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pg={Int8Array,Uint8Array,Uint8ClampedArray,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array};function mr(r,e){return new pg[r](e)}function Ta(r){return document.createElementNS("http://www.w3.org/1999/xhtml",r)}function fd(r,e=0){let t=3735928559^e,n=1103547991^e;for(let i=0,s;i>>16,2246822507)^Math.imul(n^n>>>13,3266489909),n=Math.imul(n^n>>>16,2246822507)^Math.imul(t^t>>>13,3266489909),4294967296*(2097151&n)+(t>>>0)}var gr,Kn=class{static getDataURL(e){if(/^data:/i.test(e.src)||typeof HTMLCanvasElement=="undefined")return e.src;let t;if(e instanceof HTMLCanvasElement)t=e;else{gr===void 0&&(gr=Ta("canvas")),gr.width=e.width,gr.height=e.height;let n=gr.getContext("2d");e instanceof ImageData?n.putImageData(e,0,0):n.drawImage(e,0,0,e.width,e.height),t=gr}return t.width>2048||t.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",e),t.toDataURL("image/jpeg",.6)):t.toDataURL("image/png")}},mg=0,ot=class extends 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n={metadata:{version:4.5,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,mapping:this.mapping,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};if(this.image!==void 0){let i=this.image;if(i.uuid===void 0&&(i.uuid=Wt()),!t&&e.images[i.uuid]===void 0){let s;if(Array.isArray(i)){s=[];for(let a=0,o=i.length;a1)switch(this.wrapS){case Ms:e.x=e.x-Math.floor(e.x);break;case _t:e.x=e.x<0?0:1;break;case Ss:Math.abs(Math.floor(e.x)%2)===1?e.x=Math.ceil(e.x)-e.x:e.x=e.x-Math.floor(e.x);break}if(e.y<0||e.y>1)switch(this.wrapT){case Ms:e.y=e.y-Math.floor(e.y);break;case _t:e.y=e.y<0?0:1;break;case 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this.y=e,this}setZ(e){return this.z=e,this}setW(e){return this.w=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;case 3:this.w=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=e.w!==void 0?e.w:1,this}add(e,t){return t!==void 0?(console.warn("THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this.z+=e.z,this.w+=e.w,this)}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this.w+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this.w=e.w+t.w,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this.w+=e.w*t,this}sub(e,t){return t!==void 0?(console.warn("THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this.z-=e.z,this.w-=e.w,this)}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this.w-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this.w=e.w-t.w,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this.w*=e.w,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this}applyMatrix4(e){let t=this.x,n=this.y,i=this.z,s=this.w,a=e.elements;return this.x=a[0]*t+a[4]*n+a[8]*i+a[12]*s,this.y=a[1]*t+a[5]*n+a[9]*i+a[13]*s,this.z=a[2]*t+a[6]*n+a[10]*i+a[14]*s,this.w=a[3]*t+a[7]*n+a[11]*i+a[15]*s,this}divideScalar(e){return this.multiplyScalar(1/e)}setAxisAngleFromQuaternion(e){this.w=2*Math.acos(e.w);let t=Math.sqrt(1-e.w*e.w);return t<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=e.x/t,this.y=e.y/t,this.z=e.z/t),this}setAxisAngleFromRotationMatrix(e){let t,n,i,s,a=.01,o=.1,l=e.elements,c=l[0],u=l[4],h=l[8],d=l[1],f=l[5],p=l[9],v=l[2],x=l[6],g=l[10];if(Math.abs(u-d)y&&b>E?bE?y=0?1:-1,b=1-g*g;if(b>Number.EPSILON){let E=Math.sqrt(b),_=Math.atan2(E,g*m);x=Math.sin(x*_)/E,o=Math.sin(o*_)/E}let y=o*m;if(l=l*x+d*y,c=c*x+f*y,u=u*x+p*y,h=h*x+v*y,x===1-o){let E=1/Math.sqrt(l*l+c*c+u*u+h*h);l*=E,c*=E,u*=E,h*=E}}e[t]=l,e[t+1]=c,e[t+2]=u,e[t+3]=h}static multiplyQuaternionsFlat(e,t,n,i,s,a){let o=n[i],l=n[i+1],c=n[i+2],u=n[i+3],h=s[a],d=s[a+1],f=s[a+2],p=s[a+3];return e[t]=o*p+u*h+l*f-c*d,e[t+1]=l*p+u*d+c*h-o*f,e[t+2]=c*p+u*f+o*d-l*h,e[t+3]=u*p-o*h-l*d-c*f,e}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get w(){return this._w}set w(e){this._w=e,this._onChangeCallback()}set(e,t,n,i){return this._x=e,this._y=t,this._z=n,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this}setFromEuler(e,t){if(!(e&&e.isEuler))throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");let n=e._x,i=e._y,s=e._z,a=e._order,o=Math.cos,l=Math.sin,c=o(n/2),u=o(i/2),h=o(s/2),d=l(n/2),f=l(i/2),p=l(s/2);switch(a){case"XYZ":this._x=d*u*h+c*f*p,this._y=c*f*h-d*u*p,this._z=c*u*p+d*f*h,this._w=c*u*h-d*f*p;break;case"YXZ":this._x=d*u*h+c*f*p,this._y=c*f*h-d*u*p,this._z=c*u*p-d*f*h,this._w=c*u*h+d*f*p;break;case"ZXY":this._x=d*u*h-c*f*p,this._y=c*f*h+d*u*p,this._z=c*u*p+d*f*h,this._w=c*u*h-d*f*p;break;case"ZYX":this._x=d*u*h-c*f*p,this._y=c*f*h+d*u*p,this._z=c*u*p-d*f*h,this._w=c*u*h+d*f*p;break;case"YZX":this._x=d*u*h+c*f*p,this._y=c*f*h+d*u*p,this._z=c*u*p-d*f*h,this._w=c*u*h-d*f*p;break;case"XZY":this._x=d*u*h-c*f*p,this._y=c*f*h-d*u*p,this._z=c*u*p+d*f*h,this._w=c*u*h+d*f*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return t!==!1&&this._onChangeCallback(),this}setFromAxisAngle(e,t){let n=t/2,i=Math.sin(n);return this._x=e.x*i,this._y=e.y*i,this._z=e.z*i,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(e){let t=e.elements,n=t[0],i=t[4],s=t[8],a=t[1],o=t[5],l=t[9],c=t[2],u=t[6],h=t[10],d=n+o+h;if(d>0){let f=.5/Math.sqrt(d+1);this._w=.25/f,this._x=(u-l)*f,this._y=(s-c)*f,this._z=(a-i)*f}else if(n>o&&n>h){let f=2*Math.sqrt(1+n-o-h);this._w=(u-l)/f,this._x=.25*f,this._y=(i+a)/f,this._z=(s+c)/f}else if(o>h){let f=2*Math.sqrt(1+o-n-h);this._w=(s-c)/f,this._x=(i+a)/f,this._y=.25*f,this._z=(l+u)/f}else{let f=2*Math.sqrt(1+h-n-o);this._w=(a-i)/f,this._x=(s+c)/f,this._y=(l+u)/f,this._z=.25*f}return this._onChangeCallback(),this}setFromUnitVectors(e,t){let n=e.dot(t)+1;return nMath.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=n):(this._x=0,this._y=-e.z,this._z=e.y,this._w=n)):(this._x=e.y*t.z-e.z*t.y,this._y=e.z*t.x-e.x*t.z,this._z=e.x*t.y-e.y*t.x,this._w=n),this.normalize()}angleTo(e){return 2*Math.acos(Math.abs(It(this.dot(e),-1,1)))}rotateTowards(e,t){let n=this.angleTo(e);if(n===0)return this;let i=Math.min(1,t/n);return this.slerp(e,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(e){return this._x*e._x+this._y*e._y+this._z*e._z+this._w*e._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let e=this.length();return e===0?(this._x=0,this._y=0,this._z=0,this._w=1):(e=1/e,this._x=this._x*e,this._y=this._y*e,this._z=this._z*e,this._w=this._w*e),this._onChangeCallback(),this}multiply(e,t){return t!==void 0?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),this.multiplyQuaternions(e,t)):this.multiplyQuaternions(this,e)}premultiply(e){return this.multiplyQuaternions(e,this)}multiplyQuaternions(e,t){let n=e._x,i=e._y,s=e._z,a=e._w,o=t._x,l=t._y,c=t._z,u=t._w;return this._x=n*u+a*o+i*c-s*l,this._y=i*u+a*l+s*o-n*c,this._z=s*u+a*c+n*l-i*o,this._w=a*u-n*o-i*l-s*c,this._onChangeCallback(),this}slerp(e,t){if(t===0)return this;if(t===1)return this.copy(e);let n=this._x,i=this._y,s=this._z,a=this._w,o=a*e._w+n*e._x+i*e._y+s*e._z;if(o<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,o=-o):this.copy(e),o>=1)return this._w=a,this._x=n,this._y=i,this._z=s,this;let l=1-o*o;if(l<=Number.EPSILON){let f=1-t;return this._w=f*a+t*this._w,this._x=f*n+t*this._x,this._y=f*i+t*this._y,this._z=f*s+t*this._z,this.normalize(),this._onChangeCallback(),this}let c=Math.sqrt(l),u=Math.atan2(c,o),h=Math.sin((1-t)*u)/c,d=Math.sin(t*u)/c;return this._w=a*h+this._w*d,this._x=n*h+this._x*d,this._y=i*h+this._y*d,this._z=s*h+this._z*d,this._onChangeCallback(),this}slerpQuaternions(e,t,n){this.copy(e).slerp(t,n)}random(){let e=Math.random(),t=Math.sqrt(1-e),n=Math.sqrt(e),i=2*Math.PI*Math.random(),s=2*Math.PI*Math.random();return this.set(t*Math.cos(i),n*Math.sin(s),n*Math.cos(s),t*Math.sin(i))}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._w===this._w}fromArray(e,t=0){return this._x=e[t],this._y=e[t+1],this._z=e[t+2],this._w=e[t+3],this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._w,e}fromBufferAttribute(e,t){return this._x=e.getX(t),this._y=e.getY(t),this._z=e.getZ(t),this._w=e.getW(t),this}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}};yt.prototype.isQuaternion=!0;var A=class{constructor(e=0,t=0,n=0){this.x=e,this.y=t,this.z=n}set(e,t,n){return n===void 0&&(n=this.z),this.x=e,this.y=t,this.z=n,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this}add(e,t){return t!==void 0?(console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this.z+=e.z,this)}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this}sub(e,t){return t!==void 0?(console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this.z-=e.z,this)}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this}multiply(e,t){return t!==void 0?(console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),this.multiplyVectors(e,t)):(this.x*=e.x,this.y*=e.y,this.z*=e.z,this)}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this}multiplyVectors(e,t){return this.x=e.x*t.x,this.y=e.y*t.y,this.z=e.z*t.z,this}applyEuler(e){return e&&e.isEuler||console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order."),this.applyQuaternion(pd.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(pd.setFromAxisAngle(e,t))}applyMatrix3(e){let t=this.x,n=this.y,i=this.z,s=e.elements;return this.x=s[0]*t+s[3]*n+s[6]*i,this.y=s[1]*t+s[4]*n+s[7]*i,this.z=s[2]*t+s[5]*n+s[8]*i,this}applyNormalMatrix(e){return this.applyMatrix3(e).normalize()}applyMatrix4(e){let t=this.x,n=this.y,i=this.z,s=e.elements,a=1/(s[3]*t+s[7]*n+s[11]*i+s[15]);return this.x=(s[0]*t+s[4]*n+s[8]*i+s[12])*a,this.y=(s[1]*t+s[5]*n+s[9]*i+s[13])*a,this.z=(s[2]*t+s[6]*n+s[10]*i+s[14])*a,this}applyQuaternion(e){let t=this.x,n=this.y,i=this.z,s=e.x,a=e.y,o=e.z,l=e.w,c=l*t+a*i-o*n,u=l*n+o*t-s*i,h=l*i+s*n-a*t,d=-s*t-a*n-o*i;return this.x=c*l+d*-s+u*-o-h*-a,this.y=u*l+d*-a+h*-s-c*-o,this.z=h*l+d*-o+c*-a-u*-s,this}project(e){return this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)}unproject(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)}transformDirection(e){let t=this.x,n=this.y,i=this.z,s=e.elements;return this.x=s[0]*t+s[4]*n+s[8]*i,this.y=s[1]*t+s[5]*n+s[9]*i,this.z=s[2]*t+s[6]*n+s[10]*i,this.normalize()}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this}divideScalar(e){return this.multiplyScalar(1/e)}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this}clampLength(e,t){let n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this}cross(e,t){return t!==void 0?(console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(e,t)):this.crossVectors(this,e)}crossVectors(e,t){let n=e.x,i=e.y,s=e.z,a=t.x,o=t.y,l=t.z;return this.x=i*l-s*o,this.y=s*a-n*l,this.z=n*o-i*a,this}projectOnVector(e){let t=e.lengthSq();if(t===0)return this.set(0,0,0);let n=e.dot(this)/t;return this.copy(e).multiplyScalar(n)}projectOnPlane(e){return Bl.copy(this).projectOnVector(e),this.sub(Bl)}reflect(e){return this.sub(Bl.copy(e).multiplyScalar(2*this.dot(e)))}angleTo(e){let t=Math.sqrt(this.lengthSq()*e.lengthSq());if(t===0)return Math.PI/2;let n=this.dot(e)/t;return Math.acos(It(n,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){let t=this.x-e.x,n=this.y-e.y,i=this.z-e.z;return t*t+n*n+i*i}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)+Math.abs(this.z-e.z)}setFromSpherical(e){return this.setFromSphericalCoords(e.radius,e.phi,e.theta)}setFromSphericalCoords(e,t,n){let i=Math.sin(t)*e;return this.x=i*Math.sin(n),this.y=Math.cos(t)*e,this.z=i*Math.cos(n),this}setFromCylindrical(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)}setFromCylindricalCoords(e,t,n){return this.x=e*Math.sin(t),this.y=n,this.z=e*Math.cos(t),this}setFromMatrixPosition(e){let t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this}setFromMatrixScale(e){let t=this.setFromMatrixColumn(e,0).length(),n=this.setFromMatrixColumn(e,1).length(),i=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=n,this.z=i,this}setFromMatrixColumn(e,t){return this.fromArray(e.elements,t*4)}setFromMatrix3Column(e,t){return this.fromArray(e.elements,t*3)}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e}fromBufferAttribute(e,t,n){return n!==void 0&&console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute()."),this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){let e=(Math.random()-.5)*2,t=Math.random()*Math.PI*2,n=Math.sqrt(1-Qn(e,2));return this.x=n*Math.cos(t),this.y=n*Math.sin(t),this.z=e,this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}};A.prototype.isVector3=!0;var Bl=new A,pd=new yt,Bt=class{constructor(e=new A(1/0,1/0,1/0),t=new A(-1/0,-1/0,-1/0)){this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromArray(e){let t=1/0,n=1/0,i=1/0,s=-1/0,a=-1/0,o=-1/0;for(let l=0,c=e.length;ls&&(s=u),h>a&&(a=h),d>o&&(o=d)}return this.min.set(t,n,i),this.max.set(s,a,o),this}setFromBufferAttribute(e){let t=1/0,n=1/0,i=1/0,s=-1/0,a=-1/0,o=-1/0;for(let l=0,c=e.count;ls&&(s=u),h>a&&(a=h),d>o&&(o=d)}return this.min.set(t,n,i),this.max.set(s,a,o),this}setFromPoints(e){this.makeEmpty();for(let t=0,n=e.length;tthis.max.x||e.ythis.max.y||e.zthis.max.z)}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y&&this.min.z<=e.min.z&&e.max.z<=this.max.z}getParameter(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y),(e.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(e){return!(e.max.xthis.max.x||e.max.ythis.max.y||e.max.zthis.max.z)}intersectsSphere(e){return this.clampPoint(e.center,Ps),Ps.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,n;return e.normal.x>0?(t=e.normal.x*this.min.x,n=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,n=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,n+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,n+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,n+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,n+=e.normal.z*this.min.z),t<=-e.constant&&n>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(Ls),Ca.subVectors(this.max,Ls),vr.subVectors(e.a,Ls),xr.subVectors(e.b,Ls),yr.subVectors(e.c,Ls),$n.subVectors(xr,vr),ei.subVectors(yr,xr),Hi.subVectors(vr,yr);let t=[0,-$n.z,$n.y,0,-ei.z,ei.y,0,-Hi.z,Hi.y,$n.z,0,-$n.x,ei.z,0,-ei.x,Hi.z,0,-Hi.x,-$n.y,$n.x,0,-ei.y,ei.x,0,-Hi.y,Hi.x,0];return!Fl(t,vr,xr,yr,Ca)||(t=[1,0,0,0,1,0,0,0,1],!Fl(t,vr,xr,yr,Ca))?!1:(Da.crossVectors($n,ei),t=[Da.x,Da.y,Da.z],Fl(t,vr,xr,yr,Ca))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return Ps.copy(e).clamp(this.min,this.max).sub(e).length()}getBoundingSphere(e){return this.getCenter(e.center),e.radius=this.getSize(Ps).length()*.5,e}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}applyMatrix4(e){return this.isEmpty()?this:(Bn[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),Bn[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),Bn[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),Bn[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),Bn[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),Bn[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),Bn[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),Bn[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(Bn),this)}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}};Bt.prototype.isBox3=!0;var Bn=[new A,new A,new A,new A,new A,new A,new A,new A],Ps=new A,Ul=new Bt,vr=new A,xr=new A,yr=new A,$n=new A,ei=new A,Hi=new A,Ls=new A,Ca=new A,Da=new A,zi=new A;function Fl(r,e,t,n,i){for(let s=0,a=r.length-3;s<=a;s+=3){zi.fromArray(r,s);let o=i.x*Math.abs(zi.x)+i.y*Math.abs(zi.y)+i.z*Math.abs(zi.z),l=e.dot(zi),c=t.dot(zi),u=n.dot(zi);if(Math.max(-Math.max(l,c,u),Math.min(l,c,u))>o)return!1}return!0}var gg=new Bt,md=new A,Ol=new A,Nl=new A,Un=class{constructor(e=new A,t=-1){this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){let n=this.center;t!==void 0?n.copy(t):gg.setFromPoints(e).getCenter(n);let i=0;for(let s=0,a=e.length;sthis.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t}getBoundingBox(e){return this.isEmpty()?(e.makeEmpty(),e):(e.set(this.center,this.center),e.expandByScalar(this.radius),e)}applyMatrix4(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this}translate(e){return this.center.add(e),this}expandByPoint(e){Nl.subVectors(e,this.center);let t=Nl.lengthSq();if(t>this.radius*this.radius){let n=Math.sqrt(t),i=(n-this.radius)*.5;this.center.add(Nl.multiplyScalar(i/n)),this.radius+=i}return this}union(e){return Ol.subVectors(e.center,this.center).normalize().multiplyScalar(e.radius),this.expandByPoint(md.copy(e.center).add(Ol)),this.expandByPoint(md.copy(e.center).sub(Ol)),this}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return new this.constructor().copy(this)}},Fn=new A,Hl=new A,Ra=new A,ti=new A,zl=new A,Pa=new A,Gl=new A,On=class{constructor(e=new A,t=new A(0,0,-1)){this.origin=e,this.direction=t}set(e,t){return this.origin.copy(e),this.direction.copy(t),this}copy(e){return this.origin.copy(e.origin),this.direction.copy(e.direction),this}at(e,t){return t.copy(this.direction).multiplyScalar(e).add(this.origin)}lookAt(e){return this.direction.copy(e).sub(this.origin).normalize(),this}recast(e){return this.origin.copy(this.at(e,Fn)),this}closestPointToPoint(e,t){t.subVectors(e,this.origin);let n=t.dot(this.direction);return n<0?t.copy(this.origin):t.copy(this.direction).multiplyScalar(n).add(this.origin)}distanceToPoint(e){return Math.sqrt(this.distanceSqToPoint(e))}distanceSqToPoint(e){let t=Fn.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(Fn.copy(this.direction).multiplyScalar(t).add(this.origin),Fn.distanceToSquared(e))}distanceSqToSegment(e,t,n,i){Hl.copy(e).add(t).multiplyScalar(.5),Ra.copy(t).sub(e).normalize(),ti.copy(this.origin).sub(Hl);let s=e.distanceTo(t)*.5,a=-this.direction.dot(Ra),o=ti.dot(this.direction),l=-ti.dot(Ra),c=ti.lengthSq(),u=Math.abs(1-a*a),h,d,f,p;if(u>0)if(h=a*l-o,d=a*o-l,p=s*u,h>=0)if(d>=-p)if(d<=p){let v=1/u;h*=v,d*=v,f=h*(h+a*d+2*o)+d*(a*h+d+2*l)+c}else d=s,h=Math.max(0,-(a*d+o)),f=-h*h+d*(d+2*l)+c;else d=-s,h=Math.max(0,-(a*d+o)),f=-h*h+d*(d+2*l)+c;else d<=-p?(h=Math.max(0,-(-a*s+o)),d=h>0?-s:Math.min(Math.max(-s,-l),s),f=-h*h+d*(d+2*l)+c):d<=p?(h=0,d=Math.min(Math.max(-s,-l),s),f=d*(d+2*l)+c):(h=Math.max(0,-(a*s+o)),d=h>0?s:Math.min(Math.max(-s,-l),s),f=-h*h+d*(d+2*l)+c);else d=a>0?-s:s,h=Math.max(0,-(a*d+o)),f=-h*h+d*(d+2*l)+c;return n&&n.copy(this.direction).multiplyScalar(h).add(this.origin),i&&i.copy(Ra).multiplyScalar(d).add(Hl),f}intersectSphere(e,t){Fn.subVectors(e.center,this.origin);let n=Fn.dot(this.direction),i=Fn.dot(Fn)-n*n,s=e.radius*e.radius;if(i>s)return null;let a=Math.sqrt(s-i),o=n-a,l=n+a;return o<0&&l<0?null:o<0?this.at(l,t):this.at(o,t)}intersectsSphere(e){return this.distanceSqToPoint(e.center)<=e.radius*e.radius}distanceToPlane(e){let t=e.normal.dot(this.direction);if(t===0)return e.distanceToPoint(this.origin)===0?0:null;let n=-(this.origin.dot(e.normal)+e.constant)/t;return n>=0?n:null}intersectPlane(e,t){let n=this.distanceToPlane(e);return n===null?null:this.at(n,t)}intersectsPlane(e){let t=e.distanceToPoint(this.origin);return t===0||e.normal.dot(this.direction)*t<0}intersectBox(e,t){let n,i,s,a,o,l,c=1/this.direction.x,u=1/this.direction.y,h=1/this.direction.z,d=this.origin;return c>=0?(n=(e.min.x-d.x)*c,i=(e.max.x-d.x)*c):(n=(e.max.x-d.x)*c,i=(e.min.x-d.x)*c),u>=0?(s=(e.min.y-d.y)*u,a=(e.max.y-d.y)*u):(s=(e.max.y-d.y)*u,a=(e.min.y-d.y)*u),n>a||s>i||((s>n||n!==n)&&(n=s),(a=0?(o=(e.min.z-d.z)*h,l=(e.max.z-d.z)*h):(o=(e.max.z-d.z)*h,l=(e.min.z-d.z)*h),n>l||o>i)||((o>n||n!==n)&&(n=o),(l=0?n:i,t)}intersectsBox(e){return this.intersectBox(e,Fn)!==null}intersectTriangle(e,t,n,i,s){zl.subVectors(t,e),Pa.subVectors(n,e),Gl.crossVectors(zl,Pa);let a=this.direction.dot(Gl),o;if(a>0){if(i)return null;o=1}else if(a<0)o=-1,a=-a;else return null;ti.subVectors(this.origin,e);let l=o*this.direction.dot(Pa.crossVectors(ti,Pa));if(l<0)return null;let c=o*this.direction.dot(zl.cross(ti));if(c<0||l+c>a)return null;let u=-o*ti.dot(Gl);return u<0?null:this.at(u/a,s)}applyMatrix4(e){return this.origin.applyMatrix4(e),this.direction.transformDirection(e),this}equals(e){return e.origin.equals(this.origin)&&e.direction.equals(this.direction)}clone(){return new this.constructor().copy(this)}},ge=class{constructor(){this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],arguments.length>0&&console.error("THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.")}set(e,t,n,i,s,a,o,l,c,u,h,d,f,p,v,x){let g=this.elements;return g[0]=e,g[4]=t,g[8]=n,g[12]=i,g[1]=s,g[5]=a,g[9]=o,g[13]=l,g[2]=c,g[6]=u,g[10]=h,g[14]=d,g[3]=f,g[7]=p,g[11]=v,g[15]=x,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return new ge().fromArray(this.elements)}copy(e){let t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],t[9]=n[9],t[10]=n[10],t[11]=n[11],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15],this}copyPosition(e){let t=this.elements,n=e.elements;return t[12]=n[12],t[13]=n[13],t[14]=n[14],this}setFromMatrix3(e){let t=e.elements;return this.set(t[0],t[3],t[6],0,t[1],t[4],t[7],0,t[2],t[5],t[8],0,0,0,0,1),this}extractBasis(e,t,n){return e.setFromMatrixColumn(this,0),t.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}makeBasis(e,t,n){return this.set(e.x,t.x,n.x,0,e.y,t.y,n.y,0,e.z,t.z,n.z,0,0,0,0,1),this}extractRotation(e){let t=this.elements,n=e.elements,i=1/wr.setFromMatrixColumn(e,0).length(),s=1/wr.setFromMatrixColumn(e,1).length(),a=1/wr.setFromMatrixColumn(e,2).length();return t[0]=n[0]*i,t[1]=n[1]*i,t[2]=n[2]*i,t[3]=0,t[4]=n[4]*s,t[5]=n[5]*s,t[6]=n[6]*s,t[7]=0,t[8]=n[8]*a,t[9]=n[9]*a,t[10]=n[10]*a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromEuler(e){e&&e.isEuler||console.error("THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");let t=this.elements,n=e.x,i=e.y,s=e.z,a=Math.cos(n),o=Math.sin(n),l=Math.cos(i),c=Math.sin(i),u=Math.cos(s),h=Math.sin(s);if(e.order==="XYZ"){let d=a*u,f=a*h,p=o*u,v=o*h;t[0]=l*u,t[4]=-l*h,t[8]=c,t[1]=f+p*c,t[5]=d-v*c,t[9]=-o*l,t[2]=v-d*c,t[6]=p+f*c,t[10]=a*l}else if(e.order==="YXZ"){let d=l*u,f=l*h,p=c*u,v=c*h;t[0]=d+v*o,t[4]=p*o-f,t[8]=a*c,t[1]=a*h,t[5]=a*u,t[9]=-o,t[2]=f*o-p,t[6]=v+d*o,t[10]=a*l}else if(e.order==="ZXY"){let d=l*u,f=l*h,p=c*u,v=c*h;t[0]=d-v*o,t[4]=-a*h,t[8]=p+f*o,t[1]=f+p*o,t[5]=a*u,t[9]=v-d*o,t[2]=-a*c,t[6]=o,t[10]=a*l}else if(e.order==="ZYX"){let d=a*u,f=a*h,p=o*u,v=o*h;t[0]=l*u,t[4]=p*c-f,t[8]=d*c+v,t[1]=l*h,t[5]=v*c+d,t[9]=f*c-p,t[2]=-c,t[6]=o*l,t[10]=a*l}else if(e.order==="YZX"){let d=a*l,f=a*c,p=o*l,v=o*c;t[0]=l*u,t[4]=v-d*h,t[8]=p*h+f,t[1]=h,t[5]=a*u,t[9]=-o*u,t[2]=-c*u,t[6]=f*h+p,t[10]=d-v*h}else if(e.order==="XZY"){let d=a*l,f=a*c,p=o*l,v=o*c;t[0]=l*u,t[4]=-h,t[8]=c*u,t[1]=d*h+v,t[5]=a*u,t[9]=f*h-p,t[2]=p*h-f,t[6]=o*u,t[10]=v*h+d}return t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromQuaternion(e){return this.compose(vg,e,xg)}lookAt(e,t,n){let i=this.elements;return Yt.subVectors(e,t),Yt.lengthSq()===0&&(Yt.z=1),Yt.normalize(),ni.crossVectors(n,Yt),ni.lengthSq()===0&&(Math.abs(n.z)===1?Yt.x+=1e-4:Yt.z+=1e-4,Yt.normalize(),ni.crossVectors(n,Yt)),ni.normalize(),La.crossVectors(Yt,ni),i[0]=ni.x,i[4]=La.x,i[8]=Yt.x,i[1]=ni.y,i[5]=La.y,i[9]=Yt.y,i[2]=ni.z,i[6]=La.z,i[10]=Yt.z,this}multiply(e,t){return t!==void 0?(console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),this.multiplyMatrices(e,t)):this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){let n=e.elements,i=t.elements,s=this.elements,a=n[0],o=n[4],l=n[8],c=n[12],u=n[1],h=n[5],d=n[9],f=n[13],p=n[2],v=n[6],x=n[10],g=n[14],m=n[3],b=n[7],y=n[11],E=n[15],_=i[0],w=i[4],D=i[8],I=i[12],L=i[1],R=i[5],Z=i[9],F=i[13],U=i[2],z=i[6],N=i[10],G=i[14],ne=i[3],fe=i[7],Y=i[11],j=i[15];return s[0]=a*_+o*L+l*U+c*ne,s[4]=a*w+o*R+l*z+c*fe,s[8]=a*D+o*Z+l*N+c*Y,s[12]=a*I+o*F+l*G+c*j,s[1]=u*_+h*L+d*U+f*ne,s[5]=u*w+h*R+d*z+f*fe,s[9]=u*D+h*Z+d*N+f*Y,s[13]=u*I+h*F+d*G+f*j,s[2]=p*_+v*L+x*U+g*ne,s[6]=p*w+v*R+x*z+g*fe,s[10]=p*D+v*Z+x*N+g*Y,s[14]=p*I+v*F+x*G+g*j,s[3]=m*_+b*L+y*U+E*ne,s[7]=m*w+b*R+y*z+E*fe,s[11]=m*D+b*Z+y*N+E*Y,s[15]=m*I+b*F+y*G+E*j,this}multiplyScalar(e){let t=this.elements;return t[0]*=e,t[4]*=e,t[8]*=e,t[12]*=e,t[1]*=e,t[5]*=e,t[9]*=e,t[13]*=e,t[2]*=e,t[6]*=e,t[10]*=e,t[14]*=e,t[3]*=e,t[7]*=e,t[11]*=e,t[15]*=e,this}determinant(){let e=this.elements,t=e[0],n=e[4],i=e[8],s=e[12],a=e[1],o=e[5],l=e[9],c=e[13],u=e[2],h=e[6],d=e[10],f=e[14],p=e[3],v=e[7],x=e[11],g=e[15];return p*(+s*l*h-i*c*h-s*o*d+n*c*d+i*o*f-n*l*f)+v*(+t*l*f-t*c*d+s*a*d-i*a*f+i*c*u-s*l*u)+x*(+t*c*h-t*o*f-s*a*h+n*a*f+s*o*u-n*c*u)+g*(-i*o*u-t*l*h+t*o*d+i*a*h-n*a*d+n*l*u)}transpose(){let e=this.elements,t;return t=e[1],e[1]=e[4],e[4]=t,t=e[2],e[2]=e[8],e[8]=t,t=e[6],e[6]=e[9],e[9]=t,t=e[3],e[3]=e[12],e[12]=t,t=e[7],e[7]=e[13],e[13]=t,t=e[11],e[11]=e[14],e[14]=t,this}setPosition(e,t,n){let i=this.elements;return e.isVector3?(i[12]=e.x,i[13]=e.y,i[14]=e.z):(i[12]=e,i[13]=t,i[14]=n),this}invert(){let e=this.elements,t=e[0],n=e[1],i=e[2],s=e[3],a=e[4],o=e[5],l=e[6],c=e[7],u=e[8],h=e[9],d=e[10],f=e[11],p=e[12],v=e[13],x=e[14],g=e[15],m=h*x*c-v*d*c+v*l*f-o*x*f-h*l*g+o*d*g,b=p*d*c-u*x*c-p*l*f+a*x*f+u*l*g-a*d*g,y=u*v*c-p*h*c+p*o*f-a*v*f-u*o*g+a*h*g,E=p*h*l-u*v*l-p*o*d+a*v*d+u*o*x-a*h*x,_=t*m+n*b+i*y+s*E;if(_===0)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);let w=1/_;return e[0]=m*w,e[1]=(v*d*s-h*x*s-v*i*f+n*x*f+h*i*g-n*d*g)*w,e[2]=(o*x*s-v*l*s+v*i*c-n*x*c-o*i*g+n*l*g)*w,e[3]=(h*l*s-o*d*s-h*i*c+n*d*c+o*i*f-n*l*f)*w,e[4]=b*w,e[5]=(u*x*s-p*d*s+p*i*f-t*x*f-u*i*g+t*d*g)*w,e[6]=(p*l*s-a*x*s-p*i*c+t*x*c+a*i*g-t*l*g)*w,e[7]=(a*d*s-u*l*s+u*i*c-t*d*c-a*i*f+t*l*f)*w,e[8]=y*w,e[9]=(p*h*s-u*v*s-p*n*f+t*v*f+u*n*g-t*h*g)*w,e[10]=(a*v*s-p*o*s+p*n*c-t*v*c-a*n*g+t*o*g)*w,e[11]=(u*o*s-a*h*s-u*n*c+t*h*c+a*n*f-t*o*f)*w,e[12]=E*w,e[13]=(u*v*i-p*h*i+p*n*d-t*v*d-u*n*x+t*h*x)*w,e[14]=(p*o*i-a*v*i-p*n*l+t*v*l+a*n*x-t*o*x)*w,e[15]=(a*h*i-u*o*i+u*n*l-t*h*l-a*n*d+t*o*d)*w,this}scale(e){let t=this.elements,n=e.x,i=e.y,s=e.z;return t[0]*=n,t[4]*=i,t[8]*=s,t[1]*=n,t[5]*=i,t[9]*=s,t[2]*=n,t[6]*=i,t[10]*=s,t[3]*=n,t[7]*=i,t[11]*=s,this}getMaxScaleOnAxis(){let e=this.elements,t=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],n=e[4]*e[4]+e[5]*e[5]+e[6]*e[6],i=e[8]*e[8]+e[9]*e[9]+e[10]*e[10];return Math.sqrt(Math.max(t,n,i))}makeTranslation(e,t,n){return this.set(1,0,0,e,0,1,0,t,0,0,1,n,0,0,0,1),this}makeRotationX(e){let t=Math.cos(e),n=Math.sin(e);return this.set(1,0,0,0,0,t,-n,0,0,n,t,0,0,0,0,1),this}makeRotationY(e){let t=Math.cos(e),n=Math.sin(e);return this.set(t,0,n,0,0,1,0,0,-n,0,t,0,0,0,0,1),this}makeRotationZ(e){let t=Math.cos(e),n=Math.sin(e);return this.set(t,-n,0,0,n,t,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(e,t){let n=Math.cos(t),i=Math.sin(t),s=1-n,a=e.x,o=e.y,l=e.z,c=s*a,u=s*o;return this.set(c*a+n,c*o-i*l,c*l+i*o,0,c*o+i*l,u*o+n,u*l-i*a,0,c*l-i*o,u*l+i*a,s*l*l+n,0,0,0,0,1),this}makeScale(e,t,n){return this.set(e,0,0,0,0,t,0,0,0,0,n,0,0,0,0,1),this}makeShear(e,t,n,i,s,a){return this.set(1,n,s,0,e,1,a,0,t,i,1,0,0,0,0,1),this}compose(e,t,n){let i=this.elements,s=t._x,a=t._y,o=t._z,l=t._w,c=s+s,u=a+a,h=o+o,d=s*c,f=s*u,p=s*h,v=a*u,x=a*h,g=o*h,m=l*c,b=l*u,y=l*h,E=n.x,_=n.y,w=n.z;return i[0]=(1-(v+g))*E,i[1]=(f+y)*E,i[2]=(p-b)*E,i[3]=0,i[4]=(f-y)*_,i[5]=(1-(d+g))*_,i[6]=(x+m)*_,i[7]=0,i[8]=(p+b)*w,i[9]=(x-m)*w,i[10]=(1-(d+v))*w,i[11]=0,i[12]=e.x,i[13]=e.y,i[14]=e.z,i[15]=1,this}decompose(e,t,n){let i=this.elements,s=wr.set(i[0],i[1],i[2]).length(),a=wr.set(i[4],i[5],i[6]).length(),o=wr.set(i[8],i[9],i[10]).length();this.determinant()<0&&(s=-s),e.x=i[12],e.y=i[13],e.z=i[14],un.copy(this);let c=1/s,u=1/a,h=1/o;return un.elements[0]*=c,un.elements[1]*=c,un.elements[2]*=c,un.elements[4]*=u,un.elements[5]*=u,un.elements[6]*=u,un.elements[8]*=h,un.elements[9]*=h,un.elements[10]*=h,t.setFromRotationMatrix(un),n.x=s,n.y=a,n.z=o,this}makePerspective(e,t,n,i,s,a){a===void 0&&console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");let o=this.elements,l=2*s/(t-e),c=2*s/(n-i),u=(t+e)/(t-e),h=(n+i)/(n-i),d=-(a+s)/(a-s),f=-2*a*s/(a-s);return o[0]=l,o[4]=0,o[8]=u,o[12]=0,o[1]=0,o[5]=c,o[9]=h,o[13]=0,o[2]=0,o[6]=0,o[10]=d,o[14]=f,o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this}makeOrthographic(e,t,n,i,s,a){let o=this.elements,l=1/(t-e),c=1/(n-i),u=1/(a-s),h=(t+e)*l,d=(n+i)*c,f=(a+s)*u;return o[0]=2*l,o[4]=0,o[8]=0,o[12]=-h,o[1]=0,o[5]=2*c,o[9]=0,o[13]=-d,o[2]=0,o[6]=0,o[10]=-2*u,o[14]=-f,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this}equals(e){let t=this.elements,n=e.elements;for(let i=0;i<16;i++)if(t[i]!==n[i])return!1;return!0}fromArray(e,t=0){for(let n=0;n<16;n++)this.elements[n]=e[n+t];return this}toArray(e=[],t=0){let n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e[t+9]=n[9],e[t+10]=n[10],e[t+11]=n[11],e[t+12]=n[12],e[t+13]=n[13],e[t+14]=n[14],e[t+15]=n[15],e}};ge.prototype.isMatrix4=!0;var wr=new A,un=new ge,vg=new A(0,0,0),xg=new A(1,1,1),ni=new A,La=new A,Yt=new A,gd=new ge,vd=new yt,ii=class{constructor(e=0,t=0,n=0,i=ii.DefaultOrder){this._x=e,this._y=t,this._z=n,this._order=i}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get order(){return this._order}set order(e){this._order=e,this._onChangeCallback()}set(e,t,n,i=this._order){return this._x=e,this._y=t,this._z=n,this._order=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(e){return this._x=e._x,this._y=e._y,this._z=e._z,this._order=e._order,this._onChangeCallback(),this}setFromRotationMatrix(e,t=this._order,n=!0){let i=e.elements,s=i[0],a=i[4],o=i[8],l=i[1],c=i[5],u=i[9],h=i[2],d=i[6],f=i[10];switch(t){case"XYZ":this._y=Math.asin(It(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-u,f),this._z=Math.atan2(-a,s)):(this._x=Math.atan2(d,c),this._z=0);break;case"YXZ":this._x=Math.asin(-It(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(o,f),this._z=Math.atan2(l,c)):(this._y=Math.atan2(-h,s),this._z=0);break;case"ZXY":this._x=Math.asin(It(d,-1,1)),Math.abs(d)<.9999999?(this._y=Math.atan2(-h,f),this._z=Math.atan2(-a,c)):(this._y=0,this._z=Math.atan2(l,s));break;case"ZYX":this._y=Math.asin(-It(h,-1,1)),Math.abs(h)<.9999999?(this._x=Math.atan2(d,f),this._z=Math.atan2(l,s)):(this._x=0,this._z=Math.atan2(-a,c));break;case"YZX":this._z=Math.asin(It(l,-1,1)),Math.abs(l)<.9999999?(this._x=Math.atan2(-u,c),this._y=Math.atan2(-h,s)):(this._x=0,this._y=Math.atan2(o,f));break;case"XZY":this._z=Math.asin(-It(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(d,c),this._y=Math.atan2(o,s)):(this._x=Math.atan2(-u,f),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+t)}return this._order=t,n===!0&&this._onChangeCallback(),this}setFromQuaternion(e,t,n){return gd.makeRotationFromQuaternion(e),this.setFromRotationMatrix(gd,t,n)}setFromVector3(e,t=this._order){return this.set(e.x,e.y,e.z,t)}reorder(e){return vd.setFromEuler(this),this.setFromQuaternion(vd,e)}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._order===this._order}fromArray(e){return this._x=e[0],this._y=e[1],this._z=e[2],e[3]!==void 0&&(this._order=e[3]),this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._order,e}toVector3(e){return e?e.set(this._x,this._y,this._z):new A(this._x,this._y,this._z)}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}};ii.prototype.isEuler=!0;ii.DefaultOrder="XYZ";ii.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"];var Ia=class{constructor(){this.mask=1|0}set(e){this.mask=(1<>>0}enable(e){this.mask|=1<1){for(let t=0;t1){for(let n=0;n0){i.children=[];for(let o=0;o0){i.animations=[];for(let o=0;o0&&(n.geometries=o),l.length>0&&(n.materials=l),c.length>0&&(n.textures=c),u.length>0&&(n.images=u),h.length>0&&(n.shapes=h),d.length>0&&(n.skeletons=d),f.length>0&&(n.animations=f)}return n.object=i,n;function a(o){let l=[];for(let c in o){let u=o[c];delete u.metadata,l.push(u)}return l}}clone(e){return new this.constructor().copy(this,e)}copy(e,t=!0){if(this.name=e.name,this.up.copy(e.up),this.position.copy(e.position),this.rotation.order=e.rotation.order,this.quaternion.copy(e.quaternion),this.scale.copy(e.scale),this.matrix.copy(e.matrix),this.matrixWorld.copy(e.matrixWorld),this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrixWorldNeedsUpdate=e.matrixWorldNeedsUpdate,this.layers.mask=e.layers.mask,this.visible=e.visible,this.castShadow=e.castShadow,this.receiveShadow=e.receiveShadow,this.frustumCulled=e.frustumCulled,this.renderOrder=e.renderOrder,this.userData=JSON.parse(JSON.stringify(e.userData)),t===!0)for(let n=0;n0?i.multiplyScalar(1/Math.sqrt(s)):i.set(0,0,0)}static getBarycoord(e,t,n,i,s){hn.subVectors(i,t),Hn.subVectors(n,t),kl.subVectors(e,t);let a=hn.dot(hn),o=hn.dot(Hn),l=hn.dot(kl),c=Hn.dot(Hn),u=Hn.dot(kl),h=a*c-o*o;if(h===0)return s.set(-2,-1,-1);let d=1/h,f=(c*l-o*u)*d,p=(a*u-o*l)*d;return s.set(1-f-p,p,f)}static containsPoint(e,t,n,i){return this.getBarycoord(e,t,n,i,zn),zn.x>=0&&zn.y>=0&&zn.x+zn.y<=1}static getUV(e,t,n,i,s,a,o,l){return this.getBarycoord(e,t,n,i,zn),l.set(0,0),l.addScaledVector(s,zn.x),l.addScaledVector(a,zn.y),l.addScaledVector(o,zn.z),l}static isFrontFacing(e,t,n,i){return hn.subVectors(n,t),Hn.subVectors(e,t),hn.cross(Hn).dot(i)<0}set(e,t,n){return this.a.copy(e),this.b.copy(t),this.c.copy(n),this}setFromPointsAndIndices(e,t,n,i){return this.a.copy(e[t]),this.b.copy(e[n]),this.c.copy(e[i]),this}setFromAttributeAndIndices(e,t,n,i){return this.a.fromBufferAttribute(e,t),this.b.fromBufferAttribute(e,n),this.c.fromBufferAttribute(e,i),this}clone(){return new this.constructor().copy(this)}copy(e){return this.a.copy(e.a),this.b.copy(e.b),this.c.copy(e.c),this}getArea(){return hn.subVectors(this.c,this.b),Hn.subVectors(this.a,this.b),hn.cross(Hn).length()*.5}getMidpoint(e){return e.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(e){return pt.getNormal(this.a,this.b,this.c,e)}getPlane(e){return e.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(e,t){return pt.getBarycoord(e,this.a,this.b,this.c,t)}getUV(e,t,n,i,s){return pt.getUV(e,this.a,this.b,this.c,t,n,i,s)}containsPoint(e){return pt.containsPoint(e,this.a,this.b,this.c)}isFrontFacing(e){return pt.isFrontFacing(this.a,this.b,this.c,e)}intersectsBox(e){return e.intersectsTriangle(this)}closestPointToPoint(e,t){let n=this.a,i=this.b,s=this.c,a,o;Ar.subVectors(i,n),Er.subVectors(s,n),Vl.subVectors(e,n);let l=Ar.dot(Vl),c=Er.dot(Vl);if(l<=0&&c<=0)return t.copy(n);Wl.subVectors(e,i);let u=Ar.dot(Wl),h=Er.dot(Wl);if(u>=0&&h<=u)return t.copy(i);let d=l*h-u*c;if(d<=0&&l>=0&&u<=0)return a=l/(l-u),t.copy(n).addScaledVector(Ar,a);Yl.subVectors(e,s);let f=Ar.dot(Yl),p=Er.dot(Yl);if(p>=0&&f<=p)return t.copy(s);let v=f*c-l*p;if(v<=0&&c>=0&&p<=0)return o=c/(c-p),t.copy(n).addScaledVector(Er,o);let x=u*p-f*h;if(x<=0&&h-u>=0&&f-p>=0)return Ed.subVectors(s,i),o=(h-u)/(h-u+(f-p)),t.copy(i).addScaledVector(Ed,o);let g=1/(x+v+d);return a=v*g,o=d*g,t.copy(n).addScaledVector(Ar,a).addScaledVector(Er,o)}equals(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}},Eg=0,tt=class extends Pt{constructor(){super();Object.defineProperty(this,"id",{value:Eg++}),this.uuid=Wt(),this.name="",this.type="Material",this.fog=!0,this.blending=hr,this.side=Rn,this.vertexColors=!1,this.opacity=1,this.format=Tt,this.transparent=!1,this.blendSrc=dl,this.blendDst=fl,this.blendEquation=Ci,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.depthFunc=va,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=cd,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=Sa,this.stencilZFail=Sa,this.stencilZPass=Sa,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0,this._alphaTest=0}get alphaTest(){return this._alphaTest}set alphaTest(e){this._alphaTest>0!=e>0&&this.version++,this._alphaTest=e}onBuild(){}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(e){if(e!==void 0)for(let t in e){let n=e[t];if(n===void 0){console.warn("THREE.Material: '"+t+"' parameter is undefined.");continue}if(t==="shading"){console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=n===ol;continue}let i=this[t];if(i===void 0){console.warn("THREE."+this.type+": '"+t+"' is not a property of this material.");continue}i&&i.isColor?i.set(n):i&&i.isVector3&&n&&n.isVector3?i.copy(n):this[t]=n}}toJSON(e){let t=e===void 0||typeof e=="string";t&&(e={textures:{},images:{}});let n={metadata:{version:4.5,type:"Material",generator:"Material.toJSON"}};n.uuid=this.uuid,n.type=this.type,this.name!==""&&(n.name=this.name),this.color&&this.color.isColor&&(n.color=this.color.getHex()),this.roughness!==void 0&&(n.roughness=this.roughness),this.metalness!==void 0&&(n.metalness=this.metalness),this.sheen!==void 0&&(n.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(n.sheenColor=this.sheenColor.getHex()),this.sheenRoughness!==void 0&&(n.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(n.emissive=this.emissive.getHex()),this.emissiveIntensity&&this.emissiveIntensity!==1&&(n.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(n.specular=this.specular.getHex()),this.specularIntensity!==void 0&&(n.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(n.specularColor=this.specularColor.getHex()),this.shininess!==void 0&&(n.shininess=this.shininess),this.clearcoat!==void 0&&(n.clearcoat=this.clearcoat),this.clearcoatRoughness!==void 0&&(n.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(n.clearcoatMap=this.clearcoatMap.toJSON(e).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(e).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(e).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(e).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(e).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(e).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(e).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(e).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(e).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(e).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(e).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(e).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(e).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(e).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(e).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(n.specularIntensityMap=this.specularIntensityMap.toJSON(e).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(n.specularColorMap=this.specularColorMap.toJSON(e).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(e).uuid,this.combine!==void 0&&(n.combine=this.combine)),this.envMapIntensity!==void 0&&(n.envMapIntensity=this.envMapIntensity),this.reflectivity!==void 0&&(n.reflectivity=this.reflectivity),this.refractionRatio!==void 0&&(n.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(e).uuid),this.transmission!==void 0&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(e).uuid),this.thickness!==void 0&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(e).uuid),this.attenuationDistance!==void 0&&(n.attenuationDistance=this.attenuationDistance),this.attenuationColor!==void 0&&(n.attenuationColor=this.attenuationColor.getHex()),this.size!==void 0&&(n.size=this.size),this.shadowSide!==null&&(n.shadowSide=this.shadowSide),this.sizeAttenuation!==void 0&&(n.sizeAttenuation=this.sizeAttenuation),this.blending!==hr&&(n.blending=this.blending),this.side!==Rn&&(n.side=this.side),this.vertexColors&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),this.format!==Tt&&(n.format=this.format),this.transparent===!0&&(n.transparent=this.transparent),n.depthFunc=this.depthFunc,n.depthTest=this.depthTest,n.depthWrite=this.depthWrite,n.colorWrite=this.colorWrite,n.stencilWrite=this.stencilWrite,n.stencilWriteMask=this.stencilWriteMask,n.stencilFunc=this.stencilFunc,n.stencilRef=this.stencilRef,n.stencilFuncMask=this.stencilFuncMask,n.stencilFail=this.stencilFail,n.stencilZFail=this.stencilZFail,n.stencilZPass=this.stencilZPass,this.rotation&&this.rotation!==0&&(n.rotation=this.rotation),this.polygonOffset===!0&&(n.polygonOffset=!0),this.polygonOffsetFactor!==0&&(n.polygonOffsetFactor=this.polygonOffsetFactor),this.polygonOffsetUnits!==0&&(n.polygonOffsetUnits=this.polygonOffsetUnits),this.linewidth&&this.linewidth!==1&&(n.linewidth=this.linewidth),this.dashSize!==void 0&&(n.dashSize=this.dashSize),this.gapSize!==void 0&&(n.gapSize=this.gapSize),this.scale!==void 0&&(n.scale=this.scale),this.dithering===!0&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),this.alphaToCoverage===!0&&(n.alphaToCoverage=this.alphaToCoverage),this.premultipliedAlpha===!0&&(n.premultipliedAlpha=this.premultipliedAlpha),this.wireframe===!0&&(n.wireframe=this.wireframe),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),this.wireframeLinecap!=="round"&&(n.wireframeLinecap=this.wireframeLinecap),this.wireframeLinejoin!=="round"&&(n.wireframeLinejoin=this.wireframeLinejoin),this.flatShading===!0&&(n.flatShading=this.flatShading),this.visible===!1&&(n.visible=!1),this.toneMapped===!1&&(n.toneMapped=!1),JSON.stringify(this.userData)!=="{}"&&(n.userData=this.userData);function i(s){let a=[];for(let o in s){let l=s[o];delete l.metadata,a.push(l)}return a}if(t){let s=i(e.textures),a=i(e.images);s.length>0&&(n.textures=s),a.length>0&&(n.images=a)}return n}clone(){return new this.constructor().copy(this)}copy(e){this.name=e.name,this.fog=e.fog,this.blending=e.blending,this.side=e.side,this.vertexColors=e.vertexColors,this.opacity=e.opacity,this.format=e.format,this.transparent=e.transparent,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.depthFunc=e.depthFunc,this.depthTest=e.depthTest,this.depthWrite=e.depthWrite,this.stencilWriteMask=e.stencilWriteMask,this.stencilFunc=e.stencilFunc,this.stencilRef=e.stencilRef,this.stencilFuncMask=e.stencilFuncMask,this.stencilFail=e.stencilFail,this.stencilZFail=e.stencilZFail,this.stencilZPass=e.stencilZPass,this.stencilWrite=e.stencilWrite;let t=e.clippingPlanes,n=null;if(t!==null){let i=t.length;n=new Array(i);for(let s=0;s!==i;++s)n[s]=t[s].clone()}return this.clippingPlanes=n,this.clipIntersection=e.clipIntersection,this.clipShadows=e.clipShadows,this.shadowSide=e.shadowSide,this.colorWrite=e.colorWrite,this.precision=e.precision,this.polygonOffset=e.polygonOffset,this.polygonOffsetFactor=e.polygonOffsetFactor,this.polygonOffsetUnits=e.polygonOffsetUnits,this.dithering=e.dithering,this.alphaTest=e.alphaTest,this.alphaToCoverage=e.alphaToCoverage,this.premultipliedAlpha=e.premultipliedAlpha,this.visible=e.visible,this.toneMapped=e.toneMapped,this.userData=JSON.parse(JSON.stringify(e.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(e){e===!0&&this.version++}};tt.prototype.isMaterial=!0;var Md={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},dn={h:0,s:0,l:0},Ua={h:0,s:0,l:0};function jl(r,e,t){return t<0&&(t+=1),t>1&&(t-=1),t<1/6?r+(e-r)*6*t:t<1/2?e:t<2/3?r+(e-r)*6*(2/3-t):r}function Xl(r){return r<.04045?r*.0773993808:Math.pow(r*.9478672986+.0521327014,2.4)}function Ql(r){return r<.0031308?r*12.92:1.055*Math.pow(r,.41666)-.055}var $=class{constructor(e,t,n){return t===void 0&&n===void 0?this.set(e):this.setRGB(e,t,n)}set(e){return e&&e.isColor?this.copy(e):typeof e=="number"?this.setHex(e):typeof e=="string"&&this.setStyle(e),this}setScalar(e){return this.r=e,this.g=e,this.b=e,this}setHex(e){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(e&255)/255,this}setRGB(e,t,n){return this.r=e,this.g=t,this.b=n,this}setHSL(e,t,n){if(e=Rl(e,1),t=It(t,0,1),n=It(n,0,1),t===0)this.r=this.g=this.b=n;else{let i=n<=.5?n*(1+t):n+t-n*t,s=2*n-i;this.r=jl(s,i,e+1/3),this.g=jl(s,i,e),this.b=jl(s,i,e-1/3)}return this}setStyle(e){function t(i){i!==void 0&&parseFloat(i)<1&&console.warn("THREE.Color: Alpha component of "+e+" will be ignored.")}let n;if(n=/^((?:rgb|hsl)a?)\(([^\)]*)\)/.exec(e)){let i,s=n[1],a=n[2];switch(s){case"rgb":case"rgba":if(i=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return this.r=Math.min(255,parseInt(i[1],10))/255,this.g=Math.min(255,parseInt(i[2],10))/255,this.b=Math.min(255,parseInt(i[3],10))/255,t(i[4]),this;if(i=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return this.r=Math.min(100,parseInt(i[1],10))/100,this.g=Math.min(100,parseInt(i[2],10))/100,this.b=Math.min(100,parseInt(i[3],10))/100,t(i[4]),this;break;case"hsl":case"hsla":if(i=/^\s*(\d*\.?\d+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a)){let o=parseFloat(i[1])/360,l=parseInt(i[2],10)/100,c=parseInt(i[3],10)/100;return t(i[4]),this.setHSL(o,l,c)}break}}else if(n=/^\#([A-Fa-f\d]+)$/.exec(e)){let i=n[1],s=i.length;if(s===3)return this.r=parseInt(i.charAt(0)+i.charAt(0),16)/255,this.g=parseInt(i.charAt(1)+i.charAt(1),16)/255,this.b=parseInt(i.charAt(2)+i.charAt(2),16)/255,this;if(s===6)return this.r=parseInt(i.charAt(0)+i.charAt(1),16)/255,this.g=parseInt(i.charAt(2)+i.charAt(3),16)/255,this.b=parseInt(i.charAt(4)+i.charAt(5),16)/255,this}return e&&e.length>0?this.setColorName(e):this}setColorName(e){let t=Md[e.toLowerCase()];return t!==void 0?this.setHex(t):console.warn("THREE.Color: Unknown color "+e),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(e){return this.r=e.r,this.g=e.g,this.b=e.b,this}copyGammaToLinear(e,t=2){return this.r=Math.pow(e.r,t),this.g=Math.pow(e.g,t),this.b=Math.pow(e.b,t),this}copyLinearToGamma(e,t=2){let n=t>0?1/t:1;return this.r=Math.pow(e.r,n),this.g=Math.pow(e.g,n),this.b=Math.pow(e.b,n),this}convertGammaToLinear(e){return this.copyGammaToLinear(this,e),this}convertLinearToGamma(e){return this.copyLinearToGamma(this,e),this}copySRGBToLinear(e){return this.r=Xl(e.r),this.g=Xl(e.g),this.b=Xl(e.b),this}copyLinearToSRGB(e){return this.r=Ql(e.r),this.g=Ql(e.g),this.b=Ql(e.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(){return this.r*255<<16^this.g*255<<8^this.b*255<<0}getHexString(){return("000000"+this.getHex().toString(16)).slice(-6)}getHSL(e){let t=this.r,n=this.g,i=this.b,s=Math.max(t,n,i),a=Math.min(t,n,i),o,l,c=(a+s)/2;if(a===s)o=0,l=0;else{let u=s-a;switch(l=c<=.5?u/(s+a):u/(2-s-a),s){case t:o=(n-i)/u+(n65535?Us:Bs)(e,1):this.index=e,this}getAttribute(e){return this.attributes[e]}setAttribute(e,t){return this.attributes[e]=t,this}deleteAttribute(e){return delete this.attributes[e],this}hasAttribute(e){return this.attributes[e]!==void 0}addGroup(e,t,n=0){this.groups.push({start:e,count:t,materialIndex:n})}clearGroups(){this.groups=[]}setDrawRange(e,t){this.drawRange.start=e,this.drawRange.count=t}applyMatrix4(e){let 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this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this.w+=e.w*t,this}sub(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this.w-=e.w,this}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this.w-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this.w=e.w-t.w,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this.w*=e.w,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this}applyMatrix4(e){let t=this.x,i=this.y,n=this.z,s=this.w,a=e.elements;return this.x=a[0]*t+a[4]*i+a[8]*n+a[12]*s,this.y=a[1]*t+a[5]*i+a[9]*n+a[13]*s,this.z=a[2]*t+a[6]*i+a[10]*n+a[14]*s,this.w=a[3]*t+a[7]*i+a[11]*n+a[15]*s,this}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this.w/=e.w,this}divideScalar(e){return this.multiplyScalar(1/e)}setAxisAngleFromQuaternion(e){this.w=2*Math.acos(e.w);let t=Math.sqrt(1-e.w*e.w);return t<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=e.x/t,this.y=e.y/t,this.z=e.z/t),this}setAxisAngleFromRotationMatrix(e){let t,i,n,s,a=.01,o=.1,l=e.elements,c=l[0],h=l[4],u=l[8],d=l[1],f=l[5],m=l[9],v=l[2],g=l[6],p=l[10];if(Math.abs(h-d)_&&x>D?xD?_=0?1:-1,x=1-p*p;if(x>Number.EPSILON){let D=Math.sqrt(x),T=Math.atan2(D,p*y);g=Math.sin(g*T)/D,o=Math.sin(o*T)/D}let _=o*y;if(l=l*g+d*_,c=c*g+f*_,h=h*g+m*_,u=u*g+v*_,g===1-o){let D=1/Math.sqrt(l*l+c*c+h*h+u*u);l*=D,c*=D,h*=D,u*=D}}e[t]=l,e[t+1]=c,e[t+2]=h,e[t+3]=u}static multiplyQuaternionsFlat(e,t,i,n,s,a){let o=i[n],l=i[n+1],c=i[n+2],h=i[n+3],u=s[a],d=s[a+1],f=s[a+2],m=s[a+3];return e[t]=o*m+h*u+l*f-c*d,e[t+1]=l*m+h*d+c*u-o*f,e[t+2]=c*m+h*f+o*d-l*u,e[t+3]=h*m-o*u-l*d-c*f,e}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get w(){return this._w}set w(e){this._w=e,this._onChangeCallback()}set(e,t,i,n){return this._x=e,this._y=t,this._z=i,this._w=n,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this}setFromEuler(e,t=!0){let i=e._x,n=e._y,s=e._z,a=e._order,o=Math.cos,l=Math.sin,c=o(i/2),h=o(n/2),u=o(s/2),d=l(i/2),f=l(n/2),m=l(s/2);switch(a){case"XYZ":this._x=d*h*u+c*f*m,this._y=c*f*u-d*h*m,this._z=c*h*m+d*f*u,this._w=c*h*u-d*f*m;break;case"YXZ":this._x=d*h*u+c*f*m,this._y=c*f*u-d*h*m,this._z=c*h*m-d*f*u,this._w=c*h*u+d*f*m;break;case"ZXY":this._x=d*h*u-c*f*m,this._y=c*f*u+d*h*m,this._z=c*h*m+d*f*u,this._w=c*h*u-d*f*m;break;case"ZYX":this._x=d*h*u-c*f*m,this._y=c*f*u+d*h*m,this._z=c*h*m-d*f*u,this._w=c*h*u+d*f*m;break;case"YZX":this._x=d*h*u+c*f*m,this._y=c*f*u+d*h*m,this._z=c*h*m-d*f*u,this._w=c*h*u-d*f*m;break;case"XZY":this._x=d*h*u-c*f*m,this._y=c*f*u-d*h*m,this._z=c*h*m+d*f*u,this._w=c*h*u+d*f*m;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return t===!0&&this._onChangeCallback(),this}setFromAxisAngle(e,t){let i=t/2,n=Math.sin(i);return this._x=e.x*n,this._y=e.y*n,this._z=e.z*n,this._w=Math.cos(i),this._onChangeCallback(),this}setFromRotationMatrix(e){let t=e.elements,i=t[0],n=t[4],s=t[8],a=t[1],o=t[5],l=t[9],c=t[2],h=t[6],u=t[10],d=i+o+u;if(d>0){let f=.5/Math.sqrt(d+1);this._w=.25/f,this._x=(h-l)*f,this._y=(s-c)*f,this._z=(a-n)*f}else if(i>o&&i>u){let f=2*Math.sqrt(1+i-o-u);this._w=(h-l)/f,this._x=.25*f,this._y=(n+a)/f,this._z=(s+c)/f}else if(o>u){let f=2*Math.sqrt(1+o-i-u);this._w=(s-c)/f,this._x=(n+a)/f,this._y=.25*f,this._z=(l+h)/f}else{let f=2*Math.sqrt(1+u-i-o);this._w=(a-n)/f,this._x=(s+c)/f,this._y=(l+h)/f,this._z=.25*f}return this._onChangeCallback(),this}setFromUnitVectors(e,t){let i=e.dot(t)+1;return iMath.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=i):(this._x=0,this._y=-e.z,this._z=e.y,this._w=i)):(this._x=e.y*t.z-e.z*t.y,this._y=e.z*t.x-e.x*t.z,this._z=e.x*t.y-e.y*t.x,this._w=i),this.normalize()}angleTo(e){return 2*Math.acos(Math.abs(Ge(this.dot(e),-1,1)))}rotateTowards(e,t){let i=this.angleTo(e);if(i===0)return this;let n=Math.min(1,t/i);return this.slerp(e,n),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(e){return this._x*e._x+this._y*e._y+this._z*e._z+this._w*e._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let e=this.length();return e===0?(this._x=0,this._y=0,this._z=0,this._w=1):(e=1/e,this._x=this._x*e,this._y=this._y*e,this._z=this._z*e,this._w=this._w*e),this._onChangeCallback(),this}multiply(e){return this.multiplyQuaternions(this,e)}premultiply(e){return this.multiplyQuaternions(e,this)}multiplyQuaternions(e,t){let i=e._x,n=e._y,s=e._z,a=e._w,o=t._x,l=t._y,c=t._z,h=t._w;return this._x=i*h+a*o+n*c-s*l,this._y=n*h+a*l+s*o-i*c,this._z=s*h+a*c+i*l-n*o,this._w=a*h-i*o-n*l-s*c,this._onChangeCallback(),this}slerp(e,t){if(t===0)return this;if(t===1)return this.copy(e);let i=this._x,n=this._y,s=this._z,a=this._w,o=a*e._w+i*e._x+n*e._y+s*e._z;if(o<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,o=-o):this.copy(e),o>=1)return this._w=a,this._x=i,this._y=n,this._z=s,this;let l=1-o*o;if(l<=Number.EPSILON){let f=1-t;return this._w=f*a+t*this._w,this._x=f*i+t*this._x,this._y=f*n+t*this._y,this._z=f*s+t*this._z,this.normalize(),this}let c=Math.sqrt(l),h=Math.atan2(c,o),u=Math.sin((1-t)*h)/c,d=Math.sin(t*h)/c;return this._w=a*u+this._w*d,this._x=i*u+this._x*d,this._y=n*u+this._y*d,this._z=s*u+this._z*d,this._onChangeCallback(),this}slerpQuaternions(e,t,i){return this.copy(e).slerp(t,i)}random(){let e=2*Math.PI*Math.random(),t=2*Math.PI*Math.random(),i=Math.random(),n=Math.sqrt(1-i),s=Math.sqrt(i);return this.set(n*Math.sin(e),n*Math.cos(e),s*Math.sin(t),s*Math.cos(t))}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._w===this._w}fromArray(e,t=0){return this._x=e[t],this._y=e[t+1],this._z=e[t+2],this._w=e[t+3],this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._w,e}fromBufferAttribute(e,t){return this._x=e.getX(t),this._y=e.getY(t),this._z=e.getZ(t),this._w=e.getW(t),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}},b=class{constructor(e=0,t=0,i=0){b.prototype.isVector3=!0,this.x=e,this.y=t,this.z=i}set(e,t,i){return i===void 0&&(i=this.z),this.x=e,this.y=t,this.z=i,this}setScalar(e){return 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this.x=n*Math.sin(i),this.y=Math.cos(t)*e,this.z=n*Math.cos(i),this}setFromCylindrical(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)}setFromCylindricalCoords(e,t,i){return this.x=e*Math.sin(t),this.y=i,this.z=e*Math.cos(t),this}setFromMatrixPosition(e){let t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this}setFromMatrixScale(e){let t=this.setFromMatrixColumn(e,0).length(),i=this.setFromMatrixColumn(e,1).length(),n=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=i,this.z=n,this}setFromMatrixColumn(e,t){return this.fromArray(e.elements,t*4)}setFromMatrix3Column(e,t){return this.fromArray(e.elements,t*3)}setFromEuler(e){return this.x=e._x,this.y=e._y,this.z=e._z,this}setFromColor(e){return this.x=e.r,this.y=e.g,this.z=e.b,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){let e=Math.random()*Math.PI*2,t=Math.random()*2-1,i=Math.sqrt(1-t*t);return this.x=i*Math.cos(e),this.y=t,this.z=i*Math.sin(e),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}},bu=new b,Bp=new Ft,Ht=class{constructor(e=new b(1/0,1/0,1/0),t=new b(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromArray(e){this.makeEmpty();for(let t=0,i=e.length;t=this.min.x&&e.x<=this.max.x&&e.y>=this.min.y&&e.y<=this.max.y&&e.z>=this.min.z&&e.z<=this.max.z}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y&&this.min.z<=e.min.z&&e.max.z<=this.max.z}getParameter(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y),(e.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(e){return e.max.x>=this.min.x&&e.min.x<=this.max.x&&e.max.y>=this.min.y&&e.min.y<=this.max.y&&e.max.z>=this.min.z&&e.min.z<=this.max.z}intersectsSphere(e){return this.clampPoint(e.center,Qi),Qi.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,i;return e.normal.x>0?(t=e.normal.x*this.min.x,i=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,i=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,i+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,i+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,i+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,i+=e.normal.z*this.min.z),t<=-e.constant&&i>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(_o),Pl.subVectors(this.max,_o),ws.subVectors(e.a,_o),Cs.subVectors(e.b,_o),Rs.subVectors(e.c,_o),Yn.subVectors(Cs,ws),jn.subVectors(Rs,Cs),xr.subVectors(ws,Rs);let t=[0,-Yn.z,Yn.y,0,-jn.z,jn.y,0,-xr.z,xr.y,Yn.z,0,-Yn.x,jn.z,0,-jn.x,xr.z,0,-xr.x,-Yn.y,Yn.x,0,-jn.y,jn.x,0,-xr.y,xr.x,0];return!Tu(t,ws,Cs,Rs,Pl)||(t=[1,0,0,0,1,0,0,0,1],!Tu(t,ws,Cs,Rs,Pl))?!1:(Il.crossVectors(Yn,jn),t=[Il.x,Il.y,Il.z],Tu(t,ws,Cs,Rs,Pl))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return this.clampPoint(e,Qi).distanceTo(e)}getBoundingSphere(e){return this.isEmpty()?e.makeEmpty():(this.getCenter(e.center),e.radius=this.getSize(Qi).length()*.5),e}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}applyMatrix4(e){return this.isEmpty()?this:(Mn[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),Mn[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),Mn[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),Mn[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),Mn[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),Mn[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),Mn[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),Mn[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(Mn),this)}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}},Mn=[new b,new b,new b,new b,new b,new b,new b,new b],Qi=new b,Dl=new Ht,ws=new b,Cs=new b,Rs=new b,Yn=new b,jn=new b,xr=new b,_o=new b,Pl=new b,Il=new b,_r=new b;function Tu(r,e,t,i,n){for(let s=0,a=r.length-3;s<=a;s+=3){_r.fromArray(r,s);let o=n.x*Math.abs(_r.x)+n.y*Math.abs(_r.y)+n.z*Math.abs(_r.z),l=e.dot(_r),c=t.dot(_r),h=i.dot(_r);if(Math.max(-Math.max(l,c,h),Math.min(l,c,h))>o)return!1}return!0}var a0=new Ht,yo=new b,wu=new b,Bt=class{constructor(e=new b,t=-1){this.isSphere=!0,this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){let i=this.center;t!==void 0?i.copy(t):a0.setFromPoints(e).getCenter(i);let n=0;for(let s=0,a=e.length;sthis.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t}getBoundingBox(e){return this.isEmpty()?(e.makeEmpty(),e):(e.set(this.center,this.center),e.expandByScalar(this.radius),e)}applyMatrix4(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this}translate(e){return this.center.add(e),this}expandByPoint(e){if(this.isEmpty())return this.center.copy(e),this.radius=0,this;yo.subVectors(e,this.center);let t=yo.lengthSq();if(t>this.radius*this.radius){let i=Math.sqrt(t),n=(i-this.radius)*.5;this.center.addScaledVector(yo,n/i),this.radius+=n}return this}union(e){return e.isEmpty()?this:this.isEmpty()?(this.copy(e),this):(this.center.equals(e.center)===!0?this.radius=Math.max(this.radius,e.radius):(wu.subVectors(e.center,this.center).setLength(e.radius),this.expandByPoint(yo.copy(e.center).add(wu)),this.expandByPoint(yo.copy(e.center).sub(wu))),this)}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return new this.constructor().copy(this)}},bn=new b,Cu=new b,Ul=new b,qn=new b,Ru=new b,Ll=new b,Du=new b,hn=class{constructor(e=new b,t=new b(0,0,-1)){this.origin=e,this.direction=t}set(e,t){return this.origin.copy(e),this.direction.copy(t),this}copy(e){return this.origin.copy(e.origin),this.direction.copy(e.direction),this}at(e,t){return t.copy(this.origin).addScaledVector(this.direction,e)}lookAt(e){return this.direction.copy(e).sub(this.origin).normalize(),this}recast(e){return this.origin.copy(this.at(e,bn)),this}closestPointToPoint(e,t){t.subVectors(e,this.origin);let i=t.dot(this.direction);return i<0?t.copy(this.origin):t.copy(this.origin).addScaledVector(this.direction,i)}distanceToPoint(e){return Math.sqrt(this.distanceSqToPoint(e))}distanceSqToPoint(e){let t=bn.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(bn.copy(this.origin).addScaledVector(this.direction,t),bn.distanceToSquared(e))}distanceSqToSegment(e,t,i,n){Cu.copy(e).add(t).multiplyScalar(.5),Ul.copy(t).sub(e).normalize(),qn.copy(this.origin).sub(Cu);let s=e.distanceTo(t)*.5,a=-this.direction.dot(Ul),o=qn.dot(this.direction),l=-qn.dot(Ul),c=qn.lengthSq(),h=Math.abs(1-a*a),u,d,f,m;if(h>0)if(u=a*l-o,d=a*o-l,m=s*h,u>=0)if(d>=-m)if(d<=m){let v=1/h;u*=v,d*=v,f=u*(u+a*d+2*o)+d*(a*u+d+2*l)+c}else d=s,u=Math.max(0,-(a*d+o)),f=-u*u+d*(d+2*l)+c;else d=-s,u=Math.max(0,-(a*d+o)),f=-u*u+d*(d+2*l)+c;else d<=-m?(u=Math.max(0,-(-a*s+o)),d=u>0?-s:Math.min(Math.max(-s,-l),s),f=-u*u+d*(d+2*l)+c):d<=m?(u=0,d=Math.min(Math.max(-s,-l),s),f=d*(d+2*l)+c):(u=Math.max(0,-(a*s+o)),d=u>0?s:Math.min(Math.max(-s,-l),s),f=-u*u+d*(d+2*l)+c);else d=a>0?-s:s,u=Math.max(0,-(a*d+o)),f=-u*u+d*(d+2*l)+c;return i&&i.copy(this.origin).addScaledVector(this.direction,u),n&&n.copy(Cu).addScaledVector(Ul,d),f}intersectSphere(e,t){bn.subVectors(e.center,this.origin);let i=bn.dot(this.direction),n=bn.dot(bn)-i*i,s=e.radius*e.radius;if(n>s)return null;let a=Math.sqrt(s-n),o=i-a,l=i+a;return l<0?null:o<0?this.at(l,t):this.at(o,t)}intersectsSphere(e){return this.distanceSqToPoint(e.center)<=e.radius*e.radius}distanceToPlane(e){let t=e.normal.dot(this.direction);if(t===0)return e.distanceToPoint(this.origin)===0?0:null;let i=-(this.origin.dot(e.normal)+e.constant)/t;return i>=0?i:null}intersectPlane(e,t){let i=this.distanceToPlane(e);return i===null?null:this.at(i,t)}intersectsPlane(e){let t=e.distanceToPoint(this.origin);return t===0||e.normal.dot(this.direction)*t<0}intersectBox(e,t){let i,n,s,a,o,l,c=1/this.direction.x,h=1/this.direction.y,u=1/this.direction.z,d=this.origin;return c>=0?(i=(e.min.x-d.x)*c,n=(e.max.x-d.x)*c):(i=(e.max.x-d.x)*c,n=(e.min.x-d.x)*c),h>=0?(s=(e.min.y-d.y)*h,a=(e.max.y-d.y)*h):(s=(e.max.y-d.y)*h,a=(e.min.y-d.y)*h),i>a||s>n||((s>i||isNaN(i))&&(i=s),(a=0?(o=(e.min.z-d.z)*u,l=(e.max.z-d.z)*u):(o=(e.max.z-d.z)*u,l=(e.min.z-d.z)*u),i>l||o>n)||((o>i||i!==i)&&(i=o),(l=0?i:n,t)}intersectsBox(e){return this.intersectBox(e,bn)!==null}intersectTriangle(e,t,i,n,s){Ru.subVectors(t,e),Ll.subVectors(i,e),Du.crossVectors(Ru,Ll);let a=this.direction.dot(Du),o;if(a>0){if(n)return null;o=1}else if(a<0)o=-1,a=-a;else return null;qn.subVectors(this.origin,e);let l=o*this.direction.dot(Ll.crossVectors(qn,Ll));if(l<0)return null;let c=o*this.direction.dot(Ru.cross(qn));if(c<0||l+c>a)return null;let h=-o*qn.dot(Du);return h<0?null:this.at(h/a,s)}applyMatrix4(e){return this.origin.applyMatrix4(e),this.direction.transformDirection(e),this}equals(e){return e.origin.equals(this.origin)&&e.direction.equals(this.direction)}clone(){return new this.constructor().copy(this)}},Le=class{constructor(e,t,i,n,s,a,o,l,c,h,u,d,f,m,v,g){Le.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],e!==void 0&&this.set(e,t,i,n,s,a,o,l,c,h,u,d,f,m,v,g)}set(e,t,i,n,s,a,o,l,c,h,u,d,f,m,v,g){let p=this.elements;return p[0]=e,p[4]=t,p[8]=i,p[12]=n,p[1]=s,p[5]=a,p[9]=o,p[13]=l,p[2]=c,p[6]=h,p[10]=u,p[14]=d,p[3]=f,p[7]=m,p[11]=v,p[15]=g,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return new Le().fromArray(this.elements)}copy(e){let t=this.elements,i=e.elements;return t[0]=i[0],t[1]=i[1],t[2]=i[2],t[3]=i[3],t[4]=i[4],t[5]=i[5],t[6]=i[6],t[7]=i[7],t[8]=i[8],t[9]=i[9],t[10]=i[10],t[11]=i[11],t[12]=i[12],t[13]=i[13],t[14]=i[14],t[15]=i[15],this}copyPosition(e){let t=this.elements,i=e.elements;return t[12]=i[12],t[13]=i[13],t[14]=i[14],this}setFromMatrix3(e){let t=e.elements;return this.set(t[0],t[3],t[6],0,t[1],t[4],t[7],0,t[2],t[5],t[8],0,0,0,0,1),this}extractBasis(e,t,i){return e.setFromMatrixColumn(this,0),t.setFromMatrixColumn(this,1),i.setFromMatrixColumn(this,2),this}makeBasis(e,t,i){return this.set(e.x,t.x,i.x,0,e.y,t.y,i.y,0,e.z,t.z,i.z,0,0,0,0,1),this}extractRotation(e){let t=this.elements,i=e.elements,n=1/Ds.setFromMatrixColumn(e,0).length(),s=1/Ds.setFromMatrixColumn(e,1).length(),a=1/Ds.setFromMatrixColumn(e,2).length();return t[0]=i[0]*n,t[1]=i[1]*n,t[2]=i[2]*n,t[3]=0,t[4]=i[4]*s,t[5]=i[5]*s,t[6]=i[6]*s,t[7]=0,t[8]=i[8]*a,t[9]=i[9]*a,t[10]=i[10]*a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromEuler(e){let t=this.elements,i=e.x,n=e.y,s=e.z,a=Math.cos(i),o=Math.sin(i),l=Math.cos(n),c=Math.sin(n),h=Math.cos(s),u=Math.sin(s);if(e.order==="XYZ"){let d=a*h,f=a*u,m=o*h,v=o*u;t[0]=l*h,t[4]=-l*u,t[8]=c,t[1]=f+m*c,t[5]=d-v*c,t[9]=-o*l,t[2]=v-d*c,t[6]=m+f*c,t[10]=a*l}else if(e.order==="YXZ"){let d=l*h,f=l*u,m=c*h,v=c*u;t[0]=d+v*o,t[4]=m*o-f,t[8]=a*c,t[1]=a*u,t[5]=a*h,t[9]=-o,t[2]=f*o-m,t[6]=v+d*o,t[10]=a*l}else if(e.order==="ZXY"){let d=l*h,f=l*u,m=c*h,v=c*u;t[0]=d-v*o,t[4]=-a*u,t[8]=m+f*o,t[1]=f+m*o,t[5]=a*h,t[9]=v-d*o,t[2]=-a*c,t[6]=o,t[10]=a*l}else if(e.order==="ZYX"){let d=a*h,f=a*u,m=o*h,v=o*u;t[0]=l*h,t[4]=m*c-f,t[8]=d*c+v,t[1]=l*u,t[5]=v*c+d,t[9]=f*c-m,t[2]=-c,t[6]=o*l,t[10]=a*l}else if(e.order==="YZX"){let d=a*l,f=a*c,m=o*l,v=o*c;t[0]=l*h,t[4]=v-d*u,t[8]=m*u+f,t[1]=u,t[5]=a*h,t[9]=-o*h,t[2]=-c*h,t[6]=f*u+m,t[10]=d-v*u}else if(e.order==="XZY"){let d=a*l,f=a*c,m=o*l,v=o*c;t[0]=l*h,t[4]=-u,t[8]=c*h,t[1]=d*u+v,t[5]=a*h,t[9]=f*u-m,t[2]=m*u-f,t[6]=o*h,t[10]=v*u+d}return t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromQuaternion(e){return this.compose(o0,e,l0)}lookAt(e,t,i){let n=this.elements;return Si.subVectors(e,t),Si.lengthSq()===0&&(Si.z=1),Si.normalize(),Zn.crossVectors(i,Si),Zn.lengthSq()===0&&(Math.abs(i.z)===1?Si.x+=1e-4:Si.z+=1e-4,Si.normalize(),Zn.crossVectors(i,Si)),Zn.normalize(),Bl.crossVectors(Si,Zn),n[0]=Zn.x,n[4]=Bl.x,n[8]=Si.x,n[1]=Zn.y,n[5]=Bl.y,n[9]=Si.y,n[2]=Zn.z,n[6]=Bl.z,n[10]=Si.z,this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){let i=e.elements,n=t.elements,s=this.elements,a=i[0],o=i[4],l=i[8],c=i[12],h=i[1],u=i[5],d=i[9],f=i[13],m=i[2],v=i[6],g=i[10],p=i[14],y=i[3],x=i[7],_=i[11],D=i[15],T=n[0],R=n[4],P=n[8],M=n[12],A=n[1],I=n[5],k=n[9],N=n[13],G=n[2],Z=n[6],V=n[10],ne=n[14],W=n[3],ce=n[7],ve=n[11],Me=n[15];return s[0]=a*T+o*A+l*G+c*W,s[4]=a*R+o*I+l*Z+c*ce,s[8]=a*P+o*k+l*V+c*ve,s[12]=a*M+o*N+l*ne+c*Me,s[1]=h*T+u*A+d*G+f*W,s[5]=h*R+u*I+d*Z+f*ce,s[9]=h*P+u*k+d*V+f*ve,s[13]=h*M+u*N+d*ne+f*Me,s[2]=m*T+v*A+g*G+p*W,s[6]=m*R+v*I+g*Z+p*ce,s[10]=m*P+v*k+g*V+p*ve,s[14]=m*M+v*N+g*ne+p*Me,s[3]=y*T+x*A+_*G+D*W,s[7]=y*R+x*I+_*Z+D*ce,s[11]=y*P+x*k+_*V+D*ve,s[15]=y*M+x*N+_*ne+D*Me,this}multiplyScalar(e){let t=this.elements;return t[0]*=e,t[4]*=e,t[8]*=e,t[12]*=e,t[1]*=e,t[5]*=e,t[9]*=e,t[13]*=e,t[2]*=e,t[6]*=e,t[10]*=e,t[14]*=e,t[3]*=e,t[7]*=e,t[11]*=e,t[15]*=e,this}determinant(){let e=this.elements,t=e[0],i=e[4],n=e[8],s=e[12],a=e[1],o=e[5],l=e[9],c=e[13],h=e[2],u=e[6],d=e[10],f=e[14],m=e[3],v=e[7],g=e[11],p=e[15];return m*(+s*l*u-n*c*u-s*o*d+i*c*d+n*o*f-i*l*f)+v*(+t*l*f-t*c*d+s*a*d-n*a*f+n*c*h-s*l*h)+g*(+t*c*u-t*o*f-s*a*u+i*a*f+s*o*h-i*c*h)+p*(-n*o*h-t*l*u+t*o*d+n*a*u-i*a*d+i*l*h)}transpose(){let e=this.elements,t;return t=e[1],e[1]=e[4],e[4]=t,t=e[2],e[2]=e[8],e[8]=t,t=e[6],e[6]=e[9],e[9]=t,t=e[3],e[3]=e[12],e[12]=t,t=e[7],e[7]=e[13],e[13]=t,t=e[11],e[11]=e[14],e[14]=t,this}setPosition(e,t,i){let n=this.elements;return e.isVector3?(n[12]=e.x,n[13]=e.y,n[14]=e.z):(n[12]=e,n[13]=t,n[14]=i),this}invert(){let e=this.elements,t=e[0],i=e[1],n=e[2],s=e[3],a=e[4],o=e[5],l=e[6],c=e[7],h=e[8],u=e[9],d=e[10],f=e[11],m=e[12],v=e[13],g=e[14],p=e[15],y=u*g*c-v*d*c+v*l*f-o*g*f-u*l*p+o*d*p,x=m*d*c-h*g*c-m*l*f+a*g*f+h*l*p-a*d*p,_=h*v*c-m*u*c+m*o*f-a*v*f-h*o*p+a*u*p,D=m*u*l-h*v*l-m*o*d+a*v*d+h*o*g-a*u*g,T=t*y+i*x+n*_+s*D;if(T===0)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);let R=1/T;return e[0]=y*R,e[1]=(v*d*s-u*g*s-v*n*f+i*g*f+u*n*p-i*d*p)*R,e[2]=(o*g*s-v*l*s+v*n*c-i*g*c-o*n*p+i*l*p)*R,e[3]=(u*l*s-o*d*s-u*n*c+i*d*c+o*n*f-i*l*f)*R,e[4]=x*R,e[5]=(h*g*s-m*d*s+m*n*f-t*g*f-h*n*p+t*d*p)*R,e[6]=(m*l*s-a*g*s-m*n*c+t*g*c+a*n*p-t*l*p)*R,e[7]=(a*d*s-h*l*s+h*n*c-t*d*c-a*n*f+t*l*f)*R,e[8]=_*R,e[9]=(m*u*s-h*v*s-m*i*f+t*v*f+h*i*p-t*u*p)*R,e[10]=(a*v*s-m*o*s+m*i*c-t*v*c-a*i*p+t*o*p)*R,e[11]=(h*o*s-a*u*s-h*i*c+t*u*c+a*i*f-t*o*f)*R,e[12]=D*R,e[13]=(h*v*n-m*u*n+m*i*d-t*v*d-h*i*g+t*u*g)*R,e[14]=(m*o*n-a*v*n-m*i*l+t*v*l+a*i*g-t*o*g)*R,e[15]=(a*u*n-h*o*n+h*i*l-t*u*l-a*i*d+t*o*d)*R,this}scale(e){let t=this.elements,i=e.x,n=e.y,s=e.z;return t[0]*=i,t[4]*=n,t[8]*=s,t[1]*=i,t[5]*=n,t[9]*=s,t[2]*=i,t[6]*=n,t[10]*=s,t[3]*=i,t[7]*=n,t[11]*=s,this}getMaxScaleOnAxis(){let e=this.elements,t=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],i=e[4]*e[4]+e[5]*e[5]+e[6]*e[6],n=e[8]*e[8]+e[9]*e[9]+e[10]*e[10];return Math.sqrt(Math.max(t,i,n))}makeTranslation(e,t,i){return e.isVector3?this.set(1,0,0,e.x,0,1,0,e.y,0,0,1,e.z,0,0,0,1):this.set(1,0,0,e,0,1,0,t,0,0,1,i,0,0,0,1),this}makeRotationX(e){let t=Math.cos(e),i=Math.sin(e);return this.set(1,0,0,0,0,t,-i,0,0,i,t,0,0,0,0,1),this}makeRotationY(e){let t=Math.cos(e),i=Math.sin(e);return this.set(t,0,i,0,0,1,0,0,-i,0,t,0,0,0,0,1),this}makeRotationZ(e){let t=Math.cos(e),i=Math.sin(e);return this.set(t,-i,0,0,i,t,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(e,t){let i=Math.cos(t),n=Math.sin(t),s=1-i,a=e.x,o=e.y,l=e.z,c=s*a,h=s*o;return this.set(c*a+i,c*o-n*l,c*l+n*o,0,c*o+n*l,h*o+i,h*l-n*a,0,c*l-n*o,h*l+n*a,s*l*l+i,0,0,0,0,1),this}makeScale(e,t,i){return this.set(e,0,0,0,0,t,0,0,0,0,i,0,0,0,0,1),this}makeShear(e,t,i,n,s,a){return this.set(1,i,s,0,e,1,a,0,t,n,1,0,0,0,0,1),this}compose(e,t,i){let n=this.elements,s=t._x,a=t._y,o=t._z,l=t._w,c=s+s,h=a+a,u=o+o,d=s*c,f=s*h,m=s*u,v=a*h,g=a*u,p=o*u,y=l*c,x=l*h,_=l*u,D=i.x,T=i.y,R=i.z;return n[0]=(1-(v+p))*D,n[1]=(f+_)*D,n[2]=(m-x)*D,n[3]=0,n[4]=(f-_)*T,n[5]=(1-(d+p))*T,n[6]=(g+y)*T,n[7]=0,n[8]=(m+x)*R,n[9]=(g-y)*R,n[10]=(1-(d+v))*R,n[11]=0,n[12]=e.x,n[13]=e.y,n[14]=e.z,n[15]=1,this}decompose(e,t,i){let n=this.elements,s=Ds.set(n[0],n[1],n[2]).length(),a=Ds.set(n[4],n[5],n[6]).length(),o=Ds.set(n[8],n[9],n[10]).length();this.determinant()<0&&(s=-s),e.x=n[12],e.y=n[13],e.z=n[14],Ki.copy(this);let c=1/s,h=1/a,u=1/o;return Ki.elements[0]*=c,Ki.elements[1]*=c,Ki.elements[2]*=c,Ki.elements[4]*=h,Ki.elements[5]*=h,Ki.elements[6]*=h,Ki.elements[8]*=u,Ki.elements[9]*=u,Ki.elements[10]*=u,t.setFromRotationMatrix(Ki),i.x=s,i.y=a,i.z=o,this}makePerspective(e,t,i,n,s,a,o=Ni){let l=this.elements,c=2*s/(t-e),h=2*s/(i-n),u=(t+e)/(t-e),d=(i+n)/(i-n),f,m;if(o===Ni)f=-(a+s)/(a-s),m=-2*a*s/(a-s);else if(o===ys)f=-a/(a-s),m=-a*s/(a-s);else throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+o);return l[0]=c,l[4]=0,l[8]=u,l[12]=0,l[1]=0,l[5]=h,l[9]=d,l[13]=0,l[2]=0,l[6]=0,l[10]=f,l[14]=m,l[3]=0,l[7]=0,l[11]=-1,l[15]=0,this}makeOrthographic(e,t,i,n,s,a,o=Ni){let l=this.elements,c=1/(t-e),h=1/(i-n),u=1/(a-s),d=(t+e)*c,f=(i+n)*h,m,v;if(o===Ni)m=(a+s)*u,v=-2*u;else if(o===ys)m=s*u,v=-1*u;else throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+o);return l[0]=2*c,l[4]=0,l[8]=0,l[12]=-d,l[1]=0,l[5]=2*h,l[9]=0,l[13]=-f,l[2]=0,l[6]=0,l[10]=v,l[14]=-m,l[3]=0,l[7]=0,l[11]=0,l[15]=1,this}equals(e){let t=this.elements,i=e.elements;for(let n=0;n<16;n++)if(t[n]!==i[n])return!1;return!0}fromArray(e,t=0){for(let i=0;i<16;i++)this.elements[i]=e[i+t];return this}toArray(e=[],t=0){let i=this.elements;return e[t]=i[0],e[t+1]=i[1],e[t+2]=i[2],e[t+3]=i[3],e[t+4]=i[4],e[t+5]=i[5],e[t+6]=i[6],e[t+7]=i[7],e[t+8]=i[8],e[t+9]=i[9],e[t+10]=i[10],e[t+11]=i[11],e[t+12]=i[12],e[t+13]=i[13],e[t+14]=i[14],e[t+15]=i[15],e}},Ds=new b,Ki=new Le,o0=new b(0,0,0),l0=new b(1,1,1),Zn=new b,Bl=new b,Si=new b,Op=new Le,Np=new Ft,oi=class{constructor(e=0,t=0,i=0,n=oi.DEFAULT_ORDER){this.isEuler=!0,this._x=e,this._y=t,this._z=i,this._order=n}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get order(){return this._order}set order(e){this._order=e,this._onChangeCallback()}set(e,t,i,n=this._order){return this._x=e,this._y=t,this._z=i,this._order=n,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(e){return this._x=e._x,this._y=e._y,this._z=e._z,this._order=e._order,this._onChangeCallback(),this}setFromRotationMatrix(e,t=this._order,i=!0){let n=e.elements,s=n[0],a=n[4],o=n[8],l=n[1],c=n[5],h=n[9],u=n[2],d=n[6],f=n[10];switch(t){case"XYZ":this._y=Math.asin(Ge(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-h,f),this._z=Math.atan2(-a,s)):(this._x=Math.atan2(d,c),this._z=0);break;case"YXZ":this._x=Math.asin(-Ge(h,-1,1)),Math.abs(h)<.9999999?(this._y=Math.atan2(o,f),this._z=Math.atan2(l,c)):(this._y=Math.atan2(-u,s),this._z=0);break;case"ZXY":this._x=Math.asin(Ge(d,-1,1)),Math.abs(d)<.9999999?(this._y=Math.atan2(-u,f),this._z=Math.atan2(-a,c)):(this._y=0,this._z=Math.atan2(l,s));break;case"ZYX":this._y=Math.asin(-Ge(u,-1,1)),Math.abs(u)<.9999999?(this._x=Math.atan2(d,f),this._z=Math.atan2(l,s)):(this._x=0,this._z=Math.atan2(-a,c));break;case"YZX":this._z=Math.asin(Ge(l,-1,1)),Math.abs(l)<.9999999?(this._x=Math.atan2(-h,c),this._y=Math.atan2(-u,s)):(this._x=0,this._y=Math.atan2(o,f));break;case"XZY":this._z=Math.asin(-Ge(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(d,c),this._y=Math.atan2(o,s)):(this._x=Math.atan2(-h,f),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+t)}return this._order=t,i===!0&&this._onChangeCallback(),this}setFromQuaternion(e,t,i){return Op.makeRotationFromQuaternion(e),this.setFromRotationMatrix(Op,t,i)}setFromVector3(e,t=this._order){return this.set(e.x,e.y,e.z,t)}reorder(e){return Np.setFromEuler(this),this.setFromQuaternion(Np,e)}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._order===this._order}fromArray(e){return this._x=e[0],this._y=e[1],this._z=e[2],e[3]!==void 0&&(this._order=e[3]),this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._order,e}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}};oi.DEFAULT_ORDER="XYZ";var Ps=class{constructor(){this.mask=1|0}set(e){this.mask=(1<>>0}enable(e){this.mask|=1<1){for(let t=0;t1){for(let i=0;i0&&(n.userData=this.userData),n.layers=this.layers.mask,n.matrix=this.matrix.toArray(),n.up=this.up.toArray(),this.matrixAutoUpdate===!1&&(n.matrixAutoUpdate=!1),this.isInstancedMesh&&(n.type="InstancedMesh",n.count=this.count,n.instanceMatrix=this.instanceMatrix.toJSON(),this.instanceColor!==null&&(n.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(n.type="BatchedMesh",n.perObjectFrustumCulled=this.perObjectFrustumCulled,n.sortObjects=this.sortObjects,n.drawRanges=this._drawRanges,n.reservedRanges=this._reservedRanges,n.visibility=this._visibility,n.active=this._active,n.bounds=this._bounds.map(o=>({boxInitialized:o.boxInitialized,boxMin:o.box.min.toArray(),boxMax:o.box.max.toArray(),sphereInitialized:o.sphereInitialized,sphereRadius:o.sphere.radius,sphereCenter:o.sphere.center.toArray()})),n.maxInstanceCount=this._maxInstanceCount,n.maxVertexCount=this._maxVertexCount,n.maxIndexCount=this._maxIndexCount,n.geometryInitialized=this._geometryInitialized,n.geometryCount=this._geometryCount,n.matricesTexture=this._matricesTexture.toJSON(e),this._colorsTexture!==null&&(n.colorsTexture=this._colorsTexture.toJSON(e)),this.boundingSphere!==null&&(n.boundingSphere={center:n.boundingSphere.center.toArray(),radius:n.boundingSphere.radius}),this.boundingBox!==null&&(n.boundingBox={min:n.boundingBox.min.toArray(),max:n.boundingBox.max.toArray()}));function s(o,l){return o[l.uuid]===void 0&&(o[l.uuid]=l.toJSON(e)),l.uuid}if(this.isScene)this.background&&(this.background.isColor?n.background=this.background.toJSON():this.background.isTexture&&(n.background=this.background.toJSON(e).uuid)),this.environment&&this.environment.isTexture&&this.environment.isRenderTargetTexture!==!0&&(n.environment=this.environment.toJSON(e).uuid);else if(this.isMesh||this.isLine||this.isPoints){n.geometry=s(e.geometries,this.geometry);let o=this.geometry.parameters;if(o!==void 0&&o.shapes!==void 0){let l=o.shapes;if(Array.isArray(l))for(let c=0,h=l.length;c0){n.children=[];for(let o=0;o0){n.animations=[];for(let o=0;o0&&(i.geometries=o),l.length>0&&(i.materials=l),c.length>0&&(i.textures=c),h.length>0&&(i.images=h),u.length>0&&(i.shapes=u),d.length>0&&(i.skeletons=d),f.length>0&&(i.animations=f),m.length>0&&(i.nodes=m)}return i.object=n,i;function a(o){let l=[];for(let c in o){let h=o[c];delete h.metadata,l.push(h)}return l}}clone(e){return new this.constructor().copy(this,e)}copy(e,t=!0){if(this.name=e.name,this.up.copy(e.up),this.position.copy(e.position),this.rotation.order=e.rotation.order,this.quaternion.copy(e.quaternion),this.scale.copy(e.scale),this.matrix.copy(e.matrix),this.matrixWorld.copy(e.matrixWorld),this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrixWorldAutoUpdate=e.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=e.matrixWorldNeedsUpdate,this.layers.mask=e.layers.mask,this.visible=e.visible,this.castShadow=e.castShadow,this.receiveShadow=e.receiveShadow,this.frustumCulled=e.frustumCulled,this.renderOrder=e.renderOrder,this.animations=e.animations.slice(),this.userData=JSON.parse(JSON.stringify(e.userData)),t===!0)for(let i=0;i0?n.multiplyScalar(1/Math.sqrt(s)):n.set(0,0,0)}static getBarycoord(e,t,i,n,s){Ji.subVectors(n,t),wn.subVectors(i,t),Iu.subVectors(e,t);let a=Ji.dot(Ji),o=Ji.dot(wn),l=Ji.dot(Iu),c=wn.dot(wn),h=wn.dot(Iu),u=a*c-o*o;if(u===0)return s.set(0,0,0),null;let d=1/u,f=(c*l-o*h)*d,m=(a*h-o*l)*d;return s.set(1-f-m,m,f)}static containsPoint(e,t,i,n){return this.getBarycoord(e,t,i,n,Cn)===null?!1:Cn.x>=0&&Cn.y>=0&&Cn.x+Cn.y<=1}static getInterpolation(e,t,i,n,s,a,o,l){return this.getBarycoord(e,t,i,n,Cn)===null?(l.x=0,l.y=0,"z"in l&&(l.z=0),"w"in l&&(l.w=0),null):(l.setScalar(0),l.addScaledVector(s,Cn.x),l.addScaledVector(a,Cn.y),l.addScaledVector(o,Cn.z),l)}static getInterpolatedAttribute(e,t,i,n,s,a){return Ou.setScalar(0),Nu.setScalar(0),Fu.setScalar(0),Ou.fromBufferAttribute(e,t),Nu.fromBufferAttribute(e,i),Fu.fromBufferAttribute(e,n),a.setScalar(0),a.addScaledVector(Ou,s.x),a.addScaledVector(Nu,s.y),a.addScaledVector(Fu,s.z),a}static isFrontFacing(e,t,i,n){return Ji.subVectors(i,t),wn.subVectors(e,t),Ji.cross(wn).dot(n)<0}set(e,t,i){return this.a.copy(e),this.b.copy(t),this.c.copy(i),this}setFromPointsAndIndices(e,t,i,n){return this.a.copy(e[t]),this.b.copy(e[i]),this.c.copy(e[n]),this}setFromAttributeAndIndices(e,t,i,n){return this.a.fromBufferAttribute(e,t),this.b.fromBufferAttribute(e,i),this.c.fromBufferAttribute(e,n),this}clone(){return new this.constructor().copy(this)}copy(e){return this.a.copy(e.a),this.b.copy(e.b),this.c.copy(e.c),this}getArea(){return Ji.subVectors(this.c,this.b),wn.subVectors(this.a,this.b),Ji.cross(wn).length()*.5}getMidpoint(e){return e.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(e){return ei.getNormal(this.a,this.b,this.c,e)}getPlane(e){return e.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(e,t){return ei.getBarycoord(e,this.a,this.b,this.c,t)}getInterpolation(e,t,i,n,s){return ei.getInterpolation(e,this.a,this.b,this.c,t,i,n,s)}containsPoint(e){return ei.containsPoint(e,this.a,this.b,this.c)}isFrontFacing(e){return ei.isFrontFacing(this.a,this.b,this.c,e)}intersectsBox(e){return e.intersectsTriangle(this)}closestPointToPoint(e,t){let i=this.a,n=this.b,s=this.c,a,o;Ls.subVectors(n,i),Bs.subVectors(s,i),Uu.subVectors(e,i);let l=Ls.dot(Uu),c=Bs.dot(Uu);if(l<=0&&c<=0)return t.copy(i);Lu.subVectors(e,n);let h=Ls.dot(Lu),u=Bs.dot(Lu);if(h>=0&&u<=h)return t.copy(n);let d=l*u-h*c;if(d<=0&&l>=0&&h<=0)return a=l/(l-h),t.copy(i).addScaledVector(Ls,a);Bu.subVectors(e,s);let f=Ls.dot(Bu),m=Bs.dot(Bu);if(m>=0&&f<=m)return t.copy(s);let v=f*c-l*m;if(v<=0&&c>=0&&m<=0)return o=c/(c-m),t.copy(i).addScaledVector(Bs,o);let g=h*m-f*u;if(g<=0&&u-h>=0&&f-m>=0)return Vp.subVectors(s,n),o=(u-h)/(u-h+(f-m)),t.copy(n).addScaledVector(Vp,o);let p=1/(g+v+d);return a=v*p,o=d*p,t.copy(i).addScaledVector(Ls,a).addScaledVector(Bs,o)}equals(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}},Wp={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},Qn={h:0,s:0,l:0},Nl={h:0,s:0,l:0};function Hu(r,e,t){return t<0&&(t+=1),t>1&&(t-=1),t<1/6?r+(e-r)*6*t:t<1/2?e:t<2/3?r+(e-r)*6*(2/3-t):r}var re=class{constructor(e,t,i){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(e,t,i)}set(e,t,i){if(t===void 0&&i===void 0){let n=e;n&&n.isColor?this.copy(n):typeof n=="number"?this.setHex(n):typeof n=="string"&&this.setStyle(n)}else this.setRGB(e,t,i);return this}setScalar(e){return this.r=e,this.g=e,this.b=e,this}setHex(e,t=Oe){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(e&255)/255,et.toWorkingColorSpace(this,t),this}setRGB(e,t,i,n=et.workingColorSpace){return this.r=e,this.g=t,this.b=i,et.toWorkingColorSpace(this,n),this}setHSL(e,t,i,n=et.workingColorSpace){if(e=xu(e,1),t=Ge(t,0,1),i=Ge(i,0,1),t===0)this.r=this.g=this.b=i;else{let s=i<=.5?i*(1+t):i+t-i*t,a=2*i-s;this.r=Hu(a,s,e+1/3),this.g=Hu(a,s,e),this.b=Hu(a,s,e-1/3)}return et.toWorkingColorSpace(this,n),this}setStyle(e,t=Oe){function i(s){s!==void 0&&parseFloat(s)<1&&console.warn("THREE.Color: Alpha component of "+e+" will be ignored.")}let n;if(n=/^(\w+)\(([^\)]*)\)/.exec(e)){let s,a=n[1],o=n[2];switch(a){case"rgb":case"rgba":if(s=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return i(s[4]),this.setRGB(Math.min(255,parseInt(s[1],10))/255,Math.min(255,parseInt(s[2],10))/255,Math.min(255,parseInt(s[3],10))/255,t);if(s=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return i(s[4]),this.setRGB(Math.min(100,parseInt(s[1],10))/100,Math.min(100,parseInt(s[2],10))/100,Math.min(100,parseInt(s[3],10))/100,t);break;case"hsl":case"hsla":if(s=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return i(s[4]),this.setHSL(parseFloat(s[1])/360,parseFloat(s[2])/100,parseFloat(s[3])/100,t);break;default:console.warn("THREE.Color: Unknown color model "+e)}}else if(n=/^\#([A-Fa-f\d]+)$/.exec(e)){let s=n[1],a=s.length;if(a===3)return this.setRGB(parseInt(s.charAt(0),16)/15,parseInt(s.charAt(1),16)/15,parseInt(s.charAt(2),16)/15,t);if(a===6)return this.setHex(parseInt(s,16),t);console.warn("THREE.Color: Invalid hex color "+e)}else if(e&&e.length>0)return this.setColorName(e,t);return this}setColorName(e,t=Oe){let i=Wp[e.toLowerCase()];return i!==void 0?this.setHex(i,t):console.warn("THREE.Color: Unknown color "+e),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(e){return this.r=e.r,this.g=e.g,this.b=e.b,this}copySRGBToLinear(e){return this.r=Sn(e.r),this.g=Sn(e.g),this.b=Sn(e.b),this}copyLinearToSRGB(e){return this.r=Es(e.r),this.g=Es(e.g),this.b=Es(e.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(e=Oe){return et.fromWorkingColorSpace(ti.copy(this),e),Math.round(Ge(ti.r*255,0,255))*65536+Math.round(Ge(ti.g*255,0,255))*256+Math.round(Ge(ti.b*255,0,255))}getHexString(e=Oe){return("000000"+this.getHex(e).toString(16)).slice(-6)}getHSL(e,t=et.workingColorSpace){et.fromWorkingColorSpace(ti.copy(this),t);let i=ti.r,n=ti.g,s=ti.b,a=Math.max(i,n,s),o=Math.min(i,n,s),l,c,h=(o+a)/2;if(o===a)l=0,c=0;else{let u=a-o;switch(c=h<=.5?u/(a+o):u/(2-a-o),a){case i:l=(n-s)/u+(n0!=e>0&&this.version++,this._alphaTest=e}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(e){if(e!==void 0)for(let t in e){let i=e[t];if(i===void 0){console.warn(`THREE.Material: parameter '${t}' has value of undefined.`);continue}let n=this[t];if(n===void 0){console.warn(`THREE.Material: '${t}' is not a property of THREE.${this.type}.`);continue}n&&n.isColor?n.set(i):n&&n.isVector3&&i&&i.isVector3?n.copy(i):this[t]=i}}toJSON(e){let t=e===void 0||typeof e=="string";t&&(e={textures:{},images:{}});let i={metadata:{version:4.6,type:"Material",generator:"Material.toJSON"}};i.uuid=this.uuid,i.type=this.type,this.name!==""&&(i.name=this.name),this.color&&this.color.isColor&&(i.color=this.color.getHex()),this.roughness!==void 0&&(i.roughness=this.roughness),this.metalness!==void 0&&(i.metalness=this.metalness),this.sheen!==void 0&&(i.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(i.sheenColor=this.sheenColor.getHex()),this.sheenRoughness!==void 0&&(i.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(i.emissive=this.emissive.getHex()),this.emissiveIntensity!==void 0&&this.emissiveIntensity!==1&&(i.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(i.specular=this.specular.getHex()),this.specularIntensity!==void 0&&(i.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(i.specularColor=this.specularColor.getHex()),this.shininess!==void 0&&(i.shininess=this.shininess),this.clearcoat!==void 0&&(i.clearcoat=this.clearcoat),this.clearcoatRoughness!==void 0&&(i.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(i.clearcoatMap=this.clearcoatMap.toJSON(e).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(i.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(e).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(i.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(e).uuid,i.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.dispersion!==void 0&&(i.dispersion=this.dispersion),this.iridescence!==void 0&&(i.iridescence=this.iridescence),this.iridescenceIOR!==void 0&&(i.iridescenceIOR=this.iridescenceIOR),this.iridescenceThicknessRange!==void 0&&(i.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(i.iridescenceMap=this.iridescenceMap.toJSON(e).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(i.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(e).uuid),this.anisotropy!==void 0&&(i.anisotropy=this.anisotropy),this.anisotropyRotation!==void 0&&(i.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(i.anisotropyMap=this.anisotropyMap.toJSON(e).uuid),this.map&&this.map.isTexture&&(i.map=this.map.toJSON(e).uuid),this.matcap&&this.matcap.isTexture&&(i.matcap=this.matcap.toJSON(e).uuid),this.alphaMap&&this.alphaMap.isTexture&&(i.alphaMap=this.alphaMap.toJSON(e).uuid),this.lightMap&&this.lightMap.isTexture&&(i.lightMap=this.lightMap.toJSON(e).uuid,i.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(i.aoMap=this.aoMap.toJSON(e).uuid,i.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(i.bumpMap=this.bumpMap.toJSON(e).uuid,i.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(i.normalMap=this.normalMap.toJSON(e).uuid,i.normalMapType=this.normalMapType,i.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(i.displacementMap=this.displacementMap.toJSON(e).uuid,i.displacementScale=this.displacementScale,i.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(i.roughnessMap=this.roughnessMap.toJSON(e).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(i.metalnessMap=this.metalnessMap.toJSON(e).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(i.emissiveMap=this.emissiveMap.toJSON(e).uuid),this.specularMap&&this.specularMap.isTexture&&(i.specularMap=this.specularMap.toJSON(e).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(i.specularIntensityMap=this.specularIntensityMap.toJSON(e).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(i.specularColorMap=this.specularColorMap.toJSON(e).uuid),this.envMap&&this.envMap.isTexture&&(i.envMap=this.envMap.toJSON(e).uuid,this.combine!==void 0&&(i.combine=this.combine)),this.envMapRotation!==void 0&&(i.envMapRotation=this.envMapRotation.toArray()),this.envMapIntensity!==void 0&&(i.envMapIntensity=this.envMapIntensity),this.reflectivity!==void 0&&(i.reflectivity=this.reflectivity),this.refractionRatio!==void 0&&(i.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(i.gradientMap=this.gradientMap.toJSON(e).uuid),this.transmission!==void 0&&(i.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(i.transmissionMap=this.transmissionMap.toJSON(e).uuid),this.thickness!==void 0&&(i.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(i.thicknessMap=this.thicknessMap.toJSON(e).uuid),this.attenuationDistance!==void 0&&this.attenuationDistance!==1/0&&(i.attenuationDistance=this.attenuationDistance),this.attenuationColor!==void 0&&(i.attenuationColor=this.attenuationColor.getHex()),this.size!==void 0&&(i.size=this.size),this.shadowSide!==null&&(i.shadowSide=this.shadowSide),this.sizeAttenuation!==void 0&&(i.sizeAttenuation=this.sizeAttenuation),this.blending!==zn&&(i.blending=this.blending),this.side!==Ui&&(i.side=this.side),this.vertexColors===!0&&(i.vertexColors=!0),this.opacity<1&&(i.opacity=this.opacity),this.transparent===!0&&(i.transparent=!0),this.blendSrc!==ba&&(i.blendSrc=this.blendSrc),this.blendDst!==Ta&&(i.blendDst=this.blendDst),this.blendEquation!==_n&&(i.blendEquation=this.blendEquation),this.blendSrcAlpha!==null&&(i.blendSrcAlpha=this.blendSrcAlpha),this.blendDstAlpha!==null&&(i.blendDstAlpha=this.blendDstAlpha),this.blendEquationAlpha!==null&&(i.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(i.blendColor=this.blendColor.getHex()),this.blendAlpha!==0&&(i.blendAlpha=this.blendAlpha),this.depthFunc!==kn&&(i.depthFunc=this.depthFunc),this.depthTest===!1&&(i.depthTest=this.depthTest),this.depthWrite===!1&&(i.depthWrite=this.depthWrite),this.colorWrite===!1&&(i.colorWrite=this.colorWrite),this.stencilWriteMask!==255&&(i.stencilWriteMask=this.stencilWriteMask),this.stencilFunc!==bl&&(i.stencilFunc=this.stencilFunc),this.stencilRef!==0&&(i.stencilRef=this.stencilRef),this.stencilFuncMask!==255&&(i.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==Xn&&(i.stencilFail=this.stencilFail),this.stencilZFail!==Xn&&(i.stencilZFail=this.stencilZFail),this.stencilZPass!==Xn&&(i.stencilZPass=this.stencilZPass),this.stencilWrite===!0&&(i.stencilWrite=this.stencilWrite),this.rotation!==void 0&&this.rotation!==0&&(i.rotation=this.rotation),this.polygonOffset===!0&&(i.polygonOffset=!0),this.polygonOffsetFactor!==0&&(i.polygonOffsetFactor=this.polygonOffsetFactor),this.polygonOffsetUnits!==0&&(i.polygonOffsetUnits=this.polygonOffsetUnits),this.linewidth!==void 0&&this.linewidth!==1&&(i.linewidth=this.linewidth),this.dashSize!==void 0&&(i.dashSize=this.dashSize),this.gapSize!==void 0&&(i.gapSize=this.gapSize),this.scale!==void 0&&(i.scale=this.scale),this.dithering===!0&&(i.dithering=!0),this.alphaTest>0&&(i.alphaTest=this.alphaTest),this.alphaHash===!0&&(i.alphaHash=!0),this.alphaToCoverage===!0&&(i.alphaToCoverage=!0),this.premultipliedAlpha===!0&&(i.premultipliedAlpha=!0),this.forceSinglePass===!0&&(i.forceSinglePass=!0),this.wireframe===!0&&(i.wireframe=!0),this.wireframeLinewidth>1&&(i.wireframeLinewidth=this.wireframeLinewidth),this.wireframeLinecap!=="round"&&(i.wireframeLinecap=this.wireframeLinecap),this.wireframeLinejoin!=="round"&&(i.wireframeLinejoin=this.wireframeLinejoin),this.flatShading===!0&&(i.flatShading=!0),this.visible===!1&&(i.visible=!1),this.toneMapped===!1&&(i.toneMapped=!1),this.fog===!1&&(i.fog=!1),Object.keys(this.userData).length>0&&(i.userData=this.userData);function n(s){let a=[];for(let o in s){let l=s[o];delete l.metadata,a.push(l)}return a}if(t){let s=n(e.textures),a=n(e.images);s.length>0&&(i.textures=s),a.length>0&&(i.images=a)}return i}clone(){return new this.constructor().copy(this)}copy(e){this.name=e.name,this.blending=e.blending,this.side=e.side,this.vertexColors=e.vertexColors,this.opacity=e.opacity,this.transparent=e.transparent,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.blendColor.copy(e.blendColor),this.blendAlpha=e.blendAlpha,this.depthFunc=e.depthFunc,this.depthTest=e.depthTest,this.depthWrite=e.depthWrite,this.stencilWriteMask=e.stencilWriteMask,this.stencilFunc=e.stencilFunc,this.stencilRef=e.stencilRef,this.stencilFuncMask=e.stencilFuncMask,this.stencilFail=e.stencilFail,this.stencilZFail=e.stencilZFail,this.stencilZPass=e.stencilZPass,this.stencilWrite=e.stencilWrite;let t=e.clippingPlanes,i=null;if(t!==null){let n=t.length;i=new Array(n);for(let s=0;s!==n;++s)i[s]=t[s].clone()}return this.clippingPlanes=i,this.clipIntersection=e.clipIntersection,this.clipShadows=e.clipShadows,this.shadowSide=e.shadowSide,this.colorWrite=e.colorWrite,this.precision=e.precision,this.polygonOffset=e.polygonOffset,this.polygonOffsetFactor=e.polygonOffsetFactor,this.polygonOffsetUnits=e.polygonOffsetUnits,this.dithering=e.dithering,this.alphaTest=e.alphaTest,this.alphaHash=e.alphaHash,this.alphaToCoverage=e.alphaToCoverage,this.premultipliedAlpha=e.premultipliedAlpha,this.forceSinglePass=e.forceSinglePass,this.visible=e.visible,this.toneMapped=e.toneMapped,this.userData=JSON.parse(JSON.stringify(e.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(e){e===!0&&this.version++}onBuild(){console.warn("Material: onBuild() has been removed.")}},li=class extends St{constructor(e){super();this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new re(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new oi,this.combine=rs,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.envMapRotation.copy(e.envMapRotation),this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.fog=e.fog,this}},Rn=p0();function p0(){let r=new ArrayBuffer(4),e=new Float32Array(r),t=new Uint32Array(r),i=new Uint32Array(512),n=new Uint32Array(512);for(let l=0;l<256;++l){let c=l-127;c<-27?(i[l]=0,i[l|256]=32768,n[l]=24,n[l|256]=24):c<-14?(i[l]=1024>>-c-14,i[l|256]=1024>>-c-14|32768,n[l]=-c-1,n[l|256]=-c-1):c<=15?(i[l]=c+15<<10,i[l|256]=c+15<<10|32768,n[l]=13,n[l|256]=13):c<128?(i[l]=31744,i[l|256]=64512,n[l]=24,n[l|256]=24):(i[l]=31744,i[l|256]=64512,n[l]=13,n[l|256]=13)}let s=new Uint32Array(2048),a=new Uint32Array(64),o=new Uint32Array(64);for(let l=1;l<1024;++l){let c=l<<13,h=0;for(;(c&8388608)==0;)c<<=1,h-=8388608;c&=~8388608,h+=947912704,s[l]=c|h}for(let l=1024;l<2048;++l)s[l]=939524096+(l-1024<<13);for(let l=1;l<31;++l)a[l]=l<<23;a[31]=1199570944,a[32]=2147483648;for(let l=33;l<63;++l)a[l]=2147483648+(l-32<<23);a[63]=3347054592;for(let l=1;l<64;++l)l!==32&&(o[l]=1024);return{floatView:e,uint32View:t,baseTable:i,shiftTable:n,mantissaTable:s,exponentTable:a,offsetTable:o}}function fi(r){Math.abs(r)>65504&&console.warn("THREE.DataUtils.toHalfFloat(): Value out of range."),r=Ge(r,-65504,65504),Rn.floatView[0]=r;let e=Rn.uint32View[0],t=e>>23&511;return Rn.baseTable[t]+((e&8388607)>>Rn.shiftTable[t])}function So(r){let e=r>>10;return Rn.uint32View[0]=Rn.mantissaTable[Rn.offsetTable[e]+(r&1023)]+Rn.exponentTable[e],Rn.floatView[0]}var Xp={toHalfFloat:fi,fromHalfFloat:So},Ot=new b,Fl=new z,m0=0,Ce=class{constructor(e,t,i=!1){if(Array.isArray(e))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,Object.defineProperty(this,"id",{value:m0++}),this.name="",this.array=e,this.itemSize=t,this.count=e!==void 0?e.length/t:0,this.normalized=i,this.usage=_s,this.updateRanges=[],this.gpuType=Kt,this.version=0}onUploadCallback(){}set needsUpdate(e){e===!0&&this.version++}setUsage(e){return this.usage=e,this}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}copy(e){return this.name=e.name,this.array=new e.array.constructor(e.array),this.itemSize=e.itemSize,this.count=e.count,this.normalized=e.normalized,this.usage=e.usage,this.gpuType=e.gpuType,this}copyAt(e,t,i){e*=this.itemSize,i*=t.itemSize;for(let n=0,s=this.itemSize;nt.count&&console.warn("THREE.BufferGeometry: Buffer size too small for points data. 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u=0,d=c.length;u0&&(n[l]=h,s=!0)}s&&(e.data.morphAttributes=n,e.data.morphTargetsRelative=this.morphTargetsRelative);let a=this.groups;a.length>0&&(e.data.groups=JSON.parse(JSON.stringify(a)));let o=this.boundingSphere;return o!==null&&(e.data.boundingSphere={center:o.center.toArray(),radius:o.radius}),e}clone(){return new this.constructor().copy(this)}copy(e){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;let t={};this.name=e.name;let i=e.index;i!==null&&this.setIndex(i.clone(t));let n=e.attributes;for(let c in n){let h=n[c];this.setAttribute(c,h.clone(t))}let s=e.morphAttributes;for(let c in s){let h=[],u=s[c];for(let d=0,f=u.length;d0){let n=t[i[0]];if(n!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let s=0,a=n.length;srn(e.far-e.near,2)))&&(Yp.copy(s).invert(),yr.copy(e.ray).applyMatrix4(Yp),!(i.boundingBox!==null&&yr.intersectsBox(i.boundingBox)===!1)&&this._computeIntersections(e,t,yr)))}_computeIntersections(e,t,i){let n,s=this.geometry,a=this.material,o=s.index,l=s.attributes.position,c=s.attributes.uv,h=s.attributes.uv1,u=s.attributes.normal,d=s.groups,f=s.drawRange;if(o!==null)if(Array.isArray(a))for(let m=0,v=d.length;mt.far?null:{distance:c,point:Wl.clone(),object:r}}function Xl(r,e,t,i,n,s,a,o,l,c){r.getVertexPosition(o,zl),r.getVertexPosition(l,kl),r.getVertexPosition(c,Gl);let h=v0(r,e,t,i,zl,kl,Gl,qp);if(h){let u=new b;ei.getBarycoord(qp,zl,kl,Gl,u),n&&(h.uv=ei.getInterpolatedAttribute(n,o,l,c,u,new z)),s&&(h.uv1=ei.getInterpolatedAttribute(s,o,l,c,u,new z)),a&&(h.normal=ei.getInterpolatedAttribute(a,o,l,c,u,new b),h.normal.dot(i.direction)>0&&h.normal.multiplyScalar(-1));let d={a:o,b:l,c,normal:new b,materialIndex:0};ei.getNormal(zl,kl,Gl,d.normal),h.face=d,h.barycoord=u}return h}var Dn=class extends we{constructor(e=1,t=1,i=1,n=1,s=1,a=1){super();this.type="BoxGeometry",this.parameters={width:e,height:t,depth:i,widthSegments:n,heightSegments:s,depthSegments:a};let o=this;n=Math.floor(n),s=Math.floor(s),a=Math.floor(a);let l=[],c=[],h=[],u=[],d=0,f=0;m("z","y","x",-1,-1,i,t,e,a,s,0),m("z","y","x",1,-1,i,t,-e,a,s,1),m("x","z","y",1,1,e,i,t,n,a,2),m("x","z","y",1,-1,e,i,-t,n,a,3),m("x","y","z",1,-1,e,t,i,n,s,4),m("x","y","z",-1,-1,e,t,-i,n,s,5),this.setIndex(l),this.setAttribute("position",new me(c,3)),this.setAttribute("normal",new me(h,3)),this.setAttribute("uv",new me(u,2));function m(v,g,p,y,x,_,D,T,R,P,M){let A=_/R,I=D/P,k=_/2,N=D/2,G=T/2,Z=R+1,V=P+1,ne=0,W=0,ce=new b;for(let ve=0;ve0?1:-1,h.push(ce.x,ce.y,ce.z),u.push(Ve/R),u.push(1-ve/P),ne+=1}}for(let ve=0;ve0&&(t.defines=this.defines),t.vertexShader=this.vertexShader,t.fragmentShader=this.fragmentShader;let n={};for(let i in this.extensions)this.extensions[i]===!0&&(n[i]=!0);return Object.keys(n).length>0&&(t.extensions=n),t}};Ye.prototype.isShaderMaterial=!0;var oi=class extends _e{constructor(){super();this.type="Camera",this.matrixWorldInverse=new ge,this.projectionMatrix=new ge,this.projectionMatrixInverse=new ge}copy(e,t){return super.copy(e,t),this.matrixWorldInverse.copy(e.matrixWorldInverse),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this}getWorldDirection(e){this.updateWorldMatrix(!0,!1);let t=this.matrixWorld.elements;return e.set(-t[8],-t[9],-t[10]).normalize()}updateMatrixWorld(e){super.updateMatrixWorld(e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(e,t){super.updateWorldMatrix(e,t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return new this.constructor().copy(this)}};oi.prototype.isCamera=!0;var ct=class extends oi{constructor(e=50,t=1,n=.1,i=2e3){super();this.type="PerspectiveCamera",this.fov=e,this.zoom=1,this.near=n,this.far=i,this.focus=10,this.aspect=t,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.fov=e.fov,this.zoom=e.zoom,this.near=e.near,this.far=e.far,this.focus=e.focus,this.aspect=e.aspect,this.view=e.view===null?null:Object.assign({},e.view),this.filmGauge=e.filmGauge,this.filmOffset=e.filmOffset,this}setFocalLength(e){let t=.5*this.getFilmHeight()/e;this.fov=Ds*2*Math.atan(t),this.updateProjectionMatrix()}getFocalLength(){let e=Math.tan(Oi*.5*this.fov);return .5*this.getFilmHeight()/e}getEffectiveFOV(){return Ds*2*Math.atan(Math.tan(Oi*.5*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}setViewOffset(e,t,n,i,s,a){this.aspect=e/t,this.view===null&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=i,this.view.width=s,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){this.view!==null&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){let e=this.near,t=e*Math.tan(Oi*.5*this.fov)/this.zoom,n=2*t,i=this.aspect*n,s=-.5*i,a=this.view;if(this.view!==null&&this.view.enabled){let l=a.fullWidth,c=a.fullHeight;s+=a.offsetX*i/l,t-=a.offsetY*n/c,i*=a.width/l,n*=a.height/c}let o=this.filmOffset;o!==0&&(s+=e*o/this.getFilmWidth()),this.projectionMatrix.makePerspective(s,s+i,t,t-n,e,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){let t=super.toJSON(e);return t.object.fov=this.fov,t.object.zoom=this.zoom,t.object.near=this.near,t.object.far=this.far,t.object.focus=this.focus,t.object.aspect=this.aspect,this.view!==null&&(t.object.view=Object.assign({},this.view)),t.object.filmGauge=this.filmGauge,t.object.filmOffset=this.filmOffset,t}};ct.prototype.isPerspectiveCamera=!0;var Tr=90,Cr=1,Os=class extends _e{constructor(e,t,n){super();if(this.type="CubeCamera",n.isWebGLCubeRenderTarget!==!0){console.error("THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.");return}this.renderTarget=n;let i=new ct(Tr,Cr,e,t);i.layers=this.layers,i.up.set(0,-1,0),i.lookAt(new A(1,0,0)),this.add(i);let s=new ct(Tr,Cr,e,t);s.layers=this.layers,s.up.set(0,-1,0),s.lookAt(new A(-1,0,0)),this.add(s);let a=new ct(Tr,Cr,e,t);a.layers=this.layers,a.up.set(0,0,1),a.lookAt(new A(0,1,0)),this.add(a);let o=new ct(Tr,Cr,e,t);o.layers=this.layers,o.up.set(0,0,-1),o.lookAt(new A(0,-1,0)),this.add(o);let l=new ct(Tr,Cr,e,t);l.layers=this.layers,l.up.set(0,-1,0),l.lookAt(new A(0,0,1)),this.add(l);let c=new ct(Tr,Cr,e,t);c.layers=this.layers,c.up.set(0,-1,0),c.lookAt(new A(0,0,-1)),this.add(c)}update(e,t){this.parent===null&&this.updateMatrixWorld();let n=this.renderTarget,[i,s,a,o,l,c]=this.children,u=e.xr.enabled,h=e.getRenderTarget();e.xr.enabled=!1;let d=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,e.setRenderTarget(n,0),e.render(t,i),e.setRenderTarget(n,1),e.render(t,s),e.setRenderTarget(n,2),e.render(t,a),e.setRenderTarget(n,3),e.render(t,o),e.setRenderTarget(n,4),e.render(t,l),n.texture.generateMipmaps=d,e.setRenderTarget(n,5),e.render(t,c),e.setRenderTarget(h),e.xr.enabled=u}},Gi=class extends ot{constructor(e,t,n,i,s,a,o,l,c,u){e=e!==void 0?e:[],t=t!==void 0?t:Di;super(e,t,n,i,s,a,o,l,c,u);this.flipY=!1}get images(){return this.image}set images(e){this.image=e}};Gi.prototype.isCubeTexture=!0;var Ns=class extends We{constructor(e,t,n){Number.isInteger(t)&&(console.warn("THREE.WebGLCubeRenderTarget: constructor signature is now WebGLCubeRenderTarget( size, options )"),t=n);super(e,e,t);t=t||{},this.texture=new Gi(void 0,t.mapping,t.wrapS,t.wrapT,t.magFilter,t.minFilter,t.format,t.type,t.anisotropy,t.encoding),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=t.generateMipmaps!==void 0?t.generateMipmaps:!1,this.texture.minFilter=t.minFilter!==void 0?t.minFilter:et,this.texture._needsFlipEnvMap=!1}fromEquirectangularTexture(e,t){this.texture.type=t.type,this.texture.format=Tt,this.texture.encoding=t.encoding,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;let n={uniforms:{tEquirect:{value:null}},vertexShader:` +}`,Ke=class extends St{constructor(e){super();this.isShaderMaterial=!0,this.type="ShaderMaterial",this.defines={},this.uniforms={},this.uniformsGroups=[],this.vertexShader=_0,this.fragmentShader=y0,this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.forceSinglePass=!0,this.extensions={clipCullDistance:!1,multiDraw:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv1:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,e!==void 0&&this.setValues(e)}copy(e){return super.copy(e),this.fragmentShader=e.fragmentShader,this.vertexShader=e.vertexShader,this.uniforms=Ar(e.uniforms),this.uniformsGroups=x0(e.uniformsGroups),this.defines=Object.assign({},e.defines),this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.fog=e.fog,this.lights=e.lights,this.clipping=e.clipping,this.extensions=Object.assign({},e.extensions),this.glslVersion=e.glslVersion,this}toJSON(e){let t=super.toJSON(e);t.glslVersion=this.glslVersion,t.uniforms={};for(let n in this.uniforms){let a=this.uniforms[n].value;a&&a.isTexture?t.uniforms[n]={type:"t",value:a.toJSON(e).uuid}:a&&a.isColor?t.uniforms[n]={type:"c",value:a.getHex()}:a&&a.isVector2?t.uniforms[n]={type:"v2",value:a.toArray()}:a&&a.isVector3?t.uniforms[n]={type:"v3",value:a.toArray()}:a&&a.isVector4?t.uniforms[n]={type:"v4",value:a.toArray()}:a&&a.isMatrix3?t.uniforms[n]={type:"m3",value:a.toArray()}:a&&a.isMatrix4?t.uniforms[n]={type:"m4",value:a.toArray()}:t.uniforms[n]={value:a}}Object.keys(this.defines).length>0&&(t.defines=this.defines),t.vertexShader=this.vertexShader,t.fragmentShader=this.fragmentShader,t.lights=this.lights,t.clipping=this.clipping;let i={};for(let n in this.extensions)this.extensions[n]===!0&&(i[n]=!0);return Object.keys(i).length>0&&(t.extensions=i),t}},Kn=class extends Xe{constructor(){super();this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new Le,this.projectionMatrix=new Le,this.projectionMatrixInverse=new Le,this.coordinateSystem=Ni}copy(e,t){return super.copy(e,t),this.matrixWorldInverse.copy(e.matrixWorldInverse),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this.coordinateSystem=e.coordinateSystem,this}getWorldDirection(e){return super.getWorldDirection(e).negate()}updateMatrixWorld(e){super.updateMatrixWorld(e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(e,t){super.updateWorldMatrix(e,t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return new this.constructor().copy(this)}},Jn=new b,Zp=new z,Qp=new z,Tt=class extends Kn{constructor(e=50,t=1,i=.1,n=2e3){super();this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=e,this.zoom=1,this.near=i,this.far=n,this.focus=10,this.aspect=t,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.fov=e.fov,this.zoom=e.zoom,this.near=e.near,this.far=e.far,this.focus=e.focus,this.aspect=e.aspect,this.view=e.view===null?null:Object.assign({},e.view),this.filmGauge=e.filmGauge,this.filmOffset=e.filmOffset,this}setFocalLength(e){let t=.5*this.getFilmHeight()/e;this.fov=mr*2*Math.atan(t),this.updateProjectionMatrix()}getFocalLength(){let e=Math.tan(pr*.5*this.fov);return .5*this.getFilmHeight()/e}getEffectiveFOV(){return mr*2*Math.atan(Math.tan(pr*.5*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(e,t,i){Jn.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),t.set(Jn.x,Jn.y).multiplyScalar(-e/Jn.z),Jn.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),i.set(Jn.x,Jn.y).multiplyScalar(-e/Jn.z)}getViewSize(e,t){return this.getViewBounds(e,Zp,Qp),t.subVectors(Qp,Zp)}setViewOffset(e,t,i,n,s,a){this.aspect=e/t,this.view===null&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=i,this.view.offsetY=n,this.view.width=s,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){this.view!==null&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){let e=this.near,t=e*Math.tan(pr*.5*this.fov)/this.zoom,i=2*t,n=this.aspect*i,s=-.5*n,a=this.view;if(this.view!==null&&this.view.enabled){let l=a.fullWidth,c=a.fullHeight;s+=a.offsetX*n/l,t-=a.offsetY*i/c,n*=a.width/l,i*=a.height/c}let o=this.filmOffset;o!==0&&(s+=e*o/this.getFilmWidth()),this.projectionMatrix.makePerspective(s,s+n,t,t-i,e,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){let t=super.toJSON(e);return t.object.fov=this.fov,t.object.zoom=this.zoom,t.object.near=this.near,t.object.far=this.far,t.object.focus=this.focus,t.object.aspect=this.aspect,this.view!==null&&(t.object.view=Object.assign({},this.view)),t.object.filmGauge=this.filmGauge,t.object.filmOffset=this.filmOffset,t}},Ns=-90,Fs=1,Yl=class extends Xe{constructor(e,t,i){super();this.type="CubeCamera",this.renderTarget=i,this.coordinateSystem=null,this.activeMipmapLevel=0;let n=new Tt(Ns,Fs,e,t);n.layers=this.layers,this.add(n);let s=new Tt(Ns,Fs,e,t);s.layers=this.layers,this.add(s);let a=new Tt(Ns,Fs,e,t);a.layers=this.layers,this.add(a);let o=new Tt(Ns,Fs,e,t);o.layers=this.layers,this.add(o);let l=new Tt(Ns,Fs,e,t);l.layers=this.layers,this.add(l);let c=new Tt(Ns,Fs,e,t);c.layers=this.layers,this.add(c)}updateCoordinateSystem(){let e=this.coordinateSystem,t=this.children.concat(),[i,n,s,a,o,l]=t;for(let c of t)this.remove(c);if(e===Ni)i.up.set(0,1,0),i.lookAt(1,0,0),n.up.set(0,1,0),n.lookAt(-1,0,0),s.up.set(0,0,-1),s.lookAt(0,1,0),a.up.set(0,0,1),a.lookAt(0,-1,0),o.up.set(0,1,0),o.lookAt(0,0,1),l.up.set(0,1,0),l.lookAt(0,0,-1);else if(e===ys)i.up.set(0,-1,0),i.lookAt(-1,0,0),n.up.set(0,-1,0),n.lookAt(1,0,0),s.up.set(0,0,1),s.lookAt(0,1,0),a.up.set(0,0,-1),a.lookAt(0,-1,0),o.up.set(0,-1,0),o.lookAt(0,0,1),l.up.set(0,-1,0),l.lookAt(0,0,-1);else throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+e);for(let c of t)this.add(c),c.updateMatrixWorld()}update(e,t){this.parent===null&&this.updateMatrixWorld();let{renderTarget:i,activeMipmapLevel:n}=this;this.coordinateSystem!==e.coordinateSystem&&(this.coordinateSystem=e.coordinateSystem,this.updateCoordinateSystem());let[s,a,o,l,c,h]=this.children,u=e.getRenderTarget(),d=e.getActiveCubeFace(),f=e.getActiveMipmapLevel(),m=e.xr.enabled;e.xr.enabled=!1;let v=i.texture.generateMipmaps;i.texture.generateMipmaps=!1,e.setRenderTarget(i,0,n),e.render(t,s),e.setRenderTarget(i,1,n),e.render(t,a),e.setRenderTarget(i,2,n),e.render(t,o),e.setRenderTarget(i,3,n),e.render(t,l),e.setRenderTarget(i,4,n),e.render(t,c),i.texture.generateMipmaps=v,e.setRenderTarget(i,5,n),e.render(t,h),e.setRenderTarget(u,d,f),e.xr.enabled=m,i.texture.needsPMREMUpdate=!0}},Sr=class extends pt{constructor(e,t,i,n,s,a,o,l,c,h){e=e!==void 0?e:[],t=t!==void 0?t:on;super(e,t,i,n,s,a,o,l,c,h);this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(e){this.image=e}},jl=class extends mt{constructor(e=1,t={}){super(e,e,t);this.isWebGLCubeRenderTarget=!0;let i={width:e,height:e,depth:1},n=[i,i,i,i,i,i];this.texture=new Sr(n,t.mapping,t.wrapS,t.wrapT,t.magFilter,t.minFilter,t.format,t.type,t.anisotropy,t.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=t.generateMipmaps!==void 0?t.generateMipmaps:!1,this.texture.minFilter=t.minFilter!==void 0?t.minFilter:xt}fromEquirectangularTexture(e,t){this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;let i={uniforms:{tEquirect:{value:null}},vertexShader:` varying vec3 vWorldDirection; @@ -37,106 +37,115 @@ var gm=Object.create;var ys=Object.defineProperty;var vm=Object.getOwnPropertyDe gl_FragColor = texture2D( tEquirect, sampleUV ); } - `},i=new Gn(5,5,5),s=new Ye({name:"CubemapFromEquirect",uniforms:_r(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:Qe,blending:xt});s.uniforms.tEquirect.value=t;let a=new ze(i,s),o=t.minFilter;return t.minFilter===Pi&&(t.minFilter=et),new Os(1,10,this).update(e,a),t.minFilter=o,a.geometry.dispose(),a.material.dispose(),this}clear(e,t,n,i){let s=e.getRenderTarget();for(let a=0;a<6;a++)e.setRenderTarget(this,a),e.clear(t,n,i);e.setRenderTarget(s)}};Ns.prototype.isWebGLCubeRenderTarget=!0;var lc=new A,Cg=new A,Dg=new Et,fn=class{constructor(e=new A(1,0,0),t=0){this.normal=e,this.constant=t}set(e,t){return this.normal.copy(e),this.constant=t,this}setComponents(e,t,n,i){return this.normal.set(e,t,n),this.constant=i,this}setFromNormalAndCoplanarPoint(e,t){return this.normal.copy(e),this.constant=-t.dot(this.normal),this}setFromCoplanarPoints(e,t,n){let i=lc.subVectors(n,t).cross(Cg.subVectors(e,t)).normalize();return this.setFromNormalAndCoplanarPoint(i,e),this}copy(e){return this.normal.copy(e.normal),this.constant=e.constant,this}normalize(){let e=1/this.normal.length();return this.normal.multiplyScalar(e),this.constant*=e,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(e){return this.normal.dot(e)+this.constant}distanceToSphere(e){return this.distanceToPoint(e.center)-e.radius}projectPoint(e,t){return t.copy(this.normal).multiplyScalar(-this.distanceToPoint(e)).add(e)}intersectLine(e,t){let n=e.delta(lc),i=this.normal.dot(n);if(i===0)return this.distanceToPoint(e.start)===0?t.copy(e.start):null;let s=-(e.start.dot(this.normal)+this.constant)/i;return s<0||s>1?null:t.copy(n).multiplyScalar(s).add(e.start)}intersectsLine(e){let t=this.distanceToPoint(e.start),n=this.distanceToPoint(e.end);return t<0&&n>0||n<0&&t>0}intersectsBox(e){return e.intersectsPlane(this)}intersectsSphere(e){return e.intersectsPlane(this)}coplanarPoint(e){return e.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(e,t){let n=t||Dg.getNormalMatrix(e),i=this.coplanarPoint(lc).applyMatrix4(e),s=this.normal.applyMatrix3(n).normalize();return this.constant=-i.dot(s),this}translate(e){return this.constant-=e.dot(this.normal),this}equals(e){return e.normal.equals(this.normal)&&e.constant===this.constant}clone(){return new this.constructor().copy(this)}};fn.prototype.isPlane=!0;var Dr=new Un,ja=new A,Rr=class{constructor(e=new fn,t=new fn,n=new fn,i=new fn,s=new fn,a=new fn){this.planes=[e,t,n,i,s,a]}set(e,t,n,i,s,a){let o=this.planes;return o[0].copy(e),o[1].copy(t),o[2].copy(n),o[3].copy(i),o[4].copy(s),o[5].copy(a),this}copy(e){let t=this.planes;for(let n=0;n<6;n++)t[n].copy(e.planes[n]);return this}setFromProjectionMatrix(e){let t=this.planes,n=e.elements,i=n[0],s=n[1],a=n[2],o=n[3],l=n[4],c=n[5],u=n[6],h=n[7],d=n[8],f=n[9],p=n[10],v=n[11],x=n[12],g=n[13],m=n[14],b=n[15];return t[0].setComponents(o-i,h-l,v-d,b-x).normalize(),t[1].setComponents(o+i,h+l,v+d,b+x).normalize(),t[2].setComponents(o+s,h+c,v+f,b+g).normalize(),t[3].setComponents(o-s,h-c,v-f,b-g).normalize(),t[4].setComponents(o-a,h-u,v-p,b-m).normalize(),t[5].setComponents(o+a,h+u,v+p,b+m).normalize(),this}intersectsObject(e){let t=e.geometry;return t.boundingSphere===null&&t.computeBoundingSphere(),Dr.copy(t.boundingSphere).applyMatrix4(e.matrixWorld),this.intersectsSphere(Dr)}intersectsSprite(e){return Dr.center.set(0,0,0),Dr.radius=.7071067811865476,Dr.applyMatrix4(e.matrixWorld),this.intersectsSphere(Dr)}intersectsSphere(e){let t=this.planes,n=e.center,i=-e.radius;for(let s=0;s<6;s++)if(t[s].distanceToPoint(n)0?e.max.x:e.min.x,ja.y=i.normal.y>0?e.max.y:e.min.y,ja.z=i.normal.z>0?e.max.z:e.min.z,i.distanceToPoint(ja)<0)return!1}return!0}containsPoint(e){let t=this.planes;for(let n=0;n<6;n++)if(t[n].distanceToPoint(e)<0)return!1;return!0}clone(){return new this.constructor().copy(this)}};function _d(){let r=null,e=!1,t=null,n=null;function i(s,a){t(s,a),n=r.requestAnimationFrame(i)}return{start:function(){e!==!0&&t!==null&&(n=r.requestAnimationFrame(i),e=!0)},stop:function(){r.cancelAnimationFrame(n),e=!1},setAnimationLoop:function(s){t=s},setContext:function(s){r=s}}}function Rg(r,e){let t=e.isWebGL2,n=new WeakMap;function i(c,u){let h=c.array,d=c.usage,f=r.createBuffer();r.bindBuffer(u,f),r.bufferData(u,h,d),c.onUploadCallback();let p=5126;return h instanceof Float32Array?p=5126:h instanceof Float64Array?console.warn("THREE.WebGLAttributes: Unsupported data buffer format: Float64Array."):h instanceof Uint16Array?c.isFloat16BufferAttribute?t?p=5131:console.warn("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2."):p=5123:h instanceof Int16Array?p=5122:h instanceof Uint32Array?p=5125:h instanceof Int32Array?p=5124:h instanceof Int8Array?p=5120:(h instanceof Uint8Array||h instanceof Uint8ClampedArray)&&(p=5121),{buffer:f,type:p,bytesPerElement:h.BYTES_PER_ELEMENT,version:c.version}}function s(c,u,h){let d=u.array,f=u.updateRange;r.bindBuffer(h,c),f.count===-1?r.bufferSubData(h,0,d):(t?r.bufferSubData(h,f.offset*d.BYTES_PER_ELEMENT,d,f.offset,f.count):r.bufferSubData(h,f.offset*d.BYTES_PER_ELEMENT,d.subarray(f.offset,f.offset+f.count)),f.count=-1)}function a(c){return c.isInterleavedBufferAttribute&&(c=c.data),n.get(c)}function o(c){c.isInterleavedBufferAttribute&&(c=c.data);let u=n.get(c);u&&(r.deleteBuffer(u.buffer),n.delete(c))}function l(c,u){if(c.isGLBufferAttribute){let d=n.get(c);(!d||d.versionf+m?(c.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:e.handedness,target:this})):!c.inputState.pinching&&d<=f-m&&(c.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:e.handedness,target:this}))}else l!==null&&e.gripSpace&&(s=t.getPose(e.gripSpace,i),s!==null&&(l.matrix.fromArray(s.transform.matrix),l.matrix.decompose(l.position,l.rotation,l.scale),l.matrixWorldNeedsUpdate=!0,s.linearVelocity?(l.hasLinearVelocity=!0,l.linearVelocity.copy(s.linearVelocity)):l.hasLinearVelocity=!1,s.angularVelocity?(l.hasAngularVelocity=!0,l.angularVelocity.copy(s.angularVelocity)):l.hasAngularVelocity=!1));o!==null&&(n=t.getPose(e.targetRaySpace,i),n===null&&s!==null&&(n=s),n!==null&&(o.matrix.fromArray(n.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),o.matrixWorldNeedsUpdate=!0,n.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(n.linearVelocity)):o.hasLinearVelocity=!1,n.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(n.angularVelocity)):o.hasAngularVelocity=!1,this.dispatchEvent(A0)))}return o!==null&&(o.visible=n!==null),l!==null&&(l.visible=s!==null),c!==null&&(c.visible=a!==null),this}_getHandJoint(e,t){if(e.joints[t.jointName]===void 0){let i=new un;i.matrixAutoUpdate=!1,i.visible=!1,e.joints[t.jointName]=i,e.add(i)}return e.joints[t.jointName]}},zs=class{constructor(e,t=25e-5){this.isFogExp2=!0,this.name="",this.color=new re(e),this.density=t}clone(){return new zs(this.color,this.density)}toJSON(){return{type:"FogExp2",name:this.name,color:this.color.getHex(),density:this.density}}},ks=class{constructor(e,t=1,i=1e3){this.isFog=!0,this.name="",this.color=new re(e),this.near=t,this.far=i}clone(){return new ks(this.color,this.near,this.far)}toJSON(){return{type:"Fog",name:this.name,color:this.color.getHex(),near:this.near,far:this.far}}},Pn=class extends Xe{constructor(){super();this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,this.backgroundRotation=new oi,this.environmentIntensity=1,this.environmentRotation=new oi,this.overrideMaterial=null,typeof __THREE_DEVTOOLS__!="undefined"&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(e,t){return super.copy(e,t),e.background!==null&&(this.background=e.background.clone()),e.environment!==null&&(this.environment=e.environment.clone()),e.fog!==null&&(this.fog=e.fog.clone()),this.backgroundBlurriness=e.backgroundBlurriness,this.backgroundIntensity=e.backgroundIntensity,this.backgroundRotation.copy(e.backgroundRotation),this.environmentIntensity=e.environmentIntensity,this.environmentRotation.copy(e.environmentRotation),e.overrideMaterial!==null&&(this.overrideMaterial=e.overrideMaterial.clone()),this.matrixAutoUpdate=e.matrixAutoUpdate,this}toJSON(e){let t=super.toJSON(e);return this.fog!==null&&(t.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(t.object.backgroundBlurriness=this.backgroundBlurriness),this.backgroundIntensity!==1&&(t.object.backgroundIntensity=this.backgroundIntensity),t.object.backgroundRotation=this.backgroundRotation.toArray(),this.environmentIntensity!==1&&(t.object.environmentIntensity=this.environmentIntensity),t.object.environmentRotation=this.environmentRotation.toArray(),t}},Gs=class{constructor(e,t){this.isInterleavedBuffer=!0,this.array=e,this.stride=t,this.count=e!==void 0?e.length/t:0,this.usage=_s,this.updateRanges=[],this.version=0,this.uuid=Ai()}onUploadCallback(){}set needsUpdate(e){e===!0&&this.version++}setUsage(e){return this.usage=e,this}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}copy(e){return this.array=new e.array.constructor(e.array),this.count=e.count,this.stride=e.stride,this.usage=e.usage,this}copyAt(e,t,i){e*=this.stride,i*=t.stride;for(let n=0,s=this.stride;ne.far||t.push({distance:l,point:wo.clone(),uv:ei.getInterpolation(wo,ql,Ro,Zl,Jp,Zu,$p,new z),face:null,object:this})}copy(e,t){return super.copy(e,t),e.center!==void 0&&this.center.copy(e.center),this.material=e.material,this}};function Ql(r,e,t,i,n,s){Ys.subVectors(r,t).addScalar(.5).multiply(i),n!==void 0?(Co.x=s*Ys.x-n*Ys.y,Co.y=n*Ys.x+s*Ys.y):Co.copy(Ys),r.copy(e),r.x+=Co.x,r.y+=Co.y,r.applyMatrix4(Kp)}var Kl=new b,em=new b,Er=class extends Xe{constructor(){super();this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]},isLOD:{value:!0}}),this.autoUpdate=!0}copy(e){super.copy(e,!1);let t=e.levels;for(let i=0,n=t.length;i0){let i,n;for(i=1,n=t.length;i0){Kl.setFromMatrixPosition(this.matrixWorld);let n=e.ray.origin.distanceTo(Kl);this.getObjectForDistance(n).raycast(e,t)}}update(e){let t=this.levels;if(t.length>1){Kl.setFromMatrixPosition(e.matrixWorld),em.setFromMatrixPosition(this.matrixWorld);let i=Kl.distanceTo(em)/e.zoom;t[0].object.visible=!0;let n,s;for(n=1,s=t.length;n=a)t[n-1].object.visible=!1,t[n].object.visible=!0;else break}for(this._currentLevel=n-1;n1?null:t.copy(e.start).addScaledVector(i,s)}intersectsLine(e){let t=this.distanceToPoint(e.start),i=this.distanceToPoint(e.end);return t<0&&i>0||i<0&&t>0}intersectsBox(e){return e.intersectsPlane(this)}intersectsSphere(e){return e.intersectsPlane(this)}coplanarPoint(e){return e.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(e,t){let i=t||T0.getNormalMatrix(e),n=this.coplanarPoint(Ju).applyMatrix4(e),s=this.normal.applyMatrix3(i).normalize();return this.constant=-n.dot(s),this}translate(e){return this.constant-=e.dot(this.normal),this}equals(e){return e.normal.equals(this.normal)&&e.constant===this.constant}clone(){return new this.constructor().copy(this)}},Mr=new Bt,ic=new b,br=class{constructor(e=new zi,t=new zi,i=new zi,n=new zi,s=new zi,a=new zi){this.planes=[e,t,i,n,s,a]}set(e,t,i,n,s,a){let o=this.planes;return o[0].copy(e),o[1].copy(t),o[2].copy(i),o[3].copy(n),o[4].copy(s),o[5].copy(a),this}copy(e){let t=this.planes;for(let i=0;i<6;i++)t[i].copy(e.planes[i]);return this}setFromProjectionMatrix(e,t=Ni){let i=this.planes,n=e.elements,s=n[0],a=n[1],o=n[2],l=n[3],c=n[4],h=n[5],u=n[6],d=n[7],f=n[8],m=n[9],v=n[10],g=n[11],p=n[12],y=n[13],x=n[14],_=n[15];if(i[0].setComponents(l-s,d-c,g-f,_-p).normalize(),i[1].setComponents(l+s,d+c,g+f,_+p).normalize(),i[2].setComponents(l+a,d+h,g+m,_+y).normalize(),i[3].setComponents(l-a,d-h,g-m,_-y).normalize(),i[4].setComponents(l-o,d-u,g-v,_-x).normalize(),t===Ni)i[5].setComponents(l+o,d+u,g+v,_+x).normalize();else if(t===ys)i[5].setComponents(o,u,v,x).normalize();else throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+t);return this}intersectsObject(e){if(e.boundingSphere!==void 0)e.boundingSphere===null&&e.computeBoundingSphere(),Mr.copy(e.boundingSphere).applyMatrix4(e.matrixWorld);else{let t=e.geometry;t.boundingSphere===null&&t.computeBoundingSphere(),Mr.copy(t.boundingSphere).applyMatrix4(e.matrixWorld)}return this.intersectsSphere(Mr)}intersectsSprite(e){return Mr.center.set(0,0,0),Mr.radius=.7071067811865476,Mr.applyMatrix4(e.matrixWorld),this.intersectsSphere(Mr)}intersectsSphere(e){let t=this.planes,i=e.center,n=-e.radius;for(let s=0;s<6;s++)if(t[s].distanceToPoint(i)0?e.max.x:e.min.x,ic.y=n.normal.y>0?e.max.y:e.min.y,ic.z=n.normal.z>0?e.max.z:e.min.z,n.distanceToPoint(ic)<0)return!1}return!0}containsPoint(e){let t=this.planes;for(let i=0;i<6;i++)if(t[i].distanceToPoint(e)<0)return!1;return!0}clone(){return new this.constructor().copy(this)}};function $u(r,e){return r-e}function w0(r,e){return r.z-e.z}function C0(r,e){return e.z-r.z}var cm=class{constructor(){this.index=0,this.pool=[],this.list=[]}push(e,t,i,n){let s=this.pool,a=this.list;this.index>=s.length&&s.push({start:-1,count:-1,z:-1,index:-1});let o=s[this.index];a.push(o),this.index++,o.start=e,o.count=t,o.z=i,o.index=n}reset(){this.list.length=0,this.index=0}},pi=new Le,R0=new re(1,1,1),ed=new br,nc=new Ht,Tr=new Bt,Uo=new b,hm=new b,D0=new b,td=new cm,ni=new tt,rc=[];function P0(r,e,t=0){let i=e.itemSize;if(r.isInterleavedBufferAttribute||r.array.constructor!==e.array.constructor){let n=r.count;for(let s=0;s65535?new Uint32Array(n):new Uint16Array(n);t.setIndex(new Ce(s,1))}this._geometryInitialized=!0}}_validateGeometry(e){let t=this.geometry;if(Boolean(e.getIndex())!==Boolean(t.getIndex()))throw new Error('THREE.BatchedMesh: All geometries must consistently have "index".');for(let i in t.attributes){if(!e.hasAttribute(i))throw new Error(`THREE.BatchedMesh: Added geometry missing "${i}". All geometries must have consistent attributes.`);let n=e.getAttribute(i),s=t.getAttribute(i);if(n.itemSize!==s.itemSize||n.normalized!==s.normalized)throw new Error("THREE.BatchedMesh: All attributes must have a consistent itemSize and normalized value.")}}validateInstanceId(e){let t=this._instanceInfo;if(e<0||e>=t.length||t[e].active===!1)throw new Error(`THREE.BatchedMesh: Invalid instanceId ${e}. Instance is either out of range or has been deleted.`)}validateGeometryId(e){let t=this._geometryInfo;if(e<0||e>=t.length||t[e].active===!1)throw new Error(`THREE.BatchedMesh: Invalid geometryId ${e}. Geometry is either out of range or has been deleted.`)}setCustomSort(e){return this.customSort=e,this}computeBoundingBox(){this.boundingBox===null&&(this.boundingBox=new Ht);let e=this.boundingBox,t=this._instanceInfo;e.makeEmpty();for(let i=0,n=t.length;i=this.maxInstanceCount&&this._availableInstanceIds.length===0)throw new Error("THREE.BatchedMesh: Maximum item count reached.");let i={visible:!0,active:!0,geometryIndex:e},n=null;this._availableInstanceIds.length>0?(this._availableInstanceIds.sort($u),n=this._availableInstanceIds.shift(),this._instanceInfo[n]=i):(n=this._instanceInfo.length,this._instanceInfo.push(i));let s=this._matricesTexture;pi.identity().toArray(s.image.data,n*16),s.needsUpdate=!0;let a=this._colorsTexture;return a&&(R0.toArray(a.image.data,n*4),a.needsUpdate=!0),this._visibilityChanged=!0,n}addGeometry(e,t=-1,i=-1){this._initializeGeometry(e),this._validateGeometry(e);let n={vertexStart:-1,vertexCount:-1,reservedVertexCount:-1,indexStart:-1,indexCount:-1,reservedIndexCount:-1,start:-1,count:-1,boundingBox:null,boundingSphere:null,active:!0},s=this._geometryInfo;n.vertexStart=this._nextVertexStart,n.reservedVertexCount=t===-1?e.getAttribute("position").count:t;let a=e.getIndex();if(a!==null&&(n.indexStart=this._nextIndexStart,n.reservedIndexCount=i===-1?a.count:i),n.indexStart!==-1&&n.indexStart+n.reservedIndexCount>this._maxIndexCount||n.vertexStart+n.reservedVertexCount>this._maxVertexCount)throw new Error("THREE.BatchedMesh: Reserved space request exceeds the maximum buffer size.");let l;return this._availableGeometryIds.length>0?(this._availableGeometryIds.sort($u),l=this._availableGeometryIds.shift(),s[l]=n):(l=this._geometryCount,this._geometryCount++,s.push(n)),this.setGeometryAt(l,e),this._nextIndexStart=n.indexStart+n.reservedIndexCount,this._nextVertexStart=n.vertexStart+n.reservedVertexCount,l}setGeometryAt(e,t){if(e>=this._geometryCount)throw new Error("THREE.BatchedMesh: Maximum geometry count reached.");this._validateGeometry(t);let i=this.geometry,n=i.getIndex()!==null,s=i.getIndex(),a=t.getIndex(),o=this._geometryInfo[e];if(n&&a.count>o.reservedIndexCount||t.attributes.position.count>o.reservedVertexCount)throw new Error("THREE.BatchedMesh: Reserved space not large enough for provided geometry.");let l=o.vertexStart,c=o.reservedVertexCount;o.vertexCount=t.getAttribute("position").count;for(let h in i.attributes){let u=t.getAttribute(h),d=i.getAttribute(h);P0(u,d,l);let f=u.itemSize;for(let m=u.count,v=c;m=t.length||t[e].active===!1)return this;let i=this._instanceInfo;for(let n=0,s=i.length;no).sort((a,o)=>i[a].vertexStart-i[o].vertexStart),s=this.geometry;for(let a=0,o=i.length;a=this._geometryCount)return null;let i=this.geometry,n=this._geometryInfo[e];if(n.boundingBox===null){let s=new Ht,a=i.index,o=i.attributes.position;for(let l=n.start,c=n.start+n.count;l=this._geometryCount)return null;let i=this.geometry,n=this._geometryInfo[e];if(n.boundingSphere===null){let s=new Bt;this.getBoundingBoxAt(e,nc),nc.getCenter(s.center);let a=i.index,o=i.attributes.position,l=0;for(let c=n.start,h=n.start+n.count;co.active);if(Math.max(...i.map(o=>o.vertexStart+o.reservedVertexCount))>e)throw new Error(`BatchedMesh: Geometry vertex values are being used outside the range ${t}. Cannot shrink further.`);if(this.geometry.index&&Math.max(...i.map(l=>l.indexStart+l.reservedIndexCount))>t)throw new Error(`BatchedMesh: Geometry index values are being used outside the range ${t}. Cannot shrink further.`);let s=this.geometry;s.dispose(),this._maxVertexCount=e,this._maxIndexCount=t,this._geometryInitialized&&(this._geometryInitialized=!1,this.geometry=new we,this._initializeGeometry(s));let a=this.geometry;s.index&&wr(s.index.array,a.index.array);for(let o in s.attributes)wr(s.attributes[o].array,a.attributes[o].array)}raycast(e,t){let i=this._instanceInfo,n=this._geometryInfo,s=this.matrixWorld,a=this.geometry;ni.material=this.material,ni.geometry.index=a.index,ni.geometry.attributes=a.attributes,ni.geometry.boundingBox===null&&(ni.geometry.boundingBox=new Ht),ni.geometry.boundingSphere===null&&(ni.geometry.boundingSphere=new Bt);for(let o=0,l=i.length;oVf(Rh({},t),{boundingBox:t.boundingBox!==null?t.boundingBox.clone():null,boundingSphere:t.boundingSphere!==null?t.boundingSphere.clone():null})),this._instanceInfo=e._instanceInfo.map(t=>Rh({},t)),this._maxInstanceCount=e._maxInstanceCount,this._maxVertexCount=e._maxVertexCount,this._maxIndexCount=e._maxIndexCount,this._geometryInitialized=e._geometryInitialized,this._geometryCount=e._geometryCount,this._multiDrawCounts=e._multiDrawCounts.slice(),this._multiDrawStarts=e._multiDrawStarts.slice(),this._matricesTexture=e._matricesTexture.clone(),this._matricesTexture.image.data=this._matricesTexture.image.data.slice(),this._colorsTexture!==null&&(this._colorsTexture=e._colorsTexture.clone(),this._colorsTexture.image.data=this._colorsTexture.image.data.slice()),this}dispose(){return this.geometry.dispose(),this._matricesTexture.dispose(),this._matricesTexture=null,this._indirectTexture.dispose(),this._indirectTexture=null,this._colorsTexture!==null&&(this._colorsTexture.dispose(),this._colorsTexture=null),this}onBeforeRender(e,t,i,n,s){if(!this._visibilityChanged&&!this.perObjectFrustumCulled&&!this.sortObjects)return;let a=n.getIndex(),o=a===null?1:a.array.BYTES_PER_ELEMENT,l=this._instanceInfo,c=this._multiDrawStarts,h=this._multiDrawCounts,u=this._geometryInfo,d=this.perObjectFrustumCulled,f=this._indirectTexture,m=f.image.data;d&&(pi.multiplyMatrices(i.projectionMatrix,i.matrixWorldInverse).multiply(this.matrixWorld),ed.setFromProjectionMatrix(pi,e.coordinateSystem));let v=0;if(this.sortObjects){pi.copy(this.matrixWorld).invert(),Uo.setFromMatrixPosition(i.matrixWorld).applyMatrix4(pi),hm.set(0,0,-1).transformDirection(i.matrixWorld).transformDirection(pi);for(let y=0,x=l.length;y0){let n=t[i[0]];if(n!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let s=0,a=n.length;si)return;id.applyMatrix4(r.matrixWorld);let c=e.ray.origin.distanceTo(id);if(!(ce.far))return{distance:c,point:dm.clone().applyMatrix4(r.matrixWorld),index:a,face:null,faceIndex:null,barycoord:null,object:r}}var fm=new b,pm=new b,Zt=class extends mi{constructor(e,t){super(e,t);this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){let e=this.geometry;if(e.index===null){let t=e.attributes.position,i=[];for(let n=0,s=t.count;n0){let n=t[i[0]];if(n!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let s=0,a=n.length;sn.far)return;s.push({distance:c,distanceToRay:Math.sqrt(o),point:l,index:e,face:null,faceIndex:null,barycoord:null,object:a})}}var fc=class extends pt{constructor(e,t,i,n,s,a,o,l,c){super(e,t,i,n,s,a,o,l,c);this.isVideoTexture=!0,this.minFilter=a!==void 0?a:xt,this.magFilter=s!==void 0?s:xt,this.generateMipmaps=!1;let h=this;function u(){h.needsUpdate=!0,e.requestVideoFrameCallback(u)}"requestVideoFrameCallback"in e&&e.requestVideoFrameCallback(u)}clone(){return new this.constructor(this.image).copy(this)}update(){let e=this.image;"requestVideoFrameCallback"in e===!1&&e.readyState>=e.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}},rd=class extends fc{constructor(e,t,i,n,s,a,o,l){super({},e,t,i,n,s,a,o,l);this.isVideoFrameTexture=!0}update(){}clone(){return new this.constructor().copy(this)}setFrame(e){this.image=e,this.needsUpdate=!0}},sd=class extends pt{constructor(e,t){super({width:e,height:t});this.isFramebufferTexture=!0,this.magFilter=Vt,this.minFilter=Vt,this.generateMipmaps=!1,this.needsUpdate=!0}},Zs=class extends pt{constructor(e,t,i,n,s,a,o,l,c,h,u,d){super(null,a,o,l,c,h,n,s,u,d);this.isCompressedTexture=!0,this.image={width:t,height:i},this.mipmaps=e,this.flipY=!1,this.generateMipmaps=!1}},ad=class extends 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super.copy(e),this.compareFunction=e.compareFunction,this}toJSON(e){let t=super.toJSON(e);return this.compareFunction!==null&&(t.compareFunction=this.compareFunction),t}},Mi=class{constructor(){this.type="Curve",this.arcLengthDivisions=200}getPoint(){return console.warn("THREE.Curve: .getPoint() not implemented."),null}getPointAt(e,t){let i=this.getUtoTmapping(e);return this.getPoint(i,t)}getPoints(e=5){let t=[];for(let i=0;i<=e;i++)t.push(this.getPoint(i/e));return t}getSpacedPoints(e=5){let t=[];for(let i=0;i<=e;i++)t.push(this.getPointAt(i/e));return t}getLength(){let e=this.getLengths();return e[e.length-1]}getLengths(e=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;let t=[],i,n=this.getPoint(0),s=0;t.push(0);for(let a=1;a<=e;a++)i=this.getPoint(a/e),s+=i.distanceTo(n),t.push(s),n=i;return 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this._clearcoat}set clearcoat(e){this._clearcoat>0!=e>0&&this.version++,this._clearcoat=e}get iridescence(){return this._iridescence}set iridescence(e){this._iridescence>0!=e>0&&this.version++,this._iridescence=e}get dispersion(){return this._dispersion}set dispersion(e){this._dispersion>0!=e>0&&this.version++,this._dispersion=e}get sheen(){return this._sheen}set sheen(e){this._sheen>0!=e>0&&this.version++,this._sheen=e}get transmission(){return this._transmission}set transmission(e){this._transmission>0!=e>0&&this.version++,this._transmission=e}copy(e){return super.copy(e),this.defines={STANDARD:"",PHYSICAL:""},this.anisotropy=e.anisotropy,this.anisotropyRotation=e.anisotropyRotation,this.anisotropyMap=e.anisotropyMap,this.clearcoat=e.clearcoat,this.clearcoatMap=e.clearcoatMap,this.clearcoatRoughness=e.clearcoatRoughness,this.clearcoatRoughnessMap=e.clearcoatRoughnessMap,this.clearcoatNormalMap=e.clearcoatNormalMap,this.clearcoatNormalScale.copy(e.clearcoatNormalScale),this.dispersion=e.dispersion,this.ior=e.ior,this.iridescence=e.iridescence,this.iridescenceMap=e.iridescenceMap,this.iridescenceIOR=e.iridescenceIOR,this.iridescenceThicknessRange=[...e.iridescenceThicknessRange],this.iridescenceThicknessMap=e.iridescenceThicknessMap,this.sheen=e.sheen,this.sheenColor.copy(e.sheenColor),this.sheenColorMap=e.sheenColorMap,this.sheenRoughness=e.sheenRoughness,this.sheenRoughnessMap=e.sheenRoughnessMap,this.transmission=e.transmission,this.transmissionMap=e.transmissionMap,this.thickness=e.thickness,this.thicknessMap=e.thicknessMap,this.attenuationDistance=e.attenuationDistance,this.attenuationColor.copy(e.attenuationColor),this.specularIntensity=e.specularIntensity,this.specularIntensityMap=e.specularIntensityMap,this.specularColor.copy(e.specularColor),this.specularColorMap=e.specularColorMap,this}},ca=class extends St{constructor(e){super();this.isMeshPhongMaterial=!0,this.type="MeshPhongMaterial",this.color=new re(16777215),this.specular=new re(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new re(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=An,this.normalScale=new z(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new oi,this.combine=rs,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.specular.copy(e.specular),this.shininess=e.shininess,this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.envMapRotation.copy(e.envMapRotation),this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.flatShading=e.flatShading,this.fog=e.fog,this}},Ic=class extends St{constructor(e){super();this.isMeshToonMaterial=!0,this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new re(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new re(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=An,this.normalScale=new z(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.gradientMap=e.gradientMap,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.fog=e.fog,this}},Uc=class extends St{constructor(e){super();this.isMeshNormalMaterial=!0,this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=An,this.normalScale=new z(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.flatShading=e.flatShading,this}},Lc=class extends St{constructor(e){super();this.isMeshLambertMaterial=!0,this.type="MeshLambertMaterial",this.color=new re(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new re(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=An,this.normalScale=new z(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new oi,this.combine=rs,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.envMapRotation.copy(e.envMapRotation),this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.flatShading=e.flatShading,this.fog=e.fog,this}},Xo=class extends St{constructor(e){super();this.isMeshDepthMaterial=!0,this.type="MeshDepthMaterial",this.depthPacking=Bi,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.setValues(e)}copy(e){return super.copy(e),this.depthPacking=e.depthPacking,this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this}},Yo=class extends St{constructor(e){super();this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(e)}copy(e){return super.copy(e),this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this}},Bc=class extends St{constructor(e){super();this.isMeshMatcapMaterial=!0,this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new re(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=An,this.normalScale=new z(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.flatShading=!1,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.defines={MATCAP:""},this.color.copy(e.color),this.matcap=e.matcap,this.map=e.map,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.flatShading=e.flatShading,this.fog=e.fog,this}},Oc=class extends _t{constructor(e){super();this.isLineDashedMaterial=!0,this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(e)}copy(e){return super.copy(e),this.scale=e.scale,this.dashSize=e.dashSize,this.gapSize=e.gapSize,this}};function Lr(r,e,t){return!r||!t&&r.constructor===e?r:typeof e.BYTES_PER_ELEMENT=="number"?new e(r):Array.prototype.slice.call(r)}function Tm(r){return ArrayBuffer.isView(r)&&!(r instanceof DataView)}function wm(r){function e(n,s){return r[n]-r[s]}let t=r.length,i=new 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i=0;i0:n.vertexColors=e.vertexColors),e.uniforms!==void 0)for(let s in e.uniforms){let a=e.uniforms[s];switch(n.uniforms[s]={},a.type){case"t":n.uniforms[s].value=i(a.value);break;case"c":n.uniforms[s].value=new re().setHex(a.value);break;case"v2":n.uniforms[s].value=new z().fromArray(a.value);break;case"v3":n.uniforms[s].value=new b().fromArray(a.value);break;case"v4":n.uniforms[s].value=new Qe().fromArray(a.value);break;case"m3":n.uniforms[s].value=new ze().fromArray(a.value);break;case"m4":n.uniforms[s].value=new Le().fromArray(a.value);break;default:n.uniforms[s].value=a.value}}if(e.defines!==void 0&&(n.defines=e.defines),e.vertexShader!==void 0&&(n.vertexShader=e.vertexShader),e.fragmentShader!==void 0&&(n.fragmentShader=e.fragmentShader),e.glslVersion!==void 0&&(n.glslVersion=e.glslVersion),e.extensions!==void 0)for(let s in e.extensions)n.extensions[s]=e.extensions[s];if(e.lights!==void 0&&(n.lights=e.lights),e.clipping!==void 0&&(n.clipping=e.clipping),e.size!==void 0&&(n.size=e.size),e.sizeAttenuation!==void 0&&(n.sizeAttenuation=e.sizeAttenuation),e.map!==void 0&&(n.map=i(e.map)),e.matcap!==void 0&&(n.matcap=i(e.matcap)),e.alphaMap!==void 0&&(n.alphaMap=i(e.alphaMap)),e.bumpMap!==void 0&&(n.bumpMap=i(e.bumpMap)),e.bumpScale!==void 0&&(n.bumpScale=e.bumpScale),e.normalMap!==void 0&&(n.normalMap=i(e.normalMap)),e.normalMapType!==void 0&&(n.normalMapType=e.normalMapType),e.normalScale!==void 0){let s=e.normalScale;Array.isArray(s)===!1&&(s=[s,s]),n.normalScale=new z().fromArray(s)}return e.displacementMap!==void 0&&(n.displacementMap=i(e.displacementMap)),e.displacementScale!==void 0&&(n.displacementScale=e.displacementScale),e.displacementBias!==void 0&&(n.displacementBias=e.displacementBias),e.roughnessMap!==void 0&&(n.roughnessMap=i(e.roughnessMap)),e.metalnessMap!==void 0&&(n.metalnessMap=i(e.metalnessMap)),e.emissiveMap!==void 0&&(n.emissiveMap=i(e.emissiveMap)),e.emissiveIntensity!==void 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t={ShadowMaterial:Rc,SpriteMaterial:Un,RawShaderMaterial:Dc,ShaderMaterial:Ke,PointsMaterial:dn,MeshPhysicalMaterial:Pc,MeshStandardMaterial:Ur,MeshPhongMaterial:ca,MeshToonMaterial:Ic,MeshNormalMaterial:Uc,MeshLambertMaterial:Lc,MeshDepthMaterial:Xo,MeshDistanceMaterial:Yo,MeshBasicMaterial:li,MeshMatcapMaterial:Bc,LineDashedMaterial:Oc,LineBasicMaterial:_t,Material:St};return new t[e]}},Qo=class{static decodeText(e){if(console.warn("THREE.LoaderUtils: decodeText() has been deprecated with r165 and will be removed with r175. 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0&&(a.shadow.bias=e.shadow.bias),e.shadow.normalBias!==void 0&&(a.shadow.normalBias=e.shadow.normalBias),e.shadow.radius!==void 0&&(a.shadow.radius=e.shadow.radius),e.shadow.mapSize!==void 0&&a.shadow.mapSize.fromArray(e.shadow.mapSize),e.shadow.camera!==void 0&&(a.shadow.camera=this.parseObject(e.shadow.camera))),e.visible!==void 0&&(a.visible=e.visible),e.frustumCulled!==void 0&&(a.frustumCulled=e.frustumCulled),e.renderOrder!==void 0&&(a.renderOrder=e.renderOrder),e.userData!==void 0&&(a.userData=e.userData),e.layers!==void 0&&(a.layers.mask=e.layers),e.children!==void 0){let d=e.children;for(let f=0;f{t&&t(c),s.manager.itemEnd(e)}).catch(c=>{n&&n(c)});return}return setTimeout(function(){t&&t(a),s.manager.itemEnd(e)},0),a}let o={};o.credentials=this.crossOrigin==="anonymous"?"same-origin":"include",o.headers=this.requestHeader;let l=fetch(e,o).then(function(c){return c.blob()}).then(function(c){return 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Tt,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new Tt,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(e){let t=this._cache;if(t.focus!==e.focus||t.fov!==e.fov||t.aspect!==e.aspect*this.aspect||t.near!==e.near||t.far!==e.far||t.zoom!==e.zoom||t.eyeSep!==this.eyeSep){t.focus=e.focus,t.fov=e.fov,t.aspect=e.aspect*this.aspect,t.near=e.near,t.far=e.far,t.zoom=e.zoom,t.eyeSep=this.eyeSep,Gr.copy(e.projectionMatrix);let n=t.eyeSep/2,s=n*t.near/t.focus,a=t.near*Math.tan(pr*t.fov*.5)/t.zoom,o,l;Hm.elements[12]=-n,Fm.elements[12]=n,o=-a*t.aspect+s,l=a*t.aspect+s,Gr.elements[0]=2*t.near/(l-o),Gr.elements[8]=(l+o)/(l-o),this.cameraL.projectionMatrix.copy(Gr),o=-a*t.aspect-s,l=a*t.aspect-s,Gr.elements[0]=2*t.near/(l-o),Gr.elements[8]=(l+o)/(l-o),this.cameraR.projectionMatrix.copy(Gr)}this.cameraL.matrixWorld.copy(e.matrixWorld).multiply(Hm),this.cameraR.matrixWorld.copy(e.matrixWorld).multiply(Fm)}},Qc=class extends Tt{constructor(e=[]){super();this.isArrayCamera=!0,this.cameras=e,this.index=0}},Kc=class{constructor(e=!0){this.autoStart=e,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1}start(){this.startTime=zm(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0}stop(){this.getElapsedTime(),this.running=!1,this.autoStart=!1}getElapsedTime(){return this.getDelta(),this.elapsedTime}getDelta(){let e=0;if(this.autoStart&&!this.running)return this.start(),0;if(this.running){let t=zm();e=(t-this.oldTime)/1e3,this.oldTime=t,this.elapsedTime+=e}return e}};function zm(){return performance.now()}var Vr=new b,km=new Ft,hx=new b,Wr=new b,Rd=class extends Xe{constructor(){super();this.type="AudioListener",this.context=Ko.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._clock=new Kc}getInput(){return this.gain}removeFilter(){return this.filter!==null&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(e){return this.filter!==null?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=e,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(e){return this.gain.gain.setTargetAtTime(e,this.context.currentTime,.01),this}updateMatrixWorld(e){super.updateMatrixWorld(e);let t=this.context.listener,i=this.up;if(this.timeDelta=this._clock.getDelta(),this.matrixWorld.decompose(Vr,km,hx),Wr.set(0,0,-1).applyQuaternion(km),t.positionX){let n=this.context.currentTime+this.timeDelta;t.positionX.linearRampToValueAtTime(Vr.x,n),t.positionY.linearRampToValueAtTime(Vr.y,n),t.positionZ.linearRampToValueAtTime(Vr.z,n),t.forwardX.linearRampToValueAtTime(Wr.x,n),t.forwardY.linearRampToValueAtTime(Wr.y,n),t.forwardZ.linearRampToValueAtTime(Wr.z,n),t.upX.linearRampToValueAtTime(i.x,n),t.upY.linearRampToValueAtTime(i.y,n),t.upZ.linearRampToValueAtTime(i.z,n)}else t.setPosition(Vr.x,Vr.y,Vr.z),t.setOrientation(Wr.x,Wr.y,Wr.z,i.x,i.y,i.z)}},Jc=class extends Xe{constructor(e){super();this.type="Audio",this.listener=e,this.context=e.context,this.gain=this.context.createGain(),this.gain.connect(e.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(e){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=e,this.connect(),this}setMediaElementSource(e){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(e),this.connect(),this}setMediaStreamSource(e){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(e),this.connect(),this}setBuffer(e){return this.buffer=e,this.sourceType="buffer",this.autoplay&&this.play(),this}play(e=0){if(this.isPlaying===!0){console.warn("THREE.Audio: Audio is already playing.");return}if(this.hasPlaybackControl===!1){console.warn("THREE.Audio: this Audio has no playback control.");return}this._startedAt=this.context.currentTime+e;let t=this.context.createBufferSource();return t.buffer=this.buffer,t.loop=this.loop,t.loopStart=this.loopStart,t.loopEnd=this.loopEnd,t.onended=this.onEnded.bind(this),t.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=t,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(this.hasPlaybackControl===!1){console.warn("THREE.Audio: this Audio has no playback control.");return}return this.isPlaying===!0&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,this.loop===!0&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this}stop(e=0){if(this.hasPlaybackControl===!1){console.warn("THREE.Audio: this Audio has no playback control.");return}return this._progress=0,this.source!==null&&(this.source.stop(this.context.currentTime+e),this.source.onended=null),this.isPlaying=!1,this}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let e=1,t=this.filters.length;e0){this.source.disconnect(this.filters[0]);for(let e=1,t=this.filters.length;e0&&this._mixBufferRegionAdditive(i,n,this._addIndex*t,1,t);for(let l=t,c=t+t;l!==c;++l)if(i[l]!==i[l+t]){o.setValue(i,n);break}}saveOriginalState(){let e=this.binding,t=this.buffer,i=this.valueSize,n=i*this._origIndex;e.getValue(t,n);for(let s=i,a=n;s!==a;++s)t[s]=t[n+s%i];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){let e=this.valueSize*3;this.binding.setValue(this.buffer,e)}_setAdditiveIdentityNumeric(){let e=this._addIndex*this.valueSize,t=e+this.valueSize;for(let i=e;i=.5)for(let a=0;a!==s;++a)e[t+a]=e[i+a]}_slerp(e,t,i,n){Ft.slerpFlat(e,t,e,t,e,i,n)}_slerpAdditive(e,t,i,n,s){let a=this._workIndex*s;Ft.multiplyQuaternionsFlat(e,a,e,t,e,i),Ft.slerpFlat(e,t,e,t,e,a,n)}_lerp(e,t,i,n,s){let a=1-n;for(let o=0;o!==s;++o){let l=t+o;e[l]=e[l]*a+e[i+o]*n}}_lerpAdditive(e,t,i,n,s){for(let a=0;a!==s;++a){let o=t+a;e[o]=e[o]+e[i+a]*n}}},Id="\\[\\]\\.:\\/",dx=new RegExp("["+Id+"]","g"),Ud="[^"+Id+"]",fx="[^"+Id.replace("\\.","")+"]",px=/((?:WC+[\/:])*)/.source.replace("WC",Ud),mx=/(WCOD+)?/.source.replace("WCOD",fx),gx=/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",Ud),vx=/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",Ud),xx=new RegExp("^"+px+mx+gx+vx+"$"),_x=["material","materials","bones","map"],Vm=class{constructor(e,t,i){let n=i||it.parseTrackName(t);this._targetGroup=e,this._bindings=e.subscribe_(t,n)}getValue(e,t){this.bind();let i=this._targetGroup.nCachedObjects_,n=this._bindings[i];n!==void 0&&n.getValue(e,t)}setValue(e,t){let i=this._bindings;for(let n=this._targetGroup.nCachedObjects_,s=i.length;n!==s;++n)i[n].setValue(e,t)}bind(){let e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,i=e.length;t!==i;++t)e[t].bind()}unbind(){let e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,i=e.length;t!==i;++t)e[t].unbind()}},it=class{constructor(e,t,i){this.path=t,this.parsedPath=i||it.parseTrackName(t),this.node=it.findNode(e,this.parsedPath.nodeName),this.rootNode=e,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(e,t,i){return e&&e.isAnimationObjectGroup?new it.Composite(e,t,i):new it(e,t,i)}static sanitizeNodeName(e){return e.replace(/\s/g,"_").replace(dx,"")}static parseTrackName(e){let t=xx.exec(e);if(t===null)throw new Error("PropertyBinding: Cannot parse trackName: "+e);let i={nodeName:t[2],objectName:t[3],objectIndex:t[4],propertyName:t[5],propertyIndex:t[6]},n=i.nodeName&&i.nodeName.lastIndexOf(".");if(n!==void 0&&n!==-1){let s=i.nodeName.substring(n+1);_x.indexOf(s)!==-1&&(i.nodeName=i.nodeName.substring(0,n),i.objectName=s)}if(i.propertyName===null||i.propertyName.length===0)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+e);return i}static findNode(e,t){if(t===void 0||t===""||t==="."||t===-1||t===e.name||t===e.uuid)return e;if(e.skeleton){let i=e.skeleton.getBoneByName(t);if(i!==void 0)return i}if(e.children){let i=function(s){for(let a=0;a=s){let u=s++,d=e[u];t[d.uuid]=h,e[h]=d,t[c]=u,e[u]=l;for(let f=0,m=n;f!==m;++f){let v=i[f],g=v[u],p=v[h];v[h]=g,v[u]=p}}}this.nCachedObjects_=s}uncache(){let e=this._objects,t=this._indicesByUUID,i=this._bindings,n=i.length,s=this.nCachedObjects_,a=e.length;for(let o=0,l=arguments.length;o!==l;++o){let c=arguments[o],h=c.uuid,u=t[h];if(u!==void 0)if(delete t[h],u0&&(t[f.uuid]=u),e[u]=f,e.pop();for(let m=0,v=n;m!==v;++m){let g=i[m];g[u]=g[d],g.pop()}}}this.nCachedObjects_=s}subscribe_(e,t){let i=this._bindingsIndicesByPath,n=i[e],s=this._bindings;if(n!==void 0)return s[n];let a=this._paths,o=this._parsedPaths,l=this._objects,c=l.length,h=this.nCachedObjects_,u=new Array(c);n=s.length,i[e]=n,a.push(e),o.push(t),s.push(u);for(let d=h,f=l.length;d!==f;++d){let m=l[d];u[d]=new it(m,e,t)}return u}unsubscribe_(e){let t=this._bindingsIndicesByPath,i=t[e];if(i!==void 0){let n=this._paths,s=this._parsedPaths,a=this._bindings,o=a.length-1,l=a[o],c=e[o];t[c]=i,a[i]=l,a.pop(),s[i]=s[o],s.pop(),n[i]=n[o],n.pop()}}},eh=class{constructor(e,t,i=null,n=t.blendMode){this._mixer=e,this._clip=t,this._localRoot=i,this.blendMode=n;let s=t.tracks,a=s.length,o=new Array(a),l={endingStart:Vn,endingEnd:Vn};for(let c=0;c!==a;++c){let h=s[c].createInterpolant(null);o[c]=h,h.settings=l}this._interpolantSettings=l,this._interpolants=o,this._propertyBindings=new Array(a),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=lu,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&this.timeScale!==0&&this._startTime===null&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(e){return this._startTime=e,this}setLoop(e,t){return this.loop=e,this.repetitions=t,this}setEffectiveWeight(e){return this.weight=e,this._effectiveWeight=this.enabled?e:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(e){return this._scheduleFading(e,0,1)}fadeOut(e){return this._scheduleFading(e,1,0)}crossFadeFrom(e,t,i){if(e.fadeOut(t),this.fadeIn(t),i){let n=this._clip.duration,s=e._clip.duration,a=s/n,o=n/s;e.warp(1,a,t),this.warp(o,1,t)}return this}crossFadeTo(e,t,i){return e.crossFadeFrom(this,t,i)}stopFading(){let e=this._weightInterpolant;return e!==null&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}setEffectiveTimeScale(e){return this.timeScale=e,this._effectiveTimeScale=this.paused?0:e,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(e){return this.timeScale=this._clip.duration/e,this.stopWarping()}syncWith(e){return this.time=e.time,this.timeScale=e.timeScale,this.stopWarping()}halt(e){return this.warp(this._effectiveTimeScale,0,e)}warp(e,t,i){let n=this._mixer,s=n.time,a=this.timeScale,o=this._timeScaleInterpolant;o===null&&(o=n._lendControlInterpolant(),this._timeScaleInterpolant=o);let l=o.parameterPositions,c=o.sampleValues;return l[0]=s,l[1]=s+i,c[0]=e/a,c[1]=t/a,this}stopWarping(){let e=this._timeScaleInterpolant;return e!==null&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(e,t,i,n){if(!this.enabled){this._updateWeight(e);return}let s=this._startTime;if(s!==null){let l=(e-s)*i;l<0||i===0?t=0:(this._startTime=null,t=i*l)}t*=this._updateTimeScale(e);let a=this._updateTime(t),o=this._updateWeight(e);if(o>0){let l=this._interpolants,c=this._propertyBindings;switch(this.blendMode){case El:for(let h=0,u=l.length;h!==u;++h)l[h].evaluate(a),c[h].accumulateAdditive(o);break;case go:default:for(let h=0,u=l.length;h!==u;++h)l[h].evaluate(a),c[h].accumulate(n,o)}}}_updateWeight(e){let t=0;if(this.enabled){t=this.weight;let i=this._weightInterpolant;if(i!==null){let n=i.evaluate(e)[0];t*=n,e>i.parameterPositions[1]&&(this.stopFading(),n===0&&(this.enabled=!1))}}return this._effectiveWeight=t,t}_updateTimeScale(e){let t=0;if(!this.paused){t=this.timeScale;let i=this._timeScaleInterpolant;i!==null&&(t*=i.evaluate(e)[0],e>i.parameterPositions[1]&&(this.stopWarping(),t===0?this.paused=!0:this.timeScale=t))}return this._effectiveTimeScale=t,t}_updateTime(e){let t=this._clip.duration,i=this.loop,n=this.time+e,s=this._loopCount,a=i===cu;if(e===0)return s===-1?n:a&&(s&1)==1?t-n:n;if(i===ou){s===-1&&(this._loopCount=0,this._setEndings(!0,!0,!1));e:{if(n>=t)n=t;else if(n<0)n=0;else{this.time=n;break 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n=this._mixer,s=n.time,a=this._weightInterpolant;a===null&&(a=n._lendControlInterpolant(),this._weightInterpolant=a);let o=a.parameterPositions,l=a.sampleValues;return o[0]=s,l[0]=t,o[1]=s+e,l[1]=i,this}},yx=new Float32Array(1),Bd=class extends Wt{constructor(e){super();this._root=e,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(e,t){let i=e._localRoot||this._root,n=e._clip.tracks,s=n.length,a=e._propertyBindings,o=e._interpolants,l=i.uuid,c=this._bindingsByRootAndName,h=c[l];h===void 0&&(h={},c[l]=h);for(let u=0;u!==s;++u){let d=n[u],f=d.name,m=h[f];if(m!==void 0)++m.referenceCount,a[u]=m;else{if(m=a[u],m!==void 0){m._cacheIndex===null&&(++m.referenceCount,this._addInactiveBinding(m,l,f));continue}let v=t&&t._propertyBindings[u].binding.parsedPath;m=new 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e.max.x>=this.min.x&&e.min.x<=this.max.x&&e.max.y>=this.min.y&&e.min.y<=this.max.y}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return this.clampPoint(e,Ym).distanceTo(e)}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}},jm=new b,th=new b,Xd=class{constructor(e=new b,t=new b){this.start=e,this.end=t}set(e,t){return this.start.copy(e),this.end.copy(t),this}copy(e){return this.start.copy(e.start),this.end.copy(e.end),this}getCenter(e){return e.addVectors(this.start,this.end).multiplyScalar(.5)}delta(e){return e.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(e,t){return this.delta(t).multiplyScalar(e).add(this.start)}closestPointToPointParameter(e,t){jm.subVectors(e,this.start),th.subVectors(this.end,this.start);let i=th.dot(th),s=th.dot(jm)/i;return t&&(s=Ge(s,0,1)),s}closestPointToPoint(e,t,i){let n=this.closestPointToPointParameter(e,t);return this.delta(i).multiplyScalar(n).add(this.start)}applyMatrix4(e){return this.start.applyMatrix4(e),this.end.applyMatrix4(e),this}equals(e){return e.start.equals(this.start)&&e.end.equals(this.end)}clone(){return new this.constructor().copy(this)}},qm=new b,Yd=class extends Xe{constructor(e,t){super();this.light=e,this.matrixAutoUpdate=!1,this.color=t,this.type="SpotLightHelper";let i=new we,n=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let a=0,o=1,l=32;a1)for(let u=0;u.99999)this.quaternion.set(0,0,0,1);else if(e.y<-.99999)this.quaternion.set(1,0,0,0);else{eg.set(e.z,0,-e.x).normalize();let t=Math.acos(e.y);this.quaternion.setFromAxisAngle(eg,t)}}setLength(e,t=e*.2,i=t*.2){this.line.scale.set(1,Math.max(1e-4,e-t),1),this.line.updateMatrix(),this.cone.scale.set(i,t,i),this.cone.position.y=e,this.cone.updateMatrix()}setColor(e){this.line.material.color.set(e),this.cone.material.color.set(e)}copy(e){return super.copy(e,!1),this.line.copy(e.line),this.cone.copy(e.cone),this}dispose(){this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}},$o=class extends Zt{constructor(e=1){let t=[0,0,0,e,0,0,0,0,0,0,e,0,0,0,0,0,0,e],i=[1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],n=new we;n.setAttribute("position",new me(t,3)),n.setAttribute("color",new me(i,3));let s=new _t({vertexColors:!0,toneMapped:!1});super(n,s);this.type="AxesHelper"}setColors(e,t,i){let n=new re,s=this.geometry.attributes.color.array;return n.set(e),n.toArray(s,0),n.toArray(s,3),n.set(t),n.toArray(s,6),n.toArray(s,9),n.set(i),n.toArray(s,12),n.toArray(s,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}},af=class{constructor(){this.type="ShapePath",this.color=new re,this.subPaths=[],this.currentPath=null}moveTo(e,t){return this.currentPath=new Rr,this.subPaths.push(this.currentPath),this.currentPath.moveTo(e,t),this}lineTo(e,t){return this.currentPath.lineTo(e,t),this}quadraticCurveTo(e,t,i,n){return this.currentPath.quadraticCurveTo(e,t,i,n),this}bezierCurveTo(e,t,i,n,s,a){return this.currentPath.bezierCurveTo(e,t,i,n,s,a),this}splineThru(e){return this.currentPath.splineThru(e),this}toShapes(e){function t(p){let y=[];for(let x=0,_=p.length;x<_;x++){let D=p[x],T=new Ln;T.curves=D.curves,y.push(T)}return y}function i(p,y){let x=y.length,_=!1;for(let D=x-1,T=0;TNumber.EPSILON){if(A<0&&(R=y[T],M=-M,P=y[D],A=-A),p.yP.y)continue;if(p.y===R.y){if(p.x===R.x)return!0}else{let I=A*(p.x-R.x)-M*(p.y-R.y);if(I===0)return!0;if(I<0)continue;_=!_}}else{if(p.y!==R.y)continue;if(P.x<=p.x&&p.x<=R.x||R.x<=p.x&&p.x<=P.x)return!0}}return _}let n=ki.isClockWise,s=this.subPaths;if(s.length===0)return[];let a,o,l,c=[];if(s.length===1)return o=s[0],l=new Ln,l.curves=o.curves,c.push(l),c;let h=!n(s[0].getPoints());h=e?!h:h;let u=[],d=[],f=[],m=0,v;d[m]=void 0,f[m]=[];for(let p=0,y=s.length;p1){let p=!1,y=0;for(let x=0,_=d.length;x<_;x++)u[x]=[];for(let x=0,_=d.length;x<_;x++){let D=f[x];for(let T=0;T0&&p===!1&&(f=u)}let g;for(let p=0,y=d.length;pe?(r.repeat.x=1,r.repeat.y=t/e,r.offset.x=0,r.offset.y=(1-r.repeat.y)/2):(r.repeat.x=e/t,r.repeat.y=1,r.offset.x=(1-r.repeat.x)/2,r.offset.y=0),r}function Mx(r,e){let t=r.image&&r.image.width?r.image.width/r.image.height:1;return t>e?(r.repeat.x=e/t,r.repeat.y=1,r.offset.x=(1-r.repeat.x)/2,r.offset.y=0):(r.repeat.x=1,r.repeat.y=t/e,r.offset.x=0,r.offset.y=(1-r.repeat.y)/2),r}function bx(r){return r.repeat.x=1,r.repeat.y=1,r.offset.x=0,r.offset.y=0,r}function oh(r,e,t,i){let n=Tx(i);switch(t){case vl:return r*e;case _l:return r*e;case yl:return r*e*2;case Fa:return r*e/n.components*n.byteLength;case hs:return r*e/n.components*n.byteLength;case Al:return r*e*2/n.components*n.byteLength;case Ha:return r*e*2/n.components*n.byteLength;case xl:return r*e*3/n.components*n.byteLength;case Jt:return r*e*4/n.components*n.byteLength;case za:return r*e*4/n.components*n.byteLength;case us:case ds:return Math.floor((r+3)/4)*Math.floor((e+3)/4)*8;case fs:case ps:return Math.floor((r+3)/4)*Math.floor((e+3)/4)*16;case Ga:case Wa:return Math.max(r,16)*Math.max(e,8)/4;case ka:case Va:return Math.max(r,8)*Math.max(e,8)/2;case Xa:case Ya:return Math.floor((r+3)/4)*Math.floor((e+3)/4)*8;case ja:return Math.floor((r+3)/4)*Math.floor((e+3)/4)*16;case qa:return Math.floor((r+3)/4)*Math.floor((e+3)/4)*16;case Za:return Math.floor((r+4)/5)*Math.floor((e+3)/4)*16;case Qa:return Math.floor((r+4)/5)*Math.floor((e+4)/5)*16;case Ka:return Math.floor((r+5)/6)*Math.floor((e+4)/5)*16;case Ja:return Math.floor((r+5)/6)*Math.floor((e+5)/6)*16;case $a:return Math.floor((r+7)/8)*Math.floor((e+4)/5)*16;case eo:return Math.floor((r+7)/8)*Math.floor((e+5)/6)*16;case to:return Math.floor((r+7)/8)*Math.floor((e+7)/8)*16;case io:return Math.floor((r+9)/10)*Math.floor((e+4)/5)*16;case no:return Math.floor((r+9)/10)*Math.floor((e+5)/6)*16;case ro:return Math.floor((r+9)/10)*Math.floor((e+7)/8)*16;case so:return Math.floor((r+9)/10)*Math.floor((e+9)/10)*16;case ao:return Math.floor((r+11)/12)*Math.floor((e+9)/10)*16;case oo:return Math.floor((r+11)/12)*Math.floor((e+11)/12)*16;case ms:case lo:case co:return Math.ceil(r/4)*Math.ceil(e/4)*16;case Sl:case ho:return Math.ceil(r/4)*Math.ceil(e/4)*8;case uo:case fo:return Math.ceil(r/4)*Math.ceil(e/4)*16}throw new Error(`Unable to determine texture byte length for ${t} format.`)}function Tx(r){switch(r){case bt:case pl:return{byteLength:1,components:1};case dr:case ml:case fr:return{byteLength:2,components:1};case Oa:case Na:return{byteLength:2,components:4};case Li:case Ba:case Kt:return{byteLength:4,components:1};case gl:return{byteLength:4,components:3}}throw new Error(`Unknown texture type ${r}.`)}var tg={contain:Ex,cover:Mx,fill:bx,getByteLength:oh};typeof __THREE_DEVTOOLS__!="undefined"&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{detail:{revision:ji}}));typeof window!="undefined"&&(window.__THREE__?console.warn("WARNING: Multiple instances of Three.js being imported."):window.__THREE__=ji);function ig(){let r=null,e=!1,t=null,i=null;function n(s,a){t(s,a),i=r.requestAnimationFrame(n)}return{start:function(){e!==!0&&t!==null&&(i=r.requestAnimationFrame(n),e=!0)},stop:function(){r.cancelAnimationFrame(i),e=!1},setAnimationLoop:function(s){t=s},setContext:function(s){r=s}}}function wx(r){let e=new WeakMap;function t(o,l){let c=o.array,h=o.usage,u=c.byteLength,d=r.createBuffer();r.bindBuffer(l,d),r.bufferData(l,c,h),o.onUploadCallback();let f;if(c instanceof Float32Array)f=r.FLOAT;else if(c instanceof Uint16Array)o.isFloat16BufferAttribute?f=r.HALF_FLOAT:f=r.UNSIGNED_SHORT;else if(c instanceof Int16Array)f=r.SHORT;else if(c instanceof Uint32Array)f=r.UNSIGNED_INT;else if(c instanceof Int32Array)f=r.INT;else if(c instanceof Int8Array)f=r.BYTE;else if(c instanceof Uint8Array)f=r.UNSIGNED_BYTE;else if(c instanceof Uint8ClampedArray)f=r.UNSIGNED_BYTE;else throw new Error("THREE.WebGLAttributes: Unsupported buffer data format: "+c);return{buffer:d,type:f,bytesPerElement:c.BYTES_PER_ELEMENT,version:o.version,size:u}}function i(o,l,c){let h=l.array,u=l.updateRanges;if(r.bindBuffer(c,o),u.length===0)r.bufferSubData(c,0,h);else{u.sort((f,m)=>f.start-m.start);let d=0;for(let f=1;f 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v; - return cross( v1, v2 ) * theta_sintheta; -} -vec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) { - vec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ]; - vec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ]; - vec3 lightNormal = cross( v1, v2 ); - if( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 ); - vec3 T1, T2; - T1 = normalize( V - N * dot( V, N ) ); - T2 = - cross( N, T1 ); - mat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) ); - vec3 coords[ 4 ]; - coords[ 0 ] = mat * ( rectCoords[ 0 ] - P ); - coords[ 1 ] = mat * ( rectCoords[ 1 ] - P ); - coords[ 2 ] = mat * ( rectCoords[ 2 ] - P ); - coords[ 3 ] = mat * ( rectCoords[ 3 ] - P ); - coords[ 0 ] = normalize( coords[ 0 ] ); - coords[ 1 ] = normalize( coords[ 1 ] ); - coords[ 2 ] = normalize( coords[ 2 ] ); - coords[ 3 ] = normalize( coords[ 3 ] ); - vec3 vectorFormFactor = vec3( 0.0 ); - vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] ); - vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] ); - vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] ); - vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] ); - float result = LTC_ClippedSphereFormFactor( vectorFormFactor ); - return vec3( result ); -} -float G_BlinnPhong_Implicit( ) { +#endif`,zx=`float G_BlinnPhong_Implicit( ) { return 0.25; } float D_BlinnPhong( const in float shininess, const in float dotNH ) { @@ -150,41 +159,83 @@ vec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in ve float G = G_BlinnPhong_Implicit( ); float D = D_BlinnPhong( shininess, dotNH ); return F * ( G * D ); -} -#if defined( USE_SHEEN ) -float D_Charlie( float roughness, float dotNH ) { - float alpha = pow2( roughness ); - float invAlpha = 1.0 / alpha; - float cos2h = dotNH * dotNH; - float sin2h = max( 1.0 - cos2h, 0.0078125 ); - return ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI ); -} -float V_Neubelt( float dotNV, float dotNL ) { - return saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) ); -} -vec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) { - vec3 halfDir = normalize( lightDir + viewDir ); - float dotNL = saturate( dot( normal, lightDir ) ); - float dotNV = saturate( dot( normal, viewDir ) ); - float dotNH = saturate( dot( normal, halfDir ) ); - float D = D_Charlie( sheenRoughness, dotNH ); - float V = V_Neubelt( dotNV, dotNL ); - return sheenColor * ( D * V ); -} -#endif`,zg=`#ifdef USE_BUMPMAP +} // validated`,kx=`#ifdef USE_IRIDESCENCE + const mat3 XYZ_TO_REC709 = mat3( + 3.2404542, -0.9692660, 0.0556434, + -1.5371385, 1.8760108, -0.2040259, + -0.4985314, 0.0415560, 1.0572252 + ); + vec3 Fresnel0ToIor( vec3 fresnel0 ) { + vec3 sqrtF0 = sqrt( fresnel0 ); + return ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 ); + } + vec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) { + return pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) ); + } + float IorToFresnel0( float transmittedIor, float incidentIor ) { + return pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor )); + } + vec3 evalSensitivity( float OPD, vec3 shift ) { + float phase = 2.0 * PI * OPD * 1.0e-9; + vec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 ); + vec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 ); + vec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 ); + vec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var ); + xyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) ); + xyz /= 1.0685e-7; + vec3 rgb = XYZ_TO_REC709 * xyz; + return rgb; + } + vec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) { + vec3 I; + float iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) ); + float sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) ); + float cosTheta2Sq = 1.0 - sinTheta2Sq; + if ( cosTheta2Sq < 0.0 ) { + return vec3( 1.0 ); + } + float cosTheta2 = sqrt( cosTheta2Sq ); + float R0 = IorToFresnel0( iridescenceIOR, outsideIOR ); + float R12 = F_Schlick( R0, 1.0, cosTheta1 ); + float T121 = 1.0 - R12; + float phi12 = 0.0; + if ( iridescenceIOR < outsideIOR ) phi12 = PI; + float phi21 = PI - phi12; + vec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) ); vec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR ); + vec3 R23 = F_Schlick( R1, 1.0, cosTheta2 ); + vec3 phi23 = vec3( 0.0 ); + if ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI; + if ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI; + if ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI; + float OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2; + vec3 phi = vec3( phi21 ) + phi23; + vec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 ); + vec3 r123 = sqrt( R123 ); + vec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 ); + vec3 C0 = R12 + Rs; + I = C0; + vec3 Cm = Rs - T121; + for ( int m = 1; m <= 2; ++ m ) { + Cm *= r123; + vec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi ); + I += Cm * Sm; + } + return max( I, vec3( 0.0 ) ); + } +#endif`,Gx=`#ifdef USE_BUMPMAP uniform sampler2D bumpMap; uniform float bumpScale; vec2 dHdxy_fwd() { - vec2 dSTdx = dFdx( vUv ); - vec2 dSTdy = dFdy( vUv ); - float Hll = bumpScale * texture2D( bumpMap, vUv ).x; - float dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll; - float dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll; + vec2 dSTdx = dFdx( vBumpMapUv ); + vec2 dSTdy = dFdy( vBumpMapUv ); + float Hll = bumpScale * texture2D( bumpMap, vBumpMapUv ).x; + float dBx = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdx ).x - Hll; + float dBy = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdy ).x - Hll; return vec2( dBx, dBy ); } vec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) { - vec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) ); - vec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) ); + vec3 vSigmaX = normalize( dFdx( surf_pos.xyz ) ); + vec3 vSigmaY = normalize( dFdy( surf_pos.xyz ) ); vec3 vN = surf_norm; vec3 R1 = cross( vSigmaY, vN ); vec3 R2 = cross( vN, vSigmaX ); @@ -192,46 +243,74 @@ vec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 no vec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 ); return normalize( abs( fDet ) * surf_norm - vGrad ); } -#endif`,Gg=`#if NUM_CLIPPING_PLANES > 0 +#endif`,Vx=`#if NUM_CLIPPING_PLANES > 0 vec4 plane; - #pragma unroll_loop_start - for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) { - plane = clippingPlanes[ i ]; - if ( dot( vClipPosition, plane.xyz ) > plane.w ) discard; - } - #pragma unroll_loop_end - #if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES - bool clipped = true; + #ifdef ALPHA_TO_COVERAGE + float distanceToPlane, distanceGradient; + float clipOpacity = 1.0; #pragma unroll_loop_start - for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) { + for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) { plane = clippingPlanes[ i ]; - clipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped; + distanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w; + distanceGradient = fwidth( distanceToPlane ) / 2.0; + clipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane ); + if ( clipOpacity == 0.0 ) discard; } #pragma unroll_loop_end - if ( clipped ) discard; + #if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES + float unionClipOpacity = 1.0; + #pragma unroll_loop_start + for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) { + plane = clippingPlanes[ i ]; + distanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w; + distanceGradient = fwidth( distanceToPlane ) / 2.0; + unionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane ); + } + #pragma unroll_loop_end + clipOpacity *= 1.0 - unionClipOpacity; + #endif + diffuseColor.a *= clipOpacity; + if ( diffuseColor.a == 0.0 ) discard; + #else + #pragma unroll_loop_start + for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) { + plane = clippingPlanes[ i ]; + if ( dot( vClipPosition, plane.xyz ) > plane.w ) discard; + } + #pragma unroll_loop_end + #if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES + bool clipped = true; + #pragma unroll_loop_start + for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) { + plane = clippingPlanes[ i ]; + clipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped; + } + #pragma unroll_loop_end + if ( clipped ) discard; + #endif #endif -#endif`,kg=`#if NUM_CLIPPING_PLANES > 0 +#endif`,Wx=`#if NUM_CLIPPING_PLANES > 0 varying vec3 vClipPosition; uniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ]; -#endif`,Vg=`#if NUM_CLIPPING_PLANES > 0 +#endif`,Xx=`#if NUM_CLIPPING_PLANES > 0 varying vec3 vClipPosition; -#endif`,Wg=`#if NUM_CLIPPING_PLANES > 0 +#endif`,Yx=`#if NUM_CLIPPING_PLANES > 0 vClipPosition = - mvPosition.xyz; -#endif`,Yg=`#if defined( USE_COLOR_ALPHA ) +#endif`,jx=`#if defined( USE_COLOR_ALPHA ) diffuseColor *= vColor; #elif defined( USE_COLOR ) diffuseColor.rgb *= vColor; -#endif`,jg=`#if defined( USE_COLOR_ALPHA ) +#endif`,qx=`#if defined( USE_COLOR_ALPHA ) varying vec4 vColor; #elif defined( USE_COLOR ) varying vec3 vColor; -#endif`,Xg=`#if defined( USE_COLOR_ALPHA ) +#endif`,Zx=`#if defined( USE_COLOR_ALPHA ) varying vec4 vColor; -#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) +#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR ) varying vec3 vColor; -#endif`,Qg=`#if defined( USE_COLOR_ALPHA ) +#endif`,Qx=`#if defined( USE_COLOR_ALPHA ) vColor = vec4( 1.0 ); -#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) +#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR ) vColor = vec3( 1.0 ); #endif #ifdef USE_COLOR @@ -239,7 +318,11 @@ vec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 no #endif #ifdef USE_INSTANCING_COLOR vColor.xyz *= instanceColor.xyz; -#endif`,qg=`#define PI 3.141592653589793 +#endif +#ifdef USE_BATCHING_COLOR + vec3 batchingColor = getBatchingColor( getIndirectIndex( gl_DrawID ) ); + vColor.xyz *= batchingColor.xyz; +#endif`,Kx=`#define PI 3.141592653589793 #define PI2 6.283185307179586 #define PI_HALF 1.5707963267948966 #define RECIPROCAL_PI 0.3183098861837907 @@ -250,10 +333,11 @@ vec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 no #endif #define whiteComplement( a ) ( 1.0 - saturate( a ) ) float pow2( const in float x ) { return x*x; } +vec3 pow2( const in vec3 x ) { return x*x; } float pow3( const in float x ) { return x*x*x; } float pow4( const in float x ) { float x2 = x*x; return x2*x2; } float max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); } -float average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); } +float average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); } highp float rand( const in vec2 uv ) { const highp float a = 12.9898, b = 78.233, c = 43758.5453; highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI ); @@ -278,14 +362,9 @@ struct ReflectedLight { vec3 indirectDiffuse; vec3 indirectSpecular; }; -struct GeometricContext { - vec3 position; - vec3 normal; - vec3 viewDir; -#ifdef USE_CLEARCOAT - vec3 clearcoatNormal; +#ifdef USE_ALPHAHASH + varying vec3 vPosition; #endif -}; vec3 transformDirection( in vec3 dir, in mat4 matrix ) { return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz ); } @@ -299,10 +378,6 @@ mat3 transposeMat3( const in mat3 m ) { tmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z ); return tmp; } -float linearToRelativeLuminance( const in vec3 color ) { - vec3 weights = vec3( 0.2126, 0.7152, 0.0722 ); - return dot( weights, color.rgb ); -} bool isPerspectiveMatrix( mat4 m ) { return m[ 2 ][ 3 ] == - 1.0; } @@ -310,10 +385,19 @@ vec2 equirectUv( in vec3 dir ) { float u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5; float v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5; return vec2( u, v ); -}`,Zg=`#ifdef ENVMAP_TYPE_CUBE_UV - #define cubeUV_maxMipLevel 8.0 +} +vec3 BRDF_Lambert( const in vec3 diffuseColor ) { + return RECIPROCAL_PI * diffuseColor; +} +vec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) { + float fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH ); + return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel ); +} +float F_Schlick( const in float f0, const in float f90, const in float dotVH ) { + float fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH ); + return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel ); +} // validated`,Jx=`#ifdef ENVMAP_TYPE_CUBE_UV #define cubeUV_minMipLevel 4.0 - #define cubeUV_maxTileSize 256.0 #define cubeUV_minTileSize 16.0 float getFace( vec3 direction ) { vec3 absDirection = abs( direction ); @@ -353,63 +437,48 @@ vec2 equirectUv( in vec3 dir ) { float filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 ); mipInt = max( mipInt, cubeUV_minMipLevel ); float faceSize = exp2( mipInt ); - float texelSize = 1.0 / ( 3.0 * cubeUV_maxTileSize ); - vec2 uv = getUV( direction, face ) * ( faceSize - 1.0 ); - vec2 f = fract( uv ); - uv += 0.5 - f; + highp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0; if ( face > 2.0 ) { uv.y += faceSize; face -= 3.0; } uv.x += face * faceSize; - if ( mipInt < cubeUV_maxMipLevel ) { - uv.y += 2.0 * cubeUV_maxTileSize; - } - uv.y += filterInt * 2.0 * cubeUV_minTileSize; - uv.x += 3.0 * max( 0.0, cubeUV_maxTileSize - 2.0 * faceSize ); - uv *= texelSize; - vec3 tl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb; - uv.x += texelSize; - vec3 tr = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb; - uv.y += texelSize; - vec3 br = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb; - uv.x -= texelSize; - vec3 bl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb; - vec3 tm = mix( tl, tr, f.x ); - vec3 bm = mix( bl, br, f.x ); - return mix( tm, bm, f.y ); - } - #define r0 1.0 - #define v0 0.339 - #define m0 - 2.0 - #define r1 0.8 - #define v1 0.276 - #define m1 - 1.0 - #define r4 0.4 - #define v4 0.046 - #define m4 2.0 - #define r5 0.305 - #define v5 0.016 - #define m5 3.0 - #define r6 0.21 - #define v6 0.0038 - #define m6 4.0 + uv.x += filterInt * 3.0 * cubeUV_minTileSize; + uv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize ); + uv.x *= CUBEUV_TEXEL_WIDTH; + uv.y *= CUBEUV_TEXEL_HEIGHT; + #ifdef texture2DGradEXT + return texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb; + #else + return texture2D( envMap, uv ).rgb; + #endif + } + #define cubeUV_r0 1.0 + #define cubeUV_m0 - 2.0 + #define cubeUV_r1 0.8 + #define cubeUV_m1 - 1.0 + #define cubeUV_r4 0.4 + #define cubeUV_m4 2.0 + #define cubeUV_r5 0.305 + #define cubeUV_m5 3.0 + #define cubeUV_r6 0.21 + #define cubeUV_m6 4.0 float roughnessToMip( float roughness ) { float mip = 0.0; - if ( roughness >= r1 ) { - mip = ( r0 - roughness ) * ( m1 - m0 ) / ( r0 - r1 ) + m0; - } else if ( roughness >= r4 ) { - mip = ( r1 - roughness ) * ( m4 - m1 ) / ( r1 - r4 ) + m1; - } else if ( roughness >= r5 ) { - mip = ( r4 - roughness ) * ( m5 - m4 ) / ( r4 - r5 ) + m4; - } else if ( roughness >= r6 ) { - mip = ( r5 - roughness ) * ( m6 - m5 ) / ( r5 - r6 ) + m5; + if ( roughness >= cubeUV_r1 ) { + mip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0; + } else if ( roughness >= cubeUV_r4 ) { + mip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1; + } else if ( roughness >= cubeUV_r5 ) { + mip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4; + } else if ( roughness >= cubeUV_r6 ) { + mip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5; } else { mip = - 2.0 * log2( 1.16 * roughness ); } return mip; } vec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) { - float mip = clamp( roughnessToMip( roughness ), m0, cubeUV_maxMipLevel ); + float mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP ); float mipF = fract( mip ); float mipInt = floor( mip ); vec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt ); @@ -420,75 +489,58 @@ vec2 equirectUv( in vec3 dir ) { return vec4( mix( color0, color1, mipF ), 1.0 ); } } -#endif`,Jg=`vec3 transformedNormal = objectNormal; +#endif`,$x=`vec3 transformedNormal = objectNormal; +#ifdef USE_TANGENT + vec3 transformedTangent = objectTangent; +#endif +#ifdef USE_BATCHING + mat3 bm = mat3( batchingMatrix ); + transformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) ); + transformedNormal = bm * transformedNormal; + #ifdef USE_TANGENT + transformedTangent = bm * transformedTangent; + #endif +#endif #ifdef USE_INSTANCING - mat3 m = mat3( instanceMatrix ); - transformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) ); - transformedNormal = m * transformedNormal; + mat3 im = mat3( instanceMatrix ); + transformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) ); + transformedNormal = im * transformedNormal; + #ifdef USE_TANGENT + transformedTangent = im * transformedTangent; + #endif #endif transformedNormal = normalMatrix * transformedNormal; #ifdef FLIP_SIDED transformedNormal = - transformedNormal; #endif #ifdef USE_TANGENT - vec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz; + transformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz; #ifdef FLIP_SIDED transformedTangent = - transformedTangent; #endif -#endif`,Kg=`#ifdef USE_DISPLACEMENTMAP +#endif`,e_=`#ifdef USE_DISPLACEMENTMAP uniform sampler2D displacementMap; uniform float displacementScale; uniform float displacementBias; -#endif`,$g=`#ifdef USE_DISPLACEMENTMAP - transformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias ); -#endif`,ev=`#ifdef USE_EMISSIVEMAP - vec4 emissiveColor = texture2D( emissiveMap, vUv ); - emissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb; +#endif`,t_=`#ifdef USE_DISPLACEMENTMAP + transformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias ); +#endif`,i_=`#ifdef USE_EMISSIVEMAP + vec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv ); + #ifdef DECODE_VIDEO_TEXTURE_EMISSIVE + emissiveColor = sRGBTransferEOTF( emissiveColor ); + #endif totalEmissiveRadiance *= emissiveColor.rgb; -#endif`,tv=`#ifdef USE_EMISSIVEMAP +#endif`,n_=`#ifdef USE_EMISSIVEMAP uniform sampler2D emissiveMap; -#endif`,nv="gl_FragColor = linearToOutputTexel( gl_FragColor );",iv=` -vec4 LinearToLinear( in vec4 value ) { +#endif`,r_="gl_FragColor = linearToOutputTexel( gl_FragColor );",s_=`vec4 LinearTransferOETF( in vec4 value ) { return value; } -vec4 GammaToLinear( in vec4 value, in float gammaFactor ) { - return vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a ); -} -vec4 LinearToGamma( in vec4 value, in float gammaFactor ) { - return vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a ); -} -vec4 sRGBToLinear( in vec4 value ) { +vec4 sRGBTransferEOTF( in vec4 value ) { return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a ); } -vec4 LinearTosRGB( in vec4 value ) { +vec4 sRGBTransferOETF( in vec4 value ) { return vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a ); -} -vec4 RGBEToLinear( in vec4 value ) { - return vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 ); -} -vec4 LinearToRGBE( in vec4 value ) { - float maxComponent = max( max( value.r, value.g ), value.b ); - float fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 ); - return vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 ); -} -vec4 RGBMToLinear( in vec4 value, in float maxRange ) { - return vec4( value.rgb * value.a * maxRange, 1.0 ); -} -vec4 LinearToRGBM( in vec4 value, in float maxRange ) { - float maxRGB = max( value.r, max( value.g, value.b ) ); - float M = clamp( maxRGB / maxRange, 0.0, 1.0 ); - M = ceil( M * 255.0 ) / 255.0; - return vec4( value.rgb / ( M * maxRange ), M ); -} -vec4 RGBDToLinear( in vec4 value, in float maxRange ) { - return vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 ); -} -vec4 LinearToRGBD( in vec4 value, in float maxRange ) { - float maxRGB = max( value.r, max( value.g, value.b ) ); - float D = max( maxRange / maxRGB, 1.0 ); - D = clamp( floor( D ) / 255.0, 0.0, 1.0 ); - return vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D ); -}`,rv=`#ifdef USE_ENVMAP +}`,a_=`#ifdef USE_ENVMAP #ifdef ENV_WORLDPOS vec3 cameraToFrag; if ( isOrthographic ) { @@ -506,10 +558,7 @@ vec4 LinearToRGBD( in vec4 value, in float maxRange ) { vec3 reflectVec = vReflect; #endif #ifdef ENVMAP_TYPE_CUBE - vec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) ); - envColor = envMapTexelToLinear( envColor ); - #elif defined( ENVMAP_TYPE_CUBE_UV ) - vec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 ); + vec4 envColor = textureCube( envMap, envMapRotation * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) ); #else vec4 envColor = vec4( 0.0 ); #endif @@ -520,18 +569,19 @@ vec4 LinearToRGBD( in vec4 value, in float maxRange ) { #elif defined( ENVMAP_BLENDING_ADD ) outgoingLight += envColor.xyz * specularStrength * reflectivity; #endif -#endif`,sv=`#ifdef USE_ENVMAP +#endif`,o_=`#ifdef USE_ENVMAP uniform float envMapIntensity; uniform float flipEnvMap; + uniform mat3 envMapRotation; #ifdef ENVMAP_TYPE_CUBE uniform samplerCube envMap; #else uniform sampler2D envMap; #endif -#endif`,av=`#ifdef USE_ENVMAP +#endif`,l_=`#ifdef USE_ENVMAP uniform float reflectivity; - #if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) + #if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT ) #define ENV_WORLDPOS #endif #ifdef ENV_WORLDPOS @@ -540,8 +590,8 @@ vec4 LinearToRGBD( in vec4 value, in float maxRange ) { #else varying vec3 vReflect; #endif -#endif`,ov=`#ifdef USE_ENVMAP - #if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG ) +#endif`,c_=`#ifdef USE_ENVMAP + #if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT ) #define ENV_WORLDPOS #endif #ifdef ENV_WORLDPOS @@ -551,7 +601,7 @@ vec4 LinearToRGBD( in vec4 value, in float maxRange ) { varying vec3 vReflect; uniform float refractionRatio; #endif -#endif`,lv=`#ifdef USE_ENVMAP +#endif`,h_=`#ifdef USE_ENVMAP #ifdef ENV_WORLDPOS vWorldPosition = worldPosition.xyz; #else @@ -568,18 +618,18 @@ vec4 LinearToRGBD( in vec4 value, in float maxRange ) { vReflect = refract( cameraToVertex, worldNormal, refractionRatio ); #endif #endif -#endif`,cv=`#ifdef USE_FOG +#endif`,u_=`#ifdef USE_FOG vFogDepth = - mvPosition.z; -#endif`,uv=`#ifdef USE_FOG +#endif`,d_=`#ifdef USE_FOG varying float vFogDepth; -#endif`,hv=`#ifdef USE_FOG +#endif`,f_=`#ifdef USE_FOG #ifdef FOG_EXP2 float fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth ); #else float fogFactor = smoothstep( fogNear, fogFar, vFogDepth ); #endif gl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor ); -#endif`,dv=`#ifdef USE_FOG +#endif`,p_=`#ifdef USE_FOG uniform vec3 fogColor; varying float vFogDepth; #ifdef FOG_EXP2 @@ -588,102 +638,42 @@ vec4 LinearToRGBD( in vec4 value, in float maxRange ) { uniform float fogNear; uniform float fogFar; #endif -#endif`,fv=`#ifdef USE_GRADIENTMAP +#endif`,m_=`#ifdef USE_GRADIENTMAP uniform sampler2D gradientMap; #endif vec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) { float dotNL = dot( normal, lightDirection ); vec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 ); #ifdef USE_GRADIENTMAP - return texture2D( gradientMap, coord ).rgb; + return vec3( texture2D( gradientMap, coord ).r ); #else - return ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 ); + vec2 fw = fwidth( coord ) * 0.5; + return mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) ); #endif -}`,pv=`#ifdef USE_LIGHTMAP - vec4 lightMapTexel = texture2D( lightMap, vUv2 ); - vec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity; - #ifndef PHYSICALLY_CORRECT_LIGHTS - lightMapIrradiance *= PI; - #endif - reflectedLight.indirectDiffuse += lightMapIrradiance; -#endif`,mv=`#ifdef USE_LIGHTMAP +}`,g_=`#ifdef USE_LIGHTMAP uniform sampler2D lightMap; uniform float lightMapIntensity; -#endif`,gv=`vec3 diffuse = vec3( 1.0 ); -GeometricContext geometry; -geometry.position = mvPosition.xyz; -geometry.normal = normalize( transformedNormal ); -geometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz ); -GeometricContext backGeometry; -backGeometry.position = geometry.position; -backGeometry.normal = -geometry.normal; -backGeometry.viewDir = geometry.viewDir; -vLightFront = vec3( 0.0 ); -vIndirectFront = vec3( 0.0 ); -#ifdef DOUBLE_SIDED - vLightBack = vec3( 0.0 ); - vIndirectBack = vec3( 0.0 ); -#endif -IncidentLight directLight; -float dotNL; -vec3 directLightColor_Diffuse; -vIndirectFront += getAmbientLightIrradiance( ambientLightColor ); -vIndirectFront += getLightProbeIrradiance( lightProbe, geometry.normal ); -#ifdef DOUBLE_SIDED - vIndirectBack += getAmbientLightIrradiance( ambientLightColor ); - vIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry.normal ); -#endif -#if NUM_POINT_LIGHTS > 0 - #pragma unroll_loop_start - for ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) { - getPointLightInfo( pointLights[ i ], geometry, directLight ); - dotNL = dot( geometry.normal, directLight.direction ); - directLightColor_Diffuse = directLight.color; - vLightFront += saturate( dotNL ) * directLightColor_Diffuse; - #ifdef DOUBLE_SIDED - vLightBack += saturate( - dotNL ) * directLightColor_Diffuse; - #endif - } - #pragma unroll_loop_end -#endif -#if NUM_SPOT_LIGHTS > 0 - #pragma unroll_loop_start - for ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) { - getSpotLightInfo( spotLights[ i ], geometry, directLight ); - dotNL = dot( geometry.normal, directLight.direction ); - directLightColor_Diffuse = directLight.color; - vLightFront += saturate( dotNL ) * directLightColor_Diffuse; - #ifdef DOUBLE_SIDED - vLightBack += saturate( - dotNL ) * directLightColor_Diffuse; - #endif - } - #pragma unroll_loop_end -#endif -#if NUM_DIR_LIGHTS > 0 - #pragma unroll_loop_start - for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) { - getDirectionalLightInfo( directionalLights[ i ], geometry, directLight ); - dotNL = dot( geometry.normal, directLight.direction ); - directLightColor_Diffuse = directLight.color; - vLightFront += saturate( dotNL ) * directLightColor_Diffuse; - #ifdef DOUBLE_SIDED - vLightBack += saturate( - dotNL ) * directLightColor_Diffuse; - #endif - } - #pragma unroll_loop_end -#endif -#if NUM_HEMI_LIGHTS > 0 - #pragma unroll_loop_start - for ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) { - vIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal ); - #ifdef DOUBLE_SIDED - vIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry.normal ); - #endif - } - #pragma unroll_loop_end -#endif`,vv=`uniform bool receiveShadow; +#endif`,v_=`LambertMaterial material; +material.diffuseColor = diffuseColor.rgb; +material.specularStrength = specularStrength;`,x_=`varying vec3 vViewPosition; +struct LambertMaterial { + vec3 diffuseColor; + float specularStrength; +}; +void RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) { + float dotNL = saturate( dot( geometryNormal, directLight.direction ) ); + vec3 irradiance = dotNL * directLight.color; + reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); +} +void RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) { + reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); +} +#define RE_Direct RE_Direct_Lambert +#define RE_IndirectDiffuse RE_IndirectDiffuse_Lambert`,__=`uniform bool receiveShadow; uniform vec3 ambientLightColor; -uniform vec3 lightProbe[ 9 ]; +#if defined( USE_LIGHT_PROBES ) + uniform vec3 lightProbe[ 9 ]; +#endif vec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) { float x = normal.x, y = normal.y, z = normal.z; vec3 result = shCoefficients[ 0 ] * 0.886227; @@ -707,18 +697,11 @@ vec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) { return irradiance; } float getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) { - #if defined ( PHYSICALLY_CORRECT_LIGHTS ) - float distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 ); - if ( cutoffDistance > 0.0 ) { - distanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) ); - } - return distanceFalloff; - #else - if ( cutoffDistance > 0.0 && decayExponent > 0.0 ) { - return pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent ); - } - return 1.0; - #endif + float distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 ); + if ( cutoffDistance > 0.0 ) { + distanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) ); + } + return distanceFalloff; } float getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) { return smoothstep( coneCosine, penumbraCosine, angleCosine ); @@ -729,7 +712,7 @@ float getSpotAttenuation( const in float coneCosine, const in float penumbraCosi vec3 color; }; uniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ]; - void getDirectionalLightInfo( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight light ) { + void getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) { light.color = directionalLight.color; light.direction = directionalLight.direction; light.visible = true; @@ -743,8 +726,8 @@ float getSpotAttenuation( const in float coneCosine, const in float penumbraCosi float decay; }; uniform PointLight pointLights[ NUM_POINT_LIGHTS ]; - void getPointLightInfo( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight light ) { - vec3 lVector = pointLight.position - geometry.position; + void getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) { + vec3 lVector = pointLight.position - geometryPosition; light.direction = normalize( lVector ); float lightDistance = length( lVector ); light.color = pointLight.color; @@ -763,8 +746,8 @@ float getSpotAttenuation( const in float coneCosine, const in float penumbraCosi float penumbraCos; }; uniform SpotLight spotLights[ NUM_SPOT_LIGHTS ]; - void getSpotLightInfo( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight light ) { - vec3 lVector = spotLight.position - geometry.position; + void getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) { + vec3 lVector = spotLight.position - geometryPosition; light.direction = normalize( lVector ); float angleCos = dot( light.direction, spotLight.direction ); float spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos ); @@ -802,86 +785,89 @@ float getSpotAttenuation( const in float coneCosine, const in float penumbraCosi vec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight ); return irradiance; } -#endif`,xv=`#if defined( USE_ENVMAP ) - #ifdef ENVMAP_MODE_REFRACTION - uniform float refractionRatio; - #endif +#endif`,y_=`#ifdef USE_ENVMAP vec3 getIBLIrradiance( const in vec3 normal ) { - #if defined( ENVMAP_TYPE_CUBE_UV ) + #ifdef ENVMAP_TYPE_CUBE_UV vec3 worldNormal = inverseTransformDirection( normal, viewMatrix ); - vec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 ); + vec4 envMapColor = textureCubeUV( envMap, envMapRotation * worldNormal, 1.0 ); return PI * envMapColor.rgb * envMapIntensity; #else return vec3( 0.0 ); #endif } vec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) { - #if defined( ENVMAP_TYPE_CUBE_UV ) - vec3 reflectVec; - #ifdef ENVMAP_MODE_REFLECTION - reflectVec = reflect( - viewDir, normal ); - reflectVec = normalize( mix( reflectVec, normal, roughness * roughness) ); - #else - reflectVec = refract( - viewDir, normal, refractionRatio ); - #endif + #ifdef ENVMAP_TYPE_CUBE_UV + vec3 reflectVec = reflect( - viewDir, normal ); + reflectVec = normalize( mix( reflectVec, normal, roughness * roughness) ); reflectVec = inverseTransformDirection( reflectVec, viewMatrix ); - vec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness ); + vec4 envMapColor = textureCubeUV( envMap, envMapRotation * reflectVec, roughness ); return envMapColor.rgb * envMapIntensity; #else return vec3( 0.0 ); #endif } -#endif`,yv=`ToonMaterial material; -material.diffuseColor = diffuseColor.rgb;`,wv=`varying vec3 vViewPosition; + #ifdef USE_ANISOTROPY + vec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) { + #ifdef ENVMAP_TYPE_CUBE_UV + vec3 bentNormal = cross( bitangent, viewDir ); + bentNormal = normalize( cross( bentNormal, bitangent ) ); + bentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) ); + return getIBLRadiance( viewDir, bentNormal, roughness ); + #else + return vec3( 0.0 ); + #endif + } + #endif +#endif`,A_=`ToonMaterial material; +material.diffuseColor = diffuseColor.rgb;`,S_=`varying vec3 vViewPosition; struct ToonMaterial { vec3 diffuseColor; }; -void RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) { - vec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color; +void RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) { + vec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color; reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); } -void RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) { +void RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) { reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); } #define RE_Direct RE_Direct_Toon -#define RE_IndirectDiffuse RE_IndirectDiffuse_Toon -#define Material_LightProbeLOD( material ) (0)`,bv=`BlinnPhongMaterial material; +#define RE_IndirectDiffuse RE_IndirectDiffuse_Toon`,E_=`BlinnPhongMaterial material; material.diffuseColor = diffuseColor.rgb; material.specularColor = specular; material.specularShininess = shininess; -material.specularStrength = specularStrength;`,Av=`varying vec3 vViewPosition; +material.specularStrength = specularStrength;`,M_=`varying vec3 vViewPosition; struct BlinnPhongMaterial { vec3 diffuseColor; vec3 specularColor; float specularShininess; float specularStrength; }; -void RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) { - float dotNL = saturate( dot( geometry.normal, directLight.direction ) ); +void RE_Direct_BlinnPhong( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) { + float dotNL = saturate( dot( geometryNormal, directLight.direction ) ); vec3 irradiance = dotNL * directLight.color; reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); - reflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularShininess ) * material.specularStrength; + reflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength; } -void RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) { +void RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) { reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); } #define RE_Direct RE_Direct_BlinnPhong -#define RE_IndirectDiffuse RE_IndirectDiffuse_BlinnPhong -#define Material_LightProbeLOD( material ) (0)`,Ev=`PhysicalMaterial material; +#define RE_IndirectDiffuse RE_IndirectDiffuse_BlinnPhong`,b_=`PhysicalMaterial material; material.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor ); -vec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) ); +vec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) ); float geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z ); material.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness; material.roughness = min( material.roughness, 1.0 ); #ifdef IOR - #ifdef SPECULAR + material.ior = ior; + #ifdef USE_SPECULAR float specularIntensityFactor = specularIntensity; vec3 specularColorFactor = specularColor; - #ifdef USE_SPECULARINTENSITYMAP - specularIntensityFactor *= texture2D( specularIntensityMap, vUv ).a; + #ifdef USE_SPECULAR_COLORMAP + specularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb; #endif - #ifdef USE_SPECULARCOLORMAP - specularColorFactor *= specularColorMapTexelToLinear( texture2D( specularColorMap, vUv ) ).rgb; + #ifdef USE_SPECULAR_INTENSITYMAP + specularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a; #endif material.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor ); #else @@ -889,7 +875,7 @@ material.roughness = min( material.roughness, 1.0 ); vec3 specularColorFactor = vec3( 1.0 ); material.specularF90 = 1.0; #endif - material.specularColor = mix( min( pow2( ( ior - 1.0 ) / ( ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor ); + material.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor ); #else material.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor ); material.specularF90 = 1.0; @@ -900,41 +886,257 @@ material.roughness = min( material.roughness, 1.0 ); material.clearcoatF0 = vec3( 0.04 ); material.clearcoatF90 = 1.0; #ifdef USE_CLEARCOATMAP - material.clearcoat *= texture2D( clearcoatMap, vUv ).x; + material.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x; #endif #ifdef USE_CLEARCOAT_ROUGHNESSMAP - material.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y; + material.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y; #endif material.clearcoat = saturate( material.clearcoat ); material.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 ); material.clearcoatRoughness += geometryRoughness; material.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 ); #endif -#ifdef USE_SHEEN - material.sheenColor = sheenColor; - #ifdef USE_SHEENCOLORMAP - material.sheenColor *= sheenColorMapTexelToLinear( texture2D( sheenColorMap, vUv ) ).rgb; - #endif - material.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 ); - #ifdef USE_SHEENROUGHNESSMAP - material.sheenRoughness *= texture2D( sheenRoughnessMap, vUv ).a; - #endif -#endif`,Mv=`struct PhysicalMaterial { - vec3 diffuseColor; - float roughness; - vec3 specularColor; - float specularF90; - #ifdef USE_CLEARCOAT - float clearcoat; - float clearcoatRoughness; - vec3 clearcoatF0; - float clearcoatF90; - #endif - #ifdef USE_SHEEN - vec3 sheenColor; - float sheenRoughness; - #endif -}; -vec3 clearcoatSpecular = vec3( 0.0 ); +#ifdef USE_DISPERSION + material.dispersion = dispersion; +#endif +#ifdef USE_IRIDESCENCE + material.iridescence = iridescence; + material.iridescenceIOR = iridescenceIOR; + #ifdef USE_IRIDESCENCEMAP + material.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r; + #endif + #ifdef USE_IRIDESCENCE_THICKNESSMAP + material.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum; + #else + material.iridescenceThickness = iridescenceThicknessMaximum; + #endif +#endif +#ifdef USE_SHEEN + material.sheenColor = sheenColor; + #ifdef USE_SHEEN_COLORMAP + material.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb; + #endif + material.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 ); + #ifdef USE_SHEEN_ROUGHNESSMAP + material.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a; + #endif +#endif +#ifdef USE_ANISOTROPY + #ifdef USE_ANISOTROPYMAP + mat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x ); + vec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb; + vec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b; + #else + vec2 anisotropyV = anisotropyVector; + #endif + material.anisotropy = length( anisotropyV ); + if( material.anisotropy == 0.0 ) { + anisotropyV = vec2( 1.0, 0.0 ); + } else { + anisotropyV /= material.anisotropy; + material.anisotropy = saturate( material.anisotropy ); + } + material.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) ); + material.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y; + material.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y; +#endif`,T_=`struct PhysicalMaterial { + vec3 diffuseColor; + float roughness; + vec3 specularColor; + float specularF90; + float dispersion; + #ifdef USE_CLEARCOAT + float clearcoat; + float clearcoatRoughness; + vec3 clearcoatF0; + float clearcoatF90; + #endif + #ifdef USE_IRIDESCENCE + float iridescence; + float iridescenceIOR; + float iridescenceThickness; + vec3 iridescenceFresnel; + vec3 iridescenceF0; + #endif + #ifdef USE_SHEEN + vec3 sheenColor; + float sheenRoughness; + #endif + #ifdef IOR + float ior; + #endif + #ifdef USE_TRANSMISSION + float transmission; + float transmissionAlpha; + float thickness; + float attenuationDistance; + vec3 attenuationColor; + #endif + #ifdef USE_ANISOTROPY + float anisotropy; + float alphaT; + vec3 anisotropyT; + vec3 anisotropyB; + #endif +}; +vec3 clearcoatSpecularDirect = vec3( 0.0 ); +vec3 clearcoatSpecularIndirect = vec3( 0.0 ); +vec3 sheenSpecularDirect = vec3( 0.0 ); +vec3 sheenSpecularIndirect = vec3(0.0 ); +vec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) { + float x = clamp( 1.0 - dotVH, 0.0, 1.0 ); + float x2 = x * x; + float x5 = clamp( x * x2 * x2, 0.0, 0.9999 ); + return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 ); +} +float V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) { + float a2 = pow2( alpha ); + float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) ); + float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) ); + return 0.5 / max( gv + gl, EPSILON ); +} +float D_GGX( const in float alpha, const in float dotNH ) { + float a2 = pow2( alpha ); + float denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0; + return RECIPROCAL_PI * a2 / pow2( denom ); +} +#ifdef USE_ANISOTROPY + float V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) { + float gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) ); + float gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) ); + float v = 0.5 / ( gv + gl ); + return saturate(v); + } + float D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) { + float a2 = alphaT * alphaB; + highp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH ); + highp float v2 = dot( v, v ); + float w2 = a2 / v2; + return RECIPROCAL_PI * a2 * pow2 ( w2 ); + } +#endif +#ifdef USE_CLEARCOAT + vec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) { + vec3 f0 = material.clearcoatF0; + float f90 = material.clearcoatF90; + float roughness = material.clearcoatRoughness; + float alpha = pow2( roughness ); + vec3 halfDir = normalize( lightDir + viewDir ); + float dotNL = saturate( dot( normal, lightDir ) ); + float dotNV = saturate( dot( normal, viewDir ) ); + float dotNH = saturate( dot( normal, halfDir ) ); + float dotVH = saturate( dot( viewDir, halfDir ) ); + vec3 F = F_Schlick( f0, f90, dotVH ); + float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV ); + float D = D_GGX( alpha, dotNH ); + return F * ( V * D ); + } +#endif +vec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) { + vec3 f0 = material.specularColor; + float f90 = material.specularF90; + float roughness = material.roughness; + float alpha = pow2( roughness ); + vec3 halfDir = normalize( lightDir + viewDir ); + float dotNL = saturate( dot( normal, lightDir ) ); + float dotNV = saturate( dot( normal, viewDir ) ); + float dotNH = saturate( dot( normal, halfDir ) ); + float dotVH = saturate( dot( viewDir, halfDir ) ); + vec3 F = F_Schlick( f0, f90, dotVH ); + #ifdef USE_IRIDESCENCE + F = mix( F, material.iridescenceFresnel, material.iridescence ); + #endif + #ifdef USE_ANISOTROPY + float dotTL = dot( material.anisotropyT, lightDir ); + float dotTV = dot( material.anisotropyT, viewDir ); + float dotTH = dot( material.anisotropyT, halfDir ); + float dotBL = dot( material.anisotropyB, lightDir ); + float dotBV = dot( material.anisotropyB, viewDir ); + float dotBH = dot( material.anisotropyB, halfDir ); + float V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL ); + float D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH ); + #else + float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV ); + float D = D_GGX( alpha, dotNH ); + #endif + return F * ( V * D ); +} +vec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) { + const float LUT_SIZE = 64.0; + const float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE; + const float LUT_BIAS = 0.5 / LUT_SIZE; + float dotNV = saturate( dot( N, V ) ); + vec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) ); + uv = uv * LUT_SCALE + LUT_BIAS; + return uv; +} +float LTC_ClippedSphereFormFactor( const in vec3 f ) { + float l = length( f ); + return max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 ); +} +vec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) { + float x = dot( v1, v2 ); + float y = abs( x ); + float a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y; + float b = 3.4175940 + ( 4.1616724 + y ) * y; + float v = a / b; + float theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v; + return cross( v1, v2 ) * theta_sintheta; +} +vec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) { + vec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ]; + vec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ]; + vec3 lightNormal = cross( v1, v2 ); + if( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 ); + vec3 T1, T2; + T1 = normalize( V - N * dot( V, N ) ); + T2 = - cross( N, T1 ); + mat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) ); + vec3 coords[ 4 ]; + coords[ 0 ] = mat * ( rectCoords[ 0 ] - P ); + coords[ 1 ] = mat * ( rectCoords[ 1 ] - P ); + coords[ 2 ] = mat * ( rectCoords[ 2 ] - P ); + coords[ 3 ] = mat * ( rectCoords[ 3 ] - P ); + coords[ 0 ] = normalize( coords[ 0 ] ); + coords[ 1 ] = normalize( coords[ 1 ] ); + coords[ 2 ] = normalize( coords[ 2 ] ); + coords[ 3 ] = normalize( coords[ 3 ] ); + vec3 vectorFormFactor = vec3( 0.0 ); + vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] ); + vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] ); + vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] ); + vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] ); + float result = LTC_ClippedSphereFormFactor( vectorFormFactor ); + return vec3( result ); +} +#if defined( USE_SHEEN ) +float D_Charlie( float roughness, float dotNH ) { + float alpha = pow2( roughness ); + float invAlpha = 1.0 / alpha; + float cos2h = dotNH * dotNH; + float sin2h = max( 1.0 - cos2h, 0.0078125 ); + return ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI ); +} +float V_Neubelt( float dotNV, float dotNL ) { + return saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) ); +} +vec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) { + vec3 halfDir = normalize( lightDir + viewDir ); + float dotNL = saturate( dot( normal, lightDir ) ); + float dotNV = saturate( dot( normal, viewDir ) ); + float dotNH = saturate( dot( normal, halfDir ) ); + float D = D_Charlie( sheenRoughness, dotNH ); + float V = V_Neubelt( dotNV, dotNL ); + return sheenColor * ( D * V ); +} +#endif +float IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) { + float dotNV = saturate( dot( normal, viewDir ) ); + float r2 = roughness * roughness; + float a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95; + float b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72; + float DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) ); + return saturate( DG * RECIPROCAL_PI ); +} vec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) { float dotNV = saturate( dot( normal, viewDir ) ); const vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 ); @@ -948,20 +1150,29 @@ vec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 vec2 fab = DFGApprox( normal, viewDir, roughness ); return specularColor * fab.x + specularF90 * fab.y; } +#ifdef USE_IRIDESCENCE +void computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) { +#else void computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) { +#endif vec2 fab = DFGApprox( normal, viewDir, roughness ); - vec3 FssEss = specularColor * fab.x + specularF90 * fab.y; + #ifdef USE_IRIDESCENCE + vec3 Fr = mix( specularColor, iridescenceF0, iridescence ); + #else + vec3 Fr = specularColor; + #endif + vec3 FssEss = Fr * fab.x + specularF90 * fab.y; float Ess = fab.x + fab.y; float Ems = 1.0 - Ess; - vec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619; vec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg ); + vec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619; vec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg ); singleScatter += FssEss; multiScatter += Fms * Ems; } #if NUM_RECT_AREA_LIGHTS > 0 - void RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) { - vec3 normal = geometry.normal; - vec3 viewDir = geometry.viewDir; - vec3 position = geometry.position; + void RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) { + vec3 normal = geometryNormal; + vec3 viewDir = geometryViewDir; + vec3 position = geometryPosition; vec3 lightPos = rectAreaLight.position; vec3 halfWidth = rectAreaLight.halfWidth; vec3 halfHeight = rectAreaLight.halfHeight; @@ -984,32 +1195,40 @@ void computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const reflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords ); } #endif -void RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) { - float dotNL = saturate( dot( geometry.normal, directLight.direction ) ); +void RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) { + float dotNL = saturate( dot( geometryNormal, directLight.direction ) ); vec3 irradiance = dotNL * directLight.color; #ifdef USE_CLEARCOAT - float dotNLcc = saturate( dot( geometry.clearcoatNormal, directLight.direction ) ); + float dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) ); vec3 ccIrradiance = dotNLcc * directLight.color; - clearcoatSpecular += ccIrradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.clearcoatNormal, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness ); + clearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material ); #endif #ifdef USE_SHEEN - reflectedLight.directSpecular += irradiance * BRDF_Sheen( directLight.direction, geometry.viewDir, geometry.normal, material.sheenColor, material.sheenRoughness ); + sheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness ); #endif - reflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.roughness ); + reflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometryViewDir, geometryNormal, material ); reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); } -void RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) { +void RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) { reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); } -void RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) { +void RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) { #ifdef USE_CLEARCOAT - clearcoatSpecular += clearcoatRadiance * EnvironmentBRDF( geometry.clearcoatNormal, geometry.viewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness ); + clearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness ); + #endif + #ifdef USE_SHEEN + sheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness ); #endif vec3 singleScattering = vec3( 0.0 ); vec3 multiScattering = vec3( 0.0 ); vec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI; - computeMultiscattering( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering ); - vec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) ); + #ifdef USE_IRIDESCENCE + computeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering ); + #else + computeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering ); + #endif + vec3 totalScattering = singleScattering + multiScattering; + vec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) ); reflectedLight.indirectSpecular += radiance * singleScattering; reflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance; reflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance; @@ -1020,13 +1239,25 @@ void RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradia #define RE_IndirectSpecular RE_IndirectSpecular_Physical float computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) { return saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion ); -}`,Sv=` -GeometricContext geometry; -geometry.position = - vViewPosition; -geometry.normal = normal; -geometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition ); +}`,w_=` +vec3 geometryPosition = - vViewPosition; +vec3 geometryNormal = normal; +vec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition ); +vec3 geometryClearcoatNormal = vec3( 0.0 ); #ifdef USE_CLEARCOAT - geometry.clearcoatNormal = clearcoatNormal; + geometryClearcoatNormal = clearcoatNormal; +#endif +#ifdef USE_IRIDESCENCE + float dotNVi = saturate( dot( normal, geometryViewDir ) ); + if ( material.iridescenceThickness == 0.0 ) { + material.iridescence = 0.0; + } else { + material.iridescence = saturate( material.iridescence ); + } + if ( material.iridescence > 0.0 ) { + material.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor ); + material.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi ); + } #endif IncidentLight directLight; #if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct ) @@ -1037,29 +1268,46 @@ IncidentLight directLight; #pragma unroll_loop_start for ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) { pointLight = pointLights[ i ]; - getPointLightInfo( pointLight, geometry, directLight ); + getPointLightInfo( pointLight, geometryPosition, directLight ); #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS ) pointLightShadow = pointLightShadows[ i ]; - directLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0; + directLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowIntensity, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0; #endif - RE_Direct( directLight, geometry, material, reflectedLight ); + RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); } #pragma unroll_loop_end #endif #if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct ) SpotLight spotLight; + vec4 spotColor; + vec3 spotLightCoord; + bool inSpotLightMap; #if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0 SpotLightShadow spotLightShadow; #endif #pragma unroll_loop_start for ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) { spotLight = spotLights[ i ]; - getSpotLightInfo( spotLight, geometry, directLight ); + getSpotLightInfo( spotLight, geometryPosition, directLight ); + #if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS ) + #define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX + #elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS ) + #define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS + #else + #define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS ) + #endif + #if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS ) + spotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w; + inSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) ); + spotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy ); + directLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color; + #endif + #undef SPOT_LIGHT_MAP_INDEX #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS ) spotLightShadow = spotLightShadows[ i ]; - directLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0; + directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowIntensity, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0; #endif - RE_Direct( directLight, geometry, material, reflectedLight ); + RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); } #pragma unroll_loop_end #endif @@ -1071,12 +1319,12 @@ IncidentLight directLight; #pragma unroll_loop_start for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) { directionalLight = directionalLights[ i ]; - getDirectionalLightInfo( directionalLight, geometry, directLight ); + getDirectionalLightInfo( directionalLight, directLight ); #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS ) directionalLightShadow = directionalLightShadows[ i ]; - directLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0; + directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowIntensity, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0; #endif - RE_Direct( directLight, geometry, material, reflectedLight ); + RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); } #pragma unroll_loop_end #endif @@ -1085,18 +1333,20 @@ IncidentLight directLight; #pragma unroll_loop_start for ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) { rectAreaLight = rectAreaLights[ i ]; - RE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight ); + RE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); } #pragma unroll_loop_end #endif #if defined( RE_IndirectDiffuse ) vec3 iblIrradiance = vec3( 0.0 ); vec3 irradiance = getAmbientLightIrradiance( ambientLightColor ); - irradiance += getLightProbeIrradiance( lightProbe, geometry.normal ); + #if defined( USE_LIGHT_PROBES ) + irradiance += getLightProbeIrradiance( lightProbe, geometryNormal ); + #endif #if ( NUM_HEMI_LIGHTS > 0 ) #pragma unroll_loop_start for ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) { - irradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal ); + irradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal ); } #pragma unroll_loop_end #endif @@ -1104,159 +1354,162 @@ IncidentLight directLight; #if defined( RE_IndirectSpecular ) vec3 radiance = vec3( 0.0 ); vec3 clearcoatRadiance = vec3( 0.0 ); -#endif`,_v=`#if defined( RE_IndirectDiffuse ) +#endif`,C_=`#if defined( RE_IndirectDiffuse ) #ifdef USE_LIGHTMAP - vec4 lightMapTexel = texture2D( lightMap, vUv2 ); - vec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity; - #ifndef PHYSICALLY_CORRECT_LIGHTS - lightMapIrradiance *= PI; - #endif + vec4 lightMapTexel = texture2D( lightMap, vLightMapUv ); + vec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity; irradiance += lightMapIrradiance; #endif #if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV ) - iblIrradiance += getIBLIrradiance( geometry.normal ); + iblIrradiance += getIBLIrradiance( geometryNormal ); #endif #endif #if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular ) - radiance += getIBLRadiance( geometry.viewDir, geometry.normal, material.roughness ); + #ifdef USE_ANISOTROPY + radiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy ); + #else + radiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness ); + #endif #ifdef USE_CLEARCOAT - clearcoatRadiance += getIBLRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness ); + clearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness ); #endif -#endif`,Tv=`#if defined( RE_IndirectDiffuse ) - RE_IndirectDiffuse( irradiance, geometry, material, reflectedLight ); +#endif`,R_=`#if defined( RE_IndirectDiffuse ) + RE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); #endif #if defined( RE_IndirectSpecular ) - RE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight ); -#endif`,Cv=`#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT ) - gl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5; -#endif`,Dv=`#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT ) + RE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); +#endif`,D_=`#if defined( USE_LOGDEPTHBUF ) + gl_FragDepth = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5; +#endif`,P_=`#if defined( USE_LOGDEPTHBUF ) uniform float logDepthBufFC; varying float vFragDepth; varying float vIsPerspective; -#endif`,Rv=`#ifdef USE_LOGDEPTHBUF - #ifdef USE_LOGDEPTHBUF_EXT - varying float vFragDepth; - varying float vIsPerspective; - #else - uniform float logDepthBufFC; +#endif`,I_=`#ifdef USE_LOGDEPTHBUF + varying float vFragDepth; + varying float vIsPerspective; +#endif`,U_=`#ifdef USE_LOGDEPTHBUF + vFragDepth = 1.0 + gl_Position.w; + vIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) ); +#endif`,L_=`#ifdef USE_MAP + vec4 sampledDiffuseColor = texture2D( map, vMapUv ); + #ifdef DECODE_VIDEO_TEXTURE + sampledDiffuseColor = sRGBTransferEOTF( sampledDiffuseColor ); #endif -#endif`,Pv=`#ifdef USE_LOGDEPTHBUF - #ifdef USE_LOGDEPTHBUF_EXT - vFragDepth = 1.0 + gl_Position.w; - vIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) ); + diffuseColor *= sampledDiffuseColor; +#endif`,B_=`#ifdef USE_MAP + uniform sampler2D map; +#endif`,O_=`#if defined( USE_MAP ) || defined( USE_ALPHAMAP ) + #if defined( USE_POINTS_UV ) + vec2 uv = vUv; #else - if ( isPerspectiveMatrix( projectionMatrix ) ) { - gl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0; - gl_Position.z *= gl_Position.w; - } + vec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy; #endif -#endif`,Lv=`#ifdef USE_MAP - vec4 texelColor = texture2D( map, vUv ); - texelColor = mapTexelToLinear( texelColor ); - diffuseColor *= texelColor; -#endif`,Iv=`#ifdef USE_MAP - uniform sampler2D map; -#endif`,Bv=`#if defined( USE_MAP ) || defined( USE_ALPHAMAP ) - vec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy; #endif #ifdef USE_MAP - vec4 mapTexel = texture2D( map, uv ); - diffuseColor *= mapTexelToLinear( mapTexel ); + diffuseColor *= texture2D( map, uv ); #endif #ifdef USE_ALPHAMAP diffuseColor.a *= texture2D( alphaMap, uv ).g; -#endif`,Uv=`#if defined( USE_MAP ) || defined( USE_ALPHAMAP ) - uniform mat3 uvTransform; +#endif`,N_=`#if defined( USE_POINTS_UV ) + varying vec2 vUv; +#else + #if defined( USE_MAP ) || defined( USE_ALPHAMAP ) + uniform mat3 uvTransform; + #endif #endif #ifdef USE_MAP uniform sampler2D map; #endif #ifdef USE_ALPHAMAP uniform sampler2D alphaMap; -#endif`,Fv=`float metalnessFactor = metalness; +#endif`,F_=`float metalnessFactor = metalness; #ifdef USE_METALNESSMAP - vec4 texelMetalness = texture2D( metalnessMap, vUv ); + vec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv ); metalnessFactor *= texelMetalness.b; -#endif`,Ov=`#ifdef USE_METALNESSMAP +#endif`,H_=`#ifdef USE_METALNESSMAP uniform sampler2D metalnessMap; -#endif`,Nv=`#ifdef USE_MORPHNORMALS +#endif`,z_=`#ifdef USE_INSTANCING_MORPH + float morphTargetInfluences[ MORPHTARGETS_COUNT ]; + float morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r; + for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) { + morphTargetInfluences[i] = texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r; + } +#endif`,k_=`#if defined( USE_MORPHCOLORS ) + vColor *= morphTargetBaseInfluence; + for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) { + #if defined( USE_COLOR_ALPHA ) + if ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ]; + #elif defined( USE_COLOR ) + if ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ]; + #endif + } +#endif`,G_=`#ifdef USE_MORPHNORMALS objectNormal *= morphTargetBaseInfluence; - #ifdef MORPHTARGETS_TEXTURE - for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) { - if ( morphTargetInfluences[ i ] > 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1, 2 ) * morphTargetInfluences[ i ]; - } - #else - objectNormal += morphNormal0 * morphTargetInfluences[ 0 ]; - objectNormal += morphNormal1 * morphTargetInfluences[ 1 ]; - objectNormal += morphNormal2 * morphTargetInfluences[ 2 ]; - objectNormal += morphNormal3 * morphTargetInfluences[ 3 ]; - #endif -#endif`,Hv=`#ifdef USE_MORPHTARGETS - uniform float morphTargetBaseInfluence; - #ifdef MORPHTARGETS_TEXTURE + for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) { + if ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ]; + } +#endif`,V_=`#ifdef USE_MORPHTARGETS + #ifndef USE_INSTANCING_MORPH + uniform float morphTargetBaseInfluence; uniform float morphTargetInfluences[ MORPHTARGETS_COUNT ]; - uniform sampler2DArray morphTargetsTexture; - uniform vec2 morphTargetsTextureSize; - vec3 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset, const in int stride ) { - float texelIndex = float( vertexIndex * stride + offset ); - float y = floor( texelIndex / morphTargetsTextureSize.x ); - float x = texelIndex - y * morphTargetsTextureSize.x; - vec3 morphUV = vec3( ( x + 0.5 ) / morphTargetsTextureSize.x, y / morphTargetsTextureSize.y, morphTargetIndex ); - return texture( morphTargetsTexture, morphUV ).xyz; - } - #else - #ifndef USE_MORPHNORMALS - uniform float morphTargetInfluences[ 8 ]; - #else - uniform float morphTargetInfluences[ 4 ]; - #endif #endif -#endif`,zv=`#ifdef USE_MORPHTARGETS + uniform sampler2DArray morphTargetsTexture; + uniform ivec2 morphTargetsTextureSize; + vec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) { + int texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset; + int y = texelIndex / morphTargetsTextureSize.x; + int x = texelIndex - y * morphTargetsTextureSize.x; + ivec3 morphUV = ivec3( x, y, morphTargetIndex ); + return texelFetch( morphTargetsTexture, morphUV, 0 ); + } +#endif`,W_=`#ifdef USE_MORPHTARGETS transformed *= morphTargetBaseInfluence; - #ifdef MORPHTARGETS_TEXTURE - for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) { - #ifndef USE_MORPHNORMALS - if ( morphTargetInfluences[ i ] > 0.0 ) transformed += getMorph( gl_VertexID, i, 0, 1 ) * morphTargetInfluences[ i ]; - #else - if ( morphTargetInfluences[ i ] > 0.0 ) transformed += getMorph( gl_VertexID, i, 0, 2 ) * morphTargetInfluences[ i ]; - #endif - } - #else - transformed += morphTarget0 * morphTargetInfluences[ 0 ]; - transformed += morphTarget1 * morphTargetInfluences[ 1 ]; - transformed += morphTarget2 * morphTargetInfluences[ 2 ]; - transformed += morphTarget3 * morphTargetInfluences[ 3 ]; - #ifndef USE_MORPHNORMALS - transformed += morphTarget4 * morphTargetInfluences[ 4 ]; - transformed += morphTarget5 * morphTargetInfluences[ 5 ]; - transformed += morphTarget6 * morphTargetInfluences[ 6 ]; - transformed += morphTarget7 * morphTargetInfluences[ 7 ]; - #endif - #endif -#endif`,Gv=`float faceDirection = gl_FrontFacing ? 1.0 : - 1.0; + for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) { + if ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ]; + } +#endif`,X_=`float faceDirection = gl_FrontFacing ? 1.0 : - 1.0; #ifdef FLAT_SHADED - vec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) ); - vec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) ); + vec3 fdx = dFdx( vViewPosition ); + vec3 fdy = dFdy( vViewPosition ); vec3 normal = normalize( cross( fdx, fdy ) ); #else vec3 normal = normalize( vNormal ); #ifdef DOUBLE_SIDED - normal = normal * faceDirection; + normal *= faceDirection; #endif +#endif +#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) #ifdef USE_TANGENT - vec3 tangent = normalize( vTangent ); - vec3 bitangent = normalize( vBitangent ); - #ifdef DOUBLE_SIDED - tangent = tangent * faceDirection; - bitangent = bitangent * faceDirection; - #endif - #if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP ) - mat3 vTBN = mat3( tangent, bitangent, normal ); + mat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal ); + #else + mat3 tbn = getTangentFrame( - vViewPosition, normal, + #if defined( USE_NORMALMAP ) + vNormalMapUv + #elif defined( USE_CLEARCOAT_NORMALMAP ) + vClearcoatNormalMapUv + #else + vUv #endif + ); + #endif + #if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED ) + tbn[0] *= faceDirection; + tbn[1] *= faceDirection; + #endif +#endif +#ifdef USE_CLEARCOAT_NORMALMAP + #ifdef USE_TANGENT + mat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal ); + #else + mat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv ); + #endif + #if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED ) + tbn2[0] *= faceDirection; + tbn2[1] *= faceDirection; #endif #endif -vec3 geometryNormal = normal;`,kv=`#ifdef OBJECTSPACE_NORMALMAP - normal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0; +vec3 nonPerturbedNormal = normal;`,Y_=`#ifdef USE_NORMALMAP_OBJECTSPACE + normal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0; #ifdef FLIP_SIDED normal = - normal; #endif @@ -1264,143 +1517,184 @@ vec3 geometryNormal = normal;`,kv=`#ifdef OBJECTSPACE_NORMALMAP normal = normal * faceDirection; #endif normal = normalize( normalMatrix * normal ); -#elif defined( TANGENTSPACE_NORMALMAP ) - vec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0; +#elif defined( USE_NORMALMAP_TANGENTSPACE ) + vec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0; mapN.xy *= normalScale; - #ifdef USE_TANGENT - normal = normalize( vTBN * mapN ); - #else - normal = perturbNormal2Arb( - vViewPosition, normal, mapN, faceDirection ); - #endif + normal = normalize( tbn * mapN ); #elif defined( USE_BUMPMAP ) normal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection ); -#endif`,Vv=`#ifndef FLAT_SHADED +#endif`,j_=`#ifndef FLAT_SHADED varying vec3 vNormal; #ifdef USE_TANGENT varying vec3 vTangent; varying vec3 vBitangent; #endif -#endif`,Wv=`#ifndef FLAT_SHADED +#endif`,q_=`#ifndef FLAT_SHADED varying vec3 vNormal; #ifdef USE_TANGENT varying vec3 vTangent; varying vec3 vBitangent; #endif -#endif`,Yv=`#ifndef FLAT_SHADED +#endif`,Z_=`#ifndef FLAT_SHADED vNormal = normalize( transformedNormal ); #ifdef USE_TANGENT vTangent = normalize( transformedTangent ); vBitangent = normalize( cross( vNormal, vTangent ) * tangent.w ); #endif -#endif`,jv=`#ifdef USE_NORMALMAP +#endif`,Q_=`#ifdef USE_NORMALMAP uniform sampler2D normalMap; uniform vec2 normalScale; #endif -#ifdef OBJECTSPACE_NORMALMAP +#ifdef USE_NORMALMAP_OBJECTSPACE uniform mat3 normalMatrix; #endif -#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) ) - vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN, float faceDirection ) { - vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) ); - vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) ); - vec2 st0 = dFdx( vUv.st ); - vec2 st1 = dFdy( vUv.st ); +#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) ) + mat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) { + vec3 q0 = dFdx( eye_pos.xyz ); + vec3 q1 = dFdy( eye_pos.xyz ); + vec2 st0 = dFdx( uv.st ); + vec2 st1 = dFdy( uv.st ); vec3 N = surf_norm; vec3 q1perp = cross( q1, N ); vec3 q0perp = cross( N, q0 ); vec3 T = q1perp * st0.x + q0perp * st1.x; vec3 B = q1perp * st0.y + q0perp * st1.y; float det = max( dot( T, T ), dot( B, B ) ); - float scale = ( det == 0.0 ) ? 0.0 : faceDirection * inversesqrt( det ); - return normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z ); + float scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det ); + return mat3( T * scale, B * scale, N ); } -#endif`,Xv=`#ifdef USE_CLEARCOAT - vec3 clearcoatNormal = geometryNormal; -#endif`,Qv=`#ifdef USE_CLEARCOAT_NORMALMAP - vec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0; +#endif`,K_=`#ifdef USE_CLEARCOAT + vec3 clearcoatNormal = nonPerturbedNormal; +#endif`,J_=`#ifdef USE_CLEARCOAT_NORMALMAP + vec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0; clearcoatMapN.xy *= clearcoatNormalScale; - #ifdef USE_TANGENT - clearcoatNormal = normalize( vTBN * clearcoatMapN ); - #else - clearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection ); - #endif -#endif`,qv=`#ifdef USE_CLEARCOATMAP + clearcoatNormal = normalize( tbn2 * clearcoatMapN ); +#endif`,$_=`#ifdef USE_CLEARCOATMAP uniform sampler2D clearcoatMap; #endif -#ifdef USE_CLEARCOAT_ROUGHNESSMAP - uniform sampler2D clearcoatRoughnessMap; -#endif #ifdef USE_CLEARCOAT_NORMALMAP uniform sampler2D clearcoatNormalMap; uniform vec2 clearcoatNormalScale; -#endif`,Zv=`#ifdef OPAQUE +#endif +#ifdef USE_CLEARCOAT_ROUGHNESSMAP + uniform sampler2D clearcoatRoughnessMap; +#endif`,ey=`#ifdef USE_IRIDESCENCEMAP + uniform sampler2D iridescenceMap; +#endif +#ifdef USE_IRIDESCENCE_THICKNESSMAP + uniform sampler2D iridescenceThicknessMap; +#endif`,ty=`#ifdef OPAQUE diffuseColor.a = 1.0; #endif #ifdef USE_TRANSMISSION -diffuseColor.a *= transmissionAlpha + 0.1; +diffuseColor.a *= material.transmissionAlpha; #endif -gl_FragColor = vec4( outgoingLight, diffuseColor.a );`,Jv=`vec3 packNormalToRGB( const in vec3 normal ) { +gl_FragColor = vec4( outgoingLight, diffuseColor.a );`,iy=`vec3 packNormalToRGB( const in vec3 normal ) { return normalize( normal ) * 0.5 + 0.5; } vec3 unpackRGBToNormal( const in vec3 rgb ) { return 2.0 * rgb.xyz - 1.0; } -const float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.; -const vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. ); -const vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. ); -const float ShiftRight8 = 1. / 256.; +const float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;const float ShiftRight8 = 1. / 256.; +const float Inv255 = 1. / 255.; +const vec4 PackFactors = vec4( 1.0, 256.0, 256.0 * 256.0, 256.0 * 256.0 * 256.0 ); +const vec2 UnpackFactors2 = vec2( UnpackDownscale, 1.0 / PackFactors.g ); +const vec3 UnpackFactors3 = vec3( UnpackDownscale / PackFactors.rg, 1.0 / PackFactors.b ); +const vec4 UnpackFactors4 = vec4( UnpackDownscale / PackFactors.rgb, 1.0 / PackFactors.a ); vec4 packDepthToRGBA( const in float v ) { - vec4 r = vec4( fract( v * PackFactors ), v ); - r.yzw -= r.xyz * ShiftRight8; return r * PackUpscale; + if( v <= 0.0 ) + return vec4( 0., 0., 0., 0. ); + if( v >= 1.0 ) + return vec4( 1., 1., 1., 1. ); + float vuf; + float af = modf( v * PackFactors.a, vuf ); + float bf = modf( vuf * ShiftRight8, vuf ); + float gf = modf( vuf * ShiftRight8, vuf ); + return vec4( vuf * Inv255, gf * PackUpscale, bf * PackUpscale, af ); +} +vec3 packDepthToRGB( const in float v ) { + if( v <= 0.0 ) + return vec3( 0., 0., 0. ); + if( v >= 1.0 ) + return vec3( 1., 1., 1. ); + float vuf; + float bf = modf( v * PackFactors.b, vuf ); + float gf = modf( vuf * ShiftRight8, vuf ); + return vec3( vuf * Inv255, gf * PackUpscale, bf ); +} +vec2 packDepthToRG( const in float v ) { + if( v <= 0.0 ) + return vec2( 0., 0. ); + if( v >= 1.0 ) + return vec2( 1., 1. ); + float vuf; + float gf = modf( v * 256., vuf ); + return vec2( vuf * Inv255, gf ); } float unpackRGBAToDepth( const in vec4 v ) { - return dot( v, UnpackFactors ); + return dot( v, UnpackFactors4 ); } -vec4 pack2HalfToRGBA( vec2 v ) { +float unpackRGBToDepth( const in vec3 v ) { + return dot( v, UnpackFactors3 ); +} +float unpackRGToDepth( const in vec2 v ) { + return v.r * UnpackFactors2.r + v.g * UnpackFactors2.g; +} +vec4 pack2HalfToRGBA( const in vec2 v ) { vec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) ); return vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w ); } -vec2 unpackRGBATo2Half( vec4 v ) { +vec2 unpackRGBATo2Half( const in vec4 v ) { return vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) ); } float viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) { return ( viewZ + near ) / ( near - far ); } -float orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) { - return linearClipZ * ( near - far ) - near; +float orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) { + return depth * ( near - far ) - near; } float viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) { return ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ ); } -float perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) { - return ( near * far ) / ( ( far - near ) * invClipZ - far ); -}`,Kv=`#ifdef PREMULTIPLIED_ALPHA +float perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) { + return ( near * far ) / ( ( far - near ) * depth - far ); +}`,ny=`#ifdef PREMULTIPLIED_ALPHA gl_FragColor.rgb *= gl_FragColor.a; -#endif`,$v=`vec4 mvPosition = vec4( transformed, 1.0 ); +#endif`,ry=`vec4 mvPosition = vec4( transformed, 1.0 ); +#ifdef USE_BATCHING + mvPosition = batchingMatrix * mvPosition; +#endif #ifdef USE_INSTANCING mvPosition = instanceMatrix * mvPosition; #endif mvPosition = modelViewMatrix * mvPosition; -gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING +gl_Position = projectionMatrix * mvPosition;`,sy=`#ifdef DITHERING gl_FragColor.rgb = dithering( gl_FragColor.rgb ); -#endif`,t0=`#ifdef DITHERING +#endif`,ay=`#ifdef DITHERING vec3 dithering( vec3 color ) { float grid_position = rand( gl_FragCoord.xy ); vec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 ); dither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position ); return color + dither_shift_RGB; } -#endif`,n0=`float roughnessFactor = roughness; +#endif`,oy=`float roughnessFactor = roughness; #ifdef USE_ROUGHNESSMAP - vec4 texelRoughness = texture2D( roughnessMap, vUv ); + vec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv ); roughnessFactor *= texelRoughness.g; -#endif`,i0=`#ifdef USE_ROUGHNESSMAP +#endif`,ly=`#ifdef USE_ROUGHNESSMAP uniform sampler2D roughnessMap; -#endif`,r0=`#ifdef USE_SHADOWMAP +#endif`,cy=`#if NUM_SPOT_LIGHT_COORDS > 0 + varying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ]; +#endif +#if NUM_SPOT_LIGHT_MAPS > 0 + uniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ]; +#endif +#ifdef USE_SHADOWMAP #if NUM_DIR_LIGHT_SHADOWS > 0 uniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ]; varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ]; struct DirectionalLightShadow { + float shadowIntensity; float shadowBias; float shadowNormalBias; float shadowRadius; @@ -1410,8 +1704,8 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING #endif #if NUM_SPOT_LIGHT_SHADOWS > 0 uniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ]; - varying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ]; struct SpotLightShadow { + float shadowIntensity; float shadowBias; float shadowNormalBias; float shadowRadius; @@ -1423,6 +1717,7 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING uniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ]; varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ]; struct PointLightShadow { + float shadowIntensity; float shadowBias; float shadowNormalBias; float shadowRadius; @@ -1449,14 +1744,12 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING } return occlusion; } - float getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) { + float getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) { float shadow = 1.0; shadowCoord.xyz /= shadowCoord.w; shadowCoord.z += shadowBias; - bvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 ); - bool inFrustum = all( inFrustumVec ); - bvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 ); - bool frustumTest = all( frustumTestVec ); + bool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0; + bool frustumTest = inFrustum && shadowCoord.z <= 1.0; if ( frustumTest ) { #if defined( SHADOWMAP_TYPE_PCF ) vec2 texelSize = vec2( 1.0 ) / shadowMapSize; @@ -1499,22 +1792,22 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING texture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) + texture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) + texture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) + - mix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), + mix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ), f.x ) + - mix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), + mix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ), f.x ) + - mix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), + mix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ), f.y ) + - mix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), + mix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ), f.y ) + - mix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), + mix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ), f.x ), - mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), + mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ), f.x ), f.y ) @@ -1525,7 +1818,7 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING shadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ); #endif } - return shadow; + return mix( 1.0, shadow, shadowIntensity ); } vec2 cubeToUV( vec3 v, float texelSizeY ) { vec3 absV = abs( v ); @@ -1548,33 +1841,44 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING } return vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 ); } - float getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) { - vec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) ); + float getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) { + float shadow = 1.0; vec3 lightToPosition = shadowCoord.xyz; - float dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear ); dp += shadowBias; - vec3 bd3D = normalize( lightToPosition ); - #if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM ) - vec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y; - return ( - texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) + - texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) + - texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) + - texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) + - texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) + - texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) + - texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) + - texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) + - texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp ) - ) * ( 1.0 / 9.0 ); - #else - return texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ); - #endif + + float lightToPositionLength = length( lightToPosition ); + if ( lightToPositionLength - shadowCameraFar <= 0.0 && lightToPositionLength - shadowCameraNear >= 0.0 ) { + float dp = ( lightToPositionLength - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear ); dp += shadowBias; + vec3 bd3D = normalize( lightToPosition ); + vec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) ); + #if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM ) + vec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y; + shadow = ( + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp ) + ) * ( 1.0 / 9.0 ); + #else + shadow = texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ); + #endif + } + return mix( 1.0, shadow, shadowIntensity ); } -#endif`,s0=`#ifdef USE_SHADOWMAP +#endif`,hy=`#if NUM_SPOT_LIGHT_COORDS > 0 + uniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ]; + varying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ]; +#endif +#ifdef USE_SHADOWMAP #if NUM_DIR_LIGHT_SHADOWS > 0 uniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ]; varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ]; struct DirectionalLightShadow { + float shadowIntensity; float shadowBias; float shadowNormalBias; float shadowRadius; @@ -1583,9 +1887,8 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING uniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ]; #endif #if NUM_SPOT_LIGHT_SHADOWS > 0 - uniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ]; - varying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ]; struct SpotLightShadow { + float shadowIntensity; float shadowBias; float shadowNormalBias; float shadowRadius; @@ -1597,6 +1900,7 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING uniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ]; varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ]; struct PointLightShadow { + float shadowIntensity; float shadowBias; float shadowNormalBias; float shadowRadius; @@ -1606,36 +1910,39 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING }; uniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ]; #endif -#endif`,a0=`#ifdef USE_SHADOWMAP - #if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 - vec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix ); - vec4 shadowWorldPosition; - #endif +#endif`,uy=`#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 ) + vec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix ); + vec4 shadowWorldPosition; +#endif +#if defined( USE_SHADOWMAP ) #if NUM_DIR_LIGHT_SHADOWS > 0 - #pragma unroll_loop_start - for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) { - shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 ); - vDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition; - } - #pragma unroll_loop_end - #endif - #if NUM_SPOT_LIGHT_SHADOWS > 0 - #pragma unroll_loop_start - for ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) { - shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias, 0 ); - vSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * shadowWorldPosition; - } - #pragma unroll_loop_end + #pragma unroll_loop_start + for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) { + shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 ); + vDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition; + } + #pragma unroll_loop_end #endif #if NUM_POINT_LIGHT_SHADOWS > 0 + #pragma unroll_loop_start + for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) { + shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 ); + vPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition; + } + #pragma unroll_loop_end + #endif +#endif +#if NUM_SPOT_LIGHT_COORDS > 0 #pragma unroll_loop_start - for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) { - shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 ); - vPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition; + for ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) { + shadowWorldPosition = worldPosition; + #if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS ) + shadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias; + #endif + vSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition; } #pragma unroll_loop_end - #endif -#endif`,o0=`float getShadowMask() { +#endif`,dy=`float getShadowMask() { float shadow = 1.0; #ifdef USE_SHADOWMAP #if NUM_DIR_LIGHT_SHADOWS > 0 @@ -1643,7 +1950,7 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING #pragma unroll_loop_start for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) { directionalLight = directionalLightShadows[ i ]; - shadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0; + shadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowIntensity, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0; } #pragma unroll_loop_end #endif @@ -1652,7 +1959,7 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING #pragma unroll_loop_start for ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) { spotLight = spotLightShadows[ i ]; - shadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0; + shadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowIntensity, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0; } #pragma unroll_loop_end #endif @@ -1661,45 +1968,33 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING #pragma unroll_loop_start for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) { pointLight = pointLightShadows[ i ]; - shadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0; + shadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowIntensity, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0; } #pragma unroll_loop_end #endif #endif return shadow; -}`,l0=`#ifdef USE_SKINNING +}`,fy=`#ifdef USE_SKINNING mat4 boneMatX = getBoneMatrix( skinIndex.x ); mat4 boneMatY = getBoneMatrix( skinIndex.y ); mat4 boneMatZ = getBoneMatrix( skinIndex.z ); mat4 boneMatW = getBoneMatrix( skinIndex.w ); -#endif`,c0=`#ifdef USE_SKINNING +#endif`,py=`#ifdef USE_SKINNING uniform mat4 bindMatrix; uniform mat4 bindMatrixInverse; - #ifdef BONE_TEXTURE - uniform highp sampler2D boneTexture; - uniform int boneTextureSize; - mat4 getBoneMatrix( const in float i ) { - float j = i * 4.0; - float x = mod( j, float( boneTextureSize ) ); - float y = floor( j / float( boneTextureSize ) ); - float dx = 1.0 / float( boneTextureSize ); - float dy = 1.0 / float( boneTextureSize ); - y = dy * ( y + 0.5 ); - vec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) ); - vec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) ); - vec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) ); - vec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) ); - mat4 bone = mat4( v1, v2, v3, v4 ); - return bone; - } - #else - uniform mat4 boneMatrices[ MAX_BONES ]; - mat4 getBoneMatrix( const in float i ) { - mat4 bone = boneMatrices[ int(i) ]; - return bone; - } - #endif -#endif`,u0=`#ifdef USE_SKINNING + uniform highp sampler2D boneTexture; + mat4 getBoneMatrix( const in float i ) { + int size = textureSize( boneTexture, 0 ).x; + int j = int( i ) * 4; + int x = j % size; + int y = j / size; + vec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 ); + vec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 ); + vec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 ); + vec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 ); + return mat4( v1, v2, v3, v4 ); + } +#endif`,my=`#ifdef USE_SKINNING vec4 skinVertex = bindMatrix * vec4( transformed, 1.0 ); vec4 skinned = vec4( 0.0 ); skinned += boneMatX * skinVertex * skinWeight.x; @@ -1707,7 +2002,7 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING skinned += boneMatZ * skinVertex * skinWeight.z; skinned += boneMatW * skinVertex * skinWeight.w; transformed = ( bindMatrixInverse * skinned ).xyz; -#endif`,h0=`#ifdef USE_SKINNING +#endif`,gy=`#ifdef USE_SKINNING mat4 skinMatrix = mat4( 0.0 ); skinMatrix += skinWeight.x * boneMatX; skinMatrix += skinWeight.y * boneMatY; @@ -1718,28 +2013,28 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING #ifdef USE_TANGENT objectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz; #endif -#endif`,d0=`float specularStrength; +#endif`,vy=`float specularStrength; #ifdef USE_SPECULARMAP - vec4 texelSpecular = texture2D( specularMap, vUv ); + vec4 texelSpecular = texture2D( specularMap, vSpecularMapUv ); specularStrength = texelSpecular.r; #else specularStrength = 1.0; -#endif`,f0=`#ifdef USE_SPECULARMAP +#endif`,xy=`#ifdef USE_SPECULARMAP uniform sampler2D specularMap; -#endif`,p0=`#if defined( TONE_MAPPING ) +#endif`,_y=`#if defined( TONE_MAPPING ) gl_FragColor.rgb = toneMapping( gl_FragColor.rgb ); -#endif`,m0=`#ifndef saturate +#endif`,yy=`#ifndef saturate #define saturate( a ) clamp( a, 0.0, 1.0 ) #endif uniform float toneMappingExposure; vec3 LinearToneMapping( vec3 color ) { - return toneMappingExposure * color; + return saturate( toneMappingExposure * color ); } vec3 ReinhardToneMapping( vec3 color ) { color *= toneMappingExposure; return saturate( color / ( vec3( 1.0 ) + color ) ); } -vec3 OptimizedCineonToneMapping( vec3 color ) { +vec3 CineonToneMapping( vec3 color ) { color *= toneMappingExposure; color = max( vec3( 0.0 ), color - 0.004 ); return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) ); @@ -1764,26 +2059,89 @@ vec3 ACESFilmicToneMapping( vec3 color ) { color = ACESOutputMat * color; return saturate( color ); } -vec3 CustomToneMapping( vec3 color ) { return color; }`,g0=`#ifdef USE_TRANSMISSION - float transmissionAlpha = 1.0; - float transmissionFactor = transmission; - float thicknessFactor = thickness; +const mat3 LINEAR_REC2020_TO_LINEAR_SRGB = mat3( + vec3( 1.6605, - 0.1246, - 0.0182 ), + vec3( - 0.5876, 1.1329, - 0.1006 ), + vec3( - 0.0728, - 0.0083, 1.1187 ) +); +const mat3 LINEAR_SRGB_TO_LINEAR_REC2020 = mat3( + vec3( 0.6274, 0.0691, 0.0164 ), + vec3( 0.3293, 0.9195, 0.0880 ), + vec3( 0.0433, 0.0113, 0.8956 ) +); +vec3 agxDefaultContrastApprox( vec3 x ) { + vec3 x2 = x * x; + vec3 x4 = x2 * x2; + return + 15.5 * x4 * x2 + - 40.14 * x4 * x + + 31.96 * x4 + - 6.868 * x2 * x + + 0.4298 * x2 + + 0.1191 * x + - 0.00232; +} +vec3 AgXToneMapping( vec3 color ) { + const mat3 AgXInsetMatrix = mat3( + vec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ), + vec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ), + vec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 ) + ); + const mat3 AgXOutsetMatrix = mat3( + vec3( 1.1271005818144368, - 0.1413297634984383, - 0.14132976349843826 ), + vec3( - 0.11060664309660323, 1.157823702216272, - 0.11060664309660294 ), + vec3( - 0.016493938717834573, - 0.016493938717834257, 1.2519364065950405 ) + ); + const float AgxMinEv = - 12.47393; const float AgxMaxEv = 4.026069; + color *= toneMappingExposure; + color = LINEAR_SRGB_TO_LINEAR_REC2020 * color; + color = AgXInsetMatrix * color; + color = max( color, 1e-10 ); color = log2( color ); + color = ( color - AgxMinEv ) / ( AgxMaxEv - AgxMinEv ); + color = clamp( color, 0.0, 1.0 ); + color = agxDefaultContrastApprox( color ); + color = AgXOutsetMatrix * color; + color = pow( max( vec3( 0.0 ), color ), vec3( 2.2 ) ); + color = LINEAR_REC2020_TO_LINEAR_SRGB * color; + color = clamp( color, 0.0, 1.0 ); + return color; +} +vec3 NeutralToneMapping( vec3 color ) { + const float StartCompression = 0.8 - 0.04; + const float Desaturation = 0.15; + color *= toneMappingExposure; + float x = min( color.r, min( color.g, color.b ) ); + float offset = x < 0.08 ? x - 6.25 * x * x : 0.04; + color -= offset; + float peak = max( color.r, max( color.g, color.b ) ); + if ( peak < StartCompression ) return color; + float d = 1. - StartCompression; + float newPeak = 1. - d * d / ( peak + d - StartCompression ); + color *= newPeak / peak; + float g = 1. - 1. / ( Desaturation * ( peak - newPeak ) + 1. ); + return mix( color, vec3( newPeak ), g ); +} +vec3 CustomToneMapping( vec3 color ) { return color; }`,Ay=`#ifdef USE_TRANSMISSION + material.transmission = transmission; + material.transmissionAlpha = 1.0; + material.thickness = thickness; + material.attenuationDistance = attenuationDistance; + material.attenuationColor = attenuationColor; #ifdef USE_TRANSMISSIONMAP - transmissionFactor *= texture2D( transmissionMap, vUv ).r; + material.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r; #endif #ifdef USE_THICKNESSMAP - thicknessFactor *= texture2D( thicknessMap, vUv ).g; + material.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g; #endif vec3 pos = vWorldPosition; vec3 v = normalize( cameraPosition - pos ); vec3 n = inverseTransformDirection( normal, viewMatrix ); - vec4 transmission = getIBLVolumeRefraction( - n, v, roughnessFactor, material.diffuseColor, material.specularColor, material.specularF90, - pos, modelMatrix, viewMatrix, projectionMatrix, ior, thicknessFactor, - attenuationColor, attenuationDistance ); - totalDiffuse = mix( totalDiffuse, transmission.rgb, transmissionFactor ); - transmissionAlpha = mix( transmissionAlpha, transmission.a, transmissionFactor ); -#endif`,v0=`#ifdef USE_TRANSMISSION + vec4 transmitted = getIBLVolumeRefraction( + n, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90, + pos, modelMatrix, viewMatrix, projectionMatrix, material.dispersion, material.ior, material.thickness, + material.attenuationColor, material.attenuationDistance ); + material.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission ); + totalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission ); +#endif`,Sy=`#ifdef USE_TRANSMISSION uniform float transmission; uniform float thickness; uniform float attenuationDistance; @@ -1799,7 +2157,57 @@ vec3 CustomToneMapping( vec3 color ) { return color; }`,g0=`#ifdef USE_TRANSMISS uniform mat4 modelMatrix; uniform mat4 projectionMatrix; varying vec3 vWorldPosition; - vec3 getVolumeTransmissionRay( vec3 n, vec3 v, float thickness, float ior, mat4 modelMatrix ) { + float w0( float a ) { + return ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 ); + } + float w1( float a ) { + return ( 1.0 / 6.0 ) * ( a * a * ( 3.0 * a - 6.0 ) + 4.0 ); + } + float w2( float a ){ + return ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 ); + } + float w3( float a ) { + return ( 1.0 / 6.0 ) * ( a * a * a ); + } + float g0( float a ) { + return w0( a ) + w1( a ); + } + float g1( float a ) { + return w2( a ) + w3( a ); + } + float h0( float a ) { + return - 1.0 + w1( a ) / ( w0( a ) + w1( a ) ); + } + float h1( float a ) { + return 1.0 + w3( a ) / ( w2( a ) + w3( a ) ); + } + vec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) { + uv = uv * texelSize.zw + 0.5; + vec2 iuv = floor( uv ); + vec2 fuv = fract( uv ); + float g0x = g0( fuv.x ); + float g1x = g1( fuv.x ); + float h0x = h0( fuv.x ); + float h1x = h1( fuv.x ); + float h0y = h0( fuv.y ); + float h1y = h1( fuv.y ); + vec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy; + vec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy; + vec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy; + vec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy; + return g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) + + g1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) ); + } + vec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) { + vec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) ); + vec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) ); + vec2 fLodSizeInv = 1.0 / fLodSize; + vec2 cLodSizeInv = 1.0 / cLodSize; + vec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) ); + vec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) ); + return mix( fSample, cSample, fract( lod ) ); + } + vec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) { vec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior ); vec3 modelScale; modelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) ); @@ -1807,95 +2215,368 @@ vec3 CustomToneMapping( vec3 color ) { return color; }`,g0=`#ifdef USE_TRANSMISS modelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) ); return normalize( refractionVector ) * thickness * modelScale; } - float applyIorToRoughness( float roughness, float ior ) { + float applyIorToRoughness( const in float roughness, const in float ior ) { return roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 ); } - vec4 getTransmissionSample( vec2 fragCoord, float roughness, float ior ) { - float framebufferLod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior ); - #ifdef TEXTURE_LOD_EXT - return texture2DLodEXT( transmissionSamplerMap, fragCoord.xy, framebufferLod ); - #else - return texture2D( transmissionSamplerMap, fragCoord.xy, framebufferLod ); - #endif + vec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) { + float lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior ); + return textureBicubic( transmissionSamplerMap, fragCoord.xy, lod ); } - vec3 applyVolumeAttenuation( vec3 radiance, float transmissionDistance, vec3 attenuationColor, float attenuationDistance ) { - if ( attenuationDistance == 0.0 ) { - return radiance; + vec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) { + if ( isinf( attenuationDistance ) ) { + return vec3( 1.0 ); } else { vec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance; - vec3 transmittance = exp( - attenuationCoefficient * transmissionDistance ); return transmittance * radiance; + vec3 transmittance = exp( - attenuationCoefficient * transmissionDistance ); return transmittance; } } - vec4 getIBLVolumeRefraction( vec3 n, vec3 v, float roughness, vec3 diffuseColor, vec3 specularColor, float specularF90, - vec3 position, mat4 modelMatrix, mat4 viewMatrix, mat4 projMatrix, float ior, float thickness, - vec3 attenuationColor, float attenuationDistance ) { - vec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix ); - vec3 refractedRayExit = position + transmissionRay; - vec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 ); - vec2 refractionCoords = ndcPos.xy / ndcPos.w; - refractionCoords += 1.0; - refractionCoords /= 2.0; - vec4 transmittedLight = getTransmissionSample( refractionCoords, roughness, ior ); - vec3 attenuatedColor = applyVolumeAttenuation( transmittedLight.rgb, length( transmissionRay ), attenuationColor, attenuationDistance ); + vec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor, + const in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix, + const in mat4 viewMatrix, const in mat4 projMatrix, const in float dispersion, const in float ior, const in float thickness, + const in vec3 attenuationColor, const in float attenuationDistance ) { + vec4 transmittedLight; + vec3 transmittance; + #ifdef USE_DISPERSION + float halfSpread = ( ior - 1.0 ) * 0.025 * dispersion; + vec3 iors = vec3( ior - halfSpread, ior, ior + halfSpread ); + for ( int i = 0; i < 3; i ++ ) { + vec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, iors[ i ], modelMatrix ); + vec3 refractedRayExit = position + transmissionRay; + vec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 ); + vec2 refractionCoords = ndcPos.xy / ndcPos.w; + refractionCoords += 1.0; + refractionCoords /= 2.0; + vec4 transmissionSample = getTransmissionSample( refractionCoords, roughness, iors[ i ] ); + transmittedLight[ i ] = transmissionSample[ i ]; + transmittedLight.a += transmissionSample.a; + transmittance[ i ] = diffuseColor[ i ] * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance )[ i ]; + } + transmittedLight.a /= 3.0; + #else + vec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix ); + vec3 refractedRayExit = position + transmissionRay; + vec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 ); + vec2 refractionCoords = ndcPos.xy / ndcPos.w; + refractionCoords += 1.0; + refractionCoords /= 2.0; + transmittedLight = getTransmissionSample( refractionCoords, roughness, ior ); + transmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance ); + #endif + vec3 attenuatedColor = transmittance * transmittedLight.rgb; vec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness ); - return vec4( ( 1.0 - F ) * attenuatedColor * diffuseColor, transmittedLight.a ); + float transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0; + return vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor ); } -#endif`,x0=`#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) ) +#endif`,Ey=`#if defined( USE_UV ) || defined( USE_ANISOTROPY ) varying vec2 vUv; -#endif`,y0=`#ifdef USE_UV - #ifdef UVS_VERTEX_ONLY - vec2 vUv; - #else - varying vec2 vUv; - #endif - uniform mat3 uvTransform; -#endif`,w0=`#ifdef USE_UV - vUv = ( uvTransform * vec3( uv, 1 ) ).xy; -#endif`,b0=`#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP ) - varying vec2 vUv2; -#endif`,A0=`#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP ) - attribute vec2 uv2; - varying vec2 vUv2; - uniform mat3 uv2Transform; -#endif`,E0=`#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP ) - vUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy; -#endif`,M0=`#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) +#endif +#ifdef USE_MAP + varying vec2 vMapUv; +#endif +#ifdef USE_ALPHAMAP + varying vec2 vAlphaMapUv; +#endif +#ifdef USE_LIGHTMAP + varying vec2 vLightMapUv; +#endif +#ifdef USE_AOMAP + varying vec2 vAoMapUv; +#endif +#ifdef USE_BUMPMAP + varying vec2 vBumpMapUv; +#endif +#ifdef USE_NORMALMAP + varying vec2 vNormalMapUv; +#endif +#ifdef USE_EMISSIVEMAP + varying vec2 vEmissiveMapUv; +#endif +#ifdef USE_METALNESSMAP + varying vec2 vMetalnessMapUv; +#endif +#ifdef USE_ROUGHNESSMAP + varying vec2 vRoughnessMapUv; +#endif +#ifdef USE_ANISOTROPYMAP + varying vec2 vAnisotropyMapUv; +#endif +#ifdef USE_CLEARCOATMAP + varying vec2 vClearcoatMapUv; +#endif +#ifdef USE_CLEARCOAT_NORMALMAP + varying vec2 vClearcoatNormalMapUv; +#endif +#ifdef USE_CLEARCOAT_ROUGHNESSMAP + varying vec2 vClearcoatRoughnessMapUv; +#endif +#ifdef USE_IRIDESCENCEMAP + varying vec2 vIridescenceMapUv; +#endif +#ifdef USE_IRIDESCENCE_THICKNESSMAP + varying vec2 vIridescenceThicknessMapUv; +#endif +#ifdef USE_SHEEN_COLORMAP + varying vec2 vSheenColorMapUv; +#endif +#ifdef USE_SHEEN_ROUGHNESSMAP + varying vec2 vSheenRoughnessMapUv; +#endif +#ifdef USE_SPECULARMAP + varying vec2 vSpecularMapUv; +#endif +#ifdef USE_SPECULAR_COLORMAP + varying vec2 vSpecularColorMapUv; +#endif +#ifdef USE_SPECULAR_INTENSITYMAP + varying vec2 vSpecularIntensityMapUv; +#endif +#ifdef USE_TRANSMISSIONMAP + uniform mat3 transmissionMapTransform; + varying vec2 vTransmissionMapUv; +#endif +#ifdef USE_THICKNESSMAP + uniform mat3 thicknessMapTransform; + varying vec2 vThicknessMapUv; +#endif`,My=`#if defined( USE_UV ) || defined( USE_ANISOTROPY ) + varying vec2 vUv; +#endif +#ifdef USE_MAP + uniform mat3 mapTransform; + varying vec2 vMapUv; +#endif +#ifdef USE_ALPHAMAP + uniform mat3 alphaMapTransform; + varying vec2 vAlphaMapUv; +#endif +#ifdef USE_LIGHTMAP + uniform mat3 lightMapTransform; + varying vec2 vLightMapUv; +#endif +#ifdef USE_AOMAP + uniform mat3 aoMapTransform; + varying vec2 vAoMapUv; +#endif +#ifdef USE_BUMPMAP + uniform mat3 bumpMapTransform; + varying vec2 vBumpMapUv; +#endif +#ifdef USE_NORMALMAP + uniform mat3 normalMapTransform; + varying vec2 vNormalMapUv; +#endif +#ifdef USE_DISPLACEMENTMAP + uniform mat3 displacementMapTransform; + varying vec2 vDisplacementMapUv; +#endif +#ifdef USE_EMISSIVEMAP + uniform mat3 emissiveMapTransform; + varying vec2 vEmissiveMapUv; +#endif +#ifdef USE_METALNESSMAP + uniform mat3 metalnessMapTransform; + varying vec2 vMetalnessMapUv; +#endif +#ifdef USE_ROUGHNESSMAP + uniform mat3 roughnessMapTransform; + varying vec2 vRoughnessMapUv; +#endif +#ifdef USE_ANISOTROPYMAP + uniform mat3 anisotropyMapTransform; + varying vec2 vAnisotropyMapUv; +#endif +#ifdef USE_CLEARCOATMAP + uniform mat3 clearcoatMapTransform; + varying vec2 vClearcoatMapUv; +#endif +#ifdef USE_CLEARCOAT_NORMALMAP + uniform mat3 clearcoatNormalMapTransform; + varying vec2 vClearcoatNormalMapUv; +#endif +#ifdef USE_CLEARCOAT_ROUGHNESSMAP + uniform mat3 clearcoatRoughnessMapTransform; + varying vec2 vClearcoatRoughnessMapUv; +#endif +#ifdef USE_SHEEN_COLORMAP + uniform mat3 sheenColorMapTransform; + varying vec2 vSheenColorMapUv; +#endif +#ifdef USE_SHEEN_ROUGHNESSMAP + uniform mat3 sheenRoughnessMapTransform; + varying vec2 vSheenRoughnessMapUv; +#endif +#ifdef USE_IRIDESCENCEMAP + uniform mat3 iridescenceMapTransform; + varying vec2 vIridescenceMapUv; +#endif +#ifdef USE_IRIDESCENCE_THICKNESSMAP + uniform mat3 iridescenceThicknessMapTransform; + varying vec2 vIridescenceThicknessMapUv; +#endif +#ifdef USE_SPECULARMAP + uniform mat3 specularMapTransform; + varying vec2 vSpecularMapUv; +#endif +#ifdef USE_SPECULAR_COLORMAP + uniform mat3 specularColorMapTransform; + varying vec2 vSpecularColorMapUv; +#endif +#ifdef USE_SPECULAR_INTENSITYMAP + uniform mat3 specularIntensityMapTransform; + varying vec2 vSpecularIntensityMapUv; +#endif +#ifdef USE_TRANSMISSIONMAP + uniform mat3 transmissionMapTransform; + varying vec2 vTransmissionMapUv; +#endif +#ifdef USE_THICKNESSMAP + uniform mat3 thicknessMapTransform; + varying vec2 vThicknessMapUv; +#endif`,by=`#if defined( USE_UV ) || defined( USE_ANISOTROPY ) + vUv = vec3( uv, 1 ).xy; +#endif +#ifdef USE_MAP + vMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy; +#endif +#ifdef USE_ALPHAMAP + vAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_LIGHTMAP + vLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_AOMAP + vAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_BUMPMAP + vBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_NORMALMAP + vNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_DISPLACEMENTMAP + vDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_EMISSIVEMAP + vEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_METALNESSMAP + vMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_ROUGHNESSMAP + vRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_ANISOTROPYMAP + vAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_CLEARCOATMAP + vClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_CLEARCOAT_NORMALMAP + vClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_CLEARCOAT_ROUGHNESSMAP + vClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_IRIDESCENCEMAP + vIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_IRIDESCENCE_THICKNESSMAP + vIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_SHEEN_COLORMAP + vSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_SHEEN_ROUGHNESSMAP + vSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_SPECULARMAP + vSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_SPECULAR_COLORMAP + vSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_SPECULAR_INTENSITYMAP + vSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_TRANSMISSIONMAP + vTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_THICKNESSMAP + vThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy; +#endif`,Ty=`#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0 vec4 worldPosition = vec4( transformed, 1.0 ); + #ifdef USE_BATCHING + worldPosition = batchingMatrix * worldPosition; + #endif #ifdef USE_INSTANCING worldPosition = instanceMatrix * worldPosition; #endif worldPosition = modelMatrix * worldPosition; -#endif`,S0=`varying vec2 vUv; +#endif`,wy=`varying vec2 vUv; uniform mat3 uvTransform; void main() { vUv = ( uvTransform * vec3( uv, 1 ) ).xy; gl_Position = vec4( position.xy, 1.0, 1.0 ); -}`,_0=`uniform sampler2D t2D; +}`,Cy=`uniform sampler2D t2D; +uniform float backgroundIntensity; varying vec2 vUv; void main() { vec4 texColor = texture2D( t2D, vUv ); - gl_FragColor = mapTexelToLinear( texColor ); + #ifdef DECODE_VIDEO_TEXTURE + texColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w ); + #endif + texColor.rgb *= backgroundIntensity; + gl_FragColor = texColor; #include - #include -}`,T0=`varying vec3 vWorldDirection; + #include +}`,Ry=`varying vec3 vWorldDirection; #include void main() { vWorldDirection = transformDirection( position, modelMatrix ); #include #include gl_Position.z = gl_Position.w; -}`,C0=`#include -uniform float opacity; +}`,Dy=`#ifdef ENVMAP_TYPE_CUBE + uniform samplerCube envMap; +#elif defined( ENVMAP_TYPE_CUBE_UV ) + uniform sampler2D envMap; +#endif +uniform float flipEnvMap; +uniform float backgroundBlurriness; +uniform float backgroundIntensity; +uniform mat3 backgroundRotation; varying vec3 vWorldDirection; #include void main() { - vec3 vReflect = vWorldDirection; - #include - gl_FragColor = envColor; + #ifdef ENVMAP_TYPE_CUBE + vec4 texColor = textureCube( envMap, backgroundRotation * vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) ); + #elif defined( ENVMAP_TYPE_CUBE_UV ) + vec4 texColor = textureCubeUV( envMap, backgroundRotation * vWorldDirection, backgroundBlurriness ); + #else + vec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 ); + #endif + texColor.rgb *= backgroundIntensity; + gl_FragColor = texColor; + #include + #include +}`,Py=`varying vec3 vWorldDirection; +#include +void main() { + vWorldDirection = transformDirection( position, modelMatrix ); + #include + #include + gl_Position.z = gl_Position.w; +}`,Iy=`uniform samplerCube tCube; +uniform float tFlip; +uniform float opacity; +varying vec3 vWorldDirection; +void main() { + vec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) ); + gl_FragColor = texColor; gl_FragColor.a *= opacity; #include - #include -}`,D0=`#include + #include +}`,Uy=`#include +#include #include #include #include @@ -1905,7 +2586,9 @@ void main() { varying vec2 vHighPrecisionZW; void main() { #include + #include #include + #include #ifdef USE_DISPLACEMENTMAP #include #include @@ -1919,7 +2602,7 @@ void main() { #include #include vHighPrecisionZW = gl_Position.zw; -}`,R0=`#if DEPTH_PACKING == 3200 +}`,Ly=`#if DEPTH_PACKING == 3200 uniform float opacity; #endif #include @@ -1928,28 +2611,35 @@ void main() { #include #include #include +#include #include #include varying vec2 vHighPrecisionZW; void main() { - #include vec4 diffuseColor = vec4( 1.0 ); + #include #if DEPTH_PACKING == 3200 diffuseColor.a = opacity; #endif #include #include #include + #include #include float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5; #if DEPTH_PACKING == 3200 gl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity ); #elif DEPTH_PACKING == 3201 gl_FragColor = packDepthToRGBA( fragCoordZ ); + #elif DEPTH_PACKING == 3202 + gl_FragColor = vec4( packDepthToRGB( fragCoordZ ), 1.0 ); + #elif DEPTH_PACKING == 3203 + gl_FragColor = vec4( packDepthToRG( fragCoordZ ), 0.0, 1.0 ); #endif -}`,P0=`#define DISTANCE +}`,By=`#define DISTANCE varying vec3 vWorldPosition; #include +#include #include #include #include @@ -1957,7 +2647,9 @@ varying vec3 vWorldPosition; #include void main() { #include + #include #include + #include #ifdef USE_DISPLACEMENTMAP #include #include @@ -1971,7 +2663,7 @@ void main() { #include #include vWorldPosition = worldPosition.xyz; -}`,L0=`#define DISTANCE +}`,Oy=`#define DISTANCE uniform vec3 referencePosition; uniform float nearDistance; uniform float farDistance; @@ -1982,37 +2674,39 @@ varying vec3 vWorldPosition; #include #include #include +#include #include void main () { - #include vec4 diffuseColor = vec4( 1.0 ); + #include #include #include #include + #include float dist = length( vWorldPosition - referencePosition ); dist = ( dist - nearDistance ) / ( farDistance - nearDistance ); dist = saturate( dist ); gl_FragColor = packDepthToRGBA( dist ); -}`,I0=`varying vec3 vWorldDirection; +}`,Ny=`varying vec3 vWorldDirection; #include void main() { vWorldDirection = transformDirection( position, modelMatrix ); #include #include -}`,B0=`uniform sampler2D tEquirect; +}`,Fy=`uniform sampler2D tEquirect; varying vec3 vWorldDirection; #include void main() { vec3 direction = normalize( vWorldDirection ); vec2 sampleUV = equirectUv( direction ); - vec4 texColor = texture2D( tEquirect, sampleUV ); - gl_FragColor = mapTexelToLinear( texColor ); + gl_FragColor = texture2D( tEquirect, sampleUV ); #include - #include -}`,U0=`uniform float scale; + #include +}`,Hy=`uniform float scale; attribute float lineDistance; varying float vLineDistance; #include +#include #include #include #include @@ -2020,41 +2714,47 @@ varying float vLineDistance; #include void main() { vLineDistance = scale * lineDistance; + #include #include + #include + #include #include #include #include #include #include #include -}`,F0=`uniform vec3 diffuse; +}`,zy=`uniform vec3 diffuse; uniform float opacity; uniform float dashSize; uniform float totalSize; varying float vLineDistance; #include #include +#include +#include #include #include #include void main() { + vec4 diffuseColor = vec4( diffuse, opacity ); #include if ( mod( vLineDistance, totalSize ) > dashSize ) { discard; } vec3 outgoingLight = vec3( 0.0 ); - vec4 diffuseColor = vec4( diffuse, opacity ); #include + #include #include outgoingLight = diffuseColor.rgb; - #include + #include #include - #include + #include #include #include -}`,O0=`#include +}`,ky=`#include +#include #include -#include #include #include #include @@ -2064,8 +2764,10 @@ void main() { #include void main() { #include - #include #include + #include + #include + #include #if defined ( USE_ENVMAP ) || defined ( USE_SKINNING ) #include #include @@ -2082,7 +2784,7 @@ void main() { #include #include #include -}`,N0=`uniform vec3 diffuse; +}`,Gy=`uniform vec3 diffuse; uniform float opacity; #ifndef FLAT_SHADED varying vec3 vNormal; @@ -2091,32 +2793,32 @@ uniform float opacity; #include #include #include -#include #include #include #include +#include #include #include #include #include -#include #include #include #include #include void main() { - #include vec4 diffuseColor = vec4( diffuse, opacity ); + #include #include #include #include #include #include + #include #include ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) ); #ifdef USE_LIGHTMAP - vec4 lightMapTexel= texture2D( lightMap, vUv2 ); - reflectedLight.indirectDiffuse += lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity; + vec4 lightMapTexel = texture2D( lightMap, vLightMapUv ); + reflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI; #else reflectedLight.indirectDiffuse += vec3( 1.0 ); #endif @@ -2124,27 +2826,22 @@ void main() { reflectedLight.indirectDiffuse *= diffuseColor.rgb; vec3 outgoingLight = reflectedLight.indirectDiffuse; #include - #include + #include #include - #include + #include #include #include #include -}`,H0=`#define LAMBERT -varying vec3 vLightFront; -varying vec3 vIndirectFront; -#ifdef DOUBLE_SIDED - varying vec3 vLightBack; - varying vec3 vIndirectBack; -#endif +}`,Vy=`#define LAMBERT +varying vec3 vViewPosition; #include +#include #include -#include +#include #include -#include -#include #include #include +#include #include #include #include @@ -2152,59 +2849,60 @@ varying vec3 vIndirectFront; #include void main() { #include - #include #include + #include + #include + #include #include #include #include #include #include + #include #include #include #include + #include #include #include #include + vViewPosition = - mvPosition.xyz; #include #include - #include #include #include -}`,z0=`uniform vec3 diffuse; +}`,Wy=`#define LAMBERT +uniform vec3 diffuse; uniform vec3 emissive; uniform float opacity; -varying vec3 vLightFront; -varying vec3 vIndirectFront; -#ifdef DOUBLE_SIDED - varying vec3 vLightBack; - varying vec3 vIndirectBack; -#endif #include #include #include #include #include -#include #include #include #include +#include #include #include #include #include #include -#include +#include #include #include -#include +#include +#include #include -#include +#include +#include #include #include #include void main() { - #include vec4 diffuseColor = vec4( diffuse, opacity ); + #include ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) ); vec3 totalEmissiveRadiance = emissive; #include @@ -2212,33 +2910,28 @@ void main() { #include #include #include + #include #include + #include + #include #include - #ifdef DOUBLE_SIDED - reflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack; - #else - reflectedLight.indirectDiffuse += vIndirectFront; - #endif - #include - reflectedLight.indirectDiffuse *= BRDF_Lambert( diffuseColor.rgb ); - #ifdef DOUBLE_SIDED - reflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack; - #else - reflectedLight.directDiffuse = vLightFront; - #endif - reflectedLight.directDiffuse *= BRDF_Lambert( diffuseColor.rgb ) * getShadowMask(); + #include + #include + #include + #include #include vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance; #include - #include + #include #include - #include + #include #include #include #include -}`,G0=`#define MATCAP +}`,Xy=`#define MATCAP varying vec3 vViewPosition; #include +#include #include #include #include @@ -2251,6 +2944,9 @@ varying vec3 vViewPosition; void main() { #include #include + #include + #include + #include #include #include #include @@ -2266,7 +2962,7 @@ void main() { #include #include vViewPosition = - mvPosition.xyz; -}`,k0=`#define MATCAP +}`,Yy=`#define MATCAP uniform vec3 diffuse; uniform float opacity; uniform sampler2D matcap; @@ -2278,6 +2974,7 @@ varying vec3 vViewPosition; #include #include #include +#include #include #include #include @@ -2285,13 +2982,14 @@ varying vec3 vViewPosition; #include #include void main() { - #include vec4 diffuseColor = vec4( diffuse, opacity ); + #include #include #include #include #include #include + #include #include #include vec3 viewDir = normalize( vViewPosition ); @@ -2300,22 +2998,22 @@ void main() { vec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5; #ifdef USE_MATCAP vec4 matcapColor = texture2D( matcap, uv ); - matcapColor = matcapTexelToLinear( matcapColor ); #else - vec4 matcapColor = vec4( 1.0 ); + vec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 ); #endif vec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb; - #include + #include #include - #include + #include #include #include #include -}`,V0=`#define NORMAL -#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP ) +}`,jy=`#define NORMAL +#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE ) varying vec3 vViewPosition; #endif #include +#include #include #include #include @@ -2325,7 +3023,9 @@ void main() { #include void main() { #include + #include #include + #include #include #include #include @@ -2338,12 +3038,12 @@ void main() { #include #include #include -#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP ) +#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE ) vViewPosition = - mvPosition.xyz; #endif -}`,W0=`#define NORMAL +}`,qy=`#define NORMAL uniform float opacity; -#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP ) +#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE ) varying vec3 vViewPosition; #endif #include @@ -2354,16 +3054,20 @@ uniform float opacity; #include #include void main() { + vec4 diffuseColor = vec4( 0.0, 0.0, 0.0, opacity ); #include #include #include #include - gl_FragColor = vec4( packNormalToRGB( normal ), opacity ); -}`,Y0=`#define PHONG + gl_FragColor = vec4( packNormalToRGB( normal ), diffuseColor.a ); + #ifdef OPAQUE + gl_FragColor.a = 1.0; + #endif +}`,Zy=`#define PHONG varying vec3 vViewPosition; #include +#include #include -#include #include #include #include @@ -2376,9 +3080,11 @@ varying vec3 vViewPosition; #include void main() { #include - #include #include + #include + #include #include + #include #include #include #include @@ -2396,7 +3102,7 @@ void main() { #include #include #include -}`,j0=`#define PHONG +}`,Qy=`#define PHONG uniform vec3 diffuse; uniform vec3 emissive; uniform vec3 specular; @@ -2407,16 +3113,15 @@ uniform float opacity; #include #include #include -#include #include #include #include +#include #include #include #include #include #include -#include #include #include #include @@ -2429,8 +3134,8 @@ uniform float opacity; #include #include void main() { - #include vec4 diffuseColor = vec4( diffuse, opacity ); + #include ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) ); vec3 totalEmissiveRadiance = emissive; #include @@ -2438,6 +3143,7 @@ void main() { #include #include #include + #include #include #include #include @@ -2449,20 +3155,20 @@ void main() { #include vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance; #include - #include + #include #include - #include + #include #include #include #include -}`,X0=`#define STANDARD +}`,Ky=`#define STANDARD varying vec3 vViewPosition; #ifdef USE_TRANSMISSION varying vec3 vWorldPosition; #endif #include +#include #include -#include #include #include #include @@ -2474,8 +3180,10 @@ varying vec3 vViewPosition; #include void main() { #include - #include #include + #include + #include + #include #include #include #include @@ -2496,10 +3204,10 @@ void main() { #ifdef USE_TRANSMISSION vWorldPosition = worldPosition.xyz; #endif -}`,Q0=`#define STANDARD +}`,Jy=`#define STANDARD #ifdef PHYSICAL #define IOR - #define SPECULAR + #define USE_SPECULAR #endif uniform vec3 diffuse; uniform vec3 emissive; @@ -2509,44 +3217,59 @@ uniform float opacity; #ifdef IOR uniform float ior; #endif -#ifdef SPECULAR +#ifdef USE_SPECULAR uniform float specularIntensity; uniform vec3 specularColor; - #ifdef USE_SPECULARINTENSITYMAP - uniform sampler2D specularIntensityMap; - #endif - #ifdef USE_SPECULARCOLORMAP + #ifdef USE_SPECULAR_COLORMAP uniform sampler2D specularColorMap; #endif + #ifdef USE_SPECULAR_INTENSITYMAP + uniform sampler2D specularIntensityMap; + #endif #endif #ifdef USE_CLEARCOAT uniform float clearcoat; uniform float clearcoatRoughness; #endif +#ifdef USE_DISPERSION + uniform float dispersion; +#endif +#ifdef USE_IRIDESCENCE + uniform float iridescence; + uniform float iridescenceIOR; + uniform float iridescenceThicknessMinimum; + uniform float iridescenceThicknessMaximum; +#endif #ifdef USE_SHEEN uniform vec3 sheenColor; uniform float sheenRoughness; - #ifdef USE_SHEENCOLORMAP + #ifdef USE_SHEEN_COLORMAP uniform sampler2D sheenColorMap; #endif - #ifdef USE_SHEENROUGHNESSMAP + #ifdef USE_SHEEN_ROUGHNESSMAP uniform sampler2D sheenRoughnessMap; #endif #endif +#ifdef USE_ANISOTROPY + uniform vec2 anisotropyVector; + #ifdef USE_ANISOTROPYMAP + uniform sampler2D anisotropyMap; + #endif +#endif varying vec3 vViewPosition; #include #include #include #include #include -#include #include #include #include +#include #include #include #include -#include +#include #include #include #include @@ -2559,13 +3282,14 @@ varying vec3 vViewPosition; #include #include #include +#include #include #include #include #include void main() { - #include vec4 diffuseColor = vec4( diffuse, opacity ); + #include ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) ); vec3 totalEmissiveRadiance = emissive; #include @@ -2573,6 +3297,7 @@ void main() { #include #include #include + #include #include #include #include @@ -2589,22 +3314,26 @@ void main() { vec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular; #include vec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance; + #ifdef USE_SHEEN + float sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor ); + outgoingLight = outgoingLight * sheenEnergyComp + sheenSpecularDirect + sheenSpecularIndirect; + #endif #ifdef USE_CLEARCOAT - float dotNVcc = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) ); + float dotNVcc = saturate( dot( geometryClearcoatNormal, geometryViewDir ) ); vec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc ); - outgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + clearcoatSpecular * material.clearcoat; + outgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + ( clearcoatSpecularDirect + clearcoatSpecularIndirect ) * material.clearcoat; #endif - #include + #include #include - #include + #include #include #include #include -}`,q0=`#define TOON +}`,$y=`#define TOON varying vec3 vViewPosition; #include +#include #include -#include #include #include #include @@ -2616,8 +3345,10 @@ varying vec3 vViewPosition; #include void main() { #include - #include #include + #include + #include + #include #include #include #include @@ -2635,7 +3366,7 @@ void main() { #include #include #include -}`,Z0=`#define TOON +}`,eA=`#define TOON uniform vec3 diffuse; uniform vec3 emissive; uniform float opacity; @@ -2644,10 +3375,10 @@ uniform float opacity; #include #include #include -#include #include #include #include +#include #include #include #include @@ -2663,8 +3394,8 @@ uniform float opacity; #include #include void main() { - #include vec4 diffuseColor = vec4( diffuse, opacity ); + #include ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) ); vec3 totalEmissiveRadiance = emissive; #include @@ -2672,6 +3403,7 @@ void main() { #include #include #include + #include #include #include #include @@ -2681,13 +3413,13 @@ void main() { #include #include vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance; - #include + #include #include - #include + #include #include #include #include -}`,J0=`uniform float size; +}`,tA=`uniform float size; uniform float scale; #include #include @@ -2695,8 +3427,17 @@ uniform float scale; #include #include #include +#ifdef USE_POINTS_UV + varying vec2 vUv; + uniform mat3 uvTransform; +#endif void main() { + #ifdef USE_POINTS_UV + vUv = ( uvTransform * vec3( uv, 1 ) ).xy; + #endif #include + #include + #include #include #include #include @@ -2709,36 +3450,42 @@ void main() { #include #include #include -}`,K0=`uniform vec3 diffuse; +}`,iA=`uniform vec3 diffuse; uniform float opacity; #include #include #include #include +#include #include #include #include void main() { + vec4 diffuseColor = vec4( diffuse, opacity ); #include vec3 outgoingLight = vec3( 0.0 ); - vec4 diffuseColor = vec4( diffuse, opacity ); #include #include #include #include + #include outgoingLight = diffuseColor.rgb; - #include + #include #include - #include + #include #include #include -}`,$0=`#include +}`,nA=`#include +#include #include #include #include +#include #include void main() { + #include #include + #include #include #include #include @@ -2747,24 +3494,27 @@ void main() { #include #include #include + #include #include #include #include -}`,ex=`uniform vec3 color; +}`,rA=`uniform vec3 color; uniform float opacity; #include #include #include #include #include +#include #include #include void main() { + #include gl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) ); #include - #include + #include #include -}`,tx=`uniform float rotation; +}`,sA=`uniform float rotation; uniform vec2 center; #include #include @@ -2773,10 +3523,8 @@ uniform vec2 center; #include void main() { #include - vec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 ); - vec2 scale; - scale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) ); - scale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) ); + vec4 mvPosition = modelViewMatrix[ 3 ]; + vec2 scale = vec2( length( modelMatrix[ 0 ].xyz ), length( modelMatrix[ 1 ].xyz ) ); #ifndef USE_SIZEATTENUATION bool isPerspective = isPerspectiveMatrix( projectionMatrix ); if ( isPerspective ) scale *= - mvPosition.z; @@ -2790,30 +3538,32 @@ void main() { #include #include #include -}`,nx=`uniform vec3 diffuse; +}`,aA=`uniform vec3 diffuse; uniform float opacity; #include #include #include #include #include +#include #include #include #include void main() { + vec4 diffuseColor = vec4( diffuse, opacity ); #include vec3 outgoingLight = vec3( 0.0 ); - vec4 diffuseColor = vec4( diffuse, opacity ); #include #include #include #include + #include outgoingLight = diffuseColor.rgb; - #include + #include #include - #include + #include #include 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Ke({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null}},vertexShader:df(),fragmentShader:` precision mediump float; precision mediump int; @@ -2885,61 +3631,38 @@ void main() { varying vec3 vOutputDirection; uniform sampler2D envMap; - uniform vec2 texelSize; - - ${fc()} #include void main() { - gl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 ); - vec3 outputDirection = normalize( vOutputDirection ); vec2 uv = equirectUv( outputDirection ); - vec2 f = fract( uv / texelSize - 0.5 ); - uv -= f * texelSize; - vec3 tl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb; - uv.x += texelSize.x; - vec3 tr = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb; - uv.y += texelSize.y; - vec3 br = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb; - uv.x -= texelSize.x; - vec3 bl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb; - - vec3 tm = mix( tl, tr, f.x ); - vec3 bm = mix( bl, br, f.x ); - gl_FragColor.rgb = mix( tm, bm, f.y ); - - gl_FragColor = linearToOutputTexel( gl_FragColor ); + gl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 ); } - `,blending:xt,depthTest:!1,depthWrite:!1})}function Bd(){return new Vi({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},inputEncoding:{value:Wi[ft]},outputEncoding:{value:Wi[ft]}},vertexShader:dc(),fragmentShader:` + `,blending:Dt,depthTest:!1,depthWrite:!1})}function lg(){return new Ke({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},flipEnvMap:{value:-1}},vertexShader:df(),fragmentShader:` precision mediump float; precision mediump int; + uniform float flipEnvMap; + varying vec3 vOutputDirection; uniform samplerCube envMap; - ${fc()} - void main() { - gl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 ); - gl_FragColor.rgb = envMapTexelToLinear( textureCube( envMap, vec3( - vOutputDirection.x, vOutputDirection.yz ) ) ).rgb; - gl_FragColor = linearToOutputTexel( gl_FragColor ); + gl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) ); } - 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x(w){let I=w.skeleton.bones;if(u)return 1024;{let R=Math.floor((h-20)/4),Z=Math.min(R,I.length);return 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Ni(h.textureWidth,h.textureHeight,{format:Tt,type:lt,depthTexture:new ui(h.textureWidth,h.textureHeight,ue,void 0,void 0,void 0,void 0,void 0,void 0,j),stencilBuffer:v.stencil,ignoreDepth:h.ignoreDepthValues,useRenderToTexture:l}):g=new We(h.textureWidth,h.textureHeight,{format:v.alpha?Tt:Zn,type:lt,depthTexture:new ui(h.textureWidth,h.textureHeight,ue,void 0,void 0,void 0,void 0,void 0,void 0,j),stencilBuffer:v.stencil,ignoreDepth:h.ignoreDepthValues})}this.setFoveation(0),a=yield i.requestReferenceSpace(o),fe.setContext(i),fe.start(),n.isPresenting=!0,n.dispatchEvent({type:"sessionstart"})}})};function Z(Y){let j=i.inputSources;for(let ue=0;ue0&&(g.alphaTest.value=m.alphaTest);let b=r.get(m).envMap;b&&(g.envMap.value=b,g.flipEnvMap.value=b.isCubeTexture&&b.isRenderTargetTexture===!1?-1:1,g.reflectivity.value=m.reflectivity,g.ior.value=m.ior,g.refractionRatio.value=m.refractionRatio),m.lightMap&&(g.lightMap.value=m.lightMap,g.lightMapIntensity.value=m.lightMapIntensity),m.aoMap&&(g.aoMap.value=m.aoMap,g.aoMapIntensity.value=m.aoMapIntensity);let y;m.map?y=m.map:m.specularMap?y=m.specularMap:m.displacementMap?y=m.displacementMap:m.normalMap?y=m.normalMap:m.bumpMap?y=m.bumpMap:m.roughnessMap?y=m.roughnessMap:m.metalnessMap?y=m.metalnessMap:m.alphaMap?y=m.alphaMap:m.emissiveMap?y=m.emissiveMap:m.clearcoatMap?y=m.clearcoatMap:m.clearcoatNormalMap?y=m.clearcoatNormalMap:m.clearcoatRoughnessMap?y=m.clearcoatRoughnessMap:m.specularIntensityMap?y=m.specularIntensityMap:m.specularColorMap?y=m.specularColorMap:m.transmissionMap?y=m.transmissionMap:m.thicknessMap?y=m.thicknessMap:m.sheenColorMap?y=m.sheenColorMap:m.sheenRoughnessMap&&(y=m.sheenRoughnessMap),y!==void 0&&(y.isWebGLRenderTarget&&(y=y.texture),y.matrixAutoUpdate===!0&&y.updateMatrix(),g.uvTransform.value.copy(y.matrix));let E;m.aoMap?E=m.aoMap:m.lightMap&&(E=m.lightMap),E!==void 0&&(E.isWebGLRenderTarget&&(E=E.texture),E.matrixAutoUpdate===!0&&E.updateMatrix(),g.uv2Transform.value.copy(E.matrix))}function i(g,m){g.diffuse.value.copy(m.color),g.opacity.value=m.opacity}function s(g,m){g.dashSize.value=m.dashSize,g.totalSize.value=m.dashSize+m.gapSize,g.scale.value=m.scale}function a(g,m,b,y){g.diffuse.value.copy(m.color),g.opacity.value=m.opacity,g.size.value=m.size*b,g.scale.value=y*.5,m.map&&(g.map.value=m.map),m.alphaMap&&(g.alphaMap.value=m.alphaMap),m.alphaTest>0&&(g.alphaTest.value=m.alphaTest);let E;m.map?E=m.map:m.alphaMap&&(E=m.alphaMap),E!==void 0&&(E.matrixAutoUpdate===!0&&E.updateMatrix(),g.uvTransform.value.copy(E.matrix))}function o(g,m){g.diffuse.value.copy(m.color),g.opacity.value=m.opacity,g.rotation.value=m.rotation,m.map&&(g.map.value=m.map),m.alphaMap&&(g.alphaMap.value=m.alphaMap),m.alphaTest>0&&(g.alphaTest.value=m.alphaTest);let b;m.map?b=m.map:m.alphaMap&&(b=m.alphaMap),b!==void 0&&(b.matrixAutoUpdate===!0&&b.updateMatrix(),g.uvTransform.value.copy(b.matrix))}function l(g,m){m.emissiveMap&&(g.emissiveMap.value=m.emissiveMap)}function c(g,m){g.specular.value.copy(m.specular),g.shininess.value=Math.max(m.shininess,1e-4),m.emissiveMap&&(g.emissiveMap.value=m.emissiveMap),m.bumpMap&&(g.bumpMap.value=m.bumpMap,g.bumpScale.value=m.bumpScale,m.side===Qe&&(g.bumpScale.value*=-1)),m.normalMap&&(g.normalMap.value=m.normalMap,g.normalScale.value.copy(m.normalScale),m.side===Qe&&g.normalScale.value.negate()),m.displacementMap&&(g.displacementMap.value=m.displacementMap,g.displacementScale.value=m.displacementScale,g.displacementBias.value=m.displacementBias)}function u(g,m){m.gradientMap&&(g.gradientMap.value=m.gradientMap),m.emissiveMap&&(g.emissiveMap.value=m.emissiveMap),m.bumpMap&&(g.bumpMap.value=m.bumpMap,g.bumpScale.value=m.bumpScale,m.side===Qe&&(g.bumpScale.value*=-1)),m.normalMap&&(g.normalMap.value=m.normalMap,g.normalScale.value.copy(m.normalScale),m.side===Qe&&g.normalScale.value.negate()),m.displacementMap&&(g.displacementMap.value=m.displacementMap,g.displacementScale.value=m.displacementScale,g.displacementBias.value=m.displacementBias)}function h(g,m){g.roughness.value=m.roughness,g.metalness.value=m.metalness,m.roughnessMap&&(g.roughnessMap.value=m.roughnessMap),m.metalnessMap&&(g.metalnessMap.value=m.metalnessMap),m.emissiveMap&&(g.emissiveMap.value=m.emissiveMap),m.bumpMap&&(g.bumpMap.value=m.bumpMap,g.bumpScale.value=m.bumpScale,m.side===Qe&&(g.bumpScale.value*=-1)),m.normalMap&&(g.normalMap.value=m.normalMap,g.normalScale.value.copy(m.normalScale),m.side===Qe&&g.normalScale.value.negate()),m.displacementMap&&(g.displacementMap.value=m.displacementMap,g.displacementScale.value=m.displacementScale,g.displacementBias.value=m.displacementBias),r.get(m).envMap&&(g.envMapIntensity.value=m.envMapIntensity)}function d(g,m,b){h(g,m),g.ior.value=m.ior,m.sheen>0&&(g.sheenColor.value.copy(m.sheenColor).multiplyScalar(m.sheen),g.sheenRoughness.value=m.sheenRoughness,m.sheenColorMap&&(g.sheenColorMap.value=m.sheenColorMap),m.sheenRoughnessMap&&(g.sheenRoughnessMap.value=m.sheenRoughnessMap)),m.clearcoat>0&&(g.clearcoat.value=m.clearcoat,g.clearcoatRoughness.value=m.clearcoatRoughness,m.clearcoatMap&&(g.clearcoatMap.value=m.clearcoatMap),m.clearcoatRoughnessMap&&(g.clearcoatRoughnessMap.value=m.clearcoatRoughnessMap),m.clearcoatNormalMap&&(g.clearcoatNormalScale.value.copy(m.clearcoatNormalScale),g.clearcoatNormalMap.value=m.clearcoatNormalMap,m.side===Qe&&g.clearcoatNormalScale.value.negate())),m.transmission>0&&(g.transmission.value=m.transmission,g.transmissionSamplerMap.value=b.texture,g.transmissionSamplerSize.value.set(b.width,b.height),m.transmissionMap&&(g.transmissionMap.value=m.transmissionMap),g.thickness.value=m.thickness,m.thicknessMap&&(g.thicknessMap.value=m.thicknessMap),g.attenuationDistance.value=m.attenuationDistance,g.attenuationColor.value.copy(m.attenuationColor)),g.specularIntensity.value=m.specularIntensity,g.specularColor.value.copy(m.specularColor),m.specularIntensityMap&&(g.specularIntensityMap.value=m.specularIntensityMap),m.specularColorMap&&(g.specularColorMap.value=m.specularColorMap)}function f(g,m){m.matcap&&(g.matcap.value=m.matcap),m.bumpMap&&(g.bumpMap.value=m.bumpMap,g.bumpScale.value=m.bumpScale,m.side===Qe&&(g.bumpScale.value*=-1)),m.normalMap&&(g.normalMap.value=m.normalMap,g.normalScale.value.copy(m.normalScale),m.side===Qe&&g.normalScale.value.negate()),m.displacementMap&&(g.displacementMap.value=m.displacementMap,g.displacementScale.value=m.displacementScale,g.displacementBias.value=m.displacementBias)}function p(g,m){m.displacementMap&&(g.displacementMap.value=m.displacementMap,g.displacementScale.value=m.displacementScale,g.displacementBias.value=m.displacementBias)}function v(g,m){m.displacementMap&&(g.displacementMap.value=m.displacementMap,g.displacementScale.value=m.displacementScale,g.displacementBias.value=m.displacementBias),g.referencePosition.value.copy(m.referencePosition),g.nearDistance.value=m.nearDistance,g.farDistance.value=m.farDistance}function x(g,m){m.bumpMap&&(g.bumpMap.value=m.bumpMap,g.bumpScale.value=m.bumpScale,m.side===Qe&&(g.bumpScale.value*=-1)),m.normalMap&&(g.normalMap.value=m.normalMap,g.normalScale.value.copy(m.normalScale),m.side===Qe&&g.normalScale.value.negate()),m.displacementMap&&(g.displacementMap.value=m.displacementMap,g.displacementScale.value=m.displacementScale,g.displacementBias.value=m.displacementBias)}return{refreshFogUniforms:e,refreshMaterialUniforms:t}}function ky(){let r=Ta("canvas");return r.style.display="block",r}function Ze(r={}){let e=r.canvas!==void 0?r.canvas:ky(),t=r.context!==void 0?r.context:null,n=r.alpha!==void 0?r.alpha:!1,i=r.depth!==void 0?r.depth:!0,s=r.stencil!==void 0?r.stencil:!0,a=r.antialias!==void 0?r.antialias:!1,o=r.premultipliedAlpha!==void 0?r.premultipliedAlpha:!0,l=r.preserveDrawingBuffer!==void 0?r.preserveDrawingBuffer:!1,c=r.powerPreference!==void 0?r.powerPreference:"default",u=r.failIfMajorPerformanceCaveat!==void 0?r.failIfMajorPerformanceCaveat:!1,h=null,d=null,f=[],p=[];this.domElement=e,this.debug={checkShaderErrors:!0},this.autoClear=!0,this.autoClearColor=!0,this.autoClearDepth=!0,this.autoClearStencil=!0,this.sortObjects=!0,this.clippingPlanes=[],this.localClippingEnabled=!1,this.gammaFactor=2,this.outputEncoding=ft,this.physicallyCorrectLights=!1,this.toneMapping=qn,this.toneMappingExposure=1;let v=this,x=!1,g=0,m=0,b=null,y=-1,E=null,_=new Ve,w=new Ve,D=null,I=e.width,L=e.height,R=1,Z=null,F=null,U=new Ve(0,0,I,L),z=new Ve(0,0,I,L),N=!1,G=[],ne=new Rr,fe=!1,Y=!1,j=null,ue=new ge,oe=new A,ve={background:null,fog:null,environment:null,overrideMaterial:null,isScene:!0};function Oe(){return b===null?R:1}let J=t;function Re(M,B){for(let k=0;k0?d=p[p.length-1]:d=null,f.pop(),f.length>0?h=f[f.length-1]:h=null};function _u(M,B,k,H){if(M.visible===!1)return;if(M.layers.test(B.layers)){if(M.isGroup)k=M.renderOrder;else if(M.isLOD)M.autoUpdate===!0&&M.update(B);else if(M.isLight)d.pushLight(M),M.castShadow&&d.pushShadow(M);else if(M.isSprite){if(!M.frustumCulled||ne.intersectsSprite(M)){H&&oe.setFromMatrixPosition(M.matrixWorld).applyMatrix4(ue);let Ae=Se.update(M),Le=M.material;Le.visible&&h.push(M,Ae,Le,k,oe.z,null)}}else if((M.isMesh||M.isLine||M.isPoints)&&(M.isSkinnedMesh&&M.skeleton.frame!==Ue.render.frame&&(M.skeleton.update(),M.skeleton.frame=Ue.render.frame),!M.frustumCulled||ne.intersectsObject(M))){H&&oe.setFromMatrixPosition(M.matrixWorld).applyMatrix4(ue);let Ae=Se.update(M),Le=M.material;if(Array.isArray(Le)){let Ce=Ae.groups;for(let ke=0,Ie=Ce.length;ke0&&hm(X,B,k),H&&we.viewport(_.copy(H)),X.length>0&&ga(X,B,k),Te.length>0&&ga(Te,B,k),Ae.length>0&&ga(Ae,B,k)}function hm(M,B,k){if(j===null){let Ae=a===!0&&xe.isWebGL2===!0?Ni:We;j=new Ae(1024,1024,{generateMipmaps:!0,type:T.convert(Ii)!==null?Ii:lt,minFilter:Pi,magFilter:At,wrapS:_t,wrapT:_t,useRenderToTexture:be.has("WEBGL_multisampled_render_to_texture")})}let H=v.getRenderTarget();v.setRenderTarget(j),v.clear();let X=v.toneMapping;v.toneMapping=qn,ga(M,B,k),v.toneMapping=X,ee.updateMultisampleRenderTarget(j),ee.updateRenderTargetMipmap(j),v.setRenderTarget(H)}function ga(M,B,k){let H=B.isScene===!0?B.overrideMaterial:null;for(let X=0,Te=M.length;X=0&&B<=M.width-H&&k>=0&&k<=M.height-X&&J.readPixels(B,k,H,X,T.convert(ke),T.convert(Ie),Te):console.error("THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.")}finally{let Ce=b!==null?W.get(b).__webglFramebuffer:null;we.bindFramebuffer(36160,Ce)}}},this.copyFramebufferToTexture=function(M,B,k=0){let H=Math.pow(2,-k),X=Math.floor(B.image.width*H),Te=Math.floor(B.image.height*H),Ae=T.convert(B.format);xe.isWebGL2&&(Ae===6407&&(Ae=32849),Ae===6408&&(Ae=32856)),ee.setTexture2D(B,0),J.copyTexImage2D(3553,k,Ae,M.x,M.y,X,Te,0),we.unbindTexture()},this.copyTextureToTexture=function(M,B,k,H=0){let X=B.image.width,Te=B.image.height,Ae=T.convert(k.format),Le=T.convert(k.type);ee.setTexture2D(k,0),J.pixelStorei(37440,k.flipY),J.pixelStorei(37441,k.premultiplyAlpha),J.pixelStorei(3317,k.unpackAlignment),B.isDataTexture?J.texSubImage2D(3553,H,M.x,M.y,X,Te,Ae,Le,B.image.data):B.isCompressedTexture?J.compressedTexSubImage2D(3553,H,M.x,M.y,B.mipmaps[0].width,B.mipmaps[0].height,Ae,B.mipmaps[0].data):J.texSubImage2D(3553,H,M.x,M.y,Ae,Le,B.image),H===0&&k.generateMipmaps&&J.generateMipmap(3553),we.unbindTexture()},this.copyTextureToTexture3D=function(M,B,k,H,X=0){if(v.isWebGL1Renderer){console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.");return}let Te=M.max.x-M.min.x+1,Ae=M.max.y-M.min.y+1,Le=M.max.z-M.min.z+1,Ce=T.convert(H.format),ke=T.convert(H.type),Ie;if(H.isDataTexture3D)ee.setTexture3D(H,0),Ie=32879;else if(H.isDataTexture2DArray)ee.setTexture2DArray(H,0),Ie=35866;else{console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports 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srcTexture."),J.compressedTexSubImage3D(Ie,X,B.x,B.y,B.z,Te,Ae,Le,Ce,it.data)):J.texSubImage3D(Ie,X,B.x,B.y,B.z,Te,Ae,Le,Ce,ke,it),J.pixelStorei(3314,He),J.pixelStorei(32878,ht),J.pixelStorei(3316,Ei),J.pixelStorei(3315,Xe),J.pixelStorei(32877,vs),X===0&&H.generateMipmaps&&J.generateMipmap(Ie),we.unbindTexture()},this.initTexture=function(M){ee.setTexture2D(M,0),we.unbindTexture()},this.resetState=function(){g=0,m=0,b=null,we.reset(),V.reset()},typeof __THREE_DEVTOOLS__!="undefined"&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}Ze.prototype.isWebGLRenderer=!0;var Ys=class extends Ze{};Ys.prototype.isWebGL1Renderer=!0;var Fr=class{constructor(e,t=25e-5){this.name="",this.color=new $(e),this.density=t}clone(){return new Fr(this.color,this.density)}toJSON(){return{type:"FogExp2",color:this.color.getHex(),density:this.density}}};Fr.prototype.isFogExp2=!0;var Or=class{constructor(e,t=1,n=1e3){this.name="",this.color=new $(e),this.near=t,this.far=n}clone(){return new Or(this.color,this.near,this.far)}toJSON(){return{type:"Fog",color:this.color.getHex(),near:this.near,far:this.far}}};Or.prototype.isFog=!0;var mn=class extends _e{constructor(){super();this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.overrideMaterial=null,this.autoUpdate=!0,typeof __THREE_DEVTOOLS__!="undefined"&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(e,t){return super.copy(e,t),e.background!==null&&(this.background=e.background.clone()),e.environment!==null&&(this.environment=e.environment.clone()),e.fog!==null&&(this.fog=e.fog.clone()),e.overrideMaterial!==null&&(this.overrideMaterial=e.overrideMaterial.clone()),this.autoUpdate=e.autoUpdate,this.matrixAutoUpdate=e.matrixAutoUpdate,this}toJSON(e){let t=super.toJSON(e);return this.fog!==null&&(t.object.fog=this.fog.toJSON()),t}};mn.prototype.isScene=!0;var hi=class{constructor(e,t){this.array=e,this.stride=t,this.count=e!==void 0?e.length/t:0,this.usage=pr,this.updateRange={offset:0,count:-1},this.version=0,this.uuid=Wt()}onUploadCallback(){}set needsUpdate(e){e===!0&&this.version++}setUsage(e){return this.usage=e,this}copy(e){return this.array=new e.array.constructor(e.array),this.count=e.count,this.stride=e.stride,this.usage=e.usage,this}copyAt(e,t,n){e*=this.stride,n*=t.stride;for(let i=0,s=this.stride;ie.far||t.push({distance:l,point:js.clone(),uv:pt.getUV(js,Ka,Qs,$a,uf,gc,hf,new O),face:null,object:this})}copy(e){return super.copy(e),e.center!==void 0&&this.center.copy(e.center),this.material=e.material,this}};Qi.prototype.isSprite=!0;function eo(r,e,t,n,i,s){Gr.subVectors(r,t).addScalar(.5).multiply(n),i!==void 0?(Xs.x=s*Gr.x-i*Gr.y,Xs.y=i*Gr.x+s*Gr.y):Xs.copy(Gr),r.copy(e),r.x+=Xs.x,r.y+=Xs.y,r.applyMatrix4(cf)}var to=new A,df=new A,kr=class extends 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s=e,a=t-n;s2&&r[e-1].equals(r[0])&&r.pop()}function If(r,e){for(let t=0;tNumber.EPSILON){let Q=Math.sqrt(S),ye=Math.sqrt(Je*Je+C*C),me=ee.x-Pe/Q,P=ee.y+Se/Q,ie=te.x-C/ye,T=te.y+Je/ye,V=((ie-me)*C-(T-P)*Je)/(Se*C-Pe*Je);he=me+Se*V-W.x,ae=P+Pe*V-W.y;let K=he*he+ae*ae;if(K<=2)return new O(he,ae);Me=Math.sqrt(K/2)}else{let Q=!1;Se>Number.EPSILON?Je>Number.EPSILON&&(Q=!0):Se<-Number.EPSILON?Je<-Number.EPSILON&&(Q=!0):Math.sign(Pe)===Math.sign(C)&&(Q=!0),Q?(he=-Pe,ae=Se,Me=Math.sqrt(S)):(he=Se,ae=Pe,Me=Math.sqrt(S/2))}return new O(he/Me,ae/Me)}let fe=[];for(let W=0,ee=U.length,te=ee-1,he=W+1;W=0;W--){let ee=W/x,te=f*Math.cos(ee*Math.PI/2),he=p*Math.sin(ee*Math.PI/2)+v;for(let ae=0,Me=U.length;ae=0;){let he=te,ae=te-1;ae<0&&(ae=W.length-1);for(let Me=0,Se=u+x*2;Me0)&&f.push(b,y,_),(g!==n-1||l0!=e>0&&this.version++,this._sheen=e}get clearcoat(){return this._clearcoat}set clearcoat(e){this._clearcoat>0!=e>0&&this.version++,this._clearcoat=e}get transmission(){return this._transmission}set transmission(e){this._transmission>0!=e>0&&this.version++,this._transmission=e}copy(e){return super.copy(e),this.defines={STANDARD:"",PHYSICAL:""},this.clearcoat=e.clearcoat,this.clearcoatMap=e.clearcoatMap,this.clearcoatRoughness=e.clearcoatRoughness,this.clearcoatRoughnessMap=e.clearcoatRoughnessMap,this.clearcoatNormalMap=e.clearcoatNormalMap,this.clearcoatNormalScale.copy(e.clearcoatNormalScale),this.ior=e.ior,this.sheen=e.sheen,this.sheenColor.copy(e.sheenColor),this.sheenColorMap=e.sheenColorMap,this.sheenRoughness=e.sheenRoughness,this.sheenRoughnessMap=e.sheenRoughnessMap,this.transmission=e.transmission,this.transmissionMap=e.transmissionMap,this.thickness=e.thickness,this.thicknessMap=e.thicknessMap,this.attenuationDistance=e.attenuationDistance,this.attenuationColor.copy(e.attenuationColor),this.specularIntensity=e.specularIntensity,this.specularIntensityMap=e.specularIntensityMap,this.specularColor.copy(e.specularColor),this.specularColorMap=e.specularColorMap,this}};Eo.prototype.isMeshPhysicalMaterial=!0;var ns=class extends tt{constructor(e){super();this.type="MeshPhongMaterial",this.color=new $(16777215),this.specular=new $(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new $(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Fi,this.normalScale=new O(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=ws,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.specular.copy(e.specular),this.shininess=e.shininess,this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.flatShading=e.flatShading,this}};ns.prototype.isMeshPhongMaterial=!0;var Mo=class extends tt{constructor(e){super();this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new $(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new $(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Fi,this.normalScale=new O(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.gradientMap=e.gradientMap,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this}};Mo.prototype.isMeshToonMaterial=!0;var So=class extends tt{constructor(e){super();this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Fi,this.normalScale=new O(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.flatShading=e.flatShading,this}};So.prototype.isMeshNormalMaterial=!0;var _o=class extends tt{constructor(e){super();this.type="MeshLambertMaterial",this.color=new $(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new $(0),this.emissiveIntensity=1,this.emissiveMap=null,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=ws,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this}};_o.prototype.isMeshLambertMaterial=!0;var To=class extends tt{constructor(e){super();this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new $(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Fi,this.normalScale=new O(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.defines={MATCAP:""},this.color.copy(e.color),this.matcap=e.matcap,this.map=e.map,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.flatShading=e.flatShading,this}};To.prototype.isMeshMatcapMaterial=!0;var Co=class extends 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ss=class{constructor(e,t=-1,n,i=Aa){this.name=e,this.tracks=n,this.duration=t,this.blendMode=i,this.uuid=Wt(),this.duration<0&&this.resetDuration()}static parse(e){let t=[],n=e.tracks,i=1/(e.fps||1);for(let a=0,o=n.length;a!==o;++a)t.push(ww(n[a]).scale(i));let s=new this(e.name,e.duration,t,e.blendMode);return s.uuid=e.uuid,s}static toJSON(e){let t=[],n=e.tracks,i={name:e.name,duration:e.duration,tracks:t,uuid:e.uuid,blendMode:e.blendMode};for(let s=0,a=n.length;s!==a;++s)t.push($t.toJSON(n[s]));return i}static CreateFromMorphTargetSequence(e,t,n,i){let s=t.length,a=[];for(let o=0;o1){let h=u[1],d=i[h];d||(i[h]=d=[]),d.push(c)}}let a=[];for(let o in i)a.push(this.CreateFromMorphTargetSequence(o,i[o],t,n));return a}static parseAnimation(e,t){if(!e)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;let n=function(h,d,f,p,v){if(f.length!==0){let x=[],g=[];rt.flattenJSON(f,x,g,p),x.length!==0&&v.push(new 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in e.extensions)i.extensions[s]=e.extensions[s];if(e.shading!==void 0&&(i.flatShading=e.shading===1),e.size!==void 0&&(i.size=e.size),e.sizeAttenuation!==void 0&&(i.sizeAttenuation=e.sizeAttenuation),e.map!==void 0&&(i.map=n(e.map)),e.matcap!==void 0&&(i.matcap=n(e.matcap)),e.alphaMap!==void 0&&(i.alphaMap=n(e.alphaMap)),e.bumpMap!==void 0&&(i.bumpMap=n(e.bumpMap)),e.bumpScale!==void 0&&(i.bumpScale=e.bumpScale),e.normalMap!==void 0&&(i.normalMap=n(e.normalMap)),e.normalMapType!==void 0&&(i.normalMapType=e.normalMapType),e.normalScale!==void 0){let s=e.normalScale;Array.isArray(s)===!1&&(s=[s,s]),i.normalScale=new O().fromArray(s)}return e.displacementMap!==void 0&&(i.displacementMap=n(e.displacementMap)),e.displacementScale!==void 0&&(i.displacementScale=e.displacementScale),e.displacementBias!==void 0&&(i.displacementBias=e.displacementBias),e.roughnessMap!==void 0&&(i.roughnessMap=n(e.roughnessMap)),e.metalnessMap!==void 0&&(i.metalnessMap=n(e.metalnessMap)),e.emissiveMap!==void 0&&(i.emissiveMap=n(e.emissiveMap)),e.emissiveIntensity!==void 0&&(i.emissiveIntensity=e.emissiveIntensity),e.specularMap!==void 0&&(i.specularMap=n(e.specularMap)),e.specularIntensityMap!==void 0&&(i.specularIntensityMap=n(e.specularIntensityMap)),e.specularColorMap!==void 0&&(i.specularColorMap=n(e.specularColorMap)),e.envMap!==void 0&&(i.envMap=n(e.envMap)),e.envMapIntensity!==void 0&&(i.envMapIntensity=e.envMapIntensity),e.reflectivity!==void 0&&(i.reflectivity=e.reflectivity),e.refractionRatio!==void 0&&(i.refractionRatio=e.refractionRatio),e.lightMap!==void 0&&(i.lightMap=n(e.lightMap)),e.lightMapIntensity!==void 0&&(i.lightMapIntensity=e.lightMapIntensity),e.aoMap!==void 0&&(i.aoMap=n(e.aoMap)),e.aoMapIntensity!==void 0&&(i.aoMapIntensity=e.aoMapIntensity),e.gradientMap!==void 0&&(i.gradientMap=n(e.gradientMap)),e.clearcoatMap!==void 0&&(i.clearcoatMap=n(e.clearcoatMap)),e.clearcoatRoughnessMap!==void 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e=1,t=this.filters.length;e0&&this._mixBufferRegionAdditive(n,i,this._addIndex*t,1,t);for(let l=t,c=t+t;l!==c;++l)if(n[l]!==n[l+t]){o.setValue(n,i);break}}saveOriginalState(){let e=this.binding,t=this.buffer,n=this.valueSize,i=n*this._origIndex;e.getValue(t,i);for(let s=n,a=i;s!==a;++s)t[s]=t[i+s%n];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){let e=this.valueSize*3;this.binding.setValue(this.buffer,e)}_setAdditiveIdentityNumeric(){let e=this._addIndex*this.valueSize,t=e+this.valueSize;for(let n=e;n=.5)for(let a=0;a!==s;++a)e[t+a]=e[n+a]}_slerp(e,t,n,i){yt.slerpFlat(e,t,e,t,e,n,i)}_slerpAdditive(e,t,n,i,s){let a=this._workIndex*s;yt.multiplyQuaternionsFlat(e,a,e,t,e,n),yt.slerpFlat(e,t,e,t,e,a,i)}_lerp(e,t,n,i,s){let a=1-i;for(let o=0;o!==s;++o){let l=t+o;e[l]=e[l]*a+e[n+o]*i}}_lerpAdditive(e,t,n,i,s){for(let a=0;a!==s;++a){let o=t+a;e[o]=e[o]+e[n+a]*i}}},Zc="\\[\\]\\.:\\/",Mw=new RegExp("["+Zc+"]","g"),Jc="[^"+Zc+"]",Sw="[^"+Zc.replace("\\.","")+"]",_w=/((?:WC+[\/:])*)/.source.replace("WC",Jc),Tw=/(WCOD+)?/.source.replace("WCOD",Sw),Cw=/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",Jc),Dw=/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",Jc),Rw=new RegExp("^"+_w+Tw+Cw+Dw+"$"),Pw=["material","materials","bones"],ep=class{constructor(e,t,n){let i=n||Ge.parseTrackName(t);this._targetGroup=e,this._bindings=e.subscribe_(t,i)}getValue(e,t){this.bind();let n=this._targetGroup.nCachedObjects_,i=this._bindings[n];i!==void 0&&i.getValue(e,t)}setValue(e,t){let n=this._bindings;for(let i=this._targetGroup.nCachedObjects_,s=n.length;i!==s;++i)n[i].setValue(e,t)}bind(){let e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,n=e.length;t!==n;++t)e[t].bind()}unbind(){let e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,n=e.length;t!==n;++t)e[t].unbind()}},Ge=class{constructor(e,t,n){this.path=t,this.parsedPath=n||Ge.parseTrackName(t),this.node=Ge.findNode(e,this.parsedPath.nodeName)||e,this.rootNode=e,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(e,t,n){return e&&e.isAnimationObjectGroup?new Ge.Composite(e,t,n):new Ge(e,t,n)}static sanitizeNodeName(e){return e.replace(/\s/g,"_").replace(Mw,"")}static parseTrackName(e){let t=Rw.exec(e);if(!t)throw new Error("PropertyBinding: Cannot parse trackName: "+e);let n={nodeName:t[2],objectName:t[3],objectIndex:t[4],propertyName:t[5],propertyIndex:t[6]},i=n.nodeName&&n.nodeName.lastIndexOf(".");if(i!==void 0&&i!==-1){let s=n.nodeName.substring(i+1);Pw.indexOf(s)!==-1&&(n.nodeName=n.nodeName.substring(0,i),n.objectName=s)}if(n.propertyName===null||n.propertyName.length===0)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+e);return n}static findNode(e,t){if(!t||t===""||t==="."||t===-1||t===e.name||t===e.uuid)return e;if(e.skeleton){let n=e.skeleton.getBoneByName(t);if(n!==void 0)return n}if(e.children){let n=function(s){for(let a=0;a=s){let h=s++,d=e[h];t[d.uuid]=u,e[u]=d,t[c]=h,e[h]=l;for(let f=0,p=i;f!==p;++f){let v=n[f],x=v[h],g=v[u];v[u]=x,v[h]=g}}}this.nCachedObjects_=s}uncache(){let e=this._objects,t=this._indicesByUUID,n=this._bindings,i=n.length,s=this.nCachedObjects_,a=e.length;for(let o=0,l=arguments.length;o!==l;++o){let c=arguments[o],u=c.uuid,h=t[u];if(h!==void 0)if(delete t[u],h0&&(t[f.uuid]=h),e[h]=f,e.pop();for(let p=0,v=i;p!==v;++p){let x=n[p];x[h]=x[d],x.pop()}}}this.nCachedObjects_=s}subscribe_(e,t){let n=this._bindingsIndicesByPath,i=n[e],s=this._bindings;if(i!==void 0)return s[i];let a=this._paths,o=this._parsedPaths,l=this._objects,c=l.length,u=this.nCachedObjects_,h=new Array(c);i=s.length,n[e]=i,a.push(e),o.push(t),s.push(h);for(let d=u,f=l.length;d!==f;++d){let p=l[d];h[d]=new Ge(p,e,t)}return h}unsubscribe_(e){let t=this._bindingsIndicesByPath,n=t[e];if(n!==void 0){let i=this._paths,s=this._parsedPaths,a=this._bindings,o=a.length-1,l=a[o],c=e[o];t[c]=n,a[n]=l,a.pop(),s[n]=s[o],s.pop(),i[n]=i[o],i.pop()}}};Kc.prototype.isAnimationObjectGroup=!0;var tp=class{constructor(e,t,n=null,i=t.blendMode){this._mixer=e,this._clip=t,this._localRoot=n,this.blendMode=i;let s=t.tracks,a=s.length,o=new Array(a),l={endingStart:Bi,endingEnd:Bi};for(let c=0;c!==a;++c){let u=s[c].createInterpolant(null);o[c]=u,u.settings=l}this._interpolantSettings=l,this._interpolants=o,this._propertyBindings=new Array(a),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=rd,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&this.timeScale!==0&&this._startTime===null&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(e){return this._startTime=e,this}setLoop(e,t){return this.loop=e,this.repetitions=t,this}setEffectiveWeight(e){return this.weight=e,this._effectiveWeight=this.enabled?e:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(e){return this._scheduleFading(e,0,1)}fadeOut(e){return this._scheduleFading(e,1,0)}crossFadeFrom(e,t,n){if(e.fadeOut(t),this.fadeIn(t),n){let i=this._clip.duration,s=e._clip.duration,a=s/i,o=i/s;e.warp(1,a,t),this.warp(o,1,t)}return this}crossFadeTo(e,t,n){return e.crossFadeFrom(this,t,n)}stopFading(){let e=this._weightInterpolant;return e!==null&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}setEffectiveTimeScale(e){return this.timeScale=e,this._effectiveTimeScale=this.paused?0:e,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(e){return this.timeScale=this._clip.duration/e,this.stopWarping()}syncWith(e){return this.time=e.time,this.timeScale=e.timeScale,this.stopWarping()}halt(e){return this.warp(this._effectiveTimeScale,0,e)}warp(e,t,n){let i=this._mixer,s=i.time,a=this.timeScale,o=this._timeScaleInterpolant;o===null&&(o=i._lendControlInterpolant(),this._timeScaleInterpolant=o);let l=o.parameterPositions,c=o.sampleValues;return l[0]=s,l[1]=s+n,c[0]=e/a,c[1]=t/a,this}stopWarping(){let e=this._timeScaleInterpolant;return e!==null&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(e,t,n,i){if(!this.enabled){this._updateWeight(e);return}let s=this._startTime;if(s!==null){let l=(e-s)*n;if(l<0||n===0)return;this._startTime=null,t=n*l}t*=this._updateTimeScale(e);let a=this._updateTime(t),o=this._updateWeight(e);if(o>0){let l=this._interpolants,c=this._propertyBindings;switch(this.blendMode){case Sl:for(let u=0,h=l.length;u!==h;++u)l[u].evaluate(a),c[u].accumulateAdditive(o);break;case Aa:default:for(let u=0,h=l.length;u!==h;++u)l[u].evaluate(a),c[u].accumulate(i,o)}}}_updateWeight(e){let t=0;if(this.enabled){t=this.weight;let n=this._weightInterpolant;if(n!==null){let i=n.evaluate(e)[0];t*=i,e>n.parameterPositions[1]&&(this.stopFading(),i===0&&(this.enabled=!1))}}return this._effectiveWeight=t,t}_updateTimeScale(e){let t=0;if(!this.paused){t=this.timeScale;let n=this._timeScaleInterpolant;n!==null&&(t*=n.evaluate(e)[0],e>n.parameterPositions[1]&&(this.stopWarping(),t===0?this.paused=!0:this.timeScale=t))}return this._effectiveTimeScale=t,t}_updateTime(e){let t=this._clip.duration,n=this.loop,i=this.time+e,s=this._loopCount,a=n===sd;if(e===0)return s===-1?i:a&&(s&1)==1?t-i:i;if(n===id){s===-1&&(this._loopCount=0,this._setEndings(!0,!0,!1));e:{if(i>=t)i=t;else if(i<0)i=0;else{this.time=i;break e}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:e<0?-1:1})}}else{if(s===-1&&(e>=0?(s=0,this._setEndings(!0,this.repetitions===0,a)):this._setEndings(this.repetitions===0,!0,a)),i>=t||i<0){let o=Math.floor(i/t);i-=t*o,s+=Math.abs(o);let l=this.repetitions-s;if(l<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,i=e>0?t:0,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:e>0?1:-1});else{if(l===1){let c=e<0;this._setEndings(c,!c,a)}else this._setEndings(!1,!1,a);this._loopCount=s,this.time=i,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:o})}}else this.time=i;if(a&&(s&1)==1)return t-i}return i}_setEndings(e,t,n){let i=this._interpolantSettings;n?(i.endingStart=Ui,i.endingEnd=Ui):(e?i.endingStart=this.zeroSlopeAtStart?Ui:Bi:i.endingStart=Cs,t?i.endingEnd=this.zeroSlopeAtEnd?Ui:Bi:i.endingEnd=Cs)}_scheduleFading(e,t,n){let i=this._mixer,s=i.time,a=this._weightInterpolant;a===null&&(a=i._lendControlInterpolant(),this._weightInterpolant=a);let o=a.parameterPositions,l=a.sampleValues;return o[0]=s,l[0]=t,o[1]=s+e,l[1]=n,this}},$c=class extends Pt{constructor(e){super();this._root=e,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(e,t){let n=e._localRoot||this._root,i=e._clip.tracks,s=i.length,a=e._propertyBindings,o=e._interpolants,l=n.uuid,c=this._bindingsByRootAndName,u=c[l];u===void 0&&(u={},c[l]=u);for(let h=0;h!==s;++h){let d=i[h],f=d.name,p=u[f];if(p!==void 0)a[h]=p;else{if(p=a[h],p!==void 0){p._cacheIndex===null&&(++p.referenceCount,this._addInactiveBinding(p,l,f));continue}let v=t&&t._propertyBindings[h].binding.parsedPath;p=new qc(Ge.create(n,f,v),d.ValueTypeName,d.getValueSize()),++p.referenceCount,this._addInactiveBinding(p,l,f),a[h]=p}o[h].resultBuffer=p.buffer}}_activateAction(e){if(!this._isActiveAction(e)){if(e._cacheIndex===null){let n=(e._localRoot||this._root).uuid,i=e._clip.uuid,s=this._actionsByClip[i];this._bindAction(e,s&&s.knownActions[0]),this._addInactiveAction(e,i,n)}let t=e._propertyBindings;for(let n=0,i=t.length;n!==i;++n){let s=t[n];s.useCount++==0&&(this._lendBinding(s),s.saveOriginalState())}this._lendAction(e)}}_deactivateAction(e){if(this._isActiveAction(e)){let t=e._propertyBindings;for(let n=0,i=t.length;n!==i;++n){let s=t[n];--s.useCount==0&&(s.restoreOriginalState(),this._takeBackBinding(s))}this._takeBackAction(e)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;let e=this;this.stats={actions:{get total(){return e._actions.length},get inUse(){return e._nActiveActions}},bindings:{get total(){return e._bindings.length},get inUse(){return e._nActiveBindings}},controlInterpolants:{get total(){return e._controlInterpolants.length},get inUse(){return e._nActiveControlInterpolants}}}}_isActiveAction(e){let t=e._cacheIndex;return t!==null&&t=0;--n)e[n].stop();return this}update(e){e*=this.timeScale;let t=this._actions,n=this._nActiveActions,i=this.time+=e,s=Math.sign(e),a=this._accuIndex^=1;for(let c=0;c!==n;++c)t[c]._update(i,e,s,a);let o=this._bindings,l=this._nActiveBindings;for(let c=0;c!==l;++c)o[c].apply(a);return this}setTime(e){this.time=0;for(let t=0;tthis.max.x||e.ythis.max.y)}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y}getParameter(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(e){return!(e.max.xthis.max.x||e.max.ythis.max.y)}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return sp.copy(e).clamp(this.min,this.max).sub(e).length()}intersect(e){return this.min.max(e.min),this.max.min(e.max),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}};sr.prototype.isBox2=!0;var ap=new A,zo=new A,iu=class{constructor(e=new A,t=new A){this.start=e,this.end=t}set(e,t){return this.start.copy(e),this.end.copy(t),this}copy(e){return this.start.copy(e.start),this.end.copy(e.end),this}getCenter(e){return e.addVectors(this.start,this.end).multiplyScalar(.5)}delta(e){return e.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(e,t){return this.delta(t).multiplyScalar(e).add(this.start)}closestPointToPointParameter(e,t){ap.subVectors(e,this.start),zo.subVectors(this.end,this.start);let n=zo.dot(zo),s=zo.dot(ap)/n;return t&&(s=It(s,0,1)),s}closestPointToPoint(e,t,n){let i=this.closestPointToPointParameter(e,t);return this.delta(n).multiplyScalar(i).add(this.start)}applyMatrix4(e){return 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Use .toArray() instead."),this.toArray(r,e)};Et.prototype.multiplyVector3=function(r){return console.warn("THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead."),r.applyMatrix3(this)};Et.prototype.multiplyVector3Array=function(){console.error("THREE.Matrix3: .multiplyVector3Array() has been removed.")};Et.prototype.applyToBufferAttribute=function(r){return console.warn("THREE.Matrix3: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix3( matrix ) instead."),r.applyMatrix3(this)};Et.prototype.applyToVector3Array=function(){console.error("THREE.Matrix3: .applyToVector3Array() has been removed.")};Et.prototype.getInverse=function(r){return console.warn("THREE.Matrix3: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead."),this.copy(r).invert()};ge.prototype.extractPosition=function(r){return console.warn("THREE.Matrix4: .extractPosition() has been renamed to .copyPosition()."),this.copyPosition(r)};ge.prototype.flattenToArrayOffset=function(r,e){return console.warn("THREE.Matrix4: .flattenToArrayOffset() has been deprecated. Use .toArray() instead."),this.toArray(r,e)};ge.prototype.getPosition=function(){return console.warn("THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead."),new A().setFromMatrixColumn(this,3)};ge.prototype.setRotationFromQuaternion=function(r){return console.warn("THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion()."),this.makeRotationFromQuaternion(r)};ge.prototype.multiplyToArray=function(){console.warn("THREE.Matrix4: .multiplyToArray() has been removed.")};ge.prototype.multiplyVector3=function(r){return console.warn("THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) instead."),r.applyMatrix4(this)};ge.prototype.multiplyVector4=function(r){return console.warn("THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead."),r.applyMatrix4(this)};ge.prototype.multiplyVector3Array=function(){console.error("THREE.Matrix4: .multiplyVector3Array() has been removed.")};ge.prototype.rotateAxis=function(r){console.warn("THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead."),r.transformDirection(this)};ge.prototype.crossVector=function(r){return console.warn("THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead."),r.applyMatrix4(this)};ge.prototype.translate=function(){console.error("THREE.Matrix4: .translate() has been removed.")};ge.prototype.rotateX=function(){console.error("THREE.Matrix4: .rotateX() has been removed.")};ge.prototype.rotateY=function(){console.error("THREE.Matrix4: .rotateY() has been removed.")};ge.prototype.rotateZ=function(){console.error("THREE.Matrix4: .rotateZ() has been removed.")};ge.prototype.rotateByAxis=function(){console.error("THREE.Matrix4: .rotateByAxis() has been removed.")};ge.prototype.applyToBufferAttribute=function(r){return console.warn("THREE.Matrix4: .applyToBufferAttribute() has been removed. 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Use is now vector.applyQuaternion( quaternion ) instead."),r.applyQuaternion(this)};yt.prototype.inverse=function(){return console.warn("THREE.Quaternion: .inverse() has been renamed to invert()."),this.invert()};On.prototype.isIntersectionBox=function(r){return console.warn("THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(r)};On.prototype.isIntersectionPlane=function(r){return console.warn("THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane()."),this.intersectsPlane(r)};On.prototype.isIntersectionSphere=function(r){return console.warn("THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere()."),this.intersectsSphere(r)};pt.prototype.area=function(){return console.warn("THREE.Triangle: .area() has been renamed to .getArea()."),this.getArea()};pt.prototype.barycoordFromPoint=function(r,e){return console.warn("THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord()."),this.getBarycoord(r,e)};pt.prototype.midpoint=function(r){return console.warn("THREE.Triangle: .midpoint() has been renamed to .getMidpoint()."),this.getMidpoint(r)};pt.prototypenormal=function(r){return console.warn("THREE.Triangle: .normal() has been renamed to .getNormal()."),this.getNormal(r)};pt.prototype.plane=function(r){return console.warn("THREE.Triangle: .plane() has been renamed to .getPlane()."),this.getPlane(r)};pt.barycoordFromPoint=function(r,e,t,n,i){return console.warn("THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord()."),pt.getBarycoord(r,e,t,n,i)};pt.normal=function(r,e,t,n){return console.warn("THREE.Triangle: .normal() has been renamed to .getNormal()."),pt.getNormal(r,e,t,n)};gn.prototype.extractAllPoints=function(r){return console.warn("THREE.Shape: .extractAllPoints() has been removed. Use .extractPoints() instead."),this.extractPoints(r)};gn.prototype.extrude=function(r){return console.warn("THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead."),new Sn(this,r)};gn.prototype.makeGeometry=function(r){return console.warn("THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead."),new Zi(this,r)};O.prototype.fromAttribute=function(r,e,t){return console.warn("THREE.Vector2: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(r,e,t)};O.prototype.distanceToManhattan=function(r){return console.warn("THREE.Vector2: .distanceToManhattan() has been renamed to .manhattanDistanceTo()."),this.manhattanDistanceTo(r)};O.prototype.lengthManhattan=function(){return console.warn("THREE.Vector2: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()};A.prototype.setEulerFromRotationMatrix=function(){console.error("THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.")};A.prototype.setEulerFromQuaternion=function(){console.error("THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.")};A.prototype.getPositionFromMatrix=function(r){return console.warn("THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition()."),this.setFromMatrixPosition(r)};A.prototype.getScaleFromMatrix=function(r){return console.warn("THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale()."),this.setFromMatrixScale(r)};A.prototype.getColumnFromMatrix=function(r,e){return console.warn("THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn()."),this.setFromMatrixColumn(e,r)};A.prototype.applyProjection=function(r){return console.warn("THREE.Vector3: .applyProjection() has been removed. Use .applyMatrix4( m ) instead."),this.applyMatrix4(r)};A.prototype.fromAttribute=function(r,e,t){return console.warn("THREE.Vector3: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(r,e,t)};A.prototype.distanceToManhattan=function(r){return console.warn("THREE.Vector3: .distanceToManhattan() has been renamed to .manhattanDistanceTo()."),this.manhattanDistanceTo(r)};A.prototype.lengthManhattan=function(){return console.warn("THREE.Vector3: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()};Ve.prototype.fromAttribute=function(r,e,t){return console.warn("THREE.Vector4: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(r,e,t)};Ve.prototype.lengthManhattan=function(){return console.warn("THREE.Vector4: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()};_e.prototype.getChildByName=function(r){return console.warn("THREE.Object3D: .getChildByName() has been renamed to .getObjectByName()."),this.getObjectByName(r)};_e.prototype.renderDepth=function(){console.warn("THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.")};_e.prototype.translate=function(r,e){return console.warn("THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead."),this.translateOnAxis(e,r)};_e.prototype.getWorldRotation=function(){console.error("THREE.Object3D: .getWorldRotation() has been removed. Use THREE.Object3D.getWorldQuaternion( target ) instead.")};_e.prototype.applyMatrix=function(r){return console.warn("THREE.Object3D: .applyMatrix() has been renamed to .applyMatrix4()."),this.applyMatrix4(r)};Object.defineProperties(_e.prototype,{eulerOrder:{get:function(){return console.warn("THREE.Object3D: .eulerOrder is now .rotation.order."),this.rotation.order},set:function(r){console.warn("THREE.Object3D: .eulerOrder is now .rotation.order."),this.rotation.order=r}},useQuaternion:{get:function(){console.warn("THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.")},set:function(){console.warn("THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.")}}});ze.prototype.setDrawMode=function(){console.error("THREE.Mesh: .setDrawMode() has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.")};Object.defineProperties(ze.prototype,{drawMode:{get:function(){return console.error("THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode."),ad},set:function(){console.error("THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.")}}});qs.prototype.initBones=function(){console.error("THREE.SkinnedMesh: initBones() has been removed.")};ct.prototype.setLens=function(r,e){console.warn("THREE.PerspectiveCamera.setLens is deprecated. Use .setFocalLength and .filmGauge for a photographic setup."),e!==void 0&&(this.filmGauge=e),this.setFocalLength(r)};Object.defineProperties(tn.prototype,{onlyShadow:{set:function(){console.warn("THREE.Light: .onlyShadow has been removed.")}},shadowCameraFov:{set:function(r){console.warn("THREE.Light: .shadowCameraFov is now .shadow.camera.fov."),this.shadow.camera.fov=r}},shadowCameraLeft:{set:function(r){console.warn("THREE.Light: .shadowCameraLeft is now .shadow.camera.left."),this.shadow.camera.left=r}},shadowCameraRight:{set:function(r){console.warn("THREE.Light: .shadowCameraRight is now .shadow.camera.right."),this.shadow.camera.right=r}},shadowCameraTop:{set:function(r){console.warn("THREE.Light: .shadowCameraTop is now .shadow.camera.top."),this.shadow.camera.top=r}},shadowCameraBottom:{set:function(r){console.warn("THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom."),this.shadow.camera.bottom=r}},shadowCameraNear:{set:function(r){console.warn("THREE.Light: .shadowCameraNear is now .shadow.camera.near."),this.shadow.camera.near=r}},shadowCameraFar:{set:function(r){console.warn("THREE.Light: .shadowCameraFar is now .shadow.camera.far."),this.shadow.camera.far=r}},shadowCameraVisible:{set:function(){console.warn("THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.")}},shadowBias:{set:function(r){console.warn("THREE.Light: .shadowBias is now .shadow.bias."),this.shadow.bias=r}},shadowDarkness:{set:function(){console.warn("THREE.Light: .shadowDarkness has been removed.")}},shadowMapWidth:{set:function(r){console.warn("THREE.Light: .shadowMapWidth is now .shadow.mapSize.width."),this.shadow.mapSize.width=r}},shadowMapHeight:{set:function(r){console.warn("THREE.Light: .shadowMapHeight is now .shadow.mapSize.height."),this.shadow.mapSize.height=r}}});Object.defineProperties(pe.prototype,{length:{get:function(){return console.warn("THREE.BufferAttribute: .length has been deprecated. Use .count instead."),this.array.length}},dynamic:{get:function(){return console.warn("THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead."),this.usage===In},set:function(){console.warn("THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead."),this.setUsage(In)}}});pe.prototype.setDynamic=function(r){return console.warn("THREE.BufferAttribute: .setDynamic() has been deprecated. Use .setUsage() instead."),this.setUsage(r===!0?In:pr),this};pe.prototype.copyIndicesArray=function(){console.error("THREE.BufferAttribute: .copyIndicesArray() has been removed.")},pe.prototype.setArray=function(){console.error("THREE.BufferAttribute: .setArray has been removed. 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Use .setUsage() instead."),this.setUsage(r===!0?In:pr),this};hi.prototype.setArray=function(){console.error("THREE.InterleavedBuffer: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers")};Sn.prototype.getArrays=function(){console.error("THREE.ExtrudeGeometry: .getArrays() has been removed.")};Sn.prototype.addShapeList=function(){console.error("THREE.ExtrudeGeometry: .addShapeList() has been removed.")};Sn.prototype.addShape=function(){console.error("THREE.ExtrudeGeometry: .addShape() has been removed.")};mn.prototype.dispose=function(){console.error("THREE.Scene: .dispose() has been removed.")};De.prototype.onUpdate=function(){return console.warn("THREE.Uniform: .onUpdate() has been removed. 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Use THREE.AudioLoader instead.");let e=this;return new Wc().load(r,function(n){e.setBuffer(n)}),this};Qc.prototype.getData=function(){return console.warn("THREE.AudioAnalyser: .getData() is now .getFrequencyData()."),this.getFrequencyData()};Os.prototype.updateCubeMap=function(r,e){return console.warn("THREE.CubeCamera: .updateCubeMap() is now .update()."),this.update(r,e)};Os.prototype.clear=function(r,e,t,n){return console.warn("THREE.CubeCamera: .clear() is now .renderTarget.clear()."),this.renderTarget.clear(r,e,t,n)};Kn.crossOrigin=void 0;Kn.loadTexture=function(r,e,t,n){console.warn("THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.");let i=new en;i.setCrossOrigin(this.crossOrigin);let s=i.load(r,t,void 0,n);return e&&(s.mapping=e),s};Kn.loadTextureCube=function(r,e,t,n){console.warn("THREE.ImageUtils.loadTextureCube has been deprecated. 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i=this.getUnsafe("w"),s=this.getUnsafe("wBar"),a=this.getUnsafe("om");at(i)&&at(a)&&!at(s)?(s=i+a,this.set("wBar",s)):at(s)&&at(a)&&!at(i)?(i=s-a,this.set("w",i)):at(i)&&at(s)&&!at(a)&&(a=s-i,this.set("om",a));let o=t*wb,l=this.getUnsafe("n"),c=this.getUnsafe("GM"),u=this.getUnsafe("period");if(!at(u)&&at(t)){if(!at(c))throw new Error("Expected ephemeris attribute GM to be set");u=2*Math.PI*Math.sqrt(o*o*o/c)/bb,this.set("period",u)}if(e<1)if(at(u)&&!at(l)){let f=2*Math.PI/u;this.set("n",f)}else at(l)&&!at(u)&&this.set("period",2*Math.PI/l);let h=this.getUnsafe("ma"),d=this.getUnsafe("L");!at(d)&&at(a)&&at(i)&&at(h)&&(d=a+i+h,this.set("L",d)),at(h)||this.set("ma",d-s)}lock(){this.locked=!0}copy(){return new Rt({GM:this.getUnsafe("GM"),epoch:this.getUnsafe("epoch"),a:this.getUnsafe("a"),e:this.getUnsafe("e"),i:this.getUnsafe("i"),om:this.getUnsafe("om"),ma:this.getUnsafe("ma"),w:this.getUnsafe("w")},"rad")}};function Xo(r,e,t,n,i,s){if(r===void 0)throw"data object is 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t=this.calcDistanceMultiplier(this.units.distance),n=this.calcTimeMultiplier(this.units.time);this.data.forEach(i=>{i[1]*=t,i[2]*=t,i[3]*=t,i[4]*=t*n,i[5]*=t*n,i[6]*=t*n})}}getPositionAtTime(e){if(e<=this.data[0][0])return[this.data[0][1],this.data[0][2],this.data[0][3]];let t=this.data[this.data.length-1];if(e>=t[0])return[t[1],t[2],t[3]];let{startIndex:n,stopIndex:i}=this.calcBoundingIndices(e),s=Xo(this.data,e,n,i,0,1),a=Xo(this.data,e,n,i,0,2),o=Xo(this.data,e,n,i,0,3);return[s,a,o]}getPositions(e,t,n){if(e>t)throw new Error("Requested start needs to be after requested stop");if(n<=0)throw new Error("Step days needs to be greater than zero");let i=[];for(let s=e;s<=t;s+=n)i.push(this.getPositionAtTime(s));return i}calcDistanceMultiplier(e){switch(e){case"au":return 1;case"km":return st.kmToAu(1);default:throw new Error("Unknown distance unit type: "+e)}}calcTimeMultiplier(e){switch(e){case"day":return 1;case"sec":return 1/86400;default:throw new Error("Unknown time unit type: "+e)}}calcBoundingIndices(e){let t=Math.floor(this.interpolationOrder/2),n=Pp(this.data,e,_b);n<0&&(n=~n-1);let i=n-t;i<0&&(i=0);let s=i+Number(this.interpolationOrder);return s>=this.data.length&&(s=this.data.length-1,this.data.length>t&&(i=s-t)),{startIndex:i,stopIndex:s}}};var rn={MERCURY:new Rt({epoch:24584265e-1,a:.3870968969437096,e:.2056515875393916,i:7.003891682749818,om:48.30774804443502,w:29.17940253442659,ma:256.190975209273},"deg",!0),VENUS:new Rt({epoch:24584265e-1,a:.7233458663591554,e:.006762510759617694,i:3.394567787211735,om:76.62534150657346,w:54.74567447560867,ma:275.6687596099721},"deg",!0),EARTH:new Rt({epoch:2451545,a:1.00000261,e:.01671123,i:-1531e-8,om:0,wBar:102.93768193,L:100.46457166},"deg",!0),MOON:new Rt({GM:398600,epoch:24586215e-1,a:.002582517063772124,e:.04582543645168888,i:5.102060246928811,om:108.5916732144811,w:61.80561793729225,ma:50.53270083636792},"deg",!0),MARS:new Rt({epoch:24584265e-1,a:1.52371401537107,e:.09336741335309606,i:1.848141099825311,om:49.50420572080223,w:286.6965847685386,ma:25.38237617924876},"deg",!0),JUPITER:new Rt({epoch:24584265e-1,a:5.20180355911023,e:.0489912558249006,i:1.303560894624275,om:100.5203828847816,w:273.736301845404,ma:231.939544389401},"deg",!0),SATURN:new Rt({epoch:24584265e-1,a:9.577177295536776,e:.05101889921719987,i:2.482782449972317,om:113.6154964073247,w:339.4422648650336,ma:187.0970898012944},"deg",!0),URANUS:new Rt({epoch:24584265e-1,a:19.14496966635462,e:.04832662948112808,i:.7697511134483724,om:74.14239045667875,w:99.42704504702185,ma:220.2603033874267},"deg",!0),NEPTUNE:new Rt({epoch:24584265e-1,a:30.0962226342805,e:.00736257118719377,i:1.774569249829094,om:131.8695882492132,w:258.6226409499831,ma:315.2804988924479},"deg",!0),PLUTO:new Rt({epoch:24540005e-1,a:39.4450697257,e:.250248713478,i:17.0890009196,om:110.376957955,w:112.597141677,ma:25.2471897122},"deg",!0)},Qo=class{constructor(e){this._simulation=e,this._context=e.getContext(),this._satellitesByPlanet={};let t=da("{{data}}/processed/natural-satellites.json",this._context.options.basePath);this._readyPromise=new Promise((n,i)=>{fetch(t).then(s=>s.json()).then(s=>{s.forEach(a=>{let o=a.Planet.toLowerCase();this._satellitesByPlanet[o]||(this._satellitesByPlanet[o]=[]);let l;switch(a["Element Type"]){case"Ecliptic":break;case"Equatorial":l="equatorial";break;case"Laplace":l="equatorial";break;default:console.warn(`Ephemeris type not yet implemented: ${l}`);return}let c;switch(a.Planet){case"Earth":c=ds.EARTH_MOON;break;case"Pluto":c=ds.PLUTO_CHARON;break;default:c=ds[a.Planet.toUpperCase()]}c||console.error(`Could not look up GM for ${a.Planet}`);let u=new Rt({GM:c,epoch:Number(a["Epoch 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y=e.get(p),x=y.envMap,_=y.envMapRotation;x&&(g.envMap.value=x,Kr.copy(_),Kr.x*=-1,Kr.y*=-1,Kr.z*=-1,x.isCubeTexture&&x.isRenderTargetTexture===!1&&(Kr.y*=-1,Kr.z*=-1),g.envMapRotation.value.setFromMatrix4(QS.makeRotationFromEuler(Kr)),g.flipEnvMap.value=x.isCubeTexture&&x.isRenderTargetTexture===!1?-1:1,g.reflectivity.value=p.reflectivity,g.ior.value=p.ior,g.refractionRatio.value=p.refractionRatio),p.lightMap&&(g.lightMap.value=p.lightMap,g.lightMapIntensity.value=p.lightMapIntensity,t(p.lightMap,g.lightMapTransform)),p.aoMap&&(g.aoMap.value=p.aoMap,g.aoMapIntensity.value=p.aoMapIntensity,t(p.aoMap,g.aoMapTransform))}function a(g,p){g.diffuse.value.copy(p.color),g.opacity.value=p.opacity,p.map&&(g.map.value=p.map,t(p.map,g.mapTransform))}function o(g,p){g.dashSize.value=p.dashSize,g.totalSize.value=p.dashSize+p.gapSize,g.scale.value=p.scale}function 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H=g.opaque,B=g.transmissive;if(p.setupLights(),L.isArrayCamera){let te=L.cameras;if(B.length>0)for(let de=0,ye=te.length;de0&&Of(H,B,E,L),$&&Be.render(E),Bf(g,E,L);P!==null&&R===0&&(w.updateMultisampleRenderTarget(P),w.updateRenderTargetMipmap(P)),E.isScene===!0&&E.onAfterRender(_,E,L),vt.resetDefaultState(),M=-1,A=null,x.pop(),x.length>0?(p=x[x.length-1],ae===!0&&ie.setGlobalState(_.clippingPlanes,p.state.camera)):p=null,y.pop(),y.length>0?g=y[y.length-1]:g=null};function wh(E,L,F,H){if(E.visible===!1)return;if(E.layers.test(L.layers)){if(E.isGroup)F=E.renderOrder;else if(E.isLOD)E.autoUpdate===!0&&E.update(L);else if(E.isLight)p.pushLight(E),E.castShadow&&p.pushShadow(E);else if(E.isSprite){if(!E.frustumCulled||q.intersectsSprite(E)){H&&De.setFromMatrixPosition(E.matrixWorld).applyMatrix4(Pe);let de=j.update(E),ye=E.material;ye.visible&&g.push(E,de,ye,F,De.z,null)}}else if((E.isMesh||E.isLine||E.isPoints)&&(!E.frustumCulled||q.intersectsObject(E))){let de=j.update(E),ye=E.material;if(H&&(E.boundingSphere!==void 0?(E.boundingSphere===null&&E.computeBoundingSphere(),De.copy(E.boundingSphere.center)):(de.boundingSphere===null&&de.computeBoundingSphere(),De.copy(de.boundingSphere.center)),De.applyMatrix4(E.matrixWorld).applyMatrix4(Pe)),Array.isArray(ye)){let Ee=de.groups;for(let He=0,ke=Ee.length;He0&&al(B,L,F),te.length>0&&al(te,L,F),de.length>0&&al(de,L,F),se.buffers.depth.setTest(!0),se.buffers.depth.setMask(!0),se.buffers.color.setMask(!0),se.setPolygonOffset(!1)}function Of(E,L,F,H){if((F.isScene===!0?F.overrideMaterial:null)!==null)return;p.state.transmissionRenderTarget[H.id]===void 0&&(p.state.transmissionRenderTarget[H.id]=new mt(1,1,{generateMipmaps:!0,type:ee.has("EXT_color_buffer_half_float")||ee.has("EXT_color_buffer_float")?fr:bt,minFilter:Zi,samples:4,stencilBuffer:s,resolveDepthBuffer:!1,resolveStencilBuffer:!1,colorSpace:et.workingColorSpace}));let te=p.state.transmissionRenderTarget[H.id],de=H.viewport||I;te.setSize(de.z*_.transmissionResolutionScale,de.w*_.transmissionResolutionScale);let ye=_.getRenderTarget();_.setRenderTarget(te),_.getClearColor(G),Z=_.getClearAlpha(),Z<1&&_.setClearColor(16777215,.5),_.clear(),$&&Be.render(F);let Ee=_.toneMapping;_.toneMapping=an;let He=H.viewport;if(H.viewport!==void 0&&(H.viewport=void 0),p.setupLightsView(H),ae===!0&&ie.setGlobalState(_.clippingPlanes,H),al(E,F,H),w.updateMultisampleRenderTarget(te),w.updateRenderTargetMipmap(te),ee.has("WEBGL_multisampled_render_to_texture")===!1){let ke=!1;for(let Ie=0,st=L.length;Ie0),Ie=!!F.morphAttributes.position,st=!!F.morphAttributes.normal,ht=!!F.morphAttributes.color,Lt=an;H.toneMapped&&(P===null||P.isXRRenderTarget===!0)&&(Lt=_.toneMapping);let Rt=F.morphAttributes.position||F.morphAttributes.normal||F.morphAttributes.color,at=Rt!==void 0?Rt.length:0,Ue=fe.get(H),qt=p.state.lights;if(ae===!0&&(be===!0||E!==A)){let si=E===A&&H.id===M;ie.setState(H,E,si)}let ut=!1;H.version===Ue.__version?(Ue.needsLights&&Ue.lightsStateVersion!==qt.state.version||Ue.outputColorSpace!==ye||B.isBatchedMesh&&Ue.batching===!1||!B.isBatchedMesh&&Ue.batching===!0||B.isBatchedMesh&&Ue.batchingColor===!0&&B.colorTexture===null||B.isBatchedMesh&&Ue.batchingColor===!1&&B.colorTexture!==null||B.isInstancedMesh&&Ue.instancing===!1||!B.isInstancedMesh&&Ue.instancing===!0||B.isSkinnedMesh&&Ue.skinning===!1||!B.isSkinnedMesh&&Ue.skinning===!0||B.isInstancedMesh&&Ue.instancingColor===!0&&B.instanceColor===null||B.isInstancedMesh&&Ue.instancingColor===!1&&B.instanceColor!==null||B.isInstancedMesh&&Ue.instancingMorph===!0&&B.morphTexture===null||B.isInstancedMesh&&Ue.instancingMorph===!1&&B.morphTexture!==null||Ue.envMap!==Ee||H.fog===!0&&Ue.fog!==te||Ue.numClippingPlanes!==void 0&&(Ue.numClippingPlanes!==ie.numPlanes||Ue.numIntersection!==ie.numIntersection)||Ue.vertexAlphas!==He||Ue.vertexTangents!==ke||Ue.morphTargets!==Ie||Ue.morphNormals!==st||Ue.morphColors!==ht||Ue.toneMapping!==Lt||Ue.morphTargetsCount!==at)&&(ut=!0):(ut=!0,Ue.__version=H.version);let Yi=Ue.currentProgram;ut===!0&&(Yi=ol(H,L,B));let ns=!1,xi=!1,Ea=!1,Mt=Yi.getUniforms(),Di=Ue.uniforms;if(se.useProgram(Yi.program)&&(ns=!0,xi=!0,Ea=!0),H.id!==M&&(M=H.id,xi=!0),ns||A!==E){se.buffers.depth.getReversed()?(oe.copy(E.projectionMatrix),Pp(oe),Ip(oe),Mt.setValue(C,"projectionMatrix",oe)):Mt.setValue(C,"projectionMatrix",E.projectionMatrix),Mt.setValue(C,"viewMatrix",E.matrixWorldInverse);let hi=Mt.map.cameraPosition;hi!==void 0&&hi.setValue(C,rt.setFromMatrixPosition(E.matrixWorld)),_e.logarithmicDepthBuffer&&Mt.setValue(C,"logDepthBufFC",2/(Math.log(E.far+1)/Math.LN2)),(H.isMeshPhongMaterial||H.isMeshToonMaterial||H.isMeshLambertMaterial||H.isMeshBasicMaterial||H.isMeshStandardMaterial||H.isShaderMaterial)&&Mt.setValue(C,"isOrthographic",E.isOrthographicCamera===!0),A!==E&&(A=E,xi=!0,Ea=!0)}if(B.isSkinnedMesh){Mt.setOptional(C,B,"bindMatrix"),Mt.setOptional(C,B,"bindMatrixInverse");let si=B.skeleton;si&&(si.boneTexture===null&&si.computeBoneTexture(),Mt.setValue(C,"boneTexture",si.boneTexture,w))}B.isBatchedMesh&&(Mt.setOptional(C,B,"batchingTexture"),Mt.setValue(C,"batchingTexture",B._matricesTexture,w),Mt.setOptional(C,B,"batchingIdTexture"),Mt.setValue(C,"batchingIdTexture",B._indirectTexture,w),Mt.setOptional(C,B,"batchingColorTexture"),B._colorsTexture!==null&&Mt.setValue(C,"batchingColorTexture",B._colorsTexture,w));let Pi=F.morphAttributes;if((Pi.position!==void 0||Pi.normal!==void 0||Pi.color!==void 0)&&Fe.update(B,F,Yi),(xi||Ue.receiveShadow!==B.receiveShadow)&&(Ue.receiveShadow=B.receiveShadow,Mt.setValue(C,"receiveShadow",B.receiveShadow)),H.isMeshGouraudMaterial&&H.envMap!==null&&(Di.envMap.value=Ee,Di.flipEnvMap.value=Ee.isCubeTexture&&Ee.isRenderTargetTexture===!1?-1:1),H.isMeshStandardMaterial&&H.envMap===null&&L.environment!==null&&(Di.envMapIntensity.value=L.environmentIntensity),xi&&(Mt.setValue(C,"toneMappingExposure",_.toneMappingExposure),Ue.needsLights&&Tv(Di,Ea),te&&H.fog===!0&&he.refreshFogUniforms(Di,te),he.refreshMaterialUniforms(Di,H,W,ne,p.state.transmissionRenderTarget[E.id]),tl.upload(C,Ff(Ue),Di,w)),H.isShaderMaterial&&H.uniformsNeedUpdate===!0&&(tl.upload(C,Ff(Ue),Di,w),H.uniformsNeedUpdate=!1),H.isSpriteMaterial&&Mt.setValue(C,"center",B.center),Mt.setValue(C,"modelViewMatrix",B.modelViewMatrix),Mt.setValue(C,"normalMatrix",B.normalMatrix),Mt.setValue(C,"modelMatrix",B.matrixWorld),H.isShaderMaterial||H.isRawShaderMaterial){let si=H.uniformsGroups;for(let hi=0,Ch=si.length;hi0&&w.useMultisampledRTT(E)===!1?B=fe.get(E).__webglMultisampledFramebuffer:Array.isArray(ke)?B=ke[F]:B=ke,I.copy(E.viewport),k.copy(E.scissor),N=E.scissorTest}else I.copy(Me).multiplyScalar(W).floor(),k.copy(Ve).multiplyScalar(W).floor(),N=ct;if(F!==0&&(B=Cv),se.bindFramebuffer(C.FRAMEBUFFER,B)&&H&&se.drawBuffers(E,B),se.viewport(I),se.scissor(k),se.setScissorTest(N),te){let Ee=fe.get(E.texture);C.framebufferTexture2D(C.FRAMEBUFFER,C.COLOR_ATTACHMENT0,C.TEXTURE_CUBE_MAP_POSITIVE_X+L,Ee.__webglTexture,F)}else if(de){let Ee=fe.get(E.texture),He=L;C.framebufferTextureLayer(C.FRAMEBUFFER,C.COLOR_ATTACHMENT0,Ee.__webglTexture,F,He)}else if(E!==null&&F!==0){let Ee=fe.get(E.texture);C.framebufferTexture2D(C.FRAMEBUFFER,C.COLOR_ATTACHMENT0,C.TEXTURE_2D,Ee.__webglTexture,F)}M=-1},this.readRenderTargetPixels=function(E,L,F,H,B,te,de){if(!(E&&E.isWebGLRenderTarget)){console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");return}let ye=fe.get(E).__webglFramebuffer;if(E.isWebGLCubeRenderTarget&&de!==void 0&&(ye=ye[de]),ye){se.bindFramebuffer(C.FRAMEBUFFER,ye);try{let Ee=E.texture,He=Ee.format,ke=Ee.type;if(!_e.textureFormatReadable(He)){console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");return}if(!_e.textureTypeReadable(ke)){console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");return}L>=0&&L<=E.width-H&&F>=0&&F<=E.height-B&&C.readPixels(L,F,H,B,qe.convert(He),qe.convert(ke),te)}finally{let Ee=P!==null?fe.get(P).__webglFramebuffer:null;se.bindFramebuffer(C.FRAMEBUFFER,Ee)}}},this.readRenderTargetPixelsAsync=function(E,L,F,H,B,te,de){return ui(this,null,function*(){if(!(E&&E.isWebGLRenderTarget))throw new Error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let ye=fe.get(E).__webglFramebuffer;if(E.isWebGLCubeRenderTarget&&de!==void 0&&(ye=ye[de]),ye){let Ee=E.texture,He=Ee.format,ke=Ee.type;if(!_e.textureFormatReadable(He))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in RGBA or implementation defined format.");if(!_e.textureTypeReadable(ke))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in UnsignedByteType or implementation defined type.");if(L>=0&&L<=E.width-H&&F>=0&&F<=E.height-B){se.bindFramebuffer(C.FRAMEBUFFER,ye);let Ie=C.createBuffer();C.bindBuffer(C.PIXEL_PACK_BUFFER,Ie),C.bufferData(C.PIXEL_PACK_BUFFER,te.byteLength,C.STREAM_READ),C.readPixels(L,F,H,B,qe.convert(He),qe.convert(ke),0);let st=P!==null?fe.get(P).__webglFramebuffer:null;se.bindFramebuffer(C.FRAMEBUFFER,st);let ht=C.fenceSync(C.SYNC_GPU_COMMANDS_COMPLETE,0);return C.flush(),yield Dp(C,ht,4),C.bindBuffer(C.PIXEL_PACK_BUFFER,Ie),C.getBufferSubData(C.PIXEL_PACK_BUFFER,0,te),C.deleteBuffer(Ie),C.deleteSync(ht),te}else throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: requested read bounds are out of range.")}})},this.copyFramebufferToTexture=function(E,L=null,F=0){E.isTexture!==!0&&(gr("WebGLRenderer: copyFramebufferToTexture function signature has changed."),L=arguments[0]||null,E=arguments[1]);let H=Math.pow(2,-F),B=Math.floor(E.image.width*H),te=Math.floor(E.image.height*H),de=L!==null?L.x:0,ye=L!==null?L.y:0;w.setTexture2D(E,0),C.copyTexSubImage2D(C.TEXTURE_2D,F,0,0,de,ye,B,te),se.unbindTexture()};let Rv=C.createFramebuffer(),Dv=C.createFramebuffer();this.copyTextureToTexture=function(E,L,F=null,H=null,B=0,te=null){E.isTexture!==!0&&(gr("WebGLRenderer: copyTextureToTexture function signature has changed."),H=arguments[0]||null,E=arguments[1],L=arguments[2],te=arguments[3]||0,F=null),te===null&&(B!==0?(gr("WebGLRenderer: copyTextureToTexture function signature has changed to support src and dst mipmap levels."),te=B,B=0):te=0);let de,ye,Ee,He,ke,Ie,st,ht,Lt,Rt=E.isCompressedTexture?E.mipmaps[te]:E.image;if(F!==null)de=F.max.x-F.min.x,ye=F.max.y-F.min.y,Ee=F.isBox3?F.max.z-F.min.z:1,He=F.min.x,ke=F.min.y,Ie=F.isBox3?F.min.z:0;else{let Pi=Math.pow(2,-B);de=Math.floor(Rt.width*Pi),ye=Math.floor(Rt.height*Pi),E.isDataArrayTexture?Ee=Rt.depth:E.isData3DTexture?Ee=Math.floor(Rt.depth*Pi):Ee=1,He=0,ke=0,Ie=0}H!==null?(st=H.x,ht=H.y,Lt=H.z):(st=0,ht=0,Lt=0);let at=qe.convert(L.format),Ue=qe.convert(L.type),qt;L.isData3DTexture?(w.setTexture3D(L,0),qt=C.TEXTURE_3D):L.isDataArrayTexture||L.isCompressedArrayTexture?(w.setTexture2DArray(L,0),qt=C.TEXTURE_2D_ARRAY):(w.setTexture2D(L,0),qt=C.TEXTURE_2D),C.pixelStorei(C.UNPACK_FLIP_Y_WEBGL,L.flipY),C.pixelStorei(C.UNPACK_PREMULTIPLY_ALPHA_WEBGL,L.premultiplyAlpha),C.pixelStorei(C.UNPACK_ALIGNMENT,L.unpackAlignment);let ut=C.getParameter(C.UNPACK_ROW_LENGTH),Yi=C.getParameter(C.UNPACK_IMAGE_HEIGHT),ns=C.getParameter(C.UNPACK_SKIP_PIXELS),xi=C.getParameter(C.UNPACK_SKIP_ROWS),Ea=C.getParameter(C.UNPACK_SKIP_IMAGES);C.pixelStorei(C.UNPACK_ROW_LENGTH,Rt.width),C.pixelStorei(C.UNPACK_IMAGE_HEIGHT,Rt.height),C.pixelStorei(C.UNPACK_SKIP_PIXELS,He),C.pixelStorei(C.UNPACK_SKIP_ROWS,ke),C.pixelStorei(C.UNPACK_SKIP_IMAGES,Ie);let Mt=E.isDataArrayTexture||E.isData3DTexture,Di=L.isDataArrayTexture||L.isData3DTexture;if(E.isDepthTexture){let Pi=fe.get(E),si=fe.get(L),hi=fe.get(Pi.__renderTarget),Ch=fe.get(si.__renderTarget);se.bindFramebuffer(C.READ_FRAMEBUFFER,hi.__webglFramebuffer),se.bindFramebuffer(C.DRAW_FRAMEBUFFER,Ch.__webglFramebuffer);for(let cr=0;crMath.PI&&(i-=vi),n<-Math.PI?n+=vi:n>Math.PI&&(n-=vi),i<=n?this._spherical.theta=Math.max(i,Math.min(n,this._spherical.theta)):this._spherical.theta=this._spherical.theta>(i+n)/2?Math.max(i,this._spherical.theta):Math.min(n,this._spherical.theta)),this._spherical.phi=Math.max(this.minPolarAngle,Math.min(this.maxPolarAngle,this._spherical.phi)),this._spherical.makeSafe(),this.enableDamping===!0?this.target.addScaledVector(this._panOffset,this.dampingFactor):this.target.add(this._panOffset),this.target.sub(this.cursor),this.target.clampLength(this.minTargetRadius,this.maxTargetRadius),this.target.add(this.cursor);let s=!1;if(this.zoomToCursor&&this._performCursorZoom||this.object.isOrthographicCamera)this._spherical.radius=this._clampDistance(this._spherical.radius);else{let a=this._spherical.radius;this._spherical.radius=this._clampDistance(this._spherical.radius*this._scale),s=a!=this._spherical.radius}if(Gt.setFromSpherical(this._spherical),Gt.applyQuaternion(this._quatInverse),t.copy(this.target).add(Gt),this.object.lookAt(this.target),this.enableDamping===!0?(this._sphericalDelta.theta*=1-this.dampingFactor,this._sphericalDelta.phi*=1-this.dampingFactor,this._panOffset.multiplyScalar(1-this.dampingFactor)):(this._sphericalDelta.set(0,0,0),this._panOffset.set(0,0,0)),this.zoomToCursor&&this._performCursorZoom){let a=null;if(this.object.isPerspectiveCamera){let o=Gt.length();a=this._clampDistance(o*this._scale);let l=o-a;this.object.position.addScaledVector(this._dollyDirection,l),this.object.updateMatrixWorld(),s=!!l}else if(this.object.isOrthographicCamera){let o=new b(this._mouse.x,this._mouse.y,0);o.unproject(this.object);let l=this.object.zoom;this.object.zoom=Math.max(this.minZoom,Math.min(this.maxZoom,this.object.zoom/this._scale)),this.object.updateProjectionMatrix(),s=l!==this.object.zoom;let c=new b(this._mouse.x,this._mouse.y,0);c.unproject(this.object),this.object.position.sub(c).add(o),this.object.updateMatrixWorld(),a=Gt.length()}else console.warn("WARNING: OrbitControls.js encountered an unknown camera type - zoom to cursor disabled."),this.zoomToCursor=!1;a!==null&&(this.screenSpacePanning?this.target.set(0,0,-1).transformDirection(this.object.matrix).multiplyScalar(a).add(this.object.position):(ph.origin.copy(this.object.position),ph.direction.set(0,0,-1).transformDirection(this.object.matrix),Math.abs(this.object.up.dot(ph.direction))<$S?this.object.lookAt(this.target):(zg.setFromNormalAndCoplanarPoint(this.object.up,this.target),ph.intersectPlane(zg,this.target))))}else if(this.object.isOrthographicCamera){let a=this.object.zoom;this.object.zoom=Math.max(this.minZoom,Math.min(this.maxZoom,this.object.zoom/this._scale)),a!==this.object.zoom&&(this.object.updateProjectionMatrix(),s=!0)}return this._scale=1,this._performCursorZoom=!1,s||this._lastPosition.distanceToSquared(this.object.position)>vf||8*(1-this._lastQuaternion.dot(this.object.quaternion))>vf||this._lastTargetPosition.distanceToSquared(this.target)>vf?(this.dispatchEvent(Fg),this._lastPosition.copy(this.object.position),this._lastQuaternion.copy(this.object.quaternion),this._lastTargetPosition.copy(this.target),!0):!1}_getAutoRotationAngle(e){return e!==null?vi/60*this.autoRotateSpeed*e:vi/60/60*this.autoRotateSpeed}_getZoomScale(e){let t=Math.abs(e*.01);return Math.pow(.95,this.zoomSpeed*t)}_rotateLeft(e){this._sphericalDelta.theta-=e}_rotateUp(e){this._sphericalDelta.phi-=e}_panLeft(e,t){Gt.setFromMatrixColumn(t,0),Gt.multiplyScalar(-e),this._panOffset.add(Gt)}_panUp(e,t){this.screenSpacePanning===!0?Gt.setFromMatrixColumn(t,1):(Gt.setFromMatrixColumn(t,0),Gt.crossVectors(this.object.up,Gt)),Gt.multiplyScalar(e),this._panOffset.add(Gt)}_pan(e,t){let i=this.domElement;if(this.object.isPerspectiveCamera){let n=this.object.position;Gt.copy(n).sub(this.target);let s=Gt.length();s*=Math.tan(this.object.fov/2*Math.PI/180),this._panLeft(2*e*s/i.clientHeight,this.object.matrix),this._panUp(2*t*s/i.clientHeight,this.object.matrix)}else this.object.isOrthographicCamera?(this._panLeft(e*(this.object.right-this.object.left)/this.object.zoom/i.clientWidth,this.object.matrix),this._panUp(t*(this.object.top-this.object.bottom)/this.object.zoom/i.clientHeight,this.object.matrix)):(console.warn("WARNING: OrbitControls.js encountered an unknown camera type - pan disabled."),this.enablePan=!1)}_dollyOut(e){this.object.isPerspectiveCamera||this.object.isOrthographicCamera?this._scale/=e:(console.warn("WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled."),this.enableZoom=!1)}_dollyIn(e){this.object.isPerspectiveCamera||this.object.isOrthographicCamera?this._scale*=e:(console.warn("WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled."),this.enableZoom=!1)}_updateZoomParameters(e,t){if(!this.zoomToCursor)return;this._performCursorZoom=!0;let i=this.domElement.getBoundingClientRect(),n=e-i.left,s=t-i.top,a=i.width,o=i.height;this._mouse.x=n/a*2-1,this._mouse.y=-(s/o)*2+1,this._dollyDirection.set(this._mouse.x,this._mouse.y,1).unproject(this.object).sub(this.object.position).normalize()}_clampDistance(e){return Math.max(this.minDistance,Math.min(this.maxDistance,e))}_handleMouseDownRotate(e){this._rotateStart.set(e.clientX,e.clientY)}_handleMouseDownDolly(e){this._updateZoomParameters(e.clientX,e.clientX),this._dollyStart.set(e.clientX,e.clientY)}_handleMouseDownPan(e){this._panStart.set(e.clientX,e.clientY)}_handleMouseMoveRotate(e){this._rotateEnd.set(e.clientX,e.clientY),this._rotateDelta.subVectors(this._rotateEnd,this._rotateStart).multiplyScalar(this.rotateSpeed);let t=this.domElement;this._rotateLeft(vi*this._rotateDelta.x/t.clientHeight),this._rotateUp(vi*this._rotateDelta.y/t.clientHeight),this._rotateStart.copy(this._rotateEnd),this.update()}_handleMouseMoveDolly(e){this._dollyEnd.set(e.clientX,e.clientY),this._dollyDelta.subVectors(this._dollyEnd,this._dollyStart),this._dollyDelta.y>0?this._dollyOut(this._getZoomScale(this._dollyDelta.y)):this._dollyDelta.y<0&&this._dollyIn(this._getZoomScale(this._dollyDelta.y)),this._dollyStart.copy(this._dollyEnd),this.update()}_handleMouseMovePan(e){this._panEnd.set(e.clientX,e.clientY),this._panDelta.subVectors(this._panEnd,this._panStart).multiplyScalar(this.panSpeed),this._pan(this._panDelta.x,this._panDelta.y),this._panStart.copy(this._panEnd),this.update()}_handleMouseWheel(e){this._updateZoomParameters(e.clientX,e.clientY),e.deltaY<0?this._dollyIn(this._getZoomScale(e.deltaY)):e.deltaY>0&&this._dollyOut(this._getZoomScale(e.deltaY)),this.update()}_handleKeyDown(e){let t=!1;switch(e.code){case this.keys.UP:e.ctrlKey||e.metaKey||e.shiftKey?this.enableRotate&&this._rotateUp(vi*this.keyRotateSpeed/this.domElement.clientHeight):this.enablePan&&this._pan(0,this.keyPanSpeed),t=!0;break;case this.keys.BOTTOM:e.ctrlKey||e.metaKey||e.shiftKey?this.enableRotate&&this._rotateUp(-vi*this.keyRotateSpeed/this.domElement.clientHeight):this.enablePan&&this._pan(0,-this.keyPanSpeed),t=!0;break;case this.keys.LEFT:e.ctrlKey||e.metaKey||e.shiftKey?this.enableRotate&&this._rotateLeft(vi*this.keyRotateSpeed/this.domElement.clientHeight):this.enablePan&&this._pan(this.keyPanSpeed,0),t=!0;break;case this.keys.RIGHT:e.ctrlKey||e.metaKey||e.shiftKey?this.enableRotate&&this._rotateLeft(-vi*this.keyRotateSpeed/this.domElement.clientHeight):this.enablePan&&this._pan(-this.keyPanSpeed,0),t=!0;break}t&&(e.preventDefault(),this.update())}_handleTouchStartRotate(e){if(this._pointers.length===1)this._rotateStart.set(e.pageX,e.pageY);else{let t=this._getSecondPointerPosition(e),i=.5*(e.pageX+t.x),n=.5*(e.pageY+t.y);this._rotateStart.set(i,n)}}_handleTouchStartPan(e){if(this._pointers.length===1)this._panStart.set(e.pageX,e.pageY);else{let t=this._getSecondPointerPosition(e),i=.5*(e.pageX+t.x),n=.5*(e.pageY+t.y);this._panStart.set(i,n)}}_handleTouchStartDolly(e){let t=this._getSecondPointerPosition(e),i=e.pageX-t.x,n=e.pageY-t.y,s=Math.sqrt(i*i+n*n);this._dollyStart.set(0,s)}_handleTouchStartDollyPan(e){this.enableZoom&&this._handleTouchStartDolly(e),this.enablePan&&this._handleTouchStartPan(e)}_handleTouchStartDollyRotate(e){this.enableZoom&&this._handleTouchStartDolly(e),this.enableRotate&&this._handleTouchStartRotate(e)}_handleTouchMoveRotate(e){if(this._pointers.length==1)this._rotateEnd.set(e.pageX,e.pageY);else{let i=this._getSecondPointerPosition(e),n=.5*(e.pageX+i.x),s=.5*(e.pageY+i.y);this._rotateEnd.set(n,s)}this._rotateDelta.subVectors(this._rotateEnd,this._rotateStart).multiplyScalar(this.rotateSpeed);let t=this.domElement;this._rotateLeft(vi*this._rotateDelta.x/t.clientHeight),this._rotateUp(vi*this._rotateDelta.y/t.clientHeight),this._rotateStart.copy(this._rotateEnd)}_handleTouchMovePan(e){if(this._pointers.length===1)this._panEnd.set(e.pageX,e.pageY);else{let t=this._getSecondPointerPosition(e),i=.5*(e.pageX+t.x),n=.5*(e.pageY+t.y);this._panEnd.set(i,n)}this._panDelta.subVectors(this._panEnd,this._panStart).multiplyScalar(this.panSpeed),this._pan(this._panDelta.x,this._panDelta.y),this._panStart.copy(this._panEnd)}_handleTouchMoveDolly(e){let t=this._getSecondPointerPosition(e),i=e.pageX-t.x,n=e.pageY-t.y,s=Math.sqrt(i*i+n*n);this._dollyEnd.set(0,s),this._dollyDelta.set(0,Math.pow(this._dollyEnd.y/this._dollyStart.y,this.zoomSpeed)),this._dollyOut(this._dollyDelta.y),this._dollyStart.copy(this._dollyEnd);let a=(e.pageX+t.x)*.5,o=(e.pageY+t.y)*.5;this._updateZoomParameters(a,o)}_handleTouchMoveDollyPan(e){this.enableZoom&&this._handleTouchMoveDolly(e),this.enablePan&&this._handleTouchMovePan(e)}_handleTouchMoveDollyRotate(e){this.enableZoom&&this._handleTouchMoveDolly(e),this.enableRotate&&this._handleTouchMoveRotate(e)}_addPointer(e){this._pointers.push(e.pointerId)}_removePointer(e){delete this._pointerPositions[e.pointerId];for(let t=0;t=.999&&typeof this.getUnsafe("tp")=="undefined"&&console.warn('You must specify "tp" (time of perihelion) for highly eccentric orbits'),this.locked=i}set(e,t,i="rad"){if(this.locked)throw new Error("Attempted to modify locked (immutable) Ephem object");return pE.has(e)?(i==="deg"?this.attrs[e]=t*Math.PI/180:this.attrs[e]=t,!0):(console.warn(`Invalid ephem attr: ${e}`),!1)}getUnsafe(e,t="rad"){if(t==="deg"){let i=this.attrs[e];return typeof i=="undefined"?void 0:i*180/Math.PI}return this.attrs[e]}get(e,t="rad"){let i=this.getUnsafe(e,t);if(typeof i=="undefined")throw console.info(this.attrs),new Error(`Attempted to get ephemeris value '${e}' but it was undefined`);return i}fill(){let e=this.getUnsafe("e");if(!Et(e))throw console.info(this.attrs),new Error('Must define eccentricity "e" in an orbit');let t=this.getUnsafe("a"),i=this.getUnsafe("q");if(Et(t)){if(!Et(i)){if(e>=1)throw new Error('Must provide perihelion distance "q" if eccentricity "e" is greater than 1');i=t*(1-e),this.set("q",i)}}else if(Et(i))t=i/(1-e),this.set("a",t);else throw new Error('Must define semimajor axis "a" or perihelion distance "q" in an orbit');let n=this.getUnsafe("w"),s=this.getUnsafe("wBar"),a=this.getUnsafe("om");Et(n)&&Et(a)&&!Et(s)?(s=n+a,this.set("wBar",s)):Et(s)&&Et(a)&&!Et(n)?(n=s-a,this.set("w",n)):Et(n)&&Et(s)&&!Et(a)&&(a=s-n,this.set("om",a));let o=t*dE,l=this.getUnsafe("n"),c=this.getUnsafe("GM"),h=this.getUnsafe("period");if(!Et(h)&&Et(t)){if(!Et(c))throw new Error("Expected ephemeris attribute GM to be set");h=2*Math.PI*Math.sqrt(o*o*o/c)/fE,this.set("period",h)}if(e<1)if(Et(h)&&!Et(l)){let f=2*Math.PI/h;this.set("n",f)}else Et(l)&&!Et(h)&&this.set("period",2*Math.PI/l);let u=this.getUnsafe("ma"),d=this.getUnsafe("L");!Et(d)&&Et(a)&&Et(n)&&Et(u)&&(d=a+n+u,this.set("L",d)),Et(u)||this.set("ma",d-s)}lock(){this.locked=!0}copy(){return new jt({GM:this.getUnsafe("GM"),epoch:this.getUnsafe("epoch"),a:this.getUnsafe("a"),e:this.getUnsafe("e"),i:this.getUnsafe("i"),om:this.getUnsafe("om"),ma:this.getUnsafe("ma"),w:this.getUnsafe("w"),period:this.getUnsafe("period")},"rad")}};function gh(r,e,t,i,n,s){if(r===void 0)throw"data object is undefined";if(!Array.isArray(r))throw"data object must be an array";if(t>=i)throw"first row must be greater than last row";if(t<0)throw"first row must be greater than zero";if(i>r.length-1)throw"last row must be ";if(!Array.isArray(r[t]))throw"data in rows must be array data";let a=r[0].length-1;if(n<0||n>a)throw`xIndex has to be between 0 and ${a}: ${n}`;if(s<0||s>a)throw`yIndex has to be between 0 and ${a}: ${s}`;let o=0;for(let l=t;l<=i;l++){let c=1;for(let h=t;h<=i;h++)h!==l&&(c*=(e-r[h][n])/(r[l][n]-r[h][n]));o+=c*r[l][s]}return o}var gE=(r,e)=>r-e,vE="{{assets}}/sprites/fuzzyparticle.png";function nl(r,e){return r.replace("{{assets}}",`${e}/assets`).replace("{{data}}",`${e}/data`)}function $r(r,e){return nl(r||vE,e)}function Gg(r,e){let t=$r(r,e),i=new wi().load(t);return i.colorSpace=Oe,i}function Vg(){return window.location.href.indexOf("localhost")>-1?"/src/":"https://typpo.github.io/spacekit/src"}function Wg(r,e,t=gE){if(r===void 0)throw"data object is undefined";if(!Array.isArray(r))throw"data object must be an array";if(e===void 0)throw"value object must be defined";if(t===void 0)throw"comparer must be defined";let i=0,n=r.length;for(;i<=n;){let s=Math.floor((i+n)/2);if(s===r.length)return s;let a=t(r[s],e);if(a<0)i=s+1;else if(a>0)n=s-1;else return s}return~i}var Xg=20,xE=(r,e)=>r[0]-e,Ef={distance:"au",time:"day"},_E="cartesianposvel",yE="lagrange",AE=5,SE=new Set(["km","au"]),EE=new Set(["cartesianposvel"]),ME=new Set(["lagrange"]),bE=new Set(["day","sec"]),Ci=class{constructor(e){if(this.units=JSON.parse(JSON.stringify(Ef)),this.ephemType=_E,this.interpolationType=yE,this.interpolationOrder=AE,!e)throw new Error("EphemerisTable must be initialized with an ephemeris data structure");if(!e.data||!Array.isArray(e.data)||e.data.length===0||!Array.isArray(e.data[0]))throw new Error("EphemerisTable must be initialized with a structure containing an array of arrays of ephemeris data");if(this.data=JSON.parse(JSON.stringify(e.data)),e.distanceUnits){if(!SE.has(e.distanceUnits))throw new Error(`Unknown distance units: ${e.distanceUnits}`);this.units.distance=e.distanceUnits}if(e.timeUnits){if(!bE.has(e.timeUnits))throw new Error(`Unknown time units: ${e.timeUnits}`);this.units.time=e.timeUnits}if(e.ephemerisType){if(!EE.has(e.ephemerisType))throw new Error(`Unknown ephemeris type: ${e.ephemerisType}`);this.ephemType=e.ephemerisType}if(e.interpolationType){if(!ME.has(e.interpolationType))throw new Error(`Unknown interpolation type: ${e.interpolationType}`);this.interpolationType=e.interpolationType}if(e.interpolationOrder!==void 0){if(e.interpolationOrder<1||e.interpolationOrder>Xg)throw new Error(`Interpolation order must be >0 and <${Xg}: ${e.interpolationOrder}`);this.interpolationOrder=e.interpolationOrder}if(this.units.distance!==Ef.distance||this.units.time!==Ef.time){let t=this.calcDistanceMultiplier(this.units.distance),i=this.calcTimeMultiplier(this.units.time);this.data.forEach(n=>{n[1]*=t,n[2]*=t,n[3]*=t,n[4]*=t*i,n[5]*=t*i,n[6]*=t*i})}}getStartJd(){return this.data[0][0]}getStopJd(){return this.data[this.data.length-1][0]}getPositionAtTime(e){if(e<=this.data[0][0])return[this.data[0][1],this.data[0][2],this.data[0][3]];let t=this.data[this.data.length-1];if(e>=t[0])return[t[1],t[2],t[3]];let{startIndex:i,stopIndex:n}=this.calcBoundingIndices(e),s=gh(this.data,e,i,n,0,1),a=gh(this.data,e,i,n,0,2),o=gh(this.data,e,i,n,0,3);return[s,a,o]}getPositions(e,t,i){if(e>t)throw new Error("Requested start needs to be after requested stop");if(i<=0)throw new Error("Step days needs to be greater than zero");let n=[];for(let s=e;s<=t;s+=i)n.push(this.getPositionAtTime(s));return n}calcDistanceMultiplier(e){switch(e){case"au":return 1;case"km":return yt.kmToAu(1);default:throw new Error("Unknown distance unit type: "+e)}}calcTimeMultiplier(e){switch(e){case"day":return 1;case"sec":return 1/86400;default:throw new Error("Unknown time unit type: "+e)}}calcBoundingIndices(e){let t=Math.floor(this.interpolationOrder/2),i=Wg(this.data,e,xE);i<0&&(i=~i-1);let n=i-t;n<0&&(n=0);let s=n+Number(this.interpolationOrder);return s>=this.data.length&&(s=this.data.length-1,this.data.length>t&&(n=s-t)),{startIndex:n,stopIndex:s}}};var Vi={MERCURY:new jt({epoch:24584265e-1,a:.3870968969437096,e:.2056515875393916,i:7.003891682749818,om:48.30774804443502,w:29.17940253442659,ma:256.190975209273,period:87.969257},"deg",!0),VENUS:new jt({epoch:24584265e-1,a:.7233458663591554,e:.006762510759617694,i:3.394567787211735,om:76.62534150657346,w:54.74567447560867,ma:275.6687596099721,period:224.70079922},"deg",!0),EARTH:new jt({epoch:2451545,a:1.00000261,e:.01671123,i:-1531e-8,om:0,wBar:102.93768193,L:100.46457166,period:365.256363004},"deg",!0),MOON:new jt({GM:Jr.EARTH_MOON,epoch:24586215e-1,a:.002582517063772124,e:.04582543645168888,i:5.102060246928811,om:108.5916732144811,w:61.80561793729225,ma:50.53270083636792,period:27.321582},"deg",!0),MARS:new jt({epoch:24584265e-1,a:1.52371401537107,e:.09336741335309606,i:1.848141099825311,om:49.50420572080223,w:286.6965847685386,ma:25.38237617924876,period:686.98},"deg",!0),JUPITER:new jt({epoch:24584265e-1,a:5.20180355911023,e:.0489912558249006,i:1.303560894624275,om:100.5203828847816,w:273.736301845404,ma:231.939544389401,period:4332.589},"deg",!0),SATURN:new jt({epoch:24584265e-1,a:9.577177295536776,e:.05101889921719987,i:2.482782449972317,om:113.6154964073247,w:339.4422648650336,ma:187.0970898012944,period:10755.698},"deg",!0),URANUS:new jt({epoch:24584265e-1,a:19.14496966635462,e:.04832662948112808,i:.7697511134483724,om:74.14239045667875,w:99.42704504702185,ma:220.2603033874267,period:30685.4},"deg",!0),NEPTUNE:new jt({epoch:24584265e-1,a:30.0962226342805,e:.00736257118719377,i:1.774569249829094,om:131.8695882492132,w:258.6226409499831,ma:315.2804988924479,period:60189},"deg",!0),PLUTO:new jt({epoch:24540005e-1,a:39.4450697257,e:.250248713478,i:17.0890009196,om:110.376957955,w:112.597141677,ma:25.2471897122},"deg",!0)},vh=class{constructor(e){this._simulation=e,this._context=e.getContext(),this._satellitesByPlanet={};let t=nl("{{data}}/processed/natural-satellites.json",this._context.options.basePath);this._readyPromise=new Promise((i,n)=>{fetch(t).then(s=>s.json()).then(s=>{s.forEach(a=>{let o=a.Planet.toLowerCase();this._satellitesByPlanet[o]||(this._satellitesByPlanet[o]=[]);let l;switch(a["Element Type"]){case"Ecliptic":break;case"Equatorial":l="equatorial";break;case"Laplace":l="equatorial";break;default:console.warn(`Ephemeris type not yet implemented: ${l}`);return}let c;switch(a.Planet){case"Earth":c=Jr.EARTH_MOON;break;case"Pluto":c=Jr.PLUTO_CHARON;break;default:c=Jr[a.Planet.toUpperCase()]}c||console.error(`Could not look up GM for ${a.Planet}`);let h=new jt({GM:c,epoch:Number(a["Epoch JD"]),a:yt.kmToAu(Number(a.a)),e:Number(a.e),i:Number(a.i),w:Number(a.w),om:Number(a.node),ma:Number(a.M)},"deg",!0);this._satellitesByPlanet[o].push({name:a["Sat."],elementType:a["Element Type"],tags:new Set(a.tags.split(",")),ephem:h})}),console.info("Loaded",s.length,"natural satellites"),i(this)}).catch(s=>{n(s)})})}getSatellitesForPlanet(e){return this._satellitesByPlanet[e.toLowerCase()]}load(){return this._readyPromise}};var Qg=Yf(Mf());var It;(function(s){s[s.UNKNOWN=0]="UNKNOWN",s[s.PARABOLIC=1]="PARABOLIC",s[s.HYPERBOLIC=2]="HYPERBOLIC",s[s.ELLIPTICAL=3]="ELLIPTICAL",s[s.TABLE=4]="TABLE"})(It||(It={}));var{sin:es,cos:Fn,sqrt:sr}=Math,Kg=10,DE=360,PE=1,Jg=!1,IE={leadDurationYears:Kg,trailDurationYears:Kg,numberSamplePoints:DE,eclipticLineSparsity:PE,drawHeliocentric:Jg};function xh(r){return Math.exp(Math.log(r)/3)}var Hn=class{constructor(e,t){var i;this.ephem=e,this.options=t||{},this.options.orbitPathSettings=Object.assign({},IE,(i=this.options.orbitPathSettings)!=null?i:{}),this.orbitPoints=void 0,this.eclipticDropLines=void 0,this.orbitShape=void 0,this.orbitStart=0,this.orbitStop=0,this.orbitType=Hn.getOrbitType(this.ephem)}isHeliocentric(){var e,t;return(t=(e=this.options.orbitPathSettings)==null?void 0:e.drawHeliocentric)!=null?t:Jg}getPositionAtTime(e,t=!1){switch(this.orbitType){case 1:return this.getPositionAtTimeNearParabolic(e,t);case 2:return this.getPositionAtTimeHyperbolic(e,t);case 3:return this.getPositionAtTimeElliptical(e,t);case 4:return this.getPositionAtTimeTable(e,t);default:throw new Error("No handler for this type of orbit")}}getPositionAtTimeParabolic(e,t=!1){let i=this.ephem;if(i instanceof Ci)throw new Error("Attempted to compute coordinates from ephemeris table");let n=.01720209895,s=i.get("q"),o=(e-i.get("tp"))*(n/sr(2))/sr(s*s*s),l=1.5*o,c=sr(1+l*l),h=xh(c+l)-xh(c-l),u=2*Math.atan(h),d=s*(1+h*h);return this.vectorToHeliocentric(u,d)}getPositionAtTimeNearParabolic(e,t=!1){let i=this.ephem;if(i instanceof Ci)throw new Error("Attempted to compute coordinates from ephemeris table");let n=.01720209895,s=i.get("e"),a=i.get("q"),o=e-i.get("tp"),l=.75*o*n*sr((1+s)/(a*a*a)),c=sr(1+l*l),h=xh(c+l)-xh(c-l),u=(1-s)/(1+s),d=2/3+2/5*h*h,f=7/5+33/35*h*h+37/175*rn(h,4),m=h*h*(432/175+956/1125*h*h+84/1575*rn(h,4)),v=h*h/(1+h*h),g=u*v*v,p=h*(1+u*v*(d+f*g+m*g*g)),y=2*Math.atan(p),x=a*(1+p*p)/(1+p*p*u);return this.vectorToHeliocentric(y,x)}getPositionAtTimeHyperbolic(e,t=!1){let i=this.ephem;if(i instanceof Ci)throw new Error("Attempted to compute coordinates from ephemeris table");let n=i.get("e"),s=i.get("a"),a=i.get("ma"),o=i.get("n","rad"),l=i.get("epoch"),c=e-l,h=a+o*c,u=h;for(let v=0;v<100;v++){let g=(h+n*(u*Math.cosh(u)-Math.sinh(u)))/(n*Math.cosh(u)-1),p=Math.abs(g-u);if(u=g,p<1e-7)break}let d=u,f=2*Math.atan(sr((n+1)/(n-1)))*Math.tanh(d/2),m=s*(1-n*n)/(1+n*Fn(f));return this.vectorToHeliocentric(f,m)}getPositionAtTimeElliptical(e,t=!1){let i=this.ephem;if(i instanceof Ci)throw new Error("Attempted to compute coordinates from ephemeris table");let n=i.get("e"),s=i.get("ma","rad"),a=i.get("n","rad"),o=i.get("epoch"),l=e-o,c=s+a*l;t&&(console.info("period=",i.get("period")),console.info("n=",a),console.info("ma=",s),console.info("d=",l),console.info("M=",c));let h=c;for(let v=0;v<100;v++){let g=c+n*es(h),p=Math.abs(g-h);if(h=g,p<1e-7)break}let u=h,d=2*Math.atan(sr((1+n)/(1-n))*Math.tan(u/2)),m=i.get("a")*(1-n*n)/(1+n*Fn(d));return this.vectorToHeliocentric(d,m)}getPositionAtTimeTable(e,t=!1){if(this.ephem instanceof Ci){let i=this.ephem.getPositionAtTime(e);return yf(i[0],i[1],i[2])}throw new Error("Attempted to read ephemeris table of non-table data")}vectorToHeliocentric(e,t){let i=this.ephem;if(i instanceof Ci)throw new Error("Attempted to compute coordinates from ephemeris table");let n=i.get("i","rad"),s=i.get("om","rad"),a=i.get("wBar","rad"),o=t*(Fn(s)*Fn(e+a-s)-es(s)*es(e+a-s)*Fn(n)),l=t*(es(s)*Fn(e+a-s)+Fn(s)*es(e+a-s)*Fn(n)),c=t*(es(e+a-s)*es(n));return yf(o,l,c)}needsUpdateForTime(e){return this.orbitType===4?ethis.orbitStop:!1}getOrbitShape(e,t=!1,i){var s,a,o,l,c;if(t&&(this.orbitShape&&(this.orbitShape.geometry.dispose(),this.orbitShape.material.dispose()),this.orbitShape=void 0,this.orbitPoints=void 0,this.eclipticDropLines&&(this.eclipticDropLines.geometry.dispose(),this.eclipticDropLines.material.dispose()),this.eclipticDropLines=void 0),this.orbitShape)return this.orbitShape;if(this.orbitType===4&&this.ephem instanceof Ci)this.orbitStart=this.ephem.getStartJd(),this.orbitStop=this.ephem.getStopJd();else if(this.orbitType!==4&&!(this.ephem instanceof Ci)){let h=(s=e!=null?e:this.ephem.getUnsafe("tp"))!=null?s:Qg.default.toJulianDay(new Date);this.orbitStart=h-this.options.orbitPathSettings.trailDurationYears*365.25,this.orbitStop=h+this.options.orbitPathSettings.leadDurationYears*365.25}else throw new Error("if this.orbitType == OrbitType.TABLE, then this.ephem needs to be an instance of EphemerisTable and vice versa");let n=(this.orbitStop-this.orbitStart)/this.options.orbitPathSettings.numberSamplePoints;switch(this.orbitType){case 3:return((a=this.options.orbitPathSettings)==null?void 0:a.drawHeliocentric)&&i?this.getEllipseAround(this.orbitStart,this.orbitStop,n,i):this.getEllipse();case 2:return this.getLine(this.getPositionAtTimeHyperbolic.bind(this),this.orbitStart,this.orbitStop,n,((o=this.options.orbitPathSettings)==null?void 0:o.drawHeliocentric)?i:void 0);case 1:return this.getLine(this.getPositionAtTimeNearParabolic.bind(this),this.orbitStart,this.orbitStop,n,((l=this.options.orbitPathSettings)==null?void 0:l.drawHeliocentric)?i:void 0);case 4:return this.getTableOrbit(this.orbitStart,this.orbitStop,n,((c=this.options.orbitPathSettings)==null?void 0:c.drawHeliocentric)?i:void 0);default:throw new Error("Unknown orbit shape")}}getLine(e,t,i,n,s){let a=[];for(let o=t;o<=i;o+=n){let l=e(o);if(s){let c=s.getPosition(o);l[0]+=c[0],l[1]+=c[1],l[2]+=c[2]}a.push(new b(l[0],l[1],l[2]))}return this.generateAndCacheOrbitShape(a)}getTableOrbit(e,t,i,n){if(this.ephem instanceof jt)throw new Error("Attempted to compute table orbit on non-table ephemeris");let a=this.ephem.getPositions(e,t,i).map(o=>en(o)).map(o=>new b(o[0],o[1],o[2]));return n&&a.forEach((o,l)=>{let c=n.getPosition(e+l*i);o.x+=c[0],o.y+=c[1],o.z+=c[2]}),this.generateAndCacheOrbitShape(a)}getEllipse(){let e=this.getEllipsePoints();return this.generateAndCacheOrbitShape(e)}getEllipseAround(e,t,i,n){let s=[];for(let a=e;a<=t;a+=i){let o=n.getPosition(a),l=this.getPositionAtTimeElliptical(a,!1);s.push(new b(o[0]+l[0],o[1]+l[1],o[2]+l[2]))}return this.generateAndCacheOrbitShape(s)}getEllipsePoints(){let e=this.ephem;if(e instanceof Ci)throw new Error("Attempted to compute coordinates from ephemeris table");let t=e.get("a"),i=e.get("e"),n=Math.PI*2,s=n/this.options.orbitPathSettings.numberSamplePoints,a=[];for(let o=0;o{var a,o;s===e.length-1&&this.orbitType===3||s%((o=(a=this.options.orbitPathSettings)==null?void 0:a.eclipticLineSparsity)!=null?o:1)!=0||(t.push(n),t.push(new b(n.x,n.y,0)))});let i=new we().setFromPoints(t);return this.eclipticDropLines=new Zt(i,new _t({color:this.options.eclipticLineColor||3355443,blending:sn})),this.eclipticDropLines}getHexColor(){return this.getOrbitShape().material.color.getHex()}setHexColor(e){this.getOrbitShape().material.color=new re(e)}getVisibility(){return this.getOrbitShape().visible}setVisibility(e){this.getOrbitShape().visible=e,this.getLinesToEcliptic().visible=e}removalCleanup(){this.orbitShape&&(this.orbitShape.geometry.dispose(),this.orbitShape.material.dispose()),this.eclipticDropLines&&(this.eclipticDropLines.geometry.dispose(),this.eclipticDropLines.material.dispose())}static getOrbitType(e){if(e instanceof Ci)return 4;let t=e.get("e");return t>=.999&&t<1.2?1:t>1.2?2:3}};var Th=Yf(Mf());var rl=function(){var r=0,e=document.createElement("div");e.style.cssText="position:fixed;top:0;left:0;cursor:pointer;opacity:0.9;z-index:10000",e.addEventListener("click",function(h){h.preventDefault(),i(++r%e.children.length)},!1);function t(h){return e.appendChild(h.dom),h}function i(h){for(var u=0;u=s+1e3&&(o.update(a*1e3/(h-s),100),s=h,a=0,c)){var u=performance.memory;c.update(u.usedJSHeapSize/1048576,u.jsHeapSizeLimit/1048576)}return h},update:function(){n=this.end()},domElement:e,setMode:i}};rl.Panel=function(r,e,t){var i=1/0,n=0,s=Math.round,a=s(window.devicePixelRatio||1),o=80*a,l=48*a,c=3*a,h=2*a,u=3*a,d=15*a,f=74*a,m=30*a,v=document.createElement("canvas");v.width=o,v.height=l,v.style.cssText="width:80px;height:48px";var g=v.getContext("2d");return g.font="bold "+9*a+"px 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this._delta*bf}get fixedDelta(){return this._fixedDelta*bf}set fixedDelta(r){this._fixedDelta=r*UE}get elapsed(){return this._elapsed*bf}update(r){this.useFixedDelta?this._delta=this.fixedDelta:(this.previousTime=this.currentTime,this.currentTime=(r!==void 0?r:performance.now())-this.startTime,this._delta=this.currentTime-this.previousTime),this._delta*=this.timescale,this._elapsed+=this._delta}reset(){this._delta=0,this._elapsed=0,this.currentTime=performance.now()-this.startTime}getDelta(){return this.delta}getElapsed(){return this.elapsed}handleEvent(r){document.hidden||(this.currentTime=performance.now()-this.startTime)}dispose(){this.autoReset=!1}},BE=(()=>{let r=new Float32Array([-1,-1,0,3,-1,0,-1,3,0]),e=new Float32Array([0,0,2,0,0,2]),t=new we;return t.setAttribute("position",new Ce(r,3)),t.setAttribute("uv",new Ce(e,2)),t})(),nn=class Tf{static get fullscreenGeometry(){return BE}constructor(e="Pass",t=new Pn,i=new Kn){this.name=e,this.renderer=null,this.scene=t,this.camera=i,this.screen=null,this.rtt=!0,this.needsSwap=!0,this.needsDepthTexture=!1,this.enabled=!0}get renderToScreen(){return!this.rtt}set renderToScreen(e){if(this.rtt===e){let t=this.fullscreenMaterial;t!==null&&(t.needsUpdate=!0),this.rtt=!e}}set mainScene(e){}set mainCamera(e){}setRenderer(e){this.renderer=e}isEnabled(){return this.enabled}setEnabled(e){this.enabled=e}get fullscreenMaterial(){return this.screen!==null?this.screen.material:null}set fullscreenMaterial(e){let t=this.screen;t!==null?t.material=e:(t=new tt(Tf.fullscreenGeometry,e),t.frustumCulled=!1,this.scene===null&&(this.scene=new Pn),this.scene.add(t),this.screen=t)}getFullscreenMaterial(){return this.fullscreenMaterial}setFullscreenMaterial(e){this.fullscreenMaterial=e}getDepthTexture(){return null}setDepthTexture(e,t=Bi){}render(e,t,i,n,s){throw new Error("Render method not implemented!")}setSize(e,t){}initialize(e,t,i){}dispose(){for(let e of Object.keys(this)){let t=this[e];(t instanceof mt||t instanceof St||t instanceof pt||t instanceof Tf)&&this[e].dispose()}this.fullscreenMaterial!==null&&this.fullscreenMaterial.dispose()}},OE=class extends nn{constructor(){super("ClearMaskPass",null,null);this.needsSwap=!1}render(r,e,t,i,n){let s=r.state.buffers.stencil;s.setLocked(!1),s.setTest(!1)}},NE=`#include +#include +#ifdef FRAMEBUFFER_PRECISION_HIGH +uniform mediump sampler2D inputBuffer; +#else +uniform lowp sampler2D inputBuffer; +#endif +uniform float opacity;varying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);gl_FragColor=opacity*texel; +#include +#include +}`,ev="varying vec2 vUv;void main(){vUv=position.xy*0.5+0.5;gl_Position=vec4(position.xy,1.0,1.0);}",tv=class extends Ke{constructor(){super({name:"CopyMaterial",uniforms:{inputBuffer:new Ze(null),opacity:new Ze(1)},blending:Dt,toneMapped:!1,depthWrite:!1,depthTest:!1,fragmentShader:NE,vertexShader:ev})}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setInputBuffer(r){this.uniforms.inputBuffer.value=r}getOpacity(r){return this.uniforms.opacity.value}setOpacity(r){this.uniforms.opacity.value=r}},FE=class extends nn{constructor(r,e=!0){super("CopyPass");this.fullscreenMaterial=new tv,this.needsSwap=!1,this.renderTarget=r,r===void 0&&(this.renderTarget=new mt(1,1,{minFilter:xt,magFilter:xt,stencilBuffer:!1,depthBuffer:!1}),this.renderTarget.texture.name="CopyPass.Target"),this.autoResize=e}get resize(){return this.autoResize}set resize(r){this.autoResize=r}get texture(){return this.renderTarget.texture}getTexture(){return this.renderTarget.texture}setAutoResizeEnabled(r){this.autoResize=r}render(r,e,t,i,n){this.fullscreenMaterial.inputBuffer=e.texture,r.setRenderTarget(this.renderToScreen?null:this.renderTarget),r.render(this.scene,this.camera)}setSize(r,e){this.autoResize&&this.renderTarget.setSize(r,e)}initialize(r,e,t){t!==void 0&&(this.renderTarget.texture.type=t,t!==bt?this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH="1":r!==null&&r.outputColorSpace===Oe&&(this.renderTarget.texture.colorSpace=Oe))}},iv=new re,nv=class extends nn{constructor(r=!0,e=!0,t=!1){super("ClearPass",null,null);this.needsSwap=!1,this.color=r,this.depth=e,this.stencil=t,this.overrideClearColor=null,this.overrideClearAlpha=-1}setClearFlags(r,e,t){this.color=r,this.depth=e,this.stencil=t}getOverrideClearColor(){return this.overrideClearColor}setOverrideClearColor(r){this.overrideClearColor=r}getOverrideClearAlpha(){return this.overrideClearAlpha}setOverrideClearAlpha(r){this.overrideClearAlpha=r}render(r,e,t,i,n){let s=this.overrideClearColor,a=this.overrideClearAlpha,o=r.getClearAlpha(),l=s!==null,c=a>=0;l?(r.getClearColor(iv),r.setClearColor(s,c?a:o)):c&&r.setClearAlpha(a),r.setRenderTarget(this.renderToScreen?null:e),r.clear(this.color,this.depth,this.stencil),l?r.setClearColor(iv,o):c&&r.setClearAlpha(o)}},HE=class extends nn{constructor(r,e){super("MaskPass",r,e);this.needsSwap=!1,this.clearPass=new nv(!1,!1,!0),this.inverse=!1}set mainScene(r){this.scene=r}set mainCamera(r){this.camera=r}get inverted(){return this.inverse}set inverted(r){this.inverse=r}get clear(){return this.clearPass.enabled}set clear(r){this.clearPass.enabled=r}getClearPass(){return this.clearPass}isInverted(){return this.inverted}setInverted(r){this.inverted=r}render(r,e,t,i,n){let s=r.getContext(),a=r.state.buffers,o=this.scene,l=this.camera,c=this.clearPass,h=this.inverted?0:1,u=1-h;a.color.setMask(!1),a.depth.setMask(!1),a.color.setLocked(!0),a.depth.setLocked(!0),a.stencil.setTest(!0),a.stencil.setOp(s.REPLACE,s.REPLACE,s.REPLACE),a.stencil.setFunc(s.ALWAYS,h,4294967295),a.stencil.setClear(u),a.stencil.setLocked(!0),this.clearPass.enabled&&(this.renderToScreen?c.render(r,null):(c.render(r,e),c.render(r,t))),this.renderToScreen?(r.setRenderTarget(null),r.render(o,l)):(r.setRenderTarget(e),r.render(o,l),r.setRenderTarget(t),r.render(o,l)),a.color.setLocked(!1),a.depth.setLocked(!1),a.stencil.setLocked(!1),a.stencil.setFunc(s.EQUAL,1,4294967295),a.stencil.setOp(s.KEEP,s.KEEP,s.KEEP),a.stencil.setLocked(!0)}},rv=class{constructor(r=null,{depthBuffer:e=!0,stencilBuffer:t=!1,multisampling:i=0,frameBufferType:n}={}){this.renderer=null,this.inputBuffer=this.createBuffer(e,t,n,i),this.outputBuffer=this.inputBuffer.clone(),this.copyPass=new FE,this.depthTexture=null,this.passes=[],this.timer=new LE,this.autoRenderToScreen=!0,this.setRenderer(r)}get multisampling(){return this.inputBuffer.samples||0}set multisampling(r){let e=this.inputBuffer,t=this.multisampling;t>0&&r>0?(this.inputBuffer.samples=r,this.outputBuffer.samples=r,this.inputBuffer.dispose(),this.outputBuffer.dispose()):t!==r&&(this.inputBuffer.dispose(),this.outputBuffer.dispose(),this.inputBuffer=this.createBuffer(e.depthBuffer,e.stencilBuffer,e.texture.type,r),this.inputBuffer.depthTexture=this.depthTexture,this.outputBuffer=this.inputBuffer.clone())}getTimer(){return this.timer}getRenderer(){return this.renderer}setRenderer(r){if(this.renderer=r,r!==null){let e=r.getSize(new z),t=r.getContext().getContextAttributes().alpha,i=this.inputBuffer.texture.type;i===bt&&r.outputColorSpace===Oe&&(this.inputBuffer.texture.colorSpace=Oe,this.outputBuffer.texture.colorSpace=Oe,this.inputBuffer.dispose(),this.outputBuffer.dispose()),r.autoClear=!1,this.setSize(e.width,e.height);for(let n of this.passes)n.initialize(r,t,i)}}replaceRenderer(r,e=!0){let t=this.renderer,i=t.domElement.parentNode;return this.setRenderer(r),e&&i!==null&&(i.removeChild(t.domElement),i.appendChild(r.domElement)),t}createDepthTexture(){let r=this.depthTexture=new Cr;return this.inputBuffer.depthTexture=r,this.inputBuffer.dispose(),this.inputBuffer.stencilBuffer?(r.format=cn,r.type=ln):r.type=Li,r}deleteDepthTexture(){if(this.depthTexture!==null){this.depthTexture.dispose(),this.depthTexture=null,this.inputBuffer.depthTexture=null,this.inputBuffer.dispose();for(let r of this.passes)r.setDepthTexture(null)}}createBuffer(r,e,t,i){let n=this.renderer,s=n===null?new z:n.getDrawingBufferSize(new z),a={minFilter:xt,magFilter:xt,stencilBuffer:e,depthBuffer:r,type:t},o=new mt(s.width,s.height,a);return i>0&&(o.ignoreDepthForMultisampleCopy=!1,o.samples=i),t===bt&&n!==null&&n.outputColorSpace===Oe&&(o.texture.colorSpace=Oe),o.texture.name="EffectComposer.Buffer",o.texture.generateMipmaps=!1,o}setMainScene(r){for(let e of this.passes)e.mainScene=r}setMainCamera(r){for(let e of this.passes)e.mainCamera=r}addPass(r,e){let t=this.passes,i=this.renderer,n=i.getDrawingBufferSize(new z),s=i.getContext().getContextAttributes().alpha,a=this.inputBuffer.texture.type;if(r.setRenderer(i),r.setSize(n.width,n.height),r.initialize(i,s,a),this.autoRenderToScreen&&(t.length>0&&(t[t.length-1].renderToScreen=!1),r.renderToScreen&&(this.autoRenderToScreen=!1)),e!==void 0?t.splice(e,0,r):t.push(r),this.autoRenderToScreen&&(t[t.length-1].renderToScreen=!0),r.needsDepthTexture||this.depthTexture!==null)if(this.depthTexture===null){let o=this.createDepthTexture();for(r of t)r.setDepthTexture(o)}else r.setDepthTexture(this.depthTexture)}removePass(r){let e=this.passes,t=e.indexOf(r);if(t!==-1&&e.splice(t,1).length>0){if(this.depthTexture!==null){let s=(o,l)=>o||l.needsDepthTexture;e.reduce(s,!1)||(r.getDepthTexture()===this.depthTexture&&r.setDepthTexture(null),this.deleteDepthTexture())}this.autoRenderToScreen&&t===e.length&&(r.renderToScreen=!1,e.length>0&&(e[e.length-1].renderToScreen=!0))}}removeAllPasses(){let r=this.passes;this.deleteDepthTexture(),r.length>0&&(this.autoRenderToScreen&&(r[r.length-1].renderToScreen=!1),this.passes=[])}render(r){let e=this.renderer,t=this.copyPass,i=this.inputBuffer,n=this.outputBuffer,s=!1,a,o,l;r===void 0&&(this.timer.update(),r=this.timer.getDelta());for(let c of this.passes)c.enabled&&(c.render(e,i,n,r,s),c.needsSwap&&(s&&(t.renderToScreen=c.renderToScreen,a=e.getContext(),o=e.state.buffers.stencil,o.setFunc(a.NOTEQUAL,1,4294967295),t.render(e,i,n,r,s),o.setFunc(a.EQUAL,1,4294967295)),l=i,i=n,n=l),c instanceof HE?s=!0:c instanceof OE&&(s=!1))}setSize(r,e,t){let i=this.renderer,n=i.getSize(new z);(r===void 0||e===void 0)&&(r=n.width,e=n.height),(n.width!==r||n.height!==e)&&i.setSize(r,e,t);let s=i.getDrawingBufferSize(new z);this.inputBuffer.setSize(s.width,s.height),this.outputBuffer.setSize(s.width,s.height);for(let a of this.passes)a.setSize(s.width,s.height)}reset(){this.dispose(),this.autoRenderToScreen=!0}dispose(){for(let r of this.passes)r.dispose();this.passes=[],this.inputBuffer!==null&&this.inputBuffer.dispose(),this.outputBuffer!==null&&this.outputBuffer.dispose(),this.deleteDepthTexture(),this.copyPass.dispose(),this.timer.dispose(),nn.fullscreenGeometry.dispose()}},ts={NONE:0,DEPTH:1,CONVOLUTION:2},ot={FRAGMENT_HEAD:"FRAGMENT_HEAD",FRAGMENT_MAIN_UV:"FRAGMENT_MAIN_UV",FRAGMENT_MAIN_IMAGE:"FRAGMENT_MAIN_IMAGE",VERTEX_HEAD:"VERTEX_HEAD",VERTEX_MAIN_SUPPORT:"VERTEX_MAIN_SUPPORT"},zE=class{constructor(){this.shaderParts=new Map([[ot.FRAGMENT_HEAD,null],[ot.FRAGMENT_MAIN_UV,null],[ot.FRAGMENT_MAIN_IMAGE,null],[ot.VERTEX_HEAD,null],[ot.VERTEX_MAIN_SUPPORT,null]]),this.defines=new Map,this.uniforms=new Map,this.blendModes=new Map,this.extensions=new Set,this.attributes=ts.NONE,this.varyings=new Set,this.uvTransformation=!1,this.readDepth=!1,this.colorSpace=Oi}};var wf=!1,sv=class{constructor(r=null){this.originalMaterials=new Map,this.material=null,this.materials=null,this.materialsBackSide=null,this.materialsDoubleSide=null,this.materialsFlatShaded=null,this.materialsFlatShadedBackSide=null,this.materialsFlatShadedDoubleSide=null,this.setMaterial(r),this.meshCount=0,this.replaceMaterial=e=>{if(e.isMesh){let t;if(e.material.flatShading)switch(e.material.side){case Nt:t=this.materialsFlatShadedDoubleSide;break;case At:t=this.materialsFlatShadedBackSide;break;default:t=this.materialsFlatShaded;break}else switch(e.material.side){case Nt:t=this.materialsDoubleSide;break;case At:t=this.materialsBackSide;break;default:t=this.materials;break}this.originalMaterials.set(e,e.material),e.isSkinnedMesh?e.material=t[2]:e.isInstancedMesh?e.material=t[1]:e.material=t[0],++this.meshCount}}}cloneMaterial(r){if(!(r instanceof Ke))return r.clone();let e=r.uniforms,t=new Map;for(let n in e){let s=e[n].value;s.isRenderTargetTexture&&(e[n].value=null,t.set(n,s))}let i=r.clone();for(let n of t)e[n[0]].value=n[1],i.uniforms[n[0]].value=n[1];return i}setMaterial(r){if(this.disposeMaterials(),this.material=r,r!==null){let e=this.materials=[this.cloneMaterial(r),this.cloneMaterial(r),this.cloneMaterial(r)];for(let t of e)t.uniforms=Object.assign({},r.uniforms),t.side=Ui;e[2].skinning=!0,this.materialsBackSide=e.map(t=>{let i=this.cloneMaterial(t);return i.uniforms=Object.assign({},r.uniforms),i.side=At,i}),this.materialsDoubleSide=e.map(t=>{let i=this.cloneMaterial(t);return i.uniforms=Object.assign({},r.uniforms),i.side=Nt,i}),this.materialsFlatShaded=e.map(t=>{let i=this.cloneMaterial(t);return i.uniforms=Object.assign({},r.uniforms),i.flatShading=!0,i}),this.materialsFlatShadedBackSide=e.map(t=>{let i=this.cloneMaterial(t);return i.uniforms=Object.assign({},r.uniforms),i.flatShading=!0,i.side=At,i}),this.materialsFlatShadedDoubleSide=e.map(t=>{let i=this.cloneMaterial(t);return i.uniforms=Object.assign({},r.uniforms),i.flatShading=!0,i.side=Nt,i})}}render(r,e,t){let i=r.shadowMap.enabled;if(r.shadowMap.enabled=!1,wf){let n=this.originalMaterials;this.meshCount=0,e.traverse(this.replaceMaterial),r.render(e,t);for(let s of n)s[0].material=s[1];this.meshCount!==n.size&&n.clear()}else{let n=e.overrideMaterial;e.overrideMaterial=this.material,r.render(e,t),e.overrideMaterial=n}r.shadowMap.enabled=i}disposeMaterials(){if(this.material!==null){let r=this.materials.concat(this.materialsBackSide).concat(this.materialsDoubleSide).concat(this.materialsFlatShaded).concat(this.materialsFlatShadedBackSide).concat(this.materialsFlatShadedDoubleSide);for(let e of r)e.dispose()}}dispose(){this.originalMaterials.clear(),this.disposeMaterials()}static get workaroundEnabled(){return wf}static set workaroundEnabled(r){wf=r}};var ar=-1,vn=class extends Wt{constructor(r,e=ar,t=ar,i=1){super();this.resizable=r,this.baseSize=new z(1,1),this.preferredSize=new z(e,t),this.target=this.preferredSize,this.s=i,this.effectiveSize=new z,this.addEventListener("change",()=>this.updateEffectiveSize()),this.updateEffectiveSize()}updateEffectiveSize(){let r=this.baseSize,e=this.preferredSize,t=this.effectiveSize,i=this.scale;e.width!==ar?t.width=e.width:e.height!==ar?t.width=Math.round(e.height*(r.width/Math.max(r.height,1))):t.width=Math.round(r.width*i),e.height!==ar?t.height=e.height:e.width!==ar?t.height=Math.round(e.width/Math.max(r.width/Math.max(r.height,1),1)):t.height=Math.round(r.height*i)}get width(){return this.effectiveSize.width}set width(r){this.preferredWidth=r}get height(){return this.effectiveSize.height}set height(r){this.preferredHeight=r}getWidth(){return this.width}getHeight(){return this.height}get scale(){return this.s}set scale(r){this.s!==r&&(this.s=r,this.preferredSize.setScalar(ar),this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getScale(){return this.scale}setScale(r){this.scale=r}get baseWidth(){return this.baseSize.width}set baseWidth(r){this.baseSize.width!==r&&(this.baseSize.width=r,this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getBaseWidth(){return this.baseWidth}setBaseWidth(r){this.baseWidth=r}get baseHeight(){return this.baseSize.height}set baseHeight(r){this.baseSize.height!==r&&(this.baseSize.height=r,this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getBaseHeight(){return this.baseHeight}setBaseHeight(r){this.baseHeight=r}setBaseSize(r,e){(this.baseSize.width!==r||this.baseSize.height!==e)&&(this.baseSize.set(r,e),this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}get preferredWidth(){return this.preferredSize.width}set preferredWidth(r){this.preferredSize.width!==r&&(this.preferredSize.width=r,this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getPreferredWidth(){return this.preferredWidth}setPreferredWidth(r){this.preferredWidth=r}get preferredHeight(){return this.preferredSize.height}set preferredHeight(r){this.preferredSize.height!==r&&(this.preferredSize.height=r,this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getPreferredHeight(){return this.preferredHeight}setPreferredHeight(r){this.preferredHeight=r}setPreferredSize(r,e){(this.preferredSize.width!==r||this.preferredSize.height!==e)&&(this.preferredSize.set(r,e),this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}copy(r){this.s=r.scale,this.baseSize.set(r.baseWidth,r.baseHeight),this.preferredSize.set(r.preferredWidth,r.preferredHeight),this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height)}static get AUTO_SIZE(){return ar}};var $e={SKIP:9,SET:30,ADD:0,ALPHA:1,AVERAGE:2,COLOR:3,COLOR_BURN:4,COLOR_DODGE:5,DARKEN:6,DIFFERENCE:7,DIVIDE:8,DST:9,EXCLUSION:10,HARD_LIGHT:11,HARD_MIX:12,HUE:13,INVERT:14,INVERT_RGB:15,LIGHTEN:16,LINEAR_BURN:17,LINEAR_DODGE:18,LINEAR_LIGHT:19,LUMINOSITY:20,MULTIPLY:21,NEGATION:22,NORMAL:23,OVERLAY:24,PIN_LIGHT:25,REFLECT:26,SATURATION:27,SCREEN:28,SOFT_LIGHT:29,SRC:30,SUBTRACT:31,VIVID_LIGHT:32},kE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x+y,opacity);}",GE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y,min(y.a,opacity));}",VE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,(x+y)*0.5,opacity);}",WE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(yHSL.rg,xHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}",XE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(step(0.0,y)*(1.0-min(vec4(1.0),(1.0-x)/y)),vec4(1.0),step(1.0,x));return mix(x,z,opacity);}",YE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=step(0.0,x)*mix(min(vec4(1.0),x/max(1.0-y,1e-9)),vec4(1.0),step(1.0,y));return mix(x,z,opacity);}",jE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,min(x,y),opacity);}",qE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,abs(x-y),opacity);}",ZE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x/max(y,1e-12),opacity);}",QE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,(x+y-2.0*x*y),opacity);}",KE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 a=min(x,1.0),b=min(y,1.0);vec4 z=mix(2.0*a*b,1.0-2.0*(1.0-a)*(1.0-b),step(0.5,y));return mix(x,z,opacity);}",JE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,step(1.0,x+y),opacity);}",$E="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(yHSL.r,xHSL.gb));return vec4(mix(x.rgb,z,opacity),y.a);}",eM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,1.0-y,opacity);}",tM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y*(1.0-x),opacity);}",iM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,max(x,y),opacity);}",nM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,clamp(y+x-1.0,0.0,1.0),opacity);}",rM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,min(x+y,1.0),opacity);}",sM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,clamp(2.0*y+x-1.0,0.0,1.0),opacity);}",aM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(xHSL.rg,yHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}",oM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x*y,opacity);}",lM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,1.0-abs(1.0-x-y),opacity);}",cM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y,opacity);}",hM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(2.0*y*x,1.0-2.0*(1.0-y)*(1.0-x),step(0.5,x));return mix(x,z,opacity);}",uM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 y2=2.0*y;vec4 z=mix(mix(y2,x,step(0.5*x,y)),max(vec4(0.0),y2-1.0),step(x,(y2-1.0)));return mix(x,z,opacity);}",dM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(min(x*x/max(1.0-y,1e-12),1.0),y,step(1.0,y));return mix(x,z,opacity);}",fM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(xHSL.r,yHSL.g,xHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}",pM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x+y-min(x*y,1.0),opacity);}",mM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 y2=2.0*y;vec4 w=step(0.5,y);vec4 z=mix(x-(1.0-y2)*x*(1.0-x),mix(x+(y2-1.0)*(sqrt(x)-x),x+(y2-1.0)*x*((16.0*x-12.0)*x+3.0),w*(1.0-step(0.25,x))),w);return mix(x,z,opacity);}",gM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return y;}",vM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,max(x+y-1.0,0.0),opacity);}",xM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(max(1.0-min((1.0-x)/(2.0*y),1.0),0.0),min(x/(2.0*(1.0-y)),1.0),step(0.5,y));return mix(x,z,opacity);}",_M=new Map([[$e.ADD,kE],[$e.ALPHA,GE],[$e.AVERAGE,VE],[$e.COLOR,WE],[$e.COLOR_BURN,XE],[$e.COLOR_DODGE,YE],[$e.DARKEN,jE],[$e.DIFFERENCE,qE],[$e.DIVIDE,ZE],[$e.DST,null],[$e.EXCLUSION,QE],[$e.HARD_LIGHT,KE],[$e.HARD_MIX,JE],[$e.HUE,$E],[$e.INVERT,eM],[$e.INVERT_RGB,tM],[$e.LIGHTEN,iM],[$e.LINEAR_BURN,nM],[$e.LINEAR_DODGE,rM],[$e.LINEAR_LIGHT,sM],[$e.LUMINOSITY,aM],[$e.MULTIPLY,oM],[$e.NEGATION,lM],[$e.NORMAL,cM],[$e.OVERLAY,hM],[$e.PIN_LIGHT,uM],[$e.REFLECT,dM],[$e.SATURATION,fM],[$e.SCREEN,pM],[$e.SOFT_LIGHT,mM],[$e.SRC,gM],[$e.SUBTRACT,vM],[$e.VIVID_LIGHT,xM]]),yM=class extends Wt{constructor(r,e=1){super();this._blendFunction=r,this.opacity=new Ze(e)}getOpacity(){return this.opacity.value}setOpacity(r){this.opacity.value=r}get blendFunction(){return this._blendFunction}set blendFunction(r){this._blendFunction=r,this.dispatchEvent({type:"change"})}getBlendFunction(){return this.blendFunction}setBlendFunction(r){this.blendFunction=r}getShaderCode(){return _M.get(this.blendFunction)}},Cf={VERY_SMALL:0,SMALL:1,MEDIUM:2,LARGE:3,VERY_LARGE:4,HUGE:5},AM=`#ifdef FRAMEBUFFER_PRECISION_HIGH uniform mediump sampler2D inputBuffer; #else uniform lowp sampler2D inputBuffer; #endif varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec4 sum=texture2D(inputBuffer,vUv0);sum+=texture2D(inputBuffer,vUv1);sum+=texture2D(inputBuffer,vUv2);sum+=texture2D(inputBuffer,vUv3);gl_FragColor=sum*0.25; -#include -}`,zb="uniform vec4 texelSize;uniform float kernel;uniform float scale;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 uv=position.xy*0.5+0.5;vec2 dUv=(texelSize.xy*vec2(kernel)+texelSize.zw)*scale;vUv0=vec2(uv.x-dUv.x,uv.y+dUv.y);vUv1=vec2(uv.x+dUv.x,uv.y+dUv.y);vUv2=vec2(uv.x+dUv.x,uv.y-dUv.y);vUv3=vec2(uv.x-dUv.x,uv.y-dUv.y);gl_Position=vec4(position.xy,1.0,1.0);}",Gb=[new Float32Array([0,0]),new Float32Array([0,1,1]),new Float32Array([0,1,1,2]),new Float32Array([0,1,2,2,3]),new Float32Array([0,1,2,3,4,4,5]),new Float32Array([0,1,2,3,4,5,7,8,9,10])],kb=class extends Ye{constructor(r=new Ve){super({name:"KawaseBlurMaterial",uniforms:{inputBuffer:new De(null),texelSize:new De(new Ve),scale:new De(1),kernel:new De(0)},blending:xt,depthWrite:!1,depthTest:!1,fragmentShader:Hb,vertexShader:zb});this.toneMapped=!1,this.setTexelSize(r.x,r.y),this.kernelSize=vu.MEDIUM}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setInputBuffer(r){this.inputBuffer=r}get kernelSequence(){return Gb[this.kernelSize]}get scale(){return this.uniforms.scale.value}set scale(r){this.uniforms.scale.value=r}getScale(){return this.uniforms.scale.value}setScale(r){this.uniforms.scale.value=r}getKernel(){return null}get kernel(){return this.uniforms.kernel.value}set kernel(r){this.uniforms.kernel.value=r}setKernel(r){this.kernel=r}setTexelSize(r,e){this.uniforms.texelSize.value.set(r,e,r*.5,e*.5)}setSize(r,e){let t=1/r,n=1/e;this.uniforms.texelSize.value.set(t,n,t*.5,n*.5)}},Vb=`#include -#include +#include +}`,SM="uniform vec4 texelSize;uniform float kernel;uniform float scale;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 uv=position.xy*0.5+0.5;vec2 dUv=(texelSize.xy*vec2(kernel)+texelSize.zw)*scale;vUv0=vec2(uv.x-dUv.x,uv.y+dUv.y);vUv1=vec2(uv.x+dUv.x,uv.y+dUv.y);vUv2=vec2(uv.x+dUv.x,uv.y-dUv.y);vUv3=vec2(uv.x-dUv.x,uv.y-dUv.y);gl_Position=vec4(position.xy,1.0,1.0);}",EM=[new Float32Array([0,0]),new Float32Array([0,1,1]),new Float32Array([0,1,1,2]),new Float32Array([0,1,2,2,3]),new Float32Array([0,1,2,3,4,4,5]),new Float32Array([0,1,2,3,4,5,7,8,9,10])],MM=class extends Ke{constructor(r=new Qe){super({name:"KawaseBlurMaterial",uniforms:{inputBuffer:new Ze(null),texelSize:new Ze(new Qe),scale:new Ze(1),kernel:new Ze(0)},blending:Dt,toneMapped:!1,depthWrite:!1,depthTest:!1,fragmentShader:AM,vertexShader:SM});this.setTexelSize(r.x,r.y),this.kernelSize=Cf.MEDIUM}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setInputBuffer(r){this.inputBuffer=r}get kernelSequence(){return EM[this.kernelSize]}get scale(){return this.uniforms.scale.value}set scale(r){this.uniforms.scale.value=r}getScale(){return this.uniforms.scale.value}setScale(r){this.uniforms.scale.value=r}getKernel(){return null}get kernel(){return this.uniforms.kernel.value}set kernel(r){this.uniforms.kernel.value=r}setKernel(r){this.kernel=r}setTexelSize(r,e){this.uniforms.texelSize.value.set(r,e,r*.5,e*.5)}setSize(r,e){let t=1/r,i=1/e;this.uniforms.texelSize.value.set(t,i,t*.5,i*.5)}},bM=class extends nn{constructor({kernelSize:r=Cf.MEDIUM,resolutionScale:e=.5,width:t=vn.AUTO_SIZE,height:i=vn.AUTO_SIZE,resolutionX:n=t,resolutionY:s=i}={}){super("KawaseBlurPass");this.renderTargetA=new mt(1,1,{depthBuffer:!1}),this.renderTargetA.texture.name="Blur.Target.A",this.renderTargetB=this.renderTargetA.clone(),this.renderTargetB.texture.name="Blur.Target.B";let a=this.resolution=new vn(this,n,s,e);a.addEventListener("change",o=>this.setSize(a.baseWidth,a.baseHeight)),this._blurMaterial=new MM,this._blurMaterial.kernelSize=r,this.copyMaterial=new tv}getResolution(){return this.resolution}get blurMaterial(){return this._blurMaterial}set blurMaterial(r){this._blurMaterial=r}get dithering(){return this.copyMaterial.dithering}set dithering(r){this.copyMaterial.dithering=r}get kernelSize(){return this.blurMaterial.kernelSize}set kernelSize(r){this.blurMaterial.kernelSize=r}get width(){return this.resolution.width}set width(r){this.resolution.preferredWidth=r}get height(){return this.resolution.height}set height(r){this.resolution.preferredHeight=r}get scale(){return this.blurMaterial.scale}set scale(r){this.blurMaterial.scale=r}getScale(){return this.blurMaterial.scale}setScale(r){this.blurMaterial.scale=r}getKernelSize(){return this.kernelSize}setKernelSize(r){this.kernelSize=r}getResolutionScale(){return this.resolution.scale}setResolutionScale(r){this.resolution.scale=r}render(r,e,t,i,n){let s=this.scene,a=this.camera,o=this.renderTargetA,l=this.renderTargetB,c=this.blurMaterial,h=c.kernelSequence,u=e;this.fullscreenMaterial=c;for(let d=0,f=h.length;d #ifdef FRAMEBUFFER_PRECISION_HIGH uniform mediump sampler2D inputBuffer; #else uniform lowp sampler2D inputBuffer; #endif -uniform float opacity;varying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);gl_FragColor=opacity*texel; -#include -#include -}`,Gp=class extends Ye{constructor(){super({name:"CopyMaterial",uniforms:{inputBuffer:new De(null),opacity:new De(1)},blending:xt,depthWrite:!1,depthTest:!1,fragmentShader:Vb,vertexShader:zp});this.toneMapped=!1}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setInputBuffer(r){this.uniforms.inputBuffer.value=r}getOpacity(r){return this.uniforms.opacity.value}setOpacity(r){this.uniforms.opacity.value=r}};var Wb=`#ifdef FRAMEBUFFER_PRECISION_HIGH +#ifdef RANGE +uniform vec2 range; +#elif defined(THRESHOLD) +uniform float threshold;uniform float smoothing; +#endif +varying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);float l=luminance(texel.rgb); +#ifdef RANGE +float low=step(range.x,l);float high=step(l,range.y);l*=low*high; +#elif defined(THRESHOLD) +l=smoothstep(threshold,threshold+smoothing,l)*l; +#endif +#ifdef COLOR +gl_FragColor=vec4(texel.rgb*clamp(l,0.0,1.0),l); +#else +gl_FragColor=vec4(l); +#endif +}`,wM=class extends Ke{constructor(r=!1,e=null){super({name:"LuminanceMaterial",defines:{THREE_REVISION:ji.replace(/\D+/g,"")},uniforms:{inputBuffer:new Ze(null),threshold:new Ze(0),smoothing:new Ze(1),range:new Ze(null)},blending:Dt,toneMapped:!1,depthWrite:!1,depthTest:!1,fragmentShader:TM,vertexShader:ev});this.colorOutput=r,this.luminanceRange=e}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setInputBuffer(r){this.uniforms.inputBuffer.value=r}get threshold(){return this.uniforms.threshold.value}set threshold(r){this.smoothing>0||r>0?this.defines.THRESHOLD="1":delete this.defines.THRESHOLD,this.uniforms.threshold.value=r}getThreshold(){return this.threshold}setThreshold(r){this.threshold=r}get smoothing(){return this.uniforms.smoothing.value}set smoothing(r){this.threshold>0||r>0?this.defines.THRESHOLD="1":delete this.defines.THRESHOLD,this.uniforms.smoothing.value=r}getSmoothingFactor(){return this.smoothing}setSmoothingFactor(r){this.smoothing=r}get useThreshold(){return this.threshold>0||this.smoothing>0}set useThreshold(r){}get colorOutput(){return this.defines.COLOR!==void 0}set colorOutput(r){r?this.defines.COLOR="1":delete this.defines.COLOR,this.needsUpdate=!0}isColorOutputEnabled(r){return this.colorOutput}setColorOutputEnabled(r){this.colorOutput=r}get useRange(){return this.luminanceRange!==null}set useRange(r){this.luminanceRange=null}get luminanceRange(){return this.uniforms.range.value}set luminanceRange(r){r!==null?this.defines.RANGE="1":delete this.defines.RANGE,this.uniforms.range.value=r,this.needsUpdate=!0}getLuminanceRange(){return this.luminanceRange}setLuminanceRange(r){this.luminanceRange=r}},CM=class extends nn{constructor({renderTarget:r,luminanceRange:e,colorOutput:t,resolutionScale:i=1,width:n=vn.AUTO_SIZE,height:s=vn.AUTO_SIZE,resolutionX:a=n,resolutionY:o=s}={}){super("LuminancePass");this.fullscreenMaterial=new wM(t,e),this.needsSwap=!1,this.renderTarget=r,this.renderTarget===void 0&&(this.renderTarget=new mt(1,1,{depthBuffer:!1}),this.renderTarget.texture.name="LuminancePass.Target");let l=this.resolution=new vn(this,a,o,i);l.addEventListener("change",c=>this.setSize(l.baseWidth,l.baseHeight))}get texture(){return this.renderTarget.texture}getTexture(){return this.renderTarget.texture}getResolution(){return this.resolution}render(r,e,t,i,n){let s=this.fullscreenMaterial;s.inputBuffer=e.texture,r.setRenderTarget(this.renderToScreen?null:this.renderTarget),r.render(this.scene,this.camera)}setSize(r,e){let t=this.resolution;t.setBaseSize(r,e),this.renderTarget.setSize(t.width,t.height)}initialize(r,e,t){t!==void 0&&t!==bt&&(this.renderTarget.texture.type=t,this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH="1")}},RM=`#ifdef FRAMEBUFFER_PRECISION_HIGH uniform mediump sampler2D inputBuffer; #else uniform lowp sampler2D inputBuffer; @@ -3153,8 +3863,20 @@ uniform lowp sampler2D inputBuffer; #define WEIGHT_INNER 0.125 #define WEIGHT_OUTER 0.0555555 varying vec2 vUv;varying vec2 vUv00;varying vec2 vUv01;varying vec2 vUv02;varying vec2 vUv03;varying vec2 vUv04;varying vec2 vUv05;varying vec2 vUv06;varying vec2 vUv07;varying vec2 vUv08;varying vec2 vUv09;varying vec2 vUv10;varying vec2 vUv11;float clampToBorder(const in vec2 uv){return float(uv.s>=0.0&&uv.s<=1.0&&uv.t>=0.0&&uv.t<=1.0);}void main(){vec4 c=vec4(0.0);vec4 w=WEIGHT_INNER*vec4(clampToBorder(vUv00),clampToBorder(vUv01),clampToBorder(vUv02),clampToBorder(vUv03));c+=w.x*texture2D(inputBuffer,vUv00);c+=w.y*texture2D(inputBuffer,vUv01);c+=w.z*texture2D(inputBuffer,vUv02);c+=w.w*texture2D(inputBuffer,vUv03);w=WEIGHT_OUTER*vec4(clampToBorder(vUv04),clampToBorder(vUv05),clampToBorder(vUv06),clampToBorder(vUv07));c+=w.x*texture2D(inputBuffer,vUv04);c+=w.y*texture2D(inputBuffer,vUv05);c+=w.z*texture2D(inputBuffer,vUv06);c+=w.w*texture2D(inputBuffer,vUv07);w=WEIGHT_OUTER*vec4(clampToBorder(vUv08),clampToBorder(vUv09),clampToBorder(vUv10),clampToBorder(vUv11));c+=w.x*texture2D(inputBuffer,vUv08);c+=w.y*texture2D(inputBuffer,vUv09);c+=w.z*texture2D(inputBuffer,vUv10);c+=w.w*texture2D(inputBuffer,vUv11);c+=WEIGHT_OUTER*texture2D(inputBuffer,vUv);gl_FragColor=c; -#include -}`,Yb="uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv00;varying vec2 vUv01;varying vec2 vUv02;varying vec2 vUv03;varying vec2 vUv04;varying vec2 vUv05;varying vec2 vUv06;varying vec2 vUv07;varying vec2 vUv08;varying vec2 vUv09;varying vec2 vUv10;varying vec2 vUv11;void main(){vUv=position.xy*0.5+0.5;vUv00=vUv+texelSize*vec2(-1.0,1.0);vUv01=vUv+texelSize*vec2(1.0,1.0);vUv02=vUv+texelSize*vec2(-1.0,-1.0);vUv03=vUv+texelSize*vec2(1.0,-1.0);vUv04=vUv+texelSize*vec2(-2.0,2.0);vUv05=vUv+texelSize*vec2(0.0,2.0);vUv06=vUv+texelSize*vec2(2.0,2.0);vUv07=vUv+texelSize*vec2(-2.0,0.0);vUv08=vUv+texelSize*vec2(2.0,0.0);vUv09=vUv+texelSize*vec2(-2.0,-2.0);vUv10=vUv+texelSize*vec2(0.0,-2.0);vUv11=vUv+texelSize*vec2(2.0,-2.0);gl_Position=vec4(position.xy,1.0,1.0);}",jb=class extends Ye{constructor(){super({name:"DownsamplingMaterial",uniforms:{inputBuffer:new De(null),texelSize:new De(new O)},blending:xt,depthWrite:!1,depthTest:!1,fragmentShader:Wb,vertexShader:Yb});this.toneMapped=!1}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setSize(r,e){this.uniforms.texelSize.value.set(1/r,1/e)}};var Xb=`#include +#include +}`,DM="uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv00;varying vec2 vUv01;varying vec2 vUv02;varying vec2 vUv03;varying vec2 vUv04;varying vec2 vUv05;varying vec2 vUv06;varying vec2 vUv07;varying vec2 vUv08;varying vec2 vUv09;varying vec2 vUv10;varying vec2 vUv11;void main(){vUv=position.xy*0.5+0.5;vUv00=vUv+texelSize*vec2(-1.0,1.0);vUv01=vUv+texelSize*vec2(1.0,1.0);vUv02=vUv+texelSize*vec2(-1.0,-1.0);vUv03=vUv+texelSize*vec2(1.0,-1.0);vUv04=vUv+texelSize*vec2(-2.0,2.0);vUv05=vUv+texelSize*vec2(0.0,2.0);vUv06=vUv+texelSize*vec2(2.0,2.0);vUv07=vUv+texelSize*vec2(-2.0,0.0);vUv08=vUv+texelSize*vec2(2.0,0.0);vUv09=vUv+texelSize*vec2(-2.0,-2.0);vUv10=vUv+texelSize*vec2(0.0,-2.0);vUv11=vUv+texelSize*vec2(2.0,-2.0);gl_Position=vec4(position.xy,1.0,1.0);}",PM=class extends Ke{constructor(){super({name:"DownsamplingMaterial",uniforms:{inputBuffer:new Ze(null),texelSize:new Ze(new z)},blending:Dt,toneMapped:!1,depthWrite:!1,depthTest:!1,fragmentShader:RM,vertexShader:DM})}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setSize(r,e){this.uniforms.texelSize.value.set(1/r,1/e)}},IM=`#ifdef FRAMEBUFFER_PRECISION_HIGH +uniform mediump sampler2D inputBuffer;uniform mediump sampler2D supportBuffer; +#else +uniform lowp sampler2D inputBuffer;uniform lowp sampler2D supportBuffer; +#endif +uniform float radius;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;varying vec2 vUv6;varying vec2 vUv7;void main(){vec4 c=vec4(0.0);c+=texture2D(inputBuffer,vUv0)*0.0625;c+=texture2D(inputBuffer,vUv1)*0.125;c+=texture2D(inputBuffer,vUv2)*0.0625;c+=texture2D(inputBuffer,vUv3)*0.125;c+=texture2D(inputBuffer,vUv)*0.25;c+=texture2D(inputBuffer,vUv4)*0.125;c+=texture2D(inputBuffer,vUv5)*0.0625;c+=texture2D(inputBuffer,vUv6)*0.125;c+=texture2D(inputBuffer,vUv7)*0.0625;vec4 baseColor=texture2D(supportBuffer,vUv);gl_FragColor=mix(baseColor,c,radius); +#include +}`,UM="uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;varying vec2 vUv6;varying vec2 vUv7;void main(){vUv=position.xy*0.5+0.5;vUv0=vUv+texelSize*vec2(-1.0,1.0);vUv1=vUv+texelSize*vec2(0.0,1.0);vUv2=vUv+texelSize*vec2(1.0,1.0);vUv3=vUv+texelSize*vec2(-1.0,0.0);vUv4=vUv+texelSize*vec2(1.0,0.0);vUv5=vUv+texelSize*vec2(-1.0,-1.0);vUv6=vUv+texelSize*vec2(0.0,-1.0);vUv7=vUv+texelSize*vec2(1.0,-1.0);gl_Position=vec4(position.xy,1.0,1.0);}",LM=class extends Ke{constructor(){super({name:"UpsamplingMaterial",uniforms:{inputBuffer:new Ze(null),supportBuffer:new Ze(null),texelSize:new Ze(new z),radius:new Ze(.85)},blending:Dt,toneMapped:!1,depthWrite:!1,depthTest:!1,fragmentShader:IM,vertexShader:UM})}set inputBuffer(r){this.uniforms.inputBuffer.value=r}set supportBuffer(r){this.uniforms.supportBuffer.value=r}get radius(){return this.uniforms.radius.value}set radius(r){this.uniforms.radius.value=r}setSize(r,e){this.uniforms.texelSize.value.set(1/r,1/e)}},BM=class extends nn{constructor(){super("MipmapBlurPass");this.needsSwap=!1,this.renderTarget=new mt(1,1,{depthBuffer:!1}),this.renderTarget.texture.name="Upsampling.Mipmap0",this.downsamplingMipmaps=[],this.upsamplingMipmaps=[],this.downsamplingMaterial=new PM,this.upsamplingMaterial=new LM,this.resolution=new z}get texture(){return this.renderTarget.texture}get levels(){return this.downsamplingMipmaps.length}set levels(r){if(this.levels!==r){let e=this.renderTarget;this.dispose(),this.downsamplingMipmaps=[],this.upsamplingMipmaps=[];for(let t=0;t=0;--d){let f=h[d];l.setSize(u.width,u.height),l.inputBuffer=u.texture,l.supportBuffer=c[d].texture,r.setRenderTarget(f),r.render(s,a),u=f}}setSize(r,e){let t=this.resolution;t.set(r,e);let i=t.width,n=t.height;for(let s=0,a=this.downsamplingMipmaps.length;sthis.setChanged()),this._inputColorSpace=Oi,this._outputColorSpace=di}get inputColorSpace(){return this._inputColorSpace}set inputColorSpace(r){this._inputColorSpace=r,this.setChanged()}get outputColorSpace(){return this._outputColorSpace}set outputColorSpace(r){this._outputColorSpace=r,this.setChanged()}set mainScene(r){}set mainCamera(r){}getName(){return this.name}setRenderer(r){this.renderer=r}getDefines(){return this.defines}getUniforms(){return this.uniforms}getExtensions(){return this.extensions}getBlendMode(){return this.blendMode}getAttributes(){return this.attributes}setAttributes(r){this.attributes=r,this.setChanged()}getFragmentShader(){return this.fragmentShader}setFragmentShader(r){this.fragmentShader=r,this.setChanged()}getVertexShader(){return this.vertexShader}setVertexShader(r){this.vertexShader=r,this.setChanged()}setChanged(){this.dispatchEvent({type:"change"})}setDepthTexture(r,e=Bi){}update(r,e,t){}setSize(r,e){}initialize(r,e,t){}dispose(){for(let r of Object.keys(this)){let e=this[r];(e instanceof mt||e instanceof St||e instanceof pt||e instanceof nn)&&this[r].dispose()}}},NM=`#ifdef FRAMEBUFFER_PRECISION_HIGH +uniform mediump sampler2D map; +#else +uniform lowp sampler2D map; +#endif +uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec4 texel=texture2D(map,uv);outputColor=vec4(texel.rgb*intensity,texel.a);}`,av=class extends OM{constructor({blendFunction:r=$e.SCREEN,luminanceThreshold:e=.9,luminanceSmoothing:t=.025,mipmapBlur:i=!1,intensity:n=1,radius:s=.85,levels:a=8,kernelSize:o=Cf.LARGE,resolutionScale:l=.5,width:c=vn.AUTO_SIZE,height:h=vn.AUTO_SIZE,resolutionX:u=c,resolutionY:d=h}={}){super("BloomEffect",NM,{blendFunction:r,uniforms:new Map([["map",new Ze(null)],["intensity",new Ze(n)]])});this.renderTarget=new mt(1,1,{depthBuffer:!1}),this.renderTarget.texture.name="Bloom.Target",this.blurPass=new bM({kernelSize:o}),this.luminancePass=new CM({colorOutput:!0}),this.luminanceMaterial.threshold=e,this.luminanceMaterial.smoothing=t,this.mipmapBlurPass=new BM,this.mipmapBlurPass.enabled=i,this.mipmapBlurPass.radius=s,this.mipmapBlurPass.levels=a,this.uniforms.get("map").value=i?this.mipmapBlurPass.texture:this.renderTarget.texture;let f=this.resolution=new vn(this,u,d,l);f.addEventListener("change",m=>this.setSize(f.baseWidth,f.baseHeight))}get texture(){return this.mipmapBlurPass.enabled?this.mipmapBlurPass.texture:this.renderTarget.texture}getTexture(){return this.texture}getResolution(){return this.resolution}getBlurPass(){return this.blurPass}getLuminancePass(){return this.luminancePass}get luminanceMaterial(){return this.luminancePass.fullscreenMaterial}getLuminanceMaterial(){return this.luminancePass.fullscreenMaterial}get width(){return this.resolution.width}set width(r){this.resolution.preferredWidth=r}get height(){return this.resolution.height}set height(r){this.resolution.preferredHeight=r}get dithering(){return this.blurPass.dithering}set dithering(r){this.blurPass.dithering=r}get kernelSize(){return this.blurPass.kernelSize}set kernelSize(r){this.blurPass.kernelSize=r}get distinction(){return console.warn(this.name,"distinction was removed"),1}set distinction(r){console.warn(this.name,"distinction was removed")}get intensity(){return this.uniforms.get("intensity").value}set intensity(r){this.uniforms.get("intensity").value=r}getIntensity(){return this.intensity}setIntensity(r){this.intensity=r}getResolutionScale(){return this.resolution.scale}setResolutionScale(r){this.resolution.scale=r}update(r,e,t){let i=this.renderTarget,n=this.luminancePass;n.enabled?(n.render(r,e),this.mipmapBlurPass.enabled?this.mipmapBlurPass.render(r,n.renderTarget):this.blurPass.render(r,n.renderTarget,i)):this.mipmapBlurPass.enabled?this.mipmapBlurPass.render(r,e):this.blurPass.render(r,e,i)}setSize(r,e){let t=this.resolution;t.setBaseSize(r,e),this.renderTarget.setSize(t.width,t.height),this.blurPass.resolution.copy(t),this.luminancePass.setSize(r,e),this.mipmapBlurPass.setSize(r,e)}initialize(r,e,t){this.blurPass.initialize(r,e,t),this.luminancePass.initialize(r,e,t),this.mipmapBlurPass.initialize(r,e,t),t!==void 0&&(this.renderTarget.texture.type=t,r!==null&&r.outputColorSpace===Oe&&(this.renderTarget.texture.colorSpace=Oe))}};var ov=class extends nn{constructor(r,e,t=null){super("RenderPass",r,e);this.needsSwap=!1,this.clearPass=new nv,this.overrideMaterialManager=t===null?null:new sv(t),this.ignoreBackground=!1,this.skipShadowMapUpdate=!1,this.selection=null}set mainScene(r){this.scene=r}set mainCamera(r){this.camera=r}get renderToScreen(){return super.renderToScreen}set renderToScreen(r){super.renderToScreen=r,this.clearPass.renderToScreen=r}get overrideMaterial(){let r=this.overrideMaterialManager;return r!==null?r.material:null}set overrideMaterial(r){let e=this.overrideMaterialManager;r!==null?e!==null?e.setMaterial(r):this.overrideMaterialManager=new sv(r):e!==null&&(e.dispose(),this.overrideMaterialManager=null)}getOverrideMaterial(){return this.overrideMaterial}setOverrideMaterial(r){this.overrideMaterial=r}get clear(){return this.clearPass.enabled}set clear(r){this.clearPass.enabled=r}getSelection(){return this.selection}setSelection(r){this.selection=r}isBackgroundDisabled(){return this.ignoreBackground}setBackgroundDisabled(r){this.ignoreBackground=r}isShadowMapDisabled(){return this.skipShadowMapUpdate}setShadowMapDisabled(r){this.skipShadowMapUpdate=r}getClearPass(){return this.clearPass}render(r,e,t,i,n){let s=this.scene,a=this.camera,o=this.selection,l=a.layers.mask,c=s.background,h=r.shadowMap.autoUpdate,u=this.renderToScreen?null:e;o!==null&&a.layers.set(o.getLayer()),this.skipShadowMapUpdate&&(r.shadowMap.autoUpdate=!1),(this.ignoreBackground||this.clearPass.overrideClearColor!==null)&&(s.background=null),this.clearPass.enabled&&this.clearPass.render(r,e),r.setRenderTarget(u),this.overrideMaterialManager!==null?this.overrideMaterialManager.render(r,s,a):r.render(s,a),a.layers.mask=l,s.background=c,r.shadowMap.autoUpdate=h}};var iT=Math.PI*.5;var FM=`#include #include #include #define packFloatToRGBA(v) packDepthToRGBA(v) @@ -3171,14 +3893,7 @@ uniform highp sampler2D depthBuffer; #else uniform mediump sampler2D depthBuffer; #endif -uniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv; -#if THREE_REVISION < 143 -#define luminance(v) linearToRelativeLuminance(v) -#endif -#if THREE_REVISION >= 137 -vec4 sRGBToLinear(const in vec4 value){return vec4(mix(pow(value.rgb*0.9478672986+vec3(0.0521327014),vec3(2.4)),value.rgb*0.0773993808,vec3(lessThanEqual(value.rgb,vec3(0.04045)))),value.a);} -#endif -float readDepth(const in vec2 uv){ +uniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv;vec4 sRGBToLinear(const in vec4 value){return vec4(mix(pow(value.rgb*0.9478672986+vec3(0.0521327014),vec3(2.4)),value.rgb*0.0773993808,vec3(lessThanEqual(value.rgb,vec3(0.04045)))),value.a);}float readDepth(const in vec2 uv){ #if DEPTH_PACKING == 3201 return unpackRGBAToDepth(texture2D(depthBuffer,uv)); #else @@ -3190,113 +3905,58 @@ return perspectiveDepthToViewZ(depth,cameraNear,cameraFar); #else return orthographicDepthToViewZ(depth,cameraNear,cameraFar); #endif -}vec3 RGBToHCV(const in vec3 RGB){vec4 P=mix(vec4(RGB.bg,-1.0,2.0/3.0),vec4(RGB.gb,0.0,-1.0/3.0),step(RGB.b,RGB.g));vec4 Q=mix(vec4(P.xyw,RGB.r),vec4(RGB.r,P.yzx),step(P.x,RGB.r));float C=Q.x-min(Q.w,Q.y);float H=abs((Q.w-Q.y)/(6.0*C+EPSILON)+Q.z);return vec3(H,C,Q.x);}vec3 RGBToHSL(const in vec3 RGB){vec3 HCV=RGBToHCV(RGB);float L=HCV.z-HCV.y*0.5;float S=HCV.y/(1.0-abs(L*2.0-1.0)+EPSILON);return vec3(HCV.x,S,L);}vec3 HueToRGB(const in float H){float R=abs(H*6.0-3.0)-1.0;float G=2.0-abs(H*6.0-2.0);float B=2.0-abs(H*6.0-4.0);return clamp(vec3(R,G,B),0.0,1.0);}vec3 HSLToRGB(const in vec3 HSL){vec3 RGB=HueToRGB(HSL.x);float C=(1.0-abs(2.0*HSL.z-1.0))*HSL.y;return(RGB-0.5)*C+HSL.z;}FRAGMENT_HEADvoid main(){FRAGMENT_MAIN_UVvec4 color0=texture2D(inputBuffer,UV);vec4 color1=vec4(0.0);FRAGMENT_MAIN_IMAGEgl_FragColor=color0; +}vec3 RGBToHCV(const in vec3 RGB){vec4 P=mix(vec4(RGB.bg,-1.0,2.0/3.0),vec4(RGB.gb,0.0,-1.0/3.0),step(RGB.b,RGB.g));vec4 Q=mix(vec4(P.xyw,RGB.r),vec4(RGB.r,P.yzx),step(P.x,RGB.r));float C=Q.x-min(Q.w,Q.y);float H=abs((Q.w-Q.y)/(6.0*C+EPSILON)+Q.z);return vec3(H,C,Q.x);}vec3 RGBToHSL(const in vec3 RGB){vec3 HCV=RGBToHCV(RGB);float L=HCV.z-HCV.y*0.5;float S=HCV.y/(1.0-abs(L*2.0-1.0)+EPSILON);return vec3(HCV.x,S,L);}vec3 HueToRGB(const in float H){float R=abs(H*6.0-3.0)-1.0;float G=2.0-abs(H*6.0-2.0);float B=2.0-abs(H*6.0-4.0);return clamp(vec3(R,G,B),0.0,1.0);}vec3 HSLToRGB(const in vec3 HSL){vec3 RGB=HueToRGB(HSL.x);float C=(1.0-abs(2.0*HSL.z-1.0))*HSL.y;return(RGB-0.5)*C+HSL.z;}FRAGMENT_HEAD void main(){FRAGMENT_MAIN_UV vec4 color0=texture2D(inputBuffer,UV);vec4 color1=vec4(0.0);FRAGMENT_MAIN_IMAGE color0.a=clamp(color0.a,0.0,1.0);gl_FragColor=color0; #ifdef ENCODE_OUTPUT -#include +#include #endif #include -}`,Qb="uniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv;VERTEX_HEADvoid main(){vUv=position.xy*0.5+0.5;VERTEX_MAIN_SUPPORTgl_Position=vec4(position.xy,1.0,1.0);}",qb=class extends Ye{constructor(r,e,t,n,i=!1){super({name:"EffectMaterial",defines:{THREE_REVISION:bn.replace(/\D+/g,""),DEPTH_PACKING:"0",ENCODE_OUTPUT:"1"},uniforms:{inputBuffer:new De(null),depthBuffer:new De(null),resolution:new De(new O),texelSize:new De(new O),cameraNear:new De(.3),cameraFar:new De(1e3),aspect:new De(1),time:new De(0)},blending:xt,depthWrite:!1,depthTest:!1,dithering:i});this.toneMapped=!1,r&&this.setShaderParts(r),e&&this.setDefines(e),t&&this.setUniforms(t),this.copyCameraSettings(n)}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setInputBuffer(r){this.uniforms.inputBuffer.value=r}get depthBuffer(){return this.uniforms.depthBuffer.value}set depthBuffer(r){this.uniforms.depthBuffer.value=r}get depthPacking(){return Number(this.defines.DEPTH_PACKING)}set depthPacking(r){this.defines.DEPTH_PACKING=r.toFixed(0),this.needsUpdate=!0}setDepthBuffer(r,e=cn){this.depthBuffer=r,this.depthPacking=e}setShaderData(r){this.setShaderParts(r.shaderParts),this.setDefines(r.defines),this.setUniforms(r.uniforms),this.setExtensions(r.extensions)}setShaderParts(r){var e,t,n,i,s;return this.fragmentShader=Xb.replace(je.FRAGMENT_HEAD,(e=r.get(je.FRAGMENT_HEAD))!=null?e:"").replace(je.FRAGMENT_MAIN_UV,(t=r.get(je.FRAGMENT_MAIN_UV))!=null?t:"").replace(je.FRAGMENT_MAIN_IMAGE,(n=r.get(je.FRAGMENT_MAIN_IMAGE))!=null?n:""),this.vertexShader=Qb.replace(je.VERTEX_HEAD,(i=r.get(je.VERTEX_HEAD))!=null?i:"").replace(je.VERTEX_MAIN_SUPPORT,(s=r.get(je.VERTEX_MAIN_SUPPORT))!=null?s:""),this.needsUpdate=!0,this}setDefines(r){for(let e of r.entries())this.defines[e[0]]=e[1];return this.needsUpdate=!0,this}setUniforms(r){for(let e of r.entries())this.uniforms[e[0]]=e[1];return this}setExtensions(r){this.extensions={};for(let e of r)this.extensions[e]=!0;return this}get encodeOutput(){return this.defines.ENCODE_OUTPUT!==void 0}set encodeOutput(r){this.encodeOutput!==r&&(r?this.defines.ENCODE_OUTPUT="1":delete this.defines.ENCODE_OUTPUT,this.needsUpdate=!0)}isOutputEncodingEnabled(r){return this.encodeOutput}setOutputEncodingEnabled(r){this.encodeOutput=r}get time(){return this.uniforms.time.value}set time(r){this.uniforms.time.value=r}setDeltaTime(r){this.uniforms.time.value+=r}adoptCameraSettings(r){this.copyCameraSettings(r)}copyCameraSettings(r){r&&(this.uniforms.cameraNear.value=r.near,this.uniforms.cameraFar.value=r.far,r instanceof ct?this.defines.PERSPECTIVE_CAMERA="1":delete this.defines.PERSPECTIVE_CAMERA,this.needsUpdate=!0)}setSize(r,e){let t=this.uniforms;t.resolution.value.set(r,e),t.texelSize.value.set(1/r,1/e),t.aspect.value=r/e}static get Section(){return je}};var Zb=`#include -#if THREE_REVISION < 143 -#define luminance(v) linearToRelativeLuminance(v) -#endif -#ifdef FRAMEBUFFER_PRECISION_HIGH -uniform mediump sampler2D inputBuffer; -#else -uniform lowp sampler2D inputBuffer; -#endif -#ifdef RANGE -uniform vec2 range; -#elif defined(THRESHOLD) -uniform float threshold;uniform float smoothing; -#endif -varying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);float l=luminance(texel.rgb); -#ifdef RANGE -float low=step(range.x,l);float high=step(l,range.y);l*=low*high; -#elif defined(THRESHOLD) -l=smoothstep(threshold,threshold+smoothing,l); -#endif -#ifdef COLOR -gl_FragColor=vec4(texel.rgb*l,l); -#else -gl_FragColor=vec4(l); -#endif -}`,Jb=class extends Ye{constructor(r=!1,e=null){super({name:"LuminanceMaterial",defines:{THREE_REVISION:bn.replace(/\D+/g,"")},uniforms:{inputBuffer:new De(null),threshold:new De(0),smoothing:new De(1),range:new De(null)},blending:xt,depthWrite:!1,depthTest:!1,fragmentShader:Zb,vertexShader:zp});this.toneMapped=!1,this.colorOutput=r,this.luminanceRange=e}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setInputBuffer(r){this.uniforms.inputBuffer.value=r}get threshold(){return this.uniforms.threshold.value}set threshold(r){this.smoothing>0||r>0?this.defines.THRESHOLD="1":delete this.defines.THRESHOLD,this.uniforms.threshold.value=r}getThreshold(){return this.threshold}setThreshold(r){this.threshold=r}get smoothing(){return this.uniforms.smoothing.value}set smoothing(r){this.threshold>0||r>0?this.defines.THRESHOLD="1":delete this.defines.THRESHOLD,this.uniforms.smoothing.value=r}getSmoothingFactor(){return this.smoothing}setSmoothingFactor(r){this.smoothing=r}get useThreshold(){return this.threshold>0||this.smoothing>0}set useThreshold(r){}get colorOutput(){return this.defines.COLOR!==void 0}set colorOutput(r){r?this.defines.COLOR="1":delete this.defines.COLOR,this.needsUpdate=!0}isColorOutputEnabled(r){return this.colorOutput}setColorOutputEnabled(r){this.colorOutput=r}get useRange(){return this.luminanceRange!==null}set useRange(r){this.luminanceRange=null}get luminanceRange(){return this.uniforms.range.value}set luminanceRange(r){r!==null?this.defines.RANGE="1":delete this.defines.RANGE,this.uniforms.range.value=r,this.needsUpdate=!0}getLuminanceRange(){return this.luminanceRange}setLuminanceRange(r){this.luminanceRange=r}};var Kb=`#ifdef FRAMEBUFFER_PRECISION_HIGH -uniform mediump sampler2D inputBuffer;uniform mediump sampler2D supportBuffer; -#else -uniform lowp sampler2D inputBuffer;uniform lowp sampler2D supportBuffer; -#endif -uniform float radius;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;varying vec2 vUv6;varying vec2 vUv7;void main(){vec4 c=vec4(0.0);c+=texture2D(inputBuffer,vUv0)*0.0625;c+=texture2D(inputBuffer,vUv1)*0.125;c+=texture2D(inputBuffer,vUv2)*0.0625;c+=texture2D(inputBuffer,vUv3)*0.125;c+=texture2D(inputBuffer,vUv)*0.25;c+=texture2D(inputBuffer,vUv4)*0.125;c+=texture2D(inputBuffer,vUv5)*0.0625;c+=texture2D(inputBuffer,vUv6)*0.125;c+=texture2D(inputBuffer,vUv7)*0.0625;vec4 baseColor=texture2D(supportBuffer,vUv);gl_FragColor=mix(baseColor,c,radius); -#include -}`,$b="uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;varying vec2 vUv6;varying vec2 vUv7;void main(){vUv=position.xy*0.5+0.5;vUv0=vUv+texelSize*vec2(-1.0,1.0);vUv1=vUv+texelSize*vec2(0.0,1.0);vUv2=vUv+texelSize*vec2(1.0,1.0);vUv3=vUv+texelSize*vec2(-1.0,0.0);vUv4=vUv+texelSize*vec2(1.0,0.0);vUv5=vUv+texelSize*vec2(-1.0,-1.0);vUv6=vUv+texelSize*vec2(0.0,-1.0);vUv7=vUv+texelSize*vec2(1.0,-1.0);gl_Position=vec4(position.xy,1.0,1.0);}",eA=class extends Ye{constructor(){super({name:"UpsamplingMaterial",uniforms:{inputBuffer:new De(null),supportBuffer:new De(null),texelSize:new De(new O),radius:new De(.85)},blending:xt,depthWrite:!1,depthTest:!1,fragmentShader:Kb,vertexShader:$b});this.toneMapped=!1}set inputBuffer(r){this.uniforms.inputBuffer.value=r}set supportBuffer(r){this.uniforms.supportBuffer.value=r}get radius(){return this.uniforms.radius.value}set radius(r){this.uniforms.radius.value=r}setSize(r,e){this.uniforms.texelSize.value.set(1/r,1/e)}},tA=new oi,wi=null;function nA(){if(wi===null){let r=new Float32Array([-1,-1,0,3,-1,0,-1,3,0]),e=new Float32Array([0,0,2,0,0,2]);wi=new de,wi.setAttribute!==void 0?(wi.setAttribute("position",new pe(r,3)),wi.setAttribute("uv",new pe(e,2))):(wi.addAttribute("position",new pe(r,3)),wi.addAttribute("uv",new pe(e,2)))}return wi}var wn=class{constructor(r="Pass",e=new mn,t=tA){this.name=r,this.renderer=null,this.scene=e,this.camera=t,this.screen=null,this.rtt=!0,this.needsSwap=!0,this.needsDepthTexture=!1,this.enabled=!0}get renderToScreen(){return!this.rtt}set renderToScreen(r){if(this.rtt===r){let e=this.fullscreenMaterial;e!==null&&(e.needsUpdate=!0),this.rtt=!r}}set mainScene(r){}set mainCamera(r){}setRenderer(r){this.renderer=r}isEnabled(){return this.enabled}setEnabled(r){this.enabled=r}get fullscreenMaterial(){return this.screen!==null?this.screen.material:null}set fullscreenMaterial(r){let e=this.screen;e!==null?e.material=r:(e=new ze(nA(),r),e.frustumCulled=!1,this.scene===null&&(this.scene=new mn),this.scene.add(e),this.screen=e)}getFullscreenMaterial(){return this.fullscreenMaterial}setFullscreenMaterial(r){this.fullscreenMaterial=r}getDepthTexture(){return null}setDepthTexture(r,e=cn){}render(r,e,t,n,i){throw new Error("Render method not implemented!")}setSize(r,e){}initialize(r,e,t){}dispose(){for(let r of Object.keys(this)){let e=this[r];(e instanceof We||e instanceof tt||e instanceof ot||e instanceof wn)&&this[r].dispose()}}},iA=class extends wn{constructor(r,e=!0){super("CopyPass");this.fullscreenMaterial=new Gp,this.needsSwap=!1,this.renderTarget=r,r===void 0&&(this.renderTarget=new We(1,1,{minFilter:et,magFilter:et,stencilBuffer:!1,depthBuffer:!1}),this.renderTarget.texture.name="CopyPass.Target"),this.autoResize=e}get resize(){return this.autoResize}set resize(r){this.autoResize=r}get texture(){return this.renderTarget.texture}getTexture(){return this.renderTarget.texture}setAutoResizeEnabled(r){this.autoResize=r}render(r,e,t,n,i){this.fullscreenMaterial.inputBuffer=e.texture,r.setRenderTarget(this.renderToScreen?null:this.renderTarget),r.render(this.scene,this.camera)}setSize(r,e){this.autoResize&&this.renderTarget.setSize(r,e)}initialize(r,e,t){t!==void 0&&(this.renderTarget.texture.type=t,t!==lt?this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH="1":r.outputEncoding===qe&&(this.renderTarget.texture.encoding=qe))}};var rA=class extends wn{constructor(){super("ClearMaskPass",null,null);this.needsSwap=!1}render(r,e,t,n,i){let s=r.state.buffers.stencil;s.setLocked(!1),s.setTest(!1)}},kp=new $,Vp=class extends wn{constructor(r=!0,e=!0,t=!1){super("ClearPass",null,null);this.needsSwap=!1,this.color=r,this.depth=e,this.stencil=t,this.overrideClearColor=null,this.overrideClearAlpha=-1}setClearFlags(r,e,t){this.color=r,this.depth=e,this.stencil=t}getOverrideClearColor(){return this.overrideClearColor}setOverrideClearColor(r){this.overrideClearColor=r}getOverrideClearAlpha(){return this.overrideClearAlpha}setOverrideClearAlpha(r){this.overrideClearAlpha=r}render(r,e,t,n,i){let s=this.overrideClearColor,a=this.overrideClearAlpha,o=r.getClearAlpha(),l=s!==null,c=a>=0;l?(r.getClearColor(kp),r.setClearColor(s,c?a:o)):c&&r.setClearAlpha(a),r.setRenderTarget(this.renderToScreen?null:e),r.clear(this.color,this.depth,this.stencil),l?r.setClearColor(kp,o):c&&r.setClearAlpha(o)}},bi=-1,Cn=class extends Pt{constructor(r,e=bi,t=bi,n=1){super();this.resizable=r,this.baseSize=new O(1,1),this.preferredSize=new O(e,t),this.target=this.preferredSize,this.s=n,this.effectiveSize=new O,this.addEventListener("change",()=>this.updateEffectiveSize()),this.updateEffectiveSize()}updateEffectiveSize(){let r=this.baseSize,e=this.preferredSize,t=this.effectiveSize,n=this.scale;e.width!==bi?t.width=e.width:e.height!==bi?t.width=Math.round(e.height*(r.width/Math.max(r.height,1))):t.width=Math.round(r.width*n),e.height!==bi?t.height=e.height:e.width!==bi?t.height=Math.round(e.width/Math.max(r.width/Math.max(r.height,1),1)):t.height=Math.round(r.height*n)}get width(){return this.effectiveSize.width}set width(r){this.preferredWidth=r}get height(){return this.effectiveSize.height}set height(r){this.preferredHeight=r}getWidth(){return this.width}getHeight(){return this.height}get scale(){return this.s}set scale(r){this.s!==r&&(this.s=r,this.preferredSize.setScalar(bi),this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getScale(){return this.scale}setScale(r){this.scale=r}get baseWidth(){return this.baseSize.width}set baseWidth(r){this.baseSize.width!==r&&(this.baseSize.width=r,this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getBaseWidth(){return this.baseWidth}setBaseWidth(r){this.baseWidth=r}get baseHeight(){return this.baseSize.height}set baseHeight(r){this.baseSize.height!==r&&(this.baseSize.height=r,this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getBaseHeight(){return this.baseHeight}setBaseHeight(r){this.baseHeight=r}setBaseSize(r,e){(this.baseSize.width!==r||this.baseSize.height!==e)&&(this.baseSize.set(r,e),this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}get preferredWidth(){return this.preferredSize.width}set preferredWidth(r){this.preferredSize.width!==r&&(this.preferredSize.width=r,this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getPreferredWidth(){return this.preferredWidth}setPreferredWidth(r){this.preferredWidth=r}get preferredHeight(){return this.preferredSize.height}set preferredHeight(r){this.preferredSize.height!==r&&(this.preferredSize.height=r,this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getPreferredHeight(){return this.preferredHeight}setPreferredHeight(r){this.preferredHeight=r}setPreferredSize(r,e){(this.preferredSize.width!==r||this.preferredSize.height!==e)&&(this.preferredSize.set(r,e),this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}copy(r){this.s=r.scale,this.baseSize.set(r.baseWidth,r.baseHeight),this.preferredSize.set(r.preferredWidth,r.preferredHeight),this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height)}static get AUTO_SIZE(){return bi}},xu=!1,Wp=class{constructor(r=null){this.originalMaterials=new Map,this.material=null,this.materials=null,this.materialsBackSide=null,this.materialsDoubleSide=null,this.materialsFlatShaded=null,this.materialsFlatShadedBackSide=null,this.materialsFlatShadedDoubleSide=null,this.setMaterial(r),this.meshCount=0,this.replaceMaterial=e=>{if(e.isMesh){let t;if(e.material.flatShading)switch(e.material.side){case Ht:t=this.materialsFlatShadedDoubleSide;break;case Qe:t=this.materialsFlatShadedBackSide;break;default:t=this.materialsFlatShaded;break}else switch(e.material.side){case Ht:t=this.materialsDoubleSide;break;case Qe:t=this.materialsBackSide;break;default:t=this.materials;break}this.originalMaterials.set(e,e.material),e.isSkinnedMesh?e.material=t[2]:e.isInstancedMesh?e.material=t[1]:e.material=t[0],++this.meshCount}}}setMaterial(r){if(this.disposeMaterials(),this.material=r,r!==null){let e=this.materials=[r.clone(),r.clone(),r.clone()];for(let t of e)t.uniforms=Object.assign({},r.uniforms),t.side=Rn;e[2].skinning=!0,this.materialsBackSide=e.map(t=>{let n=t.clone();return n.uniforms=Object.assign({},r.uniforms),n.side=Qe,n}),this.materialsDoubleSide=e.map(t=>{let n=t.clone();return n.uniforms=Object.assign({},r.uniforms),n.side=Ht,n}),this.materialsFlatShaded=e.map(t=>{let n=t.clone();return n.uniforms=Object.assign({},r.uniforms),n.flatShading=!0,n}),this.materialsFlatShadedBackSide=e.map(t=>{let n=t.clone();return n.uniforms=Object.assign({},r.uniforms),n.flatShading=!0,n.side=Qe,n}),this.materialsFlatShadedDoubleSide=e.map(t=>{let n=t.clone();return n.uniforms=Object.assign({},r.uniforms),n.flatShading=!0,n.side=Ht,n})}}render(r,e,t){let n=r.shadowMap.enabled;if(r.shadowMap.enabled=!1,xu){let i=this.originalMaterials;this.meshCount=0,e.traverse(this.replaceMaterial),r.render(e,t);for(let s of i)s[0].material=s[1];this.meshCount!==i.size&&i.clear()}else{let i=e.overrideMaterial;e.overrideMaterial=this.material,r.render(e,t),e.overrideMaterial=i}r.shadowMap.enabled=n}disposeMaterials(){if(this.material!==null){let r=this.materials.concat(this.materialsBackSide).concat(this.materialsDoubleSide).concat(this.materialsFlatShaded).concat(this.materialsFlatShadedBackSide).concat(this.materialsFlatShadedDoubleSide);for(let e of r)e.dispose()}}dispose(){this.originalMaterials.clear(),this.disposeMaterials()}static get workaroundEnabled(){return xu}static set workaroundEnabled(r){xu=r}},Yp=class extends wn{constructor(r,e,t=null){super("RenderPass",r,e);this.needsSwap=!1,this.clearPass=new Vp,this.overrideMaterialManager=t===null?null:new Wp(t),this.ignoreBackground=!1,this.skipShadowMapUpdate=!1,this.selection=null}set mainScene(r){this.scene=r}set mainCamera(r){this.camera=r}get renderToScreen(){return super.renderToScreen}set renderToScreen(r){super.renderToScreen=r,this.clearPass.renderToScreen=r}get overrideMaterial(){let r=this.overrideMaterialManager;return r!==null?r.material:null}set overrideMaterial(r){let e=this.overrideMaterialManager;r!==null?e!==null?e.setMaterial(r):this.overrideMaterialManager=new Wp(r):e!==null&&(e.dispose(),this.overrideMaterialManager=null)}getOverrideMaterial(){return this.overrideMaterial}setOverrideMaterial(r){this.overrideMaterial=r}get clear(){return this.clearPass.enabled}set clear(r){this.clearPass.enabled=r}getSelection(){return this.selection}setSelection(r){this.selection=r}isBackgroundDisabled(){return this.ignoreBackground}setBackgroundDisabled(r){this.ignoreBackground=r}isShadowMapDisabled(){return this.skipShadowMapUpdate}setShadowMapDisabled(r){this.skipShadowMapUpdate=r}getClearPass(){return this.clearPass}render(r,e,t,n,i){let s=this.scene,a=this.camera,o=this.selection,l=a.layers.mask,c=s.background,u=r.shadowMap.autoUpdate,h=this.renderToScreen?null:e;o!==null&&a.layers.set(o.getLayer()),this.skipShadowMapUpdate&&(r.shadowMap.autoUpdate=!1),(this.ignoreBackground||this.clearPass.overrideClearColor!==null)&&(s.background=null),this.clearPass.enabled&&this.clearPass.render(r,e),r.setRenderTarget(h),this.overrideMaterialManager!==null?this.overrideMaterialManager.render(r,s,a):r.render(s,a),a.layers.mask=l,s.background=c,r.shadowMap.autoUpdate=u}};var eM=new Float32Array([255/256/Qn(256,3),255/256/Qn(256,2),255/256/256,255/256]);function jp(r,e,t){for(let n of e){let i="$1"+r+n.charAt(0).toUpperCase()+n.slice(1),s=new RegExp("([^\\.])(\\b"+n+"\\b)","g");for(let a of t.entries())a[1]!==null&&t.set(a[0],a[1].replace(s,i))}}function sA(r,e,t){var n,i,s,a,o;let l=e.getFragmentShader(),c=e.getVertexShader(),u=l!==void 0&&/mainImage/.test(l),h=l!==void 0&&/mainUv/.test(l);if(t.attributes|=e.getAttributes(),l===void 0)throw new Error(`Missing fragment shader (${e.name})`);if(h&&(t.attributes&lr.CONVOLUTION)!=0)throw new Error(`Effects that transform UVs are incompatible with convolution effects (${e.name})`);if(!u&&!h)throw new Error(`Could not find mainImage or mainUv function (${e.name})`);{let d=/\w+\s+(\w+)\([\w\s,]*\)\s*{/g,f=t.shaderParts,p=(n=f.get(je.FRAGMENT_HEAD))!=null?n:"",v=(i=f.get(je.FRAGMENT_MAIN_UV))!=null?i:"",x=(s=f.get(je.FRAGMENT_MAIN_IMAGE))!=null?s:"",g=(a=f.get(je.VERTEX_HEAD))!=null?a:"",m=(o=f.get(je.VERTEX_MAIN_SUPPORT))!=null?o:"",b=new Set,y=new Set;if(h&&(v+=` ${r}MainUv(UV); -`,t.uvTransformation=!0),c!==null&&/mainSupport/.test(c)){let w=/mainSupport *\([\w\s]*?uv\s*?\)/.test(c);m+=` ${r}MainSupport(`,m+=w?`vUv); +}`,HM="uniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv;VERTEX_HEAD void main(){vUv=position.xy*0.5+0.5;VERTEX_MAIN_SUPPORT gl_Position=vec4(position.xy,1.0,1.0);}",zM=class extends Ke{constructor(r,e,t,i,n=!1){super({name:"EffectMaterial",defines:{THREE_REVISION:ji.replace(/\D+/g,""),DEPTH_PACKING:"0",ENCODE_OUTPUT:"1"},uniforms:{inputBuffer:new Ze(null),depthBuffer:new Ze(null),resolution:new Ze(new z),texelSize:new Ze(new z),cameraNear:new Ze(.3),cameraFar:new Ze(1e3),aspect:new Ze(1),time:new Ze(0)},blending:Dt,toneMapped:!1,depthWrite:!1,depthTest:!1,dithering:n});r&&this.setShaderParts(r),e&&this.setDefines(e),t&&this.setUniforms(t),this.copyCameraSettings(i)}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setInputBuffer(r){this.uniforms.inputBuffer.value=r}get depthBuffer(){return this.uniforms.depthBuffer.value}set depthBuffer(r){this.uniforms.depthBuffer.value=r}get depthPacking(){return Number(this.defines.DEPTH_PACKING)}set depthPacking(r){this.defines.DEPTH_PACKING=r.toFixed(0),this.needsUpdate=!0}setDepthBuffer(r,e=Bi){this.depthBuffer=r,this.depthPacking=e}setShaderData(r){this.setShaderParts(r.shaderParts),this.setDefines(r.defines),this.setUniforms(r.uniforms),this.setExtensions(r.extensions)}setShaderParts(r){return this.fragmentShader=FM.replace(ot.FRAGMENT_HEAD,r.get(ot.FRAGMENT_HEAD)||"").replace(ot.FRAGMENT_MAIN_UV,r.get(ot.FRAGMENT_MAIN_UV)||"").replace(ot.FRAGMENT_MAIN_IMAGE,r.get(ot.FRAGMENT_MAIN_IMAGE)||""),this.vertexShader=HM.replace(ot.VERTEX_HEAD,r.get(ot.VERTEX_HEAD)||"").replace(ot.VERTEX_MAIN_SUPPORT,r.get(ot.VERTEX_MAIN_SUPPORT)||""),this.needsUpdate=!0,this}setDefines(r){for(let e of r.entries())this.defines[e[0]]=e[1];return this.needsUpdate=!0,this}setUniforms(r){for(let e of r.entries())this.uniforms[e[0]]=e[1];return this}setExtensions(r){this.extensions={};for(let e of r)this.extensions[e]=!0;return this}get encodeOutput(){return this.defines.ENCODE_OUTPUT!==void 0}set encodeOutput(r){this.encodeOutput!==r&&(r?this.defines.ENCODE_OUTPUT="1":delete this.defines.ENCODE_OUTPUT,this.needsUpdate=!0)}isOutputEncodingEnabled(r){return this.encodeOutput}setOutputEncodingEnabled(r){this.encodeOutput=r}get time(){return this.uniforms.time.value}set time(r){this.uniforms.time.value=r}setDeltaTime(r){this.uniforms.time.value+=r}adoptCameraSettings(r){this.copyCameraSettings(r)}copyCameraSettings(r){r&&(this.uniforms.cameraNear.value=r.near,this.uniforms.cameraFar.value=r.far,r instanceof Tt?this.defines.PERSPECTIVE_CAMERA="1":delete this.defines.PERSPECTIVE_CAMERA,this.needsUpdate=!0)}setSize(r,e){let t=this.uniforms;t.resolution.value.set(r,e),t.texelSize.value.set(1/r,1/e),t.aspect.value=r/e}static get Section(){return ot}};var sT=Number(ji.replace(/\D+/g,"")),is=255/256,aT=new Float32Array([is/rn(256,3),is/rn(256,2),is/256,is]),oT=new Float32Array([is,is/256,is/rn(256,2),1/rn(256,3)]);function lv(r,e,t){for(let i of e){let n="$1"+r+i.charAt(0).toUpperCase()+i.slice(1),s=new RegExp("([^\\.])(\\b"+i+"\\b)","g");for(let a of t.entries())a[1]!==null&&t.set(a[0],a[1].replace(s,n))}}function kM(r,e,t){let i=e.getFragmentShader(),n=e.getVertexShader(),s=i!==void 0&&/mainImage/.test(i),a=i!==void 0&&/mainUv/.test(i);if(t.attributes|=e.getAttributes(),i===void 0)throw new Error(`Missing fragment shader (${e.name})`);if(a&&(t.attributes&ts.CONVOLUTION)!=0)throw new Error(`Effects that transform UVs are incompatible with convolution effects (${e.name})`);if(!s&&!a)throw new Error(`Could not find mainImage or mainUv function (${e.name})`);{let o=/\w+\s+(\w+)\([\w\s,]*\)\s*{/g,l=t.shaderParts,c=l.get(ot.FRAGMENT_HEAD)||"",h=l.get(ot.FRAGMENT_MAIN_UV)||"",u=l.get(ot.FRAGMENT_MAIN_IMAGE)||"",d=l.get(ot.VERTEX_HEAD)||"",f=l.get(ot.VERTEX_MAIN_SUPPORT)||"",m=new Set,v=new Set;if(a&&(h+=` ${r}MainUv(UV); +`,t.uvTransformation=!0),n!==null&&/mainSupport/.test(n)){let y=/mainSupport *\([\w\s]*?uv\s*?\)/.test(n);f+=` ${r}MainSupport(`,f+=y?`vUv); `:`); -`;for(let D of c.matchAll(/(?:varying\s+\w+\s+([\S\s]*?);)/g))for(let I of D[1].split(/\s*,\s*/))t.varyings.add(I),b.add(I),y.add(I);for(let D of c.matchAll(d))y.add(D[1])}for(let w of l.matchAll(d))y.add(w[1]);for(let w of e.defines.keys())y.add(w.replace(/\([\w\s,]*\)/g,""));for(let w of e.uniforms.keys())y.add(w);y.delete("while"),y.delete("for"),y.delete("if"),e.uniforms.forEach((w,D)=>t.uniforms.set(r+D.charAt(0).toUpperCase()+D.slice(1),w)),e.defines.forEach((w,D)=>t.defines.set(r+D.charAt(0).toUpperCase()+D.slice(1),w));let E=new Map([["fragment",l],["vertex",c]]);jp(r,y,t.defines),jp(r,y,E),l=E.get("fragment"),c=E.get("vertex");let _=e.blendMode;if(t.blendModes.set(_.blendFunction,_),u){e.inputColorSpace!==null&&e.inputColorSpace!==t.colorSpace&&(x+=e.inputColorSpace===qe?`color0 = LinearTosRGB(color0); +`;for(let x of n.matchAll(/(?:varying\s+\w+\s+([\S\s]*?);)/g))for(let _ of x[1].split(/\s*,\s*/))t.varyings.add(_),m.add(_),v.add(_);for(let x of n.matchAll(o))v.add(x[1])}for(let y of i.matchAll(o))v.add(y[1]);for(let y of e.defines.keys())v.add(y.replace(/\([\w\s,]*\)/g,""));for(let y of e.uniforms.keys())v.add(y);v.delete("while"),v.delete("for"),v.delete("if"),e.uniforms.forEach((y,x)=>t.uniforms.set(r+x.charAt(0).toUpperCase()+x.slice(1),y)),e.defines.forEach((y,x)=>t.defines.set(r+x.charAt(0).toUpperCase()+x.slice(1),y));let g=new Map([["fragment",i],["vertex",n]]);lv(r,v,t.defines),lv(r,v,g),i=g.get("fragment"),n=g.get("vertex");let p=e.blendMode;if(t.blendModes.set(p.blendFunction,p),s){e.inputColorSpace!==null&&e.inputColorSpace!==t.colorSpace&&(u+=e.inputColorSpace===Oe?`color0 = sRGBTransferOETF(color0); `:`color0 = sRGBToLinear(color0); - `),e.outputColorSpace!==null?t.colorSpace=e.outputColorSpace:e.inputColorSpace!==null&&(t.colorSpace=e.inputColorSpace);let w=/MainImage *\([\w\s,]*?depth[\w\s,]*?\)/;x+=`${r}MainImage(color0, UV, `,(t.attributes&lr.DEPTH)!=0&&w.test(l)&&(x+="depth, ",t.readDepth=!0),x+=`color1); - `;let D=r+"BlendOpacity";t.uniforms.set(D,_.opacity),x+=`color0 = blend${_.blendFunction}(color0, color1, ${D}); + `),e.outputColorSpace!==di?t.colorSpace=e.outputColorSpace:e.inputColorSpace!==null&&(t.colorSpace=e.inputColorSpace);let y=/MainImage *\([\w\s,]*?depth[\w\s,]*?\)/;u+=`${r}MainImage(color0, UV, `,(t.attributes&ts.DEPTH)!=0&&y.test(i)&&(u+="depth, ",t.readDepth=!0),u+=`color1); + `;let x=r+"BlendOpacity";t.uniforms.set(x,p.opacity),u+=`color0 = blend${p.blendFunction}(color0, color1, ${x}); - `,p+=`uniform float ${D}; + `,c+=`uniform float ${x}; -`}if(p+=l+` -`,c!==null&&(g+=c+` -`),f.set(je.FRAGMENT_HEAD,p),f.set(je.FRAGMENT_MAIN_UV,v),f.set(je.FRAGMENT_MAIN_IMAGE,x),f.set(je.VERTEX_HEAD,g),f.set(je.VERTEX_MAIN_SUPPORT,m),e.extensions!==null)for(let w of e.extensions)t.extensions.add(w)}}var Xp=class extends wn{constructor(r,...e){super("EffectPass");this.fullscreenMaterial=new qb(null,null,null,r),this.listener=t=>this.handleEvent(t),this.effects=[],this.setEffects(e),this.skipRendering=!1,this.minTime=1,this.maxTime=Number.POSITIVE_INFINITY,this.timeScale=1}set mainScene(r){for(let e of this.effects)e.mainScene=r}set mainCamera(r){this.fullscreenMaterial.copyCameraSettings(r);for(let e of this.effects)e.mainCamera=r}get encodeOutput(){return this.fullscreenMaterial.encodeOutput}set encodeOutput(r){this.fullscreenMaterial.encodeOutput=r}get dithering(){return this.fullscreenMaterial.dithering}set dithering(r){let e=this.fullscreenMaterial;e.dithering=r,e.needsUpdate=!0}setEffects(r){for(let e of this.effects)e.removeEventListener("change",this.listener);this.effects=r.sort((e,t)=>t.attributes-e.attributes);for(let e of this.effects)e.addEventListener("change",this.listener)}updateMaterial(){let r=new dA,e=0;for(let a of this.effects)if(a.blendMode.blendFunction===Fe.DST)r.attributes|=a.getAttributes()&lr.DEPTH;else{if((r.attributes&a.getAttributes()&lr.CONVOLUTION)!=0)throw new Error(`Convolution effects cannot be merged (${a.name})`);sA("e"+e++,a,r)}let t=r.shaderParts.get(je.FRAGMENT_HEAD),n=r.shaderParts.get(je.FRAGMENT_MAIN_IMAGE),i=r.shaderParts.get(je.FRAGMENT_MAIN_UV),s=/\bblend\b/g;for(let a of r.blendModes.values())t+=a.getShaderCode().replace(s,`blend${a.blendFunction}`)+` -`;(r.attributes&lr.DEPTH)!=0?(r.readDepth&&(n=`float depth = readDepth(UV); +`}if(c+=i+` +`,n!==null&&(d+=n+` +`),l.set(ot.FRAGMENT_HEAD,c),l.set(ot.FRAGMENT_MAIN_UV,h),l.set(ot.FRAGMENT_MAIN_IMAGE,u),l.set(ot.VERTEX_HEAD,d),l.set(ot.VERTEX_MAIN_SUPPORT,f),e.extensions!==null)for(let y of e.extensions)t.extensions.add(y)}}var cv=class extends nn{constructor(r,...e){super("EffectPass");this.fullscreenMaterial=new zM(null,null,null,r),this.listener=t=>this.handleEvent(t),this.effects=[],this.setEffects(e),this.skipRendering=!1,this.minTime=1,this.maxTime=Number.POSITIVE_INFINITY,this.timeScale=1}set mainScene(r){for(let e of this.effects)e.mainScene=r}set mainCamera(r){this.fullscreenMaterial.copyCameraSettings(r);for(let e of this.effects)e.mainCamera=r}get encodeOutput(){return this.fullscreenMaterial.encodeOutput}set encodeOutput(r){this.fullscreenMaterial.encodeOutput=r}get dithering(){return this.fullscreenMaterial.dithering}set dithering(r){let e=this.fullscreenMaterial;e.dithering=r,e.needsUpdate=!0}setEffects(r){for(let e of this.effects)e.removeEventListener("change",this.listener);this.effects=r.sort((e,t)=>t.attributes-e.attributes);for(let e of this.effects)e.addEventListener("change",this.listener)}updateMaterial(){let r=new zE,e=0;for(let a of this.effects)if(a.blendMode.blendFunction===$e.DST)r.attributes|=a.getAttributes()&ts.DEPTH;else{if((r.attributes&a.getAttributes()&ts.CONVOLUTION)!=0)throw new Error(`Convolution effects cannot be merged (${a.name})`);kM("e"+e++,a,r)}let t=r.shaderParts.get(ot.FRAGMENT_HEAD),i=r.shaderParts.get(ot.FRAGMENT_MAIN_IMAGE),n=r.shaderParts.get(ot.FRAGMENT_MAIN_UV),s=/\bblend\b/g;for(let a of r.blendModes.values())t+=a.getShaderCode().replace(s,`blend${a.blendFunction}`)+` +`;(r.attributes&ts.DEPTH)!=0?(r.readDepth&&(i=`float depth = readDepth(UV); - `+n),this.needsDepthTexture=this.getDepthTexture()===null):this.needsDepthTexture=!1,r.colorSpace===qe&&(n+=`color0 = sRGBToLinear(color0); - `),r.uvTransformation?(i=`vec2 transformedUv = vUv; -`+i,r.defines.set("UV","transformedUv")):r.defines.set("UV","vUv"),r.shaderParts.set(je.FRAGMENT_HEAD,t),r.shaderParts.set(je.FRAGMENT_MAIN_IMAGE,n),r.shaderParts.set(je.FRAGMENT_MAIN_UV,i),r.shaderParts.forEach((a,o,l)=>l.set(o,a==null?void 0:a.trim().replace(/^#/,` -#`))),this.skipRendering=e===0,this.needsSwap=!this.skipRendering,this.fullscreenMaterial.setShaderData(r)}recompile(){this.updateMaterial()}getDepthTexture(){return this.fullscreenMaterial.depthBuffer}setDepthTexture(r,e=cn){this.fullscreenMaterial.depthBuffer=r,this.fullscreenMaterial.depthPacking=e;for(let t of this.effects)t.setDepthTexture(r,e)}render(r,e,t,n,i){for(let s of this.effects)s.update(r,e,n);if(!this.skipRendering||this.renderToScreen){let s=this.fullscreenMaterial;s.inputBuffer=e.texture,s.time+=n*this.timeScale,r.setRenderTarget(this.renderToScreen?null:t),r.render(this.scene,this.camera)}}setSize(r,e){this.fullscreenMaterial.setSize(r,e);for(let t of this.effects)t.setSize(r,e)}initialize(r,e,t){this.renderer=r;for(let n of this.effects)n.initialize(r,e,t);this.updateMaterial(),t!==void 0&&t!==lt&&(this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH="1")}dispose(){super.dispose();for(let r of this.effects)r.removeEventListener("change",this.listener),r.dispose()}handleEvent(r){switch(r.type){case"change":this.recompile();break}}};var aA=class extends wn{constructor({kernelSize:r=vu.MEDIUM,resolutionScale:e=.5,width:t=Cn.AUTO_SIZE,height:n=Cn.AUTO_SIZE,resolutionX:i=t,resolutionY:s=n}={}){super("KawaseBlurPass");this.renderTargetA=new We(1,1,{depthBuffer:!1}),this.renderTargetA.texture.name="Blur.Target.A",this.renderTargetB=this.renderTargetA.clone(),this.renderTargetB.texture.name="Blur.Target.B";let a=this.resolution=new Cn(this,i,s,e);a.addEventListener("change",o=>this.setSize(a.baseWidth,a.baseHeight)),this._blurMaterial=new kb,this._blurMaterial.kernelSize=r,this.copyMaterial=new Gp}getResolution(){return this.resolution}get blurMaterial(){return this._blurMaterial}set blurMaterial(r){this._blurMaterial=r}get dithering(){return this.copyMaterial.dithering}set dithering(r){this.copyMaterial.dithering=r}get kernelSize(){return this.blurMaterial.kernelSize}set kernelSize(r){this.blurMaterial.kernelSize=r}get width(){return this.resolution.width}set width(r){this.resolution.preferredWidth=r}get height(){return this.resolution.height}set height(r){this.resolution.preferredHeight=r}get scale(){return this.blurMaterial.scale}set scale(r){this.blurMaterial.scale=r}getScale(){return this.blurMaterial.scale}setScale(r){this.blurMaterial.scale=r}getKernelSize(){return this.kernelSize}setKernelSize(r){this.kernelSize=r}getResolutionScale(){return this.resolution.scale}setResolutionScale(r){this.resolution.scale=r}render(r,e,t,n,i){let s=this.scene,a=this.camera,o=this.renderTargetA,l=this.renderTargetB,c=this.blurMaterial,u=c.kernelSequence,h=e;this.fullscreenMaterial=c;for(let d=0,f=u.length;dthis.setSize(l.baseWidth,l.baseHeight))}get texture(){return this.renderTarget.texture}getTexture(){return this.renderTarget.texture}getResolution(){return this.resolution}render(r,e,t,n,i){let s=this.fullscreenMaterial;s.inputBuffer=e.texture,r.setRenderTarget(this.renderToScreen?null:this.renderTarget),r.render(this.scene,this.camera)}setSize(r,e){let t=this.resolution;t.setBaseSize(r,e),this.renderTarget.setSize(t.width,t.height)}initialize(r,e,t){t!==void 0&&t!==lt&&(this.renderTarget.texture.type=t,this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH="1")}},lA=class extends wn{constructor(r,e){super("MaskPass",r,e);this.needsSwap=!1,this.clearPass=new Vp(!1,!1,!0),this.inverse=!1}set mainScene(r){this.scene=r}set mainCamera(r){this.camera=r}get inverted(){return this.inverse}set inverted(r){this.inverse=r}get clear(){return this.clearPass.enabled}set clear(r){this.clearPass.enabled=r}getClearPass(){return this.clearPass}isInverted(){return this.inverted}setInverted(r){this.inverted=r}render(r,e,t,n,i){let s=r.getContext(),a=r.state.buffers,o=this.scene,l=this.camera,c=this.clearPass,u=this.inverted?0:1,h=1-u;a.color.setMask(!1),a.depth.setMask(!1),a.color.setLocked(!0),a.depth.setLocked(!0),a.stencil.setTest(!0),a.stencil.setOp(s.REPLACE,s.REPLACE,s.REPLACE),a.stencil.setFunc(s.ALWAYS,u,4294967295),a.stencil.setClear(h),a.stencil.setLocked(!0),this.clearPass.enabled&&(this.renderToScreen?c.render(r,null):(c.render(r,e),c.render(r,t))),this.renderToScreen?(r.setRenderTarget(null),r.render(o,l)):(r.setRenderTarget(e),r.render(o,l),r.setRenderTarget(t),r.render(o,l)),a.color.setLocked(!1),a.depth.setLocked(!1),a.stencil.setLocked(!1),a.stencil.setFunc(s.EQUAL,1,4294967295),a.stencil.setOp(s.KEEP,s.KEEP,s.KEEP),a.stencil.setLocked(!0)}},cA=class extends wn{constructor(){super("MipmapBlurPass");this.needsSwap=!1,this.renderTarget=new We(1,1,{depthBuffer:!1}),this.renderTarget.texture.name="Upsampling.Mipmap0",this.downsamplingMipmaps=[],this.upsamplingMipmaps=[],this.downsamplingMaterial=new jb,this.upsamplingMaterial=new eA,this.resolution=new O}get texture(){return this.renderTarget.texture}get levels(){return this.downsamplingMipmaps.length}set levels(r){if(this.levels!==r){let e=this.renderTarget;this.dispose(),this.downsamplingMipmaps=[],this.upsamplingMipmaps=[];for(let t=0;t=0;--d){let f=u[d];l.setSize(h.width,h.height),l.inputBuffer=h.texture,l.supportBuffer=c[d].texture,r.setRenderTarget(f),r.render(s,a),h=f}}setSize(r,e){let t=this.resolution;t.set(r,e);let n=t.width,i=t.height;for(let s=0,a=this.downsamplingMipmaps.length;s0&&r>0?(this.inputBuffer.samples=r,this.outputBuffer.samples=r,this.inputBuffer.dispose(),this.outputBuffer.dispose()):t!==r&&(this.inputBuffer.dispose(),this.outputBuffer.dispose(),this.inputBuffer=this.createBuffer(e.depthBuffer,e.stencilBuffer,e.texture.type,r),this.inputBuffer.depthTexture=this.depthTexture,this.outputBuffer=this.inputBuffer.clone())}getTimer(){return this.timer}getRenderer(){return this.renderer}setRenderer(r){if(this.renderer=r,r!==null){let e=r.getSize(new O),t=r.getContext().getContextAttributes().alpha,n=this.inputBuffer.texture.type;n===lt&&r.outputEncoding===qe&&(this.inputBuffer.texture.encoding=qe,this.outputBuffer.texture.encoding=qe,this.inputBuffer.dispose(),this.outputBuffer.dispose()),r.autoClear=!1,this.setSize(e.width,e.height);for(let i of this.passes)i.initialize(r,t,n)}}replaceRenderer(r,e=!0){let t=this.renderer,n=t.domElement.parentNode;return this.setRenderer(r),e&&n!==null&&(n.removeChild(t.domElement),n.appendChild(r.domElement)),t}createDepthTexture(){let r=this.depthTexture=new ui;return this.inputBuffer.depthTexture=r,this.inputBuffer.dispose(),this.inputBuffer.stencilBuffer?(r.format=Ln,r.type=Pn):r.type=Li,r}deleteDepthTexture(){if(this.depthTexture!==null){this.depthTexture.dispose(),this.depthTexture=null,this.inputBuffer.depthTexture=null,this.inputBuffer.dispose();for(let r of this.passes)r.setDepthTexture(null)}}createBuffer(r,e,t,n){let i=this.renderer,s=i===null?new O:i.getDrawingBufferSize(new O),a={minFilter:et,magFilter:et,stencilBuffer:e,depthBuffer:r,type:t},o;return n>0?(o=Number(bn.replace(/\D+/g,""))<138?new Ni(s.width,s.height,a):new We(s.width,s.height,a),o.ignoreDepthForMultisampleCopy=!1,o.samples=n):o=new We(s.width,s.height,a),t===lt&&i!==null&&i.outputEncoding===qe&&(o.texture.encoding=qe),o.texture.name="EffectComposer.Buffer",o.texture.generateMipmaps=!1,o}setMainScene(r){for(let e of this.passes)e.mainScene=r}setMainCamera(r){for(let e of this.passes)e.mainCamera=r}addPass(r,e){let t=this.passes,n=this.renderer,i=n.getDrawingBufferSize(new O),s=n.getContext().getContextAttributes().alpha,a=this.inputBuffer.texture.type;if(r.setRenderer(n),r.setSize(i.width,i.height),r.initialize(n,s,a),this.autoRenderToScreen&&(t.length>0&&(t[t.length-1].renderToScreen=!1),r.renderToScreen&&(this.autoRenderToScreen=!1)),e!==void 0?t.splice(e,0,r):t.push(r),this.autoRenderToScreen&&(t[t.length-1].renderToScreen=!0),r.needsDepthTexture||this.depthTexture!==null)if(this.depthTexture===null){let o=this.createDepthTexture();for(r of t)r.setDepthTexture(o)}else r.setDepthTexture(this.depthTexture)}removePass(r){let e=this.passes,t=e.indexOf(r);if(t!==-1&&e.splice(t,1).length>0){if(this.depthTexture!==null){let s=(o,l)=>o||l.needsDepthTexture;e.reduce(s,!1)||(r.getDepthTexture()===this.depthTexture&&r.setDepthTexture(null),this.deleteDepthTexture())}this.autoRenderToScreen&&t===e.length&&(r.renderToScreen=!1,e.length>0&&(e[e.length-1].renderToScreen=!0))}}removeAllPasses(){let r=this.passes;this.deleteDepthTexture(),r.length>0&&(this.autoRenderToScreen&&(r[r.length-1].renderToScreen=!1),this.passes=[])}render(r){let e=this.renderer,t=this.copyPass,n=this.inputBuffer,i=this.outputBuffer,s=!1,a,o,l;r===void 0&&(r=this.timer.update().getDelta());for(let c of this.passes)c.enabled&&(c.render(e,n,i,r,s),c.needsSwap&&(s&&(t.renderToScreen=c.renderToScreen,a=e.getContext(),o=e.state.buffers.stencil,o.setFunc(a.NOTEQUAL,1,4294967295),t.render(e,n,i,r,s),o.setFunc(a.EQUAL,1,4294967295)),l=n,n=i,i=l),c instanceof lA?s=!0:c instanceof rA&&(s=!1))}setSize(r,e,t){let n=this.renderer,i=n.getSize(new O);(r===void 0||e===void 0)&&(r=i.width,e=i.height),(i.width!==r||i.height!==e)&&n.setSize(r,e,t);let s=n.getDrawingBufferSize(new O);this.inputBuffer.setSize(s.width,s.height),this.outputBuffer.setSize(s.width,s.height);for(let a of this.passes)a.setSize(s.width,s.height)}reset(){let r=this.timer.isAutoResetEnabled();this.dispose(),this.autoRenderToScreen=!0,this.timer.setAutoResetEnabled(r)}dispose(){for(let r of this.passes)r.dispose();this.passes=[],this.inputBuffer!==null&&this.inputBuffer.dispose(),this.outputBuffer!==null&&this.outputBuffer.dispose(),this.deleteDepthTexture(),this.copyPass.dispose(),this.timer.dispose()}},dA=class{constructor(){this.shaderParts=new Map([[je.FRAGMENT_HEAD,null],[je.FRAGMENT_MAIN_UV,null],[je.FRAGMENT_MAIN_IMAGE,null],[je.VERTEX_HEAD,null],[je.VERTEX_MAIN_SUPPORT,null]]),this.defines=new Map,this.uniforms=new Map,this.blendModes=new Map,this.extensions=new Set,this.attributes=lr.NONE,this.varyings=new Set,this.uvTransformation=!1,this.readDepth=!1,this.colorSpace=ft}};var fA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x+y,opacity);}",pA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y,min(y.a,opacity));}",mA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,(x+y)*0.5,opacity);}",gA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(yHSL.rg,xHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}",vA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(step(0.0,y)*(1.0-min(vec4(1.0),(1.0-x)/y)),vec4(1.0),step(1.0,x));return mix(x,z,opacity);}",xA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=step(0.0,x)*mix(min(vec4(1.0),x/max(1.0-y,1e-9)),vec4(1.0),step(1.0,y));return mix(x,z,opacity);}",yA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,min(x,y),opacity);}",wA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,abs(x-y),opacity);}",bA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x/max(y,1e-12),opacity);}",AA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,(x+y-2.0*x*y),opacity);}",EA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 a=min(x,1.0),b=min(y,1.0);vec4 z=mix(2.0*a*b,1.0-2.0*(1.0-a)*(1.0-b),step(0.5,y));return mix(x,z,opacity);}",MA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,step(1.0,x+y),opacity);}",SA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(yHSL.r,xHSL.gb));return vec4(mix(x.rgb,z,opacity),y.a);}",_A="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,1.0-y,opacity);}",TA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y*(1.0-x),opacity);}",CA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,max(x,y),opacity);}",DA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,clamp(y+x-1.0,0.0,1.0),opacity);}",RA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,min(x+y,1.0),opacity);}",PA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,clamp(2.0*y+x-1.0,0.0,1.0),opacity);}",LA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(xHSL.rg,yHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}",IA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x*y,opacity);}",BA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,1.0-abs(1.0-x-y),opacity);}",UA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y,opacity);}",FA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(2.0*y*x,1.0-2.0*(1.0-y)*(1.0-x),step(0.5,x));return mix(x,z,opacity);}",OA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 y2=2.0*y;vec4 z=mix(mix(y2,x,step(0.5*x,y)),max(vec4(0.0),y2-1.0),step(x,(y2-1.0)));return mix(x,z,opacity);}",NA="vec4 blend(const in vec4 x,const in vec4 y,const in 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z=mix(max(1.0-min((1.0-x)/(2.0*y),1.0),0.0),min(x/(2.0*(1.0-y)),1.0),step(0.5,y));return mix(x,z,opacity);}",YA=new Map([[Fe.ADD,fA],[Fe.ALPHA,pA],[Fe.AVERAGE,mA],[Fe.COLOR,gA],[Fe.COLOR_BURN,vA],[Fe.COLOR_DODGE,xA],[Fe.DARKEN,yA],[Fe.DIFFERENCE,wA],[Fe.DIVIDE,bA],[Fe.DST,null],[Fe.EXCLUSION,AA],[Fe.HARD_LIGHT,EA],[Fe.HARD_MIX,MA],[Fe.HUE,SA],[Fe.INVERT,_A],[Fe.INVERT_RGB,TA],[Fe.LIGHTEN,CA],[Fe.LINEAR_BURN,DA],[Fe.LINEAR_DODGE,RA],[Fe.LINEAR_LIGHT,PA],[Fe.LUMINOSITY,LA],[Fe.MULTIPLY,IA],[Fe.NEGATION,BA],[Fe.NORMAL,UA],[Fe.OVERLAY,FA],[Fe.PIN_LIGHT,OA],[Fe.REFLECT,NA],[Fe.SATURATION,HA],[Fe.SCREEN,zA],[Fe.SOFT_LIGHT,GA],[Fe.SRC,kA],[Fe.SUBTRACT,VA],[Fe.VIVID_LIGHT,WA]]),jA=class extends Pt{constructor(r,e=1){super();this._blendFunction=r,this.opacity=new De(e)}getOpacity(){return this.opacity.value}setOpacity(r){this.opacity.value=r}get blendFunction(){return this._blendFunction}set blendFunction(r){this._blendFunction=r,this.dispatchEvent({type:"change"})}getBlendFunction(){return this.blendFunction}setBlendFunction(r){this.blendFunction=r}getShaderCode(){return YA.get(this.blendFunction)}},XA=class extends Pt{constructor(r,e,{attributes:t=lr.NONE,blendFunction:n=Fe.NORMAL,defines:i=new Map,uniforms:s=new Map,extensions:a=null,vertexShader:o=null}={}){super();this.name=r,this.renderer=null,this.attributes=t,this.fragmentShader=e,this.vertexShader=o,this.defines=i,this.uniforms=s,this.extensions=a,this.blendMode=new jA(n),this.blendMode.addEventListener("change",l=>this.setChanged()),this._inputColorSpace=ft,this._outputColorSpace=null}get inputColorSpace(){return this._inputColorSpace}set inputColorSpace(r){this._inputColorSpace=r,this.setChanged()}get outputColorSpace(){return this._outputColorSpace}set outputColorSpace(r){this._outputColorSpace=r,this.setChanged()}set mainScene(r){}set mainCamera(r){}getName(){return this.name}setRenderer(r){this.renderer=r}getDefines(){return this.defines}getUniforms(){return this.uniforms}getExtensions(){return this.extensions}getBlendMode(){return this.blendMode}getAttributes(){return this.attributes}setAttributes(r){this.attributes=r,this.setChanged()}getFragmentShader(){return this.fragmentShader}setFragmentShader(r){this.fragmentShader=r,this.setChanged()}getVertexShader(){return this.vertexShader}setVertexShader(r){this.vertexShader=r,this.setChanged()}setChanged(){this.dispatchEvent({type:"change"})}setDepthTexture(r,e=cn){}update(r,e,t){}setSize(r,e){}initialize(r,e,t){}dispose(){for(let r of Object.keys(this)){let e=this[r];(e instanceof We||e instanceof tt||e instanceof ot||e instanceof wn)&&this[r].dispose()}}},QA=`#ifdef FRAMEBUFFER_PRECISION_HIGH -uniform mediump sampler2D map; -#else -uniform lowp sampler2D map; -#endif -uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=texture2D(map,uv)*intensity;}`,qp=class extends XA{constructor({blendFunction:r=Fe.SCREEN,luminanceThreshold:e=.9,luminanceSmoothing:t=.025,mipmapBlur:n=!1,intensity:i=1,radius:s=.85,levels:a=8,kernelSize:o=vu.LARGE,resolutionScale:l=.5,width:c=Cn.AUTO_SIZE,height:u=Cn.AUTO_SIZE,resolutionX:h=c,resolutionY:d=u}={}){super("BloomEffect",QA,{blendFunction:r,uniforms:new Map([["map",new De(null)],["intensity",new De(i)]])});this.renderTarget=new We(1,1,{depthBuffer:!1}),this.renderTarget.texture.name="Bloom.Target",this.blurPass=new aA({kernelSize:o}),this.luminancePass=new oA({colorOutput:!0}),this.luminanceMaterial.threshold=e,this.luminanceMaterial.smoothing=t,this.mipmapBlurPass=new cA,this.mipmapBlurPass.enabled=n,this.mipmapBlurPass.radius=s,this.mipmapBlurPass.levels=a,this.uniforms.get("map").value=n?this.mipmapBlurPass.texture:this.renderTarget.texture;let f=this.resolution=new Cn(this,h,d,l);f.addEventListener("change",p=>this.setSize(f.baseWidth,f.baseHeight))}get texture(){return this.mipmapBlurPass.enabled?this.mipmapBlurPass.texture:this.renderTarget.texture}getTexture(){return this.texture}getResolution(){return this.resolution}getBlurPass(){return this.blurPass}getLuminancePass(){return this.luminancePass}get luminanceMaterial(){return this.luminancePass.fullscreenMaterial}getLuminanceMaterial(){return this.luminancePass.fullscreenMaterial}get width(){return this.resolution.width}set width(r){this.resolution.preferredWidth=r}get height(){return this.resolution.height}set height(r){this.resolution.preferredHeight=r}get dithering(){return this.blurPass.dithering}set dithering(r){this.blurPass.dithering=r}get kernelSize(){return this.blurPass.kernelSize}set kernelSize(r){this.blurPass.kernelSize=r}get distinction(){return console.warn(this.name,"distinction was removed"),1}set distinction(r){console.warn(this.name,"distinction was removed")}get intensity(){return this.uniforms.get("intensity").value}set intensity(r){this.uniforms.get("intensity").value=r}getIntensity(){return this.intensity}setIntensity(r){this.intensity=r}getResolutionScale(){return this.resolution.scale}setResolutionScale(r){this.resolution.scale=r}update(r,e,t){let n=this.renderTarget,i=this.luminancePass;i.enabled?(i.render(r,e),this.mipmapBlurPass.enabled?this.mipmapBlurPass.render(r,i.renderTarget):this.blurPass.render(r,i.renderTarget,n)):this.mipmapBlurPass.enabled?this.mipmapBlurPass.render(r,e):this.blurPass.render(r,e,n)}setSize(r,e){let t=this.resolution;t.setBaseSize(r,e),this.renderTarget.setSize(t.width,t.height),this.blurPass.resolution.copy(t),this.luminancePass.setSize(r,e),this.mipmapBlurPass.setSize(r,e)}initialize(r,e,t){this.blurPass.initialize(r,e,t),this.luminancePass.initialize(r,e,t),this.mipmapBlurPass.initialize(r,e,t),t!==void 0&&(this.renderTarget.texture.type=t,r.outputEncoding===qe&&(this.renderTarget.texture.encoding=qe))}};var uM=new A,hM=new ge;var fM=new $;var pM=[new Float32Array(3),new Float32Array(3)],mM=[new Float32Array(3),new Float32Array(3),new Float32Array(3),new Float32Array(3)],gM=[[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([0,1,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([0,1,1]),new Float32Array([1,1,1])]];var vM=[new Float32Array(2),new Float32Array(2)];var xM=new Float32Array([0,-.25,.25,-.125,.125,-.375,.375]),yM=[new Float32Array([0,0]),new Float32Array([.25,-.25]),new Float32Array([-.25,.25]),new Float32Array([.125,-.125]),new Float32Array([-.125,.125])],wM=[new Uint8Array([0,0]),new Uint8Array([3,0]),new Uint8Array([0,3]),new Uint8Array([3,3]),new Uint8Array([1,0]),new Uint8Array([4,0]),new Uint8Array([1,3]),new Uint8Array([4,3]),new Uint8Array([0,1]),new Uint8Array([3,1]),new Uint8Array([0,4]),new Uint8Array([3,4]),new Uint8Array([1,1]),new Uint8Array([4,1]),new Uint8Array([1,4]),new Uint8Array([4,4])],bM=[new Uint8Array([0,0]),new Uint8Array([1,0]),new Uint8Array([0,2]),new Uint8Array([1,2]),new Uint8Array([2,0]),new Uint8Array([3,0]),new Uint8Array([2,2]),new Uint8Array([3,2]),new Uint8Array([0,1]),new Uint8Array([1,1]),new Uint8Array([0,3]),new Uint8Array([1,3]),new Uint8Array([2,1]),new Uint8Array([3,1]),new Uint8Array([2,3]),new Uint8Array([3,3])];var AM=new Map([[Nt(0,0,0,0),new Float32Array([0,0,0,0])],[Nt(0,0,0,1),new Float32Array([0,0,0,1])],[Nt(0,0,1,0),new Float32Array([0,0,1,0])],[Nt(0,0,1,1),new Float32Array([0,0,1,1])],[Nt(0,1,0,0),new Float32Array([0,1,0,0])],[Nt(0,1,0,1),new Float32Array([0,1,0,1])],[Nt(0,1,1,0),new Float32Array([0,1,1,0])],[Nt(0,1,1,1),new Float32Array([0,1,1,1])],[Nt(1,0,0,0),new Float32Array([1,0,0,0])],[Nt(1,0,0,1),new Float32Array([1,0,0,1])],[Nt(1,0,1,0),new Float32Array([1,0,1,0])],[Nt(1,0,1,1),new Float32Array([1,0,1,1])],[Nt(1,1,0,0),new Float32Array([1,1,0,0])],[Nt(1,1,0,1),new Float32Array([1,1,0,1])],[Nt(1,1,1,0),new Float32Array([1,1,1,0])],[Nt(1,1,1,1),new Float32Array([1,1,1,1])]]);function wu(r,e,t){return r+(e-r)*t}function Nt(r,e,t,n){let i=wu(r,e,1-.25),s=wu(t,n,1-.25);return wu(i,s,1-.125)}var MM=Math.PI*.5,SM=new A,_M=new A;function Zp(){return` - varying vec3 vColor; - uniform sampler2D texture; + `+i),this.needsDepthTexture=this.getDepthTexture()===null):this.needsDepthTexture=!1,r.colorSpace===Oe&&(i+=`color0 = sRGBToLinear(color0); + `),r.uvTransformation?(n=`vec2 transformedUv = vUv; +`+n,r.defines.set("UV","transformedUv")):r.defines.set("UV","vUv"),r.shaderParts.set(ot.FRAGMENT_HEAD,t),r.shaderParts.set(ot.FRAGMENT_MAIN_IMAGE,i),r.shaderParts.set(ot.FRAGMENT_MAIN_UV,n);for(let[a,o]of r.shaderParts)o!==null&&r.shaderParts.set(a,o.trim().replace(/^#/,` +#`));this.skipRendering=e===0,this.needsSwap=!this.skipRendering,this.fullscreenMaterial.setShaderData(r)}recompile(){this.updateMaterial()}getDepthTexture(){return this.fullscreenMaterial.depthBuffer}setDepthTexture(r,e=Bi){this.fullscreenMaterial.depthBuffer=r,this.fullscreenMaterial.depthPacking=e;for(let t of this.effects)t.setDepthTexture(r,e)}render(r,e,t,i,n){for(let s of this.effects)s.update(r,e,i);if(!this.skipRendering||this.renderToScreen){let s=this.fullscreenMaterial;s.inputBuffer=e.texture,s.time+=i*this.timeScale,r.setRenderTarget(this.renderToScreen?null:t),r.render(this.scene,this.camera)}}setSize(r,e){this.fullscreenMaterial.setSize(r,e);for(let t of this.effects)t.setSize(r,e)}initialize(r,e,t){this.renderer=r;for(let i of this.effects)i.initialize(r,e,t);this.updateMaterial(),t!==void 0&&t!==bt&&(this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH="1")}dispose(){super.dispose();for(let r of this.effects)r.removeEventListener("change",this.listener),r.dispose()}handleEvent(r){switch(r.type){case"change":this.recompile();break}}};var cT=[new Float32Array(3),new Float32Array(3)],hT=[new Float32Array(3),new Float32Array(3),new Float32Array(3),new Float32Array(3)],uT=[[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([0,1,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([0,1,1]),new Float32Array([1,1,1])]];var dT=[new Float32Array(2),new Float32Array(2)];var fT=new Float32Array([0,-.25,.25,-.125,.125,-.375,.375]),pT=[new Float32Array([0,0]),new Float32Array([.25,-.25]),new Float32Array([-.25,.25]),new Float32Array([.125,-.125]),new Float32Array([-.125,.125])],mT=[new Uint8Array([0,0]),new Uint8Array([3,0]),new Uint8Array([0,3]),new Uint8Array([3,3]),new Uint8Array([1,0]),new Uint8Array([4,0]),new Uint8Array([1,3]),new Uint8Array([4,3]),new Uint8Array([0,1]),new Uint8Array([3,1]),new Uint8Array([0,4]),new Uint8Array([3,4]),new Uint8Array([1,1]),new Uint8Array([4,1]),new Uint8Array([1,4]),new Uint8Array([4,4])],gT=[new Uint8Array([0,0]),new Uint8Array([1,0]),new Uint8Array([0,2]),new Uint8Array([1,2]),new Uint8Array([2,0]),new Uint8Array([3,0]),new Uint8Array([2,2]),new Uint8Array([3,2]),new Uint8Array([0,1]),new Uint8Array([1,1]),new Uint8Array([0,3]),new Uint8Array([1,3]),new Uint8Array([2,1]),new Uint8Array([3,1]),new Uint8Array([2,3]),new Uint8Array([3,3])];var vT=new Map([[ri(0,0,0,0),new Float32Array([0,0,0,0])],[ri(0,0,0,1),new Float32Array([0,0,0,1])],[ri(0,0,1,0),new Float32Array([0,0,1,0])],[ri(0,0,1,1),new Float32Array([0,0,1,1])],[ri(0,1,0,0),new Float32Array([0,1,0,0])],[ri(0,1,0,1),new Float32Array([0,1,0,1])],[ri(0,1,1,0),new Float32Array([0,1,1,0])],[ri(0,1,1,1),new Float32Array([0,1,1,1])],[ri(1,0,0,0),new Float32Array([1,0,0,0])],[ri(1,0,0,1),new Float32Array([1,0,0,1])],[ri(1,0,1,0),new Float32Array([1,0,1,0])],[ri(1,0,1,1),new Float32Array([1,0,1,1])],[ri(1,1,0,0),new Float32Array([1,1,0,0])],[ri(1,1,0,1),new Float32Array([1,1,0,1])],[ri(1,1,1,0),new Float32Array([1,1,1,0])],[ri(1,1,1,1),new Float32Array([1,1,1,1])]]);function Rf(r,e,t){return r+(e-r)*t}function ri(r,e,t,i){let n=Rf(r,e,1-.25),s=Rf(t,i,1-.25);return Rf(n,s,1-.125)}function hv(){return` + uniform sampler2D tex; + + in vec3 vColor; void main() { - gl_FragColor = vec4(vColor, 1.0) * texture2D(texture, gl_PointCoord); + gl_FragColor = vec4(vColor, 1.0) * texture(tex, gl_PointCoord); } - `}function Jp(){return` - attribute vec3 fuzzColor; - attribute vec3 origin; - varying vec3 vColor; - - attribute float size; - - attribute float a; - attribute float e; - attribute float i; - attribute float om; - attribute float wBar; - attribute float M; + `}function uv(){return` + in vec3 fuzzColor; + in vec3 origin; + + in float visible; + in float size; + + in float a; + in float e; + in float i; + in float om; + in float wBar; + in float M; // Perihelion distance - attribute float q; + in float q; // CPU-computed term for parabolic orbits - attribute float a0; - - // COSH Function (Hyperbolic Cosine) - float cosh(float val) { - float tmp = exp(val); - float cosH = (tmp + 1.0 / tmp) / 2.0; - return cosH; - } + in float a0; - // TANH Function (Hyperbolic Tangent) - float tanh(float val) { - float tmp = exp(val); - float tanH = (tmp - 1.0 / tmp) / (tmp + 1.0 / tmp); - return tanH; - } - - // SINH Function (Hyperbolic Sine) - float sinh(float val) { - float tmp = exp(val); - float sinH = (tmp - 1.0 / tmp) / 2.0; - return sinH; - } + out vec3 vColor; // Cube root helper that assumes param is positive float cbrt(float x) { @@ -3347,7 +4007,7 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv float F = F0; float v = 2.0 * atan(sqrt((e + 1.0) / (e - 1.0))) * tanh(F / 2.0); - float r = ${hu().toFixed(1)} * (a * (1.0 - e * e)) / (1.0 + e * cos(v)); + float r = ${_f().toFixed(1)} * (a * (1.0 - e * e)) / (1.0 + e * cos(v)); // Compute heliocentric coords. float i_rad = i; @@ -3384,7 +4044,7 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv float v = 2.0 * atan(sqrt((1.0+e)/(1.0-e)) * tan(E/2.0)); // Compute radius vector. - float r = ${hu().toFixed(1)} * a * (1.0 - e * e) / (1.0 + e * cos(v)); + float r = ${_f().toFixed(1)} * a * (1.0 - e * e) / (1.0 + e * cos(v)); // Compute heliocentric coords. float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad)); @@ -3407,19 +4067,19 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv vec3 newpos = getPos() + origin; vec4 mvPosition = modelViewMatrix * vec4(newpos, 1.0); + gl_PointSize = visible > 0.5 ? size : 0.0; gl_Position = projectionMatrix * mvPosition; - gl_PointSize = size; } - `}var Jo=` - varying vec3 vColor; - + `}var _h=` + in vec3 vColor; + void main() { float a = 1.0 - 2.0 * length(gl_PointCoord - vec2(0.5, 0.5)); gl_FragColor = vec4(vColor, a); } -`,Ko=` - attribute float size; - varying vec3 vColor; +`,yh=` + in float size; + out vec3 vColor; void main() { vColor = color; @@ -3427,15 +4087,15 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv gl_PointSize = size; gl_Position = projectionMatrix * mvPosition; } -`;var Kp=` +`;var dv=` uniform vec3 lightPos; - varying vec2 vUv; - varying vec3 vecPos; - varying vec3 vecNormal; + out vec2 vUv; + out vec3 vecPos; + out vec3 vecNormal; //varying vec3 vNormal; - varying vec3 vViewLightPos; + out vec3 vViewLightPos; void main() { //vNormal = normalize(normalMatrix * normal); @@ -3452,15 +4112,15 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz; gl_Position = projectionMatrix * vec4(vecPos, 1.0); } -`,$p=` +`,fv=` uniform float c; uniform float p; uniform vec3 color; - varying vec2 vUv; - varying vec3 vecPos; - varying vec3 vecNormal; - varying vec3 vViewLightPos; + in vec2 vUv; + in vec3 vecPos; + in vec3 vecNormal; + in vec3 vViewLightPos; void main() { float intensity = pow(c - dot(vecNormal, vec3(0.0, 0.0, 1.0)), p); @@ -3473,13 +4133,13 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv gl_FragColor = vec4(color, 1.0) * intensity * addedLights; } -`,em=` +`,pv=` uniform vec3 lightPos; - varying vec2 vUv; - varying vec3 vViewPosition; - varying vec3 vViewLightPos; - varying vec3 vNormal; + out vec2 vUv; + out vec3 vNormal; + out vec3 vViewPosition; + out vec3 vViewLightPos; void main() { vUv = uv; @@ -3490,24 +4150,24 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv gl_Position = projectionMatrix * vViewPosition4; } -`,tm=` - uniform sampler2D sphereTexture; +`,mv=` + uniform sampler2D sphereTex; - varying vec2 vUv; - varying vec3 vNormal; - varying vec3 vViewPosition; - varying vec3 vViewLightPos; + in vec2 vUv; + in vec3 vNormal; + in vec3 vViewPosition; + in vec3 vViewLightPos; void main() { vec3 normal = normalize(vNormal); vec3 lightDir = normalize(vViewLightPos - vViewPosition); float lambertian = max(dot(normal, lightDir), 0.0); - gl_FragColor = texture2D(sphereTexture, vUv) * vec4(vec3(1.0) * lambertian, 1.0); + gl_FragColor = texture(sphereTex, vUv) * vec4(vec3(1.0) * lambertian, 1.0); } -`,nm=` - varying vec3 vPos; - varying vec3 vWorldPosition; - varying vec3 vNormal; +`,gv=` + out vec3 vPos; + out vec3 vWorldPosition; + out vec3 vNormal; void main() { vPos = position; @@ -3517,15 +4177,15 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv vNormal = normalMatrix * normal; vWorldPosition = worldPosition.xyz; } -`,im=` - uniform sampler2D ringTexture; +`,vv=` + uniform sampler2D ringTex; uniform float innerRadius; uniform float outerRadius; uniform vec3 lightPos; - varying vec3 vNormal; - varying vec3 vPos; - varying vec3 vWorldPosition; + in vec3 vNormal; + in vec3 vPos; + in vec3 vWorldPosition; vec4 color() { vec2 uv = vec2(0); @@ -3534,7 +4194,7 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv discard; } - vec4 pixel = texture2D(ringTexture, uv); + vec4 pixel = texture(ringTex, uv); return pixel; } @@ -3570,20 +4230,20 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv // https://github.com/typpo/spacekit/issues/22 gl_FragColor = vec4(lights() * shadow(), 1.0) * color(); } -`;var qA=4096;function rm(r,e){let t=e-r.get("epoch");return r.get("ma")+r.get("n")*t}var ZA=.01720209895;function sm(r,e){let t=r.get("tp"),n=r.get("e"),i=r.get("q"),s=e-t;return .75*s*ZA*Math.sqrt((1+n)/(i*i*i))}var cr=class{constructor(e,t){if(this.options=e,this.id=`KeplerParticles__${cr.instanceCount}`,this.simulation=t,this.context=t.getContext(),this.addedToScene=!1,this.particleCount=0,!this.options.textureUrl)throw new Error("ParticleSystem requires textureUrl to be set");let n=Dp(this.options.textureUrl,this.context.options.basePath);this.uniforms={texture:{value:n}};let i=this.options.maxNumParticles||qA;this.elements=[],this.attributes={size:new pe(new Float32Array(i),1),origin:new pe(new Float32Array(i*3),3),position:new pe(new Float32Array(i*3),3),fuzzColor:new pe(new Float32Array(i*3),3),a:new pe(new Float32Array(i),1),e:new pe(new Float32Array(i),1),i:new pe(new Float32Array(i),1),om:new pe(new Float32Array(i),1),ma:new pe(new Float32Array(i),1),n:new pe(new Float32Array(i),1),w:new pe(new Float32Array(i),1),wBar:new pe(new Float32Array(i),1),q:new pe(new Float32Array(i),1),M:new pe(new Float32Array(i),1),a0:new pe(new Float32Array(i),1)},this.attributes.M.setUsage(In),this.attributes.a0.setUsage(In);let s=new de;s.setDrawRange(0,0),Object.keys(this.attributes).forEach(o=>{let l=this.attributes[o];s.setAttribute(o,l)});let a=new Ye({uniforms:this.uniforms,vertexShader:Jp(),fragmentShader:Zp(),depthTest:!0,depthWrite:!1,transparent:!0});this.shaderMaterial=a,this.geometry=s,this.particleSystem=new Ot(s,a)}addParticle(e,t={}){this.elements.push(e);let n=this.attributes,i=this.particleCount++;n.size.set([t.particleSize||this.options.defaultSize||15],i);let s=new $(t.color||16777215);n.fuzzColor.set([s.r,s.g,s.b],i*3),n.origin.set([0,0,0],i*3),n.a.set([e.get("a")],i),n.e.set([e.get("e")],i),n.i.set([e.get("i","rad")],i),n.om.set([e.get("om","rad")],i),n.wBar.set([e.get("wBar","rad")],i),n.q.set([e.get("q")],i),jn.getOrbitType(e)===St.PARABOLIC?n.a0.set([sm(e,this.options.jd||0)],i):n.M.set([rm(e,this.options.jd||0)],i);for(let a in n)n.hasOwnProperty(a)&&(n[a].needsUpdate=!0);return this.geometry.setDrawRange(0,this.particleCount),!this.addedToScene&&this.simulation&&(this.simulation.addObject(this),this.addedToScene=!0),i}hideParticle(e){let t=this.attributes;t.size.set([0],e);for(let n in t)t.hasOwnProperty(n)&&(t[n].needsUpdate=!0)}setParticleSize(e,t){let n=this.attributes;n.size.set([e],t);for(let i in n)n.hasOwnProperty(i)&&(n[i].needsUpdate=!0)}setParticleColor(e,t){let n=this.attributes,{r:i,g:s,b:a}=new $(e);n.fuzzColor.set([i,s,a],t*3);for(let o in n)n.hasOwnProperty(o)&&(n[o].needsUpdate=!0)}setParticleOrigin(e,t){this.attributes.origin.set(t,e*3),this.attributes.origin.needsUpdate=!0}update(e){let t=[],n=[];for(let i=0;i0?s[s.length-1]:"",smooth:a!==void 0?a.smooth:this.smooth,groupStart:a!==void 0?a.groupEnd:0,groupEnd:-1,groupCount:-1,inherited:!1,clone:function(l){let c={index:typeof l=="number"?l:this.index,name:this.name,mtllib:this.mtllib,smooth:this.smooth,groupStart:0,groupEnd:-1,groupCount:-1,inherited:!1};return c.clone=this.clone.bind(c),c}};return this.materials.push(o),o},currentMaterial:function(){if(this.materials.length>0)return this.materials[this.materials.length-1]},_finalize:function(i){let s=this.currentMaterial();if(s&&s.groupEnd===-1&&(s.groupEnd=this.geometry.vertices.length/3,s.groupCount=s.groupEnd-s.groupStart,s.inherited=!1),i&&this.materials.length>1)for(let a=this.materials.length-1;a>=0;a--)this.materials[a].groupCount<=0&&this.materials.splice(a,1);return i&&this.materials.length===0&&this.materials.push({name:"",smooth:this.smooth}),s}},n&&n.name&&typeof n.clone=="function"){let i=n.clone(0);i.inherited=!0,this.object.materials.push(i)}this.objects.push(this.object)},finalize:function(){this.object&&typeof this.object._finalize=="function"&&this.object._finalize(!0)},parseVertexIndex:function(e,t){let n=parseInt(e,10);return(n>=0?n-1:n+t/3)*3},parseNormalIndex:function(e,t){let n=parseInt(e,10);return(n>=0?n-1:n+t/3)*3},parseUVIndex:function(e,t){let n=parseInt(e,10);return(n>=0?n-1:n+t/2)*2},addVertex:function(e,t,n){let i=this.vertices,s=this.object.geometry.vertices;s.push(i[e+0],i[e+1],i[e+2]),s.push(i[t+0],i[t+1],i[t+2]),s.push(i[n+0],i[n+1],i[n+2])},addVertexPoint:function(e){let t=this.vertices;this.object.geometry.vertices.push(t[e+0],t[e+1],t[e+2])},addVertexLine:function(e){let t=this.vertices;this.object.geometry.vertices.push(t[e+0],t[e+1],t[e+2])},addNormal:function(e,t,n){let i=this.normals,s=this.object.geometry.normals;s.push(i[e+0],i[e+1],i[e+2]),s.push(i[t+0],i[t+1],i[t+2]),s.push(i[n+0],i[n+1],i[n+2])},addFaceNormal:function(e,t,n){let i=this.vertices,s=this.object.geometry.normals;am.fromArray(i,e),bu.fromArray(i,t),om.fromArray(i,n),sn.subVectors(om,bu),lm.subVectors(am,bu),sn.cross(lm),sn.normalize(),s.push(sn.x,sn.y,sn.z),s.push(sn.x,sn.y,sn.z),s.push(sn.x,sn.y,sn.z)},addColor:function(e,t,n){let i=this.colors,s=this.object.geometry.colors;i[e]!==void 0&&s.push(i[e+0],i[e+1],i[e+2]),i[t]!==void 0&&s.push(i[t+0],i[t+1],i[t+2]),i[n]!==void 0&&s.push(i[n+0],i[n+1],i[n+2])},addUV:function(e,t,n){let i=this.uvs,s=this.object.geometry.uvs;s.push(i[e+0],i[e+1]),s.push(i[t+0],i[t+1]),s.push(i[n+0],i[n+1])},addDefaultUV:function(){let e=this.object.geometry.uvs;e.push(0,0),e.push(0,0),e.push(0,0)},addUVLine:function(e){let t=this.uvs;this.object.geometry.uvs.push(t[e+0],t[e+1])},addFace:function(e,t,n,i,s,a,o,l,c){let u=this.vertices.length,h=this.parseVertexIndex(e,u),d=this.parseVertexIndex(t,u),f=this.parseVertexIndex(n,u);if(this.addVertex(h,d,f),this.addColor(h,d,f),o!==void 0&&o!==""){let p=this.normals.length;h=this.parseNormalIndex(o,p),d=this.parseNormalIndex(l,p),f=this.parseNormalIndex(c,p),this.addNormal(h,d,f)}else this.addFaceNormal(h,d,f);if(i!==void 0&&i!==""){let p=this.uvs.length;h=this.parseUVIndex(i,p),d=this.parseUVIndex(s,p),f=this.parseUVIndex(a,p),this.addUV(h,d,f),this.object.geometry.hasUVIndices=!0}else this.addDefaultUV()},addPointGeometry:function(e){this.object.geometry.type="Points";let t=this.vertices.length;for(let n=0,i=e.length;n{let l=this.attributes[o];s.setAttribute(o,l)}),s.boundingSphere=new Bt(new b(0,0,0),1/0);let a=new Ke({uniforms:this.uniforms,vertexShader:uv(),fragmentShader:hv(),depthTest:!0,depthWrite:!1,transparent:!0});this.shaderMaterial=a,this.geometry=s,this.particleSystem=new gi(s,a),this.particleSystem.name=this.id}addParticle(e,t={}){this.elements.push(e);let i=this.attributes,n=this.particleCount++;i.visible.set([1],n),i.size.set([t.particleSize||this.options.defaultSize||15],n);let s=new re(t.color||16777215);i.fuzzColor.set([s.r,s.g,s.b],n*3),i.origin.set([0,0,0],n*3),i.a.set([e.get("a")],n),i.e.set([e.get("e")],n),i.i.set([e.get("i","rad")],n),i.om.set([e.get("om","rad")],n),i.wBar.set([e.get("wBar","rad")],n),i.q.set([e.get("q")],n),Hn.getOrbitType(e)===It.PARABOLIC?i.a0.set([_v(e,this.options.jd||0)],n):i.M.set([xv(e,this.options.jd||0)],n);for(let a in i)i.hasOwnProperty(a)&&(i[a].needsUpdate=!0);return this.geometry.setDrawRange(0,this.particleCount),!this.addedToScene&&this.simulation&&(this.simulation.addObject(this),this.addedToScene=!0),n}hideParticle(e){this.setParticleVisibility(!1,e)}showParticle(e){this.setParticleVisibility(!0,e)}isParticleVisible(e){return e>=0&&e.5}setParticleVisibility(e,t){let 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l=="number"?l:this.index,name:this.name,mtllib:this.mtllib,smooth:this.smooth,groupStart:0,groupEnd:-1,groupCount:-1,inherited:!1};return c.clone=this.clone.bind(c),c}};return this.materials.push(o),o},currentMaterial:function(){if(this.materials.length>0)return this.materials[this.materials.length-1]},_finalize:function(n){let s=this.currentMaterial();if(s&&s.groupEnd===-1&&(s.groupEnd=this.geometry.vertices.length/3,s.groupCount=s.groupEnd-s.groupStart,s.inherited=!1),n&&this.materials.length>1)for(let a=this.materials.length-1;a>=0;a--)this.materials[a].groupCount<=0&&this.materials.splice(a,1);return n&&this.materials.length===0&&this.materials.push({name:"",smooth:this.smooth}),s}},i&&i.name&&typeof i.clone=="function"){let n=i.clone(0);n.inherited=!0,this.object.materials.push(n)}this.objects.push(this.object)},finalize:function(){this.object&&typeof this.object._finalize=="function"&&this.object._finalize(!0)},parseVertexIndex:function(e,t){let i=parseInt(e,10);return(i>=0?i-1:i+t/3)*3},parseNormalIndex:function(e,t){let i=parseInt(e,10);return(i>=0?i-1:i+t/3)*3},parseUVIndex:function(e,t){let i=parseInt(e,10);return(i>=0?i-1:i+t/2)*2},addVertex:function(e,t,i){let n=this.vertices,s=this.object.geometry.vertices;s.push(n[e+0],n[e+1],n[e+2]),s.push(n[t+0],n[t+1],n[t+2]),s.push(n[i+0],n[i+1],n[i+2])},addVertexPoint:function(e){let t=this.vertices;this.object.geometry.vertices.push(t[e+0],t[e+1],t[e+2])},addVertexLine:function(e){let t=this.vertices;this.object.geometry.vertices.push(t[e+0],t[e+1],t[e+2])},addNormal:function(e,t,i){let n=this.normals,s=this.object.geometry.normals;s.push(n[e+0],n[e+1],n[e+2]),s.push(n[t+0],n[t+1],n[t+2]),s.push(n[i+0],n[i+1],n[i+2])},addFaceNormal:function(e,t,i){let 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m=this.normals.length;u=this.parseNormalIndex(o,m),d=this.parseNormalIndex(l,m),f=this.parseNormalIndex(c,m),this.addNormal(u,d,f)}else this.addFaceNormal(u,d,f);if(n!==void 0&&n!==""){let m=this.uvs.length;u=this.parseUVIndex(n,m),d=this.parseUVIndex(s,m),f=this.parseUVIndex(a,m),this.addUV(u,d,f),this.object.geometry.hasUVIndices=!0}else this.addDefaultUV()},addPointGeometry:function(e){this.object.geometry.type="Points";let t=this.vertices.length;for(let i=0,n=e.length;i=7?t.colors.push(parseFloat(f[4]),parseFloat(f[5]),parseFloat(f[6])):t.colors.push(void 0,void 0,void 0);break;case"vn":t.normals.push(parseFloat(f[1]),parseFloat(f[2]),parseFloat(f[3]));break;case"vt":t.uvs.push(parseFloat(f[1]),parseFloat(f[2]));break}}else if(s==="f"){let p=i.substr(1).trim().split(/\s+/),v=[];for(let g=0,m=p.length;g0){let y=b.split("/");v.push(y)}}let x=v[0];for(let g=1,m=v.length-1;g1){let p=o[1].trim().toLowerCase();t.object.smooth=p!=="0"&&p!=="off"}else t.object.smooth=!0;let f=t.object.currentMaterial();f&&(f.smooth=t.object.smooth)}else{if(i==="\0")continue;console.warn('THREE.OBJLoader: Unexpected line: "'+i+'"')}t.finalize();let c=new En;if(c.materialLibraries=[].concat(t.materialLibraries),!(t.objects.length===1&&t.objects[0].geometry.vertices.length===0)===!0)for(let h=0,d=t.objects.length;h0&&b.setAttribute("normal",new ce(p.normals,3)),p.colors.length>0&&(m=!0,b.setAttribute("color",new ce(p.colors,3))),p.hasUVIndices===!0&&b.setAttribute("uv",new ce(p.uvs,2));let y=[];for(let _=0,w=v.length;_1){for(let _=0,w=v.length;_0){let h=new Xt({size:1,sizeAttenuation:!1}),d=new de;d.setAttribute("position",new ce(t.vertices,3)),t.colors.length>0&&t.colors[0]!==void 0&&(d.setAttribute("color",new ce(t.colors,3)),h.vertexColors=!0);let f=new Ot(d,h);c.add(f)}return c}};var nE=30;function iE(r,e,t){let n=new A(r[0],r[1],r[2]);return n.project(e),{x:(n.x+1)*t.clientWidth/2,y:(-n.y+1)*t.clientHeight/2}}var ms=class{constructor(e,t,n,i=!0){this._id=e,this._options=t||{},this._object3js=void 0,this._useEphemTable=this._options.ephemTable!==void 0,this._isStaticObject=!this._options.ephem&&!this._useEphemTable,this._simulation=n,this._context=n.getContext(),this._label=void 0,this._showLabel=!1,this._lastLabelUpdate=0,this._position=xn(this._options.position||[0,0,0]),this._orbitAround=void 0,this._scale=this._options.scale||[1,1,1],this._renderMethod=void 0,this._particleIndex=void 0,this._initialized=!1,i&&!this.init()&&console.warn(`SpaceObject ${e}: failed to initialize`)}init(){if(this.renderObject(),this._options.labelText){let e=this.createLabel();this._simulation.getSimulationElement().appendChild(e),this._label=e,this._showLabel=!0}return this._orbitPath=void 0,this._eclipticLines=void 0,this.update(this._simulation.getJd(),!0),this._initialized=!0,!0}setPositionedObject(e){this._object3js=e}renderObject(){if(this.isStaticObject())this._renderMethod||(this._object3js=this.createSprite(),this._simulation&&this._simulation.addObject(this,!1),this._renderMethod="SPRITE");else if(this._orbit=this.createOrbit(),!this._options.hideOrbit&&this._simulation&&this._simulation.addObject(this,!1),this._useEphemTable&&(this._renderMethod||(this._object3js=this.createSprite(),this._simulation&&this._simulation.addObject(this,!0),this._renderMethod="SPRITE")),!this._renderMethod){if(!this._options.ephem)throw new Error("Attempting to create a particle system, but ephemeris are not available.");this._particleIndex=this._context.objects.particles.addParticle(this._options.ephem,{particleSize:this._options.particleSize,color:this.getColor()}),this._renderMethod="PARTICLESYSTEM"}}createLabel(){let e=document.createElement("div");e.className="spacekit__object-label";let{labelText:t,labelUrl:n}=this._options;return this._options.labelUrl?e.innerHTML=``:e.innerHTML=`
${t}
`,e.style.fontFamily="Arial",e.style.fontSize="12px",e.style.color="#fff",e.style.position="absolute",e.style.backgroundColor="#0009",e.style.outline="1px solid #5f5f5f",e}updateLabelPosition(e){if(!this._label)throw new Error("Attempted to update label position without a label");let t=this._label,n=this._simulation.getSimulationElement(),i=iE(e,this._simulation.getViewer().get3jsCamera(),n),s={left:i.x,top:i.y,right:i.x+t.clientWidth,bottom:i.y+t.clientHeight};s.left-30>0&&s.right+200&&s.bottomnE;(t||this._showLabel&&u)&&(n||(n=this.getPosition(e)),this.updateLabelPosition(n),this._lastLabelUpdate=+new Date)}if(this.isStaticObject()&&!t)return;let i=!1;(this._object3js||this._label)&&(i=t||this.shouldUpdateObjectPosition(e)),this._object3js&&i&&(n=this.getPosition(e),this._object3js.position.set(n[0],n[1],n[2]));let s=!this._orbitPath||((o=this._orbit)==null?void 0:o.needsUpdateForTime(e));this._orbit&&!this._options.hideOrbit&&s&&(this._orbitPath&&this._simulation.getScene().remove(this._orbitPath),this._orbitPath=this._orbit.getOrbitShape(e,!0),this._simulation.getScene().add(this._orbitPath));let a=!this._eclipticLines||s;if(this._orbit&&this._options.ecliptic&&this._options.ecliptic.displayLines&&a&&(this._eclipticLines&&this._simulation.getScene().remove(this._eclipticLines),this._eclipticLines=this._orbit.getLinesToEcliptic(),this._simulation.getScene().add(this._eclipticLines)),this._orbitAround){let u=this._orbitAround.getPosition(e);this._renderMethod==="PARTICLESYSTEM"&&((l=this._context.objects.particles)==null||l.setParticleOrigin(this._particleIndex,u)),this._options.hideOrbit||(c=this._orbitPath)==null||c.position.set(u[0],u[1],u[2]),n||(n=this.getPosition(e))}}get3jsObjects(){let e=[];return this._object3js&&e.push(this._object3js),this._orbit&&(this._orbitPath&&e.push(this._orbitPath),this._eclipticLines&&e.push(this._eclipticLines)),e}getBoundingObject(){return qt(this,null,function*(){return Promise.resolve(this.get3jsObjects()[0])})}getColor(){return this._options.theme&&this._options.theme.color||16777215}getOrbit(){return this._orbit}getLabelVisibility(){return this._showLabel}setLabelVisibility(e){if(!this._label)throw new Error("Attempted to set label visibility without a label");e?(this._showLabel=!0,this._label.style.display="block"):(this._showLabel=!1,this._label.style.display="none")}getId(){return this._id}isStaticObject(){return this._isStaticObject}isReady(){return this._initialized}removalCleanup(){var e;this._label&&(this._simulation.getSimulationElement().removeChild(this._label),this._label=void 0),this._particleIndex!==void 0&&((e=this._context)==null||e.objects.particles.hideParticle(this._particleIndex))}},Dn="{{assets}}/sprites/smallparticle.png",rE={SUN:{textureUrl:"{{assets}}/sprites/lensflare0.png",position:[0,0,0]},MERCURY:{textureUrl:Dn,theme:{color:9518318},ephem:rn.MERCURY},VENUS:{textureUrl:Dn,theme:{color:16742195},ephem:rn.VENUS},EARTH:{textureUrl:Dn,theme:{color:39629},ephem:rn.EARTH},MOON:{textureUrl:Dn,theme:{color:16766720},ephem:rn.MOON,particleSize:6},MARS:{textureUrl:Dn,theme:{color:10893882},ephem:rn.MARS},JUPITER:{textureUrl:Dn,theme:{color:16759055},ephem:rn.JUPITER},SATURN:{textureUrl:Dn,theme:{color:3368499},ephem:rn.SATURN},URANUS:{textureUrl:Dn,theme:{color:39423},ephem:rn.URANUS},NEPTUNE:{textureUrl:Dn,theme:{color:3355647},ephem:rn.NEPTUNE},PLUTO:{textureUrl:Dn,theme:{color:13418672},ephem:rn.PLUTO}};function Eu(r,e,t){let n=new Ke({linewidth:3,color:t}),i=new de().setFromPoints([fu(r).clone(),fu(e).clone()]),s=new kt(i,n);return s.computeLineDistances(),s}function sE(){return[Eu(new A(0,0,0),new A(3,0,0),16711680),Eu(new A(0,0,0),new A(0,3,0),65280),Eu(new A(0,0,0),new A(0,0,3),255)]}var gs=class extends ms{constructor(e,t,n,i=!0){super(e,t,n,!1);this._obj=new _e,this._renderMethod="ROTATING_OBJECT",super.setPositionedObject(this._obj),this._objectIsRotatable=!1,this._options.rotation&&(this._objectIsRotatable=!0),this._axisOfRotation=void 0,this._materials=[],i&&this.init()}init(){if(this._objectIsRotatable&&this.initRotation(),this._options.debug&&(this._options.debug.showAxes&&sE().forEach(e=>this._obj.add(e)),this._options.debug.showGrid)){let e=new ar(3,3,16711680,16772846);e.geometry.rotateX(Math.PI/2),this._obj.add(e)}return super.init()}initRotation(){if(!this._options.rotation)throw new Error("Must specify `rotation` option when creating a RotatingObject");let{rotation:e}=this._options;if(typeof e.jd0=="undefined")return;let{PI:t}=Math,n=st.rad(e.lambdaDeg||0),i=st.rad(e.betaDeg||0),s=e.period,a=e.yorp||0,o=st.rad(e.phi0||0),l=this._simulation.getJd(),c=e.jd0,u=o+2*t/s*(l-c)+1/2*a*Math.pow(l-c,2);this._obj.rotateY(-(t/2-i)),this._obj.rotateZ(-n),this._obj.rotateZ(u)}update(e,t=!1){if(this._obj&&this._objectIsRotatable&&this._options.rotation&&this._options.rotation.enable){let n=this._options.rotation.speed||.5;this._obj.rotation.z+=n*(Math.PI/180),this._obj.rotation.z%=360}this._axisOfRotation,super.update(e,t)}get3jsObjects(){let e=super.get3jsObjects();return e.unshift(this._obj),e}startRotation(){if(!this._options.rotation)throw new Error("Must specify `rotation` option when creating a RotatingObject");this._options.rotation.enable=!0}stopRotation(){if(!this._options.rotation)throw new Error("Must specify `rotation` option when creating a RotatingObject");this._options.rotation.enable=!1}};var $o=class extends gs{constructor(e,t,n){super(e,t,n,!1);var s;if(!t.shape)throw new Error("ShapeObject requires an options.shape object");if(!((s=t.shape)==null?void 0:s.shapeUrl))throw new Error("Must specify shape.shapeUrl when creating a ShapeObject");this.shapeObj=void 0;let i=new as;i.onProgress=(a,o,l)=>{console.info(this._id,a,"loading progress:",o,"/",l)},this.loadingPromise=new Promise(a=>{new Au(i).load(t.shape.shapeUrl,l=>{l.traverse(c=>{if(c instanceof ze){let u=new Ji({color:this._options.shape.color||13421772});c.material=u,c.geometry.scale(.05,.05,.05),this._materials.push(u)}}),this.shapeObj=l,this._obj.add(l),this._simulation&&this._simulation.addObject(this,!1),this._initialized=!0,a(this.shapeObj)})}),super.init()}getBoundingObject(){return qt(this,null,function*(){return this.loadingPromise})}};var el=class{constructor(e,t){this.options=e,this.id=`__skybox_${new Date().getTime()}`,this.simulation=t,this.context=t.getContext(),this.mesh=void 0,this.init()}init(){let e=new Kt(1e10,32,32),t=fa(this.options.textureUrl,this.context.options.basePath),n=new en().load(t),i=new zt({map:n,side:Qe}),s=new ze(e,i);s.rotation.x=0,s.rotation.y=-1/12*Math.PI,s.rotation.z=8/5*Math.PI,s.scale.set(-1,1,1),this.mesh=s,this.simulation&&this.simulation.addObject(this,!0)}get3jsObjects(){return this.mesh?[this.mesh]:[]}getId(){return this.id}update(){}},aE={ESO_GIGAGALAXY:{textureUrl:"{{assets}}/skybox/eso_milkyway.jpg"},ESO_LITE:{textureUrl:"{{assets}}/skybox/eso_lite.png"},NASA_TYCHO:{textureUrl:"{{assets}}/skybox/nasa_tycho.jpg"}};var tl=class extends gs{constructor(e,t,n){super(e,t,n,!1);this.init()}init(){var s;let e=null;this._options.textureUrl&&(e=new en().load(this._options.textureUrl));let t=new kr,n=this._options.levelsOfDetail||[{radii:0,segments:64}],i=this.getScaledRadius();for(let a=0;a=3e4?9614847:r>=1e4?10666239:r>=7500?14016767:r>=6e3?16381439:r>=5200?16772579:r>=3700?16767669:(r>=2400,16758124)}function uE(r,e){return r<2?e*4:r<4?e*2:r<6?e:1}var ma=class{constructor(e,t){this._options=e,this._id=`__stars_${new Date().getTime()}`,this._simulation=t,this._context=t.getContext(),this._stars=void 0,this.init()}init(){let e=da("{{data}}/processed/bsc.json",this._context.options.basePath);fetch(e).then(t=>t.json()).then(t=>{let n=t.length,i=new de,s=new Float32Array(n*3),a=new Float32Array(n*3),o=new Float32Array(n);i.setAttribute("position",new pe(s,3)),i.setAttribute("color",new pe(a,3)),i.setAttribute("size",new pe(o,1)),t.forEach((c,u)=>{let[h,d,f,p]=c,v=st.rad(st.hoursToDeg(h)),x=st.rad(d),g=hs.sphericalToCartesian(v,x,1e9),m=hs.equatorialToEcliptic_Cartesian(g[0],g[1],g[2],hs.getObliquity());s.set(m,u*3);let b=new $(cE(f));a.set(b.toArray(),u*3),o[u]=uE(p,this._options.minSize||3)});let l=new Ye({uniforms:{},vertexColors:!0,vertexShader:Ko,fragmentShader:Jo,transparent:!0});this._stars=new Ot(i,l),this._simulation&&this._simulation.addObject(this,!0)})}get3jsObjects(){return this._stars?[this._stars]:[]}getId(){return this._id}update(){}};var cm=class{constructor(e,t){this.simulationElt=e,this.options=t||{},this.options.basePath=this.options.basePath||Rp(),this.jd=typeof this.options.jd=="undefined"?Number((0,il.default)(this.options.startDate||new Date)):this.options.jd,this.jdDelta=this.options.jdDelta,this.jdPerSecond=this.options.jdPerSecond||100,this.isPaused=t.startPaused||!1,this.onTick=void 0,this.enableCameraDrift=!1,this.cameraDefaultPos=xn([0,-10,5]),this.options.camera&&(this.enableCameraDrift=!!this.options.camera.enableDrift,this.options.camera.initialPosition&&(this.cameraDefaultPos=xn(this.options.camera.initialPosition))),this.useLightSources=!1,this.lightPosition=void 0,this.subscribedObjects={},_e.DefaultUp=new A(0,0,1),this.options.unitsPerAu&&Cp(this.options.unitsPerAu),this.stats=void 0,this.fps=1,this.lastUpdatedTime=Date.now(),this.lastStaticCameraUpdateTime=Date.now(),this.lastResizeUpdateTime=Date.now(),this.renderEnabled=!0,this.initialRenderComplete=!1,this.animate=this.animate.bind(this),this.renderer=this.initRenderer(),this.scene=new mn,this.camera=new jo(this.getContext()),this.composer=void 0,this.particles=new cr({textureUrl:this.options.particleTextureUrl||"{{assets}}/sprites/smallparticle.png",jd:this.jd,maxNumParticles:this.options.maxNumParticles,defaultSize:this.options.particleDefaultSize},this),this.init(),this.animate()}init(){if(this.camera.get3jsCamera().position.set(this.cameraDefaultPos[0],this.cameraDefaultPos[1],this.cameraDefaultPos[2]),this.simulationElt.onmousedown=this.simulationElt.ontouchstart=()=>{this.enableCameraDrift=!1},(()=>{let e=!1;this.camera.get3jsCameraControls().addEventListener("change",()=>{e&&this.staticForcedUpdate()}),setTimeout(()=>{this.staticForcedUpdate(),e=!0,this.initialRenderComplete=!0},0)})(),this.simulationElt.addEventListener("resize",()=>{this.resizeUpdate()}),window.addEventListener("resize",()=>{this.resizeUpdate()}),this.options.debug){if(this.options.debug.showGrid){let e=new ar(void 0,void 0);e.geometry.rotateX(Math.PI/2),this.scene.add(e)}this.options.debug.showAxes&&this.scene.add(new ha(.5)),this.options.debug.showStats&&(this.stats=new Hp,this.stats.showPanel(0),this.simulationElt.appendChild(this.stats.dom))}this.initPasses()}initRenderer(){let e=new Ys({antialias:!0});console.info("Max texture resolution:",e.capabilities.maxTextureSize);let t=e.capabilities.getMaxPrecision("highp");return t!=="highp"&&console.warn(`Shader maximum precision is "${t}", GPU rendering may not be accurate.`),e.setPixelRatio(window.devicePixelRatio),e.setSize(this.simulationElt.offsetWidth,this.simulationElt.offsetHeight),this.simulationElt.appendChild(e.domElement),e}initPasses(){let e=this.camera.get3jsCamera(),t=new qp({width:240,height:240,luminanceThreshold:.2});t.blendMode.opacity.value=2.3;let n=new Yp(this.scene,e);n.renderToScreen=!1;let i=new Xp(e,t);i.renderToScreen=!0;let s=new Qp(this.renderer);s.addPass(n),s.addPass(i),this.composer=s}update(e=!1){for(let t in this.subscribedObjects)this.subscribedObjects.hasOwnProperty(t)&&this.subscribedObjects[t].update(this.jd,e)}staticForcedUpdate(){if(this.isPaused){let e=Date.now();e-this.lastStaticCameraUpdateTime>30&&(this.update(!0),this.lastStaticCameraUpdateTime=e)}}resizeUpdate(){let e=Date.now();if(e-this.lastResizeUpdateTime>30){let i=this.simulationElt.offsetWidth,s=this.simulationElt.offsetHeight;if(i===0&&s===0)return;let a=this.camera.get3jsCamera();a.aspect=i/s,a.updateProjectionMatrix(),this.renderer.setSize(i,s),this.staticForcedUpdate(),this.lastResizeUpdateTime=e}}doCameraDrift(){let e=1e-4*Date.now(),t=this.cameraDefaultPos,n=this.camera.get3jsCamera();n.position.x=t[0]+t[0]*(Math.cos(e)+1)/3,n.position.z=t[2]+t[2]*(Math.sin(e)+1)/3}animate(){if(!(!this.renderEnabled&&this.initialRenderComplete)){if(window.requestAnimationFrame(this.animate),this.stats&&this.stats.begin(),!this.isPaused){this.jdDelta?this.jd+=this.jdDelta:this.jd+=this.jdPerSecond/this.fps;let e=(Date.now()-this.lastUpdatedTime)/1e3;this.lastUpdatedTime=Date.now(),this.fps=1/e||1,this.update()}this.enableCameraDrift&&this.doCameraDrift(),this.camera.update(),this.renderer.render(this.scene,this.camera.get3jsCamera()),this.onTick&&this.onTick(),this.stats&&this.stats.end()}}addObject(e,t=!1){if(e.get3jsObjects().map(n=>{this.scene.add(n)}),!t){let n=e.getId();this.subscribedObjects[n]&&console.error(`Object id is not unique: "${n}". This could prevent objects from updating correctly.`),this.subscribedObjects[n]=e}}removeObject(e){e.get3jsObjects().map(t=>{this.scene.remove(t)}),typeof e.removalCleanup=="function"&&e.removalCleanup(),delete this.subscribedObjects[e.getId()]}createObject(...e){return new ms(...e,this)}createShape(...e){return new $o(...e,this)}createSphere(...e){return new tl(...e,this)}createStaticParticles(...e){return new nl(...e,this)}createSkybox(...e){return new el(...e,this)}createStars(...e){return e.length?new ma(...e,this):new ma({},this)}createAmbientLight(e=3355443){this.scene.add(new cs(e)),this.useLightSources=!0}createLight(e=void 0,t=16777215){this.lightPosition&&console.warn("Spacekit doesn't support more than one light source for SphereObjects"),this.lightPosition=new A;let n=new ls;if(typeof e=="undefined")this.camera.get3jsCameraControls().addEventListener("change",()=>{this.lightPosition.copy(this.camera.get3jsCamera().position),n.position.copy(this.camera.get3jsCamera().position)});else{let i=xn(e);this.lightPosition.set(i[0],i[1],i[2]),n.position.set(i[0],i[1],i[2])}this.scene.add(n),this.useLightSources=!0}getLightPosition(){return this.lightPosition}isUsingLightSources(){return this.useLightSources}loadNaturalSatellites(){return new Qo(this).load()}renderOnlyInViewport(){let e=!0,t=()=>{let n=this.simulationElt.getBoundingClientRect(),i=window.innerHeight||document.documentElement.clientHeight,s=window.innerWidth||document.documentElement.clientWidth,a=n.top<=i&&n.top+n.height>=0,o=n.left<=s&&n.left+n.width>=0;return a&&o};window.addEventListener("scroll",()=>{let n=t();e&&!n?(this.renderEnabled=!1,e=!1):!e&&n&&(this.renderEnabled=!0,window.requestAnimationFrame(this.animate),e=!0)}),t()||(this.renderEnabled=!1,e=!1)}zoomToFit(e,t=3){return qt(this,null,function*(){let n=e.getOrbit(),i=n?n.getOrbitShape():yield e.getBoundingObject();return i?(this.doZoomToFit(i,t),!0):!1})}doZoomToFit(e,t){let n=new Bt;n.setFromObject(e);let i=new A;n.getCenter(i);let s=new A;n.getSize(s);let a=this.camera.get3jsCamera(),o=Math.max(s.x,s.y,s.z),l=a.fov*(Math.PI/180),c=Math.abs(o/2*Math.tan(l*2))*t,u=new A;e.getWorldPosition(u);let f=a.position.sub(u).normalize().multiplyScalar(c);a.position.x=f.x,a.position.y=f.y,a.position.z=f.z,a.updateProjectionMatrix(),this.cameraDefaultPos=[f.x,f.y,f.z]}start(){this.lastUpdatedTime=Date.now(),this.isPaused=!1}stop(){this.isPaused=!0}getJd(){return this.jd}setJd(e){this.jd=e,this.update(!0)}getDate(){return il.default.toDate(this.jd)}setDate(e){this.setJd(Number((0,il.default)(e)))}getJdDelta(){return this.jdDelta?this.jdDelta:this.jdPerSecond/this.fps}setJdDelta(e){this.jdDelta=e}getJdPerSecond(){if(!this.jdDelta)return this.jdPerSecond}setJdPerSecond(e){this.jdDelta=void 0,this.jdPerSecond=e}getContext(){return{simulation:this,options:this.options,objects:{particles:this.particles,camera:this.camera,scene:this.scene,renderer:this.renderer,composer:this.composer},container:{width:this.simulationElt.offsetWidth,height:this.simulationElt.offsetHeight}}}getSimulationElement(){return this.simulationElt}getViewer(){return this.camera}getScene(){return this.scene}getRenderer(){return this.renderer}setCameraDrift(e){this.enableCameraDrift=e}};var hE=lu; +`)!==-1&&(e=e.replace(/\\\n/g,""));let i=e.split(` +`),n=[];for(let o=0,l=i.length;o=7?(Ah.setRGB(parseFloat(u[4]),parseFloat(u[5]),parseFloat(u[6]),Oe),t.colors.push(Ah.r,Ah.g,Ah.b)):t.colors.push(void 0,void 0,void 0);break;case"vn":t.normals.push(parseFloat(u[1]),parseFloat(u[2]),parseFloat(u[3]));break;case"vt":t.uvs.push(parseFloat(u[1]),parseFloat(u[2]));break}}else if(h==="f"){let d=c.slice(1).trim().split(yv),f=[];for(let v=0,g=d.length;v0){let y=p.split("/");f.push(y)}}let m=f[0];for(let v=1,g=f.length-1;v1){let d=n[1].trim().toLowerCase();t.object.smooth=d!=="0"&&d!=="off"}else t.object.smooth=!0;let u=t.object.currentMaterial();u&&(u.smooth=t.object.smooth)}else{if(c==="\0")continue;console.warn('THREE.OBJLoader: Unexpected line: "'+c+'"')}}t.finalize();let s=new un;if(s.materialLibraries=[].concat(t.materialLibraries),!(t.objects.length===1&&t.objects[0].geometry.vertices.length===0)===!0)for(let o=0,l=t.objects.length;o0&&v.setAttribute("normal",new me(h.normals,3)),h.colors.length>0&&(m=!0,v.setAttribute("color",new me(h.colors,3))),h.hasUVIndices===!0&&v.setAttribute("uv",new me(h.uvs,2));let g=[];for(let y=0,x=u.length;y1){for(let y=0,x=u.length;y0){let o=new dn({size:1,sizeAttenuation:!1}),l=new we;l.setAttribute("position",new me(t.vertices,3)),t.colors.length>0&&t.colors[0]!==void 0&&(l.setAttribute("color",new me(t.colors,3)),o.vertexColors=!0);let c=new gi(l,o);s.add(c)}return s}};var ZM=30;function QM(r,e,t){let i=new b(r[0],r[1],r[2]);return i.project(e),{x:(i.x+1)*t.clientWidth/2,y:(-i.y+1)*t.clientHeight/2}}var Aa=class{constructor(e,t,i,n=!0){this._id=e,this._options=t||{},this._object3js=void 0,this._useEphemTable=this._options.ephemTable!==void 0,this._isStaticObject=!this._options.ephem&&!this._useEphemTable,this._simulation=i,this._context=i.getContext(),this._materials=[],this._geometries=[],this._textures=[],this._label=void 0,this._showLabel=!1,this._lastLabelUpdate=0,this._position=en(this._options.position||[0,0,0]),this._orbitAround=void 0,this._scale=this._options.scale||[1,1,1],this._renderMethod=void 0,this._particleIndex=void 0,this._initialized=!1,n&&!this.init()&&console.warn(`SpaceObject ${e}: failed to initialize`)}init(){if(this.renderObject(),this._options.labelText){let e=this.createLabel();this._simulation.getSimulationElement().appendChild(e),this._label=e,this._showLabel=!0}return this._orbitPath=void 0,this._eclipticLines=void 0,this.update(this._simulation.getJd(),!0),this._initialized=!0,!0}renderObject(){let e=!0;this.isStaticObject()||(this._orbit=this.createOrbit()),this._renderMethod||(this.isStaticObject()?(this._object3js=this.createSprite(),this._object3js.name=`${this._id}-sprite`,this._renderMethod="SPRITE"):this._useEphemTable?(this._object3js=this.createSprite(),this._object3js.name=`${this._id}-sprite`,this._renderMethod="SPRITE"):(this.addParticle(),this._renderMethod="PARTICLESYSTEM",e=!1)),e&&this._simulation.getObject(this._id)===void 0&&this._simulation.addObject(this,!1)}addParticle(){if(!this._options.ephem)throw new Error("Attempting to create a particle system, but ephemeris are not available.");this._particleIndex=this._context.objects.particles.addParticle(this._options.ephem,{particleSize:this._options.particleSize,color:this.getColor()})}createLabel(){let e=document.createElement("div");e.className="spacekit__object-label";let{labelText:t,labelUrl:i}=this._options;return this._options.labelUrl?e.innerHTML=``:e.innerHTML=`
${t}
`,e.style.fontFamily="Arial",e.style.fontSize="12px",e.style.color="#fff",e.style.position="absolute",e.style.backgroundColor="#0009",e.style.outline="1px solid #5f5f5f",e}updateLabelPosition(e){if(!this._label)throw new Error("Attempted to update label position without a label");let t=this._label,i=this._simulation.getSimulationElement(),n=QM(e,this._simulation.getViewer().get3jsCamera(),i),s={left:n.x,top:n.y,right:n.x+t.clientWidth,bottom:n.y+t.clientHeight};s.left-30>0&&s.right+200&&s.bottomZM;(t||this._showLabel&&d)&&(i||(i=this.getPosition(e)),this.updateLabelPosition(i),this._lastLabelUpdate=+new Date)}if(this.isStaticObject()&&!t)return;let n=!1;(this._object3js||this._label)&&(n=t||this.shouldUpdateObjectPosition(e)),this._object3js&&n&&(i=this.getPosition(e),this._object3js.position.set(i[0],i[1],i[2]));let s=!this._orbitPath||((o=this._orbit)==null?void 0:o.needsUpdateForTime(e));this._orbit&&!this._options.hideOrbit&&s&&(this._orbitPath&&this._simulation.getScene().remove(this._orbitPath),this._orbitPath=this._orbit.getOrbitShape(e,!0,this._orbitAround),this._orbitPath.name=`${this._id}-orbit`,this._simulation.getScene().add(this._orbitPath));let a=!this._eclipticLines||s;if(this._orbit&&this._options.ecliptic&&this._options.ecliptic.displayLines&&a&&(this._eclipticLines&&this._simulation.getScene().remove(this._eclipticLines),this._eclipticLines=this._orbit.getLinesToEcliptic(),this._eclipticLines.name=`${this._id}-orbit-ec-lines`,this._simulation.getScene().add(this._eclipticLines)),this._orbitAround){let d=this._orbitAround.getPosition(e);this._particleIndex!==void 0&&((l=this._context.objects.particles)==null||l.setParticleOrigin(this._particleIndex,d)),!this._options.hideOrbit&&!((c=this._orbit)==null?void 0:c.isHeliocentric())&&((h=this._orbitPath)==null||h.position.set(d[0],d[1],d[2]),(u=this._eclipticLines)==null||u.position.set(d[0],d[1],d[2]))}}get3jsObjects(){let e=[];return this._object3js&&e.push(this._object3js),this._orbit&&(this._orbitPath&&e.push(this._orbitPath),this._eclipticLines&&e.push(this._eclipticLines)),e}getBoundingObject(){return ui(this,null,function*(){return Promise.resolve(this.get3jsObjects()[0])})}getColor(){return this._options.theme&&this._options.theme.color||16777215}getOrbit(){return this._orbit}getLabelVisibility(){return this._showLabel}getLabelElement(){return this._label}setLabelVisibility(e){if(!this._label)throw new Error("Attempted to set label visibility without a label");e?(this._showLabel=!0,this._label.style.display="block"):(this._showLabel=!1,this._label.style.display="none")}getId(){return this._id}isStaticObject(){return this._isStaticObject}isReady(){return this._initialized}setVisibility(e){var t;this.get3jsObjects().forEach(i=>{i.visible=e}),this._particleIndex!==void 0&&((t=this._context)==null||t.objects.particles.setParticleVisibility(e,this._particleIndex)),this.setLabelVisibility(e)}isVisible(){var t;let e=this.get3jsObjects().some(i=>i.visible);return this._particleIndex!==void 0&&(e=e||((t=this._context)==null?void 0:t.objects.particles.isParticleVisible(this._particleIndex))),e=e||this._showLabel,e}removalCleanup(){var e,t,i,n;this._label&&(this._simulation.getSimulationElement().removeChild(this._label),this._label=void 0),this._particleIndex!==void 0&&((e=this._context)==null||e.objects.particles.hideParticle(this._particleIndex),((t=this._context)==null?void 0:t.objects.particles.isVisible())||this._simulation.removeObject((i=this._context)==null?void 0:i.objects.particles)),(n=this._orbit)==null||n.removalCleanup(),this._geometries.forEach(s=>{s.dispose()}),this._materials.forEach(s=>{s.dispose()}),this._textures.forEach(s=>{s.dispose()})}},Ri="{{assets}}/sprites/smallparticle.png",KM={SUN:{textureUrl:"{{assets}}/sprites/lensflare0.png",position:[0,0,0],radius:.5},MERCURY:{textureUrl:Ri,theme:{color:9518318},ephem:Vi.MERCURY},VENUS:{textureUrl:Ri,theme:{color:16742195},ephem:Vi.VENUS},EARTH:{textureUrl:Ri,theme:{color:39629},ephem:Vi.EARTH},MOON:{textureUrl:Ri,theme:{color:16766720},ephem:Vi.MOON,particleSize:6},MARS:{textureUrl:Ri,theme:{color:10893882},ephem:Vi.MARS},JUPITER:{textureUrl:Ri,theme:{color:16759055},ephem:Vi.JUPITER},SATURN:{textureUrl:Ri,theme:{color:3368499},ephem:Vi.SATURN},URANUS:{textureUrl:Ri,theme:{color:39423},ephem:Vi.URANUS},NEPTUNE:{textureUrl:Ri,theme:{color:3355647},ephem:Vi.NEPTUNE},PLUTO:{textureUrl:Ri,theme:{color:13418672},ephem:Vi.PLUTO}};function If(r,e,t){let i=new _t({linewidth:3,color:t}),n=new we().setFromPoints([Af(r).clone(),Af(e).clone()]),s=new mi(n,i);return s.computeLineDistances(),s}function JM(){return[If(new b(0,0,0),new b(3,0,0),16711680),If(new b(0,0,0),new b(0,3,0),65280),If(new b(0,0,0),new b(0,0,3),255)]}var Sa=class extends Aa{constructor(e,t,i,n=!0){super(e,t,i,!1);this._obj=new Xe,this._obj.name=`${this._id}-rot-obj`,this._renderMethod="ROTATING_OBJECT",super.setPositionedObject(this._obj),this._objectIsRotatable=!!this._options.rotation,this._axisOfRotation=void 0,n&&this.init()}init(){if(this._objectIsRotatable&&this.initRotation(),this._options.debug&&(this._options.debug.showAxes&&JM().forEach(e=>{this._materials.push(e.material),this._geometries.push(e.geometry),this._obj.add(e)}),this._options.debug.showGrid)){let e=new jr(3,3,16711680,16772846);e.geometry.rotateX(Math.PI/2),this._materials.push(e.material),this._geometries.push(e.geometry),this._obj.add(e)}return super.init()}initRotation(){if(!this._options.rotation)throw new Error("Must specify `rotation` option when creating a RotatingObject");let{rotation:e}=this._options;if(typeof e.jd0=="undefined")return;let t=yt.rad(e.lambdaDeg||0),i=yt.rad(e.betaDeg||0),n=this._simulation.getJd(),s=this._z_rotation(n);typeof s!="undefined"&&(this._obj.rotateZ(Math.PI/2+t),this._obj.rotateX(Math.PI/2-i),this._obj.rotateZ(s))}_z_rotation(e){if(typeof this._options.rotation=="undefined")return;let{period:t,yorp:i,phi0:n,jd0:s}=this._options.rotation;if(typeof s!="undefined")return(yt.rad(n||0)+2*Math.PI/t*(e-s)+1/2*(i||0)*Math.pow(e-s,2))%(2*Math.PI)}update(e,t=!1){if(this._obj&&this._objectIsRotatable&&this._options.rotation&&this._options.rotation.enable)if(this._axisOfRotation,this._options.rotation.speed)this._obj.rotateZ(yt.rad(this._options.rotation.speed));else{let i=this._z_rotation(e);typeof i!="undefined"&&(this._obj.rotation.z=i)}super.update(e,t)}get3jsObjects(){return super.get3jsObjects()}startRotation(){if(!this._options.rotation)throw new Error("Must specify `rotation` option when creating a RotatingObject");this._options.rotation.enable=!0}stopRotation(){if(!this._options.rotation)throw new Error("Must specify `rotation` option when creating a RotatingObject");this._options.rotation.enable=!1}};var Sh=class extends Sa{constructor(e,t,i){super(e,t,i,!1);var s;if(!t.shape)throw new Error("ShapeObject requires an options.shape object");if(!((s=t.shape)==null?void 0:s.shapeUrl))throw new Error("Must specify shape.shapeUrl when creating a ShapeObject");this.shapeObj=void 0;let n=new zr;n.onProgress=(a,o,l)=>{console.info(this._id,a,"loading progress:",o,"/",l)},this.loadingPromise=new Promise(a=>{new Pf(n).load(t.shape.shapeUrl,l=>{l.traverse(c=>{if(c instanceof tt){let h=new Ur({color:this._options.shape.color||13421772});c.material=h,c.geometry.scale(.05,.05,.05),this._geometries.push(c.geometry),this._materials.push(h),h.map&&this._textures.push(h.map)}}),l.name=`${this._id}-shape-obj`,this.shapeObj=l,this._obj.add(l),this._simulation&&this._simulation.addObject(this,!1),this._initialized=!0,a(this.shapeObj)})}),super.init()}getBoundingObject(){return ui(this,null,function*(){return this.loadingPromise})}};var Eh=class{constructor(e,t){this.options=e,this.id=`__skybox_${new Date().getTime()}`,this.simulation=t,this.context=t.getContext(),this.mesh=void 0,this.init()}init(){let e=new Gi(1e10,32,32),t=$r(this.options.textureUrl,this.context.options.basePath),i=new wi().load(t);i.colorSpace=Oe;let n=new li({map:i,side:At}),s=new tt(e,n);s.name=this.id,s.rotation.x=0,s.rotation.y=-1/12*Math.PI,s.rotation.z=8/5*Math.PI,s.scale.set(-1,1,1),this.mesh=s,this.simulation&&this.simulation.addObject(this,!0)}get3jsObjects(){return this.mesh?[this.mesh]:[]}getId(){return this.id}update(){}isVisible(){var e,t;return(t=(e=this.mesh)==null?void 0:e.visible)!=null?t:!1}setVisibility(e){this.mesh&&(this.mesh.visible=e)}removalCleanup(){var e;this.mesh&&(this.mesh.geometry.dispose(),this.mesh.material.dispose(),(e=this.mesh.material.map)==null||e.dispose())}},$M={ESO_GIGAGALAXY:{textureUrl:"{{assets}}/skybox/eso_milkyway.jpg"},ESO_LITE:{textureUrl:"{{assets}}/skybox/eso_lite.png"},NASA_TYCHO:{textureUrl:"{{assets}}/skybox/nasa_tycho.jpg"}};var Mh=class extends Sa{constructor(e,t,i){super(e,t,i,!1);this.init()}init(){var a,o,l,c,h,u;let e=null;this._options.textureUrl&&(e=new wi().load(this._options.textureUrl),e.colorSpace=Oe,this._textures.push(e));let t=(l=(o=this._options.color)!=null?o:(a=this._options.theme)==null?void 0:a.color)!=null?l:12303291,i=new Er,n=this._options.levelsOfDetail||[{radii:0,segments:64}],s=this.getScaledRadius();for(let d=0;d0){let v=new Gi(s,f.segments,f.segments);this._geometries.push(v);let g;if(this._simulation.isUsingLightSources()){e===null&&console.warn(`SphereObject ${this._id} requires a texture when using a light source.`);let p={sphereTex:{value:e},lightPos:{value:new b}};p.lightPos.value.copy(this._simulation.getLightPosition()),g=new Ke({uniforms:p,vertexShader:pv,fragmentShader:mv,transparent:!0})}else g=new li({map:e,color:t});this._materials.push(g),m=new tt(v,g),m.receiveShadow=!0,m.castShadow=!0,m.rotation.x=Math.PI/2}else{let v=$r(Ri,this._context.options.basePath),g=new wi().load(v);g.colorSpace=Oe,this._textures.push(g);let p=new Un({map:g,color:t,blending:sn,depthWrite:!1,sizeAttenuation:!1});this._materials.push(p);let y=((h=(c=this._options.particleSize)!=null?c:this._context.options.particleDefaultSize)!=null?h:15)/15*.02;m=new $n(p),m.scale.set(y,y,y)}i.addLevel(m,s*f.radii)}if(i.name=`${this._id}-detailed`,this._obj.add(i),this._options.atmosphere&&this._options.atmosphere.enable){let d=this.renderFullAtmosphere();d&&this._obj.add(d)}return this._options.axialTilt&&((u=this._options.rotation)==null?void 0:u.lambdaDeg)===void 0&&(this._obj.rotation.y+=yt.rad(this._options.axialTilt)),this._renderMethod="SPHERE",super.init()}getScaledRadius(){return tn(this._options.radius||1)}renderFullAtmosphere(){var o,l,c,h,u,d,f,m,v;if(!this._simulation.isUsingLightSources())return console.warn("Cannot render atmosphere without a light source"),null;let e=this.getScaledRadius(),t=new re((c=(l=(o=this._options)==null?void 0:o.atmosphere)==null?void 0:l.color)!=null?c:16777215),i=e*((d=(u=(h=this._options)==null?void 0:h.atmosphere)==null?void 0:u.innerSizeRatio)!=null?d:.025),n=e*((v=(m=(f=this._options)==null?void 0:f.atmosphere)==null?void 0:m.outerSizeRatio)!=null?v:.15),s=new Xe;s.add(this.renderAtmosphereComponent(e,i,.8,2,t)),s.add(this.renderAtmosphereComponent(e,n,.5,4,t));let a=new Er;return a.addLevel(s,0),a.addLevel(new Xe,e*24),a.name=`${this._id}-atm`,a}renderAtmosphereComponent(e,t,i,n,s){let a=new Gi(e+t,32,32),o={c:{value:i},p:{value:n},color:{value:s},lightPos:{value:new b}},l=this._simulation.getLightPosition();l&&o.lightPos.value.copy(l);let c=new Ke({uniforms:o,vertexShader:dv,fragmentShader:fv,side:At,transparent:!0,depthWrite:!1});return this._geometries.push(a),this._materials.push(c),new tt(a,c)}addRings(e,t,i,n=128){let s=tn(yt.kmToAu(e)),a=tn(yt.kmToAu(t)),o=new nr(s,a,n,5,0,Math.PI*2);this._geometries.push(o);let l=new wi().load(i);l.colorSpace=Oe,this._textures.push(l);let c;if(this._simulation.isUsingLightSources()){let u=To.merge([le.lights,{ringTex:{value:null},innerRadius:{value:s},outerRadius:{value:a},lightPos:{value:new b}}]);u.ringTex.value=l,u.lightPos.value.copy(this._simulation.getLightPosition()),c=new Ke({uniforms:u,lights:!0,vertexShader:gv,fragmentShader:vv,transparent:!0,alphaTest:.1,side:Nt})}else c=new li({map:l,side:Nt,transparent:!0,alphaTest:.1,opacity:.8});this._materials.push(c);let h=new tt(o,c);h.receiveShadow=!0,h.castShadow=!0,h.name=`${this._id}-ring`,this._obj.add(h)}};var eb=4,tb=16777215,bh=class{constructor(e,t,i,n){this.options=i,this.id=e,this.simulation=n,this.points=t,this.pointObject=void 0,this.init(),this.simulation.addObject(this,!0)}init(){let e=new Float32Array(this.points.length*3),t=new Float32Array(this.points.length*3),i=new Float32Array(this.points.length),n=new re(tb);this.options.defaultColor&&(n=new re(this.options.defaultColor));let s=eb;this.options.size&&(s=this.options.size);for(let l=0,c=this.points.length;l=3e4?9614847:r>=1e4?10666239:r>=7500?14016767:r>=6e3?16381439:r>=5200?16772579:r>=3700?16767669:(r>=2400,16758124)}function nb(r,e){return r<2?e*4:r<4?e*2:r<6?e:1}var sl=class{constructor(e,t){this._options=e,this._id=`__stars_${new Date().getTime()}`,this._simulation=t,this._context=t.getContext(),this._stars=void 0,this.init()}init(){let e=nl("{{data}}/processed/bsc.json",this._context.options.basePath);fetch(e).then(t=>t.json()).then(t=>{let i=t.length,n=new we,s=new Float32Array(i*3),a=new Float32Array(i*3),o=new Float32Array(i);n.setAttribute("position",new Ce(s,3)),n.setAttribute("color",new Ce(a,3)),n.setAttribute("size",new Ce(o,1)),t.forEach((c,h)=>{let[u,d,f,m]=c,v=yt.rad(yt.hoursToDeg(u)),g=yt.rad(d),p=xa.sphericalToCartesian(v,g,1e9),y=xa.equatorialToEcliptic_Cartesian(p[0],p[1],p[2],xa.getObliquity());s.set(y,h*3);let x=new re(ib(f));a.set(x.toArray(),h*3),o[h]=nb(m,this._options.minSize||3)});let l=new Ke({uniforms:{},vertexColors:!0,vertexShader:yh,fragmentShader:_h,transparent:!0});this._stars=new gi(n,l),this._stars.name=this._id,this._simulation&&this._simulation.addObject(this,!0)})}get3jsObjects(){return this._stars?[this._stars]:[]}getId(){return this._id}update(){}isVisible(){var e,t;return(t=(e=this._stars)==null?void 0:e.visible)!=null?t:!1}setVisibility(e){this._stars&&(this._stars.visible=e)}removalCleanup(){var e;this._stars&&(this._stars.geometry.dispose(),this._stars.material.dispose(),(e=this._stars.material.map)==null||e.dispose())}};var Mv=class{constructor(e,t){this.simulationElt=e,this.options=t||{},this.options.basePath=this.options.basePath||Vg(),this.jd=typeof this.options.jd=="undefined"?Number((0,Th.default)(this.options.startDate||new Date)):this.options.jd,this.jdDelta=this.options.jdDelta,this.jdPerSecond=this.options.jdPerSecond||100,this.isPaused=t.startPaused||!1,this.onTick=void 0,this.enableCameraDrift=!1,this.cameraDefaultPos=en([0,-10,5]),this.options.camera&&(this.enableCameraDrift=!!this.options.camera.enableDrift,this.options.camera.initialPosition&&(this.cameraDefaultPos=en(this.options.camera.initialPosition))),this.useLightSources=!1,this.lightPosition=void 0,this.subscribedObjects={},this.neverUpdatedObjects=new Set,Xe.DEFAULT_UP=new b(0,0,1),this.options.unitsPerAu&&kg(this.options.unitsPerAu),this.stats=void 0,this.fps=1,this.lastUpdatedTime=Date.now(),this.lastStaticCameraUpdateTime=Date.now(),this.lastResizeUpdateTime=Date.now(),this.renderEnabled=!0,this.initialRenderComplete=!1,this.animate=this.animate.bind(this),this.renderer=this.initRenderer(),this.scene=new Pn,this.camera=new mh(this.getContext()),this.composer=void 0,this.particles=new or({textureUrl:this.options.particleTextureUrl||"{{assets}}/sprites/smallparticle.png",jd:this.jd,maxNumParticles:this.options.maxNumParticles,defaultSize:this.options.particleDefaultSize},this),this.init(),this.animate()}init(){if(this.camera.get3jsCamera().position.set(this.cameraDefaultPos[0],this.cameraDefaultPos[1],this.cameraDefaultPos[2]),this.simulationElt.onmousedown=this.simulationElt.ontouchstart=()=>{this.enableCameraDrift=!1},(()=>{let e=!1;this.camera.get3jsCameraControls().addEventListener("change",()=>{e&&this.staticForcedUpdate()}),setTimeout(()=>{this.staticForcedUpdate(),e=!0,this.initialRenderComplete=!0},0)})(),this.simulationElt.addEventListener("resize",()=>{this.resizeUpdate()}),window.addEventListener("resize",()=>{this.resizeUpdate()}),this.options.debug){if(this.options.debug.showGrid){let e=new jr(void 0,void 0);e.geometry.rotateX(Math.PI/2),this.scene.add(e)}this.options.debug.showAxes&&this.scene.add(new $o(.5)),this.options.debug.showStats&&(this.stats=new $g,this.stats.showPanel(0),this.simulationElt.appendChild(this.stats.dom))}this.initPasses()}initRenderer(){let e=new fh({antialias:!0});console.info("Max texture resolution:",e.capabilities.maxTextureSize);let t=e.capabilities.getMaxPrecision("highp");return t!=="highp"&&console.warn(`Shader maximum precision is "${t}", GPU rendering may not be accurate.`),e.setPixelRatio(window.devicePixelRatio),e.setSize(this.simulationElt.offsetWidth,this.simulationElt.offsetHeight),this.simulationElt.appendChild(e.domElement),e}initPasses(){let e=this.camera.get3jsCamera(),t=new av({width:240,height:240,luminanceThreshold:.2});t.blendMode.opacity.value=2.3;let i=new ov(this.scene,e);i.renderToScreen=!1;let n=new cv(e,t);n.renderToScreen=!0;let s=new rv(this.renderer);s.addPass(i),s.addPass(n),this.composer=s}update(e=!1){for(let t in this.subscribedObjects)if(this.subscribedObjects.hasOwnProperty(t)&&!this.neverUpdatedObjects.has(t)){let i=this.subscribedObjects[t];i.isVisible()&&i.update(this.jd,e)}}staticForcedUpdate(){if(this.isPaused){let e=Date.now();e-this.lastStaticCameraUpdateTime>30&&(this.update(!0),this.lastStaticCameraUpdateTime=e)}}resizeUpdate(){let e=Date.now();if(e-this.lastResizeUpdateTime>30){let n=this.simulationElt.offsetWidth,s=this.simulationElt.offsetHeight;if(n===0&&s===0)return;let a=this.camera.get3jsCamera();a.aspect=n/s,a.updateProjectionMatrix(),this.renderer.setSize(n,s),this.staticForcedUpdate(),this.lastResizeUpdateTime=e}}doCameraDrift(){let e=1e-4*Date.now(),t=this.cameraDefaultPos,i=this.camera.get3jsCamera();i.position.x=t[0]+t[0]*(Math.cos(e)+1)/3,i.position.z=t[2]+t[2]*(Math.sin(e)+1)/3}animate(){if(!(!this.renderEnabled&&this.initialRenderComplete)){if(window.requestAnimationFrame(this.animate),this.stats&&this.stats.begin(),!this.isPaused){this.jdDelta?this.jd+=this.jdDelta:this.jd+=this.jdPerSecond/this.fps;let e=(Date.now()-this.lastUpdatedTime)/1e3;this.lastUpdatedTime=Date.now(),this.fps=1/e||1,this.update()}this.enableCameraDrift&&this.doCameraDrift(),this.camera.update(),this.renderer.render(this.scene,this.camera.get3jsCamera()),this.onTick&&this.onTick(),this.stats&&this.stats.end()}}addObject(e,t=!1){e.get3jsObjects().map(n=>{this.scene.add(n)});let i=e.getId();this.subscribedObjects[i]&&console.error(`Object id is not unique: "${i}". This could prevent objects from updating correctly.`),this.subscribedObjects[i]=e,t&&this.neverUpdatedObjects.add(e.getId())}getObject(e){return this.subscribedObjects[e]}removeObject(e){!this.subscribedObjects[e.getId()]||(e.get3jsObjects().map(t=>{this.scene.remove(t)}),typeof e.removalCleanup=="function"&&e.removalCleanup(),delete this.subscribedObjects[e.getId()],this.neverUpdatedObjects.delete(e.getId()))}removalCleanup(){this.renderEnabled=!1;for(let t in this.subscribedObjects)this.subscribedObjects.hasOwnProperty(t)&&this.removeObject(this.subscribedObjects[t]);let e=this.getRenderer();e.dispose(),e.domElement.remove(),this.scene.clear(),e.forceContextLoss()}createObject(...e){return new Aa(...e,this)}createShape(...e){return new Sh(...e,this)}createSphere(...e){return new Mh(...e,this)}createStaticParticles(...e){return new bh(...e,this)}createSkybox(...e){return new Eh(...e,this)}createStars(...e){return e.length?new sl(...e,this):new sl({},this)}createAmbientLight(e=3355443){let t=new da(e);t.name="ambient-light",this.scene.add(t),this.useLightSources=!0}createLight(e=void 0,t=16777215){this.lightPosition&&console.warn("Spacekit doesn't support more than one light source for SphereObjects"),this.lightPosition=new b;let i=new ha;if(typeof e=="undefined")this.camera.get3jsCameraControls().addEventListener("change",()=>{this.lightPosition.copy(this.camera.get3jsCamera().position),i.position.copy(this.camera.get3jsCamera().position)});else{let n=en(e);this.lightPosition.set(n[0],n[1],n[2]),i.position.set(n[0],n[1],n[2])}i.name="point-light",this.scene.add(i),this.useLightSources=!0}getLightPosition(){return this.lightPosition}isUsingLightSources(){return this.useLightSources}loadNaturalSatellites(){return new vh(this).load()}renderOnlyInViewport(){let e=!0,t=()=>{let i=this.simulationElt.getBoundingClientRect(),n=window.innerHeight||document.documentElement.clientHeight,s=window.innerWidth||document.documentElement.clientWidth,a=i.top<=n&&i.top+i.height>=0,o=i.left<=s&&i.left+i.width>=0;return a&&o};window.addEventListener("scroll",()=>{let i=t();e&&!i?(this.renderEnabled=!1,e=!1):!e&&i&&(this.renderEnabled=!0,window.requestAnimationFrame(this.animate),e=!0)}),t()||(this.renderEnabled=!1,e=!1)}zoomToFit(e,t=3){return ui(this,null,function*(){let i=e.getOrbit(),n=i?i.getOrbitShape():yield e.getBoundingObject();return n?(this.doZoomToFit(n,t),!0):!1})}doZoomToFit(e,t){let i=new Ht;i.setFromObject(e);let n=new b;i.getCenter(n);let s=new b;i.getSize(s);let a=this.camera.get3jsCamera(),o=Math.max(s.x,s.y,s.z),l=a.fov*(Math.PI/180),c=Math.abs(o/2*Math.tan(l*2))*t,h=new b;e.getWorldPosition(h);let f=a.position.sub(h).normalize().multiplyScalar(c);a.position.x=f.x,a.position.y=f.y,a.position.z=f.z,a.updateProjectionMatrix(),this.cameraDefaultPos=[f.x,f.y,f.z]}start(){this.lastUpdatedTime=Date.now(),this.isPaused=!1}stop(){this.isPaused=!0}getJd(){return this.jd}setJd(e){this.jd=e,this.update(!0)}getDate(){return Th.default.toDate(this.jd)}setDate(e){this.setJd(Number((0,Th.default)(e)))}getJdDelta(){return this.jdDelta?this.jdDelta:this.jdPerSecond/this.fps}setJdDelta(e){this.jdDelta=e}getJdPerSecond(){if(!this.jdDelta)return this.jdPerSecond}setJdPerSecond(e){this.jdDelta=void 0,this.jdPerSecond=e}getContext(){return{simulation:this,options:this.options,objects:{particles:this.particles,camera:this.camera,scene:this.scene,renderer:this.renderer,composer:this.composer},container:{width:this.simulationElt.offsetWidth,height:this.simulationElt.offsetHeight}}}getSimulationElement(){return this.simulationElt}getViewer(){return this.camera}getScene(){return this.scene}getRenderer(){return this.renderer}setCameraDrift(e){this.enableCameraDrift=e}};var rb=mf; /** * @license - * Copyright 2010-2021 Three.js Authors + * Copyright 2010-2025 Three.js Authors * SPDX-License-Identifier: MIT */ /** - * postprocessing v6.29.0 build Mon Oct 17 2022 + * postprocessing v6.36.7 build Thu Feb 06 2025 * https://github.com/pmndrs/postprocessing - * Copyright 2015-2022 Raoul van Rüschen + * Copyright 2015-2025 Raoul van Rüschen * @license Zlib */ //# sourceMappingURL=spacekit.cjs.js.map diff --git a/build/spacekit.cjs.js.map b/build/spacekit.cjs.js.map index d0af4d8..6607a42 100644 --- a/build/spacekit.cjs.js.map +++ b/build/spacekit.cjs.js.map @@ -1,7 +1,7 @@ { "version": 3, - "sources": ["../node_modules/julian/index.js", "../src/index.ts", "../node_modules/three/build/three.module.js", "../node_modules/three/examples/jsm/controls/OrbitControls.js", "../src/Scale.ts", "../src/Camera.ts", "../src/Units.ts", "../src/Coordinates.ts", "../src/Ephem.ts", "../src/Math.ts", "../src/util.ts", "../src/EphemerisTable.ts", "../src/EphemPresets.ts", "../src/Orbit.ts", "../src/Simulation.ts", "../node_modules/three/examples/jsm/libs/stats.module.js", "../node_modules/postprocessing/build/postprocessing.esm.js", "../src/shaders.ts", "../src/KeplerParticles.ts", "../node_modules/three/examples/jsm/loaders/OBJLoader.js", "../src/SpaceObject.ts", "../src/RotatingObject.ts", "../src/ShapeObject.ts", "../src/Skybox.ts", "../src/SphereObject.ts", "../src/StaticParticles.ts", "../src/Stars.ts"], - "sourcesContent": ["module.exports = convert;\nmodule.exports.toDate = convertToDate;\n\nmodule.exports.toJulianDay = toJulianDay;\nmodule.exports.toMillisecondsInJulianDay = toMillisecondsInJulianDay;\nmodule.exports.fromJulianDayAndMilliseconds = fromJulianDayAndMilliseconds;\n\nvar DAY = 86400000;\nvar HALF_DAY = DAY / 2;\nvar UNIX_EPOCH_JULIAN_DATE = 2440587.5;\nvar UNIX_EPOCH_JULIAN_DAY = 2440587;\n\nfunction convert(date) {\n return (toJulianDay(date) + (toMillisecondsInJulianDay(date) / DAY)).toFixed(6);\n};\n\nfunction convertToDate(julian) {\n return new Date((Number(julian) - UNIX_EPOCH_JULIAN_DATE) * DAY);\n};\n\nfunction toJulianDay(date) {\n return ~~((+date + HALF_DAY) / DAY) + UNIX_EPOCH_JULIAN_DAY;\n};\n\nfunction toMillisecondsInJulianDay(date) {\n return (+date + HALF_DAY) % DAY;\n};\n\nfunction fromJulianDayAndMilliseconds(day, ms) {\n return (day - UNIX_EPOCH_JULIAN_DATE) * DAY + ms;\n};\n", "export * from './Camera';\nexport * from './Coordinates';\nexport * from './Ephem';\nexport * from './EphemerisTable';\nexport * from './EphemPresets';\nexport * from './Orbit';\nexport * from './Simulation';\nexport * from './Skybox';\nexport * from './SpaceObject';\nexport * from './RotatingObject';\nexport * from './ShapeObject';\nexport * from './SphereObject';\nexport * from './StaticParticles';\nexport * from './KeplerParticles';\nexport * from './Stars';\nexport * from './Units';\n\nimport * as _THREE from 'three';\nexport const THREE = _THREE;\n", "/**\n * @license\n * Copyright 2010-2021 Three.js Authors\n * SPDX-License-Identifier: MIT\n */\nconst REVISION = '135';\nconst MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2, ROTATE: 0, DOLLY: 1, PAN: 2 };\nconst TOUCH = { ROTATE: 0, PAN: 1, DOLLY_PAN: 2, DOLLY_ROTATE: 3 };\nconst CullFaceNone = 0;\nconst CullFaceBack = 1;\nconst CullFaceFront = 2;\nconst CullFaceFrontBack = 3;\nconst BasicShadowMap = 0;\nconst PCFShadowMap = 1;\nconst PCFSoftShadowMap = 2;\nconst VSMShadowMap = 3;\nconst FrontSide = 0;\nconst BackSide = 1;\nconst DoubleSide = 2;\nconst FlatShading = 1;\nconst SmoothShading = 2;\nconst NoBlending = 0;\nconst NormalBlending = 1;\nconst AdditiveBlending = 2;\nconst SubtractiveBlending = 3;\nconst MultiplyBlending = 4;\nconst CustomBlending = 5;\nconst AddEquation = 100;\nconst SubtractEquation = 101;\nconst ReverseSubtractEquation = 102;\nconst MinEquation = 103;\nconst MaxEquation = 104;\nconst ZeroFactor = 200;\nconst OneFactor = 201;\nconst SrcColorFactor = 202;\nconst OneMinusSrcColorFactor = 203;\nconst SrcAlphaFactor = 204;\nconst OneMinusSrcAlphaFactor = 205;\nconst DstAlphaFactor = 206;\nconst OneMinusDstAlphaFactor = 207;\nconst DstColorFactor = 208;\nconst OneMinusDstColorFactor = 209;\nconst SrcAlphaSaturateFactor = 210;\nconst NeverDepth = 0;\nconst AlwaysDepth = 1;\nconst LessDepth = 2;\nconst LessEqualDepth = 3;\nconst EqualDepth = 4;\nconst GreaterEqualDepth = 5;\nconst GreaterDepth = 6;\nconst NotEqualDepth = 7;\nconst MultiplyOperation = 0;\nconst MixOperation = 1;\nconst AddOperation = 2;\nconst NoToneMapping = 0;\nconst LinearToneMapping = 1;\nconst ReinhardToneMapping = 2;\nconst CineonToneMapping = 3;\nconst ACESFilmicToneMapping = 4;\nconst CustomToneMapping = 5;\n\nconst UVMapping = 300;\nconst CubeReflectionMapping = 301;\nconst CubeRefractionMapping = 302;\nconst EquirectangularReflectionMapping = 303;\nconst EquirectangularRefractionMapping = 304;\nconst CubeUVReflectionMapping = 306;\nconst CubeUVRefractionMapping = 307;\nconst RepeatWrapping = 1000;\nconst ClampToEdgeWrapping = 1001;\nconst MirroredRepeatWrapping = 1002;\nconst NearestFilter = 1003;\nconst NearestMipmapNearestFilter = 1004;\nconst NearestMipMapNearestFilter = 1004;\nconst NearestMipmapLinearFilter = 1005;\nconst NearestMipMapLinearFilter = 1005;\nconst LinearFilter = 1006;\nconst LinearMipmapNearestFilter = 1007;\nconst LinearMipMapNearestFilter = 1007;\nconst LinearMipmapLinearFilter = 1008;\nconst LinearMipMapLinearFilter = 1008;\nconst UnsignedByteType = 1009;\nconst ByteType = 1010;\nconst ShortType = 1011;\nconst UnsignedShortType = 1012;\nconst IntType = 1013;\nconst UnsignedIntType = 1014;\nconst FloatType = 1015;\nconst HalfFloatType = 1016;\nconst UnsignedShort4444Type = 1017;\nconst UnsignedShort5551Type = 1018;\nconst UnsignedShort565Type = 1019;\nconst UnsignedInt248Type = 1020;\nconst AlphaFormat = 1021;\nconst RGBFormat = 1022;\nconst RGBAFormat = 1023;\nconst LuminanceFormat = 1024;\nconst LuminanceAlphaFormat = 1025;\nconst RGBEFormat = RGBAFormat;\nconst DepthFormat = 1026;\nconst DepthStencilFormat = 1027;\nconst RedFormat = 1028;\nconst RedIntegerFormat = 1029;\nconst RGFormat = 1030;\nconst RGIntegerFormat = 1031;\nconst RGBIntegerFormat = 1032;\nconst RGBAIntegerFormat = 1033;\n\nconst RGB_S3TC_DXT1_Format = 33776;\nconst RGBA_S3TC_DXT1_Format = 33777;\nconst RGBA_S3TC_DXT3_Format = 33778;\nconst RGBA_S3TC_DXT5_Format = 33779;\nconst RGB_PVRTC_4BPPV1_Format = 35840;\nconst RGB_PVRTC_2BPPV1_Format = 35841;\nconst RGBA_PVRTC_4BPPV1_Format = 35842;\nconst RGBA_PVRTC_2BPPV1_Format = 35843;\nconst RGB_ETC1_Format = 36196;\nconst RGB_ETC2_Format = 37492;\nconst RGBA_ETC2_EAC_Format = 37496;\nconst RGBA_ASTC_4x4_Format = 37808;\nconst RGBA_ASTC_5x4_Format = 37809;\nconst RGBA_ASTC_5x5_Format = 37810;\nconst RGBA_ASTC_6x5_Format = 37811;\nconst RGBA_ASTC_6x6_Format = 37812;\nconst RGBA_ASTC_8x5_Format = 37813;\nconst RGBA_ASTC_8x6_Format = 37814;\nconst RGBA_ASTC_8x8_Format = 37815;\nconst RGBA_ASTC_10x5_Format = 37816;\nconst RGBA_ASTC_10x6_Format = 37817;\nconst RGBA_ASTC_10x8_Format = 37818;\nconst RGBA_ASTC_10x10_Format = 37819;\nconst RGBA_ASTC_12x10_Format = 37820;\nconst RGBA_ASTC_12x12_Format = 37821;\nconst RGBA_BPTC_Format = 36492;\nconst SRGB8_ALPHA8_ASTC_4x4_Format = 37840;\nconst SRGB8_ALPHA8_ASTC_5x4_Format = 37841;\nconst SRGB8_ALPHA8_ASTC_5x5_Format = 37842;\nconst SRGB8_ALPHA8_ASTC_6x5_Format = 37843;\nconst SRGB8_ALPHA8_ASTC_6x6_Format = 37844;\nconst SRGB8_ALPHA8_ASTC_8x5_Format = 37845;\nconst SRGB8_ALPHA8_ASTC_8x6_Format = 37846;\nconst SRGB8_ALPHA8_ASTC_8x8_Format = 37847;\nconst SRGB8_ALPHA8_ASTC_10x5_Format = 37848;\nconst SRGB8_ALPHA8_ASTC_10x6_Format = 37849;\nconst SRGB8_ALPHA8_ASTC_10x8_Format = 37850;\nconst SRGB8_ALPHA8_ASTC_10x10_Format = 37851;\nconst SRGB8_ALPHA8_ASTC_12x10_Format = 37852;\nconst SRGB8_ALPHA8_ASTC_12x12_Format = 37853;\nconst LoopOnce = 2200;\nconst LoopRepeat = 2201;\nconst LoopPingPong = 2202;\nconst InterpolateDiscrete = 2300;\nconst InterpolateLinear = 2301;\nconst InterpolateSmooth = 2302;\nconst ZeroCurvatureEnding = 2400;\nconst ZeroSlopeEnding = 2401;\nconst WrapAroundEnding = 2402;\nconst NormalAnimationBlendMode = 2500;\nconst AdditiveAnimationBlendMode = 2501;\nconst TrianglesDrawMode = 0;\nconst TriangleStripDrawMode = 1;\nconst TriangleFanDrawMode = 2;\nconst LinearEncoding = 3000;\nconst sRGBEncoding = 3001;\nconst GammaEncoding = 3007;\nconst RGBEEncoding = 3002;\nconst RGBM7Encoding = 3004;\nconst RGBM16Encoding = 3005;\nconst RGBDEncoding = 3006;\nconst BasicDepthPacking = 3200;\nconst RGBADepthPacking = 3201;\nconst TangentSpaceNormalMap = 0;\nconst ObjectSpaceNormalMap = 1;\n\nconst ZeroStencilOp = 0;\nconst KeepStencilOp = 7680;\nconst ReplaceStencilOp = 7681;\nconst IncrementStencilOp = 7682;\nconst DecrementStencilOp = 7683;\nconst IncrementWrapStencilOp = 34055;\nconst DecrementWrapStencilOp = 34056;\nconst InvertStencilOp = 5386;\n\nconst NeverStencilFunc = 512;\nconst LessStencilFunc = 513;\nconst EqualStencilFunc = 514;\nconst LessEqualStencilFunc = 515;\nconst GreaterStencilFunc = 516;\nconst NotEqualStencilFunc = 517;\nconst GreaterEqualStencilFunc = 518;\nconst AlwaysStencilFunc = 519;\n\nconst StaticDrawUsage = 35044;\nconst DynamicDrawUsage = 35048;\nconst StreamDrawUsage = 35040;\nconst StaticReadUsage = 35045;\nconst DynamicReadUsage = 35049;\nconst StreamReadUsage = 35041;\nconst StaticCopyUsage = 35046;\nconst DynamicCopyUsage = 35050;\nconst StreamCopyUsage = 35042;\n\nconst GLSL1 = '100';\nconst GLSL3 = '300 es';\n\n/**\n * https://github.com/mrdoob/eventdispatcher.js/\n */\n\nclass EventDispatcher {\n\n\taddEventListener( type, listener ) {\n\n\t\tif ( this._listeners === undefined ) this._listeners = {};\n\n\t\tconst listeners = this._listeners;\n\n\t\tif ( listeners[ type ] === undefined ) {\n\n\t\t\tlisteners[ type ] = [];\n\n\t\t}\n\n\t\tif ( listeners[ type ].indexOf( listener ) === - 1 ) {\n\n\t\t\tlisteners[ type ].push( listener );\n\n\t\t}\n\n\t}\n\n\thasEventListener( type, listener ) {\n\n\t\tif ( this._listeners === undefined ) return false;\n\n\t\tconst listeners = this._listeners;\n\n\t\treturn listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1;\n\n\t}\n\n\tremoveEventListener( type, listener ) {\n\n\t\tif ( this._listeners === undefined ) return;\n\n\t\tconst listeners = this._listeners;\n\t\tconst listenerArray = listeners[ type ];\n\n\t\tif ( listenerArray !== undefined ) {\n\n\t\t\tconst index = listenerArray.indexOf( listener );\n\n\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\tlistenerArray.splice( index, 1 );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tdispatchEvent( event ) {\n\n\t\tif ( this._listeners === undefined ) return;\n\n\t\tconst listeners = this._listeners;\n\t\tconst listenerArray = listeners[ event.type ];\n\n\t\tif ( listenerArray !== undefined ) {\n\n\t\t\tevent.target = this;\n\n\t\t\t// Make a copy, in case listeners are removed while iterating.\n\t\t\tconst array = listenerArray.slice( 0 );\n\n\t\t\tfor ( let i = 0, l = array.length; i < l; i ++ ) {\n\n\t\t\t\tarray[ i ].call( this, event );\n\n\t\t\t}\n\n\t\t\tevent.target = null;\n\n\t\t}\n\n\t}\n\n}\n\nconst _lut = [];\n\nfor ( let i = 0; i < 256; i ++ ) {\n\n\t_lut[ i ] = ( i < 16 ? '0' : '' ) + ( i ).toString( 16 );\n\n}\n\nlet _seed = 1234567;\n\n\nconst DEG2RAD = Math.PI / 180;\nconst RAD2DEG = 180 / Math.PI;\n\n// http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/21963136#21963136\nfunction generateUUID() {\n\n\tconst d0 = Math.random() * 0xffffffff | 0;\n\tconst d1 = Math.random() * 0xffffffff | 0;\n\tconst d2 = Math.random() * 0xffffffff | 0;\n\tconst d3 = Math.random() * 0xffffffff | 0;\n\tconst uuid = _lut[ d0 & 0xff ] + _lut[ d0 >> 8 & 0xff ] + _lut[ d0 >> 16 & 0xff ] + _lut[ d0 >> 24 & 0xff ] + '-' +\n\t\t\t_lut[ d1 & 0xff ] + _lut[ d1 >> 8 & 0xff ] + '-' + _lut[ d1 >> 16 & 0x0f | 0x40 ] + _lut[ d1 >> 24 & 0xff ] + '-' +\n\t\t\t_lut[ d2 & 0x3f | 0x80 ] + _lut[ d2 >> 8 & 0xff ] + '-' + _lut[ d2 >> 16 & 0xff ] + _lut[ d2 >> 24 & 0xff ] +\n\t\t\t_lut[ d3 & 0xff ] + _lut[ d3 >> 8 & 0xff ] + _lut[ d3 >> 16 & 0xff ] + _lut[ d3 >> 24 & 0xff ];\n\n\t// .toUpperCase() here flattens concatenated strings to save heap memory space.\n\treturn uuid.toUpperCase();\n\n}\n\nfunction clamp( value, min, max ) {\n\n\treturn Math.max( min, Math.min( max, value ) );\n\n}\n\n// compute euclidian modulo of m % n\n// https://en.wikipedia.org/wiki/Modulo_operation\nfunction euclideanModulo( n, m ) {\n\n\treturn ( ( n % m ) + m ) % m;\n\n}\n\n// Linear mapping from range to range \nfunction mapLinear( x, a1, a2, b1, b2 ) {\n\n\treturn b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 );\n\n}\n\n// https://www.gamedev.net/tutorials/programming/general-and-gameplay-programming/inverse-lerp-a-super-useful-yet-often-overlooked-function-r5230/\nfunction inverseLerp( x, y, value ) {\n\n\tif ( x !== y ) {\n\n\t\treturn ( value - x ) / ( y - x );\n\n\t} else {\n\n\t\treturn 0;\n\n\t}\n\n}\n\n// https://en.wikipedia.org/wiki/Linear_interpolation\nfunction lerp( x, y, t ) {\n\n\treturn ( 1 - t ) * x + t * y;\n\n}\n\n// http://www.rorydriscoll.com/2016/03/07/frame-rate-independent-damping-using-lerp/\nfunction damp( x, y, lambda, dt ) {\n\n\treturn lerp( x, y, 1 - Math.exp( - lambda * dt ) );\n\n}\n\n// https://www.desmos.com/calculator/vcsjnyz7x4\nfunction pingpong( x, length = 1 ) {\n\n\treturn length - Math.abs( euclideanModulo( x, length * 2 ) - length );\n\n}\n\n// http://en.wikipedia.org/wiki/Smoothstep\nfunction smoothstep( x, min, max ) {\n\n\tif ( x <= min ) return 0;\n\tif ( x >= max ) return 1;\n\n\tx = ( x - min ) / ( max - min );\n\n\treturn x * x * ( 3 - 2 * x );\n\n}\n\nfunction smootherstep( x, min, max ) {\n\n\tif ( x <= min ) return 0;\n\tif ( x >= max ) return 1;\n\n\tx = ( x - min ) / ( max - min );\n\n\treturn x * x * x * ( x * ( x * 6 - 15 ) + 10 );\n\n}\n\n// Random integer from interval\nfunction randInt( low, high ) {\n\n\treturn low + Math.floor( Math.random() * ( high - low + 1 ) );\n\n}\n\n// Random float from interval\nfunction randFloat( low, high ) {\n\n\treturn low + Math.random() * ( high - low );\n\n}\n\n// Random float from <-range/2, range/2> interval\nfunction randFloatSpread( range ) {\n\n\treturn range * ( 0.5 - Math.random() );\n\n}\n\n// Deterministic pseudo-random float in the interval [ 0, 1 ]\nfunction seededRandom( s ) {\n\n\tif ( s !== undefined ) _seed = s % 2147483647;\n\n\t// Park-Miller algorithm\n\n\t_seed = _seed * 16807 % 2147483647;\n\n\treturn ( _seed - 1 ) / 2147483646;\n\n}\n\nfunction degToRad( degrees ) {\n\n\treturn degrees * DEG2RAD;\n\n}\n\nfunction radToDeg( radians ) {\n\n\treturn radians * RAD2DEG;\n\n}\n\nfunction isPowerOfTwo( value ) {\n\n\treturn ( value & ( value - 1 ) ) === 0 && value !== 0;\n\n}\n\nfunction ceilPowerOfTwo( value ) {\n\n\treturn Math.pow( 2, Math.ceil( Math.log( value ) / Math.LN2 ) );\n\n}\n\nfunction floorPowerOfTwo( value ) {\n\n\treturn Math.pow( 2, Math.floor( Math.log( value ) / Math.LN2 ) );\n\n}\n\nfunction setQuaternionFromProperEuler( q, a, b, c, order ) {\n\n\t// Intrinsic Proper Euler Angles - see https://en.wikipedia.org/wiki/Euler_angles\n\n\t// rotations are applied to the axes in the order specified by 'order'\n\t// rotation by angle 'a' is applied first, then by angle 'b', then by angle 'c'\n\t// angles are in radians\n\n\tconst cos = Math.cos;\n\tconst sin = Math.sin;\n\n\tconst c2 = cos( b / 2 );\n\tconst s2 = sin( b / 2 );\n\n\tconst c13 = cos( ( a + c ) / 2 );\n\tconst s13 = sin( ( a + c ) / 2 );\n\n\tconst c1_3 = cos( ( a - c ) / 2 );\n\tconst s1_3 = sin( ( a - c ) / 2 );\n\n\tconst c3_1 = cos( ( c - a ) / 2 );\n\tconst s3_1 = sin( ( c - a ) / 2 );\n\n\tswitch ( order ) {\n\n\t\tcase 'XYX':\n\t\t\tq.set( c2 * s13, s2 * c1_3, s2 * s1_3, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'YZY':\n\t\t\tq.set( s2 * s1_3, c2 * s13, s2 * c1_3, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'ZXZ':\n\t\t\tq.set( s2 * c1_3, s2 * s1_3, c2 * s13, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'XZX':\n\t\t\tq.set( c2 * s13, s2 * s3_1, s2 * c3_1, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'YXY':\n\t\t\tq.set( s2 * c3_1, c2 * s13, s2 * s3_1, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'ZYZ':\n\t\t\tq.set( s2 * s3_1, s2 * c3_1, c2 * s13, c2 * c13 );\n\t\t\tbreak;\n\n\t\tdefault:\n\t\t\tconsole.warn( 'THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: ' + order );\n\n\t}\n\n}\n\nvar MathUtils = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tDEG2RAD: DEG2RAD,\n\tRAD2DEG: RAD2DEG,\n\tgenerateUUID: generateUUID,\n\tclamp: clamp,\n\teuclideanModulo: euclideanModulo,\n\tmapLinear: mapLinear,\n\tinverseLerp: inverseLerp,\n\tlerp: lerp,\n\tdamp: damp,\n\tpingpong: pingpong,\n\tsmoothstep: smoothstep,\n\tsmootherstep: smootherstep,\n\trandInt: randInt,\n\trandFloat: randFloat,\n\trandFloatSpread: randFloatSpread,\n\tseededRandom: seededRandom,\n\tdegToRad: degToRad,\n\tradToDeg: radToDeg,\n\tisPowerOfTwo: isPowerOfTwo,\n\tceilPowerOfTwo: ceilPowerOfTwo,\n\tfloorPowerOfTwo: floorPowerOfTwo,\n\tsetQuaternionFromProperEuler: setQuaternionFromProperEuler\n});\n\nclass Vector2 {\n\n\tconstructor( x = 0, y = 0 ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\n\t}\n\n\tget width() {\n\n\t\treturn this.x;\n\n\t}\n\n\tset width( value ) {\n\n\t\tthis.x = value;\n\n\t}\n\n\tget height() {\n\n\t\treturn this.y;\n\n\t}\n\n\tset height( value ) {\n\n\t\tthis.y = value;\n\n\t}\n\n\tset( x, y ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y );\n\n\t}\n\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\n\t\treturn this;\n\n\t}\n\n\tadd( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\treturn this.addVectors( v, w );\n\n\t\t}\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\n\t\treturn this;\n\n\t}\n\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\n\t\treturn this;\n\n\t}\n\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\treturn this.subVectors( v, w );\n\n\t\t}\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\n\t\treturn this;\n\n\t}\n\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\n\t\treturn this;\n\n\t}\n\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( v ) {\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\tdivide( v ) {\n\n\t\tthis.x /= v.x;\n\t\tthis.y /= v.y;\n\n\t\treturn this;\n\n\t}\n\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tconst x = this.x, y = this.y;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ];\n\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ];\n\n\t\treturn this;\n\n\t}\n\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\n\t\treturn this;\n\n\t}\n\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\n\t\treturn this;\n\n\t}\n\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = Math.max( minVal, Math.min( maxVal, this.x ) );\n\t\tthis.y = Math.max( minVal, Math.min( maxVal, this.y ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) );\n\n\t}\n\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\n\t\treturn this;\n\n\t}\n\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\n\t\treturn this;\n\n\t}\n\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\n\t\treturn this;\n\n\t}\n\n\troundToZero() {\n\n\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y;\n\n\t}\n\n\tcross( v ) {\n\n\t\treturn this.x * v.y - this.y * v.x;\n\n\t}\n\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y );\n\n\t}\n\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y );\n\n\t}\n\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\tangle() {\n\n\t\t// computes the angle in radians with respect to the positive x-axis\n\n\t\tconst angle = Math.atan2( - this.y, - this.x ) + Math.PI;\n\n\t\treturn angle;\n\n\t}\n\n\tdistanceTo( v ) {\n\n\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t}\n\n\tdistanceToSquared( v ) {\n\n\t\tconst dx = this.x - v.x, dy = this.y - v.y;\n\t\treturn dx * dx + dy * dy;\n\n\t}\n\n\tmanhattanDistanceTo( v ) {\n\n\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y );\n\n\t}\n\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index, offset ) {\n\n\t\tif ( offset !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector2: offset has been removed from .fromBufferAttribute().' );\n\n\t\t}\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\n\t\treturn this;\n\n\t}\n\n\trotateAround( center, angle ) {\n\n\t\tconst c = Math.cos( angle ), s = Math.sin( angle );\n\n\t\tconst x = this.x - center.x;\n\t\tconst y = this.y - center.y;\n\n\t\tthis.x = x * c - y * s + center.x;\n\t\tthis.y = x * s + y * c + center.y;\n\n\t\treturn this;\n\n\t}\n\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\n\t\treturn this;\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.x;\n\t\tyield this.y;\n\n\t}\n\n}\n\nVector2.prototype.isVector2 = true;\n\nclass Matrix3 {\n\n\tconstructor() {\n\n\t\tthis.elements = [\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t];\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tset( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31;\n\t\tte[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32;\n\t\tte[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33;\n\n\t\treturn this;\n\n\t}\n\n\tidentity() {\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tcopy( m ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tte[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ];\n\t\tte[ 3 ] = me[ 3 ]; te[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ];\n\t\tte[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ]; te[ 8 ] = me[ 8 ];\n\n\t\treturn this;\n\n\t}\n\n\textractBasis( xAxis, yAxis, zAxis ) {\n\n\t\txAxis.setFromMatrix3Column( this, 0 );\n\t\tyAxis.setFromMatrix3Column( this, 1 );\n\t\tzAxis.setFromMatrix3Column( this, 2 );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrix4( m ) {\n\n\t\tconst me = m.elements;\n\n\t\tthis.set(\n\n\t\t\tme[ 0 ], me[ 4 ], me[ 8 ],\n\t\t\tme[ 1 ], me[ 5 ], me[ 9 ],\n\t\t\tme[ 2 ], me[ 6 ], me[ 10 ]\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( m ) {\n\n\t\treturn this.multiplyMatrices( this, m );\n\n\t}\n\n\tpremultiply( m ) {\n\n\t\treturn this.multiplyMatrices( m, this );\n\n\t}\n\n\tmultiplyMatrices( a, b ) {\n\n\t\tconst ae = a.elements;\n\t\tconst be = b.elements;\n\t\tconst te = this.elements;\n\n\t\tconst a11 = ae[ 0 ], a12 = ae[ 3 ], a13 = ae[ 6 ];\n\t\tconst a21 = ae[ 1 ], a22 = ae[ 4 ], a23 = ae[ 7 ];\n\t\tconst a31 = ae[ 2 ], a32 = ae[ 5 ], a33 = ae[ 8 ];\n\n\t\tconst b11 = be[ 0 ], b12 = be[ 3 ], b13 = be[ 6 ];\n\t\tconst b21 = be[ 1 ], b22 = be[ 4 ], b23 = be[ 7 ];\n\t\tconst b31 = be[ 2 ], b32 = be[ 5 ], b33 = be[ 8 ];\n\n\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31;\n\t\tte[ 3 ] = a11 * b12 + a12 * b22 + a13 * b32;\n\t\tte[ 6 ] = a11 * b13 + a12 * b23 + a13 * b33;\n\n\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31;\n\t\tte[ 4 ] = a21 * b12 + a22 * b22 + a23 * b32;\n\t\tte[ 7 ] = a21 * b13 + a22 * b23 + a23 * b33;\n\n\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31;\n\t\tte[ 5 ] = a31 * b12 + a32 * b22 + a33 * b32;\n\t\tte[ 8 ] = a31 * b13 + a32 * b23 + a33 * b33;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( s ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s;\n\t\tte[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s;\n\t\tte[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s;\n\n\t\treturn this;\n\n\t}\n\n\tdeterminant() {\n\n\t\tconst te = this.elements;\n\n\t\tconst a = te[ 0 ], b = te[ 1 ], c = te[ 2 ],\n\t\t\td = te[ 3 ], e = te[ 4 ], f = te[ 5 ],\n\t\t\tg = te[ 6 ], h = te[ 7 ], i = te[ 8 ];\n\n\t\treturn a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g;\n\n\t}\n\n\tinvert() {\n\n\t\tconst te = this.elements,\n\n\t\t\tn11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ],\n\t\t\tn12 = te[ 3 ], n22 = te[ 4 ], n32 = te[ 5 ],\n\t\t\tn13 = te[ 6 ], n23 = te[ 7 ], n33 = te[ 8 ],\n\n\t\t\tt11 = n33 * n22 - n32 * n23,\n\t\t\tt12 = n32 * n13 - n33 * n12,\n\t\t\tt13 = n23 * n12 - n22 * n13,\n\n\t\t\tdet = n11 * t11 + n21 * t12 + n31 * t13;\n\n\t\tif ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0 );\n\n\t\tconst detInv = 1 / det;\n\n\t\tte[ 0 ] = t11 * detInv;\n\t\tte[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv;\n\t\tte[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv;\n\n\t\tte[ 3 ] = t12 * detInv;\n\t\tte[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv;\n\t\tte[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv;\n\n\t\tte[ 6 ] = t13 * detInv;\n\t\tte[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv;\n\t\tte[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv;\n\n\t\treturn this;\n\n\t}\n\n\ttranspose() {\n\n\t\tlet tmp;\n\t\tconst m = this.elements;\n\n\t\ttmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp;\n\t\ttmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp;\n\t\ttmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp;\n\n\t\treturn this;\n\n\t}\n\n\tgetNormalMatrix( matrix4 ) {\n\n\t\treturn this.setFromMatrix4( matrix4 ).invert().transpose();\n\n\t}\n\n\ttransposeIntoArray( r ) {\n\n\t\tconst m = this.elements;\n\n\t\tr[ 0 ] = m[ 0 ];\n\t\tr[ 1 ] = m[ 3 ];\n\t\tr[ 2 ] = m[ 6 ];\n\t\tr[ 3 ] = m[ 1 ];\n\t\tr[ 4 ] = m[ 4 ];\n\t\tr[ 5 ] = m[ 7 ];\n\t\tr[ 6 ] = m[ 2 ];\n\t\tr[ 7 ] = m[ 5 ];\n\t\tr[ 8 ] = m[ 8 ];\n\n\t\treturn this;\n\n\t}\n\n\tsetUvTransform( tx, ty, sx, sy, rotation, cx, cy ) {\n\n\t\tconst c = Math.cos( rotation );\n\t\tconst s = Math.sin( rotation );\n\n\t\tthis.set(\n\t\t\tsx * c, sx * s, - sx * ( c * cx + s * cy ) + cx + tx,\n\t\t\t- sy * s, sy * c, - sy * ( - s * cx + c * cy ) + cy + ty,\n\t\t\t0, 0, 1\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tscale( sx, sy ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] *= sx; te[ 3 ] *= sx; te[ 6 ] *= sx;\n\t\tte[ 1 ] *= sy; te[ 4 ] *= sy; te[ 7 ] *= sy;\n\n\t\treturn this;\n\n\t}\n\n\trotate( theta ) {\n\n\t\tconst c = Math.cos( theta );\n\t\tconst s = Math.sin( theta );\n\n\t\tconst te = this.elements;\n\n\t\tconst a11 = te[ 0 ], a12 = te[ 3 ], a13 = te[ 6 ];\n\t\tconst a21 = te[ 1 ], a22 = te[ 4 ], a23 = te[ 7 ];\n\n\t\tte[ 0 ] = c * a11 + s * a21;\n\t\tte[ 3 ] = c * a12 + s * a22;\n\t\tte[ 6 ] = c * a13 + s * a23;\n\n\t\tte[ 1 ] = - s * a11 + c * a21;\n\t\tte[ 4 ] = - s * a12 + c * a22;\n\t\tte[ 7 ] = - s * a13 + c * a23;\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( tx, ty ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] += tx * te[ 2 ]; te[ 3 ] += tx * te[ 5 ]; te[ 6 ] += tx * te[ 8 ];\n\t\tte[ 1 ] += ty * te[ 2 ]; te[ 4 ] += ty * te[ 5 ]; te[ 7 ] += ty * te[ 8 ];\n\n\t\treturn this;\n\n\t}\n\n\tequals( matrix ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = matrix.elements;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst te = this.elements;\n\n\t\tarray[ offset ] = te[ 0 ];\n\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\tarray[ offset + 2 ] = te[ 2 ];\n\n\t\tarray[ offset + 3 ] = te[ 3 ];\n\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\tarray[ offset + 5 ] = te[ 5 ];\n\n\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\tarray[ offset + 7 ] = te[ 7 ];\n\t\tarray[ offset + 8 ] = te[ 8 ];\n\n\t\treturn array;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().fromArray( this.elements );\n\n\t}\n\n}\n\nMatrix3.prototype.isMatrix3 = true;\n\nfunction arrayMax( array ) {\n\n\tif ( array.length === 0 ) return - Infinity;\n\n\tlet max = array[ 0 ];\n\n\tfor ( let i = 1, l = array.length; i < l; ++ i ) {\n\n\t\tif ( array[ i ] > max ) max = array[ i ];\n\n\t}\n\n\treturn max;\n\n}\n\nconst TYPED_ARRAYS = {\n\tInt8Array: Int8Array,\n\tUint8Array: Uint8Array,\n\tUint8ClampedArray: Uint8ClampedArray,\n\tInt16Array: Int16Array,\n\tUint16Array: Uint16Array,\n\tInt32Array: Int32Array,\n\tUint32Array: Uint32Array,\n\tFloat32Array: Float32Array,\n\tFloat64Array: Float64Array\n};\n\nfunction getTypedArray( type, buffer ) {\n\n\treturn new TYPED_ARRAYS[ type ]( buffer );\n\n}\n\nfunction createElementNS( name ) {\n\n\treturn document.createElementNS( 'http://www.w3.org/1999/xhtml', name );\n\n}\n\n/**\n * cyrb53 hash for string from: https://stackoverflow.com/a/52171480\n *\n * Public Domain, @bryc - https://stackoverflow.com/users/815680/bryc\n *\n * It is roughly similar to the well-known MurmurHash/xxHash algorithms. It uses a combination\n * of multiplication and Xorshift to generate the hash, but not as thorough. As a result it's\n * faster than either would be in JavaScript and significantly simpler to implement. Keep in\n * mind this is not a secure algorithm, if privacy/security is a concern, this is not for you.\n *\n * @param {string} str\n * @param {number} seed, default 0\n * @returns number\n */\nfunction hashString( str, seed = 0 ) {\n\n\tlet h1 = 0xdeadbeef ^ seed, h2 = 0x41c6ce57 ^ seed;\n\n\tfor ( let i = 0, ch; i < str.length; i ++ ) {\n\n\t\tch = str.charCodeAt( i );\n\n\t\th1 = Math.imul( h1 ^ ch, 2654435761 );\n\n\t\th2 = Math.imul( h2 ^ ch, 1597334677 );\n\n\t}\n\n\th1 = Math.imul( h1 ^ ( h1 >>> 16 ), 2246822507 ) ^ Math.imul( h2 ^ ( h2 >>> 13 ), 3266489909 );\n\n\th2 = Math.imul( h2 ^ ( h2 >>> 16 ), 2246822507 ) ^ Math.imul( h1 ^ ( h1 >>> 13 ), 3266489909 );\n\n\treturn 4294967296 * ( 2097151 & h2 ) + ( h1 >>> 0 );\n\n}\n\nlet _canvas;\n\nclass ImageUtils {\n\n\tstatic getDataURL( image ) {\n\n\t\tif ( /^data:/i.test( image.src ) ) {\n\n\t\t\treturn image.src;\n\n\t\t}\n\n\t\tif ( typeof HTMLCanvasElement == 'undefined' ) {\n\n\t\t\treturn image.src;\n\n\t\t}\n\n\t\tlet canvas;\n\n\t\tif ( image instanceof HTMLCanvasElement ) {\n\n\t\t\tcanvas = image;\n\n\t\t} else {\n\n\t\t\tif ( _canvas === undefined ) _canvas = createElementNS( 'canvas' );\n\n\t\t\t_canvas.width = image.width;\n\t\t\t_canvas.height = image.height;\n\n\t\t\tconst context = _canvas.getContext( '2d' );\n\n\t\t\tif ( image instanceof ImageData ) {\n\n\t\t\t\tcontext.putImageData( image, 0, 0 );\n\n\t\t\t} else {\n\n\t\t\t\tcontext.drawImage( image, 0, 0, image.width, image.height );\n\n\t\t\t}\n\n\t\t\tcanvas = _canvas;\n\n\t\t}\n\n\t\tif ( canvas.width > 2048 || canvas.height > 2048 ) {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons', image );\n\n\t\t\treturn canvas.toDataURL( 'image/jpeg', 0.6 );\n\n\t\t} else {\n\n\t\t\treturn canvas.toDataURL( 'image/png' );\n\n\t\t}\n\n\t}\n\n}\n\nlet textureId = 0;\n\nclass Texture extends EventDispatcher {\n\n\tconstructor( image = Texture.DEFAULT_IMAGE, mapping = Texture.DEFAULT_MAPPING, wrapS = ClampToEdgeWrapping, wrapT = ClampToEdgeWrapping, magFilter = LinearFilter, minFilter = LinearMipmapLinearFilter, format = RGBAFormat, type = UnsignedByteType, anisotropy = 1, encoding = LinearEncoding ) {\n\n\t\tsuper();\n\n\t\tObject.defineProperty( this, 'id', { value: textureId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\n\t\tthis.image = image;\n\t\tthis.mipmaps = [];\n\n\t\tthis.mapping = mapping;\n\n\t\tthis.wrapS = wrapS;\n\t\tthis.wrapT = wrapT;\n\n\t\tthis.magFilter = magFilter;\n\t\tthis.minFilter = minFilter;\n\n\t\tthis.anisotropy = anisotropy;\n\n\t\tthis.format = format;\n\t\tthis.internalFormat = null;\n\t\tthis.type = type;\n\n\t\tthis.offset = new Vector2( 0, 0 );\n\t\tthis.repeat = new Vector2( 1, 1 );\n\t\tthis.center = new Vector2( 0, 0 );\n\t\tthis.rotation = 0;\n\n\t\tthis.matrixAutoUpdate = true;\n\t\tthis.matrix = new Matrix3();\n\n\t\tthis.generateMipmaps = true;\n\t\tthis.premultiplyAlpha = false;\n\t\tthis.flipY = true;\n\t\tthis.unpackAlignment = 4;\t// valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml)\n\n\t\t// Values of encoding !== THREE.LinearEncoding only supported on map, envMap and emissiveMap.\n\t\t//\n\t\t// Also changing the encoding after already used by a Material will not automatically make the Material\n\t\t// update. You need to explicitly call Material.needsUpdate to trigger it to recompile.\n\t\tthis.encoding = encoding;\n\n\t\tthis.userData = {};\n\n\t\tthis.version = 0;\n\t\tthis.onUpdate = null;\n\n\t\tthis.isRenderTargetTexture = false;\n\n\t}\n\n\tupdateMatrix() {\n\n\t\tthis.matrix.setUvTransform( this.offset.x, this.offset.y, this.repeat.x, this.repeat.y, this.rotation, this.center.x, this.center.y );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.image = source.image;\n\t\tthis.mipmaps = source.mipmaps.slice( 0 );\n\n\t\tthis.mapping = source.mapping;\n\n\t\tthis.wrapS = source.wrapS;\n\t\tthis.wrapT = source.wrapT;\n\n\t\tthis.magFilter = source.magFilter;\n\t\tthis.minFilter = source.minFilter;\n\n\t\tthis.anisotropy = source.anisotropy;\n\n\t\tthis.format = source.format;\n\t\tthis.internalFormat = source.internalFormat;\n\t\tthis.type = source.type;\n\n\t\tthis.offset.copy( source.offset );\n\t\tthis.repeat.copy( source.repeat );\n\t\tthis.center.copy( source.center );\n\t\tthis.rotation = source.rotation;\n\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\t\tthis.matrix.copy( source.matrix );\n\n\t\tthis.generateMipmaps = source.generateMipmaps;\n\t\tthis.premultiplyAlpha = source.premultiplyAlpha;\n\t\tthis.flipY = source.flipY;\n\t\tthis.unpackAlignment = source.unpackAlignment;\n\t\tthis.encoding = source.encoding;\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tif ( ! isRootObject && meta.textures[ this.uuid ] !== undefined ) {\n\n\t\t\treturn meta.textures[ this.uuid ];\n\n\t\t}\n\n\t\tconst output = {\n\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Texture',\n\t\t\t\tgenerator: 'Texture.toJSON'\n\t\t\t},\n\n\t\t\tuuid: this.uuid,\n\t\t\tname: this.name,\n\n\t\t\tmapping: this.mapping,\n\n\t\t\trepeat: [ this.repeat.x, this.repeat.y ],\n\t\t\toffset: [ this.offset.x, this.offset.y ],\n\t\t\tcenter: [ this.center.x, this.center.y ],\n\t\t\trotation: this.rotation,\n\n\t\t\twrap: [ this.wrapS, this.wrapT ],\n\n\t\t\tformat: this.format,\n\t\t\ttype: this.type,\n\t\t\tencoding: this.encoding,\n\n\t\t\tminFilter: this.minFilter,\n\t\t\tmagFilter: this.magFilter,\n\t\t\tanisotropy: this.anisotropy,\n\n\t\t\tflipY: this.flipY,\n\n\t\t\tpremultiplyAlpha: this.premultiplyAlpha,\n\t\t\tunpackAlignment: this.unpackAlignment\n\n\t\t};\n\n\t\tif ( this.image !== undefined ) {\n\n\t\t\t// TODO: Move to THREE.Image\n\n\t\t\tconst image = this.image;\n\n\t\t\tif ( image.uuid === undefined ) {\n\n\t\t\t\timage.uuid = generateUUID(); // UGH\n\n\t\t\t}\n\n\t\t\tif ( ! isRootObject && meta.images[ image.uuid ] === undefined ) {\n\n\t\t\t\tlet url;\n\n\t\t\t\tif ( Array.isArray( image ) ) {\n\n\t\t\t\t\t// process array of images e.g. CubeTexture\n\n\t\t\t\t\turl = [];\n\n\t\t\t\t\tfor ( let i = 0, l = image.length; i < l; i ++ ) {\n\n\t\t\t\t\t\t// check cube texture with data textures\n\n\t\t\t\t\t\tif ( image[ i ].isDataTexture ) {\n\n\t\t\t\t\t\t\turl.push( serializeImage( image[ i ].image ) );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\turl.push( serializeImage( image[ i ] ) );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// process single image\n\n\t\t\t\t\turl = serializeImage( image );\n\n\t\t\t\t}\n\n\t\t\t\tmeta.images[ image.uuid ] = {\n\t\t\t\t\tuuid: image.uuid,\n\t\t\t\t\turl: url\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\toutput.image = image.uuid;\n\n\t\t}\n\n\t\tif ( JSON.stringify( this.userData ) !== '{}' ) output.userData = this.userData;\n\n\t\tif ( ! isRootObject ) {\n\n\t\t\tmeta.textures[ this.uuid ] = output;\n\n\t\t}\n\n\t\treturn output;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n\ttransformUv( uv ) {\n\n\t\tif ( this.mapping !== UVMapping ) return uv;\n\n\t\tuv.applyMatrix3( this.matrix );\n\n\t\tif ( uv.x < 0 || uv.x > 1 ) {\n\n\t\t\tswitch ( this.wrapS ) {\n\n\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\tuv.x = uv.x < 0 ? 0 : 1;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\tif ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\tuv.x = Math.ceil( uv.x ) - uv.x;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( uv.y < 0 || uv.y > 1 ) {\n\n\t\t\tswitch ( this.wrapT ) {\n\n\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\tuv.y = uv.y < 0 ? 0 : 1;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\tif ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\tuv.y = Math.ceil( uv.y ) - uv.y;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.flipY ) {\n\n\t\t\tuv.y = 1 - uv.y;\n\n\t\t}\n\n\t\treturn uv;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n}\n\nTexture.DEFAULT_IMAGE = undefined;\nTexture.DEFAULT_MAPPING = UVMapping;\n\nTexture.prototype.isTexture = true;\n\nfunction serializeImage( image ) {\n\n\tif ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) ||\n\t\t( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) ||\n\t\t( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) {\n\n\t\t// default images\n\n\t\treturn ImageUtils.getDataURL( image );\n\n\t} else {\n\n\t\tif ( image.data ) {\n\n\t\t\t// images of DataTexture\n\n\t\t\treturn {\n\t\t\t\tdata: Array.prototype.slice.call( image.data ),\n\t\t\t\twidth: image.width,\n\t\t\t\theight: image.height,\n\t\t\t\ttype: image.data.constructor.name\n\t\t\t};\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.Texture: Unable to serialize Texture.' );\n\t\t\treturn {};\n\n\t\t}\n\n\t}\n\n}\n\nclass Vector4 {\n\n\tconstructor( x = 0, y = 0, z = 0, w = 1 ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\t\tthis.w = w;\n\n\t}\n\n\tget width() {\n\n\t\treturn this.z;\n\n\t}\n\n\tset width( value ) {\n\n\t\tthis.z = value;\n\n\t}\n\n\tget height() {\n\n\t\treturn this.w;\n\n\t}\n\n\tset height( value ) {\n\n\t\tthis.w = value;\n\n\t}\n\n\tset( x, y, z, w ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\t\tthis.w = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\t\tthis.z = scalar;\n\t\tthis.w = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetZ( z ) {\n\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetW( w ) {\n\n\t\tthis.w = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tcase 2: this.z = value; break;\n\t\t\tcase 3: this.w = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tcase 2: return this.z;\n\t\t\tcase 3: return this.w;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y, this.z, this.w );\n\n\t}\n\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\t\tthis.z = v.z;\n\t\tthis.w = ( v.w !== undefined ) ? v.w : 1;\n\n\t\treturn this;\n\n\t}\n\n\tadd( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\treturn this.addVectors( v, w );\n\n\t\t}\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\t\tthis.z += v.z;\n\t\tthis.w += v.w;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\t\tthis.z += s;\n\t\tthis.w += s;\n\n\t\treturn this;\n\n\t}\n\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\t\tthis.z = a.z + b.z;\n\t\tthis.w = a.w + b.w;\n\n\t\treturn this;\n\n\t}\n\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\t\tthis.z += v.z * s;\n\t\tthis.w += v.w * s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\treturn this.subVectors( v, w );\n\n\t\t}\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\t\tthis.z -= v.z;\n\t\tthis.w -= v.w;\n\n\t\treturn this;\n\n\t}\n\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\t\tthis.z -= s;\n\t\tthis.w -= s;\n\n\t\treturn this;\n\n\t}\n\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\t\tthis.z = a.z - b.z;\n\t\tthis.w = a.w - b.w;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( v ) {\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\t\tthis.z *= v.z;\n\t\tthis.w *= v.w;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\t\tthis.z *= scalar;\n\t\tthis.w *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z, w = this.w;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w;\n\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w;\n\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w;\n\t\tthis.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w;\n\n\t\treturn this;\n\n\t}\n\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\tsetAxisAngleFromQuaternion( q ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm\n\n\t\t// q is assumed to be normalized\n\n\t\tthis.w = 2 * Math.acos( q.w );\n\n\t\tconst s = Math.sqrt( 1 - q.w * q.w );\n\n\t\tif ( s < 0.0001 ) {\n\n\t\t\tthis.x = 1;\n\t\t\tthis.y = 0;\n\t\t\tthis.z = 0;\n\n\t\t} else {\n\n\t\t\tthis.x = q.x / s;\n\t\t\tthis.y = q.y / s;\n\t\t\tthis.z = q.z / s;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetAxisAngleFromRotationMatrix( m ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tlet angle, x, y, z; // variables for result\n\t\tconst epsilon = 0.01,\t\t// margin to allow for rounding errors\n\t\t\tepsilon2 = 0.1,\t\t// margin to distinguish between 0 and 180 degrees\n\n\t\t\tte = m.elements,\n\n\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\tif ( ( Math.abs( m12 - m21 ) < epsilon ) &&\n\t\t ( Math.abs( m13 - m31 ) < epsilon ) &&\n\t\t ( Math.abs( m23 - m32 ) < epsilon ) ) {\n\n\t\t\t// singularity found\n\t\t\t// first check for identity matrix which must have +1 for all terms\n\t\t\t// in leading diagonal and zero in other terms\n\n\t\t\tif ( ( Math.abs( m12 + m21 ) < epsilon2 ) &&\n\t\t\t ( Math.abs( m13 + m31 ) < epsilon2 ) &&\n\t\t\t ( Math.abs( m23 + m32 ) < epsilon2 ) &&\n\t\t\t ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) {\n\n\t\t\t\t// this singularity is identity matrix so angle = 0\n\n\t\t\t\tthis.set( 1, 0, 0, 0 );\n\n\t\t\t\treturn this; // zero angle, arbitrary axis\n\n\t\t\t}\n\n\t\t\t// otherwise this singularity is angle = 180\n\n\t\t\tangle = Math.PI;\n\n\t\t\tconst xx = ( m11 + 1 ) / 2;\n\t\t\tconst yy = ( m22 + 1 ) / 2;\n\t\t\tconst zz = ( m33 + 1 ) / 2;\n\t\t\tconst xy = ( m12 + m21 ) / 4;\n\t\t\tconst xz = ( m13 + m31 ) / 4;\n\t\t\tconst yz = ( m23 + m32 ) / 4;\n\n\t\t\tif ( ( xx > yy ) && ( xx > zz ) ) {\n\n\t\t\t\t// m11 is the largest diagonal term\n\n\t\t\t\tif ( xx < epsilon ) {\n\n\t\t\t\t\tx = 0;\n\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tx = Math.sqrt( xx );\n\t\t\t\t\ty = xy / x;\n\t\t\t\t\tz = xz / x;\n\n\t\t\t\t}\n\n\t\t\t} else if ( yy > zz ) {\n\n\t\t\t\t// m22 is the largest diagonal term\n\n\t\t\t\tif ( yy < epsilon ) {\n\n\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\ty = 0;\n\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t} else {\n\n\t\t\t\t\ty = Math.sqrt( yy );\n\t\t\t\t\tx = xy / y;\n\t\t\t\t\tz = yz / y;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// m33 is the largest diagonal term so base result on this\n\n\t\t\t\tif ( zz < epsilon ) {\n\n\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\tz = 0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tz = Math.sqrt( zz );\n\t\t\t\t\tx = xz / z;\n\t\t\t\t\ty = yz / z;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.set( x, y, z, angle );\n\n\t\t\treturn this; // return 180 deg rotation\n\n\t\t}\n\n\t\t// as we have reached here there are no singularities so we can handle normally\n\n\t\tlet s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) +\n\t\t\t( m13 - m31 ) * ( m13 - m31 ) +\n\t\t\t( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize\n\n\t\tif ( Math.abs( s ) < 0.001 ) s = 1;\n\n\t\t// prevent divide by zero, should not happen if matrix is orthogonal and should be\n\t\t// caught by singularity test above, but I've left it in just in case\n\n\t\tthis.x = ( m32 - m23 ) / s;\n\t\tthis.y = ( m13 - m31 ) / s;\n\t\tthis.z = ( m21 - m12 ) / s;\n\t\tthis.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 );\n\n\t\treturn this;\n\n\t}\n\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\t\tthis.z = Math.min( this.z, v.z );\n\t\tthis.w = Math.min( this.w, v.w );\n\n\t\treturn this;\n\n\t}\n\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\t\tthis.z = Math.max( this.z, v.z );\n\t\tthis.w = Math.max( this.w, v.w );\n\n\t\treturn this;\n\n\t}\n\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\t\tthis.w = Math.max( min.w, Math.min( max.w, this.w ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = Math.max( minVal, Math.min( maxVal, this.x ) );\n\t\tthis.y = Math.max( minVal, Math.min( maxVal, this.y ) );\n\t\tthis.z = Math.max( minVal, Math.min( maxVal, this.z ) );\n\t\tthis.w = Math.max( minVal, Math.min( maxVal, this.w ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) );\n\n\t}\n\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\t\tthis.z = Math.floor( this.z );\n\t\tthis.w = Math.floor( this.w );\n\n\t\treturn this;\n\n\t}\n\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\t\tthis.z = Math.ceil( this.z );\n\t\tthis.w = Math.ceil( this.w );\n\n\t\treturn this;\n\n\t}\n\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\t\tthis.z = Math.round( this.z );\n\t\tthis.w = Math.round( this.w );\n\n\t\treturn this;\n\n\t}\n\n\troundToZero() {\n\n\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\t\tthis.w = ( this.w < 0 ) ? Math.ceil( this.w ) : Math.floor( this.w );\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\t\tthis.z = - this.z;\n\t\tthis.w = - this.w;\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w;\n\n\t}\n\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w );\n\n\t}\n\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w );\n\n\t}\n\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\tthis.z += ( v.z - this.z ) * alpha;\n\t\tthis.w += ( v.w - this.w ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\t\tthis.z = v1.z + ( v2.z - v1.z ) * alpha;\n\t\tthis.w = v1.w + ( v2.w - v1.w ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\t\tthis.z = array[ offset + 2 ];\n\t\tthis.w = array[ offset + 3 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\t\tarray[ offset + 2 ] = this.z;\n\t\tarray[ offset + 3 ] = this.w;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index, offset ) {\n\n\t\tif ( offset !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector4: offset has been removed from .fromBufferAttribute().' );\n\n\t\t}\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\t\tthis.z = attribute.getZ( index );\n\t\tthis.w = attribute.getW( index );\n\n\t\treturn this;\n\n\t}\n\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\t\tthis.z = Math.random();\n\t\tthis.w = Math.random();\n\n\t\treturn this;\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.x;\n\t\tyield this.y;\n\t\tyield this.z;\n\t\tyield this.w;\n\n\t}\n\n}\n\nVector4.prototype.isVector4 = true;\n\n/*\n In options, we can specify:\n * Texture parameters for an auto-generated target texture\n * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers\n*/\nclass WebGLRenderTarget extends EventDispatcher {\n\n\tconstructor( width, height, options = {} ) {\n\n\t\tsuper();\n\n\t\tthis.width = width;\n\t\tthis.height = height;\n\t\tthis.depth = 1;\n\n\t\tthis.scissor = new Vector4( 0, 0, width, height );\n\t\tthis.scissorTest = false;\n\n\t\tthis.viewport = new Vector4( 0, 0, width, height );\n\n\t\tthis.texture = new Texture( undefined, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding );\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t\tthis.texture.image = { width: width, height: height, depth: 1 };\n\n\t\tthis.texture.generateMipmaps = options.generateMipmaps !== undefined ? options.generateMipmaps : false;\n\t\tthis.texture.internalFormat = options.internalFormat !== undefined ? options.internalFormat : null;\n\t\tthis.texture.minFilter = options.minFilter !== undefined ? options.minFilter : LinearFilter;\n\n\t\tthis.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true;\n\t\tthis.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : false;\n\t\tthis.depthTexture = options.depthTexture !== undefined ? options.depthTexture : null;\n\n\t}\n\n\tsetTexture( texture ) {\n\n\t\ttexture.image = {\n\t\t\twidth: this.width,\n\t\t\theight: this.height,\n\t\t\tdepth: this.depth\n\t\t};\n\n\t\tthis.texture = texture;\n\n\t}\n\n\tsetSize( width, height, depth = 1 ) {\n\n\t\tif ( this.width !== width || this.height !== height || this.depth !== depth ) {\n\n\t\t\tthis.width = width;\n\t\t\tthis.height = height;\n\t\t\tthis.depth = depth;\n\n\t\t\tthis.texture.image.width = width;\n\t\t\tthis.texture.image.height = height;\n\t\t\tthis.texture.image.depth = depth;\n\n\t\t\tthis.dispose();\n\n\t\t}\n\n\t\tthis.viewport.set( 0, 0, width, height );\n\t\tthis.scissor.set( 0, 0, width, height );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.width = source.width;\n\t\tthis.height = source.height;\n\t\tthis.depth = source.depth;\n\n\t\tthis.viewport.copy( source.viewport );\n\n\t\tthis.texture = source.texture.clone();\n\t\tthis.texture.image = { ...this.texture.image }; // See #20328.\n\n\t\tthis.depthBuffer = source.depthBuffer;\n\t\tthis.stencilBuffer = source.stencilBuffer;\n\t\tthis.depthTexture = source.depthTexture;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n}\n\nWebGLRenderTarget.prototype.isWebGLRenderTarget = true;\n\nclass WebGLMultipleRenderTargets extends WebGLRenderTarget {\n\n\tconstructor( width, height, count ) {\n\n\t\tsuper( width, height );\n\n\t\tconst texture = this.texture;\n\n\t\tthis.texture = [];\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tthis.texture[ i ] = texture.clone();\n\n\t\t}\n\n\t}\n\n\tsetSize( width, height, depth = 1 ) {\n\n\t\tif ( this.width !== width || this.height !== height || this.depth !== depth ) {\n\n\t\t\tthis.width = width;\n\t\t\tthis.height = height;\n\t\t\tthis.depth = depth;\n\n\t\t\tfor ( let i = 0, il = this.texture.length; i < il; i ++ ) {\n\n\t\t\t\tthis.texture[ i ].image.width = width;\n\t\t\t\tthis.texture[ i ].image.height = height;\n\t\t\t\tthis.texture[ i ].image.depth = depth;\n\n\t\t\t}\n\n\t\t\tthis.dispose();\n\n\t\t}\n\n\t\tthis.viewport.set( 0, 0, width, height );\n\t\tthis.scissor.set( 0, 0, width, height );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.dispose();\n\n\t\tthis.width = source.width;\n\t\tthis.height = source.height;\n\t\tthis.depth = source.depth;\n\n\t\tthis.viewport.set( 0, 0, this.width, this.height );\n\t\tthis.scissor.set( 0, 0, this.width, this.height );\n\n\t\tthis.depthBuffer = source.depthBuffer;\n\t\tthis.stencilBuffer = source.stencilBuffer;\n\t\tthis.depthTexture = source.depthTexture;\n\n\t\tthis.texture.length = 0;\n\n\t\tfor ( let i = 0, il = source.texture.length; i < il; i ++ ) {\n\n\t\t\tthis.texture[ i ] = source.texture[ i ].clone();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nWebGLMultipleRenderTargets.prototype.isWebGLMultipleRenderTargets = true;\n\nclass WebGLMultisampleRenderTarget extends WebGLRenderTarget {\n\n\tconstructor( width, height, options = {} ) {\n\n\t\tsuper( width, height, options );\n\n\t\tthis.samples = 4;\n\n\t\tthis.ignoreDepthForMultisampleCopy = options.ignoreDepth !== undefined ? options.ignoreDepth : true;\n\t\tthis.useRenderToTexture = ( options.useRenderToTexture !== undefined ) ? options.useRenderToTexture : false;\n\t\tthis.useRenderbuffer = this.useRenderToTexture === false;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy.call( this, source );\n\n\t\tthis.samples = source.samples;\n\t\tthis.useRenderToTexture = source.useRenderToTexture;\n\t\tthis.useRenderbuffer = source.useRenderbuffer;\n\n\t\treturn this;\n\n\t}\n\n}\n\nWebGLMultisampleRenderTarget.prototype.isWebGLMultisampleRenderTarget = true;\n\nclass Quaternion {\n\n\tconstructor( x = 0, y = 0, z = 0, w = 1 ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._w = w;\n\n\t}\n\n\tstatic slerp( qa, qb, qm, t ) {\n\n\t\tconsole.warn( 'THREE.Quaternion: Static .slerp() has been deprecated. Use qm.slerpQuaternions( qa, qb, t ) instead.' );\n\t\treturn qm.slerpQuaternions( qa, qb, t );\n\n\t}\n\n\tstatic slerpFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) {\n\n\t\t// fuzz-free, array-based Quaternion SLERP operation\n\n\t\tlet x0 = src0[ srcOffset0 + 0 ],\n\t\t\ty0 = src0[ srcOffset0 + 1 ],\n\t\t\tz0 = src0[ srcOffset0 + 2 ],\n\t\t\tw0 = src0[ srcOffset0 + 3 ];\n\n\t\tconst x1 = src1[ srcOffset1 + 0 ],\n\t\t\ty1 = src1[ srcOffset1 + 1 ],\n\t\t\tz1 = src1[ srcOffset1 + 2 ],\n\t\t\tw1 = src1[ srcOffset1 + 3 ];\n\n\t\tif ( t === 0 ) {\n\n\t\t\tdst[ dstOffset + 0 ] = x0;\n\t\t\tdst[ dstOffset + 1 ] = y0;\n\t\t\tdst[ dstOffset + 2 ] = z0;\n\t\t\tdst[ dstOffset + 3 ] = w0;\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( t === 1 ) {\n\n\t\t\tdst[ dstOffset + 0 ] = x1;\n\t\t\tdst[ dstOffset + 1 ] = y1;\n\t\t\tdst[ dstOffset + 2 ] = z1;\n\t\t\tdst[ dstOffset + 3 ] = w1;\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) {\n\n\t\t\tlet s = 1 - t;\n\t\t\tconst cos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1,\n\t\t\t\tdir = ( cos >= 0 ? 1 : - 1 ),\n\t\t\t\tsqrSin = 1 - cos * cos;\n\n\t\t\t// Skip the Slerp for tiny steps to avoid numeric problems:\n\t\t\tif ( sqrSin > Number.EPSILON ) {\n\n\t\t\t\tconst sin = Math.sqrt( sqrSin ),\n\t\t\t\t\tlen = Math.atan2( sin, cos * dir );\n\n\t\t\t\ts = Math.sin( s * len ) / sin;\n\t\t\t\tt = Math.sin( t * len ) / sin;\n\n\t\t\t}\n\n\t\t\tconst tDir = t * dir;\n\n\t\t\tx0 = x0 * s + x1 * tDir;\n\t\t\ty0 = y0 * s + y1 * tDir;\n\t\t\tz0 = z0 * s + z1 * tDir;\n\t\t\tw0 = w0 * s + w1 * tDir;\n\n\t\t\t// Normalize in case we just did a lerp:\n\t\t\tif ( s === 1 - t ) {\n\n\t\t\t\tconst f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 );\n\n\t\t\t\tx0 *= f;\n\t\t\t\ty0 *= f;\n\t\t\t\tz0 *= f;\n\t\t\t\tw0 *= f;\n\n\t\t\t}\n\n\t\t}\n\n\t\tdst[ dstOffset ] = x0;\n\t\tdst[ dstOffset + 1 ] = y0;\n\t\tdst[ dstOffset + 2 ] = z0;\n\t\tdst[ dstOffset + 3 ] = w0;\n\n\t}\n\n\tstatic multiplyQuaternionsFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1 ) {\n\n\t\tconst x0 = src0[ srcOffset0 ];\n\t\tconst y0 = src0[ srcOffset0 + 1 ];\n\t\tconst z0 = src0[ srcOffset0 + 2 ];\n\t\tconst w0 = src0[ srcOffset0 + 3 ];\n\n\t\tconst x1 = src1[ srcOffset1 ];\n\t\tconst y1 = src1[ srcOffset1 + 1 ];\n\t\tconst z1 = src1[ srcOffset1 + 2 ];\n\t\tconst w1 = src1[ srcOffset1 + 3 ];\n\n\t\tdst[ dstOffset ] = x0 * w1 + w0 * x1 + y0 * z1 - z0 * y1;\n\t\tdst[ dstOffset + 1 ] = y0 * w1 + w0 * y1 + z0 * x1 - x0 * z1;\n\t\tdst[ dstOffset + 2 ] = z0 * w1 + w0 * z1 + x0 * y1 - y0 * x1;\n\t\tdst[ dstOffset + 3 ] = w0 * w1 - x0 * x1 - y0 * y1 - z0 * z1;\n\n\t\treturn dst;\n\n\t}\n\n\tget x() {\n\n\t\treturn this._x;\n\n\t}\n\n\tset x( value ) {\n\n\t\tthis._x = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget y() {\n\n\t\treturn this._y;\n\n\t}\n\n\tset y( value ) {\n\n\t\tthis._y = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget z() {\n\n\t\treturn this._z;\n\n\t}\n\n\tset z( value ) {\n\n\t\tthis._z = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget w() {\n\n\t\treturn this._w;\n\n\t}\n\n\tset w( value ) {\n\n\t\tthis._w = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tset( x, y, z, w ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._w = w;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this._x, this._y, this._z, this._w );\n\n\t}\n\n\tcopy( quaternion ) {\n\n\t\tthis._x = quaternion.x;\n\t\tthis._y = quaternion.y;\n\t\tthis._z = quaternion.z;\n\t\tthis._w = quaternion.w;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromEuler( euler, update ) {\n\n\t\tif ( ! ( euler && euler.isEuler ) ) {\n\n\t\t\tthrow new Error( 'THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t}\n\n\t\tconst x = euler._x, y = euler._y, z = euler._z, order = euler._order;\n\n\t\t// http://www.mathworks.com/matlabcentral/fileexchange/\n\t\t// \t20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/\n\t\t//\tcontent/SpinCalc.m\n\n\t\tconst cos = Math.cos;\n\t\tconst sin = Math.sin;\n\n\t\tconst c1 = cos( x / 2 );\n\t\tconst c2 = cos( y / 2 );\n\t\tconst c3 = cos( z / 2 );\n\n\t\tconst s1 = sin( x / 2 );\n\t\tconst s2 = sin( y / 2 );\n\t\tconst s3 = sin( z / 2 );\n\n\t\tswitch ( order ) {\n\n\t\t\tcase 'XYZ':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'YXZ':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZXY':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZYX':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'YZX':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'XZY':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tconsole.warn( 'THREE.Quaternion: .setFromEuler() encountered an unknown order: ' + order );\n\n\t\t}\n\n\t\tif ( update !== false ) this._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromAxisAngle( axis, angle ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm\n\n\t\t// assumes axis is normalized\n\n\t\tconst halfAngle = angle / 2, s = Math.sin( halfAngle );\n\n\t\tthis._x = axis.x * s;\n\t\tthis._y = axis.y * s;\n\t\tthis._z = axis.z * s;\n\t\tthis._w = Math.cos( halfAngle );\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromRotationMatrix( m ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tconst te = m.elements,\n\n\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ],\n\n\t\t\ttrace = m11 + m22 + m33;\n\n\t\tif ( trace > 0 ) {\n\n\t\t\tconst s = 0.5 / Math.sqrt( trace + 1.0 );\n\n\t\t\tthis._w = 0.25 / s;\n\t\t\tthis._x = ( m32 - m23 ) * s;\n\t\t\tthis._y = ( m13 - m31 ) * s;\n\t\t\tthis._z = ( m21 - m12 ) * s;\n\n\t\t} else if ( m11 > m22 && m11 > m33 ) {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 );\n\n\t\t\tthis._w = ( m32 - m23 ) / s;\n\t\t\tthis._x = 0.25 * s;\n\t\t\tthis._y = ( m12 + m21 ) / s;\n\t\t\tthis._z = ( m13 + m31 ) / s;\n\n\t\t} else if ( m22 > m33 ) {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 );\n\n\t\t\tthis._w = ( m13 - m31 ) / s;\n\t\t\tthis._x = ( m12 + m21 ) / s;\n\t\t\tthis._y = 0.25 * s;\n\t\t\tthis._z = ( m23 + m32 ) / s;\n\n\t\t} else {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 );\n\n\t\t\tthis._w = ( m21 - m12 ) / s;\n\t\t\tthis._x = ( m13 + m31 ) / s;\n\t\t\tthis._y = ( m23 + m32 ) / s;\n\t\t\tthis._z = 0.25 * s;\n\n\t\t}\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromUnitVectors( vFrom, vTo ) {\n\n\t\t// assumes direction vectors vFrom and vTo are normalized\n\n\t\tlet r = vFrom.dot( vTo ) + 1;\n\n\t\tif ( r < Number.EPSILON ) {\n\n\t\t\t// vFrom and vTo point in opposite directions\n\n\t\t\tr = 0;\n\n\t\t\tif ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) {\n\n\t\t\t\tthis._x = - vFrom.y;\n\t\t\t\tthis._y = vFrom.x;\n\t\t\t\tthis._z = 0;\n\t\t\t\tthis._w = r;\n\n\t\t\t} else {\n\n\t\t\t\tthis._x = 0;\n\t\t\t\tthis._y = - vFrom.z;\n\t\t\t\tthis._z = vFrom.y;\n\t\t\t\tthis._w = r;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// crossVectors( vFrom, vTo ); // inlined to avoid cyclic dependency on Vector3\n\n\t\t\tthis._x = vFrom.y * vTo.z - vFrom.z * vTo.y;\n\t\t\tthis._y = vFrom.z * vTo.x - vFrom.x * vTo.z;\n\t\t\tthis._z = vFrom.x * vTo.y - vFrom.y * vTo.x;\n\t\t\tthis._w = r;\n\n\t\t}\n\n\t\treturn this.normalize();\n\n\t}\n\n\tangleTo( q ) {\n\n\t\treturn 2 * Math.acos( Math.abs( clamp( this.dot( q ), - 1, 1 ) ) );\n\n\t}\n\n\trotateTowards( q, step ) {\n\n\t\tconst angle = this.angleTo( q );\n\n\t\tif ( angle === 0 ) return this;\n\n\t\tconst t = Math.min( 1, step / angle );\n\n\t\tthis.slerp( q, t );\n\n\t\treturn this;\n\n\t}\n\n\tidentity() {\n\n\t\treturn this.set( 0, 0, 0, 1 );\n\n\t}\n\n\tinvert() {\n\n\t\t// quaternion is assumed to have unit length\n\n\t\treturn this.conjugate();\n\n\t}\n\n\tconjugate() {\n\n\t\tthis._x *= - 1;\n\t\tthis._y *= - 1;\n\t\tthis._z *= - 1;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w;\n\n\t}\n\n\tlengthSq() {\n\n\t\treturn this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w );\n\n\t}\n\n\tnormalize() {\n\n\t\tlet l = this.length();\n\n\t\tif ( l === 0 ) {\n\n\t\t\tthis._x = 0;\n\t\t\tthis._y = 0;\n\t\t\tthis._z = 0;\n\t\t\tthis._w = 1;\n\n\t\t} else {\n\n\t\t\tl = 1 / l;\n\n\t\t\tthis._x = this._x * l;\n\t\t\tthis._y = this._y * l;\n\t\t\tthis._z = this._z * l;\n\t\t\tthis._w = this._w * l;\n\n\t\t}\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( q, p ) {\n\n\t\tif ( p !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.' );\n\t\t\treturn this.multiplyQuaternions( q, p );\n\n\t\t}\n\n\t\treturn this.multiplyQuaternions( this, q );\n\n\t}\n\n\tpremultiply( q ) {\n\n\t\treturn this.multiplyQuaternions( q, this );\n\n\t}\n\n\tmultiplyQuaternions( a, b ) {\n\n\t\t// from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm\n\n\t\tconst qax = a._x, qay = a._y, qaz = a._z, qaw = a._w;\n\t\tconst qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w;\n\n\t\tthis._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby;\n\t\tthis._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz;\n\t\tthis._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx;\n\t\tthis._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tslerp( qb, t ) {\n\n\t\tif ( t === 0 ) return this;\n\t\tif ( t === 1 ) return this.copy( qb );\n\n\t\tconst x = this._x, y = this._y, z = this._z, w = this._w;\n\n\t\t// http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/\n\n\t\tlet cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z;\n\n\t\tif ( cosHalfTheta < 0 ) {\n\n\t\t\tthis._w = - qb._w;\n\t\t\tthis._x = - qb._x;\n\t\t\tthis._y = - qb._y;\n\t\t\tthis._z = - qb._z;\n\n\t\t\tcosHalfTheta = - cosHalfTheta;\n\n\t\t} else {\n\n\t\t\tthis.copy( qb );\n\n\t\t}\n\n\t\tif ( cosHalfTheta >= 1.0 ) {\n\n\t\t\tthis._w = w;\n\t\t\tthis._x = x;\n\t\t\tthis._y = y;\n\t\t\tthis._z = z;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst sqrSinHalfTheta = 1.0 - cosHalfTheta * cosHalfTheta;\n\n\t\tif ( sqrSinHalfTheta <= Number.EPSILON ) {\n\n\t\t\tconst s = 1 - t;\n\t\t\tthis._w = s * w + t * this._w;\n\t\t\tthis._x = s * x + t * this._x;\n\t\t\tthis._y = s * y + t * this._y;\n\t\t\tthis._z = s * z + t * this._z;\n\n\t\t\tthis.normalize();\n\t\t\tthis._onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst sinHalfTheta = Math.sqrt( sqrSinHalfTheta );\n\t\tconst halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta );\n\t\tconst ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta,\n\t\t\tratioB = Math.sin( t * halfTheta ) / sinHalfTheta;\n\n\t\tthis._w = ( w * ratioA + this._w * ratioB );\n\t\tthis._x = ( x * ratioA + this._x * ratioB );\n\t\tthis._y = ( y * ratioA + this._y * ratioB );\n\t\tthis._z = ( z * ratioA + this._z * ratioB );\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tslerpQuaternions( qa, qb, t ) {\n\n\t\tthis.copy( qa ).slerp( qb, t );\n\n\t}\n\n\trandom() {\n\n\t\t// Derived from http://planning.cs.uiuc.edu/node198.html\n\t\t// Note, this source uses w, x, y, z ordering,\n\t\t// so we swap the order below.\n\n\t\tconst u1 = Math.random();\n\t\tconst sqrt1u1 = Math.sqrt( 1 - u1 );\n\t\tconst sqrtu1 = Math.sqrt( u1 );\n\n\t\tconst u2 = 2 * Math.PI * Math.random();\n\n\t\tconst u3 = 2 * Math.PI * Math.random();\n\n\t\treturn this.set(\n\t\t\tsqrt1u1 * Math.cos( u2 ),\n\t\t\tsqrtu1 * Math.sin( u3 ),\n\t\t\tsqrtu1 * Math.cos( u3 ),\n\t\t\tsqrt1u1 * Math.sin( u2 ),\n\t\t);\n\n\t}\n\n\tequals( quaternion ) {\n\n\t\treturn ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis._x = array[ offset ];\n\t\tthis._y = array[ offset + 1 ];\n\t\tthis._z = array[ offset + 2 ];\n\t\tthis._w = array[ offset + 3 ];\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this._x;\n\t\tarray[ offset + 1 ] = this._y;\n\t\tarray[ offset + 2 ] = this._z;\n\t\tarray[ offset + 3 ] = this._w;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis._x = attribute.getX( index );\n\t\tthis._y = attribute.getY( index );\n\t\tthis._z = attribute.getZ( index );\n\t\tthis._w = attribute.getW( index );\n\n\t\treturn this;\n\n\t}\n\n\t_onChange( callback ) {\n\n\t\tthis._onChangeCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\t_onChangeCallback() {}\n\n}\n\nQuaternion.prototype.isQuaternion = true;\n\nclass Vector3 {\n\n\tconstructor( x = 0, y = 0, z = 0 ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\n\t}\n\n\tset( x, y, z ) {\n\n\t\tif ( z === undefined ) z = this.z; // sprite.scale.set(x,y)\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\t\tthis.z = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetZ( z ) {\n\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tcase 2: this.z = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tcase 2: return this.z;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y, this.z );\n\n\t}\n\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\t\tthis.z = v.z;\n\n\t\treturn this;\n\n\t}\n\n\tadd( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\treturn this.addVectors( v, w );\n\n\t\t}\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\t\tthis.z += v.z;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\t\tthis.z += s;\n\n\t\treturn this;\n\n\t}\n\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\t\tthis.z = a.z + b.z;\n\n\t\treturn this;\n\n\t}\n\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\t\tthis.z += v.z * s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\treturn this.subVectors( v, w );\n\n\t\t}\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\t\tthis.z -= v.z;\n\n\t\treturn this;\n\n\t}\n\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\t\tthis.z -= s;\n\n\t\treturn this;\n\n\t}\n\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\t\tthis.z = a.z - b.z;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.' );\n\t\t\treturn this.multiplyVectors( v, w );\n\n\t\t}\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\t\tthis.z *= v.z;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\t\tthis.z *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyVectors( a, b ) {\n\n\t\tthis.x = a.x * b.x;\n\t\tthis.y = a.y * b.y;\n\t\tthis.z = a.z * b.z;\n\n\t\treturn this;\n\n\t}\n\n\tapplyEuler( euler ) {\n\n\t\tif ( ! ( euler && euler.isEuler ) ) {\n\n\t\t\tconsole.error( 'THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t}\n\n\t\treturn this.applyQuaternion( _quaternion$4.setFromEuler( euler ) );\n\n\t}\n\n\tapplyAxisAngle( axis, angle ) {\n\n\t\treturn this.applyQuaternion( _quaternion$4.setFromAxisAngle( axis, angle ) );\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z;\n\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z;\n\t\tthis.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z;\n\n\t\treturn this;\n\n\t}\n\n\tapplyNormalMatrix( m ) {\n\n\t\treturn this.applyMatrix3( m ).normalize();\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tconst w = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] );\n\n\t\tthis.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * w;\n\t\tthis.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * w;\n\t\tthis.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * w;\n\n\t\treturn this;\n\n\t}\n\n\tapplyQuaternion( q ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst qx = q.x, qy = q.y, qz = q.z, qw = q.w;\n\n\t\t// calculate quat * vector\n\n\t\tconst ix = qw * x + qy * z - qz * y;\n\t\tconst iy = qw * y + qz * x - qx * z;\n\t\tconst iz = qw * z + qx * y - qy * x;\n\t\tconst iw = - qx * x - qy * y - qz * z;\n\n\t\t// calculate result * inverse quat\n\n\t\tthis.x = ix * qw + iw * - qx + iy * - qz - iz * - qy;\n\t\tthis.y = iy * qw + iw * - qy + iz * - qx - ix * - qz;\n\t\tthis.z = iz * qw + iw * - qz + ix * - qy - iy * - qx;\n\n\t\treturn this;\n\n\t}\n\n\tproject( camera ) {\n\n\t\treturn this.applyMatrix4( camera.matrixWorldInverse ).applyMatrix4( camera.projectionMatrix );\n\n\t}\n\n\tunproject( camera ) {\n\n\t\treturn this.applyMatrix4( camera.projectionMatrixInverse ).applyMatrix4( camera.matrixWorld );\n\n\t}\n\n\ttransformDirection( m ) {\n\n\t\t// input: THREE.Matrix4 affine matrix\n\t\t// vector interpreted as a direction\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z;\n\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z;\n\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z;\n\n\t\treturn this.normalize();\n\n\t}\n\n\tdivide( v ) {\n\n\t\tthis.x /= v.x;\n\t\tthis.y /= v.y;\n\t\tthis.z /= v.z;\n\n\t\treturn this;\n\n\t}\n\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\t\tthis.z = Math.min( this.z, v.z );\n\n\t\treturn this;\n\n\t}\n\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\t\tthis.z = Math.max( this.z, v.z );\n\n\t\treturn this;\n\n\t}\n\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = Math.max( minVal, Math.min( maxVal, this.x ) );\n\t\tthis.y = Math.max( minVal, Math.min( maxVal, this.y ) );\n\t\tthis.z = Math.max( minVal, Math.min( maxVal, this.z ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) );\n\n\t}\n\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\t\tthis.z = Math.floor( this.z );\n\n\t\treturn this;\n\n\t}\n\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\t\tthis.z = Math.ceil( this.z );\n\n\t\treturn this;\n\n\t}\n\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\t\tthis.z = Math.round( this.z );\n\n\t\treturn this;\n\n\t}\n\n\troundToZero() {\n\n\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\t\tthis.z = - this.z;\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y + this.z * v.z;\n\n\t}\n\n\t// TODO lengthSquared?\n\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y + this.z * this.z;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z );\n\n\t}\n\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z );\n\n\t}\n\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\tthis.z += ( v.z - this.z ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\t\tthis.z = v1.z + ( v2.z - v1.z ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tcross( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.' );\n\t\t\treturn this.crossVectors( v, w );\n\n\t\t}\n\n\t\treturn this.crossVectors( this, v );\n\n\t}\n\n\tcrossVectors( a, b ) {\n\n\t\tconst ax = a.x, ay = a.y, az = a.z;\n\t\tconst bx = b.x, by = b.y, bz = b.z;\n\n\t\tthis.x = ay * bz - az * by;\n\t\tthis.y = az * bx - ax * bz;\n\t\tthis.z = ax * by - ay * bx;\n\n\t\treturn this;\n\n\t}\n\n\tprojectOnVector( v ) {\n\n\t\tconst denominator = v.lengthSq();\n\n\t\tif ( denominator === 0 ) return this.set( 0, 0, 0 );\n\n\t\tconst scalar = v.dot( this ) / denominator;\n\n\t\treturn this.copy( v ).multiplyScalar( scalar );\n\n\t}\n\n\tprojectOnPlane( planeNormal ) {\n\n\t\t_vector$c.copy( this ).projectOnVector( planeNormal );\n\n\t\treturn this.sub( _vector$c );\n\n\t}\n\n\treflect( normal ) {\n\n\t\t// reflect incident vector off plane orthogonal to normal\n\t\t// normal is assumed to have unit length\n\n\t\treturn this.sub( _vector$c.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) );\n\n\t}\n\n\tangleTo( v ) {\n\n\t\tconst denominator = Math.sqrt( this.lengthSq() * v.lengthSq() );\n\n\t\tif ( denominator === 0 ) return Math.PI / 2;\n\n\t\tconst theta = this.dot( v ) / denominator;\n\n\t\t// clamp, to handle numerical problems\n\n\t\treturn Math.acos( clamp( theta, - 1, 1 ) );\n\n\t}\n\n\tdistanceTo( v ) {\n\n\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t}\n\n\tdistanceToSquared( v ) {\n\n\t\tconst dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z;\n\n\t\treturn dx * dx + dy * dy + dz * dz;\n\n\t}\n\n\tmanhattanDistanceTo( v ) {\n\n\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z );\n\n\t}\n\n\tsetFromSpherical( s ) {\n\n\t\treturn this.setFromSphericalCoords( s.radius, s.phi, s.theta );\n\n\t}\n\n\tsetFromSphericalCoords( radius, phi, theta ) {\n\n\t\tconst sinPhiRadius = Math.sin( phi ) * radius;\n\n\t\tthis.x = sinPhiRadius * Math.sin( theta );\n\t\tthis.y = Math.cos( phi ) * radius;\n\t\tthis.z = sinPhiRadius * Math.cos( theta );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCylindrical( c ) {\n\n\t\treturn this.setFromCylindricalCoords( c.radius, c.theta, c.y );\n\n\t}\n\n\tsetFromCylindricalCoords( radius, theta, y ) {\n\n\t\tthis.x = radius * Math.sin( theta );\n\t\tthis.y = y;\n\t\tthis.z = radius * Math.cos( theta );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixPosition( m ) {\n\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 12 ];\n\t\tthis.y = e[ 13 ];\n\t\tthis.z = e[ 14 ];\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixScale( m ) {\n\n\t\tconst sx = this.setFromMatrixColumn( m, 0 ).length();\n\t\tconst sy = this.setFromMatrixColumn( m, 1 ).length();\n\t\tconst sz = this.setFromMatrixColumn( m, 2 ).length();\n\n\t\tthis.x = sx;\n\t\tthis.y = sy;\n\t\tthis.z = sz;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixColumn( m, index ) {\n\n\t\treturn this.fromArray( m.elements, index * 4 );\n\n\t}\n\n\tsetFromMatrix3Column( m, index ) {\n\n\t\treturn this.fromArray( m.elements, index * 3 );\n\n\t}\n\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\t\tthis.z = array[ offset + 2 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\t\tarray[ offset + 2 ] = this.z;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index, offset ) {\n\n\t\tif ( offset !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector3: offset has been removed from .fromBufferAttribute().' );\n\n\t\t}\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\t\tthis.z = attribute.getZ( index );\n\n\t\treturn this;\n\n\t}\n\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\t\tthis.z = Math.random();\n\n\t\treturn this;\n\n\t}\n\n\trandomDirection() {\n\n\t\t// Derived from https://mathworld.wolfram.com/SpherePointPicking.html\n\n\t\tconst u = ( Math.random() - 0.5 ) * 2;\n\t\tconst t = Math.random() * Math.PI * 2;\n\t\tconst f = Math.sqrt( 1 - u ** 2 );\n\n\t\tthis.x = f * Math.cos( t );\n\t\tthis.y = f * Math.sin( t );\n\t\tthis.z = u;\n\n\t\treturn this;\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.x;\n\t\tyield this.y;\n\t\tyield this.z;\n\n\t}\n\n}\n\nVector3.prototype.isVector3 = true;\n\nconst _vector$c = /*@__PURE__*/ new Vector3();\nconst _quaternion$4 = /*@__PURE__*/ new Quaternion();\n\nclass Box3 {\n\n\tconstructor( min = new Vector3( + Infinity, + Infinity, + Infinity ), max = new Vector3( - Infinity, - Infinity, - Infinity ) ) {\n\n\t\tthis.min = min;\n\t\tthis.max = max;\n\n\t}\n\n\tset( min, max ) {\n\n\t\tthis.min.copy( min );\n\t\tthis.max.copy( max );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromArray( array ) {\n\n\t\tlet minX = + Infinity;\n\t\tlet minY = + Infinity;\n\t\tlet minZ = + Infinity;\n\n\t\tlet maxX = - Infinity;\n\t\tlet maxY = - Infinity;\n\t\tlet maxZ = - Infinity;\n\n\t\tfor ( let i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\tconst x = array[ i ];\n\t\t\tconst y = array[ i + 1 ];\n\t\t\tconst z = array[ i + 2 ];\n\n\t\t\tif ( x < minX ) minX = x;\n\t\t\tif ( y < minY ) minY = y;\n\t\t\tif ( z < minZ ) minZ = z;\n\n\t\t\tif ( x > maxX ) maxX = x;\n\t\t\tif ( y > maxY ) maxY = y;\n\t\t\tif ( z > maxZ ) maxZ = z;\n\n\t\t}\n\n\t\tthis.min.set( minX, minY, minZ );\n\t\tthis.max.set( maxX, maxY, maxZ );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromBufferAttribute( attribute ) {\n\n\t\tlet minX = + Infinity;\n\t\tlet minY = + Infinity;\n\t\tlet minZ = + Infinity;\n\n\t\tlet maxX = - Infinity;\n\t\tlet maxY = - Infinity;\n\t\tlet maxZ = - Infinity;\n\n\t\tfor ( let i = 0, l = attribute.count; i < l; i ++ ) {\n\n\t\t\tconst x = attribute.getX( i );\n\t\t\tconst y = attribute.getY( i );\n\t\t\tconst z = attribute.getZ( i );\n\n\t\t\tif ( x < minX ) minX = x;\n\t\t\tif ( y < minY ) minY = y;\n\t\t\tif ( z < minZ ) minZ = z;\n\n\t\t\tif ( x > maxX ) maxX = x;\n\t\t\tif ( y > maxY ) maxY = y;\n\t\t\tif ( z > maxZ ) maxZ = z;\n\n\t\t}\n\n\t\tthis.min.set( minX, minY, minZ );\n\t\tthis.max.set( maxX, maxY, maxZ );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCenterAndSize( center, size ) {\n\n\t\tconst halfSize = _vector$b.copy( size ).multiplyScalar( 0.5 );\n\n\t\tthis.min.copy( center ).sub( halfSize );\n\t\tthis.max.copy( center ).add( halfSize );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromObject( object ) {\n\n\t\tthis.makeEmpty();\n\n\t\treturn this.expandByObject( object );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( box ) {\n\n\t\tthis.min.copy( box.min );\n\t\tthis.max.copy( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tmakeEmpty() {\n\n\t\tthis.min.x = this.min.y = this.min.z = + Infinity;\n\t\tthis.max.x = this.max.y = this.max.z = - Infinity;\n\n\t\treturn this;\n\n\t}\n\n\tisEmpty() {\n\n\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z );\n\n\t}\n\n\tgetCenter( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t}\n\n\tgetSize( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0, 0 ) : target.subVectors( this.max, this.min );\n\n\t}\n\n\texpandByPoint( point ) {\n\n\t\tthis.min.min( point );\n\t\tthis.max.max( point );\n\n\t\treturn this;\n\n\t}\n\n\texpandByVector( vector ) {\n\n\t\tthis.min.sub( vector );\n\t\tthis.max.add( vector );\n\n\t\treturn this;\n\n\t}\n\n\texpandByScalar( scalar ) {\n\n\t\tthis.min.addScalar( - scalar );\n\t\tthis.max.addScalar( scalar );\n\n\t\treturn this;\n\n\t}\n\n\texpandByObject( object ) {\n\n\t\t// Computes the world-axis-aligned bounding box of an object (including its children),\n\t\t// accounting for both the object's, and children's, world transforms\n\n\t\tobject.updateWorldMatrix( false, false );\n\n\t\tconst geometry = object.geometry;\n\n\t\tif ( geometry !== undefined ) {\n\n\t\t\tif ( geometry.boundingBox === null ) {\n\n\t\t\t\tgeometry.computeBoundingBox();\n\n\t\t\t}\n\n\t\t\t_box$3.copy( geometry.boundingBox );\n\t\t\t_box$3.applyMatrix4( object.matrixWorld );\n\n\t\t\tthis.union( _box$3 );\n\n\t\t}\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tthis.expandByObject( children[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn point.x < this.min.x || point.x > this.max.x ||\n\t\t\tpoint.y < this.min.y || point.y > this.max.y ||\n\t\t\tpoint.z < this.min.z || point.z > this.max.z ? false : true;\n\n\t}\n\n\tcontainsBox( box ) {\n\n\t\treturn this.min.x <= box.min.x && box.max.x <= this.max.x &&\n\t\t\tthis.min.y <= box.min.y && box.max.y <= this.max.y &&\n\t\t\tthis.min.z <= box.min.z && box.max.z <= this.max.z;\n\n\t}\n\n\tgetParameter( point, target ) {\n\n\t\t// This can potentially have a divide by zero if the box\n\t\t// has a size dimension of 0.\n\n\t\treturn target.set(\n\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y ),\n\t\t\t( point.z - this.min.z ) / ( this.max.z - this.min.z )\n\t\t);\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\t// using 6 splitting planes to rule out intersections.\n\t\treturn box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\tbox.max.y < this.min.y || box.min.y > this.max.y ||\n\t\t\tbox.max.z < this.min.z || box.min.z > this.max.z ? false : true;\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\t// Find the point on the AABB closest to the sphere center.\n\t\tthis.clampPoint( sphere.center, _vector$b );\n\n\t\t// If that point is inside the sphere, the AABB and sphere intersect.\n\t\treturn _vector$b.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t}\n\n\tintersectsPlane( plane ) {\n\n\t\t// We compute the minimum and maximum dot product values. If those values\n\t\t// are on the same side (back or front) of the plane, then there is no intersection.\n\n\t\tlet min, max;\n\n\t\tif ( plane.normal.x > 0 ) {\n\n\t\t\tmin = plane.normal.x * this.min.x;\n\t\t\tmax = plane.normal.x * this.max.x;\n\n\t\t} else {\n\n\t\t\tmin = plane.normal.x * this.max.x;\n\t\t\tmax = plane.normal.x * this.min.x;\n\n\t\t}\n\n\t\tif ( plane.normal.y > 0 ) {\n\n\t\t\tmin += plane.normal.y * this.min.y;\n\t\t\tmax += plane.normal.y * this.max.y;\n\n\t\t} else {\n\n\t\t\tmin += plane.normal.y * this.max.y;\n\t\t\tmax += plane.normal.y * this.min.y;\n\n\t\t}\n\n\t\tif ( plane.normal.z > 0 ) {\n\n\t\t\tmin += plane.normal.z * this.min.z;\n\t\t\tmax += plane.normal.z * this.max.z;\n\n\t\t} else {\n\n\t\t\tmin += plane.normal.z * this.max.z;\n\t\t\tmax += plane.normal.z * this.min.z;\n\n\t\t}\n\n\t\treturn ( min <= - plane.constant && max >= - plane.constant );\n\n\t}\n\n\tintersectsTriangle( triangle ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// compute box center and extents\n\t\tthis.getCenter( _center );\n\t\t_extents.subVectors( this.max, _center );\n\n\t\t// translate triangle to aabb origin\n\t\t_v0$2.subVectors( triangle.a, _center );\n\t\t_v1$7.subVectors( triangle.b, _center );\n\t\t_v2$3.subVectors( triangle.c, _center );\n\n\t\t// compute edge vectors for triangle\n\t\t_f0.subVectors( _v1$7, _v0$2 );\n\t\t_f1.subVectors( _v2$3, _v1$7 );\n\t\t_f2.subVectors( _v0$2, _v2$3 );\n\n\t\t// test against axes that are given by cross product combinations of the edges of the triangle and the edges of the aabb\n\t\t// make an axis testing of each of the 3 sides of the aabb against each of the 3 sides of the triangle = 9 axis of separation\n\t\t// axis_ij = u_i x f_j (u0, u1, u2 = face normals of aabb = x,y,z axes vectors since aabb is axis aligned)\n\t\tlet axes = [\n\t\t\t0, - _f0.z, _f0.y, 0, - _f1.z, _f1.y, 0, - _f2.z, _f2.y,\n\t\t\t_f0.z, 0, - _f0.x, _f1.z, 0, - _f1.x, _f2.z, 0, - _f2.x,\n\t\t\t- _f0.y, _f0.x, 0, - _f1.y, _f1.x, 0, - _f2.y, _f2.x, 0\n\t\t];\n\t\tif ( ! satForAxes( axes, _v0$2, _v1$7, _v2$3, _extents ) ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// test 3 face normals from the aabb\n\t\taxes = [ 1, 0, 0, 0, 1, 0, 0, 0, 1 ];\n\t\tif ( ! satForAxes( axes, _v0$2, _v1$7, _v2$3, _extents ) ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// finally testing the face normal of the triangle\n\t\t// use already existing triangle edge vectors here\n\t\t_triangleNormal.crossVectors( _f0, _f1 );\n\t\taxes = [ _triangleNormal.x, _triangleNormal.y, _triangleNormal.z ];\n\n\t\treturn satForAxes( axes, _v0$2, _v1$7, _v2$3, _extents );\n\n\t}\n\n\tclampPoint( point, target ) {\n\n\t\treturn target.copy( point ).clamp( this.min, this.max );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\tconst clampedPoint = _vector$b.copy( point ).clamp( this.min, this.max );\n\n\t\treturn clampedPoint.sub( point ).length();\n\n\t}\n\n\tgetBoundingSphere( target ) {\n\n\t\tthis.getCenter( target.center );\n\n\t\ttarget.radius = this.getSize( _vector$b ).length() * 0.5;\n\n\t\treturn target;\n\n\t}\n\n\tintersect( box ) {\n\n\t\tthis.min.max( box.min );\n\t\tthis.max.min( box.max );\n\n\t\t// ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values.\n\t\tif ( this.isEmpty() ) this.makeEmpty();\n\n\t\treturn this;\n\n\t}\n\n\tunion( box ) {\n\n\t\tthis.min.min( box.min );\n\t\tthis.max.max( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\t// transform of empty box is an empty box.\n\t\tif ( this.isEmpty() ) return this;\n\n\t\t// NOTE: I am using a binary pattern to specify all 2^3 combinations below\n\t\t_points[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000\n\t\t_points[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001\n\t\t_points[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010\n\t\t_points[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011\n\t\t_points[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100\n\t\t_points[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101\n\t\t_points[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110\n\t\t_points[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 111\n\n\t\tthis.setFromPoints( _points );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.min.add( offset );\n\t\tthis.max.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\tequals( box ) {\n\n\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t}\n\n}\n\nBox3.prototype.isBox3 = true;\n\nconst _points = [\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3()\n];\n\nconst _vector$b = /*@__PURE__*/ new Vector3();\n\nconst _box$3 = /*@__PURE__*/ new Box3();\n\n// triangle centered vertices\n\nconst _v0$2 = /*@__PURE__*/ new Vector3();\nconst _v1$7 = /*@__PURE__*/ new Vector3();\nconst _v2$3 = /*@__PURE__*/ new Vector3();\n\n// triangle edge vectors\n\nconst _f0 = /*@__PURE__*/ new Vector3();\nconst _f1 = /*@__PURE__*/ new Vector3();\nconst _f2 = /*@__PURE__*/ new Vector3();\n\nconst _center = /*@__PURE__*/ new Vector3();\nconst _extents = /*@__PURE__*/ new Vector3();\nconst _triangleNormal = /*@__PURE__*/ new Vector3();\nconst _testAxis = /*@__PURE__*/ new Vector3();\n\nfunction satForAxes( axes, v0, v1, v2, extents ) {\n\n\tfor ( let i = 0, j = axes.length - 3; i <= j; i += 3 ) {\n\n\t\t_testAxis.fromArray( axes, i );\n\t\t// project the aabb onto the seperating axis\n\t\tconst r = extents.x * Math.abs( _testAxis.x ) + extents.y * Math.abs( _testAxis.y ) + extents.z * Math.abs( _testAxis.z );\n\t\t// project all 3 vertices of the triangle onto the seperating axis\n\t\tconst p0 = v0.dot( _testAxis );\n\t\tconst p1 = v1.dot( _testAxis );\n\t\tconst p2 = v2.dot( _testAxis );\n\t\t// actual test, basically see if either of the most extreme of the triangle points intersects r\n\t\tif ( Math.max( - Math.max( p0, p1, p2 ), Math.min( p0, p1, p2 ) ) > r ) {\n\n\t\t\t// points of the projected triangle are outside the projected half-length of the aabb\n\t\t\t// the axis is seperating and we can exit\n\t\t\treturn false;\n\n\t\t}\n\n\t}\n\n\treturn true;\n\n}\n\nconst _box$2 = /*@__PURE__*/ new Box3();\nconst _v1$6 = /*@__PURE__*/ new Vector3();\nconst _toFarthestPoint = /*@__PURE__*/ new Vector3();\nconst _toPoint = /*@__PURE__*/ new Vector3();\n\nclass Sphere {\n\n\tconstructor( center = new Vector3(), radius = - 1 ) {\n\n\t\tthis.center = center;\n\t\tthis.radius = radius;\n\n\t}\n\n\tset( center, radius ) {\n\n\t\tthis.center.copy( center );\n\t\tthis.radius = radius;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points, optionalCenter ) {\n\n\t\tconst center = this.center;\n\n\t\tif ( optionalCenter !== undefined ) {\n\n\t\t\tcenter.copy( optionalCenter );\n\n\t\t} else {\n\n\t\t\t_box$2.setFromPoints( points ).getCenter( center );\n\n\t\t}\n\n\t\tlet maxRadiusSq = 0;\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) );\n\n\t\t}\n\n\t\tthis.radius = Math.sqrt( maxRadiusSq );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( sphere ) {\n\n\t\tthis.center.copy( sphere.center );\n\t\tthis.radius = sphere.radius;\n\n\t\treturn this;\n\n\t}\n\n\tisEmpty() {\n\n\t\treturn ( this.radius < 0 );\n\n\t}\n\n\tmakeEmpty() {\n\n\t\tthis.center.set( 0, 0, 0 );\n\t\tthis.radius = - 1;\n\n\t\treturn this;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn ( point.distanceTo( this.center ) - this.radius );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\tconst radiusSum = this.radius + sphere.radius;\n\n\t\treturn sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsSphere( this );\n\n\t}\n\n\tintersectsPlane( plane ) {\n\n\t\treturn Math.abs( plane.distanceToPoint( this.center ) ) <= this.radius;\n\n\t}\n\n\tclampPoint( point, target ) {\n\n\t\tconst deltaLengthSq = this.center.distanceToSquared( point );\n\n\t\ttarget.copy( point );\n\n\t\tif ( deltaLengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\ttarget.sub( this.center ).normalize();\n\t\t\ttarget.multiplyScalar( this.radius ).add( this.center );\n\n\t\t}\n\n\t\treturn target;\n\n\t}\n\n\tgetBoundingBox( target ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\t// Empty sphere produces empty bounding box\n\t\t\ttarget.makeEmpty();\n\t\t\treturn target;\n\n\t\t}\n\n\t\ttarget.set( this.center, this.center );\n\t\ttarget.expandByScalar( this.radius );\n\n\t\treturn target;\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tthis.center.applyMatrix4( matrix );\n\t\tthis.radius = this.radius * matrix.getMaxScaleOnAxis();\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.center.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\texpandByPoint( point ) {\n\n\t\t// from https://github.com/juj/MathGeoLib/blob/2940b99b99cfe575dd45103ef20f4019dee15b54/src/Geometry/Sphere.cpp#L649-L671\n\n\t\t_toPoint.subVectors( point, this.center );\n\n\t\tconst lengthSq = _toPoint.lengthSq();\n\n\t\tif ( lengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\tconst length = Math.sqrt( lengthSq );\n\t\t\tconst missingRadiusHalf = ( length - this.radius ) * 0.5;\n\n\t\t\t// Nudge this sphere towards the target point. Add half the missing distance to radius,\n\t\t\t// and the other half to position. This gives a tighter enclosure, instead of if\n\t\t\t// the whole missing distance were just added to radius.\n\n\t\t\tthis.center.add( _toPoint.multiplyScalar( missingRadiusHalf / length ) );\n\t\t\tthis.radius += missingRadiusHalf;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tunion( sphere ) {\n\n\t\t// from https://github.com/juj/MathGeoLib/blob/2940b99b99cfe575dd45103ef20f4019dee15b54/src/Geometry/Sphere.cpp#L759-L769\n\n\t\t// To enclose another sphere into this sphere, we only need to enclose two points:\n\t\t// 1) Enclose the farthest point on the other sphere into this sphere.\n\t\t// 2) Enclose the opposite point of the farthest point into this sphere.\n\n\t\t_toFarthestPoint.subVectors( sphere.center, this.center ).normalize().multiplyScalar( sphere.radius );\n\n\t\tthis.expandByPoint( _v1$6.copy( sphere.center ).add( _toFarthestPoint ) );\n\t\tthis.expandByPoint( _v1$6.copy( sphere.center ).sub( _toFarthestPoint ) );\n\n\t\treturn this;\n\n\t}\n\n\tequals( sphere ) {\n\n\t\treturn sphere.center.equals( this.center ) && ( sphere.radius === this.radius );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _vector$a = /*@__PURE__*/ new Vector3();\nconst _segCenter = /*@__PURE__*/ new Vector3();\nconst _segDir = /*@__PURE__*/ new Vector3();\nconst _diff = /*@__PURE__*/ new Vector3();\n\nconst _edge1 = /*@__PURE__*/ new Vector3();\nconst _edge2 = /*@__PURE__*/ new Vector3();\nconst _normal$1 = /*@__PURE__*/ new Vector3();\n\nclass Ray {\n\n\tconstructor( origin = new Vector3(), direction = new Vector3( 0, 0, - 1 ) ) {\n\n\t\tthis.origin = origin;\n\t\tthis.direction = direction;\n\n\t}\n\n\tset( origin, direction ) {\n\n\t\tthis.origin.copy( origin );\n\t\tthis.direction.copy( direction );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( ray ) {\n\n\t\tthis.origin.copy( ray.origin );\n\t\tthis.direction.copy( ray.direction );\n\n\t\treturn this;\n\n\t}\n\n\tat( t, target ) {\n\n\t\treturn target.copy( this.direction ).multiplyScalar( t ).add( this.origin );\n\n\t}\n\n\tlookAt( v ) {\n\n\t\tthis.direction.copy( v ).sub( this.origin ).normalize();\n\n\t\treturn this;\n\n\t}\n\n\trecast( t ) {\n\n\t\tthis.origin.copy( this.at( t, _vector$a ) );\n\n\t\treturn this;\n\n\t}\n\n\tclosestPointToPoint( point, target ) {\n\n\t\ttarget.subVectors( point, this.origin );\n\n\t\tconst directionDistance = target.dot( this.direction );\n\n\t\tif ( directionDistance < 0 ) {\n\n\t\t\treturn target.copy( this.origin );\n\n\t\t}\n\n\t\treturn target.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn Math.sqrt( this.distanceSqToPoint( point ) );\n\n\t}\n\n\tdistanceSqToPoint( point ) {\n\n\t\tconst directionDistance = _vector$a.subVectors( point, this.origin ).dot( this.direction );\n\n\t\t// point behind the ray\n\n\t\tif ( directionDistance < 0 ) {\n\n\t\t\treturn this.origin.distanceToSquared( point );\n\n\t\t}\n\n\t\t_vector$a.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t\treturn _vector$a.distanceToSquared( point );\n\n\t}\n\n\tdistanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) {\n\n\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteDistRaySegment.h\n\t\t// It returns the min distance between the ray and the segment\n\t\t// defined by v0 and v1\n\t\t// It can also set two optional targets :\n\t\t// - The closest point on the ray\n\t\t// - The closest point on the segment\n\n\t\t_segCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 );\n\t\t_segDir.copy( v1 ).sub( v0 ).normalize();\n\t\t_diff.copy( this.origin ).sub( _segCenter );\n\n\t\tconst segExtent = v0.distanceTo( v1 ) * 0.5;\n\t\tconst a01 = - this.direction.dot( _segDir );\n\t\tconst b0 = _diff.dot( this.direction );\n\t\tconst b1 = - _diff.dot( _segDir );\n\t\tconst c = _diff.lengthSq();\n\t\tconst det = Math.abs( 1 - a01 * a01 );\n\t\tlet s0, s1, sqrDist, extDet;\n\n\t\tif ( det > 0 ) {\n\n\t\t\t// The ray and segment are not parallel.\n\n\t\t\ts0 = a01 * b1 - b0;\n\t\t\ts1 = a01 * b0 - b1;\n\t\t\textDet = segExtent * det;\n\n\t\t\tif ( s0 >= 0 ) {\n\n\t\t\t\tif ( s1 >= - extDet ) {\n\n\t\t\t\t\tif ( s1 <= extDet ) {\n\n\t\t\t\t\t\t// region 0\n\t\t\t\t\t\t// Minimum at interior points of ray and segment.\n\n\t\t\t\t\t\tconst invDet = 1 / det;\n\t\t\t\t\t\ts0 *= invDet;\n\t\t\t\t\t\ts1 *= invDet;\n\t\t\t\t\t\tsqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// region 1\n\n\t\t\t\t\t\ts1 = segExtent;\n\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// region 5\n\n\t\t\t\t\ts1 = - segExtent;\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( s1 <= - extDet ) {\n\n\t\t\t\t\t// region 4\n\n\t\t\t\t\ts0 = Math.max( 0, - ( - a01 * segExtent + b0 ) );\n\t\t\t\t\ts1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t} else if ( s1 <= extDet ) {\n\n\t\t\t\t\t// region 3\n\n\t\t\t\t\ts0 = 0;\n\t\t\t\t\ts1 = Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// region 2\n\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * segExtent + b0 ) );\n\t\t\t\t\ts1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// Ray and segment are parallel.\n\n\t\t\ts1 = ( a01 > 0 ) ? - segExtent : segExtent;\n\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t}\n\n\t\tif ( optionalPointOnRay ) {\n\n\t\t\toptionalPointOnRay.copy( this.direction ).multiplyScalar( s0 ).add( this.origin );\n\n\t\t}\n\n\t\tif ( optionalPointOnSegment ) {\n\n\t\t\toptionalPointOnSegment.copy( _segDir ).multiplyScalar( s1 ).add( _segCenter );\n\n\t\t}\n\n\t\treturn sqrDist;\n\n\t}\n\n\tintersectSphere( sphere, target ) {\n\n\t\t_vector$a.subVectors( sphere.center, this.origin );\n\t\tconst tca = _vector$a.dot( this.direction );\n\t\tconst d2 = _vector$a.dot( _vector$a ) - tca * tca;\n\t\tconst radius2 = sphere.radius * sphere.radius;\n\n\t\tif ( d2 > radius2 ) return null;\n\n\t\tconst thc = Math.sqrt( radius2 - d2 );\n\n\t\t// t0 = first intersect point - entrance on front of sphere\n\t\tconst t0 = tca - thc;\n\n\t\t// t1 = second intersect point - exit point on back of sphere\n\t\tconst t1 = tca + thc;\n\n\t\t// test to see if both t0 and t1 are behind the ray - if so, return null\n\t\tif ( t0 < 0 && t1 < 0 ) return null;\n\n\t\t// test to see if t0 is behind the ray:\n\t\t// if it is, the ray is inside the sphere, so return the second exit point scaled by t1,\n\t\t// in order to always return an intersect point that is in front of the ray.\n\t\tif ( t0 < 0 ) return this.at( t1, target );\n\n\t\t// else t0 is in front of the ray, so return the first collision point scaled by t0\n\t\treturn this.at( t0, target );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\treturn this.distanceSqToPoint( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t}\n\n\tdistanceToPlane( plane ) {\n\n\t\tconst denominator = plane.normal.dot( this.direction );\n\n\t\tif ( denominator === 0 ) {\n\n\t\t\t// line is coplanar, return origin\n\t\t\tif ( plane.distanceToPoint( this.origin ) === 0 ) {\n\n\t\t\t\treturn 0;\n\n\t\t\t}\n\n\t\t\t// Null is preferable to undefined since undefined means.... it is undefined\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator;\n\n\t\t// Return if the ray never intersects the plane\n\n\t\treturn t >= 0 ? t : null;\n\n\t}\n\n\tintersectPlane( plane, target ) {\n\n\t\tconst t = this.distanceToPlane( plane );\n\n\t\tif ( t === null ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\treturn this.at( t, target );\n\n\t}\n\n\tintersectsPlane( plane ) {\n\n\t\t// check if the ray lies on the plane first\n\n\t\tconst distToPoint = plane.distanceToPoint( this.origin );\n\n\t\tif ( distToPoint === 0 ) {\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\tconst denominator = plane.normal.dot( this.direction );\n\n\t\tif ( denominator * distToPoint < 0 ) {\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\t// ray origin is behind the plane (and is pointing behind it)\n\n\t\treturn false;\n\n\t}\n\n\tintersectBox( box, target ) {\n\n\t\tlet tmin, tmax, tymin, tymax, tzmin, tzmax;\n\n\t\tconst invdirx = 1 / this.direction.x,\n\t\t\tinvdiry = 1 / this.direction.y,\n\t\t\tinvdirz = 1 / this.direction.z;\n\n\t\tconst origin = this.origin;\n\n\t\tif ( invdirx >= 0 ) {\n\n\t\t\ttmin = ( box.min.x - origin.x ) * invdirx;\n\t\t\ttmax = ( box.max.x - origin.x ) * invdirx;\n\n\t\t} else {\n\n\t\t\ttmin = ( box.max.x - origin.x ) * invdirx;\n\t\t\ttmax = ( box.min.x - origin.x ) * invdirx;\n\n\t\t}\n\n\t\tif ( invdiry >= 0 ) {\n\n\t\t\ttymin = ( box.min.y - origin.y ) * invdiry;\n\t\t\ttymax = ( box.max.y - origin.y ) * invdiry;\n\n\t\t} else {\n\n\t\t\ttymin = ( box.max.y - origin.y ) * invdiry;\n\t\t\ttymax = ( box.min.y - origin.y ) * invdiry;\n\n\t\t}\n\n\t\tif ( ( tmin > tymax ) || ( tymin > tmax ) ) return null;\n\n\t\t// These lines also handle the case where tmin or tmax is NaN\n\t\t// (result of 0 * Infinity). x !== x returns true if x is NaN\n\n\t\tif ( tymin > tmin || tmin !== tmin ) tmin = tymin;\n\n\t\tif ( tymax < tmax || tmax !== tmax ) tmax = tymax;\n\n\t\tif ( invdirz >= 0 ) {\n\n\t\t\ttzmin = ( box.min.z - origin.z ) * invdirz;\n\t\t\ttzmax = ( box.max.z - origin.z ) * invdirz;\n\n\t\t} else {\n\n\t\t\ttzmin = ( box.max.z - origin.z ) * invdirz;\n\t\t\ttzmax = ( box.min.z - origin.z ) * invdirz;\n\n\t\t}\n\n\t\tif ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null;\n\n\t\tif ( tzmin > tmin || tmin !== tmin ) tmin = tzmin;\n\n\t\tif ( tzmax < tmax || tmax !== tmax ) tmax = tzmax;\n\n\t\t//return point closest to the ray (positive side)\n\n\t\tif ( tmax < 0 ) return null;\n\n\t\treturn this.at( tmin >= 0 ? tmin : tmax, target );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn this.intersectBox( box, _vector$a ) !== null;\n\n\t}\n\n\tintersectTriangle( a, b, c, backfaceCulling, target ) {\n\n\t\t// Compute the offset origin, edges, and normal.\n\n\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h\n\n\t\t_edge1.subVectors( b, a );\n\t\t_edge2.subVectors( c, a );\n\t\t_normal$1.crossVectors( _edge1, _edge2 );\n\n\t\t// Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction,\n\t\t// E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by\n\t\t// |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2))\n\t\t// |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q))\n\t\t// |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N)\n\t\tlet DdN = this.direction.dot( _normal$1 );\n\t\tlet sign;\n\n\t\tif ( DdN > 0 ) {\n\n\t\t\tif ( backfaceCulling ) return null;\n\t\t\tsign = 1;\n\n\t\t} else if ( DdN < 0 ) {\n\n\t\t\tsign = - 1;\n\t\t\tDdN = - DdN;\n\n\t\t} else {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t_diff.subVectors( this.origin, a );\n\t\tconst DdQxE2 = sign * this.direction.dot( _edge2.crossVectors( _diff, _edge2 ) );\n\n\t\t// b1 < 0, no intersection\n\t\tif ( DdQxE2 < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst DdE1xQ = sign * this.direction.dot( _edge1.cross( _diff ) );\n\n\t\t// b2 < 0, no intersection\n\t\tif ( DdE1xQ < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// b1+b2 > 1, no intersection\n\t\tif ( DdQxE2 + DdE1xQ > DdN ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// Line intersects triangle, check if ray does.\n\t\tconst QdN = - sign * _diff.dot( _normal$1 );\n\n\t\t// t < 0, no intersection\n\t\tif ( QdN < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// Ray intersects triangle.\n\t\treturn this.at( QdN / DdN, target );\n\n\t}\n\n\tapplyMatrix4( matrix4 ) {\n\n\t\tthis.origin.applyMatrix4( matrix4 );\n\t\tthis.direction.transformDirection( matrix4 );\n\n\t\treturn this;\n\n\t}\n\n\tequals( ray ) {\n\n\t\treturn ray.origin.equals( this.origin ) && ray.direction.equals( this.direction );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nclass Matrix4 {\n\n\tconstructor() {\n\n\t\tthis.elements = [\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t];\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tset( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14;\n\t\tte[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24;\n\t\tte[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34;\n\t\tte[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44;\n\n\t\treturn this;\n\n\t}\n\n\tidentity() {\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new Matrix4().fromArray( this.elements );\n\n\t}\n\n\tcopy( m ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tte[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ]; te[ 3 ] = me[ 3 ];\n\t\tte[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ]; te[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ];\n\t\tte[ 8 ] = me[ 8 ]; te[ 9 ] = me[ 9 ]; te[ 10 ] = me[ 10 ]; te[ 11 ] = me[ 11 ];\n\t\tte[ 12 ] = me[ 12 ]; te[ 13 ] = me[ 13 ]; te[ 14 ] = me[ 14 ]; te[ 15 ] = me[ 15 ];\n\n\t\treturn this;\n\n\t}\n\n\tcopyPosition( m ) {\n\n\t\tconst te = this.elements, me = m.elements;\n\n\t\tte[ 12 ] = me[ 12 ];\n\t\tte[ 13 ] = me[ 13 ];\n\t\tte[ 14 ] = me[ 14 ];\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrix3( m ) {\n\n\t\tconst me = m.elements;\n\n\t\tthis.set(\n\n\t\t\tme[ 0 ], me[ 3 ], me[ 6 ], 0,\n\t\t\tme[ 1 ], me[ 4 ], me[ 7 ], 0,\n\t\t\tme[ 2 ], me[ 5 ], me[ 8 ], 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\textractBasis( xAxis, yAxis, zAxis ) {\n\n\t\txAxis.setFromMatrixColumn( this, 0 );\n\t\tyAxis.setFromMatrixColumn( this, 1 );\n\t\tzAxis.setFromMatrixColumn( this, 2 );\n\n\t\treturn this;\n\n\t}\n\n\tmakeBasis( xAxis, yAxis, zAxis ) {\n\n\t\tthis.set(\n\t\t\txAxis.x, yAxis.x, zAxis.x, 0,\n\t\t\txAxis.y, yAxis.y, zAxis.y, 0,\n\t\t\txAxis.z, yAxis.z, zAxis.z, 0,\n\t\t\t0, 0, 0, 1\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\textractRotation( m ) {\n\n\t\t// this method does not support reflection matrices\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tconst scaleX = 1 / _v1$5.setFromMatrixColumn( m, 0 ).length();\n\t\tconst scaleY = 1 / _v1$5.setFromMatrixColumn( m, 1 ).length();\n\t\tconst scaleZ = 1 / _v1$5.setFromMatrixColumn( m, 2 ).length();\n\n\t\tte[ 0 ] = me[ 0 ] * scaleX;\n\t\tte[ 1 ] = me[ 1 ] * scaleX;\n\t\tte[ 2 ] = me[ 2 ] * scaleX;\n\t\tte[ 3 ] = 0;\n\n\t\tte[ 4 ] = me[ 4 ] * scaleY;\n\t\tte[ 5 ] = me[ 5 ] * scaleY;\n\t\tte[ 6 ] = me[ 6 ] * scaleY;\n\t\tte[ 7 ] = 0;\n\n\t\tte[ 8 ] = me[ 8 ] * scaleZ;\n\t\tte[ 9 ] = me[ 9 ] * scaleZ;\n\t\tte[ 10 ] = me[ 10 ] * scaleZ;\n\t\tte[ 11 ] = 0;\n\n\t\tte[ 12 ] = 0;\n\t\tte[ 13 ] = 0;\n\t\tte[ 14 ] = 0;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationFromEuler( euler ) {\n\n\t\tif ( ! ( euler && euler.isEuler ) ) {\n\n\t\t\tconsole.error( 'THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.' );\n\n\t\t}\n\n\t\tconst te = this.elements;\n\n\t\tconst x = euler.x, y = euler.y, z = euler.z;\n\t\tconst a = Math.cos( x ), b = Math.sin( x );\n\t\tconst c = Math.cos( y ), d = Math.sin( y );\n\t\tconst e = Math.cos( z ), f = Math.sin( z );\n\n\t\tif ( euler.order === 'XYZ' ) {\n\n\t\t\tconst ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = - c * f;\n\t\t\tte[ 8 ] = d;\n\n\t\t\tte[ 1 ] = af + be * d;\n\t\t\tte[ 5 ] = ae - bf * d;\n\t\t\tte[ 9 ] = - b * c;\n\n\t\t\tte[ 2 ] = bf - ae * d;\n\t\t\tte[ 6 ] = be + af * d;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'YXZ' ) {\n\n\t\t\tconst ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\tte[ 0 ] = ce + df * b;\n\t\t\tte[ 4 ] = de * b - cf;\n\t\t\tte[ 8 ] = a * d;\n\n\t\t\tte[ 1 ] = a * f;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = - b;\n\n\t\t\tte[ 2 ] = cf * b - de;\n\t\t\tte[ 6 ] = df + ce * b;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'ZXY' ) {\n\n\t\t\tconst ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\tte[ 0 ] = ce - df * b;\n\t\t\tte[ 4 ] = - a * f;\n\t\t\tte[ 8 ] = de + cf * b;\n\n\t\t\tte[ 1 ] = cf + de * b;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = df - ce * b;\n\n\t\t\tte[ 2 ] = - a * d;\n\t\t\tte[ 6 ] = b;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'ZYX' ) {\n\n\t\t\tconst ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = be * d - af;\n\t\t\tte[ 8 ] = ae * d + bf;\n\n\t\t\tte[ 1 ] = c * f;\n\t\t\tte[ 5 ] = bf * d + ae;\n\t\t\tte[ 9 ] = af * d - be;\n\n\t\t\tte[ 2 ] = - d;\n\t\t\tte[ 6 ] = b * c;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'YZX' ) {\n\n\t\t\tconst ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = bd - ac * f;\n\t\t\tte[ 8 ] = bc * f + ad;\n\n\t\t\tte[ 1 ] = f;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = - b * e;\n\n\t\t\tte[ 2 ] = - d * e;\n\t\t\tte[ 6 ] = ad * f + bc;\n\t\t\tte[ 10 ] = ac - bd * f;\n\n\t\t} else if ( euler.order === 'XZY' ) {\n\n\t\t\tconst ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = - f;\n\t\t\tte[ 8 ] = d * e;\n\n\t\t\tte[ 1 ] = ac * f + bd;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = ad * f - bc;\n\n\t\t\tte[ 2 ] = bc * f - ad;\n\t\t\tte[ 6 ] = b * e;\n\t\t\tte[ 10 ] = bd * f + ac;\n\n\t\t}\n\n\t\t// bottom row\n\t\tte[ 3 ] = 0;\n\t\tte[ 7 ] = 0;\n\t\tte[ 11 ] = 0;\n\n\t\t// last column\n\t\tte[ 12 ] = 0;\n\t\tte[ 13 ] = 0;\n\t\tte[ 14 ] = 0;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationFromQuaternion( q ) {\n\n\t\treturn this.compose( _zero, q, _one );\n\n\t}\n\n\tlookAt( eye, target, up ) {\n\n\t\tconst te = this.elements;\n\n\t\t_z.subVectors( eye, target );\n\n\t\tif ( _z.lengthSq() === 0 ) {\n\n\t\t\t// eye and target are in the same position\n\n\t\t\t_z.z = 1;\n\n\t\t}\n\n\t\t_z.normalize();\n\t\t_x.crossVectors( up, _z );\n\n\t\tif ( _x.lengthSq() === 0 ) {\n\n\t\t\t// up and z are parallel\n\n\t\t\tif ( Math.abs( up.z ) === 1 ) {\n\n\t\t\t\t_z.x += 0.0001;\n\n\t\t\t} else {\n\n\t\t\t\t_z.z += 0.0001;\n\n\t\t\t}\n\n\t\t\t_z.normalize();\n\t\t\t_x.crossVectors( up, _z );\n\n\t\t}\n\n\t\t_x.normalize();\n\t\t_y.crossVectors( _z, _x );\n\n\t\tte[ 0 ] = _x.x; te[ 4 ] = _y.x; te[ 8 ] = _z.x;\n\t\tte[ 1 ] = _x.y; te[ 5 ] = _y.y; te[ 9 ] = _z.y;\n\t\tte[ 2 ] = _x.z; te[ 6 ] = _y.z; te[ 10 ] = _z.z;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( m, n ) {\n\n\t\tif ( n !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead.' );\n\t\t\treturn this.multiplyMatrices( m, n );\n\n\t\t}\n\n\t\treturn this.multiplyMatrices( this, m );\n\n\t}\n\n\tpremultiply( m ) {\n\n\t\treturn this.multiplyMatrices( m, this );\n\n\t}\n\n\tmultiplyMatrices( a, b ) {\n\n\t\tconst ae = a.elements;\n\t\tconst be = b.elements;\n\t\tconst te = this.elements;\n\n\t\tconst a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ];\n\t\tconst a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ];\n\t\tconst a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ];\n\t\tconst a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ];\n\n\t\tconst b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ];\n\t\tconst b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ];\n\t\tconst b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ];\n\t\tconst b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ];\n\n\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41;\n\t\tte[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42;\n\t\tte[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43;\n\t\tte[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44;\n\n\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41;\n\t\tte[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42;\n\t\tte[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43;\n\t\tte[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44;\n\n\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41;\n\t\tte[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42;\n\t\tte[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43;\n\t\tte[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44;\n\n\t\tte[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41;\n\t\tte[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42;\n\t\tte[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43;\n\t\tte[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( s ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s;\n\t\tte[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s;\n\t\tte[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s;\n\t\tte[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s;\n\n\t\treturn this;\n\n\t}\n\n\tdeterminant() {\n\n\t\tconst te = this.elements;\n\n\t\tconst n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ];\n\t\tconst n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ];\n\t\tconst n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ];\n\t\tconst n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ];\n\n\t\t//TODO: make this more efficient\n\t\t//( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm )\n\n\t\treturn (\n\t\t\tn41 * (\n\t\t\t\t+ n14 * n23 * n32\n\t\t\t\t - n13 * n24 * n32\n\t\t\t\t - n14 * n22 * n33\n\t\t\t\t + n12 * n24 * n33\n\t\t\t\t + n13 * n22 * n34\n\t\t\t\t - n12 * n23 * n34\n\t\t\t) +\n\t\t\tn42 * (\n\t\t\t\t+ n11 * n23 * n34\n\t\t\t\t - n11 * n24 * n33\n\t\t\t\t + n14 * n21 * n33\n\t\t\t\t - n13 * n21 * n34\n\t\t\t\t + n13 * n24 * n31\n\t\t\t\t - n14 * n23 * n31\n\t\t\t) +\n\t\t\tn43 * (\n\t\t\t\t+ n11 * n24 * n32\n\t\t\t\t - n11 * n22 * n34\n\t\t\t\t - n14 * n21 * n32\n\t\t\t\t + n12 * n21 * n34\n\t\t\t\t + n14 * n22 * n31\n\t\t\t\t - n12 * n24 * n31\n\t\t\t) +\n\t\t\tn44 * (\n\t\t\t\t- n13 * n22 * n31\n\t\t\t\t - n11 * n23 * n32\n\t\t\t\t + n11 * n22 * n33\n\t\t\t\t + n13 * n21 * n32\n\t\t\t\t - n12 * n21 * n33\n\t\t\t\t + n12 * n23 * n31\n\t\t\t)\n\n\t\t);\n\n\t}\n\n\ttranspose() {\n\n\t\tconst te = this.elements;\n\t\tlet tmp;\n\n\t\ttmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp;\n\t\ttmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp;\n\t\ttmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp;\n\n\t\ttmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp;\n\t\ttmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp;\n\t\ttmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp;\n\n\t\treturn this;\n\n\t}\n\n\tsetPosition( x, y, z ) {\n\n\t\tconst te = this.elements;\n\n\t\tif ( x.isVector3 ) {\n\n\t\t\tte[ 12 ] = x.x;\n\t\t\tte[ 13 ] = x.y;\n\t\t\tte[ 14 ] = x.z;\n\n\t\t} else {\n\n\t\t\tte[ 12 ] = x;\n\t\t\tte[ 13 ] = y;\n\t\t\tte[ 14 ] = z;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tinvert() {\n\n\t\t// based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm\n\t\tconst te = this.elements,\n\n\t\t\tn11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ], n41 = te[ 3 ],\n\t\t\tn12 = te[ 4 ], n22 = te[ 5 ], n32 = te[ 6 ], n42 = te[ 7 ],\n\t\t\tn13 = te[ 8 ], n23 = te[ 9 ], n33 = te[ 10 ], n43 = te[ 11 ],\n\t\t\tn14 = te[ 12 ], n24 = te[ 13 ], n34 = te[ 14 ], n44 = te[ 15 ],\n\n\t\t\tt11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44,\n\t\t\tt12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44,\n\t\t\tt13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44,\n\t\t\tt14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34;\n\n\t\tconst det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14;\n\n\t\tif ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 );\n\n\t\tconst detInv = 1 / det;\n\n\t\tte[ 0 ] = t11 * detInv;\n\t\tte[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv;\n\t\tte[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv;\n\t\tte[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv;\n\n\t\tte[ 4 ] = t12 * detInv;\n\t\tte[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv;\n\t\tte[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv;\n\t\tte[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv;\n\n\t\tte[ 8 ] = t13 * detInv;\n\t\tte[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv;\n\t\tte[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv;\n\t\tte[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv;\n\n\t\tte[ 12 ] = t14 * detInv;\n\t\tte[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv;\n\t\tte[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv;\n\t\tte[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv;\n\n\t\treturn this;\n\n\t}\n\n\tscale( v ) {\n\n\t\tconst te = this.elements;\n\t\tconst x = v.x, y = v.y, z = v.z;\n\n\t\tte[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z;\n\t\tte[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z;\n\t\tte[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z;\n\t\tte[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z;\n\n\t\treturn this;\n\n\t}\n\n\tgetMaxScaleOnAxis() {\n\n\t\tconst te = this.elements;\n\n\t\tconst scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ];\n\t\tconst scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ];\n\t\tconst scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ];\n\n\t\treturn Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) );\n\n\t}\n\n\tmakeTranslation( x, y, z ) {\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0, x,\n\t\t\t0, 1, 0, y,\n\t\t\t0, 0, 1, z,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationX( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, c, - s, 0,\n\t\t\t0, s, c, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationY( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\t c, 0, s, 0,\n\t\t\t 0, 1, 0, 0,\n\t\t\t- s, 0, c, 0,\n\t\t\t 0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationZ( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\tc, - s, 0, 0,\n\t\t\ts, c, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationAxis( axis, angle ) {\n\n\t\t// Based on http://www.gamedev.net/reference/articles/article1199.asp\n\n\t\tconst c = Math.cos( angle );\n\t\tconst s = Math.sin( angle );\n\t\tconst t = 1 - c;\n\t\tconst x = axis.x, y = axis.y, z = axis.z;\n\t\tconst tx = t * x, ty = t * y;\n\n\t\tthis.set(\n\n\t\t\ttx * x + c, tx * y - s * z, tx * z + s * y, 0,\n\t\t\ttx * y + s * z, ty * y + c, ty * z - s * x, 0,\n\t\t\ttx * z - s * y, ty * z + s * x, t * z * z + c, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeScale( x, y, z ) {\n\n\t\tthis.set(\n\n\t\t\tx, 0, 0, 0,\n\t\t\t0, y, 0, 0,\n\t\t\t0, 0, z, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeShear( xy, xz, yx, yz, zx, zy ) {\n\n\t\tthis.set(\n\n\t\t\t1, yx, zx, 0,\n\t\t\txy, 1, zy, 0,\n\t\t\txz, yz, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tcompose( position, quaternion, scale ) {\n\n\t\tconst te = this.elements;\n\n\t\tconst x = quaternion._x, y = quaternion._y, z = quaternion._z, w = quaternion._w;\n\t\tconst x2 = x + x,\ty2 = y + y, z2 = z + z;\n\t\tconst xx = x * x2, xy = x * y2, xz = x * z2;\n\t\tconst yy = y * y2, yz = y * z2, zz = z * z2;\n\t\tconst wx = w * x2, wy = w * y2, wz = w * z2;\n\n\t\tconst sx = scale.x, sy = scale.y, sz = scale.z;\n\n\t\tte[ 0 ] = ( 1 - ( yy + zz ) ) * sx;\n\t\tte[ 1 ] = ( xy + wz ) * sx;\n\t\tte[ 2 ] = ( xz - wy ) * sx;\n\t\tte[ 3 ] = 0;\n\n\t\tte[ 4 ] = ( xy - wz ) * sy;\n\t\tte[ 5 ] = ( 1 - ( xx + zz ) ) * sy;\n\t\tte[ 6 ] = ( yz + wx ) * sy;\n\t\tte[ 7 ] = 0;\n\n\t\tte[ 8 ] = ( xz + wy ) * sz;\n\t\tte[ 9 ] = ( yz - wx ) * sz;\n\t\tte[ 10 ] = ( 1 - ( xx + yy ) ) * sz;\n\t\tte[ 11 ] = 0;\n\n\t\tte[ 12 ] = position.x;\n\t\tte[ 13 ] = position.y;\n\t\tte[ 14 ] = position.z;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tdecompose( position, quaternion, scale ) {\n\n\t\tconst te = this.elements;\n\n\t\tlet sx = _v1$5.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length();\n\t\tconst sy = _v1$5.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length();\n\t\tconst sz = _v1$5.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length();\n\n\t\t// if determine is negative, we need to invert one scale\n\t\tconst det = this.determinant();\n\t\tif ( det < 0 ) sx = - sx;\n\n\t\tposition.x = te[ 12 ];\n\t\tposition.y = te[ 13 ];\n\t\tposition.z = te[ 14 ];\n\n\t\t// scale the rotation part\n\t\t_m1$2.copy( this );\n\n\t\tconst invSX = 1 / sx;\n\t\tconst invSY = 1 / sy;\n\t\tconst invSZ = 1 / sz;\n\n\t\t_m1$2.elements[ 0 ] *= invSX;\n\t\t_m1$2.elements[ 1 ] *= invSX;\n\t\t_m1$2.elements[ 2 ] *= invSX;\n\n\t\t_m1$2.elements[ 4 ] *= invSY;\n\t\t_m1$2.elements[ 5 ] *= invSY;\n\t\t_m1$2.elements[ 6 ] *= invSY;\n\n\t\t_m1$2.elements[ 8 ] *= invSZ;\n\t\t_m1$2.elements[ 9 ] *= invSZ;\n\t\t_m1$2.elements[ 10 ] *= invSZ;\n\n\t\tquaternion.setFromRotationMatrix( _m1$2 );\n\n\t\tscale.x = sx;\n\t\tscale.y = sy;\n\t\tscale.z = sz;\n\n\t\treturn this;\n\n\t}\n\n\tmakePerspective( left, right, top, bottom, near, far ) {\n\n\t\tif ( far === undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.' );\n\n\t\t}\n\n\t\tconst te = this.elements;\n\t\tconst x = 2 * near / ( right - left );\n\t\tconst y = 2 * near / ( top - bottom );\n\n\t\tconst a = ( right + left ) / ( right - left );\n\t\tconst b = ( top + bottom ) / ( top - bottom );\n\t\tconst c = - ( far + near ) / ( far - near );\n\t\tconst d = - 2 * far * near / ( far - near );\n\n\t\tte[ 0 ] = x;\tte[ 4 ] = 0;\tte[ 8 ] = a;\tte[ 12 ] = 0;\n\t\tte[ 1 ] = 0;\tte[ 5 ] = y;\tte[ 9 ] = b;\tte[ 13 ] = 0;\n\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = c;\tte[ 14 ] = d;\n\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = - 1;\tte[ 15 ] = 0;\n\n\t\treturn this;\n\n\t}\n\n\tmakeOrthographic( left, right, top, bottom, near, far ) {\n\n\t\tconst te = this.elements;\n\t\tconst w = 1.0 / ( right - left );\n\t\tconst h = 1.0 / ( top - bottom );\n\t\tconst p = 1.0 / ( far - near );\n\n\t\tconst x = ( right + left ) * w;\n\t\tconst y = ( top + bottom ) * h;\n\t\tconst z = ( far + near ) * p;\n\n\t\tte[ 0 ] = 2 * w;\tte[ 4 ] = 0;\tte[ 8 ] = 0;\tte[ 12 ] = - x;\n\t\tte[ 1 ] = 0;\tte[ 5 ] = 2 * h;\tte[ 9 ] = 0;\tte[ 13 ] = - y;\n\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = - 2 * p;\tte[ 14 ] = - z;\n\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = 0;\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tequals( matrix ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = matrix.elements;\n\n\t\tfor ( let i = 0; i < 16; i ++ ) {\n\n\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tfor ( let i = 0; i < 16; i ++ ) {\n\n\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst te = this.elements;\n\n\t\tarray[ offset ] = te[ 0 ];\n\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\tarray[ offset + 2 ] = te[ 2 ];\n\t\tarray[ offset + 3 ] = te[ 3 ];\n\n\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\tarray[ offset + 5 ] = te[ 5 ];\n\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\tarray[ offset + 7 ] = te[ 7 ];\n\n\t\tarray[ offset + 8 ] = te[ 8 ];\n\t\tarray[ offset + 9 ] = te[ 9 ];\n\t\tarray[ offset + 10 ] = te[ 10 ];\n\t\tarray[ offset + 11 ] = te[ 11 ];\n\n\t\tarray[ offset + 12 ] = te[ 12 ];\n\t\tarray[ offset + 13 ] = te[ 13 ];\n\t\tarray[ offset + 14 ] = te[ 14 ];\n\t\tarray[ offset + 15 ] = te[ 15 ];\n\n\t\treturn array;\n\n\t}\n\n}\n\nMatrix4.prototype.isMatrix4 = true;\n\nconst _v1$5 = /*@__PURE__*/ new Vector3();\nconst _m1$2 = /*@__PURE__*/ new Matrix4();\nconst _zero = /*@__PURE__*/ new Vector3( 0, 0, 0 );\nconst _one = /*@__PURE__*/ new Vector3( 1, 1, 1 );\nconst _x = /*@__PURE__*/ new Vector3();\nconst _y = /*@__PURE__*/ new Vector3();\nconst _z = /*@__PURE__*/ new Vector3();\n\nconst _matrix$1 = /*@__PURE__*/ new Matrix4();\nconst _quaternion$3 = /*@__PURE__*/ new Quaternion();\n\nclass Euler {\n\n\tconstructor( x = 0, y = 0, z = 0, order = Euler.DefaultOrder ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._order = order;\n\n\t}\n\n\tget x() {\n\n\t\treturn this._x;\n\n\t}\n\n\tset x( value ) {\n\n\t\tthis._x = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget y() {\n\n\t\treturn this._y;\n\n\t}\n\n\tset y( value ) {\n\n\t\tthis._y = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget z() {\n\n\t\treturn this._z;\n\n\t}\n\n\tset z( value ) {\n\n\t\tthis._z = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget order() {\n\n\t\treturn this._order;\n\n\t}\n\n\tset order( value ) {\n\n\t\tthis._order = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tset( x, y, z, order = this._order ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._order = order;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this._x, this._y, this._z, this._order );\n\n\t}\n\n\tcopy( euler ) {\n\n\t\tthis._x = euler._x;\n\t\tthis._y = euler._y;\n\t\tthis._z = euler._z;\n\t\tthis._order = euler._order;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromRotationMatrix( m, order = this._order, update = true ) {\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tconst te = m.elements;\n\t\tconst m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ];\n\t\tconst m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ];\n\t\tconst m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\tswitch ( order ) {\n\n\t\t\tcase 'XYZ':\n\n\t\t\t\tthis._y = Math.asin( clamp( m13, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m13 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'YXZ':\n\n\t\t\t\tthis._x = Math.asin( - clamp( m23, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m23 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZXY':\n\n\t\t\t\tthis._x = Math.asin( clamp( m32, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m32 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = 0;\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZYX':\n\n\t\t\t\tthis._y = Math.asin( - clamp( m31, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m31 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'YZX':\n\n\t\t\t\tthis._z = Math.asin( clamp( m21, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m21 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m22 );\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'XZY':\n\n\t\t\t\tthis._z = Math.asin( - clamp( m12, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m12 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._y = Math.atan2( m13, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._y = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\n\t\t\t\tconsole.warn( 'THREE.Euler: .setFromRotationMatrix() encountered an unknown order: ' + order );\n\n\t\t}\n\n\t\tthis._order = order;\n\n\t\tif ( update === true ) this._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromQuaternion( q, order, update ) {\n\n\t\t_matrix$1.makeRotationFromQuaternion( q );\n\n\t\treturn this.setFromRotationMatrix( _matrix$1, order, update );\n\n\t}\n\n\tsetFromVector3( v, order = this._order ) {\n\n\t\treturn this.set( v.x, v.y, v.z, order );\n\n\t}\n\n\treorder( newOrder ) {\n\n\t\t// WARNING: this discards revolution information -bhouston\n\n\t\t_quaternion$3.setFromEuler( this );\n\n\t\treturn this.setFromQuaternion( _quaternion$3, newOrder );\n\n\t}\n\n\tequals( euler ) {\n\n\t\treturn ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order );\n\n\t}\n\n\tfromArray( array ) {\n\n\t\tthis._x = array[ 0 ];\n\t\tthis._y = array[ 1 ];\n\t\tthis._z = array[ 2 ];\n\t\tif ( array[ 3 ] !== undefined ) this._order = array[ 3 ];\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this._x;\n\t\tarray[ offset + 1 ] = this._y;\n\t\tarray[ offset + 2 ] = this._z;\n\t\tarray[ offset + 3 ] = this._order;\n\n\t\treturn array;\n\n\t}\n\n\ttoVector3( optionalResult ) {\n\n\t\tif ( optionalResult ) {\n\n\t\t\treturn optionalResult.set( this._x, this._y, this._z );\n\n\t\t} else {\n\n\t\t\treturn new Vector3( this._x, this._y, this._z );\n\n\t\t}\n\n\t}\n\n\t_onChange( callback ) {\n\n\t\tthis._onChangeCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\t_onChangeCallback() {}\n\n}\n\nEuler.prototype.isEuler = true;\n\nEuler.DefaultOrder = 'XYZ';\nEuler.RotationOrders = [ 'XYZ', 'YZX', 'ZXY', 'XZY', 'YXZ', 'ZYX' ];\n\nclass Layers {\n\n\tconstructor() {\n\n\t\tthis.mask = 1 | 0;\n\n\t}\n\n\tset( channel ) {\n\n\t\tthis.mask = ( 1 << channel | 0 ) >>> 0;\n\n\t}\n\n\tenable( channel ) {\n\n\t\tthis.mask |= 1 << channel | 0;\n\n\t}\n\n\tenableAll() {\n\n\t\tthis.mask = 0xffffffff | 0;\n\n\t}\n\n\ttoggle( channel ) {\n\n\t\tthis.mask ^= 1 << channel | 0;\n\n\t}\n\n\tdisable( channel ) {\n\n\t\tthis.mask &= ~ ( 1 << channel | 0 );\n\n\t}\n\n\tdisableAll() {\n\n\t\tthis.mask = 0;\n\n\t}\n\n\ttest( layers ) {\n\n\t\treturn ( this.mask & layers.mask ) !== 0;\n\n\t}\n\n\tisEnabled( channel ) {\n\n\t\treturn ( this.mask & ( 1 << channel | 0 ) ) !== 0;\n\n\t}\n\n}\n\nlet _object3DId = 0;\n\nconst _v1$4 = /*@__PURE__*/ new Vector3();\nconst _q1 = /*@__PURE__*/ new Quaternion();\nconst _m1$1 = /*@__PURE__*/ new Matrix4();\nconst _target = /*@__PURE__*/ new Vector3();\n\nconst _position$3 = /*@__PURE__*/ new Vector3();\nconst _scale$2 = /*@__PURE__*/ new Vector3();\nconst _quaternion$2 = /*@__PURE__*/ new Quaternion();\n\nconst _xAxis = /*@__PURE__*/ new Vector3( 1, 0, 0 );\nconst _yAxis = /*@__PURE__*/ new Vector3( 0, 1, 0 );\nconst _zAxis = /*@__PURE__*/ new Vector3( 0, 0, 1 );\n\nconst _addedEvent = { type: 'added' };\nconst _removedEvent = { type: 'removed' };\n\nclass Object3D extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tObject.defineProperty( this, 'id', { value: _object3DId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Object3D';\n\n\t\tthis.parent = null;\n\t\tthis.children = [];\n\n\t\tthis.up = Object3D.DefaultUp.clone();\n\n\t\tconst position = new Vector3();\n\t\tconst rotation = new Euler();\n\t\tconst quaternion = new Quaternion();\n\t\tconst scale = new Vector3( 1, 1, 1 );\n\n\t\tfunction onRotationChange() {\n\n\t\t\tquaternion.setFromEuler( rotation, false );\n\n\t\t}\n\n\t\tfunction onQuaternionChange() {\n\n\t\t\trotation.setFromQuaternion( quaternion, undefined, false );\n\n\t\t}\n\n\t\trotation._onChange( onRotationChange );\n\t\tquaternion._onChange( onQuaternionChange );\n\n\t\tObject.defineProperties( this, {\n\t\t\tposition: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: position\n\t\t\t},\n\t\t\trotation: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: rotation\n\t\t\t},\n\t\t\tquaternion: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: quaternion\n\t\t\t},\n\t\t\tscale: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: scale\n\t\t\t},\n\t\t\tmodelViewMatrix: {\n\t\t\t\tvalue: new Matrix4()\n\t\t\t},\n\t\t\tnormalMatrix: {\n\t\t\t\tvalue: new Matrix3()\n\t\t\t}\n\t\t} );\n\n\t\tthis.matrix = new Matrix4();\n\t\tthis.matrixWorld = new Matrix4();\n\n\t\tthis.matrixAutoUpdate = Object3D.DefaultMatrixAutoUpdate;\n\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\tthis.layers = new Layers();\n\t\tthis.visible = true;\n\n\t\tthis.castShadow = false;\n\t\tthis.receiveShadow = false;\n\n\t\tthis.frustumCulled = true;\n\t\tthis.renderOrder = 0;\n\n\t\tthis.animations = [];\n\n\t\tthis.userData = {};\n\n\t}\n\n\tonBeforeRender( /* renderer, scene, camera, geometry, material, group */ ) {}\n\n\tonAfterRender( /* renderer, scene, camera, geometry, material, group */ ) {}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tthis.matrix.premultiply( matrix );\n\n\t\tthis.matrix.decompose( this.position, this.quaternion, this.scale );\n\n\t}\n\n\tapplyQuaternion( q ) {\n\n\t\tthis.quaternion.premultiply( q );\n\n\t\treturn this;\n\n\t}\n\n\tsetRotationFromAxisAngle( axis, angle ) {\n\n\t\t// assumes axis is normalized\n\n\t\tthis.quaternion.setFromAxisAngle( axis, angle );\n\n\t}\n\n\tsetRotationFromEuler( euler ) {\n\n\t\tthis.quaternion.setFromEuler( euler, true );\n\n\t}\n\n\tsetRotationFromMatrix( m ) {\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tthis.quaternion.setFromRotationMatrix( m );\n\n\t}\n\n\tsetRotationFromQuaternion( q ) {\n\n\t\t// assumes q is normalized\n\n\t\tthis.quaternion.copy( q );\n\n\t}\n\n\trotateOnAxis( axis, angle ) {\n\n\t\t// rotate object on axis in object space\n\t\t// axis is assumed to be normalized\n\n\t\t_q1.setFromAxisAngle( axis, angle );\n\n\t\tthis.quaternion.multiply( _q1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateOnWorldAxis( axis, angle ) {\n\n\t\t// rotate object on axis in world space\n\t\t// axis is assumed to be normalized\n\t\t// method assumes no rotated parent\n\n\t\t_q1.setFromAxisAngle( axis, angle );\n\n\t\tthis.quaternion.premultiply( _q1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateX( angle ) {\n\n\t\treturn this.rotateOnAxis( _xAxis, angle );\n\n\t}\n\n\trotateY( angle ) {\n\n\t\treturn this.rotateOnAxis( _yAxis, angle );\n\n\t}\n\n\trotateZ( angle ) {\n\n\t\treturn this.rotateOnAxis( _zAxis, angle );\n\n\t}\n\n\ttranslateOnAxis( axis, distance ) {\n\n\t\t// translate object by distance along axis in object space\n\t\t// axis is assumed to be normalized\n\n\t\t_v1$4.copy( axis ).applyQuaternion( this.quaternion );\n\n\t\tthis.position.add( _v1$4.multiplyScalar( distance ) );\n\n\t\treturn this;\n\n\t}\n\n\ttranslateX( distance ) {\n\n\t\treturn this.translateOnAxis( _xAxis, distance );\n\n\t}\n\n\ttranslateY( distance ) {\n\n\t\treturn this.translateOnAxis( _yAxis, distance );\n\n\t}\n\n\ttranslateZ( distance ) {\n\n\t\treturn this.translateOnAxis( _zAxis, distance );\n\n\t}\n\n\tlocalToWorld( vector ) {\n\n\t\treturn vector.applyMatrix4( this.matrixWorld );\n\n\t}\n\n\tworldToLocal( vector ) {\n\n\t\treturn vector.applyMatrix4( _m1$1.copy( this.matrixWorld ).invert() );\n\n\t}\n\n\tlookAt( x, y, z ) {\n\n\t\t// This method does not support objects having non-uniformly-scaled parent(s)\n\n\t\tif ( x.isVector3 ) {\n\n\t\t\t_target.copy( x );\n\n\t\t} else {\n\n\t\t\t_target.set( x, y, z );\n\n\t\t}\n\n\t\tconst parent = this.parent;\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\t_position$3.setFromMatrixPosition( this.matrixWorld );\n\n\t\tif ( this.isCamera || this.isLight ) {\n\n\t\t\t_m1$1.lookAt( _position$3, _target, this.up );\n\n\t\t} else {\n\n\t\t\t_m1$1.lookAt( _target, _position$3, this.up );\n\n\t\t}\n\n\t\tthis.quaternion.setFromRotationMatrix( _m1$1 );\n\n\t\tif ( parent ) {\n\n\t\t\t_m1$1.extractRotation( parent.matrixWorld );\n\t\t\t_q1.setFromRotationMatrix( _m1$1 );\n\t\t\tthis.quaternion.premultiply( _q1.invert() );\n\n\t\t}\n\n\t}\n\n\tadd( object ) {\n\n\t\tif ( arguments.length > 1 ) {\n\n\t\t\tfor ( let i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\tthis.add( arguments[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( object === this ) {\n\n\t\t\tconsole.error( 'THREE.Object3D.add: object can\\'t be added as a child of itself.', object );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( object && object.isObject3D ) {\n\n\t\t\tif ( object.parent !== null ) {\n\n\t\t\t\tobject.parent.remove( object );\n\n\t\t\t}\n\n\t\t\tobject.parent = this;\n\t\t\tthis.children.push( object );\n\n\t\t\tobject.dispatchEvent( _addedEvent );\n\n\t\t} else {\n\n\t\t\tconsole.error( 'THREE.Object3D.add: object not an instance of THREE.Object3D.', object );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tremove( object ) {\n\n\t\tif ( arguments.length > 1 ) {\n\n\t\t\tfor ( let i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\tthis.remove( arguments[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst index = this.children.indexOf( object );\n\n\t\tif ( index !== - 1 ) {\n\n\t\t\tobject.parent = null;\n\t\t\tthis.children.splice( index, 1 );\n\n\t\t\tobject.dispatchEvent( _removedEvent );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tremoveFromParent() {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( parent !== null ) {\n\n\t\t\tparent.remove( this );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclear() {\n\n\t\tfor ( let i = 0; i < this.children.length; i ++ ) {\n\n\t\t\tconst object = this.children[ i ];\n\n\t\t\tobject.parent = null;\n\n\t\t\tobject.dispatchEvent( _removedEvent );\n\n\t\t}\n\n\t\tthis.children.length = 0;\n\n\t\treturn this;\n\n\n\t}\n\n\tattach( object ) {\n\n\t\t// adds object as a child of this, while maintaining the object's world transform\n\n\t\t// Note: This method does not support scene graphs having non-uniformly-scaled nodes(s)\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\t_m1$1.copy( this.matrixWorld ).invert();\n\n\t\tif ( object.parent !== null ) {\n\n\t\t\tobject.parent.updateWorldMatrix( true, false );\n\n\t\t\t_m1$1.multiply( object.parent.matrixWorld );\n\n\t\t}\n\n\t\tobject.applyMatrix4( _m1$1 );\n\n\t\tthis.add( object );\n\n\t\tobject.updateWorldMatrix( false, true );\n\n\t\treturn this;\n\n\t}\n\n\tgetObjectById( id ) {\n\n\t\treturn this.getObjectByProperty( 'id', id );\n\n\t}\n\n\tgetObjectByName( name ) {\n\n\t\treturn this.getObjectByProperty( 'name', name );\n\n\t}\n\n\tgetObjectByProperty( name, value ) {\n\n\t\tif ( this[ name ] === value ) return this;\n\n\t\tfor ( let i = 0, l = this.children.length; i < l; i ++ ) {\n\n\t\t\tconst child = this.children[ i ];\n\t\t\tconst object = child.getObjectByProperty( name, value );\n\n\t\t\tif ( object !== undefined ) {\n\n\t\t\t\treturn object;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn undefined;\n\n\t}\n\n\tgetWorldPosition( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\treturn target.setFromMatrixPosition( this.matrixWorld );\n\n\t}\n\n\tgetWorldQuaternion( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tthis.matrixWorld.decompose( _position$3, target, _scale$2 );\n\n\t\treturn target;\n\n\t}\n\n\tgetWorldScale( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tthis.matrixWorld.decompose( _position$3, _quaternion$2, target );\n\n\t\treturn target;\n\n\t}\n\n\tgetWorldDirection( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tconst e = this.matrixWorld.elements;\n\n\t\treturn target.set( e[ 8 ], e[ 9 ], e[ 10 ] ).normalize();\n\n\t}\n\n\traycast() {}\n\n\ttraverse( callback ) {\n\n\t\tcallback( this );\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].traverse( callback );\n\n\t\t}\n\n\t}\n\n\ttraverseVisible( callback ) {\n\n\t\tif ( this.visible === false ) return;\n\n\t\tcallback( this );\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].traverseVisible( callback );\n\n\t\t}\n\n\t}\n\n\ttraverseAncestors( callback ) {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( parent !== null ) {\n\n\t\t\tcallback( parent );\n\n\t\t\tparent.traverseAncestors( callback );\n\n\t\t}\n\n\t}\n\n\tupdateMatrix() {\n\n\t\tthis.matrix.compose( this.position, this.quaternion, this.scale );\n\n\t\tthis.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tif ( this.matrixWorldNeedsUpdate || force ) {\n\n\t\t\tif ( this.parent === null ) {\n\n\t\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t\t} else {\n\n\t\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t\t}\n\n\t\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\t\tforce = true;\n\n\t\t}\n\n\t\t// update children\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].updateMatrixWorld( force );\n\n\t\t}\n\n\t}\n\n\tupdateWorldMatrix( updateParents, updateChildren ) {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( updateParents === true && parent !== null ) {\n\n\t\t\tparent.updateWorldMatrix( true, false );\n\n\t\t}\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tif ( this.parent === null ) {\n\n\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t} else {\n\n\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t}\n\n\t\t// update children\n\n\t\tif ( updateChildren === true ) {\n\n\t\t\tconst children = this.children;\n\n\t\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].updateWorldMatrix( false, true );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\t// meta is a string when called from JSON.stringify\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tconst output = {};\n\n\t\t// meta is a hash used to collect geometries, materials.\n\t\t// not providing it implies that this is the root object\n\t\t// being serialized.\n\t\tif ( isRootObject ) {\n\n\t\t\t// initialize meta obj\n\t\t\tmeta = {\n\t\t\t\tgeometries: {},\n\t\t\t\tmaterials: {},\n\t\t\t\ttextures: {},\n\t\t\t\timages: {},\n\t\t\t\tshapes: {},\n\t\t\t\tskeletons: {},\n\t\t\t\tanimations: {}\n\t\t\t};\n\n\t\t\toutput.metadata = {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Object',\n\t\t\t\tgenerator: 'Object3D.toJSON'\n\t\t\t};\n\n\t\t}\n\n\t\t// standard Object3D serialization\n\n\t\tconst object = {};\n\n\t\tobject.uuid = this.uuid;\n\t\tobject.type = this.type;\n\n\t\tif ( this.name !== '' ) object.name = this.name;\n\t\tif ( this.castShadow === true ) object.castShadow = true;\n\t\tif ( this.receiveShadow === true ) object.receiveShadow = true;\n\t\tif ( this.visible === false ) object.visible = false;\n\t\tif ( this.frustumCulled === false ) object.frustumCulled = false;\n\t\tif ( this.renderOrder !== 0 ) object.renderOrder = this.renderOrder;\n\t\tif ( JSON.stringify( this.userData ) !== '{}' ) object.userData = this.userData;\n\n\t\tobject.layers = this.layers.mask;\n\t\tobject.matrix = this.matrix.toArray();\n\n\t\tif ( this.matrixAutoUpdate === false ) object.matrixAutoUpdate = false;\n\n\t\t// object specific properties\n\n\t\tif ( this.isInstancedMesh ) {\n\n\t\t\tobject.type = 'InstancedMesh';\n\t\t\tobject.count = this.count;\n\t\t\tobject.instanceMatrix = this.instanceMatrix.toJSON();\n\t\t\tif ( this.instanceColor !== null ) object.instanceColor = this.instanceColor.toJSON();\n\n\t\t}\n\n\t\t//\n\n\t\tfunction serialize( library, element ) {\n\n\t\t\tif ( library[ element.uuid ] === undefined ) {\n\n\t\t\t\tlibrary[ element.uuid ] = element.toJSON( meta );\n\n\t\t\t}\n\n\t\t\treturn element.uuid;\n\n\t\t}\n\n\t\tif ( this.isScene ) {\n\n\t\t\tif ( this.background ) {\n\n\t\t\t\tif ( this.background.isColor ) {\n\n\t\t\t\t\tobject.background = this.background.toJSON();\n\n\t\t\t\t} else if ( this.background.isTexture ) {\n\n\t\t\t\t\tobject.background = this.background.toJSON( meta ).uuid;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.environment && this.environment.isTexture ) {\n\n\t\t\t\tobject.environment = this.environment.toJSON( meta ).uuid;\n\n\t\t\t}\n\n\t\t} else if ( this.isMesh || this.isLine || this.isPoints ) {\n\n\t\t\tobject.geometry = serialize( meta.geometries, this.geometry );\n\n\t\t\tconst parameters = this.geometry.parameters;\n\n\t\t\tif ( parameters !== undefined && parameters.shapes !== undefined ) {\n\n\t\t\t\tconst shapes = parameters.shapes;\n\n\t\t\t\tif ( Array.isArray( shapes ) ) {\n\n\t\t\t\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tconst shape = shapes[ i ];\n\n\t\t\t\t\t\tserialize( meta.shapes, shape );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tserialize( meta.shapes, shapes );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.isSkinnedMesh ) {\n\n\t\t\tobject.bindMode = this.bindMode;\n\t\t\tobject.bindMatrix = this.bindMatrix.toArray();\n\n\t\t\tif ( this.skeleton !== undefined ) {\n\n\t\t\t\tserialize( meta.skeletons, this.skeleton );\n\n\t\t\t\tobject.skeleton = this.skeleton.uuid;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.material !== undefined ) {\n\n\t\t\tif ( Array.isArray( this.material ) ) {\n\n\t\t\t\tconst uuids = [];\n\n\t\t\t\tfor ( let i = 0, l = this.material.length; i < l; i ++ ) {\n\n\t\t\t\t\tuuids.push( serialize( meta.materials, this.material[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tobject.material = uuids;\n\n\t\t\t} else {\n\n\t\t\t\tobject.material = serialize( meta.materials, this.material );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.children.length > 0 ) {\n\n\t\t\tobject.children = [];\n\n\t\t\tfor ( let i = 0; i < this.children.length; i ++ ) {\n\n\t\t\t\tobject.children.push( this.children[ i ].toJSON( meta ).object );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.animations.length > 0 ) {\n\n\t\t\tobject.animations = [];\n\n\t\t\tfor ( let i = 0; i < this.animations.length; i ++ ) {\n\n\t\t\t\tconst animation = this.animations[ i ];\n\n\t\t\t\tobject.animations.push( serialize( meta.animations, animation ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( isRootObject ) {\n\n\t\t\tconst geometries = extractFromCache( meta.geometries );\n\t\t\tconst materials = extractFromCache( meta.materials );\n\t\t\tconst textures = extractFromCache( meta.textures );\n\t\t\tconst images = extractFromCache( meta.images );\n\t\t\tconst shapes = extractFromCache( meta.shapes );\n\t\t\tconst skeletons = extractFromCache( meta.skeletons );\n\t\t\tconst animations = extractFromCache( meta.animations );\n\n\t\t\tif ( geometries.length > 0 ) output.geometries = geometries;\n\t\t\tif ( materials.length > 0 ) output.materials = materials;\n\t\t\tif ( textures.length > 0 ) output.textures = textures;\n\t\t\tif ( images.length > 0 ) output.images = images;\n\t\t\tif ( shapes.length > 0 ) output.shapes = shapes;\n\t\t\tif ( skeletons.length > 0 ) output.skeletons = skeletons;\n\t\t\tif ( animations.length > 0 ) output.animations = animations;\n\n\t\t}\n\n\t\toutput.object = object;\n\n\t\treturn output;\n\n\t\t// extract data from the cache hash\n\t\t// remove metadata on each item\n\t\t// and return as array\n\t\tfunction extractFromCache( cache ) {\n\n\t\t\tconst values = [];\n\t\t\tfor ( const key in cache ) {\n\n\t\t\t\tconst data = cache[ key ];\n\t\t\t\tdelete data.metadata;\n\t\t\t\tvalues.push( data );\n\n\t\t\t}\n\n\t\t\treturn values;\n\n\t\t}\n\n\t}\n\n\tclone( recursive ) {\n\n\t\treturn new this.constructor().copy( this, recursive );\n\n\t}\n\n\tcopy( source, recursive = true ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.up.copy( source.up );\n\n\t\tthis.position.copy( source.position );\n\t\tthis.rotation.order = source.rotation.order;\n\t\tthis.quaternion.copy( source.quaternion );\n\t\tthis.scale.copy( source.scale );\n\n\t\tthis.matrix.copy( source.matrix );\n\t\tthis.matrixWorld.copy( source.matrixWorld );\n\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\t\tthis.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate;\n\n\t\tthis.layers.mask = source.layers.mask;\n\t\tthis.visible = source.visible;\n\n\t\tthis.castShadow = source.castShadow;\n\t\tthis.receiveShadow = source.receiveShadow;\n\n\t\tthis.frustumCulled = source.frustumCulled;\n\t\tthis.renderOrder = source.renderOrder;\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\tif ( recursive === true ) {\n\n\t\t\tfor ( let i = 0; i < source.children.length; i ++ ) {\n\n\t\t\t\tconst child = source.children[ i ];\n\t\t\t\tthis.add( child.clone() );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nObject3D.DefaultUp = new Vector3( 0, 1, 0 );\nObject3D.DefaultMatrixAutoUpdate = true;\n\nObject3D.prototype.isObject3D = true;\n\nconst _v0$1 = /*@__PURE__*/ new Vector3();\nconst _v1$3 = /*@__PURE__*/ new Vector3();\nconst _v2$2 = /*@__PURE__*/ new Vector3();\nconst _v3$1 = /*@__PURE__*/ new Vector3();\n\nconst _vab = /*@__PURE__*/ new Vector3();\nconst _vac = /*@__PURE__*/ new Vector3();\nconst _vbc = /*@__PURE__*/ new Vector3();\nconst _vap = /*@__PURE__*/ new Vector3();\nconst _vbp = /*@__PURE__*/ new Vector3();\nconst _vcp = /*@__PURE__*/ new Vector3();\n\nclass Triangle {\n\n\tconstructor( a = new Vector3(), b = new Vector3(), c = new Vector3() ) {\n\n\t\tthis.a = a;\n\t\tthis.b = b;\n\t\tthis.c = c;\n\n\t}\n\n\tstatic getNormal( a, b, c, target ) {\n\n\t\ttarget.subVectors( c, b );\n\t\t_v0$1.subVectors( a, b );\n\t\ttarget.cross( _v0$1 );\n\n\t\tconst targetLengthSq = target.lengthSq();\n\t\tif ( targetLengthSq > 0 ) {\n\n\t\t\treturn target.multiplyScalar( 1 / Math.sqrt( targetLengthSq ) );\n\n\t\t}\n\n\t\treturn target.set( 0, 0, 0 );\n\n\t}\n\n\t// static/instance method to calculate barycentric coordinates\n\t// based on: http://www.blackpawn.com/texts/pointinpoly/default.html\n\tstatic getBarycoord( point, a, b, c, target ) {\n\n\t\t_v0$1.subVectors( c, a );\n\t\t_v1$3.subVectors( b, a );\n\t\t_v2$2.subVectors( point, a );\n\n\t\tconst dot00 = _v0$1.dot( _v0$1 );\n\t\tconst dot01 = _v0$1.dot( _v1$3 );\n\t\tconst dot02 = _v0$1.dot( _v2$2 );\n\t\tconst dot11 = _v1$3.dot( _v1$3 );\n\t\tconst dot12 = _v1$3.dot( _v2$2 );\n\n\t\tconst denom = ( dot00 * dot11 - dot01 * dot01 );\n\n\t\t// collinear or singular triangle\n\t\tif ( denom === 0 ) {\n\n\t\t\t// arbitrary location outside of triangle?\n\t\t\t// not sure if this is the best idea, maybe should be returning undefined\n\t\t\treturn target.set( - 2, - 1, - 1 );\n\n\t\t}\n\n\t\tconst invDenom = 1 / denom;\n\t\tconst u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom;\n\t\tconst v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom;\n\n\t\t// barycentric coordinates must always sum to 1\n\t\treturn target.set( 1 - u - v, v, u );\n\n\t}\n\n\tstatic containsPoint( point, a, b, c ) {\n\n\t\tthis.getBarycoord( point, a, b, c, _v3$1 );\n\n\t\treturn ( _v3$1.x >= 0 ) && ( _v3$1.y >= 0 ) && ( ( _v3$1.x + _v3$1.y ) <= 1 );\n\n\t}\n\n\tstatic getUV( point, p1, p2, p3, uv1, uv2, uv3, target ) {\n\n\t\tthis.getBarycoord( point, p1, p2, p3, _v3$1 );\n\n\t\ttarget.set( 0, 0 );\n\t\ttarget.addScaledVector( uv1, _v3$1.x );\n\t\ttarget.addScaledVector( uv2, _v3$1.y );\n\t\ttarget.addScaledVector( uv3, _v3$1.z );\n\n\t\treturn target;\n\n\t}\n\n\tstatic isFrontFacing( a, b, c, direction ) {\n\n\t\t_v0$1.subVectors( c, b );\n\t\t_v1$3.subVectors( a, b );\n\n\t\t// strictly front facing\n\t\treturn ( _v0$1.cross( _v1$3 ).dot( direction ) < 0 ) ? true : false;\n\n\t}\n\n\tset( a, b, c ) {\n\n\t\tthis.a.copy( a );\n\t\tthis.b.copy( b );\n\t\tthis.c.copy( c );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPointsAndIndices( points, i0, i1, i2 ) {\n\n\t\tthis.a.copy( points[ i0 ] );\n\t\tthis.b.copy( points[ i1 ] );\n\t\tthis.c.copy( points[ i2 ] );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromAttributeAndIndices( attribute, i0, i1, i2 ) {\n\n\t\tthis.a.fromBufferAttribute( attribute, i0 );\n\t\tthis.b.fromBufferAttribute( attribute, i1 );\n\t\tthis.c.fromBufferAttribute( attribute, i2 );\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( triangle ) {\n\n\t\tthis.a.copy( triangle.a );\n\t\tthis.b.copy( triangle.b );\n\t\tthis.c.copy( triangle.c );\n\n\t\treturn this;\n\n\t}\n\n\tgetArea() {\n\n\t\t_v0$1.subVectors( this.c, this.b );\n\t\t_v1$3.subVectors( this.a, this.b );\n\n\t\treturn _v0$1.cross( _v1$3 ).length() * 0.5;\n\n\t}\n\n\tgetMidpoint( target ) {\n\n\t\treturn target.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 );\n\n\t}\n\n\tgetNormal( target ) {\n\n\t\treturn Triangle.getNormal( this.a, this.b, this.c, target );\n\n\t}\n\n\tgetPlane( target ) {\n\n\t\treturn target.setFromCoplanarPoints( this.a, this.b, this.c );\n\n\t}\n\n\tgetBarycoord( point, target ) {\n\n\t\treturn Triangle.getBarycoord( point, this.a, this.b, this.c, target );\n\n\t}\n\n\tgetUV( point, uv1, uv2, uv3, target ) {\n\n\t\treturn Triangle.getUV( point, this.a, this.b, this.c, uv1, uv2, uv3, target );\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn Triangle.containsPoint( point, this.a, this.b, this.c );\n\n\t}\n\n\tisFrontFacing( direction ) {\n\n\t\treturn Triangle.isFrontFacing( this.a, this.b, this.c, direction );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsTriangle( this );\n\n\t}\n\n\tclosestPointToPoint( p, target ) {\n\n\t\tconst a = this.a, b = this.b, c = this.c;\n\t\tlet v, w;\n\n\t\t// algorithm thanks to Real-Time Collision Detection by Christer Ericson,\n\t\t// published by Morgan Kaufmann Publishers, (c) 2005 Elsevier Inc.,\n\t\t// under the accompanying license; see chapter 5.1.5 for detailed explanation.\n\t\t// basically, we're distinguishing which of the voronoi regions of the triangle\n\t\t// the point lies in with the minimum amount of redundant computation.\n\n\t\t_vab.subVectors( b, a );\n\t\t_vac.subVectors( c, a );\n\t\t_vap.subVectors( p, a );\n\t\tconst d1 = _vab.dot( _vap );\n\t\tconst d2 = _vac.dot( _vap );\n\t\tif ( d1 <= 0 && d2 <= 0 ) {\n\n\t\t\t// vertex region of A; barycentric coords (1, 0, 0)\n\t\t\treturn target.copy( a );\n\n\t\t}\n\n\t\t_vbp.subVectors( p, b );\n\t\tconst d3 = _vab.dot( _vbp );\n\t\tconst d4 = _vac.dot( _vbp );\n\t\tif ( d3 >= 0 && d4 <= d3 ) {\n\n\t\t\t// vertex region of B; barycentric coords (0, 1, 0)\n\t\t\treturn target.copy( b );\n\n\t\t}\n\n\t\tconst vc = d1 * d4 - d3 * d2;\n\t\tif ( vc <= 0 && d1 >= 0 && d3 <= 0 ) {\n\n\t\t\tv = d1 / ( d1 - d3 );\n\t\t\t// edge region of AB; barycentric coords (1-v, v, 0)\n\t\t\treturn target.copy( a ).addScaledVector( _vab, v );\n\n\t\t}\n\n\t\t_vcp.subVectors( p, c );\n\t\tconst d5 = _vab.dot( _vcp );\n\t\tconst d6 = _vac.dot( _vcp );\n\t\tif ( d6 >= 0 && d5 <= d6 ) {\n\n\t\t\t// vertex region of C; barycentric coords (0, 0, 1)\n\t\t\treturn target.copy( c );\n\n\t\t}\n\n\t\tconst vb = d5 * d2 - d1 * d6;\n\t\tif ( vb <= 0 && d2 >= 0 && d6 <= 0 ) {\n\n\t\t\tw = d2 / ( d2 - d6 );\n\t\t\t// edge region of AC; barycentric coords (1-w, 0, w)\n\t\t\treturn target.copy( a ).addScaledVector( _vac, w );\n\n\t\t}\n\n\t\tconst va = d3 * d6 - d5 * d4;\n\t\tif ( va <= 0 && ( d4 - d3 ) >= 0 && ( d5 - d6 ) >= 0 ) {\n\n\t\t\t_vbc.subVectors( c, b );\n\t\t\tw = ( d4 - d3 ) / ( ( d4 - d3 ) + ( d5 - d6 ) );\n\t\t\t// edge region of BC; barycentric coords (0, 1-w, w)\n\t\t\treturn target.copy( b ).addScaledVector( _vbc, w ); // edge region of BC\n\n\t\t}\n\n\t\t// face region\n\t\tconst denom = 1 / ( va + vb + vc );\n\t\t// u = va * denom\n\t\tv = vb * denom;\n\t\tw = vc * denom;\n\n\t\treturn target.copy( a ).addScaledVector( _vab, v ).addScaledVector( _vac, w );\n\n\t}\n\n\tequals( triangle ) {\n\n\t\treturn triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c );\n\n\t}\n\n}\n\nlet materialId = 0;\n\nclass Material extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tObject.defineProperty( this, 'id', { value: materialId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Material';\n\n\t\tthis.fog = true;\n\n\t\tthis.blending = NormalBlending;\n\t\tthis.side = FrontSide;\n\t\tthis.vertexColors = false;\n\n\t\tthis.opacity = 1;\n\t\tthis.format = RGBAFormat;\n\t\tthis.transparent = false;\n\n\t\tthis.blendSrc = SrcAlphaFactor;\n\t\tthis.blendDst = OneMinusSrcAlphaFactor;\n\t\tthis.blendEquation = AddEquation;\n\t\tthis.blendSrcAlpha = null;\n\t\tthis.blendDstAlpha = null;\n\t\tthis.blendEquationAlpha = null;\n\n\t\tthis.depthFunc = LessEqualDepth;\n\t\tthis.depthTest = true;\n\t\tthis.depthWrite = true;\n\n\t\tthis.stencilWriteMask = 0xff;\n\t\tthis.stencilFunc = AlwaysStencilFunc;\n\t\tthis.stencilRef = 0;\n\t\tthis.stencilFuncMask = 0xff;\n\t\tthis.stencilFail = KeepStencilOp;\n\t\tthis.stencilZFail = KeepStencilOp;\n\t\tthis.stencilZPass = KeepStencilOp;\n\t\tthis.stencilWrite = false;\n\n\t\tthis.clippingPlanes = null;\n\t\tthis.clipIntersection = false;\n\t\tthis.clipShadows = false;\n\n\t\tthis.shadowSide = null;\n\n\t\tthis.colorWrite = true;\n\n\t\tthis.precision = null; // override the renderer's default precision for this material\n\n\t\tthis.polygonOffset = false;\n\t\tthis.polygonOffsetFactor = 0;\n\t\tthis.polygonOffsetUnits = 0;\n\n\t\tthis.dithering = false;\n\n\t\tthis.alphaToCoverage = false;\n\t\tthis.premultipliedAlpha = false;\n\n\t\tthis.visible = true;\n\n\t\tthis.toneMapped = true;\n\n\t\tthis.userData = {};\n\n\t\tthis.version = 0;\n\n\t\tthis._alphaTest = 0;\n\n\t}\n\n\tget alphaTest() {\n\n\t\treturn this._alphaTest;\n\n\t}\n\n\tset alphaTest( value ) {\n\n\t\tif ( this._alphaTest > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._alphaTest = value;\n\n\t}\n\n\tonBuild( /* shaderobject, renderer */ ) {}\n\n\tonBeforeRender( /* renderer, scene, camera, geometry, object, group */ ) {}\n\n\tonBeforeCompile( /* shaderobject, renderer */ ) {}\n\n\tcustomProgramCacheKey() {\n\n\t\treturn this.onBeforeCompile.toString();\n\n\t}\n\n\tsetValues( values ) {\n\n\t\tif ( values === undefined ) return;\n\n\t\tfor ( const key in values ) {\n\n\t\t\tconst newValue = values[ key ];\n\n\t\t\tif ( newValue === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Material: \\'' + key + '\\' parameter is undefined.' );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\t// for backward compatability if shading is set in the constructor\n\t\t\tif ( key === 'shading' ) {\n\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .shading has been removed. Use the boolean .flatShading instead.' );\n\t\t\t\tthis.flatShading = ( newValue === FlatShading ) ? true : false;\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tconst currentValue = this[ key ];\n\n\t\t\tif ( currentValue === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': \\'' + key + '\\' is not a property of this material.' );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tif ( currentValue && currentValue.isColor ) {\n\n\t\t\t\tcurrentValue.set( newValue );\n\n\t\t\t} else if ( ( currentValue && currentValue.isVector3 ) && ( newValue && newValue.isVector3 ) ) {\n\n\t\t\t\tcurrentValue.copy( newValue );\n\n\t\t\t} else {\n\n\t\t\t\tthis[ key ] = newValue;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst isRoot = ( meta === undefined || typeof meta === 'string' );\n\n\t\tif ( isRoot ) {\n\n\t\t\tmeta = {\n\t\t\t\ttextures: {},\n\t\t\t\timages: {}\n\t\t\t};\n\n\t\t}\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Material',\n\t\t\t\tgenerator: 'Material.toJSON'\n\t\t\t}\n\t\t};\n\n\t\t// standard Material serialization\n\t\tdata.uuid = this.uuid;\n\t\tdata.type = this.type;\n\n\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\tif ( this.color && this.color.isColor ) data.color = this.color.getHex();\n\n\t\tif ( this.roughness !== undefined ) data.roughness = this.roughness;\n\t\tif ( this.metalness !== undefined ) data.metalness = this.metalness;\n\n\t\tif ( this.sheen !== undefined ) data.sheen = this.sheen;\n\t\tif ( this.sheenColor && this.sheenColor.isColor ) data.sheenColor = this.sheenColor.getHex();\n\t\tif ( this.sheenRoughness !== undefined ) data.sheenRoughness = this.sheenRoughness;\n\t\tif ( this.emissive && this.emissive.isColor ) data.emissive = this.emissive.getHex();\n\t\tif ( this.emissiveIntensity && this.emissiveIntensity !== 1 ) data.emissiveIntensity = this.emissiveIntensity;\n\n\t\tif ( this.specular && this.specular.isColor ) data.specular = this.specular.getHex();\n\t\tif ( this.specularIntensity !== undefined ) data.specularIntensity = this.specularIntensity;\n\t\tif ( this.specularColor && this.specularColor.isColor ) data.specularColor = this.specularColor.getHex();\n\t\tif ( this.shininess !== undefined ) data.shininess = this.shininess;\n\t\tif ( this.clearcoat !== undefined ) data.clearcoat = this.clearcoat;\n\t\tif ( this.clearcoatRoughness !== undefined ) data.clearcoatRoughness = this.clearcoatRoughness;\n\n\t\tif ( this.clearcoatMap && this.clearcoatMap.isTexture ) {\n\n\t\t\tdata.clearcoatMap = this.clearcoatMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.clearcoatRoughnessMap && this.clearcoatRoughnessMap.isTexture ) {\n\n\t\t\tdata.clearcoatRoughnessMap = this.clearcoatRoughnessMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.clearcoatNormalMap && this.clearcoatNormalMap.isTexture ) {\n\n\t\t\tdata.clearcoatNormalMap = this.clearcoatNormalMap.toJSON( meta ).uuid;\n\t\t\tdata.clearcoatNormalScale = this.clearcoatNormalScale.toArray();\n\n\t\t}\n\n\t\tif ( this.map && this.map.isTexture ) data.map = this.map.toJSON( meta ).uuid;\n\t\tif ( this.matcap && this.matcap.isTexture ) data.matcap = this.matcap.toJSON( meta ).uuid;\n\t\tif ( this.alphaMap && this.alphaMap.isTexture ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid;\n\n\t\tif ( this.lightMap && this.lightMap.isTexture ) {\n\n\t\t\tdata.lightMap = this.lightMap.toJSON( meta ).uuid;\n\t\t\tdata.lightMapIntensity = this.lightMapIntensity;\n\n\t\t}\n\n\t\tif ( this.aoMap && this.aoMap.isTexture ) {\n\n\t\t\tdata.aoMap = this.aoMap.toJSON( meta ).uuid;\n\t\t\tdata.aoMapIntensity = this.aoMapIntensity;\n\n\t\t}\n\n\t\tif ( this.bumpMap && this.bumpMap.isTexture ) {\n\n\t\t\tdata.bumpMap = this.bumpMap.toJSON( meta ).uuid;\n\t\t\tdata.bumpScale = this.bumpScale;\n\n\t\t}\n\n\t\tif ( this.normalMap && this.normalMap.isTexture ) {\n\n\t\t\tdata.normalMap = this.normalMap.toJSON( meta ).uuid;\n\t\t\tdata.normalMapType = this.normalMapType;\n\t\t\tdata.normalScale = this.normalScale.toArray();\n\n\t\t}\n\n\t\tif ( this.displacementMap && this.displacementMap.isTexture ) {\n\n\t\t\tdata.displacementMap = this.displacementMap.toJSON( meta ).uuid;\n\t\t\tdata.displacementScale = this.displacementScale;\n\t\t\tdata.displacementBias = this.displacementBias;\n\n\t\t}\n\n\t\tif ( this.roughnessMap && this.roughnessMap.isTexture ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid;\n\t\tif ( this.metalnessMap && this.metalnessMap.isTexture ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid;\n\n\t\tif ( this.emissiveMap && this.emissiveMap.isTexture ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid;\n\t\tif ( this.specularMap && this.specularMap.isTexture ) data.specularMap = this.specularMap.toJSON( meta ).uuid;\n\t\tif ( this.specularIntensityMap && this.specularIntensityMap.isTexture ) data.specularIntensityMap = this.specularIntensityMap.toJSON( meta ).uuid;\n\t\tif ( this.specularColorMap && this.specularColorMap.isTexture ) data.specularColorMap = this.specularColorMap.toJSON( meta ).uuid;\n\n\t\tif ( this.envMap && this.envMap.isTexture ) {\n\n\t\t\tdata.envMap = this.envMap.toJSON( meta ).uuid;\n\n\t\t\tif ( this.combine !== undefined ) data.combine = this.combine;\n\n\t\t}\n\n\t\tif ( this.envMapIntensity !== undefined ) data.envMapIntensity = this.envMapIntensity;\n\t\tif ( this.reflectivity !== undefined ) data.reflectivity = this.reflectivity;\n\t\tif ( this.refractionRatio !== undefined ) data.refractionRatio = this.refractionRatio;\n\n\t\tif ( this.gradientMap && this.gradientMap.isTexture ) {\n\n\t\t\tdata.gradientMap = this.gradientMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.transmission !== undefined ) data.transmission = this.transmission;\n\t\tif ( this.transmissionMap && this.transmissionMap.isTexture ) data.transmissionMap = this.transmissionMap.toJSON( meta ).uuid;\n\t\tif ( this.thickness !== undefined ) data.thickness = this.thickness;\n\t\tif ( this.thicknessMap && this.thicknessMap.isTexture ) data.thicknessMap = this.thicknessMap.toJSON( meta ).uuid;\n\t\tif ( this.attenuationDistance !== undefined ) data.attenuationDistance = this.attenuationDistance;\n\t\tif ( this.attenuationColor !== undefined ) data.attenuationColor = this.attenuationColor.getHex();\n\n\t\tif ( this.size !== undefined ) data.size = this.size;\n\t\tif ( this.shadowSide !== null ) data.shadowSide = this.shadowSide;\n\t\tif ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation;\n\n\t\tif ( this.blending !== NormalBlending ) data.blending = this.blending;\n\t\tif ( this.side !== FrontSide ) data.side = this.side;\n\t\tif ( this.vertexColors ) data.vertexColors = true;\n\n\t\tif ( this.opacity < 1 ) data.opacity = this.opacity;\n\t\tif ( this.format !== RGBAFormat ) data.format = this.format;\n\t\tif ( this.transparent === true ) data.transparent = this.transparent;\n\n\t\tdata.depthFunc = this.depthFunc;\n\t\tdata.depthTest = this.depthTest;\n\t\tdata.depthWrite = this.depthWrite;\n\t\tdata.colorWrite = this.colorWrite;\n\n\t\tdata.stencilWrite = this.stencilWrite;\n\t\tdata.stencilWriteMask = this.stencilWriteMask;\n\t\tdata.stencilFunc = this.stencilFunc;\n\t\tdata.stencilRef = this.stencilRef;\n\t\tdata.stencilFuncMask = this.stencilFuncMask;\n\t\tdata.stencilFail = this.stencilFail;\n\t\tdata.stencilZFail = this.stencilZFail;\n\t\tdata.stencilZPass = this.stencilZPass;\n\n\t\t// rotation (SpriteMaterial)\n\t\tif ( this.rotation && this.rotation !== 0 ) data.rotation = this.rotation;\n\n\t\tif ( this.polygonOffset === true ) data.polygonOffset = true;\n\t\tif ( this.polygonOffsetFactor !== 0 ) data.polygonOffsetFactor = this.polygonOffsetFactor;\n\t\tif ( this.polygonOffsetUnits !== 0 ) data.polygonOffsetUnits = this.polygonOffsetUnits;\n\n\t\tif ( this.linewidth && this.linewidth !== 1 ) data.linewidth = this.linewidth;\n\t\tif ( this.dashSize !== undefined ) data.dashSize = this.dashSize;\n\t\tif ( this.gapSize !== undefined ) data.gapSize = this.gapSize;\n\t\tif ( this.scale !== undefined ) data.scale = this.scale;\n\n\t\tif ( this.dithering === true ) data.dithering = true;\n\n\t\tif ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest;\n\t\tif ( this.alphaToCoverage === true ) data.alphaToCoverage = this.alphaToCoverage;\n\t\tif ( this.premultipliedAlpha === true ) data.premultipliedAlpha = this.premultipliedAlpha;\n\n\t\tif ( this.wireframe === true ) data.wireframe = this.wireframe;\n\t\tif ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth;\n\t\tif ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap;\n\t\tif ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin;\n\n\t\tif ( this.flatShading === true ) data.flatShading = this.flatShading;\n\n\t\tif ( this.visible === false ) data.visible = false;\n\n\t\tif ( this.toneMapped === false ) data.toneMapped = false;\n\n\t\tif ( JSON.stringify( this.userData ) !== '{}' ) data.userData = this.userData;\n\n\t\t// TODO: Copied from Object3D.toJSON\n\n\t\tfunction extractFromCache( cache ) {\n\n\t\t\tconst values = [];\n\n\t\t\tfor ( const key in cache ) {\n\n\t\t\t\tconst data = cache[ key ];\n\t\t\t\tdelete data.metadata;\n\t\t\t\tvalues.push( data );\n\n\t\t\t}\n\n\t\t\treturn values;\n\n\t\t}\n\n\t\tif ( isRoot ) {\n\n\t\t\tconst textures = extractFromCache( meta.textures );\n\t\t\tconst images = extractFromCache( meta.images );\n\n\t\t\tif ( textures.length > 0 ) data.textures = textures;\n\t\t\tif ( images.length > 0 ) data.images = images;\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.fog = source.fog;\n\n\t\tthis.blending = source.blending;\n\t\tthis.side = source.side;\n\t\tthis.vertexColors = source.vertexColors;\n\n\t\tthis.opacity = source.opacity;\n\t\tthis.format = source.format;\n\t\tthis.transparent = source.transparent;\n\n\t\tthis.blendSrc = source.blendSrc;\n\t\tthis.blendDst = source.blendDst;\n\t\tthis.blendEquation = source.blendEquation;\n\t\tthis.blendSrcAlpha = source.blendSrcAlpha;\n\t\tthis.blendDstAlpha = source.blendDstAlpha;\n\t\tthis.blendEquationAlpha = source.blendEquationAlpha;\n\n\t\tthis.depthFunc = source.depthFunc;\n\t\tthis.depthTest = source.depthTest;\n\t\tthis.depthWrite = source.depthWrite;\n\n\t\tthis.stencilWriteMask = source.stencilWriteMask;\n\t\tthis.stencilFunc = source.stencilFunc;\n\t\tthis.stencilRef = source.stencilRef;\n\t\tthis.stencilFuncMask = source.stencilFuncMask;\n\t\tthis.stencilFail = source.stencilFail;\n\t\tthis.stencilZFail = source.stencilZFail;\n\t\tthis.stencilZPass = source.stencilZPass;\n\t\tthis.stencilWrite = source.stencilWrite;\n\n\t\tconst srcPlanes = source.clippingPlanes;\n\t\tlet dstPlanes = null;\n\n\t\tif ( srcPlanes !== null ) {\n\n\t\t\tconst n = srcPlanes.length;\n\t\t\tdstPlanes = new Array( n );\n\n\t\t\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\t\t\tdstPlanes[ i ] = srcPlanes[ i ].clone();\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.clippingPlanes = dstPlanes;\n\t\tthis.clipIntersection = source.clipIntersection;\n\t\tthis.clipShadows = source.clipShadows;\n\n\t\tthis.shadowSide = source.shadowSide;\n\n\t\tthis.colorWrite = source.colorWrite;\n\n\t\tthis.precision = source.precision;\n\n\t\tthis.polygonOffset = source.polygonOffset;\n\t\tthis.polygonOffsetFactor = source.polygonOffsetFactor;\n\t\tthis.polygonOffsetUnits = source.polygonOffsetUnits;\n\n\t\tthis.dithering = source.dithering;\n\n\t\tthis.alphaTest = source.alphaTest;\n\t\tthis.alphaToCoverage = source.alphaToCoverage;\n\t\tthis.premultipliedAlpha = source.premultipliedAlpha;\n\n\t\tthis.visible = source.visible;\n\n\t\tthis.toneMapped = source.toneMapped;\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n}\n\nMaterial.prototype.isMaterial = true;\n\nconst _colorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF,\n\t'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2,\n\t'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50,\n\t'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B,\n\t'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B,\n\t'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F,\n\t'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3,\n\t'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222,\n\t'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700,\n\t'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4,\n\t'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00,\n\t'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3,\n\t'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA,\n\t'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32,\n\t'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3,\n\t'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC,\n\t'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD,\n\t'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6,\n\t'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9,\n\t'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'rebeccapurple': 0x663399, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F,\n\t'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE,\n\t'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA,\n\t'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0,\n\t'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 };\n\nconst _hslA = { h: 0, s: 0, l: 0 };\nconst _hslB = { h: 0, s: 0, l: 0 };\n\nfunction hue2rgb( p, q, t ) {\n\n\tif ( t < 0 ) t += 1;\n\tif ( t > 1 ) t -= 1;\n\tif ( t < 1 / 6 ) return p + ( q - p ) * 6 * t;\n\tif ( t < 1 / 2 ) return q;\n\tif ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t );\n\treturn p;\n\n}\n\nfunction SRGBToLinear( c ) {\n\n\treturn ( c < 0.04045 ) ? c * 0.0773993808 : Math.pow( c * 0.9478672986 + 0.0521327014, 2.4 );\n\n}\n\nfunction LinearToSRGB( c ) {\n\n\treturn ( c < 0.0031308 ) ? c * 12.92 : 1.055 * ( Math.pow( c, 0.41666 ) ) - 0.055;\n\n}\n\nclass Color {\n\n\tconstructor( r, g, b ) {\n\n\t\tif ( g === undefined && b === undefined ) {\n\n\t\t\t// r is THREE.Color, hex or string\n\t\t\treturn this.set( r );\n\n\t\t}\n\n\t\treturn this.setRGB( r, g, b );\n\n\t}\n\n\tset( value ) {\n\n\t\tif ( value && value.isColor ) {\n\n\t\t\tthis.copy( value );\n\n\t\t} else if ( typeof value === 'number' ) {\n\n\t\t\tthis.setHex( value );\n\n\t\t} else if ( typeof value === 'string' ) {\n\n\t\t\tthis.setStyle( value );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.r = scalar;\n\t\tthis.g = scalar;\n\t\tthis.b = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetHex( hex ) {\n\n\t\thex = Math.floor( hex );\n\n\t\tthis.r = ( hex >> 16 & 255 ) / 255;\n\t\tthis.g = ( hex >> 8 & 255 ) / 255;\n\t\tthis.b = ( hex & 255 ) / 255;\n\n\t\treturn this;\n\n\t}\n\n\tsetRGB( r, g, b ) {\n\n\t\tthis.r = r;\n\t\tthis.g = g;\n\t\tthis.b = b;\n\n\t\treturn this;\n\n\t}\n\n\tsetHSL( h, s, l ) {\n\n\t\t// h,s,l ranges are in 0.0 - 1.0\n\t\th = euclideanModulo( h, 1 );\n\t\ts = clamp( s, 0, 1 );\n\t\tl = clamp( l, 0, 1 );\n\n\t\tif ( s === 0 ) {\n\n\t\t\tthis.r = this.g = this.b = l;\n\n\t\t} else {\n\n\t\t\tconst p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s );\n\t\t\tconst q = ( 2 * l ) - p;\n\n\t\t\tthis.r = hue2rgb( q, p, h + 1 / 3 );\n\t\t\tthis.g = hue2rgb( q, p, h );\n\t\t\tthis.b = hue2rgb( q, p, h - 1 / 3 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetStyle( style ) {\n\n\t\tfunction handleAlpha( string ) {\n\n\t\t\tif ( string === undefined ) return;\n\n\t\t\tif ( parseFloat( string ) < 1 ) {\n\n\t\t\t\tconsole.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' );\n\n\t\t\t}\n\n\t\t}\n\n\n\t\tlet m;\n\n\t\tif ( m = /^((?:rgb|hsl)a?)\\(([^\\)]*)\\)/.exec( style ) ) {\n\n\t\t\t// rgb / hsl\n\n\t\t\tlet color;\n\t\t\tconst name = m[ 1 ];\n\t\t\tconst components = m[ 2 ];\n\n\t\t\tswitch ( name ) {\n\n\t\t\t\tcase 'rgb':\n\t\t\t\tcase 'rgba':\n\n\t\t\t\t\tif ( color = /^\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// rgb(255,0,0) rgba(255,0,0,0.5)\n\t\t\t\t\t\tthis.r = Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255;\n\t\t\t\t\t\tthis.g = Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255;\n\t\t\t\t\t\tthis.b = Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255;\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( color = /^\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// rgb(100%,0%,0%) rgba(100%,0%,0%,0.5)\n\t\t\t\t\t\tthis.r = Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100;\n\t\t\t\t\t\tthis.g = Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100;\n\t\t\t\t\t\tthis.b = Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100;\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'hsl':\n\t\t\t\tcase 'hsla':\n\n\t\t\t\t\tif ( color = /^\\s*(\\d*\\.?\\d+)\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// hsl(120,50%,50%) hsla(120,50%,50%,0.5)\n\t\t\t\t\t\tconst h = parseFloat( color[ 1 ] ) / 360;\n\t\t\t\t\t\tconst s = parseInt( color[ 2 ], 10 ) / 100;\n\t\t\t\t\t\tconst l = parseInt( color[ 3 ], 10 ) / 100;\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this.setHSL( h, s, l );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t} else if ( m = /^\\#([A-Fa-f\\d]+)$/.exec( style ) ) {\n\n\t\t\t// hex color\n\n\t\t\tconst hex = m[ 1 ];\n\t\t\tconst size = hex.length;\n\n\t\t\tif ( size === 3 ) {\n\n\t\t\t\t// #ff0\n\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 0 ), 16 ) / 255;\n\t\t\t\tthis.g = parseInt( hex.charAt( 1 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\tthis.b = parseInt( hex.charAt( 2 ) + hex.charAt( 2 ), 16 ) / 255;\n\n\t\t\t\treturn this;\n\n\t\t\t} else if ( size === 6 ) {\n\n\t\t\t\t// #ff0000\n\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\tthis.g = parseInt( hex.charAt( 2 ) + hex.charAt( 3 ), 16 ) / 255;\n\t\t\t\tthis.b = parseInt( hex.charAt( 4 ) + hex.charAt( 5 ), 16 ) / 255;\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( style && style.length > 0 ) {\n\n\t\t\treturn this.setColorName( style );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetColorName( style ) {\n\n\t\t// color keywords\n\t\tconst hex = _colorKeywords[ style.toLowerCase() ];\n\n\t\tif ( hex !== undefined ) {\n\n\t\t\t// red\n\t\t\tthis.setHex( hex );\n\n\t\t} else {\n\n\t\t\t// unknown color\n\t\t\tconsole.warn( 'THREE.Color: Unknown color ' + style );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.r, this.g, this.b );\n\n\t}\n\n\tcopy( color ) {\n\n\t\tthis.r = color.r;\n\t\tthis.g = color.g;\n\t\tthis.b = color.b;\n\n\t\treturn this;\n\n\t}\n\n\tcopyGammaToLinear( color, gammaFactor = 2.0 ) {\n\n\t\tthis.r = Math.pow( color.r, gammaFactor );\n\t\tthis.g = Math.pow( color.g, gammaFactor );\n\t\tthis.b = Math.pow( color.b, gammaFactor );\n\n\t\treturn this;\n\n\t}\n\n\tcopyLinearToGamma( color, gammaFactor = 2.0 ) {\n\n\t\tconst safeInverse = ( gammaFactor > 0 ) ? ( 1.0 / gammaFactor ) : 1.0;\n\n\t\tthis.r = Math.pow( color.r, safeInverse );\n\t\tthis.g = Math.pow( color.g, safeInverse );\n\t\tthis.b = Math.pow( color.b, safeInverse );\n\n\t\treturn this;\n\n\t}\n\n\tconvertGammaToLinear( gammaFactor ) {\n\n\t\tthis.copyGammaToLinear( this, gammaFactor );\n\n\t\treturn this;\n\n\t}\n\n\tconvertLinearToGamma( gammaFactor ) {\n\n\t\tthis.copyLinearToGamma( this, gammaFactor );\n\n\t\treturn this;\n\n\t}\n\n\tcopySRGBToLinear( color ) {\n\n\t\tthis.r = SRGBToLinear( color.r );\n\t\tthis.g = SRGBToLinear( color.g );\n\t\tthis.b = SRGBToLinear( color.b );\n\n\t\treturn this;\n\n\t}\n\n\tcopyLinearToSRGB( color ) {\n\n\t\tthis.r = LinearToSRGB( color.r );\n\t\tthis.g = LinearToSRGB( color.g );\n\t\tthis.b = LinearToSRGB( color.b );\n\n\t\treturn this;\n\n\t}\n\n\tconvertSRGBToLinear() {\n\n\t\tthis.copySRGBToLinear( this );\n\n\t\treturn this;\n\n\t}\n\n\tconvertLinearToSRGB() {\n\n\t\tthis.copyLinearToSRGB( this );\n\n\t\treturn this;\n\n\t}\n\n\tgetHex() {\n\n\t\treturn ( this.r * 255 ) << 16 ^ ( this.g * 255 ) << 8 ^ ( this.b * 255 ) << 0;\n\n\t}\n\n\tgetHexString() {\n\n\t\treturn ( '000000' + this.getHex().toString( 16 ) ).slice( - 6 );\n\n\t}\n\n\tgetHSL( target ) {\n\n\t\t// h,s,l ranges are in 0.0 - 1.0\n\n\t\tconst r = this.r, g = this.g, b = this.b;\n\n\t\tconst max = Math.max( r, g, b );\n\t\tconst min = Math.min( r, g, b );\n\n\t\tlet hue, saturation;\n\t\tconst lightness = ( min + max ) / 2.0;\n\n\t\tif ( min === max ) {\n\n\t\t\thue = 0;\n\t\t\tsaturation = 0;\n\n\t\t} else {\n\n\t\t\tconst delta = max - min;\n\n\t\t\tsaturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min );\n\n\t\t\tswitch ( max ) {\n\n\t\t\t\tcase r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break;\n\t\t\t\tcase g: hue = ( b - r ) / delta + 2; break;\n\t\t\t\tcase b: hue = ( r - g ) / delta + 4; break;\n\n\t\t\t}\n\n\t\t\thue /= 6;\n\n\t\t}\n\n\t\ttarget.h = hue;\n\t\ttarget.s = saturation;\n\t\ttarget.l = lightness;\n\n\t\treturn target;\n\n\t}\n\n\tgetStyle() {\n\n\t\treturn 'rgb(' + ( ( this.r * 255 ) | 0 ) + ',' + ( ( this.g * 255 ) | 0 ) + ',' + ( ( this.b * 255 ) | 0 ) + ')';\n\n\t}\n\n\toffsetHSL( h, s, l ) {\n\n\t\tthis.getHSL( _hslA );\n\n\t\t_hslA.h += h; _hslA.s += s; _hslA.l += l;\n\n\t\tthis.setHSL( _hslA.h, _hslA.s, _hslA.l );\n\n\t\treturn this;\n\n\t}\n\n\tadd( color ) {\n\n\t\tthis.r += color.r;\n\t\tthis.g += color.g;\n\t\tthis.b += color.b;\n\n\t\treturn this;\n\n\t}\n\n\taddColors( color1, color2 ) {\n\n\t\tthis.r = color1.r + color2.r;\n\t\tthis.g = color1.g + color2.g;\n\t\tthis.b = color1.b + color2.b;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.r += s;\n\t\tthis.g += s;\n\t\tthis.b += s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( color ) {\n\n\t\tthis.r = Math.max( 0, this.r - color.r );\n\t\tthis.g = Math.max( 0, this.g - color.g );\n\t\tthis.b = Math.max( 0, this.b - color.b );\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( color ) {\n\n\t\tthis.r *= color.r;\n\t\tthis.g *= color.g;\n\t\tthis.b *= color.b;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( s ) {\n\n\t\tthis.r *= s;\n\t\tthis.g *= s;\n\t\tthis.b *= s;\n\n\t\treturn this;\n\n\t}\n\n\tlerp( color, alpha ) {\n\n\t\tthis.r += ( color.r - this.r ) * alpha;\n\t\tthis.g += ( color.g - this.g ) * alpha;\n\t\tthis.b += ( color.b - this.b ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpColors( color1, color2, alpha ) {\n\n\t\tthis.r = color1.r + ( color2.r - color1.r ) * alpha;\n\t\tthis.g = color1.g + ( color2.g - color1.g ) * alpha;\n\t\tthis.b = color1.b + ( color2.b - color1.b ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpHSL( color, alpha ) {\n\n\t\tthis.getHSL( _hslA );\n\t\tcolor.getHSL( _hslB );\n\n\t\tconst h = lerp( _hslA.h, _hslB.h, alpha );\n\t\tconst s = lerp( _hslA.s, _hslB.s, alpha );\n\t\tconst l = lerp( _hslA.l, _hslB.l, alpha );\n\n\t\tthis.setHSL( h, s, l );\n\n\t\treturn this;\n\n\t}\n\n\tequals( c ) {\n\n\t\treturn ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.r = array[ offset ];\n\t\tthis.g = array[ offset + 1 ];\n\t\tthis.b = array[ offset + 2 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.r;\n\t\tarray[ offset + 1 ] = this.g;\n\t\tarray[ offset + 2 ] = this.b;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis.r = attribute.getX( index );\n\t\tthis.g = attribute.getY( index );\n\t\tthis.b = attribute.getZ( index );\n\n\t\tif ( attribute.normalized === true ) {\n\n\t\t\t// assuming Uint8Array\n\n\t\t\tthis.r /= 255;\n\t\t\tthis.g /= 255;\n\t\t\tthis.b /= 255;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\treturn this.getHex();\n\n\t}\n\n}\n\nColor.NAMES = _colorKeywords;\n\nColor.prototype.isColor = true;\nColor.prototype.r = 1;\nColor.prototype.g = 1;\nColor.prototype.b = 1;\n\n/**\n * parameters = {\n * color: ,\n * opacity: ,\n * map: new THREE.Texture( ),\n *\n * lightMap: new THREE.Texture( ),\n * lightMapIntensity: \n *\n * aoMap: new THREE.Texture( ),\n * aoMapIntensity: \n *\n * specularMap: new THREE.Texture( ),\n *\n * alphaMap: new THREE.Texture( ),\n *\n * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n * combine: THREE.Multiply,\n * reflectivity: ,\n * refractionRatio: ,\n *\n * depthTest: ,\n * depthWrite: ,\n *\n * wireframe: ,\n * wireframeLinewidth: ,\n * }\n */\n\nclass MeshBasicMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // emissive\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshBasicMaterial.prototype.isMeshBasicMaterial = true;\n\nconst _vector$9 = /*@__PURE__*/ new Vector3();\nconst _vector2$1 = /*@__PURE__*/ new Vector2();\n\nclass BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tif ( Array.isArray( array ) ) {\n\n\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t}\n\n\t\tthis.name = '';\n\n\t\tthis.array = array;\n\t\tthis.itemSize = itemSize;\n\t\tthis.count = array !== undefined ? array.length / itemSize : 0;\n\t\tthis.normalized = normalized === true;\n\n\t\tthis.usage = StaticDrawUsage;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t}\n\n\tonUploadCallback() {}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tsetUsage( value ) {\n\n\t\tthis.usage = value;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\t\tthis.array = new source.array.constructor( source.array );\n\t\tthis.itemSize = source.itemSize;\n\t\tthis.count = source.count;\n\t\tthis.normalized = source.normalized;\n\n\t\tthis.usage = source.usage;\n\n\t\treturn this;\n\n\t}\n\n\tcopyAt( index1, attribute, index2 ) {\n\n\t\tindex1 *= this.itemSize;\n\t\tindex2 *= attribute.itemSize;\n\n\t\tfor ( let i = 0, l = this.itemSize; i < l; i ++ ) {\n\n\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcopyArray( array ) {\n\n\t\tthis.array.set( array );\n\n\t\treturn this;\n\n\t}\n\n\tcopyColorsArray( colors ) {\n\n\t\tconst array = this.array;\n\t\tlet offset = 0;\n\n\t\tfor ( let i = 0, l = colors.length; i < l; i ++ ) {\n\n\t\t\tlet color = colors[ i ];\n\n\t\t\tif ( color === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyColorsArray(): color is undefined', i );\n\t\t\t\tcolor = new Color();\n\n\t\t\t}\n\n\t\t\tarray[ offset ++ ] = color.r;\n\t\t\tarray[ offset ++ ] = color.g;\n\t\t\tarray[ offset ++ ] = color.b;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcopyVector2sArray( vectors ) {\n\n\t\tconst array = this.array;\n\t\tlet offset = 0;\n\n\t\tfor ( let i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\tlet vector = vectors[ i ];\n\n\t\t\tif ( vector === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector2sArray(): vector is undefined', i );\n\t\t\t\tvector = new Vector2();\n\n\t\t\t}\n\n\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\tarray[ offset ++ ] = vector.y;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcopyVector3sArray( vectors ) {\n\n\t\tconst array = this.array;\n\t\tlet offset = 0;\n\n\t\tfor ( let i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\tlet vector = vectors[ i ];\n\n\t\t\tif ( vector === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector3sArray(): vector is undefined', i );\n\t\t\t\tvector = new Vector3();\n\n\t\t\t}\n\n\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\tarray[ offset ++ ] = vector.z;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcopyVector4sArray( vectors ) {\n\n\t\tconst array = this.array;\n\t\tlet offset = 0;\n\n\t\tfor ( let i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\tlet vector = vectors[ i ];\n\n\t\t\tif ( vector === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector4sArray(): vector is undefined', i );\n\t\t\t\tvector = new Vector4();\n\n\t\t\t}\n\n\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\tarray[ offset ++ ] = vector.z;\n\t\t\tarray[ offset ++ ] = vector.w;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tif ( this.itemSize === 2 ) {\n\n\t\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t\t_vector2$1.fromBufferAttribute( this, i );\n\t\t\t\t_vector2$1.applyMatrix3( m );\n\n\t\t\t\tthis.setXY( i, _vector2$1.x, _vector2$1.y );\n\n\t\t\t}\n\n\t\t} else if ( this.itemSize === 3 ) {\n\n\t\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t\t_vector$9.fromBufferAttribute( this, i );\n\t\t\t\t_vector$9.applyMatrix3( m );\n\n\t\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.x = this.getX( i );\n\t\t\t_vector$9.y = this.getY( i );\n\t\t\t_vector$9.z = this.getZ( i );\n\n\t\t\t_vector$9.applyMatrix4( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyNormalMatrix( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.x = this.getX( i );\n\t\t\t_vector$9.y = this.getY( i );\n\t\t\t_vector$9.z = this.getZ( i );\n\n\t\t\t_vector$9.applyNormalMatrix( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttransformDirection( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.x = this.getX( i );\n\t\t\t_vector$9.y = this.getY( i );\n\t\t\t_vector$9.z = this.getZ( i );\n\n\t\t\t_vector$9.transformDirection( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tset( value, offset = 0 ) {\n\n\t\tthis.array.set( value, offset );\n\n\t\treturn this;\n\n\t}\n\n\tgetX( index ) {\n\n\t\treturn this.array[ index * this.itemSize ];\n\n\t}\n\n\tsetX( index, x ) {\n\n\t\tthis.array[ index * this.itemSize ] = x;\n\n\t\treturn this;\n\n\t}\n\n\tgetY( index ) {\n\n\t\treturn this.array[ index * this.itemSize + 1 ];\n\n\t}\n\n\tsetY( index, y ) {\n\n\t\tthis.array[ index * this.itemSize + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tgetZ( index ) {\n\n\t\treturn this.array[ index * this.itemSize + 2 ];\n\n\t}\n\n\tsetZ( index, z ) {\n\n\t\tthis.array[ index * this.itemSize + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tgetW( index ) {\n\n\t\treturn this.array[ index * this.itemSize + 3 ];\n\n\t}\n\n\tsetW( index, w ) {\n\n\t\tthis.array[ index * this.itemSize + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetXY( index, x, y ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZ( index, x, y, z ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\t\tthis.array[ index + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZW( index, x, y, z, w ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\t\tthis.array[ index + 2 ] = z;\n\t\tthis.array[ index + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tonUpload( callback ) {\n\n\t\tthis.onUploadCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.array, this.itemSize ).copy( this );\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\titemSize: this.itemSize,\n\t\t\ttype: this.array.constructor.name,\n\t\t\tarray: Array.prototype.slice.call( this.array ),\n\t\t\tnormalized: this.normalized\n\t\t};\n\n\t\tif ( this.name !== '' ) data.name = this.name;\n\t\tif ( this.usage !== StaticDrawUsage ) data.usage = this.usage;\n\t\tif ( this.updateRange.offset !== 0 || this.updateRange.count !== - 1 ) data.updateRange = this.updateRange;\n\n\t\treturn data;\n\n\t}\n\n}\n\nBufferAttribute.prototype.isBufferAttribute = true;\n\n//\n\nclass Int8BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int8Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint8BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint8Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint8ClampedBufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint8ClampedArray( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Int16BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int16Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint16BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint16Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Int32BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint32BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Float16BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint16Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nFloat16BufferAttribute.prototype.isFloat16BufferAttribute = true;\n\nclass Float32BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Float32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Float64BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Float64Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nlet _id = 0;\n\nconst _m1 = /*@__PURE__*/ new Matrix4();\nconst _obj = /*@__PURE__*/ new Object3D();\nconst _offset = /*@__PURE__*/ new Vector3();\nconst _box$1 = /*@__PURE__*/ new Box3();\nconst _boxMorphTargets = /*@__PURE__*/ new Box3();\nconst _vector$8 = /*@__PURE__*/ new Vector3();\n\nclass BufferGeometry extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tObject.defineProperty( this, 'id', { value: _id ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'BufferGeometry';\n\n\t\tthis.index = null;\n\t\tthis.attributes = {};\n\n\t\tthis.morphAttributes = {};\n\t\tthis.morphTargetsRelative = false;\n\n\t\tthis.groups = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\tthis.drawRange = { start: 0, count: Infinity };\n\n\t\tthis.userData = {};\n\n\t}\n\n\tgetIndex() {\n\n\t\treturn this.index;\n\n\t}\n\n\tsetIndex( index ) {\n\n\t\tif ( Array.isArray( index ) ) {\n\n\t\t\tthis.index = new ( arrayMax( index ) > 65535 ? Uint32BufferAttribute : Uint16BufferAttribute )( index, 1 );\n\n\t\t} else {\n\n\t\t\tthis.index = index;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetAttribute( name ) {\n\n\t\treturn this.attributes[ name ];\n\n\t}\n\n\tsetAttribute( name, attribute ) {\n\n\t\tthis.attributes[ name ] = attribute;\n\n\t\treturn this;\n\n\t}\n\n\tdeleteAttribute( name ) {\n\n\t\tdelete this.attributes[ name ];\n\n\t\treturn this;\n\n\t}\n\n\thasAttribute( name ) {\n\n\t\treturn this.attributes[ name ] !== undefined;\n\n\t}\n\n\taddGroup( start, count, materialIndex = 0 ) {\n\n\t\tthis.groups.push( {\n\n\t\t\tstart: start,\n\t\t\tcount: count,\n\t\t\tmaterialIndex: materialIndex\n\n\t\t} );\n\n\t}\n\n\tclearGroups() {\n\n\t\tthis.groups = [];\n\n\t}\n\n\tsetDrawRange( start, count ) {\n\n\t\tthis.drawRange.start = start;\n\t\tthis.drawRange.count = count;\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tconst position = this.attributes.position;\n\n\t\tif ( position !== undefined ) {\n\n\t\t\tposition.applyMatrix4( matrix );\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t}\n\n\t\tconst normal = this.attributes.normal;\n\n\t\tif ( normal !== undefined ) {\n\n\t\t\tconst normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\tnormal.applyNormalMatrix( normalMatrix );\n\n\t\t\tnormal.needsUpdate = true;\n\n\t\t}\n\n\t\tconst tangent = this.attributes.tangent;\n\n\t\tif ( tangent !== undefined ) {\n\n\t\t\ttangent.transformDirection( matrix );\n\n\t\t\ttangent.needsUpdate = true;\n\n\t\t}\n\n\t\tif ( this.boundingBox !== null ) {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t}\n\n\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\tthis.computeBoundingSphere();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyQuaternion( q ) {\n\n\t\t_m1.makeRotationFromQuaternion( q );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateX( angle ) {\n\n\t\t// rotate geometry around world x-axis\n\n\t\t_m1.makeRotationX( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateY( angle ) {\n\n\t\t// rotate geometry around world y-axis\n\n\t\t_m1.makeRotationY( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateZ( angle ) {\n\n\t\t// rotate geometry around world z-axis\n\n\t\t_m1.makeRotationZ( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( x, y, z ) {\n\n\t\t// translate geometry\n\n\t\t_m1.makeTranslation( x, y, z );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\tscale( x, y, z ) {\n\n\t\t// scale geometry\n\n\t\t_m1.makeScale( x, y, z );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\tlookAt( vector ) {\n\n\t\t_obj.lookAt( vector );\n\n\t\t_obj.updateMatrix();\n\n\t\tthis.applyMatrix4( _obj.matrix );\n\n\t\treturn this;\n\n\t}\n\n\tcenter() {\n\n\t\tthis.computeBoundingBox();\n\n\t\tthis.boundingBox.getCenter( _offset ).negate();\n\n\t\tthis.translate( _offset.x, _offset.y, _offset.z );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tconst position = [];\n\n\t\tfor ( let i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\tconst point = points[ i ];\n\t\t\tposition.push( point.x, point.y, point.z || 0 );\n\n\t\t}\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( position, 3 ) );\n\n\t\treturn this;\n\n\t}\n\n\tcomputeBoundingBox() {\n\n\t\tif ( this.boundingBox === null ) {\n\n\t\t\tthis.boundingBox = new Box3();\n\n\t\t}\n\n\t\tconst position = this.attributes.position;\n\t\tconst morphAttributesPosition = this.morphAttributes.position;\n\n\t\tif ( position && position.isGLBufferAttribute ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set \"mesh.frustumCulled\" to \"false\".', this );\n\n\t\t\tthis.boundingBox.set(\n\t\t\t\tnew Vector3( - Infinity, - Infinity, - Infinity ),\n\t\t\t\tnew Vector3( + Infinity, + Infinity, + Infinity )\n\t\t\t);\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( position !== undefined ) {\n\n\t\t\tthis.boundingBox.setFromBufferAttribute( position );\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\t_box$1.setFromBufferAttribute( morphAttribute );\n\n\t\t\t\t\tif ( this.morphTargetsRelative ) {\n\n\t\t\t\t\t\t_vector$8.addVectors( this.boundingBox.min, _box$1.min );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _vector$8 );\n\n\t\t\t\t\t\t_vector$8.addVectors( this.boundingBox.max, _box$1.max );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _vector$8 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _box$1.min );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _box$1.max );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tthis.boundingBox.makeEmpty();\n\n\t\t}\n\n\t\tif ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t}\n\n\t}\n\n\tcomputeBoundingSphere() {\n\n\t\tif ( this.boundingSphere === null ) {\n\n\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t}\n\n\t\tconst position = this.attributes.position;\n\t\tconst morphAttributesPosition = this.morphAttributes.position;\n\n\t\tif ( position && position.isGLBufferAttribute ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set \"mesh.frustumCulled\" to \"false\".', this );\n\n\t\t\tthis.boundingSphere.set( new Vector3(), Infinity );\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( position ) {\n\n\t\t\t// first, find the center of the bounding sphere\n\n\t\t\tconst center = this.boundingSphere.center;\n\n\t\t\t_box$1.setFromBufferAttribute( position );\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\t_boxMorphTargets.setFromBufferAttribute( morphAttribute );\n\n\t\t\t\t\tif ( this.morphTargetsRelative ) {\n\n\t\t\t\t\t\t_vector$8.addVectors( _box$1.min, _boxMorphTargets.min );\n\t\t\t\t\t\t_box$1.expandByPoint( _vector$8 );\n\n\t\t\t\t\t\t_vector$8.addVectors( _box$1.max, _boxMorphTargets.max );\n\t\t\t\t\t\t_box$1.expandByPoint( _vector$8 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_box$1.expandByPoint( _boxMorphTargets.min );\n\t\t\t\t\t\t_box$1.expandByPoint( _boxMorphTargets.max );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_box$1.getCenter( center );\n\n\t\t\t// second, try to find a boundingSphere with a radius smaller than the\n\t\t\t// boundingSphere of the boundingBox: sqrt(3) smaller in the best case\n\n\t\t\tlet maxRadiusSq = 0;\n\n\t\t\tfor ( let i = 0, il = position.count; i < il; i ++ ) {\n\n\t\t\t\t_vector$8.fromBufferAttribute( position, i );\n\n\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$8 ) );\n\n\t\t\t}\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\tconst morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t\t\t\tfor ( let j = 0, jl = morphAttribute.count; j < jl; j ++ ) {\n\n\t\t\t\t\t\t_vector$8.fromBufferAttribute( morphAttribute, j );\n\n\t\t\t\t\t\tif ( morphTargetsRelative ) {\n\n\t\t\t\t\t\t\t_offset.fromBufferAttribute( position, j );\n\t\t\t\t\t\t\t_vector$8.add( _offset );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$8 ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.boundingSphere.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\tif ( isNaN( this.boundingSphere.radius ) ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcomputeTangents() {\n\n\t\tconst index = this.index;\n\t\tconst attributes = this.attributes;\n\n\t\t// based on http://www.terathon.com/code/tangent.html\n\t\t// (per vertex tangents)\n\n\t\tif ( index === null ||\n\t\t\t attributes.position === undefined ||\n\t\t\t attributes.normal === undefined ||\n\t\t\t attributes.uv === undefined ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst indices = index.array;\n\t\tconst positions = attributes.position.array;\n\t\tconst normals = attributes.normal.array;\n\t\tconst uvs = attributes.uv.array;\n\n\t\tconst nVertices = positions.length / 3;\n\n\t\tif ( attributes.tangent === undefined ) {\n\n\t\t\tthis.setAttribute( 'tangent', new BufferAttribute( new Float32Array( 4 * nVertices ), 4 ) );\n\n\t\t}\n\n\t\tconst tangents = attributes.tangent.array;\n\n\t\tconst tan1 = [], tan2 = [];\n\n\t\tfor ( let i = 0; i < nVertices; i ++ ) {\n\n\t\t\ttan1[ i ] = new Vector3();\n\t\t\ttan2[ i ] = new Vector3();\n\n\t\t}\n\n\t\tconst vA = new Vector3(),\n\t\t\tvB = new Vector3(),\n\t\t\tvC = new Vector3(),\n\n\t\t\tuvA = new Vector2(),\n\t\t\tuvB = new Vector2(),\n\t\t\tuvC = new Vector2(),\n\n\t\t\tsdir = new Vector3(),\n\t\t\ttdir = new Vector3();\n\n\t\tfunction handleTriangle( a, b, c ) {\n\n\t\t\tvA.fromArray( positions, a * 3 );\n\t\t\tvB.fromArray( positions, b * 3 );\n\t\t\tvC.fromArray( positions, c * 3 );\n\n\t\t\tuvA.fromArray( uvs, a * 2 );\n\t\t\tuvB.fromArray( uvs, b * 2 );\n\t\t\tuvC.fromArray( uvs, c * 2 );\n\n\t\t\tvB.sub( vA );\n\t\t\tvC.sub( vA );\n\n\t\t\tuvB.sub( uvA );\n\t\t\tuvC.sub( uvA );\n\n\t\t\tconst r = 1.0 / ( uvB.x * uvC.y - uvC.x * uvB.y );\n\n\t\t\t// silently ignore degenerate uv triangles having coincident or colinear vertices\n\n\t\t\tif ( ! isFinite( r ) ) return;\n\n\t\t\tsdir.copy( vB ).multiplyScalar( uvC.y ).addScaledVector( vC, - uvB.y ).multiplyScalar( r );\n\t\t\ttdir.copy( vC ).multiplyScalar( uvB.x ).addScaledVector( vB, - uvC.x ).multiplyScalar( r );\n\n\t\t\ttan1[ a ].add( sdir );\n\t\t\ttan1[ b ].add( sdir );\n\t\t\ttan1[ c ].add( sdir );\n\n\t\t\ttan2[ a ].add( tdir );\n\t\t\ttan2[ b ].add( tdir );\n\t\t\ttan2[ c ].add( tdir );\n\n\t\t}\n\n\t\tlet groups = this.groups;\n\n\t\tif ( groups.length === 0 ) {\n\n\t\t\tgroups = [ {\n\t\t\t\tstart: 0,\n\t\t\t\tcount: indices.length\n\t\t\t} ];\n\n\t\t}\n\n\t\tfor ( let i = 0, il = groups.length; i < il; ++ i ) {\n\n\t\t\tconst group = groups[ i ];\n\n\t\t\tconst start = group.start;\n\t\t\tconst count = group.count;\n\n\t\t\tfor ( let j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\thandleTriangle(\n\t\t\t\t\tindices[ j + 0 ],\n\t\t\t\t\tindices[ j + 1 ],\n\t\t\t\t\tindices[ j + 2 ]\n\t\t\t\t);\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst tmp = new Vector3(), tmp2 = new Vector3();\n\t\tconst n = new Vector3(), n2 = new Vector3();\n\n\t\tfunction handleVertex( v ) {\n\n\t\t\tn.fromArray( normals, v * 3 );\n\t\t\tn2.copy( n );\n\n\t\t\tconst t = tan1[ v ];\n\n\t\t\t// Gram-Schmidt orthogonalize\n\n\t\t\ttmp.copy( t );\n\t\t\ttmp.sub( n.multiplyScalar( n.dot( t ) ) ).normalize();\n\n\t\t\t// Calculate handedness\n\n\t\t\ttmp2.crossVectors( n2, t );\n\t\t\tconst test = tmp2.dot( tan2[ v ] );\n\t\t\tconst w = ( test < 0.0 ) ? - 1.0 : 1.0;\n\n\t\t\ttangents[ v * 4 ] = tmp.x;\n\t\t\ttangents[ v * 4 + 1 ] = tmp.y;\n\t\t\ttangents[ v * 4 + 2 ] = tmp.z;\n\t\t\ttangents[ v * 4 + 3 ] = w;\n\n\t\t}\n\n\t\tfor ( let i = 0, il = groups.length; i < il; ++ i ) {\n\n\t\t\tconst group = groups[ i ];\n\n\t\t\tconst start = group.start;\n\t\t\tconst count = group.count;\n\n\t\t\tfor ( let j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\thandleVertex( indices[ j + 0 ] );\n\t\t\t\thandleVertex( indices[ j + 1 ] );\n\t\t\t\thandleVertex( indices[ j + 2 ] );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcomputeVertexNormals() {\n\n\t\tconst index = this.index;\n\t\tconst positionAttribute = this.getAttribute( 'position' );\n\n\t\tif ( positionAttribute !== undefined ) {\n\n\t\t\tlet normalAttribute = this.getAttribute( 'normal' );\n\n\t\t\tif ( normalAttribute === undefined ) {\n\n\t\t\t\tnormalAttribute = new BufferAttribute( new Float32Array( positionAttribute.count * 3 ), 3 );\n\t\t\t\tthis.setAttribute( 'normal', normalAttribute );\n\n\t\t\t} else {\n\n\t\t\t\t// reset existing normals to zero\n\n\t\t\t\tfor ( let i = 0, il = normalAttribute.count; i < il; i ++ ) {\n\n\t\t\t\t\tnormalAttribute.setXYZ( i, 0, 0, 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst pA = new Vector3(), pB = new Vector3(), pC = new Vector3();\n\t\t\tconst nA = new Vector3(), nB = new Vector3(), nC = new Vector3();\n\t\t\tconst cb = new Vector3(), ab = new Vector3();\n\n\t\t\t// indexed elements\n\n\t\t\tif ( index ) {\n\n\t\t\t\tfor ( let i = 0, il = index.count; i < il; i += 3 ) {\n\n\t\t\t\t\tconst vA = index.getX( i + 0 );\n\t\t\t\t\tconst vB = index.getX( i + 1 );\n\t\t\t\t\tconst vC = index.getX( i + 2 );\n\n\t\t\t\t\tpA.fromBufferAttribute( positionAttribute, vA );\n\t\t\t\t\tpB.fromBufferAttribute( positionAttribute, vB );\n\t\t\t\t\tpC.fromBufferAttribute( positionAttribute, vC );\n\n\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tnA.fromBufferAttribute( normalAttribute, vA );\n\t\t\t\t\tnB.fromBufferAttribute( normalAttribute, vB );\n\t\t\t\t\tnC.fromBufferAttribute( normalAttribute, vC );\n\n\t\t\t\t\tnA.add( cb );\n\t\t\t\t\tnB.add( cb );\n\t\t\t\t\tnC.add( cb );\n\n\t\t\t\t\tnormalAttribute.setXYZ( vA, nA.x, nA.y, nA.z );\n\t\t\t\t\tnormalAttribute.setXYZ( vB, nB.x, nB.y, nB.z );\n\t\t\t\t\tnormalAttribute.setXYZ( vC, nC.x, nC.y, nC.z );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed elements (unconnected triangle soup)\n\n\t\t\t\tfor ( let i = 0, il = positionAttribute.count; i < il; i += 3 ) {\n\n\t\t\t\t\tpA.fromBufferAttribute( positionAttribute, i + 0 );\n\t\t\t\t\tpB.fromBufferAttribute( positionAttribute, i + 1 );\n\t\t\t\t\tpC.fromBufferAttribute( positionAttribute, i + 2 );\n\n\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tnormalAttribute.setXYZ( i + 0, cb.x, cb.y, cb.z );\n\t\t\t\t\tnormalAttribute.setXYZ( i + 1, cb.x, cb.y, cb.z );\n\t\t\t\t\tnormalAttribute.setXYZ( i + 2, cb.x, cb.y, cb.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.normalizeNormals();\n\n\t\t\tnormalAttribute.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n\tmerge( geometry, offset ) {\n\n\t\tif ( ! ( geometry && geometry.isBufferGeometry ) ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.', geometry );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( offset === undefined ) {\n\n\t\t\toffset = 0;\n\n\t\t\tconsole.warn(\n\t\t\t\t'THREE.BufferGeometry.merge(): Overwriting original geometry, starting at offset=0. '\n\t\t\t\t+ 'Use BufferGeometryUtils.mergeBufferGeometries() for lossless merge.'\n\t\t\t);\n\n\t\t}\n\n\t\tconst attributes = this.attributes;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tif ( geometry.attributes[ key ] === undefined ) continue;\n\n\t\t\tconst attribute1 = attributes[ key ];\n\t\t\tconst attributeArray1 = attribute1.array;\n\n\t\t\tconst attribute2 = geometry.attributes[ key ];\n\t\t\tconst attributeArray2 = attribute2.array;\n\n\t\t\tconst attributeOffset = attribute2.itemSize * offset;\n\t\t\tconst length = Math.min( attributeArray2.length, attributeArray1.length - attributeOffset );\n\n\t\t\tfor ( let i = 0, j = attributeOffset; i < length; i ++, j ++ ) {\n\n\t\t\t\tattributeArray1[ j ] = attributeArray2[ i ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tnormalizeNormals() {\n\n\t\tconst normals = this.attributes.normal;\n\n\t\tfor ( let i = 0, il = normals.count; i < il; i ++ ) {\n\n\t\t\t_vector$8.fromBufferAttribute( normals, i );\n\n\t\t\t_vector$8.normalize();\n\n\t\t\tnormals.setXYZ( i, _vector$8.x, _vector$8.y, _vector$8.z );\n\n\t\t}\n\n\t}\n\n\ttoNonIndexed() {\n\n\t\tfunction convertBufferAttribute( attribute, indices ) {\n\n\t\t\tconst array = attribute.array;\n\t\t\tconst itemSize = attribute.itemSize;\n\t\t\tconst normalized = attribute.normalized;\n\n\t\t\tconst array2 = new array.constructor( indices.length * itemSize );\n\n\t\t\tlet index = 0, index2 = 0;\n\n\t\t\tfor ( let i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\tindex = indices[ i ] * attribute.data.stride + attribute.offset;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tindex = indices[ i ] * itemSize;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let j = 0; j < itemSize; j ++ ) {\n\n\t\t\t\t\tarray2[ index2 ++ ] = array[ index ++ ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn new BufferAttribute( array2, itemSize, normalized );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.index === null ) {\n\n\t\t\tconsole.warn( 'THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed.' );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst geometry2 = new BufferGeometry();\n\n\t\tconst indices = this.index.array;\n\t\tconst attributes = this.attributes;\n\n\t\t// attributes\n\n\t\tfor ( const name in attributes ) {\n\n\t\t\tconst attribute = attributes[ name ];\n\n\t\t\tconst newAttribute = convertBufferAttribute( attribute, indices );\n\n\t\t\tgeometry2.setAttribute( name, newAttribute );\n\n\t\t}\n\n\t\t// morph attributes\n\n\t\tconst morphAttributes = this.morphAttributes;\n\n\t\tfor ( const name in morphAttributes ) {\n\n\t\t\tconst morphArray = [];\n\t\t\tconst morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes\n\n\t\t\tfor ( let i = 0, il = morphAttribute.length; i < il; i ++ ) {\n\n\t\t\t\tconst attribute = morphAttribute[ i ];\n\n\t\t\t\tconst newAttribute = convertBufferAttribute( attribute, indices );\n\n\t\t\t\tmorphArray.push( newAttribute );\n\n\t\t\t}\n\n\t\t\tgeometry2.morphAttributes[ name ] = morphArray;\n\n\t\t}\n\n\t\tgeometry2.morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t// groups\n\n\t\tconst groups = this.groups;\n\n\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tconst group = groups[ i ];\n\t\t\tgeometry2.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\treturn geometry2;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'BufferGeometry',\n\t\t\t\tgenerator: 'BufferGeometry.toJSON'\n\t\t\t}\n\t\t};\n\n\t\t// standard BufferGeometry serialization\n\n\t\tdata.uuid = this.uuid;\n\t\tdata.type = this.type;\n\t\tif ( this.name !== '' ) data.name = this.name;\n\t\tif ( Object.keys( this.userData ).length > 0 ) data.userData = this.userData;\n\n\t\tif ( this.parameters !== undefined ) {\n\n\t\t\tconst parameters = this.parameters;\n\n\t\t\tfor ( const key in parameters ) {\n\n\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\t// for simplicity the code assumes attributes are not shared across geometries, see #15811\n\n\t\tdata.data = { attributes: {} };\n\n\t\tconst index = this.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tdata.data.index = {\n\t\t\t\ttype: index.array.constructor.name,\n\t\t\t\tarray: Array.prototype.slice.call( index.array )\n\t\t\t};\n\n\t\t}\n\n\t\tconst attributes = this.attributes;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tconst attribute = attributes[ key ];\n\n\t\t\tdata.data.attributes[ key ] = attribute.toJSON( data.data );\n\n\t\t}\n\n\t\tconst morphAttributes = {};\n\t\tlet hasMorphAttributes = false;\n\n\t\tfor ( const key in this.morphAttributes ) {\n\n\t\t\tconst attributeArray = this.morphAttributes[ key ];\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0, il = attributeArray.length; i < il; i ++ ) {\n\n\t\t\t\tconst attribute = attributeArray[ i ];\n\n\t\t\t\tarray.push( attribute.toJSON( data.data ) );\n\n\t\t\t}\n\n\t\t\tif ( array.length > 0 ) {\n\n\t\t\t\tmorphAttributes[ key ] = array;\n\n\t\t\t\thasMorphAttributes = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( hasMorphAttributes ) {\n\n\t\t\tdata.data.morphAttributes = morphAttributes;\n\t\t\tdata.data.morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t}\n\n\t\tconst groups = this.groups;\n\n\t\tif ( groups.length > 0 ) {\n\n\t\t\tdata.data.groups = JSON.parse( JSON.stringify( groups ) );\n\n\t\t}\n\n\t\tconst boundingSphere = this.boundingSphere;\n\n\t\tif ( boundingSphere !== null ) {\n\n\t\t\tdata.data.boundingSphere = {\n\t\t\t\tcenter: boundingSphere.center.toArray(),\n\t\t\t\tradius: boundingSphere.radius\n\t\t\t};\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tclone() {\n\n\t\t return new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\t// reset\n\n\t\tthis.index = null;\n\t\tthis.attributes = {};\n\t\tthis.morphAttributes = {};\n\t\tthis.groups = [];\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// used for storing cloned, shared data\n\n\t\tconst data = {};\n\n\t\t// name\n\n\t\tthis.name = source.name;\n\n\t\t// index\n\n\t\tconst index = source.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tthis.setIndex( index.clone( data ) );\n\n\t\t}\n\n\t\t// attributes\n\n\t\tconst attributes = source.attributes;\n\n\t\tfor ( const name in attributes ) {\n\n\t\t\tconst attribute = attributes[ name ];\n\t\t\tthis.setAttribute( name, attribute.clone( data ) );\n\n\t\t}\n\n\t\t// morph attributes\n\n\t\tconst morphAttributes = source.morphAttributes;\n\n\t\tfor ( const name in morphAttributes ) {\n\n\t\t\tconst array = [];\n\t\t\tconst morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes\n\n\t\t\tfor ( let i = 0, l = morphAttribute.length; i < l; i ++ ) {\n\n\t\t\t\tarray.push( morphAttribute[ i ].clone( data ) );\n\n\t\t\t}\n\n\t\t\tthis.morphAttributes[ name ] = array;\n\n\t\t}\n\n\t\tthis.morphTargetsRelative = source.morphTargetsRelative;\n\n\t\t// groups\n\n\t\tconst groups = source.groups;\n\n\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tconst group = groups[ i ];\n\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\t// bounding box\n\n\t\tconst boundingBox = source.boundingBox;\n\n\t\tif ( boundingBox !== null ) {\n\n\t\t\tthis.boundingBox = boundingBox.clone();\n\n\t\t}\n\n\t\t// bounding sphere\n\n\t\tconst boundingSphere = source.boundingSphere;\n\n\t\tif ( boundingSphere !== null ) {\n\n\t\t\tthis.boundingSphere = boundingSphere.clone();\n\n\t\t}\n\n\t\t// draw range\n\n\t\tthis.drawRange.start = source.drawRange.start;\n\t\tthis.drawRange.count = source.drawRange.count;\n\n\t\t// user data\n\n\t\tthis.userData = source.userData;\n\n\t\t// geometry generator parameters\n\n\t\tif ( source.parameters !== undefined ) this.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n}\n\nBufferGeometry.prototype.isBufferGeometry = true;\n\nconst _inverseMatrix$2 = /*@__PURE__*/ new Matrix4();\nconst _ray$2 = /*@__PURE__*/ new Ray();\nconst _sphere$3 = /*@__PURE__*/ new Sphere();\n\nconst _vA$1 = /*@__PURE__*/ new Vector3();\nconst _vB$1 = /*@__PURE__*/ new Vector3();\nconst _vC$1 = /*@__PURE__*/ new Vector3();\n\nconst _tempA = /*@__PURE__*/ new Vector3();\nconst _tempB = /*@__PURE__*/ new Vector3();\nconst _tempC = /*@__PURE__*/ new Vector3();\n\nconst _morphA = /*@__PURE__*/ new Vector3();\nconst _morphB = /*@__PURE__*/ new Vector3();\nconst _morphC = /*@__PURE__*/ new Vector3();\n\nconst _uvA$1 = /*@__PURE__*/ new Vector2();\nconst _uvB$1 = /*@__PURE__*/ new Vector2();\nconst _uvC$1 = /*@__PURE__*/ new Vector2();\n\nconst _intersectionPoint = /*@__PURE__*/ new Vector3();\nconst _intersectionPointWorld = /*@__PURE__*/ new Vector3();\n\nclass Mesh extends Object3D {\n\n\tconstructor( geometry = new BufferGeometry(), material = new MeshBasicMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Mesh';\n\n\t\tthis.geometry = geometry;\n\t\tthis.material = material;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tif ( source.morphTargetInfluences !== undefined ) {\n\n\t\t\tthis.morphTargetInfluences = source.morphTargetInfluences.slice();\n\n\t\t}\n\n\t\tif ( source.morphTargetDictionary !== undefined ) {\n\n\t\t\tthis.morphTargetDictionary = Object.assign( {}, source.morphTargetDictionary );\n\n\t\t}\n\n\t\tthis.material = source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst morphAttributes = geometry.morphAttributes;\n\t\t\tconst keys = Object.keys( morphAttributes );\n\n\t\t\tif ( keys.length > 0 ) {\n\n\t\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst morphTargets = geometry.morphTargets;\n\n\t\t\tif ( morphTargets !== undefined && morphTargets.length > 0 ) {\n\n\t\t\t\tconsole.error( 'THREE.Mesh.updateMorphTargets() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst material = this.material;\n\t\tconst matrixWorld = this.matrixWorld;\n\n\t\tif ( material === undefined ) return;\n\n\t\t// Checking boundingSphere distance to ray\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere$3.copy( geometry.boundingSphere );\n\t\t_sphere$3.applyMatrix4( matrixWorld );\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere$3 ) === false ) return;\n\n\t\t//\n\n\t\t_inverseMatrix$2.copy( matrixWorld ).invert();\n\t\t_ray$2.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$2 );\n\n\t\t// Check boundingBox before continuing\n\n\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\tif ( _ray$2.intersectsBox( geometry.boundingBox ) === false ) return;\n\n\t\t}\n\n\t\tlet intersection;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst index = geometry.index;\n\t\t\tconst position = geometry.attributes.position;\n\t\t\tconst morphPosition = geometry.morphAttributes.position;\n\t\t\tconst morphTargetsRelative = geometry.morphTargetsRelative;\n\t\t\tconst uv = geometry.attributes.uv;\n\t\t\tconst uv2 = geometry.attributes.uv2;\n\t\t\tconst groups = geometry.groups;\n\t\t\tconst drawRange = geometry.drawRange;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\t// indexed buffer geometry\n\n\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\tfor ( let i = 0, il = groups.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\tconst start = Math.max( group.start, drawRange.start );\n\t\t\t\t\t\tconst end = Math.min( index.count, Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ) );\n\n\t\t\t\t\t\tfor ( let j = start, jl = end; j < jl; j += 3 ) {\n\n\t\t\t\t\t\t\tconst a = index.getX( j );\n\t\t\t\t\t\t\tconst b = index.getX( j + 1 );\n\t\t\t\t\t\t\tconst c = index.getX( j + 2 );\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, groupMaterial, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( j / 3 ); // triangle number in indexed buffer semantics\n\t\t\t\t\t\t\t\tintersection.face.materialIndex = group.materialIndex;\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\t\tfor ( let i = start, il = end; i < il; i += 3 ) {\n\n\t\t\t\t\t\tconst a = index.getX( i );\n\t\t\t\t\t\tconst b = index.getX( i + 1 );\n\t\t\t\t\t\tconst c = index.getX( i + 2 );\n\n\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, material, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in indexed buffer semantics\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( position !== undefined ) {\n\n\t\t\t\t// non-indexed buffer geometry\n\n\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\tfor ( let i = 0, il = groups.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\tconst start = Math.max( group.start, drawRange.start );\n\t\t\t\t\t\tconst end = Math.min( position.count, Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ) );\n\n\t\t\t\t\t\tfor ( let j = start, jl = end; j < jl; j += 3 ) {\n\n\t\t\t\t\t\t\tconst a = j;\n\t\t\t\t\t\t\tconst b = j + 1;\n\t\t\t\t\t\t\tconst c = j + 2;\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, groupMaterial, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( j / 3 ); // triangle number in non-indexed buffer semantics\n\t\t\t\t\t\t\t\tintersection.face.materialIndex = group.materialIndex;\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\t\tconst end = Math.min( position.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\t\tfor ( let i = start, il = end; i < il; i += 3 ) {\n\n\t\t\t\t\t\tconst a = i;\n\t\t\t\t\t\tconst b = i + 1;\n\t\t\t\t\t\tconst c = i + 2;\n\n\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, material, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in non-indexed buffer semantics\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\tconsole.error( 'THREE.Mesh.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t}\n\n\t}\n\n}\n\nMesh.prototype.isMesh = true;\n\nfunction checkIntersection( object, material, raycaster, ray, pA, pB, pC, point ) {\n\n\tlet intersect;\n\n\tif ( material.side === BackSide ) {\n\n\t\tintersect = ray.intersectTriangle( pC, pB, pA, true, point );\n\n\t} else {\n\n\t\tintersect = ray.intersectTriangle( pA, pB, pC, material.side !== DoubleSide, point );\n\n\t}\n\n\tif ( intersect === null ) return null;\n\n\t_intersectionPointWorld.copy( point );\n\t_intersectionPointWorld.applyMatrix4( object.matrixWorld );\n\n\tconst distance = raycaster.ray.origin.distanceTo( _intersectionPointWorld );\n\n\tif ( distance < raycaster.near || distance > raycaster.far ) return null;\n\n\treturn {\n\t\tdistance: distance,\n\t\tpoint: _intersectionPointWorld.clone(),\n\t\tobject: object\n\t};\n\n}\n\nfunction checkBufferGeometryIntersection( object, material, raycaster, ray, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c ) {\n\n\t_vA$1.fromBufferAttribute( position, a );\n\t_vB$1.fromBufferAttribute( position, b );\n\t_vC$1.fromBufferAttribute( position, c );\n\n\tconst morphInfluences = object.morphTargetInfluences;\n\n\tif ( morphPosition && morphInfluences ) {\n\n\t\t_morphA.set( 0, 0, 0 );\n\t\t_morphB.set( 0, 0, 0 );\n\t\t_morphC.set( 0, 0, 0 );\n\n\t\tfor ( let i = 0, il = morphPosition.length; i < il; i ++ ) {\n\n\t\t\tconst influence = morphInfluences[ i ];\n\t\t\tconst morphAttribute = morphPosition[ i ];\n\n\t\t\tif ( influence === 0 ) continue;\n\n\t\t\t_tempA.fromBufferAttribute( morphAttribute, a );\n\t\t\t_tempB.fromBufferAttribute( morphAttribute, b );\n\t\t\t_tempC.fromBufferAttribute( morphAttribute, c );\n\n\t\t\tif ( morphTargetsRelative ) {\n\n\t\t\t\t_morphA.addScaledVector( _tempA, influence );\n\t\t\t\t_morphB.addScaledVector( _tempB, influence );\n\t\t\t\t_morphC.addScaledVector( _tempC, influence );\n\n\t\t\t} else {\n\n\t\t\t\t_morphA.addScaledVector( _tempA.sub( _vA$1 ), influence );\n\t\t\t\t_morphB.addScaledVector( _tempB.sub( _vB$1 ), influence );\n\t\t\t\t_morphC.addScaledVector( _tempC.sub( _vC$1 ), influence );\n\n\t\t\t}\n\n\t\t}\n\n\t\t_vA$1.add( _morphA );\n\t\t_vB$1.add( _morphB );\n\t\t_vC$1.add( _morphC );\n\n\t}\n\n\tif ( object.isSkinnedMesh ) {\n\n\t\tobject.boneTransform( a, _vA$1 );\n\t\tobject.boneTransform( b, _vB$1 );\n\t\tobject.boneTransform( c, _vC$1 );\n\n\t}\n\n\tconst intersection = checkIntersection( object, material, raycaster, ray, _vA$1, _vB$1, _vC$1, _intersectionPoint );\n\n\tif ( intersection ) {\n\n\t\tif ( uv ) {\n\n\t\t\t_uvA$1.fromBufferAttribute( uv, a );\n\t\t\t_uvB$1.fromBufferAttribute( uv, b );\n\t\t\t_uvC$1.fromBufferAttribute( uv, c );\n\n\t\t\tintersection.uv = Triangle.getUV( _intersectionPoint, _vA$1, _vB$1, _vC$1, _uvA$1, _uvB$1, _uvC$1, new Vector2() );\n\n\t\t}\n\n\t\tif ( uv2 ) {\n\n\t\t\t_uvA$1.fromBufferAttribute( uv2, a );\n\t\t\t_uvB$1.fromBufferAttribute( uv2, b );\n\t\t\t_uvC$1.fromBufferAttribute( uv2, c );\n\n\t\t\tintersection.uv2 = Triangle.getUV( _intersectionPoint, _vA$1, _vB$1, _vC$1, _uvA$1, _uvB$1, _uvC$1, new Vector2() );\n\n\t\t}\n\n\t\tconst face = {\n\t\t\ta: a,\n\t\t\tb: b,\n\t\t\tc: c,\n\t\t\tnormal: new Vector3(),\n\t\t\tmaterialIndex: 0\n\t\t};\n\n\t\tTriangle.getNormal( _vA$1, _vB$1, _vC$1, face.normal );\n\n\t\tintersection.face = face;\n\n\t}\n\n\treturn intersection;\n\n}\n\nclass BoxGeometry extends BufferGeometry {\n\n\tconstructor( width = 1, height = 1, depth = 1, widthSegments = 1, heightSegments = 1, depthSegments = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'BoxGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tconst scope = this;\n\n\t\t// segments\n\n\t\twidthSegments = Math.floor( widthSegments );\n\t\theightSegments = Math.floor( heightSegments );\n\t\tdepthSegments = Math.floor( depthSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet numberOfVertices = 0;\n\t\tlet groupStart = 0;\n\n\t\t// build each side of the box geometry\n\n\t\tbuildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px\n\t\tbuildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx\n\t\tbuildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py\n\t\tbuildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny\n\t\tbuildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz\n\t\tbuildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\tfunction buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) {\n\n\t\t\tconst segmentWidth = width / gridX;\n\t\t\tconst segmentHeight = height / gridY;\n\n\t\t\tconst widthHalf = width / 2;\n\t\t\tconst heightHalf = height / 2;\n\t\t\tconst depthHalf = depth / 2;\n\n\t\t\tconst gridX1 = gridX + 1;\n\t\t\tconst gridY1 = gridY + 1;\n\n\t\t\tlet vertexCounter = 0;\n\t\t\tlet groupCount = 0;\n\n\t\t\tconst vector = new Vector3();\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( let iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\t\tconst y = iy * segmentHeight - heightHalf;\n\n\t\t\t\tfor ( let ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\t\tconst x = ix * segmentWidth - widthHalf;\n\n\t\t\t\t\t// set values to correct vector component\n\n\t\t\t\t\tvector[ u ] = x * udir;\n\t\t\t\t\tvector[ v ] = y * vdir;\n\t\t\t\t\tvector[ w ] = depthHalf;\n\n\t\t\t\t\t// now apply vector to vertex buffer\n\n\t\t\t\t\tvertices.push( vector.x, vector.y, vector.z );\n\n\t\t\t\t\t// set values to correct vector component\n\n\t\t\t\t\tvector[ u ] = 0;\n\t\t\t\t\tvector[ v ] = 0;\n\t\t\t\t\tvector[ w ] = depth > 0 ? 1 : - 1;\n\n\t\t\t\t\t// now apply vector to normal buffer\n\n\t\t\t\t\tnormals.push( vector.x, vector.y, vector.z );\n\n\t\t\t\t\t// uvs\n\n\t\t\t\t\tuvs.push( ix / gridX );\n\t\t\t\t\tuvs.push( 1 - ( iy / gridY ) );\n\n\t\t\t\t\t// counters\n\n\t\t\t\t\tvertexCounter += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// indices\n\n\t\t\t// 1. you need three indices to draw a single face\n\t\t\t// 2. a single segment consists of two faces\n\t\t\t// 3. so we need to generate six (2*3) indices per segment\n\n\t\t\tfor ( let iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\t\tfor ( let ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\t\tconst a = numberOfVertices + ix + gridX1 * iy;\n\t\t\t\t\tconst b = numberOfVertices + ix + gridX1 * ( iy + 1 );\n\t\t\t\t\tconst c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\t\tconst d = numberOfVertices + ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t\t// increase counter\n\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, materialIndex );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t\t// update total number of vertices\n\n\t\t\tnumberOfVertices += vertexCounter;\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new BoxGeometry( data.width, data.height, data.depth, data.widthSegments, data.heightSegments, data.depthSegments );\n\n\t}\n\n}\n\n/**\n * Uniform Utilities\n */\n\nfunction cloneUniforms( src ) {\n\n\tconst dst = {};\n\n\tfor ( const u in src ) {\n\n\t\tdst[ u ] = {};\n\n\t\tfor ( const p in src[ u ] ) {\n\n\t\t\tconst property = src[ u ][ p ];\n\n\t\t\tif ( property && ( property.isColor ||\n\t\t\t\tproperty.isMatrix3 || property.isMatrix4 ||\n\t\t\t\tproperty.isVector2 || property.isVector3 || property.isVector4 ||\n\t\t\t\tproperty.isTexture || property.isQuaternion ) ) {\n\n\t\t\t\tdst[ u ][ p ] = property.clone();\n\n\t\t\t} else if ( Array.isArray( property ) ) {\n\n\t\t\t\tdst[ u ][ p ] = property.slice();\n\n\t\t\t} else {\n\n\t\t\t\tdst[ u ][ p ] = property;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn dst;\n\n}\n\nfunction mergeUniforms( uniforms ) {\n\n\tconst merged = {};\n\n\tfor ( let u = 0; u < uniforms.length; u ++ ) {\n\n\t\tconst tmp = cloneUniforms( uniforms[ u ] );\n\n\t\tfor ( const p in tmp ) {\n\n\t\t\tmerged[ p ] = tmp[ p ];\n\n\t\t}\n\n\t}\n\n\treturn merged;\n\n}\n\n// Legacy\n\nconst UniformsUtils = { clone: cloneUniforms, merge: mergeUniforms };\n\nvar default_vertex = \"void main() {\\n\\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\\n}\";\n\nvar default_fragment = \"void main() {\\n\\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\\n}\";\n\n/**\n * parameters = {\n * defines: { \"label\" : \"value\" },\n * uniforms: { \"parameter1\": { value: 1.0 }, \"parameter2\": { value2: 2 } },\n *\n * fragmentShader: ,\n * vertexShader: ,\n *\n * wireframe: ,\n * wireframeLinewidth: ,\n *\n * lights: \n * }\n */\n\nclass ShaderMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ShaderMaterial';\n\n\t\tthis.defines = {};\n\t\tthis.uniforms = {};\n\n\t\tthis.vertexShader = default_vertex;\n\t\tthis.fragmentShader = default_fragment;\n\n\t\tthis.linewidth = 1;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false; // set to use scene fog\n\t\tthis.lights = false; // set to use scene lights\n\t\tthis.clipping = false; // set to use user-defined clipping planes\n\n\t\tthis.extensions = {\n\t\t\tderivatives: false, // set to use derivatives\n\t\t\tfragDepth: false, // set to use fragment depth values\n\t\t\tdrawBuffers: false, // set to use draw buffers\n\t\t\tshaderTextureLOD: false // set to use shader texture LOD\n\t\t};\n\n\t\t// When rendered geometry doesn't include these attributes but the material does,\n\t\t// use these default values in WebGL. This avoids errors when buffer data is missing.\n\t\tthis.defaultAttributeValues = {\n\t\t\t'color': [ 1, 1, 1 ],\n\t\t\t'uv': [ 0, 0 ],\n\t\t\t'uv2': [ 0, 0 ]\n\t\t};\n\n\t\tthis.index0AttributeName = undefined;\n\t\tthis.uniformsNeedUpdate = false;\n\n\t\tthis.glslVersion = null;\n\n\t\tif ( parameters !== undefined ) {\n\n\t\t\tif ( parameters.attributes !== undefined ) {\n\n\t\t\t\tconsole.error( 'THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t\tthis.setValues( parameters );\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.fragmentShader = source.fragmentShader;\n\t\tthis.vertexShader = source.vertexShader;\n\n\t\tthis.uniforms = cloneUniforms( source.uniforms );\n\n\t\tthis.defines = Object.assign( {}, source.defines );\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.lights = source.lights;\n\t\tthis.clipping = source.clipping;\n\n\t\tthis.extensions = Object.assign( {}, source.extensions );\n\n\t\tthis.glslVersion = source.glslVersion;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.glslVersion = this.glslVersion;\n\t\tdata.uniforms = {};\n\n\t\tfor ( const name in this.uniforms ) {\n\n\t\t\tconst uniform = this.uniforms[ name ];\n\t\t\tconst value = uniform.value;\n\n\t\t\tif ( value && value.isTexture ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 't',\n\t\t\t\t\tvalue: value.toJSON( meta ).uuid\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isColor ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'c',\n\t\t\t\t\tvalue: value.getHex()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector2 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v2',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector3 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v3',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector4 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v4',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isMatrix3 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'm3',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isMatrix4 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'm4',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\tvalue: value\n\t\t\t\t};\n\n\t\t\t\t// note: the array variants v2v, v3v, v4v, m4v and tv are not supported so far\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( Object.keys( this.defines ).length > 0 ) data.defines = this.defines;\n\n\t\tdata.vertexShader = this.vertexShader;\n\t\tdata.fragmentShader = this.fragmentShader;\n\n\t\tconst extensions = {};\n\n\t\tfor ( const key in this.extensions ) {\n\n\t\t\tif ( this.extensions[ key ] === true ) extensions[ key ] = true;\n\n\t\t}\n\n\t\tif ( Object.keys( extensions ).length > 0 ) data.extensions = extensions;\n\n\t\treturn data;\n\n\t}\n\n}\n\nShaderMaterial.prototype.isShaderMaterial = true;\n\nclass Camera extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'Camera';\n\n\t\tthis.matrixWorldInverse = new Matrix4();\n\n\t\tthis.projectionMatrix = new Matrix4();\n\t\tthis.projectionMatrixInverse = new Matrix4();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.matrixWorldInverse.copy( source.matrixWorldInverse );\n\n\t\tthis.projectionMatrix.copy( source.projectionMatrix );\n\t\tthis.projectionMatrixInverse.copy( source.projectionMatrixInverse );\n\n\t\treturn this;\n\n\t}\n\n\tgetWorldDirection( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tconst e = this.matrixWorld.elements;\n\n\t\treturn target.set( - e[ 8 ], - e[ 9 ], - e[ 10 ] ).normalize();\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tthis.matrixWorldInverse.copy( this.matrixWorld ).invert();\n\n\t}\n\n\tupdateWorldMatrix( updateParents, updateChildren ) {\n\n\t\tsuper.updateWorldMatrix( updateParents, updateChildren );\n\n\t\tthis.matrixWorldInverse.copy( this.matrixWorld ).invert();\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nCamera.prototype.isCamera = true;\n\nclass PerspectiveCamera extends Camera {\n\n\tconstructor( fov = 50, aspect = 1, near = 0.1, far = 2000 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'PerspectiveCamera';\n\n\t\tthis.fov = fov;\n\t\tthis.zoom = 1;\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\t\tthis.focus = 10;\n\n\t\tthis.aspect = aspect;\n\t\tthis.view = null;\n\n\t\tthis.filmGauge = 35;\t// width of the film (default in millimeters)\n\t\tthis.filmOffset = 0;\t// horizontal film offset (same unit as gauge)\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.fov = source.fov;\n\t\tthis.zoom = source.zoom;\n\n\t\tthis.near = source.near;\n\t\tthis.far = source.far;\n\t\tthis.focus = source.focus;\n\n\t\tthis.aspect = source.aspect;\n\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\tthis.filmGauge = source.filmGauge;\n\t\tthis.filmOffset = source.filmOffset;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the FOV by focal length in respect to the current .filmGauge.\n\t *\n\t * The default film gauge is 35, so that the focal length can be specified for\n\t * a 35mm (full frame) camera.\n\t *\n\t * Values for focal length and film gauge must have the same unit.\n\t */\n\tsetFocalLength( focalLength ) {\n\n\t\t/** see {@link http://www.bobatkins.com/photography/technical/field_of_view.html} */\n\t\tconst vExtentSlope = 0.5 * this.getFilmHeight() / focalLength;\n\n\t\tthis.fov = RAD2DEG * 2 * Math.atan( vExtentSlope );\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\t/**\n\t * Calculates the focal length from the current .fov and .filmGauge.\n\t */\n\tgetFocalLength() {\n\n\t\tconst vExtentSlope = Math.tan( DEG2RAD * 0.5 * this.fov );\n\n\t\treturn 0.5 * this.getFilmHeight() / vExtentSlope;\n\n\t}\n\n\tgetEffectiveFOV() {\n\n\t\treturn RAD2DEG * 2 * Math.atan(\n\t\t\tMath.tan( DEG2RAD * 0.5 * this.fov ) / this.zoom );\n\n\t}\n\n\tgetFilmWidth() {\n\n\t\t// film not completely covered in portrait format (aspect < 1)\n\t\treturn this.filmGauge * Math.min( this.aspect, 1 );\n\n\t}\n\n\tgetFilmHeight() {\n\n\t\t// film not completely covered in landscape format (aspect > 1)\n\t\treturn this.filmGauge / Math.max( this.aspect, 1 );\n\n\t}\n\n\t/**\n\t * Sets an offset in a larger frustum. This is useful for multi-window or\n\t * multi-monitor/multi-machine setups.\n\t *\n\t * For example, if you have 3x2 monitors and each monitor is 1920x1080 and\n\t * the monitors are in grid like this\n\t *\n\t * +---+---+---+\n\t * | A | B | C |\n\t * +---+---+---+\n\t * | D | E | F |\n\t * +---+---+---+\n\t *\n\t * then for each monitor you would call it like this\n\t *\n\t * const w = 1920;\n\t * const h = 1080;\n\t * const fullWidth = w * 3;\n\t * const fullHeight = h * 2;\n\t *\n\t * --A--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 0, w, h );\n\t * --B--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 0, w, h );\n\t * --C--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 0, w, h );\n\t * --D--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 1, w, h );\n\t * --E--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 1, w, h );\n\t * --F--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 1, w, h );\n\t *\n\t * Note there is no reason monitors have to be the same size or in a grid.\n\t */\n\tsetViewOffset( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\tthis.aspect = fullWidth / fullHeight;\n\n\t\tif ( this.view === null ) {\n\n\t\t\tthis.view = {\n\t\t\t\tenabled: true,\n\t\t\t\tfullWidth: 1,\n\t\t\t\tfullHeight: 1,\n\t\t\t\toffsetX: 0,\n\t\t\t\toffsetY: 0,\n\t\t\t\twidth: 1,\n\t\t\t\theight: 1\n\t\t\t};\n\n\t\t}\n\n\t\tthis.view.enabled = true;\n\t\tthis.view.fullWidth = fullWidth;\n\t\tthis.view.fullHeight = fullHeight;\n\t\tthis.view.offsetX = x;\n\t\tthis.view.offsetY = y;\n\t\tthis.view.width = width;\n\t\tthis.view.height = height;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tclearViewOffset() {\n\n\t\tif ( this.view !== null ) {\n\n\t\t\tthis.view.enabled = false;\n\n\t\t}\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tupdateProjectionMatrix() {\n\n\t\tconst near = this.near;\n\t\tlet top = near * Math.tan( DEG2RAD * 0.5 * this.fov ) / this.zoom;\n\t\tlet height = 2 * top;\n\t\tlet width = this.aspect * height;\n\t\tlet left = - 0.5 * width;\n\t\tconst view = this.view;\n\n\t\tif ( this.view !== null && this.view.enabled ) {\n\n\t\t\tconst fullWidth = view.fullWidth,\n\t\t\t\tfullHeight = view.fullHeight;\n\n\t\t\tleft += view.offsetX * width / fullWidth;\n\t\t\ttop -= view.offsetY * height / fullHeight;\n\t\t\twidth *= view.width / fullWidth;\n\t\t\theight *= view.height / fullHeight;\n\n\t\t}\n\n\t\tconst skew = this.filmOffset;\n\t\tif ( skew !== 0 ) left += near * skew / this.getFilmWidth();\n\n\t\tthis.projectionMatrix.makePerspective( left, left + width, top, top - height, near, this.far );\n\n\t\tthis.projectionMatrixInverse.copy( this.projectionMatrix ).invert();\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.fov = this.fov;\n\t\tdata.object.zoom = this.zoom;\n\n\t\tdata.object.near = this.near;\n\t\tdata.object.far = this.far;\n\t\tdata.object.focus = this.focus;\n\n\t\tdata.object.aspect = this.aspect;\n\n\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\tdata.object.filmGauge = this.filmGauge;\n\t\tdata.object.filmOffset = this.filmOffset;\n\n\t\treturn data;\n\n\t}\n\n}\n\nPerspectiveCamera.prototype.isPerspectiveCamera = true;\n\nconst fov = 90, aspect = 1;\n\nclass CubeCamera extends Object3D {\n\n\tconstructor( near, far, renderTarget ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CubeCamera';\n\n\t\tif ( renderTarget.isWebGLCubeRenderTarget !== true ) {\n\n\t\t\tconsole.error( 'THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis.renderTarget = renderTarget;\n\n\t\tconst cameraPX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPX.layers = this.layers;\n\t\tcameraPX.up.set( 0, - 1, 0 );\n\t\tcameraPX.lookAt( new Vector3( 1, 0, 0 ) );\n\t\tthis.add( cameraPX );\n\n\t\tconst cameraNX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNX.layers = this.layers;\n\t\tcameraNX.up.set( 0, - 1, 0 );\n\t\tcameraNX.lookAt( new Vector3( - 1, 0, 0 ) );\n\t\tthis.add( cameraNX );\n\n\t\tconst cameraPY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPY.layers = this.layers;\n\t\tcameraPY.up.set( 0, 0, 1 );\n\t\tcameraPY.lookAt( new Vector3( 0, 1, 0 ) );\n\t\tthis.add( cameraPY );\n\n\t\tconst cameraNY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNY.layers = this.layers;\n\t\tcameraNY.up.set( 0, 0, - 1 );\n\t\tcameraNY.lookAt( new Vector3( 0, - 1, 0 ) );\n\t\tthis.add( cameraNY );\n\n\t\tconst cameraPZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPZ.layers = this.layers;\n\t\tcameraPZ.up.set( 0, - 1, 0 );\n\t\tcameraPZ.lookAt( new Vector3( 0, 0, 1 ) );\n\t\tthis.add( cameraPZ );\n\n\t\tconst cameraNZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNZ.layers = this.layers;\n\t\tcameraNZ.up.set( 0, - 1, 0 );\n\t\tcameraNZ.lookAt( new Vector3( 0, 0, - 1 ) );\n\t\tthis.add( cameraNZ );\n\n\t}\n\n\tupdate( renderer, scene ) {\n\n\t\tif ( this.parent === null ) this.updateMatrixWorld();\n\n\t\tconst renderTarget = this.renderTarget;\n\n\t\tconst [ cameraPX, cameraNX, cameraPY, cameraNY, cameraPZ, cameraNZ ] = this.children;\n\n\t\tconst currentXrEnabled = renderer.xr.enabled;\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\trenderer.xr.enabled = false;\n\n\t\tconst generateMipmaps = renderTarget.texture.generateMipmaps;\n\n\t\trenderTarget.texture.generateMipmaps = false;\n\n\t\trenderer.setRenderTarget( renderTarget, 0 );\n\t\trenderer.render( scene, cameraPX );\n\n\t\trenderer.setRenderTarget( renderTarget, 1 );\n\t\trenderer.render( scene, cameraNX );\n\n\t\trenderer.setRenderTarget( renderTarget, 2 );\n\t\trenderer.render( scene, cameraPY );\n\n\t\trenderer.setRenderTarget( renderTarget, 3 );\n\t\trenderer.render( scene, cameraNY );\n\n\t\trenderer.setRenderTarget( renderTarget, 4 );\n\t\trenderer.render( scene, cameraPZ );\n\n\t\trenderTarget.texture.generateMipmaps = generateMipmaps;\n\n\t\trenderer.setRenderTarget( renderTarget, 5 );\n\t\trenderer.render( scene, cameraNZ );\n\n\t\trenderer.setRenderTarget( currentRenderTarget );\n\n\t\trenderer.xr.enabled = currentXrEnabled;\n\n\t}\n\n}\n\nclass CubeTexture extends Texture {\n\n\tconstructor( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {\n\n\t\timages = images !== undefined ? images : [];\n\t\tmapping = mapping !== undefined ? mapping : CubeReflectionMapping;\n\n\t\tsuper( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.flipY = false;\n\n\t}\n\n\tget images() {\n\n\t\treturn this.image;\n\n\t}\n\n\tset images( value ) {\n\n\t\tthis.image = value;\n\n\t}\n\n}\n\nCubeTexture.prototype.isCubeTexture = true;\n\nclass WebGLCubeRenderTarget extends WebGLRenderTarget {\n\n\tconstructor( size, options, dummy ) {\n\n\t\tif ( Number.isInteger( options ) ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLCubeRenderTarget: constructor signature is now WebGLCubeRenderTarget( size, options )' );\n\n\t\t\toptions = dummy;\n\n\t\t}\n\n\t\tsuper( size, size, options );\n\n\t\toptions = options || {};\n\n\t\t// By convention -- likely based on the RenderMan spec from the 1990's -- cube maps are specified by WebGL (and three.js)\n\t\t// in a coordinate system in which positive-x is to the right when looking up the positive-z axis -- in other words,\n\t\t// in a left-handed coordinate system. By continuing this convention, preexisting cube maps continued to render correctly.\n\n\t\t// three.js uses a right-handed coordinate system. So environment maps used in three.js appear to have px and nx swapped\n\t\t// and the flag isRenderTargetTexture controls this conversion. The flip is not required when using WebGLCubeRenderTarget.texture\n\t\t// as a cube texture (this is detected when isRenderTargetTexture is set to true for cube textures).\n\n\t\tthis.texture = new CubeTexture( undefined, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding );\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t\tthis.texture.generateMipmaps = options.generateMipmaps !== undefined ? options.generateMipmaps : false;\n\t\tthis.texture.minFilter = options.minFilter !== undefined ? options.minFilter : LinearFilter;\n\n\t\tthis.texture._needsFlipEnvMap = false;\n\n\t}\n\n\tfromEquirectangularTexture( renderer, texture ) {\n\n\t\tthis.texture.type = texture.type;\n\t\tthis.texture.format = RGBAFormat; // see #18859\n\t\tthis.texture.encoding = texture.encoding;\n\n\t\tthis.texture.generateMipmaps = texture.generateMipmaps;\n\t\tthis.texture.minFilter = texture.minFilter;\n\t\tthis.texture.magFilter = texture.magFilter;\n\n\t\tconst shader = {\n\n\t\t\tuniforms: {\n\t\t\t\ttEquirect: { value: null },\n\t\t\t},\n\n\t\t\tvertexShader: /* glsl */`\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include \n\t\t\t\t\t#include \n\n\t\t\t\t}\n\t\t\t`,\n\n\t\t\tfragmentShader: /* glsl */`\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include \n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t`\n\t\t};\n\n\t\tconst geometry = new BoxGeometry( 5, 5, 5 );\n\n\t\tconst material = new ShaderMaterial( {\n\n\t\t\tname: 'CubemapFromEquirect',\n\n\t\t\tuniforms: cloneUniforms( shader.uniforms ),\n\t\t\tvertexShader: shader.vertexShader,\n\t\t\tfragmentShader: shader.fragmentShader,\n\t\t\tside: BackSide,\n\t\t\tblending: NoBlending\n\n\t\t} );\n\n\t\tmaterial.uniforms.tEquirect.value = texture;\n\n\t\tconst mesh = new Mesh( geometry, material );\n\n\t\tconst currentMinFilter = texture.minFilter;\n\n\t\t// Avoid blurred poles\n\t\tif ( texture.minFilter === LinearMipmapLinearFilter ) texture.minFilter = LinearFilter;\n\n\t\tconst camera = new CubeCamera( 1, 10, this );\n\t\tcamera.update( renderer, mesh );\n\n\t\ttexture.minFilter = currentMinFilter;\n\n\t\tmesh.geometry.dispose();\n\t\tmesh.material.dispose();\n\n\t\treturn this;\n\n\t}\n\n\tclear( renderer, color, depth, stencil ) {\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\trenderer.setRenderTarget( this, i );\n\n\t\t\trenderer.clear( color, depth, stencil );\n\n\t\t}\n\n\t\trenderer.setRenderTarget( currentRenderTarget );\n\n\t}\n\n}\n\nWebGLCubeRenderTarget.prototype.isWebGLCubeRenderTarget = true;\n\nconst _vector1 = /*@__PURE__*/ new Vector3();\nconst _vector2 = /*@__PURE__*/ new Vector3();\nconst _normalMatrix = /*@__PURE__*/ new Matrix3();\n\nclass Plane {\n\n\tconstructor( normal = new Vector3( 1, 0, 0 ), constant = 0 ) {\n\n\t\t// normal is assumed to be normalized\n\n\t\tthis.normal = normal;\n\t\tthis.constant = constant;\n\n\t}\n\n\tset( normal, constant ) {\n\n\t\tthis.normal.copy( normal );\n\t\tthis.constant = constant;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponents( x, y, z, w ) {\n\n\t\tthis.normal.set( x, y, z );\n\t\tthis.constant = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromNormalAndCoplanarPoint( normal, point ) {\n\n\t\tthis.normal.copy( normal );\n\t\tthis.constant = - point.dot( this.normal );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCoplanarPoints( a, b, c ) {\n\n\t\tconst normal = _vector1.subVectors( c, b ).cross( _vector2.subVectors( a, b ) ).normalize();\n\n\t\t// Q: should an error be thrown if normal is zero (e.g. degenerate plane)?\n\n\t\tthis.setFromNormalAndCoplanarPoint( normal, a );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( plane ) {\n\n\t\tthis.normal.copy( plane.normal );\n\t\tthis.constant = plane.constant;\n\n\t\treturn this;\n\n\t}\n\n\tnormalize() {\n\n\t\t// Note: will lead to a divide by zero if the plane is invalid.\n\n\t\tconst inverseNormalLength = 1.0 / this.normal.length();\n\t\tthis.normal.multiplyScalar( inverseNormalLength );\n\t\tthis.constant *= inverseNormalLength;\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.constant *= - 1;\n\t\tthis.normal.negate();\n\n\t\treturn this;\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn this.normal.dot( point ) + this.constant;\n\n\t}\n\n\tdistanceToSphere( sphere ) {\n\n\t\treturn this.distanceToPoint( sphere.center ) - sphere.radius;\n\n\t}\n\n\tprojectPoint( point, target ) {\n\n\t\treturn target.copy( this.normal ).multiplyScalar( - this.distanceToPoint( point ) ).add( point );\n\n\t}\n\n\tintersectLine( line, target ) {\n\n\t\tconst direction = line.delta( _vector1 );\n\n\t\tconst denominator = this.normal.dot( direction );\n\n\t\tif ( denominator === 0 ) {\n\n\t\t\t// line is coplanar, return origin\n\t\t\tif ( this.distanceToPoint( line.start ) === 0 ) {\n\n\t\t\t\treturn target.copy( line.start );\n\n\t\t\t}\n\n\t\t\t// Unsure if this is the correct method to handle this case.\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst t = - ( line.start.dot( this.normal ) + this.constant ) / denominator;\n\n\t\tif ( t < 0 || t > 1 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\treturn target.copy( direction ).multiplyScalar( t ).add( line.start );\n\n\t}\n\n\tintersectsLine( line ) {\n\n\t\t// Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it.\n\n\t\tconst startSign = this.distanceToPoint( line.start );\n\t\tconst endSign = this.distanceToPoint( line.end );\n\n\t\treturn ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsPlane( this );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\treturn sphere.intersectsPlane( this );\n\n\t}\n\n\tcoplanarPoint( target ) {\n\n\t\treturn target.copy( this.normal ).multiplyScalar( - this.constant );\n\n\t}\n\n\tapplyMatrix4( matrix, optionalNormalMatrix ) {\n\n\t\tconst normalMatrix = optionalNormalMatrix || _normalMatrix.getNormalMatrix( matrix );\n\n\t\tconst referencePoint = this.coplanarPoint( _vector1 ).applyMatrix4( matrix );\n\n\t\tconst normal = this.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\tthis.constant = - referencePoint.dot( normal );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.constant -= offset.dot( this.normal );\n\n\t\treturn this;\n\n\t}\n\n\tequals( plane ) {\n\n\t\treturn plane.normal.equals( this.normal ) && ( plane.constant === this.constant );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nPlane.prototype.isPlane = true;\n\nconst _sphere$2 = /*@__PURE__*/ new Sphere();\nconst _vector$7 = /*@__PURE__*/ new Vector3();\n\nclass Frustum {\n\n\tconstructor( p0 = new Plane(), p1 = new Plane(), p2 = new Plane(), p3 = new Plane(), p4 = new Plane(), p5 = new Plane() ) {\n\n\t\tthis.planes = [ p0, p1, p2, p3, p4, p5 ];\n\n\t}\n\n\tset( p0, p1, p2, p3, p4, p5 ) {\n\n\t\tconst planes = this.planes;\n\n\t\tplanes[ 0 ].copy( p0 );\n\t\tplanes[ 1 ].copy( p1 );\n\t\tplanes[ 2 ].copy( p2 );\n\t\tplanes[ 3 ].copy( p3 );\n\t\tplanes[ 4 ].copy( p4 );\n\t\tplanes[ 5 ].copy( p5 );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( frustum ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tplanes[ i ].copy( frustum.planes[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromProjectionMatrix( m ) {\n\n\t\tconst planes = this.planes;\n\t\tconst me = m.elements;\n\t\tconst me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ];\n\t\tconst me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ];\n\t\tconst me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ];\n\t\tconst me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ];\n\n\t\tplanes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize();\n\t\tplanes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize();\n\t\tplanes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize();\n\t\tplanes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize();\n\t\tplanes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize();\n\t\tplanes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize();\n\n\t\treturn this;\n\n\t}\n\n\tintersectsObject( object ) {\n\n\t\tconst geometry = object.geometry;\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere$2.copy( geometry.boundingSphere ).applyMatrix4( object.matrixWorld );\n\n\t\treturn this.intersectsSphere( _sphere$2 );\n\n\t}\n\n\tintersectsSprite( sprite ) {\n\n\t\t_sphere$2.center.set( 0, 0, 0 );\n\t\t_sphere$2.radius = 0.7071067811865476;\n\t\t_sphere$2.applyMatrix4( sprite.matrixWorld );\n\n\t\treturn this.intersectsSphere( _sphere$2 );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\tconst planes = this.planes;\n\t\tconst center = sphere.center;\n\t\tconst negRadius = - sphere.radius;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst distance = planes[ i ].distanceToPoint( center );\n\n\t\t\tif ( distance < negRadius ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst plane = planes[ i ];\n\n\t\t\t// corner at max distance\n\n\t\t\t_vector$7.x = plane.normal.x > 0 ? box.max.x : box.min.x;\n\t\t\t_vector$7.y = plane.normal.y > 0 ? box.max.y : box.min.y;\n\t\t\t_vector$7.z = plane.normal.z > 0 ? box.max.z : box.min.z;\n\n\t\t\tif ( plane.distanceToPoint( _vector$7 ) < 0 ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tif ( planes[ i ].distanceToPoint( point ) < 0 ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nfunction WebGLAnimation() {\n\n\tlet context = null;\n\tlet isAnimating = false;\n\tlet animationLoop = null;\n\tlet requestId = null;\n\n\tfunction onAnimationFrame( time, frame ) {\n\n\t\tanimationLoop( time, frame );\n\n\t\trequestId = context.requestAnimationFrame( onAnimationFrame );\n\n\t}\n\n\treturn {\n\n\t\tstart: function () {\n\n\t\t\tif ( isAnimating === true ) return;\n\t\t\tif ( animationLoop === null ) return;\n\n\t\t\trequestId = context.requestAnimationFrame( onAnimationFrame );\n\n\t\t\tisAnimating = true;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tcontext.cancelAnimationFrame( requestId );\n\n\t\t\tisAnimating = false;\n\n\t\t},\n\n\t\tsetAnimationLoop: function ( callback ) {\n\n\t\t\tanimationLoop = callback;\n\n\t\t},\n\n\t\tsetContext: function ( value ) {\n\n\t\t\tcontext = value;\n\n\t\t}\n\n\t};\n\n}\n\nfunction WebGLAttributes( gl, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tconst buffers = new WeakMap();\n\n\tfunction createBuffer( attribute, bufferType ) {\n\n\t\tconst array = attribute.array;\n\t\tconst usage = attribute.usage;\n\n\t\tconst buffer = gl.createBuffer();\n\n\t\tgl.bindBuffer( bufferType, buffer );\n\t\tgl.bufferData( bufferType, array, usage );\n\n\t\tattribute.onUploadCallback();\n\n\t\tlet type = 5126;\n\n\t\tif ( array instanceof Float32Array ) {\n\n\t\t\ttype = 5126;\n\n\t\t} else if ( array instanceof Float64Array ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLAttributes: Unsupported data buffer format: Float64Array.' );\n\n\t\t} else if ( array instanceof Uint16Array ) {\n\n\t\t\tif ( attribute.isFloat16BufferAttribute ) {\n\n\t\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\t\ttype = 5131;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2.' );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\ttype = 5123;\n\n\t\t\t}\n\n\t\t} else if ( array instanceof Int16Array ) {\n\n\t\t\ttype = 5122;\n\n\t\t} else if ( array instanceof Uint32Array ) {\n\n\t\t\ttype = 5125;\n\n\t\t} else if ( array instanceof Int32Array ) {\n\n\t\t\ttype = 5124;\n\n\t\t} else if ( array instanceof Int8Array ) {\n\n\t\t\ttype = 5120;\n\n\t\t} else if ( array instanceof Uint8Array ) {\n\n\t\t\ttype = 5121;\n\n\t\t} else if ( array instanceof Uint8ClampedArray ) {\n\n\t\t\ttype = 5121;\n\n\t\t}\n\n\t\treturn {\n\t\t\tbuffer: buffer,\n\t\t\ttype: type,\n\t\t\tbytesPerElement: array.BYTES_PER_ELEMENT,\n\t\t\tversion: attribute.version\n\t\t};\n\n\t}\n\n\tfunction updateBuffer( buffer, attribute, bufferType ) {\n\n\t\tconst array = attribute.array;\n\t\tconst updateRange = attribute.updateRange;\n\n\t\tgl.bindBuffer( bufferType, buffer );\n\n\t\tif ( updateRange.count === - 1 ) {\n\n\t\t\t// Not using update ranges\n\n\t\t\tgl.bufferSubData( bufferType, 0, array );\n\n\t\t} else {\n\n\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\tgl.bufferSubData( bufferType, updateRange.offset * array.BYTES_PER_ELEMENT,\n\t\t\t\t\tarray, updateRange.offset, updateRange.count );\n\n\t\t\t} else {\n\n\t\t\t\tgl.bufferSubData( bufferType, updateRange.offset * array.BYTES_PER_ELEMENT,\n\t\t\t\t\tarray.subarray( updateRange.offset, updateRange.offset + updateRange.count ) );\n\n\t\t\t}\n\n\t\t\tupdateRange.count = - 1; // reset range\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction get( attribute ) {\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\treturn buffers.get( attribute );\n\n\t}\n\n\tfunction remove( attribute ) {\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\tconst data = buffers.get( attribute );\n\n\t\tif ( data ) {\n\n\t\t\tgl.deleteBuffer( data.buffer );\n\n\t\t\tbuffers.delete( attribute );\n\n\t\t}\n\n\t}\n\n\tfunction update( attribute, bufferType ) {\n\n\t\tif ( attribute.isGLBufferAttribute ) {\n\n\t\t\tconst cached = buffers.get( attribute );\n\n\t\t\tif ( ! cached || cached.version < attribute.version ) {\n\n\t\t\t\tbuffers.set( attribute, {\n\t\t\t\t\tbuffer: attribute.buffer,\n\t\t\t\t\ttype: attribute.type,\n\t\t\t\t\tbytesPerElement: attribute.elementSize,\n\t\t\t\t\tversion: attribute.version\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\tconst data = buffers.get( attribute );\n\n\t\tif ( data === undefined ) {\n\n\t\t\tbuffers.set( attribute, createBuffer( attribute, bufferType ) );\n\n\t\t} else if ( data.version < attribute.version ) {\n\n\t\t\tupdateBuffer( data.buffer, attribute, bufferType );\n\n\t\t\tdata.version = attribute.version;\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\tget: get,\n\t\tremove: remove,\n\t\tupdate: update\n\n\t};\n\n}\n\nclass PlaneGeometry extends BufferGeometry {\n\n\tconstructor( width = 1, height = 1, widthSegments = 1, heightSegments = 1 ) {\n\n\t\tsuper();\n\t\tthis.type = 'PlaneGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tconst width_half = width / 2;\n\t\tconst height_half = height / 2;\n\n\t\tconst gridX = Math.floor( widthSegments );\n\t\tconst gridY = Math.floor( heightSegments );\n\n\t\tconst gridX1 = gridX + 1;\n\t\tconst gridY1 = gridY + 1;\n\n\t\tconst segment_width = width / gridX;\n\t\tconst segment_height = height / gridY;\n\n\t\t//\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\tfor ( let iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\tconst y = iy * segment_height - height_half;\n\n\t\t\tfor ( let ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\tconst x = ix * segment_width - width_half;\n\n\t\t\t\tvertices.push( x, - y, 0 );\n\n\t\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t\tuvs.push( ix / gridX );\n\t\t\t\tuvs.push( 1 - ( iy / gridY ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfor ( let iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\tfor ( let ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\tconst a = ix + gridX1 * iy;\n\t\t\t\tconst b = ix + gridX1 * ( iy + 1 );\n\t\t\t\tconst c = ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\tconst d = ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new PlaneGeometry( data.width, data.height, data.widthSegments, data.heightSegments );\n\n\t}\n\n}\n\nvar alphamap_fragment = \"#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\\n#endif\";\n\nvar alphamap_pars_fragment = \"#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\";\n\nvar alphatest_fragment = \"#ifdef USE_ALPHATEST\\n\\tif ( diffuseColor.a < alphaTest ) discard;\\n#endif\";\n\nvar alphatest_pars_fragment = \"#ifdef USE_ALPHATEST\\n\\tuniform float alphaTest;\\n#endif\";\n\nvar aomap_fragment = \"#ifdef USE_AOMAP\\n\\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\\n\\treflectedLight.indirectDiffuse *= ambientOcclusion;\\n\\t#if defined( USE_ENVMAP ) && defined( STANDARD )\\n\\t\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\t\\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\\n\\t#endif\\n#endif\";\n\nvar aomap_pars_fragment = \"#ifdef USE_AOMAP\\n\\tuniform sampler2D aoMap;\\n\\tuniform float aoMapIntensity;\\n#endif\";\n\nvar begin_vertex = \"vec3 transformed = vec3( position );\";\n\nvar beginnormal_vertex = \"vec3 objectNormal = vec3( normal );\\n#ifdef USE_TANGENT\\n\\tvec3 objectTangent = vec3( tangent.xyz );\\n#endif\";\n\nvar bsdfs = \"vec3 BRDF_Lambert( const in vec3 diffuseColor ) {\\n\\treturn RECIPROCAL_PI * diffuseColor;\\n}\\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\\n\\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\\n\\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\\n}\\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\treturn 0.5 / max( gv + gl, EPSILON );\\n}\\nfloat D_GGX( const in float alpha, const in float dotNH ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\\n\\treturn RECIPROCAL_PI * a2 / pow2( denom );\\n}\\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 f0, const in float f90, const in float roughness ) {\\n\\tfloat alpha = pow2( roughness );\\n\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\tfloat dotNL = saturate( dot( normal, lightDir ) );\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\\n\\tvec3 F = F_Schlick( f0, f90, dotVH );\\n\\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\\n\\tfloat D = D_GGX( alpha, dotNH );\\n\\treturn F * ( V * D );\\n}\\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\\n\\tconst float LUT_SIZE = 64.0;\\n\\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\\n\\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\\n\\tfloat dotNV = saturate( dot( N, V ) );\\n\\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\\n\\tuv = uv * LUT_SCALE + LUT_BIAS;\\n\\treturn uv;\\n}\\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\\n\\tfloat l = length( f );\\n\\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\\n}\\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\\n\\tfloat x = dot( v1, v2 );\\n\\tfloat y = abs( x );\\n\\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\\n\\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\\n\\tfloat v = a / b;\\n\\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\\n\\treturn cross( v1, v2 ) * theta_sintheta;\\n}\\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\\n\\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\\n\\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\\n\\tvec3 lightNormal = cross( v1, v2 );\\n\\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\\n\\tvec3 T1, T2;\\n\\tT1 = normalize( V - N * dot( V, N ) );\\n\\tT2 = - cross( N, T1 );\\n\\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\\n\\tvec3 coords[ 4 ];\\n\\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\\n\\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\\n\\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\\n\\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\\n\\tcoords[ 0 ] = normalize( coords[ 0 ] );\\n\\tcoords[ 1 ] = normalize( coords[ 1 ] );\\n\\tcoords[ 2 ] = normalize( coords[ 2 ] );\\n\\tcoords[ 3 ] = normalize( coords[ 3 ] );\\n\\tvec3 vectorFormFactor = vec3( 0.0 );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\\n\\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\\n\\treturn vec3( result );\\n}\\nfloat G_BlinnPhong_Implicit( ) {\\n\\treturn 0.25;\\n}\\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\\n\\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\\n}\\nvec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\\n\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, 1.0, dotVH );\\n\\tfloat G = G_BlinnPhong_Implicit( );\\n\\tfloat D = D_BlinnPhong( shininess, dotNH );\\n\\treturn F * ( G * D );\\n}\\n#if defined( USE_SHEEN )\\nfloat D_Charlie( float roughness, float dotNH ) {\\n\\tfloat alpha = pow2( roughness );\\n\\tfloat invAlpha = 1.0 / alpha;\\n\\tfloat cos2h = dotNH * dotNH;\\n\\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\\n\\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\\n}\\nfloat V_Neubelt( float dotNV, float dotNL ) {\\n\\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\\n}\\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\\n\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\tfloat dotNL = saturate( dot( normal, lightDir ) );\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat D = D_Charlie( sheenRoughness, dotNH );\\n\\tfloat V = V_Neubelt( dotNV, dotNL );\\n\\treturn sheenColor * ( D * V );\\n}\\n#endif\";\n\nvar bumpmap_pars_fragment = \"#ifdef USE_BUMPMAP\\n\\tuniform sampler2D bumpMap;\\n\\tuniform float bumpScale;\\n\\tvec2 dHdxy_fwd() {\\n\\t\\tvec2 dSTdx = dFdx( vUv );\\n\\t\\tvec2 dSTdy = dFdy( vUv );\\n\\t\\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\\n\\t\\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\\n\\t\\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\\n\\t\\treturn vec2( dBx, dBy );\\n\\t}\\n\\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\\n\\t\\tvec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );\\n\\t\\tvec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );\\n\\t\\tvec3 vN = surf_norm;\\n\\t\\tvec3 R1 = cross( vSigmaY, vN );\\n\\t\\tvec3 R2 = cross( vN, vSigmaX );\\n\\t\\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\\n\\t\\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\\n\\t\\treturn normalize( abs( fDet ) * surf_norm - vGrad );\\n\\t}\\n#endif\";\n\nvar clipping_planes_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvec4 plane;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\\n\\t\\tplane = clippingPlanes[ i ];\\n\\t\\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\\n\\t\\tbool clipped = true;\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\\n\\t\\t\\tplane = clippingPlanes[ i ];\\n\\t\\t\\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t\\tif ( clipped ) discard;\\n\\t#endif\\n#endif\";\n\nvar clipping_planes_pars_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvarying vec3 vClipPosition;\\n\\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\\n#endif\";\n\nvar clipping_planes_pars_vertex = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvarying vec3 vClipPosition;\\n#endif\";\n\nvar clipping_planes_vertex = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvClipPosition = - mvPosition.xyz;\\n#endif\";\n\nvar color_fragment = \"#if defined( USE_COLOR_ALPHA )\\n\\tdiffuseColor *= vColor;\\n#elif defined( USE_COLOR )\\n\\tdiffuseColor.rgb *= vColor;\\n#endif\";\n\nvar color_pars_fragment = \"#if defined( USE_COLOR_ALPHA )\\n\\tvarying vec4 vColor;\\n#elif defined( USE_COLOR )\\n\\tvarying vec3 vColor;\\n#endif\";\n\nvar color_pars_vertex = \"#if defined( USE_COLOR_ALPHA )\\n\\tvarying vec4 vColor;\\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\\n\\tvarying vec3 vColor;\\n#endif\";\n\nvar color_vertex = \"#if defined( USE_COLOR_ALPHA )\\n\\tvColor = vec4( 1.0 );\\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\\n\\tvColor = vec3( 1.0 );\\n#endif\\n#ifdef USE_COLOR\\n\\tvColor *= color;\\n#endif\\n#ifdef USE_INSTANCING_COLOR\\n\\tvColor.xyz *= instanceColor.xyz;\\n#endif\";\n\nvar common = \"#define PI 3.141592653589793\\n#define PI2 6.283185307179586\\n#define PI_HALF 1.5707963267948966\\n#define RECIPROCAL_PI 0.3183098861837907\\n#define RECIPROCAL_PI2 0.15915494309189535\\n#define EPSILON 1e-6\\n#ifndef saturate\\n#define saturate( a ) clamp( a, 0.0, 1.0 )\\n#endif\\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\\nfloat pow2( const in float x ) { return x*x; }\\nfloat pow3( const in float x ) { return x*x*x; }\\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\\nhighp float rand( const in vec2 uv ) {\\n\\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\\n\\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\\n\\treturn fract( sin( sn ) * c );\\n}\\n#ifdef HIGH_PRECISION\\n\\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\\n#else\\n\\tfloat precisionSafeLength( vec3 v ) {\\n\\t\\tfloat maxComponent = max3( abs( v ) );\\n\\t\\treturn length( v / maxComponent ) * maxComponent;\\n\\t}\\n#endif\\nstruct IncidentLight {\\n\\tvec3 color;\\n\\tvec3 direction;\\n\\tbool visible;\\n};\\nstruct ReflectedLight {\\n\\tvec3 directDiffuse;\\n\\tvec3 directSpecular;\\n\\tvec3 indirectDiffuse;\\n\\tvec3 indirectSpecular;\\n};\\nstruct GeometricContext {\\n\\tvec3 position;\\n\\tvec3 normal;\\n\\tvec3 viewDir;\\n#ifdef USE_CLEARCOAT\\n\\tvec3 clearcoatNormal;\\n#endif\\n};\\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\\n}\\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\\n}\\nmat3 transposeMat3( const in mat3 m ) {\\n\\tmat3 tmp;\\n\\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\\n\\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\\n\\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\\n\\treturn tmp;\\n}\\nfloat linearToRelativeLuminance( const in vec3 color ) {\\n\\tvec3 weights = vec3( 0.2126, 0.7152, 0.0722 );\\n\\treturn dot( weights, color.rgb );\\n}\\nbool isPerspectiveMatrix( mat4 m ) {\\n\\treturn m[ 2 ][ 3 ] == - 1.0;\\n}\\nvec2 equirectUv( in vec3 dir ) {\\n\\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\\n\\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\\n\\treturn vec2( u, v );\\n}\";\n\nvar cube_uv_reflection_fragment = \"#ifdef ENVMAP_TYPE_CUBE_UV\\n\\t#define cubeUV_maxMipLevel 8.0\\n\\t#define cubeUV_minMipLevel 4.0\\n\\t#define cubeUV_maxTileSize 256.0\\n\\t#define cubeUV_minTileSize 16.0\\n\\tfloat getFace( vec3 direction ) {\\n\\t\\tvec3 absDirection = abs( direction );\\n\\t\\tfloat face = - 1.0;\\n\\t\\tif ( absDirection.x > absDirection.z ) {\\n\\t\\t\\tif ( absDirection.x > absDirection.y )\\n\\t\\t\\t\\tface = direction.x > 0.0 ? 0.0 : 3.0;\\n\\t\\t\\telse\\n\\t\\t\\t\\tface = direction.y > 0.0 ? 1.0 : 4.0;\\n\\t\\t} else {\\n\\t\\t\\tif ( absDirection.z > absDirection.y )\\n\\t\\t\\t\\tface = direction.z > 0.0 ? 2.0 : 5.0;\\n\\t\\t\\telse\\n\\t\\t\\t\\tface = direction.y > 0.0 ? 1.0 : 4.0;\\n\\t\\t}\\n\\t\\treturn face;\\n\\t}\\n\\tvec2 getUV( vec3 direction, float face ) {\\n\\t\\tvec2 uv;\\n\\t\\tif ( face == 0.0 ) {\\n\\t\\t\\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\\n\\t\\t} else if ( face == 1.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\\n\\t\\t} else if ( face == 2.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\\n\\t\\t} else if ( face == 3.0 ) {\\n\\t\\t\\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\\n\\t\\t} else if ( face == 4.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\\n\\t\\t} else {\\n\\t\\t\\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\\n\\t\\t}\\n\\t\\treturn 0.5 * ( uv + 1.0 );\\n\\t}\\n\\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\\n\\t\\tfloat face = getFace( direction );\\n\\t\\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\\n\\t\\tmipInt = max( mipInt, cubeUV_minMipLevel );\\n\\t\\tfloat faceSize = exp2( mipInt );\\n\\t\\tfloat texelSize = 1.0 / ( 3.0 * cubeUV_maxTileSize );\\n\\t\\tvec2 uv = getUV( direction, face ) * ( faceSize - 1.0 );\\n\\t\\tvec2 f = fract( uv );\\n\\t\\tuv += 0.5 - f;\\n\\t\\tif ( face > 2.0 ) {\\n\\t\\t\\tuv.y += faceSize;\\n\\t\\t\\tface -= 3.0;\\n\\t\\t}\\n\\t\\tuv.x += face * faceSize;\\n\\t\\tif ( mipInt < cubeUV_maxMipLevel ) {\\n\\t\\t\\tuv.y += 2.0 * cubeUV_maxTileSize;\\n\\t\\t}\\n\\t\\tuv.y += filterInt * 2.0 * cubeUV_minTileSize;\\n\\t\\tuv.x += 3.0 * max( 0.0, cubeUV_maxTileSize - 2.0 * faceSize );\\n\\t\\tuv *= texelSize;\\n\\t\\tvec3 tl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\\n\\t\\tuv.x += texelSize;\\n\\t\\tvec3 tr = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\\n\\t\\tuv.y += texelSize;\\n\\t\\tvec3 br = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\\n\\t\\tuv.x -= texelSize;\\n\\t\\tvec3 bl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\\n\\t\\tvec3 tm = mix( tl, tr, f.x );\\n\\t\\tvec3 bm = mix( bl, br, f.x );\\n\\t\\treturn mix( tm, bm, f.y );\\n\\t}\\n\\t#define r0 1.0\\n\\t#define v0 0.339\\n\\t#define m0 - 2.0\\n\\t#define r1 0.8\\n\\t#define v1 0.276\\n\\t#define m1 - 1.0\\n\\t#define r4 0.4\\n\\t#define v4 0.046\\n\\t#define m4 2.0\\n\\t#define r5 0.305\\n\\t#define v5 0.016\\n\\t#define m5 3.0\\n\\t#define r6 0.21\\n\\t#define v6 0.0038\\n\\t#define m6 4.0\\n\\tfloat roughnessToMip( float roughness ) {\\n\\t\\tfloat mip = 0.0;\\n\\t\\tif ( roughness >= r1 ) {\\n\\t\\t\\tmip = ( r0 - roughness ) * ( m1 - m0 ) / ( r0 - r1 ) + m0;\\n\\t\\t} else if ( roughness >= r4 ) {\\n\\t\\t\\tmip = ( r1 - roughness ) * ( m4 - m1 ) / ( r1 - r4 ) + m1;\\n\\t\\t} else if ( roughness >= r5 ) {\\n\\t\\t\\tmip = ( r4 - roughness ) * ( m5 - m4 ) / ( r4 - r5 ) + m4;\\n\\t\\t} else if ( roughness >= r6 ) {\\n\\t\\t\\tmip = ( r5 - roughness ) * ( m6 - m5 ) / ( r5 - r6 ) + m5;\\n\\t\\t} else {\\n\\t\\t\\tmip = - 2.0 * log2( 1.16 * roughness );\\t\\t}\\n\\t\\treturn mip;\\n\\t}\\n\\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\\n\\t\\tfloat mip = clamp( roughnessToMip( roughness ), m0, cubeUV_maxMipLevel );\\n\\t\\tfloat mipF = fract( mip );\\n\\t\\tfloat mipInt = floor( mip );\\n\\t\\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\\n\\t\\tif ( mipF == 0.0 ) {\\n\\t\\t\\treturn vec4( color0, 1.0 );\\n\\t\\t} else {\\n\\t\\t\\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\\n\\t\\t\\treturn vec4( mix( color0, color1, mipF ), 1.0 );\\n\\t\\t}\\n\\t}\\n#endif\";\n\nvar defaultnormal_vertex = \"vec3 transformedNormal = objectNormal;\\n#ifdef USE_INSTANCING\\n\\tmat3 m = mat3( instanceMatrix );\\n\\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\\n\\ttransformedNormal = m * transformedNormal;\\n#endif\\ntransformedNormal = normalMatrix * transformedNormal;\\n#ifdef FLIP_SIDED\\n\\ttransformedNormal = - transformedNormal;\\n#endif\\n#ifdef USE_TANGENT\\n\\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\\n\\t#ifdef FLIP_SIDED\\n\\t\\ttransformedTangent = - transformedTangent;\\n\\t#endif\\n#endif\";\n\nvar displacementmap_pars_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\tuniform sampler2D displacementMap;\\n\\tuniform float displacementScale;\\n\\tuniform float displacementBias;\\n#endif\";\n\nvar displacementmap_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );\\n#endif\";\n\nvar emissivemap_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\\n\\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\\n\\ttotalEmissiveRadiance *= emissiveColor.rgb;\\n#endif\";\n\nvar emissivemap_pars_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tuniform sampler2D emissiveMap;\\n#endif\";\n\nvar encodings_fragment = \"gl_FragColor = linearToOutputTexel( gl_FragColor );\";\n\nvar encodings_pars_fragment = \"\\nvec4 LinearToLinear( in vec4 value ) {\\n\\treturn value;\\n}\\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\\n\\treturn vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a );\\n}\\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\\n\\treturn vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a );\\n}\\nvec4 sRGBToLinear( in vec4 value ) {\\n\\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\\n}\\nvec4 LinearTosRGB( in vec4 value ) {\\n\\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\\n}\\nvec4 RGBEToLinear( in vec4 value ) {\\n\\treturn vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\\n}\\nvec4 LinearToRGBE( in vec4 value ) {\\n\\tfloat maxComponent = max( max( value.r, value.g ), value.b );\\n\\tfloat fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\\n\\treturn vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\\n}\\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\\n\\treturn vec4( value.rgb * value.a * maxRange, 1.0 );\\n}\\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\\n\\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\\n\\tfloat M = clamp( maxRGB / maxRange, 0.0, 1.0 );\\n\\tM = ceil( M * 255.0 ) / 255.0;\\n\\treturn vec4( value.rgb / ( M * maxRange ), M );\\n}\\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\\n\\treturn vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\\n}\\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\\n\\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\\n\\tfloat D = max( maxRange / maxRGB, 1.0 );\\n\\tD = clamp( floor( D ) / 255.0, 0.0, 1.0 );\\n\\treturn vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\\n}\";\n\nvar envmap_fragment = \"#ifdef USE_ENVMAP\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvec3 cameraToFrag;\\n\\t\\tif ( isOrthographic ) {\\n\\t\\t\\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\\n\\t\\t} else {\\n\\t\\t\\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\\n\\t\\t}\\n\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#else\\n\\t\\tvec3 reflectVec = vReflect;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\\n\\t\\tenvColor = envMapTexelToLinear( envColor );\\n\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\tvec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 );\\n\\t#else\\n\\t\\tvec4 envColor = vec4( 0.0 );\\n\\t#endif\\n\\t#ifdef ENVMAP_BLENDING_MULTIPLY\\n\\t\\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_MIX )\\n\\t\\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_ADD )\\n\\t\\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\\n\\t#endif\\n#endif\";\n\nvar envmap_common_pars_fragment = \"#ifdef USE_ENVMAP\\n\\tuniform float envMapIntensity;\\n\\tuniform float flipEnvMap;\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tuniform samplerCube envMap;\\n\\t#else\\n\\t\\tuniform sampler2D envMap;\\n\\t#endif\\n\\t\\n#endif\";\n\nvar envmap_pars_fragment = \"#ifdef USE_ENVMAP\\n\\tuniform float reflectivity;\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\t#define ENV_WORLDPOS\\n\\t#endif\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t\\tuniform float refractionRatio;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t#endif\\n#endif\";\n\nvar envmap_pars_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG )\\n\\t\\t#define ENV_WORLDPOS\\n\\t#endif\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\t\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t\\tuniform float refractionRatio;\\n\\t#endif\\n#endif\";\n\nvar envmap_vertex = \"#ifdef USE_ENVMAP\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvWorldPosition = worldPosition.xyz;\\n\\t#else\\n\\t\\tvec3 cameraToVertex;\\n\\t\\tif ( isOrthographic ) {\\n\\t\\t\\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\\n\\t\\t} else {\\n\\t\\t\\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\\n\\t\\t}\\n\\t\\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvReflect = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#endif\\n#endif\";\n\nvar fog_vertex = \"#ifdef USE_FOG\\n\\tvFogDepth = - mvPosition.z;\\n#endif\";\n\nvar fog_pars_vertex = \"#ifdef USE_FOG\\n\\tvarying float vFogDepth;\\n#endif\";\n\nvar fog_fragment = \"#ifdef USE_FOG\\n\\t#ifdef FOG_EXP2\\n\\t\\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\\n\\t#else\\n\\t\\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\\n\\t#endif\\n\\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\\n#endif\";\n\nvar fog_pars_fragment = \"#ifdef USE_FOG\\n\\tuniform vec3 fogColor;\\n\\tvarying float vFogDepth;\\n\\t#ifdef FOG_EXP2\\n\\t\\tuniform float fogDensity;\\n\\t#else\\n\\t\\tuniform float fogNear;\\n\\t\\tuniform float fogFar;\\n\\t#endif\\n#endif\";\n\nvar gradientmap_pars_fragment = \"#ifdef USE_GRADIENTMAP\\n\\tuniform sampler2D gradientMap;\\n#endif\\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\\n\\tfloat dotNL = dot( normal, lightDirection );\\n\\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\\n\\t#ifdef USE_GRADIENTMAP\\n\\t\\treturn texture2D( gradientMap, coord ).rgb;\\n\\t#else\\n\\t\\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\\n\\t#endif\\n}\";\n\nvar lightmap_fragment = \"#ifdef USE_LIGHTMAP\\n\\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\\n\\tvec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tlightMapIrradiance *= PI;\\n\\t#endif\\n\\treflectedLight.indirectDiffuse += lightMapIrradiance;\\n#endif\";\n\nvar lightmap_pars_fragment = \"#ifdef USE_LIGHTMAP\\n\\tuniform sampler2D lightMap;\\n\\tuniform float lightMapIntensity;\\n#endif\";\n\nvar lights_lambert_vertex = \"vec3 diffuse = vec3( 1.0 );\\nGeometricContext geometry;\\ngeometry.position = mvPosition.xyz;\\ngeometry.normal = normalize( transformedNormal );\\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz );\\nGeometricContext backGeometry;\\nbackGeometry.position = geometry.position;\\nbackGeometry.normal = -geometry.normal;\\nbackGeometry.viewDir = geometry.viewDir;\\nvLightFront = vec3( 0.0 );\\nvIndirectFront = vec3( 0.0 );\\n#ifdef DOUBLE_SIDED\\n\\tvLightBack = vec3( 0.0 );\\n\\tvIndirectBack = vec3( 0.0 );\\n#endif\\nIncidentLight directLight;\\nfloat dotNL;\\nvec3 directLightColor_Diffuse;\\nvIndirectFront += getAmbientLightIrradiance( ambientLightColor );\\nvIndirectFront += getLightProbeIrradiance( lightProbe, geometry.normal );\\n#ifdef DOUBLE_SIDED\\n\\tvIndirectBack += getAmbientLightIrradiance( ambientLightColor );\\n\\tvIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry.normal );\\n#endif\\n#if NUM_POINT_LIGHTS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tgetPointLightInfo( pointLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tgetSpotLightInfo( spotLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if NUM_DIR_LIGHTS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tgetDirectionalLightInfo( directionalLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\tvIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal );\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry.normal );\\n\\t\\t#endif\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\";\n\nvar lights_pars_begin = \"uniform bool receiveShadow;\\nuniform vec3 ambientLightColor;\\nuniform vec3 lightProbe[ 9 ];\\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\\n\\tfloat x = normal.x, y = normal.y, z = normal.z;\\n\\tvec3 result = shCoefficients[ 0 ] * 0.886227;\\n\\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\\n\\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\\n\\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\\n\\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\\n\\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\\n\\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\\n\\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\\n\\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\\n\\treturn result;\\n}\\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\\n\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\\n\\treturn irradiance;\\n}\\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\\n\\tvec3 irradiance = ambientLightColor;\\n\\treturn irradiance;\\n}\\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\\n\\t#if defined ( PHYSICALLY_CORRECT_LIGHTS )\\n\\t\\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\\n\\t\\tif ( cutoffDistance > 0.0 ) {\\n\\t\\t\\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\\n\\t\\t}\\n\\t\\treturn distanceFalloff;\\n\\t#else\\n\\t\\tif ( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\\n\\t\\t\\treturn pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent );\\n\\t\\t}\\n\\t\\treturn 1.0;\\n\\t#endif\\n}\\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\\n\\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\\n}\\n#if NUM_DIR_LIGHTS > 0\\n\\tstruct DirectionalLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t};\\n\\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\\n\\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight light ) {\\n\\t\\tlight.color = directionalLight.color;\\n\\t\\tlight.direction = directionalLight.direction;\\n\\t\\tlight.visible = true;\\n\\t}\\n#endif\\n#if NUM_POINT_LIGHTS > 0\\n\\tstruct PointLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t};\\n\\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\\n\\tvoid getPointLightInfo( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight light ) {\\n\\t\\tvec3 lVector = pointLight.position - geometry.position;\\n\\t\\tlight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tlight.color = pointLight.color;\\n\\t\\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\\n\\t\\tlight.visible = ( light.color != vec3( 0.0 ) );\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tstruct SpotLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tfloat coneCos;\\n\\t\\tfloat penumbraCos;\\n\\t};\\n\\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\\n\\tvoid getSpotLightInfo( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight light ) {\\n\\t\\tvec3 lVector = spotLight.position - geometry.position;\\n\\t\\tlight.direction = normalize( lVector );\\n\\t\\tfloat angleCos = dot( light.direction, spotLight.direction );\\n\\t\\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\\n\\t\\tif ( spotAttenuation > 0.0 ) {\\n\\t\\t\\tfloat lightDistance = length( lVector );\\n\\t\\t\\tlight.color = spotLight.color * spotAttenuation;\\n\\t\\t\\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\\n\\t\\t\\tlight.visible = ( light.color != vec3( 0.0 ) );\\n\\t\\t} else {\\n\\t\\t\\tlight.color = vec3( 0.0 );\\n\\t\\t\\tlight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_RECT_AREA_LIGHTS > 0\\n\\tstruct RectAreaLight {\\n\\t\\tvec3 color;\\n\\t\\tvec3 position;\\n\\t\\tvec3 halfWidth;\\n\\t\\tvec3 halfHeight;\\n\\t};\\n\\tuniform sampler2D ltc_1;\\tuniform sampler2D ltc_2;\\n\\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tstruct HemisphereLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 skyColor;\\n\\t\\tvec3 groundColor;\\n\\t};\\n\\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\\n\\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\\n\\t\\tfloat dotNL = dot( normal, hemiLight.direction );\\n\\t\\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\\n\\t\\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\\n\\t\\treturn irradiance;\\n\\t}\\n#endif\";\n\nvar envmap_physical_pars_fragment = \"#if defined( USE_ENVMAP )\\n\\t#ifdef ENVMAP_MODE_REFRACTION\\n\\t\\tuniform float refractionRatio;\\n\\t#endif\\n\\tvec3 getIBLIrradiance( const in vec3 normal ) {\\n\\t\\t#if defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\\n\\t\\t\\treturn PI * envMapColor.rgb * envMapIntensity;\\n\\t\\t#else\\n\\t\\t\\treturn vec3( 0.0 );\\n\\t\\t#endif\\n\\t}\\n\\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\\n\\t\\t#if defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 reflectVec;\\n\\t\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\t\\treflectVec = reflect( - viewDir, normal );\\n\\t\\t\\t\\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\\n\\t\\t\\t#else\\n\\t\\t\\t\\treflectVec = refract( - viewDir, normal, refractionRatio );\\n\\t\\t\\t#endif\\n\\t\\t\\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\\n\\t\\t\\treturn envMapColor.rgb * envMapIntensity;\\n\\t\\t#else\\n\\t\\t\\treturn vec3( 0.0 );\\n\\t\\t#endif\\n\\t}\\n#endif\";\n\nvar lights_toon_fragment = \"ToonMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\";\n\nvar lights_toon_pars_fragment = \"varying vec3 vViewPosition;\\nstruct ToonMaterial {\\n\\tvec3 diffuseColor;\\n};\\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Toon\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Toon\\n#define Material_LightProbeLOD( material )\\t(0)\";\n\nvar lights_phong_fragment = \"BlinnPhongMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\\nmaterial.specularColor = specular;\\nmaterial.specularShininess = shininess;\\nmaterial.specularStrength = specularStrength;\";\n\nvar lights_phong_pars_fragment = \"varying vec3 vViewPosition;\\nstruct BlinnPhongMaterial {\\n\\tvec3 diffuseColor;\\n\\tvec3 specularColor;\\n\\tfloat specularShininess;\\n\\tfloat specularStrength;\\n};\\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n\\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularShininess ) * material.specularStrength;\\n}\\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_BlinnPhong\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_BlinnPhong\\n#define Material_LightProbeLOD( material )\\t(0)\";\n\nvar lights_physical_fragment = \"PhysicalMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\\nmaterial.roughness = min( material.roughness, 1.0 );\\n#ifdef IOR\\n\\t#ifdef SPECULAR\\n\\t\\tfloat specularIntensityFactor = specularIntensity;\\n\\t\\tvec3 specularColorFactor = specularColor;\\n\\t\\t#ifdef USE_SPECULARINTENSITYMAP\\n\\t\\t\\tspecularIntensityFactor *= texture2D( specularIntensityMap, vUv ).a;\\n\\t\\t#endif\\n\\t\\t#ifdef USE_SPECULARCOLORMAP\\n\\t\\t\\tspecularColorFactor *= specularColorMapTexelToLinear( texture2D( specularColorMap, vUv ) ).rgb;\\n\\t\\t#endif\\n\\t\\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\\n\\t#else\\n\\t\\tfloat specularIntensityFactor = 1.0;\\n\\t\\tvec3 specularColorFactor = vec3( 1.0 );\\n\\t\\tmaterial.specularF90 = 1.0;\\n\\t#endif\\n\\tmaterial.specularColor = mix( min( pow2( ( ior - 1.0 ) / ( ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\\n#else\\n\\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\\n\\tmaterial.specularF90 = 1.0;\\n#endif\\n#ifdef USE_CLEARCOAT\\n\\tmaterial.clearcoat = clearcoat;\\n\\tmaterial.clearcoatRoughness = clearcoatRoughness;\\n\\tmaterial.clearcoatF0 = vec3( 0.04 );\\n\\tmaterial.clearcoatF90 = 1.0;\\n\\t#ifdef USE_CLEARCOATMAP\\n\\t\\tmaterial.clearcoat *= texture2D( clearcoatMap, vUv ).x;\\n\\t#endif\\n\\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\t\\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y;\\n\\t#endif\\n\\tmaterial.clearcoat = saturate( material.clearcoat );\\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\\n\\tmaterial.clearcoatRoughness += geometryRoughness;\\n\\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\\n#endif\\n#ifdef USE_SHEEN\\n\\tmaterial.sheenColor = sheenColor;\\n\\t#ifdef USE_SHEENCOLORMAP\\n\\t\\tmaterial.sheenColor *= sheenColorMapTexelToLinear( texture2D( sheenColorMap, vUv ) ).rgb;\\n\\t#endif\\n\\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\\n\\t#ifdef USE_SHEENROUGHNESSMAP\\n\\t\\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vUv ).a;\\n\\t#endif\\n#endif\";\n\nvar lights_physical_pars_fragment = \"struct PhysicalMaterial {\\n\\tvec3 diffuseColor;\\n\\tfloat roughness;\\n\\tvec3 specularColor;\\n\\tfloat specularF90;\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat clearcoat;\\n\\t\\tfloat clearcoatRoughness;\\n\\t\\tvec3 clearcoatF0;\\n\\t\\tfloat clearcoatF90;\\n\\t#endif\\n\\t#ifdef USE_SHEEN\\n\\t\\tvec3 sheenColor;\\n\\t\\tfloat sheenRoughness;\\n\\t#endif\\n};\\nvec3 clearcoatSpecular = vec3( 0.0 );\\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\\n\\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\\n\\tvec4 r = roughness * c0 + c1;\\n\\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\\n\\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\\n\\treturn fab;\\n}\\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\\n\\tvec2 fab = DFGApprox( normal, viewDir, roughness );\\n\\treturn specularColor * fab.x + specularF90 * fab.y;\\n}\\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\\n\\tvec2 fab = DFGApprox( normal, viewDir, roughness );\\n\\tvec3 FssEss = specularColor * fab.x + specularF90 * fab.y;\\n\\tfloat Ess = fab.x + fab.y;\\n\\tfloat Ems = 1.0 - Ess;\\n\\tvec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619;\\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\\n\\tsingleScatter += FssEss;\\n\\tmultiScatter += Fms * Ems;\\n}\\n#if NUM_RECT_AREA_LIGHTS > 0\\n\\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\t\\tvec3 normal = geometry.normal;\\n\\t\\tvec3 viewDir = geometry.viewDir;\\n\\t\\tvec3 position = geometry.position;\\n\\t\\tvec3 lightPos = rectAreaLight.position;\\n\\t\\tvec3 halfWidth = rectAreaLight.halfWidth;\\n\\t\\tvec3 halfHeight = rectAreaLight.halfHeight;\\n\\t\\tvec3 lightColor = rectAreaLight.color;\\n\\t\\tfloat roughness = material.roughness;\\n\\t\\tvec3 rectCoords[ 4 ];\\n\\t\\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\\t\\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\\n\\t\\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\\n\\t\\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\\n\\t\\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\\n\\t\\tvec4 t1 = texture2D( ltc_1, uv );\\n\\t\\tvec4 t2 = texture2D( ltc_2, uv );\\n\\t\\tmat3 mInv = mat3(\\n\\t\\t\\tvec3( t1.x, 0, t1.y ),\\n\\t\\t\\tvec3( 0, 1, 0 ),\\n\\t\\t\\tvec3( t1.z, 0, t1.w )\\n\\t\\t);\\n\\t\\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\\n\\t\\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\\n\\t\\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\\n\\t}\\n#endif\\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat dotNLcc = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\\n\\t\\tvec3 ccIrradiance = dotNLcc * directLight.color;\\n\\t\\tclearcoatSpecular += ccIrradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.clearcoatNormal, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\\n\\t#endif\\n\\t#ifdef USE_SHEEN\\n\\t\\treflectedLight.directSpecular += irradiance * BRDF_Sheen( directLight.direction, geometry.viewDir, geometry.normal, material.sheenColor, material.sheenRoughness );\\n\\t#endif\\n\\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.roughness );\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tclearcoatSpecular += clearcoatRadiance * EnvironmentBRDF( geometry.clearcoatNormal, geometry.viewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\\n\\t#endif\\n\\tvec3 singleScattering = vec3( 0.0 );\\n\\tvec3 multiScattering = vec3( 0.0 );\\n\\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\\n\\tcomputeMultiscattering( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\\n\\tvec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) );\\n\\treflectedLight.indirectSpecular += radiance * singleScattering;\\n\\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\\n\\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Physical\\n#define RE_Direct_RectArea\\t\\tRE_Direct_RectArea_Physical\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Physical\\n#define RE_IndirectSpecular\\t\\tRE_IndirectSpecular_Physical\\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\\n\\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\\n}\";\n\nvar lights_fragment_begin = \"\\nGeometricContext geometry;\\ngeometry.position = - vViewPosition;\\ngeometry.normal = normal;\\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\\n#ifdef USE_CLEARCOAT\\n\\tgeometry.clearcoatNormal = clearcoatNormal;\\n#endif\\nIncidentLight directLight;\\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tPointLight pointLight;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\\n\\tPointLightShadow pointLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tgetPointLightInfo( pointLight, geometry, directLight );\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\\n\\t\\tpointLightShadow = pointLightShadows[ i ];\\n\\t\\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tSpotLight spotLight;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\\n\\tSpotLightShadow spotLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tgetSpotLightInfo( spotLight, geometry, directLight );\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\\n\\t\\tspotLightShadow = spotLightShadows[ i ];\\n\\t\\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tDirectionalLight directionalLight;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\\n\\tDirectionalLightShadow directionalLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tgetDirectionalLightInfo( directionalLight, geometry, directLight );\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\\n\\t\\tdirectionalLightShadow = directionalLightShadows[ i ];\\n\\t\\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\\n\\tRectAreaLight rectAreaLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\\n\\t\\trectAreaLight = rectAreaLights[ i ];\\n\\t\\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if defined( RE_IndirectDiffuse )\\n\\tvec3 iblIrradiance = vec3( 0.0 );\\n\\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\\n\\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\\n\\t#if ( NUM_HEMI_LIGHTS > 0 )\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\t\\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal );\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t#endif\\n#endif\\n#if defined( RE_IndirectSpecular )\\n\\tvec3 radiance = vec3( 0.0 );\\n\\tvec3 clearcoatRadiance = vec3( 0.0 );\\n#endif\";\n\nvar lights_fragment_maps = \"#if defined( RE_IndirectDiffuse )\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\\n\\t\\tvec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\\n\\t\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\t\\tlightMapIrradiance *= PI;\\n\\t\\t#endif\\n\\t\\tirradiance += lightMapIrradiance;\\n\\t#endif\\n\\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\tiblIrradiance += getIBLIrradiance( geometry.normal );\\n\\t#endif\\n#endif\\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\\n\\tradiance += getIBLRadiance( geometry.viewDir, geometry.normal, material.roughness );\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tclearcoatRadiance += getIBLRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness );\\n\\t#endif\\n#endif\";\n\nvar lights_fragment_end = \"#if defined( RE_IndirectDiffuse )\\n\\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\\n#endif\\n#if defined( RE_IndirectSpecular )\\n\\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\\n#endif\";\n\nvar logdepthbuf_fragment = \"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\\n\\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\\n#endif\";\n\nvar logdepthbuf_pars_fragment = \"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\\n\\tuniform float logDepthBufFC;\\n\\tvarying float vFragDepth;\\n\\tvarying float vIsPerspective;\\n#endif\";\n\nvar logdepthbuf_pars_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvarying float vFragDepth;\\n\\t\\tvarying float vIsPerspective;\\n\\t#else\\n\\t\\tuniform float logDepthBufFC;\\n\\t#endif\\n#endif\";\n\nvar logdepthbuf_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvFragDepth = 1.0 + gl_Position.w;\\n\\t\\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\\n\\t#else\\n\\t\\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\\n\\t\\t\\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\\n\\t\\t\\tgl_Position.z *= gl_Position.w;\\n\\t\\t}\\n\\t#endif\\n#endif\";\n\nvar map_fragment = \"#ifdef USE_MAP\\n\\tvec4 texelColor = texture2D( map, vUv );\\n\\ttexelColor = mapTexelToLinear( texelColor );\\n\\tdiffuseColor *= texelColor;\\n#endif\";\n\nvar map_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\";\n\nvar map_particle_fragment = \"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\\n\\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\\n#endif\\n#ifdef USE_MAP\\n\\tvec4 mapTexel = texture2D( map, uv );\\n\\tdiffuseColor *= mapTexelToLinear( mapTexel );\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\\n#endif\";\n\nvar map_particle_pars_fragment = \"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\\n\\tuniform mat3 uvTransform;\\n#endif\\n#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\";\n\nvar metalnessmap_fragment = \"float metalnessFactor = metalness;\\n#ifdef USE_METALNESSMAP\\n\\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\\n\\tmetalnessFactor *= texelMetalness.b;\\n#endif\";\n\nvar metalnessmap_pars_fragment = \"#ifdef USE_METALNESSMAP\\n\\tuniform sampler2D metalnessMap;\\n#endif\";\n\nvar morphnormal_vertex = \"#ifdef USE_MORPHNORMALS\\n\\tobjectNormal *= morphTargetBaseInfluence;\\n\\t#ifdef MORPHTARGETS_TEXTURE\\n\\t\\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\\n\\t\\t\\tif ( morphTargetInfluences[ i ] > 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1, 2 ) * morphTargetInfluences[ i ];\\n\\t\\t}\\n\\t#else\\n\\t\\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\\n\\t\\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\\n\\t\\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\\n\\t\\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\\n\\t#endif\\n#endif\";\n\nvar morphtarget_pars_vertex = \"#ifdef USE_MORPHTARGETS\\n\\tuniform float morphTargetBaseInfluence;\\n\\t#ifdef MORPHTARGETS_TEXTURE\\n\\t\\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\\n\\t\\tuniform sampler2DArray morphTargetsTexture;\\n\\t\\tuniform vec2 morphTargetsTextureSize;\\n\\t\\tvec3 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset, const in int stride ) {\\n\\t\\t\\tfloat texelIndex = float( vertexIndex * stride + offset );\\n\\t\\t\\tfloat y = floor( texelIndex / morphTargetsTextureSize.x );\\n\\t\\t\\tfloat x = texelIndex - y * morphTargetsTextureSize.x;\\n\\t\\t\\tvec3 morphUV = vec3( ( x + 0.5 ) / morphTargetsTextureSize.x, y / morphTargetsTextureSize.y, morphTargetIndex );\\n\\t\\t\\treturn texture( morphTargetsTexture, morphUV ).xyz;\\n\\t\\t}\\n\\t#else\\n\\t\\t#ifndef USE_MORPHNORMALS\\n\\t\\t\\tuniform float morphTargetInfluences[ 8 ];\\n\\t\\t#else\\n\\t\\t\\tuniform float morphTargetInfluences[ 4 ];\\n\\t\\t#endif\\n\\t#endif\\n#endif\";\n\nvar morphtarget_vertex = \"#ifdef USE_MORPHTARGETS\\n\\ttransformed *= morphTargetBaseInfluence;\\n\\t#ifdef MORPHTARGETS_TEXTURE\\n\\t\\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\\n\\t\\t\\t#ifndef USE_MORPHNORMALS\\n\\t\\t\\t\\tif ( morphTargetInfluences[ i ] > 0.0 ) transformed += getMorph( gl_VertexID, i, 0, 1 ) * morphTargetInfluences[ i ];\\n\\t\\t\\t#else\\n\\t\\t\\t\\tif ( morphTargetInfluences[ i ] > 0.0 ) transformed += getMorph( gl_VertexID, i, 0, 2 ) * morphTargetInfluences[ i ];\\n\\t\\t\\t#endif\\n\\t\\t}\\n\\t#else\\n\\t\\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\\n\\t\\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\\n\\t\\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\\n\\t\\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\\n\\t\\t#ifndef USE_MORPHNORMALS\\n\\t\\t\\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\\n\\t\\t\\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\\n\\t\\t\\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\\n\\t\\t\\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\\n\\t\\t#endif\\n\\t#endif\\n#endif\";\n\nvar normal_fragment_begin = \"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\\n#ifdef FLAT_SHADED\\n\\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\\n\\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\\n\\tvec3 normal = normalize( cross( fdx, fdy ) );\\n#else\\n\\tvec3 normal = normalize( vNormal );\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\tnormal = normal * faceDirection;\\n\\t#endif\\n\\t#ifdef USE_TANGENT\\n\\t\\tvec3 tangent = normalize( vTangent );\\n\\t\\tvec3 bitangent = normalize( vBitangent );\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\ttangent = tangent * faceDirection;\\n\\t\\t\\tbitangent = bitangent * faceDirection;\\n\\t\\t#endif\\n\\t\\t#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\\n\\t\\t\\tmat3 vTBN = mat3( tangent, bitangent, normal );\\n\\t\\t#endif\\n\\t#endif\\n#endif\\nvec3 geometryNormal = normal;\";\n\nvar normal_fragment_maps = \"#ifdef OBJECTSPACE_NORMALMAP\\n\\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\\n\\t#ifdef FLIP_SIDED\\n\\t\\tnormal = - normal;\\n\\t#endif\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\tnormal = normal * faceDirection;\\n\\t#endif\\n\\tnormal = normalize( normalMatrix * normal );\\n#elif defined( TANGENTSPACE_NORMALMAP )\\n\\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\\n\\tmapN.xy *= normalScale;\\n\\t#ifdef USE_TANGENT\\n\\t\\tnormal = normalize( vTBN * mapN );\\n\\t#else\\n\\t\\tnormal = perturbNormal2Arb( - vViewPosition, normal, mapN, faceDirection );\\n\\t#endif\\n#elif defined( USE_BUMPMAP )\\n\\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\\n#endif\";\n\nvar normal_pars_fragment = \"#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\tvarying vec3 vTangent;\\n\\t\\tvarying vec3 vBitangent;\\n\\t#endif\\n#endif\";\n\nvar normal_pars_vertex = \"#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\tvarying vec3 vTangent;\\n\\t\\tvarying vec3 vBitangent;\\n\\t#endif\\n#endif\";\n\nvar normal_vertex = \"#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n\\t#ifdef USE_TANGENT\\n\\t\\tvTangent = normalize( transformedTangent );\\n\\t\\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\\n\\t#endif\\n#endif\";\n\nvar normalmap_pars_fragment = \"#ifdef USE_NORMALMAP\\n\\tuniform sampler2D normalMap;\\n\\tuniform vec2 normalScale;\\n#endif\\n#ifdef OBJECTSPACE_NORMALMAP\\n\\tuniform mat3 normalMatrix;\\n#endif\\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\\n\\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN, float faceDirection ) {\\n\\t\\tvec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );\\n\\t\\tvec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );\\n\\t\\tvec2 st0 = dFdx( vUv.st );\\n\\t\\tvec2 st1 = dFdy( vUv.st );\\n\\t\\tvec3 N = surf_norm;\\n\\t\\tvec3 q1perp = cross( q1, N );\\n\\t\\tvec3 q0perp = cross( N, q0 );\\n\\t\\tvec3 T = q1perp * st0.x + q0perp * st1.x;\\n\\t\\tvec3 B = q1perp * st0.y + q0perp * st1.y;\\n\\t\\tfloat det = max( dot( T, T ), dot( B, B ) );\\n\\t\\tfloat scale = ( det == 0.0 ) ? 0.0 : faceDirection * inversesqrt( det );\\n\\t\\treturn normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z );\\n\\t}\\n#endif\";\n\nvar clearcoat_normal_fragment_begin = \"#ifdef USE_CLEARCOAT\\n\\tvec3 clearcoatNormal = geometryNormal;\\n#endif\";\n\nvar clearcoat_normal_fragment_maps = \"#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\\n\\tclearcoatMapN.xy *= clearcoatNormalScale;\\n\\t#ifdef USE_TANGENT\\n\\t\\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\\n\\t#else\\n\\t\\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection );\\n\\t#endif\\n#endif\";\n\nvar clearcoat_pars_fragment = \"#ifdef USE_CLEARCOATMAP\\n\\tuniform sampler2D clearcoatMap;\\n#endif\\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\tuniform sampler2D clearcoatRoughnessMap;\\n#endif\\n#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tuniform sampler2D clearcoatNormalMap;\\n\\tuniform vec2 clearcoatNormalScale;\\n#endif\";\n\nvar output_fragment = \"#ifdef OPAQUE\\ndiffuseColor.a = 1.0;\\n#endif\\n#ifdef USE_TRANSMISSION\\ndiffuseColor.a *= transmissionAlpha + 0.1;\\n#endif\\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );\";\n\nvar packing = \"vec3 packNormalToRGB( const in vec3 normal ) {\\n\\treturn normalize( normal ) * 0.5 + 0.5;\\n}\\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\\n\\treturn 2.0 * rgb.xyz - 1.0;\\n}\\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\\nconst float ShiftRight8 = 1. / 256.;\\nvec4 packDepthToRGBA( const in float v ) {\\n\\tvec4 r = vec4( fract( v * PackFactors ), v );\\n\\tr.yzw -= r.xyz * ShiftRight8;\\treturn r * PackUpscale;\\n}\\nfloat unpackRGBAToDepth( const in vec4 v ) {\\n\\treturn dot( v, UnpackFactors );\\n}\\nvec4 pack2HalfToRGBA( vec2 v ) {\\n\\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\\n\\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\\n}\\nvec2 unpackRGBATo2Half( vec4 v ) {\\n\\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\\n}\\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\\n\\treturn ( viewZ + near ) / ( near - far );\\n}\\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\\n\\treturn linearClipZ * ( near - far ) - near;\\n}\\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\\n\\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\\n}\\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\\n\\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\\n}\";\n\nvar premultiplied_alpha_fragment = \"#ifdef PREMULTIPLIED_ALPHA\\n\\tgl_FragColor.rgb *= gl_FragColor.a;\\n#endif\";\n\nvar project_vertex = \"vec4 mvPosition = vec4( transformed, 1.0 );\\n#ifdef USE_INSTANCING\\n\\tmvPosition = instanceMatrix * mvPosition;\\n#endif\\nmvPosition = modelViewMatrix * mvPosition;\\ngl_Position = projectionMatrix * mvPosition;\";\n\nvar dithering_fragment = \"#ifdef DITHERING\\n\\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\\n#endif\";\n\nvar dithering_pars_fragment = \"#ifdef DITHERING\\n\\tvec3 dithering( vec3 color ) {\\n\\t\\tfloat grid_position = rand( gl_FragCoord.xy );\\n\\t\\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\\n\\t\\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\\n\\t\\treturn color + dither_shift_RGB;\\n\\t}\\n#endif\";\n\nvar roughnessmap_fragment = \"float roughnessFactor = roughness;\\n#ifdef USE_ROUGHNESSMAP\\n\\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\\n\\troughnessFactor *= texelRoughness.g;\\n#endif\";\n\nvar roughnessmap_pars_fragment = \"#ifdef USE_ROUGHNESSMAP\\n\\tuniform sampler2D roughnessMap;\\n#endif\";\n\nvar shadowmap_pars_fragment = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tstruct DirectionalLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tstruct SpotLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tstruct PointLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t\\tfloat shadowCameraNear;\\n\\t\\t\\tfloat shadowCameraFar;\\n\\t\\t};\\n\\t\\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\\n\\t\\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\\n\\t}\\n\\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\\n\\t\\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\\n\\t}\\n\\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\\n\\t\\tfloat occlusion = 1.0;\\n\\t\\tvec2 distribution = texture2DDistribution( shadow, uv );\\n\\t\\tfloat hard_shadow = step( compare , distribution.x );\\n\\t\\tif (hard_shadow != 1.0 ) {\\n\\t\\t\\tfloat distance = compare - distribution.x ;\\n\\t\\t\\tfloat variance = max( 0.00000, distribution.y * distribution.y );\\n\\t\\t\\tfloat softness_probability = variance / (variance + distance * distance );\\t\\t\\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\\t\\t\\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\\n\\t\\t}\\n\\t\\treturn occlusion;\\n\\t}\\n\\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tfloat shadow = 1.0;\\n\\t\\tshadowCoord.xyz /= shadowCoord.w;\\n\\t\\tshadowCoord.z += shadowBias;\\n\\t\\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\\n\\t\\tbool inFrustum = all( inFrustumVec );\\n\\t\\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\\n\\t\\tbool frustumTest = all( frustumTestVec );\\n\\t\\tif ( frustumTest ) {\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx2 = dx0 / 2.0;\\n\\t\\t\\tfloat dy2 = dy0 / 2.0;\\n\\t\\t\\tfloat dx3 = dx1 / 2.0;\\n\\t\\t\\tfloat dy3 = dy1 / 2.0;\\n\\t\\t\\tshadow = (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 17.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx = texelSize.x;\\n\\t\\t\\tfloat dy = texelSize.y;\\n\\t\\t\\tvec2 uv = shadowCoord.xy;\\n\\t\\t\\tvec2 f = fract( uv * shadowMapSize + 0.5 );\\n\\t\\t\\tuv -= f * texelSize;\\n\\t\\t\\tshadow = (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.x ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.x ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.y ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.y ) +\\n\\t\\t\\t\\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t f.x ),\\n\\t\\t\\t\\t\\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t f.x ),\\n\\t\\t\\t\\t\\t f.y )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_VSM )\\n\\t\\t\\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#else\\n\\t\\t\\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#endif\\n\\t\\t}\\n\\t\\treturn shadow;\\n\\t}\\n\\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\\n\\t\\tvec3 absV = abs( v );\\n\\t\\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\\n\\t\\tabsV *= scaleToCube;\\n\\t\\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\\n\\t\\tvec2 planar = v.xy;\\n\\t\\tfloat almostATexel = 1.5 * texelSizeY;\\n\\t\\tfloat almostOne = 1.0 - almostATexel;\\n\\t\\tif ( absV.z >= almostOne ) {\\n\\t\\t\\tif ( v.z > 0.0 )\\n\\t\\t\\t\\tplanar.x = 4.0 - v.x;\\n\\t\\t} else if ( absV.x >= almostOne ) {\\n\\t\\t\\tfloat signX = sign( v.x );\\n\\t\\t\\tplanar.x = v.z * signX + 2.0 * signX;\\n\\t\\t} else if ( absV.y >= almostOne ) {\\n\\t\\t\\tfloat signY = sign( v.y );\\n\\t\\t\\tplanar.x = v.x + 2.0 * signY + 2.0;\\n\\t\\t\\tplanar.y = v.z * signY - 2.0;\\n\\t\\t}\\n\\t\\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\\n\\t}\\n\\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\\n\\t\\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\\n\\t\\tvec3 lightToPosition = shadowCoord.xyz;\\n\\t\\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\\t\\tdp += shadowBias;\\n\\t\\tvec3 bd3D = normalize( lightToPosition );\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\\n\\t\\t\\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#else\\n\\t\\t\\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\\n\\t\\t#endif\\n\\t}\\n#endif\";\n\nvar shadowmap_pars_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t\\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tstruct DirectionalLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\t\\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tstruct SpotLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tstruct PointLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t\\tfloat shadowCameraNear;\\n\\t\\t\\tfloat shadowCameraFar;\\n\\t\\t};\\n\\t\\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t#endif\\n#endif\";\n\nvar shadowmap_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\t\\tvec4 shadowWorldPosition;\\n\\t#endif\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\\n\\t\\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias, 0 );\\n\\t\\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * shadowWorldPosition;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\\n\\t\\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n#endif\";\n\nvar shadowmask_pars_fragment = \"float getShadowMask() {\\n\\tfloat shadow = 1.0;\\n\\t#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\tDirectionalLightShadow directionalLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\tSpotLightShadow spotLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tspotLight = spotLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\tPointLightShadow pointLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tpointLight = pointLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#endif\\n\\treturn shadow;\\n}\";\n\nvar skinbase_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\\n\\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\\n\\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\\n\\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\\n#endif\";\n\nvar skinning_pars_vertex = \"#ifdef USE_SKINNING\\n\\tuniform mat4 bindMatrix;\\n\\tuniform mat4 bindMatrixInverse;\\n\\t#ifdef BONE_TEXTURE\\n\\t\\tuniform highp sampler2D boneTexture;\\n\\t\\tuniform int boneTextureSize;\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tfloat j = i * 4.0;\\n\\t\\t\\tfloat x = mod( j, float( boneTextureSize ) );\\n\\t\\t\\tfloat y = floor( j / float( boneTextureSize ) );\\n\\t\\t\\tfloat dx = 1.0 / float( boneTextureSize );\\n\\t\\t\\tfloat dy = 1.0 / float( boneTextureSize );\\n\\t\\t\\ty = dy * ( y + 0.5 );\\n\\t\\t\\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\\n\\t\\t\\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\\n\\t\\t\\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\\n\\t\\t\\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\\n\\t\\t\\tmat4 bone = mat4( v1, v2, v3, v4 );\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#else\\n\\t\\tuniform mat4 boneMatrices[ MAX_BONES ];\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tmat4 bone = boneMatrices[ int(i) ];\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#endif\\n#endif\";\n\nvar skinning_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\\n\\tvec4 skinned = vec4( 0.0 );\\n\\tskinned += boneMatX * skinVertex * skinWeight.x;\\n\\tskinned += boneMatY * skinVertex * skinWeight.y;\\n\\tskinned += boneMatZ * skinVertex * skinWeight.z;\\n\\tskinned += boneMatW * skinVertex * skinWeight.w;\\n\\ttransformed = ( bindMatrixInverse * skinned ).xyz;\\n#endif\";\n\nvar skinnormal_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 skinMatrix = mat4( 0.0 );\\n\\tskinMatrix += skinWeight.x * boneMatX;\\n\\tskinMatrix += skinWeight.y * boneMatY;\\n\\tskinMatrix += skinWeight.z * boneMatZ;\\n\\tskinMatrix += skinWeight.w * boneMatW;\\n\\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\\n\\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\\n\\t#ifdef USE_TANGENT\\n\\t\\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\\n\\t#endif\\n#endif\";\n\nvar specularmap_fragment = \"float specularStrength;\\n#ifdef USE_SPECULARMAP\\n\\tvec4 texelSpecular = texture2D( specularMap, vUv );\\n\\tspecularStrength = texelSpecular.r;\\n#else\\n\\tspecularStrength = 1.0;\\n#endif\";\n\nvar specularmap_pars_fragment = \"#ifdef USE_SPECULARMAP\\n\\tuniform sampler2D specularMap;\\n#endif\";\n\nvar tonemapping_fragment = \"#if defined( TONE_MAPPING )\\n\\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\\n#endif\";\n\nvar tonemapping_pars_fragment = \"#ifndef saturate\\n#define saturate( a ) clamp( a, 0.0, 1.0 )\\n#endif\\nuniform float toneMappingExposure;\\nvec3 LinearToneMapping( vec3 color ) {\\n\\treturn toneMappingExposure * color;\\n}\\nvec3 ReinhardToneMapping( vec3 color ) {\\n\\tcolor *= toneMappingExposure;\\n\\treturn saturate( color / ( vec3( 1.0 ) + color ) );\\n}\\nvec3 OptimizedCineonToneMapping( vec3 color ) {\\n\\tcolor *= toneMappingExposure;\\n\\tcolor = max( vec3( 0.0 ), color - 0.004 );\\n\\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\\n}\\nvec3 RRTAndODTFit( vec3 v ) {\\n\\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\\n\\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\\n\\treturn a / b;\\n}\\nvec3 ACESFilmicToneMapping( vec3 color ) {\\n\\tconst mat3 ACESInputMat = mat3(\\n\\t\\tvec3( 0.59719, 0.07600, 0.02840 ),\\t\\tvec3( 0.35458, 0.90834, 0.13383 ),\\n\\t\\tvec3( 0.04823, 0.01566, 0.83777 )\\n\\t);\\n\\tconst mat3 ACESOutputMat = mat3(\\n\\t\\tvec3( 1.60475, -0.10208, -0.00327 ),\\t\\tvec3( -0.53108, 1.10813, -0.07276 ),\\n\\t\\tvec3( -0.07367, -0.00605, 1.07602 )\\n\\t);\\n\\tcolor *= toneMappingExposure / 0.6;\\n\\tcolor = ACESInputMat * color;\\n\\tcolor = RRTAndODTFit( color );\\n\\tcolor = ACESOutputMat * color;\\n\\treturn saturate( color );\\n}\\nvec3 CustomToneMapping( vec3 color ) { return color; }\";\n\nvar transmission_fragment = \"#ifdef USE_TRANSMISSION\\n\\tfloat transmissionAlpha = 1.0;\\n\\tfloat transmissionFactor = transmission;\\n\\tfloat thicknessFactor = thickness;\\n\\t#ifdef USE_TRANSMISSIONMAP\\n\\t\\ttransmissionFactor *= texture2D( transmissionMap, vUv ).r;\\n\\t#endif\\n\\t#ifdef USE_THICKNESSMAP\\n\\t\\tthicknessFactor *= texture2D( thicknessMap, vUv ).g;\\n\\t#endif\\n\\tvec3 pos = vWorldPosition;\\n\\tvec3 v = normalize( cameraPosition - pos );\\n\\tvec3 n = inverseTransformDirection( normal, viewMatrix );\\n\\tvec4 transmission = getIBLVolumeRefraction(\\n\\t\\tn, v, roughnessFactor, material.diffuseColor, material.specularColor, material.specularF90,\\n\\t\\tpos, modelMatrix, viewMatrix, projectionMatrix, ior, thicknessFactor,\\n\\t\\tattenuationColor, attenuationDistance );\\n\\ttotalDiffuse = mix( totalDiffuse, transmission.rgb, transmissionFactor );\\n\\ttransmissionAlpha = mix( transmissionAlpha, transmission.a, transmissionFactor );\\n#endif\";\n\nvar transmission_pars_fragment = \"#ifdef USE_TRANSMISSION\\n\\tuniform float transmission;\\n\\tuniform float thickness;\\n\\tuniform float attenuationDistance;\\n\\tuniform vec3 attenuationColor;\\n\\t#ifdef USE_TRANSMISSIONMAP\\n\\t\\tuniform sampler2D transmissionMap;\\n\\t#endif\\n\\t#ifdef USE_THICKNESSMAP\\n\\t\\tuniform sampler2D thicknessMap;\\n\\t#endif\\n\\tuniform vec2 transmissionSamplerSize;\\n\\tuniform sampler2D transmissionSamplerMap;\\n\\tuniform mat4 modelMatrix;\\n\\tuniform mat4 projectionMatrix;\\n\\tvarying vec3 vWorldPosition;\\n\\tvec3 getVolumeTransmissionRay( vec3 n, vec3 v, float thickness, float ior, mat4 modelMatrix ) {\\n\\t\\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\\n\\t\\tvec3 modelScale;\\n\\t\\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\\n\\t\\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\\n\\t\\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\\n\\t\\treturn normalize( refractionVector ) * thickness * modelScale;\\n\\t}\\n\\tfloat applyIorToRoughness( float roughness, float ior ) {\\n\\t\\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\\n\\t}\\n\\tvec4 getTransmissionSample( vec2 fragCoord, float roughness, float ior ) {\\n\\t\\tfloat framebufferLod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\\n\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\treturn texture2DLodEXT( transmissionSamplerMap, fragCoord.xy, framebufferLod );\\n\\t\\t#else\\n\\t\\t\\treturn texture2D( transmissionSamplerMap, fragCoord.xy, framebufferLod );\\n\\t\\t#endif\\n\\t}\\n\\tvec3 applyVolumeAttenuation( vec3 radiance, float transmissionDistance, vec3 attenuationColor, float attenuationDistance ) {\\n\\t\\tif ( attenuationDistance == 0.0 ) {\\n\\t\\t\\treturn radiance;\\n\\t\\t} else {\\n\\t\\t\\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\\n\\t\\t\\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\\t\\t\\treturn transmittance * radiance;\\n\\t\\t}\\n\\t}\\n\\tvec4 getIBLVolumeRefraction( vec3 n, vec3 v, float roughness, vec3 diffuseColor, vec3 specularColor, float specularF90,\\n\\t\\tvec3 position, mat4 modelMatrix, mat4 viewMatrix, mat4 projMatrix, float ior, float thickness,\\n\\t\\tvec3 attenuationColor, float attenuationDistance ) {\\n\\t\\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\\n\\t\\tvec3 refractedRayExit = position + transmissionRay;\\n\\t\\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\\n\\t\\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\\n\\t\\trefractionCoords += 1.0;\\n\\t\\trefractionCoords /= 2.0;\\n\\t\\tvec4 transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\\n\\t\\tvec3 attenuatedColor = applyVolumeAttenuation( transmittedLight.rgb, length( transmissionRay ), attenuationColor, attenuationDistance );\\n\\t\\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\\n\\t\\treturn vec4( ( 1.0 - F ) * attenuatedColor * diffuseColor, transmittedLight.a );\\n\\t}\\n#endif\";\n\nvar uv_pars_fragment = \"#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\\n\\tvarying vec2 vUv;\\n#endif\";\n\nvar uv_pars_vertex = \"#ifdef USE_UV\\n\\t#ifdef UVS_VERTEX_ONLY\\n\\t\\tvec2 vUv;\\n\\t#else\\n\\t\\tvarying vec2 vUv;\\n\\t#endif\\n\\tuniform mat3 uvTransform;\\n#endif\";\n\nvar uv_vertex = \"#ifdef USE_UV\\n\\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\\n#endif\";\n\nvar uv2_pars_fragment = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvarying vec2 vUv2;\\n#endif\";\n\nvar uv2_pars_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tattribute vec2 uv2;\\n\\tvarying vec2 vUv2;\\n\\tuniform mat3 uv2Transform;\\n#endif\";\n\nvar uv2_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;\\n#endif\";\n\nvar worldpos_vertex = \"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION )\\n\\tvec4 worldPosition = vec4( transformed, 1.0 );\\n\\t#ifdef USE_INSTANCING\\n\\t\\tworldPosition = instanceMatrix * worldPosition;\\n\\t#endif\\n\\tworldPosition = modelMatrix * worldPosition;\\n#endif\";\n\nconst vertex$g = \"varying vec2 vUv;\\nuniform mat3 uvTransform;\\nvoid main() {\\n\\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\\n\\tgl_Position = vec4( position.xy, 1.0, 1.0 );\\n}\";\n\nconst fragment$g = \"uniform sampler2D t2D;\\nvarying vec2 vUv;\\nvoid main() {\\n\\tvec4 texColor = texture2D( t2D, vUv );\\n\\tgl_FragColor = mapTexelToLinear( texColor );\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$f = \"varying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvWorldDirection = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n\\tgl_Position.z = gl_Position.w;\\n}\";\n\nconst fragment$f = \"#include \\nuniform float opacity;\\nvarying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvec3 vReflect = vWorldDirection;\\n\\t#include \\n\\tgl_FragColor = envColor;\\n\\tgl_FragColor.a *= opacity;\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$e = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvarying vec2 vHighPrecisionZW;\\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#ifdef USE_DISPLACEMENTMAP\\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvHighPrecisionZW = gl_Position.zw;\\n}\";\n\nconst fragment$e = \"#if DEPTH_PACKING == 3200\\n\\tuniform float opacity;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvarying vec2 vHighPrecisionZW;\\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tdiffuseColor.a = opacity;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\\n\\t#elif DEPTH_PACKING == 3201\\n\\t\\tgl_FragColor = packDepthToRGBA( fragCoordZ );\\n\\t#endif\\n}\";\n\nconst vertex$d = \"#define DISTANCE\\nvarying vec3 vWorldPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#ifdef USE_DISPLACEMENTMAP\\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvWorldPosition = worldPosition.xyz;\\n}\";\n\nconst fragment$d = \"#define DISTANCE\\nuniform vec3 referencePosition;\\nuniform float nearDistance;\\nuniform float farDistance;\\nvarying vec3 vWorldPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main () {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\tfloat dist = length( vWorldPosition - referencePosition );\\n\\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\\n\\tdist = saturate( dist );\\n\\tgl_FragColor = packDepthToRGBA( dist );\\n}\";\n\nconst vertex$c = \"varying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvWorldDirection = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$c = \"uniform sampler2D tEquirect;\\nvarying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvec3 direction = normalize( vWorldDirection );\\n\\tvec2 sampleUV = equirectUv( direction );\\n\\tvec4 texColor = texture2D( tEquirect, sampleUV );\\n\\tgl_FragColor = mapTexelToLinear( texColor );\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$b = \"uniform float scale;\\nattribute float lineDistance;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvLineDistance = scale * lineDistance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$b = \"uniform vec3 diffuse;\\nuniform float opacity;\\nuniform float dashSize;\\nuniform float totalSize;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\\n\\t\\tdiscard;\\n\\t}\\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$a = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$a = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\\n\\t\\treflectedLight.indirectDiffuse += lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\\n\\t#else\\n\\t\\treflectedLight.indirectDiffuse += vec3( 1.0 );\\n\\t#endif\\n\\t#include \\n\\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\\n\\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$9 = \"#define LAMBERT\\nvarying vec3 vLightFront;\\nvarying vec3 vIndirectFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n\\tvarying vec3 vIndirectBack;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$9 = \"uniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\nvarying vec3 vLightFront;\\nvarying vec3 vIndirectFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n\\tvarying vec3 vIndirectBack;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef DOUBLE_SIDED\\n\\t\\treflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack;\\n\\t#else\\n\\t\\treflectedLight.indirectDiffuse += vIndirectFront;\\n\\t#endif\\n\\t#include \\n\\treflectedLight.indirectDiffuse *= BRDF_Lambert( diffuseColor.rgb );\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\\n\\t#else\\n\\t\\treflectedLight.directDiffuse = vLightFront;\\n\\t#endif\\n\\treflectedLight.directDiffuse *= BRDF_Lambert( diffuseColor.rgb ) * getShadowMask();\\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$8 = \"#define MATCAP\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n}\";\n\nconst fragment$8 = \"#define MATCAP\\nuniform vec3 diffuse;\\nuniform float opacity;\\nuniform sampler2D matcap;\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 viewDir = normalize( vViewPosition );\\n\\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\\n\\tvec3 y = cross( viewDir, x );\\n\\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\\n\\t#ifdef USE_MATCAP\\n\\t\\tvec4 matcapColor = texture2D( matcap, uv );\\n\\t\\tmatcapColor = matcapTexelToLinear( matcapColor );\\n\\t#else\\n\\t\\tvec4 matcapColor = vec4( 1.0 );\\n\\t#endif\\n\\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$7 = \"#define NORMAL\\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\\n\\tvViewPosition = - mvPosition.xyz;\\n#endif\\n}\";\n\nconst fragment$7 = \"#define NORMAL\\nuniform float opacity;\\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\\n}\";\n\nconst vertex$6 = \"#define PHONG\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$6 = \"#define PHONG\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform vec3 specular;\\nuniform float shininess;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$5 = \"#define STANDARD\\nvarying vec3 vViewPosition;\\n#ifdef USE_TRANSMISSION\\n\\tvarying vec3 vWorldPosition;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n#ifdef USE_TRANSMISSION\\n\\tvWorldPosition = worldPosition.xyz;\\n#endif\\n}\";\n\nconst fragment$5 = \"#define STANDARD\\n#ifdef PHYSICAL\\n\\t#define IOR\\n\\t#define SPECULAR\\n#endif\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float roughness;\\nuniform float metalness;\\nuniform float opacity;\\n#ifdef IOR\\n\\tuniform float ior;\\n#endif\\n#ifdef SPECULAR\\n\\tuniform float specularIntensity;\\n\\tuniform vec3 specularColor;\\n\\t#ifdef USE_SPECULARINTENSITYMAP\\n\\t\\tuniform sampler2D specularIntensityMap;\\n\\t#endif\\n\\t#ifdef USE_SPECULARCOLORMAP\\n\\t\\tuniform sampler2D specularColorMap;\\n\\t#endif\\n#endif\\n#ifdef USE_CLEARCOAT\\n\\tuniform float clearcoat;\\n\\tuniform float clearcoatRoughness;\\n#endif\\n#ifdef USE_SHEEN\\n\\tuniform vec3 sheenColor;\\n\\tuniform float sheenRoughness;\\n\\t#ifdef USE_SHEENCOLORMAP\\n\\t\\tuniform sampler2D sheenColorMap;\\n\\t#endif\\n\\t#ifdef USE_SHEENROUGHNESSMAP\\n\\t\\tuniform sampler2D sheenRoughnessMap;\\n\\t#endif\\n#endif\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\\n\\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\\n\\t#include \\n\\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat dotNVcc = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\\n\\t\\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\\n\\t\\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + clearcoatSpecular * material.clearcoat;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$4 = \"#define TOON\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$4 = \"#define TOON\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$3 = \"uniform float size;\\nuniform float scale;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tgl_PointSize = size;\\n\\t#ifdef USE_SIZEATTENUATION\\n\\t\\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\\n\\t\\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$3 = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$2 = \"#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$2 = \"uniform vec3 color;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$1 = \"uniform float rotation;\\nuniform vec2 center;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\\n\\tvec2 scale;\\n\\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\\n\\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\\n\\t#ifndef USE_SIZEATTENUATION\\n\\t\\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\\n\\t\\tif ( isPerspective ) scale *= - mvPosition.z;\\n\\t#endif\\n\\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\\n\\tvec2 rotatedPosition;\\n\\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\\n\\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\\n\\tmvPosition.xy += rotatedPosition;\\n\\tgl_Position = projectionMatrix * mvPosition;\\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$1 = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst ShaderChunk = {\n\talphamap_fragment: alphamap_fragment,\n\talphamap_pars_fragment: alphamap_pars_fragment,\n\talphatest_fragment: alphatest_fragment,\n\talphatest_pars_fragment: alphatest_pars_fragment,\n\taomap_fragment: aomap_fragment,\n\taomap_pars_fragment: aomap_pars_fragment,\n\tbegin_vertex: begin_vertex,\n\tbeginnormal_vertex: beginnormal_vertex,\n\tbsdfs: bsdfs,\n\tbumpmap_pars_fragment: bumpmap_pars_fragment,\n\tclipping_planes_fragment: clipping_planes_fragment,\n\tclipping_planes_pars_fragment: clipping_planes_pars_fragment,\n\tclipping_planes_pars_vertex: clipping_planes_pars_vertex,\n\tclipping_planes_vertex: clipping_planes_vertex,\n\tcolor_fragment: color_fragment,\n\tcolor_pars_fragment: color_pars_fragment,\n\tcolor_pars_vertex: color_pars_vertex,\n\tcolor_vertex: color_vertex,\n\tcommon: common,\n\tcube_uv_reflection_fragment: cube_uv_reflection_fragment,\n\tdefaultnormal_vertex: defaultnormal_vertex,\n\tdisplacementmap_pars_vertex: displacementmap_pars_vertex,\n\tdisplacementmap_vertex: displacementmap_vertex,\n\temissivemap_fragment: emissivemap_fragment,\n\temissivemap_pars_fragment: emissivemap_pars_fragment,\n\tencodings_fragment: encodings_fragment,\n\tencodings_pars_fragment: encodings_pars_fragment,\n\tenvmap_fragment: envmap_fragment,\n\tenvmap_common_pars_fragment: envmap_common_pars_fragment,\n\tenvmap_pars_fragment: envmap_pars_fragment,\n\tenvmap_pars_vertex: envmap_pars_vertex,\n\tenvmap_physical_pars_fragment: envmap_physical_pars_fragment,\n\tenvmap_vertex: envmap_vertex,\n\tfog_vertex: fog_vertex,\n\tfog_pars_vertex: fog_pars_vertex,\n\tfog_fragment: fog_fragment,\n\tfog_pars_fragment: fog_pars_fragment,\n\tgradientmap_pars_fragment: gradientmap_pars_fragment,\n\tlightmap_fragment: lightmap_fragment,\n\tlightmap_pars_fragment: lightmap_pars_fragment,\n\tlights_lambert_vertex: lights_lambert_vertex,\n\tlights_pars_begin: lights_pars_begin,\n\tlights_toon_fragment: lights_toon_fragment,\n\tlights_toon_pars_fragment: lights_toon_pars_fragment,\n\tlights_phong_fragment: lights_phong_fragment,\n\tlights_phong_pars_fragment: lights_phong_pars_fragment,\n\tlights_physical_fragment: lights_physical_fragment,\n\tlights_physical_pars_fragment: lights_physical_pars_fragment,\n\tlights_fragment_begin: lights_fragment_begin,\n\tlights_fragment_maps: lights_fragment_maps,\n\tlights_fragment_end: lights_fragment_end,\n\tlogdepthbuf_fragment: logdepthbuf_fragment,\n\tlogdepthbuf_pars_fragment: logdepthbuf_pars_fragment,\n\tlogdepthbuf_pars_vertex: logdepthbuf_pars_vertex,\n\tlogdepthbuf_vertex: logdepthbuf_vertex,\n\tmap_fragment: map_fragment,\n\tmap_pars_fragment: map_pars_fragment,\n\tmap_particle_fragment: map_particle_fragment,\n\tmap_particle_pars_fragment: map_particle_pars_fragment,\n\tmetalnessmap_fragment: metalnessmap_fragment,\n\tmetalnessmap_pars_fragment: metalnessmap_pars_fragment,\n\tmorphnormal_vertex: morphnormal_vertex,\n\tmorphtarget_pars_vertex: morphtarget_pars_vertex,\n\tmorphtarget_vertex: morphtarget_vertex,\n\tnormal_fragment_begin: normal_fragment_begin,\n\tnormal_fragment_maps: normal_fragment_maps,\n\tnormal_pars_fragment: normal_pars_fragment,\n\tnormal_pars_vertex: normal_pars_vertex,\n\tnormal_vertex: normal_vertex,\n\tnormalmap_pars_fragment: normalmap_pars_fragment,\n\tclearcoat_normal_fragment_begin: clearcoat_normal_fragment_begin,\n\tclearcoat_normal_fragment_maps: clearcoat_normal_fragment_maps,\n\tclearcoat_pars_fragment: clearcoat_pars_fragment,\n\toutput_fragment: output_fragment,\n\tpacking: packing,\n\tpremultiplied_alpha_fragment: premultiplied_alpha_fragment,\n\tproject_vertex: project_vertex,\n\tdithering_fragment: dithering_fragment,\n\tdithering_pars_fragment: dithering_pars_fragment,\n\troughnessmap_fragment: roughnessmap_fragment,\n\troughnessmap_pars_fragment: roughnessmap_pars_fragment,\n\tshadowmap_pars_fragment: shadowmap_pars_fragment,\n\tshadowmap_pars_vertex: shadowmap_pars_vertex,\n\tshadowmap_vertex: shadowmap_vertex,\n\tshadowmask_pars_fragment: shadowmask_pars_fragment,\n\tskinbase_vertex: skinbase_vertex,\n\tskinning_pars_vertex: skinning_pars_vertex,\n\tskinning_vertex: skinning_vertex,\n\tskinnormal_vertex: skinnormal_vertex,\n\tspecularmap_fragment: specularmap_fragment,\n\tspecularmap_pars_fragment: specularmap_pars_fragment,\n\ttonemapping_fragment: tonemapping_fragment,\n\ttonemapping_pars_fragment: tonemapping_pars_fragment,\n\ttransmission_fragment: transmission_fragment,\n\ttransmission_pars_fragment: transmission_pars_fragment,\n\tuv_pars_fragment: uv_pars_fragment,\n\tuv_pars_vertex: uv_pars_vertex,\n\tuv_vertex: uv_vertex,\n\tuv2_pars_fragment: uv2_pars_fragment,\n\tuv2_pars_vertex: uv2_pars_vertex,\n\tuv2_vertex: uv2_vertex,\n\tworldpos_vertex: worldpos_vertex,\n\n\tbackground_vert: vertex$g,\n\tbackground_frag: fragment$g,\n\tcube_vert: vertex$f,\n\tcube_frag: fragment$f,\n\tdepth_vert: vertex$e,\n\tdepth_frag: fragment$e,\n\tdistanceRGBA_vert: vertex$d,\n\tdistanceRGBA_frag: fragment$d,\n\tequirect_vert: vertex$c,\n\tequirect_frag: fragment$c,\n\tlinedashed_vert: vertex$b,\n\tlinedashed_frag: fragment$b,\n\tmeshbasic_vert: vertex$a,\n\tmeshbasic_frag: fragment$a,\n\tmeshlambert_vert: vertex$9,\n\tmeshlambert_frag: fragment$9,\n\tmeshmatcap_vert: vertex$8,\n\tmeshmatcap_frag: fragment$8,\n\tmeshnormal_vert: vertex$7,\n\tmeshnormal_frag: fragment$7,\n\tmeshphong_vert: vertex$6,\n\tmeshphong_frag: fragment$6,\n\tmeshphysical_vert: vertex$5,\n\tmeshphysical_frag: fragment$5,\n\tmeshtoon_vert: vertex$4,\n\tmeshtoon_frag: fragment$4,\n\tpoints_vert: vertex$3,\n\tpoints_frag: fragment$3,\n\tshadow_vert: vertex$2,\n\tshadow_frag: fragment$2,\n\tsprite_vert: vertex$1,\n\tsprite_frag: fragment$1\n};\n\n/**\n * Uniforms library for shared webgl shaders\n */\n\nconst UniformsLib = {\n\n\tcommon: {\n\n\t\tdiffuse: { value: new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\n\t\tmap: { value: null },\n\t\tuvTransform: { value: new Matrix3() },\n\t\tuv2Transform: { value: new Matrix3() },\n\n\t\talphaMap: { value: null },\n\t\talphaTest: { value: 0 }\n\n\t},\n\n\tspecularmap: {\n\n\t\tspecularMap: { value: null },\n\n\t},\n\n\tenvmap: {\n\n\t\tenvMap: { value: null },\n\t\tflipEnvMap: { value: - 1 },\n\t\treflectivity: { value: 1.0 }, // basic, lambert, phong\n\t\tior: { value: 1.5 }, // standard, physical\n\t\trefractionRatio: { value: 0.98 }\n\n\t},\n\n\taomap: {\n\n\t\taoMap: { value: null },\n\t\taoMapIntensity: { value: 1 }\n\n\t},\n\n\tlightmap: {\n\n\t\tlightMap: { value: null },\n\t\tlightMapIntensity: { value: 1 }\n\n\t},\n\n\temissivemap: {\n\n\t\temissiveMap: { value: null }\n\n\t},\n\n\tbumpmap: {\n\n\t\tbumpMap: { value: null },\n\t\tbumpScale: { value: 1 }\n\n\t},\n\n\tnormalmap: {\n\n\t\tnormalMap: { value: null },\n\t\tnormalScale: { value: new Vector2( 1, 1 ) }\n\n\t},\n\n\tdisplacementmap: {\n\n\t\tdisplacementMap: { value: null },\n\t\tdisplacementScale: { value: 1 },\n\t\tdisplacementBias: { value: 0 }\n\n\t},\n\n\troughnessmap: {\n\n\t\troughnessMap: { value: null }\n\n\t},\n\n\tmetalnessmap: {\n\n\t\tmetalnessMap: { value: null }\n\n\t},\n\n\tgradientmap: {\n\n\t\tgradientMap: { value: null }\n\n\t},\n\n\tfog: {\n\n\t\tfogDensity: { value: 0.00025 },\n\t\tfogNear: { value: 1 },\n\t\tfogFar: { value: 2000 },\n\t\tfogColor: { value: new Color( 0xffffff ) }\n\n\t},\n\n\tlights: {\n\n\t\tambientLightColor: { value: [] },\n\n\t\tlightProbe: { value: [] },\n\n\t\tdirectionalLights: { value: [], properties: {\n\t\t\tdirection: {},\n\t\t\tcolor: {}\n\t\t} },\n\n\t\tdirectionalLightShadows: { value: [], properties: {\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {}\n\t\t} },\n\n\t\tdirectionalShadowMap: { value: [] },\n\t\tdirectionalShadowMatrix: { value: [] },\n\n\t\tspotLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\tdirection: {},\n\t\t\tdistance: {},\n\t\t\tconeCos: {},\n\t\t\tpenumbraCos: {},\n\t\t\tdecay: {}\n\t\t} },\n\n\t\tspotLightShadows: { value: [], properties: {\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {}\n\t\t} },\n\n\t\tspotShadowMap: { value: [] },\n\t\tspotShadowMatrix: { value: [] },\n\n\t\tpointLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\tdecay: {},\n\t\t\tdistance: {}\n\t\t} },\n\n\t\tpointLightShadows: { value: [], properties: {\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {},\n\t\t\tshadowCameraNear: {},\n\t\t\tshadowCameraFar: {}\n\t\t} },\n\n\t\tpointShadowMap: { value: [] },\n\t\tpointShadowMatrix: { value: [] },\n\n\t\themisphereLights: { value: [], properties: {\n\t\t\tdirection: {},\n\t\t\tskyColor: {},\n\t\t\tgroundColor: {}\n\t\t} },\n\n\t\t// TODO (abelnation): RectAreaLight BRDF data needs to be moved from example to main src\n\t\trectAreaLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\twidth: {},\n\t\t\theight: {}\n\t\t} },\n\n\t\tltc_1: { value: null },\n\t\tltc_2: { value: null }\n\n\t},\n\n\tpoints: {\n\n\t\tdiffuse: { value: new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\t\tsize: { value: 1.0 },\n\t\tscale: { value: 1.0 },\n\t\tmap: { value: null },\n\t\talphaMap: { value: null },\n\t\talphaTest: { value: 0 },\n\t\tuvTransform: { value: new Matrix3() }\n\n\t},\n\n\tsprite: {\n\n\t\tdiffuse: { value: new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\t\tcenter: { value: new Vector2( 0.5, 0.5 ) },\n\t\trotation: { value: 0.0 },\n\t\tmap: { value: null },\n\t\talphaMap: { value: null },\n\t\talphaTest: { value: 0 },\n\t\tuvTransform: { value: new Matrix3() }\n\n\t}\n\n};\n\nconst ShaderLib = {\n\n\tbasic: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshbasic_vert,\n\t\tfragmentShader: ShaderChunk.meshbasic_frag\n\n\t},\n\n\tlambert: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: new Color( 0x000000 ) }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshlambert_vert,\n\t\tfragmentShader: ShaderChunk.meshlambert_frag\n\n\t},\n\n\tphong: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: new Color( 0x000000 ) },\n\t\t\t\tspecular: { value: new Color( 0x111111 ) },\n\t\t\t\tshininess: { value: 30 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphong_vert,\n\t\tfragmentShader: ShaderChunk.meshphong_frag\n\n\t},\n\n\tstandard: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.roughnessmap,\n\t\t\tUniformsLib.metalnessmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: new Color( 0x000000 ) },\n\t\t\t\troughness: { value: 1.0 },\n\t\t\t\tmetalness: { value: 0.0 },\n\t\t\t\tenvMapIntensity: { value: 1 } // temporary\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t},\n\n\ttoon: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.gradientmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: new Color( 0x000000 ) }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshtoon_vert,\n\t\tfragmentShader: ShaderChunk.meshtoon_frag\n\n\t},\n\n\tmatcap: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tmatcap: { value: null }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshmatcap_vert,\n\t\tfragmentShader: ShaderChunk.meshmatcap_frag\n\n\t},\n\n\tpoints: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.points,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.points_vert,\n\t\tfragmentShader: ShaderChunk.points_frag\n\n\t},\n\n\tdashed: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tscale: { value: 1 },\n\t\t\t\tdashSize: { value: 1 },\n\t\t\t\ttotalSize: { value: 2 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.linedashed_vert,\n\t\tfragmentShader: ShaderChunk.linedashed_frag\n\n\t},\n\n\tdepth: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.displacementmap\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.depth_vert,\n\t\tfragmentShader: ShaderChunk.depth_frag\n\n\t},\n\n\tnormal: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\t{\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshnormal_vert,\n\t\tfragmentShader: ShaderChunk.meshnormal_frag\n\n\t},\n\n\tsprite: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.sprite,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.sprite_vert,\n\t\tfragmentShader: ShaderChunk.sprite_frag\n\n\t},\n\n\tbackground: {\n\n\t\tuniforms: {\n\t\t\tuvTransform: { value: new Matrix3() },\n\t\t\tt2D: { value: null },\n\t\t},\n\n\t\tvertexShader: ShaderChunk.background_vert,\n\t\tfragmentShader: ShaderChunk.background_frag\n\n\t},\n\t/* -------------------------------------------------------------------------\n\t//\tCube map shader\n\t ------------------------------------------------------------------------- */\n\n\tcube: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.envmap,\n\t\t\t{\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.cube_vert,\n\t\tfragmentShader: ShaderChunk.cube_frag\n\n\t},\n\n\tequirect: {\n\n\t\tuniforms: {\n\t\t\ttEquirect: { value: null },\n\t\t},\n\n\t\tvertexShader: ShaderChunk.equirect_vert,\n\t\tfragmentShader: ShaderChunk.equirect_frag\n\n\t},\n\n\tdistanceRGBA: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.displacementmap,\n\t\t\t{\n\t\t\t\treferencePosition: { value: new Vector3() },\n\t\t\t\tnearDistance: { value: 1 },\n\t\t\t\tfarDistance: { value: 1000 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.distanceRGBA_vert,\n\t\tfragmentShader: ShaderChunk.distanceRGBA_frag\n\n\t},\n\n\tshadow: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.lights,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tcolor: { value: new Color( 0x00000 ) },\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t},\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.shadow_vert,\n\t\tfragmentShader: ShaderChunk.shadow_frag\n\n\t}\n\n};\n\nShaderLib.physical = {\n\n\tuniforms: mergeUniforms( [\n\t\tShaderLib.standard.uniforms,\n\t\t{\n\t\t\tclearcoat: { value: 0 },\n\t\t\tclearcoatMap: { value: null },\n\t\t\tclearcoatRoughness: { value: 0 },\n\t\t\tclearcoatRoughnessMap: { value: null },\n\t\t\tclearcoatNormalScale: { value: new Vector2( 1, 1 ) },\n\t\t\tclearcoatNormalMap: { value: null },\n\t\t\tsheen: { value: 0 },\n\t\t\tsheenColor: { value: new Color( 0x000000 ) },\n\t\t\tsheenColorMap: { value: null },\n\t\t\tsheenRoughness: { value: 0 },\n\t\t\tsheenRoughnessMap: { value: null },\n\t\t\ttransmission: { value: 0 },\n\t\t\ttransmissionMap: { value: null },\n\t\t\ttransmissionSamplerSize: { value: new Vector2() },\n\t\t\ttransmissionSamplerMap: { value: null },\n\t\t\tthickness: { value: 0 },\n\t\t\tthicknessMap: { value: null },\n\t\t\tattenuationDistance: { value: 0 },\n\t\t\tattenuationColor: { value: new Color( 0x000000 ) },\n\t\t\tspecularIntensity: { value: 0 },\n\t\t\tspecularIntensityMap: { value: null },\n\t\t\tspecularColor: { value: new Color( 1, 1, 1 ) },\n\t\t\tspecularColorMap: { value: null },\n\t\t}\n\t] ),\n\n\tvertexShader: ShaderChunk.meshphysical_vert,\n\tfragmentShader: ShaderChunk.meshphysical_frag\n\n};\n\nfunction WebGLBackground( renderer, cubemaps, state, objects, premultipliedAlpha ) {\n\n\tconst clearColor = new Color( 0x000000 );\n\tlet clearAlpha = 0;\n\n\tlet planeMesh;\n\tlet boxMesh;\n\n\tlet currentBackground = null;\n\tlet currentBackgroundVersion = 0;\n\tlet currentTonemapping = null;\n\n\tfunction render( renderList, scene ) {\n\n\t\tlet forceClear = false;\n\t\tlet background = scene.isScene === true ? scene.background : null;\n\n\t\tif ( background && background.isTexture ) {\n\n\t\t\tbackground = cubemaps.get( background );\n\n\t\t}\n\n\t\t// Ignore background in AR\n\t\t// TODO: Reconsider this.\n\n\t\tconst xr = renderer.xr;\n\t\tconst session = xr.getSession && xr.getSession();\n\n\t\tif ( session && session.environmentBlendMode === 'additive' ) {\n\n\t\t\tbackground = null;\n\n\t\t}\n\n\t\tif ( background === null ) {\n\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t} else if ( background && background.isColor ) {\n\n\t\t\tsetClear( background, 1 );\n\t\t\tforceClear = true;\n\n\t\t}\n\n\t\tif ( renderer.autoClear || forceClear ) {\n\n\t\t\trenderer.clear( renderer.autoClearColor, renderer.autoClearDepth, renderer.autoClearStencil );\n\n\t\t}\n\n\t\tif ( background && ( background.isCubeTexture || background.mapping === CubeUVReflectionMapping ) ) {\n\n\t\t\tif ( boxMesh === undefined ) {\n\n\t\t\t\tboxMesh = new Mesh(\n\t\t\t\t\tnew BoxGeometry( 1, 1, 1 ),\n\t\t\t\t\tnew ShaderMaterial( {\n\t\t\t\t\t\tname: 'BackgroundCubeMaterial',\n\t\t\t\t\t\tuniforms: cloneUniforms( ShaderLib.cube.uniforms ),\n\t\t\t\t\t\tvertexShader: ShaderLib.cube.vertexShader,\n\t\t\t\t\t\tfragmentShader: ShaderLib.cube.fragmentShader,\n\t\t\t\t\t\tside: BackSide,\n\t\t\t\t\t\tdepthTest: false,\n\t\t\t\t\t\tdepthWrite: false,\n\t\t\t\t\t\tfog: false\n\t\t\t\t\t} )\n\t\t\t\t);\n\n\t\t\t\tboxMesh.geometry.deleteAttribute( 'normal' );\n\t\t\t\tboxMesh.geometry.deleteAttribute( 'uv' );\n\n\t\t\t\tboxMesh.onBeforeRender = function ( renderer, scene, camera ) {\n\n\t\t\t\t\tthis.matrixWorld.copyPosition( camera.matrixWorld );\n\n\t\t\t\t};\n\n\t\t\t\t// enable code injection for non-built-in material\n\t\t\t\tObject.defineProperty( boxMesh.material, 'envMap', {\n\n\t\t\t\t\tget: function () {\n\n\t\t\t\t\t\treturn this.uniforms.envMap.value;\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\tobjects.update( boxMesh );\n\n\t\t\t}\n\n\t\t\tboxMesh.material.uniforms.envMap.value = background;\n\t\t\tboxMesh.material.uniforms.flipEnvMap.value = ( background.isCubeTexture && background.isRenderTargetTexture === false ) ? - 1 : 1;\n\n\t\t\tif ( currentBackground !== background ||\n\t\t\t\tcurrentBackgroundVersion !== background.version ||\n\t\t\t\tcurrentTonemapping !== renderer.toneMapping ) {\n\n\t\t\t\tboxMesh.material.needsUpdate = true;\n\n\t\t\t\tcurrentBackground = background;\n\t\t\t\tcurrentBackgroundVersion = background.version;\n\t\t\t\tcurrentTonemapping = renderer.toneMapping;\n\n\t\t\t}\n\n\t\t\t// push to the pre-sorted opaque render list\n\t\t\trenderList.unshift( boxMesh, boxMesh.geometry, boxMesh.material, 0, 0, null );\n\n\t\t} else if ( background && background.isTexture ) {\n\n\t\t\tif ( planeMesh === undefined ) {\n\n\t\t\t\tplaneMesh = new Mesh(\n\t\t\t\t\tnew PlaneGeometry( 2, 2 ),\n\t\t\t\t\tnew ShaderMaterial( {\n\t\t\t\t\t\tname: 'BackgroundMaterial',\n\t\t\t\t\t\tuniforms: cloneUniforms( ShaderLib.background.uniforms ),\n\t\t\t\t\t\tvertexShader: ShaderLib.background.vertexShader,\n\t\t\t\t\t\tfragmentShader: ShaderLib.background.fragmentShader,\n\t\t\t\t\t\tside: FrontSide,\n\t\t\t\t\t\tdepthTest: false,\n\t\t\t\t\t\tdepthWrite: false,\n\t\t\t\t\t\tfog: false\n\t\t\t\t\t} )\n\t\t\t\t);\n\n\t\t\t\tplaneMesh.geometry.deleteAttribute( 'normal' );\n\n\t\t\t\t// enable code injection for non-built-in material\n\t\t\t\tObject.defineProperty( planeMesh.material, 'map', {\n\n\t\t\t\t\tget: function () {\n\n\t\t\t\t\t\treturn this.uniforms.t2D.value;\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\tobjects.update( planeMesh );\n\n\t\t\t}\n\n\t\t\tplaneMesh.material.uniforms.t2D.value = background;\n\n\t\t\tif ( background.matrixAutoUpdate === true ) {\n\n\t\t\t\tbackground.updateMatrix();\n\n\t\t\t}\n\n\t\t\tplaneMesh.material.uniforms.uvTransform.value.copy( background.matrix );\n\n\t\t\tif ( currentBackground !== background ||\n\t\t\t\tcurrentBackgroundVersion !== background.version ||\n\t\t\t\tcurrentTonemapping !== renderer.toneMapping ) {\n\n\t\t\t\tplaneMesh.material.needsUpdate = true;\n\n\t\t\t\tcurrentBackground = background;\n\t\t\t\tcurrentBackgroundVersion = background.version;\n\t\t\t\tcurrentTonemapping = renderer.toneMapping;\n\n\t\t\t}\n\n\n\t\t\t// push to the pre-sorted opaque render list\n\t\t\trenderList.unshift( planeMesh, planeMesh.geometry, planeMesh.material, 0, 0, null );\n\n\t\t}\n\n\t}\n\n\tfunction setClear( color, alpha ) {\n\n\t\tstate.buffers.color.setClear( color.r, color.g, color.b, alpha, premultipliedAlpha );\n\n\t}\n\n\treturn {\n\n\t\tgetClearColor: function () {\n\n\t\t\treturn clearColor;\n\n\t\t},\n\t\tsetClearColor: function ( color, alpha = 1 ) {\n\n\t\t\tclearColor.set( color );\n\t\t\tclearAlpha = alpha;\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t},\n\t\tgetClearAlpha: function () {\n\n\t\t\treturn clearAlpha;\n\n\t\t},\n\t\tsetClearAlpha: function ( alpha ) {\n\n\t\t\tclearAlpha = alpha;\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t},\n\t\trender: render\n\n\t};\n\n}\n\nfunction WebGLBindingStates( gl, extensions, attributes, capabilities ) {\n\n\tconst maxVertexAttributes = gl.getParameter( 34921 );\n\n\tconst extension = capabilities.isWebGL2 ? null : extensions.get( 'OES_vertex_array_object' );\n\tconst vaoAvailable = capabilities.isWebGL2 || extension !== null;\n\n\tconst bindingStates = {};\n\n\tconst defaultState = createBindingState( null );\n\tlet currentState = defaultState;\n\n\tfunction setup( object, material, program, geometry, index ) {\n\n\t\tlet updateBuffers = false;\n\n\t\tif ( vaoAvailable ) {\n\n\t\t\tconst state = getBindingState( geometry, program, material );\n\n\t\t\tif ( currentState !== state ) {\n\n\t\t\t\tcurrentState = state;\n\t\t\t\tbindVertexArrayObject( currentState.object );\n\n\t\t\t}\n\n\t\t\tupdateBuffers = needsUpdate( geometry, index );\n\n\t\t\tif ( updateBuffers ) saveCache( geometry, index );\n\n\t\t} else {\n\n\t\t\tconst wireframe = ( material.wireframe === true );\n\n\t\t\tif ( currentState.geometry !== geometry.id ||\n\t\t\t\tcurrentState.program !== program.id ||\n\t\t\t\tcurrentState.wireframe !== wireframe ) {\n\n\t\t\t\tcurrentState.geometry = geometry.id;\n\t\t\t\tcurrentState.program = program.id;\n\t\t\t\tcurrentState.wireframe = wireframe;\n\n\t\t\t\tupdateBuffers = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( object.isInstancedMesh === true ) {\n\n\t\t\tupdateBuffers = true;\n\n\t\t}\n\n\t\tif ( index !== null ) {\n\n\t\t\tattributes.update( index, 34963 );\n\n\t\t}\n\n\t\tif ( updateBuffers ) {\n\n\t\t\tsetupVertexAttributes( object, material, program, geometry );\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tgl.bindBuffer( 34963, attributes.get( index ).buffer );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction createVertexArrayObject() {\n\n\t\tif ( capabilities.isWebGL2 ) return gl.createVertexArray();\n\n\t\treturn extension.createVertexArrayOES();\n\n\t}\n\n\tfunction bindVertexArrayObject( vao ) {\n\n\t\tif ( capabilities.isWebGL2 ) return gl.bindVertexArray( vao );\n\n\t\treturn extension.bindVertexArrayOES( vao );\n\n\t}\n\n\tfunction deleteVertexArrayObject( vao ) {\n\n\t\tif ( capabilities.isWebGL2 ) return gl.deleteVertexArray( vao );\n\n\t\treturn extension.deleteVertexArrayOES( vao );\n\n\t}\n\n\tfunction getBindingState( geometry, program, material ) {\n\n\t\tconst wireframe = ( material.wireframe === true );\n\n\t\tlet programMap = bindingStates[ geometry.id ];\n\n\t\tif ( programMap === undefined ) {\n\n\t\t\tprogramMap = {};\n\t\t\tbindingStates[ geometry.id ] = programMap;\n\n\t\t}\n\n\t\tlet stateMap = programMap[ program.id ];\n\n\t\tif ( stateMap === undefined ) {\n\n\t\t\tstateMap = {};\n\t\t\tprogramMap[ program.id ] = stateMap;\n\n\t\t}\n\n\t\tlet state = stateMap[ wireframe ];\n\n\t\tif ( state === undefined ) {\n\n\t\t\tstate = createBindingState( createVertexArrayObject() );\n\t\t\tstateMap[ wireframe ] = state;\n\n\t\t}\n\n\t\treturn state;\n\n\t}\n\n\tfunction createBindingState( vao ) {\n\n\t\tconst newAttributes = [];\n\t\tconst enabledAttributes = [];\n\t\tconst attributeDivisors = [];\n\n\t\tfor ( let i = 0; i < maxVertexAttributes; i ++ ) {\n\n\t\t\tnewAttributes[ i ] = 0;\n\t\t\tenabledAttributes[ i ] = 0;\n\t\t\tattributeDivisors[ i ] = 0;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\t// for backward compatibility on non-VAO support browser\n\t\t\tgeometry: null,\n\t\t\tprogram: null,\n\t\t\twireframe: false,\n\n\t\t\tnewAttributes: newAttributes,\n\t\t\tenabledAttributes: enabledAttributes,\n\t\t\tattributeDivisors: attributeDivisors,\n\t\t\tobject: vao,\n\t\t\tattributes: {},\n\t\t\tindex: null\n\n\t\t};\n\n\t}\n\n\tfunction needsUpdate( geometry, index ) {\n\n\t\tconst cachedAttributes = currentState.attributes;\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\tlet attributesNum = 0;\n\n\t\tfor ( const key in geometryAttributes ) {\n\n\t\t\tconst cachedAttribute = cachedAttributes[ key ];\n\t\t\tconst geometryAttribute = geometryAttributes[ key ];\n\n\t\t\tif ( cachedAttribute === undefined ) return true;\n\n\t\t\tif ( cachedAttribute.attribute !== geometryAttribute ) return true;\n\n\t\t\tif ( cachedAttribute.data !== geometryAttribute.data ) return true;\n\n\t\t\tattributesNum ++;\n\n\t\t}\n\n\t\tif ( currentState.attributesNum !== attributesNum ) return true;\n\n\t\tif ( currentState.index !== index ) return true;\n\n\t\treturn false;\n\n\t}\n\n\tfunction saveCache( geometry, index ) {\n\n\t\tconst cache = {};\n\t\tconst attributes = geometry.attributes;\n\t\tlet attributesNum = 0;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tconst attribute = attributes[ key ];\n\n\t\t\tconst data = {};\n\t\t\tdata.attribute = attribute;\n\n\t\t\tif ( attribute.data ) {\n\n\t\t\t\tdata.data = attribute.data;\n\n\t\t\t}\n\n\t\t\tcache[ key ] = data;\n\n\t\t\tattributesNum ++;\n\n\t\t}\n\n\t\tcurrentState.attributes = cache;\n\t\tcurrentState.attributesNum = attributesNum;\n\n\t\tcurrentState.index = index;\n\n\t}\n\n\tfunction initAttributes() {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\n\t\tfor ( let i = 0, il = newAttributes.length; i < il; i ++ ) {\n\n\t\t\tnewAttributes[ i ] = 0;\n\n\t\t}\n\n\t}\n\n\tfunction enableAttribute( attribute ) {\n\n\t\tenableAttributeAndDivisor( attribute, 0 );\n\n\t}\n\n\tfunction enableAttributeAndDivisor( attribute, meshPerAttribute ) {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\t\tconst enabledAttributes = currentState.enabledAttributes;\n\t\tconst attributeDivisors = currentState.attributeDivisors;\n\n\t\tnewAttributes[ attribute ] = 1;\n\n\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t}\n\n\t\tif ( attributeDivisors[ attribute ] !== meshPerAttribute ) {\n\n\t\t\tconst extension = capabilities.isWebGL2 ? gl : extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\textension[ capabilities.isWebGL2 ? 'vertexAttribDivisor' : 'vertexAttribDivisorANGLE' ]( attribute, meshPerAttribute );\n\t\t\tattributeDivisors[ attribute ] = meshPerAttribute;\n\n\t\t}\n\n\t}\n\n\tfunction disableUnusedAttributes() {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\t\tconst enabledAttributes = currentState.enabledAttributes;\n\n\t\tfor ( let i = 0, il = enabledAttributes.length; i < il; i ++ ) {\n\n\t\t\tif ( enabledAttributes[ i ] !== newAttributes[ i ] ) {\n\n\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction vertexAttribPointer( index, size, type, normalized, stride, offset ) {\n\n\t\tif ( capabilities.isWebGL2 === true && ( type === 5124 || type === 5125 ) ) {\n\n\t\t\tgl.vertexAttribIPointer( index, size, type, stride, offset );\n\n\t\t} else {\n\n\t\t\tgl.vertexAttribPointer( index, size, type, normalized, stride, offset );\n\n\t\t}\n\n\t}\n\n\tfunction setupVertexAttributes( object, material, program, geometry ) {\n\n\t\tif ( capabilities.isWebGL2 === false && ( object.isInstancedMesh || geometry.isInstancedBufferGeometry ) ) {\n\n\t\t\tif ( extensions.get( 'ANGLE_instanced_arrays' ) === null ) return;\n\n\t\t}\n\n\t\tinitAttributes();\n\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\tconst programAttributes = program.getAttributes();\n\n\t\tconst materialDefaultAttributeValues = material.defaultAttributeValues;\n\n\t\tfor ( const name in programAttributes ) {\n\n\t\t\tconst programAttribute = programAttributes[ name ];\n\n\t\t\tif ( programAttribute.location >= 0 ) {\n\n\t\t\t\tlet geometryAttribute = geometryAttributes[ name ];\n\n\t\t\t\tif ( geometryAttribute === undefined ) {\n\n\t\t\t\t\tif ( name === 'instanceMatrix' && object.instanceMatrix ) geometryAttribute = object.instanceMatrix;\n\t\t\t\t\tif ( name === 'instanceColor' && object.instanceColor ) geometryAttribute = object.instanceColor;\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometryAttribute !== undefined ) {\n\n\t\t\t\t\tconst normalized = geometryAttribute.normalized;\n\t\t\t\t\tconst size = geometryAttribute.itemSize;\n\n\t\t\t\t\tconst attribute = attributes.get( geometryAttribute );\n\n\t\t\t\t\t// TODO Attribute may not be available on context restore\n\n\t\t\t\t\tif ( attribute === undefined ) continue;\n\n\t\t\t\t\tconst buffer = attribute.buffer;\n\t\t\t\t\tconst type = attribute.type;\n\t\t\t\t\tconst bytesPerElement = attribute.bytesPerElement;\n\n\t\t\t\t\tif ( geometryAttribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\tconst data = geometryAttribute.data;\n\t\t\t\t\t\tconst stride = data.stride;\n\t\t\t\t\t\tconst offset = geometryAttribute.offset;\n\n\t\t\t\t\t\tif ( data && data.isInstancedInterleavedBuffer ) {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttributeAndDivisor( programAttribute.location + i, data.meshPerAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( object.isInstancedMesh !== true && geometry._maxInstanceCount === undefined ) {\n\n\t\t\t\t\t\t\t\tgeometry._maxInstanceCount = data.meshPerAttribute * data.count;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttribute( programAttribute.location + i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgl.bindBuffer( 34962, buffer );\n\n\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\tvertexAttribPointer(\n\t\t\t\t\t\t\t\tprogramAttribute.location + i,\n\t\t\t\t\t\t\t\tsize / programAttribute.locationSize,\n\t\t\t\t\t\t\t\ttype,\n\t\t\t\t\t\t\t\tnormalized,\n\t\t\t\t\t\t\t\tstride * bytesPerElement,\n\t\t\t\t\t\t\t\t( offset + ( size / programAttribute.locationSize ) * i ) * bytesPerElement\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( geometryAttribute.isInstancedBufferAttribute ) {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttributeAndDivisor( programAttribute.location + i, geometryAttribute.meshPerAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( object.isInstancedMesh !== true && geometry._maxInstanceCount === undefined ) {\n\n\t\t\t\t\t\t\t\tgeometry._maxInstanceCount = geometryAttribute.meshPerAttribute * geometryAttribute.count;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttribute( programAttribute.location + i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgl.bindBuffer( 34962, buffer );\n\n\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\tvertexAttribPointer(\n\t\t\t\t\t\t\t\tprogramAttribute.location + i,\n\t\t\t\t\t\t\t\tsize / programAttribute.locationSize,\n\t\t\t\t\t\t\t\ttype,\n\t\t\t\t\t\t\t\tnormalized,\n\t\t\t\t\t\t\t\tsize * bytesPerElement,\n\t\t\t\t\t\t\t\t( size / programAttribute.locationSize ) * i * bytesPerElement\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( materialDefaultAttributeValues !== undefined ) {\n\n\t\t\t\t\tconst value = materialDefaultAttributeValues[ name ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\tswitch ( value.length ) {\n\n\t\t\t\t\t\t\tcase 2:\n\t\t\t\t\t\t\t\tgl.vertexAttrib2fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 3:\n\t\t\t\t\t\t\t\tgl.vertexAttrib3fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 4:\n\t\t\t\t\t\t\t\tgl.vertexAttrib4fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\tgl.vertexAttrib1fv( programAttribute.location, value );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tdisableUnusedAttributes();\n\n\t}\n\n\tfunction dispose() {\n\n\t\treset();\n\n\t\tfor ( const geometryId in bindingStates ) {\n\n\t\t\tconst programMap = bindingStates[ geometryId ];\n\n\t\t\tfor ( const programId in programMap ) {\n\n\t\t\t\tconst stateMap = programMap[ programId ];\n\n\t\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t\t}\n\n\t\t\t\tdelete programMap[ programId ];\n\n\t\t\t}\n\n\t\t\tdelete bindingStates[ geometryId ];\n\n\t\t}\n\n\t}\n\n\tfunction releaseStatesOfGeometry( geometry ) {\n\n\t\tif ( bindingStates[ geometry.id ] === undefined ) return;\n\n\t\tconst programMap = bindingStates[ geometry.id ];\n\n\t\tfor ( const programId in programMap ) {\n\n\t\t\tconst stateMap = programMap[ programId ];\n\n\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t}\n\n\t\t\tdelete programMap[ programId ];\n\n\t\t}\n\n\t\tdelete bindingStates[ geometry.id ];\n\n\t}\n\n\tfunction releaseStatesOfProgram( program ) {\n\n\t\tfor ( const geometryId in bindingStates ) {\n\n\t\t\tconst programMap = bindingStates[ geometryId ];\n\n\t\t\tif ( programMap[ program.id ] === undefined ) continue;\n\n\t\t\tconst stateMap = programMap[ program.id ];\n\n\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t}\n\n\t\t\tdelete programMap[ program.id ];\n\n\t\t}\n\n\t}\n\n\tfunction reset() {\n\n\t\tresetDefaultState();\n\n\t\tif ( currentState === defaultState ) return;\n\n\t\tcurrentState = defaultState;\n\t\tbindVertexArrayObject( currentState.object );\n\n\t}\n\n\t// for backward-compatilibity\n\n\tfunction resetDefaultState() {\n\n\t\tdefaultState.geometry = null;\n\t\tdefaultState.program = null;\n\t\tdefaultState.wireframe = false;\n\n\t}\n\n\treturn {\n\n\t\tsetup: setup,\n\t\treset: reset,\n\t\tresetDefaultState: resetDefaultState,\n\t\tdispose: dispose,\n\t\treleaseStatesOfGeometry: releaseStatesOfGeometry,\n\t\treleaseStatesOfProgram: releaseStatesOfProgram,\n\n\t\tinitAttributes: initAttributes,\n\t\tenableAttribute: enableAttribute,\n\t\tdisableUnusedAttributes: disableUnusedAttributes\n\n\t};\n\n}\n\nfunction WebGLBufferRenderer( gl, extensions, info, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tlet mode;\n\n\tfunction setMode( value ) {\n\n\t\tmode = value;\n\n\t}\n\n\tfunction render( start, count ) {\n\n\t\tgl.drawArrays( mode, start, count );\n\n\t\tinfo.update( count, mode, 1 );\n\n\t}\n\n\tfunction renderInstances( start, count, primcount ) {\n\n\t\tif ( primcount === 0 ) return;\n\n\t\tlet extension, methodName;\n\n\t\tif ( isWebGL2 ) {\n\n\t\t\textension = gl;\n\t\t\tmethodName = 'drawArraysInstanced';\n\n\t\t} else {\n\n\t\t\textension = extensions.get( 'ANGLE_instanced_arrays' );\n\t\t\tmethodName = 'drawArraysInstancedANGLE';\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\textension[ methodName ]( mode, start, count, primcount );\n\n\t\tinfo.update( count, mode, primcount );\n\n\t}\n\n\t//\n\n\tthis.setMode = setMode;\n\tthis.render = render;\n\tthis.renderInstances = renderInstances;\n\n}\n\nfunction WebGLCapabilities( gl, extensions, parameters ) {\n\n\tlet maxAnisotropy;\n\n\tfunction getMaxAnisotropy() {\n\n\t\tif ( maxAnisotropy !== undefined ) return maxAnisotropy;\n\n\t\tif ( extensions.has( 'EXT_texture_filter_anisotropic' ) === true ) {\n\n\t\t\tconst extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tmaxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT );\n\n\t\t} else {\n\n\t\t\tmaxAnisotropy = 0;\n\n\t\t}\n\n\t\treturn maxAnisotropy;\n\n\t}\n\n\tfunction getMaxPrecision( precision ) {\n\n\t\tif ( precision === 'highp' ) {\n\n\t\t\tif ( gl.getShaderPrecisionFormat( 35633, 36338 ).precision > 0 &&\n\t\t\t\tgl.getShaderPrecisionFormat( 35632, 36338 ).precision > 0 ) {\n\n\t\t\t\treturn 'highp';\n\n\t\t\t}\n\n\t\t\tprecision = 'mediump';\n\n\t\t}\n\n\t\tif ( precision === 'mediump' ) {\n\n\t\t\tif ( gl.getShaderPrecisionFormat( 35633, 36337 ).precision > 0 &&\n\t\t\t\tgl.getShaderPrecisionFormat( 35632, 36337 ).precision > 0 ) {\n\n\t\t\t\treturn 'mediump';\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn 'lowp';\n\n\t}\n\n\t/* eslint-disable no-undef */\n\tconst isWebGL2 = ( typeof WebGL2RenderingContext !== 'undefined' && gl instanceof WebGL2RenderingContext ) ||\n\t\t( typeof WebGL2ComputeRenderingContext !== 'undefined' && gl instanceof WebGL2ComputeRenderingContext );\n\t/* eslint-enable no-undef */\n\n\tlet precision = parameters.precision !== undefined ? parameters.precision : 'highp';\n\tconst maxPrecision = getMaxPrecision( precision );\n\n\tif ( maxPrecision !== precision ) {\n\n\t\tconsole.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' );\n\t\tprecision = maxPrecision;\n\n\t}\n\n\tconst drawBuffers = isWebGL2 || extensions.has( 'WEBGL_draw_buffers' );\n\n\tconst logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true;\n\n\tconst maxTextures = gl.getParameter( 34930 );\n\tconst maxVertexTextures = gl.getParameter( 35660 );\n\tconst maxTextureSize = gl.getParameter( 3379 );\n\tconst maxCubemapSize = gl.getParameter( 34076 );\n\n\tconst maxAttributes = gl.getParameter( 34921 );\n\tconst maxVertexUniforms = gl.getParameter( 36347 );\n\tconst maxVaryings = gl.getParameter( 36348 );\n\tconst maxFragmentUniforms = gl.getParameter( 36349 );\n\n\tconst vertexTextures = maxVertexTextures > 0;\n\tconst floatFragmentTextures = isWebGL2 || extensions.has( 'OES_texture_float' );\n\tconst floatVertexTextures = vertexTextures && floatFragmentTextures;\n\n\tconst maxSamples = isWebGL2 ? gl.getParameter( 36183 ) : 0;\n\n\treturn {\n\n\t\tisWebGL2: isWebGL2,\n\n\t\tdrawBuffers: drawBuffers,\n\n\t\tgetMaxAnisotropy: getMaxAnisotropy,\n\t\tgetMaxPrecision: getMaxPrecision,\n\n\t\tprecision: precision,\n\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\n\t\tmaxTextures: maxTextures,\n\t\tmaxVertexTextures: maxVertexTextures,\n\t\tmaxTextureSize: maxTextureSize,\n\t\tmaxCubemapSize: maxCubemapSize,\n\n\t\tmaxAttributes: maxAttributes,\n\t\tmaxVertexUniforms: maxVertexUniforms,\n\t\tmaxVaryings: maxVaryings,\n\t\tmaxFragmentUniforms: maxFragmentUniforms,\n\n\t\tvertexTextures: vertexTextures,\n\t\tfloatFragmentTextures: floatFragmentTextures,\n\t\tfloatVertexTextures: floatVertexTextures,\n\n\t\tmaxSamples: maxSamples\n\n\t};\n\n}\n\nfunction WebGLClipping( properties ) {\n\n\tconst scope = this;\n\n\tlet globalState = null,\n\t\tnumGlobalPlanes = 0,\n\t\tlocalClippingEnabled = false,\n\t\trenderingShadows = false;\n\n\tconst plane = new Plane(),\n\t\tviewNormalMatrix = new Matrix3(),\n\n\t\tuniform = { value: null, needsUpdate: false };\n\n\tthis.uniform = uniform;\n\tthis.numPlanes = 0;\n\tthis.numIntersection = 0;\n\n\tthis.init = function ( planes, enableLocalClipping, camera ) {\n\n\t\tconst enabled =\n\t\t\tplanes.length !== 0 ||\n\t\t\tenableLocalClipping ||\n\t\t\t// enable state of previous frame - the clipping code has to\n\t\t\t// run another frame in order to reset the state:\n\t\t\tnumGlobalPlanes !== 0 ||\n\t\t\tlocalClippingEnabled;\n\n\t\tlocalClippingEnabled = enableLocalClipping;\n\n\t\tglobalState = projectPlanes( planes, camera, 0 );\n\t\tnumGlobalPlanes = planes.length;\n\n\t\treturn enabled;\n\n\t};\n\n\tthis.beginShadows = function () {\n\n\t\trenderingShadows = true;\n\t\tprojectPlanes( null );\n\n\t};\n\n\tthis.endShadows = function () {\n\n\t\trenderingShadows = false;\n\t\tresetGlobalState();\n\n\t};\n\n\tthis.setState = function ( material, camera, useCache ) {\n\n\t\tconst planes = material.clippingPlanes,\n\t\t\tclipIntersection = material.clipIntersection,\n\t\t\tclipShadows = material.clipShadows;\n\n\t\tconst materialProperties = properties.get( material );\n\n\t\tif ( ! localClippingEnabled || planes === null || planes.length === 0 || renderingShadows && ! clipShadows ) {\n\n\t\t\t// there's no local clipping\n\n\t\t\tif ( renderingShadows ) {\n\n\t\t\t\t// there's no global clipping\n\n\t\t\t\tprojectPlanes( null );\n\n\t\t\t} else {\n\n\t\t\t\tresetGlobalState();\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst nGlobal = renderingShadows ? 0 : numGlobalPlanes,\n\t\t\t\tlGlobal = nGlobal * 4;\n\n\t\t\tlet dstArray = materialProperties.clippingState || null;\n\n\t\t\tuniform.value = dstArray; // ensure unique state\n\n\t\t\tdstArray = projectPlanes( planes, camera, lGlobal, useCache );\n\n\t\t\tfor ( let i = 0; i !== lGlobal; ++ i ) {\n\n\t\t\t\tdstArray[ i ] = globalState[ i ];\n\n\t\t\t}\n\n\t\t\tmaterialProperties.clippingState = dstArray;\n\t\t\tthis.numIntersection = clipIntersection ? this.numPlanes : 0;\n\t\t\tthis.numPlanes += nGlobal;\n\n\t\t}\n\n\n\t};\n\n\tfunction resetGlobalState() {\n\n\t\tif ( uniform.value !== globalState ) {\n\n\t\t\tuniform.value = globalState;\n\t\t\tuniform.needsUpdate = numGlobalPlanes > 0;\n\n\t\t}\n\n\t\tscope.numPlanes = numGlobalPlanes;\n\t\tscope.numIntersection = 0;\n\n\t}\n\n\tfunction projectPlanes( planes, camera, dstOffset, skipTransform ) {\n\n\t\tconst nPlanes = planes !== null ? planes.length : 0;\n\t\tlet dstArray = null;\n\n\t\tif ( nPlanes !== 0 ) {\n\n\t\t\tdstArray = uniform.value;\n\n\t\t\tif ( skipTransform !== true || dstArray === null ) {\n\n\t\t\t\tconst flatSize = dstOffset + nPlanes * 4,\n\t\t\t\t\tviewMatrix = camera.matrixWorldInverse;\n\n\t\t\t\tviewNormalMatrix.getNormalMatrix( viewMatrix );\n\n\t\t\t\tif ( dstArray === null || dstArray.length < flatSize ) {\n\n\t\t\t\t\tdstArray = new Float32Array( flatSize );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0, i4 = dstOffset; i !== nPlanes; ++ i, i4 += 4 ) {\n\n\t\t\t\t\tplane.copy( planes[ i ] ).applyMatrix4( viewMatrix, viewNormalMatrix );\n\n\t\t\t\t\tplane.normal.toArray( dstArray, i4 );\n\t\t\t\t\tdstArray[ i4 + 3 ] = plane.constant;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tuniform.value = dstArray;\n\t\t\tuniform.needsUpdate = true;\n\n\t\t}\n\n\t\tscope.numPlanes = nPlanes;\n\t\tscope.numIntersection = 0;\n\n\t\treturn dstArray;\n\n\t}\n\n}\n\nfunction WebGLCubeMaps( renderer ) {\n\n\tlet cubemaps = new WeakMap();\n\n\tfunction mapTextureMapping( texture, mapping ) {\n\n\t\tif ( mapping === EquirectangularReflectionMapping ) {\n\n\t\t\ttexture.mapping = CubeReflectionMapping;\n\n\t\t} else if ( mapping === EquirectangularRefractionMapping ) {\n\n\t\t\ttexture.mapping = CubeRefractionMapping;\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction get( texture ) {\n\n\t\tif ( texture && texture.isTexture && texture.isRenderTargetTexture === false ) {\n\n\t\t\tconst mapping = texture.mapping;\n\n\t\t\tif ( mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping ) {\n\n\t\t\t\tif ( cubemaps.has( texture ) ) {\n\n\t\t\t\t\tconst cubemap = cubemaps.get( texture ).texture;\n\t\t\t\t\treturn mapTextureMapping( cubemap, texture.mapping );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst image = texture.image;\n\n\t\t\t\t\tif ( image && image.height > 0 ) {\n\n\t\t\t\t\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\t\t\t\t\tconst renderTarget = new WebGLCubeRenderTarget( image.height / 2 );\n\t\t\t\t\t\trenderTarget.fromEquirectangularTexture( renderer, texture );\n\t\t\t\t\t\tcubemaps.set( texture, renderTarget );\n\n\t\t\t\t\t\trenderer.setRenderTarget( currentRenderTarget );\n\n\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\treturn mapTextureMapping( renderTarget.texture, texture.mapping );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// image not yet ready. try the conversion next frame\n\n\t\t\t\t\t\treturn null;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tconst cubemap = cubemaps.get( texture );\n\n\t\tif ( cubemap !== undefined ) {\n\n\t\t\tcubemaps.delete( texture );\n\t\t\tcubemap.dispose();\n\n\t\t}\n\n\t}\n\n\tfunction dispose() {\n\n\t\tcubemaps = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nclass OrthographicCamera extends Camera {\n\n\tconstructor( left = - 1, right = 1, top = 1, bottom = - 1, near = 0.1, far = 2000 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'OrthographicCamera';\n\n\t\tthis.zoom = 1;\n\t\tthis.view = null;\n\n\t\tthis.left = left;\n\t\tthis.right = right;\n\t\tthis.top = top;\n\t\tthis.bottom = bottom;\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.left = source.left;\n\t\tthis.right = source.right;\n\t\tthis.top = source.top;\n\t\tthis.bottom = source.bottom;\n\t\tthis.near = source.near;\n\t\tthis.far = source.far;\n\n\t\tthis.zoom = source.zoom;\n\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\treturn this;\n\n\t}\n\n\tsetViewOffset( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\tif ( this.view === null ) {\n\n\t\t\tthis.view = {\n\t\t\t\tenabled: true,\n\t\t\t\tfullWidth: 1,\n\t\t\t\tfullHeight: 1,\n\t\t\t\toffsetX: 0,\n\t\t\t\toffsetY: 0,\n\t\t\t\twidth: 1,\n\t\t\t\theight: 1\n\t\t\t};\n\n\t\t}\n\n\t\tthis.view.enabled = true;\n\t\tthis.view.fullWidth = fullWidth;\n\t\tthis.view.fullHeight = fullHeight;\n\t\tthis.view.offsetX = x;\n\t\tthis.view.offsetY = y;\n\t\tthis.view.width = width;\n\t\tthis.view.height = height;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tclearViewOffset() {\n\n\t\tif ( this.view !== null ) {\n\n\t\t\tthis.view.enabled = false;\n\n\t\t}\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tupdateProjectionMatrix() {\n\n\t\tconst dx = ( this.right - this.left ) / ( 2 * this.zoom );\n\t\tconst dy = ( this.top - this.bottom ) / ( 2 * this.zoom );\n\t\tconst cx = ( this.right + this.left ) / 2;\n\t\tconst cy = ( this.top + this.bottom ) / 2;\n\n\t\tlet left = cx - dx;\n\t\tlet right = cx + dx;\n\t\tlet top = cy + dy;\n\t\tlet bottom = cy - dy;\n\n\t\tif ( this.view !== null && this.view.enabled ) {\n\n\t\t\tconst scaleW = ( this.right - this.left ) / this.view.fullWidth / this.zoom;\n\t\t\tconst scaleH = ( this.top - this.bottom ) / this.view.fullHeight / this.zoom;\n\n\t\t\tleft += scaleW * this.view.offsetX;\n\t\t\tright = left + scaleW * this.view.width;\n\t\t\ttop -= scaleH * this.view.offsetY;\n\t\t\tbottom = top - scaleH * this.view.height;\n\n\t\t}\n\n\t\tthis.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far );\n\n\t\tthis.projectionMatrixInverse.copy( this.projectionMatrix ).invert();\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.zoom = this.zoom;\n\t\tdata.object.left = this.left;\n\t\tdata.object.right = this.right;\n\t\tdata.object.top = this.top;\n\t\tdata.object.bottom = this.bottom;\n\t\tdata.object.near = this.near;\n\t\tdata.object.far = this.far;\n\n\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\treturn data;\n\n\t}\n\n}\n\nOrthographicCamera.prototype.isOrthographicCamera = true;\n\nclass RawShaderMaterial extends ShaderMaterial {\n\n\tconstructor( parameters ) {\n\n\t\tsuper( parameters );\n\n\t\tthis.type = 'RawShaderMaterial';\n\n\t}\n\n}\n\nRawShaderMaterial.prototype.isRawShaderMaterial = true;\n\nconst LOD_MIN = 4;\nconst LOD_MAX = 8;\nconst SIZE_MAX = Math.pow( 2, LOD_MAX );\n\n// The standard deviations (radians) associated with the extra mips. These are\n// chosen to approximate a Trowbridge-Reitz distribution function times the\n// geometric shadowing function. These sigma values squared must match the\n// variance #defines in cube_uv_reflection_fragment.glsl.js.\nconst EXTRA_LOD_SIGMA = [ 0.125, 0.215, 0.35, 0.446, 0.526, 0.582 ];\n\nconst TOTAL_LODS = LOD_MAX - LOD_MIN + 1 + EXTRA_LOD_SIGMA.length;\n\n// The maximum length of the blur for loop. Smaller sigmas will use fewer\n// samples and exit early, but not recompile the shader.\nconst MAX_SAMPLES = 20;\n\nconst ENCODINGS = {\n\t[ LinearEncoding ]: 0,\n\t[ sRGBEncoding ]: 1,\n\t[ RGBEEncoding ]: 2,\n\t[ RGBM7Encoding ]: 3,\n\t[ RGBM16Encoding ]: 4,\n\t[ RGBDEncoding ]: 5,\n\t[ GammaEncoding ]: 6\n};\n\nconst _flatCamera = /*@__PURE__*/ new OrthographicCamera();\nconst { _lodPlanes, _sizeLods, _sigmas } = /*@__PURE__*/ _createPlanes();\nconst _clearColor = /*@__PURE__*/ new Color();\nlet _oldTarget = null;\n\n// Golden Ratio\nconst PHI = ( 1 + Math.sqrt( 5 ) ) / 2;\nconst INV_PHI = 1 / PHI;\n\n// Vertices of a dodecahedron (except the opposites, which represent the\n// same axis), used as axis directions evenly spread on a sphere.\nconst _axisDirections = [\n\t/*@__PURE__*/ new Vector3( 1, 1, 1 ),\n\t/*@__PURE__*/ new Vector3( - 1, 1, 1 ),\n\t/*@__PURE__*/ new Vector3( 1, 1, - 1 ),\n\t/*@__PURE__*/ new Vector3( - 1, 1, - 1 ),\n\t/*@__PURE__*/ new Vector3( 0, PHI, INV_PHI ),\n\t/*@__PURE__*/ new Vector3( 0, PHI, - INV_PHI ),\n\t/*@__PURE__*/ new Vector3( INV_PHI, 0, PHI ),\n\t/*@__PURE__*/ new Vector3( - INV_PHI, 0, PHI ),\n\t/*@__PURE__*/ new Vector3( PHI, INV_PHI, 0 ),\n\t/*@__PURE__*/ new Vector3( - PHI, INV_PHI, 0 ) ];\n\n/**\n * This class generates a Prefiltered, Mipmapped Radiance Environment Map\n * (PMREM) from a cubeMap environment texture. This allows different levels of\n * blur to be quickly accessed based on material roughness. It is packed into a\n * special CubeUV format that allows us to perform custom interpolation so that\n * we can support nonlinear formats such as RGBE. Unlike a traditional mipmap\n * chain, it only goes down to the LOD_MIN level (above), and then creates extra\n * even more filtered 'mips' at the same LOD_MIN resolution, associated with\n * higher roughness levels. In this way we maintain resolution to smoothly\n * interpolate diffuse lighting while limiting sampling computation.\n *\n * Paper: Fast, Accurate Image-Based Lighting\n * https://drive.google.com/file/d/15y8r_UpKlU9SvV4ILb0C3qCPecS8pvLz/view\n*/\n\nclass PMREMGenerator {\n\n\tconstructor( renderer ) {\n\n\t\tthis._renderer = renderer;\n\t\tthis._pingPongRenderTarget = null;\n\n\t\tthis._blurMaterial = _getBlurShader( MAX_SAMPLES );\n\t\tthis._equirectShader = null;\n\t\tthis._cubemapShader = null;\n\n\t\tthis._compileMaterial( this._blurMaterial );\n\n\t}\n\n\t/**\n\t * Generates a PMREM from a supplied Scene, which can be faster than using an\n\t * image if networking bandwidth is low. Optional sigma specifies a blur radius\n\t * in radians to be applied to the scene before PMREM generation. Optional near\n\t * and far planes ensure the scene is rendered in its entirety (the cubeCamera\n\t * is placed at the origin).\n\t */\n\tfromScene( scene, sigma = 0, near = 0.1, far = 100 ) {\n\n\t\t_oldTarget = this._renderer.getRenderTarget();\n\t\tconst cubeUVRenderTarget = this._allocateTargets();\n\n\t\tthis._sceneToCubeUV( scene, near, far, cubeUVRenderTarget );\n\t\tif ( sigma > 0 ) {\n\n\t\t\tthis._blur( cubeUVRenderTarget, 0, 0, sigma );\n\n\t\t}\n\n\t\tthis._applyPMREM( cubeUVRenderTarget );\n\t\tthis._cleanup( cubeUVRenderTarget );\n\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t/**\n\t * Generates a PMREM from an equirectangular texture, which can be either LDR\n\t * (RGBFormat) or HDR (RGBEFormat). The ideal input image size is 1k (1024 x 512),\n\t * as this matches best with the 256 x 256 cubemap output.\n\t */\n\tfromEquirectangular( equirectangular ) {\n\n\t\treturn this._fromTexture( equirectangular );\n\n\t}\n\n\t/**\n\t * Generates a PMREM from an cubemap texture, which can be either LDR\n\t * (RGBFormat) or HDR (RGBEFormat). The ideal input cube size is 256 x 256,\n\t * as this matches best with the 256 x 256 cubemap output.\n\t */\n\tfromCubemap( cubemap ) {\n\n\t\treturn this._fromTexture( cubemap );\n\n\t}\n\n\t/**\n\t * Pre-compiles the cubemap shader. You can get faster start-up by invoking this method during\n\t * your texture's network fetch for increased concurrency.\n\t */\n\tcompileCubemapShader() {\n\n\t\tif ( this._cubemapShader === null ) {\n\n\t\t\tthis._cubemapShader = _getCubemapShader();\n\t\t\tthis._compileMaterial( this._cubemapShader );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Pre-compiles the equirectangular shader. You can get faster start-up by invoking this method during\n\t * your texture's network fetch for increased concurrency.\n\t */\n\tcompileEquirectangularShader() {\n\n\t\tif ( this._equirectShader === null ) {\n\n\t\t\tthis._equirectShader = _getEquirectShader();\n\t\t\tthis._compileMaterial( this._equirectShader );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Disposes of the PMREMGenerator's internal memory. Note that PMREMGenerator is a static class,\n\t * so you should not need more than one PMREMGenerator object. If you do, calling dispose() on\n\t * one of them will cause any others to also become unusable.\n\t */\n\tdispose() {\n\n\t\tthis._blurMaterial.dispose();\n\n\t\tif ( this._cubemapShader !== null ) this._cubemapShader.dispose();\n\t\tif ( this._equirectShader !== null ) this._equirectShader.dispose();\n\n\t\tfor ( let i = 0; i < _lodPlanes.length; i ++ ) {\n\n\t\t\t_lodPlanes[ i ].dispose();\n\n\t\t}\n\n\t}\n\n\t// private interface\n\n\t_cleanup( outputTarget ) {\n\n\t\tthis._pingPongRenderTarget.dispose();\n\t\tthis._renderer.setRenderTarget( _oldTarget );\n\t\toutputTarget.scissorTest = false;\n\t\t_setViewport( outputTarget, 0, 0, outputTarget.width, outputTarget.height );\n\n\t}\n\n\t_fromTexture( texture ) {\n\n\t\t_oldTarget = this._renderer.getRenderTarget();\n\t\tconst cubeUVRenderTarget = this._allocateTargets( texture );\n\t\tthis._textureToCubeUV( texture, cubeUVRenderTarget );\n\t\tthis._applyPMREM( cubeUVRenderTarget );\n\t\tthis._cleanup( cubeUVRenderTarget );\n\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t_allocateTargets( texture ) { // warning: null texture is valid\n\n\t\tconst params = {\n\t\t\tmagFilter: NearestFilter,\n\t\t\tminFilter: NearestFilter,\n\t\t\tgenerateMipmaps: false,\n\t\t\ttype: UnsignedByteType,\n\t\t\tformat: RGBEFormat,\n\t\t\tencoding: _isLDR( texture ) ? texture.encoding : RGBEEncoding,\n\t\t\tdepthBuffer: false\n\t\t};\n\n\t\tconst cubeUVRenderTarget = _createRenderTarget( params );\n\t\tcubeUVRenderTarget.depthBuffer = texture ? false : true;\n\t\tthis._pingPongRenderTarget = _createRenderTarget( params );\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t_compileMaterial( material ) {\n\n\t\tconst tmpMesh = new Mesh( _lodPlanes[ 0 ], material );\n\t\tthis._renderer.compile( tmpMesh, _flatCamera );\n\n\t}\n\n\t_sceneToCubeUV( scene, near, far, cubeUVRenderTarget ) {\n\n\t\tconst fov = 90;\n\t\tconst aspect = 1;\n\t\tconst cubeCamera = new PerspectiveCamera( fov, aspect, near, far );\n\t\tconst upSign = [ 1, - 1, 1, 1, 1, 1 ];\n\t\tconst forwardSign = [ 1, 1, 1, - 1, - 1, - 1 ];\n\t\tconst renderer = this._renderer;\n\n\t\tconst originalAutoClear = renderer.autoClear;\n\t\tconst outputEncoding = renderer.outputEncoding;\n\t\tconst toneMapping = renderer.toneMapping;\n\t\trenderer.getClearColor( _clearColor );\n\n\t\trenderer.toneMapping = NoToneMapping;\n\t\trenderer.outputEncoding = LinearEncoding;\n\t\trenderer.autoClear = false;\n\n\t\tconst backgroundMaterial = new MeshBasicMaterial( {\n\t\t\tname: 'PMREM.Background',\n\t\t\tside: BackSide,\n\t\t\tdepthWrite: false,\n\t\t\tdepthTest: false,\n\t\t} );\n\n\t\tconst backgroundBox = new Mesh( new BoxGeometry(), backgroundMaterial );\n\n\t\tlet useSolidColor = false;\n\t\tconst background = scene.background;\n\n\t\tif ( background ) {\n\n\t\t\tif ( background.isColor ) {\n\n\t\t\t\tbackgroundMaterial.color.copy( background );\n\t\t\t\tscene.background = null;\n\t\t\t\tuseSolidColor = true;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tbackgroundMaterial.color.copy( _clearColor );\n\t\t\tuseSolidColor = true;\n\n\t\t}\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst col = i % 3;\n\t\t\tif ( col == 0 ) {\n\n\t\t\t\tcubeCamera.up.set( 0, upSign[ i ], 0 );\n\t\t\t\tcubeCamera.lookAt( forwardSign[ i ], 0, 0 );\n\n\t\t\t} else if ( col == 1 ) {\n\n\t\t\t\tcubeCamera.up.set( 0, 0, upSign[ i ] );\n\t\t\t\tcubeCamera.lookAt( 0, forwardSign[ i ], 0 );\n\n\t\t\t} else {\n\n\t\t\t\tcubeCamera.up.set( 0, upSign[ i ], 0 );\n\t\t\t\tcubeCamera.lookAt( 0, 0, forwardSign[ i ] );\n\n\t\t\t}\n\n\t\t\t_setViewport( cubeUVRenderTarget,\n\t\t\t\tcol * SIZE_MAX, i > 2 ? SIZE_MAX : 0, SIZE_MAX, SIZE_MAX );\n\t\t\trenderer.setRenderTarget( cubeUVRenderTarget );\n\n\t\t\tif ( useSolidColor ) {\n\n\t\t\t\trenderer.render( backgroundBox, cubeCamera );\n\n\t\t\t}\n\n\t\t\trenderer.render( scene, cubeCamera );\n\n\t\t}\n\n\t\tbackgroundBox.geometry.dispose();\n\t\tbackgroundBox.material.dispose();\n\n\t\trenderer.toneMapping = toneMapping;\n\t\trenderer.outputEncoding = outputEncoding;\n\t\trenderer.autoClear = originalAutoClear;\n\t\tscene.background = background;\n\n\t}\n\n\t_setEncoding( uniform, texture ) {\n\n\t\t/* if ( this._renderer.capabilities.isWebGL2 === true && texture.format === RGBAFormat && texture.type === UnsignedByteType && texture.encoding === sRGBEncoding ) {\n\n\t\t\tuniform.value = ENCODINGS[ LinearEncoding ];\n\n\t\t} else {\n\n\t\t\tuniform.value = ENCODINGS[ texture.encoding ];\n\n\t\t} */\n\n\t\tuniform.value = ENCODINGS[ texture.encoding ];\n\n\t}\n\n\t_textureToCubeUV( texture, cubeUVRenderTarget ) {\n\n\t\tconst renderer = this._renderer;\n\n\t\tconst isCubeTexture = ( texture.mapping === CubeReflectionMapping || texture.mapping === CubeRefractionMapping );\n\n\t\tif ( isCubeTexture ) {\n\n\t\t\tif ( this._cubemapShader == null ) {\n\n\t\t\t\tthis._cubemapShader = _getCubemapShader();\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tif ( this._equirectShader == null ) {\n\n\t\t\t\tthis._equirectShader = _getEquirectShader();\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst material = isCubeTexture ? this._cubemapShader : this._equirectShader;\n\t\tconst mesh = new Mesh( _lodPlanes[ 0 ], material );\n\n\t\tconst uniforms = material.uniforms;\n\n\t\tuniforms[ 'envMap' ].value = texture;\n\n\t\tif ( ! isCubeTexture ) {\n\n\t\t\tuniforms[ 'texelSize' ].value.set( 1.0 / texture.image.width, 1.0 / texture.image.height );\n\n\t\t}\n\n\t\tthis._setEncoding( uniforms[ 'inputEncoding' ], texture );\n\t\tthis._setEncoding( uniforms[ 'outputEncoding' ], cubeUVRenderTarget.texture );\n\n\t\t_setViewport( cubeUVRenderTarget, 0, 0, 3 * SIZE_MAX, 2 * SIZE_MAX );\n\n\t\trenderer.setRenderTarget( cubeUVRenderTarget );\n\t\trenderer.render( mesh, _flatCamera );\n\n\t}\n\n\t_applyPMREM( cubeUVRenderTarget ) {\n\n\t\tconst renderer = this._renderer;\n\t\tconst autoClear = renderer.autoClear;\n\t\trenderer.autoClear = false;\n\n\t\tfor ( let i = 1; i < TOTAL_LODS; i ++ ) {\n\n\t\t\tconst sigma = Math.sqrt( _sigmas[ i ] * _sigmas[ i ] - _sigmas[ i - 1 ] * _sigmas[ i - 1 ] );\n\n\t\t\tconst poleAxis = _axisDirections[ ( i - 1 ) % _axisDirections.length ];\n\n\t\t\tthis._blur( cubeUVRenderTarget, i - 1, i, sigma, poleAxis );\n\n\t\t}\n\n\t\trenderer.autoClear = autoClear;\n\n\t}\n\n\t/**\n\t * This is a two-pass Gaussian blur for a cubemap. Normally this is done\n\t * vertically and horizontally, but this breaks down on a cube. Here we apply\n\t * the blur latitudinally (around the poles), and then longitudinally (towards\n\t * the poles) to approximate the orthogonally-separable blur. It is least\n\t * accurate at the poles, but still does a decent job.\n\t */\n\t_blur( cubeUVRenderTarget, lodIn, lodOut, sigma, poleAxis ) {\n\n\t\tconst pingPongRenderTarget = this._pingPongRenderTarget;\n\n\t\tthis._halfBlur(\n\t\t\tcubeUVRenderTarget,\n\t\t\tpingPongRenderTarget,\n\t\t\tlodIn,\n\t\t\tlodOut,\n\t\t\tsigma,\n\t\t\t'latitudinal',\n\t\t\tpoleAxis );\n\n\t\tthis._halfBlur(\n\t\t\tpingPongRenderTarget,\n\t\t\tcubeUVRenderTarget,\n\t\t\tlodOut,\n\t\t\tlodOut,\n\t\t\tsigma,\n\t\t\t'longitudinal',\n\t\t\tpoleAxis );\n\n\t}\n\n\t_halfBlur( targetIn, targetOut, lodIn, lodOut, sigmaRadians, direction, poleAxis ) {\n\n\t\tconst renderer = this._renderer;\n\t\tconst blurMaterial = this._blurMaterial;\n\n\t\tif ( direction !== 'latitudinal' && direction !== 'longitudinal' ) {\n\n\t\t\tconsole.error(\n\t\t\t\t'blur direction must be either latitudinal or longitudinal!' );\n\n\t\t}\n\n\t\t// Number of standard deviations at which to cut off the discrete approximation.\n\t\tconst STANDARD_DEVIATIONS = 3;\n\n\t\tconst blurMesh = new Mesh( _lodPlanes[ lodOut ], blurMaterial );\n\t\tconst blurUniforms = blurMaterial.uniforms;\n\n\t\tconst pixels = _sizeLods[ lodIn ] - 1;\n\t\tconst radiansPerPixel = isFinite( sigmaRadians ) ? Math.PI / ( 2 * pixels ) : 2 * Math.PI / ( 2 * MAX_SAMPLES - 1 );\n\t\tconst sigmaPixels = sigmaRadians / radiansPerPixel;\n\t\tconst samples = isFinite( sigmaRadians ) ? 1 + Math.floor( STANDARD_DEVIATIONS * sigmaPixels ) : MAX_SAMPLES;\n\n\t\tif ( samples > MAX_SAMPLES ) {\n\n\t\t\tconsole.warn( `sigmaRadians, ${\n\t\t\t\tsigmaRadians}, is too large and will clip, as it requested ${\n\t\t\t\tsamples} samples when the maximum is set to ${MAX_SAMPLES}` );\n\n\t\t}\n\n\t\tconst weights = [];\n\t\tlet sum = 0;\n\n\t\tfor ( let i = 0; i < MAX_SAMPLES; ++ i ) {\n\n\t\t\tconst x = i / sigmaPixels;\n\t\t\tconst weight = Math.exp( - x * x / 2 );\n\t\t\tweights.push( weight );\n\n\t\t\tif ( i == 0 ) {\n\n\t\t\t\tsum += weight;\n\n\t\t\t} else if ( i < samples ) {\n\n\t\t\t\tsum += 2 * weight;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfor ( let i = 0; i < weights.length; i ++ ) {\n\n\t\t\tweights[ i ] = weights[ i ] / sum;\n\n\t\t}\n\n\t\tblurUniforms[ 'envMap' ].value = targetIn.texture;\n\t\tblurUniforms[ 'samples' ].value = samples;\n\t\tblurUniforms[ 'weights' ].value = weights;\n\t\tblurUniforms[ 'latitudinal' ].value = direction === 'latitudinal';\n\n\t\tif ( poleAxis ) {\n\n\t\t\tblurUniforms[ 'poleAxis' ].value = poleAxis;\n\n\t\t}\n\n\t\tblurUniforms[ 'dTheta' ].value = radiansPerPixel;\n\t\tblurUniforms[ 'mipInt' ].value = LOD_MAX - lodIn;\n\n\t\tthis._setEncoding( blurUniforms[ 'inputEncoding' ], targetIn.texture );\n\t\tthis._setEncoding( blurUniforms[ 'outputEncoding' ], targetIn.texture );\n\n\t\tconst outputSize = _sizeLods[ lodOut ];\n\t\tconst x = 3 * Math.max( 0, SIZE_MAX - 2 * outputSize );\n\t\tconst y = ( lodOut === 0 ? 0 : 2 * SIZE_MAX ) + 2 * outputSize * ( lodOut > LOD_MAX - LOD_MIN ? lodOut - LOD_MAX + LOD_MIN : 0 );\n\n\t\t_setViewport( targetOut, x, y, 3 * outputSize, 2 * outputSize );\n\t\trenderer.setRenderTarget( targetOut );\n\t\trenderer.render( blurMesh, _flatCamera );\n\n\t}\n\n}\n\nfunction _isLDR( texture ) {\n\n\tif ( texture === undefined || texture.type !== UnsignedByteType ) return false;\n\n\treturn texture.encoding === LinearEncoding || texture.encoding === sRGBEncoding || texture.encoding === GammaEncoding;\n\n}\n\nfunction _createPlanes() {\n\n\tconst _lodPlanes = [];\n\tconst _sizeLods = [];\n\tconst _sigmas = [];\n\n\tlet lod = LOD_MAX;\n\n\tfor ( let i = 0; i < TOTAL_LODS; i ++ ) {\n\n\t\tconst sizeLod = Math.pow( 2, lod );\n\t\t_sizeLods.push( sizeLod );\n\t\tlet sigma = 1.0 / sizeLod;\n\n\t\tif ( i > LOD_MAX - LOD_MIN ) {\n\n\t\t\tsigma = EXTRA_LOD_SIGMA[ i - LOD_MAX + LOD_MIN - 1 ];\n\n\t\t} else if ( i == 0 ) {\n\n\t\t\tsigma = 0;\n\n\t\t}\n\n\t\t_sigmas.push( sigma );\n\n\t\tconst texelSize = 1.0 / ( sizeLod - 1 );\n\t\tconst min = - texelSize / 2;\n\t\tconst max = 1 + texelSize / 2;\n\t\tconst uv1 = [ min, min, max, min, max, max, min, min, max, max, min, max ];\n\n\t\tconst cubeFaces = 6;\n\t\tconst vertices = 6;\n\t\tconst positionSize = 3;\n\t\tconst uvSize = 2;\n\t\tconst faceIndexSize = 1;\n\n\t\tconst position = new Float32Array( positionSize * vertices * cubeFaces );\n\t\tconst uv = new Float32Array( uvSize * vertices * cubeFaces );\n\t\tconst faceIndex = new Float32Array( faceIndexSize * vertices * cubeFaces );\n\n\t\tfor ( let face = 0; face < cubeFaces; face ++ ) {\n\n\t\t\tconst x = ( face % 3 ) * 2 / 3 - 1;\n\t\t\tconst y = face > 2 ? 0 : - 1;\n\t\t\tconst coordinates = [\n\t\t\t\tx, y, 0,\n\t\t\t\tx + 2 / 3, y, 0,\n\t\t\t\tx + 2 / 3, y + 1, 0,\n\t\t\t\tx, y, 0,\n\t\t\t\tx + 2 / 3, y + 1, 0,\n\t\t\t\tx, y + 1, 0\n\t\t\t];\n\t\t\tposition.set( coordinates, positionSize * vertices * face );\n\t\t\tuv.set( uv1, uvSize * vertices * face );\n\t\t\tconst fill = [ face, face, face, face, face, face ];\n\t\t\tfaceIndex.set( fill, faceIndexSize * vertices * face );\n\n\t\t}\n\n\t\tconst planes = new BufferGeometry();\n\t\tplanes.setAttribute( 'position', new BufferAttribute( position, positionSize ) );\n\t\tplanes.setAttribute( 'uv', new BufferAttribute( uv, uvSize ) );\n\t\tplanes.setAttribute( 'faceIndex', new BufferAttribute( faceIndex, faceIndexSize ) );\n\t\t_lodPlanes.push( planes );\n\n\t\tif ( lod > LOD_MIN ) {\n\n\t\t\tlod --;\n\n\t\t}\n\n\t}\n\n\treturn { _lodPlanes, _sizeLods, _sigmas };\n\n}\n\nfunction _createRenderTarget( params ) {\n\n\tconst cubeUVRenderTarget = new WebGLRenderTarget( 3 * SIZE_MAX, 3 * SIZE_MAX, params );\n\tcubeUVRenderTarget.texture.mapping = CubeUVReflectionMapping;\n\tcubeUVRenderTarget.texture.name = 'PMREM.cubeUv';\n\tcubeUVRenderTarget.scissorTest = true;\n\treturn cubeUVRenderTarget;\n\n}\n\nfunction _setViewport( target, x, y, width, height ) {\n\n\ttarget.viewport.set( x, y, width, height );\n\ttarget.scissor.set( x, y, width, height );\n\n}\n\nfunction _getBlurShader( maxSamples ) {\n\n\tconst weights = new Float32Array( maxSamples );\n\tconst poleAxis = new Vector3( 0, 1, 0 );\n\tconst shaderMaterial = new RawShaderMaterial( {\n\n\t\tname: 'SphericalGaussianBlur',\n\n\t\tdefines: { 'n': maxSamples },\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null },\n\t\t\t'samples': { value: 1 },\n\t\t\t'weights': { value: weights },\n\t\t\t'latitudinal': { value: false },\n\t\t\t'dTheta': { value: 0 },\n\t\t\t'mipInt': { value: 0 },\n\t\t\t'poleAxis': { value: poleAxis },\n\t\t\t'inputEncoding': { value: ENCODINGS[ LinearEncoding ] },\n\t\t\t'outputEncoding': { value: ENCODINGS[ LinearEncoding ] }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t${ _getEncodings() }\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include \n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n\treturn shaderMaterial;\n\n}\n\nfunction _getEquirectShader() {\n\n\tconst texelSize = new Vector2( 1, 1 );\n\tconst shaderMaterial = new RawShaderMaterial( {\n\n\t\tname: 'EquirectangularToCubeUV',\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null },\n\t\t\t'texelSize': { value: texelSize },\n\t\t\t'inputEncoding': { value: ENCODINGS[ LinearEncoding ] },\n\t\t\t'outputEncoding': { value: ENCODINGS[ LinearEncoding ] }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform vec2 texelSize;\n\n\t\t\t${ _getEncodings() }\n\n\t\t\t#include \n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tvec2 f = fract( uv / texelSize - 0.5 );\n\t\t\t\tuv -= f * texelSize;\n\t\t\t\tvec3 tl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.x += texelSize.x;\n\t\t\t\tvec3 tr = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.y += texelSize.y;\n\t\t\t\tvec3 br = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.x -= texelSize.x;\n\t\t\t\tvec3 bl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\n\t\t\t\tvec3 tm = mix( tl, tr, f.x );\n\t\t\t\tvec3 bm = mix( bl, br, f.x );\n\t\t\t\tgl_FragColor.rgb = mix( tm, bm, f.y );\n\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n\treturn shaderMaterial;\n\n}\n\nfunction _getCubemapShader() {\n\n\tconst shaderMaterial = new RawShaderMaterial( {\n\n\t\tname: 'CubemapToCubeUV',\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null },\n\t\t\t'inputEncoding': { value: ENCODINGS[ LinearEncoding ] },\n\t\t\t'outputEncoding': { value: ENCODINGS[ LinearEncoding ] }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\t${ _getEncodings() }\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb = envMapTexelToLinear( textureCube( envMap, vec3( - vOutputDirection.x, vOutputDirection.yz ) ) ).rgb;\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n\treturn shaderMaterial;\n\n}\n\nfunction _getCommonVertexShader() {\n\n\treturn /* glsl */`\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute vec3 position;\n\t\tattribute vec2 uv;\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t`;\n\n}\n\nfunction _getEncodings() {\n\n\treturn /* glsl */`\n\n\t\tuniform int inputEncoding;\n\t\tuniform int outputEncoding;\n\n\t\t#include \n\n\t\tvec4 inputTexelToLinear( vec4 value ) {\n\n\t\t\tif ( inputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( inputEncoding == 1 ) {\n\n\t\t\t\treturn sRGBToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 2 ) {\n\n\t\t\t\treturn RGBEToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 3 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 7.0 );\n\n\t\t\t} else if ( inputEncoding == 4 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 16.0 );\n\n\t\t\t} else if ( inputEncoding == 5 ) {\n\n\t\t\t\treturn RGBDToLinear( value, 256.0 );\n\n\t\t\t} else {\n\n\t\t\t\treturn GammaToLinear( value, 2.2 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tvec4 linearToOutputTexel( vec4 value ) {\n\n\t\t\tif ( outputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( outputEncoding == 1 ) {\n\n\t\t\t\treturn LinearTosRGB( value );\n\n\t\t\t} else if ( outputEncoding == 2 ) {\n\n\t\t\t\treturn LinearToRGBE( value );\n\n\t\t\t} else if ( outputEncoding == 3 ) {\n\n\t\t\t\treturn LinearToRGBM( value, 7.0 );\n\n\t\t\t} else if ( outputEncoding == 4 ) {\n\n\t\t\t\treturn LinearToRGBM( value, 16.0 );\n\n\t\t\t} else if ( outputEncoding == 5 ) {\n\n\t\t\t\treturn LinearToRGBD( value, 256.0 );\n\n\t\t\t} else {\n\n\t\t\t\treturn LinearToGamma( value, 2.2 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tvec4 envMapTexelToLinear( vec4 color ) {\n\n\t\t\treturn inputTexelToLinear( color );\n\n\t\t}\n\t`;\n\n}\n\nfunction WebGLCubeUVMaps( renderer ) {\n\n\tlet cubeUVmaps = new WeakMap();\n\n\tlet pmremGenerator = null;\n\n\tfunction get( texture ) {\n\n\t\tif ( texture && texture.isTexture && texture.isRenderTargetTexture === false ) {\n\n\t\t\tconst mapping = texture.mapping;\n\n\t\t\tconst isEquirectMap = ( mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping );\n\t\t\tconst isCubeMap = ( mapping === CubeReflectionMapping || mapping === CubeRefractionMapping );\n\n\t\t\tif ( isEquirectMap || isCubeMap ) {\n\n\t\t\t\t// equirect/cube map to cubeUV conversion\n\n\t\t\t\tif ( cubeUVmaps.has( texture ) ) {\n\n\t\t\t\t\treturn cubeUVmaps.get( texture ).texture;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst image = texture.image;\n\n\t\t\t\t\tif ( ( isEquirectMap && image && image.height > 0 ) || ( isCubeMap && image && isCubeTextureComplete( image ) ) ) {\n\n\t\t\t\t\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\t\t\t\t\tif ( pmremGenerator === null ) pmremGenerator = new PMREMGenerator( renderer );\n\n\t\t\t\t\t\tconst renderTarget = isEquirectMap ? pmremGenerator.fromEquirectangular( texture ) : pmremGenerator.fromCubemap( texture );\n\t\t\t\t\t\tcubeUVmaps.set( texture, renderTarget );\n\n\t\t\t\t\t\trenderer.setRenderTarget( currentRenderTarget );\n\n\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\treturn renderTarget.texture;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// image not yet ready. try the conversion next frame\n\n\t\t\t\t\t\treturn null;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction isCubeTextureComplete( image ) {\n\n\t\tlet count = 0;\n\t\tconst length = 6;\n\n\t\tfor ( let i = 0; i < length; i ++ ) {\n\n\t\t\tif ( image[ i ] !== undefined ) count ++;\n\n\t\t}\n\n\t\treturn count === length;\n\n\n\t}\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tconst cubemapUV = cubeUVmaps.get( texture );\n\n\t\tif ( cubemapUV !== undefined ) {\n\n\t\t\tcubeUVmaps.delete( texture );\n\t\t\tcubemapUV.dispose();\n\n\t\t}\n\n\t}\n\n\tfunction dispose() {\n\n\t\tcubeUVmaps = new WeakMap();\n\n\t\tif ( pmremGenerator !== null ) {\n\n\t\t\tpmremGenerator.dispose();\n\t\t\tpmremGenerator = null;\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction WebGLExtensions( gl ) {\n\n\tconst extensions = {};\n\n\tfunction getExtension( name ) {\n\n\t\tif ( extensions[ name ] !== undefined ) {\n\n\t\t\treturn extensions[ name ];\n\n\t\t}\n\n\t\tlet extension;\n\n\t\tswitch ( name ) {\n\n\t\t\tcase 'WEBGL_depth_texture':\n\t\t\t\textension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' );\n\t\t\t\tbreak;\n\n\t\t\tcase 'EXT_texture_filter_anisotropic':\n\t\t\t\textension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' );\n\t\t\t\tbreak;\n\n\t\t\tcase 'WEBGL_compressed_texture_s3tc':\n\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' );\n\t\t\t\tbreak;\n\n\t\t\tcase 'WEBGL_compressed_texture_pvrtc':\n\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' );\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\textension = gl.getExtension( name );\n\n\t\t}\n\n\t\textensions[ name ] = extension;\n\n\t\treturn extension;\n\n\t}\n\n\treturn {\n\n\t\thas: function ( name ) {\n\n\t\t\treturn getExtension( name ) !== null;\n\n\t\t},\n\n\t\tinit: function ( capabilities ) {\n\n\t\t\tif ( capabilities.isWebGL2 ) {\n\n\t\t\t\tgetExtension( 'EXT_color_buffer_float' );\n\n\t\t\t} else {\n\n\t\t\t\tgetExtension( 'WEBGL_depth_texture' );\n\t\t\t\tgetExtension( 'OES_texture_float' );\n\t\t\t\tgetExtension( 'OES_texture_half_float' );\n\t\t\t\tgetExtension( 'OES_texture_half_float_linear' );\n\t\t\t\tgetExtension( 'OES_standard_derivatives' );\n\t\t\t\tgetExtension( 'OES_element_index_uint' );\n\t\t\t\tgetExtension( 'OES_vertex_array_object' );\n\t\t\t\tgetExtension( 'ANGLE_instanced_arrays' );\n\n\t\t\t}\n\n\t\t\tgetExtension( 'OES_texture_float_linear' );\n\t\t\tgetExtension( 'EXT_color_buffer_half_float' );\n\t\t\tgetExtension( 'WEBGL_multisampled_render_to_texture' );\n\n\t\t},\n\n\t\tget: function ( name ) {\n\n\t\t\tconst extension = getExtension( name );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' );\n\n\t\t\t}\n\n\t\t\treturn extension;\n\n\t\t}\n\n\t};\n\n}\n\nfunction WebGLGeometries( gl, attributes, info, bindingStates ) {\n\n\tconst geometries = {};\n\tconst wireframeAttributes = new WeakMap();\n\n\tfunction onGeometryDispose( event ) {\n\n\t\tconst geometry = event.target;\n\n\t\tif ( geometry.index !== null ) {\n\n\t\t\tattributes.remove( geometry.index );\n\n\t\t}\n\n\t\tfor ( const name in geometry.attributes ) {\n\n\t\t\tattributes.remove( geometry.attributes[ name ] );\n\n\t\t}\n\n\t\tgeometry.removeEventListener( 'dispose', onGeometryDispose );\n\n\t\tdelete geometries[ geometry.id ];\n\n\t\tconst attribute = wireframeAttributes.get( geometry );\n\n\t\tif ( attribute ) {\n\n\t\t\tattributes.remove( attribute );\n\t\t\twireframeAttributes.delete( geometry );\n\n\t\t}\n\n\t\tbindingStates.releaseStatesOfGeometry( geometry );\n\n\t\tif ( geometry.isInstancedBufferGeometry === true ) {\n\n\t\t\tdelete geometry._maxInstanceCount;\n\n\t\t}\n\n\t\t//\n\n\t\tinfo.memory.geometries --;\n\n\t}\n\n\tfunction get( object, geometry ) {\n\n\t\tif ( geometries[ geometry.id ] === true ) return geometry;\n\n\t\tgeometry.addEventListener( 'dispose', onGeometryDispose );\n\n\t\tgeometries[ geometry.id ] = true;\n\n\t\tinfo.memory.geometries ++;\n\n\t\treturn geometry;\n\n\t}\n\n\tfunction update( geometry ) {\n\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\t// Updating index buffer in VAO now. See WebGLBindingStates.\n\n\t\tfor ( const name in geometryAttributes ) {\n\n\t\t\tattributes.update( geometryAttributes[ name ], 34962 );\n\n\t\t}\n\n\t\t// morph targets\n\n\t\tconst morphAttributes = geometry.morphAttributes;\n\n\t\tfor ( const name in morphAttributes ) {\n\n\t\t\tconst array = morphAttributes[ name ];\n\n\t\t\tfor ( let i = 0, l = array.length; i < l; i ++ ) {\n\n\t\t\t\tattributes.update( array[ i ], 34962 );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction updateWireframeAttribute( geometry ) {\n\n\t\tconst indices = [];\n\n\t\tconst geometryIndex = geometry.index;\n\t\tconst geometryPosition = geometry.attributes.position;\n\t\tlet version = 0;\n\n\t\tif ( geometryIndex !== null ) {\n\n\t\t\tconst array = geometryIndex.array;\n\t\t\tversion = geometryIndex.version;\n\n\t\t\tfor ( let i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\tconst a = array[ i + 0 ];\n\t\t\t\tconst b = array[ i + 1 ];\n\t\t\t\tconst c = array[ i + 2 ];\n\n\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst array = geometryPosition.array;\n\t\t\tversion = geometryPosition.version;\n\n\t\t\tfor ( let i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) {\n\n\t\t\t\tconst a = i + 0;\n\t\t\t\tconst b = i + 1;\n\t\t\t\tconst c = i + 2;\n\n\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst attribute = new ( arrayMax( indices ) > 65535 ? Uint32BufferAttribute : Uint16BufferAttribute )( indices, 1 );\n\t\tattribute.version = version;\n\n\t\t// Updating index buffer in VAO now. See WebGLBindingStates\n\n\t\t//\n\n\t\tconst previousAttribute = wireframeAttributes.get( geometry );\n\n\t\tif ( previousAttribute ) attributes.remove( previousAttribute );\n\n\t\t//\n\n\t\twireframeAttributes.set( geometry, attribute );\n\n\t}\n\n\tfunction getWireframeAttribute( geometry ) {\n\n\t\tconst currentAttribute = wireframeAttributes.get( geometry );\n\n\t\tif ( currentAttribute ) {\n\n\t\t\tconst geometryIndex = geometry.index;\n\n\t\t\tif ( geometryIndex !== null ) {\n\n\t\t\t\t// if the attribute is obsolete, create a new one\n\n\t\t\t\tif ( currentAttribute.version < geometryIndex.version ) {\n\n\t\t\t\t\tupdateWireframeAttribute( geometry );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tupdateWireframeAttribute( geometry );\n\n\t\t}\n\n\t\treturn wireframeAttributes.get( geometry );\n\n\t}\n\n\treturn {\n\n\t\tget: get,\n\t\tupdate: update,\n\n\t\tgetWireframeAttribute: getWireframeAttribute\n\n\t};\n\n}\n\nfunction WebGLIndexedBufferRenderer( gl, extensions, info, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tlet mode;\n\n\tfunction setMode( value ) {\n\n\t\tmode = value;\n\n\t}\n\n\tlet type, bytesPerElement;\n\n\tfunction setIndex( value ) {\n\n\t\ttype = value.type;\n\t\tbytesPerElement = value.bytesPerElement;\n\n\t}\n\n\tfunction render( start, count ) {\n\n\t\tgl.drawElements( mode, count, type, start * bytesPerElement );\n\n\t\tinfo.update( count, mode, 1 );\n\n\t}\n\n\tfunction renderInstances( start, count, primcount ) {\n\n\t\tif ( primcount === 0 ) return;\n\n\t\tlet extension, methodName;\n\n\t\tif ( isWebGL2 ) {\n\n\t\t\textension = gl;\n\t\t\tmethodName = 'drawElementsInstanced';\n\n\t\t} else {\n\n\t\t\textension = extensions.get( 'ANGLE_instanced_arrays' );\n\t\t\tmethodName = 'drawElementsInstancedANGLE';\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLIndexedBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\textension[ methodName ]( mode, count, type, start * bytesPerElement, primcount );\n\n\t\tinfo.update( count, mode, primcount );\n\n\t}\n\n\t//\n\n\tthis.setMode = setMode;\n\tthis.setIndex = setIndex;\n\tthis.render = render;\n\tthis.renderInstances = renderInstances;\n\n}\n\nfunction WebGLInfo( gl ) {\n\n\tconst memory = {\n\t\tgeometries: 0,\n\t\ttextures: 0\n\t};\n\n\tconst render = {\n\t\tframe: 0,\n\t\tcalls: 0,\n\t\ttriangles: 0,\n\t\tpoints: 0,\n\t\tlines: 0\n\t};\n\n\tfunction update( count, mode, instanceCount ) {\n\n\t\trender.calls ++;\n\n\t\tswitch ( mode ) {\n\n\t\t\tcase 4:\n\t\t\t\trender.triangles += instanceCount * ( count / 3 );\n\t\t\t\tbreak;\n\n\t\t\tcase 1:\n\t\t\t\trender.lines += instanceCount * ( count / 2 );\n\t\t\t\tbreak;\n\n\t\t\tcase 3:\n\t\t\t\trender.lines += instanceCount * ( count - 1 );\n\t\t\t\tbreak;\n\n\t\t\tcase 2:\n\t\t\t\trender.lines += instanceCount * count;\n\t\t\t\tbreak;\n\n\t\t\tcase 0:\n\t\t\t\trender.points += instanceCount * count;\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tconsole.error( 'THREE.WebGLInfo: Unknown draw mode:', mode );\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\tfunction reset() {\n\n\t\trender.frame ++;\n\t\trender.calls = 0;\n\t\trender.triangles = 0;\n\t\trender.points = 0;\n\t\trender.lines = 0;\n\n\t}\n\n\treturn {\n\t\tmemory: memory,\n\t\trender: render,\n\t\tprograms: null,\n\t\tautoReset: true,\n\t\treset: reset,\n\t\tupdate: update\n\t};\n\n}\n\nclass DataTexture2DArray extends Texture {\n\n\tconstructor( data = null, width = 1, height = 1, depth = 1 ) {\n\n\t\tsuper( null );\n\n\t\tthis.image = { data, width, height, depth };\n\n\t\tthis.magFilter = NearestFilter;\n\t\tthis.minFilter = NearestFilter;\n\n\t\tthis.wrapR = ClampToEdgeWrapping;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nDataTexture2DArray.prototype.isDataTexture2DArray = true;\n\nfunction numericalSort( a, b ) {\n\n\treturn a[ 0 ] - b[ 0 ];\n\n}\n\nfunction absNumericalSort( a, b ) {\n\n\treturn Math.abs( b[ 1 ] ) - Math.abs( a[ 1 ] );\n\n}\n\nfunction denormalize( morph, attribute ) {\n\n\tlet denominator = 1;\n\tconst array = attribute.isInterleavedBufferAttribute ? attribute.data.array : attribute.array;\n\n\tif ( array instanceof Int8Array ) denominator = 127;\n\telse if ( array instanceof Int16Array ) denominator = 32767;\n\telse if ( array instanceof Int32Array ) denominator = 2147483647;\n\telse console.error( 'THREE.WebGLMorphtargets: Unsupported morph attribute data type: ', array );\n\n\tmorph.divideScalar( denominator );\n\n}\n\nfunction WebGLMorphtargets( gl, capabilities, textures ) {\n\n\tconst influencesList = {};\n\tconst morphInfluences = new Float32Array( 8 );\n\tconst morphTextures = new WeakMap();\n\tconst morph = new Vector3();\n\n\tconst workInfluences = [];\n\n\tfor ( let i = 0; i < 8; i ++ ) {\n\n\t\tworkInfluences[ i ] = [ i, 0 ];\n\n\t}\n\n\tfunction update( object, geometry, material, program ) {\n\n\t\tconst objectInfluences = object.morphTargetInfluences;\n\n\t\tif ( capabilities.isWebGL2 === true ) {\n\n\t\t\t// instead of using attributes, the WebGL 2 code path encodes morph targets\n\t\t\t// into an array of data textures. Each layer represents a single morph target.\n\n\t\t\tconst numberOfMorphTargets = geometry.morphAttributes.position.length;\n\n\t\t\tlet entry = morphTextures.get( geometry );\n\n\t\t\tif ( entry === undefined || entry.count !== numberOfMorphTargets ) {\n\n\t\t\t\tif ( entry !== undefined ) entry.texture.dispose();\n\n\t\t\t\tconst hasMorphNormals = geometry.morphAttributes.normal !== undefined;\n\n\t\t\t\tconst morphTargets = geometry.morphAttributes.position;\n\t\t\t\tconst morphNormals = geometry.morphAttributes.normal || [];\n\n\t\t\t\tconst numberOfVertices = geometry.attributes.position.count;\n\t\t\t\tconst numberOfVertexData = ( hasMorphNormals === true ) ? 2 : 1; // (v,n) vs. (v)\n\n\t\t\t\tlet width = numberOfVertices * numberOfVertexData;\n\t\t\t\tlet height = 1;\n\n\t\t\t\tif ( width > capabilities.maxTextureSize ) {\n\n\t\t\t\t\theight = Math.ceil( width / capabilities.maxTextureSize );\n\t\t\t\t\twidth = capabilities.maxTextureSize;\n\n\t\t\t\t}\n\n\t\t\t\tconst buffer = new Float32Array( width * height * 4 * numberOfMorphTargets );\n\n\t\t\t\tconst texture = new DataTexture2DArray( buffer, width, height, numberOfMorphTargets );\n\t\t\t\ttexture.format = RGBAFormat; // using RGBA since RGB might be emulated (and is thus slower)\n\t\t\t\ttexture.type = FloatType;\n\n\t\t\t\t// fill buffer\n\n\t\t\t\tconst vertexDataStride = numberOfVertexData * 4;\n\n\t\t\t\tfor ( let i = 0; i < numberOfMorphTargets; i ++ ) {\n\n\t\t\t\t\tconst morphTarget = morphTargets[ i ];\n\t\t\t\t\tconst morphNormal = morphNormals[ i ];\n\n\t\t\t\t\tconst offset = width * height * 4 * i;\n\n\t\t\t\t\tfor ( let j = 0; j < morphTarget.count; j ++ ) {\n\n\t\t\t\t\t\tmorph.fromBufferAttribute( morphTarget, j );\n\n\t\t\t\t\t\tif ( morphTarget.normalized === true ) denormalize( morph, morphTarget );\n\n\t\t\t\t\t\tconst stride = j * vertexDataStride;\n\n\t\t\t\t\t\tbuffer[ offset + stride + 0 ] = morph.x;\n\t\t\t\t\t\tbuffer[ offset + stride + 1 ] = morph.y;\n\t\t\t\t\t\tbuffer[ offset + stride + 2 ] = morph.z;\n\t\t\t\t\t\tbuffer[ offset + stride + 3 ] = 0;\n\n\t\t\t\t\t\tif ( hasMorphNormals === true ) {\n\n\t\t\t\t\t\t\tmorph.fromBufferAttribute( morphNormal, j );\n\n\t\t\t\t\t\t\tif ( morphNormal.normalized === true ) denormalize( morph, morphNormal );\n\n\t\t\t\t\t\t\tbuffer[ offset + stride + 4 ] = morph.x;\n\t\t\t\t\t\t\tbuffer[ offset + stride + 5 ] = morph.y;\n\t\t\t\t\t\t\tbuffer[ offset + stride + 6 ] = morph.z;\n\t\t\t\t\t\t\tbuffer[ offset + stride + 7 ] = 0;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tentry = {\n\t\t\t\t\tcount: numberOfMorphTargets,\n\t\t\t\t\ttexture: texture,\n\t\t\t\t\tsize: new Vector2( width, height )\n\t\t\t\t};\n\n\t\t\t\tmorphTextures.set( geometry, entry );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tlet morphInfluencesSum = 0;\n\n\t\t\tfor ( let i = 0; i < objectInfluences.length; i ++ ) {\n\n\t\t\t\tmorphInfluencesSum += objectInfluences[ i ];\n\n\t\t\t}\n\n\t\t\tconst morphBaseInfluence = geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum;\n\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetBaseInfluence', morphBaseInfluence );\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetInfluences', objectInfluences );\n\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetsTexture', entry.texture, textures );\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetsTextureSize', entry.size );\n\n\n\t\t} else {\n\n\t\t\t// When object doesn't have morph target influences defined, we treat it as a 0-length array\n\t\t\t// This is important to make sure we set up morphTargetBaseInfluence / morphTargetInfluences\n\n\t\t\tconst length = objectInfluences === undefined ? 0 : objectInfluences.length;\n\n\t\t\tlet influences = influencesList[ geometry.id ];\n\n\t\t\tif ( influences === undefined || influences.length !== length ) {\n\n\t\t\t\t// initialise list\n\n\t\t\t\tinfluences = [];\n\n\t\t\t\tfor ( let i = 0; i < length; i ++ ) {\n\n\t\t\t\t\tinfluences[ i ] = [ i, 0 ];\n\n\t\t\t\t}\n\n\t\t\t\tinfluencesList[ geometry.id ] = influences;\n\n\t\t\t}\n\n\t\t\t// Collect influences\n\n\t\t\tfor ( let i = 0; i < length; i ++ ) {\n\n\t\t\t\tconst influence = influences[ i ];\n\n\t\t\t\tinfluence[ 0 ] = i;\n\t\t\t\tinfluence[ 1 ] = objectInfluences[ i ];\n\n\t\t\t}\n\n\t\t\tinfluences.sort( absNumericalSort );\n\n\t\t\tfor ( let i = 0; i < 8; i ++ ) {\n\n\t\t\t\tif ( i < length && influences[ i ][ 1 ] ) {\n\n\t\t\t\t\tworkInfluences[ i ][ 0 ] = influences[ i ][ 0 ];\n\t\t\t\t\tworkInfluences[ i ][ 1 ] = influences[ i ][ 1 ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\tworkInfluences[ i ][ 0 ] = Number.MAX_SAFE_INTEGER;\n\t\t\t\t\tworkInfluences[ i ][ 1 ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tworkInfluences.sort( numericalSort );\n\n\t\t\tconst morphTargets = geometry.morphAttributes.position;\n\t\t\tconst morphNormals = geometry.morphAttributes.normal;\n\n\t\t\tlet morphInfluencesSum = 0;\n\n\t\t\tfor ( let i = 0; i < 8; i ++ ) {\n\n\t\t\t\tconst influence = workInfluences[ i ];\n\t\t\t\tconst index = influence[ 0 ];\n\t\t\t\tconst value = influence[ 1 ];\n\n\t\t\t\tif ( index !== Number.MAX_SAFE_INTEGER && value ) {\n\n\t\t\t\t\tif ( morphTargets && geometry.getAttribute( 'morphTarget' + i ) !== morphTargets[ index ] ) {\n\n\t\t\t\t\t\tgeometry.setAttribute( 'morphTarget' + i, morphTargets[ index ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( morphNormals && geometry.getAttribute( 'morphNormal' + i ) !== morphNormals[ index ] ) {\n\n\t\t\t\t\t\tgeometry.setAttribute( 'morphNormal' + i, morphNormals[ index ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tmorphInfluences[ i ] = value;\n\t\t\t\t\tmorphInfluencesSum += value;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( morphTargets && geometry.hasAttribute( 'morphTarget' + i ) === true ) {\n\n\t\t\t\t\t\tgeometry.deleteAttribute( 'morphTarget' + i );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( morphNormals && geometry.hasAttribute( 'morphNormal' + i ) === true ) {\n\n\t\t\t\t\t\tgeometry.deleteAttribute( 'morphNormal' + i );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tmorphInfluences[ i ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// GLSL shader uses formula baseinfluence * base + sum(target * influence)\n\t\t\t// This allows us to switch between absolute morphs and relative morphs without changing shader code\n\t\t\t// When baseinfluence = 1 - sum(influence), the above is equivalent to sum((target - base) * influence)\n\t\t\tconst morphBaseInfluence = geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum;\n\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetBaseInfluence', morphBaseInfluence );\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetInfluences', morphInfluences );\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\tupdate: update\n\n\t};\n\n}\n\nfunction WebGLObjects( gl, geometries, attributes, info ) {\n\n\tlet updateMap = new WeakMap();\n\n\tfunction update( object ) {\n\n\t\tconst frame = info.render.frame;\n\n\t\tconst geometry = object.geometry;\n\t\tconst buffergeometry = geometries.get( object, geometry );\n\n\t\t// Update once per frame\n\n\t\tif ( updateMap.get( buffergeometry ) !== frame ) {\n\n\t\t\tgeometries.update( buffergeometry );\n\n\t\t\tupdateMap.set( buffergeometry, frame );\n\n\t\t}\n\n\t\tif ( object.isInstancedMesh ) {\n\n\t\t\tif ( object.hasEventListener( 'dispose', onInstancedMeshDispose ) === false ) {\n\n\t\t\t\tobject.addEventListener( 'dispose', onInstancedMeshDispose );\n\n\t\t\t}\n\n\t\t\tattributes.update( object.instanceMatrix, 34962 );\n\n\t\t\tif ( object.instanceColor !== null ) {\n\n\t\t\t\tattributes.update( object.instanceColor, 34962 );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn buffergeometry;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tupdateMap = new WeakMap();\n\n\t}\n\n\tfunction onInstancedMeshDispose( event ) {\n\n\t\tconst instancedMesh = event.target;\n\n\t\tinstancedMesh.removeEventListener( 'dispose', onInstancedMeshDispose );\n\n\t\tattributes.remove( instancedMesh.instanceMatrix );\n\n\t\tif ( instancedMesh.instanceColor !== null ) attributes.remove( instancedMesh.instanceColor );\n\n\t}\n\n\treturn {\n\n\t\tupdate: update,\n\t\tdispose: dispose\n\n\t};\n\n}\n\nclass DataTexture3D extends Texture {\n\n\tconstructor( data = null, width = 1, height = 1, depth = 1 ) {\n\n\t\t// We're going to add .setXXX() methods for setting properties later.\n\t\t// Users can still set in DataTexture3D directly.\n\t\t//\n\t\t//\tconst texture = new THREE.DataTexture3D( data, width, height, depth );\n\t\t// \ttexture.anisotropy = 16;\n\t\t//\n\t\t// See #14839\n\n\t\tsuper( null );\n\n\t\tthis.image = { data, width, height, depth };\n\n\t\tthis.magFilter = NearestFilter;\n\t\tthis.minFilter = NearestFilter;\n\n\t\tthis.wrapR = ClampToEdgeWrapping;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nDataTexture3D.prototype.isDataTexture3D = true;\n\n/**\n * Uniforms of a program.\n * Those form a tree structure with a special top-level container for the root,\n * which you get by calling 'new WebGLUniforms( gl, program )'.\n *\n *\n * Properties of inner nodes including the top-level container:\n *\n * .seq - array of nested uniforms\n * .map - nested uniforms by name\n *\n *\n * Methods of all nodes except the top-level container:\n *\n * .setValue( gl, value, [textures] )\n *\n * \t\tuploads a uniform value(s)\n * \tthe 'textures' parameter is needed for sampler uniforms\n *\n *\n * Static methods of the top-level container (textures factorizations):\n *\n * .upload( gl, seq, values, textures )\n *\n * \t\tsets uniforms in 'seq' to 'values[id].value'\n *\n * .seqWithValue( seq, values ) : filteredSeq\n *\n * \t\tfilters 'seq' entries with corresponding entry in values\n *\n *\n * Methods of the top-level container (textures factorizations):\n *\n * .setValue( gl, name, value, textures )\n *\n * \t\tsets uniform with name 'name' to 'value'\n *\n * .setOptional( gl, obj, prop )\n *\n * \t\tlike .set for an optional property of the object\n *\n */\n\nconst emptyTexture = new Texture();\nconst emptyTexture2dArray = new DataTexture2DArray();\nconst emptyTexture3d = new DataTexture3D();\nconst emptyCubeTexture = new CubeTexture();\n\n// --- Utilities ---\n\n// Array Caches (provide typed arrays for temporary by size)\n\nconst arrayCacheF32 = [];\nconst arrayCacheI32 = [];\n\n// Float32Array caches used for uploading Matrix uniforms\n\nconst mat4array = new Float32Array( 16 );\nconst mat3array = new Float32Array( 9 );\nconst mat2array = new Float32Array( 4 );\n\n// Flattening for arrays of vectors and matrices\n\nfunction flatten( array, nBlocks, blockSize ) {\n\n\tconst firstElem = array[ 0 ];\n\n\tif ( firstElem <= 0 || firstElem > 0 ) return array;\n\t// unoptimized: ! isNaN( firstElem )\n\t// see http://jacksondunstan.com/articles/983\n\n\tconst n = nBlocks * blockSize;\n\tlet r = arrayCacheF32[ n ];\n\n\tif ( r === undefined ) {\n\n\t\tr = new Float32Array( n );\n\t\tarrayCacheF32[ n ] = r;\n\n\t}\n\n\tif ( nBlocks !== 0 ) {\n\n\t\tfirstElem.toArray( r, 0 );\n\n\t\tfor ( let i = 1, offset = 0; i !== nBlocks; ++ i ) {\n\n\t\t\toffset += blockSize;\n\t\t\tarray[ i ].toArray( r, offset );\n\n\t\t}\n\n\t}\n\n\treturn r;\n\n}\n\nfunction arraysEqual( a, b ) {\n\n\tif ( a.length !== b.length ) return false;\n\n\tfor ( let i = 0, l = a.length; i < l; i ++ ) {\n\n\t\tif ( a[ i ] !== b[ i ] ) return false;\n\n\t}\n\n\treturn true;\n\n}\n\nfunction copyArray( a, b ) {\n\n\tfor ( let i = 0, l = b.length; i < l; i ++ ) {\n\n\t\ta[ i ] = b[ i ];\n\n\t}\n\n}\n\n// Texture unit allocation\n\nfunction allocTexUnits( textures, n ) {\n\n\tlet r = arrayCacheI32[ n ];\n\n\tif ( r === undefined ) {\n\n\t\tr = new Int32Array( n );\n\t\tarrayCacheI32[ n ] = r;\n\n\t}\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\tr[ i ] = textures.allocateTextureUnit();\n\n\t}\n\n\treturn r;\n\n}\n\n// --- Setters ---\n\n// Note: Defining these methods externally, because they come in a bunch\n// and this way their names minify.\n\n// Single scalar\n\nfunction setValueV1f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1f( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single float vector (from flat array or THREE.VectorN)\n\nfunction setValueV2f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y ) {\n\n\t\t\tgl.uniform2f( this.addr, v.x, v.y );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform2fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV3f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z ) {\n\n\t\t\tgl.uniform3f( this.addr, v.x, v.y, v.z );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\n\t\t}\n\n\t} else if ( v.r !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.r || cache[ 1 ] !== v.g || cache[ 2 ] !== v.b ) {\n\n\t\t\tgl.uniform3f( this.addr, v.r, v.g, v.b );\n\n\t\t\tcache[ 0 ] = v.r;\n\t\t\tcache[ 1 ] = v.g;\n\t\t\tcache[ 2 ] = v.b;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform3fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV4f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z || cache[ 3 ] !== v.w ) {\n\n\t\t\tgl.uniform4f( this.addr, v.x, v.y, v.z, v.w );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\t\t\tcache[ 3 ] = v.w;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform4fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\n// Single matrix (from flat array or THREE.MatrixN)\n\nfunction setValueM2( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix2fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat2array.set( elements );\n\n\t\tgl.uniformMatrix2fv( this.addr, false, mat2array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\nfunction setValueM3( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix3fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat3array.set( elements );\n\n\t\tgl.uniformMatrix3fv( this.addr, false, mat3array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\nfunction setValueM4( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix4fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat4array.set( elements );\n\n\t\tgl.uniformMatrix4fv( this.addr, false, mat4array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\n// Single integer / boolean\n\nfunction setValueV1i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1i( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single integer / boolean vector (from flat array)\n\nfunction setValueV2i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform2iv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\nfunction setValueV3i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform3iv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\nfunction setValueV4i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform4iv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\n// Single unsigned integer\n\nfunction setValueV1ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1ui( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single unsigned integer vector (from flat array)\n\nfunction setValueV2ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform2uiv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\nfunction setValueV3ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform3uiv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\nfunction setValueV4ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform4uiv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\n\n// Single texture (2D / Cube)\n\nfunction setValueT1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.safeSetTexture2D( v || emptyTexture, unit );\n\n}\n\nfunction setValueT3D1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.setTexture3D( v || emptyTexture3d, unit );\n\n}\n\nfunction setValueT6( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.safeSetTextureCube( v || emptyCubeTexture, unit );\n\n}\n\nfunction setValueT2DArray1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.setTexture2DArray( v || emptyTexture2dArray, unit );\n\n}\n\n// Helper to pick the right setter for the singular case\n\nfunction getSingularSetter( type ) {\n\n\tswitch ( type ) {\n\n\t\tcase 0x1406: return setValueV1f; // FLOAT\n\t\tcase 0x8b50: return setValueV2f; // _VEC2\n\t\tcase 0x8b51: return setValueV3f; // _VEC3\n\t\tcase 0x8b52: return setValueV4f; // _VEC4\n\n\t\tcase 0x8b5a: return setValueM2; // _MAT2\n\t\tcase 0x8b5b: return setValueM3; // _MAT3\n\t\tcase 0x8b5c: return setValueM4; // _MAT4\n\n\t\tcase 0x1404: case 0x8b56: return setValueV1i; // INT, BOOL\n\t\tcase 0x8b53: case 0x8b57: return setValueV2i; // _VEC2\n\t\tcase 0x8b54: case 0x8b58: return setValueV3i; // _VEC3\n\t\tcase 0x8b55: case 0x8b59: return setValueV4i; // _VEC4\n\n\t\tcase 0x1405: return setValueV1ui; // UINT\n\t\tcase 0x8dc6: return setValueV2ui; // _VEC2\n\t\tcase 0x8dc7: return setValueV3ui; // _VEC3\n\t\tcase 0x8dc8: return setValueV4ui; // _VEC4\n\n\t\tcase 0x8b5e: // SAMPLER_2D\n\t\tcase 0x8d66: // SAMPLER_EXTERNAL_OES\n\t\tcase 0x8dca: // INT_SAMPLER_2D\n\t\tcase 0x8dd2: // UNSIGNED_INT_SAMPLER_2D\n\t\tcase 0x8b62: // SAMPLER_2D_SHADOW\n\t\t\treturn setValueT1;\n\n\t\tcase 0x8b5f: // SAMPLER_3D\n\t\tcase 0x8dcb: // INT_SAMPLER_3D\n\t\tcase 0x8dd3: // UNSIGNED_INT_SAMPLER_3D\n\t\t\treturn setValueT3D1;\n\n\t\tcase 0x8b60: // SAMPLER_CUBE\n\t\tcase 0x8dcc: // INT_SAMPLER_CUBE\n\t\tcase 0x8dd4: // UNSIGNED_INT_SAMPLER_CUBE\n\t\tcase 0x8dc5: // SAMPLER_CUBE_SHADOW\n\t\t\treturn setValueT6;\n\n\t\tcase 0x8dc1: // SAMPLER_2D_ARRAY\n\t\tcase 0x8dcf: // INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dd7: // UNSIGNED_INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dc4: // SAMPLER_2D_ARRAY_SHADOW\n\t\t\treturn setValueT2DArray1;\n\n\t}\n\n}\n\n\n// Array of scalars\n\nfunction setValueV1fArray( gl, v ) {\n\n\tgl.uniform1fv( this.addr, v );\n\n}\n\n// Array of vectors (from flat array or array of THREE.VectorN)\n\nfunction setValueV2fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 2 );\n\n\tgl.uniform2fv( this.addr, data );\n\n}\n\nfunction setValueV3fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 3 );\n\n\tgl.uniform3fv( this.addr, data );\n\n}\n\nfunction setValueV4fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 4 );\n\n\tgl.uniform4fv( this.addr, data );\n\n}\n\n// Array of matrices (from flat array or array of THREE.MatrixN)\n\nfunction setValueM2Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 4 );\n\n\tgl.uniformMatrix2fv( this.addr, false, data );\n\n}\n\nfunction setValueM3Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 9 );\n\n\tgl.uniformMatrix3fv( this.addr, false, data );\n\n}\n\nfunction setValueM4Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 16 );\n\n\tgl.uniformMatrix4fv( this.addr, false, data );\n\n}\n\n// Array of integer / boolean\n\nfunction setValueV1iArray( gl, v ) {\n\n\tgl.uniform1iv( this.addr, v );\n\n}\n\n// Array of integer / boolean vectors (from flat array)\n\nfunction setValueV2iArray( gl, v ) {\n\n\tgl.uniform2iv( this.addr, v );\n\n}\n\nfunction setValueV3iArray( gl, v ) {\n\n\tgl.uniform3iv( this.addr, v );\n\n}\n\nfunction setValueV4iArray( gl, v ) {\n\n\tgl.uniform4iv( this.addr, v );\n\n}\n\n// Array of unsigned integer\n\nfunction setValueV1uiArray( gl, v ) {\n\n\tgl.uniform1uiv( this.addr, v );\n\n}\n\n// Array of unsigned integer vectors (from flat array)\n\nfunction setValueV2uiArray( gl, v ) {\n\n\tgl.uniform2uiv( this.addr, v );\n\n}\n\nfunction setValueV3uiArray( gl, v ) {\n\n\tgl.uniform3uiv( this.addr, v );\n\n}\n\nfunction setValueV4uiArray( gl, v ) {\n\n\tgl.uniform4uiv( this.addr, v );\n\n}\n\n\n// Array of textures (2D / 3D / Cube / 2DArray)\n\nfunction setValueT1Array( gl, v, textures ) {\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tgl.uniform1iv( this.addr, units );\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.safeSetTexture2D( v[ i ] || emptyTexture, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT3DArray( gl, v, textures ) {\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tgl.uniform1iv( this.addr, units );\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTexture3D( v[ i ] || emptyTexture3d, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT6Array( gl, v, textures ) {\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tgl.uniform1iv( this.addr, units );\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.safeSetTextureCube( v[ i ] || emptyCubeTexture, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT2DArrayArray( gl, v, textures ) {\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tgl.uniform1iv( this.addr, units );\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTexture2DArray( v[ i ] || emptyTexture2dArray, units[ i ] );\n\n\t}\n\n}\n\n\n// Helper to pick the right setter for a pure (bottom-level) array\n\nfunction getPureArraySetter( type ) {\n\n\tswitch ( type ) {\n\n\t\tcase 0x1406: return setValueV1fArray; // FLOAT\n\t\tcase 0x8b50: return setValueV2fArray; // _VEC2\n\t\tcase 0x8b51: return setValueV3fArray; // _VEC3\n\t\tcase 0x8b52: return setValueV4fArray; // _VEC4\n\n\t\tcase 0x8b5a: return setValueM2Array; // _MAT2\n\t\tcase 0x8b5b: return setValueM3Array; // _MAT3\n\t\tcase 0x8b5c: return setValueM4Array; // _MAT4\n\n\t\tcase 0x1404: case 0x8b56: return setValueV1iArray; // INT, BOOL\n\t\tcase 0x8b53: case 0x8b57: return setValueV2iArray; // _VEC2\n\t\tcase 0x8b54: case 0x8b58: return setValueV3iArray; // _VEC3\n\t\tcase 0x8b55: case 0x8b59: return setValueV4iArray; // _VEC4\n\n\t\tcase 0x1405: return setValueV1uiArray; // UINT\n\t\tcase 0x8dc6: return setValueV2uiArray; // _VEC2\n\t\tcase 0x8dc7: return setValueV3uiArray; // _VEC3\n\t\tcase 0x8dc8: return setValueV4uiArray; // _VEC4\n\n\t\tcase 0x8b5e: // SAMPLER_2D\n\t\tcase 0x8d66: // SAMPLER_EXTERNAL_OES\n\t\tcase 0x8dca: // INT_SAMPLER_2D\n\t\tcase 0x8dd2: // UNSIGNED_INT_SAMPLER_2D\n\t\tcase 0x8b62: // SAMPLER_2D_SHADOW\n\t\t\treturn setValueT1Array;\n\n\t\tcase 0x8b5f: // SAMPLER_3D\n\t\tcase 0x8dcb: // INT_SAMPLER_3D\n\t\tcase 0x8dd3: // UNSIGNED_INT_SAMPLER_3D\n\t\t\treturn setValueT3DArray;\n\n\t\tcase 0x8b60: // SAMPLER_CUBE\n\t\tcase 0x8dcc: // INT_SAMPLER_CUBE\n\t\tcase 0x8dd4: // UNSIGNED_INT_SAMPLER_CUBE\n\t\tcase 0x8dc5: // SAMPLER_CUBE_SHADOW\n\t\t\treturn setValueT6Array;\n\n\t\tcase 0x8dc1: // SAMPLER_2D_ARRAY\n\t\tcase 0x8dcf: // INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dd7: // UNSIGNED_INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dc4: // SAMPLER_2D_ARRAY_SHADOW\n\t\t\treturn setValueT2DArrayArray;\n\n\t}\n\n}\n\n// --- Uniform Classes ---\n\nfunction SingleUniform( id, activeInfo, addr ) {\n\n\tthis.id = id;\n\tthis.addr = addr;\n\tthis.cache = [];\n\tthis.setValue = getSingularSetter( activeInfo.type );\n\n\t// this.path = activeInfo.name; // DEBUG\n\n}\n\nfunction PureArrayUniform( id, activeInfo, addr ) {\n\n\tthis.id = id;\n\tthis.addr = addr;\n\tthis.cache = [];\n\tthis.size = activeInfo.size;\n\tthis.setValue = getPureArraySetter( activeInfo.type );\n\n\t// this.path = activeInfo.name; // DEBUG\n\n}\n\nPureArrayUniform.prototype.updateCache = function ( data ) {\n\n\tconst cache = this.cache;\n\n\tif ( data instanceof Float32Array && cache.length !== data.length ) {\n\n\t\tthis.cache = new Float32Array( data.length );\n\n\t}\n\n\tcopyArray( cache, data );\n\n};\n\nfunction StructuredUniform( id ) {\n\n\tthis.id = id;\n\n\tthis.seq = [];\n\tthis.map = {};\n\n}\n\nStructuredUniform.prototype.setValue = function ( gl, value, textures ) {\n\n\tconst seq = this.seq;\n\n\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\tconst u = seq[ i ];\n\t\tu.setValue( gl, value[ u.id ], textures );\n\n\t}\n\n};\n\n// --- Top-level ---\n\n// Parser - builds up the property tree from the path strings\n\nconst RePathPart = /(\\w+)(\\])?(\\[|\\.)?/g;\n\n// extracts\n// \t- the identifier (member name or array index)\n// - followed by an optional right bracket (found when array index)\n// - followed by an optional left bracket or dot (type of subscript)\n//\n// Note: These portions can be read in a non-overlapping fashion and\n// allow straightforward parsing of the hierarchy that WebGL encodes\n// in the uniform names.\n\nfunction addUniform( container, uniformObject ) {\n\n\tcontainer.seq.push( uniformObject );\n\tcontainer.map[ uniformObject.id ] = uniformObject;\n\n}\n\nfunction parseUniform( activeInfo, addr, container ) {\n\n\tconst path = activeInfo.name,\n\t\tpathLength = path.length;\n\n\t// reset RegExp object, because of the early exit of a previous run\n\tRePathPart.lastIndex = 0;\n\n\twhile ( true ) {\n\n\t\tconst match = RePathPart.exec( path ),\n\t\t\tmatchEnd = RePathPart.lastIndex;\n\n\t\tlet id = match[ 1 ];\n\t\tconst idIsIndex = match[ 2 ] === ']',\n\t\t\tsubscript = match[ 3 ];\n\n\t\tif ( idIsIndex ) id = id | 0; // convert to integer\n\n\t\tif ( subscript === undefined || subscript === '[' && matchEnd + 2 === pathLength ) {\n\n\t\t\t// bare name or \"pure\" bottom-level array \"[0]\" suffix\n\n\t\t\taddUniform( container, subscript === undefined ?\n\t\t\t\tnew SingleUniform( id, activeInfo, addr ) :\n\t\t\t\tnew PureArrayUniform( id, activeInfo, addr ) );\n\n\t\t\tbreak;\n\n\t\t} else {\n\n\t\t\t// step into inner node / create it in case it doesn't exist\n\n\t\t\tconst map = container.map;\n\t\t\tlet next = map[ id ];\n\n\t\t\tif ( next === undefined ) {\n\n\t\t\t\tnext = new StructuredUniform( id );\n\t\t\t\taddUniform( container, next );\n\n\t\t\t}\n\n\t\t\tcontainer = next;\n\n\t\t}\n\n\t}\n\n}\n\n// Root Container\n\nfunction WebGLUniforms( gl, program ) {\n\n\tthis.seq = [];\n\tthis.map = {};\n\n\tconst n = gl.getProgramParameter( program, 35718 );\n\n\tfor ( let i = 0; i < n; ++ i ) {\n\n\t\tconst info = gl.getActiveUniform( program, i ),\n\t\t\taddr = gl.getUniformLocation( program, info.name );\n\n\t\tparseUniform( info, addr, this );\n\n\t}\n\n}\n\nWebGLUniforms.prototype.setValue = function ( gl, name, value, textures ) {\n\n\tconst u = this.map[ name ];\n\n\tif ( u !== undefined ) u.setValue( gl, value, textures );\n\n};\n\nWebGLUniforms.prototype.setOptional = function ( gl, object, name ) {\n\n\tconst v = object[ name ];\n\n\tif ( v !== undefined ) this.setValue( gl, name, v );\n\n};\n\n\n// Static interface\n\nWebGLUniforms.upload = function ( gl, seq, values, textures ) {\n\n\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\tconst u = seq[ i ],\n\t\t\tv = values[ u.id ];\n\n\t\tif ( v.needsUpdate !== false ) {\n\n\t\t\t// note: always updating when .needsUpdate is undefined\n\t\t\tu.setValue( gl, v.value, textures );\n\n\t\t}\n\n\t}\n\n};\n\nWebGLUniforms.seqWithValue = function ( seq, values ) {\n\n\tconst r = [];\n\n\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\tconst u = seq[ i ];\n\t\tif ( u.id in values ) r.push( u );\n\n\t}\n\n\treturn r;\n\n};\n\nfunction WebGLShader( gl, type, string ) {\n\n\tconst shader = gl.createShader( type );\n\n\tgl.shaderSource( shader, string );\n\tgl.compileShader( shader );\n\n\treturn shader;\n\n}\n\nlet programIdCount = 0;\n\nfunction addLineNumbers( string ) {\n\n\tconst lines = string.split( '\\n' );\n\n\tfor ( let i = 0; i < lines.length; i ++ ) {\n\n\t\tlines[ i ] = ( i + 1 ) + ': ' + lines[ i ];\n\n\t}\n\n\treturn lines.join( '\\n' );\n\n}\n\nfunction getEncodingComponents( encoding ) {\n\n\tswitch ( encoding ) {\n\n\t\tcase LinearEncoding:\n\t\t\treturn [ 'Linear', '( value )' ];\n\t\tcase sRGBEncoding:\n\t\t\treturn [ 'sRGB', '( value )' ];\n\t\tcase RGBEEncoding:\n\t\t\treturn [ 'RGBE', '( value )' ];\n\t\tcase RGBM7Encoding:\n\t\t\treturn [ 'RGBM', '( value, 7.0 )' ];\n\t\tcase RGBM16Encoding:\n\t\t\treturn [ 'RGBM', '( value, 16.0 )' ];\n\t\tcase RGBDEncoding:\n\t\t\treturn [ 'RGBD', '( value, 256.0 )' ];\n\t\tcase GammaEncoding:\n\t\t\treturn [ 'Gamma', '( value, float( GAMMA_FACTOR ) )' ];\n\t\tdefault:\n\t\t\tconsole.warn( 'THREE.WebGLProgram: Unsupported encoding:', encoding );\n\t\t\treturn [ 'Linear', '( value )' ];\n\n\t}\n\n}\n\nfunction getShaderErrors( gl, shader, type ) {\n\n\tconst status = gl.getShaderParameter( shader, 35713 );\n\tconst errors = gl.getShaderInfoLog( shader ).trim();\n\n\tif ( status && errors === '' ) return '';\n\n\t// --enable-privileged-webgl-extension\n\t// console.log( '**' + type + '**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) );\n\n\treturn type.toUpperCase() + '\\n\\n' + errors + '\\n\\n' + addLineNumbers( gl.getShaderSource( shader ) );\n\n}\n\nfunction getTexelDecodingFunction( functionName, encoding ) {\n\n\tconst components = getEncodingComponents( encoding );\n\treturn 'vec4 ' + functionName + '( vec4 value ) { return ' + components[ 0 ] + 'ToLinear' + components[ 1 ] + '; }';\n\n}\n\nfunction getTexelEncodingFunction( functionName, encoding ) {\n\n\tconst components = getEncodingComponents( encoding );\n\treturn 'vec4 ' + functionName + '( vec4 value ) { return LinearTo' + components[ 0 ] + components[ 1 ] + '; }';\n\n}\n\nfunction getToneMappingFunction( functionName, toneMapping ) {\n\n\tlet toneMappingName;\n\n\tswitch ( toneMapping ) {\n\n\t\tcase LinearToneMapping:\n\t\t\ttoneMappingName = 'Linear';\n\t\t\tbreak;\n\n\t\tcase ReinhardToneMapping:\n\t\t\ttoneMappingName = 'Reinhard';\n\t\t\tbreak;\n\n\t\tcase CineonToneMapping:\n\t\t\ttoneMappingName = 'OptimizedCineon';\n\t\t\tbreak;\n\n\t\tcase ACESFilmicToneMapping:\n\t\t\ttoneMappingName = 'ACESFilmic';\n\t\t\tbreak;\n\n\t\tcase CustomToneMapping:\n\t\t\ttoneMappingName = 'Custom';\n\t\t\tbreak;\n\n\t\tdefault:\n\t\t\tconsole.warn( 'THREE.WebGLProgram: Unsupported toneMapping:', toneMapping );\n\t\t\ttoneMappingName = 'Linear';\n\n\t}\n\n\treturn 'vec3 ' + functionName + '( vec3 color ) { return ' + toneMappingName + 'ToneMapping( color ); }';\n\n}\n\nfunction generateExtensions( parameters ) {\n\n\tconst chunks = [\n\t\t( parameters.extensionDerivatives || parameters.envMapCubeUV || parameters.bumpMap || parameters.tangentSpaceNormalMap || parameters.clearcoatNormalMap || parameters.flatShading || parameters.shaderID === 'physical' ) ? '#extension GL_OES_standard_derivatives : enable' : '',\n\t\t( parameters.extensionFragDepth || parameters.logarithmicDepthBuffer ) && parameters.rendererExtensionFragDepth ? '#extension GL_EXT_frag_depth : enable' : '',\n\t\t( parameters.extensionDrawBuffers && parameters.rendererExtensionDrawBuffers ) ? '#extension GL_EXT_draw_buffers : require' : '',\n\t\t( parameters.extensionShaderTextureLOD || parameters.envMap || parameters.transmission ) && parameters.rendererExtensionShaderTextureLod ? '#extension GL_EXT_shader_texture_lod : enable' : ''\n\t];\n\n\treturn chunks.filter( filterEmptyLine ).join( '\\n' );\n\n}\n\nfunction generateDefines( defines ) {\n\n\tconst chunks = [];\n\n\tfor ( const name in defines ) {\n\n\t\tconst value = defines[ name ];\n\n\t\tif ( value === false ) continue;\n\n\t\tchunks.push( '#define ' + name + ' ' + value );\n\n\t}\n\n\treturn chunks.join( '\\n' );\n\n}\n\nfunction fetchAttributeLocations( gl, program ) {\n\n\tconst attributes = {};\n\n\tconst n = gl.getProgramParameter( program, 35721 );\n\n\tfor ( let i = 0; i < n; i ++ ) {\n\n\t\tconst info = gl.getActiveAttrib( program, i );\n\t\tconst name = info.name;\n\n\t\tlet locationSize = 1;\n\t\tif ( info.type === 35674 ) locationSize = 2;\n\t\tif ( info.type === 35675 ) locationSize = 3;\n\t\tif ( info.type === 35676 ) locationSize = 4;\n\n\t\t// console.log( 'THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:', name, i );\n\n\t\tattributes[ name ] = {\n\t\t\ttype: info.type,\n\t\t\tlocation: gl.getAttribLocation( program, name ),\n\t\t\tlocationSize: locationSize\n\t\t};\n\n\t}\n\n\treturn attributes;\n\n}\n\nfunction filterEmptyLine( string ) {\n\n\treturn string !== '';\n\n}\n\nfunction replaceLightNums( string, parameters ) {\n\n\treturn string\n\t\t.replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights )\n\t\t.replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights )\n\t\t.replace( /NUM_RECT_AREA_LIGHTS/g, parameters.numRectAreaLights )\n\t\t.replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights )\n\t\t.replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights )\n\t\t.replace( /NUM_DIR_LIGHT_SHADOWS/g, parameters.numDirLightShadows )\n\t\t.replace( /NUM_SPOT_LIGHT_SHADOWS/g, parameters.numSpotLightShadows )\n\t\t.replace( /NUM_POINT_LIGHT_SHADOWS/g, parameters.numPointLightShadows );\n\n}\n\nfunction replaceClippingPlaneNums( string, parameters ) {\n\n\treturn string\n\t\t.replace( /NUM_CLIPPING_PLANES/g, parameters.numClippingPlanes )\n\t\t.replace( /UNION_CLIPPING_PLANES/g, ( parameters.numClippingPlanes - parameters.numClipIntersection ) );\n\n}\n\n// Resolve Includes\n\nconst includePattern = /^[ \\t]*#include +<([\\w\\d./]+)>/gm;\n\nfunction resolveIncludes( string ) {\n\n\treturn string.replace( includePattern, includeReplacer );\n\n}\n\nfunction includeReplacer( match, include ) {\n\n\tconst string = ShaderChunk[ include ];\n\n\tif ( string === undefined ) {\n\n\t\tthrow new Error( 'Can not resolve #include <' + include + '>' );\n\n\t}\n\n\treturn resolveIncludes( string );\n\n}\n\n// Unroll Loops\n\nconst deprecatedUnrollLoopPattern = /#pragma unroll_loop[\\s]+?for \\( int i \\= (\\d+)\\; i < (\\d+)\\; i \\+\\+ \\) \\{([\\s\\S]+?)(?=\\})\\}/g;\nconst unrollLoopPattern = /#pragma unroll_loop_start\\s+for\\s*\\(\\s*int\\s+i\\s*=\\s*(\\d+)\\s*;\\s*i\\s*<\\s*(\\d+)\\s*;\\s*i\\s*\\+\\+\\s*\\)\\s*{([\\s\\S]+?)}\\s+#pragma unroll_loop_end/g;\n\nfunction unrollLoops( string ) {\n\n\treturn string\n\t\t.replace( unrollLoopPattern, loopReplacer )\n\t\t.replace( deprecatedUnrollLoopPattern, deprecatedLoopReplacer );\n\n}\n\nfunction deprecatedLoopReplacer( match, start, end, snippet ) {\n\n\tconsole.warn( 'WebGLProgram: #pragma unroll_loop shader syntax is deprecated. Please use #pragma unroll_loop_start syntax instead.' );\n\treturn loopReplacer( match, start, end, snippet );\n\n}\n\nfunction loopReplacer( match, start, end, snippet ) {\n\n\tlet string = '';\n\n\tfor ( let i = parseInt( start ); i < parseInt( end ); i ++ ) {\n\n\t\tstring += snippet\n\t\t\t.replace( /\\[\\s*i\\s*\\]/g, '[ ' + i + ' ]' )\n\t\t\t.replace( /UNROLLED_LOOP_INDEX/g, i );\n\n\t}\n\n\treturn string;\n\n}\n\n//\n\nfunction generatePrecision( parameters ) {\n\n\tlet precisionstring = 'precision ' + parameters.precision + ' float;\\nprecision ' + parameters.precision + ' int;';\n\n\tif ( parameters.precision === 'highp' ) {\n\n\t\tprecisionstring += '\\n#define HIGH_PRECISION';\n\n\t} else if ( parameters.precision === 'mediump' ) {\n\n\t\tprecisionstring += '\\n#define MEDIUM_PRECISION';\n\n\t} else if ( parameters.precision === 'lowp' ) {\n\n\t\tprecisionstring += '\\n#define LOW_PRECISION';\n\n\t}\n\n\treturn precisionstring;\n\n}\n\nfunction generateShadowMapTypeDefine( parameters ) {\n\n\tlet shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC';\n\n\tif ( parameters.shadowMapType === PCFShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF';\n\n\t} else if ( parameters.shadowMapType === PCFSoftShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT';\n\n\t} else if ( parameters.shadowMapType === VSMShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_VSM';\n\n\t}\n\n\treturn shadowMapTypeDefine;\n\n}\n\nfunction generateEnvMapTypeDefine( parameters ) {\n\n\tlet envMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.envMapMode ) {\n\n\t\t\tcase CubeReflectionMapping:\n\t\t\tcase CubeRefractionMapping:\n\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\t\t\tbreak;\n\n\t\t\tcase CubeUVReflectionMapping:\n\t\t\tcase CubeUVRefractionMapping:\n\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapTypeDefine;\n\n}\n\nfunction generateEnvMapModeDefine( parameters ) {\n\n\tlet envMapModeDefine = 'ENVMAP_MODE_REFLECTION';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.envMapMode ) {\n\n\t\t\tcase CubeRefractionMapping:\n\t\t\tcase CubeUVRefractionMapping:\n\n\t\t\t\tenvMapModeDefine = 'ENVMAP_MODE_REFRACTION';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapModeDefine;\n\n}\n\nfunction generateEnvMapBlendingDefine( parameters ) {\n\n\tlet envMapBlendingDefine = 'ENVMAP_BLENDING_NONE';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.combine ) {\n\n\t\t\tcase MultiplyOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\t\t\t\tbreak;\n\n\t\t\tcase MixOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MIX';\n\t\t\t\tbreak;\n\n\t\t\tcase AddOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_ADD';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapBlendingDefine;\n\n}\n\nfunction WebGLProgram( renderer, cacheKey, parameters, bindingStates ) {\n\n\t// TODO Send this event to Three.js DevTools\n\t// console.log( 'WebGLProgram', cacheKey );\n\n\tconst gl = renderer.getContext();\n\n\tconst defines = parameters.defines;\n\n\tlet vertexShader = parameters.vertexShader;\n\tlet fragmentShader = parameters.fragmentShader;\n\n\tconst shadowMapTypeDefine = generateShadowMapTypeDefine( parameters );\n\tconst envMapTypeDefine = generateEnvMapTypeDefine( parameters );\n\tconst envMapModeDefine = generateEnvMapModeDefine( parameters );\n\tconst envMapBlendingDefine = generateEnvMapBlendingDefine( parameters );\n\n\n\tconst gammaFactorDefine = ( renderer.gammaFactor > 0 ) ? renderer.gammaFactor : 1.0;\n\n\tconst customExtensions = parameters.isWebGL2 ? '' : generateExtensions( parameters );\n\n\tconst customDefines = generateDefines( defines );\n\n\tconst program = gl.createProgram();\n\n\tlet prefixVertex, prefixFragment;\n\tlet versionString = parameters.glslVersion ? '#version ' + parameters.glslVersion + '\\n' : '';\n\n\tif ( parameters.isRawShaderMaterial ) {\n\n\t\tprefixVertex = [\n\n\t\t\tcustomDefines\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tif ( prefixVertex.length > 0 ) {\n\n\t\t\tprefixVertex += '\\n';\n\n\t\t}\n\n\t\tprefixFragment = [\n\n\t\t\tcustomExtensions,\n\t\t\tcustomDefines\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tif ( prefixFragment.length > 0 ) {\n\n\t\t\tprefixFragment += '\\n';\n\n\t\t}\n\n\t} else {\n\n\t\tprefixVertex = [\n\n\t\t\tgeneratePrecision( parameters ),\n\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines,\n\n\t\t\tparameters.instancing ? '#define USE_INSTANCING' : '',\n\t\t\tparameters.instancingColor ? '#define USE_INSTANCING_COLOR' : '',\n\n\t\t\tparameters.supportsVertexTextures ? '#define VERTEX_TEXTURES' : '',\n\n\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t'#define MAX_BONES ' + parameters.maxBones,\n\t\t\t( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '',\n\t\t\t( parameters.useFog && parameters.fogExp2 ) ? '#define FOG_EXP2' : '',\n\n\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t( parameters.normalMap && parameters.objectSpaceNormalMap ) ? '#define OBJECTSPACE_NORMALMAP' : '',\n\t\t\t( parameters.normalMap && parameters.tangentSpaceNormalMap ) ? '#define TANGENTSPACE_NORMALMAP' : '',\n\n\t\t\tparameters.clearcoatMap ? '#define USE_CLEARCOATMAP' : '',\n\t\t\tparameters.clearcoatRoughnessMap ? '#define USE_CLEARCOAT_ROUGHNESSMAP' : '',\n\t\t\tparameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '',\n\n\t\t\tparameters.displacementMap && parameters.supportsVertexTextures ? '#define USE_DISPLACEMENTMAP' : '',\n\n\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\tparameters.specularIntensityMap ? '#define USE_SPECULARINTENSITYMAP' : '',\n\t\t\tparameters.specularColorMap ? '#define USE_SPECULARCOLORMAP' : '',\n\n\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\n\t\t\tparameters.transmission ? '#define USE_TRANSMISSION' : '',\n\t\t\tparameters.transmissionMap ? '#define USE_TRANSMISSIONMAP' : '',\n\t\t\tparameters.thicknessMap ? '#define USE_THICKNESSMAP' : '',\n\n\t\t\tparameters.sheenColorMap ? '#define USE_SHEENCOLORMAP' : '',\n\t\t\tparameters.sheenRoughnessMap ? '#define USE_SHEENROUGHNESSMAP' : '',\n\n\t\t\tparameters.vertexTangents ? '#define USE_TANGENT' : '',\n\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\t\t\tparameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '',\n\t\t\tparameters.vertexUvs ? '#define USE_UV' : '',\n\t\t\tparameters.uvsVertexOnly ? '#define UVS_VERTEX_ONLY' : '',\n\n\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\tparameters.skinning ? '#define USE_SKINNING' : '',\n\t\t\tparameters.useVertexTexture ? '#define BONE_TEXTURE' : '',\n\n\t\t\tparameters.morphTargets ? '#define USE_MORPHTARGETS' : '',\n\t\t\tparameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '',\n\t\t\t( parameters.morphTargets && parameters.isWebGL2 ) ? '#define MORPHTARGETS_TEXTURE' : '',\n\t\t\t( parameters.morphTargets && parameters.isWebGL2 ) ? '#define MORPHTARGETS_COUNT ' + parameters.morphTargetsCount : '',\n\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\tparameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '',\n\n\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t( parameters.logarithmicDepthBuffer && parameters.rendererExtensionFragDepth ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t'uniform mat4 modelMatrix;',\n\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t'uniform mat3 normalMatrix;',\n\t\t\t'uniform vec3 cameraPosition;',\n\t\t\t'uniform bool isOrthographic;',\n\n\t\t\t'#ifdef USE_INSTANCING',\n\n\t\t\t'\tattribute mat4 instanceMatrix;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_INSTANCING_COLOR',\n\n\t\t\t'\tattribute vec3 instanceColor;',\n\n\t\t\t'#endif',\n\n\t\t\t'attribute vec3 position;',\n\t\t\t'attribute vec3 normal;',\n\t\t\t'attribute vec2 uv;',\n\n\t\t\t'#ifdef USE_TANGENT',\n\n\t\t\t'\tattribute vec4 tangent;',\n\n\t\t\t'#endif',\n\n\t\t\t'#if defined( USE_COLOR_ALPHA )',\n\n\t\t\t'\tattribute vec4 color;',\n\n\t\t\t'#elif defined( USE_COLOR )',\n\n\t\t\t'\tattribute vec3 color;',\n\n\t\t\t'#endif',\n\n\t\t\t'#if ( defined( USE_MORPHTARGETS ) && ! defined( MORPHTARGETS_TEXTURE ) )',\n\n\t\t\t'\tattribute vec3 morphTarget0;',\n\t\t\t'\tattribute vec3 morphTarget1;',\n\t\t\t'\tattribute vec3 morphTarget2;',\n\t\t\t'\tattribute vec3 morphTarget3;',\n\n\t\t\t'\t#ifdef USE_MORPHNORMALS',\n\n\t\t\t'\t\tattribute vec3 morphNormal0;',\n\t\t\t'\t\tattribute vec3 morphNormal1;',\n\t\t\t'\t\tattribute vec3 morphNormal2;',\n\t\t\t'\t\tattribute vec3 morphNormal3;',\n\n\t\t\t'\t#else',\n\n\t\t\t'\t\tattribute vec3 morphTarget4;',\n\t\t\t'\t\tattribute vec3 morphTarget5;',\n\t\t\t'\t\tattribute vec3 morphTarget6;',\n\t\t\t'\t\tattribute vec3 morphTarget7;',\n\n\t\t\t'\t#endif',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_SKINNING',\n\n\t\t\t'\tattribute vec4 skinIndex;',\n\t\t\t'\tattribute vec4 skinWeight;',\n\n\t\t\t'#endif',\n\n\t\t\t'\\n'\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tprefixFragment = [\n\n\t\t\tcustomExtensions,\n\n\t\t\tgeneratePrecision( parameters ),\n\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines,\n\n\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '',\n\t\t\t( parameters.useFog && parameters.fogExp2 ) ? '#define FOG_EXP2' : '',\n\n\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\tparameters.matcap ? '#define USE_MATCAP' : '',\n\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\tparameters.envMap ? '#define ' + envMapTypeDefine : '',\n\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\tparameters.envMap ? '#define ' + envMapBlendingDefine : '',\n\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t( parameters.normalMap && parameters.objectSpaceNormalMap ) ? '#define OBJECTSPACE_NORMALMAP' : '',\n\t\t\t( parameters.normalMap && parameters.tangentSpaceNormalMap ) ? '#define TANGENTSPACE_NORMALMAP' : '',\n\n\t\t\tparameters.clearcoat ? '#define USE_CLEARCOAT' : '',\n\t\t\tparameters.clearcoatMap ? '#define USE_CLEARCOATMAP' : '',\n\t\t\tparameters.clearcoatRoughnessMap ? '#define USE_CLEARCOAT_ROUGHNESSMAP' : '',\n\t\t\tparameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '',\n\n\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\tparameters.specularIntensityMap ? '#define USE_SPECULARINTENSITYMAP' : '',\n\t\t\tparameters.specularColorMap ? '#define USE_SPECULARCOLORMAP' : '',\n\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\n\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\tparameters.alphaTest ? '#define USE_ALPHATEST' : '',\n\n\t\t\tparameters.sheen ? '#define USE_SHEEN' : '',\n\t\t\tparameters.sheenColorMap ? '#define USE_SHEENCOLORMAP' : '',\n\t\t\tparameters.sheenRoughnessMap ? '#define USE_SHEENROUGHNESSMAP' : '',\n\n\t\t\tparameters.transmission ? '#define USE_TRANSMISSION' : '',\n\t\t\tparameters.transmissionMap ? '#define USE_TRANSMISSIONMAP' : '',\n\t\t\tparameters.thicknessMap ? '#define USE_THICKNESSMAP' : '',\n\n\t\t\tparameters.vertexTangents ? '#define USE_TANGENT' : '',\n\t\t\tparameters.vertexColors || parameters.instancingColor ? '#define USE_COLOR' : '',\n\t\t\tparameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '',\n\t\t\tparameters.vertexUvs ? '#define USE_UV' : '',\n\t\t\tparameters.uvsVertexOnly ? '#define UVS_VERTEX_ONLY' : '',\n\n\t\t\tparameters.gradientMap ? '#define USE_GRADIENTMAP' : '',\n\n\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\tparameters.premultipliedAlpha ? '#define PREMULTIPLIED_ALPHA' : '',\n\n\t\t\tparameters.physicallyCorrectLights ? '#define PHYSICALLY_CORRECT_LIGHTS' : '',\n\n\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t( parameters.logarithmicDepthBuffer && parameters.rendererExtensionFragDepth ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t( ( parameters.extensionShaderTextureLOD || parameters.envMap ) && parameters.rendererExtensionShaderTextureLod ) ? '#define TEXTURE_LOD_EXT' : '',\n\n\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t'uniform vec3 cameraPosition;',\n\t\t\t'uniform bool isOrthographic;',\n\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? '#define TONE_MAPPING' : '',\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( 'toneMapping', parameters.toneMapping ) : '',\n\n\t\t\tparameters.dithering ? '#define DITHERING' : '',\n\t\t\tparameters.format === RGBFormat ? '#define OPAQUE' : '',\n\n\t\t\tShaderChunk[ 'encodings_pars_fragment' ], // this code is required here because it is used by the various encoding/decoding function defined below\n\t\t\tparameters.map ? getTexelDecodingFunction( 'mapTexelToLinear', parameters.mapEncoding ) : '',\n\t\t\tparameters.matcap ? getTexelDecodingFunction( 'matcapTexelToLinear', parameters.matcapEncoding ) : '',\n\t\t\tparameters.envMap ? getTexelDecodingFunction( 'envMapTexelToLinear', parameters.envMapEncoding ) : '',\n\t\t\tparameters.emissiveMap ? getTexelDecodingFunction( 'emissiveMapTexelToLinear', parameters.emissiveMapEncoding ) : '',\n\t\t\tparameters.specularColorMap ? getTexelDecodingFunction( 'specularColorMapTexelToLinear', parameters.specularColorMapEncoding ) : '',\n\t\t\tparameters.sheenColorMap ? getTexelDecodingFunction( 'sheenColorMapTexelToLinear', parameters.sheenColorMapEncoding ) : '',\n\t\t\tparameters.lightMap ? getTexelDecodingFunction( 'lightMapTexelToLinear', parameters.lightMapEncoding ) : '',\n\t\t\tgetTexelEncodingFunction( 'linearToOutputTexel', parameters.outputEncoding ),\n\n\t\t\tparameters.depthPacking ? '#define DEPTH_PACKING ' + parameters.depthPacking : '',\n\n\t\t\t'\\n'\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t}\n\n\tvertexShader = resolveIncludes( vertexShader );\n\tvertexShader = replaceLightNums( vertexShader, parameters );\n\tvertexShader = replaceClippingPlaneNums( vertexShader, parameters );\n\n\tfragmentShader = resolveIncludes( fragmentShader );\n\tfragmentShader = replaceLightNums( fragmentShader, parameters );\n\tfragmentShader = replaceClippingPlaneNums( fragmentShader, parameters );\n\n\tvertexShader = unrollLoops( vertexShader );\n\tfragmentShader = unrollLoops( fragmentShader );\n\n\tif ( parameters.isWebGL2 && parameters.isRawShaderMaterial !== true ) {\n\n\t\t// GLSL 3.0 conversion for built-in materials and ShaderMaterial\n\n\t\tversionString = '#version 300 es\\n';\n\n\t\tprefixVertex = [\n\t\t\t'precision mediump sampler2DArray;',\n\t\t\t'#define attribute in',\n\t\t\t'#define varying out',\n\t\t\t'#define texture2D texture'\n\t\t].join( '\\n' ) + '\\n' + prefixVertex;\n\n\t\tprefixFragment = [\n\t\t\t'#define varying in',\n\t\t\t( parameters.glslVersion === GLSL3 ) ? '' : 'out highp vec4 pc_fragColor;',\n\t\t\t( parameters.glslVersion === GLSL3 ) ? '' : '#define gl_FragColor pc_fragColor',\n\t\t\t'#define gl_FragDepthEXT gl_FragDepth',\n\t\t\t'#define texture2D texture',\n\t\t\t'#define textureCube texture',\n\t\t\t'#define texture2DProj textureProj',\n\t\t\t'#define texture2DLodEXT textureLod',\n\t\t\t'#define texture2DProjLodEXT textureProjLod',\n\t\t\t'#define textureCubeLodEXT textureLod',\n\t\t\t'#define texture2DGradEXT textureGrad',\n\t\t\t'#define texture2DProjGradEXT textureProjGrad',\n\t\t\t'#define textureCubeGradEXT textureGrad'\n\t\t].join( '\\n' ) + '\\n' + prefixFragment;\n\n\t}\n\n\tconst vertexGlsl = versionString + prefixVertex + vertexShader;\n\tconst fragmentGlsl = versionString + prefixFragment + fragmentShader;\n\n\t// console.log( '*VERTEX*', vertexGlsl );\n\t// console.log( '*FRAGMENT*', fragmentGlsl );\n\n\tconst glVertexShader = WebGLShader( gl, 35633, vertexGlsl );\n\tconst glFragmentShader = WebGLShader( gl, 35632, fragmentGlsl );\n\n\tgl.attachShader( program, glVertexShader );\n\tgl.attachShader( program, glFragmentShader );\n\n\t// Force a particular attribute to index 0.\n\n\tif ( parameters.index0AttributeName !== undefined ) {\n\n\t\tgl.bindAttribLocation( program, 0, parameters.index0AttributeName );\n\n\t} else if ( parameters.morphTargets === true ) {\n\n\t\t// programs with morphTargets displace position out of attribute 0\n\t\tgl.bindAttribLocation( program, 0, 'position' );\n\n\t}\n\n\tgl.linkProgram( program );\n\n\t// check for link errors\n\tif ( renderer.debug.checkShaderErrors ) {\n\n\t\tconst programLog = gl.getProgramInfoLog( program ).trim();\n\t\tconst vertexLog = gl.getShaderInfoLog( glVertexShader ).trim();\n\t\tconst fragmentLog = gl.getShaderInfoLog( glFragmentShader ).trim();\n\n\t\tlet runnable = true;\n\t\tlet haveDiagnostics = true;\n\n\t\tif ( gl.getProgramParameter( program, 35714 ) === false ) {\n\n\t\t\trunnable = false;\n\n\t\t\tconst vertexErrors = getShaderErrors( gl, glVertexShader, 'vertex' );\n\t\t\tconst fragmentErrors = getShaderErrors( gl, glFragmentShader, 'fragment' );\n\n\t\t\tconsole.error(\n\t\t\t\t'THREE.WebGLProgram: Shader Error ' + gl.getError() + ' - ' +\n\t\t\t\t'VALIDATE_STATUS ' + gl.getProgramParameter( program, 35715 ) + '\\n\\n' +\n\t\t\t\t'Program Info Log: ' + programLog + '\\n' +\n\t\t\t\tvertexErrors + '\\n' +\n\t\t\t\tfragmentErrors\n\t\t\t);\n\n\t\t} else if ( programLog !== '' ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLProgram: Program Info Log:', programLog );\n\n\t\t} else if ( vertexLog === '' || fragmentLog === '' ) {\n\n\t\t\thaveDiagnostics = false;\n\n\t\t}\n\n\t\tif ( haveDiagnostics ) {\n\n\t\t\tthis.diagnostics = {\n\n\t\t\t\trunnable: runnable,\n\n\t\t\t\tprogramLog: programLog,\n\n\t\t\t\tvertexShader: {\n\n\t\t\t\t\tlog: vertexLog,\n\t\t\t\t\tprefix: prefixVertex\n\n\t\t\t\t},\n\n\t\t\t\tfragmentShader: {\n\n\t\t\t\t\tlog: fragmentLog,\n\t\t\t\t\tprefix: prefixFragment\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t}\n\n\t// Clean up\n\n\t// Crashes in iOS9 and iOS10. #18402\n\t// gl.detachShader( program, glVertexShader );\n\t// gl.detachShader( program, glFragmentShader );\n\n\tgl.deleteShader( glVertexShader );\n\tgl.deleteShader( glFragmentShader );\n\n\t// set up caching for uniform locations\n\n\tlet cachedUniforms;\n\n\tthis.getUniforms = function () {\n\n\t\tif ( cachedUniforms === undefined ) {\n\n\t\t\tcachedUniforms = new WebGLUniforms( gl, program );\n\n\t\t}\n\n\t\treturn cachedUniforms;\n\n\t};\n\n\t// set up caching for attribute locations\n\n\tlet cachedAttributes;\n\n\tthis.getAttributes = function () {\n\n\t\tif ( cachedAttributes === undefined ) {\n\n\t\t\tcachedAttributes = fetchAttributeLocations( gl, program );\n\n\t\t}\n\n\t\treturn cachedAttributes;\n\n\t};\n\n\t// free resource\n\n\tthis.destroy = function () {\n\n\t\tbindingStates.releaseStatesOfProgram( this );\n\n\t\tgl.deleteProgram( program );\n\t\tthis.program = undefined;\n\n\t};\n\n\t//\n\n\tthis.name = parameters.shaderName;\n\tthis.id = programIdCount ++;\n\tthis.cacheKey = cacheKey;\n\tthis.usedTimes = 1;\n\tthis.program = program;\n\tthis.vertexShader = glVertexShader;\n\tthis.fragmentShader = glFragmentShader;\n\n\treturn this;\n\n}\n\nfunction WebGLPrograms( renderer, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping ) {\n\n\tconst programs = [];\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\tconst logarithmicDepthBuffer = capabilities.logarithmicDepthBuffer;\n\tconst floatVertexTextures = capabilities.floatVertexTextures;\n\tconst maxVertexUniforms = capabilities.maxVertexUniforms;\n\tconst vertexTextures = capabilities.vertexTextures;\n\n\tlet precision = capabilities.precision;\n\n\tconst shaderIDs = {\n\t\tMeshDepthMaterial: 'depth',\n\t\tMeshDistanceMaterial: 'distanceRGBA',\n\t\tMeshNormalMaterial: 'normal',\n\t\tMeshBasicMaterial: 'basic',\n\t\tMeshLambertMaterial: 'lambert',\n\t\tMeshPhongMaterial: 'phong',\n\t\tMeshToonMaterial: 'toon',\n\t\tMeshStandardMaterial: 'physical',\n\t\tMeshPhysicalMaterial: 'physical',\n\t\tMeshMatcapMaterial: 'matcap',\n\t\tLineBasicMaterial: 'basic',\n\t\tLineDashedMaterial: 'dashed',\n\t\tPointsMaterial: 'points',\n\t\tShadowMaterial: 'shadow',\n\t\tSpriteMaterial: 'sprite'\n\t};\n\n\tconst parameterNames = [\n\t\t'precision', 'isWebGL2', 'supportsVertexTextures', 'outputEncoding', 'instancing', 'instancingColor',\n\t\t'map', 'mapEncoding', 'matcap', 'matcapEncoding', 'envMap', 'envMapMode', 'envMapEncoding', 'envMapCubeUV',\n\t\t'lightMap', 'lightMapEncoding', 'aoMap', 'emissiveMap', 'emissiveMapEncoding', 'bumpMap', 'normalMap',\n\t\t'objectSpaceNormalMap', 'tangentSpaceNormalMap',\n\t\t'clearcoat', 'clearcoatMap', 'clearcoatRoughnessMap', 'clearcoatNormalMap',\n\t\t'displacementMap', 'specularMap', , 'roughnessMap', 'metalnessMap', 'gradientMap',\n\t\t'alphaMap', 'alphaTest', 'combine', 'vertexColors', 'vertexAlphas', 'vertexTangents', 'vertexUvs', 'uvsVertexOnly', 'fog', 'useFog', 'fogExp2',\n\t\t'flatShading', 'sizeAttenuation', 'logarithmicDepthBuffer', 'skinning',\n\t\t'maxBones', 'useVertexTexture', 'morphTargets', 'morphNormals', 'morphTargetsCount', 'premultipliedAlpha',\n\t\t'numDirLights', 'numPointLights', 'numSpotLights', 'numHemiLights', 'numRectAreaLights',\n\t\t'numDirLightShadows', 'numPointLightShadows', 'numSpotLightShadows',\n\t\t'shadowMapEnabled', 'shadowMapType', 'toneMapping', 'physicallyCorrectLights',\n\t\t'doubleSided', 'flipSided', 'numClippingPlanes', 'numClipIntersection', 'depthPacking', 'dithering', 'format',\n\t\t'specularIntensityMap', 'specularColorMap', 'specularColorMapEncoding',\n\t\t'transmission', 'transmissionMap', 'thicknessMap',\n\t\t'sheen', 'sheenColorMap', 'sheenColorMapEncoding', 'sheenRoughnessMap'\n\t];\n\n\tfunction getMaxBones( object ) {\n\n\t\tconst skeleton = object.skeleton;\n\t\tconst bones = skeleton.bones;\n\n\t\tif ( floatVertexTextures ) {\n\n\t\t\treturn 1024;\n\n\t\t} else {\n\n\t\t\t// default for when object is not specified\n\t\t\t// ( for example when prebuilding shader to be used with multiple objects )\n\t\t\t//\n\t\t\t// - leave some extra space for other uniforms\n\t\t\t// - limit here is ANGLE's 254 max uniform vectors\n\t\t\t// (up to 54 should be safe)\n\n\t\t\tconst nVertexUniforms = maxVertexUniforms;\n\t\t\tconst nVertexMatrices = Math.floor( ( nVertexUniforms - 20 ) / 4 );\n\n\t\t\tconst maxBones = Math.min( nVertexMatrices, bones.length );\n\n\t\t\tif ( maxBones < bones.length ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Skeleton has ' + bones.length + ' bones. This GPU supports ' + maxBones + '.' );\n\t\t\t\treturn 0;\n\n\t\t\t}\n\n\t\t\treturn maxBones;\n\n\t\t}\n\n\t}\n\n\tfunction getTextureEncodingFromMap( map ) {\n\n\t\tlet encoding;\n\n\t\tif ( map && map.isTexture ) {\n\n\t\t\tencoding = map.encoding;\n\n\t\t} else if ( map && map.isWebGLRenderTarget ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLPrograms.getTextureEncodingFromMap: don\\'t use render targets as textures. Use their .texture property instead.' );\n\t\t\tencoding = map.texture.encoding;\n\n\t\t} else {\n\n\t\t\tencoding = LinearEncoding;\n\n\t\t}\n\n\t\t/* if ( isWebGL2 && map && map.isTexture && map.format === RGBAFormat && map.type === UnsignedByteType && map.encoding === sRGBEncoding ) {\n\n\t\t\tencoding = LinearEncoding; // disable inline decode for sRGB textures in WebGL 2\n\n\t\t} */\n\n\t\treturn encoding;\n\n\t}\n\n\tfunction getParameters( material, lights, shadows, scene, object ) {\n\n\t\tconst fog = scene.fog;\n\t\tconst environment = material.isMeshStandardMaterial ? scene.environment : null;\n\n\t\tconst envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || environment );\n\n\t\tconst shaderID = shaderIDs[ material.type ];\n\n\t\t// heuristics to create shader parameters according to lights in the scene\n\t\t// (not to blow over maxLights budget)\n\n\t\tconst maxBones = object.isSkinnedMesh ? getMaxBones( object ) : 0;\n\n\t\tif ( material.precision !== null ) {\n\n\t\t\tprecision = capabilities.getMaxPrecision( material.precision );\n\n\t\t\tif ( precision !== material.precision ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' );\n\n\t\t\t}\n\n\t\t}\n\n\t\tlet vertexShader, fragmentShader;\n\n\t\tif ( shaderID ) {\n\n\t\t\tconst shader = ShaderLib[ shaderID ];\n\n\t\t\tvertexShader = shader.vertexShader;\n\t\t\tfragmentShader = shader.fragmentShader;\n\n\t\t} else {\n\n\t\t\tvertexShader = material.vertexShader;\n\t\t\tfragmentShader = material.fragmentShader;\n\n\t\t}\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\tconst useAlphaTest = material.alphaTest > 0;\n\t\tconst useClearcoat = material.clearcoat > 0;\n\n\t\tconst parameters = {\n\n\t\t\tisWebGL2: isWebGL2,\n\n\t\t\tshaderID: shaderID,\n\t\t\tshaderName: material.type,\n\n\t\t\tvertexShader: vertexShader,\n\t\t\tfragmentShader: fragmentShader,\n\t\t\tdefines: material.defines,\n\n\t\t\tisRawShaderMaterial: material.isRawShaderMaterial === true,\n\t\t\tglslVersion: material.glslVersion,\n\n\t\t\tprecision: precision,\n\n\t\t\tinstancing: object.isInstancedMesh === true,\n\t\t\tinstancingColor: object.isInstancedMesh === true && object.instanceColor !== null,\n\n\t\t\tsupportsVertexTextures: vertexTextures,\n\t\t\toutputEncoding: ( currentRenderTarget !== null ) ? getTextureEncodingFromMap( currentRenderTarget.texture ) : renderer.outputEncoding,\n\t\t\tmap: !! material.map,\n\t\t\tmapEncoding: getTextureEncodingFromMap( material.map ),\n\t\t\tmatcap: !! material.matcap,\n\t\t\tmatcapEncoding: getTextureEncodingFromMap( material.matcap ),\n\t\t\tenvMap: !! envMap,\n\t\t\tenvMapMode: envMap && envMap.mapping,\n\t\t\tenvMapEncoding: getTextureEncodingFromMap( envMap ),\n\t\t\tenvMapCubeUV: ( !! envMap ) && ( ( envMap.mapping === CubeUVReflectionMapping ) || ( envMap.mapping === CubeUVRefractionMapping ) ),\n\t\t\tlightMap: !! material.lightMap,\n\t\t\tlightMapEncoding: getTextureEncodingFromMap( material.lightMap ),\n\t\t\taoMap: !! material.aoMap,\n\t\t\temissiveMap: !! material.emissiveMap,\n\t\t\temissiveMapEncoding: getTextureEncodingFromMap( material.emissiveMap ),\n\t\t\tbumpMap: !! material.bumpMap,\n\t\t\tnormalMap: !! material.normalMap,\n\t\t\tobjectSpaceNormalMap: material.normalMapType === ObjectSpaceNormalMap,\n\t\t\ttangentSpaceNormalMap: material.normalMapType === TangentSpaceNormalMap,\n\n\t\t\tclearcoat: useClearcoat,\n\t\t\tclearcoatMap: useClearcoat && !! material.clearcoatMap,\n\t\t\tclearcoatRoughnessMap: useClearcoat && !! material.clearcoatRoughnessMap,\n\t\t\tclearcoatNormalMap: useClearcoat && !! material.clearcoatNormalMap,\n\n\t\t\tdisplacementMap: !! material.displacementMap,\n\t\t\troughnessMap: !! material.roughnessMap,\n\t\t\tmetalnessMap: !! material.metalnessMap,\n\t\t\tspecularMap: !! material.specularMap,\n\t\t\tspecularIntensityMap: !! material.specularIntensityMap,\n\t\t\tspecularColorMap: !! material.specularColorMap,\n\t\t\tspecularColorMapEncoding: getTextureEncodingFromMap( material.specularColorMap ),\n\n\t\t\talphaMap: !! material.alphaMap,\n\t\t\talphaTest: useAlphaTest,\n\n\t\t\tgradientMap: !! material.gradientMap,\n\n\t\t\tsheen: material.sheen > 0,\n\t\t\tsheenColorMap: !! material.sheenColorMap,\n\t\t\tsheenColorMapEncoding: getTextureEncodingFromMap( material.sheenColorMap ),\n\t\t\tsheenRoughnessMap: !! material.sheenRoughnessMap,\n\n\t\t\ttransmission: material.transmission > 0,\n\t\t\ttransmissionMap: !! material.transmissionMap,\n\t\t\tthicknessMap: !! material.thicknessMap,\n\n\t\t\tcombine: material.combine,\n\n\t\t\tvertexTangents: ( !! material.normalMap && !! object.geometry && !! object.geometry.attributes.tangent ),\n\t\t\tvertexColors: material.vertexColors,\n\t\t\tvertexAlphas: material.vertexColors === true && !! object.geometry && !! object.geometry.attributes.color && object.geometry.attributes.color.itemSize === 4,\n\t\t\tvertexUvs: !! material.map || !! material.bumpMap || !! material.normalMap || !! material.specularMap || !! material.alphaMap || !! material.emissiveMap || !! material.roughnessMap || !! material.metalnessMap || !! material.clearcoatMap || !! material.clearcoatRoughnessMap || !! material.clearcoatNormalMap || !! material.displacementMap || !! material.transmissionMap || !! material.thicknessMap || !! material.specularIntensityMap || !! material.specularColorMap || !! material.sheenColorMap || material.sheenRoughnessMap,\n\t\t\tuvsVertexOnly: ! ( !! material.map || !! material.bumpMap || !! material.normalMap || !! material.specularMap || !! material.alphaMap || !! material.emissiveMap || !! material.roughnessMap || !! material.metalnessMap || !! material.clearcoatNormalMap || material.transmission > 0 || !! material.transmissionMap || !! material.thicknessMap || !! material.specularIntensityMap || !! material.specularColorMap || material.sheen > 0 || !! material.sheenColorMap || !! material.sheenRoughnessMap ) && !! material.displacementMap,\n\n\t\t\tfog: !! fog,\n\t\t\tuseFog: material.fog,\n\t\t\tfogExp2: ( fog && fog.isFogExp2 ),\n\n\t\t\tflatShading: !! material.flatShading,\n\n\t\t\tsizeAttenuation: material.sizeAttenuation,\n\t\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\n\t\t\tskinning: object.isSkinnedMesh === true && maxBones > 0,\n\t\t\tmaxBones: maxBones,\n\t\t\tuseVertexTexture: floatVertexTextures,\n\n\t\t\tmorphTargets: !! object.geometry && !! object.geometry.morphAttributes.position,\n\t\t\tmorphNormals: !! object.geometry && !! object.geometry.morphAttributes.normal,\n\t\t\tmorphTargetsCount: ( !! object.geometry && !! object.geometry.morphAttributes.position ) ? object.geometry.morphAttributes.position.length : 0,\n\n\t\t\tnumDirLights: lights.directional.length,\n\t\t\tnumPointLights: lights.point.length,\n\t\t\tnumSpotLights: lights.spot.length,\n\t\t\tnumRectAreaLights: lights.rectArea.length,\n\t\t\tnumHemiLights: lights.hemi.length,\n\n\t\t\tnumDirLightShadows: lights.directionalShadowMap.length,\n\t\t\tnumPointLightShadows: lights.pointShadowMap.length,\n\t\t\tnumSpotLightShadows: lights.spotShadowMap.length,\n\n\t\t\tnumClippingPlanes: clipping.numPlanes,\n\t\t\tnumClipIntersection: clipping.numIntersection,\n\n\t\t\tformat: material.format,\n\t\t\tdithering: material.dithering,\n\n\t\t\tshadowMapEnabled: renderer.shadowMap.enabled && shadows.length > 0,\n\t\t\tshadowMapType: renderer.shadowMap.type,\n\n\t\t\ttoneMapping: material.toneMapped ? renderer.toneMapping : NoToneMapping,\n\t\t\tphysicallyCorrectLights: renderer.physicallyCorrectLights,\n\n\t\t\tpremultipliedAlpha: material.premultipliedAlpha,\n\n\t\t\tdoubleSided: material.side === DoubleSide,\n\t\t\tflipSided: material.side === BackSide,\n\n\t\t\tdepthPacking: ( material.depthPacking !== undefined ) ? material.depthPacking : false,\n\n\t\t\tindex0AttributeName: material.index0AttributeName,\n\n\t\t\textensionDerivatives: material.extensions && material.extensions.derivatives,\n\t\t\textensionFragDepth: material.extensions && material.extensions.fragDepth,\n\t\t\textensionDrawBuffers: material.extensions && material.extensions.drawBuffers,\n\t\t\textensionShaderTextureLOD: material.extensions && material.extensions.shaderTextureLOD,\n\n\t\t\trendererExtensionFragDepth: isWebGL2 || extensions.has( 'EXT_frag_depth' ),\n\t\t\trendererExtensionDrawBuffers: isWebGL2 || extensions.has( 'WEBGL_draw_buffers' ),\n\t\t\trendererExtensionShaderTextureLod: isWebGL2 || extensions.has( 'EXT_shader_texture_lod' ),\n\n\t\t\tcustomProgramCacheKey: material.customProgramCacheKey()\n\n\t\t};\n\n\t\treturn parameters;\n\n\t}\n\n\tfunction getProgramCacheKey( parameters ) {\n\n\t\tconst array = [];\n\n\t\tif ( parameters.shaderID ) {\n\n\t\t\tarray.push( parameters.shaderID );\n\n\t\t} else {\n\n\t\t\tarray.push( hashString( parameters.fragmentShader ) );\n\t\t\tarray.push( hashString( parameters.vertexShader ) );\n\n\t\t}\n\n\t\tif ( parameters.defines !== undefined ) {\n\n\t\t\tfor ( const name in parameters.defines ) {\n\n\t\t\t\tarray.push( name );\n\t\t\t\tarray.push( parameters.defines[ name ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( parameters.isRawShaderMaterial === false ) {\n\n\t\t\tfor ( let i = 0; i < parameterNames.length; i ++ ) {\n\n\t\t\t\tarray.push( parameters[ parameterNames[ i ] ] );\n\n\t\t\t}\n\n\t\t\tarray.push( renderer.outputEncoding );\n\t\t\tarray.push( renderer.gammaFactor );\n\n\t\t}\n\n\t\tarray.push( parameters.customProgramCacheKey );\n\n\t\treturn array.join();\n\n\t}\n\n\tfunction getUniforms( material ) {\n\n\t\tconst shaderID = shaderIDs[ material.type ];\n\t\tlet uniforms;\n\n\t\tif ( shaderID ) {\n\n\t\t\tconst shader = ShaderLib[ shaderID ];\n\t\t\tuniforms = UniformsUtils.clone( shader.uniforms );\n\n\t\t} else {\n\n\t\t\tuniforms = material.uniforms;\n\n\t\t}\n\n\t\treturn uniforms;\n\n\t}\n\n\tfunction acquireProgram( parameters, cacheKey ) {\n\n\t\tlet program;\n\n\t\t// Check if code has been already compiled\n\t\tfor ( let p = 0, pl = programs.length; p < pl; p ++ ) {\n\n\t\t\tconst preexistingProgram = programs[ p ];\n\n\t\t\tif ( preexistingProgram.cacheKey === cacheKey ) {\n\n\t\t\t\tprogram = preexistingProgram;\n\t\t\t\t++ program.usedTimes;\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( program === undefined ) {\n\n\t\t\tprogram = new WebGLProgram( renderer, cacheKey, parameters, bindingStates );\n\t\t\tprograms.push( program );\n\n\t\t}\n\n\t\treturn program;\n\n\t}\n\n\tfunction releaseProgram( program ) {\n\n\t\tif ( -- program.usedTimes === 0 ) {\n\n\t\t\t// Remove from unordered set\n\t\t\tconst i = programs.indexOf( program );\n\t\t\tprograms[ i ] = programs[ programs.length - 1 ];\n\t\t\tprograms.pop();\n\n\t\t\t// Free WebGL resources\n\t\t\tprogram.destroy();\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tgetParameters: getParameters,\n\t\tgetProgramCacheKey: getProgramCacheKey,\n\t\tgetUniforms: getUniforms,\n\t\tacquireProgram: acquireProgram,\n\t\treleaseProgram: releaseProgram,\n\t\t// Exposed for resource monitoring & error feedback via renderer.info:\n\t\tprograms: programs\n\t};\n\n}\n\nfunction WebGLProperties() {\n\n\tlet properties = new WeakMap();\n\n\tfunction get( object ) {\n\n\t\tlet map = properties.get( object );\n\n\t\tif ( map === undefined ) {\n\n\t\t\tmap = {};\n\t\t\tproperties.set( object, map );\n\n\t\t}\n\n\t\treturn map;\n\n\t}\n\n\tfunction remove( object ) {\n\n\t\tproperties.delete( object );\n\n\t}\n\n\tfunction update( object, key, value ) {\n\n\t\tproperties.get( object )[ key ] = value;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tproperties = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tremove: remove,\n\t\tupdate: update,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction painterSortStable( a, b ) {\n\n\tif ( a.groupOrder !== b.groupOrder ) {\n\n\t\treturn a.groupOrder - b.groupOrder;\n\n\t} else if ( a.renderOrder !== b.renderOrder ) {\n\n\t\treturn a.renderOrder - b.renderOrder;\n\n\t} else if ( a.program !== b.program ) {\n\n\t\treturn a.program.id - b.program.id;\n\n\t} else if ( a.material.id !== b.material.id ) {\n\n\t\treturn a.material.id - b.material.id;\n\n\t} else if ( a.z !== b.z ) {\n\n\t\treturn a.z - b.z;\n\n\t} else {\n\n\t\treturn a.id - b.id;\n\n\t}\n\n}\n\nfunction reversePainterSortStable( a, b ) {\n\n\tif ( a.groupOrder !== b.groupOrder ) {\n\n\t\treturn a.groupOrder - b.groupOrder;\n\n\t} else if ( a.renderOrder !== b.renderOrder ) {\n\n\t\treturn a.renderOrder - b.renderOrder;\n\n\t} else if ( a.z !== b.z ) {\n\n\t\treturn b.z - a.z;\n\n\t} else {\n\n\t\treturn a.id - b.id;\n\n\t}\n\n}\n\n\nfunction WebGLRenderList( properties ) {\n\n\tconst renderItems = [];\n\tlet renderItemsIndex = 0;\n\n\tconst opaque = [];\n\tconst transmissive = [];\n\tconst transparent = [];\n\n\tconst defaultProgram = { id: - 1 };\n\n\tfunction init() {\n\n\t\trenderItemsIndex = 0;\n\n\t\topaque.length = 0;\n\t\ttransmissive.length = 0;\n\t\ttransparent.length = 0;\n\n\t}\n\n\tfunction getNextRenderItem( object, geometry, material, groupOrder, z, group ) {\n\n\t\tlet renderItem = renderItems[ renderItemsIndex ];\n\t\tconst materialProperties = properties.get( material );\n\n\t\tif ( renderItem === undefined ) {\n\n\t\t\trenderItem = {\n\t\t\t\tid: object.id,\n\t\t\t\tobject: object,\n\t\t\t\tgeometry: geometry,\n\t\t\t\tmaterial: material,\n\t\t\t\tprogram: materialProperties.program || defaultProgram,\n\t\t\t\tgroupOrder: groupOrder,\n\t\t\t\trenderOrder: object.renderOrder,\n\t\t\t\tz: z,\n\t\t\t\tgroup: group\n\t\t\t};\n\n\t\t\trenderItems[ renderItemsIndex ] = renderItem;\n\n\t\t} else {\n\n\t\t\trenderItem.id = object.id;\n\t\t\trenderItem.object = object;\n\t\t\trenderItem.geometry = geometry;\n\t\t\trenderItem.material = material;\n\t\t\trenderItem.program = materialProperties.program || defaultProgram;\n\t\t\trenderItem.groupOrder = groupOrder;\n\t\t\trenderItem.renderOrder = object.renderOrder;\n\t\t\trenderItem.z = z;\n\t\t\trenderItem.group = group;\n\n\t\t}\n\n\t\trenderItemsIndex ++;\n\n\t\treturn renderItem;\n\n\t}\n\n\tfunction push( object, geometry, material, groupOrder, z, group ) {\n\n\t\tconst renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group );\n\n\t\tif ( material.transmission > 0.0 ) {\n\n\t\t\ttransmissive.push( renderItem );\n\n\t\t} else if ( material.transparent === true ) {\n\n\t\t\ttransparent.push( renderItem );\n\n\t\t} else {\n\n\t\t\topaque.push( renderItem );\n\n\t\t}\n\n\t}\n\n\tfunction unshift( object, geometry, material, groupOrder, z, group ) {\n\n\t\tconst renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group );\n\n\t\tif ( material.transmission > 0.0 ) {\n\n\t\t\ttransmissive.unshift( renderItem );\n\n\t\t} else if ( material.transparent === true ) {\n\n\t\t\ttransparent.unshift( renderItem );\n\n\t\t} else {\n\n\t\t\topaque.unshift( renderItem );\n\n\t\t}\n\n\t}\n\n\tfunction sort( customOpaqueSort, customTransparentSort ) {\n\n\t\tif ( opaque.length > 1 ) opaque.sort( customOpaqueSort || painterSortStable );\n\t\tif ( transmissive.length > 1 ) transmissive.sort( customTransparentSort || reversePainterSortStable );\n\t\tif ( transparent.length > 1 ) transparent.sort( customTransparentSort || reversePainterSortStable );\n\n\t}\n\n\tfunction finish() {\n\n\t\t// Clear references from inactive renderItems in the list\n\n\t\tfor ( let i = renderItemsIndex, il = renderItems.length; i < il; i ++ ) {\n\n\t\t\tconst renderItem = renderItems[ i ];\n\n\t\t\tif ( renderItem.id === null ) break;\n\n\t\t\trenderItem.id = null;\n\t\t\trenderItem.object = null;\n\t\t\trenderItem.geometry = null;\n\t\t\trenderItem.material = null;\n\t\t\trenderItem.program = null;\n\t\t\trenderItem.group = null;\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\topaque: opaque,\n\t\ttransmissive: transmissive,\n\t\ttransparent: transparent,\n\n\t\tinit: init,\n\t\tpush: push,\n\t\tunshift: unshift,\n\t\tfinish: finish,\n\n\t\tsort: sort\n\t};\n\n}\n\nfunction WebGLRenderLists( properties ) {\n\n\tlet lists = new WeakMap();\n\n\tfunction get( scene, renderCallDepth ) {\n\n\t\tlet list;\n\n\t\tif ( lists.has( scene ) === false ) {\n\n\t\t\tlist = new WebGLRenderList( properties );\n\t\t\tlists.set( scene, [ list ] );\n\n\t\t} else {\n\n\t\t\tif ( renderCallDepth >= lists.get( scene ).length ) {\n\n\t\t\t\tlist = new WebGLRenderList( properties );\n\t\t\t\tlists.get( scene ).push( list );\n\n\t\t\t} else {\n\n\t\t\t\tlist = lists.get( scene )[ renderCallDepth ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn list;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tlists = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction UniformsCache() {\n\n\tconst lights = {};\n\n\treturn {\n\n\t\tget: function ( light ) {\n\n\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\treturn lights[ light.id ];\n\n\t\t\t}\n\n\t\t\tlet uniforms;\n\n\t\t\tswitch ( light.type ) {\n\n\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tcolor: new Color()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'SpotLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\tconeCos: 0,\n\t\t\t\t\t\tpenumbraCos: 0,\n\t\t\t\t\t\tdecay: 0\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'PointLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\tdecay: 0\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'HemisphereLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tskyColor: new Color(),\n\t\t\t\t\t\tgroundColor: new Color()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'RectAreaLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\thalfWidth: new Vector3(),\n\t\t\t\t\t\thalfHeight: new Vector3()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\treturn uniforms;\n\n\t\t}\n\n\t};\n\n}\n\nfunction ShadowUniformsCache() {\n\n\tconst lights = {};\n\n\treturn {\n\n\t\tget: function ( light ) {\n\n\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\treturn lights[ light.id ];\n\n\t\t\t}\n\n\t\t\tlet uniforms;\n\n\t\t\tswitch ( light.type ) {\n\n\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'SpotLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'PointLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2(),\n\t\t\t\t\t\tshadowCameraNear: 1,\n\t\t\t\t\t\tshadowCameraFar: 1000\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\t// TODO (abelnation): set RectAreaLight shadow uniforms\n\n\t\t\t}\n\n\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\treturn uniforms;\n\n\t\t}\n\n\t};\n\n}\n\n\n\nlet nextVersion = 0;\n\nfunction shadowCastingLightsFirst( lightA, lightB ) {\n\n\treturn ( lightB.castShadow ? 1 : 0 ) - ( lightA.castShadow ? 1 : 0 );\n\n}\n\nfunction WebGLLights( extensions, capabilities ) {\n\n\tconst cache = new UniformsCache();\n\n\tconst shadowCache = ShadowUniformsCache();\n\n\tconst state = {\n\n\t\tversion: 0,\n\n\t\thash: {\n\t\t\tdirectionalLength: - 1,\n\t\t\tpointLength: - 1,\n\t\t\tspotLength: - 1,\n\t\t\trectAreaLength: - 1,\n\t\t\themiLength: - 1,\n\n\t\t\tnumDirectionalShadows: - 1,\n\t\t\tnumPointShadows: - 1,\n\t\t\tnumSpotShadows: - 1\n\t\t},\n\n\t\tambient: [ 0, 0, 0 ],\n\t\tprobe: [],\n\t\tdirectional: [],\n\t\tdirectionalShadow: [],\n\t\tdirectionalShadowMap: [],\n\t\tdirectionalShadowMatrix: [],\n\t\tspot: [],\n\t\tspotShadow: [],\n\t\tspotShadowMap: [],\n\t\tspotShadowMatrix: [],\n\t\trectArea: [],\n\t\trectAreaLTC1: null,\n\t\trectAreaLTC2: null,\n\t\tpoint: [],\n\t\tpointShadow: [],\n\t\tpointShadowMap: [],\n\t\tpointShadowMatrix: [],\n\t\themi: []\n\n\t};\n\n\tfor ( let i = 0; i < 9; i ++ ) state.probe.push( new Vector3() );\n\n\tconst vector3 = new Vector3();\n\tconst matrix4 = new Matrix4();\n\tconst matrix42 = new Matrix4();\n\n\tfunction setup( lights, physicallyCorrectLights ) {\n\n\t\tlet r = 0, g = 0, b = 0;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) state.probe[ i ].set( 0, 0, 0 );\n\n\t\tlet directionalLength = 0;\n\t\tlet pointLength = 0;\n\t\tlet spotLength = 0;\n\t\tlet rectAreaLength = 0;\n\t\tlet hemiLength = 0;\n\n\t\tlet numDirectionalShadows = 0;\n\t\tlet numPointShadows = 0;\n\t\tlet numSpotShadows = 0;\n\n\t\tlights.sort( shadowCastingLightsFirst );\n\n\t\t// artist-friendly light intensity scaling factor\n\t\tconst scaleFactor = ( physicallyCorrectLights !== true ) ? Math.PI : 1;\n\n\t\tfor ( let i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\n\t\t\tconst color = light.color;\n\t\t\tconst intensity = light.intensity;\n\t\t\tconst distance = light.distance;\n\n\t\t\tconst shadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null;\n\n\t\t\tif ( light.isAmbientLight ) {\n\n\t\t\t\tr += color.r * intensity * scaleFactor;\n\t\t\t\tg += color.g * intensity * scaleFactor;\n\t\t\t\tb += color.b * intensity * scaleFactor;\n\n\t\t\t} else if ( light.isLightProbe ) {\n\n\t\t\t\tfor ( let j = 0; j < 9; j ++ ) {\n\n\t\t\t\t\tstate.probe[ j ].addScaledVector( light.sh.coefficients[ j ], intensity );\n\n\t\t\t\t}\n\n\t\t\t} else if ( light.isDirectionalLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity * scaleFactor );\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\n\t\t\t\t\tstate.directionalShadow[ directionalLength ] = shadowUniforms;\n\t\t\t\t\tstate.directionalShadowMap[ directionalLength ] = shadowMap;\n\t\t\t\t\tstate.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix;\n\n\t\t\t\t\tnumDirectionalShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.directional[ directionalLength ] = uniforms;\n\n\t\t\t\tdirectionalLength ++;\n\n\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\n\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity * scaleFactor );\n\t\t\t\tuniforms.distance = distance;\n\n\t\t\t\tuniforms.coneCos = Math.cos( light.angle );\n\t\t\t\tuniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) );\n\t\t\t\tuniforms.decay = light.decay;\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\n\t\t\t\t\tstate.spotShadow[ spotLength ] = shadowUniforms;\n\t\t\t\t\tstate.spotShadowMap[ spotLength ] = shadowMap;\n\t\t\t\t\tstate.spotShadowMatrix[ spotLength ] = light.shadow.matrix;\n\n\t\t\t\t\tnumSpotShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.spot[ spotLength ] = uniforms;\n\n\t\t\t\tspotLength ++;\n\n\t\t\t} else if ( light.isRectAreaLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\t// (a) intensity is the total visible light emitted\n\t\t\t\t//uniforms.color.copy( color ).multiplyScalar( intensity / ( light.width * light.height * Math.PI ) );\n\n\t\t\t\t// (b) intensity is the brightness of the light\n\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity );\n\n\t\t\t\tuniforms.halfWidth.set( light.width * 0.5, 0.0, 0.0 );\n\t\t\t\tuniforms.halfHeight.set( 0.0, light.height * 0.5, 0.0 );\n\n\t\t\t\tstate.rectArea[ rectAreaLength ] = uniforms;\n\n\t\t\t\trectAreaLength ++;\n\n\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity * scaleFactor );\n\t\t\t\tuniforms.distance = light.distance;\n\t\t\t\tuniforms.decay = light.decay;\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\t\t\t\t\tshadowUniforms.shadowCameraNear = shadow.camera.near;\n\t\t\t\t\tshadowUniforms.shadowCameraFar = shadow.camera.far;\n\n\t\t\t\t\tstate.pointShadow[ pointLength ] = shadowUniforms;\n\t\t\t\t\tstate.pointShadowMap[ pointLength ] = shadowMap;\n\t\t\t\t\tstate.pointShadowMatrix[ pointLength ] = light.shadow.matrix;\n\n\t\t\t\t\tnumPointShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.point[ pointLength ] = uniforms;\n\n\t\t\t\tpointLength ++;\n\n\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.skyColor.copy( light.color ).multiplyScalar( intensity * scaleFactor );\n\t\t\t\tuniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity * scaleFactor );\n\n\t\t\t\tstate.hemi[ hemiLength ] = uniforms;\n\n\t\t\t\themiLength ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( rectAreaLength > 0 ) {\n\n\t\t\tif ( capabilities.isWebGL2 ) {\n\n\t\t\t\t// WebGL 2\n\n\t\t\t\tstate.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1;\n\t\t\t\tstate.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2;\n\n\t\t\t} else {\n\n\t\t\t\t// WebGL 1\n\n\t\t\t\tif ( extensions.has( 'OES_texture_float_linear' ) === true ) {\n\n\t\t\t\t\tstate.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1;\n\t\t\t\t\tstate.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2;\n\n\t\t\t\t} else if ( extensions.has( 'OES_texture_half_float_linear' ) === true ) {\n\n\t\t\t\t\tstate.rectAreaLTC1 = UniformsLib.LTC_HALF_1;\n\t\t\t\t\tstate.rectAreaLTC2 = UniformsLib.LTC_HALF_2;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer: Unable to use RectAreaLight. Missing WebGL extensions.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.ambient[ 0 ] = r;\n\t\tstate.ambient[ 1 ] = g;\n\t\tstate.ambient[ 2 ] = b;\n\n\t\tconst hash = state.hash;\n\n\t\tif ( hash.directionalLength !== directionalLength ||\n\t\t\thash.pointLength !== pointLength ||\n\t\t\thash.spotLength !== spotLength ||\n\t\t\thash.rectAreaLength !== rectAreaLength ||\n\t\t\thash.hemiLength !== hemiLength ||\n\t\t\thash.numDirectionalShadows !== numDirectionalShadows ||\n\t\t\thash.numPointShadows !== numPointShadows ||\n\t\t\thash.numSpotShadows !== numSpotShadows ) {\n\n\t\t\tstate.directional.length = directionalLength;\n\t\t\tstate.spot.length = spotLength;\n\t\t\tstate.rectArea.length = rectAreaLength;\n\t\t\tstate.point.length = pointLength;\n\t\t\tstate.hemi.length = hemiLength;\n\n\t\t\tstate.directionalShadow.length = numDirectionalShadows;\n\t\t\tstate.directionalShadowMap.length = numDirectionalShadows;\n\t\t\tstate.pointShadow.length = numPointShadows;\n\t\t\tstate.pointShadowMap.length = numPointShadows;\n\t\t\tstate.spotShadow.length = numSpotShadows;\n\t\t\tstate.spotShadowMap.length = numSpotShadows;\n\t\t\tstate.directionalShadowMatrix.length = numDirectionalShadows;\n\t\t\tstate.pointShadowMatrix.length = numPointShadows;\n\t\t\tstate.spotShadowMatrix.length = numSpotShadows;\n\n\t\t\thash.directionalLength = directionalLength;\n\t\t\thash.pointLength = pointLength;\n\t\t\thash.spotLength = spotLength;\n\t\t\thash.rectAreaLength = rectAreaLength;\n\t\t\thash.hemiLength = hemiLength;\n\n\t\t\thash.numDirectionalShadows = numDirectionalShadows;\n\t\t\thash.numPointShadows = numPointShadows;\n\t\t\thash.numSpotShadows = numSpotShadows;\n\n\t\t\tstate.version = nextVersion ++;\n\n\t\t}\n\n\t}\n\n\tfunction setupView( lights, camera ) {\n\n\t\tlet directionalLength = 0;\n\t\tlet pointLength = 0;\n\t\tlet spotLength = 0;\n\t\tlet rectAreaLength = 0;\n\t\tlet hemiLength = 0;\n\n\t\tconst viewMatrix = camera.matrixWorldInverse;\n\n\t\tfor ( let i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\n\t\t\tif ( light.isDirectionalLight ) {\n\n\t\t\t\tconst uniforms = state.directional[ directionalLength ];\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tvector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\tuniforms.direction.sub( vector3 );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\tdirectionalLength ++;\n\n\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\tconst uniforms = state.spot[ spotLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tvector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\tuniforms.direction.sub( vector3 );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\tspotLength ++;\n\n\t\t\t} else if ( light.isRectAreaLight ) {\n\n\t\t\t\tconst uniforms = state.rectArea[ rectAreaLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t// extract local rotation of light to derive width/height half vectors\n\t\t\t\tmatrix42.identity();\n\t\t\t\tmatrix4.copy( light.matrixWorld );\n\t\t\t\tmatrix4.premultiply( viewMatrix );\n\t\t\t\tmatrix42.extractRotation( matrix4 );\n\n\t\t\t\tuniforms.halfWidth.set( light.width * 0.5, 0.0, 0.0 );\n\t\t\t\tuniforms.halfHeight.set( 0.0, light.height * 0.5, 0.0 );\n\n\t\t\t\tuniforms.halfWidth.applyMatrix4( matrix42 );\n\t\t\t\tuniforms.halfHeight.applyMatrix4( matrix42 );\n\n\t\t\t\trectAreaLength ++;\n\n\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\tconst uniforms = state.point[ pointLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\tpointLength ++;\n\n\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\tconst uniforms = state.hemi[ hemiLength ];\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\t\t\t\tuniforms.direction.normalize();\n\n\t\t\t\themiLength ++;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tsetup: setup,\n\t\tsetupView: setupView,\n\t\tstate: state\n\t};\n\n}\n\nfunction WebGLRenderState( extensions, capabilities ) {\n\n\tconst lights = new WebGLLights( extensions, capabilities );\n\n\tconst lightsArray = [];\n\tconst shadowsArray = [];\n\n\tfunction init() {\n\n\t\tlightsArray.length = 0;\n\t\tshadowsArray.length = 0;\n\n\t}\n\n\tfunction pushLight( light ) {\n\n\t\tlightsArray.push( light );\n\n\t}\n\n\tfunction pushShadow( shadowLight ) {\n\n\t\tshadowsArray.push( shadowLight );\n\n\t}\n\n\tfunction setupLights( physicallyCorrectLights ) {\n\n\t\tlights.setup( lightsArray, physicallyCorrectLights );\n\n\t}\n\n\tfunction setupLightsView( camera ) {\n\n\t\tlights.setupView( lightsArray, camera );\n\n\t}\n\n\tconst state = {\n\t\tlightsArray: lightsArray,\n\t\tshadowsArray: shadowsArray,\n\n\t\tlights: lights\n\t};\n\n\treturn {\n\t\tinit: init,\n\t\tstate: state,\n\t\tsetupLights: setupLights,\n\t\tsetupLightsView: setupLightsView,\n\n\t\tpushLight: pushLight,\n\t\tpushShadow: pushShadow\n\t};\n\n}\n\nfunction WebGLRenderStates( extensions, capabilities ) {\n\n\tlet renderStates = new WeakMap();\n\n\tfunction get( scene, renderCallDepth = 0 ) {\n\n\t\tlet renderState;\n\n\t\tif ( renderStates.has( scene ) === false ) {\n\n\t\t\trenderState = new WebGLRenderState( extensions, capabilities );\n\t\t\trenderStates.set( scene, [ renderState ] );\n\n\t\t} else {\n\n\t\t\tif ( renderCallDepth >= renderStates.get( scene ).length ) {\n\n\t\t\t\trenderState = new WebGLRenderState( extensions, capabilities );\n\t\t\t\trenderStates.get( scene ).push( renderState );\n\n\t\t\t} else {\n\n\t\t\t\trenderState = renderStates.get( scene )[ renderCallDepth ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn renderState;\n\n\t}\n\n\tfunction dispose() {\n\n\t\trenderStates = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\n/**\n * parameters = {\n *\n * opacity: ,\n *\n * map: new THREE.Texture( ),\n *\n * alphaMap: new THREE.Texture( ),\n *\n * displacementMap: new THREE.Texture( ),\n * displacementScale: ,\n * displacementBias: ,\n *\n * wireframe: ,\n * wireframeLinewidth: \n * }\n */\n\nclass MeshDepthMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshDepthMaterial';\n\n\t\tthis.depthPacking = BasicDepthPacking;\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.depthPacking = source.depthPacking;\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshDepthMaterial.prototype.isMeshDepthMaterial = true;\n\n/**\n * parameters = {\n *\n * referencePosition: ,\n * nearDistance: ,\n * farDistance: ,\n *\n * map: new THREE.Texture( ),\n *\n * alphaMap: new THREE.Texture( ),\n *\n * displacementMap: new THREE.Texture( ),\n * displacementScale: ,\n * displacementBias: \n *\n * }\n */\n\nclass MeshDistanceMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshDistanceMaterial';\n\n\t\tthis.referencePosition = new Vector3();\n\t\tthis.nearDistance = 1;\n\t\tthis.farDistance = 1000;\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.fog = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.referencePosition.copy( source.referencePosition );\n\t\tthis.nearDistance = source.nearDistance;\n\t\tthis.farDistance = source.farDistance;\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshDistanceMaterial.prototype.isMeshDistanceMaterial = true;\n\nconst vertex = \"void main() {\\n\\tgl_Position = vec4( position, 1.0 );\\n}\";\n\nconst fragment = \"uniform sampler2D shadow_pass;\\nuniform vec2 resolution;\\nuniform float radius;\\n#include \\nvoid main() {\\n\\tconst float samples = float( VSM_SAMPLES );\\n\\tfloat mean = 0.0;\\n\\tfloat squared_mean = 0.0;\\n\\tfloat uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\\n\\tfloat uvStart = samples <= 1.0 ? 0.0 : - 1.0;\\n\\tfor ( float i = 0.0; i < samples; i ++ ) {\\n\\t\\tfloat uvOffset = uvStart + i * uvStride;\\n\\t\\t#ifdef HORIZONTAL_PASS\\n\\t\\t\\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\\n\\t\\t\\tmean += distribution.x;\\n\\t\\t\\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\\n\\t\\t#else\\n\\t\\t\\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\\n\\t\\t\\tmean += depth;\\n\\t\\t\\tsquared_mean += depth * depth;\\n\\t\\t#endif\\n\\t}\\n\\tmean = mean / samples;\\n\\tsquared_mean = squared_mean / samples;\\n\\tfloat std_dev = sqrt( squared_mean - mean * mean );\\n\\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\\n}\";\n\nfunction WebGLShadowMap( _renderer, _objects, _capabilities ) {\n\n\tlet _frustum = new Frustum();\n\n\tconst _shadowMapSize = new Vector2(),\n\t\t_viewportSize = new Vector2(),\n\n\t\t_viewport = new Vector4(),\n\n\t\t_depthMaterial = new MeshDepthMaterial( { depthPacking: RGBADepthPacking } ),\n\t\t_distanceMaterial = new MeshDistanceMaterial(),\n\n\t\t_materialCache = {},\n\n\t\t_maxTextureSize = _capabilities.maxTextureSize;\n\n\tconst shadowSide = { 0: BackSide, 1: FrontSide, 2: DoubleSide };\n\n\tconst shadowMaterialVertical = new ShaderMaterial( {\n\t\tdefines: {\n\t\t\tVSM_SAMPLES: 8\n\t\t},\n\t\tuniforms: {\n\t\t\tshadow_pass: { value: null },\n\t\t\tresolution: { value: new Vector2() },\n\t\t\tradius: { value: 4.0 }\n\t\t},\n\n\t\tvertexShader: vertex,\n\t\tfragmentShader: fragment\n\n\t} );\n\n\tconst shadowMaterialHorizontal = shadowMaterialVertical.clone();\n\tshadowMaterialHorizontal.defines.HORIZONTAL_PASS = 1;\n\n\tconst fullScreenTri = new BufferGeometry();\n\tfullScreenTri.setAttribute(\n\t\t'position',\n\t\tnew BufferAttribute(\n\t\t\tnew Float32Array( [ - 1, - 1, 0.5, 3, - 1, 0.5, - 1, 3, 0.5 ] ),\n\t\t\t3\n\t\t)\n\t);\n\n\tconst fullScreenMesh = new Mesh( fullScreenTri, shadowMaterialVertical );\n\n\tconst scope = this;\n\n\tthis.enabled = false;\n\n\tthis.autoUpdate = true;\n\tthis.needsUpdate = false;\n\n\tthis.type = PCFShadowMap;\n\n\tthis.render = function ( lights, scene, camera ) {\n\n\t\tif ( scope.enabled === false ) return;\n\t\tif ( scope.autoUpdate === false && scope.needsUpdate === false ) return;\n\n\t\tif ( lights.length === 0 ) return;\n\n\t\tconst currentRenderTarget = _renderer.getRenderTarget();\n\t\tconst activeCubeFace = _renderer.getActiveCubeFace();\n\t\tconst activeMipmapLevel = _renderer.getActiveMipmapLevel();\n\n\t\tconst _state = _renderer.state;\n\n\t\t// Set GL state for depth map.\n\t\t_state.setBlending( NoBlending );\n\t\t_state.buffers.color.setClear( 1, 1, 1, 1 );\n\t\t_state.buffers.depth.setTest( true );\n\t\t_state.setScissorTest( false );\n\n\t\t// render depth map\n\n\t\tfor ( let i = 0, il = lights.length; i < il; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\t\t\tconst shadow = light.shadow;\n\n\t\t\tif ( shadow === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tif ( shadow.autoUpdate === false && shadow.needsUpdate === false ) continue;\n\n\t\t\t_shadowMapSize.copy( shadow.mapSize );\n\n\t\t\tconst shadowFrameExtents = shadow.getFrameExtents();\n\n\t\t\t_shadowMapSize.multiply( shadowFrameExtents );\n\n\t\t\t_viewportSize.copy( shadow.mapSize );\n\n\t\t\tif ( _shadowMapSize.x > _maxTextureSize || _shadowMapSize.y > _maxTextureSize ) {\n\n\t\t\t\tif ( _shadowMapSize.x > _maxTextureSize ) {\n\n\t\t\t\t\t_viewportSize.x = Math.floor( _maxTextureSize / shadowFrameExtents.x );\n\t\t\t\t\t_shadowMapSize.x = _viewportSize.x * shadowFrameExtents.x;\n\t\t\t\t\tshadow.mapSize.x = _viewportSize.x;\n\n\t\t\t\t}\n\n\t\t\t\tif ( _shadowMapSize.y > _maxTextureSize ) {\n\n\t\t\t\t\t_viewportSize.y = Math.floor( _maxTextureSize / shadowFrameExtents.y );\n\t\t\t\t\t_shadowMapSize.y = _viewportSize.y * shadowFrameExtents.y;\n\t\t\t\t\tshadow.mapSize.y = _viewportSize.y;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( shadow.map === null && ! shadow.isPointLightShadow && this.type === VSMShadowMap ) {\n\n\t\t\t\tconst pars = { minFilter: LinearFilter, magFilter: LinearFilter, format: RGBAFormat };\n\n\t\t\t\tshadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\t\t\t\tshadow.map.texture.name = light.name + '.shadowMap';\n\n\t\t\t\tshadow.mapPass = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\n\t\t\t\tshadow.camera.updateProjectionMatrix();\n\n\t\t\t}\n\n\t\t\tif ( shadow.map === null ) {\n\n\t\t\t\tconst pars = { minFilter: NearestFilter, magFilter: NearestFilter, format: RGBAFormat };\n\n\t\t\t\tshadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\t\t\t\tshadow.map.texture.name = light.name + '.shadowMap';\n\n\t\t\t\tshadow.camera.updateProjectionMatrix();\n\n\t\t\t}\n\n\t\t\t_renderer.setRenderTarget( shadow.map );\n\t\t\t_renderer.clear();\n\n\t\t\tconst viewportCount = shadow.getViewportCount();\n\n\t\t\tfor ( let vp = 0; vp < viewportCount; vp ++ ) {\n\n\t\t\t\tconst viewport = shadow.getViewport( vp );\n\n\t\t\t\t_viewport.set(\n\t\t\t\t\t_viewportSize.x * viewport.x,\n\t\t\t\t\t_viewportSize.y * viewport.y,\n\t\t\t\t\t_viewportSize.x * viewport.z,\n\t\t\t\t\t_viewportSize.y * viewport.w\n\t\t\t\t);\n\n\t\t\t\t_state.viewport( _viewport );\n\n\t\t\t\tshadow.updateMatrices( light, vp );\n\n\t\t\t\t_frustum = shadow.getFrustum();\n\n\t\t\t\trenderObject( scene, camera, shadow.camera, light, this.type );\n\n\t\t\t}\n\n\t\t\t// do blur pass for VSM\n\n\t\t\tif ( ! shadow.isPointLightShadow && this.type === VSMShadowMap ) {\n\n\t\t\t\tVSMPass( shadow, camera );\n\n\t\t\t}\n\n\t\t\tshadow.needsUpdate = false;\n\n\t\t}\n\n\t\tscope.needsUpdate = false;\n\n\t\t_renderer.setRenderTarget( currentRenderTarget, activeCubeFace, activeMipmapLevel );\n\n\t};\n\n\tfunction VSMPass( shadow, camera ) {\n\n\t\tconst geometry = _objects.update( fullScreenMesh );\n\n\t\tif ( shadowMaterialVertical.defines.VSM_SAMPLES !== shadow.blurSamples ) {\n\n\t\t\tshadowMaterialVertical.defines.VSM_SAMPLES = shadow.blurSamples;\n\t\t\tshadowMaterialHorizontal.defines.VSM_SAMPLES = shadow.blurSamples;\n\n\t\t\tshadowMaterialVertical.needsUpdate = true;\n\t\t\tshadowMaterialHorizontal.needsUpdate = true;\n\n\t\t}\n\n\t\t// vertical pass\n\n\t\tshadowMaterialVertical.uniforms.shadow_pass.value = shadow.map.texture;\n\t\tshadowMaterialVertical.uniforms.resolution.value = shadow.mapSize;\n\t\tshadowMaterialVertical.uniforms.radius.value = shadow.radius;\n\t\t_renderer.setRenderTarget( shadow.mapPass );\n\t\t_renderer.clear();\n\t\t_renderer.renderBufferDirect( camera, null, geometry, shadowMaterialVertical, fullScreenMesh, null );\n\n\t\t// horizontal pass\n\n\t\tshadowMaterialHorizontal.uniforms.shadow_pass.value = shadow.mapPass.texture;\n\t\tshadowMaterialHorizontal.uniforms.resolution.value = shadow.mapSize;\n\t\tshadowMaterialHorizontal.uniforms.radius.value = shadow.radius;\n\t\t_renderer.setRenderTarget( shadow.map );\n\t\t_renderer.clear();\n\t\t_renderer.renderBufferDirect( camera, null, geometry, shadowMaterialHorizontal, fullScreenMesh, null );\n\n\t}\n\n\tfunction getDepthMaterial( object, geometry, material, light, shadowCameraNear, shadowCameraFar, type ) {\n\n\t\tlet result = null;\n\n\t\tconst customMaterial = ( light.isPointLight === true ) ? object.customDistanceMaterial : object.customDepthMaterial;\n\n\t\tif ( customMaterial !== undefined ) {\n\n\t\t\tresult = customMaterial;\n\n\t\t} else {\n\n\t\t\tresult = ( light.isPointLight === true ) ? _distanceMaterial : _depthMaterial;\n\n\t\t}\n\n\t\tif ( ( _renderer.localClippingEnabled && material.clipShadows === true && material.clippingPlanes.length !== 0 ) ||\n\t\t\t( material.displacementMap && material.displacementScale !== 0 ) ||\n\t\t\t( material.alphaMap && material.alphaTest > 0 ) ) {\n\n\t\t\t// in this case we need a unique material instance reflecting the\n\t\t\t// appropriate state\n\n\t\t\tconst keyA = result.uuid, keyB = material.uuid;\n\n\t\t\tlet materialsForVariant = _materialCache[ keyA ];\n\n\t\t\tif ( materialsForVariant === undefined ) {\n\n\t\t\t\tmaterialsForVariant = {};\n\t\t\t\t_materialCache[ keyA ] = materialsForVariant;\n\n\t\t\t}\n\n\t\t\tlet cachedMaterial = materialsForVariant[ keyB ];\n\n\t\t\tif ( cachedMaterial === undefined ) {\n\n\t\t\t\tcachedMaterial = result.clone();\n\t\t\t\tmaterialsForVariant[ keyB ] = cachedMaterial;\n\n\t\t\t}\n\n\t\t\tresult = cachedMaterial;\n\n\t\t}\n\n\t\tresult.visible = material.visible;\n\t\tresult.wireframe = material.wireframe;\n\n\t\tif ( type === VSMShadowMap ) {\n\n\t\t\tresult.side = ( material.shadowSide !== null ) ? material.shadowSide : material.side;\n\n\t\t} else {\n\n\t\t\tresult.side = ( material.shadowSide !== null ) ? material.shadowSide : shadowSide[ material.side ];\n\n\t\t}\n\n\t\tresult.alphaMap = material.alphaMap;\n\t\tresult.alphaTest = material.alphaTest;\n\n\t\tresult.clipShadows = material.clipShadows;\n\t\tresult.clippingPlanes = material.clippingPlanes;\n\t\tresult.clipIntersection = material.clipIntersection;\n\n\t\tresult.displacementMap = material.displacementMap;\n\t\tresult.displacementScale = material.displacementScale;\n\t\tresult.displacementBias = material.displacementBias;\n\n\t\tresult.wireframeLinewidth = material.wireframeLinewidth;\n\t\tresult.linewidth = material.linewidth;\n\n\t\tif ( light.isPointLight === true && result.isMeshDistanceMaterial === true ) {\n\n\t\t\tresult.referencePosition.setFromMatrixPosition( light.matrixWorld );\n\t\t\tresult.nearDistance = shadowCameraNear;\n\t\t\tresult.farDistance = shadowCameraFar;\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n\tfunction renderObject( object, camera, shadowCamera, light, type ) {\n\n\t\tif ( object.visible === false ) return;\n\n\t\tconst visible = object.layers.test( camera.layers );\n\n\t\tif ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) {\n\n\t\t\tif ( ( object.castShadow || ( object.receiveShadow && type === VSMShadowMap ) ) && ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) ) {\n\n\t\t\t\tobject.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld );\n\n\t\t\t\tconst geometry = _objects.update( object );\n\t\t\t\tconst material = object.material;\n\n\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\tconst groups = geometry.groups;\n\n\t\t\t\t\tfor ( let k = 0, kl = groups.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\tconst group = groups[ k ];\n\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\tif ( groupMaterial && groupMaterial.visible ) {\n\n\t\t\t\t\t\t\tconst depthMaterial = getDepthMaterial( object, geometry, groupMaterial, light, shadowCamera.near, shadowCamera.far, type );\n\n\t\t\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( material.visible ) {\n\n\t\t\t\t\tconst depthMaterial = getDepthMaterial( object, geometry, material, light, shadowCamera.near, shadowCamera.far, type );\n\n\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\trenderObject( children[ i ], camera, shadowCamera, light, type );\n\n\t\t}\n\n\t}\n\n}\n\nfunction WebGLState( gl, extensions, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tfunction ColorBuffer() {\n\n\t\tlet locked = false;\n\n\t\tconst color = new Vector4();\n\t\tlet currentColorMask = null;\n\t\tconst currentColorClear = new Vector4( 0, 0, 0, 0 );\n\n\t\treturn {\n\n\t\t\tsetMask: function ( colorMask ) {\n\n\t\t\t\tif ( currentColorMask !== colorMask && ! locked ) {\n\n\t\t\t\t\tgl.colorMask( colorMask, colorMask, colorMask, colorMask );\n\t\t\t\t\tcurrentColorMask = colorMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( r, g, b, a, premultipliedAlpha ) {\n\n\t\t\t\tif ( premultipliedAlpha === true ) {\n\n\t\t\t\t\tr *= a; g *= a; b *= a;\n\n\t\t\t\t}\n\n\t\t\t\tcolor.set( r, g, b, a );\n\n\t\t\t\tif ( currentColorClear.equals( color ) === false ) {\n\n\t\t\t\t\tgl.clearColor( r, g, b, a );\n\t\t\t\t\tcurrentColorClear.copy( color );\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentColorMask = null;\n\t\t\t\tcurrentColorClear.set( - 1, 0, 0, 0 ); // set to invalid state\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tfunction DepthBuffer() {\n\n\t\tlet locked = false;\n\n\t\tlet currentDepthMask = null;\n\t\tlet currentDepthFunc = null;\n\t\tlet currentDepthClear = null;\n\n\t\treturn {\n\n\t\t\tsetTest: function ( depthTest ) {\n\n\t\t\t\tif ( depthTest ) {\n\n\t\t\t\t\tenable( 2929 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tdisable( 2929 );\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetMask: function ( depthMask ) {\n\n\t\t\t\tif ( currentDepthMask !== depthMask && ! locked ) {\n\n\t\t\t\t\tgl.depthMask( depthMask );\n\t\t\t\t\tcurrentDepthMask = depthMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetFunc: function ( depthFunc ) {\n\n\t\t\t\tif ( currentDepthFunc !== depthFunc ) {\n\n\t\t\t\t\tif ( depthFunc ) {\n\n\t\t\t\t\t\tswitch ( depthFunc ) {\n\n\t\t\t\t\t\t\tcase NeverDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 512 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase AlwaysDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 519 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase LessDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 513 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase LessEqualDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 515 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase EqualDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 514 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase GreaterEqualDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 518 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase GreaterDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 516 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase NotEqualDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 517 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 515 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.depthFunc( 515 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcurrentDepthFunc = depthFunc;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( depth ) {\n\n\t\t\t\tif ( currentDepthClear !== depth ) {\n\n\t\t\t\t\tgl.clearDepth( depth );\n\t\t\t\t\tcurrentDepthClear = depth;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentDepthMask = null;\n\t\t\t\tcurrentDepthFunc = null;\n\t\t\t\tcurrentDepthClear = null;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tfunction StencilBuffer() {\n\n\t\tlet locked = false;\n\n\t\tlet currentStencilMask = null;\n\t\tlet currentStencilFunc = null;\n\t\tlet currentStencilRef = null;\n\t\tlet currentStencilFuncMask = null;\n\t\tlet currentStencilFail = null;\n\t\tlet currentStencilZFail = null;\n\t\tlet currentStencilZPass = null;\n\t\tlet currentStencilClear = null;\n\n\t\treturn {\n\n\t\t\tsetTest: function ( stencilTest ) {\n\n\t\t\t\tif ( ! locked ) {\n\n\t\t\t\t\tif ( stencilTest ) {\n\n\t\t\t\t\t\tenable( 2960 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( 2960 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetMask: function ( stencilMask ) {\n\n\t\t\t\tif ( currentStencilMask !== stencilMask && ! locked ) {\n\n\t\t\t\t\tgl.stencilMask( stencilMask );\n\t\t\t\t\tcurrentStencilMask = stencilMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetFunc: function ( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\t\tif ( currentStencilFunc !== stencilFunc ||\n\t\t\t\t currentStencilRef !== stencilRef ||\n\t\t\t\t currentStencilFuncMask !== stencilMask ) {\n\n\t\t\t\t\tgl.stencilFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t\t\t\tcurrentStencilFunc = stencilFunc;\n\t\t\t\t\tcurrentStencilRef = stencilRef;\n\t\t\t\t\tcurrentStencilFuncMask = stencilMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetOp: function ( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\t\tif ( currentStencilFail !== stencilFail ||\n\t\t\t\t currentStencilZFail !== stencilZFail ||\n\t\t\t\t currentStencilZPass !== stencilZPass ) {\n\n\t\t\t\t\tgl.stencilOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t\t\t\tcurrentStencilFail = stencilFail;\n\t\t\t\t\tcurrentStencilZFail = stencilZFail;\n\t\t\t\t\tcurrentStencilZPass = stencilZPass;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( stencil ) {\n\n\t\t\t\tif ( currentStencilClear !== stencil ) {\n\n\t\t\t\t\tgl.clearStencil( stencil );\n\t\t\t\t\tcurrentStencilClear = stencil;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentStencilMask = null;\n\t\t\t\tcurrentStencilFunc = null;\n\t\t\t\tcurrentStencilRef = null;\n\t\t\t\tcurrentStencilFuncMask = null;\n\t\t\t\tcurrentStencilFail = null;\n\t\t\t\tcurrentStencilZFail = null;\n\t\t\t\tcurrentStencilZPass = null;\n\t\t\t\tcurrentStencilClear = null;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t//\n\n\tconst colorBuffer = new ColorBuffer();\n\tconst depthBuffer = new DepthBuffer();\n\tconst stencilBuffer = new StencilBuffer();\n\n\tlet enabledCapabilities = {};\n\n\tlet currentBoundFramebuffers = {};\n\n\tlet currentProgram = null;\n\n\tlet currentBlendingEnabled = false;\n\tlet currentBlending = null;\n\tlet currentBlendEquation = null;\n\tlet currentBlendSrc = null;\n\tlet currentBlendDst = null;\n\tlet currentBlendEquationAlpha = null;\n\tlet currentBlendSrcAlpha = null;\n\tlet currentBlendDstAlpha = null;\n\tlet currentPremultipledAlpha = false;\n\n\tlet currentFlipSided = null;\n\tlet currentCullFace = null;\n\n\tlet currentLineWidth = null;\n\n\tlet currentPolygonOffsetFactor = null;\n\tlet currentPolygonOffsetUnits = null;\n\n\tconst maxTextures = gl.getParameter( 35661 );\n\n\tlet lineWidthAvailable = false;\n\tlet version = 0;\n\tconst glVersion = gl.getParameter( 7938 );\n\n\tif ( glVersion.indexOf( 'WebGL' ) !== - 1 ) {\n\n\t\tversion = parseFloat( /^WebGL (\\d)/.exec( glVersion )[ 1 ] );\n\t\tlineWidthAvailable = ( version >= 1.0 );\n\n\t} else if ( glVersion.indexOf( 'OpenGL ES' ) !== - 1 ) {\n\n\t\tversion = parseFloat( /^OpenGL ES (\\d)/.exec( glVersion )[ 1 ] );\n\t\tlineWidthAvailable = ( version >= 2.0 );\n\n\t}\n\n\tlet currentTextureSlot = null;\n\tlet currentBoundTextures = {};\n\n\tconst scissorParam = gl.getParameter( 3088 );\n\tconst viewportParam = gl.getParameter( 2978 );\n\n\tconst currentScissor = new Vector4().fromArray( scissorParam );\n\tconst currentViewport = new Vector4().fromArray( viewportParam );\n\n\tfunction createTexture( type, target, count ) {\n\n\t\tconst data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4.\n\t\tconst texture = gl.createTexture();\n\n\t\tgl.bindTexture( type, texture );\n\t\tgl.texParameteri( type, 10241, 9728 );\n\t\tgl.texParameteri( type, 10240, 9728 );\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tgl.texImage2D( target + i, 0, 6408, 1, 1, 0, 6408, 5121, data );\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tconst emptyTextures = {};\n\temptyTextures[ 3553 ] = createTexture( 3553, 3553, 1 );\n\temptyTextures[ 34067 ] = createTexture( 34067, 34069, 6 );\n\n\t// init\n\n\tcolorBuffer.setClear( 0, 0, 0, 1 );\n\tdepthBuffer.setClear( 1 );\n\tstencilBuffer.setClear( 0 );\n\n\tenable( 2929 );\n\tdepthBuffer.setFunc( LessEqualDepth );\n\n\tsetFlipSided( false );\n\tsetCullFace( CullFaceBack );\n\tenable( 2884 );\n\n\tsetBlending( NoBlending );\n\n\t//\n\n\tfunction enable( id ) {\n\n\t\tif ( enabledCapabilities[ id ] !== true ) {\n\n\t\t\tgl.enable( id );\n\t\t\tenabledCapabilities[ id ] = true;\n\n\t\t}\n\n\t}\n\n\tfunction disable( id ) {\n\n\t\tif ( enabledCapabilities[ id ] !== false ) {\n\n\t\t\tgl.disable( id );\n\t\t\tenabledCapabilities[ id ] = false;\n\n\t\t}\n\n\t}\n\n\tfunction bindFramebuffer( target, framebuffer ) {\n\n\t\tif ( currentBoundFramebuffers[ target ] !== framebuffer ) {\n\n\t\t\tgl.bindFramebuffer( target, framebuffer );\n\n\t\t\tcurrentBoundFramebuffers[ target ] = framebuffer;\n\n\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\t// 36009 is equivalent to 36160\n\n\t\t\t\tif ( target === 36009 ) {\n\n\t\t\t\t\tcurrentBoundFramebuffers[ 36160 ] = framebuffer;\n\n\t\t\t\t}\n\n\t\t\t\tif ( target === 36160 ) {\n\n\t\t\t\t\tcurrentBoundFramebuffers[ 36009 ] = framebuffer;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tfunction useProgram( program ) {\n\n\t\tif ( currentProgram !== program ) {\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tcurrentProgram = program;\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tconst equationToGL = {\n\t\t[ AddEquation ]: 32774,\n\t\t[ SubtractEquation ]: 32778,\n\t\t[ ReverseSubtractEquation ]: 32779\n\t};\n\n\tif ( isWebGL2 ) {\n\n\t\tequationToGL[ MinEquation ] = 32775;\n\t\tequationToGL[ MaxEquation ] = 32776;\n\n\t} else {\n\n\t\tconst extension = extensions.get( 'EXT_blend_minmax' );\n\n\t\tif ( extension !== null ) {\n\n\t\t\tequationToGL[ MinEquation ] = extension.MIN_EXT;\n\t\t\tequationToGL[ MaxEquation ] = extension.MAX_EXT;\n\n\t\t}\n\n\t}\n\n\tconst factorToGL = {\n\t\t[ ZeroFactor ]: 0,\n\t\t[ OneFactor ]: 1,\n\t\t[ SrcColorFactor ]: 768,\n\t\t[ SrcAlphaFactor ]: 770,\n\t\t[ SrcAlphaSaturateFactor ]: 776,\n\t\t[ DstColorFactor ]: 774,\n\t\t[ DstAlphaFactor ]: 772,\n\t\t[ OneMinusSrcColorFactor ]: 769,\n\t\t[ OneMinusSrcAlphaFactor ]: 771,\n\t\t[ OneMinusDstColorFactor ]: 775,\n\t\t[ OneMinusDstAlphaFactor ]: 773\n\t};\n\n\tfunction setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, premultipliedAlpha ) {\n\n\t\tif ( blending === NoBlending ) {\n\n\t\t\tif ( currentBlendingEnabled === true ) {\n\n\t\t\t\tdisable( 3042 );\n\t\t\t\tcurrentBlendingEnabled = false;\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( currentBlendingEnabled === false ) {\n\n\t\t\tenable( 3042 );\n\t\t\tcurrentBlendingEnabled = true;\n\n\t\t}\n\n\t\tif ( blending !== CustomBlending ) {\n\n\t\t\tif ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) {\n\n\t\t\t\tif ( currentBlendEquation !== AddEquation || currentBlendEquationAlpha !== AddEquation ) {\n\n\t\t\t\t\tgl.blendEquation( 32774 );\n\n\t\t\t\t\tcurrentBlendEquation = AddEquation;\n\t\t\t\t\tcurrentBlendEquationAlpha = AddEquation;\n\n\t\t\t\t}\n\n\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\tswitch ( blending ) {\n\n\t\t\t\t\t\tcase NormalBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( 1, 771, 1, 771 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase AdditiveBlending:\n\t\t\t\t\t\t\tgl.blendFunc( 1, 1 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase SubtractiveBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( 0, 0, 769, 771 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase MultiplyBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( 0, 768, 0, 770 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.error( 'THREE.WebGLState: Invalid blending: ', blending );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tswitch ( blending ) {\n\n\t\t\t\t\t\tcase NormalBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( 770, 771, 1, 771 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase AdditiveBlending:\n\t\t\t\t\t\t\tgl.blendFunc( 770, 1 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase SubtractiveBlending:\n\t\t\t\t\t\t\tgl.blendFunc( 0, 769 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase MultiplyBlending:\n\t\t\t\t\t\t\tgl.blendFunc( 0, 768 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.error( 'THREE.WebGLState: Invalid blending: ', blending );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tcurrentBlendSrc = null;\n\t\t\t\tcurrentBlendDst = null;\n\t\t\t\tcurrentBlendSrcAlpha = null;\n\t\t\t\tcurrentBlendDstAlpha = null;\n\n\t\t\t\tcurrentBlending = blending;\n\t\t\t\tcurrentPremultipledAlpha = premultipliedAlpha;\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t// custom blending\n\n\t\tblendEquationAlpha = blendEquationAlpha || blendEquation;\n\t\tblendSrcAlpha = blendSrcAlpha || blendSrc;\n\t\tblendDstAlpha = blendDstAlpha || blendDst;\n\n\t\tif ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) {\n\n\t\t\tgl.blendEquationSeparate( equationToGL[ blendEquation ], equationToGL[ blendEquationAlpha ] );\n\n\t\t\tcurrentBlendEquation = blendEquation;\n\t\t\tcurrentBlendEquationAlpha = blendEquationAlpha;\n\n\t\t}\n\n\t\tif ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) {\n\n\t\t\tgl.blendFuncSeparate( factorToGL[ blendSrc ], factorToGL[ blendDst ], factorToGL[ blendSrcAlpha ], factorToGL[ blendDstAlpha ] );\n\n\t\t\tcurrentBlendSrc = blendSrc;\n\t\t\tcurrentBlendDst = blendDst;\n\t\t\tcurrentBlendSrcAlpha = blendSrcAlpha;\n\t\t\tcurrentBlendDstAlpha = blendDstAlpha;\n\n\t\t}\n\n\t\tcurrentBlending = blending;\n\t\tcurrentPremultipledAlpha = null;\n\n\t}\n\n\tfunction setMaterial( material, frontFaceCW ) {\n\n\t\tmaterial.side === DoubleSide\n\t\t\t? disable( 2884 )\n\t\t\t: enable( 2884 );\n\n\t\tlet flipSided = ( material.side === BackSide );\n\t\tif ( frontFaceCW ) flipSided = ! flipSided;\n\n\t\tsetFlipSided( flipSided );\n\n\t\t( material.blending === NormalBlending && material.transparent === false )\n\t\t\t? setBlending( NoBlending )\n\t\t\t: setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha );\n\n\t\tdepthBuffer.setFunc( material.depthFunc );\n\t\tdepthBuffer.setTest( material.depthTest );\n\t\tdepthBuffer.setMask( material.depthWrite );\n\t\tcolorBuffer.setMask( material.colorWrite );\n\n\t\tconst stencilWrite = material.stencilWrite;\n\t\tstencilBuffer.setTest( stencilWrite );\n\t\tif ( stencilWrite ) {\n\n\t\t\tstencilBuffer.setMask( material.stencilWriteMask );\n\t\t\tstencilBuffer.setFunc( material.stencilFunc, material.stencilRef, material.stencilFuncMask );\n\t\t\tstencilBuffer.setOp( material.stencilFail, material.stencilZFail, material.stencilZPass );\n\n\t\t}\n\n\t\tsetPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits );\n\n\t\tmaterial.alphaToCoverage === true\n\t\t\t? enable( 32926 )\n\t\t\t: disable( 32926 );\n\n\t}\n\n\t//\n\n\tfunction setFlipSided( flipSided ) {\n\n\t\tif ( currentFlipSided !== flipSided ) {\n\n\t\t\tif ( flipSided ) {\n\n\t\t\t\tgl.frontFace( 2304 );\n\n\t\t\t} else {\n\n\t\t\t\tgl.frontFace( 2305 );\n\n\t\t\t}\n\n\t\t\tcurrentFlipSided = flipSided;\n\n\t\t}\n\n\t}\n\n\tfunction setCullFace( cullFace ) {\n\n\t\tif ( cullFace !== CullFaceNone ) {\n\n\t\t\tenable( 2884 );\n\n\t\t\tif ( cullFace !== currentCullFace ) {\n\n\t\t\t\tif ( cullFace === CullFaceBack ) {\n\n\t\t\t\t\tgl.cullFace( 1029 );\n\n\t\t\t\t} else if ( cullFace === CullFaceFront ) {\n\n\t\t\t\t\tgl.cullFace( 1028 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.cullFace( 1032 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tdisable( 2884 );\n\n\t\t}\n\n\t\tcurrentCullFace = cullFace;\n\n\t}\n\n\tfunction setLineWidth( width ) {\n\n\t\tif ( width !== currentLineWidth ) {\n\n\t\t\tif ( lineWidthAvailable ) gl.lineWidth( width );\n\n\t\t\tcurrentLineWidth = width;\n\n\t\t}\n\n\t}\n\n\tfunction setPolygonOffset( polygonOffset, factor, units ) {\n\n\t\tif ( polygonOffset ) {\n\n\t\t\tenable( 32823 );\n\n\t\t\tif ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) {\n\n\t\t\t\tgl.polygonOffset( factor, units );\n\n\t\t\t\tcurrentPolygonOffsetFactor = factor;\n\t\t\t\tcurrentPolygonOffsetUnits = units;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tdisable( 32823 );\n\n\t\t}\n\n\t}\n\n\tfunction setScissorTest( scissorTest ) {\n\n\t\tif ( scissorTest ) {\n\n\t\t\tenable( 3089 );\n\n\t\t} else {\n\n\t\t\tdisable( 3089 );\n\n\t\t}\n\n\t}\n\n\t// texture\n\n\tfunction activeTexture( webglSlot ) {\n\n\t\tif ( webglSlot === undefined ) webglSlot = 33984 + maxTextures - 1;\n\n\t\tif ( currentTextureSlot !== webglSlot ) {\n\n\t\t\tgl.activeTexture( webglSlot );\n\t\t\tcurrentTextureSlot = webglSlot;\n\n\t\t}\n\n\t}\n\n\tfunction bindTexture( webglType, webglTexture ) {\n\n\t\tif ( currentTextureSlot === null ) {\n\n\t\t\tactiveTexture();\n\n\t\t}\n\n\t\tlet boundTexture = currentBoundTextures[ currentTextureSlot ];\n\n\t\tif ( boundTexture === undefined ) {\n\n\t\t\tboundTexture = { type: undefined, texture: undefined };\n\t\t\tcurrentBoundTextures[ currentTextureSlot ] = boundTexture;\n\n\t\t}\n\n\t\tif ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) {\n\n\t\t\tgl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] );\n\n\t\t\tboundTexture.type = webglType;\n\t\t\tboundTexture.texture = webglTexture;\n\n\t\t}\n\n\t}\n\n\tfunction unbindTexture() {\n\n\t\tconst boundTexture = currentBoundTextures[ currentTextureSlot ];\n\n\t\tif ( boundTexture !== undefined && boundTexture.type !== undefined ) {\n\n\t\t\tgl.bindTexture( boundTexture.type, null );\n\n\t\t\tboundTexture.type = undefined;\n\t\t\tboundTexture.texture = undefined;\n\n\t\t}\n\n\t}\n\n\tfunction compressedTexImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.compressedTexImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texSubImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texSubImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texStorage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texStorage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texImage3D() {\n\n\t\ttry {\n\n\t\t\tgl.texImage3D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction scissor( scissor ) {\n\n\t\tif ( currentScissor.equals( scissor ) === false ) {\n\n\t\t\tgl.scissor( scissor.x, scissor.y, scissor.z, scissor.w );\n\t\t\tcurrentScissor.copy( scissor );\n\n\t\t}\n\n\t}\n\n\tfunction viewport( viewport ) {\n\n\t\tif ( currentViewport.equals( viewport ) === false ) {\n\n\t\t\tgl.viewport( viewport.x, viewport.y, viewport.z, viewport.w );\n\t\t\tcurrentViewport.copy( viewport );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction reset() {\n\n\t\t// reset state\n\n\t\tgl.disable( 3042 );\n\t\tgl.disable( 2884 );\n\t\tgl.disable( 2929 );\n\t\tgl.disable( 32823 );\n\t\tgl.disable( 3089 );\n\t\tgl.disable( 2960 );\n\t\tgl.disable( 32926 );\n\n\t\tgl.blendEquation( 32774 );\n\t\tgl.blendFunc( 1, 0 );\n\t\tgl.blendFuncSeparate( 1, 0, 1, 0 );\n\n\t\tgl.colorMask( true, true, true, true );\n\t\tgl.clearColor( 0, 0, 0, 0 );\n\n\t\tgl.depthMask( true );\n\t\tgl.depthFunc( 513 );\n\t\tgl.clearDepth( 1 );\n\n\t\tgl.stencilMask( 0xffffffff );\n\t\tgl.stencilFunc( 519, 0, 0xffffffff );\n\t\tgl.stencilOp( 7680, 7680, 7680 );\n\t\tgl.clearStencil( 0 );\n\n\t\tgl.cullFace( 1029 );\n\t\tgl.frontFace( 2305 );\n\n\t\tgl.polygonOffset( 0, 0 );\n\n\t\tgl.activeTexture( 33984 );\n\n\t\tgl.bindFramebuffer( 36160, null );\n\n\t\tif ( isWebGL2 === true ) {\n\n\t\t\tgl.bindFramebuffer( 36009, null );\n\t\t\tgl.bindFramebuffer( 36008, null );\n\n\t\t}\n\n\t\tgl.useProgram( null );\n\n\t\tgl.lineWidth( 1 );\n\n\t\tgl.scissor( 0, 0, gl.canvas.width, gl.canvas.height );\n\t\tgl.viewport( 0, 0, gl.canvas.width, gl.canvas.height );\n\n\t\t// reset internals\n\n\t\tenabledCapabilities = {};\n\n\t\tcurrentTextureSlot = null;\n\t\tcurrentBoundTextures = {};\n\n\t\tcurrentBoundFramebuffers = {};\n\n\t\tcurrentProgram = null;\n\n\t\tcurrentBlendingEnabled = false;\n\t\tcurrentBlending = null;\n\t\tcurrentBlendEquation = null;\n\t\tcurrentBlendSrc = null;\n\t\tcurrentBlendDst = null;\n\t\tcurrentBlendEquationAlpha = null;\n\t\tcurrentBlendSrcAlpha = null;\n\t\tcurrentBlendDstAlpha = null;\n\t\tcurrentPremultipledAlpha = false;\n\n\t\tcurrentFlipSided = null;\n\t\tcurrentCullFace = null;\n\n\t\tcurrentLineWidth = null;\n\n\t\tcurrentPolygonOffsetFactor = null;\n\t\tcurrentPolygonOffsetUnits = null;\n\n\t\tcurrentScissor.set( 0, 0, gl.canvas.width, gl.canvas.height );\n\t\tcurrentViewport.set( 0, 0, gl.canvas.width, gl.canvas.height );\n\n\t\tcolorBuffer.reset();\n\t\tdepthBuffer.reset();\n\t\tstencilBuffer.reset();\n\n\t}\n\n\treturn {\n\n\t\tbuffers: {\n\t\t\tcolor: colorBuffer,\n\t\t\tdepth: depthBuffer,\n\t\t\tstencil: stencilBuffer\n\t\t},\n\n\t\tenable: enable,\n\t\tdisable: disable,\n\n\t\tbindFramebuffer: bindFramebuffer,\n\n\t\tuseProgram: useProgram,\n\n\t\tsetBlending: setBlending,\n\t\tsetMaterial: setMaterial,\n\n\t\tsetFlipSided: setFlipSided,\n\t\tsetCullFace: setCullFace,\n\n\t\tsetLineWidth: setLineWidth,\n\t\tsetPolygonOffset: setPolygonOffset,\n\n\t\tsetScissorTest: setScissorTest,\n\n\t\tactiveTexture: activeTexture,\n\t\tbindTexture: bindTexture,\n\t\tunbindTexture: unbindTexture,\n\t\tcompressedTexImage2D: compressedTexImage2D,\n\t\ttexImage2D: texImage2D,\n\t\ttexImage3D: texImage3D,\n\n\t\ttexStorage2D: texStorage2D,\n\t\ttexSubImage2D: texSubImage2D,\n\n\t\tscissor: scissor,\n\t\tviewport: viewport,\n\n\t\treset: reset\n\n\t};\n\n}\n\nfunction WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\tconst maxTextures = capabilities.maxTextures;\n\tconst maxCubemapSize = capabilities.maxCubemapSize;\n\tconst maxTextureSize = capabilities.maxTextureSize;\n\tconst maxSamples = capabilities.maxSamples;\n\tconst hasMultisampledRenderToTexture = extensions.has( 'WEBGL_multisampled_render_to_texture' );\n\tconst MultisampledRenderToTextureExtension = hasMultisampledRenderToTexture ? extensions.get( 'WEBGL_multisampled_render_to_texture' ) : undefined;\n\n\tconst _videoTextures = new WeakMap();\n\tlet _canvas;\n\n\t// cordova iOS (as of 5.0) still uses UIWebView, which provides OffscreenCanvas,\n\t// also OffscreenCanvas.getContext(\"webgl\"), but not OffscreenCanvas.getContext(\"2d\")!\n\t// Some implementations may only implement OffscreenCanvas partially (e.g. lacking 2d).\n\n\tlet useOffscreenCanvas = false;\n\n\ttry {\n\n\t\tuseOffscreenCanvas = typeof OffscreenCanvas !== 'undefined'\n\t\t\t&& ( new OffscreenCanvas( 1, 1 ).getContext( '2d' ) ) !== null;\n\n\t} catch ( err ) {\n\n\t\t// Ignore any errors\n\n\t}\n\n\tfunction createCanvas( width, height ) {\n\n\t\t// Use OffscreenCanvas when available. Specially needed in web workers\n\n\t\treturn useOffscreenCanvas ?\n\t\t\tnew OffscreenCanvas( width, height ) : createElementNS( 'canvas' );\n\n\t}\n\n\tfunction resizeImage( image, needsPowerOfTwo, needsNewCanvas, maxSize ) {\n\n\t\tlet scale = 1;\n\n\t\t// handle case if texture exceeds max size\n\n\t\tif ( image.width > maxSize || image.height > maxSize ) {\n\n\t\t\tscale = maxSize / Math.max( image.width, image.height );\n\n\t\t}\n\n\t\t// only perform resize if necessary\n\n\t\tif ( scale < 1 || needsPowerOfTwo === true ) {\n\n\t\t\t// only perform resize for certain image types\n\n\t\t\tif ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) ||\n\t\t\t\t( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) ||\n\t\t\t\t( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) {\n\n\t\t\t\tconst floor = needsPowerOfTwo ? floorPowerOfTwo : Math.floor;\n\n\t\t\t\tconst width = floor( scale * image.width );\n\t\t\t\tconst height = floor( scale * image.height );\n\n\t\t\t\tif ( _canvas === undefined ) _canvas = createCanvas( width, height );\n\n\t\t\t\t// cube textures can't reuse the same canvas\n\n\t\t\t\tconst canvas = needsNewCanvas ? createCanvas( width, height ) : _canvas;\n\n\t\t\t\tcanvas.width = width;\n\t\t\t\tcanvas.height = height;\n\n\t\t\t\tconst context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, width, height );\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture has been resized from (' + image.width + 'x' + image.height + ') to (' + width + 'x' + height + ').' );\n\n\t\t\t\treturn canvas;\n\n\t\t\t} else {\n\n\t\t\t\tif ( 'data' in image ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Image in DataTexture is too big (' + image.width + 'x' + image.height + ').' );\n\n\t\t\t\t}\n\n\t\t\t\treturn image;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn image;\n\n\t}\n\n\tfunction isPowerOfTwo$1( image ) {\n\n\t\treturn isPowerOfTwo( image.width ) && isPowerOfTwo( image.height );\n\n\t}\n\n\tfunction textureNeedsPowerOfTwo( texture ) {\n\n\t\tif ( isWebGL2 ) return false;\n\n\t\treturn ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) ||\n\t\t\t( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter );\n\n\t}\n\n\tfunction textureNeedsGenerateMipmaps( texture, supportsMips ) {\n\n\t\treturn texture.generateMipmaps && supportsMips &&\n\t\t\ttexture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter;\n\n\t}\n\n\tfunction generateMipmap( target ) {\n\n\t\t_gl.generateMipmap( target );\n\n\t}\n\n\tfunction getInternalFormat( internalFormatName, glFormat, glType/*, encoding*/ ) {\n\n\t\tif ( isWebGL2 === false ) return glFormat;\n\n\t\tif ( internalFormatName !== null ) {\n\n\t\t\tif ( _gl[ internalFormatName ] !== undefined ) return _gl[ internalFormatName ];\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format \\'' + internalFormatName + '\\'' );\n\n\t\t}\n\n\t\tlet internalFormat = glFormat;\n\n\t\tif ( glFormat === 6403 ) {\n\n\t\t\tif ( glType === 5126 ) internalFormat = 33326;\n\t\t\tif ( glType === 5131 ) internalFormat = 33325;\n\t\t\tif ( glType === 5121 ) internalFormat = 33321;\n\n\t\t}\n\n\t\tif ( glFormat === 6407 ) {\n\n\t\t\tif ( glType === 5126 ) internalFormat = 34837;\n\t\t\tif ( glType === 5131 ) internalFormat = 34843;\n\t\t\tif ( glType === 5121 ) internalFormat = 32849;\n\n\t\t}\n\n\t\tif ( glFormat === 6408 ) {\n\n\t\t\tif ( glType === 5126 ) internalFormat = 34836;\n\t\t\tif ( glType === 5131 ) internalFormat = 34842;\n\t\t\t//if ( glType === 5121 ) internalFormat = ( encoding === sRGBEncoding ) ? 35907 : 32856;\n\t\t\tif ( glType === 5121 ) internalFormat = 32856;\n\n\n\t\t}\n\n\t\tif ( internalFormat === 33325 || internalFormat === 33326 ||\n\t\t\tinternalFormat === 34842 || internalFormat === 34836 ) {\n\n\t\t\textensions.get( 'EXT_color_buffer_float' );\n\n\t\t}\n\n\t\treturn internalFormat;\n\n\t}\n\n\tfunction getMipLevels( texture, image, supportsMips ) {\n\n\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) === true ) {\n\n\t\t\t// generated mipmaps via gl.generateMipmap()\n\n\t\t\treturn Math.log2( Math.max( image.width, image.height ) ) + 1;\n\n\t\t} else if ( texture.mipmaps.length > 0 ) {\n\n\t\t\t// user-defined mipmaps\n\n\t\t\treturn texture.mipmaps.length;\n\n\t\t} else {\n\n\t\t\t// texture without mipmaps (only base level)\n\n\t\t\treturn 1;\n\n\t\t}\n\n\t}\n\n\t// Fallback filters for non-power-of-2 textures\n\n\tfunction filterFallback( f ) {\n\n\t\tif ( f === NearestFilter || f === NearestMipmapNearestFilter || f === NearestMipmapLinearFilter ) {\n\n\t\t\treturn 9728;\n\n\t\t}\n\n\t\treturn 9729;\n\n\t}\n\n\t//\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tdeallocateTexture( texture );\n\n\t\tif ( texture.isVideoTexture ) {\n\n\t\t\t_videoTextures.delete( texture );\n\n\t\t}\n\n\t\tinfo.memory.textures --;\n\n\t}\n\n\tfunction onRenderTargetDispose( event ) {\n\n\t\tconst renderTarget = event.target;\n\n\t\trenderTarget.removeEventListener( 'dispose', onRenderTargetDispose );\n\n\t\tdeallocateRenderTarget( renderTarget );\n\n\t}\n\n\t//\n\n\tfunction deallocateTexture( texture ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( textureProperties.__webglInit === undefined ) return;\n\n\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\tproperties.remove( texture );\n\n\t}\n\n\tfunction deallocateRenderTarget( renderTarget ) {\n\n\t\tconst texture = renderTarget.texture;\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( ! renderTarget ) return;\n\n\t\tif ( textureProperties.__webglTexture !== undefined ) {\n\n\t\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\t\tinfo.memory.textures --;\n\n\t\t}\n\n\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\trenderTarget.depthTexture.dispose();\n\n\t\t}\n\n\t\tif ( renderTarget.isWebGLCubeRenderTarget ) {\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer );\n\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer );\n\t\t\tif ( renderTargetProperties.__webglMultisampledFramebuffer ) _gl.deleteFramebuffer( renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\tif ( renderTargetProperties.__webglColorRenderbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglColorRenderbuffer );\n\t\t\tif ( renderTargetProperties.__webglDepthRenderbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthRenderbuffer );\n\n\t\t}\n\n\t\tif ( renderTarget.isWebGLMultipleRenderTargets ) {\n\n\t\t\tfor ( let i = 0, il = texture.length; i < il; i ++ ) {\n\n\t\t\t\tconst attachmentProperties = properties.get( texture[ i ] );\n\n\t\t\t\tif ( attachmentProperties.__webglTexture ) {\n\n\t\t\t\t\t_gl.deleteTexture( attachmentProperties.__webglTexture );\n\n\t\t\t\t\tinfo.memory.textures --;\n\n\t\t\t\t}\n\n\t\t\t\tproperties.remove( texture[ i ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tproperties.remove( texture );\n\t\tproperties.remove( renderTarget );\n\n\t}\n\n\t//\n\n\tlet textureUnits = 0;\n\n\tfunction resetTextureUnits() {\n\n\t\ttextureUnits = 0;\n\n\t}\n\n\tfunction allocateTextureUnit() {\n\n\t\tconst textureUnit = textureUnits;\n\n\t\tif ( textureUnit >= maxTextures ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLTextures: Trying to use ' + textureUnit + ' texture units while this GPU supports only ' + maxTextures );\n\n\t\t}\n\n\t\ttextureUnits += 1;\n\n\t\treturn textureUnit;\n\n\t}\n\n\t//\n\n\tfunction setTexture2D( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.isVideoTexture ) updateVideoTexture( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tconst image = texture.image;\n\n\t\t\tif ( image === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is undefined' );\n\n\t\t\t} else if ( image.complete === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete' );\n\n\t\t\t} else {\n\n\t\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 3553, textureProperties.__webglTexture );\n\n\t}\n\n\tfunction setTexture2DArray( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 35866, textureProperties.__webglTexture );\n\n\t}\n\n\tfunction setTexture3D( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 32879, textureProperties.__webglTexture );\n\n\t}\n\n\tfunction setTextureCube( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadCubeTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 34067, textureProperties.__webglTexture );\n\n\t}\n\n\tconst wrappingToGL = {\n\t\t[ RepeatWrapping ]: 10497,\n\t\t[ ClampToEdgeWrapping ]: 33071,\n\t\t[ MirroredRepeatWrapping ]: 33648\n\t};\n\n\tconst filterToGL = {\n\t\t[ NearestFilter ]: 9728,\n\t\t[ NearestMipmapNearestFilter ]: 9984,\n\t\t[ NearestMipmapLinearFilter ]: 9986,\n\n\t\t[ LinearFilter ]: 9729,\n\t\t[ LinearMipmapNearestFilter ]: 9985,\n\t\t[ LinearMipmapLinearFilter ]: 9987\n\t};\n\n\tfunction setTextureParameters( textureType, texture, supportsMips ) {\n\n\t\tif ( supportsMips ) {\n\n\t\t\t_gl.texParameteri( textureType, 10242, wrappingToGL[ texture.wrapS ] );\n\t\t\t_gl.texParameteri( textureType, 10243, wrappingToGL[ texture.wrapT ] );\n\n\t\t\tif ( textureType === 32879 || textureType === 35866 ) {\n\n\t\t\t\t_gl.texParameteri( textureType, 32882, wrappingToGL[ texture.wrapR ] );\n\n\t\t\t}\n\n\t\t\t_gl.texParameteri( textureType, 10240, filterToGL[ texture.magFilter ] );\n\t\t\t_gl.texParameteri( textureType, 10241, filterToGL[ texture.minFilter ] );\n\n\t\t} else {\n\n\t\t\t_gl.texParameteri( textureType, 10242, 33071 );\n\t\t\t_gl.texParameteri( textureType, 10243, 33071 );\n\n\t\t\tif ( textureType === 32879 || textureType === 35866 ) {\n\n\t\t\t\t_gl.texParameteri( textureType, 32882, 33071 );\n\n\t\t\t}\n\n\t\t\tif ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.' );\n\n\t\t\t}\n\n\t\t\t_gl.texParameteri( textureType, 10240, filterFallback( texture.magFilter ) );\n\t\t\t_gl.texParameteri( textureType, 10241, filterFallback( texture.minFilter ) );\n\n\t\t\tif ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.' );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( extensions.has( 'EXT_texture_filter_anisotropic' ) === true ) {\n\n\t\t\tconst extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tif ( texture.type === FloatType && extensions.has( 'OES_texture_float_linear' ) === false ) return; // verify extension for WebGL 1 and WebGL 2\n\t\t\tif ( isWebGL2 === false && ( texture.type === HalfFloatType && extensions.has( 'OES_texture_half_float_linear' ) === false ) ) return; // verify extension for WebGL 1 only\n\n\t\t\tif ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) {\n\n\t\t\t\t_gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) );\n\t\t\t\tproperties.get( texture ).__currentAnisotropy = texture.anisotropy;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction initTexture( textureProperties, texture ) {\n\n\t\tif ( textureProperties.__webglInit === undefined ) {\n\n\t\t\ttextureProperties.__webglInit = true;\n\n\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\tinfo.memory.textures ++;\n\n\t\t}\n\n\t}\n\n\tfunction uploadTexture( textureProperties, texture, slot ) {\n\n\t\tlet textureType = 3553;\n\n\t\tif ( texture.isDataTexture2DArray ) textureType = 35866;\n\t\tif ( texture.isDataTexture3D ) textureType = 32879;\n\n\t\tinitTexture( textureProperties, texture );\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( textureType, textureProperties.__webglTexture );\n\n\t\t_gl.pixelStorei( 37440, texture.flipY );\n\t\t_gl.pixelStorei( 37441, texture.premultiplyAlpha );\n\t\t_gl.pixelStorei( 3317, texture.unpackAlignment );\n\t\t_gl.pixelStorei( 37443, 0 );\n\n\t\tconst needsPowerOfTwo = textureNeedsPowerOfTwo( texture ) && isPowerOfTwo$1( texture.image ) === false;\n\t\tconst image = resizeImage( texture.image, needsPowerOfTwo, false, maxTextureSize );\n\n\t\tconst supportsMips = isPowerOfTwo$1( image ) || isWebGL2,\n\t\t\tglFormat = utils.convert( texture.format );\n\n\t\tlet glType = utils.convert( texture.type ),\n\t\t\tglInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding );\n\n\t\tsetTextureParameters( textureType, texture, supportsMips );\n\n\t\tlet mipmap;\n\t\tconst mipmaps = texture.mipmaps;\n\n\t\tif ( texture.isDepthTexture ) {\n\n\t\t\t// populate depth texture with dummy data\n\n\t\t\tglInternalFormat = 6402;\n\n\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\tif ( texture.type === FloatType ) {\n\n\t\t\t\t\tglInternalFormat = 36012;\n\n\t\t\t\t} else if ( texture.type === UnsignedIntType ) {\n\n\t\t\t\t\tglInternalFormat = 33190;\n\n\t\t\t\t} else if ( texture.type === UnsignedInt248Type ) {\n\n\t\t\t\t\tglInternalFormat = 35056;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tglInternalFormat = 33189; // WebGL2 requires sized internalformat for glTexImage2D\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( texture.type === FloatType ) {\n\n\t\t\t\t\tconsole.error( 'WebGLRenderer: Floating point depth texture requires WebGL2.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// validation checks for WebGL 1\n\n\t\t\tif ( texture.format === DepthFormat && glInternalFormat === 6402 ) {\n\n\t\t\t\t// The error INVALID_OPERATION is generated by texImage2D if format and internalformat are\n\t\t\t\t// DEPTH_COMPONENT and type is not UNSIGNED_SHORT or UNSIGNED_INT\n\t\t\t\t// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)\n\t\t\t\tif ( texture.type !== UnsignedShortType && texture.type !== UnsignedIntType ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Use UnsignedShortType or UnsignedIntType for DepthFormat DepthTexture.' );\n\n\t\t\t\t\ttexture.type = UnsignedShortType;\n\t\t\t\t\tglType = utils.convert( texture.type );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( texture.format === DepthStencilFormat && glInternalFormat === 6402 ) {\n\n\t\t\t\t// Depth stencil textures need the DEPTH_STENCIL internal format\n\t\t\t\t// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)\n\t\t\t\tglInternalFormat = 34041;\n\n\t\t\t\t// The error INVALID_OPERATION is generated by texImage2D if format and internalformat are\n\t\t\t\t// DEPTH_STENCIL and type is not UNSIGNED_INT_24_8_WEBGL.\n\t\t\t\t// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)\n\t\t\t\tif ( texture.type !== UnsignedInt248Type ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Use UnsignedInt248Type for DepthStencilFormat DepthTexture.' );\n\n\t\t\t\t\ttexture.type = UnsignedInt248Type;\n\t\t\t\t\tglType = utils.convert( texture.type );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tstate.texImage2D( 3553, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, null );\n\n\t\t} else if ( texture.isDataTexture ) {\n\n\t\t\t// use manually created mipmaps if available\n\t\t\t// if there are no manual mipmaps\n\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\tif ( mipmaps.length > 0 && supportsMips ) {\n\n\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\tmipmap = mipmaps[ i ];\n\t\t\t\t\tstate.texImage2D( 3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t}\n\n\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t} else {\n\n\t\t\t\tstate.texImage2D( 3553, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, image.data );\n\n\t\t\t}\n\n\t\t} else if ( texture.isCompressedTexture ) {\n\n\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\tif ( glFormat !== null ) {\n\n\t\t\t\t\t\tstate.compressedTexImage2D( 3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()' );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( 3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else if ( texture.isDataTexture2DArray ) {\n\n\t\t\tstate.texImage3D( 35866, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data );\n\n\t\t} else if ( texture.isDataTexture3D ) {\n\n\t\t\tstate.texImage3D( 32879, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data );\n\n\t\t} else {\n\n\t\t\t// regular Texture (image, video, canvas)\n\n\t\t\t// use manually created mipmaps if available\n\t\t\t// if there are no manual mipmaps\n\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\tconst levels = getMipLevels( texture, image, supportsMips );\n\t\t\tconst useTexStorage = ( isWebGL2 && texture.isVideoTexture !== true );\n\t\t\tconst allocateMemory = ( textureProperties.__version === undefined );\n\n\t\t\tif ( mipmaps.length > 0 && supportsMips ) {\n\n\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\tstate.texStorage2D( 3553, levels, glInternalFormat, mipmaps[ 0 ].width, mipmaps[ 0 ].height );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\tstate.texSubImage2D( 3553, i, 0, 0, glFormat, glType, mipmap );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( 3553, i, glInternalFormat, glFormat, glType, mipmap );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t} else {\n\n\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage2D( 3553, levels, glInternalFormat, image.width, image.height );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tstate.texSubImage2D( 3553, 0, 0, 0, glFormat, glType, image );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( 3553, 0, glInternalFormat, glFormat, glType, image );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\tgenerateMipmap( textureType );\n\n\t\t}\n\n\t\ttextureProperties.__version = texture.version;\n\n\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t}\n\n\tfunction uploadCubeTexture( textureProperties, texture, slot ) {\n\n\t\tif ( texture.image.length !== 6 ) return;\n\n\t\tinitTexture( textureProperties, texture );\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 34067, textureProperties.__webglTexture );\n\n\t\t_gl.pixelStorei( 37440, texture.flipY );\n\t\t_gl.pixelStorei( 37441, texture.premultiplyAlpha );\n\t\t_gl.pixelStorei( 3317, texture.unpackAlignment );\n\t\t_gl.pixelStorei( 37443, 0 );\n\n\t\tconst isCompressed = ( texture && ( texture.isCompressedTexture || texture.image[ 0 ].isCompressedTexture ) );\n\t\tconst isDataTexture = ( texture.image[ 0 ] && texture.image[ 0 ].isDataTexture );\n\n\t\tconst cubeImage = [];\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tif ( ! isCompressed && ! isDataTexture ) {\n\n\t\t\t\tcubeImage[ i ] = resizeImage( texture.image[ i ], false, true, maxCubemapSize );\n\n\t\t\t} else {\n\n\t\t\t\tcubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ];\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst image = cubeImage[ 0 ],\n\t\t\tsupportsMips = isPowerOfTwo$1( image ) || isWebGL2,\n\t\t\tglFormat = utils.convert( texture.format ),\n\t\t\tglType = utils.convert( texture.type ),\n\t\t\tglInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding );\n\n\t\tsetTextureParameters( 34067, texture, supportsMips );\n\n\t\tlet mipmaps;\n\n\t\tif ( isCompressed ) {\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tmipmaps = cubeImage[ i ].mipmaps;\n\n\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\n\t\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\t\tif ( glFormat !== null ) {\n\n\t\t\t\t\t\t\tstate.compressedTexImage2D( 34069 + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()' );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( 34069 + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tmipmaps = texture.mipmaps;\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( isDataTexture ) {\n\n\t\t\t\t\tstate.texImage2D( 34069 + i, 0, glInternalFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data );\n\n\t\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\t\t\t\t\t\tconst mipmapImage = mipmap.image[ i ].image;\n\n\t\t\t\t\t\tstate.texImage2D( 34069 + i, j + 1, glInternalFormat, mipmapImage.width, mipmapImage.height, 0, glFormat, glType, mipmapImage.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( 34069 + i, 0, glInternalFormat, glFormat, glType, cubeImage[ i ] );\n\n\t\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\n\t\t\t\t\t\tstate.texImage2D( 34069 + i, j + 1, glInternalFormat, glFormat, glType, mipmap.image[ i ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\t// We assume images for cube map have the same size.\n\t\t\tgenerateMipmap( 34067 );\n\n\t\t}\n\n\t\ttextureProperties.__version = texture.version;\n\n\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t}\n\n\t// Render targets\n\n\t// Setup storage for target texture and bind it to correct framebuffer\n\tfunction setupFrameBufferTexture( framebuffer, renderTarget, texture, attachment, textureTarget ) {\n\n\t\tconst glFormat = utils.convert( texture.format );\n\t\tconst glType = utils.convert( texture.type );\n\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding );\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\tif ( ! renderTargetProperties.__hasExternalTextures ) {\n\n\t\t\tif ( textureTarget === 32879 || textureTarget === 35866 ) {\n\n\t\t\t\tstate.texImage3D( textureTarget, 0, glInternalFormat, renderTarget.width, renderTarget.height, renderTarget.depth, 0, glFormat, glType, null );\n\n\t\t\t} else {\n\n\t\t\t\tstate.texImage2D( textureTarget, 0, glInternalFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null );\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.bindFramebuffer( 36160, framebuffer );\n\t\tif ( renderTarget.useRenderToTexture ) {\n\n\t\t\tMultisampledRenderToTextureExtension.framebufferTexture2DMultisampleEXT( 36160, attachment, textureTarget, properties.get( texture ).__webglTexture, 0, getRenderTargetSamples( renderTarget ) );\n\n\t\t} else {\n\n\t\t\t_gl.framebufferTexture2D( 36160, attachment, textureTarget, properties.get( texture ).__webglTexture, 0 );\n\n\t\t}\n\n\t\tstate.bindFramebuffer( 36160, null );\n\n\t}\n\n\n\t// Setup storage for internal depth/stencil buffers and bind to correct framebuffer\n\tfunction setupRenderBufferStorage( renderbuffer, renderTarget, isMultisample ) {\n\n\t\t_gl.bindRenderbuffer( 36161, renderbuffer );\n\n\t\tif ( renderTarget.depthBuffer && ! renderTarget.stencilBuffer ) {\n\n\t\t\tlet glInternalFormat = 33189;\n\n\t\t\tif ( isMultisample || renderTarget.useRenderToTexture ) {\n\n\t\t\t\tconst depthTexture = renderTarget.depthTexture;\n\n\t\t\t\tif ( depthTexture && depthTexture.isDepthTexture ) {\n\n\t\t\t\t\tif ( depthTexture.type === FloatType ) {\n\n\t\t\t\t\t\tglInternalFormat = 36012;\n\n\t\t\t\t\t} else if ( depthTexture.type === UnsignedIntType ) {\n\n\t\t\t\t\t\tglInternalFormat = 33190;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\t\t\tif ( renderTarget.useRenderToTexture ) {\n\n\t\t\t\t\tMultisampledRenderToTextureExtension.renderbufferStorageMultisampleEXT( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_gl.renderbufferStorageMultisample( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t_gl.renderbufferStorage( 36161, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\t\t\t_gl.framebufferRenderbuffer( 36160, 36096, 36161, renderbuffer );\n\n\t\t} else if ( renderTarget.depthBuffer && renderTarget.stencilBuffer ) {\n\n\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\t\tif ( isMultisample && renderTarget.useRenderbuffer ) {\n\n\t\t\t\t_gl.renderbufferStorageMultisample( 36161, samples, 35056, renderTarget.width, renderTarget.height );\n\n\t\t\t} else if ( renderTarget.useRenderToTexture ) {\n\n\t\t\t\tMultisampledRenderToTextureExtension.renderbufferStorageMultisampleEXT( 36161, samples, 35056, renderTarget.width, renderTarget.height );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.renderbufferStorage( 36161, 34041, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\n\t\t\t_gl.framebufferRenderbuffer( 36160, 33306, 36161, renderbuffer );\n\n\t\t} else {\n\n\t\t\t// Use the first texture for MRT so far\n\t\t\tconst texture = renderTarget.isWebGLMultipleRenderTargets === true ? renderTarget.texture[ 0 ] : renderTarget.texture;\n\n\t\t\tconst glFormat = utils.convert( texture.format );\n\t\t\tconst glType = utils.convert( texture.type );\n\t\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding );\n\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\t\tif ( isMultisample && renderTarget.useRenderbuffer ) {\n\n\t\t\t\t_gl.renderbufferStorageMultisample( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t} else if ( renderTarget.useRenderToTexture ) {\n\n\t\t\t\tMultisampledRenderToTextureExtension.renderbufferStorageMultisampleEXT( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.renderbufferStorage( 36161, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\t\t}\n\n\t\t_gl.bindRenderbuffer( 36161, null );\n\n\t}\n\n\t// Setup resources for a Depth Texture for a FBO (needs an extension)\n\tfunction setupDepthTexture( framebuffer, renderTarget ) {\n\n\t\tconst isCube = ( renderTarget && renderTarget.isWebGLCubeRenderTarget );\n\t\tif ( isCube ) throw new Error( 'Depth Texture with cube render targets is not supported' );\n\n\t\tstate.bindFramebuffer( 36160, framebuffer );\n\n\t\tif ( ! ( renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture ) ) {\n\n\t\t\tthrow new Error( 'renderTarget.depthTexture must be an instance of THREE.DepthTexture' );\n\n\t\t}\n\n\t\t// upload an empty depth texture with framebuffer size\n\t\tif ( ! properties.get( renderTarget.depthTexture ).__webglTexture ||\n\t\t\t\trenderTarget.depthTexture.image.width !== renderTarget.width ||\n\t\t\t\trenderTarget.depthTexture.image.height !== renderTarget.height ) {\n\n\t\t\trenderTarget.depthTexture.image.width = renderTarget.width;\n\t\t\trenderTarget.depthTexture.image.height = renderTarget.height;\n\t\t\trenderTarget.depthTexture.needsUpdate = true;\n\n\t\t}\n\n\t\tsetTexture2D( renderTarget.depthTexture, 0 );\n\n\t\tconst webglDepthTexture = properties.get( renderTarget.depthTexture ).__webglTexture;\n\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\tif ( renderTarget.depthTexture.format === DepthFormat ) {\n\n\t\t\tif ( renderTarget.useRenderToTexture ) {\n\n\t\t\t\tMultisampledRenderToTextureExtension.framebufferTexture2DMultisampleEXT( 36160, 36096, 3553, webglDepthTexture, 0, samples );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.framebufferTexture2D( 36160, 36096, 3553, webglDepthTexture, 0 );\n\n\t\t\t}\n\n\t\t} else if ( renderTarget.depthTexture.format === DepthStencilFormat ) {\n\n\t\t\tif ( renderTarget.useRenderToTexture ) {\n\n\t\t\t\tMultisampledRenderToTextureExtension.framebufferTexture2DMultisampleEXT( 36160, 33306, 3553, webglDepthTexture, 0, samples );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.framebufferTexture2D( 36160, 33306, 3553, webglDepthTexture, 0 );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'Unknown depthTexture format' );\n\n\t\t}\n\n\t}\n\n\t// Setup GL resources for a non-texture depth buffer\n\tfunction setupDepthRenderbuffer( renderTarget ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst isCube = ( renderTarget.isWebGLCubeRenderTarget === true );\n\n\t\tif ( renderTarget.depthTexture && ! renderTargetProperties.__autoAllocateDepthBuffer ) {\n\n\t\t\tif ( isCube ) throw new Error( 'target.depthTexture not supported in Cube render targets' );\n\n\t\t\tsetupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget );\n\n\t\t} else {\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\trenderTargetProperties.__webglDepthbuffer = [];\n\n\t\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tstate.bindFramebuffer( 36160, renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer();\n\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget, false );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tstate.bindFramebuffer( 36160, renderTargetProperties.__webglFramebuffer );\n\t\t\t\trenderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer();\n\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget, false );\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.bindFramebuffer( 36160, null );\n\n\t}\n\n\t// rebind framebuffer with external textures\n\tfunction rebindTextures( renderTarget, colorTexture, depthTexture ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\tif ( colorTexture !== undefined ) {\n\n\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, renderTarget.texture, 36064, 3553 );\n\n\t\t}\n\n\t\tif ( depthTexture !== undefined ) {\n\n\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t}\n\n\t}\n\n\t// Set up GL resources for the render target\n\tfunction setupRenderTarget( renderTarget ) {\n\n\t\tconst texture = renderTarget.texture;\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst textureProperties = properties.get( texture );\n\n\t\trenderTarget.addEventListener( 'dispose', onRenderTargetDispose );\n\n\t\tif ( renderTarget.isWebGLMultipleRenderTargets !== true ) {\n\n\t\t\tif ( textureProperties.__webglTexture === undefined ) {\n\n\t\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t}\n\n\t\t\ttextureProperties.__version = texture.version;\n\t\t\tinfo.memory.textures ++;\n\n\t\t}\n\n\t\tconst isCube = ( renderTarget.isWebGLCubeRenderTarget === true );\n\t\tconst isMultipleRenderTargets = ( renderTarget.isWebGLMultipleRenderTargets === true );\n\t\tconst isRenderTarget3D = texture.isDataTexture3D || texture.isDataTexture2DArray;\n\t\tconst supportsMips = isPowerOfTwo$1( renderTarget ) || isWebGL2;\n\n\t\t// Handles WebGL2 RGBFormat fallback - #18858\n\n\t\tif ( isWebGL2 && texture.format === RGBFormat && ( texture.type === FloatType || texture.type === HalfFloatType ) ) {\n\n\t\t\ttexture.format = RGBAFormat;\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Rendering to textures with RGB format is not supported. Using RGBA format instead.' );\n\n\t\t}\n\n\t\t// Setup framebuffer\n\n\t\tif ( isCube ) {\n\n\t\t\trenderTargetProperties.__webglFramebuffer = [];\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer();\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\trenderTargetProperties.__webglFramebuffer = _gl.createFramebuffer();\n\n\t\t\tif ( isMultipleRenderTargets ) {\n\n\t\t\t\tif ( capabilities.drawBuffers ) {\n\n\t\t\t\t\tconst textures = renderTarget.texture;\n\n\t\t\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst attachmentProperties = properties.get( textures[ i ] );\n\n\t\t\t\t\t\tif ( attachmentProperties.__webglTexture === undefined ) {\n\n\t\t\t\t\t\t\tattachmentProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t\t\t\t\tinfo.memory.textures ++;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: WebGLMultipleRenderTargets can only be used with WebGL2 or WEBGL_draw_buffers extension.' );\n\n\t\t\t\t}\n\n\t\t\t} else if ( renderTarget.useRenderbuffer ) {\n\n\t\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\t\trenderTargetProperties.__webglMultisampledFramebuffer = _gl.createFramebuffer();\n\t\t\t\t\trenderTargetProperties.__webglColorRenderbuffer = _gl.createRenderbuffer();\n\n\t\t\t\t\t_gl.bindRenderbuffer( 36161, renderTargetProperties.__webglColorRenderbuffer );\n\n\t\t\t\t\tconst glFormat = utils.convert( texture.format );\n\t\t\t\t\tconst glType = utils.convert( texture.type );\n\t\t\t\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding );\n\t\t\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\t\t\t\t\t_gl.renderbufferStorageMultisample( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t\tstate.bindFramebuffer( 36160, renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\t\t\t_gl.framebufferRenderbuffer( 36160, 36064, 36161, renderTargetProperties.__webglColorRenderbuffer );\n\t\t\t\t\t_gl.bindRenderbuffer( 36161, null );\n\n\t\t\t\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t\t\t\trenderTargetProperties.__webglDepthRenderbuffer = _gl.createRenderbuffer();\n\t\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthRenderbuffer, renderTarget, true );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tstate.bindFramebuffer( 36160, null );\n\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Setup color buffer\n\n\t\tif ( isCube ) {\n\n\t\t\tstate.bindTexture( 34067, textureProperties.__webglTexture );\n\t\t\tsetTextureParameters( 34067, texture, supportsMips );\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, texture, 36064, 34069 + i );\n\n\t\t\t}\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\t\tgenerateMipmap( 34067 );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t} else if ( isMultipleRenderTargets ) {\n\n\t\t\tconst textures = renderTarget.texture;\n\n\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\tconst attachment = textures[ i ];\n\t\t\t\tconst attachmentProperties = properties.get( attachment );\n\n\t\t\t\tstate.bindTexture( 3553, attachmentProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( 3553, attachment, supportsMips );\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, attachment, 36064 + i, 3553 );\n\n\t\t\t\tif ( textureNeedsGenerateMipmaps( attachment, supportsMips ) ) {\n\n\t\t\t\t\tgenerateMipmap( 3553 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t} else {\n\n\t\t\tlet glTextureType = 3553;\n\n\t\t\tif ( isRenderTarget3D ) {\n\n\t\t\t\t// Render targets containing layers, i.e: Texture 3D and 2d arrays\n\n\t\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\t\tconst isTexture3D = texture.isDataTexture3D;\n\t\t\t\t\tglTextureType = isTexture3D ? 32879 : 35866;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.DataTexture3D and THREE.DataTexture2DArray only supported with WebGL2.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.bindTexture( glTextureType, textureProperties.__webglTexture );\n\t\t\tsetTextureParameters( glTextureType, texture, supportsMips );\n\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, texture, 36064, glTextureType );\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\t\tgenerateMipmap( glTextureType );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t}\n\n\t\t// Setup depth and stencil buffers\n\n\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t}\n\n\t}\n\n\tfunction updateRenderTargetMipmap( renderTarget ) {\n\n\t\tconst supportsMips = isPowerOfTwo$1( renderTarget ) || isWebGL2;\n\n\t\tconst textures = renderTarget.isWebGLMultipleRenderTargets === true ? renderTarget.texture : [ renderTarget.texture ];\n\n\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\tconst texture = textures[ i ];\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\t\tconst target = renderTarget.isWebGLCubeRenderTarget ? 34067 : 3553;\n\t\t\t\tconst webglTexture = properties.get( texture ).__webglTexture;\n\n\t\t\t\tstate.bindTexture( target, webglTexture );\n\t\t\t\tgenerateMipmap( target );\n\t\t\t\tstate.unbindTexture();\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction updateMultisampleRenderTarget( renderTarget ) {\n\n\t\tif ( renderTarget.useRenderbuffer ) {\n\n\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\tconst width = renderTarget.width;\n\t\t\t\tconst height = renderTarget.height;\n\t\t\t\tlet mask = 16384;\n\t\t\t\tconst invalidationArray = [ 36064 ];\n\t\t\t\tconst depthStyle = renderTarget.stencilBuffer ? 33306 : 36096;\n\n\t\t\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t\t\tinvalidationArray.push( depthStyle );\n\n\t\t\t\t}\n\n\t\t\t\tif ( ! renderTarget.ignoreDepthForMultisampleCopy ) {\n\n\t\t\t\t\tif ( renderTarget.depthBuffer ) mask |= 256;\n\t\t\t\t\tif ( renderTarget.stencilBuffer ) mask |= 1024;\n\n\t\t\t\t}\n\n\t\t\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\t\t\tstate.bindFramebuffer( 36008, renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\t\tstate.bindFramebuffer( 36009, renderTargetProperties.__webglFramebuffer );\n\n\t\t\t\tif ( renderTarget.ignoreDepthForMultisampleCopy ) {\n\n\t\t\t\t\t_gl.invalidateFramebuffer( 36008, [ depthStyle ] );\n\t\t\t\t\t_gl.invalidateFramebuffer( 36009, [ depthStyle ] );\n\n\t\t\t\t}\n\n\t\t\t\t_gl.blitFramebuffer( 0, 0, width, height, 0, 0, width, height, mask, 9728 );\n\t\t\t\t_gl.invalidateFramebuffer( 36008, invalidationArray );\n\n\t\t\t\tstate.bindFramebuffer( 36008, null );\n\t\t\t\tstate.bindFramebuffer( 36009, renderTargetProperties.__webglMultisampledFramebuffer );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2.' );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction getRenderTargetSamples( renderTarget ) {\n\n\t\treturn ( isWebGL2 && ( renderTarget.useRenderbuffer || renderTarget.useRenderToTexture ) ) ?\n\t\t\tMath.min( maxSamples, renderTarget.samples ) : 0;\n\n\t}\n\n\tfunction updateVideoTexture( texture ) {\n\n\t\tconst frame = info.render.frame;\n\n\t\t// Check the last frame we updated the VideoTexture\n\n\t\tif ( _videoTextures.get( texture ) !== frame ) {\n\n\t\t\t_videoTextures.set( texture, frame );\n\t\t\ttexture.update();\n\n\t\t}\n\n\t}\n\n\t// backwards compatibility\n\n\tlet warnedTexture2D = false;\n\tlet warnedTextureCube = false;\n\n\tfunction safeSetTexture2D( texture, slot ) {\n\n\t\tif ( texture && texture.isWebGLRenderTarget ) {\n\n\t\t\tif ( warnedTexture2D === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLTextures.safeSetTexture2D: don\\'t use render targets as textures. Use their .texture property instead.' );\n\t\t\t\twarnedTexture2D = true;\n\n\t\t\t}\n\n\t\t\ttexture = texture.texture;\n\n\t\t}\n\n\t\tsetTexture2D( texture, slot );\n\n\t}\n\n\tfunction safeSetTextureCube( texture, slot ) {\n\n\t\tif ( texture && texture.isWebGLCubeRenderTarget ) {\n\n\t\t\tif ( warnedTextureCube === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLTextures.safeSetTextureCube: don\\'t use cube render targets as textures. Use their .texture property instead.' );\n\t\t\t\twarnedTextureCube = true;\n\n\t\t\t}\n\n\t\t\ttexture = texture.texture;\n\n\t\t}\n\n\n\t\tsetTextureCube( texture, slot );\n\n\t}\n\n\t//\n\n\tthis.allocateTextureUnit = allocateTextureUnit;\n\tthis.resetTextureUnits = resetTextureUnits;\n\n\tthis.setTexture2D = setTexture2D;\n\tthis.setTexture2DArray = setTexture2DArray;\n\tthis.setTexture3D = setTexture3D;\n\tthis.setTextureCube = setTextureCube;\n\tthis.rebindTextures = rebindTextures;\n\tthis.setupRenderTarget = setupRenderTarget;\n\tthis.updateRenderTargetMipmap = updateRenderTargetMipmap;\n\tthis.updateMultisampleRenderTarget = updateMultisampleRenderTarget;\n\tthis.setupDepthRenderbuffer = setupDepthRenderbuffer;\n\tthis.setupFrameBufferTexture = setupFrameBufferTexture;\n\n\tthis.safeSetTexture2D = safeSetTexture2D;\n\tthis.safeSetTextureCube = safeSetTextureCube;\n\n}\n\nfunction WebGLUtils( gl, extensions, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tfunction convert( p ) {\n\n\t\tlet extension;\n\n\t\tif ( p === UnsignedByteType ) return 5121;\n\t\tif ( p === UnsignedShort4444Type ) return 32819;\n\t\tif ( p === UnsignedShort5551Type ) return 32820;\n\t\tif ( p === UnsignedShort565Type ) return 33635;\n\n\t\tif ( p === ByteType ) return 5120;\n\t\tif ( p === ShortType ) return 5122;\n\t\tif ( p === UnsignedShortType ) return 5123;\n\t\tif ( p === IntType ) return 5124;\n\t\tif ( p === UnsignedIntType ) return 5125;\n\t\tif ( p === FloatType ) return 5126;\n\n\t\tif ( p === HalfFloatType ) {\n\n\t\t\tif ( isWebGL2 ) return 5131;\n\n\t\t\textension = extensions.get( 'OES_texture_half_float' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\treturn extension.HALF_FLOAT_OES;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === AlphaFormat ) return 6406;\n\t\tif ( p === RGBFormat ) return 6407;\n\t\tif ( p === RGBAFormat ) return 6408;\n\t\tif ( p === LuminanceFormat ) return 6409;\n\t\tif ( p === LuminanceAlphaFormat ) return 6410;\n\t\tif ( p === DepthFormat ) return 6402;\n\t\tif ( p === DepthStencilFormat ) return 34041;\n\t\tif ( p === RedFormat ) return 6403;\n\n\t\t// WebGL2 formats.\n\n\t\tif ( p === RedIntegerFormat ) return 36244;\n\t\tif ( p === RGFormat ) return 33319;\n\t\tif ( p === RGIntegerFormat ) return 33320;\n\t\tif ( p === RGBIntegerFormat ) return 36248;\n\t\tif ( p === RGBAIntegerFormat ) return 36249;\n\n\t\tif ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format ||\n\t\t\tp === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT;\n\t\t\t\tif ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT;\n\t\t\t\tif ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT;\n\t\t\t\tif ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format ||\n\t\t\tp === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;\n\t\t\t\tif ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;\n\t\t\t\tif ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;\n\t\t\t\tif ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === RGB_ETC1_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_etc1' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\treturn extension.COMPRESSED_RGB_ETC1_WEBGL;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === RGB_ETC2_Format || p === RGBA_ETC2_EAC_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_etc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGB_ETC2_Format ) return extension.COMPRESSED_RGB8_ETC2;\n\t\t\t\tif ( p === RGBA_ETC2_EAC_Format ) return extension.COMPRESSED_RGBA8_ETC2_EAC;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === RGBA_ASTC_4x4_Format || p === RGBA_ASTC_5x4_Format || p === RGBA_ASTC_5x5_Format ||\n\t\t\tp === RGBA_ASTC_6x5_Format || p === RGBA_ASTC_6x6_Format || p === RGBA_ASTC_8x5_Format ||\n\t\t\tp === RGBA_ASTC_8x6_Format || p === RGBA_ASTC_8x8_Format || p === RGBA_ASTC_10x5_Format ||\n\t\t\tp === RGBA_ASTC_10x6_Format || p === RGBA_ASTC_10x8_Format || p === RGBA_ASTC_10x10_Format ||\n\t\t\tp === RGBA_ASTC_12x10_Format || p === RGBA_ASTC_12x12_Format ||\n\t\t\tp === SRGB8_ALPHA8_ASTC_4x4_Format || p === SRGB8_ALPHA8_ASTC_5x4_Format || p === SRGB8_ALPHA8_ASTC_5x5_Format ||\n\t\t\tp === SRGB8_ALPHA8_ASTC_6x5_Format || p === SRGB8_ALPHA8_ASTC_6x6_Format || p === SRGB8_ALPHA8_ASTC_8x5_Format ||\n\t\t\tp === SRGB8_ALPHA8_ASTC_8x6_Format || p === SRGB8_ALPHA8_ASTC_8x8_Format || p === SRGB8_ALPHA8_ASTC_10x5_Format ||\n\t\t\tp === SRGB8_ALPHA8_ASTC_10x6_Format || p === SRGB8_ALPHA8_ASTC_10x8_Format || p === SRGB8_ALPHA8_ASTC_10x10_Format ||\n\t\t\tp === SRGB8_ALPHA8_ASTC_12x10_Format || p === SRGB8_ALPHA8_ASTC_12x12_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_astc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\t// TODO Complete?\n\n\t\t\t\treturn p;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === RGBA_BPTC_Format ) {\n\n\t\t\textension = extensions.get( 'EXT_texture_compression_bptc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\t// TODO Complete?\n\n\t\t\t\treturn p;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === UnsignedInt248Type ) {\n\n\t\t\tif ( isWebGL2 ) return 34042;\n\n\t\t\textension = extensions.get( 'WEBGL_depth_texture' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\treturn extension.UNSIGNED_INT_24_8_WEBGL;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn { convert: convert };\n\n}\n\nclass ArrayCamera extends PerspectiveCamera {\n\n\tconstructor( array = [] ) {\n\n\t\tsuper();\n\n\t\tthis.cameras = array;\n\n\t}\n\n}\n\nArrayCamera.prototype.isArrayCamera = true;\n\nclass Group extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'Group';\n\n\t}\n\n}\n\nGroup.prototype.isGroup = true;\n\nconst _moveEvent = { type: 'move' };\n\nclass WebXRController {\n\n\tconstructor() {\n\n\t\tthis._targetRay = null;\n\t\tthis._grip = null;\n\t\tthis._hand = null;\n\n\t}\n\n\tgetHandSpace() {\n\n\t\tif ( this._hand === null ) {\n\n\t\t\tthis._hand = new Group();\n\t\t\tthis._hand.matrixAutoUpdate = false;\n\t\t\tthis._hand.visible = false;\n\n\t\t\tthis._hand.joints = {};\n\t\t\tthis._hand.inputState = { pinching: false };\n\n\t\t}\n\n\t\treturn this._hand;\n\n\t}\n\n\tgetTargetRaySpace() {\n\n\t\tif ( this._targetRay === null ) {\n\n\t\t\tthis._targetRay = new Group();\n\t\t\tthis._targetRay.matrixAutoUpdate = false;\n\t\t\tthis._targetRay.visible = false;\n\t\t\tthis._targetRay.hasLinearVelocity = false;\n\t\t\tthis._targetRay.linearVelocity = new Vector3();\n\t\t\tthis._targetRay.hasAngularVelocity = false;\n\t\t\tthis._targetRay.angularVelocity = new Vector3();\n\n\t\t}\n\n\t\treturn this._targetRay;\n\n\t}\n\n\tgetGripSpace() {\n\n\t\tif ( this._grip === null ) {\n\n\t\t\tthis._grip = new Group();\n\t\t\tthis._grip.matrixAutoUpdate = false;\n\t\t\tthis._grip.visible = false;\n\t\t\tthis._grip.hasLinearVelocity = false;\n\t\t\tthis._grip.linearVelocity = new Vector3();\n\t\t\tthis._grip.hasAngularVelocity = false;\n\t\t\tthis._grip.angularVelocity = new Vector3();\n\n\t\t}\n\n\t\treturn this._grip;\n\n\t}\n\n\tdispatchEvent( event ) {\n\n\t\tif ( this._targetRay !== null ) {\n\n\t\t\tthis._targetRay.dispatchEvent( event );\n\n\t\t}\n\n\t\tif ( this._grip !== null ) {\n\n\t\t\tthis._grip.dispatchEvent( event );\n\n\t\t}\n\n\t\tif ( this._hand !== null ) {\n\n\t\t\tthis._hand.dispatchEvent( event );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tdisconnect( inputSource ) {\n\n\t\tthis.dispatchEvent( { type: 'disconnected', data: inputSource } );\n\n\t\tif ( this._targetRay !== null ) {\n\n\t\t\tthis._targetRay.visible = false;\n\n\t\t}\n\n\t\tif ( this._grip !== null ) {\n\n\t\t\tthis._grip.visible = false;\n\n\t\t}\n\n\t\tif ( this._hand !== null ) {\n\n\t\t\tthis._hand.visible = false;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tupdate( inputSource, frame, referenceSpace ) {\n\n\t\tlet inputPose = null;\n\t\tlet gripPose = null;\n\t\tlet handPose = null;\n\n\t\tconst targetRay = this._targetRay;\n\t\tconst grip = this._grip;\n\t\tconst hand = this._hand;\n\n\t\tif ( inputSource && frame.session.visibilityState !== 'visible-blurred' ) {\n\n\t\t\tif ( targetRay !== null ) {\n\n\t\t\t\tinputPose = frame.getPose( inputSource.targetRaySpace, referenceSpace );\n\n\t\t\t\tif ( inputPose !== null ) {\n\n\t\t\t\t\ttargetRay.matrix.fromArray( inputPose.transform.matrix );\n\t\t\t\t\ttargetRay.matrix.decompose( targetRay.position, targetRay.rotation, targetRay.scale );\n\n\t\t\t\t\tif ( inputPose.linearVelocity ) {\n\n\t\t\t\t\t\ttargetRay.hasLinearVelocity = true;\n\t\t\t\t\t\ttargetRay.linearVelocity.copy( inputPose.linearVelocity );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttargetRay.hasLinearVelocity = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( inputPose.angularVelocity ) {\n\n\t\t\t\t\t\ttargetRay.hasAngularVelocity = true;\n\t\t\t\t\t\ttargetRay.angularVelocity.copy( inputPose.angularVelocity );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttargetRay.hasAngularVelocity = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.dispatchEvent( _moveEvent );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( hand && inputSource.hand ) {\n\n\t\t\t\thandPose = true;\n\n\t\t\t\tfor ( const inputjoint of inputSource.hand.values() ) {\n\n\t\t\t\t\t// Update the joints groups with the XRJoint poses\n\t\t\t\t\tconst jointPose = frame.getJointPose( inputjoint, referenceSpace );\n\n\t\t\t\t\tif ( hand.joints[ inputjoint.jointName ] === undefined ) {\n\n\t\t\t\t\t\t// The transform of this joint will be updated with the joint pose on each frame\n\t\t\t\t\t\tconst joint = new Group();\n\t\t\t\t\t\tjoint.matrixAutoUpdate = false;\n\t\t\t\t\t\tjoint.visible = false;\n\t\t\t\t\t\thand.joints[ inputjoint.jointName ] = joint;\n\t\t\t\t\t\t// ??\n\t\t\t\t\t\thand.add( joint );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst joint = hand.joints[ inputjoint.jointName ];\n\n\t\t\t\t\tif ( jointPose !== null ) {\n\n\t\t\t\t\t\tjoint.matrix.fromArray( jointPose.transform.matrix );\n\t\t\t\t\t\tjoint.matrix.decompose( joint.position, joint.rotation, joint.scale );\n\t\t\t\t\t\tjoint.jointRadius = jointPose.radius;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tjoint.visible = jointPose !== null;\n\n\t\t\t\t}\n\n\t\t\t\t// Custom events\n\n\t\t\t\t// Check pinchz\n\t\t\t\tconst indexTip = hand.joints[ 'index-finger-tip' ];\n\t\t\t\tconst thumbTip = hand.joints[ 'thumb-tip' ];\n\t\t\t\tconst distance = indexTip.position.distanceTo( thumbTip.position );\n\n\t\t\t\tconst distanceToPinch = 0.02;\n\t\t\t\tconst threshold = 0.005;\n\n\t\t\t\tif ( hand.inputState.pinching && distance > distanceToPinch + threshold ) {\n\n\t\t\t\t\thand.inputState.pinching = false;\n\t\t\t\t\tthis.dispatchEvent( {\n\t\t\t\t\t\ttype: 'pinchend',\n\t\t\t\t\t\thandedness: inputSource.handedness,\n\t\t\t\t\t\ttarget: this\n\t\t\t\t\t} );\n\n\t\t\t\t} else if ( ! hand.inputState.pinching && distance <= distanceToPinch - threshold ) {\n\n\t\t\t\t\thand.inputState.pinching = true;\n\t\t\t\t\tthis.dispatchEvent( {\n\t\t\t\t\t\ttype: 'pinchstart',\n\t\t\t\t\t\thandedness: inputSource.handedness,\n\t\t\t\t\t\ttarget: this\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( grip !== null && inputSource.gripSpace ) {\n\n\t\t\t\t\tgripPose = frame.getPose( inputSource.gripSpace, referenceSpace );\n\n\t\t\t\t\tif ( gripPose !== null ) {\n\n\t\t\t\t\t\tgrip.matrix.fromArray( gripPose.transform.matrix );\n\t\t\t\t\t\tgrip.matrix.decompose( grip.position, grip.rotation, grip.scale );\n\n\t\t\t\t\t\tif ( gripPose.linearVelocity ) {\n\n\t\t\t\t\t\t\tgrip.hasLinearVelocity = true;\n\t\t\t\t\t\t\tgrip.linearVelocity.copy( gripPose.linearVelocity );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgrip.hasLinearVelocity = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( gripPose.angularVelocity ) {\n\n\t\t\t\t\t\t\tgrip.hasAngularVelocity = true;\n\t\t\t\t\t\t\tgrip.angularVelocity.copy( gripPose.angularVelocity );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgrip.hasAngularVelocity = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( targetRay !== null ) {\n\n\t\t\ttargetRay.visible = ( inputPose !== null );\n\n\t\t}\n\n\t\tif ( grip !== null ) {\n\n\t\t\tgrip.visible = ( gripPose !== null );\n\n\t\t}\n\n\t\tif ( hand !== null ) {\n\n\t\t\thand.visible = ( handPose !== null );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass DepthTexture extends Texture {\n\n\tconstructor( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format ) {\n\n\t\tformat = format !== undefined ? format : DepthFormat;\n\n\t\tif ( format !== DepthFormat && format !== DepthStencilFormat ) {\n\n\t\t\tthrow new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' );\n\n\t\t}\n\n\t\tif ( type === undefined && format === DepthFormat ) type = UnsignedShortType;\n\t\tif ( type === undefined && format === DepthStencilFormat ) type = UnsignedInt248Type;\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.image = { width: width, height: height };\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : NearestFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : NearestFilter;\n\n\t\tthis.flipY = false;\n\t\tthis.generateMipmaps\t= false;\n\n\t}\n\n\n}\n\nDepthTexture.prototype.isDepthTexture = true;\n\nclass WebXRManager extends EventDispatcher {\n\n\tconstructor( renderer, gl ) {\n\n\t\tsuper();\n\n\t\tconst scope = this;\n\n\t\tlet session = null;\n\t\tlet framebufferScaleFactor = 1.0;\n\n\t\tlet referenceSpace = null;\n\t\tlet referenceSpaceType = 'local-floor';\n\t\tconst hasMultisampledRenderToTexture = renderer.extensions.has( 'WEBGL_multisampled_render_to_texture' );\n\n\t\tlet pose = null;\n\t\tlet glBinding = null;\n\t\tlet glProjLayer = null;\n\t\tlet glBaseLayer = null;\n\t\tlet isMultisample = false;\n\t\tlet xrFrame = null;\n\t\tconst attributes = gl.getContextAttributes();\n\t\tlet initialRenderTarget = null;\n\t\tlet newRenderTarget = null;\n\n\t\tconst controllers = [];\n\t\tconst inputSourcesMap = new Map();\n\n\t\t//\n\n\t\tconst cameraL = new PerspectiveCamera();\n\t\tcameraL.layers.enable( 1 );\n\t\tcameraL.viewport = new Vector4();\n\n\t\tconst cameraR = new PerspectiveCamera();\n\t\tcameraR.layers.enable( 2 );\n\t\tcameraR.viewport = new Vector4();\n\n\t\tconst cameras = [ cameraL, cameraR ];\n\n\t\tconst cameraVR = new ArrayCamera();\n\t\tcameraVR.layers.enable( 1 );\n\t\tcameraVR.layers.enable( 2 );\n\n\t\tlet _currentDepthNear = null;\n\t\tlet _currentDepthFar = null;\n\n\t\t//\n\n\t\tthis.cameraAutoUpdate = true;\n\t\tthis.enabled = false;\n\n\t\tthis.isPresenting = false;\n\n\t\tthis.getController = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getTargetRaySpace();\n\n\t\t};\n\n\t\tthis.getControllerGrip = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getGripSpace();\n\n\t\t};\n\n\t\tthis.getHand = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getHandSpace();\n\n\t\t};\n\n\t\t//\n\n\t\tfunction onSessionEvent( event ) {\n\n\t\t\tconst controller = inputSourcesMap.get( event.inputSource );\n\n\t\t\tif ( controller ) {\n\n\t\t\t\tcontroller.dispatchEvent( { type: event.type, data: event.inputSource } );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onSessionEnd() {\n\n\t\t\tinputSourcesMap.forEach( function ( controller, inputSource ) {\n\n\t\t\t\tcontroller.disconnect( inputSource );\n\n\t\t\t} );\n\n\t\t\tinputSourcesMap.clear();\n\n\t\t\t_currentDepthNear = null;\n\t\t\t_currentDepthFar = null;\n\n\t\t\t// restore framebuffer/rendering state\n\n\t\t\trenderer.setRenderTarget( initialRenderTarget );\n\n\t\t\tglBaseLayer = null;\n\t\t\tglProjLayer = null;\n\t\t\tglBinding = null;\n\t\t\tsession = null;\n\t\t\tnewRenderTarget = null;\n\n\t\t\t//\n\n\t\t\tanimation.stop();\n\n\t\t\tscope.isPresenting = false;\n\n\t\t\tscope.dispatchEvent( { type: 'sessionend' } );\n\n\t\t}\n\n\t\tthis.setFramebufferScaleFactor = function ( value ) {\n\n\t\t\tframebufferScaleFactor = value;\n\n\t\t\tif ( scope.isPresenting === true ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebXRManager: Cannot change framebuffer scale while presenting.' );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.setReferenceSpaceType = function ( value ) {\n\n\t\t\treferenceSpaceType = value;\n\n\t\t\tif ( scope.isPresenting === true ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebXRManager: Cannot change reference space type while presenting.' );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getReferenceSpace = function () {\n\n\t\t\treturn referenceSpace;\n\n\t\t};\n\n\t\tthis.getBaseLayer = function () {\n\n\t\t\treturn glProjLayer !== null ? glProjLayer : glBaseLayer;\n\n\t\t};\n\n\t\tthis.getBinding = function () {\n\n\t\t\treturn glBinding;\n\n\t\t};\n\n\t\tthis.getFrame = function () {\n\n\t\t\treturn xrFrame;\n\n\t\t};\n\n\t\tthis.getSession = function () {\n\n\t\t\treturn session;\n\n\t\t};\n\n\t\tthis.setSession = async function ( value ) {\n\n\t\t\tsession = value;\n\n\t\t\tif ( session !== null ) {\n\n\t\t\t\tinitialRenderTarget = renderer.getRenderTarget();\n\n\t\t\t\tsession.addEventListener( 'select', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'selectstart', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'selectend', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeeze', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeezestart', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeezeend', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'end', onSessionEnd );\n\t\t\t\tsession.addEventListener( 'inputsourceschange', onInputSourcesChange );\n\n\t\t\t\tif ( attributes.xrCompatible !== true ) {\n\n\t\t\t\t\tawait gl.makeXRCompatible();\n\n\t\t\t\t}\n\n\t\t\t\tif ( ( session.renderState.layers === undefined ) || ( renderer.capabilities.isWebGL2 === false ) ) {\n\n\t\t\t\t\tconst layerInit = {\n\t\t\t\t\t\tantialias: ( session.renderState.layers === undefined ) ? attributes.antialias : true,\n\t\t\t\t\t\talpha: attributes.alpha,\n\t\t\t\t\t\tdepth: attributes.depth,\n\t\t\t\t\t\tstencil: attributes.stencil,\n\t\t\t\t\t\tframebufferScaleFactor: framebufferScaleFactor\n\t\t\t\t\t};\n\n\t\t\t\t\tglBaseLayer = new XRWebGLLayer( session, gl, layerInit );\n\n\t\t\t\t\tsession.updateRenderState( { baseLayer: glBaseLayer } );\n\n\t\t\t\t\tnewRenderTarget = new WebGLRenderTarget(\n\t\t\t\t\t\tglBaseLayer.framebufferWidth,\n\t\t\t\t\t\tglBaseLayer.framebufferHeight\n\t\t\t\t\t);\n\n\t\t\t\t} else {\n\n\t\t\t\t\tisMultisample = attributes.antialias;\n\t\t\t\t\tlet depthFormat = null;\n\t\t\t\t\tlet depthType = null;\n\t\t\t\t\tlet glDepthFormat = null;\n\n\t\t\t\t\tif ( attributes.depth ) {\n\n\t\t\t\t\t\tglDepthFormat = attributes.stencil ? 35056 : 33189;\n\t\t\t\t\t\tdepthFormat = attributes.stencil ? DepthStencilFormat : DepthFormat;\n\t\t\t\t\t\tdepthType = attributes.stencil ? UnsignedInt248Type : UnsignedShortType;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst projectionlayerInit = {\n\t\t\t\t\t\tcolorFormat: ( attributes.alpha || isMultisample ) ? 32856 : 32849,\n\t\t\t\t\t\tdepthFormat: glDepthFormat,\n\t\t\t\t\t\tscaleFactor: framebufferScaleFactor\n\t\t\t\t\t};\n\n\t\t\t\t\tglBinding = new XRWebGLBinding( session, gl );\n\n\t\t\t\t\tglProjLayer = glBinding.createProjectionLayer( projectionlayerInit );\n\n\t\t\t\t\tsession.updateRenderState( { layers: [ glProjLayer ] } );\n\n\t\t\t\t\tif ( isMultisample ) {\n\n\t\t\t\t\t\tnewRenderTarget = new WebGLMultisampleRenderTarget(\n\t\t\t\t\t\t\tglProjLayer.textureWidth,\n\t\t\t\t\t\t\tglProjLayer.textureHeight,\n\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\tformat: RGBAFormat,\n\t\t\t\t\t\t\t\ttype: UnsignedByteType,\n\t\t\t\t\t\t\t\tdepthTexture: new DepthTexture( glProjLayer.textureWidth, glProjLayer.textureHeight, depthType, undefined, undefined, undefined, undefined, undefined, undefined, depthFormat ),\n\t\t\t\t\t\t\t\tstencilBuffer: attributes.stencil,\n\t\t\t\t\t\t\t\tignoreDepth: glProjLayer.ignoreDepthValues,\n\t\t\t\t\t\t\t\tuseRenderToTexture: hasMultisampledRenderToTexture,\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tnewRenderTarget = new WebGLRenderTarget(\n\t\t\t\t\t\t\tglProjLayer.textureWidth,\n\t\t\t\t\t\t\tglProjLayer.textureHeight,\n\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\tformat: attributes.alpha ? RGBAFormat : RGBFormat,\n\t\t\t\t\t\t\t\ttype: UnsignedByteType,\n\t\t\t\t\t\t\t\tdepthTexture: new DepthTexture( glProjLayer.textureWidth, glProjLayer.textureHeight, depthType, undefined, undefined, undefined, undefined, undefined, undefined, depthFormat ),\n\t\t\t\t\t\t\t\tstencilBuffer: attributes.stencil,\n\t\t\t\t\t\t\t\tignoreDepth: glProjLayer.ignoreDepthValues,\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// Set foveation to maximum.\n\t\t\t\tthis.setFoveation( 0 );\n\n\t\t\t\treferenceSpace = await session.requestReferenceSpace( referenceSpaceType );\n\n\t\t\t\tanimation.setContext( session );\n\t\t\t\tanimation.start();\n\n\t\t\t\tscope.isPresenting = true;\n\n\t\t\t\tscope.dispatchEvent( { type: 'sessionstart' } );\n\n\t\t\t}\n\n\t\t};\n\n\t\tfunction onInputSourcesChange( event ) {\n\n\t\t\tconst inputSources = session.inputSources;\n\n\t\t\t// Assign inputSources to available controllers\n\n\t\t\tfor ( let i = 0; i < controllers.length; i ++ ) {\n\n\t\t\t\tinputSourcesMap.set( inputSources[ i ], controllers[ i ] );\n\n\t\t\t}\n\n\t\t\t// Notify disconnected\n\n\t\t\tfor ( let i = 0; i < event.removed.length; i ++ ) {\n\n\t\t\t\tconst inputSource = event.removed[ i ];\n\t\t\t\tconst controller = inputSourcesMap.get( inputSource );\n\n\t\t\t\tif ( controller ) {\n\n\t\t\t\t\tcontroller.dispatchEvent( { type: 'disconnected', data: inputSource } );\n\t\t\t\t\tinputSourcesMap.delete( inputSource );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Notify connected\n\n\t\t\tfor ( let i = 0; i < event.added.length; i ++ ) {\n\n\t\t\t\tconst inputSource = event.added[ i ];\n\t\t\t\tconst controller = inputSourcesMap.get( inputSource );\n\n\t\t\t\tif ( controller ) {\n\n\t\t\t\t\tcontroller.dispatchEvent( { type: 'connected', data: inputSource } );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tconst cameraLPos = new Vector3();\n\t\tconst cameraRPos = new Vector3();\n\n\t\t/**\n\t\t * Assumes 2 cameras that are parallel and share an X-axis, and that\n\t\t * the cameras' projection and world matrices have already been set.\n\t\t * And that near and far planes are identical for both cameras.\n\t\t * Visualization of this technique: https://computergraphics.stackexchange.com/a/4765\n\t\t */\n\t\tfunction setProjectionFromUnion( camera, cameraL, cameraR ) {\n\n\t\t\tcameraLPos.setFromMatrixPosition( cameraL.matrixWorld );\n\t\t\tcameraRPos.setFromMatrixPosition( cameraR.matrixWorld );\n\n\t\t\tconst ipd = cameraLPos.distanceTo( cameraRPos );\n\n\t\t\tconst projL = cameraL.projectionMatrix.elements;\n\t\t\tconst projR = cameraR.projectionMatrix.elements;\n\n\t\t\t// VR systems will have identical far and near planes, and\n\t\t\t// most likely identical top and bottom frustum extents.\n\t\t\t// Use the left camera for these values.\n\t\t\tconst near = projL[ 14 ] / ( projL[ 10 ] - 1 );\n\t\t\tconst far = projL[ 14 ] / ( projL[ 10 ] + 1 );\n\t\t\tconst topFov = ( projL[ 9 ] + 1 ) / projL[ 5 ];\n\t\t\tconst bottomFov = ( projL[ 9 ] - 1 ) / projL[ 5 ];\n\n\t\t\tconst leftFov = ( projL[ 8 ] - 1 ) / projL[ 0 ];\n\t\t\tconst rightFov = ( projR[ 8 ] + 1 ) / projR[ 0 ];\n\t\t\tconst left = near * leftFov;\n\t\t\tconst right = near * rightFov;\n\n\t\t\t// Calculate the new camera's position offset from the\n\t\t\t// left camera. xOffset should be roughly half `ipd`.\n\t\t\tconst zOffset = ipd / ( - leftFov + rightFov );\n\t\t\tconst xOffset = zOffset * - leftFov;\n\n\t\t\t// TODO: Better way to apply this offset?\n\t\t\tcameraL.matrixWorld.decompose( camera.position, camera.quaternion, camera.scale );\n\t\t\tcamera.translateX( xOffset );\n\t\t\tcamera.translateZ( zOffset );\n\t\t\tcamera.matrixWorld.compose( camera.position, camera.quaternion, camera.scale );\n\t\t\tcamera.matrixWorldInverse.copy( camera.matrixWorld ).invert();\n\n\t\t\t// Find the union of the frustum values of the cameras and scale\n\t\t\t// the values so that the near plane's position does not change in world space,\n\t\t\t// although must now be relative to the new union camera.\n\t\t\tconst near2 = near + zOffset;\n\t\t\tconst far2 = far + zOffset;\n\t\t\tconst left2 = left - xOffset;\n\t\t\tconst right2 = right + ( ipd - xOffset );\n\t\t\tconst top2 = topFov * far / far2 * near2;\n\t\t\tconst bottom2 = bottomFov * far / far2 * near2;\n\n\t\t\tcamera.projectionMatrix.makePerspective( left2, right2, top2, bottom2, near2, far2 );\n\n\t\t}\n\n\t\tfunction updateCamera( camera, parent ) {\n\n\t\t\tif ( parent === null ) {\n\n\t\t\t\tcamera.matrixWorld.copy( camera.matrix );\n\n\t\t\t} else {\n\n\t\t\t\tcamera.matrixWorld.multiplyMatrices( parent.matrixWorld, camera.matrix );\n\n\t\t\t}\n\n\t\t\tcamera.matrixWorldInverse.copy( camera.matrixWorld ).invert();\n\n\t\t}\n\n\t\tthis.updateCamera = function ( camera ) {\n\n\t\t\tif ( session === null ) return;\n\n\t\t\tcameraVR.near = cameraR.near = cameraL.near = camera.near;\n\t\t\tcameraVR.far = cameraR.far = cameraL.far = camera.far;\n\n\t\t\tif ( _currentDepthNear !== cameraVR.near || _currentDepthFar !== cameraVR.far ) {\n\n\t\t\t\t// Note that the new renderState won't apply until the next frame. See #18320\n\n\t\t\t\tsession.updateRenderState( {\n\t\t\t\t\tdepthNear: cameraVR.near,\n\t\t\t\t\tdepthFar: cameraVR.far\n\t\t\t\t} );\n\n\t\t\t\t_currentDepthNear = cameraVR.near;\n\t\t\t\t_currentDepthFar = cameraVR.far;\n\n\t\t\t}\n\n\t\t\tconst parent = camera.parent;\n\t\t\tconst cameras = cameraVR.cameras;\n\n\t\t\tupdateCamera( cameraVR, parent );\n\n\t\t\tfor ( let i = 0; i < cameras.length; i ++ ) {\n\n\t\t\t\tupdateCamera( cameras[ i ], parent );\n\n\t\t\t}\n\n\t\t\tcameraVR.matrixWorld.decompose( cameraVR.position, cameraVR.quaternion, cameraVR.scale );\n\n\t\t\t// update user camera and its children\n\n\t\t\tcamera.position.copy( cameraVR.position );\n\t\t\tcamera.quaternion.copy( cameraVR.quaternion );\n\t\t\tcamera.scale.copy( cameraVR.scale );\n\t\t\tcamera.matrix.copy( cameraVR.matrix );\n\t\t\tcamera.matrixWorld.copy( cameraVR.matrixWorld );\n\n\t\t\tconst children = camera.children;\n\n\t\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].updateMatrixWorld( true );\n\n\t\t\t}\n\n\t\t\t// update projection matrix for proper view frustum culling\n\n\t\t\tif ( cameras.length === 2 ) {\n\n\t\t\t\tsetProjectionFromUnion( cameraVR, cameraL, cameraR );\n\n\t\t\t} else {\n\n\t\t\t\t// assume single camera setup (AR)\n\n\t\t\t\tcameraVR.projectionMatrix.copy( cameraL.projectionMatrix );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getCamera = function () {\n\n\t\t\treturn cameraVR;\n\n\t\t};\n\n\t\tthis.getFoveation = function () {\n\n\t\t\tif ( glProjLayer !== null ) {\n\n\t\t\t\treturn glProjLayer.fixedFoveation;\n\n\t\t\t}\n\n\t\t\tif ( glBaseLayer !== null ) {\n\n\t\t\t\treturn glBaseLayer.fixedFoveation;\n\n\t\t\t}\n\n\t\t\treturn undefined;\n\n\t\t};\n\n\t\tthis.setFoveation = function ( foveation ) {\n\n\t\t\t// 0 = no foveation = full resolution\n\t\t\t// 1 = maximum foveation = the edges render at lower resolution\n\n\t\t\tif ( glProjLayer !== null ) {\n\n\t\t\t\tglProjLayer.fixedFoveation = foveation;\n\n\t\t\t}\n\n\t\t\tif ( glBaseLayer !== null && glBaseLayer.fixedFoveation !== undefined ) {\n\n\t\t\t\tglBaseLayer.fixedFoveation = foveation;\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Animation Loop\n\n\t\tlet onAnimationFrameCallback = null;\n\n\t\tfunction onAnimationFrame( time, frame ) {\n\n\t\t\tpose = frame.getViewerPose( referenceSpace );\n\t\t\txrFrame = frame;\n\n\t\t\tif ( pose !== null ) {\n\n\t\t\t\tconst views = pose.views;\n\n\t\t\t\tif ( glBaseLayer !== null ) {\n\n\t\t\t\t\trenderer.setRenderTargetFramebuffer( newRenderTarget, glBaseLayer.framebuffer );\n\t\t\t\t\trenderer.setRenderTarget( newRenderTarget );\n\n\t\t\t\t}\n\n\t\t\t\tlet cameraVRNeedsUpdate = false;\n\n\t\t\t\t// check if it's necessary to rebuild cameraVR's camera list\n\n\t\t\t\tif ( views.length !== cameraVR.cameras.length ) {\n\n\t\t\t\t\tcameraVR.cameras.length = 0;\n\t\t\t\t\tcameraVRNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0; i < views.length; i ++ ) {\n\n\t\t\t\t\tconst view = views[ i ];\n\n\t\t\t\t\tlet viewport = null;\n\n\t\t\t\t\tif ( glBaseLayer !== null ) {\n\n\t\t\t\t\t\tviewport = glBaseLayer.getViewport( view );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst glSubImage = glBinding.getViewSubImage( glProjLayer, view );\n\t\t\t\t\t\tviewport = glSubImage.viewport;\n\n\t\t\t\t\t\t// For side-by-side projection, we only produce a single texture for both eyes.\n\t\t\t\t\t\tif ( i === 0 ) {\n\n\t\t\t\t\t\t\trenderer.setRenderTargetTextures(\n\t\t\t\t\t\t\t\tnewRenderTarget,\n\t\t\t\t\t\t\t\tglSubImage.colorTexture,\n\t\t\t\t\t\t\t\tglProjLayer.ignoreDepthValues ? undefined : glSubImage.depthStencilTexture );\n\n\t\t\t\t\t\t\trenderer.setRenderTarget( newRenderTarget );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst camera = cameras[ i ];\n\n\t\t\t\t\tcamera.matrix.fromArray( view.transform.matrix );\n\t\t\t\t\tcamera.projectionMatrix.fromArray( view.projectionMatrix );\n\t\t\t\t\tcamera.viewport.set( viewport.x, viewport.y, viewport.width, viewport.height );\n\n\t\t\t\t\tif ( i === 0 ) {\n\n\t\t\t\t\t\tcameraVR.matrix.copy( camera.matrix );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( cameraVRNeedsUpdate === true ) {\n\n\t\t\t\t\t\tcameraVR.cameras.push( camera );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tconst inputSources = session.inputSources;\n\n\t\t\tfor ( let i = 0; i < controllers.length; i ++ ) {\n\n\t\t\t\tconst controller = controllers[ i ];\n\t\t\t\tconst inputSource = inputSources[ i ];\n\n\t\t\t\tcontroller.update( inputSource, frame, referenceSpace );\n\n\t\t\t}\n\n\t\t\tif ( onAnimationFrameCallback ) onAnimationFrameCallback( time, frame );\n\n\t\t\txrFrame = null;\n\n\t\t}\n\n\t\tconst animation = new WebGLAnimation();\n\n\t\tanimation.setAnimationLoop( onAnimationFrame );\n\n\t\tthis.setAnimationLoop = function ( callback ) {\n\n\t\t\tonAnimationFrameCallback = callback;\n\n\t\t};\n\n\t\tthis.dispose = function () {};\n\n\t}\n\n}\n\nfunction WebGLMaterials( properties ) {\n\n\tfunction refreshFogUniforms( uniforms, fog ) {\n\n\t\tuniforms.fogColor.value.copy( fog.color );\n\n\t\tif ( fog.isFog ) {\n\n\t\t\tuniforms.fogNear.value = fog.near;\n\t\t\tuniforms.fogFar.value = fog.far;\n\n\t\t} else if ( fog.isFogExp2 ) {\n\n\t\t\tuniforms.fogDensity.value = fog.density;\n\n\t\t}\n\n\t}\n\n\tfunction refreshMaterialUniforms( uniforms, material, pixelRatio, height, transmissionRenderTarget ) {\n\n\t\tif ( material.isMeshBasicMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t} else if ( material.isMeshLambertMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsLambert( uniforms, material );\n\n\t\t} else if ( material.isMeshToonMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsToon( uniforms, material );\n\n\t\t} else if ( material.isMeshPhongMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsPhong( uniforms, material );\n\n\t\t} else if ( material.isMeshStandardMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t\tif ( material.isMeshPhysicalMaterial ) {\n\n\t\t\t\trefreshUniformsPhysical( uniforms, material, transmissionRenderTarget );\n\n\t\t\t} else {\n\n\t\t\t\trefreshUniformsStandard( uniforms, material );\n\n\t\t\t}\n\n\t\t} else if ( material.isMeshMatcapMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsMatcap( uniforms, material );\n\n\t\t} else if ( material.isMeshDepthMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsDepth( uniforms, material );\n\n\t\t} else if ( material.isMeshDistanceMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsDistance( uniforms, material );\n\n\t\t} else if ( material.isMeshNormalMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsNormal( uniforms, material );\n\n\t\t} else if ( material.isLineBasicMaterial ) {\n\n\t\t\trefreshUniformsLine( uniforms, material );\n\n\t\t\tif ( material.isLineDashedMaterial ) {\n\n\t\t\t\trefreshUniformsDash( uniforms, material );\n\n\t\t\t}\n\n\t\t} else if ( material.isPointsMaterial ) {\n\n\t\t\trefreshUniformsPoints( uniforms, material, pixelRatio, height );\n\n\t\t} else if ( material.isSpriteMaterial ) {\n\n\t\t\trefreshUniformsSprites( uniforms, material );\n\n\t\t} else if ( material.isShadowMaterial ) {\n\n\t\t\tuniforms.color.value.copy( material.color );\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t} else if ( material.isShaderMaterial ) {\n\n\t\t\tmaterial.uniformsNeedUpdate = false; // #15581\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsCommon( uniforms, material ) {\n\n\t\tuniforms.opacity.value = material.opacity;\n\n\t\tif ( material.color ) {\n\n\t\t\tuniforms.diffuse.value.copy( material.color );\n\n\t\t}\n\n\t\tif ( material.emissive ) {\n\n\t\t\tuniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity );\n\n\t\t}\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t}\n\n\t\tif ( material.specularMap ) {\n\n\t\t\tuniforms.specularMap.value = material.specularMap;\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t\tconst envMap = properties.get( material ).envMap;\n\n\t\tif ( envMap ) {\n\n\t\t\tuniforms.envMap.value = envMap;\n\n\t\t\tuniforms.flipEnvMap.value = ( envMap.isCubeTexture && envMap.isRenderTargetTexture === false ) ? - 1 : 1;\n\n\t\t\tuniforms.reflectivity.value = material.reflectivity;\n\t\t\tuniforms.ior.value = material.ior;\n\t\t\tuniforms.refractionRatio.value = material.refractionRatio;\n\n\t\t}\n\n\t\tif ( material.lightMap ) {\n\n\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t}\n\n\t\tif ( material.aoMap ) {\n\n\t\t\tuniforms.aoMap.value = material.aoMap;\n\t\t\tuniforms.aoMapIntensity.value = material.aoMapIntensity;\n\n\t\t}\n\n\t\t// uv repeat and offset setting priorities\n\t\t// 1. color map\n\t\t// 2. specular map\n\t\t// 3. displacementMap map\n\t\t// 4. normal map\n\t\t// 5. bump map\n\t\t// 6. roughnessMap map\n\t\t// 7. metalnessMap map\n\t\t// 8. alphaMap map\n\t\t// 9. emissiveMap map\n\t\t// 10. clearcoat map\n\t\t// 11. clearcoat normal map\n\t\t// 12. clearcoat roughnessMap map\n\t\t// 13. specular intensity map\n\t\t// 14. specular tint map\n\t\t// 15. transmission map\n\t\t// 16. thickness map\n\n\t\tlet uvScaleMap;\n\n\t\tif ( material.map ) {\n\n\t\t\tuvScaleMap = material.map;\n\n\t\t} else if ( material.specularMap ) {\n\n\t\t\tuvScaleMap = material.specularMap;\n\n\t\t} else if ( material.displacementMap ) {\n\n\t\t\tuvScaleMap = material.displacementMap;\n\n\t\t} else if ( material.normalMap ) {\n\n\t\t\tuvScaleMap = material.normalMap;\n\n\t\t} else if ( material.bumpMap ) {\n\n\t\t\tuvScaleMap = material.bumpMap;\n\n\t\t} else if ( material.roughnessMap ) {\n\n\t\t\tuvScaleMap = material.roughnessMap;\n\n\t\t} else if ( material.metalnessMap ) {\n\n\t\t\tuvScaleMap = material.metalnessMap;\n\n\t\t} else if ( material.alphaMap ) {\n\n\t\t\tuvScaleMap = material.alphaMap;\n\n\t\t} else if ( material.emissiveMap ) {\n\n\t\t\tuvScaleMap = material.emissiveMap;\n\n\t\t} else if ( material.clearcoatMap ) {\n\n\t\t\tuvScaleMap = material.clearcoatMap;\n\n\t\t} else if ( material.clearcoatNormalMap ) {\n\n\t\t\tuvScaleMap = material.clearcoatNormalMap;\n\n\t\t} else if ( material.clearcoatRoughnessMap ) {\n\n\t\t\tuvScaleMap = material.clearcoatRoughnessMap;\n\n\t\t} else if ( material.specularIntensityMap ) {\n\n\t\t\tuvScaleMap = material.specularIntensityMap;\n\n\t\t} else if ( material.specularColorMap ) {\n\n\t\t\tuvScaleMap = material.specularColorMap;\n\n\t\t} else if ( material.transmissionMap ) {\n\n\t\t\tuvScaleMap = material.transmissionMap;\n\n\t\t} else if ( material.thicknessMap ) {\n\n\t\t\tuvScaleMap = material.thicknessMap;\n\n\t\t} else if ( material.sheenColorMap ) {\n\n\t\t\tuvScaleMap = material.sheenColorMap;\n\n\t\t} else if ( material.sheenRoughnessMap ) {\n\n\t\t\tuvScaleMap = material.sheenRoughnessMap;\n\n\t\t}\n\n\t\tif ( uvScaleMap !== undefined ) {\n\n\t\t\t// backwards compatibility\n\t\t\tif ( uvScaleMap.isWebGLRenderTarget ) {\n\n\t\t\t\tuvScaleMap = uvScaleMap.texture;\n\n\t\t\t}\n\n\t\t\tif ( uvScaleMap.matrixAutoUpdate === true ) {\n\n\t\t\t\tuvScaleMap.updateMatrix();\n\n\t\t\t}\n\n\t\t\tuniforms.uvTransform.value.copy( uvScaleMap.matrix );\n\n\t\t}\n\n\t\t// uv repeat and offset setting priorities for uv2\n\t\t// 1. ao map\n\t\t// 2. light map\n\n\t\tlet uv2ScaleMap;\n\n\t\tif ( material.aoMap ) {\n\n\t\t\tuv2ScaleMap = material.aoMap;\n\n\t\t} else if ( material.lightMap ) {\n\n\t\t\tuv2ScaleMap = material.lightMap;\n\n\t\t}\n\n\t\tif ( uv2ScaleMap !== undefined ) {\n\n\t\t\t// backwards compatibility\n\t\t\tif ( uv2ScaleMap.isWebGLRenderTarget ) {\n\n\t\t\t\tuv2ScaleMap = uv2ScaleMap.texture;\n\n\t\t\t}\n\n\t\t\tif ( uv2ScaleMap.matrixAutoUpdate === true ) {\n\n\t\t\t\tuv2ScaleMap.updateMatrix();\n\n\t\t\t}\n\n\t\t\tuniforms.uv2Transform.value.copy( uv2ScaleMap.matrix );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsLine( uniforms, material ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\n\t}\n\n\tfunction refreshUniformsDash( uniforms, material ) {\n\n\t\tuniforms.dashSize.value = material.dashSize;\n\t\tuniforms.totalSize.value = material.dashSize + material.gapSize;\n\t\tuniforms.scale.value = material.scale;\n\n\t}\n\n\tfunction refreshUniformsPoints( uniforms, material, pixelRatio, height ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\t\tuniforms.size.value = material.size * pixelRatio;\n\t\tuniforms.scale.value = height * 0.5;\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t\t// uv repeat and offset setting priorities\n\t\t// 1. color map\n\t\t// 2. alpha map\n\n\t\tlet uvScaleMap;\n\n\t\tif ( material.map ) {\n\n\t\t\tuvScaleMap = material.map;\n\n\t\t} else if ( material.alphaMap ) {\n\n\t\t\tuvScaleMap = material.alphaMap;\n\n\t\t}\n\n\t\tif ( uvScaleMap !== undefined ) {\n\n\t\t\tif ( uvScaleMap.matrixAutoUpdate === true ) {\n\n\t\t\t\tuvScaleMap.updateMatrix();\n\n\t\t\t}\n\n\t\t\tuniforms.uvTransform.value.copy( uvScaleMap.matrix );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsSprites( uniforms, material ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\t\tuniforms.rotation.value = material.rotation;\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t\t// uv repeat and offset setting priorities\n\t\t// 1. color map\n\t\t// 2. alpha map\n\n\t\tlet uvScaleMap;\n\n\t\tif ( material.map ) {\n\n\t\t\tuvScaleMap = material.map;\n\n\t\t} else if ( material.alphaMap ) {\n\n\t\t\tuvScaleMap = material.alphaMap;\n\n\t\t}\n\n\t\tif ( uvScaleMap !== undefined ) {\n\n\t\t\tif ( uvScaleMap.matrixAutoUpdate === true ) {\n\n\t\t\t\tuvScaleMap.updateMatrix();\n\n\t\t\t}\n\n\t\t\tuniforms.uvTransform.value.copy( uvScaleMap.matrix );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsLambert( uniforms, material ) {\n\n\t\tif ( material.emissiveMap ) {\n\n\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsPhong( uniforms, material ) {\n\n\t\tuniforms.specular.value.copy( material.specular );\n\t\tuniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 )\n\n\t\tif ( material.emissiveMap ) {\n\n\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t}\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\t\t\tif ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\t\t\tif ( material.side === BackSide ) uniforms.normalScale.value.negate();\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsToon( uniforms, material ) {\n\n\t\tif ( material.gradientMap ) {\n\n\t\t\tuniforms.gradientMap.value = material.gradientMap;\n\n\t\t}\n\n\t\tif ( material.emissiveMap ) {\n\n\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t}\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\t\t\tif ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\t\t\tif ( material.side === BackSide ) uniforms.normalScale.value.negate();\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsStandard( uniforms, material ) {\n\n\t\tuniforms.roughness.value = material.roughness;\n\t\tuniforms.metalness.value = material.metalness;\n\n\t\tif ( material.roughnessMap ) {\n\n\t\t\tuniforms.roughnessMap.value = material.roughnessMap;\n\n\t\t}\n\n\t\tif ( material.metalnessMap ) {\n\n\t\t\tuniforms.metalnessMap.value = material.metalnessMap;\n\n\t\t}\n\n\t\tif ( material.emissiveMap ) {\n\n\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t}\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\t\t\tif ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\t\t\tif ( material.side === BackSide ) uniforms.normalScale.value.negate();\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t\tconst envMap = properties.get( material ).envMap;\n\n\t\tif ( envMap ) {\n\n\t\t\t//uniforms.envMap.value = material.envMap; // part of uniforms common\n\t\t\tuniforms.envMapIntensity.value = material.envMapIntensity;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsPhysical( uniforms, material, transmissionRenderTarget ) {\n\n\t\trefreshUniformsStandard( uniforms, material );\n\n\t\tuniforms.ior.value = material.ior; // also part of uniforms common\n\n\t\tif ( material.sheen > 0 ) {\n\n\t\t\tuniforms.sheenColor.value.copy( material.sheenColor ).multiplyScalar( material.sheen );\n\n\t\t\tuniforms.sheenRoughness.value = material.sheenRoughness;\n\n\t\t\tif ( material.sheenColorMap ) {\n\n\t\t\t\tuniforms.sheenColorMap.value = material.sheenColorMap;\n\n\t\t\t}\n\n\t\t\tif ( material.sheenRoughnessMap ) {\n\n\t\t\t\tuniforms.sheenRoughnessMap.value = material.sheenRoughnessMap;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.clearcoat > 0 ) {\n\n\t\t\tuniforms.clearcoat.value = material.clearcoat;\n\t\t\tuniforms.clearcoatRoughness.value = material.clearcoatRoughness;\n\n\t\t\tif ( material.clearcoatMap ) {\n\n\t\t\t\tuniforms.clearcoatMap.value = material.clearcoatMap;\n\n\t\t\t}\n\n\t\t\tif ( material.clearcoatRoughnessMap ) {\n\n\t\t\t\tuniforms.clearcoatRoughnessMap.value = material.clearcoatRoughnessMap;\n\n\t\t\t}\n\n\t\t\tif ( material.clearcoatNormalMap ) {\n\n\t\t\t\tuniforms.clearcoatNormalScale.value.copy( material.clearcoatNormalScale );\n\t\t\t\tuniforms.clearcoatNormalMap.value = material.clearcoatNormalMap;\n\n\t\t\t\tif ( material.side === BackSide ) {\n\n\t\t\t\t\tuniforms.clearcoatNormalScale.value.negate();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.transmission > 0 ) {\n\n\t\t\tuniforms.transmission.value = material.transmission;\n\t\t\tuniforms.transmissionSamplerMap.value = transmissionRenderTarget.texture;\n\t\t\tuniforms.transmissionSamplerSize.value.set( transmissionRenderTarget.width, transmissionRenderTarget.height );\n\n\t\t\tif ( material.transmissionMap ) {\n\n\t\t\t\tuniforms.transmissionMap.value = material.transmissionMap;\n\n\t\t\t}\n\n\t\t\tuniforms.thickness.value = material.thickness;\n\n\t\t\tif ( material.thicknessMap ) {\n\n\t\t\t\tuniforms.thicknessMap.value = material.thicknessMap;\n\n\t\t\t}\n\n\t\t\tuniforms.attenuationDistance.value = material.attenuationDistance;\n\t\t\tuniforms.attenuationColor.value.copy( material.attenuationColor );\n\n\t\t}\n\n\t\tuniforms.specularIntensity.value = material.specularIntensity;\n\t\tuniforms.specularColor.value.copy( material.specularColor );\n\n\t\tif ( material.specularIntensityMap ) {\n\n\t\t\tuniforms.specularIntensityMap.value = material.specularIntensityMap;\n\n\t\t}\n\n\t\tif ( material.specularColorMap ) {\n\n\t\t\tuniforms.specularColorMap.value = material.specularColorMap;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsMatcap( uniforms, material ) {\n\n\t\tif ( material.matcap ) {\n\n\t\t\tuniforms.matcap.value = material.matcap;\n\n\t\t}\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\t\t\tif ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\t\t\tif ( material.side === BackSide ) uniforms.normalScale.value.negate();\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsDepth( uniforms, material ) {\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsDistance( uniforms, material ) {\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t\tuniforms.referencePosition.value.copy( material.referencePosition );\n\t\tuniforms.nearDistance.value = material.nearDistance;\n\t\tuniforms.farDistance.value = material.farDistance;\n\n\t}\n\n\tfunction refreshUniformsNormal( uniforms, material ) {\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\t\t\tif ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\t\t\tif ( material.side === BackSide ) uniforms.normalScale.value.negate();\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\trefreshFogUniforms: refreshFogUniforms,\n\t\trefreshMaterialUniforms: refreshMaterialUniforms\n\t};\n\n}\n\nfunction createCanvasElement() {\n\n\tconst canvas = createElementNS( 'canvas' );\n\tcanvas.style.display = 'block';\n\treturn canvas;\n\n}\n\nfunction WebGLRenderer( parameters = {} ) {\n\n\tconst _canvas = parameters.canvas !== undefined ? parameters.canvas : createCanvasElement(),\n\t\t_context = parameters.context !== undefined ? parameters.context : null,\n\n\t\t_alpha = parameters.alpha !== undefined ? parameters.alpha : false,\n\t\t_depth = parameters.depth !== undefined ? parameters.depth : true,\n\t\t_stencil = parameters.stencil !== undefined ? parameters.stencil : true,\n\t\t_antialias = parameters.antialias !== undefined ? parameters.antialias : false,\n\t\t_premultipliedAlpha = parameters.premultipliedAlpha !== undefined ? parameters.premultipliedAlpha : true,\n\t\t_preserveDrawingBuffer = parameters.preserveDrawingBuffer !== undefined ? parameters.preserveDrawingBuffer : false,\n\t\t_powerPreference = parameters.powerPreference !== undefined ? parameters.powerPreference : 'default',\n\t\t_failIfMajorPerformanceCaveat = parameters.failIfMajorPerformanceCaveat !== undefined ? parameters.failIfMajorPerformanceCaveat : false;\n\n\tlet currentRenderList = null;\n\tlet currentRenderState = null;\n\n\t// render() can be called from within a callback triggered by another render.\n\t// We track this so that the nested render call gets its list and state isolated from the parent render call.\n\n\tconst renderListStack = [];\n\tconst renderStateStack = [];\n\n\t// public properties\n\n\tthis.domElement = _canvas;\n\n\t// Debug configuration container\n\tthis.debug = {\n\n\t\t/**\n\t\t * Enables error checking and reporting when shader programs are being compiled\n\t\t * @type {boolean}\n\t\t */\n\t\tcheckShaderErrors: true\n\t};\n\n\t// clearing\n\n\tthis.autoClear = true;\n\tthis.autoClearColor = true;\n\tthis.autoClearDepth = true;\n\tthis.autoClearStencil = true;\n\n\t// scene graph\n\n\tthis.sortObjects = true;\n\n\t// user-defined clipping\n\n\tthis.clippingPlanes = [];\n\tthis.localClippingEnabled = false;\n\n\t// physically based shading\n\n\tthis.gammaFactor = 2.0;\t// for backwards compatibility\n\tthis.outputEncoding = LinearEncoding;\n\n\t// physical lights\n\n\tthis.physicallyCorrectLights = false;\n\n\t// tone mapping\n\n\tthis.toneMapping = NoToneMapping;\n\tthis.toneMappingExposure = 1.0;\n\n\t// internal properties\n\n\tconst _this = this;\n\n\tlet _isContextLost = false;\n\n\t// internal state cache\n\n\tlet _currentActiveCubeFace = 0;\n\tlet _currentActiveMipmapLevel = 0;\n\tlet _currentRenderTarget = null;\n\tlet _currentMaterialId = - 1;\n\n\tlet _currentCamera = null;\n\n\tconst _currentViewport = new Vector4();\n\tconst _currentScissor = new Vector4();\n\tlet _currentScissorTest = null;\n\n\t//\n\n\tlet _width = _canvas.width;\n\tlet _height = _canvas.height;\n\n\tlet _pixelRatio = 1;\n\tlet _opaqueSort = null;\n\tlet _transparentSort = null;\n\n\tconst _viewport = new Vector4( 0, 0, _width, _height );\n\tconst _scissor = new Vector4( 0, 0, _width, _height );\n\tlet _scissorTest = false;\n\n\t//\n\n\tconst _currentDrawBuffers = [];\n\n\t// frustum\n\n\tconst _frustum = new Frustum();\n\n\t// clipping\n\n\tlet _clippingEnabled = false;\n\tlet _localClippingEnabled = false;\n\n\t// transmission\n\n\tlet _transmissionRenderTarget = null;\n\n\t// camera matrices cache\n\n\tconst _projScreenMatrix = new Matrix4();\n\n\tconst _vector3 = new Vector3();\n\n\tconst _emptyScene = { background: null, fog: null, environment: null, overrideMaterial: null, isScene: true };\n\n\tfunction getTargetPixelRatio() {\n\n\t\treturn _currentRenderTarget === null ? _pixelRatio : 1;\n\n\t}\n\n\t// initialize\n\n\tlet _gl = _context;\n\n\tfunction getContext( contextNames, contextAttributes ) {\n\n\t\tfor ( let i = 0; i < contextNames.length; i ++ ) {\n\n\t\t\tconst contextName = contextNames[ i ];\n\t\t\tconst context = _canvas.getContext( contextName, contextAttributes );\n\t\t\tif ( context !== null ) return context;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\ttry {\n\n\t\tconst contextAttributes = {\n\t\t\talpha: _alpha,\n\t\t\tdepth: _depth,\n\t\t\tstencil: _stencil,\n\t\t\tantialias: _antialias,\n\t\t\tpremultipliedAlpha: _premultipliedAlpha,\n\t\t\tpreserveDrawingBuffer: _preserveDrawingBuffer,\n\t\t\tpowerPreference: _powerPreference,\n\t\t\tfailIfMajorPerformanceCaveat: _failIfMajorPerformanceCaveat\n\t\t};\n\n\t\t// OffscreenCanvas does not have setAttribute, see #22811\n\t\tif ( 'setAttribute' in _canvas ) _canvas.setAttribute( 'data-engine', `three.js r${REVISION}` );\n\n\t\t// event listeners must be registered before WebGL context is created, see #12753\n\t\t_canvas.addEventListener( 'webglcontextlost', onContextLost, false );\n\t\t_canvas.addEventListener( 'webglcontextrestored', onContextRestore, false );\n\n\t\tif ( _gl === null ) {\n\n\t\t\tconst contextNames = [ 'webgl2', 'webgl', 'experimental-webgl' ];\n\n\t\t\tif ( _this.isWebGL1Renderer === true ) {\n\n\t\t\t\tcontextNames.shift();\n\n\t\t\t}\n\n\t\t\t_gl = getContext( contextNames, contextAttributes );\n\n\t\t\tif ( _gl === null ) {\n\n\t\t\t\tif ( getContext( contextNames ) ) {\n\n\t\t\t\t\tthrow new Error( 'Error creating WebGL context with your selected attributes.' );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new Error( 'Error creating WebGL context.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Some experimental-webgl implementations do not have getShaderPrecisionFormat\n\n\t\tif ( _gl.getShaderPrecisionFormat === undefined ) {\n\n\t\t\t_gl.getShaderPrecisionFormat = function () {\n\n\t\t\t\treturn { 'rangeMin': 1, 'rangeMax': 1, 'precision': 1 };\n\n\t\t\t};\n\n\t\t}\n\n\t} catch ( error ) {\n\n\t\tconsole.error( 'THREE.WebGLRenderer: ' + error.message );\n\t\tthrow error;\n\n\t}\n\n\tlet extensions, capabilities, state, info;\n\tlet properties, textures, cubemaps, cubeuvmaps, attributes, geometries, objects;\n\tlet programCache, materials, renderLists, renderStates, clipping, shadowMap;\n\n\tlet background, morphtargets, bufferRenderer, indexedBufferRenderer;\n\n\tlet utils, bindingStates;\n\n\tfunction initGLContext() {\n\n\t\textensions = new WebGLExtensions( _gl );\n\n\t\tcapabilities = new WebGLCapabilities( _gl, extensions, parameters );\n\n\t\textensions.init( capabilities );\n\n\t\tutils = new WebGLUtils( _gl, extensions, capabilities );\n\n\t\tstate = new WebGLState( _gl, extensions, capabilities );\n\n\t\t_currentDrawBuffers[ 0 ] = 1029;\n\n\t\tinfo = new WebGLInfo( _gl );\n\t\tproperties = new WebGLProperties();\n\t\ttextures = new WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info );\n\t\tcubemaps = new WebGLCubeMaps( _this );\n\t\tcubeuvmaps = new WebGLCubeUVMaps( _this );\n\t\tattributes = new WebGLAttributes( _gl, capabilities );\n\t\tbindingStates = new WebGLBindingStates( _gl, extensions, attributes, capabilities );\n\t\tgeometries = new WebGLGeometries( _gl, attributes, info, bindingStates );\n\t\tobjects = new WebGLObjects( _gl, geometries, attributes, info );\n\t\tmorphtargets = new WebGLMorphtargets( _gl, capabilities, textures );\n\t\tclipping = new WebGLClipping( properties );\n\t\tprogramCache = new WebGLPrograms( _this, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping );\n\t\tmaterials = new WebGLMaterials( properties );\n\t\trenderLists = new WebGLRenderLists( properties );\n\t\trenderStates = new WebGLRenderStates( extensions, capabilities );\n\t\tbackground = new WebGLBackground( _this, cubemaps, state, objects, _premultipliedAlpha );\n\t\tshadowMap = new WebGLShadowMap( _this, objects, capabilities );\n\n\t\tbufferRenderer = new WebGLBufferRenderer( _gl, extensions, info, capabilities );\n\t\tindexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, info, capabilities );\n\n\t\tinfo.programs = programCache.programs;\n\n\t\t_this.capabilities = capabilities;\n\t\t_this.extensions = extensions;\n\t\t_this.properties = properties;\n\t\t_this.renderLists = renderLists;\n\t\t_this.shadowMap = shadowMap;\n\t\t_this.state = state;\n\t\t_this.info = info;\n\n\t}\n\n\tinitGLContext();\n\n\t// xr\n\n\tconst xr = new WebXRManager( _this, _gl );\n\n\tthis.xr = xr;\n\n\t// API\n\n\tthis.getContext = function () {\n\n\t\treturn _gl;\n\n\t};\n\n\tthis.getContextAttributes = function () {\n\n\t\treturn _gl.getContextAttributes();\n\n\t};\n\n\tthis.forceContextLoss = function () {\n\n\t\tconst extension = extensions.get( 'WEBGL_lose_context' );\n\t\tif ( extension ) extension.loseContext();\n\n\t};\n\n\tthis.forceContextRestore = function () {\n\n\t\tconst extension = extensions.get( 'WEBGL_lose_context' );\n\t\tif ( extension ) extension.restoreContext();\n\n\t};\n\n\tthis.getPixelRatio = function () {\n\n\t\treturn _pixelRatio;\n\n\t};\n\n\tthis.setPixelRatio = function ( value ) {\n\n\t\tif ( value === undefined ) return;\n\n\t\t_pixelRatio = value;\n\n\t\tthis.setSize( _width, _height, false );\n\n\t};\n\n\tthis.getSize = function ( target ) {\n\n\t\treturn target.set( _width, _height );\n\n\t};\n\n\tthis.setSize = function ( width, height, updateStyle ) {\n\n\t\tif ( xr.isPresenting ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Can\\'t change size while VR device is presenting.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\t_width = width;\n\t\t_height = height;\n\n\t\t_canvas.width = Math.floor( width * _pixelRatio );\n\t\t_canvas.height = Math.floor( height * _pixelRatio );\n\n\t\tif ( updateStyle !== false ) {\n\n\t\t\t_canvas.style.width = width + 'px';\n\t\t\t_canvas.style.height = height + 'px';\n\n\t\t}\n\n\t\tthis.setViewport( 0, 0, width, height );\n\n\t};\n\n\tthis.getDrawingBufferSize = function ( target ) {\n\n\t\treturn target.set( _width * _pixelRatio, _height * _pixelRatio ).floor();\n\n\t};\n\n\tthis.setDrawingBufferSize = function ( width, height, pixelRatio ) {\n\n\t\t_width = width;\n\t\t_height = height;\n\n\t\t_pixelRatio = pixelRatio;\n\n\t\t_canvas.width = Math.floor( width * pixelRatio );\n\t\t_canvas.height = Math.floor( height * pixelRatio );\n\n\t\tthis.setViewport( 0, 0, width, height );\n\n\t};\n\n\tthis.getCurrentViewport = function ( target ) {\n\n\t\treturn target.copy( _currentViewport );\n\n\t};\n\n\tthis.getViewport = function ( target ) {\n\n\t\treturn target.copy( _viewport );\n\n\t};\n\n\tthis.setViewport = function ( x, y, width, height ) {\n\n\t\tif ( x.isVector4 ) {\n\n\t\t\t_viewport.set( x.x, x.y, x.z, x.w );\n\n\t\t} else {\n\n\t\t\t_viewport.set( x, y, width, height );\n\n\t\t}\n\n\t\tstate.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).floor() );\n\n\t};\n\n\tthis.getScissor = function ( target ) {\n\n\t\treturn target.copy( _scissor );\n\n\t};\n\n\tthis.setScissor = function ( x, y, width, height ) {\n\n\t\tif ( x.isVector4 ) {\n\n\t\t\t_scissor.set( x.x, x.y, x.z, x.w );\n\n\t\t} else {\n\n\t\t\t_scissor.set( x, y, width, height );\n\n\t\t}\n\n\t\tstate.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).floor() );\n\n\t};\n\n\tthis.getScissorTest = function () {\n\n\t\treturn _scissorTest;\n\n\t};\n\n\tthis.setScissorTest = function ( boolean ) {\n\n\t\tstate.setScissorTest( _scissorTest = boolean );\n\n\t};\n\n\tthis.setOpaqueSort = function ( method ) {\n\n\t\t_opaqueSort = method;\n\n\t};\n\n\tthis.setTransparentSort = function ( method ) {\n\n\t\t_transparentSort = method;\n\n\t};\n\n\t// Clearing\n\n\tthis.getClearColor = function ( target ) {\n\n\t\treturn target.copy( background.getClearColor() );\n\n\t};\n\n\tthis.setClearColor = function () {\n\n\t\tbackground.setClearColor.apply( background, arguments );\n\n\t};\n\n\tthis.getClearAlpha = function () {\n\n\t\treturn background.getClearAlpha();\n\n\t};\n\n\tthis.setClearAlpha = function () {\n\n\t\tbackground.setClearAlpha.apply( background, arguments );\n\n\t};\n\n\tthis.clear = function ( color, depth, stencil ) {\n\n\t\tlet bits = 0;\n\n\t\tif ( color === undefined || color ) bits |= 16384;\n\t\tif ( depth === undefined || depth ) bits |= 256;\n\t\tif ( stencil === undefined || stencil ) bits |= 1024;\n\n\t\t_gl.clear( bits );\n\n\t};\n\n\tthis.clearColor = function () {\n\n\t\tthis.clear( true, false, false );\n\n\t};\n\n\tthis.clearDepth = function () {\n\n\t\tthis.clear( false, true, false );\n\n\t};\n\n\tthis.clearStencil = function () {\n\n\t\tthis.clear( false, false, true );\n\n\t};\n\n\t//\n\n\tthis.dispose = function () {\n\n\t\t_canvas.removeEventListener( 'webglcontextlost', onContextLost, false );\n\t\t_canvas.removeEventListener( 'webglcontextrestored', onContextRestore, false );\n\n\t\trenderLists.dispose();\n\t\trenderStates.dispose();\n\t\tproperties.dispose();\n\t\tcubemaps.dispose();\n\t\tcubeuvmaps.dispose();\n\t\tobjects.dispose();\n\t\tbindingStates.dispose();\n\n\t\txr.dispose();\n\n\t\txr.removeEventListener( 'sessionstart', onXRSessionStart );\n\t\txr.removeEventListener( 'sessionend', onXRSessionEnd );\n\n\t\tif ( _transmissionRenderTarget ) {\n\n\t\t\t_transmissionRenderTarget.dispose();\n\t\t\t_transmissionRenderTarget = null;\n\n\t\t}\n\n\t\tanimation.stop();\n\n\t};\n\n\t// Events\n\n\tfunction onContextLost( event ) {\n\n\t\tevent.preventDefault();\n\n\t\tconsole.log( 'THREE.WebGLRenderer: Context Lost.' );\n\n\t\t_isContextLost = true;\n\n\t}\n\n\tfunction onContextRestore( /* event */ ) {\n\n\t\tconsole.log( 'THREE.WebGLRenderer: Context Restored.' );\n\n\t\t_isContextLost = false;\n\n\t\tconst infoAutoReset = info.autoReset;\n\t\tconst shadowMapEnabled = shadowMap.enabled;\n\t\tconst shadowMapAutoUpdate = shadowMap.autoUpdate;\n\t\tconst shadowMapNeedsUpdate = shadowMap.needsUpdate;\n\t\tconst shadowMapType = shadowMap.type;\n\n\t\tinitGLContext();\n\n\t\tinfo.autoReset = infoAutoReset;\n\t\tshadowMap.enabled = shadowMapEnabled;\n\t\tshadowMap.autoUpdate = shadowMapAutoUpdate;\n\t\tshadowMap.needsUpdate = shadowMapNeedsUpdate;\n\t\tshadowMap.type = shadowMapType;\n\n\t}\n\n\tfunction onMaterialDispose( event ) {\n\n\t\tconst material = event.target;\n\n\t\tmaterial.removeEventListener( 'dispose', onMaterialDispose );\n\n\t\tdeallocateMaterial( material );\n\n\t}\n\n\t// Buffer deallocation\n\n\tfunction deallocateMaterial( material ) {\n\n\t\treleaseMaterialProgramReferences( material );\n\n\t\tproperties.remove( material );\n\n\t}\n\n\n\tfunction releaseMaterialProgramReferences( material ) {\n\n\t\tconst programs = properties.get( material ).programs;\n\n\t\tif ( programs !== undefined ) {\n\n\t\t\tprograms.forEach( function ( program ) {\n\n\t\t\t\tprogramCache.releaseProgram( program );\n\n\t\t\t} );\n\n\t\t}\n\n\t}\n\n\t// Buffer rendering\n\n\tthis.renderBufferDirect = function ( camera, scene, geometry, material, object, group ) {\n\n\t\tif ( scene === null ) scene = _emptyScene; // renderBufferDirect second parameter used to be fog (could be null)\n\n\t\tconst frontFaceCW = ( object.isMesh && object.matrixWorld.determinant() < 0 );\n\n\t\tconst program = setProgram( camera, scene, geometry, material, object );\n\n\t\tstate.setMaterial( material, frontFaceCW );\n\n\t\t//\n\n\t\tlet index = geometry.index;\n\t\tconst position = geometry.attributes.position;\n\n\t\t//\n\n\t\tif ( index === null ) {\n\n\t\t\tif ( position === undefined || position.count === 0 ) return;\n\n\t\t} else if ( index.count === 0 ) {\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t//\n\n\t\tlet rangeFactor = 1;\n\n\t\tif ( material.wireframe === true ) {\n\n\t\t\tindex = geometries.getWireframeAttribute( geometry );\n\t\t\trangeFactor = 2;\n\n\t\t}\n\n\t\tbindingStates.setup( object, material, program, geometry, index );\n\n\t\tlet attribute;\n\t\tlet renderer = bufferRenderer;\n\n\t\tif ( index !== null ) {\n\n\t\t\tattribute = attributes.get( index );\n\n\t\t\trenderer = indexedBufferRenderer;\n\t\t\trenderer.setIndex( attribute );\n\n\t\t}\n\n\t\t//\n\n\t\tconst dataCount = ( index !== null ) ? index.count : position.count;\n\n\t\tconst rangeStart = geometry.drawRange.start * rangeFactor;\n\t\tconst rangeCount = geometry.drawRange.count * rangeFactor;\n\n\t\tconst groupStart = group !== null ? group.start * rangeFactor : 0;\n\t\tconst groupCount = group !== null ? group.count * rangeFactor : Infinity;\n\n\t\tconst drawStart = Math.max( rangeStart, groupStart );\n\t\tconst drawEnd = Math.min( dataCount, rangeStart + rangeCount, groupStart + groupCount ) - 1;\n\n\t\tconst drawCount = Math.max( 0, drawEnd - drawStart + 1 );\n\n\t\tif ( drawCount === 0 ) return;\n\n\t\t//\n\n\t\tif ( object.isMesh ) {\n\n\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\tstate.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() );\n\t\t\t\trenderer.setMode( 1 );\n\n\t\t\t} else {\n\n\t\t\t\trenderer.setMode( 4 );\n\n\t\t\t}\n\n\t\t} else if ( object.isLine ) {\n\n\t\t\tlet lineWidth = material.linewidth;\n\n\t\t\tif ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material\n\n\t\t\tstate.setLineWidth( lineWidth * getTargetPixelRatio() );\n\n\t\t\tif ( object.isLineSegments ) {\n\n\t\t\t\trenderer.setMode( 1 );\n\n\t\t\t} else if ( object.isLineLoop ) {\n\n\t\t\t\trenderer.setMode( 2 );\n\n\t\t\t} else {\n\n\t\t\t\trenderer.setMode( 3 );\n\n\t\t\t}\n\n\t\t} else if ( object.isPoints ) {\n\n\t\t\trenderer.setMode( 0 );\n\n\t\t} else if ( object.isSprite ) {\n\n\t\t\trenderer.setMode( 4 );\n\n\t\t}\n\n\t\tif ( object.isInstancedMesh ) {\n\n\t\t\trenderer.renderInstances( drawStart, drawCount, object.count );\n\n\t\t} else if ( geometry.isInstancedBufferGeometry ) {\n\n\t\t\tconst instanceCount = Math.min( geometry.instanceCount, geometry._maxInstanceCount );\n\n\t\t\trenderer.renderInstances( drawStart, drawCount, instanceCount );\n\n\t\t} else {\n\n\t\t\trenderer.render( drawStart, drawCount );\n\n\t\t}\n\n\t};\n\n\t// Compile\n\n\tthis.compile = function ( scene, camera ) {\n\n\t\tcurrentRenderState = renderStates.get( scene );\n\t\tcurrentRenderState.init();\n\n\t\trenderStateStack.push( currentRenderState );\n\n\t\tscene.traverseVisible( function ( object ) {\n\n\t\t\tif ( object.isLight && object.layers.test( camera.layers ) ) {\n\n\t\t\t\tcurrentRenderState.pushLight( object );\n\n\t\t\t\tif ( object.castShadow ) {\n\n\t\t\t\t\tcurrentRenderState.pushShadow( object );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} );\n\n\t\tcurrentRenderState.setupLights( _this.physicallyCorrectLights );\n\n\t\tscene.traverse( function ( object ) {\n\n\t\t\tconst material = object.material;\n\n\t\t\tif ( material ) {\n\n\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\tfor ( let i = 0; i < material.length; i ++ ) {\n\n\t\t\t\t\t\tconst material2 = material[ i ];\n\n\t\t\t\t\t\tgetProgram( material2, scene, object );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgetProgram( material, scene, object );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} );\n\n\t\trenderStateStack.pop();\n\t\tcurrentRenderState = null;\n\n\t};\n\n\t// Animation Loop\n\n\tlet onAnimationFrameCallback = null;\n\n\tfunction onAnimationFrame( time ) {\n\n\t\tif ( onAnimationFrameCallback ) onAnimationFrameCallback( time );\n\n\t}\n\n\tfunction onXRSessionStart() {\n\n\t\tanimation.stop();\n\n\t}\n\n\tfunction onXRSessionEnd() {\n\n\t\tanimation.start();\n\n\t}\n\n\tconst animation = new WebGLAnimation();\n\tanimation.setAnimationLoop( onAnimationFrame );\n\n\tif ( typeof window !== 'undefined' ) animation.setContext( window );\n\n\tthis.setAnimationLoop = function ( callback ) {\n\n\t\tonAnimationFrameCallback = callback;\n\t\txr.setAnimationLoop( callback );\n\n\t\t( callback === null ) ? animation.stop() : animation.start();\n\n\t};\n\n\txr.addEventListener( 'sessionstart', onXRSessionStart );\n\txr.addEventListener( 'sessionend', onXRSessionEnd );\n\n\t// Rendering\n\n\tthis.render = function ( scene, camera ) {\n\n\t\tif ( camera !== undefined && camera.isCamera !== true ) {\n\n\t\t\tconsole.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( _isContextLost === true ) return;\n\n\t\t// update scene graph\n\n\t\tif ( scene.autoUpdate === true ) scene.updateMatrixWorld();\n\n\t\t// update camera matrices and frustum\n\n\t\tif ( camera.parent === null ) camera.updateMatrixWorld();\n\n\t\tif ( xr.enabled === true && xr.isPresenting === true ) {\n\n\t\t\tif ( xr.cameraAutoUpdate === true ) xr.updateCamera( camera );\n\n\t\t\tcamera = xr.getCamera(); // use XR camera for rendering\n\n\t\t}\n\n\t\t//\n\t\tif ( scene.isScene === true ) scene.onBeforeRender( _this, scene, camera, _currentRenderTarget );\n\n\t\tcurrentRenderState = renderStates.get( scene, renderStateStack.length );\n\t\tcurrentRenderState.init();\n\n\t\trenderStateStack.push( currentRenderState );\n\n\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\t_frustum.setFromProjectionMatrix( _projScreenMatrix );\n\n\t\t_localClippingEnabled = this.localClippingEnabled;\n\t\t_clippingEnabled = clipping.init( this.clippingPlanes, _localClippingEnabled, camera );\n\n\t\tcurrentRenderList = renderLists.get( scene, renderListStack.length );\n\t\tcurrentRenderList.init();\n\n\t\trenderListStack.push( currentRenderList );\n\n\t\tprojectObject( scene, camera, 0, _this.sortObjects );\n\n\t\tcurrentRenderList.finish();\n\n\t\tif ( _this.sortObjects === true ) {\n\n\t\t\tcurrentRenderList.sort( _opaqueSort, _transparentSort );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( _clippingEnabled === true ) clipping.beginShadows();\n\n\t\tconst shadowsArray = currentRenderState.state.shadowsArray;\n\n\t\tshadowMap.render( shadowsArray, scene, camera );\n\n\t\tif ( _clippingEnabled === true ) clipping.endShadows();\n\n\t\t//\n\n\t\tif ( this.info.autoReset === true ) this.info.reset();\n\n\t\t//\n\n\t\tbackground.render( currentRenderList, scene );\n\n\t\t// render scene\n\n\t\tcurrentRenderState.setupLights( _this.physicallyCorrectLights );\n\n\t\tif ( camera.isArrayCamera ) {\n\n\t\t\tconst cameras = camera.cameras;\n\n\t\t\tfor ( let i = 0, l = cameras.length; i < l; i ++ ) {\n\n\t\t\t\tconst camera2 = cameras[ i ];\n\n\t\t\t\trenderScene( currentRenderList, scene, camera2, camera2.viewport );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\trenderScene( currentRenderList, scene, camera );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( _currentRenderTarget !== null ) {\n\n\t\t\t// resolve multisample renderbuffers to a single-sample texture if necessary\n\n\t\t\ttextures.updateMultisampleRenderTarget( _currentRenderTarget );\n\n\t\t\t// Generate mipmap if we're using any kind of mipmap filtering\n\n\t\t\ttextures.updateRenderTargetMipmap( _currentRenderTarget );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( scene.isScene === true ) scene.onAfterRender( _this, scene, camera );\n\n\t\t// Ensure depth buffer writing is enabled so it can be cleared on next render\n\n\t\tstate.buffers.depth.setTest( true );\n\t\tstate.buffers.depth.setMask( true );\n\t\tstate.buffers.color.setMask( true );\n\n\t\tstate.setPolygonOffset( false );\n\n\t\t// _gl.finish();\n\n\t\tbindingStates.resetDefaultState();\n\t\t_currentMaterialId = - 1;\n\t\t_currentCamera = null;\n\n\t\trenderStateStack.pop();\n\n\t\tif ( renderStateStack.length > 0 ) {\n\n\t\t\tcurrentRenderState = renderStateStack[ renderStateStack.length - 1 ];\n\n\t\t} else {\n\n\t\t\tcurrentRenderState = null;\n\n\t\t}\n\n\t\trenderListStack.pop();\n\n\t\tif ( renderListStack.length > 0 ) {\n\n\t\t\tcurrentRenderList = renderListStack[ renderListStack.length - 1 ];\n\n\t\t} else {\n\n\t\t\tcurrentRenderList = null;\n\n\t\t}\n\n\t};\n\n\tfunction projectObject( object, camera, groupOrder, sortObjects ) {\n\n\t\tif ( object.visible === false ) return;\n\n\t\tconst visible = object.layers.test( camera.layers );\n\n\t\tif ( visible ) {\n\n\t\t\tif ( object.isGroup ) {\n\n\t\t\t\tgroupOrder = object.renderOrder;\n\n\t\t\t} else if ( object.isLOD ) {\n\n\t\t\t\tif ( object.autoUpdate === true ) object.update( camera );\n\n\t\t\t} else if ( object.isLight ) {\n\n\t\t\t\tcurrentRenderState.pushLight( object );\n\n\t\t\t\tif ( object.castShadow ) {\n\n\t\t\t\t\tcurrentRenderState.pushShadow( object );\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isSprite ) {\n\n\t\t\t\tif ( ! object.frustumCulled || _frustum.intersectsSprite( object ) ) {\n\n\t\t\t\t\tif ( sortObjects ) {\n\n\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld )\n\t\t\t\t\t\t\t.applyMatrix4( _projScreenMatrix );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst geometry = objects.update( object );\n\t\t\t\t\tconst material = object.material;\n\n\t\t\t\t\tif ( material.visible ) {\n\n\t\t\t\t\t\tcurrentRenderList.push( object, geometry, material, groupOrder, _vector3.z, null );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isMesh || object.isLine || object.isPoints ) {\n\n\t\t\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\t\t\t// update skeleton only once in a frame\n\n\t\t\t\t\tif ( object.skeleton.frame !== info.render.frame ) {\n\n\t\t\t\t\t\tobject.skeleton.update();\n\t\t\t\t\t\tobject.skeleton.frame = info.render.frame;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) {\n\n\t\t\t\t\tif ( sortObjects ) {\n\n\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld )\n\t\t\t\t\t\t\t.applyMatrix4( _projScreenMatrix );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst geometry = objects.update( object );\n\t\t\t\t\tconst material = object.material;\n\n\t\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\t\tconst groups = geometry.groups;\n\n\t\t\t\t\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\t\tif ( groupMaterial && groupMaterial.visible ) {\n\n\t\t\t\t\t\t\t\tcurrentRenderList.push( object, geometry, groupMaterial, groupOrder, _vector3.z, group );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else if ( material.visible ) {\n\n\t\t\t\t\t\tcurrentRenderList.push( object, geometry, material, groupOrder, _vector3.z, null );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tprojectObject( children[ i ], camera, groupOrder, sortObjects );\n\n\t\t}\n\n\t}\n\n\tfunction renderScene( currentRenderList, scene, camera, viewport ) {\n\n\t\tconst opaqueObjects = currentRenderList.opaque;\n\t\tconst transmissiveObjects = currentRenderList.transmissive;\n\t\tconst transparentObjects = currentRenderList.transparent;\n\n\t\tcurrentRenderState.setupLightsView( camera );\n\n\t\tif ( transmissiveObjects.length > 0 ) renderTransmissionPass( opaqueObjects, scene, camera );\n\n\t\tif ( viewport ) state.viewport( _currentViewport.copy( viewport ) );\n\n\t\tif ( opaqueObjects.length > 0 ) renderObjects( opaqueObjects, scene, camera );\n\t\tif ( transmissiveObjects.length > 0 ) renderObjects( transmissiveObjects, scene, camera );\n\t\tif ( transparentObjects.length > 0 ) renderObjects( transparentObjects, scene, camera );\n\n\t}\n\n\tfunction renderTransmissionPass( opaqueObjects, scene, camera ) {\n\n\t\tif ( _transmissionRenderTarget === null ) {\n\n\t\t\tconst needsAntialias = _antialias === true && capabilities.isWebGL2 === true;\n\t\t\tconst renderTargetType = needsAntialias ? WebGLMultisampleRenderTarget : WebGLRenderTarget;\n\n\t\t\t_transmissionRenderTarget = new renderTargetType( 1024, 1024, {\n\t\t\t\tgenerateMipmaps: true,\n\t\t\t\ttype: utils.convert( HalfFloatType ) !== null ? HalfFloatType : UnsignedByteType,\n\t\t\t\tminFilter: LinearMipmapLinearFilter,\n\t\t\t\tmagFilter: NearestFilter,\n\t\t\t\twrapS: ClampToEdgeWrapping,\n\t\t\t\twrapT: ClampToEdgeWrapping,\n\t\t\t\tuseRenderToTexture: extensions.has( 'WEBGL_multisampled_render_to_texture' )\n\t\t\t} );\n\n\t\t}\n\n\t\tconst currentRenderTarget = _this.getRenderTarget();\n\t\t_this.setRenderTarget( _transmissionRenderTarget );\n\t\t_this.clear();\n\n\t\t// Turn off the features which can affect the frag color for opaque objects pass.\n\t\t// Otherwise they are applied twice in opaque objects pass and transmission objects pass.\n\t\tconst currentToneMapping = _this.toneMapping;\n\t\t_this.toneMapping = NoToneMapping;\n\n\t\trenderObjects( opaqueObjects, scene, camera );\n\n\t\t_this.toneMapping = currentToneMapping;\n\n\t\ttextures.updateMultisampleRenderTarget( _transmissionRenderTarget );\n\t\ttextures.updateRenderTargetMipmap( _transmissionRenderTarget );\n\n\t\t_this.setRenderTarget( currentRenderTarget );\n\n\t}\n\n\tfunction renderObjects( renderList, scene, camera ) {\n\n\t\tconst overrideMaterial = scene.isScene === true ? scene.overrideMaterial : null;\n\n\t\tfor ( let i = 0, l = renderList.length; i < l; i ++ ) {\n\n\t\t\tconst renderItem = renderList[ i ];\n\n\t\t\tconst object = renderItem.object;\n\t\t\tconst geometry = renderItem.geometry;\n\t\t\tconst material = overrideMaterial === null ? renderItem.material : overrideMaterial;\n\t\t\tconst group = renderItem.group;\n\n\t\t\tif ( object.layers.test( camera.layers ) ) {\n\n\t\t\t\trenderObject( object, scene, camera, geometry, material, group );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction renderObject( object, scene, camera, geometry, material, group ) {\n\n\t\tobject.onBeforeRender( _this, scene, camera, geometry, material, group );\n\n\t\tobject.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld );\n\t\tobject.normalMatrix.getNormalMatrix( object.modelViewMatrix );\n\n\t\tmaterial.onBeforeRender( _this, scene, camera, geometry, object, group );\n\n\t\tif ( material.transparent === true && material.side === DoubleSide ) {\n\n\t\t\tmaterial.side = BackSide;\n\t\t\tmaterial.needsUpdate = true;\n\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t\tmaterial.side = FrontSide;\n\t\t\tmaterial.needsUpdate = true;\n\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t\tmaterial.side = DoubleSide;\n\n\t\t} else {\n\n\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t}\n\n\t\tobject.onAfterRender( _this, scene, camera, geometry, material, group );\n\n\t}\n\n\tfunction getProgram( material, scene, object ) {\n\n\t\tif ( scene.isScene !== true ) scene = _emptyScene; // scene could be a Mesh, Line, Points, ...\n\n\t\tconst materialProperties = properties.get( material );\n\n\t\tconst lights = currentRenderState.state.lights;\n\t\tconst shadowsArray = currentRenderState.state.shadowsArray;\n\n\t\tconst lightsStateVersion = lights.state.version;\n\n\t\tconst parameters = programCache.getParameters( material, lights.state, shadowsArray, scene, object );\n\t\tconst programCacheKey = programCache.getProgramCacheKey( parameters );\n\n\t\tlet programs = materialProperties.programs;\n\n\t\t// always update environment and fog - changing these trigger an getProgram call, but it's possible that the program doesn't change\n\n\t\tmaterialProperties.environment = material.isMeshStandardMaterial ? scene.environment : null;\n\t\tmaterialProperties.fog = scene.fog;\n\t\tmaterialProperties.envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || materialProperties.environment );\n\n\t\tif ( programs === undefined ) {\n\n\t\t\t// new material\n\n\t\t\tmaterial.addEventListener( 'dispose', onMaterialDispose );\n\n\t\t\tprograms = new Map();\n\t\t\tmaterialProperties.programs = programs;\n\n\t\t}\n\n\t\tlet program = programs.get( programCacheKey );\n\n\t\tif ( program !== undefined ) {\n\n\t\t\t// early out if program and light state is identical\n\n\t\t\tif ( materialProperties.currentProgram === program && materialProperties.lightsStateVersion === lightsStateVersion ) {\n\n\t\t\t\tupdateCommonMaterialProperties( material, parameters );\n\n\t\t\t\treturn program;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tparameters.uniforms = programCache.getUniforms( material );\n\n\t\t\tmaterial.onBuild( object, parameters, _this );\n\n\t\t\tmaterial.onBeforeCompile( parameters, _this );\n\n\t\t\tprogram = programCache.acquireProgram( parameters, programCacheKey );\n\t\t\tprograms.set( programCacheKey, program );\n\n\t\t\tmaterialProperties.uniforms = parameters.uniforms;\n\n\t\t}\n\n\t\tconst uniforms = materialProperties.uniforms;\n\n\t\tif ( ( ! material.isShaderMaterial && ! material.isRawShaderMaterial ) || material.clipping === true ) {\n\n\t\t\tuniforms.clippingPlanes = clipping.uniform;\n\n\t\t}\n\n\t\tupdateCommonMaterialProperties( material, parameters );\n\n\t\t// store the light setup it was created for\n\n\t\tmaterialProperties.needsLights = materialNeedsLights( material );\n\t\tmaterialProperties.lightsStateVersion = lightsStateVersion;\n\n\t\tif ( materialProperties.needsLights ) {\n\n\t\t\t// wire up the material to this renderer's lighting state\n\n\t\t\tuniforms.ambientLightColor.value = lights.state.ambient;\n\t\t\tuniforms.lightProbe.value = lights.state.probe;\n\t\t\tuniforms.directionalLights.value = lights.state.directional;\n\t\t\tuniforms.directionalLightShadows.value = lights.state.directionalShadow;\n\t\t\tuniforms.spotLights.value = lights.state.spot;\n\t\t\tuniforms.spotLightShadows.value = lights.state.spotShadow;\n\t\t\tuniforms.rectAreaLights.value = lights.state.rectArea;\n\t\t\tuniforms.ltc_1.value = lights.state.rectAreaLTC1;\n\t\t\tuniforms.ltc_2.value = lights.state.rectAreaLTC2;\n\t\t\tuniforms.pointLights.value = lights.state.point;\n\t\t\tuniforms.pointLightShadows.value = lights.state.pointShadow;\n\t\t\tuniforms.hemisphereLights.value = lights.state.hemi;\n\n\t\t\tuniforms.directionalShadowMap.value = lights.state.directionalShadowMap;\n\t\t\tuniforms.directionalShadowMatrix.value = lights.state.directionalShadowMatrix;\n\t\t\tuniforms.spotShadowMap.value = lights.state.spotShadowMap;\n\t\t\tuniforms.spotShadowMatrix.value = lights.state.spotShadowMatrix;\n\t\t\tuniforms.pointShadowMap.value = lights.state.pointShadowMap;\n\t\t\tuniforms.pointShadowMatrix.value = lights.state.pointShadowMatrix;\n\t\t\t// TODO (abelnation): add area lights shadow info to uniforms\n\n\t\t}\n\n\t\tconst progUniforms = program.getUniforms();\n\t\tconst uniformsList = WebGLUniforms.seqWithValue( progUniforms.seq, uniforms );\n\n\t\tmaterialProperties.currentProgram = program;\n\t\tmaterialProperties.uniformsList = uniformsList;\n\n\t\treturn program;\n\n\t}\n\n\tfunction updateCommonMaterialProperties( material, parameters ) {\n\n\t\tconst materialProperties = properties.get( material );\n\n\t\tmaterialProperties.outputEncoding = parameters.outputEncoding;\n\t\tmaterialProperties.instancing = parameters.instancing;\n\t\tmaterialProperties.skinning = parameters.skinning;\n\t\tmaterialProperties.morphTargets = parameters.morphTargets;\n\t\tmaterialProperties.morphNormals = parameters.morphNormals;\n\t\tmaterialProperties.morphTargetsCount = parameters.morphTargetsCount;\n\t\tmaterialProperties.numClippingPlanes = parameters.numClippingPlanes;\n\t\tmaterialProperties.numIntersection = parameters.numClipIntersection;\n\t\tmaterialProperties.vertexAlphas = parameters.vertexAlphas;\n\t\tmaterialProperties.vertexTangents = parameters.vertexTangents;\n\n\t}\n\n\tfunction setProgram( camera, scene, geometry, material, object ) {\n\n\t\tif ( scene.isScene !== true ) scene = _emptyScene; // scene could be a Mesh, Line, Points, ...\n\n\t\ttextures.resetTextureUnits();\n\n\t\tconst fog = scene.fog;\n\t\tconst environment = material.isMeshStandardMaterial ? scene.environment : null;\n\t\tconst encoding = ( _currentRenderTarget === null ) ? _this.outputEncoding : _currentRenderTarget.texture.encoding;\n\t\tconst envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || environment );\n\t\tconst vertexAlphas = material.vertexColors === true && !! geometry.attributes.color && geometry.attributes.color.itemSize === 4;\n\t\tconst vertexTangents = !! material.normalMap && !! geometry.attributes.tangent;\n\t\tconst morphTargets = !! geometry.morphAttributes.position;\n\t\tconst morphNormals = !! geometry.morphAttributes.normal;\n\t\tconst morphTargetsCount = !! geometry.morphAttributes.position ? geometry.morphAttributes.position.length : 0;\n\n\t\tconst materialProperties = properties.get( material );\n\t\tconst lights = currentRenderState.state.lights;\n\n\t\tif ( _clippingEnabled === true ) {\n\n\t\t\tif ( _localClippingEnabled === true || camera !== _currentCamera ) {\n\n\t\t\t\tconst useCache =\n\t\t\t\t\tcamera === _currentCamera &&\n\t\t\t\t\tmaterial.id === _currentMaterialId;\n\n\t\t\t\t// we might want to call this function with some ClippingGroup\n\t\t\t\t// object instead of the material, once it becomes feasible\n\t\t\t\t// (#8465, #8379)\n\t\t\t\tclipping.setState( material, camera, useCache );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tlet needsProgramChange = false;\n\n\t\tif ( material.version === materialProperties.__version ) {\n\n\t\t\tif ( materialProperties.needsLights && ( materialProperties.lightsStateVersion !== lights.state.version ) ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.outputEncoding !== encoding ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( object.isInstancedMesh && materialProperties.instancing === false ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( ! object.isInstancedMesh && materialProperties.instancing === true ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( object.isSkinnedMesh && materialProperties.skinning === false ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( ! object.isSkinnedMesh && materialProperties.skinning === true ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.envMap !== envMap ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( material.fog && materialProperties.fog !== fog ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.numClippingPlanes !== undefined &&\n\t\t\t\t( materialProperties.numClippingPlanes !== clipping.numPlanes ||\n\t\t\t\tmaterialProperties.numIntersection !== clipping.numIntersection ) ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.vertexAlphas !== vertexAlphas ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.vertexTangents !== vertexTangents ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.morphTargets !== morphTargets ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.morphNormals !== morphNormals ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( capabilities.isWebGL2 === true && materialProperties.morphTargetsCount !== morphTargetsCount ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tneedsProgramChange = true;\n\t\t\tmaterialProperties.__version = material.version;\n\n\t\t}\n\n\t\t//\n\n\t\tlet program = materialProperties.currentProgram;\n\n\t\tif ( needsProgramChange === true ) {\n\n\t\t\tprogram = getProgram( material, scene, object );\n\n\t\t}\n\n\t\tlet refreshProgram = false;\n\t\tlet refreshMaterial = false;\n\t\tlet refreshLights = false;\n\n\t\tconst p_uniforms = program.getUniforms(),\n\t\t\tm_uniforms = materialProperties.uniforms;\n\n\t\tif ( state.useProgram( program.program ) ) {\n\n\t\t\trefreshProgram = true;\n\t\t\trefreshMaterial = true;\n\t\t\trefreshLights = true;\n\n\t\t}\n\n\t\tif ( material.id !== _currentMaterialId ) {\n\n\t\t\t_currentMaterialId = material.id;\n\n\t\t\trefreshMaterial = true;\n\n\t\t}\n\n\t\tif ( refreshProgram || _currentCamera !== camera ) {\n\n\t\t\tp_uniforms.setValue( _gl, 'projectionMatrix', camera.projectionMatrix );\n\n\t\t\tif ( capabilities.logarithmicDepthBuffer ) {\n\n\t\t\t\tp_uniforms.setValue( _gl, 'logDepthBufFC',\n\t\t\t\t\t2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) );\n\n\t\t\t}\n\n\t\t\tif ( _currentCamera !== camera ) {\n\n\t\t\t\t_currentCamera = camera;\n\n\t\t\t\t// lighting uniforms depend on the camera so enforce an update\n\t\t\t\t// now, in case this material supports lights - or later, when\n\t\t\t\t// the next material that does gets activated:\n\n\t\t\t\trefreshMaterial = true;\t\t// set to true on material change\n\t\t\t\trefreshLights = true;\t\t// remains set until update done\n\n\t\t\t}\n\n\t\t\t// load material specific uniforms\n\t\t\t// (shader material also gets them for the sake of genericity)\n\n\t\t\tif ( material.isShaderMaterial ||\n\t\t\t\tmaterial.isMeshPhongMaterial ||\n\t\t\t\tmaterial.isMeshToonMaterial ||\n\t\t\t\tmaterial.isMeshStandardMaterial ||\n\t\t\t\tmaterial.envMap ) {\n\n\t\t\t\tconst uCamPos = p_uniforms.map.cameraPosition;\n\n\t\t\t\tif ( uCamPos !== undefined ) {\n\n\t\t\t\t\tuCamPos.setValue( _gl,\n\t\t\t\t\t\t_vector3.setFromMatrixPosition( camera.matrixWorld ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.isMeshPhongMaterial ||\n\t\t\t\tmaterial.isMeshToonMaterial ||\n\t\t\t\tmaterial.isMeshLambertMaterial ||\n\t\t\t\tmaterial.isMeshBasicMaterial ||\n\t\t\t\tmaterial.isMeshStandardMaterial ||\n\t\t\t\tmaterial.isShaderMaterial ) {\n\n\t\t\t\tp_uniforms.setValue( _gl, 'isOrthographic', camera.isOrthographicCamera === true );\n\n\t\t\t}\n\n\t\t\tif ( material.isMeshPhongMaterial ||\n\t\t\t\tmaterial.isMeshToonMaterial ||\n\t\t\t\tmaterial.isMeshLambertMaterial ||\n\t\t\t\tmaterial.isMeshBasicMaterial ||\n\t\t\t\tmaterial.isMeshStandardMaterial ||\n\t\t\t\tmaterial.isShaderMaterial ||\n\t\t\t\tmaterial.isShadowMaterial ||\n\t\t\t\tobject.isSkinnedMesh ) {\n\n\t\t\t\tp_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// skinning and morph target uniforms must be set even if material didn't change\n\t\t// auto-setting of texture unit for bone and morph texture must go before other textures\n\t\t// otherwise textures used for skinning and morphing can take over texture units reserved for other material textures\n\n\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrix' );\n\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrixInverse' );\n\n\t\t\tconst skeleton = object.skeleton;\n\n\t\t\tif ( skeleton ) {\n\n\t\t\t\tif ( capabilities.floatVertexTextures ) {\n\n\t\t\t\t\tif ( skeleton.boneTexture === null ) skeleton.computeBoneTexture();\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'boneTexture', skeleton.boneTexture, textures );\n\t\t\t\t\tp_uniforms.setValue( _gl, 'boneTextureSize', skeleton.boneTextureSize );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tp_uniforms.setOptional( _gl, skeleton, 'boneMatrices' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( !! geometry && ( geometry.morphAttributes.position !== undefined || geometry.morphAttributes.normal !== undefined ) ) {\n\n\t\t\tmorphtargets.update( object, geometry, material, program );\n\n\t\t}\n\n\n\t\tif ( refreshMaterial || materialProperties.receiveShadow !== object.receiveShadow ) {\n\n\t\t\tmaterialProperties.receiveShadow = object.receiveShadow;\n\t\t\tp_uniforms.setValue( _gl, 'receiveShadow', object.receiveShadow );\n\n\t\t}\n\n\t\tif ( refreshMaterial ) {\n\n\t\t\tp_uniforms.setValue( _gl, 'toneMappingExposure', _this.toneMappingExposure );\n\n\t\t\tif ( materialProperties.needsLights ) {\n\n\t\t\t\t// the current material requires lighting info\n\n\t\t\t\t// note: all lighting uniforms are always set correctly\n\t\t\t\t// they simply reference the renderer's state for their\n\t\t\t\t// values\n\t\t\t\t//\n\t\t\t\t// use the current material's .needsUpdate flags to set\n\t\t\t\t// the GL state when required\n\n\t\t\t\tmarkUniformsLightsNeedsUpdate( m_uniforms, refreshLights );\n\n\t\t\t}\n\n\t\t\t// refresh uniforms common to several materials\n\n\t\t\tif ( fog && material.fog ) {\n\n\t\t\t\tmaterials.refreshFogUniforms( m_uniforms, fog );\n\n\t\t\t}\n\n\t\t\tmaterials.refreshMaterialUniforms( m_uniforms, material, _pixelRatio, _height, _transmissionRenderTarget );\n\n\t\t\tWebGLUniforms.upload( _gl, materialProperties.uniformsList, m_uniforms, textures );\n\n\t\t}\n\n\t\tif ( material.isShaderMaterial && material.uniformsNeedUpdate === true ) {\n\n\t\t\tWebGLUniforms.upload( _gl, materialProperties.uniformsList, m_uniforms, textures );\n\t\t\tmaterial.uniformsNeedUpdate = false;\n\n\t\t}\n\n\t\tif ( material.isSpriteMaterial ) {\n\n\t\t\tp_uniforms.setValue( _gl, 'center', object.center );\n\n\t\t}\n\n\t\t// common matrices\n\n\t\tp_uniforms.setValue( _gl, 'modelViewMatrix', object.modelViewMatrix );\n\t\tp_uniforms.setValue( _gl, 'normalMatrix', object.normalMatrix );\n\t\tp_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld );\n\n\t\treturn program;\n\n\t}\n\n\t// If uniforms are marked as clean, they don't need to be loaded to the GPU.\n\n\tfunction markUniformsLightsNeedsUpdate( uniforms, value ) {\n\n\t\tuniforms.ambientLightColor.needsUpdate = value;\n\t\tuniforms.lightProbe.needsUpdate = value;\n\n\t\tuniforms.directionalLights.needsUpdate = value;\n\t\tuniforms.directionalLightShadows.needsUpdate = value;\n\t\tuniforms.pointLights.needsUpdate = value;\n\t\tuniforms.pointLightShadows.needsUpdate = value;\n\t\tuniforms.spotLights.needsUpdate = value;\n\t\tuniforms.spotLightShadows.needsUpdate = value;\n\t\tuniforms.rectAreaLights.needsUpdate = value;\n\t\tuniforms.hemisphereLights.needsUpdate = value;\n\n\t}\n\n\tfunction materialNeedsLights( material ) {\n\n\t\treturn material.isMeshLambertMaterial || material.isMeshToonMaterial || material.isMeshPhongMaterial ||\n\t\t\tmaterial.isMeshStandardMaterial || material.isShadowMaterial ||\n\t\t\t( material.isShaderMaterial && material.lights === true );\n\n\t}\n\n\tthis.getActiveCubeFace = function () {\n\n\t\treturn _currentActiveCubeFace;\n\n\t};\n\n\tthis.getActiveMipmapLevel = function () {\n\n\t\treturn _currentActiveMipmapLevel;\n\n\t};\n\n\tthis.getRenderTarget = function () {\n\n\t\treturn _currentRenderTarget;\n\n\t};\n\n\tthis.setRenderTargetTextures = function ( renderTarget, colorTexture, depthTexture ) {\n\n\t\tproperties.get( renderTarget.texture ).__webglTexture = colorTexture;\n\t\tproperties.get( renderTarget.depthTexture ).__webglTexture = depthTexture;\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\trenderTargetProperties.__hasExternalTextures = true;\n\n\t\tif ( renderTargetProperties.__hasExternalTextures ) {\n\n\t\t\trenderTargetProperties.__autoAllocateDepthBuffer = depthTexture === undefined;\n\n\t\t\tif ( ! renderTargetProperties.__autoAllocateDepthBuffer ) {\n\n\t\t\t\t// The multisample_render_to_texture extension doesn't work properly if there\n\t\t\t\t// are midframe flushes and an external depth buffer. Disable use of the extension.\n\t\t\t\tif ( renderTarget.useRenderToTexture ) {\n\n\t\t\t\t\tconsole.warn( 'render-to-texture extension was disabled because an external texture was provided' );\n\t\t\t\t\trenderTarget.useRenderToTexture = false;\n\t\t\t\t\trenderTarget.useRenderbuffer = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tthis.setRenderTargetFramebuffer = function ( renderTarget, defaultFramebuffer ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\trenderTargetProperties.__webglFramebuffer = defaultFramebuffer;\n\t\trenderTargetProperties.__useDefaultFramebuffer = defaultFramebuffer === undefined;\n\n\t};\n\n\tthis.setRenderTarget = function ( renderTarget, activeCubeFace = 0, activeMipmapLevel = 0 ) {\n\n\t\t_currentRenderTarget = renderTarget;\n\t\t_currentActiveCubeFace = activeCubeFace;\n\t\t_currentActiveMipmapLevel = activeMipmapLevel;\n\t\tlet useDefaultFramebuffer = true;\n\n\t\tif ( renderTarget ) {\n\n\t\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\t\tif ( renderTargetProperties.__useDefaultFramebuffer !== undefined ) {\n\n\t\t\t\t// We need to make sure to rebind the framebuffer.\n\t\t\t\tstate.bindFramebuffer( 36160, null );\n\t\t\t\tuseDefaultFramebuffer = false;\n\n\t\t\t} else if ( renderTargetProperties.__webglFramebuffer === undefined ) {\n\n\t\t\t\ttextures.setupRenderTarget( renderTarget );\n\n\t\t\t} else if ( renderTargetProperties.__hasExternalTextures ) {\n\n\t\t\t\t// Color and depth texture must be rebound in order for the swapchain to update.\n\t\t\t\ttextures.rebindTextures( renderTarget, properties.get( renderTarget.texture ).__webglTexture, properties.get( renderTarget.depthTexture ).__webglTexture );\n\n\t\t\t}\n\n\t\t}\n\n\t\tlet framebuffer = null;\n\t\tlet isCube = false;\n\t\tlet isRenderTarget3D = false;\n\n\t\tif ( renderTarget ) {\n\n\t\t\tconst texture = renderTarget.texture;\n\n\t\t\tif ( texture.isDataTexture3D || texture.isDataTexture2DArray ) {\n\n\t\t\t\tisRenderTarget3D = true;\n\n\t\t\t}\n\n\t\t\tconst __webglFramebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\t\tif ( renderTarget.isWebGLCubeRenderTarget ) {\n\n\t\t\t\tframebuffer = __webglFramebuffer[ activeCubeFace ];\n\t\t\t\tisCube = true;\n\n\t\t\t} else if ( renderTarget.useRenderbuffer ) {\n\n\t\t\t\tframebuffer = properties.get( renderTarget ).__webglMultisampledFramebuffer;\n\n\t\t\t} else {\n\n\t\t\t\tframebuffer = __webglFramebuffer;\n\n\t\t\t}\n\n\t\t\t_currentViewport.copy( renderTarget.viewport );\n\t\t\t_currentScissor.copy( renderTarget.scissor );\n\t\t\t_currentScissorTest = renderTarget.scissorTest;\n\n\t\t} else {\n\n\t\t\t_currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).floor();\n\t\t\t_currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).floor();\n\t\t\t_currentScissorTest = _scissorTest;\n\n\t\t}\n\n\t\tconst framebufferBound = state.bindFramebuffer( 36160, framebuffer );\n\n\t\tif ( framebufferBound && capabilities.drawBuffers && useDefaultFramebuffer ) {\n\n\t\t\tlet needsUpdate = false;\n\n\t\t\tif ( renderTarget ) {\n\n\t\t\t\tif ( renderTarget.isWebGLMultipleRenderTargets ) {\n\n\t\t\t\t\tconst textures = renderTarget.texture;\n\n\t\t\t\t\tif ( _currentDrawBuffers.length !== textures.length || _currentDrawBuffers[ 0 ] !== 36064 ) {\n\n\t\t\t\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\t_currentDrawBuffers[ i ] = 36064 + i;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t_currentDrawBuffers.length = textures.length;\n\n\t\t\t\t\t\tneedsUpdate = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( _currentDrawBuffers.length !== 1 || _currentDrawBuffers[ 0 ] !== 36064 ) {\n\n\t\t\t\t\t\t_currentDrawBuffers[ 0 ] = 36064;\n\t\t\t\t\t\t_currentDrawBuffers.length = 1;\n\n\t\t\t\t\t\tneedsUpdate = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( _currentDrawBuffers.length !== 1 || _currentDrawBuffers[ 0 ] !== 1029 ) {\n\n\t\t\t\t\t_currentDrawBuffers[ 0 ] = 1029;\n\t\t\t\t\t_currentDrawBuffers.length = 1;\n\n\t\t\t\t\tneedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( needsUpdate ) {\n\n\t\t\t\tif ( capabilities.isWebGL2 ) {\n\n\t\t\t\t\t_gl.drawBuffers( _currentDrawBuffers );\n\n\t\t\t\t} else {\n\n\t\t\t\t\textensions.get( 'WEBGL_draw_buffers' ).drawBuffersWEBGL( _currentDrawBuffers );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.viewport( _currentViewport );\n\t\tstate.scissor( _currentScissor );\n\t\tstate.setScissorTest( _currentScissorTest );\n\n\t\tif ( isCube ) {\n\n\t\t\tconst textureProperties = properties.get( renderTarget.texture );\n\t\t\t_gl.framebufferTexture2D( 36160, 36064, 34069 + activeCubeFace, textureProperties.__webglTexture, activeMipmapLevel );\n\n\t\t} else if ( isRenderTarget3D ) {\n\n\t\t\tconst textureProperties = properties.get( renderTarget.texture );\n\t\t\tconst layer = activeCubeFace || 0;\n\t\t\t_gl.framebufferTextureLayer( 36160, 36064, textureProperties.__webglTexture, activeMipmapLevel || 0, layer );\n\n\t\t}\n\n\t\t_currentMaterialId = - 1; // reset current material to ensure correct uniform bindings\n\n\t};\n\n\tthis.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer, activeCubeFaceIndex ) {\n\n\t\tif ( ! ( renderTarget && renderTarget.isWebGLRenderTarget ) ) {\n\n\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tlet framebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\tif ( renderTarget.isWebGLCubeRenderTarget && activeCubeFaceIndex !== undefined ) {\n\n\t\t\tframebuffer = framebuffer[ activeCubeFaceIndex ];\n\n\t\t}\n\n\t\tif ( framebuffer ) {\n\n\t\t\tstate.bindFramebuffer( 36160, framebuffer );\n\n\t\t\ttry {\n\n\t\t\t\tconst texture = renderTarget.texture;\n\t\t\t\tconst textureFormat = texture.format;\n\t\t\t\tconst textureType = texture.type;\n\n\t\t\t\tif ( textureFormat !== RGBAFormat && utils.convert( textureFormat ) !== _gl.getParameter( 35739 ) ) {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tconst halfFloatSupportedByExt = ( textureType === HalfFloatType ) && ( extensions.has( 'EXT_color_buffer_half_float' ) || ( capabilities.isWebGL2 && extensions.has( 'EXT_color_buffer_float' ) ) );\n\n\t\t\t\tif ( textureType !== UnsignedByteType && utils.convert( textureType ) !== _gl.getParameter( 35738 ) && // Edge and Chrome Mac < 52 (#9513)\n\t\t\t\t\t! ( textureType === FloatType && ( capabilities.isWebGL2 || extensions.has( 'OES_texture_float' ) || extensions.has( 'WEBGL_color_buffer_float' ) ) ) && // Chrome Mac >= 52 and Firefox\n\t\t\t\t\t! halfFloatSupportedByExt ) {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tif ( _gl.checkFramebufferStatus( 36160 ) === 36053 ) {\n\n\t\t\t\t\t// the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604)\n\n\t\t\t\t\tif ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) {\n\n\t\t\t\t\t\t_gl.readPixels( x, y, width, height, utils.convert( textureFormat ), utils.convert( textureType ), buffer );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.' );\n\n\t\t\t\t}\n\n\t\t\t} finally {\n\n\t\t\t\t// restore framebuffer of current render target if necessary\n\n\t\t\t\tconst framebuffer = ( _currentRenderTarget !== null ) ? properties.get( _currentRenderTarget ).__webglFramebuffer : null;\n\t\t\t\tstate.bindFramebuffer( 36160, framebuffer );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tthis.copyFramebufferToTexture = function ( position, texture, level = 0 ) {\n\n\t\tconst levelScale = Math.pow( 2, - level );\n\t\tconst width = Math.floor( texture.image.width * levelScale );\n\t\tconst height = Math.floor( texture.image.height * levelScale );\n\n\t\tlet glFormat = utils.convert( texture.format );\n\n\t\tif ( capabilities.isWebGL2 ) {\n\n\t\t\t// Workaround for https://bugs.chromium.org/p/chromium/issues/detail?id=1120100\n\t\t\t// Not needed in Chrome 93+\n\n\t\t\tif ( glFormat === 6407 ) glFormat = 32849;\n\t\t\tif ( glFormat === 6408 ) glFormat = 32856;\n\n\t\t}\n\n\t\ttextures.setTexture2D( texture, 0 );\n\n\t\t_gl.copyTexImage2D( 3553, level, glFormat, position.x, position.y, width, height, 0 );\n\n\t\tstate.unbindTexture();\n\n\t};\n\n\tthis.copyTextureToTexture = function ( position, srcTexture, dstTexture, level = 0 ) {\n\n\t\tconst width = srcTexture.image.width;\n\t\tconst height = srcTexture.image.height;\n\t\tconst glFormat = utils.convert( dstTexture.format );\n\t\tconst glType = utils.convert( dstTexture.type );\n\n\t\ttextures.setTexture2D( dstTexture, 0 );\n\n\t\t// As another texture upload may have changed pixelStorei\n\t\t// parameters, make sure they are correct for the dstTexture\n\t\t_gl.pixelStorei( 37440, dstTexture.flipY );\n\t\t_gl.pixelStorei( 37441, dstTexture.premultiplyAlpha );\n\t\t_gl.pixelStorei( 3317, dstTexture.unpackAlignment );\n\n\t\tif ( srcTexture.isDataTexture ) {\n\n\t\t\t_gl.texSubImage2D( 3553, level, position.x, position.y, width, height, glFormat, glType, srcTexture.image.data );\n\n\t\t} else {\n\n\t\t\tif ( srcTexture.isCompressedTexture ) {\n\n\t\t\t\t_gl.compressedTexSubImage2D( 3553, level, position.x, position.y, srcTexture.mipmaps[ 0 ].width, srcTexture.mipmaps[ 0 ].height, glFormat, srcTexture.mipmaps[ 0 ].data );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.texSubImage2D( 3553, level, position.x, position.y, glFormat, glType, srcTexture.image );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Generate mipmaps only when copying level 0\n\t\tif ( level === 0 && dstTexture.generateMipmaps ) _gl.generateMipmap( 3553 );\n\n\t\tstate.unbindTexture();\n\n\t};\n\n\tthis.copyTextureToTexture3D = function ( sourceBox, position, srcTexture, dstTexture, level = 0 ) {\n\n\t\tif ( _this.isWebGL1Renderer ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst width = sourceBox.max.x - sourceBox.min.x + 1;\n\t\tconst height = sourceBox.max.y - sourceBox.min.y + 1;\n\t\tconst depth = sourceBox.max.z - sourceBox.min.z + 1;\n\t\tconst glFormat = utils.convert( dstTexture.format );\n\t\tconst glType = utils.convert( dstTexture.type );\n\t\tlet glTarget;\n\n\t\tif ( dstTexture.isDataTexture3D ) {\n\n\t\t\ttextures.setTexture3D( dstTexture, 0 );\n\t\t\tglTarget = 32879;\n\n\t\t} else if ( dstTexture.isDataTexture2DArray ) {\n\n\t\t\ttextures.setTexture2DArray( dstTexture, 0 );\n\t\t\tglTarget = 35866;\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\t_gl.pixelStorei( 37440, dstTexture.flipY );\n\t\t_gl.pixelStorei( 37441, dstTexture.premultiplyAlpha );\n\t\t_gl.pixelStorei( 3317, dstTexture.unpackAlignment );\n\n\t\tconst unpackRowLen = _gl.getParameter( 3314 );\n\t\tconst unpackImageHeight = _gl.getParameter( 32878 );\n\t\tconst unpackSkipPixels = _gl.getParameter( 3316 );\n\t\tconst unpackSkipRows = _gl.getParameter( 3315 );\n\t\tconst unpackSkipImages = _gl.getParameter( 32877 );\n\n\t\tconst image = srcTexture.isCompressedTexture ? srcTexture.mipmaps[ 0 ] : srcTexture.image;\n\n\t\t_gl.pixelStorei( 3314, image.width );\n\t\t_gl.pixelStorei( 32878, image.height );\n\t\t_gl.pixelStorei( 3316, sourceBox.min.x );\n\t\t_gl.pixelStorei( 3315, sourceBox.min.y );\n\t\t_gl.pixelStorei( 32877, sourceBox.min.z );\n\n\t\tif ( srcTexture.isDataTexture || srcTexture.isDataTexture3D ) {\n\n\t\t\t_gl.texSubImage3D( glTarget, level, position.x, position.y, position.z, width, height, depth, glFormat, glType, image.data );\n\n\t\t} else {\n\n\t\t\tif ( srcTexture.isCompressedTexture ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer.copyTextureToTexture3D: untested support for compressed srcTexture.' );\n\t\t\t\t_gl.compressedTexSubImage3D( glTarget, level, position.x, position.y, position.z, width, height, depth, glFormat, image.data );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.texSubImage3D( glTarget, level, position.x, position.y, position.z, width, height, depth, glFormat, glType, image );\n\n\t\t\t}\n\n\t\t}\n\n\t\t_gl.pixelStorei( 3314, unpackRowLen );\n\t\t_gl.pixelStorei( 32878, unpackImageHeight );\n\t\t_gl.pixelStorei( 3316, unpackSkipPixels );\n\t\t_gl.pixelStorei( 3315, unpackSkipRows );\n\t\t_gl.pixelStorei( 32877, unpackSkipImages );\n\n\t\t// Generate mipmaps only when copying level 0\n\t\tif ( level === 0 && dstTexture.generateMipmaps ) _gl.generateMipmap( glTarget );\n\n\t\tstate.unbindTexture();\n\n\t};\n\n\tthis.initTexture = function ( texture ) {\n\n\t\ttextures.setTexture2D( texture, 0 );\n\n\t\tstate.unbindTexture();\n\n\t};\n\n\tthis.resetState = function () {\n\n\t\t_currentActiveCubeFace = 0;\n\t\t_currentActiveMipmapLevel = 0;\n\t\t_currentRenderTarget = null;\n\n\t\tstate.reset();\n\t\tbindingStates.reset();\n\n\t};\n\n\tif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) ); // eslint-disable-line no-undef\n\n\t}\n\n}\n\nWebGLRenderer.prototype.isWebGLRenderer = true;\n\nclass WebGL1Renderer extends WebGLRenderer {}\n\nWebGL1Renderer.prototype.isWebGL1Renderer = true;\n\nclass FogExp2 {\n\n\tconstructor( color, density = 0.00025 ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\t\tthis.density = density;\n\n\t}\n\n\tclone() {\n\n\t\treturn new FogExp2( this.color, this.density );\n\n\t}\n\n\ttoJSON( /* meta */ ) {\n\n\t\treturn {\n\t\t\ttype: 'FogExp2',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tdensity: this.density\n\t\t};\n\n\t}\n\n}\n\nFogExp2.prototype.isFogExp2 = true;\n\nclass Fog {\n\n\tconstructor( color, near = 1, far = 1000 ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\n\t}\n\n\tclone() {\n\n\t\treturn new Fog( this.color, this.near, this.far );\n\n\t}\n\n\ttoJSON( /* meta */ ) {\n\n\t\treturn {\n\t\t\ttype: 'Fog',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tnear: this.near,\n\t\t\tfar: this.far\n\t\t};\n\n\t}\n\n}\n\nFog.prototype.isFog = true;\n\nclass Scene extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'Scene';\n\n\t\tthis.background = null;\n\t\tthis.environment = null;\n\t\tthis.fog = null;\n\n\t\tthis.overrideMaterial = null;\n\n\t\tthis.autoUpdate = true; // checked by the renderer\n\n\t\tif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t\t\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) ); // eslint-disable-line no-undef\n\n\t\t}\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tif ( source.background !== null ) this.background = source.background.clone();\n\t\tif ( source.environment !== null ) this.environment = source.environment.clone();\n\t\tif ( source.fog !== null ) this.fog = source.fog.clone();\n\n\t\tif ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone();\n\n\t\tthis.autoUpdate = source.autoUpdate;\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tif ( this.fog !== null ) data.object.fog = this.fog.toJSON();\n\n\t\treturn data;\n\n\t}\n\n}\n\nScene.prototype.isScene = true;\n\nclass InterleavedBuffer {\n\n\tconstructor( array, stride ) {\n\n\t\tthis.array = array;\n\t\tthis.stride = stride;\n\t\tthis.count = array !== undefined ? array.length / stride : 0;\n\n\t\tthis.usage = StaticDrawUsage;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t\tthis.uuid = generateUUID();\n\n\t}\n\n\tonUploadCallback() {}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tsetUsage( value ) {\n\n\t\tthis.usage = value;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.array = new source.array.constructor( source.array );\n\t\tthis.count = source.count;\n\t\tthis.stride = source.stride;\n\t\tthis.usage = source.usage;\n\n\t\treturn this;\n\n\t}\n\n\tcopyAt( index1, attribute, index2 ) {\n\n\t\tindex1 *= this.stride;\n\t\tindex2 *= attribute.stride;\n\n\t\tfor ( let i = 0, l = this.stride; i < l; i ++ ) {\n\n\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tset( value, offset = 0 ) {\n\n\t\tthis.array.set( value, offset );\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tif ( data.arrayBuffers === undefined ) {\n\n\t\t\tdata.arrayBuffers = {};\n\n\t\t}\n\n\t\tif ( this.array.buffer._uuid === undefined ) {\n\n\t\t\tthis.array.buffer._uuid = generateUUID();\n\n\t\t}\n\n\t\tif ( data.arrayBuffers[ this.array.buffer._uuid ] === undefined ) {\n\n\t\t\tdata.arrayBuffers[ this.array.buffer._uuid ] = this.array.slice( 0 ).buffer;\n\n\t\t}\n\n\t\tconst array = new this.array.constructor( data.arrayBuffers[ this.array.buffer._uuid ] );\n\n\t\tconst ib = new this.constructor( array, this.stride );\n\t\tib.setUsage( this.usage );\n\n\t\treturn ib;\n\n\t}\n\n\tonUpload( callback ) {\n\n\t\tthis.onUploadCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tif ( data.arrayBuffers === undefined ) {\n\n\t\t\tdata.arrayBuffers = {};\n\n\t\t}\n\n\t\t// generate UUID for array buffer if necessary\n\n\t\tif ( this.array.buffer._uuid === undefined ) {\n\n\t\t\tthis.array.buffer._uuid = generateUUID();\n\n\t\t}\n\n\t\tif ( data.arrayBuffers[ this.array.buffer._uuid ] === undefined ) {\n\n\t\t\tdata.arrayBuffers[ this.array.buffer._uuid ] = Array.prototype.slice.call( new Uint32Array( this.array.buffer ) );\n\n\t\t}\n\n\t\t//\n\n\t\treturn {\n\t\t\tuuid: this.uuid,\n\t\t\tbuffer: this.array.buffer._uuid,\n\t\t\ttype: this.array.constructor.name,\n\t\t\tstride: this.stride\n\t\t};\n\n\t}\n\n}\n\nInterleavedBuffer.prototype.isInterleavedBuffer = true;\n\nconst _vector$6 = /*@__PURE__*/ new Vector3();\n\nclass InterleavedBufferAttribute {\n\n\tconstructor( interleavedBuffer, itemSize, offset, normalized = false ) {\n\n\t\tthis.name = '';\n\n\t\tthis.data = interleavedBuffer;\n\t\tthis.itemSize = itemSize;\n\t\tthis.offset = offset;\n\n\t\tthis.normalized = normalized === true;\n\n\t}\n\n\tget count() {\n\n\t\treturn this.data.count;\n\n\t}\n\n\tget array() {\n\n\t\treturn this.data.array;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tthis.data.needsUpdate = value;\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tfor ( let i = 0, l = this.data.count; i < l; i ++ ) {\n\n\t\t\t_vector$6.x = this.getX( i );\n\t\t\t_vector$6.y = this.getY( i );\n\t\t\t_vector$6.z = this.getZ( i );\n\n\t\t\t_vector$6.applyMatrix4( m );\n\n\t\t\tthis.setXYZ( i, _vector$6.x, _vector$6.y, _vector$6.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyNormalMatrix( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$6.x = this.getX( i );\n\t\t\t_vector$6.y = this.getY( i );\n\t\t\t_vector$6.z = this.getZ( i );\n\n\t\t\t_vector$6.applyNormalMatrix( m );\n\n\t\t\tthis.setXYZ( i, _vector$6.x, _vector$6.y, _vector$6.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttransformDirection( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$6.x = this.getX( i );\n\t\t\t_vector$6.y = this.getY( i );\n\t\t\t_vector$6.z = this.getZ( i );\n\n\t\t\t_vector$6.transformDirection( m );\n\n\t\t\tthis.setXYZ( i, _vector$6.x, _vector$6.y, _vector$6.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetX( index, x ) {\n\n\t\tthis.data.array[ index * this.data.stride + this.offset ] = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( index, y ) {\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetZ( index, z ) {\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetW( index, w ) {\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tgetX( index ) {\n\n\t\treturn this.data.array[ index * this.data.stride + this.offset ];\n\n\t}\n\n\tgetY( index ) {\n\n\t\treturn this.data.array[ index * this.data.stride + this.offset + 1 ];\n\n\t}\n\n\tgetZ( index ) {\n\n\t\treturn this.data.array[ index * this.data.stride + this.offset + 2 ];\n\n\t}\n\n\tgetW( index ) {\n\n\t\treturn this.data.array[ index * this.data.stride + this.offset + 3 ];\n\n\t}\n\n\tsetXY( index, x, y ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZ( index, x, y, z ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\t\tthis.data.array[ index + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZW( index, x, y, z, w ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\t\tthis.data.array[ index + 2 ] = z;\n\t\tthis.data.array[ index + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tif ( data === undefined ) {\n\n\t\t\tconsole.log( 'THREE.InterleavedBufferAttribute.clone(): Cloning an interlaved buffer attribute will deinterleave buffer data.' );\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0; i < this.count; i ++ ) {\n\n\t\t\t\tconst index = i * this.data.stride + this.offset;\n\n\t\t\t\tfor ( let j = 0; j < this.itemSize; j ++ ) {\n\n\t\t\t\t\tarray.push( this.data.array[ index + j ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn new BufferAttribute( new this.array.constructor( array ), this.itemSize, this.normalized );\n\n\t\t} else {\n\n\t\t\tif ( data.interleavedBuffers === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers = {};\n\n\t\t\t}\n\n\t\t\tif ( data.interleavedBuffers[ this.data.uuid ] === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers[ this.data.uuid ] = this.data.clone( data );\n\n\t\t\t}\n\n\t\t\treturn new InterleavedBufferAttribute( data.interleavedBuffers[ this.data.uuid ], this.itemSize, this.offset, this.normalized );\n\n\t\t}\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tif ( data === undefined ) {\n\n\t\t\tconsole.log( 'THREE.InterleavedBufferAttribute.toJSON(): Serializing an interlaved buffer attribute will deinterleave buffer data.' );\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0; i < this.count; i ++ ) {\n\n\t\t\t\tconst index = i * this.data.stride + this.offset;\n\n\t\t\t\tfor ( let j = 0; j < this.itemSize; j ++ ) {\n\n\t\t\t\t\tarray.push( this.data.array[ index + j ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// deinterleave data and save it as an ordinary buffer attribute for now\n\n\t\t\treturn {\n\t\t\t\titemSize: this.itemSize,\n\t\t\t\ttype: this.array.constructor.name,\n\t\t\t\tarray: array,\n\t\t\t\tnormalized: this.normalized\n\t\t\t};\n\n\t\t} else {\n\n\t\t\t// save as true interlaved attribtue\n\n\t\t\tif ( data.interleavedBuffers === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers = {};\n\n\t\t\t}\n\n\t\t\tif ( data.interleavedBuffers[ this.data.uuid ] === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers[ this.data.uuid ] = this.data.toJSON( data );\n\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\tisInterleavedBufferAttribute: true,\n\t\t\t\titemSize: this.itemSize,\n\t\t\t\tdata: this.data.uuid,\n\t\t\t\toffset: this.offset,\n\t\t\t\tnormalized: this.normalized\n\t\t\t};\n\n\t\t}\n\n\t}\n\n}\n\nInterleavedBufferAttribute.prototype.isInterleavedBufferAttribute = true;\n\n/**\n * parameters = {\n * color: ,\n * map: new THREE.Texture( ),\n * alphaMap: new THREE.Texture( ),\n * rotation: ,\n * sizeAttenuation: \n * }\n */\n\nclass SpriteMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'SpriteMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.rotation = 0;\n\n\t\tthis.sizeAttenuation = true;\n\n\t\tthis.transparent = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.rotation = source.rotation;\n\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\treturn this;\n\n\t}\n\n}\n\nSpriteMaterial.prototype.isSpriteMaterial = true;\n\nlet _geometry;\n\nconst _intersectPoint = /*@__PURE__*/ new Vector3();\nconst _worldScale = /*@__PURE__*/ new Vector3();\nconst _mvPosition = /*@__PURE__*/ new Vector3();\n\nconst _alignedPosition = /*@__PURE__*/ new Vector2();\nconst _rotatedPosition = /*@__PURE__*/ new Vector2();\nconst _viewWorldMatrix = /*@__PURE__*/ new Matrix4();\n\nconst _vA = /*@__PURE__*/ new Vector3();\nconst _vB = /*@__PURE__*/ new Vector3();\nconst _vC = /*@__PURE__*/ new Vector3();\n\nconst _uvA = /*@__PURE__*/ new Vector2();\nconst _uvB = /*@__PURE__*/ new Vector2();\nconst _uvC = /*@__PURE__*/ new Vector2();\n\nclass Sprite extends Object3D {\n\n\tconstructor( material ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Sprite';\n\n\t\tif ( _geometry === undefined ) {\n\n\t\t\t_geometry = new BufferGeometry();\n\n\t\t\tconst float32Array = new Float32Array( [\n\t\t\t\t- 0.5, - 0.5, 0, 0, 0,\n\t\t\t\t0.5, - 0.5, 0, 1, 0,\n\t\t\t\t0.5, 0.5, 0, 1, 1,\n\t\t\t\t- 0.5, 0.5, 0, 0, 1\n\t\t\t] );\n\n\t\t\tconst interleavedBuffer = new InterleavedBuffer( float32Array, 5 );\n\n\t\t\t_geometry.setIndex( [ 0, 1, 2,\t0, 2, 3 ] );\n\t\t\t_geometry.setAttribute( 'position', new InterleavedBufferAttribute( interleavedBuffer, 3, 0, false ) );\n\t\t\t_geometry.setAttribute( 'uv', new InterleavedBufferAttribute( interleavedBuffer, 2, 3, false ) );\n\n\t\t}\n\n\t\tthis.geometry = _geometry;\n\t\tthis.material = ( material !== undefined ) ? material : new SpriteMaterial();\n\n\t\tthis.center = new Vector2( 0.5, 0.5 );\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tif ( raycaster.camera === null ) {\n\n\t\t\tconsole.error( 'THREE.Sprite: \"Raycaster.camera\" needs to be set in order to raycast against sprites.' );\n\n\t\t}\n\n\t\t_worldScale.setFromMatrixScale( this.matrixWorld );\n\n\t\t_viewWorldMatrix.copy( raycaster.camera.matrixWorld );\n\t\tthis.modelViewMatrix.multiplyMatrices( raycaster.camera.matrixWorldInverse, this.matrixWorld );\n\n\t\t_mvPosition.setFromMatrixPosition( this.modelViewMatrix );\n\n\t\tif ( raycaster.camera.isPerspectiveCamera && this.material.sizeAttenuation === false ) {\n\n\t\t\t_worldScale.multiplyScalar( - _mvPosition.z );\n\n\t\t}\n\n\t\tconst rotation = this.material.rotation;\n\t\tlet sin, cos;\n\n\t\tif ( rotation !== 0 ) {\n\n\t\t\tcos = Math.cos( rotation );\n\t\t\tsin = Math.sin( rotation );\n\n\t\t}\n\n\t\tconst center = this.center;\n\n\t\ttransformVertex( _vA.set( - 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\ttransformVertex( _vB.set( 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\ttransformVertex( _vC.set( 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\n\t\t_uvA.set( 0, 0 );\n\t\t_uvB.set( 1, 0 );\n\t\t_uvC.set( 1, 1 );\n\n\t\t// check first triangle\n\t\tlet intersect = raycaster.ray.intersectTriangle( _vA, _vB, _vC, false, _intersectPoint );\n\n\t\tif ( intersect === null ) {\n\n\t\t\t// check second triangle\n\t\t\ttransformVertex( _vB.set( - 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\t\t_uvB.set( 0, 1 );\n\n\t\t\tintersect = raycaster.ray.intersectTriangle( _vA, _vC, _vB, false, _intersectPoint );\n\t\t\tif ( intersect === null ) {\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst distance = raycaster.ray.origin.distanceTo( _intersectPoint );\n\n\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\tintersects.push( {\n\n\t\t\tdistance: distance,\n\t\t\tpoint: _intersectPoint.clone(),\n\t\t\tuv: Triangle.getUV( _intersectPoint, _vA, _vB, _vC, _uvA, _uvB, _uvC, new Vector2() ),\n\t\t\tface: null,\n\t\t\tobject: this\n\n\t\t} );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tif ( source.center !== undefined ) this.center.copy( source.center );\n\n\t\tthis.material = source.material;\n\n\t\treturn this;\n\n\t}\n\n}\n\nSprite.prototype.isSprite = true;\n\nfunction transformVertex( vertexPosition, mvPosition, center, scale, sin, cos ) {\n\n\t// compute position in camera space\n\t_alignedPosition.subVectors( vertexPosition, center ).addScalar( 0.5 ).multiply( scale );\n\n\t// to check if rotation is not zero\n\tif ( sin !== undefined ) {\n\n\t\t_rotatedPosition.x = ( cos * _alignedPosition.x ) - ( sin * _alignedPosition.y );\n\t\t_rotatedPosition.y = ( sin * _alignedPosition.x ) + ( cos * _alignedPosition.y );\n\n\t} else {\n\n\t\t_rotatedPosition.copy( _alignedPosition );\n\n\t}\n\n\n\tvertexPosition.copy( mvPosition );\n\tvertexPosition.x += _rotatedPosition.x;\n\tvertexPosition.y += _rotatedPosition.y;\n\n\t// transform to world space\n\tvertexPosition.applyMatrix4( _viewWorldMatrix );\n\n}\n\nconst _v1$2 = /*@__PURE__*/ new Vector3();\nconst _v2$1 = /*@__PURE__*/ new Vector3();\n\nclass LOD extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis._currentLevel = 0;\n\n\t\tthis.type = 'LOD';\n\n\t\tObject.defineProperties( this, {\n\t\t\tlevels: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: []\n\t\t\t},\n\t\t\tisLOD: {\n\t\t\t\tvalue: true,\n\t\t\t}\n\t\t} );\n\n\t\tthis.autoUpdate = true;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source, false );\n\n\t\tconst levels = source.levels;\n\n\t\tfor ( let i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\tconst level = levels[ i ];\n\n\t\t\tthis.addLevel( level.object.clone(), level.distance );\n\n\t\t}\n\n\t\tthis.autoUpdate = source.autoUpdate;\n\n\t\treturn this;\n\n\t}\n\n\taddLevel( object, distance = 0 ) {\n\n\t\tdistance = Math.abs( distance );\n\n\t\tconst levels = this.levels;\n\n\t\tlet l;\n\n\t\tfor ( l = 0; l < levels.length; l ++ ) {\n\n\t\t\tif ( distance < levels[ l ].distance ) {\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tlevels.splice( l, 0, { distance: distance, object: object } );\n\n\t\tthis.add( object );\n\n\t\treturn this;\n\n\t}\n\n\tgetCurrentLevel() {\n\n\t\treturn this._currentLevel;\n\n\t}\n\n\tgetObjectForDistance( distance ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 0 ) {\n\n\t\t\tlet i, l;\n\n\t\t\tfor ( i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tif ( distance < levels[ i ].distance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn levels[ i - 1 ].object;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 0 ) {\n\n\t\t\t_v1$2.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\tconst distance = raycaster.ray.origin.distanceTo( _v1$2 );\n\n\t\t\tthis.getObjectForDistance( distance ).raycast( raycaster, intersects );\n\n\t\t}\n\n\t}\n\n\tupdate( camera ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 1 ) {\n\n\t\t\t_v1$2.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t_v2$1.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\tconst distance = _v1$2.distanceTo( _v2$1 ) / camera.zoom;\n\n\t\t\tlevels[ 0 ].object.visible = true;\n\n\t\t\tlet i, l;\n\n\t\t\tfor ( i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tif ( distance >= levels[ i ].distance ) {\n\n\t\t\t\t\tlevels[ i - 1 ].object.visible = false;\n\t\t\t\t\tlevels[ i ].object.visible = true;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._currentLevel = i - 1;\n\n\t\t\tfor ( ; i < l; i ++ ) {\n\n\t\t\t\tlevels[ i ].object.visible = false;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tif ( this.autoUpdate === false ) data.object.autoUpdate = false;\n\n\t\tdata.object.levels = [];\n\n\t\tconst levels = this.levels;\n\n\t\tfor ( let i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\tconst level = levels[ i ];\n\n\t\t\tdata.object.levels.push( {\n\t\t\t\tobject: level.object.uuid,\n\t\t\t\tdistance: level.distance\n\t\t\t} );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n}\n\nconst _basePosition = /*@__PURE__*/ new Vector3();\n\nconst _skinIndex = /*@__PURE__*/ new Vector4();\nconst _skinWeight = /*@__PURE__*/ new Vector4();\n\nconst _vector$5 = /*@__PURE__*/ new Vector3();\nconst _matrix = /*@__PURE__*/ new Matrix4();\n\nclass SkinnedMesh extends Mesh {\n\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'SkinnedMesh';\n\n\t\tthis.bindMode = 'attached';\n\t\tthis.bindMatrix = new Matrix4();\n\t\tthis.bindMatrixInverse = new Matrix4();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.bindMode = source.bindMode;\n\t\tthis.bindMatrix.copy( source.bindMatrix );\n\t\tthis.bindMatrixInverse.copy( source.bindMatrixInverse );\n\n\t\tthis.skeleton = source.skeleton;\n\n\t\treturn this;\n\n\t}\n\n\tbind( skeleton, bindMatrix ) {\n\n\t\tthis.skeleton = skeleton;\n\n\t\tif ( bindMatrix === undefined ) {\n\n\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\tthis.skeleton.calculateInverses();\n\n\t\t\tbindMatrix = this.matrixWorld;\n\n\t\t}\n\n\t\tthis.bindMatrix.copy( bindMatrix );\n\t\tthis.bindMatrixInverse.copy( bindMatrix ).invert();\n\n\t}\n\n\tpose() {\n\n\t\tthis.skeleton.pose();\n\n\t}\n\n\tnormalizeSkinWeights() {\n\n\t\tconst vector = new Vector4();\n\n\t\tconst skinWeight = this.geometry.attributes.skinWeight;\n\n\t\tfor ( let i = 0, l = skinWeight.count; i < l; i ++ ) {\n\n\t\t\tvector.x = skinWeight.getX( i );\n\t\t\tvector.y = skinWeight.getY( i );\n\t\t\tvector.z = skinWeight.getZ( i );\n\t\t\tvector.w = skinWeight.getW( i );\n\n\t\t\tconst scale = 1.0 / vector.manhattanLength();\n\n\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\tvector.multiplyScalar( scale );\n\n\t\t\t} else {\n\n\t\t\t\tvector.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t}\n\n\t\t\tskinWeight.setXYZW( i, vector.x, vector.y, vector.z, vector.w );\n\n\t\t}\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tif ( this.bindMode === 'attached' ) {\n\n\t\t\tthis.bindMatrixInverse.copy( this.matrixWorld ).invert();\n\n\t\t} else if ( this.bindMode === 'detached' ) {\n\n\t\t\tthis.bindMatrixInverse.copy( this.bindMatrix ).invert();\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.SkinnedMesh: Unrecognized bindMode: ' + this.bindMode );\n\n\t\t}\n\n\t}\n\n\tboneTransform( index, target ) {\n\n\t\tconst skeleton = this.skeleton;\n\t\tconst geometry = this.geometry;\n\n\t\t_skinIndex.fromBufferAttribute( geometry.attributes.skinIndex, index );\n\t\t_skinWeight.fromBufferAttribute( geometry.attributes.skinWeight, index );\n\n\t\t_basePosition.copy( target ).applyMatrix4( this.bindMatrix );\n\n\t\ttarget.set( 0, 0, 0 );\n\n\t\tfor ( let i = 0; i < 4; i ++ ) {\n\n\t\t\tconst weight = _skinWeight.getComponent( i );\n\n\t\t\tif ( weight !== 0 ) {\n\n\t\t\t\tconst boneIndex = _skinIndex.getComponent( i );\n\n\t\t\t\t_matrix.multiplyMatrices( skeleton.bones[ boneIndex ].matrixWorld, skeleton.boneInverses[ boneIndex ] );\n\n\t\t\t\ttarget.addScaledVector( _vector$5.copy( _basePosition ).applyMatrix4( _matrix ), weight );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn target.applyMatrix4( this.bindMatrixInverse );\n\n\t}\n\n}\n\nSkinnedMesh.prototype.isSkinnedMesh = true;\n\nclass Bone extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'Bone';\n\n\t}\n\n}\n\nBone.prototype.isBone = true;\n\nclass DataTexture extends Texture {\n\n\tconstructor( data = null, width = 1, height = 1, format, type, mapping, wrapS, wrapT, magFilter = NearestFilter, minFilter = NearestFilter, anisotropy, encoding ) {\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { data: data, width: width, height: height };\n\n\t\tthis.magFilter = magFilter;\n\t\tthis.minFilter = minFilter;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nDataTexture.prototype.isDataTexture = true;\n\nconst _offsetMatrix = /*@__PURE__*/ new Matrix4();\nconst _identityMatrix = /*@__PURE__*/ new Matrix4();\n\nclass Skeleton {\n\n\tconstructor( bones = [], boneInverses = [] ) {\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.bones = bones.slice( 0 );\n\t\tthis.boneInverses = boneInverses;\n\t\tthis.boneMatrices = null;\n\n\t\tthis.boneTexture = null;\n\t\tthis.boneTextureSize = 0;\n\n\t\tthis.frame = - 1;\n\n\t\tthis.init();\n\n\t}\n\n\tinit() {\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\n\t\tthis.boneMatrices = new Float32Array( bones.length * 16 );\n\n\t\t// calculate inverse bone matrices if necessary\n\n\t\tif ( boneInverses.length === 0 ) {\n\n\t\t\tthis.calculateInverses();\n\n\t\t} else {\n\n\t\t\t// handle special case\n\n\t\t\tif ( bones.length !== boneInverses.length ) {\n\n\t\t\t\tconsole.warn( 'THREE.Skeleton: Number of inverse bone matrices does not match amount of bones.' );\n\n\t\t\t\tthis.boneInverses = [];\n\n\t\t\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\t\t\tthis.boneInverses.push( new Matrix4() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcalculateInverses() {\n\n\t\tthis.boneInverses.length = 0;\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst inverse = new Matrix4();\n\n\t\t\tif ( this.bones[ i ] ) {\n\n\t\t\t\tinverse.copy( this.bones[ i ].matrixWorld ).invert();\n\n\t\t\t}\n\n\t\t\tthis.boneInverses.push( inverse );\n\n\t\t}\n\n\t}\n\n\tpose() {\n\n\t\t// recover the bind-time world matrices\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone ) {\n\n\t\t\t\tbone.matrixWorld.copy( this.boneInverses[ i ] ).invert();\n\n\t\t\t}\n\n\t\t}\n\n\t\t// compute the local matrices, positions, rotations and scales\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone ) {\n\n\t\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\t\tbone.matrix.copy( bone.parent.matrixWorld ).invert();\n\t\t\t\t\tbone.matrix.multiply( bone.matrixWorld );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbone.matrix.copy( bone.matrixWorld );\n\n\t\t\t\t}\n\n\t\t\t\tbone.matrix.decompose( bone.position, bone.quaternion, bone.scale );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tupdate() {\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\t\tconst boneMatrices = this.boneMatrices;\n\t\tconst boneTexture = this.boneTexture;\n\n\t\t// flatten bone matrices to array\n\n\t\tfor ( let i = 0, il = bones.length; i < il; i ++ ) {\n\n\t\t\t// compute the offset between the current and the original transform\n\n\t\t\tconst matrix = bones[ i ] ? bones[ i ].matrixWorld : _identityMatrix;\n\n\t\t\t_offsetMatrix.multiplyMatrices( matrix, boneInverses[ i ] );\n\t\t\t_offsetMatrix.toArray( boneMatrices, i * 16 );\n\n\t\t}\n\n\t\tif ( boneTexture !== null ) {\n\n\t\t\tboneTexture.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new Skeleton( this.bones, this.boneInverses );\n\n\t}\n\n\tcomputeBoneTexture() {\n\n\t\t// layout (1 matrix = 4 pixels)\n\t\t// RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4)\n\t\t// with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8)\n\t\t// 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16)\n\t\t// 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32)\n\t\t// 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64)\n\n\t\tlet size = Math.sqrt( this.bones.length * 4 ); // 4 pixels needed for 1 matrix\n\t\tsize = ceilPowerOfTwo( size );\n\t\tsize = Math.max( size, 4 );\n\n\t\tconst boneMatrices = new Float32Array( size * size * 4 ); // 4 floats per RGBA pixel\n\t\tboneMatrices.set( this.boneMatrices ); // copy current values\n\n\t\tconst boneTexture = new DataTexture( boneMatrices, size, size, RGBAFormat, FloatType );\n\n\t\tthis.boneMatrices = boneMatrices;\n\t\tthis.boneTexture = boneTexture;\n\t\tthis.boneTextureSize = size;\n\n\t\treturn this;\n\n\t}\n\n\tgetBoneByName( name ) {\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone.name === name ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn undefined;\n\n\t}\n\n\tdispose( ) {\n\n\t\tif ( this.boneTexture !== null ) {\n\n\t\t\tthis.boneTexture.dispose();\n\n\t\t\tthis.boneTexture = null;\n\n\t\t}\n\n\t}\n\n\tfromJSON( json, bones ) {\n\n\t\tthis.uuid = json.uuid;\n\n\t\tfor ( let i = 0, l = json.bones.length; i < l; i ++ ) {\n\n\t\t\tconst uuid = json.bones[ i ];\n\t\t\tlet bone = bones[ uuid ];\n\n\t\t\tif ( bone === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Skeleton: No bone found with UUID:', uuid );\n\t\t\t\tbone = new Bone();\n\n\t\t\t}\n\n\t\t\tthis.bones.push( bone );\n\t\t\tthis.boneInverses.push( new Matrix4().fromArray( json.boneInverses[ i ] ) );\n\n\t\t}\n\n\t\tthis.init();\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Skeleton',\n\t\t\t\tgenerator: 'Skeleton.toJSON'\n\t\t\t},\n\t\t\tbones: [],\n\t\t\tboneInverses: []\n\t\t};\n\n\t\tdata.uuid = this.uuid;\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\n\t\tfor ( let i = 0, l = bones.length; i < l; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\t\t\tdata.bones.push( bone.uuid );\n\n\t\t\tconst boneInverse = boneInverses[ i ];\n\t\t\tdata.boneInverses.push( boneInverse.toArray() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass InstancedBufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized, meshPerAttribute = 1 ) {\n\n\t\tif ( typeof normalized === 'number' ) {\n\n\t\t\tmeshPerAttribute = normalized;\n\n\t\t\tnormalized = false;\n\n\t\t\tconsole.error( 'THREE.InstancedBufferAttribute: The constructor now expects normalized as the third argument.' );\n\n\t\t}\n\n\t\tsuper( array, itemSize, normalized );\n\n\t\tthis.meshPerAttribute = meshPerAttribute;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.meshPerAttribute = this.meshPerAttribute;\n\n\t\tdata.isInstancedBufferAttribute = true;\n\n\t\treturn data;\n\n\t}\n\n}\n\nInstancedBufferAttribute.prototype.isInstancedBufferAttribute = true;\n\nconst _instanceLocalMatrix = /*@__PURE__*/ new Matrix4();\nconst _instanceWorldMatrix = /*@__PURE__*/ new Matrix4();\n\nconst _instanceIntersects = [];\n\nconst _mesh = /*@__PURE__*/ new Mesh();\n\nclass InstancedMesh extends Mesh {\n\n\tconstructor( geometry, material, count ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.instanceMatrix = new InstancedBufferAttribute( new Float32Array( count * 16 ), 16 );\n\t\tthis.instanceColor = null;\n\n\t\tthis.count = count;\n\n\t\tthis.frustumCulled = false;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.instanceMatrix.copy( source.instanceMatrix );\n\n\t\tif ( source.instanceColor !== null ) this.instanceColor = source.instanceColor.clone();\n\n\t\tthis.count = source.count;\n\n\t\treturn this;\n\n\t}\n\n\tgetColorAt( index, color ) {\n\n\t\tcolor.fromArray( this.instanceColor.array, index * 3 );\n\n\t}\n\n\tgetMatrixAt( index, matrix ) {\n\n\t\tmatrix.fromArray( this.instanceMatrix.array, index * 16 );\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst raycastTimes = this.count;\n\n\t\t_mesh.geometry = this.geometry;\n\t\t_mesh.material = this.material;\n\n\t\tif ( _mesh.material === undefined ) return;\n\n\t\tfor ( let instanceId = 0; instanceId < raycastTimes; instanceId ++ ) {\n\n\t\t\t// calculate the world matrix for each instance\n\n\t\t\tthis.getMatrixAt( instanceId, _instanceLocalMatrix );\n\n\t\t\t_instanceWorldMatrix.multiplyMatrices( matrixWorld, _instanceLocalMatrix );\n\n\t\t\t// the mesh represents this single instance\n\n\t\t\t_mesh.matrixWorld = _instanceWorldMatrix;\n\n\t\t\t_mesh.raycast( raycaster, _instanceIntersects );\n\n\t\t\t// process the result of raycast\n\n\t\t\tfor ( let i = 0, l = _instanceIntersects.length; i < l; i ++ ) {\n\n\t\t\t\tconst intersect = _instanceIntersects[ i ];\n\t\t\t\tintersect.instanceId = instanceId;\n\t\t\t\tintersect.object = this;\n\t\t\t\tintersects.push( intersect );\n\n\t\t\t}\n\n\t\t\t_instanceIntersects.length = 0;\n\n\t\t}\n\n\t}\n\n\tsetColorAt( index, color ) {\n\n\t\tif ( this.instanceColor === null ) {\n\n\t\t\tthis.instanceColor = new InstancedBufferAttribute( new Float32Array( this.instanceMatrix.count * 3 ), 3 );\n\n\t\t}\n\n\t\tcolor.toArray( this.instanceColor.array, index * 3 );\n\n\t}\n\n\tsetMatrixAt( index, matrix ) {\n\n\t\tmatrix.toArray( this.instanceMatrix.array, index * 16 );\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n}\n\nInstancedMesh.prototype.isInstancedMesh = true;\n\n/**\n * parameters = {\n * color: ,\n * opacity: ,\n *\n * linewidth: ,\n * linecap: \"round\",\n * linejoin: \"round\"\n * }\n */\n\nclass LineBasicMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LineBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.linewidth = 1;\n\t\tthis.linecap = 'round';\n\t\tthis.linejoin = 'round';\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.linewidth = source.linewidth;\n\t\tthis.linecap = source.linecap;\n\t\tthis.linejoin = source.linejoin;\n\n\t\treturn this;\n\n\t}\n\n}\n\nLineBasicMaterial.prototype.isLineBasicMaterial = true;\n\nconst _start$1 = /*@__PURE__*/ new Vector3();\nconst _end$1 = /*@__PURE__*/ new Vector3();\nconst _inverseMatrix$1 = /*@__PURE__*/ new Matrix4();\nconst _ray$1 = /*@__PURE__*/ new Ray();\nconst _sphere$1 = /*@__PURE__*/ new Sphere();\n\nclass Line extends Object3D {\n\n\tconstructor( geometry = new BufferGeometry(), material = new LineBasicMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Line';\n\n\t\tthis.geometry = geometry;\n\t\tthis.material = material;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.material = source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\tcomputeLineDistances() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\t// we assume non-indexed geometry\n\n\t\t\tif ( geometry.index === null ) {\n\n\t\t\t\tconst positionAttribute = geometry.attributes.position;\n\t\t\t\tconst lineDistances = [ 0 ];\n\n\t\t\t\tfor ( let i = 1, l = positionAttribute.count; i < l; i ++ ) {\n\n\t\t\t\t\t_start$1.fromBufferAttribute( positionAttribute, i - 1 );\n\t\t\t\t\t_end$1.fromBufferAttribute( positionAttribute, i );\n\n\t\t\t\t\tlineDistances[ i ] = lineDistances[ i - 1 ];\n\t\t\t\t\tlineDistances[ i ] += _start$1.distanceTo( _end$1 );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' );\n\n\t\t\t}\n\n\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\tconsole.error( 'THREE.Line.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst threshold = raycaster.params.Line.threshold;\n\t\tconst drawRange = geometry.drawRange;\n\n\t\t// Checking boundingSphere distance to ray\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere$1.copy( geometry.boundingSphere );\n\t\t_sphere$1.applyMatrix4( matrixWorld );\n\t\t_sphere$1.radius += threshold;\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere$1 ) === false ) return;\n\n\t\t//\n\n\t\t_inverseMatrix$1.copy( matrixWorld ).invert();\n\t\t_ray$1.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$1 );\n\n\t\tconst localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\tconst localThresholdSq = localThreshold * localThreshold;\n\n\t\tconst vStart = new Vector3();\n\t\tconst vEnd = new Vector3();\n\t\tconst interSegment = new Vector3();\n\t\tconst interRay = new Vector3();\n\t\tconst step = this.isLineSegments ? 2 : 1;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst index = geometry.index;\n\t\t\tconst attributes = geometry.attributes;\n\t\t\tconst positionAttribute = attributes.position;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, l = end - 1; i < l; i += step ) {\n\n\t\t\t\t\tconst a = index.getX( i );\n\t\t\t\t\tconst b = index.getX( i + 1 );\n\n\t\t\t\t\tvStart.fromBufferAttribute( positionAttribute, a );\n\t\t\t\t\tvEnd.fromBufferAttribute( positionAttribute, b );\n\n\t\t\t\t\tconst distSq = _ray$1.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\tif ( distSq > localThresholdSq ) continue;\n\n\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\tconst distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\tface: null,\n\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, l = end - 1; i < l; i += step ) {\n\n\t\t\t\t\tvStart.fromBufferAttribute( positionAttribute, i );\n\t\t\t\t\tvEnd.fromBufferAttribute( positionAttribute, i + 1 );\n\n\t\t\t\t\tconst distSq = _ray$1.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\tif ( distSq > localThresholdSq ) continue;\n\n\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\tconst distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\tface: null,\n\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\tconsole.error( 'THREE.Line.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t}\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst morphAttributes = geometry.morphAttributes;\n\t\t\tconst keys = Object.keys( morphAttributes );\n\n\t\t\tif ( keys.length > 0 ) {\n\n\t\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst morphTargets = geometry.morphTargets;\n\n\t\t\tif ( morphTargets !== undefined && morphTargets.length > 0 ) {\n\n\t\t\t\tconsole.error( 'THREE.Line.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nLine.prototype.isLine = true;\n\nconst _start = /*@__PURE__*/ new Vector3();\nconst _end = /*@__PURE__*/ new Vector3();\n\nclass LineSegments extends Line {\n\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'LineSegments';\n\n\t}\n\n\tcomputeLineDistances() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\t// we assume non-indexed geometry\n\n\t\t\tif ( geometry.index === null ) {\n\n\t\t\t\tconst positionAttribute = geometry.attributes.position;\n\t\t\t\tconst lineDistances = [];\n\n\t\t\t\tfor ( let i = 0, l = positionAttribute.count; i < l; i += 2 ) {\n\n\t\t\t\t\t_start.fromBufferAttribute( positionAttribute, i );\n\t\t\t\t\t_end.fromBufferAttribute( positionAttribute, i + 1 );\n\n\t\t\t\t\tlineDistances[ i ] = ( i === 0 ) ? 0 : lineDistances[ i - 1 ];\n\t\t\t\t\tlineDistances[ i + 1 ] = lineDistances[ i ] + _start.distanceTo( _end );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' );\n\n\t\t\t}\n\n\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\tconsole.error( 'THREE.LineSegments.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nLineSegments.prototype.isLineSegments = true;\n\nclass LineLoop extends Line {\n\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'LineLoop';\n\n\t}\n\n}\n\nLineLoop.prototype.isLineLoop = true;\n\n/**\n * parameters = {\n * color: ,\n * opacity: ,\n * map: new THREE.Texture( ),\n * alphaMap: new THREE.Texture( ),\n *\n * size: ,\n * sizeAttenuation: \n *\n * }\n */\n\nclass PointsMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'PointsMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.size = 1;\n\t\tthis.sizeAttenuation = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.size = source.size;\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\treturn this;\n\n\t}\n\n}\n\nPointsMaterial.prototype.isPointsMaterial = true;\n\nconst _inverseMatrix = /*@__PURE__*/ new Matrix4();\nconst _ray = /*@__PURE__*/ new Ray();\nconst _sphere = /*@__PURE__*/ new Sphere();\nconst _position$2 = /*@__PURE__*/ new Vector3();\n\nclass Points extends Object3D {\n\n\tconstructor( geometry = new BufferGeometry(), material = new PointsMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Points';\n\n\t\tthis.geometry = geometry;\n\t\tthis.material = material;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.material = source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst threshold = raycaster.params.Points.threshold;\n\t\tconst drawRange = geometry.drawRange;\n\n\t\t// Checking boundingSphere distance to ray\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere.copy( geometry.boundingSphere );\n\t\t_sphere.applyMatrix4( matrixWorld );\n\t\t_sphere.radius += threshold;\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere ) === false ) return;\n\n\t\t//\n\n\t\t_inverseMatrix.copy( matrixWorld ).invert();\n\t\t_ray.copy( raycaster.ray ).applyMatrix4( _inverseMatrix );\n\n\t\tconst localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\tconst localThresholdSq = localThreshold * localThreshold;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst index = geometry.index;\n\t\t\tconst attributes = geometry.attributes;\n\t\t\tconst positionAttribute = attributes.position;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, il = end; i < il; i ++ ) {\n\n\t\t\t\t\tconst a = index.getX( i );\n\n\t\t\t\t\t_position$2.fromBufferAttribute( positionAttribute, a );\n\n\t\t\t\t\ttestPoint( _position$2, a, localThresholdSq, matrixWorld, raycaster, intersects, this );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, l = end; i < l; i ++ ) {\n\n\t\t\t\t\t_position$2.fromBufferAttribute( positionAttribute, i );\n\n\t\t\t\t\ttestPoint( _position$2, i, localThresholdSq, matrixWorld, raycaster, intersects, this );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconsole.error( 'THREE.Points.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t}\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst morphAttributes = geometry.morphAttributes;\n\t\t\tconst keys = Object.keys( morphAttributes );\n\n\t\t\tif ( keys.length > 0 ) {\n\n\t\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst morphTargets = geometry.morphTargets;\n\n\t\t\tif ( morphTargets !== undefined && morphTargets.length > 0 ) {\n\n\t\t\t\tconsole.error( 'THREE.Points.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nPoints.prototype.isPoints = true;\n\nfunction testPoint( point, index, localThresholdSq, matrixWorld, raycaster, intersects, object ) {\n\n\tconst rayPointDistanceSq = _ray.distanceSqToPoint( point );\n\n\tif ( rayPointDistanceSq < localThresholdSq ) {\n\n\t\tconst intersectPoint = new Vector3();\n\n\t\t_ray.closestPointToPoint( point, intersectPoint );\n\t\tintersectPoint.applyMatrix4( matrixWorld );\n\n\t\tconst distance = raycaster.ray.origin.distanceTo( intersectPoint );\n\n\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\tintersects.push( {\n\n\t\t\tdistance: distance,\n\t\t\tdistanceToRay: Math.sqrt( rayPointDistanceSq ),\n\t\t\tpoint: intersectPoint,\n\t\t\tindex: index,\n\t\t\tface: null,\n\t\t\tobject: object\n\n\t\t} );\n\n\t}\n\n}\n\nclass VideoTexture extends Texture {\n\n\tconstructor( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tsuper( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.format = format !== undefined ? format : RGBFormat;\n\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : LinearFilter;\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : LinearFilter;\n\n\t\tthis.generateMipmaps = false;\n\n\t\tconst scope = this;\n\n\t\tfunction updateVideo() {\n\n\t\t\tscope.needsUpdate = true;\n\t\t\tvideo.requestVideoFrameCallback( updateVideo );\n\n\t\t}\n\n\t\tif ( 'requestVideoFrameCallback' in video ) {\n\n\t\t\tvideo.requestVideoFrameCallback( updateVideo );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.image ).copy( this );\n\n\t}\n\n\tupdate() {\n\n\t\tconst video = this.image;\n\t\tconst hasVideoFrameCallback = 'requestVideoFrameCallback' in video;\n\n\t\tif ( hasVideoFrameCallback === false && video.readyState >= video.HAVE_CURRENT_DATA ) {\n\n\t\t\tthis.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n}\n\nVideoTexture.prototype.isVideoTexture = true;\n\nclass CompressedTexture extends Texture {\n\n\tconstructor( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { width: width, height: height };\n\t\tthis.mipmaps = mipmaps;\n\n\t\t// no flipping for cube textures\n\t\t// (also flipping doesn't work for compressed textures )\n\n\t\tthis.flipY = false;\n\n\t\t// can't generate mipmaps for compressed textures\n\t\t// mips must be embedded in DDS files\n\n\t\tthis.generateMipmaps = false;\n\n\t}\n\n}\n\nCompressedTexture.prototype.isCompressedTexture = true;\n\nclass CanvasTexture extends Texture {\n\n\tconstructor( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tsuper( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nCanvasTexture.prototype.isCanvasTexture = true;\n\nclass CircleGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, segments = 8, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CircleGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tsegments = Math.max( 3, segments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\n\t\t// center point\n\n\t\tvertices.push( 0, 0, 0 );\n\t\tnormals.push( 0, 0, 1 );\n\t\tuvs.push( 0.5, 0.5 );\n\n\t\tfor ( let s = 0, i = 3; s <= segments; s ++, i += 3 ) {\n\n\t\t\tconst segment = thetaStart + s / segments * thetaLength;\n\n\t\t\t// vertex\n\n\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\tvertex.y = radius * Math.sin( segment );\n\n\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t// normal\n\n\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t// uvs\n\n\t\t\tuv.x = ( vertices[ i ] / radius + 1 ) / 2;\n\t\t\tuv.y = ( vertices[ i + 1 ] / radius + 1 ) / 2;\n\n\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\tindices.push( i, i + 1, 0 );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new CircleGeometry( data.radius, data.segments, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass CylinderGeometry extends BufferGeometry {\n\n\tconstructor( radiusTop = 1, radiusBottom = 1, height = 1, radialSegments = 8, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\t\tthis.type = 'CylinderGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tconst scope = this;\n\n\t\tradialSegments = Math.floor( radialSegments );\n\t\theightSegments = Math.floor( heightSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet index = 0;\n\t\tconst indexArray = [];\n\t\tconst halfHeight = height / 2;\n\t\tlet groupStart = 0;\n\n\t\t// generate geometry\n\n\t\tgenerateTorso();\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) generateCap( true );\n\t\t\tif ( radiusBottom > 0 ) generateCap( false );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\tfunction generateTorso() {\n\n\t\t\tconst normal = new Vector3();\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tlet groupCount = 0;\n\n\t\t\t// this will be used to calculate the normal\n\t\t\tconst slope = ( radiusBottom - radiusTop ) / height;\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( let y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\t\tconst indexRow = [];\n\n\t\t\t\tconst v = y / heightSegments;\n\n\t\t\t\t// calculate the radius of the current row\n\n\t\t\t\tconst radius = v * ( radiusBottom - radiusTop ) + radiusTop;\n\n\t\t\t\tfor ( let x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\t\tconst u = x / radialSegments;\n\n\t\t\t\t\tconst theta = u * thetaLength + thetaStart;\n\n\t\t\t\t\tconst sinTheta = Math.sin( theta );\n\t\t\t\t\tconst cosTheta = Math.cos( theta );\n\n\t\t\t\t\t// vertex\n\n\t\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\t\tvertex.y = - v * height + halfHeight;\n\t\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t\t// normal\n\n\t\t\t\t\tnormal.set( sinTheta, slope, cosTheta ).normalize();\n\t\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t\t// uv\n\n\t\t\t\t\tuvs.push( u, 1 - v );\n\n\t\t\t\t\t// save index of vertex in respective row\n\n\t\t\t\t\tindexRow.push( index ++ );\n\n\t\t\t\t}\n\n\t\t\t\t// now save vertices of the row in our index array\n\n\t\t\t\tindexArray.push( indexRow );\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( let x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tfor ( let y = 0; y < heightSegments; y ++ ) {\n\n\t\t\t\t\t// we use the index array to access the correct indices\n\n\t\t\t\t\tconst a = indexArray[ y ][ x ];\n\t\t\t\t\tconst b = indexArray[ y + 1 ][ x ];\n\t\t\t\t\tconst c = indexArray[ y + 1 ][ x + 1 ];\n\t\t\t\t\tconst d = indexArray[ y ][ x + 1 ];\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t\t// update group counter\n\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, 0 );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t\tfunction generateCap( top ) {\n\n\t\t\t// save the index of the first center vertex\n\t\t\tconst centerIndexStart = index;\n\n\t\t\tconst uv = new Vector2();\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tlet groupCount = 0;\n\n\t\t\tconst radius = ( top === true ) ? radiusTop : radiusBottom;\n\t\t\tconst sign = ( top === true ) ? 1 : - 1;\n\n\t\t\t// first we generate the center vertex data of the cap.\n\t\t\t// because the geometry needs one set of uvs per face,\n\t\t\t// we must generate a center vertex per face/segment\n\n\t\t\tfor ( let x = 1; x <= radialSegments; x ++ ) {\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertices.push( 0, halfHeight * sign, 0 );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, sign, 0 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( 0.5, 0.5 );\n\n\t\t\t\t// increase index\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// save the index of the last center vertex\n\t\t\tconst centerIndexEnd = index;\n\n\t\t\t// now we generate the surrounding vertices, normals and uvs\n\n\t\t\tfor ( let x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\tconst u = x / radialSegments;\n\t\t\t\tconst theta = u * thetaLength + thetaStart;\n\n\t\t\t\tconst cosTheta = Math.cos( theta );\n\t\t\t\tconst sinTheta = Math.sin( theta );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\tvertex.y = halfHeight * sign;\n\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, sign, 0 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = ( cosTheta * 0.5 ) + 0.5;\n\t\t\t\tuv.y = ( sinTheta * 0.5 * sign ) + 0.5;\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t// increase index\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( let x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tconst c = centerIndexStart + x;\n\t\t\t\tconst i = centerIndexEnd + x;\n\n\t\t\t\tif ( top === true ) {\n\n\t\t\t\t\t// face top\n\n\t\t\t\t\tindices.push( i, i + 1, c );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// face bottom\n\n\t\t\t\t\tindices.push( i + 1, i, c );\n\n\t\t\t\t}\n\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, top === true ? 1 : 2 );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new CylinderGeometry( data.radiusTop, data.radiusBottom, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass ConeGeometry extends CylinderGeometry {\n\n\tconstructor( radius = 1, height = 1, radialSegments = 8, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper( 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new ConeGeometry( data.radius, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass PolyhedronGeometry extends BufferGeometry {\n\n\tconstructor( vertices = [], indices = [], radius = 1, detail = 0 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'PolyhedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\t// default buffer data\n\n\t\tconst vertexBuffer = [];\n\t\tconst uvBuffer = [];\n\n\t\t// the subdivision creates the vertex buffer data\n\n\t\tsubdivide( detail );\n\n\t\t// all vertices should lie on a conceptual sphere with a given radius\n\n\t\tapplyRadius( radius );\n\n\t\t// finally, create the uv data\n\n\t\tgenerateUVs();\n\n\t\t// build non-indexed geometry\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertexBuffer, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( vertexBuffer.slice(), 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvBuffer, 2 ) );\n\n\t\tif ( detail === 0 ) {\n\n\t\t\tthis.computeVertexNormals(); // flat normals\n\n\t\t} else {\n\n\t\t\tthis.normalizeNormals(); // smooth normals\n\n\t\t}\n\n\t\t// helper functions\n\n\t\tfunction subdivide( detail ) {\n\n\t\t\tconst a = new Vector3();\n\t\t\tconst b = new Vector3();\n\t\t\tconst c = new Vector3();\n\n\t\t\t// iterate over all faces and apply a subdivison with the given detail value\n\n\t\t\tfor ( let i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t// get the vertices of the face\n\n\t\t\t\tgetVertexByIndex( indices[ i + 0 ], a );\n\t\t\t\tgetVertexByIndex( indices[ i + 1 ], b );\n\t\t\t\tgetVertexByIndex( indices[ i + 2 ], c );\n\n\t\t\t\t// perform subdivision\n\n\t\t\t\tsubdivideFace( a, b, c, detail );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction subdivideFace( a, b, c, detail ) {\n\n\t\t\tconst cols = detail + 1;\n\n\t\t\t// we use this multidimensional array as a data structure for creating the subdivision\n\n\t\t\tconst v = [];\n\n\t\t\t// construct all of the vertices for this subdivision\n\n\t\t\tfor ( let i = 0; i <= cols; i ++ ) {\n\n\t\t\t\tv[ i ] = [];\n\n\t\t\t\tconst aj = a.clone().lerp( c, i / cols );\n\t\t\t\tconst bj = b.clone().lerp( c, i / cols );\n\n\t\t\t\tconst rows = cols - i;\n\n\t\t\t\tfor ( let j = 0; j <= rows; j ++ ) {\n\n\t\t\t\t\tif ( j === 0 && i === cols ) {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj.clone().lerp( bj, j / rows );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// construct all of the faces\n\n\t\t\tfor ( let i = 0; i < cols; i ++ ) {\n\n\t\t\t\tfor ( let j = 0; j < 2 * ( cols - i ) - 1; j ++ ) {\n\n\t\t\t\t\tconst k = Math.floor( j / 2 );\n\n\t\t\t\t\tif ( j % 2 === 0 ) {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\t\t\t\t\t\tpushVertex( v[ i ][ k ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction applyRadius( radius ) {\n\n\t\t\tconst vertex = new Vector3();\n\n\t\t\t// iterate over the entire buffer and apply the radius to each vertex\n\n\t\t\tfor ( let i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvertex.normalize().multiplyScalar( radius );\n\n\t\t\t\tvertexBuffer[ i + 0 ] = vertex.x;\n\t\t\t\tvertexBuffer[ i + 1 ] = vertex.y;\n\t\t\t\tvertexBuffer[ i + 2 ] = vertex.z;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tfor ( let i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tconst u = azimuth( vertex ) / 2 / Math.PI + 0.5;\n\t\t\t\tconst v = inclination( vertex ) / Math.PI + 0.5;\n\t\t\t\tuvBuffer.push( u, 1 - v );\n\n\t\t\t}\n\n\t\t\tcorrectUVs();\n\n\t\t\tcorrectSeam();\n\n\t\t}\n\n\t\tfunction correctSeam() {\n\n\t\t\t// handle case when face straddles the seam, see #3269\n\n\t\t\tfor ( let i = 0; i < uvBuffer.length; i += 6 ) {\n\n\t\t\t\t// uv data of a single face\n\n\t\t\t\tconst x0 = uvBuffer[ i + 0 ];\n\t\t\t\tconst x1 = uvBuffer[ i + 2 ];\n\t\t\t\tconst x2 = uvBuffer[ i + 4 ];\n\n\t\t\t\tconst max = Math.max( x0, x1, x2 );\n\t\t\t\tconst min = Math.min( x0, x1, x2 );\n\n\t\t\t\t// 0.9 is somewhat arbitrary\n\n\t\t\t\tif ( max > 0.9 && min < 0.1 ) {\n\n\t\t\t\t\tif ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1;\n\t\t\t\t\tif ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1;\n\t\t\t\t\tif ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction pushVertex( vertex ) {\n\n\t\t\tvertexBuffer.push( vertex.x, vertex.y, vertex.z );\n\n\t\t}\n\n\t\tfunction getVertexByIndex( index, vertex ) {\n\n\t\t\tconst stride = index * 3;\n\n\t\t\tvertex.x = vertices[ stride + 0 ];\n\t\t\tvertex.y = vertices[ stride + 1 ];\n\t\t\tvertex.z = vertices[ stride + 2 ];\n\n\t\t}\n\n\t\tfunction correctUVs() {\n\n\t\t\tconst a = new Vector3();\n\t\t\tconst b = new Vector3();\n\t\t\tconst c = new Vector3();\n\n\t\t\tconst centroid = new Vector3();\n\n\t\t\tconst uvA = new Vector2();\n\t\t\tconst uvB = new Vector2();\n\t\t\tconst uvC = new Vector2();\n\n\t\t\tfor ( let i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) {\n\n\t\t\t\ta.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] );\n\t\t\t\tb.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] );\n\t\t\t\tc.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] );\n\n\t\t\t\tuvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] );\n\t\t\t\tuvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] );\n\t\t\t\tuvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] );\n\n\t\t\t\tcentroid.copy( a ).add( b ).add( c ).divideScalar( 3 );\n\n\t\t\t\tconst azi = azimuth( centroid );\n\n\t\t\t\tcorrectUV( uvA, j + 0, a, azi );\n\t\t\t\tcorrectUV( uvB, j + 2, b, azi );\n\t\t\t\tcorrectUV( uvC, j + 4, c, azi );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction correctUV( uv, stride, vector, azimuth ) {\n\n\t\t\tif ( ( azimuth < 0 ) && ( uv.x === 1 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = uv.x - 1;\n\n\t\t\t}\n\n\t\t\tif ( ( vector.x === 0 ) && ( vector.z === 0 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Angle around the Y axis, counter-clockwise when looking from above.\n\n\t\tfunction azimuth( vector ) {\n\n\t\t\treturn Math.atan2( vector.z, - vector.x );\n\n\t\t}\n\n\n\t\t// Angle above the XZ plane.\n\n\t\tfunction inclination( vector ) {\n\n\t\t\treturn Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) );\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new PolyhedronGeometry( data.vertices, data.indices, data.radius, data.details );\n\n\t}\n\n}\n\nclass DodecahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\t\tconst r = 1 / t;\n\n\t\tconst vertices = [\n\n\t\t\t// (\u00B11, \u00B11, \u00B11)\n\t\t\t- 1, - 1, - 1,\t- 1, - 1, 1,\n\t\t\t- 1, 1, - 1, - 1, 1, 1,\n\t\t\t1, - 1, - 1, 1, - 1, 1,\n\t\t\t1, 1, - 1, 1, 1, 1,\n\n\t\t\t// (0, \u00B11/\u03C6, \u00B1\u03C6)\n\t\t\t0, - r, - t, 0, - r, t,\n\t\t\t0, r, - t, 0, r, t,\n\n\t\t\t// (\u00B11/\u03C6, \u00B1\u03C6, 0)\n\t\t\t- r, - t, 0, - r, t, 0,\n\t\t\tr, - t, 0, r, t, 0,\n\n\t\t\t// (\u00B1\u03C6, 0, \u00B11/\u03C6)\n\t\t\t- t, 0, - r, t, 0, - r,\n\t\t\t- t, 0, r, t, 0, r\n\t\t];\n\n\t\tconst indices = [\n\t\t\t3, 11, 7, \t3, 7, 15, \t3, 15, 13,\n\t\t\t7, 19, 17, \t7, 17, 6, \t7, 6, 15,\n\t\t\t17, 4, 8, \t17, 8, 10, \t17, 10, 6,\n\t\t\t8, 0, 16, \t8, 16, 2, \t8, 2, 10,\n\t\t\t0, 12, 1, \t0, 1, 18, \t0, 18, 16,\n\t\t\t6, 10, 2, \t6, 2, 13, \t6, 13, 15,\n\t\t\t2, 16, 18, \t2, 18, 3, \t2, 3, 13,\n\t\t\t18, 1, 9, \t18, 9, 11, \t18, 11, 3,\n\t\t\t4, 14, 12, \t4, 12, 0, \t4, 0, 8,\n\t\t\t11, 9, 5, \t11, 5, 19, \t11, 19, 7,\n\t\t\t19, 5, 14, \t19, 14, 4, \t19, 4, 17,\n\t\t\t1, 12, 14, \t1, 14, 5, \t1, 5, 9\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'DodecahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new DodecahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nconst _v0 = new Vector3();\nconst _v1$1 = new Vector3();\nconst _normal = new Vector3();\nconst _triangle = new Triangle();\n\nclass EdgesGeometry extends BufferGeometry {\n\n\tconstructor( geometry = null, thresholdAngle = 1 ) {\n\n\t\tsuper();\n\t\tthis.type = 'EdgesGeometry';\n\n\t\tthis.parameters = {\n\t\t\tgeometry: geometry,\n\t\t\tthresholdAngle: thresholdAngle\n\t\t};\n\n\t\tif ( geometry !== null ) {\n\n\t\t\tconst precisionPoints = 4;\n\t\t\tconst precision = Math.pow( 10, precisionPoints );\n\t\t\tconst thresholdDot = Math.cos( DEG2RAD * thresholdAngle );\n\n\t\t\tconst indexAttr = geometry.getIndex();\n\t\t\tconst positionAttr = geometry.getAttribute( 'position' );\n\t\t\tconst indexCount = indexAttr ? indexAttr.count : positionAttr.count;\n\n\t\t\tconst indexArr = [ 0, 0, 0 ];\n\t\t\tconst vertKeys = [ 'a', 'b', 'c' ];\n\t\t\tconst hashes = new Array( 3 );\n\n\t\t\tconst edgeData = {};\n\t\t\tconst vertices = [];\n\t\t\tfor ( let i = 0; i < indexCount; i += 3 ) {\n\n\t\t\t\tif ( indexAttr ) {\n\n\t\t\t\t\tindexArr[ 0 ] = indexAttr.getX( i );\n\t\t\t\t\tindexArr[ 1 ] = indexAttr.getX( i + 1 );\n\t\t\t\t\tindexArr[ 2 ] = indexAttr.getX( i + 2 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tindexArr[ 0 ] = i;\n\t\t\t\t\tindexArr[ 1 ] = i + 1;\n\t\t\t\t\tindexArr[ 2 ] = i + 2;\n\n\t\t\t\t}\n\n\t\t\t\tconst { a, b, c } = _triangle;\n\t\t\t\ta.fromBufferAttribute( positionAttr, indexArr[ 0 ] );\n\t\t\t\tb.fromBufferAttribute( positionAttr, indexArr[ 1 ] );\n\t\t\t\tc.fromBufferAttribute( positionAttr, indexArr[ 2 ] );\n\t\t\t\t_triangle.getNormal( _normal );\n\n\t\t\t\t// create hashes for the edge from the vertices\n\t\t\t\thashes[ 0 ] = `${ Math.round( a.x * precision ) },${ Math.round( a.y * precision ) },${ Math.round( a.z * precision ) }`;\n\t\t\t\thashes[ 1 ] = `${ Math.round( b.x * precision ) },${ Math.round( b.y * precision ) },${ Math.round( b.z * precision ) }`;\n\t\t\t\thashes[ 2 ] = `${ Math.round( c.x * precision ) },${ Math.round( c.y * precision ) },${ Math.round( c.z * precision ) }`;\n\n\t\t\t\t// skip degenerate triangles\n\t\t\t\tif ( hashes[ 0 ] === hashes[ 1 ] || hashes[ 1 ] === hashes[ 2 ] || hashes[ 2 ] === hashes[ 0 ] ) {\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\t// iterate over every edge\n\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t// get the first and next vertex making up the edge\n\t\t\t\t\tconst jNext = ( j + 1 ) % 3;\n\t\t\t\t\tconst vecHash0 = hashes[ j ];\n\t\t\t\t\tconst vecHash1 = hashes[ jNext ];\n\t\t\t\t\tconst v0 = _triangle[ vertKeys[ j ] ];\n\t\t\t\t\tconst v1 = _triangle[ vertKeys[ jNext ] ];\n\n\t\t\t\t\tconst hash = `${ vecHash0 }_${ vecHash1 }`;\n\t\t\t\t\tconst reverseHash = `${ vecHash1 }_${ vecHash0 }`;\n\n\t\t\t\t\tif ( reverseHash in edgeData && edgeData[ reverseHash ] ) {\n\n\t\t\t\t\t\t// if we found a sibling edge add it into the vertex array if\n\t\t\t\t\t\t// it meets the angle threshold and delete the edge from the map.\n\t\t\t\t\t\tif ( _normal.dot( edgeData[ reverseHash ].normal ) <= thresholdDot ) {\n\n\t\t\t\t\t\t\tvertices.push( v0.x, v0.y, v0.z );\n\t\t\t\t\t\t\tvertices.push( v1.x, v1.y, v1.z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tedgeData[ reverseHash ] = null;\n\n\t\t\t\t\t} else if ( ! ( hash in edgeData ) ) {\n\n\t\t\t\t\t\t// if we've already got an edge here then skip adding a new one\n\t\t\t\t\t\tedgeData[ hash ] = {\n\n\t\t\t\t\t\t\tindex0: indexArr[ j ],\n\t\t\t\t\t\t\tindex1: indexArr[ jNext ],\n\t\t\t\t\t\t\tnormal: _normal.clone(),\n\n\t\t\t\t\t\t};\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// iterate over all remaining, unmatched edges and add them to the vertex array\n\t\t\tfor ( const key in edgeData ) {\n\n\t\t\t\tif ( edgeData[ key ] ) {\n\n\t\t\t\t\tconst { index0, index1 } = edgeData[ key ];\n\t\t\t\t\t_v0.fromBufferAttribute( positionAttr, index0 );\n\t\t\t\t\t_v1$1.fromBufferAttribute( positionAttr, index1 );\n\n\t\t\t\t\tvertices.push( _v0.x, _v0.y, _v0.z );\n\t\t\t\t\tvertices.push( _v1$1.x, _v1$1.y, _v1$1.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * Extensible curve object.\n *\n * Some common of curve methods:\n * .getPoint( t, optionalTarget ), .getTangent( t, optionalTarget )\n * .getPointAt( u, optionalTarget ), .getTangentAt( u, optionalTarget )\n * .getPoints(), .getSpacedPoints()\n * .getLength()\n * .updateArcLengths()\n *\n * This following curves inherit from THREE.Curve:\n *\n * -- 2D curves --\n * THREE.ArcCurve\n * THREE.CubicBezierCurve\n * THREE.EllipseCurve\n * THREE.LineCurve\n * THREE.QuadraticBezierCurve\n * THREE.SplineCurve\n *\n * -- 3D curves --\n * THREE.CatmullRomCurve3\n * THREE.CubicBezierCurve3\n * THREE.LineCurve3\n * THREE.QuadraticBezierCurve3\n *\n * A series of curves can be represented as a THREE.CurvePath.\n *\n **/\n\nclass Curve {\n\n\tconstructor() {\n\n\t\tthis.type = 'Curve';\n\n\t\tthis.arcLengthDivisions = 200;\n\n\t}\n\n\t// Virtual base class method to overwrite and implement in subclasses\n\t//\t- t [0 .. 1]\n\n\tgetPoint( /* t, optionalTarget */ ) {\n\n\t\tconsole.warn( 'THREE.Curve: .getPoint() not implemented.' );\n\t\treturn null;\n\n\t}\n\n\t// Get point at relative position in curve according to arc length\n\t// - u [0 .. 1]\n\n\tgetPointAt( u, optionalTarget ) {\n\n\t\tconst t = this.getUtoTmapping( u );\n\t\treturn this.getPoint( t, optionalTarget );\n\n\t}\n\n\t// Get sequence of points using getPoint( t )\n\n\tgetPoints( divisions = 5 ) {\n\n\t\tconst points = [];\n\n\t\tfor ( let d = 0; d <= divisions; d ++ ) {\n\n\t\t\tpoints.push( this.getPoint( d / divisions ) );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\t// Get sequence of points using getPointAt( u )\n\n\tgetSpacedPoints( divisions = 5 ) {\n\n\t\tconst points = [];\n\n\t\tfor ( let d = 0; d <= divisions; d ++ ) {\n\n\t\t\tpoints.push( this.getPointAt( d / divisions ) );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\t// Get total curve arc length\n\n\tgetLength() {\n\n\t\tconst lengths = this.getLengths();\n\t\treturn lengths[ lengths.length - 1 ];\n\n\t}\n\n\t// Get list of cumulative segment lengths\n\n\tgetLengths( divisions = this.arcLengthDivisions ) {\n\n\t\tif ( this.cacheArcLengths &&\n\t\t\t( this.cacheArcLengths.length === divisions + 1 ) &&\n\t\t\t! this.needsUpdate ) {\n\n\t\t\treturn this.cacheArcLengths;\n\n\t\t}\n\n\t\tthis.needsUpdate = false;\n\n\t\tconst cache = [];\n\t\tlet current, last = this.getPoint( 0 );\n\t\tlet sum = 0;\n\n\t\tcache.push( 0 );\n\n\t\tfor ( let p = 1; p <= divisions; p ++ ) {\n\n\t\t\tcurrent = this.getPoint( p / divisions );\n\t\t\tsum += current.distanceTo( last );\n\t\t\tcache.push( sum );\n\t\t\tlast = current;\n\n\t\t}\n\n\t\tthis.cacheArcLengths = cache;\n\n\t\treturn cache; // { sums: cache, sum: sum }; Sum is in the last element.\n\n\t}\n\n\tupdateArcLengths() {\n\n\t\tthis.needsUpdate = true;\n\t\tthis.getLengths();\n\n\t}\n\n\t// Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant\n\n\tgetUtoTmapping( u, distance ) {\n\n\t\tconst arcLengths = this.getLengths();\n\n\t\tlet i = 0;\n\t\tconst il = arcLengths.length;\n\n\t\tlet targetArcLength; // The targeted u distance value to get\n\n\t\tif ( distance ) {\n\n\t\t\ttargetArcLength = distance;\n\n\t\t} else {\n\n\t\t\ttargetArcLength = u * arcLengths[ il - 1 ];\n\n\t\t}\n\n\t\t// binary search for the index with largest value smaller than target u distance\n\n\t\tlet low = 0, high = il - 1, comparison;\n\n\t\twhile ( low <= high ) {\n\n\t\t\ti = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats\n\n\t\t\tcomparison = arcLengths[ i ] - targetArcLength;\n\n\t\t\tif ( comparison < 0 ) {\n\n\t\t\t\tlow = i + 1;\n\n\t\t\t} else if ( comparison > 0 ) {\n\n\t\t\t\thigh = i - 1;\n\n\t\t\t} else {\n\n\t\t\t\thigh = i;\n\t\t\t\tbreak;\n\n\t\t\t\t// DONE\n\n\t\t\t}\n\n\t\t}\n\n\t\ti = high;\n\n\t\tif ( arcLengths[ i ] === targetArcLength ) {\n\n\t\t\treturn i / ( il - 1 );\n\n\t\t}\n\n\t\t// we could get finer grain at lengths, or use simple interpolation between two points\n\n\t\tconst lengthBefore = arcLengths[ i ];\n\t\tconst lengthAfter = arcLengths[ i + 1 ];\n\n\t\tconst segmentLength = lengthAfter - lengthBefore;\n\n\t\t// determine where we are between the 'before' and 'after' points\n\n\t\tconst segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength;\n\n\t\t// add that fractional amount to t\n\n\t\tconst t = ( i + segmentFraction ) / ( il - 1 );\n\n\t\treturn t;\n\n\t}\n\n\t// Returns a unit vector tangent at t\n\t// In case any sub curve does not implement its tangent derivation,\n\t// 2 points a small delta apart will be used to find its gradient\n\t// which seems to give a reasonable approximation\n\n\tgetTangent( t, optionalTarget ) {\n\n\t\tconst delta = 0.0001;\n\t\tlet t1 = t - delta;\n\t\tlet t2 = t + delta;\n\n\t\t// Capping in case of danger\n\n\t\tif ( t1 < 0 ) t1 = 0;\n\t\tif ( t2 > 1 ) t2 = 1;\n\n\t\tconst pt1 = this.getPoint( t1 );\n\t\tconst pt2 = this.getPoint( t2 );\n\n\t\tconst tangent = optionalTarget || ( ( pt1.isVector2 ) ? new Vector2() : new Vector3() );\n\n\t\ttangent.copy( pt2 ).sub( pt1 ).normalize();\n\n\t\treturn tangent;\n\n\t}\n\n\tgetTangentAt( u, optionalTarget ) {\n\n\t\tconst t = this.getUtoTmapping( u );\n\t\treturn this.getTangent( t, optionalTarget );\n\n\t}\n\n\tcomputeFrenetFrames( segments, closed ) {\n\n\t\t// see http://www.cs.indiana.edu/pub/techreports/TR425.pdf\n\n\t\tconst normal = new Vector3();\n\n\t\tconst tangents = [];\n\t\tconst normals = [];\n\t\tconst binormals = [];\n\n\t\tconst vec = new Vector3();\n\t\tconst mat = new Matrix4();\n\n\t\t// compute the tangent vectors for each segment on the curve\n\n\t\tfor ( let i = 0; i <= segments; i ++ ) {\n\n\t\t\tconst u = i / segments;\n\n\t\t\ttangents[ i ] = this.getTangentAt( u, new Vector3() );\n\n\t\t}\n\n\t\t// select an initial normal vector perpendicular to the first tangent vector,\n\t\t// and in the direction of the minimum tangent xyz component\n\n\t\tnormals[ 0 ] = new Vector3();\n\t\tbinormals[ 0 ] = new Vector3();\n\t\tlet min = Number.MAX_VALUE;\n\t\tconst tx = Math.abs( tangents[ 0 ].x );\n\t\tconst ty = Math.abs( tangents[ 0 ].y );\n\t\tconst tz = Math.abs( tangents[ 0 ].z );\n\n\t\tif ( tx <= min ) {\n\n\t\t\tmin = tx;\n\t\t\tnormal.set( 1, 0, 0 );\n\n\t\t}\n\n\t\tif ( ty <= min ) {\n\n\t\t\tmin = ty;\n\t\t\tnormal.set( 0, 1, 0 );\n\n\t\t}\n\n\t\tif ( tz <= min ) {\n\n\t\t\tnormal.set( 0, 0, 1 );\n\n\t\t}\n\n\t\tvec.crossVectors( tangents[ 0 ], normal ).normalize();\n\n\t\tnormals[ 0 ].crossVectors( tangents[ 0 ], vec );\n\t\tbinormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] );\n\n\n\t\t// compute the slowly-varying normal and binormal vectors for each segment on the curve\n\n\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\tnormals[ i ] = normals[ i - 1 ].clone();\n\n\t\t\tbinormals[ i ] = binormals[ i - 1 ].clone();\n\n\t\t\tvec.crossVectors( tangents[ i - 1 ], tangents[ i ] );\n\n\t\t\tif ( vec.length() > Number.EPSILON ) {\n\n\t\t\t\tvec.normalize();\n\n\t\t\t\tconst theta = Math.acos( clamp( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors\n\n\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) );\n\n\t\t\t}\n\n\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t}\n\n\t\t// if the curve is closed, postprocess the vectors so the first and last normal vectors are the same\n\n\t\tif ( closed === true ) {\n\n\t\t\tlet theta = Math.acos( clamp( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) );\n\t\t\ttheta /= segments;\n\n\t\t\tif ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) {\n\n\t\t\t\ttheta = - theta;\n\n\t\t\t}\n\n\t\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\t\t// twist a little...\n\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) );\n\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn {\n\t\t\ttangents: tangents,\n\t\t\tnormals: normals,\n\t\t\tbinormals: binormals\n\t\t};\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.arcLengthDivisions = source.arcLengthDivisions;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Curve',\n\t\t\t\tgenerator: 'Curve.toJSON'\n\t\t\t}\n\t\t};\n\n\t\tdata.arcLengthDivisions = this.arcLengthDivisions;\n\t\tdata.type = this.type;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tthis.arcLengthDivisions = json.arcLengthDivisions;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass EllipseCurve extends Curve {\n\n\tconstructor( aX = 0, aY = 0, xRadius = 1, yRadius = 1, aStartAngle = 0, aEndAngle = Math.PI * 2, aClockwise = false, aRotation = 0 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'EllipseCurve';\n\n\t\tthis.aX = aX;\n\t\tthis.aY = aY;\n\n\t\tthis.xRadius = xRadius;\n\t\tthis.yRadius = yRadius;\n\n\t\tthis.aStartAngle = aStartAngle;\n\t\tthis.aEndAngle = aEndAngle;\n\n\t\tthis.aClockwise = aClockwise;\n\n\t\tthis.aRotation = aRotation;\n\n\t}\n\n\tgetPoint( t, optionalTarget ) {\n\n\t\tconst point = optionalTarget || new Vector2();\n\n\t\tconst twoPi = Math.PI * 2;\n\t\tlet deltaAngle = this.aEndAngle - this.aStartAngle;\n\t\tconst samePoints = Math.abs( deltaAngle ) < Number.EPSILON;\n\n\t\t// ensures that deltaAngle is 0 .. 2 PI\n\t\twhile ( deltaAngle < 0 ) deltaAngle += twoPi;\n\t\twhile ( deltaAngle > twoPi ) deltaAngle -= twoPi;\n\n\t\tif ( deltaAngle < Number.EPSILON ) {\n\n\t\t\tif ( samePoints ) {\n\n\t\t\t\tdeltaAngle = 0;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.aClockwise === true && ! samePoints ) {\n\n\t\t\tif ( deltaAngle === twoPi ) {\n\n\t\t\t\tdeltaAngle = - twoPi;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = deltaAngle - twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst angle = this.aStartAngle + t * deltaAngle;\n\t\tlet x = this.aX + this.xRadius * Math.cos( angle );\n\t\tlet y = this.aY + this.yRadius * Math.sin( angle );\n\n\t\tif ( this.aRotation !== 0 ) {\n\n\t\t\tconst cos = Math.cos( this.aRotation );\n\t\t\tconst sin = Math.sin( this.aRotation );\n\n\t\t\tconst tx = x - this.aX;\n\t\t\tconst ty = y - this.aY;\n\n\t\t\t// Rotate the point about the center of the ellipse.\n\t\t\tx = tx * cos - ty * sin + this.aX;\n\t\t\ty = tx * sin + ty * cos + this.aY;\n\n\t\t}\n\n\t\treturn point.set( x, y );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.aX = source.aX;\n\t\tthis.aY = source.aY;\n\n\t\tthis.xRadius = source.xRadius;\n\t\tthis.yRadius = source.yRadius;\n\n\t\tthis.aStartAngle = source.aStartAngle;\n\t\tthis.aEndAngle = source.aEndAngle;\n\n\t\tthis.aClockwise = source.aClockwise;\n\n\t\tthis.aRotation = source.aRotation;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.aX = this.aX;\n\t\tdata.aY = this.aY;\n\n\t\tdata.xRadius = this.xRadius;\n\t\tdata.yRadius = this.yRadius;\n\n\t\tdata.aStartAngle = this.aStartAngle;\n\t\tdata.aEndAngle = this.aEndAngle;\n\n\t\tdata.aClockwise = this.aClockwise;\n\n\t\tdata.aRotation = this.aRotation;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.aX = json.aX;\n\t\tthis.aY = json.aY;\n\n\t\tthis.xRadius = json.xRadius;\n\t\tthis.yRadius = json.yRadius;\n\n\t\tthis.aStartAngle = json.aStartAngle;\n\t\tthis.aEndAngle = json.aEndAngle;\n\n\t\tthis.aClockwise = json.aClockwise;\n\n\t\tthis.aRotation = json.aRotation;\n\n\t\treturn this;\n\n\t}\n\n}\n\nEllipseCurve.prototype.isEllipseCurve = true;\n\nclass ArcCurve extends EllipseCurve {\n\n\tconstructor( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tsuper( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\tthis.type = 'ArcCurve';\n\n\t}\n\n}\n\nArcCurve.prototype.isArcCurve = true;\n\n/**\n * Centripetal CatmullRom Curve - which is useful for avoiding\n * cusps and self-intersections in non-uniform catmull rom curves.\n * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf\n *\n * curve.type accepts centripetal(default), chordal and catmullrom\n * curve.tension is used for catmullrom which defaults to 0.5\n */\n\n\n/*\nBased on an optimized c++ solution in\n - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/\n - http://ideone.com/NoEbVM\n\nThis CubicPoly class could be used for reusing some variables and calculations,\nbut for three.js curve use, it could be possible inlined and flatten into a single function call\nwhich can be placed in CurveUtils.\n*/\n\nfunction CubicPoly() {\n\n\tlet c0 = 0, c1 = 0, c2 = 0, c3 = 0;\n\n\t/*\n\t * Compute coefficients for a cubic polynomial\n\t * p(s) = c0 + c1*s + c2*s^2 + c3*s^3\n\t * such that\n\t * p(0) = x0, p(1) = x1\n\t * and\n\t * p'(0) = t0, p'(1) = t1.\n\t */\n\tfunction init( x0, x1, t0, t1 ) {\n\n\t\tc0 = x0;\n\t\tc1 = t0;\n\t\tc2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1;\n\t\tc3 = 2 * x0 - 2 * x1 + t0 + t1;\n\n\t}\n\n\treturn {\n\n\t\tinitCatmullRom: function ( x0, x1, x2, x3, tension ) {\n\n\t\t\tinit( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) );\n\n\t\t},\n\n\t\tinitNonuniformCatmullRom: function ( x0, x1, x2, x3, dt0, dt1, dt2 ) {\n\n\t\t\t// compute tangents when parameterized in [t1,t2]\n\t\t\tlet t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1;\n\t\t\tlet t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2;\n\n\t\t\t// rescale tangents for parametrization in [0,1]\n\t\t\tt1 *= dt1;\n\t\t\tt2 *= dt1;\n\n\t\t\tinit( x1, x2, t1, t2 );\n\n\t\t},\n\n\t\tcalc: function ( t ) {\n\n\t\t\tconst t2 = t * t;\n\t\t\tconst t3 = t2 * t;\n\t\t\treturn c0 + c1 * t + c2 * t2 + c3 * t3;\n\n\t\t}\n\n\t};\n\n}\n\n//\n\nconst tmp = new Vector3();\nconst px = new CubicPoly(), py = new CubicPoly(), pz = new CubicPoly();\n\nclass CatmullRomCurve3 extends Curve {\n\n\tconstructor( points = [], closed = false, curveType = 'centripetal', tension = 0.5 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CatmullRomCurve3';\n\n\t\tthis.points = points;\n\t\tthis.closed = closed;\n\t\tthis.curveType = curveType;\n\t\tthis.tension = tension;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst points = this.points;\n\t\tconst l = points.length;\n\n\t\tconst p = ( l - ( this.closed ? 0 : 1 ) ) * t;\n\t\tlet intPoint = Math.floor( p );\n\t\tlet weight = p - intPoint;\n\n\t\tif ( this.closed ) {\n\n\t\t\tintPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / l ) + 1 ) * l;\n\n\t\t} else if ( weight === 0 && intPoint === l - 1 ) {\n\n\t\t\tintPoint = l - 2;\n\t\t\tweight = 1;\n\n\t\t}\n\n\t\tlet p0, p3; // 4 points (p1 & p2 defined below)\n\n\t\tif ( this.closed || intPoint > 0 ) {\n\n\t\t\tp0 = points[ ( intPoint - 1 ) % l ];\n\n\t\t} else {\n\n\t\t\t// extrapolate first point\n\t\t\ttmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] );\n\t\t\tp0 = tmp;\n\n\t\t}\n\n\t\tconst p1 = points[ intPoint % l ];\n\t\tconst p2 = points[ ( intPoint + 1 ) % l ];\n\n\t\tif ( this.closed || intPoint + 2 < l ) {\n\n\t\t\tp3 = points[ ( intPoint + 2 ) % l ];\n\n\t\t} else {\n\n\t\t\t// extrapolate last point\n\t\t\ttmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] );\n\t\t\tp3 = tmp;\n\n\t\t}\n\n\t\tif ( this.curveType === 'centripetal' || this.curveType === 'chordal' ) {\n\n\t\t\t// init Centripetal / Chordal Catmull-Rom\n\t\t\tconst pow = this.curveType === 'chordal' ? 0.5 : 0.25;\n\t\t\tlet dt0 = Math.pow( p0.distanceToSquared( p1 ), pow );\n\t\t\tlet dt1 = Math.pow( p1.distanceToSquared( p2 ), pow );\n\t\t\tlet dt2 = Math.pow( p2.distanceToSquared( p3 ), pow );\n\n\t\t\t// safety check for repeated points\n\t\t\tif ( dt1 < 1e-4 ) dt1 = 1.0;\n\t\t\tif ( dt0 < 1e-4 ) dt0 = dt1;\n\t\t\tif ( dt2 < 1e-4 ) dt2 = dt1;\n\n\t\t\tpx.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 );\n\t\t\tpy.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 );\n\t\t\tpz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 );\n\n\t\t} else if ( this.curveType === 'catmullrom' ) {\n\n\t\t\tpx.initCatmullRom( p0.x, p1.x, p2.x, p3.x, this.tension );\n\t\t\tpy.initCatmullRom( p0.y, p1.y, p2.y, p3.y, this.tension );\n\t\t\tpz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, this.tension );\n\n\t\t}\n\n\t\tpoint.set(\n\t\t\tpx.calc( weight ),\n\t\t\tpy.calc( weight ),\n\t\t\tpz.calc( weight )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = source.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = source.points[ i ];\n\n\t\t\tthis.points.push( point.clone() );\n\n\t\t}\n\n\t\tthis.closed = source.closed;\n\t\tthis.curveType = source.curveType;\n\t\tthis.tension = source.tension;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.points = [];\n\n\t\tfor ( let i = 0, l = this.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = this.points[ i ];\n\t\t\tdata.points.push( point.toArray() );\n\n\t\t}\n\n\t\tdata.closed = this.closed;\n\t\tdata.curveType = this.curveType;\n\t\tdata.tension = this.tension;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = json.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = json.points[ i ];\n\t\t\tthis.points.push( new Vector3().fromArray( point ) );\n\n\t\t}\n\n\t\tthis.closed = json.closed;\n\t\tthis.curveType = json.curveType;\n\t\tthis.tension = json.tension;\n\n\t\treturn this;\n\n\t}\n\n}\n\nCatmullRomCurve3.prototype.isCatmullRomCurve3 = true;\n\n/**\n * Bezier Curves formulas obtained from\n * http://en.wikipedia.org/wiki/B\u00E9zier_curve\n */\n\nfunction CatmullRom( t, p0, p1, p2, p3 ) {\n\n\tconst v0 = ( p2 - p0 ) * 0.5;\n\tconst v1 = ( p3 - p1 ) * 0.5;\n\tconst t2 = t * t;\n\tconst t3 = t * t2;\n\treturn ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n}\n\n//\n\nfunction QuadraticBezierP0( t, p ) {\n\n\tconst k = 1 - t;\n\treturn k * k * p;\n\n}\n\nfunction QuadraticBezierP1( t, p ) {\n\n\treturn 2 * ( 1 - t ) * t * p;\n\n}\n\nfunction QuadraticBezierP2( t, p ) {\n\n\treturn t * t * p;\n\n}\n\nfunction QuadraticBezier( t, p0, p1, p2 ) {\n\n\treturn QuadraticBezierP0( t, p0 ) + QuadraticBezierP1( t, p1 ) +\n\t\tQuadraticBezierP2( t, p2 );\n\n}\n\n//\n\nfunction CubicBezierP0( t, p ) {\n\n\tconst k = 1 - t;\n\treturn k * k * k * p;\n\n}\n\nfunction CubicBezierP1( t, p ) {\n\n\tconst k = 1 - t;\n\treturn 3 * k * k * t * p;\n\n}\n\nfunction CubicBezierP2( t, p ) {\n\n\treturn 3 * ( 1 - t ) * t * t * p;\n\n}\n\nfunction CubicBezierP3( t, p ) {\n\n\treturn t * t * t * p;\n\n}\n\nfunction CubicBezier( t, p0, p1, p2, p3 ) {\n\n\treturn CubicBezierP0( t, p0 ) + CubicBezierP1( t, p1 ) + CubicBezierP2( t, p2 ) +\n\t\tCubicBezierP3( t, p3 );\n\n}\n\nclass CubicBezierCurve extends Curve {\n\n\tconstructor( v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2(), v3 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CubicBezierCurve';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\t\tthis.v3 = v3;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3;\n\n\t\tpoint.set(\n\t\t\tCubicBezier( t, v0.x, v1.x, v2.x, v3.x ),\n\t\t\tCubicBezier( t, v0.y, v1.y, v2.y, v3.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\t\tthis.v3.copy( source.v3 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\t\tdata.v3 = this.v3.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\t\tthis.v3.fromArray( json.v3 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nCubicBezierCurve.prototype.isCubicBezierCurve = true;\n\nclass CubicBezierCurve3 extends Curve {\n\n\tconstructor( v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3(), v3 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CubicBezierCurve3';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\t\tthis.v3 = v3;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3;\n\n\t\tpoint.set(\n\t\t\tCubicBezier( t, v0.x, v1.x, v2.x, v3.x ),\n\t\t\tCubicBezier( t, v0.y, v1.y, v2.y, v3.y ),\n\t\t\tCubicBezier( t, v0.z, v1.z, v2.z, v3.z )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\t\tthis.v3.copy( source.v3 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\t\tdata.v3 = this.v3.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\t\tthis.v3.fromArray( json.v3 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nCubicBezierCurve3.prototype.isCubicBezierCurve3 = true;\n\nclass LineCurve extends Curve {\n\n\tconstructor( v1 = new Vector2(), v2 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LineCurve';\n\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tif ( t === 1 ) {\n\n\t\t\tpoint.copy( this.v2 );\n\n\t\t} else {\n\n\t\t\tpoint.copy( this.v2 ).sub( this.v1 );\n\t\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\t}\n\n\t\treturn point;\n\n\t}\n\n\t// Line curve is linear, so we can overwrite default getPointAt\n\tgetPointAt( u, optionalTarget ) {\n\n\t\treturn this.getPoint( u, optionalTarget );\n\n\t}\n\n\tgetTangent( t, optionalTarget ) {\n\n\t\tconst tangent = optionalTarget || new Vector2();\n\n\t\ttangent.copy( this.v2 ).sub( this.v1 ).normalize();\n\n\t\treturn tangent;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nLineCurve.prototype.isLineCurve = true;\n\nclass LineCurve3 extends Curve {\n\n\tconstructor( v1 = new Vector3(), v2 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LineCurve3';\n\t\tthis.isLineCurve3 = true;\n\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tif ( t === 1 ) {\n\n\t\t\tpoint.copy( this.v2 );\n\n\t\t} else {\n\n\t\t\tpoint.copy( this.v2 ).sub( this.v1 );\n\t\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\t}\n\n\t\treturn point;\n\n\t}\n\t// Line curve is linear, so we can overwrite default getPointAt\n\tgetPointAt( u, optionalTarget ) {\n\n\t\treturn this.getPoint( u, optionalTarget );\n\n\t}\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass QuadraticBezierCurve extends Curve {\n\n\tconstructor( v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'QuadraticBezierCurve';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2;\n\n\t\tpoint.set(\n\t\t\tQuadraticBezier( t, v0.x, v1.x, v2.x ),\n\t\t\tQuadraticBezier( t, v0.y, v1.y, v2.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nQuadraticBezierCurve.prototype.isQuadraticBezierCurve = true;\n\nclass QuadraticBezierCurve3 extends Curve {\n\n\tconstructor( v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'QuadraticBezierCurve3';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2;\n\n\t\tpoint.set(\n\t\t\tQuadraticBezier( t, v0.x, v1.x, v2.x ),\n\t\t\tQuadraticBezier( t, v0.y, v1.y, v2.y ),\n\t\t\tQuadraticBezier( t, v0.z, v1.z, v2.z )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nQuadraticBezierCurve3.prototype.isQuadraticBezierCurve3 = true;\n\nclass SplineCurve extends Curve {\n\n\tconstructor( points = [] ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'SplineCurve';\n\n\t\tthis.points = points;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst points = this.points;\n\t\tconst p = ( points.length - 1 ) * t;\n\n\t\tconst intPoint = Math.floor( p );\n\t\tconst weight = p - intPoint;\n\n\t\tconst p0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ];\n\t\tconst p1 = points[ intPoint ];\n\t\tconst p2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\tconst p3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\tpoint.set(\n\t\t\tCatmullRom( weight, p0.x, p1.x, p2.x, p3.x ),\n\t\t\tCatmullRom( weight, p0.y, p1.y, p2.y, p3.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = source.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = source.points[ i ];\n\n\t\t\tthis.points.push( point.clone() );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.points = [];\n\n\t\tfor ( let i = 0, l = this.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = this.points[ i ];\n\t\t\tdata.points.push( point.toArray() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = json.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = json.points[ i ];\n\t\t\tthis.points.push( new Vector2().fromArray( point ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nSplineCurve.prototype.isSplineCurve = true;\n\nvar Curves = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tArcCurve: ArcCurve,\n\tCatmullRomCurve3: CatmullRomCurve3,\n\tCubicBezierCurve: CubicBezierCurve,\n\tCubicBezierCurve3: CubicBezierCurve3,\n\tEllipseCurve: EllipseCurve,\n\tLineCurve: LineCurve,\n\tLineCurve3: LineCurve3,\n\tQuadraticBezierCurve: QuadraticBezierCurve,\n\tQuadraticBezierCurve3: QuadraticBezierCurve3,\n\tSplineCurve: SplineCurve\n});\n\n/**************************************************************\n *\tCurved Path - a curve path is simply a array of connected\n * curves, but retains the api of a curve\n **************************************************************/\n\nclass CurvePath extends Curve {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'CurvePath';\n\n\t\tthis.curves = [];\n\t\tthis.autoClose = false; // Automatically closes the path\n\n\t}\n\n\tadd( curve ) {\n\n\t\tthis.curves.push( curve );\n\n\t}\n\n\tclosePath() {\n\n\t\t// Add a line curve if start and end of lines are not connected\n\t\tconst startPoint = this.curves[ 0 ].getPoint( 0 );\n\t\tconst endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 );\n\n\t\tif ( ! startPoint.equals( endPoint ) ) {\n\n\t\t\tthis.curves.push( new LineCurve( endPoint, startPoint ) );\n\n\t\t}\n\n\t}\n\n\t// To get accurate point with reference to\n\t// entire path distance at time t,\n\t// following has to be done:\n\n\t// 1. Length of each sub path have to be known\n\t// 2. Locate and identify type of curve\n\t// 3. Get t for the curve\n\t// 4. Return curve.getPointAt(t')\n\n\tgetPoint( t, optionalTarget ) {\n\n\t\tconst d = t * this.getLength();\n\t\tconst curveLengths = this.getCurveLengths();\n\t\tlet i = 0;\n\n\t\t// To think about boundaries points.\n\n\t\twhile ( i < curveLengths.length ) {\n\n\t\t\tif ( curveLengths[ i ] >= d ) {\n\n\t\t\t\tconst diff = curveLengths[ i ] - d;\n\t\t\t\tconst curve = this.curves[ i ];\n\n\t\t\t\tconst segmentLength = curve.getLength();\n\t\t\t\tconst u = segmentLength === 0 ? 0 : 1 - diff / segmentLength;\n\n\t\t\t\treturn curve.getPointAt( u, optionalTarget );\n\n\t\t\t}\n\n\t\t\ti ++;\n\n\t\t}\n\n\t\treturn null;\n\n\t\t// loop where sum != 0, sum > d , sum+1 1 && ! points[ points.length - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\tpoints.push( points[ 0 ] );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.curves = [];\n\n\t\tfor ( let i = 0, l = source.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = source.curves[ i ];\n\n\t\t\tthis.curves.push( curve.clone() );\n\n\t\t}\n\n\t\tthis.autoClose = source.autoClose;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.autoClose = this.autoClose;\n\t\tdata.curves = [];\n\n\t\tfor ( let i = 0, l = this.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = this.curves[ i ];\n\t\t\tdata.curves.push( curve.toJSON() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.autoClose = json.autoClose;\n\t\tthis.curves = [];\n\n\t\tfor ( let i = 0, l = json.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = json.curves[ i ];\n\t\t\tthis.curves.push( new Curves[ curve.type ]().fromJSON( curve ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass Path extends CurvePath {\n\n\tconstructor( points ) {\n\n\t\tsuper();\n\t\tthis.type = 'Path';\n\n\t\tthis.currentPoint = new Vector2();\n\n\t\tif ( points ) {\n\n\t\t\tthis.setFromPoints( points );\n\n\t\t}\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tthis.moveTo( points[ 0 ].x, points[ 0 ].y );\n\n\t\tfor ( let i = 1, l = points.length; i < l; i ++ ) {\n\n\t\t\tthis.lineTo( points[ i ].x, points[ i ].y );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tmoveTo( x, y ) {\n\n\t\tthis.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying?\n\n\t\treturn this;\n\n\t}\n\n\tlineTo( x, y ) {\n\n\t\tconst curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) );\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( x, y );\n\n\t\treturn this;\n\n\t}\n\n\tquadraticCurveTo( aCPx, aCPy, aX, aY ) {\n\n\t\tconst curve = new QuadraticBezierCurve(\n\t\t\tthis.currentPoint.clone(),\n\t\t\tnew Vector2( aCPx, aCPy ),\n\t\t\tnew Vector2( aX, aY )\n\t\t);\n\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tbezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\tconst curve = new CubicBezierCurve(\n\t\t\tthis.currentPoint.clone(),\n\t\t\tnew Vector2( aCP1x, aCP1y ),\n\t\t\tnew Vector2( aCP2x, aCP2y ),\n\t\t\tnew Vector2( aX, aY )\n\t\t);\n\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tsplineThru( pts /*Array of Vector*/ ) {\n\n\t\tconst npts = [ this.currentPoint.clone() ].concat( pts );\n\n\t\tconst curve = new SplineCurve( npts );\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.copy( pts[ pts.length - 1 ] );\n\n\t\treturn this;\n\n\t}\n\n\tarc( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tconst x0 = this.currentPoint.x;\n\t\tconst y0 = this.currentPoint.y;\n\n\t\tthis.absarc( aX + x0, aY + y0, aRadius,\n\t\t\taStartAngle, aEndAngle, aClockwise );\n\n\t\treturn this;\n\n\t}\n\n\tabsarc( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tthis.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\treturn this;\n\n\t}\n\n\tellipse( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tconst x0 = this.currentPoint.x;\n\t\tconst y0 = this.currentPoint.y;\n\n\t\tthis.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\treturn this;\n\n\t}\n\n\tabsellipse( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tconst curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\tif ( this.curves.length > 0 ) {\n\n\t\t\t// if a previous curve is present, attempt to join\n\t\t\tconst firstPoint = curve.getPoint( 0 );\n\n\t\t\tif ( ! firstPoint.equals( this.currentPoint ) ) {\n\n\t\t\t\tthis.lineTo( firstPoint.x, firstPoint.y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.curves.push( curve );\n\n\t\tconst lastPoint = curve.getPoint( 1 );\n\t\tthis.currentPoint.copy( lastPoint );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.currentPoint.copy( source.currentPoint );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.currentPoint = this.currentPoint.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.currentPoint.fromArray( json.currentPoint );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass Shape extends Path {\n\n\tconstructor( points ) {\n\n\t\tsuper( points );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.type = 'Shape';\n\n\t\tthis.holes = [];\n\n\t}\n\n\tgetPointsHoles( divisions ) {\n\n\t\tconst holesPts = [];\n\n\t\tfor ( let i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\tholesPts[ i ] = this.holes[ i ].getPoints( divisions );\n\n\t\t}\n\n\t\treturn holesPts;\n\n\t}\n\n\t// get points of shape and holes (keypoints based on segments parameter)\n\n\textractPoints( divisions ) {\n\n\t\treturn {\n\n\t\t\tshape: this.getPoints( divisions ),\n\t\t\tholes: this.getPointsHoles( divisions )\n\n\t\t};\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.holes = [];\n\n\t\tfor ( let i = 0, l = source.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = source.holes[ i ];\n\n\t\t\tthis.holes.push( hole.clone() );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.uuid = this.uuid;\n\t\tdata.holes = [];\n\n\t\tfor ( let i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = this.holes[ i ];\n\t\t\tdata.holes.push( hole.toJSON() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.uuid = json.uuid;\n\t\tthis.holes = [];\n\n\t\tfor ( let i = 0, l = json.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = json.holes[ i ];\n\t\t\tthis.holes.push( new Path().fromJSON( hole ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * Port from https://github.com/mapbox/earcut (v2.2.2)\n */\n\nconst Earcut = {\n\n\ttriangulate: function ( data, holeIndices, dim = 2 ) {\n\n\t\tconst hasHoles = holeIndices && holeIndices.length;\n\t\tconst outerLen = hasHoles ? holeIndices[ 0 ] * dim : data.length;\n\t\tlet outerNode = linkedList( data, 0, outerLen, dim, true );\n\t\tconst triangles = [];\n\n\t\tif ( ! outerNode || outerNode.next === outerNode.prev ) return triangles;\n\n\t\tlet minX, minY, maxX, maxY, x, y, invSize;\n\n\t\tif ( hasHoles ) outerNode = eliminateHoles( data, holeIndices, outerNode, dim );\n\n\t\t// if the shape is not too simple, we'll use z-order curve hash later; calculate polygon bbox\n\t\tif ( data.length > 80 * dim ) {\n\n\t\t\tminX = maxX = data[ 0 ];\n\t\t\tminY = maxY = data[ 1 ];\n\n\t\t\tfor ( let i = dim; i < outerLen; i += dim ) {\n\n\t\t\t\tx = data[ i ];\n\t\t\t\ty = data[ i + 1 ];\n\t\t\t\tif ( x < minX ) minX = x;\n\t\t\t\tif ( y < minY ) minY = y;\n\t\t\t\tif ( x > maxX ) maxX = x;\n\t\t\t\tif ( y > maxY ) maxY = y;\n\n\t\t\t}\n\n\t\t\t// minX, minY and invSize are later used to transform coords into integers for z-order calculation\n\t\t\tinvSize = Math.max( maxX - minX, maxY - minY );\n\t\t\tinvSize = invSize !== 0 ? 1 / invSize : 0;\n\n\t\t}\n\n\t\tearcutLinked( outerNode, triangles, dim, minX, minY, invSize );\n\n\t\treturn triangles;\n\n\t}\n\n};\n\n// create a circular doubly linked list from polygon points in the specified winding order\nfunction linkedList( data, start, end, dim, clockwise ) {\n\n\tlet i, last;\n\n\tif ( clockwise === ( signedArea( data, start, end, dim ) > 0 ) ) {\n\n\t\tfor ( i = start; i < end; i += dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last );\n\n\t} else {\n\n\t\tfor ( i = end - dim; i >= start; i -= dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last );\n\n\t}\n\n\tif ( last && equals( last, last.next ) ) {\n\n\t\tremoveNode( last );\n\t\tlast = last.next;\n\n\t}\n\n\treturn last;\n\n}\n\n// eliminate colinear or duplicate points\nfunction filterPoints( start, end ) {\n\n\tif ( ! start ) return start;\n\tif ( ! end ) end = start;\n\n\tlet p = start,\n\t\tagain;\n\tdo {\n\n\t\tagain = false;\n\n\t\tif ( ! p.steiner && ( equals( p, p.next ) || area( p.prev, p, p.next ) === 0 ) ) {\n\n\t\t\tremoveNode( p );\n\t\t\tp = end = p.prev;\n\t\t\tif ( p === p.next ) break;\n\t\t\tagain = true;\n\n\t\t} else {\n\n\t\t\tp = p.next;\n\n\t\t}\n\n\t} while ( again || p !== end );\n\n\treturn end;\n\n}\n\n// main ear slicing loop which triangulates a polygon (given as a linked list)\nfunction earcutLinked( ear, triangles, dim, minX, minY, invSize, pass ) {\n\n\tif ( ! ear ) return;\n\n\t// interlink polygon nodes in z-order\n\tif ( ! pass && invSize ) indexCurve( ear, minX, minY, invSize );\n\n\tlet stop = ear,\n\t\tprev, next;\n\n\t// iterate through ears, slicing them one by one\n\twhile ( ear.prev !== ear.next ) {\n\n\t\tprev = ear.prev;\n\t\tnext = ear.next;\n\n\t\tif ( invSize ? isEarHashed( ear, minX, minY, invSize ) : isEar( ear ) ) {\n\n\t\t\t// cut off the triangle\n\t\t\ttriangles.push( prev.i / dim );\n\t\t\ttriangles.push( ear.i / dim );\n\t\t\ttriangles.push( next.i / dim );\n\n\t\t\tremoveNode( ear );\n\n\t\t\t// skipping the next vertex leads to less sliver triangles\n\t\t\tear = next.next;\n\t\t\tstop = next.next;\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\tear = next;\n\n\t\t// if we looped through the whole remaining polygon and can't find any more ears\n\t\tif ( ear === stop ) {\n\n\t\t\t// try filtering points and slicing again\n\t\t\tif ( ! pass ) {\n\n\t\t\t\tearcutLinked( filterPoints( ear ), triangles, dim, minX, minY, invSize, 1 );\n\n\t\t\t\t// if this didn't work, try curing all small self-intersections locally\n\n\t\t\t} else if ( pass === 1 ) {\n\n\t\t\t\tear = cureLocalIntersections( filterPoints( ear ), triangles, dim );\n\t\t\t\tearcutLinked( ear, triangles, dim, minX, minY, invSize, 2 );\n\n\t\t\t\t// as a last resort, try splitting the remaining polygon into two\n\n\t\t\t} else if ( pass === 2 ) {\n\n\t\t\t\tsplitEarcut( ear, triangles, dim, minX, minY, invSize );\n\n\t\t\t}\n\n\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n}\n\n// check whether a polygon node forms a valid ear with adjacent nodes\nfunction isEar( ear ) {\n\n\tconst a = ear.prev,\n\t\tb = ear,\n\t\tc = ear.next;\n\n\tif ( area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear\n\n\t// now make sure we don't have other points inside the potential ear\n\tlet p = ear.next.next;\n\n\twhile ( p !== ear.prev ) {\n\n\t\tif ( pointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) &&\n\t\t\tarea( p.prev, p, p.next ) >= 0 ) return false;\n\t\tp = p.next;\n\n\t}\n\n\treturn true;\n\n}\n\nfunction isEarHashed( ear, minX, minY, invSize ) {\n\n\tconst a = ear.prev,\n\t\tb = ear,\n\t\tc = ear.next;\n\n\tif ( area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear\n\n\t// triangle bbox; min & max are calculated like this for speed\n\tconst minTX = a.x < b.x ? ( a.x < c.x ? a.x : c.x ) : ( b.x < c.x ? b.x : c.x ),\n\t\tminTY = a.y < b.y ? ( a.y < c.y ? a.y : c.y ) : ( b.y < c.y ? b.y : c.y ),\n\t\tmaxTX = a.x > b.x ? ( a.x > c.x ? a.x : c.x ) : ( b.x > c.x ? b.x : c.x ),\n\t\tmaxTY = a.y > b.y ? ( a.y > c.y ? a.y : c.y ) : ( b.y > c.y ? b.y : c.y );\n\n\t// z-order range for the current triangle bbox;\n\tconst minZ = zOrder( minTX, minTY, minX, minY, invSize ),\n\t\tmaxZ = zOrder( maxTX, maxTY, minX, minY, invSize );\n\n\tlet p = ear.prevZ,\n\t\tn = ear.nextZ;\n\n\t// look for points inside the triangle in both directions\n\twhile ( p && p.z >= minZ && n && n.z <= maxZ ) {\n\n\t\tif ( p !== ear.prev && p !== ear.next &&\n\t\t\tpointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) &&\n\t\t\tarea( p.prev, p, p.next ) >= 0 ) return false;\n\t\tp = p.prevZ;\n\n\t\tif ( n !== ear.prev && n !== ear.next &&\n\t\t\tpointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, n.x, n.y ) &&\n\t\t\tarea( n.prev, n, n.next ) >= 0 ) return false;\n\t\tn = n.nextZ;\n\n\t}\n\n\t// look for remaining points in decreasing z-order\n\twhile ( p && p.z >= minZ ) {\n\n\t\tif ( p !== ear.prev && p !== ear.next &&\n\t\t\tpointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) &&\n\t\t\tarea( p.prev, p, p.next ) >= 0 ) return false;\n\t\tp = p.prevZ;\n\n\t}\n\n\t// look for remaining points in increasing z-order\n\twhile ( n && n.z <= maxZ ) {\n\n\t\tif ( n !== ear.prev && n !== ear.next &&\n\t\t\tpointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, n.x, n.y ) &&\n\t\t\tarea( n.prev, n, n.next ) >= 0 ) return false;\n\t\tn = n.nextZ;\n\n\t}\n\n\treturn true;\n\n}\n\n// go through all polygon nodes and cure small local self-intersections\nfunction cureLocalIntersections( start, triangles, dim ) {\n\n\tlet p = start;\n\tdo {\n\n\t\tconst a = p.prev,\n\t\t\tb = p.next.next;\n\n\t\tif ( ! equals( a, b ) && intersects( a, p, p.next, b ) && locallyInside( a, b ) && locallyInside( b, a ) ) {\n\n\t\t\ttriangles.push( a.i / dim );\n\t\t\ttriangles.push( p.i / dim );\n\t\t\ttriangles.push( b.i / dim );\n\n\t\t\t// remove two nodes involved\n\t\t\tremoveNode( p );\n\t\t\tremoveNode( p.next );\n\n\t\t\tp = start = b;\n\n\t\t}\n\n\t\tp = p.next;\n\n\t} while ( p !== start );\n\n\treturn filterPoints( p );\n\n}\n\n// try splitting polygon into two and triangulate them independently\nfunction splitEarcut( start, triangles, dim, minX, minY, invSize ) {\n\n\t// look for a valid diagonal that divides the polygon into two\n\tlet a = start;\n\tdo {\n\n\t\tlet b = a.next.next;\n\t\twhile ( b !== a.prev ) {\n\n\t\t\tif ( a.i !== b.i && isValidDiagonal( a, b ) ) {\n\n\t\t\t\t// split the polygon in two by the diagonal\n\t\t\t\tlet c = splitPolygon( a, b );\n\n\t\t\t\t// filter colinear points around the cuts\n\t\t\t\ta = filterPoints( a, a.next );\n\t\t\t\tc = filterPoints( c, c.next );\n\n\t\t\t\t// run earcut on each half\n\t\t\t\tearcutLinked( a, triangles, dim, minX, minY, invSize );\n\t\t\t\tearcutLinked( c, triangles, dim, minX, minY, invSize );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tb = b.next;\n\n\t\t}\n\n\t\ta = a.next;\n\n\t} while ( a !== start );\n\n}\n\n// link every hole into the outer loop, producing a single-ring polygon without holes\nfunction eliminateHoles( data, holeIndices, outerNode, dim ) {\n\n\tconst queue = [];\n\tlet i, len, start, end, list;\n\n\tfor ( i = 0, len = holeIndices.length; i < len; i ++ ) {\n\n\t\tstart = holeIndices[ i ] * dim;\n\t\tend = i < len - 1 ? holeIndices[ i + 1 ] * dim : data.length;\n\t\tlist = linkedList( data, start, end, dim, false );\n\t\tif ( list === list.next ) list.steiner = true;\n\t\tqueue.push( getLeftmost( list ) );\n\n\t}\n\n\tqueue.sort( compareX );\n\n\t// process holes from left to right\n\tfor ( i = 0; i < queue.length; i ++ ) {\n\n\t\teliminateHole( queue[ i ], outerNode );\n\t\touterNode = filterPoints( outerNode, outerNode.next );\n\n\t}\n\n\treturn outerNode;\n\n}\n\nfunction compareX( a, b ) {\n\n\treturn a.x - b.x;\n\n}\n\n// find a bridge between vertices that connects hole with an outer ring and and link it\nfunction eliminateHole( hole, outerNode ) {\n\n\touterNode = findHoleBridge( hole, outerNode );\n\tif ( outerNode ) {\n\n\t\tconst b = splitPolygon( outerNode, hole );\n\n\t\t// filter collinear points around the cuts\n\t\tfilterPoints( outerNode, outerNode.next );\n\t\tfilterPoints( b, b.next );\n\n\t}\n\n}\n\n// David Eberly's algorithm for finding a bridge between hole and outer polygon\nfunction findHoleBridge( hole, outerNode ) {\n\n\tlet p = outerNode;\n\tconst hx = hole.x;\n\tconst hy = hole.y;\n\tlet qx = - Infinity, m;\n\n\t// find a segment intersected by a ray from the hole's leftmost point to the left;\n\t// segment's endpoint with lesser x will be potential connection point\n\tdo {\n\n\t\tif ( hy <= p.y && hy >= p.next.y && p.next.y !== p.y ) {\n\n\t\t\tconst x = p.x + ( hy - p.y ) * ( p.next.x - p.x ) / ( p.next.y - p.y );\n\t\t\tif ( x <= hx && x > qx ) {\n\n\t\t\t\tqx = x;\n\t\t\t\tif ( x === hx ) {\n\n\t\t\t\t\tif ( hy === p.y ) return p;\n\t\t\t\t\tif ( hy === p.next.y ) return p.next;\n\n\t\t\t\t}\n\n\t\t\t\tm = p.x < p.next.x ? p : p.next;\n\n\t\t\t}\n\n\t\t}\n\n\t\tp = p.next;\n\n\t} while ( p !== outerNode );\n\n\tif ( ! m ) return null;\n\n\tif ( hx === qx ) return m; // hole touches outer segment; pick leftmost endpoint\n\n\t// look for points inside the triangle of hole point, segment intersection and endpoint;\n\t// if there are no points found, we have a valid connection;\n\t// otherwise choose the point of the minimum angle with the ray as connection point\n\n\tconst stop = m,\n\t\tmx = m.x,\n\t\tmy = m.y;\n\tlet tanMin = Infinity, tan;\n\n\tp = m;\n\n\tdo {\n\n\t\tif ( hx >= p.x && p.x >= mx && hx !== p.x &&\n\t\t\t\tpointInTriangle( hy < my ? hx : qx, hy, mx, my, hy < my ? qx : hx, hy, p.x, p.y ) ) {\n\n\t\t\ttan = Math.abs( hy - p.y ) / ( hx - p.x ); // tangential\n\n\t\t\tif ( locallyInside( p, hole ) && ( tan < tanMin || ( tan === tanMin && ( p.x > m.x || ( p.x === m.x && sectorContainsSector( m, p ) ) ) ) ) ) {\n\n\t\t\t\tm = p;\n\t\t\t\ttanMin = tan;\n\n\t\t\t}\n\n\t\t}\n\n\t\tp = p.next;\n\n\t} while ( p !== stop );\n\n\treturn m;\n\n}\n\n// whether sector in vertex m contains sector in vertex p in the same coordinates\nfunction sectorContainsSector( m, p ) {\n\n\treturn area( m.prev, m, p.prev ) < 0 && area( p.next, m, m.next ) < 0;\n\n}\n\n// interlink polygon nodes in z-order\nfunction indexCurve( start, minX, minY, invSize ) {\n\n\tlet p = start;\n\tdo {\n\n\t\tif ( p.z === null ) p.z = zOrder( p.x, p.y, minX, minY, invSize );\n\t\tp.prevZ = p.prev;\n\t\tp.nextZ = p.next;\n\t\tp = p.next;\n\n\t} while ( p !== start );\n\n\tp.prevZ.nextZ = null;\n\tp.prevZ = null;\n\n\tsortLinked( p );\n\n}\n\n// Simon Tatham's linked list merge sort algorithm\n// http://www.chiark.greenend.org.uk/~sgtatham/algorithms/listsort.html\nfunction sortLinked( list ) {\n\n\tlet i, p, q, e, tail, numMerges, pSize, qSize,\n\t\tinSize = 1;\n\n\tdo {\n\n\t\tp = list;\n\t\tlist = null;\n\t\ttail = null;\n\t\tnumMerges = 0;\n\n\t\twhile ( p ) {\n\n\t\t\tnumMerges ++;\n\t\t\tq = p;\n\t\t\tpSize = 0;\n\t\t\tfor ( i = 0; i < inSize; i ++ ) {\n\n\t\t\t\tpSize ++;\n\t\t\t\tq = q.nextZ;\n\t\t\t\tif ( ! q ) break;\n\n\t\t\t}\n\n\t\t\tqSize = inSize;\n\n\t\t\twhile ( pSize > 0 || ( qSize > 0 && q ) ) {\n\n\t\t\t\tif ( pSize !== 0 && ( qSize === 0 || ! q || p.z <= q.z ) ) {\n\n\t\t\t\t\te = p;\n\t\t\t\t\tp = p.nextZ;\n\t\t\t\t\tpSize --;\n\n\t\t\t\t} else {\n\n\t\t\t\t\te = q;\n\t\t\t\t\tq = q.nextZ;\n\t\t\t\t\tqSize --;\n\n\t\t\t\t}\n\n\t\t\t\tif ( tail ) tail.nextZ = e;\n\t\t\t\telse list = e;\n\n\t\t\t\te.prevZ = tail;\n\t\t\t\ttail = e;\n\n\t\t\t}\n\n\t\t\tp = q;\n\n\t\t}\n\n\t\ttail.nextZ = null;\n\t\tinSize *= 2;\n\n\t} while ( numMerges > 1 );\n\n\treturn list;\n\n}\n\n// z-order of a point given coords and inverse of the longer side of data bbox\nfunction zOrder( x, y, minX, minY, invSize ) {\n\n\t// coords are transformed into non-negative 15-bit integer range\n\tx = 32767 * ( x - minX ) * invSize;\n\ty = 32767 * ( y - minY ) * invSize;\n\n\tx = ( x | ( x << 8 ) ) & 0x00FF00FF;\n\tx = ( x | ( x << 4 ) ) & 0x0F0F0F0F;\n\tx = ( x | ( x << 2 ) ) & 0x33333333;\n\tx = ( x | ( x << 1 ) ) & 0x55555555;\n\n\ty = ( y | ( y << 8 ) ) & 0x00FF00FF;\n\ty = ( y | ( y << 4 ) ) & 0x0F0F0F0F;\n\ty = ( y | ( y << 2 ) ) & 0x33333333;\n\ty = ( y | ( y << 1 ) ) & 0x55555555;\n\n\treturn x | ( y << 1 );\n\n}\n\n// find the leftmost node of a polygon ring\nfunction getLeftmost( start ) {\n\n\tlet p = start,\n\t\tleftmost = start;\n\tdo {\n\n\t\tif ( p.x < leftmost.x || ( p.x === leftmost.x && p.y < leftmost.y ) ) leftmost = p;\n\t\tp = p.next;\n\n\t} while ( p !== start );\n\n\treturn leftmost;\n\n}\n\n// check if a point lies within a convex triangle\nfunction pointInTriangle( ax, ay, bx, by, cx, cy, px, py ) {\n\n\treturn ( cx - px ) * ( ay - py ) - ( ax - px ) * ( cy - py ) >= 0 &&\n\t\t\t( ax - px ) * ( by - py ) - ( bx - px ) * ( ay - py ) >= 0 &&\n\t\t\t( bx - px ) * ( cy - py ) - ( cx - px ) * ( by - py ) >= 0;\n\n}\n\n// check if a diagonal between two polygon nodes is valid (lies in polygon interior)\nfunction isValidDiagonal( a, b ) {\n\n\treturn a.next.i !== b.i && a.prev.i !== b.i && ! intersectsPolygon( a, b ) && // dones't intersect other edges\n\t\t( locallyInside( a, b ) && locallyInside( b, a ) && middleInside( a, b ) && // locally visible\n\t\t( area( a.prev, a, b.prev ) || area( a, b.prev, b ) ) || // does not create opposite-facing sectors\n\t\tequals( a, b ) && area( a.prev, a, a.next ) > 0 && area( b.prev, b, b.next ) > 0 ); // special zero-length case\n\n}\n\n// signed area of a triangle\nfunction area( p, q, r ) {\n\n\treturn ( q.y - p.y ) * ( r.x - q.x ) - ( q.x - p.x ) * ( r.y - q.y );\n\n}\n\n// check if two points are equal\nfunction equals( p1, p2 ) {\n\n\treturn p1.x === p2.x && p1.y === p2.y;\n\n}\n\n// check if two segments intersect\nfunction intersects( p1, q1, p2, q2 ) {\n\n\tconst o1 = sign( area( p1, q1, p2 ) );\n\tconst o2 = sign( area( p1, q1, q2 ) );\n\tconst o3 = sign( area( p2, q2, p1 ) );\n\tconst o4 = sign( area( p2, q2, q1 ) );\n\n\tif ( o1 !== o2 && o3 !== o4 ) return true; // general case\n\n\tif ( o1 === 0 && onSegment( p1, p2, q1 ) ) return true; // p1, q1 and p2 are collinear and p2 lies on p1q1\n\tif ( o2 === 0 && onSegment( p1, q2, q1 ) ) return true; // p1, q1 and q2 are collinear and q2 lies on p1q1\n\tif ( o3 === 0 && onSegment( p2, p1, q2 ) ) return true; // p2, q2 and p1 are collinear and p1 lies on p2q2\n\tif ( o4 === 0 && onSegment( p2, q1, q2 ) ) return true; // p2, q2 and q1 are collinear and q1 lies on p2q2\n\n\treturn false;\n\n}\n\n// for collinear points p, q, r, check if point q lies on segment pr\nfunction onSegment( p, q, r ) {\n\n\treturn q.x <= Math.max( p.x, r.x ) && q.x >= Math.min( p.x, r.x ) && q.y <= Math.max( p.y, r.y ) && q.y >= Math.min( p.y, r.y );\n\n}\n\nfunction sign( num ) {\n\n\treturn num > 0 ? 1 : num < 0 ? - 1 : 0;\n\n}\n\n// check if a polygon diagonal intersects any polygon segments\nfunction intersectsPolygon( a, b ) {\n\n\tlet p = a;\n\tdo {\n\n\t\tif ( p.i !== a.i && p.next.i !== a.i && p.i !== b.i && p.next.i !== b.i &&\n\t\t\t\tintersects( p, p.next, a, b ) ) return true;\n\t\tp = p.next;\n\n\t} while ( p !== a );\n\n\treturn false;\n\n}\n\n// check if a polygon diagonal is locally inside the polygon\nfunction locallyInside( a, b ) {\n\n\treturn area( a.prev, a, a.next ) < 0 ?\n\t\tarea( a, b, a.next ) >= 0 && area( a, a.prev, b ) >= 0 :\n\t\tarea( a, b, a.prev ) < 0 || area( a, a.next, b ) < 0;\n\n}\n\n// check if the middle point of a polygon diagonal is inside the polygon\nfunction middleInside( a, b ) {\n\n\tlet p = a,\n\t\tinside = false;\n\tconst px = ( a.x + b.x ) / 2,\n\t\tpy = ( a.y + b.y ) / 2;\n\tdo {\n\n\t\tif ( ( ( p.y > py ) !== ( p.next.y > py ) ) && p.next.y !== p.y &&\n\t\t\t\t( px < ( p.next.x - p.x ) * ( py - p.y ) / ( p.next.y - p.y ) + p.x ) )\n\t\t\tinside = ! inside;\n\t\tp = p.next;\n\n\t} while ( p !== a );\n\n\treturn inside;\n\n}\n\n// link two polygon vertices with a bridge; if the vertices belong to the same ring, it splits polygon into two;\n// if one belongs to the outer ring and another to a hole, it merges it into a single ring\nfunction splitPolygon( a, b ) {\n\n\tconst a2 = new Node( a.i, a.x, a.y ),\n\t\tb2 = new Node( b.i, b.x, b.y ),\n\t\tan = a.next,\n\t\tbp = b.prev;\n\n\ta.next = b;\n\tb.prev = a;\n\n\ta2.next = an;\n\tan.prev = a2;\n\n\tb2.next = a2;\n\ta2.prev = b2;\n\n\tbp.next = b2;\n\tb2.prev = bp;\n\n\treturn b2;\n\n}\n\n// create a node and optionally link it with previous one (in a circular doubly linked list)\nfunction insertNode( i, x, y, last ) {\n\n\tconst p = new Node( i, x, y );\n\n\tif ( ! last ) {\n\n\t\tp.prev = p;\n\t\tp.next = p;\n\n\t} else {\n\n\t\tp.next = last.next;\n\t\tp.prev = last;\n\t\tlast.next.prev = p;\n\t\tlast.next = p;\n\n\t}\n\n\treturn p;\n\n}\n\nfunction removeNode( p ) {\n\n\tp.next.prev = p.prev;\n\tp.prev.next = p.next;\n\n\tif ( p.prevZ ) p.prevZ.nextZ = p.nextZ;\n\tif ( p.nextZ ) p.nextZ.prevZ = p.prevZ;\n\n}\n\nfunction Node( i, x, y ) {\n\n\t// vertex index in coordinates array\n\tthis.i = i;\n\n\t// vertex coordinates\n\tthis.x = x;\n\tthis.y = y;\n\n\t// previous and next vertex nodes in a polygon ring\n\tthis.prev = null;\n\tthis.next = null;\n\n\t// z-order curve value\n\tthis.z = null;\n\n\t// previous and next nodes in z-order\n\tthis.prevZ = null;\n\tthis.nextZ = null;\n\n\t// indicates whether this is a steiner point\n\tthis.steiner = false;\n\n}\n\nfunction signedArea( data, start, end, dim ) {\n\n\tlet sum = 0;\n\tfor ( let i = start, j = end - dim; i < end; i += dim ) {\n\n\t\tsum += ( data[ j ] - data[ i ] ) * ( data[ i + 1 ] + data[ j + 1 ] );\n\t\tj = i;\n\n\t}\n\n\treturn sum;\n\n}\n\nclass ShapeUtils {\n\n\t// calculate area of the contour polygon\n\n\tstatic area( contour ) {\n\n\t\tconst n = contour.length;\n\t\tlet a = 0.0;\n\n\t\tfor ( let p = n - 1, q = 0; q < n; p = q ++ ) {\n\n\t\t\ta += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y;\n\n\t\t}\n\n\t\treturn a * 0.5;\n\n\t}\n\n\tstatic isClockWise( pts ) {\n\n\t\treturn ShapeUtils.area( pts ) < 0;\n\n\t}\n\n\tstatic triangulateShape( contour, holes ) {\n\n\t\tconst vertices = []; // flat array of vertices like [ x0,y0, x1,y1, x2,y2, ... ]\n\t\tconst holeIndices = []; // array of hole indices\n\t\tconst faces = []; // final array of vertex indices like [ [ a,b,d ], [ b,c,d ] ]\n\n\t\tremoveDupEndPts( contour );\n\t\taddContour( vertices, contour );\n\n\t\t//\n\n\t\tlet holeIndex = contour.length;\n\n\t\tholes.forEach( removeDupEndPts );\n\n\t\tfor ( let i = 0; i < holes.length; i ++ ) {\n\n\t\t\tholeIndices.push( holeIndex );\n\t\t\tholeIndex += holes[ i ].length;\n\t\t\taddContour( vertices, holes[ i ] );\n\n\t\t}\n\n\t\t//\n\n\t\tconst triangles = Earcut.triangulate( vertices, holeIndices );\n\n\t\t//\n\n\t\tfor ( let i = 0; i < triangles.length; i += 3 ) {\n\n\t\t\tfaces.push( triangles.slice( i, i + 3 ) );\n\n\t\t}\n\n\t\treturn faces;\n\n\t}\n\n}\n\nfunction removeDupEndPts( points ) {\n\n\tconst l = points.length;\n\n\tif ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) {\n\n\t\tpoints.pop();\n\n\t}\n\n}\n\nfunction addContour( vertices, contour ) {\n\n\tfor ( let i = 0; i < contour.length; i ++ ) {\n\n\t\tvertices.push( contour[ i ].x );\n\t\tvertices.push( contour[ i ].y );\n\n\t}\n\n}\n\n/**\n * Creates extruded geometry from a path shape.\n *\n * parameters = {\n *\n * curveSegments: , // number of points on the curves\n * steps: , // number of points for z-side extrusions / used for subdividing segments of extrude spline too\n * depth: , // Depth to extrude the shape\n *\n * bevelEnabled: , // turn on bevel\n * bevelThickness: , // how deep into the original shape bevel goes\n * bevelSize: , // how far from shape outline (including bevelOffset) is bevel\n * bevelOffset: , // how far from shape outline does bevel start\n * bevelSegments: , // number of bevel layers\n *\n * extrudePath: // curve to extrude shape along\n *\n * UVGenerator: // object that provides UV generator functions\n *\n * }\n */\n\nclass ExtrudeGeometry extends BufferGeometry {\n\n\tconstructor( shapes = new Shape( [ new Vector2( 0.5, 0.5 ), new Vector2( - 0.5, 0.5 ), new Vector2( - 0.5, - 0.5 ), new Vector2( 0.5, - 0.5 ) ] ), options = {} ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ExtrudeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tshapes: shapes,\n\t\t\toptions: options\n\t\t};\n\n\t\tshapes = Array.isArray( shapes ) ? shapes : [ shapes ];\n\n\t\tconst scope = this;\n\n\t\tconst verticesArray = [];\n\t\tconst uvArray = [];\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\t\t\taddShape( shape );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( verticesArray, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvArray, 2 ) );\n\n\t\tthis.computeVertexNormals();\n\n\t\t// functions\n\n\t\tfunction addShape( shape ) {\n\n\t\t\tconst placeholder = [];\n\n\t\t\t// options\n\n\t\t\tconst curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\t\t\tconst steps = options.steps !== undefined ? options.steps : 1;\n\t\t\tlet depth = options.depth !== undefined ? options.depth : 1;\n\n\t\t\tlet bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true;\n\t\t\tlet bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 0.2;\n\t\t\tlet bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 0.1;\n\t\t\tlet bevelOffset = options.bevelOffset !== undefined ? options.bevelOffset : 0;\n\t\t\tlet bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3;\n\n\t\t\tconst extrudePath = options.extrudePath;\n\n\t\t\tconst uvgen = options.UVGenerator !== undefined ? options.UVGenerator : WorldUVGenerator;\n\n\t\t\t// deprecated options\n\n\t\t\tif ( options.amount !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ExtrudeBufferGeometry: amount has been renamed to depth.' );\n\t\t\t\tdepth = options.amount;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tlet extrudePts, extrudeByPath = false;\n\t\t\tlet splineTube, binormal, normal, position2;\n\n\t\t\tif ( extrudePath ) {\n\n\t\t\t\textrudePts = extrudePath.getSpacedPoints( steps );\n\n\t\t\t\textrudeByPath = true;\n\t\t\t\tbevelEnabled = false; // bevels not supported for path extrusion\n\n\t\t\t\t// SETUP TNB variables\n\n\t\t\t\t// TODO1 - have a .isClosed in spline?\n\n\t\t\t\tsplineTube = extrudePath.computeFrenetFrames( steps, false );\n\n\t\t\t\t// console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length);\n\n\t\t\t\tbinormal = new Vector3();\n\t\t\t\tnormal = new Vector3();\n\t\t\t\tposition2 = new Vector3();\n\n\t\t\t}\n\n\t\t\t// Safeguards if bevels are not enabled\n\n\t\t\tif ( ! bevelEnabled ) {\n\n\t\t\t\tbevelSegments = 0;\n\t\t\t\tbevelThickness = 0;\n\t\t\t\tbevelSize = 0;\n\t\t\t\tbevelOffset = 0;\n\n\t\t\t}\n\n\t\t\t// Variables initialization\n\n\t\t\tconst shapePoints = shape.extractPoints( curveSegments );\n\n\t\t\tlet vertices = shapePoints.shape;\n\t\t\tconst holes = shapePoints.holes;\n\n\t\t\tconst reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\t\tif ( reverse ) {\n\n\t\t\t\tvertices = vertices.reverse();\n\n\t\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe ...\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\t\tif ( ShapeUtils.isClockWise( ahole ) ) {\n\n\t\t\t\t\t\tholes[ h ] = ahole.reverse();\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\tconst faces = ShapeUtils.triangulateShape( vertices, holes );\n\n\t\t\t/* Vertices */\n\n\t\t\tconst contour = vertices; // vertices has all points but contour has only points of circumference\n\n\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\tvertices = vertices.concat( ahole );\n\n\t\t\t}\n\n\n\t\t\tfunction scalePt2( pt, vec, size ) {\n\n\t\t\t\tif ( ! vec ) console.error( 'THREE.ExtrudeGeometry: vec does not exist' );\n\n\t\t\t\treturn vec.clone().multiplyScalar( size ).add( pt );\n\n\t\t\t}\n\n\t\t\tconst vlen = vertices.length, flen = faces.length;\n\n\n\t\t\t// Find directions for point movement\n\n\n\t\t\tfunction getBevelVec( inPt, inPrev, inNext ) {\n\n\t\t\t\t// computes for inPt the corresponding point inPt' on a new contour\n\t\t\t\t// shifted by 1 unit (length of normalized vector) to the left\n\t\t\t\t// if we walk along contour clockwise, this new contour is outside the old one\n\t\t\t\t//\n\t\t\t\t// inPt' is the intersection of the two lines parallel to the two\n\t\t\t\t// adjacent edges of inPt at a distance of 1 unit on the left side.\n\n\t\t\t\tlet v_trans_x, v_trans_y, shrink_by; // resulting translation vector for inPt\n\n\t\t\t\t// good reading for geometry algorithms (here: line-line intersection)\n\t\t\t\t// http://geomalgorithms.com/a05-_intersect-1.html\n\n\t\t\t\tconst v_prev_x = inPt.x - inPrev.x,\n\t\t\t\t\tv_prev_y = inPt.y - inPrev.y;\n\t\t\t\tconst v_next_x = inNext.x - inPt.x,\n\t\t\t\t\tv_next_y = inNext.y - inPt.y;\n\n\t\t\t\tconst v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y );\n\n\t\t\t\t// check for collinear edges\n\t\t\t\tconst collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\tif ( Math.abs( collinear0 ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not collinear\n\n\t\t\t\t\t// length of vectors for normalizing\n\n\t\t\t\t\tconst v_prev_len = Math.sqrt( v_prev_lensq );\n\t\t\t\t\tconst v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y );\n\n\t\t\t\t\t// shift adjacent points by unit vectors to the left\n\n\t\t\t\t\tconst ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len );\n\t\t\t\t\tconst ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len );\n\n\t\t\t\t\tconst ptNextShift_x = ( inNext.x - v_next_y / v_next_len );\n\t\t\t\t\tconst ptNextShift_y = ( inNext.y + v_next_x / v_next_len );\n\n\t\t\t\t\t// scaling factor for v_prev to intersection point\n\n\t\t\t\t\tconst sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y -\n\t\t\t\t\t\t\t( ptNextShift_y - ptPrevShift_y ) * v_next_x ) /\n\t\t\t\t\t\t( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\t\t// vector from inPt to intersection point\n\n\t\t\t\t\tv_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x );\n\t\t\t\t\tv_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y );\n\n\t\t\t\t\t// Don't normalize!, otherwise sharp corners become ugly\n\t\t\t\t\t// but prevent crazy spikes\n\t\t\t\t\tconst v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y );\n\t\t\t\t\tif ( v_trans_lensq <= 2 ) {\n\n\t\t\t\t\t\treturn new Vector2( v_trans_x, v_trans_y );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_trans_lensq / 2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// handle special case of collinear edges\n\n\t\t\t\t\tlet direction_eq = false; // assumes: opposite\n\n\t\t\t\t\tif ( v_prev_x > Number.EPSILON ) {\n\n\t\t\t\t\t\tif ( v_next_x > Number.EPSILON ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( v_prev_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\tif ( v_next_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) {\n\n\t\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( direction_eq ) {\n\n\t\t\t\t\t\t// console.log(\"Warning: lines are a straight sequence\");\n\t\t\t\t\t\tv_trans_x = - v_prev_y;\n\t\t\t\t\t\tv_trans_y = v_prev_x;\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// console.log(\"Warning: lines are a straight spike\");\n\t\t\t\t\t\tv_trans_x = v_prev_x;\n\t\t\t\t\t\tv_trans_y = v_prev_y;\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq / 2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn new Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by );\n\n\t\t\t}\n\n\n\t\t\tconst contourMovements = [];\n\n\t\t\tfor ( let i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t// (j)---(i)---(k)\n\t\t\t\t// console.log('i,j,k', i, j , k)\n\n\t\t\t\tcontourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] );\n\n\t\t\t}\n\n\t\t\tconst holesMovements = [];\n\t\t\tlet oneHoleMovements, verticesMovements = contourMovements.concat();\n\n\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\toneHoleMovements = [];\n\n\t\t\t\tfor ( let i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t\t// (j)---(i)---(k)\n\t\t\t\t\toneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] );\n\n\t\t\t\t}\n\n\t\t\t\tholesMovements.push( oneHoleMovements );\n\t\t\t\tverticesMovements = verticesMovements.concat( oneHoleMovements );\n\n\t\t\t}\n\n\n\t\t\t// Loop bevelSegments, 1 for the front, 1 for the back\n\n\t\t\tfor ( let b = 0; b < bevelSegments; b ++ ) {\n\n\t\t\t\t//for ( b = bevelSegments; b > 0; b -- ) {\n\n\t\t\t\tconst t = b / bevelSegments;\n\t\t\t\tconst z = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\t\tconst bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset;\n\n\t\t\t\t// contract shape\n\n\t\t\t\tfor ( let i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst vert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\n\t\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t\t}\n\n\t\t\t\t// expand holes\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\t\tfor ( let i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst bs = bevelSize + bevelOffset;\n\n\t\t\t// Back facing vertices\n\n\t\t\tfor ( let i = 0; i < vlen; i ++ ) {\n\n\t\t\t\tconst vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\tv( vert.x, vert.y, 0 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x );\n\n\t\t\t\t\tnormal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x );\n\t\t\t\t\tbinormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\tposition2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal );\n\n\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Add stepped vertices...\n\t\t\t// Including front facing vertices\n\n\t\t\tfor ( let s = 1; s <= steps; s ++ ) {\n\n\t\t\t\tfor ( let i = 0; i < vlen; i ++ ) {\n\n\t\t\t\t\tconst vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\tv( vert.x, vert.y, depth / steps * s );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x );\n\n\t\t\t\t\t\tnormal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x );\n\t\t\t\t\t\tbinormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\t\tposition2.copy( extrudePts[ s ] ).add( normal ).add( binormal );\n\n\t\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\t// Add bevel segments planes\n\n\t\t\t//for ( b = 1; b <= bevelSegments; b ++ ) {\n\t\t\tfor ( let b = bevelSegments - 1; b >= 0; b -- ) {\n\n\t\t\t\tconst t = b / bevelSegments;\n\t\t\t\tconst z = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\t\tconst bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset;\n\n\t\t\t\t// contract shape\n\n\t\t\t\tfor ( let i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst vert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\t\t\t\t\tv( vert.x, vert.y, depth + z );\n\n\t\t\t\t}\n\n\t\t\t\t// expand holes\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\t\tfor ( let i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\t\tv( vert.x, vert.y, depth + z );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tv( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t/* Faces */\n\n\t\t\t// Top and bottom faces\n\n\t\t\tbuildLidFaces();\n\n\t\t\t// Sides faces\n\n\t\t\tbuildSideFaces();\n\n\n\t\t\t///// Internal functions\n\n\t\t\tfunction buildLidFaces() {\n\n\t\t\t\tconst start = verticesArray.length / 3;\n\n\t\t\t\tif ( bevelEnabled ) {\n\n\t\t\t\t\tlet layer = 0; // steps + 1\n\t\t\t\t\tlet offset = vlen * layer;\n\n\t\t\t\t\t// Bottom faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tlayer = steps + bevelSegments * 2;\n\t\t\t\t\toffset = vlen * layer;\n\n\t\t\t\t\t// Top faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Bottom faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 2 ], face[ 1 ], face[ 0 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Top faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tscope.addGroup( start, verticesArray.length / 3 - start, 0 );\n\n\t\t\t}\n\n\t\t\t// Create faces for the z-sides of the shape\n\n\t\t\tfunction buildSideFaces() {\n\n\t\t\t\tconst start = verticesArray.length / 3;\n\t\t\t\tlet layeroffset = 0;\n\t\t\t\tsidewalls( contour, layeroffset );\n\t\t\t\tlayeroffset += contour.length;\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\tsidewalls( ahole, layeroffset );\n\n\t\t\t\t\t//, true\n\t\t\t\t\tlayeroffset += ahole.length;\n\n\t\t\t\t}\n\n\n\t\t\t\tscope.addGroup( start, verticesArray.length / 3 - start, 1 );\n\n\n\t\t\t}\n\n\t\t\tfunction sidewalls( contour, layeroffset ) {\n\n\t\t\t\tlet i = contour.length;\n\n\t\t\t\twhile ( -- i >= 0 ) {\n\n\t\t\t\t\tconst j = i;\n\t\t\t\t\tlet k = i - 1;\n\t\t\t\t\tif ( k < 0 ) k = contour.length - 1;\n\n\t\t\t\t\t//console.log('b', i,j, i-1, k,vertices.length);\n\n\t\t\t\t\tfor ( let s = 0, sl = ( steps + bevelSegments * 2 ); s < sl; s ++ ) {\n\n\t\t\t\t\t\tconst slen1 = vlen * s;\n\t\t\t\t\t\tconst slen2 = vlen * ( s + 1 );\n\n\t\t\t\t\t\tconst a = layeroffset + j + slen1,\n\t\t\t\t\t\t\tb = layeroffset + k + slen1,\n\t\t\t\t\t\t\tc = layeroffset + k + slen2,\n\t\t\t\t\t\t\td = layeroffset + j + slen2;\n\n\t\t\t\t\t\tf4( a, b, c, d );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction v( x, y, z ) {\n\n\t\t\t\tplaceholder.push( x );\n\t\t\t\tplaceholder.push( y );\n\t\t\t\tplaceholder.push( z );\n\n\t\t\t}\n\n\n\t\t\tfunction f3( a, b, c ) {\n\n\t\t\t\taddVertex( a );\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( c );\n\n\t\t\t\tconst nextIndex = verticesArray.length / 3;\n\t\t\t\tconst uvs = uvgen.generateTopUV( scope, verticesArray, nextIndex - 3, nextIndex - 2, nextIndex - 1 );\n\n\t\t\t\taddUV( uvs[ 0 ] );\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 2 ] );\n\n\t\t\t}\n\n\t\t\tfunction f4( a, b, c, d ) {\n\n\t\t\t\taddVertex( a );\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( d );\n\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( c );\n\t\t\t\taddVertex( d );\n\n\n\t\t\t\tconst nextIndex = verticesArray.length / 3;\n\t\t\t\tconst uvs = uvgen.generateSideWallUV( scope, verticesArray, nextIndex - 6, nextIndex - 3, nextIndex - 2, nextIndex - 1 );\n\n\t\t\t\taddUV( uvs[ 0 ] );\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 3 ] );\n\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 2 ] );\n\t\t\t\taddUV( uvs[ 3 ] );\n\n\t\t\t}\n\n\t\t\tfunction addVertex( index ) {\n\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 0 ] );\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 1 ] );\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 2 ] );\n\n\t\t\t}\n\n\n\t\t\tfunction addUV( vector2 ) {\n\n\t\t\t\tuvArray.push( vector2.x );\n\t\t\t\tuvArray.push( vector2.y );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tconst shapes = this.parameters.shapes;\n\t\tconst options = this.parameters.options;\n\n\t\treturn toJSON$1( shapes, options, data );\n\n\t}\n\n\tstatic fromJSON( data, shapes ) {\n\n\t\tconst geometryShapes = [];\n\n\t\tfor ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) {\n\n\t\t\tconst shape = shapes[ data.shapes[ j ] ];\n\n\t\t\tgeometryShapes.push( shape );\n\n\t\t}\n\n\t\tconst extrudePath = data.options.extrudePath;\n\n\t\tif ( extrudePath !== undefined ) {\n\n\t\t\tdata.options.extrudePath = new Curves[ extrudePath.type ]().fromJSON( extrudePath );\n\n\t\t}\n\n\t\treturn new ExtrudeGeometry( geometryShapes, data.options );\n\n\t}\n\n}\n\nconst WorldUVGenerator = {\n\n\tgenerateTopUV: function ( geometry, vertices, indexA, indexB, indexC ) {\n\n\t\tconst a_x = vertices[ indexA * 3 ];\n\t\tconst a_y = vertices[ indexA * 3 + 1 ];\n\t\tconst b_x = vertices[ indexB * 3 ];\n\t\tconst b_y = vertices[ indexB * 3 + 1 ];\n\t\tconst c_x = vertices[ indexC * 3 ];\n\t\tconst c_y = vertices[ indexC * 3 + 1 ];\n\n\t\treturn [\n\t\t\tnew Vector2( a_x, a_y ),\n\t\t\tnew Vector2( b_x, b_y ),\n\t\t\tnew Vector2( c_x, c_y )\n\t\t];\n\n\t},\n\n\tgenerateSideWallUV: function ( geometry, vertices, indexA, indexB, indexC, indexD ) {\n\n\t\tconst a_x = vertices[ indexA * 3 ];\n\t\tconst a_y = vertices[ indexA * 3 + 1 ];\n\t\tconst a_z = vertices[ indexA * 3 + 2 ];\n\t\tconst b_x = vertices[ indexB * 3 ];\n\t\tconst b_y = vertices[ indexB * 3 + 1 ];\n\t\tconst b_z = vertices[ indexB * 3 + 2 ];\n\t\tconst c_x = vertices[ indexC * 3 ];\n\t\tconst c_y = vertices[ indexC * 3 + 1 ];\n\t\tconst c_z = vertices[ indexC * 3 + 2 ];\n\t\tconst d_x = vertices[ indexD * 3 ];\n\t\tconst d_y = vertices[ indexD * 3 + 1 ];\n\t\tconst d_z = vertices[ indexD * 3 + 2 ];\n\n\t\tif ( Math.abs( a_y - b_y ) < Math.abs( a_x - b_x ) ) {\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a_x, 1 - a_z ),\n\t\t\t\tnew Vector2( b_x, 1 - b_z ),\n\t\t\t\tnew Vector2( c_x, 1 - c_z ),\n\t\t\t\tnew Vector2( d_x, 1 - d_z )\n\t\t\t];\n\n\t\t} else {\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a_y, 1 - a_z ),\n\t\t\t\tnew Vector2( b_y, 1 - b_z ),\n\t\t\t\tnew Vector2( c_y, 1 - c_z ),\n\t\t\t\tnew Vector2( d_y, 1 - d_z )\n\t\t\t];\n\n\t\t}\n\n\t}\n\n};\n\nfunction toJSON$1( shapes, options, data ) {\n\n\tdata.shapes = [];\n\n\tif ( Array.isArray( shapes ) ) {\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\n\t\t\tdata.shapes.push( shape.uuid );\n\n\t\t}\n\n\t} else {\n\n\t\tdata.shapes.push( shapes.uuid );\n\n\t}\n\n\tif ( options.extrudePath !== undefined ) data.options.extrudePath = options.extrudePath.toJSON();\n\n\treturn data;\n\n}\n\nclass IcosahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\n\t\tconst vertices = [\n\t\t\t- 1, t, 0, \t1, t, 0, \t- 1, - t, 0, \t1, - t, 0,\n\t\t\t0, - 1, t, \t0, 1, t,\t0, - 1, - t, \t0, 1, - t,\n\t\t\tt, 0, - 1, \tt, 0, 1, \t- t, 0, - 1, \t- t, 0, 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t0, 11, 5, \t0, 5, 1, \t0, 1, 7, \t0, 7, 10, \t0, 10, 11,\n\t\t\t1, 5, 9, \t5, 11, 4,\t11, 10, 2,\t10, 7, 6,\t7, 1, 8,\n\t\t\t3, 9, 4, \t3, 4, 2,\t3, 2, 6,\t3, 6, 8,\t3, 8, 9,\n\t\t\t4, 9, 5, \t2, 4, 11,\t6, 2, 10,\t8, 6, 7,\t9, 8, 1\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'IcosahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new IcosahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nclass LatheGeometry extends BufferGeometry {\n\n\tconstructor( points = [ new Vector2( 0, 0.5 ), new Vector2( 0.5, 0 ), new Vector2( 0, - 0.5 ) ], segments = 12, phiStart = 0, phiLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LatheGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tsegments = Math.floor( segments );\n\n\t\t// clamp phiLength so it's in range of [ 0, 2PI ]\n\n\t\tphiLength = clamp( phiLength, 0, Math.PI * 2 );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst inverseSegments = 1.0 / segments;\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\n\t\t// generate vertices and uvs\n\n\t\tfor ( let i = 0; i <= segments; i ++ ) {\n\n\t\t\tconst phi = phiStart + i * inverseSegments * phiLength;\n\n\t\t\tconst sin = Math.sin( phi );\n\t\t\tconst cos = Math.cos( phi );\n\n\t\t\tfor ( let j = 0; j <= ( points.length - 1 ); j ++ ) {\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = points[ j ].x * sin;\n\t\t\t\tvertex.y = points[ j ].y;\n\t\t\t\tvertex.z = points[ j ].x * cos;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = i / segments;\n\t\t\t\tuv.y = j / ( points.length - 1 );\n\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\n\t\t\t}\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let i = 0; i < segments; i ++ ) {\n\n\t\t\tfor ( let j = 0; j < ( points.length - 1 ); j ++ ) {\n\n\t\t\t\tconst base = j + i * points.length;\n\n\t\t\t\tconst a = base;\n\t\t\t\tconst b = base + points.length;\n\t\t\t\tconst c = base + points.length + 1;\n\t\t\t\tconst d = base + 1;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\t// generate normals\n\n\t\tthis.computeVertexNormals();\n\n\t\t// if the geometry is closed, we need to average the normals along the seam.\n\t\t// because the corresponding vertices are identical (but still have different UVs).\n\n\t\tif ( phiLength === Math.PI * 2 ) {\n\n\t\t\tconst normals = this.attributes.normal.array;\n\t\t\tconst n1 = new Vector3();\n\t\t\tconst n2 = new Vector3();\n\t\t\tconst n = new Vector3();\n\n\t\t\t// this is the buffer offset for the last line of vertices\n\n\t\t\tconst base = segments * points.length * 3;\n\n\t\t\tfor ( let i = 0, j = 0; i < points.length; i ++, j += 3 ) {\n\n\t\t\t\t// select the normal of the vertex in the first line\n\n\t\t\t\tn1.x = normals[ j + 0 ];\n\t\t\t\tn1.y = normals[ j + 1 ];\n\t\t\t\tn1.z = normals[ j + 2 ];\n\n\t\t\t\t// select the normal of the vertex in the last line\n\n\t\t\t\tn2.x = normals[ base + j + 0 ];\n\t\t\t\tn2.y = normals[ base + j + 1 ];\n\t\t\t\tn2.z = normals[ base + j + 2 ];\n\n\t\t\t\t// average normals\n\n\t\t\t\tn.addVectors( n1, n2 ).normalize();\n\n\t\t\t\t// assign the new values to both normals\n\n\t\t\t\tnormals[ j + 0 ] = normals[ base + j + 0 ] = n.x;\n\t\t\t\tnormals[ j + 1 ] = normals[ base + j + 1 ] = n.y;\n\t\t\t\tnormals[ j + 2 ] = normals[ base + j + 2 ] = n.z;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new LatheGeometry( data.points, data.segments, data.phiStart, data.phiLength );\n\n\t}\n\n}\n\nclass OctahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst vertices = [\n\t\t\t1, 0, 0, \t- 1, 0, 0,\t0, 1, 0,\n\t\t\t0, - 1, 0, \t0, 0, 1,\t0, 0, - 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t0, 2, 4,\t0, 4, 3,\t0, 3, 5,\n\t\t\t0, 5, 2,\t1, 2, 5,\t1, 5, 3,\n\t\t\t1, 3, 4,\t1, 4, 2\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'OctahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new OctahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nclass RingGeometry extends BufferGeometry {\n\n\tconstructor( innerRadius = 0.5, outerRadius = 1, thetaSegments = 8, phiSegments = 1, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'RingGeometry';\n\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthetaSegments = Math.max( 3, thetaSegments );\n\t\tphiSegments = Math.max( 1, phiSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// some helper variables\n\n\t\tlet radius = innerRadius;\n\t\tconst radiusStep = ( ( outerRadius - innerRadius ) / phiSegments );\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let j = 0; j <= phiSegments; j ++ ) {\n\n\t\t\tfor ( let i = 0; i <= thetaSegments; i ++ ) {\n\n\t\t\t\t// values are generate from the inside of the ring to the outside\n\n\t\t\t\tconst segment = thetaStart + i / thetaSegments * thetaLength;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\t\tvertex.y = radius * Math.sin( segment );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = ( vertex.x / outerRadius + 1 ) / 2;\n\t\t\t\tuv.y = ( vertex.y / outerRadius + 1 ) / 2;\n\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t}\n\n\t\t\t// increase the radius for next row of vertices\n\n\t\t\tradius += radiusStep;\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let j = 0; j < phiSegments; j ++ ) {\n\n\t\t\tconst thetaSegmentLevel = j * ( thetaSegments + 1 );\n\n\t\t\tfor ( let i = 0; i < thetaSegments; i ++ ) {\n\n\t\t\t\tconst segment = i + thetaSegmentLevel;\n\n\t\t\t\tconst a = segment;\n\t\t\t\tconst b = segment + thetaSegments + 1;\n\t\t\t\tconst c = segment + thetaSegments + 2;\n\t\t\t\tconst d = segment + 1;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new RingGeometry( data.innerRadius, data.outerRadius, data.thetaSegments, data.phiSegments, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass ShapeGeometry extends BufferGeometry {\n\n\tconstructor( shapes = new Shape( [ new Vector2( 0, 0.5 ), new Vector2( - 0.5, - 0.5 ), new Vector2( 0.5, - 0.5 ) ] ), curveSegments = 12 ) {\n\n\t\tsuper();\n\t\tthis.type = 'ShapeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tshapes: shapes,\n\t\t\tcurveSegments: curveSegments\n\t\t};\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet groupStart = 0;\n\t\tlet groupCount = 0;\n\n\t\t// allow single and array values for \"shapes\" parameter\n\n\t\tif ( Array.isArray( shapes ) === false ) {\n\n\t\t\taddShape( shapes );\n\n\t\t} else {\n\n\t\t\tfor ( let i = 0; i < shapes.length; i ++ ) {\n\n\t\t\t\taddShape( shapes[ i ] );\n\n\t\t\t\tthis.addGroup( groupStart, groupCount, i ); // enables MultiMaterial support\n\n\t\t\t\tgroupStart += groupCount;\n\t\t\t\tgroupCount = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\n\t\t// helper functions\n\n\t\tfunction addShape( shape ) {\n\n\t\t\tconst indexOffset = vertices.length / 3;\n\t\t\tconst points = shape.extractPoints( curveSegments );\n\n\t\t\tlet shapeVertices = points.shape;\n\t\t\tconst shapeHoles = points.holes;\n\n\t\t\t// check direction of vertices\n\n\t\t\tif ( ShapeUtils.isClockWise( shapeVertices ) === false ) {\n\n\t\t\t\tshapeVertices = shapeVertices.reverse();\n\n\t\t\t}\n\n\t\t\tfor ( let i = 0, l = shapeHoles.length; i < l; i ++ ) {\n\n\t\t\t\tconst shapeHole = shapeHoles[ i ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( shapeHole ) === true ) {\n\n\t\t\t\t\tshapeHoles[ i ] = shapeHole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst faces = ShapeUtils.triangulateShape( shapeVertices, shapeHoles );\n\n\t\t\t// join vertices of inner and outer paths to a single array\n\n\t\t\tfor ( let i = 0, l = shapeHoles.length; i < l; i ++ ) {\n\n\t\t\t\tconst shapeHole = shapeHoles[ i ];\n\t\t\t\tshapeVertices = shapeVertices.concat( shapeHole );\n\n\t\t\t}\n\n\t\t\t// vertices, normals, uvs\n\n\t\t\tfor ( let i = 0, l = shapeVertices.length; i < l; i ++ ) {\n\n\t\t\t\tconst vertex = shapeVertices[ i ];\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, 0 );\n\t\t\t\tnormals.push( 0, 0, 1 );\n\t\t\t\tuvs.push( vertex.x, vertex.y ); // world uvs\n\n\t\t\t}\n\n\t\t\t// incides\n\n\t\t\tfor ( let i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tconst face = faces[ i ];\n\n\t\t\t\tconst a = face[ 0 ] + indexOffset;\n\t\t\t\tconst b = face[ 1 ] + indexOffset;\n\t\t\t\tconst c = face[ 2 ] + indexOffset;\n\n\t\t\t\tindices.push( a, b, c );\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tconst shapes = this.parameters.shapes;\n\n\t\treturn toJSON( shapes, data );\n\n\t}\n\n\tstatic fromJSON( data, shapes ) {\n\n\t\tconst geometryShapes = [];\n\n\t\tfor ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) {\n\n\t\t\tconst shape = shapes[ data.shapes[ j ] ];\n\n\t\t\tgeometryShapes.push( shape );\n\n\t\t}\n\n\t\treturn new ShapeGeometry( geometryShapes, data.curveSegments );\n\n\t}\n\n}\n\nfunction toJSON( shapes, data ) {\n\n\tdata.shapes = [];\n\n\tif ( Array.isArray( shapes ) ) {\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\n\t\t\tdata.shapes.push( shape.uuid );\n\n\t\t}\n\n\t} else {\n\n\t\tdata.shapes.push( shapes.uuid );\n\n\t}\n\n\treturn data;\n\n}\n\nclass SphereGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, widthSegments = 32, heightSegments = 16, phiStart = 0, phiLength = Math.PI * 2, thetaStart = 0, thetaLength = Math.PI ) {\n\n\t\tsuper();\n\t\tthis.type = 'SphereGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\twidthSegments = Math.max( 3, Math.floor( widthSegments ) );\n\t\theightSegments = Math.max( 2, Math.floor( heightSegments ) );\n\n\t\tconst thetaEnd = Math.min( thetaStart + thetaLength, Math.PI );\n\n\t\tlet index = 0;\n\t\tconst grid = [];\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let iy = 0; iy <= heightSegments; iy ++ ) {\n\n\t\t\tconst verticesRow = [];\n\n\t\t\tconst v = iy / heightSegments;\n\n\t\t\t// special case for the poles\n\n\t\t\tlet uOffset = 0;\n\n\t\t\tif ( iy == 0 && thetaStart == 0 ) {\n\n\t\t\t\tuOffset = 0.5 / widthSegments;\n\n\t\t\t} else if ( iy == heightSegments && thetaEnd == Math.PI ) {\n\n\t\t\t\tuOffset = - 0.5 / widthSegments;\n\n\t\t\t}\n\n\t\t\tfor ( let ix = 0; ix <= widthSegments; ix ++ ) {\n\n\t\t\t\tconst u = ix / widthSegments;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\t\t\t\tvertex.y = radius * Math.cos( thetaStart + v * thetaLength );\n\t\t\t\tvertex.z = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.copy( vertex ).normalize();\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( u + uOffset, 1 - v );\n\n\t\t\t\tverticesRow.push( index ++ );\n\n\t\t\t}\n\n\t\t\tgrid.push( verticesRow );\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let iy = 0; iy < heightSegments; iy ++ ) {\n\n\t\t\tfor ( let ix = 0; ix < widthSegments; ix ++ ) {\n\n\t\t\t\tconst a = grid[ iy ][ ix + 1 ];\n\t\t\t\tconst b = grid[ iy ][ ix ];\n\t\t\t\tconst c = grid[ iy + 1 ][ ix ];\n\t\t\t\tconst d = grid[ iy + 1 ][ ix + 1 ];\n\n\t\t\t\tif ( iy !== 0 || thetaStart > 0 ) indices.push( a, b, d );\n\t\t\t\tif ( iy !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new SphereGeometry( data.radius, data.widthSegments, data.heightSegments, data.phiStart, data.phiLength, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass TetrahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst vertices = [\n\t\t\t1, 1, 1, \t- 1, - 1, 1, \t- 1, 1, - 1, \t1, - 1, - 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t2, 1, 0, \t0, 3, 2,\t1, 3, 0,\t2, 3, 1\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'TetrahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new TetrahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nclass TorusGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, tube = 0.4, radialSegments = 8, tubularSegments = 6, arc = Math.PI * 2 ) {\n\n\t\tsuper();\n\t\tthis.type = 'TorusGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tradialSegments = Math.floor( radialSegments );\n\t\ttubularSegments = Math.floor( tubularSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst center = new Vector3();\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( let i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tconst u = i / tubularSegments * arc;\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u );\n\t\t\t\tvertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u );\n\t\t\t\tvertex.z = tube * Math.sin( v );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tcenter.x = radius * Math.cos( u );\n\t\t\t\tcenter.y = radius * Math.sin( u );\n\t\t\t\tnormal.subVectors( vertex, center ).normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( i / tubularSegments );\n\t\t\t\tuvs.push( j / radialSegments );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( let j = 1; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( let i = 1; i <= tubularSegments; i ++ ) {\n\n\t\t\t\t// indices\n\n\t\t\t\tconst a = ( tubularSegments + 1 ) * j + i - 1;\n\t\t\t\tconst b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1;\n\t\t\t\tconst c = ( tubularSegments + 1 ) * ( j - 1 ) + i;\n\t\t\t\tconst d = ( tubularSegments + 1 ) * j + i;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new TorusGeometry( data.radius, data.tube, data.radialSegments, data.tubularSegments, data.arc );\n\n\t}\n\n}\n\nclass TorusKnotGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, tube = 0.4, tubularSegments = 64, radialSegments = 8, p = 2, q = 3 ) {\n\n\t\tsuper();\n\t\tthis.type = 'TorusKnotGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\ttubularSegments = Math.floor( tubularSegments );\n\t\tradialSegments = Math.floor( radialSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\tconst P1 = new Vector3();\n\t\tconst P2 = new Vector3();\n\n\t\tconst B = new Vector3();\n\t\tconst T = new Vector3();\n\t\tconst N = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let i = 0; i <= tubularSegments; ++ i ) {\n\n\t\t\t// the radian \"u\" is used to calculate the position on the torus curve of the current tubular segement\n\n\t\t\tconst u = i / tubularSegments * p * Math.PI * 2;\n\n\t\t\t// now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead.\n\t\t\t// these points are used to create a special \"coordinate space\", which is necessary to calculate the correct vertex positions\n\n\t\t\tcalculatePositionOnCurve( u, p, q, radius, P1 );\n\t\t\tcalculatePositionOnCurve( u + 0.01, p, q, radius, P2 );\n\n\t\t\t// calculate orthonormal basis\n\n\t\t\tT.subVectors( P2, P1 );\n\t\t\tN.addVectors( P2, P1 );\n\t\t\tB.crossVectors( T, N );\n\t\t\tN.crossVectors( B, T );\n\n\t\t\t// normalize B, N. T can be ignored, we don't use it\n\n\t\t\tB.normalize();\n\t\t\tN.normalize();\n\n\t\t\tfor ( let j = 0; j <= radialSegments; ++ j ) {\n\n\t\t\t\t// now calculate the vertices. they are nothing more than an extrusion of the torus curve.\n\t\t\t\t// because we extrude a shape in the xy-plane, there is no need to calculate a z-value.\n\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\t\t\t\tconst cx = - tube * Math.cos( v );\n\t\t\t\tconst cy = tube * Math.sin( v );\n\n\t\t\t\t// now calculate the final vertex position.\n\t\t\t\t// first we orient the extrusion with our basis vectos, then we add it to the current position on the curve\n\n\t\t\t\tvertex.x = P1.x + ( cx * N.x + cy * B.x );\n\t\t\t\tvertex.y = P1.y + ( cx * N.y + cy * B.y );\n\t\t\t\tvertex.z = P1.z + ( cx * N.z + cy * B.z );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal)\n\n\t\t\t\tnormal.subVectors( vertex, P1 ).normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( i / tubularSegments );\n\t\t\t\tuvs.push( j / radialSegments );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( let j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\tfor ( let i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t// indices\n\n\t\t\t\tconst a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\tconst b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\tconst c = ( radialSegments + 1 ) * j + i;\n\t\t\t\tconst d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\t// this function calculates the current position on the torus curve\n\n\t\tfunction calculatePositionOnCurve( u, p, q, radius, position ) {\n\n\t\t\tconst cu = Math.cos( u );\n\t\t\tconst su = Math.sin( u );\n\t\t\tconst quOverP = q / p * u;\n\t\t\tconst cs = Math.cos( quOverP );\n\n\t\t\tposition.x = radius * ( 2 + cs ) * 0.5 * cu;\n\t\t\tposition.y = radius * ( 2 + cs ) * su * 0.5;\n\t\t\tposition.z = radius * Math.sin( quOverP ) * 0.5;\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new TorusKnotGeometry( data.radius, data.tube, data.tubularSegments, data.radialSegments, data.p, data.q );\n\n\t}\n\n}\n\nclass TubeGeometry extends BufferGeometry {\n\n\tconstructor( path = new QuadraticBezierCurve3( new Vector3( - 1, - 1, 0 ), new Vector3( - 1, 1, 0 ), new Vector3( 1, 1, 0 ) ), tubularSegments = 64, radius = 1, radialSegments = 8, closed = false ) {\n\n\t\tsuper();\n\t\tthis.type = 'TubeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\tconst frames = path.computeFrenetFrames( tubularSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = frames.tangents;\n\t\tthis.normals = frames.normals;\n\t\tthis.binormals = frames.binormals;\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\t\tconst uv = new Vector2();\n\t\tlet P = new Vector3();\n\n\t\t// buffer\n\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\t\tconst indices = [];\n\n\t\t// create buffer data\n\n\t\tgenerateBufferData();\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\t// functions\n\n\t\tfunction generateBufferData() {\n\n\t\t\tfor ( let i = 0; i < tubularSegments; i ++ ) {\n\n\t\t\t\tgenerateSegment( i );\n\n\t\t\t}\n\n\t\t\t// if the geometry is not closed, generate the last row of vertices and normals\n\t\t\t// at the regular position on the given path\n\t\t\t//\n\t\t\t// if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ)\n\n\t\t\tgenerateSegment( ( closed === false ) ? tubularSegments : 0 );\n\n\t\t\t// uvs are generated in a separate function.\n\t\t\t// this makes it easy compute correct values for closed geometries\n\n\t\t\tgenerateUVs();\n\n\t\t\t// finally create faces\n\n\t\t\tgenerateIndices();\n\n\t\t}\n\n\t\tfunction generateSegment( i ) {\n\n\t\t\t// we use getPointAt to sample evenly distributed points from the given path\n\n\t\t\tP = path.getPointAt( i / tubularSegments, P );\n\n\t\t\t// retrieve corresponding normal and binormal\n\n\t\t\tconst N = frames.normals[ i ];\n\t\t\tconst B = frames.binormals[ i ];\n\n\t\t\t// generate normals and vertices for the current segment\n\n\t\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\tconst sin = Math.sin( v );\n\t\t\t\tconst cos = - Math.cos( v );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.x = ( cos * N.x + sin * B.x );\n\t\t\t\tnormal.y = ( cos * N.y + sin * B.y );\n\t\t\t\tnormal.z = ( cos * N.z + sin * B.z );\n\t\t\t\tnormal.normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = P.x + radius * normal.x;\n\t\t\t\tvertex.y = P.y + radius * normal.y;\n\t\t\t\tvertex.z = P.z + radius * normal.z;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateIndices() {\n\n\t\t\tfor ( let j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\t\tfor ( let i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t\tconst a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\t\tconst b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\t\tconst c = ( radialSegments + 1 ) * j + i;\n\t\t\t\t\tconst d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tfor ( let i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\t\tuv.y = j / radialSegments;\n\n\t\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.path = this.parameters.path.toJSON();\n\n\t\treturn data;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\t// This only works for built-in curves (e.g. CatmullRomCurve3).\n\t\t// User defined curves or instances of CurvePath will not be deserialized.\n\t\treturn new TubeGeometry(\n\t\t\tnew Curves[ data.path.type ]().fromJSON( data.path ),\n\t\t\tdata.tubularSegments,\n\t\t\tdata.radius,\n\t\t\tdata.radialSegments,\n\t\t\tdata.closed\n\t\t);\n\n\t}\n\n}\n\nclass WireframeGeometry extends BufferGeometry {\n\n\tconstructor( geometry = null ) {\n\n\t\tsuper();\n\t\tthis.type = 'WireframeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tgeometry: geometry\n\t\t};\n\n\t\tif ( geometry !== null ) {\n\n\t\t\t// buffer\n\n\t\t\tconst vertices = [];\n\t\t\tconst edges = new Set();\n\n\t\t\t// helper variables\n\n\t\t\tconst start = new Vector3();\n\t\t\tconst end = new Vector3();\n\n\t\t\tif ( geometry.index !== null ) {\n\n\t\t\t\t// indexed BufferGeometry\n\n\t\t\t\tconst position = geometry.attributes.position;\n\t\t\t\tconst indices = geometry.index;\n\t\t\t\tlet groups = geometry.groups;\n\n\t\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\t\tgroups = [ { start: 0, count: indices.count, materialIndex: 0 } ];\n\n\t\t\t\t}\n\n\t\t\t\t// create a data structure that contains all eges without duplicates\n\n\t\t\t\tfor ( let o = 0, ol = groups.length; o < ol; ++ o ) {\n\n\t\t\t\t\tconst group = groups[ o ];\n\n\t\t\t\t\tconst groupStart = group.start;\n\t\t\t\t\tconst groupCount = group.count;\n\n\t\t\t\t\tfor ( let i = groupStart, l = ( groupStart + groupCount ); i < l; i += 3 ) {\n\n\t\t\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t\tconst index1 = indices.getX( i + j );\n\t\t\t\t\t\t\tconst index2 = indices.getX( i + ( j + 1 ) % 3 );\n\n\t\t\t\t\t\t\tstart.fromBufferAttribute( position, index1 );\n\t\t\t\t\t\t\tend.fromBufferAttribute( position, index2 );\n\n\t\t\t\t\t\t\tif ( isUniqueEdge( start, end, edges ) === true ) {\n\n\t\t\t\t\t\t\t\tvertices.push( start.x, start.y, start.z );\n\t\t\t\t\t\t\t\tvertices.push( end.x, end.y, end.z );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed BufferGeometry\n\n\t\t\t\tconst position = geometry.attributes.position;\n\n\t\t\t\tfor ( let i = 0, l = ( position.count / 3 ); i < l; i ++ ) {\n\n\t\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t// three edges per triangle, an edge is represented as (index1, index2)\n\t\t\t\t\t\t// e.g. the first triangle has the following edges: (0,1),(1,2),(2,0)\n\n\t\t\t\t\t\tconst index1 = 3 * i + j;\n\t\t\t\t\t\tconst index2 = 3 * i + ( ( j + 1 ) % 3 );\n\n\t\t\t\t\t\tstart.fromBufferAttribute( position, index1 );\n\t\t\t\t\t\tend.fromBufferAttribute( position, index2 );\n\n\t\t\t\t\t\tif ( isUniqueEdge( start, end, edges ) === true ) {\n\n\t\t\t\t\t\t\tvertices.push( start.x, start.y, start.z );\n\t\t\t\t\t\t\tvertices.push( end.x, end.y, end.z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// build geometry\n\n\t\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\n\t\t}\n\n\t}\n\n}\n\nfunction isUniqueEdge( start, end, edges ) {\n\n\tconst hash1 = `${start.x},${start.y},${start.z}-${end.x},${end.y},${end.z}`;\n\tconst hash2 = `${end.x},${end.y},${end.z}-${start.x},${start.y},${start.z}`; // coincident edge\n\n\tif ( edges.has( hash1 ) === true || edges.has( hash2 ) === true ) {\n\n\t\treturn false;\n\n\t} else {\n\n\t\tedges.add( hash1, hash2 );\n\t\treturn true;\n\n\t}\n\n}\n\nvar Geometries = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tBoxGeometry: BoxGeometry,\n\tBoxBufferGeometry: BoxGeometry,\n\tCircleGeometry: CircleGeometry,\n\tCircleBufferGeometry: CircleGeometry,\n\tConeGeometry: ConeGeometry,\n\tConeBufferGeometry: ConeGeometry,\n\tCylinderGeometry: CylinderGeometry,\n\tCylinderBufferGeometry: CylinderGeometry,\n\tDodecahedronGeometry: DodecahedronGeometry,\n\tDodecahedronBufferGeometry: DodecahedronGeometry,\n\tEdgesGeometry: EdgesGeometry,\n\tExtrudeGeometry: ExtrudeGeometry,\n\tExtrudeBufferGeometry: ExtrudeGeometry,\n\tIcosahedronGeometry: IcosahedronGeometry,\n\tIcosahedronBufferGeometry: IcosahedronGeometry,\n\tLatheGeometry: LatheGeometry,\n\tLatheBufferGeometry: LatheGeometry,\n\tOctahedronGeometry: OctahedronGeometry,\n\tOctahedronBufferGeometry: OctahedronGeometry,\n\tPlaneGeometry: PlaneGeometry,\n\tPlaneBufferGeometry: PlaneGeometry,\n\tPolyhedronGeometry: PolyhedronGeometry,\n\tPolyhedronBufferGeometry: PolyhedronGeometry,\n\tRingGeometry: RingGeometry,\n\tRingBufferGeometry: RingGeometry,\n\tShapeGeometry: ShapeGeometry,\n\tShapeBufferGeometry: ShapeGeometry,\n\tSphereGeometry: SphereGeometry,\n\tSphereBufferGeometry: SphereGeometry,\n\tTetrahedronGeometry: TetrahedronGeometry,\n\tTetrahedronBufferGeometry: TetrahedronGeometry,\n\tTorusGeometry: TorusGeometry,\n\tTorusBufferGeometry: TorusGeometry,\n\tTorusKnotGeometry: TorusKnotGeometry,\n\tTorusKnotBufferGeometry: TorusKnotGeometry,\n\tTubeGeometry: TubeGeometry,\n\tTubeBufferGeometry: TubeGeometry,\n\tWireframeGeometry: WireframeGeometry\n});\n\n/**\n * parameters = {\n * color: \n * }\n */\n\nclass ShadowMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ShadowMaterial';\n\n\t\tthis.color = new Color( 0x000000 );\n\t\tthis.transparent = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\treturn this;\n\n\t}\n\n}\n\nShadowMaterial.prototype.isShadowMaterial = true;\n\n/**\n * parameters = {\n * color: ,\n * roughness: ,\n * metalness: ,\n * opacity: ,\n *\n * map: new THREE.Texture( ),\n *\n * lightMap: new THREE.Texture( ),\n * lightMapIntensity: \n *\n * aoMap: new THREE.Texture( ),\n * aoMapIntensity: \n *\n * emissive: ,\n * emissiveIntensity: \n * emissiveMap: new THREE.Texture( ),\n *\n * bumpMap: new THREE.Texture( ),\n * bumpScale: ,\n *\n * normalMap: new THREE.Texture( ),\n * normalMapType: THREE.TangentSpaceNormalMap,\n * normalScale: ,\n *\n * displacementMap: new THREE.Texture( ),\n * displacementScale: ,\n * displacementBias: ,\n *\n * roughnessMap: new THREE.Texture( ),\n *\n * metalnessMap: new THREE.Texture( ),\n *\n * alphaMap: new THREE.Texture( ),\n *\n * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n * envMapIntensity: \n *\n * refractionRatio: ,\n *\n * wireframe: ,\n * wireframeLinewidth: ,\n *\n * flatShading: \n * }\n */\n\nclass MeshStandardMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.type = 'MeshStandardMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.roughness = 1.0;\n\t\tthis.metalness = 0.0;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.roughnessMap = null;\n\n\t\tthis.metalnessMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.envMapIntensity = 1.0;\n\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.flatShading = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.color.copy( source.color );\n\t\tthis.roughness = source.roughness;\n\t\tthis.metalness = source.metalness;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.roughnessMap = source.roughnessMap;\n\n\t\tthis.metalnessMap = source.metalnessMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapIntensity = source.envMapIntensity;\n\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshStandardMaterial.prototype.isMeshStandardMaterial = true;\n\n/**\n * parameters = {\n * clearcoat: ,\n * clearcoatMap: new THREE.Texture( ),\n * clearcoatRoughness: ,\n * clearcoatRoughnessMap: new THREE.Texture( ),\n * clearcoatNormalScale: ,\n * clearcoatNormalMap: new THREE.Texture( ),\n *\n * ior: ,\n * reflectivity: ,\n *\n * sheen: ,\n * sheenColor: ,\n * sheenColorMap: new THREE.Texture( ),\n * sheenRoughness: ,\n * sheenRoughnessMap: new THREE.Texture( ),\n *\n * transmission: ,\n * transmissionMap: new THREE.Texture( ),\n *\n * thickness: ,\n * thicknessMap: new THREE.Texture( ),\n * attenuationDistance: ,\n * attenuationColor: ,\n *\n * specularIntensity: ,\n * specularIntensityMap: new THREE.Texture( ),\n * specularColor: ,\n * specularColorMap: new THREE.Texture( )\n * }\n */\n\nclass MeshPhysicalMaterial extends MeshStandardMaterial {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.defines = {\n\n\t\t\t'STANDARD': '',\n\t\t\t'PHYSICAL': ''\n\n\t\t};\n\n\t\tthis.type = 'MeshPhysicalMaterial';\n\n\t\tthis.clearcoatMap = null;\n\t\tthis.clearcoatRoughness = 0.0;\n\t\tthis.clearcoatRoughnessMap = null;\n\t\tthis.clearcoatNormalScale = new Vector2( 1, 1 );\n\t\tthis.clearcoatNormalMap = null;\n\n\t\tthis.ior = 1.5;\n\n\t\tObject.defineProperty( this, 'reflectivity', {\n\t\t\tget: function () {\n\n\t\t\t\treturn ( clamp( 2.5 * ( this.ior - 1 ) / ( this.ior + 1 ), 0, 1 ) );\n\n\t\t\t},\n\t\t\tset: function ( reflectivity ) {\n\n\t\t\t\tthis.ior = ( 1 + 0.4 * reflectivity ) / ( 1 - 0.4 * reflectivity );\n\n\t\t\t}\n\t\t} );\n\n\t\tthis.sheenColor = new Color( 0x000000 );\n\t\tthis.sheenColorMap = null;\n\t\tthis.sheenRoughness = 1.0;\n\t\tthis.sheenRoughnessMap = null;\n\n\t\tthis.transmissionMap = null;\n\n\t\tthis.thickness = 0;\n\t\tthis.thicknessMap = null;\n\t\tthis.attenuationDistance = 0.0;\n\t\tthis.attenuationColor = new Color( 1, 1, 1 );\n\n\t\tthis.specularIntensity = 1.0;\n\t\tthis.specularIntensityMap = null;\n\t\tthis.specularColor = new Color( 1, 1, 1 );\n\t\tthis.specularColorMap = null;\n\n\t\tthis._sheen = 0.0;\n\t\tthis._clearcoat = 0;\n\t\tthis._transmission = 0;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tget sheen() {\n\n\t\treturn this._sheen;\n\n\t}\n\n\tset sheen( value ) {\n\n\t\tif ( this._sheen > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._sheen = value;\n\n\t}\n\n\tget clearcoat() {\n\n\t\treturn this._clearcoat;\n\n\t}\n\n\tset clearcoat( value ) {\n\n\t\tif ( this._clearcoat > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._clearcoat = value;\n\n\t}\n\n\tget transmission() {\n\n\t\treturn this._transmission;\n\n\t}\n\n\tset transmission( value ) {\n\n\t\tif ( this._transmission > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._transmission = value;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = {\n\n\t\t\t'STANDARD': '',\n\t\t\t'PHYSICAL': ''\n\n\t\t};\n\n\t\tthis.clearcoat = source.clearcoat;\n\t\tthis.clearcoatMap = source.clearcoatMap;\n\t\tthis.clearcoatRoughness = source.clearcoatRoughness;\n\t\tthis.clearcoatRoughnessMap = source.clearcoatRoughnessMap;\n\t\tthis.clearcoatNormalMap = source.clearcoatNormalMap;\n\t\tthis.clearcoatNormalScale.copy( source.clearcoatNormalScale );\n\n\t\tthis.ior = source.ior;\n\n\t\tthis.sheen = source.sheen;\n\t\tthis.sheenColor.copy( source.sheenColor );\n\t\tthis.sheenColorMap = source.sheenColorMap;\n\t\tthis.sheenRoughness = source.sheenRoughness;\n\t\tthis.sheenRoughnessMap = source.sheenRoughnessMap;\n\n\t\tthis.transmission = source.transmission;\n\t\tthis.transmissionMap = source.transmissionMap;\n\n\t\tthis.thickness = source.thickness;\n\t\tthis.thicknessMap = source.thicknessMap;\n\t\tthis.attenuationDistance = source.attenuationDistance;\n\t\tthis.attenuationColor.copy( source.attenuationColor );\n\n\t\tthis.specularIntensity = source.specularIntensity;\n\t\tthis.specularIntensityMap = source.specularIntensityMap;\n\t\tthis.specularColor.copy( source.specularColor );\n\t\tthis.specularColorMap = source.specularColorMap;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshPhysicalMaterial.prototype.isMeshPhysicalMaterial = true;\n\n/**\n * parameters = {\n * color: ,\n * specular: ,\n * shininess: ,\n * opacity: ,\n *\n * map: new THREE.Texture( ),\n *\n * lightMap: new THREE.Texture( ),\n * lightMapIntensity: \n *\n * aoMap: new THREE.Texture( ),\n * aoMapIntensity: \n *\n * emissive: ,\n * emissiveIntensity: \n * emissiveMap: new THREE.Texture( ),\n *\n * bumpMap: new THREE.Texture( ),\n * bumpScale: ,\n *\n * normalMap: new THREE.Texture( ),\n * normalMapType: THREE.TangentSpaceNormalMap,\n * normalScale: ,\n *\n * displacementMap: new THREE.Texture( ),\n * displacementScale: ,\n * displacementBias: ,\n *\n * specularMap: new THREE.Texture( ),\n *\n * alphaMap: new THREE.Texture( ),\n *\n * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n * combine: THREE.MultiplyOperation,\n * reflectivity: ,\n * refractionRatio: ,\n *\n * wireframe: ,\n * wireframeLinewidth: ,\n *\n * flatShading: \n * }\n */\n\nclass MeshPhongMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshPhongMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.specular = new Color( 0x111111 );\n\t\tthis.shininess = 30;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.flatShading = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.specular.copy( source.specular );\n\t\tthis.shininess = source.shininess;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshPhongMaterial.prototype.isMeshPhongMaterial = true;\n\n/**\n * parameters = {\n * color: ,\n *\n * map: new THREE.Texture( ),\n * gradientMap: new THREE.Texture( ),\n *\n * lightMap: new THREE.Texture( ),\n * lightMapIntensity: \n *\n * aoMap: new THREE.Texture( ),\n * aoMapIntensity: \n *\n * emissive: ,\n * emissiveIntensity: \n * emissiveMap: new THREE.Texture( ),\n *\n * bumpMap: new THREE.Texture( ),\n * bumpScale: ,\n *\n * normalMap: new THREE.Texture( ),\n * normalMapType: THREE.TangentSpaceNormalMap,\n * normalScale: ,\n *\n * displacementMap: new THREE.Texture( ),\n * displacementScale: ,\n * displacementBias: ,\n *\n * alphaMap: new THREE.Texture( ),\n *\n * wireframe: ,\n * wireframeLinewidth: ,\n *\n * }\n */\n\nclass MeshToonMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.defines = { 'TOON': '' };\n\n\t\tthis.type = 'MeshToonMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\t\tthis.gradientMap = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\t\tthis.gradientMap = source.gradientMap;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshToonMaterial.prototype.isMeshToonMaterial = true;\n\n/**\n * parameters = {\n * opacity: ,\n *\n * bumpMap: new THREE.Texture( ),\n * bumpScale: ,\n *\n * normalMap: new THREE.Texture( ),\n * normalMapType: THREE.TangentSpaceNormalMap,\n * normalScale: ,\n *\n * displacementMap: new THREE.Texture( ),\n * displacementScale: ,\n * displacementBias: ,\n *\n * wireframe: ,\n * wireframeLinewidth: \n *\n * flatShading: \n * }\n */\n\nclass MeshNormalMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshNormalMaterial';\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\n\t\tthis.flatShading = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshNormalMaterial.prototype.isMeshNormalMaterial = true;\n\n/**\n * parameters = {\n * color: ,\n * opacity: ,\n *\n * map: new THREE.Texture( ),\n *\n * lightMap: new THREE.Texture( ),\n * lightMapIntensity: \n *\n * aoMap: new THREE.Texture( ),\n * aoMapIntensity: \n *\n * emissive: ,\n * emissiveIntensity: \n * emissiveMap: new THREE.Texture( ),\n *\n * specularMap: new THREE.Texture( ),\n *\n * alphaMap: new THREE.Texture( ),\n *\n * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n * combine: THREE.Multiply,\n * reflectivity: ,\n * refractionRatio: ,\n *\n * wireframe: ,\n * wireframeLinewidth: ,\n *\n * }\n */\n\nclass MeshLambertMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshLambertMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshLambertMaterial.prototype.isMeshLambertMaterial = true;\n\n/**\n * parameters = {\n * color: ,\n * opacity: ,\n *\n * matcap: new THREE.Texture( ),\n *\n * map: new THREE.Texture( ),\n *\n * bumpMap: new THREE.Texture( ),\n * bumpScale: ,\n *\n * normalMap: new THREE.Texture( ),\n * normalMapType: THREE.TangentSpaceNormalMap,\n * normalScale: ,\n *\n * displacementMap: new THREE.Texture( ),\n * displacementScale: ,\n * displacementBias: ,\n *\n * alphaMap: new THREE.Texture( ),\n *\n * flatShading: \n * }\n */\n\nclass MeshMatcapMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.defines = { 'MATCAP': '' };\n\n\t\tthis.type = 'MeshMatcapMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\tthis.matcap = null;\n\n\t\tthis.map = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.flatShading = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = { 'MATCAP': '' };\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.matcap = source.matcap;\n\n\t\tthis.map = source.map;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshMatcapMaterial.prototype.isMeshMatcapMaterial = true;\n\n/**\n * parameters = {\n * color: ,\n * opacity: ,\n *\n * linewidth: ,\n *\n * scale: ,\n * dashSize: ,\n * gapSize: \n * }\n */\n\nclass LineDashedMaterial extends LineBasicMaterial {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LineDashedMaterial';\n\n\t\tthis.scale = 1;\n\t\tthis.dashSize = 3;\n\t\tthis.gapSize = 1;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.scale = source.scale;\n\t\tthis.dashSize = source.dashSize;\n\t\tthis.gapSize = source.gapSize;\n\n\t\treturn this;\n\n\t}\n\n}\n\nLineDashedMaterial.prototype.isLineDashedMaterial = true;\n\nvar Materials = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tShadowMaterial: ShadowMaterial,\n\tSpriteMaterial: SpriteMaterial,\n\tRawShaderMaterial: RawShaderMaterial,\n\tShaderMaterial: ShaderMaterial,\n\tPointsMaterial: PointsMaterial,\n\tMeshPhysicalMaterial: MeshPhysicalMaterial,\n\tMeshStandardMaterial: MeshStandardMaterial,\n\tMeshPhongMaterial: MeshPhongMaterial,\n\tMeshToonMaterial: MeshToonMaterial,\n\tMeshNormalMaterial: MeshNormalMaterial,\n\tMeshLambertMaterial: MeshLambertMaterial,\n\tMeshDepthMaterial: MeshDepthMaterial,\n\tMeshDistanceMaterial: MeshDistanceMaterial,\n\tMeshBasicMaterial: MeshBasicMaterial,\n\tMeshMatcapMaterial: MeshMatcapMaterial,\n\tLineDashedMaterial: LineDashedMaterial,\n\tLineBasicMaterial: LineBasicMaterial,\n\tMaterial: Material\n});\n\nconst AnimationUtils = {\n\n\t// same as Array.prototype.slice, but also works on typed arrays\n\tarraySlice: function ( array, from, to ) {\n\n\t\tif ( AnimationUtils.isTypedArray( array ) ) {\n\n\t\t\t// in ios9 array.subarray(from, undefined) will return empty array\n\t\t\t// but array.subarray(from) or array.subarray(from, len) is correct\n\t\t\treturn new array.constructor( array.subarray( from, to !== undefined ? to : array.length ) );\n\n\t\t}\n\n\t\treturn array.slice( from, to );\n\n\t},\n\n\t// converts an array to a specific type\n\tconvertArray: function ( array, type, forceClone ) {\n\n\t\tif ( ! array || // let 'undefined' and 'null' pass\n\t\t\t! forceClone && array.constructor === type ) return array;\n\n\t\tif ( typeof type.BYTES_PER_ELEMENT === 'number' ) {\n\n\t\t\treturn new type( array ); // create typed array\n\n\t\t}\n\n\t\treturn Array.prototype.slice.call( array ); // create Array\n\n\t},\n\n\tisTypedArray: function ( object ) {\n\n\t\treturn ArrayBuffer.isView( object ) &&\n\t\t\t! ( object instanceof DataView );\n\n\t},\n\n\t// returns an array by which times and values can be sorted\n\tgetKeyframeOrder: function ( times ) {\n\n\t\tfunction compareTime( i, j ) {\n\n\t\t\treturn times[ i ] - times[ j ];\n\n\t\t}\n\n\t\tconst n = times.length;\n\t\tconst result = new Array( n );\n\t\tfor ( let i = 0; i !== n; ++ i ) result[ i ] = i;\n\n\t\tresult.sort( compareTime );\n\n\t\treturn result;\n\n\t},\n\n\t// uses the array previously returned by 'getKeyframeOrder' to sort data\n\tsortedArray: function ( values, stride, order ) {\n\n\t\tconst nValues = values.length;\n\t\tconst result = new values.constructor( nValues );\n\n\t\tfor ( let i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) {\n\n\t\t\tconst srcOffset = order[ i ] * stride;\n\n\t\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\t\tresult[ dstOffset ++ ] = values[ srcOffset + j ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn result;\n\n\t},\n\n\t// function for parsing AOS keyframe formats\n\tflattenJSON: function ( jsonKeys, times, values, valuePropertyName ) {\n\n\t\tlet i = 1, key = jsonKeys[ 0 ];\n\n\t\twhile ( key !== undefined && key[ valuePropertyName ] === undefined ) {\n\n\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t}\n\n\t\tif ( key === undefined ) return; // no data\n\n\t\tlet value = key[ valuePropertyName ];\n\t\tif ( value === undefined ) return; // no data\n\n\t\tif ( Array.isArray( value ) ) {\n\n\t\t\tdo {\n\n\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\tvalues.push.apply( values, value ); // push all elements\n\n\t\t\t\t}\n\n\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t} while ( key !== undefined );\n\n\t\t} else if ( value.toArray !== undefined ) {\n\n\t\t\t// ...assume THREE.Math-ish\n\n\t\t\tdo {\n\n\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\tvalue.toArray( values, values.length );\n\n\t\t\t\t}\n\n\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t} while ( key !== undefined );\n\n\t\t} else {\n\n\t\t\t// otherwise push as-is\n\n\t\t\tdo {\n\n\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\tvalues.push( value );\n\n\t\t\t\t}\n\n\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t} while ( key !== undefined );\n\n\t\t}\n\n\t},\n\n\tsubclip: function ( sourceClip, name, startFrame, endFrame, fps = 30 ) {\n\n\t\tconst clip = sourceClip.clone();\n\n\t\tclip.name = name;\n\n\t\tconst tracks = [];\n\n\t\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\t\tconst track = clip.tracks[ i ];\n\t\t\tconst valueSize = track.getValueSize();\n\n\t\t\tconst times = [];\n\t\t\tconst values = [];\n\n\t\t\tfor ( let j = 0; j < track.times.length; ++ j ) {\n\n\t\t\t\tconst frame = track.times[ j ] * fps;\n\n\t\t\t\tif ( frame < startFrame || frame >= endFrame ) continue;\n\n\t\t\t\ttimes.push( track.times[ j ] );\n\n\t\t\t\tfor ( let k = 0; k < valueSize; ++ k ) {\n\n\t\t\t\t\tvalues.push( track.values[ j * valueSize + k ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( times.length === 0 ) continue;\n\n\t\t\ttrack.times = AnimationUtils.convertArray( times, track.times.constructor );\n\t\t\ttrack.values = AnimationUtils.convertArray( values, track.values.constructor );\n\n\t\t\ttracks.push( track );\n\n\t\t}\n\n\t\tclip.tracks = tracks;\n\n\t\t// find minimum .times value across all tracks in the trimmed clip\n\n\t\tlet minStartTime = Infinity;\n\n\t\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\t\tif ( minStartTime > clip.tracks[ i ].times[ 0 ] ) {\n\n\t\t\t\tminStartTime = clip.tracks[ i ].times[ 0 ];\n\n\t\t\t}\n\n\t\t}\n\n\t\t// shift all tracks such that clip begins at t=0\n\n\t\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\t\tclip.tracks[ i ].shift( - 1 * minStartTime );\n\n\t\t}\n\n\t\tclip.resetDuration();\n\n\t\treturn clip;\n\n\t},\n\n\tmakeClipAdditive: function ( targetClip, referenceFrame = 0, referenceClip = targetClip, fps = 30 ) {\n\n\t\tif ( fps <= 0 ) fps = 30;\n\n\t\tconst numTracks = referenceClip.tracks.length;\n\t\tconst referenceTime = referenceFrame / fps;\n\n\t\t// Make each track's values relative to the values at the reference frame\n\t\tfor ( let i = 0; i < numTracks; ++ i ) {\n\n\t\t\tconst referenceTrack = referenceClip.tracks[ i ];\n\t\t\tconst referenceTrackType = referenceTrack.ValueTypeName;\n\n\t\t\t// Skip this track if it's non-numeric\n\t\t\tif ( referenceTrackType === 'bool' || referenceTrackType === 'string' ) continue;\n\n\t\t\t// Find the track in the target clip whose name and type matches the reference track\n\t\t\tconst targetTrack = targetClip.tracks.find( function ( track ) {\n\n\t\t\t\treturn track.name === referenceTrack.name\n\t\t\t\t\t&& track.ValueTypeName === referenceTrackType;\n\n\t\t\t} );\n\n\t\t\tif ( targetTrack === undefined ) continue;\n\n\t\t\tlet referenceOffset = 0;\n\t\t\tconst referenceValueSize = referenceTrack.getValueSize();\n\n\t\t\tif ( referenceTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline ) {\n\n\t\t\t\treferenceOffset = referenceValueSize / 3;\n\n\t\t\t}\n\n\t\t\tlet targetOffset = 0;\n\t\t\tconst targetValueSize = targetTrack.getValueSize();\n\n\t\t\tif ( targetTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline ) {\n\n\t\t\t\ttargetOffset = targetValueSize / 3;\n\n\t\t\t}\n\n\t\t\tconst lastIndex = referenceTrack.times.length - 1;\n\t\t\tlet referenceValue;\n\n\t\t\t// Find the value to subtract out of the track\n\t\t\tif ( referenceTime <= referenceTrack.times[ 0 ] ) {\n\n\t\t\t\t// Reference frame is earlier than the first keyframe, so just use the first keyframe\n\t\t\t\tconst startIndex = referenceOffset;\n\t\t\t\tconst endIndex = referenceValueSize - referenceOffset;\n\t\t\t\treferenceValue = AnimationUtils.arraySlice( referenceTrack.values, startIndex, endIndex );\n\n\t\t\t} else if ( referenceTime >= referenceTrack.times[ lastIndex ] ) {\n\n\t\t\t\t// Reference frame is after the last keyframe, so just use the last keyframe\n\t\t\t\tconst startIndex = lastIndex * referenceValueSize + referenceOffset;\n\t\t\t\tconst endIndex = startIndex + referenceValueSize - referenceOffset;\n\t\t\t\treferenceValue = AnimationUtils.arraySlice( referenceTrack.values, startIndex, endIndex );\n\n\t\t\t} else {\n\n\t\t\t\t// Interpolate to the reference value\n\t\t\t\tconst interpolant = referenceTrack.createInterpolant();\n\t\t\t\tconst startIndex = referenceOffset;\n\t\t\t\tconst endIndex = referenceValueSize - referenceOffset;\n\t\t\t\tinterpolant.evaluate( referenceTime );\n\t\t\t\treferenceValue = AnimationUtils.arraySlice( interpolant.resultBuffer, startIndex, endIndex );\n\n\t\t\t}\n\n\t\t\t// Conjugate the quaternion\n\t\t\tif ( referenceTrackType === 'quaternion' ) {\n\n\t\t\t\tconst referenceQuat = new Quaternion().fromArray( referenceValue ).normalize().conjugate();\n\t\t\t\treferenceQuat.toArray( referenceValue );\n\n\t\t\t}\n\n\t\t\t// Subtract the reference value from all of the track values\n\n\t\t\tconst numTimes = targetTrack.times.length;\n\t\t\tfor ( let j = 0; j < numTimes; ++ j ) {\n\n\t\t\t\tconst valueStart = j * targetValueSize + targetOffset;\n\n\t\t\t\tif ( referenceTrackType === 'quaternion' ) {\n\n\t\t\t\t\t// Multiply the conjugate for quaternion track types\n\t\t\t\t\tQuaternion.multiplyQuaternionsFlat(\n\t\t\t\t\t\ttargetTrack.values,\n\t\t\t\t\t\tvalueStart,\n\t\t\t\t\t\treferenceValue,\n\t\t\t\t\t\t0,\n\t\t\t\t\t\ttargetTrack.values,\n\t\t\t\t\t\tvalueStart\n\t\t\t\t\t);\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst valueEnd = targetValueSize - targetOffset * 2;\n\n\t\t\t\t\t// Subtract each value for all other numeric track types\n\t\t\t\t\tfor ( let k = 0; k < valueEnd; ++ k ) {\n\n\t\t\t\t\t\ttargetTrack.values[ valueStart + k ] -= referenceValue[ k ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\ttargetClip.blendMode = AdditiveAnimationBlendMode;\n\n\t\treturn targetClip;\n\n\t}\n\n};\n\n/**\n * Abstract base class of interpolants over parametric samples.\n *\n * The parameter domain is one dimensional, typically the time or a path\n * along a curve defined by the data.\n *\n * The sample values can have any dimensionality and derived classes may\n * apply special interpretations to the data.\n *\n * This class provides the interval seek in a Template Method, deferring\n * the actual interpolation to derived classes.\n *\n * Time complexity is O(1) for linear access crossing at most two points\n * and O(log N) for random access, where N is the number of positions.\n *\n * References:\n *\n * \t\thttp://www.oodesign.com/template-method-pattern.html\n *\n */\n\nclass Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tthis.parameterPositions = parameterPositions;\n\t\tthis._cachedIndex = 0;\n\n\t\tthis.resultBuffer = resultBuffer !== undefined ?\n\t\t\tresultBuffer : new sampleValues.constructor( sampleSize );\n\t\tthis.sampleValues = sampleValues;\n\t\tthis.valueSize = sampleSize;\n\n\t\tthis.settings = null;\n\t\tthis.DefaultSettings_ = {};\n\n\t}\n\n\tevaluate( t ) {\n\n\t\tconst pp = this.parameterPositions;\n\t\tlet i1 = this._cachedIndex,\n\t\t\tt1 = pp[ i1 ],\n\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\tvalidate_interval: {\n\n\t\t\tseek: {\n\n\t\t\t\tlet right;\n\n\t\t\t\tlinear_scan: {\n\n\t\t\t\t\t//- See http://jsperf.com/comparison-to-undefined/3\n\t\t\t\t\t//- slower code:\n\t\t\t\t\t//-\n\t\t\t\t\t//- \t\t\t\tif ( t >= t1 || t1 === undefined ) {\n\t\t\t\t\tforward_scan: if ( ! ( t < t1 ) ) {\n\n\t\t\t\t\t\tfor ( let giveUpAt = i1 + 2; ; ) {\n\n\t\t\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\t\t\tif ( t < t0 ) break forward_scan;\n\n\t\t\t\t\t\t\t\t// after end\n\n\t\t\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\t\t\treturn this.afterEnd_( i1 - 1, t, t0 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\tt0 = t1;\n\t\t\t\t\t\t\tt1 = pp[ ++ i1 ];\n\n\t\t\t\t\t\t\tif ( t < t1 ) {\n\n\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// prepare binary search on the right side of the index\n\t\t\t\t\t\tright = pp.length;\n\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t//- slower code:\n\t\t\t\t\t//-\t\t\t\t\tif ( t < t0 || t0 === undefined ) {\n\t\t\t\t\tif ( ! ( t >= t0 ) ) {\n\n\t\t\t\t\t\t// looping?\n\n\t\t\t\t\t\tconst t1global = pp[ 1 ];\n\n\t\t\t\t\t\tif ( t < t1global ) {\n\n\t\t\t\t\t\t\ti1 = 2; // + 1, using the scan for the details\n\t\t\t\t\t\t\tt0 = t1global;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// linear reverse scan\n\n\t\t\t\t\t\tfor ( let giveUpAt = i1 - 2; ; ) {\n\n\t\t\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\t\t\t// before start\n\n\t\t\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\tt1 = t0;\n\t\t\t\t\t\t\tt0 = pp[ -- i1 - 1 ];\n\n\t\t\t\t\t\t\tif ( t >= t0 ) {\n\n\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// prepare binary search on the left side of the index\n\t\t\t\t\t\tright = i1;\n\t\t\t\t\t\ti1 = 0;\n\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// the interval is valid\n\n\t\t\t\t\tbreak validate_interval;\n\n\t\t\t\t} // linear scan\n\n\t\t\t\t// binary search\n\n\t\t\t\twhile ( i1 < right ) {\n\n\t\t\t\t\tconst mid = ( i1 + right ) >>> 1;\n\n\t\t\t\t\tif ( t < pp[ mid ] ) {\n\n\t\t\t\t\t\tright = mid;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ti1 = mid + 1;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tt1 = pp[ i1 ];\n\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\t\t// check boundary cases, again\n\n\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t}\n\n\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\treturn this.afterEnd_( i1 - 1, t0, t );\n\n\t\t\t\t}\n\n\t\t\t} // seek\n\n\t\t\tthis._cachedIndex = i1;\n\n\t\t\tthis.intervalChanged_( i1, t0, t1 );\n\n\t\t} // validate_interval\n\n\t\treturn this.interpolate_( i1, t0, t, t1 );\n\n\t}\n\n\tgetSettings_() {\n\n\t\treturn this.settings || this.DefaultSettings_;\n\n\t}\n\n\tcopySampleValue_( index ) {\n\n\t\t// copies a sample value to the result buffer\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = index * stride;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] = values[ offset + i ];\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n\t// Template methods for derived classes:\n\n\tinterpolate_( /* i1, t0, t, t1 */ ) {\n\n\t\tthrow new Error( 'call to abstract method' );\n\t\t// implementations shall return this.resultBuffer\n\n\t}\n\n\tintervalChanged_( /* i1, t0, t1 */ ) {\n\n\t\t// empty\n\n\t}\n\n}\n\n// ALIAS DEFINITIONS\n\nInterpolant.prototype.beforeStart_ = Interpolant.prototype.copySampleValue_;\nInterpolant.prototype.afterEnd_ = Interpolant.prototype.copySampleValue_;\n\n/**\n * Fast and simple cubic spline interpolant.\n *\n * It was derived from a Hermitian construction setting the first derivative\n * at each sample position to the linear slope between neighboring positions\n * over their parameter interval.\n */\n\nclass CubicInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t\tthis._weightPrev = - 0;\n\t\tthis._offsetPrev = - 0;\n\t\tthis._weightNext = - 0;\n\t\tthis._offsetNext = - 0;\n\n\t\tthis.DefaultSettings_ = {\n\n\t\t\tendingStart: ZeroCurvatureEnding,\n\t\t\tendingEnd: ZeroCurvatureEnding\n\n\t\t};\n\n\t}\n\n\tintervalChanged_( i1, t0, t1 ) {\n\n\t\tconst pp = this.parameterPositions;\n\t\tlet iPrev = i1 - 2,\n\t\t\tiNext = i1 + 1,\n\n\t\t\ttPrev = pp[ iPrev ],\n\t\t\ttNext = pp[ iNext ];\n\n\t\tif ( tPrev === undefined ) {\n\n\t\t\tswitch ( this.getSettings_().endingStart ) {\n\n\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t// f'(t0) = 0\n\t\t\t\t\tiPrev = i1;\n\t\t\t\t\ttPrev = 2 * t0 - t1;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\tiPrev = pp.length - 2;\n\t\t\t\t\ttPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ];\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t// f''(t0) = 0 a.k.a. Natural Spline\n\t\t\t\t\tiPrev = i1;\n\t\t\t\t\ttPrev = t1;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( tNext === undefined ) {\n\n\t\t\tswitch ( this.getSettings_().endingEnd ) {\n\n\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t// f'(tN) = 0\n\t\t\t\t\tiNext = i1;\n\t\t\t\t\ttNext = 2 * t1 - t0;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\tiNext = 1;\n\t\t\t\t\ttNext = t1 + pp[ 1 ] - pp[ 0 ];\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t// f''(tN) = 0, a.k.a. Natural Spline\n\t\t\t\t\tiNext = i1 - 1;\n\t\t\t\t\ttNext = t0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst halfDt = ( t1 - t0 ) * 0.5,\n\t\t\tstride = this.valueSize;\n\n\t\tthis._weightPrev = halfDt / ( t0 - tPrev );\n\t\tthis._weightNext = halfDt / ( tNext - t1 );\n\t\tthis._offsetPrev = iPrev * stride;\n\t\tthis._offsetNext = iNext * stride;\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\to1 = i1 * stride,\t\to0 = o1 - stride,\n\t\t\toP = this._offsetPrev, \toN = this._offsetNext,\n\t\t\twP = this._weightPrev,\twN = this._weightNext,\n\n\t\t\tp = ( t - t0 ) / ( t1 - t0 ),\n\t\t\tpp = p * p,\n\t\t\tppp = pp * p;\n\n\t\t// evaluate polynomials\n\n\t\tconst sP = - wP * ppp + 2 * wP * pp - wP * p;\n\t\tconst s0 = ( 1 + wP ) * ppp + ( - 1.5 - 2 * wP ) * pp + ( - 0.5 + wP ) * p + 1;\n\t\tconst s1 = ( - 1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p;\n\t\tconst sN = wN * ppp - wN * pp;\n\n\t\t// combine data linearly\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] =\n\t\t\t\t\tsP * values[ oP + i ] +\n\t\t\t\t\ts0 * values[ o0 + i ] +\n\t\t\t\t\ts1 * values[ o1 + i ] +\n\t\t\t\t\tsN * values[ oN + i ];\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\nclass LinearInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\toffset1 = i1 * stride,\n\t\t\toffset0 = offset1 - stride,\n\n\t\t\tweight1 = ( t - t0 ) / ( t1 - t0 ),\n\t\t\tweight0 = 1 - weight1;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] =\n\t\t\t\t\tvalues[ offset0 + i ] * weight0 +\n\t\t\t\t\tvalues[ offset1 + i ] * weight1;\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\n/**\n *\n * Interpolant that evaluates to the sample value at the position preceeding\n * the parameter.\n */\n\nclass DiscreteInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1 /*, t0, t, t1 */ ) {\n\n\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t}\n\n}\n\nclass KeyframeTrack {\n\n\tconstructor( name, times, values, interpolation ) {\n\n\t\tif ( name === undefined ) throw new Error( 'THREE.KeyframeTrack: track name is undefined' );\n\t\tif ( times === undefined || times.length === 0 ) throw new Error( 'THREE.KeyframeTrack: no keyframes in track named ' + name );\n\n\t\tthis.name = name;\n\n\t\tthis.times = AnimationUtils.convertArray( times, this.TimeBufferType );\n\t\tthis.values = AnimationUtils.convertArray( values, this.ValueBufferType );\n\n\t\tthis.setInterpolation( interpolation || this.DefaultInterpolation );\n\n\t}\n\n\t// Serialization (in static context, because of constructor invocation\n\t// and automatic invocation of .toJSON):\n\n\tstatic toJSON( track ) {\n\n\t\tconst trackType = track.constructor;\n\n\t\tlet json;\n\n\t\t// derived classes can define a static toJSON method\n\t\tif ( trackType.toJSON !== this.toJSON ) {\n\n\t\t\tjson = trackType.toJSON( track );\n\n\t\t} else {\n\n\t\t\t// by default, we assume the data can be serialized as-is\n\t\t\tjson = {\n\n\t\t\t\t'name': track.name,\n\t\t\t\t'times': AnimationUtils.convertArray( track.times, Array ),\n\t\t\t\t'values': AnimationUtils.convertArray( track.values, Array )\n\n\t\t\t};\n\n\t\t\tconst interpolation = track.getInterpolation();\n\n\t\t\tif ( interpolation !== track.DefaultInterpolation ) {\n\n\t\t\t\tjson.interpolation = interpolation;\n\n\t\t\t}\n\n\t\t}\n\n\t\tjson.type = track.ValueTypeName; // mandatory\n\n\t\treturn json;\n\n\t}\n\n\tInterpolantFactoryMethodDiscrete( result ) {\n\n\t\treturn new DiscreteInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\tInterpolantFactoryMethodLinear( result ) {\n\n\t\treturn new LinearInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\tInterpolantFactoryMethodSmooth( result ) {\n\n\t\treturn new CubicInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\tsetInterpolation( interpolation ) {\n\n\t\tlet factoryMethod;\n\n\t\tswitch ( interpolation ) {\n\n\t\t\tcase InterpolateDiscrete:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodDiscrete;\n\n\t\t\t\tbreak;\n\n\t\t\tcase InterpolateLinear:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodLinear;\n\n\t\t\t\tbreak;\n\n\t\t\tcase InterpolateSmooth:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodSmooth;\n\n\t\t\t\tbreak;\n\n\t\t}\n\n\t\tif ( factoryMethod === undefined ) {\n\n\t\t\tconst message = 'unsupported interpolation for ' +\n\t\t\t\tthis.ValueTypeName + ' keyframe track named ' + this.name;\n\n\t\t\tif ( this.createInterpolant === undefined ) {\n\n\t\t\t\t// fall back to default, unless the default itself is messed up\n\t\t\t\tif ( interpolation !== this.DefaultInterpolation ) {\n\n\t\t\t\t\tthis.setInterpolation( this.DefaultInterpolation );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new Error( message ); // fatal, in this case\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconsole.warn( 'THREE.KeyframeTrack:', message );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tthis.createInterpolant = factoryMethod;\n\n\t\treturn this;\n\n\t}\n\n\tgetInterpolation() {\n\n\t\tswitch ( this.createInterpolant ) {\n\n\t\t\tcase this.InterpolantFactoryMethodDiscrete:\n\n\t\t\t\treturn InterpolateDiscrete;\n\n\t\t\tcase this.InterpolantFactoryMethodLinear:\n\n\t\t\t\treturn InterpolateLinear;\n\n\t\t\tcase this.InterpolantFactoryMethodSmooth:\n\n\t\t\t\treturn InterpolateSmooth;\n\n\t\t}\n\n\t}\n\n\tgetValueSize() {\n\n\t\treturn this.values.length / this.times.length;\n\n\t}\n\n\t// move all keyframes either forwards or backwards in time\n\tshift( timeOffset ) {\n\n\t\tif ( timeOffset !== 0.0 ) {\n\n\t\t\tconst times = this.times;\n\n\t\t\tfor ( let i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\ttimes[ i ] += timeOffset;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// scale all keyframe times by a factor (useful for frame <-> seconds conversions)\n\tscale( timeScale ) {\n\n\t\tif ( timeScale !== 1.0 ) {\n\n\t\t\tconst times = this.times;\n\n\t\t\tfor ( let i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\ttimes[ i ] *= timeScale;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// removes keyframes before and after animation without changing any values within the range [startTime, endTime].\n\t// IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values\n\ttrim( startTime, endTime ) {\n\n\t\tconst times = this.times,\n\t\t\tnKeys = times.length;\n\n\t\tlet from = 0,\n\t\t\tto = nKeys - 1;\n\n\t\twhile ( from !== nKeys && times[ from ] < startTime ) {\n\n\t\t\t++ from;\n\n\t\t}\n\n\t\twhile ( to !== - 1 && times[ to ] > endTime ) {\n\n\t\t\t-- to;\n\n\t\t}\n\n\t\t++ to; // inclusive -> exclusive bound\n\n\t\tif ( from !== 0 || to !== nKeys ) {\n\n\t\t\t// empty tracks are forbidden, so keep at least one keyframe\n\t\t\tif ( from >= to ) {\n\n\t\t\t\tto = Math.max( to, 1 );\n\t\t\t\tfrom = to - 1;\n\n\t\t\t}\n\n\t\t\tconst stride = this.getValueSize();\n\t\t\tthis.times = AnimationUtils.arraySlice( times, from, to );\n\t\t\tthis.values = AnimationUtils.arraySlice( this.values, from * stride, to * stride );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable\n\tvalidate() {\n\n\t\tlet valid = true;\n\n\t\tconst valueSize = this.getValueSize();\n\t\tif ( valueSize - Math.floor( valueSize ) !== 0 ) {\n\n\t\t\tconsole.error( 'THREE.KeyframeTrack: Invalid value size in track.', this );\n\t\t\tvalid = false;\n\n\t\t}\n\n\t\tconst times = this.times,\n\t\t\tvalues = this.values,\n\n\t\t\tnKeys = times.length;\n\n\t\tif ( nKeys === 0 ) {\n\n\t\t\tconsole.error( 'THREE.KeyframeTrack: Track is empty.', this );\n\t\t\tvalid = false;\n\n\t\t}\n\n\t\tlet prevTime = null;\n\n\t\tfor ( let i = 0; i !== nKeys; i ++ ) {\n\n\t\t\tconst currTime = times[ i ];\n\n\t\t\tif ( typeof currTime === 'number' && isNaN( currTime ) ) {\n\n\t\t\t\tconsole.error( 'THREE.KeyframeTrack: Time is not a valid number.', this, i, currTime );\n\t\t\t\tvalid = false;\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( prevTime !== null && prevTime > currTime ) {\n\n\t\t\t\tconsole.error( 'THREE.KeyframeTrack: Out of order keys.', this, i, currTime, prevTime );\n\t\t\t\tvalid = false;\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tprevTime = currTime;\n\n\t\t}\n\n\t\tif ( values !== undefined ) {\n\n\t\t\tif ( AnimationUtils.isTypedArray( values ) ) {\n\n\t\t\t\tfor ( let i = 0, n = values.length; i !== n; ++ i ) {\n\n\t\t\t\t\tconst value = values[ i ];\n\n\t\t\t\t\tif ( isNaN( value ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.KeyframeTrack: Value is not a valid number.', this, i, value );\n\t\t\t\t\t\tvalid = false;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn valid;\n\n\t}\n\n\t// removes equivalent sequential keys as common in morph target sequences\n\t// (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0)\n\toptimize() {\n\n\t\t// times or values may be shared with other tracks, so overwriting is unsafe\n\t\tconst times = AnimationUtils.arraySlice( this.times ),\n\t\t\tvalues = AnimationUtils.arraySlice( this.values ),\n\t\t\tstride = this.getValueSize(),\n\n\t\t\tsmoothInterpolation = this.getInterpolation() === InterpolateSmooth,\n\n\t\t\tlastIndex = times.length - 1;\n\n\t\tlet writeIndex = 1;\n\n\t\tfor ( let i = 1; i < lastIndex; ++ i ) {\n\n\t\t\tlet keep = false;\n\n\t\t\tconst time = times[ i ];\n\t\t\tconst timeNext = times[ i + 1 ];\n\n\t\t\t// remove adjacent keyframes scheduled at the same time\n\n\t\t\tif ( time !== timeNext && ( i !== 1 || time !== times[ 0 ] ) ) {\n\n\t\t\t\tif ( ! smoothInterpolation ) {\n\n\t\t\t\t\t// remove unnecessary keyframes same as their neighbors\n\n\t\t\t\t\tconst offset = i * stride,\n\t\t\t\t\t\toffsetP = offset - stride,\n\t\t\t\t\t\toffsetN = offset + stride;\n\n\t\t\t\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\tconst value = values[ offset + j ];\n\n\t\t\t\t\t\tif ( value !== values[ offsetP + j ] ||\n\t\t\t\t\t\t\tvalue !== values[ offsetN + j ] ) {\n\n\t\t\t\t\t\t\tkeep = true;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tkeep = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// in-place compaction\n\n\t\t\tif ( keep ) {\n\n\t\t\t\tif ( i !== writeIndex ) {\n\n\t\t\t\t\ttimes[ writeIndex ] = times[ i ];\n\n\t\t\t\t\tconst readOffset = i * stride,\n\t\t\t\t\t\twriteOffset = writeIndex * stride;\n\n\t\t\t\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t++ writeIndex;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// flush last keyframe (compaction looks ahead)\n\n\t\tif ( lastIndex > 0 ) {\n\n\t\t\ttimes[ writeIndex ] = times[ lastIndex ];\n\n\t\t\tfor ( let readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j ) {\n\n\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t}\n\n\t\t\t++ writeIndex;\n\n\t\t}\n\n\t\tif ( writeIndex !== times.length ) {\n\n\t\t\tthis.times = AnimationUtils.arraySlice( times, 0, writeIndex );\n\t\t\tthis.values = AnimationUtils.arraySlice( values, 0, writeIndex * stride );\n\n\t\t} else {\n\n\t\t\tthis.times = times;\n\t\t\tthis.values = values;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\tconst times = AnimationUtils.arraySlice( this.times, 0 );\n\t\tconst values = AnimationUtils.arraySlice( this.values, 0 );\n\n\t\tconst TypedKeyframeTrack = this.constructor;\n\t\tconst track = new TypedKeyframeTrack( this.name, times, values );\n\n\t\t// Interpolant argument to constructor is not saved, so copy the factory method directly.\n\t\ttrack.createInterpolant = this.createInterpolant;\n\n\t\treturn track;\n\n\t}\n\n}\n\nKeyframeTrack.prototype.TimeBufferType = Float32Array;\nKeyframeTrack.prototype.ValueBufferType = Float32Array;\nKeyframeTrack.prototype.DefaultInterpolation = InterpolateLinear;\n\n/**\n * A Track of Boolean keyframe values.\n */\nclass BooleanKeyframeTrack extends KeyframeTrack {}\n\nBooleanKeyframeTrack.prototype.ValueTypeName = 'bool';\nBooleanKeyframeTrack.prototype.ValueBufferType = Array;\nBooleanKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete;\nBooleanKeyframeTrack.prototype.InterpolantFactoryMethodLinear = undefined;\nBooleanKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A Track of keyframe values that represent color.\n */\nclass ColorKeyframeTrack extends KeyframeTrack {}\n\nColorKeyframeTrack.prototype.ValueTypeName = 'color';\n\n/**\n * A Track of numeric keyframe values.\n */\nclass NumberKeyframeTrack extends KeyframeTrack {}\n\nNumberKeyframeTrack.prototype.ValueTypeName = 'number';\n\n/**\n * Spherical linear unit quaternion interpolant.\n */\n\nclass QuaternionLinearInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\talpha = ( t - t0 ) / ( t1 - t0 );\n\n\t\tlet offset = i1 * stride;\n\n\t\tfor ( let end = offset + stride; offset !== end; offset += 4 ) {\n\n\t\t\tQuaternion.slerpFlat( result, 0, values, offset - stride, values, offset, alpha );\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\n/**\n * A Track of quaternion keyframe values.\n */\nclass QuaternionKeyframeTrack extends KeyframeTrack {\n\n\tInterpolantFactoryMethodLinear( result ) {\n\n\t\treturn new QuaternionLinearInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n}\n\nQuaternionKeyframeTrack.prototype.ValueTypeName = 'quaternion';\n// ValueBufferType is inherited\nQuaternionKeyframeTrack.prototype.DefaultInterpolation = InterpolateLinear;\nQuaternionKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A Track that interpolates Strings\n */\nclass StringKeyframeTrack extends KeyframeTrack {}\n\nStringKeyframeTrack.prototype.ValueTypeName = 'string';\nStringKeyframeTrack.prototype.ValueBufferType = Array;\nStringKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete;\nStringKeyframeTrack.prototype.InterpolantFactoryMethodLinear = undefined;\nStringKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A Track of vectored keyframe values.\n */\nclass VectorKeyframeTrack extends KeyframeTrack {}\n\nVectorKeyframeTrack.prototype.ValueTypeName = 'vector';\n\nclass AnimationClip {\n\n\tconstructor( name, duration = - 1, tracks, blendMode = NormalAnimationBlendMode ) {\n\n\t\tthis.name = name;\n\t\tthis.tracks = tracks;\n\t\tthis.duration = duration;\n\t\tthis.blendMode = blendMode;\n\n\t\tthis.uuid = generateUUID();\n\n\t\t// this means it should figure out its duration by scanning the tracks\n\t\tif ( this.duration < 0 ) {\n\n\t\t\tthis.resetDuration();\n\n\t\t}\n\n\t}\n\n\n\tstatic parse( json ) {\n\n\t\tconst tracks = [],\n\t\t\tjsonTracks = json.tracks,\n\t\t\tframeTime = 1.0 / ( json.fps || 1.0 );\n\n\t\tfor ( let i = 0, n = jsonTracks.length; i !== n; ++ i ) {\n\n\t\t\ttracks.push( parseKeyframeTrack( jsonTracks[ i ] ).scale( frameTime ) );\n\n\t\t}\n\n\t\tconst clip = new this( json.name, json.duration, tracks, json.blendMode );\n\t\tclip.uuid = json.uuid;\n\n\t\treturn clip;\n\n\t}\n\n\tstatic toJSON( clip ) {\n\n\t\tconst tracks = [],\n\t\t\tclipTracks = clip.tracks;\n\n\t\tconst json = {\n\n\t\t\t'name': clip.name,\n\t\t\t'duration': clip.duration,\n\t\t\t'tracks': tracks,\n\t\t\t'uuid': clip.uuid,\n\t\t\t'blendMode': clip.blendMode\n\n\t\t};\n\n\t\tfor ( let i = 0, n = clipTracks.length; i !== n; ++ i ) {\n\n\t\t\ttracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) );\n\n\t\t}\n\n\t\treturn json;\n\n\t}\n\n\tstatic CreateFromMorphTargetSequence( name, morphTargetSequence, fps, noLoop ) {\n\n\t\tconst numMorphTargets = morphTargetSequence.length;\n\t\tconst tracks = [];\n\n\t\tfor ( let i = 0; i < numMorphTargets; i ++ ) {\n\n\t\t\tlet times = [];\n\t\t\tlet values = [];\n\n\t\t\ttimes.push(\n\t\t\t\t( i + numMorphTargets - 1 ) % numMorphTargets,\n\t\t\t\ti,\n\t\t\t\t( i + 1 ) % numMorphTargets );\n\n\t\t\tvalues.push( 0, 1, 0 );\n\n\t\t\tconst order = AnimationUtils.getKeyframeOrder( times );\n\t\t\ttimes = AnimationUtils.sortedArray( times, 1, order );\n\t\t\tvalues = AnimationUtils.sortedArray( values, 1, order );\n\n\t\t\t// if there is a key at the first frame, duplicate it as the\n\t\t\t// last frame as well for perfect loop.\n\t\t\tif ( ! noLoop && times[ 0 ] === 0 ) {\n\n\t\t\t\ttimes.push( numMorphTargets );\n\t\t\t\tvalues.push( values[ 0 ] );\n\n\t\t\t}\n\n\t\t\ttracks.push(\n\t\t\t\tnew NumberKeyframeTrack(\n\t\t\t\t\t'.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']',\n\t\t\t\t\ttimes, values\n\t\t\t\t).scale( 1.0 / fps ) );\n\n\t\t}\n\n\t\treturn new this( name, - 1, tracks );\n\n\t}\n\n\tstatic findByName( objectOrClipArray, name ) {\n\n\t\tlet clipArray = objectOrClipArray;\n\n\t\tif ( ! Array.isArray( objectOrClipArray ) ) {\n\n\t\t\tconst o = objectOrClipArray;\n\t\t\tclipArray = o.geometry && o.geometry.animations || o.animations;\n\n\t\t}\n\n\t\tfor ( let i = 0; i < clipArray.length; i ++ ) {\n\n\t\t\tif ( clipArray[ i ].name === name ) {\n\n\t\t\t\treturn clipArray[ i ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\tstatic CreateClipsFromMorphTargetSequences( morphTargets, fps, noLoop ) {\n\n\t\tconst animationToMorphTargets = {};\n\n\t\t// tested with https://regex101.com/ on trick sequences\n\t\t// such flamingo_flyA_003, flamingo_run1_003, crdeath0059\n\t\tconst pattern = /^([\\w-]*?)([\\d]+)$/;\n\n\t\t// sort morph target names into animation groups based\n\t\t// patterns like Walk_001, Walk_002, Run_001, Run_002\n\t\tfor ( let i = 0, il = morphTargets.length; i < il; i ++ ) {\n\n\t\t\tconst morphTarget = morphTargets[ i ];\n\t\t\tconst parts = morphTarget.name.match( pattern );\n\n\t\t\tif ( parts && parts.length > 1 ) {\n\n\t\t\t\tconst name = parts[ 1 ];\n\n\t\t\t\tlet animationMorphTargets = animationToMorphTargets[ name ];\n\n\t\t\t\tif ( ! animationMorphTargets ) {\n\n\t\t\t\t\tanimationToMorphTargets[ name ] = animationMorphTargets = [];\n\n\t\t\t\t}\n\n\t\t\t\tanimationMorphTargets.push( morphTarget );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst clips = [];\n\n\t\tfor ( const name in animationToMorphTargets ) {\n\n\t\t\tclips.push( this.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) );\n\n\t\t}\n\n\t\treturn clips;\n\n\t}\n\n\t// parse the animation.hierarchy format\n\tstatic parseAnimation( animation, bones ) {\n\n\t\tif ( ! animation ) {\n\n\t\t\tconsole.error( 'THREE.AnimationClip: No animation in JSONLoader data.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst addNonemptyTrack = function ( trackType, trackName, animationKeys, propertyName, destTracks ) {\n\n\t\t\t// only return track if there are actually keys.\n\t\t\tif ( animationKeys.length !== 0 ) {\n\n\t\t\t\tconst times = [];\n\t\t\t\tconst values = [];\n\n\t\t\t\tAnimationUtils.flattenJSON( animationKeys, times, values, propertyName );\n\n\t\t\t\t// empty keys are filtered out, so check again\n\t\t\t\tif ( times.length !== 0 ) {\n\n\t\t\t\t\tdestTracks.push( new trackType( trackName, times, values ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tconst tracks = [];\n\n\t\tconst clipName = animation.name || 'default';\n\t\tconst fps = animation.fps || 30;\n\t\tconst blendMode = animation.blendMode;\n\n\t\t// automatic length determination in AnimationClip.\n\t\tlet duration = animation.length || - 1;\n\n\t\tconst hierarchyTracks = animation.hierarchy || [];\n\n\t\tfor ( let h = 0; h < hierarchyTracks.length; h ++ ) {\n\n\t\t\tconst animationKeys = hierarchyTracks[ h ].keys;\n\n\t\t\t// skip empty tracks\n\t\t\tif ( ! animationKeys || animationKeys.length === 0 ) continue;\n\n\t\t\t// process morph targets\n\t\t\tif ( animationKeys[ 0 ].morphTargets ) {\n\n\t\t\t\t// figure out all morph targets used in this track\n\t\t\t\tconst morphTargetNames = {};\n\n\t\t\t\tlet k;\n\n\t\t\t\tfor ( k = 0; k < animationKeys.length; k ++ ) {\n\n\t\t\t\t\tif ( animationKeys[ k ].morphTargets ) {\n\n\t\t\t\t\t\tfor ( let m = 0; m < animationKeys[ k ].morphTargets.length; m ++ ) {\n\n\t\t\t\t\t\t\tmorphTargetNames[ animationKeys[ k ].morphTargets[ m ] ] = - 1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// create a track for each morph target with all zero\n\t\t\t\t// morphTargetInfluences except for the keys in which\n\t\t\t\t// the morphTarget is named.\n\t\t\t\tfor ( const morphTargetName in morphTargetNames ) {\n\n\t\t\t\t\tconst times = [];\n\t\t\t\t\tconst values = [];\n\n\t\t\t\t\tfor ( let m = 0; m !== animationKeys[ k ].morphTargets.length; ++ m ) {\n\n\t\t\t\t\t\tconst animationKey = animationKeys[ k ];\n\n\t\t\t\t\t\ttimes.push( animationKey.time );\n\t\t\t\t\t\tvalues.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttracks.push( new NumberKeyframeTrack( '.morphTargetInfluence[' + morphTargetName + ']', times, values ) );\n\n\t\t\t\t}\n\n\t\t\t\tduration = morphTargetNames.length * ( fps || 1.0 );\n\n\t\t\t} else {\n\n\t\t\t\t// ...assume skeletal animation\n\n\t\t\t\tconst boneName = '.bones[' + bones[ h ].name + ']';\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tVectorKeyframeTrack, boneName + '.position',\n\t\t\t\t\tanimationKeys, 'pos', tracks );\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tQuaternionKeyframeTrack, boneName + '.quaternion',\n\t\t\t\t\tanimationKeys, 'rot', tracks );\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tVectorKeyframeTrack, boneName + '.scale',\n\t\t\t\t\tanimationKeys, 'scl', tracks );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( tracks.length === 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst clip = new this( clipName, duration, tracks, blendMode );\n\n\t\treturn clip;\n\n\t}\n\n\tresetDuration() {\n\n\t\tconst tracks = this.tracks;\n\t\tlet duration = 0;\n\n\t\tfor ( let i = 0, n = tracks.length; i !== n; ++ i ) {\n\n\t\t\tconst track = this.tracks[ i ];\n\n\t\t\tduration = Math.max( duration, track.times[ track.times.length - 1 ] );\n\n\t\t}\n\n\t\tthis.duration = duration;\n\n\t\treturn this;\n\n\t}\n\n\ttrim() {\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tthis.tracks[ i ].trim( 0, this.duration );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tvalidate() {\n\n\t\tlet valid = true;\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tvalid = valid && this.tracks[ i ].validate();\n\n\t\t}\n\n\t\treturn valid;\n\n\t}\n\n\toptimize() {\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tthis.tracks[ i ].optimize();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\tconst tracks = [];\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\ttracks.push( this.tracks[ i ].clone() );\n\n\t\t}\n\n\t\treturn new this.constructor( this.name, this.duration, tracks, this.blendMode );\n\n\t}\n\n\ttoJSON() {\n\n\t\treturn this.constructor.toJSON( this );\n\n\t}\n\n}\n\nfunction getTrackTypeForValueTypeName( typeName ) {\n\n\tswitch ( typeName.toLowerCase() ) {\n\n\t\tcase 'scalar':\n\t\tcase 'double':\n\t\tcase 'float':\n\t\tcase 'number':\n\t\tcase 'integer':\n\n\t\t\treturn NumberKeyframeTrack;\n\n\t\tcase 'vector':\n\t\tcase 'vector2':\n\t\tcase 'vector3':\n\t\tcase 'vector4':\n\n\t\t\treturn VectorKeyframeTrack;\n\n\t\tcase 'color':\n\n\t\t\treturn ColorKeyframeTrack;\n\n\t\tcase 'quaternion':\n\n\t\t\treturn QuaternionKeyframeTrack;\n\n\t\tcase 'bool':\n\t\tcase 'boolean':\n\n\t\t\treturn BooleanKeyframeTrack;\n\n\t\tcase 'string':\n\n\t\t\treturn StringKeyframeTrack;\n\n\t}\n\n\tthrow new Error( 'THREE.KeyframeTrack: Unsupported typeName: ' + typeName );\n\n}\n\nfunction parseKeyframeTrack( json ) {\n\n\tif ( json.type === undefined ) {\n\n\t\tthrow new Error( 'THREE.KeyframeTrack: track type undefined, can not parse' );\n\n\t}\n\n\tconst trackType = getTrackTypeForValueTypeName( json.type );\n\n\tif ( json.times === undefined ) {\n\n\t\tconst times = [], values = [];\n\n\t\tAnimationUtils.flattenJSON( json.keys, times, values, 'value' );\n\n\t\tjson.times = times;\n\t\tjson.values = values;\n\n\t}\n\n\t// derived classes can define a static parse method\n\tif ( trackType.parse !== undefined ) {\n\n\t\treturn trackType.parse( json );\n\n\t} else {\n\n\t\t// by default, we assume a constructor compatible with the base\n\t\treturn new trackType( json.name, json.times, json.values, json.interpolation );\n\n\t}\n\n}\n\nconst Cache = {\n\n\tenabled: false,\n\n\tfiles: {},\n\n\tadd: function ( key, file ) {\n\n\t\tif ( this.enabled === false ) return;\n\n\t\t// console.log( 'THREE.Cache', 'Adding key:', key );\n\n\t\tthis.files[ key ] = file;\n\n\t},\n\n\tget: function ( key ) {\n\n\t\tif ( this.enabled === false ) return;\n\n\t\t// console.log( 'THREE.Cache', 'Checking key:', key );\n\n\t\treturn this.files[ key ];\n\n\t},\n\n\tremove: function ( key ) {\n\n\t\tdelete this.files[ key ];\n\n\t},\n\n\tclear: function () {\n\n\t\tthis.files = {};\n\n\t}\n\n};\n\nclass LoadingManager {\n\n\tconstructor( onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tlet isLoading = false;\n\t\tlet itemsLoaded = 0;\n\t\tlet itemsTotal = 0;\n\t\tlet urlModifier = undefined;\n\t\tconst handlers = [];\n\n\t\t// Refer to #5689 for the reason why we don't set .onStart\n\t\t// in the constructor\n\n\t\tthis.onStart = undefined;\n\t\tthis.onLoad = onLoad;\n\t\tthis.onProgress = onProgress;\n\t\tthis.onError = onError;\n\n\t\tthis.itemStart = function ( url ) {\n\n\t\t\titemsTotal ++;\n\n\t\t\tif ( isLoading === false ) {\n\n\t\t\t\tif ( scope.onStart !== undefined ) {\n\n\t\t\t\t\tscope.onStart( url, itemsLoaded, itemsTotal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tisLoading = true;\n\n\t\t};\n\n\t\tthis.itemEnd = function ( url ) {\n\n\t\t\titemsLoaded ++;\n\n\t\t\tif ( scope.onProgress !== undefined ) {\n\n\t\t\t\tscope.onProgress( url, itemsLoaded, itemsTotal );\n\n\t\t\t}\n\n\t\t\tif ( itemsLoaded === itemsTotal ) {\n\n\t\t\t\tisLoading = false;\n\n\t\t\t\tif ( scope.onLoad !== undefined ) {\n\n\t\t\t\t\tscope.onLoad();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.itemError = function ( url ) {\n\n\t\t\tif ( scope.onError !== undefined ) {\n\n\t\t\t\tscope.onError( url );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.resolveURL = function ( url ) {\n\n\t\t\tif ( urlModifier ) {\n\n\t\t\t\treturn urlModifier( url );\n\n\t\t\t}\n\n\t\t\treturn url;\n\n\t\t};\n\n\t\tthis.setURLModifier = function ( transform ) {\n\n\t\t\turlModifier = transform;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\tthis.addHandler = function ( regex, loader ) {\n\n\t\t\thandlers.push( regex, loader );\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\tthis.removeHandler = function ( regex ) {\n\n\t\t\tconst index = handlers.indexOf( regex );\n\n\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\thandlers.splice( index, 2 );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\tthis.getHandler = function ( file ) {\n\n\t\t\tfor ( let i = 0, l = handlers.length; i < l; i += 2 ) {\n\n\t\t\t\tconst regex = handlers[ i ];\n\t\t\t\tconst loader = handlers[ i + 1 ];\n\n\t\t\t\tif ( regex.global ) regex.lastIndex = 0; // see #17920\n\n\t\t\t\tif ( regex.test( file ) ) {\n\n\t\t\t\t\treturn loader;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t};\n\n\t}\n\n}\n\nconst DefaultLoadingManager = new LoadingManager();\n\nclass Loader {\n\n\tconstructor( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\tthis.crossOrigin = 'anonymous';\n\t\tthis.withCredentials = false;\n\t\tthis.path = '';\n\t\tthis.resourcePath = '';\n\t\tthis.requestHeader = {};\n\n\t}\n\n\tload( /* url, onLoad, onProgress, onError */ ) {}\n\n\tloadAsync( url, onProgress ) {\n\n\t\tconst scope = this;\n\n\t\treturn new Promise( function ( resolve, reject ) {\n\n\t\t\tscope.load( url, resolve, onProgress, reject );\n\n\t\t} );\n\n\t}\n\n\tparse( /* data */ ) {}\n\n\tsetCrossOrigin( crossOrigin ) {\n\n\t\tthis.crossOrigin = crossOrigin;\n\t\treturn this;\n\n\t}\n\n\tsetWithCredentials( value ) {\n\n\t\tthis.withCredentials = value;\n\t\treturn this;\n\n\t}\n\n\tsetPath( path ) {\n\n\t\tthis.path = path;\n\t\treturn this;\n\n\t}\n\n\tsetResourcePath( resourcePath ) {\n\n\t\tthis.resourcePath = resourcePath;\n\t\treturn this;\n\n\t}\n\n\tsetRequestHeader( requestHeader ) {\n\n\t\tthis.requestHeader = requestHeader;\n\t\treturn this;\n\n\t}\n\n}\n\nconst loading = {};\n\nclass FileLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( url === undefined ) url = '';\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst cached = Cache.get( url );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tthis.manager.itemStart( url );\n\n\t\t\tsetTimeout( () => {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tthis.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\t// Check if request is duplicate\n\n\t\tif ( loading[ url ] !== undefined ) {\n\n\t\t\tloading[ url ].push( {\n\n\t\t\t\tonLoad: onLoad,\n\t\t\t\tonProgress: onProgress,\n\t\t\t\tonError: onError\n\n\t\t\t} );\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t// Initialise array for duplicate requests\n\t\tloading[ url ] = [];\n\n\t\tloading[ url ].push( {\n\t\t\tonLoad: onLoad,\n\t\t\tonProgress: onProgress,\n\t\t\tonError: onError,\n\t\t} );\n\n\t\t// create request\n\t\tconst req = new Request( url, {\n\t\t\theaders: new Headers( this.requestHeader ),\n\t\t\tcredentials: this.withCredentials ? 'include' : 'same-origin',\n\t\t\t// An abort controller could be added within a future PR\n\t\t} );\n\n\t\t// start the fetch\n\t\tfetch( req )\n\t\t\t.then( response => {\n\n\t\t\t\tif ( response.status === 200 || response.status === 0 ) {\n\n\t\t\t\t\t// Some browsers return HTTP Status 0 when using non-http protocol\n\t\t\t\t\t// e.g. 'file://' or 'data://'. Handle as success.\n\n\t\t\t\t\tif ( response.status === 0 ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.FileLoader: HTTP Status 0 received.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst callbacks = loading[ url ];\n\t\t\t\t\tconst reader = response.body.getReader();\n\t\t\t\t\tconst contentLength = response.headers.get( 'Content-Length' );\n\t\t\t\t\tconst total = contentLength ? parseInt( contentLength ) : 0;\n\t\t\t\t\tconst lengthComputable = total !== 0;\n\t\t\t\t\tlet loaded = 0;\n\n\t\t\t\t\t// periodically read data into the new stream tracking while download progress\n\t\t\t\t\treturn new ReadableStream( {\n\t\t\t\t\t\tstart( controller ) {\n\n\t\t\t\t\t\t\treadData();\n\n\t\t\t\t\t\t\tfunction readData() {\n\n\t\t\t\t\t\t\t\treader.read().then( ( { done, value } ) => {\n\n\t\t\t\t\t\t\t\t\tif ( done ) {\n\n\t\t\t\t\t\t\t\t\t\tcontroller.close();\n\n\t\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\t\tloaded += value.byteLength;\n\n\t\t\t\t\t\t\t\t\t\tconst event = new ProgressEvent( 'progress', { lengthComputable, loaded, total } );\n\t\t\t\t\t\t\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\t\t\t\t\t\t\tif ( callback.onProgress ) callback.onProgress( event );\n\n\t\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t\t\tcontroller.enqueue( value );\n\t\t\t\t\t\t\t\t\t\treadData();\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow Error( `fetch for \"${response.url}\" responded with ${response.status}: ${response.statusText}` );\n\n\t\t\t\t}\n\n\t\t\t} )\n\t\t\t.then( stream => {\n\n\t\t\t\tconst response = new Response( stream );\n\n\t\t\t\tswitch ( this.responseType ) {\n\n\t\t\t\t\tcase 'arraybuffer':\n\n\t\t\t\t\t\treturn response.arrayBuffer();\n\n\t\t\t\t\tcase 'blob':\n\n\t\t\t\t\t\treturn response.blob();\n\n\t\t\t\t\tcase 'document':\n\n\t\t\t\t\t\treturn response.text()\n\t\t\t\t\t\t\t.then( text => {\n\n\t\t\t\t\t\t\t\tconst parser = new DOMParser();\n\t\t\t\t\t\t\t\treturn parser.parseFromString( text, this.mimeType );\n\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\tcase 'json':\n\n\t\t\t\t\t\treturn response.json();\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\treturn response.text();\n\n\t\t\t\t}\n\n\t\t\t} )\n\t\t\t.then( data => {\n\n\t\t\t\t// Add to cache only on HTTP success, so that we do not cache\n\t\t\t\t// error response bodies as proper responses to requests.\n\t\t\t\tCache.add( url, data );\n\n\t\t\t\tconst callbacks = loading[ url ];\n\t\t\t\tdelete loading[ url ];\n\n\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\tif ( callback.onLoad ) callback.onLoad( data );\n\n\t\t\t\t}\n\n\t\t\t\tthis.manager.itemEnd( url );\n\n\t\t\t} )\n\t\t\t.catch( err => {\n\n\t\t\t\t// Abort errors and other errors are handled the same\n\n\t\t\t\tconst callbacks = loading[ url ];\n\t\t\t\tdelete loading[ url ];\n\n\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\tif ( callback.onError ) callback.onError( err );\n\n\t\t\t\t}\n\n\t\t\t\tthis.manager.itemError( url );\n\t\t\t\tthis.manager.itemEnd( url );\n\n\t\t\t} );\n\n\t\tthis.manager.itemStart( url );\n\n\t}\n\n\tsetResponseType( value ) {\n\n\t\tthis.responseType = value;\n\t\treturn this;\n\n\t}\n\n\tsetMimeType( value ) {\n\n\t\tthis.mimeType = value;\n\t\treturn this;\n\n\t}\n\n}\n\nclass AnimationLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\tconst animations = [];\n\n\t\tfor ( let i = 0; i < json.length; i ++ ) {\n\n\t\t\tconst clip = AnimationClip.parse( json[ i ] );\n\n\t\t\tanimations.push( clip );\n\n\t\t}\n\n\t\treturn animations;\n\n\t}\n\n}\n\n/**\n * Abstract Base class to block based textures loader (dds, pvr, ...)\n *\n * Sub classes have to implement the parse() method which will be used in load().\n */\n\nclass CompressedTextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst images = [];\n\n\t\tconst texture = new CompressedTexture();\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\n\t\tlet loaded = 0;\n\n\t\tfunction loadTexture( i ) {\n\n\t\t\tloader.load( url[ i ], function ( buffer ) {\n\n\t\t\t\tconst texDatas = scope.parse( buffer, true );\n\n\t\t\t\timages[ i ] = {\n\t\t\t\t\twidth: texDatas.width,\n\t\t\t\t\theight: texDatas.height,\n\t\t\t\t\tformat: texDatas.format,\n\t\t\t\t\tmipmaps: texDatas.mipmaps\n\t\t\t\t};\n\n\t\t\t\tloaded += 1;\n\n\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\tif ( texDatas.mipmapCount === 1 ) texture.minFilter = LinearFilter;\n\n\t\t\t\t\ttexture.image = images;\n\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t\tif ( Array.isArray( url ) ) {\n\n\t\t\tfor ( let i = 0, il = url.length; i < il; ++ i ) {\n\n\t\t\t\tloadTexture( i );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// compressed cubemap texture stored in a single DDS file\n\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tconst texDatas = scope.parse( buffer, true );\n\n\t\t\t\tif ( texDatas.isCubemap ) {\n\n\t\t\t\t\tconst faces = texDatas.mipmaps.length / texDatas.mipmapCount;\n\n\t\t\t\t\tfor ( let f = 0; f < faces; f ++ ) {\n\n\t\t\t\t\t\timages[ f ] = { mipmaps: [] };\n\n\t\t\t\t\t\tfor ( let i = 0; i < texDatas.mipmapCount; i ++ ) {\n\n\t\t\t\t\t\t\timages[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] );\n\t\t\t\t\t\t\timages[ f ].format = texDatas.format;\n\t\t\t\t\t\t\timages[ f ].width = texDatas.width;\n\t\t\t\t\t\t\timages[ f ].height = texDatas.height;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.image = images;\n\n\t\t\t\t} else {\n\n\t\t\t\t\ttexture.image.width = texDatas.width;\n\t\t\t\t\ttexture.image.height = texDatas.height;\n\t\t\t\t\ttexture.mipmaps = texDatas.mipmaps;\n\n\t\t\t\t}\n\n\t\t\t\tif ( texDatas.mipmapCount === 1 ) {\n\n\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n}\n\nclass ImageLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst scope = this;\n\n\t\tconst cached = Cache.get( url );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\tsetTimeout( function () {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\tconst image = createElementNS( 'img' );\n\n\t\tfunction onImageLoad() {\n\n\t\t\tremoveEventListeners();\n\n\t\t\tCache.add( url, this );\n\n\t\t\tif ( onLoad ) onLoad( this );\n\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t}\n\n\t\tfunction onImageError( event ) {\n\n\t\t\tremoveEventListeners();\n\n\t\t\tif ( onError ) onError( event );\n\n\t\t\tscope.manager.itemError( url );\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t}\n\n\t\tfunction removeEventListeners() {\n\n\t\t\timage.removeEventListener( 'load', onImageLoad, false );\n\t\t\timage.removeEventListener( 'error', onImageError, false );\n\n\t\t}\n\n\t\timage.addEventListener( 'load', onImageLoad, false );\n\t\timage.addEventListener( 'error', onImageError, false );\n\n\t\tif ( url.substr( 0, 5 ) !== 'data:' ) {\n\n\t\t\tif ( this.crossOrigin !== undefined ) image.crossOrigin = this.crossOrigin;\n\n\t\t}\n\n\t\tscope.manager.itemStart( url );\n\n\t\timage.src = url;\n\n\t\treturn image;\n\n\t}\n\n}\n\nclass CubeTextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( urls, onLoad, onProgress, onError ) {\n\n\t\tconst texture = new CubeTexture();\n\n\t\tconst loader = new ImageLoader( this.manager );\n\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\tloader.setPath( this.path );\n\n\t\tlet loaded = 0;\n\n\t\tfunction loadTexture( i ) {\n\n\t\t\tloader.load( urls[ i ], function ( image ) {\n\n\t\t\t\ttexture.images[ i ] = image;\n\n\t\t\t\tloaded ++;\n\n\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, undefined, onError );\n\n\t\t}\n\n\t\tfor ( let i = 0; i < urls.length; ++ i ) {\n\n\t\t\tloadTexture( i );\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n}\n\n/**\n * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...)\n *\n * Sub classes have to implement the parse() method which will be used in load().\n */\n\nclass DataTextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst texture = new DataTexture();\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setPath( this.path );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( buffer ) {\n\n\t\t\tconst texData = scope.parse( buffer );\n\n\t\t\tif ( ! texData ) return;\n\n\t\t\tif ( texData.image !== undefined ) {\n\n\t\t\t\ttexture.image = texData.image;\n\n\t\t\t} else if ( texData.data !== undefined ) {\n\n\t\t\t\ttexture.image.width = texData.width;\n\t\t\t\ttexture.image.height = texData.height;\n\t\t\t\ttexture.image.data = texData.data;\n\n\t\t\t}\n\n\t\t\ttexture.wrapS = texData.wrapS !== undefined ? texData.wrapS : ClampToEdgeWrapping;\n\t\t\ttexture.wrapT = texData.wrapT !== undefined ? texData.wrapT : ClampToEdgeWrapping;\n\n\t\t\ttexture.magFilter = texData.magFilter !== undefined ? texData.magFilter : LinearFilter;\n\t\t\ttexture.minFilter = texData.minFilter !== undefined ? texData.minFilter : LinearFilter;\n\n\t\t\ttexture.anisotropy = texData.anisotropy !== undefined ? texData.anisotropy : 1;\n\n\t\t\tif ( texData.encoding !== undefined ) {\n\n\t\t\t\ttexture.encoding = texData.encoding;\n\n\t\t\t}\n\n\t\t\tif ( texData.flipY !== undefined ) {\n\n\t\t\t\ttexture.flipY = texData.flipY;\n\n\t\t\t}\n\n\t\t\tif ( texData.format !== undefined ) {\n\n\t\t\t\ttexture.format = texData.format;\n\n\t\t\t}\n\n\t\t\tif ( texData.type !== undefined ) {\n\n\t\t\t\ttexture.type = texData.type;\n\n\t\t\t}\n\n\t\t\tif ( texData.mipmaps !== undefined ) {\n\n\t\t\t\ttexture.mipmaps = texData.mipmaps;\n\t\t\t\ttexture.minFilter = LinearMipmapLinearFilter; // presumably...\n\n\t\t\t}\n\n\t\t\tif ( texData.mipmapCount === 1 ) {\n\n\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t}\n\n\t\t\tif ( texData.generateMipmaps !== undefined ) {\n\n\t\t\t\ttexture.generateMipmaps = texData.generateMipmaps;\n\n\t\t\t}\n\n\t\t\ttexture.needsUpdate = true;\n\n\t\t\tif ( onLoad ) onLoad( texture, texData );\n\n\t\t}, onProgress, onError );\n\n\n\t\treturn texture;\n\n\t}\n\n}\n\nclass TextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst texture = new Texture();\n\n\t\tconst loader = new ImageLoader( this.manager );\n\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\tloader.setPath( this.path );\n\n\t\tloader.load( url, function ( image ) {\n\n\t\t\ttexture.image = image;\n\t\t\ttexture.needsUpdate = true;\n\n\t\t\tif ( onLoad !== undefined ) {\n\n\t\t\t\tonLoad( texture );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t\treturn texture;\n\n\t}\n\n}\n\nclass Light extends Object3D {\n\n\tconstructor( color, intensity = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Light';\n\n\t\tthis.color = new Color( color );\n\t\tthis.intensity = intensity;\n\n\t}\n\n\tdispose() {\n\n\t\t// Empty here in base class; some subclasses override.\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.intensity = source.intensity;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.color = this.color.getHex();\n\t\tdata.object.intensity = this.intensity;\n\n\t\tif ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex();\n\n\t\tif ( this.distance !== undefined ) data.object.distance = this.distance;\n\t\tif ( this.angle !== undefined ) data.object.angle = this.angle;\n\t\tif ( this.decay !== undefined ) data.object.decay = this.decay;\n\t\tif ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra;\n\n\t\tif ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON();\n\n\t\treturn data;\n\n\t}\n\n}\n\nLight.prototype.isLight = true;\n\nclass HemisphereLight extends Light {\n\n\tconstructor( skyColor, groundColor, intensity ) {\n\n\t\tsuper( skyColor, intensity );\n\n\t\tthis.type = 'HemisphereLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.groundColor = new Color( groundColor );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tLight.prototype.copy.call( this, source );\n\n\t\tthis.groundColor.copy( source.groundColor );\n\n\t\treturn this;\n\n\t}\n\n}\n\nHemisphereLight.prototype.isHemisphereLight = true;\n\nconst _projScreenMatrix$1 = /*@__PURE__*/ new Matrix4();\nconst _lightPositionWorld$1 = /*@__PURE__*/ new Vector3();\nconst _lookTarget$1 = /*@__PURE__*/ new Vector3();\n\nclass LightShadow {\n\n\tconstructor( camera ) {\n\n\t\tthis.camera = camera;\n\n\t\tthis.bias = 0;\n\t\tthis.normalBias = 0;\n\t\tthis.radius = 1;\n\t\tthis.blurSamples = 8;\n\n\t\tthis.mapSize = new Vector2( 512, 512 );\n\n\t\tthis.map = null;\n\t\tthis.mapPass = null;\n\t\tthis.matrix = new Matrix4();\n\n\t\tthis.autoUpdate = true;\n\t\tthis.needsUpdate = false;\n\n\t\tthis._frustum = new Frustum();\n\t\tthis._frameExtents = new Vector2( 1, 1 );\n\n\t\tthis._viewportCount = 1;\n\n\t\tthis._viewports = [\n\n\t\t\tnew Vector4( 0, 0, 1, 1 )\n\n\t\t];\n\n\t}\n\n\tgetViewportCount() {\n\n\t\treturn this._viewportCount;\n\n\t}\n\n\tgetFrustum() {\n\n\t\treturn this._frustum;\n\n\t}\n\n\tupdateMatrices( light ) {\n\n\t\tconst shadowCamera = this.camera;\n\t\tconst shadowMatrix = this.matrix;\n\n\t\t_lightPositionWorld$1.setFromMatrixPosition( light.matrixWorld );\n\t\tshadowCamera.position.copy( _lightPositionWorld$1 );\n\n\t\t_lookTarget$1.setFromMatrixPosition( light.target.matrixWorld );\n\t\tshadowCamera.lookAt( _lookTarget$1 );\n\t\tshadowCamera.updateMatrixWorld();\n\n\t\t_projScreenMatrix$1.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse );\n\t\tthis._frustum.setFromProjectionMatrix( _projScreenMatrix$1 );\n\n\t\tshadowMatrix.set(\n\t\t\t0.5, 0.0, 0.0, 0.5,\n\t\t\t0.0, 0.5, 0.0, 0.5,\n\t\t\t0.0, 0.0, 0.5, 0.5,\n\t\t\t0.0, 0.0, 0.0, 1.0\n\t\t);\n\n\t\tshadowMatrix.multiply( shadowCamera.projectionMatrix );\n\t\tshadowMatrix.multiply( shadowCamera.matrixWorldInverse );\n\n\t}\n\n\tgetViewport( viewportIndex ) {\n\n\t\treturn this._viewports[ viewportIndex ];\n\n\t}\n\n\tgetFrameExtents() {\n\n\t\treturn this._frameExtents;\n\n\t}\n\n\tdispose() {\n\n\t\tif ( this.map ) {\n\n\t\t\tthis.map.dispose();\n\n\t\t}\n\n\t\tif ( this.mapPass ) {\n\n\t\t\tthis.mapPass.dispose();\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.camera = source.camera.clone();\n\n\t\tthis.bias = source.bias;\n\t\tthis.radius = source.radius;\n\n\t\tthis.mapSize.copy( source.mapSize );\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst object = {};\n\n\t\tif ( this.bias !== 0 ) object.bias = this.bias;\n\t\tif ( this.normalBias !== 0 ) object.normalBias = this.normalBias;\n\t\tif ( this.radius !== 1 ) object.radius = this.radius;\n\t\tif ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray();\n\n\t\tobject.camera = this.camera.toJSON( false ).object;\n\t\tdelete object.camera.matrix;\n\n\t\treturn object;\n\n\t}\n\n}\n\nclass SpotLightShadow extends LightShadow {\n\n\tconstructor() {\n\n\t\tsuper( new PerspectiveCamera( 50, 1, 0.5, 500 ) );\n\n\t\tthis.focus = 1;\n\n\t}\n\n\tupdateMatrices( light ) {\n\n\t\tconst camera = this.camera;\n\n\t\tconst fov = RAD2DEG * 2 * light.angle * this.focus;\n\t\tconst aspect = this.mapSize.width / this.mapSize.height;\n\t\tconst far = light.distance || camera.far;\n\n\t\tif ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) {\n\n\t\t\tcamera.fov = fov;\n\t\t\tcamera.aspect = aspect;\n\t\t\tcamera.far = far;\n\t\t\tcamera.updateProjectionMatrix();\n\n\t\t}\n\n\t\tsuper.updateMatrices( light );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.focus = source.focus;\n\n\t\treturn this;\n\n\t}\n\n}\n\nSpotLightShadow.prototype.isSpotLightShadow = true;\n\nclass SpotLight extends Light {\n\n\tconstructor( color, intensity, distance = 0, angle = Math.PI / 3, penumbra = 0, decay = 1 ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.type = 'SpotLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tthis.distance = distance;\n\t\tthis.angle = angle;\n\t\tthis.penumbra = penumbra;\n\t\tthis.decay = decay; // for physically correct lights, should be 2.\n\n\t\tthis.shadow = new SpotLightShadow();\n\n\t}\n\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in candela)\n\t\t// by convention for a spotlight, luminous power (lm) = \u03C0 * luminous intensity (cd)\n\t\treturn this.intensity * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in candela) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / Math.PI;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.distance = source.distance;\n\t\tthis.angle = source.angle;\n\t\tthis.penumbra = source.penumbra;\n\t\tthis.decay = source.decay;\n\n\t\tthis.target = source.target.clone();\n\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nSpotLight.prototype.isSpotLight = true;\n\nconst _projScreenMatrix = /*@__PURE__*/ new Matrix4();\nconst _lightPositionWorld = /*@__PURE__*/ new Vector3();\nconst _lookTarget = /*@__PURE__*/ new Vector3();\n\nclass PointLightShadow extends LightShadow {\n\n\tconstructor() {\n\n\t\tsuper( new PerspectiveCamera( 90, 1, 0.5, 500 ) );\n\n\t\tthis._frameExtents = new Vector2( 4, 2 );\n\n\t\tthis._viewportCount = 6;\n\n\t\tthis._viewports = [\n\t\t\t// These viewports map a cube-map onto a 2D texture with the\n\t\t\t// following orientation:\n\t\t\t//\n\t\t\t// xzXZ\n\t\t\t// y Y\n\t\t\t//\n\t\t\t// X - Positive x direction\n\t\t\t// x - Negative x direction\n\t\t\t// Y - Positive y direction\n\t\t\t// y - Negative y direction\n\t\t\t// Z - Positive z direction\n\t\t\t// z - Negative z direction\n\n\t\t\t// positive X\n\t\t\tnew Vector4( 2, 1, 1, 1 ),\n\t\t\t// negative X\n\t\t\tnew Vector4( 0, 1, 1, 1 ),\n\t\t\t// positive Z\n\t\t\tnew Vector4( 3, 1, 1, 1 ),\n\t\t\t// negative Z\n\t\t\tnew Vector4( 1, 1, 1, 1 ),\n\t\t\t// positive Y\n\t\t\tnew Vector4( 3, 0, 1, 1 ),\n\t\t\t// negative Y\n\t\t\tnew Vector4( 1, 0, 1, 1 )\n\t\t];\n\n\t\tthis._cubeDirections = [\n\t\t\tnew Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ),\n\t\t\tnew Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 )\n\t\t];\n\n\t\tthis._cubeUps = [\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ),\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ),\tnew Vector3( 0, 0, - 1 )\n\t\t];\n\n\t}\n\n\tupdateMatrices( light, viewportIndex = 0 ) {\n\n\t\tconst camera = this.camera;\n\t\tconst shadowMatrix = this.matrix;\n\n\t\tconst far = light.distance || camera.far;\n\n\t\tif ( far !== camera.far ) {\n\n\t\t\tcamera.far = far;\n\t\t\tcamera.updateProjectionMatrix();\n\n\t\t}\n\n\t\t_lightPositionWorld.setFromMatrixPosition( light.matrixWorld );\n\t\tcamera.position.copy( _lightPositionWorld );\n\n\t\t_lookTarget.copy( camera.position );\n\t\t_lookTarget.add( this._cubeDirections[ viewportIndex ] );\n\t\tcamera.up.copy( this._cubeUps[ viewportIndex ] );\n\t\tcamera.lookAt( _lookTarget );\n\t\tcamera.updateMatrixWorld();\n\n\t\tshadowMatrix.makeTranslation( - _lightPositionWorld.x, - _lightPositionWorld.y, - _lightPositionWorld.z );\n\n\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\tthis._frustum.setFromProjectionMatrix( _projScreenMatrix );\n\n\t}\n\n}\n\nPointLightShadow.prototype.isPointLightShadow = true;\n\nclass PointLight extends Light {\n\n\tconstructor( color, intensity, distance = 0, decay = 1 ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.type = 'PointLight';\n\n\t\tthis.distance = distance;\n\t\tthis.decay = decay; // for physically correct lights, should be 2.\n\n\t\tthis.shadow = new PointLightShadow();\n\n\t}\n\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in candela)\n\t\t// for an isotropic light source, luminous power (lm) = 4 \u03C0 luminous intensity (cd)\n\t\treturn this.intensity * 4 * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in candela) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / ( 4 * Math.PI );\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.distance = source.distance;\n\t\tthis.decay = source.decay;\n\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nPointLight.prototype.isPointLight = true;\n\nclass DirectionalLightShadow extends LightShadow {\n\n\tconstructor() {\n\n\t\tsuper( new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) );\n\n\t}\n\n}\n\nDirectionalLightShadow.prototype.isDirectionalLightShadow = true;\n\nclass DirectionalLight extends Light {\n\n\tconstructor( color, intensity ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.type = 'DirectionalLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tthis.shadow = new DirectionalLightShadow();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.target = source.target.clone();\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nDirectionalLight.prototype.isDirectionalLight = true;\n\nclass AmbientLight extends Light {\n\n\tconstructor( color, intensity ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.type = 'AmbientLight';\n\n\t}\n\n}\n\nAmbientLight.prototype.isAmbientLight = true;\n\nclass RectAreaLight extends Light {\n\n\tconstructor( color, intensity, width = 10, height = 10 ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.type = 'RectAreaLight';\n\n\t\tthis.width = width;\n\t\tthis.height = height;\n\n\t}\n\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in nits)\n\t\treturn this.intensity * this.width * this.height * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in nits) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / ( this.width * this.height * Math.PI );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.width = source.width;\n\t\tthis.height = source.height;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.width = this.width;\n\t\tdata.object.height = this.height;\n\n\t\treturn data;\n\n\t}\n\n}\n\nRectAreaLight.prototype.isRectAreaLight = true;\n\n/**\n * Primary reference:\n * https://graphics.stanford.edu/papers/envmap/envmap.pdf\n *\n * Secondary reference:\n * https://www.ppsloan.org/publications/StupidSH36.pdf\n */\n\n// 3-band SH defined by 9 coefficients\n\nclass SphericalHarmonics3 {\n\n\tconstructor() {\n\n\t\tthis.coefficients = [];\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients.push( new Vector3() );\n\n\t\t}\n\n\t}\n\n\tset( coefficients ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].copy( coefficients[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tzero() {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].set( 0, 0, 0 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// get the radiance in the direction of the normal\n\t// target is a Vector3\n\tgetAt( normal, target ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\tconst coeff = this.coefficients;\n\n\t\t// band 0\n\t\ttarget.copy( coeff[ 0 ] ).multiplyScalar( 0.282095 );\n\n\t\t// band 1\n\t\ttarget.addScaledVector( coeff[ 1 ], 0.488603 * y );\n\t\ttarget.addScaledVector( coeff[ 2 ], 0.488603 * z );\n\t\ttarget.addScaledVector( coeff[ 3 ], 0.488603 * x );\n\n\t\t// band 2\n\t\ttarget.addScaledVector( coeff[ 4 ], 1.092548 * ( x * y ) );\n\t\ttarget.addScaledVector( coeff[ 5 ], 1.092548 * ( y * z ) );\n\t\ttarget.addScaledVector( coeff[ 6 ], 0.315392 * ( 3.0 * z * z - 1.0 ) );\n\t\ttarget.addScaledVector( coeff[ 7 ], 1.092548 * ( x * z ) );\n\t\ttarget.addScaledVector( coeff[ 8 ], 0.546274 * ( x * x - y * y ) );\n\n\t\treturn target;\n\n\t}\n\n\t// get the irradiance (radiance convolved with cosine lobe) in the direction of the normal\n\t// target is a Vector3\n\t// https://graphics.stanford.edu/papers/envmap/envmap.pdf\n\tgetIrradianceAt( normal, target ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\tconst coeff = this.coefficients;\n\n\t\t// band 0\n\t\ttarget.copy( coeff[ 0 ] ).multiplyScalar( 0.886227 ); // \u03C0 * 0.282095\n\n\t\t// band 1\n\t\ttarget.addScaledVector( coeff[ 1 ], 2.0 * 0.511664 * y ); // ( 2 * \u03C0 / 3 ) * 0.488603\n\t\ttarget.addScaledVector( coeff[ 2 ], 2.0 * 0.511664 * z );\n\t\ttarget.addScaledVector( coeff[ 3 ], 2.0 * 0.511664 * x );\n\n\t\t// band 2\n\t\ttarget.addScaledVector( coeff[ 4 ], 2.0 * 0.429043 * x * y ); // ( \u03C0 / 4 ) * 1.092548\n\t\ttarget.addScaledVector( coeff[ 5 ], 2.0 * 0.429043 * y * z );\n\t\ttarget.addScaledVector( coeff[ 6 ], 0.743125 * z * z - 0.247708 ); // ( \u03C0 / 4 ) * 0.315392 * 3\n\t\ttarget.addScaledVector( coeff[ 7 ], 2.0 * 0.429043 * x * z );\n\t\ttarget.addScaledVector( coeff[ 8 ], 0.429043 * ( x * x - y * y ) ); // ( \u03C0 / 4 ) * 0.546274\n\n\t\treturn target;\n\n\t}\n\n\tadd( sh ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].add( sh.coefficients[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\taddScaledSH( sh, s ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].addScaledVector( sh.coefficients[ i ], s );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tscale( s ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].multiplyScalar( s );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tlerp( sh, alpha ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].lerp( sh.coefficients[ i ], alpha );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tequals( sh ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tif ( ! this.coefficients[ i ].equals( sh.coefficients[ i ] ) ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tcopy( sh ) {\n\n\t\treturn this.set( sh.coefficients );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tconst coefficients = this.coefficients;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tcoefficients[ i ].fromArray( array, offset + ( i * 3 ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst coefficients = this.coefficients;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tcoefficients[ i ].toArray( array, offset + ( i * 3 ) );\n\n\t\t}\n\n\t\treturn array;\n\n\t}\n\n\t// evaluate the basis functions\n\t// shBasis is an Array[ 9 ]\n\tstatic getBasisAt( normal, shBasis ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\t// band 0\n\t\tshBasis[ 0 ] = 0.282095;\n\n\t\t// band 1\n\t\tshBasis[ 1 ] = 0.488603 * y;\n\t\tshBasis[ 2 ] = 0.488603 * z;\n\t\tshBasis[ 3 ] = 0.488603 * x;\n\n\t\t// band 2\n\t\tshBasis[ 4 ] = 1.092548 * x * y;\n\t\tshBasis[ 5 ] = 1.092548 * y * z;\n\t\tshBasis[ 6 ] = 0.315392 * ( 3 * z * z - 1 );\n\t\tshBasis[ 7 ] = 1.092548 * x * z;\n\t\tshBasis[ 8 ] = 0.546274 * ( x * x - y * y );\n\n\t}\n\n}\n\nSphericalHarmonics3.prototype.isSphericalHarmonics3 = true;\n\nclass LightProbe extends Light {\n\n\tconstructor( sh = new SphericalHarmonics3(), intensity = 1 ) {\n\n\t\tsuper( undefined, intensity );\n\n\t\tthis.sh = sh;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.sh.copy( source.sh );\n\n\t\treturn this;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tthis.intensity = json.intensity; // TODO: Move this bit to Light.fromJSON();\n\t\tthis.sh.fromArray( json.sh );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.sh = this.sh.toArray();\n\n\t\treturn data;\n\n\t}\n\n}\n\nLightProbe.prototype.isLightProbe = true;\n\nclass MaterialLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\t\tthis.textures = {};\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( scope.manager );\n\t\tloader.setPath( scope.path );\n\t\tloader.setRequestHeader( scope.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\tconst textures = this.textures;\n\n\t\tfunction getTexture( name ) {\n\n\t\t\tif ( textures[ name ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.MaterialLoader: Undefined texture', name );\n\n\t\t\t}\n\n\t\t\treturn textures[ name ];\n\n\t\t}\n\n\t\tconst material = new Materials[ json.type ]();\n\n\t\tif ( json.uuid !== undefined ) material.uuid = json.uuid;\n\t\tif ( json.name !== undefined ) material.name = json.name;\n\t\tif ( json.color !== undefined && material.color !== undefined ) material.color.setHex( json.color );\n\t\tif ( json.roughness !== undefined ) material.roughness = json.roughness;\n\t\tif ( json.metalness !== undefined ) material.metalness = json.metalness;\n\t\tif ( json.sheen !== undefined ) material.sheen = json.sheen;\n\t\tif ( json.sheenColor !== undefined ) material.sheenColor = new Color().setHex( json.sheenColor );\n\t\tif ( json.sheenRoughness !== undefined ) material.sheenRoughness = json.sheenRoughness;\n\t\tif ( json.emissive !== undefined && material.emissive !== undefined ) material.emissive.setHex( json.emissive );\n\t\tif ( json.specular !== undefined && material.specular !== undefined ) material.specular.setHex( json.specular );\n\t\tif ( json.specularIntensity !== undefined ) material.specularIntensity = json.specularIntensity;\n\t\tif ( json.specularColor !== undefined && material.specularColor !== undefined ) material.specularColor.setHex( json.specularColor );\n\t\tif ( json.shininess !== undefined ) material.shininess = json.shininess;\n\t\tif ( json.clearcoat !== undefined ) material.clearcoat = json.clearcoat;\n\t\tif ( json.clearcoatRoughness !== undefined ) material.clearcoatRoughness = json.clearcoatRoughness;\n\t\tif ( json.transmission !== undefined ) material.transmission = json.transmission;\n\t\tif ( json.thickness !== undefined ) material.thickness = json.thickness;\n\t\tif ( json.attenuationDistance !== undefined ) material.attenuationDistance = json.attenuationDistance;\n\t\tif ( json.attenuationColor !== undefined && material.attenuationColor !== undefined ) material.attenuationColor.setHex( json.attenuationColor );\n\t\tif ( json.fog !== undefined ) material.fog = json.fog;\n\t\tif ( json.flatShading !== undefined ) material.flatShading = json.flatShading;\n\t\tif ( json.blending !== undefined ) material.blending = json.blending;\n\t\tif ( json.combine !== undefined ) material.combine = json.combine;\n\t\tif ( json.side !== undefined ) material.side = json.side;\n\t\tif ( json.shadowSide !== undefined ) material.shadowSide = json.shadowSide;\n\t\tif ( json.opacity !== undefined ) material.opacity = json.opacity;\n\t\tif ( json.format !== undefined ) material.format = json.format;\n\t\tif ( json.transparent !== undefined ) material.transparent = json.transparent;\n\t\tif ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest;\n\t\tif ( json.depthTest !== undefined ) material.depthTest = json.depthTest;\n\t\tif ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite;\n\t\tif ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite;\n\n\t\tif ( json.stencilWrite !== undefined ) material.stencilWrite = json.stencilWrite;\n\t\tif ( json.stencilWriteMask !== undefined ) material.stencilWriteMask = json.stencilWriteMask;\n\t\tif ( json.stencilFunc !== undefined ) material.stencilFunc = json.stencilFunc;\n\t\tif ( json.stencilRef !== undefined ) material.stencilRef = json.stencilRef;\n\t\tif ( json.stencilFuncMask !== undefined ) material.stencilFuncMask = json.stencilFuncMask;\n\t\tif ( json.stencilFail !== undefined ) material.stencilFail = json.stencilFail;\n\t\tif ( json.stencilZFail !== undefined ) material.stencilZFail = json.stencilZFail;\n\t\tif ( json.stencilZPass !== undefined ) material.stencilZPass = json.stencilZPass;\n\n\t\tif ( json.wireframe !== undefined ) material.wireframe = json.wireframe;\n\t\tif ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth;\n\t\tif ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap;\n\t\tif ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin;\n\n\t\tif ( json.rotation !== undefined ) material.rotation = json.rotation;\n\n\t\tif ( json.linewidth !== 1 ) material.linewidth = json.linewidth;\n\t\tif ( json.dashSize !== undefined ) material.dashSize = json.dashSize;\n\t\tif ( json.gapSize !== undefined ) material.gapSize = json.gapSize;\n\t\tif ( json.scale !== undefined ) material.scale = json.scale;\n\n\t\tif ( json.polygonOffset !== undefined ) material.polygonOffset = json.polygonOffset;\n\t\tif ( json.polygonOffsetFactor !== undefined ) material.polygonOffsetFactor = json.polygonOffsetFactor;\n\t\tif ( json.polygonOffsetUnits !== undefined ) material.polygonOffsetUnits = json.polygonOffsetUnits;\n\n\t\tif ( json.dithering !== undefined ) material.dithering = json.dithering;\n\n\t\tif ( json.alphaToCoverage !== undefined ) material.alphaToCoverage = json.alphaToCoverage;\n\t\tif ( json.premultipliedAlpha !== undefined ) material.premultipliedAlpha = json.premultipliedAlpha;\n\n\t\tif ( json.visible !== undefined ) material.visible = json.visible;\n\n\t\tif ( json.toneMapped !== undefined ) material.toneMapped = json.toneMapped;\n\n\t\tif ( json.userData !== undefined ) material.userData = json.userData;\n\n\t\tif ( json.vertexColors !== undefined ) {\n\n\t\t\tif ( typeof json.vertexColors === 'number' ) {\n\n\t\t\t\tmaterial.vertexColors = ( json.vertexColors > 0 ) ? true : false;\n\n\t\t\t} else {\n\n\t\t\t\tmaterial.vertexColors = json.vertexColors;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Shader Material\n\n\t\tif ( json.uniforms !== undefined ) {\n\n\t\t\tfor ( const name in json.uniforms ) {\n\n\t\t\t\tconst uniform = json.uniforms[ name ];\n\n\t\t\t\tmaterial.uniforms[ name ] = {};\n\n\t\t\t\tswitch ( uniform.type ) {\n\n\t\t\t\t\tcase 't':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = getTexture( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'c':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Color().setHex( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v2':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector2().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v3':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector3().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v4':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector4().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'm3':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Matrix3().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'm4':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Matrix4().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = uniform.value;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json.defines !== undefined ) material.defines = json.defines;\n\t\tif ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader;\n\t\tif ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader;\n\n\t\tif ( json.extensions !== undefined ) {\n\n\t\t\tfor ( const key in json.extensions ) {\n\n\t\t\t\tmaterial.extensions[ key ] = json.extensions[ key ];\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Deprecated\n\n\t\tif ( json.shading !== undefined ) material.flatShading = json.shading === 1; // THREE.FlatShading\n\n\t\t// for PointsMaterial\n\n\t\tif ( json.size !== undefined ) material.size = json.size;\n\t\tif ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation;\n\n\t\t// maps\n\n\t\tif ( json.map !== undefined ) material.map = getTexture( json.map );\n\t\tif ( json.matcap !== undefined ) material.matcap = getTexture( json.matcap );\n\n\t\tif ( json.alphaMap !== undefined ) material.alphaMap = getTexture( json.alphaMap );\n\n\t\tif ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap );\n\t\tif ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale;\n\n\t\tif ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap );\n\t\tif ( json.normalMapType !== undefined ) material.normalMapType = json.normalMapType;\n\t\tif ( json.normalScale !== undefined ) {\n\n\t\t\tlet normalScale = json.normalScale;\n\n\t\t\tif ( Array.isArray( normalScale ) === false ) {\n\n\t\t\t\t// Blender exporter used to export a scalar. See #7459\n\n\t\t\t\tnormalScale = [ normalScale, normalScale ];\n\n\t\t\t}\n\n\t\t\tmaterial.normalScale = new Vector2().fromArray( normalScale );\n\n\t\t}\n\n\t\tif ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap );\n\t\tif ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale;\n\t\tif ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias;\n\n\t\tif ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap );\n\t\tif ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap );\n\n\t\tif ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap );\n\t\tif ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity;\n\n\t\tif ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap );\n\t\tif ( json.specularIntensityMap !== undefined ) material.specularIntensityMap = getTexture( json.specularIntensityMap );\n\t\tif ( json.specularColorMap !== undefined ) material.specularColorMap = getTexture( json.specularColorMap );\n\n\t\tif ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap );\n\t\tif ( json.envMapIntensity !== undefined ) material.envMapIntensity = json.envMapIntensity;\n\n\t\tif ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity;\n\t\tif ( json.refractionRatio !== undefined ) material.refractionRatio = json.refractionRatio;\n\n\t\tif ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap );\n\t\tif ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity;\n\n\t\tif ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap );\n\t\tif ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity;\n\n\t\tif ( json.gradientMap !== undefined ) material.gradientMap = getTexture( json.gradientMap );\n\n\t\tif ( json.clearcoatMap !== undefined ) material.clearcoatMap = getTexture( json.clearcoatMap );\n\t\tif ( json.clearcoatRoughnessMap !== undefined ) material.clearcoatRoughnessMap = getTexture( json.clearcoatRoughnessMap );\n\t\tif ( json.clearcoatNormalMap !== undefined ) material.clearcoatNormalMap = getTexture( json.clearcoatNormalMap );\n\t\tif ( json.clearcoatNormalScale !== undefined ) material.clearcoatNormalScale = new Vector2().fromArray( json.clearcoatNormalScale );\n\n\t\tif ( json.transmissionMap !== undefined ) material.transmissionMap = getTexture( json.transmissionMap );\n\t\tif ( json.thicknessMap !== undefined ) material.thicknessMap = getTexture( json.thicknessMap );\n\n\t\tif ( json.sheenColorMap !== undefined ) material.sheenColorMap = getTexture( json.sheenColorMap );\n\t\tif ( json.sheenRoughnessMap !== undefined ) material.sheenRoughnessMap = getTexture( json.sheenRoughnessMap );\n\n\t\treturn material;\n\n\t}\n\n\tsetTextures( value ) {\n\n\t\tthis.textures = value;\n\t\treturn this;\n\n\t}\n\n}\n\nclass LoaderUtils {\n\n\tstatic decodeText( array ) {\n\n\t\tif ( typeof TextDecoder !== 'undefined' ) {\n\n\t\t\treturn new TextDecoder().decode( array );\n\n\t\t}\n\n\t\t// Avoid the String.fromCharCode.apply(null, array) shortcut, which\n\t\t// throws a \"maximum call stack size exceeded\" error for large arrays.\n\n\t\tlet s = '';\n\n\t\tfor ( let i = 0, il = array.length; i < il; i ++ ) {\n\n\t\t\t// Implicitly assumes little-endian.\n\t\t\ts += String.fromCharCode( array[ i ] );\n\n\t\t}\n\n\t\ttry {\n\n\t\t\t// merges multi-byte utf-8 characters.\n\n\t\t\treturn decodeURIComponent( escape( s ) );\n\n\t\t} catch ( e ) { // see #16358\n\n\t\t\treturn s;\n\n\t\t}\n\n\t}\n\n\tstatic extractUrlBase( url ) {\n\n\t\tconst index = url.lastIndexOf( '/' );\n\n\t\tif ( index === - 1 ) return './';\n\n\t\treturn url.substr( 0, index + 1 );\n\n\t}\n\n\tstatic resolveURL( url, path ) {\n\n\t\t// Invalid URL\n\t\tif ( typeof url !== 'string' || url === '' ) return '';\n\n\t\t// Host Relative URL\n\t\tif ( /^https?:\\/\\//i.test( path ) && /^\\//.test( url ) ) {\n\n\t\t\tpath = path.replace( /(^https?:\\/\\/[^\\/]+).*/i, '$1' );\n\n\t\t}\n\n\t\t// Absolute URL http://,https://,//\n\t\tif ( /^(https?:)?\\/\\//i.test( url ) ) return url;\n\n\t\t// Data URI\n\t\tif ( /^data:.*,.*$/i.test( url ) ) return url;\n\n\t\t// Blob URL\n\t\tif ( /^blob:.*$/i.test( url ) ) return url;\n\n\t\t// Relative URL\n\t\treturn path + url;\n\n\t}\n\n}\n\nclass InstancedBufferGeometry extends BufferGeometry {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'InstancedBufferGeometry';\n\t\tthis.instanceCount = Infinity;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.instanceCount = source.instanceCount;\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON( this );\n\n\t\tdata.instanceCount = this.instanceCount;\n\n\t\tdata.isInstancedBufferGeometry = true;\n\n\t\treturn data;\n\n\t}\n\n}\n\nInstancedBufferGeometry.prototype.isInstancedBufferGeometry = true;\n\nclass BufferGeometryLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( scope.manager );\n\t\tloader.setPath( scope.path );\n\t\tloader.setRequestHeader( scope.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\tconst interleavedBufferMap = {};\n\t\tconst arrayBufferMap = {};\n\n\t\tfunction getInterleavedBuffer( json, uuid ) {\n\n\t\t\tif ( interleavedBufferMap[ uuid ] !== undefined ) return interleavedBufferMap[ uuid ];\n\n\t\t\tconst interleavedBuffers = json.interleavedBuffers;\n\t\t\tconst interleavedBuffer = interleavedBuffers[ uuid ];\n\n\t\t\tconst buffer = getArrayBuffer( json, interleavedBuffer.buffer );\n\n\t\t\tconst array = getTypedArray( interleavedBuffer.type, buffer );\n\t\t\tconst ib = new InterleavedBuffer( array, interleavedBuffer.stride );\n\t\t\tib.uuid = interleavedBuffer.uuid;\n\n\t\t\tinterleavedBufferMap[ uuid ] = ib;\n\n\t\t\treturn ib;\n\n\t\t}\n\n\t\tfunction getArrayBuffer( json, uuid ) {\n\n\t\t\tif ( arrayBufferMap[ uuid ] !== undefined ) return arrayBufferMap[ uuid ];\n\n\t\t\tconst arrayBuffers = json.arrayBuffers;\n\t\t\tconst arrayBuffer = arrayBuffers[ uuid ];\n\n\t\t\tconst ab = new Uint32Array( arrayBuffer ).buffer;\n\n\t\t\tarrayBufferMap[ uuid ] = ab;\n\n\t\t\treturn ab;\n\n\t\t}\n\n\t\tconst geometry = json.isInstancedBufferGeometry ? new InstancedBufferGeometry() : new BufferGeometry();\n\n\t\tconst index = json.data.index;\n\n\t\tif ( index !== undefined ) {\n\n\t\t\tconst typedArray = getTypedArray( index.type, index.array );\n\t\t\tgeometry.setIndex( new BufferAttribute( typedArray, 1 ) );\n\n\t\t}\n\n\t\tconst attributes = json.data.attributes;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tconst attribute = attributes[ key ];\n\t\t\tlet bufferAttribute;\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\tconst interleavedBuffer = getInterleavedBuffer( json.data, attribute.data );\n\t\t\t\tbufferAttribute = new InterleavedBufferAttribute( interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized );\n\n\t\t\t} else {\n\n\t\t\t\tconst typedArray = getTypedArray( attribute.type, attribute.array );\n\t\t\t\tconst bufferAttributeConstr = attribute.isInstancedBufferAttribute ? InstancedBufferAttribute : BufferAttribute;\n\t\t\t\tbufferAttribute = new bufferAttributeConstr( typedArray, attribute.itemSize, attribute.normalized );\n\n\t\t\t}\n\n\t\t\tif ( attribute.name !== undefined ) bufferAttribute.name = attribute.name;\n\t\t\tif ( attribute.usage !== undefined ) bufferAttribute.setUsage( attribute.usage );\n\n\t\t\tif ( attribute.updateRange !== undefined ) {\n\n\t\t\t\tbufferAttribute.updateRange.offset = attribute.updateRange.offset;\n\t\t\t\tbufferAttribute.updateRange.count = attribute.updateRange.count;\n\n\t\t\t}\n\n\t\t\tgeometry.setAttribute( key, bufferAttribute );\n\n\t\t}\n\n\t\tconst morphAttributes = json.data.morphAttributes;\n\n\t\tif ( morphAttributes ) {\n\n\t\t\tfor ( const key in morphAttributes ) {\n\n\t\t\t\tconst attributeArray = morphAttributes[ key ];\n\n\t\t\t\tconst array = [];\n\n\t\t\t\tfor ( let i = 0, il = attributeArray.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst attribute = attributeArray[ i ];\n\t\t\t\t\tlet bufferAttribute;\n\n\t\t\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\tconst interleavedBuffer = getInterleavedBuffer( json.data, attribute.data );\n\t\t\t\t\t\tbufferAttribute = new InterleavedBufferAttribute( interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst typedArray = getTypedArray( attribute.type, attribute.array );\n\t\t\t\t\t\tbufferAttribute = new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( attribute.name !== undefined ) bufferAttribute.name = attribute.name;\n\t\t\t\t\tarray.push( bufferAttribute );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.morphAttributes[ key ] = array;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst morphTargetsRelative = json.data.morphTargetsRelative;\n\n\t\tif ( morphTargetsRelative ) {\n\n\t\t\tgeometry.morphTargetsRelative = true;\n\n\t\t}\n\n\t\tconst groups = json.data.groups || json.data.drawcalls || json.data.offsets;\n\n\t\tif ( groups !== undefined ) {\n\n\t\t\tfor ( let i = 0, n = groups.length; i !== n; ++ i ) {\n\n\t\t\t\tconst group = groups[ i ];\n\n\t\t\t\tgeometry.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst boundingSphere = json.data.boundingSphere;\n\n\t\tif ( boundingSphere !== undefined ) {\n\n\t\t\tconst center = new Vector3();\n\n\t\t\tif ( boundingSphere.center !== undefined ) {\n\n\t\t\t\tcenter.fromArray( boundingSphere.center );\n\n\t\t\t}\n\n\t\t\tgeometry.boundingSphere = new Sphere( center, boundingSphere.radius );\n\n\t\t}\n\n\t\tif ( json.name ) geometry.name = json.name;\n\t\tif ( json.userData ) geometry.userData = json.userData;\n\n\t\treturn geometry;\n\n\t}\n\n}\n\nclass ObjectLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path;\n\t\tthis.resourcePath = this.resourcePath || path;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\tlet json = null;\n\n\t\t\ttry {\n\n\t\t\t\tjson = JSON.parse( text );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tif ( onError !== undefined ) onError( error );\n\n\t\t\t\tconsole.error( 'THREE:ObjectLoader: Can\\'t parse ' + url + '.', error.message );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tconst metadata = json.metadata;\n\n\t\t\tif ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) {\n\n\t\t\t\tconsole.error( 'THREE.ObjectLoader: Can\\'t load ' + url );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tscope.parse( json, onLoad );\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tasync loadAsync( url, onProgress ) {\n\n\t\tconst scope = this;\n\n\t\tconst path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path;\n\t\tthis.resourcePath = this.resourcePath || path;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\n\t\tconst text = await loader.loadAsync( url, onProgress );\n\n\t\tconst json = JSON.parse( text );\n\n\t\tconst metadata = json.metadata;\n\n\t\tif ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) {\n\n\t\t\tthrow new Error( 'THREE.ObjectLoader: Can\\'t load ' + url );\n\n\t\t}\n\n\t\treturn await scope.parseAsync( json );\n\n\t}\n\n\tparse( json, onLoad ) {\n\n\t\tconst animations = this.parseAnimations( json.animations );\n\t\tconst shapes = this.parseShapes( json.shapes );\n\t\tconst geometries = this.parseGeometries( json.geometries, shapes );\n\n\t\tconst images = this.parseImages( json.images, function () {\n\n\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t} );\n\n\t\tconst textures = this.parseTextures( json.textures, images );\n\t\tconst materials = this.parseMaterials( json.materials, textures );\n\n\t\tconst object = this.parseObject( json.object, geometries, materials, textures, animations );\n\t\tconst skeletons = this.parseSkeletons( json.skeletons, object );\n\n\t\tthis.bindSkeletons( object, skeletons );\n\n\t\t//\n\n\t\tif ( onLoad !== undefined ) {\n\n\t\t\tlet hasImages = false;\n\n\t\t\tfor ( const uuid in images ) {\n\n\t\t\t\tif ( images[ uuid ] instanceof HTMLImageElement ) {\n\n\t\t\t\t\thasImages = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( hasImages === false ) onLoad( object );\n\n\t\t}\n\n\t\treturn object;\n\n\t}\n\n\tasync parseAsync( json ) {\n\n\t\tconst animations = this.parseAnimations( json.animations );\n\t\tconst shapes = this.parseShapes( json.shapes );\n\t\tconst geometries = this.parseGeometries( json.geometries, shapes );\n\n\t\tconst images = await this.parseImagesAsync( json.images );\n\n\t\tconst textures = this.parseTextures( json.textures, images );\n\t\tconst materials = this.parseMaterials( json.materials, textures );\n\n\t\tconst object = this.parseObject( json.object, geometries, materials, textures, animations );\n\t\tconst skeletons = this.parseSkeletons( json.skeletons, object );\n\n\t\tthis.bindSkeletons( object, skeletons );\n\n\t\treturn object;\n\n\t}\n\n\tparseShapes( json ) {\n\n\t\tconst shapes = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst shape = new Shape().fromJSON( json[ i ] );\n\n\t\t\t\tshapes[ shape.uuid ] = shape;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn shapes;\n\n\t}\n\n\tparseSkeletons( json, object ) {\n\n\t\tconst skeletons = {};\n\t\tconst bones = {};\n\n\t\t// generate bone lookup table\n\n\t\tobject.traverse( function ( child ) {\n\n\t\t\tif ( child.isBone ) bones[ child.uuid ] = child;\n\n\t\t} );\n\n\t\t// create skeletons\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst skeleton = new Skeleton().fromJSON( json[ i ], bones );\n\n\t\t\t\tskeletons[ skeleton.uuid ] = skeleton;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn skeletons;\n\n\t}\n\n\tparseGeometries( json, shapes ) {\n\n\t\tconst geometries = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tconst bufferGeometryLoader = new BufferGeometryLoader();\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tlet geometry;\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\tcase 'BufferGeometry':\n\t\t\t\t\tcase 'InstancedBufferGeometry':\n\n\t\t\t\t\t\tgeometry = bufferGeometryLoader.parse( data );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Geometry':\n\n\t\t\t\t\t\tconsole.error( 'THREE.ObjectLoader: The legacy Geometry type is no longer supported.' );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tif ( data.type in Geometries ) {\n\n\t\t\t\t\t\t\tgeometry = Geometries[ data.type ].fromJSON( data, shapes );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tconsole.warn( `THREE.ObjectLoader: Unsupported geometry type \"${ data.type }\"` );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) geometry.name = data.name;\n\t\t\t\tif ( geometry.isBufferGeometry === true && data.userData !== undefined ) geometry.userData = data.userData;\n\n\t\t\t\tgeometries[ data.uuid ] = geometry;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn geometries;\n\n\t}\n\n\tparseMaterials( json, textures ) {\n\n\t\tconst cache = {}; // MultiMaterial\n\t\tconst materials = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tconst loader = new MaterialLoader();\n\t\t\tloader.setTextures( textures );\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tif ( data.type === 'MultiMaterial' ) {\n\n\t\t\t\t\t// Deprecated\n\n\t\t\t\t\tconst array = [];\n\n\t\t\t\t\tfor ( let j = 0; j < data.materials.length; j ++ ) {\n\n\t\t\t\t\t\tconst material = data.materials[ j ];\n\n\t\t\t\t\t\tif ( cache[ material.uuid ] === undefined ) {\n\n\t\t\t\t\t\t\tcache[ material.uuid ] = loader.parse( material );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tarray.push( cache[ material.uuid ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tmaterials[ data.uuid ] = array;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( cache[ data.uuid ] === undefined ) {\n\n\t\t\t\t\t\tcache[ data.uuid ] = loader.parse( data );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tmaterials[ data.uuid ] = cache[ data.uuid ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn materials;\n\n\t}\n\n\tparseAnimations( json ) {\n\n\t\tconst animations = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0; i < json.length; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tconst clip = AnimationClip.parse( data );\n\n\t\t\t\tanimations[ clip.uuid ] = clip;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn animations;\n\n\t}\n\n\tparseImages( json, onLoad ) {\n\n\t\tconst scope = this;\n\t\tconst images = {};\n\n\t\tlet loader;\n\n\t\tfunction loadImage( url ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn loader.load( url, function () {\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, undefined, function () {\n\n\t\t\t\tscope.manager.itemError( url );\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t} );\n\n\t\t}\n\n\t\tfunction deserializeImage( image ) {\n\n\t\t\tif ( typeof image === 'string' ) {\n\n\t\t\t\tconst url = image;\n\n\t\t\t\tconst path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( url ) ? url : scope.resourcePath + url;\n\n\t\t\t\treturn loadImage( path );\n\n\t\t\t} else {\n\n\t\t\t\tif ( image.data ) {\n\n\t\t\t\t\treturn {\n\t\t\t\t\t\tdata: getTypedArray( image.type, image.data ),\n\t\t\t\t\t\twidth: image.width,\n\t\t\t\t\t\theight: image.height\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\tconst manager = new LoadingManager( onLoad );\n\n\t\t\tloader = new ImageLoader( manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tfor ( let i = 0, il = json.length; i < il; i ++ ) {\n\n\t\t\t\tconst image = json[ i ];\n\t\t\t\tconst url = image.url;\n\n\t\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\t\t// load array of images e.g CubeTexture\n\n\t\t\t\t\timages[ image.uuid ] = [];\n\n\t\t\t\t\tfor ( let j = 0, jl = url.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tconst currentUrl = url[ j ];\n\n\t\t\t\t\t\tconst deserializedImage = deserializeImage( currentUrl );\n\n\t\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\t\tif ( deserializedImage instanceof HTMLImageElement ) {\n\n\t\t\t\t\t\t\t\timages[ image.uuid ].push( deserializedImage );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// special case: handle array of data textures for cube textures\n\n\t\t\t\t\t\t\t\timages[ image.uuid ].push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// load single image\n\n\t\t\t\t\tconst deserializedImage = deserializeImage( image.url );\n\n\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\timages[ image.uuid ] = deserializedImage;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn images;\n\n\t}\n\n\tasync parseImagesAsync( json ) {\n\n\t\tconst scope = this;\n\t\tconst images = {};\n\n\t\tlet loader;\n\n\t\tasync function deserializeImage( image ) {\n\n\t\t\tif ( typeof image === 'string' ) {\n\n\t\t\t\tconst url = image;\n\n\t\t\t\tconst path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( url ) ? url : scope.resourcePath + url;\n\n\t\t\t\treturn await loader.loadAsync( path );\n\n\t\t\t} else {\n\n\t\t\t\tif ( image.data ) {\n\n\t\t\t\t\treturn {\n\t\t\t\t\t\tdata: getTypedArray( image.type, image.data ),\n\t\t\t\t\t\twidth: image.width,\n\t\t\t\t\t\theight: image.height\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\tloader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tfor ( let i = 0, il = json.length; i < il; i ++ ) {\n\n\t\t\t\tconst image = json[ i ];\n\t\t\t\tconst url = image.url;\n\n\t\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\t\t// load array of images e.g CubeTexture\n\n\t\t\t\t\timages[ image.uuid ] = [];\n\n\t\t\t\t\tfor ( let j = 0, jl = url.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tconst currentUrl = url[ j ];\n\n\t\t\t\t\t\tconst deserializedImage = await deserializeImage( currentUrl );\n\n\t\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\t\tif ( deserializedImage instanceof HTMLImageElement ) {\n\n\t\t\t\t\t\t\t\timages[ image.uuid ].push( deserializedImage );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// special case: handle array of data textures for cube textures\n\n\t\t\t\t\t\t\t\timages[ image.uuid ].push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// load single image\n\n\t\t\t\t\tconst deserializedImage = await deserializeImage( image.url );\n\n\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\timages[ image.uuid ] = deserializedImage;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn images;\n\n\t}\n\n\tparseTextures( json, images ) {\n\n\t\tfunction parseConstant( value, type ) {\n\n\t\t\tif ( typeof value === 'number' ) return value;\n\n\t\t\tconsole.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value );\n\n\t\t\treturn type[ value ];\n\n\t\t}\n\n\t\tconst textures = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tif ( data.image === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: No \"image\" specified for', data.uuid );\n\n\t\t\t\t}\n\n\t\t\t\tif ( images[ data.image ] === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined image', data.image );\n\n\t\t\t\t}\n\n\t\t\t\tlet texture;\n\t\t\t\tconst image = images[ data.image ];\n\n\t\t\t\tif ( Array.isArray( image ) ) {\n\n\t\t\t\t\ttexture = new CubeTexture( image );\n\n\t\t\t\t\tif ( image.length === 6 ) texture.needsUpdate = true;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( image && image.data ) {\n\n\t\t\t\t\t\ttexture = new DataTexture( image.data, image.width, image.height );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttexture = new Texture( image );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( image ) texture.needsUpdate = true; // textures can have undefined image data\n\n\t\t\t\t}\n\n\t\t\t\ttexture.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) texture.name = data.name;\n\n\t\t\t\tif ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TEXTURE_MAPPING );\n\n\t\t\t\tif ( data.offset !== undefined ) texture.offset.fromArray( data.offset );\n\t\t\t\tif ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat );\n\t\t\t\tif ( data.center !== undefined ) texture.center.fromArray( data.center );\n\t\t\t\tif ( data.rotation !== undefined ) texture.rotation = data.rotation;\n\n\t\t\t\tif ( data.wrap !== undefined ) {\n\n\t\t\t\t\ttexture.wrapS = parseConstant( data.wrap[ 0 ], TEXTURE_WRAPPING );\n\t\t\t\t\ttexture.wrapT = parseConstant( data.wrap[ 1 ], TEXTURE_WRAPPING );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.format !== undefined ) texture.format = data.format;\n\t\t\t\tif ( data.type !== undefined ) texture.type = data.type;\n\t\t\t\tif ( data.encoding !== undefined ) texture.encoding = data.encoding;\n\n\t\t\t\tif ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TEXTURE_FILTER );\n\t\t\t\tif ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TEXTURE_FILTER );\n\t\t\t\tif ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy;\n\n\t\t\t\tif ( data.flipY !== undefined ) texture.flipY = data.flipY;\n\n\t\t\t\tif ( data.premultiplyAlpha !== undefined ) texture.premultiplyAlpha = data.premultiplyAlpha;\n\t\t\t\tif ( data.unpackAlignment !== undefined ) texture.unpackAlignment = data.unpackAlignment;\n\n\t\t\t\tif ( data.userData !== undefined ) texture.userData = data.userData;\n\n\t\t\t\ttextures[ data.uuid ] = texture;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn textures;\n\n\t}\n\n\tparseObject( data, geometries, materials, textures, animations ) {\n\n\t\tlet object;\n\n\t\tfunction getGeometry( name ) {\n\n\t\t\tif ( geometries[ name ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined geometry', name );\n\n\t\t\t}\n\n\t\t\treturn geometries[ name ];\n\n\t\t}\n\n\t\tfunction getMaterial( name ) {\n\n\t\t\tif ( name === undefined ) return undefined;\n\n\t\t\tif ( Array.isArray( name ) ) {\n\n\t\t\t\tconst array = [];\n\n\t\t\t\tfor ( let i = 0, l = name.length; i < l; i ++ ) {\n\n\t\t\t\t\tconst uuid = name[ i ];\n\n\t\t\t\t\tif ( materials[ uuid ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined material', uuid );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tarray.push( materials[ uuid ] );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t}\n\n\t\t\tif ( materials[ name ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined material', name );\n\n\t\t\t}\n\n\t\t\treturn materials[ name ];\n\n\t\t}\n\n\t\tfunction getTexture( uuid ) {\n\n\t\t\tif ( textures[ uuid ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined texture', uuid );\n\n\t\t\t}\n\n\t\t\treturn textures[ uuid ];\n\n\t\t}\n\n\t\tlet geometry, material;\n\n\t\tswitch ( data.type ) {\n\n\t\t\tcase 'Scene':\n\n\t\t\t\tobject = new Scene();\n\n\t\t\t\tif ( data.background !== undefined ) {\n\n\t\t\t\t\tif ( Number.isInteger( data.background ) ) {\n\n\t\t\t\t\t\tobject.background = new Color( data.background );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tobject.background = getTexture( data.background );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.environment !== undefined ) {\n\n\t\t\t\t\tobject.environment = getTexture( data.environment );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.fog !== undefined ) {\n\n\t\t\t\t\tif ( data.fog.type === 'Fog' ) {\n\n\t\t\t\t\t\tobject.fog = new Fog( data.fog.color, data.fog.near, data.fog.far );\n\n\t\t\t\t\t} else if ( data.fog.type === 'FogExp2' ) {\n\n\t\t\t\t\t\tobject.fog = new FogExp2( data.fog.color, data.fog.density );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PerspectiveCamera':\n\n\t\t\t\tobject = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far );\n\n\t\t\t\tif ( data.focus !== undefined ) object.focus = data.focus;\n\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\tif ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge;\n\t\t\t\tif ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset;\n\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'OrthographicCamera':\n\n\t\t\t\tobject = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far );\n\n\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'AmbientLight':\n\n\t\t\t\tobject = new AmbientLight( data.color, data.intensity );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'DirectionalLight':\n\n\t\t\t\tobject = new DirectionalLight( data.color, data.intensity );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PointLight':\n\n\t\t\t\tobject = new PointLight( data.color, data.intensity, data.distance, data.decay );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'RectAreaLight':\n\n\t\t\t\tobject = new RectAreaLight( data.color, data.intensity, data.width, data.height );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'SpotLight':\n\n\t\t\t\tobject = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'HemisphereLight':\n\n\t\t\t\tobject = new HemisphereLight( data.color, data.groundColor, data.intensity );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LightProbe':\n\n\t\t\t\tobject = new LightProbe().fromJSON( data );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'SkinnedMesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t \tmaterial = getMaterial( data.material );\n\n\t\t\t\tobject = new SkinnedMesh( geometry, material );\n\n\t\t\t\tif ( data.bindMode !== undefined ) object.bindMode = data.bindMode;\n\t\t\t\tif ( data.bindMatrix !== undefined ) object.bindMatrix.fromArray( data.bindMatrix );\n\t\t\t\tif ( data.skeleton !== undefined ) object.skeleton = data.skeleton;\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Mesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t\tmaterial = getMaterial( data.material );\n\n\t\t\t\tobject = new Mesh( geometry, material );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'InstancedMesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t\tmaterial = getMaterial( data.material );\n\t\t\t\tconst count = data.count;\n\t\t\t\tconst instanceMatrix = data.instanceMatrix;\n\t\t\t\tconst instanceColor = data.instanceColor;\n\n\t\t\t\tobject = new InstancedMesh( geometry, material, count );\n\t\t\t\tobject.instanceMatrix = new InstancedBufferAttribute( new Float32Array( instanceMatrix.array ), 16 );\n\t\t\t\tif ( instanceColor !== undefined ) object.instanceColor = new InstancedBufferAttribute( new Float32Array( instanceColor.array ), instanceColor.itemSize );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LOD':\n\n\t\t\t\tobject = new LOD();\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Line':\n\n\t\t\t\tobject = new Line( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LineLoop':\n\n\t\t\t\tobject = new LineLoop( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LineSegments':\n\n\t\t\t\tobject = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PointCloud':\n\t\t\tcase 'Points':\n\n\t\t\t\tobject = new Points( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Sprite':\n\n\t\t\t\tobject = new Sprite( getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Group':\n\n\t\t\t\tobject = new Group();\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Bone':\n\n\t\t\t\tobject = new Bone();\n\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\n\t\t\t\tobject = new Object3D();\n\n\t\t}\n\n\t\tobject.uuid = data.uuid;\n\n\t\tif ( data.name !== undefined ) object.name = data.name;\n\n\t\tif ( data.matrix !== undefined ) {\n\n\t\t\tobject.matrix.fromArray( data.matrix );\n\n\t\t\tif ( data.matrixAutoUpdate !== undefined ) object.matrixAutoUpdate = data.matrixAutoUpdate;\n\t\t\tif ( object.matrixAutoUpdate ) object.matrix.decompose( object.position, object.quaternion, object.scale );\n\n\t\t} else {\n\n\t\t\tif ( data.position !== undefined ) object.position.fromArray( data.position );\n\t\t\tif ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation );\n\t\t\tif ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion );\n\t\t\tif ( data.scale !== undefined ) object.scale.fromArray( data.scale );\n\n\t\t}\n\n\t\tif ( data.castShadow !== undefined ) object.castShadow = data.castShadow;\n\t\tif ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow;\n\n\t\tif ( data.shadow ) {\n\n\t\t\tif ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias;\n\t\t\tif ( data.shadow.normalBias !== undefined ) object.shadow.normalBias = data.shadow.normalBias;\n\t\t\tif ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius;\n\t\t\tif ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize );\n\t\t\tif ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera );\n\n\t\t}\n\n\t\tif ( data.visible !== undefined ) object.visible = data.visible;\n\t\tif ( data.frustumCulled !== undefined ) object.frustumCulled = data.frustumCulled;\n\t\tif ( data.renderOrder !== undefined ) object.renderOrder = data.renderOrder;\n\t\tif ( data.userData !== undefined ) object.userData = data.userData;\n\t\tif ( data.layers !== undefined ) object.layers.mask = data.layers;\n\n\t\tif ( data.children !== undefined ) {\n\n\t\t\tconst children = data.children;\n\n\t\t\tfor ( let i = 0; i < children.length; i ++ ) {\n\n\t\t\t\tobject.add( this.parseObject( children[ i ], geometries, materials, textures, animations ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( data.animations !== undefined ) {\n\n\t\t\tconst objectAnimations = data.animations;\n\n\t\t\tfor ( let i = 0; i < objectAnimations.length; i ++ ) {\n\n\t\t\t\tconst uuid = objectAnimations[ i ];\n\n\t\t\t\tobject.animations.push( animations[ uuid ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( data.type === 'LOD' ) {\n\n\t\t\tif ( data.autoUpdate !== undefined ) object.autoUpdate = data.autoUpdate;\n\n\t\t\tconst levels = data.levels;\n\n\t\t\tfor ( let l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\tconst level = levels[ l ];\n\t\t\t\tconst child = object.getObjectByProperty( 'uuid', level.object );\n\n\t\t\t\tif ( child !== undefined ) {\n\n\t\t\t\t\tobject.addLevel( child, level.distance );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn object;\n\n\t}\n\n\tbindSkeletons( object, skeletons ) {\n\n\t\tif ( Object.keys( skeletons ).length === 0 ) return;\n\n\t\tobject.traverse( function ( child ) {\n\n\t\t\tif ( child.isSkinnedMesh === true && child.skeleton !== undefined ) {\n\n\t\t\t\tconst skeleton = skeletons[ child.skeleton ];\n\n\t\t\t\tif ( skeleton === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: No skeleton found with UUID:', child.skeleton );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tchild.bind( skeleton, child.bindMatrix );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} );\n\n\t}\n\n\t/* DEPRECATED */\n\n\tsetTexturePath( value ) {\n\n\t\tconsole.warn( 'THREE.ObjectLoader: .setTexturePath() has been renamed to .setResourcePath().' );\n\t\treturn this.setResourcePath( value );\n\n\t}\n\n}\n\nconst TEXTURE_MAPPING = {\n\tUVMapping: UVMapping,\n\tCubeReflectionMapping: CubeReflectionMapping,\n\tCubeRefractionMapping: CubeRefractionMapping,\n\tEquirectangularReflectionMapping: EquirectangularReflectionMapping,\n\tEquirectangularRefractionMapping: EquirectangularRefractionMapping,\n\tCubeUVReflectionMapping: CubeUVReflectionMapping,\n\tCubeUVRefractionMapping: CubeUVRefractionMapping\n};\n\nconst TEXTURE_WRAPPING = {\n\tRepeatWrapping: RepeatWrapping,\n\tClampToEdgeWrapping: ClampToEdgeWrapping,\n\tMirroredRepeatWrapping: MirroredRepeatWrapping\n};\n\nconst TEXTURE_FILTER = {\n\tNearestFilter: NearestFilter,\n\tNearestMipmapNearestFilter: NearestMipmapNearestFilter,\n\tNearestMipmapLinearFilter: NearestMipmapLinearFilter,\n\tLinearFilter: LinearFilter,\n\tLinearMipmapNearestFilter: LinearMipmapNearestFilter,\n\tLinearMipmapLinearFilter: LinearMipmapLinearFilter\n};\n\nclass ImageBitmapLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t\tif ( typeof createImageBitmap === 'undefined' ) {\n\n\t\t\tconsole.warn( 'THREE.ImageBitmapLoader: createImageBitmap() not supported.' );\n\n\t\t}\n\n\t\tif ( typeof fetch === 'undefined' ) {\n\n\t\t\tconsole.warn( 'THREE.ImageBitmapLoader: fetch() not supported.' );\n\n\t\t}\n\n\t\tthis.options = { premultiplyAlpha: 'none' };\n\n\t}\n\n\tsetOptions( options ) {\n\n\t\tthis.options = options;\n\n\t\treturn this;\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( url === undefined ) url = '';\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst scope = this;\n\n\t\tconst cached = Cache.get( url );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\tsetTimeout( function () {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\tconst fetchOptions = {};\n\t\tfetchOptions.credentials = ( this.crossOrigin === 'anonymous' ) ? 'same-origin' : 'include';\n\t\tfetchOptions.headers = this.requestHeader;\n\n\t\tfetch( url, fetchOptions ).then( function ( res ) {\n\n\t\t\treturn res.blob();\n\n\t\t} ).then( function ( blob ) {\n\n\t\t\treturn createImageBitmap( blob, Object.assign( scope.options, { colorSpaceConversion: 'none' } ) );\n\n\t\t} ).then( function ( imageBitmap ) {\n\n\t\t\tCache.add( url, imageBitmap );\n\n\t\t\tif ( onLoad ) onLoad( imageBitmap );\n\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t} ).catch( function ( e ) {\n\n\t\t\tif ( onError ) onError( e );\n\n\t\t\tscope.manager.itemError( url );\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t} );\n\n\t\tscope.manager.itemStart( url );\n\n\t}\n\n}\n\nImageBitmapLoader.prototype.isImageBitmapLoader = true;\n\nlet _context;\n\nconst AudioContext = {\n\n\tgetContext: function () {\n\n\t\tif ( _context === undefined ) {\n\n\t\t\t_context = new ( window.AudioContext || window.webkitAudioContext )();\n\n\t\t}\n\n\t\treturn _context;\n\n\t},\n\n\tsetContext: function ( value ) {\n\n\t\t_context = value;\n\n\t}\n\n};\n\nclass AudioLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( buffer ) {\n\n\t\t\ttry {\n\n\t\t\t\t// Create a copy of the buffer. The `decodeAudioData` method\n\t\t\t\t// detaches the buffer when complete, preventing reuse.\n\t\t\t\tconst bufferCopy = buffer.slice( 0 );\n\n\t\t\t\tconst context = AudioContext.getContext();\n\t\t\t\tcontext.decodeAudioData( bufferCopy, function ( audioBuffer ) {\n\n\t\t\t\t\tonLoad( audioBuffer );\n\n\t\t\t\t} );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n}\n\nclass HemisphereLightProbe extends LightProbe {\n\n\tconstructor( skyColor, groundColor, intensity = 1 ) {\n\n\t\tsuper( undefined, intensity );\n\n\t\tconst color1 = new Color().set( skyColor );\n\t\tconst color2 = new Color().set( groundColor );\n\n\t\tconst sky = new Vector3( color1.r, color1.g, color1.b );\n\t\tconst ground = new Vector3( color2.r, color2.g, color2.b );\n\n\t\t// without extra factor of PI in the shader, should = 1 / Math.sqrt( Math.PI );\n\t\tconst c0 = Math.sqrt( Math.PI );\n\t\tconst c1 = c0 * Math.sqrt( 0.75 );\n\n\t\tthis.sh.coefficients[ 0 ].copy( sky ).add( ground ).multiplyScalar( c0 );\n\t\tthis.sh.coefficients[ 1 ].copy( sky ).sub( ground ).multiplyScalar( c1 );\n\n\t}\n\n}\n\nHemisphereLightProbe.prototype.isHemisphereLightProbe = true;\n\nclass AmbientLightProbe extends LightProbe {\n\n\tconstructor( color, intensity = 1 ) {\n\n\t\tsuper( undefined, intensity );\n\n\t\tconst color1 = new Color().set( color );\n\n\t\t// without extra factor of PI in the shader, would be 2 / Math.sqrt( Math.PI );\n\t\tthis.sh.coefficients[ 0 ].set( color1.r, color1.g, color1.b ).multiplyScalar( 2 * Math.sqrt( Math.PI ) );\n\n\t}\n\n}\n\nAmbientLightProbe.prototype.isAmbientLightProbe = true;\n\nconst _eyeRight = /*@__PURE__*/ new Matrix4();\nconst _eyeLeft = /*@__PURE__*/ new Matrix4();\nconst _projectionMatrix = /*@__PURE__*/ new Matrix4();\n\nclass StereoCamera {\n\n\tconstructor() {\n\n\t\tthis.type = 'StereoCamera';\n\n\t\tthis.aspect = 1;\n\n\t\tthis.eyeSep = 0.064;\n\n\t\tthis.cameraL = new PerspectiveCamera();\n\t\tthis.cameraL.layers.enable( 1 );\n\t\tthis.cameraL.matrixAutoUpdate = false;\n\n\t\tthis.cameraR = new PerspectiveCamera();\n\t\tthis.cameraR.layers.enable( 2 );\n\t\tthis.cameraR.matrixAutoUpdate = false;\n\n\t\tthis._cache = {\n\t\t\tfocus: null,\n\t\t\tfov: null,\n\t\t\taspect: null,\n\t\t\tnear: null,\n\t\t\tfar: null,\n\t\t\tzoom: null,\n\t\t\teyeSep: null\n\t\t};\n\n\t}\n\n\tupdate( camera ) {\n\n\t\tconst cache = this._cache;\n\n\t\tconst needsUpdate = cache.focus !== camera.focus || cache.fov !== camera.fov ||\n\t\t\tcache.aspect !== camera.aspect * this.aspect || cache.near !== camera.near ||\n\t\t\tcache.far !== camera.far || cache.zoom !== camera.zoom || cache.eyeSep !== this.eyeSep;\n\n\t\tif ( needsUpdate ) {\n\n\t\t\tcache.focus = camera.focus;\n\t\t\tcache.fov = camera.fov;\n\t\t\tcache.aspect = camera.aspect * this.aspect;\n\t\t\tcache.near = camera.near;\n\t\t\tcache.far = camera.far;\n\t\t\tcache.zoom = camera.zoom;\n\t\t\tcache.eyeSep = this.eyeSep;\n\n\t\t\t// Off-axis stereoscopic effect based on\n\t\t\t// http://paulbourke.net/stereographics/stereorender/\n\n\t\t\t_projectionMatrix.copy( camera.projectionMatrix );\n\t\t\tconst eyeSepHalf = cache.eyeSep / 2;\n\t\t\tconst eyeSepOnProjection = eyeSepHalf * cache.near / cache.focus;\n\t\t\tconst ymax = ( cache.near * Math.tan( DEG2RAD * cache.fov * 0.5 ) ) / cache.zoom;\n\t\t\tlet xmin, xmax;\n\n\t\t\t// translate xOffset\n\n\t\t\t_eyeLeft.elements[ 12 ] = - eyeSepHalf;\n\t\t\t_eyeRight.elements[ 12 ] = eyeSepHalf;\n\n\t\t\t// for left eye\n\n\t\t\txmin = - ymax * cache.aspect + eyeSepOnProjection;\n\t\t\txmax = ymax * cache.aspect + eyeSepOnProjection;\n\n\t\t\t_projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin );\n\t\t\t_projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\tthis.cameraL.projectionMatrix.copy( _projectionMatrix );\n\n\t\t\t// for right eye\n\n\t\t\txmin = - ymax * cache.aspect - eyeSepOnProjection;\n\t\t\txmax = ymax * cache.aspect - eyeSepOnProjection;\n\n\t\t\t_projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin );\n\t\t\t_projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\tthis.cameraR.projectionMatrix.copy( _projectionMatrix );\n\n\t\t}\n\n\t\tthis.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeLeft );\n\t\tthis.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeRight );\n\n\t}\n\n}\n\nclass Clock {\n\n\tconstructor( autoStart = true ) {\n\n\t\tthis.autoStart = autoStart;\n\n\t\tthis.startTime = 0;\n\t\tthis.oldTime = 0;\n\t\tthis.elapsedTime = 0;\n\n\t\tthis.running = false;\n\n\t}\n\n\tstart() {\n\n\t\tthis.startTime = now();\n\n\t\tthis.oldTime = this.startTime;\n\t\tthis.elapsedTime = 0;\n\t\tthis.running = true;\n\n\t}\n\n\tstop() {\n\n\t\tthis.getElapsedTime();\n\t\tthis.running = false;\n\t\tthis.autoStart = false;\n\n\t}\n\n\tgetElapsedTime() {\n\n\t\tthis.getDelta();\n\t\treturn this.elapsedTime;\n\n\t}\n\n\tgetDelta() {\n\n\t\tlet diff = 0;\n\n\t\tif ( this.autoStart && ! this.running ) {\n\n\t\t\tthis.start();\n\t\t\treturn 0;\n\n\t\t}\n\n\t\tif ( this.running ) {\n\n\t\t\tconst newTime = now();\n\n\t\t\tdiff = ( newTime - this.oldTime ) / 1000;\n\t\t\tthis.oldTime = newTime;\n\n\t\t\tthis.elapsedTime += diff;\n\n\t\t}\n\n\t\treturn diff;\n\n\t}\n\n}\n\nfunction now() {\n\n\treturn ( typeof performance === 'undefined' ? Date : performance ).now(); // see #10732\n\n}\n\nconst _position$1 = /*@__PURE__*/ new Vector3();\nconst _quaternion$1 = /*@__PURE__*/ new Quaternion();\nconst _scale$1 = /*@__PURE__*/ new Vector3();\nconst _orientation$1 = /*@__PURE__*/ new Vector3();\n\nclass AudioListener extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'AudioListener';\n\n\t\tthis.context = AudioContext.getContext();\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( this.context.destination );\n\n\t\tthis.filter = null;\n\n\t\tthis.timeDelta = 0;\n\n\t\t// private\n\n\t\tthis._clock = new Clock();\n\n\t}\n\n\tgetInput() {\n\n\t\treturn this.gain;\n\n\t}\n\n\tremoveFilter() {\n\n\t\tif ( this.filter !== null ) {\n\n\t\t\tthis.gain.disconnect( this.filter );\n\t\t\tthis.filter.disconnect( this.context.destination );\n\t\t\tthis.gain.connect( this.context.destination );\n\t\t\tthis.filter = null;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetFilter() {\n\n\t\treturn this.filter;\n\n\t}\n\n\tsetFilter( value ) {\n\n\t\tif ( this.filter !== null ) {\n\n\t\t\tthis.gain.disconnect( this.filter );\n\t\t\tthis.filter.disconnect( this.context.destination );\n\n\t\t} else {\n\n\t\t\tthis.gain.disconnect( this.context.destination );\n\n\t\t}\n\n\t\tthis.filter = value;\n\t\tthis.gain.connect( this.filter );\n\t\tthis.filter.connect( this.context.destination );\n\n\t\treturn this;\n\n\t}\n\n\tgetMasterVolume() {\n\n\t\treturn this.gain.gain.value;\n\n\t}\n\n\tsetMasterVolume( value ) {\n\n\t\tthis.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 );\n\n\t\treturn this;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tconst listener = this.context.listener;\n\t\tconst up = this.up;\n\n\t\tthis.timeDelta = this._clock.getDelta();\n\n\t\tthis.matrixWorld.decompose( _position$1, _quaternion$1, _scale$1 );\n\n\t\t_orientation$1.set( 0, 0, - 1 ).applyQuaternion( _quaternion$1 );\n\n\t\tif ( listener.positionX ) {\n\n\t\t\t// code path for Chrome (see #14393)\n\n\t\t\tconst endTime = this.context.currentTime + this.timeDelta;\n\n\t\t\tlistener.positionX.linearRampToValueAtTime( _position$1.x, endTime );\n\t\t\tlistener.positionY.linearRampToValueAtTime( _position$1.y, endTime );\n\t\t\tlistener.positionZ.linearRampToValueAtTime( _position$1.z, endTime );\n\t\t\tlistener.forwardX.linearRampToValueAtTime( _orientation$1.x, endTime );\n\t\t\tlistener.forwardY.linearRampToValueAtTime( _orientation$1.y, endTime );\n\t\t\tlistener.forwardZ.linearRampToValueAtTime( _orientation$1.z, endTime );\n\t\t\tlistener.upX.linearRampToValueAtTime( up.x, endTime );\n\t\t\tlistener.upY.linearRampToValueAtTime( up.y, endTime );\n\t\t\tlistener.upZ.linearRampToValueAtTime( up.z, endTime );\n\n\t\t} else {\n\n\t\t\tlistener.setPosition( _position$1.x, _position$1.y, _position$1.z );\n\t\t\tlistener.setOrientation( _orientation$1.x, _orientation$1.y, _orientation$1.z, up.x, up.y, up.z );\n\n\t\t}\n\n\t}\n\n}\n\nclass Audio extends Object3D {\n\n\tconstructor( listener ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Audio';\n\n\t\tthis.listener = listener;\n\t\tthis.context = listener.context;\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( listener.getInput() );\n\n\t\tthis.autoplay = false;\n\n\t\tthis.buffer = null;\n\t\tthis.detune = 0;\n\t\tthis.loop = false;\n\t\tthis.loopStart = 0;\n\t\tthis.loopEnd = 0;\n\t\tthis.offset = 0;\n\t\tthis.duration = undefined;\n\t\tthis.playbackRate = 1;\n\t\tthis.isPlaying = false;\n\t\tthis.hasPlaybackControl = true;\n\t\tthis.source = null;\n\t\tthis.sourceType = 'empty';\n\n\t\tthis._startedAt = 0;\n\t\tthis._progress = 0;\n\t\tthis._connected = false;\n\n\t\tthis.filters = [];\n\n\t}\n\n\tgetOutput() {\n\n\t\treturn this.gain;\n\n\t}\n\n\tsetNodeSource( audioNode ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'audioNode';\n\t\tthis.source = audioNode;\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\tsetMediaElementSource( mediaElement ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'mediaNode';\n\t\tthis.source = this.context.createMediaElementSource( mediaElement );\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\tsetMediaStreamSource( mediaStream ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'mediaStreamNode';\n\t\tthis.source = this.context.createMediaStreamSource( mediaStream );\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\tsetBuffer( audioBuffer ) {\n\n\t\tthis.buffer = audioBuffer;\n\t\tthis.sourceType = 'buffer';\n\n\t\tif ( this.autoplay ) this.play();\n\n\t\treturn this;\n\n\t}\n\n\tplay( delay = 0 ) {\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: Audio is already playing.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis._startedAt = this.context.currentTime + delay;\n\n\t\tconst source = this.context.createBufferSource();\n\t\tsource.buffer = this.buffer;\n\t\tsource.loop = this.loop;\n\t\tsource.loopStart = this.loopStart;\n\t\tsource.loopEnd = this.loopEnd;\n\t\tsource.onended = this.onEnded.bind( this );\n\t\tsource.start( this._startedAt, this._progress + this.offset, this.duration );\n\n\t\tthis.isPlaying = true;\n\n\t\tthis.source = source;\n\n\t\tthis.setDetune( this.detune );\n\t\tthis.setPlaybackRate( this.playbackRate );\n\n\t\treturn this.connect();\n\n\t}\n\n\tpause() {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\t// update current progress\n\n\t\t\tthis._progress += Math.max( this.context.currentTime - this._startedAt, 0 ) * this.playbackRate;\n\n\t\t\tif ( this.loop === true ) {\n\n\t\t\t\t// ensure _progress does not exceed duration with looped audios\n\n\t\t\t\tthis._progress = this._progress % ( this.duration || this.buffer.duration );\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.source.onended = null;\n\n\t\t\tthis.isPlaying = false;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tstop() {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis._progress = 0;\n\n\t\tthis.source.stop();\n\t\tthis.source.onended = null;\n\t\tthis.isPlaying = false;\n\n\t\treturn this;\n\n\t}\n\n\tconnect() {\n\n\t\tif ( this.filters.length > 0 ) {\n\n\t\t\tthis.source.connect( this.filters[ 0 ] );\n\n\t\t\tfor ( let i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\tthis.filters[ i - 1 ].connect( this.filters[ i ] );\n\n\t\t\t}\n\n\t\t\tthis.filters[ this.filters.length - 1 ].connect( this.getOutput() );\n\n\t\t} else {\n\n\t\t\tthis.source.connect( this.getOutput() );\n\n\t\t}\n\n\t\tthis._connected = true;\n\n\t\treturn this;\n\n\t}\n\n\tdisconnect() {\n\n\t\tif ( this.filters.length > 0 ) {\n\n\t\t\tthis.source.disconnect( this.filters[ 0 ] );\n\n\t\t\tfor ( let i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\tthis.filters[ i - 1 ].disconnect( this.filters[ i ] );\n\n\t\t\t}\n\n\t\t\tthis.filters[ this.filters.length - 1 ].disconnect( this.getOutput() );\n\n\t\t} else {\n\n\t\t\tthis.source.disconnect( this.getOutput() );\n\n\t\t}\n\n\t\tthis._connected = false;\n\n\t\treturn this;\n\n\t}\n\n\tgetFilters() {\n\n\t\treturn this.filters;\n\n\t}\n\n\tsetFilters( value ) {\n\n\t\tif ( ! value ) value = [];\n\n\t\tif ( this._connected === true ) {\n\n\t\t\tthis.disconnect();\n\t\t\tthis.filters = value.slice();\n\t\t\tthis.connect();\n\n\t\t} else {\n\n\t\t\tthis.filters = value.slice();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetDetune( value ) {\n\n\t\tthis.detune = value;\n\n\t\tif ( this.source.detune === undefined ) return; // only set detune when available\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tthis.source.detune.setTargetAtTime( this.detune, this.context.currentTime, 0.01 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetDetune() {\n\n\t\treturn this.detune;\n\n\t}\n\n\tgetFilter() {\n\n\t\treturn this.getFilters()[ 0 ];\n\n\t}\n\n\tsetFilter( filter ) {\n\n\t\treturn this.setFilters( filter ? [ filter ] : [] );\n\n\t}\n\n\tsetPlaybackRate( value ) {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis.playbackRate = value;\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tthis.source.playbackRate.setTargetAtTime( this.playbackRate, this.context.currentTime, 0.01 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetPlaybackRate() {\n\n\t\treturn this.playbackRate;\n\n\t}\n\n\tonEnded() {\n\n\t\tthis.isPlaying = false;\n\n\t}\n\n\tgetLoop() {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn false;\n\n\t\t}\n\n\t\treturn this.loop;\n\n\t}\n\n\tsetLoop( value ) {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis.loop = value;\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tthis.source.loop = this.loop;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetLoopStart( value ) {\n\n\t\tthis.loopStart = value;\n\n\t\treturn this;\n\n\t}\n\n\tsetLoopEnd( value ) {\n\n\t\tthis.loopEnd = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetVolume() {\n\n\t\treturn this.gain.gain.value;\n\n\t}\n\n\tsetVolume( value ) {\n\n\t\tthis.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _position = /*@__PURE__*/ new Vector3();\nconst _quaternion = /*@__PURE__*/ new Quaternion();\nconst _scale = /*@__PURE__*/ new Vector3();\nconst _orientation = /*@__PURE__*/ new Vector3();\n\nclass PositionalAudio extends Audio {\n\n\tconstructor( listener ) {\n\n\t\tsuper( listener );\n\n\t\tthis.panner = this.context.createPanner();\n\t\tthis.panner.panningModel = 'HRTF';\n\t\tthis.panner.connect( this.gain );\n\n\t}\n\n\tgetOutput() {\n\n\t\treturn this.panner;\n\n\t}\n\n\tgetRefDistance() {\n\n\t\treturn this.panner.refDistance;\n\n\t}\n\n\tsetRefDistance( value ) {\n\n\t\tthis.panner.refDistance = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetRolloffFactor() {\n\n\t\treturn this.panner.rolloffFactor;\n\n\t}\n\n\tsetRolloffFactor( value ) {\n\n\t\tthis.panner.rolloffFactor = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetDistanceModel() {\n\n\t\treturn this.panner.distanceModel;\n\n\t}\n\n\tsetDistanceModel( value ) {\n\n\t\tthis.panner.distanceModel = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetMaxDistance() {\n\n\t\treturn this.panner.maxDistance;\n\n\t}\n\n\tsetMaxDistance( value ) {\n\n\t\tthis.panner.maxDistance = value;\n\n\t\treturn this;\n\n\t}\n\n\tsetDirectionalCone( coneInnerAngle, coneOuterAngle, coneOuterGain ) {\n\n\t\tthis.panner.coneInnerAngle = coneInnerAngle;\n\t\tthis.panner.coneOuterAngle = coneOuterAngle;\n\t\tthis.panner.coneOuterGain = coneOuterGain;\n\n\t\treturn this;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tif ( this.hasPlaybackControl === true && this.isPlaying === false ) return;\n\n\t\tthis.matrixWorld.decompose( _position, _quaternion, _scale );\n\n\t\t_orientation.set( 0, 0, 1 ).applyQuaternion( _quaternion );\n\n\t\tconst panner = this.panner;\n\n\t\tif ( panner.positionX ) {\n\n\t\t\t// code path for Chrome and Firefox (see #14393)\n\n\t\t\tconst endTime = this.context.currentTime + this.listener.timeDelta;\n\n\t\t\tpanner.positionX.linearRampToValueAtTime( _position.x, endTime );\n\t\t\tpanner.positionY.linearRampToValueAtTime( _position.y, endTime );\n\t\t\tpanner.positionZ.linearRampToValueAtTime( _position.z, endTime );\n\t\t\tpanner.orientationX.linearRampToValueAtTime( _orientation.x, endTime );\n\t\t\tpanner.orientationY.linearRampToValueAtTime( _orientation.y, endTime );\n\t\t\tpanner.orientationZ.linearRampToValueAtTime( _orientation.z, endTime );\n\n\t\t} else {\n\n\t\t\tpanner.setPosition( _position.x, _position.y, _position.z );\n\t\t\tpanner.setOrientation( _orientation.x, _orientation.y, _orientation.z );\n\n\t\t}\n\n\t}\n\n}\n\nclass AudioAnalyser {\n\n\tconstructor( audio, fftSize = 2048 ) {\n\n\t\tthis.analyser = audio.context.createAnalyser();\n\t\tthis.analyser.fftSize = fftSize;\n\n\t\tthis.data = new Uint8Array( this.analyser.frequencyBinCount );\n\n\t\taudio.getOutput().connect( this.analyser );\n\n\t}\n\n\n\tgetFrequencyData() {\n\n\t\tthis.analyser.getByteFrequencyData( this.data );\n\n\t\treturn this.data;\n\n\t}\n\n\tgetAverageFrequency() {\n\n\t\tlet value = 0;\n\t\tconst data = this.getFrequencyData();\n\n\t\tfor ( let i = 0; i < data.length; i ++ ) {\n\n\t\t\tvalue += data[ i ];\n\n\t\t}\n\n\t\treturn value / data.length;\n\n\t}\n\n}\n\nclass PropertyMixer {\n\n\tconstructor( binding, typeName, valueSize ) {\n\n\t\tthis.binding = binding;\n\t\tthis.valueSize = valueSize;\n\n\t\tlet mixFunction,\n\t\t\tmixFunctionAdditive,\n\t\t\tsetIdentity;\n\n\t\t// buffer layout: [ incoming | accu0 | accu1 | orig | addAccu | (optional work) ]\n\t\t//\n\t\t// interpolators can use .buffer as their .result\n\t\t// the data then goes to 'incoming'\n\t\t//\n\t\t// 'accu0' and 'accu1' are used frame-interleaved for\n\t\t// the cumulative result and are compared to detect\n\t\t// changes\n\t\t//\n\t\t// 'orig' stores the original state of the property\n\t\t//\n\t\t// 'add' is used for additive cumulative results\n\t\t//\n\t\t// 'work' is optional and is only present for quaternion types. It is used\n\t\t// to store intermediate quaternion multiplication results\n\n\t\tswitch ( typeName ) {\n\n\t\t\tcase 'quaternion':\n\t\t\t\tmixFunction = this._slerp;\n\t\t\t\tmixFunctionAdditive = this._slerpAdditive;\n\t\t\t\tsetIdentity = this._setAdditiveIdentityQuaternion;\n\n\t\t\t\tthis.buffer = new Float64Array( valueSize * 6 );\n\t\t\t\tthis._workIndex = 5;\n\t\t\t\tbreak;\n\n\t\t\tcase 'string':\n\t\t\tcase 'bool':\n\t\t\t\tmixFunction = this._select;\n\n\t\t\t\t// Use the regular mix function and for additive on these types,\n\t\t\t\t// additive is not relevant for non-numeric types\n\t\t\t\tmixFunctionAdditive = this._select;\n\n\t\t\t\tsetIdentity = this._setAdditiveIdentityOther;\n\n\t\t\t\tthis.buffer = new Array( valueSize * 5 );\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tmixFunction = this._lerp;\n\t\t\t\tmixFunctionAdditive = this._lerpAdditive;\n\t\t\t\tsetIdentity = this._setAdditiveIdentityNumeric;\n\n\t\t\t\tthis.buffer = new Float64Array( valueSize * 5 );\n\n\t\t}\n\n\t\tthis._mixBufferRegion = mixFunction;\n\t\tthis._mixBufferRegionAdditive = mixFunctionAdditive;\n\t\tthis._setIdentity = setIdentity;\n\t\tthis._origIndex = 3;\n\t\tthis._addIndex = 4;\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t\tthis.useCount = 0;\n\t\tthis.referenceCount = 0;\n\n\t}\n\n\t// accumulate data in the 'incoming' region into 'accu'\n\taccumulate( accuIndex, weight ) {\n\n\t\t// note: happily accumulating nothing when weight = 0, the caller knows\n\t\t// the weight and shouldn't have made the call in the first place\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = accuIndex * stride + stride;\n\n\t\tlet currentWeight = this.cumulativeWeight;\n\n\t\tif ( currentWeight === 0 ) {\n\n\t\t\t// accuN := incoming * weight\n\n\t\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tbuffer[ offset + i ] = buffer[ i ];\n\n\t\t\t}\n\n\t\t\tcurrentWeight = weight;\n\n\t\t} else {\n\n\t\t\t// accuN := accuN + incoming * weight\n\n\t\t\tcurrentWeight += weight;\n\t\t\tconst mix = weight / currentWeight;\n\t\t\tthis._mixBufferRegion( buffer, offset, 0, mix, stride );\n\n\t\t}\n\n\t\tthis.cumulativeWeight = currentWeight;\n\n\t}\n\n\t// accumulate data in the 'incoming' region into 'add'\n\taccumulateAdditive( weight ) {\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = stride * this._addIndex;\n\n\t\tif ( this.cumulativeWeightAdditive === 0 ) {\n\n\t\t\t// add = identity\n\n\t\t\tthis._setIdentity();\n\n\t\t}\n\n\t\t// add := add + incoming * weight\n\n\t\tthis._mixBufferRegionAdditive( buffer, offset, 0, weight, stride );\n\t\tthis.cumulativeWeightAdditive += weight;\n\n\t}\n\n\t// apply the state of 'accu' to the binding when accus differ\n\tapply( accuIndex ) {\n\n\t\tconst stride = this.valueSize,\n\t\t\tbuffer = this.buffer,\n\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\tweight = this.cumulativeWeight,\n\t\t\tweightAdditive = this.cumulativeWeightAdditive,\n\n\t\t\tbinding = this.binding;\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t\tif ( weight < 1 ) {\n\n\t\t\t// accuN := accuN + original * ( 1 - cumulativeWeight )\n\n\t\t\tconst originalValueOffset = stride * this._origIndex;\n\n\t\t\tthis._mixBufferRegion(\n\t\t\t\tbuffer, offset, originalValueOffset, 1 - weight, stride );\n\n\t\t}\n\n\t\tif ( weightAdditive > 0 ) {\n\n\t\t\t// accuN := accuN + additive accuN\n\n\t\t\tthis._mixBufferRegionAdditive( buffer, offset, this._addIndex * stride, 1, stride );\n\n\t\t}\n\n\t\tfor ( let i = stride, e = stride + stride; i !== e; ++ i ) {\n\n\t\t\tif ( buffer[ i ] !== buffer[ i + stride ] ) {\n\n\t\t\t\t// value has changed -> update scene graph\n\n\t\t\t\tbinding.setValue( buffer, offset );\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// remember the state of the bound property and copy it to both accus\n\tsaveOriginalState() {\n\n\t\tconst binding = this.binding;\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\n\t\t\toriginalValueOffset = stride * this._origIndex;\n\n\t\tbinding.getValue( buffer, originalValueOffset );\n\n\t\t// accu[0..1] := orig -- initially detect changes against the original\n\t\tfor ( let i = stride, e = originalValueOffset; i !== e; ++ i ) {\n\n\t\t\tbuffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ];\n\n\t\t}\n\n\t\t// Add to identity for additive\n\t\tthis._setIdentity();\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t}\n\n\t// apply the state previously taken via 'saveOriginalState' to the binding\n\trestoreOriginalState() {\n\n\t\tconst originalValueOffset = this.valueSize * 3;\n\t\tthis.binding.setValue( this.buffer, originalValueOffset );\n\n\t}\n\n\t_setAdditiveIdentityNumeric() {\n\n\t\tconst startIndex = this._addIndex * this.valueSize;\n\t\tconst endIndex = startIndex + this.valueSize;\n\n\t\tfor ( let i = startIndex; i < endIndex; i ++ ) {\n\n\t\t\tthis.buffer[ i ] = 0;\n\n\t\t}\n\n\t}\n\n\t_setAdditiveIdentityQuaternion() {\n\n\t\tthis._setAdditiveIdentityNumeric();\n\t\tthis.buffer[ this._addIndex * this.valueSize + 3 ] = 1;\n\n\t}\n\n\t_setAdditiveIdentityOther() {\n\n\t\tconst startIndex = this._origIndex * this.valueSize;\n\t\tconst targetIndex = this._addIndex * this.valueSize;\n\n\t\tfor ( let i = 0; i < this.valueSize; i ++ ) {\n\n\t\t\tthis.buffer[ targetIndex + i ] = this.buffer[ startIndex + i ];\n\n\t\t}\n\n\t}\n\n\n\t// mix functions\n\n\t_select( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tif ( t >= 0.5 ) {\n\n\t\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tbuffer[ dstOffset + i ] = buffer[ srcOffset + i ];\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_slerp( buffer, dstOffset, srcOffset, t ) {\n\n\t\tQuaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, srcOffset, t );\n\n\t}\n\n\t_slerpAdditive( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tconst workOffset = this._workIndex * stride;\n\n\t\t// Store result in intermediate buffer offset\n\t\tQuaternion.multiplyQuaternionsFlat( buffer, workOffset, buffer, dstOffset, buffer, srcOffset );\n\n\t\t// Slerp to the intermediate result\n\t\tQuaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, workOffset, t );\n\n\t}\n\n\t_lerp( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tconst s = 1 - t;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tconst j = dstOffset + i;\n\n\t\t\tbuffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t;\n\n\t\t}\n\n\t}\n\n\t_lerpAdditive( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tconst j = dstOffset + i;\n\n\t\t\tbuffer[ j ] = buffer[ j ] + buffer[ srcOffset + i ] * t;\n\n\t\t}\n\n\t}\n\n}\n\n// Characters [].:/ are reserved for track binding syntax.\nconst _RESERVED_CHARS_RE = '\\\\[\\\\]\\\\.:\\\\/';\nconst _reservedRe = new RegExp( '[' + _RESERVED_CHARS_RE + ']', 'g' );\n\n// Attempts to allow node names from any language. ES5's `\\w` regexp matches\n// only latin characters, and the unicode \\p{L} is not yet supported. So\n// instead, we exclude reserved characters and match everything else.\nconst _wordChar = '[^' + _RESERVED_CHARS_RE + ']';\nconst _wordCharOrDot = '[^' + _RESERVED_CHARS_RE.replace( '\\\\.', '' ) + ']';\n\n// Parent directories, delimited by '/' or ':'. Currently unused, but must\n// be matched to parse the rest of the track name.\nconst _directoryRe = /((?:WC+[\\/:])*)/.source.replace( 'WC', _wordChar );\n\n// Target node. May contain word characters (a-zA-Z0-9_) and '.' or '-'.\nconst _nodeRe = /(WCOD+)?/.source.replace( 'WCOD', _wordCharOrDot );\n\n// Object on target node, and accessor. May not contain reserved\n// characters. Accessor may contain any character except closing bracket.\nconst _objectRe = /(?:\\.(WC+)(?:\\[(.+)\\])?)?/.source.replace( 'WC', _wordChar );\n\n// Property and accessor. May not contain reserved characters. Accessor may\n// contain any non-bracket characters.\nconst _propertyRe = /\\.(WC+)(?:\\[(.+)\\])?/.source.replace( 'WC', _wordChar );\n\nconst _trackRe = new RegExp( ''\n\t+ '^'\n\t+ _directoryRe\n\t+ _nodeRe\n\t+ _objectRe\n\t+ _propertyRe\n\t+ '$'\n);\n\nconst _supportedObjectNames = [ 'material', 'materials', 'bones' ];\n\nclass Composite {\n\n\tconstructor( targetGroup, path, optionalParsedPath ) {\n\n\t\tconst parsedPath = optionalParsedPath || PropertyBinding.parseTrackName( path );\n\n\t\tthis._targetGroup = targetGroup;\n\t\tthis._bindings = targetGroup.subscribe_( path, parsedPath );\n\n\t}\n\n\tgetValue( array, offset ) {\n\n\t\tthis.bind(); // bind all binding\n\n\t\tconst firstValidIndex = this._targetGroup.nCachedObjects_,\n\t\t\tbinding = this._bindings[ firstValidIndex ];\n\n\t\t// and only call .getValue on the first\n\t\tif ( binding !== undefined ) binding.getValue( array, offset );\n\n\t}\n\n\tsetValue( array, offset ) {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].setValue( array, offset );\n\n\t\t}\n\n\t}\n\n\tbind() {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].bind();\n\n\t\t}\n\n\t}\n\n\tunbind() {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].unbind();\n\n\t\t}\n\n\t}\n\n}\n\n// Note: This class uses a State pattern on a per-method basis:\n// 'bind' sets 'this.getValue' / 'setValue' and shadows the\n// prototype version of these methods with one that represents\n// the bound state. When the property is not found, the methods\n// become no-ops.\nclass PropertyBinding {\n\n\tconstructor( rootNode, path, parsedPath ) {\n\n\t\tthis.path = path;\n\t\tthis.parsedPath = parsedPath || PropertyBinding.parseTrackName( path );\n\n\t\tthis.node = PropertyBinding.findNode( rootNode, this.parsedPath.nodeName ) || rootNode;\n\n\t\tthis.rootNode = rootNode;\n\n\t\t// initial state of these methods that calls 'bind'\n\t\tthis.getValue = this._getValue_unbound;\n\t\tthis.setValue = this._setValue_unbound;\n\n\t}\n\n\n\tstatic create( root, path, parsedPath ) {\n\n\t\tif ( ! ( root && root.isAnimationObjectGroup ) ) {\n\n\t\t\treturn new PropertyBinding( root, path, parsedPath );\n\n\t\t} else {\n\n\t\t\treturn new PropertyBinding.Composite( root, path, parsedPath );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Replaces spaces with underscores and removes unsupported characters from\n\t * node names, to ensure compatibility with parseTrackName().\n\t *\n\t * @param {string} name Node name to be sanitized.\n\t * @return {string}\n\t */\n\tstatic sanitizeNodeName( name ) {\n\n\t\treturn name.replace( /\\s/g, '_' ).replace( _reservedRe, '' );\n\n\t}\n\n\tstatic parseTrackName( trackName ) {\n\n\t\tconst matches = _trackRe.exec( trackName );\n\n\t\tif ( ! matches ) {\n\n\t\t\tthrow new Error( 'PropertyBinding: Cannot parse trackName: ' + trackName );\n\n\t\t}\n\n\t\tconst results = {\n\t\t\t// directoryName: matches[ 1 ], // (tschw) currently unused\n\t\t\tnodeName: matches[ 2 ],\n\t\t\tobjectName: matches[ 3 ],\n\t\t\tobjectIndex: matches[ 4 ],\n\t\t\tpropertyName: matches[ 5 ], // required\n\t\t\tpropertyIndex: matches[ 6 ]\n\t\t};\n\n\t\tconst lastDot = results.nodeName && results.nodeName.lastIndexOf( '.' );\n\n\t\tif ( lastDot !== undefined && lastDot !== - 1 ) {\n\n\t\t\tconst objectName = results.nodeName.substring( lastDot + 1 );\n\n\t\t\t// Object names must be checked against an allowlist. Otherwise, there\n\t\t\t// is no way to parse 'foo.bar.baz': 'baz' must be a property, but\n\t\t\t// 'bar' could be the objectName, or part of a nodeName (which can\n\t\t\t// include '.' characters).\n\t\t\tif ( _supportedObjectNames.indexOf( objectName ) !== - 1 ) {\n\n\t\t\t\tresults.nodeName = results.nodeName.substring( 0, lastDot );\n\t\t\t\tresults.objectName = objectName;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( results.propertyName === null || results.propertyName.length === 0 ) {\n\n\t\t\tthrow new Error( 'PropertyBinding: can not parse propertyName from trackName: ' + trackName );\n\n\t\t}\n\n\t\treturn results;\n\n\t}\n\n\tstatic findNode( root, nodeName ) {\n\n\t\tif ( ! nodeName || nodeName === '' || nodeName === '.' || nodeName === - 1 || nodeName === root.name || nodeName === root.uuid ) {\n\n\t\t\treturn root;\n\n\t\t}\n\n\t\t// search into skeleton bones.\n\t\tif ( root.skeleton ) {\n\n\t\t\tconst bone = root.skeleton.getBoneByName( nodeName );\n\n\t\t\tif ( bone !== undefined ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// search into node subtree.\n\t\tif ( root.children ) {\n\n\t\t\tconst searchNodeSubtree = function ( children ) {\n\n\t\t\t\tfor ( let i = 0; i < children.length; i ++ ) {\n\n\t\t\t\t\tconst childNode = children[ i ];\n\n\t\t\t\t\tif ( childNode.name === nodeName || childNode.uuid === nodeName ) {\n\n\t\t\t\t\t\treturn childNode;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst result = searchNodeSubtree( childNode.children );\n\n\t\t\t\t\tif ( result ) return result;\n\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tconst subTreeNode = searchNodeSubtree( root.children );\n\n\t\t\tif ( subTreeNode ) {\n\n\t\t\t\treturn subTreeNode;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\t// these are used to \"bind\" a nonexistent property\n\t_getValue_unavailable() {}\n\t_setValue_unavailable() {}\n\n\t// Getters\n\n\t_getValue_direct( buffer, offset ) {\n\n\t\tbuffer[ offset ] = this.targetObject[ this.propertyName ];\n\n\t}\n\n\t_getValue_array( buffer, offset ) {\n\n\t\tconst source = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = source.length; i !== n; ++ i ) {\n\n\t\t\tbuffer[ offset ++ ] = source[ i ];\n\n\t\t}\n\n\t}\n\n\t_getValue_arrayElement( buffer, offset ) {\n\n\t\tbuffer[ offset ] = this.resolvedProperty[ this.propertyIndex ];\n\n\t}\n\n\t_getValue_toArray( buffer, offset ) {\n\n\t\tthis.resolvedProperty.toArray( buffer, offset );\n\n\t}\n\n\t// Direct\n\n\t_setValue_direct( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\n\t}\n\n\t_setValue_direct_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// EntireArray\n\n\t_setValue_array( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t}\n\n\t_setValue_array_setNeedsUpdate( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// ArrayElement\n\n\t_setValue_arrayElement( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\n\t}\n\n\t_setValue_arrayElement_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// HasToFromArray\n\n\t_setValue_fromArray( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\n\t}\n\n\t_setValue_fromArray_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t_getValue_unbound( targetArray, offset ) {\n\n\t\tthis.bind();\n\t\tthis.getValue( targetArray, offset );\n\n\t}\n\n\t_setValue_unbound( sourceArray, offset ) {\n\n\t\tthis.bind();\n\t\tthis.setValue( sourceArray, offset );\n\n\t}\n\n\t// create getter / setter pair for a property in the scene graph\n\tbind() {\n\n\t\tlet targetObject = this.node;\n\t\tconst parsedPath = this.parsedPath;\n\n\t\tconst objectName = parsedPath.objectName;\n\t\tconst propertyName = parsedPath.propertyName;\n\t\tlet propertyIndex = parsedPath.propertyIndex;\n\n\t\tif ( ! targetObject ) {\n\n\t\t\ttargetObject = PropertyBinding.findNode( this.rootNode, parsedPath.nodeName ) || this.rootNode;\n\n\t\t\tthis.node = targetObject;\n\n\t\t}\n\n\t\t// set fail state so we can just 'return' on error\n\t\tthis.getValue = this._getValue_unavailable;\n\t\tthis.setValue = this._setValue_unavailable;\n\n\t\t// ensure there is a value node\n\t\tif ( ! targetObject ) {\n\n\t\t\tconsole.error( 'THREE.PropertyBinding: Trying to update node for track: ' + this.path + ' but it wasn\\'t found.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( objectName ) {\n\n\t\t\tlet objectIndex = parsedPath.objectIndex;\n\n\t\t\t// special cases were we need to reach deeper into the hierarchy to get the face materials....\n\t\t\tswitch ( objectName ) {\n\n\t\t\t\tcase 'materials':\n\n\t\t\t\t\tif ( ! targetObject.material ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to material as node does not have a material.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! targetObject.material.materials ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject.material.materials;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'bones':\n\n\t\t\t\t\tif ( ! targetObject.skeleton ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// potential future optimization: skip this if propertyIndex is already an integer\n\t\t\t\t\t// and convert the integer string to a true integer.\n\n\t\t\t\t\ttargetObject = targetObject.skeleton.bones;\n\n\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\tfor ( let i = 0; i < targetObject.length; i ++ ) {\n\n\t\t\t\t\t\tif ( targetObject[ i ].name === objectIndex ) {\n\n\t\t\t\t\t\t\tobjectIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tif ( targetObject[ objectName ] === undefined ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to objectName of node undefined.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject[ objectName ];\n\n\t\t\t}\n\n\n\t\t\tif ( objectIndex !== undefined ) {\n\n\t\t\t\tif ( targetObject[ objectIndex ] === undefined ) {\n\n\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.', this, targetObject );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\ttargetObject = targetObject[ objectIndex ];\n\n\t\t\t}\n\n\t\t}\n\n\t\t// resolve property\n\t\tconst nodeProperty = targetObject[ propertyName ];\n\n\t\tif ( nodeProperty === undefined ) {\n\n\t\t\tconst nodeName = parsedPath.nodeName;\n\n\t\t\tconsole.error( 'THREE.PropertyBinding: Trying to update property for track: ' + nodeName +\n\t\t\t\t'.' + propertyName + ' but it wasn\\'t found.', targetObject );\n\t\t\treturn;\n\n\t\t}\n\n\t\t// determine versioning scheme\n\t\tlet versioning = this.Versioning.None;\n\n\t\tthis.targetObject = targetObject;\n\n\t\tif ( targetObject.needsUpdate !== undefined ) { // material\n\n\t\t\tversioning = this.Versioning.NeedsUpdate;\n\n\t\t} else if ( targetObject.matrixWorldNeedsUpdate !== undefined ) { // node transform\n\n\t\t\tversioning = this.Versioning.MatrixWorldNeedsUpdate;\n\n\t\t}\n\n\t\t// determine how the property gets bound\n\t\tlet bindingType = this.BindingType.Direct;\n\n\t\tif ( propertyIndex !== undefined ) {\n\n\t\t\t// access a sub element of the property array (only primitives are supported right now)\n\n\t\t\tif ( propertyName === 'morphTargetInfluences' ) {\n\n\t\t\t\t// potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer.\n\n\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\tif ( ! targetObject.geometry ) {\n\n\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.', this );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tif ( targetObject.geometry.isBufferGeometry ) {\n\n\t\t\t\t\tif ( ! targetObject.geometry.morphAttributes ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( targetObject.morphTargetDictionary[ propertyIndex ] !== undefined ) {\n\n\t\t\t\t\t\tpropertyIndex = targetObject.morphTargetDictionary[ propertyIndex ];\n\n\t\t\t\t\t}\n\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences on THREE.Geometry. Use THREE.BufferGeometry instead.', this );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tbindingType = this.BindingType.ArrayElement;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\t\t\tthis.propertyIndex = propertyIndex;\n\n\t\t} else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) {\n\n\t\t\t// must use copy for Object3D.Euler/Quaternion\n\n\t\t\tbindingType = this.BindingType.HasFromToArray;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t} else if ( Array.isArray( nodeProperty ) ) {\n\n\t\t\tbindingType = this.BindingType.EntireArray;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t} else {\n\n\t\t\tthis.propertyName = propertyName;\n\n\t\t}\n\n\t\t// select getter / setter\n\t\tthis.getValue = this.GetterByBindingType[ bindingType ];\n\t\tthis.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ];\n\n\t}\n\n\tunbind() {\n\n\t\tthis.node = null;\n\n\t\t// back to the prototype version of getValue / setValue\n\t\t// note: avoiding to mutate the shape of 'this' via 'delete'\n\t\tthis.getValue = this._getValue_unbound;\n\t\tthis.setValue = this._setValue_unbound;\n\n\t}\n\n}\n\nPropertyBinding.Composite = Composite;\n\nPropertyBinding.prototype.BindingType = {\n\tDirect: 0,\n\tEntireArray: 1,\n\tArrayElement: 2,\n\tHasFromToArray: 3\n};\n\nPropertyBinding.prototype.Versioning = {\n\tNone: 0,\n\tNeedsUpdate: 1,\n\tMatrixWorldNeedsUpdate: 2\n};\n\nPropertyBinding.prototype.GetterByBindingType = [\n\n\tPropertyBinding.prototype._getValue_direct,\n\tPropertyBinding.prototype._getValue_array,\n\tPropertyBinding.prototype._getValue_arrayElement,\n\tPropertyBinding.prototype._getValue_toArray,\n\n];\n\nPropertyBinding.prototype.SetterByBindingTypeAndVersioning = [\n\n\t[\n\t\t// Direct\n\t\tPropertyBinding.prototype._setValue_direct,\n\t\tPropertyBinding.prototype._setValue_direct_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_direct_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// EntireArray\n\n\t\tPropertyBinding.prototype._setValue_array,\n\t\tPropertyBinding.prototype._setValue_array_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_array_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// ArrayElement\n\t\tPropertyBinding.prototype._setValue_arrayElement,\n\t\tPropertyBinding.prototype._setValue_arrayElement_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// HasToFromArray\n\t\tPropertyBinding.prototype._setValue_fromArray,\n\t\tPropertyBinding.prototype._setValue_fromArray_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate,\n\n\t]\n\n];\n\n/**\n *\n * A group of objects that receives a shared animation state.\n *\n * Usage:\n *\n * - Add objects you would otherwise pass as 'root' to the\n * constructor or the .clipAction method of AnimationMixer.\n *\n * - Instead pass this object as 'root'.\n *\n * - You can also add and remove objects later when the mixer\n * is running.\n *\n * Note:\n *\n * Objects of this class appear as one object to the mixer,\n * so cache control of the individual objects must be done\n * on the group.\n *\n * Limitation:\n *\n * - The animated properties must be compatible among the\n * all objects in the group.\n *\n * - A single property can either be controlled through a\n * target group or directly, but not both.\n */\n\nclass AnimationObjectGroup {\n\n\tconstructor() {\n\n\t\tthis.uuid = generateUUID();\n\n\t\t// cached objects followed by the active ones\n\t\tthis._objects = Array.prototype.slice.call( arguments );\n\n\t\tthis.nCachedObjects_ = 0; // threshold\n\t\t// note: read by PropertyBinding.Composite\n\n\t\tconst indices = {};\n\t\tthis._indicesByUUID = indices; // for bookkeeping\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tindices[ arguments[ i ].uuid ] = i;\n\n\t\t}\n\n\t\tthis._paths = []; // inside: string\n\t\tthis._parsedPaths = []; // inside: { we don't care, here }\n\t\tthis._bindings = []; // inside: Array< PropertyBinding >\n\t\tthis._bindingsIndicesByPath = {}; // inside: indices in these arrays\n\n\t\tconst scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tobjects: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._objects.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn this.total - scope.nCachedObjects_;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tget bindingsPerObject() {\n\n\t\t\t\treturn scope._bindings.length;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tadd() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tpaths = this._paths,\n\t\t\tparsedPaths = this._parsedPaths,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet knownObject = undefined,\n\t\t\tnObjects = objects.length,\n\t\t\tnCachedObjects = this.nCachedObjects_;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid;\n\t\t\tlet index = indicesByUUID[ uuid ];\n\n\t\t\tif ( index === undefined ) {\n\n\t\t\t\t// unknown object -> add it to the ACTIVE region\n\n\t\t\t\tindex = nObjects ++;\n\t\t\t\tindicesByUUID[ uuid ] = index;\n\t\t\t\tobjects.push( object );\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tbindings[ j ].push( new PropertyBinding( object, paths[ j ], parsedPaths[ j ] ) );\n\n\t\t\t\t}\n\n\t\t\t} else if ( index < nCachedObjects ) {\n\n\t\t\t\tknownObject = objects[ index ];\n\n\t\t\t\t// move existing object to the ACTIVE region\n\n\t\t\t\tconst firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ];\n\n\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\tindicesByUUID[ uuid ] = firstActiveIndex;\n\t\t\t\tobjects[ firstActiveIndex ] = object;\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ];\n\n\t\t\t\t\tlet binding = bindingsForPath[ index ];\n\n\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\n\t\t\t\t\tif ( binding === undefined ) {\n\n\t\t\t\t\t\t// since we do not bother to create new bindings\n\t\t\t\t\t\t// for objects that are cached, the binding may\n\t\t\t\t\t\t// or may not exist\n\n\t\t\t\t\t\tbinding = new PropertyBinding( object, paths[ j ], parsedPaths[ j ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = binding;\n\n\t\t\t\t}\n\n\t\t\t} else if ( objects[ index ] !== knownObject ) {\n\n\t\t\t\tconsole.error( 'THREE.AnimationObjectGroup: Different objects with the same UUID ' +\n\t\t\t\t\t'detected. Clean the caches or recreate your infrastructure when reloading scenes.' );\n\n\t\t\t} // else the object is already where we want it to be\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\tremove() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet nCachedObjects = this.nCachedObjects_;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid,\n\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\tif ( index !== undefined && index >= nCachedObjects ) {\n\n\t\t\t\t// move existing object into the CACHED region\n\n\t\t\t\tconst lastCachedIndex = nCachedObjects ++,\n\t\t\t\t\tfirstActiveObject = objects[ lastCachedIndex ];\n\n\t\t\t\tindicesByUUID[ firstActiveObject.uuid ] = index;\n\t\t\t\tobjects[ index ] = firstActiveObject;\n\n\t\t\t\tindicesByUUID[ uuid ] = lastCachedIndex;\n\t\t\t\tobjects[ lastCachedIndex ] = object;\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\tfirstActive = bindingsForPath[ lastCachedIndex ],\n\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\tbindingsForPath[ index ] = firstActive;\n\t\t\t\t\tbindingsForPath[ lastCachedIndex ] = binding;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\t// remove & forget\n\tuncache() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet nCachedObjects = this.nCachedObjects_,\n\t\t\tnObjects = objects.length;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid,\n\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tdelete indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index < nCachedObjects ) {\n\n\t\t\t\t\t// object is cached, shrink the CACHED region\n\n\t\t\t\t\tconst firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ],\n\t\t\t\t\t\tlastIndex = -- nObjects,\n\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t// last cached object takes this object's place\n\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\t// last object goes to the activated slot and pop\n\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = firstActiveIndex;\n\t\t\t\t\tobjects[ firstActiveIndex ] = lastObject;\n\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\tlast = bindingsForPath[ lastIndex ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = last;\n\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// object is active, just swap with the last and pop\n\n\t\t\t\t\tconst lastIndex = -- nObjects,\n\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\tif ( lastIndex > 0 ) {\n\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = index;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tobjects[ index ] = lastObject;\n\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tconst bindingsForPath = bindings[ j ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = bindingsForPath[ lastIndex ];\n\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t}\n\n\t\t\t\t} // cached or active\n\n\t\t\t} // if object is known\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\t// Internal interface used by befriended PropertyBinding.Composite:\n\n\tsubscribe_( path, parsedPath ) {\n\n\t\t// returns an array of bindings for the given path that is changed\n\t\t// according to the contained objects in the group\n\n\t\tconst indicesByPath = this._bindingsIndicesByPath;\n\t\tlet index = indicesByPath[ path ];\n\t\tconst bindings = this._bindings;\n\n\t\tif ( index !== undefined ) return bindings[ index ];\n\n\t\tconst paths = this._paths,\n\t\t\tparsedPaths = this._parsedPaths,\n\t\t\tobjects = this._objects,\n\t\t\tnObjects = objects.length,\n\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\tbindingsForPath = new Array( nObjects );\n\n\t\tindex = bindings.length;\n\n\t\tindicesByPath[ path ] = index;\n\n\t\tpaths.push( path );\n\t\tparsedPaths.push( parsedPath );\n\t\tbindings.push( bindingsForPath );\n\n\t\tfor ( let i = nCachedObjects, n = objects.length; i !== n; ++ i ) {\n\n\t\t\tconst object = objects[ i ];\n\t\t\tbindingsForPath[ i ] = new PropertyBinding( object, path, parsedPath );\n\n\t\t}\n\n\t\treturn bindingsForPath;\n\n\t}\n\n\tunsubscribe_( path ) {\n\n\t\t// tells the group to forget about a property path and no longer\n\t\t// update the array previously obtained with 'subscribe_'\n\n\t\tconst indicesByPath = this._bindingsIndicesByPath,\n\t\t\tindex = indicesByPath[ path ];\n\n\t\tif ( index !== undefined ) {\n\n\t\t\tconst paths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tlastBindingsIndex = bindings.length - 1,\n\t\t\t\tlastBindings = bindings[ lastBindingsIndex ],\n\t\t\t\tlastBindingsPath = path[ lastBindingsIndex ];\n\n\t\t\tindicesByPath[ lastBindingsPath ] = index;\n\n\t\t\tbindings[ index ] = lastBindings;\n\t\t\tbindings.pop();\n\n\t\t\tparsedPaths[ index ] = parsedPaths[ lastBindingsIndex ];\n\t\t\tparsedPaths.pop();\n\n\t\t\tpaths[ index ] = paths[ lastBindingsIndex ];\n\t\t\tpaths.pop();\n\n\t\t}\n\n\t}\n\n}\n\nAnimationObjectGroup.prototype.isAnimationObjectGroup = true;\n\nclass AnimationAction {\n\n\tconstructor( mixer, clip, localRoot = null, blendMode = clip.blendMode ) {\n\n\t\tthis._mixer = mixer;\n\t\tthis._clip = clip;\n\t\tthis._localRoot = localRoot;\n\t\tthis.blendMode = blendMode;\n\n\t\tconst tracks = clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tinterpolants = new Array( nTracks );\n\n\t\tconst interpolantSettings = {\n\t\t\tendingStart: ZeroCurvatureEnding,\n\t\t\tendingEnd: ZeroCurvatureEnding\n\t\t};\n\n\t\tfor ( let i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tconst interpolant = tracks[ i ].createInterpolant( null );\n\t\t\tinterpolants[ i ] = interpolant;\n\t\t\tinterpolant.settings = interpolantSettings;\n\n\t\t}\n\n\t\tthis._interpolantSettings = interpolantSettings;\n\n\t\tthis._interpolants = interpolants; // bound by the mixer\n\n\t\t// inside: PropertyMixer (managed by the mixer)\n\t\tthis._propertyBindings = new Array( nTracks );\n\n\t\tthis._cacheIndex = null; // for the memory manager\n\t\tthis._byClipCacheIndex = null; // for the memory manager\n\n\t\tthis._timeScaleInterpolant = null;\n\t\tthis._weightInterpolant = null;\n\n\t\tthis.loop = LoopRepeat;\n\t\tthis._loopCount = - 1;\n\n\t\t// global mixer time when the action is to be started\n\t\t// it's set back to 'null' upon start of the action\n\t\tthis._startTime = null;\n\n\t\t// scaled local time of the action\n\t\t// gets clamped or wrapped to 0..clip.duration according to loop\n\t\tthis.time = 0;\n\n\t\tthis.timeScale = 1;\n\t\tthis._effectiveTimeScale = 1;\n\n\t\tthis.weight = 1;\n\t\tthis._effectiveWeight = 1;\n\n\t\tthis.repetitions = Infinity; // no. of repetitions when looping\n\n\t\tthis.paused = false; // true -> zero effective time scale\n\t\tthis.enabled = true; // false -> zero effective weight\n\n\t\tthis.clampWhenFinished = false;// keep feeding the last frame?\n\n\t\tthis.zeroSlopeAtStart = true;// for smooth interpolation w/o separate\n\t\tthis.zeroSlopeAtEnd = true;// clips for start, loop and end\n\n\t}\n\n\t// State & Scheduling\n\n\tplay() {\n\n\t\tthis._mixer._activateAction( this );\n\n\t\treturn this;\n\n\t}\n\n\tstop() {\n\n\t\tthis._mixer._deactivateAction( this );\n\n\t\treturn this.reset();\n\n\t}\n\n\treset() {\n\n\t\tthis.paused = false;\n\t\tthis.enabled = true;\n\n\t\tthis.time = 0; // restart clip\n\t\tthis._loopCount = - 1;// forget previous loops\n\t\tthis._startTime = null;// forget scheduling\n\n\t\treturn this.stopFading().stopWarping();\n\n\t}\n\n\tisRunning() {\n\n\t\treturn this.enabled && ! this.paused && this.timeScale !== 0 &&\n\t\t\tthis._startTime === null && this._mixer._isActiveAction( this );\n\n\t}\n\n\t// return true when play has been called\n\tisScheduled() {\n\n\t\treturn this._mixer._isActiveAction( this );\n\n\t}\n\n\tstartAt( time ) {\n\n\t\tthis._startTime = time;\n\n\t\treturn this;\n\n\t}\n\n\tsetLoop( mode, repetitions ) {\n\n\t\tthis.loop = mode;\n\t\tthis.repetitions = repetitions;\n\n\t\treturn this;\n\n\t}\n\n\t// Weight\n\n\t// set the weight stopping any scheduled fading\n\t// although .enabled = false yields an effective weight of zero, this\n\t// method does *not* change .enabled, because it would be confusing\n\tsetEffectiveWeight( weight ) {\n\n\t\tthis.weight = weight;\n\n\t\t// note: same logic as when updated at runtime\n\t\tthis._effectiveWeight = this.enabled ? weight : 0;\n\n\t\treturn this.stopFading();\n\n\t}\n\n\t// return the weight considering fading and .enabled\n\tgetEffectiveWeight() {\n\n\t\treturn this._effectiveWeight;\n\n\t}\n\n\tfadeIn( duration ) {\n\n\t\treturn this._scheduleFading( duration, 0, 1 );\n\n\t}\n\n\tfadeOut( duration ) {\n\n\t\treturn this._scheduleFading( duration, 1, 0 );\n\n\t}\n\n\tcrossFadeFrom( fadeOutAction, duration, warp ) {\n\n\t\tfadeOutAction.fadeOut( duration );\n\t\tthis.fadeIn( duration );\n\n\t\tif ( warp ) {\n\n\t\t\tconst fadeInDuration = this._clip.duration,\n\t\t\t\tfadeOutDuration = fadeOutAction._clip.duration,\n\n\t\t\t\tstartEndRatio = fadeOutDuration / fadeInDuration,\n\t\t\t\tendStartRatio = fadeInDuration / fadeOutDuration;\n\n\t\t\tfadeOutAction.warp( 1.0, startEndRatio, duration );\n\t\t\tthis.warp( endStartRatio, 1.0, duration );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcrossFadeTo( fadeInAction, duration, warp ) {\n\n\t\treturn fadeInAction.crossFadeFrom( this, duration, warp );\n\n\t}\n\n\tstopFading() {\n\n\t\tconst weightInterpolant = this._weightInterpolant;\n\n\t\tif ( weightInterpolant !== null ) {\n\n\t\t\tthis._weightInterpolant = null;\n\t\t\tthis._mixer._takeBackControlInterpolant( weightInterpolant );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// Time Scale Control\n\n\t// set the time scale stopping any scheduled warping\n\t// although .paused = true yields an effective time scale of zero, this\n\t// method does *not* change .paused, because it would be confusing\n\tsetEffectiveTimeScale( timeScale ) {\n\n\t\tthis.timeScale = timeScale;\n\t\tthis._effectiveTimeScale = this.paused ? 0 : timeScale;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\t// return the time scale considering warping and .paused\n\tgetEffectiveTimeScale() {\n\n\t\treturn this._effectiveTimeScale;\n\n\t}\n\n\tsetDuration( duration ) {\n\n\t\tthis.timeScale = this._clip.duration / duration;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\tsyncWith( action ) {\n\n\t\tthis.time = action.time;\n\t\tthis.timeScale = action.timeScale;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\thalt( duration ) {\n\n\t\treturn this.warp( this._effectiveTimeScale, 0, duration );\n\n\t}\n\n\twarp( startTimeScale, endTimeScale, duration ) {\n\n\t\tconst mixer = this._mixer,\n\t\t\tnow = mixer.time,\n\t\t\ttimeScale = this.timeScale;\n\n\t\tlet interpolant = this._timeScaleInterpolant;\n\n\t\tif ( interpolant === null ) {\n\n\t\t\tinterpolant = mixer._lendControlInterpolant();\n\t\t\tthis._timeScaleInterpolant = interpolant;\n\n\t\t}\n\n\t\tconst times = interpolant.parameterPositions,\n\t\t\tvalues = interpolant.sampleValues;\n\n\t\ttimes[ 0 ] = now;\n\t\ttimes[ 1 ] = now + duration;\n\n\t\tvalues[ 0 ] = startTimeScale / timeScale;\n\t\tvalues[ 1 ] = endTimeScale / timeScale;\n\n\t\treturn this;\n\n\t}\n\n\tstopWarping() {\n\n\t\tconst timeScaleInterpolant = this._timeScaleInterpolant;\n\n\t\tif ( timeScaleInterpolant !== null ) {\n\n\t\t\tthis._timeScaleInterpolant = null;\n\t\t\tthis._mixer._takeBackControlInterpolant( timeScaleInterpolant );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// Object Accessors\n\n\tgetMixer() {\n\n\t\treturn this._mixer;\n\n\t}\n\n\tgetClip() {\n\n\t\treturn this._clip;\n\n\t}\n\n\tgetRoot() {\n\n\t\treturn this._localRoot || this._mixer._root;\n\n\t}\n\n\t// Interna\n\n\t_update( time, deltaTime, timeDirection, accuIndex ) {\n\n\t\t// called by the mixer\n\n\t\tif ( ! this.enabled ) {\n\n\t\t\t// call ._updateWeight() to update ._effectiveWeight\n\n\t\t\tthis._updateWeight( time );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst startTime = this._startTime;\n\n\t\tif ( startTime !== null ) {\n\n\t\t\t// check for scheduled start of action\n\n\t\t\tconst timeRunning = ( time - startTime ) * timeDirection;\n\t\t\tif ( timeRunning < 0 || timeDirection === 0 ) {\n\n\t\t\t\treturn; // yet to come / don't decide when delta = 0\n\n\t\t\t}\n\n\t\t\t// start\n\n\t\t\tthis._startTime = null; // unschedule\n\t\t\tdeltaTime = timeDirection * timeRunning;\n\n\t\t}\n\n\t\t// apply time scale and advance time\n\n\t\tdeltaTime *= this._updateTimeScale( time );\n\t\tconst clipTime = this._updateTime( deltaTime );\n\n\t\t// note: _updateTime may disable the action resulting in\n\t\t// an effective weight of 0\n\n\t\tconst weight = this._updateWeight( time );\n\n\t\tif ( weight > 0 ) {\n\n\t\t\tconst interpolants = this._interpolants;\n\t\t\tconst propertyMixers = this._propertyBindings;\n\n\t\t\tswitch ( this.blendMode ) {\n\n\t\t\t\tcase AdditiveAnimationBlendMode:\n\n\t\t\t\t\tfor ( let j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\t\tpropertyMixers[ j ].accumulateAdditive( weight );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase NormalAnimationBlendMode:\n\t\t\t\tdefault:\n\n\t\t\t\t\tfor ( let j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\t\tpropertyMixers[ j ].accumulate( accuIndex, weight );\n\n\t\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_updateWeight( time ) {\n\n\t\tlet weight = 0;\n\n\t\tif ( this.enabled ) {\n\n\t\t\tweight = this.weight;\n\t\t\tconst interpolant = this._weightInterpolant;\n\n\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\tconst interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\tweight *= interpolantValue;\n\n\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\tthis.stopFading();\n\n\t\t\t\t\tif ( interpolantValue === 0 ) {\n\n\t\t\t\t\t\t// faded out, disable\n\t\t\t\t\t\tthis.enabled = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis._effectiveWeight = weight;\n\t\treturn weight;\n\n\t}\n\n\t_updateTimeScale( time ) {\n\n\t\tlet timeScale = 0;\n\n\t\tif ( ! this.paused ) {\n\n\t\t\ttimeScale = this.timeScale;\n\n\t\t\tconst interpolant = this._timeScaleInterpolant;\n\n\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\tconst interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\ttimeScale *= interpolantValue;\n\n\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\tthis.stopWarping();\n\n\t\t\t\t\tif ( timeScale === 0 ) {\n\n\t\t\t\t\t\t// motion has halted, pause\n\t\t\t\t\t\tthis.paused = true;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// warp done - apply final time scale\n\t\t\t\t\t\tthis.timeScale = timeScale;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis._effectiveTimeScale = timeScale;\n\t\treturn timeScale;\n\n\t}\n\n\t_updateTime( deltaTime ) {\n\n\t\tconst duration = this._clip.duration;\n\t\tconst loop = this.loop;\n\n\t\tlet time = this.time + deltaTime;\n\t\tlet loopCount = this._loopCount;\n\n\t\tconst pingPong = ( loop === LoopPingPong );\n\n\t\tif ( deltaTime === 0 ) {\n\n\t\t\tif ( loopCount === - 1 ) return time;\n\n\t\t\treturn ( pingPong && ( loopCount & 1 ) === 1 ) ? duration - time : time;\n\n\t\t}\n\n\t\tif ( loop === LoopOnce ) {\n\n\t\t\tif ( loopCount === - 1 ) {\n\n\t\t\t\t// just started\n\n\t\t\t\tthis._loopCount = 0;\n\t\t\t\tthis._setEndings( true, true, false );\n\n\t\t\t}\n\n\t\t\thandle_stop: {\n\n\t\t\t\tif ( time >= duration ) {\n\n\t\t\t\t\ttime = duration;\n\n\t\t\t\t} else if ( time < 0 ) {\n\n\t\t\t\t\ttime = 0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tbreak handle_stop;\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\telse this.enabled = false;\n\n\t\t\t\tthis.time = time;\n\n\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\tdirection: deltaTime < 0 ? - 1 : 1\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t} else { // repetitive Repeat or PingPong\n\n\t\t\tif ( loopCount === - 1 ) {\n\n\t\t\t\t// just started\n\n\t\t\t\tif ( deltaTime >= 0 ) {\n\n\t\t\t\t\tloopCount = 0;\n\n\t\t\t\t\tthis._setEndings( true, this.repetitions === 0, pingPong );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// when looping in reverse direction, the initial\n\t\t\t\t\t// transition through zero counts as a repetition,\n\t\t\t\t\t// so leave loopCount at -1\n\n\t\t\t\t\tthis._setEndings( this.repetitions === 0, true, pingPong );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( time >= duration || time < 0 ) {\n\n\t\t\t\t// wrap around\n\n\t\t\t\tconst loopDelta = Math.floor( time / duration ); // signed\n\t\t\t\ttime -= duration * loopDelta;\n\n\t\t\t\tloopCount += Math.abs( loopDelta );\n\n\t\t\t\tconst pending = this.repetitions - loopCount;\n\n\t\t\t\tif ( pending <= 0 ) {\n\n\t\t\t\t\t// have to stop (switch state, clamp time, fire event)\n\n\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\ttime = deltaTime > 0 ? duration : 0;\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\tdirection: deltaTime > 0 ? 1 : - 1\n\t\t\t\t\t} );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// keep running\n\n\t\t\t\t\tif ( pending === 1 ) {\n\n\t\t\t\t\t\t// entering the last round\n\n\t\t\t\t\t\tconst atStart = deltaTime < 0;\n\t\t\t\t\t\tthis._setEndings( atStart, ! atStart, pingPong );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthis._setEndings( false, false, pingPong );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis._loopCount = loopCount;\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'loop', action: this, loopDelta: loopDelta\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tthis.time = time;\n\n\t\t\t}\n\n\t\t\tif ( pingPong && ( loopCount & 1 ) === 1 ) {\n\n\t\t\t\t// invert time for the \"pong round\"\n\n\t\t\t\treturn duration - time;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn time;\n\n\t}\n\n\t_setEndings( atStart, atEnd, pingPong ) {\n\n\t\tconst settings = this._interpolantSettings;\n\n\t\tif ( pingPong ) {\n\n\t\t\tsettings.endingStart = ZeroSlopeEnding;\n\t\t\tsettings.endingEnd = ZeroSlopeEnding;\n\n\t\t} else {\n\n\t\t\t// assuming for LoopOnce atStart == atEnd == true\n\n\t\t\tif ( atStart ) {\n\n\t\t\t\tsettings.endingStart = this.zeroSlopeAtStart ? ZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t} else {\n\n\t\t\t\tsettings.endingStart = WrapAroundEnding;\n\n\t\t\t}\n\n\t\t\tif ( atEnd ) {\n\n\t\t\t\tsettings.endingEnd = this.zeroSlopeAtEnd ? ZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t} else {\n\n\t\t\t\tsettings.endingEnd \t = WrapAroundEnding;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_scheduleFading( duration, weightNow, weightThen ) {\n\n\t\tconst mixer = this._mixer, now = mixer.time;\n\t\tlet interpolant = this._weightInterpolant;\n\n\t\tif ( interpolant === null ) {\n\n\t\t\tinterpolant = mixer._lendControlInterpolant();\n\t\t\tthis._weightInterpolant = interpolant;\n\n\t\t}\n\n\t\tconst times = interpolant.parameterPositions,\n\t\t\tvalues = interpolant.sampleValues;\n\n\t\ttimes[ 0 ] = now;\n\t\tvalues[ 0 ] = weightNow;\n\t\ttimes[ 1 ] = now + duration;\n\t\tvalues[ 1 ] = weightThen;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass AnimationMixer extends EventDispatcher {\n\n\tconstructor( root ) {\n\n\t\tsuper();\n\n\t\tthis._root = root;\n\t\tthis._initMemoryManager();\n\t\tthis._accuIndex = 0;\n\t\tthis.time = 0;\n\t\tthis.timeScale = 1.0;\n\n\t}\n\n\t_bindAction( action, prototypeAction ) {\n\n\t\tconst root = action._localRoot || this._root,\n\t\t\ttracks = action._clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tbindings = action._propertyBindings,\n\t\t\tinterpolants = action._interpolants,\n\t\t\trootUuid = root.uuid,\n\t\t\tbindingsByRoot = this._bindingsByRootAndName;\n\n\t\tlet bindingsByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingsByName === undefined ) {\n\n\t\t\tbindingsByName = {};\n\t\t\tbindingsByRoot[ rootUuid ] = bindingsByName;\n\n\t\t}\n\n\t\tfor ( let i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tconst track = tracks[ i ],\n\t\t\t\ttrackName = track.name;\n\n\t\t\tlet binding = bindingsByName[ trackName ];\n\n\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t} else {\n\n\t\t\t\tbinding = bindings[ i ];\n\n\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\t// existing binding, make sure the cache knows\n\n\t\t\t\t\tif ( binding._cacheIndex === null ) {\n\n\t\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tconst path = prototypeAction && prototypeAction.\n\t\t\t\t\t_propertyBindings[ i ].binding.parsedPath;\n\n\t\t\t\tbinding = new PropertyMixer(\n\t\t\t\t\tPropertyBinding.create( root, trackName, path ),\n\t\t\t\t\ttrack.ValueTypeName, track.getValueSize() );\n\n\t\t\t\t++ binding.referenceCount;\n\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t}\n\n\t\t\tinterpolants[ i ].resultBuffer = binding.buffer;\n\n\t\t}\n\n\t}\n\n\t_activateAction( action ) {\n\n\t\tif ( ! this._isActiveAction( action ) ) {\n\n\t\t\tif ( action._cacheIndex === null ) {\n\n\t\t\t\t// this action has been forgotten by the cache, but the user\n\t\t\t\t// appears to be still using it -> rebind\n\n\t\t\t\tconst rootUuid = ( action._localRoot || this._root ).uuid,\n\t\t\t\t\tclipUuid = action._clip.uuid,\n\t\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\t\tthis._bindAction( action,\n\t\t\t\t\tactionsForClip && actionsForClip.knownActions[ 0 ] );\n\n\t\t\t\tthis._addInactiveAction( action, clipUuid, rootUuid );\n\n\t\t\t}\n\n\t\t\tconst bindings = action._propertyBindings;\n\n\t\t\t// increment reference counts / sort out state\n\t\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tconst binding = bindings[ i ];\n\n\t\t\t\tif ( binding.useCount ++ === 0 ) {\n\n\t\t\t\t\tthis._lendBinding( binding );\n\t\t\t\t\tbinding.saveOriginalState();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._lendAction( action );\n\n\t\t}\n\n\t}\n\n\t_deactivateAction( action ) {\n\n\t\tif ( this._isActiveAction( action ) ) {\n\n\t\t\tconst bindings = action._propertyBindings;\n\n\t\t\t// decrement reference counts / sort out state\n\t\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tconst binding = bindings[ i ];\n\n\t\t\t\tif ( -- binding.useCount === 0 ) {\n\n\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\tthis._takeBackBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._takeBackAction( action );\n\n\t\t}\n\n\t}\n\n\t// Memory manager\n\n\t_initMemoryManager() {\n\n\t\tthis._actions = []; // 'nActiveActions' followed by inactive ones\n\t\tthis._nActiveActions = 0;\n\n\t\tthis._actionsByClip = {};\n\t\t// inside:\n\t\t// {\n\t\t// \tknownActions: Array< AnimationAction > - used as prototypes\n\t\t// \tactionByRoot: AnimationAction - lookup\n\t\t// }\n\n\n\t\tthis._bindings = []; // 'nActiveBindings' followed by inactive ones\n\t\tthis._nActiveBindings = 0;\n\n\t\tthis._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer >\n\n\n\t\tthis._controlInterpolants = []; // same game as above\n\t\tthis._nActiveControlInterpolants = 0;\n\n\t\tconst scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tactions: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._actions.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveActions;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tbindings: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._bindings.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveBindings;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tcontrolInterpolants: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._controlInterpolants.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveControlInterpolants;\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t// Memory management for AnimationAction objects\n\n\t_isActiveAction( action ) {\n\n\t\tconst index = action._cacheIndex;\n\t\treturn index !== null && index < this._nActiveActions;\n\n\t}\n\n\t_addInactiveAction( action, clipUuid, rootUuid ) {\n\n\t\tconst actions = this._actions,\n\t\t\tactionsByClip = this._actionsByClip;\n\n\t\tlet actionsForClip = actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip === undefined ) {\n\n\t\t\tactionsForClip = {\n\n\t\t\t\tknownActions: [ action ],\n\t\t\t\tactionByRoot: {}\n\n\t\t\t};\n\n\t\t\taction._byClipCacheIndex = 0;\n\n\t\t\tactionsByClip[ clipUuid ] = actionsForClip;\n\n\t\t} else {\n\n\t\t\tconst knownActions = actionsForClip.knownActions;\n\n\t\t\taction._byClipCacheIndex = knownActions.length;\n\t\t\tknownActions.push( action );\n\n\t\t}\n\n\t\taction._cacheIndex = actions.length;\n\t\tactions.push( action );\n\n\t\tactionsForClip.actionByRoot[ rootUuid ] = action;\n\n\t}\n\n\t_removeInactiveAction( action ) {\n\n\t\tconst actions = this._actions,\n\t\t\tlastInactiveAction = actions[ actions.length - 1 ],\n\t\t\tcacheIndex = action._cacheIndex;\n\n\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\tactions.pop();\n\n\t\taction._cacheIndex = null;\n\n\n\t\tconst clipUuid = action._clip.uuid,\n\t\t\tactionsByClip = this._actionsByClip,\n\t\t\tactionsForClip = actionsByClip[ clipUuid ],\n\t\t\tknownActionsForClip = actionsForClip.knownActions,\n\n\t\t\tlastKnownAction =\n\t\t\t\tknownActionsForClip[ knownActionsForClip.length - 1 ],\n\n\t\t\tbyClipCacheIndex = action._byClipCacheIndex;\n\n\t\tlastKnownAction._byClipCacheIndex = byClipCacheIndex;\n\t\tknownActionsForClip[ byClipCacheIndex ] = lastKnownAction;\n\t\tknownActionsForClip.pop();\n\n\t\taction._byClipCacheIndex = null;\n\n\n\t\tconst actionByRoot = actionsForClip.actionByRoot,\n\t\t\trootUuid = ( action._localRoot || this._root ).uuid;\n\n\t\tdelete actionByRoot[ rootUuid ];\n\n\t\tif ( knownActionsForClip.length === 0 ) {\n\n\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t}\n\n\t\tthis._removeInactiveBindingsForAction( action );\n\n\t}\n\n\t_removeInactiveBindingsForAction( action ) {\n\n\t\tconst bindings = action._propertyBindings;\n\n\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tconst binding = bindings[ i ];\n\n\t\t\tif ( -- binding.referenceCount === 0 ) {\n\n\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_lendAction( action ) {\n\n\t\t// [ active actions | inactive actions ]\n\t\t// [ active actions >| inactive actions ]\n\t\t// s a\n\t\t// <-swap->\n\t\t// a s\n\n\t\tconst actions = this._actions,\n\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\tlastActiveIndex = this._nActiveActions ++,\n\n\t\t\tfirstInactiveAction = actions[ lastActiveIndex ];\n\n\t\taction._cacheIndex = lastActiveIndex;\n\t\tactions[ lastActiveIndex ] = action;\n\n\t\tfirstInactiveAction._cacheIndex = prevIndex;\n\t\tactions[ prevIndex ] = firstInactiveAction;\n\n\t}\n\n\t_takeBackAction( action ) {\n\n\t\t// [ active actions | inactive actions ]\n\t\t// [ active actions |< inactive actions ]\n\t\t// a s\n\t\t// <-swap->\n\t\t// s a\n\n\t\tconst actions = this._actions,\n\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveActions,\n\n\t\t\tlastActiveAction = actions[ firstInactiveIndex ];\n\n\t\taction._cacheIndex = firstInactiveIndex;\n\t\tactions[ firstInactiveIndex ] = action;\n\n\t\tlastActiveAction._cacheIndex = prevIndex;\n\t\tactions[ prevIndex ] = lastActiveAction;\n\n\t}\n\n\t// Memory management for PropertyMixer objects\n\n\t_addInactiveBinding( binding, rootUuid, trackName ) {\n\n\t\tconst bindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindings = this._bindings;\n\n\t\tlet bindingByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingByName === undefined ) {\n\n\t\t\tbindingByName = {};\n\t\t\tbindingsByRoot[ rootUuid ] = bindingByName;\n\n\t\t}\n\n\t\tbindingByName[ trackName ] = binding;\n\n\t\tbinding._cacheIndex = bindings.length;\n\t\tbindings.push( binding );\n\n\t}\n\n\t_removeInactiveBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tpropBinding = binding.binding,\n\t\t\trootUuid = propBinding.rootNode.uuid,\n\t\t\ttrackName = propBinding.path,\n\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\tlastInactiveBinding = bindings[ bindings.length - 1 ],\n\t\t\tcacheIndex = binding._cacheIndex;\n\n\t\tlastInactiveBinding._cacheIndex = cacheIndex;\n\t\tbindings[ cacheIndex ] = lastInactiveBinding;\n\t\tbindings.pop();\n\n\t\tdelete bindingByName[ trackName ];\n\n\t\tif ( Object.keys( bindingByName ).length === 0 ) {\n\n\t\t\tdelete bindingsByRoot[ rootUuid ];\n\n\t\t}\n\n\t}\n\n\t_lendBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\tlastActiveIndex = this._nActiveBindings ++,\n\n\t\t\tfirstInactiveBinding = bindings[ lastActiveIndex ];\n\n\t\tbinding._cacheIndex = lastActiveIndex;\n\t\tbindings[ lastActiveIndex ] = binding;\n\n\t\tfirstInactiveBinding._cacheIndex = prevIndex;\n\t\tbindings[ prevIndex ] = firstInactiveBinding;\n\n\t}\n\n\t_takeBackBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveBindings,\n\n\t\t\tlastActiveBinding = bindings[ firstInactiveIndex ];\n\n\t\tbinding._cacheIndex = firstInactiveIndex;\n\t\tbindings[ firstInactiveIndex ] = binding;\n\n\t\tlastActiveBinding._cacheIndex = prevIndex;\n\t\tbindings[ prevIndex ] = lastActiveBinding;\n\n\t}\n\n\n\t// Memory management of Interpolants for weight and time scale\n\n\t_lendControlInterpolant() {\n\n\t\tconst interpolants = this._controlInterpolants,\n\t\t\tlastActiveIndex = this._nActiveControlInterpolants ++;\n\n\t\tlet interpolant = interpolants[ lastActiveIndex ];\n\n\t\tif ( interpolant === undefined ) {\n\n\t\t\tinterpolant = new LinearInterpolant(\n\t\t\t\tnew Float32Array( 2 ), new Float32Array( 2 ),\n\t\t\t\t1, this._controlInterpolantsResultBuffer );\n\n\t\t\tinterpolant.__cacheIndex = lastActiveIndex;\n\t\t\tinterpolants[ lastActiveIndex ] = interpolant;\n\n\t\t}\n\n\t\treturn interpolant;\n\n\t}\n\n\t_takeBackControlInterpolant( interpolant ) {\n\n\t\tconst interpolants = this._controlInterpolants,\n\t\t\tprevIndex = interpolant.__cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveControlInterpolants,\n\n\t\t\tlastActiveInterpolant = interpolants[ firstInactiveIndex ];\n\n\t\tinterpolant.__cacheIndex = firstInactiveIndex;\n\t\tinterpolants[ firstInactiveIndex ] = interpolant;\n\n\t\tlastActiveInterpolant.__cacheIndex = prevIndex;\n\t\tinterpolants[ prevIndex ] = lastActiveInterpolant;\n\n\t}\n\n\t// return an action for a clip optionally using a custom root target\n\t// object (this method allocates a lot of dynamic memory in case a\n\t// previously unknown clip/root combination is specified)\n\tclipAction( clip, optionalRoot, blendMode ) {\n\n\t\tconst root = optionalRoot || this._root,\n\t\t\trootUuid = root.uuid;\n\n\t\tlet clipObject = typeof clip === 'string' ? AnimationClip.findByName( root, clip ) : clip;\n\n\t\tconst clipUuid = clipObject !== null ? clipObject.uuid : clip;\n\n\t\tconst actionsForClip = this._actionsByClip[ clipUuid ];\n\t\tlet prototypeAction = null;\n\n\t\tif ( blendMode === undefined ) {\n\n\t\t\tif ( clipObject !== null ) {\n\n\t\t\t\tblendMode = clipObject.blendMode;\n\n\t\t\t} else {\n\n\t\t\t\tblendMode = NormalAnimationBlendMode;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\tconst existingAction = actionsForClip.actionByRoot[ rootUuid ];\n\n\t\t\tif ( existingAction !== undefined && existingAction.blendMode === blendMode ) {\n\n\t\t\t\treturn existingAction;\n\n\t\t\t}\n\n\t\t\t// we know the clip, so we don't have to parse all\n\t\t\t// the bindings again but can just copy\n\t\t\tprototypeAction = actionsForClip.knownActions[ 0 ];\n\n\t\t\t// also, take the clip from the prototype action\n\t\t\tif ( clipObject === null )\n\t\t\t\tclipObject = prototypeAction._clip;\n\n\t\t}\n\n\t\t// clip must be known when specified via string\n\t\tif ( clipObject === null ) return null;\n\n\t\t// allocate all resources required to run it\n\t\tconst newAction = new AnimationAction( this, clipObject, optionalRoot, blendMode );\n\n\t\tthis._bindAction( newAction, prototypeAction );\n\n\t\t// and make the action known to the memory manager\n\t\tthis._addInactiveAction( newAction, clipUuid, rootUuid );\n\n\t\treturn newAction;\n\n\t}\n\n\t// get an existing action\n\texistingAction( clip, optionalRoot ) {\n\n\t\tconst root = optionalRoot || this._root,\n\t\t\trootUuid = root.uuid,\n\n\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\tclipUuid = clipObject ? clipObject.uuid : clip,\n\n\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\treturn actionsForClip.actionByRoot[ rootUuid ] || null;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\t// deactivates all previously scheduled actions\n\tstopAllAction() {\n\n\t\tconst actions = this._actions,\n\t\t\tnActions = this._nActiveActions;\n\n\t\tfor ( let i = nActions - 1; i >= 0; -- i ) {\n\n\t\t\tactions[ i ].stop();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// advance the time and update apply the animation\n\tupdate( deltaTime ) {\n\n\t\tdeltaTime *= this.timeScale;\n\n\t\tconst actions = this._actions,\n\t\t\tnActions = this._nActiveActions,\n\n\t\t\ttime = this.time += deltaTime,\n\t\t\ttimeDirection = Math.sign( deltaTime ),\n\n\t\t\taccuIndex = this._accuIndex ^= 1;\n\n\t\t// run active actions\n\n\t\tfor ( let i = 0; i !== nActions; ++ i ) {\n\n\t\t\tconst action = actions[ i ];\n\n\t\t\taction._update( time, deltaTime, timeDirection, accuIndex );\n\n\t\t}\n\n\t\t// update scene graph\n\n\t\tconst bindings = this._bindings,\n\t\t\tnBindings = this._nActiveBindings;\n\n\t\tfor ( let i = 0; i !== nBindings; ++ i ) {\n\n\t\t\tbindings[ i ].apply( accuIndex );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// Allows you to seek to a specific time in an animation.\n\tsetTime( timeInSeconds ) {\n\n\t\tthis.time = 0; // Zero out time attribute for AnimationMixer object;\n\t\tfor ( let i = 0; i < this._actions.length; i ++ ) {\n\n\t\t\tthis._actions[ i ].time = 0; // Zero out time attribute for all associated AnimationAction objects.\n\n\t\t}\n\n\t\treturn this.update( timeInSeconds ); // Update used to set exact time. Returns \"this\" AnimationMixer object.\n\n\t}\n\n\t// return this mixer's root target object\n\tgetRoot() {\n\n\t\treturn this._root;\n\n\t}\n\n\t// free all resources specific to a particular clip\n\tuncacheClip( clip ) {\n\n\t\tconst actions = this._actions,\n\t\t\tclipUuid = clip.uuid,\n\t\t\tactionsByClip = this._actionsByClip,\n\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t// note: just calling _removeInactiveAction would mess up the\n\t\t\t// iteration state and also require updating the state we can\n\t\t\t// just throw away\n\n\t\t\tconst actionsToRemove = actionsForClip.knownActions;\n\n\t\t\tfor ( let i = 0, n = actionsToRemove.length; i !== n; ++ i ) {\n\n\t\t\t\tconst action = actionsToRemove[ i ];\n\n\t\t\t\tthis._deactivateAction( action );\n\n\t\t\t\tconst cacheIndex = action._cacheIndex,\n\t\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ];\n\n\t\t\t\taction._cacheIndex = null;\n\t\t\t\taction._byClipCacheIndex = null;\n\n\t\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\t\tactions.pop();\n\n\t\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t\t}\n\n\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t}\n\n\t}\n\n\t// free all resources specific to a particular root target object\n\tuncacheRoot( root ) {\n\n\t\tconst rootUuid = root.uuid,\n\t\t\tactionsByClip = this._actionsByClip;\n\n\t\tfor ( const clipUuid in actionsByClip ) {\n\n\t\t\tconst actionByRoot = actionsByClip[ clipUuid ].actionByRoot,\n\t\t\t\taction = actionByRoot[ rootUuid ];\n\n\t\t\tif ( action !== undefined ) {\n\n\t\t\t\tthis._deactivateAction( action );\n\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst bindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindingByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingByName !== undefined ) {\n\n\t\t\tfor ( const trackName in bindingByName ) {\n\n\t\t\t\tconst binding = bindingByName[ trackName ];\n\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// remove a targeted clip from the cache\n\tuncacheAction( clip, optionalRoot ) {\n\n\t\tconst action = this.existingAction( clip, optionalRoot );\n\n\t\tif ( action !== null ) {\n\n\t\t\tthis._deactivateAction( action );\n\t\t\tthis._removeInactiveAction( action );\n\n\t\t}\n\n\t}\n\n}\n\nAnimationMixer.prototype._controlInterpolantsResultBuffer = new Float32Array( 1 );\n\nclass Uniform {\n\n\tconstructor( value ) {\n\n\t\tif ( typeof value === 'string' ) {\n\n\t\t\tconsole.warn( 'THREE.Uniform: Type parameter is no longer needed.' );\n\t\t\tvalue = arguments[ 1 ];\n\n\t\t}\n\n\t\tthis.value = value;\n\n\t}\n\n\tclone() {\n\n\t\treturn new Uniform( this.value.clone === undefined ? this.value : this.value.clone() );\n\n\t}\n\n}\n\nclass InstancedInterleavedBuffer extends InterleavedBuffer {\n\n\tconstructor( array, stride, meshPerAttribute = 1 ) {\n\n\t\tsuper( array, stride );\n\n\t\tthis.meshPerAttribute = meshPerAttribute;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tconst ib = super.clone( data );\n\n\t\tib.meshPerAttribute = this.meshPerAttribute;\n\n\t\treturn ib;\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tconst json = super.toJSON( data );\n\n\t\tjson.isInstancedInterleavedBuffer = true;\n\t\tjson.meshPerAttribute = this.meshPerAttribute;\n\n\t\treturn json;\n\n\t}\n\n}\n\nInstancedInterleavedBuffer.prototype.isInstancedInterleavedBuffer = true;\n\nclass GLBufferAttribute {\n\n\tconstructor( buffer, type, itemSize, elementSize, count ) {\n\n\t\tthis.buffer = buffer;\n\t\tthis.type = type;\n\t\tthis.itemSize = itemSize;\n\t\tthis.elementSize = elementSize;\n\t\tthis.count = count;\n\n\t\tthis.version = 0;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tsetBuffer( buffer ) {\n\n\t\tthis.buffer = buffer;\n\n\t\treturn this;\n\n\t}\n\n\tsetType( type, elementSize ) {\n\n\t\tthis.type = type;\n\t\tthis.elementSize = elementSize;\n\n\t\treturn this;\n\n\t}\n\n\tsetItemSize( itemSize ) {\n\n\t\tthis.itemSize = itemSize;\n\n\t\treturn this;\n\n\t}\n\n\tsetCount( count ) {\n\n\t\tthis.count = count;\n\n\t\treturn this;\n\n\t}\n\n}\n\nGLBufferAttribute.prototype.isGLBufferAttribute = true;\n\nclass Raycaster {\n\n\tconstructor( origin, direction, near = 0, far = Infinity ) {\n\n\t\tthis.ray = new Ray( origin, direction );\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\t\tthis.camera = null;\n\t\tthis.layers = new Layers();\n\n\t\tthis.params = {\n\t\t\tMesh: {},\n\t\t\tLine: { threshold: 1 },\n\t\t\tLOD: {},\n\t\t\tPoints: { threshold: 1 },\n\t\t\tSprite: {}\n\t\t};\n\n\t}\n\n\tset( origin, direction ) {\n\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.ray.set( origin, direction );\n\n\t}\n\n\tsetFromCamera( coords, camera ) {\n\n\t\tif ( camera && camera.isPerspectiveCamera ) {\n\n\t\t\tthis.ray.origin.setFromMatrixPosition( camera.matrixWorld );\n\t\t\tthis.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize();\n\t\t\tthis.camera = camera;\n\n\t\t} else if ( camera && camera.isOrthographicCamera ) {\n\n\t\t\tthis.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera\n\t\t\tthis.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld );\n\t\t\tthis.camera = camera;\n\n\t\t} else {\n\n\t\t\tconsole.error( 'THREE.Raycaster: Unsupported camera type: ' + camera.type );\n\n\t\t}\n\n\t}\n\n\tintersectObject( object, recursive = true, intersects = [] ) {\n\n\t\tintersectObject( object, this, intersects, recursive );\n\n\t\tintersects.sort( ascSort );\n\n\t\treturn intersects;\n\n\t}\n\n\tintersectObjects( objects, recursive = true, intersects = [] ) {\n\n\t\tfor ( let i = 0, l = objects.length; i < l; i ++ ) {\n\n\t\t\tintersectObject( objects[ i ], this, intersects, recursive );\n\n\t\t}\n\n\t\tintersects.sort( ascSort );\n\n\t\treturn intersects;\n\n\t}\n\n}\n\nfunction ascSort( a, b ) {\n\n\treturn a.distance - b.distance;\n\n}\n\nfunction intersectObject( object, raycaster, intersects, recursive ) {\n\n\tif ( object.layers.test( raycaster.layers ) ) {\n\n\t\tobject.raycast( raycaster, intersects );\n\n\t}\n\n\tif ( recursive === true ) {\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tintersectObject( children[ i ], raycaster, intersects, true );\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system\n *\n * The polar angle (phi) is measured from the positive y-axis. The positive y-axis is up.\n * The azimuthal angle (theta) is measured from the positive z-axis.\n */\n\nclass Spherical {\n\n\tconstructor( radius = 1, phi = 0, theta = 0 ) {\n\n\t\tthis.radius = radius;\n\t\tthis.phi = phi; // polar angle\n\t\tthis.theta = theta; // azimuthal angle\n\n\t\treturn this;\n\n\t}\n\n\tset( radius, phi, theta ) {\n\n\t\tthis.radius = radius;\n\t\tthis.phi = phi;\n\t\tthis.theta = theta;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( other ) {\n\n\t\tthis.radius = other.radius;\n\t\tthis.phi = other.phi;\n\t\tthis.theta = other.theta;\n\n\t\treturn this;\n\n\t}\n\n\t// restrict phi to be betwee EPS and PI-EPS\n\tmakeSafe() {\n\n\t\tconst EPS = 0.000001;\n\t\tthis.phi = Math.max( EPS, Math.min( Math.PI - EPS, this.phi ) );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromVector3( v ) {\n\n\t\treturn this.setFromCartesianCoords( v.x, v.y, v.z );\n\n\t}\n\n\tsetFromCartesianCoords( x, y, z ) {\n\n\t\tthis.radius = Math.sqrt( x * x + y * y + z * z );\n\n\t\tif ( this.radius === 0 ) {\n\n\t\t\tthis.theta = 0;\n\t\t\tthis.phi = 0;\n\n\t\t} else {\n\n\t\t\tthis.theta = Math.atan2( x, z );\n\t\t\tthis.phi = Math.acos( clamp( y / this.radius, - 1, 1 ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\n/**\n * Ref: https://en.wikipedia.org/wiki/Cylindrical_coordinate_system\n */\n\nclass Cylindrical {\n\n\tconstructor( radius = 1, theta = 0, y = 0 ) {\n\n\t\tthis.radius = radius; // distance from the origin to a point in the x-z plane\n\t\tthis.theta = theta; // counterclockwise angle in the x-z plane measured in radians from the positive z-axis\n\t\tthis.y = y; // height above the x-z plane\n\n\t\treturn this;\n\n\t}\n\n\tset( radius, theta, y ) {\n\n\t\tthis.radius = radius;\n\t\tthis.theta = theta;\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( other ) {\n\n\t\tthis.radius = other.radius;\n\t\tthis.theta = other.theta;\n\t\tthis.y = other.y;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromVector3( v ) {\n\n\t\treturn this.setFromCartesianCoords( v.x, v.y, v.z );\n\n\t}\n\n\tsetFromCartesianCoords( x, y, z ) {\n\n\t\tthis.radius = Math.sqrt( x * x + z * z );\n\t\tthis.theta = Math.atan2( x, z );\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _vector$4 = /*@__PURE__*/ new Vector2();\n\nclass Box2 {\n\n\tconstructor( min = new Vector2( + Infinity, + Infinity ), max = new Vector2( - Infinity, - Infinity ) ) {\n\n\t\tthis.min = min;\n\t\tthis.max = max;\n\n\t}\n\n\tset( min, max ) {\n\n\t\tthis.min.copy( min );\n\t\tthis.max.copy( max );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCenterAndSize( center, size ) {\n\n\t\tconst halfSize = _vector$4.copy( size ).multiplyScalar( 0.5 );\n\t\tthis.min.copy( center ).sub( halfSize );\n\t\tthis.max.copy( center ).add( halfSize );\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( box ) {\n\n\t\tthis.min.copy( box.min );\n\t\tthis.max.copy( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tmakeEmpty() {\n\n\t\tthis.min.x = this.min.y = + Infinity;\n\t\tthis.max.x = this.max.y = - Infinity;\n\n\t\treturn this;\n\n\t}\n\n\tisEmpty() {\n\n\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y );\n\n\t}\n\n\tgetCenter( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t}\n\n\tgetSize( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0 ) : target.subVectors( this.max, this.min );\n\n\t}\n\n\texpandByPoint( point ) {\n\n\t\tthis.min.min( point );\n\t\tthis.max.max( point );\n\n\t\treturn this;\n\n\t}\n\n\texpandByVector( vector ) {\n\n\t\tthis.min.sub( vector );\n\t\tthis.max.add( vector );\n\n\t\treturn this;\n\n\t}\n\n\texpandByScalar( scalar ) {\n\n\t\tthis.min.addScalar( - scalar );\n\t\tthis.max.addScalar( scalar );\n\n\t\treturn this;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn point.x < this.min.x || point.x > this.max.x ||\n\t\t\tpoint.y < this.min.y || point.y > this.max.y ? false : true;\n\n\t}\n\n\tcontainsBox( box ) {\n\n\t\treturn this.min.x <= box.min.x && box.max.x <= this.max.x &&\n\t\t\tthis.min.y <= box.min.y && box.max.y <= this.max.y;\n\n\t}\n\n\tgetParameter( point, target ) {\n\n\t\t// This can potentially have a divide by zero if the box\n\t\t// has a size dimension of 0.\n\n\t\treturn target.set(\n\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y )\n\t\t);\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\t// using 4 splitting planes to rule out intersections\n\n\t\treturn box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\tbox.max.y < this.min.y || box.min.y > this.max.y ? false : true;\n\n\t}\n\n\tclampPoint( point, target ) {\n\n\t\treturn target.copy( point ).clamp( this.min, this.max );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\tconst clampedPoint = _vector$4.copy( point ).clamp( this.min, this.max );\n\t\treturn clampedPoint.sub( point ).length();\n\n\t}\n\n\tintersect( box ) {\n\n\t\tthis.min.max( box.min );\n\t\tthis.max.min( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tunion( box ) {\n\n\t\tthis.min.min( box.min );\n\t\tthis.max.max( box.max );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.min.add( offset );\n\t\tthis.max.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\tequals( box ) {\n\n\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t}\n\n}\n\nBox2.prototype.isBox2 = true;\n\nconst _startP = /*@__PURE__*/ new Vector3();\nconst _startEnd = /*@__PURE__*/ new Vector3();\n\nclass Line3 {\n\n\tconstructor( start = new Vector3(), end = new Vector3() ) {\n\n\t\tthis.start = start;\n\t\tthis.end = end;\n\n\t}\n\n\tset( start, end ) {\n\n\t\tthis.start.copy( start );\n\t\tthis.end.copy( end );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( line ) {\n\n\t\tthis.start.copy( line.start );\n\t\tthis.end.copy( line.end );\n\n\t\treturn this;\n\n\t}\n\n\tgetCenter( target ) {\n\n\t\treturn target.addVectors( this.start, this.end ).multiplyScalar( 0.5 );\n\n\t}\n\n\tdelta( target ) {\n\n\t\treturn target.subVectors( this.end, this.start );\n\n\t}\n\n\tdistanceSq() {\n\n\t\treturn this.start.distanceToSquared( this.end );\n\n\t}\n\n\tdistance() {\n\n\t\treturn this.start.distanceTo( this.end );\n\n\t}\n\n\tat( t, target ) {\n\n\t\treturn this.delta( target ).multiplyScalar( t ).add( this.start );\n\n\t}\n\n\tclosestPointToPointParameter( point, clampToLine ) {\n\n\t\t_startP.subVectors( point, this.start );\n\t\t_startEnd.subVectors( this.end, this.start );\n\n\t\tconst startEnd2 = _startEnd.dot( _startEnd );\n\t\tconst startEnd_startP = _startEnd.dot( _startP );\n\n\t\tlet t = startEnd_startP / startEnd2;\n\n\t\tif ( clampToLine ) {\n\n\t\t\tt = clamp( t, 0, 1 );\n\n\t\t}\n\n\t\treturn t;\n\n\t}\n\n\tclosestPointToPoint( point, clampToLine, target ) {\n\n\t\tconst t = this.closestPointToPointParameter( point, clampToLine );\n\n\t\treturn this.delta( target ).multiplyScalar( t ).add( this.start );\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tthis.start.applyMatrix4( matrix );\n\t\tthis.end.applyMatrix4( matrix );\n\n\t\treturn this;\n\n\t}\n\n\tequals( line ) {\n\n\t\treturn line.start.equals( this.start ) && line.end.equals( this.end );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _vector$3 = /*@__PURE__*/ new Vector3();\n\nclass SpotLightHelper extends Object3D {\n\n\tconstructor( light, color ) {\n\n\t\tsuper();\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.color = color;\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tconst positions = [\n\t\t\t0, 0, 0, \t0, 0, 1,\n\t\t\t0, 0, 0, \t1, 0, 1,\n\t\t\t0, 0, 0,\t- 1, 0, 1,\n\t\t\t0, 0, 0, \t0, 1, 1,\n\t\t\t0, 0, 0, \t0, - 1, 1\n\t\t];\n\n\t\tfor ( let i = 0, j = 1, l = 32; i < l; i ++, j ++ ) {\n\n\t\t\tconst p1 = ( i / l ) * Math.PI * 2;\n\t\t\tconst p2 = ( j / l ) * Math.PI * 2;\n\n\t\t\tpositions.push(\n\t\t\t\tMath.cos( p1 ), Math.sin( p1 ), 1,\n\t\t\t\tMath.cos( p2 ), Math.sin( p2 ), 1\n\t\t\t);\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { fog: false, toneMapped: false } );\n\n\t\tthis.cone = new LineSegments( geometry, material );\n\t\tthis.add( this.cone );\n\n\t\tthis.update();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.cone.geometry.dispose();\n\t\tthis.cone.material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tthis.light.updateMatrixWorld();\n\n\t\tconst coneLength = this.light.distance ? this.light.distance : 1000;\n\t\tconst coneWidth = coneLength * Math.tan( this.light.angle );\n\n\t\tthis.cone.scale.set( coneWidth, coneWidth, coneLength );\n\n\t\t_vector$3.setFromMatrixPosition( this.light.target.matrixWorld );\n\n\t\tthis.cone.lookAt( _vector$3 );\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.cone.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.cone.material.color.copy( this.light.color );\n\n\t\t}\n\n\t}\n\n}\n\nconst _vector$2 = /*@__PURE__*/ new Vector3();\nconst _boneMatrix = /*@__PURE__*/ new Matrix4();\nconst _matrixWorldInv = /*@__PURE__*/ new Matrix4();\n\n\nclass SkeletonHelper extends LineSegments {\n\n\tconstructor( object ) {\n\n\t\tconst bones = getBoneList( object );\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\tconst color1 = new Color( 0, 0, 1 );\n\t\tconst color2 = new Color( 0, 1, 0 );\n\n\t\tfor ( let i = 0; i < bones.length; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\n\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\tvertices.push( 0, 0, 0 );\n\t\t\t\tvertices.push( 0, 0, 0 );\n\t\t\t\tcolors.push( color1.r, color1.g, color1.b );\n\t\t\t\tcolors.push( color2.r, color2.g, color2.b );\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, depthTest: false, depthWrite: false, toneMapped: false, transparent: true } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'SkeletonHelper';\n\t\tthis.isSkeletonHelper = true;\n\n\t\tthis.root = object;\n\t\tthis.bones = bones;\n\n\t\tthis.matrix = object.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tconst bones = this.bones;\n\n\t\tconst geometry = this.geometry;\n\t\tconst position = geometry.getAttribute( 'position' );\n\n\t\t_matrixWorldInv.copy( this.root.matrixWorld ).invert();\n\n\t\tfor ( let i = 0, j = 0; i < bones.length; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\n\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\t_boneMatrix.multiplyMatrices( _matrixWorldInv, bone.matrixWorld );\n\t\t\t\t_vector$2.setFromMatrixPosition( _boneMatrix );\n\t\t\t\tposition.setXYZ( j, _vector$2.x, _vector$2.y, _vector$2.z );\n\n\t\t\t\t_boneMatrix.multiplyMatrices( _matrixWorldInv, bone.parent.matrixWorld );\n\t\t\t\t_vector$2.setFromMatrixPosition( _boneMatrix );\n\t\t\t\tposition.setXYZ( j + 1, _vector$2.x, _vector$2.y, _vector$2.z );\n\n\t\t\t\tj += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.getAttribute( 'position' ).needsUpdate = true;\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n}\n\n\nfunction getBoneList( object ) {\n\n\tconst boneList = [];\n\n\tif ( object && object.isBone ) {\n\n\t\tboneList.push( object );\n\n\t}\n\n\tfor ( let i = 0; i < object.children.length; i ++ ) {\n\n\t\tboneList.push.apply( boneList, getBoneList( object.children[ i ] ) );\n\n\t}\n\n\treturn boneList;\n\n}\n\nclass PointLightHelper extends Mesh {\n\n\tconstructor( light, sphereSize, color ) {\n\n\t\tconst geometry = new SphereGeometry( sphereSize, 4, 2 );\n\t\tconst material = new MeshBasicMaterial( { wireframe: true, fog: false, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.color = color;\n\n\t\tthis.type = 'PointLightHelper';\n\n\t\tthis.matrix = this.light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\n\t\t/*\n\t// TODO: delete this comment?\n\tconst distanceGeometry = new THREE.IcosahedronBufferGeometry( 1, 2 );\n\tconst distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } );\n\n\tthis.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial );\n\tthis.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial );\n\n\tconst d = light.distance;\n\n\tif ( d === 0.0 ) {\n\n\t\tthis.lightDistance.visible = false;\n\n\t} else {\n\n\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t}\n\n\tthis.add( this.lightDistance );\n\t*/\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.material.color.copy( this.light.color );\n\n\t\t}\n\n\t\t/*\n\t\tconst d = this.light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.visible = true;\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\t\t*/\n\n\t}\n\n}\n\nconst _vector$1 = /*@__PURE__*/ new Vector3();\nconst _color1 = /*@__PURE__*/ new Color();\nconst _color2 = /*@__PURE__*/ new Color();\n\nclass HemisphereLightHelper extends Object3D {\n\n\tconstructor( light, size, color ) {\n\n\t\tsuper();\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.color = color;\n\n\t\tconst geometry = new OctahedronGeometry( size );\n\t\tgeometry.rotateY( Math.PI * 0.5 );\n\n\t\tthis.material = new MeshBasicMaterial( { wireframe: true, fog: false, toneMapped: false } );\n\t\tif ( this.color === undefined ) this.material.vertexColors = true;\n\n\t\tconst position = geometry.getAttribute( 'position' );\n\t\tconst colors = new Float32Array( position.count * 3 );\n\n\t\tgeometry.setAttribute( 'color', new BufferAttribute( colors, 3 ) );\n\n\t\tthis.add( new Mesh( geometry, this.material ) );\n\n\t\tthis.update();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.children[ 0 ].geometry.dispose();\n\t\tthis.children[ 0 ].material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tconst mesh = this.children[ 0 ];\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tconst colors = mesh.geometry.getAttribute( 'color' );\n\n\t\t\t_color1.copy( this.light.color );\n\t\t\t_color2.copy( this.light.groundColor );\n\n\t\t\tfor ( let i = 0, l = colors.count; i < l; i ++ ) {\n\n\t\t\t\tconst color = ( i < ( l / 2 ) ) ? _color1 : _color2;\n\n\t\t\t\tcolors.setXYZ( i, color.r, color.g, color.b );\n\n\t\t\t}\n\n\t\t\tcolors.needsUpdate = true;\n\n\t\t}\n\n\t\tmesh.lookAt( _vector$1.setFromMatrixPosition( this.light.matrixWorld ).negate() );\n\n\t}\n\n}\n\nclass GridHelper extends LineSegments {\n\n\tconstructor( size = 10, divisions = 10, color1 = 0x444444, color2 = 0x888888 ) {\n\n\t\tcolor1 = new Color( color1 );\n\t\tcolor2 = new Color( color2 );\n\n\t\tconst center = divisions / 2;\n\t\tconst step = size / divisions;\n\t\tconst halfSize = size / 2;\n\n\t\tconst vertices = [], colors = [];\n\n\t\tfor ( let i = 0, j = 0, k = - halfSize; i <= divisions; i ++, k += step ) {\n\n\t\t\tvertices.push( - halfSize, 0, k, halfSize, 0, k );\n\t\t\tvertices.push( k, 0, - halfSize, k, 0, halfSize );\n\n\t\t\tconst color = i === center ? color1 : color2;\n\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\n\t\t}\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'GridHelper';\n\n\t}\n\n}\n\nclass PolarGridHelper extends LineSegments {\n\n\tconstructor( radius = 10, radials = 16, circles = 8, divisions = 64, color1 = 0x444444, color2 = 0x888888 ) {\n\n\t\tcolor1 = new Color( color1 );\n\t\tcolor2 = new Color( color2 );\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\t// create the radials\n\n\t\tfor ( let i = 0; i <= radials; i ++ ) {\n\n\t\t\tconst v = ( i / radials ) * ( Math.PI * 2 );\n\n\t\t\tconst x = Math.sin( v ) * radius;\n\t\t\tconst z = Math.cos( v ) * radius;\n\n\t\t\tvertices.push( 0, 0, 0 );\n\t\t\tvertices.push( x, 0, z );\n\n\t\t\tconst color = ( i & 1 ) ? color1 : color2;\n\n\t\t\tcolors.push( color.r, color.g, color.b );\n\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t}\n\n\t\t// create the circles\n\n\t\tfor ( let i = 0; i <= circles; i ++ ) {\n\n\t\t\tconst color = ( i & 1 ) ? color1 : color2;\n\n\t\t\tconst r = radius - ( radius / circles * i );\n\n\t\t\tfor ( let j = 0; j < divisions; j ++ ) {\n\n\t\t\t\t// first vertex\n\n\t\t\t\tlet v = ( j / divisions ) * ( Math.PI * 2 );\n\n\t\t\t\tlet x = Math.sin( v ) * r;\n\t\t\t\tlet z = Math.cos( v ) * r;\n\n\t\t\t\tvertices.push( x, 0, z );\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\t\t// second vertex\n\n\t\t\t\tv = ( ( j + 1 ) / divisions ) * ( Math.PI * 2 );\n\n\t\t\t\tx = Math.sin( v ) * r;\n\t\t\t\tz = Math.cos( v ) * r;\n\n\t\t\t\tvertices.push( x, 0, z );\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'PolarGridHelper';\n\n\t}\n\n}\n\nconst _v1 = /*@__PURE__*/ new Vector3();\nconst _v2 = /*@__PURE__*/ new Vector3();\nconst _v3 = /*@__PURE__*/ new Vector3();\n\nclass DirectionalLightHelper extends Object3D {\n\n\tconstructor( light, size, color ) {\n\n\t\tsuper();\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.color = color;\n\n\t\tif ( size === undefined ) size = 1;\n\n\t\tlet geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( [\n\t\t\t- size, size, 0,\n\t\t\tsize, size, 0,\n\t\t\tsize, - size, 0,\n\t\t\t- size, - size, 0,\n\t\t\t- size, size, 0\n\t\t], 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { fog: false, toneMapped: false } );\n\n\t\tthis.lightPlane = new Line( geometry, material );\n\t\tthis.add( this.lightPlane );\n\n\t\tgeometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) );\n\n\t\tthis.targetLine = new Line( geometry, material );\n\t\tthis.add( this.targetLine );\n\n\t\tthis.update();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.lightPlane.geometry.dispose();\n\t\tthis.lightPlane.material.dispose();\n\t\tthis.targetLine.geometry.dispose();\n\t\tthis.targetLine.material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\t_v1.setFromMatrixPosition( this.light.matrixWorld );\n\t\t_v2.setFromMatrixPosition( this.light.target.matrixWorld );\n\t\t_v3.subVectors( _v2, _v1 );\n\n\t\tthis.lightPlane.lookAt( _v2 );\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.lightPlane.material.color.set( this.color );\n\t\t\tthis.targetLine.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.lightPlane.material.color.copy( this.light.color );\n\t\t\tthis.targetLine.material.color.copy( this.light.color );\n\n\t\t}\n\n\t\tthis.targetLine.lookAt( _v2 );\n\t\tthis.targetLine.scale.z = _v3.length();\n\n\t}\n\n}\n\nconst _vector = /*@__PURE__*/ new Vector3();\nconst _camera = /*@__PURE__*/ new Camera();\n\n/**\n *\t- shows frustum, line of sight and up of the camera\n *\t- suitable for fast updates\n * \t- based on frustum visualization in lightgl.js shadowmap example\n *\t\thttp://evanw.github.com/lightgl.js/tests/shadowmap.html\n */\n\nclass CameraHelper extends LineSegments {\n\n\tconstructor( camera ) {\n\n\t\tconst geometry = new BufferGeometry();\n\t\tconst material = new LineBasicMaterial( { color: 0xffffff, vertexColors: true, toneMapped: false } );\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\tconst pointMap = {};\n\n\t\t// colors\n\n\t\tconst colorFrustum = new Color( 0xffaa00 );\n\t\tconst colorCone = new Color( 0xff0000 );\n\t\tconst colorUp = new Color( 0x00aaff );\n\t\tconst colorTarget = new Color( 0xffffff );\n\t\tconst colorCross = new Color( 0x333333 );\n\n\t\t// near\n\n\t\taddLine( 'n1', 'n2', colorFrustum );\n\t\taddLine( 'n2', 'n4', colorFrustum );\n\t\taddLine( 'n4', 'n3', colorFrustum );\n\t\taddLine( 'n3', 'n1', colorFrustum );\n\n\t\t// far\n\n\t\taddLine( 'f1', 'f2', colorFrustum );\n\t\taddLine( 'f2', 'f4', colorFrustum );\n\t\taddLine( 'f4', 'f3', colorFrustum );\n\t\taddLine( 'f3', 'f1', colorFrustum );\n\n\t\t// sides\n\n\t\taddLine( 'n1', 'f1', colorFrustum );\n\t\taddLine( 'n2', 'f2', colorFrustum );\n\t\taddLine( 'n3', 'f3', colorFrustum );\n\t\taddLine( 'n4', 'f4', colorFrustum );\n\n\t\t// cone\n\n\t\taddLine( 'p', 'n1', colorCone );\n\t\taddLine( 'p', 'n2', colorCone );\n\t\taddLine( 'p', 'n3', colorCone );\n\t\taddLine( 'p', 'n4', colorCone );\n\n\t\t// up\n\n\t\taddLine( 'u1', 'u2', colorUp );\n\t\taddLine( 'u2', 'u3', colorUp );\n\t\taddLine( 'u3', 'u1', colorUp );\n\n\t\t// target\n\n\t\taddLine( 'c', 't', colorTarget );\n\t\taddLine( 'p', 'c', colorCross );\n\n\t\t// cross\n\n\t\taddLine( 'cn1', 'cn2', colorCross );\n\t\taddLine( 'cn3', 'cn4', colorCross );\n\n\t\taddLine( 'cf1', 'cf2', colorCross );\n\t\taddLine( 'cf3', 'cf4', colorCross );\n\n\t\tfunction addLine( a, b, color ) {\n\n\t\t\taddPoint( a, color );\n\t\t\taddPoint( b, color );\n\n\t\t}\n\n\t\tfunction addPoint( id, color ) {\n\n\t\t\tvertices.push( 0, 0, 0 );\n\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\tif ( pointMap[ id ] === undefined ) {\n\n\t\t\t\tpointMap[ id ] = [];\n\n\t\t\t}\n\n\t\t\tpointMap[ id ].push( ( vertices.length / 3 ) - 1 );\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'CameraHelper';\n\n\t\tthis.camera = camera;\n\t\tif ( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix();\n\n\t\tthis.matrix = camera.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.pointMap = pointMap;\n\n\t\tthis.update();\n\n\t}\n\n\tupdate() {\n\n\t\tconst geometry = this.geometry;\n\t\tconst pointMap = this.pointMap;\n\n\t\tconst w = 1, h = 1;\n\n\t\t// we need just camera projection matrix inverse\n\t\t// world matrix must be identity\n\n\t\t_camera.projectionMatrixInverse.copy( this.camera.projectionMatrixInverse );\n\n\t\t// center / target\n\n\t\tsetPoint( 'c', pointMap, geometry, _camera, 0, 0, - 1 );\n\t\tsetPoint( 't', pointMap, geometry, _camera, 0, 0, 1 );\n\n\t\t// near\n\n\t\tsetPoint( 'n1', pointMap, geometry, _camera, - w, - h, - 1 );\n\t\tsetPoint( 'n2', pointMap, geometry, _camera, w, - h, - 1 );\n\t\tsetPoint( 'n3', pointMap, geometry, _camera, - w, h, - 1 );\n\t\tsetPoint( 'n4', pointMap, geometry, _camera, w, h, - 1 );\n\n\t\t// far\n\n\t\tsetPoint( 'f1', pointMap, geometry, _camera, - w, - h, 1 );\n\t\tsetPoint( 'f2', pointMap, geometry, _camera, w, - h, 1 );\n\t\tsetPoint( 'f3', pointMap, geometry, _camera, - w, h, 1 );\n\t\tsetPoint( 'f4', pointMap, geometry, _camera, w, h, 1 );\n\n\t\t// up\n\n\t\tsetPoint( 'u1', pointMap, geometry, _camera, w * 0.7, h * 1.1, - 1 );\n\t\tsetPoint( 'u2', pointMap, geometry, _camera, - w * 0.7, h * 1.1, - 1 );\n\t\tsetPoint( 'u3', pointMap, geometry, _camera, 0, h * 2, - 1 );\n\n\t\t// cross\n\n\t\tsetPoint( 'cf1', pointMap, geometry, _camera, - w, 0, 1 );\n\t\tsetPoint( 'cf2', pointMap, geometry, _camera, w, 0, 1 );\n\t\tsetPoint( 'cf3', pointMap, geometry, _camera, 0, - h, 1 );\n\t\tsetPoint( 'cf4', pointMap, geometry, _camera, 0, h, 1 );\n\n\t\tsetPoint( 'cn1', pointMap, geometry, _camera, - w, 0, - 1 );\n\t\tsetPoint( 'cn2', pointMap, geometry, _camera, w, 0, - 1 );\n\t\tsetPoint( 'cn3', pointMap, geometry, _camera, 0, - h, - 1 );\n\t\tsetPoint( 'cn4', pointMap, geometry, _camera, 0, h, - 1 );\n\n\t\tgeometry.getAttribute( 'position' ).needsUpdate = true;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\n\nfunction setPoint( point, pointMap, geometry, camera, x, y, z ) {\n\n\t_vector.set( x, y, z ).unproject( camera );\n\n\tconst points = pointMap[ point ];\n\n\tif ( points !== undefined ) {\n\n\t\tconst position = geometry.getAttribute( 'position' );\n\n\t\tfor ( let i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\tposition.setXYZ( points[ i ], _vector.x, _vector.y, _vector.z );\n\n\t\t}\n\n\t}\n\n}\n\nconst _box = /*@__PURE__*/ new Box3();\n\nclass BoxHelper extends LineSegments {\n\n\tconstructor( object, color = 0xffff00 ) {\n\n\t\tconst indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\t\tconst positions = new Float32Array( 8 * 3 );\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tgeometry.setAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.object = object;\n\t\tthis.type = 'BoxHelper';\n\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\tupdate( object ) {\n\n\t\tif ( object !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.BoxHelper: .update() has no longer arguments.' );\n\n\t\t}\n\n\t\tif ( this.object !== undefined ) {\n\n\t\t\t_box.setFromObject( this.object );\n\n\t\t}\n\n\t\tif ( _box.isEmpty() ) return;\n\n\t\tconst min = _box.min;\n\t\tconst max = _box.max;\n\n\t\t/*\n\t\t\t5____4\n\t\t1/___0/|\n\t\t| 6__|_7\n\t\t2/___3/\n\n\t\t0: max.x, max.y, max.z\n\t\t1: min.x, max.y, max.z\n\t\t2: min.x, min.y, max.z\n\t\t3: max.x, min.y, max.z\n\t\t4: max.x, max.y, min.z\n\t\t5: min.x, max.y, min.z\n\t\t6: min.x, min.y, min.z\n\t\t7: max.x, min.y, min.z\n\t\t*/\n\n\t\tconst position = this.geometry.attributes.position;\n\t\tconst array = position.array;\n\n\t\tarray[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z;\n\t\tarray[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z;\n\t\tarray[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z;\n\t\tarray[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z;\n\t\tarray[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z;\n\t\tarray[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z;\n\t\tarray[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z;\n\t\tarray[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z;\n\n\t\tposition.needsUpdate = true;\n\n\t\tthis.geometry.computeBoundingSphere();\n\n\n\t}\n\n\tsetFromObject( object ) {\n\n\t\tthis.object = object;\n\t\tthis.update();\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tLineSegments.prototype.copy.call( this, source );\n\n\t\tthis.object = source.object;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass Box3Helper extends LineSegments {\n\n\tconstructor( box, color = 0xffff00 ) {\n\n\t\tconst indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\n\t\tconst positions = [ 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, - 1, 1, 1, 1, - 1, - 1, 1, - 1, - 1, - 1, - 1, 1, - 1, - 1 ];\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.box = box;\n\n\t\tthis.type = 'Box3Helper';\n\n\t\tthis.geometry.computeBoundingSphere();\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tconst box = this.box;\n\n\t\tif ( box.isEmpty() ) return;\n\n\t\tbox.getCenter( this.position );\n\n\t\tbox.getSize( this.scale );\n\n\t\tthis.scale.multiplyScalar( 0.5 );\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n}\n\nclass PlaneHelper extends Line {\n\n\tconstructor( plane, size = 1, hex = 0xffff00 ) {\n\n\t\tconst color = hex;\n\n\t\tconst positions = [ 1, - 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, - 1, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0 ];\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\t\tgeometry.computeBoundingSphere();\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.type = 'PlaneHelper';\n\n\t\tthis.plane = plane;\n\n\t\tthis.size = size;\n\n\t\tconst positions2 = [ 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, 1, 1, - 1, - 1, 1, 1, - 1, 1 ];\n\n\t\tconst geometry2 = new BufferGeometry();\n\t\tgeometry2.setAttribute( 'position', new Float32BufferAttribute( positions2, 3 ) );\n\t\tgeometry2.computeBoundingSphere();\n\n\t\tthis.add( new Mesh( geometry2, new MeshBasicMaterial( { color: color, opacity: 0.2, transparent: true, depthWrite: false, toneMapped: false } ) ) );\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tlet scale = - this.plane.constant;\n\n\t\tif ( Math.abs( scale ) < 1e-8 ) scale = 1e-8; // sign does not matter\n\n\t\tthis.scale.set( 0.5 * this.size, 0.5 * this.size, scale );\n\n\t\tthis.children[ 0 ].material.side = ( scale < 0 ) ? BackSide : FrontSide; // renderer flips side when determinant < 0; flipping not wanted here\n\n\t\tthis.lookAt( this.plane.normal );\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n}\n\nconst _axis = /*@__PURE__*/ new Vector3();\nlet _lineGeometry, _coneGeometry;\n\nclass ArrowHelper extends Object3D {\n\n\t// dir is assumed to be normalized\n\n\tconstructor( dir = new Vector3( 0, 0, 1 ), origin = new Vector3( 0, 0, 0 ), length = 1, color = 0xffff00, headLength = length * 0.2, headWidth = headLength * 0.2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ArrowHelper';\n\n\t\tif ( _lineGeometry === undefined ) {\n\n\t\t\t_lineGeometry = new BufferGeometry();\n\t\t\t_lineGeometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) );\n\n\t\t\t_coneGeometry = new CylinderGeometry( 0, 0.5, 1, 5, 1 );\n\t\t\t_coneGeometry.translate( 0, - 0.5, 0 );\n\n\t\t}\n\n\t\tthis.position.copy( origin );\n\n\t\tthis.line = new Line( _lineGeometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\t\tthis.line.matrixAutoUpdate = false;\n\t\tthis.add( this.line );\n\n\t\tthis.cone = new Mesh( _coneGeometry, new MeshBasicMaterial( { color: color, toneMapped: false } ) );\n\t\tthis.cone.matrixAutoUpdate = false;\n\t\tthis.add( this.cone );\n\n\t\tthis.setDirection( dir );\n\t\tthis.setLength( length, headLength, headWidth );\n\n\t}\n\n\tsetDirection( dir ) {\n\n\t\t// dir is assumed to be normalized\n\n\t\tif ( dir.y > 0.99999 ) {\n\n\t\t\tthis.quaternion.set( 0, 0, 0, 1 );\n\n\t\t} else if ( dir.y < - 0.99999 ) {\n\n\t\t\tthis.quaternion.set( 1, 0, 0, 0 );\n\n\t\t} else {\n\n\t\t\t_axis.set( dir.z, 0, - dir.x ).normalize();\n\n\t\t\tconst radians = Math.acos( dir.y );\n\n\t\t\tthis.quaternion.setFromAxisAngle( _axis, radians );\n\n\t\t}\n\n\t}\n\n\tsetLength( length, headLength = length * 0.2, headWidth = headLength * 0.2 ) {\n\n\t\tthis.line.scale.set( 1, Math.max( 0.0001, length - headLength ), 1 ); // see #17458\n\t\tthis.line.updateMatrix();\n\n\t\tthis.cone.scale.set( headWidth, headLength, headWidth );\n\t\tthis.cone.position.y = length;\n\t\tthis.cone.updateMatrix();\n\n\t}\n\n\tsetColor( color ) {\n\n\t\tthis.line.material.color.set( color );\n\t\tthis.cone.material.color.set( color );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source, false );\n\n\t\tthis.line.copy( source.line );\n\t\tthis.cone.copy( source.cone );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass AxesHelper extends LineSegments {\n\n\tconstructor( size = 1 ) {\n\n\t\tconst vertices = [\n\t\t\t0, 0, 0,\tsize, 0, 0,\n\t\t\t0, 0, 0,\t0, size, 0,\n\t\t\t0, 0, 0,\t0, 0, size\n\t\t];\n\n\t\tconst colors = [\n\t\t\t1, 0, 0,\t1, 0.6, 0,\n\t\t\t0, 1, 0,\t0.6, 1, 0,\n\t\t\t0, 0, 1,\t0, 0.6, 1\n\t\t];\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'AxesHelper';\n\n\t}\n\n\tsetColors( xAxisColor, yAxisColor, zAxisColor ) {\n\n\t\tconst color = new Color();\n\t\tconst array = this.geometry.attributes.color.array;\n\n\t\tcolor.set( xAxisColor );\n\t\tcolor.toArray( array, 0 );\n\t\tcolor.toArray( array, 3 );\n\n\t\tcolor.set( yAxisColor );\n\t\tcolor.toArray( array, 6 );\n\t\tcolor.toArray( array, 9 );\n\n\t\tcolor.set( zAxisColor );\n\t\tcolor.toArray( array, 12 );\n\t\tcolor.toArray( array, 15 );\n\n\t\tthis.geometry.attributes.color.needsUpdate = true;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\nclass ShapePath {\n\n\tconstructor() {\n\n\t\tthis.type = 'ShapePath';\n\n\t\tthis.color = new Color();\n\n\t\tthis.subPaths = [];\n\t\tthis.currentPath = null;\n\n\t}\n\n\tmoveTo( x, y ) {\n\n\t\tthis.currentPath = new Path();\n\t\tthis.subPaths.push( this.currentPath );\n\t\tthis.currentPath.moveTo( x, y );\n\n\t\treturn this;\n\n\t}\n\n\tlineTo( x, y ) {\n\n\t\tthis.currentPath.lineTo( x, y );\n\n\t\treturn this;\n\n\t}\n\n\tquadraticCurveTo( aCPx, aCPy, aX, aY ) {\n\n\t\tthis.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tbezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\tthis.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tsplineThru( pts ) {\n\n\t\tthis.currentPath.splineThru( pts );\n\n\t\treturn this;\n\n\t}\n\n\ttoShapes( isCCW, noHoles ) {\n\n\t\tfunction toShapesNoHoles( inSubpaths ) {\n\n\t\t\tconst shapes = [];\n\n\t\t\tfor ( let i = 0, l = inSubpaths.length; i < l; i ++ ) {\n\n\t\t\t\tconst tmpPath = inSubpaths[ i ];\n\n\t\t\t\tconst tmpShape = new Shape();\n\t\t\t\ttmpShape.curves = tmpPath.curves;\n\n\t\t\t\tshapes.push( tmpShape );\n\n\t\t\t}\n\n\t\t\treturn shapes;\n\n\t\t}\n\n\t\tfunction isPointInsidePolygon( inPt, inPolygon ) {\n\n\t\t\tconst polyLen = inPolygon.length;\n\n\t\t\t// inPt on polygon contour => immediate success or\n\t\t\t// toggling of inside/outside at every single! intersection point of an edge\n\t\t\t// with the horizontal line through inPt, left of inPt\n\t\t\t// not counting lowerY endpoints of edges and whole edges on that line\n\t\t\tlet inside = false;\n\t\t\tfor ( let p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) {\n\n\t\t\t\tlet edgeLowPt = inPolygon[ p ];\n\t\t\t\tlet edgeHighPt = inPolygon[ q ];\n\n\t\t\t\tlet edgeDx = edgeHighPt.x - edgeLowPt.x;\n\t\t\t\tlet edgeDy = edgeHighPt.y - edgeLowPt.y;\n\n\t\t\t\tif ( Math.abs( edgeDy ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not parallel\n\t\t\t\t\tif ( edgeDy < 0 ) {\n\n\t\t\t\t\t\tedgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx;\n\t\t\t\t\t\tedgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) \t\tcontinue;\n\n\t\t\t\t\tif ( inPt.y === edgeLowPt.y ) {\n\n\t\t\t\t\t\tif ( inPt.x === edgeLowPt.x )\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t// continue;\t\t\t\t// no intersection or edgeLowPt => doesn't count !!!\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y );\n\t\t\t\t\t\tif ( perpEdge === 0 )\t\t\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\tif ( perpEdge < 0 ) \t\t\t\tcontinue;\n\t\t\t\t\t\tinside = ! inside;\t\t// true intersection left of inPt\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// parallel or collinear\n\t\t\t\t\tif ( inPt.y !== edgeLowPt.y ) \t\tcontinue;\t\t\t// parallel\n\t\t\t\t\t// edge lies on the same horizontal line as inPt\n\t\t\t\t\tif ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) ||\n\t\t\t\t\t\t ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) )\t\treturn\ttrue;\t// inPt: Point on contour !\n\t\t\t\t\t// continue;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn\tinside;\n\n\t\t}\n\n\t\tconst isClockWise = ShapeUtils.isClockWise;\n\n\t\tconst subPaths = this.subPaths;\n\t\tif ( subPaths.length === 0 ) return [];\n\n\t\tif ( noHoles === true )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\tlet solid, tmpPath, tmpShape;\n\t\tconst shapes = [];\n\n\t\tif ( subPaths.length === 1 ) {\n\n\t\t\ttmpPath = subPaths[ 0 ];\n\t\t\ttmpShape = new Shape();\n\t\t\ttmpShape.curves = tmpPath.curves;\n\t\t\tshapes.push( tmpShape );\n\t\t\treturn shapes;\n\n\t\t}\n\n\t\tlet holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() );\n\t\tholesFirst = isCCW ? ! holesFirst : holesFirst;\n\n\t\t// console.log(\"Holes first\", holesFirst);\n\n\t\tconst betterShapeHoles = [];\n\t\tconst newShapes = [];\n\t\tlet newShapeHoles = [];\n\t\tlet mainIdx = 0;\n\t\tlet tmpPoints;\n\n\t\tnewShapes[ mainIdx ] = undefined;\n\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\tfor ( let i = 0, l = subPaths.length; i < l; i ++ ) {\n\n\t\t\ttmpPath = subPaths[ i ];\n\t\t\ttmpPoints = tmpPath.getPoints();\n\t\t\tsolid = isClockWise( tmpPoints );\n\t\t\tsolid = isCCW ? ! solid : solid;\n\n\t\t\tif ( solid ) {\n\n\t\t\t\tif ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) )\tmainIdx ++;\n\n\t\t\t\tnewShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints };\n\t\t\t\tnewShapes[ mainIdx ].s.curves = tmpPath.curves;\n\n\t\t\t\tif ( holesFirst )\tmainIdx ++;\n\t\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\t\t//console.log('cw', i);\n\n\t\t\t} else {\n\n\t\t\t\tnewShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } );\n\n\t\t\t\t//console.log('ccw', i);\n\n\t\t\t}\n\n\t\t}\n\n\t\t// only Holes? -> probably all Shapes with wrong orientation\n\t\tif ( ! newShapes[ 0 ] )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\tif ( newShapes.length > 1 ) {\n\n\t\t\tlet ambiguous = false;\n\t\t\tconst toChange = [];\n\n\t\t\tfor ( let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\tbetterShapeHoles[ sIdx ] = [];\n\n\t\t\t}\n\n\t\t\tfor ( let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\tconst sho = newShapeHoles[ sIdx ];\n\n\t\t\t\tfor ( let hIdx = 0; hIdx < sho.length; hIdx ++ ) {\n\n\t\t\t\t\tconst ho = sho[ hIdx ];\n\t\t\t\t\tlet hole_unassigned = true;\n\n\t\t\t\t\tfor ( let s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) {\n\n\t\t\t\t\t\tif ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) {\n\n\t\t\t\t\t\t\tif ( sIdx !== s2Idx )\ttoChange.push( { froms: sIdx, tos: s2Idx, hole: hIdx } );\n\t\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\t\thole_unassigned = false;\n\t\t\t\t\t\t\t\tbetterShapeHoles[ s2Idx ].push( ho );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tambiguous = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\tbetterShapeHoles[ sIdx ].push( ho );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t\t// console.log(\"ambiguous: \", ambiguous);\n\n\t\t\tif ( toChange.length > 0 ) {\n\n\t\t\t\t// console.log(\"to change: \", toChange);\n\t\t\t\tif ( ! ambiguous )\tnewShapeHoles = betterShapeHoles;\n\n\t\t\t}\n\n\t\t}\n\n\t\tlet tmpHoles;\n\n\t\tfor ( let i = 0, il = newShapes.length; i < il; i ++ ) {\n\n\t\t\ttmpShape = newShapes[ i ].s;\n\t\t\tshapes.push( tmpShape );\n\t\t\ttmpHoles = newShapeHoles[ i ];\n\n\t\t\tfor ( let j = 0, jl = tmpHoles.length; j < jl; j ++ ) {\n\n\t\t\t\ttmpShape.holes.push( tmpHoles[ j ].h );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//console.log(\"shape\", shapes);\n\n\t\treturn shapes;\n\n\t}\n\n}\n\nconst _floatView = new Float32Array( 1 );\nconst _int32View = new Int32Array( _floatView.buffer );\n\nclass DataUtils {\n\n\t// Converts float32 to float16 (stored as uint16 value).\n\n\tstatic toHalfFloat( val ) {\n\n\t\tif ( val > 65504 ) {\n\n\t\t\tconsole.warn( 'THREE.DataUtils.toHalfFloat(): value exceeds 65504.' );\n\n\t\t\tval = 65504; // maximum representable value in float16\n\n\t\t}\n\n\t\t// Source: http://gamedev.stackexchange.com/questions/17326/conversion-of-a-number-from-single-precision-floating-point-representation-to-a/17410#17410\n\n\t\t/* This method is faster than the OpenEXR implementation (very often\n\t\t* used, eg. in Ogre), with the additional benefit of rounding, inspired\n\t\t* by James Tursa?s half-precision code. */\n\n\t\t_floatView[ 0 ] = val;\n\t\tconst x = _int32View[ 0 ];\n\n\t\tlet bits = ( x >> 16 ) & 0x8000; /* Get the sign */\n\t\tlet m = ( x >> 12 ) & 0x07ff; /* Keep one extra bit for rounding */\n\t\tconst e = ( x >> 23 ) & 0xff; /* Using int is faster here */\n\n\t\t/* If zero, or denormal, or exponent underflows too much for a denormal\n\t\t\t* half, return signed zero. */\n\t\tif ( e < 103 ) return bits;\n\n\t\t/* If NaN, return NaN. If Inf or exponent overflow, return Inf. */\n\t\tif ( e > 142 ) {\n\n\t\t\tbits |= 0x7c00;\n\t\t\t/* If exponent was 0xff and one mantissa bit was set, it means NaN,\n\t\t\t\t\t\t* not Inf, so make sure we set one mantissa bit too. */\n\t\t\tbits |= ( ( e == 255 ) ? 0 : 1 ) && ( x & 0x007fffff );\n\t\t\treturn bits;\n\n\t\t}\n\n\t\t/* If exponent underflows but not too much, return a denormal */\n\t\tif ( e < 113 ) {\n\n\t\t\tm |= 0x0800;\n\t\t\t/* Extra rounding may overflow and set mantissa to 0 and exponent\n\t\t\t\t* to 1, which is OK. */\n\t\t\tbits |= ( m >> ( 114 - e ) ) + ( ( m >> ( 113 - e ) ) & 1 );\n\t\t\treturn bits;\n\n\t\t}\n\n\t\tbits |= ( ( e - 112 ) << 10 ) | ( m >> 1 );\n\t\t/* Extra rounding. An overflow will set mantissa to 0 and increment\n\t\t\t* the exponent, which is OK. */\n\t\tbits += m & 1;\n\t\treturn bits;\n\n\t}\n\n}\n\nconst LineStrip = 0;\nconst LinePieces = 1;\nconst NoColors = 0;\nconst FaceColors = 1;\nconst VertexColors = 2;\n\nfunction MeshFaceMaterial( materials ) {\n\n\tconsole.warn( 'THREE.MeshFaceMaterial has been removed. Use an Array instead.' );\n\treturn materials;\n\n}\n\nfunction MultiMaterial( materials = [] ) {\n\n\tconsole.warn( 'THREE.MultiMaterial has been removed. Use an Array instead.' );\n\tmaterials.isMultiMaterial = true;\n\tmaterials.materials = materials;\n\tmaterials.clone = function () {\n\n\t\treturn materials.slice();\n\n\t};\n\n\treturn materials;\n\n}\n\nfunction PointCloud( geometry, material ) {\n\n\tconsole.warn( 'THREE.PointCloud has been renamed to THREE.Points.' );\n\treturn new Points( geometry, material );\n\n}\n\nfunction Particle( material ) {\n\n\tconsole.warn( 'THREE.Particle has been renamed to THREE.Sprite.' );\n\treturn new Sprite( material );\n\n}\n\nfunction ParticleSystem( geometry, material ) {\n\n\tconsole.warn( 'THREE.ParticleSystem has been renamed to THREE.Points.' );\n\treturn new Points( geometry, material );\n\n}\n\nfunction PointCloudMaterial( parameters ) {\n\n\tconsole.warn( 'THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial.' );\n\treturn new PointsMaterial( parameters );\n\n}\n\nfunction ParticleBasicMaterial( parameters ) {\n\n\tconsole.warn( 'THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial.' );\n\treturn new PointsMaterial( parameters );\n\n}\n\nfunction ParticleSystemMaterial( parameters ) {\n\n\tconsole.warn( 'THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial.' );\n\treturn new PointsMaterial( parameters );\n\n}\n\nfunction Vertex( x, y, z ) {\n\n\tconsole.warn( 'THREE.Vertex has been removed. Use THREE.Vector3 instead.' );\n\treturn new Vector3( x, y, z );\n\n}\n\n//\n\nfunction DynamicBufferAttribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setUsage( THREE.DynamicDrawUsage ) instead.' );\n\treturn new BufferAttribute( array, itemSize ).setUsage( DynamicDrawUsage );\n\n}\n\nfunction Int8Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Int8Attribute has been removed. Use new THREE.Int8BufferAttribute() instead.' );\n\treturn new Int8BufferAttribute( array, itemSize );\n\n}\n\nfunction Uint8Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Uint8Attribute has been removed. Use new THREE.Uint8BufferAttribute() instead.' );\n\treturn new Uint8BufferAttribute( array, itemSize );\n\n}\n\nfunction Uint8ClampedAttribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Uint8ClampedAttribute has been removed. Use new THREE.Uint8ClampedBufferAttribute() instead.' );\n\treturn new Uint8ClampedBufferAttribute( array, itemSize );\n\n}\n\nfunction Int16Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Int16Attribute has been removed. Use new THREE.Int16BufferAttribute() instead.' );\n\treturn new Int16BufferAttribute( array, itemSize );\n\n}\n\nfunction Uint16Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Uint16Attribute has been removed. Use new THREE.Uint16BufferAttribute() instead.' );\n\treturn new Uint16BufferAttribute( array, itemSize );\n\n}\n\nfunction Int32Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Int32Attribute has been removed. Use new THREE.Int32BufferAttribute() instead.' );\n\treturn new Int32BufferAttribute( array, itemSize );\n\n}\n\nfunction Uint32Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Uint32Attribute has been removed. Use new THREE.Uint32BufferAttribute() instead.' );\n\treturn new Uint32BufferAttribute( array, itemSize );\n\n}\n\nfunction Float32Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Float32Attribute has been removed. Use new THREE.Float32BufferAttribute() instead.' );\n\treturn new Float32BufferAttribute( array, itemSize );\n\n}\n\nfunction Float64Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Float64Attribute has been removed. Use new THREE.Float64BufferAttribute() instead.' );\n\treturn new Float64BufferAttribute( array, itemSize );\n\n}\n\n//\n\nCurve.create = function ( construct, getPoint ) {\n\n\tconsole.log( 'THREE.Curve.create() has been deprecated' );\n\n\tconstruct.prototype = Object.create( Curve.prototype );\n\tconstruct.prototype.constructor = construct;\n\tconstruct.prototype.getPoint = getPoint;\n\n\treturn construct;\n\n};\n\n//\n\nPath.prototype.fromPoints = function ( points ) {\n\n\tconsole.warn( 'THREE.Path: .fromPoints() has been renamed to .setFromPoints().' );\n\treturn this.setFromPoints( points );\n\n};\n\n//\n\nfunction AxisHelper( size ) {\n\n\tconsole.warn( 'THREE.AxisHelper has been renamed to THREE.AxesHelper.' );\n\treturn new AxesHelper( size );\n\n}\n\nfunction BoundingBoxHelper( object, color ) {\n\n\tconsole.warn( 'THREE.BoundingBoxHelper has been deprecated. Creating a THREE.BoxHelper instead.' );\n\treturn new BoxHelper( object, color );\n\n}\n\nfunction EdgesHelper( object, hex ) {\n\n\tconsole.warn( 'THREE.EdgesHelper has been removed. Use THREE.EdgesGeometry instead.' );\n\treturn new LineSegments( new EdgesGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\n}\n\nGridHelper.prototype.setColors = function () {\n\n\tconsole.error( 'THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.' );\n\n};\n\nSkeletonHelper.prototype.update = function () {\n\n\tconsole.error( 'THREE.SkeletonHelper: update() no longer needs to be called.' );\n\n};\n\nfunction WireframeHelper( object, hex ) {\n\n\tconsole.warn( 'THREE.WireframeHelper has been removed. Use THREE.WireframeGeometry instead.' );\n\treturn new LineSegments( new WireframeGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\n}\n\n//\n\nLoader.prototype.extractUrlBase = function ( url ) {\n\n\tconsole.warn( 'THREE.Loader: .extractUrlBase() has been deprecated. Use THREE.LoaderUtils.extractUrlBase() instead.' );\n\treturn LoaderUtils.extractUrlBase( url );\n\n};\n\nLoader.Handlers = {\n\n\tadd: function ( /* regex, loader */ ) {\n\n\t\tconsole.error( 'THREE.Loader: Handlers.add() has been removed. Use LoadingManager.addHandler() instead.' );\n\n\t},\n\n\tget: function ( /* file */ ) {\n\n\t\tconsole.error( 'THREE.Loader: Handlers.get() has been removed. Use LoadingManager.getHandler() instead.' );\n\n\t}\n\n};\n\nfunction XHRLoader( manager ) {\n\n\tconsole.warn( 'THREE.XHRLoader has been renamed to THREE.FileLoader.' );\n\treturn new FileLoader( manager );\n\n}\n\nfunction BinaryTextureLoader( manager ) {\n\n\tconsole.warn( 'THREE.BinaryTextureLoader has been renamed to THREE.DataTextureLoader.' );\n\treturn new DataTextureLoader( manager );\n\n}\n\n//\n\nBox2.prototype.center = function ( optionalTarget ) {\n\n\tconsole.warn( 'THREE.Box2: .center() has been renamed to .getCenter().' );\n\treturn this.getCenter( optionalTarget );\n\n};\n\nBox2.prototype.empty = function () {\n\n\tconsole.warn( 'THREE.Box2: .empty() has been renamed to .isEmpty().' );\n\treturn this.isEmpty();\n\n};\n\nBox2.prototype.isIntersectionBox = function ( box ) {\n\n\tconsole.warn( 'THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\treturn this.intersectsBox( box );\n\n};\n\nBox2.prototype.size = function ( optionalTarget ) {\n\n\tconsole.warn( 'THREE.Box2: .size() has been renamed to .getSize().' );\n\treturn this.getSize( optionalTarget );\n\n};\n\n//\n\nBox3.prototype.center = function ( optionalTarget ) {\n\n\tconsole.warn( 'THREE.Box3: .center() has been renamed to .getCenter().' );\n\treturn this.getCenter( optionalTarget );\n\n};\n\nBox3.prototype.empty = function () {\n\n\tconsole.warn( 'THREE.Box3: .empty() has been renamed to .isEmpty().' );\n\treturn this.isEmpty();\n\n};\n\nBox3.prototype.isIntersectionBox = function ( box ) {\n\n\tconsole.warn( 'THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\treturn this.intersectsBox( box );\n\n};\n\nBox3.prototype.isIntersectionSphere = function ( sphere ) {\n\n\tconsole.warn( 'THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\treturn this.intersectsSphere( sphere );\n\n};\n\nBox3.prototype.size = function ( optionalTarget ) {\n\n\tconsole.warn( 'THREE.Box3: .size() has been renamed to .getSize().' );\n\treturn this.getSize( optionalTarget );\n\n};\n\n//\n\nSphere.prototype.empty = function () {\n\n\tconsole.warn( 'THREE.Sphere: .empty() has been renamed to .isEmpty().' );\n\treturn this.isEmpty();\n\n};\n\n//\n\nFrustum.prototype.setFromMatrix = function ( m ) {\n\n\tconsole.warn( 'THREE.Frustum: .setFromMatrix() has been renamed to .setFromProjectionMatrix().' );\n\treturn this.setFromProjectionMatrix( m );\n\n};\n\n//\n\nLine3.prototype.center = function ( optionalTarget ) {\n\n\tconsole.warn( 'THREE.Line3: .center() has been renamed to .getCenter().' );\n\treturn this.getCenter( optionalTarget );\n\n};\n\n//\n\nMatrix3.prototype.flattenToArrayOffset = function ( array, offset ) {\n\n\tconsole.warn( 'THREE.Matrix3: .flattenToArrayOffset() has been deprecated. Use .toArray() instead.' );\n\treturn this.toArray( array, offset );\n\n};\n\nMatrix3.prototype.multiplyVector3 = function ( vector ) {\n\n\tconsole.warn( 'THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead.' );\n\treturn vector.applyMatrix3( this );\n\n};\n\nMatrix3.prototype.multiplyVector3Array = function ( /* a */ ) {\n\n\tconsole.error( 'THREE.Matrix3: .multiplyVector3Array() has been removed.' );\n\n};\n\nMatrix3.prototype.applyToBufferAttribute = function ( attribute ) {\n\n\tconsole.warn( 'THREE.Matrix3: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix3( matrix ) instead.' );\n\treturn attribute.applyMatrix3( this );\n\n};\n\nMatrix3.prototype.applyToVector3Array = function ( /* array, offset, length */ ) {\n\n\tconsole.error( 'THREE.Matrix3: .applyToVector3Array() has been removed.' );\n\n};\n\nMatrix3.prototype.getInverse = function ( matrix ) {\n\n\tconsole.warn( 'THREE.Matrix3: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead.' );\n\treturn this.copy( matrix ).invert();\n\n};\n\n//\n\nMatrix4.prototype.extractPosition = function ( m ) {\n\n\tconsole.warn( 'THREE.Matrix4: .extractPosition() has been renamed to .copyPosition().' );\n\treturn this.copyPosition( m );\n\n};\n\nMatrix4.prototype.flattenToArrayOffset = function ( array, offset ) {\n\n\tconsole.warn( 'THREE.Matrix4: .flattenToArrayOffset() has been deprecated. Use .toArray() instead.' );\n\treturn this.toArray( array, offset );\n\n};\n\nMatrix4.prototype.getPosition = function () {\n\n\tconsole.warn( 'THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead.' );\n\treturn new Vector3().setFromMatrixColumn( this, 3 );\n\n};\n\nMatrix4.prototype.setRotationFromQuaternion = function ( q ) {\n\n\tconsole.warn( 'THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion().' );\n\treturn this.makeRotationFromQuaternion( q );\n\n};\n\nMatrix4.prototype.multiplyToArray = function () {\n\n\tconsole.warn( 'THREE.Matrix4: .multiplyToArray() has been removed.' );\n\n};\n\nMatrix4.prototype.multiplyVector3 = function ( vector ) {\n\n\tconsole.warn( 'THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\treturn vector.applyMatrix4( this );\n\n};\n\nMatrix4.prototype.multiplyVector4 = function ( vector ) {\n\n\tconsole.warn( 'THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\treturn vector.applyMatrix4( this );\n\n};\n\nMatrix4.prototype.multiplyVector3Array = function ( /* a */ ) {\n\n\tconsole.error( 'THREE.Matrix4: .multiplyVector3Array() has been removed.' );\n\n};\n\nMatrix4.prototype.rotateAxis = function ( v ) {\n\n\tconsole.warn( 'THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead.' );\n\tv.transformDirection( this );\n\n};\n\nMatrix4.prototype.crossVector = function ( vector ) {\n\n\tconsole.warn( 'THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\treturn vector.applyMatrix4( this );\n\n};\n\nMatrix4.prototype.translate = function () {\n\n\tconsole.error( 'THREE.Matrix4: .translate() has been removed.' );\n\n};\n\nMatrix4.prototype.rotateX = function () {\n\n\tconsole.error( 'THREE.Matrix4: .rotateX() has been removed.' );\n\n};\n\nMatrix4.prototype.rotateY = function () {\n\n\tconsole.error( 'THREE.Matrix4: .rotateY() has been removed.' );\n\n};\n\nMatrix4.prototype.rotateZ = function () {\n\n\tconsole.error( 'THREE.Matrix4: .rotateZ() has been removed.' );\n\n};\n\nMatrix4.prototype.rotateByAxis = function () {\n\n\tconsole.error( 'THREE.Matrix4: .rotateByAxis() has been removed.' );\n\n};\n\nMatrix4.prototype.applyToBufferAttribute = function ( attribute ) {\n\n\tconsole.warn( 'THREE.Matrix4: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix4( matrix ) instead.' );\n\treturn attribute.applyMatrix4( this );\n\n};\n\nMatrix4.prototype.applyToVector3Array = function ( /* array, offset, length */ ) {\n\n\tconsole.error( 'THREE.Matrix4: .applyToVector3Array() has been removed.' );\n\n};\n\nMatrix4.prototype.makeFrustum = function ( left, right, bottom, top, near, far ) {\n\n\tconsole.warn( 'THREE.Matrix4: .makeFrustum() has been removed. Use .makePerspective( left, right, top, bottom, near, far ) instead.' );\n\treturn this.makePerspective( left, right, top, bottom, near, far );\n\n};\n\nMatrix4.prototype.getInverse = function ( matrix ) {\n\n\tconsole.warn( 'THREE.Matrix4: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead.' );\n\treturn this.copy( matrix ).invert();\n\n};\n\n//\n\nPlane.prototype.isIntersectionLine = function ( line ) {\n\n\tconsole.warn( 'THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine().' );\n\treturn this.intersectsLine( line );\n\n};\n\n//\n\nQuaternion.prototype.multiplyVector3 = function ( vector ) {\n\n\tconsole.warn( 'THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead.' );\n\treturn vector.applyQuaternion( this );\n\n};\n\nQuaternion.prototype.inverse = function ( ) {\n\n\tconsole.warn( 'THREE.Quaternion: .inverse() has been renamed to invert().' );\n\treturn this.invert();\n\n};\n\n//\n\nRay.prototype.isIntersectionBox = function ( box ) {\n\n\tconsole.warn( 'THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\treturn this.intersectsBox( box );\n\n};\n\nRay.prototype.isIntersectionPlane = function ( plane ) {\n\n\tconsole.warn( 'THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane().' );\n\treturn this.intersectsPlane( plane );\n\n};\n\nRay.prototype.isIntersectionSphere = function ( sphere ) {\n\n\tconsole.warn( 'THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\treturn this.intersectsSphere( sphere );\n\n};\n\n//\n\nTriangle.prototype.area = function () {\n\n\tconsole.warn( 'THREE.Triangle: .area() has been renamed to .getArea().' );\n\treturn this.getArea();\n\n};\n\nTriangle.prototype.barycoordFromPoint = function ( point, target ) {\n\n\tconsole.warn( 'THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord().' );\n\treturn this.getBarycoord( point, target );\n\n};\n\nTriangle.prototype.midpoint = function ( target ) {\n\n\tconsole.warn( 'THREE.Triangle: .midpoint() has been renamed to .getMidpoint().' );\n\treturn this.getMidpoint( target );\n\n};\n\nTriangle.prototypenormal = function ( target ) {\n\n\tconsole.warn( 'THREE.Triangle: .normal() has been renamed to .getNormal().' );\n\treturn this.getNormal( target );\n\n};\n\nTriangle.prototype.plane = function ( target ) {\n\n\tconsole.warn( 'THREE.Triangle: .plane() has been renamed to .getPlane().' );\n\treturn this.getPlane( target );\n\n};\n\nTriangle.barycoordFromPoint = function ( point, a, b, c, target ) {\n\n\tconsole.warn( 'THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord().' );\n\treturn Triangle.getBarycoord( point, a, b, c, target );\n\n};\n\nTriangle.normal = function ( a, b, c, target ) {\n\n\tconsole.warn( 'THREE.Triangle: .normal() has been renamed to .getNormal().' );\n\treturn Triangle.getNormal( a, b, c, target );\n\n};\n\n//\n\nShape.prototype.extractAllPoints = function ( divisions ) {\n\n\tconsole.warn( 'THREE.Shape: .extractAllPoints() has been removed. Use .extractPoints() instead.' );\n\treturn this.extractPoints( divisions );\n\n};\n\nShape.prototype.extrude = function ( options ) {\n\n\tconsole.warn( 'THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead.' );\n\treturn new ExtrudeGeometry( this, options );\n\n};\n\nShape.prototype.makeGeometry = function ( options ) {\n\n\tconsole.warn( 'THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead.' );\n\treturn new ShapeGeometry( this, options );\n\n};\n\n//\n\nVector2.prototype.fromAttribute = function ( attribute, index, offset ) {\n\n\tconsole.warn( 'THREE.Vector2: .fromAttribute() has been renamed to .fromBufferAttribute().' );\n\treturn this.fromBufferAttribute( attribute, index, offset );\n\n};\n\nVector2.prototype.distanceToManhattan = function ( v ) {\n\n\tconsole.warn( 'THREE.Vector2: .distanceToManhattan() has been renamed to .manhattanDistanceTo().' );\n\treturn this.manhattanDistanceTo( v );\n\n};\n\nVector2.prototype.lengthManhattan = function () {\n\n\tconsole.warn( 'THREE.Vector2: .lengthManhattan() has been renamed to .manhattanLength().' );\n\treturn this.manhattanLength();\n\n};\n\n//\n\nVector3.prototype.setEulerFromRotationMatrix = function () {\n\n\tconsole.error( 'THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.' );\n\n};\n\nVector3.prototype.setEulerFromQuaternion = function () {\n\n\tconsole.error( 'THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.' );\n\n};\n\nVector3.prototype.getPositionFromMatrix = function ( m ) {\n\n\tconsole.warn( 'THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition().' );\n\treturn this.setFromMatrixPosition( m );\n\n};\n\nVector3.prototype.getScaleFromMatrix = function ( m ) {\n\n\tconsole.warn( 'THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale().' );\n\treturn this.setFromMatrixScale( m );\n\n};\n\nVector3.prototype.getColumnFromMatrix = function ( index, matrix ) {\n\n\tconsole.warn( 'THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn().' );\n\treturn this.setFromMatrixColumn( matrix, index );\n\n};\n\nVector3.prototype.applyProjection = function ( m ) {\n\n\tconsole.warn( 'THREE.Vector3: .applyProjection() has been removed. Use .applyMatrix4( m ) instead.' );\n\treturn this.applyMatrix4( m );\n\n};\n\nVector3.prototype.fromAttribute = function ( attribute, index, offset ) {\n\n\tconsole.warn( 'THREE.Vector3: .fromAttribute() has been renamed to .fromBufferAttribute().' );\n\treturn this.fromBufferAttribute( attribute, index, offset );\n\n};\n\nVector3.prototype.distanceToManhattan = function ( v ) {\n\n\tconsole.warn( 'THREE.Vector3: .distanceToManhattan() has been renamed to .manhattanDistanceTo().' );\n\treturn this.manhattanDistanceTo( v );\n\n};\n\nVector3.prototype.lengthManhattan = function () {\n\n\tconsole.warn( 'THREE.Vector3: .lengthManhattan() has been renamed to .manhattanLength().' );\n\treturn this.manhattanLength();\n\n};\n\n//\n\nVector4.prototype.fromAttribute = function ( attribute, index, offset ) {\n\n\tconsole.warn( 'THREE.Vector4: .fromAttribute() has been renamed to .fromBufferAttribute().' );\n\treturn this.fromBufferAttribute( attribute, index, offset );\n\n};\n\nVector4.prototype.lengthManhattan = function () {\n\n\tconsole.warn( 'THREE.Vector4: .lengthManhattan() has been renamed to .manhattanLength().' );\n\treturn this.manhattanLength();\n\n};\n\n//\n\nObject3D.prototype.getChildByName = function ( name ) {\n\n\tconsole.warn( 'THREE.Object3D: .getChildByName() has been renamed to .getObjectByName().' );\n\treturn this.getObjectByName( name );\n\n};\n\nObject3D.prototype.renderDepth = function () {\n\n\tconsole.warn( 'THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.' );\n\n};\n\nObject3D.prototype.translate = function ( distance, axis ) {\n\n\tconsole.warn( 'THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead.' );\n\treturn this.translateOnAxis( axis, distance );\n\n};\n\nObject3D.prototype.getWorldRotation = function () {\n\n\tconsole.error( 'THREE.Object3D: .getWorldRotation() has been removed. Use THREE.Object3D.getWorldQuaternion( target ) instead.' );\n\n};\n\nObject3D.prototype.applyMatrix = function ( matrix ) {\n\n\tconsole.warn( 'THREE.Object3D: .applyMatrix() has been renamed to .applyMatrix4().' );\n\treturn this.applyMatrix4( matrix );\n\n};\n\nObject.defineProperties( Object3D.prototype, {\n\n\teulerOrder: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\treturn this.rotation.order;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\tthis.rotation.order = value;\n\n\t\t}\n\t},\n\tuseQuaternion: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\n\t\t}\n\t}\n\n} );\n\nMesh.prototype.setDrawMode = function () {\n\n\tconsole.error( 'THREE.Mesh: .setDrawMode() has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.' );\n\n};\n\nObject.defineProperties( Mesh.prototype, {\n\n\tdrawMode: {\n\t\tget: function () {\n\n\t\t\tconsole.error( 'THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode.' );\n\t\t\treturn TrianglesDrawMode;\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.error( 'THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.' );\n\n\t\t}\n\t}\n\n} );\n\nSkinnedMesh.prototype.initBones = function () {\n\n\tconsole.error( 'THREE.SkinnedMesh: initBones() has been removed.' );\n\n};\n\n//\n\nPerspectiveCamera.prototype.setLens = function ( focalLength, filmGauge ) {\n\n\tconsole.warn( 'THREE.PerspectiveCamera.setLens is deprecated. ' +\n\t\t\t'Use .setFocalLength and .filmGauge for a photographic setup.' );\n\n\tif ( filmGauge !== undefined ) this.filmGauge = filmGauge;\n\tthis.setFocalLength( focalLength );\n\n};\n\n//\n\nObject.defineProperties( Light.prototype, {\n\tonlyShadow: {\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Light: .onlyShadow has been removed.' );\n\n\t\t}\n\t},\n\tshadowCameraFov: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFov is now .shadow.camera.fov.' );\n\t\t\tthis.shadow.camera.fov = value;\n\n\t\t}\n\t},\n\tshadowCameraLeft: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraLeft is now .shadow.camera.left.' );\n\t\t\tthis.shadow.camera.left = value;\n\n\t\t}\n\t},\n\tshadowCameraRight: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraRight is now .shadow.camera.right.' );\n\t\t\tthis.shadow.camera.right = value;\n\n\t\t}\n\t},\n\tshadowCameraTop: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraTop is now .shadow.camera.top.' );\n\t\t\tthis.shadow.camera.top = value;\n\n\t\t}\n\t},\n\tshadowCameraBottom: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom.' );\n\t\t\tthis.shadow.camera.bottom = value;\n\n\t\t}\n\t},\n\tshadowCameraNear: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraNear is now .shadow.camera.near.' );\n\t\t\tthis.shadow.camera.near = value;\n\n\t\t}\n\t},\n\tshadowCameraFar: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFar is now .shadow.camera.far.' );\n\t\t\tthis.shadow.camera.far = value;\n\n\t\t}\n\t},\n\tshadowCameraVisible: {\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.' );\n\n\t\t}\n\t},\n\tshadowBias: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowBias is now .shadow.bias.' );\n\t\t\tthis.shadow.bias = value;\n\n\t\t}\n\t},\n\tshadowDarkness: {\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowDarkness has been removed.' );\n\n\t\t}\n\t},\n\tshadowMapWidth: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowMapWidth is now .shadow.mapSize.width.' );\n\t\t\tthis.shadow.mapSize.width = value;\n\n\t\t}\n\t},\n\tshadowMapHeight: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowMapHeight is now .shadow.mapSize.height.' );\n\t\t\tthis.shadow.mapSize.height = value;\n\n\t\t}\n\t}\n} );\n\n//\n\nObject.defineProperties( BufferAttribute.prototype, {\n\n\tlength: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.BufferAttribute: .length has been deprecated. Use .count instead.' );\n\t\t\treturn this.array.length;\n\n\t\t}\n\t},\n\tdynamic: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead.' );\n\t\t\treturn this.usage === DynamicDrawUsage;\n\n\t\t},\n\t\tset: function ( /* value */ ) {\n\n\t\t\tconsole.warn( 'THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead.' );\n\t\t\tthis.setUsage( DynamicDrawUsage );\n\n\t\t}\n\t}\n\n} );\n\nBufferAttribute.prototype.setDynamic = function ( value ) {\n\n\tconsole.warn( 'THREE.BufferAttribute: .setDynamic() has been deprecated. Use .setUsage() instead.' );\n\tthis.setUsage( value === true ? DynamicDrawUsage : StaticDrawUsage );\n\treturn this;\n\n};\n\nBufferAttribute.prototype.copyIndicesArray = function ( /* indices */ ) {\n\n\tconsole.error( 'THREE.BufferAttribute: .copyIndicesArray() has been removed.' );\n\n},\n\nBufferAttribute.prototype.setArray = function ( /* array */ ) {\n\n\tconsole.error( 'THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers' );\n\n};\n\n//\n\nBufferGeometry.prototype.addIndex = function ( index ) {\n\n\tconsole.warn( 'THREE.BufferGeometry: .addIndex() has been renamed to .setIndex().' );\n\tthis.setIndex( index );\n\n};\n\nBufferGeometry.prototype.addAttribute = function ( name, attribute ) {\n\n\tconsole.warn( 'THREE.BufferGeometry: .addAttribute() has been renamed to .setAttribute().' );\n\n\tif ( ! ( attribute && attribute.isBufferAttribute ) && ! ( attribute && attribute.isInterleavedBufferAttribute ) ) {\n\n\t\tconsole.warn( 'THREE.BufferGeometry: .addAttribute() now expects ( name, attribute ).' );\n\n\t\treturn this.setAttribute( name, new BufferAttribute( arguments[ 1 ], arguments[ 2 ] ) );\n\n\t}\n\n\tif ( name === 'index' ) {\n\n\t\tconsole.warn( 'THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute.' );\n\t\tthis.setIndex( attribute );\n\n\t\treturn this;\n\n\t}\n\n\treturn this.setAttribute( name, attribute );\n\n};\n\nBufferGeometry.prototype.addDrawCall = function ( start, count, indexOffset ) {\n\n\tif ( indexOffset !== undefined ) {\n\n\t\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset.' );\n\n\t}\n\n\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() is now .addGroup().' );\n\tthis.addGroup( start, count );\n\n};\n\nBufferGeometry.prototype.clearDrawCalls = function () {\n\n\tconsole.warn( 'THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups().' );\n\tthis.clearGroups();\n\n};\n\nBufferGeometry.prototype.computeOffsets = function () {\n\n\tconsole.warn( 'THREE.BufferGeometry: .computeOffsets() has been removed.' );\n\n};\n\nBufferGeometry.prototype.removeAttribute = function ( name ) {\n\n\tconsole.warn( 'THREE.BufferGeometry: .removeAttribute() has been renamed to .deleteAttribute().' );\n\n\treturn this.deleteAttribute( name );\n\n};\n\nBufferGeometry.prototype.applyMatrix = function ( matrix ) {\n\n\tconsole.warn( 'THREE.BufferGeometry: .applyMatrix() has been renamed to .applyMatrix4().' );\n\treturn this.applyMatrix4( matrix );\n\n};\n\nObject.defineProperties( BufferGeometry.prototype, {\n\n\tdrawcalls: {\n\t\tget: function () {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry: .drawcalls has been renamed to .groups.' );\n\t\t\treturn this.groups;\n\n\t\t}\n\t},\n\toffsets: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .offsets has been renamed to .groups.' );\n\t\t\treturn this.groups;\n\n\t\t}\n\t}\n\n} );\n\nInterleavedBuffer.prototype.setDynamic = function ( value ) {\n\n\tconsole.warn( 'THREE.InterleavedBuffer: .setDynamic() has been deprecated. Use .setUsage() instead.' );\n\tthis.setUsage( value === true ? DynamicDrawUsage : StaticDrawUsage );\n\treturn this;\n\n};\n\nInterleavedBuffer.prototype.setArray = function ( /* array */ ) {\n\n\tconsole.error( 'THREE.InterleavedBuffer: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers' );\n\n};\n\n//\n\nExtrudeGeometry.prototype.getArrays = function () {\n\n\tconsole.error( 'THREE.ExtrudeGeometry: .getArrays() has been removed.' );\n\n};\n\nExtrudeGeometry.prototype.addShapeList = function () {\n\n\tconsole.error( 'THREE.ExtrudeGeometry: .addShapeList() has been removed.' );\n\n};\n\nExtrudeGeometry.prototype.addShape = function () {\n\n\tconsole.error( 'THREE.ExtrudeGeometry: .addShape() has been removed.' );\n\n};\n\n//\n\nScene.prototype.dispose = function () {\n\n\tconsole.error( 'THREE.Scene: .dispose() has been removed.' );\n\n};\n\n//\n\nUniform.prototype.onUpdate = function () {\n\n\tconsole.warn( 'THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead.' );\n\treturn this;\n\n};\n\n//\n\nObject.defineProperties( Material.prototype, {\n\n\twrapAround: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.Material: .wrapAround has been removed.' );\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Material: .wrapAround has been removed.' );\n\n\t\t}\n\t},\n\n\toverdraw: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.Material: .overdraw has been removed.' );\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Material: .overdraw has been removed.' );\n\n\t\t}\n\t},\n\n\twrapRGB: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.Material: .wrapRGB has been removed.' );\n\t\t\treturn new Color();\n\n\t\t}\n\t},\n\n\tshading: {\n\t\tget: function () {\n\n\t\t\tconsole.error( 'THREE.' + this.type + ': .shading has been removed. Use the boolean .flatShading instead.' );\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.' + this.type + ': .shading has been removed. Use the boolean .flatShading instead.' );\n\t\t\tthis.flatShading = ( value === FlatShading );\n\n\t\t}\n\t},\n\n\tstencilMask: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.' + this.type + ': .stencilMask has been removed. Use .stencilFuncMask instead.' );\n\t\t\treturn this.stencilFuncMask;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.' + this.type + ': .stencilMask has been removed. Use .stencilFuncMask instead.' );\n\t\t\tthis.stencilFuncMask = value;\n\n\t\t}\n\t},\n\n\tvertexTangents: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.' + this.type + ': .vertexTangents has been removed.' );\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.' + this.type + ': .vertexTangents has been removed.' );\n\n\t\t}\n\t},\n\n} );\n\nObject.defineProperties( ShaderMaterial.prototype, {\n\n\tderivatives: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\treturn this.extensions.derivatives;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\tthis.extensions.derivatives = value;\n\n\t\t}\n\t}\n\n} );\n\n//\n\nWebGLRenderer.prototype.clearTarget = function ( renderTarget, color, depth, stencil ) {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .clearTarget() has been deprecated. Use .setRenderTarget() and .clear() instead.' );\n\tthis.setRenderTarget( renderTarget );\n\tthis.clear( color, depth, stencil );\n\n};\n\nWebGLRenderer.prototype.animate = function ( callback ) {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .animate() is now .setAnimationLoop().' );\n\tthis.setAnimationLoop( callback );\n\n};\n\nWebGLRenderer.prototype.getCurrentRenderTarget = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .getCurrentRenderTarget() is now .getRenderTarget().' );\n\treturn this.getRenderTarget();\n\n};\n\nWebGLRenderer.prototype.getMaxAnisotropy = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .getMaxAnisotropy() is now .capabilities.getMaxAnisotropy().' );\n\treturn this.capabilities.getMaxAnisotropy();\n\n};\n\nWebGLRenderer.prototype.getPrecision = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .getPrecision() is now .capabilities.precision.' );\n\treturn this.capabilities.precision;\n\n};\n\nWebGLRenderer.prototype.resetGLState = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .resetGLState() is now .state.reset().' );\n\treturn this.state.reset();\n\n};\n\nWebGLRenderer.prototype.supportsFloatTextures = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( \\'OES_texture_float\\' ).' );\n\treturn this.extensions.get( 'OES_texture_float' );\n\n};\n\nWebGLRenderer.prototype.supportsHalfFloatTextures = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( \\'OES_texture_half_float\\' ).' );\n\treturn this.extensions.get( 'OES_texture_half_float' );\n\n};\n\nWebGLRenderer.prototype.supportsStandardDerivatives = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( \\'OES_standard_derivatives\\' ).' );\n\treturn this.extensions.get( 'OES_standard_derivatives' );\n\n};\n\nWebGLRenderer.prototype.supportsCompressedTextureS3TC = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( \\'WEBGL_compressed_texture_s3tc\\' ).' );\n\treturn this.extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\n};\n\nWebGLRenderer.prototype.supportsCompressedTexturePVRTC = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( \\'WEBGL_compressed_texture_pvrtc\\' ).' );\n\treturn this.extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\n};\n\nWebGLRenderer.prototype.supportsBlendMinMax = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( \\'EXT_blend_minmax\\' ).' );\n\treturn this.extensions.get( 'EXT_blend_minmax' );\n\n};\n\nWebGLRenderer.prototype.supportsVertexTextures = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsVertexTextures() is now .capabilities.vertexTextures.' );\n\treturn this.capabilities.vertexTextures;\n\n};\n\nWebGLRenderer.prototype.supportsInstancedArrays = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( \\'ANGLE_instanced_arrays\\' ).' );\n\treturn this.extensions.get( 'ANGLE_instanced_arrays' );\n\n};\n\nWebGLRenderer.prototype.enableScissorTest = function ( boolean ) {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest().' );\n\tthis.setScissorTest( boolean );\n\n};\n\nWebGLRenderer.prototype.initMaterial = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .initMaterial() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.addPrePlugin = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .addPrePlugin() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.addPostPlugin = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .addPostPlugin() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.updateShadowMap = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .updateShadowMap() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.setFaceCulling = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .setFaceCulling() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.allocTextureUnit = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .allocTextureUnit() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.setTexture = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .setTexture() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.setTexture2D = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .setTexture2D() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.setTextureCube = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .setTextureCube() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.getActiveMipMapLevel = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .getActiveMipMapLevel() is now .getActiveMipmapLevel().' );\n\treturn this.getActiveMipmapLevel();\n\n};\n\nObject.defineProperties( WebGLRenderer.prototype, {\n\n\tshadowMapEnabled: {\n\t\tget: function () {\n\n\t\t\treturn this.shadowMap.enabled;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled.' );\n\t\t\tthis.shadowMap.enabled = value;\n\n\t\t}\n\t},\n\tshadowMapType: {\n\t\tget: function () {\n\n\t\t\treturn this.shadowMap.type;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type.' );\n\t\t\tthis.shadowMap.type = value;\n\n\t\t}\n\t},\n\tshadowMapCullFace: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.' );\n\t\t\treturn undefined;\n\n\t\t},\n\t\tset: function ( /* value */ ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.' );\n\n\t\t}\n\t},\n\tcontext: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .context has been removed. Use .getContext() instead.' );\n\t\t\treturn this.getContext();\n\n\t\t}\n\t},\n\tvr: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .vr has been renamed to .xr' );\n\t\t\treturn this.xr;\n\n\t\t}\n\t},\n\tgammaInput: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead.' );\n\t\t\treturn false;\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead.' );\n\n\t\t}\n\t},\n\tgammaOutput: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead.' );\n\t\t\treturn false;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead.' );\n\t\t\tthis.outputEncoding = ( value === true ) ? sRGBEncoding : LinearEncoding;\n\n\t\t}\n\t},\n\ttoneMappingWhitePoint: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .toneMappingWhitePoint has been removed.' );\n\t\t\treturn 1.0;\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .toneMappingWhitePoint has been removed.' );\n\n\t\t}\n\t},\n\n} );\n\nObject.defineProperties( WebGLShadowMap.prototype, {\n\n\tcullFace: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.' );\n\t\t\treturn undefined;\n\n\t\t},\n\t\tset: function ( /* cullFace */ ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.' );\n\n\t\t}\n\t},\n\trenderReverseSided: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.' );\n\t\t\treturn undefined;\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.' );\n\n\t\t}\n\t},\n\trenderSingleSided: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.' );\n\t\t\treturn undefined;\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.' );\n\n\t\t}\n\t}\n\n} );\n\nfunction WebGLRenderTargetCube( width, height, options ) {\n\n\tconsole.warn( 'THREE.WebGLRenderTargetCube( width, height, options ) is now WebGLCubeRenderTarget( size, options ).' );\n\treturn new WebGLCubeRenderTarget( width, options );\n\n}\n\n//\n\nObject.defineProperties( WebGLRenderTarget.prototype, {\n\n\twrapS: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\treturn this.texture.wrapS;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\tthis.texture.wrapS = value;\n\n\t\t}\n\t},\n\twrapT: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\treturn this.texture.wrapT;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\tthis.texture.wrapT = value;\n\n\t\t}\n\t},\n\tmagFilter: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\treturn this.texture.magFilter;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\tthis.texture.magFilter = value;\n\n\t\t}\n\t},\n\tminFilter: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\treturn this.texture.minFilter;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\tthis.texture.minFilter = value;\n\n\t\t}\n\t},\n\tanisotropy: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\treturn this.texture.anisotropy;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\tthis.texture.anisotropy = value;\n\n\t\t}\n\t},\n\toffset: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\treturn this.texture.offset;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\tthis.texture.offset = value;\n\n\t\t}\n\t},\n\trepeat: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\treturn this.texture.repeat;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\tthis.texture.repeat = value;\n\n\t\t}\n\t},\n\tformat: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\treturn this.texture.format;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\tthis.texture.format = value;\n\n\t\t}\n\t},\n\ttype: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\treturn this.texture.type;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\tthis.texture.type = value;\n\n\t\t}\n\t},\n\tgenerateMipmaps: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\treturn this.texture.generateMipmaps;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\tthis.texture.generateMipmaps = value;\n\n\t\t}\n\t}\n\n} );\n\n//\n\nAudio.prototype.load = function ( file ) {\n\n\tconsole.warn( 'THREE.Audio: .load has been deprecated. Use THREE.AudioLoader instead.' );\n\tconst scope = this;\n\tconst audioLoader = new AudioLoader();\n\taudioLoader.load( file, function ( buffer ) {\n\n\t\tscope.setBuffer( buffer );\n\n\t} );\n\treturn this;\n\n};\n\n\nAudioAnalyser.prototype.getData = function () {\n\n\tconsole.warn( 'THREE.AudioAnalyser: .getData() is now .getFrequencyData().' );\n\treturn this.getFrequencyData();\n\n};\n\n//\n\nCubeCamera.prototype.updateCubeMap = function ( renderer, scene ) {\n\n\tconsole.warn( 'THREE.CubeCamera: .updateCubeMap() is now .update().' );\n\treturn this.update( renderer, scene );\n\n};\n\nCubeCamera.prototype.clear = function ( renderer, color, depth, stencil ) {\n\n\tconsole.warn( 'THREE.CubeCamera: .clear() is now .renderTarget.clear().' );\n\treturn this.renderTarget.clear( renderer, color, depth, stencil );\n\n};\n\nImageUtils.crossOrigin = undefined;\n\nImageUtils.loadTexture = function ( url, mapping, onLoad, onError ) {\n\n\tconsole.warn( 'THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.' );\n\n\tconst loader = new TextureLoader();\n\tloader.setCrossOrigin( this.crossOrigin );\n\n\tconst texture = loader.load( url, onLoad, undefined, onError );\n\n\tif ( mapping ) texture.mapping = mapping;\n\n\treturn texture;\n\n};\n\nImageUtils.loadTextureCube = function ( urls, mapping, onLoad, onError ) {\n\n\tconsole.warn( 'THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.' );\n\n\tconst loader = new CubeTextureLoader();\n\tloader.setCrossOrigin( this.crossOrigin );\n\n\tconst texture = loader.load( urls, onLoad, undefined, onError );\n\n\tif ( mapping ) texture.mapping = mapping;\n\n\treturn texture;\n\n};\n\nImageUtils.loadCompressedTexture = function () {\n\n\tconsole.error( 'THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.' );\n\n};\n\nImageUtils.loadCompressedTextureCube = function () {\n\n\tconsole.error( 'THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.' );\n\n};\n\n//\n\nfunction CanvasRenderer() {\n\n\tconsole.error( 'THREE.CanvasRenderer has been removed' );\n\n}\n\n//\n\nfunction JSONLoader() {\n\n\tconsole.error( 'THREE.JSONLoader has been removed.' );\n\n}\n\n//\n\nconst SceneUtils = {\n\n\tcreateMultiMaterialObject: function ( /* geometry, materials */ ) {\n\n\t\tconsole.error( 'THREE.SceneUtils has been moved to /examples/jsm/utils/SceneUtils.js' );\n\n\t},\n\n\tdetach: function ( /* child, parent, scene */ ) {\n\n\t\tconsole.error( 'THREE.SceneUtils has been moved to /examples/jsm/utils/SceneUtils.js' );\n\n\t},\n\n\tattach: function ( /* child, scene, parent */ ) {\n\n\t\tconsole.error( 'THREE.SceneUtils has been moved to /examples/jsm/utils/SceneUtils.js' );\n\n\t}\n\n};\n\n//\n\nfunction LensFlare() {\n\n\tconsole.error( 'THREE.LensFlare has been moved to /examples/jsm/objects/Lensflare.js' );\n\n}\n\n//\n\nfunction ParametricGeometry() {\n\n\tconsole.error( 'THREE.ParametricGeometry has been moved to /examples/jsm/geometries/ParametricGeometry.js' );\n\treturn new BufferGeometry();\n\n}\n\nfunction TextGeometry() {\n\n\tconsole.error( 'THREE.TextGeometry has been moved to /examples/jsm/geometries/TextGeometry.js' );\n\treturn new BufferGeometry();\n\n}\n\nfunction FontLoader() {\n\n\tconsole.error( 'THREE.FontLoader has been moved to /examples/jsm/loaders/FontLoader.js' );\n\n}\n\nfunction Font() {\n\n\tconsole.error( 'THREE.Font has been moved to /examples/jsm/loaders/FontLoader.js' );\n\n}\n\nfunction ImmediateRenderObject() {\n\n\tconsole.error( 'THREE.ImmediateRenderObject has been removed.' );\n\n}\n\nif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t/* eslint-disable no-undef */\n\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'register', { detail: {\n\t\trevision: REVISION,\n\t} } ) );\n\t/* eslint-enable no-undef */\n\n}\n\nif ( typeof window !== 'undefined' ) {\n\n\tif ( window.__THREE__ ) {\n\n\t\tconsole.warn( 'WARNING: Multiple instances of Three.js being imported.' );\n\n\t} else {\n\n\t\twindow.__THREE__ = REVISION;\n\n\t}\n\n}\n\nexport { ACESFilmicToneMapping, AddEquation, AddOperation, AdditiveAnimationBlendMode, AdditiveBlending, AlphaFormat, AlwaysDepth, AlwaysStencilFunc, AmbientLight, AmbientLightProbe, AnimationClip, AnimationLoader, AnimationMixer, AnimationObjectGroup, AnimationUtils, ArcCurve, ArrayCamera, ArrowHelper, Audio, AudioAnalyser, AudioContext, AudioListener, AudioLoader, AxesHelper, AxisHelper, BackSide, BasicDepthPacking, BasicShadowMap, BinaryTextureLoader, Bone, BooleanKeyframeTrack, BoundingBoxHelper, Box2, Box3, Box3Helper, BoxGeometry as BoxBufferGeometry, BoxGeometry, BoxHelper, BufferAttribute, BufferGeometry, BufferGeometryLoader, ByteType, Cache, Camera, CameraHelper, CanvasRenderer, CanvasTexture, CatmullRomCurve3, CineonToneMapping, CircleGeometry as CircleBufferGeometry, CircleGeometry, ClampToEdgeWrapping, Clock, Color, ColorKeyframeTrack, CompressedTexture, CompressedTextureLoader, ConeGeometry as ConeBufferGeometry, ConeGeometry, CubeCamera, CubeReflectionMapping, CubeRefractionMapping, CubeTexture, CubeTextureLoader, CubeUVReflectionMapping, CubeUVRefractionMapping, CubicBezierCurve, CubicBezierCurve3, CubicInterpolant, CullFaceBack, CullFaceFront, CullFaceFrontBack, CullFaceNone, Curve, CurvePath, CustomBlending, CustomToneMapping, CylinderGeometry as CylinderBufferGeometry, CylinderGeometry, Cylindrical, DataTexture, DataTexture2DArray, DataTexture3D, DataTextureLoader, DataUtils, DecrementStencilOp, DecrementWrapStencilOp, DefaultLoadingManager, DepthFormat, DepthStencilFormat, DepthTexture, DirectionalLight, DirectionalLightHelper, DiscreteInterpolant, DodecahedronGeometry as DodecahedronBufferGeometry, DodecahedronGeometry, DoubleSide, DstAlphaFactor, DstColorFactor, DynamicBufferAttribute, DynamicCopyUsage, DynamicDrawUsage, DynamicReadUsage, EdgesGeometry, EdgesHelper, EllipseCurve, EqualDepth, EqualStencilFunc, EquirectangularReflectionMapping, EquirectangularRefractionMapping, Euler, EventDispatcher, ExtrudeGeometry as ExtrudeBufferGeometry, ExtrudeGeometry, FaceColors, FileLoader, FlatShading, Float16BufferAttribute, Float32Attribute, Float32BufferAttribute, Float64Attribute, Float64BufferAttribute, FloatType, Fog, FogExp2, Font, FontLoader, FrontSide, Frustum, GLBufferAttribute, GLSL1, GLSL3, GammaEncoding, GreaterDepth, GreaterEqualDepth, GreaterEqualStencilFunc, GreaterStencilFunc, GridHelper, Group, HalfFloatType, HemisphereLight, HemisphereLightHelper, HemisphereLightProbe, IcosahedronGeometry as IcosahedronBufferGeometry, IcosahedronGeometry, ImageBitmapLoader, ImageLoader, ImageUtils, ImmediateRenderObject, IncrementStencilOp, IncrementWrapStencilOp, InstancedBufferAttribute, InstancedBufferGeometry, InstancedInterleavedBuffer, InstancedMesh, Int16Attribute, Int16BufferAttribute, Int32Attribute, Int32BufferAttribute, Int8Attribute, Int8BufferAttribute, IntType, InterleavedBuffer, InterleavedBufferAttribute, Interpolant, InterpolateDiscrete, InterpolateLinear, InterpolateSmooth, InvertStencilOp, JSONLoader, KeepStencilOp, KeyframeTrack, LOD, LatheGeometry as LatheBufferGeometry, LatheGeometry, Layers, LensFlare, LessDepth, LessEqualDepth, LessEqualStencilFunc, LessStencilFunc, Light, LightProbe, Line, Line3, LineBasicMaterial, LineCurve, LineCurve3, LineDashedMaterial, LineLoop, LinePieces, LineSegments, LineStrip, LinearEncoding, LinearFilter, LinearInterpolant, LinearMipMapLinearFilter, LinearMipMapNearestFilter, LinearMipmapLinearFilter, LinearMipmapNearestFilter, LinearToneMapping, Loader, LoaderUtils, LoadingManager, LoopOnce, LoopPingPong, LoopRepeat, LuminanceAlphaFormat, LuminanceFormat, MOUSE, Material, MaterialLoader, MathUtils as Math, MathUtils, Matrix3, Matrix4, MaxEquation, Mesh, MeshBasicMaterial, MeshDepthMaterial, MeshDistanceMaterial, MeshFaceMaterial, MeshLambertMaterial, MeshMatcapMaterial, MeshNormalMaterial, MeshPhongMaterial, MeshPhysicalMaterial, MeshStandardMaterial, MeshToonMaterial, MinEquation, MirroredRepeatWrapping, MixOperation, MultiMaterial, MultiplyBlending, MultiplyOperation, NearestFilter, NearestMipMapLinearFilter, NearestMipMapNearestFilter, NearestMipmapLinearFilter, NearestMipmapNearestFilter, NeverDepth, NeverStencilFunc, NoBlending, NoColors, NoToneMapping, NormalAnimationBlendMode, NormalBlending, NotEqualDepth, NotEqualStencilFunc, NumberKeyframeTrack, Object3D, ObjectLoader, ObjectSpaceNormalMap, OctahedronGeometry as OctahedronBufferGeometry, OctahedronGeometry, OneFactor, OneMinusDstAlphaFactor, OneMinusDstColorFactor, OneMinusSrcAlphaFactor, OneMinusSrcColorFactor, OrthographicCamera, PCFShadowMap, PCFSoftShadowMap, PMREMGenerator, ParametricGeometry, Particle, ParticleBasicMaterial, ParticleSystem, ParticleSystemMaterial, Path, PerspectiveCamera, Plane, PlaneGeometry as PlaneBufferGeometry, PlaneGeometry, PlaneHelper, PointCloud, PointCloudMaterial, PointLight, PointLightHelper, Points, PointsMaterial, PolarGridHelper, PolyhedronGeometry as PolyhedronBufferGeometry, PolyhedronGeometry, PositionalAudio, PropertyBinding, PropertyMixer, QuadraticBezierCurve, QuadraticBezierCurve3, Quaternion, QuaternionKeyframeTrack, QuaternionLinearInterpolant, REVISION, RGBADepthPacking, RGBAFormat, RGBAIntegerFormat, RGBA_ASTC_10x10_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_BPTC_Format, RGBA_ETC2_EAC_Format, RGBA_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGBDEncoding, RGBEEncoding, RGBEFormat, RGBFormat, RGBIntegerFormat, RGBM16Encoding, RGBM7Encoding, RGB_ETC1_Format, RGB_ETC2_Format, RGB_PVRTC_2BPPV1_Format, RGB_PVRTC_4BPPV1_Format, RGB_S3TC_DXT1_Format, RGFormat, RGIntegerFormat, RawShaderMaterial, Ray, Raycaster, RectAreaLight, RedFormat, RedIntegerFormat, ReinhardToneMapping, RepeatWrapping, ReplaceStencilOp, ReverseSubtractEquation, RingGeometry as RingBufferGeometry, RingGeometry, SRGB8_ALPHA8_ASTC_10x10_Format, SRGB8_ALPHA8_ASTC_10x5_Format, SRGB8_ALPHA8_ASTC_10x6_Format, SRGB8_ALPHA8_ASTC_10x8_Format, SRGB8_ALPHA8_ASTC_12x10_Format, SRGB8_ALPHA8_ASTC_12x12_Format, SRGB8_ALPHA8_ASTC_4x4_Format, SRGB8_ALPHA8_ASTC_5x4_Format, SRGB8_ALPHA8_ASTC_5x5_Format, SRGB8_ALPHA8_ASTC_6x5_Format, SRGB8_ALPHA8_ASTC_6x6_Format, SRGB8_ALPHA8_ASTC_8x5_Format, SRGB8_ALPHA8_ASTC_8x6_Format, SRGB8_ALPHA8_ASTC_8x8_Format, Scene, SceneUtils, ShaderChunk, ShaderLib, ShaderMaterial, ShadowMaterial, Shape, ShapeGeometry as ShapeBufferGeometry, ShapeGeometry, ShapePath, ShapeUtils, ShortType, Skeleton, SkeletonHelper, SkinnedMesh, SmoothShading, Sphere, SphereGeometry as SphereBufferGeometry, SphereGeometry, Spherical, SphericalHarmonics3, SplineCurve, SpotLight, SpotLightHelper, Sprite, SpriteMaterial, SrcAlphaFactor, SrcAlphaSaturateFactor, SrcColorFactor, StaticCopyUsage, StaticDrawUsage, StaticReadUsage, StereoCamera, StreamCopyUsage, StreamDrawUsage, StreamReadUsage, StringKeyframeTrack, SubtractEquation, SubtractiveBlending, TOUCH, TangentSpaceNormalMap, TetrahedronGeometry as TetrahedronBufferGeometry, TetrahedronGeometry, TextGeometry, Texture, TextureLoader, TorusGeometry as TorusBufferGeometry, TorusGeometry, TorusKnotGeometry as TorusKnotBufferGeometry, TorusKnotGeometry, Triangle, TriangleFanDrawMode, TriangleStripDrawMode, TrianglesDrawMode, TubeGeometry as TubeBufferGeometry, TubeGeometry, UVMapping, Uint16Attribute, Uint16BufferAttribute, Uint32Attribute, Uint32BufferAttribute, Uint8Attribute, Uint8BufferAttribute, Uint8ClampedAttribute, Uint8ClampedBufferAttribute, Uniform, UniformsLib, UniformsUtils, UnsignedByteType, UnsignedInt248Type, UnsignedIntType, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedShort565Type, UnsignedShortType, VSMShadowMap, Vector2, Vector3, Vector4, VectorKeyframeTrack, Vertex, VertexColors, VideoTexture, WebGL1Renderer, WebGLCubeRenderTarget, WebGLMultipleRenderTargets, WebGLMultisampleRenderTarget, WebGLRenderTarget, WebGLRenderTargetCube, WebGLRenderer, WebGLUtils, WireframeGeometry, WireframeHelper, WrapAroundEnding, XHRLoader, ZeroCurvatureEnding, ZeroFactor, ZeroSlopeEnding, ZeroStencilOp, sRGBEncoding };\n", "import {\n\tEventDispatcher,\n\tMOUSE,\n\tQuaternion,\n\tSpherical,\n\tTOUCH,\n\tVector2,\n\tVector3\n} from 'three';\n\n// This set of controls performs orbiting, dollying (zooming), and panning.\n// Unlike TrackballControls, it maintains the \"up\" direction object.up (+Y by default).\n//\n// Orbit - left mouse / touch: one-finger move\n// Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish\n// Pan - right mouse, or left mouse + ctrl/meta/shiftKey, or arrow keys / touch: two-finger move\n\nconst _changeEvent = { type: 'change' };\nconst _startEvent = { type: 'start' };\nconst _endEvent = { type: 'end' };\n\nclass OrbitControls extends EventDispatcher {\n\n\tconstructor( object, domElement ) {\n\n\t\tsuper();\n\n\t\tif ( domElement === undefined ) console.warn( 'THREE.OrbitControls: The second parameter \"domElement\" is now mandatory.' );\n\t\tif ( domElement === document ) console.error( 'THREE.OrbitControls: \"document\" should not be used as the target \"domElement\". Please use \"renderer.domElement\" instead.' );\n\n\t\tthis.object = object;\n\t\tthis.domElement = domElement;\n\t\tthis.domElement.style.touchAction = 'none'; // disable touch scroll\n\n\t\t// Set to false to disable this control\n\t\tthis.enabled = true;\n\n\t\t// \"target\" sets the location of focus, where the object orbits around\n\t\tthis.target = new Vector3();\n\n\t\t// How far you can dolly in and out ( PerspectiveCamera only )\n\t\tthis.minDistance = 0;\n\t\tthis.maxDistance = Infinity;\n\n\t\t// How far you can zoom in and out ( OrthographicCamera only )\n\t\tthis.minZoom = 0;\n\t\tthis.maxZoom = Infinity;\n\n\t\t// How far you can orbit vertically, upper and lower limits.\n\t\t// Range is 0 to Math.PI radians.\n\t\tthis.minPolarAngle = 0; // radians\n\t\tthis.maxPolarAngle = Math.PI; // radians\n\n\t\t// How far you can orbit horizontally, upper and lower limits.\n\t\t// If set, the interval [ min, max ] must be a sub-interval of [ - 2 PI, 2 PI ], with ( max - min < 2 PI )\n\t\tthis.minAzimuthAngle = - Infinity; // radians\n\t\tthis.maxAzimuthAngle = Infinity; // radians\n\n\t\t// Set to true to enable damping (inertia)\n\t\t// If damping is enabled, you must call controls.update() in your animation loop\n\t\tthis.enableDamping = false;\n\t\tthis.dampingFactor = 0.05;\n\n\t\t// This option actually enables dollying in and out; left as \"zoom\" for backwards compatibility.\n\t\t// Set to false to disable zooming\n\t\tthis.enableZoom = true;\n\t\tthis.zoomSpeed = 1.0;\n\n\t\t// Set to false to disable rotating\n\t\tthis.enableRotate = true;\n\t\tthis.rotateSpeed = 1.0;\n\n\t\t// Set to false to disable panning\n\t\tthis.enablePan = true;\n\t\tthis.panSpeed = 1.0;\n\t\tthis.screenSpacePanning = true; // if false, pan orthogonal to world-space direction camera.up\n\t\tthis.keyPanSpeed = 7.0;\t// pixels moved per arrow key push\n\n\t\t// Set to true to automatically rotate around the target\n\t\t// If auto-rotate is enabled, you must call controls.update() in your animation loop\n\t\tthis.autoRotate = false;\n\t\tthis.autoRotateSpeed = 2.0; // 30 seconds per orbit when fps is 60\n\n\t\t// The four arrow keys\n\t\tthis.keys = { LEFT: 'ArrowLeft', UP: 'ArrowUp', RIGHT: 'ArrowRight', BOTTOM: 'ArrowDown' };\n\n\t\t// Mouse buttons\n\t\tthis.mouseButtons = { LEFT: MOUSE.ROTATE, MIDDLE: MOUSE.DOLLY, RIGHT: MOUSE.PAN };\n\n\t\t// Touch fingers\n\t\tthis.touches = { ONE: TOUCH.ROTATE, TWO: TOUCH.DOLLY_PAN };\n\n\t\t// for reset\n\t\tthis.target0 = this.target.clone();\n\t\tthis.position0 = this.object.position.clone();\n\t\tthis.zoom0 = this.object.zoom;\n\n\t\t// the target DOM element for key events\n\t\tthis._domElementKeyEvents = null;\n\n\t\t//\n\t\t// public methods\n\t\t//\n\n\t\tthis.getPolarAngle = function () {\n\n\t\t\treturn spherical.phi;\n\n\t\t};\n\n\t\tthis.getAzimuthalAngle = function () {\n\n\t\t\treturn spherical.theta;\n\n\t\t};\n\n\t\tthis.getDistance = function () {\n\n\t\t\treturn this.object.position.distanceTo( this.target );\n\n\t\t};\n\n\t\tthis.listenToKeyEvents = function ( domElement ) {\n\n\t\t\tdomElement.addEventListener( 'keydown', onKeyDown );\n\t\t\tthis._domElementKeyEvents = domElement;\n\n\t\t};\n\n\t\tthis.saveState = function () {\n\n\t\t\tscope.target0.copy( scope.target );\n\t\t\tscope.position0.copy( scope.object.position );\n\t\t\tscope.zoom0 = scope.object.zoom;\n\n\t\t};\n\n\t\tthis.reset = function () {\n\n\t\t\tscope.target.copy( scope.target0 );\n\t\t\tscope.object.position.copy( scope.position0 );\n\t\t\tscope.object.zoom = scope.zoom0;\n\n\t\t\tscope.object.updateProjectionMatrix();\n\t\t\tscope.dispatchEvent( _changeEvent );\n\n\t\t\tscope.update();\n\n\t\t\tstate = STATE.NONE;\n\n\t\t};\n\n\t\t// this method is exposed, but perhaps it would be better if we can make it private...\n\t\tthis.update = function () {\n\n\t\t\tconst offset = new Vector3();\n\n\t\t\t// so camera.up is the orbit axis\n\t\t\tconst quat = new Quaternion().setFromUnitVectors( object.up, new Vector3( 0, 1, 0 ) );\n\t\t\tconst quatInverse = quat.clone().invert();\n\n\t\t\tconst lastPosition = new Vector3();\n\t\t\tconst lastQuaternion = new Quaternion();\n\n\t\t\tconst twoPI = 2 * Math.PI;\n\n\t\t\treturn function update() {\n\n\t\t\t\tconst position = scope.object.position;\n\n\t\t\t\toffset.copy( position ).sub( scope.target );\n\n\t\t\t\t// rotate offset to \"y-axis-is-up\" space\n\t\t\t\toffset.applyQuaternion( quat );\n\n\t\t\t\t// angle from z-axis around y-axis\n\t\t\t\tspherical.setFromVector3( offset );\n\n\t\t\t\tif ( scope.autoRotate && state === STATE.NONE ) {\n\n\t\t\t\t\trotateLeft( getAutoRotationAngle() );\n\n\t\t\t\t}\n\n\t\t\t\tif ( scope.enableDamping ) {\n\n\t\t\t\t\tspherical.theta += sphericalDelta.theta * scope.dampingFactor;\n\t\t\t\t\tspherical.phi += sphericalDelta.phi * scope.dampingFactor;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tspherical.theta += sphericalDelta.theta;\n\t\t\t\t\tspherical.phi += sphericalDelta.phi;\n\n\t\t\t\t}\n\n\t\t\t\t// restrict theta to be between desired limits\n\n\t\t\t\tlet min = scope.minAzimuthAngle;\n\t\t\t\tlet max = scope.maxAzimuthAngle;\n\n\t\t\t\tif ( isFinite( min ) && isFinite( max ) ) {\n\n\t\t\t\t\tif ( min < - Math.PI ) min += twoPI; else if ( min > Math.PI ) min -= twoPI;\n\n\t\t\t\t\tif ( max < - Math.PI ) max += twoPI; else if ( max > Math.PI ) max -= twoPI;\n\n\t\t\t\t\tif ( min <= max ) {\n\n\t\t\t\t\t\tspherical.theta = Math.max( min, Math.min( max, spherical.theta ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tspherical.theta = ( spherical.theta > ( min + max ) / 2 ) ?\n\t\t\t\t\t\t\tMath.max( min, spherical.theta ) :\n\t\t\t\t\t\t\tMath.min( max, spherical.theta );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// restrict phi to be between desired limits\n\t\t\t\tspherical.phi = Math.max( scope.minPolarAngle, Math.min( scope.maxPolarAngle, spherical.phi ) );\n\n\t\t\t\tspherical.makeSafe();\n\n\n\t\t\t\tspherical.radius *= scale;\n\n\t\t\t\t// restrict radius to be between desired limits\n\t\t\t\tspherical.radius = Math.max( scope.minDistance, Math.min( scope.maxDistance, spherical.radius ) );\n\n\t\t\t\t// move target to panned location\n\n\t\t\t\tif ( scope.enableDamping === true ) {\n\n\t\t\t\t\tscope.target.addScaledVector( panOffset, scope.dampingFactor );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tscope.target.add( panOffset );\n\n\t\t\t\t}\n\n\t\t\t\toffset.setFromSpherical( spherical );\n\n\t\t\t\t// rotate offset back to \"camera-up-vector-is-up\" space\n\t\t\t\toffset.applyQuaternion( quatInverse );\n\n\t\t\t\tposition.copy( scope.target ).add( offset );\n\n\t\t\t\tscope.object.lookAt( scope.target );\n\n\t\t\t\tif ( scope.enableDamping === true ) {\n\n\t\t\t\t\tsphericalDelta.theta *= ( 1 - scope.dampingFactor );\n\t\t\t\t\tsphericalDelta.phi *= ( 1 - scope.dampingFactor );\n\n\t\t\t\t\tpanOffset.multiplyScalar( 1 - scope.dampingFactor );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsphericalDelta.set( 0, 0, 0 );\n\n\t\t\t\t\tpanOffset.set( 0, 0, 0 );\n\n\t\t\t\t}\n\n\t\t\t\tscale = 1;\n\n\t\t\t\t// update condition is:\n\t\t\t\t// min(camera displacement, camera rotation in radians)^2 > EPS\n\t\t\t\t// using small-angle approximation cos(x/2) = 1 - x^2 / 8\n\n\t\t\t\tif ( zoomChanged ||\n\t\t\t\t\tlastPosition.distanceToSquared( scope.object.position ) > EPS ||\n\t\t\t\t\t8 * ( 1 - lastQuaternion.dot( scope.object.quaternion ) ) > EPS ) {\n\n\t\t\t\t\tscope.dispatchEvent( _changeEvent );\n\n\t\t\t\t\tlastPosition.copy( scope.object.position );\n\t\t\t\t\tlastQuaternion.copy( scope.object.quaternion );\n\t\t\t\t\tzoomChanged = false;\n\n\t\t\t\t\treturn true;\n\n\t\t\t\t}\n\n\t\t\t\treturn false;\n\n\t\t\t};\n\n\t\t}();\n\n\t\tthis.dispose = function () {\n\n\t\t\tscope.domElement.removeEventListener( 'contextmenu', onContextMenu );\n\n\t\t\tscope.domElement.removeEventListener( 'pointerdown', onPointerDown );\n\t\t\tscope.domElement.removeEventListener( 'pointercancel', onPointerCancel );\n\t\t\tscope.domElement.removeEventListener( 'wheel', onMouseWheel );\n\n\t\t\tscope.domElement.removeEventListener( 'pointermove', onPointerMove );\n\t\t\tscope.domElement.removeEventListener( 'pointerup', onPointerUp );\n\n\n\t\t\tif ( scope._domElementKeyEvents !== null ) {\n\n\t\t\t\tscope._domElementKeyEvents.removeEventListener( 'keydown', onKeyDown );\n\n\t\t\t}\n\n\t\t\t//scope.dispatchEvent( { type: 'dispose' } ); // should this be added here?\n\n\t\t};\n\n\t\t//\n\t\t// internals\n\t\t//\n\n\t\tconst scope = this;\n\n\t\tconst STATE = {\n\t\t\tNONE: - 1,\n\t\t\tROTATE: 0,\n\t\t\tDOLLY: 1,\n\t\t\tPAN: 2,\n\t\t\tTOUCH_ROTATE: 3,\n\t\t\tTOUCH_PAN: 4,\n\t\t\tTOUCH_DOLLY_PAN: 5,\n\t\t\tTOUCH_DOLLY_ROTATE: 6\n\t\t};\n\n\t\tlet state = STATE.NONE;\n\n\t\tconst EPS = 0.000001;\n\n\t\t// current position in spherical coordinates\n\t\tconst spherical = new Spherical();\n\t\tconst sphericalDelta = new Spherical();\n\n\t\tlet scale = 1;\n\t\tconst panOffset = new Vector3();\n\t\tlet zoomChanged = false;\n\n\t\tconst rotateStart = new Vector2();\n\t\tconst rotateEnd = new Vector2();\n\t\tconst rotateDelta = new Vector2();\n\n\t\tconst panStart = new Vector2();\n\t\tconst panEnd = new Vector2();\n\t\tconst panDelta = new Vector2();\n\n\t\tconst dollyStart = new Vector2();\n\t\tconst dollyEnd = new Vector2();\n\t\tconst dollyDelta = new Vector2();\n\n\t\tconst pointers = [];\n\t\tconst pointerPositions = {};\n\n\t\tfunction getAutoRotationAngle() {\n\n\t\t\treturn 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed;\n\n\t\t}\n\n\t\tfunction getZoomScale() {\n\n\t\t\treturn Math.pow( 0.95, scope.zoomSpeed );\n\n\t\t}\n\n\t\tfunction rotateLeft( angle ) {\n\n\t\t\tsphericalDelta.theta -= angle;\n\n\t\t}\n\n\t\tfunction rotateUp( angle ) {\n\n\t\t\tsphericalDelta.phi -= angle;\n\n\t\t}\n\n\t\tconst panLeft = function () {\n\n\t\t\tconst v = new Vector3();\n\n\t\t\treturn function panLeft( distance, objectMatrix ) {\n\n\t\t\t\tv.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix\n\t\t\t\tv.multiplyScalar( - distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\tconst panUp = function () {\n\n\t\t\tconst v = new Vector3();\n\n\t\t\treturn function panUp( distance, objectMatrix ) {\n\n\t\t\t\tif ( scope.screenSpacePanning === true ) {\n\n\t\t\t\t\tv.setFromMatrixColumn( objectMatrix, 1 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tv.setFromMatrixColumn( objectMatrix, 0 );\n\t\t\t\t\tv.crossVectors( scope.object.up, v );\n\n\t\t\t\t}\n\n\t\t\t\tv.multiplyScalar( distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\t// deltaX and deltaY are in pixels; right and down are positive\n\t\tconst pan = function () {\n\n\t\t\tconst offset = new Vector3();\n\n\t\t\treturn function pan( deltaX, deltaY ) {\n\n\t\t\t\tconst element = scope.domElement;\n\n\t\t\t\tif ( scope.object.isPerspectiveCamera ) {\n\n\t\t\t\t\t// perspective\n\t\t\t\t\tconst position = scope.object.position;\n\t\t\t\t\toffset.copy( position ).sub( scope.target );\n\t\t\t\t\tlet targetDistance = offset.length();\n\n\t\t\t\t\t// half of the fov is center to top of screen\n\t\t\t\t\ttargetDistance *= Math.tan( ( scope.object.fov / 2 ) * Math.PI / 180.0 );\n\n\t\t\t\t\t// we use only clientHeight here so aspect ratio does not distort speed\n\t\t\t\t\tpanLeft( 2 * deltaX * targetDistance / element.clientHeight, scope.object.matrix );\n\t\t\t\t\tpanUp( 2 * deltaY * targetDistance / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else if ( scope.object.isOrthographicCamera ) {\n\n\t\t\t\t\t// orthographic\n\t\t\t\t\tpanLeft( deltaX * ( scope.object.right - scope.object.left ) / scope.object.zoom / element.clientWidth, scope.object.matrix );\n\t\t\t\t\tpanUp( deltaY * ( scope.object.top - scope.object.bottom ) / scope.object.zoom / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// camera neither orthographic nor perspective\n\t\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' );\n\t\t\t\t\tscope.enablePan = false;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}();\n\n\t\tfunction dollyOut( dollyScale ) {\n\n\t\t\tif ( scope.object.isPerspectiveCamera ) {\n\n\t\t\t\tscale /= dollyScale;\n\n\t\t\t} else if ( scope.object.isOrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom * dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction dollyIn( dollyScale ) {\n\n\t\t\tif ( scope.object.isPerspectiveCamera ) {\n\n\t\t\t\tscale *= dollyScale;\n\n\t\t\t} else if ( scope.object.isOrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom / dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\t\t// event callbacks - update the object state\n\t\t//\n\n\t\tfunction handleMouseDownRotate( event ) {\n\n\t\t\trotateStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownDolly( event ) {\n\n\t\t\tdollyStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownPan( event ) {\n\n\t\t\tpanStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseMoveRotate( event ) {\n\n\t\t\trotateEnd.set( event.clientX, event.clientY );\n\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart ).multiplyScalar( scope.rotateSpeed );\n\n\t\t\tconst element = scope.domElement;\n\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientHeight ); // yes, height\n\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMoveDolly( event ) {\n\n\t\t\tdollyEnd.set( event.clientX, event.clientY );\n\n\t\t\tdollyDelta.subVectors( dollyEnd, dollyStart );\n\n\t\t\tif ( dollyDelta.y > 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t} else if ( dollyDelta.y < 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMovePan( event ) {\n\n\t\t\tpanEnd.set( event.clientX, event.clientY );\n\n\t\t\tpanDelta.subVectors( panEnd, panStart ).multiplyScalar( scope.panSpeed );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseWheel( event ) {\n\n\t\t\tif ( event.deltaY < 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t} else if ( event.deltaY > 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleKeyDown( event ) {\n\n\t\t\tlet needsUpdate = false;\n\n\t\t\tswitch ( event.code ) {\n\n\t\t\t\tcase scope.keys.UP:\n\t\t\t\t\tpan( 0, scope.keyPanSpeed );\n\t\t\t\t\tneedsUpdate = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.BOTTOM:\n\t\t\t\t\tpan( 0, - scope.keyPanSpeed );\n\t\t\t\t\tneedsUpdate = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.LEFT:\n\t\t\t\t\tpan( scope.keyPanSpeed, 0 );\n\t\t\t\t\tneedsUpdate = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.RIGHT:\n\t\t\t\t\tpan( - scope.keyPanSpeed, 0 );\n\t\t\t\t\tneedsUpdate = true;\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( needsUpdate ) {\n\n\t\t\t\t// prevent the browser from scrolling on cursor keys\n\t\t\t\tevent.preventDefault();\n\n\t\t\t\tscope.update();\n\n\t\t\t}\n\n\n\t\t}\n\n\t\tfunction handleTouchStartRotate() {\n\n\t\t\tif ( pointers.length === 1 ) {\n\n\t\t\t\trotateStart.set( pointers[ 0 ].pageX, pointers[ 0 ].pageY );\n\n\t\t\t} else {\n\n\t\t\t\tconst x = 0.5 * ( pointers[ 0 ].pageX + pointers[ 1 ].pageX );\n\t\t\t\tconst y = 0.5 * ( pointers[ 0 ].pageY + pointers[ 1 ].pageY );\n\n\t\t\t\trotateStart.set( x, y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction handleTouchStartPan() {\n\n\t\t\tif ( pointers.length === 1 ) {\n\n\t\t\t\tpanStart.set( pointers[ 0 ].pageX, pointers[ 0 ].pageY );\n\n\t\t\t} else {\n\n\t\t\t\tconst x = 0.5 * ( pointers[ 0 ].pageX + pointers[ 1 ].pageX );\n\t\t\t\tconst y = 0.5 * ( pointers[ 0 ].pageY + pointers[ 1 ].pageY );\n\n\t\t\t\tpanStart.set( x, y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction handleTouchStartDolly() {\n\n\t\t\tconst dx = pointers[ 0 ].pageX - pointers[ 1 ].pageX;\n\t\t\tconst dy = pointers[ 0 ].pageY - pointers[ 1 ].pageY;\n\n\t\t\tconst distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyStart.set( 0, distance );\n\n\t\t}\n\n\t\tfunction handleTouchStartDollyPan() {\n\n\t\t\tif ( scope.enableZoom ) handleTouchStartDolly();\n\n\t\t\tif ( scope.enablePan ) handleTouchStartPan();\n\n\t\t}\n\n\t\tfunction handleTouchStartDollyRotate() {\n\n\t\t\tif ( scope.enableZoom ) handleTouchStartDolly();\n\n\t\t\tif ( scope.enableRotate ) handleTouchStartRotate();\n\n\t\t}\n\n\t\tfunction handleTouchMoveRotate( event ) {\n\n\t\t\tif ( pointers.length == 1 ) {\n\n\t\t\t\trotateEnd.set( event.pageX, event.pageY );\n\n\t\t\t} else {\n\n\t\t\t\tconst position = getSecondPointerPosition( event );\n\n\t\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\t\trotateEnd.set( x, y );\n\n\t\t\t}\n\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart ).multiplyScalar( scope.rotateSpeed );\n\n\t\t\tconst element = scope.domElement;\n\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientHeight ); // yes, height\n\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t}\n\n\t\tfunction handleTouchMovePan( event ) {\n\n\t\t\tif ( pointers.length === 1 ) {\n\n\t\t\t\tpanEnd.set( event.pageX, event.pageY );\n\n\t\t\t} else {\n\n\t\t\t\tconst position = getSecondPointerPosition( event );\n\n\t\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\t\tpanEnd.set( x, y );\n\n\t\t\t}\n\n\t\t\tpanDelta.subVectors( panEnd, panStart ).multiplyScalar( scope.panSpeed );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t}\n\n\t\tfunction handleTouchMoveDolly( event ) {\n\n\t\t\tconst position = getSecondPointerPosition( event );\n\n\t\t\tconst dx = event.pageX - position.x;\n\t\t\tconst dy = event.pageY - position.y;\n\n\t\t\tconst distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyEnd.set( 0, distance );\n\n\t\t\tdollyDelta.set( 0, Math.pow( dollyEnd.y / dollyStart.y, scope.zoomSpeed ) );\n\n\t\t\tdollyOut( dollyDelta.y );\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t}\n\n\t\tfunction handleTouchMoveDollyPan( event ) {\n\n\t\t\tif ( scope.enableZoom ) handleTouchMoveDolly( event );\n\n\t\t\tif ( scope.enablePan ) handleTouchMovePan( event );\n\n\t\t}\n\n\t\tfunction handleTouchMoveDollyRotate( event ) {\n\n\t\t\tif ( scope.enableZoom ) handleTouchMoveDolly( event );\n\n\t\t\tif ( scope.enableRotate ) handleTouchMoveRotate( event );\n\n\t\t}\n\n\t\t//\n\t\t// event handlers - FSM: listen for events and reset state\n\t\t//\n\n\t\tfunction onPointerDown( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tif ( pointers.length === 0 ) {\n\n\t\t\t\tscope.domElement.setPointerCapture( event.pointerId );\n\n\t\t\t\tscope.domElement.addEventListener( 'pointermove', onPointerMove );\n\t\t\t\tscope.domElement.addEventListener( 'pointerup', onPointerUp );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\taddPointer( event );\n\n\t\t\tif ( event.pointerType === 'touch' ) {\n\n\t\t\t\tonTouchStart( event );\n\n\t\t\t} else {\n\n\t\t\t\tonMouseDown( event );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onPointerMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tif ( event.pointerType === 'touch' ) {\n\n\t\t\t\tonTouchMove( event );\n\n\t\t\t} else {\n\n\t\t\t\tonMouseMove( event );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onPointerUp( event ) {\n\n\t\t removePointer( event );\n\n\t\t if ( pointers.length === 0 ) {\n\n\t\t scope.domElement.releasePointerCapture( event.pointerId );\n\n\t\t scope.domElement.removeEventListener( 'pointermove', onPointerMove );\n\t\t scope.domElement.removeEventListener( 'pointerup', onPointerUp );\n\n\t\t }\n\n\t\t scope.dispatchEvent( _endEvent );\n\n\t\t state = STATE.NONE;\n\n\t\t}\n\n\t\tfunction onPointerCancel( event ) {\n\n\t\t\tremovePointer( event );\n\n\t\t}\n\n\t\tfunction onMouseDown( event ) {\n\n\t\t\tlet mouseAction;\n\n\t\t\tswitch ( event.button ) {\n\n\t\t\t\tcase 0:\n\n\t\t\t\t\tmouseAction = scope.mouseButtons.LEFT;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 1:\n\n\t\t\t\t\tmouseAction = scope.mouseButtons.MIDDLE;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2:\n\n\t\t\t\t\tmouseAction = scope.mouseButtons.RIGHT;\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tmouseAction = - 1;\n\n\t\t\t}\n\n\t\t\tswitch ( mouseAction ) {\n\n\t\t\t\tcase MOUSE.DOLLY:\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\t\thandleMouseDownDolly( event );\n\n\t\t\t\t\tstate = STATE.DOLLY;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MOUSE.ROTATE:\n\n\t\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\t\thandleMouseDownPan( event );\n\n\t\t\t\t\t\tstate = STATE.PAN;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\t\thandleMouseDownRotate( event );\n\n\t\t\t\t\t\tstate = STATE.ROTATE;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MOUSE.PAN:\n\n\t\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\t\thandleMouseDownRotate( event );\n\n\t\t\t\t\t\tstate = STATE.ROTATE;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\t\thandleMouseDownPan( event );\n\n\t\t\t\t\t\tstate = STATE.PAN;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tscope.dispatchEvent( _startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tswitch ( state ) {\n\n\t\t\t\tcase STATE.ROTATE:\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\thandleMouseMoveRotate( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.DOLLY:\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\t\thandleMouseMoveDolly( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.PAN:\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\thandleMouseMovePan( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseWheel( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enableZoom === false || state !== STATE.NONE ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t\tscope.dispatchEvent( _startEvent );\n\n\t\t\thandleMouseWheel( event );\n\n\t\t\tscope.dispatchEvent( _endEvent );\n\n\t\t}\n\n\t\tfunction onKeyDown( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enablePan === false ) return;\n\n\t\t\thandleKeyDown( event );\n\n\t\t}\n\n\t\tfunction onTouchStart( event ) {\n\n\t\t\ttrackPointer( event );\n\n\t\t\tswitch ( pointers.length ) {\n\n\t\t\t\tcase 1:\n\n\t\t\t\t\tswitch ( scope.touches.ONE ) {\n\n\t\t\t\t\t\tcase TOUCH.ROTATE:\n\n\t\t\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\t\t\thandleTouchStartRotate();\n\n\t\t\t\t\t\t\tstate = STATE.TOUCH_ROTATE;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TOUCH.PAN:\n\n\t\t\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\t\t\thandleTouchStartPan();\n\n\t\t\t\t\t\t\tstate = STATE.TOUCH_PAN;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2:\n\n\t\t\t\t\tswitch ( scope.touches.TWO ) {\n\n\t\t\t\t\t\tcase TOUCH.DOLLY_PAN:\n\n\t\t\t\t\t\t\tif ( scope.enableZoom === false && scope.enablePan === false ) return;\n\n\t\t\t\t\t\t\thandleTouchStartDollyPan();\n\n\t\t\t\t\t\t\tstate = STATE.TOUCH_DOLLY_PAN;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TOUCH.DOLLY_ROTATE:\n\n\t\t\t\t\t\t\tif ( scope.enableZoom === false && scope.enableRotate === false ) return;\n\n\t\t\t\t\t\t\thandleTouchStartDollyRotate();\n\n\t\t\t\t\t\t\tstate = STATE.TOUCH_DOLLY_ROTATE;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tscope.dispatchEvent( _startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onTouchMove( event ) {\n\n\t\t\ttrackPointer( event );\n\n\t\t\tswitch ( state ) {\n\n\t\t\t\tcase STATE.TOUCH_ROTATE:\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\thandleTouchMoveRotate( event );\n\n\t\t\t\t\tscope.update();\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.TOUCH_PAN:\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\thandleTouchMovePan( event );\n\n\t\t\t\t\tscope.update();\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.TOUCH_DOLLY_PAN:\n\n\t\t\t\t\tif ( scope.enableZoom === false && scope.enablePan === false ) return;\n\n\t\t\t\t\thandleTouchMoveDollyPan( event );\n\n\t\t\t\t\tscope.update();\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.TOUCH_DOLLY_ROTATE:\n\n\t\t\t\t\tif ( scope.enableZoom === false && scope.enableRotate === false ) return;\n\n\t\t\t\t\thandleTouchMoveDollyRotate( event );\n\n\t\t\t\t\tscope.update();\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onContextMenu( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t}\n\n\t\tfunction addPointer( event ) {\n\n\t\t\tpointers.push( event );\n\n\t\t}\n\n\t\tfunction removePointer( event ) {\n\n\t\t\tdelete pointerPositions[ event.pointerId ];\n\n\t\t\tfor ( let i = 0; i < pointers.length; i ++ ) {\n\n\t\t\t\tif ( pointers[ i ].pointerId == event.pointerId ) {\n\n\t\t\t\t\tpointers.splice( i, 1 );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction trackPointer( event ) {\n\n\t\t\tlet position = pointerPositions[ event.pointerId ];\n\n\t\t\tif ( position === undefined ) {\n\n\t\t\t\tposition = new Vector2();\n\t\t\t\tpointerPositions[ event.pointerId ] = position;\n\n\t\t\t}\n\n\t\t\tposition.set( event.pageX, event.pageY );\n\n\t\t}\n\n\t\tfunction getSecondPointerPosition( event ) {\n\n\t\t\tconst pointer = ( event.pointerId === pointers[ 0 ].pointerId ) ? pointers[ 1 ] : pointers[ 0 ];\n\n\t\t\treturn pointerPositions[ pointer.pointerId ];\n\n\t\t}\n\n\t\t//\n\n\t\tscope.domElement.addEventListener( 'contextmenu', onContextMenu );\n\n\t\tscope.domElement.addEventListener( 'pointerdown', onPointerDown );\n\t\tscope.domElement.addEventListener( 'pointercancel', onPointerCancel );\n\t\tscope.domElement.addEventListener( 'wheel', onMouseWheel, { passive: false } );\n\n\t\t// force an update at start\n\n\t\tthis.update();\n\n\t}\n\n}\n\n\n// This set of controls performs orbiting, dollying (zooming), and panning.\n// Unlike TrackballControls, it maintains the \"up\" direction object.up (+Y by default).\n// This is very similar to OrbitControls, another set of touch behavior\n//\n// Orbit - right mouse, or left mouse + ctrl/meta/shiftKey / touch: two-finger rotate\n// Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish\n// Pan - left mouse, or arrow keys / touch: one-finger move\n\nclass MapControls extends OrbitControls {\n\n\tconstructor( object, domElement ) {\n\n\t\tsuper( object, domElement );\n\n\t\tthis.screenSpacePanning = false; // pan orthogonal to world-space direction camera.up\n\n\t\tthis.mouseButtons.LEFT = MOUSE.PAN;\n\t\tthis.mouseButtons.RIGHT = MOUSE.ROTATE;\n\n\t\tthis.touches.ONE = TOUCH.PAN;\n\t\tthis.touches.TWO = TOUCH.DOLLY_ROTATE;\n\n\t}\n\n}\n\nexport { OrbitControls, MapControls };\n", "import type { Vector3 } from 'three';\n\nimport type { Coordinate3d, CoordinateXYZ } from './Coordinates';\n\nlet scaleFactor = 1.0;\n\n/**\n * Set the number of units per AU.\n */\nexport function setScaleFactor(val: number) {\n scaleFactor = val;\n}\n\n/**\n * Get the number of units per AU.\n */\nexport function getScaleFactor(): number {\n return scaleFactor;\n}\n\nexport function rescalePos(pos: CoordinateXYZ): CoordinateXYZ {\n pos.x *= scaleFactor;\n pos.y *= scaleFactor;\n pos.z *= scaleFactor;\n return pos;\n}\n\nexport function rescaleArray(XYZ: Coordinate3d): Coordinate3d {\n return [XYZ[0] * scaleFactor, XYZ[1] * scaleFactor, XYZ[2] * scaleFactor];\n}\n\nexport function rescaleXYZ(X: number, Y: number, Z: number): Coordinate3d {\n return [X * scaleFactor, Y * scaleFactor, Z * scaleFactor];\n}\n\nexport function rescaleVector(vec: Vector3): Vector3 {\n return vec.multiplyScalar(scaleFactor);\n}\n\nexport function rescaleNumber(x: number): number {\n return scaleFactor * x;\n}\n", "import * as THREE from 'three';\nimport { OrbitControls } from 'three/examples/jsm/controls/OrbitControls';\nimport type { PerspectiveCamera } from 'three';\n\nimport { rescaleNumber, rescaleArray } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\nimport type { SimulationContext } from './Simulation';\nimport type { SpaceObject } from './SpaceObject';\n\n/**\n * A wrapper for Three.js camera and controls.\n * TODO(ian): Rename to \"Viewer\"\n */\nexport default class Camera {\n private context: SimulationContext;\n\n private camera: PerspectiveCamera;\n\n private cameraControls: OrbitControls;\n\n private followMesh?: THREE.Object3D;\n\n /**\n * @param {Object} context The simulation context\n */\n constructor(context: SimulationContext) {\n // TODO(ian): Accept either context or container\n this.context = context;\n\n // Optional mesh that we are following.\n this.followMesh = undefined;\n\n const containerWidth = this.context.container.width;\n const containerHeight = this.context.container.height;\n\n const camera = new THREE.PerspectiveCamera(\n 50,\n containerWidth / containerHeight,\n rescaleNumber(0.00001),\n rescaleNumber(2000),\n );\n this.camera = camera;\n\n // Controls\n // TODO(ian): Set maxDistance to prevent camera farplane cutoff.\n // See https://discourse.threejs.org/t/camera-zoom-to-fit-object/936/6\n\n // TODO(ian): Access this better\n const renderer = this.context.simulation.getRenderer();\n\n const controls = new OrbitControls(this.camera, renderer.domElement);\n controls.enableDamping = true;\n controls.dampingFactor = 0.05;\n controls.enablePan = true;\n controls.zoomSpeed = 1.5;\n controls.panSpeed = 2;\n controls.rotateSpeed = 2;\n controls.mouseButtons = {\n LEFT: THREE.MOUSE.ROTATE,\n MIDDLE: THREE.MOUSE.DOLLY,\n RIGHT: THREE.MOUSE.PAN,\n };\n controls.touches = {\n ONE: THREE.TOUCH.ROTATE,\n TWO: THREE.TOUCH.DOLLY_ROTATE,\n };\n this.cameraControls = controls;\n }\n\n /**\n * Move the camera to follow a SpaceObject as it moves. Currently only works\n * for non-particlesystems.\n * @param {SpaceObject} obj SpaceObject to follow.\n * @param {Array.} position Position of the camera with respect to\n * the object.\n */\n followObject(obj: SpaceObject, position: Coordinate3d) {\n const followMesh = obj.get3jsObjects()[0];\n\n this.cameraControls.enablePan = false;\n\n const rescaled = rescaleArray(position);\n this.camera.position.add(\n new THREE.Vector3(rescaled[0], rescaled[1], rescaled[2]),\n );\n\n this.cameraControls.update();\n this.followMesh = followMesh;\n }\n\n /**\n * Stop the camera from following the object.\n */\n stopFollowingObject() {\n if (this.followMesh) {\n this.followMesh.remove(this.camera);\n this.followMesh = undefined;\n this.cameraControls.enablePan = true;\n }\n }\n\n /**\n * @returns {boolean} True if camera is following object.\n */\n isFollowingObject(): boolean {\n return !!this.followMesh;\n }\n\n /**\n * @returns {THREE.PerspectiveCamera} The THREE.js camera object.\n */\n get3jsCamera(): THREE.PerspectiveCamera {\n return this.camera;\n }\n\n /**\n * @returns {THREE.OrbitControls} The THREE.js CameraControls object.\n */\n get3jsCameraControls(): OrbitControls {\n return this.cameraControls;\n }\n\n /**\n * Update the camera position and process control inputs.\n */\n update() {\n if (this.isFollowingObject()) {\n const newpos = this.followMesh!.position.clone();\n\n const offset = newpos.clone().sub(this.cameraControls.target);\n this.camera.position.add(offset);\n\n this.cameraControls.target.set(newpos.x, newpos.y, newpos.z);\n }\n\n // Handle control movements\n this.cameraControls.update();\n\n // Update camera matrix\n this.camera.updateMatrixWorld();\n }\n}\n", "export default class Units {\n static rad(val: number): number {\n return (val * Math.PI) / 180;\n }\n\n static deg(val: number): number {\n return (val * 180) / Math.PI;\n }\n\n static hoursToDeg(val: number): number {\n return val * 15.0;\n }\n\n static sexagesimalToDecimalRa(\n raHour: number,\n raMin: number,\n raSec: number,\n ): number {\n // https://astronomy.stackexchange.com/questions/24518/convert-a-decimal-into-ra-or-dec\n return raHour * 15.0 + raMin / 4.0 + raSec / 240.0;\n }\n\n static sexagesimalToDecimalDec(\n decDeg: number,\n decMin: number,\n decSec: number,\n isObserverBelowEquator: boolean = false,\n ): number {\n const posneg = isObserverBelowEquator ? -1 : 1;\n return decDeg + decMin / 60.0 + (posneg * decSec) / 3600.0;\n }\n\n static valToSexagesimalRa(val: number): [number, number, number] {\n const raHour = Math.trunc(val / 15.0);\n const raMin = Math.trunc((val - raHour * 15.0) * 4.0);\n const raSec = (val - raHour * 15.0 - raMin / 4.0) * 240.0;\n return [raHour, raMin, raSec];\n }\n\n static decimalToSexagesimalDec(\n val: number,\n isObserverBelowEquator: boolean = false,\n ) {\n const posneg = isObserverBelowEquator ? -1 : 1;\n\n const decDeg = Math.trunc(val);\n const decMin = Math.trunc((val - posneg * decDeg) * 60.0 * posneg);\n const decSec =\n (val - posneg * decDeg - (posneg * decMin) / 60.0) * 3600.0 * posneg;\n return [decDeg, decMin, decSec];\n }\n\n static kmToAu(km: number): number {\n return km / 149597870.7;\n }\n\n static auToKm(au: number): number {\n return au * 149597870.7;\n }\n}\n", "import Units from './Units';\n\nexport type Coordinate3d = [number, number, number];\nexport type CoordinateXYZ = {\n x: number;\n y: number;\n z: number;\n};\n\nconst J2000: number = 2451545.0;\n\nexport default class Coordinates {\n static sphericalToCartesian(\n ra: number,\n dec: number,\n dist: number,\n ): Coordinate3d {\n // See http://www.stargazing.net/kepler/rectang.html\n return [\n dist * Math.cos(ra) * Math.cos(dec),\n dist * Math.sin(ra) * Math.cos(dec),\n dist * Math.sin(dec),\n ];\n }\n\n /**\n * See https://en.wikipedia.org/wiki/Ecliptic_coordinate_system#Converting_Cartesian_vector\n */\n static equatorialToEcliptic_Cartesian(\n x: number,\n y: number,\n z: number,\n tilt: number,\n ): Coordinate3d {\n return [\n x,\n Math.cos(tilt) * y + Math.sin(tilt) * z,\n -Math.sin(tilt) * y + Math.cos(tilt) * z,\n ];\n }\n\n static eclipticToEquatorial_Cartesian(\n x: number,\n y: number,\n z: number,\n tilt: number,\n ): Coordinate3d {\n return [\n x,\n Math.cos(tilt) * y + -Math.sin(tilt) * z,\n Math.sin(tilt) * y + Math.cos(tilt) * z,\n ];\n }\n\n /**\n * Get Earth's obliquity and nutation at a given date.\n * @param {Number} jd JD date\n * @return {Object} Object with attributes \"obliquity\" and \"nutation\" provided\n * in radians\n */\n static getNutationAndObliquity(jd: number = J2000): {\n nutation: number;\n obliquity: number;\n } {\n const t = (jd - J2000) / 36525;\n const omega = Units.rad(\n 125.04452 - 1934.136261 * t + 0.0020708 * t * t + (t * t + t) / 450000,\n );\n const Lsun = Units.rad(280.4665 + 36000.7698 * t);\n const Lmoon = Units.rad(218.3165 + 481267.8813 * t);\n\n const nutation =\n (-17.2 / 3600) * Math.sin(omega) -\n (-1.32 / 3600) * Math.sin(2 * Lsun) -\n (0.23 / 3600) * Math.sin(2 * Lmoon) +\n Units.deg((0.21 / 3600) * Math.sin(2 * omega));\n\n const obliquity_zero =\n 23 +\n 26.0 / 60 +\n 21.448 / 3600 -\n (46.815 / 3600) * t -\n (0.00059 / 3600) * t * t +\n (0.001813 / 3600) * t * t * t;\n const obliquity_delta =\n (9.2 / 3600) * Math.cos(omega) +\n (0.57 / 3600) * Math.cos(2 * Lsun) +\n (0.1 / 3600) * Math.cos(2 * Lmoon) -\n (0.09 / 3600) * Math.cos(2 * omega);\n const obliquity = obliquity_zero + obliquity_delta;\n\n return {\n nutation: Units.rad(nutation),\n obliquity: Units.rad(obliquity),\n };\n }\n\n /**\n * Get Earth's obliquity at a given date.\n * @param {Number} jd JD date\n * @return {Number} Obliquity in radians\n */\n static getObliquity(jd: number = J2000): number {\n return this.getNutationAndObliquity(jd).obliquity;\n }\n}\n", "const METERS_IN_AU = 149597870700;\nconst SECONDS_IN_DAY = 86400;\n\ntype EphemAttribute =\n | 'a'\n | 'e'\n | 'i'\n | 'q'\n | 'epoch'\n | 'period'\n | 'tp'\n | 'ma'\n | 'n'\n | 'L'\n | 'om'\n | 'w'\n | 'wBar'\n | 'GM';\n\ninterface EphemAttributes {\n a?: number;\n e?: number;\n i?: number;\n q?: number;\n epoch?: number;\n period?: number;\n tp?: number;\n\n ma?: number;\n n?: number;\n L?: number;\n om?: number;\n w?: number;\n wBar?: number;\n GM?: number;\n}\n\n// TODO(ian): Allow multiple valid attrs for a single quantity and map them\n// internally to a single canonical attribute.\nconst EPHEM_VALID_ATTRS: Set = new Set([\n 'a', // Semi-major axis\n 'e', // Eccentricity\n 'i', // Inclination\n 'q', // Perihelion distance\n\n 'epoch',\n 'period', // in days\n 'tp', // time of perihelion\n\n 'ma', // Mean anomaly\n 'n', // Mean motion\n 'L', // Mean longitude\n\n 'om', // Longitude of Ascending Node\n 'w', // Argument of Perihelion = Longitude of Perihelion - Longitude of Ascending Node\n 'wBar', // Longitude of Perihelion = Longitude of Ascending Node + Argument of Perihelion\n\n 'GM', // Gravitational constant of more massive body\n]);\n\n// Which of these are angular measurements.\nconst ANGLE_UNITS: Set = new Set([\n 'i',\n 'ma',\n 'n',\n 'L',\n 'om',\n 'w',\n 'wBar',\n]);\n\n/**\n * Standard gravitational parameter for objects orbiting these bodies.\n * Units in m^3/s^2\n */\nexport const GM: {\n SUN: number;\n MERCURY: number;\n VENUS: number;\n EARTH_MOON: number;\n MARS: number;\n JUPITER: number;\n SATURN: number;\n URANUS: number;\n NEPTUNE: number;\n PLUTO_CHARON: number;\n} = {\n // See https://space.stackexchange.com/questions/22948/where-to-find-the-best-values-for-standard-gravitational-parameters-of-solar-sys and https://naif.jpl.nasa.gov/pub/naif/generic_kernels/pck/gm_de431.tpc\n SUN: 1.3271244004193938e20,\n MERCURY: 2.2031780000000021e13,\n VENUS: 3.2485859200000006e14,\n EARTH_MOON: 4.0350323550225981e14,\n MARS: 4.2828375214000022e13,\n JUPITER: 1.2671276480000021e17,\n SATURN: 3.7940585200000003e16,\n URANUS: 5.794548600000008e15,\n NEPTUNE: 6.8365271005800236e15,\n PLUTO_CHARON: 9.7700000000000068e11,\n};\n\n// Returns true if object is a number.\nfunction isDef(obj?: number) {\n return typeof obj !== 'undefined' && Number.isFinite(obj);\n}\n\n/**\n * A class representing Kepler ephemerides.\n * @example\n * ```\n * const NEPTUNE = new Ephem({\n * epoch: 2458426.500000000,\n * a: 3.009622263428050E+01,\n * e: 7.362571187193770E-03,\n * i: 1.774569249829094E+00,\n * om: 1.318695882492132E+02,\n * w: 2.586226409499831E+02,\n * ma: 3.152804988924479E+02,\n * }, 'deg'),\n * ```\n */\nexport class Ephem {\n private attrs: EphemAttributes;\n\n private locked: boolean;\n\n /**\n * @param {Object} initialValues A dictionary of initial values. Not all values\n * are required as some may be inferred from others.\n * @param {Number} initialValues.a Semimajor axis\n * @param {Number} initialValues.e Eccentricity\n * @param {Number} initialValues.i Inclination\n * @param {Number} initialValues.epoch Epoch in JD\n * @param {Number} initialValues.period Period in days\n * @param {Number} initialValues.ma Mean anomaly\n * @param {Number} initialValues.n Mean motion\n * @param {Number} initialValues.L Mean longitude\n * @param {Number} initialValues.om Longitude of Ascending Node\n * @param {Number} initialValues.w Argument of Perihelion\n * @param {Number} initialValues.wBar Longitude of Perihelion\n * @param {GM} initialValues.GM Standard gravitational parameter in km^3/s^2.\n * Defaults to GM.SUN. @see {GM}\n * @param {'deg'|'rad'} units The unit of angles in the list of initial values.\n */\n constructor(\n initialValues: EphemAttributes,\n units: 'rad' | 'deg' = 'rad',\n locked: boolean = false,\n ) {\n this.attrs = {};\n this.locked = false;\n\n for (const attr in initialValues) {\n if (initialValues.hasOwnProperty(attr)) {\n const actualUnits = ANGLE_UNITS.has(attr) ? units : null;\n this.set(\n attr as EphemAttribute,\n initialValues[attr as keyof EphemAttributes] as number,\n actualUnits as 'rad' | 'deg',\n );\n }\n }\n\n if (typeof this.attrs.GM === 'undefined') {\n this.attrs.GM = GM.SUN;\n }\n this.fill();\n\n if (this.get('e') > 0.9 && typeof this.getUnsafe('tp') === 'undefined') {\n console.warn(\n 'You must specify \"tp\" (time of perihelion) for highly eccentric orbits',\n );\n }\n\n this.locked = locked;\n }\n\n /**\n * Sets an ephemerides attribute.\n * @param {String} attr The name of the attribute (e.g. 'a')\n * @param {Number} val The value of the attribute (e.g. 0.5)\n * @param {'deg'|'rad'} units The unit of angle provided, if applicable.\n */\n set(attr: EphemAttribute, val: number, units: 'deg' | 'rad' = 'rad') {\n if (this.locked) {\n throw new Error('Attempted to modify locked (immutable) Ephem object');\n }\n\n if (!EPHEM_VALID_ATTRS.has(attr)) {\n console.warn(`Invalid ephem attr: ${attr}`);\n return false;\n }\n\n // Store everything in radians.\n // TODO(ian): Make sure value can't be set with bogus units.\n if (units === 'deg') {\n this.attrs[attr] = (val * Math.PI) / 180;\n } else {\n this.attrs[attr] = val;\n }\n return true;\n }\n\n /**\n * Gets an ephemerides attribute, but may return undefined if it's not set.\n * @param {String} attr The name of the attribute (e.g. 'a')\n * @param {'deg'|'rad'} units The unit of angle desired, if applicable. This\n * input is ignored for values that are not angle measurements.\n * @return {Number} Ephemeris attribute value, or undefined\n */\n getUnsafe(\n attr: EphemAttribute,\n units: 'deg' | 'rad' = 'rad',\n ): number | undefined {\n if (units === 'deg') {\n const attrVal = this.attrs[attr];\n if (typeof attrVal === 'undefined') {\n return undefined;\n }\n return (attrVal * 180) / Math.PI;\n }\n return this.attrs[attr];\n }\n\n /**\n * Gets an ephemerides attribute.\n * @param {String} attr The name of the attribute (e.g. 'a')\n * @param {'deg'|'rad'} units The unit of angle desired, if applicable. This\n * input is ignored for values that are not angle measurements.\n * @return {Number} Ephemeris attribute value\n */\n get(attr: EphemAttribute, units: 'deg' | 'rad' = 'rad'): number {\n const retVal = this.getUnsafe(attr, units);\n if (typeof retVal === 'undefined') {\n console.info(this.attrs);\n throw new Error(\n `Attempted to get ephemeris value '${attr}' but it was undefined`,\n );\n }\n return retVal;\n }\n\n /**\n * @private\n * Infers values of some ephemerides attributes if the required information\n * is available.\n */\n private fill() {\n // Perihelion distance and semimajor axis\n const e = this.getUnsafe('e');\n if (!isDef(e)) {\n console.info(this.attrs);\n throw new Error('Must define eccentricity \"e\" in an orbit');\n }\n\n // Semimajor axis and perihelion distance\n let a = this.getUnsafe('a');\n let q = this.getUnsafe('q');\n if (isDef(a)) {\n if (!isDef(q)) {\n if (e! >= 1.0) {\n throw new Error(\n 'Must provide perihelion distance \"q\" if eccentricity \"e\" is greater than 1',\n );\n }\n q = a! * (1.0 - e!);\n this.set('q', q);\n }\n } else if (isDef(q)) {\n a = q! / (1.0 - e!);\n this.set('a', a);\n } else {\n throw new Error(\n 'Must define semimajor axis \"a\" or perihelion distance \"q\" in an orbit',\n );\n }\n\n // Longitude/Argument of Perihelion and Long. of Ascending Node\n let w = this.getUnsafe('w');\n let wBar = this.getUnsafe('wBar');\n let om = this.getUnsafe('om');\n if (isDef(w) && isDef(om) && !isDef(wBar)) {\n wBar = w! + om!;\n this.set('wBar', wBar);\n } else if (isDef(wBar) && isDef(om) && !isDef(w)) {\n w = wBar! - om!;\n this.set('w', w);\n } else if (isDef(w) && isDef(wBar) && !isDef(om)) {\n om = wBar! - w!;\n this.set('om', om);\n }\n\n // Mean motion and period\n const aMeters = a! * METERS_IN_AU;\n const n = this.getUnsafe('n');\n const GM = this.getUnsafe('GM');\n let period = this.getUnsafe('period');\n\n if (!isDef(period) && isDef(a)) {\n if (!isDef(GM)) {\n throw new Error('Expected ephemeris attribute GM to be set');\n }\n period =\n (2 * Math.PI * Math.sqrt((aMeters * aMeters * aMeters) / GM!)) /\n SECONDS_IN_DAY;\n this.set('period', period);\n }\n\n if (e! < 1.0) {\n // Only work with mean motion for elliptical orbits.\n if (isDef(period) && !isDef(n)) {\n // Set radians\n const newN = (2.0 * Math.PI) / period!;\n this.set('n', newN);\n } else if (isDef(n) && !isDef(period)) {\n this.set('period', (2.0 * Math.PI) / n!);\n }\n }\n\n // Mean longitude\n const ma = this.getUnsafe('ma');\n let L = this.getUnsafe('L');\n if (!isDef(L) && isDef(om) && isDef(w) && isDef(ma)) {\n L = om! + w! + ma!;\n this.set('L', L);\n }\n\n // Mean anomaly\n if (!isDef(ma)) {\n // MA = Mean longitude - Longitude of perihelion\n this.set('ma', L! - wBar!);\n }\n\n // TODO(ian): Handle no om\n }\n\n /**\n * Make this ephem object immutable.\n */\n lock() {\n this.locked = true;\n }\n\n copy(): Ephem {\n return new Ephem(\n {\n GM: this.getUnsafe('GM'),\n epoch: this.getUnsafe('epoch'),\n a: this.getUnsafe('a'),\n e: this.getUnsafe('e'),\n i: this.getUnsafe('i'),\n om: this.getUnsafe('om'),\n ma: this.getUnsafe('ma'),\n w: this.getUnsafe('w'),\n },\n 'rad',\n );\n }\n}\n", "/**\n * Interpolates the given 2D array of data using a Lagrange Polynomial interpolation. User specifies first/last row\n * versus giving a number of sample points and a starting index. For best performance number of points generally would\n * be between 1 (linear) and 7\n *\n * @param {Array} data array\n * @param {Number} xValue value of x to evaluate for function y = f(x) represented by the data\n * @param {Number} sampleRowMin first row of data to use for the interpolation\n * @param {Number} sampleRowMax last row of data to use for the interpolation\n * @param {Number} xIndex the column of data which represents the 'x' variable of y = f(x)\n * @param {Number} yIndex the column of data which represents the 'y' curve data of y = f(x)\n * @returns {Number} the interpolated value of the function f(x) from the data\n */\nexport function interpolate(\n data: number[][],\n xValue: number,\n sampleRowMin: number,\n sampleRowMax: number,\n xIndex: number,\n yIndex: number,\n): number {\n if (data === undefined) {\n throw 'data object is undefined';\n }\n\n if (!Array.isArray(data)) {\n throw 'data object must be an array';\n }\n\n if (sampleRowMin >= sampleRowMax) {\n throw 'first row must be greater than last row';\n }\n\n if (sampleRowMin < 0) {\n throw 'first row must be greater than zero';\n }\n\n if (sampleRowMax > data.length - 1) {\n throw 'last row must be ';\n }\n\n if (!Array.isArray(data[sampleRowMin])) {\n throw 'data in rows must be array data';\n }\n\n const maxColumn = data[0].length - 1;\n if (xIndex < 0 || xIndex > maxColumn) {\n throw `xIndex has to be between 0 and ${maxColumn}: ${xIndex}`;\n }\n\n if (yIndex < 0 || yIndex > maxColumn) {\n throw `yIndex has to be between 0 and ${maxColumn}: ${yIndex}`;\n }\n\n let sum = 0;\n for (let j = sampleRowMin; j <= sampleRowMax; j++) {\n let prod = 1;\n for (let k = sampleRowMin; k <= sampleRowMax; k++) {\n if (k === j) {\n continue;\n }\n prod *= (xValue - data[k][xIndex]) / (data[j][xIndex] - data[k][xIndex]);\n }\n\n sum += prod * data[j][yIndex];\n }\n\n return sum;\n}\n", "import * as THREE from 'three';\n\nconst DEFAULT_COMPARER_METHOD = (a: any, b: any) => {\n return a - b;\n};\n/**\n * @ignore\n */\nexport const DEFAULT_TEXTURE_URL = '{{assets}}/sprites/fuzzyparticle.png';\n\n/**\n * Returns the complete URL to a texture given a basepath and a template url.\n * @param {String} template URL containing optional template parameters\n * @param {String} basePath Base path\n * @example\n * ```\n * getFullUrl('{{assets}}/images/mysprite.png', '/path/to/assets')\n * => '/path/to/assets/images/mysprite.png'\n * ```\n */\nexport function getFullUrl(template: string, basePath: string) {\n return template\n .replace('{{assets}}', `${basePath}/assets`)\n .replace('{{data}}', `${basePath}/data`);\n}\n\n/**\n * Returns the complete URL to a texture given a basepath and a template url.\n * @param {String} template URL containing optional template parameters\n * @param {String} basePath Base path for simulation data and assets.\n * @example\n * ```\n * getFullTextureUrl('{{assets}}/images/mysprite.png', '/path/to/assets')\n * => '/path/to/assets/images/mysprite.png'\n * ```\n */\nexport function getFullTextureUrl(template: string, basePath: string) {\n return getFullUrl(template || DEFAULT_TEXTURE_URL, basePath);\n}\n\n/*\n * Returns a THREE.js texture given a basepath and a template url.\n * @param {String} template URL containing optional template parameters\n * @param {String} basePath Base path for simulation data and assets.\n */\nexport function getThreeJsTexture(template: string, basePath: string) {\n const fullTextureUrl = getFullTextureUrl(template, basePath);\n return new THREE.TextureLoader().load(fullTextureUrl);\n}\n\nexport function getDefaultBasePath() {\n return window.location.href.indexOf('localhost') > -1\n ? '/src/'\n : 'https://typpo.github.io/spacekit/src';\n}\n\n/**\n * Performs a standard binary search on an array of values returning the index of the found item or the twos complement\n * negative of the closest value if the exact value isn't found. For example for array: [10, 20, 30]\n * * Searching for a value of 20 would return an index of 1\n * * Searching for a value of 12 would return a value of -2 (taking the two's complement back '~' give you 1)\n * @param {Array} data an array of values of the type consistent with the comparer method\n * @param value the value to be searched for in the data array\n * @param {Function} [comparer] a function which takes two arguments: first of same type as data row and second as same\n * time as value to compare. Default method is a numerical comparison\n * @returns {number}\n */\nexport function binarySearch(\n data: any[],\n value: any,\n comparer = DEFAULT_COMPARER_METHOD,\n) {\n if (data === undefined) {\n throw 'data object is undefined';\n }\n\n if (!Array.isArray(data)) {\n throw 'data object must be an array';\n }\n\n if (value === undefined) {\n throw 'value object must be defined';\n }\n\n if (comparer === undefined) {\n throw 'comparer must be defined';\n }\n\n let left = 0;\n let right = data.length;\n\n while (left <= right) {\n let middle = Math.floor((left + right) / 2);\n if (middle === data.length) {\n return middle;\n }\n let comparisonCalc = comparer(data[middle], value);\n if (comparisonCalc < 0) {\n left = middle + 1;\n } else if (comparisonCalc > 0) {\n right = middle - 1;\n } else {\n return middle;\n }\n }\n\n return ~left;\n}\n", "import * as SpacekitMath from './Math';\nimport * as Util from './util';\n\nimport Units from './Units';\n\nimport type { Coordinate3d } from './Coordinates';\n\n/**\n * A class representing an ephemeris look-up table for defining a space object.\n */\n\n// Types\ntype InterpolationType = 'lagrange';\ntype EphemType = 'cartesianposvel';\ntype DistanceUnits = 'au' | 'km';\ntype TimeUnits = 'day' | 'sec';\n\ninterface EphemerisTableUnits {\n distance: DistanceUnits;\n time: TimeUnits;\n}\n\ninterface EphemerisTableData {\n data: number[][];\n // TODO(ian): Add the valid strings to typing.\n ephemerisType: EphemType;\n distanceUnits: DistanceUnits;\n timeUnits: TimeUnits;\n interpolationType: InterpolationType;\n interpolationOrder: number;\n}\n\n// Constants\nconst MAX_INTERPOLATION_ORDER = 20;\nconst INCREASING_JDATE_SEARCH_METHOD = (a: number[], b: number) => a[0] - b;\n\n// Default Values\nconst DEFAULT_UNITS: EphemerisTableUnits = {\n distance: 'au',\n time: 'day',\n};\n\nconst DEFAULT_EPHEM_TYPE = 'cartesianposvel';\nconst DEFAULT_INTERPOLATION_TYPE = 'lagrange';\nconst DEFAULT_INTERPOLATION_ORDER = 5;\n\n// Allowable unit types\nconst DISTANCE_UNITS = new Set(['km', 'au']);\nconst EPHEM_TYPES = new Set(['cartesianposvel']);\nconst INTERPOLATION_TYPES = new Set(['lagrange']);\nconst TIME_UNITS = new Set(['day', 'sec']);\n\n/**\n * This class encapsulates the data and necessary methods for operating with look up ephemeris data.\n * Users of the class pass in their ephemeris data as a data structure with the data and the settings for the ephemeris.\n * The settings include things like the units, and the ephemeris representation. The ephemeris data itself is an array\n * of arrays where each line constitute the necessary components of the line.\n *\n * For 'cartesianposvel' style ephemeris each line of data looks like: [Julian Date, X, Y, Z, Vx, Vy, Vz]\n */\nexport class EphemerisTable {\n private units: EphemerisTableUnits;\n\n private ephemType: EphemType;\n\n private interpolationType: InterpolationType;\n\n private interpolationOrder: number;\n\n private data: number[][];\n\n /**\n * @param {Object} ephemerisData Look up ephemeris data to initialize the table with and the properties of it\n * @param {Array.>} ephemerisData.data the ephemeris data appropriate for the specified ephemeris type\n * @param {String} ephemerisData.ephemerisType the type of ephemeres data here (defaults to 'cartesianposvel')\n * @param {String} ephemerisData.distanceUnits the distance units for this data (defaults to AU\n * @param {String} ephemerisData.timeUnits the distance units for this data (defaults to day)\n * @param {String} ephemerisData.interpolationType the type of interpolater to use (defaults to 'lagrange')\n * @param {Number} ephemerisData.interpolationOrder the order of the interpolator to use (defaults to 5)\n */\n constructor(ephemerisData: EphemerisTableData) {\n this.units = JSON.parse(JSON.stringify(DEFAULT_UNITS));\n this.ephemType = DEFAULT_EPHEM_TYPE;\n this.interpolationType = DEFAULT_INTERPOLATION_TYPE;\n this.interpolationOrder = DEFAULT_INTERPOLATION_ORDER;\n\n if (!ephemerisData) {\n throw new Error(\n 'EphemerisTable must be initialized with an ephemeris data structure',\n );\n }\n\n if (\n !ephemerisData.data ||\n !Array.isArray(ephemerisData.data) ||\n ephemerisData.data.length === 0 ||\n !Array.isArray(ephemerisData.data[0])\n ) {\n throw new Error(\n 'EphemerisTable must be initialized with a structure containing an array of arrays of ephemeris data',\n );\n }\n this.data = JSON.parse(JSON.stringify(ephemerisData.data));\n\n if (ephemerisData.distanceUnits) {\n if (!DISTANCE_UNITS.has(ephemerisData.distanceUnits)) {\n throw new Error(\n `Unknown distance units: ${ephemerisData.distanceUnits}`,\n );\n }\n this.units.distance = ephemerisData.distanceUnits;\n }\n\n if (ephemerisData.timeUnits) {\n if (!TIME_UNITS.has(ephemerisData.timeUnits)) {\n throw new Error(`Unknown time units: ${ephemerisData.timeUnits}`);\n }\n this.units.time = ephemerisData.timeUnits;\n }\n\n if (ephemerisData.ephemerisType) {\n if (!EPHEM_TYPES.has(ephemerisData.ephemerisType)) {\n throw new Error(\n `Unknown ephemeris type: ${ephemerisData.ephemerisType}`,\n );\n }\n this.ephemType = ephemerisData.ephemerisType;\n }\n\n if (ephemerisData.interpolationType) {\n if (!INTERPOLATION_TYPES.has(ephemerisData.interpolationType)) {\n throw new Error(\n `Unknown interpolation type: ${ephemerisData.interpolationType}`,\n );\n }\n this.interpolationType = ephemerisData.interpolationType;\n }\n\n if (ephemerisData.interpolationOrder !== undefined) {\n if (\n ephemerisData.interpolationOrder < 1 ||\n ephemerisData.interpolationOrder > MAX_INTERPOLATION_ORDER\n ) {\n throw new Error(\n `Interpolation order must be >0 and <${MAX_INTERPOLATION_ORDER}: ${ephemerisData.interpolationOrder}`,\n );\n }\n this.interpolationOrder = ephemerisData.interpolationOrder;\n }\n\n if (\n this.units.distance !== DEFAULT_UNITS.distance ||\n this.units.time !== DEFAULT_UNITS.time\n ) {\n const distanceMultiplier = this.calcDistanceMultiplier(\n this.units.distance,\n );\n const timeMultiplier = this.calcTimeMultiplier(this.units.time);\n this.data.forEach((line) => {\n line[1] *= distanceMultiplier;\n line[2] *= distanceMultiplier;\n line[3] *= distanceMultiplier;\n line[4] *= distanceMultiplier * timeMultiplier;\n line[5] *= distanceMultiplier * timeMultiplier;\n line[6] *= distanceMultiplier * timeMultiplier;\n });\n }\n }\n\n /**\n * Calculates the interpolated position for the given requested date. If the requested date is before the first\n * point it returns the first point. If the requested date is after the last point it returns the last point.\n * @param {Number} jd of the requested time\n * @returns {Number[]|*[]} x, y, z position in the ephemeris table's reference frame\n */\n getPositionAtTime(jd: number): Coordinate3d {\n if (jd <= this.data[0][0]) {\n return [this.data[0][1], this.data[0][2], this.data[0][3]];\n }\n\n const last = this.data[this.data.length - 1];\n if (jd >= last[0]) {\n return [last[1], last[2], last[3]];\n }\n\n const { startIndex, stopIndex } = this.calcBoundingIndices(jd);\n const x = SpacekitMath.interpolate(\n this.data,\n jd,\n startIndex,\n stopIndex,\n 0,\n 1,\n );\n const y = SpacekitMath.interpolate(\n this.data,\n jd,\n startIndex,\n stopIndex,\n 0,\n 2,\n );\n const z = SpacekitMath.interpolate(\n this.data,\n jd,\n startIndex,\n stopIndex,\n 0,\n 3,\n );\n\n return [x, y, z];\n }\n\n /**\n * Given the start and stop time returns a uniform ephemeris history.\n * @param {Number} startJd the requested start date\n * @param {Number} stopJd the requested stop date\n * @param {Number} stepDays the step size of the data requested in days (can be fractional days)\n * @returns {number[][]}\n */\n getPositions(\n startJd: number,\n stopJd: number,\n stepDays: number,\n ): Coordinate3d[] {\n if (startJd > stopJd) {\n throw new Error(`Requested start needs to be after requested stop`);\n }\n\n if (stepDays <= 0.0) {\n throw new Error('Step days needs to be greater than zero');\n }\n\n const result: Coordinate3d[] = [];\n for (let t = startJd; t <= stopJd; t += stepDays) {\n result.push(this.getPositionAtTime(t));\n }\n\n return result;\n }\n\n /**\n * @private\n */\n private calcDistanceMultiplier(unitType: DistanceUnits): number {\n switch (unitType) {\n case 'au':\n return 1.0;\n case 'km':\n return Units.kmToAu(1);\n default:\n throw new Error('Unknown distance unit type: ' + unitType);\n }\n }\n\n /**\n * @private\n */\n private calcTimeMultiplier(unitType: TimeUnits): number {\n switch (unitType) {\n case 'day':\n return 1.0;\n case 'sec':\n return 1 / 86400.0;\n default:\n throw new Error('Unknown time unit type: ' + unitType);\n }\n }\n\n /**\n * @private\n */\n private calcBoundingIndices(jd: number): {\n startIndex: number;\n stopIndex: number;\n } {\n const halfSampleSize = Math.floor(this.interpolationOrder / 2);\n let closestIndex = Util.binarySearch(\n this.data,\n jd,\n INCREASING_JDATE_SEARCH_METHOD,\n );\n if (closestIndex < 0) {\n closestIndex = ~closestIndex - 1;\n }\n let startIndex = closestIndex - halfSampleSize;\n if (startIndex < 0) {\n startIndex = 0;\n }\n\n let stopIndex = startIndex + Number(this.interpolationOrder);\n if (stopIndex >= this.data.length) {\n stopIndex = this.data.length - 1;\n if (this.data.length > halfSampleSize) {\n startIndex = stopIndex - halfSampleSize;\n }\n }\n\n return { startIndex: startIndex, stopIndex: stopIndex };\n }\n}\n", "import Units from './Units';\nimport { Ephem, GM } from './Ephem';\nimport { getFullUrl } from './util';\n\nimport type { Simulation, SimulationContext } from './Simulation';\n\n/**\n * A dictionary containing ephemerides of planets and other well-known objects.\n * @example\n * ```\n * const planet1 = viz.createObject('planet1', {\n * ephem: EphemPresets.MERCURY,\n * });\n * ```\n */\nexport const EphemPresets: {\n MERCURY: Ephem;\n VENUS: Ephem;\n EARTH: Ephem;\n MOON: Ephem;\n MARS: Ephem;\n JUPITER: Ephem;\n SATURN: Ephem;\n URANUS: Ephem;\n NEPTUNE: Ephem;\n PLUTO: Ephem;\n} = {\n // See https://ssd.jpl.nasa.gov/?planet_pos and https://ssd.jpl.nasa.gov/txt/p_elem_t1.txt\n MERCURY: new Ephem(\n {\n epoch: 2458426.5,\n a: 3.870968969437096e-1,\n e: 2.056515875393916e-1,\n i: 7.003891682749818,\n om: 4.830774804443502e1,\n w: 2.917940253442659e1,\n ma: 2.56190975209273e2,\n },\n 'deg',\n true /* locked */,\n ),\n VENUS: new Ephem(\n {\n epoch: 2458426.5,\n a: 7.233458663591554e-1,\n e: 6.762510759617694e-3,\n i: 3.394567787211735,\n om: 7.662534150657346e1,\n w: 5.474567447560867e1,\n ma: 2.756687596099721e2,\n },\n 'deg',\n true /* locked */,\n ),\n EARTH: new Ephem(\n {\n // Taken from https://nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html\n /*\n epoch: 2451545.0,\n a: 1.00000011,\n e: 0.01671022,\n i: 0.00005,\n om: -11.26064,\n wBar: 102.94719,\n L: 100.46435,\n */\n\n // https://ssd.jpl.nasa.gov/txt/p_elem_t1.txt\n epoch: 2451545.0,\n a: 1.00000261,\n e: 0.01671123,\n i: -0.00001531,\n om: 0.0,\n wBar: 102.93768193,\n L: 100.46457166,\n\n /*\n epoch: 2458426.500000000,\n a: 1.000618919441359E+00,\n e: 1.676780871638673E-02,\n i: 0,\n om: 1.888900932218542E+02,\n w: 2.718307282052625E+02,\n ma: 3.021792498388233E+02,\n */\n },\n 'deg',\n true /* locked */,\n ),\n MOON: new Ephem(\n {\n // https://nssdc.gsfc.nasa.gov/planetary/factsheet/moonfact.html\n GM: 0.3986e6,\n\n // Geocentric\n // https://ssd.jpl.nasa.gov/horizons.cgi#results\n epoch: 2458621.5,\n a: 2.582517063772124e-3,\n e: 4.582543645168888e-2,\n i: 5.102060246928811,\n om: 1.085916732144811e2,\n w: 6.180561793729225e1,\n ma: 5.053270083636792e1,\n /*\n * heliocentric\n epoch: 2458621.500000000,\n a: 1.078855621785179E+00,\n e: 6.333300212090676E-02,\n i: 7.211217382317713E-02,\n om: 6.722057157026397E+01,\n w: 1.503642883585293E+02,\n ma: 1.666758688084831E+01,\n */\n },\n 'deg',\n true /* locked */,\n ),\n MARS: new Ephem(\n {\n epoch: 2458426.5,\n a: 1.52371401537107,\n e: 9.336741335309606e-2,\n i: 1.848141099825311,\n om: 4.950420572080223e1,\n w: 2.866965847685386e2,\n ma: 2.538237617924876e1,\n },\n 'deg',\n true /* locked */,\n ),\n JUPITER: new Ephem(\n {\n epoch: 2458426.5,\n a: 5.20180355911023,\n e: 4.89912558249006e-2,\n i: 1.303560894624275,\n om: 1.005203828847816e2,\n w: 2.73736301845404e2,\n ma: 2.31939544389401e2,\n },\n 'deg',\n true /* locked */,\n ),\n SATURN: new Ephem(\n {\n epoch: 2458426.5,\n a: 9.577177295536776,\n e: 5.101889921719987e-2,\n i: 2.482782449972317,\n om: 1.136154964073247e2,\n w: 3.394422648650336e2,\n ma: 1.870970898012944e2,\n },\n 'deg',\n true /* locked */,\n ),\n URANUS: new Ephem(\n {\n epoch: 2458426.5,\n a: 1.914496966635462e1,\n e: 4.832662948112808e-2,\n i: 7.697511134483724e-1,\n om: 7.414239045667875e1,\n w: 9.942704504702185e1,\n ma: 2.202603033874267e2,\n },\n 'deg',\n true /* locked */,\n ),\n NEPTUNE: new Ephem(\n {\n epoch: 2458426.5,\n a: 3.00962226342805e1,\n e: 7.36257118719377e-3,\n i: 1.774569249829094,\n om: 1.318695882492132e2,\n w: 2.586226409499831e2,\n ma: 3.152804988924479e2,\n },\n 'deg',\n true /* locked */,\n ),\n PLUTO: new Ephem(\n {\n epoch: 2454000.5,\n a: 39.4450697257,\n e: 0.250248713478,\n i: 17.0890009196,\n om: 110.376957955,\n w: 112.597141677,\n ma: 25.2471897122,\n },\n 'deg',\n true /* locked */,\n ),\n};\n\ninterface NaturalSatelliteRecord {\n Planet: string;\n 'Epoch String': string;\n 'Epoch JD': number;\n 'Element Type': string;\n 'Sat.': string;\n tags: string;\n a: number | string;\n e: number | string;\n w: number | string;\n M: number | string;\n i: number | string;\n node: number | string;\n n: number | string;\n P: number | string;\n Pw: number | string;\n Pnode: number | string;\n RA: number | string;\n Dec: number | string | null;\n Tilt: number | string | null;\n Ref: string;\n}\n\n/**\n * A class for fetching orbital elements of natural satellites in our solar\n * system.\n */\nexport class NaturalSatellites {\n private _simulation: Simulation;\n\n private _context: SimulationContext;\n\n private _satellitesByPlanet: Record<\n string,\n {\n name: string;\n elementType: string;\n tags: Set;\n ephem: Ephem;\n }[]\n >;\n\n private _readyPromise: Promise;\n\n constructor(simulation: Simulation) {\n this._simulation = simulation;\n this._context = simulation.getContext();\n\n this._satellitesByPlanet = {};\n const dataUrl = getFullUrl(\n '{{data}}/processed/natural-satellites.json',\n this._context.options.basePath,\n );\n\n this._readyPromise = new Promise((resolve, reject) => {\n fetch(dataUrl)\n .then((resp) => resp.json())\n .then((moons) => {\n moons.forEach((moon: NaturalSatelliteRecord) => {\n const planetName = moon.Planet.toLowerCase();\n if (!this._satellitesByPlanet[planetName]) {\n this._satellitesByPlanet[planetName] = [];\n }\n\n let ephemType;\n switch (moon['Element Type']) {\n case 'Ecliptic':\n // Don't have to do anything\n break;\n case 'Equatorial':\n // TODO(ian): Convert equatorial coords\n ephemType = 'equatorial';\n /*\n throw new Error(\n `Ephemeris type not yet implemented: ${ephemType}`,\n );\n */\n break;\n case 'Laplace':\n // TODO(ian): Convert laplace coords\n ephemType = 'equatorial';\n /*\n throw new Error(\n `Ephemeris type not yet implemented: ${ephemType}`,\n );\n */\n break;\n default:\n console.warn(\n `Ephemeris type not yet implemented: ${ephemType}`,\n );\n return;\n }\n\n let ephemGM;\n switch (moon.Planet) {\n case 'Earth':\n ephemGM = GM.EARTH_MOON;\n break;\n case 'Pluto':\n ephemGM = GM.PLUTO_CHARON;\n break;\n default:\n ephemGM = GM[moon.Planet.toUpperCase() as keyof typeof GM];\n }\n if (!ephemGM) {\n console.error(`Could not look up GM for ${moon.Planet}`);\n }\n\n const ephem = new Ephem(\n {\n GM: ephemGM,\n epoch: Number(moon['Epoch JD']),\n a: Units.kmToAu(Number(moon.a)),\n e: Number(moon.e),\n i: Number(moon.i),\n w: Number(moon.w),\n om: Number(moon.node),\n ma: Number(moon.M),\n },\n 'deg',\n true /* locked */,\n );\n\n this._satellitesByPlanet[planetName].push({\n name: moon['Sat.'],\n elementType: moon['Element Type'],\n tags: new Set(moon['tags'].split(',')),\n ephem,\n });\n });\n console.info('Loaded', moons.length, 'natural satellites');\n resolve(this);\n })\n .catch((err) => {\n reject(err);\n });\n });\n }\n\n /**\n * Get a list of satellites and their orbital elements for a given planet.\n * @param {String} planetName Name of a planet, e.g. \"Jupiter\"\n * @return {Object} List containing a list of dictionaries with information\n * on each satellite.\n */\n getSatellitesForPlanet(planetName: string) {\n return this._satellitesByPlanet[planetName.toLowerCase()];\n }\n\n load(): Promise {\n return this._readyPromise;\n }\n}\n", "import * as THREE from 'three';\n// @ts-ignore\nimport julian from 'julian';\n\nimport { Ephem } from './Ephem';\nimport { EphemerisTable } from './EphemerisTable';\nimport { rescaleArray, rescaleXYZ } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\n\nimport type { LineBasicMaterial } from 'three';\n\nexport enum OrbitType {\n UNKNOWN = 0,\n PARABOLIC = 1,\n HYPERBOLIC = 2,\n ELLIPTICAL = 3,\n TABLE = 4,\n}\n\ninterface OrbitOptions {\n color?: number;\n eclipticLineColor?: number;\n orbitPathSettings?: {\n leadDurationYears?: number;\n trailDurationYears?: number;\n numberSamplePoints?: number;\n };\n}\n\nconst { sin, cos, sqrt } = Math;\n\nconst DEFAULT_LEAD_TRAIL_YEARS = 10;\nconst DEFAULT_SAMPLE_POINTS = 360;\nconst DEFAULT_ORBIT_PATH_SETTINGS = {\n leadDurationYears: DEFAULT_LEAD_TRAIL_YEARS,\n trailDurationYears: DEFAULT_LEAD_TRAIL_YEARS,\n numberSamplePoints: DEFAULT_SAMPLE_POINTS,\n};\n\n/**\n * Special cube root function that assumes input is always positive.\n */\nfunction cbrt(x: number) {\n return Math.exp(Math.log(x) / 3.0);\n}\n\n/**\n * A class that builds a visual representation of a Kepler orbit.\n * @example\n * ```\n * const orbit = new Spacekit.Orbit({\n * ephem: new Spacekit.Ephem({...}),\n * options: {\n * color: 0xFFFFFF,\n * eclipticLineColor: 0xCCCCCC,\n * },\n * });\n * ```\n */\nexport class Orbit {\n private ephem: Ephem | EphemerisTable;\n\n private options: OrbitOptions;\n\n private orbitPoints?: THREE.Vector3[];\n\n private eclipticDropLines?: THREE.LineSegments;\n\n private orbitShape?: THREE.Line;\n\n private orbitStart: number;\n\n private orbitStop: number;\n\n private orbitType: OrbitType;\n\n /**\n * @param {(Ephem | EphemerisTable)} ephem The ephemeris that define this orbit.\n * @param {Object} options\n * @param {Number} options.color The color of the orbital ellipse.\n * @param {Number} options.eclipticLineColor The color of lines drawn\n * @param {Object} options.orbitPathSettings settings for the path\n * @param {Number} options.orbitPathSettings.leadDurationYears orbit path lead time in years\n * @param {Number} options.orbitPathSettings.trailDurationYears orbit path trail time in years\n * @param {Number} options.orbitPathSettings.numberSamplePoints number of\n * points to use when drawing the orbit line. Only applicable for\n * non-elliptical and ephemeris table orbits. perpendicular to the ecliptic\n * in order to illustrate depth (defaults to 0x333333).\n */\n constructor(ephem: Ephem | EphemerisTable, options: OrbitOptions) {\n /**\n * Ephem object\n * @type {(Ephem | EphemerisTable)}\n */\n this.ephem = ephem;\n\n /**\n * Options (see class definition for details)\n */\n this.options = options || {};\n\n /**\n * configuring orbit path lead/trail data\n */\n if (!this.options.orbitPathSettings) {\n this.options.orbitPathSettings = JSON.parse(\n JSON.stringify(DEFAULT_ORBIT_PATH_SETTINGS),\n );\n }\n\n if (!this.options.orbitPathSettings?.leadDurationYears) {\n this.options.orbitPathSettings!.leadDurationYears =\n DEFAULT_LEAD_TRAIL_YEARS;\n }\n\n if (!this.options.orbitPathSettings?.trailDurationYears) {\n this.options.orbitPathSettings!.trailDurationYears =\n DEFAULT_LEAD_TRAIL_YEARS;\n }\n\n if (!this.options.orbitPathSettings?.numberSamplePoints) {\n this.options.orbitPathSettings!.numberSamplePoints =\n DEFAULT_SAMPLE_POINTS;\n }\n\n /**\n * Cached orbital points.\n * @type {Array.}\n */\n this.orbitPoints = undefined;\n\n /**\n * Cached ecliptic drop lines.\n * @type {Array.}\n */\n this.eclipticDropLines = undefined;\n\n /**\n * Cached orbit shape.\n * @type {THREE.Line}\n */\n this.orbitShape = undefined;\n\n /**\n * Time span of the drawn orbit line\n */\n this.orbitStart = 0;\n this.orbitStop = 0;\n\n /**\n * Orbit type\n * @type {OrbitType}\n */\n this.orbitType = Orbit.getOrbitType(this.ephem);\n }\n\n /**\n * Get heliocentric position of object at a given JD.\n * @param {Number} jd Date value in JD.\n * @param {boolean} debug Set true for debug output.\n * @return {Array.} [X, Y, Z] coordinates\n */\n getPositionAtTime(jd: number, debug: boolean = false): Coordinate3d {\n // Note: logic below must match the vertex shader.\n\n // This position calculation is used to create orbital ellipses.\n switch (this.orbitType) {\n case OrbitType.PARABOLIC:\n return this.getPositionAtTimeNearParabolic(jd, debug);\n case OrbitType.HYPERBOLIC:\n return this.getPositionAtTimeHyperbolic(jd, debug);\n case OrbitType.ELLIPTICAL:\n return this.getPositionAtTimeElliptical(jd, debug);\n case OrbitType.TABLE:\n return this.getPositionAtTimeTable(jd, debug);\n default:\n throw new Error('No handler for this type of orbit');\n }\n }\n\n getPositionAtTimeParabolic(jd: number, debug: boolean = false): Coordinate3d {\n // See https://stjarnhimlen.se/comp/ppcomp.html#17\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // The Guassian gravitational constant\n const k = 0.01720209895;\n\n // Perihelion distance\n const q = eph.get('q');\n\n // Compute time since perihelion\n const d = jd - eph.get('tp');\n\n const H = (d * (k / sqrt(2))) / sqrt(q * q * q);\n const h = 1.5 * H;\n const g = sqrt(1.0 + h * h);\n const s = cbrt(g + h) - cbrt(g - h);\n\n // True anomaly\n const v = 2.0 * Math.atan(s);\n // Heliocentric distance\n const r = q * (1.0 + s * s);\n\n return this.vectorToHeliocentric(v, r);\n }\n\n getPositionAtTimeNearParabolic(\n jd: number,\n debug: boolean = false,\n ): Coordinate3d {\n // See https://stjarnhimlen.se/comp/ppcomp.html#17\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // The Guassian gravitational constant\n const k = 0.01720209895;\n\n // Eccentricity\n const e = eph.get('e');\n\n // Perihelion distance\n const q = eph.get('q');\n\n // Compute time since perihelion\n const d = jd - eph.get('tp');\n\n const a = 0.75 * d * k * sqrt((1 + e) / (q * q * q));\n const b = sqrt(1 + a * a);\n const W = cbrt(b + a) - cbrt(b - a);\n const f = (1 - e) / (1 + e);\n\n const a1 = 2 / 3 + (2 / 5) * W * W;\n const a2 = 7 / 5 + (33 / 35) * W * W + (37 / 175) * W ** 4;\n const a3 =\n W * W * (432 / 175 + (956 / 1125) * W * W + (84 / 1575) * W ** 4);\n\n const C = (W * W) / (1 + W * W);\n const g = f * C * C;\n const w = W * (1 + f * C * (a1 + a2 * g + a3 * g * g));\n\n // True anomaly\n const v = 2 * Math.atan(w);\n // Heliocentric distance\n const r = (q * (1 + w * w)) / (1 + w * w * f);\n\n return this.vectorToHeliocentric(v, r);\n }\n\n getPositionAtTimeHyperbolic(\n jd: number,\n debug: boolean = false,\n ): Coordinate3d {\n // See https://stjarnhimlen.se/comp/ppcomp.html#17\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // Eccentricity\n const e = eph.get('e');\n\n // Semimajor axis\n const a = eph.get('a');\n\n // Mean anomaly\n const ma = eph.get('ma');\n\n // Calculate mean anomaly at jd\n const n = eph.get('n', 'rad');\n const epoch = eph.get('epoch');\n const d = jd - epoch;\n\n const M = ma + n * d;\n\n let F0 = M;\n for (let count = 0; count < 100; count++) {\n const F1 =\n (M + e * (F0 * Math.cosh(F0) - Math.sinh(F0))) /\n (e * Math.cosh(F0) - 1);\n const lastdiff = Math.abs(F1 - F0);\n F0 = F1;\n\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n const F = F0;\n\n const v = 2 * Math.atan(sqrt((e + 1) / (e - 1))) * Math.tanh(F / 2);\n const r = (a * (1 - e * e)) / (1 + e * cos(v));\n\n return this.vectorToHeliocentric(v, r);\n }\n\n getPositionAtTimeElliptical(\n jd: number,\n debug: boolean = false,\n ): Coordinate3d {\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // Eccentricity\n const e = eph.get('e');\n\n // Mean anomaly\n const ma = eph.get('ma', 'rad');\n\n // Calculate mean anomaly at jd\n const n = eph.get('n', 'rad');\n const epoch = eph.get('epoch');\n const d = jd - epoch;\n\n const M = ma + n * d;\n if (debug) {\n console.info('period=', eph.get('period'));\n console.info('n=', n);\n console.info('ma=', ma);\n console.info('d=', d);\n console.info('M=', M);\n }\n\n // Estimate eccentric and true anom using iterative approx\n let E0 = M;\n for (let count = 0; count < 100; count++) {\n const E1 = M + e * sin(E0);\n const lastdiff = Math.abs(E1 - E0);\n E0 = E1;\n\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n const E = E0;\n const v = 2 * Math.atan(sqrt((1 + e) / (1 - e)) * Math.tan(E / 2));\n\n // Radius vector, in AU\n const a = eph.get('a');\n const r = (a * (1 - e * e)) / (1 + e * cos(v));\n\n return this.vectorToHeliocentric(v, r);\n }\n\n getPositionAtTimeTable(jd: number, debug: boolean = false): Coordinate3d {\n if (this.ephem instanceof EphemerisTable) {\n const point = this.ephem.getPositionAtTime(jd);\n return rescaleXYZ(point[0], point[1], point[2]);\n }\n throw new Error('Attempted to read ephemeris table of non-table data');\n }\n\n /**\n * Given true anomaly and heliocentric distance, returns the scaled heliocentric coordinates (X, Y, Z)\n * @param {Number} v True anomaly\n * @param {Number} r Heliocentric distance\n * @return {Array.} Heliocentric coordinates\n */\n vectorToHeliocentric(v: number, r: number): Coordinate3d {\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // Inclination, Longitude of ascending node, Longitude of perihelion\n const i = eph.get('i', 'rad');\n const o = eph.get('om', 'rad');\n const p = eph.get('wBar', 'rad');\n\n // Heliocentric coords\n const X = r * (cos(o) * cos(v + p - o) - sin(o) * sin(v + p - o) * cos(i));\n const Y = r * (sin(o) * cos(v + p - o) + cos(o) * sin(v + p - o) * cos(i));\n const Z = r * (sin(v + p - o) * sin(i));\n\n return rescaleXYZ(X, Y, Z);\n }\n\n /**\n * Returns whether the requested epoch is within the current orbit's\n * definition. Used only for ephemeris tables.\n * @param {Number} jd\n * @return {boolean} true if it is within the orbit span, false if not\n */\n needsUpdateForTime(jd: number): boolean {\n if (this.orbitType === OrbitType.TABLE) {\n return jd < this.orbitStart || jd > this.orbitStop;\n }\n // Renderings for other types are static.\n return false;\n }\n\n /**\n * Calculates, caches, and returns the orbit state for this orbit around this time\n * @param {Number} jd center time of the orbit (only used for ephemeris table ephemeris)\n * @param {boolean} forceCompute forces the recomputing of the orbit on this call\n * @return {THREE.Line}\n */\n getOrbitShape(jd?: number, forceCompute = false): THREE.Line {\n if (forceCompute) {\n if (this.orbitShape) {\n this.orbitShape.geometry.dispose();\n (this.orbitShape.material as LineBasicMaterial).dispose();\n }\n\n this.orbitShape = undefined;\n this.orbitPoints = undefined;\n\n if (this.eclipticDropLines) {\n this.eclipticDropLines.geometry.dispose();\n (this.eclipticDropLines.material as LineBasicMaterial).dispose();\n }\n this.eclipticDropLines = undefined;\n }\n\n if (this.orbitShape) {\n // Orbit shape is already computed.\n return this.orbitShape;\n }\n\n if (this.orbitType === OrbitType.ELLIPTICAL) {\n return this.getEllipse();\n }\n\n // Decide on a time range to draw orbits.\n // TODO(ian): Should we compute around current position, not time of perihelion?\n let tp;\n if (this.ephem instanceof EphemerisTable) {\n tp = jd;\n } else {\n tp = this.ephem.getUnsafe('tp');\n }\n // Use current date as a fallback if time of perihelion is not available.\n const centerDate = tp ? tp : julian.toJulianDay(new Date());\n const startJd =\n centerDate - this.options.orbitPathSettings!.trailDurationYears! * 365.25;\n const endJd =\n centerDate + this.options.orbitPathSettings!.leadDurationYears! * 365.25;\n const step =\n (endJd - startJd) / this.options.orbitPathSettings!.numberSamplePoints!;\n\n this.orbitStart = startJd;\n this.orbitStop = endJd;\n\n switch (this.orbitType) {\n case OrbitType.HYPERBOLIC:\n return this.getLine(\n this.getPositionAtTimeHyperbolic.bind(this),\n startJd,\n endJd,\n step,\n );\n case OrbitType.PARABOLIC:\n return this.getLine(\n this.getPositionAtTimeNearParabolic.bind(this),\n startJd,\n endJd,\n step,\n );\n case OrbitType.TABLE:\n return this.getTableOrbit(startJd, endJd, step);\n default:\n throw new Error('Unknown orbit shape');\n }\n }\n\n /**\n * Compute a line between a given date range.\n * @private\n */\n private getLine(\n orbitFn: (jd: number) => Coordinate3d,\n startJd: number,\n endJd: number,\n step: number,\n ) {\n const points: THREE.Vector3[] = [];\n for (let jd = startJd; jd <= endJd; jd += step) {\n const pos = orbitFn(jd);\n points.push(new THREE.Vector3(pos[0], pos[1], pos[2]));\n }\n return this.generateAndCacheOrbitShape(points);\n }\n\n /**\n * Returns the orbit for a table lookup orbit definition\n * @private\n * @param {Number} startJd start of orbit in JDate format\n * @param {Number} stopJd end of orbit in JDate format\n * @param {Number} step step size in days\n * @return {THREE.Line}\n */\n private getTableOrbit(\n startJd: number,\n stopJd: number,\n step: number,\n ): THREE.Line {\n if (this.ephem instanceof Ephem) {\n throw new Error(\n 'Attempted to compute table orbit on non-table ephemeris',\n );\n }\n const rawPoints = this.ephem.getPositions(startJd, stopJd, step);\n const points = rawPoints\n .map((values) => rescaleArray(values))\n .map((values) => new THREE.Vector3(values[0], values[1], values[2]));\n\n return this.generateAndCacheOrbitShape(points);\n }\n\n /**\n * @private\n * @return {THREE.Line} The ellipse object that represents this orbit.\n */\n private getEllipse() {\n const points = this.getEllipsePoints();\n return this.generateAndCacheOrbitShape(points);\n }\n\n /**\n * @private\n * @return {THREE.Vector3[]} A THREE.js geometry\n */\n private getEllipsePoints(): THREE.Vector3[] {\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n const a = eph.get('a');\n const ecc = eph.get('e');\n\n const twoPi = Math.PI * 2;\n const step = twoPi / 90;\n const pts = [];\n for (let E = 0; E < twoPi; E += step) {\n const v = 2 * Math.atan(sqrt((1 + ecc) / (1 - ecc)) * Math.tan(E / 2));\n const r = (a * (1 - ecc * ecc)) / (1 + ecc * cos(v));\n const pos = this.vectorToHeliocentric(v, r);\n\n if (isNaN(pos[0]) || isNaN(pos[1]) || isNaN(pos[2])) {\n console.error(\n 'NaN position value - you may have bad or incomplete data in the following ephemeris:',\n );\n console.error(eph);\n }\n pts.push(new THREE.Vector3(pos[0], pos[1], pos[2]));\n }\n pts.push(pts[0]);\n return pts;\n }\n\n /**\n * @private\n * @return {THREE.Line} Line object\n */\n private generateAndCacheOrbitShape(\n pointVectors: THREE.Vector3[],\n ): THREE.Line {\n this.orbitPoints = pointVectors;\n this.orbitShape = new THREE.Line(\n new THREE.BufferGeometry().setFromPoints(pointVectors),\n new THREE.LineBasicMaterial({\n color: new THREE.Color(this.options.color || 0x444444),\n }),\n );\n return this.orbitShape;\n }\n\n /**\n * A geometry containing line segments that run between the orbit ellipse and\n * the ecliptic plane of the solar system. This is a useful visual effect\n * that makes it easy to tell when an orbit goes below or above the ecliptic\n * plane.\n * @return {THREE.LineSegments} A geometry with many line segments.\n */\n getLinesToEcliptic(): THREE.LineSegments {\n if (this.eclipticDropLines) {\n return this.eclipticDropLines;\n }\n\n if (!this.orbitPoints) {\n // Generate the orbitPoints cache.\n this.getOrbitShape();\n }\n\n // Place a cap on visible lines, for large or highly inclined orbits.\n const points = this.orbitPoints || [];\n let filteredPoints: THREE.Vector3[] = [];\n points.forEach((vertex, idx) => {\n // Drop last point because it's a repeat of the first point.\n if (\n idx === points.length - 1 &&\n this.orbitType === OrbitType.ELLIPTICAL\n ) {\n return;\n }\n filteredPoints.push(vertex);\n filteredPoints.push(new THREE.Vector3(vertex.x, vertex.y, 0));\n });\n const geometry = new THREE.BufferGeometry().setFromPoints(filteredPoints);\n\n this.eclipticDropLines = new THREE.LineSegments(\n geometry,\n new THREE.LineBasicMaterial({\n color: this.options.eclipticLineColor || 0x333333,\n blending: THREE.AdditiveBlending,\n }),\n );\n\n return this.eclipticDropLines;\n }\n\n /**\n * Get the color of this orbit.\n * @return {Number} The hexadecimal color of the orbital ellipse.\n */\n getHexColor(): number {\n return (this.getOrbitShape().material as LineBasicMaterial).color.getHex();\n }\n\n /**\n * @param {Number} hexVal The hexadecimal color of the orbital ellipse.\n */\n setHexColor(hexVal: number) {\n (this.getOrbitShape().material as LineBasicMaterial).color =\n new THREE.Color(hexVal);\n }\n\n /**\n * Get the visibility of this orbit.\n * @return {boolean} Whether the orbital ellipse is visible. Note that\n * although the ellipse may not be visible, it is still present in the\n * underlying Scene and Simultation.\n */\n getVisibility(): boolean {\n return this.getOrbitShape().visible;\n }\n\n /**\n * Change the visibility of this orbit.\n * @param {boolean} val Whether to show the orbital ellipse.\n */\n setVisibility(val: boolean) {\n this.getOrbitShape().visible = val;\n }\n\n /**\n * Get the type of orbit. Returns one of OrbitType.PARABOLIC, HYPERBOLIC,\n * ELLIPTICAL, or UNKNOWN.\n * @param {(Ephem | EphemerisTable)} Ephemeris\n * @return {OrbitType} Name of orbit type\n */\n static getOrbitType(ephem: Ephem | EphemerisTable): OrbitType {\n if (ephem instanceof EphemerisTable) {\n return OrbitType.TABLE;\n }\n\n const e = ephem.get('e');\n if (e > 0.9 && e < 1.2) {\n return OrbitType.PARABOLIC;\n }\n if (e > 1.2) {\n return OrbitType.HYPERBOLIC;\n }\n return OrbitType.ELLIPTICAL;\n }\n}\n", "import * as THREE from 'three';\n// @ts-ignore\nimport julian from 'julian';\nimport Stats from 'three/examples/jsm/libs/stats.module';\nimport {\n BloomEffect,\n EffectComposer,\n EffectPass,\n RenderPass,\n // @ts-ignore\n} from 'postprocessing';\n\nimport type { Scene, Object3D, Vector3, WebGL1Renderer } from 'three';\n\nimport Camera from './Camera';\nimport { KeplerParticles } from './KeplerParticles';\nimport { NaturalSatellites } from './EphemPresets';\nimport { ShapeObject } from './ShapeObject';\nimport { Skybox } from './Skybox';\nimport { SpaceObject } from './SpaceObject';\nimport { SphereObject } from './SphereObject';\nimport { StaticParticles } from './StaticParticles';\nimport { Stars } from './Stars';\nimport { getDefaultBasePath } from './util';\nimport { setScaleFactor, rescaleArray } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\n\n// TODO(ian): Make this an interface.\nexport interface SimulationObject {\n update: (jd: number, force: boolean) => void;\n get3jsObjects(): THREE.Object3D[];\n getId(): string;\n}\n\ninterface CameraOptions {\n initialPosition?: Coordinate3d;\n enableDrift?: boolean;\n}\n\ninterface DebugOptions {\n showAxes?: boolean;\n showGrid?: boolean;\n showStats?: boolean;\n}\n\ninterface SpacekitOptions {\n basePath: string;\n startDate?: Date;\n jd?: number;\n jdDelta?: number;\n jdPerSecond?: number;\n unitsPerAu?: number;\n startPaused?: boolean;\n maxNumParticles?: number;\n particleTextureUrl?: string;\n particleDefaultSize?: number;\n camera?: CameraOptions;\n debug?: DebugOptions;\n}\n\nexport interface SimulationContext {\n simulation: Simulation;\n options: SpacekitOptions;\n objects: {\n renderer: WebGL1Renderer;\n camera: Camera;\n scene: Scene;\n particles: KeplerParticles;\n composer?: EffectComposer;\n };\n container: {\n width: number;\n height: number;\n };\n}\n\n/**\n * The main entrypoint of a visualization.\n *\n * This class wraps a THREE.js scene, controls, skybox, etc in an animated\n * Simulation.\n *\n * @example\n * ```\n * const sim = new Spacekit.Simulation(document.getElementById('my-container'), {\n * basePath: '../path/to/assets',\n * startDate: Date.now(),\n * jd: 0.0,\n * jdDelta: 10.0,\n * jdPerSecond: 100.0, // overrides jdDelta\n * startPaused: false,\n * unitsPerAu: 1.0,\n * maxNumParticles: 2**16,\n * camera: {\n * initialPosition: [0, -10, 5],\n * enableDrift: false,\n * },\n * debug: {\n * showAxes: false,\n * showGrid: false,\n * showStats: false,\n * },\n * });\n * ```\n */\nexport class Simulation {\n public onTick?: () => void;\n\n private simulationElt: HTMLCanvasElement;\n\n private options: SpacekitOptions;\n\n private jd: number;\n\n private jdDelta?: number;\n\n private jdPerSecond: number;\n\n private isPaused: boolean;\n\n private enableCameraDrift: boolean;\n\n private cameraDefaultPos: Coordinate3d;\n\n private camera: Camera;\n\n private useLightSources: boolean;\n\n private lightPosition?: Vector3;\n\n private subscribedObjects: Record;\n\n private particles: KeplerParticles;\n\n private stats?: Stats;\n\n private fps: number;\n\n private lastUpdatedTime: number;\n\n private lastStaticCameraUpdateTime: number;\n\n private lastResizeUpdateTime: number;\n\n private renderEnabled: boolean;\n\n private initialRenderComplete: boolean;\n\n private scene: Scene;\n\n private renderer: WebGL1Renderer;\n\n private composer?: EffectComposer;\n\n /**\n * @param {HTMLCanvasElement} simulationElt The container for this simulation.\n * @param {Object} options for simulation\n * @param {String} options.basePath Path to simulation assets and data\n * @param {Date} options.startDate The start date and time for this\n * simulation.\n * @param {Number} options.jd The JD date of this simulation.\n * Defaults to 0\n * @param {Number} options.jdDelta The number of JD to add every tick of\n * the simulation.\n * @param {Number} options.jdPerSecond The number of jd to add every second.\n * Use this instead of `jdDelta` for constant motion that does not vary with\n * framerate. Defaults to 100.\n * @param {Number} options.unitsPerAu The number of \"position\" units in the\n * simulation that represent an AU. This is an optional setting that you may\n * use if the default (1 unit = 1 AU) is too small for your simulation (e.g.\n * if you are representing a planetary system). Depending on your graphics\n * card, you may begin to notice inaccuracies at fractional scales of GL\n * units, so it becomes necessary to scale the whole visualization. Defaults\n * to 1.0.\n * @param {boolean} options.startPaused Whether the simulation should start\n * in a paused state.\n * @param {Number} options.maxNumParticles The maximum number of particles in\n * the visualization. Try choosing a number that is larger than your\n * particles, but not too much larger. It's usually good enough to choose the\n * next highest power of 2. If you're not showing many particles (tens of\n * thousands+), you don't need to worry about this.\n * @param {String} options.particleTextureUrl The texture for the default\n * particle system.\n * @param {Number} options.particleDefaultSize The default size for the\n * particle system.\n * @param {Object} options.camera Options for camera\n * @param {Array.} options.camera.initialPosition Initial X, Y, Z\n * coordinates of the camera. Defaults to [0, -10, 5].\n * @param {boolean} options.camera.enableDrift Set true to have the camera\n * float around slightly. False by default.\n * @param {Object} options.debug Options dictating debug state.\n * @param {boolean} options.debug.showAxes Show X, Y, and Z axes\n * @param {boolean} options.debug.showGrid Show grid on XY plane\n * @param {boolean} options.debug.showStats Show FPS and other stats\n * (requires stats.js).\n */\n constructor(simulationElt: HTMLCanvasElement, options: SpacekitOptions) {\n this.simulationElt = simulationElt;\n this.options = options || {};\n this.options.basePath = this.options.basePath || getDefaultBasePath();\n\n this.jd =\n typeof this.options.jd === 'undefined'\n ? Number(julian(this.options.startDate || new Date()))\n : this.options.jd;\n this.jdDelta = this.options.jdDelta;\n this.jdPerSecond = this.options.jdPerSecond || 100;\n this.isPaused = options.startPaused || false;\n this.onTick = undefined;\n\n this.enableCameraDrift = false;\n this.cameraDefaultPos = rescaleArray([0, -10, 5]);\n if (this.options.camera) {\n this.enableCameraDrift = !!this.options.camera.enableDrift;\n if (this.options.camera.initialPosition) {\n this.cameraDefaultPos = rescaleArray(\n this.options.camera.initialPosition,\n );\n }\n }\n\n this.useLightSources = false;\n this.lightPosition = undefined;\n\n this.subscribedObjects = {};\n\n // This makes controls.lookAt and other objects treat the positive Z axis\n // as \"up\" direction.\n THREE.Object3D.DefaultUp = new THREE.Vector3(0, 0, 1);\n\n // Scale\n if (this.options.unitsPerAu) {\n setScaleFactor(this.options.unitsPerAu);\n }\n\n // stats.js panel\n this.stats = undefined;\n this.fps = 1;\n\n this.lastUpdatedTime = Date.now();\n this.lastStaticCameraUpdateTime = Date.now();\n this.lastResizeUpdateTime = Date.now();\n\n // Rendering\n this.renderEnabled = true;\n this.initialRenderComplete = false;\n this.animate = this.animate.bind(this);\n\n this.renderer = this.initRenderer();\n this.scene = new THREE.Scene();\n this.camera = new Camera(this.getContext());\n this.composer = undefined;\n\n // Orbit particle system must be initialized after scene is created and\n // scale is set.\n this.particles = new KeplerParticles(\n {\n textureUrl:\n this.options.particleTextureUrl ||\n '{{assets}}/sprites/smallparticle.png',\n jd: this.jd,\n maxNumParticles: this.options.maxNumParticles,\n defaultSize: this.options.particleDefaultSize,\n },\n this,\n );\n\n this.init();\n this.animate();\n }\n\n /**\n * @private\n */\n private init() {\n // Camera\n this.camera\n .get3jsCamera()\n .position.set(\n this.cameraDefaultPos[0],\n this.cameraDefaultPos[1],\n this.cameraDefaultPos[2],\n );\n // window.cam = camera.get3jsCamera();\n\n // Events\n this.simulationElt.onmousedown = this.simulationElt.ontouchstart = () => {\n // When user begins interacting with the visualization, disable camera\n // drift.\n this.enableCameraDrift = false;\n };\n\n (() => {\n let listenToCameraEvents = false;\n this.camera.get3jsCameraControls().addEventListener('change', () => {\n // Camera will send a few initial events - ignore these.\n if (listenToCameraEvents) {\n this.staticForcedUpdate();\n }\n });\n setTimeout(() => {\n // Send an update when the visualization is done loading.\n this.staticForcedUpdate();\n listenToCameraEvents = true;\n this.initialRenderComplete = true;\n }, 0);\n })();\n\n this.simulationElt.addEventListener('resize', () => {\n this.resizeUpdate();\n });\n\n window.addEventListener('resize', () => {\n this.resizeUpdate();\n });\n\n // Helper\n if (this.options.debug) {\n if (this.options.debug.showGrid) {\n const gridHelper = new THREE.GridHelper(undefined, undefined);\n gridHelper.geometry.rotateX(Math.PI / 2);\n this.scene.add(gridHelper);\n }\n if (this.options.debug.showAxes) {\n this.scene.add(new THREE.AxesHelper(0.5));\n }\n if (this.options.debug.showStats) {\n this.stats = new (Stats as any)();\n this.stats!.showPanel(0);\n this.simulationElt.appendChild(this.stats!.dom);\n }\n }\n\n // Set up effect composer, etc.\n this.initPasses();\n }\n\n /**\n * @private\n */\n private initRenderer(): THREE.WebGL1Renderer {\n // TODO(ian): Upgrade to webgl 2. See https://discourse.threejs.org/t/webgl2-breaking-custom-shader/16603/4\n const renderer = new THREE.WebGL1Renderer({\n antialias: true,\n //logarithmicDepthBuffer: true,\n });\n console.info(\n 'Max texture resolution:',\n renderer.capabilities.maxTextureSize,\n );\n\n const maxPrecision = renderer.capabilities.getMaxPrecision('highp');\n if (maxPrecision !== 'highp') {\n console.warn(\n `Shader maximum precision is \"${maxPrecision}\", GPU rendering may not be accurate.`,\n );\n }\n\n renderer.setPixelRatio(window.devicePixelRatio);\n renderer.setSize(\n this.simulationElt.offsetWidth,\n this.simulationElt.offsetHeight,\n );\n\n this.simulationElt.appendChild(renderer.domElement);\n\n return renderer;\n }\n\n /**\n * @private\n */\n private initPasses() {\n //const smaaEffect = new SMAAEffect(assets.get(\"smaa-search\"), assets.get(\"smaa-area\"));\n //smaaEffect.colorEdgesMaterial.setEdgeDetectionThreshold(0.065);\n\n const camera = this.camera.get3jsCamera();\n\n /*\n const sunGeometry = new THREE.SphereBufferGeometry(\n rescaleNumber(0.004),\n 16,\n );\n const sunMaterial = new THREE.MeshBasicMaterial({\n color: 0xffddaa,\n transparent: true,\n depthWrite: false,\n fog: false,\n });\n const sun = new THREE.Mesh(sunGeometry, sunMaterial);\n const rescaled = rescaleArray([0.1, 0.1, 0.0]);\n sun.position.set(rescaled[0], rescaled[1], rescaled[2]);\n sun.updateMatrix();\n sun.updateMatrixWorld();\n\n const godRaysEffect = new GodRaysEffect(camera, sun, {\n color: 0xfff5f2,\n blur: false,\n });\n */\n //godRaysEffect.dithering = true;\n\n const bloomEffect = new BloomEffect({\n width: 240,\n height: 240,\n luminanceThreshold: 0.2,\n });\n bloomEffect.blendMode.opacity.value = 2.3;\n\n const renderPass = new RenderPass(this.scene, camera);\n renderPass.renderToScreen = false;\n\n const effectPass = new EffectPass(\n camera,\n /*smaaEffect, godRaysEffect*/ bloomEffect,\n );\n effectPass.renderToScreen = true;\n\n const composer = new EffectComposer(this.renderer);\n composer.addPass(renderPass);\n composer.addPass(effectPass);\n this.composer = composer;\n }\n\n /**\n * @private\n */\n private update(force = false) {\n for (const objId in this.subscribedObjects) {\n if (this.subscribedObjects.hasOwnProperty(objId)) {\n this.subscribedObjects[objId].update(this.jd, force);\n }\n }\n }\n\n /**\n * Performs a forced update of all elements in the view. This is used for when the system isn't animating but the\n * objects need to update their data to properly capture things like updated label positions.\n * @private\n */\n private staticForcedUpdate() {\n if (this.isPaused) {\n const now = Date.now();\n const timeDelta = now - this.lastStaticCameraUpdateTime;\n const threshold = 30;\n // TODO(ian): Also do this based on viewport change. Otherwise things like scrolling don't work well.\n if (timeDelta > threshold) {\n this.update(true /* force */);\n this.lastStaticCameraUpdateTime = now;\n }\n }\n }\n\n /**\n * @private\n * Updates the size of the control and forces a refresh of components whenever the control is being resized.\n */\n private resizeUpdate() {\n const now = Date.now();\n const timeDelta = now - this.lastResizeUpdateTime;\n const threshold = 30;\n\n if (timeDelta > threshold) {\n const newWidth = this.simulationElt.offsetWidth;\n const newHeight = this.simulationElt.offsetHeight;\n if (newWidth === 0 && newHeight === 0) {\n return;\n }\n const camera = this.camera.get3jsCamera();\n camera.aspect = newWidth / newHeight;\n camera.updateProjectionMatrix();\n this.renderer.setSize(newWidth, newHeight);\n this.staticForcedUpdate();\n this.lastResizeUpdateTime = now;\n }\n }\n\n /**\n * @private\n * TODO(ian): Move this into Camera\n */\n private doCameraDrift() {\n // Follow floating path around\n const timer = 0.0001 * Date.now();\n const pos = this.cameraDefaultPos;\n const cam = this.camera.get3jsCamera();\n cam.position.x = pos[0] + (pos[0] * (Math.cos(timer) + 1)) / 3;\n cam.position.z = pos[2] + (pos[2] * (Math.sin(timer) + 1)) / 3;\n }\n\n /**\n * @private\n */\n private animate() {\n if (!this.renderEnabled && this.initialRenderComplete) {\n return;\n }\n\n window.requestAnimationFrame(this.animate);\n\n if (this.stats) {\n this.stats.begin();\n }\n\n if (!this.isPaused) {\n if (this.jdDelta) {\n this.jd += this.jdDelta;\n } else {\n // N jd per second\n this.jd += this.jdPerSecond / this.fps;\n }\n\n const timeDelta = (Date.now() - this.lastUpdatedTime) / 1000;\n this.lastUpdatedTime = Date.now();\n this.fps = 1 / timeDelta || 1;\n\n // Update objects in this simulation\n this.update();\n }\n\n // Update camera drifting, if applicable\n if (this.enableCameraDrift) {\n this.doCameraDrift();\n }\n this.camera.update();\n\n // Update three.js scene\n this.renderer.render(this.scene, this.camera.get3jsCamera());\n //this.composer.render(0.1);\n\n if (this.onTick) {\n this.onTick();\n }\n\n if (this.stats) {\n this.stats.end();\n }\n }\n\n /**\n * Add a spacekit object (usually a SpaceObject) to the visualization.\n * @see SpaceObject\n * @param {Object} obj Object to add to visualization\n * @param {boolean} noUpdate Set to true if object does not need to be\n * animated.\n */\n addObject(obj: SimulationObject, noUpdate: boolean = false) {\n obj.get3jsObjects().map((x) => {\n this.scene.add(x);\n });\n\n if (!noUpdate) {\n // Call for updates as time passes.\n const objId = obj.getId();\n if (this.subscribedObjects[objId]) {\n console.error(\n `Object id is not unique: \"${objId}\". This could prevent objects from updating correctly.`,\n );\n }\n this.subscribedObjects[objId] = obj;\n }\n }\n\n /**\n * Removes an object from the visualization.\n * @param {Object} obj Object to remove\n */\n removeObject(obj: SpaceObject) {\n // TODO(ian): test this and avoid memory leaks...\n obj.get3jsObjects().map((x) => {\n this.scene.remove(x);\n });\n\n if (typeof obj.removalCleanup === 'function') {\n obj.removalCleanup();\n }\n delete this.subscribedObjects[obj.getId()];\n }\n\n /**\n * Shortcut for creating a new SpaceObject belonging to this visualization.\n * Takes any SpaceObject arguments.\n * @see SpaceObject\n */\n // @ts-ignore\n createObject(...args): SpaceObject {\n // @ts-ignore\n return new SpaceObject(...args, this);\n }\n\n /**\n * Shortcut for creating a new ShapeObject belonging to this visualization.\n * Takes any ShapeObject arguments.\n * @see ShapeObject\n */\n // @ts-ignore\n createShape(...args): ShapeObject {\n // @ts-ignore\n return new ShapeObject(...args, this);\n }\n\n /**\n * Shortcut for creating a new SphereOjbect belonging to this visualization.\n * Takes any SphereObject arguments.\n * @see SphereObject\n */\n // @ts-ignore\n createSphere(...args): SphereObject {\n // @ts-ignore\n return new SphereObject(...args, this);\n }\n\n /**\n * Shortcut for creating a new StaticParticles object belonging to this visualization.\n * Takes any StaticParticles arguments.\n * @see SphereObject\n */\n // @ts-ignore\n createStaticParticles(...args): StaticParticles {\n // @ts-ignore\n return new StaticParticles(...args, this);\n }\n\n /**\n * Shortcut for creating a new Skybox belonging to this visualization. Takes\n * any Skybox arguments.\n * @see Skybox\n */\n // @ts-ignore\n createSkybox(...args): Skybox {\n // @ts-ignore\n return new Skybox(...args, this);\n }\n\n /**\n * Shortcut for creating a new Stars object belonging to this visualization.\n * Takes any Stars arguments.\n * @see Stars\n */\n // @ts-ignore\n createStars(...args): Stars {\n if (args.length) {\n // @ts-ignore\n return new Stars(...args, this);\n }\n // No arguments supplied\n return new Stars({}, this);\n }\n\n /**\n * Creates an ambient light source. This will dimly light everything in the\n * visualization.\n * @param {Number} color Color of light, default 0x333333\n */\n createAmbientLight(color: number = 0x333333) {\n this.scene.add(new THREE.AmbientLight(color));\n this.useLightSources = true;\n }\n\n /**\n * Creates a light source. This will make the shape of your objects visible\n * and provide some contrast.\n * @param {Array.} pos Position of light source. Defaults to moving\n * with camera.\n * @param {Number} color Color of light, default 0xFFFFFF\n */\n createLight(\n pos: Coordinate3d | undefined = undefined,\n color: number = 0xffffff,\n ) {\n if (this.lightPosition) {\n console.warn(\n \"Spacekit doesn't support more than one light source for SphereObjects\",\n );\n }\n this.lightPosition = new THREE.Vector3();\n\n // Pointlight is for standard meshes created by ShapeObjects.\n // TODO(ian): Remove this point light.\n const pointLight = new THREE.PointLight();\n\n if (typeof pos === 'undefined') {\n // The light comes from the camera.\n // FIXME(ian): This only affects the point source.\n this.camera.get3jsCameraControls().addEventListener('change', () => {\n this.lightPosition!.copy(this.camera.get3jsCamera().position);\n pointLight.position.copy(this.camera.get3jsCamera().position);\n });\n } else {\n const rescaled = rescaleArray(pos);\n this.lightPosition.set(rescaled[0], rescaled[1], rescaled[2]);\n pointLight.position.set(rescaled[0], rescaled[1], rescaled[2]);\n }\n\n this.scene.add(pointLight);\n this.useLightSources = true;\n }\n\n getLightPosition(): Vector3 | undefined {\n return this.lightPosition;\n }\n\n isUsingLightSources(): boolean {\n return this.useLightSources;\n }\n\n /**\n * Returns a promise that receives a NaturalSatellites object when it is\n * resolved.\n * @return {Promise} NaturalSatellites object that is\n * ready to load.\n *\n * @see {NaturalSatellites}\n */\n loadNaturalSatellites(): Promise {\n return new NaturalSatellites(this).load();\n }\n\n /**\n * Installs a scroll handler that only renders the visualization while it is\n * in the user's viewport.\n *\n * The scroll handler currently binds to the window object only.\n */\n renderOnlyInViewport() {\n let previouslyInView = true;\n const isInView = () => {\n const rect = this.simulationElt.getBoundingClientRect();\n const windowHeight =\n window.innerHeight || document.documentElement.clientHeight;\n const windowWidth =\n window.innerWidth || document.documentElement.clientWidth;\n const vertInView =\n rect.top <= windowHeight && rect.top + rect.height >= 0;\n const horInView = rect.left <= windowWidth && rect.left + rect.width >= 0;\n\n return vertInView && horInView;\n };\n\n window.addEventListener('scroll', () => {\n const inView = isInView();\n if (previouslyInView && !inView) {\n // Went out of view\n this.renderEnabled = false;\n previouslyInView = false;\n } else if (!previouslyInView && inView) {\n // Came into view\n this.renderEnabled = true;\n window.requestAnimationFrame(this.animate);\n previouslyInView = true;\n }\n });\n\n if (!isInView()) {\n // Initial state is render enabled, so disable it if currently out of\n // view.\n this.renderEnabled = false;\n previouslyInView = false;\n }\n }\n\n /**\n * Adjust camera position so that the object fits within the viewport. If\n * applicable, this function will fit around the object's orbit.\n * @param {SpaceObject} spaceObj Object to fit within viewport.\n * @param {Number} offset Add some extra room in the viewport. Increase to be\n * further zoomed out, decrease to be closer. Default 3.0.\n */\n async zoomToFit(\n spaceObj: SpaceObject,\n offset: number = 3.0,\n ): Promise {\n const orbit = spaceObj.getOrbit();\n const obj = orbit\n ? orbit.getOrbitShape()\n : await spaceObj.getBoundingObject();\n if (obj) {\n this.doZoomToFit(obj, offset);\n return true;\n }\n return false;\n }\n\n /**\n * @private\n * Perform the actual zoom to fit behavior.\n * @param {Object3D} obj Three.js object to fit within viewport.\n * @param {Number} offset Add some extra room in the viewport. Increase to be\n * further zoomed out, decrease to be closer. Default 3.0.\n */\n private doZoomToFit(obj: Object3D, offset: number) {\n const boundingBox = new THREE.Box3();\n boundingBox.setFromObject(obj);\n\n const center = new THREE.Vector3();\n boundingBox.getCenter(center);\n const size = new THREE.Vector3();\n boundingBox.getSize(size);\n\n // Get the max side of the bounding box (fits to width OR height as needed)\n const camera = this.camera.get3jsCamera();\n const maxDim = Math.max(size.x, size.y, size.z);\n const fov = camera.fov * (Math.PI / 180);\n const cameraZ = Math.abs((maxDim / 2) * Math.tan(fov * 2)) * offset;\n\n const objectWorldPosition = new THREE.Vector3();\n obj.getWorldPosition(objectWorldPosition);\n const directionVector = camera.position.sub(objectWorldPosition); // Get vector from camera to object\n const unitDirectionVector = directionVector.normalize(); // Convert to unit vector\n\n const newpos = unitDirectionVector.multiplyScalar(cameraZ);\n camera.position.x = newpos.x;\n camera.position.y = newpos.y;\n camera.position.z = newpos.z;\n camera.updateProjectionMatrix();\n\n // Update default camera pos so if drift is on, camera will drift around\n // its new position.\n this.cameraDefaultPos = [newpos.x, newpos.y, newpos.z];\n }\n\n /**\n * Run the animation\n */\n start() {\n this.lastUpdatedTime = Date.now();\n this.isPaused = false;\n }\n\n /**\n * Stop the animation\n */\n stop() {\n this.isPaused = true;\n }\n\n /**\n * Gets the current JD date of the simulation\n * @return {Number} JD date\n */\n getJd(): number {\n return this.jd;\n }\n\n /**\n * Sets the JD date of the simulation.\n * @param {Number} val JD date\n */\n setJd(val: number) {\n this.jd = val;\n this.update(true);\n }\n\n /**\n * Get a date object representing local date and time of the simulation.\n * @return {Date} Date of simulation\n */\n getDate(): Date {\n return julian.toDate(this.jd);\n }\n\n /**\n * Set the local date and time of the simulation.\n * @param {Date} date Date of simulation\n */\n setDate(date: Date) {\n this.setJd(Number(julian(date)));\n }\n\n /**\n * Get the JD per frame of the visualization.\n */\n getJdDelta() {\n if (!this.jdDelta) {\n return this.jdPerSecond / this.fps;\n }\n return this.jdDelta;\n }\n\n /**\n * Set the JD per frame of the visualization. This will override any\n * existing \"JD per second\" setting.\n * @param {Number} delta JD per frame\n */\n setJdDelta(delta: number) {\n this.jdDelta = delta;\n }\n\n /**\n * Get the JD change per second of the visualization.\n * @return {Number | undefined} JD per second, undefined if jd per second is\n * not set.\n */\n getJdPerSecond(): number | undefined {\n if (this.jdDelta) {\n // Jd per second can vary\n return undefined;\n }\n return this.jdPerSecond;\n }\n\n /**\n * Set the JD change per second of the visualization.\n * @param {Number} x JD per second\n */\n setJdPerSecond(x: number) {\n // Delta overrides jd per second, so unset it.\n this.jdDelta = undefined;\n\n this.jdPerSecond = x;\n }\n\n /**\n * Get an object that contains useful context for this visualization\n * @return {Object} Context object\n */\n getContext(): SimulationContext {\n return {\n simulation: this,\n options: this.options,\n objects: {\n particles: this.particles,\n camera: this.camera,\n scene: this.scene,\n renderer: this.renderer,\n composer: this.composer,\n },\n container: {\n width: this.simulationElt.offsetWidth,\n height: this.simulationElt.offsetHeight,\n },\n };\n }\n\n /**\n * Get the element containing this simulation\n * @return {HTMLElement} The html container of this simulation\n */\n getSimulationElement(): HTMLCanvasElement {\n return this.simulationElt;\n }\n\n /**\n * Get the Camera and CameraControls wrapper object\n * @return {Camera} The Camera wrapper\n */\n getViewer(): Camera {\n return this.camera;\n }\n\n /**\n * Get the three.js scene object\n * @return {THREE.Scene} The THREE.js scene object\n */\n getScene(): THREE.Scene {\n return this.scene;\n }\n\n /**\n * Get the three.js renderer\n * @return {THREE.WebGL1Renderer} The THREE.js renderer\n */\n getRenderer(): THREE.WebGL1Renderer {\n return this.renderer;\n }\n\n /**\n * Enable or disable camera drift.\n * @param {boolean} driftOn True if you want the camera to float around a bit\n */\n setCameraDrift(driftOn: boolean) {\n this.enableCameraDrift = driftOn;\n }\n}\n\nexport default Simulation;\n", "var Stats = function () {\n\n\tvar mode = 0;\n\n\tvar container = document.createElement( 'div' );\n\tcontainer.style.cssText = 'position:fixed;top:0;left:0;cursor:pointer;opacity:0.9;z-index:10000';\n\tcontainer.addEventListener( 'click', function ( event ) {\n\n\t\tevent.preventDefault();\n\t\tshowPanel( ++ mode % container.children.length );\n\n\t}, false );\n\n\t//\n\n\tfunction addPanel( panel ) {\n\n\t\tcontainer.appendChild( panel.dom );\n\t\treturn panel;\n\n\t}\n\n\tfunction showPanel( id ) {\n\n\t\tfor ( var i = 0; i < container.children.length; i ++ ) {\n\n\t\t\tcontainer.children[ i ].style.display = i === id ? 'block' : 'none';\n\n\t\t}\n\n\t\tmode = id;\n\n\t}\n\n\t//\n\n\tvar beginTime = ( performance || Date ).now(), prevTime = beginTime, frames = 0;\n\n\tvar fpsPanel = addPanel( new Stats.Panel( 'FPS', '#0ff', '#002' ) );\n\tvar msPanel = addPanel( new Stats.Panel( 'MS', '#0f0', '#020' ) );\n\n\tif ( self.performance && self.performance.memory ) {\n\n\t\tvar memPanel = addPanel( new Stats.Panel( 'MB', '#f08', '#201' ) );\n\n\t}\n\n\tshowPanel( 0 );\n\n\treturn {\n\n\t\tREVISION: 16,\n\n\t\tdom: container,\n\n\t\taddPanel: addPanel,\n\t\tshowPanel: showPanel,\n\n\t\tbegin: function () {\n\n\t\t\tbeginTime = ( performance || Date ).now();\n\n\t\t},\n\n\t\tend: function () {\n\n\t\t\tframes ++;\n\n\t\t\tvar time = ( performance || Date ).now();\n\n\t\t\tmsPanel.update( time - beginTime, 200 );\n\n\t\t\tif ( time >= prevTime + 1000 ) {\n\n\t\t\t\tfpsPanel.update( ( frames * 1000 ) / ( time - prevTime ), 100 );\n\n\t\t\t\tprevTime = time;\n\t\t\t\tframes = 0;\n\n\t\t\t\tif ( memPanel ) {\n\n\t\t\t\t\tvar memory = performance.memory;\n\t\t\t\t\tmemPanel.update( memory.usedJSHeapSize / 1048576, memory.jsHeapSizeLimit / 1048576 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn time;\n\n\t\t},\n\n\t\tupdate: function () {\n\n\t\t\tbeginTime = this.end();\n\n\t\t},\n\n\t\t// Backwards Compatibility\n\n\t\tdomElement: container,\n\t\tsetMode: showPanel\n\n\t};\n\n};\n\nStats.Panel = function ( name, fg, bg ) {\n\n\tvar min = Infinity, max = 0, round = Math.round;\n\tvar PR = round( window.devicePixelRatio || 1 );\n\n\tvar WIDTH = 80 * PR, HEIGHT = 48 * PR,\n\t\tTEXT_X = 3 * PR, TEXT_Y = 2 * PR,\n\t\tGRAPH_X = 3 * PR, GRAPH_Y = 15 * PR,\n\t\tGRAPH_WIDTH = 74 * PR, GRAPH_HEIGHT = 30 * PR;\n\n\tvar canvas = document.createElement( 'canvas' );\n\tcanvas.width = WIDTH;\n\tcanvas.height = HEIGHT;\n\tcanvas.style.cssText = 'width:80px;height:48px';\n\n\tvar context = canvas.getContext( '2d' );\n\tcontext.font = 'bold ' + ( 9 * PR ) + 'px Helvetica,Arial,sans-serif';\n\tcontext.textBaseline = 'top';\n\n\tcontext.fillStyle = bg;\n\tcontext.fillRect( 0, 0, WIDTH, HEIGHT );\n\n\tcontext.fillStyle = fg;\n\tcontext.fillText( name, TEXT_X, TEXT_Y );\n\tcontext.fillRect( GRAPH_X, GRAPH_Y, GRAPH_WIDTH, GRAPH_HEIGHT );\n\n\tcontext.fillStyle = bg;\n\tcontext.globalAlpha = 0.9;\n\tcontext.fillRect( GRAPH_X, GRAPH_Y, GRAPH_WIDTH, GRAPH_HEIGHT );\n\n\treturn {\n\n\t\tdom: canvas,\n\n\t\tupdate: function ( value, maxValue ) {\n\n\t\t\tmin = Math.min( min, value );\n\t\t\tmax = Math.max( max, value );\n\n\t\t\tcontext.fillStyle = bg;\n\t\t\tcontext.globalAlpha = 1;\n\t\t\tcontext.fillRect( 0, 0, WIDTH, GRAPH_Y );\n\t\t\tcontext.fillStyle = fg;\n\t\t\tcontext.fillText( round( value ) + ' ' + name + ' (' + round( min ) + '-' + round( max ) + ')', TEXT_X, TEXT_Y );\n\n\t\t\tcontext.drawImage( canvas, GRAPH_X + PR, GRAPH_Y, GRAPH_WIDTH - PR, GRAPH_HEIGHT, GRAPH_X, GRAPH_Y, GRAPH_WIDTH - PR, GRAPH_HEIGHT );\n\n\t\t\tcontext.fillRect( GRAPH_X + GRAPH_WIDTH - PR, GRAPH_Y, PR, GRAPH_HEIGHT );\n\n\t\t\tcontext.fillStyle = bg;\n\t\t\tcontext.globalAlpha = 0.9;\n\t\t\tcontext.fillRect( GRAPH_X + GRAPH_WIDTH - PR, GRAPH_Y, PR, round( ( 1 - ( value / maxValue ) ) * GRAPH_HEIGHT ) );\n\n\t\t}\n\n\t};\n\n};\n\nexport default Stats;\n", "/**\n * postprocessing v6.29.0 build Mon Oct 17 2022\n * https://github.com/pmndrs/postprocessing\n * Copyright 2015-2022 Raoul van R\u00FCschen\n * @license Zlib\n */\n\n// src/core/Disposable.js\nvar Disposable = class {\n dispose() {\n }\n};\n\n// src/core/EffectComposer.js\nimport {\n DepthStencilFormat,\n DepthTexture,\n LinearFilter as LinearFilter2,\n REVISION as REVISION6,\n sRGBEncoding as sRGBEncoding8,\n UnsignedByteType as UnsignedByteType12,\n UnsignedIntType,\n UnsignedInt248Type,\n Vector2 as Vector217,\n WebGLMultisampleRenderTarget,\n WebGLRenderTarget as WebGLRenderTarget13\n} from \"three\";\n\n// src/passes/AdaptiveLuminancePass.js\nimport { NearestFilter, WebGLRenderTarget as WebGLRenderTarget3 } from \"three\";\n\n// src/materials/AdaptiveLuminanceMaterial.js\nimport { NoBlending, REVISION, ShaderMaterial, Uniform } from \"three\";\n\n// src/materials/glsl/adaptive-luminance.frag\nvar adaptive_luminance_default = \"#include \\n#define packFloatToRGBA(v) packDepthToRGBA(v)\\n#define unpackRGBAToFloat(v) unpackRGBAToDepth(v)\\nuniform lowp sampler2D luminanceBuffer0;uniform lowp sampler2D luminanceBuffer1;uniform float minLuminance;uniform float deltaTime;uniform float tau;varying vec2 vUv;void main(){float l0=unpackRGBAToFloat(texture2D(luminanceBuffer0,vUv));\\n#if __VERSION__ < 300\\nfloat l1=texture2DLodEXT(luminanceBuffer1,vUv,MIP_LEVEL_1X1).r;\\n#else\\nfloat l1=textureLod(luminanceBuffer1,vUv,MIP_LEVEL_1X1).r;\\n#endif\\nl0=max(minLuminance,l0);l1=max(minLuminance,l1);float adaptedLum=l0+(l1-l0)*(1.0-exp(-deltaTime*tau));gl_FragColor=(adaptedLum==1.0)?vec4(1.0):packFloatToRGBA(adaptedLum);}\";\n\n// src/materials/glsl/common.vert\nvar common_default = \"varying vec2 vUv;void main(){vUv=position.xy*0.5+0.5;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/AdaptiveLuminanceMaterial.js\nvar AdaptiveLuminanceMaterial = class extends ShaderMaterial {\n constructor() {\n super({\n name: \"AdaptiveLuminanceMaterial\",\n defines: {\n THREE_REVISION: REVISION.replace(/\\D+/g, \"\"),\n MIP_LEVEL_1X1: \"0.0\"\n },\n uniforms: {\n luminanceBuffer0: new Uniform(null),\n luminanceBuffer1: new Uniform(null),\n minLuminance: new Uniform(0.01),\n deltaTime: new Uniform(0),\n tau: new Uniform(1)\n },\n extensions: {\n shaderTextureLOD: true\n },\n blending: NoBlending,\n depthWrite: false,\n depthTest: false,\n fragmentShader: adaptive_luminance_default,\n vertexShader: common_default\n });\n this.toneMapped = false;\n }\n set luminanceBuffer0(value) {\n this.uniforms.luminanceBuffer0.value = value;\n }\n setLuminanceBuffer0(value) {\n this.uniforms.luminanceBuffer0.value = value;\n }\n set luminanceBuffer1(value) {\n this.uniforms.luminanceBuffer1.value = value;\n }\n setLuminanceBuffer1(value) {\n this.uniforms.luminanceBuffer1.value = value;\n }\n set mipLevel1x1(value) {\n this.defines.MIP_LEVEL_1X1 = value.toFixed(1);\n this.needsUpdate = true;\n }\n setMipLevel1x1(value) {\n this.mipLevel1x1 = value;\n }\n set deltaTime(value) {\n this.uniforms.deltaTime.value = value;\n }\n setDeltaTime(value) {\n this.uniforms.deltaTime.value = value;\n }\n get minLuminance() {\n return this.uniforms.minLuminance.value;\n }\n set minLuminance(value) {\n this.uniforms.minLuminance.value = value;\n }\n getMinLuminance() {\n return this.uniforms.minLuminance.value;\n }\n setMinLuminance(value) {\n this.uniforms.minLuminance.value = value;\n }\n get adaptationRate() {\n return this.uniforms.tau.value;\n }\n set adaptationRate(value) {\n this.uniforms.tau.value = value;\n }\n getAdaptationRate() {\n return this.uniforms.tau.value;\n }\n setAdaptationRate(value) {\n this.uniforms.tau.value = value;\n }\n};\n\n// src/materials/BokehMaterial.js\nimport { NoBlending as NoBlending2, ShaderMaterial as ShaderMaterial2, Uniform as Uniform2, Vector2 } from \"three\";\n\n// src/materials/glsl/convolution.bokeh.frag\nvar convolution_bokeh_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#if PASS == 1\\nuniform vec4 kernel64[32];\\n#else\\nuniform vec4 kernel16[8];\\n#endif\\nuniform lowp sampler2D cocBuffer;uniform vec2 texelSize;uniform float scale;varying vec2 vUv;void main(){\\n#ifdef FOREGROUND\\nvec2 CoCNearFar=texture2D(cocBuffer,vUv).rg;float CoC=CoCNearFar.r*scale;\\n#else\\nfloat CoC=texture2D(cocBuffer,vUv).g*scale;\\n#endif\\nif(CoC==0.0){gl_FragColor=texture2D(inputBuffer,vUv);}else{\\n#ifdef FOREGROUND\\nvec2 step=texelSize*max(CoC,CoCNearFar.g*scale);\\n#else\\nvec2 step=texelSize*CoC;\\n#endif\\n#if PASS == 1\\nvec4 acc=vec4(0.0);for(int i=0;i<32;++i){vec4 kernel=kernel64[i];vec2 uv=step*kernel.xy+vUv;acc+=texture2D(inputBuffer,uv);uv=step*kernel.zw+vUv;acc+=texture2D(inputBuffer,uv);}gl_FragColor=acc/64.0;\\n#else\\nvec4 maxValue=texture2D(inputBuffer,vUv);for(int i=0;i<8;++i){vec4 kernel=kernel16[i];vec2 uv=step*kernel.xy+vUv;maxValue=max(texture2D(inputBuffer,uv),maxValue);uv=step*kernel.zw+vUv;maxValue=max(texture2D(inputBuffer,uv),maxValue);}gl_FragColor=maxValue;\\n#endif\\n}}\";\n\n// src/materials/BokehMaterial.js\nvar BokehMaterial = class extends ShaderMaterial2 {\n constructor(fill = false, foreground = false) {\n super({\n name: \"BokehMaterial\",\n defines: {\n PASS: fill ? \"2\" : \"1\"\n },\n uniforms: {\n inputBuffer: new Uniform2(null),\n cocBuffer: new Uniform2(null),\n texelSize: new Uniform2(new Vector2()),\n kernel64: new Uniform2(null),\n kernel16: new Uniform2(null),\n scale: new Uniform2(1)\n },\n blending: NoBlending2,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_bokeh_default,\n vertexShader: common_default\n });\n this.toneMapped = false;\n if (foreground) {\n this.defines.FOREGROUND = \"1\";\n }\n this.generateKernel();\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n set cocBuffer(value) {\n this.uniforms.cocBuffer.value = value;\n }\n setCoCBuffer(value) {\n this.uniforms.cocBuffer.value = value;\n }\n get scale() {\n return this.uniforms.scale.value;\n }\n set scale(value) {\n this.uniforms.scale.value = value;\n }\n getScale(value) {\n return this.scale;\n }\n setScale(value) {\n this.scale = value;\n }\n generateKernel() {\n const GOLDEN_ANGLE = 2.39996323;\n const points64 = new Float64Array(128);\n const points16 = new Float64Array(32);\n let i64 = 0, i16 = 0;\n for (let i = 0, sqrt80 = Math.sqrt(80); i < 80; ++i) {\n const theta = i * GOLDEN_ANGLE;\n const r = Math.sqrt(i) / sqrt80;\n const u = r * Math.cos(theta), v3 = r * Math.sin(theta);\n if (i % 5 === 0) {\n points16[i16++] = u;\n points16[i16++] = v3;\n } else {\n points64[i64++] = u;\n points64[i64++] = v3;\n }\n }\n this.uniforms.kernel64.value = points64;\n this.uniforms.kernel16.value = points16;\n }\n setTexelSize(x, y) {\n this.uniforms.texelSize.value.set(x, y);\n }\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/BoxBlurMaterial.js\nimport { NoBlending as NoBlending3, PerspectiveCamera, ShaderMaterial as ShaderMaterial3, Uniform as Uniform3, Vector2 as Vector22 } from \"three\";\n\n// src/utils/getTextureDecoding.js\nimport {\n LinearEncoding,\n REVISION as REVISION2,\n RGBAFormat,\n sRGBEncoding,\n UnsignedByteType\n} from \"three\";\nfunction getTextureDecoding(texture, isWebGL2) {\n let decoding = \"texel\";\n if (texture !== null) {\n const revision = Number.parseInt(REVISION2);\n const sRGB8Alpha8 = isWebGL2 && revision >= 133 && revision !== 135 && texture.format === RGBAFormat && texture.type === UnsignedByteType && texture.encoding === sRGBEncoding;\n if (!sRGB8Alpha8) {\n switch (texture.encoding) {\n case sRGBEncoding:\n decoding = \"sRGBToLinear(texel)\";\n break;\n case LinearEncoding:\n decoding = \"texel\";\n break;\n default:\n throw new Error(`Unsupported encoding: ${texture.encoding}`);\n }\n }\n }\n return decoding;\n}\n\n// src/utils/orthographicDepthToViewZ.js\nfunction orthographicDepthToViewZ(depth, near, far) {\n return depth * (near - far) - near;\n}\n\n// src/utils/viewZToOrthographicDepth.js\nfunction viewZToOrthographicDepth(viewZ, near, far) {\n return Math.min(Math.max((viewZ + near) / (near - far), 0), 1);\n}\n\n// src/materials/glsl/convolution.box.frag\nvar convolution_box_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#ifdef BILATERAL\\n#include \\nuniform vec2 cameraNearFar;\\n#ifdef NORMAL_DEPTH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){return texture2D(normalDepthBuffer,uv).a;}\\n#else\\n#if DEPTH_PACKING == 3201\\nuniform lowp sampler2D depthBuffer;\\n#elif defined(GL_FRAGMENT_PRECISION_HIGH)\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}\\n#endif\\nfloat getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#endif\\n}\\n#ifdef PERSPECTIVE_CAMERA\\n#define linearDepth(v) viewZToOrthographicDepth(getViewZ(readDepth(v)), cameraNearFar.x, cameraNearFar.y)\\n#else\\n#define linearDepth(v) readDepth(v)\\n#endif\\n#endif\\n#define getTexel(v) texture2D(inputBuffer, v)\\n#if KERNEL_SIZE == 3\\nvarying vec2 vUv00,vUv01,vUv02;varying vec2 vUv03,vUv04,vUv05;varying vec2 vUv06,vUv07,vUv08;\\n#elif KERNEL_SIZE == 5 && MAX_VARYING_VECTORS >= 13\\nvarying vec2 vUv00,vUv01,vUv02,vUv03,vUv04;varying vec2 vUv05,vUv06,vUv07,vUv08,vUv09;varying vec2 vUv10,vUv11,vUv12,vUv13,vUv14;varying vec2 vUv15,vUv16,vUv17,vUv18,vUv19;varying vec2 vUv20,vUv21,vUv22,vUv23,vUv24;\\n#else\\nuniform vec2 texelSize;uniform float scale;varying vec2 vUv;\\n#endif\\nvoid main(){\\n#if KERNEL_SIZE == 3\\nvec4 c[]=vec4[KERNEL_SIZE_SQ](getTexel(vUv00),getTexel(vUv01),getTexel(vUv02),getTexel(vUv03),getTexel(vUv04),getTexel(vUv05),getTexel(vUv06),getTexel(vUv07),getTexel(vUv08));\\n#ifdef BILATERAL\\nfloat z[]=float[KERNEL_SIZE_SQ](linearDepth(vUv00),linearDepth(vUv01),linearDepth(vUv02),linearDepth(vUv03),linearDepth(vUv04),linearDepth(vUv05),linearDepth(vUv06),linearDepth(vUv07),linearDepth(vUv08));\\n#endif\\n#elif KERNEL_SIZE == 5 && MAX_VARYING_VECTORS >= 13\\nvec4 c[]=vec4[KERNEL_SIZE_SQ](getTexel(vUv00),getTexel(vUv01),getTexel(vUv02),getTexel(vUv03),getTexel(vUv04),getTexel(vUv05),getTexel(vUv06),getTexel(vUv07),getTexel(vUv08),getTexel(vUv09),getTexel(vUv10),getTexel(vUv11),getTexel(vUv12),getTexel(vUv13),getTexel(vUv14),getTexel(vUv15),getTexel(vUv16),getTexel(vUv17),getTexel(vUv18),getTexel(vUv19),getTexel(vUv20),getTexel(vUv21),getTexel(vUv22),getTexel(vUv23),getTexel(vUv24));\\n#ifdef BILATERAL\\nfloat z[]=float[KERNEL_SIZE_SQ](linearDepth(vUv00),linearDepth(vUv01),linearDepth(vUv02),linearDepth(vUv03),linearDepth(vUv04),linearDepth(vUv05),linearDepth(vUv06),linearDepth(vUv07),linearDepth(vUv08),linearDepth(vUv09),linearDepth(vUv10),linearDepth(vUv11),linearDepth(vUv12),linearDepth(vUv13),linearDepth(vUv14),linearDepth(vUv15),linearDepth(vUv16),linearDepth(vUv17),linearDepth(vUv18),linearDepth(vUv19),linearDepth(vUv20),linearDepth(vUv21),linearDepth(vUv22),linearDepth(vUv23),linearDepth(vUv24));\\n#endif\\n#endif\\nvec4 result=vec4(0.0);\\n#ifdef BILATERAL\\nfloat w=0.0;\\n#if KERNEL_SIZE == 3 || (KERNEL_SIZE == 5 && MAX_VARYING_VECTORS >= 13)\\nfloat centerDepth=z[KERNEL_SIZE_SQ_HALF];for(int i=0;i= 13)\\nfor(int i=0;i= 13\\nvarying vec2 vUv00,vUv01,vUv02,vUv03,vUv04;varying vec2 vUv05,vUv06,vUv07,vUv08,vUv09;varying vec2 vUv10,vUv11,vUv12,vUv13,vUv14;varying vec2 vUv15,vUv16,vUv17,vUv18,vUv19;varying vec2 vUv20,vUv21,vUv22,vUv23,vUv24;\\n#else\\nvarying vec2 vUv;\\n#endif\\nvoid main(){vec2 uv=position.xy*0.5+0.5;\\n#if KERNEL_SIZE == 3\\nvec2 s=texelSize*scale;vUv00=uv+s*vec2(-1.0,-1.0);vUv01=uv+s*vec2(0.0,-1.0);vUv02=uv+s*vec2(1.0,-1.0);vUv03=uv+s*vec2(-1.0,0.0);vUv04=uv;vUv05=uv+s*vec2(1.0,0.0);vUv06=uv+s*vec2(-1.0,1.0);vUv07=uv+s*vec2(0.0,1.0);vUv08=uv+s*vec2(1.0,1.0);\\n#elif KERNEL_SIZE == 5\\nvec2 s=texelSize*scale;vUv00=uv+s*vec2(-2.0,-2.0);vUv01=uv+s*vec2(-1.0,-2.0);vUv02=uv+s*vec2(0.0,-2.0);vUv03=uv+s*vec2(1.0,-2.0);vUv04=uv+s*vec2(2.0,-2.0);vUv05=uv+s*vec2(-2.0,-1.0);vUv06=uv+s*vec2(-1.0,-1.0);vUv07=uv+s*vec2(0.0,-1.0);vUv08=uv+s*vec2(1.0,-1.0);vUv09=uv+s*vec2(2.0,-1.0);vUv10=uv+s*vec2(-2.0,0.0);vUv11=uv+s*vec2(-1.0,0.0);vUv12=uv;vUv13=uv+s*vec2(1.0,0.0);vUv14=uv+s*vec2(2.0,0.0);vUv15=uv+s*vec2(-2.0,1.0);vUv16=uv+s*vec2(-1.0,1.0);vUv17=uv+s*vec2(0.0,1.0);vUv18=uv+s*vec2(1.0,1.0);vUv19=uv+s*vec2(2.0,1.0);vUv20=uv+s*vec2(-2.0,2.0);vUv21=uv+s*vec2(-1.0,2.0);vUv22=uv+s*vec2(0.0,2.0);vUv23=uv+s*vec2(1.0,2.0);vUv24=uv+s*vec2(2.0,2.0);\\n#else\\nvUv=uv;\\n#endif\\ngl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/BoxBlurMaterial.js\nvar BoxBlurMaterial = class extends ShaderMaterial3 {\n constructor({ bilateral = false, kernelSize = 5 } = {}) {\n super({\n name: \"BoxBlurMaterial\",\n defines: {\n DEPTH_PACKING: \"0\",\n DISTANCE_THRESHOLD: \"0.1\"\n },\n uniforms: {\n inputBuffer: new Uniform3(null),\n depthBuffer: new Uniform3(null),\n normalDepthBuffer: new Uniform3(null),\n texelSize: new Uniform3(new Vector22()),\n cameraNearFar: new Uniform3(new Vector22()),\n scale: new Uniform3(1)\n },\n blending: NoBlending3,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_box_default,\n vertexShader: convolution_box_default2\n });\n this.toneMapped = false;\n this.bilateral = bilateral;\n this.kernelSize = kernelSize;\n this.maxVaryingVectors = 8;\n }\n set maxVaryingVectors(value) {\n this.defines.MAX_VARYING_VECTORS = value.toFixed(0);\n }\n get kernelSize() {\n return Number(this.defines.KERNEL_SIZE);\n }\n set kernelSize(value) {\n if (value % 2 === 0) {\n throw new Error(\"The kernel size must be an odd number\");\n }\n this.defines.KERNEL_SIZE = value.toFixed(0);\n this.defines.KERNEL_SIZE_HALF = Math.floor(value / 2).toFixed(0);\n this.defines.KERNEL_SIZE_SQ = (value ** 2).toFixed(0);\n this.defines.KERNEL_SIZE_SQ_HALF = Math.floor(value ** 2 / 2).toFixed(0);\n this.defines.INV_KERNEL_SIZE_SQ = (1 / value ** 2).toFixed(6);\n this.needsUpdate = true;\n }\n get scale() {\n return this.uniforms.scale.value;\n }\n set scale(value) {\n this.uniforms.scale.value = value;\n }\n get near() {\n return this.uniforms.cameraNearFar.value.x;\n }\n get far() {\n return this.uniforms.cameraNearFar.value.y;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n set normalDepthBuffer(value) {\n this.uniforms.normalDepthBuffer.value = value;\n if (value !== null) {\n this.defines.NORMAL_DEPTH = \"1\";\n } else {\n delete this.defines.NORMAL_DEPTH;\n }\n this.needsUpdate = true;\n }\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n get bilateral() {\n return this.defines.BILATERAL !== void 0;\n }\n set bilateral(value) {\n if (value !== null) {\n this.defines.BILATERAL = \"1\";\n } else {\n delete this.defines.BILATERAL;\n }\n this.needsUpdate = true;\n }\n get worldDistanceThreshold() {\n return -orthographicDepthToViewZ(Number(this.defines.DISTANCE_THRESHOLD), this.near, this.far);\n }\n set worldDistanceThreshold(value) {\n const threshold = viewZToOrthographicDepth(-value, this.near, this.far);\n this.defines.DISTANCE_THRESHOLD = threshold.toFixed(12);\n this.needsUpdate = true;\n }\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNearFar.value.set(camera.near, camera.far);\n if (camera instanceof PerspectiveCamera) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/CircleOfConfusionMaterial.js\nimport { BasicDepthPacking, NoBlending as NoBlending4, PerspectiveCamera as PerspectiveCamera2, ShaderMaterial as ShaderMaterial4, Uniform as Uniform4 } from \"three\";\n\n// src/materials/glsl/circle-of-confusion.frag\nvar circle_of_confusion_default = \"#include \\n#include \\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nuniform float focusDistance;uniform float focusRange;uniform float cameraNear;uniform float cameraFar;varying vec2 vUv;float readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}void main(){float depth=readDepth(vUv);\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(depth,cameraNear,cameraFar);float linearDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearDepth=depth;\\n#endif\\nfloat signedDistance=linearDepth-focusDistance;float magnitude=smoothstep(0.0,focusRange,abs(signedDistance));gl_FragColor.rg=magnitude*vec2(step(signedDistance,0.0),step(0.0,signedDistance));}\";\n\n// src/materials/CircleOfConfusionMaterial.js\nvar CircleOfConfusionMaterial = class extends ShaderMaterial4 {\n constructor(camera) {\n super({\n name: \"CircleOfConfusionMaterial\",\n defines: {\n DEPTH_PACKING: \"0\"\n },\n uniforms: {\n depthBuffer: new Uniform4(null),\n focusDistance: new Uniform4(0),\n focusRange: new Uniform4(0),\n cameraNear: new Uniform4(0.3),\n cameraFar: new Uniform4(1e3)\n },\n blending: NoBlending4,\n depthWrite: false,\n depthTest: false,\n fragmentShader: circle_of_confusion_default,\n vertexShader: common_default\n });\n this.toneMapped = false;\n this.uniforms.focalLength = this.uniforms.focusRange;\n this.copyCameraSettings(camera);\n }\n get near() {\n return this.uniforms.cameraNear.value;\n }\n get far() {\n return this.uniforms.cameraFar.value;\n }\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n setDepthBuffer(buffer, depthPacking = BasicDepthPacking) {\n this.depthBuffer = buffer;\n this.depthPacking = depthPacking;\n }\n get focusDistance() {\n return this.uniforms.focusDistance.value;\n }\n set focusDistance(value) {\n this.uniforms.focusDistance.value = value;\n }\n get worldFocusDistance() {\n return -orthographicDepthToViewZ(this.focusDistance, this.near, this.far);\n }\n set worldFocusDistance(value) {\n this.focusDistance = viewZToOrthographicDepth(-value, this.near, this.far);\n }\n getFocusDistance(value) {\n this.uniforms.focusDistance.value = value;\n }\n setFocusDistance(value) {\n this.uniforms.focusDistance.value = value;\n }\n get focalLength() {\n return this.focusRange;\n }\n set focalLength(value) {\n this.focusRange = value;\n }\n get focusRange() {\n return this.uniforms.focusRange.value;\n }\n set focusRange(value) {\n this.uniforms.focusRange.value = value;\n }\n get worldFocusRange() {\n return -orthographicDepthToViewZ(this.focusRange, this.near, this.far);\n }\n set worldFocusRange(value) {\n this.focusRange = viewZToOrthographicDepth(-value, this.near, this.far);\n }\n getFocalLength(value) {\n return this.focusRange;\n }\n setFocalLength(value) {\n this.focusRange = value;\n }\n adoptCameraSettings(camera) {\n this.copyCameraSettings(camera);\n }\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNear.value = camera.near;\n this.uniforms.cameraFar.value = camera.far;\n if (camera instanceof PerspectiveCamera2) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n};\n\n// src/materials/KawaseBlurMaterial.js\nimport { NoBlending as NoBlending5, ShaderMaterial as ShaderMaterial5, Uniform as Uniform5, Vector4 } from \"three\";\n\n// src/enums/BlendFunction.js\nvar BlendFunction = {\n SKIP: 9,\n SET: 30,\n ADD: 0,\n ALPHA: 1,\n AVERAGE: 2,\n COLOR: 3,\n COLOR_BURN: 4,\n COLOR_DODGE: 5,\n DARKEN: 6,\n DIFFERENCE: 7,\n DIVIDE: 8,\n DST: 9,\n EXCLUSION: 10,\n HARD_LIGHT: 11,\n HARD_MIX: 12,\n HUE: 13,\n INVERT: 14,\n INVERT_RGB: 15,\n LIGHTEN: 16,\n LINEAR_BURN: 17,\n LINEAR_DODGE: 18,\n LINEAR_LIGHT: 19,\n LUMINOSITY: 20,\n MULTIPLY: 21,\n NEGATION: 22,\n NORMAL: 23,\n OVERLAY: 24,\n PIN_LIGHT: 25,\n REFLECT: 26,\n SATURATION: 27,\n SCREEN: 28,\n SOFT_LIGHT: 29,\n SRC: 30,\n SUBTRACT: 31,\n VIVID_LIGHT: 32\n};\n\n// src/enums/ColorChannel.js\nvar ColorChannel = {\n RED: 0,\n GREEN: 1,\n BLUE: 2,\n ALPHA: 3\n};\n\n// src/enums/DepthCopyMode.js\nvar DepthCopyMode = {\n FULL: 0,\n SINGLE: 1\n};\n\n// src/enums/DepthTestStrategy.js\nvar DepthTestStrategy = {\n DEFAULT: 0,\n KEEP_MAX_DEPTH: 1,\n DISCARD_MAX_DEPTH: 2\n};\n\n// src/enums/EdgeDetectionMode.js\nvar EdgeDetectionMode = {\n DEPTH: 0,\n LUMA: 1,\n COLOR: 2\n};\n\n// src/enums/EffectAttribute.js\nvar EffectAttribute = {\n NONE: 0,\n DEPTH: 1,\n CONVOLUTION: 2\n};\n\n// src/enums/EffectShaderSection.js\nvar EffectShaderSection = {\n FRAGMENT_HEAD: \"FRAGMENT_HEAD\",\n FRAGMENT_MAIN_UV: \"FRAGMENT_MAIN_UV\",\n FRAGMENT_MAIN_IMAGE: \"FRAGMENT_MAIN_IMAGE\",\n VERTEX_HEAD: \"VERTEX_HEAD\",\n VERTEX_MAIN_SUPPORT: \"VERTEX_MAIN_SUPPORT\"\n};\n\n// src/enums/GlitchMode.js\nvar GlitchMode = {\n DISABLED: 0,\n SPORADIC: 1,\n CONSTANT_MILD: 2,\n CONSTANT_WILD: 3\n};\n\n// src/enums/KernelSize.js\nvar KernelSize = {\n VERY_SMALL: 0,\n SMALL: 1,\n MEDIUM: 2,\n LARGE: 3,\n VERY_LARGE: 4,\n HUGE: 5\n};\n\n// src/enums/LUTOperation.js\nvar LUTOperation = {\n SCALE_UP: \"lut.scaleup\"\n};\n\n// src/enums/MaskFunction.js\nvar MaskFunction = {\n DISCARD: 0,\n MULTIPLY: 1,\n MULTIPLY_RGB_SET_ALPHA: 2\n};\n\n// src/enums/PredicationMode.js\nvar PredicationMode = {\n DISABLED: 0,\n DEPTH: 1,\n CUSTOM: 2\n};\n\n// src/enums/SMAAPreset.js\nvar SMAAPreset = {\n LOW: 0,\n MEDIUM: 1,\n HIGH: 2,\n ULTRA: 3\n};\n\n// src/enums/ToneMappingMode.js\nvar ToneMappingMode = {\n REINHARD: 0,\n REINHARD2: 1,\n REINHARD2_ADAPTIVE: 2,\n OPTIMIZED_CINEON: 3,\n ACES_FILMIC: 4\n};\n\n// src/enums/VignetteTechnique.js\nvar VignetteTechnique = {\n DEFAULT: 0,\n ESKIL: 1\n};\n\n// src/enums/WebGLExtension.js\nvar WebGLExtension = {\n DERIVATIVES: \"derivatives\",\n FRAG_DEPTH: \"fragDepth\",\n DRAW_BUFFERS: \"drawBuffers\",\n SHADER_TEXTURE_LOD: \"shaderTextureLOD\"\n};\n\n// src/materials/glsl/convolution.kawase.frag\nvar convolution_kawase_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nvarying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec4 sum=texture2D(inputBuffer,vUv0);sum+=texture2D(inputBuffer,vUv1);sum+=texture2D(inputBuffer,vUv2);sum+=texture2D(inputBuffer,vUv3);gl_FragColor=sum*0.25;\\n#include \\n}\";\n\n// src/materials/glsl/convolution.kawase.vert\nvar convolution_kawase_default2 = \"uniform vec4 texelSize;uniform float kernel;uniform float scale;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 uv=position.xy*0.5+0.5;vec2 dUv=(texelSize.xy*vec2(kernel)+texelSize.zw)*scale;vUv0=vec2(uv.x-dUv.x,uv.y+dUv.y);vUv1=vec2(uv.x+dUv.x,uv.y+dUv.y);vUv2=vec2(uv.x+dUv.x,uv.y-dUv.y);vUv3=vec2(uv.x-dUv.x,uv.y-dUv.y);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/KawaseBlurMaterial.js\nvar kernelPresets = [\n new Float32Array([0, 0]),\n new Float32Array([0, 1, 1]),\n new Float32Array([0, 1, 1, 2]),\n new Float32Array([0, 1, 2, 2, 3]),\n new Float32Array([0, 1, 2, 3, 4, 4, 5]),\n new Float32Array([0, 1, 2, 3, 4, 5, 7, 8, 9, 10])\n];\nvar KawaseBlurMaterial = class extends ShaderMaterial5 {\n constructor(texelSize = new Vector4()) {\n super({\n name: \"KawaseBlurMaterial\",\n uniforms: {\n inputBuffer: new Uniform5(null),\n texelSize: new Uniform5(new Vector4()),\n scale: new Uniform5(1),\n kernel: new Uniform5(0)\n },\n blending: NoBlending5,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_kawase_default,\n vertexShader: convolution_kawase_default2\n });\n this.toneMapped = false;\n this.setTexelSize(texelSize.x, texelSize.y);\n this.kernelSize = KernelSize.MEDIUM;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setInputBuffer(value) {\n this.inputBuffer = value;\n }\n get kernelSequence() {\n return kernelPresets[this.kernelSize];\n }\n get scale() {\n return this.uniforms.scale.value;\n }\n set scale(value) {\n this.uniforms.scale.value = value;\n }\n getScale() {\n return this.uniforms.scale.value;\n }\n setScale(value) {\n this.uniforms.scale.value = value;\n }\n getKernel() {\n return null;\n }\n get kernel() {\n return this.uniforms.kernel.value;\n }\n set kernel(value) {\n this.uniforms.kernel.value = value;\n }\n setKernel(value) {\n this.kernel = value;\n }\n setTexelSize(x, y) {\n this.uniforms.texelSize.value.set(x, y, x * 0.5, y * 0.5);\n }\n setSize(width, height) {\n const x = 1 / width, y = 1 / height;\n this.uniforms.texelSize.value.set(x, y, x * 0.5, y * 0.5);\n }\n};\n\n// src/materials/CopyMaterial.js\nimport { NoBlending as NoBlending6, ShaderMaterial as ShaderMaterial6, Uniform as Uniform6 } from \"three\";\n\n// src/materials/glsl/copy.frag\nvar copy_default = \"#include \\n#include \\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform float opacity;varying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);gl_FragColor=opacity*texel;\\n#include \\n#include \\n}\";\n\n// src/materials/CopyMaterial.js\nvar CopyMaterial = class extends ShaderMaterial6 {\n constructor() {\n super({\n name: \"CopyMaterial\",\n uniforms: {\n inputBuffer: new Uniform6(null),\n opacity: new Uniform6(1)\n },\n blending: NoBlending6,\n depthWrite: false,\n depthTest: false,\n fragmentShader: copy_default,\n vertexShader: common_default\n });\n this.toneMapped = false;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n getOpacity(value) {\n return this.uniforms.opacity.value;\n }\n setOpacity(value) {\n this.uniforms.opacity.value = value;\n }\n};\n\n// src/materials/DepthComparisonMaterial.js\nimport { NoBlending as NoBlending7, PerspectiveCamera as PerspectiveCamera3, RGBADepthPacking, ShaderMaterial as ShaderMaterial7, Uniform as Uniform7 } from \"three\";\n\n// src/materials/glsl/depth-comparison.frag\nvar depth_comparison_default = \"#include \\n#include \\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nuniform float cameraNear;uniform float cameraFar;varying float vViewZ;varying vec4 vProjTexCoord;void main(){\\n#include \\nvec2 projTexCoord=(vProjTexCoord.xy/vProjTexCoord.w)*0.5+0.5;projTexCoord=clamp(projTexCoord,0.002,0.998);\\n#if DEPTH_PACKING == 3201\\nfloat fragCoordZ=unpackRGBAToDepth(texture2D(depthBuffer,projTexCoord));\\n#else\\nfloat fragCoordZ=texture2D(depthBuffer,projTexCoord).r;\\n#endif\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(fragCoordZ,cameraNear,cameraFar);\\n#else\\nfloat viewZ=orthographicDepthToViewZ(fragCoordZ,cameraNear,cameraFar);\\n#endif\\nfloat depthTest=(-vViewZ>-viewZ)?1.0:0.0;gl_FragColor.rg=vec2(0.0,depthTest);}\";\n\n// src/materials/glsl/depth-comparison.vert\nvar depth_comparison_default2 = \"#include \\n#include \\n#include \\n#include \\nvarying float vViewZ;varying vec4 vProjTexCoord;void main(){\\n#include \\n#include \\n#include \\n#include \\n#include \\nvViewZ=mvPosition.z;vProjTexCoord=gl_Position;\\n#include \\n}\";\n\n// src/materials/DepthComparisonMaterial.js\nvar DepthComparisonMaterial = class extends ShaderMaterial7 {\n constructor(depthTexture = null, camera) {\n super({\n name: \"DepthComparisonMaterial\",\n defines: {\n DEPTH_PACKING: \"0\"\n },\n uniforms: {\n depthBuffer: new Uniform7(null),\n cameraNear: new Uniform7(0.3),\n cameraFar: new Uniform7(1e3)\n },\n blending: NoBlending7,\n depthWrite: false,\n depthTest: false,\n fragmentShader: depth_comparison_default,\n vertexShader: depth_comparison_default2\n });\n this.toneMapped = false;\n this.depthBuffer = depthTexture;\n this.depthPacking = RGBADepthPacking;\n this.copyCameraSettings(camera);\n }\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n setDepthBuffer(buffer, depthPacking = RGBADepthPacking) {\n this.depthBuffer = buffer;\n this.depthPacking = depthPacking;\n }\n adoptCameraSettings(camera) {\n this.copyCameraSettings(camera);\n }\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNear.value = camera.near;\n this.uniforms.cameraFar.value = camera.far;\n if (camera instanceof PerspectiveCamera3) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n};\n\n// src/materials/DepthCopyMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking2, NoBlending as NoBlending8, ShaderMaterial as ShaderMaterial8, Uniform as Uniform8, Vector2 as Vector23 } from \"three\";\n\n// src/materials/glsl/depth-copy.frag\nvar depth_copy_default = \"#include \\nvarying vec2 vUv;\\n#ifdef NORMAL_DEPTH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){return texture2D(normalDepthBuffer,uv).a;}\\n#else\\n#if INPUT_DEPTH_PACKING == 3201\\nuniform lowp sampler2D depthBuffer;\\n#elif defined(GL_FRAGMENT_PRECISION_HIGH)\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if INPUT_DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}\\n#endif\\nvoid main(){\\n#if INPUT_DEPTH_PACKING == OUTPUT_DEPTH_PACKING\\ngl_FragColor=texture2D(depthBuffer,vUv);\\n#else\\nfloat depth=readDepth(vUv);\\n#if OUTPUT_DEPTH_PACKING == 3201\\ngl_FragColor=(depth==1.0)?vec4(1.0):packDepthToRGBA(depth);\\n#else\\ngl_FragColor=vec4(vec3(depth),1.0);\\n#endif\\n#endif\\n}\";\n\n// src/materials/glsl/depth-copy.vert\nvar depth_copy_default2 = \"varying vec2 vUv;\\n#if DEPTH_COPY_MODE == 1\\nuniform vec2 texelPosition;\\n#endif\\nvoid main(){\\n#if DEPTH_COPY_MODE == 1\\nvUv=texelPosition;\\n#else\\nvUv=position.xy*0.5+0.5;\\n#endif\\ngl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/DepthCopyMaterial.js\nvar DepthCopyMaterial = class extends ShaderMaterial8 {\n constructor() {\n super({\n name: \"DepthCopyMaterial\",\n defines: {\n INPUT_DEPTH_PACKING: \"0\",\n OUTPUT_DEPTH_PACKING: \"0\",\n DEPTH_COPY_MODE: \"0\"\n },\n uniforms: {\n depthBuffer: new Uniform8(null),\n texelPosition: new Uniform8(new Vector23())\n },\n blending: NoBlending8,\n depthWrite: false,\n depthTest: false,\n fragmentShader: depth_copy_default,\n vertexShader: depth_copy_default2\n });\n this.toneMapped = false;\n this.depthCopyMode = DepthCopyMode.FULL;\n }\n get depthBuffer() {\n return this.uniforms.depthBuffer.value;\n }\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n set inputDepthPacking(value) {\n this.defines.INPUT_DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n get outputDepthPacking() {\n return Number(this.defines.OUTPUT_DEPTH_PACKING);\n }\n set outputDepthPacking(value) {\n this.defines.OUTPUT_DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n setDepthBuffer(buffer, depthPacking = BasicDepthPacking2) {\n this.depthBuffer = buffer;\n this.inputDepthPacking = depthPacking;\n }\n getInputDepthPacking() {\n return Number(this.defines.INPUT_DEPTH_PACKING);\n }\n setInputDepthPacking(value) {\n this.defines.INPUT_DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n getOutputDepthPacking() {\n return Number(this.defines.OUTPUT_DEPTH_PACKING);\n }\n setOutputDepthPacking(value) {\n this.defines.OUTPUT_DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n get texelPosition() {\n return this.uniforms.texelPosition.value;\n }\n getTexelPosition() {\n return this.uniforms.texelPosition.value;\n }\n setTexelPosition(value) {\n this.uniforms.texelPosition.value = value;\n }\n get mode() {\n return this.depthCopyMode;\n }\n set mode(value) {\n this.depthCopyMode = value;\n this.defines.DEPTH_COPY_MODE = value.toFixed(0);\n this.needsUpdate = true;\n }\n getMode() {\n return this.mode;\n }\n setMode(value) {\n this.mode = value;\n }\n};\n\n// src/materials/DepthDownsamplingMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking3, NoBlending as NoBlending9, ShaderMaterial as ShaderMaterial9, Uniform as Uniform9, Vector2 as Vector24 } from \"three\";\n\n// src/materials/glsl/depth-downsampling.frag\nvar depth_downsampling_default = \"#include \\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\n#ifdef DOWNSAMPLE_NORMALS\\nuniform lowp sampler2D normalBuffer;\\n#endif\\nvarying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;float readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}int findBestDepth(const in float samples[4]){float c=(samples[0]+samples[1]+samples[2]+samples[3])*0.25;float distances[]=float[4](abs(c-samples[0]),abs(c-samples[1]),abs(c-samples[2]),abs(c-samples[3]));float maxDistance=max(max(distances[0],distances[1]),max(distances[2],distances[3]));int remaining[3];int rejected[3];int i,j,k;for(i=0,j=0,k=0;i<4;++i){if(distances[i]\\n#include \\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer0;uniform highp sampler2D depthBuffer1;\\n#else\\nuniform mediump sampler2D depthBuffer0;uniform mediump sampler2D depthBuffer1;\\n#endif\\nuniform sampler2D inputBuffer;uniform vec2 cameraNearFar;float getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#endif\\n}varying vec2 vUv;void main(){vec2 depth;\\n#if DEPTH_PACKING_0 == 3201\\ndepth.x=unpackRGBAToDepth(texture2D(depthBuffer0,vUv));\\n#else\\ndepth.x=texture2D(depthBuffer0,vUv).r;\\n#endif\\n#if DEPTH_PACKING_1 == 3201\\ndepth.y=unpackRGBAToDepth(texture2D(depthBuffer1,vUv));\\n#else\\ndepth.y=texture2D(depthBuffer1,vUv).r;\\n#endif\\nbool isMaxDepth=(depth.x==1.0);\\n#ifdef PERSPECTIVE_CAMERA\\ndepth.x=viewZToOrthographicDepth(getViewZ(depth.x),cameraNearFar.x,cameraNearFar.y);depth.y=viewZToOrthographicDepth(getViewZ(depth.y),cameraNearFar.x,cameraNearFar.y);\\n#endif\\n#if DEPTH_TEST_STRATEGY == 0\\nbool keep=depthTest(depth.x,depth.y);\\n#elif DEPTH_TEST_STRATEGY == 1\\nbool keep=isMaxDepth||depthTest(depth.x,depth.y);\\n#else\\nbool keep=!isMaxDepth&&depthTest(depth.x,depth.y);\\n#endif\\nif(keep){gl_FragColor=texture2D(inputBuffer,vUv);}else{discard;}}\";\n\n// src/materials/DepthMaskMaterial.js\nvar DepthMaskMaterial = class extends ShaderMaterial10 {\n constructor() {\n super({\n name: \"DepthMaskMaterial\",\n defines: {\n DEPTH_EPSILON: \"0.0001\",\n DEPTH_PACKING_0: \"0\",\n DEPTH_PACKING_1: \"0\",\n DEPTH_TEST_STRATEGY: DepthTestStrategy.KEEP_MAX_DEPTH\n },\n uniforms: {\n inputBuffer: new Uniform10(null),\n depthBuffer0: new Uniform10(null),\n depthBuffer1: new Uniform10(null),\n cameraNearFar: new Uniform10(new Vector25(1, 1))\n },\n blending: NoBlending10,\n depthWrite: false,\n depthTest: false,\n fragmentShader: depth_mask_default,\n vertexShader: common_default\n });\n this.toneMapped = false;\n this.depthMode = LessDepth;\n }\n set depthBuffer0(value) {\n this.uniforms.depthBuffer0.value = value;\n }\n set depthPacking0(value) {\n this.defines.DEPTH_PACKING_0 = value.toFixed(0);\n this.needsUpdate = true;\n }\n setDepthBuffer0(buffer, depthPacking = BasicDepthPacking4) {\n this.depthBuffer0 = buffer;\n this.depthPacking0 = depthPacking;\n }\n set depthBuffer1(value) {\n this.uniforms.depthBuffer1.value = value;\n }\n set depthPacking1(value) {\n this.defines.DEPTH_PACKING_1 = value.toFixed(0);\n this.needsUpdate = true;\n }\n setDepthBuffer1(buffer, depthPacking = BasicDepthPacking4) {\n this.depthBuffer1 = buffer;\n this.depthPacking1 = depthPacking;\n }\n get maxDepthStrategy() {\n return Number(this.defines.DEPTH_TEST_STRATEGY);\n }\n set maxDepthStrategy(value) {\n this.defines.DEPTH_TEST_STRATEGY = value.toFixed(0);\n this.needsUpdate = true;\n }\n get keepFar() {\n return this.maxDepthStrategy;\n }\n set keepFar(value) {\n this.maxDepthStrategy = value ? DepthTestStrategy.KEEP_MAX_DEPTH : DepthTestStrategy.DISCARD_MAX_DEPTH;\n }\n getMaxDepthStrategy() {\n return this.maxDepthStrategy;\n }\n setMaxDepthStrategy(value) {\n this.maxDepthStrategy = value;\n }\n get epsilon() {\n return Number(this.defines.DEPTH_EPSILON);\n }\n set epsilon(value) {\n this.defines.DEPTH_EPSILON = value.toFixed(16);\n this.needsUpdate = true;\n }\n getEpsilon() {\n return this.epsilon;\n }\n setEpsilon(value) {\n this.epsilon = value;\n }\n get depthMode() {\n return Number(this.defines.DEPTH_MODE);\n }\n set depthMode(value) {\n let depthTest;\n switch (value) {\n case NeverDepth:\n depthTest = \"false\";\n break;\n case AlwaysDepth:\n depthTest = \"true\";\n break;\n case EqualDepth:\n depthTest = \"abs(d1 - d0) <= DEPTH_EPSILON\";\n break;\n case NotEqualDepth:\n depthTest = \"abs(d1 - d0) > DEPTH_EPSILON\";\n break;\n case LessDepth:\n depthTest = \"d0 > d1\";\n break;\n case LessEqualDepth:\n depthTest = \"d0 >= d1\";\n break;\n case GreaterEqualDepth:\n depthTest = \"d0 <= d1\";\n break;\n case GreaterDepth:\n default:\n depthTest = \"d0 < d1\";\n break;\n }\n this.defines.DEPTH_MODE = value.toFixed(0);\n this.defines[\"depthTest(d0, d1)\"] = depthTest;\n this.needsUpdate = true;\n }\n getDepthMode() {\n return this.depthMode;\n }\n setDepthMode(mode) {\n this.depthMode = mode;\n }\n adoptCameraSettings(camera) {\n this.copyCameraSettings(camera);\n }\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNearFar.value.set(camera.near, camera.far);\n if (camera instanceof PerspectiveCamera4) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n};\n\n// src/materials/DownsamplingMaterial.js\nimport { NoBlending as NoBlending11, ShaderMaterial as ShaderMaterial11, Uniform as Uniform11, Vector2 as Vector26 } from \"three\";\n\n// src/materials/glsl/convolution.downsampling.frag\nvar convolution_downsampling_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#define WEIGHT_INNER 0.125\\n#define WEIGHT_OUTER 0.0555555\\nvarying vec2 vUv;varying vec2 vUv00;varying vec2 vUv01;varying vec2 vUv02;varying vec2 vUv03;varying vec2 vUv04;varying vec2 vUv05;varying vec2 vUv06;varying vec2 vUv07;varying vec2 vUv08;varying vec2 vUv09;varying vec2 vUv10;varying vec2 vUv11;float clampToBorder(const in vec2 uv){return float(uv.s>=0.0&&uv.s<=1.0&&uv.t>=0.0&&uv.t<=1.0);}void main(){vec4 c=vec4(0.0);vec4 w=WEIGHT_INNER*vec4(clampToBorder(vUv00),clampToBorder(vUv01),clampToBorder(vUv02),clampToBorder(vUv03));c+=w.x*texture2D(inputBuffer,vUv00);c+=w.y*texture2D(inputBuffer,vUv01);c+=w.z*texture2D(inputBuffer,vUv02);c+=w.w*texture2D(inputBuffer,vUv03);w=WEIGHT_OUTER*vec4(clampToBorder(vUv04),clampToBorder(vUv05),clampToBorder(vUv06),clampToBorder(vUv07));c+=w.x*texture2D(inputBuffer,vUv04);c+=w.y*texture2D(inputBuffer,vUv05);c+=w.z*texture2D(inputBuffer,vUv06);c+=w.w*texture2D(inputBuffer,vUv07);w=WEIGHT_OUTER*vec4(clampToBorder(vUv08),clampToBorder(vUv09),clampToBorder(vUv10),clampToBorder(vUv11));c+=w.x*texture2D(inputBuffer,vUv08);c+=w.y*texture2D(inputBuffer,vUv09);c+=w.z*texture2D(inputBuffer,vUv10);c+=w.w*texture2D(inputBuffer,vUv11);c+=WEIGHT_OUTER*texture2D(inputBuffer,vUv);gl_FragColor=c;\\n#include \\n}\";\n\n// src/materials/glsl/convolution.downsampling.vert\nvar convolution_downsampling_default2 = \"uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv00;varying vec2 vUv01;varying vec2 vUv02;varying vec2 vUv03;varying vec2 vUv04;varying vec2 vUv05;varying vec2 vUv06;varying vec2 vUv07;varying vec2 vUv08;varying vec2 vUv09;varying vec2 vUv10;varying vec2 vUv11;void main(){vUv=position.xy*0.5+0.5;vUv00=vUv+texelSize*vec2(-1.0,1.0);vUv01=vUv+texelSize*vec2(1.0,1.0);vUv02=vUv+texelSize*vec2(-1.0,-1.0);vUv03=vUv+texelSize*vec2(1.0,-1.0);vUv04=vUv+texelSize*vec2(-2.0,2.0);vUv05=vUv+texelSize*vec2(0.0,2.0);vUv06=vUv+texelSize*vec2(2.0,2.0);vUv07=vUv+texelSize*vec2(-2.0,0.0);vUv08=vUv+texelSize*vec2(2.0,0.0);vUv09=vUv+texelSize*vec2(-2.0,-2.0);vUv10=vUv+texelSize*vec2(0.0,-2.0);vUv11=vUv+texelSize*vec2(2.0,-2.0);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/DownsamplingMaterial.js\nvar DownsamplingMaterial = class extends ShaderMaterial11 {\n constructor() {\n super({\n name: \"DownsamplingMaterial\",\n uniforms: {\n inputBuffer: new Uniform11(null),\n texelSize: new Uniform11(new Vector26())\n },\n blending: NoBlending11,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_downsampling_default,\n vertexShader: convolution_downsampling_default2\n });\n this.toneMapped = false;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/EdgeDetectionMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking5, NoBlending as NoBlending12, REVISION as REVISION3, ShaderMaterial as ShaderMaterial12, Uniform as Uniform12, Vector2 as Vector27 } from \"three\";\n\n// src/materials/glsl/edge-detection.frag\nvar edge_detection_default = \"varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;\\n#if THREE_REVISION < 143\\n#define luminance(v) linearToRelativeLuminance(v)\\n#endif\\n#if EDGE_DETECTION_MODE != 0\\nvarying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;\\n#endif\\n#if EDGE_DETECTION_MODE == 1\\n#include \\n#endif\\n#if EDGE_DETECTION_MODE == 0 || PREDICATION_MODE == 1\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}vec3 gatherNeighbors(){float p=readDepth(vUv);float pLeft=readDepth(vUv0);float pTop=readDepth(vUv1);return vec3(p,pLeft,pTop);}\\n#elif PREDICATION_MODE == 2\\nuniform sampler2D predicationBuffer;vec3 gatherNeighbors(){float p=texture2D(predicationBuffer,vUv).r;float pLeft=texture2D(predicationBuffer,vUv0).r;float pTop=texture2D(predicationBuffer,vUv1).r;return vec3(p,pLeft,pTop);}\\n#endif\\n#if PREDICATION_MODE != 0\\nvec2 calculatePredicatedThreshold(){vec3 neighbours=gatherNeighbors();vec2 delta=abs(neighbours.xx-neighbours.yz);vec2 edges=step(PREDICATION_THRESHOLD,delta);return PREDICATION_SCALE*EDGE_THRESHOLD*(1.0-PREDICATION_STRENGTH*edges);}\\n#endif\\n#if EDGE_DETECTION_MODE != 0\\nuniform sampler2D inputBuffer;\\n#endif\\nvoid main(){\\n#if EDGE_DETECTION_MODE == 0\\nconst vec2 threshold=vec2(DEPTH_THRESHOLD);\\n#elif PREDICATION_MODE != 0\\nvec2 threshold=calculatePredicatedThreshold();\\n#else\\nconst vec2 threshold=vec2(EDGE_THRESHOLD);\\n#endif\\n#if EDGE_DETECTION_MODE == 0\\nvec3 neighbors=gatherNeighbors();vec2 delta=abs(neighbors.xx-vec2(neighbors.y,neighbors.z));vec2 edges=step(threshold,delta);if(dot(edges,vec2(1.0))==0.0){discard;}gl_FragColor=vec4(edges,0.0,1.0);\\n#elif EDGE_DETECTION_MODE == 1\\nfloat l=luminance(texture2D(inputBuffer,vUv).rgb);float lLeft=luminance(texture2D(inputBuffer,vUv0).rgb);float lTop=luminance(texture2D(inputBuffer,vUv1).rgb);vec4 delta;delta.xy=abs(l-vec2(lLeft,lTop));vec2 edges=step(threshold,delta.xy);if(dot(edges,vec2(1.0))==0.0){discard;}float lRight=luminance(texture2D(inputBuffer,vUv2).rgb);float lBottom=luminance(texture2D(inputBuffer,vUv3).rgb);delta.zw=abs(l-vec2(lRight,lBottom));vec2 maxDelta=max(delta.xy,delta.zw);float lLeftLeft=luminance(texture2D(inputBuffer,vUv4).rgb);float lTopTop=luminance(texture2D(inputBuffer,vUv5).rgb);delta.zw=abs(vec2(lLeft,lTop)-vec2(lLeftLeft,lTopTop));maxDelta=max(maxDelta.xy,delta.zw);float finalDelta=max(maxDelta.x,maxDelta.y);edges.xy*=step(finalDelta,LOCAL_CONTRAST_ADAPTATION_FACTOR*delta.xy);gl_FragColor=vec4(edges,0.0,1.0);\\n#elif EDGE_DETECTION_MODE == 2\\nvec4 delta;vec3 c=texture2D(inputBuffer,vUv).rgb;vec3 cLeft=texture2D(inputBuffer,vUv0).rgb;vec3 t=abs(c-cLeft);delta.x=max(max(t.r,t.g),t.b);vec3 cTop=texture2D(inputBuffer,vUv1).rgb;t=abs(c-cTop);delta.y=max(max(t.r,t.g),t.b);vec2 edges=step(threshold,delta.xy);if(dot(edges,vec2(1.0))==0.0){discard;}vec3 cRight=texture2D(inputBuffer,vUv2).rgb;t=abs(c-cRight);delta.z=max(max(t.r,t.g),t.b);vec3 cBottom=texture2D(inputBuffer,vUv3).rgb;t=abs(c-cBottom);delta.w=max(max(t.r,t.g),t.b);vec2 maxDelta=max(delta.xy,delta.zw);vec3 cLeftLeft=texture2D(inputBuffer,vUv4).rgb;t=abs(c-cLeftLeft);delta.z=max(max(t.r,t.g),t.b);vec3 cTopTop=texture2D(inputBuffer,vUv5).rgb;t=abs(c-cTopTop);delta.w=max(max(t.r,t.g),t.b);maxDelta=max(maxDelta.xy,delta.zw);float finalDelta=max(maxDelta.x,maxDelta.y);edges*=step(finalDelta,LOCAL_CONTRAST_ADAPTATION_FACTOR*delta.xy);gl_FragColor=vec4(edges,0.0,1.0);\\n#endif\\n}\";\n\n// src/materials/glsl/edge-detection.vert\nvar edge_detection_default2 = \"uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;\\n#if EDGE_DETECTION_MODE != 0\\nvarying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;\\n#endif\\nvoid main(){vUv=position.xy*0.5+0.5;vUv0=vUv+texelSize*vec2(-1.0,0.0);vUv1=vUv+texelSize*vec2(0.0,-1.0);\\n#if EDGE_DETECTION_MODE != 0\\nvUv2=vUv+texelSize*vec2(1.0,0.0);vUv3=vUv+texelSize*vec2(0.0,1.0);vUv4=vUv+texelSize*vec2(-2.0,0.0);vUv5=vUv+texelSize*vec2(0.0,-2.0);\\n#endif\\ngl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/EdgeDetectionMaterial.js\nvar EdgeDetectionMaterial = class extends ShaderMaterial12 {\n constructor(texelSize = new Vector27(), mode = EdgeDetectionMode.COLOR) {\n super({\n name: \"EdgeDetectionMaterial\",\n defines: {\n THREE_REVISION: REVISION3.replace(/\\D+/g, \"\"),\n LOCAL_CONTRAST_ADAPTATION_FACTOR: \"2.0\",\n EDGE_THRESHOLD: \"0.1\",\n DEPTH_THRESHOLD: \"0.01\",\n PREDICATION_MODE: \"0\",\n PREDICATION_THRESHOLD: \"0.01\",\n PREDICATION_SCALE: \"2.0\",\n PREDICATION_STRENGTH: \"1.0\",\n DEPTH_PACKING: \"0\"\n },\n uniforms: {\n inputBuffer: new Uniform12(null),\n depthBuffer: new Uniform12(null),\n predicationBuffer: new Uniform12(null),\n texelSize: new Uniform12(texelSize)\n },\n blending: NoBlending12,\n depthWrite: false,\n depthTest: false,\n fragmentShader: edge_detection_default,\n vertexShader: edge_detection_default2\n });\n this.toneMapped = false;\n this.edgeDetectionMode = mode;\n }\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n setDepthBuffer(buffer, depthPacking = BasicDepthPacking5) {\n this.depthBuffer = buffer;\n this.depthPacking = depthPacking;\n }\n get edgeDetectionMode() {\n return Number(this.defines.EDGE_DETECTION_MODE);\n }\n set edgeDetectionMode(value) {\n this.defines.EDGE_DETECTION_MODE = value.toFixed(0);\n this.needsUpdate = true;\n }\n getEdgeDetectionMode() {\n return this.edgeDetectionMode;\n }\n setEdgeDetectionMode(value) {\n this.edgeDetectionMode = value;\n }\n get localContrastAdaptationFactor() {\n return Number(this.defines.LOCAL_CONTRAST_ADAPTATION_FACTOR);\n }\n set localContrastAdaptationFactor(value) {\n this.defines.LOCAL_CONTRAST_ADAPTATION_FACTOR = value.toFixed(\"6\");\n this.needsUpdate = true;\n }\n getLocalContrastAdaptationFactor() {\n return this.localContrastAdaptationFactor;\n }\n setLocalContrastAdaptationFactor(value) {\n this.localContrastAdaptationFactor = value;\n }\n get edgeDetectionThreshold() {\n return Number(this.defines.EDGE_THRESHOLD);\n }\n set edgeDetectionThreshold(value) {\n this.defines.EDGE_THRESHOLD = value.toFixed(\"6\");\n this.defines.DEPTH_THRESHOLD = (value * 0.1).toFixed(\"6\");\n this.needsUpdate = true;\n }\n getEdgeDetectionThreshold() {\n return this.edgeDetectionThreshold;\n }\n setEdgeDetectionThreshold(value) {\n this.edgeDetectionThreshold = value;\n }\n get predicationMode() {\n return Number(this.defines.PREDICATION_MODE);\n }\n set predicationMode(value) {\n this.defines.PREDICATION_MODE = value.toFixed(0);\n this.needsUpdate = true;\n }\n getPredicationMode() {\n return this.predicationMode;\n }\n setPredicationMode(value) {\n this.predicationMode = value;\n }\n set predicationBuffer(value) {\n this.uniforms.predicationBuffer.value = value;\n }\n setPredicationBuffer(value) {\n this.uniforms.predicationBuffer.value = value;\n }\n get predicationThreshold() {\n return Number(this.defines.PREDICATION_THRESHOLD);\n }\n set predicationThreshold(value) {\n this.defines.PREDICATION_THRESHOLD = value.toFixed(\"6\");\n this.needsUpdate = true;\n }\n getPredicationThreshold() {\n return this.predicationThreshold;\n }\n setPredicationThreshold(value) {\n this.predicationThreshold = value;\n }\n get predicationScale() {\n return Number(this.defines.PREDICATION_SCALE);\n }\n set predicationScale(value) {\n this.defines.PREDICATION_SCALE = value.toFixed(\"6\");\n this.needsUpdate = true;\n }\n getPredicationScale() {\n return this.predicationScale;\n }\n setPredicationScale(value) {\n this.predicationScale = value;\n }\n get predicationStrength() {\n return Number(this.defines.PREDICATION_STRENGTH);\n }\n set predicationStrength(value) {\n this.defines.PREDICATION_STRENGTH = value.toFixed(\"6\");\n this.needsUpdate = true;\n }\n getPredicationStrength() {\n return this.predicationStrength;\n }\n setPredicationStrength(value) {\n this.predicationStrength = value;\n }\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/EffectMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking6, NoBlending as NoBlending13, PerspectiveCamera as PerspectiveCamera5, REVISION as REVISION4, ShaderMaterial as ShaderMaterial13, Uniform as Uniform13, Vector2 as Vector28 } from \"three\";\n\n// src/materials/glsl/effect.frag\nvar effect_default = \"#include \\n#include \\n#include \\n#define packFloatToRGBA(v) packDepthToRGBA(v)\\n#define unpackRGBAToFloat(v) unpackRGBAToDepth(v)\\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#if DEPTH_PACKING == 3201\\nuniform lowp sampler2D depthBuffer;\\n#elif defined(GL_FRAGMENT_PRECISION_HIGH)\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nuniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv;\\n#if THREE_REVISION < 143\\n#define luminance(v) linearToRelativeLuminance(v)\\n#endif\\n#if THREE_REVISION >= 137\\nvec4 sRGBToLinear(const in vec4 value){return vec4(mix(pow(value.rgb*0.9478672986+vec3(0.0521327014),vec3(2.4)),value.rgb*0.0773993808,vec3(lessThanEqual(value.rgb,vec3(0.04045)))),value.a);}\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}float getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNear,cameraFar);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNear,cameraFar);\\n#endif\\n}vec3 RGBToHCV(const in vec3 RGB){vec4 P=mix(vec4(RGB.bg,-1.0,2.0/3.0),vec4(RGB.gb,0.0,-1.0/3.0),step(RGB.b,RGB.g));vec4 Q=mix(vec4(P.xyw,RGB.r),vec4(RGB.r,P.yzx),step(P.x,RGB.r));float C=Q.x-min(Q.w,Q.y);float H=abs((Q.w-Q.y)/(6.0*C+EPSILON)+Q.z);return vec3(H,C,Q.x);}vec3 RGBToHSL(const in vec3 RGB){vec3 HCV=RGBToHCV(RGB);float L=HCV.z-HCV.y*0.5;float S=HCV.y/(1.0-abs(L*2.0-1.0)+EPSILON);return vec3(HCV.x,S,L);}vec3 HueToRGB(const in float H){float R=abs(H*6.0-3.0)-1.0;float G=2.0-abs(H*6.0-2.0);float B=2.0-abs(H*6.0-4.0);return clamp(vec3(R,G,B),0.0,1.0);}vec3 HSLToRGB(const in vec3 HSL){vec3 RGB=HueToRGB(HSL.x);float C=(1.0-abs(2.0*HSL.z-1.0))*HSL.y;return(RGB-0.5)*C+HSL.z;}FRAGMENT_HEADvoid main(){FRAGMENT_MAIN_UVvec4 color0=texture2D(inputBuffer,UV);vec4 color1=vec4(0.0);FRAGMENT_MAIN_IMAGEgl_FragColor=color0;\\n#ifdef ENCODE_OUTPUT\\n#include \\n#endif\\n#include \\n}\";\n\n// src/materials/glsl/effect.vert\nvar effect_default2 = \"uniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv;VERTEX_HEADvoid main(){vUv=position.xy*0.5+0.5;VERTEX_MAIN_SUPPORTgl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/EffectMaterial.js\nvar EffectMaterial = class extends ShaderMaterial13 {\n constructor(shaderParts, defines, uniforms, camera, dithering = false) {\n super({\n name: \"EffectMaterial\",\n defines: {\n THREE_REVISION: REVISION4.replace(/\\D+/g, \"\"),\n DEPTH_PACKING: \"0\",\n ENCODE_OUTPUT: \"1\"\n },\n uniforms: {\n inputBuffer: new Uniform13(null),\n depthBuffer: new Uniform13(null),\n resolution: new Uniform13(new Vector28()),\n texelSize: new Uniform13(new Vector28()),\n cameraNear: new Uniform13(0.3),\n cameraFar: new Uniform13(1e3),\n aspect: new Uniform13(1),\n time: new Uniform13(0)\n },\n blending: NoBlending13,\n depthWrite: false,\n depthTest: false,\n dithering\n });\n this.toneMapped = false;\n if (shaderParts) {\n this.setShaderParts(shaderParts);\n }\n if (defines) {\n this.setDefines(defines);\n }\n if (uniforms) {\n this.setUniforms(uniforms);\n }\n this.copyCameraSettings(camera);\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n get depthBuffer() {\n return this.uniforms.depthBuffer.value;\n }\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n get depthPacking() {\n return Number(this.defines.DEPTH_PACKING);\n }\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n setDepthBuffer(buffer, depthPacking = BasicDepthPacking6) {\n this.depthBuffer = buffer;\n this.depthPacking = depthPacking;\n }\n setShaderData(data) {\n this.setShaderParts(data.shaderParts);\n this.setDefines(data.defines);\n this.setUniforms(data.uniforms);\n this.setExtensions(data.extensions);\n }\n setShaderParts(shaderParts) {\n var _a, _b, _c, _d, _e;\n this.fragmentShader = effect_default.replace(EffectShaderSection.FRAGMENT_HEAD, (_a = shaderParts.get(EffectShaderSection.FRAGMENT_HEAD)) != null ? _a : \"\").replace(EffectShaderSection.FRAGMENT_MAIN_UV, (_b = shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_UV)) != null ? _b : \"\").replace(EffectShaderSection.FRAGMENT_MAIN_IMAGE, (_c = shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_IMAGE)) != null ? _c : \"\");\n this.vertexShader = effect_default2.replace(EffectShaderSection.VERTEX_HEAD, (_d = shaderParts.get(EffectShaderSection.VERTEX_HEAD)) != null ? _d : \"\").replace(EffectShaderSection.VERTEX_MAIN_SUPPORT, (_e = shaderParts.get(EffectShaderSection.VERTEX_MAIN_SUPPORT)) != null ? _e : \"\");\n this.needsUpdate = true;\n return this;\n }\n setDefines(defines) {\n for (const entry of defines.entries()) {\n this.defines[entry[0]] = entry[1];\n }\n this.needsUpdate = true;\n return this;\n }\n setUniforms(uniforms) {\n for (const entry of uniforms.entries()) {\n this.uniforms[entry[0]] = entry[1];\n }\n return this;\n }\n setExtensions(extensions) {\n this.extensions = {};\n for (const extension of extensions) {\n this.extensions[extension] = true;\n }\n return this;\n }\n get encodeOutput() {\n return this.defines.ENCODE_OUTPUT !== void 0;\n }\n set encodeOutput(value) {\n if (this.encodeOutput !== value) {\n if (value) {\n this.defines.ENCODE_OUTPUT = \"1\";\n } else {\n delete this.defines.ENCODE_OUTPUT;\n }\n this.needsUpdate = true;\n }\n }\n isOutputEncodingEnabled(value) {\n return this.encodeOutput;\n }\n setOutputEncodingEnabled(value) {\n this.encodeOutput = value;\n }\n get time() {\n return this.uniforms.time.value;\n }\n set time(value) {\n this.uniforms.time.value = value;\n }\n setDeltaTime(value) {\n this.uniforms.time.value += value;\n }\n adoptCameraSettings(camera) {\n this.copyCameraSettings(camera);\n }\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNear.value = camera.near;\n this.uniforms.cameraFar.value = camera.far;\n if (camera instanceof PerspectiveCamera5) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n setSize(width, height) {\n const uniforms = this.uniforms;\n uniforms.resolution.value.set(width, height);\n uniforms.texelSize.value.set(1 / width, 1 / height);\n uniforms.aspect.value = width / height;\n }\n static get Section() {\n return EffectShaderSection;\n }\n};\n\n// src/materials/GaussianBlurMaterial.js\nimport { NoBlending as NoBlending14, ShaderMaterial as ShaderMaterial14, Uniform as Uniform14, Vector2 as Vector29 } from \"three\";\n\n// src/materials/glsl/convolution.gaussian.frag\nvar convolution_gaussian_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform vec2 kernel[STEPS];varying vec2 vOffset;varying vec2 vUv;void main(){vec4 result=texture2D(inputBuffer,vUv)*kernel[0].y;for(int i=1;i\\n}\";\n\n// src/materials/glsl/convolution.gaussian.vert\nvar convolution_gaussian_default2 = \"uniform vec2 texelSize;uniform vec2 direction;uniform float scale;varying vec2 vOffset;varying vec2 vUv;void main(){vOffset=direction*texelSize*scale;vUv=position.xy*0.5+0.5;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/GaussianBlurMaterial.js\nvar GaussianBlurMaterial = class extends ShaderMaterial14 {\n constructor({ kernelSize = 35 } = {}) {\n super({\n name: \"GaussianBlurMaterial\",\n uniforms: {\n inputBuffer: new Uniform14(null),\n texelSize: new Uniform14(new Vector29()),\n direction: new Uniform14(new Vector29()),\n kernel: new Uniform14(null),\n scale: new Uniform14(1)\n },\n blending: NoBlending14,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_gaussian_default,\n vertexShader: convolution_gaussian_default2\n });\n this.toneMapped = false;\n this._kernelSize = 0;\n this.kernelSize = kernelSize;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n get kernelSize() {\n return this._kernelSize;\n }\n set kernelSize(value) {\n this._kernelSize = value;\n this.generateKernel(value);\n }\n get direction() {\n return this.uniforms.direction.value;\n }\n get scale() {\n return this.uniforms.scale.value;\n }\n set scale(value) {\n this.uniforms.scale.value = value;\n }\n generateKernel(kernelSize) {\n const kernel = new GaussKernel(kernelSize);\n const steps = kernel.linearSteps;\n const kernelData = new Float64Array(steps * 2);\n for (let i = 0, j = 0; i < steps; ++i) {\n kernelData[j++] = kernel.linearOffsets[i];\n kernelData[j++] = kernel.linearWeights[i];\n }\n this.uniforms.kernel.value = kernelData;\n this.defines.STEPS = steps.toFixed(0);\n this.needsUpdate = true;\n }\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/GodRaysMaterial.js\nimport { NoBlending as NoBlending15, ShaderMaterial as ShaderMaterial15, Uniform as Uniform15 } from \"three\";\n\n// src/materials/glsl/convolution.god-rays.frag\nvar convolution_god_rays_default = \"#include \\n#include \\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform vec2 lightPosition;uniform float exposure;uniform float decay;uniform float density;uniform float weight;uniform float clampMax;varying vec2 vUv;void main(){vec2 coord=vUv;vec2 delta=lightPosition-coord;delta*=1.0/SAMPLES_FLOAT*density;float illuminationDecay=1.0;vec4 color=vec4(0.0);for(int i=0;i\\n}\";\n\n// src/materials/GodRaysMaterial.js\nvar GodRaysMaterial = class extends ShaderMaterial15 {\n constructor(lightPosition) {\n super({\n name: \"GodRaysMaterial\",\n defines: {\n SAMPLES_INT: \"60\",\n SAMPLES_FLOAT: \"60.0\"\n },\n uniforms: {\n inputBuffer: new Uniform15(null),\n lightPosition: new Uniform15(lightPosition),\n density: new Uniform15(1),\n decay: new Uniform15(1),\n weight: new Uniform15(1),\n exposure: new Uniform15(1),\n clampMax: new Uniform15(1)\n },\n blending: NoBlending15,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_god_rays_default,\n vertexShader: common_default\n });\n this.toneMapped = false;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n get lightPosition() {\n return this.uniforms.lightPosition.value;\n }\n getLightPosition() {\n return this.uniforms.lightPosition.value;\n }\n setLightPosition(value) {\n this.uniforms.lightPosition.value = value;\n }\n get density() {\n return this.uniforms.density.value;\n }\n set density(value) {\n this.uniforms.density.value = value;\n }\n getDensity() {\n return this.uniforms.density.value;\n }\n setDensity(value) {\n this.uniforms.density.value = value;\n }\n get decay() {\n return this.uniforms.decay.value;\n }\n set decay(value) {\n this.uniforms.decay.value = value;\n }\n getDecay() {\n return this.uniforms.decay.value;\n }\n setDecay(value) {\n this.uniforms.decay.value = value;\n }\n get weight() {\n return this.uniforms.weight.value;\n }\n set weight(value) {\n this.uniforms.weight.value = value;\n }\n getWeight() {\n return this.uniforms.weight.value;\n }\n setWeight(value) {\n this.uniforms.weight.value = value;\n }\n get exposure() {\n return this.uniforms.exposure.value;\n }\n set exposure(value) {\n this.uniforms.exposure.value = value;\n }\n getExposure() {\n return this.uniforms.exposure.value;\n }\n setExposure(value) {\n this.uniforms.exposure.value = value;\n }\n get maxIntensity() {\n return this.uniforms.clampMax.value;\n }\n set maxIntensity(value) {\n this.uniforms.clampMax.value = value;\n }\n getMaxIntensity() {\n return this.uniforms.clampMax.value;\n }\n setMaxIntensity(value) {\n this.uniforms.clampMax.value = value;\n }\n get samples() {\n return Number(this.defines.SAMPLES_INT);\n }\n set samples(value) {\n const s = Math.floor(value);\n this.defines.SAMPLES_INT = s.toFixed(0);\n this.defines.SAMPLES_FLOAT = s.toFixed(1);\n this.needsUpdate = true;\n }\n getSamples() {\n return this.samples;\n }\n setSamples(value) {\n this.samples = value;\n }\n};\n\n// src/materials/LuminanceMaterial.js\nimport { NoBlending as NoBlending16, REVISION as REVISION5, ShaderMaterial as ShaderMaterial16, Uniform as Uniform16 } from \"three\";\n\n// src/materials/glsl/luminance.frag\nvar luminance_default = \"#include \\n#if THREE_REVISION < 143\\n#define luminance(v) linearToRelativeLuminance(v)\\n#endif\\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#ifdef RANGE\\nuniform vec2 range;\\n#elif defined(THRESHOLD)\\nuniform float threshold;uniform float smoothing;\\n#endif\\nvarying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);float l=luminance(texel.rgb);\\n#ifdef RANGE\\nfloat low=step(range.x,l);float high=step(l,range.y);l*=low*high;\\n#elif defined(THRESHOLD)\\nl=smoothstep(threshold,threshold+smoothing,l);\\n#endif\\n#ifdef COLOR\\ngl_FragColor=vec4(texel.rgb*l,l);\\n#else\\ngl_FragColor=vec4(l);\\n#endif\\n}\";\n\n// src/materials/LuminanceMaterial.js\nvar LuminanceMaterial = class extends ShaderMaterial16 {\n constructor(colorOutput = false, luminanceRange = null) {\n super({\n name: \"LuminanceMaterial\",\n defines: {\n THREE_REVISION: REVISION5.replace(/\\D+/g, \"\")\n },\n uniforms: {\n inputBuffer: new Uniform16(null),\n threshold: new Uniform16(0),\n smoothing: new Uniform16(1),\n range: new Uniform16(null)\n },\n blending: NoBlending16,\n depthWrite: false,\n depthTest: false,\n fragmentShader: luminance_default,\n vertexShader: common_default\n });\n this.toneMapped = false;\n this.colorOutput = colorOutput;\n this.luminanceRange = luminanceRange;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n get threshold() {\n return this.uniforms.threshold.value;\n }\n set threshold(value) {\n if (this.smoothing > 0 || value > 0) {\n this.defines.THRESHOLD = \"1\";\n } else {\n delete this.defines.THRESHOLD;\n }\n this.uniforms.threshold.value = value;\n }\n getThreshold() {\n return this.threshold;\n }\n setThreshold(value) {\n this.threshold = value;\n }\n get smoothing() {\n return this.uniforms.smoothing.value;\n }\n set smoothing(value) {\n if (this.threshold > 0 || value > 0) {\n this.defines.THRESHOLD = \"1\";\n } else {\n delete this.defines.THRESHOLD;\n }\n this.uniforms.smoothing.value = value;\n }\n getSmoothingFactor() {\n return this.smoothing;\n }\n setSmoothingFactor(value) {\n this.smoothing = value;\n }\n get useThreshold() {\n return this.threshold > 0 || this.smoothing > 0;\n }\n set useThreshold(value) {\n }\n get colorOutput() {\n return this.defines.COLOR !== void 0;\n }\n set colorOutput(value) {\n if (value) {\n this.defines.COLOR = \"1\";\n } else {\n delete this.defines.COLOR;\n }\n this.needsUpdate = true;\n }\n isColorOutputEnabled(value) {\n return this.colorOutput;\n }\n setColorOutputEnabled(value) {\n this.colorOutput = value;\n }\n get useRange() {\n return this.luminanceRange !== null;\n }\n set useRange(value) {\n this.luminanceRange = null;\n }\n get luminanceRange() {\n return this.uniforms.range.value;\n }\n set luminanceRange(value) {\n if (value !== null) {\n this.defines.RANGE = \"1\";\n } else {\n delete this.defines.RANGE;\n }\n this.uniforms.range.value = value;\n this.needsUpdate = true;\n }\n getLuminanceRange() {\n return this.luminanceRange;\n }\n setLuminanceRange(value) {\n this.luminanceRange = value;\n }\n};\n\n// src/materials/MaskMaterial.js\nimport { NoBlending as NoBlending17, ShaderMaterial as ShaderMaterial17, Uniform as Uniform17, UnsignedByteType as UnsignedByteType2 } from \"three\";\n\n// src/materials/glsl/mask.frag\nvar mask_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#ifdef MASK_PRECISION_HIGH\\nuniform mediump sampler2D maskTexture;\\n#else\\nuniform lowp sampler2D maskTexture;\\n#endif\\n#if MASK_FUNCTION != 0\\nuniform float strength;\\n#endif\\nvarying vec2 vUv;void main(){\\n#if COLOR_CHANNEL == 0\\nfloat mask=texture2D(maskTexture,vUv).r;\\n#elif COLOR_CHANNEL == 1\\nfloat mask=texture2D(maskTexture,vUv).g;\\n#elif COLOR_CHANNEL == 2\\nfloat mask=texture2D(maskTexture,vUv).b;\\n#else\\nfloat mask=texture2D(maskTexture,vUv).a;\\n#endif\\n#if MASK_FUNCTION == 0\\n#ifdef INVERTED\\nmask=step(mask,0.0);\\n#else\\nmask=1.0-step(mask,0.0);\\n#endif\\n#else\\nmask=clamp(mask*strength,0.0,1.0);\\n#ifdef INVERTED\\nmask=1.0-mask;\\n#endif\\n#endif\\n#if MASK_FUNCTION == 2\\ngl_FragColor=vec4(mask*texture2D(inputBuffer,vUv).rgb,mask);\\n#else\\ngl_FragColor=mask*texture2D(inputBuffer,vUv);\\n#endif\\n}\";\n\n// src/materials/MaskMaterial.js\nvar MaskMaterial = class extends ShaderMaterial17 {\n constructor(maskTexture = null) {\n super({\n name: \"MaskMaterial\",\n uniforms: {\n maskTexture: new Uniform17(maskTexture),\n inputBuffer: new Uniform17(null),\n strength: new Uniform17(1)\n },\n blending: NoBlending17,\n depthWrite: false,\n depthTest: false,\n fragmentShader: mask_default,\n vertexShader: common_default\n });\n this.toneMapped = false;\n this.setColorChannel(ColorChannel.RED);\n this.setMaskFunction(MaskFunction.DISCARD);\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n set maskTexture(value) {\n this.uniforms.maskTexture.value = value;\n delete this.defines.MASK_PRECISION_HIGH;\n if (value.type !== UnsignedByteType2) {\n this.defines.MASK_PRECISION_HIGH = \"1\";\n }\n this.needsUpdate = true;\n }\n setMaskTexture(value) {\n this.maskTexture = value;\n }\n set colorChannel(value) {\n this.defines.COLOR_CHANNEL = value.toFixed(0);\n this.needsUpdate = true;\n }\n setColorChannel(value) {\n this.colorChannel = value;\n }\n set maskFunction(value) {\n this.defines.MASK_FUNCTION = value.toFixed(0);\n this.needsUpdate = true;\n }\n setMaskFunction(value) {\n this.maskFunction = value;\n }\n get inverted() {\n return this.defines.INVERTED !== void 0;\n }\n set inverted(value) {\n if (this.inverted && !value) {\n delete this.defines.INVERTED;\n } else if (value) {\n this.defines.INVERTED = \"1\";\n }\n this.needsUpdate = true;\n }\n isInverted() {\n return this.inverted;\n }\n setInverted(value) {\n this.inverted = value;\n }\n get strength() {\n return this.uniforms.strength.value;\n }\n set strength(value) {\n this.uniforms.strength.value = value;\n }\n getStrength() {\n return this.strength;\n }\n setStrength(value) {\n this.strength = value;\n }\n};\n\n// src/materials/OutlineMaterial.js\nimport { NoBlending as NoBlending18, ShaderMaterial as ShaderMaterial18, Uniform as Uniform18, Vector2 as Vector210 } from \"three\";\n\n// src/materials/glsl/outline.frag\nvar outline_default = \"uniform lowp sampler2D inputBuffer;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 c0=texture2D(inputBuffer,vUv0).rg;vec2 c1=texture2D(inputBuffer,vUv1).rg;vec2 c2=texture2D(inputBuffer,vUv2).rg;vec2 c3=texture2D(inputBuffer,vUv3).rg;float d0=(c0.x-c1.x)*0.5;float d1=(c2.x-c3.x)*0.5;float d=length(vec2(d0,d1));float a0=min(c0.y,c1.y);float a1=min(c2.y,c3.y);float visibilityFactor=min(a0,a1);gl_FragColor.rg=(1.0-visibilityFactor>0.001)?vec2(d,0.0):vec2(0.0,d);}\";\n\n// src/materials/glsl/outline.vert\nvar outline_default2 = \"uniform vec2 texelSize;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 uv=position.xy*0.5+0.5;vUv0=vec2(uv.x+texelSize.x,uv.y);vUv1=vec2(uv.x-texelSize.x,uv.y);vUv2=vec2(uv.x,uv.y+texelSize.y);vUv3=vec2(uv.x,uv.y-texelSize.y);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/OutlineMaterial.js\nvar OutlineMaterial = class extends ShaderMaterial18 {\n constructor(texelSize = new Vector210()) {\n super({\n name: \"OutlineMaterial\",\n uniforms: {\n inputBuffer: new Uniform18(null),\n texelSize: new Uniform18(new Vector210())\n },\n blending: NoBlending18,\n depthWrite: false,\n depthTest: false,\n fragmentShader: outline_default,\n vertexShader: outline_default2\n });\n this.toneMapped = false;\n this.uniforms.texelSize.value.set(texelSize.x, texelSize.y);\n this.uniforms.maskTexture = this.uniforms.inputBuffer;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setTexelSize(x, y) {\n this.uniforms.texelSize.value.set(x, y);\n }\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/SMAAWeightsMaterial.js\nimport { NoBlending as NoBlending19, ShaderMaterial as ShaderMaterial19, Uniform as Uniform19, Vector2 as Vector211 } from \"three\";\n\n// src/materials/glsl/smaa-weights.frag\nvar smaa_weights_default = \"#define sampleLevelZeroOffset(t, coord, offset) texture2D(t, coord + offset * texelSize)\\n#if __VERSION__ < 300\\n#define round(v) floor(v + 0.5)\\n#endif\\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform lowp sampler2D areaTexture;uniform lowp sampler2D searchTexture;uniform vec2 texelSize;uniform vec2 resolution;varying vec2 vUv;varying vec4 vOffset[3];varying vec2 vPixCoord;void movec(const in bvec2 c,inout vec2 variable,const in vec2 value){if(c.x){variable.x=value.x;}if(c.y){variable.y=value.y;}}void movec(const in bvec4 c,inout vec4 variable,const in vec4 value){movec(c.xy,variable.xy,value.xy);movec(c.zw,variable.zw,value.zw);}vec2 decodeDiagBilinearAccess(in vec2 e){e.r=e.r*abs(5.0*e.r-5.0*0.75);return round(e);}vec4 decodeDiagBilinearAccess(in vec4 e){e.rb=e.rb*abs(5.0*e.rb-5.0*0.75);return round(e);}vec2 searchDiag1(const in vec2 texCoord,const in vec2 dir,out vec2 e){vec4 coord=vec4(texCoord,-1.0,1.0);vec3 t=vec3(texelSize,1.0);for(int i=0;i0.9)){break;}coord.xyz=t*vec3(dir,1.0)+coord.xyz;e=texture2D(inputBuffer,coord.xy).rg;coord.w=dot(e,vec2(0.5));}return coord.zw;}vec2 searchDiag2(const in vec2 texCoord,const in vec2 dir,out vec2 e){vec4 coord=vec4(texCoord,-1.0,1.0);coord.x+=0.25*texelSize.x;vec3 t=vec3(texelSize,1.0);for(int i=0;i0.9)){break;}coord.xyz=t*vec3(dir,1.0)+coord.xyz;e=texture2D(inputBuffer,coord.xy).rg;e=decodeDiagBilinearAccess(e);coord.w=dot(e,vec2(0.5));}return coord.zw;}vec2 areaDiag(const in vec2 dist,const in vec2 e,const in float offset){vec2 texCoord=vec2(AREATEX_MAX_DISTANCE_DIAG,AREATEX_MAX_DISTANCE_DIAG)*e+dist;texCoord=AREATEX_PIXEL_SIZE*texCoord+0.5*AREATEX_PIXEL_SIZE;texCoord.x+=0.5;texCoord.y+=AREATEX_SUBTEX_SIZE*offset;return texture2D(areaTexture,texCoord).rg;}vec2 calculateDiagWeights(const in vec2 texCoord,const in vec2 e,const in vec4 subsampleIndices){vec2 weights=vec2(0.0);vec4 d;vec2 end;if(e.r>0.0){d.xz=searchDiag1(texCoord,vec2(-1.0,1.0),end);d.x+=float(end.y>0.9);}else{d.xz=vec2(0.0);}d.yw=searchDiag1(texCoord,vec2(1.0,-1.0),end);if(d.x+d.y>2.0){vec4 coords=vec4(-d.x+0.25,d.x,d.y,-d.y-0.25)*texelSize.xyxy+texCoord.xyxy;vec4 c;c.xy=sampleLevelZeroOffset(inputBuffer,coords.xy,vec2(-1,0)).rg;c.zw=sampleLevelZeroOffset(inputBuffer,coords.zw,vec2(1,0)).rg;c.yxwz=decodeDiagBilinearAccess(c.xyzw);vec2 cc=vec2(2.0)*c.xz+c.yw;movec(bvec2(step(0.9,d.zw)),cc,vec2(0.0));weights+=areaDiag(d.xy,cc,subsampleIndices.z);}d.xz=searchDiag2(texCoord,vec2(-1.0,-1.0),end);if(sampleLevelZeroOffset(inputBuffer,texCoord,vec2(1,0)).r>0.0){d.yw=searchDiag2(texCoord,vec2(1.0),end);d.y+=float(end.y>0.9);}else{d.yw=vec2(0.0);}if(d.x+d.y>2.0){vec4 coords=vec4(-d.x,-d.x,d.y,d.y)*texelSize.xyxy+texCoord.xyxy;vec4 c;c.x=sampleLevelZeroOffset(inputBuffer,coords.xy,vec2(-1,0)).g;c.y=sampleLevelZeroOffset(inputBuffer,coords.xy,vec2(0,-1)).r;c.zw=sampleLevelZeroOffset(inputBuffer,coords.zw,vec2(1,0)).gr;vec2 cc=vec2(2.0)*c.xz+c.yw;movec(bvec2(step(0.9,d.zw)),cc,vec2(0.0));weights+=areaDiag(d.xy,cc,subsampleIndices.w).gr;}return weights;}float searchLength(const in vec2 e,const in float offset){vec2 scale=SEARCHTEX_SIZE*vec2(0.5,-1.0);vec2 bias=SEARCHTEX_SIZE*vec2(offset,1.0);scale+=vec2(-1.0,1.0);bias+=vec2(0.5,-0.5);scale*=1.0/SEARCHTEX_PACKED_SIZE;bias*=1.0/SEARCHTEX_PACKED_SIZE;return texture2D(searchTexture,scale*e+bias).r;}float searchXLeft(in vec2 texCoord,const in float end){vec2 e=vec2(0.0,1.0);for(int i=0;iend&&e.g>0.8281&&e.r==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=vec2(-2.0,0.0)*texelSize+texCoord;}float offset=-(255.0/127.0)*searchLength(e,0.0)+3.25;return texelSize.x*offset+texCoord.x;}float searchXRight(vec2 texCoord,const in float end){vec2 e=vec2(0.0,1.0);for(int i=0;i0.8281&&e.r==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=vec2(2.0,0.0)*texelSize.xy+texCoord;}float offset=-(255.0/127.0)*searchLength(e,0.5)+3.25;return-texelSize.x*offset+texCoord.x;}float searchYUp(vec2 texCoord,const in float end){vec2 e=vec2(1.0,0.0);for(int i=0;iend&&e.r>0.8281&&e.g==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=-vec2(0.0,2.0)*texelSize.xy+texCoord;}float offset=-(255.0/127.0)*searchLength(e.gr,0.0)+3.25;return texelSize.y*offset+texCoord.y;}float searchYDown(vec2 texCoord,const in float end){vec2 e=vec2(1.0,0.0);for(int i=0;i0.8281&&e.g==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=vec2(0.0,2.0)*texelSize.xy+texCoord;}float offset=-(255.0/127.0)*searchLength(e.gr,0.5)+3.25;return-texelSize.y*offset+texCoord.y;}vec2 area(const in vec2 dist,const in float e1,const in float e2,const in float offset){vec2 texCoord=vec2(AREATEX_MAX_DISTANCE)*round(4.0*vec2(e1,e2))+dist;texCoord=AREATEX_PIXEL_SIZE*texCoord+0.5*AREATEX_PIXEL_SIZE;texCoord.y=AREATEX_SUBTEX_SIZE*offset+texCoord.y;return texture2D(areaTexture,texCoord).rg;}void detectHorizontalCornerPattern(inout vec2 weights,const in vec4 texCoord,const in vec2 d){\\n#if !defined(DISABLE_CORNER_DETECTION)\\nvec2 leftRight=step(d.xy,d.yx);vec2 rounding=(1.0-CORNER_ROUNDING_NORM)*leftRight;rounding/=leftRight.x+leftRight.y;vec2 factor=vec2(1.0);factor.x-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(0,1)).r;factor.x-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(1,1)).r;factor.y-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(0,-2)).r;factor.y-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(1,-2)).r;weights*=clamp(factor,0.0,1.0);\\n#endif\\n}void detectVerticalCornerPattern(inout vec2 weights,const in vec4 texCoord,const in vec2 d){\\n#if !defined(DISABLE_CORNER_DETECTION)\\nvec2 leftRight=step(d.xy,d.yx);vec2 rounding=(1.0-CORNER_ROUNDING_NORM)*leftRight;rounding/=leftRight.x+leftRight.y;vec2 factor=vec2(1.0);factor.x-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(1,0)).g;factor.x-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(1,1)).g;factor.y-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(-2,0)).g;factor.y-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(-2,1)).g;weights*=clamp(factor,0.0,1.0);\\n#endif\\n}void main(){vec4 weights=vec4(0.0);vec4 subsampleIndices=vec4(0.0);vec2 e=texture2D(inputBuffer,vUv).rg;if(e.g>0.0){\\n#if !defined(DISABLE_DIAG_DETECTION)\\nweights.rg=calculateDiagWeights(vUv,e,subsampleIndices);if(weights.r==-weights.g){\\n#endif\\nvec2 d;vec3 coords;coords.x=searchXLeft(vOffset[0].xy,vOffset[2].x);coords.y=vOffset[1].y;d.x=coords.x;float e1=texture2D(inputBuffer,coords.xy).r;coords.z=searchXRight(vOffset[0].zw,vOffset[2].y);d.y=coords.z;d=round(resolution.xx*d+-vPixCoord.xx);vec2 sqrtD=sqrt(abs(d));float e2=sampleLevelZeroOffset(inputBuffer,coords.zy,vec2(1,0)).r;weights.rg=area(sqrtD,e1,e2,subsampleIndices.y);coords.y=vUv.y;detectHorizontalCornerPattern(weights.rg,coords.xyzy,d);\\n#if !defined(DISABLE_DIAG_DETECTION)\\n}else{e.r=0.0;}\\n#endif\\n}if(e.r>0.0){vec2 d;vec3 coords;coords.y=searchYUp(vOffset[1].xy,vOffset[2].z);coords.x=vOffset[0].x;d.x=coords.y;float e1=texture2D(inputBuffer,coords.xy).g;coords.z=searchYDown(vOffset[1].zw,vOffset[2].w);d.y=coords.z;d=round(resolution.yy*d-vPixCoord.yy);vec2 sqrtD=sqrt(abs(d));float e2=sampleLevelZeroOffset(inputBuffer,coords.xz,vec2(0,1)).g;weights.ba=area(sqrtD,e1,e2,subsampleIndices.x);coords.x=vUv.x;detectVerticalCornerPattern(weights.ba,coords.xyxz,d);}gl_FragColor=weights;}\";\n\n// src/materials/glsl/smaa-weights.vert\nvar smaa_weights_default2 = \"uniform vec2 texelSize;uniform vec2 resolution;varying vec2 vUv;varying vec4 vOffset[3];varying vec2 vPixCoord;void main(){vUv=position.xy*0.5+0.5;vPixCoord=vUv*resolution;vOffset[0]=vUv.xyxy+texelSize.xyxy*vec4(-0.25,-0.125,1.25,-0.125);vOffset[1]=vUv.xyxy+texelSize.xyxy*vec4(-0.125,-0.25,-0.125,1.25);vOffset[2]=vec4(vOffset[0].xz,vOffset[1].yw)+vec4(-2.0,2.0,-2.0,2.0)*texelSize.xxyy*MAX_SEARCH_STEPS_FLOAT;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/SMAAWeightsMaterial.js\nvar SMAAWeightsMaterial = class extends ShaderMaterial19 {\n constructor(texelSize = new Vector211(), resolution = new Vector211()) {\n super({\n name: \"SMAAWeightsMaterial\",\n defines: {\n MAX_SEARCH_STEPS_INT: \"16\",\n MAX_SEARCH_STEPS_FLOAT: \"16.0\",\n MAX_SEARCH_STEPS_DIAG_INT: \"8\",\n MAX_SEARCH_STEPS_DIAG_FLOAT: \"8.0\",\n CORNER_ROUNDING: \"25\",\n CORNER_ROUNDING_NORM: \"0.25\",\n AREATEX_MAX_DISTANCE: \"16.0\",\n AREATEX_MAX_DISTANCE_DIAG: \"20.0\",\n AREATEX_PIXEL_SIZE: \"(1.0 / vec2(160.0, 560.0))\",\n AREATEX_SUBTEX_SIZE: \"(1.0 / 7.0)\",\n SEARCHTEX_SIZE: \"vec2(66.0, 33.0)\",\n SEARCHTEX_PACKED_SIZE: \"vec2(64.0, 16.0)\"\n },\n uniforms: {\n inputBuffer: new Uniform19(null),\n searchTexture: new Uniform19(null),\n areaTexture: new Uniform19(null),\n resolution: new Uniform19(resolution),\n texelSize: new Uniform19(texelSize)\n },\n blending: NoBlending19,\n depthWrite: false,\n depthTest: false,\n fragmentShader: smaa_weights_default,\n vertexShader: smaa_weights_default2\n });\n this.toneMapped = false;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n get searchTexture() {\n return this.uniforms.searchTexture.value;\n }\n set searchTexture(value) {\n this.uniforms.searchTexture.value = value;\n }\n get areaTexture() {\n return this.uniforms.areaTexture.value;\n }\n set areaTexture(value) {\n this.uniforms.areaTexture.value = value;\n }\n setLookupTextures(search, area2) {\n this.searchTexture = search;\n this.areaTexture = area2;\n }\n get orthogonalSearchSteps() {\n return Number(this.defines.MAX_SEARCH_STEPS_INT);\n }\n set orthogonalSearchSteps(value) {\n const s = Math.min(Math.max(value, 0), 112);\n this.defines.MAX_SEARCH_STEPS_INT = s.toFixed(\"0\");\n this.defines.MAX_SEARCH_STEPS_FLOAT = s.toFixed(\"1\");\n this.needsUpdate = true;\n }\n setOrthogonalSearchSteps(value) {\n this.orthogonalSearchSteps = value;\n }\n get diagonalSearchSteps() {\n return Number(this.defines.MAX_SEARCH_STEPS_DIAG_INT);\n }\n set diagonalSearchSteps(value) {\n const s = Math.min(Math.max(value, 0), 20);\n this.defines.MAX_SEARCH_STEPS_DIAG_INT = s.toFixed(\"0\");\n this.defines.MAX_SEARCH_STEPS_DIAG_FLOAT = s.toFixed(\"1\");\n this.needsUpdate = true;\n }\n setDiagonalSearchSteps(value) {\n this.diagonalSearchSteps = value;\n }\n get diagonalDetection() {\n return this.defines.DISABLE_DIAG_DETECTION === void 0;\n }\n set diagonalDetection(value) {\n if (value) {\n delete this.defines.DISABLE_DIAG_DETECTION;\n } else {\n this.defines.DISABLE_DIAG_DETECTION = \"1\";\n }\n this.needsUpdate = true;\n }\n isDiagonalDetectionEnabled() {\n return this.diagonalDetection;\n }\n setDiagonalDetectionEnabled(value) {\n this.diagonalDetection = value;\n }\n get cornerRounding() {\n return Number(this.defines.CORNER_ROUNDING);\n }\n set cornerRounding(value) {\n const r = Math.min(Math.max(value, 0), 100);\n this.defines.CORNER_ROUNDING = r.toFixed(\"4\");\n this.defines.CORNER_ROUNDING_NORM = (r / 100).toFixed(\"4\");\n this.needsUpdate = true;\n }\n setCornerRounding(value) {\n this.cornerRounding = value;\n }\n get cornerDetection() {\n return this.defines.DISABLE_CORNER_DETECTION === void 0;\n }\n set cornerDetection(value) {\n if (value) {\n delete this.defines.DISABLE_CORNER_DETECTION;\n } else {\n this.defines.DISABLE_CORNER_DETECTION = \"1\";\n }\n this.needsUpdate = true;\n }\n isCornerRoundingEnabled() {\n return this.cornerDetection;\n }\n setCornerRoundingEnabled(value) {\n this.cornerDetection = value;\n }\n setSize(width, height) {\n const uniforms = this.uniforms;\n uniforms.texelSize.value.set(1 / width, 1 / height);\n uniforms.resolution.value.set(width, height);\n }\n};\n\n// src/materials/SSAOMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking7, Matrix4, NoBlending as NoBlending20, PerspectiveCamera as PerspectiveCamera6, ShaderMaterial as ShaderMaterial20, Uniform as Uniform20, Vector2 as Vector212 } from \"three\";\n\n// src/materials/glsl/ssao.frag\nvar ssao_default = \"#include \\n#include \\n#ifdef NORMAL_DEPTH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){return texture2D(normalDepthBuffer,uv).a;}\\n#else\\nuniform lowp sampler2D normalBuffer;\\n#if DEPTH_PACKING == 3201\\nuniform lowp sampler2D depthBuffer;\\n#elif defined(GL_FRAGMENT_PRECISION_HIGH)\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}\\n#endif\\nuniform lowp sampler2D noiseTexture;uniform mat4 inverseProjectionMatrix;uniform mat4 projectionMatrix;uniform vec2 texelSize;uniform vec2 cameraNearFar;uniform float intensity;uniform float minRadiusScale;uniform float fade;uniform float bias;uniform vec2 distanceCutoff;uniform vec2 proximityCutoff;varying vec2 vUv;varying vec2 vUv2;float getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#endif\\n}vec3 getViewPosition(const in vec2 screenPosition,const in float depth,const in float viewZ){vec4 clipPosition=vec4(vec3(screenPosition,depth)*2.0-1.0,1.0);float clipW=projectionMatrix[2][3]*viewZ+projectionMatrix[3][3];clipPosition*=clipW;return(inverseProjectionMatrix*clipPosition).xyz;}float getAmbientOcclusion(const in vec3 p,const in vec3 n,const in float depth,const in vec2 uv){float radiusScale=1.0-smoothstep(0.0,distanceCutoff.y,depth);radiusScale=radiusScale*(1.0-minRadiusScale)+minRadiusScale;float radius=RADIUS*radiusScale;float noise=texture2D(noiseTexture,vUv2).r;float baseAngle=noise*PI2;float rings=SPIRAL_TURNS*PI2;float occlusion=0.0;int taps=0;for(int i=0;i1.0||coords.t<0.0||coords.t>1.0){continue;}float sampleDepth=readDepth(coords);float viewZ=getViewZ(sampleDepth);\\n#ifdef PERSPECTIVE_CAMERA\\nfloat linearSampleDepth=viewZToOrthographicDepth(viewZ,cameraNearFar.x,cameraNearFar.y);\\n#else\\nfloat linearSampleDepth=sampleDepth;\\n#endif\\nfloat proximity=abs(depth-linearSampleDepth);if(proximity\\n}\";\n\n// src/materials/glsl/convolution.tilt-shift.vert\nvar convolution_tilt_shift_default2 = \"uniform vec4 texelSize;uniform float kernel;uniform float scale;uniform float aspect;uniform vec2 rotation;varying vec2 vUv;varying vec2 vUv2;varying vec2 vOffset;void main(){vec2 uv=position.xy*0.5+0.5;vUv=uv;vUv2=(uv-0.5)*2.0*vec2(aspect,1.0);vUv2=vec2(dot(rotation,vUv2),dot(rotation,vec2(vUv2.y,-vUv2.x)));vOffset=(texelSize.xy*vec2(kernel)+texelSize.zw)*scale;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/TiltShiftBlurMaterial.js\nvar TiltShiftBlurMaterial = class extends KawaseBlurMaterial {\n constructor({\n kernelSize = KernelSize.MEDIUM,\n offset = 0,\n rotation = 0,\n focusArea = 0.4,\n feather = 0.3\n } = {}) {\n super();\n this.fragmentShader = convolution_tilt_shift_default;\n this.vertexShader = convolution_tilt_shift_default2;\n this.kernelSize = kernelSize;\n this.uniforms.aspect = new Uniform21(1);\n this.uniforms.rotation = new Uniform21(new Vector213());\n this.uniforms.maskParams = new Uniform21(new Vector42());\n this._offset = offset;\n this._focusArea = focusArea;\n this._feather = feather;\n this.rotation = rotation;\n this.updateParams();\n }\n updateParams() {\n const params = this.uniforms.maskParams.value;\n const a = Math.max(this.focusArea, 0);\n const b = Math.max(a - this.feather, 0);\n params.set(\n this.offset - a,\n this.offset - b,\n this.offset + a,\n this.offset + b\n );\n }\n get rotation() {\n return Math.acos(this.uniforms.rotation.value.x);\n }\n set rotation(value) {\n this.uniforms.rotation.value.set(Math.cos(value), Math.sin(value));\n }\n get offset() {\n return this._offset;\n }\n set offset(value) {\n this._offset = value;\n this.updateParams();\n }\n get focusArea() {\n return this._focusArea;\n }\n set focusArea(value) {\n this._focusArea = value;\n this.updateParams();\n }\n get feather() {\n return this._feather;\n }\n set feather(value) {\n this._feather = value;\n this.updateParams();\n }\n setSize(width, height) {\n super.setSize(width, height);\n this.uniforms.aspect.value = width / height;\n }\n};\n\n// src/materials/UpsamplingMaterial.js\nimport { NoBlending as NoBlending21, ShaderMaterial as ShaderMaterial21, Uniform as Uniform22, Vector2 as Vector214 } from \"three\";\n\n// src/materials/glsl/convolution.upsampling.frag\nvar convolution_upsampling_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;uniform mediump sampler2D supportBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;uniform lowp sampler2D supportBuffer;\\n#endif\\nuniform float radius;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;varying vec2 vUv6;varying vec2 vUv7;void main(){vec4 c=vec4(0.0);c+=texture2D(inputBuffer,vUv0)*0.0625;c+=texture2D(inputBuffer,vUv1)*0.125;c+=texture2D(inputBuffer,vUv2)*0.0625;c+=texture2D(inputBuffer,vUv3)*0.125;c+=texture2D(inputBuffer,vUv)*0.25;c+=texture2D(inputBuffer,vUv4)*0.125;c+=texture2D(inputBuffer,vUv5)*0.0625;c+=texture2D(inputBuffer,vUv6)*0.125;c+=texture2D(inputBuffer,vUv7)*0.0625;vec4 baseColor=texture2D(supportBuffer,vUv);gl_FragColor=mix(baseColor,c,radius);\\n#include \\n}\";\n\n// src/materials/glsl/convolution.upsampling.vert\nvar convolution_upsampling_default2 = \"uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;varying vec2 vUv6;varying vec2 vUv7;void main(){vUv=position.xy*0.5+0.5;vUv0=vUv+texelSize*vec2(-1.0,1.0);vUv1=vUv+texelSize*vec2(0.0,1.0);vUv2=vUv+texelSize*vec2(1.0,1.0);vUv3=vUv+texelSize*vec2(-1.0,0.0);vUv4=vUv+texelSize*vec2(1.0,0.0);vUv5=vUv+texelSize*vec2(-1.0,-1.0);vUv6=vUv+texelSize*vec2(0.0,-1.0);vUv7=vUv+texelSize*vec2(1.0,-1.0);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/UpsamplingMaterial.js\nvar UpsamplingMaterial = class extends ShaderMaterial21 {\n constructor() {\n super({\n name: \"UpsamplingMaterial\",\n uniforms: {\n inputBuffer: new Uniform22(null),\n supportBuffer: new Uniform22(null),\n texelSize: new Uniform22(new Vector214()),\n radius: new Uniform22(0.85)\n },\n blending: NoBlending21,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_upsampling_default,\n vertexShader: convolution_upsampling_default2\n });\n this.toneMapped = false;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n set supportBuffer(value) {\n this.uniforms.supportBuffer.value = value;\n }\n get radius() {\n return this.uniforms.radius.value;\n }\n set radius(value) {\n this.uniforms.radius.value = value;\n }\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/passes/CopyPass.js\nimport { LinearFilter, sRGBEncoding as sRGBEncoding2, UnsignedByteType as UnsignedByteType3, WebGLRenderTarget as WebGLRenderTarget2 } from \"three\";\n\n// src/passes/Pass.js\nimport {\n BasicDepthPacking as BasicDepthPacking8,\n BufferAttribute,\n BufferGeometry,\n Camera,\n Material,\n Mesh,\n Scene,\n Texture,\n WebGLRenderTarget\n} from \"three\";\nvar dummyCamera = new Camera();\nvar geometry = null;\nfunction getFullscreenTriangle() {\n if (geometry === null) {\n const vertices = new Float32Array([-1, -1, 0, 3, -1, 0, -1, 3, 0]);\n const uvs = new Float32Array([0, 0, 2, 0, 0, 2]);\n geometry = new BufferGeometry();\n if (geometry.setAttribute !== void 0) {\n geometry.setAttribute(\"position\", new BufferAttribute(vertices, 3));\n geometry.setAttribute(\"uv\", new BufferAttribute(uvs, 2));\n } else {\n geometry.addAttribute(\"position\", new BufferAttribute(vertices, 3));\n geometry.addAttribute(\"uv\", new BufferAttribute(uvs, 2));\n }\n }\n return geometry;\n}\nvar Pass = class {\n constructor(name = \"Pass\", scene = new Scene(), camera = dummyCamera) {\n this.name = name;\n this.renderer = null;\n this.scene = scene;\n this.camera = camera;\n this.screen = null;\n this.rtt = true;\n this.needsSwap = true;\n this.needsDepthTexture = false;\n this.enabled = true;\n }\n get renderToScreen() {\n return !this.rtt;\n }\n set renderToScreen(value) {\n if (this.rtt === value) {\n const material = this.fullscreenMaterial;\n if (material !== null) {\n material.needsUpdate = true;\n }\n this.rtt = !value;\n }\n }\n set mainScene(value) {\n }\n set mainCamera(value) {\n }\n setRenderer(renderer) {\n this.renderer = renderer;\n }\n isEnabled() {\n return this.enabled;\n }\n setEnabled(value) {\n this.enabled = value;\n }\n get fullscreenMaterial() {\n return this.screen !== null ? this.screen.material : null;\n }\n set fullscreenMaterial(value) {\n let screen = this.screen;\n if (screen !== null) {\n screen.material = value;\n } else {\n screen = new Mesh(getFullscreenTriangle(), value);\n screen.frustumCulled = false;\n if (this.scene === null) {\n this.scene = new Scene();\n }\n this.scene.add(screen);\n this.screen = screen;\n }\n }\n getFullscreenMaterial() {\n return this.fullscreenMaterial;\n }\n setFullscreenMaterial(value) {\n this.fullscreenMaterial = value;\n }\n getDepthTexture() {\n return null;\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking8) {\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n throw new Error(\"Render method not implemented!\");\n }\n setSize(width, height) {\n }\n initialize(renderer, alpha, frameBufferType) {\n }\n dispose() {\n for (const key of Object.keys(this)) {\n const property = this[key];\n const isDisposable = property instanceof WebGLRenderTarget || property instanceof Material || property instanceof Texture || property instanceof Pass;\n if (isDisposable) {\n this[key].dispose();\n }\n }\n }\n};\n\n// src/passes/CopyPass.js\nvar CopyPass = class extends Pass {\n constructor(renderTarget, autoResize = true) {\n super(\"CopyPass\");\n this.fullscreenMaterial = new CopyMaterial();\n this.needsSwap = false;\n this.renderTarget = renderTarget;\n if (renderTarget === void 0) {\n this.renderTarget = new WebGLRenderTarget2(1, 1, {\n minFilter: LinearFilter,\n magFilter: LinearFilter,\n stencilBuffer: false,\n depthBuffer: false\n });\n this.renderTarget.texture.name = \"CopyPass.Target\";\n }\n this.autoResize = autoResize;\n }\n get resize() {\n return this.autoResize;\n }\n set resize(value) {\n this.autoResize = value;\n }\n get texture() {\n return this.renderTarget.texture;\n }\n getTexture() {\n return this.renderTarget.texture;\n }\n setAutoResizeEnabled(value) {\n this.autoResize = value;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n this.fullscreenMaterial.inputBuffer = inputBuffer.texture;\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n renderer.render(this.scene, this.camera);\n }\n setSize(width, height) {\n if (this.autoResize) {\n this.renderTarget.setSize(width, height);\n }\n }\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0) {\n this.renderTarget.texture.type = frameBufferType;\n if (frameBufferType !== UnsignedByteType3) {\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer.outputEncoding === sRGBEncoding2) {\n this.renderTarget.texture.encoding = sRGBEncoding2;\n }\n }\n }\n};\n\n// src/passes/AdaptiveLuminancePass.js\nvar AdaptiveLuminancePass = class extends Pass {\n constructor(luminanceBuffer, { minLuminance = 0.01, adaptationRate = 1 } = {}) {\n super(\"AdaptiveLuminancePass\");\n this.fullscreenMaterial = new AdaptiveLuminanceMaterial();\n this.needsSwap = false;\n this.renderTargetPrevious = new WebGLRenderTarget3(1, 1, {\n minFilter: NearestFilter,\n magFilter: NearestFilter,\n depthBuffer: false\n });\n this.renderTargetPrevious.texture.name = \"Luminance.Previous\";\n const material = this.fullscreenMaterial;\n material.luminanceBuffer0 = this.renderTargetPrevious.texture;\n material.luminanceBuffer1 = luminanceBuffer;\n material.minLuminance = minLuminance;\n material.adaptationRate = adaptationRate;\n this.renderTargetAdapted = this.renderTargetPrevious.clone();\n this.renderTargetAdapted.texture.name = \"Luminance.Adapted\";\n this.copyPass = new CopyPass(this.renderTargetPrevious, false);\n }\n get texture() {\n return this.renderTargetAdapted.texture;\n }\n getTexture() {\n return this.renderTargetAdapted.texture;\n }\n set mipLevel1x1(value) {\n this.fullscreenMaterial.mipLevel1x1 = value;\n }\n get adaptationRate() {\n return this.fullscreenMaterial.adaptationRate;\n }\n set adaptationRate(value) {\n this.fullscreenMaterial.adaptationRate = value;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n this.fullscreenMaterial.deltaTime = deltaTime;\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTargetAdapted);\n renderer.render(this.scene, this.camera);\n this.copyPass.render(renderer, this.renderTargetAdapted);\n }\n};\n\n// src/passes/BoxBlurPass.js\nimport { BasicDepthPacking as BasicDepthPacking9, sRGBEncoding as sRGBEncoding3, UnsignedByteType as UnsignedByteType4, WebGLRenderTarget as WebGLRenderTarget4 } from \"three\";\nvar BoxBlurPass = class extends Pass {\n constructor({\n kernelSize = 5,\n iterations = 1,\n bilateral = false,\n resolutionScale = 1,\n resolutionX = Resolution.AUTO_SIZE,\n resolutionY = Resolution.AUTO_SIZE\n } = {}) {\n super(\"BoxBlurPass\");\n this.needsDepthTexture = bilateral;\n this.renderTargetA = new WebGLRenderTarget4(1, 1, { depthBuffer: false });\n this.renderTargetA.texture.name = \"Blur.Target.A\";\n this.renderTargetB = new WebGLRenderTarget4(1, 1, { depthBuffer: false });\n this.renderTargetB.texture.name = \"Blur.Target.B\";\n this.blurMaterial = new BoxBlurMaterial({ bilateral, kernelSize });\n this.copyMaterial = new CopyMaterial();\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.iterations = iterations;\n }\n set mainCamera(value) {\n this.blurMaterial.copyCameraSettings(value);\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking9) {\n this.blurMaterial.depthBuffer = depthTexture;\n this.blurMaterial.depthPacking = depthPacking;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const scene = this.scene;\n const camera = this.camera;\n const renderTargetA = this.renderTargetA;\n const renderTargetB = this.renderTargetB;\n const blurMaterial = this.blurMaterial;\n this.fullscreenMaterial = blurMaterial;\n let previousBuffer = inputBuffer;\n for (let i = 0, l = Math.max(this.iterations, 1); i < l; ++i) {\n const buffer = (i & 1) === 0 ? renderTargetA : renderTargetB;\n blurMaterial.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(buffer);\n renderer.render(scene, camera);\n previousBuffer = buffer;\n }\n this.copyMaterial.inputBuffer = previousBuffer.texture;\n this.fullscreenMaterial = this.copyMaterial;\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(scene, camera);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.renderTargetA.setSize(w, h);\n this.renderTargetB.setSize(w, h);\n this.blurMaterial.setSize(width, height);\n }\n initialize(renderer, alpha, frameBufferType) {\n this.blurMaterial.maxVaryingVectors = renderer.capabilities.maxVaryings;\n if (frameBufferType !== void 0) {\n this.renderTargetA.texture.type = frameBufferType;\n this.renderTargetB.texture.type = frameBufferType;\n if (frameBufferType !== UnsignedByteType4) {\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer.outputEncoding === sRGBEncoding3) {\n this.renderTargetA.texture.encoding = sRGBEncoding3;\n this.renderTargetB.texture.encoding = sRGBEncoding3;\n }\n }\n }\n};\n\n// src/passes/ClearMaskPass.js\nvar ClearMaskPass = class extends Pass {\n constructor() {\n super(\"ClearMaskPass\", null, null);\n this.needsSwap = false;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const stencil = renderer.state.buffers.stencil;\n stencil.setLocked(false);\n stencil.setTest(false);\n }\n};\n\n// src/passes/ClearPass.js\nimport { Color } from \"three\";\nvar color = new Color();\nvar ClearPass = class extends Pass {\n constructor(color2 = true, depth = true, stencil = false) {\n super(\"ClearPass\", null, null);\n this.needsSwap = false;\n this.color = color2;\n this.depth = depth;\n this.stencil = stencil;\n this.overrideClearColor = null;\n this.overrideClearAlpha = -1;\n }\n setClearFlags(color2, depth, stencil) {\n this.color = color2;\n this.depth = depth;\n this.stencil = stencil;\n }\n getOverrideClearColor() {\n return this.overrideClearColor;\n }\n setOverrideClearColor(value) {\n this.overrideClearColor = value;\n }\n getOverrideClearAlpha() {\n return this.overrideClearAlpha;\n }\n setOverrideClearAlpha(value) {\n this.overrideClearAlpha = value;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const overrideClearColor = this.overrideClearColor;\n const overrideClearAlpha = this.overrideClearAlpha;\n const clearAlpha = renderer.getClearAlpha();\n const hasOverrideClearColor = overrideClearColor !== null;\n const hasOverrideClearAlpha = overrideClearAlpha >= 0;\n if (hasOverrideClearColor) {\n renderer.getClearColor(color);\n renderer.setClearColor(overrideClearColor, hasOverrideClearAlpha ? overrideClearAlpha : clearAlpha);\n } else if (hasOverrideClearAlpha) {\n renderer.setClearAlpha(overrideClearAlpha);\n }\n renderer.setRenderTarget(this.renderToScreen ? null : inputBuffer);\n renderer.clear(this.color, this.depth, this.stencil);\n if (hasOverrideClearColor) {\n renderer.setClearColor(color, clearAlpha);\n } else if (hasOverrideClearAlpha) {\n renderer.setClearAlpha(clearAlpha);\n }\n }\n};\n\n// src/passes/DepthPass.js\nimport { Color as Color2, MeshDepthMaterial, NearestFilter as NearestFilter2, RGBADepthPacking as RGBADepthPacking2, WebGLRenderTarget as WebGLRenderTarget5 } from \"three\";\n\n// src/core/Resolution.js\nimport { EventDispatcher, Vector2 as Vector215 } from \"three\";\nvar AUTO_SIZE = -1;\nvar Resolution = class extends EventDispatcher {\n constructor(resizable, width = AUTO_SIZE, height = AUTO_SIZE, scale = 1) {\n super();\n this.resizable = resizable;\n this.baseSize = new Vector215(1, 1);\n this.preferredSize = new Vector215(width, height);\n this.target = this.preferredSize;\n this.s = scale;\n this.effectiveSize = new Vector215();\n this.addEventListener(\"change\", () => this.updateEffectiveSize());\n this.updateEffectiveSize();\n }\n updateEffectiveSize() {\n const base = this.baseSize;\n const preferred = this.preferredSize;\n const effective = this.effectiveSize;\n const scale = this.scale;\n if (preferred.width !== AUTO_SIZE) {\n effective.width = preferred.width;\n } else if (preferred.height !== AUTO_SIZE) {\n effective.width = Math.round(preferred.height * (base.width / Math.max(base.height, 1)));\n } else {\n effective.width = Math.round(base.width * scale);\n }\n if (preferred.height !== AUTO_SIZE) {\n effective.height = preferred.height;\n } else if (preferred.width !== AUTO_SIZE) {\n effective.height = Math.round(preferred.width / Math.max(base.width / Math.max(base.height, 1), 1));\n } else {\n effective.height = Math.round(base.height * scale);\n }\n }\n get width() {\n return this.effectiveSize.width;\n }\n set width(value) {\n this.preferredWidth = value;\n }\n get height() {\n return this.effectiveSize.height;\n }\n set height(value) {\n this.preferredHeight = value;\n }\n getWidth() {\n return this.width;\n }\n getHeight() {\n return this.height;\n }\n get scale() {\n return this.s;\n }\n set scale(value) {\n if (this.s !== value) {\n this.s = value;\n this.preferredSize.setScalar(AUTO_SIZE);\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n getScale() {\n return this.scale;\n }\n setScale(value) {\n this.scale = value;\n }\n get baseWidth() {\n return this.baseSize.width;\n }\n set baseWidth(value) {\n if (this.baseSize.width !== value) {\n this.baseSize.width = value;\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n getBaseWidth() {\n return this.baseWidth;\n }\n setBaseWidth(value) {\n this.baseWidth = value;\n }\n get baseHeight() {\n return this.baseSize.height;\n }\n set baseHeight(value) {\n if (this.baseSize.height !== value) {\n this.baseSize.height = value;\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n getBaseHeight() {\n return this.baseHeight;\n }\n setBaseHeight(value) {\n this.baseHeight = value;\n }\n setBaseSize(width, height) {\n if (this.baseSize.width !== width || this.baseSize.height !== height) {\n this.baseSize.set(width, height);\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n get preferredWidth() {\n return this.preferredSize.width;\n }\n set preferredWidth(value) {\n if (this.preferredSize.width !== value) {\n this.preferredSize.width = value;\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n getPreferredWidth() {\n return this.preferredWidth;\n }\n setPreferredWidth(value) {\n this.preferredWidth = value;\n }\n get preferredHeight() {\n return this.preferredSize.height;\n }\n set preferredHeight(value) {\n if (this.preferredSize.height !== value) {\n this.preferredSize.height = value;\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n getPreferredHeight() {\n return this.preferredHeight;\n }\n setPreferredHeight(value) {\n this.preferredHeight = value;\n }\n setPreferredSize(width, height) {\n if (this.preferredSize.width !== width || this.preferredSize.height !== height) {\n this.preferredSize.set(width, height);\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n copy(resolution) {\n this.s = resolution.scale;\n this.baseSize.set(resolution.baseWidth, resolution.baseHeight);\n this.preferredSize.set(resolution.preferredWidth, resolution.preferredHeight);\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n static get AUTO_SIZE() {\n return AUTO_SIZE;\n }\n};\n\n// src/core/OverrideMaterialManager.js\nimport { BackSide, DoubleSide, FrontSide } from \"three\";\nvar workaroundEnabled = false;\nvar OverrideMaterialManager = class {\n constructor(material = null) {\n this.originalMaterials = /* @__PURE__ */ new Map();\n this.material = null;\n this.materials = null;\n this.materialsBackSide = null;\n this.materialsDoubleSide = null;\n this.materialsFlatShaded = null;\n this.materialsFlatShadedBackSide = null;\n this.materialsFlatShadedDoubleSide = null;\n this.setMaterial(material);\n this.meshCount = 0;\n this.replaceMaterial = (node) => {\n if (node.isMesh) {\n let materials;\n if (node.material.flatShading) {\n switch (node.material.side) {\n case DoubleSide:\n materials = this.materialsFlatShadedDoubleSide;\n break;\n case BackSide:\n materials = this.materialsFlatShadedBackSide;\n break;\n default:\n materials = this.materialsFlatShaded;\n break;\n }\n } else {\n switch (node.material.side) {\n case DoubleSide:\n materials = this.materialsDoubleSide;\n break;\n case BackSide:\n materials = this.materialsBackSide;\n break;\n default:\n materials = this.materials;\n break;\n }\n }\n this.originalMaterials.set(node, node.material);\n if (node.isSkinnedMesh) {\n node.material = materials[2];\n } else if (node.isInstancedMesh) {\n node.material = materials[1];\n } else {\n node.material = materials[0];\n }\n ++this.meshCount;\n }\n };\n }\n setMaterial(material) {\n this.disposeMaterials();\n this.material = material;\n if (material !== null) {\n const materials = this.materials = [\n material.clone(),\n material.clone(),\n material.clone()\n ];\n for (const m2 of materials) {\n m2.uniforms = Object.assign({}, material.uniforms);\n m2.side = FrontSide;\n }\n materials[2].skinning = true;\n this.materialsBackSide = materials.map((m2) => {\n const c2 = m2.clone();\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.side = BackSide;\n return c2;\n });\n this.materialsDoubleSide = materials.map((m2) => {\n const c2 = m2.clone();\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.side = DoubleSide;\n return c2;\n });\n this.materialsFlatShaded = materials.map((m2) => {\n const c2 = m2.clone();\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.flatShading = true;\n return c2;\n });\n this.materialsFlatShadedBackSide = materials.map((m2) => {\n const c2 = m2.clone();\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.flatShading = true;\n c2.side = BackSide;\n return c2;\n });\n this.materialsFlatShadedDoubleSide = materials.map((m2) => {\n const c2 = m2.clone();\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.flatShading = true;\n c2.side = DoubleSide;\n return c2;\n });\n }\n }\n render(renderer, scene, camera) {\n const shadowMapEnabled = renderer.shadowMap.enabled;\n renderer.shadowMap.enabled = false;\n if (workaroundEnabled) {\n const originalMaterials = this.originalMaterials;\n this.meshCount = 0;\n scene.traverse(this.replaceMaterial);\n renderer.render(scene, camera);\n for (const entry of originalMaterials) {\n entry[0].material = entry[1];\n }\n if (this.meshCount !== originalMaterials.size) {\n originalMaterials.clear();\n }\n } else {\n const overrideMaterial = scene.overrideMaterial;\n scene.overrideMaterial = this.material;\n renderer.render(scene, camera);\n scene.overrideMaterial = overrideMaterial;\n }\n renderer.shadowMap.enabled = shadowMapEnabled;\n }\n disposeMaterials() {\n if (this.material !== null) {\n const materials = this.materials.concat(this.materialsBackSide).concat(this.materialsDoubleSide).concat(this.materialsFlatShaded).concat(this.materialsFlatShadedBackSide).concat(this.materialsFlatShadedDoubleSide);\n for (const m2 of materials) {\n m2.dispose();\n }\n }\n }\n dispose() {\n this.originalMaterials.clear();\n this.disposeMaterials();\n }\n static get workaroundEnabled() {\n return workaroundEnabled;\n }\n static set workaroundEnabled(value) {\n workaroundEnabled = value;\n }\n};\n\n// src/passes/RenderPass.js\nvar RenderPass = class extends Pass {\n constructor(scene, camera, overrideMaterial = null) {\n super(\"RenderPass\", scene, camera);\n this.needsSwap = false;\n this.clearPass = new ClearPass();\n this.overrideMaterialManager = overrideMaterial === null ? null : new OverrideMaterialManager(overrideMaterial);\n this.ignoreBackground = false;\n this.skipShadowMapUpdate = false;\n this.selection = null;\n }\n set mainScene(value) {\n this.scene = value;\n }\n set mainCamera(value) {\n this.camera = value;\n }\n get renderToScreen() {\n return super.renderToScreen;\n }\n set renderToScreen(value) {\n super.renderToScreen = value;\n this.clearPass.renderToScreen = value;\n }\n get overrideMaterial() {\n const manager = this.overrideMaterialManager;\n return manager !== null ? manager.material : null;\n }\n set overrideMaterial(value) {\n const manager = this.overrideMaterialManager;\n if (value !== null) {\n if (manager !== null) {\n manager.setMaterial(value);\n } else {\n this.overrideMaterialManager = new OverrideMaterialManager(value);\n }\n } else if (manager !== null) {\n manager.dispose();\n this.overrideMaterialManager = null;\n }\n }\n getOverrideMaterial() {\n return this.overrideMaterial;\n }\n setOverrideMaterial(value) {\n this.overrideMaterial = value;\n }\n get clear() {\n return this.clearPass.enabled;\n }\n set clear(value) {\n this.clearPass.enabled = value;\n }\n getSelection() {\n return this.selection;\n }\n setSelection(value) {\n this.selection = value;\n }\n isBackgroundDisabled() {\n return this.ignoreBackground;\n }\n setBackgroundDisabled(value) {\n this.ignoreBackground = value;\n }\n isShadowMapDisabled() {\n return this.skipShadowMapUpdate;\n }\n setShadowMapDisabled(value) {\n this.skipShadowMapUpdate = value;\n }\n getClearPass() {\n return this.clearPass;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const scene = this.scene;\n const camera = this.camera;\n const selection = this.selection;\n const mask = camera.layers.mask;\n const background = scene.background;\n const shadowMapAutoUpdate = renderer.shadowMap.autoUpdate;\n const renderTarget = this.renderToScreen ? null : inputBuffer;\n if (selection !== null) {\n camera.layers.set(selection.getLayer());\n }\n if (this.skipShadowMapUpdate) {\n renderer.shadowMap.autoUpdate = false;\n }\n if (this.ignoreBackground || this.clearPass.overrideClearColor !== null) {\n scene.background = null;\n }\n if (this.clearPass.enabled) {\n this.clearPass.render(renderer, inputBuffer);\n }\n renderer.setRenderTarget(renderTarget);\n if (this.overrideMaterialManager !== null) {\n this.overrideMaterialManager.render(renderer, scene, camera);\n } else {\n renderer.render(scene, camera);\n }\n camera.layers.mask = mask;\n scene.background = background;\n renderer.shadowMap.autoUpdate = shadowMapAutoUpdate;\n }\n};\n\n// src/passes/DepthPass.js\nvar DepthPass = class extends Pass {\n constructor(scene, camera, {\n renderTarget,\n resolutionScale = 1,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"DepthPass\");\n this.needsSwap = false;\n this.renderPass = new RenderPass(scene, camera, new MeshDepthMaterial({\n depthPacking: RGBADepthPacking2\n }));\n const renderPass = this.renderPass;\n renderPass.skipShadowMapUpdate = true;\n renderPass.ignoreBackground = true;\n const clearPass = renderPass.getClearPass();\n clearPass.overrideClearColor = new Color2(16777215);\n clearPass.overrideClearAlpha = 1;\n this.renderTarget = renderTarget;\n if (this.renderTarget === void 0) {\n this.renderTarget = new WebGLRenderTarget5(1, 1, {\n minFilter: NearestFilter2,\n magFilter: NearestFilter2\n });\n this.renderTarget.texture.name = \"DepthPass.Target\";\n }\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n set mainScene(value) {\n this.renderPass.mainScene = value;\n }\n set mainCamera(value) {\n this.renderPass.mainCamera = value;\n }\n get texture() {\n return this.renderTarget.texture;\n }\n getTexture() {\n return this.renderTarget.texture;\n }\n getResolution() {\n return this.resolution;\n }\n getResolutionScale() {\n return this.resolution.scale;\n }\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const renderTarget = this.renderToScreen ? null : this.renderTarget;\n this.renderPass.render(renderer, renderTarget);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n }\n};\n\n// src/passes/DepthDownsamplingPass.js\nimport { BasicDepthPacking as BasicDepthPacking10, FloatType, NearestFilter as NearestFilter3, WebGLRenderTarget as WebGLRenderTarget6 } from \"three\";\nvar DepthDownsamplingPass = class extends Pass {\n constructor({\n normalBuffer = null,\n resolutionScale = 0.5,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"DepthDownsamplingPass\");\n const material = new DepthDownsamplingMaterial();\n material.normalBuffer = normalBuffer;\n this.fullscreenMaterial = material;\n this.needsDepthTexture = true;\n this.needsSwap = false;\n this.renderTarget = new WebGLRenderTarget6(1, 1, {\n minFilter: NearestFilter3,\n magFilter: NearestFilter3,\n depthBuffer: false,\n type: FloatType\n });\n this.renderTarget.texture.name = \"DepthDownsamplingPass.Target\";\n this.renderTarget.texture.generateMipmaps = false;\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n get texture() {\n return this.renderTarget.texture;\n }\n getTexture() {\n return this.renderTarget.texture;\n }\n getResolution() {\n return this.resolution;\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking10) {\n this.fullscreenMaterial.depthBuffer = depthTexture;\n this.fullscreenMaterial.depthPacking = depthPacking;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n renderer.render(this.scene, this.camera);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n this.fullscreenMaterial.setSize(width, height);\n }\n initialize(renderer, alpha, frameBufferType) {\n const gl = renderer.getContext();\n const renderable = gl.getExtension(\"EXT_color_buffer_float\") || gl.getExtension(\"EXT_color_buffer_half_float\");\n if (!renderable) {\n throw new Error(\"Rendering to float texture is not supported.\");\n }\n }\n};\n\n// src/passes/DepthPickingPass.js\nimport { FloatType as FloatType3, RGBADepthPacking as RGBADepthPacking4 } from \"three\";\n\n// src/passes/DepthCopyPass.js\nimport {\n BasicDepthPacking as BasicDepthPacking11,\n FloatType as FloatType2,\n NearestFilter as NearestFilter4,\n RGBADepthPacking as RGBADepthPacking3,\n UnsignedByteType as UnsignedByteType5,\n WebGLRenderTarget as WebGLRenderTarget7\n} from \"three\";\nvar DepthCopyPass = class extends Pass {\n constructor({ depthPacking = RGBADepthPacking3 } = {}) {\n super(\"DepthCopyPass\");\n const material = new DepthCopyMaterial();\n material.outputDepthPacking = depthPacking;\n this.fullscreenMaterial = material;\n this.needsDepthTexture = true;\n this.needsSwap = false;\n this.renderTarget = new WebGLRenderTarget7(1, 1, {\n type: depthPacking === RGBADepthPacking3 ? UnsignedByteType5 : FloatType2,\n minFilter: NearestFilter4,\n magFilter: NearestFilter4,\n depthBuffer: false\n });\n this.renderTarget.texture.name = \"DepthCopyPass.Target\";\n }\n get texture() {\n return this.renderTarget.texture;\n }\n getTexture() {\n return this.renderTarget.texture;\n }\n get depthPacking() {\n return this.fullscreenMaterial.outputDepthPacking;\n }\n getDepthPacking() {\n return this.fullscreenMaterial.outputDepthPacking;\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking11) {\n this.fullscreenMaterial.depthBuffer = depthTexture;\n this.fullscreenMaterial.inputDepthPacking = depthPacking;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n renderer.render(this.scene, this.camera);\n }\n setSize(width, height) {\n this.renderTarget.setSize(width, height);\n }\n};\n\n// src/passes/DepthPickingPass.js\nvar unpackFactors = new Float32Array([\n 255 / 256 / 256 ** 3,\n 255 / 256 / 256 ** 2,\n 255 / 256 / 256,\n 255 / 256\n]);\nfunction unpackRGBAToDepth(packedDepth) {\n return (packedDepth[0] * unpackFactors[0] + packedDepth[1] * unpackFactors[1] + packedDepth[2] * unpackFactors[2] + packedDepth[3] * unpackFactors[3]) / 255;\n}\nvar DepthPickingPass = class extends DepthCopyPass {\n constructor({ depthPacking = RGBADepthPacking4, mode = DepthCopyMode.SINGLE } = {}) {\n super({ depthPacking });\n this.name = \"DepthPickingPass\";\n this.fullscreenMaterial.mode = mode;\n this.pixelBuffer = depthPacking === RGBADepthPacking4 ? new Uint8Array(4) : new Float32Array(4);\n this.callback = null;\n }\n readDepth(ndc) {\n this.fullscreenMaterial.texelPosition.set(ndc.x * 0.5 + 0.5, ndc.y * 0.5 + 0.5);\n return new Promise((resolve) => {\n this.callback = resolve;\n });\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const material = this.fullscreenMaterial;\n const mode = material.mode;\n if (mode === DepthCopyMode.FULL) {\n super.render(renderer);\n }\n if (this.callback !== null) {\n const renderTarget = this.renderTarget;\n const pixelBuffer = this.pixelBuffer;\n const packed = renderTarget.texture.type !== FloatType3;\n let x = 0, y = 0;\n if (mode === DepthCopyMode.SINGLE) {\n super.render(renderer);\n } else {\n const texelPosition = material.texelPosition;\n x = Math.round(texelPosition.x * renderTarget.width);\n y = Math.round(texelPosition.y * renderTarget.height);\n }\n renderer.readRenderTargetPixels(renderTarget, x, y, 1, 1, pixelBuffer);\n this.callback(packed ? unpackRGBAToDepth(pixelBuffer) : pixelBuffer[0]);\n this.callback = null;\n }\n }\n setSize(width, height) {\n if (this.fullscreenMaterial.mode === DepthCopyMode.FULL) {\n super.setSize(width, height);\n }\n }\n};\n\n// src/passes/EffectPass.js\nimport { BasicDepthPacking as BasicDepthPacking12, UnsignedByteType as UnsignedByteType6, sRGBEncoding as sRGBEncoding4 } from \"three\";\nfunction prefixSubstrings(prefix, substrings, strings) {\n for (const substring of substrings) {\n const prefixed = \"$1\" + prefix + substring.charAt(0).toUpperCase() + substring.slice(1);\n const regExp = new RegExp(\"([^\\\\.])(\\\\b\" + substring + \"\\\\b)\", \"g\");\n for (const entry of strings.entries()) {\n if (entry[1] !== null) {\n strings.set(entry[0], entry[1].replace(regExp, prefixed));\n }\n }\n }\n}\nfunction integrateEffect(prefix, effect, data) {\n var _a, _b, _c, _d, _e;\n let fragmentShader = effect.getFragmentShader();\n let vertexShader = effect.getVertexShader();\n const mainImageExists = fragmentShader !== void 0 && /mainImage/.test(fragmentShader);\n const mainUvExists = fragmentShader !== void 0 && /mainUv/.test(fragmentShader);\n data.attributes |= effect.getAttributes();\n if (fragmentShader === void 0) {\n throw new Error(`Missing fragment shader (${effect.name})`);\n } else if (mainUvExists && (data.attributes & EffectAttribute.CONVOLUTION) !== 0) {\n throw new Error(`Effects that transform UVs are incompatible with convolution effects (${effect.name})`);\n } else if (!mainImageExists && !mainUvExists) {\n throw new Error(`Could not find mainImage or mainUv function (${effect.name})`);\n } else {\n const functionRegExp = /\\w+\\s+(\\w+)\\([\\w\\s,]*\\)\\s*{/g;\n const shaderParts = data.shaderParts;\n let fragmentHead = (_a = shaderParts.get(EffectShaderSection.FRAGMENT_HEAD)) != null ? _a : \"\";\n let fragmentMainUv = (_b = shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_UV)) != null ? _b : \"\";\n let fragmentMainImage = (_c = shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_IMAGE)) != null ? _c : \"\";\n let vertexHead = (_d = shaderParts.get(EffectShaderSection.VERTEX_HEAD)) != null ? _d : \"\";\n let vertexMainSupport = (_e = shaderParts.get(EffectShaderSection.VERTEX_MAIN_SUPPORT)) != null ? _e : \"\";\n const varyings = /* @__PURE__ */ new Set();\n const names = /* @__PURE__ */ new Set();\n if (mainUvExists) {\n fragmentMainUv += `\t${prefix}MainUv(UV);\n`;\n data.uvTransformation = true;\n }\n if (vertexShader !== null && /mainSupport/.test(vertexShader)) {\n const needsUv = /mainSupport *\\([\\w\\s]*?uv\\s*?\\)/.test(vertexShader);\n vertexMainSupport += `\t${prefix}MainSupport(`;\n vertexMainSupport += needsUv ? \"vUv);\\n\" : \");\\n\";\n for (const m2 of vertexShader.matchAll(/(?:varying\\s+\\w+\\s+([\\S\\s]*?);)/g)) {\n for (const n of m2[1].split(/\\s*,\\s*/)) {\n data.varyings.add(n);\n varyings.add(n);\n names.add(n);\n }\n }\n for (const m2 of vertexShader.matchAll(functionRegExp)) {\n names.add(m2[1]);\n }\n }\n for (const m2 of fragmentShader.matchAll(functionRegExp)) {\n names.add(m2[1]);\n }\n for (const d of effect.defines.keys()) {\n names.add(d.replace(/\\([\\w\\s,]*\\)/g, \"\"));\n }\n for (const u of effect.uniforms.keys()) {\n names.add(u);\n }\n names.delete(\"while\");\n names.delete(\"for\");\n names.delete(\"if\");\n effect.uniforms.forEach((val, key) => data.uniforms.set(prefix + key.charAt(0).toUpperCase() + key.slice(1), val));\n effect.defines.forEach((val, key) => data.defines.set(prefix + key.charAt(0).toUpperCase() + key.slice(1), val));\n const shaders = /* @__PURE__ */ new Map([[\"fragment\", fragmentShader], [\"vertex\", vertexShader]]);\n prefixSubstrings(prefix, names, data.defines);\n prefixSubstrings(prefix, names, shaders);\n fragmentShader = shaders.get(\"fragment\");\n vertexShader = shaders.get(\"vertex\");\n const blendMode = effect.blendMode;\n data.blendModes.set(blendMode.blendFunction, blendMode);\n if (mainImageExists) {\n if (effect.inputColorSpace !== null && effect.inputColorSpace !== data.colorSpace) {\n fragmentMainImage += effect.inputColorSpace === sRGBEncoding4 ? \"color0 = LinearTosRGB(color0);\\n\t\" : \"color0 = sRGBToLinear(color0);\\n\t\";\n }\n if (effect.outputColorSpace !== null) {\n data.colorSpace = effect.outputColorSpace;\n } else if (effect.inputColorSpace !== null) {\n data.colorSpace = effect.inputColorSpace;\n }\n const depthParamRegExp = /MainImage *\\([\\w\\s,]*?depth[\\w\\s,]*?\\)/;\n fragmentMainImage += `${prefix}MainImage(color0, UV, `;\n if ((data.attributes & EffectAttribute.DEPTH) !== 0 && depthParamRegExp.test(fragmentShader)) {\n fragmentMainImage += \"depth, \";\n data.readDepth = true;\n }\n fragmentMainImage += \"color1);\\n\t\";\n const blendOpacity = prefix + \"BlendOpacity\";\n data.uniforms.set(blendOpacity, blendMode.opacity);\n fragmentMainImage += `color0 = blend${blendMode.blendFunction}(color0, color1, ${blendOpacity});\n\n\t`;\n fragmentHead += `uniform float ${blendOpacity};\n\n`;\n }\n fragmentHead += fragmentShader + \"\\n\";\n if (vertexShader !== null) {\n vertexHead += vertexShader + \"\\n\";\n }\n shaderParts.set(EffectShaderSection.FRAGMENT_HEAD, fragmentHead);\n shaderParts.set(EffectShaderSection.FRAGMENT_MAIN_UV, fragmentMainUv);\n shaderParts.set(EffectShaderSection.FRAGMENT_MAIN_IMAGE, fragmentMainImage);\n shaderParts.set(EffectShaderSection.VERTEX_HEAD, vertexHead);\n shaderParts.set(EffectShaderSection.VERTEX_MAIN_SUPPORT, vertexMainSupport);\n if (effect.extensions !== null) {\n for (const extension of effect.extensions) {\n data.extensions.add(extension);\n }\n }\n }\n}\nvar EffectPass = class extends Pass {\n constructor(camera, ...effects) {\n super(\"EffectPass\");\n this.fullscreenMaterial = new EffectMaterial(null, null, null, camera);\n this.listener = (event) => this.handleEvent(event);\n this.effects = [];\n this.setEffects(effects);\n this.skipRendering = false;\n this.minTime = 1;\n this.maxTime = Number.POSITIVE_INFINITY;\n this.timeScale = 1;\n }\n set mainScene(value) {\n for (const effect of this.effects) {\n effect.mainScene = value;\n }\n }\n set mainCamera(value) {\n this.fullscreenMaterial.copyCameraSettings(value);\n for (const effect of this.effects) {\n effect.mainCamera = value;\n }\n }\n get encodeOutput() {\n return this.fullscreenMaterial.encodeOutput;\n }\n set encodeOutput(value) {\n this.fullscreenMaterial.encodeOutput = value;\n }\n get dithering() {\n return this.fullscreenMaterial.dithering;\n }\n set dithering(value) {\n const material = this.fullscreenMaterial;\n material.dithering = value;\n material.needsUpdate = true;\n }\n setEffects(effects) {\n for (const effect of this.effects) {\n effect.removeEventListener(\"change\", this.listener);\n }\n this.effects = effects.sort((a, b) => b.attributes - a.attributes);\n for (const effect of this.effects) {\n effect.addEventListener(\"change\", this.listener);\n }\n }\n updateMaterial() {\n const data = new EffectShaderData();\n let id = 0;\n for (const effect of this.effects) {\n if (effect.blendMode.blendFunction === BlendFunction.DST) {\n data.attributes |= effect.getAttributes() & EffectAttribute.DEPTH;\n } else if ((data.attributes & effect.getAttributes() & EffectAttribute.CONVOLUTION) !== 0) {\n throw new Error(`Convolution effects cannot be merged (${effect.name})`);\n } else {\n integrateEffect(\"e\" + id++, effect, data);\n }\n }\n let fragmentHead = data.shaderParts.get(EffectShaderSection.FRAGMENT_HEAD);\n let fragmentMainImage = data.shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_IMAGE);\n let fragmentMainUv = data.shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_UV);\n const blendRegExp = /\\bblend\\b/g;\n for (const blendMode of data.blendModes.values()) {\n fragmentHead += blendMode.getShaderCode().replace(blendRegExp, `blend${blendMode.blendFunction}`) + \"\\n\";\n }\n if ((data.attributes & EffectAttribute.DEPTH) !== 0) {\n if (data.readDepth) {\n fragmentMainImage = \"float depth = readDepth(UV);\\n\\n\t\" + fragmentMainImage;\n }\n this.needsDepthTexture = this.getDepthTexture() === null;\n } else {\n this.needsDepthTexture = false;\n }\n if (data.colorSpace === sRGBEncoding4) {\n fragmentMainImage += \"color0 = sRGBToLinear(color0);\\n\t\";\n }\n if (data.uvTransformation) {\n fragmentMainUv = \"vec2 transformedUv = vUv;\\n\" + fragmentMainUv;\n data.defines.set(\"UV\", \"transformedUv\");\n } else {\n data.defines.set(\"UV\", \"vUv\");\n }\n data.shaderParts.set(EffectShaderSection.FRAGMENT_HEAD, fragmentHead);\n data.shaderParts.set(EffectShaderSection.FRAGMENT_MAIN_IMAGE, fragmentMainImage);\n data.shaderParts.set(EffectShaderSection.FRAGMENT_MAIN_UV, fragmentMainUv);\n data.shaderParts.forEach((value, key, map) => map.set(key, value == null ? void 0 : value.trim().replace(/^#/, \"\\n#\")));\n this.skipRendering = id === 0;\n this.needsSwap = !this.skipRendering;\n this.fullscreenMaterial.setShaderData(data);\n }\n recompile() {\n this.updateMaterial();\n }\n getDepthTexture() {\n return this.fullscreenMaterial.depthBuffer;\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking12) {\n this.fullscreenMaterial.depthBuffer = depthTexture;\n this.fullscreenMaterial.depthPacking = depthPacking;\n for (const effect of this.effects) {\n effect.setDepthTexture(depthTexture, depthPacking);\n }\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n for (const effect of this.effects) {\n effect.update(renderer, inputBuffer, deltaTime);\n }\n if (!this.skipRendering || this.renderToScreen) {\n const material = this.fullscreenMaterial;\n material.inputBuffer = inputBuffer.texture;\n material.time += deltaTime * this.timeScale;\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(this.scene, this.camera);\n }\n }\n setSize(width, height) {\n this.fullscreenMaterial.setSize(width, height);\n for (const effect of this.effects) {\n effect.setSize(width, height);\n }\n }\n initialize(renderer, alpha, frameBufferType) {\n this.renderer = renderer;\n for (const effect of this.effects) {\n effect.initialize(renderer, alpha, frameBufferType);\n }\n this.updateMaterial();\n if (frameBufferType !== void 0 && frameBufferType !== UnsignedByteType6) {\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n }\n }\n dispose() {\n super.dispose();\n for (const effect of this.effects) {\n effect.removeEventListener(\"change\", this.listener);\n effect.dispose();\n }\n }\n handleEvent(event) {\n switch (event.type) {\n case \"change\":\n this.recompile();\n break;\n }\n }\n};\n\n// src/passes/GaussianBlurPass.js\nimport { sRGBEncoding as sRGBEncoding5, UnsignedByteType as UnsignedByteType7, WebGLRenderTarget as WebGLRenderTarget8 } from \"three\";\nvar GaussianBlurPass = class extends Pass {\n constructor({\n kernelSize = 35,\n iterations = 1,\n resolutionScale = 1,\n resolutionX = Resolution.AUTO_SIZE,\n resolutionY = Resolution.AUTO_SIZE\n } = {}) {\n super(\"GaussianBlurPass\");\n this.renderTargetA = new WebGLRenderTarget8(1, 1, { depthBuffer: false });\n this.renderTargetA.texture.name = \"Blur.Target.A\";\n this.renderTargetB = this.renderTargetA.clone();\n this.renderTargetB.texture.name = \"Blur.Target.B\";\n this.blurMaterial = new GaussianBlurMaterial({ kernelSize });\n this.copyMaterial = new CopyMaterial();\n this.copyMaterial.inputBuffer = this.renderTargetB.texture;\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.iterations = iterations;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const scene = this.scene;\n const camera = this.camera;\n const renderTargetA = this.renderTargetA;\n const renderTargetB = this.renderTargetB;\n const blurMaterial = this.blurMaterial;\n this.fullscreenMaterial = blurMaterial;\n let previousBuffer = inputBuffer;\n for (let i = 0, l = Math.max(this.iterations, 1); i < l; ++i) {\n blurMaterial.direction.set(1, 0);\n blurMaterial.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(renderTargetA);\n renderer.render(scene, camera);\n blurMaterial.direction.set(0, 1);\n blurMaterial.inputBuffer = renderTargetA.texture;\n renderer.setRenderTarget(renderTargetB);\n renderer.render(scene, camera);\n if (i === 0 && l > 1) {\n previousBuffer = renderTargetB;\n }\n }\n this.fullscreenMaterial = this.copyMaterial;\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(scene, camera);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.renderTargetA.setSize(w, h);\n this.renderTargetB.setSize(w, h);\n this.blurMaterial.setSize(width, height);\n }\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0) {\n this.renderTargetA.texture.type = frameBufferType;\n this.renderTargetB.texture.type = frameBufferType;\n if (frameBufferType !== UnsignedByteType7) {\n this.blurMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n this.copyMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer.outputEncoding === sRGBEncoding5) {\n this.renderTargetA.texture.encoding = sRGBEncoding5;\n this.renderTargetB.texture.encoding = sRGBEncoding5;\n }\n }\n }\n};\n\n// src/passes/KawaseBlurPass.js\nimport { sRGBEncoding as sRGBEncoding6, UnsignedByteType as UnsignedByteType8, WebGLRenderTarget as WebGLRenderTarget9 } from \"three\";\nvar KawaseBlurPass = class extends Pass {\n constructor({\n kernelSize = KernelSize.MEDIUM,\n resolutionScale = 0.5,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"KawaseBlurPass\");\n this.renderTargetA = new WebGLRenderTarget9(1, 1, { depthBuffer: false });\n this.renderTargetA.texture.name = \"Blur.Target.A\";\n this.renderTargetB = this.renderTargetA.clone();\n this.renderTargetB.texture.name = \"Blur.Target.B\";\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this._blurMaterial = new KawaseBlurMaterial();\n this._blurMaterial.kernelSize = kernelSize;\n this.copyMaterial = new CopyMaterial();\n }\n getResolution() {\n return this.resolution;\n }\n get blurMaterial() {\n return this._blurMaterial;\n }\n set blurMaterial(value) {\n this._blurMaterial = value;\n }\n get dithering() {\n return this.copyMaterial.dithering;\n }\n set dithering(value) {\n this.copyMaterial.dithering = value;\n }\n get kernelSize() {\n return this.blurMaterial.kernelSize;\n }\n set kernelSize(value) {\n this.blurMaterial.kernelSize = value;\n }\n get width() {\n return this.resolution.width;\n }\n set width(value) {\n this.resolution.preferredWidth = value;\n }\n get height() {\n return this.resolution.height;\n }\n set height(value) {\n this.resolution.preferredHeight = value;\n }\n get scale() {\n return this.blurMaterial.scale;\n }\n set scale(value) {\n this.blurMaterial.scale = value;\n }\n getScale() {\n return this.blurMaterial.scale;\n }\n setScale(value) {\n this.blurMaterial.scale = value;\n }\n getKernelSize() {\n return this.kernelSize;\n }\n setKernelSize(value) {\n this.kernelSize = value;\n }\n getResolutionScale() {\n return this.resolution.scale;\n }\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const scene = this.scene;\n const camera = this.camera;\n const renderTargetA = this.renderTargetA;\n const renderTargetB = this.renderTargetB;\n const material = this.blurMaterial;\n const kernelSequence = material.kernelSequence;\n let previousBuffer = inputBuffer;\n this.fullscreenMaterial = material;\n for (let i = 0, l = kernelSequence.length; i < l; ++i) {\n const buffer = (i & 1) === 0 ? renderTargetA : renderTargetB;\n material.kernel = kernelSequence[i];\n material.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(buffer);\n renderer.render(scene, camera);\n previousBuffer = buffer;\n }\n this.fullscreenMaterial = this.copyMaterial;\n this.copyMaterial.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(scene, camera);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.renderTargetA.setSize(w, h);\n this.renderTargetB.setSize(w, h);\n this.blurMaterial.setSize(width, height);\n }\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0) {\n this.renderTargetA.texture.type = frameBufferType;\n this.renderTargetB.texture.type = frameBufferType;\n if (frameBufferType !== UnsignedByteType8) {\n this.blurMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n this.copyMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer.outputEncoding === sRGBEncoding6) {\n this.renderTargetA.texture.encoding = sRGBEncoding6;\n this.renderTargetB.texture.encoding = sRGBEncoding6;\n }\n }\n }\n static get AUTO_SIZE() {\n return Resolution.AUTO_SIZE;\n }\n};\n\n// src/passes/LambdaPass.js\nvar LambdaPass = class extends Pass {\n constructor(f) {\n super(\"LambdaPass\", null, null);\n this.needsSwap = false;\n this.f = f;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n this.f();\n }\n};\n\n// src/passes/LuminancePass.js\nimport { UnsignedByteType as UnsignedByteType9, WebGLRenderTarget as WebGLRenderTarget10 } from \"three\";\nvar LuminancePass = class extends Pass {\n constructor({\n renderTarget,\n luminanceRange,\n colorOutput,\n resolutionScale = 1,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"LuminancePass\");\n this.fullscreenMaterial = new LuminanceMaterial(colorOutput, luminanceRange);\n this.needsSwap = false;\n this.renderTarget = renderTarget;\n if (this.renderTarget === void 0) {\n this.renderTarget = new WebGLRenderTarget10(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"LuminancePass.Target\";\n }\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n get texture() {\n return this.renderTarget.texture;\n }\n getTexture() {\n return this.renderTarget.texture;\n }\n getResolution() {\n return this.resolution;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const material = this.fullscreenMaterial;\n material.inputBuffer = inputBuffer.texture;\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n renderer.render(this.scene, this.camera);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n }\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0 && frameBufferType !== UnsignedByteType9) {\n this.renderTarget.texture.type = frameBufferType;\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n }\n }\n};\n\n// src/passes/MaskPass.js\nvar MaskPass = class extends Pass {\n constructor(scene, camera) {\n super(\"MaskPass\", scene, camera);\n this.needsSwap = false;\n this.clearPass = new ClearPass(false, false, true);\n this.inverse = false;\n }\n set mainScene(value) {\n this.scene = value;\n }\n set mainCamera(value) {\n this.camera = value;\n }\n get inverted() {\n return this.inverse;\n }\n set inverted(value) {\n this.inverse = value;\n }\n get clear() {\n return this.clearPass.enabled;\n }\n set clear(value) {\n this.clearPass.enabled = value;\n }\n getClearPass() {\n return this.clearPass;\n }\n isInverted() {\n return this.inverted;\n }\n setInverted(value) {\n this.inverted = value;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const context = renderer.getContext();\n const buffers = renderer.state.buffers;\n const scene = this.scene;\n const camera = this.camera;\n const clearPass = this.clearPass;\n const writeValue = this.inverted ? 0 : 1;\n const clearValue = 1 - writeValue;\n buffers.color.setMask(false);\n buffers.depth.setMask(false);\n buffers.color.setLocked(true);\n buffers.depth.setLocked(true);\n buffers.stencil.setTest(true);\n buffers.stencil.setOp(context.REPLACE, context.REPLACE, context.REPLACE);\n buffers.stencil.setFunc(context.ALWAYS, writeValue, 4294967295);\n buffers.stencil.setClear(clearValue);\n buffers.stencil.setLocked(true);\n if (this.clearPass.enabled) {\n if (this.renderToScreen) {\n clearPass.render(renderer, null);\n } else {\n clearPass.render(renderer, inputBuffer);\n clearPass.render(renderer, outputBuffer);\n }\n }\n if (this.renderToScreen) {\n renderer.setRenderTarget(null);\n renderer.render(scene, camera);\n } else {\n renderer.setRenderTarget(inputBuffer);\n renderer.render(scene, camera);\n renderer.setRenderTarget(outputBuffer);\n renderer.render(scene, camera);\n }\n buffers.color.setLocked(false);\n buffers.depth.setLocked(false);\n buffers.stencil.setLocked(false);\n buffers.stencil.setFunc(context.EQUAL, 1, 4294967295);\n buffers.stencil.setOp(context.KEEP, context.KEEP, context.KEEP);\n buffers.stencil.setLocked(true);\n }\n};\n\n// src/passes/MipmapBlurPass.js\nimport { sRGBEncoding as sRGBEncoding7, UnsignedByteType as UnsignedByteType10, Vector2 as Vector216, WebGLRenderTarget as WebGLRenderTarget11 } from \"three\";\nvar MipmapBlurPass = class extends Pass {\n constructor() {\n super(\"MipmapBlurPass\");\n this.needsSwap = false;\n this.renderTarget = new WebGLRenderTarget11(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"Upsampling.Mipmap0\";\n this.downsamplingMipmaps = [];\n this.upsamplingMipmaps = [];\n this.downsamplingMaterial = new DownsamplingMaterial();\n this.upsamplingMaterial = new UpsamplingMaterial();\n this.resolution = new Vector216();\n }\n get texture() {\n return this.renderTarget.texture;\n }\n get levels() {\n return this.downsamplingMipmaps.length;\n }\n set levels(value) {\n if (this.levels !== value) {\n const renderTarget = this.renderTarget;\n this.dispose();\n this.downsamplingMipmaps = [];\n this.upsamplingMipmaps = [];\n for (let i = 0; i < value; ++i) {\n const mipmap = renderTarget.clone();\n mipmap.texture.name = \"Downsampling.Mipmap\" + i;\n this.downsamplingMipmaps.push(mipmap);\n }\n this.upsamplingMipmaps.push(renderTarget);\n for (let i = 1, l = value - 1; i < l; ++i) {\n const mipmap = renderTarget.clone();\n mipmap.texture.name = \"Upsampling.Mipmap\" + i;\n this.upsamplingMipmaps.push(mipmap);\n }\n this.setSize(this.resolution.x, this.resolution.y);\n }\n }\n get radius() {\n return this.upsamplingMaterial.radius;\n }\n set radius(value) {\n this.upsamplingMaterial.radius = value;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const { scene, camera } = this;\n const { downsamplingMaterial, upsamplingMaterial } = this;\n const { downsamplingMipmaps, upsamplingMipmaps } = this;\n let previousBuffer = inputBuffer;\n this.fullscreenMaterial = downsamplingMaterial;\n for (let i = 0, l = downsamplingMipmaps.length; i < l; ++i) {\n const mipmap = downsamplingMipmaps[i];\n downsamplingMaterial.setSize(previousBuffer.width, previousBuffer.height);\n downsamplingMaterial.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(mipmap);\n renderer.render(scene, camera);\n previousBuffer = mipmap;\n }\n this.fullscreenMaterial = upsamplingMaterial;\n for (let i = upsamplingMipmaps.length - 1; i >= 0; --i) {\n const mipmap = upsamplingMipmaps[i];\n upsamplingMaterial.setSize(previousBuffer.width, previousBuffer.height);\n upsamplingMaterial.inputBuffer = previousBuffer.texture;\n upsamplingMaterial.supportBuffer = downsamplingMipmaps[i].texture;\n renderer.setRenderTarget(mipmap);\n renderer.render(scene, camera);\n previousBuffer = mipmap;\n }\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.set(width, height);\n let w = resolution.width, h = resolution.height;\n for (let i = 0, l = this.downsamplingMipmaps.length; i < l; ++i) {\n w = Math.round(w * 0.5);\n h = Math.round(h * 0.5);\n this.downsamplingMipmaps[i].setSize(w, h);\n if (i < this.upsamplingMipmaps.length) {\n this.upsamplingMipmaps[i].setSize(w, h);\n }\n }\n }\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0) {\n const mipmaps = this.downsamplingMipmaps.concat(this.upsamplingMipmaps);\n for (const mipmap of mipmaps) {\n mipmap.texture.type = frameBufferType;\n }\n if (frameBufferType !== UnsignedByteType10) {\n this.downsamplingMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n this.upsamplingMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer.outputEncoding === sRGBEncoding7) {\n for (const mipmap of mipmaps) {\n mipmap.texture.encoding = sRGBEncoding7;\n }\n }\n }\n }\n dispose() {\n super.dispose();\n for (const mipmap of this.downsamplingMipmaps.concat(this.upsamplingMipmaps)) {\n mipmap.dispose();\n }\n }\n};\n\n// src/passes/NormalPass.js\nimport { Color as Color3, MeshNormalMaterial, NearestFilter as NearestFilter5, WebGLRenderTarget as WebGLRenderTarget12 } from \"three\";\nvar NormalPass = class extends Pass {\n constructor(scene, camera, {\n renderTarget,\n resolutionScale = 1,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"NormalPass\");\n this.needsSwap = false;\n this.renderPass = new RenderPass(scene, camera, new MeshNormalMaterial());\n const renderPass = this.renderPass;\n renderPass.ignoreBackground = true;\n renderPass.skipShadowMapUpdate = true;\n const clearPass = renderPass.getClearPass();\n clearPass.overrideClearColor = new Color3(7829503);\n clearPass.overrideClearAlpha = 1;\n this.renderTarget = renderTarget;\n if (this.renderTarget === void 0) {\n this.renderTarget = new WebGLRenderTarget12(1, 1, {\n minFilter: NearestFilter5,\n magFilter: NearestFilter5\n });\n this.renderTarget.texture.name = \"NormalPass.Target\";\n }\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n set mainScene(value) {\n this.renderPass.mainScene = value;\n }\n set mainCamera(value) {\n this.renderPass.mainCamera = value;\n }\n get texture() {\n return this.renderTarget.texture;\n }\n getTexture() {\n return this.renderTarget.texture;\n }\n getResolution() {\n return this.resolution;\n }\n getResolutionScale() {\n return this.resolution.scale;\n }\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const renderTarget = this.renderToScreen ? null : this.renderTarget;\n this.renderPass.render(renderer, renderTarget, renderTarget);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n }\n};\n\n// src/passes/ShaderPass.js\nimport { UnsignedByteType as UnsignedByteType11 } from \"three\";\nvar ShaderPass = class extends Pass {\n constructor(material, input = \"inputBuffer\") {\n super(\"ShaderPass\");\n this.fullscreenMaterial = material;\n this.input = input;\n }\n setInput(input) {\n this.input = input;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const uniforms = this.fullscreenMaterial.uniforms;\n if (inputBuffer !== null && uniforms !== void 0 && uniforms[this.input] !== void 0) {\n uniforms[this.input].value = inputBuffer.texture;\n }\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(this.scene, this.camera);\n }\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0 && frameBufferType !== UnsignedByteType11) {\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n }\n }\n};\n\n// src/passes/TiltShiftBlurPass.js\nvar TiltShiftBlurPass = class extends KawaseBlurPass {\n constructor({\n offset = 0,\n rotation = 0,\n focusArea = 0.4,\n feather = 0.3,\n kernelSize = KernelSize.MEDIUM,\n resolutionScale = 0.5,\n resolutionX = Resolution.AUTO_SIZE,\n resolutionY = Resolution.AUTO_SIZE\n } = {}) {\n super({ kernelSize, resolutionScale, resolutionX, resolutionY });\n this.blurMaterial = new TiltShiftBlurMaterial({ kernelSize, offset, rotation, focusArea, feather });\n }\n};\n\n// src/core/Timer.js\nvar MILLISECONDS_TO_SECONDS = 1 / 1e3;\nvar SECONDS_TO_MILLISECONDS = 1e3;\nvar Timer = class {\n constructor() {\n this.previousTime = 0;\n this.currentTime = 0;\n this.delta = 0;\n this.fixedDelta = 1e3 / 60;\n this.elapsed = 0;\n this.timescale = 1;\n this.fixedDeltaEnabled = false;\n this.autoReset = false;\n }\n setFixedDeltaEnabled(enabled) {\n this.fixedDeltaEnabled = enabled;\n return this;\n }\n isAutoResetEnabled(enabled) {\n return this.autoReset;\n }\n setAutoResetEnabled(enabled) {\n if (typeof document !== \"undefined\" && document.hidden !== void 0) {\n if (enabled) {\n document.addEventListener(\"visibilitychange\", this);\n } else {\n document.removeEventListener(\"visibilitychange\", this);\n }\n this.autoReset = enabled;\n }\n return this;\n }\n getDelta() {\n return this.delta * MILLISECONDS_TO_SECONDS;\n }\n getFixedDelta() {\n return this.fixedDelta * MILLISECONDS_TO_SECONDS;\n }\n setFixedDelta(fixedDelta) {\n this.fixedDelta = fixedDelta * SECONDS_TO_MILLISECONDS;\n return this;\n }\n getElapsed() {\n return this.elapsed * MILLISECONDS_TO_SECONDS;\n }\n getTimescale() {\n return this.timescale;\n }\n setTimescale(timescale) {\n this.timescale = timescale;\n return this;\n }\n update(timestamp) {\n if (this.fixedDeltaEnabled) {\n this.delta = this.fixedDelta;\n } else {\n this.previousTime = this.currentTime;\n this.currentTime = timestamp !== void 0 ? timestamp : performance.now();\n this.delta = this.currentTime - this.previousTime;\n }\n this.delta *= this.timescale;\n this.elapsed += this.delta;\n return this;\n }\n reset() {\n this.delta = 0;\n this.elapsed = 0;\n this.currentTime = performance.now();\n return this;\n }\n handleEvent(event) {\n if (!document.hidden) {\n this.currentTime = performance.now();\n }\n }\n dispose() {\n this.setAutoResetEnabled(false);\n }\n};\n\n// src/core/EffectComposer.js\nvar EffectComposer = class {\n constructor(renderer = null, {\n depthBuffer = true,\n stencilBuffer = false,\n multisampling = 0,\n frameBufferType\n } = {}) {\n this.renderer = null;\n this.inputBuffer = this.createBuffer(depthBuffer, stencilBuffer, frameBufferType, multisampling);\n this.outputBuffer = this.inputBuffer.clone();\n this.copyPass = new CopyPass();\n this.depthTexture = null;\n this.passes = [];\n this.timer = new Timer();\n this.autoRenderToScreen = true;\n this.setRenderer(renderer);\n }\n get multisampling() {\n return this.inputBuffer.samples || 0;\n }\n set multisampling(value) {\n const buffer = this.inputBuffer;\n const multisampling = this.multisampling;\n if (multisampling > 0 && value > 0) {\n this.inputBuffer.samples = value;\n this.outputBuffer.samples = value;\n this.inputBuffer.dispose();\n this.outputBuffer.dispose();\n } else if (multisampling !== value) {\n this.inputBuffer.dispose();\n this.outputBuffer.dispose();\n this.inputBuffer = this.createBuffer(\n buffer.depthBuffer,\n buffer.stencilBuffer,\n buffer.texture.type,\n value\n );\n this.inputBuffer.depthTexture = this.depthTexture;\n this.outputBuffer = this.inputBuffer.clone();\n }\n }\n getTimer() {\n return this.timer;\n }\n getRenderer() {\n return this.renderer;\n }\n setRenderer(renderer) {\n this.renderer = renderer;\n if (renderer !== null) {\n const size = renderer.getSize(new Vector217());\n const alpha = renderer.getContext().getContextAttributes().alpha;\n const frameBufferType = this.inputBuffer.texture.type;\n if (frameBufferType === UnsignedByteType12 && renderer.outputEncoding === sRGBEncoding8) {\n this.inputBuffer.texture.encoding = sRGBEncoding8;\n this.outputBuffer.texture.encoding = sRGBEncoding8;\n this.inputBuffer.dispose();\n this.outputBuffer.dispose();\n }\n renderer.autoClear = false;\n this.setSize(size.width, size.height);\n for (const pass of this.passes) {\n pass.initialize(renderer, alpha, frameBufferType);\n }\n }\n }\n replaceRenderer(renderer, updateDOM = true) {\n const oldRenderer = this.renderer;\n const parent = oldRenderer.domElement.parentNode;\n this.setRenderer(renderer);\n if (updateDOM && parent !== null) {\n parent.removeChild(oldRenderer.domElement);\n parent.appendChild(renderer.domElement);\n }\n return oldRenderer;\n }\n createDepthTexture() {\n const depthTexture = this.depthTexture = new DepthTexture();\n this.inputBuffer.depthTexture = depthTexture;\n this.inputBuffer.dispose();\n if (this.inputBuffer.stencilBuffer) {\n depthTexture.format = DepthStencilFormat;\n depthTexture.type = UnsignedInt248Type;\n } else {\n depthTexture.type = UnsignedIntType;\n }\n return depthTexture;\n }\n deleteDepthTexture() {\n if (this.depthTexture !== null) {\n this.depthTexture.dispose();\n this.depthTexture = null;\n this.inputBuffer.depthTexture = null;\n this.inputBuffer.dispose();\n for (const pass of this.passes) {\n pass.setDepthTexture(null);\n }\n }\n }\n createBuffer(depthBuffer, stencilBuffer, type, multisampling) {\n const renderer = this.renderer;\n const size = renderer === null ? new Vector217() : renderer.getDrawingBufferSize(new Vector217());\n const options = {\n minFilter: LinearFilter2,\n magFilter: LinearFilter2,\n stencilBuffer,\n depthBuffer,\n type\n };\n let renderTarget;\n if (multisampling > 0) {\n renderTarget = Number(REVISION6.replace(/\\D+/g, \"\")) < 138 ? new WebGLMultisampleRenderTarget(size.width, size.height, options) : new WebGLRenderTarget13(size.width, size.height, options);\n renderTarget.ignoreDepthForMultisampleCopy = false;\n renderTarget.samples = multisampling;\n } else {\n renderTarget = new WebGLRenderTarget13(size.width, size.height, options);\n }\n if (type === UnsignedByteType12 && renderer !== null && renderer.outputEncoding === sRGBEncoding8) {\n renderTarget.texture.encoding = sRGBEncoding8;\n }\n renderTarget.texture.name = \"EffectComposer.Buffer\";\n renderTarget.texture.generateMipmaps = false;\n return renderTarget;\n }\n setMainScene(scene) {\n for (const pass of this.passes) {\n pass.mainScene = scene;\n }\n }\n setMainCamera(camera) {\n for (const pass of this.passes) {\n pass.mainCamera = camera;\n }\n }\n addPass(pass, index) {\n const passes = this.passes;\n const renderer = this.renderer;\n const drawingBufferSize = renderer.getDrawingBufferSize(new Vector217());\n const alpha = renderer.getContext().getContextAttributes().alpha;\n const frameBufferType = this.inputBuffer.texture.type;\n pass.setRenderer(renderer);\n pass.setSize(drawingBufferSize.width, drawingBufferSize.height);\n pass.initialize(renderer, alpha, frameBufferType);\n if (this.autoRenderToScreen) {\n if (passes.length > 0) {\n passes[passes.length - 1].renderToScreen = false;\n }\n if (pass.renderToScreen) {\n this.autoRenderToScreen = false;\n }\n }\n if (index !== void 0) {\n passes.splice(index, 0, pass);\n } else {\n passes.push(pass);\n }\n if (this.autoRenderToScreen) {\n passes[passes.length - 1].renderToScreen = true;\n }\n if (pass.needsDepthTexture || this.depthTexture !== null) {\n if (this.depthTexture === null) {\n const depthTexture = this.createDepthTexture();\n for (pass of passes) {\n pass.setDepthTexture(depthTexture);\n }\n } else {\n pass.setDepthTexture(this.depthTexture);\n }\n }\n }\n removePass(pass) {\n const passes = this.passes;\n const index = passes.indexOf(pass);\n const exists = index !== -1;\n const removed = exists && passes.splice(index, 1).length > 0;\n if (removed) {\n if (this.depthTexture !== null) {\n const reducer = (a, b) => a || b.needsDepthTexture;\n const depthTextureRequired = passes.reduce(reducer, false);\n if (!depthTextureRequired) {\n if (pass.getDepthTexture() === this.depthTexture) {\n pass.setDepthTexture(null);\n }\n this.deleteDepthTexture();\n }\n }\n if (this.autoRenderToScreen) {\n if (index === passes.length) {\n pass.renderToScreen = false;\n if (passes.length > 0) {\n passes[passes.length - 1].renderToScreen = true;\n }\n }\n }\n }\n }\n removeAllPasses() {\n const passes = this.passes;\n this.deleteDepthTexture();\n if (passes.length > 0) {\n if (this.autoRenderToScreen) {\n passes[passes.length - 1].renderToScreen = false;\n }\n this.passes = [];\n }\n }\n render(deltaTime) {\n const renderer = this.renderer;\n const copyPass = this.copyPass;\n let inputBuffer = this.inputBuffer;\n let outputBuffer = this.outputBuffer;\n let stencilTest = false;\n let context, stencil, buffer;\n if (deltaTime === void 0) {\n deltaTime = this.timer.update().getDelta();\n }\n for (const pass of this.passes) {\n if (pass.enabled) {\n pass.render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest);\n if (pass.needsSwap) {\n if (stencilTest) {\n copyPass.renderToScreen = pass.renderToScreen;\n context = renderer.getContext();\n stencil = renderer.state.buffers.stencil;\n stencil.setFunc(context.NOTEQUAL, 1, 4294967295);\n copyPass.render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest);\n stencil.setFunc(context.EQUAL, 1, 4294967295);\n }\n buffer = inputBuffer;\n inputBuffer = outputBuffer;\n outputBuffer = buffer;\n }\n if (pass instanceof MaskPass) {\n stencilTest = true;\n } else if (pass instanceof ClearMaskPass) {\n stencilTest = false;\n }\n }\n }\n }\n setSize(width, height, updateStyle) {\n const renderer = this.renderer;\n const currentSize = renderer.getSize(new Vector217());\n if (width === void 0 || height === void 0) {\n width = currentSize.width;\n height = currentSize.height;\n }\n if (currentSize.width !== width || currentSize.height !== height) {\n renderer.setSize(width, height, updateStyle);\n }\n const drawingBufferSize = renderer.getDrawingBufferSize(new Vector217());\n this.inputBuffer.setSize(drawingBufferSize.width, drawingBufferSize.height);\n this.outputBuffer.setSize(drawingBufferSize.width, drawingBufferSize.height);\n for (const pass of this.passes) {\n pass.setSize(drawingBufferSize.width, drawingBufferSize.height);\n }\n }\n reset() {\n const autoReset = this.timer.isAutoResetEnabled();\n this.dispose();\n this.autoRenderToScreen = true;\n this.timer.setAutoResetEnabled(autoReset);\n }\n dispose() {\n for (const pass of this.passes) {\n pass.dispose();\n }\n this.passes = [];\n if (this.inputBuffer !== null) {\n this.inputBuffer.dispose();\n }\n if (this.outputBuffer !== null) {\n this.outputBuffer.dispose();\n }\n this.deleteDepthTexture();\n this.copyPass.dispose();\n this.timer.dispose();\n }\n};\n\n// src/core/EffectShaderData.js\nimport { LinearEncoding as LinearEncoding2 } from \"three\";\nvar EffectShaderData = class {\n constructor() {\n this.shaderParts = /* @__PURE__ */ new Map([\n [EffectShaderSection.FRAGMENT_HEAD, null],\n [EffectShaderSection.FRAGMENT_MAIN_UV, null],\n [EffectShaderSection.FRAGMENT_MAIN_IMAGE, null],\n [EffectShaderSection.VERTEX_HEAD, null],\n [EffectShaderSection.VERTEX_MAIN_SUPPORT, null]\n ]);\n this.defines = /* @__PURE__ */ new Map();\n this.uniforms = /* @__PURE__ */ new Map();\n this.blendModes = /* @__PURE__ */ new Map();\n this.extensions = /* @__PURE__ */ new Set();\n this.attributes = EffectAttribute.NONE;\n this.varyings = /* @__PURE__ */ new Set();\n this.uvTransformation = false;\n this.readDepth = false;\n this.colorSpace = LinearEncoding2;\n }\n};\n\n// src/core/GaussKernel.js\nfunction getCoefficients(n) {\n let result;\n if (n === 0) {\n result = new Float64Array(0);\n } else if (n === 1) {\n result = new Float64Array([1]);\n } else if (n > 1) {\n let row0 = new Float64Array(n);\n let row1 = new Float64Array(n);\n for (let y = 1; y <= n; ++y) {\n for (let x = 0; x < y; ++x) {\n row1[x] = x === 0 || x === y - 1 ? 1 : row0[x - 1] + row0[x];\n }\n result = row1;\n row1 = row0;\n row0 = result;\n }\n }\n return result;\n}\nvar GaussKernel = class {\n constructor(kernelSize, edgeBias = 2) {\n this.weights = null;\n this.offsets = null;\n this.linearWeights = null;\n this.linearOffsets = null;\n this.generate(kernelSize, edgeBias);\n }\n get steps() {\n return this.offsets === null ? 0 : this.offsets.length;\n }\n get linearSteps() {\n return this.linearOffsets === null ? 0 : this.linearOffsets.length;\n }\n generate(kernelSize, edgeBias) {\n if (kernelSize < 3 || kernelSize > 1020) {\n throw new Error(\"The kernel size must be in the range [3, 1020]\");\n }\n const n = kernelSize + edgeBias * 2;\n const coefficients = edgeBias > 0 ? getCoefficients(n).slice(edgeBias, -edgeBias) : getCoefficients(n);\n const mid = Math.floor((coefficients.length - 1) / 2);\n const sum = coefficients.reduce((a, b) => a + b, 0);\n const weights = coefficients.slice(mid);\n const offsets = [...Array(mid + 1).keys()];\n const linearWeights = new Float64Array(Math.floor(offsets.length / 2));\n const linearOffsets = new Float64Array(linearWeights.length);\n linearWeights[0] = weights[0] / sum;\n for (let i = 1, j = 1, l = offsets.length - 1; i < l; i += 2, ++j) {\n const offset0 = offsets[i], offset1 = offsets[i + 1];\n const weight0 = weights[i], weight1 = weights[i + 1];\n const w = weight0 + weight1;\n const o = (offset0 * weight0 + offset1 * weight1) / w;\n linearWeights[j] = w / sum;\n linearOffsets[j] = o;\n }\n for (let i = 0, l = weights.length, s = 1 / sum; i < l; ++i) {\n weights[i] *= s;\n }\n const linearWeightSum = (linearWeights.reduce((a, b) => a + b, 0) - linearWeights[0] * 0.5) * 2;\n if (linearWeightSum !== 0) {\n for (let i = 0, l = linearWeights.length, s = 1 / linearWeightSum; i < l; ++i) {\n linearWeights[i] *= s;\n }\n }\n this.offsets = offsets;\n this.weights = weights;\n this.linearOffsets = linearOffsets;\n this.linearWeights = linearWeights;\n }\n};\n\n// src/core/Initializable.js\nvar Initializable = class {\n initialize(renderer, alpha, frameBufferType) {\n }\n};\n\n// src/core/Resizable.js\nvar Resizable = class {\n setSize(width, height) {\n }\n};\n\n// src/core/Selection.js\nvar Selection = class extends Set {\n constructor(iterable, layer = 10) {\n super();\n this.l = layer;\n this.exclusive = false;\n if (iterable !== void 0) {\n this.set(iterable);\n }\n }\n get layer() {\n return this.l;\n }\n set layer(value) {\n const currentLayer = this.l;\n for (const object of this) {\n object.layers.disable(currentLayer);\n object.layers.enable(value);\n }\n this.l = value;\n }\n getLayer() {\n return this.layer;\n }\n setLayer(value) {\n this.layer = value;\n }\n isExclusive() {\n return this.exclusive;\n }\n setExclusive(value) {\n this.exclusive = value;\n }\n clear() {\n const layer = this.layer;\n for (const object of this) {\n object.layers.disable(layer);\n }\n return super.clear();\n }\n set(objects) {\n this.clear();\n for (const object of objects) {\n this.add(object);\n }\n return this;\n }\n indexOf(object) {\n return this.has(object) ? 0 : -1;\n }\n add(object) {\n if (this.exclusive) {\n object.layers.set(this.layer);\n } else {\n object.layers.enable(this.layer);\n }\n return super.add(object);\n }\n delete(object) {\n if (this.has(object)) {\n object.layers.disable(this.layer);\n }\n return super.delete(object);\n }\n toggle(object) {\n let result;\n if (this.has(object)) {\n this.delete(object);\n result = false;\n } else {\n this.add(object);\n result = true;\n }\n return result;\n }\n setVisible(visible) {\n for (const object of this) {\n if (visible) {\n object.layers.enable(0);\n } else {\n object.layers.disable(0);\n }\n }\n return this;\n }\n};\n\n// src/effects/blending/BlendMode.js\nimport { EventDispatcher as EventDispatcher2, Uniform as Uniform23 } from \"three\";\n\n// src/effects/blending/glsl/add.frag\nvar add_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x+y,opacity);}\";\n\n// src/effects/blending/glsl/alpha.frag\nvar alpha_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y,min(y.a,opacity));}\";\n\n// src/effects/blending/glsl/average.frag\nvar average_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,(x+y)*0.5,opacity);}\";\n\n// src/effects/blending/glsl/color.frag\nvar color_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(yHSL.rg,xHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}\";\n\n// src/effects/blending/glsl/color-burn.frag\nvar color_burn_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(step(0.0,y)*(1.0-min(vec4(1.0),(1.0-x)/y)),vec4(1.0),step(1.0,x));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/color-dodge.frag\nvar color_dodge_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=step(0.0,x)*mix(min(vec4(1.0),x/max(1.0-y,1e-9)),vec4(1.0),step(1.0,y));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/darken.frag\nvar darken_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,min(x,y),opacity);}\";\n\n// src/effects/blending/glsl/difference.frag\nvar difference_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,abs(x-y),opacity);}\";\n\n// src/effects/blending/glsl/divide.frag\nvar divide_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x/max(y,1e-12),opacity);}\";\n\n// src/effects/blending/glsl/exclusion.frag\nvar exclusion_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,(x+y-2.0*x*y),opacity);}\";\n\n// src/effects/blending/glsl/hard-light.frag\nvar hard_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 a=min(x,1.0),b=min(y,1.0);vec4 z=mix(2.0*a*b,1.0-2.0*(1.0-a)*(1.0-b),step(0.5,y));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/hard-mix.frag\nvar hard_mix_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,step(1.0,x+y),opacity);}\";\n\n// src/effects/blending/glsl/hue.frag\nvar hue_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(yHSL.r,xHSL.gb));return vec4(mix(x.rgb,z,opacity),y.a);}\";\n\n// src/effects/blending/glsl/invert.frag\nvar invert_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,1.0-y,opacity);}\";\n\n// src/effects/blending/glsl/invert-rgb.frag\nvar invert_rgb_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y*(1.0-x),opacity);}\";\n\n// src/effects/blending/glsl/lighten.frag\nvar lighten_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,max(x,y),opacity);}\";\n\n// src/effects/blending/glsl/linear-burn.frag\nvar linear_burn_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,clamp(y+x-1.0,0.0,1.0),opacity);}\";\n\n// src/effects/blending/glsl/linear-dodge.frag\nvar linear_dodge_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,min(x+y,1.0),opacity);}\";\n\n// src/effects/blending/glsl/linear-light.frag\nvar linear_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,clamp(2.0*y+x-1.0,0.0,1.0),opacity);}\";\n\n// src/effects/blending/glsl/luminosity.frag\nvar luminosity_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(xHSL.rg,yHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}\";\n\n// src/effects/blending/glsl/multiply.frag\nvar multiply_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x*y,opacity);}\";\n\n// src/effects/blending/glsl/negation.frag\nvar negation_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,1.0-abs(1.0-x-y),opacity);}\";\n\n// src/effects/blending/glsl/normal.frag\nvar normal_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y,opacity);}\";\n\n// src/effects/blending/glsl/overlay.frag\nvar overlay_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(2.0*y*x,1.0-2.0*(1.0-y)*(1.0-x),step(0.5,x));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/pin-light.frag\nvar pin_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 y2=2.0*y;vec4 z=mix(mix(y2,x,step(0.5*x,y)),max(vec4(0.0),y2-1.0),step(x,(y2-1.0)));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/reflect.frag\nvar reflect_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(min(x*x/max(1.0-y,1e-12),1.0),y,step(1.0,y));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/saturation.frag\nvar saturation_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(xHSL.r,yHSL.g,xHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}\";\n\n// src/effects/blending/glsl/screen.frag\nvar screen_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x+y-min(x*y,1.0),opacity);}\";\n\n// src/effects/blending/glsl/soft-light.frag\nvar soft_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 y2=2.0*y;vec4 w=step(0.5,y);vec4 z=mix(x-(1.0-y2)*x*(1.0-x),mix(x+(y2-1.0)*(sqrt(x)-x),x+(y2-1.0)*x*((16.0*x-12.0)*x+3.0),w*(1.0-step(0.25,x))),w);return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/src.frag\nvar src_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return y;}\";\n\n// src/effects/blending/glsl/subtract.frag\nvar subtract_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,max(x+y-1.0,0.0),opacity);}\";\n\n// src/effects/blending/glsl/vivid-light.frag\nvar vivid_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(max(1.0-min((1.0-x)/(2.0*y),1.0),0.0),min(x/(2.0*(1.0-y)),1.0),step(0.5,y));return mix(x,z,opacity);}\";\n\n// src/effects/blending/BlendMode.js\nvar blendFunctions = /* @__PURE__ */ new Map([\n [BlendFunction.ADD, add_default],\n [BlendFunction.ALPHA, alpha_default],\n [BlendFunction.AVERAGE, average_default],\n [BlendFunction.COLOR, color_default],\n [BlendFunction.COLOR_BURN, color_burn_default],\n [BlendFunction.COLOR_DODGE, color_dodge_default],\n [BlendFunction.DARKEN, darken_default],\n [BlendFunction.DIFFERENCE, difference_default],\n [BlendFunction.DIVIDE, divide_default],\n [BlendFunction.DST, null],\n [BlendFunction.EXCLUSION, exclusion_default],\n [BlendFunction.HARD_LIGHT, hard_light_default],\n [BlendFunction.HARD_MIX, hard_mix_default],\n [BlendFunction.HUE, hue_default],\n [BlendFunction.INVERT, invert_default],\n [BlendFunction.INVERT_RGB, invert_rgb_default],\n [BlendFunction.LIGHTEN, lighten_default],\n [BlendFunction.LINEAR_BURN, linear_burn_default],\n [BlendFunction.LINEAR_DODGE, linear_dodge_default],\n [BlendFunction.LINEAR_LIGHT, linear_light_default],\n [BlendFunction.LUMINOSITY, luminosity_default],\n [BlendFunction.MULTIPLY, multiply_default],\n [BlendFunction.NEGATION, negation_default],\n [BlendFunction.NORMAL, normal_default],\n [BlendFunction.OVERLAY, overlay_default],\n [BlendFunction.PIN_LIGHT, pin_light_default],\n [BlendFunction.REFLECT, reflect_default],\n [BlendFunction.SATURATION, saturation_default],\n [BlendFunction.SCREEN, screen_default],\n [BlendFunction.SOFT_LIGHT, soft_light_default],\n [BlendFunction.SRC, src_default],\n [BlendFunction.SUBTRACT, subtract_default],\n [BlendFunction.VIVID_LIGHT, vivid_light_default]\n]);\nvar BlendMode = class extends EventDispatcher2 {\n constructor(blendFunction, opacity = 1) {\n super();\n this._blendFunction = blendFunction;\n this.opacity = new Uniform23(opacity);\n }\n getOpacity() {\n return this.opacity.value;\n }\n setOpacity(value) {\n this.opacity.value = value;\n }\n get blendFunction() {\n return this._blendFunction;\n }\n set blendFunction(value) {\n this._blendFunction = value;\n this.dispatchEvent({ type: \"change\" });\n }\n getBlendFunction() {\n return this.blendFunction;\n }\n setBlendFunction(value) {\n this.blendFunction = value;\n }\n getShaderCode() {\n return blendFunctions.get(this.blendFunction);\n }\n};\n\n// src/effects/BloomEffect.js\nimport { sRGBEncoding as sRGBEncoding9, Uniform as Uniform24, WebGLRenderTarget as WebGLRenderTarget15 } from \"three\";\n\n// src/effects/Effect.js\nimport { BasicDepthPacking as BasicDepthPacking13, EventDispatcher as EventDispatcher3, LinearEncoding as LinearEncoding3, Material as Material2, Texture as Texture2, WebGLRenderTarget as WebGLRenderTarget14 } from \"three\";\nvar Effect = class extends EventDispatcher3 {\n constructor(name, fragmentShader, {\n attributes = EffectAttribute.NONE,\n blendFunction = BlendFunction.NORMAL,\n defines = /* @__PURE__ */ new Map(),\n uniforms = /* @__PURE__ */ new Map(),\n extensions = null,\n vertexShader = null\n } = {}) {\n super();\n this.name = name;\n this.renderer = null;\n this.attributes = attributes;\n this.fragmentShader = fragmentShader;\n this.vertexShader = vertexShader;\n this.defines = defines;\n this.uniforms = uniforms;\n this.extensions = extensions;\n this.blendMode = new BlendMode(blendFunction);\n this.blendMode.addEventListener(\"change\", (event) => this.setChanged());\n this._inputColorSpace = LinearEncoding3;\n this._outputColorSpace = null;\n }\n get inputColorSpace() {\n return this._inputColorSpace;\n }\n set inputColorSpace(value) {\n this._inputColorSpace = value;\n this.setChanged();\n }\n get outputColorSpace() {\n return this._outputColorSpace;\n }\n set outputColorSpace(value) {\n this._outputColorSpace = value;\n this.setChanged();\n }\n set mainScene(value) {\n }\n set mainCamera(value) {\n }\n getName() {\n return this.name;\n }\n setRenderer(renderer) {\n this.renderer = renderer;\n }\n getDefines() {\n return this.defines;\n }\n getUniforms() {\n return this.uniforms;\n }\n getExtensions() {\n return this.extensions;\n }\n getBlendMode() {\n return this.blendMode;\n }\n getAttributes() {\n return this.attributes;\n }\n setAttributes(attributes) {\n this.attributes = attributes;\n this.setChanged();\n }\n getFragmentShader() {\n return this.fragmentShader;\n }\n setFragmentShader(fragmentShader) {\n this.fragmentShader = fragmentShader;\n this.setChanged();\n }\n getVertexShader() {\n return this.vertexShader;\n }\n setVertexShader(vertexShader) {\n this.vertexShader = vertexShader;\n this.setChanged();\n }\n setChanged() {\n this.dispatchEvent({ type: \"change\" });\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking13) {\n }\n update(renderer, inputBuffer, deltaTime) {\n }\n setSize(width, height) {\n }\n initialize(renderer, alpha, frameBufferType) {\n }\n dispose() {\n for (const key of Object.keys(this)) {\n const property = this[key];\n const isDisposable = property instanceof WebGLRenderTarget14 || property instanceof Material2 || property instanceof Texture2 || property instanceof Pass;\n if (isDisposable) {\n this[key].dispose();\n }\n }\n }\n};\n\n// src/effects/glsl/bloom.frag\nvar bloom_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nuniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=texture2D(map,uv)*intensity;}\";\n\n// src/effects/BloomEffect.js\nvar BloomEffect = class extends Effect {\n constructor({\n blendFunction = BlendFunction.SCREEN,\n luminanceThreshold = 0.9,\n luminanceSmoothing = 0.025,\n mipmapBlur = false,\n intensity = 1,\n radius = 0.85,\n levels = 8,\n kernelSize = KernelSize.LARGE,\n resolutionScale = 0.5,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"BloomEffect\", bloom_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"map\", new Uniform24(null)],\n [\"intensity\", new Uniform24(intensity)]\n ])\n });\n this.renderTarget = new WebGLRenderTarget15(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"Bloom.Target\";\n this.blurPass = new KawaseBlurPass({ kernelSize });\n this.luminancePass = new LuminancePass({ colorOutput: true });\n this.luminanceMaterial.threshold = luminanceThreshold;\n this.luminanceMaterial.smoothing = luminanceSmoothing;\n this.mipmapBlurPass = new MipmapBlurPass();\n this.mipmapBlurPass.enabled = mipmapBlur;\n this.mipmapBlurPass.radius = radius;\n this.mipmapBlurPass.levels = levels;\n this.uniforms.get(\"map\").value = mipmapBlur ? this.mipmapBlurPass.texture : this.renderTarget.texture;\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n get texture() {\n return this.mipmapBlurPass.enabled ? this.mipmapBlurPass.texture : this.renderTarget.texture;\n }\n getTexture() {\n return this.texture;\n }\n getResolution() {\n return this.resolution;\n }\n getBlurPass() {\n return this.blurPass;\n }\n getLuminancePass() {\n return this.luminancePass;\n }\n get luminanceMaterial() {\n return this.luminancePass.fullscreenMaterial;\n }\n getLuminanceMaterial() {\n return this.luminancePass.fullscreenMaterial;\n }\n get width() {\n return this.resolution.width;\n }\n set width(value) {\n this.resolution.preferredWidth = value;\n }\n get height() {\n return this.resolution.height;\n }\n set height(value) {\n this.resolution.preferredHeight = value;\n }\n get dithering() {\n return this.blurPass.dithering;\n }\n set dithering(value) {\n this.blurPass.dithering = value;\n }\n get kernelSize() {\n return this.blurPass.kernelSize;\n }\n set kernelSize(value) {\n this.blurPass.kernelSize = value;\n }\n get distinction() {\n console.warn(this.name, \"distinction was removed\");\n return 1;\n }\n set distinction(value) {\n console.warn(this.name, \"distinction was removed\");\n }\n get intensity() {\n return this.uniforms.get(\"intensity\").value;\n }\n set intensity(value) {\n this.uniforms.get(\"intensity\").value = value;\n }\n getIntensity() {\n return this.intensity;\n }\n setIntensity(value) {\n this.intensity = value;\n }\n getResolutionScale() {\n return this.resolution.scale;\n }\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n update(renderer, inputBuffer, deltaTime) {\n const renderTarget = this.renderTarget;\n const luminancePass = this.luminancePass;\n if (luminancePass.enabled) {\n luminancePass.render(renderer, inputBuffer);\n if (this.mipmapBlurPass.enabled) {\n this.mipmapBlurPass.render(renderer, luminancePass.renderTarget);\n } else {\n this.blurPass.render(renderer, luminancePass.renderTarget, renderTarget);\n }\n } else {\n if (this.mipmapBlurPass.enabled) {\n this.mipmapBlurPass.render(renderer, inputBuffer);\n } else {\n this.blurPass.render(renderer, inputBuffer, renderTarget);\n }\n }\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n this.blurPass.resolution.copy(resolution);\n this.luminancePass.setSize(width, height);\n this.mipmapBlurPass.setSize(width, height);\n }\n initialize(renderer, alpha, frameBufferType) {\n this.blurPass.initialize(renderer, alpha, frameBufferType);\n this.luminancePass.initialize(renderer, alpha, frameBufferType);\n this.mipmapBlurPass.initialize(renderer, alpha, frameBufferType);\n if (frameBufferType !== void 0) {\n this.renderTarget.texture.type = frameBufferType;\n if (renderer.outputEncoding === sRGBEncoding9) {\n this.renderTarget.texture.encoding = sRGBEncoding9;\n }\n }\n }\n};\n\n// src/effects/BokehEffect.js\nimport { Uniform as Uniform25 } from \"three\";\n\n// src/effects/glsl/bokeh.frag\nvar bokeh_default = \"uniform float focus;uniform float dof;uniform float aperture;uniform float maxBlur;void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){vec2 aspectCorrection=vec2(1.0,aspect);\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(depth,cameraNear,cameraFar);float linearDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearDepth=depth;\\n#endif\\nfloat focusNear=clamp(focus-dof,0.0,1.0);float focusFar=clamp(focus+dof,0.0,1.0);float low=step(linearDepth,focusNear);float high=step(focusFar,linearDepth);float factor=(linearDepth-focusNear)*low+(linearDepth-focusFar)*high;vec2 dofBlur=vec2(clamp(factor*aperture,-maxBlur,maxBlur));vec2 dofblur9=dofBlur*0.9;vec2 dofblur7=dofBlur*0.7;vec2 dofblur4=dofBlur*0.4;vec4 color=inputColor;color+=texture2D(inputBuffer,uv+(vec2(0.0,0.4)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.15,0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.29,0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.37,0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.40,0.0)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.37,-0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.29,-0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.15,-0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.0,-0.4)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.15,0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.29,0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.37,0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.4,0.0)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.37,-0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.29,-0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.15,-0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.15,0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.37,0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.37,-0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.15,-0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.15,0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.37,0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.37,-0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.15,-0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.29,0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.40,0.0)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.29,-0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.0,-0.4)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(-0.29,0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(-0.4,0.0)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(-0.29,-0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.0,0.4)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.29,0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.4,0.0)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.29,-0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.0,-0.4)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(-0.29,0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(-0.4,0.0)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(-0.29,-0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.0,0.4)*aspectCorrection)*dofblur4);outputColor=color/41.0;}\";\n\n// src/effects/BokehEffect.js\nvar BokehEffect = class extends Effect {\n constructor({\n blendFunction,\n focus = 0.5,\n dof = 0.02,\n aperture = 0.015,\n maxBlur = 1\n } = {}) {\n super(\"BokehEffect\", bokeh_default, {\n blendFunction,\n attributes: EffectAttribute.CONVOLUTION | EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"focus\", new Uniform25(focus)],\n [\"dof\", new Uniform25(dof)],\n [\"aperture\", new Uniform25(aperture)],\n [\"maxBlur\", new Uniform25(maxBlur)]\n ])\n });\n }\n};\n\n// src/effects/BrightnessContrastEffect.js\nimport { sRGBEncoding as sRGBEncoding10, Uniform as Uniform26 } from \"three\";\n\n// src/effects/glsl/brightness-contrast.frag\nvar brightness_contrast_default = \"uniform float brightness;uniform float contrast;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=inputColor.rgb+vec3(brightness-0.5);if(contrast>0.0){color/=vec3(1.0-contrast);}else{color*=vec3(1.0+contrast);}outputColor=vec4(color+vec3(0.5),inputColor.a);}\";\n\n// src/effects/BrightnessContrastEffect.js\nvar BrightnessContrastEffect = class extends Effect {\n constructor({ blendFunction = BlendFunction.SRC, brightness = 0, contrast = 0 } = {}) {\n super(\"BrightnessContrastEffect\", brightness_contrast_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"brightness\", new Uniform26(brightness)],\n [\"contrast\", new Uniform26(contrast)]\n ])\n });\n this.inputColorSpace = sRGBEncoding10;\n }\n get brightness() {\n return this.uniforms.get(\"brightness\").value;\n }\n set brightness(value) {\n this.uniforms.get(\"brightness\").value = value;\n }\n getBrightness(value) {\n return this.brightness;\n }\n setBrightness(value) {\n this.brightness = value;\n }\n get contrast() {\n return this.uniforms.get(\"contrast\").value;\n }\n set contrast(value) {\n this.uniforms.get(\"contrast\").value = value;\n }\n getContrast(value) {\n return this.contrast;\n }\n setContrast(value) {\n this.contrast = value;\n }\n};\n\n// src/effects/glsl/color-average.frag\nvar color_average_default = \"void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=vec4(vec3(average(inputColor.rgb)),inputColor.a);}\";\n\n// src/effects/ColorAverageEffect.js\nvar ColorAverageEffect = class extends Effect {\n constructor(blendFunction) {\n super(\"ColorAverageEffect\", color_average_default, { blendFunction });\n }\n};\n\n// src/effects/ColorDepthEffect.js\nimport { Uniform as Uniform27 } from \"three\";\n\n// src/effects/glsl/color-depth.frag\nvar color_depth_default = \"uniform float factor;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=vec4(floor(inputColor.rgb*factor+0.5)/factor,inputColor.a);}\";\n\n// src/effects/ColorDepthEffect.js\nvar ColorDepthEffect = class extends Effect {\n constructor({ blendFunction, bits = 16 } = {}) {\n super(\"ColorDepthEffect\", color_depth_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"factor\", new Uniform27(1)]\n ])\n });\n this.bits = 0;\n this.bitDepth = bits;\n }\n get bitDepth() {\n return this.bits;\n }\n set bitDepth(value) {\n this.bits = value;\n this.uniforms.get(\"factor\").value = Math.pow(2, value / 3);\n }\n getBitDepth() {\n return this.bitDepth;\n }\n setBitDepth(value) {\n this.bitDepth = value;\n }\n};\n\n// src/effects/ChromaticAberrationEffect.js\nimport { Uniform as Uniform28, Vector2 as Vector218 } from \"three\";\n\n// src/effects/glsl/chromatic-aberration.frag\nvar chromatic_aberration_default = \"#ifdef RADIAL_MODULATION\\nuniform float modulationOffset;\\n#endif\\nvarying float vActive;varying vec2 vUvR;varying vec2 vUvB;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec2 ra=inputColor.ra;vec2 ba=inputColor.ba;\\n#ifdef RADIAL_MODULATION\\nconst vec2 center=vec2(0.5);float d=distance(uv,center)*2.0;d=max(d-modulationOffset,0.0);if(vActive>0.0&&d>0.0){ra=texture2D(inputBuffer,mix(uv,vUvR,d)).ra;ba=texture2D(inputBuffer,mix(uv,vUvB,d)).ba;}\\n#else\\nif(vActive>0.0){ra=texture2D(inputBuffer,vUvR).ra;ba=texture2D(inputBuffer,vUvB).ba;}\\n#endif\\noutputColor=vec4(ra.x,inputColor.g,ba.x,max(max(ra.y,ba.y),inputColor.a));}\";\n\n// src/effects/glsl/chromatic-aberration.vert\nvar chromatic_aberration_default2 = \"uniform vec2 offset;varying float vActive;varying vec2 vUvR;varying vec2 vUvB;void mainSupport(const in vec2 uv){vec2 shift=offset*vec2(1.0,aspect);vActive=(shift.x!=0.0||shift.y!=0.0)?1.0:0.0;vUvR=uv+shift;vUvB=uv-shift;}\";\n\n// src/effects/ChromaticAberrationEffect.js\nvar ChromaticAberrationEffect = class extends Effect {\n constructor({\n offset = new Vector218(1e-3, 5e-4),\n radialModulation = false,\n modulationOffset = 0.15\n } = {}) {\n super(\"ChromaticAberrationEffect\", chromatic_aberration_default, {\n vertexShader: chromatic_aberration_default2,\n attributes: EffectAttribute.CONVOLUTION,\n uniforms: /* @__PURE__ */ new Map([\n [\"offset\", new Uniform28(offset)],\n [\"modulationOffset\", new Uniform28(modulationOffset)]\n ])\n });\n this.radialModulation = radialModulation;\n }\n get offset() {\n return this.uniforms.get(\"offset\").value;\n }\n set offset(value) {\n this.uniforms.get(\"offset\").value = value;\n }\n get radialModulation() {\n return this.defines.has(\"RADIAL_MODULATION\");\n }\n set radialModulation(value) {\n if (value) {\n this.defines.set(\"RADIAL_MODULATION\", \"1\");\n } else {\n this.defines.delete(\"RADIAL_MODULATION\");\n }\n this.setChanged();\n }\n get modulationOffset() {\n return this.uniforms.get(\"modulationOffset\").value;\n }\n set modulationOffset(value) {\n this.uniforms.get(\"modulationOffset\").value = value;\n }\n getOffset() {\n return this.offset;\n }\n setOffset(value) {\n this.offset = value;\n }\n};\n\n// src/effects/glsl/depth.frag\nvar depth_default = \"void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){\\n#ifdef INVERTED\\nvec3 color=vec3(1.0-depth);\\n#else\\nvec3 color=vec3(depth);\\n#endif\\noutputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/DepthEffect.js\nvar DepthEffect = class extends Effect {\n constructor({ blendFunction = BlendFunction.SRC, inverted = false } = {}) {\n super(\"DepthEffect\", depth_default, {\n blendFunction,\n attributes: EffectAttribute.DEPTH\n });\n this.inverted = inverted;\n }\n get inverted() {\n return this.defines.has(\"INVERTED\");\n }\n set inverted(value) {\n if (this.inverted !== value) {\n if (value) {\n this.defines.set(\"INVERTED\", \"1\");\n } else {\n this.defines.delete(\"INVERTED\");\n }\n this.setChanged();\n }\n }\n isInverted() {\n return this.inverted;\n }\n setInverted(value) {\n this.inverted = value;\n }\n};\n\n// src/effects/DepthOfFieldEffect.js\nimport { BasicDepthPacking as BasicDepthPacking14, sRGBEncoding as sRGBEncoding11, Uniform as Uniform29, UnsignedByteType as UnsignedByteType13, WebGLRenderTarget as WebGLRenderTarget16 } from \"three\";\n\n// src/effects/glsl/depth-of-field.frag\nvar depth_of_field_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D nearColorBuffer;uniform mediump sampler2D farColorBuffer;\\n#else\\nuniform lowp sampler2D nearColorBuffer;uniform lowp sampler2D farColorBuffer;\\n#endif\\nuniform lowp sampler2D nearCoCBuffer;uniform float scale;void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){vec4 colorNear=texture2D(nearColorBuffer,uv);vec4 colorFar=texture2D(farColorBuffer,uv);float cocNear=texture2D(nearCoCBuffer,uv).r;cocNear=min(cocNear*scale,1.0);vec4 result=inputColor*(1.0-colorFar.a)+colorFar;result=mix(result,colorNear,cocNear);outputColor=result;}\";\n\n// src/effects/DepthOfFieldEffect.js\nvar DepthOfFieldEffect = class extends Effect {\n constructor(camera, {\n blendFunction,\n worldFocusDistance,\n worldFocusRange,\n focusDistance = 0,\n focalLength = 0.1,\n focusRange = focalLength,\n bokehScale = 1,\n resolutionScale = 1,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"DepthOfFieldEffect\", depth_of_field_default, {\n blendFunction,\n attributes: EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"nearColorBuffer\", new Uniform29(null)],\n [\"farColorBuffer\", new Uniform29(null)],\n [\"nearCoCBuffer\", new Uniform29(null)],\n [\"scale\", new Uniform29(1)]\n ])\n });\n this.camera = camera;\n this.renderTarget = new WebGLRenderTarget16(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"DoF.Intermediate\";\n this.renderTargetMasked = this.renderTarget.clone();\n this.renderTargetMasked.texture.name = \"DoF.Masked.Far\";\n this.renderTargetNear = this.renderTarget.clone();\n this.renderTargetNear.texture.name = \"DoF.Bokeh.Near\";\n this.uniforms.get(\"nearColorBuffer\").value = this.renderTargetNear.texture;\n this.renderTargetFar = this.renderTarget.clone();\n this.renderTargetFar.texture.name = \"DoF.Bokeh.Far\";\n this.uniforms.get(\"farColorBuffer\").value = this.renderTargetFar.texture;\n this.renderTargetCoC = this.renderTarget.clone();\n this.renderTargetCoC.texture.name = \"DoF.CoC\";\n this.renderTargetCoCBlurred = this.renderTargetCoC.clone();\n this.renderTargetCoCBlurred.texture.name = \"DoF.CoC.Blurred\";\n this.uniforms.get(\"nearCoCBuffer\").value = this.renderTargetCoCBlurred.texture;\n this.cocPass = new ShaderPass(new CircleOfConfusionMaterial(camera));\n const cocMaterial = this.cocMaterial;\n cocMaterial.focusDistance = focusDistance;\n cocMaterial.focusRange = focusRange;\n if (worldFocusDistance !== void 0) {\n cocMaterial.worldFocusDistance = worldFocusDistance;\n }\n if (worldFocusRange !== void 0) {\n cocMaterial.worldFocusRange = worldFocusRange;\n }\n this.blurPass = new KawaseBlurPass({ resolutionScale, resolutionX, resolutionY, kernelSize: KernelSize.MEDIUM });\n this.maskPass = new ShaderPass(new MaskMaterial(this.renderTargetCoC.texture));\n const maskMaterial = this.maskPass.fullscreenMaterial;\n maskMaterial.maskFunction = MaskFunction.MULTIPLY;\n maskMaterial.colorChannel = ColorChannel.GREEN;\n this.bokehNearBasePass = new ShaderPass(new BokehMaterial(false, true));\n this.bokehNearBasePass.fullscreenMaterial.cocBuffer = this.renderTargetCoCBlurred.texture;\n this.bokehNearFillPass = new ShaderPass(new BokehMaterial(true, true));\n this.bokehNearFillPass.fullscreenMaterial.cocBuffer = this.renderTargetCoCBlurred.texture;\n this.bokehFarBasePass = new ShaderPass(new BokehMaterial(false, false));\n this.bokehFarBasePass.fullscreenMaterial.cocBuffer = this.renderTargetCoC.texture;\n this.bokehFarFillPass = new ShaderPass(new BokehMaterial(true, false));\n this.bokehFarFillPass.fullscreenMaterial.cocBuffer = this.renderTargetCoC.texture;\n this.target = null;\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.bokehScale = bokehScale;\n }\n set mainCamera(value) {\n this.camera = value;\n this.cocMaterial.copyCameraSettings(value);\n }\n get cocTexture() {\n return this.renderTargetCoC.texture;\n }\n get cocMaterial() {\n return this.cocPass.fullscreenMaterial;\n }\n get circleOfConfusionMaterial() {\n return this.cocMaterial;\n }\n getCircleOfConfusionMaterial() {\n return this.circleOfConfusionMaterial;\n }\n getBlurPass() {\n return this.blurPass;\n }\n getResolution() {\n return this.resolution;\n }\n get bokehScale() {\n return this.uniforms.get(\"scale\").value;\n }\n set bokehScale(value) {\n this.bokehNearBasePass.fullscreenMaterial.scale = value;\n this.bokehNearFillPass.fullscreenMaterial.scale = value;\n this.bokehFarBasePass.fullscreenMaterial.scale = value;\n this.bokehFarFillPass.fullscreenMaterial.scale = value;\n this.maskPass.fullscreenMaterial.strength = value;\n this.uniforms.get(\"scale\").value = value;\n }\n getBokehScale() {\n return this.bokehScale;\n }\n setBokehScale(value) {\n this.bokehScale = value;\n }\n getTarget() {\n return this.target;\n }\n setTarget(value) {\n this.target = value;\n }\n calculateFocusDistance(target) {\n const camera = this.camera;\n const distance = camera.position.distanceTo(target);\n return viewZToOrthographicDepth(-distance, camera.near, camera.far);\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking14) {\n this.circleOfConfusionMaterial.depthBuffer = depthTexture;\n this.circleOfConfusionMaterial.depthPacking = depthPacking;\n }\n update(renderer, inputBuffer, deltaTime) {\n const renderTarget = this.renderTarget;\n const renderTargetCoC = this.renderTargetCoC;\n const renderTargetCoCBlurred = this.renderTargetCoCBlurred;\n const renderTargetMasked = this.renderTargetMasked;\n if (this.target !== null) {\n const distance = this.calculateFocusDistance(this.target);\n this.circleOfConfusionMaterial.focusDistance = distance;\n }\n this.cocPass.render(renderer, null, renderTargetCoC);\n this.blurPass.render(renderer, renderTargetCoC, renderTargetCoCBlurred);\n this.maskPass.render(renderer, inputBuffer, renderTargetMasked);\n this.bokehFarBasePass.render(renderer, renderTargetMasked, renderTarget);\n this.bokehFarFillPass.render(renderer, renderTarget, this.renderTargetFar);\n this.bokehNearBasePass.render(renderer, inputBuffer, renderTarget);\n this.bokehNearFillPass.render(renderer, renderTarget, this.renderTargetNear);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.cocPass.setSize(width, height);\n this.blurPass.setSize(width, height);\n this.maskPass.setSize(width, height);\n this.renderTargetCoC.setSize(width, height);\n this.renderTargetMasked.setSize(width, height);\n this.renderTarget.setSize(w, h);\n this.renderTargetNear.setSize(w, h);\n this.renderTargetFar.setSize(w, h);\n this.renderTargetCoCBlurred.setSize(w, h);\n this.bokehNearBasePass.fullscreenMaterial.setSize(width, height);\n this.bokehNearFillPass.fullscreenMaterial.setSize(width, height);\n this.bokehFarBasePass.fullscreenMaterial.setSize(width, height);\n this.bokehFarFillPass.fullscreenMaterial.setSize(width, height);\n }\n initialize(renderer, alpha, frameBufferType) {\n this.cocPass.initialize(renderer, alpha, frameBufferType);\n this.maskPass.initialize(renderer, alpha, frameBufferType);\n this.bokehNearBasePass.initialize(renderer, alpha, frameBufferType);\n this.bokehNearFillPass.initialize(renderer, alpha, frameBufferType);\n this.bokehFarBasePass.initialize(renderer, alpha, frameBufferType);\n this.bokehFarFillPass.initialize(renderer, alpha, frameBufferType);\n this.blurPass.initialize(renderer, alpha, UnsignedByteType13);\n if (frameBufferType !== void 0) {\n this.renderTarget.texture.type = frameBufferType;\n this.renderTargetNear.texture.type = frameBufferType;\n this.renderTargetFar.texture.type = frameBufferType;\n this.renderTargetMasked.texture.type = frameBufferType;\n if (renderer.outputEncoding === sRGBEncoding11) {\n this.renderTarget.texture.encoding = sRGBEncoding11;\n this.renderTargetNear.texture.encoding = sRGBEncoding11;\n this.renderTargetFar.texture.encoding = sRGBEncoding11;\n this.renderTargetMasked.texture.encoding = sRGBEncoding11;\n }\n }\n }\n};\n\n// src/effects/DotScreenEffect.js\nimport { Uniform as Uniform30, Vector2 as Vector219 } from \"three\";\n\n// src/effects/glsl/dot-screen.frag\nvar dot_screen_default = \"uniform vec2 angle;uniform float scale;float pattern(const in vec2 uv){vec2 point=scale*vec2(dot(angle.yx,vec2(uv.x,-uv.y)),dot(angle,uv));return(sin(point.x)*sin(point.y))*4.0;}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=vec3(inputColor.rgb*10.0-5.0+pattern(uv*resolution));outputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/DotScreenEffect.js\nvar DotScreenEffect = class extends Effect {\n constructor({ blendFunction, angle = Math.PI * 0.5, scale = 1 } = {}) {\n super(\"DotScreenEffect\", dot_screen_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"angle\", new Uniform30(new Vector219())],\n [\"scale\", new Uniform30(scale)]\n ])\n });\n this.angle = angle;\n }\n get angle() {\n return Math.acos(this.uniforms.get(\"angle\").value.y);\n }\n set angle(value) {\n this.uniforms.get(\"angle\").value.set(Math.sin(value), Math.cos(value));\n }\n getAngle() {\n return this.angle;\n }\n setAngle(value) {\n this.angle = value;\n }\n get scale() {\n return this.uniforms.get(\"scale\").value;\n }\n set scale(value) {\n this.uniforms.get(\"scale\").value = value;\n }\n};\n\n// src/effects/glsl/fxaa.frag\nvar fxaa_default = \"\\n#if THREE_REVISION < 143\\n#define luminance(v) linearToRelativeLuminance(v)\\n#endif\\n#define QUALITY(q) ((q) < 5 ? 1.0 : ((q) > 5 ? ((q) < 10 ? 2.0 : ((q) < 11 ? 4.0 : 8.0)) : 1.5))\\n#define ONE_OVER_TWELVE 0.08333333333333333\\nvarying vec2 vUvDown;varying vec2 vUvUp;varying vec2 vUvLeft;varying vec2 vUvRight;varying vec2 vUvDownLeft;varying vec2 vUvUpRight;varying vec2 vUvUpLeft;varying vec2 vUvDownRight;vec4 fxaa(const in vec4 inputColor,const in vec2 uv){float lumaCenter=luminance(inputColor.rgb);float lumaDown=luminance(texture2D(inputBuffer,vUvDown).rgb);float lumaUp=luminance(texture2D(inputBuffer,vUvUp).rgb);float lumaLeft=luminance(texture2D(inputBuffer,vUvLeft).rgb);float lumaRight=luminance(texture2D(inputBuffer,vUvRight).rgb);float lumaMin=min(lumaCenter,min(min(lumaDown,lumaUp),min(lumaLeft,lumaRight)));float lumaMax=max(lumaCenter,max(max(lumaDown,lumaUp),max(lumaLeft,lumaRight)));float lumaRange=lumaMax-lumaMin;if(lumaRange=edgeVertical);float stepLength=isHorizontal?texelSize.y:texelSize.x;float luma1=isHorizontal?lumaDown:lumaLeft;float luma2=isHorizontal?lumaUp:lumaRight;float gradient1=abs(luma1-lumaCenter);float gradient2=abs(luma2-lumaCenter);bool is1Steepest=gradient1>=gradient2;float gradientScaled=0.25*max(gradient1,gradient2);float lumaLocalAverage=0.0;if(is1Steepest){stepLength=-stepLength;lumaLocalAverage=0.5*(luma1+lumaCenter);}else{lumaLocalAverage=0.5*(luma2+lumaCenter);}vec2 currentUv=uv;if(isHorizontal){currentUv.y+=stepLength*0.5;}else{currentUv.x+=stepLength*0.5;}vec2 offset=isHorizontal?vec2(texelSize.x,0.0):vec2(0.0,texelSize.y);vec2 uv1=currentUv-offset*QUALITY(0);vec2 uv2=currentUv+offset*QUALITY(0);float lumaEnd1=luminance(texture2D(inputBuffer,uv1).rgb);float lumaEnd2=luminance(texture2D(inputBuffer,uv2).rgb);lumaEnd1-=lumaLocalAverage;lumaEnd2-=lumaLocalAverage;bool reached1=abs(lumaEnd1)>=gradientScaled;bool reached2=abs(lumaEnd2)>=gradientScaled;bool reachedBoth=reached1&&reached2;if(!reached1){uv1-=offset*QUALITY(1);}if(!reached2){uv2+=offset*QUALITY(1);}if(!reachedBoth){for(int i=2;i=gradientScaled;reached2=abs(lumaEnd2)>=gradientScaled;reachedBoth=reached1&&reached2;if(!reached1){uv1-=offset*QUALITY(i);}if(!reached2){uv2+=offset*QUALITY(i);}if(reachedBoth){break;}}}float distance1=isHorizontal?(uv.x-uv1.x):(uv.y-uv1.y);float distance2=isHorizontal?(uv2.x-uv.x):(uv2.y-uv.y);bool isDirection1=distance1distortion.x-columns*random){float sx=clamp(ceil(seeds.x),0.0,1.0);uv.y=sx*(1.0-(uv.y+distortion.y))+(1.0-sx)*distortion.y;}if(uv.xdistortion.y-columns*random){float sy=clamp(ceil(seeds.y),0.0,1.0);uv.x=sy*distortion.x+(1.0-sy)*(1.0-(uv.x+distortion.x));}vec2 normal=texture2D(perturbationMap,uv*random*random).rg;uv+=normal*seeds*(random*0.2);}}\";\n\n// src/effects/GlitchEffect.js\nvar textureTag = \"Glitch.Generated\";\nfunction randomFloat(low, high) {\n return low + Math.random() * (high - low);\n}\nvar GlitchEffect = class extends Effect {\n constructor({\n chromaticAberrationOffset = null,\n delay = new Vector220(1.5, 3.5),\n duration = new Vector220(0.6, 1),\n strength = new Vector220(0.3, 1),\n columns = 0.05,\n ratio = 0.85,\n perturbationMap = null,\n dtSize = 64\n } = {}) {\n super(\"GlitchEffect\", glitch_default, {\n uniforms: /* @__PURE__ */ new Map([\n [\"perturbationMap\", new Uniform32(null)],\n [\"columns\", new Uniform32(columns)],\n [\"active\", new Uniform32(false)],\n [\"random\", new Uniform32(1)],\n [\"seeds\", new Uniform32(new Vector220())],\n [\"distortion\", new Uniform32(new Vector220())]\n ])\n });\n if (perturbationMap === null) {\n const map = new NoiseTexture(dtSize, dtSize, RGBAFormat3);\n map.name = textureTag;\n this.perturbationMap = map;\n } else {\n this.perturbationMap = perturbationMap;\n }\n this.time = 0;\n this.distortion = this.uniforms.get(\"distortion\").value;\n this.delay = delay;\n this.duration = duration;\n this.breakPoint = new Vector220(\n randomFloat(this.delay.x, this.delay.y),\n randomFloat(this.duration.x, this.duration.y)\n );\n this.strength = strength;\n this.mode = GlitchMode.SPORADIC;\n this.ratio = ratio;\n this.chromaticAberrationOffset = chromaticAberrationOffset;\n }\n get seeds() {\n return this.uniforms.get(\"seeds\").value;\n }\n get active() {\n return this.uniforms.get(\"active\").value;\n }\n isActive() {\n return this.active;\n }\n get minDelay() {\n return this.delay.x;\n }\n set minDelay(value) {\n this.delay.x = value;\n }\n getMinDelay() {\n return this.delay.x;\n }\n setMinDelay(value) {\n this.delay.x = value;\n }\n get maxDelay() {\n return this.delay.y;\n }\n set maxDelay(value) {\n this.delay.y = value;\n }\n getMaxDelay() {\n return this.delay.y;\n }\n setMaxDelay(value) {\n this.delay.y = value;\n }\n get minDuration() {\n return this.duration.x;\n }\n set minDuration(value) {\n this.duration.x = value;\n }\n getMinDuration() {\n return this.duration.x;\n }\n setMinDuration(value) {\n this.duration.x = value;\n }\n get maxDuration() {\n return this.duration.y;\n }\n set maxDuration(value) {\n this.duration.y = value;\n }\n getMaxDuration() {\n return this.duration.y;\n }\n setMaxDuration(value) {\n this.duration.y = value;\n }\n get minStrength() {\n return this.strength.x;\n }\n set minStrength(value) {\n this.strength.x = value;\n }\n getMinStrength() {\n return this.strength.x;\n }\n setMinStrength(value) {\n this.strength.x = value;\n }\n get maxStrength() {\n return this.strength.y;\n }\n set maxStrength(value) {\n this.strength.y = value;\n }\n getMaxStrength() {\n return this.strength.y;\n }\n setMaxStrength(value) {\n this.strength.y = value;\n }\n getMode() {\n return this.mode;\n }\n setMode(value) {\n this.mode = value;\n }\n getGlitchRatio() {\n return 1 - this.ratio;\n }\n setGlitchRatio(value) {\n this.ratio = Math.min(Math.max(1 - value, 0), 1);\n }\n get columns() {\n return this.uniforms.get(\"columns\").value;\n }\n set columns(value) {\n this.uniforms.get(\"columns\").value = value;\n }\n getGlitchColumns() {\n return this.columns;\n }\n setGlitchColumns(value) {\n this.columns = value;\n }\n getChromaticAberrationOffset() {\n return this.chromaticAberrationOffset;\n }\n setChromaticAberrationOffset(value) {\n this.chromaticAberrationOffset = value;\n }\n get perturbationMap() {\n return this.uniforms.get(\"perturbationMap\").value;\n }\n set perturbationMap(value) {\n const currentMap = this.perturbationMap;\n if (currentMap !== null && currentMap.name === textureTag) {\n currentMap.dispose();\n }\n value.minFilter = value.magFilter = NearestFilter6;\n value.wrapS = value.wrapT = RepeatWrapping;\n value.generateMipmaps = false;\n this.uniforms.get(\"perturbationMap\").value = value;\n }\n getPerturbationMap() {\n return this.perturbationMap;\n }\n setPerturbationMap(value) {\n this.perturbationMap = value;\n }\n generatePerturbationMap(value = 64) {\n const map = new NoiseTexture(value, value, RGBAFormat3);\n map.name = textureTag;\n return map;\n }\n update(renderer, inputBuffer, deltaTime) {\n const mode = this.mode;\n const breakPoint = this.breakPoint;\n const offset = this.chromaticAberrationOffset;\n const s = this.strength;\n let time = this.time;\n let active = false;\n let r = 0, a = 0;\n let trigger;\n if (mode !== GlitchMode.DISABLED) {\n if (mode === GlitchMode.SPORADIC) {\n time += deltaTime;\n trigger = time > breakPoint.x;\n if (time >= breakPoint.x + breakPoint.y) {\n breakPoint.set(\n randomFloat(this.delay.x, this.delay.y),\n randomFloat(this.duration.x, this.duration.y)\n );\n time = 0;\n }\n }\n r = Math.random();\n this.uniforms.get(\"random\").value = r;\n if (trigger && r > this.ratio || mode === GlitchMode.CONSTANT_WILD) {\n active = true;\n r *= s.y * 0.03;\n a = randomFloat(-Math.PI, Math.PI);\n this.seeds.set(randomFloat(-s.y, s.y), randomFloat(-s.y, s.y));\n this.distortion.set(randomFloat(0, 1), randomFloat(0, 1));\n } else if (trigger || mode === GlitchMode.CONSTANT_MILD) {\n active = true;\n r *= s.x * 0.03;\n a = randomFloat(-Math.PI, Math.PI);\n this.seeds.set(randomFloat(-s.x, s.x), randomFloat(-s.x, s.x));\n this.distortion.set(randomFloat(0, 1), randomFloat(0, 1));\n }\n this.time = time;\n }\n if (offset !== null) {\n if (active) {\n offset.set(Math.cos(a), Math.sin(a)).multiplyScalar(r);\n } else {\n offset.set(0, 0);\n }\n }\n this.uniforms.get(\"active\").value = active;\n }\n dispose() {\n const map = this.perturbationMap;\n if (map !== null && map.name === textureTag) {\n map.dispose();\n }\n }\n};\n\n// src/effects/GodRaysEffect.js\nimport {\n BasicDepthPacking as BasicDepthPacking15,\n Color as Color4,\n DepthTexture as DepthTexture2,\n Matrix4 as Matrix42,\n Scene as Scene2,\n sRGBEncoding as sRGBEncoding12,\n Uniform as Uniform33,\n Vector2 as Vector221,\n Vector3,\n WebGLRenderTarget as WebGLRenderTarget17\n} from \"three\";\n\n// src/effects/glsl/god-rays.frag\nvar god_rays_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=texture2D(map,uv);}\";\n\n// src/effects/GodRaysEffect.js\nvar v = new Vector3();\nvar m = new Matrix42();\nvar GodRaysEffect = class extends Effect {\n constructor(camera, lightSource, {\n blendFunction = BlendFunction.SCREEN,\n samples = 60,\n density = 0.96,\n decay = 0.9,\n weight = 0.4,\n exposure = 0.6,\n clampMax = 1,\n blur = true,\n kernelSize = KernelSize.SMALL,\n resolutionScale = 0.5,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"GodRaysEffect\", god_rays_default, {\n blendFunction,\n attributes: EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"map\", new Uniform33(null)]\n ])\n });\n this.camera = camera;\n this.lightSource = lightSource;\n this.lightSource.material.depthWrite = false;\n this.lightSource.material.transparent = true;\n this.lightScene = new Scene2();\n this.screenPosition = new Vector221();\n this.renderTargetA = new WebGLRenderTarget17(1, 1, { depthBuffer: false });\n this.renderTargetA.texture.name = \"GodRays.Target.A\";\n this.renderTargetB = this.renderTargetA.clone();\n this.renderTargetB.texture.name = \"GodRays.Target.B\";\n this.uniforms.get(\"map\").value = this.renderTargetB.texture;\n this.renderTargetLight = new WebGLRenderTarget17(1, 1);\n this.renderTargetLight.texture.name = \"GodRays.Light\";\n this.renderTargetLight.depthTexture = new DepthTexture2();\n this.renderPassLight = new RenderPass(this.lightScene, camera);\n this.renderPassLight.clearPass.overrideClearColor = new Color4(0);\n this.clearPass = new ClearPass(true, false, false);\n this.clearPass.overrideClearColor = new Color4(0);\n this.blurPass = new KawaseBlurPass({ kernelSize });\n this.blurPass.enabled = blur;\n this.depthMaskPass = new ShaderPass(new DepthMaskMaterial());\n const depthMaskMaterial = this.depthMaskMaterial;\n depthMaskMaterial.depthBuffer1 = this.renderTargetLight.depthTexture;\n depthMaskMaterial.copyCameraSettings(camera);\n this.godRaysPass = new ShaderPass(new GodRaysMaterial(this.screenPosition));\n const godRaysMaterial = this.godRaysMaterial;\n godRaysMaterial.density = density;\n godRaysMaterial.decay = decay;\n godRaysMaterial.weight = weight;\n godRaysMaterial.exposure = exposure;\n godRaysMaterial.maxIntensity = clampMax;\n godRaysMaterial.samples = samples;\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n set mainCamera(value) {\n this.camera = value;\n this.renderPassLight.mainCamera = value;\n this.depthMaskMaterial.copyCameraSettings(value);\n }\n getBlurPass() {\n return this.blurPass;\n }\n get texture() {\n return this.renderTargetB.texture;\n }\n getTexture() {\n return this.texture;\n }\n get depthMaskMaterial() {\n return this.depthMaskPass.fullscreenMaterial;\n }\n get godRaysMaterial() {\n return this.godRaysPass.fullscreenMaterial;\n }\n getGodRaysMaterial() {\n return this.godRaysMaterial;\n }\n getResolution() {\n return this.resolution;\n }\n get width() {\n return this.resolution.width;\n }\n set width(value) {\n this.resolution.preferredWidth = value;\n }\n get height() {\n return this.resolution.height;\n }\n set height(value) {\n this.resolution.preferredHeight = value;\n }\n get dithering() {\n return this.godRaysMaterial.dithering;\n }\n set dithering(value) {\n const material = this.godRaysMaterial;\n material.dithering = value;\n material.needsUpdate = true;\n }\n get blur() {\n return this.blurPass.enabled;\n }\n set blur(value) {\n this.blurPass.enabled = value;\n }\n get kernelSize() {\n return this.blurPass.kernelSize;\n }\n set kernelSize(value) {\n this.blurPass.kernelSize = value;\n }\n getResolutionScale() {\n return this.resolution.scale;\n }\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n get samples() {\n return this.godRaysMaterial.samples;\n }\n set samples(value) {\n this.godRaysMaterial.samples = value;\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking15) {\n this.depthMaskPass.fullscreenMaterial.depthBuffer0 = depthTexture;\n this.depthMaskPass.fullscreenMaterial.depthPacking0 = depthPacking;\n }\n update(renderer, inputBuffer, deltaTime) {\n const lightSource = this.lightSource;\n const parent = lightSource.parent;\n const matrixAutoUpdate = lightSource.matrixAutoUpdate;\n const renderTargetA = this.renderTargetA;\n const renderTargetLight = this.renderTargetLight;\n lightSource.material.depthWrite = true;\n lightSource.matrixAutoUpdate = false;\n lightSource.updateWorldMatrix(true, false);\n if (parent !== null) {\n if (!matrixAutoUpdate) {\n m.copy(lightSource.matrix);\n }\n lightSource.matrix.copy(lightSource.matrixWorld);\n }\n this.lightScene.add(lightSource);\n this.renderPassLight.render(renderer, renderTargetLight);\n this.clearPass.render(renderer, renderTargetA);\n this.depthMaskPass.render(renderer, renderTargetLight, renderTargetA);\n lightSource.material.depthWrite = false;\n lightSource.matrixAutoUpdate = matrixAutoUpdate;\n if (parent !== null) {\n if (!matrixAutoUpdate) {\n lightSource.matrix.copy(m);\n }\n parent.add(lightSource);\n }\n v.setFromMatrixPosition(lightSource.matrixWorld).project(this.camera);\n this.screenPosition.set(\n Math.min(Math.max((v.x + 1) * 0.5, -1), 2),\n Math.min(Math.max((v.y + 1) * 0.5, -1), 2)\n );\n if (this.blurPass.enabled) {\n this.blurPass.render(renderer, renderTargetA, renderTargetA);\n }\n this.godRaysPass.render(renderer, renderTargetA, this.renderTargetB);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.renderTargetA.setSize(w, h);\n this.renderTargetB.setSize(w, h);\n this.renderTargetLight.setSize(w, h);\n this.blurPass.resolution.copy(resolution);\n }\n initialize(renderer, alpha, frameBufferType) {\n this.blurPass.initialize(renderer, alpha, frameBufferType);\n this.renderPassLight.initialize(renderer, alpha, frameBufferType);\n this.depthMaskPass.initialize(renderer, alpha, frameBufferType);\n this.godRaysPass.initialize(renderer, alpha, frameBufferType);\n if (frameBufferType !== void 0) {\n this.renderTargetA.texture.type = frameBufferType;\n this.renderTargetB.texture.type = frameBufferType;\n this.renderTargetLight.texture.type = frameBufferType;\n if (renderer.outputEncoding === sRGBEncoding12) {\n this.renderTargetA.texture.encoding = sRGBEncoding12;\n this.renderTargetB.texture.encoding = sRGBEncoding12;\n this.renderTargetLight.texture.encoding = sRGBEncoding12;\n }\n }\n }\n};\n\n// src/effects/GridEffect.js\nimport { Uniform as Uniform34, Vector2 as Vector222 } from \"three\";\n\n// src/effects/glsl/grid.frag\nvar grid_default = \"uniform vec2 scale;uniform float lineWidth;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){float grid=0.5-max(abs(mod(uv.x*scale.x,1.0)-0.5),abs(mod(uv.y*scale.y,1.0)-0.5));outputColor=vec4(vec3(smoothstep(0.0,lineWidth,grid)),inputColor.a);}\";\n\n// src/effects/GridEffect.js\nvar GridEffect = class extends Effect {\n constructor({ blendFunction = BlendFunction.OVERLAY, scale = 1, lineWidth = 0 } = {}) {\n super(\"GridEffect\", grid_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"scale\", new Uniform34(new Vector222())],\n [\"lineWidth\", new Uniform34(lineWidth)]\n ])\n });\n this.resolution = new Vector222();\n this.s = 0;\n this.scale = scale;\n this.l = 0;\n this.lineWidth = lineWidth;\n }\n get scale() {\n return this.s;\n }\n set scale(value) {\n this.s = Math.max(value, 1e-6);\n this.setSize(this.resolution.width, this.resolution.height);\n }\n getScale() {\n return this.scale;\n }\n setScale(value) {\n this.scale = value;\n }\n get lineWidth() {\n return this.l;\n }\n set lineWidth(value) {\n this.l = value;\n this.setSize(this.resolution.width, this.resolution.height);\n }\n getLineWidth() {\n return this.lineWidth;\n }\n setLineWidth(value) {\n this.lineWidth = value;\n }\n setSize(width, height) {\n this.resolution.set(width, height);\n const aspect = width / height;\n const scale = this.scale * (height * 0.125);\n this.uniforms.get(\"scale\").value.set(aspect * scale, scale);\n this.uniforms.get(\"lineWidth\").value = scale / height + this.lineWidth;\n }\n};\n\n// src/effects/HueSaturationEffect.js\nimport { Uniform as Uniform35, Vector3 as Vector32 } from \"three\";\n\n// src/effects/glsl/hue-saturation.frag\nvar hue_saturation_default = \"uniform vec3 hue;uniform float saturation;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=vec3(dot(inputColor.rgb,hue.xyz),dot(inputColor.rgb,hue.zxy),dot(inputColor.rgb,hue.yzx));float average=(color.r+color.g+color.b)/3.0;vec3 diff=average-color;if(saturation>0.0){color+=diff*(1.0-1.0/(1.001-saturation));}else{color+=diff*-saturation;}outputColor=vec4(min(color,1.0),inputColor.a);}\";\n\n// src/effects/HueSaturationEffect.js\nvar HueSaturationEffect = class extends Effect {\n constructor({ blendFunction = BlendFunction.SRC, hue = 0, saturation = 0 } = {}) {\n super(\"HueSaturationEffect\", hue_saturation_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"hue\", new Uniform35(new Vector32())],\n [\"saturation\", new Uniform35(saturation)]\n ])\n });\n this.hue = hue;\n }\n get saturation() {\n return this.uniforms.get(\"saturation\").value;\n }\n set saturation(value) {\n this.uniforms.get(\"saturation\").value = value;\n }\n getSaturation() {\n return this.saturation;\n }\n setSaturation(value) {\n this.saturation = value;\n }\n get hue() {\n const hue = this.uniforms.get(\"hue\").value;\n return Math.acos((hue.x * 3 - 1) / 2);\n }\n set hue(value) {\n const s = Math.sin(value), c2 = Math.cos(value);\n this.uniforms.get(\"hue\").value.set(\n (2 * c2 + 1) / 3,\n (-Math.sqrt(3) * s - c2 + 1) / 3,\n (Math.sqrt(3) * s - c2 + 1) / 3\n );\n }\n getHue() {\n return this.hue;\n }\n setHue(value) {\n this.hue = value;\n }\n};\n\n// src/effects/LUT1DEffect.js\nimport { FloatType as FloatType4, HalfFloatType, Uniform as Uniform36 } from \"three\";\n\n// src/effects/glsl/lut-1d.frag\nvar lut_1d_default = \"#ifdef LUT_PRECISION_HIGH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D lut;\\n#else\\nuniform mediump sampler2D lut;\\n#endif\\n#else\\nuniform lowp sampler2D lut;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=vec4(texture2D(lut,vec2(inputColor.r,0.5)).r,texture2D(lut,vec2(inputColor.g,0.5)).r,texture2D(lut,vec2(inputColor.b,0.5)).r,inputColor.a);}\";\n\n// src/effects/LUT1DEffect.js\nvar LUT1DEffect = class extends Effect {\n constructor(lut, { blendFunction = BlendFunction.SRC } = {}) {\n super(\"LUT1DEffect\", lut_1d_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([[\"lut\", new Uniform36(null)]])\n });\n this.lut = lut;\n }\n get lut() {\n return this.uniforms.get(\"lut\").value;\n }\n set lut(value) {\n this.uniforms.get(\"lut\").value = value;\n if (value !== null && (value.type === FloatType4 || value.type === HalfFloatType)) {\n this.defines.set(\"LUT_PRECISION_HIGH\", \"1\");\n }\n }\n};\n\n// src/effects/LUT3DEffect.js\nimport {\n DataTexture3D as DataTexture3D2,\n FloatType as FloatType6,\n HalfFloatType as HalfFloatType2,\n LinearFilter as LinearFilter4,\n NearestFilter as NearestFilter7,\n sRGBEncoding as sRGBEncoding14,\n Uniform as Uniform37,\n Vector3 as Vector34\n} from \"three\";\n\n// src/textures/lut/LookupTexture.js\nimport {\n Color as Color5,\n ClampToEdgeWrapping,\n DataTexture as DataTexture2,\n DataTexture3D,\n FloatType as FloatType5,\n LinearFilter as LinearFilter3,\n LinearEncoding as LinearEncoding4,\n RGBAFormat as RGBAFormat4,\n sRGBEncoding as sRGBEncoding13,\n UnsignedByteType as UnsignedByteType15,\n Vector3 as Vector33\n} from \"three\";\n\n// src/textures/RawImageData.js\nfunction createCanvas(width, height, data) {\n const canvas = document.createElement(\"canvas\");\n const context = canvas.getContext(\"2d\");\n canvas.width = width;\n canvas.height = height;\n if (data instanceof Image) {\n context.drawImage(data, 0, 0);\n } else {\n const imageData = context.createImageData(width, height);\n imageData.data.set(data);\n context.putImageData(imageData, 0, 0);\n }\n return canvas;\n}\nvar RawImageData = class {\n constructor(width = 0, height = 0, data = null) {\n this.width = width;\n this.height = height;\n this.data = data;\n }\n toCanvas() {\n return typeof document === \"undefined\" ? null : createCanvas(this.width, this.height, this.data);\n }\n static from(image) {\n const { width, height } = image;\n let data;\n if (image instanceof Image) {\n const canvas = createCanvas(width, height, image);\n if (canvas !== null) {\n const context = canvas.getContext(\"2d\");\n data = context.getImageData(0, 0, width, height).data;\n }\n } else {\n data = image.data;\n }\n return new RawImageData(width, height, data);\n }\n};\n\n// tmp/lut/worker.txt\nvar worker_default = '\"use strict\";(()=>{var O=Math.pow;var _={SCALE_UP:\"lut.scaleup\"};var k=[new Float32Array(3),new Float32Array(3)],n=[new Float32Array(3),new Float32Array(3),new Float32Array(3),new Float32Array(3)],Z=[[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([0,1,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([0,1,1]),new Float32Array([1,1,1])]];function d(a,t,r,m){let i=r[0]-t[0],e=r[1]-t[1],y=r[2]-t[2],h=a[0]-t[0],A=a[1]-t[1],w=a[2]-t[2],c=e*w-y*A,l=y*h-i*w,x=i*A-e*h,u=Math.sqrt(c*c+l*l+x*x),b=u*.5,s=c/u,F=l/u,f=x/u,p=-(a[0]*s+a[1]*F+a[2]*f),M=m[0]*s+m[1]*F+m[2]*f;return Math.abs(M+p)*b/3}function V(a,t,r,m,i,e){let y=(r+m*t+i*t*t)*4;e[0]=a[y+0],e[1]=a[y+1],e[2]=a[y+2]}function j(a,t,r,m,i,e){let y=r*(t-1),h=m*(t-1),A=i*(t-1),w=Math.floor(y),c=Math.floor(h),l=Math.floor(A),x=Math.ceil(y),u=Math.ceil(h),b=Math.ceil(A),s=y-w,F=h-c,f=A-l;if(w===y&&c===h&&l===A)V(a,t,y,h,A,e);else{let p;s>=F&&F>=f?p=Z[0]:s>=f&&f>=F?p=Z[1]:f>=s&&s>=F?p=Z[2]:F>=s&&s>=f?p=Z[3]:F>=f&&f>=s?p=Z[4]:f>=F&&F>=s&&(p=Z[5]);let[M,g,X,Y]=p,P=k[0];P[0]=s,P[1]=F,P[2]=f;let o=k[1],L=x-w,S=u-c,U=b-l;o[0]=L*M[0]+w,o[1]=S*M[1]+c,o[2]=U*M[2]+l,V(a,t,o[0],o[1],o[2],n[0]),o[0]=L*g[0]+w,o[1]=S*g[1]+c,o[2]=U*g[2]+l,V(a,t,o[0],o[1],o[2],n[1]),o[0]=L*X[0]+w,o[1]=S*X[1]+c,o[2]=U*X[2]+l,V(a,t,o[0],o[1],o[2],n[2]),o[0]=L*Y[0]+w,o[1]=S*Y[1]+c,o[2]=U*Y[2]+l,V(a,t,o[0],o[1],o[2],n[3]);let T=d(g,X,Y,P)*6,q=d(M,X,Y,P)*6,C=d(M,g,Y,P)*6,E=d(M,g,X,P)*6;n[0][0]*=T,n[0][1]*=T,n[0][2]*=T,n[1][0]*=q,n[1][1]*=q,n[1][2]*=q,n[2][0]*=C,n[2][1]*=C,n[2][2]*=C,n[3][0]*=E,n[3][1]*=E,n[3][2]*=E,e[0]=n[0][0]+n[1][0]+n[2][0]+n[3][0],e[1]=n[0][1]+n[1][1]+n[2][1]+n[3][1],e[2]=n[0][2]+n[1][2]+n[2][2]+n[3][2]}}var v=class{static expand(t,r){let m=Math.cbrt(t.length/4),i=new Float32Array(3),e=new t.constructor(O(r,3)*4),y=t instanceof Uint8Array?255:1,h=O(r,2),A=1/(r-1);for(let w=0;w{let t=a.data,r=t.data;switch(t.operation){case _.SCALE_UP:r=v.expand(r,t.size);break}postMessage(r,[r.buffer]),close()});})();\\n';\n\n// src/textures/lut/LookupTexture.js\nvar c = new Color5();\nvar LookupTexture = class extends DataTexture3D {\n constructor(data, size) {\n super(data, size, size, size);\n this.type = FloatType5;\n this.format = RGBAFormat4;\n this.encoding = LinearEncoding4;\n this.minFilter = LinearFilter3;\n this.magFilter = LinearFilter3;\n this.wrapS = ClampToEdgeWrapping;\n this.wrapT = ClampToEdgeWrapping;\n this.wrapR = ClampToEdgeWrapping;\n this.unpackAlignment = 1;\n this.needsUpdate = true;\n this.domainMin = new Vector33(0, 0, 0);\n this.domainMax = new Vector33(1, 1, 1);\n }\n get isLookupTexture3D() {\n return true;\n }\n scaleUp(size, transferData = true) {\n const image = this.image;\n let promise;\n if (size <= image.width) {\n promise = Promise.reject(new Error(\"The target size must be greater than the current size\"));\n } else {\n promise = new Promise((resolve, reject) => {\n const workerURL = URL.createObjectURL(new Blob([worker_default], {\n type: \"text/javascript\"\n }));\n const worker = new Worker(workerURL);\n worker.addEventListener(\"error\", (event) => reject(event.error));\n worker.addEventListener(\"message\", (event) => {\n const lut = new LookupTexture(event.data, size);\n lut.encoding = this.encoding;\n lut.type = this.type;\n lut.name = this.name;\n URL.revokeObjectURL(workerURL);\n resolve(lut);\n });\n const transferList = transferData ? [image.data.buffer] : [];\n worker.postMessage({\n operation: LUTOperation.SCALE_UP,\n data: image.data,\n size\n }, transferList);\n });\n }\n return promise;\n }\n applyLUT(lut) {\n const img0 = this.image;\n const img1 = lut.image;\n const size0 = Math.min(img0.width, img0.height, img0.depth);\n const size1 = Math.min(img1.width, img1.height, img1.depth);\n if (size0 !== size1) {\n console.error(\"Size mismatch\");\n } else if (lut.type !== FloatType5 || this.type !== FloatType5) {\n console.error(\"Both LUTs must be FloatType textures\");\n } else if (lut.format !== RGBAFormat4 || this.format !== RGBAFormat4) {\n console.error(\"Both LUTs must be RGBA textures\");\n } else {\n const data0 = img0.data;\n const data1 = img1.data;\n const size = size0;\n const sizeSq = size ** 2;\n const s = size - 1;\n for (let i = 0, l = size ** 3; i < l; ++i) {\n const i4 = i * 4;\n const r = data0[i4 + 0] * s;\n const g = data0[i4 + 1] * s;\n const b = data0[i4 + 2] * s;\n const iRGB = Math.round(r + g * size + b * sizeSq) * 4;\n data0[i4 + 0] = data1[iRGB + 0];\n data0[i4 + 1] = data1[iRGB + 1];\n data0[i4 + 2] = data1[iRGB + 2];\n }\n this.needsUpdate = true;\n }\n return this;\n }\n convertToUint8() {\n if (this.type === FloatType5) {\n const floatData = this.image.data;\n const uint8Data = new Uint8Array(floatData.length);\n for (let i = 0, l = floatData.length; i < l; ++i) {\n uint8Data[i] = floatData[i] * 255 + 0.5;\n }\n this.image.data = uint8Data;\n this.type = UnsignedByteType15;\n this.needsUpdate = true;\n }\n return this;\n }\n convertToFloat() {\n if (this.type === UnsignedByteType15) {\n const uint8Data = this.image.data;\n const floatData = new Float32Array(uint8Data.length);\n for (let i = 0, l = uint8Data.length; i < l; ++i) {\n floatData[i] = uint8Data[i] / 255;\n }\n this.image.data = floatData;\n this.type = FloatType5;\n this.needsUpdate = true;\n }\n return this;\n }\n convertToRGBA() {\n console.warn(\"LookupTexture\", \"convertToRGBA() is deprecated, LUTs are now RGBA by default\");\n return this;\n }\n convertLinearToSRGB() {\n const data = this.image.data;\n if (this.type === FloatType5) {\n for (let i = 0, l = data.length; i < l; i += 4) {\n c.fromArray(data, i).convertLinearToSRGB().toArray(data, i);\n }\n this.encoding = sRGBEncoding13;\n this.needsUpdate = true;\n } else {\n console.error(\"Color space conversion requires FloatType data\");\n }\n return this;\n }\n convertSRGBToLinear() {\n const data = this.image.data;\n if (this.type === FloatType5) {\n for (let i = 0, l = data.length; i < l; i += 4) {\n c.fromArray(data, i).convertSRGBToLinear().toArray(data, i);\n }\n this.encoding = LinearEncoding4;\n this.needsUpdate = true;\n } else {\n console.error(\"Color space conversion requires FloatType data\");\n }\n return this;\n }\n toDataTexture() {\n const width = this.image.width;\n const height = this.image.height * this.image.depth;\n const texture = new DataTexture2(this.image.data, width, height);\n texture.name = this.name;\n texture.type = this.type;\n texture.format = this.format;\n texture.encoding = this.encoding;\n texture.minFilter = LinearFilter3;\n texture.magFilter = LinearFilter3;\n texture.wrapS = this.wrapS;\n texture.wrapT = this.wrapT;\n texture.generateMipmaps = false;\n texture.needsUpdate = true;\n return texture;\n }\n static from(texture) {\n const image = texture.image;\n const { width, height } = image;\n const size = Math.min(width, height);\n let data;\n if (image instanceof Image) {\n const rawImageData = RawImageData.from(image);\n const src = rawImageData.data;\n if (width > height) {\n data = new Uint8Array(src.length);\n for (let z = 0; z < size; ++z) {\n for (let y = 0; y < size; ++y) {\n for (let x = 0; x < size; ++x) {\n const i4 = (x + z * size + y * size * size) * 4;\n const j4 = (x + y * size + z * size * size) * 4;\n data[j4 + 0] = src[i4 + 0];\n data[j4 + 1] = src[i4 + 1];\n data[j4 + 2] = src[i4 + 2];\n data[j4 + 3] = src[i4 + 3];\n }\n }\n }\n } else {\n data = new Uint8Array(src.buffer);\n }\n } else {\n data = image.data.slice();\n }\n const lut = new LookupTexture(data, size);\n lut.encoding = texture.encoding;\n lut.type = texture.type;\n lut.name = texture.name;\n return lut;\n }\n static createNeutral(size) {\n const data = new Float32Array(size ** 3 * 4);\n const sizeSq = size ** 2;\n const s = 1 / (size - 1);\n for (let r = 0; r < size; ++r) {\n for (let g = 0; g < size; ++g) {\n for (let b = 0; b < size; ++b) {\n const i4 = (r + g * size + b * sizeSq) * 4;\n data[i4 + 0] = r * s;\n data[i4 + 1] = g * s;\n data[i4 + 2] = b * s;\n data[i4 + 3] = 1;\n }\n }\n }\n const lut = new LookupTexture(data, size);\n lut.name = \"neutral\";\n return lut;\n }\n};\n\n// src/textures/lut/TetrahedralUpscaler.js\nvar P = [\n new Float32Array(3),\n new Float32Array(3)\n];\nvar C = [\n new Float32Array(3),\n new Float32Array(3),\n new Float32Array(3),\n new Float32Array(3)\n];\nvar T = [\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([1, 0, 0]),\n new Float32Array([1, 1, 0]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([1, 0, 0]),\n new Float32Array([1, 0, 1]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([0, 0, 1]),\n new Float32Array([1, 0, 1]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([0, 1, 0]),\n new Float32Array([1, 1, 0]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([0, 1, 0]),\n new Float32Array([0, 1, 1]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([0, 0, 1]),\n new Float32Array([0, 1, 1]),\n new Float32Array([1, 1, 1])\n ]\n];\nfunction calculateTetrahedronVolume(a, b, c2, d) {\n const bcX = c2[0] - b[0];\n const bcY = c2[1] - b[1];\n const bcZ = c2[2] - b[2];\n const baX = a[0] - b[0];\n const baY = a[1] - b[1];\n const baZ = a[2] - b[2];\n const crossX = bcY * baZ - bcZ * baY;\n const crossY = bcZ * baX - bcX * baZ;\n const crossZ = bcX * baY - bcY * baX;\n const length = Math.sqrt(crossX * crossX + crossY * crossY + crossZ * crossZ);\n const triangleArea = length * 0.5;\n const normalX = crossX / length;\n const normalY = crossY / length;\n const normalZ = crossZ / length;\n const constant = -(a[0] * normalX + a[1] * normalY + a[2] * normalZ);\n const dot = d[0] * normalX + d[1] * normalY + d[2] * normalZ;\n const height = Math.abs(dot + constant);\n return height * triangleArea / 3;\n}\nfunction sample(data, size, x, y, z, color2) {\n const i4 = (x + y * size + z * size * size) * 4;\n color2[0] = data[i4 + 0];\n color2[1] = data[i4 + 1];\n color2[2] = data[i4 + 2];\n}\nfunction tetrahedralSample(data, size, u, v3, w, color2) {\n const px = u * (size - 1);\n const py = v3 * (size - 1);\n const pz = w * (size - 1);\n const minX = Math.floor(px);\n const minY = Math.floor(py);\n const minZ = Math.floor(pz);\n const maxX = Math.ceil(px);\n const maxY = Math.ceil(py);\n const maxZ = Math.ceil(pz);\n const su = px - minX;\n const sv = py - minY;\n const sw = pz - minZ;\n if (minX === px && minY === py && minZ === pz) {\n sample(data, size, px, py, pz, color2);\n } else {\n let vertices;\n if (su >= sv && sv >= sw) {\n vertices = T[0];\n } else if (su >= sw && sw >= sv) {\n vertices = T[1];\n } else if (sw >= su && su >= sv) {\n vertices = T[2];\n } else if (sv >= su && su >= sw) {\n vertices = T[3];\n } else if (sv >= sw && sw >= su) {\n vertices = T[4];\n } else if (sw >= sv && sv >= su) {\n vertices = T[5];\n }\n const [P0, P1, P2, P3] = vertices;\n const coords = P[0];\n coords[0] = su;\n coords[1] = sv;\n coords[2] = sw;\n const tmp = P[1];\n const diffX = maxX - minX;\n const diffY = maxY - minY;\n const diffZ = maxZ - minZ;\n tmp[0] = diffX * P0[0] + minX;\n tmp[1] = diffY * P0[1] + minY;\n tmp[2] = diffZ * P0[2] + minZ;\n sample(data, size, tmp[0], tmp[1], tmp[2], C[0]);\n tmp[0] = diffX * P1[0] + minX;\n tmp[1] = diffY * P1[1] + minY;\n tmp[2] = diffZ * P1[2] + minZ;\n sample(data, size, tmp[0], tmp[1], tmp[2], C[1]);\n tmp[0] = diffX * P2[0] + minX;\n tmp[1] = diffY * P2[1] + minY;\n tmp[2] = diffZ * P2[2] + minZ;\n sample(data, size, tmp[0], tmp[1], tmp[2], C[2]);\n tmp[0] = diffX * P3[0] + minX;\n tmp[1] = diffY * P3[1] + minY;\n tmp[2] = diffZ * P3[2] + minZ;\n sample(data, size, tmp[0], tmp[1], tmp[2], C[3]);\n const V0 = calculateTetrahedronVolume(P1, P2, P3, coords) * 6;\n const V1 = calculateTetrahedronVolume(P0, P2, P3, coords) * 6;\n const V2 = calculateTetrahedronVolume(P0, P1, P3, coords) * 6;\n const V3 = calculateTetrahedronVolume(P0, P1, P2, coords) * 6;\n C[0][0] *= V0;\n C[0][1] *= V0;\n C[0][2] *= V0;\n C[1][0] *= V1;\n C[1][1] *= V1;\n C[1][2] *= V1;\n C[2][0] *= V2;\n C[2][1] *= V2;\n C[2][2] *= V2;\n C[3][0] *= V3;\n C[3][1] *= V3;\n C[3][2] *= V3;\n color2[0] = C[0][0] + C[1][0] + C[2][0] + C[3][0];\n color2[1] = C[0][1] + C[1][1] + C[2][1] + C[3][1];\n color2[2] = C[0][2] + C[1][2] + C[2][2] + C[3][2];\n }\n}\nvar TetrahedralUpscaler = class {\n static expand(data, size) {\n const originalSize = Math.cbrt(data.length / 4);\n const rgb = new Float32Array(3);\n const array = new data.constructor(size ** 3 * 4);\n const maxValue = data instanceof Uint8Array ? 255 : 1;\n const sizeSq = size ** 2;\n const s = 1 / (size - 1);\n for (let z = 0; z < size; ++z) {\n for (let y = 0; y < size; ++y) {\n for (let x = 0; x < size; ++x) {\n const u = x * s;\n const v3 = y * s;\n const w = z * s;\n const i4 = Math.round(x + y * size + z * sizeSq) * 4;\n tetrahedralSample(data, originalSize, u, v3, w, rgb);\n array[i4 + 0] = rgb[0];\n array[i4 + 1] = rgb[1];\n array[i4 + 2] = rgb[2];\n array[i4 + 3] = maxValue;\n }\n }\n }\n return array;\n }\n};\n\n// src/textures/smaa/SMAAAreaImageData.js\nvar area = [\n new Float32Array(2),\n new Float32Array(2)\n];\nvar ORTHOGONAL_SIZE = 16;\nvar DIAGONAL_SIZE = 20;\nvar DIAGONAL_SAMPLES = 30;\nvar SMOOTH_MAX_DISTANCE = 32;\nvar orthogonalSubsamplingOffsets = new Float32Array([\n 0,\n -0.25,\n 0.25,\n -0.125,\n 0.125,\n -0.375,\n 0.375\n]);\nvar diagonalSubsamplingOffsets = [\n new Float32Array([0, 0]),\n new Float32Array([0.25, -0.25]),\n new Float32Array([-0.25, 0.25]),\n new Float32Array([0.125, -0.125]),\n new Float32Array([-0.125, 0.125])\n];\nvar orthogonalEdges = [\n new Uint8Array([0, 0]),\n new Uint8Array([3, 0]),\n new Uint8Array([0, 3]),\n new Uint8Array([3, 3]),\n new Uint8Array([1, 0]),\n new Uint8Array([4, 0]),\n new Uint8Array([1, 3]),\n new Uint8Array([4, 3]),\n new Uint8Array([0, 1]),\n new Uint8Array([3, 1]),\n new Uint8Array([0, 4]),\n new Uint8Array([3, 4]),\n new Uint8Array([1, 1]),\n new Uint8Array([4, 1]),\n new Uint8Array([1, 4]),\n new Uint8Array([4, 4])\n];\nvar diagonalEdges = [\n new Uint8Array([0, 0]),\n new Uint8Array([1, 0]),\n new Uint8Array([0, 2]),\n new Uint8Array([1, 2]),\n new Uint8Array([2, 0]),\n new Uint8Array([3, 0]),\n new Uint8Array([2, 2]),\n new Uint8Array([3, 2]),\n new Uint8Array([0, 1]),\n new Uint8Array([1, 1]),\n new Uint8Array([0, 3]),\n new Uint8Array([1, 3]),\n new Uint8Array([2, 1]),\n new Uint8Array([3, 1]),\n new Uint8Array([2, 3]),\n new Uint8Array([3, 3])\n];\nfunction lerp(a, b, p) {\n return a + (b - a) * p;\n}\nfunction saturate(a) {\n return Math.min(Math.max(a, 0), 1);\n}\nfunction smoothArea(d) {\n const a1 = area[0];\n const a2 = area[1];\n const b1X = Math.sqrt(a1[0] * 2) * 0.5;\n const b1Y = Math.sqrt(a1[1] * 2) * 0.5;\n const b2X = Math.sqrt(a2[0] * 2) * 0.5;\n const b2Y = Math.sqrt(a2[1] * 2) * 0.5;\n const p = saturate(d / SMOOTH_MAX_DISTANCE);\n a1[0] = lerp(b1X, a1[0], p);\n a1[1] = lerp(b1Y, a1[1], p);\n a2[0] = lerp(b2X, a2[0], p);\n a2[1] = lerp(b2Y, a2[1], p);\n}\nfunction getOrthArea(p1X, p1Y, p2X, p2Y, x, result) {\n const dX = p2X - p1X;\n const dY = p2Y - p1Y;\n const x1 = x;\n const x2 = x + 1;\n const y1 = p1Y + dY * (x1 - p1X) / dX;\n const y2 = p1Y + dY * (x2 - p1X) / dX;\n if (x1 >= p1X && x1 < p2X || x2 > p1X && x2 <= p2X) {\n if (Math.sign(y1) === Math.sign(y2) || Math.abs(y1) < 1e-4 || Math.abs(y2) < 1e-4) {\n const a = (y1 + y2) / 2;\n if (a < 0) {\n result[0] = Math.abs(a);\n result[1] = 0;\n } else {\n result[0] = 0;\n result[1] = Math.abs(a);\n }\n } else {\n const t = -p1Y * dX / dY + p1X;\n const tInt = Math.trunc(t);\n const a1 = t > p1X ? y1 * (t - tInt) / 2 : 0;\n const a2 = t < p2X ? y2 * (1 - (t - tInt)) / 2 : 0;\n const a = Math.abs(a1) > Math.abs(a2) ? a1 : -a2;\n if (a < 0) {\n result[0] = Math.abs(a1);\n result[1] = Math.abs(a2);\n } else {\n result[0] = Math.abs(a2);\n result[1] = Math.abs(a1);\n }\n }\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n return result;\n}\nfunction getOrthAreaForPattern(pattern, left, right, offset, result) {\n const a1 = area[0];\n const a2 = area[1];\n const o1 = 0.5 + offset;\n const o2 = 0.5 + offset - 1;\n const d = left + right + 1;\n switch (pattern) {\n case 0: {\n result[0] = 0;\n result[1] = 0;\n break;\n }\n case 1: {\n if (left <= right) {\n getOrthArea(0, o2, d / 2, 0, left, result);\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n break;\n }\n case 2: {\n if (left >= right) {\n getOrthArea(d / 2, 0, d, o2, left, result);\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n break;\n }\n case 3: {\n getOrthArea(0, o2, d / 2, 0, left, a1);\n getOrthArea(d / 2, 0, d, o2, left, a2);\n smoothArea(d, area);\n result[0] = a1[0] + a2[0];\n result[1] = a1[1] + a2[1];\n break;\n }\n case 4: {\n if (left <= right) {\n getOrthArea(0, o1, d / 2, 0, left, result);\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n break;\n }\n case 5: {\n result[0] = 0;\n result[1] = 0;\n break;\n }\n case 6: {\n if (Math.abs(offset) > 0) {\n getOrthArea(0, o1, d, o2, left, a1);\n getOrthArea(0, o1, d / 2, 0, left, a2);\n getOrthArea(d / 2, 0, d, o2, left, result);\n a2[0] = a2[0] + result[0];\n a2[1] = a2[1] + result[1];\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n } else {\n getOrthArea(0, o1, d, o2, left, result);\n }\n break;\n }\n case 7: {\n getOrthArea(0, o1, d, o2, left, result);\n break;\n }\n case 8: {\n if (left >= right) {\n getOrthArea(d / 2, 0, d, o1, left, result);\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n break;\n }\n case 9: {\n if (Math.abs(offset) > 0) {\n getOrthArea(0, o2, d, o1, left, a1);\n getOrthArea(0, o2, d / 2, 0, left, a2);\n getOrthArea(d / 2, 0, d, o1, left, result);\n a2[0] = a2[0] + result[0];\n a2[1] = a2[1] + result[1];\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n } else {\n getOrthArea(0, o2, d, o1, left, result);\n }\n break;\n }\n case 10: {\n result[0] = 0;\n result[1] = 0;\n break;\n }\n case 11: {\n getOrthArea(0, o2, d, o1, left, result);\n break;\n }\n case 12: {\n getOrthArea(0, o1, d / 2, 0, left, a1);\n getOrthArea(d / 2, 0, d, o1, left, a2);\n smoothArea(d, area);\n result[0] = a1[0] + a2[0];\n result[1] = a1[1] + a2[1];\n break;\n }\n case 13: {\n getOrthArea(0, o2, d, o1, left, result);\n break;\n }\n case 14: {\n getOrthArea(0, o1, d, o2, left, result);\n break;\n }\n case 15: {\n result[0] = 0;\n result[1] = 0;\n break;\n }\n }\n return result;\n}\nfunction isInsideArea(a1X, a1Y, a2X, a2Y, x, y) {\n let result = a1X === a2X && a1Y === a2Y;\n if (!result) {\n const xm = (a1X + a2X) / 2;\n const ym = (a1Y + a2Y) / 2;\n const a = a2Y - a1Y;\n const b = a1X - a2X;\n const c2 = a * (x - xm) + b * (y - ym);\n result = c2 > 0;\n }\n return result;\n}\nfunction getDiagAreaForPixel(a1X, a1Y, a2X, a2Y, pX, pY) {\n let n = 0;\n for (let y = 0; y < DIAGONAL_SAMPLES; ++y) {\n for (let x = 0; x < DIAGONAL_SAMPLES; ++x) {\n const offsetX = x / (DIAGONAL_SAMPLES - 1);\n const offsetY = y / (DIAGONAL_SAMPLES - 1);\n if (isInsideArea(a1X, a1Y, a2X, a2Y, pX + offsetX, pY + offsetY)) {\n ++n;\n }\n }\n }\n return n / (DIAGONAL_SAMPLES * DIAGONAL_SAMPLES);\n}\nfunction getDiagArea(pattern, a1X, a1Y, a2X, a2Y, left, offset, result) {\n const e = diagonalEdges[pattern];\n const e1 = e[0];\n const e2 = e[1];\n if (e1 > 0) {\n a1X += offset[0];\n a1Y += offset[1];\n }\n if (e2 > 0) {\n a2X += offset[0];\n a2Y += offset[1];\n }\n result[0] = 1 - getDiagAreaForPixel(a1X, a1Y, a2X, a2Y, 1 + left, 0 + left);\n result[1] = getDiagAreaForPixel(a1X, a1Y, a2X, a2Y, 1 + left, 1 + left);\n return result;\n}\nfunction getDiagAreaForPattern(pattern, left, right, offset, result) {\n const a1 = area[0];\n const a2 = area[1];\n const d = left + right + 1;\n switch (pattern) {\n case 0: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 1: {\n getDiagArea(pattern, 1, 0, 0 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 2: {\n getDiagArea(pattern, 0, 0, 1 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 3: {\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, result);\n break;\n }\n case 4: {\n getDiagArea(pattern, 1, 1, 0 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 5: {\n getDiagArea(pattern, 1, 1, 0 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 6: {\n getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, result);\n break;\n }\n case 7: {\n getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 8: {\n getDiagArea(pattern, 0, 0, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 9: {\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, result);\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, result);\n break;\n }\n case 10: {\n getDiagArea(pattern, 0, 0, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 11: {\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 12: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, result);\n break;\n }\n case 13: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 14: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 15: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n }\n return result;\n}\nfunction generatePatterns(patterns, offset, orthogonal) {\n const result = new Float32Array(2);\n for (let i = 0, l = patterns.length; i < l; ++i) {\n const pattern = patterns[i];\n const data = pattern.data;\n const size = pattern.width;\n for (let y = 0; y < size; ++y) {\n for (let x = 0; x < size; ++x) {\n if (orthogonal) {\n getOrthAreaForPattern(i, x, y, offset, result);\n } else {\n getDiagAreaForPattern(i, x, y, offset, result);\n }\n const c2 = (y * size + x) * 2;\n data[c2] = result[0] * 255;\n data[c2 + 1] = result[1] * 255;\n }\n }\n }\n}\nfunction assemble(baseX, baseY, patterns, edges2, size, orthogonal, target) {\n const dstData = target.data;\n const dstWidth = target.width;\n for (let i = 0, l = patterns.length; i < l; ++i) {\n const edge = edges2[i];\n const pattern = patterns[i];\n const srcData = pattern.data;\n const srcWidth = pattern.width;\n for (let y = 0; y < size; ++y) {\n for (let x = 0; x < size; ++x) {\n const pX = edge[0] * size + baseX + x;\n const pY = edge[1] * size + baseY + y;\n const c2 = (pY * dstWidth + pX) * 4;\n const d = orthogonal ? (y * y * srcWidth + x * x) * 2 : (y * srcWidth + x) * 2;\n dstData[c2] = srcData[d];\n dstData[c2 + 1] = srcData[d + 1];\n dstData[c2 + 2] = 0;\n dstData[c2 + 3] = 255;\n }\n }\n }\n}\nvar SMAAAreaImageData = class {\n static generate() {\n const width = 2 * 5 * ORTHOGONAL_SIZE;\n const height = orthogonalSubsamplingOffsets.length * 5 * ORTHOGONAL_SIZE;\n const data = new Uint8ClampedArray(width * height * 4);\n const result = new RawImageData(width, height, data);\n const orthPatternSize = Math.pow(ORTHOGONAL_SIZE - 1, 2) + 1;\n const diagPatternSize = DIAGONAL_SIZE;\n const orthogonalPatterns = [];\n const diagonalPatterns = [];\n for (let i = 3, l = data.length; i < l; i += 4) {\n data[i] = 255;\n }\n for (let i = 0; i < 16; ++i) {\n orthogonalPatterns.push(new RawImageData(\n orthPatternSize,\n orthPatternSize,\n new Uint8ClampedArray(orthPatternSize * orthPatternSize * 2),\n 2\n ));\n diagonalPatterns.push(new RawImageData(\n diagPatternSize,\n diagPatternSize,\n new Uint8ClampedArray(diagPatternSize * diagPatternSize * 2),\n 2\n ));\n }\n for (let i = 0, l = orthogonalSubsamplingOffsets.length; i < l; ++i) {\n generatePatterns(orthogonalPatterns, orthogonalSubsamplingOffsets[i], true);\n assemble(\n 0,\n 5 * ORTHOGONAL_SIZE * i,\n orthogonalPatterns,\n orthogonalEdges,\n ORTHOGONAL_SIZE,\n true,\n result\n );\n }\n for (let i = 0, l = diagonalSubsamplingOffsets.length; i < l; ++i) {\n generatePatterns(diagonalPatterns, diagonalSubsamplingOffsets[i], false);\n assemble(\n 5 * ORTHOGONAL_SIZE,\n 4 * DIAGONAL_SIZE * i,\n diagonalPatterns,\n diagonalEdges,\n DIAGONAL_SIZE,\n false,\n result\n );\n }\n return result;\n }\n};\n\n// src/textures/smaa/SMAAImageGenerator.js\nimport { LoadingManager } from \"three\";\n\n// tmp/smaa/worker.txt\nvar worker_default2 = '\"use strict\";(()=>{function q(t,a,s){let e=document.createElement(\"canvas\"),n=e.getContext(\"2d\");if(e.width=t,e.height=a,s instanceof Image)n.drawImage(s,0,0);else{let r=n.createImageData(t,a);r.data.set(s),n.putImageData(r,0,0)}return e}var m=class{constructor(a=0,s=0,e=null){this.width=a,this.height=s,this.data=e}toCanvas(){return typeof document==\"undefined\"?null:q(this.width,this.height,this.data)}static from(a){let{width:s,height:e}=a,n;if(a instanceof Image){let r=q(s,e,a);r!==null&&(n=r.getContext(\"2d\").getImageData(0,0,s,e).data)}else n=a.data;return new m(s,e,n)}};var M=[new Float32Array(2),new Float32Array(2)],D=16,W=20,I=30,j=32,v=new Float32Array([0,-.25,.25,-.125,.125,-.375,.375]),N=[new Float32Array([0,0]),new Float32Array([.25,-.25]),new Float32Array([-.25,.25]),new Float32Array([.125,-.125]),new Float32Array([-.125,.125])],z=[new Uint8Array([0,0]),new Uint8Array([3,0]),new Uint8Array([0,3]),new Uint8Array([3,3]),new Uint8Array([1,0]),new Uint8Array([4,0]),new Uint8Array([1,3]),new Uint8Array([4,3]),new Uint8Array([0,1]),new Uint8Array([3,1]),new Uint8Array([0,4]),new Uint8Array([3,4]),new Uint8Array([1,1]),new Uint8Array([4,1]),new Uint8Array([1,4]),new Uint8Array([4,4])],R=[new Uint8Array([0,0]),new Uint8Array([1,0]),new Uint8Array([0,2]),new Uint8Array([1,2]),new Uint8Array([2,0]),new Uint8Array([3,0]),new Uint8Array([2,2]),new Uint8Array([3,2]),new Uint8Array([0,1]),new Uint8Array([1,1]),new Uint8Array([0,3]),new Uint8Array([1,3]),new Uint8Array([2,1]),new Uint8Array([3,1]),new Uint8Array([2,3]),new Uint8Array([3,3])];function C(t,a,s){return t+(a-t)*s}function B(t){return Math.min(Math.max(t,0),1)}function _(t){let a=M[0],s=M[1],e=Math.sqrt(a[0]*2)*.5,n=Math.sqrt(a[1]*2)*.5,r=Math.sqrt(s[0]*2)*.5,o=Math.sqrt(s[1]*2)*.5,c=B(t/j);a[0]=C(e,a[0],c),a[1]=C(n,a[1],c),s[0]=C(r,s[0],c),s[1]=C(o,s[1],c)}function d(t,a,s,e,n,r){let o=s-t,c=e-a,h=n,i=n+1,w=a+c*(h-t)/o,g=a+c*(i-t)/o;if(h>=t&&ht&&i<=s)if(Math.sign(w)===Math.sign(g)||Math.abs(w)<1e-4||Math.abs(g)<1e-4){let b=(w+g)/2;b<0?(r[0]=Math.abs(b),r[1]=0):(r[0]=0,r[1]=Math.abs(b))}else{let b=-a*o/c+t,F=Math.trunc(b),k=b>t?w*(b-F)/2:0,U=bMath.abs(U)?k:-U)<0?(r[0]=Math.abs(k),r[1]=Math.abs(U)):(r[0]=Math.abs(U),r[1]=Math.abs(k))}else r[0]=0,r[1]=0;return r}function J(t,a,s,e,n){let r=M[0],o=M[1],c=.5+e,h=.5+e-1,i=a+s+1;switch(t){case 0:{n[0]=0,n[1]=0;break}case 1:{a<=s?d(0,h,i/2,0,a,n):(n[0]=0,n[1]=0);break}case 2:{a>=s?d(i/2,0,i,h,a,n):(n[0]=0,n[1]=0);break}case 3:{d(0,h,i/2,0,a,r),d(i/2,0,i,h,a,o),_(i,M),n[0]=r[0]+o[0],n[1]=r[1]+o[1];break}case 4:{a<=s?d(0,c,i/2,0,a,n):(n[0]=0,n[1]=0);break}case 5:{n[0]=0,n[1]=0;break}case 6:{Math.abs(e)>0?(d(0,c,i,h,a,r),d(0,c,i/2,0,a,o),d(i/2,0,i,h,a,n),o[0]=o[0]+n[0],o[1]=o[1]+n[1],n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2):d(0,c,i,h,a,n);break}case 7:{d(0,c,i,h,a,n);break}case 8:{a>=s?d(i/2,0,i,c,a,n):(n[0]=0,n[1]=0);break}case 9:{Math.abs(e)>0?(d(0,h,i,c,a,r),d(0,h,i/2,0,a,o),d(i/2,0,i,c,a,n),o[0]=o[0]+n[0],o[1]=o[1]+n[1],n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2):d(0,h,i,c,a,n);break}case 10:{n[0]=0,n[1]=0;break}case 11:{d(0,h,i,c,a,n);break}case 12:{d(0,c,i/2,0,a,r),d(i/2,0,i,c,a,o),_(i,M),n[0]=r[0]+o[0],n[1]=r[1]+o[1];break}case 13:{d(0,h,i,c,a,n);break}case 14:{d(0,c,i,h,a,n);break}case 15:{n[0]=0,n[1]=0;break}}return n}function K(t,a,s,e,n,r){let o=t===s&&a===e;if(!o){let c=(t+s)/2,h=(a+e)/2,i=e-a,w=t-s;o=i*(n-c)+w*(r-h)>0}return o}function G(t,a,s,e,n,r){let o=0;for(let c=0;c0&&(a+=o[0],s+=o[1]),w>0&&(e+=o[0],n+=o[1]),c[0]=1-G(a,s,e,n,1+r,0+r),c[1]=G(a,s,e,n,1+r,1+r),c}function Q(t,a,s,e,n){let r=M[0],o=M[1],c=a+s+1;switch(t){case 0:{A(t,1,1,1+c,1+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 1:{A(t,1,0,0+c,0+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 2:{A(t,0,0,1+c,0+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 3:{A(t,1,0,1+c,0+c,a,e,n);break}case 4:{A(t,1,1,0+c,0+c,a,e,r),A(t,1,1,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 5:{A(t,1,1,0+c,0+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 6:{A(t,1,1,1+c,0+c,a,e,n);break}case 7:{A(t,1,1,1+c,0+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 8:{A(t,0,0,1+c,1+c,a,e,r),A(t,1,0,1+c,1+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 9:{A(t,1,0,1+c,1+c,a,e,n),A(t,1,0,1+c,1+c,a,e,n);break}case 10:{A(t,0,0,1+c,1+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 11:{A(t,1,0,1+c,1+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 12:{A(t,1,1,1+c,1+c,a,e,n);break}case 13:{A(t,1,1,1+c,1+c,a,e,r),A(t,1,0,1+c,1+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 14:{A(t,1,1,1+c,1+c,a,e,r),A(t,1,1,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 15:{A(t,1,1,1+c,1+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}}return n}function T(t,a,s){let e=new Float32Array(2);for(let n=0,r=t.length;n{let a=S.generate(),s=E.generate();postMessage({areaImageData:a,searchImageData:s},[a.data.buffer,s.data.buffer]),close()});})();\\n';\n\n// src/textures/smaa/SMAAImageGenerator.js\nfunction generate(useCache = true) {\n const workerURL = URL.createObjectURL(new Blob([worker_default2], {\n type: \"text/javascript\"\n }));\n const worker = new Worker(workerURL);\n URL.revokeObjectURL(workerURL);\n return new Promise((resolve, reject) => {\n worker.addEventListener(\"error\", (event) => reject(event.error));\n worker.addEventListener(\"message\", (event) => {\n const searchImageData = RawImageData.from(event.data.searchImageData);\n const areaImageData = RawImageData.from(event.data.areaImageData);\n const urls = [\n searchImageData.toCanvas().toDataURL(\"image/png\", 1),\n areaImageData.toCanvas().toDataURL(\"image/png\", 1)\n ];\n if (useCache) {\n localStorage.setItem(\"smaa-search\", urls[0]);\n localStorage.setItem(\"smaa-area\", urls[1]);\n }\n resolve(urls);\n });\n worker.postMessage(null);\n });\n}\nvar SMAAImageGenerator = class {\n constructor() {\n this.disableCache = false;\n }\n setCacheEnabled(value) {\n this.disableCache = !value;\n }\n generate() {\n const useCache = !this.disableCache && window.localStorage !== void 0;\n const cachedURLs = useCache ? [\n localStorage.getItem(\"smaa-search\"),\n localStorage.getItem(\"smaa-area\")\n ] : [null, null];\n const promise = cachedURLs[0] !== null && cachedURLs[1] !== null ? Promise.resolve(cachedURLs) : generate(useCache);\n return promise.then((urls) => {\n return new Promise((resolve, reject) => {\n const searchImage = new Image();\n const areaImage = new Image();\n const manager = new LoadingManager();\n manager.onLoad = () => resolve([searchImage, areaImage]);\n manager.onError = reject;\n searchImage.addEventListener(\"error\", (e) => manager.itemError(\"smaa-search\"));\n areaImage.addEventListener(\"error\", (e) => manager.itemError(\"smaa-area\"));\n searchImage.addEventListener(\"load\", () => manager.itemEnd(\"smaa-search\"));\n areaImage.addEventListener(\"load\", () => manager.itemEnd(\"smaa-area\"));\n manager.itemStart(\"smaa-search\");\n manager.itemStart(\"smaa-area\");\n searchImage.src = urls[0];\n areaImage.src = urls[1];\n });\n });\n }\n};\n\n// src/textures/smaa/SMAASearchImageData.js\nvar edges = /* @__PURE__ */ new Map([\n [bilinear(0, 0, 0, 0), new Float32Array([0, 0, 0, 0])],\n [bilinear(0, 0, 0, 1), new Float32Array([0, 0, 0, 1])],\n [bilinear(0, 0, 1, 0), new Float32Array([0, 0, 1, 0])],\n [bilinear(0, 0, 1, 1), new Float32Array([0, 0, 1, 1])],\n [bilinear(0, 1, 0, 0), new Float32Array([0, 1, 0, 0])],\n [bilinear(0, 1, 0, 1), new Float32Array([0, 1, 0, 1])],\n [bilinear(0, 1, 1, 0), new Float32Array([0, 1, 1, 0])],\n [bilinear(0, 1, 1, 1), new Float32Array([0, 1, 1, 1])],\n [bilinear(1, 0, 0, 0), new Float32Array([1, 0, 0, 0])],\n [bilinear(1, 0, 0, 1), new Float32Array([1, 0, 0, 1])],\n [bilinear(1, 0, 1, 0), new Float32Array([1, 0, 1, 0])],\n [bilinear(1, 0, 1, 1), new Float32Array([1, 0, 1, 1])],\n [bilinear(1, 1, 0, 0), new Float32Array([1, 1, 0, 0])],\n [bilinear(1, 1, 0, 1), new Float32Array([1, 1, 0, 1])],\n [bilinear(1, 1, 1, 0), new Float32Array([1, 1, 1, 0])],\n [bilinear(1, 1, 1, 1), new Float32Array([1, 1, 1, 1])]\n]);\nfunction lerp2(a, b, p) {\n return a + (b - a) * p;\n}\nfunction bilinear(e0, e1, e2, e3) {\n const a = lerp2(e0, e1, 1 - 0.25);\n const b = lerp2(e2, e3, 1 - 0.25);\n return lerp2(a, b, 1 - 0.125);\n}\nfunction deltaLeft(left, top) {\n let d = 0;\n if (top[3] === 1) {\n d += 1;\n }\n if (d === 1 && top[2] === 1 && left[1] !== 1 && left[3] !== 1) {\n d += 1;\n }\n return d;\n}\nfunction deltaRight(left, top) {\n let d = 0;\n if (top[3] === 1 && left[1] !== 1 && left[3] !== 1) {\n d += 1;\n }\n if (d === 1 && top[2] === 1 && left[0] !== 1 && left[2] !== 1) {\n d += 1;\n }\n return d;\n}\nvar SMAASearchImageData = class {\n static generate() {\n const width = 66;\n const height = 33;\n const halfWidth = width / 2;\n const croppedWidth = 64;\n const croppedHeight = 16;\n const data = new Uint8ClampedArray(width * height);\n const croppedData = new Uint8ClampedArray(croppedWidth * croppedHeight * 4);\n for (let y = 0; y < height; ++y) {\n for (let x = 0; x < width; ++x) {\n const s = 0.03125 * x;\n const t = 0.03125 * y;\n if (edges.has(s) && edges.has(t)) {\n const e1 = edges.get(s);\n const e2 = edges.get(t);\n const i = y * width + x;\n data[i] = 127 * deltaLeft(e1, e2);\n data[i + halfWidth] = 127 * deltaRight(e1, e2);\n }\n }\n }\n for (let i = 0, y = height - croppedHeight; y < height; ++y) {\n for (let x = 0; x < croppedWidth; ++x, i += 4) {\n croppedData[i] = data[y * width + x];\n croppedData[i + 3] = 255;\n }\n }\n return new RawImageData(croppedWidth, croppedHeight, croppedData);\n }\n};\n\n// src/effects/glsl/lut-3d.frag\nvar lut_3d_default = \"uniform vec3 scale;uniform vec3 offset;\\n#ifdef CUSTOM_INPUT_DOMAIN\\nuniform vec3 domainMin;uniform vec3 domainMax;\\n#endif\\n#ifdef LUT_3D\\n#ifdef LUT_PRECISION_HIGH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler3D lut;\\n#else\\nuniform mediump sampler3D lut;\\n#endif\\n#else\\nuniform lowp sampler3D lut;\\n#endif\\nvec4 applyLUT(const in vec3 rgb){\\n#ifdef TETRAHEDRAL_INTERPOLATION\\nvec3 p=floor(rgb);vec3 f=rgb-p;vec3 v1=(p+0.5)*LUT_TEXEL_WIDTH;vec3 v4=(p+1.5)*LUT_TEXEL_WIDTH;vec3 v2,v3;vec3 frac;if(f.r>=f.g){if(f.g>f.b){frac=f.rgb;v2=vec3(v4.x,v1.y,v1.z);v3=vec3(v4.x,v4.y,v1.z);}else if(f.r>=f.b){frac=f.rbg;v2=vec3(v4.x,v1.y,v1.z);v3=vec3(v4.x,v1.y,v4.z);}else{frac=f.brg;v2=vec3(v1.x,v1.y,v4.z);v3=vec3(v4.x,v1.y,v4.z);}}else{if(f.b>f.g){frac=f.bgr;v2=vec3(v1.x,v1.y,v4.z);v3=vec3(v1.x,v4.y,v4.z);}else if(f.r>=f.b){frac=f.grb;v2=vec3(v1.x,v4.y,v1.z);v3=vec3(v4.x,v4.y,v1.z);}else{frac=f.gbr;v2=vec3(v1.x,v4.y,v1.z);v3=vec3(v1.x,v4.y,v4.z);}}vec4 n1=texture(lut,v1);vec4 n2=texture(lut,v2);vec4 n3=texture(lut,v3);vec4 n4=texture(lut,v4);vec4 weights=vec4(1.0-frac.x,frac.x-frac.y,frac.y-frac.z,frac.z);vec4 result=weights*mat4(vec4(n1.r,n2.r,n3.r,n4.r),vec4(n1.g,n2.g,n3.g,n4.g),vec4(n1.b,n2.b,n3.b,n4.b),vec4(1.0));return vec4(result.rgb,1.0);\\n#else\\nreturn texture(lut,rgb);\\n#endif\\n}\\n#else\\n#ifdef LUT_PRECISION_HIGH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D lut;\\n#else\\nuniform mediump sampler2D lut;\\n#endif\\n#else\\nuniform lowp sampler2D lut;\\n#endif\\nvec4 applyLUT(const in vec3 rgb){float slice=rgb.b*LUT_SIZE;float slice0=floor(slice);float interp=slice-slice0;float centeredInterp=interp-0.5;float slice1=slice0+sign(centeredInterp);\\n#ifdef LUT_STRIP_HORIZONTAL\\nfloat xOffset=clamp(rgb.r*LUT_TEXEL_HEIGHT,LUT_TEXEL_WIDTH*0.5,LUT_TEXEL_HEIGHT-LUT_TEXEL_WIDTH*0.5);vec2 uv0=vec2(slice0*LUT_TEXEL_HEIGHT+xOffset,rgb.g);vec2 uv1=vec2(slice1*LUT_TEXEL_HEIGHT+xOffset,rgb.g);\\n#else\\nfloat yOffset=clamp(rgb.g*LUT_TEXEL_WIDTH,LUT_TEXEL_HEIGHT*0.5,LUT_TEXEL_WIDTH-LUT_TEXEL_HEIGHT*0.5);vec2 uv0=vec2(rgb.r,slice0*LUT_TEXEL_WIDTH+yOffset);vec2 uv1=vec2(rgb.r,slice1*LUT_TEXEL_WIDTH+yOffset);\\n#endif\\nvec4 sample0=texture2D(lut,uv0);vec4 sample1=texture2D(lut,uv1);return mix(sample0,sample1,abs(centeredInterp));}\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 c=inputColor.rgb;\\n#ifdef CUSTOM_INPUT_DOMAIN\\nif(c.r>=domainMin.r&&c.g>=domainMin.g&&c.b>=domainMin.b&&c.r<=domainMax.r&&c.g<=domainMax.g&&c.b<=domainMax.b){c=applyLUT(scale*c+offset).rgb;}else{c=inputColor.rgb;}\\n#else\\n#if !defined(LUT_3D) || defined(TETRAHEDRAL_INTERPOLATION)\\nc=clamp(c,0.0,1.0);\\n#endif\\nc=applyLUT(scale*c+offset).rgb;\\n#endif\\noutputColor=vec4(c,inputColor.a);}\";\n\n// src/effects/LUT3DEffect.js\nvar LUT3DEffect = class extends Effect {\n constructor(lut, {\n blendFunction = BlendFunction.SRC,\n tetrahedralInterpolation = false,\n inputEncoding = sRGBEncoding14\n } = {}) {\n super(\"LUT3DEffect\", lut_3d_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"lut\", new Uniform37(null)],\n [\"scale\", new Uniform37(new Vector34())],\n [\"offset\", new Uniform37(new Vector34())],\n [\"domainMin\", new Uniform37(null)],\n [\"domainMax\", new Uniform37(null)]\n ])\n });\n this.tetrahedralInterpolation = tetrahedralInterpolation;\n this.inputColorSpace = inputEncoding;\n this.lut = lut;\n }\n get inputEncoding() {\n return this.inputColorSpace;\n }\n set inputEncoding(value) {\n this.inputColorSpace = value;\n }\n getInputEncoding() {\n return this.inputColorSpace;\n }\n setInputEncoding(value) {\n this.inputColorSpace = value;\n }\n getOutputEncoding() {\n return this.outputColorSpace;\n }\n get lut() {\n return this.uniforms.get(\"lut\").value;\n }\n set lut(value) {\n const defines = this.defines;\n const uniforms = this.uniforms;\n if (this.lut !== value) {\n uniforms.get(\"lut\").value = value;\n if (value !== null) {\n const image = value.image;\n const tetrahedralInterpolation = this.tetrahedralInterpolation;\n defines.clear();\n defines.set(\"LUT_SIZE\", Math.min(image.width, image.height).toFixed(16));\n defines.set(\"LUT_TEXEL_WIDTH\", (1 / image.width).toFixed(16));\n defines.set(\"LUT_TEXEL_HEIGHT\", (1 / image.height).toFixed(16));\n uniforms.get(\"domainMin\").value = null;\n uniforms.get(\"domainMax\").value = null;\n if (value.type === FloatType6 || value.type === HalfFloatType2) {\n defines.set(\"LUT_PRECISION_HIGH\", \"1\");\n }\n if (image.width > image.height) {\n defines.set(\"LUT_STRIP_HORIZONTAL\", \"1\");\n } else if (value instanceof DataTexture3D2) {\n defines.set(\"LUT_3D\", \"1\");\n }\n if (value instanceof LookupTexture) {\n const min = value.domainMin;\n const max = value.domainMax;\n if (min.x !== 0 || min.y !== 0 || min.z !== 0 || max.x !== 1 || max.y !== 1 || max.z !== 1) {\n defines.set(\"CUSTOM_INPUT_DOMAIN\", \"1\");\n uniforms.get(\"domainMin\").value = min.clone();\n uniforms.get(\"domainMax\").value = max.clone();\n }\n }\n this.tetrahedralInterpolation = tetrahedralInterpolation;\n }\n }\n }\n getLUT() {\n return this.lut;\n }\n setLUT(value) {\n this.lut = value;\n }\n updateScaleOffset() {\n const lut = this.lut;\n if (lut !== null) {\n const size = Math.min(lut.image.width, lut.image.height);\n const scale = this.uniforms.get(\"scale\").value;\n const offset = this.uniforms.get(\"offset\").value;\n if (this.tetrahedralInterpolation && lut instanceof DataTexture3D2) {\n if (this.defines.has(\"CUSTOM_INPUT_DOMAIN\")) {\n const domainScale = lut.domainMax.clone().sub(lut.domainMin);\n scale.setScalar(size - 1).divide(domainScale);\n offset.copy(lut.domainMin).negate().multiply(scale);\n } else {\n scale.setScalar(size - 1);\n offset.setScalar(0);\n }\n } else {\n if (this.defines.has(\"CUSTOM_INPUT_DOMAIN\")) {\n const domainScale = lut.domainMax.clone().sub(lut.domainMin).multiplyScalar(size);\n scale.setScalar(size - 1).divide(domainScale);\n offset.copy(lut.domainMin).negate().multiply(scale).addScalar(1 / (2 * size));\n } else {\n scale.setScalar((size - 1) / size);\n offset.setScalar(1 / (2 * size));\n }\n }\n }\n }\n configureTetrahedralInterpolation() {\n const lut = this.lut;\n if (lut !== null) {\n lut.minFilter = LinearFilter4;\n lut.magFilter = LinearFilter4;\n if (this.tetrahedralInterpolation) {\n if (lut instanceof DataTexture3D2) {\n lut.minFilter = NearestFilter7;\n lut.magFilter = NearestFilter7;\n } else {\n console.warn(\"Tetrahedral interpolation requires a 3D texture\");\n }\n }\n if (lut.source === void 0) {\n lut.needsUpdate = true;\n }\n }\n }\n get tetrahedralInterpolation() {\n return this.defines.has(\"TETRAHEDRAL_INTERPOLATION\");\n }\n set tetrahedralInterpolation(value) {\n if (value) {\n this.defines.set(\"TETRAHEDRAL_INTERPOLATION\", \"1\");\n } else {\n this.defines.delete(\"TETRAHEDRAL_INTERPOLATION\");\n }\n this.configureTetrahedralInterpolation();\n this.updateScaleOffset();\n this.setChanged();\n }\n setTetrahedralInterpolationEnabled(value) {\n this.tetrahedralInterpolation = value;\n }\n};\n\n// src/effects/glsl/noise.frag\nvar noise_default = \"void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 noise=vec3(rand(uv*time));\\n#ifdef PREMULTIPLY\\noutputColor=vec4(min(inputColor.rgb*noise,vec3(1.0)),inputColor.a);\\n#else\\noutputColor=vec4(noise,inputColor.a);\\n#endif\\n}\";\n\n// src/effects/NoiseEffect.js\nvar NoiseEffect = class extends Effect {\n constructor({ blendFunction = BlendFunction.SCREEN, premultiply = false } = {}) {\n super(\"NoiseEffect\", noise_default, { blendFunction });\n this.premultiply = premultiply;\n }\n get premultiply() {\n return this.defines.has(\"PREMULTIPLY\");\n }\n set premultiply(value) {\n if (this.premultiply !== value) {\n if (value) {\n this.defines.set(\"PREMULTIPLY\", \"1\");\n } else {\n this.defines.delete(\"PREMULTIPLY\");\n }\n this.setChanged();\n }\n }\n isPremultiplied() {\n return this.premultiply;\n }\n setPremultiplied(value) {\n this.premultiply = value;\n }\n};\n\n// src/effects/OutlineEffect.js\nimport { Color as Color6, RepeatWrapping as RepeatWrapping2, Uniform as Uniform38, UnsignedByteType as UnsignedByteType16, WebGLRenderTarget as WebGLRenderTarget18 } from \"three\";\n\n// src/effects/glsl/outline.frag\nvar outline_default3 = \"uniform lowp sampler2D edgeTexture;uniform lowp sampler2D maskTexture;uniform vec3 visibleEdgeColor;uniform vec3 hiddenEdgeColor;uniform float pulse;uniform float edgeStrength;\\n#ifdef USE_PATTERN\\nuniform lowp sampler2D patternTexture;varying vec2 vUvPattern;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec2 edge=texture2D(edgeTexture,uv).rg;vec2 mask=texture2D(maskTexture,uv).rg;\\n#ifndef X_RAY\\nedge.y=0.0;\\n#endif\\nedge*=(edgeStrength*mask.x*pulse);vec3 color=edge.x*visibleEdgeColor+edge.y*hiddenEdgeColor;float visibilityFactor=0.0;\\n#ifdef USE_PATTERN\\nvec4 patternColor=texelToLinear(texture2D(patternTexture,vUvPattern));\\n#ifdef X_RAY\\nfloat hiddenFactor=0.5;\\n#else\\nfloat hiddenFactor=0.0;\\n#endif\\nvisibilityFactor=(1.0-mask.y>0.0)?1.0:hiddenFactor;visibilityFactor*=(1.0-mask.x)*patternColor.a;color+=visibilityFactor*patternColor.rgb;\\n#endif\\nfloat alpha=max(max(edge.x,edge.y),visibilityFactor);\\n#ifdef ALPHA\\noutputColor=vec4(color,alpha);\\n#else\\noutputColor=vec4(color,max(alpha,inputColor.a));\\n#endif\\n}\";\n\n// src/effects/glsl/outline.vert\nvar outline_default4 = \"uniform float patternScale;varying vec2 vUvPattern;void mainSupport(const in vec2 uv){vUvPattern=uv*vec2(aspect,1.0)*patternScale;}\";\n\n// src/effects/OutlineEffect.js\nvar OutlineEffect = class extends Effect {\n constructor(scene, camera, {\n blendFunction = BlendFunction.SCREEN,\n patternTexture = null,\n patternScale = 1,\n edgeStrength = 1,\n pulseSpeed = 0,\n visibleEdgeColor = 16777215,\n hiddenEdgeColor = 2230538,\n kernelSize = KernelSize.VERY_SMALL,\n blur = false,\n xRay = true,\n multisampling = 0,\n resolutionScale = 0.5,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"OutlineEffect\", outline_default3, {\n uniforms: /* @__PURE__ */ new Map([\n [\"maskTexture\", new Uniform38(null)],\n [\"edgeTexture\", new Uniform38(null)],\n [\"edgeStrength\", new Uniform38(edgeStrength)],\n [\"visibleEdgeColor\", new Uniform38(new Color6(visibleEdgeColor))],\n [\"hiddenEdgeColor\", new Uniform38(new Color6(hiddenEdgeColor))],\n [\"pulse\", new Uniform38(1)],\n [\"patternScale\", new Uniform38(patternScale)],\n [\"patternTexture\", new Uniform38(null)]\n ])\n });\n this.blendMode.addEventListener(\"change\", (event) => {\n if (this.blendMode.getBlendFunction() === BlendFunction.ALPHA) {\n this.defines.set(\"ALPHA\", \"1\");\n } else {\n this.defines.delete(\"ALPHA\");\n }\n this.setChanged();\n });\n this.blendMode.setBlendFunction(blendFunction);\n this.patternTexture = patternTexture;\n this.xRay = xRay;\n this.scene = scene;\n this.camera = camera;\n this.renderTargetMask = new WebGLRenderTarget18(1, 1);\n this.renderTargetMask.samples = multisampling;\n this.renderTargetMask.texture.name = \"Outline.Mask\";\n this.uniforms.get(\"maskTexture\").value = this.renderTargetMask.texture;\n this.renderTargetOutline = new WebGLRenderTarget18(1, 1, { depthBuffer: false });\n this.renderTargetOutline.texture.name = \"Outline.Edges\";\n this.uniforms.get(\"edgeTexture\").value = this.renderTargetOutline.texture;\n this.clearPass = new ClearPass();\n this.clearPass.overrideClearColor = new Color6(0);\n this.clearPass.overrideClearAlpha = 1;\n this.depthPass = new DepthPass(scene, camera);\n this.maskPass = new RenderPass(scene, camera, new DepthComparisonMaterial(this.depthPass.texture, camera));\n const clearPass = this.maskPass.clearPass;\n clearPass.overrideClearColor = new Color6(16777215);\n clearPass.overrideClearAlpha = 1;\n this.blurPass = new KawaseBlurPass({ resolutionScale, resolutionX, resolutionY, kernelSize });\n this.blurPass.enabled = blur;\n const resolution = this.blurPass.resolution;\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.outlinePass = new ShaderPass(new OutlineMaterial());\n const outlineMaterial = this.outlinePass.fullscreenMaterial;\n outlineMaterial.inputBuffer = this.renderTargetMask.texture;\n this.time = 0;\n this.active = false;\n this.selection = new Selection();\n this.selection.layer = 10;\n this.pulseSpeed = pulseSpeed;\n }\n set mainScene(value) {\n this.scene = value;\n this.depthPass.mainScene = value;\n this.maskPass.mainScene = value;\n }\n set mainCamera(value) {\n this.camera = value;\n this.depthPass.mainCamera = value;\n this.maskPass.mainCamera = value;\n this.maskPass.overrideMaterial.copyCameraSettings(value);\n }\n get resolution() {\n return this.blurPass.resolution;\n }\n getResolution() {\n return this.blurPass.getResolution();\n }\n get multisampling() {\n return this.renderTargetMask.samples;\n }\n set multisampling(value) {\n this.renderTargetMask.samples = value;\n this.renderTargetMask.dispose();\n }\n get patternScale() {\n return this.uniforms.get(\"patternScale\").value;\n }\n set patternScale(value) {\n this.uniforms.get(\"patternScale\").value = value;\n }\n get edgeStrength() {\n return this.uniforms.get(\"edgeStrength\").value;\n }\n set edgeStrength(value) {\n this.uniforms.get(\"edgeStrength\").value = value;\n }\n get visibleEdgeColor() {\n return this.uniforms.get(\"visibleEdgeColor\").value;\n }\n set visibleEdgeColor(value) {\n this.uniforms.get(\"visibleEdgeColor\").value = value;\n }\n get hiddenEdgeColor() {\n return this.uniforms.get(\"hiddenEdgeColor\").value;\n }\n set hiddenEdgeColor(value) {\n this.uniforms.get(\"hiddenEdgeColor\").value = value;\n }\n getBlurPass() {\n return this.blurPass;\n }\n getSelection() {\n return this.selection;\n }\n getPulseSpeed() {\n return this.pulseSpeed;\n }\n setPulseSpeed(value) {\n this.pulseSpeed = value;\n }\n get width() {\n return this.resolution.width;\n }\n set width(value) {\n this.resolution.preferredWidth = value;\n }\n get height() {\n return this.resolution.height;\n }\n set height(value) {\n this.resolution.preferredHeight = value;\n }\n get selectionLayer() {\n return this.selection.layer;\n }\n set selectionLayer(value) {\n this.selection.layer = value;\n }\n get dithering() {\n return this.blurPass.dithering;\n }\n set dithering(value) {\n this.blurPass.dithering = value;\n }\n get kernelSize() {\n return this.blurPass.kernelSize;\n }\n set kernelSize(value) {\n this.blurPass.kernelSize = value;\n }\n get blur() {\n return this.blurPass.enabled;\n }\n set blur(value) {\n this.blurPass.enabled = value;\n }\n get xRay() {\n return this.defines.has(\"X_RAY\");\n }\n set xRay(value) {\n if (this.xRay !== value) {\n if (value) {\n this.defines.set(\"X_RAY\", \"1\");\n } else {\n this.defines.delete(\"X_RAY\");\n }\n this.setChanged();\n }\n }\n isXRayEnabled() {\n return this.xRay;\n }\n setXRayEnabled(value) {\n this.xRay = value;\n }\n get patternTexture() {\n return this.uniforms.get(\"patternTexture\").value;\n }\n set patternTexture(value) {\n if (value !== null) {\n value.wrapS = value.wrapT = RepeatWrapping2;\n this.defines.set(\"USE_PATTERN\", \"1\");\n this.setVertexShader(outline_default4);\n } else {\n this.defines.delete(\"USE_PATTERN\");\n this.setVertexShader(null);\n }\n if (this.renderer !== null) {\n const decoding = getTextureDecoding(value, this.renderer.capabilities.isWebGL2);\n this.defines.set(\"texelToLinear(texel)\", decoding);\n }\n this.uniforms.get(\"patternTexture\").value = value;\n this.setChanged();\n }\n setPatternTexture(value) {\n this.patternTexture = value;\n }\n getResolutionScale() {\n return this.resolution.scale;\n }\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n setSelection(objects) {\n this.selection.set(objects);\n return this;\n }\n clearSelection() {\n this.selection.clear();\n return this;\n }\n selectObject(object) {\n this.selection.add(object);\n return this;\n }\n deselectObject(object) {\n this.selection.delete(object);\n return this;\n }\n update(renderer, inputBuffer, deltaTime) {\n const scene = this.scene;\n const camera = this.camera;\n const selection = this.selection;\n const uniforms = this.uniforms;\n const pulse = uniforms.get(\"pulse\");\n const background = scene.background;\n const mask = camera.layers.mask;\n if (selection.size > 0) {\n scene.background = null;\n pulse.value = 1;\n if (this.pulseSpeed > 0) {\n pulse.value = Math.cos(this.time * this.pulseSpeed * 10) * 0.375 + 0.625;\n }\n this.active = true;\n this.time += deltaTime;\n selection.setVisible(false);\n this.depthPass.render(renderer);\n selection.setVisible(true);\n camera.layers.set(selection.layer);\n this.maskPass.render(renderer, this.renderTargetMask);\n camera.layers.mask = mask;\n scene.background = background;\n this.outlinePass.render(renderer, null, this.renderTargetOutline);\n if (this.blurPass.enabled) {\n this.blurPass.render(renderer, this.renderTargetOutline, this.renderTargetOutline);\n }\n } else if (this.active) {\n this.clearPass.render(renderer, this.renderTargetOutline);\n this.active = false;\n }\n }\n setSize(width, height) {\n this.blurPass.setSize(width, height);\n this.renderTargetMask.setSize(width, height);\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.depthPass.setSize(w, h);\n this.renderTargetOutline.setSize(w, h);\n this.outlinePass.fullscreenMaterial.setSize(w, h);\n }\n initialize(renderer, alpha, frameBufferType) {\n const texture = this.patternTexture;\n const decoding = getTextureDecoding(texture, renderer.capabilities.isWebGL2);\n this.defines.set(\"texelToLinear(texel)\", decoding);\n this.blurPass.initialize(renderer, alpha, UnsignedByteType16);\n if (frameBufferType !== void 0) {\n this.depthPass.initialize(renderer, alpha, frameBufferType);\n this.maskPass.initialize(renderer, alpha, frameBufferType);\n this.outlinePass.initialize(renderer, alpha, frameBufferType);\n }\n }\n};\n\n// src/effects/PixelationEffect.js\nimport { Uniform as Uniform39, Vector2 as Vector223, Vector4 as Vector43 } from \"three\";\n\n// src/effects/glsl/pixelation.frag\nvar pixelation_default = \"uniform bool active;uniform vec4 d;void mainUv(inout vec2 uv){if(active){uv=d.xy*(floor(uv*d.zw)+0.5);}}\";\n\n// src/effects/PixelationEffect.js\nvar PixelationEffect = class extends Effect {\n constructor(granularity = 30) {\n super(\"PixelationEffect\", pixelation_default, {\n uniforms: /* @__PURE__ */ new Map([\n [\"active\", new Uniform39(false)],\n [\"d\", new Uniform39(new Vector43())]\n ])\n });\n this.resolution = new Vector223();\n this._granularity = 0;\n this.granularity = granularity;\n }\n get granularity() {\n return this._granularity;\n }\n set granularity(value) {\n let d = Math.floor(value);\n if (d % 2 > 0) {\n d += 1;\n }\n this._granularity = d;\n this.uniforms.get(\"active\").value = d > 0;\n this.setSize(this.resolution.width, this.resolution.height);\n }\n getGranularity() {\n return this.granularity;\n }\n setGranularity(value) {\n this.granularity = value;\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.set(width, height);\n const d = this.granularity;\n const x = d / resolution.x;\n const y = d / resolution.y;\n this.uniforms.get(\"d\").value.set(x, y, 1 / x, 1 / y);\n }\n};\n\n// src/effects/RealisticBokehEffect.js\nimport { Uniform as Uniform40, Vector4 as Vector44 } from \"three\";\n\n// src/effects/glsl/realistic-bokeh.frag\nvar realistic_bokeh_default = \"uniform float focus;uniform float focalLength;uniform float fStop;uniform float maxBlur;uniform float luminanceThreshold;uniform float luminanceGain;uniform float bias;uniform float fringe;\\n#ifdef MANUAL_DOF\\nuniform vec4 dof;\\n#endif\\n#ifdef PENTAGON\\nfloat pentagon(const in vec2 coords){const vec4 HS0=vec4(1.0,0.0,0.0,1.0);const vec4 HS1=vec4(0.309016994,0.951056516,0.0,1.0);const vec4 HS2=vec4(-0.809016994,0.587785252,0.0,1.0);const vec4 HS3=vec4(-0.809016994,-0.587785252,0.0,1.0);const vec4 HS4=vec4(0.309016994,-0.951056516,0.0,1.0);const vec4 HS5=vec4(0.0,0.0,1.0,1.0);const vec4 ONE=vec4(1.0);const float P_FEATHER=0.4;const float N_FEATHER=-P_FEATHER;float inOrOut=-4.0;vec4 P=vec4(coords,vec2(RINGS_FLOAT-1.3));vec4 dist=vec4(dot(P,HS0),dot(P,HS1),dot(P,HS2),dot(P,HS3));dist=smoothstep(N_FEATHER,P_FEATHER,dist);inOrOut+=dot(dist,ONE);dist.x=dot(P,HS4);dist.y=HS5.w-abs(P.z);dist=smoothstep(N_FEATHER,P_FEATHER,dist);inOrOut+=dist.x;return clamp(inOrOut,0.0,1.0);}\\n#endif\\nvec3 processTexel(const in vec2 coords,const in float blur){vec2 scale=texelSize*fringe*blur;vec3 c=vec3(texture2D(inputBuffer,coords+vec2(0.0,1.0)*scale).r,texture2D(inputBuffer,coords+vec2(-0.866,-0.5)*scale).g,texture2D(inputBuffer,coords+vec2(0.866,-0.5)*scale).b);float luminance=linearToRelativeLuminance(c);float threshold=max((luminance-luminanceThreshold)*luminanceGain,0.0);return c+mix(vec3(0.0),c,threshold*blur);}float gather(const in float i,const in float j,const in float ringSamples,const in vec2 uv,const in vec2 blurFactor,const in float blur,inout vec3 color){float step=PI2/ringSamples;vec2 wh=vec2(cos(j*step)*i,sin(j*step)*i);\\n#ifdef PENTAGON\\nfloat p=pentagon(wh);\\n#else\\nfloat p=1.0;\\n#endif\\ncolor+=processTexel(wh*blurFactor+uv,blur)*mix(1.0,i/RINGS_FLOAT,bias)*p;return mix(1.0,i/RINGS_FLOAT,bias)*p;}void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(depth,cameraNear,cameraFar);float linearDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearDepth=depth;\\n#endif\\n#ifdef MANUAL_DOF\\nfloat focalPlane=linearDepth-focus;float farDoF=(focalPlane-dof.z)/dof.w;float nearDoF=(-focalPlane-dof.x)/dof.y;float blur=(focalPlane>0.0)?farDoF:nearDoF;\\n#else\\nconst float CIRCLE_OF_CONFUSION=0.03;float focalPlaneMM=focus*1000.0;float depthMM=linearDepth*1000.0;float focalPlane=(depthMM*focalLength)/(depthMM-focalLength);float farDoF=(focalPlaneMM*focalLength)/(focalPlaneMM-focalLength);float nearDoF=(focalPlaneMM-focalLength)/(focalPlaneMM*fStop*CIRCLE_OF_CONFUSION);float blur=abs(focalPlane-farDoF)*nearDoF;\\n#endif\\nconst int MAX_RING_SAMPLES=RINGS_INT*SAMPLES_INT;blur=clamp(blur,0.0,1.0);vec3 color=inputColor.rgb;if(blur>=0.05){vec2 blurFactor=blur*maxBlur*texelSize;float s=1.0;int ringSamples;for(int i=1;i<=RINGS_INT;i++){ringSamples=i*SAMPLES_INT;for(int j=0;j=ringSamples){break;}s+=gather(float(i),float(j),float(ringSamples),uv,blurFactor,blur,color);}}color/=s;}\\n#ifdef SHOW_FOCUS\\nfloat edge=0.002*linearDepth;float m=clamp(smoothstep(0.0,edge,blur),0.0,1.0);float e=clamp(smoothstep(1.0-edge,1.0,blur),0.0,1.0);color=mix(color,vec3(1.0,0.5,0.0),(1.0-m)*0.6);color=mix(color,vec3(0.0,0.5,1.0),((1.0-e)-(1.0-m))*0.2);\\n#endif\\noutputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/RealisticBokehEffect.js\nvar RealisticBokehEffect = class extends Effect {\n constructor({\n blendFunction,\n focus = 1,\n focalLength = 24,\n fStop = 0.9,\n luminanceThreshold = 0.5,\n luminanceGain = 2,\n bias = 0.5,\n fringe = 0.7,\n maxBlur = 1,\n rings = 3,\n samples = 2,\n showFocus = false,\n manualDoF = false,\n pentagon = false\n } = {}) {\n super(\"RealisticBokehEffect\", realistic_bokeh_default, {\n blendFunction,\n attributes: EffectAttribute.CONVOLUTION | EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"focus\", new Uniform40(focus)],\n [\"focalLength\", new Uniform40(focalLength)],\n [\"fStop\", new Uniform40(fStop)],\n [\"luminanceThreshold\", new Uniform40(luminanceThreshold)],\n [\"luminanceGain\", new Uniform40(luminanceGain)],\n [\"bias\", new Uniform40(bias)],\n [\"fringe\", new Uniform40(fringe)],\n [\"maxBlur\", new Uniform40(maxBlur)],\n [\"dof\", new Uniform40(null)]\n ])\n });\n this.rings = rings;\n this.samples = samples;\n this.showFocus = showFocus;\n this.manualDoF = manualDoF;\n this.pentagon = pentagon;\n }\n get rings() {\n return Number.parseInt(this.defines.get(\"RINGS_INT\"));\n }\n set rings(value) {\n const r = Math.floor(value);\n this.defines.set(\"RINGS_INT\", r.toFixed(0));\n this.defines.set(\"RINGS_FLOAT\", r.toFixed(1));\n this.setChanged();\n }\n get samples() {\n return Number.parseInt(this.defines.get(\"SAMPLES_INT\"));\n }\n set samples(value) {\n const s = Math.floor(value);\n this.defines.set(\"SAMPLES_INT\", s.toFixed(0));\n this.defines.set(\"SAMPLES_FLOAT\", s.toFixed(1));\n this.setChanged();\n }\n get showFocus() {\n return this.defines.has(\"SHOW_FOCUS\");\n }\n set showFocus(value) {\n if (this.showFocus !== value) {\n if (value) {\n this.defines.set(\"SHOW_FOCUS\", \"1\");\n } else {\n this.defines.delete(\"SHOW_FOCUS\");\n }\n this.setChanged();\n }\n }\n get manualDoF() {\n return this.defines.has(\"MANUAL_DOF\");\n }\n set manualDoF(value) {\n if (this.manualDoF !== value) {\n if (value) {\n this.defines.set(\"MANUAL_DOF\", \"1\");\n this.uniforms.get(\"dof\").value = new Vector44(0.2, 1, 0.2, 2);\n } else {\n this.defines.delete(\"MANUAL_DOF\");\n this.uniforms.get(\"dof\").value = null;\n }\n this.setChanged();\n }\n }\n get pentagon() {\n return this.defines.has(\"PENTAGON\");\n }\n set pentagon(value) {\n if (this.pentagon !== value) {\n if (value) {\n this.defines.set(\"PENTAGON\", \"1\");\n } else {\n this.defines.delete(\"PENTAGON\");\n }\n this.setChanged();\n }\n }\n};\n\n// src/effects/ScanlineEffect.js\nimport { Uniform as Uniform41, Vector2 as Vector224 } from \"three\";\n\n// src/effects/glsl/scanlines.frag\nvar scanlines_default = \"uniform float count;\\n#ifdef SCROLL\\nuniform float scrollSpeed;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){float y=uv.y;\\n#ifdef SCROLL\\ny+=time*scrollSpeed;\\n#endif\\nvec2 sl=vec2(sin(y*count),cos(y*count));outputColor=vec4(sl.xyx,inputColor.a);}\";\n\n// src/effects/ScanlineEffect.js\nvar ScanlineEffect = class extends Effect {\n constructor({ blendFunction = BlendFunction.OVERLAY, density = 1.25, scrollSpeed = 0 } = {}) {\n super(\"ScanlineEffect\", scanlines_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"count\", new Uniform41(0)],\n [\"scrollSpeed\", new Uniform41(0)]\n ])\n });\n this.resolution = new Vector224();\n this.d = density;\n this.scrollSpeed = scrollSpeed;\n }\n get density() {\n return this.d;\n }\n set density(value) {\n this.d = value;\n this.setSize(this.resolution.width, this.resolution.height);\n }\n getDensity() {\n return this.density;\n }\n setDensity(value) {\n this.density = value;\n }\n get scrollSpeed() {\n return this.uniforms.get(\"scrollSpeed\").value;\n }\n set scrollSpeed(value) {\n this.uniforms.get(\"scrollSpeed\").value = value;\n if (value === 0) {\n if (this.defines.delete(\"SCROLL\")) {\n this.setChanged();\n }\n } else if (!this.defines.has(\"SCROLL\")) {\n this.defines.set(\"SCROLL\", \"1\");\n this.setChanged();\n }\n }\n setSize(width, height) {\n this.resolution.set(width, height);\n this.uniforms.get(\"count\").value = Math.round(height * this.density);\n }\n};\n\n// src/effects/ShockWaveEffect.js\nimport { Uniform as Uniform42, Vector2 as Vector225, Vector3 as Vector35 } from \"three\";\n\n// src/effects/glsl/shock-wave.frag\nvar shock_wave_default = \"uniform bool active;uniform vec2 center;uniform float waveSize;uniform float radius;uniform float maxRadius;uniform float amplitude;varying float vSize;void mainUv(inout vec2 uv){if(active){vec2 aspectCorrection=vec2(aspect,1.0);vec2 difference=uv*aspectCorrection-center*aspectCorrection;float distance=sqrt(dot(difference,difference))*vSize;if(distance>radius){if(distance HALF_PI;\n if (uActive.value) {\n uniforms.get(\"cameraDistance\").value = camera.position.distanceTo(position);\n v2.copy(position).project(camera);\n this.screenPosition.set((v2.x + 1) * 0.5, (v2.y + 1) * 0.5);\n }\n this.time += delta * this.speed;\n const radius = this.time - waveSize;\n uniforms.get(\"radius\").value = radius;\n if (radius >= (uniforms.get(\"maxRadius\").value + waveSize) * 2) {\n this.active = false;\n uActive.value = false;\n }\n }\n }\n};\n\n// src/effects/SelectiveBloomEffect.js\nimport {\n BasicDepthPacking as BasicDepthPacking16,\n Color as Color7,\n NotEqualDepth as NotEqualDepth2,\n EqualDepth as EqualDepth2,\n RGBADepthPacking as RGBADepthPacking5,\n sRGBEncoding as sRGBEncoding15,\n WebGLRenderTarget as WebGLRenderTarget19\n} from \"three\";\nvar SelectiveBloomEffect = class extends BloomEffect {\n constructor(scene, camera, options) {\n super(options);\n this.setAttributes(this.getAttributes() | EffectAttribute.DEPTH);\n this.camera = camera;\n this.depthPass = new DepthPass(scene, camera);\n this.clearPass = new ClearPass(true, false, false);\n this.clearPass.overrideClearColor = new Color7(0);\n this.depthMaskPass = new ShaderPass(new DepthMaskMaterial());\n const depthMaskMaterial = this.depthMaskMaterial;\n depthMaskMaterial.copyCameraSettings(camera);\n depthMaskMaterial.depthBuffer1 = this.depthPass.texture;\n depthMaskMaterial.depthPacking1 = RGBADepthPacking5;\n depthMaskMaterial.depthMode = EqualDepth2;\n this.renderTargetMasked = new WebGLRenderTarget19(1, 1, { depthBuffer: false });\n this.renderTargetMasked.texture.name = \"Bloom.Masked\";\n this.selection = new Selection();\n this.selection.layer = 11;\n this._inverted = false;\n this._ignoreBackground = false;\n }\n set mainScene(value) {\n this.depthPass.mainScene = value;\n }\n set mainCamera(value) {\n this.camera = value;\n this.depthPass.mainCamera = value;\n this.depthMaskMaterial.copyCameraSettings(value);\n }\n getSelection() {\n return this.selection;\n }\n get depthMaskMaterial() {\n return this.depthMaskPass.fullscreenMaterial;\n }\n get inverted() {\n return this._inverted;\n }\n set inverted(value) {\n this._inverted = value;\n this.depthMaskMaterial.depthMode = value ? NotEqualDepth2 : EqualDepth2;\n }\n isInverted() {\n return this.inverted;\n }\n setInverted(value) {\n this.inverted = value;\n }\n get ignoreBackground() {\n return this._ignoreBackground;\n }\n set ignoreBackground(value) {\n this._ignoreBackground = value;\n this.depthMaskMaterial.maxDepthStrategy = value ? DepthTestStrategy.DISCARD_MAX_DEPTH : DepthTestStrategy.KEEP_MAX_DEPTH;\n }\n isBackgroundDisabled() {\n return this.ignoreBackground;\n }\n setBackgroundDisabled(value) {\n this.ignoreBackground = value;\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking16) {\n this.depthMaskMaterial.depthBuffer0 = depthTexture;\n this.depthMaskMaterial.depthPacking0 = depthPacking;\n }\n update(renderer, inputBuffer, deltaTime) {\n const camera = this.camera;\n const selection = this.selection;\n const inverted = this.inverted;\n let renderTarget = inputBuffer;\n if (this.ignoreBackground || !inverted || selection.size > 0) {\n const mask = camera.layers.mask;\n camera.layers.set(selection.layer);\n this.depthPass.render(renderer);\n camera.layers.mask = mask;\n renderTarget = this.renderTargetMasked;\n this.clearPass.render(renderer, renderTarget);\n this.depthMaskPass.render(renderer, inputBuffer, renderTarget);\n }\n super.update(renderer, renderTarget, deltaTime);\n }\n setSize(width, height) {\n super.setSize(width, height);\n this.renderTargetMasked.setSize(width, height);\n this.depthPass.setSize(width, height);\n }\n initialize(renderer, alpha, frameBufferType) {\n super.initialize(renderer, alpha, frameBufferType);\n this.clearPass.initialize(renderer, alpha, frameBufferType);\n this.depthPass.initialize(renderer, alpha, frameBufferType);\n this.depthMaskPass.initialize(renderer, alpha, frameBufferType);\n if (frameBufferType !== void 0) {\n this.renderTargetMasked.texture.type = frameBufferType;\n if (renderer.outputEncoding === sRGBEncoding15) {\n this.renderTargetMasked.texture.encoding = sRGBEncoding15;\n }\n }\n }\n};\n\n// src/effects/SepiaEffect.js\nimport { Uniform as Uniform43, Vector3 as Vector36 } from \"three\";\n\n// src/effects/glsl/sepia.frag\nvar sepia_default = \"uniform vec3 weightsR;uniform vec3 weightsG;uniform vec3 weightsB;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=vec3(dot(inputColor.rgb,weightsR),dot(inputColor.rgb,weightsG),dot(inputColor.rgb,weightsB));outputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/SepiaEffect.js\nvar SepiaEffect = class extends Effect {\n constructor({ blendFunction, intensity = 1 } = {}) {\n super(\"SepiaEffect\", sepia_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"weightsR\", new Uniform43(new Vector36(0.393, 0.769, 0.189))],\n [\"weightsG\", new Uniform43(new Vector36(0.349, 0.686, 0.168))],\n [\"weightsB\", new Uniform43(new Vector36(0.272, 0.534, 0.131))]\n ])\n });\n }\n get intensity() {\n return this.blendMode.opacity.value;\n }\n set intensity(value) {\n this.blendMode.opacity.value = value;\n }\n getIntensity() {\n return this.intensity;\n }\n setIntensity(value) {\n this.intensity = value;\n }\n get weightsR() {\n return this.uniforms.get(\"weightsR\").value;\n }\n get weightsG() {\n return this.uniforms.get(\"weightsG\").value;\n }\n get weightsB() {\n return this.uniforms.get(\"weightsB\").value;\n }\n};\n\n// src/effects/SMAAEffect.js\nimport {\n BasicDepthPacking as BasicDepthPacking17,\n Color as Color8,\n LinearFilter as LinearFilter5,\n LoadingManager as LoadingManager2,\n NearestFilter as NearestFilter8,\n Texture as Texture3,\n Uniform as Uniform44,\n WebGLRenderTarget as WebGLRenderTarget20\n} from \"three\";\n\n// src/textures/smaa/searchImageDataURL.js\nvar searchImageDataURL_default = \"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEAAAAAQCAYAAACm53kpAAAAeElEQVRYR+2XSwqAMAxEJ168ePEqwRSKhIIiuHjJqiU0gWE+1CQdApcVAMUAuARaMGCX1MIL/Ow13++9lW2s3mW9MWvsnWc/2fvGygwPAN4E8QzAA4CXAB6AHjG4JTHYI1ey3pcx6FHnEfhLDOIBKAmUBK6/ANUDTlROXAHd9EC1AAAAAElFTkSuQmCC\";\n\n// src/textures/smaa/areaImageDataURL.js\nvar areaImageDataURL_default = \"data:image/png;base64,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\";\n\n// src/effects/glsl/smaa.frag\nvar smaa_default = \"uniform sampler2D weightMap;varying vec2 vOffset0;varying vec2 vOffset1;void movec(const in bvec2 c,inout vec2 variable,const in vec2 value){if(c.x){variable.x=value.x;}if(c.y){variable.y=value.y;}}void movec(const in bvec4 c,inout vec4 variable,const in vec4 value){movec(c.xy,variable.xy,value.xy);movec(c.zw,variable.zw,value.zw);}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec4 a;a.x=texture2D(weightMap,vOffset0).a;a.y=texture2D(weightMap,vOffset1).g;a.wz=texture2D(weightMap,uv).rb;vec4 color=inputColor;if(dot(a,vec4(1.0))>=1e-5){bool h=max(a.x,a.z)>max(a.y,a.w);vec4 blendingOffset=vec4(0.0,a.y,0.0,a.w);vec2 blendingWeight=a.yw;movec(bvec4(h),blendingOffset,vec4(a.x,0.0,a.z,0.0));movec(bvec2(h),blendingWeight,a.xz);blendingWeight/=dot(blendingWeight,vec2(1.0));vec4 blendingCoord=blendingOffset*vec4(texelSize,-texelSize)+uv.xyxy;color=blendingWeight.x*texture2D(inputBuffer,blendingCoord.xy);color+=blendingWeight.y*texture2D(inputBuffer,blendingCoord.zw);}outputColor=color;}\";\n\n// src/effects/glsl/smaa.vert\nvar smaa_default2 = \"varying vec2 vOffset0;varying vec2 vOffset1;void mainSupport(const in vec2 uv){vOffset0=uv+texelSize*vec2(1.0,0.0);vOffset1=uv+texelSize*vec2(0.0,1.0);}\";\n\n// src/effects/SMAAEffect.js\nvar SMAAEffect = class extends Effect {\n constructor({\n blendFunction = BlendFunction.SRC,\n preset = SMAAPreset.MEDIUM,\n edgeDetectionMode = EdgeDetectionMode.COLOR,\n predicationMode = PredicationMode.DISABLED\n } = {}) {\n super(\"SMAAEffect\", smaa_default, {\n vertexShader: smaa_default2,\n blendFunction,\n attributes: EffectAttribute.CONVOLUTION | EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"weightMap\", new Uniform44(null)]\n ])\n });\n let searchImage, areaImage;\n if (arguments.length > 1) {\n searchImage = arguments[0];\n areaImage = arguments[1];\n if (arguments.length > 2) {\n preset = arguments[2];\n }\n if (arguments.length > 3) {\n edgeDetectionMode = arguments[3];\n }\n }\n this.renderTargetEdges = new WebGLRenderTarget20(1, 1, { depthBuffer: false });\n this.renderTargetEdges.texture.name = \"SMAA.Edges\";\n this.renderTargetWeights = this.renderTargetEdges.clone();\n this.renderTargetWeights.texture.name = \"SMAA.Weights\";\n this.uniforms.get(\"weightMap\").value = this.renderTargetWeights.texture;\n this.clearPass = new ClearPass(true, false, false);\n this.clearPass.overrideClearColor = new Color8(0);\n this.clearPass.overrideClearAlpha = 1;\n this.edgeDetectionPass = new ShaderPass(new EdgeDetectionMaterial());\n this.edgeDetectionMaterial.edgeDetectionMode = edgeDetectionMode;\n this.edgeDetectionMaterial.predicationMode = predicationMode;\n this.weightsPass = new ShaderPass(new SMAAWeightsMaterial());\n const loadingManager = new LoadingManager2();\n loadingManager.onLoad = () => {\n const searchTexture = new Texture3(searchImage);\n searchTexture.name = \"SMAA.Search\";\n searchTexture.magFilter = NearestFilter8;\n searchTexture.minFilter = NearestFilter8;\n searchTexture.generateMipmaps = false;\n searchTexture.needsUpdate = true;\n searchTexture.flipY = true;\n this.weightsMaterial.searchTexture = searchTexture;\n const areaTexture = new Texture3(areaImage);\n areaTexture.name = \"SMAA.Area\";\n areaTexture.magFilter = LinearFilter5;\n areaTexture.minFilter = LinearFilter5;\n areaTexture.generateMipmaps = false;\n areaTexture.needsUpdate = true;\n areaTexture.flipY = false;\n this.weightsMaterial.areaTexture = areaTexture;\n this.dispatchEvent({ type: \"load\" });\n };\n loadingManager.itemStart(\"search\");\n loadingManager.itemStart(\"area\");\n if (searchImage !== void 0 && areaImage !== void 0) {\n loadingManager.itemEnd(\"search\");\n loadingManager.itemEnd(\"area\");\n } else if (typeof Image !== \"undefined\") {\n searchImage = new Image();\n areaImage = new Image();\n searchImage.addEventListener(\"load\", () => loadingManager.itemEnd(\"search\"));\n areaImage.addEventListener(\"load\", () => loadingManager.itemEnd(\"area\"));\n searchImage.src = searchImageDataURL_default;\n areaImage.src = areaImageDataURL_default;\n }\n this.applyPreset(preset);\n }\n get edgesTexture() {\n return this.renderTargetEdges.texture;\n }\n getEdgesTexture() {\n return this.edgesTexture;\n }\n get weightsTexture() {\n return this.renderTargetWeights.texture;\n }\n getWeightsTexture() {\n return this.weightsTexture;\n }\n get edgeDetectionMaterial() {\n return this.edgeDetectionPass.fullscreenMaterial;\n }\n get colorEdgesMaterial() {\n return this.edgeDetectionMaterial;\n }\n getEdgeDetectionMaterial() {\n return this.edgeDetectionMaterial;\n }\n get weightsMaterial() {\n return this.weightsPass.fullscreenMaterial;\n }\n getWeightsMaterial() {\n return this.weightsMaterial;\n }\n setEdgeDetectionThreshold(threshold) {\n this.edgeDetectionMaterial.edgeDetectionThreshold = threshold;\n }\n setOrthogonalSearchSteps(steps) {\n this.weightsMaterial.orthogonalSearchSteps = steps;\n }\n applyPreset(preset) {\n const edgeDetectionMaterial = this.edgeDetectionMaterial;\n const weightsMaterial = this.weightsMaterial;\n switch (preset) {\n case SMAAPreset.LOW:\n edgeDetectionMaterial.edgeDetectionThreshold = 0.15;\n weightsMaterial.orthogonalSearchSteps = 4;\n weightsMaterial.diagonalDetection = false;\n weightsMaterial.cornerDetection = false;\n break;\n case SMAAPreset.MEDIUM:\n edgeDetectionMaterial.edgeDetectionThreshold = 0.1;\n weightsMaterial.orthogonalSearchSteps = 8;\n weightsMaterial.diagonalDetection = false;\n weightsMaterial.cornerDetection = false;\n break;\n case SMAAPreset.HIGH:\n edgeDetectionMaterial.edgeDetectionThreshold = 0.1;\n weightsMaterial.orthogonalSearchSteps = 16;\n weightsMaterial.diagonalSearchSteps = 8;\n weightsMaterial.cornerRounding = 25;\n weightsMaterial.diagonalDetection = true;\n weightsMaterial.cornerDetection = true;\n break;\n case SMAAPreset.ULTRA:\n edgeDetectionMaterial.edgeDetectionThreshold = 0.05;\n weightsMaterial.orthogonalSearchSteps = 32;\n weightsMaterial.diagonalSearchSteps = 16;\n weightsMaterial.cornerRounding = 25;\n weightsMaterial.diagonalDetection = true;\n weightsMaterial.cornerDetection = true;\n break;\n }\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking17) {\n this.edgeDetectionMaterial.depthBuffer = depthTexture;\n this.edgeDetectionMaterial.depthPacking = depthPacking;\n }\n update(renderer, inputBuffer, deltaTime) {\n this.clearPass.render(renderer, this.renderTargetEdges);\n this.edgeDetectionPass.render(renderer, inputBuffer, this.renderTargetEdges);\n this.weightsPass.render(renderer, this.renderTargetEdges, this.renderTargetWeights);\n }\n setSize(width, height) {\n this.edgeDetectionMaterial.setSize(width, height);\n this.weightsMaterial.setSize(width, height);\n this.renderTargetEdges.setSize(width, height);\n this.renderTargetWeights.setSize(width, height);\n }\n dispose() {\n const { searchTexture, areaTexture } = this.weightsMaterial;\n if (searchTexture !== null && areaTexture !== null) {\n searchTexture.dispose();\n areaTexture.dispose();\n }\n super.dispose();\n }\n static get searchImageDataURL() {\n return searchImageDataURL_default;\n }\n static get areaImageDataURL() {\n return areaImageDataURL_default;\n }\n};\n\n// src/effects/SSAOEffect.js\nimport { BasicDepthPacking as BasicDepthPacking18, Color as Color9, RepeatWrapping as RepeatWrapping3, RGBAFormat as RGBAFormat5, Uniform as Uniform45, WebGLRenderTarget as WebGLRenderTarget21 } from \"three\";\n\n// src/effects/glsl/ssao.frag\nvar ssao_default3 = \"uniform lowp sampler2D aoBuffer;uniform float luminanceInfluence;uniform float intensity;\\n#if THREE_REVISION < 143\\n#define luminance(v) linearToRelativeLuminance(v)\\n#endif\\n#if defined(DEPTH_AWARE_UPSAMPLING) && defined(NORMAL_DEPTH)\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\n#endif\\n#ifdef COLORIZE\\nuniform vec3 color;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){float aoLinear=texture2D(aoBuffer,uv).r;\\n#if defined(DEPTH_AWARE_UPSAMPLING) && defined(NORMAL_DEPTH) && __VERSION__ == 300\\nvec4 normalDepth[4];normalDepth[0]=textureOffset(normalDepthBuffer,uv,ivec2(0,0));normalDepth[1]=textureOffset(normalDepthBuffer,uv,ivec2(0,1));normalDepth[2]=textureOffset(normalDepthBuffer,uv,ivec2(1,0));normalDepth[3]=textureOffset(normalDepthBuffer,uv,ivec2(1,1));float dot01=dot(normalDepth[0].rgb,normalDepth[1].rgb);float dot02=dot(normalDepth[0].rgb,normalDepth[2].rgb);float dot03=dot(normalDepth[0].rgb,normalDepth[3].rgb);float minDot=min(dot01,min(dot02,dot03));float s=step(THRESHOLD,minDot);float smallestDistance=1.0;int index;for(int i=0;i<4;++i){float distance=abs(depth-normalDepth[i].a);if(distance this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.camera = camera;\n this.depthDownsamplingPass = new DepthDownsamplingPass({ normalBuffer, resolutionScale });\n this.depthDownsamplingPass.enabled = normalDepthBuffer === null;\n this.ssaoPass = new ShaderPass(new SSAOMaterial(camera));\n const noiseTexture = new NoiseTexture(NOISE_TEXTURE_SIZE, NOISE_TEXTURE_SIZE, RGBAFormat5);\n noiseTexture.wrapS = noiseTexture.wrapT = RepeatWrapping3;\n const ssaoMaterial = this.ssaoMaterial;\n ssaoMaterial.normalBuffer = normalBuffer;\n ssaoMaterial.noiseTexture = noiseTexture;\n ssaoMaterial.minRadiusScale = minRadiusScale;\n ssaoMaterial.samples = samples;\n ssaoMaterial.radius = radius;\n ssaoMaterial.rings = rings;\n ssaoMaterial.fade = fade;\n ssaoMaterial.bias = bias;\n ssaoMaterial.distanceThreshold = distanceThreshold;\n ssaoMaterial.distanceFalloff = distanceFalloff;\n ssaoMaterial.proximityThreshold = rangeThreshold;\n ssaoMaterial.proximityFalloff = rangeFalloff;\n if (worldDistanceThreshold !== void 0) {\n ssaoMaterial.worldDistanceThreshold = worldDistanceThreshold;\n }\n if (worldDistanceFalloff !== void 0) {\n ssaoMaterial.worldDistanceFalloff = worldDistanceFalloff;\n }\n if (worldProximityThreshold !== void 0) {\n ssaoMaterial.worldProximityThreshold = worldProximityThreshold;\n }\n if (worldProximityFalloff !== void 0) {\n ssaoMaterial.worldProximityFalloff = worldProximityFalloff;\n }\n if (normalDepthBuffer !== null) {\n this.ssaoMaterial.normalDepthBuffer = normalDepthBuffer;\n this.defines.set(\"NORMAL_DEPTH\", \"1\");\n }\n this.depthAwareUpsampling = depthAwareUpsampling;\n this.color = color2;\n }\n set mainCamera(value) {\n this.camera = value;\n this.ssaoMaterial.copyCameraSettings(value);\n }\n getResolution() {\n return this.resolution;\n }\n get ssaoMaterial() {\n return this.ssaoPass.fullscreenMaterial;\n }\n getSSAOMaterial() {\n return this.ssaoMaterial;\n }\n get samples() {\n return this.ssaoMaterial.samples;\n }\n set samples(value) {\n this.ssaoMaterial.samples = value;\n }\n get rings() {\n return this.ssaoMaterial.rings;\n }\n set rings(value) {\n this.ssaoMaterial.rings = value;\n }\n get radius() {\n return this.ssaoMaterial.radius;\n }\n set radius(value) {\n this.ssaoMaterial.radius = value;\n }\n get depthAwareUpsampling() {\n return this.defines.has(\"DEPTH_AWARE_UPSAMPLING\");\n }\n set depthAwareUpsampling(value) {\n if (this.depthAwareUpsampling !== value) {\n if (value) {\n this.defines.set(\"DEPTH_AWARE_UPSAMPLING\", \"1\");\n } else {\n this.defines.delete(\"DEPTH_AWARE_UPSAMPLING\");\n }\n this.setChanged();\n }\n }\n isDepthAwareUpsamplingEnabled() {\n return this.depthAwareUpsampling;\n }\n setDepthAwareUpsamplingEnabled(value) {\n this.depthAwareUpsampling = value;\n }\n get distanceScaling() {\n return true;\n }\n set distanceScaling(value) {\n }\n get color() {\n return this.uniforms.get(\"color\").value;\n }\n set color(value) {\n const uniforms = this.uniforms;\n const defines = this.defines;\n if (value !== null) {\n if (defines.has(\"COLORIZE\")) {\n uniforms.get(\"color\").value.set(value);\n } else {\n defines.set(\"COLORIZE\", \"1\");\n uniforms.get(\"color\").value = new Color9(value);\n this.setChanged();\n }\n } else if (defines.has(\"COLORIZE\")) {\n defines.delete(\"COLORIZE\");\n uniforms.get(\"color\").value = null;\n this.setChanged();\n }\n }\n get luminanceInfluence() {\n return this.uniforms.get(\"luminanceInfluence\").value;\n }\n set luminanceInfluence(value) {\n this.uniforms.get(\"luminanceInfluence\").value = value;\n }\n get intensity() {\n return this.uniforms.get(\"intensity\").value;\n }\n set intensity(value) {\n this.uniforms.get(\"intensity\").value = value;\n }\n getColor() {\n return this.color;\n }\n setColor(value) {\n this.color = value;\n }\n setDistanceCutoff(threshold, falloff) {\n this.ssaoMaterial.distanceThreshold = threshold;\n this.ssaoMaterial.distanceFalloff = falloff;\n }\n setProximityCutoff(threshold, falloff) {\n this.ssaoMaterial.proximityThreshold = threshold;\n this.ssaoMaterial.proximityFalloff = falloff;\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking18) {\n this.depthDownsamplingPass.setDepthTexture(depthTexture, depthPacking);\n this.ssaoMaterial.depthBuffer = depthTexture;\n this.ssaoMaterial.depthPacking = depthPacking;\n }\n update(renderer, inputBuffer, deltaTime) {\n const renderTarget = this.renderTarget;\n if (this.depthDownsamplingPass.enabled) {\n this.depthDownsamplingPass.render(renderer);\n }\n this.ssaoPass.render(renderer, null, renderTarget);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.ssaoMaterial.copyCameraSettings(this.camera);\n this.ssaoMaterial.setSize(w, h);\n this.renderTarget.setSize(w, h);\n this.depthDownsamplingPass.resolution.scale = resolution.scale;\n this.depthDownsamplingPass.setSize(width, height);\n }\n initialize(renderer, alpha, frameBufferType) {\n try {\n let normalDepthBuffer = this.uniforms.get(\"normalDepthBuffer\").value;\n if (normalDepthBuffer === null) {\n this.depthDownsamplingPass.initialize(renderer, alpha, frameBufferType);\n normalDepthBuffer = this.depthDownsamplingPass.texture;\n this.uniforms.get(\"normalDepthBuffer\").value = normalDepthBuffer;\n this.ssaoMaterial.normalDepthBuffer = normalDepthBuffer;\n this.defines.set(\"NORMAL_DEPTH\", \"1\");\n }\n } catch (e) {\n this.depthDownsamplingPass.enabled = false;\n }\n }\n};\n\n// src/effects/TextureEffect.js\nimport { Uniform as Uniform46, UnsignedByteType as UnsignedByteType17 } from \"three\";\n\n// src/effects/glsl/texture.frag\nvar texture_default = \"#ifdef TEXTURE_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nvarying vec2 vUv2;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){\\n#ifdef UV_TRANSFORM\\nvec4 texel=texelToLinear(texture2D(map,vUv2));\\n#else\\nvec4 texel=texelToLinear(texture2D(map,uv));\\n#endif\\noutputColor=TEXEL;}\";\n\n// src/effects/glsl/texture.vert\nvar texture_default2 = \"#ifdef ASPECT_CORRECTION\\nuniform float scale;\\n#else\\nuniform mat3 uvTransform;\\n#endif\\nvarying vec2 vUv2;void mainSupport(const in vec2 uv){\\n#ifdef ASPECT_CORRECTION\\nvUv2=uv*vec2(aspect,1.0)*scale;\\n#else\\nvUv2=(uvTransform*vec3(uv,1.0)).xy;\\n#endif\\n}\";\n\n// src/effects/TextureEffect.js\nvar TextureEffect = class extends Effect {\n constructor({ blendFunction, texture = null, aspectCorrection = false } = {}) {\n super(\"TextureEffect\", texture_default, {\n blendFunction,\n defines: /* @__PURE__ */ new Map([\n [\"TEXEL\", \"texel\"]\n ]),\n uniforms: /* @__PURE__ */ new Map([\n [\"map\", new Uniform46(null)],\n [\"scale\", new Uniform46(1)],\n [\"uvTransform\", new Uniform46(null)]\n ])\n });\n this.texture = texture;\n this.aspectCorrection = aspectCorrection;\n }\n get texture() {\n return this.uniforms.get(\"map\").value;\n }\n set texture(value) {\n const prevTexture = this.texture;\n const uniforms = this.uniforms;\n const defines = this.defines;\n if (prevTexture !== value) {\n uniforms.get(\"map\").value = value;\n uniforms.get(\"uvTransform\").value = value.matrix;\n defines.delete(\"TEXTURE_PRECISION_HIGH\");\n if (this.renderer !== null) {\n const decoding = getTextureDecoding(value, this.renderer.capabilities.isWebGL2);\n defines.set(\"texelToLinear(texel)\", decoding);\n }\n if (value !== null) {\n if (value.matrixAutoUpdate) {\n defines.set(\"UV_TRANSFORM\", \"1\");\n this.setVertexShader(texture_default2);\n } else {\n defines.delete(\"UV_TRANSFORM\");\n this.setVertexShader(null);\n }\n if (value.type !== UnsignedByteType17) {\n defines.set(\"TEXTURE_PRECISION_HIGH\", \"1\");\n }\n if (prevTexture === null || prevTexture.type !== value.type || prevTexture.encoding !== value.encoding) {\n this.setChanged();\n }\n }\n }\n }\n getTexture() {\n return this.texture;\n }\n setTexture(value) {\n this.texture = value;\n }\n get aspectCorrection() {\n return this.defines.has(\"ASPECT_CORRECTION\");\n }\n set aspectCorrection(value) {\n if (this.aspectCorrection !== value) {\n if (value) {\n this.defines.set(\"ASPECT_CORRECTION\", \"1\");\n } else {\n this.defines.delete(\"ASPECT_CORRECTION\");\n }\n this.setChanged();\n }\n }\n get uvTransform() {\n const texture = this.texture;\n return texture !== null && texture.matrixAutoUpdate;\n }\n set uvTransform(value) {\n const texture = this.texture;\n if (texture !== null) {\n texture.matrixAutoUpdate = value;\n }\n }\n setTextureSwizzleRGBA(r, g = r, b = r, a = r) {\n const rgba = \"rgba\";\n let swizzle = \"\";\n if (r !== ColorChannel.RED || g !== ColorChannel.GREEN || b !== ColorChannel.BLUE || a !== ColorChannel.ALPHA) {\n swizzle = [\".\", rgba[r], rgba[g], rgba[b], rgba[a]].join(\"\");\n }\n this.defines.set(\"TEXEL\", \"texel\" + swizzle);\n this.setChanged();\n }\n update(renderer, inputBuffer, deltaTime) {\n if (this.texture.matrixAutoUpdate) {\n this.texture.updateMatrix();\n }\n }\n initialize(renderer, alpha, frameBufferType) {\n const decoding = getTextureDecoding(this.texture, renderer.capabilities.isWebGL2);\n this.defines.set(\"texelToLinear(texel)\", decoding);\n this.renderer = renderer;\n }\n};\n\n// src/effects/TiltShiftEffect.js\nimport { sRGBEncoding as sRGBEncoding16, Uniform as Uniform47, Vector2 as Vector226, Vector4 as Vector45, WebGLRenderTarget as WebGLRenderTarget22 } from \"three\";\n\n// src/effects/glsl/tilt-shift.frag\nvar tilt_shift_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nuniform vec4 maskParams;varying vec2 vUv2;float linearGradientMask(const in float x){return smoothstep(maskParams.x,maskParams.y,x)-smoothstep(maskParams.w,maskParams.z,x);}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){float mask=linearGradientMask(vUv2.y);vec4 texel=texture2D(map,uv);outputColor=mix(texel,inputColor,mask);}\";\n\n// src/effects/glsl/tilt-shift.vert\nvar tilt_shift_default2 = \"uniform vec2 rotation;varying vec2 vUv2;void mainSupport(const in vec2 uv){vUv2=(uv-0.5)*2.0*vec2(aspect,1.0);vUv2=vec2(dot(rotation,vUv2),dot(rotation,vec2(vUv2.y,-vUv2.x)));}\";\n\n// src/effects/TiltShiftEffect.js\nvar TiltShiftEffect = class extends Effect {\n constructor({\n blendFunction,\n offset = 0,\n rotation = 0,\n focusArea = 0.4,\n feather = 0.3,\n bias = 0.06,\n kernelSize = KernelSize.MEDIUM,\n resolutionScale = 0.5,\n resolutionX = Resolution.AUTO_SIZE,\n resolutionY = Resolution.AUTO_SIZE\n } = {}) {\n super(\"TiltShiftEffect\", tilt_shift_default, {\n vertexShader: tilt_shift_default2,\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"rotation\", new Uniform47(new Vector226())],\n [\"maskParams\", new Uniform47(new Vector45())],\n [\"map\", new Uniform47(null)]\n ])\n });\n this._offset = offset;\n this._focusArea = focusArea;\n this._feather = feather;\n this._bias = bias;\n this.renderTarget = new WebGLRenderTarget22(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"TiltShift.Target\";\n this.uniforms.get(\"map\").value = this.renderTarget.texture;\n this.blurPass = new TiltShiftBlurPass({\n kernelSize,\n resolutionScale,\n resolutionX,\n resolutionY,\n offset,\n rotation,\n focusArea,\n feather\n });\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.rotation = rotation;\n this.updateParams();\n }\n updateParams() {\n const params = this.uniforms.get(\"maskParams\").value;\n const a = Math.max(this.focusArea - this.bias, 0);\n const b = Math.max(a - Math.max(this.feather - this.bias, 0), 0);\n params.set(\n this.offset - a,\n this.offset - b,\n this.offset + a,\n this.offset + b\n );\n }\n get rotation() {\n return Math.acos(this.uniforms.get(\"rotation\").value.x);\n }\n set rotation(value) {\n this.uniforms.get(\"rotation\").value.set(Math.cos(value), Math.sin(value));\n this.blurPass.blurMaterial.rotation = value;\n }\n get offset() {\n return this._offset;\n }\n set offset(value) {\n this._offset = value;\n this.blurPass.blurMaterial.offset = value;\n this.updateParams();\n }\n get focusArea() {\n return this._focusArea;\n }\n set focusArea(value) {\n this._focusArea = value;\n this.blurPass.blurMaterial.focusArea = value;\n this.updateParams();\n }\n get feather() {\n return this._feather;\n }\n set feather(value) {\n this._feather = value;\n this.blurPass.blurMaterial.feather = value;\n this.updateParams();\n }\n get bias() {\n return this._bias;\n }\n set bias(value) {\n this._bias = value;\n this.updateParams();\n }\n update(renderer, inputBuffer, deltaTime) {\n this.blurPass.render(renderer, inputBuffer, this.renderTarget);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n this.blurPass.resolution.copy(resolution);\n }\n initialize(renderer, alpha, frameBufferType) {\n this.blurPass.initialize(renderer, alpha, frameBufferType);\n if (frameBufferType !== void 0) {\n this.renderTarget.texture.type = frameBufferType;\n if (renderer.outputEncoding === sRGBEncoding16) {\n this.renderTarget.texture.encoding = sRGBEncoding16;\n }\n }\n }\n};\n\n// src/effects/ToneMappingEffect.js\nimport { LinearMipmapLinearFilter, Uniform as Uniform48, WebGLRenderTarget as WebGLRenderTarget23 } from \"three\";\n\n// src/effects/glsl/tone-mapping.frag\nvar tone_mapping_default = \"#include \\n#if THREE_REVISION < 143\\n#define luminance(v) linearToRelativeLuminance(v)\\n#endif\\nuniform lowp sampler2D luminanceBuffer;uniform float whitePoint;uniform float middleGrey;\\n#if TONE_MAPPING_MODE != 2\\nuniform float averageLuminance;\\n#endif\\nvec3 Reinhard2ToneMapping(vec3 color){color*=toneMappingExposure;float l=luminance(color);\\n#if TONE_MAPPING_MODE == 2\\nfloat lumAvg=unpackRGBAToFloat(texture2D(luminanceBuffer,vec2(0.5)));\\n#else\\nfloat lumAvg=averageLuminance;\\n#endif\\nfloat lumScaled=(l*middleGrey)/max(lumAvg,1e-6);float lumCompressed=lumScaled*(1.0+lumScaled/(whitePoint*whitePoint));lumCompressed/=(1.0+lumScaled);return clamp(lumCompressed*color,0.0,1.0);}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){\\n#if TONE_MAPPING_MODE == 1 || TONE_MAPPING_MODE == 2\\noutputColor=vec4(Reinhard2ToneMapping(inputColor.rgb),inputColor.a);\\n#else\\noutputColor=vec4(toneMapping(inputColor.rgb),inputColor.a);\\n#endif\\n}\";\n\n// src/effects/ToneMappingEffect.js\nvar ToneMappingEffect = class extends Effect {\n constructor({\n blendFunction = BlendFunction.SRC,\n adaptive = true,\n mode = adaptive ? ToneMappingMode.REINHARD2_ADAPTIVE : ToneMappingMode.REINHARD2,\n resolution = 256,\n maxLuminance = 16,\n whitePoint = maxLuminance,\n middleGrey = 0.6,\n minLuminance = 0.01,\n averageLuminance = 1,\n adaptationRate = 1\n } = {}) {\n super(\"ToneMappingEffect\", tone_mapping_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"luminanceBuffer\", new Uniform48(null)],\n [\"maxLuminance\", new Uniform48(maxLuminance)],\n [\"whitePoint\", new Uniform48(whitePoint)],\n [\"middleGrey\", new Uniform48(middleGrey)],\n [\"averageLuminance\", new Uniform48(averageLuminance)]\n ])\n });\n this.renderTargetLuminance = new WebGLRenderTarget23(1, 1, {\n minFilter: LinearMipmapLinearFilter,\n depthBuffer: false\n });\n this.renderTargetLuminance.texture.generateMipmaps = true;\n this.renderTargetLuminance.texture.name = \"Luminance\";\n this.luminancePass = new LuminancePass({\n renderTarget: this.renderTargetLuminance\n });\n this.adaptiveLuminancePass = new AdaptiveLuminancePass(this.luminancePass.texture, {\n minLuminance,\n adaptationRate\n });\n this.uniforms.get(\"luminanceBuffer\").value = this.adaptiveLuminancePass.texture;\n this.resolution = resolution;\n this.mode = mode;\n }\n get mode() {\n return Number(this.defines.get(\"TONE_MAPPING_MODE\"));\n }\n set mode(value) {\n if (this.mode !== value) {\n this.defines.clear();\n this.defines.set(\"TONE_MAPPING_MODE\", value.toFixed(0));\n switch (value) {\n case ToneMappingMode.REINHARD:\n this.defines.set(\"toneMapping(texel)\", \"ReinhardToneMapping(texel)\");\n break;\n case ToneMappingMode.OPTIMIZED_CINEON:\n this.defines.set(\"toneMapping(texel)\", \"OptimizedCineonToneMapping(texel)\");\n break;\n case ToneMappingMode.ACES_FILMIC:\n this.defines.set(\"toneMapping(texel)\", \"ACESFilmicToneMapping(texel)\");\n break;\n default:\n this.defines.set(\"toneMapping(texel)\", \"texel\");\n break;\n }\n this.adaptiveLuminancePass.enabled = value === ToneMappingMode.REINHARD2_ADAPTIVE;\n this.setChanged();\n }\n }\n getMode() {\n return this.mode;\n }\n setMode(value) {\n this.mode = value;\n }\n get whitePoint() {\n return this.uniforms.get(\"whitePoint\").value;\n }\n set whitePoint(value) {\n this.uniforms.get(\"whitePoint\").value = value;\n }\n get middleGrey() {\n return this.uniforms.get(\"middleGrey\").value;\n }\n set middleGrey(value) {\n this.uniforms.get(\"middleGrey\").value = value;\n }\n get averageLuminance() {\n return this.uniforms.get(\"averageLuminance\").value;\n }\n set averageLuminance(value) {\n this.uniforms.get(\"averageLuminance\").value = value;\n }\n get adaptiveLuminanceMaterial() {\n return this.adaptiveLuminancePass.fullscreenMaterial;\n }\n getAdaptiveLuminanceMaterial() {\n return this.adaptiveLuminanceMaterial;\n }\n get resolution() {\n return this.luminancePass.resolution.width;\n }\n set resolution(value) {\n const exponent = Math.max(0, Math.ceil(Math.log2(value)));\n const size = Math.pow(2, exponent);\n this.luminancePass.resolution.setPreferredSize(size, size);\n this.adaptiveLuminanceMaterial.mipLevel1x1 = exponent;\n }\n getResolution() {\n return this.resolution;\n }\n setResolution(value) {\n this.resolution = value;\n }\n get adaptive() {\n return this.mode === ToneMappingMode.REINHARD2_ADAPTIVE;\n }\n set adaptive(value) {\n this.mode = value ? ToneMappingMode.REINHARD2_ADAPTIVE : ToneMappingMode.REINHARD2;\n }\n get adaptationRate() {\n return this.adaptiveLuminanceMaterial.adaptationRate;\n }\n set adaptationRate(value) {\n this.adaptiveLuminanceMaterial.adaptationRate = value;\n }\n get distinction() {\n console.warn(this.name, \"distinction was removed.\");\n return 1;\n }\n set distinction(value) {\n console.warn(this.name, \"distinction was removed.\");\n }\n update(renderer, inputBuffer, deltaTime) {\n if (this.adaptiveLuminancePass.enabled) {\n this.luminancePass.render(renderer, inputBuffer);\n this.adaptiveLuminancePass.render(renderer, null, null, deltaTime);\n }\n }\n initialize(renderer, alpha, frameBufferType) {\n this.adaptiveLuminancePass.initialize(renderer, alpha, frameBufferType);\n }\n};\n\n// src/effects/VignetteEffect.js\nimport { Uniform as Uniform49 } from \"three\";\n\n// src/effects/glsl/vignette.frag\nvar vignette_default = \"uniform float offset;uniform float darkness;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){const vec2 center=vec2(0.5);vec3 color=inputColor.rgb;\\n#if VIGNETTE_TECHNIQUE == 0\\nfloat d=distance(uv,center);color*=smoothstep(0.8,offset*0.799,d*(darkness+offset));\\n#else\\nvec2 coord=(uv-center)*vec2(offset);color=mix(color,vec3(1.0-darkness),dot(coord,coord));\\n#endif\\noutputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/VignetteEffect.js\nvar VignetteEffect = class extends Effect {\n constructor({\n blendFunction,\n technique = VignetteTechnique.DEFAULT,\n eskil = false,\n offset = 0.5,\n darkness = 0.5\n } = {}) {\n super(\"VignetteEffect\", vignette_default, {\n blendFunction,\n defines: /* @__PURE__ */ new Map([\n [\"VIGNETTE_TECHNIQUE\", technique.toFixed(0)]\n ]),\n uniforms: /* @__PURE__ */ new Map([\n [\"offset\", new Uniform49(offset)],\n [\"darkness\", new Uniform49(darkness)]\n ])\n });\n }\n get technique() {\n return Number(this.defines.get(\"VIGNETTE_TECHNIQUE\"));\n }\n set technique(value) {\n if (this.technique !== value) {\n this.defines.set(\"VIGNETTE_TECHNIQUE\", value.toFixed(0));\n this.setChanged();\n }\n }\n get eskil() {\n return this.technique === VignetteTechnique.ESKIL;\n }\n set eskil(value) {\n this.technique = value ? VignetteTechnique.ESKIL : VignetteTechnique.DEFAULT;\n }\n getTechnique() {\n return this.technique;\n }\n setTechnique(value) {\n this.technique = value;\n }\n get offset() {\n return this.uniforms.get(\"offset\").value;\n }\n set offset(value) {\n this.uniforms.get(\"offset\").value = value;\n }\n getOffset() {\n return this.offset;\n }\n setOffset(value) {\n this.offset = value;\n }\n get darkness() {\n return this.uniforms.get(\"darkness\").value;\n }\n set darkness(value) {\n this.uniforms.get(\"darkness\").value = value;\n }\n getDarkness() {\n return this.darkness;\n }\n setDarkness(value) {\n this.darkness = value;\n }\n};\n\n// src/loaders/LUT3dlLoader.js\nimport { FileLoader, Loader, LoadingManager as LoadingManager3 } from \"three\";\nvar LUT3dlLoader = class extends Loader {\n load(url, onLoad = () => {\n }, onProgress = () => {\n }, onError = null) {\n const externalManager = this.manager;\n const internalManager = new LoadingManager3();\n const loader = new FileLoader(internalManager);\n loader.setPath(this.path);\n loader.setResponseType(\"text\");\n return new Promise((resolve, reject) => {\n internalManager.onError = (url2) => {\n externalManager.itemError(url2);\n if (onError !== null) {\n onError(`Failed to load ${url2}`);\n resolve();\n } else {\n reject(`Failed to load ${url2}`);\n }\n };\n externalManager.itemStart(url);\n loader.load(url, (data) => {\n try {\n const result = this.parse(data);\n externalManager.itemEnd(url);\n onLoad(result);\n resolve(result);\n } catch (e) {\n console.error(e);\n internalManager.onError(url);\n }\n }, onProgress);\n });\n }\n parse(input) {\n const regExpGridInfo = /^[\\d ]+$/m;\n const regExpDataPoints = /^([\\d.e+-]+) +([\\d.e+-]+) +([\\d.e+-]+) *$/gm;\n let result = regExpGridInfo.exec(input);\n if (result === null) {\n throw new Error(\"Missing grid information\");\n }\n const gridLines = result[0].trim().split(/\\s+/g).map((n) => Number(n));\n const gridStep = gridLines[1] - gridLines[0];\n const size = gridLines.length;\n const sizeSq = size ** 2;\n for (let i = 1, l = gridLines.length; i < l; ++i) {\n if (gridStep !== gridLines[i] - gridLines[i - 1]) {\n throw new Error(\"Inconsistent grid size\");\n }\n }\n const data = new Float32Array(size ** 3 * 4);\n let maxValue = 0;\n let index = 0;\n while ((result = regExpDataPoints.exec(input)) !== null) {\n const r = Number(result[1]);\n const g = Number(result[2]);\n const b = Number(result[3]);\n maxValue = Math.max(maxValue, r, g, b);\n const bLayer = index % size;\n const gLayer = Math.floor(index / size) % size;\n const rLayer = Math.floor(index / sizeSq) % size;\n const d4 = (bLayer * sizeSq + gLayer * size + rLayer) * 4;\n data[d4 + 0] = r;\n data[d4 + 1] = g;\n data[d4 + 2] = b;\n data[d4 + 3] = 1;\n ++index;\n }\n const bits = Math.ceil(Math.log2(maxValue));\n const maxBitValue = Math.pow(2, bits);\n for (let i = 0, l = data.length; i < l; i += 4) {\n data[i + 0] /= maxBitValue;\n data[i + 1] /= maxBitValue;\n data[i + 2] /= maxBitValue;\n }\n return new LookupTexture(data, size);\n }\n};\n\n// src/loaders/LUTCubeLoader.js\nimport { FileLoader as FileLoader2, Loader as Loader2, LoadingManager as LoadingManager4, Vector3 as Vector37 } from \"three\";\nvar LUTCubeLoader = class extends Loader2 {\n load(url, onLoad = () => {\n }, onProgress = () => {\n }, onError = null) {\n const externalManager = this.manager;\n const internalManager = new LoadingManager4();\n const loader = new FileLoader2(internalManager);\n loader.setPath(this.path);\n loader.setResponseType(\"text\");\n return new Promise((resolve, reject) => {\n internalManager.onError = (url2) => {\n externalManager.itemError(url2);\n if (onError !== null) {\n onError(`Failed to load ${url2}`);\n resolve();\n } else {\n reject(`Failed to load ${url2}`);\n }\n };\n externalManager.itemStart(url);\n loader.load(url, (data) => {\n try {\n const result = this.parse(data);\n externalManager.itemEnd(url);\n onLoad(result);\n resolve(result);\n } catch (e) {\n console.error(e);\n internalManager.onError(url);\n }\n }, onProgress);\n });\n }\n parse(input) {\n const regExpTitle = /TITLE +\"([^\"]*)\"/;\n const regExpSize = /LUT_3D_SIZE +(\\d+)/;\n const regExpDomainMin = /DOMAIN_MIN +([\\d.]+) +([\\d.]+) +([\\d.]+)/;\n const regExpDomainMax = /DOMAIN_MAX +([\\d.]+) +([\\d.]+) +([\\d.]+)/;\n const regExpDataPoints = /^([\\d.e+-]+) +([\\d.e+-]+) +([\\d.e+-]+) *$/gm;\n let result = regExpTitle.exec(input);\n const title = result !== null ? result[1] : null;\n result = regExpSize.exec(input);\n if (result === null) {\n throw new Error(\"Missing LUT_3D_SIZE information\");\n }\n const size = Number(result[1]);\n const data = new Float32Array(size ** 3 * 4);\n const domainMin = new Vector37(0, 0, 0);\n const domainMax = new Vector37(1, 1, 1);\n result = regExpDomainMin.exec(input);\n if (result !== null) {\n domainMin.set(Number(result[1]), Number(result[2]), Number(result[3]));\n }\n result = regExpDomainMax.exec(input);\n if (result !== null) {\n domainMax.set(Number(result[1]), Number(result[2]), Number(result[3]));\n }\n if (domainMin.x > domainMax.x || domainMin.y > domainMax.y || domainMin.z > domainMax.z) {\n domainMin.set(0, 0, 0);\n domainMax.set(1, 1, 1);\n throw new Error(\"Invalid input domain\");\n }\n let i = 0;\n while ((result = regExpDataPoints.exec(input)) !== null) {\n data[i++] = Number(result[1]);\n data[i++] = Number(result[2]);\n data[i++] = Number(result[3]);\n data[i++] = 1;\n }\n const lut = new LookupTexture(data, size);\n lut.domainMin.copy(domainMin);\n lut.domainMax.copy(domainMax);\n if (title !== null) {\n lut.name = title;\n }\n return lut;\n }\n};\n\n// src/loaders/SMAAImageLoader.js\nimport { Loader as Loader3, LoadingManager as LoadingManager5 } from \"three\";\nvar SMAAImageLoader = class extends Loader3 {\n load(onLoad = () => {\n }, onError = null) {\n if (arguments.length === 4) {\n onLoad = arguments[1];\n onError = arguments[3];\n } else if (arguments.length === 3 || typeof arguments[0] !== \"function\") {\n onLoad = arguments[1];\n onError = null;\n }\n const externalManager = this.manager;\n const internalManager = new LoadingManager5();\n return new Promise((resolve, reject) => {\n const searchImage = new Image();\n const areaImage = new Image();\n internalManager.onError = (url) => {\n externalManager.itemError(url);\n if (onError !== null) {\n onError(`Failed to load ${url}`);\n resolve();\n } else {\n reject(`Failed to load ${url}`);\n }\n };\n internalManager.onLoad = () => {\n const result = [searchImage, areaImage];\n onLoad(result);\n resolve(result);\n };\n searchImage.addEventListener(\"error\", (e) => {\n internalManager.itemError(\"smaa-search\");\n });\n areaImage.addEventListener(\"error\", (e) => {\n internalManager.itemError(\"smaa-area\");\n });\n searchImage.addEventListener(\"load\", () => {\n externalManager.itemEnd(\"smaa-search\");\n internalManager.itemEnd(\"smaa-search\");\n });\n areaImage.addEventListener(\"load\", () => {\n externalManager.itemEnd(\"smaa-area\");\n internalManager.itemEnd(\"smaa-area\");\n });\n externalManager.itemStart(\"smaa-search\");\n externalManager.itemStart(\"smaa-area\");\n internalManager.itemStart(\"smaa-search\");\n internalManager.itemStart(\"smaa-area\");\n searchImage.src = searchImageDataURL_default;\n areaImage.src = areaImageDataURL_default;\n });\n }\n};\nexport {\n AdaptiveLuminanceMaterial,\n AdaptiveLuminancePass,\n BlendFunction,\n BlendMode,\n BloomEffect,\n KawaseBlurPass as BlurPass,\n BokehEffect,\n BokehMaterial,\n BoxBlurMaterial,\n BoxBlurPass,\n BrightnessContrastEffect,\n ChromaticAberrationEffect,\n CircleOfConfusionMaterial,\n ClearMaskPass,\n ClearPass,\n ColorAverageEffect,\n ColorChannel,\n ColorDepthEffect,\n EdgeDetectionMaterial as ColorEdgesMaterial,\n KawaseBlurMaterial as ConvolutionMaterial,\n CopyMaterial,\n CopyPass,\n DepthComparisonMaterial,\n DepthCopyMaterial,\n DepthCopyMode,\n DepthCopyPass,\n DepthDownsamplingMaterial,\n DepthDownsamplingPass,\n DepthEffect,\n DepthMaskMaterial,\n DepthOfFieldEffect,\n DepthPass,\n DepthPickingPass,\n DepthCopyPass as DepthSavePass,\n DepthTestStrategy,\n Disposable,\n DotScreenEffect,\n DownsamplingMaterial,\n EdgeDetectionMaterial,\n EdgeDetectionMode,\n Effect,\n EffectAttribute,\n EffectComposer,\n EffectMaterial,\n EffectPass,\n EffectShaderData,\n EffectShaderSection,\n FXAAEffect,\n GammaCorrectionEffect,\n GaussKernel,\n GaussianBlurMaterial,\n GaussianBlurPass,\n GlitchEffect,\n GlitchMode,\n GodRaysEffect,\n GodRaysMaterial,\n GridEffect,\n HueSaturationEffect,\n Initializable,\n KawaseBlurMaterial,\n KawaseBlurPass,\n KernelSize,\n LUT1DEffect,\n LUT3DEffect,\n LUT3dlLoader,\n LUTCubeLoader,\n LUT3DEffect as LUTEffect,\n LUTOperation,\n LambdaPass,\n LookupTexture,\n LookupTexture as LookupTexture3D,\n LuminanceMaterial,\n LuminancePass,\n MaskFunction,\n MaskMaterial,\n MaskPass,\n MipmapBlurPass,\n NoiseEffect,\n NoiseTexture,\n NormalPass,\n OutlineMaterial as OutlineEdgesMaterial,\n OutlineEffect,\n OutlineMaterial,\n OverrideMaterialManager,\n Pass,\n PixelationEffect,\n PredicationMode,\n RawImageData,\n RealisticBokehEffect,\n RenderPass,\n Resizable,\n Resolution as Resizer,\n Resolution,\n SMAAAreaImageData,\n SMAAEffect,\n SMAAImageGenerator,\n SMAAImageLoader,\n SMAAPreset,\n SMAASearchImageData,\n SMAAWeightsMaterial,\n SSAOEffect,\n SSAOMaterial,\n CopyPass as SavePass,\n ScanlineEffect,\n EffectShaderSection as Section,\n Selection,\n SelectiveBloomEffect,\n SepiaEffect,\n ShaderPass,\n ShockWaveEffect,\n TetrahedralUpscaler,\n TextureEffect,\n TiltShiftBlurMaterial,\n TiltShiftBlurPass,\n TiltShiftEffect,\n Timer,\n ToneMappingEffect,\n ToneMappingMode,\n UpsamplingMaterial,\n VignetteEffect,\n VignetteTechnique,\n WebGLExtension\n};\n", "import { getScaleFactor } from './Scale';\n\n/**\n * @ignore\n */\nexport function getOrbitShaderFragment() {\n return `\n varying vec3 vColor;\n uniform sampler2D texture;\n\n void main() {\n gl_FragColor = vec4(vColor, 1.0) * texture2D(texture, gl_PointCoord);\n }\n `;\n}\n\n/**\n * @ignore\n */\nexport function getOrbitShaderVertex() {\n return `\n attribute vec3 fuzzColor;\n attribute vec3 origin;\n varying vec3 vColor;\n\n attribute float size;\n\n attribute float a;\n attribute float e;\n attribute float i;\n attribute float om;\n attribute float wBar;\n attribute float M;\n\n // Perihelion distance\n attribute float q;\n\n // CPU-computed term for parabolic orbits\n attribute float a0;\n\n // COSH Function (Hyperbolic Cosine)\n float cosh(float val) {\n float tmp = exp(val);\n float cosH = (tmp + 1.0 / tmp) / 2.0;\n return cosH;\n }\n\n // TANH Function (Hyperbolic Tangent)\n float tanh(float val) {\n float tmp = exp(val);\n float tanH = (tmp - 1.0 / tmp) / (tmp + 1.0 / tmp);\n return tanH;\n }\n\n // SINH Function (Hyperbolic Sine)\n float sinh(float val) {\n float tmp = exp(val);\n float sinH = (tmp - 1.0 / tmp) / 2.0;\n return sinH;\n }\n\n // Cube root helper that assumes param is positive\n float cbrt(float x) {\n return exp(log(x) / 3.0);\n }\n\n vec3 getPosNearParabolic() {\n // See https://stjarnhimlen.se/comp/ppcomp.html#17\n float b = sqrt(1.0 + a0 * a0);\n float W = cbrt(b + a0) - cbrt(b - a0);\n float f = (1.0 - e) / (1.0 + e);\n\n float a1 = 2.0 / 3.0 + (2.0 / 5.0) * W * W;\n float a2 = 7.0 / 5.0 + (33.0 / 35.0) * W * W + (37.0 / 175.0) * pow(W, 4.0);\n float a3 =\n W * W * (432.0 / 175.0 + (956.0 / 1125.0) * W * W + (84.0 / 1575.0) * pow(W, 4.0));\n\n float C = (W * W) / (1.0 + W * W);\n float g = f * C * C;\n float w = W * (1.0 + f * C * (a1 + a2 * g + a3 * g * g));\n\n // True anomaly\n float v = 2.0 * atan(w);\n // Heliocentric distance\n float r = (q * (1.0 + w * w)) / (1.0 + w * w * f);\n\n // Compute heliocentric coords.\n float i_rad = i;\n float o_rad = om;\n float p_rad = wBar;\n float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n return vec3(X, Y, Z);\n }\n\n vec3 getPosHyperbolic() {\n float F0 = M;\n for (int count = 0; count < 100; count++) {\n float F1 = (M + e * (F0 * cosh(F0) - sinh(F0))) / (e * cosh(F0) - 1.0);\n float lastdiff = abs(F1 - F0);\n F0 = F1;\n\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n float F = F0;\n\n float v = 2.0 * atan(sqrt((e + 1.0) / (e - 1.0))) * tanh(F / 2.0);\n float r = ${getScaleFactor().toFixed(\n 1,\n )} * (a * (1.0 - e * e)) / (1.0 + e * cos(v));\n\n // Compute heliocentric coords.\n float i_rad = i;\n float o_rad = om;\n float p_rad = wBar;\n float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n return vec3(X, Y, Z);\n }\n\n vec3 getPosEllipsoid() {\n float i_rad = i;\n float o_rad = om;\n float p_rad = wBar;\n\n // Estimate eccentric and true anom using iterative approximation (this\n // is normally an intergral).\n float E0 = M;\n float E1 = M + e * sin(E0);\n float lastdiff = abs(E1-E0);\n E0 = E1;\n\n for (int count = 0; count < 100; count++) {\n E1 = M + e * sin(E0);\n lastdiff = abs(E1-E0);\n E0 = E1;\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n\n float E = E0;\n float v = 2.0 * atan(sqrt((1.0+e)/(1.0-e)) * tan(E/2.0));\n\n // Compute radius vector.\n float r = ${getScaleFactor().toFixed(\n 1,\n )} * a * (1.0 - e * e) / (1.0 + e * cos(v));\n\n // Compute heliocentric coords.\n float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n return vec3(X, Y, Z);\n }\n\n vec3 getPos() {\n if (e > 0.9 && e < 1.2) {\n return getPosNearParabolic();\n } else if (e > 1.2) {\n return getPosHyperbolic();\n }\n return getPosEllipsoid();\n }\n\n void main() {\n vColor = fuzzColor;\n\n vec3 newpos = getPos() + origin;\n vec4 mvPosition = modelViewMatrix * vec4(newpos, 1.0);\n gl_Position = projectionMatrix * mvPosition;\n gl_PointSize = size;\n }\n `;\n}\n\nexport const STAR_SHADER_FRAGMENT = `\n varying vec3 vColor;\n\n void main() {\n float a = 1.0 - 2.0 * length(gl_PointCoord - vec2(0.5, 0.5));\n gl_FragColor = vec4(vColor, a);\n }\n`;\n\nexport const STAR_SHADER_VERTEX = `\n attribute float size;\n varying vec3 vColor;\n\n void main() {\n vColor = color;\n vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);\n gl_PointSize = size;\n gl_Position = projectionMatrix * mvPosition;\n }\n`;\n\nexport const GENERIC_PARTICLE_SHADER_VERTEX = `\n attribute float size;\n attribute vec3 customColor;\n varying vec3 vColor;\n void main() {\n vColor = customColor;\n vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);\n gl_PointSize = size * (300.0 / -mvPosition.z);\n gl_Position = projectionMatrix * mvPosition;\n }\n`;\n\nexport const GENERIC_PARTICLE_SHADER_FRAGMENT = `\n uniform vec3 color;\n uniform sampler2D texture;\n varying vec3 vColor;\n void main() {\n gl_FragColor = vec4(color * vColor, 1.0);\n gl_FragColor = gl_FragColor * texture2D(texture, gl_PointCoord);\n if (gl_FragColor.a < ALPHATEST) discard;\n }\n`;\n\nexport const ATMOSPHERE_SHADER_VERTEX = `\n uniform vec3 lightPos;\n\n varying vec2 vUv;\n varying vec3 vecPos;\n varying vec3 vecNormal;\n //varying vec3 vNormal;\n\n varying vec3 vViewLightPos;\n\n void main() {\n //vNormal = normalize(normalMatrix * normal);\n //gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\n\n vUv = uv;\n // Since the light is in camera coordinates,\n // I'll need the vertex position in camera coords too\n vecPos = (modelViewMatrix * vec4(position, 1.0)).xyz;\n // That's NOT exacly how you should transform your\n // normals but this will work fine, since my model\n // matrix is pretty basic\n vecNormal = (modelViewMatrix * vec4(normal, 0.0)).xyz;\n vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz;\n gl_Position = projectionMatrix * vec4(vecPos, 1.0);\n }\n`;\n\n// With help from https://stackoverflow.com/questions/43621274/how-to-correctly-set-lighting-for-custom-shader-material\nexport const ATMOSPHERE_SHADER_FRAGMENT = `\n uniform float c;\n uniform float p;\n uniform vec3 color;\n\n varying vec2 vUv;\n varying vec3 vecPos;\n varying vec3 vecNormal;\n varying vec3 vViewLightPos;\n\n void main() {\n float intensity = pow(c - dot(vecNormal, vec3(0.0, 0.0, 1.0)), p);\n\n vec4 addedLights = vec4(0.0, 0.0, 0.0, 1.0);\n vec3 lightDirection = normalize(vecPos - vViewLightPos);\n addedLights.rgb += clamp(dot(-lightDirection, vecNormal), 0.0, 1.0)\n * 1.0 /* intensity */;\n // * pointLights[i].color\n\n gl_FragColor = vec4(color, 1.0) * intensity * addedLights;\n }\n`;\n\nexport const SPHERE_SHADER_VERTEX = `\n uniform vec3 lightPos;\n\n varying vec2 vUv;\n varying vec3 vViewPosition;\n varying vec3 vViewLightPos;\n varying vec3 vNormal;\n\n void main() {\n vUv = uv;\n vec4 vViewPosition4 = modelViewMatrix * vec4(position, 1.0);\n vViewPosition = vViewPosition4.xyz;\n vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz;\n vNormal = normalMatrix * normal;\n\n gl_Position = projectionMatrix * vViewPosition4;\n }\n`;\n\nexport const SPHERE_SHADER_FRAGMENT = `\n uniform sampler2D sphereTexture;\n\n varying vec2 vUv;\n varying vec3 vNormal;\n varying vec3 vViewPosition;\n varying vec3 vViewLightPos;\n\n void main() {\n vec3 normal = normalize(vNormal);\n vec3 lightDir = normalize(vViewLightPos - vViewPosition);\n float lambertian = max(dot(normal, lightDir), 0.0);\n gl_FragColor = texture2D(sphereTexture, vUv) * vec4(vec3(1.0) * lambertian, 1.0);\n }\n`;\n\nexport const RING_SHADER_VERTEX = `\n varying vec3 vPos;\n varying vec3 vWorldPosition;\n varying vec3 vNormal;\n\n void main() {\n vPos = position;\n vec4 worldPosition = (modelMatrix * vec4(position, 1.));\n gl_Position = projectionMatrix * viewMatrix * vec4(worldPosition.xyz, 1.);\n\n vNormal = normalMatrix * normal;\n vWorldPosition = worldPosition.xyz;\n }\n`;\n\nexport const RING_SHADER_FRAGMENT = `\n uniform sampler2D ringTexture;\n uniform float innerRadius;\n uniform float outerRadius;\n uniform vec3 lightPos;\n\n varying vec3 vNormal;\n varying vec3 vPos;\n varying vec3 vWorldPosition;\n\n vec4 color() {\n vec2 uv = vec2(0);\n uv.x = (length(vPos) - innerRadius) / (outerRadius - innerRadius);\n if (uv.x < 0.0 || uv.x > 1.0) {\n discard;\n }\n\n vec4 pixel = texture2D(ringTexture, uv);\n return pixel;\n }\n\n vec3 shadow() {\n vec3 lightDir = normalize(vPos - lightPos);\n vec3 planetPos = vec3(0);\n\n vec3 ringPos = vPos - planetPos;\n float posDotLightDir = dot(ringPos, lightDir);\n float posDotLightDir2 = posDotLightDir * posDotLightDir;\n\n // TODO(ian): Generalize this line.\n float radius = 0.0389259903; // radius of saturn in coordinate system\n float radius2 = radius * radius;\n\n if (posDotLightDir > 0.0 && dot(ringPos, ringPos) - posDotLightDir2 < radius2) {\n return vec3(0.0);\n }\n return vec3(1.0);\n }\n\n vec3 lights() {\n vec3 lightDirection = normalize(vWorldPosition - lightPos);\n float c = 0.35 + max(0.0, dot(vNormal, lightDirection)) * 0.4;\n\n return vec3(c);\n }\n\n void main() {\n // NOTE: The order of multiplication matters here. color() may call\n // discard, which would cause problems on some Windows graphics drivers if\n // it is a left operand.\n // https://github.com/typpo/spacekit/issues/22\n gl_FragColor = vec4(lights() * shadow(), 1.0) * color();\n }\n`;\n", "import * as THREE from 'three';\n\nimport { getThreeJsTexture } from './util';\n\nimport { Coordinate3d } from './Coordinates';\nimport { getOrbitShaderVertex, getOrbitShaderFragment } from './shaders';\nimport { Orbit, OrbitType } from './Orbit';\n\nimport type { Ephem } from './Ephem';\nimport type { Simulation, SimulationContext } from './Simulation';\n\ninterface BaseKeplerParticleOptions {\n color?: number;\n textureUrl?: string;\n basePath?: string;\n jd?: number;\n maxNumParticles?: number;\n}\n\n// TODO(ian): Clean this up - we probably don't need a separate type.\ntype KeplerParticlesOptions = BaseKeplerParticleOptions & {\n defaultSize?: number;\n};\n\ntype KeplerParticleOptions = BaseKeplerParticleOptions & {\n particleSize?: number;\n};\n\ninterface ShaderAttributes {\n size: THREE.BufferAttribute;\n origin: THREE.BufferAttribute;\n position: THREE.BufferAttribute;\n fuzzColor: THREE.BufferAttribute;\n a: THREE.BufferAttribute;\n e: THREE.BufferAttribute;\n i: THREE.BufferAttribute;\n om: THREE.BufferAttribute;\n ma: THREE.BufferAttribute;\n n: THREE.BufferAttribute;\n w: THREE.BufferAttribute;\n wBar: THREE.BufferAttribute;\n q: THREE.BufferAttribute;\n M: THREE.BufferAttribute;\n a0: THREE.BufferAttribute;\n}\n\nconst DEFAULT_PARTICLE_COUNT = 4096;\n\n/**\n * Compute mean anomaly at date. Used for elliptical and hyperbolic orbits.\n */\nfunction getM(ephem: Ephem, jd: number): number {\n const d = jd - ephem.get('epoch');\n return ephem.get('ma') + ephem.get('n') * d;\n}\n\nconst PARABOLIC_K = 0.01720209895;\nfunction getA0(ephem: Ephem, jd: number): number {\n const tp = ephem.get('tp');\n const e = ephem.get('e');\n const q = ephem.get('q');\n const d = jd - tp;\n return 0.75 * d * PARABOLIC_K * Math.sqrt((1 + e) / (q * q * q));\n}\n\n/**\n * An efficient way to render many objects in space with Kepler orbits.\n * Primarily used by Simulation to render all non-static objects.\n * @see Simulation\n */\nexport class KeplerParticles {\n static instanceCount: number;\n\n private id: string;\n\n private options: KeplerParticlesOptions;\n\n private simulation: Simulation;\n\n private context: SimulationContext;\n\n private addedToScene: boolean;\n\n private particleCount: number;\n\n private elements: Ephem[];\n\n private uniforms: {\n texture: { value: THREE.Texture };\n };\n\n private geometry: THREE.BufferGeometry;\n\n private shaderMaterial: THREE.ShaderMaterial;\n\n private particleSystem: THREE.Points;\n\n private attributes: ShaderAttributes;\n\n /**\n * @param {Object} options Options container\n * @param {Object} options.textureUrl Template url for sprite\n * @param {Object} options.basePath Base path for simulation supporting files\n * @param {Number} options.jd JD date value\n * @param {Number} options.maxNumParticles Maximum number of particles to display. Defaults to 4096\n * @param {Number} options.defaultSize Default size of particles. Note this\n * can be overriden by SpaceObject particleSize. Defaults to 25\n * @param {Object} contextOrSimulation Simulation context or object\n */\n constructor(\n options: KeplerParticlesOptions,\n contextOrSimulation: Simulation,\n ) {\n this.options = options;\n\n this.id = `KeplerParticles__${KeplerParticles.instanceCount}`;\n\n this.simulation = contextOrSimulation;\n this.context = contextOrSimulation.getContext();\n\n // Whether Points object has been added to the Simulation/Scene. This\n // happens lazily when the first data point is added in order to prevent\n // WebGL render warnings.\n this.addedToScene = false;\n\n // Number of particles in the scene.\n this.particleCount = 0;\n\n if (!this.options.textureUrl) {\n throw new Error('ParticleSystem requires textureUrl to be set');\n }\n\n const defaultMapTexture = getThreeJsTexture(\n this.options.textureUrl,\n this.context.options.basePath,\n );\n\n this.uniforms = {\n texture: { value: defaultMapTexture },\n };\n\n const particleCount =\n this.options.maxNumParticles || DEFAULT_PARTICLE_COUNT;\n this.elements = [];\n this.attributes = {\n size: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n origin: new THREE.BufferAttribute(new Float32Array(particleCount * 3), 3),\n position: new THREE.BufferAttribute(\n new Float32Array(particleCount * 3),\n 3,\n ),\n fuzzColor: new THREE.BufferAttribute(\n new Float32Array(particleCount * 3),\n 3,\n ),\n\n a: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n e: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n i: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n om: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n ma: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n n: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n w: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n wBar: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n q: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n\n M: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n a0: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n };\n this.attributes.M.setUsage(THREE.DynamicDrawUsage);\n this.attributes.a0.setUsage(THREE.DynamicDrawUsage);\n\n const geometry = new THREE.BufferGeometry();\n geometry.setDrawRange(0, 0);\n Object.keys(this.attributes).forEach((attributeName) => {\n const attribute =\n this.attributes[attributeName as keyof ShaderAttributes];\n geometry.setAttribute(attributeName, attribute);\n });\n\n const shader = new THREE.ShaderMaterial({\n uniforms: this.uniforms,\n vertexShader: getOrbitShaderVertex(),\n fragmentShader: getOrbitShaderFragment(),\n\n depthTest: true,\n depthWrite: false,\n transparent: true,\n });\n\n this.shaderMaterial = shader;\n this.geometry = geometry;\n this.particleSystem = new THREE.Points(geometry, shader);\n }\n\n /**\n * Add a particle to this particle system.\n * @param {Ephem} ephem Kepler ephemeris\n * @param {Object} options Options container\n * @param {Number} options.particleSize Size of particles\n * @param {Number} options.color Color of particles\n * @return {Number} The index of this article in the attribute list.\n */\n addParticle(ephem: Ephem, options: KeplerParticleOptions = {}): number {\n this.elements.push(ephem);\n const attributes = this.attributes;\n const offset = this.particleCount++;\n\n attributes.size.set(\n [options.particleSize || this.options.defaultSize || 15],\n offset,\n );\n const color = new THREE.Color(options.color || 0xffffff);\n attributes.fuzzColor.set([color.r, color.g, color.b], offset * 3);\n\n attributes.origin.set([0, 0, 0], offset * 3);\n\n attributes.a.set([ephem.get('a')], offset);\n attributes.e.set([ephem.get('e')], offset);\n attributes.i.set([ephem.get('i', 'rad')], offset);\n attributes.om.set([ephem.get('om', 'rad')], offset);\n attributes.wBar.set([ephem.get('wBar', 'rad')], offset);\n attributes.q.set([ephem.get('q')], offset);\n\n if (Orbit.getOrbitType(ephem) === OrbitType.PARABOLIC) {\n attributes.a0.set([getA0(ephem, this.options.jd || 0)], offset);\n } else {\n attributes.M.set([getM(ephem, this.options.jd || 0)], offset);\n }\n\n // TODO(ian): Set the update range\n for (const attributeKey in attributes) {\n if (attributes.hasOwnProperty(attributeKey)) {\n attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n }\n }\n this.geometry.setDrawRange(0, this.particleCount);\n\n if (!this.addedToScene && this.simulation) {\n // This happens lazily when the first data point is added in order to\n // prevent WebGL render warnings.\n this.simulation.addObject(this);\n this.addedToScene = true;\n }\n\n return offset;\n }\n\n /**\n * Hides the particle at the given offset so it is no longer drawn. The particle still takes up space in the array\n * though.\n * @param offset\n */\n hideParticle(offset: number) {\n const attributes = this.attributes;\n attributes.size.set([0], offset);\n\n for (const attributeKey in attributes) {\n if (attributes.hasOwnProperty(attributeKey)) {\n attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n }\n }\n }\n\n /**\n * Changes the size of the particle at the given offset to the given size. Setting the size to 0 hides the particle.\n * @param {Number} size The new size of this particle\n * @param {Number} offset The location of this particle in the attributes * array\n */\n setParticleSize(size: number, offset: number) {\n const attributes = this.attributes;\n attributes.size.set([size], offset);\n\n for (const attributeKey in attributes) {\n if (attributes.hasOwnProperty(attributeKey)) {\n attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n }\n }\n }\n\n /**\n * Changes the color of the particle at the given offset to the given color.\n * @param {Number} colorValue The new color of this particle (e.g. hex number)\n * @param {Number} offset The location of this particle in the attributes * array\n */\n setParticleColor(colorValue: number, offset: number) {\n const attributes = this.attributes;\n const { r, g, b } = new THREE.Color(colorValue);\n attributes.fuzzColor.set([r, g, b], offset * 3);\n\n for (const attributeKey in attributes) {\n if (attributes.hasOwnProperty(attributeKey)) {\n attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n }\n }\n }\n\n /**\n * Change the `origin` attribute of a particle.\n * @param {Number} offset The location of this particle in the attributes * array.\n * @param {Array.} newOrigin The new XYZ coordinates of the body that this particle orbits.\n */\n setParticleOrigin(offset: number, newOrigin: Coordinate3d) {\n this.attributes.origin.set(newOrigin, offset * 3);\n this.attributes.origin.needsUpdate = true;\n }\n\n /**\n * Update the position for all particles\n * @param {Number} jd JD date\n */\n update(jd: number) {\n const Ms: number[] = [];\n const a0s: number[] = [];\n for (let i = 0; i < this.elements.length; i++) {\n const ephem = this.elements[i];\n\n let M, a0;\n if (Orbit.getOrbitType(ephem) === OrbitType.PARABOLIC) {\n a0 = getA0(ephem, jd);\n M = 0;\n } else {\n a0 = 0;\n M = getM(ephem, jd);\n }\n\n Ms.push(M);\n a0s.push(a0);\n }\n\n this.attributes.M.set(Ms);\n this.attributes.M.needsUpdate = true;\n\n this.attributes.a0.set(a0s);\n this.attributes.a0.needsUpdate = true;\n }\n\n /**\n * Get THREE.js objects that comprise this point cloud\n * @return {Array.} List of objects to add to THREE.js scene\n */\n get3jsObjects(): THREE.Object3D[] {\n return [this.particleSystem];\n }\n\n /**\n * Get unique id for this object.\n * @return {String} Unique id\n */\n getId(): string {\n return this.id;\n }\n}\n\nKeplerParticles.instanceCount = 0;\n", "import {\n\tBufferGeometry,\n\tFileLoader,\n\tFloat32BufferAttribute,\n\tGroup,\n\tLineBasicMaterial,\n\tLineSegments,\n\tLoader,\n\tMaterial,\n\tMesh,\n\tMeshPhongMaterial,\n\tPoints,\n\tPointsMaterial,\n\tVector3\n} from 'three';\n\n// o object_name | g group_name\nconst _object_pattern = /^[og]\\s*(.+)?/;\n// mtllib file_reference\nconst _material_library_pattern = /^mtllib /;\n// usemtl material_name\nconst _material_use_pattern = /^usemtl /;\n// usemap map_name\nconst _map_use_pattern = /^usemap /;\n\nconst _vA = new Vector3();\nconst _vB = new Vector3();\nconst _vC = new Vector3();\n\nconst _ab = new Vector3();\nconst _cb = new Vector3();\n\nfunction ParserState() {\n\n\tconst state = {\n\t\tobjects: [],\n\t\tobject: {},\n\n\t\tvertices: [],\n\t\tnormals: [],\n\t\tcolors: [],\n\t\tuvs: [],\n\n\t\tmaterials: {},\n\t\tmaterialLibraries: [],\n\n\t\tstartObject: function ( name, fromDeclaration ) {\n\n\t\t\t// If the current object (initial from reset) is not from a g/o declaration in the parsed\n\t\t\t// file. We need to use it for the first parsed g/o to keep things in sync.\n\t\t\tif ( this.object && this.object.fromDeclaration === false ) {\n\n\t\t\t\tthis.object.name = name;\n\t\t\t\tthis.object.fromDeclaration = ( fromDeclaration !== false );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tconst previousMaterial = ( this.object && typeof this.object.currentMaterial === 'function' ? this.object.currentMaterial() : undefined );\n\n\t\t\tif ( this.object && typeof this.object._finalize === 'function' ) {\n\n\t\t\t\tthis.object._finalize( true );\n\n\t\t\t}\n\n\t\t\tthis.object = {\n\t\t\t\tname: name || '',\n\t\t\t\tfromDeclaration: ( fromDeclaration !== false ),\n\n\t\t\t\tgeometry: {\n\t\t\t\t\tvertices: [],\n\t\t\t\t\tnormals: [],\n\t\t\t\t\tcolors: [],\n\t\t\t\t\tuvs: [],\n\t\t\t\t\thasUVIndices: false\n\t\t\t\t},\n\t\t\t\tmaterials: [],\n\t\t\t\tsmooth: true,\n\n\t\t\t\tstartMaterial: function ( name, libraries ) {\n\n\t\t\t\t\tconst previous = this._finalize( false );\n\n\t\t\t\t\t// New usemtl declaration overwrites an inherited material, except if faces were declared\n\t\t\t\t\t// after the material, then it must be preserved for proper MultiMaterial continuation.\n\t\t\t\t\tif ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {\n\n\t\t\t\t\t\tthis.materials.splice( previous.index, 1 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst material = {\n\t\t\t\t\t\tindex: this.materials.length,\n\t\t\t\t\t\tname: name || '',\n\t\t\t\t\t\tmtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),\n\t\t\t\t\t\tsmooth: ( previous !== undefined ? previous.smooth : this.smooth ),\n\t\t\t\t\t\tgroupStart: ( previous !== undefined ? previous.groupEnd : 0 ),\n\t\t\t\t\t\tgroupEnd: - 1,\n\t\t\t\t\t\tgroupCount: - 1,\n\t\t\t\t\t\tinherited: false,\n\n\t\t\t\t\t\tclone: function ( index ) {\n\n\t\t\t\t\t\t\tconst cloned = {\n\t\t\t\t\t\t\t\tindex: ( typeof index === 'number' ? index : this.index ),\n\t\t\t\t\t\t\t\tname: this.name,\n\t\t\t\t\t\t\t\tmtllib: this.mtllib,\n\t\t\t\t\t\t\t\tsmooth: this.smooth,\n\t\t\t\t\t\t\t\tgroupStart: 0,\n\t\t\t\t\t\t\t\tgroupEnd: - 1,\n\t\t\t\t\t\t\t\tgroupCount: - 1,\n\t\t\t\t\t\t\t\tinherited: false\n\t\t\t\t\t\t\t};\n\t\t\t\t\t\t\tcloned.clone = this.clone.bind( cloned );\n\t\t\t\t\t\t\treturn cloned;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t};\n\n\t\t\t\t\tthis.materials.push( material );\n\n\t\t\t\t\treturn material;\n\n\t\t\t\t},\n\n\t\t\t\tcurrentMaterial: function () {\n\n\t\t\t\t\tif ( this.materials.length > 0 ) {\n\n\t\t\t\t\t\treturn this.materials[ this.materials.length - 1 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t},\n\n\t\t\t\t_finalize: function ( end ) {\n\n\t\t\t\t\tconst lastMultiMaterial = this.currentMaterial();\n\t\t\t\t\tif ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {\n\n\t\t\t\t\t\tlastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;\n\t\t\t\t\t\tlastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;\n\t\t\t\t\t\tlastMultiMaterial.inherited = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Ignore objects tail materials if no face declarations followed them before a new o/g started.\n\t\t\t\t\tif ( end && this.materials.length > 1 ) {\n\n\t\t\t\t\t\tfor ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {\n\n\t\t\t\t\t\t\tif ( this.materials[ mi ].groupCount <= 0 ) {\n\n\t\t\t\t\t\t\t\tthis.materials.splice( mi, 1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Guarantee at least one empty material, this makes the creation later more straight forward.\n\t\t\t\t\tif ( end && this.materials.length === 0 ) {\n\n\t\t\t\t\t\tthis.materials.push( {\n\t\t\t\t\t\t\tname: '',\n\t\t\t\t\t\t\tsmooth: this.smooth\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn lastMultiMaterial;\n\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// Inherit previous objects material.\n\t\t\t// Spec tells us that a declared material must be set to all objects until a new material is declared.\n\t\t\t// If a usemtl declaration is encountered while this new object is being parsed, it will\n\t\t\t// overwrite the inherited material. Exception being that there was already face declarations\n\t\t\t// to the inherited material, then it will be preserved for proper MultiMaterial continuation.\n\n\t\t\tif ( previousMaterial && previousMaterial.name && typeof previousMaterial.clone === 'function' ) {\n\n\t\t\t\tconst declared = previousMaterial.clone( 0 );\n\t\t\t\tdeclared.inherited = true;\n\t\t\t\tthis.object.materials.push( declared );\n\n\t\t\t}\n\n\t\t\tthis.objects.push( this.object );\n\n\t\t},\n\n\t\tfinalize: function () {\n\n\t\t\tif ( this.object && typeof this.object._finalize === 'function' ) {\n\n\t\t\t\tthis.object._finalize( true );\n\n\t\t\t}\n\n\t\t},\n\n\t\tparseVertexIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 3 ) * 3;\n\n\t\t},\n\n\t\tparseNormalIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 3 ) * 3;\n\n\t\t},\n\n\t\tparseUVIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 2 ) * 2;\n\n\t\t},\n\n\t\taddVertex: function ( a, b, c ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddVertexPoint: function ( a ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\n\t\t},\n\n\t\taddVertexLine: function ( a ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\n\t\t},\n\n\t\taddNormal: function ( a, b, c ) {\n\n\t\t\tconst src = this.normals;\n\t\t\tconst dst = this.object.geometry.normals;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddFaceNormal: function ( a, b, c ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.normals;\n\n\t\t\t_vA.fromArray( src, a );\n\t\t\t_vB.fromArray( src, b );\n\t\t\t_vC.fromArray( src, c );\n\n\t\t\t_cb.subVectors( _vC, _vB );\n\t\t\t_ab.subVectors( _vA, _vB );\n\t\t\t_cb.cross( _ab );\n\n\t\t\t_cb.normalize();\n\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\n\t\t},\n\n\t\taddColor: function ( a, b, c ) {\n\n\t\t\tconst src = this.colors;\n\t\t\tconst dst = this.object.geometry.colors;\n\n\t\t\tif ( src[ a ] !== undefined ) dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tif ( src[ b ] !== undefined ) dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tif ( src[ c ] !== undefined ) dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddUV: function ( a, b, c ) {\n\n\t\t\tconst src = this.uvs;\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ] );\n\n\t\t},\n\n\t\taddDefaultUV: function () {\n\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( 0, 0 );\n\t\t\tdst.push( 0, 0 );\n\t\t\tdst.push( 0, 0 );\n\n\t\t},\n\n\t\taddUVLine: function ( a ) {\n\n\t\t\tconst src = this.uvs;\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ] );\n\n\t\t},\n\n\t\taddFace: function ( a, b, c, ua, ub, uc, na, nb, nc ) {\n\n\t\t\tconst vLen = this.vertices.length;\n\n\t\t\tlet ia = this.parseVertexIndex( a, vLen );\n\t\t\tlet ib = this.parseVertexIndex( b, vLen );\n\t\t\tlet ic = this.parseVertexIndex( c, vLen );\n\n\t\t\tthis.addVertex( ia, ib, ic );\n\t\t\tthis.addColor( ia, ib, ic );\n\n\t\t\t// normals\n\n\t\t\tif ( na !== undefined && na !== '' ) {\n\n\t\t\t\tconst nLen = this.normals.length;\n\n\t\t\t\tia = this.parseNormalIndex( na, nLen );\n\t\t\t\tib = this.parseNormalIndex( nb, nLen );\n\t\t\t\tic = this.parseNormalIndex( nc, nLen );\n\n\t\t\t\tthis.addNormal( ia, ib, ic );\n\n\t\t\t} else {\n\n\t\t\t\tthis.addFaceNormal( ia, ib, ic );\n\n\t\t\t}\n\n\t\t\t// uvs\n\n\t\t\tif ( ua !== undefined && ua !== '' ) {\n\n\t\t\t\tconst uvLen = this.uvs.length;\n\n\t\t\t\tia = this.parseUVIndex( ua, uvLen );\n\t\t\t\tib = this.parseUVIndex( ub, uvLen );\n\t\t\t\tic = this.parseUVIndex( uc, uvLen );\n\n\t\t\t\tthis.addUV( ia, ib, ic );\n\n\t\t\t\tthis.object.geometry.hasUVIndices = true;\n\n\t\t\t} else {\n\n\t\t\t\t// add placeholder values (for inconsistent face definitions)\n\n\t\t\t\tthis.addDefaultUV();\n\n\t\t\t}\n\n\t\t},\n\n\t\taddPointGeometry: function ( vertices ) {\n\n\t\t\tthis.object.geometry.type = 'Points';\n\n\t\t\tconst vLen = this.vertices.length;\n\n\t\t\tfor ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {\n\n\t\t\t\tconst index = this.parseVertexIndex( vertices[ vi ], vLen );\n\n\t\t\t\tthis.addVertexPoint( index );\n\t\t\t\tthis.addColor( index );\n\n\t\t\t}\n\n\t\t},\n\n\t\taddLineGeometry: function ( vertices, uvs ) {\n\n\t\t\tthis.object.geometry.type = 'Line';\n\n\t\t\tconst vLen = this.vertices.length;\n\t\t\tconst uvLen = this.uvs.length;\n\n\t\t\tfor ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {\n\n\t\t\t\tthis.addVertexLine( this.parseVertexIndex( vertices[ vi ], vLen ) );\n\n\t\t\t}\n\n\t\t\tfor ( let uvi = 0, l = uvs.length; uvi < l; uvi ++ ) {\n\n\t\t\t\tthis.addUVLine( this.parseUVIndex( uvs[ uvi ], uvLen ) );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tstate.startObject( '', false );\n\n\treturn state;\n\n}\n\n//\n\nclass OBJLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t\tthis.materials = null;\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( text ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tsetMaterials( materials ) {\n\n\t\tthis.materials = materials;\n\n\t\treturn this;\n\n\t}\n\n\tparse( text ) {\n\n\t\tconst state = new ParserState();\n\n\t\tif ( text.indexOf( '\\r\\n' ) !== - 1 ) {\n\n\t\t\t// This is faster than String.split with regex that splits on both\n\t\t\ttext = text.replace( /\\r\\n/g, '\\n' );\n\n\t\t}\n\n\t\tif ( text.indexOf( '\\\\\\n' ) !== - 1 ) {\n\n\t\t\t// join lines separated by a line continuation character (\\)\n\t\t\ttext = text.replace( /\\\\\\n/g, '' );\n\n\t\t}\n\n\t\tconst lines = text.split( '\\n' );\n\t\tlet line = '', lineFirstChar = '';\n\t\tlet lineLength = 0;\n\t\tlet result = [];\n\n\t\t// Faster to just trim left side of the line. Use if available.\n\t\tconst trimLeft = ( typeof ''.trimLeft === 'function' );\n\n\t\tfor ( let i = 0, l = lines.length; i < l; i ++ ) {\n\n\t\t\tline = lines[ i ];\n\n\t\t\tline = trimLeft ? line.trimLeft() : line.trim();\n\n\t\t\tlineLength = line.length;\n\n\t\t\tif ( lineLength === 0 ) continue;\n\n\t\t\tlineFirstChar = line.charAt( 0 );\n\n\t\t\t// @todo invoke passed in handler if any\n\t\t\tif ( lineFirstChar === '#' ) continue;\n\n\t\t\tif ( lineFirstChar === 'v' ) {\n\n\t\t\t\tconst data = line.split( /\\s+/ );\n\n\t\t\t\tswitch ( data[ 0 ] ) {\n\n\t\t\t\t\tcase 'v':\n\t\t\t\t\t\tstate.vertices.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 3 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tif ( data.length >= 7 ) {\n\n\t\t\t\t\t\t\tstate.colors.push(\n\t\t\t\t\t\t\t\tparseFloat( data[ 4 ] ),\n\t\t\t\t\t\t\t\tparseFloat( data[ 5 ] ),\n\t\t\t\t\t\t\t\tparseFloat( data[ 6 ] )\n\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// if no colors are defined, add placeholders so color and vertex indices match\n\n\t\t\t\t\t\t\tstate.colors.push( undefined, undefined, undefined );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'vn':\n\t\t\t\t\t\tstate.normals.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 3 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'vt':\n\t\t\t\t\t\tstate.uvs.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t} else if ( lineFirstChar === 'f' ) {\n\n\t\t\t\tconst lineData = line.substr( 1 ).trim();\n\t\t\t\tconst vertexData = lineData.split( /\\s+/ );\n\t\t\t\tconst faceVertices = [];\n\n\t\t\t\t// Parse the face vertex data into an easy to work with format\n\n\t\t\t\tfor ( let j = 0, jl = vertexData.length; j < jl; j ++ ) {\n\n\t\t\t\t\tconst vertex = vertexData[ j ];\n\n\t\t\t\t\tif ( vertex.length > 0 ) {\n\n\t\t\t\t\t\tconst vertexParts = vertex.split( '/' );\n\t\t\t\t\t\tfaceVertices.push( vertexParts );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// Draw an edge between the first vertex and all subsequent vertices to form an n-gon\n\n\t\t\t\tconst v1 = faceVertices[ 0 ];\n\n\t\t\t\tfor ( let j = 1, jl = faceVertices.length - 1; j < jl; j ++ ) {\n\n\t\t\t\t\tconst v2 = faceVertices[ j ];\n\t\t\t\t\tconst v3 = faceVertices[ j + 1 ];\n\n\t\t\t\t\tstate.addFace(\n\t\t\t\t\t\tv1[ 0 ], v2[ 0 ], v3[ 0 ],\n\t\t\t\t\t\tv1[ 1 ], v2[ 1 ], v3[ 1 ],\n\t\t\t\t\t\tv1[ 2 ], v2[ 2 ], v3[ 2 ]\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t} else if ( lineFirstChar === 'l' ) {\n\n\t\t\t\tconst lineParts = line.substring( 1 ).trim().split( ' ' );\n\t\t\t\tlet lineVertices = [];\n\t\t\t\tconst lineUVs = [];\n\n\t\t\t\tif ( line.indexOf( '/' ) === - 1 ) {\n\n\t\t\t\t\tlineVertices = lineParts;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( let li = 0, llen = lineParts.length; li < llen; li ++ ) {\n\n\t\t\t\t\t\tconst parts = lineParts[ li ].split( '/' );\n\n\t\t\t\t\t\tif ( parts[ 0 ] !== '' ) lineVertices.push( parts[ 0 ] );\n\t\t\t\t\t\tif ( parts[ 1 ] !== '' ) lineUVs.push( parts[ 1 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tstate.addLineGeometry( lineVertices, lineUVs );\n\n\t\t\t} else if ( lineFirstChar === 'p' ) {\n\n\t\t\t\tconst lineData = line.substr( 1 ).trim();\n\t\t\t\tconst pointData = lineData.split( ' ' );\n\n\t\t\t\tstate.addPointGeometry( pointData );\n\n\t\t\t} else if ( ( result = _object_pattern.exec( line ) ) !== null ) {\n\n\t\t\t\t// o object_name\n\t\t\t\t// or\n\t\t\t\t// g group_name\n\n\t\t\t\t// WORKAROUND: https://bugs.chromium.org/p/v8/issues/detail?id=2869\n\t\t\t\t// let name = result[ 0 ].substr( 1 ).trim();\n\t\t\t\tconst name = ( ' ' + result[ 0 ].substr( 1 ).trim() ).substr( 1 );\n\n\t\t\t\tstate.startObject( name );\n\n\t\t\t} else if ( _material_use_pattern.test( line ) ) {\n\n\t\t\t\t// material\n\n\t\t\t\tstate.object.startMaterial( line.substring( 7 ).trim(), state.materialLibraries );\n\n\t\t\t} else if ( _material_library_pattern.test( line ) ) {\n\n\t\t\t\t// mtl file\n\n\t\t\t\tstate.materialLibraries.push( line.substring( 7 ).trim() );\n\n\t\t\t} else if ( _map_use_pattern.test( line ) ) {\n\n\t\t\t\t// the line is parsed but ignored since the loader assumes textures are defined MTL files\n\t\t\t\t// (according to https://www.okino.com/conv/imp_wave.htm, 'usemap' is the old-style Wavefront texture reference method)\n\n\t\t\t\tconsole.warn( 'THREE.OBJLoader: Rendering identifier \"usemap\" not supported. Textures must be defined in MTL files.' );\n\n\t\t\t} else if ( lineFirstChar === 's' ) {\n\n\t\t\t\tresult = line.split( ' ' );\n\n\t\t\t\t// smooth shading\n\n\t\t\t\t// @todo Handle files that have varying smooth values for a set of faces inside one geometry,\n\t\t\t\t// but does not define a usemtl for each face set.\n\t\t\t\t// This should be detected and a dummy material created (later MultiMaterial and geometry groups).\n\t\t\t\t// This requires some care to not create extra material on each smooth value for \"normal\" obj files.\n\t\t\t\t// where explicit usemtl defines geometry groups.\n\t\t\t\t// Example asset: examples/models/obj/cerberus/Cerberus.obj\n\n\t\t\t\t/*\n\t\t\t\t\t * http://paulbourke.net/dataformats/obj/\n\t\t\t\t\t * or\n\t\t\t\t\t * http://www.cs.utah.edu/~boulos/cs3505/obj_spec.pdf\n\t\t\t\t\t *\n\t\t\t\t\t * From chapter \"Grouping\" Syntax explanation \"s group_number\":\n\t\t\t\t\t * \"group_number is the smoothing group number. To turn off smoothing groups, use a value of 0 or off.\n\t\t\t\t\t * Polygonal elements use group numbers to put elements in different smoothing groups. For free-form\n\t\t\t\t\t * surfaces, smoothing groups are either turned on or off; there is no difference between values greater\n\t\t\t\t\t * than 0.\"\n\t\t\t\t\t */\n\t\t\t\tif ( result.length > 1 ) {\n\n\t\t\t\t\tconst value = result[ 1 ].trim().toLowerCase();\n\t\t\t\t\tstate.object.smooth = ( value !== '0' && value !== 'off' );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// ZBrush can produce \"s\" lines #11707\n\t\t\t\t\tstate.object.smooth = true;\n\n\t\t\t\t}\n\n\t\t\t\tconst material = state.object.currentMaterial();\n\t\t\t\tif ( material ) material.smooth = state.object.smooth;\n\n\t\t\t} else {\n\n\t\t\t\t// Handle null terminated files without exception\n\t\t\t\tif ( line === '\\0' ) continue;\n\n\t\t\t\tconsole.warn( 'THREE.OBJLoader: Unexpected line: \"' + line + '\"' );\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.finalize();\n\n\t\tconst container = new Group();\n\t\tcontainer.materialLibraries = [].concat( state.materialLibraries );\n\n\t\tconst hasPrimitives = ! ( state.objects.length === 1 && state.objects[ 0 ].geometry.vertices.length === 0 );\n\n\t\tif ( hasPrimitives === true ) {\n\n\t\t\tfor ( let i = 0, l = state.objects.length; i < l; i ++ ) {\n\n\t\t\t\tconst object = state.objects[ i ];\n\t\t\t\tconst geometry = object.geometry;\n\t\t\t\tconst materials = object.materials;\n\t\t\t\tconst isLine = ( geometry.type === 'Line' );\n\t\t\t\tconst isPoints = ( geometry.type === 'Points' );\n\t\t\t\tlet hasVertexColors = false;\n\n\t\t\t\t// Skip o/g line declarations that did not follow with any faces\n\t\t\t\tif ( geometry.vertices.length === 0 ) continue;\n\n\t\t\t\tconst buffergeometry = new BufferGeometry();\n\n\t\t\t\tbuffergeometry.setAttribute( 'position', new Float32BufferAttribute( geometry.vertices, 3 ) );\n\n\t\t\t\tif ( geometry.normals.length > 0 ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'normal', new Float32BufferAttribute( geometry.normals, 3 ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.colors.length > 0 ) {\n\n\t\t\t\t\thasVertexColors = true;\n\t\t\t\t\tbuffergeometry.setAttribute( 'color', new Float32BufferAttribute( geometry.colors, 3 ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.hasUVIndices === true ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'uv', new Float32BufferAttribute( geometry.uvs, 2 ) );\n\n\t\t\t\t}\n\n\t\t\t\t// Create materials\n\n\t\t\t\tconst createdMaterials = [];\n\n\t\t\t\tfor ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {\n\n\t\t\t\t\tconst sourceMaterial = materials[ mi ];\n\t\t\t\t\tconst materialHash = sourceMaterial.name + '_' + sourceMaterial.smooth + '_' + hasVertexColors;\n\t\t\t\t\tlet material = state.materials[ materialHash ];\n\n\t\t\t\t\tif ( this.materials !== null ) {\n\n\t\t\t\t\t\tmaterial = this.materials.create( sourceMaterial.name );\n\n\t\t\t\t\t\t// mtl etc. loaders probably can't create line materials correctly, copy properties to a line material.\n\t\t\t\t\t\tif ( isLine && material && ! ( material instanceof LineBasicMaterial ) ) {\n\n\t\t\t\t\t\t\tconst materialLine = new LineBasicMaterial();\n\t\t\t\t\t\t\tMaterial.prototype.copy.call( materialLine, material );\n\t\t\t\t\t\t\tmaterialLine.color.copy( material.color );\n\t\t\t\t\t\t\tmaterial = materialLine;\n\n\t\t\t\t\t\t} else if ( isPoints && material && ! ( material instanceof PointsMaterial ) ) {\n\n\t\t\t\t\t\t\tconst materialPoints = new PointsMaterial( { size: 10, sizeAttenuation: false } );\n\t\t\t\t\t\t\tMaterial.prototype.copy.call( materialPoints, material );\n\t\t\t\t\t\t\tmaterialPoints.color.copy( material.color );\n\t\t\t\t\t\t\tmaterialPoints.map = material.map;\n\t\t\t\t\t\t\tmaterial = materialPoints;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( material === undefined ) {\n\n\t\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\t\tmaterial = new LineBasicMaterial();\n\n\t\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\t\tmaterial = new PointsMaterial( { size: 1, sizeAttenuation: false } );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tmaterial = new MeshPhongMaterial();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tmaterial.name = sourceMaterial.name;\n\t\t\t\t\t\tmaterial.flatShading = sourceMaterial.smooth ? false : true;\n\t\t\t\t\t\tmaterial.vertexColors = hasVertexColors;\n\n\t\t\t\t\t\tstate.materials[ materialHash ] = material;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcreatedMaterials.push( material );\n\n\t\t\t\t}\n\n\t\t\t\t// Create mesh\n\n\t\t\t\tlet mesh;\n\n\t\t\t\tif ( createdMaterials.length > 1 ) {\n\n\t\t\t\t\tfor ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {\n\n\t\t\t\t\t\tconst sourceMaterial = materials[ mi ];\n\t\t\t\t\t\tbuffergeometry.addGroup( sourceMaterial.groupStart, sourceMaterial.groupCount, mi );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\tmesh = new LineSegments( buffergeometry, createdMaterials );\n\n\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\tmesh = new Points( buffergeometry, createdMaterials );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tmesh = new Mesh( buffergeometry, createdMaterials );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\tmesh = new LineSegments( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\tmesh = new Points( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tmesh = new Mesh( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tmesh.name = object.name;\n\n\t\t\t\tcontainer.add( mesh );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// if there is only the default parser state object with no geometry data, interpret data as point cloud\n\n\t\t\tif ( state.vertices.length > 0 ) {\n\n\t\t\t\tconst material = new PointsMaterial( { size: 1, sizeAttenuation: false } );\n\n\t\t\t\tconst buffergeometry = new BufferGeometry();\n\n\t\t\t\tbuffergeometry.setAttribute( 'position', new Float32BufferAttribute( state.vertices, 3 ) );\n\n\t\t\t\tif ( state.colors.length > 0 && state.colors[ 0 ] !== undefined ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'color', new Float32BufferAttribute( state.colors, 3 ) );\n\t\t\t\t\tmaterial.vertexColors = true;\n\n\t\t\t\t}\n\n\t\t\t\tconst points = new Points( buffergeometry, material );\n\t\t\t\tcontainer.add( points );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn container;\n\n\t}\n\n}\n\nexport { OBJLoader };\n", "import * as THREE from 'three';\n\nimport type { PerspectiveCamera } from 'three';\n\nimport { EphemPresets } from './EphemPresets';\nimport { Orbit } from './Orbit';\nimport { getFullTextureUrl } from './util';\nimport { rescaleArray, rescaleNumber } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\nimport type { Ephem } from './Ephem';\nimport type { EphemerisTable } from './EphemerisTable';\nimport type {\n Simulation,\n SimulationContext,\n SimulationObject,\n} from './Simulation';\n\nexport interface SpaceObjectOptions {\n position?: Coordinate3d;\n scale?: [number, number, number];\n particleSize?: number;\n labelText?: string;\n labelUrl?: string;\n hideOrbit?: boolean;\n axialTilt?: number;\n color?: number;\n radius?: number;\n levelsOfDetail?: { radii: number; segments: number }[];\n atmosphere?: {\n color?: number;\n innerSizeRatio?: number;\n outerSizeRatio?: number;\n enable?: boolean;\n };\n orbitPathSettings?: {\n leadDurationYears?: number;\n trailDurationYears?: number;\n numberSamplePoints?: number;\n };\n ephem?: Ephem;\n ephemTable?: EphemerisTable;\n textureUrl?: string;\n basePath?: string;\n rotation?: {\n enable: boolean;\n period: number;\n speed?: number;\n lambdaDeg?: number;\n betaDeg?: number;\n yorp?: number;\n phi0?: number;\n jd0?: number;\n };\n shape?: {\n shapeUrl?: string;\n color?: number;\n };\n ecliptic?: {\n lineColor?: number;\n displayLines?: boolean;\n };\n theme?: {\n color?: number;\n orbitColor?: number;\n };\n debug?: {\n showAxes: boolean;\n showGrid: boolean;\n };\n}\n\n/**\n * @private\n * Minimum number of degrees per day an object must move in order for its\n * position to be updated in the visualization.\n */\n// const MIN_DEG_MOVE_PER_DAY: number = 0.05;\n\n/**\n * @private\n * Number of milliseconds between label position updates.\n */\nconst LABEL_UPDATE_MS: number = 30;\n\n/**\n * @private\n * Converts [X, Y, Z] position in visualization to pixel coordinates.\n */\nfunction toScreenXY(\n position: Coordinate3d,\n camera: PerspectiveCamera,\n canvas: HTMLCanvasElement,\n): { x: number; y: number } {\n const pos = new THREE.Vector3(position[0], position[1], position[2]);\n pos.project(camera);\n return {\n x: ((pos.x + 1) * canvas.clientWidth) / 2,\n y: ((-pos.y + 1) * canvas.clientHeight) / 2,\n };\n}\n\n/**\n * An object that can be added to a visualization.\n * @example\n * ```\n * const myObject = viz.addObject('planet1', {\n * position: [0, 0, 0],\n * scale: [1, 1, 1],\n * particleSize: 5,\n * labelText: 'My object',\n * labelUrl: 'http://...',\n * hideOrbit: false,\n * ephem: new Spacekit.Ephem({...}),\n * textureUrl: '/path/to/spriteTexture.png',\n * basePath: '/base',\n * ecliptic: {\n * lineColor: 0xCCCCCC,\n * displayLines: false,\n * },\n * theme: {\n * color: 0xFFFFFF,\n * orbitColor: 0x888888,\n * },\n * });\n * ```\n */\nexport class SpaceObject implements SimulationObject {\n protected _id: string;\n\n protected _options: SpaceObjectOptions;\n\n protected _simulation: Simulation;\n\n protected _context: SimulationContext;\n\n protected _renderMethod?:\n | 'SPRITE'\n | 'PARTICLESYSTEM'\n | 'ROTATING_OBJECT'\n | 'SPHERE';\n\n protected _initialized: boolean;\n\n private _object3js?: THREE.Object3D;\n\n private _useEphemTable: boolean;\n\n private _isStaticObject: boolean;\n\n private _label?: HTMLElement;\n\n private _showLabel: boolean;\n\n private _lastLabelUpdate: number;\n\n // private _lastPositionUpdate: number;\n\n private _position: Coordinate3d;\n\n private _orbitAround?: SpaceObject;\n\n private _scale: [number, number, number];\n\n private _particleIndex?: number;\n\n // private _degreesPerDay?: number;\n\n private _orbitPath?: THREE.Object3D;\n\n private _eclipticLines?: THREE.Object3D;\n\n private _orbit?: Orbit;\n\n /**\n * @param {String} id Unique id of this object\n * @param {Object} options Options container\n * @param {Array.} options.position [X, Y, Z] heliocentric coordinates of object. Defaults to [0, 0, 0]\n * @param {Array.} options.scale Scale of object on each [X, Y, Z] axis. Defaults to [1, 1, 1]\n * @param {Number} options.particleSize Size of particle if this object is a Kepler object being represented as a particle.\n * @param {String} options.labelText Text label to display above object (set undefined for no label)\n * @param {String} options.labelUrl Label becomes a link that goes to this url.\n * @param {boolean} options.hideOrbit If true, don't show an orbital ellipse. Defaults false.\n * @param {Object} options.orbitPathSettings Contains settings for defining the orbit path\n * @param {Object} options.orbitPathSettings.leadDurationYears orbit path lead time in years\n * @param {Object} options.orbitPathSettings.trailDurationYears orbit path trail time in years\n * @param {Object} options.orbitPathSettings.numberSamplePoints number of\n * points to use when drawing the orbit line. Only applicable for\n * non-elliptical and ephemeris table orbits.\n * @param {Ephem} options.ephem Ephemerides for this orbit\n * @param {EphemerisTable} options.ephemTable ephemeris table object which represents look up ephemeris\n * @param {String} options.textureUrl Texture for sprite\n * @param {String} options.basePath Base path for simulation assets and data\n * @param {Object} options.ecliptic Contains settings related to ecliptic\n * @param {Number} options.ecliptic.lineColor Hex color of lines that run perpendicular to ecliptic. @see Orbit\n * @param {boolean} options.ecliptic.displayLines Whether to show ecliptic lines. Defaults false.\n * @param {Object} options.theme Contains settings related to appearance of orbit\n * @param {Number} options.theme.color Hex color of the object, if applicable\n * @param {Number} options.theme.orbitColor Hex color of the orbit\n * @param {Simulation} contextOrSimulation Simulation context or simulation object\n * @param {boolean} autoInit Automatically initialize this object. If false\n * you must call init() manually.\n */\n constructor(\n id: string,\n options: SpaceObjectOptions,\n simulation: Simulation,\n autoInit: boolean = true,\n ) {\n this._id = id;\n this._options = options || {};\n this._object3js = undefined;\n this._useEphemTable = this._options.ephemTable !== undefined;\n this._isStaticObject = !this._options.ephem && !this._useEphemTable;\n\n this._simulation = simulation;\n this._context = simulation.getContext();\n\n this._label = undefined;\n this._showLabel = false;\n this._lastLabelUpdate = 0;\n // this._lastPositionUpdate = 0;\n\n this._position = rescaleArray(this._options.position || [0, 0, 0]);\n this._orbitAround = undefined;\n this._scale = this._options.scale || [1, 1, 1];\n\n // The method of rendering used for this object (e.g. SPRITE, PARTICLESYSTEM).\n this._renderMethod = undefined;\n\n // The index of this particle in the KeplerParticles system, if applicable.\n this._particleIndex = undefined;\n\n // Number of degrees moved per day. Used to limit the number of orbit\n // updates for very slow moving objects.\n /*\n this._degreesPerDay = this._options.ephem\n ? this._options.ephem.get('n', 'deg')\n : undefined;\n */\n\n this._initialized = false;\n if (autoInit && !this.init()) {\n console.warn(`SpaceObject ${id}: failed to initialize`);\n }\n }\n\n /**\n * Initializes label and three.js objects. Called automatically unless you've\n * set autoInit to false in constructor (this init is suppressed by some\n * child classes).\n */\n init(): boolean {\n this.renderObject();\n\n if (this._options.labelText) {\n const labelElt = this.createLabel();\n this._simulation.getSimulationElement().appendChild(labelElt);\n this._label = labelElt;\n this._showLabel = true;\n }\n\n /**\n * Caching of THREE.js objects for orbitPath\n */\n this._orbitPath = undefined;\n this._eclipticLines = undefined;\n\n this.update(this._simulation.getJd(), true /* force */);\n\n this._initialized = true;\n return true;\n }\n\n /**\n * @protected\n * Used by child classes to set the object that gets its position updated.\n * @param {THREE.Object3D} obj Any THREE.js object\n */\n protected setPositionedObject(obj: THREE.Object3D) {\n this._object3js = obj;\n }\n\n /**\n * @private\n * Build the THREE.js object for this SpaceObject.\n */\n private renderObject() {\n if (this.isStaticObject()) {\n if (!this._renderMethod) {\n // TODO(ian): It kinda sucks to have SpaceObject care about\n // renderMethod, which is set by children.\n\n // Create a stationary sprite.\n this._object3js = this.createSprite();\n if (this._simulation) {\n // Add it all to visualization.\n this._simulation.addObject(this, false /* noUpdate */);\n }\n this._renderMethod = 'SPRITE';\n }\n } else {\n // Create the orbit no matter what - it's used to get current position\n // for CPU-positioned objects (e.g. child RotatingObjects, SphereObjects,\n // ShapeObjects).\n // TODO(ian): Only do this if we need to compute orbit position on the\n // CPU or display an orbit path.\n this._orbit = this.createOrbit();\n\n if (!this._options.hideOrbit && this._simulation) {\n // Add it all to visualization.\n this._simulation.addObject(this, false /* noUpdate */);\n }\n\n if (this._useEphemTable) {\n if (!this._renderMethod) {\n this._object3js = this.createSprite();\n if (this._simulation) {\n this._simulation.addObject(this, true);\n }\n this._renderMethod = 'SPRITE';\n }\n }\n\n if (!this._renderMethod) {\n if (!this._options.ephem) {\n throw new Error(\n 'Attempting to create a particle system, but ephemeris are not available.',\n );\n }\n // Create a particle representing this object on the GPU.\n this._particleIndex = this._context.objects.particles.addParticle(\n this._options.ephem,\n {\n particleSize: this._options.particleSize,\n color: this.getColor(),\n },\n );\n this._renderMethod = 'PARTICLESYSTEM';\n }\n }\n }\n\n /**\n * @private\n * Builds the label div and adds it to the visualization\n * @return {HTMLElement} A div that contains the label for this object\n */\n private createLabel(): HTMLElement {\n const text = document.createElement('div');\n text.className = 'spacekit__object-label';\n\n const { labelText, labelUrl } = this._options;\n if (this._options.labelUrl) {\n text.innerHTML = ``;\n } else {\n text.innerHTML = `
${labelText}
`;\n }\n text.style.fontFamily = 'Arial';\n text.style.fontSize = '12px';\n text.style.color = '#fff';\n text.style.position = 'absolute';\n\n text.style.backgroundColor = '#0009';\n text.style.outline = '1px solid #5f5f5f';\n\n return text;\n }\n\n /**\n * @private\n * Updates the label's position\n * @param {Array.Number} newpos Position of the label in the visualization's\n * coordinate system\n */\n private updateLabelPosition(newpos: Coordinate3d) {\n if (!this._label) {\n throw new Error('Attempted to update label position without a label');\n }\n\n const label = this._label;\n const simulationElt = this._simulation.getSimulationElement();\n const pos = toScreenXY(\n newpos,\n this._simulation.getViewer().get3jsCamera(),\n simulationElt,\n );\n const loc = {\n left: pos.x,\n top: pos.y,\n right: pos.x + label.clientWidth,\n bottom: pos.y + label.clientHeight,\n };\n if (\n loc.left - 30 > 0 &&\n loc.right + 20 < simulationElt.clientWidth &&\n loc.top - 25 > 0 &&\n loc.bottom < simulationElt.clientHeight\n ) {\n label.style.left = `${loc.left - label.clientWidth / 2}px`;\n label.style.top = `${loc.top - label.clientHeight - 8}px`;\n label.style.visibility = 'visible';\n } else {\n label.style.visibility = 'hidden';\n }\n }\n\n /**\n * @private\n * Builds the sprite for this object\n * @return {THREE.Sprite} A sprite object\n */\n private createSprite(): THREE.Sprite {\n if (!this._options.textureUrl) {\n throw new Error('Cannot create sprite without a textureUrl');\n }\n const fullTextureUrl = getFullTextureUrl(\n this._options.textureUrl,\n this._context.options.basePath,\n );\n const texture = new THREE.TextureLoader().load(fullTextureUrl);\n texture.encoding = THREE.LinearEncoding;\n const sprite = new THREE.Sprite(\n new THREE.SpriteMaterial({\n map: texture,\n blending: THREE.AdditiveBlending,\n depthWrite: false,\n color: this._options.theme ? this._options.theme.color : 0xffffff,\n }),\n );\n const scale = rescaleArray(this._scale);\n sprite.scale.set(scale[0], scale[1], scale[2]);\n const position = this.getPosition(this._simulation.getJd());\n sprite.position.set(position[0], position[1], position[2]);\n\n if (this.isStaticObject()) {\n sprite.updateMatrix();\n sprite.matrixAutoUpdate = false;\n }\n\n return sprite;\n }\n\n /**\n * @private\n * Builds the {Orbit} for this object\n * @return {Orbit} An orbit object\n */\n private createOrbit(): Orbit {\n if (this._orbit) {\n return this._orbit;\n }\n\n const ephem = this._useEphemTable\n ? this._options.ephemTable\n : this._options.ephem;\n if (!ephem) {\n throw new Error('Cannot create orbit without Ephem or EphemerisTable');\n }\n return new Orbit(ephem, {\n orbitPathSettings: this._options.orbitPathSettings,\n color: this._options.theme ? this._options.theme.orbitColor : undefined,\n eclipticLineColor: this._options.ecliptic\n ? this._options.ecliptic.lineColor\n : undefined,\n });\n }\n\n /**\n * @private\n * Determines whether to update the position of an update. Don't update if JD\n * threshold is less than a certain amount.\n * @param {Number} afterJd Next JD\n * @return {boolean} Whether to update\n */\n private shouldUpdateObjectPosition(afterJd: number): boolean {\n // TODO(ian): Reenable this as a function of zoom level, because as you get\n // closer the chopiness gets more noticeable.\n return true;\n /*\n if (!this._degreesPerDay || !this._lastPositionUpdate) {\n return true;\n }\n const degMove = this._degreesPerDay * (afterJd - this._lastPositionUpdate);\n if (degMove < MIN_DEG_MOVE_PER_DAY) {\n return false;\n }\n return true;\n */\n }\n\n /**\n * Make this object orbit another orbit.\n * @param {Object} spaceObj The SpaceObject that will serve as the origin of this object's orbit.\n */\n orbitAround(spaceObj: SpaceObject) {\n this._orbitAround = spaceObj;\n }\n\n /**\n * Updates the position of this object. Applicable only if this object is a\n * sprite and not a particle type.\n * @param {Number} x X position\n * @param {Number} y Y position\n * @param {Number} z Z position\n */\n setPosition(x: number, y: number, z: number) {\n this._position[0] = rescaleNumber(x);\n this._position[1] = rescaleNumber(y);\n this._position[2] = rescaleNumber(z);\n }\n\n /**\n * Gets the visualization coordinates of this object at a given time.\n * @param {Number} jd JD date\n * @return {Array.} [X, Y,Z] coordinates\n */\n getPosition(jd: number): Coordinate3d {\n const pos = this._position;\n if (!this._orbit) {\n // Default implementation, a static object.\n return pos;\n }\n\n const posModified = this._orbit.getPositionAtTime(jd);\n if (this._orbitAround) {\n const parentPos = this._orbitAround.getPosition(jd);\n return [\n pos[0] + posModified[0] + parentPos[0],\n pos[1] + posModified[1] + parentPos[1],\n pos[2] + posModified[2] + parentPos[2],\n ];\n }\n return [\n pos[0] + posModified[0],\n pos[1] + posModified[1],\n pos[2] + posModified[2],\n ];\n }\n\n /**\n * Updates the object and its label positions for a given time.\n * @param {Number} jd JD date\n * @param {boolean} force Whether to force an update regardless of checks for\n * movement.\n */\n update(jd: number, force: boolean = false) {\n let newpos;\n if (this._label) {\n // Labels must update, even for static objects.\n // TODO(ian): Determine this based on orbit and camera position change.\n const meetsLabelUpdateThreshold =\n +new Date() - this._lastLabelUpdate > LABEL_UPDATE_MS;\n const shouldUpdateLabelPos =\n force || (this._showLabel && meetsLabelUpdateThreshold);\n if (shouldUpdateLabelPos) {\n if (!newpos) {\n newpos = this.getPosition(jd);\n }\n this.updateLabelPosition(newpos);\n this._lastLabelUpdate = +new Date();\n }\n }\n\n if (this.isStaticObject() && !force) {\n return;\n }\n\n let shouldUpdateObjectPosition = false;\n if (this._object3js || this._label) {\n shouldUpdateObjectPosition = force || this.shouldUpdateObjectPosition(jd);\n }\n if (this._object3js && shouldUpdateObjectPosition) {\n newpos = this.getPosition(jd);\n this._object3js.position.set(newpos[0], newpos[1], newpos[2]);\n // this._lastPositionUpdate = jd;\n }\n\n const orbitNeedsRefreshing =\n !this._orbitPath || this._orbit?.needsUpdateForTime(jd);\n if (this._orbit && !this._options.hideOrbit && orbitNeedsRefreshing) {\n if (this._orbitPath) {\n this._simulation.getScene().remove(this._orbitPath);\n }\n this._orbitPath = this._orbit.getOrbitShape(jd, true);\n this._simulation.getScene().add(this._orbitPath);\n }\n\n const eclipticNeedsRefreshing =\n !this._eclipticLines || orbitNeedsRefreshing;\n if (\n this._orbit &&\n this._options.ecliptic &&\n this._options.ecliptic.displayLines &&\n eclipticNeedsRefreshing\n ) {\n if (this._eclipticLines) {\n this._simulation.getScene().remove(this._eclipticLines);\n }\n this._eclipticLines = this._orbit.getLinesToEcliptic();\n this._simulation.getScene().add(this._eclipticLines);\n }\n\n if (this._orbitAround) {\n const parentPos = this._orbitAround.getPosition(jd);\n if (this._renderMethod === 'PARTICLESYSTEM') {\n // TODO(ian): Only do this when the origin changes\n this._context.objects.particles?.setParticleOrigin(\n this._particleIndex!,\n parentPos,\n );\n }\n\n if (!this._options.hideOrbit) {\n this._orbitPath?.position.set(parentPos[0], parentPos[1], parentPos[2]);\n }\n if (!newpos) {\n newpos = this.getPosition(jd);\n }\n }\n }\n\n /**\n * Gets the THREE.js objects that represent this SpaceObject. The first\n * object returned is the primary object. Other objects may be returned,\n * such as rings, ellipses, etc.\n * @return {Array.} A list of THREE.js objects\n */\n get3jsObjects(): THREE.Object3D[] {\n const ret = [];\n if (this._object3js) {\n ret.push(this._object3js);\n }\n if (this._orbit) {\n if (this._orbitPath) {\n ret.push(this._orbitPath);\n }\n\n if (this._eclipticLines) {\n ret.push(this._eclipticLines);\n }\n }\n return ret;\n }\n\n /**\n * Specifies the object that is used to compute the bounding box. By default,\n * this will be the first THREE.js object in this class's list of objects.\n * @return {THREE.Object3D} THREE.js object\n */\n async getBoundingObject(): Promise {\n return Promise.resolve(this.get3jsObjects()[0]);\n }\n\n /**\n * Gets the color of this object. Usually this corresponds to the color of\n * the dot representing the object as well as its orbit.\n * @return {Number} A hexidecimal color value, e.g. 0xFFFFFF\n */\n getColor(): number {\n if (this._options.theme) {\n return this._options.theme.color || 0xffffff;\n }\n return 0xffffff;\n }\n\n /**\n * Gets the {Orbit} object for this SpaceObject.\n * @return {Orbit} Orbit object\n */\n getOrbit(): Orbit | undefined {\n return this._orbit;\n }\n\n /**\n * Gets label visilibity status.\n * @return {boolean} Whether label is visible.\n */\n getLabelVisibility(): boolean {\n return this._showLabel;\n }\n\n /**\n * Toggle the visilibity of the label.\n * @param {boolean} val Whether to show or hide.\n */\n setLabelVisibility(val: boolean) {\n if (!this._label) {\n throw new Error('Attempted to set label visibility without a label');\n }\n\n if (val) {\n this._showLabel = true;\n this._label.style.display = 'block';\n } else {\n this._showLabel = false;\n this._label.style.display = 'none';\n }\n }\n\n /**\n * Gets the unique ID of this object.\n * @return {String} Unique ID\n */\n getId(): string {\n return this._id;\n }\n\n /**\n * Determines whether object is static (can't change its position) or whether\n * its position can be updated (ie, it has ephemeris)\n * @return {boolean} Whether this object can change its position.\n */\n isStaticObject(): boolean {\n return this._isStaticObject;\n }\n\n /**\n * Determines whether object is ready to be measured or added to scene.\n * @return {boolean} True if ready\n */\n isReady(): boolean {\n return this._initialized;\n }\n\n removalCleanup() {\n if (this._label) {\n this._simulation.getSimulationElement().removeChild(this._label);\n this._label = undefined;\n }\n\n if (this._particleIndex !== undefined) {\n this._context?.objects.particles.hideParticle(this._particleIndex);\n }\n }\n}\n\nconst DEFAULT_PLANET_TEXTURE_URL = '{{assets}}/sprites/smallparticle.png';\n\n/**\n * Useful presets for creating SpaceObjects.\n * @example\n * ```\n * const myobject = viz.addObject('planet1', Spacekit.SpaceObjectPresets.MERCURY);\n * ```\n */\nexport const SpaceObjectPresets = {\n SUN: {\n textureUrl: '{{assets}}/sprites/lensflare0.png',\n position: [0, 0, 0],\n },\n MERCURY: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x913cee,\n },\n ephem: EphemPresets.MERCURY,\n },\n VENUS: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xff7733,\n },\n ephem: EphemPresets.VENUS,\n },\n EARTH: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x009acd,\n },\n ephem: EphemPresets.EARTH,\n },\n MOON: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xffd700,\n },\n ephem: EphemPresets.MOON,\n\n // Special params\n particleSize: 6,\n },\n MARS: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xa63a3a,\n },\n ephem: EphemPresets.MARS,\n },\n JUPITER: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xffb90f,\n },\n ephem: EphemPresets.JUPITER,\n },\n SATURN: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x336633,\n },\n ephem: EphemPresets.SATURN,\n },\n URANUS: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x0099ff,\n },\n ephem: EphemPresets.URANUS,\n },\n NEPTUNE: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x3333ff,\n },\n ephem: EphemPresets.NEPTUNE,\n },\n PLUTO: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xccc0b0,\n },\n ephem: EphemPresets.PLUTO,\n },\n};\n", "import * as THREE from 'three';\n\nimport Units from './Units';\nimport { SpaceObject } from './SpaceObject';\nimport { rescaleVector } from './Scale';\n\nimport type { Simulation } from './Simulation';\nimport type { SpaceObjectOptions } from './SpaceObject';\n\nfunction getAxis(src: THREE.Vector3, dst: THREE.Vector3, color: number) {\n const mat = new THREE.LineBasicMaterial({ linewidth: 3, color });\n const geom = new THREE.BufferGeometry().setFromPoints([\n rescaleVector(src).clone(),\n rescaleVector(dst).clone(),\n ]);\n\n const axis = new THREE.Line(geom, mat);\n axis.computeLineDistances();\n return axis;\n}\n\nfunction getAxes() {\n return [\n getAxis(new THREE.Vector3(0, 0, 0), new THREE.Vector3(3, 0, 0), 0xff0000),\n getAxis(new THREE.Vector3(0, 0, 0), new THREE.Vector3(0, 3, 0), 0x00ff00),\n getAxis(new THREE.Vector3(0, 0, 0), new THREE.Vector3(0, 0, 3), 0x0000ff),\n ];\n}\n\n/**\n * This class simulates an object that spins according to provided rotational\n * parameters.\n */\nexport class RotatingObject extends SpaceObject {\n protected _obj: THREE.Object3D;\n\n protected _materials: THREE.Material[];\n\n private _objectIsRotatable: boolean;\n\n // private _axisRotationAngleOffset: number;\n\n private _axisOfRotation?: THREE.Vector3;\n\n /*\n * FIXME(ian): This implementation is still WIP! Rotational parameters are not\n * used right now.\n * @param {boolean} options.rotation.enable Rotate the object\n * @param {Number} options.rotation.speed Factor that determines speed of rotation\n * @param {Number} options.rotation.lambdaDeg Ecliptic longitude lambda, in degrees\n * @param {Number} options.rotation.betaDeg Ecliptic longitude beta, in degrees\n * @param {Number} options.rotation.period Rotational period, in JD\n * @param {Number} options.rotation.yorp YORP coefficient, if any (defaults to 0)\n * @param {Number} options.rotation.phi0 Initial rotation phi, in degrees (defaults to 0)\n * @param {Number} options.rotation.jd0 JD epoch of rotational parameters\n * @see SpaceObject\n */\n constructor(\n id: string,\n options: SpaceObjectOptions,\n simulation: Simulation,\n autoInit: boolean = true,\n ) {\n super(id, options, simulation, false /* autoInit */);\n\n // The THREE.js object\n this._obj = new THREE.Object3D();\n this._renderMethod = 'ROTATING_OBJECT';\n super.setPositionedObject(this._obj);\n\n this._objectIsRotatable = false;\n if (this._options.rotation) {\n this._objectIsRotatable = true;\n }\n\n // Offset of axis angle\n // this._axisRotationAngleOffset = 0;\n this._axisOfRotation = undefined;\n\n // Keep track of materials that comprise this object.\n this._materials = [];\n\n if (autoInit) {\n this.init();\n }\n }\n\n override init(): boolean {\n if (this._objectIsRotatable) {\n this.initRotation();\n }\n\n if (this._options.debug) {\n if (this._options.debug.showAxes) {\n getAxes().forEach((axis) => this._obj.add(axis));\n }\n\n if (this._options.debug.showGrid) {\n const gridHelper = new THREE.GridHelper(3, 3, 0xff0000, 0xffeeee);\n gridHelper.geometry.rotateX(Math.PI / 2);\n this._obj.add(gridHelper);\n }\n }\n\n return super.init();\n }\n\n initRotation() {\n if (!this._options.rotation) {\n throw new Error(\n 'Must specify `rotation` option when creating a RotatingObject',\n );\n }\n\n const { rotation } = this._options;\n if (typeof rotation.jd0 === 'undefined') {\n return;\n }\n\n // Formula\n // https://astro.troja.mff.cuni.cz/projects/asteroids3D/web.php?page=db_description\n\n // Testing this asteroid:\n // http://astro.troja.mff.cuni.cz/projects/asteroids3D/web.php?page=db_asteroid_detail&asteroid_id=1504\n // Model 2691\n const { PI } = Math;\n\n // Cacus\n // http://astro.troja.mff.cuni.cz/projects/asteroids3D/web.php?page=db_asteroid_detail&asteroid_id=1046\n // http://astro.troja.mff.cuni.cz/projects/asteroids3D/php.php?script=db_sky_projection&model_id=1863&jd=2443568.0\n\n // Latitude\n const lambda = Units.rad(rotation.lambdaDeg || 0);\n\n // Longitude\n const beta = Units.rad(rotation.betaDeg || 0);\n\n // Other\n const P = rotation.period;\n const YORP = rotation.yorp || 0;\n const phi0 = Units.rad(rotation.phi0 || 0);\n const JD = this._simulation.getJd();\n const JD0 = rotation.jd0;\n\n // Asteroid rotation\n // this._obj.rotateOnWorldAxis(new THREE.Vector3(0, 0, 1), lambda);\n // this._obj.rotateOnWorldAxis(new THREE.Vector3(0, 1, 0), beta);\n\n // Adjust Z axis according to time.\n const zAdjust =\n phi0 +\n ((2 * PI) / P) * (JD - JD0) +\n (1 / 2) * YORP * Math.pow(JD - JD0, 2);\n this._obj.rotateY(-(PI / 2 - beta));\n this._obj.rotateZ(-lambda);\n this._obj.rotateZ(zAdjust);\n }\n\n /**\n * Updates the object and its label positions for a given time.\n * @param {Number} jd JD date\n */\n override update(jd: number, force: boolean = false) {\n if (\n this._obj &&\n this._objectIsRotatable &&\n this._options.rotation &&\n this._options.rotation.enable\n ) {\n // For now, just rotate on X axis.\n const speed = this._options.rotation.speed || 0.5;\n this._obj.rotation.z += speed * (Math.PI / 180);\n this._obj.rotation.z %= 360;\n }\n if (this._axisOfRotation) {\n // this._obj.rotateOnAxis(this._axisOfRotation, 0.01);\n }\n // this._obj.rotateZ(0.015)\n // this._obj.rotateOnWorldAxis(new THREE.Vector3(0, 0, 1), 0.01);\n\n // Update position\n super.update(jd, force);\n }\n\n /**\n * Gets the THREE.js objects that represent this SpaceObject.\n * @return {Array.} A list of THREE.js objects\n */\n override get3jsObjects(): THREE.Object3D[] {\n const ret = super.get3jsObjects();\n // Add to the front, because this is the primary object.\n ret.unshift(this._obj);\n return ret;\n }\n\n /**\n * Begin rotating this object.\n */\n startRotation() {\n if (!this._options.rotation) {\n throw new Error(\n 'Must specify `rotation` option when creating a RotatingObject',\n );\n }\n this._options.rotation.enable = true;\n }\n\n /**\n * Stop rotation of this object.\n */\n stopRotation() {\n if (!this._options.rotation) {\n throw new Error(\n 'Must specify `rotation` option when creating a RotatingObject',\n );\n }\n this._options.rotation.enable = false;\n }\n}\n", "import * as THREE from 'three';\nimport { OBJLoader } from 'three/examples/jsm/loaders/OBJLoader';\n\nimport { RotatingObject } from './RotatingObject';\n\nimport type { Simulation } from './Simulation';\nimport type { SpaceObjectOptions } from './SpaceObject';\n\nexport class ShapeObject extends RotatingObject {\n private shapeObj: THREE.Object3D | undefined;\n\n private loadingPromise: Promise;\n\n /**\n * @param {Object} options.shape Shape specification\n * @param {String} options.shape.type Type of object (\"custom\" or \"sphere\")\n * @param {String} options.shape.shapeUrl Path to shapefile if type is \"custom\"\n * @param {Number} options.shape.textureUrl Optional texture map for shape\n * @param {Number} options.shape.color Color of shape materials. Default 0xcccccc\n * @param {Number} options.shape.radius Radius, if applicable. Defaults to 1\n * @param {Object} options.shape.debug Debug options\n * @param {boolean} options.shape.debug.showAxes Show axes\n * rotation speed. Default 0.5\n * @see SpaceObject\n * @see RotatingObject\n */\n constructor(id: string, options: SpaceObjectOptions, simulation: Simulation) {\n super(id, options, simulation, false /* autoInit */);\n if (!options.shape) {\n throw new Error('ShapeObject requires an options.shape object');\n }\n if (!options.shape?.shapeUrl) {\n throw new Error(\n 'Must specify shape.shapeUrl when creating a ShapeObject',\n );\n }\n\n this.shapeObj = undefined;\n\n const manager = new THREE.LoadingManager();\n manager.onProgress = (item: string, loaded: number, total: number) => {\n console.info(this._id, item, 'loading progress:', loaded, '/', total);\n };\n this.loadingPromise = new Promise((resolve) => {\n const loader = new OBJLoader(manager);\n // TODO(ian): Make shapeurl follow assetpath logic.\n loader.load(options.shape!.shapeUrl!, (object) => {\n object.traverse((child) => {\n if (child instanceof THREE.Mesh) {\n const material = new THREE.MeshStandardMaterial({\n color: this._options.shape!.color || 0xcccccc,\n });\n child.material = material;\n child.geometry.scale(0.05, 0.05, 0.05);\n /*\n child.geometry.computeFaceNormals();\n child.geometry.computeVertexNormals();\n child.geometry.computeBoundingBox();\n */\n this._materials.push(material);\n }\n });\n\n this.shapeObj = object;\n this._obj.add(object);\n\n if (this._simulation) {\n // Add it all to visualization.\n this._simulation.addObject(this, false /* noUpdate */);\n }\n\n this._initialized = true;\n resolve(this.shapeObj);\n });\n });\n\n // TODO(ian): Create an orbit if applicable\n super.init();\n }\n\n /**\n * Specifies the object that is used to compute the bounding box.\n * @return {THREE.Object3D} THREE.js object\n */\n override async getBoundingObject(): Promise {\n return this.loadingPromise;\n }\n}\n", "import * as THREE from 'three';\n\nimport type {\n Simulation,\n SimulationContext,\n SimulationObject,\n} from './Simulation';\nimport { getFullTextureUrl } from './util';\n\ninterface SkyboxOptions {\n textureUrl: string;\n basePath: string;\n}\n\n/**\n * A class that adds a skybox (technically a skysphere) to a visualization.\n */\nexport class Skybox implements SimulationObject {\n private simulation: Simulation;\n\n private context: SimulationContext;\n\n private id: string;\n\n private options: SkyboxOptions;\n\n private mesh?: THREE.Mesh;\n\n /**\n * @param {Object} options Options\n * @param {String} options.textureUrl Texture to use\n * @param {String} options.basePath Base path to simulation supporting files\n * @param {Simulation} simulation Simulation object\n */\n constructor(options: SkyboxOptions, simulation: Simulation) {\n // TODO(ian): Support for actual box instead of sphere...\n this.options = options;\n this.id = `__skybox_${new Date().getTime()}`;\n\n // User passed in Simulation\n this.simulation = simulation;\n this.context = simulation.getContext();\n\n this.mesh = undefined;\n\n this.init();\n }\n\n /**\n * @private\n */\n private init() {\n const geometry = new THREE.SphereBufferGeometry(1e10, 32, 32);\n\n const fullTextureUrl = getFullTextureUrl(\n this.options.textureUrl,\n this.context.options.basePath,\n );\n const texture = new THREE.TextureLoader().load(fullTextureUrl);\n\n const material = new THREE.MeshBasicMaterial({\n map: texture,\n side: THREE.BackSide,\n });\n\n const sky = new THREE.Mesh(geometry, material);\n\n // See this thread on orientation of milky way:\n // https://www.physicsforums.com/threads/orientation-of-the-earth-sun-and-solar-system-in-the-milky-way.888643/\n sky.rotation.x = 0;\n sky.rotation.y = (-1 / 12) * Math.PI;\n sky.rotation.z = (8 / 5) * Math.PI;\n\n // We're on the inside of the skybox, so invert it to correct it.\n sky.scale.set(-1, 1, 1);\n\n this.mesh = sky;\n\n if (this.simulation) {\n this.simulation.addObject(this, true /* noUpdate */);\n }\n }\n\n /**\n * A list of THREE.js objects that are used to compose the skybox.\n * @return {THREE.Object3D[]} Skybox mesh\n */\n get3jsObjects(): THREE.Object3D[] {\n if (this.mesh) {\n return [this.mesh];\n }\n return [];\n }\n\n /**\n * Get the unique ID of this object.\n * @return {String} id\n */\n getId(): string {\n return this.id;\n }\n\n update() {\n // Skyboxes don't update\n }\n}\n\n/**\n * Preset skybox objects that you can use to add a skybox to your\n * visualization.\n * @example\n * ```\n * const skybox = viz.createSkybox(Spacekit.SkyboxPresets.NASA_TYCHO);\n * ```\n */\nexport const SkyboxPresets: Record = {\n ESO_GIGAGALAXY: {\n textureUrl: '{{assets}}/skybox/eso_milkyway.jpg',\n },\n ESO_LITE: {\n textureUrl: '{{assets}}/skybox/eso_lite.png',\n },\n NASA_TYCHO: {\n // from https://svs.gsfc.nasa.gov/3895\n textureUrl: '{{assets}}/skybox/nasa_tycho.jpg',\n },\n};\n", "import * as THREE from 'three';\n//import { TranslucentShader } from 'three/examples/jsm/shaders/TranslucentShader.js';\n\nimport Units from './Units';\nimport { RotatingObject } from './RotatingObject';\nimport { rescaleNumber } from './Scale';\nimport {\n ATMOSPHERE_SHADER_VERTEX,\n ATMOSPHERE_SHADER_FRAGMENT,\n RING_SHADER_VERTEX,\n RING_SHADER_FRAGMENT,\n SPHERE_SHADER_VERTEX,\n SPHERE_SHADER_FRAGMENT,\n} from './shaders';\n\nimport type { IUniform } from 'three';\nimport type { Simulation } from './Simulation';\nimport type { SpaceObjectOptions } from './SpaceObject';\n\n/**\n * Simulates a planet or other object as a perfect sphere.\n */\nexport class SphereObject extends RotatingObject {\n /**\n * @param {String} options.textureUrl Path to basic texture (optional)\n * @param {String} options.bumpMapUrl Path to bump map (optional)\n * @param {String} options.specularMapUrl Path to specular map (optional)\n * @param {Number} options.color Hex color of the sphere\n * @param {Number} options.axialTilt Axial tilt in degrees\n * @param {Number} options.radius Radius of sphere. Defaults to 1\n * @param {Object} options.levelsOfDetail List of {threshold: x, segments:\n * y}, where `threshold` is radii distance and `segments` is the number\n * number of sphere faces to render.\n * @param {Object} options.atmosphere Atmosphere options\n * @param {Object} options.atmosphere.enable Show atmosphere\n * @param {Object} options.atmosphere.color Atmosphere color\n * @param {Object} options.atmosphere.innerSizeRatio Size ratio of the inner\n * atmosphere to the radius of the sphere. Defaults to 0.025\n * @param {Object} options.atmosphere.outerSizeRatio Size ratio of the outer\n * atmosphere to the radius of the sphere. Defaults to 0.15\n * @param {Object} options.debug Debug options\n * @param {boolean} options.debug.showAxes Show axes\n * @see SpaceObject\n * @see RotatingObject\n */\n constructor(id: string, options: SpaceObjectOptions, simulation: Simulation) {\n super(id, options, simulation, false /* autoInit */);\n\n this.init();\n }\n\n override init(): boolean {\n let map: THREE.Texture | null = null;\n if (this._options.textureUrl) {\n map = new THREE.TextureLoader().load(this._options.textureUrl);\n }\n\n const detailedObj = new THREE.LOD();\n const levelsOfDetail = this._options.levelsOfDetail || [\n { radii: 0, segments: 64 },\n ];\n const radius = this.getScaledRadius();\n\n for (let i = 0; i < levelsOfDetail.length; i += 1) {\n const level = levelsOfDetail[i];\n const sphereGeometry = new THREE.SphereGeometry(\n radius,\n level.segments,\n level.segments,\n );\n\n let material: THREE.ShaderMaterial | THREE.MeshBasicMaterial;\n if (this._simulation.isUsingLightSources()) {\n console.warn(`SphereObject ${this._id} requires a texture when using a light source.`);\n const uniforms: Record = {\n sphereTexture: {\n value: undefined,\n },\n lightPos: {\n value: new THREE.Vector3(),\n },\n };\n // TODO(ian): Handle if no map\n uniforms.sphereTexture.value = map;\n uniforms.lightPos.value.copy(this._simulation.getLightPosition());\n material = new THREE.ShaderMaterial({\n uniforms,\n vertexShader: SPHERE_SHADER_VERTEX,\n fragmentShader: SPHERE_SHADER_FRAGMENT,\n transparent: true,\n });\n } else {\n const color = this._options.color ?? 0xbbbbbb;\n material = new THREE.MeshBasicMaterial({\n map,\n color,\n });\n }\n\n const mesh = new THREE.Mesh(sphereGeometry, material);\n mesh.receiveShadow = true;\n mesh.castShadow = true;\n\n // Change the coordinate system to have Z-axis pointed up.\n mesh.rotation.x = Math.PI / 2;\n\n // Show this number of segments at distance >= radii * level.radii.\n detailedObj.addLevel(mesh, radius * level.radii);\n }\n\n // Add to the parent base object.\n this._obj.add(detailedObj);\n\n if (this._options.atmosphere && this._options.atmosphere.enable) {\n const atmosphere = this.renderFullAtmosphere();\n if (atmosphere) {\n this._obj.add(atmosphere);\n }\n }\n\n if (this._options.axialTilt) {\n this._obj.rotation.y += Units.rad(this._options.axialTilt);\n }\n\n this._renderMethod = 'SPHERE';\n\n if (this._simulation) {\n // Add it all to visualization.\n this._simulation.addObject(this, false /* noUpdate */);\n }\n\n return super.init();\n }\n\n /**\n * @private\n */\n private getScaledRadius(): number {\n return rescaleNumber(this._options.radius || 1);\n }\n\n /**\n * @private\n * Model the atmosphere as two layers - a thick inner layer and a diffuse\n * outer one.\n */\n private renderFullAtmosphere() {\n if (!this._simulation.isUsingLightSources()) {\n console.warn('Cannot render atmosphere without a light source');\n return null;\n }\n\n const radius = this.getScaledRadius();\n const color = new THREE.Color(this._options?.atmosphere?.color ?? 0xffffff);\n\n const innerSize =\n radius * (this._options?.atmosphere?.innerSizeRatio ?? 0.025);\n const outerSize =\n radius * (this._options?.atmosphere?.outerSizeRatio ?? 0.15);\n\n const detailedObj = new THREE.Object3D();\n detailedObj.add(\n this.renderAtmosphereComponent(radius, innerSize, 0.8, 2.0, color),\n );\n detailedObj.add(\n this.renderAtmosphereComponent(radius, outerSize, 0.5, 4.0, color),\n );\n\n // Hide atmosphere beyond some multiple of radius distance.\n // TODO(ian): This effect is somewhat jarring when the atmosphere first\n // appears, also arbitrary...\n const ret = new THREE.LOD();\n ret.addLevel(detailedObj, 0);\n ret.addLevel(new THREE.Object3D(), radius * 24);\n return ret;\n }\n\n /**\n * @private\n * @param {Number} radius Radius of object\n * @param {Number} size Size of atmosphere\n * @param {Number} coefficient Coefficient value\n * @param {Number} power Power value\n * @param {THREE.Color} colorObj Color of atmosphere\n */\n private renderAtmosphereComponent(\n radius: number,\n size: number,\n coefficient: number,\n power: number,\n colorObj: THREE.Color,\n ) {\n const geometry = new THREE.SphereGeometry(radius + size, 32, 32);\n const uniforms = {\n c: { value: coefficient },\n p: { value: power },\n color: { value: colorObj },\n lightPos: { value: new THREE.Vector3() },\n };\n const lightPosition = this._simulation.getLightPosition();\n if (lightPosition) {\n uniforms.lightPos.value.copy(lightPosition);\n }\n // TODO(ian): Handle case where there is no light.\n\n const material = new THREE.ShaderMaterial({\n uniforms,\n vertexShader: ATMOSPHERE_SHADER_VERTEX,\n fragmentShader: ATMOSPHERE_SHADER_FRAGMENT,\n side: THREE.BackSide,\n transparent: true,\n depthWrite: false,\n });\n\n return new THREE.Mesh(geometry, material);\n }\n\n /**\n * Add rings around this object.\n * @param {Number} innerRadiusKm Inner radius of ring.\n * @param {Number} outerRadiusKm Outer radius of ring.\n * @param {String} texturePath Full path to 1xN ring texture. (each pixel\n * represents the color of a full circle within the ring)\n * @param {Number} segments Number of segments to use to render ring.\n * (optional)\n */\n addRings(\n innerRadiusKm: number,\n outerRadiusKm: number,\n texturePath: string,\n segments: number = 128,\n ) {\n const innerRadiusSize = rescaleNumber(Units.kmToAu(innerRadiusKm));\n const outerRadiusSize = rescaleNumber(Units.kmToAu(outerRadiusKm));\n\n const geometry = new THREE.RingGeometry(\n innerRadiusSize,\n outerRadiusSize,\n segments,\n 5,\n 0,\n Math.PI * 2,\n );\n // TODO(ian): Load from base path.\n const map = new THREE.TextureLoader().load(texturePath);\n\n let material;\n if (this._simulation.isUsingLightSources()) {\n // TODO(ian): Follow recommendation for defining ShaderMaterials here:\n // https://discourse.threejs.org/t/cant-get-a-sampler2d-uniform-to-work-from-datatexture/6366/14?u=ianw\n const uniforms = THREE.UniformsUtils.merge([\n // TODO(ian): These failed due to type check. Remove?\n // THREE.UniformsLib.ambient,\n THREE.UniformsLib.lights,\n // THREE.UniformsLib.shadowmap,\n {\n ringTexture: { value: null },\n innerRadius: { value: innerRadiusSize },\n outerRadius: { value: outerRadiusSize },\n lightPos: { value: new THREE.Vector3() },\n },\n ]);\n uniforms.ringTexture.value = map;\n uniforms.lightPos.value.copy(this._simulation.getLightPosition());\n\n material = new THREE.ShaderMaterial({\n uniforms,\n lights: true,\n vertexShader: RING_SHADER_VERTEX,\n fragmentShader: RING_SHADER_FRAGMENT,\n transparent: true,\n alphaTest: 0.1,\n side: THREE.DoubleSide,\n });\n } else {\n material = new THREE.MeshBasicMaterial({\n map,\n side: THREE.DoubleSide,\n transparent: true,\n alphaTest: 0.1,\n opacity: 0.8,\n });\n }\n\n const mesh = new THREE.Mesh(geometry, material);\n mesh.receiveShadow = true;\n mesh.castShadow = true;\n\n this._obj.add(mesh);\n }\n}\n", "import * as THREE from 'three';\n\nimport { STAR_SHADER_VERTEX, STAR_SHADER_FRAGMENT } from './shaders';\n\nimport type { Coordinate3d } from './Coordinates';\nimport type { Simulation, SimulationObject } from './Simulation';\n\ninterface StaticParticleOptions {\n defaultColor: number;\n size: number;\n}\n\nconst DEFAULT_PARTICLE_SIZE = 4;\nconst DEFAULT_COLOR = 0xffffff;\n\n/**\n * Simulates a static particle field in whichever base reference the simulation is in.\n */\nexport class StaticParticles implements SimulationObject {\n private id: string;\n\n private options: StaticParticleOptions;\n\n private simulation: Simulation;\n\n private points: Coordinate3d[];\n\n private pointObject?: THREE.Points;\n\n /**\n *\n * @param {String} id Unique ID for this object\n * @param {Array.Array.} points an array of X,Y,Z cartesian points, one for each particle\n * @param {Object} options container\n * @param {Color} options.defaultColor color to use for all particles can be a THREE string color name or hex value\n * @param {Number} options.size the size of each particle\n * @param {Simulation} simulation Simulation object\n */\n constructor(\n id: string,\n points: Coordinate3d[],\n options: StaticParticleOptions,\n simulation: Simulation,\n ) {\n this.options = options;\n\n this.id = id;\n\n // User passed in Simulation\n this.simulation = simulation;\n\n this.points = points;\n this.pointObject = undefined;\n\n this.init();\n this.simulation.addObject(this, true);\n }\n\n init() {\n const positions = new Float32Array(this.points.length * 3);\n const colors = new Float32Array(this.points.length * 3);\n const sizes = new Float32Array(this.points.length);\n let color = new THREE.Color(DEFAULT_COLOR);\n\n if (this.options.defaultColor) {\n color = new THREE.Color(this.options.defaultColor);\n }\n\n let size = DEFAULT_PARTICLE_SIZE;\n\n if (this.options.size) {\n size = this.options.size;\n }\n\n for (let i = 0, l = this.points.length; i < l; i++) {\n const vertex = this.points[i];\n positions.set(vertex, i * 3);\n color.toArray(colors, i * 3);\n sizes[i] = size;\n }\n\n const geometry = new THREE.BufferGeometry();\n geometry.setAttribute('position', new THREE.BufferAttribute(positions, 3));\n geometry.setAttribute('color', new THREE.BufferAttribute(colors, 3));\n geometry.setAttribute('size', new THREE.BufferAttribute(sizes, 1));\n\n const material = new THREE.ShaderMaterial({\n vertexColors: true,\n vertexShader: STAR_SHADER_VERTEX,\n fragmentShader: STAR_SHADER_FRAGMENT,\n transparent: true,\n });\n\n this.pointObject = new THREE.Points(geometry, material);\n }\n\n /**\n * A list of THREE.js objects that are used to compose the particle system.\n * @return {THREE.Object3D} Point geometry\n */\n get3jsObjects(): THREE.Object3D[] {\n if (this.pointObject) {\n return [this.pointObject];\n }\n return [];\n }\n\n /**\n * Get the unique ID of this object.\n * @return {String} id\n */\n getId(): string {\n return this.id;\n }\n\n update() {\n // Static particles don't update\n }\n}\n", "import * as THREE from 'three';\n\nimport Coordinates from './Coordinates';\nimport Units from './Units';\nimport { STAR_SHADER_VERTEX, STAR_SHADER_FRAGMENT } from './shaders';\nimport { getFullUrl } from './util';\n\nimport type {\n Simulation,\n SimulationContext,\n SimulationObject,\n} from './Simulation';\n\ninterface StarOptions {\n minSize?: number;\n}\n\ntype StarRecord = [number, number, number, number];\n\n/**\n * Maps spectral class to star color\n * @param temp {Number} Star temperature in Kelvin\n * @return {Number} Color for star of given spectral class\n */\nfunction getColorForStar(temp: number): number {\n if (temp >= 30000) return 0x92b5ff;\n if (temp >= 10000) return 0xa2c0ff;\n if (temp >= 7500) return 0xd5e0ff;\n if (temp >= 6000) return 0xf9f5ff;\n if (temp >= 5200) return 0xffede3;\n if (temp >= 3700) return 0xffdab5;\n if (temp >= 2400) return 0xffb56c;\n return 0xffb56c;\n}\n\n/**\n * Returns the pixel size of a star.\n * @param mag {Number} Absolute magnitude of star\n * @param minSize {Number} Pixel size of the smallest star\n * @return {Number} Pixel size of star.\n */\nfunction getSizeForStar(mag: number, minSize: number): number {\n if (mag < 2.0) return minSize * 4;\n if (mag < 4.0) return minSize * 2;\n if (mag < 6.0) return minSize;\n return 1;\n}\n\n/**\n * Builds a starry background that is accurate for the Earth's position in\n * space.\n */\nexport class Stars implements SimulationObject {\n private _id: string;\n\n private _options: StarOptions;\n\n private _simulation: Simulation;\n\n private _context: SimulationContext;\n\n private _stars?: THREE.Points;\n\n /**\n * @param {Number} options.minSize The size of the smallest star.\n * Defaults to 0.75\n */\n constructor(options: StarOptions, simulation: Simulation) {\n this._options = options;\n this._id = `__stars_${new Date().getTime()}`;\n\n this._simulation = simulation;\n this._context = simulation.getContext();\n\n this._stars = undefined;\n\n this.init();\n }\n\n init() {\n const dataUrl = getFullUrl(\n '{{data}}/processed/bsc.json',\n this._context.options.basePath,\n );\n\n fetch(dataUrl)\n .then((resp) => resp.json())\n .then((library) => {\n const n = library.length;\n\n const geometry = new THREE.BufferGeometry();\n\n const positions = new Float32Array(n * 3);\n const colors = new Float32Array(n * 3);\n const sizes = new Float32Array(n);\n\n geometry.setAttribute(\n 'position',\n new THREE.BufferAttribute(positions, 3),\n );\n geometry.setAttribute('color', new THREE.BufferAttribute(colors, 3));\n geometry.setAttribute('size', new THREE.BufferAttribute(sizes, 1));\n\n library.forEach((star: StarRecord, idx: number) => {\n const [ra, dec, temp, mag] = star;\n\n const raRad = Units.rad(Units.hoursToDeg(ra));\n const decRad = Units.rad(dec);\n\n const cartesianSpherical = Coordinates.sphericalToCartesian(\n raRad,\n decRad,\n 1e9,\n );\n const pos = Coordinates.equatorialToEcliptic_Cartesian(\n cartesianSpherical[0],\n cartesianSpherical[1],\n cartesianSpherical[2],\n Coordinates.getObliquity(), // defaults to J2000 value\n );\n\n positions.set(pos, idx * 3);\n\n const color = new THREE.Color(getColorForStar(temp));\n colors.set(color.toArray(), idx * 3);\n\n sizes[idx] = getSizeForStar(\n mag,\n this._options.minSize || 3.0 /* minSize */,\n );\n });\n\n const material = new THREE.ShaderMaterial({\n uniforms: {},\n vertexColors: true,\n vertexShader: STAR_SHADER_VERTEX,\n fragmentShader: STAR_SHADER_FRAGMENT,\n\n transparent: true,\n });\n\n this._stars = new THREE.Points(geometry, material);\n\n if (this._simulation) {\n this._simulation.addObject(this, true /* noUpdate */);\n }\n });\n }\n\n /**\n * A list of THREE.js objects that are used to compose this object\n * @return {THREE.Object3D[]} Star objects\n */\n get3jsObjects(): THREE.Object3D[] {\n if (this._stars) {\n return [this._stars];\n }\n return [];\n }\n\n /**\n * Get the unique ID of this object.\n * @return {String} id\n */\n getId(): string {\n return this._id;\n }\n\n update() {\n // 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+ "sources": ["../node_modules/julian/index.js", "../src/index.ts", "../node_modules/three/build/three.module.js", "../node_modules/three/build/three.core.js", "../node_modules/three/examples/jsm/controls/OrbitControls.js", "../src/Scale.ts", "../src/Camera.ts", "../src/Units.ts", "../src/Coordinates.ts", "../src/Ephem.ts", "../src/Math.ts", "../src/util.ts", "../src/EphemerisTable.ts", "../src/EphemPresets.ts", "../src/Orbit.ts", "../src/Simulation.ts", "../node_modules/three/examples/jsm/libs/stats.module.js", "../node_modules/postprocessing/build/index.js", "../src/shaders.ts", "../src/KeplerParticles.ts", "../node_modules/three/examples/jsm/loaders/OBJLoader.js", "../src/SpaceObject.ts", "../src/RotatingObject.ts", "../src/ShapeObject.ts", "../src/Skybox.ts", "../src/SphereObject.ts", "../src/StaticParticles.ts", "../src/Stars.ts"], + "sourcesContent": ["module.exports = convert;\nmodule.exports.toDate = convertToDate;\n\nmodule.exports.toJulianDay = toJulianDay;\nmodule.exports.toMillisecondsInJulianDay = toMillisecondsInJulianDay;\nmodule.exports.fromJulianDayAndMilliseconds = fromJulianDayAndMilliseconds;\n\nvar DAY = 86400000;\nvar HALF_DAY = DAY / 2;\nvar UNIX_EPOCH_JULIAN_DATE = 2440587.5;\nvar UNIX_EPOCH_JULIAN_DAY = 2440587;\n\nfunction convert(date) {\n return (toJulianDay(date) + (toMillisecondsInJulianDay(date) / DAY)).toFixed(6);\n};\n\nfunction convertToDate(julian) {\n return new Date((Number(julian) - UNIX_EPOCH_JULIAN_DATE) * DAY);\n};\n\nfunction toJulianDay(date) {\n return ~~((+date + HALF_DAY) / DAY) + UNIX_EPOCH_JULIAN_DAY;\n};\n\nfunction toMillisecondsInJulianDay(date) {\n return (+date + HALF_DAY) % DAY;\n};\n\nfunction fromJulianDayAndMilliseconds(day, ms) {\n return (day - UNIX_EPOCH_JULIAN_DATE) * DAY + ms;\n};\n", "export * from './Camera';\nexport * from './Coordinates';\nexport * from './Ephem';\nexport * from './EphemerisTable';\nexport * from './EphemPresets';\nexport * from './Orbit';\nexport * from './Simulation';\nexport * from './Skybox';\nexport * from './SpaceObject';\nexport * from './RotatingObject';\nexport * from './ShapeObject';\nexport * from './SphereObject';\nexport * from './StaticParticles';\nexport * from './KeplerParticles';\nexport * from './Stars';\nexport * from './Units';\n\nimport * as _THREE from 'three';\nexport const THREE = _THREE;\n", "/**\n * @license\n * Copyright 2010-2025 Three.js Authors\n * SPDX-License-Identifier: MIT\n */\nimport { Color, Matrix3, Vector2, mergeUniforms, Vector3, CubeUVReflectionMapping, Mesh, BoxGeometry, ShaderMaterial, cloneUniforms, BackSide, ColorManagement, SRGBTransfer, PlaneGeometry, FrontSide, getUnlitUniformColorSpace, Euler, Matrix4, IntType, RGBAFormat, HalfFloatType, UnsignedByteType, FloatType, Plane, EquirectangularReflectionMapping, EquirectangularRefractionMapping, WebGLCubeRenderTarget, CubeReflectionMapping, CubeRefractionMapping, PerspectiveCamera, NoToneMapping, MeshBasicMaterial, BufferGeometry, BufferAttribute, WebGLRenderTarget, NoBlending, OrthographicCamera, LinearFilter, LinearSRGBColorSpace, warnOnce, arrayNeedsUint32, Uint32BufferAttribute, Uint16BufferAttribute, Vector4, DataArrayTexture, LessEqualCompare, Texture, DepthTexture, Data3DTexture, CubeTexture, GLSL3, CustomToneMapping, NeutralToneMapping, AgXToneMapping, ACESFilmicToneMapping, CineonToneMapping, ReinhardToneMapping, LinearToneMapping, PCFShadowMap, PCFSoftShadowMap, VSMShadowMap, LinearTransfer, AddOperation, MixOperation, MultiplyOperation, ObjectSpaceNormalMap, TangentSpaceNormalMap, NormalBlending, DoubleSide, UniformsUtils, Layers, Frustum, MeshDepthMaterial, RGBADepthPacking, MeshDistanceMaterial, NearestFilter, LessEqualDepth, AddEquation, SubtractEquation, ReverseSubtractEquation, ZeroFactor, OneFactor, SrcColorFactor, SrcAlphaFactor, SrcAlphaSaturateFactor, DstColorFactor, DstAlphaFactor, OneMinusSrcColorFactor, OneMinusSrcAlphaFactor, OneMinusDstColorFactor, OneMinusDstAlphaFactor, ConstantColorFactor, OneMinusConstantColorFactor, ConstantAlphaFactor, OneMinusConstantAlphaFactor, CustomBlending, MultiplyBlending, SubtractiveBlending, AdditiveBlending, CullFaceNone, CullFaceBack, CullFaceFront, NotEqualDepth, GreaterDepth, GreaterEqualDepth, EqualDepth, LessDepth, AlwaysDepth, NeverDepth, MinEquation, MaxEquation, RepeatWrapping, ClampToEdgeWrapping, MirroredRepeatWrapping, NearestMipmapNearestFilter, NearestMipmapLinearFilter, LinearMipmapNearestFilter, LinearMipmapLinearFilter, NeverCompare, AlwaysCompare, LessCompare, EqualCompare, GreaterEqualCompare, GreaterCompare, NotEqualCompare, NoColorSpace, DepthStencilFormat, getByteLength, UnsignedIntType, UnsignedInt248Type, UnsignedShortType, DepthFormat, createElementNS, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedInt5999Type, ByteType, ShortType, AlphaFormat, RGBFormat, LuminanceFormat, LuminanceAlphaFormat, RedFormat, RedIntegerFormat, RGFormat, RGIntegerFormat, RGBAIntegerFormat, RGB_S3TC_DXT1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGB_PVRTC_4BPPV1_Format, RGB_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_PVRTC_2BPPV1_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGBA_ETC2_EAC_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_10x10_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_BPTC_Format, RGB_BPTC_SIGNED_Format, RGB_BPTC_UNSIGNED_Format, RED_RGTC1_Format, SIGNED_RED_RGTC1_Format, RED_GREEN_RGTC2_Format, SIGNED_RED_GREEN_RGTC2_Format, EventDispatcher, ArrayCamera, WebXRController, RAD2DEG, createCanvasElement, SRGBColorSpace, REVISION, toNormalizedProjectionMatrix, toReversedProjectionMatrix, probeAsync, WebGLCoordinateSystem } from './three.core.js';\nexport { AdditiveAnimationBlendMode, AlwaysStencilFunc, AmbientLight, AnimationAction, AnimationClip, AnimationLoader, AnimationMixer, AnimationObjectGroup, AnimationUtils, ArcCurve, ArrowHelper, AttachedBindMode, Audio, AudioAnalyser, AudioContext, AudioListener, AudioLoader, AxesHelper, BasicDepthPacking, BasicShadowMap, BatchedMesh, Bone, BooleanKeyframeTrack, Box2, Box3, Box3Helper, BoxHelper, BufferGeometryLoader, Cache, Camera, CameraHelper, CanvasTexture, CapsuleGeometry, CatmullRomCurve3, CircleGeometry, Clock, ColorKeyframeTrack, CompressedArrayTexture, CompressedCubeTexture, CompressedTexture, CompressedTextureLoader, ConeGeometry, Controls, CubeCamera, CubeTextureLoader, CubicBezierCurve, CubicBezierCurve3, CubicInterpolant, CullFaceFrontBack, Curve, CurvePath, CylinderGeometry, Cylindrical, DataTexture, DataTextureLoader, DataUtils, DecrementStencilOp, DecrementWrapStencilOp, DefaultLoadingManager, DetachedBindMode, DirectionalLight, DirectionalLightHelper, DiscreteInterpolant, DodecahedronGeometry, DynamicCopyUsage, DynamicDrawUsage, DynamicReadUsage, EdgesGeometry, EllipseCurve, EqualStencilFunc, ExtrudeGeometry, FileLoader, Float16BufferAttribute, Float32BufferAttribute, Fog, FogExp2, FramebufferTexture, GLBufferAttribute, GLSL1, GreaterEqualStencilFunc, GreaterStencilFunc, GridHelper, Group, HemisphereLight, HemisphereLightHelper, IcosahedronGeometry, ImageBitmapLoader, ImageLoader, ImageUtils, IncrementStencilOp, IncrementWrapStencilOp, InstancedBufferAttribute, InstancedBufferGeometry, InstancedInterleavedBuffer, InstancedMesh, Int16BufferAttribute, Int32BufferAttribute, Int8BufferAttribute, InterleavedBuffer, InterleavedBufferAttribute, Interpolant, InterpolateDiscrete, InterpolateLinear, InterpolateSmooth, InvertStencilOp, KeepStencilOp, KeyframeTrack, LOD, LatheGeometry, LessEqualStencilFunc, LessStencilFunc, Light, LightProbe, Line, Line3, LineBasicMaterial, LineCurve, LineCurve3, LineDashedMaterial, LineLoop, LineSegments, LinearInterpolant, LinearMipMapLinearFilter, LinearMipMapNearestFilter, Loader, LoaderUtils, LoadingManager, LoopOnce, LoopPingPong, LoopRepeat, MOUSE, Material, MaterialLoader, MathUtils, Matrix2, MeshLambertMaterial, MeshMatcapMaterial, MeshNormalMaterial, MeshPhongMaterial, MeshPhysicalMaterial, MeshStandardMaterial, MeshToonMaterial, NearestMipMapLinearFilter, NearestMipMapNearestFilter, NeverStencilFunc, NormalAnimationBlendMode, NotEqualStencilFunc, NumberKeyframeTrack, Object3D, ObjectLoader, OctahedronGeometry, Path, PlaneHelper, PointLight, PointLightHelper, Points, PointsMaterial, PolarGridHelper, PolyhedronGeometry, PositionalAudio, PropertyBinding, PropertyMixer, QuadraticBezierCurve, QuadraticBezierCurve3, Quaternion, QuaternionKeyframeTrack, QuaternionLinearInterpolant, RGBDepthPacking, RGBIntegerFormat, RGDepthPacking, RawShaderMaterial, Ray, Raycaster, RectAreaLight, RenderTarget, RenderTarget3D, RenderTargetArray, ReplaceStencilOp, RingGeometry, Scene, ShadowMaterial, Shape, ShapeGeometry, ShapePath, ShapeUtils, Skeleton, SkeletonHelper, SkinnedMesh, Source, Sphere, SphereGeometry, Spherical, SphericalHarmonics3, SplineCurve, SpotLight, SpotLightHelper, Sprite, SpriteMaterial, StaticCopyUsage, StaticDrawUsage, StaticReadUsage, StereoCamera, StreamCopyUsage, StreamDrawUsage, StreamReadUsage, StringKeyframeTrack, TOUCH, TetrahedronGeometry, TextureLoader, TextureUtils, TimestampQuery, TorusGeometry, TorusKnotGeometry, Triangle, TriangleFanDrawMode, TriangleStripDrawMode, TrianglesDrawMode, TubeGeometry, UVMapping, Uint8BufferAttribute, Uint8ClampedBufferAttribute, Uniform, UniformsGroup, VectorKeyframeTrack, VideoFrameTexture, VideoTexture, WebGL3DRenderTarget, WebGLArrayRenderTarget, WebGPUCoordinateSystem, WireframeGeometry, WrapAroundEnding, ZeroCurvatureEnding, ZeroSlopeEnding, ZeroStencilOp } from './three.core.js';\n\nfunction WebGLAnimation() {\n\n\tlet context = null;\n\tlet isAnimating = false;\n\tlet animationLoop = null;\n\tlet requestId = null;\n\n\tfunction onAnimationFrame( time, frame ) {\n\n\t\tanimationLoop( time, frame );\n\n\t\trequestId = context.requestAnimationFrame( onAnimationFrame );\n\n\t}\n\n\treturn {\n\n\t\tstart: function () {\n\n\t\t\tif ( isAnimating === true ) return;\n\t\t\tif ( animationLoop === null ) return;\n\n\t\t\trequestId = context.requestAnimationFrame( onAnimationFrame );\n\n\t\t\tisAnimating = true;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tcontext.cancelAnimationFrame( requestId );\n\n\t\t\tisAnimating = false;\n\n\t\t},\n\n\t\tsetAnimationLoop: function ( callback ) {\n\n\t\t\tanimationLoop = callback;\n\n\t\t},\n\n\t\tsetContext: function ( value ) {\n\n\t\t\tcontext = value;\n\n\t\t}\n\n\t};\n\n}\n\nfunction WebGLAttributes( gl ) {\n\n\tconst buffers = new WeakMap();\n\n\tfunction createBuffer( attribute, bufferType ) {\n\n\t\tconst array = attribute.array;\n\t\tconst usage = attribute.usage;\n\t\tconst size = array.byteLength;\n\n\t\tconst buffer = gl.createBuffer();\n\n\t\tgl.bindBuffer( bufferType, buffer );\n\t\tgl.bufferData( bufferType, array, usage );\n\n\t\tattribute.onUploadCallback();\n\n\t\tlet type;\n\n\t\tif ( array instanceof Float32Array ) {\n\n\t\t\ttype = gl.FLOAT;\n\n\t\t} else if ( array instanceof Uint16Array ) {\n\n\t\t\tif ( attribute.isFloat16BufferAttribute ) {\n\n\t\t\t\ttype = gl.HALF_FLOAT;\n\n\t\t\t} else {\n\n\t\t\t\ttype = gl.UNSIGNED_SHORT;\n\n\t\t\t}\n\n\t\t} else if ( array instanceof Int16Array ) {\n\n\t\t\ttype = gl.SHORT;\n\n\t\t} else if ( array instanceof Uint32Array ) {\n\n\t\t\ttype = gl.UNSIGNED_INT;\n\n\t\t} else if ( array instanceof Int32Array ) {\n\n\t\t\ttype = gl.INT;\n\n\t\t} else if ( array instanceof Int8Array ) {\n\n\t\t\ttype = gl.BYTE;\n\n\t\t} else if ( array instanceof Uint8Array ) {\n\n\t\t\ttype = gl.UNSIGNED_BYTE;\n\n\t\t} else if ( array instanceof Uint8ClampedArray ) {\n\n\t\t\ttype = gl.UNSIGNED_BYTE;\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'THREE.WebGLAttributes: Unsupported buffer data format: ' + array );\n\n\t\t}\n\n\t\treturn {\n\t\t\tbuffer: buffer,\n\t\t\ttype: type,\n\t\t\tbytesPerElement: array.BYTES_PER_ELEMENT,\n\t\t\tversion: attribute.version,\n\t\t\tsize: size\n\t\t};\n\n\t}\n\n\tfunction updateBuffer( buffer, attribute, bufferType ) {\n\n\t\tconst array = attribute.array;\n\t\tconst updateRanges = attribute.updateRanges;\n\n\t\tgl.bindBuffer( bufferType, buffer );\n\n\t\tif ( updateRanges.length === 0 ) {\n\n\t\t\t// Not using update ranges\n\t\t\tgl.bufferSubData( bufferType, 0, array );\n\n\t\t} else {\n\n\t\t\t// Before applying update ranges, we merge any adjacent / overlapping\n\t\t\t// ranges to reduce load on `gl.bufferSubData`. Empirically, this has led\n\t\t\t// to performance improvements for applications which make heavy use of\n\t\t\t// update ranges. Likely due to GPU command overhead.\n\t\t\t//\n\t\t\t// Note that to reduce garbage collection between frames, we merge the\n\t\t\t// update ranges in-place. This is safe because this method will clear the\n\t\t\t// update ranges once updated.\n\n\t\t\tupdateRanges.sort( ( a, b ) => a.start - b.start );\n\n\t\t\t// To merge the update ranges in-place, we work from left to right in the\n\t\t\t// existing updateRanges array, merging ranges. This may result in a final\n\t\t\t// array which is smaller than the original. This index tracks the last\n\t\t\t// index representing a merged range, any data after this index can be\n\t\t\t// trimmed once the merge algorithm is completed.\n\t\t\tlet mergeIndex = 0;\n\n\t\t\tfor ( let i = 1; i < updateRanges.length; i ++ ) {\n\n\t\t\t\tconst previousRange = updateRanges[ mergeIndex ];\n\t\t\t\tconst range = updateRanges[ i ];\n\n\t\t\t\t// We add one here to merge adjacent ranges. This is safe because ranges\n\t\t\t\t// operate over positive integers.\n\t\t\t\tif ( range.start <= previousRange.start + previousRange.count + 1 ) {\n\n\t\t\t\t\tpreviousRange.count = Math.max(\n\t\t\t\t\t\tpreviousRange.count,\n\t\t\t\t\t\trange.start + range.count - previousRange.start\n\t\t\t\t\t);\n\n\t\t\t\t} else {\n\n\t\t\t\t\t++ mergeIndex;\n\t\t\t\t\tupdateRanges[ mergeIndex ] = range;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Trim the array to only contain the merged ranges.\n\t\t\tupdateRanges.length = mergeIndex + 1;\n\n\t\t\tfor ( let i = 0, l = updateRanges.length; i < l; i ++ ) {\n\n\t\t\t\tconst range = updateRanges[ i ];\n\n\t\t\t\tgl.bufferSubData( bufferType, range.start * array.BYTES_PER_ELEMENT,\n\t\t\t\t\tarray, range.start, range.count );\n\n\t\t\t}\n\n\t\t\tattribute.clearUpdateRanges();\n\n\t\t}\n\n\t\tattribute.onUploadCallback();\n\n\t}\n\n\t//\n\n\tfunction get( attribute ) {\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\treturn buffers.get( attribute );\n\n\t}\n\n\tfunction remove( attribute ) {\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\tconst data = buffers.get( attribute );\n\n\t\tif ( data ) {\n\n\t\t\tgl.deleteBuffer( data.buffer );\n\n\t\t\tbuffers.delete( attribute );\n\n\t\t}\n\n\t}\n\n\tfunction update( attribute, bufferType ) {\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\tif ( attribute.isGLBufferAttribute ) {\n\n\t\t\tconst cached = buffers.get( attribute );\n\n\t\t\tif ( ! cached || cached.version < attribute.version ) {\n\n\t\t\t\tbuffers.set( attribute, {\n\t\t\t\t\tbuffer: attribute.buffer,\n\t\t\t\t\ttype: attribute.type,\n\t\t\t\t\tbytesPerElement: attribute.elementSize,\n\t\t\t\t\tversion: attribute.version\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst data = buffers.get( attribute );\n\n\t\tif ( data === undefined ) {\n\n\t\t\tbuffers.set( attribute, createBuffer( attribute, bufferType ) );\n\n\t\t} else if ( data.version < attribute.version ) {\n\n\t\t\tif ( data.size !== attribute.array.byteLength ) {\n\n\t\t\t\tthrow new Error( 'THREE.WebGLAttributes: The size of the buffer attribute\\'s array buffer does not match the original size. Resizing buffer attributes is not supported.' );\n\n\t\t\t}\n\n\t\t\tupdateBuffer( data.buffer, attribute, bufferType );\n\n\t\t\tdata.version = attribute.version;\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\tget: get,\n\t\tremove: remove,\n\t\tupdate: update\n\n\t};\n\n}\n\nvar alphahash_fragment = \"#ifdef USE_ALPHAHASH\\n\\tif ( diffuseColor.a < getAlphaHashThreshold( vPosition ) ) discard;\\n#endif\";\n\nvar alphahash_pars_fragment = \"#ifdef USE_ALPHAHASH\\n\\tconst float ALPHA_HASH_SCALE = 0.05;\\n\\tfloat hash2D( vec2 value ) {\\n\\t\\treturn fract( 1.0e4 * sin( 17.0 * value.x + 0.1 * value.y ) * ( 0.1 + abs( sin( 13.0 * value.y + value.x ) ) ) );\\n\\t}\\n\\tfloat hash3D( vec3 value ) {\\n\\t\\treturn hash2D( vec2( hash2D( value.xy ), value.z ) );\\n\\t}\\n\\tfloat getAlphaHashThreshold( vec3 position ) {\\n\\t\\tfloat maxDeriv = max(\\n\\t\\t\\tlength( dFdx( position.xyz ) ),\\n\\t\\t\\tlength( dFdy( position.xyz ) )\\n\\t\\t);\\n\\t\\tfloat pixScale = 1.0 / ( ALPHA_HASH_SCALE * maxDeriv );\\n\\t\\tvec2 pixScales = vec2(\\n\\t\\t\\texp2( floor( log2( pixScale ) ) ),\\n\\t\\t\\texp2( ceil( log2( pixScale ) ) )\\n\\t\\t);\\n\\t\\tvec2 alpha = vec2(\\n\\t\\t\\thash3D( floor( pixScales.x * position.xyz ) ),\\n\\t\\t\\thash3D( floor( pixScales.y * position.xyz ) )\\n\\t\\t);\\n\\t\\tfloat lerpFactor = fract( log2( pixScale ) );\\n\\t\\tfloat x = ( 1.0 - lerpFactor ) * alpha.x + lerpFactor * alpha.y;\\n\\t\\tfloat a = min( lerpFactor, 1.0 - lerpFactor );\\n\\t\\tvec3 cases = vec3(\\n\\t\\t\\tx * x / ( 2.0 * a * ( 1.0 - a ) ),\\n\\t\\t\\t( x - 0.5 * a ) / ( 1.0 - a ),\\n\\t\\t\\t1.0 - ( ( 1.0 - x ) * ( 1.0 - x ) / ( 2.0 * a * ( 1.0 - a ) ) )\\n\\t\\t);\\n\\t\\tfloat threshold = ( x < ( 1.0 - a ) )\\n\\t\\t\\t? ( ( x < a ) ? cases.x : cases.y )\\n\\t\\t\\t: cases.z;\\n\\t\\treturn clamp( threshold , 1.0e-6, 1.0 );\\n\\t}\\n#endif\";\n\nvar alphamap_fragment = \"#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, vAlphaMapUv ).g;\\n#endif\";\n\nvar alphamap_pars_fragment = \"#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\";\n\nvar alphatest_fragment = \"#ifdef USE_ALPHATEST\\n\\t#ifdef ALPHA_TO_COVERAGE\\n\\tdiffuseColor.a = smoothstep( alphaTest, alphaTest + fwidth( diffuseColor.a ), diffuseColor.a );\\n\\tif ( diffuseColor.a == 0.0 ) discard;\\n\\t#else\\n\\tif ( diffuseColor.a < alphaTest ) discard;\\n\\t#endif\\n#endif\";\n\nvar alphatest_pars_fragment = \"#ifdef USE_ALPHATEST\\n\\tuniform float alphaTest;\\n#endif\";\n\nvar aomap_fragment = \"#ifdef USE_AOMAP\\n\\tfloat ambientOcclusion = ( texture2D( aoMap, vAoMapUv ).r - 1.0 ) * aoMapIntensity + 1.0;\\n\\treflectedLight.indirectDiffuse *= ambientOcclusion;\\n\\t#if defined( USE_CLEARCOAT ) \\n\\t\\tclearcoatSpecularIndirect *= ambientOcclusion;\\n\\t#endif\\n\\t#if defined( USE_SHEEN ) \\n\\t\\tsheenSpecularIndirect *= ambientOcclusion;\\n\\t#endif\\n\\t#if defined( USE_ENVMAP ) && defined( STANDARD )\\n\\t\\tfloat dotNV = saturate( dot( geometryNormal, geometryViewDir ) );\\n\\t\\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\\n\\t#endif\\n#endif\";\n\nvar aomap_pars_fragment = \"#ifdef USE_AOMAP\\n\\tuniform sampler2D aoMap;\\n\\tuniform float aoMapIntensity;\\n#endif\";\n\nvar batching_pars_vertex = \"#ifdef USE_BATCHING\\n\\t#if ! defined( GL_ANGLE_multi_draw )\\n\\t#define gl_DrawID _gl_DrawID\\n\\tuniform int _gl_DrawID;\\n\\t#endif\\n\\tuniform highp sampler2D batchingTexture;\\n\\tuniform highp usampler2D batchingIdTexture;\\n\\tmat4 getBatchingMatrix( const in float i ) {\\n\\t\\tint size = textureSize( batchingTexture, 0 ).x;\\n\\t\\tint j = int( i ) * 4;\\n\\t\\tint x = j % size;\\n\\t\\tint y = j / size;\\n\\t\\tvec4 v1 = texelFetch( batchingTexture, ivec2( x, y ), 0 );\\n\\t\\tvec4 v2 = texelFetch( batchingTexture, ivec2( x + 1, y ), 0 );\\n\\t\\tvec4 v3 = texelFetch( batchingTexture, ivec2( x + 2, y ), 0 );\\n\\t\\tvec4 v4 = texelFetch( batchingTexture, ivec2( x + 3, y ), 0 );\\n\\t\\treturn mat4( v1, v2, v3, v4 );\\n\\t}\\n\\tfloat getIndirectIndex( const in int i ) {\\n\\t\\tint size = textureSize( batchingIdTexture, 0 ).x;\\n\\t\\tint x = i % size;\\n\\t\\tint y = i / size;\\n\\t\\treturn float( texelFetch( batchingIdTexture, ivec2( x, y ), 0 ).r );\\n\\t}\\n#endif\\n#ifdef USE_BATCHING_COLOR\\n\\tuniform sampler2D batchingColorTexture;\\n\\tvec3 getBatchingColor( const in float i ) {\\n\\t\\tint size = textureSize( batchingColorTexture, 0 ).x;\\n\\t\\tint j = int( i );\\n\\t\\tint x = j % size;\\n\\t\\tint y = j / size;\\n\\t\\treturn texelFetch( batchingColorTexture, ivec2( x, y ), 0 ).rgb;\\n\\t}\\n#endif\";\n\nvar batching_vertex = \"#ifdef USE_BATCHING\\n\\tmat4 batchingMatrix = getBatchingMatrix( getIndirectIndex( gl_DrawID ) );\\n#endif\";\n\nvar begin_vertex = \"vec3 transformed = vec3( position );\\n#ifdef USE_ALPHAHASH\\n\\tvPosition = vec3( position );\\n#endif\";\n\nvar beginnormal_vertex = \"vec3 objectNormal = vec3( normal );\\n#ifdef USE_TANGENT\\n\\tvec3 objectTangent = vec3( tangent.xyz );\\n#endif\";\n\nvar bsdfs = \"float G_BlinnPhong_Implicit( ) {\\n\\treturn 0.25;\\n}\\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\\n\\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\\n}\\nvec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\\n\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, 1.0, dotVH );\\n\\tfloat G = G_BlinnPhong_Implicit( );\\n\\tfloat D = D_BlinnPhong( shininess, dotNH );\\n\\treturn F * ( G * D );\\n} // validated\";\n\nvar iridescence_fragment = \"#ifdef USE_IRIDESCENCE\\n\\tconst mat3 XYZ_TO_REC709 = mat3(\\n\\t\\t 3.2404542, -0.9692660, 0.0556434,\\n\\t\\t-1.5371385, 1.8760108, -0.2040259,\\n\\t\\t-0.4985314, 0.0415560, 1.0572252\\n\\t);\\n\\tvec3 Fresnel0ToIor( vec3 fresnel0 ) {\\n\\t\\tvec3 sqrtF0 = sqrt( fresnel0 );\\n\\t\\treturn ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );\\n\\t}\\n\\tvec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {\\n\\t\\treturn pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );\\n\\t}\\n\\tfloat IorToFresnel0( float transmittedIor, float incidentIor ) {\\n\\t\\treturn pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));\\n\\t}\\n\\tvec3 evalSensitivity( float OPD, vec3 shift ) {\\n\\t\\tfloat phase = 2.0 * PI * OPD * 1.0e-9;\\n\\t\\tvec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );\\n\\t\\tvec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );\\n\\t\\tvec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );\\n\\t\\tvec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );\\n\\t\\txyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) );\\n\\t\\txyz /= 1.0685e-7;\\n\\t\\tvec3 rgb = XYZ_TO_REC709 * xyz;\\n\\t\\treturn rgb;\\n\\t}\\n\\tvec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {\\n\\t\\tvec3 I;\\n\\t\\tfloat iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );\\n\\t\\tfloat sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );\\n\\t\\tfloat cosTheta2Sq = 1.0 - sinTheta2Sq;\\n\\t\\tif ( cosTheta2Sq < 0.0 ) {\\n\\t\\t\\treturn vec3( 1.0 );\\n\\t\\t}\\n\\t\\tfloat cosTheta2 = sqrt( cosTheta2Sq );\\n\\t\\tfloat R0 = IorToFresnel0( iridescenceIOR, outsideIOR );\\n\\t\\tfloat R12 = F_Schlick( R0, 1.0, cosTheta1 );\\n\\t\\tfloat T121 = 1.0 - R12;\\n\\t\\tfloat phi12 = 0.0;\\n\\t\\tif ( iridescenceIOR < outsideIOR ) phi12 = PI;\\n\\t\\tfloat phi21 = PI - phi12;\\n\\t\\tvec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) );\\t\\tvec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );\\n\\t\\tvec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );\\n\\t\\tvec3 phi23 = vec3( 0.0 );\\n\\t\\tif ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI;\\n\\t\\tif ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI;\\n\\t\\tif ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI;\\n\\t\\tfloat OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;\\n\\t\\tvec3 phi = vec3( phi21 ) + phi23;\\n\\t\\tvec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );\\n\\t\\tvec3 r123 = sqrt( R123 );\\n\\t\\tvec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );\\n\\t\\tvec3 C0 = R12 + Rs;\\n\\t\\tI = C0;\\n\\t\\tvec3 Cm = Rs - T121;\\n\\t\\tfor ( int m = 1; m <= 2; ++ m ) {\\n\\t\\t\\tCm *= r123;\\n\\t\\t\\tvec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );\\n\\t\\t\\tI += Cm * Sm;\\n\\t\\t}\\n\\t\\treturn max( I, vec3( 0.0 ) );\\n\\t}\\n#endif\";\n\nvar bumpmap_pars_fragment = \"#ifdef USE_BUMPMAP\\n\\tuniform sampler2D bumpMap;\\n\\tuniform float bumpScale;\\n\\tvec2 dHdxy_fwd() {\\n\\t\\tvec2 dSTdx = dFdx( vBumpMapUv );\\n\\t\\tvec2 dSTdy = dFdy( vBumpMapUv );\\n\\t\\tfloat Hll = bumpScale * texture2D( bumpMap, vBumpMapUv ).x;\\n\\t\\tfloat dBx = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdx ).x - Hll;\\n\\t\\tfloat dBy = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdy ).x - Hll;\\n\\t\\treturn vec2( dBx, dBy );\\n\\t}\\n\\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\\n\\t\\tvec3 vSigmaX = normalize( dFdx( surf_pos.xyz ) );\\n\\t\\tvec3 vSigmaY = normalize( dFdy( surf_pos.xyz ) );\\n\\t\\tvec3 vN = surf_norm;\\n\\t\\tvec3 R1 = cross( vSigmaY, vN );\\n\\t\\tvec3 R2 = cross( vN, vSigmaX );\\n\\t\\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\\n\\t\\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\\n\\t\\treturn normalize( abs( fDet ) * surf_norm - vGrad );\\n\\t}\\n#endif\";\n\nvar clipping_planes_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvec4 plane;\\n\\t#ifdef ALPHA_TO_COVERAGE\\n\\t\\tfloat distanceToPlane, distanceGradient;\\n\\t\\tfloat clipOpacity = 1.0;\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\\n\\t\\t\\tplane = clippingPlanes[ i ];\\n\\t\\t\\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\\n\\t\\t\\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\\n\\t\\t\\tclipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\\n\\t\\t\\tif ( clipOpacity == 0.0 ) discard;\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t\\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\\n\\t\\t\\tfloat unionClipOpacity = 1.0;\\n\\t\\t\\t#pragma unroll_loop_start\\n\\t\\t\\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\\n\\t\\t\\t\\tplane = clippingPlanes[ i ];\\n\\t\\t\\t\\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\\n\\t\\t\\t\\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\\n\\t\\t\\t\\tunionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\\n\\t\\t\\t}\\n\\t\\t\\t#pragma unroll_loop_end\\n\\t\\t\\tclipOpacity *= 1.0 - unionClipOpacity;\\n\\t\\t#endif\\n\\t\\tdiffuseColor.a *= clipOpacity;\\n\\t\\tif ( diffuseColor.a == 0.0 ) discard;\\n\\t#else\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\\n\\t\\t\\tplane = clippingPlanes[ i ];\\n\\t\\t\\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t\\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\\n\\t\\t\\tbool clipped = true;\\n\\t\\t\\t#pragma unroll_loop_start\\n\\t\\t\\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\\n\\t\\t\\t\\tplane = clippingPlanes[ i ];\\n\\t\\t\\t\\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\\n\\t\\t\\t}\\n\\t\\t\\t#pragma unroll_loop_end\\n\\t\\t\\tif ( clipped ) discard;\\n\\t\\t#endif\\n\\t#endif\\n#endif\";\n\nvar clipping_planes_pars_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvarying vec3 vClipPosition;\\n\\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\\n#endif\";\n\nvar clipping_planes_pars_vertex = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvarying vec3 vClipPosition;\\n#endif\";\n\nvar clipping_planes_vertex = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvClipPosition = - mvPosition.xyz;\\n#endif\";\n\nvar color_fragment = \"#if defined( USE_COLOR_ALPHA )\\n\\tdiffuseColor *= vColor;\\n#elif defined( USE_COLOR )\\n\\tdiffuseColor.rgb *= vColor;\\n#endif\";\n\nvar color_pars_fragment = \"#if defined( USE_COLOR_ALPHA )\\n\\tvarying vec4 vColor;\\n#elif defined( USE_COLOR )\\n\\tvarying vec3 vColor;\\n#endif\";\n\nvar color_pars_vertex = \"#if defined( USE_COLOR_ALPHA )\\n\\tvarying vec4 vColor;\\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\\n\\tvarying vec3 vColor;\\n#endif\";\n\nvar color_vertex = \"#if defined( USE_COLOR_ALPHA )\\n\\tvColor = vec4( 1.0 );\\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\\n\\tvColor = vec3( 1.0 );\\n#endif\\n#ifdef USE_COLOR\\n\\tvColor *= color;\\n#endif\\n#ifdef USE_INSTANCING_COLOR\\n\\tvColor.xyz *= instanceColor.xyz;\\n#endif\\n#ifdef USE_BATCHING_COLOR\\n\\tvec3 batchingColor = getBatchingColor( getIndirectIndex( gl_DrawID ) );\\n\\tvColor.xyz *= batchingColor.xyz;\\n#endif\";\n\nvar common = \"#define PI 3.141592653589793\\n#define PI2 6.283185307179586\\n#define PI_HALF 1.5707963267948966\\n#define RECIPROCAL_PI 0.3183098861837907\\n#define RECIPROCAL_PI2 0.15915494309189535\\n#define EPSILON 1e-6\\n#ifndef saturate\\n#define saturate( a ) clamp( a, 0.0, 1.0 )\\n#endif\\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\\nfloat pow2( const in float x ) { return x*x; }\\nvec3 pow2( const in vec3 x ) { return x*x; }\\nfloat pow3( const in float x ) { return x*x*x; }\\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\\nfloat average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }\\nhighp float rand( const in vec2 uv ) {\\n\\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\\n\\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\\n\\treturn fract( sin( sn ) * c );\\n}\\n#ifdef HIGH_PRECISION\\n\\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\\n#else\\n\\tfloat precisionSafeLength( vec3 v ) {\\n\\t\\tfloat maxComponent = max3( abs( v ) );\\n\\t\\treturn length( v / maxComponent ) * maxComponent;\\n\\t}\\n#endif\\nstruct IncidentLight {\\n\\tvec3 color;\\n\\tvec3 direction;\\n\\tbool visible;\\n};\\nstruct ReflectedLight {\\n\\tvec3 directDiffuse;\\n\\tvec3 directSpecular;\\n\\tvec3 indirectDiffuse;\\n\\tvec3 indirectSpecular;\\n};\\n#ifdef USE_ALPHAHASH\\n\\tvarying vec3 vPosition;\\n#endif\\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\\n}\\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\\n}\\nmat3 transposeMat3( const in mat3 m ) {\\n\\tmat3 tmp;\\n\\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\\n\\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\\n\\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\\n\\treturn tmp;\\n}\\nbool isPerspectiveMatrix( mat4 m ) {\\n\\treturn m[ 2 ][ 3 ] == - 1.0;\\n}\\nvec2 equirectUv( in vec3 dir ) {\\n\\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\\n\\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\\n\\treturn vec2( u, v );\\n}\\nvec3 BRDF_Lambert( const in vec3 diffuseColor ) {\\n\\treturn RECIPROCAL_PI * diffuseColor;\\n}\\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\\n\\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\\n\\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\\n}\\nfloat F_Schlick( const in float f0, const in float f90, const in float dotVH ) {\\n\\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\\n\\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\\n} // validated\";\n\nvar cube_uv_reflection_fragment = \"#ifdef ENVMAP_TYPE_CUBE_UV\\n\\t#define cubeUV_minMipLevel 4.0\\n\\t#define cubeUV_minTileSize 16.0\\n\\tfloat getFace( vec3 direction ) {\\n\\t\\tvec3 absDirection = abs( direction );\\n\\t\\tfloat face = - 1.0;\\n\\t\\tif ( absDirection.x > absDirection.z ) {\\n\\t\\t\\tif ( absDirection.x > absDirection.y )\\n\\t\\t\\t\\tface = direction.x > 0.0 ? 0.0 : 3.0;\\n\\t\\t\\telse\\n\\t\\t\\t\\tface = direction.y > 0.0 ? 1.0 : 4.0;\\n\\t\\t} else {\\n\\t\\t\\tif ( absDirection.z > absDirection.y )\\n\\t\\t\\t\\tface = direction.z > 0.0 ? 2.0 : 5.0;\\n\\t\\t\\telse\\n\\t\\t\\t\\tface = direction.y > 0.0 ? 1.0 : 4.0;\\n\\t\\t}\\n\\t\\treturn face;\\n\\t}\\n\\tvec2 getUV( vec3 direction, float face ) {\\n\\t\\tvec2 uv;\\n\\t\\tif ( face == 0.0 ) {\\n\\t\\t\\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\\n\\t\\t} else if ( face == 1.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\\n\\t\\t} else if ( face == 2.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\\n\\t\\t} else if ( face == 3.0 ) {\\n\\t\\t\\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\\n\\t\\t} else if ( face == 4.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\\n\\t\\t} else {\\n\\t\\t\\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\\n\\t\\t}\\n\\t\\treturn 0.5 * ( uv + 1.0 );\\n\\t}\\n\\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\\n\\t\\tfloat face = getFace( direction );\\n\\t\\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\\n\\t\\tmipInt = max( mipInt, cubeUV_minMipLevel );\\n\\t\\tfloat faceSize = exp2( mipInt );\\n\\t\\thighp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\\n\\t\\tif ( face > 2.0 ) {\\n\\t\\t\\tuv.y += faceSize;\\n\\t\\t\\tface -= 3.0;\\n\\t\\t}\\n\\t\\tuv.x += face * faceSize;\\n\\t\\tuv.x += filterInt * 3.0 * cubeUV_minTileSize;\\n\\t\\tuv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\\n\\t\\tuv.x *= CUBEUV_TEXEL_WIDTH;\\n\\t\\tuv.y *= CUBEUV_TEXEL_HEIGHT;\\n\\t\\t#ifdef texture2DGradEXT\\n\\t\\t\\treturn texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\\n\\t\\t#else\\n\\t\\t\\treturn texture2D( envMap, uv ).rgb;\\n\\t\\t#endif\\n\\t}\\n\\t#define cubeUV_r0 1.0\\n\\t#define cubeUV_m0 - 2.0\\n\\t#define cubeUV_r1 0.8\\n\\t#define cubeUV_m1 - 1.0\\n\\t#define cubeUV_r4 0.4\\n\\t#define cubeUV_m4 2.0\\n\\t#define cubeUV_r5 0.305\\n\\t#define cubeUV_m5 3.0\\n\\t#define cubeUV_r6 0.21\\n\\t#define cubeUV_m6 4.0\\n\\tfloat roughnessToMip( float roughness ) {\\n\\t\\tfloat mip = 0.0;\\n\\t\\tif ( roughness >= cubeUV_r1 ) {\\n\\t\\t\\tmip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;\\n\\t\\t} else if ( roughness >= cubeUV_r4 ) {\\n\\t\\t\\tmip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;\\n\\t\\t} else if ( roughness >= cubeUV_r5 ) {\\n\\t\\t\\tmip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;\\n\\t\\t} else if ( roughness >= cubeUV_r6 ) {\\n\\t\\t\\tmip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;\\n\\t\\t} else {\\n\\t\\t\\tmip = - 2.0 * log2( 1.16 * roughness );\\t\\t}\\n\\t\\treturn mip;\\n\\t}\\n\\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\\n\\t\\tfloat mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );\\n\\t\\tfloat mipF = fract( mip );\\n\\t\\tfloat mipInt = floor( mip );\\n\\t\\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\\n\\t\\tif ( mipF == 0.0 ) {\\n\\t\\t\\treturn vec4( color0, 1.0 );\\n\\t\\t} else {\\n\\t\\t\\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\\n\\t\\t\\treturn vec4( mix( color0, color1, mipF ), 1.0 );\\n\\t\\t}\\n\\t}\\n#endif\";\n\nvar defaultnormal_vertex = \"vec3 transformedNormal = objectNormal;\\n#ifdef USE_TANGENT\\n\\tvec3 transformedTangent = objectTangent;\\n#endif\\n#ifdef USE_BATCHING\\n\\tmat3 bm = mat3( batchingMatrix );\\n\\ttransformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) );\\n\\ttransformedNormal = bm * transformedNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\ttransformedTangent = bm * transformedTangent;\\n\\t#endif\\n#endif\\n#ifdef USE_INSTANCING\\n\\tmat3 im = mat3( instanceMatrix );\\n\\ttransformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) );\\n\\ttransformedNormal = im * transformedNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\ttransformedTangent = im * transformedTangent;\\n\\t#endif\\n#endif\\ntransformedNormal = normalMatrix * transformedNormal;\\n#ifdef FLIP_SIDED\\n\\ttransformedNormal = - transformedNormal;\\n#endif\\n#ifdef USE_TANGENT\\n\\ttransformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz;\\n\\t#ifdef FLIP_SIDED\\n\\t\\ttransformedTangent = - transformedTangent;\\n\\t#endif\\n#endif\";\n\nvar displacementmap_pars_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\tuniform sampler2D displacementMap;\\n\\tuniform float displacementScale;\\n\\tuniform float displacementBias;\\n#endif\";\n\nvar displacementmap_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias );\\n#endif\";\n\nvar emissivemap_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tvec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv );\\n\\t#ifdef DECODE_VIDEO_TEXTURE_EMISSIVE\\n\\t\\temissiveColor = sRGBTransferEOTF( emissiveColor );\\n\\t#endif\\n\\ttotalEmissiveRadiance *= emissiveColor.rgb;\\n#endif\";\n\nvar emissivemap_pars_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tuniform sampler2D emissiveMap;\\n#endif\";\n\nvar colorspace_fragment = \"gl_FragColor = linearToOutputTexel( gl_FragColor );\";\n\nvar colorspace_pars_fragment = \"vec4 LinearTransferOETF( in vec4 value ) {\\n\\treturn value;\\n}\\nvec4 sRGBTransferEOTF( in vec4 value ) {\\n\\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\\n}\\nvec4 sRGBTransferOETF( in vec4 value ) {\\n\\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\\n}\";\n\nvar envmap_fragment = \"#ifdef USE_ENVMAP\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvec3 cameraToFrag;\\n\\t\\tif ( isOrthographic ) {\\n\\t\\t\\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\\n\\t\\t} else {\\n\\t\\t\\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\\n\\t\\t}\\n\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#else\\n\\t\\tvec3 reflectVec = vReflect;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tvec4 envColor = textureCube( envMap, envMapRotation * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\\n\\t#else\\n\\t\\tvec4 envColor = vec4( 0.0 );\\n\\t#endif\\n\\t#ifdef ENVMAP_BLENDING_MULTIPLY\\n\\t\\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_MIX )\\n\\t\\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_ADD )\\n\\t\\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\\n\\t#endif\\n#endif\";\n\nvar envmap_common_pars_fragment = \"#ifdef USE_ENVMAP\\n\\tuniform float envMapIntensity;\\n\\tuniform float flipEnvMap;\\n\\tuniform mat3 envMapRotation;\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tuniform samplerCube envMap;\\n\\t#else\\n\\t\\tuniform sampler2D envMap;\\n\\t#endif\\n\\t\\n#endif\";\n\nvar envmap_pars_fragment = \"#ifdef USE_ENVMAP\\n\\tuniform float reflectivity;\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\\n\\t\\t#define ENV_WORLDPOS\\n\\t#endif\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t\\tuniform float refractionRatio;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t#endif\\n#endif\";\n\nvar envmap_pars_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\\n\\t\\t#define ENV_WORLDPOS\\n\\t#endif\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\t\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t\\tuniform float refractionRatio;\\n\\t#endif\\n#endif\";\n\nvar envmap_vertex = \"#ifdef USE_ENVMAP\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvWorldPosition = worldPosition.xyz;\\n\\t#else\\n\\t\\tvec3 cameraToVertex;\\n\\t\\tif ( isOrthographic ) {\\n\\t\\t\\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\\n\\t\\t} else {\\n\\t\\t\\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\\n\\t\\t}\\n\\t\\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvReflect = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#endif\\n#endif\";\n\nvar fog_vertex = \"#ifdef USE_FOG\\n\\tvFogDepth = - mvPosition.z;\\n#endif\";\n\nvar fog_pars_vertex = \"#ifdef USE_FOG\\n\\tvarying float vFogDepth;\\n#endif\";\n\nvar fog_fragment = \"#ifdef USE_FOG\\n\\t#ifdef FOG_EXP2\\n\\t\\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\\n\\t#else\\n\\t\\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\\n\\t#endif\\n\\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\\n#endif\";\n\nvar fog_pars_fragment = \"#ifdef USE_FOG\\n\\tuniform vec3 fogColor;\\n\\tvarying float vFogDepth;\\n\\t#ifdef FOG_EXP2\\n\\t\\tuniform float fogDensity;\\n\\t#else\\n\\t\\tuniform float fogNear;\\n\\t\\tuniform float fogFar;\\n\\t#endif\\n#endif\";\n\nvar gradientmap_pars_fragment = \"#ifdef USE_GRADIENTMAP\\n\\tuniform sampler2D gradientMap;\\n#endif\\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\\n\\tfloat dotNL = dot( normal, lightDirection );\\n\\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\\n\\t#ifdef USE_GRADIENTMAP\\n\\t\\treturn vec3( texture2D( gradientMap, coord ).r );\\n\\t#else\\n\\t\\tvec2 fw = fwidth( coord ) * 0.5;\\n\\t\\treturn mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );\\n\\t#endif\\n}\";\n\nvar lightmap_pars_fragment = \"#ifdef USE_LIGHTMAP\\n\\tuniform sampler2D lightMap;\\n\\tuniform float lightMapIntensity;\\n#endif\";\n\nvar lights_lambert_fragment = \"LambertMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\\nmaterial.specularStrength = specularStrength;\";\n\nvar lights_lambert_pars_fragment = \"varying vec3 vViewPosition;\\nstruct LambertMaterial {\\n\\tvec3 diffuseColor;\\n\\tfloat specularStrength;\\n};\\nvoid RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Lambert\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Lambert\";\n\nvar lights_pars_begin = \"uniform bool receiveShadow;\\nuniform vec3 ambientLightColor;\\n#if defined( USE_LIGHT_PROBES )\\n\\tuniform vec3 lightProbe[ 9 ];\\n#endif\\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\\n\\tfloat x = normal.x, y = normal.y, z = normal.z;\\n\\tvec3 result = shCoefficients[ 0 ] * 0.886227;\\n\\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\\n\\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\\n\\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\\n\\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\\n\\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\\n\\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\\n\\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\\n\\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\\n\\treturn result;\\n}\\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\\n\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\\n\\treturn irradiance;\\n}\\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\\n\\tvec3 irradiance = ambientLightColor;\\n\\treturn irradiance;\\n}\\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\\n\\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\\n\\tif ( cutoffDistance > 0.0 ) {\\n\\t\\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\\n\\t}\\n\\treturn distanceFalloff;\\n}\\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\\n\\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\\n}\\n#if NUM_DIR_LIGHTS > 0\\n\\tstruct DirectionalLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t};\\n\\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\\n\\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) {\\n\\t\\tlight.color = directionalLight.color;\\n\\t\\tlight.direction = directionalLight.direction;\\n\\t\\tlight.visible = true;\\n\\t}\\n#endif\\n#if NUM_POINT_LIGHTS > 0\\n\\tstruct PointLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t};\\n\\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\\n\\tvoid getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) {\\n\\t\\tvec3 lVector = pointLight.position - geometryPosition;\\n\\t\\tlight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tlight.color = pointLight.color;\\n\\t\\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\\n\\t\\tlight.visible = ( light.color != vec3( 0.0 ) );\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tstruct SpotLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tfloat coneCos;\\n\\t\\tfloat penumbraCos;\\n\\t};\\n\\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\\n\\tvoid getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) {\\n\\t\\tvec3 lVector = spotLight.position - geometryPosition;\\n\\t\\tlight.direction = normalize( lVector );\\n\\t\\tfloat angleCos = dot( light.direction, spotLight.direction );\\n\\t\\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\\n\\t\\tif ( spotAttenuation > 0.0 ) {\\n\\t\\t\\tfloat lightDistance = length( lVector );\\n\\t\\t\\tlight.color = spotLight.color * spotAttenuation;\\n\\t\\t\\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\\n\\t\\t\\tlight.visible = ( light.color != vec3( 0.0 ) );\\n\\t\\t} else {\\n\\t\\t\\tlight.color = vec3( 0.0 );\\n\\t\\t\\tlight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_RECT_AREA_LIGHTS > 0\\n\\tstruct RectAreaLight {\\n\\t\\tvec3 color;\\n\\t\\tvec3 position;\\n\\t\\tvec3 halfWidth;\\n\\t\\tvec3 halfHeight;\\n\\t};\\n\\tuniform sampler2D ltc_1;\\tuniform sampler2D ltc_2;\\n\\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tstruct HemisphereLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 skyColor;\\n\\t\\tvec3 groundColor;\\n\\t};\\n\\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\\n\\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\\n\\t\\tfloat dotNL = dot( normal, hemiLight.direction );\\n\\t\\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\\n\\t\\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\\n\\t\\treturn irradiance;\\n\\t}\\n#endif\";\n\nvar envmap_physical_pars_fragment = \"#ifdef USE_ENVMAP\\n\\tvec3 getIBLIrradiance( const in vec3 normal ) {\\n\\t\\t#ifdef ENVMAP_TYPE_CUBE_UV\\n\\t\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * worldNormal, 1.0 );\\n\\t\\t\\treturn PI * envMapColor.rgb * envMapIntensity;\\n\\t\\t#else\\n\\t\\t\\treturn vec3( 0.0 );\\n\\t\\t#endif\\n\\t}\\n\\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\\n\\t\\t#ifdef ENVMAP_TYPE_CUBE_UV\\n\\t\\t\\tvec3 reflectVec = reflect( - viewDir, normal );\\n\\t\\t\\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\\n\\t\\t\\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * reflectVec, roughness );\\n\\t\\t\\treturn envMapColor.rgb * envMapIntensity;\\n\\t\\t#else\\n\\t\\t\\treturn vec3( 0.0 );\\n\\t\\t#endif\\n\\t}\\n\\t#ifdef USE_ANISOTROPY\\n\\t\\tvec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) {\\n\\t\\t\\t#ifdef ENVMAP_TYPE_CUBE_UV\\n\\t\\t\\t\\tvec3 bentNormal = cross( bitangent, viewDir );\\n\\t\\t\\t\\tbentNormal = normalize( cross( bentNormal, bitangent ) );\\n\\t\\t\\t\\tbentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) );\\n\\t\\t\\t\\treturn getIBLRadiance( viewDir, bentNormal, roughness );\\n\\t\\t\\t#else\\n\\t\\t\\t\\treturn vec3( 0.0 );\\n\\t\\t\\t#endif\\n\\t\\t}\\n\\t#endif\\n#endif\";\n\nvar lights_toon_fragment = \"ToonMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\";\n\nvar lights_toon_pars_fragment = \"varying vec3 vViewPosition;\\nstruct ToonMaterial {\\n\\tvec3 diffuseColor;\\n};\\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tvec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color;\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Toon\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Toon\";\n\nvar lights_phong_fragment = \"BlinnPhongMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\\nmaterial.specularColor = specular;\\nmaterial.specularShininess = shininess;\\nmaterial.specularStrength = specularStrength;\";\n\nvar lights_phong_pars_fragment = \"varying vec3 vViewPosition;\\nstruct BlinnPhongMaterial {\\n\\tvec3 diffuseColor;\\n\\tvec3 specularColor;\\n\\tfloat specularShininess;\\n\\tfloat specularStrength;\\n};\\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n\\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength;\\n}\\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_BlinnPhong\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_BlinnPhong\";\n\nvar lights_physical_fragment = \"PhysicalMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\\nvec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) );\\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\\nmaterial.roughness = min( material.roughness, 1.0 );\\n#ifdef IOR\\n\\tmaterial.ior = ior;\\n\\t#ifdef USE_SPECULAR\\n\\t\\tfloat specularIntensityFactor = specularIntensity;\\n\\t\\tvec3 specularColorFactor = specularColor;\\n\\t\\t#ifdef USE_SPECULAR_COLORMAP\\n\\t\\t\\tspecularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb;\\n\\t\\t#endif\\n\\t\\t#ifdef USE_SPECULAR_INTENSITYMAP\\n\\t\\t\\tspecularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a;\\n\\t\\t#endif\\n\\t\\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\\n\\t#else\\n\\t\\tfloat specularIntensityFactor = 1.0;\\n\\t\\tvec3 specularColorFactor = vec3( 1.0 );\\n\\t\\tmaterial.specularF90 = 1.0;\\n\\t#endif\\n\\tmaterial.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\\n#else\\n\\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\\n\\tmaterial.specularF90 = 1.0;\\n#endif\\n#ifdef USE_CLEARCOAT\\n\\tmaterial.clearcoat = clearcoat;\\n\\tmaterial.clearcoatRoughness = clearcoatRoughness;\\n\\tmaterial.clearcoatF0 = vec3( 0.04 );\\n\\tmaterial.clearcoatF90 = 1.0;\\n\\t#ifdef USE_CLEARCOATMAP\\n\\t\\tmaterial.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x;\\n\\t#endif\\n\\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\t\\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y;\\n\\t#endif\\n\\tmaterial.clearcoat = saturate( material.clearcoat );\\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\\n\\tmaterial.clearcoatRoughness += geometryRoughness;\\n\\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\\n#endif\\n#ifdef USE_DISPERSION\\n\\tmaterial.dispersion = dispersion;\\n#endif\\n#ifdef USE_IRIDESCENCE\\n\\tmaterial.iridescence = iridescence;\\n\\tmaterial.iridescenceIOR = iridescenceIOR;\\n\\t#ifdef USE_IRIDESCENCEMAP\\n\\t\\tmaterial.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r;\\n\\t#endif\\n\\t#ifdef USE_IRIDESCENCE_THICKNESSMAP\\n\\t\\tmaterial.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum;\\n\\t#else\\n\\t\\tmaterial.iridescenceThickness = iridescenceThicknessMaximum;\\n\\t#endif\\n#endif\\n#ifdef USE_SHEEN\\n\\tmaterial.sheenColor = sheenColor;\\n\\t#ifdef USE_SHEEN_COLORMAP\\n\\t\\tmaterial.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb;\\n\\t#endif\\n\\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\\n\\t#ifdef USE_SHEEN_ROUGHNESSMAP\\n\\t\\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a;\\n\\t#endif\\n#endif\\n#ifdef USE_ANISOTROPY\\n\\t#ifdef USE_ANISOTROPYMAP\\n\\t\\tmat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x );\\n\\t\\tvec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb;\\n\\t\\tvec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b;\\n\\t#else\\n\\t\\tvec2 anisotropyV = anisotropyVector;\\n\\t#endif\\n\\tmaterial.anisotropy = length( anisotropyV );\\n\\tif( material.anisotropy == 0.0 ) {\\n\\t\\tanisotropyV = vec2( 1.0, 0.0 );\\n\\t} else {\\n\\t\\tanisotropyV /= material.anisotropy;\\n\\t\\tmaterial.anisotropy = saturate( material.anisotropy );\\n\\t}\\n\\tmaterial.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) );\\n\\tmaterial.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y;\\n\\tmaterial.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y;\\n#endif\";\n\nvar lights_physical_pars_fragment = \"struct PhysicalMaterial {\\n\\tvec3 diffuseColor;\\n\\tfloat roughness;\\n\\tvec3 specularColor;\\n\\tfloat specularF90;\\n\\tfloat dispersion;\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat clearcoat;\\n\\t\\tfloat clearcoatRoughness;\\n\\t\\tvec3 clearcoatF0;\\n\\t\\tfloat clearcoatF90;\\n\\t#endif\\n\\t#ifdef USE_IRIDESCENCE\\n\\t\\tfloat iridescence;\\n\\t\\tfloat iridescenceIOR;\\n\\t\\tfloat iridescenceThickness;\\n\\t\\tvec3 iridescenceFresnel;\\n\\t\\tvec3 iridescenceF0;\\n\\t#endif\\n\\t#ifdef USE_SHEEN\\n\\t\\tvec3 sheenColor;\\n\\t\\tfloat sheenRoughness;\\n\\t#endif\\n\\t#ifdef IOR\\n\\t\\tfloat ior;\\n\\t#endif\\n\\t#ifdef USE_TRANSMISSION\\n\\t\\tfloat transmission;\\n\\t\\tfloat transmissionAlpha;\\n\\t\\tfloat thickness;\\n\\t\\tfloat attenuationDistance;\\n\\t\\tvec3 attenuationColor;\\n\\t#endif\\n\\t#ifdef USE_ANISOTROPY\\n\\t\\tfloat anisotropy;\\n\\t\\tfloat alphaT;\\n\\t\\tvec3 anisotropyT;\\n\\t\\tvec3 anisotropyB;\\n\\t#endif\\n};\\nvec3 clearcoatSpecularDirect = vec3( 0.0 );\\nvec3 clearcoatSpecularIndirect = vec3( 0.0 );\\nvec3 sheenSpecularDirect = vec3( 0.0 );\\nvec3 sheenSpecularIndirect = vec3(0.0 );\\nvec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {\\n float x = clamp( 1.0 - dotVH, 0.0, 1.0 );\\n float x2 = x * x;\\n float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\\n return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\\n}\\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\treturn 0.5 / max( gv + gl, EPSILON );\\n}\\nfloat D_GGX( const in float alpha, const in float dotNH ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\\n\\treturn RECIPROCAL_PI * a2 / pow2( denom );\\n}\\n#ifdef USE_ANISOTROPY\\n\\tfloat V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) {\\n\\t\\tfloat gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) );\\n\\t\\tfloat gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );\\n\\t\\tfloat v = 0.5 / ( gv + gl );\\n\\t\\treturn saturate(v);\\n\\t}\\n\\tfloat D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {\\n\\t\\tfloat a2 = alphaT * alphaB;\\n\\t\\thighp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );\\n\\t\\thighp float v2 = dot( v, v );\\n\\t\\tfloat w2 = a2 / v2;\\n\\t\\treturn RECIPROCAL_PI * a2 * pow2 ( w2 );\\n\\t}\\n#endif\\n#ifdef USE_CLEARCOAT\\n\\tvec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {\\n\\t\\tvec3 f0 = material.clearcoatF0;\\n\\t\\tfloat f90 = material.clearcoatF90;\\n\\t\\tfloat roughness = material.clearcoatRoughness;\\n\\t\\tfloat alpha = pow2( roughness );\\n\\t\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\t\\tfloat dotNL = saturate( dot( normal, lightDir ) );\\n\\t\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\t\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\t\\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\\n\\t\\tvec3 F = F_Schlick( f0, f90, dotVH );\\n\\t\\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\\n\\t\\tfloat D = D_GGX( alpha, dotNH );\\n\\t\\treturn F * ( V * D );\\n\\t}\\n#endif\\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\\n\\tvec3 f0 = material.specularColor;\\n\\tfloat f90 = material.specularF90;\\n\\tfloat roughness = material.roughness;\\n\\tfloat alpha = pow2( roughness );\\n\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\tfloat dotNL = saturate( dot( normal, lightDir ) );\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\\n\\tvec3 F = F_Schlick( f0, f90, dotVH );\\n\\t#ifdef USE_IRIDESCENCE\\n\\t\\tF = mix( F, material.iridescenceFresnel, material.iridescence );\\n\\t#endif\\n\\t#ifdef USE_ANISOTROPY\\n\\t\\tfloat dotTL = dot( material.anisotropyT, lightDir );\\n\\t\\tfloat dotTV = dot( material.anisotropyT, viewDir );\\n\\t\\tfloat dotTH = dot( material.anisotropyT, halfDir );\\n\\t\\tfloat dotBL = dot( material.anisotropyB, lightDir );\\n\\t\\tfloat dotBV = dot( material.anisotropyB, viewDir );\\n\\t\\tfloat dotBH = dot( material.anisotropyB, halfDir );\\n\\t\\tfloat V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );\\n\\t\\tfloat D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );\\n\\t#else\\n\\t\\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\\n\\t\\tfloat D = D_GGX( alpha, dotNH );\\n\\t#endif\\n\\treturn F * ( V * D );\\n}\\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\\n\\tconst float LUT_SIZE = 64.0;\\n\\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\\n\\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\\n\\tfloat dotNV = saturate( dot( N, V ) );\\n\\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\\n\\tuv = uv * LUT_SCALE + LUT_BIAS;\\n\\treturn uv;\\n}\\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\\n\\tfloat l = length( f );\\n\\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\\n}\\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\\n\\tfloat x = dot( v1, v2 );\\n\\tfloat y = abs( x );\\n\\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\\n\\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\\n\\tfloat v = a / b;\\n\\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\\n\\treturn cross( v1, v2 ) * theta_sintheta;\\n}\\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\\n\\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\\n\\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\\n\\tvec3 lightNormal = cross( v1, v2 );\\n\\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\\n\\tvec3 T1, T2;\\n\\tT1 = normalize( V - N * dot( V, N ) );\\n\\tT2 = - cross( N, T1 );\\n\\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\\n\\tvec3 coords[ 4 ];\\n\\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\\n\\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\\n\\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\\n\\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\\n\\tcoords[ 0 ] = normalize( coords[ 0 ] );\\n\\tcoords[ 1 ] = normalize( coords[ 1 ] );\\n\\tcoords[ 2 ] = normalize( coords[ 2 ] );\\n\\tcoords[ 3 ] = normalize( coords[ 3 ] );\\n\\tvec3 vectorFormFactor = vec3( 0.0 );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\\n\\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\\n\\treturn vec3( result );\\n}\\n#if defined( USE_SHEEN )\\nfloat D_Charlie( float roughness, float dotNH ) {\\n\\tfloat alpha = pow2( roughness );\\n\\tfloat invAlpha = 1.0 / alpha;\\n\\tfloat cos2h = dotNH * dotNH;\\n\\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\\n\\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\\n}\\nfloat V_Neubelt( float dotNV, float dotNL ) {\\n\\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\\n}\\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\\n\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\tfloat dotNL = saturate( dot( normal, lightDir ) );\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat D = D_Charlie( sheenRoughness, dotNH );\\n\\tfloat V = V_Neubelt( dotNV, dotNL );\\n\\treturn sheenColor * ( D * V );\\n}\\n#endif\\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tfloat r2 = roughness * roughness;\\n\\tfloat a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\\n\\tfloat b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\\n\\tfloat DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\\n\\treturn saturate( DG * RECIPROCAL_PI );\\n}\\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\\n\\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\\n\\tvec4 r = roughness * c0 + c1;\\n\\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\\n\\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\\n\\treturn fab;\\n}\\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\\n\\tvec2 fab = DFGApprox( normal, viewDir, roughness );\\n\\treturn specularColor * fab.x + specularF90 * fab.y;\\n}\\n#ifdef USE_IRIDESCENCE\\nvoid computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\\n#else\\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\\n#endif\\n\\tvec2 fab = DFGApprox( normal, viewDir, roughness );\\n\\t#ifdef USE_IRIDESCENCE\\n\\t\\tvec3 Fr = mix( specularColor, iridescenceF0, iridescence );\\n\\t#else\\n\\t\\tvec3 Fr = specularColor;\\n\\t#endif\\n\\tvec3 FssEss = Fr * fab.x + specularF90 * fab.y;\\n\\tfloat Ess = fab.x + fab.y;\\n\\tfloat Ems = 1.0 - Ess;\\n\\tvec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;\\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\\n\\tsingleScatter += FssEss;\\n\\tmultiScatter += Fms * Ems;\\n}\\n#if NUM_RECT_AREA_LIGHTS > 0\\n\\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\t\\tvec3 normal = geometryNormal;\\n\\t\\tvec3 viewDir = geometryViewDir;\\n\\t\\tvec3 position = geometryPosition;\\n\\t\\tvec3 lightPos = rectAreaLight.position;\\n\\t\\tvec3 halfWidth = rectAreaLight.halfWidth;\\n\\t\\tvec3 halfHeight = rectAreaLight.halfHeight;\\n\\t\\tvec3 lightColor = rectAreaLight.color;\\n\\t\\tfloat roughness = material.roughness;\\n\\t\\tvec3 rectCoords[ 4 ];\\n\\t\\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\\t\\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\\n\\t\\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\\n\\t\\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\\n\\t\\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\\n\\t\\tvec4 t1 = texture2D( ltc_1, uv );\\n\\t\\tvec4 t2 = texture2D( ltc_2, uv );\\n\\t\\tmat3 mInv = mat3(\\n\\t\\t\\tvec3( t1.x, 0, t1.y ),\\n\\t\\t\\tvec3( 0, 1, 0 ),\\n\\t\\t\\tvec3( t1.z, 0, t1.w )\\n\\t\\t);\\n\\t\\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\\n\\t\\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\\n\\t\\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\\n\\t}\\n#endif\\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );\\n\\t\\tvec3 ccIrradiance = dotNLcc * directLight.color;\\n\\t\\tclearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );\\n\\t#endif\\n\\t#ifdef USE_SHEEN\\n\\t\\tsheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );\\n\\t#endif\\n\\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometryViewDir, geometryNormal, material );\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tclearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\\n\\t#endif\\n\\t#ifdef USE_SHEEN\\n\\t\\tsheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\\n\\t#endif\\n\\tvec3 singleScattering = vec3( 0.0 );\\n\\tvec3 multiScattering = vec3( 0.0 );\\n\\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\\n\\t#ifdef USE_IRIDESCENCE\\n\\t\\tcomputeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );\\n\\t#else\\n\\t\\tcomputeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\\n\\t#endif\\n\\tvec3 totalScattering = singleScattering + multiScattering;\\n\\tvec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );\\n\\treflectedLight.indirectSpecular += radiance * singleScattering;\\n\\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\\n\\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Physical\\n#define RE_Direct_RectArea\\t\\tRE_Direct_RectArea_Physical\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Physical\\n#define RE_IndirectSpecular\\t\\tRE_IndirectSpecular_Physical\\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\\n\\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\\n}\";\n\nvar lights_fragment_begin = \"\\nvec3 geometryPosition = - vViewPosition;\\nvec3 geometryNormal = normal;\\nvec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\\nvec3 geometryClearcoatNormal = vec3( 0.0 );\\n#ifdef USE_CLEARCOAT\\n\\tgeometryClearcoatNormal = clearcoatNormal;\\n#endif\\n#ifdef USE_IRIDESCENCE\\n\\tfloat dotNVi = saturate( dot( normal, geometryViewDir ) );\\n\\tif ( material.iridescenceThickness == 0.0 ) {\\n\\t\\tmaterial.iridescence = 0.0;\\n\\t} else {\\n\\t\\tmaterial.iridescence = saturate( material.iridescence );\\n\\t}\\n\\tif ( material.iridescence > 0.0 ) {\\n\\t\\tmaterial.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\\n\\t\\tmaterial.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\\n\\t}\\n#endif\\nIncidentLight directLight;\\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tPointLight pointLight;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\\n\\tPointLightShadow pointLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tgetPointLightInfo( pointLight, geometryPosition, directLight );\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\\n\\t\\tpointLightShadow = pointLightShadows[ i ];\\n\\t\\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowIntensity, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tSpotLight spotLight;\\n\\tvec4 spotColor;\\n\\tvec3 spotLightCoord;\\n\\tbool inSpotLightMap;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\\n\\tSpotLightShadow spotLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tgetSpotLightInfo( spotLight, geometryPosition, directLight );\\n\\t\\t#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\\n\\t\\t#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX\\n\\t\\t#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\\n\\t\\t#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS\\n\\t\\t#else\\n\\t\\t#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\\n\\t\\t#endif\\n\\t\\t#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )\\n\\t\\t\\tspotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;\\n\\t\\t\\tinSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );\\n\\t\\t\\tspotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );\\n\\t\\t\\tdirectLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;\\n\\t\\t#endif\\n\\t\\t#undef SPOT_LIGHT_MAP_INDEX\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\\n\\t\\tspotLightShadow = spotLightShadows[ i ];\\n\\t\\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowIntensity, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tDirectionalLight directionalLight;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\\n\\tDirectionalLightShadow directionalLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tgetDirectionalLightInfo( directionalLight, directLight );\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\\n\\t\\tdirectionalLightShadow = directionalLightShadows[ i ];\\n\\t\\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowIntensity, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\\n\\tRectAreaLight rectAreaLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\\n\\t\\trectAreaLight = rectAreaLights[ i ];\\n\\t\\tRE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if defined( RE_IndirectDiffuse )\\n\\tvec3 iblIrradiance = vec3( 0.0 );\\n\\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\\n\\t#if defined( USE_LIGHT_PROBES )\\n\\t\\tirradiance += getLightProbeIrradiance( lightProbe, geometryNormal );\\n\\t#endif\\n\\t#if ( NUM_HEMI_LIGHTS > 0 )\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\t\\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal );\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t#endif\\n#endif\\n#if defined( RE_IndirectSpecular )\\n\\tvec3 radiance = vec3( 0.0 );\\n\\tvec3 clearcoatRadiance = vec3( 0.0 );\\n#endif\";\n\nvar lights_fragment_maps = \"#if defined( RE_IndirectDiffuse )\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\\n\\t\\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\\n\\t\\tirradiance += lightMapIrradiance;\\n\\t#endif\\n\\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\tiblIrradiance += getIBLIrradiance( geometryNormal );\\n\\t#endif\\n#endif\\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\\n\\t#ifdef USE_ANISOTROPY\\n\\t\\tradiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy );\\n\\t#else\\n\\t\\tradiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness );\\n\\t#endif\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tclearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness );\\n\\t#endif\\n#endif\";\n\nvar lights_fragment_end = \"#if defined( RE_IndirectDiffuse )\\n\\tRE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\\n#endif\\n#if defined( RE_IndirectSpecular )\\n\\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\\n#endif\";\n\nvar logdepthbuf_fragment = \"#if defined( USE_LOGDEPTHBUF )\\n\\tgl_FragDepth = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\\n#endif\";\n\nvar logdepthbuf_pars_fragment = \"#if defined( USE_LOGDEPTHBUF )\\n\\tuniform float logDepthBufFC;\\n\\tvarying float vFragDepth;\\n\\tvarying float vIsPerspective;\\n#endif\";\n\nvar logdepthbuf_pars_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\tvarying float vFragDepth;\\n\\tvarying float vIsPerspective;\\n#endif\";\n\nvar logdepthbuf_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\tvFragDepth = 1.0 + gl_Position.w;\\n\\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\\n#endif\";\n\nvar map_fragment = \"#ifdef USE_MAP\\n\\tvec4 sampledDiffuseColor = texture2D( map, vMapUv );\\n\\t#ifdef DECODE_VIDEO_TEXTURE\\n\\t\\tsampledDiffuseColor = sRGBTransferEOTF( sampledDiffuseColor );\\n\\t#endif\\n\\tdiffuseColor *= sampledDiffuseColor;\\n#endif\";\n\nvar map_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\";\n\nvar map_particle_fragment = \"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\\n\\t#if defined( USE_POINTS_UV )\\n\\t\\tvec2 uv = vUv;\\n\\t#else\\n\\t\\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\\n\\t#endif\\n#endif\\n#ifdef USE_MAP\\n\\tdiffuseColor *= texture2D( map, uv );\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\\n#endif\";\n\nvar map_particle_pars_fragment = \"#if defined( USE_POINTS_UV )\\n\\tvarying vec2 vUv;\\n#else\\n\\t#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\\n\\t\\tuniform mat3 uvTransform;\\n\\t#endif\\n#endif\\n#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\";\n\nvar metalnessmap_fragment = \"float metalnessFactor = metalness;\\n#ifdef USE_METALNESSMAP\\n\\tvec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv );\\n\\tmetalnessFactor *= texelMetalness.b;\\n#endif\";\n\nvar metalnessmap_pars_fragment = \"#ifdef USE_METALNESSMAP\\n\\tuniform sampler2D metalnessMap;\\n#endif\";\n\nvar morphinstance_vertex = \"#ifdef USE_INSTANCING_MORPH\\n\\tfloat morphTargetInfluences[ MORPHTARGETS_COUNT ];\\n\\tfloat morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r;\\n\\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\\n\\t\\tmorphTargetInfluences[i] = texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r;\\n\\t}\\n#endif\";\n\nvar morphcolor_vertex = \"#if defined( USE_MORPHCOLORS )\\n\\tvColor *= morphTargetBaseInfluence;\\n\\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\\n\\t\\t#if defined( USE_COLOR_ALPHA )\\n\\t\\t\\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\\n\\t\\t#elif defined( USE_COLOR )\\n\\t\\t\\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\\n\\t\\t#endif\\n\\t}\\n#endif\";\n\nvar morphnormal_vertex = \"#ifdef USE_MORPHNORMALS\\n\\tobjectNormal *= morphTargetBaseInfluence;\\n\\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\\n\\t\\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\\n\\t}\\n#endif\";\n\nvar morphtarget_pars_vertex = \"#ifdef USE_MORPHTARGETS\\n\\t#ifndef USE_INSTANCING_MORPH\\n\\t\\tuniform float morphTargetBaseInfluence;\\n\\t\\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\\n\\t#endif\\n\\tuniform sampler2DArray morphTargetsTexture;\\n\\tuniform ivec2 morphTargetsTextureSize;\\n\\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\\n\\t\\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\\n\\t\\tint y = texelIndex / morphTargetsTextureSize.x;\\n\\t\\tint x = texelIndex - y * morphTargetsTextureSize.x;\\n\\t\\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\\n\\t\\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\\n\\t}\\n#endif\";\n\nvar morphtarget_vertex = \"#ifdef USE_MORPHTARGETS\\n\\ttransformed *= morphTargetBaseInfluence;\\n\\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\\n\\t\\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\\n\\t}\\n#endif\";\n\nvar normal_fragment_begin = \"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\\n#ifdef FLAT_SHADED\\n\\tvec3 fdx = dFdx( vViewPosition );\\n\\tvec3 fdy = dFdy( vViewPosition );\\n\\tvec3 normal = normalize( cross( fdx, fdy ) );\\n#else\\n\\tvec3 normal = normalize( vNormal );\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\tnormal *= faceDirection;\\n\\t#endif\\n#endif\\n#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY )\\n\\t#ifdef USE_TANGENT\\n\\t\\tmat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\\n\\t#else\\n\\t\\tmat3 tbn = getTangentFrame( - vViewPosition, normal,\\n\\t\\t#if defined( USE_NORMALMAP )\\n\\t\\t\\tvNormalMapUv\\n\\t\\t#elif defined( USE_CLEARCOAT_NORMALMAP )\\n\\t\\t\\tvClearcoatNormalMapUv\\n\\t\\t#else\\n\\t\\t\\tvUv\\n\\t\\t#endif\\n\\t\\t);\\n\\t#endif\\n\\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\\n\\t\\ttbn[0] *= faceDirection;\\n\\t\\ttbn[1] *= faceDirection;\\n\\t#endif\\n#endif\\n#ifdef USE_CLEARCOAT_NORMALMAP\\n\\t#ifdef USE_TANGENT\\n\\t\\tmat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\\n\\t#else\\n\\t\\tmat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv );\\n\\t#endif\\n\\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\\n\\t\\ttbn2[0] *= faceDirection;\\n\\t\\ttbn2[1] *= faceDirection;\\n\\t#endif\\n#endif\\nvec3 nonPerturbedNormal = normal;\";\n\nvar normal_fragment_maps = \"#ifdef USE_NORMALMAP_OBJECTSPACE\\n\\tnormal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\\n\\t#ifdef FLIP_SIDED\\n\\t\\tnormal = - normal;\\n\\t#endif\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\tnormal = normal * faceDirection;\\n\\t#endif\\n\\tnormal = normalize( normalMatrix * normal );\\n#elif defined( USE_NORMALMAP_TANGENTSPACE )\\n\\tvec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\\n\\tmapN.xy *= normalScale;\\n\\tnormal = normalize( tbn * mapN );\\n#elif defined( USE_BUMPMAP )\\n\\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\\n#endif\";\n\nvar normal_pars_fragment = \"#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\tvarying vec3 vTangent;\\n\\t\\tvarying vec3 vBitangent;\\n\\t#endif\\n#endif\";\n\nvar normal_pars_vertex = \"#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\tvarying vec3 vTangent;\\n\\t\\tvarying vec3 vBitangent;\\n\\t#endif\\n#endif\";\n\nvar normal_vertex = \"#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n\\t#ifdef USE_TANGENT\\n\\t\\tvTangent = normalize( transformedTangent );\\n\\t\\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\\n\\t#endif\\n#endif\";\n\nvar normalmap_pars_fragment = \"#ifdef USE_NORMALMAP\\n\\tuniform sampler2D normalMap;\\n\\tuniform vec2 normalScale;\\n#endif\\n#ifdef USE_NORMALMAP_OBJECTSPACE\\n\\tuniform mat3 normalMatrix;\\n#endif\\n#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) )\\n\\tmat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {\\n\\t\\tvec3 q0 = dFdx( eye_pos.xyz );\\n\\t\\tvec3 q1 = dFdy( eye_pos.xyz );\\n\\t\\tvec2 st0 = dFdx( uv.st );\\n\\t\\tvec2 st1 = dFdy( uv.st );\\n\\t\\tvec3 N = surf_norm;\\n\\t\\tvec3 q1perp = cross( q1, N );\\n\\t\\tvec3 q0perp = cross( N, q0 );\\n\\t\\tvec3 T = q1perp * st0.x + q0perp * st1.x;\\n\\t\\tvec3 B = q1perp * st0.y + q0perp * st1.y;\\n\\t\\tfloat det = max( dot( T, T ), dot( B, B ) );\\n\\t\\tfloat scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det );\\n\\t\\treturn mat3( T * scale, B * scale, N );\\n\\t}\\n#endif\";\n\nvar clearcoat_normal_fragment_begin = \"#ifdef USE_CLEARCOAT\\n\\tvec3 clearcoatNormal = nonPerturbedNormal;\\n#endif\";\n\nvar clearcoat_normal_fragment_maps = \"#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0;\\n\\tclearcoatMapN.xy *= clearcoatNormalScale;\\n\\tclearcoatNormal = normalize( tbn2 * clearcoatMapN );\\n#endif\";\n\nvar clearcoat_pars_fragment = \"#ifdef USE_CLEARCOATMAP\\n\\tuniform sampler2D clearcoatMap;\\n#endif\\n#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tuniform sampler2D clearcoatNormalMap;\\n\\tuniform vec2 clearcoatNormalScale;\\n#endif\\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\tuniform sampler2D clearcoatRoughnessMap;\\n#endif\";\n\nvar iridescence_pars_fragment = \"#ifdef USE_IRIDESCENCEMAP\\n\\tuniform sampler2D iridescenceMap;\\n#endif\\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\\n\\tuniform sampler2D iridescenceThicknessMap;\\n#endif\";\n\nvar opaque_fragment = \"#ifdef OPAQUE\\ndiffuseColor.a = 1.0;\\n#endif\\n#ifdef USE_TRANSMISSION\\ndiffuseColor.a *= material.transmissionAlpha;\\n#endif\\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );\";\n\nvar packing = \"vec3 packNormalToRGB( const in vec3 normal ) {\\n\\treturn normalize( normal ) * 0.5 + 0.5;\\n}\\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\\n\\treturn 2.0 * rgb.xyz - 1.0;\\n}\\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;const float ShiftRight8 = 1. / 256.;\\nconst float Inv255 = 1. / 255.;\\nconst vec4 PackFactors = vec4( 1.0, 256.0, 256.0 * 256.0, 256.0 * 256.0 * 256.0 );\\nconst vec2 UnpackFactors2 = vec2( UnpackDownscale, 1.0 / PackFactors.g );\\nconst vec3 UnpackFactors3 = vec3( UnpackDownscale / PackFactors.rg, 1.0 / PackFactors.b );\\nconst vec4 UnpackFactors4 = vec4( UnpackDownscale / PackFactors.rgb, 1.0 / PackFactors.a );\\nvec4 packDepthToRGBA( const in float v ) {\\n\\tif( v <= 0.0 )\\n\\t\\treturn vec4( 0., 0., 0., 0. );\\n\\tif( v >= 1.0 )\\n\\t\\treturn vec4( 1., 1., 1., 1. );\\n\\tfloat vuf;\\n\\tfloat af = modf( v * PackFactors.a, vuf );\\n\\tfloat bf = modf( vuf * ShiftRight8, vuf );\\n\\tfloat gf = modf( vuf * ShiftRight8, vuf );\\n\\treturn vec4( vuf * Inv255, gf * PackUpscale, bf * PackUpscale, af );\\n}\\nvec3 packDepthToRGB( const in float v ) {\\n\\tif( v <= 0.0 )\\n\\t\\treturn vec3( 0., 0., 0. );\\n\\tif( v >= 1.0 )\\n\\t\\treturn vec3( 1., 1., 1. );\\n\\tfloat vuf;\\n\\tfloat bf = modf( v * PackFactors.b, vuf );\\n\\tfloat gf = modf( vuf * ShiftRight8, vuf );\\n\\treturn vec3( vuf * Inv255, gf * PackUpscale, bf );\\n}\\nvec2 packDepthToRG( const in float v ) {\\n\\tif( v <= 0.0 )\\n\\t\\treturn vec2( 0., 0. );\\n\\tif( v >= 1.0 )\\n\\t\\treturn vec2( 1., 1. );\\n\\tfloat vuf;\\n\\tfloat gf = modf( v * 256., vuf );\\n\\treturn vec2( vuf * Inv255, gf );\\n}\\nfloat unpackRGBAToDepth( const in vec4 v ) {\\n\\treturn dot( v, UnpackFactors4 );\\n}\\nfloat unpackRGBToDepth( const in vec3 v ) {\\n\\treturn dot( v, UnpackFactors3 );\\n}\\nfloat unpackRGToDepth( const in vec2 v ) {\\n\\treturn v.r * UnpackFactors2.r + v.g * UnpackFactors2.g;\\n}\\nvec4 pack2HalfToRGBA( const in vec2 v ) {\\n\\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\\n\\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\\n}\\nvec2 unpackRGBATo2Half( const in vec4 v ) {\\n\\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\\n}\\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\\n\\treturn ( viewZ + near ) / ( near - far );\\n}\\nfloat orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) {\\n\\treturn depth * ( near - far ) - near;\\n}\\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\\n\\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\\n}\\nfloat perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) {\\n\\treturn ( near * far ) / ( ( far - near ) * depth - far );\\n}\";\n\nvar premultiplied_alpha_fragment = \"#ifdef PREMULTIPLIED_ALPHA\\n\\tgl_FragColor.rgb *= gl_FragColor.a;\\n#endif\";\n\nvar project_vertex = \"vec4 mvPosition = vec4( transformed, 1.0 );\\n#ifdef USE_BATCHING\\n\\tmvPosition = batchingMatrix * mvPosition;\\n#endif\\n#ifdef USE_INSTANCING\\n\\tmvPosition = instanceMatrix * mvPosition;\\n#endif\\nmvPosition = modelViewMatrix * mvPosition;\\ngl_Position = projectionMatrix * mvPosition;\";\n\nvar dithering_fragment = \"#ifdef DITHERING\\n\\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\\n#endif\";\n\nvar dithering_pars_fragment = \"#ifdef DITHERING\\n\\tvec3 dithering( vec3 color ) {\\n\\t\\tfloat grid_position = rand( gl_FragCoord.xy );\\n\\t\\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\\n\\t\\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\\n\\t\\treturn color + dither_shift_RGB;\\n\\t}\\n#endif\";\n\nvar roughnessmap_fragment = \"float roughnessFactor = roughness;\\n#ifdef USE_ROUGHNESSMAP\\n\\tvec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv );\\n\\troughnessFactor *= texelRoughness.g;\\n#endif\";\n\nvar roughnessmap_pars_fragment = \"#ifdef USE_ROUGHNESSMAP\\n\\tuniform sampler2D roughnessMap;\\n#endif\";\n\nvar shadowmap_pars_fragment = \"#if NUM_SPOT_LIGHT_COORDS > 0\\n\\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\\n#endif\\n#if NUM_SPOT_LIGHT_MAPS > 0\\n\\tuniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];\\n#endif\\n#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tstruct DirectionalLightShadow {\\n\\t\\t\\tfloat shadowIntensity;\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tstruct SpotLightShadow {\\n\\t\\t\\tfloat shadowIntensity;\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tstruct PointLightShadow {\\n\\t\\t\\tfloat shadowIntensity;\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t\\tfloat shadowCameraNear;\\n\\t\\t\\tfloat shadowCameraFar;\\n\\t\\t};\\n\\t\\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\\n\\t\\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\\n\\t}\\n\\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\\n\\t\\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\\n\\t}\\n\\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\\n\\t\\tfloat occlusion = 1.0;\\n\\t\\tvec2 distribution = texture2DDistribution( shadow, uv );\\n\\t\\tfloat hard_shadow = step( compare , distribution.x );\\n\\t\\tif (hard_shadow != 1.0 ) {\\n\\t\\t\\tfloat distance = compare - distribution.x ;\\n\\t\\t\\tfloat variance = max( 0.00000, distribution.y * distribution.y );\\n\\t\\t\\tfloat softness_probability = variance / (variance + distance * distance );\\t\\t\\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\\t\\t\\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\\n\\t\\t}\\n\\t\\treturn occlusion;\\n\\t}\\n\\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tfloat shadow = 1.0;\\n\\t\\tshadowCoord.xyz /= shadowCoord.w;\\n\\t\\tshadowCoord.z += shadowBias;\\n\\t\\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\\n\\t\\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\\n\\t\\tif ( frustumTest ) {\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx2 = dx0 / 2.0;\\n\\t\\t\\tfloat dy2 = dy0 / 2.0;\\n\\t\\t\\tfloat dx3 = dx1 / 2.0;\\n\\t\\t\\tfloat dy3 = dy1 / 2.0;\\n\\t\\t\\tshadow = (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 17.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx = texelSize.x;\\n\\t\\t\\tfloat dy = texelSize.y;\\n\\t\\t\\tvec2 uv = shadowCoord.xy;\\n\\t\\t\\tvec2 f = fract( uv * shadowMapSize + 0.5 );\\n\\t\\t\\tuv -= f * texelSize;\\n\\t\\t\\tshadow = (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.x ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.x ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.y ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.y ) +\\n\\t\\t\\t\\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t f.x ),\\n\\t\\t\\t\\t\\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t f.x ),\\n\\t\\t\\t\\t\\t f.y )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_VSM )\\n\\t\\t\\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#else\\n\\t\\t\\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#endif\\n\\t\\t}\\n\\t\\treturn mix( 1.0, shadow, shadowIntensity );\\n\\t}\\n\\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\\n\\t\\tvec3 absV = abs( v );\\n\\t\\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\\n\\t\\tabsV *= scaleToCube;\\n\\t\\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\\n\\t\\tvec2 planar = v.xy;\\n\\t\\tfloat almostATexel = 1.5 * texelSizeY;\\n\\t\\tfloat almostOne = 1.0 - almostATexel;\\n\\t\\tif ( absV.z >= almostOne ) {\\n\\t\\t\\tif ( v.z > 0.0 )\\n\\t\\t\\t\\tplanar.x = 4.0 - v.x;\\n\\t\\t} else if ( absV.x >= almostOne ) {\\n\\t\\t\\tfloat signX = sign( v.x );\\n\\t\\t\\tplanar.x = v.z * signX + 2.0 * signX;\\n\\t\\t} else if ( absV.y >= almostOne ) {\\n\\t\\t\\tfloat signY = sign( v.y );\\n\\t\\t\\tplanar.x = v.x + 2.0 * signY + 2.0;\\n\\t\\t\\tplanar.y = v.z * signY - 2.0;\\n\\t\\t}\\n\\t\\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\\n\\t}\\n\\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\\n\\t\\tfloat shadow = 1.0;\\n\\t\\tvec3 lightToPosition = shadowCoord.xyz;\\n\\t\\t\\n\\t\\tfloat lightToPositionLength = length( lightToPosition );\\n\\t\\tif ( lightToPositionLength - shadowCameraFar <= 0.0 && lightToPositionLength - shadowCameraNear >= 0.0 ) {\\n\\t\\t\\tfloat dp = ( lightToPositionLength - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\\t\\t\\tdp += shadowBias;\\n\\t\\t\\tvec3 bd3D = normalize( lightToPosition );\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\\n\\t\\t\\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\\n\\t\\t\\t\\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\\n\\t\\t\\t\\tshadow = (\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\\n\\t\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tshadow = texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\\n\\t\\t\\t#endif\\n\\t\\t}\\n\\t\\treturn mix( 1.0, shadow, shadowIntensity );\\n\\t}\\n#endif\";\n\nvar shadowmap_pars_vertex = \"#if NUM_SPOT_LIGHT_COORDS > 0\\n\\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\\n\\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\\n#endif\\n#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t\\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tstruct DirectionalLightShadow {\\n\\t\\t\\tfloat shadowIntensity;\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\t\\tstruct SpotLightShadow {\\n\\t\\t\\tfloat shadowIntensity;\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tstruct PointLightShadow {\\n\\t\\t\\tfloat shadowIntensity;\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t\\tfloat shadowCameraNear;\\n\\t\\t\\tfloat shadowCameraFar;\\n\\t\\t};\\n\\t\\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t#endif\\n#endif\";\n\nvar shadowmap_vertex = \"#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )\\n\\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\tvec4 shadowWorldPosition;\\n#endif\\n#if defined( USE_SHADOWMAP )\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\\n\\t\\t\\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\\n\\t\\t\\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\t\\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\\n\\t\\t\\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t#endif\\n#endif\\n#if NUM_SPOT_LIGHT_COORDS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {\\n\\t\\tshadowWorldPosition = worldPosition;\\n\\t\\t#if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\\n\\t\\t\\tshadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;\\n\\t\\t#endif\\n\\t\\tvSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\";\n\nvar shadowmask_pars_fragment = \"float getShadowMask() {\\n\\tfloat shadow = 1.0;\\n\\t#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\tDirectionalLightShadow directionalLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowIntensity, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\tSpotLightShadow spotLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tspotLight = spotLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowIntensity, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\tPointLightShadow pointLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tpointLight = pointLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowIntensity, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#endif\\n\\treturn shadow;\\n}\";\n\nvar skinbase_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\\n\\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\\n\\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\\n\\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\\n#endif\";\n\nvar skinning_pars_vertex = \"#ifdef USE_SKINNING\\n\\tuniform mat4 bindMatrix;\\n\\tuniform mat4 bindMatrixInverse;\\n\\tuniform highp sampler2D boneTexture;\\n\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\tint size = textureSize( boneTexture, 0 ).x;\\n\\t\\tint j = int( i ) * 4;\\n\\t\\tint x = j % size;\\n\\t\\tint y = j / size;\\n\\t\\tvec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 );\\n\\t\\tvec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 );\\n\\t\\tvec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 );\\n\\t\\tvec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 );\\n\\t\\treturn mat4( v1, v2, v3, v4 );\\n\\t}\\n#endif\";\n\nvar skinning_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\\n\\tvec4 skinned = vec4( 0.0 );\\n\\tskinned += boneMatX * skinVertex * skinWeight.x;\\n\\tskinned += boneMatY * skinVertex * skinWeight.y;\\n\\tskinned += boneMatZ * skinVertex * skinWeight.z;\\n\\tskinned += boneMatW * skinVertex * skinWeight.w;\\n\\ttransformed = ( bindMatrixInverse * skinned ).xyz;\\n#endif\";\n\nvar skinnormal_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 skinMatrix = mat4( 0.0 );\\n\\tskinMatrix += skinWeight.x * boneMatX;\\n\\tskinMatrix += skinWeight.y * boneMatY;\\n\\tskinMatrix += skinWeight.z * boneMatZ;\\n\\tskinMatrix += skinWeight.w * boneMatW;\\n\\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\\n\\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\\n\\t#ifdef USE_TANGENT\\n\\t\\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\\n\\t#endif\\n#endif\";\n\nvar specularmap_fragment = \"float specularStrength;\\n#ifdef USE_SPECULARMAP\\n\\tvec4 texelSpecular = texture2D( specularMap, vSpecularMapUv );\\n\\tspecularStrength = texelSpecular.r;\\n#else\\n\\tspecularStrength = 1.0;\\n#endif\";\n\nvar specularmap_pars_fragment = \"#ifdef USE_SPECULARMAP\\n\\tuniform sampler2D specularMap;\\n#endif\";\n\nvar tonemapping_fragment = \"#if defined( TONE_MAPPING )\\n\\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\\n#endif\";\n\nvar tonemapping_pars_fragment = \"#ifndef saturate\\n#define saturate( a ) clamp( a, 0.0, 1.0 )\\n#endif\\nuniform float toneMappingExposure;\\nvec3 LinearToneMapping( vec3 color ) {\\n\\treturn saturate( toneMappingExposure * color );\\n}\\nvec3 ReinhardToneMapping( vec3 color ) {\\n\\tcolor *= toneMappingExposure;\\n\\treturn saturate( color / ( vec3( 1.0 ) + color ) );\\n}\\nvec3 CineonToneMapping( vec3 color ) {\\n\\tcolor *= toneMappingExposure;\\n\\tcolor = max( vec3( 0.0 ), color - 0.004 );\\n\\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\\n}\\nvec3 RRTAndODTFit( vec3 v ) {\\n\\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\\n\\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\\n\\treturn a / b;\\n}\\nvec3 ACESFilmicToneMapping( vec3 color ) {\\n\\tconst mat3 ACESInputMat = mat3(\\n\\t\\tvec3( 0.59719, 0.07600, 0.02840 ),\\t\\tvec3( 0.35458, 0.90834, 0.13383 ),\\n\\t\\tvec3( 0.04823, 0.01566, 0.83777 )\\n\\t);\\n\\tconst mat3 ACESOutputMat = mat3(\\n\\t\\tvec3( 1.60475, -0.10208, -0.00327 ),\\t\\tvec3( -0.53108, 1.10813, -0.07276 ),\\n\\t\\tvec3( -0.07367, -0.00605, 1.07602 )\\n\\t);\\n\\tcolor *= toneMappingExposure / 0.6;\\n\\tcolor = ACESInputMat * color;\\n\\tcolor = RRTAndODTFit( color );\\n\\tcolor = ACESOutputMat * color;\\n\\treturn saturate( color );\\n}\\nconst mat3 LINEAR_REC2020_TO_LINEAR_SRGB = mat3(\\n\\tvec3( 1.6605, - 0.1246, - 0.0182 ),\\n\\tvec3( - 0.5876, 1.1329, - 0.1006 ),\\n\\tvec3( - 0.0728, - 0.0083, 1.1187 )\\n);\\nconst mat3 LINEAR_SRGB_TO_LINEAR_REC2020 = mat3(\\n\\tvec3( 0.6274, 0.0691, 0.0164 ),\\n\\tvec3( 0.3293, 0.9195, 0.0880 ),\\n\\tvec3( 0.0433, 0.0113, 0.8956 )\\n);\\nvec3 agxDefaultContrastApprox( vec3 x ) {\\n\\tvec3 x2 = x * x;\\n\\tvec3 x4 = x2 * x2;\\n\\treturn + 15.5 * x4 * x2\\n\\t\\t- 40.14 * x4 * x\\n\\t\\t+ 31.96 * x4\\n\\t\\t- 6.868 * x2 * x\\n\\t\\t+ 0.4298 * x2\\n\\t\\t+ 0.1191 * x\\n\\t\\t- 0.00232;\\n}\\nvec3 AgXToneMapping( vec3 color ) {\\n\\tconst mat3 AgXInsetMatrix = mat3(\\n\\t\\tvec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ),\\n\\t\\tvec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ),\\n\\t\\tvec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 )\\n\\t);\\n\\tconst mat3 AgXOutsetMatrix = mat3(\\n\\t\\tvec3( 1.1271005818144368, - 0.1413297634984383, - 0.14132976349843826 ),\\n\\t\\tvec3( - 0.11060664309660323, 1.157823702216272, - 0.11060664309660294 ),\\n\\t\\tvec3( - 0.016493938717834573, - 0.016493938717834257, 1.2519364065950405 )\\n\\t);\\n\\tconst float AgxMinEv = - 12.47393;\\tconst float AgxMaxEv = 4.026069;\\n\\tcolor *= toneMappingExposure;\\n\\tcolor = LINEAR_SRGB_TO_LINEAR_REC2020 * color;\\n\\tcolor = AgXInsetMatrix * color;\\n\\tcolor = max( color, 1e-10 );\\tcolor = log2( color );\\n\\tcolor = ( color - AgxMinEv ) / ( AgxMaxEv - AgxMinEv );\\n\\tcolor = clamp( color, 0.0, 1.0 );\\n\\tcolor = agxDefaultContrastApprox( color );\\n\\tcolor = AgXOutsetMatrix * color;\\n\\tcolor = pow( max( vec3( 0.0 ), color ), vec3( 2.2 ) );\\n\\tcolor = LINEAR_REC2020_TO_LINEAR_SRGB * color;\\n\\tcolor = clamp( color, 0.0, 1.0 );\\n\\treturn color;\\n}\\nvec3 NeutralToneMapping( vec3 color ) {\\n\\tconst float StartCompression = 0.8 - 0.04;\\n\\tconst float Desaturation = 0.15;\\n\\tcolor *= toneMappingExposure;\\n\\tfloat x = min( color.r, min( color.g, color.b ) );\\n\\tfloat offset = x < 0.08 ? x - 6.25 * x * x : 0.04;\\n\\tcolor -= offset;\\n\\tfloat peak = max( color.r, max( color.g, color.b ) );\\n\\tif ( peak < StartCompression ) return color;\\n\\tfloat d = 1. - StartCompression;\\n\\tfloat newPeak = 1. - d * d / ( peak + d - StartCompression );\\n\\tcolor *= newPeak / peak;\\n\\tfloat g = 1. - 1. / ( Desaturation * ( peak - newPeak ) + 1. );\\n\\treturn mix( color, vec3( newPeak ), g );\\n}\\nvec3 CustomToneMapping( vec3 color ) { return color; }\";\n\nvar transmission_fragment = \"#ifdef USE_TRANSMISSION\\n\\tmaterial.transmission = transmission;\\n\\tmaterial.transmissionAlpha = 1.0;\\n\\tmaterial.thickness = thickness;\\n\\tmaterial.attenuationDistance = attenuationDistance;\\n\\tmaterial.attenuationColor = attenuationColor;\\n\\t#ifdef USE_TRANSMISSIONMAP\\n\\t\\tmaterial.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r;\\n\\t#endif\\n\\t#ifdef USE_THICKNESSMAP\\n\\t\\tmaterial.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g;\\n\\t#endif\\n\\tvec3 pos = vWorldPosition;\\n\\tvec3 v = normalize( cameraPosition - pos );\\n\\tvec3 n = inverseTransformDirection( normal, viewMatrix );\\n\\tvec4 transmitted = getIBLVolumeRefraction(\\n\\t\\tn, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90,\\n\\t\\tpos, modelMatrix, viewMatrix, projectionMatrix, material.dispersion, material.ior, material.thickness,\\n\\t\\tmaterial.attenuationColor, material.attenuationDistance );\\n\\tmaterial.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission );\\n\\ttotalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission );\\n#endif\";\n\nvar transmission_pars_fragment = \"#ifdef USE_TRANSMISSION\\n\\tuniform float transmission;\\n\\tuniform float thickness;\\n\\tuniform float attenuationDistance;\\n\\tuniform vec3 attenuationColor;\\n\\t#ifdef USE_TRANSMISSIONMAP\\n\\t\\tuniform sampler2D transmissionMap;\\n\\t#endif\\n\\t#ifdef USE_THICKNESSMAP\\n\\t\\tuniform sampler2D thicknessMap;\\n\\t#endif\\n\\tuniform vec2 transmissionSamplerSize;\\n\\tuniform sampler2D transmissionSamplerMap;\\n\\tuniform mat4 modelMatrix;\\n\\tuniform mat4 projectionMatrix;\\n\\tvarying vec3 vWorldPosition;\\n\\tfloat w0( float a ) {\\n\\t\\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 );\\n\\t}\\n\\tfloat w1( float a ) {\\n\\t\\treturn ( 1.0 / 6.0 ) * ( a * a * ( 3.0 * a - 6.0 ) + 4.0 );\\n\\t}\\n\\tfloat w2( float a ){\\n\\t\\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 );\\n\\t}\\n\\tfloat w3( float a ) {\\n\\t\\treturn ( 1.0 / 6.0 ) * ( a * a * a );\\n\\t}\\n\\tfloat g0( float a ) {\\n\\t\\treturn w0( a ) + w1( a );\\n\\t}\\n\\tfloat g1( float a ) {\\n\\t\\treturn w2( a ) + w3( a );\\n\\t}\\n\\tfloat h0( float a ) {\\n\\t\\treturn - 1.0 + w1( a ) / ( w0( a ) + w1( a ) );\\n\\t}\\n\\tfloat h1( float a ) {\\n\\t\\treturn 1.0 + w3( a ) / ( w2( a ) + w3( a ) );\\n\\t}\\n\\tvec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) {\\n\\t\\tuv = uv * texelSize.zw + 0.5;\\n\\t\\tvec2 iuv = floor( uv );\\n\\t\\tvec2 fuv = fract( uv );\\n\\t\\tfloat g0x = g0( fuv.x );\\n\\t\\tfloat g1x = g1( fuv.x );\\n\\t\\tfloat h0x = h0( fuv.x );\\n\\t\\tfloat h1x = h1( fuv.x );\\n\\t\\tfloat h0y = h0( fuv.y );\\n\\t\\tfloat h1y = h1( fuv.y );\\n\\t\\tvec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\\n\\t\\tvec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\\n\\t\\tvec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\\n\\t\\tvec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\\n\\t\\treturn g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) +\\n\\t\\t\\tg1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) );\\n\\t}\\n\\tvec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) {\\n\\t\\tvec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) );\\n\\t\\tvec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) );\\n\\t\\tvec2 fLodSizeInv = 1.0 / fLodSize;\\n\\t\\tvec2 cLodSizeInv = 1.0 / cLodSize;\\n\\t\\tvec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) );\\n\\t\\tvec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) );\\n\\t\\treturn mix( fSample, cSample, fract( lod ) );\\n\\t}\\n\\tvec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\\n\\t\\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\\n\\t\\tvec3 modelScale;\\n\\t\\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\\n\\t\\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\\n\\t\\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\\n\\t\\treturn normalize( refractionVector ) * thickness * modelScale;\\n\\t}\\n\\tfloat applyIorToRoughness( const in float roughness, const in float ior ) {\\n\\t\\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\\n\\t}\\n\\tvec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\\n\\t\\tfloat lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\\n\\t\\treturn textureBicubic( transmissionSamplerMap, fragCoord.xy, lod );\\n\\t}\\n\\tvec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\\n\\t\\tif ( isinf( attenuationDistance ) ) {\\n\\t\\t\\treturn vec3( 1.0 );\\n\\t\\t} else {\\n\\t\\t\\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\\n\\t\\t\\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\\t\\t\\treturn transmittance;\\n\\t\\t}\\n\\t}\\n\\tvec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\\n\\t\\tconst in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\\n\\t\\tconst in mat4 viewMatrix, const in mat4 projMatrix, const in float dispersion, const in float ior, const in float thickness,\\n\\t\\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\\n\\t\\tvec4 transmittedLight;\\n\\t\\tvec3 transmittance;\\n\\t\\t#ifdef USE_DISPERSION\\n\\t\\t\\tfloat halfSpread = ( ior - 1.0 ) * 0.025 * dispersion;\\n\\t\\t\\tvec3 iors = vec3( ior - halfSpread, ior, ior + halfSpread );\\n\\t\\t\\tfor ( int i = 0; i < 3; i ++ ) {\\n\\t\\t\\t\\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, iors[ i ], modelMatrix );\\n\\t\\t\\t\\tvec3 refractedRayExit = position + transmissionRay;\\n\\t\\t\\t\\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\\n\\t\\t\\t\\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\\n\\t\\t\\t\\trefractionCoords += 1.0;\\n\\t\\t\\t\\trefractionCoords /= 2.0;\\n\\t\\t\\t\\tvec4 transmissionSample = getTransmissionSample( refractionCoords, roughness, iors[ i ] );\\n\\t\\t\\t\\ttransmittedLight[ i ] = transmissionSample[ i ];\\n\\t\\t\\t\\ttransmittedLight.a += transmissionSample.a;\\n\\t\\t\\t\\ttransmittance[ i ] = diffuseColor[ i ] * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance )[ i ];\\n\\t\\t\\t}\\n\\t\\t\\ttransmittedLight.a /= 3.0;\\n\\t\\t#else\\n\\t\\t\\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\\n\\t\\t\\tvec3 refractedRayExit = position + transmissionRay;\\n\\t\\t\\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\\n\\t\\t\\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\\n\\t\\t\\trefractionCoords += 1.0;\\n\\t\\t\\trefractionCoords /= 2.0;\\n\\t\\t\\ttransmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\\n\\t\\t\\ttransmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );\\n\\t\\t#endif\\n\\t\\tvec3 attenuatedColor = transmittance * transmittedLight.rgb;\\n\\t\\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\\n\\t\\tfloat transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0;\\n\\t\\treturn vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor );\\n\\t}\\n#endif\";\n\nvar uv_pars_fragment = \"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\\n\\tvarying vec2 vUv;\\n#endif\\n#ifdef USE_MAP\\n\\tvarying vec2 vMapUv;\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tvarying vec2 vAlphaMapUv;\\n#endif\\n#ifdef USE_LIGHTMAP\\n\\tvarying vec2 vLightMapUv;\\n#endif\\n#ifdef USE_AOMAP\\n\\tvarying vec2 vAoMapUv;\\n#endif\\n#ifdef USE_BUMPMAP\\n\\tvarying vec2 vBumpMapUv;\\n#endif\\n#ifdef USE_NORMALMAP\\n\\tvarying vec2 vNormalMapUv;\\n#endif\\n#ifdef USE_EMISSIVEMAP\\n\\tvarying vec2 vEmissiveMapUv;\\n#endif\\n#ifdef USE_METALNESSMAP\\n\\tvarying vec2 vMetalnessMapUv;\\n#endif\\n#ifdef USE_ROUGHNESSMAP\\n\\tvarying vec2 vRoughnessMapUv;\\n#endif\\n#ifdef USE_ANISOTROPYMAP\\n\\tvarying vec2 vAnisotropyMapUv;\\n#endif\\n#ifdef USE_CLEARCOATMAP\\n\\tvarying vec2 vClearcoatMapUv;\\n#endif\\n#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tvarying vec2 vClearcoatNormalMapUv;\\n#endif\\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\tvarying vec2 vClearcoatRoughnessMapUv;\\n#endif\\n#ifdef USE_IRIDESCENCEMAP\\n\\tvarying vec2 vIridescenceMapUv;\\n#endif\\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\\n\\tvarying vec2 vIridescenceThicknessMapUv;\\n#endif\\n#ifdef USE_SHEEN_COLORMAP\\n\\tvarying vec2 vSheenColorMapUv;\\n#endif\\n#ifdef USE_SHEEN_ROUGHNESSMAP\\n\\tvarying vec2 vSheenRoughnessMapUv;\\n#endif\\n#ifdef USE_SPECULARMAP\\n\\tvarying vec2 vSpecularMapUv;\\n#endif\\n#ifdef USE_SPECULAR_COLORMAP\\n\\tvarying vec2 vSpecularColorMapUv;\\n#endif\\n#ifdef USE_SPECULAR_INTENSITYMAP\\n\\tvarying vec2 vSpecularIntensityMapUv;\\n#endif\\n#ifdef USE_TRANSMISSIONMAP\\n\\tuniform mat3 transmissionMapTransform;\\n\\tvarying vec2 vTransmissionMapUv;\\n#endif\\n#ifdef USE_THICKNESSMAP\\n\\tuniform mat3 thicknessMapTransform;\\n\\tvarying vec2 vThicknessMapUv;\\n#endif\";\n\nvar uv_pars_vertex = \"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\\n\\tvarying vec2 vUv;\\n#endif\\n#ifdef USE_MAP\\n\\tuniform mat3 mapTransform;\\n\\tvarying vec2 vMapUv;\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tuniform mat3 alphaMapTransform;\\n\\tvarying vec2 vAlphaMapUv;\\n#endif\\n#ifdef USE_LIGHTMAP\\n\\tuniform mat3 lightMapTransform;\\n\\tvarying vec2 vLightMapUv;\\n#endif\\n#ifdef USE_AOMAP\\n\\tuniform mat3 aoMapTransform;\\n\\tvarying vec2 vAoMapUv;\\n#endif\\n#ifdef USE_BUMPMAP\\n\\tuniform mat3 bumpMapTransform;\\n\\tvarying vec2 vBumpMapUv;\\n#endif\\n#ifdef USE_NORMALMAP\\n\\tuniform mat3 normalMapTransform;\\n\\tvarying vec2 vNormalMapUv;\\n#endif\\n#ifdef USE_DISPLACEMENTMAP\\n\\tuniform mat3 displacementMapTransform;\\n\\tvarying vec2 vDisplacementMapUv;\\n#endif\\n#ifdef USE_EMISSIVEMAP\\n\\tuniform mat3 emissiveMapTransform;\\n\\tvarying vec2 vEmissiveMapUv;\\n#endif\\n#ifdef USE_METALNESSMAP\\n\\tuniform mat3 metalnessMapTransform;\\n\\tvarying vec2 vMetalnessMapUv;\\n#endif\\n#ifdef USE_ROUGHNESSMAP\\n\\tuniform mat3 roughnessMapTransform;\\n\\tvarying vec2 vRoughnessMapUv;\\n#endif\\n#ifdef USE_ANISOTROPYMAP\\n\\tuniform mat3 anisotropyMapTransform;\\n\\tvarying vec2 vAnisotropyMapUv;\\n#endif\\n#ifdef USE_CLEARCOATMAP\\n\\tuniform mat3 clearcoatMapTransform;\\n\\tvarying vec2 vClearcoatMapUv;\\n#endif\\n#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tuniform mat3 clearcoatNormalMapTransform;\\n\\tvarying vec2 vClearcoatNormalMapUv;\\n#endif\\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\tuniform mat3 clearcoatRoughnessMapTransform;\\n\\tvarying vec2 vClearcoatRoughnessMapUv;\\n#endif\\n#ifdef USE_SHEEN_COLORMAP\\n\\tuniform mat3 sheenColorMapTransform;\\n\\tvarying vec2 vSheenColorMapUv;\\n#endif\\n#ifdef USE_SHEEN_ROUGHNESSMAP\\n\\tuniform mat3 sheenRoughnessMapTransform;\\n\\tvarying vec2 vSheenRoughnessMapUv;\\n#endif\\n#ifdef USE_IRIDESCENCEMAP\\n\\tuniform mat3 iridescenceMapTransform;\\n\\tvarying vec2 vIridescenceMapUv;\\n#endif\\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\\n\\tuniform mat3 iridescenceThicknessMapTransform;\\n\\tvarying vec2 vIridescenceThicknessMapUv;\\n#endif\\n#ifdef USE_SPECULARMAP\\n\\tuniform mat3 specularMapTransform;\\n\\tvarying vec2 vSpecularMapUv;\\n#endif\\n#ifdef USE_SPECULAR_COLORMAP\\n\\tuniform mat3 specularColorMapTransform;\\n\\tvarying vec2 vSpecularColorMapUv;\\n#endif\\n#ifdef USE_SPECULAR_INTENSITYMAP\\n\\tuniform mat3 specularIntensityMapTransform;\\n\\tvarying vec2 vSpecularIntensityMapUv;\\n#endif\\n#ifdef USE_TRANSMISSIONMAP\\n\\tuniform mat3 transmissionMapTransform;\\n\\tvarying vec2 vTransmissionMapUv;\\n#endif\\n#ifdef USE_THICKNESSMAP\\n\\tuniform mat3 thicknessMapTransform;\\n\\tvarying vec2 vThicknessMapUv;\\n#endif\";\n\nvar uv_vertex = \"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\\n\\tvUv = vec3( uv, 1 ).xy;\\n#endif\\n#ifdef USE_MAP\\n\\tvMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tvAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_LIGHTMAP\\n\\tvLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_AOMAP\\n\\tvAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_BUMPMAP\\n\\tvBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_NORMALMAP\\n\\tvNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_DISPLACEMENTMAP\\n\\tvDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_EMISSIVEMAP\\n\\tvEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_METALNESSMAP\\n\\tvMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_ROUGHNESSMAP\\n\\tvRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_ANISOTROPYMAP\\n\\tvAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_CLEARCOATMAP\\n\\tvClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tvClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\tvClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_IRIDESCENCEMAP\\n\\tvIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\\n\\tvIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_SHEEN_COLORMAP\\n\\tvSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_SHEEN_ROUGHNESSMAP\\n\\tvSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_SPECULARMAP\\n\\tvSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_SPECULAR_COLORMAP\\n\\tvSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_SPECULAR_INTENSITYMAP\\n\\tvSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_TRANSMISSIONMAP\\n\\tvTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_THICKNESSMAP\\n\\tvThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy;\\n#endif\";\n\nvar worldpos_vertex = \"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0\\n\\tvec4 worldPosition = vec4( transformed, 1.0 );\\n\\t#ifdef USE_BATCHING\\n\\t\\tworldPosition = batchingMatrix * worldPosition;\\n\\t#endif\\n\\t#ifdef USE_INSTANCING\\n\\t\\tworldPosition = instanceMatrix * worldPosition;\\n\\t#endif\\n\\tworldPosition = modelMatrix * worldPosition;\\n#endif\";\n\nconst vertex$h = \"varying vec2 vUv;\\nuniform mat3 uvTransform;\\nvoid main() {\\n\\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\\n\\tgl_Position = vec4( position.xy, 1.0, 1.0 );\\n}\";\n\nconst fragment$h = \"uniform sampler2D t2D;\\nuniform float backgroundIntensity;\\nvarying vec2 vUv;\\nvoid main() {\\n\\tvec4 texColor = texture2D( t2D, vUv );\\n\\t#ifdef DECODE_VIDEO_TEXTURE\\n\\t\\ttexColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w );\\n\\t#endif\\n\\ttexColor.rgb *= backgroundIntensity;\\n\\tgl_FragColor = texColor;\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$g = \"varying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvWorldDirection = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n\\tgl_Position.z = gl_Position.w;\\n}\";\n\nconst fragment$g = \"#ifdef ENVMAP_TYPE_CUBE\\n\\tuniform samplerCube envMap;\\n#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\tuniform sampler2D envMap;\\n#endif\\nuniform float flipEnvMap;\\nuniform float backgroundBlurriness;\\nuniform float backgroundIntensity;\\nuniform mat3 backgroundRotation;\\nvarying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tvec4 texColor = textureCube( envMap, backgroundRotation * vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) );\\n\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\tvec4 texColor = textureCubeUV( envMap, backgroundRotation * vWorldDirection, backgroundBlurriness );\\n\\t#else\\n\\t\\tvec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );\\n\\t#endif\\n\\ttexColor.rgb *= backgroundIntensity;\\n\\tgl_FragColor = texColor;\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$f = \"varying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvWorldDirection = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n\\tgl_Position.z = gl_Position.w;\\n}\";\n\nconst fragment$f = \"uniform samplerCube tCube;\\nuniform float tFlip;\\nuniform float opacity;\\nvarying vec3 vWorldDirection;\\nvoid main() {\\n\\tvec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );\\n\\tgl_FragColor = texColor;\\n\\tgl_FragColor.a *= opacity;\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$e = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvarying vec2 vHighPrecisionZW;\\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef USE_DISPLACEMENTMAP\\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvHighPrecisionZW = gl_Position.zw;\\n}\";\n\nconst fragment$e = \"#if DEPTH_PACKING == 3200\\n\\tuniform float opacity;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvarying vec2 vHighPrecisionZW;\\nvoid main() {\\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#include \\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tdiffuseColor.a = opacity;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\\n\\t#elif DEPTH_PACKING == 3201\\n\\t\\tgl_FragColor = packDepthToRGBA( fragCoordZ );\\n\\t#elif DEPTH_PACKING == 3202\\n\\t\\tgl_FragColor = vec4( packDepthToRGB( fragCoordZ ), 1.0 );\\n\\t#elif DEPTH_PACKING == 3203\\n\\t\\tgl_FragColor = vec4( packDepthToRG( fragCoordZ ), 0.0, 1.0 );\\n\\t#endif\\n}\";\n\nconst vertex$d = \"#define DISTANCE\\nvarying vec3 vWorldPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef USE_DISPLACEMENTMAP\\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvWorldPosition = worldPosition.xyz;\\n}\";\n\nconst fragment$d = \"#define DISTANCE\\nuniform vec3 referencePosition;\\nuniform float nearDistance;\\nuniform float farDistance;\\nvarying vec3 vWorldPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main () {\\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tfloat dist = length( vWorldPosition - referencePosition );\\n\\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\\n\\tdist = saturate( dist );\\n\\tgl_FragColor = packDepthToRGBA( dist );\\n}\";\n\nconst vertex$c = \"varying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvWorldDirection = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$c = \"uniform sampler2D tEquirect;\\nvarying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvec3 direction = normalize( vWorldDirection );\\n\\tvec2 sampleUV = equirectUv( direction );\\n\\tgl_FragColor = texture2D( tEquirect, sampleUV );\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$b = \"uniform float scale;\\nattribute float lineDistance;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvLineDistance = scale * lineDistance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$b = \"uniform vec3 diffuse;\\nuniform float opacity;\\nuniform float dashSize;\\nuniform float totalSize;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\\n\\t\\tdiscard;\\n\\t}\\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$a = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$a = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\\n\\t\\treflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\\n\\t#else\\n\\t\\treflectedLight.indirectDiffuse += vec3( 1.0 );\\n\\t#endif\\n\\t#include \\n\\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\\n\\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$9 = \"#define LAMBERT\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$9 = \"#define LAMBERT\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$8 = \"#define MATCAP\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n}\";\n\nconst fragment$8 = \"#define MATCAP\\nuniform vec3 diffuse;\\nuniform float opacity;\\nuniform sampler2D matcap;\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 viewDir = normalize( vViewPosition );\\n\\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\\n\\tvec3 y = cross( viewDir, x );\\n\\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\\n\\t#ifdef USE_MATCAP\\n\\t\\tvec4 matcapColor = texture2D( matcap, uv );\\n\\t#else\\n\\t\\tvec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\\n\\t#endif\\n\\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$7 = \"#define NORMAL\\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\\n\\tvViewPosition = - mvPosition.xyz;\\n#endif\\n}\";\n\nconst fragment$7 = \"#define NORMAL\\nuniform float opacity;\\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( 0.0, 0.0, 0.0, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tgl_FragColor = vec4( packNormalToRGB( normal ), diffuseColor.a );\\n\\t#ifdef OPAQUE\\n\\t\\tgl_FragColor.a = 1.0;\\n\\t#endif\\n}\";\n\nconst vertex$6 = \"#define PHONG\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$6 = \"#define PHONG\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform vec3 specular;\\nuniform float shininess;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$5 = \"#define STANDARD\\nvarying vec3 vViewPosition;\\n#ifdef USE_TRANSMISSION\\n\\tvarying vec3 vWorldPosition;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n#ifdef USE_TRANSMISSION\\n\\tvWorldPosition = worldPosition.xyz;\\n#endif\\n}\";\n\nconst fragment$5 = \"#define STANDARD\\n#ifdef PHYSICAL\\n\\t#define IOR\\n\\t#define USE_SPECULAR\\n#endif\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float roughness;\\nuniform float metalness;\\nuniform float opacity;\\n#ifdef IOR\\n\\tuniform float ior;\\n#endif\\n#ifdef USE_SPECULAR\\n\\tuniform float specularIntensity;\\n\\tuniform vec3 specularColor;\\n\\t#ifdef USE_SPECULAR_COLORMAP\\n\\t\\tuniform sampler2D specularColorMap;\\n\\t#endif\\n\\t#ifdef USE_SPECULAR_INTENSITYMAP\\n\\t\\tuniform sampler2D specularIntensityMap;\\n\\t#endif\\n#endif\\n#ifdef USE_CLEARCOAT\\n\\tuniform float clearcoat;\\n\\tuniform float clearcoatRoughness;\\n#endif\\n#ifdef USE_DISPERSION\\n\\tuniform float dispersion;\\n#endif\\n#ifdef USE_IRIDESCENCE\\n\\tuniform float iridescence;\\n\\tuniform float iridescenceIOR;\\n\\tuniform float iridescenceThicknessMinimum;\\n\\tuniform float iridescenceThicknessMaximum;\\n#endif\\n#ifdef USE_SHEEN\\n\\tuniform vec3 sheenColor;\\n\\tuniform float sheenRoughness;\\n\\t#ifdef USE_SHEEN_COLORMAP\\n\\t\\tuniform sampler2D sheenColorMap;\\n\\t#endif\\n\\t#ifdef USE_SHEEN_ROUGHNESSMAP\\n\\t\\tuniform sampler2D sheenRoughnessMap;\\n\\t#endif\\n#endif\\n#ifdef USE_ANISOTROPY\\n\\tuniform vec2 anisotropyVector;\\n\\t#ifdef USE_ANISOTROPYMAP\\n\\t\\tuniform sampler2D anisotropyMap;\\n\\t#endif\\n#endif\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\\n\\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\\n\\t#include \\n\\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\\n\\t#ifdef USE_SHEEN\\n\\t\\tfloat sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor );\\n\\t\\toutgoingLight = outgoingLight * sheenEnergyComp + sheenSpecularDirect + sheenSpecularIndirect;\\n\\t#endif\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat dotNVcc = saturate( dot( geometryClearcoatNormal, geometryViewDir ) );\\n\\t\\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\\n\\t\\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + ( clearcoatSpecularDirect + clearcoatSpecularIndirect ) * material.clearcoat;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$4 = \"#define TOON\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$4 = \"#define TOON\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$3 = \"uniform float size;\\nuniform float scale;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#ifdef USE_POINTS_UV\\n\\tvarying vec2 vUv;\\n\\tuniform mat3 uvTransform;\\n#endif\\nvoid main() {\\n\\t#ifdef USE_POINTS_UV\\n\\t\\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tgl_PointSize = size;\\n\\t#ifdef USE_SIZEATTENUATION\\n\\t\\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\\n\\t\\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$3 = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$2 = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$2 = \"uniform vec3 color;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$1 = \"uniform float rotation;\\nuniform vec2 center;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 mvPosition = modelViewMatrix[ 3 ];\\n\\tvec2 scale = vec2( length( modelMatrix[ 0 ].xyz ), length( modelMatrix[ 1 ].xyz ) );\\n\\t#ifndef USE_SIZEATTENUATION\\n\\t\\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\\n\\t\\tif ( isPerspective ) scale *= - mvPosition.z;\\n\\t#endif\\n\\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\\n\\tvec2 rotatedPosition;\\n\\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\\n\\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\\n\\tmvPosition.xy += rotatedPosition;\\n\\tgl_Position = projectionMatrix * mvPosition;\\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$1 = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst ShaderChunk = {\n\talphahash_fragment: alphahash_fragment,\n\talphahash_pars_fragment: alphahash_pars_fragment,\n\talphamap_fragment: alphamap_fragment,\n\talphamap_pars_fragment: alphamap_pars_fragment,\n\talphatest_fragment: alphatest_fragment,\n\talphatest_pars_fragment: alphatest_pars_fragment,\n\taomap_fragment: aomap_fragment,\n\taomap_pars_fragment: aomap_pars_fragment,\n\tbatching_pars_vertex: batching_pars_vertex,\n\tbatching_vertex: batching_vertex,\n\tbegin_vertex: begin_vertex,\n\tbeginnormal_vertex: beginnormal_vertex,\n\tbsdfs: bsdfs,\n\tiridescence_fragment: iridescence_fragment,\n\tbumpmap_pars_fragment: bumpmap_pars_fragment,\n\tclipping_planes_fragment: clipping_planes_fragment,\n\tclipping_planes_pars_fragment: clipping_planes_pars_fragment,\n\tclipping_planes_pars_vertex: clipping_planes_pars_vertex,\n\tclipping_planes_vertex: clipping_planes_vertex,\n\tcolor_fragment: color_fragment,\n\tcolor_pars_fragment: color_pars_fragment,\n\tcolor_pars_vertex: color_pars_vertex,\n\tcolor_vertex: color_vertex,\n\tcommon: common,\n\tcube_uv_reflection_fragment: cube_uv_reflection_fragment,\n\tdefaultnormal_vertex: defaultnormal_vertex,\n\tdisplacementmap_pars_vertex: displacementmap_pars_vertex,\n\tdisplacementmap_vertex: displacementmap_vertex,\n\temissivemap_fragment: emissivemap_fragment,\n\temissivemap_pars_fragment: emissivemap_pars_fragment,\n\tcolorspace_fragment: colorspace_fragment,\n\tcolorspace_pars_fragment: colorspace_pars_fragment,\n\tenvmap_fragment: envmap_fragment,\n\tenvmap_common_pars_fragment: envmap_common_pars_fragment,\n\tenvmap_pars_fragment: envmap_pars_fragment,\n\tenvmap_pars_vertex: envmap_pars_vertex,\n\tenvmap_physical_pars_fragment: envmap_physical_pars_fragment,\n\tenvmap_vertex: envmap_vertex,\n\tfog_vertex: fog_vertex,\n\tfog_pars_vertex: fog_pars_vertex,\n\tfog_fragment: fog_fragment,\n\tfog_pars_fragment: fog_pars_fragment,\n\tgradientmap_pars_fragment: gradientmap_pars_fragment,\n\tlightmap_pars_fragment: lightmap_pars_fragment,\n\tlights_lambert_fragment: lights_lambert_fragment,\n\tlights_lambert_pars_fragment: lights_lambert_pars_fragment,\n\tlights_pars_begin: lights_pars_begin,\n\tlights_toon_fragment: lights_toon_fragment,\n\tlights_toon_pars_fragment: lights_toon_pars_fragment,\n\tlights_phong_fragment: lights_phong_fragment,\n\tlights_phong_pars_fragment: lights_phong_pars_fragment,\n\tlights_physical_fragment: lights_physical_fragment,\n\tlights_physical_pars_fragment: lights_physical_pars_fragment,\n\tlights_fragment_begin: lights_fragment_begin,\n\tlights_fragment_maps: lights_fragment_maps,\n\tlights_fragment_end: lights_fragment_end,\n\tlogdepthbuf_fragment: logdepthbuf_fragment,\n\tlogdepthbuf_pars_fragment: logdepthbuf_pars_fragment,\n\tlogdepthbuf_pars_vertex: logdepthbuf_pars_vertex,\n\tlogdepthbuf_vertex: logdepthbuf_vertex,\n\tmap_fragment: map_fragment,\n\tmap_pars_fragment: map_pars_fragment,\n\tmap_particle_fragment: map_particle_fragment,\n\tmap_particle_pars_fragment: map_particle_pars_fragment,\n\tmetalnessmap_fragment: metalnessmap_fragment,\n\tmetalnessmap_pars_fragment: metalnessmap_pars_fragment,\n\tmorphinstance_vertex: morphinstance_vertex,\n\tmorphcolor_vertex: morphcolor_vertex,\n\tmorphnormal_vertex: morphnormal_vertex,\n\tmorphtarget_pars_vertex: morphtarget_pars_vertex,\n\tmorphtarget_vertex: morphtarget_vertex,\n\tnormal_fragment_begin: normal_fragment_begin,\n\tnormal_fragment_maps: normal_fragment_maps,\n\tnormal_pars_fragment: normal_pars_fragment,\n\tnormal_pars_vertex: normal_pars_vertex,\n\tnormal_vertex: normal_vertex,\n\tnormalmap_pars_fragment: normalmap_pars_fragment,\n\tclearcoat_normal_fragment_begin: clearcoat_normal_fragment_begin,\n\tclearcoat_normal_fragment_maps: clearcoat_normal_fragment_maps,\n\tclearcoat_pars_fragment: clearcoat_pars_fragment,\n\tiridescence_pars_fragment: iridescence_pars_fragment,\n\topaque_fragment: opaque_fragment,\n\tpacking: packing,\n\tpremultiplied_alpha_fragment: premultiplied_alpha_fragment,\n\tproject_vertex: project_vertex,\n\tdithering_fragment: dithering_fragment,\n\tdithering_pars_fragment: dithering_pars_fragment,\n\troughnessmap_fragment: roughnessmap_fragment,\n\troughnessmap_pars_fragment: roughnessmap_pars_fragment,\n\tshadowmap_pars_fragment: shadowmap_pars_fragment,\n\tshadowmap_pars_vertex: shadowmap_pars_vertex,\n\tshadowmap_vertex: shadowmap_vertex,\n\tshadowmask_pars_fragment: shadowmask_pars_fragment,\n\tskinbase_vertex: skinbase_vertex,\n\tskinning_pars_vertex: skinning_pars_vertex,\n\tskinning_vertex: skinning_vertex,\n\tskinnormal_vertex: skinnormal_vertex,\n\tspecularmap_fragment: specularmap_fragment,\n\tspecularmap_pars_fragment: specularmap_pars_fragment,\n\ttonemapping_fragment: tonemapping_fragment,\n\ttonemapping_pars_fragment: tonemapping_pars_fragment,\n\ttransmission_fragment: transmission_fragment,\n\ttransmission_pars_fragment: transmission_pars_fragment,\n\tuv_pars_fragment: uv_pars_fragment,\n\tuv_pars_vertex: uv_pars_vertex,\n\tuv_vertex: uv_vertex,\n\tworldpos_vertex: worldpos_vertex,\n\n\tbackground_vert: vertex$h,\n\tbackground_frag: fragment$h,\n\tbackgroundCube_vert: vertex$g,\n\tbackgroundCube_frag: fragment$g,\n\tcube_vert: vertex$f,\n\tcube_frag: fragment$f,\n\tdepth_vert: vertex$e,\n\tdepth_frag: fragment$e,\n\tdistanceRGBA_vert: vertex$d,\n\tdistanceRGBA_frag: fragment$d,\n\tequirect_vert: vertex$c,\n\tequirect_frag: fragment$c,\n\tlinedashed_vert: vertex$b,\n\tlinedashed_frag: fragment$b,\n\tmeshbasic_vert: vertex$a,\n\tmeshbasic_frag: fragment$a,\n\tmeshlambert_vert: vertex$9,\n\tmeshlambert_frag: fragment$9,\n\tmeshmatcap_vert: vertex$8,\n\tmeshmatcap_frag: fragment$8,\n\tmeshnormal_vert: vertex$7,\n\tmeshnormal_frag: fragment$7,\n\tmeshphong_vert: vertex$6,\n\tmeshphong_frag: fragment$6,\n\tmeshphysical_vert: vertex$5,\n\tmeshphysical_frag: fragment$5,\n\tmeshtoon_vert: vertex$4,\n\tmeshtoon_frag: fragment$4,\n\tpoints_vert: vertex$3,\n\tpoints_frag: fragment$3,\n\tshadow_vert: vertex$2,\n\tshadow_frag: fragment$2,\n\tsprite_vert: vertex$1,\n\tsprite_frag: fragment$1\n};\n\n/**\n * Uniforms library for shared webgl shaders\n */\n\nconst UniformsLib = {\n\n\tcommon: {\n\n\t\tdiffuse: { value: /*@__PURE__*/ new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\n\t\tmap: { value: null },\n\t\tmapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\n\t\talphaMap: { value: null },\n\t\talphaMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\n\t\talphaTest: { value: 0 }\n\n\t},\n\n\tspecularmap: {\n\n\t\tspecularMap: { value: null },\n\t\tspecularMapTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\tenvmap: {\n\n\t\tenvMap: { value: null },\n\t\tenvMapRotation: { value: /*@__PURE__*/ new Matrix3() },\n\t\tflipEnvMap: { value: - 1 },\n\t\treflectivity: { value: 1.0 }, // basic, lambert, phong\n\t\tior: { value: 1.5 }, // physical\n\t\trefractionRatio: { value: 0.98 }, // basic, lambert, phong\n\n\t},\n\n\taomap: {\n\n\t\taoMap: { value: null },\n\t\taoMapIntensity: { value: 1 },\n\t\taoMapTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\tlightmap: {\n\n\t\tlightMap: { value: null },\n\t\tlightMapIntensity: { value: 1 },\n\t\tlightMapTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\tbumpmap: {\n\n\t\tbumpMap: { value: null },\n\t\tbumpMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\tbumpScale: { value: 1 }\n\n\t},\n\n\tnormalmap: {\n\n\t\tnormalMap: { value: null },\n\t\tnormalMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\tnormalScale: { value: /*@__PURE__*/ new Vector2( 1, 1 ) }\n\n\t},\n\n\tdisplacementmap: {\n\n\t\tdisplacementMap: { value: null },\n\t\tdisplacementMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\tdisplacementScale: { value: 1 },\n\t\tdisplacementBias: { value: 0 }\n\n\t},\n\n\temissivemap: {\n\n\t\temissiveMap: { value: null },\n\t\temissiveMapTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\tmetalnessmap: {\n\n\t\tmetalnessMap: { value: null },\n\t\tmetalnessMapTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\troughnessmap: {\n\n\t\troughnessMap: { value: null },\n\t\troughnessMapTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\tgradientmap: {\n\n\t\tgradientMap: { value: null }\n\n\t},\n\n\tfog: {\n\n\t\tfogDensity: { value: 0.00025 },\n\t\tfogNear: { value: 1 },\n\t\tfogFar: { value: 2000 },\n\t\tfogColor: { value: /*@__PURE__*/ new Color( 0xffffff ) }\n\n\t},\n\n\tlights: {\n\n\t\tambientLightColor: { value: [] },\n\n\t\tlightProbe: { value: [] },\n\n\t\tdirectionalLights: { value: [], properties: {\n\t\t\tdirection: {},\n\t\t\tcolor: {}\n\t\t} },\n\n\t\tdirectionalLightShadows: { value: [], properties: {\n\t\t\tshadowIntensity: 1,\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {}\n\t\t} },\n\n\t\tdirectionalShadowMap: { value: [] },\n\t\tdirectionalShadowMatrix: { value: [] },\n\n\t\tspotLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\tdirection: {},\n\t\t\tdistance: {},\n\t\t\tconeCos: {},\n\t\t\tpenumbraCos: {},\n\t\t\tdecay: {}\n\t\t} },\n\n\t\tspotLightShadows: { value: [], properties: {\n\t\t\tshadowIntensity: 1,\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {}\n\t\t} },\n\n\t\tspotLightMap: { value: [] },\n\t\tspotShadowMap: { value: [] },\n\t\tspotLightMatrix: { value: [] },\n\n\t\tpointLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\tdecay: {},\n\t\t\tdistance: {}\n\t\t} },\n\n\t\tpointLightShadows: { value: [], properties: {\n\t\t\tshadowIntensity: 1,\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {},\n\t\t\tshadowCameraNear: {},\n\t\t\tshadowCameraFar: {}\n\t\t} },\n\n\t\tpointShadowMap: { value: [] },\n\t\tpointShadowMatrix: { value: [] },\n\n\t\themisphereLights: { value: [], properties: {\n\t\t\tdirection: {},\n\t\t\tskyColor: {},\n\t\t\tgroundColor: {}\n\t\t} },\n\n\t\t// TODO (abelnation): RectAreaLight BRDF data needs to be moved from example to main src\n\t\trectAreaLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\twidth: {},\n\t\t\theight: {}\n\t\t} },\n\n\t\tltc_1: { value: null },\n\t\tltc_2: { value: null }\n\n\t},\n\n\tpoints: {\n\n\t\tdiffuse: { value: /*@__PURE__*/ new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\t\tsize: { value: 1.0 },\n\t\tscale: { value: 1.0 },\n\t\tmap: { value: null },\n\t\talphaMap: { value: null },\n\t\talphaMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\talphaTest: { value: 0 },\n\t\tuvTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\tsprite: {\n\n\t\tdiffuse: { value: /*@__PURE__*/ new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\t\tcenter: { value: /*@__PURE__*/ new Vector2( 0.5, 0.5 ) },\n\t\trotation: { value: 0.0 },\n\t\tmap: { value: null },\n\t\tmapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\talphaMap: { value: null },\n\t\talphaMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\talphaTest: { value: 0 }\n\n\t}\n\n};\n\nconst ShaderLib = {\n\n\tbasic: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshbasic_vert,\n\t\tfragmentShader: ShaderChunk.meshbasic_frag\n\n\t},\n\n\tlambert: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: /*@__PURE__*/ new Color( 0x000000 ) }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshlambert_vert,\n\t\tfragmentShader: ShaderChunk.meshlambert_frag\n\n\t},\n\n\tphong: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: /*@__PURE__*/ new Color( 0x000000 ) },\n\t\t\t\tspecular: { value: /*@__PURE__*/ new Color( 0x111111 ) },\n\t\t\t\tshininess: { value: 30 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphong_vert,\n\t\tfragmentShader: ShaderChunk.meshphong_frag\n\n\t},\n\n\tstandard: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.roughnessmap,\n\t\t\tUniformsLib.metalnessmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: /*@__PURE__*/ new Color( 0x000000 ) },\n\t\t\t\troughness: { value: 1.0 },\n\t\t\t\tmetalness: { value: 0.0 },\n\t\t\t\tenvMapIntensity: { value: 1 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t},\n\n\ttoon: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.gradientmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: /*@__PURE__*/ new Color( 0x000000 ) }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshtoon_vert,\n\t\tfragmentShader: ShaderChunk.meshtoon_frag\n\n\t},\n\n\tmatcap: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tmatcap: { value: null }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshmatcap_vert,\n\t\tfragmentShader: ShaderChunk.meshmatcap_frag\n\n\t},\n\n\tpoints: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.points,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.points_vert,\n\t\tfragmentShader: ShaderChunk.points_frag\n\n\t},\n\n\tdashed: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tscale: { value: 1 },\n\t\t\t\tdashSize: { value: 1 },\n\t\t\t\ttotalSize: { value: 2 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.linedashed_vert,\n\t\tfragmentShader: ShaderChunk.linedashed_frag\n\n\t},\n\n\tdepth: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.displacementmap\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.depth_vert,\n\t\tfragmentShader: ShaderChunk.depth_frag\n\n\t},\n\n\tnormal: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\t{\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshnormal_vert,\n\t\tfragmentShader: ShaderChunk.meshnormal_frag\n\n\t},\n\n\tsprite: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.sprite,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.sprite_vert,\n\t\tfragmentShader: ShaderChunk.sprite_frag\n\n\t},\n\n\tbackground: {\n\n\t\tuniforms: {\n\t\t\tuvTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tt2D: { value: null },\n\t\t\tbackgroundIntensity: { value: 1 }\n\t\t},\n\n\t\tvertexShader: ShaderChunk.background_vert,\n\t\tfragmentShader: ShaderChunk.background_frag\n\n\t},\n\n\tbackgroundCube: {\n\n\t\tuniforms: {\n\t\t\tenvMap: { value: null },\n\t\t\tflipEnvMap: { value: - 1 },\n\t\t\tbackgroundBlurriness: { value: 0 },\n\t\t\tbackgroundIntensity: { value: 1 },\n\t\t\tbackgroundRotation: { value: /*@__PURE__*/ new Matrix3() }\n\t\t},\n\n\t\tvertexShader: ShaderChunk.backgroundCube_vert,\n\t\tfragmentShader: ShaderChunk.backgroundCube_frag\n\n\t},\n\n\tcube: {\n\n\t\tuniforms: {\n\t\t\ttCube: { value: null },\n\t\t\ttFlip: { value: - 1 },\n\t\t\topacity: { value: 1.0 }\n\t\t},\n\n\t\tvertexShader: ShaderChunk.cube_vert,\n\t\tfragmentShader: ShaderChunk.cube_frag\n\n\t},\n\n\tequirect: {\n\n\t\tuniforms: {\n\t\t\ttEquirect: { value: null },\n\t\t},\n\n\t\tvertexShader: ShaderChunk.equirect_vert,\n\t\tfragmentShader: ShaderChunk.equirect_frag\n\n\t},\n\n\tdistanceRGBA: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.displacementmap,\n\t\t\t{\n\t\t\t\treferencePosition: { value: /*@__PURE__*/ new Vector3() },\n\t\t\t\tnearDistance: { value: 1 },\n\t\t\t\tfarDistance: { value: 1000 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.distanceRGBA_vert,\n\t\tfragmentShader: ShaderChunk.distanceRGBA_frag\n\n\t},\n\n\tshadow: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.lights,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tcolor: { value: /*@__PURE__*/ new Color( 0x00000 ) },\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t},\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.shadow_vert,\n\t\tfragmentShader: ShaderChunk.shadow_frag\n\n\t}\n\n};\n\nShaderLib.physical = {\n\n\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\tShaderLib.standard.uniforms,\n\t\t{\n\t\t\tclearcoat: { value: 0 },\n\t\t\tclearcoatMap: { value: null },\n\t\t\tclearcoatMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tclearcoatNormalMap: { value: null },\n\t\t\tclearcoatNormalMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tclearcoatNormalScale: { value: /*@__PURE__*/ new Vector2( 1, 1 ) },\n\t\t\tclearcoatRoughness: { value: 0 },\n\t\t\tclearcoatRoughnessMap: { value: null },\n\t\t\tclearcoatRoughnessMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tdispersion: { value: 0 },\n\t\t\tiridescence: { value: 0 },\n\t\t\tiridescenceMap: { value: null },\n\t\t\tiridescenceMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tiridescenceIOR: { value: 1.3 },\n\t\t\tiridescenceThicknessMinimum: { value: 100 },\n\t\t\tiridescenceThicknessMaximum: { value: 400 },\n\t\t\tiridescenceThicknessMap: { value: null },\n\t\t\tiridescenceThicknessMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tsheen: { value: 0 },\n\t\t\tsheenColor: { value: /*@__PURE__*/ new Color( 0x000000 ) },\n\t\t\tsheenColorMap: { value: null },\n\t\t\tsheenColorMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tsheenRoughness: { value: 1 },\n\t\t\tsheenRoughnessMap: { value: null },\n\t\t\tsheenRoughnessMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\ttransmission: { value: 0 },\n\t\t\ttransmissionMap: { value: null },\n\t\t\ttransmissionMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\ttransmissionSamplerSize: { value: /*@__PURE__*/ new Vector2() },\n\t\t\ttransmissionSamplerMap: { value: null },\n\t\t\tthickness: { value: 0 },\n\t\t\tthicknessMap: { value: null },\n\t\t\tthicknessMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tattenuationDistance: { value: 0 },\n\t\t\tattenuationColor: { value: /*@__PURE__*/ new Color( 0x000000 ) },\n\t\t\tspecularColor: { value: /*@__PURE__*/ new Color( 1, 1, 1 ) },\n\t\t\tspecularColorMap: { value: null },\n\t\t\tspecularColorMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tspecularIntensity: { value: 1 },\n\t\t\tspecularIntensityMap: { value: null },\n\t\t\tspecularIntensityMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tanisotropyVector: { value: /*@__PURE__*/ new Vector2() },\n\t\t\tanisotropyMap: { value: null },\n\t\t\tanisotropyMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t}\n\t] ),\n\n\tvertexShader: ShaderChunk.meshphysical_vert,\n\tfragmentShader: ShaderChunk.meshphysical_frag\n\n};\n\nconst _rgb = { r: 0, b: 0, g: 0 };\nconst _e1$1 = /*@__PURE__*/ new Euler();\nconst _m1$1 = /*@__PURE__*/ new Matrix4();\n\nfunction WebGLBackground( renderer, cubemaps, cubeuvmaps, state, objects, alpha, premultipliedAlpha ) {\n\n\tconst clearColor = new Color( 0x000000 );\n\tlet clearAlpha = alpha === true ? 0 : 1;\n\n\tlet planeMesh;\n\tlet boxMesh;\n\n\tlet currentBackground = null;\n\tlet currentBackgroundVersion = 0;\n\tlet currentTonemapping = null;\n\n\tfunction getBackground( scene ) {\n\n\t\tlet background = scene.isScene === true ? scene.background : null;\n\n\t\tif ( background && background.isTexture ) {\n\n\t\t\tconst usePMREM = scene.backgroundBlurriness > 0; // use PMREM if the user wants to blur the background\n\t\t\tbackground = ( usePMREM ? cubeuvmaps : cubemaps ).get( background );\n\n\t\t}\n\n\t\treturn background;\n\n\t}\n\n\tfunction render( scene ) {\n\n\t\tlet forceClear = false;\n\t\tconst background = getBackground( scene );\n\n\t\tif ( background === null ) {\n\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t} else if ( background && background.isColor ) {\n\n\t\t\tsetClear( background, 1 );\n\t\t\tforceClear = true;\n\n\t\t}\n\n\t\tconst environmentBlendMode = renderer.xr.getEnvironmentBlendMode();\n\n\t\tif ( environmentBlendMode === 'additive' ) {\n\n\t\t\tstate.buffers.color.setClear( 0, 0, 0, 1, premultipliedAlpha );\n\n\t\t} else if ( environmentBlendMode === 'alpha-blend' ) {\n\n\t\t\tstate.buffers.color.setClear( 0, 0, 0, 0, premultipliedAlpha );\n\n\t\t}\n\n\t\tif ( renderer.autoClear || forceClear ) {\n\n\t\t\t// buffers might not be writable which is required to ensure a correct clear\n\n\t\t\tstate.buffers.depth.setTest( true );\n\t\t\tstate.buffers.depth.setMask( true );\n\t\t\tstate.buffers.color.setMask( true );\n\n\t\t\trenderer.clear( renderer.autoClearColor, renderer.autoClearDepth, renderer.autoClearStencil );\n\n\t\t}\n\n\t}\n\n\tfunction addToRenderList( renderList, scene ) {\n\n\t\tconst background = getBackground( scene );\n\n\t\tif ( background && ( background.isCubeTexture || background.mapping === CubeUVReflectionMapping ) ) {\n\n\t\t\tif ( boxMesh === undefined ) {\n\n\t\t\t\tboxMesh = new Mesh(\n\t\t\t\t\tnew BoxGeometry( 1, 1, 1 ),\n\t\t\t\t\tnew ShaderMaterial( {\n\t\t\t\t\t\tname: 'BackgroundCubeMaterial',\n\t\t\t\t\t\tuniforms: cloneUniforms( ShaderLib.backgroundCube.uniforms ),\n\t\t\t\t\t\tvertexShader: ShaderLib.backgroundCube.vertexShader,\n\t\t\t\t\t\tfragmentShader: ShaderLib.backgroundCube.fragmentShader,\n\t\t\t\t\t\tside: BackSide,\n\t\t\t\t\t\tdepthTest: false,\n\t\t\t\t\t\tdepthWrite: false,\n\t\t\t\t\t\tfog: false\n\t\t\t\t\t} )\n\t\t\t\t);\n\n\t\t\t\tboxMesh.geometry.deleteAttribute( 'normal' );\n\t\t\t\tboxMesh.geometry.deleteAttribute( 'uv' );\n\n\t\t\t\tboxMesh.onBeforeRender = function ( renderer, scene, camera ) {\n\n\t\t\t\t\tthis.matrixWorld.copyPosition( camera.matrixWorld );\n\n\t\t\t\t};\n\n\t\t\t\t// add \"envMap\" material property so the renderer can evaluate it like for built-in materials\n\t\t\t\tObject.defineProperty( boxMesh.material, 'envMap', {\n\n\t\t\t\t\tget: function () {\n\n\t\t\t\t\t\treturn this.uniforms.envMap.value;\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\tobjects.update( boxMesh );\n\n\t\t\t}\n\n\t\t\t_e1$1.copy( scene.backgroundRotation );\n\n\t\t\t// accommodate left-handed frame\n\t\t\t_e1$1.x *= - 1; _e1$1.y *= - 1; _e1$1.z *= - 1;\n\n\t\t\tif ( background.isCubeTexture && background.isRenderTargetTexture === false ) {\n\n\t\t\t\t// environment maps which are not cube render targets or PMREMs follow a different convention\n\t\t\t\t_e1$1.y *= - 1;\n\t\t\t\t_e1$1.z *= - 1;\n\n\t\t\t}\n\n\t\t\tboxMesh.material.uniforms.envMap.value = background;\n\t\t\tboxMesh.material.uniforms.flipEnvMap.value = ( background.isCubeTexture && background.isRenderTargetTexture === false ) ? - 1 : 1;\n\t\t\tboxMesh.material.uniforms.backgroundBlurriness.value = scene.backgroundBlurriness;\n\t\t\tboxMesh.material.uniforms.backgroundIntensity.value = scene.backgroundIntensity;\n\t\t\tboxMesh.material.uniforms.backgroundRotation.value.setFromMatrix4( _m1$1.makeRotationFromEuler( _e1$1 ) );\n\t\t\tboxMesh.material.toneMapped = ColorManagement.getTransfer( background.colorSpace ) !== SRGBTransfer;\n\n\t\t\tif ( currentBackground !== background ||\n\t\t\t\tcurrentBackgroundVersion !== background.version ||\n\t\t\t\tcurrentTonemapping !== renderer.toneMapping ) {\n\n\t\t\t\tboxMesh.material.needsUpdate = true;\n\n\t\t\t\tcurrentBackground = background;\n\t\t\t\tcurrentBackgroundVersion = background.version;\n\t\t\t\tcurrentTonemapping = renderer.toneMapping;\n\n\t\t\t}\n\n\t\t\tboxMesh.layers.enableAll();\n\n\t\t\t// push to the pre-sorted opaque render list\n\t\t\trenderList.unshift( boxMesh, boxMesh.geometry, boxMesh.material, 0, 0, null );\n\n\t\t} else if ( background && background.isTexture ) {\n\n\t\t\tif ( planeMesh === undefined ) {\n\n\t\t\t\tplaneMesh = new Mesh(\n\t\t\t\t\tnew PlaneGeometry( 2, 2 ),\n\t\t\t\t\tnew ShaderMaterial( {\n\t\t\t\t\t\tname: 'BackgroundMaterial',\n\t\t\t\t\t\tuniforms: cloneUniforms( ShaderLib.background.uniforms ),\n\t\t\t\t\t\tvertexShader: ShaderLib.background.vertexShader,\n\t\t\t\t\t\tfragmentShader: ShaderLib.background.fragmentShader,\n\t\t\t\t\t\tside: FrontSide,\n\t\t\t\t\t\tdepthTest: false,\n\t\t\t\t\t\tdepthWrite: false,\n\t\t\t\t\t\tfog: false\n\t\t\t\t\t} )\n\t\t\t\t);\n\n\t\t\t\tplaneMesh.geometry.deleteAttribute( 'normal' );\n\n\t\t\t\t// add \"map\" material property so the renderer can evaluate it like for built-in materials\n\t\t\t\tObject.defineProperty( planeMesh.material, 'map', {\n\n\t\t\t\t\tget: function () {\n\n\t\t\t\t\t\treturn this.uniforms.t2D.value;\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\tobjects.update( planeMesh );\n\n\t\t\t}\n\n\t\t\tplaneMesh.material.uniforms.t2D.value = background;\n\t\t\tplaneMesh.material.uniforms.backgroundIntensity.value = scene.backgroundIntensity;\n\t\t\tplaneMesh.material.toneMapped = ColorManagement.getTransfer( background.colorSpace ) !== SRGBTransfer;\n\n\t\t\tif ( background.matrixAutoUpdate === true ) {\n\n\t\t\t\tbackground.updateMatrix();\n\n\t\t\t}\n\n\t\t\tplaneMesh.material.uniforms.uvTransform.value.copy( background.matrix );\n\n\t\t\tif ( currentBackground !== background ||\n\t\t\t\tcurrentBackgroundVersion !== background.version ||\n\t\t\t\tcurrentTonemapping !== renderer.toneMapping ) {\n\n\t\t\t\tplaneMesh.material.needsUpdate = true;\n\n\t\t\t\tcurrentBackground = background;\n\t\t\t\tcurrentBackgroundVersion = background.version;\n\t\t\t\tcurrentTonemapping = renderer.toneMapping;\n\n\t\t\t}\n\n\t\t\tplaneMesh.layers.enableAll();\n\n\t\t\t// push to the pre-sorted opaque render list\n\t\t\trenderList.unshift( planeMesh, planeMesh.geometry, planeMesh.material, 0, 0, null );\n\n\t\t}\n\n\t}\n\n\tfunction setClear( color, alpha ) {\n\n\t\tcolor.getRGB( _rgb, getUnlitUniformColorSpace( renderer ) );\n\n\t\tstate.buffers.color.setClear( _rgb.r, _rgb.g, _rgb.b, alpha, premultipliedAlpha );\n\n\t}\n\n\tfunction dispose() {\n\n\t\tif ( boxMesh !== undefined ) {\n\n\t\t\tboxMesh.geometry.dispose();\n\t\t\tboxMesh.material.dispose();\n\n\t\t\tboxMesh = undefined;\n\n\t\t}\n\n\t\tif ( planeMesh !== undefined ) {\n\n\t\t\tplaneMesh.geometry.dispose();\n\t\t\tplaneMesh.material.dispose();\n\n\t\t\tplaneMesh = undefined;\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\tgetClearColor: function () {\n\n\t\t\treturn clearColor;\n\n\t\t},\n\t\tsetClearColor: function ( color, alpha = 1 ) {\n\n\t\t\tclearColor.set( color );\n\t\t\tclearAlpha = alpha;\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t},\n\t\tgetClearAlpha: function () {\n\n\t\t\treturn clearAlpha;\n\n\t\t},\n\t\tsetClearAlpha: function ( alpha ) {\n\n\t\t\tclearAlpha = alpha;\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t},\n\t\trender: render,\n\t\taddToRenderList: addToRenderList,\n\t\tdispose: dispose\n\n\t};\n\n}\n\nfunction WebGLBindingStates( gl, attributes ) {\n\n\tconst maxVertexAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );\n\n\tconst bindingStates = {};\n\n\tconst defaultState = createBindingState( null );\n\tlet currentState = defaultState;\n\tlet forceUpdate = false;\n\n\tfunction setup( object, material, program, geometry, index ) {\n\n\t\tlet updateBuffers = false;\n\n\t\tconst state = getBindingState( geometry, program, material );\n\n\t\tif ( currentState !== state ) {\n\n\t\t\tcurrentState = state;\n\t\t\tbindVertexArrayObject( currentState.object );\n\n\t\t}\n\n\t\tupdateBuffers = needsUpdate( object, geometry, program, index );\n\n\t\tif ( updateBuffers ) saveCache( object, geometry, program, index );\n\n\t\tif ( index !== null ) {\n\n\t\t\tattributes.update( index, gl.ELEMENT_ARRAY_BUFFER );\n\n\t\t}\n\n\t\tif ( updateBuffers || forceUpdate ) {\n\n\t\t\tforceUpdate = false;\n\n\t\t\tsetupVertexAttributes( object, material, program, geometry );\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, attributes.get( index ).buffer );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction createVertexArrayObject() {\n\n\t\treturn gl.createVertexArray();\n\n\t}\n\n\tfunction bindVertexArrayObject( vao ) {\n\n\t\treturn gl.bindVertexArray( vao );\n\n\t}\n\n\tfunction deleteVertexArrayObject( vao ) {\n\n\t\treturn gl.deleteVertexArray( vao );\n\n\t}\n\n\tfunction getBindingState( geometry, program, material ) {\n\n\t\tconst wireframe = ( material.wireframe === true );\n\n\t\tlet programMap = bindingStates[ geometry.id ];\n\n\t\tif ( programMap === undefined ) {\n\n\t\t\tprogramMap = {};\n\t\t\tbindingStates[ geometry.id ] = programMap;\n\n\t\t}\n\n\t\tlet stateMap = programMap[ program.id ];\n\n\t\tif ( stateMap === undefined ) {\n\n\t\t\tstateMap = {};\n\t\t\tprogramMap[ program.id ] = stateMap;\n\n\t\t}\n\n\t\tlet state = stateMap[ wireframe ];\n\n\t\tif ( state === undefined ) {\n\n\t\t\tstate = createBindingState( createVertexArrayObject() );\n\t\t\tstateMap[ wireframe ] = state;\n\n\t\t}\n\n\t\treturn state;\n\n\t}\n\n\tfunction createBindingState( vao ) {\n\n\t\tconst newAttributes = [];\n\t\tconst enabledAttributes = [];\n\t\tconst attributeDivisors = [];\n\n\t\tfor ( let i = 0; i < maxVertexAttributes; i ++ ) {\n\n\t\t\tnewAttributes[ i ] = 0;\n\t\t\tenabledAttributes[ i ] = 0;\n\t\t\tattributeDivisors[ i ] = 0;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\t// for backward compatibility on non-VAO support browser\n\t\t\tgeometry: null,\n\t\t\tprogram: null,\n\t\t\twireframe: false,\n\n\t\t\tnewAttributes: newAttributes,\n\t\t\tenabledAttributes: enabledAttributes,\n\t\t\tattributeDivisors: attributeDivisors,\n\t\t\tobject: vao,\n\t\t\tattributes: {},\n\t\t\tindex: null\n\n\t\t};\n\n\t}\n\n\tfunction needsUpdate( object, geometry, program, index ) {\n\n\t\tconst cachedAttributes = currentState.attributes;\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\tlet attributesNum = 0;\n\n\t\tconst programAttributes = program.getAttributes();\n\n\t\tfor ( const name in programAttributes ) {\n\n\t\t\tconst programAttribute = programAttributes[ name ];\n\n\t\t\tif ( programAttribute.location >= 0 ) {\n\n\t\t\t\tconst cachedAttribute = cachedAttributes[ name ];\n\t\t\t\tlet geometryAttribute = geometryAttributes[ name ];\n\n\t\t\t\tif ( geometryAttribute === undefined ) {\n\n\t\t\t\t\tif ( name === 'instanceMatrix' && object.instanceMatrix ) geometryAttribute = object.instanceMatrix;\n\t\t\t\t\tif ( name === 'instanceColor' && object.instanceColor ) geometryAttribute = object.instanceColor;\n\n\t\t\t\t}\n\n\t\t\t\tif ( cachedAttribute === undefined ) return true;\n\n\t\t\t\tif ( cachedAttribute.attribute !== geometryAttribute ) return true;\n\n\t\t\t\tif ( geometryAttribute && cachedAttribute.data !== geometryAttribute.data ) return true;\n\n\t\t\t\tattributesNum ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( currentState.attributesNum !== attributesNum ) return true;\n\n\t\tif ( currentState.index !== index ) return true;\n\n\t\treturn false;\n\n\t}\n\n\tfunction saveCache( object, geometry, program, index ) {\n\n\t\tconst cache = {};\n\t\tconst attributes = geometry.attributes;\n\t\tlet attributesNum = 0;\n\n\t\tconst programAttributes = program.getAttributes();\n\n\t\tfor ( const name in programAttributes ) {\n\n\t\t\tconst programAttribute = programAttributes[ name ];\n\n\t\t\tif ( programAttribute.location >= 0 ) {\n\n\t\t\t\tlet attribute = attributes[ name ];\n\n\t\t\t\tif ( attribute === undefined ) {\n\n\t\t\t\t\tif ( name === 'instanceMatrix' && object.instanceMatrix ) attribute = object.instanceMatrix;\n\t\t\t\t\tif ( name === 'instanceColor' && object.instanceColor ) attribute = object.instanceColor;\n\n\t\t\t\t}\n\n\t\t\t\tconst data = {};\n\t\t\t\tdata.attribute = attribute;\n\n\t\t\t\tif ( attribute && attribute.data ) {\n\n\t\t\t\t\tdata.data = attribute.data;\n\n\t\t\t\t}\n\n\t\t\t\tcache[ name ] = data;\n\n\t\t\t\tattributesNum ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\tcurrentState.attributes = cache;\n\t\tcurrentState.attributesNum = attributesNum;\n\n\t\tcurrentState.index = index;\n\n\t}\n\n\tfunction initAttributes() {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\n\t\tfor ( let i = 0, il = newAttributes.length; i < il; i ++ ) {\n\n\t\t\tnewAttributes[ i ] = 0;\n\n\t\t}\n\n\t}\n\n\tfunction enableAttribute( attribute ) {\n\n\t\tenableAttributeAndDivisor( attribute, 0 );\n\n\t}\n\n\tfunction enableAttributeAndDivisor( attribute, meshPerAttribute ) {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\t\tconst enabledAttributes = currentState.enabledAttributes;\n\t\tconst attributeDivisors = currentState.attributeDivisors;\n\n\t\tnewAttributes[ attribute ] = 1;\n\n\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t}\n\n\t\tif ( attributeDivisors[ attribute ] !== meshPerAttribute ) {\n\n\t\t\tgl.vertexAttribDivisor( attribute, meshPerAttribute );\n\t\t\tattributeDivisors[ attribute ] = meshPerAttribute;\n\n\t\t}\n\n\t}\n\n\tfunction disableUnusedAttributes() {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\t\tconst enabledAttributes = currentState.enabledAttributes;\n\n\t\tfor ( let i = 0, il = enabledAttributes.length; i < il; i ++ ) {\n\n\t\t\tif ( enabledAttributes[ i ] !== newAttributes[ i ] ) {\n\n\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction vertexAttribPointer( index, size, type, normalized, stride, offset, integer ) {\n\n\t\tif ( integer === true ) {\n\n\t\t\tgl.vertexAttribIPointer( index, size, type, stride, offset );\n\n\t\t} else {\n\n\t\t\tgl.vertexAttribPointer( index, size, type, normalized, stride, offset );\n\n\t\t}\n\n\t}\n\n\tfunction setupVertexAttributes( object, material, program, geometry ) {\n\n\t\tinitAttributes();\n\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\tconst programAttributes = program.getAttributes();\n\n\t\tconst materialDefaultAttributeValues = material.defaultAttributeValues;\n\n\t\tfor ( const name in programAttributes ) {\n\n\t\t\tconst programAttribute = programAttributes[ name ];\n\n\t\t\tif ( programAttribute.location >= 0 ) {\n\n\t\t\t\tlet geometryAttribute = geometryAttributes[ name ];\n\n\t\t\t\tif ( geometryAttribute === undefined ) {\n\n\t\t\t\t\tif ( name === 'instanceMatrix' && object.instanceMatrix ) geometryAttribute = object.instanceMatrix;\n\t\t\t\t\tif ( name === 'instanceColor' && object.instanceColor ) geometryAttribute = object.instanceColor;\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometryAttribute !== undefined ) {\n\n\t\t\t\t\tconst normalized = geometryAttribute.normalized;\n\t\t\t\t\tconst size = geometryAttribute.itemSize;\n\n\t\t\t\t\tconst attribute = attributes.get( geometryAttribute );\n\n\t\t\t\t\t// TODO Attribute may not be available on context restore\n\n\t\t\t\t\tif ( attribute === undefined ) continue;\n\n\t\t\t\t\tconst buffer = attribute.buffer;\n\t\t\t\t\tconst type = attribute.type;\n\t\t\t\t\tconst bytesPerElement = attribute.bytesPerElement;\n\n\t\t\t\t\t// check for integer attributes\n\n\t\t\t\t\tconst integer = ( type === gl.INT || type === gl.UNSIGNED_INT || geometryAttribute.gpuType === IntType );\n\n\t\t\t\t\tif ( geometryAttribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\tconst data = geometryAttribute.data;\n\t\t\t\t\t\tconst stride = data.stride;\n\t\t\t\t\t\tconst offset = geometryAttribute.offset;\n\n\t\t\t\t\t\tif ( data.isInstancedInterleavedBuffer ) {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttributeAndDivisor( programAttribute.location + i, data.meshPerAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( object.isInstancedMesh !== true && geometry._maxInstanceCount === undefined ) {\n\n\t\t\t\t\t\t\t\tgeometry._maxInstanceCount = data.meshPerAttribute * data.count;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttribute( programAttribute.location + i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, buffer );\n\n\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\tvertexAttribPointer(\n\t\t\t\t\t\t\t\tprogramAttribute.location + i,\n\t\t\t\t\t\t\t\tsize / programAttribute.locationSize,\n\t\t\t\t\t\t\t\ttype,\n\t\t\t\t\t\t\t\tnormalized,\n\t\t\t\t\t\t\t\tstride * bytesPerElement,\n\t\t\t\t\t\t\t\t( offset + ( size / programAttribute.locationSize ) * i ) * bytesPerElement,\n\t\t\t\t\t\t\t\tinteger\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( geometryAttribute.isInstancedBufferAttribute ) {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttributeAndDivisor( programAttribute.location + i, geometryAttribute.meshPerAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( object.isInstancedMesh !== true && geometry._maxInstanceCount === undefined ) {\n\n\t\t\t\t\t\t\t\tgeometry._maxInstanceCount = geometryAttribute.meshPerAttribute * geometryAttribute.count;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttribute( programAttribute.location + i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, buffer );\n\n\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\tvertexAttribPointer(\n\t\t\t\t\t\t\t\tprogramAttribute.location + i,\n\t\t\t\t\t\t\t\tsize / programAttribute.locationSize,\n\t\t\t\t\t\t\t\ttype,\n\t\t\t\t\t\t\t\tnormalized,\n\t\t\t\t\t\t\t\tsize * bytesPerElement,\n\t\t\t\t\t\t\t\t( size / programAttribute.locationSize ) * i * bytesPerElement,\n\t\t\t\t\t\t\t\tinteger\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( materialDefaultAttributeValues !== undefined ) {\n\n\t\t\t\t\tconst value = materialDefaultAttributeValues[ name ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\tswitch ( value.length ) {\n\n\t\t\t\t\t\t\tcase 2:\n\t\t\t\t\t\t\t\tgl.vertexAttrib2fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 3:\n\t\t\t\t\t\t\t\tgl.vertexAttrib3fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 4:\n\t\t\t\t\t\t\t\tgl.vertexAttrib4fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\tgl.vertexAttrib1fv( programAttribute.location, value );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tdisableUnusedAttributes();\n\n\t}\n\n\tfunction dispose() {\n\n\t\treset();\n\n\t\tfor ( const geometryId in bindingStates ) {\n\n\t\t\tconst programMap = bindingStates[ geometryId ];\n\n\t\t\tfor ( const programId in programMap ) {\n\n\t\t\t\tconst stateMap = programMap[ programId ];\n\n\t\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t\t}\n\n\t\t\t\tdelete programMap[ programId ];\n\n\t\t\t}\n\n\t\t\tdelete bindingStates[ geometryId ];\n\n\t\t}\n\n\t}\n\n\tfunction releaseStatesOfGeometry( geometry ) {\n\n\t\tif ( bindingStates[ geometry.id ] === undefined ) return;\n\n\t\tconst programMap = bindingStates[ geometry.id ];\n\n\t\tfor ( const programId in programMap ) {\n\n\t\t\tconst stateMap = programMap[ programId ];\n\n\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t}\n\n\t\t\tdelete programMap[ programId ];\n\n\t\t}\n\n\t\tdelete bindingStates[ geometry.id ];\n\n\t}\n\n\tfunction releaseStatesOfProgram( program ) {\n\n\t\tfor ( const geometryId in bindingStates ) {\n\n\t\t\tconst programMap = bindingStates[ geometryId ];\n\n\t\t\tif ( programMap[ program.id ] === undefined ) continue;\n\n\t\t\tconst stateMap = programMap[ program.id ];\n\n\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t}\n\n\t\t\tdelete programMap[ program.id ];\n\n\t\t}\n\n\t}\n\n\tfunction reset() {\n\n\t\tresetDefaultState();\n\t\tforceUpdate = true;\n\n\t\tif ( currentState === defaultState ) return;\n\n\t\tcurrentState = defaultState;\n\t\tbindVertexArrayObject( currentState.object );\n\n\t}\n\n\t// for backward-compatibility\n\n\tfunction resetDefaultState() {\n\n\t\tdefaultState.geometry = null;\n\t\tdefaultState.program = null;\n\t\tdefaultState.wireframe = false;\n\n\t}\n\n\treturn {\n\n\t\tsetup: setup,\n\t\treset: reset,\n\t\tresetDefaultState: resetDefaultState,\n\t\tdispose: dispose,\n\t\treleaseStatesOfGeometry: releaseStatesOfGeometry,\n\t\treleaseStatesOfProgram: releaseStatesOfProgram,\n\n\t\tinitAttributes: initAttributes,\n\t\tenableAttribute: enableAttribute,\n\t\tdisableUnusedAttributes: disableUnusedAttributes\n\n\t};\n\n}\n\nfunction WebGLBufferRenderer( gl, extensions, info ) {\n\n\tlet mode;\n\n\tfunction setMode( value ) {\n\n\t\tmode = value;\n\n\t}\n\n\tfunction render( start, count ) {\n\n\t\tgl.drawArrays( mode, start, count );\n\n\t\tinfo.update( count, mode, 1 );\n\n\t}\n\n\tfunction renderInstances( start, count, primcount ) {\n\n\t\tif ( primcount === 0 ) return;\n\n\t\tgl.drawArraysInstanced( mode, start, count, primcount );\n\n\t\tinfo.update( count, mode, primcount );\n\n\t}\n\n\tfunction renderMultiDraw( starts, counts, drawCount ) {\n\n\t\tif ( drawCount === 0 ) return;\n\n\t\tconst extension = extensions.get( 'WEBGL_multi_draw' );\n\t\textension.multiDrawArraysWEBGL( mode, starts, 0, counts, 0, drawCount );\n\n\t\tlet elementCount = 0;\n\t\tfor ( let i = 0; i < drawCount; i ++ ) {\n\n\t\t\telementCount += counts[ i ];\n\n\t\t}\n\n\t\tinfo.update( elementCount, mode, 1 );\n\n\t}\n\n\tfunction renderMultiDrawInstances( starts, counts, drawCount, primcount ) {\n\n\t\tif ( drawCount === 0 ) return;\n\n\t\tconst extension = extensions.get( 'WEBGL_multi_draw' );\n\n\t\tif ( extension === null ) {\n\n\t\t\tfor ( let i = 0; i < starts.length; i ++ ) {\n\n\t\t\t\trenderInstances( starts[ i ], counts[ i ], primcount[ i ] );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\textension.multiDrawArraysInstancedWEBGL( mode, starts, 0, counts, 0, primcount, 0, drawCount );\n\n\t\t\tlet elementCount = 0;\n\t\t\tfor ( let i = 0; i < drawCount; i ++ ) {\n\n\t\t\t\telementCount += counts[ i ] * primcount[ i ];\n\n\t\t\t}\n\n\t\t\tinfo.update( elementCount, mode, 1 );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tthis.setMode = setMode;\n\tthis.render = render;\n\tthis.renderInstances = renderInstances;\n\tthis.renderMultiDraw = renderMultiDraw;\n\tthis.renderMultiDrawInstances = renderMultiDrawInstances;\n\n}\n\nfunction WebGLCapabilities( gl, extensions, parameters, utils ) {\n\n\tlet maxAnisotropy;\n\n\tfunction getMaxAnisotropy() {\n\n\t\tif ( maxAnisotropy !== undefined ) return maxAnisotropy;\n\n\t\tif ( extensions.has( 'EXT_texture_filter_anisotropic' ) === true ) {\n\n\t\t\tconst extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tmaxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT );\n\n\t\t} else {\n\n\t\t\tmaxAnisotropy = 0;\n\n\t\t}\n\n\t\treturn maxAnisotropy;\n\n\t}\n\n\tfunction textureFormatReadable( textureFormat ) {\n\n\t\tif ( textureFormat !== RGBAFormat && utils.convert( textureFormat ) !== gl.getParameter( gl.IMPLEMENTATION_COLOR_READ_FORMAT ) ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tfunction textureTypeReadable( textureType ) {\n\n\t\tconst halfFloatSupportedByExt = ( textureType === HalfFloatType ) && ( extensions.has( 'EXT_color_buffer_half_float' ) || extensions.has( 'EXT_color_buffer_float' ) );\n\n\t\tif ( textureType !== UnsignedByteType && utils.convert( textureType ) !== gl.getParameter( gl.IMPLEMENTATION_COLOR_READ_TYPE ) && // Edge and Chrome Mac < 52 (#9513)\n\t\t\ttextureType !== FloatType && ! halfFloatSupportedByExt ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tfunction getMaxPrecision( precision ) {\n\n\t\tif ( precision === 'highp' ) {\n\n\t\t\tif ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.HIGH_FLOAT ).precision > 0 &&\n\t\t\t\tgl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.HIGH_FLOAT ).precision > 0 ) {\n\n\t\t\t\treturn 'highp';\n\n\t\t\t}\n\n\t\t\tprecision = 'mediump';\n\n\t\t}\n\n\t\tif ( precision === 'mediump' ) {\n\n\t\t\tif ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.MEDIUM_FLOAT ).precision > 0 &&\n\t\t\t\tgl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.MEDIUM_FLOAT ).precision > 0 ) {\n\n\t\t\t\treturn 'mediump';\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn 'lowp';\n\n\t}\n\n\tlet precision = parameters.precision !== undefined ? parameters.precision : 'highp';\n\tconst maxPrecision = getMaxPrecision( precision );\n\n\tif ( maxPrecision !== precision ) {\n\n\t\tconsole.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' );\n\t\tprecision = maxPrecision;\n\n\t}\n\n\tconst logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true;\n\tconst reverseDepthBuffer = parameters.reverseDepthBuffer === true && extensions.has( 'EXT_clip_control' );\n\n\tconst maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS );\n\tconst maxVertexTextures = gl.getParameter( gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS );\n\tconst maxTextureSize = gl.getParameter( gl.MAX_TEXTURE_SIZE );\n\tconst maxCubemapSize = gl.getParameter( gl.MAX_CUBE_MAP_TEXTURE_SIZE );\n\n\tconst maxAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );\n\tconst maxVertexUniforms = gl.getParameter( gl.MAX_VERTEX_UNIFORM_VECTORS );\n\tconst maxVaryings = gl.getParameter( gl.MAX_VARYING_VECTORS );\n\tconst maxFragmentUniforms = gl.getParameter( gl.MAX_FRAGMENT_UNIFORM_VECTORS );\n\n\tconst vertexTextures = maxVertexTextures > 0;\n\n\tconst maxSamples = gl.getParameter( gl.MAX_SAMPLES );\n\n\treturn {\n\n\t\tisWebGL2: true, // keeping this for backwards compatibility\n\n\t\tgetMaxAnisotropy: getMaxAnisotropy,\n\t\tgetMaxPrecision: getMaxPrecision,\n\n\t\ttextureFormatReadable: textureFormatReadable,\n\t\ttextureTypeReadable: textureTypeReadable,\n\n\t\tprecision: precision,\n\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\t\treverseDepthBuffer: reverseDepthBuffer,\n\n\t\tmaxTextures: maxTextures,\n\t\tmaxVertexTextures: maxVertexTextures,\n\t\tmaxTextureSize: maxTextureSize,\n\t\tmaxCubemapSize: maxCubemapSize,\n\n\t\tmaxAttributes: maxAttributes,\n\t\tmaxVertexUniforms: maxVertexUniforms,\n\t\tmaxVaryings: maxVaryings,\n\t\tmaxFragmentUniforms: maxFragmentUniforms,\n\n\t\tvertexTextures: vertexTextures,\n\n\t\tmaxSamples: maxSamples\n\n\t};\n\n}\n\nfunction WebGLClipping( properties ) {\n\n\tconst scope = this;\n\n\tlet globalState = null,\n\t\tnumGlobalPlanes = 0,\n\t\tlocalClippingEnabled = false,\n\t\trenderingShadows = false;\n\n\tconst plane = new Plane(),\n\t\tviewNormalMatrix = new Matrix3(),\n\n\t\tuniform = { value: null, needsUpdate: false };\n\n\tthis.uniform = uniform;\n\tthis.numPlanes = 0;\n\tthis.numIntersection = 0;\n\n\tthis.init = function ( planes, enableLocalClipping ) {\n\n\t\tconst enabled =\n\t\t\tplanes.length !== 0 ||\n\t\t\tenableLocalClipping ||\n\t\t\t// enable state of previous frame - the clipping code has to\n\t\t\t// run another frame in order to reset the state:\n\t\t\tnumGlobalPlanes !== 0 ||\n\t\t\tlocalClippingEnabled;\n\n\t\tlocalClippingEnabled = enableLocalClipping;\n\n\t\tnumGlobalPlanes = planes.length;\n\n\t\treturn enabled;\n\n\t};\n\n\tthis.beginShadows = function () {\n\n\t\trenderingShadows = true;\n\t\tprojectPlanes( null );\n\n\t};\n\n\tthis.endShadows = function () {\n\n\t\trenderingShadows = false;\n\n\t};\n\n\tthis.setGlobalState = function ( planes, camera ) {\n\n\t\tglobalState = projectPlanes( planes, camera, 0 );\n\n\t};\n\n\tthis.setState = function ( material, camera, useCache ) {\n\n\t\tconst planes = material.clippingPlanes,\n\t\t\tclipIntersection = material.clipIntersection,\n\t\t\tclipShadows = material.clipShadows;\n\n\t\tconst materialProperties = properties.get( material );\n\n\t\tif ( ! localClippingEnabled || planes === null || planes.length === 0 || renderingShadows && ! clipShadows ) {\n\n\t\t\t// there's no local clipping\n\n\t\t\tif ( renderingShadows ) {\n\n\t\t\t\t// there's no global clipping\n\n\t\t\t\tprojectPlanes( null );\n\n\t\t\t} else {\n\n\t\t\t\tresetGlobalState();\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst nGlobal = renderingShadows ? 0 : numGlobalPlanes,\n\t\t\t\tlGlobal = nGlobal * 4;\n\n\t\t\tlet dstArray = materialProperties.clippingState || null;\n\n\t\t\tuniform.value = dstArray; // ensure unique state\n\n\t\t\tdstArray = projectPlanes( planes, camera, lGlobal, useCache );\n\n\t\t\tfor ( let i = 0; i !== lGlobal; ++ i ) {\n\n\t\t\t\tdstArray[ i ] = globalState[ i ];\n\n\t\t\t}\n\n\t\t\tmaterialProperties.clippingState = dstArray;\n\t\t\tthis.numIntersection = clipIntersection ? this.numPlanes : 0;\n\t\t\tthis.numPlanes += nGlobal;\n\n\t\t}\n\n\n\t};\n\n\tfunction resetGlobalState() {\n\n\t\tif ( uniform.value !== globalState ) {\n\n\t\t\tuniform.value = globalState;\n\t\t\tuniform.needsUpdate = numGlobalPlanes > 0;\n\n\t\t}\n\n\t\tscope.numPlanes = numGlobalPlanes;\n\t\tscope.numIntersection = 0;\n\n\t}\n\n\tfunction projectPlanes( planes, camera, dstOffset, skipTransform ) {\n\n\t\tconst nPlanes = planes !== null ? planes.length : 0;\n\t\tlet dstArray = null;\n\n\t\tif ( nPlanes !== 0 ) {\n\n\t\t\tdstArray = uniform.value;\n\n\t\t\tif ( skipTransform !== true || dstArray === null ) {\n\n\t\t\t\tconst flatSize = dstOffset + nPlanes * 4,\n\t\t\t\t\tviewMatrix = camera.matrixWorldInverse;\n\n\t\t\t\tviewNormalMatrix.getNormalMatrix( viewMatrix );\n\n\t\t\t\tif ( dstArray === null || dstArray.length < flatSize ) {\n\n\t\t\t\t\tdstArray = new Float32Array( flatSize );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0, i4 = dstOffset; i !== nPlanes; ++ i, i4 += 4 ) {\n\n\t\t\t\t\tplane.copy( planes[ i ] ).applyMatrix4( viewMatrix, viewNormalMatrix );\n\n\t\t\t\t\tplane.normal.toArray( dstArray, i4 );\n\t\t\t\t\tdstArray[ i4 + 3 ] = plane.constant;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tuniform.value = dstArray;\n\t\t\tuniform.needsUpdate = true;\n\n\t\t}\n\n\t\tscope.numPlanes = nPlanes;\n\t\tscope.numIntersection = 0;\n\n\t\treturn dstArray;\n\n\t}\n\n}\n\nfunction WebGLCubeMaps( renderer ) {\n\n\tlet cubemaps = new WeakMap();\n\n\tfunction mapTextureMapping( texture, mapping ) {\n\n\t\tif ( mapping === EquirectangularReflectionMapping ) {\n\n\t\t\ttexture.mapping = CubeReflectionMapping;\n\n\t\t} else if ( mapping === EquirectangularRefractionMapping ) {\n\n\t\t\ttexture.mapping = CubeRefractionMapping;\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction get( texture ) {\n\n\t\tif ( texture && texture.isTexture ) {\n\n\t\t\tconst mapping = texture.mapping;\n\n\t\t\tif ( mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping ) {\n\n\t\t\t\tif ( cubemaps.has( texture ) ) {\n\n\t\t\t\t\tconst cubemap = cubemaps.get( texture ).texture;\n\t\t\t\t\treturn mapTextureMapping( cubemap, texture.mapping );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst image = texture.image;\n\n\t\t\t\t\tif ( image && image.height > 0 ) {\n\n\t\t\t\t\t\tconst renderTarget = new WebGLCubeRenderTarget( image.height );\n\t\t\t\t\t\trenderTarget.fromEquirectangularTexture( renderer, texture );\n\t\t\t\t\t\tcubemaps.set( texture, renderTarget );\n\n\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\treturn mapTextureMapping( renderTarget.texture, texture.mapping );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// image not yet ready. try the conversion next frame\n\n\t\t\t\t\t\treturn null;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tconst cubemap = cubemaps.get( texture );\n\n\t\tif ( cubemap !== undefined ) {\n\n\t\t\tcubemaps.delete( texture );\n\t\t\tcubemap.dispose();\n\n\t\t}\n\n\t}\n\n\tfunction dispose() {\n\n\t\tcubemaps = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nconst LOD_MIN = 4;\n\n// The standard deviations (radians) associated with the extra mips. These are\n// chosen to approximate a Trowbridge-Reitz distribution function times the\n// geometric shadowing function. These sigma values squared must match the\n// variance #defines in cube_uv_reflection_fragment.glsl.js.\nconst EXTRA_LOD_SIGMA = [ 0.125, 0.215, 0.35, 0.446, 0.526, 0.582 ];\n\n// The maximum length of the blur for loop. Smaller sigmas will use fewer\n// samples and exit early, but not recompile the shader.\nconst MAX_SAMPLES = 20;\n\nconst _flatCamera = /*@__PURE__*/ new OrthographicCamera();\nconst _clearColor = /*@__PURE__*/ new Color();\nlet _oldTarget = null;\nlet _oldActiveCubeFace = 0;\nlet _oldActiveMipmapLevel = 0;\nlet _oldXrEnabled = false;\n\n// Golden Ratio\nconst PHI = ( 1 + Math.sqrt( 5 ) ) / 2;\nconst INV_PHI = 1 / PHI;\n\n// Vertices of a dodecahedron (except the opposites, which represent the\n// same axis), used as axis directions evenly spread on a sphere.\nconst _axisDirections = [\n\t/*@__PURE__*/ new Vector3( - PHI, INV_PHI, 0 ),\n\t/*@__PURE__*/ new Vector3( PHI, INV_PHI, 0 ),\n\t/*@__PURE__*/ new Vector3( - INV_PHI, 0, PHI ),\n\t/*@__PURE__*/ new Vector3( INV_PHI, 0, PHI ),\n\t/*@__PURE__*/ new Vector3( 0, PHI, - INV_PHI ),\n\t/*@__PURE__*/ new Vector3( 0, PHI, INV_PHI ),\n\t/*@__PURE__*/ new Vector3( - 1, 1, - 1 ),\n\t/*@__PURE__*/ new Vector3( 1, 1, - 1 ),\n\t/*@__PURE__*/ new Vector3( - 1, 1, 1 ),\n\t/*@__PURE__*/ new Vector3( 1, 1, 1 ) ];\n\n/**\n * This class generates a Prefiltered, Mipmapped Radiance Environment Map\n * (PMREM) from a cubeMap environment texture. This allows different levels of\n * blur to be quickly accessed based on material roughness. It is packed into a\n * special CubeUV format that allows us to perform custom interpolation so that\n * we can support nonlinear formats such as RGBE. Unlike a traditional mipmap\n * chain, it only goes down to the LOD_MIN level (above), and then creates extra\n * even more filtered 'mips' at the same LOD_MIN resolution, associated with\n * higher roughness levels. In this way we maintain resolution to smoothly\n * interpolate diffuse lighting while limiting sampling computation.\n *\n * Paper: Fast, Accurate Image-Based Lighting\n * https://drive.google.com/file/d/15y8r_UpKlU9SvV4ILb0C3qCPecS8pvLz/view\n*/\n\nclass PMREMGenerator {\n\n\tconstructor( renderer ) {\n\n\t\tthis._renderer = renderer;\n\t\tthis._pingPongRenderTarget = null;\n\n\t\tthis._lodMax = 0;\n\t\tthis._cubeSize = 0;\n\t\tthis._lodPlanes = [];\n\t\tthis._sizeLods = [];\n\t\tthis._sigmas = [];\n\n\t\tthis._blurMaterial = null;\n\t\tthis._cubemapMaterial = null;\n\t\tthis._equirectMaterial = null;\n\n\t\tthis._compileMaterial( this._blurMaterial );\n\n\t}\n\n\t/**\n\t * Generates a PMREM from a supplied Scene, which can be faster than using an\n\t * image if networking bandwidth is low. Optional sigma specifies a blur radius\n\t * in radians to be applied to the scene before PMREM generation. Optional near\n\t * and far planes ensure the scene is rendered in its entirety (the cubeCamera\n\t * is placed at the origin).\n\t *\n\t * @param {Scene} scene\n\t * @param {number} sigma\n\t * @param {number} near\n\t * @param {number} far\n\t * @return {WebGLRenderTarget}\n\t */\n\tfromScene( scene, sigma = 0, near = 0.1, far = 100 ) {\n\n\t\t_oldTarget = this._renderer.getRenderTarget();\n\t\t_oldActiveCubeFace = this._renderer.getActiveCubeFace();\n\t\t_oldActiveMipmapLevel = this._renderer.getActiveMipmapLevel();\n\t\t_oldXrEnabled = this._renderer.xr.enabled;\n\n\t\tthis._renderer.xr.enabled = false;\n\n\t\tthis._setSize( 256 );\n\n\t\tconst cubeUVRenderTarget = this._allocateTargets();\n\t\tcubeUVRenderTarget.depthBuffer = true;\n\n\t\tthis._sceneToCubeUV( scene, near, far, cubeUVRenderTarget );\n\n\t\tif ( sigma > 0 ) {\n\n\t\t\tthis._blur( cubeUVRenderTarget, 0, 0, sigma );\n\n\t\t}\n\n\t\tthis._applyPMREM( cubeUVRenderTarget );\n\t\tthis._cleanup( cubeUVRenderTarget );\n\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t/**\n\t * Generates a PMREM from an equirectangular texture, which can be either LDR\n\t * or HDR. The ideal input image size is 1k (1024 x 512),\n\t * as this matches best with the 256 x 256 cubemap output.\n\t * The smallest supported equirectangular image size is 64 x 32.\n\t *\n\t * @param {Texture} equirectangular\n\t * @param {WebGLRenderTarget} [renderTarget=null] - Optional render target.\n\t * @return {WebGLRenderTarget}\n\t */\n\tfromEquirectangular( equirectangular, renderTarget = null ) {\n\n\t\treturn this._fromTexture( equirectangular, renderTarget );\n\n\t}\n\n\t/**\n\t * Generates a PMREM from an cubemap texture, which can be either LDR\n\t * or HDR. The ideal input cube size is 256 x 256,\n\t * as this matches best with the 256 x 256 cubemap output.\n\t * The smallest supported cube size is 16 x 16.\n\t *\n\t * @param {Texture} cubemap\n\t * @param {null} [renderTarget=null] - Optional render target.\n\t * @return {WebGLRenderTarget}\n\t */\n\tfromCubemap( cubemap, renderTarget = null ) {\n\n\t\treturn this._fromTexture( cubemap, renderTarget );\n\n\t}\n\n\t/**\n\t * Pre-compiles the cubemap shader. You can get faster start-up by invoking this method during\n\t * your texture's network fetch for increased concurrency.\n\t */\n\tcompileCubemapShader() {\n\n\t\tif ( this._cubemapMaterial === null ) {\n\n\t\t\tthis._cubemapMaterial = _getCubemapMaterial();\n\t\t\tthis._compileMaterial( this._cubemapMaterial );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Pre-compiles the equirectangular shader. You can get faster start-up by invoking this method during\n\t * your texture's network fetch for increased concurrency.\n\t */\n\tcompileEquirectangularShader() {\n\n\t\tif ( this._equirectMaterial === null ) {\n\n\t\t\tthis._equirectMaterial = _getEquirectMaterial();\n\t\t\tthis._compileMaterial( this._equirectMaterial );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Disposes of the PMREMGenerator's internal memory. Note that PMREMGenerator is a static class,\n\t * so you should not need more than one PMREMGenerator object. If you do, calling dispose() on\n\t * one of them will cause any others to also become unusable.\n\t */\n\tdispose() {\n\n\t\tthis._dispose();\n\n\t\tif ( this._cubemapMaterial !== null ) this._cubemapMaterial.dispose();\n\t\tif ( this._equirectMaterial !== null ) this._equirectMaterial.dispose();\n\n\t}\n\n\t// private interface\n\n\t_setSize( cubeSize ) {\n\n\t\tthis._lodMax = Math.floor( Math.log2( cubeSize ) );\n\t\tthis._cubeSize = Math.pow( 2, this._lodMax );\n\n\t}\n\n\t_dispose() {\n\n\t\tif ( this._blurMaterial !== null ) this._blurMaterial.dispose();\n\n\t\tif ( this._pingPongRenderTarget !== null ) this._pingPongRenderTarget.dispose();\n\n\t\tfor ( let i = 0; i < this._lodPlanes.length; i ++ ) {\n\n\t\t\tthis._lodPlanes[ i ].dispose();\n\n\t\t}\n\n\t}\n\n\t_cleanup( outputTarget ) {\n\n\t\tthis._renderer.setRenderTarget( _oldTarget, _oldActiveCubeFace, _oldActiveMipmapLevel );\n\t\tthis._renderer.xr.enabled = _oldXrEnabled;\n\n\t\toutputTarget.scissorTest = false;\n\t\t_setViewport( outputTarget, 0, 0, outputTarget.width, outputTarget.height );\n\n\t}\n\n\t_fromTexture( texture, renderTarget ) {\n\n\t\tif ( texture.mapping === CubeReflectionMapping || texture.mapping === CubeRefractionMapping ) {\n\n\t\t\tthis._setSize( texture.image.length === 0 ? 16 : ( texture.image[ 0 ].width || texture.image[ 0 ].image.width ) );\n\n\t\t} else { // Equirectangular\n\n\t\t\tthis._setSize( texture.image.width / 4 );\n\n\t\t}\n\n\t\t_oldTarget = this._renderer.getRenderTarget();\n\t\t_oldActiveCubeFace = this._renderer.getActiveCubeFace();\n\t\t_oldActiveMipmapLevel = this._renderer.getActiveMipmapLevel();\n\t\t_oldXrEnabled = this._renderer.xr.enabled;\n\n\t\tthis._renderer.xr.enabled = false;\n\n\t\tconst cubeUVRenderTarget = renderTarget || this._allocateTargets();\n\t\tthis._textureToCubeUV( texture, cubeUVRenderTarget );\n\t\tthis._applyPMREM( cubeUVRenderTarget );\n\t\tthis._cleanup( cubeUVRenderTarget );\n\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t_allocateTargets() {\n\n\t\tconst width = 3 * Math.max( this._cubeSize, 16 * 7 );\n\t\tconst height = 4 * this._cubeSize;\n\n\t\tconst params = {\n\t\t\tmagFilter: LinearFilter,\n\t\t\tminFilter: LinearFilter,\n\t\t\tgenerateMipmaps: false,\n\t\t\ttype: HalfFloatType,\n\t\t\tformat: RGBAFormat,\n\t\t\tcolorSpace: LinearSRGBColorSpace,\n\t\t\tdepthBuffer: false\n\t\t};\n\n\t\tconst cubeUVRenderTarget = _createRenderTarget( width, height, params );\n\n\t\tif ( this._pingPongRenderTarget === null || this._pingPongRenderTarget.width !== width || this._pingPongRenderTarget.height !== height ) {\n\n\t\t\tif ( this._pingPongRenderTarget !== null ) {\n\n\t\t\t\tthis._dispose();\n\n\t\t\t}\n\n\t\t\tthis._pingPongRenderTarget = _createRenderTarget( width, height, params );\n\n\t\t\tconst { _lodMax } = this;\n\t\t\t( { sizeLods: this._sizeLods, lodPlanes: this._lodPlanes, sigmas: this._sigmas } = _createPlanes( _lodMax ) );\n\n\t\t\tthis._blurMaterial = _getBlurShader( _lodMax, width, height );\n\n\t\t}\n\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t_compileMaterial( material ) {\n\n\t\tconst tmpMesh = new Mesh( this._lodPlanes[ 0 ], material );\n\t\tthis._renderer.compile( tmpMesh, _flatCamera );\n\n\t}\n\n\t_sceneToCubeUV( scene, near, far, cubeUVRenderTarget ) {\n\n\t\tconst fov = 90;\n\t\tconst aspect = 1;\n\t\tconst cubeCamera = new PerspectiveCamera( fov, aspect, near, far );\n\t\tconst upSign = [ 1, - 1, 1, 1, 1, 1 ];\n\t\tconst forwardSign = [ 1, 1, 1, - 1, - 1, - 1 ];\n\t\tconst renderer = this._renderer;\n\n\t\tconst originalAutoClear = renderer.autoClear;\n\t\tconst toneMapping = renderer.toneMapping;\n\t\trenderer.getClearColor( _clearColor );\n\n\t\trenderer.toneMapping = NoToneMapping;\n\t\trenderer.autoClear = false;\n\n\t\tconst backgroundMaterial = new MeshBasicMaterial( {\n\t\t\tname: 'PMREM.Background',\n\t\t\tside: BackSide,\n\t\t\tdepthWrite: false,\n\t\t\tdepthTest: false,\n\t\t} );\n\n\t\tconst backgroundBox = new Mesh( new BoxGeometry(), backgroundMaterial );\n\n\t\tlet useSolidColor = false;\n\t\tconst background = scene.background;\n\n\t\tif ( background ) {\n\n\t\t\tif ( background.isColor ) {\n\n\t\t\t\tbackgroundMaterial.color.copy( background );\n\t\t\t\tscene.background = null;\n\t\t\t\tuseSolidColor = true;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tbackgroundMaterial.color.copy( _clearColor );\n\t\t\tuseSolidColor = true;\n\n\t\t}\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst col = i % 3;\n\n\t\t\tif ( col === 0 ) {\n\n\t\t\t\tcubeCamera.up.set( 0, upSign[ i ], 0 );\n\t\t\t\tcubeCamera.lookAt( forwardSign[ i ], 0, 0 );\n\n\t\t\t} else if ( col === 1 ) {\n\n\t\t\t\tcubeCamera.up.set( 0, 0, upSign[ i ] );\n\t\t\t\tcubeCamera.lookAt( 0, forwardSign[ i ], 0 );\n\n\t\t\t} else {\n\n\t\t\t\tcubeCamera.up.set( 0, upSign[ i ], 0 );\n\t\t\t\tcubeCamera.lookAt( 0, 0, forwardSign[ i ] );\n\n\t\t\t}\n\n\t\t\tconst size = this._cubeSize;\n\n\t\t\t_setViewport( cubeUVRenderTarget, col * size, i > 2 ? size : 0, size, size );\n\n\t\t\trenderer.setRenderTarget( cubeUVRenderTarget );\n\n\t\t\tif ( useSolidColor ) {\n\n\t\t\t\trenderer.render( backgroundBox, cubeCamera );\n\n\t\t\t}\n\n\t\t\trenderer.render( scene, cubeCamera );\n\n\t\t}\n\n\t\tbackgroundBox.geometry.dispose();\n\t\tbackgroundBox.material.dispose();\n\n\t\trenderer.toneMapping = toneMapping;\n\t\trenderer.autoClear = originalAutoClear;\n\t\tscene.background = background;\n\n\t}\n\n\t_textureToCubeUV( texture, cubeUVRenderTarget ) {\n\n\t\tconst renderer = this._renderer;\n\n\t\tconst isCubeTexture = ( texture.mapping === CubeReflectionMapping || texture.mapping === CubeRefractionMapping );\n\n\t\tif ( isCubeTexture ) {\n\n\t\t\tif ( this._cubemapMaterial === null ) {\n\n\t\t\t\tthis._cubemapMaterial = _getCubemapMaterial();\n\n\t\t\t}\n\n\t\t\tthis._cubemapMaterial.uniforms.flipEnvMap.value = ( texture.isRenderTargetTexture === false ) ? - 1 : 1;\n\n\t\t} else {\n\n\t\t\tif ( this._equirectMaterial === null ) {\n\n\t\t\t\tthis._equirectMaterial = _getEquirectMaterial();\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst material = isCubeTexture ? this._cubemapMaterial : this._equirectMaterial;\n\t\tconst mesh = new Mesh( this._lodPlanes[ 0 ], material );\n\n\t\tconst uniforms = material.uniforms;\n\n\t\tuniforms[ 'envMap' ].value = texture;\n\n\t\tconst size = this._cubeSize;\n\n\t\t_setViewport( cubeUVRenderTarget, 0, 0, 3 * size, 2 * size );\n\n\t\trenderer.setRenderTarget( cubeUVRenderTarget );\n\t\trenderer.render( mesh, _flatCamera );\n\n\t}\n\n\t_applyPMREM( cubeUVRenderTarget ) {\n\n\t\tconst renderer = this._renderer;\n\t\tconst autoClear = renderer.autoClear;\n\t\trenderer.autoClear = false;\n\t\tconst n = this._lodPlanes.length;\n\n\t\tfor ( let i = 1; i < n; i ++ ) {\n\n\t\t\tconst sigma = Math.sqrt( this._sigmas[ i ] * this._sigmas[ i ] - this._sigmas[ i - 1 ] * this._sigmas[ i - 1 ] );\n\n\t\t\tconst poleAxis = _axisDirections[ ( n - i - 1 ) % _axisDirections.length ];\n\n\t\t\tthis._blur( cubeUVRenderTarget, i - 1, i, sigma, poleAxis );\n\n\t\t}\n\n\t\trenderer.autoClear = autoClear;\n\n\t}\n\n\t/**\n\t * This is a two-pass Gaussian blur for a cubemap. Normally this is done\n\t * vertically and horizontally, but this breaks down on a cube. Here we apply\n\t * the blur latitudinally (around the poles), and then longitudinally (towards\n\t * the poles) to approximate the orthogonally-separable blur. It is least\n\t * accurate at the poles, but still does a decent job.\n\t *\n\t * @param {WebGLRenderTarget} cubeUVRenderTarget\n\t * @param {number} lodIn\n\t * @param {number} lodOut\n\t * @param {number} sigma\n\t * @param {Vector3} [poleAxis]\n\t */\n\t_blur( cubeUVRenderTarget, lodIn, lodOut, sigma, poleAxis ) {\n\n\t\tconst pingPongRenderTarget = this._pingPongRenderTarget;\n\n\t\tthis._halfBlur(\n\t\t\tcubeUVRenderTarget,\n\t\t\tpingPongRenderTarget,\n\t\t\tlodIn,\n\t\t\tlodOut,\n\t\t\tsigma,\n\t\t\t'latitudinal',\n\t\t\tpoleAxis );\n\n\t\tthis._halfBlur(\n\t\t\tpingPongRenderTarget,\n\t\t\tcubeUVRenderTarget,\n\t\t\tlodOut,\n\t\t\tlodOut,\n\t\t\tsigma,\n\t\t\t'longitudinal',\n\t\t\tpoleAxis );\n\n\t}\n\n\t_halfBlur( targetIn, targetOut, lodIn, lodOut, sigmaRadians, direction, poleAxis ) {\n\n\t\tconst renderer = this._renderer;\n\t\tconst blurMaterial = this._blurMaterial;\n\n\t\tif ( direction !== 'latitudinal' && direction !== 'longitudinal' ) {\n\n\t\t\tconsole.error(\n\t\t\t\t'blur direction must be either latitudinal or longitudinal!' );\n\n\t\t}\n\n\t\t// Number of standard deviations at which to cut off the discrete approximation.\n\t\tconst STANDARD_DEVIATIONS = 3;\n\n\t\tconst blurMesh = new Mesh( this._lodPlanes[ lodOut ], blurMaterial );\n\t\tconst blurUniforms = blurMaterial.uniforms;\n\n\t\tconst pixels = this._sizeLods[ lodIn ] - 1;\n\t\tconst radiansPerPixel = isFinite( sigmaRadians ) ? Math.PI / ( 2 * pixels ) : 2 * Math.PI / ( 2 * MAX_SAMPLES - 1 );\n\t\tconst sigmaPixels = sigmaRadians / radiansPerPixel;\n\t\tconst samples = isFinite( sigmaRadians ) ? 1 + Math.floor( STANDARD_DEVIATIONS * sigmaPixels ) : MAX_SAMPLES;\n\n\t\tif ( samples > MAX_SAMPLES ) {\n\n\t\t\tconsole.warn( `sigmaRadians, ${\n\t\t\t\tsigmaRadians}, is too large and will clip, as it requested ${\n\t\t\t\tsamples} samples when the maximum is set to ${MAX_SAMPLES}` );\n\n\t\t}\n\n\t\tconst weights = [];\n\t\tlet sum = 0;\n\n\t\tfor ( let i = 0; i < MAX_SAMPLES; ++ i ) {\n\n\t\t\tconst x = i / sigmaPixels;\n\t\t\tconst weight = Math.exp( - x * x / 2 );\n\t\t\tweights.push( weight );\n\n\t\t\tif ( i === 0 ) {\n\n\t\t\t\tsum += weight;\n\n\t\t\t} else if ( i < samples ) {\n\n\t\t\t\tsum += 2 * weight;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfor ( let i = 0; i < weights.length; i ++ ) {\n\n\t\t\tweights[ i ] = weights[ i ] / sum;\n\n\t\t}\n\n\t\tblurUniforms[ 'envMap' ].value = targetIn.texture;\n\t\tblurUniforms[ 'samples' ].value = samples;\n\t\tblurUniforms[ 'weights' ].value = weights;\n\t\tblurUniforms[ 'latitudinal' ].value = direction === 'latitudinal';\n\n\t\tif ( poleAxis ) {\n\n\t\t\tblurUniforms[ 'poleAxis' ].value = poleAxis;\n\n\t\t}\n\n\t\tconst { _lodMax } = this;\n\t\tblurUniforms[ 'dTheta' ].value = radiansPerPixel;\n\t\tblurUniforms[ 'mipInt' ].value = _lodMax - lodIn;\n\n\t\tconst outputSize = this._sizeLods[ lodOut ];\n\t\tconst x = 3 * outputSize * ( lodOut > _lodMax - LOD_MIN ? lodOut - _lodMax + LOD_MIN : 0 );\n\t\tconst y = 4 * ( this._cubeSize - outputSize );\n\n\t\t_setViewport( targetOut, x, y, 3 * outputSize, 2 * outputSize );\n\t\trenderer.setRenderTarget( targetOut );\n\t\trenderer.render( blurMesh, _flatCamera );\n\n\t}\n\n}\n\n\n\nfunction _createPlanes( lodMax ) {\n\n\tconst lodPlanes = [];\n\tconst sizeLods = [];\n\tconst sigmas = [];\n\n\tlet lod = lodMax;\n\n\tconst totalLods = lodMax - LOD_MIN + 1 + EXTRA_LOD_SIGMA.length;\n\n\tfor ( let i = 0; i < totalLods; i ++ ) {\n\n\t\tconst sizeLod = Math.pow( 2, lod );\n\t\tsizeLods.push( sizeLod );\n\t\tlet sigma = 1.0 / sizeLod;\n\n\t\tif ( i > lodMax - LOD_MIN ) {\n\n\t\t\tsigma = EXTRA_LOD_SIGMA[ i - lodMax + LOD_MIN - 1 ];\n\n\t\t} else if ( i === 0 ) {\n\n\t\t\tsigma = 0;\n\n\t\t}\n\n\t\tsigmas.push( sigma );\n\n\t\tconst texelSize = 1.0 / ( sizeLod - 2 );\n\t\tconst min = - texelSize;\n\t\tconst max = 1 + texelSize;\n\t\tconst uv1 = [ min, min, max, min, max, max, min, min, max, max, min, max ];\n\n\t\tconst cubeFaces = 6;\n\t\tconst vertices = 6;\n\t\tconst positionSize = 3;\n\t\tconst uvSize = 2;\n\t\tconst faceIndexSize = 1;\n\n\t\tconst position = new Float32Array( positionSize * vertices * cubeFaces );\n\t\tconst uv = new Float32Array( uvSize * vertices * cubeFaces );\n\t\tconst faceIndex = new Float32Array( faceIndexSize * vertices * cubeFaces );\n\n\t\tfor ( let face = 0; face < cubeFaces; face ++ ) {\n\n\t\t\tconst x = ( face % 3 ) * 2 / 3 - 1;\n\t\t\tconst y = face > 2 ? 0 : - 1;\n\t\t\tconst coordinates = [\n\t\t\t\tx, y, 0,\n\t\t\t\tx + 2 / 3, y, 0,\n\t\t\t\tx + 2 / 3, y + 1, 0,\n\t\t\t\tx, y, 0,\n\t\t\t\tx + 2 / 3, y + 1, 0,\n\t\t\t\tx, y + 1, 0\n\t\t\t];\n\t\t\tposition.set( coordinates, positionSize * vertices * face );\n\t\t\tuv.set( uv1, uvSize * vertices * face );\n\t\t\tconst fill = [ face, face, face, face, face, face ];\n\t\t\tfaceIndex.set( fill, faceIndexSize * vertices * face );\n\n\t\t}\n\n\t\tconst planes = new BufferGeometry();\n\t\tplanes.setAttribute( 'position', new BufferAttribute( position, positionSize ) );\n\t\tplanes.setAttribute( 'uv', new BufferAttribute( uv, uvSize ) );\n\t\tplanes.setAttribute( 'faceIndex', new BufferAttribute( faceIndex, faceIndexSize ) );\n\t\tlodPlanes.push( planes );\n\n\t\tif ( lod > LOD_MIN ) {\n\n\t\t\tlod --;\n\n\t\t}\n\n\t}\n\n\treturn { lodPlanes, sizeLods, sigmas };\n\n}\n\nfunction _createRenderTarget( width, height, params ) {\n\n\tconst cubeUVRenderTarget = new WebGLRenderTarget( width, height, params );\n\tcubeUVRenderTarget.texture.mapping = CubeUVReflectionMapping;\n\tcubeUVRenderTarget.texture.name = 'PMREM.cubeUv';\n\tcubeUVRenderTarget.scissorTest = true;\n\treturn cubeUVRenderTarget;\n\n}\n\nfunction _setViewport( target, x, y, width, height ) {\n\n\ttarget.viewport.set( x, y, width, height );\n\ttarget.scissor.set( x, y, width, height );\n\n}\n\nfunction _getBlurShader( lodMax, width, height ) {\n\n\tconst weights = new Float32Array( MAX_SAMPLES );\n\tconst poleAxis = new Vector3( 0, 1, 0 );\n\tconst shaderMaterial = new ShaderMaterial( {\n\n\t\tname: 'SphericalGaussianBlur',\n\n\t\tdefines: {\n\t\t\t'n': MAX_SAMPLES,\n\t\t\t'CUBEUV_TEXEL_WIDTH': 1.0 / width,\n\t\t\t'CUBEUV_TEXEL_HEIGHT': 1.0 / height,\n\t\t\t'CUBEUV_MAX_MIP': `${lodMax}.0`,\n\t\t},\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null },\n\t\t\t'samples': { value: 1 },\n\t\t\t'weights': { value: weights },\n\t\t\t'latitudinal': { value: false },\n\t\t\t'dTheta': { value: 0 },\n\t\t\t'mipInt': { value: 0 },\n\t\t\t'poleAxis': { value: poleAxis }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include \n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n\treturn shaderMaterial;\n\n}\n\nfunction _getEquirectMaterial() {\n\n\treturn new ShaderMaterial( {\n\n\t\tname: 'EquirectangularToCubeUV',\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\n\t\t\t#include \n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tgl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 );\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n}\n\nfunction _getCubemapMaterial() {\n\n\treturn new ShaderMaterial( {\n\n\t\tname: 'CubemapToCubeUV',\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null },\n\t\t\t'flipEnvMap': { value: - 1 }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tuniform float flipEnvMap;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) );\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n}\n\nfunction _getCommonVertexShader() {\n\n\treturn /* glsl */`\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t`;\n\n}\n\nfunction WebGLCubeUVMaps( renderer ) {\n\n\tlet cubeUVmaps = new WeakMap();\n\n\tlet pmremGenerator = null;\n\n\tfunction get( texture ) {\n\n\t\tif ( texture && texture.isTexture ) {\n\n\t\t\tconst mapping = texture.mapping;\n\n\t\t\tconst isEquirectMap = ( mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping );\n\t\t\tconst isCubeMap = ( mapping === CubeReflectionMapping || mapping === CubeRefractionMapping );\n\n\t\t\t// equirect/cube map to cubeUV conversion\n\n\t\t\tif ( isEquirectMap || isCubeMap ) {\n\n\t\t\t\tlet renderTarget = cubeUVmaps.get( texture );\n\n\t\t\t\tconst currentPMREMVersion = renderTarget !== undefined ? renderTarget.texture.pmremVersion : 0;\n\n\t\t\t\tif ( texture.isRenderTargetTexture && texture.pmremVersion !== currentPMREMVersion ) {\n\n\t\t\t\t\tif ( pmremGenerator === null ) pmremGenerator = new PMREMGenerator( renderer );\n\n\t\t\t\t\trenderTarget = isEquirectMap ? pmremGenerator.fromEquirectangular( texture, renderTarget ) : pmremGenerator.fromCubemap( texture, renderTarget );\n\t\t\t\t\trenderTarget.texture.pmremVersion = texture.pmremVersion;\n\n\t\t\t\t\tcubeUVmaps.set( texture, renderTarget );\n\n\t\t\t\t\treturn renderTarget.texture;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( renderTarget !== undefined ) {\n\n\t\t\t\t\t\treturn renderTarget.texture;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst image = texture.image;\n\n\t\t\t\t\t\tif ( ( isEquirectMap && image && image.height > 0 ) || ( isCubeMap && image && isCubeTextureComplete( image ) ) ) {\n\n\t\t\t\t\t\t\tif ( pmremGenerator === null ) pmremGenerator = new PMREMGenerator( renderer );\n\n\t\t\t\t\t\t\trenderTarget = isEquirectMap ? pmremGenerator.fromEquirectangular( texture ) : pmremGenerator.fromCubemap( texture );\n\t\t\t\t\t\t\trenderTarget.texture.pmremVersion = texture.pmremVersion;\n\n\t\t\t\t\t\t\tcubeUVmaps.set( texture, renderTarget );\n\n\t\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\t\treturn renderTarget.texture;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// image not yet ready. try the conversion next frame\n\n\t\t\t\t\t\t\treturn null;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction isCubeTextureComplete( image ) {\n\n\t\tlet count = 0;\n\t\tconst length = 6;\n\n\t\tfor ( let i = 0; i < length; i ++ ) {\n\n\t\t\tif ( image[ i ] !== undefined ) count ++;\n\n\t\t}\n\n\t\treturn count === length;\n\n\n\t}\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tconst cubemapUV = cubeUVmaps.get( texture );\n\n\t\tif ( cubemapUV !== undefined ) {\n\n\t\t\tcubeUVmaps.delete( texture );\n\t\t\tcubemapUV.dispose();\n\n\t\t}\n\n\t}\n\n\tfunction dispose() {\n\n\t\tcubeUVmaps = new WeakMap();\n\n\t\tif ( pmremGenerator !== null ) {\n\n\t\t\tpmremGenerator.dispose();\n\t\t\tpmremGenerator = null;\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction WebGLExtensions( gl ) {\n\n\tconst extensions = {};\n\n\tfunction getExtension( name ) {\n\n\t\tif ( extensions[ name ] !== undefined ) {\n\n\t\t\treturn extensions[ name ];\n\n\t\t}\n\n\t\tlet extension;\n\n\t\tswitch ( name ) {\n\n\t\t\tcase 'WEBGL_depth_texture':\n\t\t\t\textension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' );\n\t\t\t\tbreak;\n\n\t\t\tcase 'EXT_texture_filter_anisotropic':\n\t\t\t\textension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' );\n\t\t\t\tbreak;\n\n\t\t\tcase 'WEBGL_compressed_texture_s3tc':\n\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' );\n\t\t\t\tbreak;\n\n\t\t\tcase 'WEBGL_compressed_texture_pvrtc':\n\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' );\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\textension = gl.getExtension( name );\n\n\t\t}\n\n\t\textensions[ name ] = extension;\n\n\t\treturn extension;\n\n\t}\n\n\treturn {\n\n\t\thas: function ( name ) {\n\n\t\t\treturn getExtension( name ) !== null;\n\n\t\t},\n\n\t\tinit: function () {\n\n\t\t\tgetExtension( 'EXT_color_buffer_float' );\n\t\t\tgetExtension( 'WEBGL_clip_cull_distance' );\n\t\t\tgetExtension( 'OES_texture_float_linear' );\n\t\t\tgetExtension( 'EXT_color_buffer_half_float' );\n\t\t\tgetExtension( 'WEBGL_multisampled_render_to_texture' );\n\t\t\tgetExtension( 'WEBGL_render_shared_exponent' );\n\n\t\t},\n\n\t\tget: function ( name ) {\n\n\t\t\tconst extension = getExtension( name );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\twarnOnce( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' );\n\n\t\t\t}\n\n\t\t\treturn extension;\n\n\t\t}\n\n\t};\n\n}\n\nfunction WebGLGeometries( gl, attributes, info, bindingStates ) {\n\n\tconst geometries = {};\n\tconst wireframeAttributes = new WeakMap();\n\n\tfunction onGeometryDispose( event ) {\n\n\t\tconst geometry = event.target;\n\n\t\tif ( geometry.index !== null ) {\n\n\t\t\tattributes.remove( geometry.index );\n\n\t\t}\n\n\t\tfor ( const name in geometry.attributes ) {\n\n\t\t\tattributes.remove( geometry.attributes[ name ] );\n\n\t\t}\n\n\t\tgeometry.removeEventListener( 'dispose', onGeometryDispose );\n\n\t\tdelete geometries[ geometry.id ];\n\n\t\tconst attribute = wireframeAttributes.get( geometry );\n\n\t\tif ( attribute ) {\n\n\t\t\tattributes.remove( attribute );\n\t\t\twireframeAttributes.delete( geometry );\n\n\t\t}\n\n\t\tbindingStates.releaseStatesOfGeometry( geometry );\n\n\t\tif ( geometry.isInstancedBufferGeometry === true ) {\n\n\t\t\tdelete geometry._maxInstanceCount;\n\n\t\t}\n\n\t\t//\n\n\t\tinfo.memory.geometries --;\n\n\t}\n\n\tfunction get( object, geometry ) {\n\n\t\tif ( geometries[ geometry.id ] === true ) return geometry;\n\n\t\tgeometry.addEventListener( 'dispose', onGeometryDispose );\n\n\t\tgeometries[ geometry.id ] = true;\n\n\t\tinfo.memory.geometries ++;\n\n\t\treturn geometry;\n\n\t}\n\n\tfunction update( geometry ) {\n\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\t// Updating index buffer in VAO now. See WebGLBindingStates.\n\n\t\tfor ( const name in geometryAttributes ) {\n\n\t\t\tattributes.update( geometryAttributes[ name ], gl.ARRAY_BUFFER );\n\n\t\t}\n\n\t}\n\n\tfunction updateWireframeAttribute( geometry ) {\n\n\t\tconst indices = [];\n\n\t\tconst geometryIndex = geometry.index;\n\t\tconst geometryPosition = geometry.attributes.position;\n\t\tlet version = 0;\n\n\t\tif ( geometryIndex !== null ) {\n\n\t\t\tconst array = geometryIndex.array;\n\t\t\tversion = geometryIndex.version;\n\n\t\t\tfor ( let i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\tconst a = array[ i + 0 ];\n\t\t\t\tconst b = array[ i + 1 ];\n\t\t\t\tconst c = array[ i + 2 ];\n\n\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t}\n\n\t\t} else if ( geometryPosition !== undefined ) {\n\n\t\t\tconst array = geometryPosition.array;\n\t\t\tversion = geometryPosition.version;\n\n\t\t\tfor ( let i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) {\n\n\t\t\t\tconst a = i + 0;\n\t\t\t\tconst b = i + 1;\n\t\t\t\tconst c = i + 2;\n\n\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst attribute = new ( arrayNeedsUint32( indices ) ? Uint32BufferAttribute : Uint16BufferAttribute )( indices, 1 );\n\t\tattribute.version = version;\n\n\t\t// Updating index buffer in VAO now. See WebGLBindingStates\n\n\t\t//\n\n\t\tconst previousAttribute = wireframeAttributes.get( geometry );\n\n\t\tif ( previousAttribute ) attributes.remove( previousAttribute );\n\n\t\t//\n\n\t\twireframeAttributes.set( geometry, attribute );\n\n\t}\n\n\tfunction getWireframeAttribute( geometry ) {\n\n\t\tconst currentAttribute = wireframeAttributes.get( geometry );\n\n\t\tif ( currentAttribute ) {\n\n\t\t\tconst geometryIndex = geometry.index;\n\n\t\t\tif ( geometryIndex !== null ) {\n\n\t\t\t\t// if the attribute is obsolete, create a new one\n\n\t\t\t\tif ( currentAttribute.version < geometryIndex.version ) {\n\n\t\t\t\t\tupdateWireframeAttribute( geometry );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tupdateWireframeAttribute( geometry );\n\n\t\t}\n\n\t\treturn wireframeAttributes.get( geometry );\n\n\t}\n\n\treturn {\n\n\t\tget: get,\n\t\tupdate: update,\n\n\t\tgetWireframeAttribute: getWireframeAttribute\n\n\t};\n\n}\n\nfunction WebGLIndexedBufferRenderer( gl, extensions, info ) {\n\n\tlet mode;\n\n\tfunction setMode( value ) {\n\n\t\tmode = value;\n\n\t}\n\n\tlet type, bytesPerElement;\n\n\tfunction setIndex( value ) {\n\n\t\ttype = value.type;\n\t\tbytesPerElement = value.bytesPerElement;\n\n\t}\n\n\tfunction render( start, count ) {\n\n\t\tgl.drawElements( mode, count, type, start * bytesPerElement );\n\n\t\tinfo.update( count, mode, 1 );\n\n\t}\n\n\tfunction renderInstances( start, count, primcount ) {\n\n\t\tif ( primcount === 0 ) return;\n\n\t\tgl.drawElementsInstanced( mode, count, type, start * bytesPerElement, primcount );\n\n\t\tinfo.update( count, mode, primcount );\n\n\t}\n\n\tfunction renderMultiDraw( starts, counts, drawCount ) {\n\n\t\tif ( drawCount === 0 ) return;\n\n\t\tconst extension = extensions.get( 'WEBGL_multi_draw' );\n\t\textension.multiDrawElementsWEBGL( mode, counts, 0, type, starts, 0, drawCount );\n\n\t\tlet elementCount = 0;\n\t\tfor ( let i = 0; i < drawCount; i ++ ) {\n\n\t\t\telementCount += counts[ i ];\n\n\t\t}\n\n\t\tinfo.update( elementCount, mode, 1 );\n\n\n\t}\n\n\tfunction renderMultiDrawInstances( starts, counts, drawCount, primcount ) {\n\n\t\tif ( drawCount === 0 ) return;\n\n\t\tconst extension = extensions.get( 'WEBGL_multi_draw' );\n\n\t\tif ( extension === null ) {\n\n\t\t\tfor ( let i = 0; i < starts.length; i ++ ) {\n\n\t\t\t\trenderInstances( starts[ i ] / bytesPerElement, counts[ i ], primcount[ i ] );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\textension.multiDrawElementsInstancedWEBGL( mode, counts, 0, type, starts, 0, primcount, 0, drawCount );\n\n\t\t\tlet elementCount = 0;\n\t\t\tfor ( let i = 0; i < drawCount; i ++ ) {\n\n\t\t\t\telementCount += counts[ i ] * primcount[ i ];\n\n\t\t\t}\n\n\t\t\tinfo.update( elementCount, mode, 1 );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tthis.setMode = setMode;\n\tthis.setIndex = setIndex;\n\tthis.render = render;\n\tthis.renderInstances = renderInstances;\n\tthis.renderMultiDraw = renderMultiDraw;\n\tthis.renderMultiDrawInstances = renderMultiDrawInstances;\n\n}\n\nfunction WebGLInfo( gl ) {\n\n\tconst memory = {\n\t\tgeometries: 0,\n\t\ttextures: 0\n\t};\n\n\tconst render = {\n\t\tframe: 0,\n\t\tcalls: 0,\n\t\ttriangles: 0,\n\t\tpoints: 0,\n\t\tlines: 0\n\t};\n\n\tfunction update( count, mode, instanceCount ) {\n\n\t\trender.calls ++;\n\n\t\tswitch ( mode ) {\n\n\t\t\tcase gl.TRIANGLES:\n\t\t\t\trender.triangles += instanceCount * ( count / 3 );\n\t\t\t\tbreak;\n\n\t\t\tcase gl.LINES:\n\t\t\t\trender.lines += instanceCount * ( count / 2 );\n\t\t\t\tbreak;\n\n\t\t\tcase gl.LINE_STRIP:\n\t\t\t\trender.lines += instanceCount * ( count - 1 );\n\t\t\t\tbreak;\n\n\t\t\tcase gl.LINE_LOOP:\n\t\t\t\trender.lines += instanceCount * count;\n\t\t\t\tbreak;\n\n\t\t\tcase gl.POINTS:\n\t\t\t\trender.points += instanceCount * count;\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tconsole.error( 'THREE.WebGLInfo: Unknown draw mode:', mode );\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\tfunction reset() {\n\n\t\trender.calls = 0;\n\t\trender.triangles = 0;\n\t\trender.points = 0;\n\t\trender.lines = 0;\n\n\t}\n\n\treturn {\n\t\tmemory: memory,\n\t\trender: render,\n\t\tprograms: null,\n\t\tautoReset: true,\n\t\treset: reset,\n\t\tupdate: update\n\t};\n\n}\n\nfunction WebGLMorphtargets( gl, capabilities, textures ) {\n\n\tconst morphTextures = new WeakMap();\n\tconst morph = new Vector4();\n\n\tfunction update( object, geometry, program ) {\n\n\t\tconst objectInfluences = object.morphTargetInfluences;\n\n\t\t// the following encodes morph targets into an array of data textures. Each layer represents a single morph target.\n\n\t\tconst morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color;\n\t\tconst morphTargetsCount = ( morphAttribute !== undefined ) ? morphAttribute.length : 0;\n\n\t\tlet entry = morphTextures.get( geometry );\n\n\t\tif ( entry === undefined || entry.count !== morphTargetsCount ) {\n\n\t\t\tif ( entry !== undefined ) entry.texture.dispose();\n\n\t\t\tconst hasMorphPosition = geometry.morphAttributes.position !== undefined;\n\t\t\tconst hasMorphNormals = geometry.morphAttributes.normal !== undefined;\n\t\t\tconst hasMorphColors = geometry.morphAttributes.color !== undefined;\n\n\t\t\tconst morphTargets = geometry.morphAttributes.position || [];\n\t\t\tconst morphNormals = geometry.morphAttributes.normal || [];\n\t\t\tconst morphColors = geometry.morphAttributes.color || [];\n\n\t\t\tlet vertexDataCount = 0;\n\n\t\t\tif ( hasMorphPosition === true ) vertexDataCount = 1;\n\t\t\tif ( hasMorphNormals === true ) vertexDataCount = 2;\n\t\t\tif ( hasMorphColors === true ) vertexDataCount = 3;\n\n\t\t\tlet width = geometry.attributes.position.count * vertexDataCount;\n\t\t\tlet height = 1;\n\n\t\t\tif ( width > capabilities.maxTextureSize ) {\n\n\t\t\t\theight = Math.ceil( width / capabilities.maxTextureSize );\n\t\t\t\twidth = capabilities.maxTextureSize;\n\n\t\t\t}\n\n\t\t\tconst buffer = new Float32Array( width * height * 4 * morphTargetsCount );\n\n\t\t\tconst texture = new DataArrayTexture( buffer, width, height, morphTargetsCount );\n\t\t\ttexture.type = FloatType;\n\t\t\ttexture.needsUpdate = true;\n\n\t\t\t// fill buffer\n\n\t\t\tconst vertexDataStride = vertexDataCount * 4;\n\n\t\t\tfor ( let i = 0; i < morphTargetsCount; i ++ ) {\n\n\t\t\t\tconst morphTarget = morphTargets[ i ];\n\t\t\t\tconst morphNormal = morphNormals[ i ];\n\t\t\t\tconst morphColor = morphColors[ i ];\n\n\t\t\t\tconst offset = width * height * 4 * i;\n\n\t\t\t\tfor ( let j = 0; j < morphTarget.count; j ++ ) {\n\n\t\t\t\t\tconst stride = j * vertexDataStride;\n\n\t\t\t\t\tif ( hasMorphPosition === true ) {\n\n\t\t\t\t\t\tmorph.fromBufferAttribute( morphTarget, j );\n\n\t\t\t\t\t\tbuffer[ offset + stride + 0 ] = morph.x;\n\t\t\t\t\t\tbuffer[ offset + stride + 1 ] = morph.y;\n\t\t\t\t\t\tbuffer[ offset + stride + 2 ] = morph.z;\n\t\t\t\t\t\tbuffer[ offset + stride + 3 ] = 0;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( hasMorphNormals === true ) {\n\n\t\t\t\t\t\tmorph.fromBufferAttribute( morphNormal, j );\n\n\t\t\t\t\t\tbuffer[ offset + stride + 4 ] = morph.x;\n\t\t\t\t\t\tbuffer[ offset + stride + 5 ] = morph.y;\n\t\t\t\t\t\tbuffer[ offset + stride + 6 ] = morph.z;\n\t\t\t\t\t\tbuffer[ offset + stride + 7 ] = 0;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( hasMorphColors === true ) {\n\n\t\t\t\t\t\tmorph.fromBufferAttribute( morphColor, j );\n\n\t\t\t\t\t\tbuffer[ offset + stride + 8 ] = morph.x;\n\t\t\t\t\t\tbuffer[ offset + stride + 9 ] = morph.y;\n\t\t\t\t\t\tbuffer[ offset + stride + 10 ] = morph.z;\n\t\t\t\t\t\tbuffer[ offset + stride + 11 ] = ( morphColor.itemSize === 4 ) ? morph.w : 1;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tentry = {\n\t\t\t\tcount: morphTargetsCount,\n\t\t\t\ttexture: texture,\n\t\t\t\tsize: new Vector2( width, height )\n\t\t\t};\n\n\t\t\tmorphTextures.set( geometry, entry );\n\n\t\t\tfunction disposeTexture() {\n\n\t\t\t\ttexture.dispose();\n\n\t\t\t\tmorphTextures.delete( geometry );\n\n\t\t\t\tgeometry.removeEventListener( 'dispose', disposeTexture );\n\n\t\t\t}\n\n\t\t\tgeometry.addEventListener( 'dispose', disposeTexture );\n\n\t\t}\n\n\t\t//\n\t\tif ( object.isInstancedMesh === true && object.morphTexture !== null ) {\n\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTexture', object.morphTexture, textures );\n\n\t\t} else {\n\n\t\t\tlet morphInfluencesSum = 0;\n\n\t\t\tfor ( let i = 0; i < objectInfluences.length; i ++ ) {\n\n\t\t\t\tmorphInfluencesSum += objectInfluences[ i ];\n\n\t\t\t}\n\n\t\t\tconst morphBaseInfluence = geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum;\n\n\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetBaseInfluence', morphBaseInfluence );\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetInfluences', objectInfluences );\n\n\t\t}\n\n\t\tprogram.getUniforms().setValue( gl, 'morphTargetsTexture', entry.texture, textures );\n\t\tprogram.getUniforms().setValue( gl, 'morphTargetsTextureSize', entry.size );\n\n\t}\n\n\treturn {\n\n\t\tupdate: update\n\n\t};\n\n}\n\nfunction WebGLObjects( gl, geometries, attributes, info ) {\n\n\tlet updateMap = new WeakMap();\n\n\tfunction update( object ) {\n\n\t\tconst frame = info.render.frame;\n\n\t\tconst geometry = object.geometry;\n\t\tconst buffergeometry = geometries.get( object, geometry );\n\n\t\t// Update once per frame\n\n\t\tif ( updateMap.get( buffergeometry ) !== frame ) {\n\n\t\t\tgeometries.update( buffergeometry );\n\n\t\t\tupdateMap.set( buffergeometry, frame );\n\n\t\t}\n\n\t\tif ( object.isInstancedMesh ) {\n\n\t\t\tif ( object.hasEventListener( 'dispose', onInstancedMeshDispose ) === false ) {\n\n\t\t\t\tobject.addEventListener( 'dispose', onInstancedMeshDispose );\n\n\t\t\t}\n\n\t\t\tif ( updateMap.get( object ) !== frame ) {\n\n\t\t\t\tattributes.update( object.instanceMatrix, gl.ARRAY_BUFFER );\n\n\t\t\t\tif ( object.instanceColor !== null ) {\n\n\t\t\t\t\tattributes.update( object.instanceColor, gl.ARRAY_BUFFER );\n\n\t\t\t\t}\n\n\t\t\t\tupdateMap.set( object, frame );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\tconst skeleton = object.skeleton;\n\n\t\t\tif ( updateMap.get( skeleton ) !== frame ) {\n\n\t\t\t\tskeleton.update();\n\n\t\t\t\tupdateMap.set( skeleton, frame );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn buffergeometry;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tupdateMap = new WeakMap();\n\n\t}\n\n\tfunction onInstancedMeshDispose( event ) {\n\n\t\tconst instancedMesh = event.target;\n\n\t\tinstancedMesh.removeEventListener( 'dispose', onInstancedMeshDispose );\n\n\t\tattributes.remove( instancedMesh.instanceMatrix );\n\n\t\tif ( instancedMesh.instanceColor !== null ) attributes.remove( instancedMesh.instanceColor );\n\n\t}\n\n\treturn {\n\n\t\tupdate: update,\n\t\tdispose: dispose\n\n\t};\n\n}\n\n/**\n * Uniforms of a program.\n * Those form a tree structure with a special top-level container for the root,\n * which you get by calling 'new WebGLUniforms( gl, program )'.\n *\n *\n * Properties of inner nodes including the top-level container:\n *\n * .seq - array of nested uniforms\n * .map - nested uniforms by name\n *\n *\n * Methods of all nodes except the top-level container:\n *\n * .setValue( gl, value, [textures] )\n *\n * \t\tuploads a uniform value(s)\n * \tthe 'textures' parameter is needed for sampler uniforms\n *\n *\n * Static methods of the top-level container (textures factorizations):\n *\n * .upload( gl, seq, values, textures )\n *\n * \t\tsets uniforms in 'seq' to 'values[id].value'\n *\n * .seqWithValue( seq, values ) : filteredSeq\n *\n * \t\tfilters 'seq' entries with corresponding entry in values\n *\n *\n * Methods of the top-level container (textures factorizations):\n *\n * .setValue( gl, name, value, textures )\n *\n * \t\tsets uniform with name 'name' to 'value'\n *\n * .setOptional( gl, obj, prop )\n *\n * \t\tlike .set for an optional property of the object\n *\n */\n\n\nconst emptyTexture = /*@__PURE__*/ new Texture();\n\nconst emptyShadowTexture = /*@__PURE__*/ new DepthTexture( 1, 1 );\n\nconst emptyArrayTexture = /*@__PURE__*/ new DataArrayTexture();\nconst empty3dTexture = /*@__PURE__*/ new Data3DTexture();\nconst emptyCubeTexture = /*@__PURE__*/ new CubeTexture();\n\n// --- Utilities ---\n\n// Array Caches (provide typed arrays for temporary by size)\n\nconst arrayCacheF32 = [];\nconst arrayCacheI32 = [];\n\n// Float32Array caches used for uploading Matrix uniforms\n\nconst mat4array = new Float32Array( 16 );\nconst mat3array = new Float32Array( 9 );\nconst mat2array = new Float32Array( 4 );\n\n// Flattening for arrays of vectors and matrices\n\nfunction flatten( array, nBlocks, blockSize ) {\n\n\tconst firstElem = array[ 0 ];\n\n\tif ( firstElem <= 0 || firstElem > 0 ) return array;\n\t// unoptimized: ! isNaN( firstElem )\n\t// see http://jacksondunstan.com/articles/983\n\n\tconst n = nBlocks * blockSize;\n\tlet r = arrayCacheF32[ n ];\n\n\tif ( r === undefined ) {\n\n\t\tr = new Float32Array( n );\n\t\tarrayCacheF32[ n ] = r;\n\n\t}\n\n\tif ( nBlocks !== 0 ) {\n\n\t\tfirstElem.toArray( r, 0 );\n\n\t\tfor ( let i = 1, offset = 0; i !== nBlocks; ++ i ) {\n\n\t\t\toffset += blockSize;\n\t\t\tarray[ i ].toArray( r, offset );\n\n\t\t}\n\n\t}\n\n\treturn r;\n\n}\n\nfunction arraysEqual( a, b ) {\n\n\tif ( a.length !== b.length ) return false;\n\n\tfor ( let i = 0, l = a.length; i < l; i ++ ) {\n\n\t\tif ( a[ i ] !== b[ i ] ) return false;\n\n\t}\n\n\treturn true;\n\n}\n\nfunction copyArray( a, b ) {\n\n\tfor ( let i = 0, l = b.length; i < l; i ++ ) {\n\n\t\ta[ i ] = b[ i ];\n\n\t}\n\n}\n\n// Texture unit allocation\n\nfunction allocTexUnits( textures, n ) {\n\n\tlet r = arrayCacheI32[ n ];\n\n\tif ( r === undefined ) {\n\n\t\tr = new Int32Array( n );\n\t\tarrayCacheI32[ n ] = r;\n\n\t}\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\tr[ i ] = textures.allocateTextureUnit();\n\n\t}\n\n\treturn r;\n\n}\n\n// --- Setters ---\n\n// Note: Defining these methods externally, because they come in a bunch\n// and this way their names minify.\n\n// Single scalar\n\nfunction setValueV1f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1f( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single float vector (from flat array or THREE.VectorN)\n\nfunction setValueV2f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y ) {\n\n\t\t\tgl.uniform2f( this.addr, v.x, v.y );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform2fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV3f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z ) {\n\n\t\t\tgl.uniform3f( this.addr, v.x, v.y, v.z );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\n\t\t}\n\n\t} else if ( v.r !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.r || cache[ 1 ] !== v.g || cache[ 2 ] !== v.b ) {\n\n\t\t\tgl.uniform3f( this.addr, v.r, v.g, v.b );\n\n\t\t\tcache[ 0 ] = v.r;\n\t\t\tcache[ 1 ] = v.g;\n\t\t\tcache[ 2 ] = v.b;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform3fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV4f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z || cache[ 3 ] !== v.w ) {\n\n\t\t\tgl.uniform4f( this.addr, v.x, v.y, v.z, v.w );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\t\t\tcache[ 3 ] = v.w;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform4fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\n// Single matrix (from flat array or THREE.MatrixN)\n\nfunction setValueM2( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix2fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat2array.set( elements );\n\n\t\tgl.uniformMatrix2fv( this.addr, false, mat2array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\nfunction setValueM3( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix3fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat3array.set( elements );\n\n\t\tgl.uniformMatrix3fv( this.addr, false, mat3array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\nfunction setValueM4( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix4fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat4array.set( elements );\n\n\t\tgl.uniformMatrix4fv( this.addr, false, mat4array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\n// Single integer / boolean\n\nfunction setValueV1i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1i( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single integer / boolean vector (from flat array or THREE.VectorN)\n\nfunction setValueV2i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y ) {\n\n\t\t\tgl.uniform2i( this.addr, v.x, v.y );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform2iv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV3i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z ) {\n\n\t\t\tgl.uniform3i( this.addr, v.x, v.y, v.z );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform3iv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV4i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z || cache[ 3 ] !== v.w ) {\n\n\t\t\tgl.uniform4i( this.addr, v.x, v.y, v.z, v.w );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\t\t\tcache[ 3 ] = v.w;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform4iv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\n// Single unsigned integer\n\nfunction setValueV1ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1ui( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single unsigned integer vector (from flat array or THREE.VectorN)\n\nfunction setValueV2ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y ) {\n\n\t\t\tgl.uniform2ui( this.addr, v.x, v.y );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform2uiv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV3ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z ) {\n\n\t\t\tgl.uniform3ui( this.addr, v.x, v.y, v.z );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform3uiv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV4ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z || cache[ 3 ] !== v.w ) {\n\n\t\t\tgl.uniform4ui( this.addr, v.x, v.y, v.z, v.w );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\t\t\tcache[ 3 ] = v.w;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform4uiv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\n\n// Single texture (2D / Cube)\n\nfunction setValueT1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\tlet emptyTexture2D;\n\n\tif ( this.type === gl.SAMPLER_2D_SHADOW ) {\n\n\t\temptyShadowTexture.compareFunction = LessEqualCompare; // #28670\n\t\temptyTexture2D = emptyShadowTexture;\n\n\t} else {\n\n\t\temptyTexture2D = emptyTexture;\n\n\t}\n\n\ttextures.setTexture2D( v || emptyTexture2D, unit );\n\n}\n\nfunction setValueT3D1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.setTexture3D( v || empty3dTexture, unit );\n\n}\n\nfunction setValueT6( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.setTextureCube( v || emptyCubeTexture, unit );\n\n}\n\nfunction setValueT2DArray1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.setTexture2DArray( v || emptyArrayTexture, unit );\n\n}\n\n// Helper to pick the right setter for the singular case\n\nfunction getSingularSetter( type ) {\n\n\tswitch ( type ) {\n\n\t\tcase 0x1406: return setValueV1f; // FLOAT\n\t\tcase 0x8b50: return setValueV2f; // _VEC2\n\t\tcase 0x8b51: return setValueV3f; // _VEC3\n\t\tcase 0x8b52: return setValueV4f; // _VEC4\n\n\t\tcase 0x8b5a: return setValueM2; // _MAT2\n\t\tcase 0x8b5b: return setValueM3; // _MAT3\n\t\tcase 0x8b5c: return setValueM4; // _MAT4\n\n\t\tcase 0x1404: case 0x8b56: return setValueV1i; // INT, BOOL\n\t\tcase 0x8b53: case 0x8b57: return setValueV2i; // _VEC2\n\t\tcase 0x8b54: case 0x8b58: return setValueV3i; // _VEC3\n\t\tcase 0x8b55: case 0x8b59: return setValueV4i; // _VEC4\n\n\t\tcase 0x1405: return setValueV1ui; // UINT\n\t\tcase 0x8dc6: return setValueV2ui; // _VEC2\n\t\tcase 0x8dc7: return setValueV3ui; // _VEC3\n\t\tcase 0x8dc8: return setValueV4ui; // _VEC4\n\n\t\tcase 0x8b5e: // SAMPLER_2D\n\t\tcase 0x8d66: // SAMPLER_EXTERNAL_OES\n\t\tcase 0x8dca: // INT_SAMPLER_2D\n\t\tcase 0x8dd2: // UNSIGNED_INT_SAMPLER_2D\n\t\tcase 0x8b62: // SAMPLER_2D_SHADOW\n\t\t\treturn setValueT1;\n\n\t\tcase 0x8b5f: // SAMPLER_3D\n\t\tcase 0x8dcb: // INT_SAMPLER_3D\n\t\tcase 0x8dd3: // UNSIGNED_INT_SAMPLER_3D\n\t\t\treturn setValueT3D1;\n\n\t\tcase 0x8b60: // SAMPLER_CUBE\n\t\tcase 0x8dcc: // INT_SAMPLER_CUBE\n\t\tcase 0x8dd4: // UNSIGNED_INT_SAMPLER_CUBE\n\t\tcase 0x8dc5: // SAMPLER_CUBE_SHADOW\n\t\t\treturn setValueT6;\n\n\t\tcase 0x8dc1: // SAMPLER_2D_ARRAY\n\t\tcase 0x8dcf: // INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dd7: // UNSIGNED_INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dc4: // SAMPLER_2D_ARRAY_SHADOW\n\t\t\treturn setValueT2DArray1;\n\n\t}\n\n}\n\n\n// Array of scalars\n\nfunction setValueV1fArray( gl, v ) {\n\n\tgl.uniform1fv( this.addr, v );\n\n}\n\n// Array of vectors (from flat array or array of THREE.VectorN)\n\nfunction setValueV2fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 2 );\n\n\tgl.uniform2fv( this.addr, data );\n\n}\n\nfunction setValueV3fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 3 );\n\n\tgl.uniform3fv( this.addr, data );\n\n}\n\nfunction setValueV4fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 4 );\n\n\tgl.uniform4fv( this.addr, data );\n\n}\n\n// Array of matrices (from flat array or array of THREE.MatrixN)\n\nfunction setValueM2Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 4 );\n\n\tgl.uniformMatrix2fv( this.addr, false, data );\n\n}\n\nfunction setValueM3Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 9 );\n\n\tgl.uniformMatrix3fv( this.addr, false, data );\n\n}\n\nfunction setValueM4Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 16 );\n\n\tgl.uniformMatrix4fv( this.addr, false, data );\n\n}\n\n// Array of integer / boolean\n\nfunction setValueV1iArray( gl, v ) {\n\n\tgl.uniform1iv( this.addr, v );\n\n}\n\n// Array of integer / boolean vectors (from flat array)\n\nfunction setValueV2iArray( gl, v ) {\n\n\tgl.uniform2iv( this.addr, v );\n\n}\n\nfunction setValueV3iArray( gl, v ) {\n\n\tgl.uniform3iv( this.addr, v );\n\n}\n\nfunction setValueV4iArray( gl, v ) {\n\n\tgl.uniform4iv( this.addr, v );\n\n}\n\n// Array of unsigned integer\n\nfunction setValueV1uiArray( gl, v ) {\n\n\tgl.uniform1uiv( this.addr, v );\n\n}\n\n// Array of unsigned integer vectors (from flat array)\n\nfunction setValueV2uiArray( gl, v ) {\n\n\tgl.uniform2uiv( this.addr, v );\n\n}\n\nfunction setValueV3uiArray( gl, v ) {\n\n\tgl.uniform3uiv( this.addr, v );\n\n}\n\nfunction setValueV4uiArray( gl, v ) {\n\n\tgl.uniform4uiv( this.addr, v );\n\n}\n\n\n// Array of textures (2D / 3D / Cube / 2DArray)\n\nfunction setValueT1Array( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tif ( ! arraysEqual( cache, units ) ) {\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tcopyArray( cache, units );\n\n\t}\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTexture2D( v[ i ] || emptyTexture, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT3DArray( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tif ( ! arraysEqual( cache, units ) ) {\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tcopyArray( cache, units );\n\n\t}\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTexture3D( v[ i ] || empty3dTexture, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT6Array( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tif ( ! arraysEqual( cache, units ) ) {\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tcopyArray( cache, units );\n\n\t}\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTextureCube( v[ i ] || emptyCubeTexture, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT2DArrayArray( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tif ( ! arraysEqual( cache, units ) ) {\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tcopyArray( cache, units );\n\n\t}\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTexture2DArray( v[ i ] || emptyArrayTexture, units[ i ] );\n\n\t}\n\n}\n\n\n// Helper to pick the right setter for a pure (bottom-level) array\n\nfunction getPureArraySetter( type ) {\n\n\tswitch ( type ) {\n\n\t\tcase 0x1406: return setValueV1fArray; // FLOAT\n\t\tcase 0x8b50: return setValueV2fArray; // _VEC2\n\t\tcase 0x8b51: return setValueV3fArray; // _VEC3\n\t\tcase 0x8b52: return setValueV4fArray; // _VEC4\n\n\t\tcase 0x8b5a: return setValueM2Array; // _MAT2\n\t\tcase 0x8b5b: return setValueM3Array; // _MAT3\n\t\tcase 0x8b5c: return setValueM4Array; // _MAT4\n\n\t\tcase 0x1404: case 0x8b56: return setValueV1iArray; // INT, BOOL\n\t\tcase 0x8b53: case 0x8b57: return setValueV2iArray; // _VEC2\n\t\tcase 0x8b54: case 0x8b58: return setValueV3iArray; // _VEC3\n\t\tcase 0x8b55: case 0x8b59: return setValueV4iArray; // _VEC4\n\n\t\tcase 0x1405: return setValueV1uiArray; // UINT\n\t\tcase 0x8dc6: return setValueV2uiArray; // _VEC2\n\t\tcase 0x8dc7: return setValueV3uiArray; // _VEC3\n\t\tcase 0x8dc8: return setValueV4uiArray; // _VEC4\n\n\t\tcase 0x8b5e: // SAMPLER_2D\n\t\tcase 0x8d66: // SAMPLER_EXTERNAL_OES\n\t\tcase 0x8dca: // INT_SAMPLER_2D\n\t\tcase 0x8dd2: // UNSIGNED_INT_SAMPLER_2D\n\t\tcase 0x8b62: // SAMPLER_2D_SHADOW\n\t\t\treturn setValueT1Array;\n\n\t\tcase 0x8b5f: // SAMPLER_3D\n\t\tcase 0x8dcb: // INT_SAMPLER_3D\n\t\tcase 0x8dd3: // UNSIGNED_INT_SAMPLER_3D\n\t\t\treturn setValueT3DArray;\n\n\t\tcase 0x8b60: // SAMPLER_CUBE\n\t\tcase 0x8dcc: // INT_SAMPLER_CUBE\n\t\tcase 0x8dd4: // UNSIGNED_INT_SAMPLER_CUBE\n\t\tcase 0x8dc5: // SAMPLER_CUBE_SHADOW\n\t\t\treturn setValueT6Array;\n\n\t\tcase 0x8dc1: // SAMPLER_2D_ARRAY\n\t\tcase 0x8dcf: // INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dd7: // UNSIGNED_INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dc4: // SAMPLER_2D_ARRAY_SHADOW\n\t\t\treturn setValueT2DArrayArray;\n\n\t}\n\n}\n\n// --- Uniform Classes ---\n\nclass SingleUniform {\n\n\tconstructor( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.cache = [];\n\t\tthis.type = activeInfo.type;\n\t\tthis.setValue = getSingularSetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n}\n\nclass PureArrayUniform {\n\n\tconstructor( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.cache = [];\n\t\tthis.type = activeInfo.type;\n\t\tthis.size = activeInfo.size;\n\t\tthis.setValue = getPureArraySetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n}\n\nclass StructuredUniform {\n\n\tconstructor( id ) {\n\n\t\tthis.id = id;\n\n\t\tthis.seq = [];\n\t\tthis.map = {};\n\n\t}\n\n\tsetValue( gl, value, textures ) {\n\n\t\tconst seq = this.seq;\n\n\t\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tconst u = seq[ i ];\n\t\t\tu.setValue( gl, value[ u.id ], textures );\n\n\t\t}\n\n\t}\n\n}\n\n// --- Top-level ---\n\n// Parser - builds up the property tree from the path strings\n\nconst RePathPart = /(\\w+)(\\])?(\\[|\\.)?/g;\n\n// extracts\n// \t- the identifier (member name or array index)\n// - followed by an optional right bracket (found when array index)\n// - followed by an optional left bracket or dot (type of subscript)\n//\n// Note: These portions can be read in a non-overlapping fashion and\n// allow straightforward parsing of the hierarchy that WebGL encodes\n// in the uniform names.\n\nfunction addUniform( container, uniformObject ) {\n\n\tcontainer.seq.push( uniformObject );\n\tcontainer.map[ uniformObject.id ] = uniformObject;\n\n}\n\nfunction parseUniform( activeInfo, addr, container ) {\n\n\tconst path = activeInfo.name,\n\t\tpathLength = path.length;\n\n\t// reset RegExp object, because of the early exit of a previous run\n\tRePathPart.lastIndex = 0;\n\n\twhile ( true ) {\n\n\t\tconst match = RePathPart.exec( path ),\n\t\t\tmatchEnd = RePathPart.lastIndex;\n\n\t\tlet id = match[ 1 ];\n\t\tconst idIsIndex = match[ 2 ] === ']',\n\t\t\tsubscript = match[ 3 ];\n\n\t\tif ( idIsIndex ) id = id | 0; // convert to integer\n\n\t\tif ( subscript === undefined || subscript === '[' && matchEnd + 2 === pathLength ) {\n\n\t\t\t// bare name or \"pure\" bottom-level array \"[0]\" suffix\n\n\t\t\taddUniform( container, subscript === undefined ?\n\t\t\t\tnew SingleUniform( id, activeInfo, addr ) :\n\t\t\t\tnew PureArrayUniform( id, activeInfo, addr ) );\n\n\t\t\tbreak;\n\n\t\t} else {\n\n\t\t\t// step into inner node / create it in case it doesn't exist\n\n\t\t\tconst map = container.map;\n\t\t\tlet next = map[ id ];\n\n\t\t\tif ( next === undefined ) {\n\n\t\t\t\tnext = new StructuredUniform( id );\n\t\t\t\taddUniform( container, next );\n\n\t\t\t}\n\n\t\t\tcontainer = next;\n\n\t\t}\n\n\t}\n\n}\n\n// Root Container\n\nclass WebGLUniforms {\n\n\tconstructor( gl, program ) {\n\n\t\tthis.seq = [];\n\t\tthis.map = {};\n\n\t\tconst n = gl.getProgramParameter( program, gl.ACTIVE_UNIFORMS );\n\n\t\tfor ( let i = 0; i < n; ++ i ) {\n\n\t\t\tconst info = gl.getActiveUniform( program, i ),\n\t\t\t\taddr = gl.getUniformLocation( program, info.name );\n\n\t\t\tparseUniform( info, addr, this );\n\n\t\t}\n\n\t}\n\n\tsetValue( gl, name, value, textures ) {\n\n\t\tconst u = this.map[ name ];\n\n\t\tif ( u !== undefined ) u.setValue( gl, value, textures );\n\n\t}\n\n\tsetOptional( gl, object, name ) {\n\n\t\tconst v = object[ name ];\n\n\t\tif ( v !== undefined ) this.setValue( gl, name, v );\n\n\t}\n\n\tstatic upload( gl, seq, values, textures ) {\n\n\t\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tconst u = seq[ i ],\n\t\t\t\tv = values[ u.id ];\n\n\t\t\tif ( v.needsUpdate !== false ) {\n\n\t\t\t\t// note: always updating when .needsUpdate is undefined\n\t\t\t\tu.setValue( gl, v.value, textures );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tstatic seqWithValue( seq, values ) {\n\n\t\tconst r = [];\n\n\t\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tconst u = seq[ i ];\n\t\t\tif ( u.id in values ) r.push( u );\n\n\t\t}\n\n\t\treturn r;\n\n\t}\n\n}\n\nfunction WebGLShader( gl, type, string ) {\n\n\tconst shader = gl.createShader( type );\n\n\tgl.shaderSource( shader, string );\n\tgl.compileShader( shader );\n\n\treturn shader;\n\n}\n\n// From https://www.khronos.org/registry/webgl/extensions/KHR_parallel_shader_compile/\nconst COMPLETION_STATUS_KHR = 0x91B1;\n\nlet programIdCount = 0;\n\nfunction handleSource( string, errorLine ) {\n\n\tconst lines = string.split( '\\n' );\n\tconst lines2 = [];\n\n\tconst from = Math.max( errorLine - 6, 0 );\n\tconst to = Math.min( errorLine + 6, lines.length );\n\n\tfor ( let i = from; i < to; i ++ ) {\n\n\t\tconst line = i + 1;\n\t\tlines2.push( `${line === errorLine ? '>' : ' '} ${line}: ${lines[ i ]}` );\n\n\t}\n\n\treturn lines2.join( '\\n' );\n\n}\n\nconst _m0 = /*@__PURE__*/ new Matrix3();\n\nfunction getEncodingComponents( colorSpace ) {\n\n\tColorManagement._getMatrix( _m0, ColorManagement.workingColorSpace, colorSpace );\n\n\tconst encodingMatrix = `mat3( ${ _m0.elements.map( ( v ) => v.toFixed( 4 ) ) } )`;\n\n\tswitch ( ColorManagement.getTransfer( colorSpace ) ) {\n\n\t\tcase LinearTransfer:\n\t\t\treturn [ encodingMatrix, 'LinearTransferOETF' ];\n\n\t\tcase SRGBTransfer:\n\t\t\treturn [ encodingMatrix, 'sRGBTransferOETF' ];\n\n\t\tdefault:\n\t\t\tconsole.warn( 'THREE.WebGLProgram: Unsupported color space: ', colorSpace );\n\t\t\treturn [ encodingMatrix, 'LinearTransferOETF' ];\n\n\t}\n\n}\n\nfunction getShaderErrors( gl, shader, type ) {\n\n\tconst status = gl.getShaderParameter( shader, gl.COMPILE_STATUS );\n\tconst errors = gl.getShaderInfoLog( shader ).trim();\n\n\tif ( status && errors === '' ) return '';\n\n\tconst errorMatches = /ERROR: 0:(\\d+)/.exec( errors );\n\tif ( errorMatches ) {\n\n\t\t// --enable-privileged-webgl-extension\n\t\t// console.log( '**' + type + '**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) );\n\n\t\tconst errorLine = parseInt( errorMatches[ 1 ] );\n\t\treturn type.toUpperCase() + '\\n\\n' + errors + '\\n\\n' + handleSource( gl.getShaderSource( shader ), errorLine );\n\n\t} else {\n\n\t\treturn errors;\n\n\t}\n\n}\n\nfunction getTexelEncodingFunction( functionName, colorSpace ) {\n\n\tconst components = getEncodingComponents( colorSpace );\n\n\treturn [\n\n\t\t`vec4 ${functionName}( vec4 value ) {`,\n\n\t\t`\treturn ${components[ 1 ]}( vec4( value.rgb * ${components[ 0 ]}, value.a ) );`,\n\n\t\t'}',\n\n\t].join( '\\n' );\n\n}\n\nfunction getToneMappingFunction( functionName, toneMapping ) {\n\n\tlet toneMappingName;\n\n\tswitch ( toneMapping ) {\n\n\t\tcase LinearToneMapping:\n\t\t\ttoneMappingName = 'Linear';\n\t\t\tbreak;\n\n\t\tcase ReinhardToneMapping:\n\t\t\ttoneMappingName = 'Reinhard';\n\t\t\tbreak;\n\n\t\tcase CineonToneMapping:\n\t\t\ttoneMappingName = 'Cineon';\n\t\t\tbreak;\n\n\t\tcase ACESFilmicToneMapping:\n\t\t\ttoneMappingName = 'ACESFilmic';\n\t\t\tbreak;\n\n\t\tcase AgXToneMapping:\n\t\t\ttoneMappingName = 'AgX';\n\t\t\tbreak;\n\n\t\tcase NeutralToneMapping:\n\t\t\ttoneMappingName = 'Neutral';\n\t\t\tbreak;\n\n\t\tcase CustomToneMapping:\n\t\t\ttoneMappingName = 'Custom';\n\t\t\tbreak;\n\n\t\tdefault:\n\t\t\tconsole.warn( 'THREE.WebGLProgram: Unsupported toneMapping:', toneMapping );\n\t\t\ttoneMappingName = 'Linear';\n\n\t}\n\n\treturn 'vec3 ' + functionName + '( vec3 color ) { return ' + toneMappingName + 'ToneMapping( color ); }';\n\n}\n\nconst _v0 = /*@__PURE__*/ new Vector3();\n\nfunction getLuminanceFunction() {\n\n\tColorManagement.getLuminanceCoefficients( _v0 );\n\n\tconst r = _v0.x.toFixed( 4 );\n\tconst g = _v0.y.toFixed( 4 );\n\tconst b = _v0.z.toFixed( 4 );\n\n\treturn [\n\n\t\t'float luminance( const in vec3 rgb ) {',\n\n\t\t`\tconst vec3 weights = vec3( ${ r }, ${ g }, ${ b } );`,\n\n\t\t'\treturn dot( weights, rgb );',\n\n\t\t'}'\n\n\t].join( '\\n' );\n\n}\n\nfunction generateVertexExtensions( parameters ) {\n\n\tconst chunks = [\n\t\tparameters.extensionClipCullDistance ? '#extension GL_ANGLE_clip_cull_distance : require' : '',\n\t\tparameters.extensionMultiDraw ? '#extension GL_ANGLE_multi_draw : require' : '',\n\t];\n\n\treturn chunks.filter( filterEmptyLine ).join( '\\n' );\n\n}\n\nfunction generateDefines( defines ) {\n\n\tconst chunks = [];\n\n\tfor ( const name in defines ) {\n\n\t\tconst value = defines[ name ];\n\n\t\tif ( value === false ) continue;\n\n\t\tchunks.push( '#define ' + name + ' ' + value );\n\n\t}\n\n\treturn chunks.join( '\\n' );\n\n}\n\nfunction fetchAttributeLocations( gl, program ) {\n\n\tconst attributes = {};\n\n\tconst n = gl.getProgramParameter( program, gl.ACTIVE_ATTRIBUTES );\n\n\tfor ( let i = 0; i < n; i ++ ) {\n\n\t\tconst info = gl.getActiveAttrib( program, i );\n\t\tconst name = info.name;\n\n\t\tlet locationSize = 1;\n\t\tif ( info.type === gl.FLOAT_MAT2 ) locationSize = 2;\n\t\tif ( info.type === gl.FLOAT_MAT3 ) locationSize = 3;\n\t\tif ( info.type === gl.FLOAT_MAT4 ) locationSize = 4;\n\n\t\t// console.log( 'THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:', name, i );\n\n\t\tattributes[ name ] = {\n\t\t\ttype: info.type,\n\t\t\tlocation: gl.getAttribLocation( program, name ),\n\t\t\tlocationSize: locationSize\n\t\t};\n\n\t}\n\n\treturn attributes;\n\n}\n\nfunction filterEmptyLine( string ) {\n\n\treturn string !== '';\n\n}\n\nfunction replaceLightNums( string, parameters ) {\n\n\tconst numSpotLightCoords = parameters.numSpotLightShadows + parameters.numSpotLightMaps - parameters.numSpotLightShadowsWithMaps;\n\n\treturn string\n\t\t.replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights )\n\t\t.replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights )\n\t\t.replace( /NUM_SPOT_LIGHT_MAPS/g, parameters.numSpotLightMaps )\n\t\t.replace( /NUM_SPOT_LIGHT_COORDS/g, numSpotLightCoords )\n\t\t.replace( /NUM_RECT_AREA_LIGHTS/g, parameters.numRectAreaLights )\n\t\t.replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights )\n\t\t.replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights )\n\t\t.replace( /NUM_DIR_LIGHT_SHADOWS/g, parameters.numDirLightShadows )\n\t\t.replace( /NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS/g, parameters.numSpotLightShadowsWithMaps )\n\t\t.replace( /NUM_SPOT_LIGHT_SHADOWS/g, parameters.numSpotLightShadows )\n\t\t.replace( /NUM_POINT_LIGHT_SHADOWS/g, parameters.numPointLightShadows );\n\n}\n\nfunction replaceClippingPlaneNums( string, parameters ) {\n\n\treturn string\n\t\t.replace( /NUM_CLIPPING_PLANES/g, parameters.numClippingPlanes )\n\t\t.replace( /UNION_CLIPPING_PLANES/g, ( parameters.numClippingPlanes - parameters.numClipIntersection ) );\n\n}\n\n// Resolve Includes\n\nconst includePattern = /^[ \\t]*#include +<([\\w\\d./]+)>/gm;\n\nfunction resolveIncludes( string ) {\n\n\treturn string.replace( includePattern, includeReplacer );\n\n}\n\nconst shaderChunkMap = new Map();\n\nfunction includeReplacer( match, include ) {\n\n\tlet string = ShaderChunk[ include ];\n\n\tif ( string === undefined ) {\n\n\t\tconst newInclude = shaderChunkMap.get( include );\n\n\t\tif ( newInclude !== undefined ) {\n\n\t\t\tstring = ShaderChunk[ newInclude ];\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Shader chunk \"%s\" has been deprecated. Use \"%s\" instead.', include, newInclude );\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'Can not resolve #include <' + include + '>' );\n\n\t\t}\n\n\t}\n\n\treturn resolveIncludes( string );\n\n}\n\n// Unroll Loops\n\nconst unrollLoopPattern = /#pragma unroll_loop_start\\s+for\\s*\\(\\s*int\\s+i\\s*=\\s*(\\d+)\\s*;\\s*i\\s*<\\s*(\\d+)\\s*;\\s*i\\s*\\+\\+\\s*\\)\\s*{([\\s\\S]+?)}\\s+#pragma unroll_loop_end/g;\n\nfunction unrollLoops( string ) {\n\n\treturn string.replace( unrollLoopPattern, loopReplacer );\n\n}\n\nfunction loopReplacer( match, start, end, snippet ) {\n\n\tlet string = '';\n\n\tfor ( let i = parseInt( start ); i < parseInt( end ); i ++ ) {\n\n\t\tstring += snippet\n\t\t\t.replace( /\\[\\s*i\\s*\\]/g, '[ ' + i + ' ]' )\n\t\t\t.replace( /UNROLLED_LOOP_INDEX/g, i );\n\n\t}\n\n\treturn string;\n\n}\n\n//\n\nfunction generatePrecision( parameters ) {\n\n\tlet precisionstring = `precision ${parameters.precision} float;\n\tprecision ${parameters.precision} int;\n\tprecision ${parameters.precision} sampler2D;\n\tprecision ${parameters.precision} samplerCube;\n\tprecision ${parameters.precision} sampler3D;\n\tprecision ${parameters.precision} sampler2DArray;\n\tprecision ${parameters.precision} sampler2DShadow;\n\tprecision ${parameters.precision} samplerCubeShadow;\n\tprecision ${parameters.precision} sampler2DArrayShadow;\n\tprecision ${parameters.precision} isampler2D;\n\tprecision ${parameters.precision} isampler3D;\n\tprecision ${parameters.precision} isamplerCube;\n\tprecision ${parameters.precision} isampler2DArray;\n\tprecision ${parameters.precision} usampler2D;\n\tprecision ${parameters.precision} usampler3D;\n\tprecision ${parameters.precision} usamplerCube;\n\tprecision ${parameters.precision} usampler2DArray;\n\t`;\n\n\tif ( parameters.precision === 'highp' ) {\n\n\t\tprecisionstring += '\\n#define HIGH_PRECISION';\n\n\t} else if ( parameters.precision === 'mediump' ) {\n\n\t\tprecisionstring += '\\n#define MEDIUM_PRECISION';\n\n\t} else if ( parameters.precision === 'lowp' ) {\n\n\t\tprecisionstring += '\\n#define LOW_PRECISION';\n\n\t}\n\n\treturn precisionstring;\n\n}\n\nfunction generateShadowMapTypeDefine( parameters ) {\n\n\tlet shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC';\n\n\tif ( parameters.shadowMapType === PCFShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF';\n\n\t} else if ( parameters.shadowMapType === PCFSoftShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT';\n\n\t} else if ( parameters.shadowMapType === VSMShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_VSM';\n\n\t}\n\n\treturn shadowMapTypeDefine;\n\n}\n\nfunction generateEnvMapTypeDefine( parameters ) {\n\n\tlet envMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.envMapMode ) {\n\n\t\t\tcase CubeReflectionMapping:\n\t\t\tcase CubeRefractionMapping:\n\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\t\t\tbreak;\n\n\t\t\tcase CubeUVReflectionMapping:\n\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapTypeDefine;\n\n}\n\nfunction generateEnvMapModeDefine( parameters ) {\n\n\tlet envMapModeDefine = 'ENVMAP_MODE_REFLECTION';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.envMapMode ) {\n\n\t\t\tcase CubeRefractionMapping:\n\n\t\t\t\tenvMapModeDefine = 'ENVMAP_MODE_REFRACTION';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapModeDefine;\n\n}\n\nfunction generateEnvMapBlendingDefine( parameters ) {\n\n\tlet envMapBlendingDefine = 'ENVMAP_BLENDING_NONE';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.combine ) {\n\n\t\t\tcase MultiplyOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\t\t\t\tbreak;\n\n\t\t\tcase MixOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MIX';\n\t\t\t\tbreak;\n\n\t\t\tcase AddOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_ADD';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapBlendingDefine;\n\n}\n\nfunction generateCubeUVSize( parameters ) {\n\n\tconst imageHeight = parameters.envMapCubeUVHeight;\n\n\tif ( imageHeight === null ) return null;\n\n\tconst maxMip = Math.log2( imageHeight ) - 2;\n\n\tconst texelHeight = 1.0 / imageHeight;\n\n\tconst texelWidth = 1.0 / ( 3 * Math.max( Math.pow( 2, maxMip ), 7 * 16 ) );\n\n\treturn { texelWidth, texelHeight, maxMip };\n\n}\n\nfunction WebGLProgram( renderer, cacheKey, parameters, bindingStates ) {\n\n\t// TODO Send this event to Three.js DevTools\n\t// console.log( 'WebGLProgram', cacheKey );\n\n\tconst gl = renderer.getContext();\n\n\tconst defines = parameters.defines;\n\n\tlet vertexShader = parameters.vertexShader;\n\tlet fragmentShader = parameters.fragmentShader;\n\n\tconst shadowMapTypeDefine = generateShadowMapTypeDefine( parameters );\n\tconst envMapTypeDefine = generateEnvMapTypeDefine( parameters );\n\tconst envMapModeDefine = generateEnvMapModeDefine( parameters );\n\tconst envMapBlendingDefine = generateEnvMapBlendingDefine( parameters );\n\tconst envMapCubeUVSize = generateCubeUVSize( parameters );\n\n\tconst customVertexExtensions = generateVertexExtensions( parameters );\n\n\tconst customDefines = generateDefines( defines );\n\n\tconst program = gl.createProgram();\n\n\tlet prefixVertex, prefixFragment;\n\tlet versionString = parameters.glslVersion ? '#version ' + parameters.glslVersion + '\\n' : '';\n\n\tif ( parameters.isRawShaderMaterial ) {\n\n\t\tprefixVertex = [\n\n\t\t\t'#define SHADER_TYPE ' + parameters.shaderType,\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tif ( prefixVertex.length > 0 ) {\n\n\t\t\tprefixVertex += '\\n';\n\n\t\t}\n\n\t\tprefixFragment = [\n\n\t\t\t'#define SHADER_TYPE ' + parameters.shaderType,\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tif ( prefixFragment.length > 0 ) {\n\n\t\t\tprefixFragment += '\\n';\n\n\t\t}\n\n\t} else {\n\n\t\tprefixVertex = [\n\n\t\t\tgeneratePrecision( parameters ),\n\n\t\t\t'#define SHADER_TYPE ' + parameters.shaderType,\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines,\n\n\t\t\tparameters.extensionClipCullDistance ? '#define USE_CLIP_DISTANCE' : '',\n\t\t\tparameters.batching ? '#define USE_BATCHING' : '',\n\t\t\tparameters.batchingColor ? '#define USE_BATCHING_COLOR' : '',\n\t\t\tparameters.instancing ? '#define USE_INSTANCING' : '',\n\t\t\tparameters.instancingColor ? '#define USE_INSTANCING_COLOR' : '',\n\t\t\tparameters.instancingMorph ? '#define USE_INSTANCING_MORPH' : '',\n\n\t\t\tparameters.useFog && parameters.fog ? '#define USE_FOG' : '',\n\t\t\tparameters.useFog && parameters.fogExp2 ? '#define FOG_EXP2' : '',\n\n\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\tparameters.normalMapObjectSpace ? '#define USE_NORMALMAP_OBJECTSPACE' : '',\n\t\t\tparameters.normalMapTangentSpace ? '#define USE_NORMALMAP_TANGENTSPACE' : '',\n\t\t\tparameters.displacementMap ? '#define USE_DISPLACEMENTMAP' : '',\n\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\n\t\t\tparameters.anisotropy ? '#define USE_ANISOTROPY' : '',\n\t\t\tparameters.anisotropyMap ? '#define USE_ANISOTROPYMAP' : '',\n\n\t\t\tparameters.clearcoatMap ? '#define USE_CLEARCOATMAP' : '',\n\t\t\tparameters.clearcoatRoughnessMap ? '#define USE_CLEARCOAT_ROUGHNESSMAP' : '',\n\t\t\tparameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '',\n\n\t\t\tparameters.iridescenceMap ? '#define USE_IRIDESCENCEMAP' : '',\n\t\t\tparameters.iridescenceThicknessMap ? '#define USE_IRIDESCENCE_THICKNESSMAP' : '',\n\n\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\tparameters.specularColorMap ? '#define USE_SPECULAR_COLORMAP' : '',\n\t\t\tparameters.specularIntensityMap ? '#define USE_SPECULAR_INTENSITYMAP' : '',\n\n\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\tparameters.alphaHash ? '#define USE_ALPHAHASH' : '',\n\n\t\t\tparameters.transmission ? '#define USE_TRANSMISSION' : '',\n\t\t\tparameters.transmissionMap ? '#define USE_TRANSMISSIONMAP' : '',\n\t\t\tparameters.thicknessMap ? '#define USE_THICKNESSMAP' : '',\n\n\t\t\tparameters.sheenColorMap ? '#define USE_SHEEN_COLORMAP' : '',\n\t\t\tparameters.sheenRoughnessMap ? '#define USE_SHEEN_ROUGHNESSMAP' : '',\n\n\t\t\t//\n\n\t\t\tparameters.mapUv ? '#define MAP_UV ' + parameters.mapUv : '',\n\t\t\tparameters.alphaMapUv ? '#define ALPHAMAP_UV ' + parameters.alphaMapUv : '',\n\t\t\tparameters.lightMapUv ? '#define LIGHTMAP_UV ' + parameters.lightMapUv : '',\n\t\t\tparameters.aoMapUv ? '#define AOMAP_UV ' + parameters.aoMapUv : '',\n\t\t\tparameters.emissiveMapUv ? '#define EMISSIVEMAP_UV ' + parameters.emissiveMapUv : '',\n\t\t\tparameters.bumpMapUv ? '#define BUMPMAP_UV ' + parameters.bumpMapUv : '',\n\t\t\tparameters.normalMapUv ? '#define NORMALMAP_UV ' + parameters.normalMapUv : '',\n\t\t\tparameters.displacementMapUv ? '#define DISPLACEMENTMAP_UV ' + parameters.displacementMapUv : '',\n\n\t\t\tparameters.metalnessMapUv ? '#define METALNESSMAP_UV ' + parameters.metalnessMapUv : '',\n\t\t\tparameters.roughnessMapUv ? '#define ROUGHNESSMAP_UV ' + parameters.roughnessMapUv : '',\n\n\t\t\tparameters.anisotropyMapUv ? '#define ANISOTROPYMAP_UV ' + parameters.anisotropyMapUv : '',\n\n\t\t\tparameters.clearcoatMapUv ? '#define CLEARCOATMAP_UV ' + parameters.clearcoatMapUv : '',\n\t\t\tparameters.clearcoatNormalMapUv ? '#define CLEARCOAT_NORMALMAP_UV ' + parameters.clearcoatNormalMapUv : '',\n\t\t\tparameters.clearcoatRoughnessMapUv ? '#define CLEARCOAT_ROUGHNESSMAP_UV ' + parameters.clearcoatRoughnessMapUv : '',\n\n\t\t\tparameters.iridescenceMapUv ? '#define IRIDESCENCEMAP_UV ' + parameters.iridescenceMapUv : '',\n\t\t\tparameters.iridescenceThicknessMapUv ? '#define IRIDESCENCE_THICKNESSMAP_UV ' + parameters.iridescenceThicknessMapUv : '',\n\n\t\t\tparameters.sheenColorMapUv ? '#define SHEEN_COLORMAP_UV ' + parameters.sheenColorMapUv : '',\n\t\t\tparameters.sheenRoughnessMapUv ? '#define SHEEN_ROUGHNESSMAP_UV ' + parameters.sheenRoughnessMapUv : '',\n\n\t\t\tparameters.specularMapUv ? '#define SPECULARMAP_UV ' + parameters.specularMapUv : '',\n\t\t\tparameters.specularColorMapUv ? '#define SPECULAR_COLORMAP_UV ' + parameters.specularColorMapUv : '',\n\t\t\tparameters.specularIntensityMapUv ? '#define SPECULAR_INTENSITYMAP_UV ' + parameters.specularIntensityMapUv : '',\n\n\t\t\tparameters.transmissionMapUv ? '#define TRANSMISSIONMAP_UV ' + parameters.transmissionMapUv : '',\n\t\t\tparameters.thicknessMapUv ? '#define THICKNESSMAP_UV ' + parameters.thicknessMapUv : '',\n\n\t\t\t//\n\n\t\t\tparameters.vertexTangents && parameters.flatShading === false ? '#define USE_TANGENT' : '',\n\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\t\t\tparameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '',\n\t\t\tparameters.vertexUv1s ? '#define USE_UV1' : '',\n\t\t\tparameters.vertexUv2s ? '#define USE_UV2' : '',\n\t\t\tparameters.vertexUv3s ? '#define USE_UV3' : '',\n\n\t\t\tparameters.pointsUvs ? '#define USE_POINTS_UV' : '',\n\n\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\tparameters.skinning ? '#define USE_SKINNING' : '',\n\n\t\t\tparameters.morphTargets ? '#define USE_MORPHTARGETS' : '',\n\t\t\tparameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '',\n\t\t\t( parameters.morphColors ) ? '#define USE_MORPHCOLORS' : '',\n\t\t\t( parameters.morphTargetsCount > 0 ) ? '#define MORPHTARGETS_TEXTURE_STRIDE ' + parameters.morphTextureStride : '',\n\t\t\t( parameters.morphTargetsCount > 0 ) ? '#define MORPHTARGETS_COUNT ' + parameters.morphTargetsCount : '',\n\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\tparameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '',\n\n\t\t\tparameters.numLightProbes > 0 ? '#define USE_LIGHT_PROBES' : '',\n\n\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\tparameters.reverseDepthBuffer ? '#define USE_REVERSEDEPTHBUF' : '',\n\n\t\t\t'uniform mat4 modelMatrix;',\n\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t'uniform mat3 normalMatrix;',\n\t\t\t'uniform vec3 cameraPosition;',\n\t\t\t'uniform bool isOrthographic;',\n\n\t\t\t'#ifdef USE_INSTANCING',\n\n\t\t\t'\tattribute mat4 instanceMatrix;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_INSTANCING_COLOR',\n\n\t\t\t'\tattribute vec3 instanceColor;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_INSTANCING_MORPH',\n\n\t\t\t'\tuniform sampler2D morphTexture;',\n\n\t\t\t'#endif',\n\n\t\t\t'attribute vec3 position;',\n\t\t\t'attribute vec3 normal;',\n\t\t\t'attribute vec2 uv;',\n\n\t\t\t'#ifdef USE_UV1',\n\n\t\t\t'\tattribute vec2 uv1;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_UV2',\n\n\t\t\t'\tattribute vec2 uv2;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_UV3',\n\n\t\t\t'\tattribute vec2 uv3;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_TANGENT',\n\n\t\t\t'\tattribute vec4 tangent;',\n\n\t\t\t'#endif',\n\n\t\t\t'#if defined( USE_COLOR_ALPHA )',\n\n\t\t\t'\tattribute vec4 color;',\n\n\t\t\t'#elif defined( USE_COLOR )',\n\n\t\t\t'\tattribute vec3 color;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_SKINNING',\n\n\t\t\t'\tattribute vec4 skinIndex;',\n\t\t\t'\tattribute vec4 skinWeight;',\n\n\t\t\t'#endif',\n\n\t\t\t'\\n'\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tprefixFragment = [\n\n\t\t\tgeneratePrecision( parameters ),\n\n\t\t\t'#define SHADER_TYPE ' + parameters.shaderType,\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines,\n\n\t\t\tparameters.useFog && parameters.fog ? '#define USE_FOG' : '',\n\t\t\tparameters.useFog && parameters.fogExp2 ? '#define FOG_EXP2' : '',\n\n\t\t\tparameters.alphaToCoverage ? '#define ALPHA_TO_COVERAGE' : '',\n\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\tparameters.matcap ? '#define USE_MATCAP' : '',\n\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\tparameters.envMap ? '#define ' + envMapTypeDefine : '',\n\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\tparameters.envMap ? '#define ' + envMapBlendingDefine : '',\n\t\t\tenvMapCubeUVSize ? '#define CUBEUV_TEXEL_WIDTH ' + envMapCubeUVSize.texelWidth : '',\n\t\t\tenvMapCubeUVSize ? '#define CUBEUV_TEXEL_HEIGHT ' + envMapCubeUVSize.texelHeight : '',\n\t\t\tenvMapCubeUVSize ? '#define CUBEUV_MAX_MIP ' + envMapCubeUVSize.maxMip + '.0' : '',\n\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\tparameters.normalMapObjectSpace ? '#define USE_NORMALMAP_OBJECTSPACE' : '',\n\t\t\tparameters.normalMapTangentSpace ? '#define USE_NORMALMAP_TANGENTSPACE' : '',\n\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\n\t\t\tparameters.anisotropy ? '#define USE_ANISOTROPY' : '',\n\t\t\tparameters.anisotropyMap ? '#define USE_ANISOTROPYMAP' : '',\n\n\t\t\tparameters.clearcoat ? '#define USE_CLEARCOAT' : '',\n\t\t\tparameters.clearcoatMap ? '#define USE_CLEARCOATMAP' : '',\n\t\t\tparameters.clearcoatRoughnessMap ? '#define USE_CLEARCOAT_ROUGHNESSMAP' : '',\n\t\t\tparameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '',\n\n\t\t\tparameters.dispersion ? '#define USE_DISPERSION' : '',\n\n\t\t\tparameters.iridescence ? '#define USE_IRIDESCENCE' : '',\n\t\t\tparameters.iridescenceMap ? '#define USE_IRIDESCENCEMAP' : '',\n\t\t\tparameters.iridescenceThicknessMap ? '#define USE_IRIDESCENCE_THICKNESSMAP' : '',\n\n\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\tparameters.specularColorMap ? '#define USE_SPECULAR_COLORMAP' : '',\n\t\t\tparameters.specularIntensityMap ? '#define USE_SPECULAR_INTENSITYMAP' : '',\n\n\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\n\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\tparameters.alphaTest ? '#define USE_ALPHATEST' : '',\n\t\t\tparameters.alphaHash ? '#define USE_ALPHAHASH' : '',\n\n\t\t\tparameters.sheen ? '#define USE_SHEEN' : '',\n\t\t\tparameters.sheenColorMap ? '#define USE_SHEEN_COLORMAP' : '',\n\t\t\tparameters.sheenRoughnessMap ? '#define USE_SHEEN_ROUGHNESSMAP' : '',\n\n\t\t\tparameters.transmission ? '#define USE_TRANSMISSION' : '',\n\t\t\tparameters.transmissionMap ? '#define USE_TRANSMISSIONMAP' : '',\n\t\t\tparameters.thicknessMap ? '#define USE_THICKNESSMAP' : '',\n\n\t\t\tparameters.vertexTangents && parameters.flatShading === false ? '#define USE_TANGENT' : '',\n\t\t\tparameters.vertexColors || parameters.instancingColor || parameters.batchingColor ? '#define USE_COLOR' : '',\n\t\t\tparameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '',\n\t\t\tparameters.vertexUv1s ? '#define USE_UV1' : '',\n\t\t\tparameters.vertexUv2s ? '#define USE_UV2' : '',\n\t\t\tparameters.vertexUv3s ? '#define USE_UV3' : '',\n\n\t\t\tparameters.pointsUvs ? '#define USE_POINTS_UV' : '',\n\n\t\t\tparameters.gradientMap ? '#define USE_GRADIENTMAP' : '',\n\n\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\tparameters.premultipliedAlpha ? '#define PREMULTIPLIED_ALPHA' : '',\n\n\t\t\tparameters.numLightProbes > 0 ? '#define USE_LIGHT_PROBES' : '',\n\n\t\t\tparameters.decodeVideoTexture ? '#define DECODE_VIDEO_TEXTURE' : '',\n\t\t\tparameters.decodeVideoTextureEmissive ? '#define DECODE_VIDEO_TEXTURE_EMISSIVE' : '',\n\n\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\tparameters.reverseDepthBuffer ? '#define USE_REVERSEDEPTHBUF' : '',\n\n\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t'uniform vec3 cameraPosition;',\n\t\t\t'uniform bool isOrthographic;',\n\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? '#define TONE_MAPPING' : '',\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( 'toneMapping', parameters.toneMapping ) : '',\n\n\t\t\tparameters.dithering ? '#define DITHERING' : '',\n\t\t\tparameters.opaque ? '#define OPAQUE' : '',\n\n\t\t\tShaderChunk[ 'colorspace_pars_fragment' ], // this code is required here because it is used by the various encoding/decoding function defined below\n\t\t\tgetTexelEncodingFunction( 'linearToOutputTexel', parameters.outputColorSpace ),\n\t\t\tgetLuminanceFunction(),\n\n\t\t\tparameters.useDepthPacking ? '#define DEPTH_PACKING ' + parameters.depthPacking : '',\n\n\t\t\t'\\n'\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t}\n\n\tvertexShader = resolveIncludes( vertexShader );\n\tvertexShader = replaceLightNums( vertexShader, parameters );\n\tvertexShader = replaceClippingPlaneNums( vertexShader, parameters );\n\n\tfragmentShader = resolveIncludes( fragmentShader );\n\tfragmentShader = replaceLightNums( fragmentShader, parameters );\n\tfragmentShader = replaceClippingPlaneNums( fragmentShader, parameters );\n\n\tvertexShader = unrollLoops( vertexShader );\n\tfragmentShader = unrollLoops( fragmentShader );\n\n\tif ( parameters.isRawShaderMaterial !== true ) {\n\n\t\t// GLSL 3.0 conversion for built-in materials and ShaderMaterial\n\n\t\tversionString = '#version 300 es\\n';\n\n\t\tprefixVertex = [\n\t\t\tcustomVertexExtensions,\n\t\t\t'#define attribute in',\n\t\t\t'#define varying out',\n\t\t\t'#define texture2D texture'\n\t\t].join( '\\n' ) + '\\n' + prefixVertex;\n\n\t\tprefixFragment = [\n\t\t\t'#define varying in',\n\t\t\t( parameters.glslVersion === GLSL3 ) ? '' : 'layout(location = 0) out highp vec4 pc_fragColor;',\n\t\t\t( parameters.glslVersion === GLSL3 ) ? '' : '#define gl_FragColor pc_fragColor',\n\t\t\t'#define gl_FragDepthEXT gl_FragDepth',\n\t\t\t'#define texture2D texture',\n\t\t\t'#define textureCube texture',\n\t\t\t'#define texture2DProj textureProj',\n\t\t\t'#define texture2DLodEXT textureLod',\n\t\t\t'#define texture2DProjLodEXT textureProjLod',\n\t\t\t'#define textureCubeLodEXT textureLod',\n\t\t\t'#define texture2DGradEXT textureGrad',\n\t\t\t'#define texture2DProjGradEXT textureProjGrad',\n\t\t\t'#define textureCubeGradEXT textureGrad'\n\t\t].join( '\\n' ) + '\\n' + prefixFragment;\n\n\t}\n\n\tconst vertexGlsl = versionString + prefixVertex + vertexShader;\n\tconst fragmentGlsl = versionString + prefixFragment + fragmentShader;\n\n\t// console.log( '*VERTEX*', vertexGlsl );\n\t// console.log( '*FRAGMENT*', fragmentGlsl );\n\n\tconst glVertexShader = WebGLShader( gl, gl.VERTEX_SHADER, vertexGlsl );\n\tconst glFragmentShader = WebGLShader( gl, gl.FRAGMENT_SHADER, fragmentGlsl );\n\n\tgl.attachShader( program, glVertexShader );\n\tgl.attachShader( program, glFragmentShader );\n\n\t// Force a particular attribute to index 0.\n\n\tif ( parameters.index0AttributeName !== undefined ) {\n\n\t\tgl.bindAttribLocation( program, 0, parameters.index0AttributeName );\n\n\t} else if ( parameters.morphTargets === true ) {\n\n\t\t// programs with morphTargets displace position out of attribute 0\n\t\tgl.bindAttribLocation( program, 0, 'position' );\n\n\t}\n\n\tgl.linkProgram( program );\n\n\tfunction onFirstUse( self ) {\n\n\t\t// check for link errors\n\t\tif ( renderer.debug.checkShaderErrors ) {\n\n\t\t\tconst programLog = gl.getProgramInfoLog( program ).trim();\n\t\t\tconst vertexLog = gl.getShaderInfoLog( glVertexShader ).trim();\n\t\t\tconst fragmentLog = gl.getShaderInfoLog( glFragmentShader ).trim();\n\n\t\t\tlet runnable = true;\n\t\t\tlet haveDiagnostics = true;\n\n\t\t\tif ( gl.getProgramParameter( program, gl.LINK_STATUS ) === false ) {\n\n\t\t\t\trunnable = false;\n\n\t\t\t\tif ( typeof renderer.debug.onShaderError === 'function' ) {\n\n\t\t\t\t\trenderer.debug.onShaderError( gl, program, glVertexShader, glFragmentShader );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// default error reporting\n\n\t\t\t\t\tconst vertexErrors = getShaderErrors( gl, glVertexShader, 'vertex' );\n\t\t\t\t\tconst fragmentErrors = getShaderErrors( gl, glFragmentShader, 'fragment' );\n\n\t\t\t\t\tconsole.error(\n\t\t\t\t\t\t'THREE.WebGLProgram: Shader Error ' + gl.getError() + ' - ' +\n\t\t\t\t\t\t'VALIDATE_STATUS ' + gl.getProgramParameter( program, gl.VALIDATE_STATUS ) + '\\n\\n' +\n\t\t\t\t\t\t'Material Name: ' + self.name + '\\n' +\n\t\t\t\t\t\t'Material Type: ' + self.type + '\\n\\n' +\n\t\t\t\t\t\t'Program Info Log: ' + programLog + '\\n' +\n\t\t\t\t\t\tvertexErrors + '\\n' +\n\t\t\t\t\t\tfragmentErrors\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t} else if ( programLog !== '' ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLProgram: Program Info Log:', programLog );\n\n\t\t\t} else if ( vertexLog === '' || fragmentLog === '' ) {\n\n\t\t\t\thaveDiagnostics = false;\n\n\t\t\t}\n\n\t\t\tif ( haveDiagnostics ) {\n\n\t\t\t\tself.diagnostics = {\n\n\t\t\t\t\trunnable: runnable,\n\n\t\t\t\t\tprogramLog: programLog,\n\n\t\t\t\t\tvertexShader: {\n\n\t\t\t\t\t\tlog: vertexLog,\n\t\t\t\t\t\tprefix: prefixVertex\n\n\t\t\t\t\t},\n\n\t\t\t\t\tfragmentShader: {\n\n\t\t\t\t\t\tlog: fragmentLog,\n\t\t\t\t\t\tprefix: prefixFragment\n\n\t\t\t\t\t}\n\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Clean up\n\n\t\t// Crashes in iOS9 and iOS10. #18402\n\t\t// gl.detachShader( program, glVertexShader );\n\t\t// gl.detachShader( program, glFragmentShader );\n\n\t\tgl.deleteShader( glVertexShader );\n\t\tgl.deleteShader( glFragmentShader );\n\n\t\tcachedUniforms = new WebGLUniforms( gl, program );\n\t\tcachedAttributes = fetchAttributeLocations( gl, program );\n\n\t}\n\n\t// set up caching for uniform locations\n\n\tlet cachedUniforms;\n\n\tthis.getUniforms = function () {\n\n\t\tif ( cachedUniforms === undefined ) {\n\n\t\t\t// Populates cachedUniforms and cachedAttributes\n\t\t\tonFirstUse( this );\n\n\t\t}\n\n\t\treturn cachedUniforms;\n\n\t};\n\n\t// set up caching for attribute locations\n\n\tlet cachedAttributes;\n\n\tthis.getAttributes = function () {\n\n\t\tif ( cachedAttributes === undefined ) {\n\n\t\t\t// Populates cachedAttributes and cachedUniforms\n\t\t\tonFirstUse( this );\n\n\t\t}\n\n\t\treturn cachedAttributes;\n\n\t};\n\n\t// indicate when the program is ready to be used. if the KHR_parallel_shader_compile extension isn't supported,\n\t// flag the program as ready immediately. It may cause a stall when it's first used.\n\n\tlet programReady = ( parameters.rendererExtensionParallelShaderCompile === false );\n\n\tthis.isReady = function () {\n\n\t\tif ( programReady === false ) {\n\n\t\t\tprogramReady = gl.getProgramParameter( program, COMPLETION_STATUS_KHR );\n\n\t\t}\n\n\t\treturn programReady;\n\n\t};\n\n\t// free resource\n\n\tthis.destroy = function () {\n\n\t\tbindingStates.releaseStatesOfProgram( this );\n\n\t\tgl.deleteProgram( program );\n\t\tthis.program = undefined;\n\n\t};\n\n\t//\n\n\tthis.type = parameters.shaderType;\n\tthis.name = parameters.shaderName;\n\tthis.id = programIdCount ++;\n\tthis.cacheKey = cacheKey;\n\tthis.usedTimes = 1;\n\tthis.program = program;\n\tthis.vertexShader = glVertexShader;\n\tthis.fragmentShader = glFragmentShader;\n\n\treturn this;\n\n}\n\nlet _id = 0;\n\nclass WebGLShaderCache {\n\n\tconstructor() {\n\n\t\tthis.shaderCache = new Map();\n\t\tthis.materialCache = new Map();\n\n\t}\n\n\tupdate( material ) {\n\n\t\tconst vertexShader = material.vertexShader;\n\t\tconst fragmentShader = material.fragmentShader;\n\n\t\tconst vertexShaderStage = this._getShaderStage( vertexShader );\n\t\tconst fragmentShaderStage = this._getShaderStage( fragmentShader );\n\n\t\tconst materialShaders = this._getShaderCacheForMaterial( material );\n\n\t\tif ( materialShaders.has( vertexShaderStage ) === false ) {\n\n\t\t\tmaterialShaders.add( vertexShaderStage );\n\t\t\tvertexShaderStage.usedTimes ++;\n\n\t\t}\n\n\t\tif ( materialShaders.has( fragmentShaderStage ) === false ) {\n\n\t\t\tmaterialShaders.add( fragmentShaderStage );\n\t\t\tfragmentShaderStage.usedTimes ++;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tremove( material ) {\n\n\t\tconst materialShaders = this.materialCache.get( material );\n\n\t\tfor ( const shaderStage of materialShaders ) {\n\n\t\t\tshaderStage.usedTimes --;\n\n\t\t\tif ( shaderStage.usedTimes === 0 ) this.shaderCache.delete( shaderStage.code );\n\n\t\t}\n\n\t\tthis.materialCache.delete( material );\n\n\t\treturn this;\n\n\t}\n\n\tgetVertexShaderID( material ) {\n\n\t\treturn this._getShaderStage( material.vertexShader ).id;\n\n\t}\n\n\tgetFragmentShaderID( material ) {\n\n\t\treturn this._getShaderStage( material.fragmentShader ).id;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shaderCache.clear();\n\t\tthis.materialCache.clear();\n\n\t}\n\n\t_getShaderCacheForMaterial( material ) {\n\n\t\tconst cache = this.materialCache;\n\t\tlet set = cache.get( material );\n\n\t\tif ( set === undefined ) {\n\n\t\t\tset = new Set();\n\t\t\tcache.set( material, set );\n\n\t\t}\n\n\t\treturn set;\n\n\t}\n\n\t_getShaderStage( code ) {\n\n\t\tconst cache = this.shaderCache;\n\t\tlet stage = cache.get( code );\n\n\t\tif ( stage === undefined ) {\n\n\t\t\tstage = new WebGLShaderStage( code );\n\t\t\tcache.set( code, stage );\n\n\t\t}\n\n\t\treturn stage;\n\n\t}\n\n}\n\nclass WebGLShaderStage {\n\n\tconstructor( code ) {\n\n\t\tthis.id = _id ++;\n\n\t\tthis.code = code;\n\t\tthis.usedTimes = 0;\n\n\t}\n\n}\n\nfunction WebGLPrograms( renderer, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping ) {\n\n\tconst _programLayers = new Layers();\n\tconst _customShaders = new WebGLShaderCache();\n\tconst _activeChannels = new Set();\n\tconst programs = [];\n\n\tconst logarithmicDepthBuffer = capabilities.logarithmicDepthBuffer;\n\tconst SUPPORTS_VERTEX_TEXTURES = capabilities.vertexTextures;\n\n\tlet precision = capabilities.precision;\n\n\tconst shaderIDs = {\n\t\tMeshDepthMaterial: 'depth',\n\t\tMeshDistanceMaterial: 'distanceRGBA',\n\t\tMeshNormalMaterial: 'normal',\n\t\tMeshBasicMaterial: 'basic',\n\t\tMeshLambertMaterial: 'lambert',\n\t\tMeshPhongMaterial: 'phong',\n\t\tMeshToonMaterial: 'toon',\n\t\tMeshStandardMaterial: 'physical',\n\t\tMeshPhysicalMaterial: 'physical',\n\t\tMeshMatcapMaterial: 'matcap',\n\t\tLineBasicMaterial: 'basic',\n\t\tLineDashedMaterial: 'dashed',\n\t\tPointsMaterial: 'points',\n\t\tShadowMaterial: 'shadow',\n\t\tSpriteMaterial: 'sprite'\n\t};\n\n\tfunction getChannel( value ) {\n\n\t\t_activeChannels.add( value );\n\n\t\tif ( value === 0 ) return 'uv';\n\n\t\treturn `uv${ value }`;\n\n\t}\n\n\tfunction getParameters( material, lights, shadows, scene, object ) {\n\n\t\tconst fog = scene.fog;\n\t\tconst geometry = object.geometry;\n\t\tconst environment = material.isMeshStandardMaterial ? scene.environment : null;\n\n\t\tconst envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || environment );\n\t\tconst envMapCubeUVHeight = ( !! envMap ) && ( envMap.mapping === CubeUVReflectionMapping ) ? envMap.image.height : null;\n\n\t\tconst shaderID = shaderIDs[ material.type ];\n\n\t\t// heuristics to create shader parameters according to lights in the scene\n\t\t// (not to blow over maxLights budget)\n\n\t\tif ( material.precision !== null ) {\n\n\t\t\tprecision = capabilities.getMaxPrecision( material.precision );\n\n\t\t\tif ( precision !== material.precision ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tconst morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color;\n\t\tconst morphTargetsCount = ( morphAttribute !== undefined ) ? morphAttribute.length : 0;\n\n\t\tlet morphTextureStride = 0;\n\n\t\tif ( geometry.morphAttributes.position !== undefined ) morphTextureStride = 1;\n\t\tif ( geometry.morphAttributes.normal !== undefined ) morphTextureStride = 2;\n\t\tif ( geometry.morphAttributes.color !== undefined ) morphTextureStride = 3;\n\n\t\t//\n\n\t\tlet vertexShader, fragmentShader;\n\t\tlet customVertexShaderID, customFragmentShaderID;\n\n\t\tif ( shaderID ) {\n\n\t\t\tconst shader = ShaderLib[ shaderID ];\n\n\t\t\tvertexShader = shader.vertexShader;\n\t\t\tfragmentShader = shader.fragmentShader;\n\n\t\t} else {\n\n\t\t\tvertexShader = material.vertexShader;\n\t\t\tfragmentShader = material.fragmentShader;\n\n\t\t\t_customShaders.update( material );\n\n\t\t\tcustomVertexShaderID = _customShaders.getVertexShaderID( material );\n\t\t\tcustomFragmentShaderID = _customShaders.getFragmentShaderID( material );\n\n\t\t}\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\t\tconst reverseDepthBuffer = renderer.state.buffers.depth.getReversed();\n\n\t\tconst IS_INSTANCEDMESH = object.isInstancedMesh === true;\n\t\tconst IS_BATCHEDMESH = object.isBatchedMesh === true;\n\n\t\tconst HAS_MAP = !! material.map;\n\t\tconst HAS_MATCAP = !! material.matcap;\n\t\tconst HAS_ENVMAP = !! envMap;\n\t\tconst HAS_AOMAP = !! material.aoMap;\n\t\tconst HAS_LIGHTMAP = !! material.lightMap;\n\t\tconst HAS_BUMPMAP = !! material.bumpMap;\n\t\tconst HAS_NORMALMAP = !! material.normalMap;\n\t\tconst HAS_DISPLACEMENTMAP = !! material.displacementMap;\n\t\tconst HAS_EMISSIVEMAP = !! material.emissiveMap;\n\n\t\tconst HAS_METALNESSMAP = !! material.metalnessMap;\n\t\tconst HAS_ROUGHNESSMAP = !! material.roughnessMap;\n\n\t\tconst HAS_ANISOTROPY = material.anisotropy > 0;\n\t\tconst HAS_CLEARCOAT = material.clearcoat > 0;\n\t\tconst HAS_DISPERSION = material.dispersion > 0;\n\t\tconst HAS_IRIDESCENCE = material.iridescence > 0;\n\t\tconst HAS_SHEEN = material.sheen > 0;\n\t\tconst HAS_TRANSMISSION = material.transmission > 0;\n\n\t\tconst HAS_ANISOTROPYMAP = HAS_ANISOTROPY && !! material.anisotropyMap;\n\n\t\tconst HAS_CLEARCOATMAP = HAS_CLEARCOAT && !! material.clearcoatMap;\n\t\tconst HAS_CLEARCOAT_NORMALMAP = HAS_CLEARCOAT && !! material.clearcoatNormalMap;\n\t\tconst HAS_CLEARCOAT_ROUGHNESSMAP = HAS_CLEARCOAT && !! material.clearcoatRoughnessMap;\n\n\t\tconst HAS_IRIDESCENCEMAP = HAS_IRIDESCENCE && !! material.iridescenceMap;\n\t\tconst HAS_IRIDESCENCE_THICKNESSMAP = HAS_IRIDESCENCE && !! material.iridescenceThicknessMap;\n\n\t\tconst HAS_SHEEN_COLORMAP = HAS_SHEEN && !! material.sheenColorMap;\n\t\tconst HAS_SHEEN_ROUGHNESSMAP = HAS_SHEEN && !! material.sheenRoughnessMap;\n\n\t\tconst HAS_SPECULARMAP = !! material.specularMap;\n\t\tconst HAS_SPECULAR_COLORMAP = !! material.specularColorMap;\n\t\tconst HAS_SPECULAR_INTENSITYMAP = !! material.specularIntensityMap;\n\n\t\tconst HAS_TRANSMISSIONMAP = HAS_TRANSMISSION && !! material.transmissionMap;\n\t\tconst HAS_THICKNESSMAP = HAS_TRANSMISSION && !! material.thicknessMap;\n\n\t\tconst HAS_GRADIENTMAP = !! material.gradientMap;\n\n\t\tconst HAS_ALPHAMAP = !! material.alphaMap;\n\n\t\tconst HAS_ALPHATEST = material.alphaTest > 0;\n\n\t\tconst HAS_ALPHAHASH = !! material.alphaHash;\n\n\t\tconst HAS_EXTENSIONS = !! material.extensions;\n\n\t\tlet toneMapping = NoToneMapping;\n\n\t\tif ( material.toneMapped ) {\n\n\t\t\tif ( currentRenderTarget === null || currentRenderTarget.isXRRenderTarget === true ) {\n\n\t\t\t\ttoneMapping = renderer.toneMapping;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst parameters = {\n\n\t\t\tshaderID: shaderID,\n\t\t\tshaderType: material.type,\n\t\t\tshaderName: material.name,\n\n\t\t\tvertexShader: vertexShader,\n\t\t\tfragmentShader: fragmentShader,\n\t\t\tdefines: material.defines,\n\n\t\t\tcustomVertexShaderID: customVertexShaderID,\n\t\t\tcustomFragmentShaderID: customFragmentShaderID,\n\n\t\t\tisRawShaderMaterial: material.isRawShaderMaterial === true,\n\t\t\tglslVersion: material.glslVersion,\n\n\t\t\tprecision: precision,\n\n\t\t\tbatching: IS_BATCHEDMESH,\n\t\t\tbatchingColor: IS_BATCHEDMESH && object._colorsTexture !== null,\n\t\t\tinstancing: IS_INSTANCEDMESH,\n\t\t\tinstancingColor: IS_INSTANCEDMESH && object.instanceColor !== null,\n\t\t\tinstancingMorph: IS_INSTANCEDMESH && object.morphTexture !== null,\n\n\t\t\tsupportsVertexTextures: SUPPORTS_VERTEX_TEXTURES,\n\t\t\toutputColorSpace: ( currentRenderTarget === null ) ? renderer.outputColorSpace : ( currentRenderTarget.isXRRenderTarget === true ? currentRenderTarget.texture.colorSpace : LinearSRGBColorSpace ),\n\t\t\talphaToCoverage: !! material.alphaToCoverage,\n\n\t\t\tmap: HAS_MAP,\n\t\t\tmatcap: HAS_MATCAP,\n\t\t\tenvMap: HAS_ENVMAP,\n\t\t\tenvMapMode: HAS_ENVMAP && envMap.mapping,\n\t\t\tenvMapCubeUVHeight: envMapCubeUVHeight,\n\t\t\taoMap: HAS_AOMAP,\n\t\t\tlightMap: HAS_LIGHTMAP,\n\t\t\tbumpMap: HAS_BUMPMAP,\n\t\t\tnormalMap: HAS_NORMALMAP,\n\t\t\tdisplacementMap: SUPPORTS_VERTEX_TEXTURES && HAS_DISPLACEMENTMAP,\n\t\t\temissiveMap: HAS_EMISSIVEMAP,\n\n\t\t\tnormalMapObjectSpace: HAS_NORMALMAP && material.normalMapType === ObjectSpaceNormalMap,\n\t\t\tnormalMapTangentSpace: HAS_NORMALMAP && material.normalMapType === TangentSpaceNormalMap,\n\n\t\t\tmetalnessMap: HAS_METALNESSMAP,\n\t\t\troughnessMap: HAS_ROUGHNESSMAP,\n\n\t\t\tanisotropy: HAS_ANISOTROPY,\n\t\t\tanisotropyMap: HAS_ANISOTROPYMAP,\n\n\t\t\tclearcoat: HAS_CLEARCOAT,\n\t\t\tclearcoatMap: HAS_CLEARCOATMAP,\n\t\t\tclearcoatNormalMap: HAS_CLEARCOAT_NORMALMAP,\n\t\t\tclearcoatRoughnessMap: HAS_CLEARCOAT_ROUGHNESSMAP,\n\n\t\t\tdispersion: HAS_DISPERSION,\n\n\t\t\tiridescence: HAS_IRIDESCENCE,\n\t\t\tiridescenceMap: HAS_IRIDESCENCEMAP,\n\t\t\tiridescenceThicknessMap: HAS_IRIDESCENCE_THICKNESSMAP,\n\n\t\t\tsheen: HAS_SHEEN,\n\t\t\tsheenColorMap: HAS_SHEEN_COLORMAP,\n\t\t\tsheenRoughnessMap: HAS_SHEEN_ROUGHNESSMAP,\n\n\t\t\tspecularMap: HAS_SPECULARMAP,\n\t\t\tspecularColorMap: HAS_SPECULAR_COLORMAP,\n\t\t\tspecularIntensityMap: HAS_SPECULAR_INTENSITYMAP,\n\n\t\t\ttransmission: HAS_TRANSMISSION,\n\t\t\ttransmissionMap: HAS_TRANSMISSIONMAP,\n\t\t\tthicknessMap: HAS_THICKNESSMAP,\n\n\t\t\tgradientMap: HAS_GRADIENTMAP,\n\n\t\t\topaque: material.transparent === false && material.blending === NormalBlending && material.alphaToCoverage === false,\n\n\t\t\talphaMap: HAS_ALPHAMAP,\n\t\t\talphaTest: HAS_ALPHATEST,\n\t\t\talphaHash: HAS_ALPHAHASH,\n\n\t\t\tcombine: material.combine,\n\n\t\t\t//\n\n\t\t\tmapUv: HAS_MAP && getChannel( material.map.channel ),\n\t\t\taoMapUv: HAS_AOMAP && getChannel( material.aoMap.channel ),\n\t\t\tlightMapUv: HAS_LIGHTMAP && getChannel( material.lightMap.channel ),\n\t\t\tbumpMapUv: HAS_BUMPMAP && getChannel( material.bumpMap.channel ),\n\t\t\tnormalMapUv: HAS_NORMALMAP && getChannel( material.normalMap.channel ),\n\t\t\tdisplacementMapUv: HAS_DISPLACEMENTMAP && getChannel( material.displacementMap.channel ),\n\t\t\temissiveMapUv: HAS_EMISSIVEMAP && getChannel( material.emissiveMap.channel ),\n\n\t\t\tmetalnessMapUv: HAS_METALNESSMAP && getChannel( material.metalnessMap.channel ),\n\t\t\troughnessMapUv: HAS_ROUGHNESSMAP && getChannel( material.roughnessMap.channel ),\n\n\t\t\tanisotropyMapUv: HAS_ANISOTROPYMAP && getChannel( material.anisotropyMap.channel ),\n\n\t\t\tclearcoatMapUv: HAS_CLEARCOATMAP && getChannel( material.clearcoatMap.channel ),\n\t\t\tclearcoatNormalMapUv: HAS_CLEARCOAT_NORMALMAP && getChannel( material.clearcoatNormalMap.channel ),\n\t\t\tclearcoatRoughnessMapUv: HAS_CLEARCOAT_ROUGHNESSMAP && getChannel( material.clearcoatRoughnessMap.channel ),\n\n\t\t\tiridescenceMapUv: HAS_IRIDESCENCEMAP && getChannel( material.iridescenceMap.channel ),\n\t\t\tiridescenceThicknessMapUv: HAS_IRIDESCENCE_THICKNESSMAP && getChannel( material.iridescenceThicknessMap.channel ),\n\n\t\t\tsheenColorMapUv: HAS_SHEEN_COLORMAP && getChannel( material.sheenColorMap.channel ),\n\t\t\tsheenRoughnessMapUv: HAS_SHEEN_ROUGHNESSMAP && getChannel( material.sheenRoughnessMap.channel ),\n\n\t\t\tspecularMapUv: HAS_SPECULARMAP && getChannel( material.specularMap.channel ),\n\t\t\tspecularColorMapUv: HAS_SPECULAR_COLORMAP && getChannel( material.specularColorMap.channel ),\n\t\t\tspecularIntensityMapUv: HAS_SPECULAR_INTENSITYMAP && getChannel( material.specularIntensityMap.channel ),\n\n\t\t\ttransmissionMapUv: HAS_TRANSMISSIONMAP && getChannel( material.transmissionMap.channel ),\n\t\t\tthicknessMapUv: HAS_THICKNESSMAP && getChannel( material.thicknessMap.channel ),\n\n\t\t\talphaMapUv: HAS_ALPHAMAP && getChannel( material.alphaMap.channel ),\n\n\t\t\t//\n\n\t\t\tvertexTangents: !! geometry.attributes.tangent && ( HAS_NORMALMAP || HAS_ANISOTROPY ),\n\t\t\tvertexColors: material.vertexColors,\n\t\t\tvertexAlphas: material.vertexColors === true && !! geometry.attributes.color && geometry.attributes.color.itemSize === 4,\n\n\t\t\tpointsUvs: object.isPoints === true && !! geometry.attributes.uv && ( HAS_MAP || HAS_ALPHAMAP ),\n\n\t\t\tfog: !! fog,\n\t\t\tuseFog: material.fog === true,\n\t\t\tfogExp2: ( !! fog && fog.isFogExp2 ),\n\n\t\t\tflatShading: material.flatShading === true,\n\n\t\t\tsizeAttenuation: material.sizeAttenuation === true,\n\t\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\t\t\treverseDepthBuffer: reverseDepthBuffer,\n\n\t\t\tskinning: object.isSkinnedMesh === true,\n\n\t\t\tmorphTargets: geometry.morphAttributes.position !== undefined,\n\t\t\tmorphNormals: geometry.morphAttributes.normal !== undefined,\n\t\t\tmorphColors: geometry.morphAttributes.color !== undefined,\n\t\t\tmorphTargetsCount: morphTargetsCount,\n\t\t\tmorphTextureStride: morphTextureStride,\n\n\t\t\tnumDirLights: lights.directional.length,\n\t\t\tnumPointLights: lights.point.length,\n\t\t\tnumSpotLights: lights.spot.length,\n\t\t\tnumSpotLightMaps: lights.spotLightMap.length,\n\t\t\tnumRectAreaLights: lights.rectArea.length,\n\t\t\tnumHemiLights: lights.hemi.length,\n\n\t\t\tnumDirLightShadows: lights.directionalShadowMap.length,\n\t\t\tnumPointLightShadows: lights.pointShadowMap.length,\n\t\t\tnumSpotLightShadows: lights.spotShadowMap.length,\n\t\t\tnumSpotLightShadowsWithMaps: lights.numSpotLightShadowsWithMaps,\n\n\t\t\tnumLightProbes: lights.numLightProbes,\n\n\t\t\tnumClippingPlanes: clipping.numPlanes,\n\t\t\tnumClipIntersection: clipping.numIntersection,\n\n\t\t\tdithering: material.dithering,\n\n\t\t\tshadowMapEnabled: renderer.shadowMap.enabled && shadows.length > 0,\n\t\t\tshadowMapType: renderer.shadowMap.type,\n\n\t\t\ttoneMapping: toneMapping,\n\n\t\t\tdecodeVideoTexture: HAS_MAP && ( material.map.isVideoTexture === true ) && ( ColorManagement.getTransfer( material.map.colorSpace ) === SRGBTransfer ),\n\t\t\tdecodeVideoTextureEmissive: HAS_EMISSIVEMAP && ( material.emissiveMap.isVideoTexture === true ) && ( ColorManagement.getTransfer( material.emissiveMap.colorSpace ) === SRGBTransfer ),\n\n\t\t\tpremultipliedAlpha: material.premultipliedAlpha,\n\n\t\t\tdoubleSided: material.side === DoubleSide,\n\t\t\tflipSided: material.side === BackSide,\n\n\t\t\tuseDepthPacking: material.depthPacking >= 0,\n\t\t\tdepthPacking: material.depthPacking || 0,\n\n\t\t\tindex0AttributeName: material.index0AttributeName,\n\n\t\t\textensionClipCullDistance: HAS_EXTENSIONS && material.extensions.clipCullDistance === true && extensions.has( 'WEBGL_clip_cull_distance' ),\n\t\t\textensionMultiDraw: ( HAS_EXTENSIONS && material.extensions.multiDraw === true || IS_BATCHEDMESH ) && extensions.has( 'WEBGL_multi_draw' ),\n\n\t\t\trendererExtensionParallelShaderCompile: extensions.has( 'KHR_parallel_shader_compile' ),\n\n\t\t\tcustomProgramCacheKey: material.customProgramCacheKey()\n\n\t\t};\n\n\t\t// the usage of getChannel() determines the active texture channels for this shader\n\n\t\tparameters.vertexUv1s = _activeChannels.has( 1 );\n\t\tparameters.vertexUv2s = _activeChannels.has( 2 );\n\t\tparameters.vertexUv3s = _activeChannels.has( 3 );\n\n\t\t_activeChannels.clear();\n\n\t\treturn parameters;\n\n\t}\n\n\tfunction getProgramCacheKey( parameters ) {\n\n\t\tconst array = [];\n\n\t\tif ( parameters.shaderID ) {\n\n\t\t\tarray.push( parameters.shaderID );\n\n\t\t} else {\n\n\t\t\tarray.push( parameters.customVertexShaderID );\n\t\t\tarray.push( parameters.customFragmentShaderID );\n\n\t\t}\n\n\t\tif ( parameters.defines !== undefined ) {\n\n\t\t\tfor ( const name in parameters.defines ) {\n\n\t\t\t\tarray.push( name );\n\t\t\t\tarray.push( parameters.defines[ name ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( parameters.isRawShaderMaterial === false ) {\n\n\t\t\tgetProgramCacheKeyParameters( array, parameters );\n\t\t\tgetProgramCacheKeyBooleans( array, parameters );\n\t\t\tarray.push( renderer.outputColorSpace );\n\n\t\t}\n\n\t\tarray.push( parameters.customProgramCacheKey );\n\n\t\treturn array.join();\n\n\t}\n\n\tfunction getProgramCacheKeyParameters( array, parameters ) {\n\n\t\tarray.push( parameters.precision );\n\t\tarray.push( parameters.outputColorSpace );\n\t\tarray.push( parameters.envMapMode );\n\t\tarray.push( parameters.envMapCubeUVHeight );\n\t\tarray.push( parameters.mapUv );\n\t\tarray.push( parameters.alphaMapUv );\n\t\tarray.push( parameters.lightMapUv );\n\t\tarray.push( parameters.aoMapUv );\n\t\tarray.push( parameters.bumpMapUv );\n\t\tarray.push( parameters.normalMapUv );\n\t\tarray.push( parameters.displacementMapUv );\n\t\tarray.push( parameters.emissiveMapUv );\n\t\tarray.push( parameters.metalnessMapUv );\n\t\tarray.push( parameters.roughnessMapUv );\n\t\tarray.push( parameters.anisotropyMapUv );\n\t\tarray.push( parameters.clearcoatMapUv );\n\t\tarray.push( parameters.clearcoatNormalMapUv );\n\t\tarray.push( parameters.clearcoatRoughnessMapUv );\n\t\tarray.push( parameters.iridescenceMapUv );\n\t\tarray.push( parameters.iridescenceThicknessMapUv );\n\t\tarray.push( parameters.sheenColorMapUv );\n\t\tarray.push( parameters.sheenRoughnessMapUv );\n\t\tarray.push( parameters.specularMapUv );\n\t\tarray.push( parameters.specularColorMapUv );\n\t\tarray.push( parameters.specularIntensityMapUv );\n\t\tarray.push( parameters.transmissionMapUv );\n\t\tarray.push( parameters.thicknessMapUv );\n\t\tarray.push( parameters.combine );\n\t\tarray.push( parameters.fogExp2 );\n\t\tarray.push( parameters.sizeAttenuation );\n\t\tarray.push( parameters.morphTargetsCount );\n\t\tarray.push( parameters.morphAttributeCount );\n\t\tarray.push( parameters.numDirLights );\n\t\tarray.push( parameters.numPointLights );\n\t\tarray.push( parameters.numSpotLights );\n\t\tarray.push( parameters.numSpotLightMaps );\n\t\tarray.push( parameters.numHemiLights );\n\t\tarray.push( parameters.numRectAreaLights );\n\t\tarray.push( parameters.numDirLightShadows );\n\t\tarray.push( parameters.numPointLightShadows );\n\t\tarray.push( parameters.numSpotLightShadows );\n\t\tarray.push( parameters.numSpotLightShadowsWithMaps );\n\t\tarray.push( parameters.numLightProbes );\n\t\tarray.push( parameters.shadowMapType );\n\t\tarray.push( parameters.toneMapping );\n\t\tarray.push( parameters.numClippingPlanes );\n\t\tarray.push( parameters.numClipIntersection );\n\t\tarray.push( parameters.depthPacking );\n\n\t}\n\n\tfunction getProgramCacheKeyBooleans( array, parameters ) {\n\n\t\t_programLayers.disableAll();\n\n\t\tif ( parameters.supportsVertexTextures )\n\t\t\t_programLayers.enable( 0 );\n\t\tif ( parameters.instancing )\n\t\t\t_programLayers.enable( 1 );\n\t\tif ( parameters.instancingColor )\n\t\t\t_programLayers.enable( 2 );\n\t\tif ( parameters.instancingMorph )\n\t\t\t_programLayers.enable( 3 );\n\t\tif ( parameters.matcap )\n\t\t\t_programLayers.enable( 4 );\n\t\tif ( parameters.envMap )\n\t\t\t_programLayers.enable( 5 );\n\t\tif ( parameters.normalMapObjectSpace )\n\t\t\t_programLayers.enable( 6 );\n\t\tif ( parameters.normalMapTangentSpace )\n\t\t\t_programLayers.enable( 7 );\n\t\tif ( parameters.clearcoat )\n\t\t\t_programLayers.enable( 8 );\n\t\tif ( parameters.iridescence )\n\t\t\t_programLayers.enable( 9 );\n\t\tif ( parameters.alphaTest )\n\t\t\t_programLayers.enable( 10 );\n\t\tif ( parameters.vertexColors )\n\t\t\t_programLayers.enable( 11 );\n\t\tif ( parameters.vertexAlphas )\n\t\t\t_programLayers.enable( 12 );\n\t\tif ( parameters.vertexUv1s )\n\t\t\t_programLayers.enable( 13 );\n\t\tif ( parameters.vertexUv2s )\n\t\t\t_programLayers.enable( 14 );\n\t\tif ( parameters.vertexUv3s )\n\t\t\t_programLayers.enable( 15 );\n\t\tif ( parameters.vertexTangents )\n\t\t\t_programLayers.enable( 16 );\n\t\tif ( parameters.anisotropy )\n\t\t\t_programLayers.enable( 17 );\n\t\tif ( parameters.alphaHash )\n\t\t\t_programLayers.enable( 18 );\n\t\tif ( parameters.batching )\n\t\t\t_programLayers.enable( 19 );\n\t\tif ( parameters.dispersion )\n\t\t\t_programLayers.enable( 20 );\n\t\tif ( parameters.batchingColor )\n\t\t\t_programLayers.enable( 21 );\n\n\t\tarray.push( _programLayers.mask );\n\t\t_programLayers.disableAll();\n\n\t\tif ( parameters.fog )\n\t\t\t_programLayers.enable( 0 );\n\t\tif ( parameters.useFog )\n\t\t\t_programLayers.enable( 1 );\n\t\tif ( parameters.flatShading )\n\t\t\t_programLayers.enable( 2 );\n\t\tif ( parameters.logarithmicDepthBuffer )\n\t\t\t_programLayers.enable( 3 );\n\t\tif ( parameters.reverseDepthBuffer )\n\t\t\t_programLayers.enable( 4 );\n\t\tif ( parameters.skinning )\n\t\t\t_programLayers.enable( 5 );\n\t\tif ( parameters.morphTargets )\n\t\t\t_programLayers.enable( 6 );\n\t\tif ( parameters.morphNormals )\n\t\t\t_programLayers.enable( 7 );\n\t\tif ( parameters.morphColors )\n\t\t\t_programLayers.enable( 8 );\n\t\tif ( parameters.premultipliedAlpha )\n\t\t\t_programLayers.enable( 9 );\n\t\tif ( parameters.shadowMapEnabled )\n\t\t\t_programLayers.enable( 10 );\n\t\tif ( parameters.doubleSided )\n\t\t\t_programLayers.enable( 11 );\n\t\tif ( parameters.flipSided )\n\t\t\t_programLayers.enable( 12 );\n\t\tif ( parameters.useDepthPacking )\n\t\t\t_programLayers.enable( 13 );\n\t\tif ( parameters.dithering )\n\t\t\t_programLayers.enable( 14 );\n\t\tif ( parameters.transmission )\n\t\t\t_programLayers.enable( 15 );\n\t\tif ( parameters.sheen )\n\t\t\t_programLayers.enable( 16 );\n\t\tif ( parameters.opaque )\n\t\t\t_programLayers.enable( 17 );\n\t\tif ( parameters.pointsUvs )\n\t\t\t_programLayers.enable( 18 );\n\t\tif ( parameters.decodeVideoTexture )\n\t\t\t_programLayers.enable( 19 );\n\t\tif ( parameters.decodeVideoTextureEmissive )\n\t\t\t_programLayers.enable( 20 );\n\t\tif ( parameters.alphaToCoverage )\n\t\t\t_programLayers.enable( 21 );\n\n\t\tarray.push( _programLayers.mask );\n\n\t}\n\n\tfunction getUniforms( material ) {\n\n\t\tconst shaderID = shaderIDs[ material.type ];\n\t\tlet uniforms;\n\n\t\tif ( shaderID ) {\n\n\t\t\tconst shader = ShaderLib[ shaderID ];\n\t\t\tuniforms = UniformsUtils.clone( shader.uniforms );\n\n\t\t} else {\n\n\t\t\tuniforms = material.uniforms;\n\n\t\t}\n\n\t\treturn uniforms;\n\n\t}\n\n\tfunction acquireProgram( parameters, cacheKey ) {\n\n\t\tlet program;\n\n\t\t// Check if code has been already compiled\n\t\tfor ( let p = 0, pl = programs.length; p < pl; p ++ ) {\n\n\t\t\tconst preexistingProgram = programs[ p ];\n\n\t\t\tif ( preexistingProgram.cacheKey === cacheKey ) {\n\n\t\t\t\tprogram = preexistingProgram;\n\t\t\t\t++ program.usedTimes;\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( program === undefined ) {\n\n\t\t\tprogram = new WebGLProgram( renderer, cacheKey, parameters, bindingStates );\n\t\t\tprograms.push( program );\n\n\t\t}\n\n\t\treturn program;\n\n\t}\n\n\tfunction releaseProgram( program ) {\n\n\t\tif ( -- program.usedTimes === 0 ) {\n\n\t\t\t// Remove from unordered set\n\t\t\tconst i = programs.indexOf( program );\n\t\t\tprograms[ i ] = programs[ programs.length - 1 ];\n\t\t\tprograms.pop();\n\n\t\t\t// Free WebGL resources\n\t\t\tprogram.destroy();\n\n\t\t}\n\n\t}\n\n\tfunction releaseShaderCache( material ) {\n\n\t\t_customShaders.remove( material );\n\n\t}\n\n\tfunction dispose() {\n\n\t\t_customShaders.dispose();\n\n\t}\n\n\treturn {\n\t\tgetParameters: getParameters,\n\t\tgetProgramCacheKey: getProgramCacheKey,\n\t\tgetUniforms: getUniforms,\n\t\tacquireProgram: acquireProgram,\n\t\treleaseProgram: releaseProgram,\n\t\treleaseShaderCache: releaseShaderCache,\n\t\t// Exposed for resource monitoring & error feedback via renderer.info:\n\t\tprograms: programs,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction WebGLProperties() {\n\n\tlet properties = new WeakMap();\n\n\tfunction has( object ) {\n\n\t\treturn properties.has( object );\n\n\t}\n\n\tfunction get( object ) {\n\n\t\tlet map = properties.get( object );\n\n\t\tif ( map === undefined ) {\n\n\t\t\tmap = {};\n\t\t\tproperties.set( object, map );\n\n\t\t}\n\n\t\treturn map;\n\n\t}\n\n\tfunction remove( object ) {\n\n\t\tproperties.delete( object );\n\n\t}\n\n\tfunction update( object, key, value ) {\n\n\t\tproperties.get( object )[ key ] = value;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tproperties = new WeakMap();\n\n\t}\n\n\treturn {\n\t\thas: has,\n\t\tget: get,\n\t\tremove: remove,\n\t\tupdate: update,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction painterSortStable( a, b ) {\n\n\tif ( a.groupOrder !== b.groupOrder ) {\n\n\t\treturn a.groupOrder - b.groupOrder;\n\n\t} else if ( a.renderOrder !== b.renderOrder ) {\n\n\t\treturn a.renderOrder - b.renderOrder;\n\n\t} else if ( a.material.id !== b.material.id ) {\n\n\t\treturn a.material.id - b.material.id;\n\n\t} else if ( a.z !== b.z ) {\n\n\t\treturn a.z - b.z;\n\n\t} else {\n\n\t\treturn a.id - b.id;\n\n\t}\n\n}\n\nfunction reversePainterSortStable( a, b ) {\n\n\tif ( a.groupOrder !== b.groupOrder ) {\n\n\t\treturn a.groupOrder - b.groupOrder;\n\n\t} else if ( a.renderOrder !== b.renderOrder ) {\n\n\t\treturn a.renderOrder - b.renderOrder;\n\n\t} else if ( a.z !== b.z ) {\n\n\t\treturn b.z - a.z;\n\n\t} else {\n\n\t\treturn a.id - b.id;\n\n\t}\n\n}\n\n\nfunction WebGLRenderList() {\n\n\tconst renderItems = [];\n\tlet renderItemsIndex = 0;\n\n\tconst opaque = [];\n\tconst transmissive = [];\n\tconst transparent = [];\n\n\tfunction init() {\n\n\t\trenderItemsIndex = 0;\n\n\t\topaque.length = 0;\n\t\ttransmissive.length = 0;\n\t\ttransparent.length = 0;\n\n\t}\n\n\tfunction getNextRenderItem( object, geometry, material, groupOrder, z, group ) {\n\n\t\tlet renderItem = renderItems[ renderItemsIndex ];\n\n\t\tif ( renderItem === undefined ) {\n\n\t\t\trenderItem = {\n\t\t\t\tid: object.id,\n\t\t\t\tobject: object,\n\t\t\t\tgeometry: geometry,\n\t\t\t\tmaterial: material,\n\t\t\t\tgroupOrder: groupOrder,\n\t\t\t\trenderOrder: object.renderOrder,\n\t\t\t\tz: z,\n\t\t\t\tgroup: group\n\t\t\t};\n\n\t\t\trenderItems[ renderItemsIndex ] = renderItem;\n\n\t\t} else {\n\n\t\t\trenderItem.id = object.id;\n\t\t\trenderItem.object = object;\n\t\t\trenderItem.geometry = geometry;\n\t\t\trenderItem.material = material;\n\t\t\trenderItem.groupOrder = groupOrder;\n\t\t\trenderItem.renderOrder = object.renderOrder;\n\t\t\trenderItem.z = z;\n\t\t\trenderItem.group = group;\n\n\t\t}\n\n\t\trenderItemsIndex ++;\n\n\t\treturn renderItem;\n\n\t}\n\n\tfunction push( object, geometry, material, groupOrder, z, group ) {\n\n\t\tconst renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group );\n\n\t\tif ( material.transmission > 0.0 ) {\n\n\t\t\ttransmissive.push( renderItem );\n\n\t\t} else if ( material.transparent === true ) {\n\n\t\t\ttransparent.push( renderItem );\n\n\t\t} else {\n\n\t\t\topaque.push( renderItem );\n\n\t\t}\n\n\t}\n\n\tfunction unshift( object, geometry, material, groupOrder, z, group ) {\n\n\t\tconst renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group );\n\n\t\tif ( material.transmission > 0.0 ) {\n\n\t\t\ttransmissive.unshift( renderItem );\n\n\t\t} else if ( material.transparent === true ) {\n\n\t\t\ttransparent.unshift( renderItem );\n\n\t\t} else {\n\n\t\t\topaque.unshift( renderItem );\n\n\t\t}\n\n\t}\n\n\tfunction sort( customOpaqueSort, customTransparentSort ) {\n\n\t\tif ( opaque.length > 1 ) opaque.sort( customOpaqueSort || painterSortStable );\n\t\tif ( transmissive.length > 1 ) transmissive.sort( customTransparentSort || reversePainterSortStable );\n\t\tif ( transparent.length > 1 ) transparent.sort( customTransparentSort || reversePainterSortStable );\n\n\t}\n\n\tfunction finish() {\n\n\t\t// Clear references from inactive renderItems in the list\n\n\t\tfor ( let i = renderItemsIndex, il = renderItems.length; i < il; i ++ ) {\n\n\t\t\tconst renderItem = renderItems[ i ];\n\n\t\t\tif ( renderItem.id === null ) break;\n\n\t\t\trenderItem.id = null;\n\t\t\trenderItem.object = null;\n\t\t\trenderItem.geometry = null;\n\t\t\trenderItem.material = null;\n\t\t\trenderItem.group = null;\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\topaque: opaque,\n\t\ttransmissive: transmissive,\n\t\ttransparent: transparent,\n\n\t\tinit: init,\n\t\tpush: push,\n\t\tunshift: unshift,\n\t\tfinish: finish,\n\n\t\tsort: sort\n\t};\n\n}\n\nfunction WebGLRenderLists() {\n\n\tlet lists = new WeakMap();\n\n\tfunction get( scene, renderCallDepth ) {\n\n\t\tconst listArray = lists.get( scene );\n\t\tlet list;\n\n\t\tif ( listArray === undefined ) {\n\n\t\t\tlist = new WebGLRenderList();\n\t\t\tlists.set( scene, [ list ] );\n\n\t\t} else {\n\n\t\t\tif ( renderCallDepth >= listArray.length ) {\n\n\t\t\t\tlist = new WebGLRenderList();\n\t\t\t\tlistArray.push( list );\n\n\t\t\t} else {\n\n\t\t\t\tlist = listArray[ renderCallDepth ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn list;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tlists = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction UniformsCache() {\n\n\tconst lights = {};\n\n\treturn {\n\n\t\tget: function ( light ) {\n\n\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\treturn lights[ light.id ];\n\n\t\t\t}\n\n\t\t\tlet uniforms;\n\n\t\t\tswitch ( light.type ) {\n\n\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tcolor: new Color()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'SpotLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\tconeCos: 0,\n\t\t\t\t\t\tpenumbraCos: 0,\n\t\t\t\t\t\tdecay: 0\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'PointLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\tdecay: 0\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'HemisphereLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tskyColor: new Color(),\n\t\t\t\t\t\tgroundColor: new Color()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'RectAreaLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\thalfWidth: new Vector3(),\n\t\t\t\t\t\thalfHeight: new Vector3()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\treturn uniforms;\n\n\t\t}\n\n\t};\n\n}\n\nfunction ShadowUniformsCache() {\n\n\tconst lights = {};\n\n\treturn {\n\n\t\tget: function ( light ) {\n\n\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\treturn lights[ light.id ];\n\n\t\t\t}\n\n\t\t\tlet uniforms;\n\n\t\t\tswitch ( light.type ) {\n\n\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowIntensity: 1,\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'SpotLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowIntensity: 1,\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'PointLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowIntensity: 1,\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2(),\n\t\t\t\t\t\tshadowCameraNear: 1,\n\t\t\t\t\t\tshadowCameraFar: 1000\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\t// TODO (abelnation): set RectAreaLight shadow uniforms\n\n\t\t\t}\n\n\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\treturn uniforms;\n\n\t\t}\n\n\t};\n\n}\n\n\n\nlet nextVersion = 0;\n\nfunction shadowCastingAndTexturingLightsFirst( lightA, lightB ) {\n\n\treturn ( lightB.castShadow ? 2 : 0 ) - ( lightA.castShadow ? 2 : 0 ) + ( lightB.map ? 1 : 0 ) - ( lightA.map ? 1 : 0 );\n\n}\n\nfunction WebGLLights( extensions ) {\n\n\tconst cache = new UniformsCache();\n\n\tconst shadowCache = ShadowUniformsCache();\n\n\tconst state = {\n\n\t\tversion: 0,\n\n\t\thash: {\n\t\t\tdirectionalLength: - 1,\n\t\t\tpointLength: - 1,\n\t\t\tspotLength: - 1,\n\t\t\trectAreaLength: - 1,\n\t\t\themiLength: - 1,\n\n\t\t\tnumDirectionalShadows: - 1,\n\t\t\tnumPointShadows: - 1,\n\t\t\tnumSpotShadows: - 1,\n\t\t\tnumSpotMaps: - 1,\n\n\t\t\tnumLightProbes: - 1\n\t\t},\n\n\t\tambient: [ 0, 0, 0 ],\n\t\tprobe: [],\n\t\tdirectional: [],\n\t\tdirectionalShadow: [],\n\t\tdirectionalShadowMap: [],\n\t\tdirectionalShadowMatrix: [],\n\t\tspot: [],\n\t\tspotLightMap: [],\n\t\tspotShadow: [],\n\t\tspotShadowMap: [],\n\t\tspotLightMatrix: [],\n\t\trectArea: [],\n\t\trectAreaLTC1: null,\n\t\trectAreaLTC2: null,\n\t\tpoint: [],\n\t\tpointShadow: [],\n\t\tpointShadowMap: [],\n\t\tpointShadowMatrix: [],\n\t\themi: [],\n\t\tnumSpotLightShadowsWithMaps: 0,\n\t\tnumLightProbes: 0\n\n\t};\n\n\tfor ( let i = 0; i < 9; i ++ ) state.probe.push( new Vector3() );\n\n\tconst vector3 = new Vector3();\n\tconst matrix4 = new Matrix4();\n\tconst matrix42 = new Matrix4();\n\n\tfunction setup( lights ) {\n\n\t\tlet r = 0, g = 0, b = 0;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) state.probe[ i ].set( 0, 0, 0 );\n\n\t\tlet directionalLength = 0;\n\t\tlet pointLength = 0;\n\t\tlet spotLength = 0;\n\t\tlet rectAreaLength = 0;\n\t\tlet hemiLength = 0;\n\n\t\tlet numDirectionalShadows = 0;\n\t\tlet numPointShadows = 0;\n\t\tlet numSpotShadows = 0;\n\t\tlet numSpotMaps = 0;\n\t\tlet numSpotShadowsWithMaps = 0;\n\n\t\tlet numLightProbes = 0;\n\n\t\t// ordering : [shadow casting + map texturing, map texturing, shadow casting, none ]\n\t\tlights.sort( shadowCastingAndTexturingLightsFirst );\n\n\t\tfor ( let i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\n\t\t\tconst color = light.color;\n\t\t\tconst intensity = light.intensity;\n\t\t\tconst distance = light.distance;\n\n\t\t\tconst shadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null;\n\n\t\t\tif ( light.isAmbientLight ) {\n\n\t\t\t\tr += color.r * intensity;\n\t\t\t\tg += color.g * intensity;\n\t\t\t\tb += color.b * intensity;\n\n\t\t\t} else if ( light.isLightProbe ) {\n\n\t\t\t\tfor ( let j = 0; j < 9; j ++ ) {\n\n\t\t\t\t\tstate.probe[ j ].addScaledVector( light.sh.coefficients[ j ], intensity );\n\n\t\t\t\t}\n\n\t\t\t\tnumLightProbes ++;\n\n\t\t\t} else if ( light.isDirectionalLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity );\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowIntensity = shadow.intensity;\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\n\t\t\t\t\tstate.directionalShadow[ directionalLength ] = shadowUniforms;\n\t\t\t\t\tstate.directionalShadowMap[ directionalLength ] = shadowMap;\n\t\t\t\t\tstate.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix;\n\n\t\t\t\t\tnumDirectionalShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.directional[ directionalLength ] = uniforms;\n\n\t\t\t\tdirectionalLength ++;\n\n\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\n\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity );\n\t\t\t\tuniforms.distance = distance;\n\n\t\t\t\tuniforms.coneCos = Math.cos( light.angle );\n\t\t\t\tuniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) );\n\t\t\t\tuniforms.decay = light.decay;\n\n\t\t\t\tstate.spot[ spotLength ] = uniforms;\n\n\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\tif ( light.map ) {\n\n\t\t\t\t\tstate.spotLightMap[ numSpotMaps ] = light.map;\n\t\t\t\t\tnumSpotMaps ++;\n\n\t\t\t\t\t// make sure the lightMatrix is up to date\n\t\t\t\t\t// TODO : do it if required only\n\t\t\t\t\tshadow.updateMatrices( light );\n\n\t\t\t\t\tif ( light.castShadow ) numSpotShadowsWithMaps ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.spotLightMatrix[ spotLength ] = shadow.matrix;\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowIntensity = shadow.intensity;\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\n\t\t\t\t\tstate.spotShadow[ spotLength ] = shadowUniforms;\n\t\t\t\t\tstate.spotShadowMap[ spotLength ] = shadowMap;\n\n\t\t\t\t\tnumSpotShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tspotLength ++;\n\n\t\t\t} else if ( light.isRectAreaLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity );\n\n\t\t\t\tuniforms.halfWidth.set( light.width * 0.5, 0.0, 0.0 );\n\t\t\t\tuniforms.halfHeight.set( 0.0, light.height * 0.5, 0.0 );\n\n\t\t\t\tstate.rectArea[ rectAreaLength ] = uniforms;\n\n\t\t\t\trectAreaLength ++;\n\n\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity );\n\t\t\t\tuniforms.distance = light.distance;\n\t\t\t\tuniforms.decay = light.decay;\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowIntensity = shadow.intensity;\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\t\t\t\t\tshadowUniforms.shadowCameraNear = shadow.camera.near;\n\t\t\t\t\tshadowUniforms.shadowCameraFar = shadow.camera.far;\n\n\t\t\t\t\tstate.pointShadow[ pointLength ] = shadowUniforms;\n\t\t\t\t\tstate.pointShadowMap[ pointLength ] = shadowMap;\n\t\t\t\t\tstate.pointShadowMatrix[ pointLength ] = light.shadow.matrix;\n\n\t\t\t\t\tnumPointShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.point[ pointLength ] = uniforms;\n\n\t\t\t\tpointLength ++;\n\n\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.skyColor.copy( light.color ).multiplyScalar( intensity );\n\t\t\t\tuniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity );\n\n\t\t\t\tstate.hemi[ hemiLength ] = uniforms;\n\n\t\t\t\themiLength ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( rectAreaLength > 0 ) {\n\n\t\t\tif ( extensions.has( 'OES_texture_float_linear' ) === true ) {\n\n\t\t\t\tstate.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1;\n\t\t\t\tstate.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2;\n\n\t\t\t} else {\n\n\t\t\t\tstate.rectAreaLTC1 = UniformsLib.LTC_HALF_1;\n\t\t\t\tstate.rectAreaLTC2 = UniformsLib.LTC_HALF_2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.ambient[ 0 ] = r;\n\t\tstate.ambient[ 1 ] = g;\n\t\tstate.ambient[ 2 ] = b;\n\n\t\tconst hash = state.hash;\n\n\t\tif ( hash.directionalLength !== directionalLength ||\n\t\t\thash.pointLength !== pointLength ||\n\t\t\thash.spotLength !== spotLength ||\n\t\t\thash.rectAreaLength !== rectAreaLength ||\n\t\t\thash.hemiLength !== hemiLength ||\n\t\t\thash.numDirectionalShadows !== numDirectionalShadows ||\n\t\t\thash.numPointShadows !== numPointShadows ||\n\t\t\thash.numSpotShadows !== numSpotShadows ||\n\t\t\thash.numSpotMaps !== numSpotMaps ||\n\t\t\thash.numLightProbes !== numLightProbes ) {\n\n\t\t\tstate.directional.length = directionalLength;\n\t\t\tstate.spot.length = spotLength;\n\t\t\tstate.rectArea.length = rectAreaLength;\n\t\t\tstate.point.length = pointLength;\n\t\t\tstate.hemi.length = hemiLength;\n\n\t\t\tstate.directionalShadow.length = numDirectionalShadows;\n\t\t\tstate.directionalShadowMap.length = numDirectionalShadows;\n\t\t\tstate.pointShadow.length = numPointShadows;\n\t\t\tstate.pointShadowMap.length = numPointShadows;\n\t\t\tstate.spotShadow.length = numSpotShadows;\n\t\t\tstate.spotShadowMap.length = numSpotShadows;\n\t\t\tstate.directionalShadowMatrix.length = numDirectionalShadows;\n\t\t\tstate.pointShadowMatrix.length = numPointShadows;\n\t\t\tstate.spotLightMatrix.length = numSpotShadows + numSpotMaps - numSpotShadowsWithMaps;\n\t\t\tstate.spotLightMap.length = numSpotMaps;\n\t\t\tstate.numSpotLightShadowsWithMaps = numSpotShadowsWithMaps;\n\t\t\tstate.numLightProbes = numLightProbes;\n\n\t\t\thash.directionalLength = directionalLength;\n\t\t\thash.pointLength = pointLength;\n\t\t\thash.spotLength = spotLength;\n\t\t\thash.rectAreaLength = rectAreaLength;\n\t\t\thash.hemiLength = hemiLength;\n\n\t\t\thash.numDirectionalShadows = numDirectionalShadows;\n\t\t\thash.numPointShadows = numPointShadows;\n\t\t\thash.numSpotShadows = numSpotShadows;\n\t\t\thash.numSpotMaps = numSpotMaps;\n\n\t\t\thash.numLightProbes = numLightProbes;\n\n\t\t\tstate.version = nextVersion ++;\n\n\t\t}\n\n\t}\n\n\tfunction setupView( lights, camera ) {\n\n\t\tlet directionalLength = 0;\n\t\tlet pointLength = 0;\n\t\tlet spotLength = 0;\n\t\tlet rectAreaLength = 0;\n\t\tlet hemiLength = 0;\n\n\t\tconst viewMatrix = camera.matrixWorldInverse;\n\n\t\tfor ( let i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\n\t\t\tif ( light.isDirectionalLight ) {\n\n\t\t\t\tconst uniforms = state.directional[ directionalLength ];\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tvector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\tuniforms.direction.sub( vector3 );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\tdirectionalLength ++;\n\n\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\tconst uniforms = state.spot[ spotLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tvector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\tuniforms.direction.sub( vector3 );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\tspotLength ++;\n\n\t\t\t} else if ( light.isRectAreaLight ) {\n\n\t\t\t\tconst uniforms = state.rectArea[ rectAreaLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t// extract local rotation of light to derive width/height half vectors\n\t\t\t\tmatrix42.identity();\n\t\t\t\tmatrix4.copy( light.matrixWorld );\n\t\t\t\tmatrix4.premultiply( viewMatrix );\n\t\t\t\tmatrix42.extractRotation( matrix4 );\n\n\t\t\t\tuniforms.halfWidth.set( light.width * 0.5, 0.0, 0.0 );\n\t\t\t\tuniforms.halfHeight.set( 0.0, light.height * 0.5, 0.0 );\n\n\t\t\t\tuniforms.halfWidth.applyMatrix4( matrix42 );\n\t\t\t\tuniforms.halfHeight.applyMatrix4( matrix42 );\n\n\t\t\t\trectAreaLength ++;\n\n\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\tconst uniforms = state.point[ pointLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\tpointLength ++;\n\n\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\tconst uniforms = state.hemi[ hemiLength ];\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\themiLength ++;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tsetup: setup,\n\t\tsetupView: setupView,\n\t\tstate: state\n\t};\n\n}\n\nfunction WebGLRenderState( extensions ) {\n\n\tconst lights = new WebGLLights( extensions );\n\n\tconst lightsArray = [];\n\tconst shadowsArray = [];\n\n\tfunction init( camera ) {\n\n\t\tstate.camera = camera;\n\n\t\tlightsArray.length = 0;\n\t\tshadowsArray.length = 0;\n\n\t}\n\n\tfunction pushLight( light ) {\n\n\t\tlightsArray.push( light );\n\n\t}\n\n\tfunction pushShadow( shadowLight ) {\n\n\t\tshadowsArray.push( shadowLight );\n\n\t}\n\n\tfunction setupLights() {\n\n\t\tlights.setup( lightsArray );\n\n\t}\n\n\tfunction setupLightsView( camera ) {\n\n\t\tlights.setupView( lightsArray, camera );\n\n\t}\n\n\tconst state = {\n\t\tlightsArray: lightsArray,\n\t\tshadowsArray: shadowsArray,\n\n\t\tcamera: null,\n\n\t\tlights: lights,\n\n\t\ttransmissionRenderTarget: {}\n\t};\n\n\treturn {\n\t\tinit: init,\n\t\tstate: state,\n\t\tsetupLights: setupLights,\n\t\tsetupLightsView: setupLightsView,\n\n\t\tpushLight: pushLight,\n\t\tpushShadow: pushShadow\n\t};\n\n}\n\nfunction WebGLRenderStates( extensions ) {\n\n\tlet renderStates = new WeakMap();\n\n\tfunction get( scene, renderCallDepth = 0 ) {\n\n\t\tconst renderStateArray = renderStates.get( scene );\n\t\tlet renderState;\n\n\t\tif ( renderStateArray === undefined ) {\n\n\t\t\trenderState = new WebGLRenderState( extensions );\n\t\t\trenderStates.set( scene, [ renderState ] );\n\n\t\t} else {\n\n\t\t\tif ( renderCallDepth >= renderStateArray.length ) {\n\n\t\t\t\trenderState = new WebGLRenderState( extensions );\n\t\t\t\trenderStateArray.push( renderState );\n\n\t\t\t} else {\n\n\t\t\t\trenderState = renderStateArray[ renderCallDepth ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn renderState;\n\n\t}\n\n\tfunction dispose() {\n\n\t\trenderStates = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nconst vertex = \"void main() {\\n\\tgl_Position = vec4( position, 1.0 );\\n}\";\n\nconst fragment = \"uniform sampler2D shadow_pass;\\nuniform vec2 resolution;\\nuniform float radius;\\n#include \\nvoid main() {\\n\\tconst float samples = float( VSM_SAMPLES );\\n\\tfloat mean = 0.0;\\n\\tfloat squared_mean = 0.0;\\n\\tfloat uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\\n\\tfloat uvStart = samples <= 1.0 ? 0.0 : - 1.0;\\n\\tfor ( float i = 0.0; i < samples; i ++ ) {\\n\\t\\tfloat uvOffset = uvStart + i * uvStride;\\n\\t\\t#ifdef HORIZONTAL_PASS\\n\\t\\t\\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\\n\\t\\t\\tmean += distribution.x;\\n\\t\\t\\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\\n\\t\\t#else\\n\\t\\t\\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\\n\\t\\t\\tmean += depth;\\n\\t\\t\\tsquared_mean += depth * depth;\\n\\t\\t#endif\\n\\t}\\n\\tmean = mean / samples;\\n\\tsquared_mean = squared_mean / samples;\\n\\tfloat std_dev = sqrt( squared_mean - mean * mean );\\n\\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\\n}\";\n\nfunction WebGLShadowMap( renderer, objects, capabilities ) {\n\n\tlet _frustum = new Frustum();\n\n\tconst _shadowMapSize = new Vector2(),\n\t\t_viewportSize = new Vector2(),\n\n\t\t_viewport = new Vector4(),\n\n\t\t_depthMaterial = new MeshDepthMaterial( { depthPacking: RGBADepthPacking } ),\n\t\t_distanceMaterial = new MeshDistanceMaterial(),\n\n\t\t_materialCache = {},\n\n\t\t_maxTextureSize = capabilities.maxTextureSize;\n\n\tconst shadowSide = { [ FrontSide ]: BackSide, [ BackSide ]: FrontSide, [ DoubleSide ]: DoubleSide };\n\n\tconst shadowMaterialVertical = new ShaderMaterial( {\n\t\tdefines: {\n\t\t\tVSM_SAMPLES: 8\n\t\t},\n\t\tuniforms: {\n\t\t\tshadow_pass: { value: null },\n\t\t\tresolution: { value: new Vector2() },\n\t\t\tradius: { value: 4.0 }\n\t\t},\n\n\t\tvertexShader: vertex,\n\t\tfragmentShader: fragment\n\n\t} );\n\n\tconst shadowMaterialHorizontal = shadowMaterialVertical.clone();\n\tshadowMaterialHorizontal.defines.HORIZONTAL_PASS = 1;\n\n\tconst fullScreenTri = new BufferGeometry();\n\tfullScreenTri.setAttribute(\n\t\t'position',\n\t\tnew BufferAttribute(\n\t\t\tnew Float32Array( [ - 1, - 1, 0.5, 3, - 1, 0.5, - 1, 3, 0.5 ] ),\n\t\t\t3\n\t\t)\n\t);\n\n\tconst fullScreenMesh = new Mesh( fullScreenTri, shadowMaterialVertical );\n\n\tconst scope = this;\n\n\tthis.enabled = false;\n\n\tthis.autoUpdate = true;\n\tthis.needsUpdate = false;\n\n\tthis.type = PCFShadowMap;\n\tlet _previousType = this.type;\n\n\tthis.render = function ( lights, scene, camera ) {\n\n\t\tif ( scope.enabled === false ) return;\n\t\tif ( scope.autoUpdate === false && scope.needsUpdate === false ) return;\n\n\t\tif ( lights.length === 0 ) return;\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\t\tconst activeCubeFace = renderer.getActiveCubeFace();\n\t\tconst activeMipmapLevel = renderer.getActiveMipmapLevel();\n\n\t\tconst _state = renderer.state;\n\n\t\t// Set GL state for depth map.\n\t\t_state.setBlending( NoBlending );\n\t\t_state.buffers.color.setClear( 1, 1, 1, 1 );\n\t\t_state.buffers.depth.setTest( true );\n\t\t_state.setScissorTest( false );\n\n\t\t// check for shadow map type changes\n\n\t\tconst toVSM = ( _previousType !== VSMShadowMap && this.type === VSMShadowMap );\n\t\tconst fromVSM = ( _previousType === VSMShadowMap && this.type !== VSMShadowMap );\n\n\t\t// render depth map\n\n\t\tfor ( let i = 0, il = lights.length; i < il; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\t\t\tconst shadow = light.shadow;\n\n\t\t\tif ( shadow === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tif ( shadow.autoUpdate === false && shadow.needsUpdate === false ) continue;\n\n\t\t\t_shadowMapSize.copy( shadow.mapSize );\n\n\t\t\tconst shadowFrameExtents = shadow.getFrameExtents();\n\n\t\t\t_shadowMapSize.multiply( shadowFrameExtents );\n\n\t\t\t_viewportSize.copy( shadow.mapSize );\n\n\t\t\tif ( _shadowMapSize.x > _maxTextureSize || _shadowMapSize.y > _maxTextureSize ) {\n\n\t\t\t\tif ( _shadowMapSize.x > _maxTextureSize ) {\n\n\t\t\t\t\t_viewportSize.x = Math.floor( _maxTextureSize / shadowFrameExtents.x );\n\t\t\t\t\t_shadowMapSize.x = _viewportSize.x * shadowFrameExtents.x;\n\t\t\t\t\tshadow.mapSize.x = _viewportSize.x;\n\n\t\t\t\t}\n\n\t\t\t\tif ( _shadowMapSize.y > _maxTextureSize ) {\n\n\t\t\t\t\t_viewportSize.y = Math.floor( _maxTextureSize / shadowFrameExtents.y );\n\t\t\t\t\t_shadowMapSize.y = _viewportSize.y * shadowFrameExtents.y;\n\t\t\t\t\tshadow.mapSize.y = _viewportSize.y;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( shadow.map === null || toVSM === true || fromVSM === true ) {\n\n\t\t\t\tconst pars = ( this.type !== VSMShadowMap ) ? { minFilter: NearestFilter, magFilter: NearestFilter } : {};\n\n\t\t\t\tif ( shadow.map !== null ) {\n\n\t\t\t\t\tshadow.map.dispose();\n\n\t\t\t\t}\n\n\t\t\t\tshadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\t\t\t\tshadow.map.texture.name = light.name + '.shadowMap';\n\n\t\t\t\tshadow.camera.updateProjectionMatrix();\n\n\t\t\t}\n\n\t\t\trenderer.setRenderTarget( shadow.map );\n\t\t\trenderer.clear();\n\n\t\t\tconst viewportCount = shadow.getViewportCount();\n\n\t\t\tfor ( let vp = 0; vp < viewportCount; vp ++ ) {\n\n\t\t\t\tconst viewport = shadow.getViewport( vp );\n\n\t\t\t\t_viewport.set(\n\t\t\t\t\t_viewportSize.x * viewport.x,\n\t\t\t\t\t_viewportSize.y * viewport.y,\n\t\t\t\t\t_viewportSize.x * viewport.z,\n\t\t\t\t\t_viewportSize.y * viewport.w\n\t\t\t\t);\n\n\t\t\t\t_state.viewport( _viewport );\n\n\t\t\t\tshadow.updateMatrices( light, vp );\n\n\t\t\t\t_frustum = shadow.getFrustum();\n\n\t\t\t\trenderObject( scene, camera, shadow.camera, light, this.type );\n\n\t\t\t}\n\n\t\t\t// do blur pass for VSM\n\n\t\t\tif ( shadow.isPointLightShadow !== true && this.type === VSMShadowMap ) {\n\n\t\t\t\tVSMPass( shadow, camera );\n\n\t\t\t}\n\n\t\t\tshadow.needsUpdate = false;\n\n\t\t}\n\n\t\t_previousType = this.type;\n\n\t\tscope.needsUpdate = false;\n\n\t\trenderer.setRenderTarget( currentRenderTarget, activeCubeFace, activeMipmapLevel );\n\n\t};\n\n\tfunction VSMPass( shadow, camera ) {\n\n\t\tconst geometry = objects.update( fullScreenMesh );\n\n\t\tif ( shadowMaterialVertical.defines.VSM_SAMPLES !== shadow.blurSamples ) {\n\n\t\t\tshadowMaterialVertical.defines.VSM_SAMPLES = shadow.blurSamples;\n\t\t\tshadowMaterialHorizontal.defines.VSM_SAMPLES = shadow.blurSamples;\n\n\t\t\tshadowMaterialVertical.needsUpdate = true;\n\t\t\tshadowMaterialHorizontal.needsUpdate = true;\n\n\t\t}\n\n\t\tif ( shadow.mapPass === null ) {\n\n\t\t\tshadow.mapPass = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y );\n\n\t\t}\n\n\t\t// vertical pass\n\n\t\tshadowMaterialVertical.uniforms.shadow_pass.value = shadow.map.texture;\n\t\tshadowMaterialVertical.uniforms.resolution.value = shadow.mapSize;\n\t\tshadowMaterialVertical.uniforms.radius.value = shadow.radius;\n\t\trenderer.setRenderTarget( shadow.mapPass );\n\t\trenderer.clear();\n\t\trenderer.renderBufferDirect( camera, null, geometry, shadowMaterialVertical, fullScreenMesh, null );\n\n\t\t// horizontal pass\n\n\t\tshadowMaterialHorizontal.uniforms.shadow_pass.value = shadow.mapPass.texture;\n\t\tshadowMaterialHorizontal.uniforms.resolution.value = shadow.mapSize;\n\t\tshadowMaterialHorizontal.uniforms.radius.value = shadow.radius;\n\t\trenderer.setRenderTarget( shadow.map );\n\t\trenderer.clear();\n\t\trenderer.renderBufferDirect( camera, null, geometry, shadowMaterialHorizontal, fullScreenMesh, null );\n\n\t}\n\n\tfunction getDepthMaterial( object, material, light, type ) {\n\n\t\tlet result = null;\n\n\t\tconst customMaterial = ( light.isPointLight === true ) ? object.customDistanceMaterial : object.customDepthMaterial;\n\n\t\tif ( customMaterial !== undefined ) {\n\n\t\t\tresult = customMaterial;\n\n\t\t} else {\n\n\t\t\tresult = ( light.isPointLight === true ) ? _distanceMaterial : _depthMaterial;\n\n\t\t\tif ( ( renderer.localClippingEnabled && material.clipShadows === true && Array.isArray( material.clippingPlanes ) && material.clippingPlanes.length !== 0 ) ||\n\t\t\t\t( material.displacementMap && material.displacementScale !== 0 ) ||\n\t\t\t\t( material.alphaMap && material.alphaTest > 0 ) ||\n\t\t\t\t( material.map && material.alphaTest > 0 ) ) {\n\n\t\t\t\t// in this case we need a unique material instance reflecting the\n\t\t\t\t// appropriate state\n\n\t\t\t\tconst keyA = result.uuid, keyB = material.uuid;\n\n\t\t\t\tlet materialsForVariant = _materialCache[ keyA ];\n\n\t\t\t\tif ( materialsForVariant === undefined ) {\n\n\t\t\t\t\tmaterialsForVariant = {};\n\t\t\t\t\t_materialCache[ keyA ] = materialsForVariant;\n\n\t\t\t\t}\n\n\t\t\t\tlet cachedMaterial = materialsForVariant[ keyB ];\n\n\t\t\t\tif ( cachedMaterial === undefined ) {\n\n\t\t\t\t\tcachedMaterial = result.clone();\n\t\t\t\t\tmaterialsForVariant[ keyB ] = cachedMaterial;\n\t\t\t\t\tmaterial.addEventListener( 'dispose', onMaterialDispose );\n\n\t\t\t\t}\n\n\t\t\t\tresult = cachedMaterial;\n\n\t\t\t}\n\n\t\t}\n\n\t\tresult.visible = material.visible;\n\t\tresult.wireframe = material.wireframe;\n\n\t\tif ( type === VSMShadowMap ) {\n\n\t\t\tresult.side = ( material.shadowSide !== null ) ? material.shadowSide : material.side;\n\n\t\t} else {\n\n\t\t\tresult.side = ( material.shadowSide !== null ) ? material.shadowSide : shadowSide[ material.side ];\n\n\t\t}\n\n\t\tresult.alphaMap = material.alphaMap;\n\t\tresult.alphaTest = material.alphaTest;\n\t\tresult.map = material.map;\n\n\t\tresult.clipShadows = material.clipShadows;\n\t\tresult.clippingPlanes = material.clippingPlanes;\n\t\tresult.clipIntersection = material.clipIntersection;\n\n\t\tresult.displacementMap = material.displacementMap;\n\t\tresult.displacementScale = material.displacementScale;\n\t\tresult.displacementBias = material.displacementBias;\n\n\t\tresult.wireframeLinewidth = material.wireframeLinewidth;\n\t\tresult.linewidth = material.linewidth;\n\n\t\tif ( light.isPointLight === true && result.isMeshDistanceMaterial === true ) {\n\n\t\t\tconst materialProperties = renderer.properties.get( result );\n\t\t\tmaterialProperties.light = light;\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n\tfunction renderObject( object, camera, shadowCamera, light, type ) {\n\n\t\tif ( object.visible === false ) return;\n\n\t\tconst visible = object.layers.test( camera.layers );\n\n\t\tif ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) {\n\n\t\t\tif ( ( object.castShadow || ( object.receiveShadow && type === VSMShadowMap ) ) && ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) ) {\n\n\t\t\t\tobject.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld );\n\n\t\t\t\tconst geometry = objects.update( object );\n\t\t\t\tconst material = object.material;\n\n\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\tconst groups = geometry.groups;\n\n\t\t\t\t\tfor ( let k = 0, kl = groups.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\tconst group = groups[ k ];\n\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\tif ( groupMaterial && groupMaterial.visible ) {\n\n\t\t\t\t\t\t\tconst depthMaterial = getDepthMaterial( object, groupMaterial, light, type );\n\n\t\t\t\t\t\t\tobject.onBeforeShadow( renderer, object, camera, shadowCamera, geometry, depthMaterial, group );\n\n\t\t\t\t\t\t\trenderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group );\n\n\t\t\t\t\t\t\tobject.onAfterShadow( renderer, object, camera, shadowCamera, geometry, depthMaterial, group );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( material.visible ) {\n\n\t\t\t\t\tconst depthMaterial = getDepthMaterial( object, material, light, type );\n\n\t\t\t\t\tobject.onBeforeShadow( renderer, object, camera, shadowCamera, geometry, depthMaterial, null );\n\n\t\t\t\t\trenderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null );\n\n\t\t\t\t\tobject.onAfterShadow( renderer, object, camera, shadowCamera, geometry, depthMaterial, null );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\trenderObject( children[ i ], camera, shadowCamera, light, type );\n\n\t\t}\n\n\t}\n\n\tfunction onMaterialDispose( event ) {\n\n\t\tconst material = event.target;\n\n\t\tmaterial.removeEventListener( 'dispose', onMaterialDispose );\n\n\t\t// make sure to remove the unique distance/depth materials used for shadow map rendering\n\n\t\tfor ( const id in _materialCache ) {\n\n\t\t\tconst cache = _materialCache[ id ];\n\n\t\t\tconst uuid = event.target.uuid;\n\n\t\t\tif ( uuid in cache ) {\n\n\t\t\t\tconst shadowMaterial = cache[ uuid ];\n\t\t\t\tshadowMaterial.dispose();\n\t\t\t\tdelete cache[ uuid ];\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nconst reversedFuncs = {\n\t[ NeverDepth ]: AlwaysDepth,\n\t[ LessDepth ]: GreaterDepth,\n\t[ EqualDepth ]: NotEqualDepth,\n\t[ LessEqualDepth ]: GreaterEqualDepth,\n\n\t[ AlwaysDepth ]: NeverDepth,\n\t[ GreaterDepth ]: LessDepth,\n\t[ NotEqualDepth ]: EqualDepth,\n\t[ GreaterEqualDepth ]: LessEqualDepth,\n};\n\nfunction WebGLState( gl, extensions ) {\n\n\tfunction ColorBuffer() {\n\n\t\tlet locked = false;\n\n\t\tconst color = new Vector4();\n\t\tlet currentColorMask = null;\n\t\tconst currentColorClear = new Vector4( 0, 0, 0, 0 );\n\n\t\treturn {\n\n\t\t\tsetMask: function ( colorMask ) {\n\n\t\t\t\tif ( currentColorMask !== colorMask && ! locked ) {\n\n\t\t\t\t\tgl.colorMask( colorMask, colorMask, colorMask, colorMask );\n\t\t\t\t\tcurrentColorMask = colorMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( r, g, b, a, premultipliedAlpha ) {\n\n\t\t\t\tif ( premultipliedAlpha === true ) {\n\n\t\t\t\t\tr *= a; g *= a; b *= a;\n\n\t\t\t\t}\n\n\t\t\t\tcolor.set( r, g, b, a );\n\n\t\t\t\tif ( currentColorClear.equals( color ) === false ) {\n\n\t\t\t\t\tgl.clearColor( r, g, b, a );\n\t\t\t\t\tcurrentColorClear.copy( color );\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentColorMask = null;\n\t\t\t\tcurrentColorClear.set( - 1, 0, 0, 0 ); // set to invalid state\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tfunction DepthBuffer() {\n\n\t\tlet locked = false;\n\t\tlet reversed = false;\n\n\t\tlet currentDepthMask = null;\n\t\tlet currentDepthFunc = null;\n\t\tlet currentDepthClear = null;\n\n\t\treturn {\n\n\t\t\tsetReversed: function ( value ) {\n\n\t\t\t\tif ( reversed !== value ) {\n\n\t\t\t\t\tconst ext = extensions.get( 'EXT_clip_control' );\n\n\t\t\t\t\tif ( reversed ) {\n\n\t\t\t\t\t\text.clipControlEXT( ext.LOWER_LEFT_EXT, ext.ZERO_TO_ONE_EXT );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\text.clipControlEXT( ext.LOWER_LEFT_EXT, ext.NEGATIVE_ONE_TO_ONE_EXT );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst oldDepth = currentDepthClear;\n\t\t\t\t\tcurrentDepthClear = null;\n\t\t\t\t\tthis.setClear( oldDepth );\n\n\t\t\t\t}\n\n\t\t\t\treversed = value;\n\n\t\t\t},\n\n\t\t\tgetReversed: function () {\n\n\t\t\t\treturn reversed;\n\n\t\t\t},\n\n\t\t\tsetTest: function ( depthTest ) {\n\n\t\t\t\tif ( depthTest ) {\n\n\t\t\t\t\tenable( gl.DEPTH_TEST );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tdisable( gl.DEPTH_TEST );\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetMask: function ( depthMask ) {\n\n\t\t\t\tif ( currentDepthMask !== depthMask && ! locked ) {\n\n\t\t\t\t\tgl.depthMask( depthMask );\n\t\t\t\t\tcurrentDepthMask = depthMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetFunc: function ( depthFunc ) {\n\n\t\t\t\tif ( reversed ) depthFunc = reversedFuncs[ depthFunc ];\n\n\t\t\t\tif ( currentDepthFunc !== depthFunc ) {\n\n\t\t\t\t\tswitch ( depthFunc ) {\n\n\t\t\t\t\t\tcase NeverDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.NEVER );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase AlwaysDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.ALWAYS );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase LessDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.LESS );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase LessEqualDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase EqualDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.EQUAL );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase GreaterEqualDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.GEQUAL );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase GreaterDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.GREATER );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase NotEqualDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.NOTEQUAL );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcurrentDepthFunc = depthFunc;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( depth ) {\n\n\t\t\t\tif ( currentDepthClear !== depth ) {\n\n\t\t\t\t\tif ( reversed ) {\n\n\t\t\t\t\t\tdepth = 1 - depth;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tgl.clearDepth( depth );\n\t\t\t\t\tcurrentDepthClear = depth;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentDepthMask = null;\n\t\t\t\tcurrentDepthFunc = null;\n\t\t\t\tcurrentDepthClear = null;\n\t\t\t\treversed = false;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tfunction StencilBuffer() {\n\n\t\tlet locked = false;\n\n\t\tlet currentStencilMask = null;\n\t\tlet currentStencilFunc = null;\n\t\tlet currentStencilRef = null;\n\t\tlet currentStencilFuncMask = null;\n\t\tlet currentStencilFail = null;\n\t\tlet currentStencilZFail = null;\n\t\tlet currentStencilZPass = null;\n\t\tlet currentStencilClear = null;\n\n\t\treturn {\n\n\t\t\tsetTest: function ( stencilTest ) {\n\n\t\t\t\tif ( ! locked ) {\n\n\t\t\t\t\tif ( stencilTest ) {\n\n\t\t\t\t\t\tenable( gl.STENCIL_TEST );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( gl.STENCIL_TEST );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetMask: function ( stencilMask ) {\n\n\t\t\t\tif ( currentStencilMask !== stencilMask && ! locked ) {\n\n\t\t\t\t\tgl.stencilMask( stencilMask );\n\t\t\t\t\tcurrentStencilMask = stencilMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetFunc: function ( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\t\tif ( currentStencilFunc !== stencilFunc ||\n\t\t\t\t currentStencilRef !== stencilRef ||\n\t\t\t\t currentStencilFuncMask !== stencilMask ) {\n\n\t\t\t\t\tgl.stencilFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t\t\t\tcurrentStencilFunc = stencilFunc;\n\t\t\t\t\tcurrentStencilRef = stencilRef;\n\t\t\t\t\tcurrentStencilFuncMask = stencilMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetOp: function ( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\t\tif ( currentStencilFail !== stencilFail ||\n\t\t\t\t currentStencilZFail !== stencilZFail ||\n\t\t\t\t currentStencilZPass !== stencilZPass ) {\n\n\t\t\t\t\tgl.stencilOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t\t\t\tcurrentStencilFail = stencilFail;\n\t\t\t\t\tcurrentStencilZFail = stencilZFail;\n\t\t\t\t\tcurrentStencilZPass = stencilZPass;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( stencil ) {\n\n\t\t\t\tif ( currentStencilClear !== stencil ) {\n\n\t\t\t\t\tgl.clearStencil( stencil );\n\t\t\t\t\tcurrentStencilClear = stencil;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentStencilMask = null;\n\t\t\t\tcurrentStencilFunc = null;\n\t\t\t\tcurrentStencilRef = null;\n\t\t\t\tcurrentStencilFuncMask = null;\n\t\t\t\tcurrentStencilFail = null;\n\t\t\t\tcurrentStencilZFail = null;\n\t\t\t\tcurrentStencilZPass = null;\n\t\t\t\tcurrentStencilClear = null;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t//\n\n\tconst colorBuffer = new ColorBuffer();\n\tconst depthBuffer = new DepthBuffer();\n\tconst stencilBuffer = new StencilBuffer();\n\n\tconst uboBindings = new WeakMap();\n\tconst uboProgramMap = new WeakMap();\n\n\tlet enabledCapabilities = {};\n\n\tlet currentBoundFramebuffers = {};\n\tlet currentDrawbuffers = new WeakMap();\n\tlet defaultDrawbuffers = [];\n\n\tlet currentProgram = null;\n\n\tlet currentBlendingEnabled = false;\n\tlet currentBlending = null;\n\tlet currentBlendEquation = null;\n\tlet currentBlendSrc = null;\n\tlet currentBlendDst = null;\n\tlet currentBlendEquationAlpha = null;\n\tlet currentBlendSrcAlpha = null;\n\tlet currentBlendDstAlpha = null;\n\tlet currentBlendColor = new Color( 0, 0, 0 );\n\tlet currentBlendAlpha = 0;\n\tlet currentPremultipledAlpha = false;\n\n\tlet currentFlipSided = null;\n\tlet currentCullFace = null;\n\n\tlet currentLineWidth = null;\n\n\tlet currentPolygonOffsetFactor = null;\n\tlet currentPolygonOffsetUnits = null;\n\n\tconst maxTextures = gl.getParameter( gl.MAX_COMBINED_TEXTURE_IMAGE_UNITS );\n\n\tlet lineWidthAvailable = false;\n\tlet version = 0;\n\tconst glVersion = gl.getParameter( gl.VERSION );\n\n\tif ( glVersion.indexOf( 'WebGL' ) !== - 1 ) {\n\n\t\tversion = parseFloat( /^WebGL (\\d)/.exec( glVersion )[ 1 ] );\n\t\tlineWidthAvailable = ( version >= 1.0 );\n\n\t} else if ( glVersion.indexOf( 'OpenGL ES' ) !== - 1 ) {\n\n\t\tversion = parseFloat( /^OpenGL ES (\\d)/.exec( glVersion )[ 1 ] );\n\t\tlineWidthAvailable = ( version >= 2.0 );\n\n\t}\n\n\tlet currentTextureSlot = null;\n\tlet currentBoundTextures = {};\n\n\tconst scissorParam = gl.getParameter( gl.SCISSOR_BOX );\n\tconst viewportParam = gl.getParameter( gl.VIEWPORT );\n\n\tconst currentScissor = new Vector4().fromArray( scissorParam );\n\tconst currentViewport = new Vector4().fromArray( viewportParam );\n\n\tfunction createTexture( type, target, count, dimensions ) {\n\n\t\tconst data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4.\n\t\tconst texture = gl.createTexture();\n\n\t\tgl.bindTexture( type, texture );\n\t\tgl.texParameteri( type, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\t\tgl.texParameteri( type, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tif ( type === gl.TEXTURE_3D || type === gl.TEXTURE_2D_ARRAY ) {\n\n\t\t\t\tgl.texImage3D( target, 0, gl.RGBA, 1, 1, dimensions, 0, gl.RGBA, gl.UNSIGNED_BYTE, data );\n\n\t\t\t} else {\n\n\t\t\t\tgl.texImage2D( target + i, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, data );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tconst emptyTextures = {};\n\temptyTextures[ gl.TEXTURE_2D ] = createTexture( gl.TEXTURE_2D, gl.TEXTURE_2D, 1 );\n\temptyTextures[ gl.TEXTURE_CUBE_MAP ] = createTexture( gl.TEXTURE_CUBE_MAP, gl.TEXTURE_CUBE_MAP_POSITIVE_X, 6 );\n\temptyTextures[ gl.TEXTURE_2D_ARRAY ] = createTexture( gl.TEXTURE_2D_ARRAY, gl.TEXTURE_2D_ARRAY, 1, 1 );\n\temptyTextures[ gl.TEXTURE_3D ] = createTexture( gl.TEXTURE_3D, gl.TEXTURE_3D, 1, 1 );\n\n\t// init\n\n\tcolorBuffer.setClear( 0, 0, 0, 1 );\n\tdepthBuffer.setClear( 1 );\n\tstencilBuffer.setClear( 0 );\n\n\tenable( gl.DEPTH_TEST );\n\tdepthBuffer.setFunc( LessEqualDepth );\n\n\tsetFlipSided( false );\n\tsetCullFace( CullFaceBack );\n\tenable( gl.CULL_FACE );\n\n\tsetBlending( NoBlending );\n\n\t//\n\n\tfunction enable( id ) {\n\n\t\tif ( enabledCapabilities[ id ] !== true ) {\n\n\t\t\tgl.enable( id );\n\t\t\tenabledCapabilities[ id ] = true;\n\n\t\t}\n\n\t}\n\n\tfunction disable( id ) {\n\n\t\tif ( enabledCapabilities[ id ] !== false ) {\n\n\t\t\tgl.disable( id );\n\t\t\tenabledCapabilities[ id ] = false;\n\n\t\t}\n\n\t}\n\n\tfunction bindFramebuffer( target, framebuffer ) {\n\n\t\tif ( currentBoundFramebuffers[ target ] !== framebuffer ) {\n\n\t\t\tgl.bindFramebuffer( target, framebuffer );\n\n\t\t\tcurrentBoundFramebuffers[ target ] = framebuffer;\n\n\t\t\t// gl.DRAW_FRAMEBUFFER is equivalent to gl.FRAMEBUFFER\n\n\t\t\tif ( target === gl.DRAW_FRAMEBUFFER ) {\n\n\t\t\t\tcurrentBoundFramebuffers[ gl.FRAMEBUFFER ] = framebuffer;\n\n\t\t\t}\n\n\t\t\tif ( target === gl.FRAMEBUFFER ) {\n\n\t\t\t\tcurrentBoundFramebuffers[ gl.DRAW_FRAMEBUFFER ] = framebuffer;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tfunction drawBuffers( renderTarget, framebuffer ) {\n\n\t\tlet drawBuffers = defaultDrawbuffers;\n\n\t\tlet needsUpdate = false;\n\n\t\tif ( renderTarget ) {\n\n\t\t\tdrawBuffers = currentDrawbuffers.get( framebuffer );\n\n\t\t\tif ( drawBuffers === undefined ) {\n\n\t\t\t\tdrawBuffers = [];\n\t\t\t\tcurrentDrawbuffers.set( framebuffer, drawBuffers );\n\n\t\t\t}\n\n\t\t\tconst textures = renderTarget.textures;\n\n\t\t\tif ( drawBuffers.length !== textures.length || drawBuffers[ 0 ] !== gl.COLOR_ATTACHMENT0 ) {\n\n\t\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\t\tdrawBuffers[ i ] = gl.COLOR_ATTACHMENT0 + i;\n\n\t\t\t\t}\n\n\t\t\t\tdrawBuffers.length = textures.length;\n\n\t\t\t\tneedsUpdate = true;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tif ( drawBuffers[ 0 ] !== gl.BACK ) {\n\n\t\t\t\tdrawBuffers[ 0 ] = gl.BACK;\n\n\t\t\t\tneedsUpdate = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( needsUpdate ) {\n\n\t\t\tgl.drawBuffers( drawBuffers );\n\n\t\t}\n\n\t}\n\n\tfunction useProgram( program ) {\n\n\t\tif ( currentProgram !== program ) {\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tcurrentProgram = program;\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tconst equationToGL = {\n\t\t[ AddEquation ]: gl.FUNC_ADD,\n\t\t[ SubtractEquation ]: gl.FUNC_SUBTRACT,\n\t\t[ ReverseSubtractEquation ]: gl.FUNC_REVERSE_SUBTRACT\n\t};\n\n\tequationToGL[ MinEquation ] = gl.MIN;\n\tequationToGL[ MaxEquation ] = gl.MAX;\n\n\tconst factorToGL = {\n\t\t[ ZeroFactor ]: gl.ZERO,\n\t\t[ OneFactor ]: gl.ONE,\n\t\t[ SrcColorFactor ]: gl.SRC_COLOR,\n\t\t[ SrcAlphaFactor ]: gl.SRC_ALPHA,\n\t\t[ SrcAlphaSaturateFactor ]: gl.SRC_ALPHA_SATURATE,\n\t\t[ DstColorFactor ]: gl.DST_COLOR,\n\t\t[ DstAlphaFactor ]: gl.DST_ALPHA,\n\t\t[ OneMinusSrcColorFactor ]: gl.ONE_MINUS_SRC_COLOR,\n\t\t[ OneMinusSrcAlphaFactor ]: gl.ONE_MINUS_SRC_ALPHA,\n\t\t[ OneMinusDstColorFactor ]: gl.ONE_MINUS_DST_COLOR,\n\t\t[ OneMinusDstAlphaFactor ]: gl.ONE_MINUS_DST_ALPHA,\n\t\t[ ConstantColorFactor ]: gl.CONSTANT_COLOR,\n\t\t[ OneMinusConstantColorFactor ]: gl.ONE_MINUS_CONSTANT_COLOR,\n\t\t[ ConstantAlphaFactor ]: gl.CONSTANT_ALPHA,\n\t\t[ OneMinusConstantAlphaFactor ]: gl.ONE_MINUS_CONSTANT_ALPHA\n\t};\n\n\tfunction setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, blendColor, blendAlpha, premultipliedAlpha ) {\n\n\t\tif ( blending === NoBlending ) {\n\n\t\t\tif ( currentBlendingEnabled === true ) {\n\n\t\t\t\tdisable( gl.BLEND );\n\t\t\t\tcurrentBlendingEnabled = false;\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( currentBlendingEnabled === false ) {\n\n\t\t\tenable( gl.BLEND );\n\t\t\tcurrentBlendingEnabled = true;\n\n\t\t}\n\n\t\tif ( blending !== CustomBlending ) {\n\n\t\t\tif ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) {\n\n\t\t\t\tif ( currentBlendEquation !== AddEquation || currentBlendEquationAlpha !== AddEquation ) {\n\n\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\n\t\t\t\t\tcurrentBlendEquation = AddEquation;\n\t\t\t\t\tcurrentBlendEquationAlpha = AddEquation;\n\n\t\t\t\t}\n\n\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\tswitch ( blending ) {\n\n\t\t\t\t\t\tcase NormalBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( gl.ONE, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase AdditiveBlending:\n\t\t\t\t\t\t\tgl.blendFunc( gl.ONE, gl.ONE );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase SubtractiveBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ZERO, gl.ONE );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase MultiplyBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.SRC_COLOR, gl.ZERO, gl.SRC_ALPHA );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.error( 'THREE.WebGLState: Invalid blending: ', blending );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tswitch ( blending ) {\n\n\t\t\t\t\t\tcase NormalBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase AdditiveBlending:\n\t\t\t\t\t\t\tgl.blendFunc( gl.SRC_ALPHA, gl.ONE );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase SubtractiveBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ZERO, gl.ONE );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase MultiplyBlending:\n\t\t\t\t\t\t\tgl.blendFunc( gl.ZERO, gl.SRC_COLOR );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.error( 'THREE.WebGLState: Invalid blending: ', blending );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tcurrentBlendSrc = null;\n\t\t\t\tcurrentBlendDst = null;\n\t\t\t\tcurrentBlendSrcAlpha = null;\n\t\t\t\tcurrentBlendDstAlpha = null;\n\t\t\t\tcurrentBlendColor.set( 0, 0, 0 );\n\t\t\t\tcurrentBlendAlpha = 0;\n\n\t\t\t\tcurrentBlending = blending;\n\t\t\t\tcurrentPremultipledAlpha = premultipliedAlpha;\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t// custom blending\n\n\t\tblendEquationAlpha = blendEquationAlpha || blendEquation;\n\t\tblendSrcAlpha = blendSrcAlpha || blendSrc;\n\t\tblendDstAlpha = blendDstAlpha || blendDst;\n\n\t\tif ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) {\n\n\t\t\tgl.blendEquationSeparate( equationToGL[ blendEquation ], equationToGL[ blendEquationAlpha ] );\n\n\t\t\tcurrentBlendEquation = blendEquation;\n\t\t\tcurrentBlendEquationAlpha = blendEquationAlpha;\n\n\t\t}\n\n\t\tif ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) {\n\n\t\t\tgl.blendFuncSeparate( factorToGL[ blendSrc ], factorToGL[ blendDst ], factorToGL[ blendSrcAlpha ], factorToGL[ blendDstAlpha ] );\n\n\t\t\tcurrentBlendSrc = blendSrc;\n\t\t\tcurrentBlendDst = blendDst;\n\t\t\tcurrentBlendSrcAlpha = blendSrcAlpha;\n\t\t\tcurrentBlendDstAlpha = blendDstAlpha;\n\n\t\t}\n\n\t\tif ( blendColor.equals( currentBlendColor ) === false || blendAlpha !== currentBlendAlpha ) {\n\n\t\t\tgl.blendColor( blendColor.r, blendColor.g, blendColor.b, blendAlpha );\n\n\t\t\tcurrentBlendColor.copy( blendColor );\n\t\t\tcurrentBlendAlpha = blendAlpha;\n\n\t\t}\n\n\t\tcurrentBlending = blending;\n\t\tcurrentPremultipledAlpha = false;\n\n\t}\n\n\tfunction setMaterial( material, frontFaceCW ) {\n\n\t\tmaterial.side === DoubleSide\n\t\t\t? disable( gl.CULL_FACE )\n\t\t\t: enable( gl.CULL_FACE );\n\n\t\tlet flipSided = ( material.side === BackSide );\n\t\tif ( frontFaceCW ) flipSided = ! flipSided;\n\n\t\tsetFlipSided( flipSided );\n\n\t\t( material.blending === NormalBlending && material.transparent === false )\n\t\t\t? setBlending( NoBlending )\n\t\t\t: setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.blendColor, material.blendAlpha, material.premultipliedAlpha );\n\n\t\tdepthBuffer.setFunc( material.depthFunc );\n\t\tdepthBuffer.setTest( material.depthTest );\n\t\tdepthBuffer.setMask( material.depthWrite );\n\t\tcolorBuffer.setMask( material.colorWrite );\n\n\t\tconst stencilWrite = material.stencilWrite;\n\t\tstencilBuffer.setTest( stencilWrite );\n\t\tif ( stencilWrite ) {\n\n\t\t\tstencilBuffer.setMask( material.stencilWriteMask );\n\t\t\tstencilBuffer.setFunc( material.stencilFunc, material.stencilRef, material.stencilFuncMask );\n\t\t\tstencilBuffer.setOp( material.stencilFail, material.stencilZFail, material.stencilZPass );\n\n\t\t}\n\n\t\tsetPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits );\n\n\t\tmaterial.alphaToCoverage === true\n\t\t\t? enable( gl.SAMPLE_ALPHA_TO_COVERAGE )\n\t\t\t: disable( gl.SAMPLE_ALPHA_TO_COVERAGE );\n\n\t}\n\n\t//\n\n\tfunction setFlipSided( flipSided ) {\n\n\t\tif ( currentFlipSided !== flipSided ) {\n\n\t\t\tif ( flipSided ) {\n\n\t\t\t\tgl.frontFace( gl.CW );\n\n\t\t\t} else {\n\n\t\t\t\tgl.frontFace( gl.CCW );\n\n\t\t\t}\n\n\t\t\tcurrentFlipSided = flipSided;\n\n\t\t}\n\n\t}\n\n\tfunction setCullFace( cullFace ) {\n\n\t\tif ( cullFace !== CullFaceNone ) {\n\n\t\t\tenable( gl.CULL_FACE );\n\n\t\t\tif ( cullFace !== currentCullFace ) {\n\n\t\t\t\tif ( cullFace === CullFaceBack ) {\n\n\t\t\t\t\tgl.cullFace( gl.BACK );\n\n\t\t\t\t} else if ( cullFace === CullFaceFront ) {\n\n\t\t\t\t\tgl.cullFace( gl.FRONT );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.cullFace( gl.FRONT_AND_BACK );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tdisable( gl.CULL_FACE );\n\n\t\t}\n\n\t\tcurrentCullFace = cullFace;\n\n\t}\n\n\tfunction setLineWidth( width ) {\n\n\t\tif ( width !== currentLineWidth ) {\n\n\t\t\tif ( lineWidthAvailable ) gl.lineWidth( width );\n\n\t\t\tcurrentLineWidth = width;\n\n\t\t}\n\n\t}\n\n\tfunction setPolygonOffset( polygonOffset, factor, units ) {\n\n\t\tif ( polygonOffset ) {\n\n\t\t\tenable( gl.POLYGON_OFFSET_FILL );\n\n\t\t\tif ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) {\n\n\t\t\t\tgl.polygonOffset( factor, units );\n\n\t\t\t\tcurrentPolygonOffsetFactor = factor;\n\t\t\t\tcurrentPolygonOffsetUnits = units;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tdisable( gl.POLYGON_OFFSET_FILL );\n\n\t\t}\n\n\t}\n\n\tfunction setScissorTest( scissorTest ) {\n\n\t\tif ( scissorTest ) {\n\n\t\t\tenable( gl.SCISSOR_TEST );\n\n\t\t} else {\n\n\t\t\tdisable( gl.SCISSOR_TEST );\n\n\t\t}\n\n\t}\n\n\t// texture\n\n\tfunction activeTexture( webglSlot ) {\n\n\t\tif ( webglSlot === undefined ) webglSlot = gl.TEXTURE0 + maxTextures - 1;\n\n\t\tif ( currentTextureSlot !== webglSlot ) {\n\n\t\t\tgl.activeTexture( webglSlot );\n\t\t\tcurrentTextureSlot = webglSlot;\n\n\t\t}\n\n\t}\n\n\tfunction bindTexture( webglType, webglTexture, webglSlot ) {\n\n\t\tif ( webglSlot === undefined ) {\n\n\t\t\tif ( currentTextureSlot === null ) {\n\n\t\t\t\twebglSlot = gl.TEXTURE0 + maxTextures - 1;\n\n\t\t\t} else {\n\n\t\t\t\twebglSlot = currentTextureSlot;\n\n\t\t\t}\n\n\t\t}\n\n\t\tlet boundTexture = currentBoundTextures[ webglSlot ];\n\n\t\tif ( boundTexture === undefined ) {\n\n\t\t\tboundTexture = { type: undefined, texture: undefined };\n\t\t\tcurrentBoundTextures[ webglSlot ] = boundTexture;\n\n\t\t}\n\n\t\tif ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) {\n\n\t\t\tif ( currentTextureSlot !== webglSlot ) {\n\n\t\t\t\tgl.activeTexture( webglSlot );\n\t\t\t\tcurrentTextureSlot = webglSlot;\n\n\t\t\t}\n\n\t\t\tgl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] );\n\n\t\t\tboundTexture.type = webglType;\n\t\t\tboundTexture.texture = webglTexture;\n\n\t\t}\n\n\t}\n\n\tfunction unbindTexture() {\n\n\t\tconst boundTexture = currentBoundTextures[ currentTextureSlot ];\n\n\t\tif ( boundTexture !== undefined && boundTexture.type !== undefined ) {\n\n\t\t\tgl.bindTexture( boundTexture.type, null );\n\n\t\t\tboundTexture.type = undefined;\n\t\t\tboundTexture.texture = undefined;\n\n\t\t}\n\n\t}\n\n\tfunction compressedTexImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.compressedTexImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction compressedTexImage3D() {\n\n\t\ttry {\n\n\t\t\tgl.compressedTexImage3D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texSubImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texSubImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texSubImage3D() {\n\n\t\ttry {\n\n\t\t\tgl.texSubImage3D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction compressedTexSubImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.compressedTexSubImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction compressedTexSubImage3D() {\n\n\t\ttry {\n\n\t\t\tgl.compressedTexSubImage3D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texStorage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texStorage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texStorage3D() {\n\n\t\ttry {\n\n\t\t\tgl.texStorage3D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texImage3D() {\n\n\t\ttry {\n\n\t\t\tgl.texImage3D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction scissor( scissor ) {\n\n\t\tif ( currentScissor.equals( scissor ) === false ) {\n\n\t\t\tgl.scissor( scissor.x, scissor.y, scissor.z, scissor.w );\n\t\t\tcurrentScissor.copy( scissor );\n\n\t\t}\n\n\t}\n\n\tfunction viewport( viewport ) {\n\n\t\tif ( currentViewport.equals( viewport ) === false ) {\n\n\t\t\tgl.viewport( viewport.x, viewport.y, viewport.z, viewport.w );\n\t\t\tcurrentViewport.copy( viewport );\n\n\t\t}\n\n\t}\n\n\tfunction updateUBOMapping( uniformsGroup, program ) {\n\n\t\tlet mapping = uboProgramMap.get( program );\n\n\t\tif ( mapping === undefined ) {\n\n\t\t\tmapping = new WeakMap();\n\n\t\t\tuboProgramMap.set( program, mapping );\n\n\t\t}\n\n\t\tlet blockIndex = mapping.get( uniformsGroup );\n\n\t\tif ( blockIndex === undefined ) {\n\n\t\t\tblockIndex = gl.getUniformBlockIndex( program, uniformsGroup.name );\n\n\t\t\tmapping.set( uniformsGroup, blockIndex );\n\n\t\t}\n\n\t}\n\n\tfunction uniformBlockBinding( uniformsGroup, program ) {\n\n\t\tconst mapping = uboProgramMap.get( program );\n\t\tconst blockIndex = mapping.get( uniformsGroup );\n\n\t\tif ( uboBindings.get( program ) !== blockIndex ) {\n\n\t\t\t// bind shader specific block index to global block point\n\t\t\tgl.uniformBlockBinding( program, blockIndex, uniformsGroup.__bindingPointIndex );\n\n\t\t\tuboBindings.set( program, blockIndex );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction reset() {\n\n\t\t// reset state\n\n\t\tgl.disable( gl.BLEND );\n\t\tgl.disable( gl.CULL_FACE );\n\t\tgl.disable( gl.DEPTH_TEST );\n\t\tgl.disable( gl.POLYGON_OFFSET_FILL );\n\t\tgl.disable( gl.SCISSOR_TEST );\n\t\tgl.disable( gl.STENCIL_TEST );\n\t\tgl.disable( gl.SAMPLE_ALPHA_TO_COVERAGE );\n\n\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\tgl.blendFunc( gl.ONE, gl.ZERO );\n\t\tgl.blendFuncSeparate( gl.ONE, gl.ZERO, gl.ONE, gl.ZERO );\n\t\tgl.blendColor( 0, 0, 0, 0 );\n\n\t\tgl.colorMask( true, true, true, true );\n\t\tgl.clearColor( 0, 0, 0, 0 );\n\n\t\tgl.depthMask( true );\n\t\tgl.depthFunc( gl.LESS );\n\n\t\tdepthBuffer.setReversed( false );\n\n\t\tgl.clearDepth( 1 );\n\n\t\tgl.stencilMask( 0xffffffff );\n\t\tgl.stencilFunc( gl.ALWAYS, 0, 0xffffffff );\n\t\tgl.stencilOp( gl.KEEP, gl.KEEP, gl.KEEP );\n\t\tgl.clearStencil( 0 );\n\n\t\tgl.cullFace( gl.BACK );\n\t\tgl.frontFace( gl.CCW );\n\n\t\tgl.polygonOffset( 0, 0 );\n\n\t\tgl.activeTexture( gl.TEXTURE0 );\n\n\t\tgl.bindFramebuffer( gl.FRAMEBUFFER, null );\n\t\tgl.bindFramebuffer( gl.DRAW_FRAMEBUFFER, null );\n\t\tgl.bindFramebuffer( gl.READ_FRAMEBUFFER, null );\n\n\t\tgl.useProgram( null );\n\n\t\tgl.lineWidth( 1 );\n\n\t\tgl.scissor( 0, 0, gl.canvas.width, gl.canvas.height );\n\t\tgl.viewport( 0, 0, gl.canvas.width, gl.canvas.height );\n\n\t\t// reset internals\n\n\t\tenabledCapabilities = {};\n\n\t\tcurrentTextureSlot = null;\n\t\tcurrentBoundTextures = {};\n\n\t\tcurrentBoundFramebuffers = {};\n\t\tcurrentDrawbuffers = new WeakMap();\n\t\tdefaultDrawbuffers = [];\n\n\t\tcurrentProgram = null;\n\n\t\tcurrentBlendingEnabled = false;\n\t\tcurrentBlending = null;\n\t\tcurrentBlendEquation = null;\n\t\tcurrentBlendSrc = null;\n\t\tcurrentBlendDst = null;\n\t\tcurrentBlendEquationAlpha = null;\n\t\tcurrentBlendSrcAlpha = null;\n\t\tcurrentBlendDstAlpha = null;\n\t\tcurrentBlendColor = new Color( 0, 0, 0 );\n\t\tcurrentBlendAlpha = 0;\n\t\tcurrentPremultipledAlpha = false;\n\n\t\tcurrentFlipSided = null;\n\t\tcurrentCullFace = null;\n\n\t\tcurrentLineWidth = null;\n\n\t\tcurrentPolygonOffsetFactor = null;\n\t\tcurrentPolygonOffsetUnits = null;\n\n\t\tcurrentScissor.set( 0, 0, gl.canvas.width, gl.canvas.height );\n\t\tcurrentViewport.set( 0, 0, gl.canvas.width, gl.canvas.height );\n\n\t\tcolorBuffer.reset();\n\t\tdepthBuffer.reset();\n\t\tstencilBuffer.reset();\n\n\t}\n\n\treturn {\n\n\t\tbuffers: {\n\t\t\tcolor: colorBuffer,\n\t\t\tdepth: depthBuffer,\n\t\t\tstencil: stencilBuffer\n\t\t},\n\n\t\tenable: enable,\n\t\tdisable: disable,\n\n\t\tbindFramebuffer: bindFramebuffer,\n\t\tdrawBuffers: drawBuffers,\n\n\t\tuseProgram: useProgram,\n\n\t\tsetBlending: setBlending,\n\t\tsetMaterial: setMaterial,\n\n\t\tsetFlipSided: setFlipSided,\n\t\tsetCullFace: setCullFace,\n\n\t\tsetLineWidth: setLineWidth,\n\t\tsetPolygonOffset: setPolygonOffset,\n\n\t\tsetScissorTest: setScissorTest,\n\n\t\tactiveTexture: activeTexture,\n\t\tbindTexture: bindTexture,\n\t\tunbindTexture: unbindTexture,\n\t\tcompressedTexImage2D: compressedTexImage2D,\n\t\tcompressedTexImage3D: compressedTexImage3D,\n\t\ttexImage2D: texImage2D,\n\t\ttexImage3D: texImage3D,\n\n\t\tupdateUBOMapping: updateUBOMapping,\n\t\tuniformBlockBinding: uniformBlockBinding,\n\n\t\ttexStorage2D: texStorage2D,\n\t\ttexStorage3D: texStorage3D,\n\t\ttexSubImage2D: texSubImage2D,\n\t\ttexSubImage3D: texSubImage3D,\n\t\tcompressedTexSubImage2D: compressedTexSubImage2D,\n\t\tcompressedTexSubImage3D: compressedTexSubImage3D,\n\n\t\tscissor: scissor,\n\t\tviewport: viewport,\n\n\t\treset: reset\n\n\t};\n\n}\n\nfunction WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info ) {\n\n\tconst multisampledRTTExt = extensions.has( 'WEBGL_multisampled_render_to_texture' ) ? extensions.get( 'WEBGL_multisampled_render_to_texture' ) : null;\n\tconst supportsInvalidateFramebuffer = typeof navigator === 'undefined' ? false : /OculusBrowser/g.test( navigator.userAgent );\n\n\tconst _imageDimensions = new Vector2();\n\tconst _videoTextures = new WeakMap();\n\tlet _canvas;\n\n\tconst _sources = new WeakMap(); // maps WebglTexture objects to instances of Source\n\n\t// cordova iOS (as of 5.0) still uses UIWebView, which provides OffscreenCanvas,\n\t// also OffscreenCanvas.getContext(\"webgl\"), but not OffscreenCanvas.getContext(\"2d\")!\n\t// Some implementations may only implement OffscreenCanvas partially (e.g. lacking 2d).\n\n\tlet useOffscreenCanvas = false;\n\n\ttry {\n\n\t\tuseOffscreenCanvas = typeof OffscreenCanvas !== 'undefined'\n\t\t\t// eslint-disable-next-line compat/compat\n\t\t\t&& ( new OffscreenCanvas( 1, 1 ).getContext( '2d' ) ) !== null;\n\n\t} catch ( err ) {\n\n\t\t// Ignore any errors\n\n\t}\n\n\tfunction createCanvas( width, height ) {\n\n\t\t// Use OffscreenCanvas when available. Specially needed in web workers\n\n\t\treturn useOffscreenCanvas ?\n\t\t\t// eslint-disable-next-line compat/compat\n\t\t\tnew OffscreenCanvas( width, height ) : createElementNS( 'canvas' );\n\n\t}\n\n\tfunction resizeImage( image, needsNewCanvas, maxSize ) {\n\n\t\tlet scale = 1;\n\n\t\tconst dimensions = getDimensions( image );\n\n\t\t// handle case if texture exceeds max size\n\n\t\tif ( dimensions.width > maxSize || dimensions.height > maxSize ) {\n\n\t\t\tscale = maxSize / Math.max( dimensions.width, dimensions.height );\n\n\t\t}\n\n\t\t// only perform resize if necessary\n\n\t\tif ( scale < 1 ) {\n\n\t\t\t// only perform resize for certain image types\n\n\t\t\tif ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) ||\n\t\t\t\t( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) ||\n\t\t\t\t( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ||\n\t\t\t\t( typeof VideoFrame !== 'undefined' && image instanceof VideoFrame ) ) {\n\n\t\t\t\tconst width = Math.floor( scale * dimensions.width );\n\t\t\t\tconst height = Math.floor( scale * dimensions.height );\n\n\t\t\t\tif ( _canvas === undefined ) _canvas = createCanvas( width, height );\n\n\t\t\t\t// cube textures can't reuse the same canvas\n\n\t\t\t\tconst canvas = needsNewCanvas ? createCanvas( width, height ) : _canvas;\n\n\t\t\t\tcanvas.width = width;\n\t\t\t\tcanvas.height = height;\n\n\t\t\t\tconst context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, width, height );\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture has been resized from (' + dimensions.width + 'x' + dimensions.height + ') to (' + width + 'x' + height + ').' );\n\n\t\t\t\treturn canvas;\n\n\t\t\t} else {\n\n\t\t\t\tif ( 'data' in image ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Image in DataTexture is too big (' + dimensions.width + 'x' + dimensions.height + ').' );\n\n\t\t\t\t}\n\n\t\t\t\treturn image;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn image;\n\n\t}\n\n\tfunction textureNeedsGenerateMipmaps( texture ) {\n\n\t\treturn texture.generateMipmaps;\n\n\t}\n\n\tfunction generateMipmap( target ) {\n\n\t\t_gl.generateMipmap( target );\n\n\t}\n\n\tfunction getTargetType( texture ) {\n\n\t\tif ( texture.isWebGLCubeRenderTarget ) return _gl.TEXTURE_CUBE_MAP;\n\t\tif ( texture.isWebGL3DRenderTarget ) return _gl.TEXTURE_3D;\n\t\tif ( texture.isWebGLArrayRenderTarget || texture.isCompressedArrayTexture ) return _gl.TEXTURE_2D_ARRAY;\n\t\treturn _gl.TEXTURE_2D;\n\n\t}\n\n\tfunction getInternalFormat( internalFormatName, glFormat, glType, colorSpace, forceLinearTransfer = false ) {\n\n\t\tif ( internalFormatName !== null ) {\n\n\t\t\tif ( _gl[ internalFormatName ] !== undefined ) return _gl[ internalFormatName ];\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format \\'' + internalFormatName + '\\'' );\n\n\t\t}\n\n\t\tlet internalFormat = glFormat;\n\n\t\tif ( glFormat === _gl.RED ) {\n\n\t\t\tif ( glType === _gl.FLOAT ) internalFormat = _gl.R32F;\n\t\t\tif ( glType === _gl.HALF_FLOAT ) internalFormat = _gl.R16F;\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.R8;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RED_INTEGER ) {\n\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.R8UI;\n\t\t\tif ( glType === _gl.UNSIGNED_SHORT ) internalFormat = _gl.R16UI;\n\t\t\tif ( glType === _gl.UNSIGNED_INT ) internalFormat = _gl.R32UI;\n\t\t\tif ( glType === _gl.BYTE ) internalFormat = _gl.R8I;\n\t\t\tif ( glType === _gl.SHORT ) internalFormat = _gl.R16I;\n\t\t\tif ( glType === _gl.INT ) internalFormat = _gl.R32I;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RG ) {\n\n\t\t\tif ( glType === _gl.FLOAT ) internalFormat = _gl.RG32F;\n\t\t\tif ( glType === _gl.HALF_FLOAT ) internalFormat = _gl.RG16F;\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.RG8;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RG_INTEGER ) {\n\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.RG8UI;\n\t\t\tif ( glType === _gl.UNSIGNED_SHORT ) internalFormat = _gl.RG16UI;\n\t\t\tif ( glType === _gl.UNSIGNED_INT ) internalFormat = _gl.RG32UI;\n\t\t\tif ( glType === _gl.BYTE ) internalFormat = _gl.RG8I;\n\t\t\tif ( glType === _gl.SHORT ) internalFormat = _gl.RG16I;\n\t\t\tif ( glType === _gl.INT ) internalFormat = _gl.RG32I;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RGB_INTEGER ) {\n\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.RGB8UI;\n\t\t\tif ( glType === _gl.UNSIGNED_SHORT ) internalFormat = _gl.RGB16UI;\n\t\t\tif ( glType === _gl.UNSIGNED_INT ) internalFormat = _gl.RGB32UI;\n\t\t\tif ( glType === _gl.BYTE ) internalFormat = _gl.RGB8I;\n\t\t\tif ( glType === _gl.SHORT ) internalFormat = _gl.RGB16I;\n\t\t\tif ( glType === _gl.INT ) internalFormat = _gl.RGB32I;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RGBA_INTEGER ) {\n\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.RGBA8UI;\n\t\t\tif ( glType === _gl.UNSIGNED_SHORT ) internalFormat = _gl.RGBA16UI;\n\t\t\tif ( glType === _gl.UNSIGNED_INT ) internalFormat = _gl.RGBA32UI;\n\t\t\tif ( glType === _gl.BYTE ) internalFormat = _gl.RGBA8I;\n\t\t\tif ( glType === _gl.SHORT ) internalFormat = _gl.RGBA16I;\n\t\t\tif ( glType === _gl.INT ) internalFormat = _gl.RGBA32I;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RGB ) {\n\n\t\t\tif ( glType === _gl.UNSIGNED_INT_5_9_9_9_REV ) internalFormat = _gl.RGB9_E5;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RGBA ) {\n\n\t\t\tconst transfer = forceLinearTransfer ? LinearTransfer : ColorManagement.getTransfer( colorSpace );\n\n\t\t\tif ( glType === _gl.FLOAT ) internalFormat = _gl.RGBA32F;\n\t\t\tif ( glType === _gl.HALF_FLOAT ) internalFormat = _gl.RGBA16F;\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = ( transfer === SRGBTransfer ) ? _gl.SRGB8_ALPHA8 : _gl.RGBA8;\n\t\t\tif ( glType === _gl.UNSIGNED_SHORT_4_4_4_4 ) internalFormat = _gl.RGBA4;\n\t\t\tif ( glType === _gl.UNSIGNED_SHORT_5_5_5_1 ) internalFormat = _gl.RGB5_A1;\n\n\t\t}\n\n\t\tif ( internalFormat === _gl.R16F || internalFormat === _gl.R32F ||\n\t\t\tinternalFormat === _gl.RG16F || internalFormat === _gl.RG32F ||\n\t\t\tinternalFormat === _gl.RGBA16F || internalFormat === _gl.RGBA32F ) {\n\n\t\t\textensions.get( 'EXT_color_buffer_float' );\n\n\t\t}\n\n\t\treturn internalFormat;\n\n\t}\n\n\tfunction getInternalDepthFormat( useStencil, depthType ) {\n\n\t\tlet glInternalFormat;\n\t\tif ( useStencil ) {\n\n\t\t\tif ( depthType === null || depthType === UnsignedIntType || depthType === UnsignedInt248Type ) {\n\n\t\t\t\tglInternalFormat = _gl.DEPTH24_STENCIL8;\n\n\t\t\t} else if ( depthType === FloatType ) {\n\n\t\t\t\tglInternalFormat = _gl.DEPTH32F_STENCIL8;\n\n\t\t\t} else if ( depthType === UnsignedShortType ) {\n\n\t\t\t\tglInternalFormat = _gl.DEPTH24_STENCIL8;\n\t\t\t\tconsole.warn( 'DepthTexture: 16 bit depth attachment is not supported with stencil. Using 24-bit attachment.' );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tif ( depthType === null || depthType === UnsignedIntType || depthType === UnsignedInt248Type ) {\n\n\t\t\t\tglInternalFormat = _gl.DEPTH_COMPONENT24;\n\n\t\t\t} else if ( depthType === FloatType ) {\n\n\t\t\t\tglInternalFormat = _gl.DEPTH_COMPONENT32F;\n\n\t\t\t} else if ( depthType === UnsignedShortType ) {\n\n\t\t\t\tglInternalFormat = _gl.DEPTH_COMPONENT16;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn glInternalFormat;\n\n\t}\n\n\tfunction getMipLevels( texture, image ) {\n\n\t\tif ( textureNeedsGenerateMipmaps( texture ) === true || ( texture.isFramebufferTexture && texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) ) {\n\n\t\t\treturn Math.log2( Math.max( image.width, image.height ) ) + 1;\n\n\t\t} else if ( texture.mipmaps !== undefined && texture.mipmaps.length > 0 ) {\n\n\t\t\t// user-defined mipmaps\n\n\t\t\treturn texture.mipmaps.length;\n\n\t\t} else if ( texture.isCompressedTexture && Array.isArray( texture.image ) ) {\n\n\t\t\treturn image.mipmaps.length;\n\n\t\t} else {\n\n\t\t\t// texture without mipmaps (only base level)\n\n\t\t\treturn 1;\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tdeallocateTexture( texture );\n\n\t\tif ( texture.isVideoTexture ) {\n\n\t\t\t_videoTextures.delete( texture );\n\n\t\t}\n\n\t}\n\n\tfunction onRenderTargetDispose( event ) {\n\n\t\tconst renderTarget = event.target;\n\n\t\trenderTarget.removeEventListener( 'dispose', onRenderTargetDispose );\n\n\t\tdeallocateRenderTarget( renderTarget );\n\n\t}\n\n\t//\n\n\tfunction deallocateTexture( texture ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( textureProperties.__webglInit === undefined ) return;\n\n\t\t// check if it's necessary to remove the WebGLTexture object\n\n\t\tconst source = texture.source;\n\t\tconst webglTextures = _sources.get( source );\n\n\t\tif ( webglTextures ) {\n\n\t\t\tconst webglTexture = webglTextures[ textureProperties.__cacheKey ];\n\t\t\twebglTexture.usedTimes --;\n\n\t\t\t// the WebGLTexture object is not used anymore, remove it\n\n\t\t\tif ( webglTexture.usedTimes === 0 ) {\n\n\t\t\t\tdeleteTexture( texture );\n\n\t\t\t}\n\n\t\t\t// remove the weak map entry if no WebGLTexture uses the source anymore\n\n\t\t\tif ( Object.keys( webglTextures ).length === 0 ) {\n\n\t\t\t\t_sources.delete( source );\n\n\t\t\t}\n\n\t\t}\n\n\t\tproperties.remove( texture );\n\n\t}\n\n\tfunction deleteTexture( texture ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\tconst source = texture.source;\n\t\tconst webglTextures = _sources.get( source );\n\t\tdelete webglTextures[ textureProperties.__cacheKey ];\n\n\t\tinfo.memory.textures --;\n\n\t}\n\n\tfunction deallocateRenderTarget( renderTarget ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\trenderTarget.depthTexture.dispose();\n\n\t\t\tproperties.remove( renderTarget.depthTexture );\n\n\t\t}\n\n\t\tif ( renderTarget.isWebGLCubeRenderTarget ) {\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( Array.isArray( renderTargetProperties.__webglFramebuffer[ i ] ) ) {\n\n\t\t\t\t\tfor ( let level = 0; level < renderTargetProperties.__webglFramebuffer[ i ].length; level ++ ) _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ][ level ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tif ( Array.isArray( renderTargetProperties.__webglFramebuffer ) ) {\n\n\t\t\t\tfor ( let level = 0; level < renderTargetProperties.__webglFramebuffer.length; level ++ ) _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ level ] );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer );\n\n\t\t\t}\n\n\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer );\n\t\t\tif ( renderTargetProperties.__webglMultisampledFramebuffer ) _gl.deleteFramebuffer( renderTargetProperties.__webglMultisampledFramebuffer );\n\n\t\t\tif ( renderTargetProperties.__webglColorRenderbuffer ) {\n\n\t\t\t\tfor ( let i = 0; i < renderTargetProperties.__webglColorRenderbuffer.length; i ++ ) {\n\n\t\t\t\t\tif ( renderTargetProperties.__webglColorRenderbuffer[ i ] ) _gl.deleteRenderbuffer( renderTargetProperties.__webglColorRenderbuffer[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( renderTargetProperties.__webglDepthRenderbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthRenderbuffer );\n\n\t\t}\n\n\t\tconst textures = renderTarget.textures;\n\n\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\tconst attachmentProperties = properties.get( textures[ i ] );\n\n\t\t\tif ( attachmentProperties.__webglTexture ) {\n\n\t\t\t\t_gl.deleteTexture( attachmentProperties.__webglTexture );\n\n\t\t\t\tinfo.memory.textures --;\n\n\t\t\t}\n\n\t\t\tproperties.remove( textures[ i ] );\n\n\t\t}\n\n\t\tproperties.remove( renderTarget );\n\n\t}\n\n\t//\n\n\tlet textureUnits = 0;\n\n\tfunction resetTextureUnits() {\n\n\t\ttextureUnits = 0;\n\n\t}\n\n\tfunction allocateTextureUnit() {\n\n\t\tconst textureUnit = textureUnits;\n\n\t\tif ( textureUnit >= capabilities.maxTextures ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLTextures: Trying to use ' + textureUnit + ' texture units while this GPU supports only ' + capabilities.maxTextures );\n\n\t\t}\n\n\t\ttextureUnits += 1;\n\n\t\treturn textureUnit;\n\n\t}\n\n\tfunction getTextureCacheKey( texture ) {\n\n\t\tconst array = [];\n\n\t\tarray.push( texture.wrapS );\n\t\tarray.push( texture.wrapT );\n\t\tarray.push( texture.wrapR || 0 );\n\t\tarray.push( texture.magFilter );\n\t\tarray.push( texture.minFilter );\n\t\tarray.push( texture.anisotropy );\n\t\tarray.push( texture.internalFormat );\n\t\tarray.push( texture.format );\n\t\tarray.push( texture.type );\n\t\tarray.push( texture.generateMipmaps );\n\t\tarray.push( texture.premultiplyAlpha );\n\t\tarray.push( texture.flipY );\n\t\tarray.push( texture.unpackAlignment );\n\t\tarray.push( texture.colorSpace );\n\n\t\treturn array.join();\n\n\t}\n\n\t//\n\n\tfunction setTexture2D( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.isVideoTexture ) updateVideoTexture( texture );\n\n\t\tif ( texture.isRenderTargetTexture === false && texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tconst image = texture.image;\n\n\t\t\tif ( image === null ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but no image data found.' );\n\n\t\t\t} else if ( image.complete === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete' );\n\n\t\t\t} else {\n\n\t\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture, _gl.TEXTURE0 + slot );\n\n\t}\n\n\tfunction setTexture2DArray( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.bindTexture( _gl.TEXTURE_2D_ARRAY, textureProperties.__webglTexture, _gl.TEXTURE0 + slot );\n\n\t}\n\n\tfunction setTexture3D( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.bindTexture( _gl.TEXTURE_3D, textureProperties.__webglTexture, _gl.TEXTURE0 + slot );\n\n\t}\n\n\tfunction setTextureCube( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadCubeTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture, _gl.TEXTURE0 + slot );\n\n\t}\n\n\tconst wrappingToGL = {\n\t\t[ RepeatWrapping ]: _gl.REPEAT,\n\t\t[ ClampToEdgeWrapping ]: _gl.CLAMP_TO_EDGE,\n\t\t[ MirroredRepeatWrapping ]: _gl.MIRRORED_REPEAT\n\t};\n\n\tconst filterToGL = {\n\t\t[ NearestFilter ]: _gl.NEAREST,\n\t\t[ NearestMipmapNearestFilter ]: _gl.NEAREST_MIPMAP_NEAREST,\n\t\t[ NearestMipmapLinearFilter ]: _gl.NEAREST_MIPMAP_LINEAR,\n\n\t\t[ LinearFilter ]: _gl.LINEAR,\n\t\t[ LinearMipmapNearestFilter ]: _gl.LINEAR_MIPMAP_NEAREST,\n\t\t[ LinearMipmapLinearFilter ]: _gl.LINEAR_MIPMAP_LINEAR\n\t};\n\n\tconst compareToGL = {\n\t\t[ NeverCompare ]: _gl.NEVER,\n\t\t[ AlwaysCompare ]: _gl.ALWAYS,\n\t\t[ LessCompare ]: _gl.LESS,\n\t\t[ LessEqualCompare ]: _gl.LEQUAL,\n\t\t[ EqualCompare ]: _gl.EQUAL,\n\t\t[ GreaterEqualCompare ]: _gl.GEQUAL,\n\t\t[ GreaterCompare ]: _gl.GREATER,\n\t\t[ NotEqualCompare ]: _gl.NOTEQUAL\n\t};\n\n\tfunction setTextureParameters( textureType, texture ) {\n\n\t\tif ( texture.type === FloatType && extensions.has( 'OES_texture_float_linear' ) === false &&\n\t\t\t( texture.magFilter === LinearFilter || texture.magFilter === LinearMipmapNearestFilter || texture.magFilter === NearestMipmapLinearFilter || texture.magFilter === LinearMipmapLinearFilter ||\n\t\t\ttexture.minFilter === LinearFilter || texture.minFilter === LinearMipmapNearestFilter || texture.minFilter === NearestMipmapLinearFilter || texture.minFilter === LinearMipmapLinearFilter ) ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Unable to use linear filtering with floating point textures. OES_texture_float_linear not supported on this device.' );\n\n\t\t}\n\n\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, wrappingToGL[ texture.wrapS ] );\n\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, wrappingToGL[ texture.wrapT ] );\n\n\t\tif ( textureType === _gl.TEXTURE_3D || textureType === _gl.TEXTURE_2D_ARRAY ) {\n\n\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_R, wrappingToGL[ texture.wrapR ] );\n\n\t\t}\n\n\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, filterToGL[ texture.magFilter ] );\n\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, filterToGL[ texture.minFilter ] );\n\n\t\tif ( texture.compareFunction ) {\n\n\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_COMPARE_MODE, _gl.COMPARE_REF_TO_TEXTURE );\n\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_COMPARE_FUNC, compareToGL[ texture.compareFunction ] );\n\n\t\t}\n\n\t\tif ( extensions.has( 'EXT_texture_filter_anisotropic' ) === true ) {\n\n\t\t\tif ( texture.magFilter === NearestFilter ) return;\n\t\t\tif ( texture.minFilter !== NearestMipmapLinearFilter && texture.minFilter !== LinearMipmapLinearFilter ) return;\n\t\t\tif ( texture.type === FloatType && extensions.has( 'OES_texture_float_linear' ) === false ) return; // verify extension\n\n\t\t\tif ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) {\n\n\t\t\t\tconst extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\t\t\t\t_gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) );\n\t\t\t\tproperties.get( texture ).__currentAnisotropy = texture.anisotropy;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction initTexture( textureProperties, texture ) {\n\n\t\tlet forceUpload = false;\n\n\t\tif ( textureProperties.__webglInit === undefined ) {\n\n\t\t\ttextureProperties.__webglInit = true;\n\n\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t}\n\n\t\t// create Source <-> WebGLTextures mapping if necessary\n\n\t\tconst source = texture.source;\n\t\tlet webglTextures = _sources.get( source );\n\n\t\tif ( webglTextures === undefined ) {\n\n\t\t\twebglTextures = {};\n\t\t\t_sources.set( source, webglTextures );\n\n\t\t}\n\n\t\t// check if there is already a WebGLTexture object for the given texture parameters\n\n\t\tconst textureCacheKey = getTextureCacheKey( texture );\n\n\t\tif ( textureCacheKey !== textureProperties.__cacheKey ) {\n\n\t\t\t// if not, create a new instance of WebGLTexture\n\n\t\t\tif ( webglTextures[ textureCacheKey ] === undefined ) {\n\n\t\t\t\t// create new entry\n\n\t\t\t\twebglTextures[ textureCacheKey ] = {\n\t\t\t\t\ttexture: _gl.createTexture(),\n\t\t\t\t\tusedTimes: 0\n\t\t\t\t};\n\n\t\t\t\tinfo.memory.textures ++;\n\n\t\t\t\t// when a new instance of WebGLTexture was created, a texture upload is required\n\t\t\t\t// even if the image contents are identical\n\n\t\t\t\tforceUpload = true;\n\n\t\t\t}\n\n\t\t\twebglTextures[ textureCacheKey ].usedTimes ++;\n\n\t\t\t// every time the texture cache key changes, it's necessary to check if an instance of\n\t\t\t// WebGLTexture can be deleted in order to avoid a memory leak.\n\n\t\t\tconst webglTexture = webglTextures[ textureProperties.__cacheKey ];\n\n\t\t\tif ( webglTexture !== undefined ) {\n\n\t\t\t\twebglTextures[ textureProperties.__cacheKey ].usedTimes --;\n\n\t\t\t\tif ( webglTexture.usedTimes === 0 ) {\n\n\t\t\t\t\tdeleteTexture( texture );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// store references to cache key and WebGLTexture object\n\n\t\t\ttextureProperties.__cacheKey = textureCacheKey;\n\t\t\ttextureProperties.__webglTexture = webglTextures[ textureCacheKey ].texture;\n\n\t\t}\n\n\t\treturn forceUpload;\n\n\t}\n\n\tfunction uploadTexture( textureProperties, texture, slot ) {\n\n\t\tlet textureType = _gl.TEXTURE_2D;\n\n\t\tif ( texture.isDataArrayTexture || texture.isCompressedArrayTexture ) textureType = _gl.TEXTURE_2D_ARRAY;\n\t\tif ( texture.isData3DTexture ) textureType = _gl.TEXTURE_3D;\n\n\t\tconst forceUpload = initTexture( textureProperties, texture );\n\t\tconst source = texture.source;\n\n\t\tstate.bindTexture( textureType, textureProperties.__webglTexture, _gl.TEXTURE0 + slot );\n\n\t\tconst sourceProperties = properties.get( source );\n\n\t\tif ( source.version !== sourceProperties.__version || forceUpload === true ) {\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\n\t\t\tconst workingPrimaries = ColorManagement.getPrimaries( ColorManagement.workingColorSpace );\n\t\t\tconst texturePrimaries = texture.colorSpace === NoColorSpace ? null : ColorManagement.getPrimaries( texture.colorSpace );\n\t\t\tconst unpackConversion = texture.colorSpace === NoColorSpace || workingPrimaries === texturePrimaries ? _gl.NONE : _gl.BROWSER_DEFAULT_WEBGL;\n\n\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ALIGNMENT, texture.unpackAlignment );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, unpackConversion );\n\n\t\t\tlet image = resizeImage( texture.image, false, capabilities.maxTextureSize );\n\t\t\timage = verifyColorSpace( texture, image );\n\n\t\t\tconst glFormat = utils.convert( texture.format, texture.colorSpace );\n\n\t\t\tconst glType = utils.convert( texture.type );\n\t\t\tlet glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.colorSpace, texture.isVideoTexture );\n\n\t\t\tsetTextureParameters( textureType, texture );\n\n\t\t\tlet mipmap;\n\t\t\tconst mipmaps = texture.mipmaps;\n\n\t\t\tconst useTexStorage = ( texture.isVideoTexture !== true );\n\t\t\tconst allocateMemory = ( sourceProperties.__version === undefined ) || ( forceUpload === true );\n\t\t\tconst dataReady = source.dataReady;\n\t\t\tconst levels = getMipLevels( texture, image );\n\n\t\t\tif ( texture.isDepthTexture ) {\n\n\t\t\t\tglInternalFormat = getInternalDepthFormat( texture.format === DepthStencilFormat, texture.type );\n\n\t\t\t\t//\n\n\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, 1, glInternalFormat, image.width, image.height );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, null );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( texture.isDataTexture ) {\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 ) {\n\n\t\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, mipmaps[ 0 ].width, mipmaps[ 0 ].height );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_2D, i, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, image.width, image.height );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_2D, 0, 0, 0, image.width, image.height, glFormat, glType, image.data );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, image.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( texture.isCompressedTexture ) {\n\n\t\t\t\tif ( texture.isCompressedArrayTexture ) {\n\n\t\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage3D( _gl.TEXTURE_2D_ARRAY, levels, glInternalFormat, mipmaps[ 0 ].width, mipmaps[ 0 ].height, image.depth );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\t\tif ( texture.format !== RGBAFormat ) {\n\n\t\t\t\t\t\t\tif ( glFormat !== null ) {\n\n\t\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\t\tif ( texture.layerUpdates.size > 0 ) {\n\n\t\t\t\t\t\t\t\t\t\t\tconst layerByteLength = getByteLength( mipmap.width, mipmap.height, texture.format, texture.type );\n\n\t\t\t\t\t\t\t\t\t\t\tfor ( const layerIndex of texture.layerUpdates ) {\n\n\t\t\t\t\t\t\t\t\t\t\t\tconst layerData = mipmap.data.subarray(\n\t\t\t\t\t\t\t\t\t\t\t\t\tlayerIndex * layerByteLength / mipmap.data.BYTES_PER_ELEMENT,\n\t\t\t\t\t\t\t\t\t\t\t\t\t( layerIndex + 1 ) * layerByteLength / mipmap.data.BYTES_PER_ELEMENT\n\t\t\t\t\t\t\t\t\t\t\t\t);\n\t\t\t\t\t\t\t\t\t\t\t\tstate.compressedTexSubImage3D( _gl.TEXTURE_2D_ARRAY, i, 0, 0, layerIndex, mipmap.width, mipmap.height, 1, glFormat, layerData );\n\n\t\t\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t\t\t\ttexture.clearLayerUpdates();\n\n\t\t\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\t\t\tstate.compressedTexSubImage3D( _gl.TEXTURE_2D_ARRAY, i, 0, 0, 0, mipmap.width, mipmap.height, image.depth, glFormat, mipmap.data );\n\n\t\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tstate.compressedTexImage3D( _gl.TEXTURE_2D_ARRAY, i, glInternalFormat, mipmap.width, mipmap.height, image.depth, 0, mipmap.data, 0, 0 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()' );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\tstate.texSubImage3D( _gl.TEXTURE_2D_ARRAY, i, 0, 0, 0, mipmap.width, mipmap.height, image.depth, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage3D( _gl.TEXTURE_2D_ARRAY, i, glInternalFormat, mipmap.width, mipmap.height, image.depth, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, mipmaps[ 0 ].width, mipmaps[ 0 ].height );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\t\tif ( texture.format !== RGBAFormat ) {\n\n\t\t\t\t\t\t\tif ( glFormat !== null ) {\n\n\t\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\t\tstate.compressedTexSubImage2D( _gl.TEXTURE_2D, i, 0, 0, mipmap.width, mipmap.height, glFormat, mipmap.data );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tstate.compressedTexImage2D( _gl.TEXTURE_2D, i, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()' );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_2D, i, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( texture.isDataArrayTexture ) {\n\n\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage3D( _gl.TEXTURE_2D_ARRAY, levels, glInternalFormat, image.width, image.height, image.depth );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\tif ( texture.layerUpdates.size > 0 ) {\n\n\t\t\t\t\t\t\tconst layerByteLength = getByteLength( image.width, image.height, texture.format, texture.type );\n\n\t\t\t\t\t\t\tfor ( const layerIndex of texture.layerUpdates ) {\n\n\t\t\t\t\t\t\t\tconst layerData = image.data.subarray(\n\t\t\t\t\t\t\t\t\tlayerIndex * layerByteLength / image.data.BYTES_PER_ELEMENT,\n\t\t\t\t\t\t\t\t\t( layerIndex + 1 ) * layerByteLength / image.data.BYTES_PER_ELEMENT\n\t\t\t\t\t\t\t\t);\n\t\t\t\t\t\t\t\tstate.texSubImage3D( _gl.TEXTURE_2D_ARRAY, 0, 0, 0, layerIndex, image.width, image.height, 1, glFormat, glType, layerData );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\ttexture.clearLayerUpdates();\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tstate.texSubImage3D( _gl.TEXTURE_2D_ARRAY, 0, 0, 0, 0, image.width, image.height, image.depth, glFormat, glType, image.data );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage3D( _gl.TEXTURE_2D_ARRAY, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data );\n\n\t\t\t\t}\n\n\t\t\t} else if ( texture.isData3DTexture ) {\n\n\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage3D( _gl.TEXTURE_3D, levels, glInternalFormat, image.width, image.height, image.depth );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\tstate.texSubImage3D( _gl.TEXTURE_3D, 0, 0, 0, 0, image.width, image.height, image.depth, glFormat, glType, image.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage3D( _gl.TEXTURE_3D, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data );\n\n\t\t\t\t}\n\n\t\t\t} else if ( texture.isFramebufferTexture ) {\n\n\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, image.width, image.height );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tlet width = image.width, height = image.height;\n\n\t\t\t\t\t\tfor ( let i = 0; i < levels; i ++ ) {\n\n\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glInternalFormat, width, height, 0, glFormat, glType, null );\n\n\t\t\t\t\t\t\twidth >>= 1;\n\t\t\t\t\t\t\theight >>= 1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// regular Texture (image, video, canvas)\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 ) {\n\n\t\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\t\tconst dimensions = getDimensions( mipmaps[ 0 ] );\n\n\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, dimensions.width, dimensions.height );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_2D, i, 0, 0, glFormat, glType, mipmap );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glInternalFormat, glFormat, glType, mipmap );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\t\t\tconst dimensions = getDimensions( image );\n\n\t\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, dimensions.width, dimensions.height );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_2D, 0, 0, 0, glFormat, glType, image );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glInternalFormat, glFormat, glType, image );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture ) ) {\n\n\t\t\t\tgenerateMipmap( textureType );\n\n\t\t\t}\n\n\t\t\tsourceProperties.__version = source.version;\n\n\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t}\n\n\t\ttextureProperties.__version = texture.version;\n\n\t}\n\n\tfunction uploadCubeTexture( textureProperties, texture, slot ) {\n\n\t\tif ( texture.image.length !== 6 ) return;\n\n\t\tconst forceUpload = initTexture( textureProperties, texture );\n\t\tconst source = texture.source;\n\n\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture, _gl.TEXTURE0 + slot );\n\n\t\tconst sourceProperties = properties.get( source );\n\n\t\tif ( source.version !== sourceProperties.__version || forceUpload === true ) {\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\n\t\t\tconst workingPrimaries = ColorManagement.getPrimaries( ColorManagement.workingColorSpace );\n\t\t\tconst texturePrimaries = texture.colorSpace === NoColorSpace ? null : ColorManagement.getPrimaries( texture.colorSpace );\n\t\t\tconst unpackConversion = texture.colorSpace === NoColorSpace || workingPrimaries === texturePrimaries ? _gl.NONE : _gl.BROWSER_DEFAULT_WEBGL;\n\n\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ALIGNMENT, texture.unpackAlignment );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, unpackConversion );\n\n\t\t\tconst isCompressed = ( texture.isCompressedTexture || texture.image[ 0 ].isCompressedTexture );\n\t\t\tconst isDataTexture = ( texture.image[ 0 ] && texture.image[ 0 ].isDataTexture );\n\n\t\t\tconst cubeImage = [];\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( ! isCompressed && ! isDataTexture ) {\n\n\t\t\t\t\tcubeImage[ i ] = resizeImage( texture.image[ i ], true, capabilities.maxCubemapSize );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tcubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tcubeImage[ i ] = verifyColorSpace( texture, cubeImage[ i ] );\n\n\t\t\t}\n\n\t\t\tconst image = cubeImage[ 0 ],\n\t\t\t\tglFormat = utils.convert( texture.format, texture.colorSpace ),\n\t\t\t\tglType = utils.convert( texture.type ),\n\t\t\t\tglInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.colorSpace );\n\n\t\t\tconst useTexStorage = ( texture.isVideoTexture !== true );\n\t\t\tconst allocateMemory = ( sourceProperties.__version === undefined ) || ( forceUpload === true );\n\t\t\tconst dataReady = source.dataReady;\n\t\t\tlet levels = getMipLevels( texture, image );\n\n\t\t\tsetTextureParameters( _gl.TEXTURE_CUBE_MAP, texture );\n\n\t\t\tlet mipmaps;\n\n\t\t\tif ( isCompressed ) {\n\n\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_CUBE_MAP, levels, glInternalFormat, image.width, image.height );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tmipmaps = cubeImage[ i ].mipmaps;\n\n\t\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\n\t\t\t\t\t\tif ( texture.format !== RGBAFormat ) {\n\n\t\t\t\t\t\t\tif ( glFormat !== null ) {\n\n\t\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\t\tstate.compressedTexSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, 0, 0, mipmap.width, mipmap.height, glFormat, mipmap.data );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tstate.compressedTexImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()' );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tmipmaps = texture.mipmaps;\n\n\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\t// TODO: Uniformly handle mipmap definitions\n\t\t\t\t\t// Normal textures and compressed cube textures define base level + mips with their mipmap array\n\t\t\t\t\t// Uncompressed cube textures use their mipmap array only for mips (no base level)\n\n\t\t\t\t\tif ( mipmaps.length > 0 ) levels ++;\n\n\t\t\t\t\tconst dimensions = getDimensions( cubeImage[ 0 ] );\n\n\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_CUBE_MAP, levels, glInternalFormat, dimensions.width, dimensions.height );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tif ( isDataTexture ) {\n\n\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, 0, 0, cubeImage[ i ].width, cubeImage[ i ].height, glFormat, glType, cubeImage[ i ].data );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glInternalFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\t\t\t\t\t\t\tconst mipmapImage = mipmap.image[ i ].image;\n\n\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, 0, 0, mipmapImage.width, mipmapImage.height, glFormat, glType, mipmapImage.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, glInternalFormat, mipmapImage.width, mipmapImage.height, 0, glFormat, glType, mipmapImage.data );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, 0, 0, glFormat, glType, cubeImage[ i ] );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glInternalFormat, glFormat, glType, cubeImage[ i ] );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\n\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, 0, 0, glFormat, glType, mipmap.image[ i ] );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, glInternalFormat, glFormat, glType, mipmap.image[ i ] );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture ) ) {\n\n\t\t\t\t// We assume images for cube map have the same size.\n\t\t\t\tgenerateMipmap( _gl.TEXTURE_CUBE_MAP );\n\n\t\t\t}\n\n\t\t\tsourceProperties.__version = source.version;\n\n\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t}\n\n\t\ttextureProperties.__version = texture.version;\n\n\t}\n\n\t// Render targets\n\n\t// Setup storage for target texture and bind it to correct framebuffer\n\tfunction setupFrameBufferTexture( framebuffer, renderTarget, texture, attachment, textureTarget, level ) {\n\n\t\tconst glFormat = utils.convert( texture.format, texture.colorSpace );\n\t\tconst glType = utils.convert( texture.type );\n\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.colorSpace );\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst textureProperties = properties.get( texture );\n\n\t\ttextureProperties.__renderTarget = renderTarget;\n\n\t\tif ( ! renderTargetProperties.__hasExternalTextures ) {\n\n\t\t\tconst width = Math.max( 1, renderTarget.width >> level );\n\t\t\tconst height = Math.max( 1, renderTarget.height >> level );\n\n\t\t\tif ( textureTarget === _gl.TEXTURE_3D || textureTarget === _gl.TEXTURE_2D_ARRAY ) {\n\n\t\t\t\tstate.texImage3D( textureTarget, level, glInternalFormat, width, height, renderTarget.depth, 0, glFormat, glType, null );\n\n\t\t\t} else {\n\n\t\t\t\tstate.texImage2D( textureTarget, level, glInternalFormat, width, height, 0, glFormat, glType, null );\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\tif ( useMultisampledRTT( renderTarget ) ) {\n\n\t\t\tmultisampledRTTExt.framebufferTexture2DMultisampleEXT( _gl.FRAMEBUFFER, attachment, textureTarget, textureProperties.__webglTexture, 0, getRenderTargetSamples( renderTarget ) );\n\n\t\t} else if ( textureTarget === _gl.TEXTURE_2D || ( textureTarget >= _gl.TEXTURE_CUBE_MAP_POSITIVE_X && textureTarget <= _gl.TEXTURE_CUBE_MAP_NEGATIVE_Z ) ) { // see #24753\n\n\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, attachment, textureTarget, textureProperties.__webglTexture, level );\n\n\t\t}\n\n\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t}\n\n\t// Setup storage for internal depth/stencil buffers and bind to correct framebuffer\n\tfunction setupRenderBufferStorage( renderbuffer, renderTarget, isMultisample ) {\n\n\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer );\n\n\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t// retrieve the depth attachment types\n\t\t\tconst depthTexture = renderTarget.depthTexture;\n\t\t\tconst depthType = depthTexture && depthTexture.isDepthTexture ? depthTexture.type : null;\n\t\t\tconst glInternalFormat = getInternalDepthFormat( renderTarget.stencilBuffer, depthType );\n\t\t\tconst glAttachmentType = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT;\n\n\t\t\t// set up the attachment\n\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\t\t\tconst isUseMultisampledRTT = useMultisampledRTT( renderTarget );\n\t\t\tif ( isUseMultisampledRTT ) {\n\n\t\t\t\tmultisampledRTTExt.renderbufferStorageMultisampleEXT( _gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t} else if ( isMultisample ) {\n\n\t\t\t\t_gl.renderbufferStorageMultisample( _gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, glAttachmentType, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t} else {\n\n\t\t\tconst textures = renderTarget.textures;\n\n\t\t\tfor ( let i = 0; i < textures.length; i ++ ) {\n\n\t\t\t\tconst texture = textures[ i ];\n\n\t\t\t\tconst glFormat = utils.convert( texture.format, texture.colorSpace );\n\t\t\t\tconst glType = utils.convert( texture.type );\n\t\t\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.colorSpace );\n\t\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\t\t\tif ( isMultisample && useMultisampledRTT( renderTarget ) === false ) {\n\n\t\t\t\t\t_gl.renderbufferStorageMultisample( _gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t} else if ( useMultisampledRTT( renderTarget ) ) {\n\n\t\t\t\t\tmultisampledRTTExt.renderbufferStorageMultisampleEXT( _gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, null );\n\n\t}\n\n\t// Setup resources for a Depth Texture for a FBO (needs an extension)\n\tfunction setupDepthTexture( framebuffer, renderTarget ) {\n\n\t\tconst isCube = ( renderTarget && renderTarget.isWebGLCubeRenderTarget );\n\t\tif ( isCube ) throw new Error( 'Depth Texture with cube render targets is not supported' );\n\n\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\tif ( ! ( renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture ) ) {\n\n\t\t\tthrow new Error( 'renderTarget.depthTexture must be an instance of THREE.DepthTexture' );\n\n\t\t}\n\n\t\tconst textureProperties = properties.get( renderTarget.depthTexture );\n\t\ttextureProperties.__renderTarget = renderTarget;\n\n\t\t// upload an empty depth texture with framebuffer size\n\t\tif ( ! textureProperties.__webglTexture ||\n\t\t\t\trenderTarget.depthTexture.image.width !== renderTarget.width ||\n\t\t\t\trenderTarget.depthTexture.image.height !== renderTarget.height ) {\n\n\t\t\trenderTarget.depthTexture.image.width = renderTarget.width;\n\t\t\trenderTarget.depthTexture.image.height = renderTarget.height;\n\t\t\trenderTarget.depthTexture.needsUpdate = true;\n\n\t\t}\n\n\t\tsetTexture2D( renderTarget.depthTexture, 0 );\n\n\t\tconst webglDepthTexture = textureProperties.__webglTexture;\n\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\tif ( renderTarget.depthTexture.format === DepthFormat ) {\n\n\t\t\tif ( useMultisampledRTT( renderTarget ) ) {\n\n\t\t\t\tmultisampledRTTExt.framebufferTexture2DMultisampleEXT( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0, samples );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );\n\n\t\t\t}\n\n\t\t} else if ( renderTarget.depthTexture.format === DepthStencilFormat ) {\n\n\t\t\tif ( useMultisampledRTT( renderTarget ) ) {\n\n\t\t\t\tmultisampledRTTExt.framebufferTexture2DMultisampleEXT( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0, samples );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'Unknown depthTexture format' );\n\n\t\t}\n\n\t}\n\n\t// Setup GL resources for a non-texture depth buffer\n\tfunction setupDepthRenderbuffer( renderTarget ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst isCube = ( renderTarget.isWebGLCubeRenderTarget === true );\n\n\t\t// if the bound depth texture has changed\n\t\tif ( renderTargetProperties.__boundDepthTexture !== renderTarget.depthTexture ) {\n\n\t\t\t// fire the dispose event to get rid of stored state associated with the previously bound depth buffer\n\t\t\tconst depthTexture = renderTarget.depthTexture;\n\t\t\tif ( renderTargetProperties.__depthDisposeCallback ) {\n\n\t\t\t\trenderTargetProperties.__depthDisposeCallback();\n\n\t\t\t}\n\n\t\t\t// set up dispose listeners to track when the currently attached buffer is implicitly unbound\n\t\t\tif ( depthTexture ) {\n\n\t\t\t\tconst disposeEvent = () => {\n\n\t\t\t\t\tdelete renderTargetProperties.__boundDepthTexture;\n\t\t\t\t\tdelete renderTargetProperties.__depthDisposeCallback;\n\t\t\t\t\tdepthTexture.removeEventListener( 'dispose', disposeEvent );\n\n\t\t\t\t};\n\n\t\t\t\tdepthTexture.addEventListener( 'dispose', disposeEvent );\n\t\t\t\trenderTargetProperties.__depthDisposeCallback = disposeEvent;\n\n\t\t\t}\n\n\t\t\trenderTargetProperties.__boundDepthTexture = depthTexture;\n\n\t\t}\n\n\t\tif ( renderTarget.depthTexture && ! renderTargetProperties.__autoAllocateDepthBuffer ) {\n\n\t\t\tif ( isCube ) throw new Error( 'target.depthTexture not supported in Cube render targets' );\n\n\t\t\tsetupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget );\n\n\t\t} else {\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\trenderTargetProperties.__webglDepthbuffer = [];\n\n\t\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[ i ] );\n\n\t\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer[ i ] === undefined ) {\n\n\t\t\t\t\t\trenderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer();\n\t\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget, false );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// attach buffer if it's been created already\n\t\t\t\t\t\tconst glAttachmentType = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT;\n\t\t\t\t\t\tconst renderbuffer = renderTargetProperties.__webglDepthbuffer[ i ];\n\t\t\t\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer );\n\t\t\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, glAttachmentType, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer );\n\n\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer === undefined ) {\n\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer();\n\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget, false );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// attach buffer if it's been created already\n\t\t\t\t\tconst glAttachmentType = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT;\n\t\t\t\t\tconst renderbuffer = renderTargetProperties.__webglDepthbuffer;\n\t\t\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer );\n\t\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, glAttachmentType, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t}\n\n\t// rebind framebuffer with external textures\n\tfunction rebindTextures( renderTarget, colorTexture, depthTexture ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\tif ( colorTexture !== undefined ) {\n\n\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, renderTarget.texture, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, 0 );\n\n\t\t}\n\n\t\tif ( depthTexture !== undefined ) {\n\n\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t}\n\n\t}\n\n\t// Set up GL resources for the render target\n\tfunction setupRenderTarget( renderTarget ) {\n\n\t\tconst texture = renderTarget.texture;\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst textureProperties = properties.get( texture );\n\n\t\trenderTarget.addEventListener( 'dispose', onRenderTargetDispose );\n\n\t\tconst textures = renderTarget.textures;\n\n\t\tconst isCube = ( renderTarget.isWebGLCubeRenderTarget === true );\n\t\tconst isMultipleRenderTargets = ( textures.length > 1 );\n\n\t\tif ( ! isMultipleRenderTargets ) {\n\n\t\t\tif ( textureProperties.__webglTexture === undefined ) {\n\n\t\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t}\n\n\t\t\ttextureProperties.__version = texture.version;\n\t\t\tinfo.memory.textures ++;\n\n\t\t}\n\n\t\t// Setup framebuffer\n\n\t\tif ( isCube ) {\n\n\t\t\trenderTargetProperties.__webglFramebuffer = [];\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( texture.mipmaps && texture.mipmaps.length > 0 ) {\n\n\t\t\t\t\trenderTargetProperties.__webglFramebuffer[ i ] = [];\n\n\t\t\t\t\tfor ( let level = 0; level < texture.mipmaps.length; level ++ ) {\n\n\t\t\t\t\t\trenderTargetProperties.__webglFramebuffer[ i ][ level ] = _gl.createFramebuffer();\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tif ( texture.mipmaps && texture.mipmaps.length > 0 ) {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer = [];\n\n\t\t\t\tfor ( let level = 0; level < texture.mipmaps.length; level ++ ) {\n\n\t\t\t\t\trenderTargetProperties.__webglFramebuffer[ level ] = _gl.createFramebuffer();\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer = _gl.createFramebuffer();\n\n\t\t\t}\n\n\t\t\tif ( isMultipleRenderTargets ) {\n\n\t\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst attachmentProperties = properties.get( textures[ i ] );\n\n\t\t\t\t\tif ( attachmentProperties.__webglTexture === undefined ) {\n\n\t\t\t\t\t\tattachmentProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t\t\t\tinfo.memory.textures ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( ( renderTarget.samples > 0 ) && useMultisampledRTT( renderTarget ) === false ) {\n\n\t\t\t\trenderTargetProperties.__webglMultisampledFramebuffer = _gl.createFramebuffer();\n\t\t\t\trenderTargetProperties.__webglColorRenderbuffer = [];\n\n\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer );\n\n\t\t\t\tfor ( let i = 0; i < textures.length; i ++ ) {\n\n\t\t\t\t\tconst texture = textures[ i ];\n\t\t\t\t\trenderTargetProperties.__webglColorRenderbuffer[ i ] = _gl.createRenderbuffer();\n\n\t\t\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[ i ] );\n\n\t\t\t\t\tconst glFormat = utils.convert( texture.format, texture.colorSpace );\n\t\t\t\t\tconst glType = utils.convert( texture.type );\n\t\t\t\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.colorSpace, renderTarget.isXRRenderTarget === true );\n\t\t\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\t\t\t\t\t_gl.renderbufferStorageMultisample( _gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, null );\n\n\t\t\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t\t\trenderTargetProperties.__webglDepthRenderbuffer = _gl.createRenderbuffer();\n\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthRenderbuffer, renderTarget, true );\n\n\t\t\t\t}\n\n\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Setup color buffer\n\n\t\tif ( isCube ) {\n\n\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture );\n\t\t\tsetTextureParameters( _gl.TEXTURE_CUBE_MAP, texture );\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( texture.mipmaps && texture.mipmaps.length > 0 ) {\n\n\t\t\t\t\tfor ( let level = 0; level < texture.mipmaps.length; level ++ ) {\n\n\t\t\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ][ level ], renderTarget, texture, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, level );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, texture, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture ) ) {\n\n\t\t\t\tgenerateMipmap( _gl.TEXTURE_CUBE_MAP );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t} else if ( isMultipleRenderTargets ) {\n\n\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\tconst attachment = textures[ i ];\n\t\t\t\tconst attachmentProperties = properties.get( attachment );\n\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_2D, attachmentProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( _gl.TEXTURE_2D, attachment );\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, attachment, _gl.COLOR_ATTACHMENT0 + i, _gl.TEXTURE_2D, 0 );\n\n\t\t\t\tif ( textureNeedsGenerateMipmaps( attachment ) ) {\n\n\t\t\t\t\tgenerateMipmap( _gl.TEXTURE_2D );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t} else {\n\n\t\t\tlet glTextureType = _gl.TEXTURE_2D;\n\n\t\t\tif ( renderTarget.isWebGL3DRenderTarget || renderTarget.isWebGLArrayRenderTarget ) {\n\n\t\t\t\tglTextureType = renderTarget.isWebGL3DRenderTarget ? _gl.TEXTURE_3D : _gl.TEXTURE_2D_ARRAY;\n\n\t\t\t}\n\n\t\t\tstate.bindTexture( glTextureType, textureProperties.__webglTexture );\n\t\t\tsetTextureParameters( glTextureType, texture );\n\n\t\t\tif ( texture.mipmaps && texture.mipmaps.length > 0 ) {\n\n\t\t\t\tfor ( let level = 0; level < texture.mipmaps.length; level ++ ) {\n\n\t\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ level ], renderTarget, texture, _gl.COLOR_ATTACHMENT0, glTextureType, level );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, texture, _gl.COLOR_ATTACHMENT0, glTextureType, 0 );\n\n\t\t\t}\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture ) ) {\n\n\t\t\t\tgenerateMipmap( glTextureType );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t}\n\n\t\t// Setup depth and stencil buffers\n\n\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t}\n\n\t}\n\n\tfunction updateRenderTargetMipmap( renderTarget ) {\n\n\t\tconst textures = renderTarget.textures;\n\n\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\tconst texture = textures[ i ];\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture ) ) {\n\n\t\t\t\tconst targetType = getTargetType( renderTarget );\n\t\t\t\tconst webglTexture = properties.get( texture ).__webglTexture;\n\n\t\t\t\tstate.bindTexture( targetType, webglTexture );\n\t\t\t\tgenerateMipmap( targetType );\n\t\t\t\tstate.unbindTexture();\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tconst invalidationArrayRead = [];\n\tconst invalidationArrayDraw = [];\n\n\tfunction updateMultisampleRenderTarget( renderTarget ) {\n\n\t\tif ( renderTarget.samples > 0 ) {\n\n\t\t\tif ( useMultisampledRTT( renderTarget ) === false ) {\n\n\t\t\t\tconst textures = renderTarget.textures;\n\t\t\t\tconst width = renderTarget.width;\n\t\t\t\tconst height = renderTarget.height;\n\t\t\t\tlet mask = _gl.COLOR_BUFFER_BIT;\n\t\t\t\tconst depthStyle = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT;\n\t\t\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\t\t\tconst isMultipleRenderTargets = ( textures.length > 1 );\n\n\t\t\t\t// If MRT we need to remove FBO attachments\n\t\t\t\tif ( isMultipleRenderTargets ) {\n\n\t\t\t\t\tfor ( let i = 0; i < textures.length; i ++ ) {\n\n\t\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.RENDERBUFFER, null );\n\n\t\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer );\n\t\t\t\t\t\t_gl.framebufferTexture2D( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.TEXTURE_2D, null, 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tstate.bindFramebuffer( _gl.READ_FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, renderTargetProperties.__webglFramebuffer );\n\n\t\t\t\tfor ( let i = 0; i < textures.length; i ++ ) {\n\n\t\t\t\t\tif ( renderTarget.resolveDepthBuffer ) {\n\n\t\t\t\t\t\tif ( renderTarget.depthBuffer ) mask |= _gl.DEPTH_BUFFER_BIT;\n\n\t\t\t\t\t\t// resolving stencil is slow with a D3D backend. disable it for all transmission render targets (see #27799)\n\n\t\t\t\t\t\tif ( renderTarget.stencilBuffer && renderTarget.resolveStencilBuffer ) mask |= _gl.STENCIL_BUFFER_BIT;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( isMultipleRenderTargets ) {\n\n\t\t\t\t\t\t_gl.framebufferRenderbuffer( _gl.READ_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[ i ] );\n\n\t\t\t\t\t\tconst webglTexture = properties.get( textures[ i ] ).__webglTexture;\n\t\t\t\t\t\t_gl.framebufferTexture2D( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, webglTexture, 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_gl.blitFramebuffer( 0, 0, width, height, 0, 0, width, height, mask, _gl.NEAREST );\n\n\t\t\t\t\tif ( supportsInvalidateFramebuffer === true ) {\n\n\t\t\t\t\t\tinvalidationArrayRead.length = 0;\n\t\t\t\t\t\tinvalidationArrayDraw.length = 0;\n\n\t\t\t\t\t\tinvalidationArrayRead.push( _gl.COLOR_ATTACHMENT0 + i );\n\n\t\t\t\t\t\tif ( renderTarget.depthBuffer && renderTarget.resolveDepthBuffer === false ) {\n\n\t\t\t\t\t\t\tinvalidationArrayRead.push( depthStyle );\n\t\t\t\t\t\t\tinvalidationArrayDraw.push( depthStyle );\n\n\t\t\t\t\t\t\t_gl.invalidateFramebuffer( _gl.DRAW_FRAMEBUFFER, invalidationArrayDraw );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t_gl.invalidateFramebuffer( _gl.READ_FRAMEBUFFER, invalidationArrayRead );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tstate.bindFramebuffer( _gl.READ_FRAMEBUFFER, null );\n\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, null );\n\n\t\t\t\t// If MRT since pre-blit we removed the FBO we need to reconstruct the attachments\n\t\t\t\tif ( isMultipleRenderTargets ) {\n\n\t\t\t\t\tfor ( let i = 0; i < textures.length; i ++ ) {\n\n\t\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[ i ] );\n\n\t\t\t\t\t\tconst webglTexture = properties.get( textures[ i ] ).__webglTexture;\n\n\t\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer );\n\t\t\t\t\t\t_gl.framebufferTexture2D( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.TEXTURE_2D, webglTexture, 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer );\n\n\t\t\t} else {\n\n\t\t\t\tif ( renderTarget.depthBuffer && renderTarget.resolveDepthBuffer === false && supportsInvalidateFramebuffer ) {\n\n\t\t\t\t\tconst depthStyle = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT;\n\n\t\t\t\t\t_gl.invalidateFramebuffer( _gl.DRAW_FRAMEBUFFER, [ depthStyle ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction getRenderTargetSamples( renderTarget ) {\n\n\t\treturn Math.min( capabilities.maxSamples, renderTarget.samples );\n\n\t}\n\n\tfunction useMultisampledRTT( renderTarget ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\treturn renderTarget.samples > 0 && extensions.has( 'WEBGL_multisampled_render_to_texture' ) === true && renderTargetProperties.__useRenderToTexture !== false;\n\n\t}\n\n\tfunction updateVideoTexture( texture ) {\n\n\t\tconst frame = info.render.frame;\n\n\t\t// Check the last frame we updated the VideoTexture\n\n\t\tif ( _videoTextures.get( texture ) !== frame ) {\n\n\t\t\t_videoTextures.set( texture, frame );\n\t\t\ttexture.update();\n\n\t\t}\n\n\t}\n\n\tfunction verifyColorSpace( texture, image ) {\n\n\t\tconst colorSpace = texture.colorSpace;\n\t\tconst format = texture.format;\n\t\tconst type = texture.type;\n\n\t\tif ( texture.isCompressedTexture === true || texture.isVideoTexture === true ) return image;\n\n\t\tif ( colorSpace !== LinearSRGBColorSpace && colorSpace !== NoColorSpace ) {\n\n\t\t\t// sRGB\n\n\t\t\tif ( ColorManagement.getTransfer( colorSpace ) === SRGBTransfer ) {\n\n\t\t\t\t// in WebGL 2 uncompressed textures can only be sRGB encoded if they have the RGBA8 format\n\n\t\t\t\tif ( format !== RGBAFormat || type !== UnsignedByteType ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLTextures: sRGB encoded textures have to use RGBAFormat and UnsignedByteType.' );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( 'THREE.WebGLTextures: Unsupported texture color space:', colorSpace );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn image;\n\n\t}\n\n\tfunction getDimensions( image ) {\n\n\t\tif ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) {\n\n\t\t\t// if intrinsic data are not available, fallback to width/height\n\n\t\t\t_imageDimensions.width = image.naturalWidth || image.width;\n\t\t\t_imageDimensions.height = image.naturalHeight || image.height;\n\n\t\t} else if ( typeof VideoFrame !== 'undefined' && image instanceof VideoFrame ) {\n\n\t\t\t_imageDimensions.width = image.displayWidth;\n\t\t\t_imageDimensions.height = image.displayHeight;\n\n\t\t} else {\n\n\t\t\t_imageDimensions.width = image.width;\n\t\t\t_imageDimensions.height = image.height;\n\n\t\t}\n\n\t\treturn _imageDimensions;\n\n\t}\n\n\t//\n\n\tthis.allocateTextureUnit = allocateTextureUnit;\n\tthis.resetTextureUnits = resetTextureUnits;\n\n\tthis.setTexture2D = setTexture2D;\n\tthis.setTexture2DArray = setTexture2DArray;\n\tthis.setTexture3D = setTexture3D;\n\tthis.setTextureCube = setTextureCube;\n\tthis.rebindTextures = rebindTextures;\n\tthis.setupRenderTarget = setupRenderTarget;\n\tthis.updateRenderTargetMipmap = updateRenderTargetMipmap;\n\tthis.updateMultisampleRenderTarget = updateMultisampleRenderTarget;\n\tthis.setupDepthRenderbuffer = setupDepthRenderbuffer;\n\tthis.setupFrameBufferTexture = setupFrameBufferTexture;\n\tthis.useMultisampledRTT = useMultisampledRTT;\n\n}\n\nfunction WebGLUtils( gl, extensions ) {\n\n\tfunction convert( p, colorSpace = NoColorSpace ) {\n\n\t\tlet extension;\n\n\t\tconst transfer = ColorManagement.getTransfer( colorSpace );\n\n\t\tif ( p === UnsignedByteType ) return gl.UNSIGNED_BYTE;\n\t\tif ( p === UnsignedShort4444Type ) return gl.UNSIGNED_SHORT_4_4_4_4;\n\t\tif ( p === UnsignedShort5551Type ) return gl.UNSIGNED_SHORT_5_5_5_1;\n\t\tif ( p === UnsignedInt5999Type ) return gl.UNSIGNED_INT_5_9_9_9_REV;\n\n\t\tif ( p === ByteType ) return gl.BYTE;\n\t\tif ( p === ShortType ) return gl.SHORT;\n\t\tif ( p === UnsignedShortType ) return gl.UNSIGNED_SHORT;\n\t\tif ( p === IntType ) return gl.INT;\n\t\tif ( p === UnsignedIntType ) return gl.UNSIGNED_INT;\n\t\tif ( p === FloatType ) return gl.FLOAT;\n\t\tif ( p === HalfFloatType ) return gl.HALF_FLOAT;\n\n\t\tif ( p === AlphaFormat ) return gl.ALPHA;\n\t\tif ( p === RGBFormat ) return gl.RGB;\n\t\tif ( p === RGBAFormat ) return gl.RGBA;\n\t\tif ( p === LuminanceFormat ) return gl.LUMINANCE;\n\t\tif ( p === LuminanceAlphaFormat ) return gl.LUMINANCE_ALPHA;\n\t\tif ( p === DepthFormat ) return gl.DEPTH_COMPONENT;\n\t\tif ( p === DepthStencilFormat ) return gl.DEPTH_STENCIL;\n\n\t\t// WebGL2 formats.\n\n\t\tif ( p === RedFormat ) return gl.RED;\n\t\tif ( p === RedIntegerFormat ) return gl.RED_INTEGER;\n\t\tif ( p === RGFormat ) return gl.RG;\n\t\tif ( p === RGIntegerFormat ) return gl.RG_INTEGER;\n\t\tif ( p === RGBAIntegerFormat ) return gl.RGBA_INTEGER;\n\n\t\t// S3TC\n\n\t\tif ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format || p === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) {\n\n\t\t\tif ( transfer === SRGBTransfer ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_s3tc_srgb' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_SRGB_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT;\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT;\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// PVRTC\n\n\t\tif ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format || p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;\n\t\t\t\tif ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;\n\t\t\t\tif ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;\n\t\t\t\tif ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// ETC\n\n\t\tif ( p === RGB_ETC1_Format || p === RGB_ETC2_Format || p === RGBA_ETC2_EAC_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_etc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGB_ETC1_Format || p === RGB_ETC2_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ETC2 : extension.COMPRESSED_RGB8_ETC2;\n\t\t\t\tif ( p === RGBA_ETC2_EAC_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC : extension.COMPRESSED_RGBA8_ETC2_EAC;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// ASTC\n\n\t\tif ( p === RGBA_ASTC_4x4_Format || p === RGBA_ASTC_5x4_Format || p === RGBA_ASTC_5x5_Format ||\n\t\t\tp === RGBA_ASTC_6x5_Format || p === RGBA_ASTC_6x6_Format || p === RGBA_ASTC_8x5_Format ||\n\t\t\tp === RGBA_ASTC_8x6_Format || p === RGBA_ASTC_8x8_Format || p === RGBA_ASTC_10x5_Format ||\n\t\t\tp === RGBA_ASTC_10x6_Format || p === RGBA_ASTC_10x8_Format || p === RGBA_ASTC_10x10_Format ||\n\t\t\tp === RGBA_ASTC_12x10_Format || p === RGBA_ASTC_12x12_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_astc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGBA_ASTC_4x4_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR : extension.COMPRESSED_RGBA_ASTC_4x4_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_5x4_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR : extension.COMPRESSED_RGBA_ASTC_5x4_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_5x5_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR : extension.COMPRESSED_RGBA_ASTC_5x5_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_6x5_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR : extension.COMPRESSED_RGBA_ASTC_6x5_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_6x6_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR : extension.COMPRESSED_RGBA_ASTC_6x6_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_8x5_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR : extension.COMPRESSED_RGBA_ASTC_8x5_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_8x6_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR : extension.COMPRESSED_RGBA_ASTC_8x6_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_8x8_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR : extension.COMPRESSED_RGBA_ASTC_8x8_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_10x5_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR : extension.COMPRESSED_RGBA_ASTC_10x5_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_10x6_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR : extension.COMPRESSED_RGBA_ASTC_10x6_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_10x8_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR : extension.COMPRESSED_RGBA_ASTC_10x8_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_10x10_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR : extension.COMPRESSED_RGBA_ASTC_10x10_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_12x10_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR : extension.COMPRESSED_RGBA_ASTC_12x10_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_12x12_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR : extension.COMPRESSED_RGBA_ASTC_12x12_KHR;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// BPTC\n\n\t\tif ( p === RGBA_BPTC_Format || p === RGB_BPTC_SIGNED_Format || p === RGB_BPTC_UNSIGNED_Format ) {\n\n\t\t\textension = extensions.get( 'EXT_texture_compression_bptc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGBA_BPTC_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT : extension.COMPRESSED_RGBA_BPTC_UNORM_EXT;\n\t\t\t\tif ( p === RGB_BPTC_SIGNED_Format ) return extension.COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT;\n\t\t\t\tif ( p === RGB_BPTC_UNSIGNED_Format ) return extension.COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// RGTC\n\n\t\tif ( p === RED_RGTC1_Format || p === SIGNED_RED_RGTC1_Format || p === RED_GREEN_RGTC2_Format || p === SIGNED_RED_GREEN_RGTC2_Format ) {\n\n\t\t\textension = extensions.get( 'EXT_texture_compression_rgtc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGBA_BPTC_Format ) return extension.COMPRESSED_RED_RGTC1_EXT;\n\t\t\t\tif ( p === SIGNED_RED_RGTC1_Format ) return extension.COMPRESSED_SIGNED_RED_RGTC1_EXT;\n\t\t\t\tif ( p === RED_GREEN_RGTC2_Format ) return extension.COMPRESSED_RED_GREEN_RGTC2_EXT;\n\t\t\t\tif ( p === SIGNED_RED_GREEN_RGTC2_Format ) return extension.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tif ( p === UnsignedInt248Type ) return gl.UNSIGNED_INT_24_8;\n\n\t\t// if \"p\" can't be resolved, assume the user defines a WebGL constant as a string (fallback/workaround for packed RGB formats)\n\n\t\treturn ( gl[ p ] !== undefined ) ? gl[ p ] : null;\n\n\t}\n\n\treturn { convert: convert };\n\n}\n\nconst _occlusion_vertex = `\nvoid main() {\n\n\tgl_Position = vec4( position, 1.0 );\n\n}`;\n\nconst _occlusion_fragment = `\nuniform sampler2DArray depthColor;\nuniform float depthWidth;\nuniform float depthHeight;\n\nvoid main() {\n\n\tvec2 coord = vec2( gl_FragCoord.x / depthWidth, gl_FragCoord.y / depthHeight );\n\n\tif ( coord.x >= 1.0 ) {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x - 1.0, coord.y, 1 ) ).r;\n\n\t} else {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x, coord.y, 0 ) ).r;\n\n\t}\n\n}`;\n\nclass WebXRDepthSensing {\n\n\tconstructor() {\n\n\t\tthis.texture = null;\n\t\tthis.mesh = null;\n\n\t\tthis.depthNear = 0;\n\t\tthis.depthFar = 0;\n\n\t}\n\n\tinit( renderer, depthData, renderState ) {\n\n\t\tif ( this.texture === null ) {\n\n\t\t\tconst texture = new Texture();\n\n\t\t\tconst texProps = renderer.properties.get( texture );\n\t\t\ttexProps.__webglTexture = depthData.texture;\n\n\t\t\tif ( ( depthData.depthNear !== renderState.depthNear ) || ( depthData.depthFar !== renderState.depthFar ) ) {\n\n\t\t\t\tthis.depthNear = depthData.depthNear;\n\t\t\t\tthis.depthFar = depthData.depthFar;\n\n\t\t\t}\n\n\t\t\tthis.texture = texture;\n\n\t\t}\n\n\t}\n\n\tgetMesh( cameraXR ) {\n\n\t\tif ( this.texture !== null ) {\n\n\t\t\tif ( this.mesh === null ) {\n\n\t\t\t\tconst viewport = cameraXR.cameras[ 0 ].viewport;\n\t\t\t\tconst material = new ShaderMaterial( {\n\t\t\t\t\tvertexShader: _occlusion_vertex,\n\t\t\t\t\tfragmentShader: _occlusion_fragment,\n\t\t\t\t\tuniforms: {\n\t\t\t\t\t\tdepthColor: { value: this.texture },\n\t\t\t\t\t\tdepthWidth: { value: viewport.z },\n\t\t\t\t\t\tdepthHeight: { value: viewport.w }\n\t\t\t\t\t}\n\t\t\t\t} );\n\n\t\t\t\tthis.mesh = new Mesh( new PlaneGeometry( 20, 20 ), material );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this.mesh;\n\n\t}\n\n\treset() {\n\n\t\tthis.texture = null;\n\t\tthis.mesh = null;\n\n\t}\n\n\tgetDepthTexture() {\n\n\t\treturn this.texture;\n\n\t}\n\n}\n\nclass WebXRManager extends EventDispatcher {\n\n\tconstructor( renderer, gl ) {\n\n\t\tsuper();\n\n\t\tconst scope = this;\n\n\t\tlet session = null;\n\n\t\tlet framebufferScaleFactor = 1.0;\n\n\t\tlet referenceSpace = null;\n\t\tlet referenceSpaceType = 'local-floor';\n\t\t// Set default foveation to maximum.\n\t\tlet foveation = 1.0;\n\t\tlet customReferenceSpace = null;\n\n\t\tlet pose = null;\n\t\tlet glBinding = null;\n\t\tlet glProjLayer = null;\n\t\tlet glBaseLayer = null;\n\t\tlet xrFrame = null;\n\n\t\tconst depthSensing = new WebXRDepthSensing();\n\t\tconst attributes = gl.getContextAttributes();\n\n\t\tlet initialRenderTarget = null;\n\t\tlet newRenderTarget = null;\n\n\t\tconst controllers = [];\n\t\tconst controllerInputSources = [];\n\n\t\tconst currentSize = new Vector2();\n\t\tlet currentPixelRatio = null;\n\n\t\t//\n\n\t\tconst cameraL = new PerspectiveCamera();\n\t\tcameraL.viewport = new Vector4();\n\n\t\tconst cameraR = new PerspectiveCamera();\n\t\tcameraR.viewport = new Vector4();\n\n\t\tconst cameras = [ cameraL, cameraR ];\n\n\t\tconst cameraXR = new ArrayCamera();\n\n\t\tlet _currentDepthNear = null;\n\t\tlet _currentDepthFar = null;\n\n\t\t//\n\n\t\tthis.cameraAutoUpdate = true;\n\t\tthis.enabled = false;\n\n\t\tthis.isPresenting = false;\n\n\t\tthis.getController = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getTargetRaySpace();\n\n\t\t};\n\n\t\tthis.getControllerGrip = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getGripSpace();\n\n\t\t};\n\n\t\tthis.getHand = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getHandSpace();\n\n\t\t};\n\n\t\t//\n\n\t\tfunction onSessionEvent( event ) {\n\n\t\t\tconst controllerIndex = controllerInputSources.indexOf( event.inputSource );\n\n\t\t\tif ( controllerIndex === - 1 ) {\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tconst controller = controllers[ controllerIndex ];\n\n\t\t\tif ( controller !== undefined ) {\n\n\t\t\t\tcontroller.update( event.inputSource, event.frame, customReferenceSpace || referenceSpace );\n\t\t\t\tcontroller.dispatchEvent( { type: event.type, data: event.inputSource } );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onSessionEnd() {\n\n\t\t\tsession.removeEventListener( 'select', onSessionEvent );\n\t\t\tsession.removeEventListener( 'selectstart', onSessionEvent );\n\t\t\tsession.removeEventListener( 'selectend', onSessionEvent );\n\t\t\tsession.removeEventListener( 'squeeze', onSessionEvent );\n\t\t\tsession.removeEventListener( 'squeezestart', onSessionEvent );\n\t\t\tsession.removeEventListener( 'squeezeend', onSessionEvent );\n\t\t\tsession.removeEventListener( 'end', onSessionEnd );\n\t\t\tsession.removeEventListener( 'inputsourceschange', onInputSourcesChange );\n\n\t\t\tfor ( let i = 0; i < controllers.length; i ++ ) {\n\n\t\t\t\tconst inputSource = controllerInputSources[ i ];\n\n\t\t\t\tif ( inputSource === null ) continue;\n\n\t\t\t\tcontrollerInputSources[ i ] = null;\n\n\t\t\t\tcontrollers[ i ].disconnect( inputSource );\n\n\t\t\t}\n\n\t\t\t_currentDepthNear = null;\n\t\t\t_currentDepthFar = null;\n\n\t\t\tdepthSensing.reset();\n\n\t\t\t// restore framebuffer/rendering state\n\n\t\t\trenderer.setRenderTarget( initialRenderTarget );\n\n\t\t\tglBaseLayer = null;\n\t\t\tglProjLayer = null;\n\t\t\tglBinding = null;\n\t\t\tsession = null;\n\t\t\tnewRenderTarget = null;\n\n\t\t\t//\n\n\t\t\tanimation.stop();\n\n\t\t\tscope.isPresenting = false;\n\n\t\t\trenderer.setPixelRatio( currentPixelRatio );\n\t\t\trenderer.setSize( currentSize.width, currentSize.height, false );\n\n\t\t\tscope.dispatchEvent( { type: 'sessionend' } );\n\n\t\t}\n\n\t\tthis.setFramebufferScaleFactor = function ( value ) {\n\n\t\t\tframebufferScaleFactor = value;\n\n\t\t\tif ( scope.isPresenting === true ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebXRManager: Cannot change framebuffer scale while presenting.' );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.setReferenceSpaceType = function ( value ) {\n\n\t\t\treferenceSpaceType = value;\n\n\t\t\tif ( scope.isPresenting === true ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebXRManager: Cannot change reference space type while presenting.' );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getReferenceSpace = function () {\n\n\t\t\treturn customReferenceSpace || referenceSpace;\n\n\t\t};\n\n\t\tthis.setReferenceSpace = function ( space ) {\n\n\t\t\tcustomReferenceSpace = space;\n\n\t\t};\n\n\t\tthis.getBaseLayer = function () {\n\n\t\t\treturn glProjLayer !== null ? glProjLayer : glBaseLayer;\n\n\t\t};\n\n\t\tthis.getBinding = function () {\n\n\t\t\treturn glBinding;\n\n\t\t};\n\n\t\tthis.getFrame = function () {\n\n\t\t\treturn xrFrame;\n\n\t\t};\n\n\t\tthis.getSession = function () {\n\n\t\t\treturn session;\n\n\t\t};\n\n\t\tthis.setSession = async function ( value ) {\n\n\t\t\tsession = value;\n\n\t\t\tif ( session !== null ) {\n\n\t\t\t\tinitialRenderTarget = renderer.getRenderTarget();\n\n\t\t\t\tsession.addEventListener( 'select', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'selectstart', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'selectend', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeeze', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeezestart', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeezeend', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'end', onSessionEnd );\n\t\t\t\tsession.addEventListener( 'inputsourceschange', onInputSourcesChange );\n\n\t\t\t\tif ( attributes.xrCompatible !== true ) {\n\n\t\t\t\t\tawait gl.makeXRCompatible();\n\n\t\t\t\t}\n\n\t\t\t\tcurrentPixelRatio = renderer.getPixelRatio();\n\t\t\t\trenderer.getSize( currentSize );\n\n\t\t\t\t// Check that the browser implements the necessary APIs to use an\n\t\t\t\t// XRProjectionLayer rather than an XRWebGLLayer\n\t\t\t\tconst useLayers = typeof XRWebGLBinding !== 'undefined' && 'createProjectionLayer' in XRWebGLBinding.prototype;\n\n\t\t\t\tif ( ! useLayers ) {\n\n\t\t\t\t\tconst layerInit = {\n\t\t\t\t\t\tantialias: attributes.antialias,\n\t\t\t\t\t\talpha: true,\n\t\t\t\t\t\tdepth: attributes.depth,\n\t\t\t\t\t\tstencil: attributes.stencil,\n\t\t\t\t\t\tframebufferScaleFactor: framebufferScaleFactor\n\t\t\t\t\t};\n\n\t\t\t\t\tglBaseLayer = new XRWebGLLayer( session, gl, layerInit );\n\n\t\t\t\t\tsession.updateRenderState( { baseLayer: glBaseLayer } );\n\n\t\t\t\t\trenderer.setPixelRatio( 1 );\n\t\t\t\t\trenderer.setSize( glBaseLayer.framebufferWidth, glBaseLayer.framebufferHeight, false );\n\n\t\t\t\t\tnewRenderTarget = new WebGLRenderTarget(\n\t\t\t\t\t\tglBaseLayer.framebufferWidth,\n\t\t\t\t\t\tglBaseLayer.framebufferHeight,\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tformat: RGBAFormat,\n\t\t\t\t\t\t\ttype: UnsignedByteType,\n\t\t\t\t\t\t\tcolorSpace: renderer.outputColorSpace,\n\t\t\t\t\t\t\tstencilBuffer: attributes.stencil\n\t\t\t\t\t\t}\n\t\t\t\t\t);\n\n\t\t\t\t} else {\n\n\t\t\t\t\tlet depthFormat = null;\n\t\t\t\t\tlet depthType = null;\n\t\t\t\t\tlet glDepthFormat = null;\n\n\t\t\t\t\tif ( attributes.depth ) {\n\n\t\t\t\t\t\tglDepthFormat = attributes.stencil ? gl.DEPTH24_STENCIL8 : gl.DEPTH_COMPONENT24;\n\t\t\t\t\t\tdepthFormat = attributes.stencil ? DepthStencilFormat : DepthFormat;\n\t\t\t\t\t\tdepthType = attributes.stencil ? UnsignedInt248Type : UnsignedIntType;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst projectionlayerInit = {\n\t\t\t\t\t\tcolorFormat: gl.RGBA8,\n\t\t\t\t\t\tdepthFormat: glDepthFormat,\n\t\t\t\t\t\tscaleFactor: framebufferScaleFactor\n\t\t\t\t\t};\n\n\t\t\t\t\tglBinding = new XRWebGLBinding( session, gl );\n\n\t\t\t\t\tglProjLayer = glBinding.createProjectionLayer( projectionlayerInit );\n\n\t\t\t\t\tsession.updateRenderState( { layers: [ glProjLayer ] } );\n\n\t\t\t\t\trenderer.setPixelRatio( 1 );\n\t\t\t\t\trenderer.setSize( glProjLayer.textureWidth, glProjLayer.textureHeight, false );\n\n\t\t\t\t\tnewRenderTarget = new WebGLRenderTarget(\n\t\t\t\t\t\tglProjLayer.textureWidth,\n\t\t\t\t\t\tglProjLayer.textureHeight,\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tformat: RGBAFormat,\n\t\t\t\t\t\t\ttype: UnsignedByteType,\n\t\t\t\t\t\t\tdepthTexture: new DepthTexture( glProjLayer.textureWidth, glProjLayer.textureHeight, depthType, undefined, undefined, undefined, undefined, undefined, undefined, depthFormat ),\n\t\t\t\t\t\t\tstencilBuffer: attributes.stencil,\n\t\t\t\t\t\t\tcolorSpace: renderer.outputColorSpace,\n\t\t\t\t\t\t\tsamples: attributes.antialias ? 4 : 0,\n\t\t\t\t\t\t\tresolveDepthBuffer: ( glProjLayer.ignoreDepthValues === false )\n\t\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t\tnewRenderTarget.isXRRenderTarget = true; // TODO Remove this when possible, see #23278\n\n\t\t\t\tthis.setFoveation( foveation );\n\n\t\t\t\tcustomReferenceSpace = null;\n\t\t\t\treferenceSpace = await session.requestReferenceSpace( referenceSpaceType );\n\n\t\t\t\tanimation.setContext( session );\n\t\t\t\tanimation.start();\n\n\t\t\t\tscope.isPresenting = true;\n\n\t\t\t\tscope.dispatchEvent( { type: 'sessionstart' } );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getEnvironmentBlendMode = function () {\n\n\t\t\tif ( session !== null ) {\n\n\t\t\t\treturn session.environmentBlendMode;\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getDepthTexture = function () {\n\n\t\t\treturn depthSensing.getDepthTexture();\n\n\t\t};\n\n\t\tfunction onInputSourcesChange( event ) {\n\n\t\t\t// Notify disconnected\n\n\t\t\tfor ( let i = 0; i < event.removed.length; i ++ ) {\n\n\t\t\t\tconst inputSource = event.removed[ i ];\n\t\t\t\tconst index = controllerInputSources.indexOf( inputSource );\n\n\t\t\t\tif ( index >= 0 ) {\n\n\t\t\t\t\tcontrollerInputSources[ index ] = null;\n\t\t\t\t\tcontrollers[ index ].disconnect( inputSource );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Notify connected\n\n\t\t\tfor ( let i = 0; i < event.added.length; i ++ ) {\n\n\t\t\t\tconst inputSource = event.added[ i ];\n\n\t\t\t\tlet controllerIndex = controllerInputSources.indexOf( inputSource );\n\n\t\t\t\tif ( controllerIndex === - 1 ) {\n\n\t\t\t\t\t// Assign input source a controller that currently has no input source\n\n\t\t\t\t\tfor ( let i = 0; i < controllers.length; i ++ ) {\n\n\t\t\t\t\t\tif ( i >= controllerInputSources.length ) {\n\n\t\t\t\t\t\t\tcontrollerInputSources.push( inputSource );\n\t\t\t\t\t\t\tcontrollerIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t} else if ( controllerInputSources[ i ] === null ) {\n\n\t\t\t\t\t\t\tcontrollerInputSources[ i ] = inputSource;\n\t\t\t\t\t\t\tcontrollerIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// If all controllers do currently receive input we ignore new ones\n\n\t\t\t\t\tif ( controllerIndex === - 1 ) break;\n\n\t\t\t\t}\n\n\t\t\t\tconst controller = controllers[ controllerIndex ];\n\n\t\t\t\tif ( controller ) {\n\n\t\t\t\t\tcontroller.connect( inputSource );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tconst cameraLPos = new Vector3();\n\t\tconst cameraRPos = new Vector3();\n\n\t\t/**\n\t\t * Assumes 2 cameras that are parallel and share an X-axis, and that\n\t\t * the cameras' projection and world matrices have already been set.\n\t\t * And that near and far planes are identical for both cameras.\n\t\t * Visualization of this technique: https://computergraphics.stackexchange.com/a/4765\n\t\t *\n\t\t * @param {ArrayCamera} camera - The camera to update.\n\t\t * @param {PerspectiveCamera} cameraL - The left camera.\n\t\t * @param {PerspectiveCamera} cameraR - The right camera.\n\t\t */\n\t\tfunction setProjectionFromUnion( camera, cameraL, cameraR ) {\n\n\t\t\tcameraLPos.setFromMatrixPosition( cameraL.matrixWorld );\n\t\t\tcameraRPos.setFromMatrixPosition( cameraR.matrixWorld );\n\n\t\t\tconst ipd = cameraLPos.distanceTo( cameraRPos );\n\n\t\t\tconst projL = cameraL.projectionMatrix.elements;\n\t\t\tconst projR = cameraR.projectionMatrix.elements;\n\n\t\t\t// VR systems will have identical far and near planes, and\n\t\t\t// most likely identical top and bottom frustum extents.\n\t\t\t// Use the left camera for these values.\n\t\t\tconst near = projL[ 14 ] / ( projL[ 10 ] - 1 );\n\t\t\tconst far = projL[ 14 ] / ( projL[ 10 ] + 1 );\n\t\t\tconst topFov = ( projL[ 9 ] + 1 ) / projL[ 5 ];\n\t\t\tconst bottomFov = ( projL[ 9 ] - 1 ) / projL[ 5 ];\n\n\t\t\tconst leftFov = ( projL[ 8 ] - 1 ) / projL[ 0 ];\n\t\t\tconst rightFov = ( projR[ 8 ] + 1 ) / projR[ 0 ];\n\t\t\tconst left = near * leftFov;\n\t\t\tconst right = near * rightFov;\n\n\t\t\t// Calculate the new camera's position offset from the\n\t\t\t// left camera. xOffset should be roughly half `ipd`.\n\t\t\tconst zOffset = ipd / ( - leftFov + rightFov );\n\t\t\tconst xOffset = zOffset * - leftFov;\n\n\t\t\t// TODO: Better way to apply this offset?\n\t\t\tcameraL.matrixWorld.decompose( camera.position, camera.quaternion, camera.scale );\n\t\t\tcamera.translateX( xOffset );\n\t\t\tcamera.translateZ( zOffset );\n\t\t\tcamera.matrixWorld.compose( camera.position, camera.quaternion, camera.scale );\n\t\t\tcamera.matrixWorldInverse.copy( camera.matrixWorld ).invert();\n\n\t\t\t// Check if the projection uses an infinite far plane.\n\t\t\tif ( projL[ 10 ] === - 1.0 ) {\n\n\t\t\t\t// Use the projection matrix from the left eye.\n\t\t\t\t// The camera offset is sufficient to include the view volumes\n\t\t\t\t// of both eyes (assuming symmetric projections).\n\t\t\t\tcamera.projectionMatrix.copy( cameraL.projectionMatrix );\n\t\t\t\tcamera.projectionMatrixInverse.copy( cameraL.projectionMatrixInverse );\n\n\t\t\t} else {\n\n\t\t\t\t// Find the union of the frustum values of the cameras and scale\n\t\t\t\t// the values so that the near plane's position does not change in world space,\n\t\t\t\t// although must now be relative to the new union camera.\n\t\t\t\tconst near2 = near + zOffset;\n\t\t\t\tconst far2 = far + zOffset;\n\t\t\t\tconst left2 = left - xOffset;\n\t\t\t\tconst right2 = right + ( ipd - xOffset );\n\t\t\t\tconst top2 = topFov * far / far2 * near2;\n\t\t\t\tconst bottom2 = bottomFov * far / far2 * near2;\n\n\t\t\t\tcamera.projectionMatrix.makePerspective( left2, right2, top2, bottom2, near2, far2 );\n\t\t\t\tcamera.projectionMatrixInverse.copy( camera.projectionMatrix ).invert();\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction updateCamera( camera, parent ) {\n\n\t\t\tif ( parent === null ) {\n\n\t\t\t\tcamera.matrixWorld.copy( camera.matrix );\n\n\t\t\t} else {\n\n\t\t\t\tcamera.matrixWorld.multiplyMatrices( parent.matrixWorld, camera.matrix );\n\n\t\t\t}\n\n\t\t\tcamera.matrixWorldInverse.copy( camera.matrixWorld ).invert();\n\n\t\t}\n\n\t\tthis.updateCamera = function ( camera ) {\n\n\t\t\tif ( session === null ) return;\n\n\t\t\tlet depthNear = camera.near;\n\t\t\tlet depthFar = camera.far;\n\n\t\t\tif ( depthSensing.texture !== null ) {\n\n\t\t\t\tif ( depthSensing.depthNear > 0 ) depthNear = depthSensing.depthNear;\n\t\t\t\tif ( depthSensing.depthFar > 0 ) depthFar = depthSensing.depthFar;\n\n\t\t\t}\n\n\t\t\tcameraXR.near = cameraR.near = cameraL.near = depthNear;\n\t\t\tcameraXR.far = cameraR.far = cameraL.far = depthFar;\n\n\t\t\tif ( _currentDepthNear !== cameraXR.near || _currentDepthFar !== cameraXR.far ) {\n\n\t\t\t\t// Note that the new renderState won't apply until the next frame. See #18320\n\n\t\t\t\tsession.updateRenderState( {\n\t\t\t\t\tdepthNear: cameraXR.near,\n\t\t\t\t\tdepthFar: cameraXR.far\n\t\t\t\t} );\n\n\t\t\t\t_currentDepthNear = cameraXR.near;\n\t\t\t\t_currentDepthFar = cameraXR.far;\n\n\t\t\t}\n\n\t\t\tcameraL.layers.mask = camera.layers.mask | 0b010;\n\t\t\tcameraR.layers.mask = camera.layers.mask | 0b100;\n\t\t\tcameraXR.layers.mask = cameraL.layers.mask | cameraR.layers.mask;\n\n\t\t\tconst parent = camera.parent;\n\t\t\tconst cameras = cameraXR.cameras;\n\n\t\t\tupdateCamera( cameraXR, parent );\n\n\t\t\tfor ( let i = 0; i < cameras.length; i ++ ) {\n\n\t\t\t\tupdateCamera( cameras[ i ], parent );\n\n\t\t\t}\n\n\t\t\t// update projection matrix for proper view frustum culling\n\n\t\t\tif ( cameras.length === 2 ) {\n\n\t\t\t\tsetProjectionFromUnion( cameraXR, cameraL, cameraR );\n\n\t\t\t} else {\n\n\t\t\t\t// assume single camera setup (AR)\n\n\t\t\t\tcameraXR.projectionMatrix.copy( cameraL.projectionMatrix );\n\n\t\t\t}\n\n\t\t\t// update user camera and its children\n\n\t\t\tupdateUserCamera( camera, cameraXR, parent );\n\n\t\t};\n\n\t\tfunction updateUserCamera( camera, cameraXR, parent ) {\n\n\t\t\tif ( parent === null ) {\n\n\t\t\t\tcamera.matrix.copy( cameraXR.matrixWorld );\n\n\t\t\t} else {\n\n\t\t\t\tcamera.matrix.copy( parent.matrixWorld );\n\t\t\t\tcamera.matrix.invert();\n\t\t\t\tcamera.matrix.multiply( cameraXR.matrixWorld );\n\n\t\t\t}\n\n\t\t\tcamera.matrix.decompose( camera.position, camera.quaternion, camera.scale );\n\t\t\tcamera.updateMatrixWorld( true );\n\n\t\t\tcamera.projectionMatrix.copy( cameraXR.projectionMatrix );\n\t\t\tcamera.projectionMatrixInverse.copy( cameraXR.projectionMatrixInverse );\n\n\t\t\tif ( camera.isPerspectiveCamera ) {\n\n\t\t\t\tcamera.fov = RAD2DEG * 2 * Math.atan( 1 / camera.projectionMatrix.elements[ 5 ] );\n\t\t\t\tcamera.zoom = 1;\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.getCamera = function () {\n\n\t\t\treturn cameraXR;\n\n\t\t};\n\n\t\tthis.getFoveation = function () {\n\n\t\t\tif ( glProjLayer === null && glBaseLayer === null ) {\n\n\t\t\t\treturn undefined;\n\n\t\t\t}\n\n\t\t\treturn foveation;\n\n\t\t};\n\n\t\tthis.setFoveation = function ( value ) {\n\n\t\t\t// 0 = no foveation = full resolution\n\t\t\t// 1 = maximum foveation = the edges render at lower resolution\n\n\t\t\tfoveation = value;\n\n\t\t\tif ( glProjLayer !== null ) {\n\n\t\t\t\tglProjLayer.fixedFoveation = value;\n\n\t\t\t}\n\n\t\t\tif ( glBaseLayer !== null && glBaseLayer.fixedFoveation !== undefined ) {\n\n\t\t\t\tglBaseLayer.fixedFoveation = value;\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.hasDepthSensing = function () {\n\n\t\t\treturn depthSensing.texture !== null;\n\n\t\t};\n\n\t\tthis.getDepthSensingMesh = function () {\n\n\t\t\treturn depthSensing.getMesh( cameraXR );\n\n\t\t};\n\n\t\t// Animation Loop\n\n\t\tlet onAnimationFrameCallback = null;\n\n\t\tfunction onAnimationFrame( time, frame ) {\n\n\t\t\tpose = frame.getViewerPose( customReferenceSpace || referenceSpace );\n\t\t\txrFrame = frame;\n\n\t\t\tif ( pose !== null ) {\n\n\t\t\t\tconst views = pose.views;\n\n\t\t\t\tif ( glBaseLayer !== null ) {\n\n\t\t\t\t\trenderer.setRenderTargetFramebuffer( newRenderTarget, glBaseLayer.framebuffer );\n\t\t\t\t\trenderer.setRenderTarget( newRenderTarget );\n\n\t\t\t\t}\n\n\t\t\t\tlet cameraXRNeedsUpdate = false;\n\n\t\t\t\t// check if it's necessary to rebuild cameraXR's camera list\n\n\t\t\t\tif ( views.length !== cameraXR.cameras.length ) {\n\n\t\t\t\t\tcameraXR.cameras.length = 0;\n\t\t\t\t\tcameraXRNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0; i < views.length; i ++ ) {\n\n\t\t\t\t\tconst view = views[ i ];\n\n\t\t\t\t\tlet viewport = null;\n\n\t\t\t\t\tif ( glBaseLayer !== null ) {\n\n\t\t\t\t\t\tviewport = glBaseLayer.getViewport( view );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst glSubImage = glBinding.getViewSubImage( glProjLayer, view );\n\t\t\t\t\t\tviewport = glSubImage.viewport;\n\n\t\t\t\t\t\t// For side-by-side projection, we only produce a single texture for both eyes.\n\t\t\t\t\t\tif ( i === 0 ) {\n\n\t\t\t\t\t\t\trenderer.setRenderTargetTextures(\n\t\t\t\t\t\t\t\tnewRenderTarget,\n\t\t\t\t\t\t\t\tglSubImage.colorTexture,\n\t\t\t\t\t\t\t\tglProjLayer.ignoreDepthValues ? undefined : glSubImage.depthStencilTexture );\n\n\t\t\t\t\t\t\trenderer.setRenderTarget( newRenderTarget );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tlet camera = cameras[ i ];\n\n\t\t\t\t\tif ( camera === undefined ) {\n\n\t\t\t\t\t\tcamera = new PerspectiveCamera();\n\t\t\t\t\t\tcamera.layers.enable( i );\n\t\t\t\t\t\tcamera.viewport = new Vector4();\n\t\t\t\t\t\tcameras[ i ] = camera;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcamera.matrix.fromArray( view.transform.matrix );\n\t\t\t\t\tcamera.matrix.decompose( camera.position, camera.quaternion, camera.scale );\n\t\t\t\t\tcamera.projectionMatrix.fromArray( view.projectionMatrix );\n\t\t\t\t\tcamera.projectionMatrixInverse.copy( camera.projectionMatrix ).invert();\n\t\t\t\t\tcamera.viewport.set( viewport.x, viewport.y, viewport.width, viewport.height );\n\n\t\t\t\t\tif ( i === 0 ) {\n\n\t\t\t\t\t\tcameraXR.matrix.copy( camera.matrix );\n\t\t\t\t\t\tcameraXR.matrix.decompose( cameraXR.position, cameraXR.quaternion, cameraXR.scale );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( cameraXRNeedsUpdate === true ) {\n\n\t\t\t\t\t\tcameraXR.cameras.push( camera );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t//\n\n\t\t\t\tconst enabledFeatures = session.enabledFeatures;\n\t\t\t\tconst gpuDepthSensingEnabled = enabledFeatures &&\n\t\t\t\t\tenabledFeatures.includes( 'depth-sensing' ) &&\n\t\t\t\t\tsession.depthUsage == 'gpu-optimized';\n\n\t\t\t\tif ( gpuDepthSensingEnabled && glBinding ) {\n\n\t\t\t\t\tconst depthData = glBinding.getDepthInformation( views[ 0 ] );\n\n\t\t\t\t\tif ( depthData && depthData.isValid && depthData.texture ) {\n\n\t\t\t\t\t\tdepthSensing.init( renderer, depthData, session.renderState );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tfor ( let i = 0; i < controllers.length; i ++ ) {\n\n\t\t\t\tconst inputSource = controllerInputSources[ i ];\n\t\t\t\tconst controller = controllers[ i ];\n\n\t\t\t\tif ( inputSource !== null && controller !== undefined ) {\n\n\t\t\t\t\tcontroller.update( inputSource, frame, customReferenceSpace || referenceSpace );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( onAnimationFrameCallback ) onAnimationFrameCallback( time, frame );\n\n\t\t\tif ( frame.detectedPlanes ) {\n\n\t\t\t\tscope.dispatchEvent( { type: 'planesdetected', data: frame } );\n\n\t\t\t}\n\n\t\t\txrFrame = null;\n\n\t\t}\n\n\t\tconst animation = new WebGLAnimation();\n\n\t\tanimation.setAnimationLoop( onAnimationFrame );\n\n\t\tthis.setAnimationLoop = function ( callback ) {\n\n\t\t\tonAnimationFrameCallback = callback;\n\n\t\t};\n\n\t\tthis.dispose = function () {};\n\n\t}\n\n}\n\nconst _e1 = /*@__PURE__*/ new Euler();\nconst _m1 = /*@__PURE__*/ new Matrix4();\n\nfunction WebGLMaterials( renderer, properties ) {\n\n\tfunction refreshTransformUniform( map, uniform ) {\n\n\t\tif ( map.matrixAutoUpdate === true ) {\n\n\t\t\tmap.updateMatrix();\n\n\t\t}\n\n\t\tuniform.value.copy( map.matrix );\n\n\t}\n\n\tfunction refreshFogUniforms( uniforms, fog ) {\n\n\t\tfog.color.getRGB( uniforms.fogColor.value, getUnlitUniformColorSpace( renderer ) );\n\n\t\tif ( fog.isFog ) {\n\n\t\t\tuniforms.fogNear.value = fog.near;\n\t\t\tuniforms.fogFar.value = fog.far;\n\n\t\t} else if ( fog.isFogExp2 ) {\n\n\t\t\tuniforms.fogDensity.value = fog.density;\n\n\t\t}\n\n\t}\n\n\tfunction refreshMaterialUniforms( uniforms, material, pixelRatio, height, transmissionRenderTarget ) {\n\n\t\tif ( material.isMeshBasicMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t} else if ( material.isMeshLambertMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t} else if ( material.isMeshToonMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsToon( uniforms, material );\n\n\t\t} else if ( material.isMeshPhongMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsPhong( uniforms, material );\n\n\t\t} else if ( material.isMeshStandardMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsStandard( uniforms, material );\n\n\t\t\tif ( material.isMeshPhysicalMaterial ) {\n\n\t\t\t\trefreshUniformsPhysical( uniforms, material, transmissionRenderTarget );\n\n\t\t\t}\n\n\t\t} else if ( material.isMeshMatcapMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsMatcap( uniforms, material );\n\n\t\t} else if ( material.isMeshDepthMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t} else if ( material.isMeshDistanceMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsDistance( uniforms, material );\n\n\t\t} else if ( material.isMeshNormalMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t} else if ( material.isLineBasicMaterial ) {\n\n\t\t\trefreshUniformsLine( uniforms, material );\n\n\t\t\tif ( material.isLineDashedMaterial ) {\n\n\t\t\t\trefreshUniformsDash( uniforms, material );\n\n\t\t\t}\n\n\t\t} else if ( material.isPointsMaterial ) {\n\n\t\t\trefreshUniformsPoints( uniforms, material, pixelRatio, height );\n\n\t\t} else if ( material.isSpriteMaterial ) {\n\n\t\t\trefreshUniformsSprites( uniforms, material );\n\n\t\t} else if ( material.isShadowMaterial ) {\n\n\t\t\tuniforms.color.value.copy( material.color );\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t} else if ( material.isShaderMaterial ) {\n\n\t\t\tmaterial.uniformsNeedUpdate = false; // #15581\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsCommon( uniforms, material ) {\n\n\t\tuniforms.opacity.value = material.opacity;\n\n\t\tif ( material.color ) {\n\n\t\t\tuniforms.diffuse.value.copy( material.color );\n\n\t\t}\n\n\t\tif ( material.emissive ) {\n\n\t\t\tuniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity );\n\n\t\t}\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t\trefreshTransformUniform( material.map, uniforms.mapTransform );\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t\trefreshTransformUniform( material.alphaMap, uniforms.alphaMapTransform );\n\n\t\t}\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\n\t\t\trefreshTransformUniform( material.bumpMap, uniforms.bumpMapTransform );\n\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\n\t\t\tif ( material.side === BackSide ) {\n\n\t\t\t\tuniforms.bumpScale.value *= - 1;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\n\t\t\trefreshTransformUniform( material.normalMap, uniforms.normalMapTransform );\n\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\n\t\t\tif ( material.side === BackSide ) {\n\n\t\t\t\tuniforms.normalScale.value.negate();\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\n\t\t\trefreshTransformUniform( material.displacementMap, uniforms.displacementMapTransform );\n\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t\tif ( material.emissiveMap ) {\n\n\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\trefreshTransformUniform( material.emissiveMap, uniforms.emissiveMapTransform );\n\n\t\t}\n\n\t\tif ( material.specularMap ) {\n\n\t\t\tuniforms.specularMap.value = material.specularMap;\n\n\t\t\trefreshTransformUniform( material.specularMap, uniforms.specularMapTransform );\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t\tconst materialProperties = properties.get( material );\n\n\t\tconst envMap = materialProperties.envMap;\n\t\tconst envMapRotation = materialProperties.envMapRotation;\n\n\t\tif ( envMap ) {\n\n\t\t\tuniforms.envMap.value = envMap;\n\n\t\t\t_e1.copy( envMapRotation );\n\n\t\t\t// accommodate left-handed frame\n\t\t\t_e1.x *= - 1; _e1.y *= - 1; _e1.z *= - 1;\n\n\t\t\tif ( envMap.isCubeTexture && envMap.isRenderTargetTexture === false ) {\n\n\t\t\t\t// environment maps which are not cube render targets or PMREMs follow a different convention\n\t\t\t\t_e1.y *= - 1;\n\t\t\t\t_e1.z *= - 1;\n\n\t\t\t}\n\n\t\t\tuniforms.envMapRotation.value.setFromMatrix4( _m1.makeRotationFromEuler( _e1 ) );\n\n\t\t\tuniforms.flipEnvMap.value = ( envMap.isCubeTexture && envMap.isRenderTargetTexture === false ) ? - 1 : 1;\n\n\t\t\tuniforms.reflectivity.value = material.reflectivity;\n\t\t\tuniforms.ior.value = material.ior;\n\t\t\tuniforms.refractionRatio.value = material.refractionRatio;\n\n\t\t}\n\n\t\tif ( material.lightMap ) {\n\n\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\trefreshTransformUniform( material.lightMap, uniforms.lightMapTransform );\n\n\t\t}\n\n\t\tif ( material.aoMap ) {\n\n\t\t\tuniforms.aoMap.value = material.aoMap;\n\t\t\tuniforms.aoMapIntensity.value = material.aoMapIntensity;\n\n\t\t\trefreshTransformUniform( material.aoMap, uniforms.aoMapTransform );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsLine( uniforms, material ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t\trefreshTransformUniform( material.map, uniforms.mapTransform );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsDash( uniforms, material ) {\n\n\t\tuniforms.dashSize.value = material.dashSize;\n\t\tuniforms.totalSize.value = material.dashSize + material.gapSize;\n\t\tuniforms.scale.value = material.scale;\n\n\t}\n\n\tfunction refreshUniformsPoints( uniforms, material, pixelRatio, height ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\t\tuniforms.size.value = material.size * pixelRatio;\n\t\tuniforms.scale.value = height * 0.5;\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t\trefreshTransformUniform( material.map, uniforms.uvTransform );\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t\trefreshTransformUniform( material.alphaMap, uniforms.alphaMapTransform );\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsSprites( uniforms, material ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\t\tuniforms.rotation.value = material.rotation;\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t\trefreshTransformUniform( material.map, uniforms.mapTransform );\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t\trefreshTransformUniform( material.alphaMap, uniforms.alphaMapTransform );\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsPhong( uniforms, material ) {\n\n\t\tuniforms.specular.value.copy( material.specular );\n\t\tuniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 )\n\n\t}\n\n\tfunction refreshUniformsToon( uniforms, material ) {\n\n\t\tif ( material.gradientMap ) {\n\n\t\t\tuniforms.gradientMap.value = material.gradientMap;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsStandard( uniforms, material ) {\n\n\t\tuniforms.metalness.value = material.metalness;\n\n\t\tif ( material.metalnessMap ) {\n\n\t\t\tuniforms.metalnessMap.value = material.metalnessMap;\n\n\t\t\trefreshTransformUniform( material.metalnessMap, uniforms.metalnessMapTransform );\n\n\t\t}\n\n\t\tuniforms.roughness.value = material.roughness;\n\n\t\tif ( material.roughnessMap ) {\n\n\t\t\tuniforms.roughnessMap.value = material.roughnessMap;\n\n\t\t\trefreshTransformUniform( material.roughnessMap, uniforms.roughnessMapTransform );\n\n\t\t}\n\n\t\tif ( material.envMap ) {\n\n\t\t\t//uniforms.envMap.value = material.envMap; // part of uniforms common\n\n\t\t\tuniforms.envMapIntensity.value = material.envMapIntensity;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsPhysical( uniforms, material, transmissionRenderTarget ) {\n\n\t\tuniforms.ior.value = material.ior; // also part of uniforms common\n\n\t\tif ( material.sheen > 0 ) {\n\n\t\t\tuniforms.sheenColor.value.copy( material.sheenColor ).multiplyScalar( material.sheen );\n\n\t\t\tuniforms.sheenRoughness.value = material.sheenRoughness;\n\n\t\t\tif ( material.sheenColorMap ) {\n\n\t\t\t\tuniforms.sheenColorMap.value = material.sheenColorMap;\n\n\t\t\t\trefreshTransformUniform( material.sheenColorMap, uniforms.sheenColorMapTransform );\n\n\t\t\t}\n\n\t\t\tif ( material.sheenRoughnessMap ) {\n\n\t\t\t\tuniforms.sheenRoughnessMap.value = material.sheenRoughnessMap;\n\n\t\t\t\trefreshTransformUniform( material.sheenRoughnessMap, uniforms.sheenRoughnessMapTransform );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.clearcoat > 0 ) {\n\n\t\t\tuniforms.clearcoat.value = material.clearcoat;\n\t\t\tuniforms.clearcoatRoughness.value = material.clearcoatRoughness;\n\n\t\t\tif ( material.clearcoatMap ) {\n\n\t\t\t\tuniforms.clearcoatMap.value = material.clearcoatMap;\n\n\t\t\t\trefreshTransformUniform( material.clearcoatMap, uniforms.clearcoatMapTransform );\n\n\t\t\t}\n\n\t\t\tif ( material.clearcoatRoughnessMap ) {\n\n\t\t\t\tuniforms.clearcoatRoughnessMap.value = material.clearcoatRoughnessMap;\n\n\t\t\t\trefreshTransformUniform( material.clearcoatRoughnessMap, uniforms.clearcoatRoughnessMapTransform );\n\n\t\t\t}\n\n\t\t\tif ( material.clearcoatNormalMap ) {\n\n\t\t\t\tuniforms.clearcoatNormalMap.value = material.clearcoatNormalMap;\n\n\t\t\t\trefreshTransformUniform( material.clearcoatNormalMap, uniforms.clearcoatNormalMapTransform );\n\n\t\t\t\tuniforms.clearcoatNormalScale.value.copy( material.clearcoatNormalScale );\n\n\t\t\t\tif ( material.side === BackSide ) {\n\n\t\t\t\t\tuniforms.clearcoatNormalScale.value.negate();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.dispersion > 0 ) {\n\n\t\t\tuniforms.dispersion.value = material.dispersion;\n\n\t\t}\n\n\t\tif ( material.iridescence > 0 ) {\n\n\t\t\tuniforms.iridescence.value = material.iridescence;\n\t\t\tuniforms.iridescenceIOR.value = material.iridescenceIOR;\n\t\t\tuniforms.iridescenceThicknessMinimum.value = material.iridescenceThicknessRange[ 0 ];\n\t\t\tuniforms.iridescenceThicknessMaximum.value = material.iridescenceThicknessRange[ 1 ];\n\n\t\t\tif ( material.iridescenceMap ) {\n\n\t\t\t\tuniforms.iridescenceMap.value = material.iridescenceMap;\n\n\t\t\t\trefreshTransformUniform( material.iridescenceMap, uniforms.iridescenceMapTransform );\n\n\t\t\t}\n\n\t\t\tif ( material.iridescenceThicknessMap ) {\n\n\t\t\t\tuniforms.iridescenceThicknessMap.value = material.iridescenceThicknessMap;\n\n\t\t\t\trefreshTransformUniform( material.iridescenceThicknessMap, uniforms.iridescenceThicknessMapTransform );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.transmission > 0 ) {\n\n\t\t\tuniforms.transmission.value = material.transmission;\n\t\t\tuniforms.transmissionSamplerMap.value = transmissionRenderTarget.texture;\n\t\t\tuniforms.transmissionSamplerSize.value.set( transmissionRenderTarget.width, transmissionRenderTarget.height );\n\n\t\t\tif ( material.transmissionMap ) {\n\n\t\t\t\tuniforms.transmissionMap.value = material.transmissionMap;\n\n\t\t\t\trefreshTransformUniform( material.transmissionMap, uniforms.transmissionMapTransform );\n\n\t\t\t}\n\n\t\t\tuniforms.thickness.value = material.thickness;\n\n\t\t\tif ( material.thicknessMap ) {\n\n\t\t\t\tuniforms.thicknessMap.value = material.thicknessMap;\n\n\t\t\t\trefreshTransformUniform( material.thicknessMap, uniforms.thicknessMapTransform );\n\n\t\t\t}\n\n\t\t\tuniforms.attenuationDistance.value = material.attenuationDistance;\n\t\t\tuniforms.attenuationColor.value.copy( material.attenuationColor );\n\n\t\t}\n\n\t\tif ( material.anisotropy > 0 ) {\n\n\t\t\tuniforms.anisotropyVector.value.set( material.anisotropy * Math.cos( material.anisotropyRotation ), material.anisotropy * Math.sin( material.anisotropyRotation ) );\n\n\t\t\tif ( material.anisotropyMap ) {\n\n\t\t\t\tuniforms.anisotropyMap.value = material.anisotropyMap;\n\n\t\t\t\trefreshTransformUniform( material.anisotropyMap, uniforms.anisotropyMapTransform );\n\n\t\t\t}\n\n\t\t}\n\n\t\tuniforms.specularIntensity.value = material.specularIntensity;\n\t\tuniforms.specularColor.value.copy( material.specularColor );\n\n\t\tif ( material.specularColorMap ) {\n\n\t\t\tuniforms.specularColorMap.value = material.specularColorMap;\n\n\t\t\trefreshTransformUniform( material.specularColorMap, uniforms.specularColorMapTransform );\n\n\t\t}\n\n\t\tif ( material.specularIntensityMap ) {\n\n\t\t\tuniforms.specularIntensityMap.value = material.specularIntensityMap;\n\n\t\t\trefreshTransformUniform( material.specularIntensityMap, uniforms.specularIntensityMapTransform );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsMatcap( uniforms, material ) {\n\n\t\tif ( material.matcap ) {\n\n\t\t\tuniforms.matcap.value = material.matcap;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsDistance( uniforms, material ) {\n\n\t\tconst light = properties.get( material ).light;\n\n\t\tuniforms.referencePosition.value.setFromMatrixPosition( light.matrixWorld );\n\t\tuniforms.nearDistance.value = light.shadow.camera.near;\n\t\tuniforms.farDistance.value = light.shadow.camera.far;\n\n\t}\n\n\treturn {\n\t\trefreshFogUniforms: refreshFogUniforms,\n\t\trefreshMaterialUniforms: refreshMaterialUniforms\n\t};\n\n}\n\nfunction WebGLUniformsGroups( gl, info, capabilities, state ) {\n\n\tlet buffers = {};\n\tlet updateList = {};\n\tlet allocatedBindingPoints = [];\n\n\tconst maxBindingPoints = gl.getParameter( gl.MAX_UNIFORM_BUFFER_BINDINGS ); // binding points are global whereas block indices are per shader program\n\n\tfunction bind( uniformsGroup, program ) {\n\n\t\tconst webglProgram = program.program;\n\t\tstate.uniformBlockBinding( uniformsGroup, webglProgram );\n\n\t}\n\n\tfunction update( uniformsGroup, program ) {\n\n\t\tlet buffer = buffers[ uniformsGroup.id ];\n\n\t\tif ( buffer === undefined ) {\n\n\t\t\tprepareUniformsGroup( uniformsGroup );\n\n\t\t\tbuffer = createBuffer( uniformsGroup );\n\t\t\tbuffers[ uniformsGroup.id ] = buffer;\n\n\t\t\tuniformsGroup.addEventListener( 'dispose', onUniformsGroupsDispose );\n\n\t\t}\n\n\t\t// ensure to update the binding points/block indices mapping for this program\n\n\t\tconst webglProgram = program.program;\n\t\tstate.updateUBOMapping( uniformsGroup, webglProgram );\n\n\t\t// update UBO once per frame\n\n\t\tconst frame = info.render.frame;\n\n\t\tif ( updateList[ uniformsGroup.id ] !== frame ) {\n\n\t\t\tupdateBufferData( uniformsGroup );\n\n\t\t\tupdateList[ uniformsGroup.id ] = frame;\n\n\t\t}\n\n\t}\n\n\tfunction createBuffer( uniformsGroup ) {\n\n\t\t// the setup of an UBO is independent of a particular shader program but global\n\n\t\tconst bindingPointIndex = allocateBindingPointIndex();\n\t\tuniformsGroup.__bindingPointIndex = bindingPointIndex;\n\n\t\tconst buffer = gl.createBuffer();\n\t\tconst size = uniformsGroup.__size;\n\t\tconst usage = uniformsGroup.usage;\n\n\t\tgl.bindBuffer( gl.UNIFORM_BUFFER, buffer );\n\t\tgl.bufferData( gl.UNIFORM_BUFFER, size, usage );\n\t\tgl.bindBuffer( gl.UNIFORM_BUFFER, null );\n\t\tgl.bindBufferBase( gl.UNIFORM_BUFFER, bindingPointIndex, buffer );\n\n\t\treturn buffer;\n\n\t}\n\n\tfunction allocateBindingPointIndex() {\n\n\t\tfor ( let i = 0; i < maxBindingPoints; i ++ ) {\n\n\t\t\tif ( allocatedBindingPoints.indexOf( i ) === - 1 ) {\n\n\t\t\t\tallocatedBindingPoints.push( i );\n\t\t\t\treturn i;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconsole.error( 'THREE.WebGLRenderer: Maximum number of simultaneously usable uniforms groups reached.' );\n\n\t\treturn 0;\n\n\t}\n\n\tfunction updateBufferData( uniformsGroup ) {\n\n\t\tconst buffer = buffers[ uniformsGroup.id ];\n\t\tconst uniforms = uniformsGroup.uniforms;\n\t\tconst cache = uniformsGroup.__cache;\n\n\t\tgl.bindBuffer( gl.UNIFORM_BUFFER, buffer );\n\n\t\tfor ( let i = 0, il = uniforms.length; i < il; i ++ ) {\n\n\t\t\tconst uniformArray = Array.isArray( uniforms[ i ] ) ? uniforms[ i ] : [ uniforms[ i ] ];\n\n\t\t\tfor ( let j = 0, jl = uniformArray.length; j < jl; j ++ ) {\n\n\t\t\t\tconst uniform = uniformArray[ j ];\n\n\t\t\t\tif ( hasUniformChanged( uniform, i, j, cache ) === true ) {\n\n\t\t\t\t\tconst offset = uniform.__offset;\n\n\t\t\t\t\tconst values = Array.isArray( uniform.value ) ? uniform.value : [ uniform.value ];\n\n\t\t\t\t\tlet arrayOffset = 0;\n\n\t\t\t\t\tfor ( let k = 0; k < values.length; k ++ ) {\n\n\t\t\t\t\t\tconst value = values[ k ];\n\n\t\t\t\t\t\tconst info = getUniformSize( value );\n\n\t\t\t\t\t\t// TODO add integer and struct support\n\t\t\t\t\t\tif ( typeof value === 'number' || typeof value === 'boolean' ) {\n\n\t\t\t\t\t\t\tuniform.__data[ 0 ] = value;\n\t\t\t\t\t\t\tgl.bufferSubData( gl.UNIFORM_BUFFER, offset + arrayOffset, uniform.__data );\n\n\t\t\t\t\t\t} else if ( value.isMatrix3 ) {\n\n\t\t\t\t\t\t\t// manually converting 3x3 to 3x4\n\n\t\t\t\t\t\t\tuniform.__data[ 0 ] = value.elements[ 0 ];\n\t\t\t\t\t\t\tuniform.__data[ 1 ] = value.elements[ 1 ];\n\t\t\t\t\t\t\tuniform.__data[ 2 ] = value.elements[ 2 ];\n\t\t\t\t\t\t\tuniform.__data[ 3 ] = 0;\n\t\t\t\t\t\t\tuniform.__data[ 4 ] = value.elements[ 3 ];\n\t\t\t\t\t\t\tuniform.__data[ 5 ] = value.elements[ 4 ];\n\t\t\t\t\t\t\tuniform.__data[ 6 ] = value.elements[ 5 ];\n\t\t\t\t\t\t\tuniform.__data[ 7 ] = 0;\n\t\t\t\t\t\t\tuniform.__data[ 8 ] = value.elements[ 6 ];\n\t\t\t\t\t\t\tuniform.__data[ 9 ] = value.elements[ 7 ];\n\t\t\t\t\t\t\tuniform.__data[ 10 ] = value.elements[ 8 ];\n\t\t\t\t\t\t\tuniform.__data[ 11 ] = 0;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvalue.toArray( uniform.__data, arrayOffset );\n\n\t\t\t\t\t\t\tarrayOffset += info.storage / Float32Array.BYTES_PER_ELEMENT;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tgl.bufferSubData( gl.UNIFORM_BUFFER, offset, uniform.__data );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tgl.bindBuffer( gl.UNIFORM_BUFFER, null );\n\n\t}\n\n\tfunction hasUniformChanged( uniform, index, indexArray, cache ) {\n\n\t\tconst value = uniform.value;\n\t\tconst indexString = index + '_' + indexArray;\n\n\t\tif ( cache[ indexString ] === undefined ) {\n\n\t\t\t// cache entry does not exist so far\n\n\t\t\tif ( typeof value === 'number' || typeof value === 'boolean' ) {\n\n\t\t\t\tcache[ indexString ] = value;\n\n\t\t\t} else {\n\n\t\t\t\tcache[ indexString ] = value.clone();\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t} else {\n\n\t\t\tconst cachedObject = cache[ indexString ];\n\n\t\t\t// compare current value with cached entry\n\n\t\t\tif ( typeof value === 'number' || typeof value === 'boolean' ) {\n\n\t\t\t\tif ( cachedObject !== value ) {\n\n\t\t\t\t\tcache[ indexString ] = value;\n\t\t\t\t\treturn true;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( cachedObject.equals( value ) === false ) {\n\n\t\t\t\t\tcachedObject.copy( value );\n\t\t\t\t\treturn true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tfunction prepareUniformsGroup( uniformsGroup ) {\n\n\t\t// determine total buffer size according to the STD140 layout\n\t\t// Hint: STD140 is the only supported layout in WebGL 2\n\n\t\tconst uniforms = uniformsGroup.uniforms;\n\n\t\tlet offset = 0; // global buffer offset in bytes\n\t\tconst chunkSize = 16; // size of a chunk in bytes\n\n\t\tfor ( let i = 0, l = uniforms.length; i < l; i ++ ) {\n\n\t\t\tconst uniformArray = Array.isArray( uniforms[ i ] ) ? uniforms[ i ] : [ uniforms[ i ] ];\n\n\t\t\tfor ( let j = 0, jl = uniformArray.length; j < jl; j ++ ) {\n\n\t\t\t\tconst uniform = uniformArray[ j ];\n\n\t\t\t\tconst values = Array.isArray( uniform.value ) ? uniform.value : [ uniform.value ];\n\n\t\t\t\tfor ( let k = 0, kl = values.length; k < kl; k ++ ) {\n\n\t\t\t\t\tconst value = values[ k ];\n\n\t\t\t\t\tconst info = getUniformSize( value );\n\n\t\t\t\t\tconst chunkOffset = offset % chunkSize; // offset in the current chunk\n\t\t\t\t\tconst chunkPadding = chunkOffset % info.boundary; // required padding to match boundary\n\t\t\t\t\tconst chunkStart = chunkOffset + chunkPadding; // the start position in the current chunk for the data\n\n\t\t\t\t\toffset += chunkPadding;\n\n\t\t\t\t\t// Check for chunk overflow\n\t\t\t\t\tif ( chunkStart !== 0 && ( chunkSize - chunkStart ) < info.storage ) {\n\n\t\t\t\t\t\t// Add padding and adjust offset\n\t\t\t\t\t\toffset += ( chunkSize - chunkStart );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// the following two properties will be used for partial buffer updates\n\t\t\t\t\tuniform.__data = new Float32Array( info.storage / Float32Array.BYTES_PER_ELEMENT );\n\t\t\t\t\tuniform.__offset = offset;\n\n\t\t\t\t\t// Update the global offset\n\t\t\t\t\toffset += info.storage;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// ensure correct final padding\n\n\t\tconst chunkOffset = offset % chunkSize;\n\n\t\tif ( chunkOffset > 0 ) offset += ( chunkSize - chunkOffset );\n\n\t\t//\n\n\t\tuniformsGroup.__size = offset;\n\t\tuniformsGroup.__cache = {};\n\n\t\treturn this;\n\n\t}\n\n\tfunction getUniformSize( value ) {\n\n\t\tconst info = {\n\t\t\tboundary: 0, // bytes\n\t\t\tstorage: 0 // bytes\n\t\t};\n\n\t\t// determine sizes according to STD140\n\n\t\tif ( typeof value === 'number' || typeof value === 'boolean' ) {\n\n\t\t\t// float/int/bool\n\n\t\t\tinfo.boundary = 4;\n\t\t\tinfo.storage = 4;\n\n\t\t} else if ( value.isVector2 ) {\n\n\t\t\t// vec2\n\n\t\t\tinfo.boundary = 8;\n\t\t\tinfo.storage = 8;\n\n\t\t} else if ( value.isVector3 || value.isColor ) {\n\n\t\t\t// vec3\n\n\t\t\tinfo.boundary = 16;\n\t\t\tinfo.storage = 12; // evil: vec3 must start on a 16-byte boundary but it only consumes 12 bytes\n\n\t\t} else if ( value.isVector4 ) {\n\n\t\t\t// vec4\n\n\t\t\tinfo.boundary = 16;\n\t\t\tinfo.storage = 16;\n\n\t\t} else if ( value.isMatrix3 ) {\n\n\t\t\t// mat3 (in STD140 a 3x3 matrix is represented as 3x4)\n\n\t\t\tinfo.boundary = 48;\n\t\t\tinfo.storage = 48;\n\n\t\t} else if ( value.isMatrix4 ) {\n\n\t\t\t// mat4\n\n\t\t\tinfo.boundary = 64;\n\t\t\tinfo.storage = 64;\n\n\t\t} else if ( value.isTexture ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture samplers can not be part of an uniforms group.' );\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Unsupported uniform value type.', value );\n\n\t\t}\n\n\t\treturn info;\n\n\t}\n\n\tfunction onUniformsGroupsDispose( event ) {\n\n\t\tconst uniformsGroup = event.target;\n\n\t\tuniformsGroup.removeEventListener( 'dispose', onUniformsGroupsDispose );\n\n\t\tconst index = allocatedBindingPoints.indexOf( uniformsGroup.__bindingPointIndex );\n\t\tallocatedBindingPoints.splice( index, 1 );\n\n\t\tgl.deleteBuffer( buffers[ uniformsGroup.id ] );\n\n\t\tdelete buffers[ uniformsGroup.id ];\n\t\tdelete updateList[ uniformsGroup.id ];\n\n\t}\n\n\tfunction dispose() {\n\n\t\tfor ( const id in buffers ) {\n\n\t\t\tgl.deleteBuffer( buffers[ id ] );\n\n\t\t}\n\n\t\tallocatedBindingPoints = [];\n\t\tbuffers = {};\n\t\tupdateList = {};\n\n\t}\n\n\treturn {\n\n\t\tbind: bind,\n\t\tupdate: update,\n\n\t\tdispose: dispose\n\n\t};\n\n}\n\nclass WebGLRenderer {\n\n\tconstructor( parameters = {} ) {\n\n\t\tconst {\n\t\t\tcanvas = createCanvasElement(),\n\t\t\tcontext = null,\n\t\t\tdepth = true,\n\t\t\tstencil = false,\n\t\t\talpha = false,\n\t\t\tantialias = false,\n\t\t\tpremultipliedAlpha = true,\n\t\t\tpreserveDrawingBuffer = false,\n\t\t\tpowerPreference = 'default',\n\t\t\tfailIfMajorPerformanceCaveat = false,\n\t\t\treverseDepthBuffer = false,\n\t\t} = parameters;\n\n\t\tthis.isWebGLRenderer = true;\n\n\t\tlet _alpha;\n\n\t\tif ( context !== null ) {\n\n\t\t\tif ( typeof WebGLRenderingContext !== 'undefined' && context instanceof WebGLRenderingContext ) {\n\n\t\t\t\tthrow new Error( 'THREE.WebGLRenderer: WebGL 1 is not supported since r163.' );\n\n\t\t\t}\n\n\t\t\t_alpha = context.getContextAttributes().alpha;\n\n\t\t} else {\n\n\t\t\t_alpha = alpha;\n\n\t\t}\n\n\t\tconst uintClearColor = new Uint32Array( 4 );\n\t\tconst intClearColor = new Int32Array( 4 );\n\n\t\tlet currentRenderList = null;\n\t\tlet currentRenderState = null;\n\n\t\t// render() can be called from within a callback triggered by another render.\n\t\t// We track this so that the nested render call gets its list and state isolated from the parent render call.\n\n\t\tconst renderListStack = [];\n\t\tconst renderStateStack = [];\n\n\t\t// public properties\n\n\t\tthis.domElement = canvas;\n\n\t\t// Debug configuration container\n\t\tthis.debug = {\n\n\t\t\t/**\n\t\t\t * Enables error checking and reporting when shader programs are being compiled\n\t\t\t * @type {boolean}\n\t\t\t */\n\t\t\tcheckShaderErrors: true,\n\t\t\t/**\n\t\t\t * Callback for custom error reporting.\n\t\t\t * @type {?Function}\n\t\t\t */\n\t\t\tonShaderError: null\n\t\t};\n\n\t\t// clearing\n\n\t\tthis.autoClear = true;\n\t\tthis.autoClearColor = true;\n\t\tthis.autoClearDepth = true;\n\t\tthis.autoClearStencil = true;\n\n\t\t// scene graph\n\n\t\tthis.sortObjects = true;\n\n\t\t// user-defined clipping\n\n\t\tthis.clippingPlanes = [];\n\t\tthis.localClippingEnabled = false;\n\n\t\t// physically based shading\n\n\t\tthis._outputColorSpace = SRGBColorSpace;\n\n\t\t// tone mapping\n\n\t\tthis.toneMapping = NoToneMapping;\n\t\tthis.toneMappingExposure = 1.0;\n\n\t\t// internal properties\n\n\t\tconst _this = this;\n\n\t\tlet _isContextLost = false;\n\n\t\t// internal state cache\n\n\t\tlet _currentActiveCubeFace = 0;\n\t\tlet _currentActiveMipmapLevel = 0;\n\t\tlet _currentRenderTarget = null;\n\t\tlet _currentMaterialId = - 1;\n\n\t\tlet _currentCamera = null;\n\n\t\tconst _currentViewport = new Vector4();\n\t\tconst _currentScissor = new Vector4();\n\t\tlet _currentScissorTest = null;\n\n\t\tconst _currentClearColor = new Color( 0x000000 );\n\t\tlet _currentClearAlpha = 0;\n\n\t\t//\n\n\t\tlet _width = canvas.width;\n\t\tlet _height = canvas.height;\n\n\t\tlet _pixelRatio = 1;\n\t\tlet _opaqueSort = null;\n\t\tlet _transparentSort = null;\n\n\t\tconst _viewport = new Vector4( 0, 0, _width, _height );\n\t\tconst _scissor = new Vector4( 0, 0, _width, _height );\n\t\tlet _scissorTest = false;\n\n\t\t// frustum\n\n\t\tconst _frustum = new Frustum();\n\n\t\t// clipping\n\n\t\tlet _clippingEnabled = false;\n\t\tlet _localClippingEnabled = false;\n\n\t\t// transmission render target scale\n\t\tthis.transmissionResolutionScale = 1.0;\n\n\t\t// camera matrices cache\n\n\t\tconst _currentProjectionMatrix = new Matrix4();\n\t\tconst _projScreenMatrix = new Matrix4();\n\n\t\tconst _vector3 = new Vector3();\n\n\t\tconst _vector4 = new Vector4();\n\n\t\tconst _emptyScene = { background: null, fog: null, environment: null, overrideMaterial: null, isScene: true };\n\n\t\tlet _renderBackground = false;\n\n\t\tfunction getTargetPixelRatio() {\n\n\t\t\treturn _currentRenderTarget === null ? _pixelRatio : 1;\n\n\t\t}\n\n\t\t// initialize\n\n\t\tlet _gl = context;\n\n\t\tfunction getContext( contextName, contextAttributes ) {\n\n\t\t\treturn canvas.getContext( contextName, contextAttributes );\n\n\t\t}\n\n\t\ttry {\n\n\t\t\tconst contextAttributes = {\n\t\t\t\talpha: true,\n\t\t\t\tdepth,\n\t\t\t\tstencil,\n\t\t\t\tantialias,\n\t\t\t\tpremultipliedAlpha,\n\t\t\t\tpreserveDrawingBuffer,\n\t\t\t\tpowerPreference,\n\t\t\t\tfailIfMajorPerformanceCaveat,\n\t\t\t};\n\n\t\t\t// OffscreenCanvas does not have setAttribute, see #22811\n\t\t\tif ( 'setAttribute' in canvas ) canvas.setAttribute( 'data-engine', `three.js r${REVISION}` );\n\n\t\t\t// event listeners must be registered before WebGL context is created, see #12753\n\t\t\tcanvas.addEventListener( 'webglcontextlost', onContextLost, false );\n\t\t\tcanvas.addEventListener( 'webglcontextrestored', onContextRestore, false );\n\t\t\tcanvas.addEventListener( 'webglcontextcreationerror', onContextCreationError, false );\n\n\t\t\tif ( _gl === null ) {\n\n\t\t\t\tconst contextName = 'webgl2';\n\n\t\t\t\t_gl = getContext( contextName, contextAttributes );\n\n\t\t\t\tif ( _gl === null ) {\n\n\t\t\t\t\tif ( getContext( contextName ) ) {\n\n\t\t\t\t\t\tthrow new Error( 'Error creating WebGL context with your selected attributes.' );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthrow new Error( 'Error creating WebGL context.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLRenderer: ' + error.message );\n\t\t\tthrow error;\n\n\t\t}\n\n\t\tlet extensions, capabilities, state, info;\n\t\tlet properties, textures, cubemaps, cubeuvmaps, attributes, geometries, objects;\n\t\tlet programCache, materials, renderLists, renderStates, clipping, shadowMap;\n\n\t\tlet background, morphtargets, bufferRenderer, indexedBufferRenderer;\n\n\t\tlet utils, bindingStates, uniformsGroups;\n\n\t\tfunction initGLContext() {\n\n\t\t\textensions = new WebGLExtensions( _gl );\n\t\t\textensions.init();\n\n\t\t\tutils = new WebGLUtils( _gl, extensions );\n\n\t\t\tcapabilities = new WebGLCapabilities( _gl, extensions, parameters, utils );\n\n\t\t\tstate = new WebGLState( _gl, extensions );\n\n\t\t\tif ( capabilities.reverseDepthBuffer && reverseDepthBuffer ) {\n\n\t\t\t\tstate.buffers.depth.setReversed( true );\n\n\t\t\t}\n\n\t\t\tinfo = new WebGLInfo( _gl );\n\t\t\tproperties = new WebGLProperties();\n\t\t\ttextures = new WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info );\n\t\t\tcubemaps = new WebGLCubeMaps( _this );\n\t\t\tcubeuvmaps = new WebGLCubeUVMaps( _this );\n\t\t\tattributes = new WebGLAttributes( _gl );\n\t\t\tbindingStates = new WebGLBindingStates( _gl, attributes );\n\t\t\tgeometries = new WebGLGeometries( _gl, attributes, info, bindingStates );\n\t\t\tobjects = new WebGLObjects( _gl, geometries, attributes, info );\n\t\t\tmorphtargets = new WebGLMorphtargets( _gl, capabilities, textures );\n\t\t\tclipping = new WebGLClipping( properties );\n\t\t\tprogramCache = new WebGLPrograms( _this, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping );\n\t\t\tmaterials = new WebGLMaterials( _this, properties );\n\t\t\trenderLists = new WebGLRenderLists();\n\t\t\trenderStates = new WebGLRenderStates( extensions );\n\t\t\tbackground = new WebGLBackground( _this, cubemaps, cubeuvmaps, state, objects, _alpha, premultipliedAlpha );\n\t\t\tshadowMap = new WebGLShadowMap( _this, objects, capabilities );\n\t\t\tuniformsGroups = new WebGLUniformsGroups( _gl, info, capabilities, state );\n\n\t\t\tbufferRenderer = new WebGLBufferRenderer( _gl, extensions, info );\n\t\t\tindexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, info );\n\n\t\t\tinfo.programs = programCache.programs;\n\n\t\t\t_this.capabilities = capabilities;\n\t\t\t_this.extensions = extensions;\n\t\t\t_this.properties = properties;\n\t\t\t_this.renderLists = renderLists;\n\t\t\t_this.shadowMap = shadowMap;\n\t\t\t_this.state = state;\n\t\t\t_this.info = info;\n\n\t\t}\n\n\t\tinitGLContext();\n\n\t\t// xr\n\n\t\tconst xr = new WebXRManager( _this, _gl );\n\n\t\tthis.xr = xr;\n\n\t\t// API\n\n\t\tthis.getContext = function () {\n\n\t\t\treturn _gl;\n\n\t\t};\n\n\t\tthis.getContextAttributes = function () {\n\n\t\t\treturn _gl.getContextAttributes();\n\n\t\t};\n\n\t\tthis.forceContextLoss = function () {\n\n\t\t\tconst extension = extensions.get( 'WEBGL_lose_context' );\n\t\t\tif ( extension ) extension.loseContext();\n\n\t\t};\n\n\t\tthis.forceContextRestore = function () {\n\n\t\t\tconst extension = extensions.get( 'WEBGL_lose_context' );\n\t\t\tif ( extension ) extension.restoreContext();\n\n\t\t};\n\n\t\tthis.getPixelRatio = function () {\n\n\t\t\treturn _pixelRatio;\n\n\t\t};\n\n\t\tthis.setPixelRatio = function ( value ) {\n\n\t\t\tif ( value === undefined ) return;\n\n\t\t\t_pixelRatio = value;\n\n\t\t\tthis.setSize( _width, _height, false );\n\n\t\t};\n\n\t\tthis.getSize = function ( target ) {\n\n\t\t\treturn target.set( _width, _height );\n\n\t\t};\n\n\t\tthis.setSize = function ( width, height, updateStyle = true ) {\n\n\t\t\tif ( xr.isPresenting ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Can\\'t change size while VR device is presenting.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\t_width = width;\n\t\t\t_height = height;\n\n\t\t\tcanvas.width = Math.floor( width * _pixelRatio );\n\t\t\tcanvas.height = Math.floor( height * _pixelRatio );\n\n\t\t\tif ( updateStyle === true ) {\n\n\t\t\t\tcanvas.style.width = width + 'px';\n\t\t\t\tcanvas.style.height = height + 'px';\n\n\t\t\t}\n\n\t\t\tthis.setViewport( 0, 0, width, height );\n\n\t\t};\n\n\t\tthis.getDrawingBufferSize = function ( target ) {\n\n\t\t\treturn target.set( _width * _pixelRatio, _height * _pixelRatio ).floor();\n\n\t\t};\n\n\t\tthis.setDrawingBufferSize = function ( width, height, pixelRatio ) {\n\n\t\t\t_width = width;\n\t\t\t_height = height;\n\n\t\t\t_pixelRatio = pixelRatio;\n\n\t\t\tcanvas.width = Math.floor( width * pixelRatio );\n\t\t\tcanvas.height = Math.floor( height * pixelRatio );\n\n\t\t\tthis.setViewport( 0, 0, width, height );\n\n\t\t};\n\n\t\tthis.getCurrentViewport = function ( target ) {\n\n\t\t\treturn target.copy( _currentViewport );\n\n\t\t};\n\n\t\tthis.getViewport = function ( target ) {\n\n\t\t\treturn target.copy( _viewport );\n\n\t\t};\n\n\t\tthis.setViewport = function ( x, y, width, height ) {\n\n\t\t\tif ( x.isVector4 ) {\n\n\t\t\t\t_viewport.set( x.x, x.y, x.z, x.w );\n\n\t\t\t} else {\n\n\t\t\t\t_viewport.set( x, y, width, height );\n\n\t\t\t}\n\n\t\t\tstate.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).round() );\n\n\t\t};\n\n\t\tthis.getScissor = function ( target ) {\n\n\t\t\treturn target.copy( _scissor );\n\n\t\t};\n\n\t\tthis.setScissor = function ( x, y, width, height ) {\n\n\t\t\tif ( x.isVector4 ) {\n\n\t\t\t\t_scissor.set( x.x, x.y, x.z, x.w );\n\n\t\t\t} else {\n\n\t\t\t\t_scissor.set( x, y, width, height );\n\n\t\t\t}\n\n\t\t\tstate.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).round() );\n\n\t\t};\n\n\t\tthis.getScissorTest = function () {\n\n\t\t\treturn _scissorTest;\n\n\t\t};\n\n\t\tthis.setScissorTest = function ( boolean ) {\n\n\t\t\tstate.setScissorTest( _scissorTest = boolean );\n\n\t\t};\n\n\t\tthis.setOpaqueSort = function ( method ) {\n\n\t\t\t_opaqueSort = method;\n\n\t\t};\n\n\t\tthis.setTransparentSort = function ( method ) {\n\n\t\t\t_transparentSort = method;\n\n\t\t};\n\n\t\t// Clearing\n\n\t\tthis.getClearColor = function ( target ) {\n\n\t\t\treturn target.copy( background.getClearColor() );\n\n\t\t};\n\n\t\tthis.setClearColor = function () {\n\n\t\t\tbackground.setClearColor.apply( background, arguments );\n\n\t\t};\n\n\t\tthis.getClearAlpha = function () {\n\n\t\t\treturn background.getClearAlpha();\n\n\t\t};\n\n\t\tthis.setClearAlpha = function () {\n\n\t\t\tbackground.setClearAlpha.apply( background, arguments );\n\n\t\t};\n\n\t\tthis.clear = function ( color = true, depth = true, stencil = true ) {\n\n\t\t\tlet bits = 0;\n\n\t\t\tif ( color ) {\n\n\t\t\t\t// check if we're trying to clear an integer target\n\t\t\t\tlet isIntegerFormat = false;\n\t\t\t\tif ( _currentRenderTarget !== null ) {\n\n\t\t\t\t\tconst targetFormat = _currentRenderTarget.texture.format;\n\t\t\t\t\tisIntegerFormat = targetFormat === RGBAIntegerFormat ||\n\t\t\t\t\t\ttargetFormat === RGIntegerFormat ||\n\t\t\t\t\t\ttargetFormat === RedIntegerFormat;\n\n\t\t\t\t}\n\n\t\t\t\t// use the appropriate clear functions to clear the target if it's a signed\n\t\t\t\t// or unsigned integer target\n\t\t\t\tif ( isIntegerFormat ) {\n\n\t\t\t\t\tconst targetType = _currentRenderTarget.texture.type;\n\t\t\t\t\tconst isUnsignedType = targetType === UnsignedByteType ||\n\t\t\t\t\t\ttargetType === UnsignedIntType ||\n\t\t\t\t\t\ttargetType === UnsignedShortType ||\n\t\t\t\t\t\ttargetType === UnsignedInt248Type ||\n\t\t\t\t\t\ttargetType === UnsignedShort4444Type ||\n\t\t\t\t\t\ttargetType === UnsignedShort5551Type;\n\n\t\t\t\t\tconst clearColor = background.getClearColor();\n\t\t\t\t\tconst a = background.getClearAlpha();\n\t\t\t\t\tconst r = clearColor.r;\n\t\t\t\t\tconst g = clearColor.g;\n\t\t\t\t\tconst b = clearColor.b;\n\n\t\t\t\t\tif ( isUnsignedType ) {\n\n\t\t\t\t\t\tuintClearColor[ 0 ] = r;\n\t\t\t\t\t\tuintClearColor[ 1 ] = g;\n\t\t\t\t\t\tuintClearColor[ 2 ] = b;\n\t\t\t\t\t\tuintClearColor[ 3 ] = a;\n\t\t\t\t\t\t_gl.clearBufferuiv( _gl.COLOR, 0, uintClearColor );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tintClearColor[ 0 ] = r;\n\t\t\t\t\t\tintClearColor[ 1 ] = g;\n\t\t\t\t\t\tintClearColor[ 2 ] = b;\n\t\t\t\t\t\tintClearColor[ 3 ] = a;\n\t\t\t\t\t\t_gl.clearBufferiv( _gl.COLOR, 0, intClearColor );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbits |= _gl.COLOR_BUFFER_BIT;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( depth ) {\n\n\t\t\t\tbits |= _gl.DEPTH_BUFFER_BIT;\n\n\t\t\t}\n\n\t\t\tif ( stencil ) {\n\n\t\t\t\tbits |= _gl.STENCIL_BUFFER_BIT;\n\t\t\t\tthis.state.buffers.stencil.setMask( 0xffffffff );\n\n\t\t\t}\n\n\t\t\t_gl.clear( bits );\n\n\t\t};\n\n\t\tthis.clearColor = function () {\n\n\t\t\tthis.clear( true, false, false );\n\n\t\t};\n\n\t\tthis.clearDepth = function () {\n\n\t\t\tthis.clear( false, true, false );\n\n\t\t};\n\n\t\tthis.clearStencil = function () {\n\n\t\t\tthis.clear( false, false, true );\n\n\t\t};\n\n\t\t//\n\n\t\tthis.dispose = function () {\n\n\t\t\tcanvas.removeEventListener( 'webglcontextlost', onContextLost, false );\n\t\t\tcanvas.removeEventListener( 'webglcontextrestored', onContextRestore, false );\n\t\t\tcanvas.removeEventListener( 'webglcontextcreationerror', onContextCreationError, false );\n\n\t\t\tbackground.dispose();\n\t\t\trenderLists.dispose();\n\t\t\trenderStates.dispose();\n\t\t\tproperties.dispose();\n\t\t\tcubemaps.dispose();\n\t\t\tcubeuvmaps.dispose();\n\t\t\tobjects.dispose();\n\t\t\tbindingStates.dispose();\n\t\t\tuniformsGroups.dispose();\n\t\t\tprogramCache.dispose();\n\n\t\t\txr.dispose();\n\n\t\t\txr.removeEventListener( 'sessionstart', onXRSessionStart );\n\t\t\txr.removeEventListener( 'sessionend', onXRSessionEnd );\n\n\t\t\tanimation.stop();\n\n\t\t};\n\n\t\t// Events\n\n\t\tfunction onContextLost( event ) {\n\n\t\t\tevent.preventDefault();\n\n\t\t\tconsole.log( 'THREE.WebGLRenderer: Context Lost.' );\n\n\t\t\t_isContextLost = true;\n\n\t\t}\n\n\t\tfunction onContextRestore( /* event */ ) {\n\n\t\t\tconsole.log( 'THREE.WebGLRenderer: Context Restored.' );\n\n\t\t\t_isContextLost = false;\n\n\t\t\tconst infoAutoReset = info.autoReset;\n\t\t\tconst shadowMapEnabled = shadowMap.enabled;\n\t\t\tconst shadowMapAutoUpdate = shadowMap.autoUpdate;\n\t\t\tconst shadowMapNeedsUpdate = shadowMap.needsUpdate;\n\t\t\tconst shadowMapType = shadowMap.type;\n\n\t\t\tinitGLContext();\n\n\t\t\tinfo.autoReset = infoAutoReset;\n\t\t\tshadowMap.enabled = shadowMapEnabled;\n\t\t\tshadowMap.autoUpdate = shadowMapAutoUpdate;\n\t\t\tshadowMap.needsUpdate = shadowMapNeedsUpdate;\n\t\t\tshadowMap.type = shadowMapType;\n\n\t\t}\n\n\t\tfunction onContextCreationError( event ) {\n\n\t\t\tconsole.error( 'THREE.WebGLRenderer: A WebGL context could not be created. Reason: ', event.statusMessage );\n\n\t\t}\n\n\t\tfunction onMaterialDispose( event ) {\n\n\t\t\tconst material = event.target;\n\n\t\t\tmaterial.removeEventListener( 'dispose', onMaterialDispose );\n\n\t\t\tdeallocateMaterial( material );\n\n\t\t}\n\n\t\t// Buffer deallocation\n\n\t\tfunction deallocateMaterial( material ) {\n\n\t\t\treleaseMaterialProgramReferences( material );\n\n\t\t\tproperties.remove( material );\n\n\t\t}\n\n\n\t\tfunction releaseMaterialProgramReferences( material ) {\n\n\t\t\tconst programs = properties.get( material ).programs;\n\n\t\t\tif ( programs !== undefined ) {\n\n\t\t\t\tprograms.forEach( function ( program ) {\n\n\t\t\t\t\tprogramCache.releaseProgram( program );\n\n\t\t\t\t} );\n\n\t\t\t\tif ( material.isShaderMaterial ) {\n\n\t\t\t\t\tprogramCache.releaseShaderCache( material );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Buffer rendering\n\n\t\tthis.renderBufferDirect = function ( camera, scene, geometry, material, object, group ) {\n\n\t\t\tif ( scene === null ) scene = _emptyScene; // renderBufferDirect second parameter used to be fog (could be null)\n\n\t\t\tconst frontFaceCW = ( object.isMesh && object.matrixWorld.determinant() < 0 );\n\n\t\t\tconst program = setProgram( camera, scene, geometry, material, object );\n\n\t\t\tstate.setMaterial( material, frontFaceCW );\n\n\t\t\t//\n\n\t\t\tlet index = geometry.index;\n\t\t\tlet rangeFactor = 1;\n\n\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\tindex = geometries.getWireframeAttribute( geometry );\n\n\t\t\t\tif ( index === undefined ) return;\n\n\t\t\t\trangeFactor = 2;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tconst drawRange = geometry.drawRange;\n\t\t\tconst position = geometry.attributes.position;\n\n\t\t\tlet drawStart = drawRange.start * rangeFactor;\n\t\t\tlet drawEnd = ( drawRange.start + drawRange.count ) * rangeFactor;\n\n\t\t\tif ( group !== null ) {\n\n\t\t\t\tdrawStart = Math.max( drawStart, group.start * rangeFactor );\n\t\t\t\tdrawEnd = Math.min( drawEnd, ( group.start + group.count ) * rangeFactor );\n\n\t\t\t}\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tdrawStart = Math.max( drawStart, 0 );\n\t\t\t\tdrawEnd = Math.min( drawEnd, index.count );\n\n\t\t\t} else if ( position !== undefined && position !== null ) {\n\n\t\t\t\tdrawStart = Math.max( drawStart, 0 );\n\t\t\t\tdrawEnd = Math.min( drawEnd, position.count );\n\n\t\t\t}\n\n\t\t\tconst drawCount = drawEnd - drawStart;\n\n\t\t\tif ( drawCount < 0 || drawCount === Infinity ) return;\n\n\t\t\t//\n\n\t\t\tbindingStates.setup( object, material, program, geometry, index );\n\n\t\t\tlet attribute;\n\t\t\tlet renderer = bufferRenderer;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tattribute = attributes.get( index );\n\n\t\t\t\trenderer = indexedBufferRenderer;\n\t\t\t\trenderer.setIndex( attribute );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( object.isMesh ) {\n\n\t\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\t\tstate.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() );\n\t\t\t\t\trenderer.setMode( _gl.LINES );\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderer.setMode( _gl.TRIANGLES );\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isLine ) {\n\n\t\t\t\tlet lineWidth = material.linewidth;\n\n\t\t\t\tif ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material\n\n\t\t\t\tstate.setLineWidth( lineWidth * getTargetPixelRatio() );\n\n\t\t\t\tif ( object.isLineSegments ) {\n\n\t\t\t\t\trenderer.setMode( _gl.LINES );\n\n\t\t\t\t} else if ( object.isLineLoop ) {\n\n\t\t\t\t\trenderer.setMode( _gl.LINE_LOOP );\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderer.setMode( _gl.LINE_STRIP );\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isPoints ) {\n\n\t\t\t\trenderer.setMode( _gl.POINTS );\n\n\t\t\t} else if ( object.isSprite ) {\n\n\t\t\t\trenderer.setMode( _gl.TRIANGLES );\n\n\t\t\t}\n\n\t\t\tif ( object.isBatchedMesh ) {\n\n\t\t\t\tif ( object._multiDrawInstances !== null ) {\n\n\t\t\t\t\trenderer.renderMultiDrawInstances( object._multiDrawStarts, object._multiDrawCounts, object._multiDrawCount, object._multiDrawInstances );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( ! extensions.get( 'WEBGL_multi_draw' ) ) {\n\n\t\t\t\t\t\tconst starts = object._multiDrawStarts;\n\t\t\t\t\t\tconst counts = object._multiDrawCounts;\n\t\t\t\t\t\tconst drawCount = object._multiDrawCount;\n\t\t\t\t\t\tconst bytesPerElement = index ? attributes.get( index ).bytesPerElement : 1;\n\t\t\t\t\t\tconst uniforms = properties.get( material ).currentProgram.getUniforms();\n\t\t\t\t\t\tfor ( let i = 0; i < drawCount; i ++ ) {\n\n\t\t\t\t\t\t\tuniforms.setValue( _gl, '_gl_DrawID', i );\n\t\t\t\t\t\t\trenderer.render( starts[ i ] / bytesPerElement, counts[ i ] );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\trenderer.renderMultiDraw( object._multiDrawStarts, object._multiDrawCounts, object._multiDrawCount );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isInstancedMesh ) {\n\n\t\t\t\trenderer.renderInstances( drawStart, drawCount, object.count );\n\n\t\t\t} else if ( geometry.isInstancedBufferGeometry ) {\n\n\t\t\t\tconst maxInstanceCount = geometry._maxInstanceCount !== undefined ? geometry._maxInstanceCount : Infinity;\n\t\t\t\tconst instanceCount = Math.min( geometry.instanceCount, maxInstanceCount );\n\n\t\t\t\trenderer.renderInstances( drawStart, drawCount, instanceCount );\n\n\t\t\t} else {\n\n\t\t\t\trenderer.render( drawStart, drawCount );\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Compile\n\n\t\tfunction prepareMaterial( material, scene, object ) {\n\n\t\t\tif ( material.transparent === true && material.side === DoubleSide && material.forceSinglePass === false ) {\n\n\t\t\t\tmaterial.side = BackSide;\n\t\t\t\tmaterial.needsUpdate = true;\n\t\t\t\tgetProgram( material, scene, object );\n\n\t\t\t\tmaterial.side = FrontSide;\n\t\t\t\tmaterial.needsUpdate = true;\n\t\t\t\tgetProgram( material, scene, object );\n\n\t\t\t\tmaterial.side = DoubleSide;\n\n\t\t\t} else {\n\n\t\t\t\tgetProgram( material, scene, object );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.compile = function ( scene, camera, targetScene = null ) {\n\n\t\t\tif ( targetScene === null ) targetScene = scene;\n\n\t\t\tcurrentRenderState = renderStates.get( targetScene );\n\t\t\tcurrentRenderState.init( camera );\n\n\t\t\trenderStateStack.push( currentRenderState );\n\n\t\t\t// gather lights from both the target scene and the new object that will be added to the scene.\n\n\t\t\ttargetScene.traverseVisible( function ( object ) {\n\n\t\t\t\tif ( object.isLight && object.layers.test( camera.layers ) ) {\n\n\t\t\t\t\tcurrentRenderState.pushLight( object );\n\n\t\t\t\t\tif ( object.castShadow ) {\n\n\t\t\t\t\t\tcurrentRenderState.pushShadow( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} );\n\n\t\t\tif ( scene !== targetScene ) {\n\n\t\t\t\tscene.traverseVisible( function ( object ) {\n\n\t\t\t\t\tif ( object.isLight && object.layers.test( camera.layers ) ) {\n\n\t\t\t\t\t\tcurrentRenderState.pushLight( object );\n\n\t\t\t\t\t\tif ( object.castShadow ) {\n\n\t\t\t\t\t\t\tcurrentRenderState.pushShadow( object );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\tcurrentRenderState.setupLights();\n\n\t\t\t// Only initialize materials in the new scene, not the targetScene.\n\n\t\t\tconst materials = new Set();\n\n\t\t\tscene.traverse( function ( object ) {\n\n\t\t\t\tif ( ! ( object.isMesh || object.isPoints || object.isLine || object.isSprite ) ) {\n\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tconst material = object.material;\n\n\t\t\t\tif ( material ) {\n\n\t\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\t\tfor ( let i = 0; i < material.length; i ++ ) {\n\n\t\t\t\t\t\t\tconst material2 = material[ i ];\n\n\t\t\t\t\t\t\tprepareMaterial( material2, targetScene, object );\n\t\t\t\t\t\t\tmaterials.add( material2 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tprepareMaterial( material, targetScene, object );\n\t\t\t\t\t\tmaterials.add( material );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} );\n\n\t\t\trenderStateStack.pop();\n\t\t\tcurrentRenderState = null;\n\n\t\t\treturn materials;\n\n\t\t};\n\n\t\t// compileAsync\n\n\t\tthis.compileAsync = function ( scene, camera, targetScene = null ) {\n\n\t\t\tconst materials = this.compile( scene, camera, targetScene );\n\n\t\t\t// Wait for all the materials in the new object to indicate that they're\n\t\t\t// ready to be used before resolving the promise.\n\n\t\t\treturn new Promise( ( resolve ) => {\n\n\t\t\t\tfunction checkMaterialsReady() {\n\n\t\t\t\t\tmaterials.forEach( function ( material ) {\n\n\t\t\t\t\t\tconst materialProperties = properties.get( material );\n\t\t\t\t\t\tconst program = materialProperties.currentProgram;\n\n\t\t\t\t\t\tif ( program.isReady() ) {\n\n\t\t\t\t\t\t\t// remove any programs that report they're ready to use from the list\n\t\t\t\t\t\t\tmaterials.delete( material );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} );\n\n\t\t\t\t\t// once the list of compiling materials is empty, call the callback\n\n\t\t\t\t\tif ( materials.size === 0 ) {\n\n\t\t\t\t\t\tresolve( scene );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// if some materials are still not ready, wait a bit and check again\n\n\t\t\t\t\tsetTimeout( checkMaterialsReady, 10 );\n\n\t\t\t\t}\n\n\t\t\t\tif ( extensions.get( 'KHR_parallel_shader_compile' ) !== null ) {\n\n\t\t\t\t\t// If we can check the compilation status of the materials without\n\t\t\t\t\t// blocking then do so right away.\n\n\t\t\t\t\tcheckMaterialsReady();\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Otherwise start by waiting a bit to give the materials we just\n\t\t\t\t\t// initialized a chance to finish.\n\n\t\t\t\t\tsetTimeout( checkMaterialsReady, 10 );\n\n\t\t\t\t}\n\n\t\t\t} );\n\n\t\t};\n\n\t\t// Animation Loop\n\n\t\tlet onAnimationFrameCallback = null;\n\n\t\tfunction onAnimationFrame( time ) {\n\n\t\t\tif ( onAnimationFrameCallback ) onAnimationFrameCallback( time );\n\n\t\t}\n\n\t\tfunction onXRSessionStart() {\n\n\t\t\tanimation.stop();\n\n\t\t}\n\n\t\tfunction onXRSessionEnd() {\n\n\t\t\tanimation.start();\n\n\t\t}\n\n\t\tconst animation = new WebGLAnimation();\n\t\tanimation.setAnimationLoop( onAnimationFrame );\n\n\t\tif ( typeof self !== 'undefined' ) animation.setContext( self );\n\n\t\tthis.setAnimationLoop = function ( callback ) {\n\n\t\t\tonAnimationFrameCallback = callback;\n\t\t\txr.setAnimationLoop( callback );\n\n\t\t\t( callback === null ) ? animation.stop() : animation.start();\n\n\t\t};\n\n\t\txr.addEventListener( 'sessionstart', onXRSessionStart );\n\t\txr.addEventListener( 'sessionend', onXRSessionEnd );\n\n\t\t// Rendering\n\n\t\tthis.render = function ( scene, camera ) {\n\n\t\t\tif ( camera !== undefined && camera.isCamera !== true ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( _isContextLost === true ) return;\n\n\t\t\t// update scene graph\n\n\t\t\tif ( scene.matrixWorldAutoUpdate === true ) scene.updateMatrixWorld();\n\n\t\t\t// update camera matrices and frustum\n\n\t\t\tif ( camera.parent === null && camera.matrixWorldAutoUpdate === true ) camera.updateMatrixWorld();\n\n\t\t\tif ( xr.enabled === true && xr.isPresenting === true ) {\n\n\t\t\t\tif ( xr.cameraAutoUpdate === true ) xr.updateCamera( camera );\n\n\t\t\t\tcamera = xr.getCamera(); // use XR camera for rendering\n\n\t\t\t}\n\n\t\t\t//\n\t\t\tif ( scene.isScene === true ) scene.onBeforeRender( _this, scene, camera, _currentRenderTarget );\n\n\t\t\tcurrentRenderState = renderStates.get( scene, renderStateStack.length );\n\t\t\tcurrentRenderState.init( camera );\n\n\t\t\trenderStateStack.push( currentRenderState );\n\n\t\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\t\t_frustum.setFromProjectionMatrix( _projScreenMatrix );\n\n\t\t\t_localClippingEnabled = this.localClippingEnabled;\n\t\t\t_clippingEnabled = clipping.init( this.clippingPlanes, _localClippingEnabled );\n\n\t\t\tcurrentRenderList = renderLists.get( scene, renderListStack.length );\n\t\t\tcurrentRenderList.init();\n\n\t\t\trenderListStack.push( currentRenderList );\n\n\t\t\tif ( xr.enabled === true && xr.isPresenting === true ) {\n\n\t\t\t\tconst depthSensingMesh = _this.xr.getDepthSensingMesh();\n\n\t\t\t\tif ( depthSensingMesh !== null ) {\n\n\t\t\t\t\tprojectObject( depthSensingMesh, camera, - Infinity, _this.sortObjects );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tprojectObject( scene, camera, 0, _this.sortObjects );\n\n\t\t\tcurrentRenderList.finish();\n\n\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\tcurrentRenderList.sort( _opaqueSort, _transparentSort );\n\n\t\t\t}\n\n\t\t\t_renderBackground = xr.enabled === false || xr.isPresenting === false || xr.hasDepthSensing() === false;\n\t\t\tif ( _renderBackground ) {\n\n\t\t\t\tbackground.addToRenderList( currentRenderList, scene );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tthis.info.render.frame ++;\n\n\t\t\tif ( _clippingEnabled === true ) clipping.beginShadows();\n\n\t\t\tconst shadowsArray = currentRenderState.state.shadowsArray;\n\n\t\t\tshadowMap.render( shadowsArray, scene, camera );\n\n\t\t\tif ( _clippingEnabled === true ) clipping.endShadows();\n\n\t\t\t//\n\n\t\t\tif ( this.info.autoReset === true ) this.info.reset();\n\n\t\t\t// render scene\n\n\t\t\tconst opaqueObjects = currentRenderList.opaque;\n\t\t\tconst transmissiveObjects = currentRenderList.transmissive;\n\n\t\t\tcurrentRenderState.setupLights();\n\n\t\t\tif ( camera.isArrayCamera ) {\n\n\t\t\t\tconst cameras = camera.cameras;\n\n\t\t\t\tif ( transmissiveObjects.length > 0 ) {\n\n\t\t\t\t\tfor ( let i = 0, l = cameras.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tconst camera2 = cameras[ i ];\n\n\t\t\t\t\t\trenderTransmissionPass( opaqueObjects, transmissiveObjects, scene, camera2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( _renderBackground ) background.render( scene );\n\n\t\t\t\tfor ( let i = 0, l = cameras.length; i < l; i ++ ) {\n\n\t\t\t\t\tconst camera2 = cameras[ i ];\n\n\t\t\t\t\trenderScene( currentRenderList, scene, camera2, camera2.viewport );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( transmissiveObjects.length > 0 ) renderTransmissionPass( opaqueObjects, transmissiveObjects, scene, camera );\n\n\t\t\t\tif ( _renderBackground ) background.render( scene );\n\n\t\t\t\trenderScene( currentRenderList, scene, camera );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( _currentRenderTarget !== null && _currentActiveMipmapLevel === 0 ) {\n\n\t\t\t\t// resolve multisample renderbuffers to a single-sample texture if necessary\n\n\t\t\t\ttextures.updateMultisampleRenderTarget( _currentRenderTarget );\n\n\t\t\t\t// Generate mipmap if we're using any kind of mipmap filtering\n\n\t\t\t\ttextures.updateRenderTargetMipmap( _currentRenderTarget );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( scene.isScene === true ) scene.onAfterRender( _this, scene, camera );\n\n\t\t\t// _gl.finish();\n\n\t\t\tbindingStates.resetDefaultState();\n\t\t\t_currentMaterialId = - 1;\n\t\t\t_currentCamera = null;\n\n\t\t\trenderStateStack.pop();\n\n\t\t\tif ( renderStateStack.length > 0 ) {\n\n\t\t\t\tcurrentRenderState = renderStateStack[ renderStateStack.length - 1 ];\n\n\t\t\t\tif ( _clippingEnabled === true ) clipping.setGlobalState( _this.clippingPlanes, currentRenderState.state.camera );\n\n\t\t\t} else {\n\n\t\t\t\tcurrentRenderState = null;\n\n\t\t\t}\n\n\t\t\trenderListStack.pop();\n\n\t\t\tif ( renderListStack.length > 0 ) {\n\n\t\t\t\tcurrentRenderList = renderListStack[ renderListStack.length - 1 ];\n\n\t\t\t} else {\n\n\t\t\t\tcurrentRenderList = null;\n\n\t\t\t}\n\n\t\t};\n\n\t\tfunction projectObject( object, camera, groupOrder, sortObjects ) {\n\n\t\t\tif ( object.visible === false ) return;\n\n\t\t\tconst visible = object.layers.test( camera.layers );\n\n\t\t\tif ( visible ) {\n\n\t\t\t\tif ( object.isGroup ) {\n\n\t\t\t\t\tgroupOrder = object.renderOrder;\n\n\t\t\t\t} else if ( object.isLOD ) {\n\n\t\t\t\t\tif ( object.autoUpdate === true ) object.update( camera );\n\n\t\t\t\t} else if ( object.isLight ) {\n\n\t\t\t\t\tcurrentRenderState.pushLight( object );\n\n\t\t\t\t\tif ( object.castShadow ) {\n\n\t\t\t\t\t\tcurrentRenderState.pushShadow( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( object.isSprite ) {\n\n\t\t\t\t\tif ( ! object.frustumCulled || _frustum.intersectsSprite( object ) ) {\n\n\t\t\t\t\t\tif ( sortObjects ) {\n\n\t\t\t\t\t\t\t_vector4.setFromMatrixPosition( object.matrixWorld )\n\t\t\t\t\t\t\t\t.applyMatrix4( _projScreenMatrix );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tconst geometry = objects.update( object );\n\t\t\t\t\t\tconst material = object.material;\n\n\t\t\t\t\t\tif ( material.visible ) {\n\n\t\t\t\t\t\t\tcurrentRenderList.push( object, geometry, material, groupOrder, _vector4.z, null );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( object.isMesh || object.isLine || object.isPoints ) {\n\n\t\t\t\t\tif ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) {\n\n\t\t\t\t\t\tconst geometry = objects.update( object );\n\t\t\t\t\t\tconst material = object.material;\n\n\t\t\t\t\t\tif ( sortObjects ) {\n\n\t\t\t\t\t\t\tif ( object.boundingSphere !== undefined ) {\n\n\t\t\t\t\t\t\t\tif ( object.boundingSphere === null ) object.computeBoundingSphere();\n\t\t\t\t\t\t\t\t_vector4.copy( object.boundingSphere.center );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\t\t\t\t\t\t\t\t_vector4.copy( geometry.boundingSphere.center );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t_vector4\n\t\t\t\t\t\t\t\t.applyMatrix4( object.matrixWorld )\n\t\t\t\t\t\t\t\t.applyMatrix4( _projScreenMatrix );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\t\t\tconst groups = geometry.groups;\n\n\t\t\t\t\t\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\t\t\tif ( groupMaterial && groupMaterial.visible ) {\n\n\t\t\t\t\t\t\t\t\tcurrentRenderList.push( object, geometry, groupMaterial, groupOrder, _vector4.z, group );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else if ( material.visible ) {\n\n\t\t\t\t\t\t\tcurrentRenderList.push( object, geometry, material, groupOrder, _vector4.z, null );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst children = object.children;\n\n\t\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tprojectObject( children[ i ], camera, groupOrder, sortObjects );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction renderScene( currentRenderList, scene, camera, viewport ) {\n\n\t\t\tconst opaqueObjects = currentRenderList.opaque;\n\t\t\tconst transmissiveObjects = currentRenderList.transmissive;\n\t\t\tconst transparentObjects = currentRenderList.transparent;\n\n\t\t\tcurrentRenderState.setupLightsView( camera );\n\n\t\t\tif ( _clippingEnabled === true ) clipping.setGlobalState( _this.clippingPlanes, camera );\n\n\t\t\tif ( viewport ) state.viewport( _currentViewport.copy( viewport ) );\n\n\t\t\tif ( opaqueObjects.length > 0 ) renderObjects( opaqueObjects, scene, camera );\n\t\t\tif ( transmissiveObjects.length > 0 ) renderObjects( transmissiveObjects, scene, camera );\n\t\t\tif ( transparentObjects.length > 0 ) renderObjects( transparentObjects, scene, camera );\n\n\t\t\t// Ensure depth buffer writing is enabled so it can be cleared on next render\n\n\t\t\tstate.buffers.depth.setTest( true );\n\t\t\tstate.buffers.depth.setMask( true );\n\t\t\tstate.buffers.color.setMask( true );\n\n\t\t\tstate.setPolygonOffset( false );\n\n\t\t}\n\n\t\tfunction renderTransmissionPass( opaqueObjects, transmissiveObjects, scene, camera ) {\n\n\t\t\tconst overrideMaterial = scene.isScene === true ? scene.overrideMaterial : null;\n\n\t\t\tif ( overrideMaterial !== null ) {\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( currentRenderState.state.transmissionRenderTarget[ camera.id ] === undefined ) {\n\n\t\t\t\tcurrentRenderState.state.transmissionRenderTarget[ camera.id ] = new WebGLRenderTarget( 1, 1, {\n\t\t\t\t\tgenerateMipmaps: true,\n\t\t\t\t\ttype: ( extensions.has( 'EXT_color_buffer_half_float' ) || extensions.has( 'EXT_color_buffer_float' ) ) ? HalfFloatType : UnsignedByteType,\n\t\t\t\t\tminFilter: LinearMipmapLinearFilter,\n\t\t\t\t\tsamples: 4,\n\t\t\t\t\tstencilBuffer: stencil,\n\t\t\t\t\tresolveDepthBuffer: false,\n\t\t\t\t\tresolveStencilBuffer: false,\n\t\t\t\t\tcolorSpace: ColorManagement.workingColorSpace,\n\t\t\t\t} );\n\n\t\t\t\t// debug\n\n\t\t\t\t/*\n\t\t\t\tconst geometry = new PlaneGeometry();\n\t\t\t\tconst material = new MeshBasicMaterial( { map: _transmissionRenderTarget.texture } );\n\n\t\t\t\tconst mesh = new Mesh( geometry, material );\n\t\t\t\tscene.add( mesh );\n\t\t\t\t*/\n\n\t\t\t}\n\n\t\t\tconst transmissionRenderTarget = currentRenderState.state.transmissionRenderTarget[ camera.id ];\n\n\t\t\tconst activeViewport = camera.viewport || _currentViewport;\n\t\t\ttransmissionRenderTarget.setSize( activeViewport.z * _this.transmissionResolutionScale, activeViewport.w * _this.transmissionResolutionScale );\n\n\t\t\t//\n\n\t\t\tconst currentRenderTarget = _this.getRenderTarget();\n\t\t\t_this.setRenderTarget( transmissionRenderTarget );\n\n\t\t\t_this.getClearColor( _currentClearColor );\n\t\t\t_currentClearAlpha = _this.getClearAlpha();\n\t\t\tif ( _currentClearAlpha < 1 ) _this.setClearColor( 0xffffff, 0.5 );\n\n\t\t\t_this.clear();\n\n\t\t\tif ( _renderBackground ) background.render( scene );\n\n\t\t\t// Turn off the features which can affect the frag color for opaque objects pass.\n\t\t\t// Otherwise they are applied twice in opaque objects pass and transmission objects pass.\n\t\t\tconst currentToneMapping = _this.toneMapping;\n\t\t\t_this.toneMapping = NoToneMapping;\n\n\t\t\t// Remove viewport from camera to avoid nested render calls resetting viewport to it (e.g Reflector).\n\t\t\t// Transmission render pass requires viewport to match the transmissionRenderTarget.\n\t\t\tconst currentCameraViewport = camera.viewport;\n\t\t\tif ( camera.viewport !== undefined ) camera.viewport = undefined;\n\n\t\t\tcurrentRenderState.setupLightsView( camera );\n\n\t\t\tif ( _clippingEnabled === true ) clipping.setGlobalState( _this.clippingPlanes, camera );\n\n\t\t\trenderObjects( opaqueObjects, scene, camera );\n\n\t\t\ttextures.updateMultisampleRenderTarget( transmissionRenderTarget );\n\t\t\ttextures.updateRenderTargetMipmap( transmissionRenderTarget );\n\n\t\t\tif ( extensions.has( 'WEBGL_multisampled_render_to_texture' ) === false ) { // see #28131\n\n\t\t\t\tlet renderTargetNeedsUpdate = false;\n\n\t\t\t\tfor ( let i = 0, l = transmissiveObjects.length; i < l; i ++ ) {\n\n\t\t\t\t\tconst renderItem = transmissiveObjects[ i ];\n\n\t\t\t\t\tconst object = renderItem.object;\n\t\t\t\t\tconst geometry = renderItem.geometry;\n\t\t\t\t\tconst material = renderItem.material;\n\t\t\t\t\tconst group = renderItem.group;\n\n\t\t\t\t\tif ( material.side === DoubleSide && object.layers.test( camera.layers ) ) {\n\n\t\t\t\t\t\tconst currentSide = material.side;\n\n\t\t\t\t\t\tmaterial.side = BackSide;\n\t\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t\t\trenderObject( object, scene, camera, geometry, material, group );\n\n\t\t\t\t\t\tmaterial.side = currentSide;\n\t\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t\t\trenderTargetNeedsUpdate = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( renderTargetNeedsUpdate === true ) {\n\n\t\t\t\t\ttextures.updateMultisampleRenderTarget( transmissionRenderTarget );\n\t\t\t\t\ttextures.updateRenderTargetMipmap( transmissionRenderTarget );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_this.setRenderTarget( currentRenderTarget );\n\n\t\t\t_this.setClearColor( _currentClearColor, _currentClearAlpha );\n\n\t\t\tif ( currentCameraViewport !== undefined ) camera.viewport = currentCameraViewport;\n\n\t\t\t_this.toneMapping = currentToneMapping;\n\n\t\t}\n\n\t\tfunction renderObjects( renderList, scene, camera ) {\n\n\t\t\tconst overrideMaterial = scene.isScene === true ? scene.overrideMaterial : null;\n\n\t\t\tfor ( let i = 0, l = renderList.length; i < l; i ++ ) {\n\n\t\t\t\tconst renderItem = renderList[ i ];\n\n\t\t\t\tconst object = renderItem.object;\n\t\t\t\tconst geometry = renderItem.geometry;\n\t\t\t\tconst material = overrideMaterial === null ? renderItem.material : overrideMaterial;\n\t\t\t\tconst group = renderItem.group;\n\n\t\t\t\tif ( object.layers.test( camera.layers ) ) {\n\n\t\t\t\t\trenderObject( object, scene, camera, geometry, material, group );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction renderObject( object, scene, camera, geometry, material, group ) {\n\n\t\t\tobject.onBeforeRender( _this, scene, camera, geometry, material, group );\n\n\t\t\tobject.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld );\n\t\t\tobject.normalMatrix.getNormalMatrix( object.modelViewMatrix );\n\n\t\t\tmaterial.onBeforeRender( _this, scene, camera, geometry, object, group );\n\n\t\t\tif ( material.transparent === true && material.side === DoubleSide && material.forceSinglePass === false ) {\n\n\t\t\t\tmaterial.side = BackSide;\n\t\t\t\tmaterial.needsUpdate = true;\n\t\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t\t\tmaterial.side = FrontSide;\n\t\t\t\tmaterial.needsUpdate = true;\n\t\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t\t\tmaterial.side = DoubleSide;\n\n\t\t\t} else {\n\n\t\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t\t}\n\n\t\t\tobject.onAfterRender( _this, scene, camera, geometry, material, group );\n\n\t\t}\n\n\t\tfunction getProgram( material, scene, object ) {\n\n\t\t\tif ( scene.isScene !== true ) scene = _emptyScene; // scene could be a Mesh, Line, Points, ...\n\n\t\t\tconst materialProperties = properties.get( material );\n\n\t\t\tconst lights = currentRenderState.state.lights;\n\t\t\tconst shadowsArray = currentRenderState.state.shadowsArray;\n\n\t\t\tconst lightsStateVersion = lights.state.version;\n\n\t\t\tconst parameters = programCache.getParameters( material, lights.state, shadowsArray, scene, object );\n\t\t\tconst programCacheKey = programCache.getProgramCacheKey( parameters );\n\n\t\t\tlet programs = materialProperties.programs;\n\n\t\t\t// always update environment and fog - changing these trigger an getProgram call, but it's possible that the program doesn't change\n\n\t\t\tmaterialProperties.environment = material.isMeshStandardMaterial ? scene.environment : null;\n\t\t\tmaterialProperties.fog = scene.fog;\n\t\t\tmaterialProperties.envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || materialProperties.environment );\n\t\t\tmaterialProperties.envMapRotation = ( materialProperties.environment !== null && material.envMap === null ) ? scene.environmentRotation : material.envMapRotation;\n\n\t\t\tif ( programs === undefined ) {\n\n\t\t\t\t// new material\n\n\t\t\t\tmaterial.addEventListener( 'dispose', onMaterialDispose );\n\n\t\t\t\tprograms = new Map();\n\t\t\t\tmaterialProperties.programs = programs;\n\n\t\t\t}\n\n\t\t\tlet program = programs.get( programCacheKey );\n\n\t\t\tif ( program !== undefined ) {\n\n\t\t\t\t// early out if program and light state is identical\n\n\t\t\t\tif ( materialProperties.currentProgram === program && materialProperties.lightsStateVersion === lightsStateVersion ) {\n\n\t\t\t\t\tupdateCommonMaterialProperties( material, parameters );\n\n\t\t\t\t\treturn program;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tparameters.uniforms = programCache.getUniforms( material );\n\n\t\t\t\tmaterial.onBeforeCompile( parameters, _this );\n\n\t\t\t\tprogram = programCache.acquireProgram( parameters, programCacheKey );\n\t\t\t\tprograms.set( programCacheKey, program );\n\n\t\t\t\tmaterialProperties.uniforms = parameters.uniforms;\n\n\t\t\t}\n\n\t\t\tconst uniforms = materialProperties.uniforms;\n\n\t\t\tif ( ( ! material.isShaderMaterial && ! material.isRawShaderMaterial ) || material.clipping === true ) {\n\n\t\t\t\tuniforms.clippingPlanes = clipping.uniform;\n\n\t\t\t}\n\n\t\t\tupdateCommonMaterialProperties( material, parameters );\n\n\t\t\t// store the light setup it was created for\n\n\t\t\tmaterialProperties.needsLights = materialNeedsLights( material );\n\t\t\tmaterialProperties.lightsStateVersion = lightsStateVersion;\n\n\t\t\tif ( materialProperties.needsLights ) {\n\n\t\t\t\t// wire up the material to this renderer's lighting state\n\n\t\t\t\tuniforms.ambientLightColor.value = lights.state.ambient;\n\t\t\t\tuniforms.lightProbe.value = lights.state.probe;\n\t\t\t\tuniforms.directionalLights.value = lights.state.directional;\n\t\t\t\tuniforms.directionalLightShadows.value = lights.state.directionalShadow;\n\t\t\t\tuniforms.spotLights.value = lights.state.spot;\n\t\t\t\tuniforms.spotLightShadows.value = lights.state.spotShadow;\n\t\t\t\tuniforms.rectAreaLights.value = lights.state.rectArea;\n\t\t\t\tuniforms.ltc_1.value = lights.state.rectAreaLTC1;\n\t\t\t\tuniforms.ltc_2.value = lights.state.rectAreaLTC2;\n\t\t\t\tuniforms.pointLights.value = lights.state.point;\n\t\t\t\tuniforms.pointLightShadows.value = lights.state.pointShadow;\n\t\t\t\tuniforms.hemisphereLights.value = lights.state.hemi;\n\n\t\t\t\tuniforms.directionalShadowMap.value = lights.state.directionalShadowMap;\n\t\t\t\tuniforms.directionalShadowMatrix.value = lights.state.directionalShadowMatrix;\n\t\t\t\tuniforms.spotShadowMap.value = lights.state.spotShadowMap;\n\t\t\t\tuniforms.spotLightMatrix.value = lights.state.spotLightMatrix;\n\t\t\t\tuniforms.spotLightMap.value = lights.state.spotLightMap;\n\t\t\t\tuniforms.pointShadowMap.value = lights.state.pointShadowMap;\n\t\t\t\tuniforms.pointShadowMatrix.value = lights.state.pointShadowMatrix;\n\t\t\t\t// TODO (abelnation): add area lights shadow info to uniforms\n\n\t\t\t}\n\n\t\t\tmaterialProperties.currentProgram = program;\n\t\t\tmaterialProperties.uniformsList = null;\n\n\t\t\treturn program;\n\n\t\t}\n\n\t\tfunction getUniformList( materialProperties ) {\n\n\t\t\tif ( materialProperties.uniformsList === null ) {\n\n\t\t\t\tconst progUniforms = materialProperties.currentProgram.getUniforms();\n\t\t\t\tmaterialProperties.uniformsList = WebGLUniforms.seqWithValue( progUniforms.seq, materialProperties.uniforms );\n\n\t\t\t}\n\n\t\t\treturn materialProperties.uniformsList;\n\n\t\t}\n\n\t\tfunction updateCommonMaterialProperties( material, parameters ) {\n\n\t\t\tconst materialProperties = properties.get( material );\n\n\t\t\tmaterialProperties.outputColorSpace = parameters.outputColorSpace;\n\t\t\tmaterialProperties.batching = parameters.batching;\n\t\t\tmaterialProperties.batchingColor = parameters.batchingColor;\n\t\t\tmaterialProperties.instancing = parameters.instancing;\n\t\t\tmaterialProperties.instancingColor = parameters.instancingColor;\n\t\t\tmaterialProperties.instancingMorph = parameters.instancingMorph;\n\t\t\tmaterialProperties.skinning = parameters.skinning;\n\t\t\tmaterialProperties.morphTargets = parameters.morphTargets;\n\t\t\tmaterialProperties.morphNormals = parameters.morphNormals;\n\t\t\tmaterialProperties.morphColors = parameters.morphColors;\n\t\t\tmaterialProperties.morphTargetsCount = parameters.morphTargetsCount;\n\t\t\tmaterialProperties.numClippingPlanes = parameters.numClippingPlanes;\n\t\t\tmaterialProperties.numIntersection = parameters.numClipIntersection;\n\t\t\tmaterialProperties.vertexAlphas = parameters.vertexAlphas;\n\t\t\tmaterialProperties.vertexTangents = parameters.vertexTangents;\n\t\t\tmaterialProperties.toneMapping = parameters.toneMapping;\n\n\t\t}\n\n\t\tfunction setProgram( camera, scene, geometry, material, object ) {\n\n\t\t\tif ( scene.isScene !== true ) scene = _emptyScene; // scene could be a Mesh, Line, Points, ...\n\n\t\t\ttextures.resetTextureUnits();\n\n\t\t\tconst fog = scene.fog;\n\t\t\tconst environment = material.isMeshStandardMaterial ? scene.environment : null;\n\t\t\tconst colorSpace = ( _currentRenderTarget === null ) ? _this.outputColorSpace : ( _currentRenderTarget.isXRRenderTarget === true ? _currentRenderTarget.texture.colorSpace : LinearSRGBColorSpace );\n\t\t\tconst envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || environment );\n\t\t\tconst vertexAlphas = material.vertexColors === true && !! geometry.attributes.color && geometry.attributes.color.itemSize === 4;\n\t\t\tconst vertexTangents = !! geometry.attributes.tangent && ( !! material.normalMap || material.anisotropy > 0 );\n\t\t\tconst morphTargets = !! geometry.morphAttributes.position;\n\t\t\tconst morphNormals = !! geometry.morphAttributes.normal;\n\t\t\tconst morphColors = !! geometry.morphAttributes.color;\n\n\t\t\tlet toneMapping = NoToneMapping;\n\n\t\t\tif ( material.toneMapped ) {\n\n\t\t\t\tif ( _currentRenderTarget === null || _currentRenderTarget.isXRRenderTarget === true ) {\n\n\t\t\t\t\ttoneMapping = _this.toneMapping;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color;\n\t\t\tconst morphTargetsCount = ( morphAttribute !== undefined ) ? morphAttribute.length : 0;\n\n\t\t\tconst materialProperties = properties.get( material );\n\t\t\tconst lights = currentRenderState.state.lights;\n\n\t\t\tif ( _clippingEnabled === true ) {\n\n\t\t\t\tif ( _localClippingEnabled === true || camera !== _currentCamera ) {\n\n\t\t\t\t\tconst useCache =\n\t\t\t\t\t\tcamera === _currentCamera &&\n\t\t\t\t\t\tmaterial.id === _currentMaterialId;\n\n\t\t\t\t\t// we might want to call this function with some ClippingGroup\n\t\t\t\t\t// object instead of the material, once it becomes feasible\n\t\t\t\t\t// (#8465, #8379)\n\t\t\t\t\tclipping.setState( material, camera, useCache );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tlet needsProgramChange = false;\n\n\t\t\tif ( material.version === materialProperties.__version ) {\n\n\t\t\t\tif ( materialProperties.needsLights && ( materialProperties.lightsStateVersion !== lights.state.version ) ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.outputColorSpace !== colorSpace ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isBatchedMesh && materialProperties.batching === false ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( ! object.isBatchedMesh && materialProperties.batching === true ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isBatchedMesh && materialProperties.batchingColor === true && object.colorTexture === null ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isBatchedMesh && materialProperties.batchingColor === false && object.colorTexture !== null ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isInstancedMesh && materialProperties.instancing === false ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( ! object.isInstancedMesh && materialProperties.instancing === true ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isSkinnedMesh && materialProperties.skinning === false ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( ! object.isSkinnedMesh && materialProperties.skinning === true ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isInstancedMesh && materialProperties.instancingColor === true && object.instanceColor === null ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isInstancedMesh && materialProperties.instancingColor === false && object.instanceColor !== null ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isInstancedMesh && materialProperties.instancingMorph === true && object.morphTexture === null ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isInstancedMesh && materialProperties.instancingMorph === false && object.morphTexture !== null ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.envMap !== envMap ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( material.fog === true && materialProperties.fog !== fog ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.numClippingPlanes !== undefined &&\n\t\t\t\t\t( materialProperties.numClippingPlanes !== clipping.numPlanes ||\n\t\t\t\t\tmaterialProperties.numIntersection !== clipping.numIntersection ) ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.vertexAlphas !== vertexAlphas ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.vertexTangents !== vertexTangents ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.morphTargets !== morphTargets ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.morphNormals !== morphNormals ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.morphColors !== morphColors ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.toneMapping !== toneMapping ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.morphTargetsCount !== morphTargetsCount ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tneedsProgramChange = true;\n\t\t\t\tmaterialProperties.__version = material.version;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tlet program = materialProperties.currentProgram;\n\n\t\t\tif ( needsProgramChange === true ) {\n\n\t\t\t\tprogram = getProgram( material, scene, object );\n\n\t\t\t}\n\n\t\t\tlet refreshProgram = false;\n\t\t\tlet refreshMaterial = false;\n\t\t\tlet refreshLights = false;\n\n\t\t\tconst p_uniforms = program.getUniforms(),\n\t\t\t\tm_uniforms = materialProperties.uniforms;\n\n\t\t\tif ( state.useProgram( program.program ) ) {\n\n\t\t\t\trefreshProgram = true;\n\t\t\t\trefreshMaterial = true;\n\t\t\t\trefreshLights = true;\n\n\t\t\t}\n\n\t\t\tif ( material.id !== _currentMaterialId ) {\n\n\t\t\t\t_currentMaterialId = material.id;\n\n\t\t\t\trefreshMaterial = true;\n\n\t\t\t}\n\n\t\t\tif ( refreshProgram || _currentCamera !== camera ) {\n\n\t\t\t\t// common camera uniforms\n\n\t\t\t\tconst reverseDepthBuffer = state.buffers.depth.getReversed();\n\n\t\t\t\tif ( reverseDepthBuffer ) {\n\n\t\t\t\t\t_currentProjectionMatrix.copy( camera.projectionMatrix );\n\n\t\t\t\t\ttoNormalizedProjectionMatrix( _currentProjectionMatrix );\n\t\t\t\t\ttoReversedProjectionMatrix( _currentProjectionMatrix );\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'projectionMatrix', _currentProjectionMatrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'projectionMatrix', camera.projectionMatrix );\n\n\t\t\t\t}\n\n\t\t\t\tp_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse );\n\n\t\t\t\tconst uCamPos = p_uniforms.map.cameraPosition;\n\n\t\t\t\tif ( uCamPos !== undefined ) {\n\n\t\t\t\t\tuCamPos.setValue( _gl, _vector3.setFromMatrixPosition( camera.matrixWorld ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( capabilities.logarithmicDepthBuffer ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'logDepthBufFC',\n\t\t\t\t\t\t2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) );\n\n\t\t\t\t}\n\n\t\t\t\t// consider moving isOrthographic to UniformLib and WebGLMaterials, see https://github.com/mrdoob/three.js/pull/26467#issuecomment-1645185067\n\n\t\t\t\tif ( material.isMeshPhongMaterial ||\n\t\t\t\t\tmaterial.isMeshToonMaterial ||\n\t\t\t\t\tmaterial.isMeshLambertMaterial ||\n\t\t\t\t\tmaterial.isMeshBasicMaterial ||\n\t\t\t\t\tmaterial.isMeshStandardMaterial ||\n\t\t\t\t\tmaterial.isShaderMaterial ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'isOrthographic', camera.isOrthographicCamera === true );\n\n\t\t\t\t}\n\n\t\t\t\tif ( _currentCamera !== camera ) {\n\n\t\t\t\t\t_currentCamera = camera;\n\n\t\t\t\t\t// lighting uniforms depend on the camera so enforce an update\n\t\t\t\t\t// now, in case this material supports lights - or later, when\n\t\t\t\t\t// the next material that does gets activated:\n\n\t\t\t\t\trefreshMaterial = true;\t\t// set to true on material change\n\t\t\t\t\trefreshLights = true;\t\t// remains set until update done\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// skinning and morph target uniforms must be set even if material didn't change\n\t\t\t// auto-setting of texture unit for bone and morph texture must go before other textures\n\t\t\t// otherwise textures used for skinning and morphing can take over texture units reserved for other material textures\n\n\t\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrix' );\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrixInverse' );\n\n\t\t\t\tconst skeleton = object.skeleton;\n\n\t\t\t\tif ( skeleton ) {\n\n\t\t\t\t\tif ( skeleton.boneTexture === null ) skeleton.computeBoneTexture();\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'boneTexture', skeleton.boneTexture, textures );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( object.isBatchedMesh ) {\n\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'batchingTexture' );\n\t\t\t\tp_uniforms.setValue( _gl, 'batchingTexture', object._matricesTexture, textures );\n\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'batchingIdTexture' );\n\t\t\t\tp_uniforms.setValue( _gl, 'batchingIdTexture', object._indirectTexture, textures );\n\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'batchingColorTexture' );\n\t\t\t\tif ( object._colorsTexture !== null ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'batchingColorTexture', object._colorsTexture, textures );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst morphAttributes = geometry.morphAttributes;\n\n\t\t\tif ( morphAttributes.position !== undefined || morphAttributes.normal !== undefined || ( morphAttributes.color !== undefined ) ) {\n\n\t\t\t\tmorphtargets.update( object, geometry, program );\n\n\t\t\t}\n\n\t\t\tif ( refreshMaterial || materialProperties.receiveShadow !== object.receiveShadow ) {\n\n\t\t\t\tmaterialProperties.receiveShadow = object.receiveShadow;\n\t\t\t\tp_uniforms.setValue( _gl, 'receiveShadow', object.receiveShadow );\n\n\t\t\t}\n\n\t\t\t// https://github.com/mrdoob/three.js/pull/24467#issuecomment-1209031512\n\n\t\t\tif ( material.isMeshGouraudMaterial && material.envMap !== null ) {\n\n\t\t\t\tm_uniforms.envMap.value = envMap;\n\n\t\t\t\tm_uniforms.flipEnvMap.value = ( envMap.isCubeTexture && envMap.isRenderTargetTexture === false ) ? - 1 : 1;\n\n\t\t\t}\n\n\t\t\tif ( material.isMeshStandardMaterial && material.envMap === null && scene.environment !== null ) {\n\n\t\t\t\tm_uniforms.envMapIntensity.value = scene.environmentIntensity;\n\n\t\t\t}\n\n\t\t\tif ( refreshMaterial ) {\n\n\t\t\t\tp_uniforms.setValue( _gl, 'toneMappingExposure', _this.toneMappingExposure );\n\n\t\t\t\tif ( materialProperties.needsLights ) {\n\n\t\t\t\t\t// the current material requires lighting info\n\n\t\t\t\t\t// note: all lighting uniforms are always set correctly\n\t\t\t\t\t// they simply reference the renderer's state for their\n\t\t\t\t\t// values\n\t\t\t\t\t//\n\t\t\t\t\t// use the current material's .needsUpdate flags to set\n\t\t\t\t\t// the GL state when required\n\n\t\t\t\t\tmarkUniformsLightsNeedsUpdate( m_uniforms, refreshLights );\n\n\t\t\t\t}\n\n\t\t\t\t// refresh uniforms common to several materials\n\n\t\t\t\tif ( fog && material.fog === true ) {\n\n\t\t\t\t\tmaterials.refreshFogUniforms( m_uniforms, fog );\n\n\t\t\t\t}\n\n\t\t\t\tmaterials.refreshMaterialUniforms( m_uniforms, material, _pixelRatio, _height, currentRenderState.state.transmissionRenderTarget[ camera.id ] );\n\n\t\t\t\tWebGLUniforms.upload( _gl, getUniformList( materialProperties ), m_uniforms, textures );\n\n\t\t\t}\n\n\t\t\tif ( material.isShaderMaterial && material.uniformsNeedUpdate === true ) {\n\n\t\t\t\tWebGLUniforms.upload( _gl, getUniformList( materialProperties ), m_uniforms, textures );\n\t\t\t\tmaterial.uniformsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( material.isSpriteMaterial ) {\n\n\t\t\t\tp_uniforms.setValue( _gl, 'center', object.center );\n\n\t\t\t}\n\n\t\t\t// common matrices\n\n\t\t\tp_uniforms.setValue( _gl, 'modelViewMatrix', object.modelViewMatrix );\n\t\t\tp_uniforms.setValue( _gl, 'normalMatrix', object.normalMatrix );\n\t\t\tp_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld );\n\n\t\t\t// UBOs\n\n\t\t\tif ( material.isShaderMaterial || material.isRawShaderMaterial ) {\n\n\t\t\t\tconst groups = material.uniformsGroups;\n\n\t\t\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\t\tconst group = groups[ i ];\n\n\t\t\t\t\tuniformsGroups.update( group, program );\n\t\t\t\t\tuniformsGroups.bind( group, program );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn program;\n\n\t\t}\n\n\t\t// If uniforms are marked as clean, they don't need to be loaded to the GPU.\n\n\t\tfunction markUniformsLightsNeedsUpdate( uniforms, value ) {\n\n\t\t\tuniforms.ambientLightColor.needsUpdate = value;\n\t\t\tuniforms.lightProbe.needsUpdate = value;\n\n\t\t\tuniforms.directionalLights.needsUpdate = value;\n\t\t\tuniforms.directionalLightShadows.needsUpdate = value;\n\t\t\tuniforms.pointLights.needsUpdate = value;\n\t\t\tuniforms.pointLightShadows.needsUpdate = value;\n\t\t\tuniforms.spotLights.needsUpdate = value;\n\t\t\tuniforms.spotLightShadows.needsUpdate = value;\n\t\t\tuniforms.rectAreaLights.needsUpdate = value;\n\t\t\tuniforms.hemisphereLights.needsUpdate = value;\n\n\t\t}\n\n\t\tfunction materialNeedsLights( material ) {\n\n\t\t\treturn material.isMeshLambertMaterial || material.isMeshToonMaterial || material.isMeshPhongMaterial ||\n\t\t\t\tmaterial.isMeshStandardMaterial || material.isShadowMaterial ||\n\t\t\t\t( material.isShaderMaterial && material.lights === true );\n\n\t\t}\n\n\t\tthis.getActiveCubeFace = function () {\n\n\t\t\treturn _currentActiveCubeFace;\n\n\t\t};\n\n\t\tthis.getActiveMipmapLevel = function () {\n\n\t\t\treturn _currentActiveMipmapLevel;\n\n\t\t};\n\n\t\tthis.getRenderTarget = function () {\n\n\t\t\treturn _currentRenderTarget;\n\n\t\t};\n\n\t\tthis.setRenderTargetTextures = function ( renderTarget, colorTexture, depthTexture ) {\n\n\t\t\tproperties.get( renderTarget.texture ).__webglTexture = colorTexture;\n\t\t\tproperties.get( renderTarget.depthTexture ).__webglTexture = depthTexture;\n\n\t\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\t\trenderTargetProperties.__hasExternalTextures = true;\n\n\t\t\trenderTargetProperties.__autoAllocateDepthBuffer = depthTexture === undefined;\n\n\t\t\tif ( ! renderTargetProperties.__autoAllocateDepthBuffer ) {\n\n\t\t\t\t// The multisample_render_to_texture extension doesn't work properly if there\n\t\t\t\t// are midframe flushes and an external depth buffer. Disable use of the extension.\n\t\t\t\tif ( extensions.has( 'WEBGL_multisampled_render_to_texture' ) === true ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Render-to-texture extension was disabled because an external texture was provided' );\n\t\t\t\t\trenderTargetProperties.__useRenderToTexture = false;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.setRenderTargetFramebuffer = function ( renderTarget, defaultFramebuffer ) {\n\n\t\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\t\trenderTargetProperties.__webglFramebuffer = defaultFramebuffer;\n\t\t\trenderTargetProperties.__useDefaultFramebuffer = defaultFramebuffer === undefined;\n\n\t\t};\n\n\t\tconst _scratchFrameBuffer = _gl.createFramebuffer();\n\t\tthis.setRenderTarget = function ( renderTarget, activeCubeFace = 0, activeMipmapLevel = 0 ) {\n\n\t\t\t_currentRenderTarget = renderTarget;\n\t\t\t_currentActiveCubeFace = activeCubeFace;\n\t\t\t_currentActiveMipmapLevel = activeMipmapLevel;\n\n\t\t\tlet useDefaultFramebuffer = true;\n\t\t\tlet framebuffer = null;\n\t\t\tlet isCube = false;\n\t\t\tlet isRenderTarget3D = false;\n\n\t\t\tif ( renderTarget ) {\n\n\t\t\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\t\t\tif ( renderTargetProperties.__useDefaultFramebuffer !== undefined ) {\n\n\t\t\t\t\t// We need to make sure to rebind the framebuffer.\n\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\t\t\t\t\tuseDefaultFramebuffer = false;\n\n\t\t\t\t} else if ( renderTargetProperties.__webglFramebuffer === undefined ) {\n\n\t\t\t\t\ttextures.setupRenderTarget( renderTarget );\n\n\t\t\t\t} else if ( renderTargetProperties.__hasExternalTextures ) {\n\n\t\t\t\t\t// Color and depth texture must be rebound in order for the swapchain to update.\n\t\t\t\t\ttextures.rebindTextures( renderTarget, properties.get( renderTarget.texture ).__webglTexture, properties.get( renderTarget.depthTexture ).__webglTexture );\n\n\t\t\t\t} else if ( renderTarget.depthBuffer ) {\n\n\t\t\t\t\t// check if the depth texture is already bound to the frame buffer and that it's been initialized\n\t\t\t\t\tconst depthTexture = renderTarget.depthTexture;\n\t\t\t\t\tif ( renderTargetProperties.__boundDepthTexture !== depthTexture ) {\n\n\t\t\t\t\t\t// check if the depth texture is compatible\n\t\t\t\t\t\tif (\n\t\t\t\t\t\t\tdepthTexture !== null &&\n\t\t\t\t\t\t\tproperties.has( depthTexture ) &&\n\t\t\t\t\t\t\t( renderTarget.width !== depthTexture.image.width || renderTarget.height !== depthTexture.image.height )\n\t\t\t\t\t\t) {\n\n\t\t\t\t\t\t\tthrow new Error( 'WebGLRenderTarget: Attached DepthTexture is initialized to the incorrect size.' );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// Swap the depth buffer to the currently attached one\n\t\t\t\t\t\ttextures.setupDepthRenderbuffer( renderTarget );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tconst texture = renderTarget.texture;\n\n\t\t\t\tif ( texture.isData3DTexture || texture.isDataArrayTexture || texture.isCompressedArrayTexture ) {\n\n\t\t\t\t\tisRenderTarget3D = true;\n\n\t\t\t\t}\n\n\t\t\t\tconst __webglFramebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\t\t\tif ( renderTarget.isWebGLCubeRenderTarget ) {\n\n\t\t\t\t\tif ( Array.isArray( __webglFramebuffer[ activeCubeFace ] ) ) {\n\n\t\t\t\t\t\tframebuffer = __webglFramebuffer[ activeCubeFace ][ activeMipmapLevel ];\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tframebuffer = __webglFramebuffer[ activeCubeFace ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tisCube = true;\n\n\t\t\t\t} else if ( ( renderTarget.samples > 0 ) && textures.useMultisampledRTT( renderTarget ) === false ) {\n\n\t\t\t\t\tframebuffer = properties.get( renderTarget ).__webglMultisampledFramebuffer;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( Array.isArray( __webglFramebuffer ) ) {\n\n\t\t\t\t\t\tframebuffer = __webglFramebuffer[ activeMipmapLevel ];\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tframebuffer = __webglFramebuffer;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t_currentViewport.copy( renderTarget.viewport );\n\t\t\t\t_currentScissor.copy( renderTarget.scissor );\n\t\t\t\t_currentScissorTest = renderTarget.scissorTest;\n\n\t\t\t} else {\n\n\t\t\t\t_currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).floor();\n\t\t\t\t_currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).floor();\n\t\t\t\t_currentScissorTest = _scissorTest;\n\n\t\t\t}\n\n\t\t\t// Use a scratch frame buffer if rendering to a mip level to avoid depth buffers\n\t\t\t// being bound that are different sizes.\n\t\t\tif ( activeMipmapLevel !== 0 ) {\n\n\t\t\t\tframebuffer = _scratchFrameBuffer;\n\n\t\t\t}\n\n\t\t\tconst framebufferBound = state.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\tif ( framebufferBound && useDefaultFramebuffer ) {\n\n\t\t\t\tstate.drawBuffers( renderTarget, framebuffer );\n\n\t\t\t}\n\n\t\t\tstate.viewport( _currentViewport );\n\t\t\tstate.scissor( _currentScissor );\n\t\t\tstate.setScissorTest( _currentScissorTest );\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\tconst textureProperties = properties.get( renderTarget.texture );\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + activeCubeFace, textureProperties.__webglTexture, activeMipmapLevel );\n\n\t\t\t} else if ( isRenderTarget3D ) {\n\n\t\t\t\tconst textureProperties = properties.get( renderTarget.texture );\n\t\t\t\tconst layer = activeCubeFace;\n\t\t\t\t_gl.framebufferTextureLayer( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, textureProperties.__webglTexture, activeMipmapLevel, layer );\n\n\t\t\t} else if ( renderTarget !== null && activeMipmapLevel !== 0 ) {\n\n\t\t\t\t// Only bind the frame buffer if we are using a scratch frame buffer to render to a mipmap.\n\t\t\t\t// If we rebind the texture when using a multi sample buffer then an error about inconsistent samples will be thrown.\n\t\t\t\tconst textureProperties = properties.get( renderTarget.texture );\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, textureProperties.__webglTexture, activeMipmapLevel );\n\n\t\t\t}\n\n\t\t\t_currentMaterialId = - 1; // reset current material to ensure correct uniform bindings\n\n\t\t};\n\n\t\tthis.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer, activeCubeFaceIndex ) {\n\n\t\t\tif ( ! ( renderTarget && renderTarget.isWebGLRenderTarget ) ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tlet framebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\t\tif ( renderTarget.isWebGLCubeRenderTarget && activeCubeFaceIndex !== undefined ) {\n\n\t\t\t\tframebuffer = framebuffer[ activeCubeFaceIndex ];\n\n\t\t\t}\n\n\t\t\tif ( framebuffer ) {\n\n\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\t\ttry {\n\n\t\t\t\t\tconst texture = renderTarget.texture;\n\t\t\t\t\tconst textureFormat = texture.format;\n\t\t\t\t\tconst textureType = texture.type;\n\n\t\t\t\t\tif ( ! capabilities.textureFormatReadable( textureFormat ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! capabilities.textureTypeReadable( textureType ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604)\n\n\t\t\t\t\tif ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) {\n\n\t\t\t\t\t\t_gl.readPixels( x, y, width, height, utils.convert( textureFormat ), utils.convert( textureType ), buffer );\n\n\t\t\t\t\t}\n\n\t\t\t\t} finally {\n\n\t\t\t\t\t// restore framebuffer of current render target if necessary\n\n\t\t\t\t\tconst framebuffer = ( _currentRenderTarget !== null ) ? properties.get( _currentRenderTarget ).__webglFramebuffer : null;\n\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.readRenderTargetPixelsAsync = async function ( renderTarget, x, y, width, height, buffer, activeCubeFaceIndex ) {\n\n\t\t\tif ( ! ( renderTarget && renderTarget.isWebGLRenderTarget ) ) {\n\n\t\t\t\tthrow new Error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' );\n\n\t\t\t}\n\n\t\t\tlet framebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\t\t\tif ( renderTarget.isWebGLCubeRenderTarget && activeCubeFaceIndex !== undefined ) {\n\n\t\t\t\tframebuffer = framebuffer[ activeCubeFaceIndex ];\n\n\t\t\t}\n\n\t\t\tif ( framebuffer ) {\n\n\t\t\t\tconst texture = renderTarget.texture;\n\t\t\t\tconst textureFormat = texture.format;\n\t\t\t\tconst textureType = texture.type;\n\n\t\t\t\tif ( ! capabilities.textureFormatReadable( textureFormat ) ) {\n\n\t\t\t\t\tthrow new Error( 'THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in RGBA or implementation defined format.' );\n\n\t\t\t\t}\n\n\t\t\t\tif ( ! capabilities.textureTypeReadable( textureType ) ) {\n\n\t\t\t\t\tthrow new Error( 'THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in UnsignedByteType or implementation defined type.' );\n\n\t\t\t\t}\n\n\t\t\t\t// the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604)\n\t\t\t\tif ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) {\n\n\t\t\t\t\t// set the active frame buffer to the one we want to read\n\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\t\t\tconst glBuffer = _gl.createBuffer();\n\t\t\t\t\t_gl.bindBuffer( _gl.PIXEL_PACK_BUFFER, glBuffer );\n\t\t\t\t\t_gl.bufferData( _gl.PIXEL_PACK_BUFFER, buffer.byteLength, _gl.STREAM_READ );\n\t\t\t\t\t_gl.readPixels( x, y, width, height, utils.convert( textureFormat ), utils.convert( textureType ), 0 );\n\n\t\t\t\t\t// reset the frame buffer to the currently set buffer before waiting\n\t\t\t\t\tconst currFramebuffer = _currentRenderTarget !== null ? properties.get( _currentRenderTarget ).__webglFramebuffer : null;\n\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, currFramebuffer );\n\n\t\t\t\t\t// check if the commands have finished every 8 ms\n\t\t\t\t\tconst sync = _gl.fenceSync( _gl.SYNC_GPU_COMMANDS_COMPLETE, 0 );\n\n\t\t\t\t\t_gl.flush();\n\n\t\t\t\t\tawait probeAsync( _gl, sync, 4 );\n\n\t\t\t\t\t// read the data and delete the buffer\n\t\t\t\t\t_gl.bindBuffer( _gl.PIXEL_PACK_BUFFER, glBuffer );\n\t\t\t\t\t_gl.getBufferSubData( _gl.PIXEL_PACK_BUFFER, 0, buffer );\n\t\t\t\t\t_gl.deleteBuffer( glBuffer );\n\t\t\t\t\t_gl.deleteSync( sync );\n\n\t\t\t\t\treturn buffer;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new Error( 'THREE.WebGLRenderer.readRenderTargetPixelsAsync: requested read bounds are out of range.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.copyFramebufferToTexture = function ( texture, position = null, level = 0 ) {\n\n\t\t\t// support previous signature with position first\n\t\t\tif ( texture.isTexture !== true ) {\n\n\t\t\t\t// @deprecated, r165\n\t\t\t\twarnOnce( 'WebGLRenderer: copyFramebufferToTexture function signature has changed.' );\n\n\t\t\t\tposition = arguments[ 0 ] || null;\n\t\t\t\ttexture = arguments[ 1 ];\n\n\t\t\t}\n\n\t\t\tconst levelScale = Math.pow( 2, - level );\n\t\t\tconst width = Math.floor( texture.image.width * levelScale );\n\t\t\tconst height = Math.floor( texture.image.height * levelScale );\n\n\t\t\tconst x = position !== null ? position.x : 0;\n\t\t\tconst y = position !== null ? position.y : 0;\n\n\t\t\ttextures.setTexture2D( texture, 0 );\n\n\t\t\t_gl.copyTexSubImage2D( _gl.TEXTURE_2D, level, 0, 0, x, y, width, height );\n\n\t\t\tstate.unbindTexture();\n\n\t\t};\n\n\t\tconst _srcFramebuffer = _gl.createFramebuffer();\n\t\tconst _dstFramebuffer = _gl.createFramebuffer();\n\t\tthis.copyTextureToTexture = function ( srcTexture, dstTexture, srcRegion = null, dstPosition = null, srcLevel = 0, dstLevel = null ) {\n\n\t\t\t// support previous signature with dstPosition first\n\t\t\tif ( srcTexture.isTexture !== true ) {\n\n\t\t\t\t// @deprecated, r165\n\t\t\t\twarnOnce( 'WebGLRenderer: copyTextureToTexture function signature has changed.' );\n\n\t\t\t\tdstPosition = arguments[ 0 ] || null;\n\t\t\t\tsrcTexture = arguments[ 1 ];\n\t\t\t\tdstTexture = arguments[ 2 ];\n\t\t\t\tdstLevel = arguments[ 3 ] || 0;\n\t\t\t\tsrcRegion = null;\n\n\t\t\t}\n\n\t\t\t// support the previous signature with just a single dst mipmap level\n\t\t\tif ( dstLevel === null ) {\n\n\t\t\t\tif ( srcLevel !== 0 ) {\n\n\t\t\t\t\t// @deprecated, r171\n\t\t\t\t\twarnOnce( 'WebGLRenderer: copyTextureToTexture function signature has changed to support src and dst mipmap levels.' );\n\t\t\t\t\tdstLevel = srcLevel;\n\t\t\t\t\tsrcLevel = 0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tdstLevel = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// gather the necessary dimensions to copy\n\t\t\tlet width, height, depth, minX, minY, minZ;\n\t\t\tlet dstX, dstY, dstZ;\n\t\t\tconst image = srcTexture.isCompressedTexture ? srcTexture.mipmaps[ dstLevel ] : srcTexture.image;\n\t\t\tif ( srcRegion !== null ) {\n\n\t\t\t\twidth = srcRegion.max.x - srcRegion.min.x;\n\t\t\t\theight = srcRegion.max.y - srcRegion.min.y;\n\t\t\t\tdepth = srcRegion.isBox3 ? srcRegion.max.z - srcRegion.min.z : 1;\n\t\t\t\tminX = srcRegion.min.x;\n\t\t\t\tminY = srcRegion.min.y;\n\t\t\t\tminZ = srcRegion.isBox3 ? srcRegion.min.z : 0;\n\n\t\t\t} else {\n\n\t\t\t\tconst levelScale = Math.pow( 2, - srcLevel );\n\t\t\t\twidth = Math.floor( image.width * levelScale );\n\t\t\t\theight = Math.floor( image.height * levelScale );\n\t\t\t\tif ( srcTexture.isDataArrayTexture ) {\n\n\t\t\t\t\tdepth = image.depth;\n\n\t\t\t\t} else if ( srcTexture.isData3DTexture ) {\n\n\t\t\t\t\tdepth = Math.floor( image.depth * levelScale );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tdepth = 1;\n\n\t\t\t\t}\n\n\t\t\t\tminX = 0;\n\t\t\t\tminY = 0;\n\t\t\t\tminZ = 0;\n\n\t\t\t}\n\n\t\t\tif ( dstPosition !== null ) {\n\n\t\t\t\tdstX = dstPosition.x;\n\t\t\t\tdstY = dstPosition.y;\n\t\t\t\tdstZ = dstPosition.z;\n\n\t\t\t} else {\n\n\t\t\t\tdstX = 0;\n\t\t\t\tdstY = 0;\n\t\t\t\tdstZ = 0;\n\n\t\t\t}\n\n\t\t\t// Set up the destination target\n\t\t\tconst glFormat = utils.convert( dstTexture.format );\n\t\t\tconst glType = utils.convert( dstTexture.type );\n\t\t\tlet glTarget;\n\n\t\t\tif ( dstTexture.isData3DTexture ) {\n\n\t\t\t\ttextures.setTexture3D( dstTexture, 0 );\n\t\t\t\tglTarget = _gl.TEXTURE_3D;\n\n\t\t\t} else if ( dstTexture.isDataArrayTexture || dstTexture.isCompressedArrayTexture ) {\n\n\t\t\t\ttextures.setTexture2DArray( dstTexture, 0 );\n\t\t\t\tglTarget = _gl.TEXTURE_2D_ARRAY;\n\n\t\t\t} else {\n\n\t\t\t\ttextures.setTexture2D( dstTexture, 0 );\n\t\t\t\tglTarget = _gl.TEXTURE_2D;\n\n\t\t\t}\n\n\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, dstTexture.flipY );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, dstTexture.premultiplyAlpha );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ALIGNMENT, dstTexture.unpackAlignment );\n\n\t\t\t// used for copying data from cpu\n\t\t\tconst currentUnpackRowLen = _gl.getParameter( _gl.UNPACK_ROW_LENGTH );\n\t\t\tconst currentUnpackImageHeight = _gl.getParameter( _gl.UNPACK_IMAGE_HEIGHT );\n\t\t\tconst currentUnpackSkipPixels = _gl.getParameter( _gl.UNPACK_SKIP_PIXELS );\n\t\t\tconst currentUnpackSkipRows = _gl.getParameter( _gl.UNPACK_SKIP_ROWS );\n\t\t\tconst currentUnpackSkipImages = _gl.getParameter( _gl.UNPACK_SKIP_IMAGES );\n\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ROW_LENGTH, image.width );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_IMAGE_HEIGHT, image.height );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_PIXELS, minX );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_ROWS, minY );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_IMAGES, minZ );\n\n\t\t\t// set up the src texture\n\t\t\tconst isSrc3D = srcTexture.isDataArrayTexture || srcTexture.isData3DTexture;\n\t\t\tconst isDst3D = dstTexture.isDataArrayTexture || dstTexture.isData3DTexture;\n\t\t\tif ( srcTexture.isDepthTexture ) {\n\n\t\t\t\tconst srcTextureProperties = properties.get( srcTexture );\n\t\t\t\tconst dstTextureProperties = properties.get( dstTexture );\n\t\t\t\tconst srcRenderTargetProperties = properties.get( srcTextureProperties.__renderTarget );\n\t\t\t\tconst dstRenderTargetProperties = properties.get( dstTextureProperties.__renderTarget );\n\t\t\t\tstate.bindFramebuffer( _gl.READ_FRAMEBUFFER, srcRenderTargetProperties.__webglFramebuffer );\n\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, dstRenderTargetProperties.__webglFramebuffer );\n\n\t\t\t\tfor ( let i = 0; i < depth; i ++ ) {\n\n\t\t\t\t\t// if the source or destination are a 3d target then a layer needs to be bound\n\t\t\t\t\tif ( isSrc3D ) {\n\n\t\t\t\t\t\t_gl.framebufferTextureLayer( _gl.READ_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, properties.get( srcTexture ).__webglTexture, srcLevel, minZ + i );\n\t\t\t\t\t\t_gl.framebufferTextureLayer( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, properties.get( dstTexture ).__webglTexture, dstLevel, dstZ + i );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_gl.blitFramebuffer( minX, minY, width, height, dstX, dstY, width, height, _gl.DEPTH_BUFFER_BIT, _gl.NEAREST );\n\n\t\t\t\t}\n\n\t\t\t\tstate.bindFramebuffer( _gl.READ_FRAMEBUFFER, null );\n\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, null );\n\n\t\t\t} else if ( srcLevel !== 0 || srcTexture.isRenderTargetTexture || properties.has( srcTexture ) ) {\n\n\t\t\t\t// get the appropriate frame buffers\n\t\t\t\tconst srcTextureProperties = properties.get( srcTexture );\n\t\t\t\tconst dstTextureProperties = properties.get( dstTexture );\n\n\t\t\t\t// bind the frame buffer targets\n\t\t\t\tstate.bindFramebuffer( _gl.READ_FRAMEBUFFER, _srcFramebuffer );\n\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, _dstFramebuffer );\n\n\t\t\t\tfor ( let i = 0; i < depth; i ++ ) {\n\n\t\t\t\t\t// assign the correct layers and mip maps to the frame buffers\n\t\t\t\t\tif ( isSrc3D ) {\n\n\t\t\t\t\t\t_gl.framebufferTextureLayer( _gl.READ_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, srcTextureProperties.__webglTexture, srcLevel, minZ + i );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_gl.framebufferTexture2D( _gl.READ_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, srcTextureProperties.__webglTexture, srcLevel );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( isDst3D ) {\n\n\t\t\t\t\t\t_gl.framebufferTextureLayer( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, dstTextureProperties.__webglTexture, dstLevel, dstZ + i );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_gl.framebufferTexture2D( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, dstTextureProperties.__webglTexture, dstLevel );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// copy the data using the fastest function that can achieve the copy\n\t\t\t\t\tif ( srcLevel !== 0 ) {\n\n\t\t\t\t\t\t_gl.blitFramebuffer( minX, minY, width, height, dstX, dstY, width, height, _gl.COLOR_BUFFER_BIT, _gl.NEAREST );\n\n\t\t\t\t\t} else if ( isDst3D ) {\n\n\t\t\t\t\t\t_gl.copyTexSubImage3D( glTarget, dstLevel, dstX, dstY, dstZ + i, minX, minY, width, height );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_gl.copyTexSubImage2D( glTarget, dstLevel, dstX, dstY, minX, minY, width, height );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// unbind read, draw buffers\n\t\t\t\tstate.bindFramebuffer( _gl.READ_FRAMEBUFFER, null );\n\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, null );\n\n\t\t\t} else {\n\n\t\t\t\tif ( isDst3D ) {\n\n\t\t\t\t\t// copy data into the 3d texture\n\t\t\t\t\tif ( srcTexture.isDataTexture || srcTexture.isData3DTexture ) {\n\n\t\t\t\t\t\t_gl.texSubImage3D( glTarget, dstLevel, dstX, dstY, dstZ, width, height, depth, glFormat, glType, image.data );\n\n\t\t\t\t\t} else if ( dstTexture.isCompressedArrayTexture ) {\n\n\t\t\t\t\t\t_gl.compressedTexSubImage3D( glTarget, dstLevel, dstX, dstY, dstZ, width, height, depth, glFormat, image.data );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_gl.texSubImage3D( glTarget, dstLevel, dstX, dstY, dstZ, width, height, depth, glFormat, glType, image );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// copy data into the 2d texture\n\t\t\t\t\tif ( srcTexture.isDataTexture ) {\n\n\t\t\t\t\t\t_gl.texSubImage2D( _gl.TEXTURE_2D, dstLevel, dstX, dstY, width, height, glFormat, glType, image.data );\n\n\t\t\t\t\t} else if ( srcTexture.isCompressedTexture ) {\n\n\t\t\t\t\t\t_gl.compressedTexSubImage2D( _gl.TEXTURE_2D, dstLevel, dstX, dstY, image.width, image.height, glFormat, image.data );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_gl.texSubImage2D( _gl.TEXTURE_2D, dstLevel, dstX, dstY, width, height, glFormat, glType, image );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// reset values\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ROW_LENGTH, currentUnpackRowLen );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_IMAGE_HEIGHT, currentUnpackImageHeight );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_PIXELS, currentUnpackSkipPixels );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_ROWS, currentUnpackSkipRows );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_IMAGES, currentUnpackSkipImages );\n\n\t\t\t// Generate mipmaps only when copying level 0\n\t\t\tif ( dstLevel === 0 && dstTexture.generateMipmaps ) {\n\n\t\t\t\t_gl.generateMipmap( glTarget );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t};\n\n\t\tthis.copyTextureToTexture3D = function ( srcTexture, dstTexture, srcRegion = null, dstPosition = null, level = 0 ) {\n\n\t\t\t// support previous signature with source box first\n\t\t\tif ( srcTexture.isTexture !== true ) {\n\n\t\t\t\t// @deprecated, r165\n\t\t\t\twarnOnce( 'WebGLRenderer: copyTextureToTexture3D function signature has changed.' );\n\n\t\t\t\tsrcRegion = arguments[ 0 ] || null;\n\t\t\t\tdstPosition = arguments[ 1 ] || null;\n\t\t\t\tsrcTexture = arguments[ 2 ];\n\t\t\t\tdstTexture = arguments[ 3 ];\n\t\t\t\tlevel = arguments[ 4 ] || 0;\n\n\t\t\t}\n\n\t\t\t// @deprecated, r170\n\t\t\twarnOnce( 'WebGLRenderer: copyTextureToTexture3D function has been deprecated. Use \"copyTextureToTexture\" instead.' );\n\n\t\t\treturn this.copyTextureToTexture( srcTexture, dstTexture, srcRegion, dstPosition, level );\n\n\t\t};\n\n\t\tthis.initRenderTarget = function ( target ) {\n\n\t\t\tif ( properties.get( target ).__webglFramebuffer === undefined ) {\n\n\t\t\t\ttextures.setupRenderTarget( target );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.initTexture = function ( texture ) {\n\n\t\t\tif ( texture.isCubeTexture ) {\n\n\t\t\t\ttextures.setTextureCube( texture, 0 );\n\n\t\t\t} else if ( texture.isData3DTexture ) {\n\n\t\t\t\ttextures.setTexture3D( texture, 0 );\n\n\t\t\t} else if ( texture.isDataArrayTexture || texture.isCompressedArrayTexture ) {\n\n\t\t\t\ttextures.setTexture2DArray( texture, 0 );\n\n\t\t\t} else {\n\n\t\t\t\ttextures.setTexture2D( texture, 0 );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t};\n\n\t\tthis.resetState = function () {\n\n\t\t\t_currentActiveCubeFace = 0;\n\t\t\t_currentActiveMipmapLevel = 0;\n\t\t\t_currentRenderTarget = null;\n\n\t\t\tstate.reset();\n\t\t\tbindingStates.reset();\n\n\t\t};\n\n\t\tif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t\t\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) );\n\n\t\t}\n\n\t}\n\n\tget coordinateSystem() {\n\n\t\treturn WebGLCoordinateSystem;\n\n\t}\n\n\tget outputColorSpace() {\n\n\t\treturn this._outputColorSpace;\n\n\t}\n\n\tset outputColorSpace( colorSpace ) {\n\n\t\tthis._outputColorSpace = colorSpace;\n\n\t\tconst gl = this.getContext();\n\t\tgl.drawingBufferColorspace = ColorManagement._getDrawingBufferColorSpace( colorSpace );\n\t\tgl.unpackColorSpace = ColorManagement._getUnpackColorSpace();\n\n\t}\n\n}\n\nexport { ACESFilmicToneMapping, AddEquation, AddOperation, AdditiveBlending, AgXToneMapping, AlphaFormat, AlwaysCompare, AlwaysDepth, ArrayCamera, BackSide, BoxGeometry, BufferAttribute, BufferGeometry, ByteType, CineonToneMapping, ClampToEdgeWrapping, Color, ColorManagement, ConstantAlphaFactor, ConstantColorFactor, CubeReflectionMapping, CubeRefractionMapping, CubeTexture, CubeUVReflectionMapping, CullFaceBack, CullFaceFront, CullFaceNone, CustomBlending, CustomToneMapping, Data3DTexture, DataArrayTexture, DepthFormat, DepthStencilFormat, DepthTexture, DoubleSide, DstAlphaFactor, DstColorFactor, EqualCompare, EqualDepth, EquirectangularReflectionMapping, EquirectangularRefractionMapping, Euler, EventDispatcher, FloatType, FrontSide, Frustum, GLSL3, GreaterCompare, GreaterDepth, GreaterEqualCompare, GreaterEqualDepth, HalfFloatType, IntType, Layers, LessCompare, LessDepth, LessEqualCompare, LessEqualDepth, LinearFilter, LinearMipmapLinearFilter, LinearMipmapNearestFilter, LinearSRGBColorSpace, LinearToneMapping, LinearTransfer, LuminanceAlphaFormat, LuminanceFormat, Matrix3, Matrix4, MaxEquation, Mesh, MeshBasicMaterial, MeshDepthMaterial, MeshDistanceMaterial, MinEquation, MirroredRepeatWrapping, MixOperation, MultiplyBlending, MultiplyOperation, NearestFilter, NearestMipmapLinearFilter, NearestMipmapNearestFilter, NeutralToneMapping, NeverCompare, NeverDepth, NoBlending, NoColorSpace, NoToneMapping, NormalBlending, NotEqualCompare, NotEqualDepth, ObjectSpaceNormalMap, OneFactor, OneMinusConstantAlphaFactor, OneMinusConstantColorFactor, OneMinusDstAlphaFactor, OneMinusDstColorFactor, OneMinusSrcAlphaFactor, OneMinusSrcColorFactor, OrthographicCamera, PCFShadowMap, PCFSoftShadowMap, PMREMGenerator, PerspectiveCamera, Plane, PlaneGeometry, RED_GREEN_RGTC2_Format, RED_RGTC1_Format, REVISION, RGBADepthPacking, RGBAFormat, RGBAIntegerFormat, RGBA_ASTC_10x10_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_BPTC_Format, RGBA_ETC2_EAC_Format, RGBA_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGBFormat, RGB_BPTC_SIGNED_Format, RGB_BPTC_UNSIGNED_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGB_PVRTC_2BPPV1_Format, RGB_PVRTC_4BPPV1_Format, RGB_S3TC_DXT1_Format, RGFormat, RGIntegerFormat, RedFormat, RedIntegerFormat, ReinhardToneMapping, RepeatWrapping, ReverseSubtractEquation, SIGNED_RED_GREEN_RGTC2_Format, SIGNED_RED_RGTC1_Format, SRGBColorSpace, SRGBTransfer, ShaderChunk, ShaderLib, ShaderMaterial, ShortType, SrcAlphaFactor, SrcAlphaSaturateFactor, SrcColorFactor, SubtractEquation, SubtractiveBlending, TangentSpaceNormalMap, Texture, Uint16BufferAttribute, Uint32BufferAttribute, UniformsLib, UniformsUtils, UnsignedByteType, UnsignedInt248Type, UnsignedInt5999Type, UnsignedIntType, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedShortType, VSMShadowMap, Vector2, Vector3, Vector4, WebGLCoordinateSystem, WebGLCubeRenderTarget, WebGLRenderTarget, WebGLRenderer, WebGLUtils, WebXRController, ZeroFactor, createCanvasElement };\n", "/**\n * @license\n * Copyright 2010-2025 Three.js Authors\n * SPDX-License-Identifier: MIT\n */\nconst REVISION = '173';\n\nconst MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2, ROTATE: 0, DOLLY: 1, PAN: 2 };\nconst TOUCH = { ROTATE: 0, PAN: 1, DOLLY_PAN: 2, DOLLY_ROTATE: 3 };\nconst CullFaceNone = 0;\nconst CullFaceBack = 1;\nconst CullFaceFront = 2;\nconst CullFaceFrontBack = 3;\nconst BasicShadowMap = 0;\nconst PCFShadowMap = 1;\nconst PCFSoftShadowMap = 2;\nconst VSMShadowMap = 3;\nconst FrontSide = 0;\nconst BackSide = 1;\nconst DoubleSide = 2;\nconst NoBlending = 0;\nconst NormalBlending = 1;\nconst AdditiveBlending = 2;\nconst SubtractiveBlending = 3;\nconst MultiplyBlending = 4;\nconst CustomBlending = 5;\nconst AddEquation = 100;\nconst SubtractEquation = 101;\nconst ReverseSubtractEquation = 102;\nconst MinEquation = 103;\nconst MaxEquation = 104;\nconst ZeroFactor = 200;\nconst OneFactor = 201;\nconst SrcColorFactor = 202;\nconst OneMinusSrcColorFactor = 203;\nconst SrcAlphaFactor = 204;\nconst OneMinusSrcAlphaFactor = 205;\nconst DstAlphaFactor = 206;\nconst OneMinusDstAlphaFactor = 207;\nconst DstColorFactor = 208;\nconst OneMinusDstColorFactor = 209;\nconst SrcAlphaSaturateFactor = 210;\nconst ConstantColorFactor = 211;\nconst OneMinusConstantColorFactor = 212;\nconst ConstantAlphaFactor = 213;\nconst OneMinusConstantAlphaFactor = 214;\nconst NeverDepth = 0;\nconst AlwaysDepth = 1;\nconst LessDepth = 2;\nconst LessEqualDepth = 3;\nconst EqualDepth = 4;\nconst GreaterEqualDepth = 5;\nconst GreaterDepth = 6;\nconst NotEqualDepth = 7;\nconst MultiplyOperation = 0;\nconst MixOperation = 1;\nconst AddOperation = 2;\nconst NoToneMapping = 0;\nconst LinearToneMapping = 1;\nconst ReinhardToneMapping = 2;\nconst CineonToneMapping = 3;\nconst ACESFilmicToneMapping = 4;\nconst CustomToneMapping = 5;\nconst AgXToneMapping = 6;\nconst NeutralToneMapping = 7;\nconst AttachedBindMode = 'attached';\nconst DetachedBindMode = 'detached';\n\nconst UVMapping = 300;\nconst CubeReflectionMapping = 301;\nconst CubeRefractionMapping = 302;\nconst EquirectangularReflectionMapping = 303;\nconst EquirectangularRefractionMapping = 304;\nconst CubeUVReflectionMapping = 306;\nconst RepeatWrapping = 1000;\nconst ClampToEdgeWrapping = 1001;\nconst MirroredRepeatWrapping = 1002;\nconst NearestFilter = 1003;\nconst NearestMipmapNearestFilter = 1004;\nconst NearestMipMapNearestFilter = 1004;\nconst NearestMipmapLinearFilter = 1005;\nconst NearestMipMapLinearFilter = 1005;\nconst LinearFilter = 1006;\nconst LinearMipmapNearestFilter = 1007;\nconst LinearMipMapNearestFilter = 1007;\nconst LinearMipmapLinearFilter = 1008;\nconst LinearMipMapLinearFilter = 1008;\nconst UnsignedByteType = 1009;\nconst ByteType = 1010;\nconst ShortType = 1011;\nconst UnsignedShortType = 1012;\nconst IntType = 1013;\nconst UnsignedIntType = 1014;\nconst FloatType = 1015;\nconst HalfFloatType = 1016;\nconst UnsignedShort4444Type = 1017;\nconst UnsignedShort5551Type = 1018;\nconst UnsignedInt248Type = 1020;\nconst UnsignedInt5999Type = 35902;\nconst AlphaFormat = 1021;\nconst RGBFormat = 1022;\nconst RGBAFormat = 1023;\nconst LuminanceFormat = 1024;\nconst LuminanceAlphaFormat = 1025;\nconst DepthFormat = 1026;\nconst DepthStencilFormat = 1027;\nconst RedFormat = 1028;\nconst RedIntegerFormat = 1029;\nconst RGFormat = 1030;\nconst RGIntegerFormat = 1031;\nconst RGBIntegerFormat = 1032;\nconst RGBAIntegerFormat = 1033;\n\nconst RGB_S3TC_DXT1_Format = 33776;\nconst RGBA_S3TC_DXT1_Format = 33777;\nconst RGBA_S3TC_DXT3_Format = 33778;\nconst RGBA_S3TC_DXT5_Format = 33779;\nconst RGB_PVRTC_4BPPV1_Format = 35840;\nconst RGB_PVRTC_2BPPV1_Format = 35841;\nconst RGBA_PVRTC_4BPPV1_Format = 35842;\nconst RGBA_PVRTC_2BPPV1_Format = 35843;\nconst RGB_ETC1_Format = 36196;\nconst RGB_ETC2_Format = 37492;\nconst RGBA_ETC2_EAC_Format = 37496;\nconst RGBA_ASTC_4x4_Format = 37808;\nconst RGBA_ASTC_5x4_Format = 37809;\nconst RGBA_ASTC_5x5_Format = 37810;\nconst RGBA_ASTC_6x5_Format = 37811;\nconst RGBA_ASTC_6x6_Format = 37812;\nconst RGBA_ASTC_8x5_Format = 37813;\nconst RGBA_ASTC_8x6_Format = 37814;\nconst RGBA_ASTC_8x8_Format = 37815;\nconst RGBA_ASTC_10x5_Format = 37816;\nconst RGBA_ASTC_10x6_Format = 37817;\nconst RGBA_ASTC_10x8_Format = 37818;\nconst RGBA_ASTC_10x10_Format = 37819;\nconst RGBA_ASTC_12x10_Format = 37820;\nconst RGBA_ASTC_12x12_Format = 37821;\nconst RGBA_BPTC_Format = 36492;\nconst RGB_BPTC_SIGNED_Format = 36494;\nconst RGB_BPTC_UNSIGNED_Format = 36495;\nconst RED_RGTC1_Format = 36283;\nconst SIGNED_RED_RGTC1_Format = 36284;\nconst RED_GREEN_RGTC2_Format = 36285;\nconst SIGNED_RED_GREEN_RGTC2_Format = 36286;\nconst LoopOnce = 2200;\nconst LoopRepeat = 2201;\nconst LoopPingPong = 2202;\nconst InterpolateDiscrete = 2300;\nconst InterpolateLinear = 2301;\nconst InterpolateSmooth = 2302;\nconst ZeroCurvatureEnding = 2400;\nconst ZeroSlopeEnding = 2401;\nconst WrapAroundEnding = 2402;\nconst NormalAnimationBlendMode = 2500;\nconst AdditiveAnimationBlendMode = 2501;\nconst TrianglesDrawMode = 0;\nconst TriangleStripDrawMode = 1;\nconst TriangleFanDrawMode = 2;\nconst BasicDepthPacking = 3200;\nconst RGBADepthPacking = 3201;\nconst RGBDepthPacking = 3202;\nconst RGDepthPacking = 3203;\nconst TangentSpaceNormalMap = 0;\nconst ObjectSpaceNormalMap = 1;\n\n// Color space string identifiers, matching CSS Color Module Level 4 and WebGPU names where available.\nconst NoColorSpace = '';\nconst SRGBColorSpace = 'srgb';\nconst LinearSRGBColorSpace = 'srgb-linear';\n\nconst LinearTransfer = 'linear';\nconst SRGBTransfer = 'srgb';\n\nconst ZeroStencilOp = 0;\nconst KeepStencilOp = 7680;\nconst ReplaceStencilOp = 7681;\nconst IncrementStencilOp = 7682;\nconst DecrementStencilOp = 7683;\nconst IncrementWrapStencilOp = 34055;\nconst DecrementWrapStencilOp = 34056;\nconst InvertStencilOp = 5386;\n\nconst NeverStencilFunc = 512;\nconst LessStencilFunc = 513;\nconst EqualStencilFunc = 514;\nconst LessEqualStencilFunc = 515;\nconst GreaterStencilFunc = 516;\nconst NotEqualStencilFunc = 517;\nconst GreaterEqualStencilFunc = 518;\nconst AlwaysStencilFunc = 519;\n\nconst NeverCompare = 512;\nconst LessCompare = 513;\nconst EqualCompare = 514;\nconst LessEqualCompare = 515;\nconst GreaterCompare = 516;\nconst NotEqualCompare = 517;\nconst GreaterEqualCompare = 518;\nconst AlwaysCompare = 519;\n\nconst StaticDrawUsage = 35044;\nconst DynamicDrawUsage = 35048;\nconst StreamDrawUsage = 35040;\nconst StaticReadUsage = 35045;\nconst DynamicReadUsage = 35049;\nconst StreamReadUsage = 35041;\nconst StaticCopyUsage = 35046;\nconst DynamicCopyUsage = 35050;\nconst StreamCopyUsage = 35042;\n\nconst GLSL1 = '100';\nconst GLSL3 = '300 es';\n\nconst WebGLCoordinateSystem = 2000;\nconst WebGPUCoordinateSystem = 2001;\n\nconst TimestampQuery = {\n\tCOMPUTE: 'compute',\n\tRENDER: 'render'\n};\n\n/**\n * https://github.com/mrdoob/eventdispatcher.js/\n */\n\nclass EventDispatcher {\n\n\taddEventListener( type, listener ) {\n\n\t\tif ( this._listeners === undefined ) this._listeners = {};\n\n\t\tconst listeners = this._listeners;\n\n\t\tif ( listeners[ type ] === undefined ) {\n\n\t\t\tlisteners[ type ] = [];\n\n\t\t}\n\n\t\tif ( listeners[ type ].indexOf( listener ) === - 1 ) {\n\n\t\t\tlisteners[ type ].push( listener );\n\n\t\t}\n\n\t}\n\n\thasEventListener( type, listener ) {\n\n\t\tconst listeners = this._listeners;\n\n\t\tif ( listeners === undefined ) return false;\n\n\t\treturn listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1;\n\n\t}\n\n\tremoveEventListener( type, listener ) {\n\n\t\tconst listeners = this._listeners;\n\n\t\tif ( listeners === undefined ) return;\n\n\t\tconst listenerArray = listeners[ type ];\n\n\t\tif ( listenerArray !== undefined ) {\n\n\t\t\tconst index = listenerArray.indexOf( listener );\n\n\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\tlistenerArray.splice( index, 1 );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tdispatchEvent( event ) {\n\n\t\tconst listeners = this._listeners;\n\n\t\tif ( listeners === undefined ) return;\n\n\t\tconst listenerArray = listeners[ event.type ];\n\n\t\tif ( listenerArray !== undefined ) {\n\n\t\t\tevent.target = this;\n\n\t\t\t// Make a copy, in case listeners are removed while iterating.\n\t\t\tconst array = listenerArray.slice( 0 );\n\n\t\t\tfor ( let i = 0, l = array.length; i < l; i ++ ) {\n\n\t\t\t\tarray[ i ].call( this, event );\n\n\t\t\t}\n\n\t\t\tevent.target = null;\n\n\t\t}\n\n\t}\n\n}\n\nconst _lut = [ '00', '01', '02', '03', '04', '05', '06', '07', '08', '09', '0a', '0b', '0c', '0d', '0e', '0f', '10', '11', '12', '13', '14', '15', '16', '17', '18', '19', '1a', '1b', '1c', '1d', '1e', '1f', '20', '21', '22', '23', '24', '25', '26', '27', '28', '29', '2a', '2b', '2c', '2d', '2e', '2f', '30', '31', '32', '33', '34', '35', '36', '37', '38', '39', '3a', '3b', '3c', '3d', '3e', '3f', '40', '41', '42', '43', '44', '45', '46', '47', '48', '49', '4a', '4b', '4c', '4d', '4e', '4f', '50', '51', '52', '53', '54', '55', '56', '57', '58', '59', '5a', '5b', '5c', '5d', '5e', '5f', '60', '61', '62', '63', '64', '65', '66', '67', '68', '69', '6a', '6b', '6c', '6d', '6e', '6f', '70', '71', '72', '73', '74', '75', '76', '77', '78', '79', '7a', '7b', '7c', '7d', '7e', '7f', '80', '81', '82', '83', '84', '85', '86', '87', '88', '89', '8a', '8b', '8c', '8d', '8e', '8f', '90', '91', '92', '93', '94', '95', '96', '97', '98', '99', '9a', '9b', '9c', '9d', '9e', '9f', 'a0', 'a1', 'a2', 'a3', 'a4', 'a5', 'a6', 'a7', 'a8', 'a9', 'aa', 'ab', 'ac', 'ad', 'ae', 'af', 'b0', 'b1', 'b2', 'b3', 'b4', 'b5', 'b6', 'b7', 'b8', 'b9', 'ba', 'bb', 'bc', 'bd', 'be', 'bf', 'c0', 'c1', 'c2', 'c3', 'c4', 'c5', 'c6', 'c7', 'c8', 'c9', 'ca', 'cb', 'cc', 'cd', 'ce', 'cf', 'd0', 'd1', 'd2', 'd3', 'd4', 'd5', 'd6', 'd7', 'd8', 'd9', 'da', 'db', 'dc', 'dd', 'de', 'df', 'e0', 'e1', 'e2', 'e3', 'e4', 'e5', 'e6', 'e7', 'e8', 'e9', 'ea', 'eb', 'ec', 'ed', 'ee', 'ef', 'f0', 'f1', 'f2', 'f3', 'f4', 'f5', 'f6', 'f7', 'f8', 'f9', 'fa', 'fb', 'fc', 'fd', 'fe', 'ff' ];\n\nlet _seed = 1234567;\n\n\nconst DEG2RAD = Math.PI / 180;\nconst RAD2DEG = 180 / Math.PI;\n\n// http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/21963136#21963136\nfunction generateUUID() {\n\n\tconst d0 = Math.random() * 0xffffffff | 0;\n\tconst d1 = Math.random() * 0xffffffff | 0;\n\tconst d2 = Math.random() * 0xffffffff | 0;\n\tconst d3 = Math.random() * 0xffffffff | 0;\n\tconst uuid = _lut[ d0 & 0xff ] + _lut[ d0 >> 8 & 0xff ] + _lut[ d0 >> 16 & 0xff ] + _lut[ d0 >> 24 & 0xff ] + '-' +\n\t\t\t_lut[ d1 & 0xff ] + _lut[ d1 >> 8 & 0xff ] + '-' + _lut[ d1 >> 16 & 0x0f | 0x40 ] + _lut[ d1 >> 24 & 0xff ] + '-' +\n\t\t\t_lut[ d2 & 0x3f | 0x80 ] + _lut[ d2 >> 8 & 0xff ] + '-' + _lut[ d2 >> 16 & 0xff ] + _lut[ d2 >> 24 & 0xff ] +\n\t\t\t_lut[ d3 & 0xff ] + _lut[ d3 >> 8 & 0xff ] + _lut[ d3 >> 16 & 0xff ] + _lut[ d3 >> 24 & 0xff ];\n\n\t// .toLowerCase() here flattens concatenated strings to save heap memory space.\n\treturn uuid.toLowerCase();\n\n}\n\nfunction clamp( value, min, max ) {\n\n\treturn Math.max( min, Math.min( max, value ) );\n\n}\n\n// compute euclidean modulo of m % n\n// https://en.wikipedia.org/wiki/Modulo_operation\nfunction euclideanModulo( n, m ) {\n\n\treturn ( ( n % m ) + m ) % m;\n\n}\n\n// Linear mapping from range to range \nfunction mapLinear( x, a1, a2, b1, b2 ) {\n\n\treturn b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 );\n\n}\n\n// https://www.gamedev.net/tutorials/programming/general-and-gameplay-programming/inverse-lerp-a-super-useful-yet-often-overlooked-function-r5230/\nfunction inverseLerp( x, y, value ) {\n\n\tif ( x !== y ) {\n\n\t\treturn ( value - x ) / ( y - x );\n\n\t} else {\n\n\t\treturn 0;\n\n\t}\n\n}\n\n// https://en.wikipedia.org/wiki/Linear_interpolation\nfunction lerp( x, y, t ) {\n\n\treturn ( 1 - t ) * x + t * y;\n\n}\n\n// http://www.rorydriscoll.com/2016/03/07/frame-rate-independent-damping-using-lerp/\nfunction damp( x, y, lambda, dt ) {\n\n\treturn lerp( x, y, 1 - Math.exp( - lambda * dt ) );\n\n}\n\n// https://www.desmos.com/calculator/vcsjnyz7x4\nfunction pingpong( x, length = 1 ) {\n\n\treturn length - Math.abs( euclideanModulo( x, length * 2 ) - length );\n\n}\n\n// http://en.wikipedia.org/wiki/Smoothstep\nfunction smoothstep( x, min, max ) {\n\n\tif ( x <= min ) return 0;\n\tif ( x >= max ) return 1;\n\n\tx = ( x - min ) / ( max - min );\n\n\treturn x * x * ( 3 - 2 * x );\n\n}\n\nfunction smootherstep( x, min, max ) {\n\n\tif ( x <= min ) return 0;\n\tif ( x >= max ) return 1;\n\n\tx = ( x - min ) / ( max - min );\n\n\treturn x * x * x * ( x * ( x * 6 - 15 ) + 10 );\n\n}\n\n// Random integer from interval\nfunction randInt( low, high ) {\n\n\treturn low + Math.floor( Math.random() * ( high - low + 1 ) );\n\n}\n\n// Random float from interval\nfunction randFloat( low, high ) {\n\n\treturn low + Math.random() * ( high - low );\n\n}\n\n// Random float from <-range/2, range/2> interval\nfunction randFloatSpread( range ) {\n\n\treturn range * ( 0.5 - Math.random() );\n\n}\n\n// Deterministic pseudo-random float in the interval [ 0, 1 ]\nfunction seededRandom( s ) {\n\n\tif ( s !== undefined ) _seed = s;\n\n\t// Mulberry32 generator\n\n\tlet t = _seed += 0x6D2B79F5;\n\n\tt = Math.imul( t ^ t >>> 15, t | 1 );\n\n\tt ^= t + Math.imul( t ^ t >>> 7, t | 61 );\n\n\treturn ( ( t ^ t >>> 14 ) >>> 0 ) / 4294967296;\n\n}\n\nfunction degToRad( degrees ) {\n\n\treturn degrees * DEG2RAD;\n\n}\n\nfunction radToDeg( radians ) {\n\n\treturn radians * RAD2DEG;\n\n}\n\nfunction isPowerOfTwo( value ) {\n\n\treturn ( value & ( value - 1 ) ) === 0 && value !== 0;\n\n}\n\nfunction ceilPowerOfTwo( value ) {\n\n\treturn Math.pow( 2, Math.ceil( Math.log( value ) / Math.LN2 ) );\n\n}\n\nfunction floorPowerOfTwo( value ) {\n\n\treturn Math.pow( 2, Math.floor( Math.log( value ) / Math.LN2 ) );\n\n}\n\nfunction setQuaternionFromProperEuler( q, a, b, c, order ) {\n\n\t// Intrinsic Proper Euler Angles - see https://en.wikipedia.org/wiki/Euler_angles\n\n\t// rotations are applied to the axes in the order specified by 'order'\n\t// rotation by angle 'a' is applied first, then by angle 'b', then by angle 'c'\n\t// angles are in radians\n\n\tconst cos = Math.cos;\n\tconst sin = Math.sin;\n\n\tconst c2 = cos( b / 2 );\n\tconst s2 = sin( b / 2 );\n\n\tconst c13 = cos( ( a + c ) / 2 );\n\tconst s13 = sin( ( a + c ) / 2 );\n\n\tconst c1_3 = cos( ( a - c ) / 2 );\n\tconst s1_3 = sin( ( a - c ) / 2 );\n\n\tconst c3_1 = cos( ( c - a ) / 2 );\n\tconst s3_1 = sin( ( c - a ) / 2 );\n\n\tswitch ( order ) {\n\n\t\tcase 'XYX':\n\t\t\tq.set( c2 * s13, s2 * c1_3, s2 * s1_3, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'YZY':\n\t\t\tq.set( s2 * s1_3, c2 * s13, s2 * c1_3, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'ZXZ':\n\t\t\tq.set( s2 * c1_3, s2 * s1_3, c2 * s13, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'XZX':\n\t\t\tq.set( c2 * s13, s2 * s3_1, s2 * c3_1, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'YXY':\n\t\t\tq.set( s2 * c3_1, c2 * s13, s2 * s3_1, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'ZYZ':\n\t\t\tq.set( s2 * s3_1, s2 * c3_1, c2 * s13, c2 * c13 );\n\t\t\tbreak;\n\n\t\tdefault:\n\t\t\tconsole.warn( 'THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: ' + order );\n\n\t}\n\n}\n\nfunction denormalize( value, array ) {\n\n\tswitch ( array.constructor ) {\n\n\t\tcase Float32Array:\n\n\t\t\treturn value;\n\n\t\tcase Uint32Array:\n\n\t\t\treturn value / 4294967295.0;\n\n\t\tcase Uint16Array:\n\n\t\t\treturn value / 65535.0;\n\n\t\tcase Uint8Array:\n\n\t\t\treturn value / 255.0;\n\n\t\tcase Int32Array:\n\n\t\t\treturn Math.max( value / 2147483647.0, - 1.0 );\n\n\t\tcase Int16Array:\n\n\t\t\treturn Math.max( value / 32767.0, - 1.0 );\n\n\t\tcase Int8Array:\n\n\t\t\treturn Math.max( value / 127.0, - 1.0 );\n\n\t\tdefault:\n\n\t\t\tthrow new Error( 'Invalid component type.' );\n\n\t}\n\n}\n\nfunction normalize( value, array ) {\n\n\tswitch ( array.constructor ) {\n\n\t\tcase Float32Array:\n\n\t\t\treturn value;\n\n\t\tcase Uint32Array:\n\n\t\t\treturn Math.round( value * 4294967295.0 );\n\n\t\tcase Uint16Array:\n\n\t\t\treturn Math.round( value * 65535.0 );\n\n\t\tcase Uint8Array:\n\n\t\t\treturn Math.round( value * 255.0 );\n\n\t\tcase Int32Array:\n\n\t\t\treturn Math.round( value * 2147483647.0 );\n\n\t\tcase Int16Array:\n\n\t\t\treturn Math.round( value * 32767.0 );\n\n\t\tcase Int8Array:\n\n\t\t\treturn Math.round( value * 127.0 );\n\n\t\tdefault:\n\n\t\t\tthrow new Error( 'Invalid component type.' );\n\n\t}\n\n}\n\nconst MathUtils = {\n\tDEG2RAD: DEG2RAD,\n\tRAD2DEG: RAD2DEG,\n\tgenerateUUID: generateUUID,\n\tclamp: clamp,\n\teuclideanModulo: euclideanModulo,\n\tmapLinear: mapLinear,\n\tinverseLerp: inverseLerp,\n\tlerp: lerp,\n\tdamp: damp,\n\tpingpong: pingpong,\n\tsmoothstep: smoothstep,\n\tsmootherstep: smootherstep,\n\trandInt: randInt,\n\trandFloat: randFloat,\n\trandFloatSpread: randFloatSpread,\n\tseededRandom: seededRandom,\n\tdegToRad: degToRad,\n\tradToDeg: radToDeg,\n\tisPowerOfTwo: isPowerOfTwo,\n\tceilPowerOfTwo: ceilPowerOfTwo,\n\tfloorPowerOfTwo: floorPowerOfTwo,\n\tsetQuaternionFromProperEuler: setQuaternionFromProperEuler,\n\tnormalize: normalize,\n\tdenormalize: denormalize\n};\n\nclass Vector2 {\n\n\tconstructor( x = 0, y = 0 ) {\n\n\t\tVector2.prototype.isVector2 = true;\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\n\t}\n\n\tget width() {\n\n\t\treturn this.x;\n\n\t}\n\n\tset width( value ) {\n\n\t\tthis.x = value;\n\n\t}\n\n\tget height() {\n\n\t\treturn this.y;\n\n\t}\n\n\tset height( value ) {\n\n\t\tthis.y = value;\n\n\t}\n\n\tset( x, y ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y );\n\n\t}\n\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\n\t\treturn this;\n\n\t}\n\n\tadd( v ) {\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\n\t\treturn this;\n\n\t}\n\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\n\t\treturn this;\n\n\t}\n\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( v ) {\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\n\t\treturn this;\n\n\t}\n\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\n\t\treturn this;\n\n\t}\n\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( v ) {\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\tdivide( v ) {\n\n\t\tthis.x /= v.x;\n\t\tthis.y /= v.y;\n\n\t\treturn this;\n\n\t}\n\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tconst x = this.x, y = this.y;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ];\n\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ];\n\n\t\treturn this;\n\n\t}\n\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\n\t\treturn this;\n\n\t}\n\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\n\t\treturn this;\n\n\t}\n\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = clamp( this.x, min.x, max.x );\n\t\tthis.y = clamp( this.y, min.y, max.y );\n\n\t\treturn this;\n\n\t}\n\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = clamp( this.x, minVal, maxVal );\n\t\tthis.y = clamp( this.y, minVal, maxVal );\n\n\t\treturn this;\n\n\t}\n\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( clamp( length, min, max ) );\n\n\t}\n\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\n\t\treturn this;\n\n\t}\n\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\n\t\treturn this;\n\n\t}\n\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\n\t\treturn this;\n\n\t}\n\n\troundToZero() {\n\n\t\tthis.x = Math.trunc( this.x );\n\t\tthis.y = Math.trunc( this.y );\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y;\n\n\t}\n\n\tcross( v ) {\n\n\t\treturn this.x * v.y - this.y * v.x;\n\n\t}\n\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y );\n\n\t}\n\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y );\n\n\t}\n\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\tangle() {\n\n\t\t// computes the angle in radians with respect to the positive x-axis\n\n\t\tconst angle = Math.atan2( - this.y, - this.x ) + Math.PI;\n\n\t\treturn angle;\n\n\t}\n\n\tangleTo( v ) {\n\n\t\tconst denominator = Math.sqrt( this.lengthSq() * v.lengthSq() );\n\n\t\tif ( denominator === 0 ) return Math.PI / 2;\n\n\t\tconst theta = this.dot( v ) / denominator;\n\n\t\t// clamp, to handle numerical problems\n\n\t\treturn Math.acos( clamp( theta, - 1, 1 ) );\n\n\t}\n\n\tdistanceTo( v ) {\n\n\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t}\n\n\tdistanceToSquared( v ) {\n\n\t\tconst dx = this.x - v.x, dy = this.y - v.y;\n\t\treturn dx * dx + dy * dy;\n\n\t}\n\n\tmanhattanDistanceTo( v ) {\n\n\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y );\n\n\t}\n\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\n\t\treturn this;\n\n\t}\n\n\trotateAround( center, angle ) {\n\n\t\tconst c = Math.cos( angle ), s = Math.sin( angle );\n\n\t\tconst x = this.x - center.x;\n\t\tconst y = this.y - center.y;\n\n\t\tthis.x = x * c - y * s + center.x;\n\t\tthis.y = x * s + y * c + center.y;\n\n\t\treturn this;\n\n\t}\n\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\n\t\treturn this;\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.x;\n\t\tyield this.y;\n\n\t}\n\n}\n\nclass Matrix3 {\n\n\tconstructor( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) {\n\n\t\tMatrix3.prototype.isMatrix3 = true;\n\n\t\tthis.elements = [\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t];\n\n\t\tif ( n11 !== undefined ) {\n\n\t\t\tthis.set( n11, n12, n13, n21, n22, n23, n31, n32, n33 );\n\n\t\t}\n\n\t}\n\n\tset( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31;\n\t\tte[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32;\n\t\tte[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33;\n\n\t\treturn this;\n\n\t}\n\n\tidentity() {\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tcopy( m ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tte[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ];\n\t\tte[ 3 ] = me[ 3 ]; te[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ];\n\t\tte[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ]; te[ 8 ] = me[ 8 ];\n\n\t\treturn this;\n\n\t}\n\n\textractBasis( xAxis, yAxis, zAxis ) {\n\n\t\txAxis.setFromMatrix3Column( this, 0 );\n\t\tyAxis.setFromMatrix3Column( this, 1 );\n\t\tzAxis.setFromMatrix3Column( this, 2 );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrix4( m ) {\n\n\t\tconst me = m.elements;\n\n\t\tthis.set(\n\n\t\t\tme[ 0 ], me[ 4 ], me[ 8 ],\n\t\t\tme[ 1 ], me[ 5 ], me[ 9 ],\n\t\t\tme[ 2 ], me[ 6 ], me[ 10 ]\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( m ) {\n\n\t\treturn this.multiplyMatrices( this, m );\n\n\t}\n\n\tpremultiply( m ) {\n\n\t\treturn this.multiplyMatrices( m, this );\n\n\t}\n\n\tmultiplyMatrices( a, b ) {\n\n\t\tconst ae = a.elements;\n\t\tconst be = b.elements;\n\t\tconst te = this.elements;\n\n\t\tconst a11 = ae[ 0 ], a12 = ae[ 3 ], a13 = ae[ 6 ];\n\t\tconst a21 = ae[ 1 ], a22 = ae[ 4 ], a23 = ae[ 7 ];\n\t\tconst a31 = ae[ 2 ], a32 = ae[ 5 ], a33 = ae[ 8 ];\n\n\t\tconst b11 = be[ 0 ], b12 = be[ 3 ], b13 = be[ 6 ];\n\t\tconst b21 = be[ 1 ], b22 = be[ 4 ], b23 = be[ 7 ];\n\t\tconst b31 = be[ 2 ], b32 = be[ 5 ], b33 = be[ 8 ];\n\n\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31;\n\t\tte[ 3 ] = a11 * b12 + a12 * b22 + a13 * b32;\n\t\tte[ 6 ] = a11 * b13 + a12 * b23 + a13 * b33;\n\n\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31;\n\t\tte[ 4 ] = a21 * b12 + a22 * b22 + a23 * b32;\n\t\tte[ 7 ] = a21 * b13 + a22 * b23 + a23 * b33;\n\n\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31;\n\t\tte[ 5 ] = a31 * b12 + a32 * b22 + a33 * b32;\n\t\tte[ 8 ] = a31 * b13 + a32 * b23 + a33 * b33;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( s ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s;\n\t\tte[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s;\n\t\tte[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s;\n\n\t\treturn this;\n\n\t}\n\n\tdeterminant() {\n\n\t\tconst te = this.elements;\n\n\t\tconst a = te[ 0 ], b = te[ 1 ], c = te[ 2 ],\n\t\t\td = te[ 3 ], e = te[ 4 ], f = te[ 5 ],\n\t\t\tg = te[ 6 ], h = te[ 7 ], i = te[ 8 ];\n\n\t\treturn a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g;\n\n\t}\n\n\tinvert() {\n\n\t\tconst te = this.elements,\n\n\t\t\tn11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ],\n\t\t\tn12 = te[ 3 ], n22 = te[ 4 ], n32 = te[ 5 ],\n\t\t\tn13 = te[ 6 ], n23 = te[ 7 ], n33 = te[ 8 ],\n\n\t\t\tt11 = n33 * n22 - n32 * n23,\n\t\t\tt12 = n32 * n13 - n33 * n12,\n\t\t\tt13 = n23 * n12 - n22 * n13,\n\n\t\t\tdet = n11 * t11 + n21 * t12 + n31 * t13;\n\n\t\tif ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0 );\n\n\t\tconst detInv = 1 / det;\n\n\t\tte[ 0 ] = t11 * detInv;\n\t\tte[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv;\n\t\tte[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv;\n\n\t\tte[ 3 ] = t12 * detInv;\n\t\tte[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv;\n\t\tte[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv;\n\n\t\tte[ 6 ] = t13 * detInv;\n\t\tte[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv;\n\t\tte[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv;\n\n\t\treturn this;\n\n\t}\n\n\ttranspose() {\n\n\t\tlet tmp;\n\t\tconst m = this.elements;\n\n\t\ttmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp;\n\t\ttmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp;\n\t\ttmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp;\n\n\t\treturn this;\n\n\t}\n\n\tgetNormalMatrix( matrix4 ) {\n\n\t\treturn this.setFromMatrix4( matrix4 ).invert().transpose();\n\n\t}\n\n\ttransposeIntoArray( r ) {\n\n\t\tconst m = this.elements;\n\n\t\tr[ 0 ] = m[ 0 ];\n\t\tr[ 1 ] = m[ 3 ];\n\t\tr[ 2 ] = m[ 6 ];\n\t\tr[ 3 ] = m[ 1 ];\n\t\tr[ 4 ] = m[ 4 ];\n\t\tr[ 5 ] = m[ 7 ];\n\t\tr[ 6 ] = m[ 2 ];\n\t\tr[ 7 ] = m[ 5 ];\n\t\tr[ 8 ] = m[ 8 ];\n\n\t\treturn this;\n\n\t}\n\n\tsetUvTransform( tx, ty, sx, sy, rotation, cx, cy ) {\n\n\t\tconst c = Math.cos( rotation );\n\t\tconst s = Math.sin( rotation );\n\n\t\tthis.set(\n\t\t\tsx * c, sx * s, - sx * ( c * cx + s * cy ) + cx + tx,\n\t\t\t- sy * s, sy * c, - sy * ( - s * cx + c * cy ) + cy + ty,\n\t\t\t0, 0, 1\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\t//\n\n\tscale( sx, sy ) {\n\n\t\tthis.premultiply( _m3.makeScale( sx, sy ) );\n\n\t\treturn this;\n\n\t}\n\n\trotate( theta ) {\n\n\t\tthis.premultiply( _m3.makeRotation( - theta ) );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( tx, ty ) {\n\n\t\tthis.premultiply( _m3.makeTranslation( tx, ty ) );\n\n\t\treturn this;\n\n\t}\n\n\t// for 2D Transforms\n\n\tmakeTranslation( x, y ) {\n\n\t\tif ( x.isVector2 ) {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, x.x,\n\t\t\t\t0, 1, x.y,\n\t\t\t\t0, 0, 1\n\n\t\t\t);\n\n\t\t} else {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, x,\n\t\t\t\t0, 1, y,\n\t\t\t\t0, 0, 1\n\n\t\t\t);\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotation( theta ) {\n\n\t\t// counterclockwise\n\n\t\tconst c = Math.cos( theta );\n\t\tconst s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\tc, - s, 0,\n\t\t\ts, c, 0,\n\t\t\t0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeScale( x, y ) {\n\n\t\tthis.set(\n\n\t\t\tx, 0, 0,\n\t\t\t0, y, 0,\n\t\t\t0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\t//\n\n\tequals( matrix ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = matrix.elements;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst te = this.elements;\n\n\t\tarray[ offset ] = te[ 0 ];\n\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\tarray[ offset + 2 ] = te[ 2 ];\n\n\t\tarray[ offset + 3 ] = te[ 3 ];\n\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\tarray[ offset + 5 ] = te[ 5 ];\n\n\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\tarray[ offset + 7 ] = te[ 7 ];\n\t\tarray[ offset + 8 ] = te[ 8 ];\n\n\t\treturn array;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().fromArray( this.elements );\n\n\t}\n\n}\n\nconst _m3 = /*@__PURE__*/ new Matrix3();\n\nfunction arrayNeedsUint32( array ) {\n\n\t// assumes larger values usually on last\n\n\tfor ( let i = array.length - 1; i >= 0; -- i ) {\n\n\t\tif ( array[ i ] >= 65535 ) return true; // account for PRIMITIVE_RESTART_FIXED_INDEX, #24565\n\n\t}\n\n\treturn false;\n\n}\n\nconst TYPED_ARRAYS = {\n\tInt8Array: Int8Array,\n\tUint8Array: Uint8Array,\n\tUint8ClampedArray: Uint8ClampedArray,\n\tInt16Array: Int16Array,\n\tUint16Array: Uint16Array,\n\tInt32Array: Int32Array,\n\tUint32Array: Uint32Array,\n\tFloat32Array: Float32Array,\n\tFloat64Array: Float64Array\n};\n\nfunction getTypedArray( type, buffer ) {\n\n\treturn new TYPED_ARRAYS[ type ]( buffer );\n\n}\n\nfunction createElementNS( name ) {\n\n\treturn document.createElementNS( 'http://www.w3.org/1999/xhtml', name );\n\n}\n\nfunction createCanvasElement() {\n\n\tconst canvas = createElementNS( 'canvas' );\n\tcanvas.style.display = 'block';\n\treturn canvas;\n\n}\n\nconst _cache = {};\n\nfunction warnOnce( message ) {\n\n\tif ( message in _cache ) return;\n\n\t_cache[ message ] = true;\n\n\tconsole.warn( message );\n\n}\n\nfunction probeAsync( gl, sync, interval ) {\n\n\treturn new Promise( function ( resolve, reject ) {\n\n\t\tfunction probe() {\n\n\t\t\tswitch ( gl.clientWaitSync( sync, gl.SYNC_FLUSH_COMMANDS_BIT, 0 ) ) {\n\n\t\t\t\tcase gl.WAIT_FAILED:\n\t\t\t\t\treject();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase gl.TIMEOUT_EXPIRED:\n\t\t\t\t\tsetTimeout( probe, interval );\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\t\t\t\t\tresolve();\n\n\t\t\t}\n\n\t\t}\n\n\t\tsetTimeout( probe, interval );\n\n\t} );\n\n}\n\nfunction toNormalizedProjectionMatrix( projectionMatrix ) {\n\n\tconst m = projectionMatrix.elements;\n\n\t// Convert [-1, 1] to [0, 1] projection matrix\n\tm[ 2 ] = 0.5 * m[ 2 ] + 0.5 * m[ 3 ];\n\tm[ 6 ] = 0.5 * m[ 6 ] + 0.5 * m[ 7 ];\n\tm[ 10 ] = 0.5 * m[ 10 ] + 0.5 * m[ 11 ];\n\tm[ 14 ] = 0.5 * m[ 14 ] + 0.5 * m[ 15 ];\n\n}\n\nfunction toReversedProjectionMatrix( projectionMatrix ) {\n\n\tconst m = projectionMatrix.elements;\n\tconst isPerspectiveMatrix = m[ 11 ] === - 1;\n\n\t// Reverse [0, 1] projection matrix\n\tif ( isPerspectiveMatrix ) {\n\n\t\tm[ 10 ] = - m[ 10 ] - 1;\n\t\tm[ 14 ] = - m[ 14 ];\n\n\t} else {\n\n\t\tm[ 10 ] = - m[ 10 ];\n\t\tm[ 14 ] = - m[ 14 ] + 1;\n\n\t}\n\n}\n\nconst LINEAR_REC709_TO_XYZ = /*@__PURE__*/ new Matrix3().set(\n\t0.4123908, 0.3575843, 0.1804808,\n\t0.2126390, 0.7151687, 0.0721923,\n\t0.0193308, 0.1191948, 0.9505322\n);\n\nconst XYZ_TO_LINEAR_REC709 = /*@__PURE__*/ new Matrix3().set(\n\t3.2409699, - 1.5373832, - 0.4986108,\n\t- 0.9692436, 1.8759675, 0.0415551,\n\t0.0556301, - 0.2039770, 1.0569715\n);\n\nfunction createColorManagement() {\n\n\tconst ColorManagement = {\n\n\t\tenabled: true,\n\n\t\tworkingColorSpace: LinearSRGBColorSpace,\n\n\t\t/**\n\t\t * Implementations of supported color spaces.\n\t\t *\n\t\t * Required:\n\t\t *\t- primaries: chromaticity coordinates [ rx ry gx gy bx by ]\n\t\t *\t- whitePoint: reference white [ x y ]\n\t\t *\t- transfer: transfer function (pre-defined)\n\t\t *\t- toXYZ: Matrix3 RGB to XYZ transform\n\t\t *\t- fromXYZ: Matrix3 XYZ to RGB transform\n\t\t *\t- luminanceCoefficients: RGB luminance coefficients\n\t\t *\n\t\t * Optional:\n\t\t * - outputColorSpaceConfig: { drawingBufferColorSpace: ColorSpace }\n\t\t * - workingColorSpaceConfig: { unpackColorSpace: ColorSpace }\n\t\t *\n\t\t * Reference:\n\t\t * - https://www.russellcottrell.com/photo/matrixCalculator.htm\n\t\t */\n\t\tspaces: {},\n\n\t\tconvert: function ( color, sourceColorSpace, targetColorSpace ) {\n\n\t\t\tif ( this.enabled === false || sourceColorSpace === targetColorSpace || ! sourceColorSpace || ! targetColorSpace ) {\n\n\t\t\t\treturn color;\n\n\t\t\t}\n\n\t\t\tif ( this.spaces[ sourceColorSpace ].transfer === SRGBTransfer ) {\n\n\t\t\t\tcolor.r = SRGBToLinear( color.r );\n\t\t\t\tcolor.g = SRGBToLinear( color.g );\n\t\t\t\tcolor.b = SRGBToLinear( color.b );\n\n\t\t\t}\n\n\t\t\tif ( this.spaces[ sourceColorSpace ].primaries !== this.spaces[ targetColorSpace ].primaries ) {\n\n\t\t\t\tcolor.applyMatrix3( this.spaces[ sourceColorSpace ].toXYZ );\n\t\t\t\tcolor.applyMatrix3( this.spaces[ targetColorSpace ].fromXYZ );\n\n\t\t\t}\n\n\t\t\tif ( this.spaces[ targetColorSpace ].transfer === SRGBTransfer ) {\n\n\t\t\t\tcolor.r = LinearToSRGB( color.r );\n\t\t\t\tcolor.g = LinearToSRGB( color.g );\n\t\t\t\tcolor.b = LinearToSRGB( color.b );\n\n\t\t\t}\n\n\t\t\treturn color;\n\n\t\t},\n\n\t\tfromWorkingColorSpace: function ( color, targetColorSpace ) {\n\n\t\t\treturn this.convert( color, this.workingColorSpace, targetColorSpace );\n\n\t\t},\n\n\t\ttoWorkingColorSpace: function ( color, sourceColorSpace ) {\n\n\t\t\treturn this.convert( color, sourceColorSpace, this.workingColorSpace );\n\n\t\t},\n\n\t\tgetPrimaries: function ( colorSpace ) {\n\n\t\t\treturn this.spaces[ colorSpace ].primaries;\n\n\t\t},\n\n\t\tgetTransfer: function ( colorSpace ) {\n\n\t\t\tif ( colorSpace === NoColorSpace ) return LinearTransfer;\n\n\t\t\treturn this.spaces[ colorSpace ].transfer;\n\n\t\t},\n\n\t\tgetLuminanceCoefficients: function ( target, colorSpace = this.workingColorSpace ) {\n\n\t\t\treturn target.fromArray( this.spaces[ colorSpace ].luminanceCoefficients );\n\n\t\t},\n\n\t\tdefine: function ( colorSpaces ) {\n\n\t\t\tObject.assign( this.spaces, colorSpaces );\n\n\t\t},\n\n\t\t// Internal APIs\n\n\t\t_getMatrix: function ( targetMatrix, sourceColorSpace, targetColorSpace ) {\n\n\t\t\treturn targetMatrix\n\t\t\t\t.copy( this.spaces[ sourceColorSpace ].toXYZ )\n\t\t\t\t.multiply( this.spaces[ targetColorSpace ].fromXYZ );\n\n\t\t},\n\n\t\t_getDrawingBufferColorSpace: function ( colorSpace ) {\n\n\t\t\treturn this.spaces[ colorSpace ].outputColorSpaceConfig.drawingBufferColorSpace;\n\n\t\t},\n\n\t\t_getUnpackColorSpace: function ( colorSpace = this.workingColorSpace ) {\n\n\t\t\treturn this.spaces[ colorSpace ].workingColorSpaceConfig.unpackColorSpace;\n\n\t\t}\n\n\t};\n\n\t/******************************************************************************\n\t * sRGB definitions\n\t */\n\n\tconst REC709_PRIMARIES = [ 0.640, 0.330, 0.300, 0.600, 0.150, 0.060 ];\n\tconst REC709_LUMINANCE_COEFFICIENTS = [ 0.2126, 0.7152, 0.0722 ];\n\tconst D65 = [ 0.3127, 0.3290 ];\n\n\tColorManagement.define( {\n\n\t\t[ LinearSRGBColorSpace ]: {\n\t\t\tprimaries: REC709_PRIMARIES,\n\t\t\twhitePoint: D65,\n\t\t\ttransfer: LinearTransfer,\n\t\t\ttoXYZ: LINEAR_REC709_TO_XYZ,\n\t\t\tfromXYZ: XYZ_TO_LINEAR_REC709,\n\t\t\tluminanceCoefficients: REC709_LUMINANCE_COEFFICIENTS,\n\t\t\tworkingColorSpaceConfig: { unpackColorSpace: SRGBColorSpace },\n\t\t\toutputColorSpaceConfig: { drawingBufferColorSpace: SRGBColorSpace }\n\t\t},\n\n\t\t[ SRGBColorSpace ]: {\n\t\t\tprimaries: REC709_PRIMARIES,\n\t\t\twhitePoint: D65,\n\t\t\ttransfer: SRGBTransfer,\n\t\t\ttoXYZ: LINEAR_REC709_TO_XYZ,\n\t\t\tfromXYZ: XYZ_TO_LINEAR_REC709,\n\t\t\tluminanceCoefficients: REC709_LUMINANCE_COEFFICIENTS,\n\t\t\toutputColorSpaceConfig: { drawingBufferColorSpace: SRGBColorSpace }\n\t\t},\n\n\t} );\n\n\treturn ColorManagement;\n\n}\n\nconst ColorManagement = /*@__PURE__*/ createColorManagement();\n\nfunction SRGBToLinear( c ) {\n\n\treturn ( c < 0.04045 ) ? c * 0.0773993808 : Math.pow( c * 0.9478672986 + 0.0521327014, 2.4 );\n\n}\n\nfunction LinearToSRGB( c ) {\n\n\treturn ( c < 0.0031308 ) ? c * 12.92 : 1.055 * ( Math.pow( c, 0.41666 ) ) - 0.055;\n\n}\n\nlet _canvas;\n\nclass ImageUtils {\n\n\tstatic getDataURL( image ) {\n\n\t\tif ( /^data:/i.test( image.src ) ) {\n\n\t\t\treturn image.src;\n\n\t\t}\n\n\t\tif ( typeof HTMLCanvasElement === 'undefined' ) {\n\n\t\t\treturn image.src;\n\n\t\t}\n\n\t\tlet canvas;\n\n\t\tif ( image instanceof HTMLCanvasElement ) {\n\n\t\t\tcanvas = image;\n\n\t\t} else {\n\n\t\t\tif ( _canvas === undefined ) _canvas = createElementNS( 'canvas' );\n\n\t\t\t_canvas.width = image.width;\n\t\t\t_canvas.height = image.height;\n\n\t\t\tconst context = _canvas.getContext( '2d' );\n\n\t\t\tif ( image instanceof ImageData ) {\n\n\t\t\t\tcontext.putImageData( image, 0, 0 );\n\n\t\t\t} else {\n\n\t\t\t\tcontext.drawImage( image, 0, 0, image.width, image.height );\n\n\t\t\t}\n\n\t\t\tcanvas = _canvas;\n\n\t\t}\n\n\t\treturn canvas.toDataURL( 'image/png' );\n\n\t}\n\n\tstatic sRGBToLinear( image ) {\n\n\t\tif ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) ||\n\t\t\t( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) ||\n\t\t\t( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) {\n\n\t\t\tconst canvas = createElementNS( 'canvas' );\n\n\t\t\tcanvas.width = image.width;\n\t\t\tcanvas.height = image.height;\n\n\t\t\tconst context = canvas.getContext( '2d' );\n\t\t\tcontext.drawImage( image, 0, 0, image.width, image.height );\n\n\t\t\tconst imageData = context.getImageData( 0, 0, image.width, image.height );\n\t\t\tconst data = imageData.data;\n\n\t\t\tfor ( let i = 0; i < data.length; i ++ ) {\n\n\t\t\t\tdata[ i ] = SRGBToLinear( data[ i ] / 255 ) * 255;\n\n\t\t\t}\n\n\t\t\tcontext.putImageData( imageData, 0, 0 );\n\n\t\t\treturn canvas;\n\n\t\t} else if ( image.data ) {\n\n\t\t\tconst data = image.data.slice( 0 );\n\n\t\t\tfor ( let i = 0; i < data.length; i ++ ) {\n\n\t\t\t\tif ( data instanceof Uint8Array || data instanceof Uint8ClampedArray ) {\n\n\t\t\t\t\tdata[ i ] = Math.floor( SRGBToLinear( data[ i ] / 255 ) * 255 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// assuming float\n\n\t\t\t\t\tdata[ i ] = SRGBToLinear( data[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\tdata: data,\n\t\t\t\twidth: image.width,\n\t\t\t\theight: image.height\n\t\t\t};\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied.' );\n\t\t\treturn image;\n\n\t\t}\n\n\t}\n\n}\n\nlet _sourceId = 0;\n\nclass Source {\n\n\tconstructor( data = null ) {\n\n\t\tthis.isSource = true;\n\n\t\tObject.defineProperty( this, 'id', { value: _sourceId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.data = data;\n\t\tthis.dataReady = true;\n\n\t\tthis.version = 0;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tif ( ! isRootObject && meta.images[ this.uuid ] !== undefined ) {\n\n\t\t\treturn meta.images[ this.uuid ];\n\n\t\t}\n\n\t\tconst output = {\n\t\t\tuuid: this.uuid,\n\t\t\turl: ''\n\t\t};\n\n\t\tconst data = this.data;\n\n\t\tif ( data !== null ) {\n\n\t\t\tlet url;\n\n\t\t\tif ( Array.isArray( data ) ) {\n\n\t\t\t\t// cube texture\n\n\t\t\t\turl = [];\n\n\t\t\t\tfor ( let i = 0, l = data.length; i < l; i ++ ) {\n\n\t\t\t\t\tif ( data[ i ].isDataTexture ) {\n\n\t\t\t\t\t\turl.push( serializeImage( data[ i ].image ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\turl.push( serializeImage( data[ i ] ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// texture\n\n\t\t\t\turl = serializeImage( data );\n\n\t\t\t}\n\n\t\t\toutput.url = url;\n\n\t\t}\n\n\t\tif ( ! isRootObject ) {\n\n\t\t\tmeta.images[ this.uuid ] = output;\n\n\t\t}\n\n\t\treturn output;\n\n\t}\n\n}\n\nfunction serializeImage( image ) {\n\n\tif ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) ||\n\t\t( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) ||\n\t\t( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) {\n\n\t\t// default images\n\n\t\treturn ImageUtils.getDataURL( image );\n\n\t} else {\n\n\t\tif ( image.data ) {\n\n\t\t\t// images of DataTexture\n\n\t\t\treturn {\n\t\t\t\tdata: Array.from( image.data ),\n\t\t\t\twidth: image.width,\n\t\t\t\theight: image.height,\n\t\t\t\ttype: image.data.constructor.name\n\t\t\t};\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.Texture: Unable to serialize Texture.' );\n\t\t\treturn {};\n\n\t\t}\n\n\t}\n\n}\n\nlet _textureId = 0;\n\nclass Texture extends EventDispatcher {\n\n\tconstructor( image = Texture.DEFAULT_IMAGE, mapping = Texture.DEFAULT_MAPPING, wrapS = ClampToEdgeWrapping, wrapT = ClampToEdgeWrapping, magFilter = LinearFilter, minFilter = LinearMipmapLinearFilter, format = RGBAFormat, type = UnsignedByteType, anisotropy = Texture.DEFAULT_ANISOTROPY, colorSpace = NoColorSpace ) {\n\n\t\tsuper();\n\n\t\tthis.isTexture = true;\n\n\t\tObject.defineProperty( this, 'id', { value: _textureId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\n\t\tthis.source = new Source( image );\n\t\tthis.mipmaps = [];\n\n\t\tthis.mapping = mapping;\n\t\tthis.channel = 0;\n\n\t\tthis.wrapS = wrapS;\n\t\tthis.wrapT = wrapT;\n\n\t\tthis.magFilter = magFilter;\n\t\tthis.minFilter = minFilter;\n\n\t\tthis.anisotropy = anisotropy;\n\n\t\tthis.format = format;\n\t\tthis.internalFormat = null;\n\t\tthis.type = type;\n\n\t\tthis.offset = new Vector2( 0, 0 );\n\t\tthis.repeat = new Vector2( 1, 1 );\n\t\tthis.center = new Vector2( 0, 0 );\n\t\tthis.rotation = 0;\n\n\t\tthis.matrixAutoUpdate = true;\n\t\tthis.matrix = new Matrix3();\n\n\t\tthis.generateMipmaps = true;\n\t\tthis.premultiplyAlpha = false;\n\t\tthis.flipY = true;\n\t\tthis.unpackAlignment = 4;\t// valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml)\n\n\t\tthis.colorSpace = colorSpace;\n\n\t\tthis.userData = {};\n\n\t\tthis.version = 0;\n\t\tthis.onUpdate = null;\n\n\t\tthis.renderTarget = null; // assign texture to a render target\n\t\tthis.isRenderTargetTexture = false; // indicates whether a texture belongs to a render target or not\n\t\tthis.pmremVersion = 0; // indicates whether this texture should be processed by PMREMGenerator or not (only relevant for render target textures)\n\n\t}\n\n\tget image() {\n\n\t\treturn this.source.data;\n\n\t}\n\n\tset image( value = null ) {\n\n\t\tthis.source.data = value;\n\n\t}\n\n\tupdateMatrix() {\n\n\t\tthis.matrix.setUvTransform( this.offset.x, this.offset.y, this.repeat.x, this.repeat.y, this.rotation, this.center.x, this.center.y );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.source = source.source;\n\t\tthis.mipmaps = source.mipmaps.slice( 0 );\n\n\t\tthis.mapping = source.mapping;\n\t\tthis.channel = source.channel;\n\n\t\tthis.wrapS = source.wrapS;\n\t\tthis.wrapT = source.wrapT;\n\n\t\tthis.magFilter = source.magFilter;\n\t\tthis.minFilter = source.minFilter;\n\n\t\tthis.anisotropy = source.anisotropy;\n\n\t\tthis.format = source.format;\n\t\tthis.internalFormat = source.internalFormat;\n\t\tthis.type = source.type;\n\n\t\tthis.offset.copy( source.offset );\n\t\tthis.repeat.copy( source.repeat );\n\t\tthis.center.copy( source.center );\n\t\tthis.rotation = source.rotation;\n\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\t\tthis.matrix.copy( source.matrix );\n\n\t\tthis.generateMipmaps = source.generateMipmaps;\n\t\tthis.premultiplyAlpha = source.premultiplyAlpha;\n\t\tthis.flipY = source.flipY;\n\t\tthis.unpackAlignment = source.unpackAlignment;\n\t\tthis.colorSpace = source.colorSpace;\n\n\t\tthis.renderTarget = source.renderTarget;\n\t\tthis.isRenderTargetTexture = source.isRenderTargetTexture;\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\tthis.needsUpdate = true;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tif ( ! isRootObject && meta.textures[ this.uuid ] !== undefined ) {\n\n\t\t\treturn meta.textures[ this.uuid ];\n\n\t\t}\n\n\t\tconst output = {\n\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.6,\n\t\t\t\ttype: 'Texture',\n\t\t\t\tgenerator: 'Texture.toJSON'\n\t\t\t},\n\n\t\t\tuuid: this.uuid,\n\t\t\tname: this.name,\n\n\t\t\timage: this.source.toJSON( meta ).uuid,\n\n\t\t\tmapping: this.mapping,\n\t\t\tchannel: this.channel,\n\n\t\t\trepeat: [ this.repeat.x, this.repeat.y ],\n\t\t\toffset: [ this.offset.x, this.offset.y ],\n\t\t\tcenter: [ this.center.x, this.center.y ],\n\t\t\trotation: this.rotation,\n\n\t\t\twrap: [ this.wrapS, this.wrapT ],\n\n\t\t\tformat: this.format,\n\t\t\tinternalFormat: this.internalFormat,\n\t\t\ttype: this.type,\n\t\t\tcolorSpace: this.colorSpace,\n\n\t\t\tminFilter: this.minFilter,\n\t\t\tmagFilter: this.magFilter,\n\t\t\tanisotropy: this.anisotropy,\n\n\t\t\tflipY: this.flipY,\n\n\t\t\tgenerateMipmaps: this.generateMipmaps,\n\t\t\tpremultiplyAlpha: this.premultiplyAlpha,\n\t\t\tunpackAlignment: this.unpackAlignment\n\n\t\t};\n\n\t\tif ( Object.keys( this.userData ).length > 0 ) output.userData = this.userData;\n\n\t\tif ( ! isRootObject ) {\n\n\t\t\tmeta.textures[ this.uuid ] = output;\n\n\t\t}\n\n\t\treturn output;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n\ttransformUv( uv ) {\n\n\t\tif ( this.mapping !== UVMapping ) return uv;\n\n\t\tuv.applyMatrix3( this.matrix );\n\n\t\tif ( uv.x < 0 || uv.x > 1 ) {\n\n\t\t\tswitch ( this.wrapS ) {\n\n\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\tuv.x = uv.x < 0 ? 0 : 1;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\tif ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\tuv.x = Math.ceil( uv.x ) - uv.x;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( uv.y < 0 || uv.y > 1 ) {\n\n\t\t\tswitch ( this.wrapT ) {\n\n\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\tuv.y = uv.y < 0 ? 0 : 1;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\tif ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\tuv.y = Math.ceil( uv.y ) - uv.y;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.flipY ) {\n\n\t\t\tuv.y = 1 - uv.y;\n\n\t\t}\n\n\t\treturn uv;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) {\n\n\t\t\tthis.version ++;\n\t\t\tthis.source.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n\tset needsPMREMUpdate( value ) {\n\n\t\tif ( value === true ) {\n\n\t\t\tthis.pmremVersion ++;\n\n\t\t}\n\n\t}\n\n}\n\nTexture.DEFAULT_IMAGE = null;\nTexture.DEFAULT_MAPPING = UVMapping;\nTexture.DEFAULT_ANISOTROPY = 1;\n\nclass Vector4 {\n\n\tconstructor( x = 0, y = 0, z = 0, w = 1 ) {\n\n\t\tVector4.prototype.isVector4 = true;\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\t\tthis.w = w;\n\n\t}\n\n\tget width() {\n\n\t\treturn this.z;\n\n\t}\n\n\tset width( value ) {\n\n\t\tthis.z = value;\n\n\t}\n\n\tget height() {\n\n\t\treturn this.w;\n\n\t}\n\n\tset height( value ) {\n\n\t\tthis.w = value;\n\n\t}\n\n\tset( x, y, z, w ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\t\tthis.w = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\t\tthis.z = scalar;\n\t\tthis.w = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetZ( z ) {\n\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetW( w ) {\n\n\t\tthis.w = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tcase 2: this.z = value; break;\n\t\t\tcase 3: this.w = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tcase 2: return this.z;\n\t\t\tcase 3: return this.w;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y, this.z, this.w );\n\n\t}\n\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\t\tthis.z = v.z;\n\t\tthis.w = ( v.w !== undefined ) ? v.w : 1;\n\n\t\treturn this;\n\n\t}\n\n\tadd( v ) {\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\t\tthis.z += v.z;\n\t\tthis.w += v.w;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\t\tthis.z += s;\n\t\tthis.w += s;\n\n\t\treturn this;\n\n\t}\n\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\t\tthis.z = a.z + b.z;\n\t\tthis.w = a.w + b.w;\n\n\t\treturn this;\n\n\t}\n\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\t\tthis.z += v.z * s;\n\t\tthis.w += v.w * s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( v ) {\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\t\tthis.z -= v.z;\n\t\tthis.w -= v.w;\n\n\t\treturn this;\n\n\t}\n\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\t\tthis.z -= s;\n\t\tthis.w -= s;\n\n\t\treturn this;\n\n\t}\n\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\t\tthis.z = a.z - b.z;\n\t\tthis.w = a.w - b.w;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( v ) {\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\t\tthis.z *= v.z;\n\t\tthis.w *= v.w;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\t\tthis.z *= scalar;\n\t\tthis.w *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z, w = this.w;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w;\n\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w;\n\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w;\n\t\tthis.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w;\n\n\t\treturn this;\n\n\t}\n\n\tdivide( v ) {\n\n\t\tthis.x /= v.x;\n\t\tthis.y /= v.y;\n\t\tthis.z /= v.z;\n\t\tthis.w /= v.w;\n\n\t\treturn this;\n\n\t}\n\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\tsetAxisAngleFromQuaternion( q ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm\n\n\t\t// q is assumed to be normalized\n\n\t\tthis.w = 2 * Math.acos( q.w );\n\n\t\tconst s = Math.sqrt( 1 - q.w * q.w );\n\n\t\tif ( s < 0.0001 ) {\n\n\t\t\tthis.x = 1;\n\t\t\tthis.y = 0;\n\t\t\tthis.z = 0;\n\n\t\t} else {\n\n\t\t\tthis.x = q.x / s;\n\t\t\tthis.y = q.y / s;\n\t\t\tthis.z = q.z / s;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetAxisAngleFromRotationMatrix( m ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tlet angle, x, y, z; // variables for result\n\t\tconst epsilon = 0.01,\t\t// margin to allow for rounding errors\n\t\t\tepsilon2 = 0.1,\t\t// margin to distinguish between 0 and 180 degrees\n\n\t\t\tte = m.elements,\n\n\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\tif ( ( Math.abs( m12 - m21 ) < epsilon ) &&\n\t\t ( Math.abs( m13 - m31 ) < epsilon ) &&\n\t\t ( Math.abs( m23 - m32 ) < epsilon ) ) {\n\n\t\t\t// singularity found\n\t\t\t// first check for identity matrix which must have +1 for all terms\n\t\t\t// in leading diagonal and zero in other terms\n\n\t\t\tif ( ( Math.abs( m12 + m21 ) < epsilon2 ) &&\n\t\t\t ( Math.abs( m13 + m31 ) < epsilon2 ) &&\n\t\t\t ( Math.abs( m23 + m32 ) < epsilon2 ) &&\n\t\t\t ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) {\n\n\t\t\t\t// this singularity is identity matrix so angle = 0\n\n\t\t\t\tthis.set( 1, 0, 0, 0 );\n\n\t\t\t\treturn this; // zero angle, arbitrary axis\n\n\t\t\t}\n\n\t\t\t// otherwise this singularity is angle = 180\n\n\t\t\tangle = Math.PI;\n\n\t\t\tconst xx = ( m11 + 1 ) / 2;\n\t\t\tconst yy = ( m22 + 1 ) / 2;\n\t\t\tconst zz = ( m33 + 1 ) / 2;\n\t\t\tconst xy = ( m12 + m21 ) / 4;\n\t\t\tconst xz = ( m13 + m31 ) / 4;\n\t\t\tconst yz = ( m23 + m32 ) / 4;\n\n\t\t\tif ( ( xx > yy ) && ( xx > zz ) ) {\n\n\t\t\t\t// m11 is the largest diagonal term\n\n\t\t\t\tif ( xx < epsilon ) {\n\n\t\t\t\t\tx = 0;\n\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tx = Math.sqrt( xx );\n\t\t\t\t\ty = xy / x;\n\t\t\t\t\tz = xz / x;\n\n\t\t\t\t}\n\n\t\t\t} else if ( yy > zz ) {\n\n\t\t\t\t// m22 is the largest diagonal term\n\n\t\t\t\tif ( yy < epsilon ) {\n\n\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\ty = 0;\n\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t} else {\n\n\t\t\t\t\ty = Math.sqrt( yy );\n\t\t\t\t\tx = xy / y;\n\t\t\t\t\tz = yz / y;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// m33 is the largest diagonal term so base result on this\n\n\t\t\t\tif ( zz < epsilon ) {\n\n\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\tz = 0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tz = Math.sqrt( zz );\n\t\t\t\t\tx = xz / z;\n\t\t\t\t\ty = yz / z;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.set( x, y, z, angle );\n\n\t\t\treturn this; // return 180 deg rotation\n\n\t\t}\n\n\t\t// as we have reached here there are no singularities so we can handle normally\n\n\t\tlet s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) +\n\t\t\t( m13 - m31 ) * ( m13 - m31 ) +\n\t\t\t( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize\n\n\t\tif ( Math.abs( s ) < 0.001 ) s = 1;\n\n\t\t// prevent divide by zero, should not happen if matrix is orthogonal and should be\n\t\t// caught by singularity test above, but I've left it in just in case\n\n\t\tthis.x = ( m32 - m23 ) / s;\n\t\tthis.y = ( m13 - m31 ) / s;\n\t\tthis.z = ( m21 - m12 ) / s;\n\t\tthis.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixPosition( m ) {\n\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 12 ];\n\t\tthis.y = e[ 13 ];\n\t\tthis.z = e[ 14 ];\n\t\tthis.w = e[ 15 ];\n\n\t\treturn this;\n\n\t}\n\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\t\tthis.z = Math.min( this.z, v.z );\n\t\tthis.w = Math.min( this.w, v.w );\n\n\t\treturn this;\n\n\t}\n\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\t\tthis.z = Math.max( this.z, v.z );\n\t\tthis.w = Math.max( this.w, v.w );\n\n\t\treturn this;\n\n\t}\n\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = clamp( this.x, min.x, max.x );\n\t\tthis.y = clamp( this.y, min.y, max.y );\n\t\tthis.z = clamp( this.z, min.z, max.z );\n\t\tthis.w = clamp( this.w, min.w, max.w );\n\n\t\treturn this;\n\n\t}\n\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = clamp( this.x, minVal, maxVal );\n\t\tthis.y = clamp( this.y, minVal, maxVal );\n\t\tthis.z = clamp( this.z, minVal, maxVal );\n\t\tthis.w = clamp( this.w, minVal, maxVal );\n\n\t\treturn this;\n\n\t}\n\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( clamp( length, min, max ) );\n\n\t}\n\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\t\tthis.z = Math.floor( this.z );\n\t\tthis.w = Math.floor( this.w );\n\n\t\treturn this;\n\n\t}\n\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\t\tthis.z = Math.ceil( this.z );\n\t\tthis.w = Math.ceil( this.w );\n\n\t\treturn this;\n\n\t}\n\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\t\tthis.z = Math.round( this.z );\n\t\tthis.w = Math.round( this.w );\n\n\t\treturn this;\n\n\t}\n\n\troundToZero() {\n\n\t\tthis.x = Math.trunc( this.x );\n\t\tthis.y = Math.trunc( this.y );\n\t\tthis.z = Math.trunc( this.z );\n\t\tthis.w = Math.trunc( this.w );\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\t\tthis.z = - this.z;\n\t\tthis.w = - this.w;\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w;\n\n\t}\n\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w );\n\n\t}\n\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w );\n\n\t}\n\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\tthis.z += ( v.z - this.z ) * alpha;\n\t\tthis.w += ( v.w - this.w ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\t\tthis.z = v1.z + ( v2.z - v1.z ) * alpha;\n\t\tthis.w = v1.w + ( v2.w - v1.w ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\t\tthis.z = array[ offset + 2 ];\n\t\tthis.w = array[ offset + 3 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\t\tarray[ offset + 2 ] = this.z;\n\t\tarray[ offset + 3 ] = this.w;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\t\tthis.z = attribute.getZ( index );\n\t\tthis.w = attribute.getW( index );\n\n\t\treturn this;\n\n\t}\n\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\t\tthis.z = Math.random();\n\t\tthis.w = Math.random();\n\n\t\treturn this;\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.x;\n\t\tyield this.y;\n\t\tyield this.z;\n\t\tyield this.w;\n\n\t}\n\n}\n\n/*\n In options, we can specify:\n * Texture parameters for an auto-generated target texture\n * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers\n*/\nclass RenderTarget extends EventDispatcher {\n\n\tconstructor( width = 1, height = 1, options = {} ) {\n\n\t\tsuper();\n\n\t\tthis.isRenderTarget = true;\n\n\t\tthis.width = width;\n\t\tthis.height = height;\n\t\tthis.depth = 1;\n\n\t\tthis.scissor = new Vector4( 0, 0, width, height );\n\t\tthis.scissorTest = false;\n\n\t\tthis.viewport = new Vector4( 0, 0, width, height );\n\n\t\tconst image = { width: width, height: height, depth: 1 };\n\n\t\toptions = Object.assign( {\n\t\t\tgenerateMipmaps: false,\n\t\t\tinternalFormat: null,\n\t\t\tminFilter: LinearFilter,\n\t\t\tdepthBuffer: true,\n\t\t\tstencilBuffer: false,\n\t\t\tresolveDepthBuffer: true,\n\t\t\tresolveStencilBuffer: true,\n\t\t\tdepthTexture: null,\n\t\t\tsamples: 0,\n\t\t\tcount: 1\n\t\t}, options );\n\n\t\tconst texture = new Texture( image, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.colorSpace );\n\n\t\ttexture.flipY = false;\n\t\ttexture.generateMipmaps = options.generateMipmaps;\n\t\ttexture.internalFormat = options.internalFormat;\n\n\t\tthis.textures = [];\n\n\t\tconst count = options.count;\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tthis.textures[ i ] = texture.clone();\n\t\t\tthis.textures[ i ].isRenderTargetTexture = true;\n\t\t\tthis.textures[ i ].renderTarget = this;\n\n\t\t}\n\n\t\tthis.depthBuffer = options.depthBuffer;\n\t\tthis.stencilBuffer = options.stencilBuffer;\n\n\t\tthis.resolveDepthBuffer = options.resolveDepthBuffer;\n\t\tthis.resolveStencilBuffer = options.resolveStencilBuffer;\n\n\t\tthis._depthTexture = null;\n\t\tthis.depthTexture = options.depthTexture;\n\n\t\tthis.samples = options.samples;\n\n\t}\n\n\tget texture() {\n\n\t\treturn this.textures[ 0 ];\n\n\t}\n\n\tset texture( value ) {\n\n\t\tthis.textures[ 0 ] = value;\n\n\t}\n\n\tset depthTexture( current ) {\n\n\t\tif ( this._depthTexture !== null ) this._depthTexture.renderTarget = null;\n\t\tif ( current !== null ) current.renderTarget = this;\n\n\t\tthis._depthTexture = current;\n\n\t}\n\n\tget depthTexture() {\n\n\t\treturn this._depthTexture;\n\n\t}\n\n\tsetSize( width, height, depth = 1 ) {\n\n\t\tif ( this.width !== width || this.height !== height || this.depth !== depth ) {\n\n\t\t\tthis.width = width;\n\t\t\tthis.height = height;\n\t\t\tthis.depth = depth;\n\n\t\t\tfor ( let i = 0, il = this.textures.length; i < il; i ++ ) {\n\n\t\t\t\tthis.textures[ i ].image.width = width;\n\t\t\t\tthis.textures[ i ].image.height = height;\n\t\t\t\tthis.textures[ i ].image.depth = depth;\n\n\t\t\t}\n\n\t\t\tthis.dispose();\n\n\t\t}\n\n\t\tthis.viewport.set( 0, 0, width, height );\n\t\tthis.scissor.set( 0, 0, width, height );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.width = source.width;\n\t\tthis.height = source.height;\n\t\tthis.depth = source.depth;\n\n\t\tthis.scissor.copy( source.scissor );\n\t\tthis.scissorTest = source.scissorTest;\n\n\t\tthis.viewport.copy( source.viewport );\n\n\t\tthis.textures.length = 0;\n\n\t\tfor ( let i = 0, il = source.textures.length; i < il; i ++ ) {\n\n\t\t\tthis.textures[ i ] = source.textures[ i ].clone();\n\t\t\tthis.textures[ i ].isRenderTargetTexture = true;\n\t\t\tthis.textures[ i ].renderTarget = this;\n\n\t\t}\n\n\t\t// ensure image object is not shared, see #20328\n\n\t\tconst image = Object.assign( {}, source.texture.image );\n\t\tthis.texture.source = new Source( image );\n\n\t\tthis.depthBuffer = source.depthBuffer;\n\t\tthis.stencilBuffer = source.stencilBuffer;\n\n\t\tthis.resolveDepthBuffer = source.resolveDepthBuffer;\n\t\tthis.resolveStencilBuffer = source.resolveStencilBuffer;\n\n\t\tif ( source.depthTexture !== null ) this.depthTexture = source.depthTexture.clone();\n\n\t\tthis.samples = source.samples;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n}\n\nclass WebGLRenderTarget extends RenderTarget {\n\n\tconstructor( width = 1, height = 1, options = {} ) {\n\n\t\tsuper( width, height, options );\n\n\t\tthis.isWebGLRenderTarget = true;\n\n\t}\n\n}\n\nclass DataArrayTexture extends Texture {\n\n\tconstructor( data = null, width = 1, height = 1, depth = 1 ) {\n\n\t\tsuper( null );\n\n\t\tthis.isDataArrayTexture = true;\n\n\t\tthis.image = { data, width, height, depth };\n\n\t\tthis.magFilter = NearestFilter;\n\t\tthis.minFilter = NearestFilter;\n\n\t\tthis.wrapR = ClampToEdgeWrapping;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t\tthis.layerUpdates = new Set();\n\n\t}\n\n\taddLayerUpdate( layerIndex ) {\n\n\t\tthis.layerUpdates.add( layerIndex );\n\n\t}\n\n\tclearLayerUpdates() {\n\n\t\tthis.layerUpdates.clear();\n\n\t}\n\n}\n\nclass WebGLArrayRenderTarget extends WebGLRenderTarget {\n\n\tconstructor( width = 1, height = 1, depth = 1, options = {} ) {\n\n\t\tsuper( width, height, options );\n\n\t\tthis.isWebGLArrayRenderTarget = true;\n\n\t\tthis.depth = depth;\n\n\t\tthis.texture = new DataArrayTexture( null, width, height, depth );\n\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t}\n\n}\n\nclass Data3DTexture extends Texture {\n\n\tconstructor( data = null, width = 1, height = 1, depth = 1 ) {\n\n\t\t// We're going to add .setXXX() methods for setting properties later.\n\t\t// Users can still set in Data3DTexture directly.\n\t\t//\n\t\t//\tconst texture = new THREE.Data3DTexture( data, width, height, depth );\n\t\t// \ttexture.anisotropy = 16;\n\t\t//\n\t\t// See #14839\n\n\t\tsuper( null );\n\n\t\tthis.isData3DTexture = true;\n\n\t\tthis.image = { data, width, height, depth };\n\n\t\tthis.magFilter = NearestFilter;\n\t\tthis.minFilter = NearestFilter;\n\n\t\tthis.wrapR = ClampToEdgeWrapping;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t}\n\n}\n\nclass WebGL3DRenderTarget extends WebGLRenderTarget {\n\n\tconstructor( width = 1, height = 1, depth = 1, options = {} ) {\n\n\t\tsuper( width, height, options );\n\n\t\tthis.isWebGL3DRenderTarget = true;\n\n\t\tthis.depth = depth;\n\n\t\tthis.texture = new Data3DTexture( null, width, height, depth );\n\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t}\n\n}\n\nclass Quaternion {\n\n\tconstructor( x = 0, y = 0, z = 0, w = 1 ) {\n\n\t\tthis.isQuaternion = true;\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._w = w;\n\n\t}\n\n\tstatic slerpFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) {\n\n\t\t// fuzz-free, array-based Quaternion SLERP operation\n\n\t\tlet x0 = src0[ srcOffset0 + 0 ],\n\t\t\ty0 = src0[ srcOffset0 + 1 ],\n\t\t\tz0 = src0[ srcOffset0 + 2 ],\n\t\t\tw0 = src0[ srcOffset0 + 3 ];\n\n\t\tconst x1 = src1[ srcOffset1 + 0 ],\n\t\t\ty1 = src1[ srcOffset1 + 1 ],\n\t\t\tz1 = src1[ srcOffset1 + 2 ],\n\t\t\tw1 = src1[ srcOffset1 + 3 ];\n\n\t\tif ( t === 0 ) {\n\n\t\t\tdst[ dstOffset + 0 ] = x0;\n\t\t\tdst[ dstOffset + 1 ] = y0;\n\t\t\tdst[ dstOffset + 2 ] = z0;\n\t\t\tdst[ dstOffset + 3 ] = w0;\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( t === 1 ) {\n\n\t\t\tdst[ dstOffset + 0 ] = x1;\n\t\t\tdst[ dstOffset + 1 ] = y1;\n\t\t\tdst[ dstOffset + 2 ] = z1;\n\t\t\tdst[ dstOffset + 3 ] = w1;\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) {\n\n\t\t\tlet s = 1 - t;\n\t\t\tconst cos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1,\n\t\t\t\tdir = ( cos >= 0 ? 1 : - 1 ),\n\t\t\t\tsqrSin = 1 - cos * cos;\n\n\t\t\t// Skip the Slerp for tiny steps to avoid numeric problems:\n\t\t\tif ( sqrSin > Number.EPSILON ) {\n\n\t\t\t\tconst sin = Math.sqrt( sqrSin ),\n\t\t\t\t\tlen = Math.atan2( sin, cos * dir );\n\n\t\t\t\ts = Math.sin( s * len ) / sin;\n\t\t\t\tt = Math.sin( t * len ) / sin;\n\n\t\t\t}\n\n\t\t\tconst tDir = t * dir;\n\n\t\t\tx0 = x0 * s + x1 * tDir;\n\t\t\ty0 = y0 * s + y1 * tDir;\n\t\t\tz0 = z0 * s + z1 * tDir;\n\t\t\tw0 = w0 * s + w1 * tDir;\n\n\t\t\t// Normalize in case we just did a lerp:\n\t\t\tif ( s === 1 - t ) {\n\n\t\t\t\tconst f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 );\n\n\t\t\t\tx0 *= f;\n\t\t\t\ty0 *= f;\n\t\t\t\tz0 *= f;\n\t\t\t\tw0 *= f;\n\n\t\t\t}\n\n\t\t}\n\n\t\tdst[ dstOffset ] = x0;\n\t\tdst[ dstOffset + 1 ] = y0;\n\t\tdst[ dstOffset + 2 ] = z0;\n\t\tdst[ dstOffset + 3 ] = w0;\n\n\t}\n\n\tstatic multiplyQuaternionsFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1 ) {\n\n\t\tconst x0 = src0[ srcOffset0 ];\n\t\tconst y0 = src0[ srcOffset0 + 1 ];\n\t\tconst z0 = src0[ srcOffset0 + 2 ];\n\t\tconst w0 = src0[ srcOffset0 + 3 ];\n\n\t\tconst x1 = src1[ srcOffset1 ];\n\t\tconst y1 = src1[ srcOffset1 + 1 ];\n\t\tconst z1 = src1[ srcOffset1 + 2 ];\n\t\tconst w1 = src1[ srcOffset1 + 3 ];\n\n\t\tdst[ dstOffset ] = x0 * w1 + w0 * x1 + y0 * z1 - z0 * y1;\n\t\tdst[ dstOffset + 1 ] = y0 * w1 + w0 * y1 + z0 * x1 - x0 * z1;\n\t\tdst[ dstOffset + 2 ] = z0 * w1 + w0 * z1 + x0 * y1 - y0 * x1;\n\t\tdst[ dstOffset + 3 ] = w0 * w1 - x0 * x1 - y0 * y1 - z0 * z1;\n\n\t\treturn dst;\n\n\t}\n\n\tget x() {\n\n\t\treturn this._x;\n\n\t}\n\n\tset x( value ) {\n\n\t\tthis._x = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget y() {\n\n\t\treturn this._y;\n\n\t}\n\n\tset y( value ) {\n\n\t\tthis._y = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget z() {\n\n\t\treturn this._z;\n\n\t}\n\n\tset z( value ) {\n\n\t\tthis._z = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget w() {\n\n\t\treturn this._w;\n\n\t}\n\n\tset w( value ) {\n\n\t\tthis._w = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tset( x, y, z, w ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._w = w;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this._x, this._y, this._z, this._w );\n\n\t}\n\n\tcopy( quaternion ) {\n\n\t\tthis._x = quaternion.x;\n\t\tthis._y = quaternion.y;\n\t\tthis._z = quaternion.z;\n\t\tthis._w = quaternion.w;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromEuler( euler, update = true ) {\n\n\t\tconst x = euler._x, y = euler._y, z = euler._z, order = euler._order;\n\n\t\t// http://www.mathworks.com/matlabcentral/fileexchange/\n\t\t// \t20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/\n\t\t//\tcontent/SpinCalc.m\n\n\t\tconst cos = Math.cos;\n\t\tconst sin = Math.sin;\n\n\t\tconst c1 = cos( x / 2 );\n\t\tconst c2 = cos( y / 2 );\n\t\tconst c3 = cos( z / 2 );\n\n\t\tconst s1 = sin( x / 2 );\n\t\tconst s2 = sin( y / 2 );\n\t\tconst s3 = sin( z / 2 );\n\n\t\tswitch ( order ) {\n\n\t\t\tcase 'XYZ':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'YXZ':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZXY':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZYX':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'YZX':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'XZY':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tconsole.warn( 'THREE.Quaternion: .setFromEuler() encountered an unknown order: ' + order );\n\n\t\t}\n\n\t\tif ( update === true ) this._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromAxisAngle( axis, angle ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm\n\n\t\t// assumes axis is normalized\n\n\t\tconst halfAngle = angle / 2, s = Math.sin( halfAngle );\n\n\t\tthis._x = axis.x * s;\n\t\tthis._y = axis.y * s;\n\t\tthis._z = axis.z * s;\n\t\tthis._w = Math.cos( halfAngle );\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromRotationMatrix( m ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tconst te = m.elements,\n\n\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ],\n\n\t\t\ttrace = m11 + m22 + m33;\n\n\t\tif ( trace > 0 ) {\n\n\t\t\tconst s = 0.5 / Math.sqrt( trace + 1.0 );\n\n\t\t\tthis._w = 0.25 / s;\n\t\t\tthis._x = ( m32 - m23 ) * s;\n\t\t\tthis._y = ( m13 - m31 ) * s;\n\t\t\tthis._z = ( m21 - m12 ) * s;\n\n\t\t} else if ( m11 > m22 && m11 > m33 ) {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 );\n\n\t\t\tthis._w = ( m32 - m23 ) / s;\n\t\t\tthis._x = 0.25 * s;\n\t\t\tthis._y = ( m12 + m21 ) / s;\n\t\t\tthis._z = ( m13 + m31 ) / s;\n\n\t\t} else if ( m22 > m33 ) {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 );\n\n\t\t\tthis._w = ( m13 - m31 ) / s;\n\t\t\tthis._x = ( m12 + m21 ) / s;\n\t\t\tthis._y = 0.25 * s;\n\t\t\tthis._z = ( m23 + m32 ) / s;\n\n\t\t} else {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 );\n\n\t\t\tthis._w = ( m21 - m12 ) / s;\n\t\t\tthis._x = ( m13 + m31 ) / s;\n\t\t\tthis._y = ( m23 + m32 ) / s;\n\t\t\tthis._z = 0.25 * s;\n\n\t\t}\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromUnitVectors( vFrom, vTo ) {\n\n\t\t// assumes direction vectors vFrom and vTo are normalized\n\n\t\tlet r = vFrom.dot( vTo ) + 1;\n\n\t\tif ( r < Number.EPSILON ) {\n\n\t\t\t// vFrom and vTo point in opposite directions\n\n\t\t\tr = 0;\n\n\t\t\tif ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) {\n\n\t\t\t\tthis._x = - vFrom.y;\n\t\t\t\tthis._y = vFrom.x;\n\t\t\t\tthis._z = 0;\n\t\t\t\tthis._w = r;\n\n\t\t\t} else {\n\n\t\t\t\tthis._x = 0;\n\t\t\t\tthis._y = - vFrom.z;\n\t\t\t\tthis._z = vFrom.y;\n\t\t\t\tthis._w = r;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// crossVectors( vFrom, vTo ); // inlined to avoid cyclic dependency on Vector3\n\n\t\t\tthis._x = vFrom.y * vTo.z - vFrom.z * vTo.y;\n\t\t\tthis._y = vFrom.z * vTo.x - vFrom.x * vTo.z;\n\t\t\tthis._z = vFrom.x * vTo.y - vFrom.y * vTo.x;\n\t\t\tthis._w = r;\n\n\t\t}\n\n\t\treturn this.normalize();\n\n\t}\n\n\tangleTo( q ) {\n\n\t\treturn 2 * Math.acos( Math.abs( clamp( this.dot( q ), - 1, 1 ) ) );\n\n\t}\n\n\trotateTowards( q, step ) {\n\n\t\tconst angle = this.angleTo( q );\n\n\t\tif ( angle === 0 ) return this;\n\n\t\tconst t = Math.min( 1, step / angle );\n\n\t\tthis.slerp( q, t );\n\n\t\treturn this;\n\n\t}\n\n\tidentity() {\n\n\t\treturn this.set( 0, 0, 0, 1 );\n\n\t}\n\n\tinvert() {\n\n\t\t// quaternion is assumed to have unit length\n\n\t\treturn this.conjugate();\n\n\t}\n\n\tconjugate() {\n\n\t\tthis._x *= - 1;\n\t\tthis._y *= - 1;\n\t\tthis._z *= - 1;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w;\n\n\t}\n\n\tlengthSq() {\n\n\t\treturn this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w );\n\n\t}\n\n\tnormalize() {\n\n\t\tlet l = this.length();\n\n\t\tif ( l === 0 ) {\n\n\t\t\tthis._x = 0;\n\t\t\tthis._y = 0;\n\t\t\tthis._z = 0;\n\t\t\tthis._w = 1;\n\n\t\t} else {\n\n\t\t\tl = 1 / l;\n\n\t\t\tthis._x = this._x * l;\n\t\t\tthis._y = this._y * l;\n\t\t\tthis._z = this._z * l;\n\t\t\tthis._w = this._w * l;\n\n\t\t}\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( q ) {\n\n\t\treturn this.multiplyQuaternions( this, q );\n\n\t}\n\n\tpremultiply( q ) {\n\n\t\treturn this.multiplyQuaternions( q, this );\n\n\t}\n\n\tmultiplyQuaternions( a, b ) {\n\n\t\t// from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm\n\n\t\tconst qax = a._x, qay = a._y, qaz = a._z, qaw = a._w;\n\t\tconst qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w;\n\n\t\tthis._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby;\n\t\tthis._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz;\n\t\tthis._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx;\n\t\tthis._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tslerp( qb, t ) {\n\n\t\tif ( t === 0 ) return this;\n\t\tif ( t === 1 ) return this.copy( qb );\n\n\t\tconst x = this._x, y = this._y, z = this._z, w = this._w;\n\n\t\t// http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/\n\n\t\tlet cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z;\n\n\t\tif ( cosHalfTheta < 0 ) {\n\n\t\t\tthis._w = - qb._w;\n\t\t\tthis._x = - qb._x;\n\t\t\tthis._y = - qb._y;\n\t\t\tthis._z = - qb._z;\n\n\t\t\tcosHalfTheta = - cosHalfTheta;\n\n\t\t} else {\n\n\t\t\tthis.copy( qb );\n\n\t\t}\n\n\t\tif ( cosHalfTheta >= 1.0 ) {\n\n\t\t\tthis._w = w;\n\t\t\tthis._x = x;\n\t\t\tthis._y = y;\n\t\t\tthis._z = z;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst sqrSinHalfTheta = 1.0 - cosHalfTheta * cosHalfTheta;\n\n\t\tif ( sqrSinHalfTheta <= Number.EPSILON ) {\n\n\t\t\tconst s = 1 - t;\n\t\t\tthis._w = s * w + t * this._w;\n\t\t\tthis._x = s * x + t * this._x;\n\t\t\tthis._y = s * y + t * this._y;\n\t\t\tthis._z = s * z + t * this._z;\n\n\t\t\tthis.normalize(); // normalize calls _onChangeCallback()\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst sinHalfTheta = Math.sqrt( sqrSinHalfTheta );\n\t\tconst halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta );\n\t\tconst ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta,\n\t\t\tratioB = Math.sin( t * halfTheta ) / sinHalfTheta;\n\n\t\tthis._w = ( w * ratioA + this._w * ratioB );\n\t\tthis._x = ( x * ratioA + this._x * ratioB );\n\t\tthis._y = ( y * ratioA + this._y * ratioB );\n\t\tthis._z = ( z * ratioA + this._z * ratioB );\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tslerpQuaternions( qa, qb, t ) {\n\n\t\treturn this.copy( qa ).slerp( qb, t );\n\n\t}\n\n\trandom() {\n\n\t\t// sets this quaternion to a uniform random unit quaternnion\n\n\t\t// Ken Shoemake\n\t\t// Uniform random rotations\n\t\t// D. Kirk, editor, Graphics Gems III, pages 124-132. Academic Press, New York, 1992.\n\n\t\tconst theta1 = 2 * Math.PI * Math.random();\n\t\tconst theta2 = 2 * Math.PI * Math.random();\n\n\t\tconst x0 = Math.random();\n\t\tconst r1 = Math.sqrt( 1 - x0 );\n\t\tconst r2 = Math.sqrt( x0 );\n\n\t\treturn this.set(\n\t\t\tr1 * Math.sin( theta1 ),\n\t\t\tr1 * Math.cos( theta1 ),\n\t\t\tr2 * Math.sin( theta2 ),\n\t\t\tr2 * Math.cos( theta2 ),\n\t\t);\n\n\t}\n\n\tequals( quaternion ) {\n\n\t\treturn ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis._x = array[ offset ];\n\t\tthis._y = array[ offset + 1 ];\n\t\tthis._z = array[ offset + 2 ];\n\t\tthis._w = array[ offset + 3 ];\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this._x;\n\t\tarray[ offset + 1 ] = this._y;\n\t\tarray[ offset + 2 ] = this._z;\n\t\tarray[ offset + 3 ] = this._w;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis._x = attribute.getX( index );\n\t\tthis._y = attribute.getY( index );\n\t\tthis._z = attribute.getZ( index );\n\t\tthis._w = attribute.getW( index );\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\treturn this.toArray();\n\n\t}\n\n\t_onChange( callback ) {\n\n\t\tthis._onChangeCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\t_onChangeCallback() {}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this._x;\n\t\tyield this._y;\n\t\tyield this._z;\n\t\tyield this._w;\n\n\t}\n\n}\n\nclass Vector3 {\n\n\tconstructor( x = 0, y = 0, z = 0 ) {\n\n\t\tVector3.prototype.isVector3 = true;\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\n\t}\n\n\tset( x, y, z ) {\n\n\t\tif ( z === undefined ) z = this.z; // sprite.scale.set(x,y)\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\t\tthis.z = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetZ( z ) {\n\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tcase 2: this.z = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tcase 2: return this.z;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y, this.z );\n\n\t}\n\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\t\tthis.z = v.z;\n\n\t\treturn this;\n\n\t}\n\n\tadd( v ) {\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\t\tthis.z += v.z;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\t\tthis.z += s;\n\n\t\treturn this;\n\n\t}\n\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\t\tthis.z = a.z + b.z;\n\n\t\treturn this;\n\n\t}\n\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\t\tthis.z += v.z * s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( v ) {\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\t\tthis.z -= v.z;\n\n\t\treturn this;\n\n\t}\n\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\t\tthis.z -= s;\n\n\t\treturn this;\n\n\t}\n\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\t\tthis.z = a.z - b.z;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( v ) {\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\t\tthis.z *= v.z;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\t\tthis.z *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyVectors( a, b ) {\n\n\t\tthis.x = a.x * b.x;\n\t\tthis.y = a.y * b.y;\n\t\tthis.z = a.z * b.z;\n\n\t\treturn this;\n\n\t}\n\n\tapplyEuler( euler ) {\n\n\t\treturn this.applyQuaternion( _quaternion$4.setFromEuler( euler ) );\n\n\t}\n\n\tapplyAxisAngle( axis, angle ) {\n\n\t\treturn this.applyQuaternion( _quaternion$4.setFromAxisAngle( axis, angle ) );\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z;\n\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z;\n\t\tthis.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z;\n\n\t\treturn this;\n\n\t}\n\n\tapplyNormalMatrix( m ) {\n\n\t\treturn this.applyMatrix3( m ).normalize();\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tconst w = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] );\n\n\t\tthis.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * w;\n\t\tthis.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * w;\n\t\tthis.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * w;\n\n\t\treturn this;\n\n\t}\n\n\tapplyQuaternion( q ) {\n\n\t\t// quaternion q is assumed to have unit length\n\n\t\tconst vx = this.x, vy = this.y, vz = this.z;\n\t\tconst qx = q.x, qy = q.y, qz = q.z, qw = q.w;\n\n\t\t// t = 2 * cross( q.xyz, v );\n\t\tconst tx = 2 * ( qy * vz - qz * vy );\n\t\tconst ty = 2 * ( qz * vx - qx * vz );\n\t\tconst tz = 2 * ( qx * vy - qy * vx );\n\n\t\t// v + q.w * t + cross( q.xyz, t );\n\t\tthis.x = vx + qw * tx + qy * tz - qz * ty;\n\t\tthis.y = vy + qw * ty + qz * tx - qx * tz;\n\t\tthis.z = vz + qw * tz + qx * ty - qy * tx;\n\n\t\treturn this;\n\n\t}\n\n\tproject( camera ) {\n\n\t\treturn this.applyMatrix4( camera.matrixWorldInverse ).applyMatrix4( camera.projectionMatrix );\n\n\t}\n\n\tunproject( camera ) {\n\n\t\treturn this.applyMatrix4( camera.projectionMatrixInverse ).applyMatrix4( camera.matrixWorld );\n\n\t}\n\n\ttransformDirection( m ) {\n\n\t\t// input: THREE.Matrix4 affine matrix\n\t\t// vector interpreted as a direction\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z;\n\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z;\n\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z;\n\n\t\treturn this.normalize();\n\n\t}\n\n\tdivide( v ) {\n\n\t\tthis.x /= v.x;\n\t\tthis.y /= v.y;\n\t\tthis.z /= v.z;\n\n\t\treturn this;\n\n\t}\n\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\t\tthis.z = Math.min( this.z, v.z );\n\n\t\treturn this;\n\n\t}\n\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\t\tthis.z = Math.max( this.z, v.z );\n\n\t\treturn this;\n\n\t}\n\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = clamp( this.x, min.x, max.x );\n\t\tthis.y = clamp( this.y, min.y, max.y );\n\t\tthis.z = clamp( this.z, min.z, max.z );\n\n\t\treturn this;\n\n\t}\n\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = clamp( this.x, minVal, maxVal );\n\t\tthis.y = clamp( this.y, minVal, maxVal );\n\t\tthis.z = clamp( this.z, minVal, maxVal );\n\n\t\treturn this;\n\n\t}\n\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( clamp( length, min, max ) );\n\n\t}\n\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\t\tthis.z = Math.floor( this.z );\n\n\t\treturn this;\n\n\t}\n\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\t\tthis.z = Math.ceil( this.z );\n\n\t\treturn this;\n\n\t}\n\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\t\tthis.z = Math.round( this.z );\n\n\t\treturn this;\n\n\t}\n\n\troundToZero() {\n\n\t\tthis.x = Math.trunc( this.x );\n\t\tthis.y = Math.trunc( this.y );\n\t\tthis.z = Math.trunc( this.z );\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\t\tthis.z = - this.z;\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y + this.z * v.z;\n\n\t}\n\n\t// TODO lengthSquared?\n\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y + this.z * this.z;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z );\n\n\t}\n\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z );\n\n\t}\n\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\tthis.z += ( v.z - this.z ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\t\tthis.z = v1.z + ( v2.z - v1.z ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tcross( v ) {\n\n\t\treturn this.crossVectors( this, v );\n\n\t}\n\n\tcrossVectors( a, b ) {\n\n\t\tconst ax = a.x, ay = a.y, az = a.z;\n\t\tconst bx = b.x, by = b.y, bz = b.z;\n\n\t\tthis.x = ay * bz - az * by;\n\t\tthis.y = az * bx - ax * bz;\n\t\tthis.z = ax * by - ay * bx;\n\n\t\treturn this;\n\n\t}\n\n\tprojectOnVector( v ) {\n\n\t\tconst denominator = v.lengthSq();\n\n\t\tif ( denominator === 0 ) return this.set( 0, 0, 0 );\n\n\t\tconst scalar = v.dot( this ) / denominator;\n\n\t\treturn this.copy( v ).multiplyScalar( scalar );\n\n\t}\n\n\tprojectOnPlane( planeNormal ) {\n\n\t\t_vector$c.copy( this ).projectOnVector( planeNormal );\n\n\t\treturn this.sub( _vector$c );\n\n\t}\n\n\treflect( normal ) {\n\n\t\t// reflect incident vector off plane orthogonal to normal\n\t\t// normal is assumed to have unit length\n\n\t\treturn this.sub( _vector$c.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) );\n\n\t}\n\n\tangleTo( v ) {\n\n\t\tconst denominator = Math.sqrt( this.lengthSq() * v.lengthSq() );\n\n\t\tif ( denominator === 0 ) return Math.PI / 2;\n\n\t\tconst theta = this.dot( v ) / denominator;\n\n\t\t// clamp, to handle numerical problems\n\n\t\treturn Math.acos( clamp( theta, - 1, 1 ) );\n\n\t}\n\n\tdistanceTo( v ) {\n\n\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t}\n\n\tdistanceToSquared( v ) {\n\n\t\tconst dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z;\n\n\t\treturn dx * dx + dy * dy + dz * dz;\n\n\t}\n\n\tmanhattanDistanceTo( v ) {\n\n\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z );\n\n\t}\n\n\tsetFromSpherical( s ) {\n\n\t\treturn this.setFromSphericalCoords( s.radius, s.phi, s.theta );\n\n\t}\n\n\tsetFromSphericalCoords( radius, phi, theta ) {\n\n\t\tconst sinPhiRadius = Math.sin( phi ) * radius;\n\n\t\tthis.x = sinPhiRadius * Math.sin( theta );\n\t\tthis.y = Math.cos( phi ) * radius;\n\t\tthis.z = sinPhiRadius * Math.cos( theta );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCylindrical( c ) {\n\n\t\treturn this.setFromCylindricalCoords( c.radius, c.theta, c.y );\n\n\t}\n\n\tsetFromCylindricalCoords( radius, theta, y ) {\n\n\t\tthis.x = radius * Math.sin( theta );\n\t\tthis.y = y;\n\t\tthis.z = radius * Math.cos( theta );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixPosition( m ) {\n\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 12 ];\n\t\tthis.y = e[ 13 ];\n\t\tthis.z = e[ 14 ];\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixScale( m ) {\n\n\t\tconst sx = this.setFromMatrixColumn( m, 0 ).length();\n\t\tconst sy = this.setFromMatrixColumn( m, 1 ).length();\n\t\tconst sz = this.setFromMatrixColumn( m, 2 ).length();\n\n\t\tthis.x = sx;\n\t\tthis.y = sy;\n\t\tthis.z = sz;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixColumn( m, index ) {\n\n\t\treturn this.fromArray( m.elements, index * 4 );\n\n\t}\n\n\tsetFromMatrix3Column( m, index ) {\n\n\t\treturn this.fromArray( m.elements, index * 3 );\n\n\t}\n\n\tsetFromEuler( e ) {\n\n\t\tthis.x = e._x;\n\t\tthis.y = e._y;\n\t\tthis.z = e._z;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromColor( c ) {\n\n\t\tthis.x = c.r;\n\t\tthis.y = c.g;\n\t\tthis.z = c.b;\n\n\t\treturn this;\n\n\t}\n\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\t\tthis.z = array[ offset + 2 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\t\tarray[ offset + 2 ] = this.z;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\t\tthis.z = attribute.getZ( index );\n\n\t\treturn this;\n\n\t}\n\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\t\tthis.z = Math.random();\n\n\t\treturn this;\n\n\t}\n\n\trandomDirection() {\n\n\t\t// https://mathworld.wolfram.com/SpherePointPicking.html\n\n\t\tconst theta = Math.random() * Math.PI * 2;\n\t\tconst u = Math.random() * 2 - 1;\n\t\tconst c = Math.sqrt( 1 - u * u );\n\n\t\tthis.x = c * Math.cos( theta );\n\t\tthis.y = u;\n\t\tthis.z = c * Math.sin( theta );\n\n\t\treturn this;\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.x;\n\t\tyield this.y;\n\t\tyield this.z;\n\n\t}\n\n}\n\nconst _vector$c = /*@__PURE__*/ new Vector3();\nconst _quaternion$4 = /*@__PURE__*/ new Quaternion();\n\nclass Box3 {\n\n\tconstructor( min = new Vector3( + Infinity, + Infinity, + Infinity ), max = new Vector3( - Infinity, - Infinity, - Infinity ) ) {\n\n\t\tthis.isBox3 = true;\n\n\t\tthis.min = min;\n\t\tthis.max = max;\n\n\t}\n\n\tset( min, max ) {\n\n\t\tthis.min.copy( min );\n\t\tthis.max.copy( max );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromArray( array ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = array.length; i < il; i += 3 ) {\n\n\t\t\tthis.expandByPoint( _vector$b.fromArray( array, i ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromBufferAttribute( attribute ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = attribute.count; i < il; i ++ ) {\n\n\t\t\tthis.expandByPoint( _vector$b.fromBufferAttribute( attribute, i ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCenterAndSize( center, size ) {\n\n\t\tconst halfSize = _vector$b.copy( size ).multiplyScalar( 0.5 );\n\n\t\tthis.min.copy( center ).sub( halfSize );\n\t\tthis.max.copy( center ).add( halfSize );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromObject( object, precise = false ) {\n\n\t\tthis.makeEmpty();\n\n\t\treturn this.expandByObject( object, precise );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( box ) {\n\n\t\tthis.min.copy( box.min );\n\t\tthis.max.copy( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tmakeEmpty() {\n\n\t\tthis.min.x = this.min.y = this.min.z = + Infinity;\n\t\tthis.max.x = this.max.y = this.max.z = - Infinity;\n\n\t\treturn this;\n\n\t}\n\n\tisEmpty() {\n\n\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z );\n\n\t}\n\n\tgetCenter( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t}\n\n\tgetSize( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0, 0 ) : target.subVectors( this.max, this.min );\n\n\t}\n\n\texpandByPoint( point ) {\n\n\t\tthis.min.min( point );\n\t\tthis.max.max( point );\n\n\t\treturn this;\n\n\t}\n\n\texpandByVector( vector ) {\n\n\t\tthis.min.sub( vector );\n\t\tthis.max.add( vector );\n\n\t\treturn this;\n\n\t}\n\n\texpandByScalar( scalar ) {\n\n\t\tthis.min.addScalar( - scalar );\n\t\tthis.max.addScalar( scalar );\n\n\t\treturn this;\n\n\t}\n\n\texpandByObject( object, precise = false ) {\n\n\t\t// Computes the world-axis-aligned bounding box of an object (including its children),\n\t\t// accounting for both the object's, and children's, world transforms\n\n\t\tobject.updateWorldMatrix( false, false );\n\n\t\tconst geometry = object.geometry;\n\n\t\tif ( geometry !== undefined ) {\n\n\t\t\tconst positionAttribute = geometry.getAttribute( 'position' );\n\n\t\t\t// precise AABB computation based on vertex data requires at least a position attribute.\n\t\t\t// instancing isn't supported so far and uses the normal (conservative) code path.\n\n\t\t\tif ( precise === true && positionAttribute !== undefined && object.isInstancedMesh !== true ) {\n\n\t\t\t\tfor ( let i = 0, l = positionAttribute.count; i < l; i ++ ) {\n\n\t\t\t\t\tif ( object.isMesh === true ) {\n\n\t\t\t\t\t\tobject.getVertexPosition( i, _vector$b );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_vector$b.fromBufferAttribute( positionAttribute, i );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_vector$b.applyMatrix4( object.matrixWorld );\n\t\t\t\t\tthis.expandByPoint( _vector$b );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( object.boundingBox !== undefined ) {\n\n\t\t\t\t\t// object-level bounding box\n\n\t\t\t\t\tif ( object.boundingBox === null ) {\n\n\t\t\t\t\t\tobject.computeBoundingBox();\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_box$4.copy( object.boundingBox );\n\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// geometry-level bounding box\n\n\t\t\t\t\tif ( geometry.boundingBox === null ) {\n\n\t\t\t\t\t\tgeometry.computeBoundingBox();\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_box$4.copy( geometry.boundingBox );\n\n\t\t\t\t}\n\n\t\t\t\t_box$4.applyMatrix4( object.matrixWorld );\n\n\t\t\t\tthis.union( _box$4 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tthis.expandByObject( children[ i ], precise );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn point.x >= this.min.x && point.x <= this.max.x &&\n\t\t\tpoint.y >= this.min.y && point.y <= this.max.y &&\n\t\t\tpoint.z >= this.min.z && point.z <= this.max.z;\n\n\t}\n\n\tcontainsBox( box ) {\n\n\t\treturn this.min.x <= box.min.x && box.max.x <= this.max.x &&\n\t\t\tthis.min.y <= box.min.y && box.max.y <= this.max.y &&\n\t\t\tthis.min.z <= box.min.z && box.max.z <= this.max.z;\n\n\t}\n\n\tgetParameter( point, target ) {\n\n\t\t// This can potentially have a divide by zero if the box\n\t\t// has a size dimension of 0.\n\n\t\treturn target.set(\n\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y ),\n\t\t\t( point.z - this.min.z ) / ( this.max.z - this.min.z )\n\t\t);\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\t// using 6 splitting planes to rule out intersections.\n\t\treturn box.max.x >= this.min.x && box.min.x <= this.max.x &&\n\t\t\tbox.max.y >= this.min.y && box.min.y <= this.max.y &&\n\t\t\tbox.max.z >= this.min.z && box.min.z <= this.max.z;\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\t// Find the point on the AABB closest to the sphere center.\n\t\tthis.clampPoint( sphere.center, _vector$b );\n\n\t\t// If that point is inside the sphere, the AABB and sphere intersect.\n\t\treturn _vector$b.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t}\n\n\tintersectsPlane( plane ) {\n\n\t\t// We compute the minimum and maximum dot product values. If those values\n\t\t// are on the same side (back or front) of the plane, then there is no intersection.\n\n\t\tlet min, max;\n\n\t\tif ( plane.normal.x > 0 ) {\n\n\t\t\tmin = plane.normal.x * this.min.x;\n\t\t\tmax = plane.normal.x * this.max.x;\n\n\t\t} else {\n\n\t\t\tmin = plane.normal.x * this.max.x;\n\t\t\tmax = plane.normal.x * this.min.x;\n\n\t\t}\n\n\t\tif ( plane.normal.y > 0 ) {\n\n\t\t\tmin += plane.normal.y * this.min.y;\n\t\t\tmax += plane.normal.y * this.max.y;\n\n\t\t} else {\n\n\t\t\tmin += plane.normal.y * this.max.y;\n\t\t\tmax += plane.normal.y * this.min.y;\n\n\t\t}\n\n\t\tif ( plane.normal.z > 0 ) {\n\n\t\t\tmin += plane.normal.z * this.min.z;\n\t\t\tmax += plane.normal.z * this.max.z;\n\n\t\t} else {\n\n\t\t\tmin += plane.normal.z * this.max.z;\n\t\t\tmax += plane.normal.z * this.min.z;\n\n\t\t}\n\n\t\treturn ( min <= - plane.constant && max >= - plane.constant );\n\n\t}\n\n\tintersectsTriangle( triangle ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// compute box center and extents\n\t\tthis.getCenter( _center );\n\t\t_extents.subVectors( this.max, _center );\n\n\t\t// translate triangle to aabb origin\n\t\t_v0$2.subVectors( triangle.a, _center );\n\t\t_v1$7.subVectors( triangle.b, _center );\n\t\t_v2$4.subVectors( triangle.c, _center );\n\n\t\t// compute edge vectors for triangle\n\t\t_f0.subVectors( _v1$7, _v0$2 );\n\t\t_f1.subVectors( _v2$4, _v1$7 );\n\t\t_f2.subVectors( _v0$2, _v2$4 );\n\n\t\t// test against axes that are given by cross product combinations of the edges of the triangle and the edges of the aabb\n\t\t// make an axis testing of each of the 3 sides of the aabb against each of the 3 sides of the triangle = 9 axis of separation\n\t\t// axis_ij = u_i x f_j (u0, u1, u2 = face normals of aabb = x,y,z axes vectors since aabb is axis aligned)\n\t\tlet axes = [\n\t\t\t0, - _f0.z, _f0.y, 0, - _f1.z, _f1.y, 0, - _f2.z, _f2.y,\n\t\t\t_f0.z, 0, - _f0.x, _f1.z, 0, - _f1.x, _f2.z, 0, - _f2.x,\n\t\t\t- _f0.y, _f0.x, 0, - _f1.y, _f1.x, 0, - _f2.y, _f2.x, 0\n\t\t];\n\t\tif ( ! satForAxes( axes, _v0$2, _v1$7, _v2$4, _extents ) ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// test 3 face normals from the aabb\n\t\taxes = [ 1, 0, 0, 0, 1, 0, 0, 0, 1 ];\n\t\tif ( ! satForAxes( axes, _v0$2, _v1$7, _v2$4, _extents ) ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// finally testing the face normal of the triangle\n\t\t// use already existing triangle edge vectors here\n\t\t_triangleNormal.crossVectors( _f0, _f1 );\n\t\taxes = [ _triangleNormal.x, _triangleNormal.y, _triangleNormal.z ];\n\n\t\treturn satForAxes( axes, _v0$2, _v1$7, _v2$4, _extents );\n\n\t}\n\n\tclampPoint( point, target ) {\n\n\t\treturn target.copy( point ).clamp( this.min, this.max );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn this.clampPoint( point, _vector$b ).distanceTo( point );\n\n\t}\n\n\tgetBoundingSphere( target ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\ttarget.makeEmpty();\n\n\t\t} else {\n\n\t\t\tthis.getCenter( target.center );\n\n\t\t\ttarget.radius = this.getSize( _vector$b ).length() * 0.5;\n\n\t\t}\n\n\t\treturn target;\n\n\t}\n\n\tintersect( box ) {\n\n\t\tthis.min.max( box.min );\n\t\tthis.max.min( box.max );\n\n\t\t// ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values.\n\t\tif ( this.isEmpty() ) this.makeEmpty();\n\n\t\treturn this;\n\n\t}\n\n\tunion( box ) {\n\n\t\tthis.min.min( box.min );\n\t\tthis.max.max( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\t// transform of empty box is an empty box.\n\t\tif ( this.isEmpty() ) return this;\n\n\t\t// NOTE: I am using a binary pattern to specify all 2^3 combinations below\n\t\t_points[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000\n\t\t_points[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001\n\t\t_points[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010\n\t\t_points[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011\n\t\t_points[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100\n\t\t_points[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101\n\t\t_points[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110\n\t\t_points[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 111\n\n\t\tthis.setFromPoints( _points );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.min.add( offset );\n\t\tthis.max.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\tequals( box ) {\n\n\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t}\n\n}\n\nconst _points = [\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3()\n];\n\nconst _vector$b = /*@__PURE__*/ new Vector3();\n\nconst _box$4 = /*@__PURE__*/ new Box3();\n\n// triangle centered vertices\n\nconst _v0$2 = /*@__PURE__*/ new Vector3();\nconst _v1$7 = /*@__PURE__*/ new Vector3();\nconst _v2$4 = /*@__PURE__*/ new Vector3();\n\n// triangle edge vectors\n\nconst _f0 = /*@__PURE__*/ new Vector3();\nconst _f1 = /*@__PURE__*/ new Vector3();\nconst _f2 = /*@__PURE__*/ new Vector3();\n\nconst _center = /*@__PURE__*/ new Vector3();\nconst _extents = /*@__PURE__*/ new Vector3();\nconst _triangleNormal = /*@__PURE__*/ new Vector3();\nconst _testAxis = /*@__PURE__*/ new Vector3();\n\nfunction satForAxes( axes, v0, v1, v2, extents ) {\n\n\tfor ( let i = 0, j = axes.length - 3; i <= j; i += 3 ) {\n\n\t\t_testAxis.fromArray( axes, i );\n\t\t// project the aabb onto the separating axis\n\t\tconst r = extents.x * Math.abs( _testAxis.x ) + extents.y * Math.abs( _testAxis.y ) + extents.z * Math.abs( _testAxis.z );\n\t\t// project all 3 vertices of the triangle onto the separating axis\n\t\tconst p0 = v0.dot( _testAxis );\n\t\tconst p1 = v1.dot( _testAxis );\n\t\tconst p2 = v2.dot( _testAxis );\n\t\t// actual test, basically see if either of the most extreme of the triangle points intersects r\n\t\tif ( Math.max( - Math.max( p0, p1, p2 ), Math.min( p0, p1, p2 ) ) > r ) {\n\n\t\t\t// points of the projected triangle are outside the projected half-length of the aabb\n\t\t\t// the axis is separating and we can exit\n\t\t\treturn false;\n\n\t\t}\n\n\t}\n\n\treturn true;\n\n}\n\nconst _box$3 = /*@__PURE__*/ new Box3();\nconst _v1$6 = /*@__PURE__*/ new Vector3();\nconst _v2$3 = /*@__PURE__*/ new Vector3();\n\nclass Sphere {\n\n\tconstructor( center = new Vector3(), radius = - 1 ) {\n\n\t\tthis.isSphere = true;\n\n\t\tthis.center = center;\n\t\tthis.radius = radius;\n\n\t}\n\n\tset( center, radius ) {\n\n\t\tthis.center.copy( center );\n\t\tthis.radius = radius;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points, optionalCenter ) {\n\n\t\tconst center = this.center;\n\n\t\tif ( optionalCenter !== undefined ) {\n\n\t\t\tcenter.copy( optionalCenter );\n\n\t\t} else {\n\n\t\t\t_box$3.setFromPoints( points ).getCenter( center );\n\n\t\t}\n\n\t\tlet maxRadiusSq = 0;\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) );\n\n\t\t}\n\n\t\tthis.radius = Math.sqrt( maxRadiusSq );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( sphere ) {\n\n\t\tthis.center.copy( sphere.center );\n\t\tthis.radius = sphere.radius;\n\n\t\treturn this;\n\n\t}\n\n\tisEmpty() {\n\n\t\treturn ( this.radius < 0 );\n\n\t}\n\n\tmakeEmpty() {\n\n\t\tthis.center.set( 0, 0, 0 );\n\t\tthis.radius = - 1;\n\n\t\treturn this;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn ( point.distanceTo( this.center ) - this.radius );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\tconst radiusSum = this.radius + sphere.radius;\n\n\t\treturn sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsSphere( this );\n\n\t}\n\n\tintersectsPlane( plane ) {\n\n\t\treturn Math.abs( plane.distanceToPoint( this.center ) ) <= this.radius;\n\n\t}\n\n\tclampPoint( point, target ) {\n\n\t\tconst deltaLengthSq = this.center.distanceToSquared( point );\n\n\t\ttarget.copy( point );\n\n\t\tif ( deltaLengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\ttarget.sub( this.center ).normalize();\n\t\t\ttarget.multiplyScalar( this.radius ).add( this.center );\n\n\t\t}\n\n\t\treturn target;\n\n\t}\n\n\tgetBoundingBox( target ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\t// Empty sphere produces empty bounding box\n\t\t\ttarget.makeEmpty();\n\t\t\treturn target;\n\n\t\t}\n\n\t\ttarget.set( this.center, this.center );\n\t\ttarget.expandByScalar( this.radius );\n\n\t\treturn target;\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tthis.center.applyMatrix4( matrix );\n\t\tthis.radius = this.radius * matrix.getMaxScaleOnAxis();\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.center.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\texpandByPoint( point ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\tthis.center.copy( point );\n\n\t\t\tthis.radius = 0;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\t_v1$6.subVectors( point, this.center );\n\n\t\tconst lengthSq = _v1$6.lengthSq();\n\n\t\tif ( lengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\t// calculate the minimal sphere\n\n\t\t\tconst length = Math.sqrt( lengthSq );\n\n\t\t\tconst delta = ( length - this.radius ) * 0.5;\n\n\t\t\tthis.center.addScaledVector( _v1$6, delta / length );\n\n\t\t\tthis.radius += delta;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tunion( sphere ) {\n\n\t\tif ( sphere.isEmpty() ) {\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\tthis.copy( sphere );\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( this.center.equals( sphere.center ) === true ) {\n\n\t\t\t this.radius = Math.max( this.radius, sphere.radius );\n\n\t\t} else {\n\n\t\t\t_v2$3.subVectors( sphere.center, this.center ).setLength( sphere.radius );\n\n\t\t\tthis.expandByPoint( _v1$6.copy( sphere.center ).add( _v2$3 ) );\n\n\t\t\tthis.expandByPoint( _v1$6.copy( sphere.center ).sub( _v2$3 ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tequals( sphere ) {\n\n\t\treturn sphere.center.equals( this.center ) && ( sphere.radius === this.radius );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _vector$a = /*@__PURE__*/ new Vector3();\nconst _segCenter = /*@__PURE__*/ new Vector3();\nconst _segDir = /*@__PURE__*/ new Vector3();\nconst _diff = /*@__PURE__*/ new Vector3();\n\nconst _edge1 = /*@__PURE__*/ new Vector3();\nconst _edge2 = /*@__PURE__*/ new Vector3();\nconst _normal$1 = /*@__PURE__*/ new Vector3();\n\nclass Ray {\n\n\tconstructor( origin = new Vector3(), direction = new Vector3( 0, 0, - 1 ) ) {\n\n\t\tthis.origin = origin;\n\t\tthis.direction = direction;\n\n\t}\n\n\tset( origin, direction ) {\n\n\t\tthis.origin.copy( origin );\n\t\tthis.direction.copy( direction );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( ray ) {\n\n\t\tthis.origin.copy( ray.origin );\n\t\tthis.direction.copy( ray.direction );\n\n\t\treturn this;\n\n\t}\n\n\tat( t, target ) {\n\n\t\treturn target.copy( this.origin ).addScaledVector( this.direction, t );\n\n\t}\n\n\tlookAt( v ) {\n\n\t\tthis.direction.copy( v ).sub( this.origin ).normalize();\n\n\t\treturn this;\n\n\t}\n\n\trecast( t ) {\n\n\t\tthis.origin.copy( this.at( t, _vector$a ) );\n\n\t\treturn this;\n\n\t}\n\n\tclosestPointToPoint( point, target ) {\n\n\t\ttarget.subVectors( point, this.origin );\n\n\t\tconst directionDistance = target.dot( this.direction );\n\n\t\tif ( directionDistance < 0 ) {\n\n\t\t\treturn target.copy( this.origin );\n\n\t\t}\n\n\t\treturn target.copy( this.origin ).addScaledVector( this.direction, directionDistance );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn Math.sqrt( this.distanceSqToPoint( point ) );\n\n\t}\n\n\tdistanceSqToPoint( point ) {\n\n\t\tconst directionDistance = _vector$a.subVectors( point, this.origin ).dot( this.direction );\n\n\t\t// point behind the ray\n\n\t\tif ( directionDistance < 0 ) {\n\n\t\t\treturn this.origin.distanceToSquared( point );\n\n\t\t}\n\n\t\t_vector$a.copy( this.origin ).addScaledVector( this.direction, directionDistance );\n\n\t\treturn _vector$a.distanceToSquared( point );\n\n\t}\n\n\tdistanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) {\n\n\t\t// from https://github.com/pmjoniak/GeometricTools/blob/master/GTEngine/Include/Mathematics/GteDistRaySegment.h\n\t\t// It returns the min distance between the ray and the segment\n\t\t// defined by v0 and v1\n\t\t// It can also set two optional targets :\n\t\t// - The closest point on the ray\n\t\t// - The closest point on the segment\n\n\t\t_segCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 );\n\t\t_segDir.copy( v1 ).sub( v0 ).normalize();\n\t\t_diff.copy( this.origin ).sub( _segCenter );\n\n\t\tconst segExtent = v0.distanceTo( v1 ) * 0.5;\n\t\tconst a01 = - this.direction.dot( _segDir );\n\t\tconst b0 = _diff.dot( this.direction );\n\t\tconst b1 = - _diff.dot( _segDir );\n\t\tconst c = _diff.lengthSq();\n\t\tconst det = Math.abs( 1 - a01 * a01 );\n\t\tlet s0, s1, sqrDist, extDet;\n\n\t\tif ( det > 0 ) {\n\n\t\t\t// The ray and segment are not parallel.\n\n\t\t\ts0 = a01 * b1 - b0;\n\t\t\ts1 = a01 * b0 - b1;\n\t\t\textDet = segExtent * det;\n\n\t\t\tif ( s0 >= 0 ) {\n\n\t\t\t\tif ( s1 >= - extDet ) {\n\n\t\t\t\t\tif ( s1 <= extDet ) {\n\n\t\t\t\t\t\t// region 0\n\t\t\t\t\t\t// Minimum at interior points of ray and segment.\n\n\t\t\t\t\t\tconst invDet = 1 / det;\n\t\t\t\t\t\ts0 *= invDet;\n\t\t\t\t\t\ts1 *= invDet;\n\t\t\t\t\t\tsqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// region 1\n\n\t\t\t\t\t\ts1 = segExtent;\n\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// region 5\n\n\t\t\t\t\ts1 = - segExtent;\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( s1 <= - extDet ) {\n\n\t\t\t\t\t// region 4\n\n\t\t\t\t\ts0 = Math.max( 0, - ( - a01 * segExtent + b0 ) );\n\t\t\t\t\ts1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t} else if ( s1 <= extDet ) {\n\n\t\t\t\t\t// region 3\n\n\t\t\t\t\ts0 = 0;\n\t\t\t\t\ts1 = Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// region 2\n\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * segExtent + b0 ) );\n\t\t\t\t\ts1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// Ray and segment are parallel.\n\n\t\t\ts1 = ( a01 > 0 ) ? - segExtent : segExtent;\n\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t}\n\n\t\tif ( optionalPointOnRay ) {\n\n\t\t\toptionalPointOnRay.copy( this.origin ).addScaledVector( this.direction, s0 );\n\n\t\t}\n\n\t\tif ( optionalPointOnSegment ) {\n\n\t\t\toptionalPointOnSegment.copy( _segCenter ).addScaledVector( _segDir, s1 );\n\n\t\t}\n\n\t\treturn sqrDist;\n\n\t}\n\n\tintersectSphere( sphere, target ) {\n\n\t\t_vector$a.subVectors( sphere.center, this.origin );\n\t\tconst tca = _vector$a.dot( this.direction );\n\t\tconst d2 = _vector$a.dot( _vector$a ) - tca * tca;\n\t\tconst radius2 = sphere.radius * sphere.radius;\n\n\t\tif ( d2 > radius2 ) return null;\n\n\t\tconst thc = Math.sqrt( radius2 - d2 );\n\n\t\t// t0 = first intersect point - entrance on front of sphere\n\t\tconst t0 = tca - thc;\n\n\t\t// t1 = second intersect point - exit point on back of sphere\n\t\tconst t1 = tca + thc;\n\n\t\t// test to see if t1 is behind the ray - if so, return null\n\t\tif ( t1 < 0 ) return null;\n\n\t\t// test to see if t0 is behind the ray:\n\t\t// if it is, the ray is inside the sphere, so return the second exit point scaled by t1,\n\t\t// in order to always return an intersect point that is in front of the ray.\n\t\tif ( t0 < 0 ) return this.at( t1, target );\n\n\t\t// else t0 is in front of the ray, so return the first collision point scaled by t0\n\t\treturn this.at( t0, target );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\treturn this.distanceSqToPoint( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t}\n\n\tdistanceToPlane( plane ) {\n\n\t\tconst denominator = plane.normal.dot( this.direction );\n\n\t\tif ( denominator === 0 ) {\n\n\t\t\t// line is coplanar, return origin\n\t\t\tif ( plane.distanceToPoint( this.origin ) === 0 ) {\n\n\t\t\t\treturn 0;\n\n\t\t\t}\n\n\t\t\t// Null is preferable to undefined since undefined means.... it is undefined\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator;\n\n\t\t// Return if the ray never intersects the plane\n\n\t\treturn t >= 0 ? t : null;\n\n\t}\n\n\tintersectPlane( plane, target ) {\n\n\t\tconst t = this.distanceToPlane( plane );\n\n\t\tif ( t === null ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\treturn this.at( t, target );\n\n\t}\n\n\tintersectsPlane( plane ) {\n\n\t\t// check if the ray lies on the plane first\n\n\t\tconst distToPoint = plane.distanceToPoint( this.origin );\n\n\t\tif ( distToPoint === 0 ) {\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\tconst denominator = plane.normal.dot( this.direction );\n\n\t\tif ( denominator * distToPoint < 0 ) {\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\t// ray origin is behind the plane (and is pointing behind it)\n\n\t\treturn false;\n\n\t}\n\n\tintersectBox( box, target ) {\n\n\t\tlet tmin, tmax, tymin, tymax, tzmin, tzmax;\n\n\t\tconst invdirx = 1 / this.direction.x,\n\t\t\tinvdiry = 1 / this.direction.y,\n\t\t\tinvdirz = 1 / this.direction.z;\n\n\t\tconst origin = this.origin;\n\n\t\tif ( invdirx >= 0 ) {\n\n\t\t\ttmin = ( box.min.x - origin.x ) * invdirx;\n\t\t\ttmax = ( box.max.x - origin.x ) * invdirx;\n\n\t\t} else {\n\n\t\t\ttmin = ( box.max.x - origin.x ) * invdirx;\n\t\t\ttmax = ( box.min.x - origin.x ) * invdirx;\n\n\t\t}\n\n\t\tif ( invdiry >= 0 ) {\n\n\t\t\ttymin = ( box.min.y - origin.y ) * invdiry;\n\t\t\ttymax = ( box.max.y - origin.y ) * invdiry;\n\n\t\t} else {\n\n\t\t\ttymin = ( box.max.y - origin.y ) * invdiry;\n\t\t\ttymax = ( box.min.y - origin.y ) * invdiry;\n\n\t\t}\n\n\t\tif ( ( tmin > tymax ) || ( tymin > tmax ) ) return null;\n\n\t\tif ( tymin > tmin || isNaN( tmin ) ) tmin = tymin;\n\n\t\tif ( tymax < tmax || isNaN( tmax ) ) tmax = tymax;\n\n\t\tif ( invdirz >= 0 ) {\n\n\t\t\ttzmin = ( box.min.z - origin.z ) * invdirz;\n\t\t\ttzmax = ( box.max.z - origin.z ) * invdirz;\n\n\t\t} else {\n\n\t\t\ttzmin = ( box.max.z - origin.z ) * invdirz;\n\t\t\ttzmax = ( box.min.z - origin.z ) * invdirz;\n\n\t\t}\n\n\t\tif ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null;\n\n\t\tif ( tzmin > tmin || tmin !== tmin ) tmin = tzmin;\n\n\t\tif ( tzmax < tmax || tmax !== tmax ) tmax = tzmax;\n\n\t\t//return point closest to the ray (positive side)\n\n\t\tif ( tmax < 0 ) return null;\n\n\t\treturn this.at( tmin >= 0 ? tmin : tmax, target );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn this.intersectBox( box, _vector$a ) !== null;\n\n\t}\n\n\tintersectTriangle( a, b, c, backfaceCulling, target ) {\n\n\t\t// Compute the offset origin, edges, and normal.\n\n\t\t// from https://github.com/pmjoniak/GeometricTools/blob/master/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h\n\n\t\t_edge1.subVectors( b, a );\n\t\t_edge2.subVectors( c, a );\n\t\t_normal$1.crossVectors( _edge1, _edge2 );\n\n\t\t// Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction,\n\t\t// E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by\n\t\t// |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2))\n\t\t// |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q))\n\t\t// |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N)\n\t\tlet DdN = this.direction.dot( _normal$1 );\n\t\tlet sign;\n\n\t\tif ( DdN > 0 ) {\n\n\t\t\tif ( backfaceCulling ) return null;\n\t\t\tsign = 1;\n\n\t\t} else if ( DdN < 0 ) {\n\n\t\t\tsign = - 1;\n\t\t\tDdN = - DdN;\n\n\t\t} else {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t_diff.subVectors( this.origin, a );\n\t\tconst DdQxE2 = sign * this.direction.dot( _edge2.crossVectors( _diff, _edge2 ) );\n\n\t\t// b1 < 0, no intersection\n\t\tif ( DdQxE2 < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst DdE1xQ = sign * this.direction.dot( _edge1.cross( _diff ) );\n\n\t\t// b2 < 0, no intersection\n\t\tif ( DdE1xQ < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// b1+b2 > 1, no intersection\n\t\tif ( DdQxE2 + DdE1xQ > DdN ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// Line intersects triangle, check if ray does.\n\t\tconst QdN = - sign * _diff.dot( _normal$1 );\n\n\t\t// t < 0, no intersection\n\t\tif ( QdN < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// Ray intersects triangle.\n\t\treturn this.at( QdN / DdN, target );\n\n\t}\n\n\tapplyMatrix4( matrix4 ) {\n\n\t\tthis.origin.applyMatrix4( matrix4 );\n\t\tthis.direction.transformDirection( matrix4 );\n\n\t\treturn this;\n\n\t}\n\n\tequals( ray ) {\n\n\t\treturn ray.origin.equals( this.origin ) && ray.direction.equals( this.direction );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nclass Matrix4 {\n\n\tconstructor( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {\n\n\t\tMatrix4.prototype.isMatrix4 = true;\n\n\t\tthis.elements = [\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t];\n\n\t\tif ( n11 !== undefined ) {\n\n\t\t\tthis.set( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 );\n\n\t\t}\n\n\t}\n\n\tset( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14;\n\t\tte[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24;\n\t\tte[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34;\n\t\tte[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44;\n\n\t\treturn this;\n\n\t}\n\n\tidentity() {\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new Matrix4().fromArray( this.elements );\n\n\t}\n\n\tcopy( m ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tte[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ]; te[ 3 ] = me[ 3 ];\n\t\tte[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ]; te[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ];\n\t\tte[ 8 ] = me[ 8 ]; te[ 9 ] = me[ 9 ]; te[ 10 ] = me[ 10 ]; te[ 11 ] = me[ 11 ];\n\t\tte[ 12 ] = me[ 12 ]; te[ 13 ] = me[ 13 ]; te[ 14 ] = me[ 14 ]; te[ 15 ] = me[ 15 ];\n\n\t\treturn this;\n\n\t}\n\n\tcopyPosition( m ) {\n\n\t\tconst te = this.elements, me = m.elements;\n\n\t\tte[ 12 ] = me[ 12 ];\n\t\tte[ 13 ] = me[ 13 ];\n\t\tte[ 14 ] = me[ 14 ];\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrix3( m ) {\n\n\t\tconst me = m.elements;\n\n\t\tthis.set(\n\n\t\t\tme[ 0 ], me[ 3 ], me[ 6 ], 0,\n\t\t\tme[ 1 ], me[ 4 ], me[ 7 ], 0,\n\t\t\tme[ 2 ], me[ 5 ], me[ 8 ], 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\textractBasis( xAxis, yAxis, zAxis ) {\n\n\t\txAxis.setFromMatrixColumn( this, 0 );\n\t\tyAxis.setFromMatrixColumn( this, 1 );\n\t\tzAxis.setFromMatrixColumn( this, 2 );\n\n\t\treturn this;\n\n\t}\n\n\tmakeBasis( xAxis, yAxis, zAxis ) {\n\n\t\tthis.set(\n\t\t\txAxis.x, yAxis.x, zAxis.x, 0,\n\t\t\txAxis.y, yAxis.y, zAxis.y, 0,\n\t\t\txAxis.z, yAxis.z, zAxis.z, 0,\n\t\t\t0, 0, 0, 1\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\textractRotation( m ) {\n\n\t\t// this method does not support reflection matrices\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tconst scaleX = 1 / _v1$5.setFromMatrixColumn( m, 0 ).length();\n\t\tconst scaleY = 1 / _v1$5.setFromMatrixColumn( m, 1 ).length();\n\t\tconst scaleZ = 1 / _v1$5.setFromMatrixColumn( m, 2 ).length();\n\n\t\tte[ 0 ] = me[ 0 ] * scaleX;\n\t\tte[ 1 ] = me[ 1 ] * scaleX;\n\t\tte[ 2 ] = me[ 2 ] * scaleX;\n\t\tte[ 3 ] = 0;\n\n\t\tte[ 4 ] = me[ 4 ] * scaleY;\n\t\tte[ 5 ] = me[ 5 ] * scaleY;\n\t\tte[ 6 ] = me[ 6 ] * scaleY;\n\t\tte[ 7 ] = 0;\n\n\t\tte[ 8 ] = me[ 8 ] * scaleZ;\n\t\tte[ 9 ] = me[ 9 ] * scaleZ;\n\t\tte[ 10 ] = me[ 10 ] * scaleZ;\n\t\tte[ 11 ] = 0;\n\n\t\tte[ 12 ] = 0;\n\t\tte[ 13 ] = 0;\n\t\tte[ 14 ] = 0;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationFromEuler( euler ) {\n\n\t\tconst te = this.elements;\n\n\t\tconst x = euler.x, y = euler.y, z = euler.z;\n\t\tconst a = Math.cos( x ), b = Math.sin( x );\n\t\tconst c = Math.cos( y ), d = Math.sin( y );\n\t\tconst e = Math.cos( z ), f = Math.sin( z );\n\n\t\tif ( euler.order === 'XYZ' ) {\n\n\t\t\tconst ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = - c * f;\n\t\t\tte[ 8 ] = d;\n\n\t\t\tte[ 1 ] = af + be * d;\n\t\t\tte[ 5 ] = ae - bf * d;\n\t\t\tte[ 9 ] = - b * c;\n\n\t\t\tte[ 2 ] = bf - ae * d;\n\t\t\tte[ 6 ] = be + af * d;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'YXZ' ) {\n\n\t\t\tconst ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\tte[ 0 ] = ce + df * b;\n\t\t\tte[ 4 ] = de * b - cf;\n\t\t\tte[ 8 ] = a * d;\n\n\t\t\tte[ 1 ] = a * f;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = - b;\n\n\t\t\tte[ 2 ] = cf * b - de;\n\t\t\tte[ 6 ] = df + ce * b;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'ZXY' ) {\n\n\t\t\tconst ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\tte[ 0 ] = ce - df * b;\n\t\t\tte[ 4 ] = - a * f;\n\t\t\tte[ 8 ] = de + cf * b;\n\n\t\t\tte[ 1 ] = cf + de * b;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = df - ce * b;\n\n\t\t\tte[ 2 ] = - a * d;\n\t\t\tte[ 6 ] = b;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'ZYX' ) {\n\n\t\t\tconst ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = be * d - af;\n\t\t\tte[ 8 ] = ae * d + bf;\n\n\t\t\tte[ 1 ] = c * f;\n\t\t\tte[ 5 ] = bf * d + ae;\n\t\t\tte[ 9 ] = af * d - be;\n\n\t\t\tte[ 2 ] = - d;\n\t\t\tte[ 6 ] = b * c;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'YZX' ) {\n\n\t\t\tconst ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = bd - ac * f;\n\t\t\tte[ 8 ] = bc * f + ad;\n\n\t\t\tte[ 1 ] = f;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = - b * e;\n\n\t\t\tte[ 2 ] = - d * e;\n\t\t\tte[ 6 ] = ad * f + bc;\n\t\t\tte[ 10 ] = ac - bd * f;\n\n\t\t} else if ( euler.order === 'XZY' ) {\n\n\t\t\tconst ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = - f;\n\t\t\tte[ 8 ] = d * e;\n\n\t\t\tte[ 1 ] = ac * f + bd;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = ad * f - bc;\n\n\t\t\tte[ 2 ] = bc * f - ad;\n\t\t\tte[ 6 ] = b * e;\n\t\t\tte[ 10 ] = bd * f + ac;\n\n\t\t}\n\n\t\t// bottom row\n\t\tte[ 3 ] = 0;\n\t\tte[ 7 ] = 0;\n\t\tte[ 11 ] = 0;\n\n\t\t// last column\n\t\tte[ 12 ] = 0;\n\t\tte[ 13 ] = 0;\n\t\tte[ 14 ] = 0;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationFromQuaternion( q ) {\n\n\t\treturn this.compose( _zero, q, _one );\n\n\t}\n\n\tlookAt( eye, target, up ) {\n\n\t\tconst te = this.elements;\n\n\t\t_z.subVectors( eye, target );\n\n\t\tif ( _z.lengthSq() === 0 ) {\n\n\t\t\t// eye and target are in the same position\n\n\t\t\t_z.z = 1;\n\n\t\t}\n\n\t\t_z.normalize();\n\t\t_x.crossVectors( up, _z );\n\n\t\tif ( _x.lengthSq() === 0 ) {\n\n\t\t\t// up and z are parallel\n\n\t\t\tif ( Math.abs( up.z ) === 1 ) {\n\n\t\t\t\t_z.x += 0.0001;\n\n\t\t\t} else {\n\n\t\t\t\t_z.z += 0.0001;\n\n\t\t\t}\n\n\t\t\t_z.normalize();\n\t\t\t_x.crossVectors( up, _z );\n\n\t\t}\n\n\t\t_x.normalize();\n\t\t_y.crossVectors( _z, _x );\n\n\t\tte[ 0 ] = _x.x; te[ 4 ] = _y.x; te[ 8 ] = _z.x;\n\t\tte[ 1 ] = _x.y; te[ 5 ] = _y.y; te[ 9 ] = _z.y;\n\t\tte[ 2 ] = _x.z; te[ 6 ] = _y.z; te[ 10 ] = _z.z;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( m ) {\n\n\t\treturn this.multiplyMatrices( this, m );\n\n\t}\n\n\tpremultiply( m ) {\n\n\t\treturn this.multiplyMatrices( m, this );\n\n\t}\n\n\tmultiplyMatrices( a, b ) {\n\n\t\tconst ae = a.elements;\n\t\tconst be = b.elements;\n\t\tconst te = this.elements;\n\n\t\tconst a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ];\n\t\tconst a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ];\n\t\tconst a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ];\n\t\tconst a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ];\n\n\t\tconst b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ];\n\t\tconst b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ];\n\t\tconst b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ];\n\t\tconst b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ];\n\n\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41;\n\t\tte[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42;\n\t\tte[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43;\n\t\tte[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44;\n\n\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41;\n\t\tte[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42;\n\t\tte[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43;\n\t\tte[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44;\n\n\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41;\n\t\tte[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42;\n\t\tte[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43;\n\t\tte[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44;\n\n\t\tte[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41;\n\t\tte[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42;\n\t\tte[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43;\n\t\tte[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( s ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s;\n\t\tte[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s;\n\t\tte[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s;\n\t\tte[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s;\n\n\t\treturn this;\n\n\t}\n\n\tdeterminant() {\n\n\t\tconst te = this.elements;\n\n\t\tconst n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ];\n\t\tconst n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ];\n\t\tconst n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ];\n\t\tconst n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ];\n\n\t\t//TODO: make this more efficient\n\t\t//( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm )\n\n\t\treturn (\n\t\t\tn41 * (\n\t\t\t\t+ n14 * n23 * n32\n\t\t\t\t - n13 * n24 * n32\n\t\t\t\t - n14 * n22 * n33\n\t\t\t\t + n12 * n24 * n33\n\t\t\t\t + n13 * n22 * n34\n\t\t\t\t - n12 * n23 * n34\n\t\t\t) +\n\t\t\tn42 * (\n\t\t\t\t+ n11 * n23 * n34\n\t\t\t\t - n11 * n24 * n33\n\t\t\t\t + n14 * n21 * n33\n\t\t\t\t - n13 * n21 * n34\n\t\t\t\t + n13 * n24 * n31\n\t\t\t\t - n14 * n23 * n31\n\t\t\t) +\n\t\t\tn43 * (\n\t\t\t\t+ n11 * n24 * n32\n\t\t\t\t - n11 * n22 * n34\n\t\t\t\t - n14 * n21 * n32\n\t\t\t\t + n12 * n21 * n34\n\t\t\t\t + n14 * n22 * n31\n\t\t\t\t - n12 * n24 * n31\n\t\t\t) +\n\t\t\tn44 * (\n\t\t\t\t- n13 * n22 * n31\n\t\t\t\t - n11 * n23 * n32\n\t\t\t\t + n11 * n22 * n33\n\t\t\t\t + n13 * n21 * n32\n\t\t\t\t - n12 * n21 * n33\n\t\t\t\t + n12 * n23 * n31\n\t\t\t)\n\n\t\t);\n\n\t}\n\n\ttranspose() {\n\n\t\tconst te = this.elements;\n\t\tlet tmp;\n\n\t\ttmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp;\n\t\ttmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp;\n\t\ttmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp;\n\n\t\ttmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp;\n\t\ttmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp;\n\t\ttmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp;\n\n\t\treturn this;\n\n\t}\n\n\tsetPosition( x, y, z ) {\n\n\t\tconst te = this.elements;\n\n\t\tif ( x.isVector3 ) {\n\n\t\t\tte[ 12 ] = x.x;\n\t\t\tte[ 13 ] = x.y;\n\t\t\tte[ 14 ] = x.z;\n\n\t\t} else {\n\n\t\t\tte[ 12 ] = x;\n\t\t\tte[ 13 ] = y;\n\t\t\tte[ 14 ] = z;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tinvert() {\n\n\t\t// based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm\n\t\tconst te = this.elements,\n\n\t\t\tn11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ], n41 = te[ 3 ],\n\t\t\tn12 = te[ 4 ], n22 = te[ 5 ], n32 = te[ 6 ], n42 = te[ 7 ],\n\t\t\tn13 = te[ 8 ], n23 = te[ 9 ], n33 = te[ 10 ], n43 = te[ 11 ],\n\t\t\tn14 = te[ 12 ], n24 = te[ 13 ], n34 = te[ 14 ], n44 = te[ 15 ],\n\n\t\t\tt11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44,\n\t\t\tt12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44,\n\t\t\tt13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44,\n\t\t\tt14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34;\n\n\t\tconst det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14;\n\n\t\tif ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 );\n\n\t\tconst detInv = 1 / det;\n\n\t\tte[ 0 ] = t11 * detInv;\n\t\tte[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv;\n\t\tte[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv;\n\t\tte[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv;\n\n\t\tte[ 4 ] = t12 * detInv;\n\t\tte[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv;\n\t\tte[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv;\n\t\tte[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv;\n\n\t\tte[ 8 ] = t13 * detInv;\n\t\tte[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv;\n\t\tte[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv;\n\t\tte[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv;\n\n\t\tte[ 12 ] = t14 * detInv;\n\t\tte[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv;\n\t\tte[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv;\n\t\tte[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv;\n\n\t\treturn this;\n\n\t}\n\n\tscale( v ) {\n\n\t\tconst te = this.elements;\n\t\tconst x = v.x, y = v.y, z = v.z;\n\n\t\tte[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z;\n\t\tte[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z;\n\t\tte[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z;\n\t\tte[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z;\n\n\t\treturn this;\n\n\t}\n\n\tgetMaxScaleOnAxis() {\n\n\t\tconst te = this.elements;\n\n\t\tconst scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ];\n\t\tconst scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ];\n\t\tconst scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ];\n\n\t\treturn Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) );\n\n\t}\n\n\tmakeTranslation( x, y, z ) {\n\n\t\tif ( x.isVector3 ) {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, x.x,\n\t\t\t\t0, 1, 0, x.y,\n\t\t\t\t0, 0, 1, x.z,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t} else {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, x,\n\t\t\t\t0, 1, 0, y,\n\t\t\t\t0, 0, 1, z,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationX( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, c, - s, 0,\n\t\t\t0, s, c, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationY( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\t c, 0, s, 0,\n\t\t\t 0, 1, 0, 0,\n\t\t\t- s, 0, c, 0,\n\t\t\t 0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationZ( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\tc, - s, 0, 0,\n\t\t\ts, c, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationAxis( axis, angle ) {\n\n\t\t// Based on http://www.gamedev.net/reference/articles/article1199.asp\n\n\t\tconst c = Math.cos( angle );\n\t\tconst s = Math.sin( angle );\n\t\tconst t = 1 - c;\n\t\tconst x = axis.x, y = axis.y, z = axis.z;\n\t\tconst tx = t * x, ty = t * y;\n\n\t\tthis.set(\n\n\t\t\ttx * x + c, tx * y - s * z, tx * z + s * y, 0,\n\t\t\ttx * y + s * z, ty * y + c, ty * z - s * x, 0,\n\t\t\ttx * z - s * y, ty * z + s * x, t * z * z + c, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeScale( x, y, z ) {\n\n\t\tthis.set(\n\n\t\t\tx, 0, 0, 0,\n\t\t\t0, y, 0, 0,\n\t\t\t0, 0, z, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeShear( xy, xz, yx, yz, zx, zy ) {\n\n\t\tthis.set(\n\n\t\t\t1, yx, zx, 0,\n\t\t\txy, 1, zy, 0,\n\t\t\txz, yz, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tcompose( position, quaternion, scale ) {\n\n\t\tconst te = this.elements;\n\n\t\tconst x = quaternion._x, y = quaternion._y, z = quaternion._z, w = quaternion._w;\n\t\tconst x2 = x + x,\ty2 = y + y, z2 = z + z;\n\t\tconst xx = x * x2, xy = x * y2, xz = x * z2;\n\t\tconst yy = y * y2, yz = y * z2, zz = z * z2;\n\t\tconst wx = w * x2, wy = w * y2, wz = w * z2;\n\n\t\tconst sx = scale.x, sy = scale.y, sz = scale.z;\n\n\t\tte[ 0 ] = ( 1 - ( yy + zz ) ) * sx;\n\t\tte[ 1 ] = ( xy + wz ) * sx;\n\t\tte[ 2 ] = ( xz - wy ) * sx;\n\t\tte[ 3 ] = 0;\n\n\t\tte[ 4 ] = ( xy - wz ) * sy;\n\t\tte[ 5 ] = ( 1 - ( xx + zz ) ) * sy;\n\t\tte[ 6 ] = ( yz + wx ) * sy;\n\t\tte[ 7 ] = 0;\n\n\t\tte[ 8 ] = ( xz + wy ) * sz;\n\t\tte[ 9 ] = ( yz - wx ) * sz;\n\t\tte[ 10 ] = ( 1 - ( xx + yy ) ) * sz;\n\t\tte[ 11 ] = 0;\n\n\t\tte[ 12 ] = position.x;\n\t\tte[ 13 ] = position.y;\n\t\tte[ 14 ] = position.z;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tdecompose( position, quaternion, scale ) {\n\n\t\tconst te = this.elements;\n\n\t\tlet sx = _v1$5.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length();\n\t\tconst sy = _v1$5.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length();\n\t\tconst sz = _v1$5.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length();\n\n\t\t// if determine is negative, we need to invert one scale\n\t\tconst det = this.determinant();\n\t\tif ( det < 0 ) sx = - sx;\n\n\t\tposition.x = te[ 12 ];\n\t\tposition.y = te[ 13 ];\n\t\tposition.z = te[ 14 ];\n\n\t\t// scale the rotation part\n\t\t_m1$2.copy( this );\n\n\t\tconst invSX = 1 / sx;\n\t\tconst invSY = 1 / sy;\n\t\tconst invSZ = 1 / sz;\n\n\t\t_m1$2.elements[ 0 ] *= invSX;\n\t\t_m1$2.elements[ 1 ] *= invSX;\n\t\t_m1$2.elements[ 2 ] *= invSX;\n\n\t\t_m1$2.elements[ 4 ] *= invSY;\n\t\t_m1$2.elements[ 5 ] *= invSY;\n\t\t_m1$2.elements[ 6 ] *= invSY;\n\n\t\t_m1$2.elements[ 8 ] *= invSZ;\n\t\t_m1$2.elements[ 9 ] *= invSZ;\n\t\t_m1$2.elements[ 10 ] *= invSZ;\n\n\t\tquaternion.setFromRotationMatrix( _m1$2 );\n\n\t\tscale.x = sx;\n\t\tscale.y = sy;\n\t\tscale.z = sz;\n\n\t\treturn this;\n\n\t}\n\n\tmakePerspective( left, right, top, bottom, near, far, coordinateSystem = WebGLCoordinateSystem ) {\n\n\t\tconst te = this.elements;\n\t\tconst x = 2 * near / ( right - left );\n\t\tconst y = 2 * near / ( top - bottom );\n\n\t\tconst a = ( right + left ) / ( right - left );\n\t\tconst b = ( top + bottom ) / ( top - bottom );\n\n\t\tlet c, d;\n\n\t\tif ( coordinateSystem === WebGLCoordinateSystem ) {\n\n\t\t\tc = - ( far + near ) / ( far - near );\n\t\t\td = ( - 2 * far * near ) / ( far - near );\n\n\t\t} else if ( coordinateSystem === WebGPUCoordinateSystem ) {\n\n\t\t\tc = - far / ( far - near );\n\t\t\td = ( - far * near ) / ( far - near );\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'THREE.Matrix4.makePerspective(): Invalid coordinate system: ' + coordinateSystem );\n\n\t\t}\n\n\t\tte[ 0 ] = x;\tte[ 4 ] = 0;\tte[ 8 ] = a; \tte[ 12 ] = 0;\n\t\tte[ 1 ] = 0;\tte[ 5 ] = y;\tte[ 9 ] = b; \tte[ 13 ] = 0;\n\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = c; \tte[ 14 ] = d;\n\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = - 1;\tte[ 15 ] = 0;\n\n\t\treturn this;\n\n\t}\n\n\tmakeOrthographic( left, right, top, bottom, near, far, coordinateSystem = WebGLCoordinateSystem ) {\n\n\t\tconst te = this.elements;\n\t\tconst w = 1.0 / ( right - left );\n\t\tconst h = 1.0 / ( top - bottom );\n\t\tconst p = 1.0 / ( far - near );\n\n\t\tconst x = ( right + left ) * w;\n\t\tconst y = ( top + bottom ) * h;\n\n\t\tlet z, zInv;\n\n\t\tif ( coordinateSystem === WebGLCoordinateSystem ) {\n\n\t\t\tz = ( far + near ) * p;\n\t\t\tzInv = - 2 * p;\n\n\t\t} else if ( coordinateSystem === WebGPUCoordinateSystem ) {\n\n\t\t\tz = near * p;\n\t\t\tzInv = - 1 * p;\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'THREE.Matrix4.makeOrthographic(): Invalid coordinate system: ' + coordinateSystem );\n\n\t\t}\n\n\t\tte[ 0 ] = 2 * w;\tte[ 4 ] = 0;\t\tte[ 8 ] = 0; \t\tte[ 12 ] = - x;\n\t\tte[ 1 ] = 0; \t\tte[ 5 ] = 2 * h;\tte[ 9 ] = 0; \t\tte[ 13 ] = - y;\n\t\tte[ 2 ] = 0; \t\tte[ 6 ] = 0;\t\tte[ 10 ] = zInv;\tte[ 14 ] = - z;\n\t\tte[ 3 ] = 0; \t\tte[ 7 ] = 0;\t\tte[ 11 ] = 0;\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tequals( matrix ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = matrix.elements;\n\n\t\tfor ( let i = 0; i < 16; i ++ ) {\n\n\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tfor ( let i = 0; i < 16; i ++ ) {\n\n\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst te = this.elements;\n\n\t\tarray[ offset ] = te[ 0 ];\n\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\tarray[ offset + 2 ] = te[ 2 ];\n\t\tarray[ offset + 3 ] = te[ 3 ];\n\n\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\tarray[ offset + 5 ] = te[ 5 ];\n\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\tarray[ offset + 7 ] = te[ 7 ];\n\n\t\tarray[ offset + 8 ] = te[ 8 ];\n\t\tarray[ offset + 9 ] = te[ 9 ];\n\t\tarray[ offset + 10 ] = te[ 10 ];\n\t\tarray[ offset + 11 ] = te[ 11 ];\n\n\t\tarray[ offset + 12 ] = te[ 12 ];\n\t\tarray[ offset + 13 ] = te[ 13 ];\n\t\tarray[ offset + 14 ] = te[ 14 ];\n\t\tarray[ offset + 15 ] = te[ 15 ];\n\n\t\treturn array;\n\n\t}\n\n}\n\nconst _v1$5 = /*@__PURE__*/ new Vector3();\nconst _m1$2 = /*@__PURE__*/ new Matrix4();\nconst _zero = /*@__PURE__*/ new Vector3( 0, 0, 0 );\nconst _one = /*@__PURE__*/ new Vector3( 1, 1, 1 );\nconst _x = /*@__PURE__*/ new Vector3();\nconst _y = /*@__PURE__*/ new Vector3();\nconst _z = /*@__PURE__*/ new Vector3();\n\nconst _matrix$2 = /*@__PURE__*/ new Matrix4();\nconst _quaternion$3 = /*@__PURE__*/ new Quaternion();\n\nclass Euler {\n\n\tconstructor( x = 0, y = 0, z = 0, order = Euler.DEFAULT_ORDER ) {\n\n\t\tthis.isEuler = true;\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._order = order;\n\n\t}\n\n\tget x() {\n\n\t\treturn this._x;\n\n\t}\n\n\tset x( value ) {\n\n\t\tthis._x = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget y() {\n\n\t\treturn this._y;\n\n\t}\n\n\tset y( value ) {\n\n\t\tthis._y = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget z() {\n\n\t\treturn this._z;\n\n\t}\n\n\tset z( value ) {\n\n\t\tthis._z = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget order() {\n\n\t\treturn this._order;\n\n\t}\n\n\tset order( value ) {\n\n\t\tthis._order = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tset( x, y, z, order = this._order ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._order = order;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this._x, this._y, this._z, this._order );\n\n\t}\n\n\tcopy( euler ) {\n\n\t\tthis._x = euler._x;\n\t\tthis._y = euler._y;\n\t\tthis._z = euler._z;\n\t\tthis._order = euler._order;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromRotationMatrix( m, order = this._order, update = true ) {\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tconst te = m.elements;\n\t\tconst m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ];\n\t\tconst m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ];\n\t\tconst m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\tswitch ( order ) {\n\n\t\t\tcase 'XYZ':\n\n\t\t\t\tthis._y = Math.asin( clamp( m13, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m13 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'YXZ':\n\n\t\t\t\tthis._x = Math.asin( - clamp( m23, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m23 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZXY':\n\n\t\t\t\tthis._x = Math.asin( clamp( m32, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m32 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = 0;\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZYX':\n\n\t\t\t\tthis._y = Math.asin( - clamp( m31, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m31 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'YZX':\n\n\t\t\t\tthis._z = Math.asin( clamp( m21, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m21 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m22 );\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'XZY':\n\n\t\t\t\tthis._z = Math.asin( - clamp( m12, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m12 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._y = Math.atan2( m13, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._y = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\n\t\t\t\tconsole.warn( 'THREE.Euler: .setFromRotationMatrix() encountered an unknown order: ' + order );\n\n\t\t}\n\n\t\tthis._order = order;\n\n\t\tif ( update === true ) this._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromQuaternion( q, order, update ) {\n\n\t\t_matrix$2.makeRotationFromQuaternion( q );\n\n\t\treturn this.setFromRotationMatrix( _matrix$2, order, update );\n\n\t}\n\n\tsetFromVector3( v, order = this._order ) {\n\n\t\treturn this.set( v.x, v.y, v.z, order );\n\n\t}\n\n\treorder( newOrder ) {\n\n\t\t// WARNING: this discards revolution information -bhouston\n\n\t\t_quaternion$3.setFromEuler( this );\n\n\t\treturn this.setFromQuaternion( _quaternion$3, newOrder );\n\n\t}\n\n\tequals( euler ) {\n\n\t\treturn ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order );\n\n\t}\n\n\tfromArray( array ) {\n\n\t\tthis._x = array[ 0 ];\n\t\tthis._y = array[ 1 ];\n\t\tthis._z = array[ 2 ];\n\t\tif ( array[ 3 ] !== undefined ) this._order = array[ 3 ];\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this._x;\n\t\tarray[ offset + 1 ] = this._y;\n\t\tarray[ offset + 2 ] = this._z;\n\t\tarray[ offset + 3 ] = this._order;\n\n\t\treturn array;\n\n\t}\n\n\t_onChange( callback ) {\n\n\t\tthis._onChangeCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\t_onChangeCallback() {}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this._x;\n\t\tyield this._y;\n\t\tyield this._z;\n\t\tyield this._order;\n\n\t}\n\n}\n\nEuler.DEFAULT_ORDER = 'XYZ';\n\nclass Layers {\n\n\tconstructor() {\n\n\t\tthis.mask = 1 | 0;\n\n\t}\n\n\tset( channel ) {\n\n\t\tthis.mask = ( 1 << channel | 0 ) >>> 0;\n\n\t}\n\n\tenable( channel ) {\n\n\t\tthis.mask |= 1 << channel | 0;\n\n\t}\n\n\tenableAll() {\n\n\t\tthis.mask = 0xffffffff | 0;\n\n\t}\n\n\ttoggle( channel ) {\n\n\t\tthis.mask ^= 1 << channel | 0;\n\n\t}\n\n\tdisable( channel ) {\n\n\t\tthis.mask &= ~ ( 1 << channel | 0 );\n\n\t}\n\n\tdisableAll() {\n\n\t\tthis.mask = 0;\n\n\t}\n\n\ttest( layers ) {\n\n\t\treturn ( this.mask & layers.mask ) !== 0;\n\n\t}\n\n\tisEnabled( channel ) {\n\n\t\treturn ( this.mask & ( 1 << channel | 0 ) ) !== 0;\n\n\t}\n\n}\n\nlet _object3DId = 0;\n\nconst _v1$4 = /*@__PURE__*/ new Vector3();\nconst _q1 = /*@__PURE__*/ new Quaternion();\nconst _m1$1 = /*@__PURE__*/ new Matrix4();\nconst _target = /*@__PURE__*/ new Vector3();\n\nconst _position$3 = /*@__PURE__*/ new Vector3();\nconst _scale$2 = /*@__PURE__*/ new Vector3();\nconst _quaternion$2 = /*@__PURE__*/ new Quaternion();\n\nconst _xAxis = /*@__PURE__*/ new Vector3( 1, 0, 0 );\nconst _yAxis = /*@__PURE__*/ new Vector3( 0, 1, 0 );\nconst _zAxis = /*@__PURE__*/ new Vector3( 0, 0, 1 );\n\nconst _addedEvent = { type: 'added' };\nconst _removedEvent = { type: 'removed' };\n\nconst _childaddedEvent = { type: 'childadded', child: null };\nconst _childremovedEvent = { type: 'childremoved', child: null };\n\nclass Object3D extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isObject3D = true;\n\n\t\tObject.defineProperty( this, 'id', { value: _object3DId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Object3D';\n\n\t\tthis.parent = null;\n\t\tthis.children = [];\n\n\t\tthis.up = Object3D.DEFAULT_UP.clone();\n\n\t\tconst position = new Vector3();\n\t\tconst rotation = new Euler();\n\t\tconst quaternion = new Quaternion();\n\t\tconst scale = new Vector3( 1, 1, 1 );\n\n\t\tfunction onRotationChange() {\n\n\t\t\tquaternion.setFromEuler( rotation, false );\n\n\t\t}\n\n\t\tfunction onQuaternionChange() {\n\n\t\t\trotation.setFromQuaternion( quaternion, undefined, false );\n\n\t\t}\n\n\t\trotation._onChange( onRotationChange );\n\t\tquaternion._onChange( onQuaternionChange );\n\n\t\tObject.defineProperties( this, {\n\t\t\tposition: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: position\n\t\t\t},\n\t\t\trotation: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: rotation\n\t\t\t},\n\t\t\tquaternion: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: quaternion\n\t\t\t},\n\t\t\tscale: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: scale\n\t\t\t},\n\t\t\tmodelViewMatrix: {\n\t\t\t\tvalue: new Matrix4()\n\t\t\t},\n\t\t\tnormalMatrix: {\n\t\t\t\tvalue: new Matrix3()\n\t\t\t}\n\t\t} );\n\n\t\tthis.matrix = new Matrix4();\n\t\tthis.matrixWorld = new Matrix4();\n\n\t\tthis.matrixAutoUpdate = Object3D.DEFAULT_MATRIX_AUTO_UPDATE;\n\n\t\tthis.matrixWorldAutoUpdate = Object3D.DEFAULT_MATRIX_WORLD_AUTO_UPDATE; // checked by the renderer\n\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\tthis.layers = new Layers();\n\t\tthis.visible = true;\n\n\t\tthis.castShadow = false;\n\t\tthis.receiveShadow = false;\n\n\t\tthis.frustumCulled = true;\n\t\tthis.renderOrder = 0;\n\n\t\tthis.animations = [];\n\n\t\tthis.userData = {};\n\n\t}\n\n\tonBeforeShadow( /* renderer, object, camera, shadowCamera, geometry, depthMaterial, group */ ) {}\n\n\tonAfterShadow( /* renderer, object, camera, shadowCamera, geometry, depthMaterial, group */ ) {}\n\n\tonBeforeRender( /* renderer, scene, camera, geometry, material, group */ ) {}\n\n\tonAfterRender( /* renderer, scene, camera, geometry, material, group */ ) {}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tthis.matrix.premultiply( matrix );\n\n\t\tthis.matrix.decompose( this.position, this.quaternion, this.scale );\n\n\t}\n\n\tapplyQuaternion( q ) {\n\n\t\tthis.quaternion.premultiply( q );\n\n\t\treturn this;\n\n\t}\n\n\tsetRotationFromAxisAngle( axis, angle ) {\n\n\t\t// assumes axis is normalized\n\n\t\tthis.quaternion.setFromAxisAngle( axis, angle );\n\n\t}\n\n\tsetRotationFromEuler( euler ) {\n\n\t\tthis.quaternion.setFromEuler( euler, true );\n\n\t}\n\n\tsetRotationFromMatrix( m ) {\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tthis.quaternion.setFromRotationMatrix( m );\n\n\t}\n\n\tsetRotationFromQuaternion( q ) {\n\n\t\t// assumes q is normalized\n\n\t\tthis.quaternion.copy( q );\n\n\t}\n\n\trotateOnAxis( axis, angle ) {\n\n\t\t// rotate object on axis in object space\n\t\t// axis is assumed to be normalized\n\n\t\t_q1.setFromAxisAngle( axis, angle );\n\n\t\tthis.quaternion.multiply( _q1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateOnWorldAxis( axis, angle ) {\n\n\t\t// rotate object on axis in world space\n\t\t// axis is assumed to be normalized\n\t\t// method assumes no rotated parent\n\n\t\t_q1.setFromAxisAngle( axis, angle );\n\n\t\tthis.quaternion.premultiply( _q1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateX( angle ) {\n\n\t\treturn this.rotateOnAxis( _xAxis, angle );\n\n\t}\n\n\trotateY( angle ) {\n\n\t\treturn this.rotateOnAxis( _yAxis, angle );\n\n\t}\n\n\trotateZ( angle ) {\n\n\t\treturn this.rotateOnAxis( _zAxis, angle );\n\n\t}\n\n\ttranslateOnAxis( axis, distance ) {\n\n\t\t// translate object by distance along axis in object space\n\t\t// axis is assumed to be normalized\n\n\t\t_v1$4.copy( axis ).applyQuaternion( this.quaternion );\n\n\t\tthis.position.add( _v1$4.multiplyScalar( distance ) );\n\n\t\treturn this;\n\n\t}\n\n\ttranslateX( distance ) {\n\n\t\treturn this.translateOnAxis( _xAxis, distance );\n\n\t}\n\n\ttranslateY( distance ) {\n\n\t\treturn this.translateOnAxis( _yAxis, distance );\n\n\t}\n\n\ttranslateZ( distance ) {\n\n\t\treturn this.translateOnAxis( _zAxis, distance );\n\n\t}\n\n\tlocalToWorld( vector ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\treturn vector.applyMatrix4( this.matrixWorld );\n\n\t}\n\n\tworldToLocal( vector ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\treturn vector.applyMatrix4( _m1$1.copy( this.matrixWorld ).invert() );\n\n\t}\n\n\tlookAt( x, y, z ) {\n\n\t\t// This method does not support objects having non-uniformly-scaled parent(s)\n\n\t\tif ( x.isVector3 ) {\n\n\t\t\t_target.copy( x );\n\n\t\t} else {\n\n\t\t\t_target.set( x, y, z );\n\n\t\t}\n\n\t\tconst parent = this.parent;\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\t_position$3.setFromMatrixPosition( this.matrixWorld );\n\n\t\tif ( this.isCamera || this.isLight ) {\n\n\t\t\t_m1$1.lookAt( _position$3, _target, this.up );\n\n\t\t} else {\n\n\t\t\t_m1$1.lookAt( _target, _position$3, this.up );\n\n\t\t}\n\n\t\tthis.quaternion.setFromRotationMatrix( _m1$1 );\n\n\t\tif ( parent ) {\n\n\t\t\t_m1$1.extractRotation( parent.matrixWorld );\n\t\t\t_q1.setFromRotationMatrix( _m1$1 );\n\t\t\tthis.quaternion.premultiply( _q1.invert() );\n\n\t\t}\n\n\t}\n\n\tadd( object ) {\n\n\t\tif ( arguments.length > 1 ) {\n\n\t\t\tfor ( let i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\tthis.add( arguments[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( object === this ) {\n\n\t\t\tconsole.error( 'THREE.Object3D.add: object can\\'t be added as a child of itself.', object );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( object && object.isObject3D ) {\n\n\t\t\tobject.removeFromParent();\n\t\t\tobject.parent = this;\n\t\t\tthis.children.push( object );\n\n\t\t\tobject.dispatchEvent( _addedEvent );\n\n\t\t\t_childaddedEvent.child = object;\n\t\t\tthis.dispatchEvent( _childaddedEvent );\n\t\t\t_childaddedEvent.child = null;\n\n\t\t} else {\n\n\t\t\tconsole.error( 'THREE.Object3D.add: object not an instance of THREE.Object3D.', object );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tremove( object ) {\n\n\t\tif ( arguments.length > 1 ) {\n\n\t\t\tfor ( let i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\tthis.remove( arguments[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst index = this.children.indexOf( object );\n\n\t\tif ( index !== - 1 ) {\n\n\t\t\tobject.parent = null;\n\t\t\tthis.children.splice( index, 1 );\n\n\t\t\tobject.dispatchEvent( _removedEvent );\n\n\t\t\t_childremovedEvent.child = object;\n\t\t\tthis.dispatchEvent( _childremovedEvent );\n\t\t\t_childremovedEvent.child = null;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tremoveFromParent() {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( parent !== null ) {\n\n\t\t\tparent.remove( this );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclear() {\n\n\t\treturn this.remove( ... this.children );\n\n\t}\n\n\tattach( object ) {\n\n\t\t// adds object as a child of this, while maintaining the object's world transform\n\n\t\t// Note: This method does not support scene graphs having non-uniformly-scaled nodes(s)\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\t_m1$1.copy( this.matrixWorld ).invert();\n\n\t\tif ( object.parent !== null ) {\n\n\t\t\tobject.parent.updateWorldMatrix( true, false );\n\n\t\t\t_m1$1.multiply( object.parent.matrixWorld );\n\n\t\t}\n\n\t\tobject.applyMatrix4( _m1$1 );\n\n\t\tobject.removeFromParent();\n\t\tobject.parent = this;\n\t\tthis.children.push( object );\n\n\t\tobject.updateWorldMatrix( false, true );\n\n\t\tobject.dispatchEvent( _addedEvent );\n\n\t\t_childaddedEvent.child = object;\n\t\tthis.dispatchEvent( _childaddedEvent );\n\t\t_childaddedEvent.child = null;\n\n\t\treturn this;\n\n\t}\n\n\tgetObjectById( id ) {\n\n\t\treturn this.getObjectByProperty( 'id', id );\n\n\t}\n\n\tgetObjectByName( name ) {\n\n\t\treturn this.getObjectByProperty( 'name', name );\n\n\t}\n\n\tgetObjectByProperty( name, value ) {\n\n\t\tif ( this[ name ] === value ) return this;\n\n\t\tfor ( let i = 0, l = this.children.length; i < l; i ++ ) {\n\n\t\t\tconst child = this.children[ i ];\n\t\t\tconst object = child.getObjectByProperty( name, value );\n\n\t\t\tif ( object !== undefined ) {\n\n\t\t\t\treturn object;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn undefined;\n\n\t}\n\n\tgetObjectsByProperty( name, value, result = [] ) {\n\n\t\tif ( this[ name ] === value ) result.push( this );\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].getObjectsByProperty( name, value, result );\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n\tgetWorldPosition( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\treturn target.setFromMatrixPosition( this.matrixWorld );\n\n\t}\n\n\tgetWorldQuaternion( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tthis.matrixWorld.decompose( _position$3, target, _scale$2 );\n\n\t\treturn target;\n\n\t}\n\n\tgetWorldScale( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tthis.matrixWorld.decompose( _position$3, _quaternion$2, target );\n\n\t\treturn target;\n\n\t}\n\n\tgetWorldDirection( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tconst e = this.matrixWorld.elements;\n\n\t\treturn target.set( e[ 8 ], e[ 9 ], e[ 10 ] ).normalize();\n\n\t}\n\n\traycast( /* raycaster, intersects */ ) {}\n\n\ttraverse( callback ) {\n\n\t\tcallback( this );\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].traverse( callback );\n\n\t\t}\n\n\t}\n\n\ttraverseVisible( callback ) {\n\n\t\tif ( this.visible === false ) return;\n\n\t\tcallback( this );\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].traverseVisible( callback );\n\n\t\t}\n\n\t}\n\n\ttraverseAncestors( callback ) {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( parent !== null ) {\n\n\t\t\tcallback( parent );\n\n\t\t\tparent.traverseAncestors( callback );\n\n\t\t}\n\n\t}\n\n\tupdateMatrix() {\n\n\t\tthis.matrix.compose( this.position, this.quaternion, this.scale );\n\n\t\tthis.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tif ( this.matrixWorldNeedsUpdate || force ) {\n\n\t\t\tif ( this.matrixWorldAutoUpdate === true ) {\n\n\t\t\t\tif ( this.parent === null ) {\n\n\t\t\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\t\tforce = true;\n\n\t\t}\n\n\t\t// make sure descendants are updated if required\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tconst child = children[ i ];\n\n\t\t\tchild.updateMatrixWorld( force );\n\n\t\t}\n\n\t}\n\n\tupdateWorldMatrix( updateParents, updateChildren ) {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( updateParents === true && parent !== null ) {\n\n\t\t\tparent.updateWorldMatrix( true, false );\n\n\t\t}\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tif ( this.matrixWorldAutoUpdate === true ) {\n\n\t\t\tif ( this.parent === null ) {\n\n\t\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t\t} else {\n\n\t\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// make sure descendants are updated\n\n\t\tif ( updateChildren === true ) {\n\n\t\t\tconst children = this.children;\n\n\t\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = children[ i ];\n\n\t\t\t\tchild.updateWorldMatrix( false, true );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\t// meta is a string when called from JSON.stringify\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tconst output = {};\n\n\t\t// meta is a hash used to collect geometries, materials.\n\t\t// not providing it implies that this is the root object\n\t\t// being serialized.\n\t\tif ( isRootObject ) {\n\n\t\t\t// initialize meta obj\n\t\t\tmeta = {\n\t\t\t\tgeometries: {},\n\t\t\t\tmaterials: {},\n\t\t\t\ttextures: {},\n\t\t\t\timages: {},\n\t\t\t\tshapes: {},\n\t\t\t\tskeletons: {},\n\t\t\t\tanimations: {},\n\t\t\t\tnodes: {}\n\t\t\t};\n\n\t\t\toutput.metadata = {\n\t\t\t\tversion: 4.6,\n\t\t\t\ttype: 'Object',\n\t\t\t\tgenerator: 'Object3D.toJSON'\n\t\t\t};\n\n\t\t}\n\n\t\t// standard Object3D serialization\n\n\t\tconst object = {};\n\n\t\tobject.uuid = this.uuid;\n\t\tobject.type = this.type;\n\n\t\tif ( this.name !== '' ) object.name = this.name;\n\t\tif ( this.castShadow === true ) object.castShadow = true;\n\t\tif ( this.receiveShadow === true ) object.receiveShadow = true;\n\t\tif ( this.visible === false ) object.visible = false;\n\t\tif ( this.frustumCulled === false ) object.frustumCulled = false;\n\t\tif ( this.renderOrder !== 0 ) object.renderOrder = this.renderOrder;\n\t\tif ( Object.keys( this.userData ).length > 0 ) object.userData = this.userData;\n\n\t\tobject.layers = this.layers.mask;\n\t\tobject.matrix = this.matrix.toArray();\n\t\tobject.up = this.up.toArray();\n\n\t\tif ( this.matrixAutoUpdate === false ) object.matrixAutoUpdate = false;\n\n\t\t// object specific properties\n\n\t\tif ( this.isInstancedMesh ) {\n\n\t\t\tobject.type = 'InstancedMesh';\n\t\t\tobject.count = this.count;\n\t\t\tobject.instanceMatrix = this.instanceMatrix.toJSON();\n\t\t\tif ( this.instanceColor !== null ) object.instanceColor = this.instanceColor.toJSON();\n\n\t\t}\n\n\t\tif ( this.isBatchedMesh ) {\n\n\t\t\tobject.type = 'BatchedMesh';\n\t\t\tobject.perObjectFrustumCulled = this.perObjectFrustumCulled;\n\t\t\tobject.sortObjects = this.sortObjects;\n\n\t\t\tobject.drawRanges = this._drawRanges;\n\t\t\tobject.reservedRanges = this._reservedRanges;\n\n\t\t\tobject.visibility = this._visibility;\n\t\t\tobject.active = this._active;\n\t\t\tobject.bounds = this._bounds.map( bound => ( {\n\t\t\t\tboxInitialized: bound.boxInitialized,\n\t\t\t\tboxMin: bound.box.min.toArray(),\n\t\t\t\tboxMax: bound.box.max.toArray(),\n\n\t\t\t\tsphereInitialized: bound.sphereInitialized,\n\t\t\t\tsphereRadius: bound.sphere.radius,\n\t\t\t\tsphereCenter: bound.sphere.center.toArray()\n\t\t\t} ) );\n\n\t\t\tobject.maxInstanceCount = this._maxInstanceCount;\n\t\t\tobject.maxVertexCount = this._maxVertexCount;\n\t\t\tobject.maxIndexCount = this._maxIndexCount;\n\n\t\t\tobject.geometryInitialized = this._geometryInitialized;\n\t\t\tobject.geometryCount = this._geometryCount;\n\n\t\t\tobject.matricesTexture = this._matricesTexture.toJSON( meta );\n\n\t\t\tif ( this._colorsTexture !== null ) object.colorsTexture = this._colorsTexture.toJSON( meta );\n\n\t\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\t\tobject.boundingSphere = {\n\t\t\t\t\tcenter: object.boundingSphere.center.toArray(),\n\t\t\t\t\tradius: object.boundingSphere.radius\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tif ( this.boundingBox !== null ) {\n\n\t\t\t\tobject.boundingBox = {\n\t\t\t\t\tmin: object.boundingBox.min.toArray(),\n\t\t\t\t\tmax: object.boundingBox.max.toArray()\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tfunction serialize( library, element ) {\n\n\t\t\tif ( library[ element.uuid ] === undefined ) {\n\n\t\t\t\tlibrary[ element.uuid ] = element.toJSON( meta );\n\n\t\t\t}\n\n\t\t\treturn element.uuid;\n\n\t\t}\n\n\t\tif ( this.isScene ) {\n\n\t\t\tif ( this.background ) {\n\n\t\t\t\tif ( this.background.isColor ) {\n\n\t\t\t\t\tobject.background = this.background.toJSON();\n\n\t\t\t\t} else if ( this.background.isTexture ) {\n\n\t\t\t\t\tobject.background = this.background.toJSON( meta ).uuid;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.environment && this.environment.isTexture && this.environment.isRenderTargetTexture !== true ) {\n\n\t\t\t\tobject.environment = this.environment.toJSON( meta ).uuid;\n\n\t\t\t}\n\n\t\t} else if ( this.isMesh || this.isLine || this.isPoints ) {\n\n\t\t\tobject.geometry = serialize( meta.geometries, this.geometry );\n\n\t\t\tconst parameters = this.geometry.parameters;\n\n\t\t\tif ( parameters !== undefined && parameters.shapes !== undefined ) {\n\n\t\t\t\tconst shapes = parameters.shapes;\n\n\t\t\t\tif ( Array.isArray( shapes ) ) {\n\n\t\t\t\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tconst shape = shapes[ i ];\n\n\t\t\t\t\t\tserialize( meta.shapes, shape );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tserialize( meta.shapes, shapes );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.isSkinnedMesh ) {\n\n\t\t\tobject.bindMode = this.bindMode;\n\t\t\tobject.bindMatrix = this.bindMatrix.toArray();\n\n\t\t\tif ( this.skeleton !== undefined ) {\n\n\t\t\t\tserialize( meta.skeletons, this.skeleton );\n\n\t\t\t\tobject.skeleton = this.skeleton.uuid;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.material !== undefined ) {\n\n\t\t\tif ( Array.isArray( this.material ) ) {\n\n\t\t\t\tconst uuids = [];\n\n\t\t\t\tfor ( let i = 0, l = this.material.length; i < l; i ++ ) {\n\n\t\t\t\t\tuuids.push( serialize( meta.materials, this.material[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tobject.material = uuids;\n\n\t\t\t} else {\n\n\t\t\t\tobject.material = serialize( meta.materials, this.material );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.children.length > 0 ) {\n\n\t\t\tobject.children = [];\n\n\t\t\tfor ( let i = 0; i < this.children.length; i ++ ) {\n\n\t\t\t\tobject.children.push( this.children[ i ].toJSON( meta ).object );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.animations.length > 0 ) {\n\n\t\t\tobject.animations = [];\n\n\t\t\tfor ( let i = 0; i < this.animations.length; i ++ ) {\n\n\t\t\t\tconst animation = this.animations[ i ];\n\n\t\t\t\tobject.animations.push( serialize( meta.animations, animation ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( isRootObject ) {\n\n\t\t\tconst geometries = extractFromCache( meta.geometries );\n\t\t\tconst materials = extractFromCache( meta.materials );\n\t\t\tconst textures = extractFromCache( meta.textures );\n\t\t\tconst images = extractFromCache( meta.images );\n\t\t\tconst shapes = extractFromCache( meta.shapes );\n\t\t\tconst skeletons = extractFromCache( meta.skeletons );\n\t\t\tconst animations = extractFromCache( meta.animations );\n\t\t\tconst nodes = extractFromCache( meta.nodes );\n\n\t\t\tif ( geometries.length > 0 ) output.geometries = geometries;\n\t\t\tif ( materials.length > 0 ) output.materials = materials;\n\t\t\tif ( textures.length > 0 ) output.textures = textures;\n\t\t\tif ( images.length > 0 ) output.images = images;\n\t\t\tif ( shapes.length > 0 ) output.shapes = shapes;\n\t\t\tif ( skeletons.length > 0 ) output.skeletons = skeletons;\n\t\t\tif ( animations.length > 0 ) output.animations = animations;\n\t\t\tif ( nodes.length > 0 ) output.nodes = nodes;\n\n\t\t}\n\n\t\toutput.object = object;\n\n\t\treturn output;\n\n\t\t// extract data from the cache hash\n\t\t// remove metadata on each item\n\t\t// and return as array\n\t\tfunction extractFromCache( cache ) {\n\n\t\t\tconst values = [];\n\t\t\tfor ( const key in cache ) {\n\n\t\t\t\tconst data = cache[ key ];\n\t\t\t\tdelete data.metadata;\n\t\t\t\tvalues.push( data );\n\n\t\t\t}\n\n\t\t\treturn values;\n\n\t\t}\n\n\t}\n\n\tclone( recursive ) {\n\n\t\treturn new this.constructor().copy( this, recursive );\n\n\t}\n\n\tcopy( source, recursive = true ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.up.copy( source.up );\n\n\t\tthis.position.copy( source.position );\n\t\tthis.rotation.order = source.rotation.order;\n\t\tthis.quaternion.copy( source.quaternion );\n\t\tthis.scale.copy( source.scale );\n\n\t\tthis.matrix.copy( source.matrix );\n\t\tthis.matrixWorld.copy( source.matrixWorld );\n\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\n\t\tthis.matrixWorldAutoUpdate = source.matrixWorldAutoUpdate;\n\t\tthis.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate;\n\n\t\tthis.layers.mask = source.layers.mask;\n\t\tthis.visible = source.visible;\n\n\t\tthis.castShadow = source.castShadow;\n\t\tthis.receiveShadow = source.receiveShadow;\n\n\t\tthis.frustumCulled = source.frustumCulled;\n\t\tthis.renderOrder = source.renderOrder;\n\n\t\tthis.animations = source.animations.slice();\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\tif ( recursive === true ) {\n\n\t\t\tfor ( let i = 0; i < source.children.length; i ++ ) {\n\n\t\t\t\tconst child = source.children[ i ];\n\t\t\t\tthis.add( child.clone() );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nObject3D.DEFAULT_UP = /*@__PURE__*/ new Vector3( 0, 1, 0 );\nObject3D.DEFAULT_MATRIX_AUTO_UPDATE = true;\nObject3D.DEFAULT_MATRIX_WORLD_AUTO_UPDATE = true;\n\nconst _v0$1 = /*@__PURE__*/ new Vector3();\nconst _v1$3 = /*@__PURE__*/ new Vector3();\nconst _v2$2 = /*@__PURE__*/ new Vector3();\nconst _v3$2 = /*@__PURE__*/ new Vector3();\n\nconst _vab = /*@__PURE__*/ new Vector3();\nconst _vac = /*@__PURE__*/ new Vector3();\nconst _vbc = /*@__PURE__*/ new Vector3();\nconst _vap = /*@__PURE__*/ new Vector3();\nconst _vbp = /*@__PURE__*/ new Vector3();\nconst _vcp = /*@__PURE__*/ new Vector3();\n\nconst _v40 = /*@__PURE__*/ new Vector4();\nconst _v41 = /*@__PURE__*/ new Vector4();\nconst _v42 = /*@__PURE__*/ new Vector4();\n\nclass Triangle {\n\n\tconstructor( a = new Vector3(), b = new Vector3(), c = new Vector3() ) {\n\n\t\tthis.a = a;\n\t\tthis.b = b;\n\t\tthis.c = c;\n\n\t}\n\n\tstatic getNormal( a, b, c, target ) {\n\n\t\ttarget.subVectors( c, b );\n\t\t_v0$1.subVectors( a, b );\n\t\ttarget.cross( _v0$1 );\n\n\t\tconst targetLengthSq = target.lengthSq();\n\t\tif ( targetLengthSq > 0 ) {\n\n\t\t\treturn target.multiplyScalar( 1 / Math.sqrt( targetLengthSq ) );\n\n\t\t}\n\n\t\treturn target.set( 0, 0, 0 );\n\n\t}\n\n\t// static/instance method to calculate barycentric coordinates\n\t// based on: http://www.blackpawn.com/texts/pointinpoly/default.html\n\tstatic getBarycoord( point, a, b, c, target ) {\n\n\t\t_v0$1.subVectors( c, a );\n\t\t_v1$3.subVectors( b, a );\n\t\t_v2$2.subVectors( point, a );\n\n\t\tconst dot00 = _v0$1.dot( _v0$1 );\n\t\tconst dot01 = _v0$1.dot( _v1$3 );\n\t\tconst dot02 = _v0$1.dot( _v2$2 );\n\t\tconst dot11 = _v1$3.dot( _v1$3 );\n\t\tconst dot12 = _v1$3.dot( _v2$2 );\n\n\t\tconst denom = ( dot00 * dot11 - dot01 * dot01 );\n\n\t\t// collinear or singular triangle\n\t\tif ( denom === 0 ) {\n\n\t\t\ttarget.set( 0, 0, 0 );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst invDenom = 1 / denom;\n\t\tconst u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom;\n\t\tconst v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom;\n\n\t\t// barycentric coordinates must always sum to 1\n\t\treturn target.set( 1 - u - v, v, u );\n\n\t}\n\n\tstatic containsPoint( point, a, b, c ) {\n\n\t\t// if the triangle is degenerate then we can't contain a point\n\t\tif ( this.getBarycoord( point, a, b, c, _v3$2 ) === null ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\treturn ( _v3$2.x >= 0 ) && ( _v3$2.y >= 0 ) && ( ( _v3$2.x + _v3$2.y ) <= 1 );\n\n\t}\n\n\tstatic getInterpolation( point, p1, p2, p3, v1, v2, v3, target ) {\n\n\t\tif ( this.getBarycoord( point, p1, p2, p3, _v3$2 ) === null ) {\n\n\t\t\ttarget.x = 0;\n\t\t\ttarget.y = 0;\n\t\t\tif ( 'z' in target ) target.z = 0;\n\t\t\tif ( 'w' in target ) target.w = 0;\n\t\t\treturn null;\n\n\t\t}\n\n\t\ttarget.setScalar( 0 );\n\t\ttarget.addScaledVector( v1, _v3$2.x );\n\t\ttarget.addScaledVector( v2, _v3$2.y );\n\t\ttarget.addScaledVector( v3, _v3$2.z );\n\n\t\treturn target;\n\n\t}\n\n\tstatic getInterpolatedAttribute( attr, i1, i2, i3, barycoord, target ) {\n\n\t\t_v40.setScalar( 0 );\n\t\t_v41.setScalar( 0 );\n\t\t_v42.setScalar( 0 );\n\n\t\t_v40.fromBufferAttribute( attr, i1 );\n\t\t_v41.fromBufferAttribute( attr, i2 );\n\t\t_v42.fromBufferAttribute( attr, i3 );\n\n\t\ttarget.setScalar( 0 );\n\t\ttarget.addScaledVector( _v40, barycoord.x );\n\t\ttarget.addScaledVector( _v41, barycoord.y );\n\t\ttarget.addScaledVector( _v42, barycoord.z );\n\n\t\treturn target;\n\n\t}\n\n\tstatic isFrontFacing( a, b, c, direction ) {\n\n\t\t_v0$1.subVectors( c, b );\n\t\t_v1$3.subVectors( a, b );\n\n\t\t// strictly front facing\n\t\treturn ( _v0$1.cross( _v1$3 ).dot( direction ) < 0 ) ? true : false;\n\n\t}\n\n\tset( a, b, c ) {\n\n\t\tthis.a.copy( a );\n\t\tthis.b.copy( b );\n\t\tthis.c.copy( c );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPointsAndIndices( points, i0, i1, i2 ) {\n\n\t\tthis.a.copy( points[ i0 ] );\n\t\tthis.b.copy( points[ i1 ] );\n\t\tthis.c.copy( points[ i2 ] );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromAttributeAndIndices( attribute, i0, i1, i2 ) {\n\n\t\tthis.a.fromBufferAttribute( attribute, i0 );\n\t\tthis.b.fromBufferAttribute( attribute, i1 );\n\t\tthis.c.fromBufferAttribute( attribute, i2 );\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( triangle ) {\n\n\t\tthis.a.copy( triangle.a );\n\t\tthis.b.copy( triangle.b );\n\t\tthis.c.copy( triangle.c );\n\n\t\treturn this;\n\n\t}\n\n\tgetArea() {\n\n\t\t_v0$1.subVectors( this.c, this.b );\n\t\t_v1$3.subVectors( this.a, this.b );\n\n\t\treturn _v0$1.cross( _v1$3 ).length() * 0.5;\n\n\t}\n\n\tgetMidpoint( target ) {\n\n\t\treturn target.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 );\n\n\t}\n\n\tgetNormal( target ) {\n\n\t\treturn Triangle.getNormal( this.a, this.b, this.c, target );\n\n\t}\n\n\tgetPlane( target ) {\n\n\t\treturn target.setFromCoplanarPoints( this.a, this.b, this.c );\n\n\t}\n\n\tgetBarycoord( point, target ) {\n\n\t\treturn Triangle.getBarycoord( point, this.a, this.b, this.c, target );\n\n\t}\n\n\tgetInterpolation( point, v1, v2, v3, target ) {\n\n\t\treturn Triangle.getInterpolation( point, this.a, this.b, this.c, v1, v2, v3, target );\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn Triangle.containsPoint( point, this.a, this.b, this.c );\n\n\t}\n\n\tisFrontFacing( direction ) {\n\n\t\treturn Triangle.isFrontFacing( this.a, this.b, this.c, direction );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsTriangle( this );\n\n\t}\n\n\tclosestPointToPoint( p, target ) {\n\n\t\tconst a = this.a, b = this.b, c = this.c;\n\t\tlet v, w;\n\n\t\t// algorithm thanks to Real-Time Collision Detection by Christer Ericson,\n\t\t// published by Morgan Kaufmann Publishers, (c) 2005 Elsevier Inc.,\n\t\t// under the accompanying license; see chapter 5.1.5 for detailed explanation.\n\t\t// basically, we're distinguishing which of the voronoi regions of the triangle\n\t\t// the point lies in with the minimum amount of redundant computation.\n\n\t\t_vab.subVectors( b, a );\n\t\t_vac.subVectors( c, a );\n\t\t_vap.subVectors( p, a );\n\t\tconst d1 = _vab.dot( _vap );\n\t\tconst d2 = _vac.dot( _vap );\n\t\tif ( d1 <= 0 && d2 <= 0 ) {\n\n\t\t\t// vertex region of A; barycentric coords (1, 0, 0)\n\t\t\treturn target.copy( a );\n\n\t\t}\n\n\t\t_vbp.subVectors( p, b );\n\t\tconst d3 = _vab.dot( _vbp );\n\t\tconst d4 = _vac.dot( _vbp );\n\t\tif ( d3 >= 0 && d4 <= d3 ) {\n\n\t\t\t// vertex region of B; barycentric coords (0, 1, 0)\n\t\t\treturn target.copy( b );\n\n\t\t}\n\n\t\tconst vc = d1 * d4 - d3 * d2;\n\t\tif ( vc <= 0 && d1 >= 0 && d3 <= 0 ) {\n\n\t\t\tv = d1 / ( d1 - d3 );\n\t\t\t// edge region of AB; barycentric coords (1-v, v, 0)\n\t\t\treturn target.copy( a ).addScaledVector( _vab, v );\n\n\t\t}\n\n\t\t_vcp.subVectors( p, c );\n\t\tconst d5 = _vab.dot( _vcp );\n\t\tconst d6 = _vac.dot( _vcp );\n\t\tif ( d6 >= 0 && d5 <= d6 ) {\n\n\t\t\t// vertex region of C; barycentric coords (0, 0, 1)\n\t\t\treturn target.copy( c );\n\n\t\t}\n\n\t\tconst vb = d5 * d2 - d1 * d6;\n\t\tif ( vb <= 0 && d2 >= 0 && d6 <= 0 ) {\n\n\t\t\tw = d2 / ( d2 - d6 );\n\t\t\t// edge region of AC; barycentric coords (1-w, 0, w)\n\t\t\treturn target.copy( a ).addScaledVector( _vac, w );\n\n\t\t}\n\n\t\tconst va = d3 * d6 - d5 * d4;\n\t\tif ( va <= 0 && ( d4 - d3 ) >= 0 && ( d5 - d6 ) >= 0 ) {\n\n\t\t\t_vbc.subVectors( c, b );\n\t\t\tw = ( d4 - d3 ) / ( ( d4 - d3 ) + ( d5 - d6 ) );\n\t\t\t// edge region of BC; barycentric coords (0, 1-w, w)\n\t\t\treturn target.copy( b ).addScaledVector( _vbc, w ); // edge region of BC\n\n\t\t}\n\n\t\t// face region\n\t\tconst denom = 1 / ( va + vb + vc );\n\t\t// u = va * denom\n\t\tv = vb * denom;\n\t\tw = vc * denom;\n\n\t\treturn target.copy( a ).addScaledVector( _vab, v ).addScaledVector( _vac, w );\n\n\t}\n\n\tequals( triangle ) {\n\n\t\treturn triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c );\n\n\t}\n\n}\n\nconst _colorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF,\n\t'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2,\n\t'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50,\n\t'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B,\n\t'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B,\n\t'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F,\n\t'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3,\n\t'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222,\n\t'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700,\n\t'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4,\n\t'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00,\n\t'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3,\n\t'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA,\n\t'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32,\n\t'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3,\n\t'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC,\n\t'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD,\n\t'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6,\n\t'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9,\n\t'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'rebeccapurple': 0x663399, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F,\n\t'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE,\n\t'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA,\n\t'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0,\n\t'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 };\n\nconst _hslA = { h: 0, s: 0, l: 0 };\nconst _hslB = { h: 0, s: 0, l: 0 };\n\nfunction hue2rgb( p, q, t ) {\n\n\tif ( t < 0 ) t += 1;\n\tif ( t > 1 ) t -= 1;\n\tif ( t < 1 / 6 ) return p + ( q - p ) * 6 * t;\n\tif ( t < 1 / 2 ) return q;\n\tif ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t );\n\treturn p;\n\n}\n\nclass Color {\n\n\tconstructor( r, g, b ) {\n\n\t\tthis.isColor = true;\n\n\t\tthis.r = 1;\n\t\tthis.g = 1;\n\t\tthis.b = 1;\n\n\t\treturn this.set( r, g, b );\n\n\t}\n\n\tset( r, g, b ) {\n\n\t\tif ( g === undefined && b === undefined ) {\n\n\t\t\t// r is THREE.Color, hex or string\n\n\t\t\tconst value = r;\n\n\t\t\tif ( value && value.isColor ) {\n\n\t\t\t\tthis.copy( value );\n\n\t\t\t} else if ( typeof value === 'number' ) {\n\n\t\t\t\tthis.setHex( value );\n\n\t\t\t} else if ( typeof value === 'string' ) {\n\n\t\t\t\tthis.setStyle( value );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tthis.setRGB( r, g, b );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.r = scalar;\n\t\tthis.g = scalar;\n\t\tthis.b = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetHex( hex, colorSpace = SRGBColorSpace ) {\n\n\t\thex = Math.floor( hex );\n\n\t\tthis.r = ( hex >> 16 & 255 ) / 255;\n\t\tthis.g = ( hex >> 8 & 255 ) / 255;\n\t\tthis.b = ( hex & 255 ) / 255;\n\n\t\tColorManagement.toWorkingColorSpace( this, colorSpace );\n\n\t\treturn this;\n\n\t}\n\n\tsetRGB( r, g, b, colorSpace = ColorManagement.workingColorSpace ) {\n\n\t\tthis.r = r;\n\t\tthis.g = g;\n\t\tthis.b = b;\n\n\t\tColorManagement.toWorkingColorSpace( this, colorSpace );\n\n\t\treturn this;\n\n\t}\n\n\tsetHSL( h, s, l, colorSpace = ColorManagement.workingColorSpace ) {\n\n\t\t// h,s,l ranges are in 0.0 - 1.0\n\t\th = euclideanModulo( h, 1 );\n\t\ts = clamp( s, 0, 1 );\n\t\tl = clamp( l, 0, 1 );\n\n\t\tif ( s === 0 ) {\n\n\t\t\tthis.r = this.g = this.b = l;\n\n\t\t} else {\n\n\t\t\tconst p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s );\n\t\t\tconst q = ( 2 * l ) - p;\n\n\t\t\tthis.r = hue2rgb( q, p, h + 1 / 3 );\n\t\t\tthis.g = hue2rgb( q, p, h );\n\t\t\tthis.b = hue2rgb( q, p, h - 1 / 3 );\n\n\t\t}\n\n\t\tColorManagement.toWorkingColorSpace( this, colorSpace );\n\n\t\treturn this;\n\n\t}\n\n\tsetStyle( style, colorSpace = SRGBColorSpace ) {\n\n\t\tfunction handleAlpha( string ) {\n\n\t\t\tif ( string === undefined ) return;\n\n\t\t\tif ( parseFloat( string ) < 1 ) {\n\n\t\t\t\tconsole.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' );\n\n\t\t\t}\n\n\t\t}\n\n\n\t\tlet m;\n\n\t\tif ( m = /^(\\w+)\\(([^\\)]*)\\)/.exec( style ) ) {\n\n\t\t\t// rgb / hsl\n\n\t\t\tlet color;\n\t\t\tconst name = m[ 1 ];\n\t\t\tconst components = m[ 2 ];\n\n\t\t\tswitch ( name ) {\n\n\t\t\t\tcase 'rgb':\n\t\t\t\tcase 'rgba':\n\n\t\t\t\t\tif ( color = /^\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// rgb(255,0,0) rgba(255,0,0,0.5)\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this.setRGB(\n\t\t\t\t\t\t\tMath.min( 255, parseInt( color[ 1 ], 10 ) ) / 255,\n\t\t\t\t\t\t\tMath.min( 255, parseInt( color[ 2 ], 10 ) ) / 255,\n\t\t\t\t\t\t\tMath.min( 255, parseInt( color[ 3 ], 10 ) ) / 255,\n\t\t\t\t\t\t\tcolorSpace\n\t\t\t\t\t\t);\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( color = /^\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// rgb(100%,0%,0%) rgba(100%,0%,0%,0.5)\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this.setRGB(\n\t\t\t\t\t\t\tMath.min( 100, parseInt( color[ 1 ], 10 ) ) / 100,\n\t\t\t\t\t\t\tMath.min( 100, parseInt( color[ 2 ], 10 ) ) / 100,\n\t\t\t\t\t\t\tMath.min( 100, parseInt( color[ 3 ], 10 ) ) / 100,\n\t\t\t\t\t\t\tcolorSpace\n\t\t\t\t\t\t);\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'hsl':\n\t\t\t\tcase 'hsla':\n\n\t\t\t\t\tif ( color = /^\\s*(\\d*\\.?\\d+)\\s*,\\s*(\\d*\\.?\\d+)\\%\\s*,\\s*(\\d*\\.?\\d+)\\%\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// hsl(120,50%,50%) hsla(120,50%,50%,0.5)\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this.setHSL(\n\t\t\t\t\t\t\tparseFloat( color[ 1 ] ) / 360,\n\t\t\t\t\t\t\tparseFloat( color[ 2 ] ) / 100,\n\t\t\t\t\t\t\tparseFloat( color[ 3 ] ) / 100,\n\t\t\t\t\t\t\tcolorSpace\n\t\t\t\t\t\t);\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tconsole.warn( 'THREE.Color: Unknown color model ' + style );\n\n\t\t\t}\n\n\t\t} else if ( m = /^\\#([A-Fa-f\\d]+)$/.exec( style ) ) {\n\n\t\t\t// hex color\n\n\t\t\tconst hex = m[ 1 ];\n\t\t\tconst size = hex.length;\n\n\t\t\tif ( size === 3 ) {\n\n\t\t\t\t// #ff0\n\t\t\t\treturn this.setRGB(\n\t\t\t\t\tparseInt( hex.charAt( 0 ), 16 ) / 15,\n\t\t\t\t\tparseInt( hex.charAt( 1 ), 16 ) / 15,\n\t\t\t\t\tparseInt( hex.charAt( 2 ), 16 ) / 15,\n\t\t\t\t\tcolorSpace\n\t\t\t\t);\n\n\t\t\t} else if ( size === 6 ) {\n\n\t\t\t\t// #ff0000\n\t\t\t\treturn this.setHex( parseInt( hex, 16 ), colorSpace );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.Color: Invalid hex color ' + style );\n\n\t\t\t}\n\n\t\t} else if ( style && style.length > 0 ) {\n\n\t\t\treturn this.setColorName( style, colorSpace );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetColorName( style, colorSpace = SRGBColorSpace ) {\n\n\t\t// color keywords\n\t\tconst hex = _colorKeywords[ style.toLowerCase() ];\n\n\t\tif ( hex !== undefined ) {\n\n\t\t\t// red\n\t\t\tthis.setHex( hex, colorSpace );\n\n\t\t} else {\n\n\t\t\t// unknown color\n\t\t\tconsole.warn( 'THREE.Color: Unknown color ' + style );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.r, this.g, this.b );\n\n\t}\n\n\tcopy( color ) {\n\n\t\tthis.r = color.r;\n\t\tthis.g = color.g;\n\t\tthis.b = color.b;\n\n\t\treturn this;\n\n\t}\n\n\tcopySRGBToLinear( color ) {\n\n\t\tthis.r = SRGBToLinear( color.r );\n\t\tthis.g = SRGBToLinear( color.g );\n\t\tthis.b = SRGBToLinear( color.b );\n\n\t\treturn this;\n\n\t}\n\n\tcopyLinearToSRGB( color ) {\n\n\t\tthis.r = LinearToSRGB( color.r );\n\t\tthis.g = LinearToSRGB( color.g );\n\t\tthis.b = LinearToSRGB( color.b );\n\n\t\treturn this;\n\n\t}\n\n\tconvertSRGBToLinear() {\n\n\t\tthis.copySRGBToLinear( this );\n\n\t\treturn this;\n\n\t}\n\n\tconvertLinearToSRGB() {\n\n\t\tthis.copyLinearToSRGB( this );\n\n\t\treturn this;\n\n\t}\n\n\tgetHex( colorSpace = SRGBColorSpace ) {\n\n\t\tColorManagement.fromWorkingColorSpace( _color.copy( this ), colorSpace );\n\n\t\treturn Math.round( clamp( _color.r * 255, 0, 255 ) ) * 65536 + Math.round( clamp( _color.g * 255, 0, 255 ) ) * 256 + Math.round( clamp( _color.b * 255, 0, 255 ) );\n\n\t}\n\n\tgetHexString( colorSpace = SRGBColorSpace ) {\n\n\t\treturn ( '000000' + this.getHex( colorSpace ).toString( 16 ) ).slice( - 6 );\n\n\t}\n\n\tgetHSL( target, colorSpace = ColorManagement.workingColorSpace ) {\n\n\t\t// h,s,l ranges are in 0.0 - 1.0\n\n\t\tColorManagement.fromWorkingColorSpace( _color.copy( this ), colorSpace );\n\n\t\tconst r = _color.r, g = _color.g, b = _color.b;\n\n\t\tconst max = Math.max( r, g, b );\n\t\tconst min = Math.min( r, g, b );\n\n\t\tlet hue, saturation;\n\t\tconst lightness = ( min + max ) / 2.0;\n\n\t\tif ( min === max ) {\n\n\t\t\thue = 0;\n\t\t\tsaturation = 0;\n\n\t\t} else {\n\n\t\t\tconst delta = max - min;\n\n\t\t\tsaturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min );\n\n\t\t\tswitch ( max ) {\n\n\t\t\t\tcase r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break;\n\t\t\t\tcase g: hue = ( b - r ) / delta + 2; break;\n\t\t\t\tcase b: hue = ( r - g ) / delta + 4; break;\n\n\t\t\t}\n\n\t\t\thue /= 6;\n\n\t\t}\n\n\t\ttarget.h = hue;\n\t\ttarget.s = saturation;\n\t\ttarget.l = lightness;\n\n\t\treturn target;\n\n\t}\n\n\tgetRGB( target, colorSpace = ColorManagement.workingColorSpace ) {\n\n\t\tColorManagement.fromWorkingColorSpace( _color.copy( this ), colorSpace );\n\n\t\ttarget.r = _color.r;\n\t\ttarget.g = _color.g;\n\t\ttarget.b = _color.b;\n\n\t\treturn target;\n\n\t}\n\n\tgetStyle( colorSpace = SRGBColorSpace ) {\n\n\t\tColorManagement.fromWorkingColorSpace( _color.copy( this ), colorSpace );\n\n\t\tconst r = _color.r, g = _color.g, b = _color.b;\n\n\t\tif ( colorSpace !== SRGBColorSpace ) {\n\n\t\t\t// Requires CSS Color Module Level 4 (https://www.w3.org/TR/css-color-4/).\n\t\t\treturn `color(${ colorSpace } ${ r.toFixed( 3 ) } ${ g.toFixed( 3 ) } ${ b.toFixed( 3 ) })`;\n\n\t\t}\n\n\t\treturn `rgb(${ Math.round( r * 255 ) },${ Math.round( g * 255 ) },${ Math.round( b * 255 ) })`;\n\n\t}\n\n\toffsetHSL( h, s, l ) {\n\n\t\tthis.getHSL( _hslA );\n\n\t\treturn this.setHSL( _hslA.h + h, _hslA.s + s, _hslA.l + l );\n\n\t}\n\n\tadd( color ) {\n\n\t\tthis.r += color.r;\n\t\tthis.g += color.g;\n\t\tthis.b += color.b;\n\n\t\treturn this;\n\n\t}\n\n\taddColors( color1, color2 ) {\n\n\t\tthis.r = color1.r + color2.r;\n\t\tthis.g = color1.g + color2.g;\n\t\tthis.b = color1.b + color2.b;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.r += s;\n\t\tthis.g += s;\n\t\tthis.b += s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( color ) {\n\n\t\tthis.r = Math.max( 0, this.r - color.r );\n\t\tthis.g = Math.max( 0, this.g - color.g );\n\t\tthis.b = Math.max( 0, this.b - color.b );\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( color ) {\n\n\t\tthis.r *= color.r;\n\t\tthis.g *= color.g;\n\t\tthis.b *= color.b;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( s ) {\n\n\t\tthis.r *= s;\n\t\tthis.g *= s;\n\t\tthis.b *= s;\n\n\t\treturn this;\n\n\t}\n\n\tlerp( color, alpha ) {\n\n\t\tthis.r += ( color.r - this.r ) * alpha;\n\t\tthis.g += ( color.g - this.g ) * alpha;\n\t\tthis.b += ( color.b - this.b ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpColors( color1, color2, alpha ) {\n\n\t\tthis.r = color1.r + ( color2.r - color1.r ) * alpha;\n\t\tthis.g = color1.g + ( color2.g - color1.g ) * alpha;\n\t\tthis.b = color1.b + ( color2.b - color1.b ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpHSL( color, alpha ) {\n\n\t\tthis.getHSL( _hslA );\n\t\tcolor.getHSL( _hslB );\n\n\t\tconst h = lerp( _hslA.h, _hslB.h, alpha );\n\t\tconst s = lerp( _hslA.s, _hslB.s, alpha );\n\t\tconst l = lerp( _hslA.l, _hslB.l, alpha );\n\n\t\tthis.setHSL( h, s, l );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromVector3( v ) {\n\n\t\tthis.r = v.x;\n\t\tthis.g = v.y;\n\t\tthis.b = v.z;\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tconst r = this.r, g = this.g, b = this.b;\n\t\tconst e = m.elements;\n\n\t\tthis.r = e[ 0 ] * r + e[ 3 ] * g + e[ 6 ] * b;\n\t\tthis.g = e[ 1 ] * r + e[ 4 ] * g + e[ 7 ] * b;\n\t\tthis.b = e[ 2 ] * r + e[ 5 ] * g + e[ 8 ] * b;\n\n\t\treturn this;\n\n\t}\n\n\tequals( c ) {\n\n\t\treturn ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.r = array[ offset ];\n\t\tthis.g = array[ offset + 1 ];\n\t\tthis.b = array[ offset + 2 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.r;\n\t\tarray[ offset + 1 ] = this.g;\n\t\tarray[ offset + 2 ] = this.b;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis.r = attribute.getX( index );\n\t\tthis.g = attribute.getY( index );\n\t\tthis.b = attribute.getZ( index );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\treturn this.getHex();\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.r;\n\t\tyield this.g;\n\t\tyield this.b;\n\n\t}\n\n}\n\nconst _color = /*@__PURE__*/ new Color();\n\nColor.NAMES = _colorKeywords;\n\nlet _materialId = 0;\n\nclass Material extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isMaterial = true;\n\n\t\tObject.defineProperty( this, 'id', { value: _materialId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Material';\n\n\t\tthis.blending = NormalBlending;\n\t\tthis.side = FrontSide;\n\t\tthis.vertexColors = false;\n\n\t\tthis.opacity = 1;\n\t\tthis.transparent = false;\n\t\tthis.alphaHash = false;\n\n\t\tthis.blendSrc = SrcAlphaFactor;\n\t\tthis.blendDst = OneMinusSrcAlphaFactor;\n\t\tthis.blendEquation = AddEquation;\n\t\tthis.blendSrcAlpha = null;\n\t\tthis.blendDstAlpha = null;\n\t\tthis.blendEquationAlpha = null;\n\t\tthis.blendColor = new Color( 0, 0, 0 );\n\t\tthis.blendAlpha = 0;\n\n\t\tthis.depthFunc = LessEqualDepth;\n\t\tthis.depthTest = true;\n\t\tthis.depthWrite = true;\n\n\t\tthis.stencilWriteMask = 0xff;\n\t\tthis.stencilFunc = AlwaysStencilFunc;\n\t\tthis.stencilRef = 0;\n\t\tthis.stencilFuncMask = 0xff;\n\t\tthis.stencilFail = KeepStencilOp;\n\t\tthis.stencilZFail = KeepStencilOp;\n\t\tthis.stencilZPass = KeepStencilOp;\n\t\tthis.stencilWrite = false;\n\n\t\tthis.clippingPlanes = null;\n\t\tthis.clipIntersection = false;\n\t\tthis.clipShadows = false;\n\n\t\tthis.shadowSide = null;\n\n\t\tthis.colorWrite = true;\n\n\t\tthis.precision = null; // override the renderer's default precision for this material\n\n\t\tthis.polygonOffset = false;\n\t\tthis.polygonOffsetFactor = 0;\n\t\tthis.polygonOffsetUnits = 0;\n\n\t\tthis.dithering = false;\n\n\t\tthis.alphaToCoverage = false;\n\t\tthis.premultipliedAlpha = false;\n\t\tthis.forceSinglePass = false;\n\n\t\tthis.visible = true;\n\n\t\tthis.toneMapped = true;\n\n\t\tthis.userData = {};\n\n\t\tthis.version = 0;\n\n\t\tthis._alphaTest = 0;\n\n\t}\n\n\tget alphaTest() {\n\n\t\treturn this._alphaTest;\n\n\t}\n\n\tset alphaTest( value ) {\n\n\t\tif ( this._alphaTest > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._alphaTest = value;\n\n\t}\n\n\t// onBeforeRender and onBeforeCompile only supported in WebGLRenderer\n\n\tonBeforeRender( /* renderer, scene, camera, geometry, object, group */ ) {}\n\n\tonBeforeCompile( /* shaderobject, renderer */ ) {}\n\n\tcustomProgramCacheKey() {\n\n\t\treturn this.onBeforeCompile.toString();\n\n\t}\n\n\tsetValues( values ) {\n\n\t\tif ( values === undefined ) return;\n\n\t\tfor ( const key in values ) {\n\n\t\t\tconst newValue = values[ key ];\n\n\t\t\tif ( newValue === undefined ) {\n\n\t\t\t\tconsole.warn( `THREE.Material: parameter '${ key }' has value of undefined.` );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tconst currentValue = this[ key ];\n\n\t\t\tif ( currentValue === undefined ) {\n\n\t\t\t\tconsole.warn( `THREE.Material: '${ key }' is not a property of THREE.${ this.type }.` );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tif ( currentValue && currentValue.isColor ) {\n\n\t\t\t\tcurrentValue.set( newValue );\n\n\t\t\t} else if ( ( currentValue && currentValue.isVector3 ) && ( newValue && newValue.isVector3 ) ) {\n\n\t\t\t\tcurrentValue.copy( newValue );\n\n\t\t\t} else {\n\n\t\t\t\tthis[ key ] = newValue;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tif ( isRootObject ) {\n\n\t\t\tmeta = {\n\t\t\t\ttextures: {},\n\t\t\t\timages: {}\n\t\t\t};\n\n\t\t}\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.6,\n\t\t\t\ttype: 'Material',\n\t\t\t\tgenerator: 'Material.toJSON'\n\t\t\t}\n\t\t};\n\n\t\t// standard Material serialization\n\t\tdata.uuid = this.uuid;\n\t\tdata.type = this.type;\n\n\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\tif ( this.color && this.color.isColor ) data.color = this.color.getHex();\n\n\t\tif ( this.roughness !== undefined ) data.roughness = this.roughness;\n\t\tif ( this.metalness !== undefined ) data.metalness = this.metalness;\n\n\t\tif ( this.sheen !== undefined ) data.sheen = this.sheen;\n\t\tif ( this.sheenColor && this.sheenColor.isColor ) data.sheenColor = this.sheenColor.getHex();\n\t\tif ( this.sheenRoughness !== undefined ) data.sheenRoughness = this.sheenRoughness;\n\t\tif ( this.emissive && this.emissive.isColor ) data.emissive = this.emissive.getHex();\n\t\tif ( this.emissiveIntensity !== undefined && this.emissiveIntensity !== 1 ) data.emissiveIntensity = this.emissiveIntensity;\n\n\t\tif ( this.specular && this.specular.isColor ) data.specular = this.specular.getHex();\n\t\tif ( this.specularIntensity !== undefined ) data.specularIntensity = this.specularIntensity;\n\t\tif ( this.specularColor && this.specularColor.isColor ) data.specularColor = this.specularColor.getHex();\n\t\tif ( this.shininess !== undefined ) data.shininess = this.shininess;\n\t\tif ( this.clearcoat !== undefined ) data.clearcoat = this.clearcoat;\n\t\tif ( this.clearcoatRoughness !== undefined ) data.clearcoatRoughness = this.clearcoatRoughness;\n\n\t\tif ( this.clearcoatMap && this.clearcoatMap.isTexture ) {\n\n\t\t\tdata.clearcoatMap = this.clearcoatMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.clearcoatRoughnessMap && this.clearcoatRoughnessMap.isTexture ) {\n\n\t\t\tdata.clearcoatRoughnessMap = this.clearcoatRoughnessMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.clearcoatNormalMap && this.clearcoatNormalMap.isTexture ) {\n\n\t\t\tdata.clearcoatNormalMap = this.clearcoatNormalMap.toJSON( meta ).uuid;\n\t\t\tdata.clearcoatNormalScale = this.clearcoatNormalScale.toArray();\n\n\t\t}\n\n\t\tif ( this.dispersion !== undefined ) data.dispersion = this.dispersion;\n\n\t\tif ( this.iridescence !== undefined ) data.iridescence = this.iridescence;\n\t\tif ( this.iridescenceIOR !== undefined ) data.iridescenceIOR = this.iridescenceIOR;\n\t\tif ( this.iridescenceThicknessRange !== undefined ) data.iridescenceThicknessRange = this.iridescenceThicknessRange;\n\n\t\tif ( this.iridescenceMap && this.iridescenceMap.isTexture ) {\n\n\t\t\tdata.iridescenceMap = this.iridescenceMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.iridescenceThicknessMap && this.iridescenceThicknessMap.isTexture ) {\n\n\t\t\tdata.iridescenceThicknessMap = this.iridescenceThicknessMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.anisotropy !== undefined ) data.anisotropy = this.anisotropy;\n\t\tif ( this.anisotropyRotation !== undefined ) data.anisotropyRotation = this.anisotropyRotation;\n\n\t\tif ( this.anisotropyMap && this.anisotropyMap.isTexture ) {\n\n\t\t\tdata.anisotropyMap = this.anisotropyMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.map && this.map.isTexture ) data.map = this.map.toJSON( meta ).uuid;\n\t\tif ( this.matcap && this.matcap.isTexture ) data.matcap = this.matcap.toJSON( meta ).uuid;\n\t\tif ( this.alphaMap && this.alphaMap.isTexture ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid;\n\n\t\tif ( this.lightMap && this.lightMap.isTexture ) {\n\n\t\t\tdata.lightMap = this.lightMap.toJSON( meta ).uuid;\n\t\t\tdata.lightMapIntensity = this.lightMapIntensity;\n\n\t\t}\n\n\t\tif ( this.aoMap && this.aoMap.isTexture ) {\n\n\t\t\tdata.aoMap = this.aoMap.toJSON( meta ).uuid;\n\t\t\tdata.aoMapIntensity = this.aoMapIntensity;\n\n\t\t}\n\n\t\tif ( this.bumpMap && this.bumpMap.isTexture ) {\n\n\t\t\tdata.bumpMap = this.bumpMap.toJSON( meta ).uuid;\n\t\t\tdata.bumpScale = this.bumpScale;\n\n\t\t}\n\n\t\tif ( this.normalMap && this.normalMap.isTexture ) {\n\n\t\t\tdata.normalMap = this.normalMap.toJSON( meta ).uuid;\n\t\t\tdata.normalMapType = this.normalMapType;\n\t\t\tdata.normalScale = this.normalScale.toArray();\n\n\t\t}\n\n\t\tif ( this.displacementMap && this.displacementMap.isTexture ) {\n\n\t\t\tdata.displacementMap = this.displacementMap.toJSON( meta ).uuid;\n\t\t\tdata.displacementScale = this.displacementScale;\n\t\t\tdata.displacementBias = this.displacementBias;\n\n\t\t}\n\n\t\tif ( this.roughnessMap && this.roughnessMap.isTexture ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid;\n\t\tif ( this.metalnessMap && this.metalnessMap.isTexture ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid;\n\n\t\tif ( this.emissiveMap && this.emissiveMap.isTexture ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid;\n\t\tif ( this.specularMap && this.specularMap.isTexture ) data.specularMap = this.specularMap.toJSON( meta ).uuid;\n\t\tif ( this.specularIntensityMap && this.specularIntensityMap.isTexture ) data.specularIntensityMap = this.specularIntensityMap.toJSON( meta ).uuid;\n\t\tif ( this.specularColorMap && this.specularColorMap.isTexture ) data.specularColorMap = this.specularColorMap.toJSON( meta ).uuid;\n\n\t\tif ( this.envMap && this.envMap.isTexture ) {\n\n\t\t\tdata.envMap = this.envMap.toJSON( meta ).uuid;\n\n\t\t\tif ( this.combine !== undefined ) data.combine = this.combine;\n\n\t\t}\n\n\t\tif ( this.envMapRotation !== undefined ) data.envMapRotation = this.envMapRotation.toArray();\n\t\tif ( this.envMapIntensity !== undefined ) data.envMapIntensity = this.envMapIntensity;\n\t\tif ( this.reflectivity !== undefined ) data.reflectivity = this.reflectivity;\n\t\tif ( this.refractionRatio !== undefined ) data.refractionRatio = this.refractionRatio;\n\n\t\tif ( this.gradientMap && this.gradientMap.isTexture ) {\n\n\t\t\tdata.gradientMap = this.gradientMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.transmission !== undefined ) data.transmission = this.transmission;\n\t\tif ( this.transmissionMap && this.transmissionMap.isTexture ) data.transmissionMap = this.transmissionMap.toJSON( meta ).uuid;\n\t\tif ( this.thickness !== undefined ) data.thickness = this.thickness;\n\t\tif ( this.thicknessMap && this.thicknessMap.isTexture ) data.thicknessMap = this.thicknessMap.toJSON( meta ).uuid;\n\t\tif ( this.attenuationDistance !== undefined && this.attenuationDistance !== Infinity ) data.attenuationDistance = this.attenuationDistance;\n\t\tif ( this.attenuationColor !== undefined ) data.attenuationColor = this.attenuationColor.getHex();\n\n\t\tif ( this.size !== undefined ) data.size = this.size;\n\t\tif ( this.shadowSide !== null ) data.shadowSide = this.shadowSide;\n\t\tif ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation;\n\n\t\tif ( this.blending !== NormalBlending ) data.blending = this.blending;\n\t\tif ( this.side !== FrontSide ) data.side = this.side;\n\t\tif ( this.vertexColors === true ) data.vertexColors = true;\n\n\t\tif ( this.opacity < 1 ) data.opacity = this.opacity;\n\t\tif ( this.transparent === true ) data.transparent = true;\n\n\t\tif ( this.blendSrc !== SrcAlphaFactor ) data.blendSrc = this.blendSrc;\n\t\tif ( this.blendDst !== OneMinusSrcAlphaFactor ) data.blendDst = this.blendDst;\n\t\tif ( this.blendEquation !== AddEquation ) data.blendEquation = this.blendEquation;\n\t\tif ( this.blendSrcAlpha !== null ) data.blendSrcAlpha = this.blendSrcAlpha;\n\t\tif ( this.blendDstAlpha !== null ) data.blendDstAlpha = this.blendDstAlpha;\n\t\tif ( this.blendEquationAlpha !== null ) data.blendEquationAlpha = this.blendEquationAlpha;\n\t\tif ( this.blendColor && this.blendColor.isColor ) data.blendColor = this.blendColor.getHex();\n\t\tif ( this.blendAlpha !== 0 ) data.blendAlpha = this.blendAlpha;\n\n\t\tif ( this.depthFunc !== LessEqualDepth ) data.depthFunc = this.depthFunc;\n\t\tif ( this.depthTest === false ) data.depthTest = this.depthTest;\n\t\tif ( this.depthWrite === false ) data.depthWrite = this.depthWrite;\n\t\tif ( this.colorWrite === false ) data.colorWrite = this.colorWrite;\n\n\t\tif ( this.stencilWriteMask !== 0xff ) data.stencilWriteMask = this.stencilWriteMask;\n\t\tif ( this.stencilFunc !== AlwaysStencilFunc ) data.stencilFunc = this.stencilFunc;\n\t\tif ( this.stencilRef !== 0 ) data.stencilRef = this.stencilRef;\n\t\tif ( this.stencilFuncMask !== 0xff ) data.stencilFuncMask = this.stencilFuncMask;\n\t\tif ( this.stencilFail !== KeepStencilOp ) data.stencilFail = this.stencilFail;\n\t\tif ( this.stencilZFail !== KeepStencilOp ) data.stencilZFail = this.stencilZFail;\n\t\tif ( this.stencilZPass !== KeepStencilOp ) data.stencilZPass = this.stencilZPass;\n\t\tif ( this.stencilWrite === true ) data.stencilWrite = this.stencilWrite;\n\n\t\t// rotation (SpriteMaterial)\n\t\tif ( this.rotation !== undefined && this.rotation !== 0 ) data.rotation = this.rotation;\n\n\t\tif ( this.polygonOffset === true ) data.polygonOffset = true;\n\t\tif ( this.polygonOffsetFactor !== 0 ) data.polygonOffsetFactor = this.polygonOffsetFactor;\n\t\tif ( this.polygonOffsetUnits !== 0 ) data.polygonOffsetUnits = this.polygonOffsetUnits;\n\n\t\tif ( this.linewidth !== undefined && this.linewidth !== 1 ) data.linewidth = this.linewidth;\n\t\tif ( this.dashSize !== undefined ) data.dashSize = this.dashSize;\n\t\tif ( this.gapSize !== undefined ) data.gapSize = this.gapSize;\n\t\tif ( this.scale !== undefined ) data.scale = this.scale;\n\n\t\tif ( this.dithering === true ) data.dithering = true;\n\n\t\tif ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest;\n\t\tif ( this.alphaHash === true ) data.alphaHash = true;\n\t\tif ( this.alphaToCoverage === true ) data.alphaToCoverage = true;\n\t\tif ( this.premultipliedAlpha === true ) data.premultipliedAlpha = true;\n\t\tif ( this.forceSinglePass === true ) data.forceSinglePass = true;\n\n\t\tif ( this.wireframe === true ) data.wireframe = true;\n\t\tif ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth;\n\t\tif ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap;\n\t\tif ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin;\n\n\t\tif ( this.flatShading === true ) data.flatShading = true;\n\n\t\tif ( this.visible === false ) data.visible = false;\n\n\t\tif ( this.toneMapped === false ) data.toneMapped = false;\n\n\t\tif ( this.fog === false ) data.fog = false;\n\n\t\tif ( Object.keys( this.userData ).length > 0 ) data.userData = this.userData;\n\n\t\t// TODO: Copied from Object3D.toJSON\n\n\t\tfunction extractFromCache( cache ) {\n\n\t\t\tconst values = [];\n\n\t\t\tfor ( const key in cache ) {\n\n\t\t\t\tconst data = cache[ key ];\n\t\t\t\tdelete data.metadata;\n\t\t\t\tvalues.push( data );\n\n\t\t\t}\n\n\t\t\treturn values;\n\n\t\t}\n\n\t\tif ( isRootObject ) {\n\n\t\t\tconst textures = extractFromCache( meta.textures );\n\t\t\tconst images = extractFromCache( meta.images );\n\n\t\t\tif ( textures.length > 0 ) data.textures = textures;\n\t\t\tif ( images.length > 0 ) data.images = images;\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.blending = source.blending;\n\t\tthis.side = source.side;\n\t\tthis.vertexColors = source.vertexColors;\n\n\t\tthis.opacity = source.opacity;\n\t\tthis.transparent = source.transparent;\n\n\t\tthis.blendSrc = source.blendSrc;\n\t\tthis.blendDst = source.blendDst;\n\t\tthis.blendEquation = source.blendEquation;\n\t\tthis.blendSrcAlpha = source.blendSrcAlpha;\n\t\tthis.blendDstAlpha = source.blendDstAlpha;\n\t\tthis.blendEquationAlpha = source.blendEquationAlpha;\n\t\tthis.blendColor.copy( source.blendColor );\n\t\tthis.blendAlpha = source.blendAlpha;\n\n\t\tthis.depthFunc = source.depthFunc;\n\t\tthis.depthTest = source.depthTest;\n\t\tthis.depthWrite = source.depthWrite;\n\n\t\tthis.stencilWriteMask = source.stencilWriteMask;\n\t\tthis.stencilFunc = source.stencilFunc;\n\t\tthis.stencilRef = source.stencilRef;\n\t\tthis.stencilFuncMask = source.stencilFuncMask;\n\t\tthis.stencilFail = source.stencilFail;\n\t\tthis.stencilZFail = source.stencilZFail;\n\t\tthis.stencilZPass = source.stencilZPass;\n\t\tthis.stencilWrite = source.stencilWrite;\n\n\t\tconst srcPlanes = source.clippingPlanes;\n\t\tlet dstPlanes = null;\n\n\t\tif ( srcPlanes !== null ) {\n\n\t\t\tconst n = srcPlanes.length;\n\t\t\tdstPlanes = new Array( n );\n\n\t\t\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\t\t\tdstPlanes[ i ] = srcPlanes[ i ].clone();\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.clippingPlanes = dstPlanes;\n\t\tthis.clipIntersection = source.clipIntersection;\n\t\tthis.clipShadows = source.clipShadows;\n\n\t\tthis.shadowSide = source.shadowSide;\n\n\t\tthis.colorWrite = source.colorWrite;\n\n\t\tthis.precision = source.precision;\n\n\t\tthis.polygonOffset = source.polygonOffset;\n\t\tthis.polygonOffsetFactor = source.polygonOffsetFactor;\n\t\tthis.polygonOffsetUnits = source.polygonOffsetUnits;\n\n\t\tthis.dithering = source.dithering;\n\n\t\tthis.alphaTest = source.alphaTest;\n\t\tthis.alphaHash = source.alphaHash;\n\t\tthis.alphaToCoverage = source.alphaToCoverage;\n\t\tthis.premultipliedAlpha = source.premultipliedAlpha;\n\t\tthis.forceSinglePass = source.forceSinglePass;\n\n\t\tthis.visible = source.visible;\n\n\t\tthis.toneMapped = source.toneMapped;\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tonBuild( /* shaderobject, renderer */ ) {\n\n\t\tconsole.warn( 'Material: onBuild() has been removed.' ); // @deprecated, r166\n\n\t}\n\n}\n\nclass MeshBasicMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshBasicMaterial = true;\n\n\t\tthis.type = 'MeshBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // emissive\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.envMapRotation = new Euler();\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapRotation.copy( source.envMapRotation );\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\n// Fast Half Float Conversions, http://www.fox-toolkit.org/ftp/fasthalffloatconversion.pdf\n\nconst _tables = /*@__PURE__*/ _generateTables();\n\nfunction _generateTables() {\n\n\t// float32 to float16 helpers\n\n\tconst buffer = new ArrayBuffer( 4 );\n\tconst floatView = new Float32Array( buffer );\n\tconst uint32View = new Uint32Array( buffer );\n\n\tconst baseTable = new Uint32Array( 512 );\n\tconst shiftTable = new Uint32Array( 512 );\n\n\tfor ( let i = 0; i < 256; ++ i ) {\n\n\t\tconst e = i - 127;\n\n\t\t// very small number (0, -0)\n\n\t\tif ( e < - 27 ) {\n\n\t\t\tbaseTable[ i ] = 0x0000;\n\t\t\tbaseTable[ i | 0x100 ] = 0x8000;\n\t\t\tshiftTable[ i ] = 24;\n\t\t\tshiftTable[ i | 0x100 ] = 24;\n\n\t\t\t// small number (denorm)\n\n\t\t} else if ( e < - 14 ) {\n\n\t\t\tbaseTable[ i ] = 0x0400 >> ( - e - 14 );\n\t\t\tbaseTable[ i | 0x100 ] = ( 0x0400 >> ( - e - 14 ) ) | 0x8000;\n\t\t\tshiftTable[ i ] = - e - 1;\n\t\t\tshiftTable[ i | 0x100 ] = - e - 1;\n\n\t\t\t// normal number\n\n\t\t} else if ( e <= 15 ) {\n\n\t\t\tbaseTable[ i ] = ( e + 15 ) << 10;\n\t\t\tbaseTable[ i | 0x100 ] = ( ( e + 15 ) << 10 ) | 0x8000;\n\t\t\tshiftTable[ i ] = 13;\n\t\t\tshiftTable[ i | 0x100 ] = 13;\n\n\t\t\t// large number (Infinity, -Infinity)\n\n\t\t} else if ( e < 128 ) {\n\n\t\t\tbaseTable[ i ] = 0x7c00;\n\t\t\tbaseTable[ i | 0x100 ] = 0xfc00;\n\t\t\tshiftTable[ i ] = 24;\n\t\t\tshiftTable[ i | 0x100 ] = 24;\n\n\t\t\t// stay (NaN, Infinity, -Infinity)\n\n\t\t} else {\n\n\t\t\tbaseTable[ i ] = 0x7c00;\n\t\t\tbaseTable[ i | 0x100 ] = 0xfc00;\n\t\t\tshiftTable[ i ] = 13;\n\t\t\tshiftTable[ i | 0x100 ] = 13;\n\n\t\t}\n\n\t}\n\n\t// float16 to float32 helpers\n\n\tconst mantissaTable = new Uint32Array( 2048 );\n\tconst exponentTable = new Uint32Array( 64 );\n\tconst offsetTable = new Uint32Array( 64 );\n\n\tfor ( let i = 1; i < 1024; ++ i ) {\n\n\t\tlet m = i << 13; // zero pad mantissa bits\n\t\tlet e = 0; // zero exponent\n\n\t\t// normalized\n\t\twhile ( ( m & 0x00800000 ) === 0 ) {\n\n\t\t\tm <<= 1;\n\t\t\te -= 0x00800000; // decrement exponent\n\n\t\t}\n\n\t\tm &= ~ 0x00800000; // clear leading 1 bit\n\t\te += 0x38800000; // adjust bias\n\n\t\tmantissaTable[ i ] = m | e;\n\n\t}\n\n\tfor ( let i = 1024; i < 2048; ++ i ) {\n\n\t\tmantissaTable[ i ] = 0x38000000 + ( ( i - 1024 ) << 13 );\n\n\t}\n\n\tfor ( let i = 1; i < 31; ++ i ) {\n\n\t\texponentTable[ i ] = i << 23;\n\n\t}\n\n\texponentTable[ 31 ] = 0x47800000;\n\texponentTable[ 32 ] = 0x80000000;\n\n\tfor ( let i = 33; i < 63; ++ i ) {\n\n\t\texponentTable[ i ] = 0x80000000 + ( ( i - 32 ) << 23 );\n\n\t}\n\n\texponentTable[ 63 ] = 0xc7800000;\n\n\tfor ( let i = 1; i < 64; ++ i ) {\n\n\t\tif ( i !== 32 ) {\n\n\t\t\toffsetTable[ i ] = 1024;\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tfloatView: floatView,\n\t\tuint32View: uint32View,\n\t\tbaseTable: baseTable,\n\t\tshiftTable: shiftTable,\n\t\tmantissaTable: mantissaTable,\n\t\texponentTable: exponentTable,\n\t\toffsetTable: offsetTable\n\t};\n\n}\n\n// float32 to float16\n\nfunction toHalfFloat( val ) {\n\n\tif ( Math.abs( val ) > 65504 ) console.warn( 'THREE.DataUtils.toHalfFloat(): Value out of range.' );\n\n\tval = clamp( val, - 65504, 65504 );\n\n\t_tables.floatView[ 0 ] = val;\n\tconst f = _tables.uint32View[ 0 ];\n\tconst e = ( f >> 23 ) & 0x1ff;\n\treturn _tables.baseTable[ e ] + ( ( f & 0x007fffff ) >> _tables.shiftTable[ e ] );\n\n}\n\n// float16 to float32\n\nfunction fromHalfFloat( val ) {\n\n\tconst m = val >> 10;\n\t_tables.uint32View[ 0 ] = _tables.mantissaTable[ _tables.offsetTable[ m ] + ( val & 0x3ff ) ] + _tables.exponentTable[ m ];\n\treturn _tables.floatView[ 0 ];\n\n}\n\nconst DataUtils = {\n\ttoHalfFloat: toHalfFloat,\n\tfromHalfFloat: fromHalfFloat,\n};\n\nconst _vector$9 = /*@__PURE__*/ new Vector3();\nconst _vector2$1 = /*@__PURE__*/ new Vector2();\n\nlet _id$2 = 0;\n\nclass BufferAttribute {\n\n\tconstructor( array, itemSize, normalized = false ) {\n\n\t\tif ( Array.isArray( array ) ) {\n\n\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t}\n\n\t\tthis.isBufferAttribute = true;\n\n\t\tObject.defineProperty( this, 'id', { value: _id$2 ++ } );\n\n\t\tthis.name = '';\n\n\t\tthis.array = array;\n\t\tthis.itemSize = itemSize;\n\t\tthis.count = array !== undefined ? array.length / itemSize : 0;\n\t\tthis.normalized = normalized;\n\n\t\tthis.usage = StaticDrawUsage;\n\t\tthis.updateRanges = [];\n\t\tthis.gpuType = FloatType;\n\n\t\tthis.version = 0;\n\n\t}\n\n\tonUploadCallback() {}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tsetUsage( value ) {\n\n\t\tthis.usage = value;\n\n\t\treturn this;\n\n\t}\n\n\taddUpdateRange( start, count ) {\n\n\t\tthis.updateRanges.push( { start, count } );\n\n\t}\n\n\tclearUpdateRanges() {\n\n\t\tthis.updateRanges.length = 0;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\t\tthis.array = new source.array.constructor( source.array );\n\t\tthis.itemSize = source.itemSize;\n\t\tthis.count = source.count;\n\t\tthis.normalized = source.normalized;\n\n\t\tthis.usage = source.usage;\n\t\tthis.gpuType = source.gpuType;\n\n\t\treturn this;\n\n\t}\n\n\tcopyAt( index1, attribute, index2 ) {\n\n\t\tindex1 *= this.itemSize;\n\t\tindex2 *= attribute.itemSize;\n\n\t\tfor ( let i = 0, l = this.itemSize; i < l; i ++ ) {\n\n\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcopyArray( array ) {\n\n\t\tthis.array.set( array );\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tif ( this.itemSize === 2 ) {\n\n\t\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t\t_vector2$1.fromBufferAttribute( this, i );\n\t\t\t\t_vector2$1.applyMatrix3( m );\n\n\t\t\t\tthis.setXY( i, _vector2$1.x, _vector2$1.y );\n\n\t\t\t}\n\n\t\t} else if ( this.itemSize === 3 ) {\n\n\t\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t\t_vector$9.fromBufferAttribute( this, i );\n\t\t\t\t_vector$9.applyMatrix3( m );\n\n\t\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.fromBufferAttribute( this, i );\n\n\t\t\t_vector$9.applyMatrix4( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyNormalMatrix( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.fromBufferAttribute( this, i );\n\n\t\t\t_vector$9.applyNormalMatrix( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttransformDirection( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.fromBufferAttribute( this, i );\n\n\t\t\t_vector$9.transformDirection( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tset( value, offset = 0 ) {\n\n\t\t// Matching BufferAttribute constructor, do not normalize the array.\n\t\tthis.array.set( value, offset );\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index, component ) {\n\n\t\tlet value = this.array[ index * this.itemSize + component ];\n\n\t\tif ( this.normalized ) value = denormalize( value, this.array );\n\n\t\treturn value;\n\n\t}\n\n\tsetComponent( index, component, value ) {\n\n\t\tif ( this.normalized ) value = normalize( value, this.array );\n\n\t\tthis.array[ index * this.itemSize + component ] = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetX( index ) {\n\n\t\tlet x = this.array[ index * this.itemSize ];\n\n\t\tif ( this.normalized ) x = denormalize( x, this.array );\n\n\t\treturn x;\n\n\t}\n\n\tsetX( index, x ) {\n\n\t\tif ( this.normalized ) x = normalize( x, this.array );\n\n\t\tthis.array[ index * this.itemSize ] = x;\n\n\t\treturn this;\n\n\t}\n\n\tgetY( index ) {\n\n\t\tlet y = this.array[ index * this.itemSize + 1 ];\n\n\t\tif ( this.normalized ) y = denormalize( y, this.array );\n\n\t\treturn y;\n\n\t}\n\n\tsetY( index, y ) {\n\n\t\tif ( this.normalized ) y = normalize( y, this.array );\n\n\t\tthis.array[ index * this.itemSize + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tgetZ( index ) {\n\n\t\tlet z = this.array[ index * this.itemSize + 2 ];\n\n\t\tif ( this.normalized ) z = denormalize( z, this.array );\n\n\t\treturn z;\n\n\t}\n\n\tsetZ( index, z ) {\n\n\t\tif ( this.normalized ) z = normalize( z, this.array );\n\n\t\tthis.array[ index * this.itemSize + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tgetW( index ) {\n\n\t\tlet w = this.array[ index * this.itemSize + 3 ];\n\n\t\tif ( this.normalized ) w = denormalize( w, this.array );\n\n\t\treturn w;\n\n\t}\n\n\tsetW( index, w ) {\n\n\t\tif ( this.normalized ) w = normalize( w, this.array );\n\n\t\tthis.array[ index * this.itemSize + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetXY( index, x, y ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\n\t\t}\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZ( index, x, y, z ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\t\t\tz = normalize( z, this.array );\n\n\t\t}\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\t\tthis.array[ index + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZW( index, x, y, z, w ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\t\t\tz = normalize( z, this.array );\n\t\t\tw = normalize( w, this.array );\n\n\t\t}\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\t\tthis.array[ index + 2 ] = z;\n\t\tthis.array[ index + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tonUpload( callback ) {\n\n\t\tthis.onUploadCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.array, this.itemSize ).copy( this );\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\titemSize: this.itemSize,\n\t\t\ttype: this.array.constructor.name,\n\t\t\tarray: Array.from( this.array ),\n\t\t\tnormalized: this.normalized\n\t\t};\n\n\t\tif ( this.name !== '' ) data.name = this.name;\n\t\tif ( this.usage !== StaticDrawUsage ) data.usage = this.usage;\n\n\t\treturn data;\n\n\t}\n\n}\n\n//\n\nclass Int8BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int8Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint8BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint8Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint8ClampedBufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint8ClampedArray( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Int16BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int16Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint16BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint16Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Int32BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint32BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Float16BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint16Array( array ), itemSize, normalized );\n\n\t\tthis.isFloat16BufferAttribute = true;\n\n\t}\n\n\tgetX( index ) {\n\n\t\tlet x = fromHalfFloat( this.array[ index * this.itemSize ] );\n\n\t\tif ( this.normalized ) x = denormalize( x, this.array );\n\n\t\treturn x;\n\n\t}\n\n\tsetX( index, x ) {\n\n\t\tif ( this.normalized ) x = normalize( x, this.array );\n\n\t\tthis.array[ index * this.itemSize ] = toHalfFloat( x );\n\n\t\treturn this;\n\n\t}\n\n\tgetY( index ) {\n\n\t\tlet y = fromHalfFloat( this.array[ index * this.itemSize + 1 ] );\n\n\t\tif ( this.normalized ) y = denormalize( y, this.array );\n\n\t\treturn y;\n\n\t}\n\n\tsetY( index, y ) {\n\n\t\tif ( this.normalized ) y = normalize( y, this.array );\n\n\t\tthis.array[ index * this.itemSize + 1 ] = toHalfFloat( y );\n\n\t\treturn this;\n\n\t}\n\n\tgetZ( index ) {\n\n\t\tlet z = fromHalfFloat( this.array[ index * this.itemSize + 2 ] );\n\n\t\tif ( this.normalized ) z = denormalize( z, this.array );\n\n\t\treturn z;\n\n\t}\n\n\tsetZ( index, z ) {\n\n\t\tif ( this.normalized ) z = normalize( z, this.array );\n\n\t\tthis.array[ index * this.itemSize + 2 ] = toHalfFloat( z );\n\n\t\treturn this;\n\n\t}\n\n\tgetW( index ) {\n\n\t\tlet w = fromHalfFloat( this.array[ index * this.itemSize + 3 ] );\n\n\t\tif ( this.normalized ) w = denormalize( w, this.array );\n\n\t\treturn w;\n\n\t}\n\n\tsetW( index, w ) {\n\n\t\tif ( this.normalized ) w = normalize( w, this.array );\n\n\t\tthis.array[ index * this.itemSize + 3 ] = toHalfFloat( w );\n\n\t\treturn this;\n\n\t}\n\n\tsetXY( index, x, y ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\n\t\t}\n\n\t\tthis.array[ index + 0 ] = toHalfFloat( x );\n\t\tthis.array[ index + 1 ] = toHalfFloat( y );\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZ( index, x, y, z ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\t\t\tz = normalize( z, this.array );\n\n\t\t}\n\n\t\tthis.array[ index + 0 ] = toHalfFloat( x );\n\t\tthis.array[ index + 1 ] = toHalfFloat( y );\n\t\tthis.array[ index + 2 ] = toHalfFloat( z );\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZW( index, x, y, z, w ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\t\t\tz = normalize( z, this.array );\n\t\t\tw = normalize( w, this.array );\n\n\t\t}\n\n\t\tthis.array[ index + 0 ] = toHalfFloat( x );\n\t\tthis.array[ index + 1 ] = toHalfFloat( y );\n\t\tthis.array[ index + 2 ] = toHalfFloat( z );\n\t\tthis.array[ index + 3 ] = toHalfFloat( w );\n\n\t\treturn this;\n\n\t}\n\n}\n\n\nclass Float32BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Float32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nlet _id$1 = 0;\n\nconst _m1 = /*@__PURE__*/ new Matrix4();\nconst _obj = /*@__PURE__*/ new Object3D();\nconst _offset = /*@__PURE__*/ new Vector3();\nconst _box$2 = /*@__PURE__*/ new Box3();\nconst _boxMorphTargets = /*@__PURE__*/ new Box3();\nconst _vector$8 = /*@__PURE__*/ new Vector3();\n\nclass BufferGeometry extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isBufferGeometry = true;\n\n\t\tObject.defineProperty( this, 'id', { value: _id$1 ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'BufferGeometry';\n\n\t\tthis.index = null;\n\t\tthis.indirect = null;\n\t\tthis.attributes = {};\n\n\t\tthis.morphAttributes = {};\n\t\tthis.morphTargetsRelative = false;\n\n\t\tthis.groups = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\tthis.drawRange = { start: 0, count: Infinity };\n\n\t\tthis.userData = {};\n\n\t}\n\n\tgetIndex() {\n\n\t\treturn this.index;\n\n\t}\n\n\tsetIndex( index ) {\n\n\t\tif ( Array.isArray( index ) ) {\n\n\t\t\tthis.index = new ( arrayNeedsUint32( index ) ? Uint32BufferAttribute : Uint16BufferAttribute )( index, 1 );\n\n\t\t} else {\n\n\t\t\tthis.index = index;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetIndirect( indirect ) {\n\n\t\tthis.indirect = indirect;\n\n\t\treturn this;\n\n\t}\n\n\tgetIndirect() {\n\n\t\treturn this.indirect;\n\n\t}\n\n\tgetAttribute( name ) {\n\n\t\treturn this.attributes[ name ];\n\n\t}\n\n\tsetAttribute( name, attribute ) {\n\n\t\tthis.attributes[ name ] = attribute;\n\n\t\treturn this;\n\n\t}\n\n\tdeleteAttribute( name ) {\n\n\t\tdelete this.attributes[ name ];\n\n\t\treturn this;\n\n\t}\n\n\thasAttribute( name ) {\n\n\t\treturn this.attributes[ name ] !== undefined;\n\n\t}\n\n\taddGroup( start, count, materialIndex = 0 ) {\n\n\t\tthis.groups.push( {\n\n\t\t\tstart: start,\n\t\t\tcount: count,\n\t\t\tmaterialIndex: materialIndex\n\n\t\t} );\n\n\t}\n\n\tclearGroups() {\n\n\t\tthis.groups = [];\n\n\t}\n\n\tsetDrawRange( start, count ) {\n\n\t\tthis.drawRange.start = start;\n\t\tthis.drawRange.count = count;\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tconst position = this.attributes.position;\n\n\t\tif ( position !== undefined ) {\n\n\t\t\tposition.applyMatrix4( matrix );\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t}\n\n\t\tconst normal = this.attributes.normal;\n\n\t\tif ( normal !== undefined ) {\n\n\t\t\tconst normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\tnormal.applyNormalMatrix( normalMatrix );\n\n\t\t\tnormal.needsUpdate = true;\n\n\t\t}\n\n\t\tconst tangent = this.attributes.tangent;\n\n\t\tif ( tangent !== undefined ) {\n\n\t\t\ttangent.transformDirection( matrix );\n\n\t\t\ttangent.needsUpdate = true;\n\n\t\t}\n\n\t\tif ( this.boundingBox !== null ) {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t}\n\n\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\tthis.computeBoundingSphere();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyQuaternion( q ) {\n\n\t\t_m1.makeRotationFromQuaternion( q );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateX( angle ) {\n\n\t\t// rotate geometry around world x-axis\n\n\t\t_m1.makeRotationX( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateY( angle ) {\n\n\t\t// rotate geometry around world y-axis\n\n\t\t_m1.makeRotationY( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateZ( angle ) {\n\n\t\t// rotate geometry around world z-axis\n\n\t\t_m1.makeRotationZ( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( x, y, z ) {\n\n\t\t// translate geometry\n\n\t\t_m1.makeTranslation( x, y, z );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\tscale( x, y, z ) {\n\n\t\t// scale geometry\n\n\t\t_m1.makeScale( x, y, z );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\tlookAt( vector ) {\n\n\t\t_obj.lookAt( vector );\n\n\t\t_obj.updateMatrix();\n\n\t\tthis.applyMatrix4( _obj.matrix );\n\n\t\treturn this;\n\n\t}\n\n\tcenter() {\n\n\t\tthis.computeBoundingBox();\n\n\t\tthis.boundingBox.getCenter( _offset ).negate();\n\n\t\tthis.translate( _offset.x, _offset.y, _offset.z );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tconst positionAttribute = this.getAttribute( 'position' );\n\n\t\tif ( positionAttribute === undefined ) {\n\n\t\t\tconst position = [];\n\n\t\t\tfor ( let i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\t\tconst point = points[ i ];\n\t\t\t\tposition.push( point.x, point.y, point.z || 0 );\n\n\t\t\t}\n\n\t\t\tthis.setAttribute( 'position', new Float32BufferAttribute( position, 3 ) );\n\n\t\t} else {\n\n\t\t\tconst l = Math.min( points.length, positionAttribute.count ); // make sure data do not exceed buffer size\n\n\t\t\tfor ( let i = 0; i < l; i ++ ) {\n\n\t\t\t\tconst point = points[ i ];\n\t\t\t\tpositionAttribute.setXYZ( i, point.x, point.y, point.z || 0 );\n\n\t\t\t}\n\n\t\t\tif ( points.length > positionAttribute.count ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: Buffer size too small for points data. Use .dispose() and create a new geometry.' );\n\n\t\t\t}\n\n\t\t\tpositionAttribute.needsUpdate = true;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcomputeBoundingBox() {\n\n\t\tif ( this.boundingBox === null ) {\n\n\t\t\tthis.boundingBox = new Box3();\n\n\t\t}\n\n\t\tconst position = this.attributes.position;\n\t\tconst morphAttributesPosition = this.morphAttributes.position;\n\n\t\tif ( position && position.isGLBufferAttribute ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box.', this );\n\n\t\t\tthis.boundingBox.set(\n\t\t\t\tnew Vector3( - Infinity, - Infinity, - Infinity ),\n\t\t\t\tnew Vector3( + Infinity, + Infinity, + Infinity )\n\t\t\t);\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( position !== undefined ) {\n\n\t\t\tthis.boundingBox.setFromBufferAttribute( position );\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\t_box$2.setFromBufferAttribute( morphAttribute );\n\n\t\t\t\t\tif ( this.morphTargetsRelative ) {\n\n\t\t\t\t\t\t_vector$8.addVectors( this.boundingBox.min, _box$2.min );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _vector$8 );\n\n\t\t\t\t\t\t_vector$8.addVectors( this.boundingBox.max, _box$2.max );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _vector$8 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _box$2.min );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _box$2.max );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tthis.boundingBox.makeEmpty();\n\n\t\t}\n\n\t\tif ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t}\n\n\t}\n\n\tcomputeBoundingSphere() {\n\n\t\tif ( this.boundingSphere === null ) {\n\n\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t}\n\n\t\tconst position = this.attributes.position;\n\t\tconst morphAttributesPosition = this.morphAttributes.position;\n\n\t\tif ( position && position.isGLBufferAttribute ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere.', this );\n\n\t\t\tthis.boundingSphere.set( new Vector3(), Infinity );\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( position ) {\n\n\t\t\t// first, find the center of the bounding sphere\n\n\t\t\tconst center = this.boundingSphere.center;\n\n\t\t\t_box$2.setFromBufferAttribute( position );\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\t_boxMorphTargets.setFromBufferAttribute( morphAttribute );\n\n\t\t\t\t\tif ( this.morphTargetsRelative ) {\n\n\t\t\t\t\t\t_vector$8.addVectors( _box$2.min, _boxMorphTargets.min );\n\t\t\t\t\t\t_box$2.expandByPoint( _vector$8 );\n\n\t\t\t\t\t\t_vector$8.addVectors( _box$2.max, _boxMorphTargets.max );\n\t\t\t\t\t\t_box$2.expandByPoint( _vector$8 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_box$2.expandByPoint( _boxMorphTargets.min );\n\t\t\t\t\t\t_box$2.expandByPoint( _boxMorphTargets.max );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_box$2.getCenter( center );\n\n\t\t\t// second, try to find a boundingSphere with a radius smaller than the\n\t\t\t// boundingSphere of the boundingBox: sqrt(3) smaller in the best case\n\n\t\t\tlet maxRadiusSq = 0;\n\n\t\t\tfor ( let i = 0, il = position.count; i < il; i ++ ) {\n\n\t\t\t\t_vector$8.fromBufferAttribute( position, i );\n\n\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$8 ) );\n\n\t\t\t}\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\tconst morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t\t\t\tfor ( let j = 0, jl = morphAttribute.count; j < jl; j ++ ) {\n\n\t\t\t\t\t\t_vector$8.fromBufferAttribute( morphAttribute, j );\n\n\t\t\t\t\t\tif ( morphTargetsRelative ) {\n\n\t\t\t\t\t\t\t_offset.fromBufferAttribute( position, j );\n\t\t\t\t\t\t\t_vector$8.add( _offset );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$8 ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.boundingSphere.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\tif ( isNaN( this.boundingSphere.radius ) ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcomputeTangents() {\n\n\t\tconst index = this.index;\n\t\tconst attributes = this.attributes;\n\n\t\t// based on http://www.terathon.com/code/tangent.html\n\t\t// (per vertex tangents)\n\n\t\tif ( index === null ||\n\t\t\t attributes.position === undefined ||\n\t\t\t attributes.normal === undefined ||\n\t\t\t attributes.uv === undefined ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst positionAttribute = attributes.position;\n\t\tconst normalAttribute = attributes.normal;\n\t\tconst uvAttribute = attributes.uv;\n\n\t\tif ( this.hasAttribute( 'tangent' ) === false ) {\n\n\t\t\tthis.setAttribute( 'tangent', new BufferAttribute( new Float32Array( 4 * positionAttribute.count ), 4 ) );\n\n\t\t}\n\n\t\tconst tangentAttribute = this.getAttribute( 'tangent' );\n\n\t\tconst tan1 = [], tan2 = [];\n\n\t\tfor ( let i = 0; i < positionAttribute.count; i ++ ) {\n\n\t\t\ttan1[ i ] = new Vector3();\n\t\t\ttan2[ i ] = new Vector3();\n\n\t\t}\n\n\t\tconst vA = new Vector3(),\n\t\t\tvB = new Vector3(),\n\t\t\tvC = new Vector3(),\n\n\t\t\tuvA = new Vector2(),\n\t\t\tuvB = new Vector2(),\n\t\t\tuvC = new Vector2(),\n\n\t\t\tsdir = new Vector3(),\n\t\t\ttdir = new Vector3();\n\n\t\tfunction handleTriangle( a, b, c ) {\n\n\t\t\tvA.fromBufferAttribute( positionAttribute, a );\n\t\t\tvB.fromBufferAttribute( positionAttribute, b );\n\t\t\tvC.fromBufferAttribute( positionAttribute, c );\n\n\t\t\tuvA.fromBufferAttribute( uvAttribute, a );\n\t\t\tuvB.fromBufferAttribute( uvAttribute, b );\n\t\t\tuvC.fromBufferAttribute( uvAttribute, c );\n\n\t\t\tvB.sub( vA );\n\t\t\tvC.sub( vA );\n\n\t\t\tuvB.sub( uvA );\n\t\t\tuvC.sub( uvA );\n\n\t\t\tconst r = 1.0 / ( uvB.x * uvC.y - uvC.x * uvB.y );\n\n\t\t\t// silently ignore degenerate uv triangles having coincident or colinear vertices\n\n\t\t\tif ( ! isFinite( r ) ) return;\n\n\t\t\tsdir.copy( vB ).multiplyScalar( uvC.y ).addScaledVector( vC, - uvB.y ).multiplyScalar( r );\n\t\t\ttdir.copy( vC ).multiplyScalar( uvB.x ).addScaledVector( vB, - uvC.x ).multiplyScalar( r );\n\n\t\t\ttan1[ a ].add( sdir );\n\t\t\ttan1[ b ].add( sdir );\n\t\t\ttan1[ c ].add( sdir );\n\n\t\t\ttan2[ a ].add( tdir );\n\t\t\ttan2[ b ].add( tdir );\n\t\t\ttan2[ c ].add( tdir );\n\n\t\t}\n\n\t\tlet groups = this.groups;\n\n\t\tif ( groups.length === 0 ) {\n\n\t\t\tgroups = [ {\n\t\t\t\tstart: 0,\n\t\t\t\tcount: index.count\n\t\t\t} ];\n\n\t\t}\n\n\t\tfor ( let i = 0, il = groups.length; i < il; ++ i ) {\n\n\t\t\tconst group = groups[ i ];\n\n\t\t\tconst start = group.start;\n\t\t\tconst count = group.count;\n\n\t\t\tfor ( let j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\thandleTriangle(\n\t\t\t\t\tindex.getX( j + 0 ),\n\t\t\t\t\tindex.getX( j + 1 ),\n\t\t\t\t\tindex.getX( j + 2 )\n\t\t\t\t);\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst tmp = new Vector3(), tmp2 = new Vector3();\n\t\tconst n = new Vector3(), n2 = new Vector3();\n\n\t\tfunction handleVertex( v ) {\n\n\t\t\tn.fromBufferAttribute( normalAttribute, v );\n\t\t\tn2.copy( n );\n\n\t\t\tconst t = tan1[ v ];\n\n\t\t\t// Gram-Schmidt orthogonalize\n\n\t\t\ttmp.copy( t );\n\t\t\ttmp.sub( n.multiplyScalar( n.dot( t ) ) ).normalize();\n\n\t\t\t// Calculate handedness\n\n\t\t\ttmp2.crossVectors( n2, t );\n\t\t\tconst test = tmp2.dot( tan2[ v ] );\n\t\t\tconst w = ( test < 0.0 ) ? - 1.0 : 1.0;\n\n\t\t\ttangentAttribute.setXYZW( v, tmp.x, tmp.y, tmp.z, w );\n\n\t\t}\n\n\t\tfor ( let i = 0, il = groups.length; i < il; ++ i ) {\n\n\t\t\tconst group = groups[ i ];\n\n\t\t\tconst start = group.start;\n\t\t\tconst count = group.count;\n\n\t\t\tfor ( let j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\thandleVertex( index.getX( j + 0 ) );\n\t\t\t\thandleVertex( index.getX( j + 1 ) );\n\t\t\t\thandleVertex( index.getX( j + 2 ) );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcomputeVertexNormals() {\n\n\t\tconst index = this.index;\n\t\tconst positionAttribute = this.getAttribute( 'position' );\n\n\t\tif ( positionAttribute !== undefined ) {\n\n\t\t\tlet normalAttribute = this.getAttribute( 'normal' );\n\n\t\t\tif ( normalAttribute === undefined ) {\n\n\t\t\t\tnormalAttribute = new BufferAttribute( new Float32Array( positionAttribute.count * 3 ), 3 );\n\t\t\t\tthis.setAttribute( 'normal', normalAttribute );\n\n\t\t\t} else {\n\n\t\t\t\t// reset existing normals to zero\n\n\t\t\t\tfor ( let i = 0, il = normalAttribute.count; i < il; i ++ ) {\n\n\t\t\t\t\tnormalAttribute.setXYZ( i, 0, 0, 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst pA = new Vector3(), pB = new Vector3(), pC = new Vector3();\n\t\t\tconst nA = new Vector3(), nB = new Vector3(), nC = new Vector3();\n\t\t\tconst cb = new Vector3(), ab = new Vector3();\n\n\t\t\t// indexed elements\n\n\t\t\tif ( index ) {\n\n\t\t\t\tfor ( let i = 0, il = index.count; i < il; i += 3 ) {\n\n\t\t\t\t\tconst vA = index.getX( i + 0 );\n\t\t\t\t\tconst vB = index.getX( i + 1 );\n\t\t\t\t\tconst vC = index.getX( i + 2 );\n\n\t\t\t\t\tpA.fromBufferAttribute( positionAttribute, vA );\n\t\t\t\t\tpB.fromBufferAttribute( positionAttribute, vB );\n\t\t\t\t\tpC.fromBufferAttribute( positionAttribute, vC );\n\n\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tnA.fromBufferAttribute( normalAttribute, vA );\n\t\t\t\t\tnB.fromBufferAttribute( normalAttribute, vB );\n\t\t\t\t\tnC.fromBufferAttribute( normalAttribute, vC );\n\n\t\t\t\t\tnA.add( cb );\n\t\t\t\t\tnB.add( cb );\n\t\t\t\t\tnC.add( cb );\n\n\t\t\t\t\tnormalAttribute.setXYZ( vA, nA.x, nA.y, nA.z );\n\t\t\t\t\tnormalAttribute.setXYZ( vB, nB.x, nB.y, nB.z );\n\t\t\t\t\tnormalAttribute.setXYZ( vC, nC.x, nC.y, nC.z );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed elements (unconnected triangle soup)\n\n\t\t\t\tfor ( let i = 0, il = positionAttribute.count; i < il; i += 3 ) {\n\n\t\t\t\t\tpA.fromBufferAttribute( positionAttribute, i + 0 );\n\t\t\t\t\tpB.fromBufferAttribute( positionAttribute, i + 1 );\n\t\t\t\t\tpC.fromBufferAttribute( positionAttribute, i + 2 );\n\n\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tnormalAttribute.setXYZ( i + 0, cb.x, cb.y, cb.z );\n\t\t\t\t\tnormalAttribute.setXYZ( i + 1, cb.x, cb.y, cb.z );\n\t\t\t\t\tnormalAttribute.setXYZ( i + 2, cb.x, cb.y, cb.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.normalizeNormals();\n\n\t\t\tnormalAttribute.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n\tnormalizeNormals() {\n\n\t\tconst normals = this.attributes.normal;\n\n\t\tfor ( let i = 0, il = normals.count; i < il; i ++ ) {\n\n\t\t\t_vector$8.fromBufferAttribute( normals, i );\n\n\t\t\t_vector$8.normalize();\n\n\t\t\tnormals.setXYZ( i, _vector$8.x, _vector$8.y, _vector$8.z );\n\n\t\t}\n\n\t}\n\n\ttoNonIndexed() {\n\n\t\tfunction convertBufferAttribute( attribute, indices ) {\n\n\t\t\tconst array = attribute.array;\n\t\t\tconst itemSize = attribute.itemSize;\n\t\t\tconst normalized = attribute.normalized;\n\n\t\t\tconst array2 = new array.constructor( indices.length * itemSize );\n\n\t\t\tlet index = 0, index2 = 0;\n\n\t\t\tfor ( let i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\tindex = indices[ i ] * attribute.data.stride + attribute.offset;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tindex = indices[ i ] * itemSize;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let j = 0; j < itemSize; j ++ ) {\n\n\t\t\t\t\tarray2[ index2 ++ ] = array[ index ++ ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn new BufferAttribute( array2, itemSize, normalized );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.index === null ) {\n\n\t\t\tconsole.warn( 'THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed.' );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst geometry2 = new BufferGeometry();\n\n\t\tconst indices = this.index.array;\n\t\tconst attributes = this.attributes;\n\n\t\t// attributes\n\n\t\tfor ( const name in attributes ) {\n\n\t\t\tconst attribute = attributes[ name ];\n\n\t\t\tconst newAttribute = convertBufferAttribute( attribute, indices );\n\n\t\t\tgeometry2.setAttribute( name, newAttribute );\n\n\t\t}\n\n\t\t// morph attributes\n\n\t\tconst morphAttributes = this.morphAttributes;\n\n\t\tfor ( const name in morphAttributes ) {\n\n\t\t\tconst morphArray = [];\n\t\t\tconst morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes\n\n\t\t\tfor ( let i = 0, il = morphAttribute.length; i < il; i ++ ) {\n\n\t\t\t\tconst attribute = morphAttribute[ i ];\n\n\t\t\t\tconst newAttribute = convertBufferAttribute( attribute, indices );\n\n\t\t\t\tmorphArray.push( newAttribute );\n\n\t\t\t}\n\n\t\t\tgeometry2.morphAttributes[ name ] = morphArray;\n\n\t\t}\n\n\t\tgeometry2.morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t// groups\n\n\t\tconst groups = this.groups;\n\n\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tconst group = groups[ i ];\n\t\t\tgeometry2.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\treturn geometry2;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.6,\n\t\t\t\ttype: 'BufferGeometry',\n\t\t\t\tgenerator: 'BufferGeometry.toJSON'\n\t\t\t}\n\t\t};\n\n\t\t// standard BufferGeometry serialization\n\n\t\tdata.uuid = this.uuid;\n\t\tdata.type = this.type;\n\t\tif ( this.name !== '' ) data.name = this.name;\n\t\tif ( Object.keys( this.userData ).length > 0 ) data.userData = this.userData;\n\n\t\tif ( this.parameters !== undefined ) {\n\n\t\t\tconst parameters = this.parameters;\n\n\t\t\tfor ( const key in parameters ) {\n\n\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\t// for simplicity the code assumes attributes are not shared across geometries, see #15811\n\n\t\tdata.data = { attributes: {} };\n\n\t\tconst index = this.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tdata.data.index = {\n\t\t\t\ttype: index.array.constructor.name,\n\t\t\t\tarray: Array.prototype.slice.call( index.array )\n\t\t\t};\n\n\t\t}\n\n\t\tconst attributes = this.attributes;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tconst attribute = attributes[ key ];\n\n\t\t\tdata.data.attributes[ key ] = attribute.toJSON( data.data );\n\n\t\t}\n\n\t\tconst morphAttributes = {};\n\t\tlet hasMorphAttributes = false;\n\n\t\tfor ( const key in this.morphAttributes ) {\n\n\t\t\tconst attributeArray = this.morphAttributes[ key ];\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0, il = attributeArray.length; i < il; i ++ ) {\n\n\t\t\t\tconst attribute = attributeArray[ i ];\n\n\t\t\t\tarray.push( attribute.toJSON( data.data ) );\n\n\t\t\t}\n\n\t\t\tif ( array.length > 0 ) {\n\n\t\t\t\tmorphAttributes[ key ] = array;\n\n\t\t\t\thasMorphAttributes = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( hasMorphAttributes ) {\n\n\t\t\tdata.data.morphAttributes = morphAttributes;\n\t\t\tdata.data.morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t}\n\n\t\tconst groups = this.groups;\n\n\t\tif ( groups.length > 0 ) {\n\n\t\t\tdata.data.groups = JSON.parse( JSON.stringify( groups ) );\n\n\t\t}\n\n\t\tconst boundingSphere = this.boundingSphere;\n\n\t\tif ( boundingSphere !== null ) {\n\n\t\t\tdata.data.boundingSphere = {\n\t\t\t\tcenter: boundingSphere.center.toArray(),\n\t\t\t\tradius: boundingSphere.radius\n\t\t\t};\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\t// reset\n\n\t\tthis.index = null;\n\t\tthis.attributes = {};\n\t\tthis.morphAttributes = {};\n\t\tthis.groups = [];\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// used for storing cloned, shared data\n\n\t\tconst data = {};\n\n\t\t// name\n\n\t\tthis.name = source.name;\n\n\t\t// index\n\n\t\tconst index = source.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tthis.setIndex( index.clone( data ) );\n\n\t\t}\n\n\t\t// attributes\n\n\t\tconst attributes = source.attributes;\n\n\t\tfor ( const name in attributes ) {\n\n\t\t\tconst attribute = attributes[ name ];\n\t\t\tthis.setAttribute( name, attribute.clone( data ) );\n\n\t\t}\n\n\t\t// morph attributes\n\n\t\tconst morphAttributes = source.morphAttributes;\n\n\t\tfor ( const name in morphAttributes ) {\n\n\t\t\tconst array = [];\n\t\t\tconst morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes\n\n\t\t\tfor ( let i = 0, l = morphAttribute.length; i < l; i ++ ) {\n\n\t\t\t\tarray.push( morphAttribute[ i ].clone( data ) );\n\n\t\t\t}\n\n\t\t\tthis.morphAttributes[ name ] = array;\n\n\t\t}\n\n\t\tthis.morphTargetsRelative = source.morphTargetsRelative;\n\n\t\t// groups\n\n\t\tconst groups = source.groups;\n\n\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tconst group = groups[ i ];\n\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\t// bounding box\n\n\t\tconst boundingBox = source.boundingBox;\n\n\t\tif ( boundingBox !== null ) {\n\n\t\t\tthis.boundingBox = boundingBox.clone();\n\n\t\t}\n\n\t\t// bounding sphere\n\n\t\tconst boundingSphere = source.boundingSphere;\n\n\t\tif ( boundingSphere !== null ) {\n\n\t\t\tthis.boundingSphere = boundingSphere.clone();\n\n\t\t}\n\n\t\t// draw range\n\n\t\tthis.drawRange.start = source.drawRange.start;\n\t\tthis.drawRange.count = source.drawRange.count;\n\n\t\t// user data\n\n\t\tthis.userData = source.userData;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n}\n\nconst _inverseMatrix$3 = /*@__PURE__*/ new Matrix4();\nconst _ray$3 = /*@__PURE__*/ new Ray();\nconst _sphere$6 = /*@__PURE__*/ new Sphere();\nconst _sphereHitAt = /*@__PURE__*/ new Vector3();\n\nconst _vA$1 = /*@__PURE__*/ new Vector3();\nconst _vB$1 = /*@__PURE__*/ new Vector3();\nconst _vC$1 = /*@__PURE__*/ new Vector3();\n\nconst _tempA = /*@__PURE__*/ new Vector3();\nconst _morphA = /*@__PURE__*/ new Vector3();\n\nconst _intersectionPoint = /*@__PURE__*/ new Vector3();\nconst _intersectionPointWorld = /*@__PURE__*/ new Vector3();\n\nclass Mesh extends Object3D {\n\n\tconstructor( geometry = new BufferGeometry(), material = new MeshBasicMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.isMesh = true;\n\n\t\tthis.type = 'Mesh';\n\n\t\tthis.geometry = geometry;\n\t\tthis.material = material;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tif ( source.morphTargetInfluences !== undefined ) {\n\n\t\t\tthis.morphTargetInfluences = source.morphTargetInfluences.slice();\n\n\t\t}\n\n\t\tif ( source.morphTargetDictionary !== undefined ) {\n\n\t\t\tthis.morphTargetDictionary = Object.assign( {}, source.morphTargetDictionary );\n\n\t\t}\n\n\t\tthis.material = Array.isArray( source.material ) ? source.material.slice() : source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tconst morphAttributes = geometry.morphAttributes;\n\t\tconst keys = Object.keys( morphAttributes );\n\n\t\tif ( keys.length > 0 ) {\n\n\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tgetVertexPosition( index, target ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst position = geometry.attributes.position;\n\t\tconst morphPosition = geometry.morphAttributes.position;\n\t\tconst morphTargetsRelative = geometry.morphTargetsRelative;\n\n\t\ttarget.fromBufferAttribute( position, index );\n\n\t\tconst morphInfluences = this.morphTargetInfluences;\n\n\t\tif ( morphPosition && morphInfluences ) {\n\n\t\t\t_morphA.set( 0, 0, 0 );\n\n\t\t\tfor ( let i = 0, il = morphPosition.length; i < il; i ++ ) {\n\n\t\t\t\tconst influence = morphInfluences[ i ];\n\t\t\t\tconst morphAttribute = morphPosition[ i ];\n\n\t\t\t\tif ( influence === 0 ) continue;\n\n\t\t\t\t_tempA.fromBufferAttribute( morphAttribute, index );\n\n\t\t\t\tif ( morphTargetsRelative ) {\n\n\t\t\t\t\t_morphA.addScaledVector( _tempA, influence );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_morphA.addScaledVector( _tempA.sub( target ), influence );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\ttarget.add( _morphA );\n\n\t\t}\n\n\t\treturn target;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst material = this.material;\n\t\tconst matrixWorld = this.matrixWorld;\n\n\t\tif ( material === undefined ) return;\n\n\t\t// test with bounding sphere in world space\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere$6.copy( geometry.boundingSphere );\n\t\t_sphere$6.applyMatrix4( matrixWorld );\n\n\t\t// check distance from ray origin to bounding sphere\n\n\t\t_ray$3.copy( raycaster.ray ).recast( raycaster.near );\n\n\t\tif ( _sphere$6.containsPoint( _ray$3.origin ) === false ) {\n\n\t\t\tif ( _ray$3.intersectSphere( _sphere$6, _sphereHitAt ) === null ) return;\n\n\t\t\tif ( _ray$3.origin.distanceToSquared( _sphereHitAt ) > ( raycaster.far - raycaster.near ) ** 2 ) return;\n\n\t\t}\n\n\t\t// convert ray to local space of mesh\n\n\t\t_inverseMatrix$3.copy( matrixWorld ).invert();\n\t\t_ray$3.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$3 );\n\n\t\t// test with bounding box in local space\n\n\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\tif ( _ray$3.intersectsBox( geometry.boundingBox ) === false ) return;\n\n\t\t}\n\n\t\t// test for intersections with geometry\n\n\t\tthis._computeIntersections( raycaster, intersects, _ray$3 );\n\n\t}\n\n\t_computeIntersections( raycaster, intersects, rayLocalSpace ) {\n\n\t\tlet intersection;\n\n\t\tconst geometry = this.geometry;\n\t\tconst material = this.material;\n\n\t\tconst index = geometry.index;\n\t\tconst position = geometry.attributes.position;\n\t\tconst uv = geometry.attributes.uv;\n\t\tconst uv1 = geometry.attributes.uv1;\n\t\tconst normal = geometry.attributes.normal;\n\t\tconst groups = geometry.groups;\n\t\tconst drawRange = geometry.drawRange;\n\n\t\tif ( index !== null ) {\n\n\t\t\t// indexed buffer geometry\n\n\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\tfor ( let i = 0, il = groups.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\tconst start = Math.max( group.start, drawRange.start );\n\t\t\t\t\tconst end = Math.min( index.count, Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ) );\n\n\t\t\t\t\tfor ( let j = start, jl = end; j < jl; j += 3 ) {\n\n\t\t\t\t\t\tconst a = index.getX( j );\n\t\t\t\t\t\tconst b = index.getX( j + 1 );\n\t\t\t\t\t\tconst c = index.getX( j + 2 );\n\n\t\t\t\t\t\tintersection = checkGeometryIntersection( this, groupMaterial, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( j / 3 ); // triangle number in indexed buffer semantics\n\t\t\t\t\t\t\tintersection.face.materialIndex = group.materialIndex;\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, il = end; i < il; i += 3 ) {\n\n\t\t\t\t\tconst a = index.getX( i );\n\t\t\t\t\tconst b = index.getX( i + 1 );\n\t\t\t\t\tconst c = index.getX( i + 2 );\n\n\t\t\t\t\tintersection = checkGeometryIntersection( this, material, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c );\n\n\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in indexed buffer semantics\n\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else if ( position !== undefined ) {\n\n\t\t\t// non-indexed buffer geometry\n\n\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\tfor ( let i = 0, il = groups.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\tconst start = Math.max( group.start, drawRange.start );\n\t\t\t\t\tconst end = Math.min( position.count, Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ) );\n\n\t\t\t\t\tfor ( let j = start, jl = end; j < jl; j += 3 ) {\n\n\t\t\t\t\t\tconst a = j;\n\t\t\t\t\t\tconst b = j + 1;\n\t\t\t\t\t\tconst c = j + 2;\n\n\t\t\t\t\t\tintersection = checkGeometryIntersection( this, groupMaterial, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( j / 3 ); // triangle number in non-indexed buffer semantics\n\t\t\t\t\t\t\tintersection.face.materialIndex = group.materialIndex;\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( position.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, il = end; i < il; i += 3 ) {\n\n\t\t\t\t\tconst a = i;\n\t\t\t\t\tconst b = i + 1;\n\t\t\t\t\tconst c = i + 2;\n\n\t\t\t\t\tintersection = checkGeometryIntersection( this, material, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c );\n\n\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in non-indexed buffer semantics\n\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nfunction checkIntersection$1( object, material, raycaster, ray, pA, pB, pC, point ) {\n\n\tlet intersect;\n\n\tif ( material.side === BackSide ) {\n\n\t\tintersect = ray.intersectTriangle( pC, pB, pA, true, point );\n\n\t} else {\n\n\t\tintersect = ray.intersectTriangle( pA, pB, pC, ( material.side === FrontSide ), point );\n\n\t}\n\n\tif ( intersect === null ) return null;\n\n\t_intersectionPointWorld.copy( point );\n\t_intersectionPointWorld.applyMatrix4( object.matrixWorld );\n\n\tconst distance = raycaster.ray.origin.distanceTo( _intersectionPointWorld );\n\n\tif ( distance < raycaster.near || distance > raycaster.far ) return null;\n\n\treturn {\n\t\tdistance: distance,\n\t\tpoint: _intersectionPointWorld.clone(),\n\t\tobject: object\n\t};\n\n}\n\nfunction checkGeometryIntersection( object, material, raycaster, ray, uv, uv1, normal, a, b, c ) {\n\n\tobject.getVertexPosition( a, _vA$1 );\n\tobject.getVertexPosition( b, _vB$1 );\n\tobject.getVertexPosition( c, _vC$1 );\n\n\tconst intersection = checkIntersection$1( object, material, raycaster, ray, _vA$1, _vB$1, _vC$1, _intersectionPoint );\n\n\tif ( intersection ) {\n\n\t\tconst barycoord = new Vector3();\n\t\tTriangle.getBarycoord( _intersectionPoint, _vA$1, _vB$1, _vC$1, barycoord );\n\n\t\tif ( uv ) {\n\n\t\t\tintersection.uv = Triangle.getInterpolatedAttribute( uv, a, b, c, barycoord, new Vector2() );\n\n\t\t}\n\n\t\tif ( uv1 ) {\n\n\t\t\tintersection.uv1 = Triangle.getInterpolatedAttribute( uv1, a, b, c, barycoord, new Vector2() );\n\n\t\t}\n\n\t\tif ( normal ) {\n\n\t\t\tintersection.normal = Triangle.getInterpolatedAttribute( normal, a, b, c, barycoord, new Vector3() );\n\n\t\t\tif ( intersection.normal.dot( ray.direction ) > 0 ) {\n\n\t\t\t\tintersection.normal.multiplyScalar( - 1 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst face = {\n\t\t\ta: a,\n\t\t\tb: b,\n\t\t\tc: c,\n\t\t\tnormal: new Vector3(),\n\t\t\tmaterialIndex: 0\n\t\t};\n\n\t\tTriangle.getNormal( _vA$1, _vB$1, _vC$1, face.normal );\n\n\t\tintersection.face = face;\n\t\tintersection.barycoord = barycoord;\n\n\t}\n\n\treturn intersection;\n\n}\n\nclass BoxGeometry extends BufferGeometry {\n\n\tconstructor( width = 1, height = 1, depth = 1, widthSegments = 1, heightSegments = 1, depthSegments = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'BoxGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tconst scope = this;\n\n\t\t// segments\n\n\t\twidthSegments = Math.floor( widthSegments );\n\t\theightSegments = Math.floor( heightSegments );\n\t\tdepthSegments = Math.floor( depthSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet numberOfVertices = 0;\n\t\tlet groupStart = 0;\n\n\t\t// build each side of the box geometry\n\n\t\tbuildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px\n\t\tbuildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx\n\t\tbuildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py\n\t\tbuildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny\n\t\tbuildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz\n\t\tbuildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\tfunction buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) {\n\n\t\t\tconst segmentWidth = width / gridX;\n\t\t\tconst segmentHeight = height / gridY;\n\n\t\t\tconst widthHalf = width / 2;\n\t\t\tconst heightHalf = height / 2;\n\t\t\tconst depthHalf = depth / 2;\n\n\t\t\tconst gridX1 = gridX + 1;\n\t\t\tconst gridY1 = gridY + 1;\n\n\t\t\tlet vertexCounter = 0;\n\t\t\tlet groupCount = 0;\n\n\t\t\tconst vector = new Vector3();\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( let iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\t\tconst y = iy * segmentHeight - heightHalf;\n\n\t\t\t\tfor ( let ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\t\tconst x = ix * segmentWidth - widthHalf;\n\n\t\t\t\t\t// set values to correct vector component\n\n\t\t\t\t\tvector[ u ] = x * udir;\n\t\t\t\t\tvector[ v ] = y * vdir;\n\t\t\t\t\tvector[ w ] = depthHalf;\n\n\t\t\t\t\t// now apply vector to vertex buffer\n\n\t\t\t\t\tvertices.push( vector.x, vector.y, vector.z );\n\n\t\t\t\t\t// set values to correct vector component\n\n\t\t\t\t\tvector[ u ] = 0;\n\t\t\t\t\tvector[ v ] = 0;\n\t\t\t\t\tvector[ w ] = depth > 0 ? 1 : - 1;\n\n\t\t\t\t\t// now apply vector to normal buffer\n\n\t\t\t\t\tnormals.push( vector.x, vector.y, vector.z );\n\n\t\t\t\t\t// uvs\n\n\t\t\t\t\tuvs.push( ix / gridX );\n\t\t\t\t\tuvs.push( 1 - ( iy / gridY ) );\n\n\t\t\t\t\t// counters\n\n\t\t\t\t\tvertexCounter += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// indices\n\n\t\t\t// 1. you need three indices to draw a single face\n\t\t\t// 2. a single segment consists of two faces\n\t\t\t// 3. so we need to generate six (2*3) indices per segment\n\n\t\t\tfor ( let iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\t\tfor ( let ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\t\tconst a = numberOfVertices + ix + gridX1 * iy;\n\t\t\t\t\tconst b = numberOfVertices + ix + gridX1 * ( iy + 1 );\n\t\t\t\t\tconst c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\t\tconst d = numberOfVertices + ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t\t// increase counter\n\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, materialIndex );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t\t// update total number of vertices\n\n\t\t\tnumberOfVertices += vertexCounter;\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new BoxGeometry( data.width, data.height, data.depth, data.widthSegments, data.heightSegments, data.depthSegments );\n\n\t}\n\n}\n\n/**\n * Uniform Utilities\n */\n\nfunction cloneUniforms( src ) {\n\n\tconst dst = {};\n\n\tfor ( const u in src ) {\n\n\t\tdst[ u ] = {};\n\n\t\tfor ( const p in src[ u ] ) {\n\n\t\t\tconst property = src[ u ][ p ];\n\n\t\t\tif ( property && ( property.isColor ||\n\t\t\t\tproperty.isMatrix3 || property.isMatrix4 ||\n\t\t\t\tproperty.isVector2 || property.isVector3 || property.isVector4 ||\n\t\t\t\tproperty.isTexture || property.isQuaternion ) ) {\n\n\t\t\t\tif ( property.isRenderTargetTexture ) {\n\n\t\t\t\t\tconsole.warn( 'UniformsUtils: Textures of render targets cannot be cloned via cloneUniforms() or mergeUniforms().' );\n\t\t\t\t\tdst[ u ][ p ] = null;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tdst[ u ][ p ] = property.clone();\n\n\t\t\t\t}\n\n\t\t\t} else if ( Array.isArray( property ) ) {\n\n\t\t\t\tdst[ u ][ p ] = property.slice();\n\n\t\t\t} else {\n\n\t\t\t\tdst[ u ][ p ] = property;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn dst;\n\n}\n\nfunction mergeUniforms( uniforms ) {\n\n\tconst merged = {};\n\n\tfor ( let u = 0; u < uniforms.length; u ++ ) {\n\n\t\tconst tmp = cloneUniforms( uniforms[ u ] );\n\n\t\tfor ( const p in tmp ) {\n\n\t\t\tmerged[ p ] = tmp[ p ];\n\n\t\t}\n\n\t}\n\n\treturn merged;\n\n}\n\nfunction cloneUniformsGroups( src ) {\n\n\tconst dst = [];\n\n\tfor ( let u = 0; u < src.length; u ++ ) {\n\n\t\tdst.push( src[ u ].clone() );\n\n\t}\n\n\treturn dst;\n\n}\n\nfunction getUnlitUniformColorSpace( renderer ) {\n\n\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\tif ( currentRenderTarget === null ) {\n\n\t\t// https://github.com/mrdoob/three.js/pull/23937#issuecomment-1111067398\n\t\treturn renderer.outputColorSpace;\n\n\t}\n\n\t// https://github.com/mrdoob/three.js/issues/27868\n\tif ( currentRenderTarget.isXRRenderTarget === true ) {\n\n\t\treturn currentRenderTarget.texture.colorSpace;\n\n\t}\n\n\treturn ColorManagement.workingColorSpace;\n\n}\n\n// Legacy\n\nconst UniformsUtils = { clone: cloneUniforms, merge: mergeUniforms };\n\nvar default_vertex = \"void main() {\\n\\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\\n}\";\n\nvar default_fragment = \"void main() {\\n\\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\\n}\";\n\nclass ShaderMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isShaderMaterial = true;\n\n\t\tthis.type = 'ShaderMaterial';\n\n\t\tthis.defines = {};\n\t\tthis.uniforms = {};\n\t\tthis.uniformsGroups = [];\n\n\t\tthis.vertexShader = default_vertex;\n\t\tthis.fragmentShader = default_fragment;\n\n\t\tthis.linewidth = 1;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false; // set to use scene fog\n\t\tthis.lights = false; // set to use scene lights\n\t\tthis.clipping = false; // set to use user-defined clipping planes\n\n\t\tthis.forceSinglePass = true;\n\n\t\tthis.extensions = {\n\t\t\tclipCullDistance: false, // set to use vertex shader clipping\n\t\t\tmultiDraw: false // set to use vertex shader multi_draw / enable gl_DrawID\n\t\t};\n\n\t\t// When rendered geometry doesn't include these attributes but the material does,\n\t\t// use these default values in WebGL. This avoids errors when buffer data is missing.\n\t\tthis.defaultAttributeValues = {\n\t\t\t'color': [ 1, 1, 1 ],\n\t\t\t'uv': [ 0, 0 ],\n\t\t\t'uv1': [ 0, 0 ]\n\t\t};\n\n\t\tthis.index0AttributeName = undefined;\n\t\tthis.uniformsNeedUpdate = false;\n\n\t\tthis.glslVersion = null;\n\n\t\tif ( parameters !== undefined ) {\n\n\t\t\tthis.setValues( parameters );\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.fragmentShader = source.fragmentShader;\n\t\tthis.vertexShader = source.vertexShader;\n\n\t\tthis.uniforms = cloneUniforms( source.uniforms );\n\t\tthis.uniformsGroups = cloneUniformsGroups( source.uniformsGroups );\n\n\t\tthis.defines = Object.assign( {}, source.defines );\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.fog = source.fog;\n\t\tthis.lights = source.lights;\n\t\tthis.clipping = source.clipping;\n\n\t\tthis.extensions = Object.assign( {}, source.extensions );\n\n\t\tthis.glslVersion = source.glslVersion;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.glslVersion = this.glslVersion;\n\t\tdata.uniforms = {};\n\n\t\tfor ( const name in this.uniforms ) {\n\n\t\t\tconst uniform = this.uniforms[ name ];\n\t\t\tconst value = uniform.value;\n\n\t\t\tif ( value && value.isTexture ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 't',\n\t\t\t\t\tvalue: value.toJSON( meta ).uuid\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isColor ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'c',\n\t\t\t\t\tvalue: value.getHex()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector2 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v2',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector3 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v3',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector4 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v4',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isMatrix3 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'm3',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isMatrix4 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'm4',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\tvalue: value\n\t\t\t\t};\n\n\t\t\t\t// note: the array variants v2v, v3v, v4v, m4v and tv are not supported so far\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( Object.keys( this.defines ).length > 0 ) data.defines = this.defines;\n\n\t\tdata.vertexShader = this.vertexShader;\n\t\tdata.fragmentShader = this.fragmentShader;\n\n\t\tdata.lights = this.lights;\n\t\tdata.clipping = this.clipping;\n\n\t\tconst extensions = {};\n\n\t\tfor ( const key in this.extensions ) {\n\n\t\t\tif ( this.extensions[ key ] === true ) extensions[ key ] = true;\n\n\t\t}\n\n\t\tif ( Object.keys( extensions ).length > 0 ) data.extensions = extensions;\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass Camera extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isCamera = true;\n\n\t\tthis.type = 'Camera';\n\n\t\tthis.matrixWorldInverse = new Matrix4();\n\n\t\tthis.projectionMatrix = new Matrix4();\n\t\tthis.projectionMatrixInverse = new Matrix4();\n\n\t\tthis.coordinateSystem = WebGLCoordinateSystem;\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.matrixWorldInverse.copy( source.matrixWorldInverse );\n\n\t\tthis.projectionMatrix.copy( source.projectionMatrix );\n\t\tthis.projectionMatrixInverse.copy( source.projectionMatrixInverse );\n\n\t\tthis.coordinateSystem = source.coordinateSystem;\n\n\t\treturn this;\n\n\t}\n\n\tgetWorldDirection( target ) {\n\n\t\treturn super.getWorldDirection( target ).negate();\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tthis.matrixWorldInverse.copy( this.matrixWorld ).invert();\n\n\t}\n\n\tupdateWorldMatrix( updateParents, updateChildren ) {\n\n\t\tsuper.updateWorldMatrix( updateParents, updateChildren );\n\n\t\tthis.matrixWorldInverse.copy( this.matrixWorld ).invert();\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _v3$1 = /*@__PURE__*/ new Vector3();\nconst _minTarget = /*@__PURE__*/ new Vector2();\nconst _maxTarget = /*@__PURE__*/ new Vector2();\n\n\nclass PerspectiveCamera extends Camera {\n\n\tconstructor( fov = 50, aspect = 1, near = 0.1, far = 2000 ) {\n\n\t\tsuper();\n\n\t\tthis.isPerspectiveCamera = true;\n\n\t\tthis.type = 'PerspectiveCamera';\n\n\t\tthis.fov = fov;\n\t\tthis.zoom = 1;\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\t\tthis.focus = 10;\n\n\t\tthis.aspect = aspect;\n\t\tthis.view = null;\n\n\t\tthis.filmGauge = 35;\t// width of the film (default in millimeters)\n\t\tthis.filmOffset = 0;\t// horizontal film offset (same unit as gauge)\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.fov = source.fov;\n\t\tthis.zoom = source.zoom;\n\n\t\tthis.near = source.near;\n\t\tthis.far = source.far;\n\t\tthis.focus = source.focus;\n\n\t\tthis.aspect = source.aspect;\n\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\tthis.filmGauge = source.filmGauge;\n\t\tthis.filmOffset = source.filmOffset;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the FOV by focal length in respect to the current .filmGauge.\n\t *\n\t * The default film gauge is 35, so that the focal length can be specified for\n\t * a 35mm (full frame) camera.\n\t *\n\t * @param {number} focalLength - Values for focal length and film gauge must have the same unit.\n\t */\n\tsetFocalLength( focalLength ) {\n\n\t\t/** see {@link http://www.bobatkins.com/photography/technical/field_of_view.html} */\n\t\tconst vExtentSlope = 0.5 * this.getFilmHeight() / focalLength;\n\n\t\tthis.fov = RAD2DEG * 2 * Math.atan( vExtentSlope );\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\t/**\n\t * Calculates the focal length from the current .fov and .filmGauge.\n\t *\n\t * @returns {number}\n\t */\n\tgetFocalLength() {\n\n\t\tconst vExtentSlope = Math.tan( DEG2RAD * 0.5 * this.fov );\n\n\t\treturn 0.5 * this.getFilmHeight() / vExtentSlope;\n\n\t}\n\n\tgetEffectiveFOV() {\n\n\t\treturn RAD2DEG * 2 * Math.atan(\n\t\t\tMath.tan( DEG2RAD * 0.5 * this.fov ) / this.zoom );\n\n\t}\n\n\tgetFilmWidth() {\n\n\t\t// film not completely covered in portrait format (aspect < 1)\n\t\treturn this.filmGauge * Math.min( this.aspect, 1 );\n\n\t}\n\n\tgetFilmHeight() {\n\n\t\t// film not completely covered in landscape format (aspect > 1)\n\t\treturn this.filmGauge / Math.max( this.aspect, 1 );\n\n\t}\n\n\t/**\n\t * Computes the 2D bounds of the camera's viewable rectangle at a given distance along the viewing direction.\n\t * Sets minTarget and maxTarget to the coordinates of the lower-left and upper-right corners of the view rectangle.\n\t *\n\t * @param {number} distance\n\t * @param {Vector2} minTarget\n\t * @param {Vector2} maxTarget\n\t */\n\tgetViewBounds( distance, minTarget, maxTarget ) {\n\n\t\t_v3$1.set( - 1, - 1, 0.5 ).applyMatrix4( this.projectionMatrixInverse );\n\n\t\tminTarget.set( _v3$1.x, _v3$1.y ).multiplyScalar( - distance / _v3$1.z );\n\n\t\t_v3$1.set( 1, 1, 0.5 ).applyMatrix4( this.projectionMatrixInverse );\n\n\t\tmaxTarget.set( _v3$1.x, _v3$1.y ).multiplyScalar( - distance / _v3$1.z );\n\n\t}\n\n\t/**\n\t * Computes the width and height of the camera's viewable rectangle at a given distance along the viewing direction.\n\t *\n\t * @param {number} distance\n\t * @param {Vector2} target - Vector2 target used to store result where x is width and y is height.\n\t * @returns {Vector2}\n\t */\n\tgetViewSize( distance, target ) {\n\n\t\tthis.getViewBounds( distance, _minTarget, _maxTarget );\n\n\t\treturn target.subVectors( _maxTarget, _minTarget );\n\n\t}\n\n\t/**\n\t * Sets an offset in a larger frustum. This is useful for multi-window or\n\t * multi-monitor/multi-machine setups.\n\t *\n\t * For example, if you have 3x2 monitors and each monitor is 1920x1080 and\n\t * the monitors are in grid like this\n\t *\n\t * +---+---+---+\n\t * | A | B | C |\n\t * +---+---+---+\n\t * | D | E | F |\n\t * +---+---+---+\n\t *\n\t * then for each monitor you would call it like this\n\t *\n\t * const w = 1920;\n\t * const h = 1080;\n\t * const fullWidth = w * 3;\n\t * const fullHeight = h * 2;\n\t *\n\t * --A--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 0, w, h );\n\t * --B--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 0, w, h );\n\t * --C--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 0, w, h );\n\t * --D--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 1, w, h );\n\t * --E--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 1, w, h );\n\t * --F--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 1, w, h );\n\t *\n\t * Note there is no reason monitors have to be the same size or in a grid.\n\t *\n\t * @param {number} fullWidth\n\t * @param {number} fullHeight\n\t * @param {number} x\n\t * @param {number} y\n\t * @param {number} width\n\t * @param {number} height\n\t */\n\tsetViewOffset( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\tthis.aspect = fullWidth / fullHeight;\n\n\t\tif ( this.view === null ) {\n\n\t\t\tthis.view = {\n\t\t\t\tenabled: true,\n\t\t\t\tfullWidth: 1,\n\t\t\t\tfullHeight: 1,\n\t\t\t\toffsetX: 0,\n\t\t\t\toffsetY: 0,\n\t\t\t\twidth: 1,\n\t\t\t\theight: 1\n\t\t\t};\n\n\t\t}\n\n\t\tthis.view.enabled = true;\n\t\tthis.view.fullWidth = fullWidth;\n\t\tthis.view.fullHeight = fullHeight;\n\t\tthis.view.offsetX = x;\n\t\tthis.view.offsetY = y;\n\t\tthis.view.width = width;\n\t\tthis.view.height = height;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tclearViewOffset() {\n\n\t\tif ( this.view !== null ) {\n\n\t\t\tthis.view.enabled = false;\n\n\t\t}\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tupdateProjectionMatrix() {\n\n\t\tconst near = this.near;\n\t\tlet top = near * Math.tan( DEG2RAD * 0.5 * this.fov ) / this.zoom;\n\t\tlet height = 2 * top;\n\t\tlet width = this.aspect * height;\n\t\tlet left = - 0.5 * width;\n\t\tconst view = this.view;\n\n\t\tif ( this.view !== null && this.view.enabled ) {\n\n\t\t\tconst fullWidth = view.fullWidth,\n\t\t\t\tfullHeight = view.fullHeight;\n\n\t\t\tleft += view.offsetX * width / fullWidth;\n\t\t\ttop -= view.offsetY * height / fullHeight;\n\t\t\twidth *= view.width / fullWidth;\n\t\t\theight *= view.height / fullHeight;\n\n\t\t}\n\n\t\tconst skew = this.filmOffset;\n\t\tif ( skew !== 0 ) left += near * skew / this.getFilmWidth();\n\n\t\tthis.projectionMatrix.makePerspective( left, left + width, top, top - height, near, this.far, this.coordinateSystem );\n\n\t\tthis.projectionMatrixInverse.copy( this.projectionMatrix ).invert();\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.fov = this.fov;\n\t\tdata.object.zoom = this.zoom;\n\n\t\tdata.object.near = this.near;\n\t\tdata.object.far = this.far;\n\t\tdata.object.focus = this.focus;\n\n\t\tdata.object.aspect = this.aspect;\n\n\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\tdata.object.filmGauge = this.filmGauge;\n\t\tdata.object.filmOffset = this.filmOffset;\n\n\t\treturn data;\n\n\t}\n\n}\n\nconst fov = - 90; // negative fov is not an error\nconst aspect = 1;\n\nclass CubeCamera extends Object3D {\n\n\tconstructor( near, far, renderTarget ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CubeCamera';\n\n\t\tthis.renderTarget = renderTarget;\n\t\tthis.coordinateSystem = null;\n\t\tthis.activeMipmapLevel = 0;\n\n\t\tconst cameraPX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPX.layers = this.layers;\n\t\tthis.add( cameraPX );\n\n\t\tconst cameraNX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNX.layers = this.layers;\n\t\tthis.add( cameraNX );\n\n\t\tconst cameraPY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPY.layers = this.layers;\n\t\tthis.add( cameraPY );\n\n\t\tconst cameraNY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNY.layers = this.layers;\n\t\tthis.add( cameraNY );\n\n\t\tconst cameraPZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPZ.layers = this.layers;\n\t\tthis.add( cameraPZ );\n\n\t\tconst cameraNZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNZ.layers = this.layers;\n\t\tthis.add( cameraNZ );\n\n\t}\n\n\tupdateCoordinateSystem() {\n\n\t\tconst coordinateSystem = this.coordinateSystem;\n\n\t\tconst cameras = this.children.concat();\n\n\t\tconst [ cameraPX, cameraNX, cameraPY, cameraNY, cameraPZ, cameraNZ ] = cameras;\n\n\t\tfor ( const camera of cameras ) this.remove( camera );\n\n\t\tif ( coordinateSystem === WebGLCoordinateSystem ) {\n\n\t\t\tcameraPX.up.set( 0, 1, 0 );\n\t\t\tcameraPX.lookAt( 1, 0, 0 );\n\n\t\t\tcameraNX.up.set( 0, 1, 0 );\n\t\t\tcameraNX.lookAt( - 1, 0, 0 );\n\n\t\t\tcameraPY.up.set( 0, 0, - 1 );\n\t\t\tcameraPY.lookAt( 0, 1, 0 );\n\n\t\t\tcameraNY.up.set( 0, 0, 1 );\n\t\t\tcameraNY.lookAt( 0, - 1, 0 );\n\n\t\t\tcameraPZ.up.set( 0, 1, 0 );\n\t\t\tcameraPZ.lookAt( 0, 0, 1 );\n\n\t\t\tcameraNZ.up.set( 0, 1, 0 );\n\t\t\tcameraNZ.lookAt( 0, 0, - 1 );\n\n\t\t} else if ( coordinateSystem === WebGPUCoordinateSystem ) {\n\n\t\t\tcameraPX.up.set( 0, - 1, 0 );\n\t\t\tcameraPX.lookAt( - 1, 0, 0 );\n\n\t\t\tcameraNX.up.set( 0, - 1, 0 );\n\t\t\tcameraNX.lookAt( 1, 0, 0 );\n\n\t\t\tcameraPY.up.set( 0, 0, 1 );\n\t\t\tcameraPY.lookAt( 0, 1, 0 );\n\n\t\t\tcameraNY.up.set( 0, 0, - 1 );\n\t\t\tcameraNY.lookAt( 0, - 1, 0 );\n\n\t\t\tcameraPZ.up.set( 0, - 1, 0 );\n\t\t\tcameraPZ.lookAt( 0, 0, 1 );\n\n\t\t\tcameraNZ.up.set( 0, - 1, 0 );\n\t\t\tcameraNZ.lookAt( 0, 0, - 1 );\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: ' + coordinateSystem );\n\n\t\t}\n\n\t\tfor ( const camera of cameras ) {\n\n\t\t\tthis.add( camera );\n\n\t\t\tcamera.updateMatrixWorld();\n\n\t\t}\n\n\t}\n\n\tupdate( renderer, scene ) {\n\n\t\tif ( this.parent === null ) this.updateMatrixWorld();\n\n\t\tconst { renderTarget, activeMipmapLevel } = this;\n\n\t\tif ( this.coordinateSystem !== renderer.coordinateSystem ) {\n\n\t\t\tthis.coordinateSystem = renderer.coordinateSystem;\n\n\t\t\tthis.updateCoordinateSystem();\n\n\t\t}\n\n\t\tconst [ cameraPX, cameraNX, cameraPY, cameraNY, cameraPZ, cameraNZ ] = this.children;\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\t\tconst currentActiveCubeFace = renderer.getActiveCubeFace();\n\t\tconst currentActiveMipmapLevel = renderer.getActiveMipmapLevel();\n\n\t\tconst currentXrEnabled = renderer.xr.enabled;\n\n\t\trenderer.xr.enabled = false;\n\n\t\tconst generateMipmaps = renderTarget.texture.generateMipmaps;\n\n\t\trenderTarget.texture.generateMipmaps = false;\n\n\t\trenderer.setRenderTarget( renderTarget, 0, activeMipmapLevel );\n\t\trenderer.render( scene, cameraPX );\n\n\t\trenderer.setRenderTarget( renderTarget, 1, activeMipmapLevel );\n\t\trenderer.render( scene, cameraNX );\n\n\t\trenderer.setRenderTarget( renderTarget, 2, activeMipmapLevel );\n\t\trenderer.render( scene, cameraPY );\n\n\t\trenderer.setRenderTarget( renderTarget, 3, activeMipmapLevel );\n\t\trenderer.render( scene, cameraNY );\n\n\t\trenderer.setRenderTarget( renderTarget, 4, activeMipmapLevel );\n\t\trenderer.render( scene, cameraPZ );\n\n\t\t// mipmaps are generated during the last call of render()\n\t\t// at this point, all sides of the cube render target are defined\n\n\t\trenderTarget.texture.generateMipmaps = generateMipmaps;\n\n\t\trenderer.setRenderTarget( renderTarget, 5, activeMipmapLevel );\n\t\trenderer.render( scene, cameraNZ );\n\n\t\trenderer.setRenderTarget( currentRenderTarget, currentActiveCubeFace, currentActiveMipmapLevel );\n\n\t\trenderer.xr.enabled = currentXrEnabled;\n\n\t\trenderTarget.texture.needsPMREMUpdate = true;\n\n\t}\n\n}\n\nclass CubeTexture extends Texture {\n\n\tconstructor( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace ) {\n\n\t\timages = images !== undefined ? images : [];\n\t\tmapping = mapping !== undefined ? mapping : CubeReflectionMapping;\n\n\t\tsuper( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace );\n\n\t\tthis.isCubeTexture = true;\n\n\t\tthis.flipY = false;\n\n\t}\n\n\tget images() {\n\n\t\treturn this.image;\n\n\t}\n\n\tset images( value ) {\n\n\t\tthis.image = value;\n\n\t}\n\n}\n\nclass WebGLCubeRenderTarget extends WebGLRenderTarget {\n\n\tconstructor( size = 1, options = {} ) {\n\n\t\tsuper( size, size, options );\n\n\t\tthis.isWebGLCubeRenderTarget = true;\n\n\t\tconst image = { width: size, height: size, depth: 1 };\n\t\tconst images = [ image, image, image, image, image, image ];\n\n\t\tthis.texture = new CubeTexture( images, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.colorSpace );\n\n\t\t// By convention -- likely based on the RenderMan spec from the 1990's -- cube maps are specified by WebGL (and three.js)\n\t\t// in a coordinate system in which positive-x is to the right when looking up the positive-z axis -- in other words,\n\t\t// in a left-handed coordinate system. By continuing this convention, preexisting cube maps continued to render correctly.\n\n\t\t// three.js uses a right-handed coordinate system. So environment maps used in three.js appear to have px and nx swapped\n\t\t// and the flag isRenderTargetTexture controls this conversion. The flip is not required when using WebGLCubeRenderTarget.texture\n\t\t// as a cube texture (this is detected when isRenderTargetTexture is set to true for cube textures).\n\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t\tthis.texture.generateMipmaps = options.generateMipmaps !== undefined ? options.generateMipmaps : false;\n\t\tthis.texture.minFilter = options.minFilter !== undefined ? options.minFilter : LinearFilter;\n\n\t}\n\n\tfromEquirectangularTexture( renderer, texture ) {\n\n\t\tthis.texture.type = texture.type;\n\t\tthis.texture.colorSpace = texture.colorSpace;\n\n\t\tthis.texture.generateMipmaps = texture.generateMipmaps;\n\t\tthis.texture.minFilter = texture.minFilter;\n\t\tthis.texture.magFilter = texture.magFilter;\n\n\t\tconst shader = {\n\n\t\t\tuniforms: {\n\t\t\t\ttEquirect: { value: null },\n\t\t\t},\n\n\t\t\tvertexShader: /* glsl */`\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include \n\t\t\t\t\t#include \n\n\t\t\t\t}\n\t\t\t`,\n\n\t\t\tfragmentShader: /* glsl */`\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include \n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t`\n\t\t};\n\n\t\tconst geometry = new BoxGeometry( 5, 5, 5 );\n\n\t\tconst material = new ShaderMaterial( {\n\n\t\t\tname: 'CubemapFromEquirect',\n\n\t\t\tuniforms: cloneUniforms( shader.uniforms ),\n\t\t\tvertexShader: shader.vertexShader,\n\t\t\tfragmentShader: shader.fragmentShader,\n\t\t\tside: BackSide,\n\t\t\tblending: NoBlending\n\n\t\t} );\n\n\t\tmaterial.uniforms.tEquirect.value = texture;\n\n\t\tconst mesh = new Mesh( geometry, material );\n\n\t\tconst currentMinFilter = texture.minFilter;\n\n\t\t// Avoid blurred poles\n\t\tif ( texture.minFilter === LinearMipmapLinearFilter ) texture.minFilter = LinearFilter;\n\n\t\tconst camera = new CubeCamera( 1, 10, this );\n\t\tcamera.update( renderer, mesh );\n\n\t\ttexture.minFilter = currentMinFilter;\n\n\t\tmesh.geometry.dispose();\n\t\tmesh.material.dispose();\n\n\t\treturn this;\n\n\t}\n\n\tclear( renderer, color, depth, stencil ) {\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\trenderer.setRenderTarget( this, i );\n\n\t\t\trenderer.clear( color, depth, stencil );\n\n\t\t}\n\n\t\trenderer.setRenderTarget( currentRenderTarget );\n\n\t}\n\n}\n\nclass Group extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isGroup = true;\n\n\t\tthis.type = 'Group';\n\n\t}\n\n}\n\nconst _moveEvent = { type: 'move' };\n\nclass WebXRController {\n\n\tconstructor() {\n\n\t\tthis._targetRay = null;\n\t\tthis._grip = null;\n\t\tthis._hand = null;\n\n\t}\n\n\tgetHandSpace() {\n\n\t\tif ( this._hand === null ) {\n\n\t\t\tthis._hand = new Group();\n\t\t\tthis._hand.matrixAutoUpdate = false;\n\t\t\tthis._hand.visible = false;\n\n\t\t\tthis._hand.joints = {};\n\t\t\tthis._hand.inputState = { pinching: false };\n\n\t\t}\n\n\t\treturn this._hand;\n\n\t}\n\n\tgetTargetRaySpace() {\n\n\t\tif ( this._targetRay === null ) {\n\n\t\t\tthis._targetRay = new Group();\n\t\t\tthis._targetRay.matrixAutoUpdate = false;\n\t\t\tthis._targetRay.visible = false;\n\t\t\tthis._targetRay.hasLinearVelocity = false;\n\t\t\tthis._targetRay.linearVelocity = new Vector3();\n\t\t\tthis._targetRay.hasAngularVelocity = false;\n\t\t\tthis._targetRay.angularVelocity = new Vector3();\n\n\t\t}\n\n\t\treturn this._targetRay;\n\n\t}\n\n\tgetGripSpace() {\n\n\t\tif ( this._grip === null ) {\n\n\t\t\tthis._grip = new Group();\n\t\t\tthis._grip.matrixAutoUpdate = false;\n\t\t\tthis._grip.visible = false;\n\t\t\tthis._grip.hasLinearVelocity = false;\n\t\t\tthis._grip.linearVelocity = new Vector3();\n\t\t\tthis._grip.hasAngularVelocity = false;\n\t\t\tthis._grip.angularVelocity = new Vector3();\n\n\t\t}\n\n\t\treturn this._grip;\n\n\t}\n\n\tdispatchEvent( event ) {\n\n\t\tif ( this._targetRay !== null ) {\n\n\t\t\tthis._targetRay.dispatchEvent( event );\n\n\t\t}\n\n\t\tif ( this._grip !== null ) {\n\n\t\t\tthis._grip.dispatchEvent( event );\n\n\t\t}\n\n\t\tif ( this._hand !== null ) {\n\n\t\t\tthis._hand.dispatchEvent( event );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tconnect( inputSource ) {\n\n\t\tif ( inputSource && inputSource.hand ) {\n\n\t\t\tconst hand = this._hand;\n\n\t\t\tif ( hand ) {\n\n\t\t\t\tfor ( const inputjoint of inputSource.hand.values() ) {\n\n\t\t\t\t\t// Initialize hand with joints when connected\n\t\t\t\t\tthis._getHandJoint( hand, inputjoint );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.dispatchEvent( { type: 'connected', data: inputSource } );\n\n\t\treturn this;\n\n\t}\n\n\tdisconnect( inputSource ) {\n\n\t\tthis.dispatchEvent( { type: 'disconnected', data: inputSource } );\n\n\t\tif ( this._targetRay !== null ) {\n\n\t\t\tthis._targetRay.visible = false;\n\n\t\t}\n\n\t\tif ( this._grip !== null ) {\n\n\t\t\tthis._grip.visible = false;\n\n\t\t}\n\n\t\tif ( this._hand !== null ) {\n\n\t\t\tthis._hand.visible = false;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tupdate( inputSource, frame, referenceSpace ) {\n\n\t\tlet inputPose = null;\n\t\tlet gripPose = null;\n\t\tlet handPose = null;\n\n\t\tconst targetRay = this._targetRay;\n\t\tconst grip = this._grip;\n\t\tconst hand = this._hand;\n\n\t\tif ( inputSource && frame.session.visibilityState !== 'visible-blurred' ) {\n\n\t\t\tif ( hand && inputSource.hand ) {\n\n\t\t\t\thandPose = true;\n\n\t\t\t\tfor ( const inputjoint of inputSource.hand.values() ) {\n\n\t\t\t\t\t// Update the joints groups with the XRJoint poses\n\t\t\t\t\tconst jointPose = frame.getJointPose( inputjoint, referenceSpace );\n\n\t\t\t\t\t// The transform of this joint will be updated with the joint pose on each frame\n\t\t\t\t\tconst joint = this._getHandJoint( hand, inputjoint );\n\n\t\t\t\t\tif ( jointPose !== null ) {\n\n\t\t\t\t\t\tjoint.matrix.fromArray( jointPose.transform.matrix );\n\t\t\t\t\t\tjoint.matrix.decompose( joint.position, joint.rotation, joint.scale );\n\t\t\t\t\t\tjoint.matrixWorldNeedsUpdate = true;\n\t\t\t\t\t\tjoint.jointRadius = jointPose.radius;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tjoint.visible = jointPose !== null;\n\n\t\t\t\t}\n\n\t\t\t\t// Custom events\n\n\t\t\t\t// Check pinchz\n\t\t\t\tconst indexTip = hand.joints[ 'index-finger-tip' ];\n\t\t\t\tconst thumbTip = hand.joints[ 'thumb-tip' ];\n\t\t\t\tconst distance = indexTip.position.distanceTo( thumbTip.position );\n\n\t\t\t\tconst distanceToPinch = 0.02;\n\t\t\t\tconst threshold = 0.005;\n\n\t\t\t\tif ( hand.inputState.pinching && distance > distanceToPinch + threshold ) {\n\n\t\t\t\t\thand.inputState.pinching = false;\n\t\t\t\t\tthis.dispatchEvent( {\n\t\t\t\t\t\ttype: 'pinchend',\n\t\t\t\t\t\thandedness: inputSource.handedness,\n\t\t\t\t\t\ttarget: this\n\t\t\t\t\t} );\n\n\t\t\t\t} else if ( ! hand.inputState.pinching && distance <= distanceToPinch - threshold ) {\n\n\t\t\t\t\thand.inputState.pinching = true;\n\t\t\t\t\tthis.dispatchEvent( {\n\t\t\t\t\t\ttype: 'pinchstart',\n\t\t\t\t\t\thandedness: inputSource.handedness,\n\t\t\t\t\t\ttarget: this\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( grip !== null && inputSource.gripSpace ) {\n\n\t\t\t\t\tgripPose = frame.getPose( inputSource.gripSpace, referenceSpace );\n\n\t\t\t\t\tif ( gripPose !== null ) {\n\n\t\t\t\t\t\tgrip.matrix.fromArray( gripPose.transform.matrix );\n\t\t\t\t\t\tgrip.matrix.decompose( grip.position, grip.rotation, grip.scale );\n\t\t\t\t\t\tgrip.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t\t\tif ( gripPose.linearVelocity ) {\n\n\t\t\t\t\t\t\tgrip.hasLinearVelocity = true;\n\t\t\t\t\t\t\tgrip.linearVelocity.copy( gripPose.linearVelocity );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgrip.hasLinearVelocity = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( gripPose.angularVelocity ) {\n\n\t\t\t\t\t\t\tgrip.hasAngularVelocity = true;\n\t\t\t\t\t\t\tgrip.angularVelocity.copy( gripPose.angularVelocity );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgrip.hasAngularVelocity = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( targetRay !== null ) {\n\n\t\t\t\tinputPose = frame.getPose( inputSource.targetRaySpace, referenceSpace );\n\n\t\t\t\t// Some runtimes (namely Vive Cosmos with Vive OpenXR Runtime) have only grip space and ray space is equal to it\n\t\t\t\tif ( inputPose === null && gripPose !== null ) {\n\n\t\t\t\t\tinputPose = gripPose;\n\n\t\t\t\t}\n\n\t\t\t\tif ( inputPose !== null ) {\n\n\t\t\t\t\ttargetRay.matrix.fromArray( inputPose.transform.matrix );\n\t\t\t\t\ttargetRay.matrix.decompose( targetRay.position, targetRay.rotation, targetRay.scale );\n\t\t\t\t\ttargetRay.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t\tif ( inputPose.linearVelocity ) {\n\n\t\t\t\t\t\ttargetRay.hasLinearVelocity = true;\n\t\t\t\t\t\ttargetRay.linearVelocity.copy( inputPose.linearVelocity );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttargetRay.hasLinearVelocity = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( inputPose.angularVelocity ) {\n\n\t\t\t\t\t\ttargetRay.hasAngularVelocity = true;\n\t\t\t\t\t\ttargetRay.angularVelocity.copy( inputPose.angularVelocity );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttargetRay.hasAngularVelocity = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.dispatchEvent( _moveEvent );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t}\n\n\t\tif ( targetRay !== null ) {\n\n\t\t\ttargetRay.visible = ( inputPose !== null );\n\n\t\t}\n\n\t\tif ( grip !== null ) {\n\n\t\t\tgrip.visible = ( gripPose !== null );\n\n\t\t}\n\n\t\tif ( hand !== null ) {\n\n\t\t\thand.visible = ( handPose !== null );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// private method\n\n\t_getHandJoint( hand, inputjoint ) {\n\n\t\tif ( hand.joints[ inputjoint.jointName ] === undefined ) {\n\n\t\t\tconst joint = new Group();\n\t\t\tjoint.matrixAutoUpdate = false;\n\t\t\tjoint.visible = false;\n\t\t\thand.joints[ inputjoint.jointName ] = joint;\n\n\t\t\thand.add( joint );\n\n\t\t}\n\n\t\treturn hand.joints[ inputjoint.jointName ];\n\n\t}\n\n}\n\nclass FogExp2 {\n\n\tconstructor( color, density = 0.00025 ) {\n\n\t\tthis.isFogExp2 = true;\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\t\tthis.density = density;\n\n\t}\n\n\tclone() {\n\n\t\treturn new FogExp2( this.color, this.density );\n\n\t}\n\n\ttoJSON( /* meta */ ) {\n\n\t\treturn {\n\t\t\ttype: 'FogExp2',\n\t\t\tname: this.name,\n\t\t\tcolor: this.color.getHex(),\n\t\t\tdensity: this.density\n\t\t};\n\n\t}\n\n}\n\nclass Fog {\n\n\tconstructor( color, near = 1, far = 1000 ) {\n\n\t\tthis.isFog = true;\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\n\t}\n\n\tclone() {\n\n\t\treturn new Fog( this.color, this.near, this.far );\n\n\t}\n\n\ttoJSON( /* meta */ ) {\n\n\t\treturn {\n\t\t\ttype: 'Fog',\n\t\t\tname: this.name,\n\t\t\tcolor: this.color.getHex(),\n\t\t\tnear: this.near,\n\t\t\tfar: this.far\n\t\t};\n\n\t}\n\n}\n\nclass Scene extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isScene = true;\n\n\t\tthis.type = 'Scene';\n\n\t\tthis.background = null;\n\t\tthis.environment = null;\n\t\tthis.fog = null;\n\n\t\tthis.backgroundBlurriness = 0;\n\t\tthis.backgroundIntensity = 1;\n\t\tthis.backgroundRotation = new Euler();\n\n\t\tthis.environmentIntensity = 1;\n\t\tthis.environmentRotation = new Euler();\n\n\t\tthis.overrideMaterial = null;\n\n\t\tif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t\t\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) );\n\n\t\t}\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tif ( source.background !== null ) this.background = source.background.clone();\n\t\tif ( source.environment !== null ) this.environment = source.environment.clone();\n\t\tif ( source.fog !== null ) this.fog = source.fog.clone();\n\n\t\tthis.backgroundBlurriness = source.backgroundBlurriness;\n\t\tthis.backgroundIntensity = source.backgroundIntensity;\n\t\tthis.backgroundRotation.copy( source.backgroundRotation );\n\n\t\tthis.environmentIntensity = source.environmentIntensity;\n\t\tthis.environmentRotation.copy( source.environmentRotation );\n\n\t\tif ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone();\n\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tif ( this.fog !== null ) data.object.fog = this.fog.toJSON();\n\n\t\tif ( this.backgroundBlurriness > 0 ) data.object.backgroundBlurriness = this.backgroundBlurriness;\n\t\tif ( this.backgroundIntensity !== 1 ) data.object.backgroundIntensity = this.backgroundIntensity;\n\t\tdata.object.backgroundRotation = this.backgroundRotation.toArray();\n\n\t\tif ( this.environmentIntensity !== 1 ) data.object.environmentIntensity = this.environmentIntensity;\n\t\tdata.object.environmentRotation = this.environmentRotation.toArray();\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass InterleavedBuffer {\n\n\tconstructor( array, stride ) {\n\n\t\tthis.isInterleavedBuffer = true;\n\n\t\tthis.array = array;\n\t\tthis.stride = stride;\n\t\tthis.count = array !== undefined ? array.length / stride : 0;\n\n\t\tthis.usage = StaticDrawUsage;\n\t\tthis.updateRanges = [];\n\n\t\tthis.version = 0;\n\n\t\tthis.uuid = generateUUID();\n\n\t}\n\n\tonUploadCallback() {}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tsetUsage( value ) {\n\n\t\tthis.usage = value;\n\n\t\treturn this;\n\n\t}\n\n\taddUpdateRange( start, count ) {\n\n\t\tthis.updateRanges.push( { start, count } );\n\n\t}\n\n\tclearUpdateRanges() {\n\n\t\tthis.updateRanges.length = 0;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.array = new source.array.constructor( source.array );\n\t\tthis.count = source.count;\n\t\tthis.stride = source.stride;\n\t\tthis.usage = source.usage;\n\n\t\treturn this;\n\n\t}\n\n\tcopyAt( index1, attribute, index2 ) {\n\n\t\tindex1 *= this.stride;\n\t\tindex2 *= attribute.stride;\n\n\t\tfor ( let i = 0, l = this.stride; i < l; i ++ ) {\n\n\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tset( value, offset = 0 ) {\n\n\t\tthis.array.set( value, offset );\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tif ( data.arrayBuffers === undefined ) {\n\n\t\t\tdata.arrayBuffers = {};\n\n\t\t}\n\n\t\tif ( this.array.buffer._uuid === undefined ) {\n\n\t\t\tthis.array.buffer._uuid = generateUUID();\n\n\t\t}\n\n\t\tif ( data.arrayBuffers[ this.array.buffer._uuid ] === undefined ) {\n\n\t\t\tdata.arrayBuffers[ this.array.buffer._uuid ] = this.array.slice( 0 ).buffer;\n\n\t\t}\n\n\t\tconst array = new this.array.constructor( data.arrayBuffers[ this.array.buffer._uuid ] );\n\n\t\tconst ib = new this.constructor( array, this.stride );\n\t\tib.setUsage( this.usage );\n\n\t\treturn ib;\n\n\t}\n\n\tonUpload( callback ) {\n\n\t\tthis.onUploadCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tif ( data.arrayBuffers === undefined ) {\n\n\t\t\tdata.arrayBuffers = {};\n\n\t\t}\n\n\t\t// generate UUID for array buffer if necessary\n\n\t\tif ( this.array.buffer._uuid === undefined ) {\n\n\t\t\tthis.array.buffer._uuid = generateUUID();\n\n\t\t}\n\n\t\tif ( data.arrayBuffers[ this.array.buffer._uuid ] === undefined ) {\n\n\t\t\tdata.arrayBuffers[ this.array.buffer._uuid ] = Array.from( new Uint32Array( this.array.buffer ) );\n\n\t\t}\n\n\t\t//\n\n\t\treturn {\n\t\t\tuuid: this.uuid,\n\t\t\tbuffer: this.array.buffer._uuid,\n\t\t\ttype: this.array.constructor.name,\n\t\t\tstride: this.stride\n\t\t};\n\n\t}\n\n}\n\nconst _vector$7 = /*@__PURE__*/ new Vector3();\n\nclass InterleavedBufferAttribute {\n\n\tconstructor( interleavedBuffer, itemSize, offset, normalized = false ) {\n\n\t\tthis.isInterleavedBufferAttribute = true;\n\n\t\tthis.name = '';\n\n\t\tthis.data = interleavedBuffer;\n\t\tthis.itemSize = itemSize;\n\t\tthis.offset = offset;\n\n\t\tthis.normalized = normalized;\n\n\t}\n\n\tget count() {\n\n\t\treturn this.data.count;\n\n\t}\n\n\tget array() {\n\n\t\treturn this.data.array;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tthis.data.needsUpdate = value;\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tfor ( let i = 0, l = this.data.count; i < l; i ++ ) {\n\n\t\t\t_vector$7.fromBufferAttribute( this, i );\n\n\t\t\t_vector$7.applyMatrix4( m );\n\n\t\t\tthis.setXYZ( i, _vector$7.x, _vector$7.y, _vector$7.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyNormalMatrix( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$7.fromBufferAttribute( this, i );\n\n\t\t\t_vector$7.applyNormalMatrix( m );\n\n\t\t\tthis.setXYZ( i, _vector$7.x, _vector$7.y, _vector$7.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttransformDirection( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$7.fromBufferAttribute( this, i );\n\n\t\t\t_vector$7.transformDirection( m );\n\n\t\t\tthis.setXYZ( i, _vector$7.x, _vector$7.y, _vector$7.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index, component ) {\n\n\t\tlet value = this.array[ index * this.data.stride + this.offset + component ];\n\n\t\tif ( this.normalized ) value = denormalize( value, this.array );\n\n\t\treturn value;\n\n\t}\n\n\tsetComponent( index, component, value ) {\n\n\t\tif ( this.normalized ) value = normalize( value, this.array );\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + component ] = value;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( index, x ) {\n\n\t\tif ( this.normalized ) x = normalize( x, this.array );\n\n\t\tthis.data.array[ index * this.data.stride + this.offset ] = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( index, y ) {\n\n\t\tif ( this.normalized ) y = normalize( y, this.array );\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetZ( index, z ) {\n\n\t\tif ( this.normalized ) z = normalize( z, this.array );\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetW( index, w ) {\n\n\t\tif ( this.normalized ) w = normalize( w, this.array );\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tgetX( index ) {\n\n\t\tlet x = this.data.array[ index * this.data.stride + this.offset ];\n\n\t\tif ( this.normalized ) x = denormalize( x, this.array );\n\n\t\treturn x;\n\n\t}\n\n\tgetY( index ) {\n\n\t\tlet y = this.data.array[ index * this.data.stride + this.offset + 1 ];\n\n\t\tif ( this.normalized ) y = denormalize( y, this.array );\n\n\t\treturn y;\n\n\t}\n\n\tgetZ( index ) {\n\n\t\tlet z = this.data.array[ index * this.data.stride + this.offset + 2 ];\n\n\t\tif ( this.normalized ) z = denormalize( z, this.array );\n\n\t\treturn z;\n\n\t}\n\n\tgetW( index ) {\n\n\t\tlet w = this.data.array[ index * this.data.stride + this.offset + 3 ];\n\n\t\tif ( this.normalized ) w = denormalize( w, this.array );\n\n\t\treturn w;\n\n\t}\n\n\tsetXY( index, x, y ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\n\t\t}\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZ( index, x, y, z ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\t\t\tz = normalize( z, this.array );\n\n\t\t}\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\t\tthis.data.array[ index + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZW( index, x, y, z, w ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\t\t\tz = normalize( z, this.array );\n\t\t\tw = normalize( w, this.array );\n\n\t\t}\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\t\tthis.data.array[ index + 2 ] = z;\n\t\tthis.data.array[ index + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tif ( data === undefined ) {\n\n\t\t\tconsole.log( 'THREE.InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will de-interleave buffer data.' );\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0; i < this.count; i ++ ) {\n\n\t\t\t\tconst index = i * this.data.stride + this.offset;\n\n\t\t\t\tfor ( let j = 0; j < this.itemSize; j ++ ) {\n\n\t\t\t\t\tarray.push( this.data.array[ index + j ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn new BufferAttribute( new this.array.constructor( array ), this.itemSize, this.normalized );\n\n\t\t} else {\n\n\t\t\tif ( data.interleavedBuffers === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers = {};\n\n\t\t\t}\n\n\t\t\tif ( data.interleavedBuffers[ this.data.uuid ] === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers[ this.data.uuid ] = this.data.clone( data );\n\n\t\t\t}\n\n\t\t\treturn new InterleavedBufferAttribute( data.interleavedBuffers[ this.data.uuid ], this.itemSize, this.offset, this.normalized );\n\n\t\t}\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tif ( data === undefined ) {\n\n\t\t\tconsole.log( 'THREE.InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will de-interleave buffer data.' );\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0; i < this.count; i ++ ) {\n\n\t\t\t\tconst index = i * this.data.stride + this.offset;\n\n\t\t\t\tfor ( let j = 0; j < this.itemSize; j ++ ) {\n\n\t\t\t\t\tarray.push( this.data.array[ index + j ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// de-interleave data and save it as an ordinary buffer attribute for now\n\n\t\t\treturn {\n\t\t\t\titemSize: this.itemSize,\n\t\t\t\ttype: this.array.constructor.name,\n\t\t\t\tarray: array,\n\t\t\t\tnormalized: this.normalized\n\t\t\t};\n\n\t\t} else {\n\n\t\t\t// save as true interleaved attribute\n\n\t\t\tif ( data.interleavedBuffers === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers = {};\n\n\t\t\t}\n\n\t\t\tif ( data.interleavedBuffers[ this.data.uuid ] === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers[ this.data.uuid ] = this.data.toJSON( data );\n\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\tisInterleavedBufferAttribute: true,\n\t\t\t\titemSize: this.itemSize,\n\t\t\t\tdata: this.data.uuid,\n\t\t\t\toffset: this.offset,\n\t\t\t\tnormalized: this.normalized\n\t\t\t};\n\n\t\t}\n\n\t}\n\n}\n\nclass SpriteMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isSpriteMaterial = true;\n\n\t\tthis.type = 'SpriteMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.rotation = 0;\n\n\t\tthis.sizeAttenuation = true;\n\n\t\tthis.transparent = true;\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.rotation = source.rotation;\n\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nlet _geometry;\n\nconst _intersectPoint = /*@__PURE__*/ new Vector3();\nconst _worldScale = /*@__PURE__*/ new Vector3();\nconst _mvPosition = /*@__PURE__*/ new Vector3();\n\nconst _alignedPosition = /*@__PURE__*/ new Vector2();\nconst _rotatedPosition = /*@__PURE__*/ new Vector2();\nconst _viewWorldMatrix = /*@__PURE__*/ new Matrix4();\n\nconst _vA = /*@__PURE__*/ new Vector3();\nconst _vB = /*@__PURE__*/ new Vector3();\nconst _vC = /*@__PURE__*/ new Vector3();\n\nconst _uvA = /*@__PURE__*/ new Vector2();\nconst _uvB = /*@__PURE__*/ new Vector2();\nconst _uvC = /*@__PURE__*/ new Vector2();\n\nclass Sprite extends Object3D {\n\n\tconstructor( material = new SpriteMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.isSprite = true;\n\n\t\tthis.type = 'Sprite';\n\n\t\tif ( _geometry === undefined ) {\n\n\t\t\t_geometry = new BufferGeometry();\n\n\t\t\tconst float32Array = new Float32Array( [\n\t\t\t\t- 0.5, - 0.5, 0, 0, 0,\n\t\t\t\t0.5, - 0.5, 0, 1, 0,\n\t\t\t\t0.5, 0.5, 0, 1, 1,\n\t\t\t\t- 0.5, 0.5, 0, 0, 1\n\t\t\t] );\n\n\t\t\tconst interleavedBuffer = new InterleavedBuffer( float32Array, 5 );\n\n\t\t\t_geometry.setIndex( [ 0, 1, 2,\t0, 2, 3 ] );\n\t\t\t_geometry.setAttribute( 'position', new InterleavedBufferAttribute( interleavedBuffer, 3, 0, false ) );\n\t\t\t_geometry.setAttribute( 'uv', new InterleavedBufferAttribute( interleavedBuffer, 2, 3, false ) );\n\n\t\t}\n\n\t\tthis.geometry = _geometry;\n\t\tthis.material = material;\n\n\t\tthis.center = new Vector2( 0.5, 0.5 );\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tif ( raycaster.camera === null ) {\n\n\t\t\tconsole.error( 'THREE.Sprite: \"Raycaster.camera\" needs to be set in order to raycast against sprites.' );\n\n\t\t}\n\n\t\t_worldScale.setFromMatrixScale( this.matrixWorld );\n\n\t\t_viewWorldMatrix.copy( raycaster.camera.matrixWorld );\n\t\tthis.modelViewMatrix.multiplyMatrices( raycaster.camera.matrixWorldInverse, this.matrixWorld );\n\n\t\t_mvPosition.setFromMatrixPosition( this.modelViewMatrix );\n\n\t\tif ( raycaster.camera.isPerspectiveCamera && this.material.sizeAttenuation === false ) {\n\n\t\t\t_worldScale.multiplyScalar( - _mvPosition.z );\n\n\t\t}\n\n\t\tconst rotation = this.material.rotation;\n\t\tlet sin, cos;\n\n\t\tif ( rotation !== 0 ) {\n\n\t\t\tcos = Math.cos( rotation );\n\t\t\tsin = Math.sin( rotation );\n\n\t\t}\n\n\t\tconst center = this.center;\n\n\t\ttransformVertex( _vA.set( - 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\ttransformVertex( _vB.set( 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\ttransformVertex( _vC.set( 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\n\t\t_uvA.set( 0, 0 );\n\t\t_uvB.set( 1, 0 );\n\t\t_uvC.set( 1, 1 );\n\n\t\t// check first triangle\n\t\tlet intersect = raycaster.ray.intersectTriangle( _vA, _vB, _vC, false, _intersectPoint );\n\n\t\tif ( intersect === null ) {\n\n\t\t\t// check second triangle\n\t\t\ttransformVertex( _vB.set( - 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\t\t_uvB.set( 0, 1 );\n\n\t\t\tintersect = raycaster.ray.intersectTriangle( _vA, _vC, _vB, false, _intersectPoint );\n\t\t\tif ( intersect === null ) {\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst distance = raycaster.ray.origin.distanceTo( _intersectPoint );\n\n\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\tintersects.push( {\n\n\t\t\tdistance: distance,\n\t\t\tpoint: _intersectPoint.clone(),\n\t\t\tuv: Triangle.getInterpolation( _intersectPoint, _vA, _vB, _vC, _uvA, _uvB, _uvC, new Vector2() ),\n\t\t\tface: null,\n\t\t\tobject: this\n\n\t\t} );\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tif ( source.center !== undefined ) this.center.copy( source.center );\n\n\t\tthis.material = source.material;\n\n\t\treturn this;\n\n\t}\n\n}\n\nfunction transformVertex( vertexPosition, mvPosition, center, scale, sin, cos ) {\n\n\t// compute position in camera space\n\t_alignedPosition.subVectors( vertexPosition, center ).addScalar( 0.5 ).multiply( scale );\n\n\t// to check if rotation is not zero\n\tif ( sin !== undefined ) {\n\n\t\t_rotatedPosition.x = ( cos * _alignedPosition.x ) - ( sin * _alignedPosition.y );\n\t\t_rotatedPosition.y = ( sin * _alignedPosition.x ) + ( cos * _alignedPosition.y );\n\n\t} else {\n\n\t\t_rotatedPosition.copy( _alignedPosition );\n\n\t}\n\n\n\tvertexPosition.copy( mvPosition );\n\tvertexPosition.x += _rotatedPosition.x;\n\tvertexPosition.y += _rotatedPosition.y;\n\n\t// transform to world space\n\tvertexPosition.applyMatrix4( _viewWorldMatrix );\n\n}\n\nconst _v1$2 = /*@__PURE__*/ new Vector3();\nconst _v2$1 = /*@__PURE__*/ new Vector3();\n\nclass LOD extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis._currentLevel = 0;\n\n\t\tthis.type = 'LOD';\n\n\t\tObject.defineProperties( this, {\n\t\t\tlevels: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: []\n\t\t\t},\n\t\t\tisLOD: {\n\t\t\t\tvalue: true,\n\t\t\t}\n\t\t} );\n\n\t\tthis.autoUpdate = true;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source, false );\n\n\t\tconst levels = source.levels;\n\n\t\tfor ( let i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\tconst level = levels[ i ];\n\n\t\t\tthis.addLevel( level.object.clone(), level.distance, level.hysteresis );\n\n\t\t}\n\n\t\tthis.autoUpdate = source.autoUpdate;\n\n\t\treturn this;\n\n\t}\n\n\taddLevel( object, distance = 0, hysteresis = 0 ) {\n\n\t\tdistance = Math.abs( distance );\n\n\t\tconst levels = this.levels;\n\n\t\tlet l;\n\n\t\tfor ( l = 0; l < levels.length; l ++ ) {\n\n\t\t\tif ( distance < levels[ l ].distance ) {\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tlevels.splice( l, 0, { distance: distance, hysteresis: hysteresis, object: object } );\n\n\t\tthis.add( object );\n\n\t\treturn this;\n\n\t}\n\n\tremoveLevel( distance ) {\n\n\t\tconst levels = this.levels;\n\n\t\tfor ( let i = 0; i < levels.length; i ++ ) {\n\n\t\t\tif ( levels[ i ].distance === distance ) {\n\n\t\t\t\tconst removedElements = levels.splice( i, 1 );\n\t\t\t\tthis.remove( removedElements[ 0 ].object );\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tgetCurrentLevel() {\n\n\t\treturn this._currentLevel;\n\n\t}\n\n\n\n\tgetObjectForDistance( distance ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 0 ) {\n\n\t\t\tlet i, l;\n\n\t\t\tfor ( i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tlet levelDistance = levels[ i ].distance;\n\n\t\t\t\tif ( levels[ i ].object.visible ) {\n\n\t\t\t\t\tlevelDistance -= levelDistance * levels[ i ].hysteresis;\n\n\t\t\t\t}\n\n\t\t\t\tif ( distance < levelDistance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn levels[ i - 1 ].object;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 0 ) {\n\n\t\t\t_v1$2.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\tconst distance = raycaster.ray.origin.distanceTo( _v1$2 );\n\n\t\t\tthis.getObjectForDistance( distance ).raycast( raycaster, intersects );\n\n\t\t}\n\n\t}\n\n\tupdate( camera ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 1 ) {\n\n\t\t\t_v1$2.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t_v2$1.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\tconst distance = _v1$2.distanceTo( _v2$1 ) / camera.zoom;\n\n\t\t\tlevels[ 0 ].object.visible = true;\n\n\t\t\tlet i, l;\n\n\t\t\tfor ( i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tlet levelDistance = levels[ i ].distance;\n\n\t\t\t\tif ( levels[ i ].object.visible ) {\n\n\t\t\t\t\tlevelDistance -= levelDistance * levels[ i ].hysteresis;\n\n\t\t\t\t}\n\n\t\t\t\tif ( distance >= levelDistance ) {\n\n\t\t\t\t\tlevels[ i - 1 ].object.visible = false;\n\t\t\t\t\tlevels[ i ].object.visible = true;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._currentLevel = i - 1;\n\n\t\t\tfor ( ; i < l; i ++ ) {\n\n\t\t\t\tlevels[ i ].object.visible = false;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tif ( this.autoUpdate === false ) data.object.autoUpdate = false;\n\n\t\tdata.object.levels = [];\n\n\t\tconst levels = this.levels;\n\n\t\tfor ( let i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\tconst level = levels[ i ];\n\n\t\t\tdata.object.levels.push( {\n\t\t\t\tobject: level.object.uuid,\n\t\t\t\tdistance: level.distance,\n\t\t\t\thysteresis: level.hysteresis\n\t\t\t} );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n}\n\nconst _basePosition = /*@__PURE__*/ new Vector3();\n\nconst _skinIndex = /*@__PURE__*/ new Vector4();\nconst _skinWeight = /*@__PURE__*/ new Vector4();\n\nconst _vector3 = /*@__PURE__*/ new Vector3();\nconst _matrix4 = /*@__PURE__*/ new Matrix4();\nconst _vertex = /*@__PURE__*/ new Vector3();\n\nconst _sphere$5 = /*@__PURE__*/ new Sphere();\nconst _inverseMatrix$2 = /*@__PURE__*/ new Matrix4();\nconst _ray$2 = /*@__PURE__*/ new Ray();\n\nclass SkinnedMesh extends Mesh {\n\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.isSkinnedMesh = true;\n\n\t\tthis.type = 'SkinnedMesh';\n\n\t\tthis.bindMode = AttachedBindMode;\n\t\tthis.bindMatrix = new Matrix4();\n\t\tthis.bindMatrixInverse = new Matrix4();\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t}\n\n\tcomputeBoundingBox() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( this.boundingBox === null ) {\n\n\t\t\tthis.boundingBox = new Box3();\n\n\t\t}\n\n\t\tthis.boundingBox.makeEmpty();\n\n\t\tconst positionAttribute = geometry.getAttribute( 'position' );\n\n\t\tfor ( let i = 0; i < positionAttribute.count; i ++ ) {\n\n\t\t\tthis.getVertexPosition( i, _vertex );\n\t\t\tthis.boundingBox.expandByPoint( _vertex );\n\n\t\t}\n\n\t}\n\n\tcomputeBoundingSphere() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( this.boundingSphere === null ) {\n\n\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t}\n\n\t\tthis.boundingSphere.makeEmpty();\n\n\t\tconst positionAttribute = geometry.getAttribute( 'position' );\n\n\t\tfor ( let i = 0; i < positionAttribute.count; i ++ ) {\n\n\t\t\tthis.getVertexPosition( i, _vertex );\n\t\t\tthis.boundingSphere.expandByPoint( _vertex );\n\n\t\t}\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.bindMode = source.bindMode;\n\t\tthis.bindMatrix.copy( source.bindMatrix );\n\t\tthis.bindMatrixInverse.copy( source.bindMatrixInverse );\n\n\t\tthis.skeleton = source.skeleton;\n\n\t\tif ( source.boundingBox !== null ) this.boundingBox = source.boundingBox.clone();\n\t\tif ( source.boundingSphere !== null ) this.boundingSphere = source.boundingSphere.clone();\n\n\t\treturn this;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst material = this.material;\n\t\tconst matrixWorld = this.matrixWorld;\n\n\t\tif ( material === undefined ) return;\n\n\t\t// test with bounding sphere in world space\n\n\t\tif ( this.boundingSphere === null ) this.computeBoundingSphere();\n\n\t\t_sphere$5.copy( this.boundingSphere );\n\t\t_sphere$5.applyMatrix4( matrixWorld );\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere$5 ) === false ) return;\n\n\t\t// convert ray to local space of skinned mesh\n\n\t\t_inverseMatrix$2.copy( matrixWorld ).invert();\n\t\t_ray$2.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$2 );\n\n\t\t// test with bounding box in local space\n\n\t\tif ( this.boundingBox !== null ) {\n\n\t\t\tif ( _ray$2.intersectsBox( this.boundingBox ) === false ) return;\n\n\t\t}\n\n\t\t// test for intersections with geometry\n\n\t\tthis._computeIntersections( raycaster, intersects, _ray$2 );\n\n\t}\n\n\tgetVertexPosition( index, target ) {\n\n\t\tsuper.getVertexPosition( index, target );\n\n\t\tthis.applyBoneTransform( index, target );\n\n\t\treturn target;\n\n\t}\n\n\tbind( skeleton, bindMatrix ) {\n\n\t\tthis.skeleton = skeleton;\n\n\t\tif ( bindMatrix === undefined ) {\n\n\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\tthis.skeleton.calculateInverses();\n\n\t\t\tbindMatrix = this.matrixWorld;\n\n\t\t}\n\n\t\tthis.bindMatrix.copy( bindMatrix );\n\t\tthis.bindMatrixInverse.copy( bindMatrix ).invert();\n\n\t}\n\n\tpose() {\n\n\t\tthis.skeleton.pose();\n\n\t}\n\n\tnormalizeSkinWeights() {\n\n\t\tconst vector = new Vector4();\n\n\t\tconst skinWeight = this.geometry.attributes.skinWeight;\n\n\t\tfor ( let i = 0, l = skinWeight.count; i < l; i ++ ) {\n\n\t\t\tvector.fromBufferAttribute( skinWeight, i );\n\n\t\t\tconst scale = 1.0 / vector.manhattanLength();\n\n\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\tvector.multiplyScalar( scale );\n\n\t\t\t} else {\n\n\t\t\t\tvector.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t}\n\n\t\t\tskinWeight.setXYZW( i, vector.x, vector.y, vector.z, vector.w );\n\n\t\t}\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tif ( this.bindMode === AttachedBindMode ) {\n\n\t\t\tthis.bindMatrixInverse.copy( this.matrixWorld ).invert();\n\n\t\t} else if ( this.bindMode === DetachedBindMode ) {\n\n\t\t\tthis.bindMatrixInverse.copy( this.bindMatrix ).invert();\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.SkinnedMesh: Unrecognized bindMode: ' + this.bindMode );\n\n\t\t}\n\n\t}\n\n\tapplyBoneTransform( index, vector ) {\n\n\t\tconst skeleton = this.skeleton;\n\t\tconst geometry = this.geometry;\n\n\t\t_skinIndex.fromBufferAttribute( geometry.attributes.skinIndex, index );\n\t\t_skinWeight.fromBufferAttribute( geometry.attributes.skinWeight, index );\n\n\t\t_basePosition.copy( vector ).applyMatrix4( this.bindMatrix );\n\n\t\tvector.set( 0, 0, 0 );\n\n\t\tfor ( let i = 0; i < 4; i ++ ) {\n\n\t\t\tconst weight = _skinWeight.getComponent( i );\n\n\t\t\tif ( weight !== 0 ) {\n\n\t\t\t\tconst boneIndex = _skinIndex.getComponent( i );\n\n\t\t\t\t_matrix4.multiplyMatrices( skeleton.bones[ boneIndex ].matrixWorld, skeleton.boneInverses[ boneIndex ] );\n\n\t\t\t\tvector.addScaledVector( _vector3.copy( _basePosition ).applyMatrix4( _matrix4 ), weight );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn vector.applyMatrix4( this.bindMatrixInverse );\n\n\t}\n\n}\n\nclass Bone extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isBone = true;\n\n\t\tthis.type = 'Bone';\n\n\t}\n\n}\n\nclass DataTexture extends Texture {\n\n\tconstructor( data = null, width = 1, height = 1, format, type, mapping, wrapS, wrapT, magFilter = NearestFilter, minFilter = NearestFilter, anisotropy, colorSpace ) {\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace );\n\n\t\tthis.isDataTexture = true;\n\n\t\tthis.image = { data: data, width: width, height: height };\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t}\n\n}\n\nconst _offsetMatrix = /*@__PURE__*/ new Matrix4();\nconst _identityMatrix = /*@__PURE__*/ new Matrix4();\n\nclass Skeleton {\n\n\tconstructor( bones = [], boneInverses = [] ) {\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.bones = bones.slice( 0 );\n\t\tthis.boneInverses = boneInverses;\n\t\tthis.boneMatrices = null;\n\n\t\tthis.boneTexture = null;\n\n\t\tthis.init();\n\n\t}\n\n\tinit() {\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\n\t\tthis.boneMatrices = new Float32Array( bones.length * 16 );\n\n\t\t// calculate inverse bone matrices if necessary\n\n\t\tif ( boneInverses.length === 0 ) {\n\n\t\t\tthis.calculateInverses();\n\n\t\t} else {\n\n\t\t\t// handle special case\n\n\t\t\tif ( bones.length !== boneInverses.length ) {\n\n\t\t\t\tconsole.warn( 'THREE.Skeleton: Number of inverse bone matrices does not match amount of bones.' );\n\n\t\t\t\tthis.boneInverses = [];\n\n\t\t\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\t\t\tthis.boneInverses.push( new Matrix4() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcalculateInverses() {\n\n\t\tthis.boneInverses.length = 0;\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst inverse = new Matrix4();\n\n\t\t\tif ( this.bones[ i ] ) {\n\n\t\t\t\tinverse.copy( this.bones[ i ].matrixWorld ).invert();\n\n\t\t\t}\n\n\t\t\tthis.boneInverses.push( inverse );\n\n\t\t}\n\n\t}\n\n\tpose() {\n\n\t\t// recover the bind-time world matrices\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone ) {\n\n\t\t\t\tbone.matrixWorld.copy( this.boneInverses[ i ] ).invert();\n\n\t\t\t}\n\n\t\t}\n\n\t\t// compute the local matrices, positions, rotations and scales\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone ) {\n\n\t\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\t\tbone.matrix.copy( bone.parent.matrixWorld ).invert();\n\t\t\t\t\tbone.matrix.multiply( bone.matrixWorld );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbone.matrix.copy( bone.matrixWorld );\n\n\t\t\t\t}\n\n\t\t\t\tbone.matrix.decompose( bone.position, bone.quaternion, bone.scale );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tupdate() {\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\t\tconst boneMatrices = this.boneMatrices;\n\t\tconst boneTexture = this.boneTexture;\n\n\t\t// flatten bone matrices to array\n\n\t\tfor ( let i = 0, il = bones.length; i < il; i ++ ) {\n\n\t\t\t// compute the offset between the current and the original transform\n\n\t\t\tconst matrix = bones[ i ] ? bones[ i ].matrixWorld : _identityMatrix;\n\n\t\t\t_offsetMatrix.multiplyMatrices( matrix, boneInverses[ i ] );\n\t\t\t_offsetMatrix.toArray( boneMatrices, i * 16 );\n\n\t\t}\n\n\t\tif ( boneTexture !== null ) {\n\n\t\t\tboneTexture.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new Skeleton( this.bones, this.boneInverses );\n\n\t}\n\n\tcomputeBoneTexture() {\n\n\t\t// layout (1 matrix = 4 pixels)\n\t\t// RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4)\n\t\t// with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8)\n\t\t// 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16)\n\t\t// 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32)\n\t\t// 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64)\n\n\t\tlet size = Math.sqrt( this.bones.length * 4 ); // 4 pixels needed for 1 matrix\n\t\tsize = Math.ceil( size / 4 ) * 4;\n\t\tsize = Math.max( size, 4 );\n\n\t\tconst boneMatrices = new Float32Array( size * size * 4 ); // 4 floats per RGBA pixel\n\t\tboneMatrices.set( this.boneMatrices ); // copy current values\n\n\t\tconst boneTexture = new DataTexture( boneMatrices, size, size, RGBAFormat, FloatType );\n\t\tboneTexture.needsUpdate = true;\n\n\t\tthis.boneMatrices = boneMatrices;\n\t\tthis.boneTexture = boneTexture;\n\n\t\treturn this;\n\n\t}\n\n\tgetBoneByName( name ) {\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone.name === name ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn undefined;\n\n\t}\n\n\tdispose( ) {\n\n\t\tif ( this.boneTexture !== null ) {\n\n\t\t\tthis.boneTexture.dispose();\n\n\t\t\tthis.boneTexture = null;\n\n\t\t}\n\n\t}\n\n\tfromJSON( json, bones ) {\n\n\t\tthis.uuid = json.uuid;\n\n\t\tfor ( let i = 0, l = json.bones.length; i < l; i ++ ) {\n\n\t\t\tconst uuid = json.bones[ i ];\n\t\t\tlet bone = bones[ uuid ];\n\n\t\t\tif ( bone === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Skeleton: No bone found with UUID:', uuid );\n\t\t\t\tbone = new Bone();\n\n\t\t\t}\n\n\t\t\tthis.bones.push( bone );\n\t\t\tthis.boneInverses.push( new Matrix4().fromArray( json.boneInverses[ i ] ) );\n\n\t\t}\n\n\t\tthis.init();\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.6,\n\t\t\t\ttype: 'Skeleton',\n\t\t\t\tgenerator: 'Skeleton.toJSON'\n\t\t\t},\n\t\t\tbones: [],\n\t\t\tboneInverses: []\n\t\t};\n\n\t\tdata.uuid = this.uuid;\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\n\t\tfor ( let i = 0, l = bones.length; i < l; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\t\t\tdata.bones.push( bone.uuid );\n\n\t\t\tconst boneInverse = boneInverses[ i ];\n\t\t\tdata.boneInverses.push( boneInverse.toArray() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass InstancedBufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized, meshPerAttribute = 1 ) {\n\n\t\tsuper( array, itemSize, normalized );\n\n\t\tthis.isInstancedBufferAttribute = true;\n\n\t\tthis.meshPerAttribute = meshPerAttribute;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.meshPerAttribute = this.meshPerAttribute;\n\n\t\tdata.isInstancedBufferAttribute = true;\n\n\t\treturn data;\n\n\t}\n\n}\n\nconst _instanceLocalMatrix = /*@__PURE__*/ new Matrix4();\nconst _instanceWorldMatrix = /*@__PURE__*/ new Matrix4();\n\nconst _instanceIntersects = [];\n\nconst _box3 = /*@__PURE__*/ new Box3();\nconst _identity = /*@__PURE__*/ new Matrix4();\nconst _mesh$1 = /*@__PURE__*/ new Mesh();\nconst _sphere$4 = /*@__PURE__*/ new Sphere();\n\nclass InstancedMesh extends Mesh {\n\n\tconstructor( geometry, material, count ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.isInstancedMesh = true;\n\n\t\tthis.instanceMatrix = new InstancedBufferAttribute( new Float32Array( count * 16 ), 16 );\n\t\tthis.instanceColor = null;\n\t\tthis.morphTexture = null;\n\n\t\tthis.count = count;\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tthis.setMatrixAt( i, _identity );\n\n\t\t}\n\n\t}\n\n\tcomputeBoundingBox() {\n\n\t\tconst geometry = this.geometry;\n\t\tconst count = this.count;\n\n\t\tif ( this.boundingBox === null ) {\n\n\t\t\tthis.boundingBox = new Box3();\n\n\t\t}\n\n\t\tif ( geometry.boundingBox === null ) {\n\n\t\t\tgeometry.computeBoundingBox();\n\n\t\t}\n\n\t\tthis.boundingBox.makeEmpty();\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tthis.getMatrixAt( i, _instanceLocalMatrix );\n\n\t\t\t_box3.copy( geometry.boundingBox ).applyMatrix4( _instanceLocalMatrix );\n\n\t\t\tthis.boundingBox.union( _box3 );\n\n\t\t}\n\n\t}\n\n\tcomputeBoundingSphere() {\n\n\t\tconst geometry = this.geometry;\n\t\tconst count = this.count;\n\n\t\tif ( this.boundingSphere === null ) {\n\n\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t}\n\n\t\tif ( geometry.boundingSphere === null ) {\n\n\t\t\tgeometry.computeBoundingSphere();\n\n\t\t}\n\n\t\tthis.boundingSphere.makeEmpty();\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tthis.getMatrixAt( i, _instanceLocalMatrix );\n\n\t\t\t_sphere$4.copy( geometry.boundingSphere ).applyMatrix4( _instanceLocalMatrix );\n\n\t\t\tthis.boundingSphere.union( _sphere$4 );\n\n\t\t}\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.instanceMatrix.copy( source.instanceMatrix );\n\n\t\tif ( source.morphTexture !== null ) this.morphTexture = source.morphTexture.clone();\n\t\tif ( source.instanceColor !== null ) this.instanceColor = source.instanceColor.clone();\n\n\t\tthis.count = source.count;\n\n\t\tif ( source.boundingBox !== null ) this.boundingBox = source.boundingBox.clone();\n\t\tif ( source.boundingSphere !== null ) this.boundingSphere = source.boundingSphere.clone();\n\n\t\treturn this;\n\n\t}\n\n\tgetColorAt( index, color ) {\n\n\t\tcolor.fromArray( this.instanceColor.array, index * 3 );\n\n\t}\n\n\tgetMatrixAt( index, matrix ) {\n\n\t\tmatrix.fromArray( this.instanceMatrix.array, index * 16 );\n\n\t}\n\n\tgetMorphAt( index, object ) {\n\n\t\tconst objectInfluences = object.morphTargetInfluences;\n\n\t\tconst array = this.morphTexture.source.data.data;\n\n\t\tconst len = objectInfluences.length + 1; // All influences + the baseInfluenceSum\n\n\t\tconst dataIndex = index * len + 1; // Skip the baseInfluenceSum at the beginning\n\n\t\tfor ( let i = 0; i < objectInfluences.length; i ++ ) {\n\n\t\t\tobjectInfluences[ i ] = array[ dataIndex + i ];\n\n\t\t}\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst raycastTimes = this.count;\n\n\t\t_mesh$1.geometry = this.geometry;\n\t\t_mesh$1.material = this.material;\n\n\t\tif ( _mesh$1.material === undefined ) return;\n\n\t\t// test with bounding sphere first\n\n\t\tif ( this.boundingSphere === null ) this.computeBoundingSphere();\n\n\t\t_sphere$4.copy( this.boundingSphere );\n\t\t_sphere$4.applyMatrix4( matrixWorld );\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere$4 ) === false ) return;\n\n\t\t// now test each instance\n\n\t\tfor ( let instanceId = 0; instanceId < raycastTimes; instanceId ++ ) {\n\n\t\t\t// calculate the world matrix for each instance\n\n\t\t\tthis.getMatrixAt( instanceId, _instanceLocalMatrix );\n\n\t\t\t_instanceWorldMatrix.multiplyMatrices( matrixWorld, _instanceLocalMatrix );\n\n\t\t\t// the mesh represents this single instance\n\n\t\t\t_mesh$1.matrixWorld = _instanceWorldMatrix;\n\n\t\t\t_mesh$1.raycast( raycaster, _instanceIntersects );\n\n\t\t\t// process the result of raycast\n\n\t\t\tfor ( let i = 0, l = _instanceIntersects.length; i < l; i ++ ) {\n\n\t\t\t\tconst intersect = _instanceIntersects[ i ];\n\t\t\t\tintersect.instanceId = instanceId;\n\t\t\t\tintersect.object = this;\n\t\t\t\tintersects.push( intersect );\n\n\t\t\t}\n\n\t\t\t_instanceIntersects.length = 0;\n\n\t\t}\n\n\t}\n\n\tsetColorAt( index, color ) {\n\n\t\tif ( this.instanceColor === null ) {\n\n\t\t\tthis.instanceColor = new InstancedBufferAttribute( new Float32Array( this.instanceMatrix.count * 3 ).fill( 1 ), 3 );\n\n\t\t}\n\n\t\tcolor.toArray( this.instanceColor.array, index * 3 );\n\n\t}\n\n\tsetMatrixAt( index, matrix ) {\n\n\t\tmatrix.toArray( this.instanceMatrix.array, index * 16 );\n\n\t}\n\n\tsetMorphAt( index, object ) {\n\n\t\tconst objectInfluences = object.morphTargetInfluences;\n\n\t\tconst len = objectInfluences.length + 1; // morphBaseInfluence + all influences\n\n\t\tif ( this.morphTexture === null ) {\n\n\t\t\tthis.morphTexture = new DataTexture( new Float32Array( len * this.count ), len, this.count, RedFormat, FloatType );\n\n\t\t}\n\n\t\tconst array = this.morphTexture.source.data.data;\n\n\t\tlet morphInfluencesSum = 0;\n\n\t\tfor ( let i = 0; i < objectInfluences.length; i ++ ) {\n\n\t\t\tmorphInfluencesSum += objectInfluences[ i ];\n\n\t\t}\n\n\t\tconst morphBaseInfluence = this.geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum;\n\n\t\tconst dataIndex = len * index;\n\n\t\tarray[ dataIndex ] = morphBaseInfluence;\n\n\t\tarray.set( objectInfluences, dataIndex + 1 );\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\tif ( this.morphTexture !== null ) {\n\n\t\t\tthis.morphTexture.dispose();\n\t\t\tthis.morphTexture = null;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _vector1 = /*@__PURE__*/ new Vector3();\nconst _vector2 = /*@__PURE__*/ new Vector3();\nconst _normalMatrix = /*@__PURE__*/ new Matrix3();\n\nclass Plane {\n\n\tconstructor( normal = new Vector3( 1, 0, 0 ), constant = 0 ) {\n\n\t\tthis.isPlane = true;\n\n\t\t// normal is assumed to be normalized\n\n\t\tthis.normal = normal;\n\t\tthis.constant = constant;\n\n\t}\n\n\tset( normal, constant ) {\n\n\t\tthis.normal.copy( normal );\n\t\tthis.constant = constant;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponents( x, y, z, w ) {\n\n\t\tthis.normal.set( x, y, z );\n\t\tthis.constant = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromNormalAndCoplanarPoint( normal, point ) {\n\n\t\tthis.normal.copy( normal );\n\t\tthis.constant = - point.dot( this.normal );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCoplanarPoints( a, b, c ) {\n\n\t\tconst normal = _vector1.subVectors( c, b ).cross( _vector2.subVectors( a, b ) ).normalize();\n\n\t\t// Q: should an error be thrown if normal is zero (e.g. degenerate plane)?\n\n\t\tthis.setFromNormalAndCoplanarPoint( normal, a );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( plane ) {\n\n\t\tthis.normal.copy( plane.normal );\n\t\tthis.constant = plane.constant;\n\n\t\treturn this;\n\n\t}\n\n\tnormalize() {\n\n\t\t// Note: will lead to a divide by zero if the plane is invalid.\n\n\t\tconst inverseNormalLength = 1.0 / this.normal.length();\n\t\tthis.normal.multiplyScalar( inverseNormalLength );\n\t\tthis.constant *= inverseNormalLength;\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.constant *= - 1;\n\t\tthis.normal.negate();\n\n\t\treturn this;\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn this.normal.dot( point ) + this.constant;\n\n\t}\n\n\tdistanceToSphere( sphere ) {\n\n\t\treturn this.distanceToPoint( sphere.center ) - sphere.radius;\n\n\t}\n\n\tprojectPoint( point, target ) {\n\n\t\treturn target.copy( point ).addScaledVector( this.normal, - this.distanceToPoint( point ) );\n\n\t}\n\n\tintersectLine( line, target ) {\n\n\t\tconst direction = line.delta( _vector1 );\n\n\t\tconst denominator = this.normal.dot( direction );\n\n\t\tif ( denominator === 0 ) {\n\n\t\t\t// line is coplanar, return origin\n\t\t\tif ( this.distanceToPoint( line.start ) === 0 ) {\n\n\t\t\t\treturn target.copy( line.start );\n\n\t\t\t}\n\n\t\t\t// Unsure if this is the correct method to handle this case.\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst t = - ( line.start.dot( this.normal ) + this.constant ) / denominator;\n\n\t\tif ( t < 0 || t > 1 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\treturn target.copy( line.start ).addScaledVector( direction, t );\n\n\t}\n\n\tintersectsLine( line ) {\n\n\t\t// Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it.\n\n\t\tconst startSign = this.distanceToPoint( line.start );\n\t\tconst endSign = this.distanceToPoint( line.end );\n\n\t\treturn ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsPlane( this );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\treturn sphere.intersectsPlane( this );\n\n\t}\n\n\tcoplanarPoint( target ) {\n\n\t\treturn target.copy( this.normal ).multiplyScalar( - this.constant );\n\n\t}\n\n\tapplyMatrix4( matrix, optionalNormalMatrix ) {\n\n\t\tconst normalMatrix = optionalNormalMatrix || _normalMatrix.getNormalMatrix( matrix );\n\n\t\tconst referencePoint = this.coplanarPoint( _vector1 ).applyMatrix4( matrix );\n\n\t\tconst normal = this.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\tthis.constant = - referencePoint.dot( normal );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.constant -= offset.dot( this.normal );\n\n\t\treturn this;\n\n\t}\n\n\tequals( plane ) {\n\n\t\treturn plane.normal.equals( this.normal ) && ( plane.constant === this.constant );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _sphere$3 = /*@__PURE__*/ new Sphere();\nconst _vector$6 = /*@__PURE__*/ new Vector3();\n\nclass Frustum {\n\n\tconstructor( p0 = new Plane(), p1 = new Plane(), p2 = new Plane(), p3 = new Plane(), p4 = new Plane(), p5 = new Plane() ) {\n\n\t\tthis.planes = [ p0, p1, p2, p3, p4, p5 ];\n\n\t}\n\n\tset( p0, p1, p2, p3, p4, p5 ) {\n\n\t\tconst planes = this.planes;\n\n\t\tplanes[ 0 ].copy( p0 );\n\t\tplanes[ 1 ].copy( p1 );\n\t\tplanes[ 2 ].copy( p2 );\n\t\tplanes[ 3 ].copy( p3 );\n\t\tplanes[ 4 ].copy( p4 );\n\t\tplanes[ 5 ].copy( p5 );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( frustum ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tplanes[ i ].copy( frustum.planes[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromProjectionMatrix( m, coordinateSystem = WebGLCoordinateSystem ) {\n\n\t\tconst planes = this.planes;\n\t\tconst me = m.elements;\n\t\tconst me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ];\n\t\tconst me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ];\n\t\tconst me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ];\n\t\tconst me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ];\n\n\t\tplanes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize();\n\t\tplanes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize();\n\t\tplanes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize();\n\t\tplanes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize();\n\t\tplanes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize();\n\n\t\tif ( coordinateSystem === WebGLCoordinateSystem ) {\n\n\t\t\tplanes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize();\n\n\t\t} else if ( coordinateSystem === WebGPUCoordinateSystem ) {\n\n\t\t\tplanes[ 5 ].setComponents( me2, me6, me10, me14 ).normalize();\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: ' + coordinateSystem );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tintersectsObject( object ) {\n\n\t\tif ( object.boundingSphere !== undefined ) {\n\n\t\t\tif ( object.boundingSphere === null ) object.computeBoundingSphere();\n\n\t\t\t_sphere$3.copy( object.boundingSphere ).applyMatrix4( object.matrixWorld );\n\n\t\t} else {\n\n\t\t\tconst geometry = object.geometry;\n\n\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t_sphere$3.copy( geometry.boundingSphere ).applyMatrix4( object.matrixWorld );\n\n\t\t}\n\n\t\treturn this.intersectsSphere( _sphere$3 );\n\n\t}\n\n\tintersectsSprite( sprite ) {\n\n\t\t_sphere$3.center.set( 0, 0, 0 );\n\t\t_sphere$3.radius = 0.7071067811865476;\n\t\t_sphere$3.applyMatrix4( sprite.matrixWorld );\n\n\t\treturn this.intersectsSphere( _sphere$3 );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\tconst planes = this.planes;\n\t\tconst center = sphere.center;\n\t\tconst negRadius = - sphere.radius;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst distance = planes[ i ].distanceToPoint( center );\n\n\t\t\tif ( distance < negRadius ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst plane = planes[ i ];\n\n\t\t\t// corner at max distance\n\n\t\t\t_vector$6.x = plane.normal.x > 0 ? box.max.x : box.min.x;\n\t\t\t_vector$6.y = plane.normal.y > 0 ? box.max.y : box.min.y;\n\t\t\t_vector$6.z = plane.normal.z > 0 ? box.max.z : box.min.z;\n\n\t\t\tif ( plane.distanceToPoint( _vector$6 ) < 0 ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tif ( planes[ i ].distanceToPoint( point ) < 0 ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nfunction ascIdSort( a, b ) {\n\n\treturn a - b;\n\n}\n\nfunction sortOpaque( a, b ) {\n\n\treturn a.z - b.z;\n\n}\n\nfunction sortTransparent( a, b ) {\n\n\treturn b.z - a.z;\n\n}\n\nclass MultiDrawRenderList {\n\n\tconstructor() {\n\n\t\tthis.index = 0;\n\t\tthis.pool = [];\n\t\tthis.list = [];\n\n\t}\n\n\tpush( start, count, z, index ) {\n\n\t\tconst pool = this.pool;\n\t\tconst list = this.list;\n\t\tif ( this.index >= pool.length ) {\n\n\t\t\tpool.push( {\n\n\t\t\t\tstart: - 1,\n\t\t\t\tcount: - 1,\n\t\t\t\tz: - 1,\n\t\t\t\tindex: - 1,\n\n\t\t\t} );\n\n\t\t}\n\n\t\tconst item = pool[ this.index ];\n\t\tlist.push( item );\n\t\tthis.index ++;\n\n\t\titem.start = start;\n\t\titem.count = count;\n\t\titem.z = z;\n\t\titem.index = index;\n\n\t}\n\n\treset() {\n\n\t\tthis.list.length = 0;\n\t\tthis.index = 0;\n\n\t}\n\n}\n\nconst _matrix$1 = /*@__PURE__*/ new Matrix4();\nconst _whiteColor = /*@__PURE__*/ new Color( 1, 1, 1 );\nconst _frustum = /*@__PURE__*/ new Frustum();\nconst _box$1 = /*@__PURE__*/ new Box3();\nconst _sphere$2 = /*@__PURE__*/ new Sphere();\nconst _vector$5 = /*@__PURE__*/ new Vector3();\nconst _forward = /*@__PURE__*/ new Vector3();\nconst _temp = /*@__PURE__*/ new Vector3();\nconst _renderList = /*@__PURE__*/ new MultiDrawRenderList();\nconst _mesh = /*@__PURE__*/ new Mesh();\nconst _batchIntersects = [];\n\n// copies data from attribute \"src\" into \"target\" starting at \"targetOffset\"\nfunction copyAttributeData( src, target, targetOffset = 0 ) {\n\n\tconst itemSize = target.itemSize;\n\tif ( src.isInterleavedBufferAttribute || src.array.constructor !== target.array.constructor ) {\n\n\t\t// use the component getters and setters if the array data cannot\n\t\t// be copied directly\n\t\tconst vertexCount = src.count;\n\t\tfor ( let i = 0; i < vertexCount; i ++ ) {\n\n\t\t\tfor ( let c = 0; c < itemSize; c ++ ) {\n\n\t\t\t\ttarget.setComponent( i + targetOffset, c, src.getComponent( i, c ) );\n\n\t\t\t}\n\n\t\t}\n\n\t} else {\n\n\t\t// faster copy approach using typed array set function\n\t\ttarget.array.set( src.array, targetOffset * itemSize );\n\n\t}\n\n\ttarget.needsUpdate = true;\n\n}\n\n// safely copies array contents to a potentially smaller array\nfunction copyArrayContents( src, target ) {\n\n\tif ( src.constructor !== target.constructor ) {\n\n\t\t// if arrays are of a different type (eg due to index size increasing) then data must be per-element copied\n\t\tconst len = Math.min( src.length, target.length );\n\t\tfor ( let i = 0; i < len; i ++ ) {\n\n\t\t\ttarget[ i ] = src[ i ];\n\n\t\t}\n\n\t} else {\n\n\t\t// if the arrays use the same data layout we can use a fast block copy\n\t\tconst len = Math.min( src.length, target.length );\n\t\ttarget.set( new src.constructor( src.buffer, 0, len ) );\n\n\t}\n\n}\n\nclass BatchedMesh extends Mesh {\n\n\tget maxInstanceCount() {\n\n\t\treturn this._maxInstanceCount;\n\n\t}\n\n\tget instanceCount() {\n\n\t\treturn this._instanceInfo.length - this._availableInstanceIds.length;\n\n\t}\n\n\tget unusedVertexCount() {\n\n\t\treturn this._maxVertexCount - this._nextVertexStart;\n\n\t}\n\n\tget unusedIndexCount() {\n\n\t\treturn this._maxIndexCount - this._nextIndexStart;\n\n\t}\n\n\tconstructor( maxInstanceCount, maxVertexCount, maxIndexCount = maxVertexCount * 2, material ) {\n\n\t\tsuper( new BufferGeometry(), material );\n\n\t\tthis.isBatchedMesh = true;\n\t\tthis.perObjectFrustumCulled = true;\n\t\tthis.sortObjects = true;\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\t\tthis.customSort = null;\n\n\t\t// stores visible, active, and geometry id per instance and reserved buffer ranges for geometries\n\t\tthis._instanceInfo = [];\n\t\tthis._geometryInfo = [];\n\n\t\t// instance, geometry ids that have been set as inactive, and are available to be overwritten\n\t\tthis._availableInstanceIds = [];\n\t\tthis._availableGeometryIds = [];\n\n\t\t// used to track where the next point is that geometry should be inserted\n\t\tthis._nextIndexStart = 0;\n\t\tthis._nextVertexStart = 0;\n\t\tthis._geometryCount = 0;\n\n\t\t// flags\n\t\tthis._visibilityChanged = true;\n\t\tthis._geometryInitialized = false;\n\n\t\t// cached user options\n\t\tthis._maxInstanceCount = maxInstanceCount;\n\t\tthis._maxVertexCount = maxVertexCount;\n\t\tthis._maxIndexCount = maxIndexCount;\n\n\t\t// buffers for multi draw\n\t\tthis._multiDrawCounts = new Int32Array( maxInstanceCount );\n\t\tthis._multiDrawStarts = new Int32Array( maxInstanceCount );\n\t\tthis._multiDrawCount = 0;\n\t\tthis._multiDrawInstances = null;\n\n\t\t// Local matrix per geometry by using data texture\n\t\tthis._matricesTexture = null;\n\t\tthis._indirectTexture = null;\n\t\tthis._colorsTexture = null;\n\n\t\tthis._initMatricesTexture();\n\t\tthis._initIndirectTexture();\n\n\t}\n\n\t_initMatricesTexture() {\n\n\t\t// layout (1 matrix = 4 pixels)\n\t\t// RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4)\n\t\t// with 8x8 pixel texture max 16 matrices * 4 pixels = (8 * 8)\n\t\t// 16x16 pixel texture max 64 matrices * 4 pixels = (16 * 16)\n\t\t// 32x32 pixel texture max 256 matrices * 4 pixels = (32 * 32)\n\t\t// 64x64 pixel texture max 1024 matrices * 4 pixels = (64 * 64)\n\n\t\tlet size = Math.sqrt( this._maxInstanceCount * 4 ); // 4 pixels needed for 1 matrix\n\t\tsize = Math.ceil( size / 4 ) * 4;\n\t\tsize = Math.max( size, 4 );\n\n\t\tconst matricesArray = new Float32Array( size * size * 4 ); // 4 floats per RGBA pixel\n\t\tconst matricesTexture = new DataTexture( matricesArray, size, size, RGBAFormat, FloatType );\n\n\t\tthis._matricesTexture = matricesTexture;\n\n\t}\n\n\t_initIndirectTexture() {\n\n\t\tlet size = Math.sqrt( this._maxInstanceCount );\n\t\tsize = Math.ceil( size );\n\n\t\tconst indirectArray = new Uint32Array( size * size );\n\t\tconst indirectTexture = new DataTexture( indirectArray, size, size, RedIntegerFormat, UnsignedIntType );\n\n\t\tthis._indirectTexture = indirectTexture;\n\n\t}\n\n\t_initColorsTexture() {\n\n\t\tlet size = Math.sqrt( this._maxInstanceCount );\n\t\tsize = Math.ceil( size );\n\n\t\t// 4 floats per RGBA pixel initialized to white\n\t\tconst colorsArray = new Float32Array( size * size * 4 ).fill( 1 );\n\t\tconst colorsTexture = new DataTexture( colorsArray, size, size, RGBAFormat, FloatType );\n\t\tcolorsTexture.colorSpace = ColorManagement.workingColorSpace;\n\n\t\tthis._colorsTexture = colorsTexture;\n\n\t}\n\n\t_initializeGeometry( reference ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst maxVertexCount = this._maxVertexCount;\n\t\tconst maxIndexCount = this._maxIndexCount;\n\t\tif ( this._geometryInitialized === false ) {\n\n\t\t\tfor ( const attributeName in reference.attributes ) {\n\n\t\t\t\tconst srcAttribute = reference.getAttribute( attributeName );\n\t\t\t\tconst { array, itemSize, normalized } = srcAttribute;\n\n\t\t\t\tconst dstArray = new array.constructor( maxVertexCount * itemSize );\n\t\t\t\tconst dstAttribute = new BufferAttribute( dstArray, itemSize, normalized );\n\n\t\t\t\tgeometry.setAttribute( attributeName, dstAttribute );\n\n\t\t\t}\n\n\t\t\tif ( reference.getIndex() !== null ) {\n\n\t\t\t\t// Reserve last u16 index for primitive restart.\n\t\t\t\tconst indexArray = maxVertexCount > 65535\n\t\t\t\t\t? new Uint32Array( maxIndexCount )\n\t\t\t\t\t: new Uint16Array( maxIndexCount );\n\n\t\t\t\tgeometry.setIndex( new BufferAttribute( indexArray, 1 ) );\n\n\t\t\t}\n\n\t\t\tthis._geometryInitialized = true;\n\n\t\t}\n\n\t}\n\n\t// Make sure the geometry is compatible with the existing combined geometry attributes\n\t_validateGeometry( geometry ) {\n\n\t\t// check to ensure the geometries are using consistent attributes and indices\n\t\tconst batchGeometry = this.geometry;\n\t\tif ( Boolean( geometry.getIndex() ) !== Boolean( batchGeometry.getIndex() ) ) {\n\n\t\t\tthrow new Error( 'THREE.BatchedMesh: All geometries must consistently have \"index\".' );\n\n\t\t}\n\n\t\tfor ( const attributeName in batchGeometry.attributes ) {\n\n\t\t\tif ( ! geometry.hasAttribute( attributeName ) ) {\n\n\t\t\t\tthrow new Error( `THREE.BatchedMesh: Added geometry missing \"${ attributeName }\". All geometries must have consistent attributes.` );\n\n\t\t\t}\n\n\t\t\tconst srcAttribute = geometry.getAttribute( attributeName );\n\t\t\tconst dstAttribute = batchGeometry.getAttribute( attributeName );\n\t\t\tif ( srcAttribute.itemSize !== dstAttribute.itemSize || srcAttribute.normalized !== dstAttribute.normalized ) {\n\n\t\t\t\tthrow new Error( 'THREE.BatchedMesh: All attributes must have a consistent itemSize and normalized value.' );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tvalidateInstanceId( instanceId ) {\n\n\t\tconst instanceInfo = this._instanceInfo;\n\t\tif ( instanceId < 0 || instanceId >= instanceInfo.length || instanceInfo[ instanceId ].active === false ) {\n\n\t\t\tthrow new Error( `THREE.BatchedMesh: Invalid instanceId ${instanceId}. Instance is either out of range or has been deleted.` );\n\n\t\t}\n\n\t}\n\n\tvalidateGeometryId( geometryId ) {\n\n\t\tconst geometryInfoList = this._geometryInfo;\n\t\tif ( geometryId < 0 || geometryId >= geometryInfoList.length || geometryInfoList[ geometryId ].active === false ) {\n\n\t\t\tthrow new Error( `THREE.BatchedMesh: Invalid geometryId ${geometryId}. Geometry is either out of range or has been deleted.` );\n\n\t\t}\n\n\t}\n\n\n\tsetCustomSort( func ) {\n\n\t\tthis.customSort = func;\n\t\treturn this;\n\n\t}\n\n\tcomputeBoundingBox() {\n\n\t\tif ( this.boundingBox === null ) {\n\n\t\t\tthis.boundingBox = new Box3();\n\n\t\t}\n\n\t\tconst boundingBox = this.boundingBox;\n\t\tconst instanceInfo = this._instanceInfo;\n\n\t\tboundingBox.makeEmpty();\n\t\tfor ( let i = 0, l = instanceInfo.length; i < l; i ++ ) {\n\n\t\t\tif ( instanceInfo[ i ].active === false ) continue;\n\n\t\t\tconst geometryId = instanceInfo[ i ].geometryIndex;\n\t\t\tthis.getMatrixAt( i, _matrix$1 );\n\t\t\tthis.getBoundingBoxAt( geometryId, _box$1 ).applyMatrix4( _matrix$1 );\n\t\t\tboundingBox.union( _box$1 );\n\n\t\t}\n\n\t}\n\n\tcomputeBoundingSphere() {\n\n\t\tif ( this.boundingSphere === null ) {\n\n\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t}\n\n\t\tconst boundingSphere = this.boundingSphere;\n\t\tconst instanceInfo = this._instanceInfo;\n\n\t\tboundingSphere.makeEmpty();\n\t\tfor ( let i = 0, l = instanceInfo.length; i < l; i ++ ) {\n\n\t\t\tif ( instanceInfo[ i ].active === false ) continue;\n\n\t\t\tconst geometryId = instanceInfo[ i ].geometryIndex;\n\t\t\tthis.getMatrixAt( i, _matrix$1 );\n\t\t\tthis.getBoundingSphereAt( geometryId, _sphere$2 ).applyMatrix4( _matrix$1 );\n\t\t\tboundingSphere.union( _sphere$2 );\n\n\t\t}\n\n\t}\n\n\taddInstance( geometryId ) {\n\n\t\tconst atCapacity = this._instanceInfo.length >= this.maxInstanceCount;\n\n\t\t// ensure we're not over geometry\n\t\tif ( atCapacity && this._availableInstanceIds.length === 0 ) {\n\n\t\t\tthrow new Error( 'THREE.BatchedMesh: Maximum item count reached.' );\n\n\t\t}\n\n\t\tconst instanceInfo = {\n\t\t\tvisible: true,\n\t\t\tactive: true,\n\t\t\tgeometryIndex: geometryId,\n\t\t};\n\n\t\tlet drawId = null;\n\n\t\t// Prioritize using previously freed instance ids\n\t\tif ( this._availableInstanceIds.length > 0 ) {\n\n\t\t\tthis._availableInstanceIds.sort( ascIdSort );\n\n\t\t\tdrawId = this._availableInstanceIds.shift();\n\t\t\tthis._instanceInfo[ drawId ] = instanceInfo;\n\n\t\t} else {\n\n\t\t\tdrawId = this._instanceInfo.length;\n\t\t\tthis._instanceInfo.push( instanceInfo );\n\n\t\t}\n\n\t\tconst matricesTexture = this._matricesTexture;\n\t\t_matrix$1.identity().toArray( matricesTexture.image.data, drawId * 16 );\n\t\tmatricesTexture.needsUpdate = true;\n\n\t\tconst colorsTexture = this._colorsTexture;\n\t\tif ( colorsTexture ) {\n\n\t\t\t_whiteColor.toArray( colorsTexture.image.data, drawId * 4 );\n\t\t\tcolorsTexture.needsUpdate = true;\n\n\t\t}\n\n\t\tthis._visibilityChanged = true;\n\t\treturn drawId;\n\n\t}\n\n\taddGeometry( geometry, reservedVertexCount = - 1, reservedIndexCount = - 1 ) {\n\n\t\tthis._initializeGeometry( geometry );\n\n\t\tthis._validateGeometry( geometry );\n\n\t\tconst geometryInfo = {\n\t\t\t// geometry information\n\t\t\tvertexStart: - 1,\n\t\t\tvertexCount: - 1,\n\t\t\treservedVertexCount: - 1,\n\n\t\t\tindexStart: - 1,\n\t\t\tindexCount: - 1,\n\t\t\treservedIndexCount: - 1,\n\n\t\t\t// draw range information\n\t\t\tstart: - 1,\n\t\t\tcount: - 1,\n\n\t\t\t// state\n\t\t\tboundingBox: null,\n\t\t\tboundingSphere: null,\n\t\t\tactive: true,\n\t\t};\n\n\t\tconst geometryInfoList = this._geometryInfo;\n\t\tgeometryInfo.vertexStart = this._nextVertexStart;\n\t\tgeometryInfo.reservedVertexCount = reservedVertexCount === - 1 ? geometry.getAttribute( 'position' ).count : reservedVertexCount;\n\n\t\tconst index = geometry.getIndex();\n\t\tconst hasIndex = index !== null;\n\t\tif ( hasIndex ) {\n\n\t\t\tgeometryInfo.indexStart = this._nextIndexStart;\n\t\t\tgeometryInfo.reservedIndexCount = reservedIndexCount === - 1 ? index.count : reservedIndexCount;\n\n\t\t}\n\n\t\tif (\n\t\t\tgeometryInfo.indexStart !== - 1 &&\n\t\t\tgeometryInfo.indexStart + geometryInfo.reservedIndexCount > this._maxIndexCount ||\n\t\t\tgeometryInfo.vertexStart + geometryInfo.reservedVertexCount > this._maxVertexCount\n\t\t) {\n\n\t\t\tthrow new Error( 'THREE.BatchedMesh: Reserved space request exceeds the maximum buffer size.' );\n\n\t\t}\n\n\t\t// update id\n\t\tlet geometryId;\n\t\tif ( this._availableGeometryIds.length > 0 ) {\n\n\t\t\tthis._availableGeometryIds.sort( ascIdSort );\n\n\t\t\tgeometryId = this._availableGeometryIds.shift();\n\t\t\tgeometryInfoList[ geometryId ] = geometryInfo;\n\n\n\t\t} else {\n\n\t\t\tgeometryId = this._geometryCount;\n\t\t\tthis._geometryCount ++;\n\t\t\tgeometryInfoList.push( geometryInfo );\n\n\t\t}\n\n\t\t// update the geometry\n\t\tthis.setGeometryAt( geometryId, geometry );\n\n\t\t// increment the next geometry position\n\t\tthis._nextIndexStart = geometryInfo.indexStart + geometryInfo.reservedIndexCount;\n\t\tthis._nextVertexStart = geometryInfo.vertexStart + geometryInfo.reservedVertexCount;\n\n\t\treturn geometryId;\n\n\t}\n\n\tsetGeometryAt( geometryId, geometry ) {\n\n\t\tif ( geometryId >= this._geometryCount ) {\n\n\t\t\tthrow new Error( 'THREE.BatchedMesh: Maximum geometry count reached.' );\n\n\t\t}\n\n\t\tthis._validateGeometry( geometry );\n\n\t\tconst batchGeometry = this.geometry;\n\t\tconst hasIndex = batchGeometry.getIndex() !== null;\n\t\tconst dstIndex = batchGeometry.getIndex();\n\t\tconst srcIndex = geometry.getIndex();\n\t\tconst geometryInfo = this._geometryInfo[ geometryId ];\n\t\tif (\n\t\t\thasIndex &&\n\t\t\tsrcIndex.count > geometryInfo.reservedIndexCount ||\n\t\t\tgeometry.attributes.position.count > geometryInfo.reservedVertexCount\n\t\t) {\n\n\t\t\tthrow new Error( 'THREE.BatchedMesh: Reserved space not large enough for provided geometry.' );\n\n\t\t}\n\n\t\t// copy geometry buffer data over\n\t\tconst vertexStart = geometryInfo.vertexStart;\n\t\tconst reservedVertexCount = geometryInfo.reservedVertexCount;\n\t\tgeometryInfo.vertexCount = geometry.getAttribute( 'position' ).count;\n\n\t\tfor ( const attributeName in batchGeometry.attributes ) {\n\n\t\t\t// copy attribute data\n\t\t\tconst srcAttribute = geometry.getAttribute( attributeName );\n\t\t\tconst dstAttribute = batchGeometry.getAttribute( attributeName );\n\t\t\tcopyAttributeData( srcAttribute, dstAttribute, vertexStart );\n\n\t\t\t// fill the rest in with zeroes\n\t\t\tconst itemSize = srcAttribute.itemSize;\n\t\t\tfor ( let i = srcAttribute.count, l = reservedVertexCount; i < l; i ++ ) {\n\n\t\t\t\tconst index = vertexStart + i;\n\t\t\t\tfor ( let c = 0; c < itemSize; c ++ ) {\n\n\t\t\t\t\tdstAttribute.setComponent( index, c, 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tdstAttribute.needsUpdate = true;\n\t\t\tdstAttribute.addUpdateRange( vertexStart * itemSize, reservedVertexCount * itemSize );\n\n\t\t}\n\n\t\t// copy index\n\t\tif ( hasIndex ) {\n\n\t\t\tconst indexStart = geometryInfo.indexStart;\n\t\t\tconst reservedIndexCount = geometryInfo.reservedIndexCount;\n\t\t\tgeometryInfo.indexCount = geometry.getIndex().count;\n\n\t\t\t// copy index data over\n\t\t\tfor ( let i = 0; i < srcIndex.count; i ++ ) {\n\n\t\t\t\tdstIndex.setX( indexStart + i, vertexStart + srcIndex.getX( i ) );\n\n\t\t\t}\n\n\t\t\t// fill the rest in with zeroes\n\t\t\tfor ( let i = srcIndex.count, l = reservedIndexCount; i < l; i ++ ) {\n\n\t\t\t\tdstIndex.setX( indexStart + i, vertexStart );\n\n\t\t\t}\n\n\t\t\tdstIndex.needsUpdate = true;\n\t\t\tdstIndex.addUpdateRange( indexStart, geometryInfo.reservedIndexCount );\n\n\t\t}\n\n\t\t// update the draw range\n\t\tgeometryInfo.start = hasIndex ? geometryInfo.indexStart : geometryInfo.vertexStart;\n\t\tgeometryInfo.count = hasIndex ? geometryInfo.indexCount : geometryInfo.vertexCount;\n\n\t\t// store the bounding boxes\n\t\tgeometryInfo.boundingBox = null;\n\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\tgeometryInfo.boundingBox = geometry.boundingBox.clone();\n\n\t\t}\n\n\t\tgeometryInfo.boundingSphere = null;\n\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\tgeometryInfo.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t}\n\n\t\tthis._visibilityChanged = true;\n\t\treturn geometryId;\n\n\t}\n\n\tdeleteGeometry( geometryId ) {\n\n\t\tconst geometryInfoList = this._geometryInfo;\n\t\tif ( geometryId >= geometryInfoList.length || geometryInfoList[ geometryId ].active === false ) {\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\t// delete any instances associated with this geometry\n\t\tconst instanceInfo = this._instanceInfo;\n\t\tfor ( let i = 0, l = instanceInfo.length; i < l; i ++ ) {\n\n\t\t\tif ( instanceInfo[ i ].active && instanceInfo[ i ].geometryIndex === geometryId ) {\n\n\t\t\t\tthis.deleteInstance( i );\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometryInfoList[ geometryId ].active = false;\n\t\tthis._availableGeometryIds.push( geometryId );\n\t\tthis._visibilityChanged = true;\n\n\t\treturn this;\n\n\t}\n\n\tdeleteInstance( instanceId ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\n\t\tthis._instanceInfo[ instanceId ].active = false;\n\t\tthis._availableInstanceIds.push( instanceId );\n\t\tthis._visibilityChanged = true;\n\n\t\treturn this;\n\n\t}\n\n\toptimize() {\n\n\t\t// track the next indices to copy data to\n\t\tlet nextVertexStart = 0;\n\t\tlet nextIndexStart = 0;\n\n\t\t// Iterate over all geometry ranges in order sorted from earliest in the geometry buffer to latest\n\t\t// in the geometry buffer. Because draw range objects can be reused there is no guarantee of their order.\n\t\tconst geometryInfoList = this._geometryInfo;\n\t\tconst indices = geometryInfoList\n\t\t\t.map( ( e, i ) => i )\n\t\t\t.sort( ( a, b ) => {\n\n\t\t\t\treturn geometryInfoList[ a ].vertexStart - geometryInfoList[ b ].vertexStart;\n\n\t\t\t} );\n\n\t\tconst geometry = this.geometry;\n\t\tfor ( let i = 0, l = geometryInfoList.length; i < l; i ++ ) {\n\n\t\t\t// if a geometry range is inactive then don't copy anything\n\t\t\tconst index = indices[ i ];\n\t\t\tconst geometryInfo = geometryInfoList[ index ];\n\t\t\tif ( geometryInfo.active === false ) {\n\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\t// if a geometry contains an index buffer then shift it, as well\n\t\t\tif ( geometry.index !== null ) {\n\n\t\t\t\tif ( geometryInfo.indexStart !== nextIndexStart ) {\n\n\t\t\t\t\tconst { indexStart, vertexStart, reservedIndexCount } = geometryInfo;\n\t\t\t\t\tconst index = geometry.index;\n\t\t\t\t\tconst array = index.array;\n\n\t\t\t\t\t// shift the index pointers based on how the vertex data will shift\n\t\t\t\t\t// adjusting the index must happen first so the original vertex start value is available\n\t\t\t\t\tconst elementDelta = nextVertexStart - vertexStart;\n\t\t\t\t\tfor ( let j = indexStart; j < indexStart + reservedIndexCount; j ++ ) {\n\n\t\t\t\t\t\tarray[ j ] = array[ j ] + elementDelta;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tindex.array.copyWithin( nextIndexStart, indexStart, indexStart + reservedIndexCount );\n\t\t\t\t\tindex.addUpdateRange( nextIndexStart, reservedIndexCount );\n\n\t\t\t\t\tgeometryInfo.indexStart = nextIndexStart;\n\n\t\t\t\t}\n\n\t\t\t\tnextIndexStart += geometryInfo.reservedIndexCount;\n\n\t\t\t}\n\n\t\t\t// if a geometry needs to be moved then copy attribute data to overwrite unused space\n\t\t\tif ( geometryInfo.vertexStart !== nextVertexStart ) {\n\n\t\t\t\tconst { vertexStart, reservedVertexCount } = geometryInfo;\n\t\t\t\tconst attributes = geometry.attributes;\n\t\t\t\tfor ( const key in attributes ) {\n\n\t\t\t\t\tconst attribute = attributes[ key ];\n\t\t\t\t\tconst { array, itemSize } = attribute;\n\t\t\t\t\tarray.copyWithin( nextVertexStart * itemSize, vertexStart * itemSize, ( vertexStart + reservedVertexCount ) * itemSize );\n\t\t\t\t\tattribute.addUpdateRange( nextVertexStart * itemSize, reservedVertexCount * itemSize );\n\n\t\t\t\t}\n\n\t\t\t\tgeometryInfo.vertexStart = nextVertexStart;\n\n\t\t\t}\n\n\t\t\tnextVertexStart += geometryInfo.reservedVertexCount;\n\t\t\tgeometryInfo.start = geometry.index ? geometryInfo.indexStart : geometryInfo.vertexStart;\n\n\t\t\t// step the next geometry points to the shifted position\n\t\t\tthis._nextIndexStart = geometry.index ? geometryInfo.indexStart + geometryInfo.reservedIndexCount : 0;\n\t\t\tthis._nextVertexStart = geometryInfo.vertexStart + geometryInfo.reservedVertexCount;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// get bounding box and compute it if it doesn't exist\n\tgetBoundingBoxAt( geometryId, target ) {\n\n\t\tif ( geometryId >= this._geometryCount ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// compute bounding box\n\t\tconst geometry = this.geometry;\n\t\tconst geometryInfo = this._geometryInfo[ geometryId ];\n\t\tif ( geometryInfo.boundingBox === null ) {\n\n\t\t\tconst box = new Box3();\n\t\t\tconst index = geometry.index;\n\t\t\tconst position = geometry.attributes.position;\n\t\t\tfor ( let i = geometryInfo.start, l = geometryInfo.start + geometryInfo.count; i < l; i ++ ) {\n\n\t\t\t\tlet iv = i;\n\t\t\t\tif ( index ) {\n\n\t\t\t\t\tiv = index.getX( iv );\n\n\t\t\t\t}\n\n\t\t\t\tbox.expandByPoint( _vector$5.fromBufferAttribute( position, iv ) );\n\n\t\t\t}\n\n\t\t\tgeometryInfo.boundingBox = box;\n\n\t\t}\n\n\t\ttarget.copy( geometryInfo.boundingBox );\n\t\treturn target;\n\n\t}\n\n\t// get bounding sphere and compute it if it doesn't exist\n\tgetBoundingSphereAt( geometryId, target ) {\n\n\t\tif ( geometryId >= this._geometryCount ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// compute bounding sphere\n\t\tconst geometry = this.geometry;\n\t\tconst geometryInfo = this._geometryInfo[ geometryId ];\n\t\tif ( geometryInfo.boundingSphere === null ) {\n\n\t\t\tconst sphere = new Sphere();\n\t\t\tthis.getBoundingBoxAt( geometryId, _box$1 );\n\t\t\t_box$1.getCenter( sphere.center );\n\n\t\t\tconst index = geometry.index;\n\t\t\tconst position = geometry.attributes.position;\n\n\t\t\tlet maxRadiusSq = 0;\n\t\t\tfor ( let i = geometryInfo.start, l = geometryInfo.start + geometryInfo.count; i < l; i ++ ) {\n\n\t\t\t\tlet iv = i;\n\t\t\t\tif ( index ) {\n\n\t\t\t\t\tiv = index.getX( iv );\n\n\t\t\t\t}\n\n\t\t\t\t_vector$5.fromBufferAttribute( position, iv );\n\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, sphere.center.distanceToSquared( _vector$5 ) );\n\n\t\t\t}\n\n\t\t\tsphere.radius = Math.sqrt( maxRadiusSq );\n\t\t\tgeometryInfo.boundingSphere = sphere;\n\n\t\t}\n\n\t\ttarget.copy( geometryInfo.boundingSphere );\n\t\treturn target;\n\n\t}\n\n\tsetMatrixAt( instanceId, matrix ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\n\t\tconst matricesTexture = this._matricesTexture;\n\t\tconst matricesArray = this._matricesTexture.image.data;\n\t\tmatrix.toArray( matricesArray, instanceId * 16 );\n\t\tmatricesTexture.needsUpdate = true;\n\n\t\treturn this;\n\n\t}\n\n\tgetMatrixAt( instanceId, matrix ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\t\treturn matrix.fromArray( this._matricesTexture.image.data, instanceId * 16 );\n\n\t}\n\n\tsetColorAt( instanceId, color ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\n\t\tif ( this._colorsTexture === null ) {\n\n\t\t\tthis._initColorsTexture();\n\n\t\t}\n\n\t\tcolor.toArray( this._colorsTexture.image.data, instanceId * 4 );\n\t\tthis._colorsTexture.needsUpdate = true;\n\n\t\treturn this;\n\n\t}\n\n\tgetColorAt( instanceId, color ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\t\treturn color.fromArray( this._colorsTexture.image.data, instanceId * 4 );\n\n\t}\n\n\tsetVisibleAt( instanceId, value ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\n\t\tif ( this._instanceInfo[ instanceId ].visible === value ) {\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tthis._instanceInfo[ instanceId ].visible = value;\n\t\tthis._visibilityChanged = true;\n\n\t\treturn this;\n\n\t}\n\n\tgetVisibleAt( instanceId ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\n\t\treturn this._instanceInfo[ instanceId ].visible;\n\n\t}\n\n\tsetGeometryIdAt( instanceId, geometryId ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\t\tthis.validateGeometryId( geometryId );\n\n\t\tthis._instanceInfo[ instanceId ].geometryIndex = geometryId;\n\n\t\treturn this;\n\n\t}\n\n\tgetGeometryIdAt( instanceId ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\n\t\treturn this._instanceInfo[ instanceId ].geometryIndex;\n\n\t}\n\n\tgetGeometryRangeAt( geometryId, target = {} ) {\n\n\t\tthis.validateGeometryId( geometryId );\n\n\t\tconst geometryInfo = this._geometryInfo[ geometryId ];\n\t\ttarget.vertexStart = geometryInfo.vertexStart;\n\t\ttarget.vertexCount = geometryInfo.vertexCount;\n\t\ttarget.reservedVertexCount = geometryInfo.reservedVertexCount;\n\n\t\ttarget.indexStart = geometryInfo.indexStart;\n\t\ttarget.indexCount = geometryInfo.indexCount;\n\t\ttarget.reservedIndexCount = geometryInfo.reservedIndexCount;\n\n\t\ttarget.start = geometryInfo.start;\n\t\ttarget.count = geometryInfo.count;\n\n\t\treturn target;\n\n\t}\n\n\tsetInstanceCount( maxInstanceCount ) {\n\n\t\t// shrink the available instances as much as possible\n\t\tconst availableInstanceIds = this._availableInstanceIds;\n\t\tconst instanceInfo = this._instanceInfo;\n\t\tavailableInstanceIds.sort( ascIdSort );\n\t\twhile ( availableInstanceIds[ availableInstanceIds.length - 1 ] === instanceInfo.length ) {\n\n\t\t\tinstanceInfo.pop();\n\t\t\tavailableInstanceIds.pop();\n\n\t\t}\n\n\t\t// throw an error if it can't be shrunk to the desired size\n\t\tif ( maxInstanceCount < instanceInfo.length ) {\n\n\t\t\tthrow new Error( `BatchedMesh: Instance ids outside the range ${ maxInstanceCount } are being used. Cannot shrink instance count.` );\n\n\t\t}\n\n\t\t// copy the multi draw counts\n\t\tconst multiDrawCounts = new Int32Array( maxInstanceCount );\n\t\tconst multiDrawStarts = new Int32Array( maxInstanceCount );\n\t\tcopyArrayContents( this._multiDrawCounts, multiDrawCounts );\n\t\tcopyArrayContents( this._multiDrawStarts, multiDrawStarts );\n\n\t\tthis._multiDrawCounts = multiDrawCounts;\n\t\tthis._multiDrawStarts = multiDrawStarts;\n\t\tthis._maxInstanceCount = maxInstanceCount;\n\n\t\t// update texture data for instance sampling\n\t\tconst indirectTexture = this._indirectTexture;\n\t\tconst matricesTexture = this._matricesTexture;\n\t\tconst colorsTexture = this._colorsTexture;\n\n\t\tindirectTexture.dispose();\n\t\tthis._initIndirectTexture();\n\t\tcopyArrayContents( indirectTexture.image.data, this._indirectTexture.image.data );\n\n\t\tmatricesTexture.dispose();\n\t\tthis._initMatricesTexture();\n\t\tcopyArrayContents( matricesTexture.image.data, this._matricesTexture.image.data );\n\n\t\tif ( colorsTexture ) {\n\n\t\t\tcolorsTexture.dispose();\n\t\t\tthis._initColorsTexture();\n\t\t\tcopyArrayContents( colorsTexture.image.data, this._colorsTexture.image.data );\n\n\t\t}\n\n\t}\n\n\tsetGeometrySize( maxVertexCount, maxIndexCount ) {\n\n\t\t// Check if we can shrink to the requested vertex attribute size\n\t\tconst validRanges = [ ...this._geometryInfo ].filter( info => info.active );\n\t\tconst requiredVertexLength = Math.max( ...validRanges.map( range => range.vertexStart + range.reservedVertexCount ) );\n\t\tif ( requiredVertexLength > maxVertexCount ) {\n\n\t\t\tthrow new Error( `BatchedMesh: Geometry vertex values are being used outside the range ${ maxIndexCount }. Cannot shrink further.` );\n\n\t\t}\n\n\t\t// Check if we can shrink to the requested index attribute size\n\t\tif ( this.geometry.index ) {\n\n\t\t\tconst requiredIndexLength = Math.max( ...validRanges.map( range => range.indexStart + range.reservedIndexCount ) );\n\t\t\tif ( requiredIndexLength > maxIndexCount ) {\n\n\t\t\t\tthrow new Error( `BatchedMesh: Geometry index values are being used outside the range ${ maxIndexCount }. Cannot shrink further.` );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\t// dispose of the previous geometry\n\t\tconst oldGeometry = this.geometry;\n\t\toldGeometry.dispose();\n\n\t\t// recreate the geometry needed based on the previous variant\n\t\tthis._maxVertexCount = maxVertexCount;\n\t\tthis._maxIndexCount = maxIndexCount;\n\n\t\tif ( this._geometryInitialized ) {\n\n\t\t\tthis._geometryInitialized = false;\n\t\t\tthis.geometry = new BufferGeometry();\n\t\t\tthis._initializeGeometry( oldGeometry );\n\n\t\t}\n\n\t\t// copy data from the previous geometry\n\t\tconst geometry = this.geometry;\n\t\tif ( oldGeometry.index ) {\n\n\t\t\tcopyArrayContents( oldGeometry.index.array, geometry.index.array );\n\n\t\t}\n\n\t\tfor ( const key in oldGeometry.attributes ) {\n\n\t\t\tcopyArrayContents( oldGeometry.attributes[ key ].array, geometry.attributes[ key ].array );\n\n\t\t}\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst instanceInfo = this._instanceInfo;\n\t\tconst geometryInfoList = this._geometryInfo;\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst batchGeometry = this.geometry;\n\n\t\t// iterate over each geometry\n\t\t_mesh.material = this.material;\n\t\t_mesh.geometry.index = batchGeometry.index;\n\t\t_mesh.geometry.attributes = batchGeometry.attributes;\n\t\tif ( _mesh.geometry.boundingBox === null ) {\n\n\t\t\t_mesh.geometry.boundingBox = new Box3();\n\n\t\t}\n\n\t\tif ( _mesh.geometry.boundingSphere === null ) {\n\n\t\t\t_mesh.geometry.boundingSphere = new Sphere();\n\n\t\t}\n\n\t\tfor ( let i = 0, l = instanceInfo.length; i < l; i ++ ) {\n\n\t\t\tif ( ! instanceInfo[ i ].visible || ! instanceInfo[ i ].active ) {\n\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tconst geometryId = instanceInfo[ i ].geometryIndex;\n\t\t\tconst geometryInfo = geometryInfoList[ geometryId ];\n\t\t\t_mesh.geometry.setDrawRange( geometryInfo.start, geometryInfo.count );\n\n\t\t\t// get the intersects\n\t\t\tthis.getMatrixAt( i, _mesh.matrixWorld ).premultiply( matrixWorld );\n\t\t\tthis.getBoundingBoxAt( geometryId, _mesh.geometry.boundingBox );\n\t\t\tthis.getBoundingSphereAt( geometryId, _mesh.geometry.boundingSphere );\n\t\t\t_mesh.raycast( raycaster, _batchIntersects );\n\n\t\t\t// add batch id to the intersects\n\t\t\tfor ( let j = 0, l = _batchIntersects.length; j < l; j ++ ) {\n\n\t\t\t\tconst intersect = _batchIntersects[ j ];\n\t\t\t\tintersect.object = this;\n\t\t\t\tintersect.batchId = i;\n\t\t\t\tintersects.push( intersect );\n\n\t\t\t}\n\n\t\t\t_batchIntersects.length = 0;\n\n\t\t}\n\n\t\t_mesh.material = null;\n\t\t_mesh.geometry.index = null;\n\t\t_mesh.geometry.attributes = {};\n\t\t_mesh.geometry.setDrawRange( 0, Infinity );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.geometry = source.geometry.clone();\n\t\tthis.perObjectFrustumCulled = source.perObjectFrustumCulled;\n\t\tthis.sortObjects = source.sortObjects;\n\t\tthis.boundingBox = source.boundingBox !== null ? source.boundingBox.clone() : null;\n\t\tthis.boundingSphere = source.boundingSphere !== null ? source.boundingSphere.clone() : null;\n\n\t\tthis._geometryInfo = source._geometryInfo.map( info => ( {\n\t\t\t...info,\n\n\t\t\tboundingBox: info.boundingBox !== null ? info.boundingBox.clone() : null,\n\t\t\tboundingSphere: info.boundingSphere !== null ? info.boundingSphere.clone() : null,\n\t\t} ) );\n\t\tthis._instanceInfo = source._instanceInfo.map( info => ( { ...info } ) );\n\n\t\tthis._maxInstanceCount = source._maxInstanceCount;\n\t\tthis._maxVertexCount = source._maxVertexCount;\n\t\tthis._maxIndexCount = source._maxIndexCount;\n\n\t\tthis._geometryInitialized = source._geometryInitialized;\n\t\tthis._geometryCount = source._geometryCount;\n\t\tthis._multiDrawCounts = source._multiDrawCounts.slice();\n\t\tthis._multiDrawStarts = source._multiDrawStarts.slice();\n\n\t\tthis._matricesTexture = source._matricesTexture.clone();\n\t\tthis._matricesTexture.image.data = this._matricesTexture.image.data.slice();\n\n\t\tif ( this._colorsTexture !== null ) {\n\n\t\t\tthis._colorsTexture = source._colorsTexture.clone();\n\t\t\tthis._colorsTexture.image.data = this._colorsTexture.image.data.slice();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\t// Assuming the geometry is not shared with other meshes\n\t\tthis.geometry.dispose();\n\n\t\tthis._matricesTexture.dispose();\n\t\tthis._matricesTexture = null;\n\n\t\tthis._indirectTexture.dispose();\n\t\tthis._indirectTexture = null;\n\n\t\tif ( this._colorsTexture !== null ) {\n\n\t\t\tthis._colorsTexture.dispose();\n\t\t\tthis._colorsTexture = null;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tonBeforeRender( renderer, scene, camera, geometry, material/*, _group*/ ) {\n\n\t\t// if visibility has not changed and frustum culling and object sorting is not required\n\t\t// then skip iterating over all items\n\t\tif ( ! this._visibilityChanged && ! this.perObjectFrustumCulled && ! this.sortObjects ) {\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t// the indexed version of the multi draw function requires specifying the start\n\t\t// offset in bytes.\n\t\tconst index = geometry.getIndex();\n\t\tconst bytesPerElement = index === null ? 1 : index.array.BYTES_PER_ELEMENT;\n\n\t\tconst instanceInfo = this._instanceInfo;\n\t\tconst multiDrawStarts = this._multiDrawStarts;\n\t\tconst multiDrawCounts = this._multiDrawCounts;\n\t\tconst geometryInfoList = this._geometryInfo;\n\t\tconst perObjectFrustumCulled = this.perObjectFrustumCulled;\n\t\tconst indirectTexture = this._indirectTexture;\n\t\tconst indirectArray = indirectTexture.image.data;\n\n\t\t// prepare the frustum in the local frame\n\t\tif ( perObjectFrustumCulled ) {\n\n\t\t\t_matrix$1\n\t\t\t\t.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse )\n\t\t\t\t.multiply( this.matrixWorld );\n\t\t\t_frustum.setFromProjectionMatrix(\n\t\t\t\t_matrix$1,\n\t\t\t\trenderer.coordinateSystem\n\t\t\t);\n\n\t\t}\n\n\t\tlet multiDrawCount = 0;\n\t\tif ( this.sortObjects ) {\n\n\t\t\t// get the camera position in the local frame\n\t\t\t_matrix$1.copy( this.matrixWorld ).invert();\n\t\t\t_vector$5.setFromMatrixPosition( camera.matrixWorld ).applyMatrix4( _matrix$1 );\n\t\t\t_forward.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld ).transformDirection( _matrix$1 );\n\n\t\t\tfor ( let i = 0, l = instanceInfo.length; i < l; i ++ ) {\n\n\t\t\t\tif ( instanceInfo[ i ].visible && instanceInfo[ i ].active ) {\n\n\t\t\t\t\tconst geometryId = instanceInfo[ i ].geometryIndex;\n\n\t\t\t\t\t// get the bounds in world space\n\t\t\t\t\tthis.getMatrixAt( i, _matrix$1 );\n\t\t\t\t\tthis.getBoundingSphereAt( geometryId, _sphere$2 ).applyMatrix4( _matrix$1 );\n\n\t\t\t\t\t// determine whether the batched geometry is within the frustum\n\t\t\t\t\tlet culled = false;\n\t\t\t\t\tif ( perObjectFrustumCulled ) {\n\n\t\t\t\t\t\tculled = ! _frustum.intersectsSphere( _sphere$2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! culled ) {\n\n\t\t\t\t\t\t// get the distance from camera used for sorting\n\t\t\t\t\t\tconst geometryInfo = geometryInfoList[ geometryId ];\n\t\t\t\t\t\tconst z = _temp.subVectors( _sphere$2.center, _vector$5 ).dot( _forward );\n\t\t\t\t\t\t_renderList.push( geometryInfo.start, geometryInfo.count, z, i );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Sort the draw ranges and prep for rendering\n\t\t\tconst list = _renderList.list;\n\t\t\tconst customSort = this.customSort;\n\t\t\tif ( customSort === null ) {\n\n\t\t\t\tlist.sort( material.transparent ? sortTransparent : sortOpaque );\n\n\t\t\t} else {\n\n\t\t\t\tcustomSort.call( this, list, camera );\n\n\t\t\t}\n\n\t\t\tfor ( let i = 0, l = list.length; i < l; i ++ ) {\n\n\t\t\t\tconst item = list[ i ];\n\t\t\t\tmultiDrawStarts[ multiDrawCount ] = item.start * bytesPerElement;\n\t\t\t\tmultiDrawCounts[ multiDrawCount ] = item.count;\n\t\t\t\tindirectArray[ multiDrawCount ] = item.index;\n\t\t\t\tmultiDrawCount ++;\n\n\t\t\t}\n\n\t\t\t_renderList.reset();\n\n\t\t} else {\n\n\t\t\tfor ( let i = 0, l = instanceInfo.length; i < l; i ++ ) {\n\n\t\t\t\tif ( instanceInfo[ i ].visible && instanceInfo[ i ].active ) {\n\n\t\t\t\t\tconst geometryId = instanceInfo[ i ].geometryIndex;\n\n\t\t\t\t\t// determine whether the batched geometry is within the frustum\n\t\t\t\t\tlet culled = false;\n\t\t\t\t\tif ( perObjectFrustumCulled ) {\n\n\t\t\t\t\t\t// get the bounds in world space\n\t\t\t\t\t\tthis.getMatrixAt( i, _matrix$1 );\n\t\t\t\t\t\tthis.getBoundingSphereAt( geometryId, _sphere$2 ).applyMatrix4( _matrix$1 );\n\t\t\t\t\t\tculled = ! _frustum.intersectsSphere( _sphere$2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! culled ) {\n\n\t\t\t\t\t\tconst geometryInfo = geometryInfoList[ geometryId ];\n\t\t\t\t\t\tmultiDrawStarts[ multiDrawCount ] = geometryInfo.start * bytesPerElement;\n\t\t\t\t\t\tmultiDrawCounts[ multiDrawCount ] = geometryInfo.count;\n\t\t\t\t\t\tindirectArray[ multiDrawCount ] = i;\n\t\t\t\t\t\tmultiDrawCount ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tindirectTexture.needsUpdate = true;\n\t\tthis._multiDrawCount = multiDrawCount;\n\t\tthis._visibilityChanged = false;\n\n\t}\n\n\tonBeforeShadow( renderer, object, camera, shadowCamera, geometry, depthMaterial/* , group */ ) {\n\n\t\tthis.onBeforeRender( renderer, null, shadowCamera, geometry, depthMaterial );\n\n\t}\n\n}\n\nclass LineBasicMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isLineBasicMaterial = true;\n\n\t\tthis.type = 'LineBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.linewidth = 1;\n\t\tthis.linecap = 'round';\n\t\tthis.linejoin = 'round';\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.linewidth = source.linewidth;\n\t\tthis.linecap = source.linecap;\n\t\tthis.linejoin = source.linejoin;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _vStart = /*@__PURE__*/ new Vector3();\nconst _vEnd = /*@__PURE__*/ new Vector3();\n\nconst _inverseMatrix$1 = /*@__PURE__*/ new Matrix4();\nconst _ray$1 = /*@__PURE__*/ new Ray();\nconst _sphere$1 = /*@__PURE__*/ new Sphere();\n\nconst _intersectPointOnRay = /*@__PURE__*/ new Vector3();\nconst _intersectPointOnSegment = /*@__PURE__*/ new Vector3();\n\nclass Line extends Object3D {\n\n\tconstructor( geometry = new BufferGeometry(), material = new LineBasicMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.isLine = true;\n\n\t\tthis.type = 'Line';\n\n\t\tthis.geometry = geometry;\n\t\tthis.material = material;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.material = Array.isArray( source.material ) ? source.material.slice() : source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\tcomputeLineDistances() {\n\n\t\tconst geometry = this.geometry;\n\n\t\t// we assume non-indexed geometry\n\n\t\tif ( geometry.index === null ) {\n\n\t\t\tconst positionAttribute = geometry.attributes.position;\n\t\t\tconst lineDistances = [ 0 ];\n\n\t\t\tfor ( let i = 1, l = positionAttribute.count; i < l; i ++ ) {\n\n\t\t\t\t_vStart.fromBufferAttribute( positionAttribute, i - 1 );\n\t\t\t\t_vEnd.fromBufferAttribute( positionAttribute, i );\n\n\t\t\t\tlineDistances[ i ] = lineDistances[ i - 1 ];\n\t\t\t\tlineDistances[ i ] += _vStart.distanceTo( _vEnd );\n\n\t\t\t}\n\n\t\t\tgeometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) );\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst threshold = raycaster.params.Line.threshold;\n\t\tconst drawRange = geometry.drawRange;\n\n\t\t// Checking boundingSphere distance to ray\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere$1.copy( geometry.boundingSphere );\n\t\t_sphere$1.applyMatrix4( matrixWorld );\n\t\t_sphere$1.radius += threshold;\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere$1 ) === false ) return;\n\n\t\t//\n\n\t\t_inverseMatrix$1.copy( matrixWorld ).invert();\n\t\t_ray$1.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$1 );\n\n\t\tconst localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\tconst localThresholdSq = localThreshold * localThreshold;\n\n\t\tconst step = this.isLineSegments ? 2 : 1;\n\n\t\tconst index = geometry.index;\n\t\tconst attributes = geometry.attributes;\n\t\tconst positionAttribute = attributes.position;\n\n\t\tif ( index !== null ) {\n\n\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\tfor ( let i = start, l = end - 1; i < l; i += step ) {\n\n\t\t\t\tconst a = index.getX( i );\n\t\t\t\tconst b = index.getX( i + 1 );\n\n\t\t\t\tconst intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, a, b, i );\n\n\t\t\t\tif ( intersect ) {\n\n\t\t\t\t\tintersects.push( intersect );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.isLineLoop ) {\n\n\t\t\t\tconst a = index.getX( end - 1 );\n\t\t\t\tconst b = index.getX( start );\n\n\t\t\t\tconst intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, a, b, end - 1 );\n\n\t\t\t\tif ( intersect ) {\n\n\t\t\t\t\tintersects.push( intersect );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\tconst end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\tfor ( let i = start, l = end - 1; i < l; i += step ) {\n\n\t\t\t\tconst intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, i, i + 1, i );\n\n\t\t\t\tif ( intersect ) {\n\n\t\t\t\t\tintersects.push( intersect );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.isLineLoop ) {\n\n\t\t\t\tconst intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, end - 1, start, end - 1 );\n\n\t\t\t\tif ( intersect ) {\n\n\t\t\t\t\tintersects.push( intersect );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tconst morphAttributes = geometry.morphAttributes;\n\t\tconst keys = Object.keys( morphAttributes );\n\n\t\tif ( keys.length > 0 ) {\n\n\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nfunction checkIntersection( object, raycaster, ray, thresholdSq, a, b, i ) {\n\n\tconst positionAttribute = object.geometry.attributes.position;\n\n\t_vStart.fromBufferAttribute( positionAttribute, a );\n\t_vEnd.fromBufferAttribute( positionAttribute, b );\n\n\tconst distSq = ray.distanceSqToSegment( _vStart, _vEnd, _intersectPointOnRay, _intersectPointOnSegment );\n\n\tif ( distSq > thresholdSq ) return;\n\n\t_intersectPointOnRay.applyMatrix4( object.matrixWorld ); // Move back to world space for distance calculation\n\n\tconst distance = raycaster.ray.origin.distanceTo( _intersectPointOnRay );\n\n\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\treturn {\n\n\t\tdistance: distance,\n\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t// point: raycaster.ray.at( distance ),\n\t\tpoint: _intersectPointOnSegment.clone().applyMatrix4( object.matrixWorld ),\n\t\tindex: i,\n\t\tface: null,\n\t\tfaceIndex: null,\n\t\tbarycoord: null,\n\t\tobject: object\n\n\t};\n\n}\n\nconst _start = /*@__PURE__*/ new Vector3();\nconst _end = /*@__PURE__*/ new Vector3();\n\nclass LineSegments extends Line {\n\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.isLineSegments = true;\n\n\t\tthis.type = 'LineSegments';\n\n\t}\n\n\tcomputeLineDistances() {\n\n\t\tconst geometry = this.geometry;\n\n\t\t// we assume non-indexed geometry\n\n\t\tif ( geometry.index === null ) {\n\n\t\t\tconst positionAttribute = geometry.attributes.position;\n\t\t\tconst lineDistances = [];\n\n\t\t\tfor ( let i = 0, l = positionAttribute.count; i < l; i += 2 ) {\n\n\t\t\t\t_start.fromBufferAttribute( positionAttribute, i );\n\t\t\t\t_end.fromBufferAttribute( positionAttribute, i + 1 );\n\n\t\t\t\tlineDistances[ i ] = ( i === 0 ) ? 0 : lineDistances[ i - 1 ];\n\t\t\t\tlineDistances[ i + 1 ] = lineDistances[ i ] + _start.distanceTo( _end );\n\n\t\t\t}\n\n\t\t\tgeometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) );\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass LineLoop extends Line {\n\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.isLineLoop = true;\n\n\t\tthis.type = 'LineLoop';\n\n\t}\n\n}\n\nclass PointsMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isPointsMaterial = true;\n\n\t\tthis.type = 'PointsMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.size = 1;\n\t\tthis.sizeAttenuation = true;\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.size = source.size;\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _inverseMatrix = /*@__PURE__*/ new Matrix4();\nconst _ray = /*@__PURE__*/ new Ray();\nconst _sphere = /*@__PURE__*/ new Sphere();\nconst _position$2 = /*@__PURE__*/ new Vector3();\n\nclass Points extends Object3D {\n\n\tconstructor( geometry = new BufferGeometry(), material = new PointsMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.isPoints = true;\n\n\t\tthis.type = 'Points';\n\n\t\tthis.geometry = geometry;\n\t\tthis.material = material;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.material = Array.isArray( source.material ) ? source.material.slice() : source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst threshold = raycaster.params.Points.threshold;\n\t\tconst drawRange = geometry.drawRange;\n\n\t\t// Checking boundingSphere distance to ray\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere.copy( geometry.boundingSphere );\n\t\t_sphere.applyMatrix4( matrixWorld );\n\t\t_sphere.radius += threshold;\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere ) === false ) return;\n\n\t\t//\n\n\t\t_inverseMatrix.copy( matrixWorld ).invert();\n\t\t_ray.copy( raycaster.ray ).applyMatrix4( _inverseMatrix );\n\n\t\tconst localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\tconst localThresholdSq = localThreshold * localThreshold;\n\n\t\tconst index = geometry.index;\n\t\tconst attributes = geometry.attributes;\n\t\tconst positionAttribute = attributes.position;\n\n\t\tif ( index !== null ) {\n\n\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\tfor ( let i = start, il = end; i < il; i ++ ) {\n\n\t\t\t\tconst a = index.getX( i );\n\n\t\t\t\t_position$2.fromBufferAttribute( positionAttribute, a );\n\n\t\t\t\ttestPoint( _position$2, a, localThresholdSq, matrixWorld, raycaster, intersects, this );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\tconst end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\tfor ( let i = start, l = end; i < l; i ++ ) {\n\n\t\t\t\t_position$2.fromBufferAttribute( positionAttribute, i );\n\n\t\t\t\ttestPoint( _position$2, i, localThresholdSq, matrixWorld, raycaster, intersects, this );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tconst morphAttributes = geometry.morphAttributes;\n\t\tconst keys = Object.keys( morphAttributes );\n\n\t\tif ( keys.length > 0 ) {\n\n\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nfunction testPoint( point, index, localThresholdSq, matrixWorld, raycaster, intersects, object ) {\n\n\tconst rayPointDistanceSq = _ray.distanceSqToPoint( point );\n\n\tif ( rayPointDistanceSq < localThresholdSq ) {\n\n\t\tconst intersectPoint = new Vector3();\n\n\t\t_ray.closestPointToPoint( point, intersectPoint );\n\t\tintersectPoint.applyMatrix4( matrixWorld );\n\n\t\tconst distance = raycaster.ray.origin.distanceTo( intersectPoint );\n\n\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\tintersects.push( {\n\n\t\t\tdistance: distance,\n\t\t\tdistanceToRay: Math.sqrt( rayPointDistanceSq ),\n\t\t\tpoint: intersectPoint,\n\t\t\tindex: index,\n\t\t\tface: null,\n\t\t\tfaceIndex: null,\n\t\t\tbarycoord: null,\n\t\t\tobject: object\n\n\t\t} );\n\n\t}\n\n}\n\nclass VideoTexture extends Texture {\n\n\tconstructor( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tsuper( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.isVideoTexture = true;\n\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : LinearFilter;\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : LinearFilter;\n\n\t\tthis.generateMipmaps = false;\n\n\t\tconst scope = this;\n\n\t\tfunction updateVideo() {\n\n\t\t\tscope.needsUpdate = true;\n\t\t\tvideo.requestVideoFrameCallback( updateVideo );\n\n\t\t}\n\n\t\tif ( 'requestVideoFrameCallback' in video ) {\n\n\t\t\tvideo.requestVideoFrameCallback( updateVideo );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.image ).copy( this );\n\n\t}\n\n\tupdate() {\n\n\t\tconst video = this.image;\n\t\tconst hasVideoFrameCallback = 'requestVideoFrameCallback' in video;\n\n\t\tif ( hasVideoFrameCallback === false && video.readyState >= video.HAVE_CURRENT_DATA ) {\n\n\t\t\tthis.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n}\n\nclass VideoFrameTexture extends VideoTexture {\n\n\tconstructor( mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tsuper( {}, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.isVideoFrameTexture = true;\n\n\t}\n\n\tupdate() {\n\n\t\t// overwrites `VideoTexture.update()` with an empty method since\n\t\t// this type of texture is updated via `setFrame()`.\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this ); // restoring Texture.clone()\n\n\t}\n\n\tsetFrame( frame ) {\n\n\t\tthis.image = frame;\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nclass FramebufferTexture extends Texture {\n\n\tconstructor( width, height ) {\n\n\t\tsuper( { width, height } );\n\n\t\tthis.isFramebufferTexture = true;\n\n\t\tthis.magFilter = NearestFilter;\n\t\tthis.minFilter = NearestFilter;\n\n\t\tthis.generateMipmaps = false;\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nclass CompressedTexture extends Texture {\n\n\tconstructor( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, colorSpace ) {\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace );\n\n\t\tthis.isCompressedTexture = true;\n\n\t\tthis.image = { width: width, height: height };\n\t\tthis.mipmaps = mipmaps;\n\n\t\t// no flipping for cube textures\n\t\t// (also flipping doesn't work for compressed textures )\n\n\t\tthis.flipY = false;\n\n\t\t// can't generate mipmaps for compressed textures\n\t\t// mips must be embedded in DDS files\n\n\t\tthis.generateMipmaps = false;\n\n\t}\n\n}\n\nclass CompressedArrayTexture extends CompressedTexture {\n\n\tconstructor( mipmaps, width, height, depth, format, type ) {\n\n\t\tsuper( mipmaps, width, height, format, type );\n\n\t\tthis.isCompressedArrayTexture = true;\n\t\tthis.image.depth = depth;\n\t\tthis.wrapR = ClampToEdgeWrapping;\n\n\t\tthis.layerUpdates = new Set();\n\n\t}\n\n\taddLayerUpdate( layerIndex ) {\n\n\t\tthis.layerUpdates.add( layerIndex );\n\n\t}\n\n\tclearLayerUpdates() {\n\n\t\tthis.layerUpdates.clear();\n\n\t}\n\n}\n\nclass CompressedCubeTexture extends CompressedTexture {\n\n\tconstructor( images, format, type ) {\n\n\t\tsuper( undefined, images[ 0 ].width, images[ 0 ].height, format, type, CubeReflectionMapping );\n\n\t\tthis.isCompressedCubeTexture = true;\n\t\tthis.isCubeTexture = true;\n\n\t\tthis.image = images;\n\n\t}\n\n}\n\nclass CanvasTexture extends Texture {\n\n\tconstructor( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tsuper( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.isCanvasTexture = true;\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nclass DepthTexture extends Texture {\n\n\tconstructor( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format = DepthFormat ) {\n\n\t\tif ( format !== DepthFormat && format !== DepthStencilFormat ) {\n\n\t\t\tthrow new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' );\n\n\t\t}\n\n\t\tif ( type === undefined && format === DepthFormat ) type = UnsignedIntType;\n\t\tif ( type === undefined && format === DepthStencilFormat ) type = UnsignedInt248Type;\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.isDepthTexture = true;\n\n\t\tthis.image = { width: width, height: height };\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : NearestFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : NearestFilter;\n\n\t\tthis.flipY = false;\n\t\tthis.generateMipmaps = false;\n\n\t\tthis.compareFunction = null;\n\n\t}\n\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.compareFunction = source.compareFunction;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tif ( this.compareFunction !== null ) data.compareFunction = this.compareFunction;\n\n\t\treturn data;\n\n\t}\n\n}\n\n/**\n * Extensible curve object.\n *\n * Some common of curve methods:\n * .getPoint( t, optionalTarget ), .getTangent( t, optionalTarget )\n * .getPointAt( u, optionalTarget ), .getTangentAt( u, optionalTarget )\n * .getPoints(), .getSpacedPoints()\n * .getLength()\n * .updateArcLengths()\n *\n * This following curves inherit from THREE.Curve:\n *\n * -- 2D curves --\n * THREE.ArcCurve\n * THREE.CubicBezierCurve\n * THREE.EllipseCurve\n * THREE.LineCurve\n * THREE.QuadraticBezierCurve\n * THREE.SplineCurve\n *\n * -- 3D curves --\n * THREE.CatmullRomCurve3\n * THREE.CubicBezierCurve3\n * THREE.LineCurve3\n * THREE.QuadraticBezierCurve3\n *\n * A series of curves can be represented as a THREE.CurvePath.\n *\n **/\n\nclass Curve {\n\n\tconstructor() {\n\n\t\tthis.type = 'Curve';\n\n\t\tthis.arcLengthDivisions = 200;\n\n\t}\n\n\t// Virtual base class method to overwrite and implement in subclasses\n\t//\t- t [0 .. 1]\n\n\tgetPoint( /* t, optionalTarget */ ) {\n\n\t\tconsole.warn( 'THREE.Curve: .getPoint() not implemented.' );\n\t\treturn null;\n\n\t}\n\n\t// Get point at relative position in curve according to arc length\n\t// - u [0 .. 1]\n\n\tgetPointAt( u, optionalTarget ) {\n\n\t\tconst t = this.getUtoTmapping( u );\n\t\treturn this.getPoint( t, optionalTarget );\n\n\t}\n\n\t// Get sequence of points using getPoint( t )\n\n\tgetPoints( divisions = 5 ) {\n\n\t\tconst points = [];\n\n\t\tfor ( let d = 0; d <= divisions; d ++ ) {\n\n\t\t\tpoints.push( this.getPoint( d / divisions ) );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\t// Get sequence of points using getPointAt( u )\n\n\tgetSpacedPoints( divisions = 5 ) {\n\n\t\tconst points = [];\n\n\t\tfor ( let d = 0; d <= divisions; d ++ ) {\n\n\t\t\tpoints.push( this.getPointAt( d / divisions ) );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\t// Get total curve arc length\n\n\tgetLength() {\n\n\t\tconst lengths = this.getLengths();\n\t\treturn lengths[ lengths.length - 1 ];\n\n\t}\n\n\t// Get list of cumulative segment lengths\n\n\tgetLengths( divisions = this.arcLengthDivisions ) {\n\n\t\tif ( this.cacheArcLengths &&\n\t\t\t( this.cacheArcLengths.length === divisions + 1 ) &&\n\t\t\t! this.needsUpdate ) {\n\n\t\t\treturn this.cacheArcLengths;\n\n\t\t}\n\n\t\tthis.needsUpdate = false;\n\n\t\tconst cache = [];\n\t\tlet current, last = this.getPoint( 0 );\n\t\tlet sum = 0;\n\n\t\tcache.push( 0 );\n\n\t\tfor ( let p = 1; p <= divisions; p ++ ) {\n\n\t\t\tcurrent = this.getPoint( p / divisions );\n\t\t\tsum += current.distanceTo( last );\n\t\t\tcache.push( sum );\n\t\t\tlast = current;\n\n\t\t}\n\n\t\tthis.cacheArcLengths = cache;\n\n\t\treturn cache; // { sums: cache, sum: sum }; Sum is in the last element.\n\n\t}\n\n\tupdateArcLengths() {\n\n\t\tthis.needsUpdate = true;\n\t\tthis.getLengths();\n\n\t}\n\n\t// Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant\n\n\tgetUtoTmapping( u, distance ) {\n\n\t\tconst arcLengths = this.getLengths();\n\n\t\tlet i = 0;\n\t\tconst il = arcLengths.length;\n\n\t\tlet targetArcLength; // The targeted u distance value to get\n\n\t\tif ( distance ) {\n\n\t\t\ttargetArcLength = distance;\n\n\t\t} else {\n\n\t\t\ttargetArcLength = u * arcLengths[ il - 1 ];\n\n\t\t}\n\n\t\t// binary search for the index with largest value smaller than target u distance\n\n\t\tlet low = 0, high = il - 1, comparison;\n\n\t\twhile ( low <= high ) {\n\n\t\t\ti = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats\n\n\t\t\tcomparison = arcLengths[ i ] - targetArcLength;\n\n\t\t\tif ( comparison < 0 ) {\n\n\t\t\t\tlow = i + 1;\n\n\t\t\t} else if ( comparison > 0 ) {\n\n\t\t\t\thigh = i - 1;\n\n\t\t\t} else {\n\n\t\t\t\thigh = i;\n\t\t\t\tbreak;\n\n\t\t\t\t// DONE\n\n\t\t\t}\n\n\t\t}\n\n\t\ti = high;\n\n\t\tif ( arcLengths[ i ] === targetArcLength ) {\n\n\t\t\treturn i / ( il - 1 );\n\n\t\t}\n\n\t\t// we could get finer grain at lengths, or use simple interpolation between two points\n\n\t\tconst lengthBefore = arcLengths[ i ];\n\t\tconst lengthAfter = arcLengths[ i + 1 ];\n\n\t\tconst segmentLength = lengthAfter - lengthBefore;\n\n\t\t// determine where we are between the 'before' and 'after' points\n\n\t\tconst segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength;\n\n\t\t// add that fractional amount to t\n\n\t\tconst t = ( i + segmentFraction ) / ( il - 1 );\n\n\t\treturn t;\n\n\t}\n\n\t// Returns a unit vector tangent at t\n\t// In case any sub curve does not implement its tangent derivation,\n\t// 2 points a small delta apart will be used to find its gradient\n\t// which seems to give a reasonable approximation\n\n\tgetTangent( t, optionalTarget ) {\n\n\t\tconst delta = 0.0001;\n\t\tlet t1 = t - delta;\n\t\tlet t2 = t + delta;\n\n\t\t// Capping in case of danger\n\n\t\tif ( t1 < 0 ) t1 = 0;\n\t\tif ( t2 > 1 ) t2 = 1;\n\n\t\tconst pt1 = this.getPoint( t1 );\n\t\tconst pt2 = this.getPoint( t2 );\n\n\t\tconst tangent = optionalTarget || ( ( pt1.isVector2 ) ? new Vector2() : new Vector3() );\n\n\t\ttangent.copy( pt2 ).sub( pt1 ).normalize();\n\n\t\treturn tangent;\n\n\t}\n\n\tgetTangentAt( u, optionalTarget ) {\n\n\t\tconst t = this.getUtoTmapping( u );\n\t\treturn this.getTangent( t, optionalTarget );\n\n\t}\n\n\tcomputeFrenetFrames( segments, closed ) {\n\n\t\t// see http://www.cs.indiana.edu/pub/techreports/TR425.pdf\n\n\t\tconst normal = new Vector3();\n\n\t\tconst tangents = [];\n\t\tconst normals = [];\n\t\tconst binormals = [];\n\n\t\tconst vec = new Vector3();\n\t\tconst mat = new Matrix4();\n\n\t\t// compute the tangent vectors for each segment on the curve\n\n\t\tfor ( let i = 0; i <= segments; i ++ ) {\n\n\t\t\tconst u = i / segments;\n\n\t\t\ttangents[ i ] = this.getTangentAt( u, new Vector3() );\n\n\t\t}\n\n\t\t// select an initial normal vector perpendicular to the first tangent vector,\n\t\t// and in the direction of the minimum tangent xyz component\n\n\t\tnormals[ 0 ] = new Vector3();\n\t\tbinormals[ 0 ] = new Vector3();\n\t\tlet min = Number.MAX_VALUE;\n\t\tconst tx = Math.abs( tangents[ 0 ].x );\n\t\tconst ty = Math.abs( tangents[ 0 ].y );\n\t\tconst tz = Math.abs( tangents[ 0 ].z );\n\n\t\tif ( tx <= min ) {\n\n\t\t\tmin = tx;\n\t\t\tnormal.set( 1, 0, 0 );\n\n\t\t}\n\n\t\tif ( ty <= min ) {\n\n\t\t\tmin = ty;\n\t\t\tnormal.set( 0, 1, 0 );\n\n\t\t}\n\n\t\tif ( tz <= min ) {\n\n\t\t\tnormal.set( 0, 0, 1 );\n\n\t\t}\n\n\t\tvec.crossVectors( tangents[ 0 ], normal ).normalize();\n\n\t\tnormals[ 0 ].crossVectors( tangents[ 0 ], vec );\n\t\tbinormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] );\n\n\n\t\t// compute the slowly-varying normal and binormal vectors for each segment on the curve\n\n\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\tnormals[ i ] = normals[ i - 1 ].clone();\n\n\t\t\tbinormals[ i ] = binormals[ i - 1 ].clone();\n\n\t\t\tvec.crossVectors( tangents[ i - 1 ], tangents[ i ] );\n\n\t\t\tif ( vec.length() > Number.EPSILON ) {\n\n\t\t\t\tvec.normalize();\n\n\t\t\t\tconst theta = Math.acos( clamp( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors\n\n\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) );\n\n\t\t\t}\n\n\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t}\n\n\t\t// if the curve is closed, postprocess the vectors so the first and last normal vectors are the same\n\n\t\tif ( closed === true ) {\n\n\t\t\tlet theta = Math.acos( clamp( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) );\n\t\t\ttheta /= segments;\n\n\t\t\tif ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) {\n\n\t\t\t\ttheta = - theta;\n\n\t\t\t}\n\n\t\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\t\t// twist a little...\n\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) );\n\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn {\n\t\t\ttangents: tangents,\n\t\t\tnormals: normals,\n\t\t\tbinormals: binormals\n\t\t};\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.arcLengthDivisions = source.arcLengthDivisions;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.6,\n\t\t\t\ttype: 'Curve',\n\t\t\t\tgenerator: 'Curve.toJSON'\n\t\t\t}\n\t\t};\n\n\t\tdata.arcLengthDivisions = this.arcLengthDivisions;\n\t\tdata.type = this.type;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tthis.arcLengthDivisions = json.arcLengthDivisions;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass EllipseCurve extends Curve {\n\n\tconstructor( aX = 0, aY = 0, xRadius = 1, yRadius = 1, aStartAngle = 0, aEndAngle = Math.PI * 2, aClockwise = false, aRotation = 0 ) {\n\n\t\tsuper();\n\n\t\tthis.isEllipseCurve = true;\n\n\t\tthis.type = 'EllipseCurve';\n\n\t\tthis.aX = aX;\n\t\tthis.aY = aY;\n\n\t\tthis.xRadius = xRadius;\n\t\tthis.yRadius = yRadius;\n\n\t\tthis.aStartAngle = aStartAngle;\n\t\tthis.aEndAngle = aEndAngle;\n\n\t\tthis.aClockwise = aClockwise;\n\n\t\tthis.aRotation = aRotation;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst twoPi = Math.PI * 2;\n\t\tlet deltaAngle = this.aEndAngle - this.aStartAngle;\n\t\tconst samePoints = Math.abs( deltaAngle ) < Number.EPSILON;\n\n\t\t// ensures that deltaAngle is 0 .. 2 PI\n\t\twhile ( deltaAngle < 0 ) deltaAngle += twoPi;\n\t\twhile ( deltaAngle > twoPi ) deltaAngle -= twoPi;\n\n\t\tif ( deltaAngle < Number.EPSILON ) {\n\n\t\t\tif ( samePoints ) {\n\n\t\t\t\tdeltaAngle = 0;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.aClockwise === true && ! samePoints ) {\n\n\t\t\tif ( deltaAngle === twoPi ) {\n\n\t\t\t\tdeltaAngle = - twoPi;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = deltaAngle - twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst angle = this.aStartAngle + t * deltaAngle;\n\t\tlet x = this.aX + this.xRadius * Math.cos( angle );\n\t\tlet y = this.aY + this.yRadius * Math.sin( angle );\n\n\t\tif ( this.aRotation !== 0 ) {\n\n\t\t\tconst cos = Math.cos( this.aRotation );\n\t\t\tconst sin = Math.sin( this.aRotation );\n\n\t\t\tconst tx = x - this.aX;\n\t\t\tconst ty = y - this.aY;\n\n\t\t\t// Rotate the point about the center of the ellipse.\n\t\t\tx = tx * cos - ty * sin + this.aX;\n\t\t\ty = tx * sin + ty * cos + this.aY;\n\n\t\t}\n\n\t\treturn point.set( x, y );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.aX = source.aX;\n\t\tthis.aY = source.aY;\n\n\t\tthis.xRadius = source.xRadius;\n\t\tthis.yRadius = source.yRadius;\n\n\t\tthis.aStartAngle = source.aStartAngle;\n\t\tthis.aEndAngle = source.aEndAngle;\n\n\t\tthis.aClockwise = source.aClockwise;\n\n\t\tthis.aRotation = source.aRotation;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.aX = this.aX;\n\t\tdata.aY = this.aY;\n\n\t\tdata.xRadius = this.xRadius;\n\t\tdata.yRadius = this.yRadius;\n\n\t\tdata.aStartAngle = this.aStartAngle;\n\t\tdata.aEndAngle = this.aEndAngle;\n\n\t\tdata.aClockwise = this.aClockwise;\n\n\t\tdata.aRotation = this.aRotation;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.aX = json.aX;\n\t\tthis.aY = json.aY;\n\n\t\tthis.xRadius = json.xRadius;\n\t\tthis.yRadius = json.yRadius;\n\n\t\tthis.aStartAngle = json.aStartAngle;\n\t\tthis.aEndAngle = json.aEndAngle;\n\n\t\tthis.aClockwise = json.aClockwise;\n\n\t\tthis.aRotation = json.aRotation;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass ArcCurve extends EllipseCurve {\n\n\tconstructor( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tsuper( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\tthis.isArcCurve = true;\n\n\t\tthis.type = 'ArcCurve';\n\n\t}\n\n}\n\n/**\n * Centripetal CatmullRom Curve - which is useful for avoiding\n * cusps and self-intersections in non-uniform catmull rom curves.\n * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf\n *\n * curve.type accepts centripetal(default), chordal and catmullrom\n * curve.tension is used for catmullrom which defaults to 0.5\n */\n\n\n/*\nBased on an optimized c++ solution in\n - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/\n - http://ideone.com/NoEbVM\n\nThis CubicPoly class could be used for reusing some variables and calculations,\nbut for three.js curve use, it could be possible inlined and flatten into a single function call\nwhich can be placed in CurveUtils.\n*/\n\nfunction CubicPoly() {\n\n\tlet c0 = 0, c1 = 0, c2 = 0, c3 = 0;\n\n\t/*\n\t * Compute coefficients for a cubic polynomial\n\t * p(s) = c0 + c1*s + c2*s^2 + c3*s^3\n\t * such that\n\t * p(0) = x0, p(1) = x1\n\t * and\n\t * p'(0) = t0, p'(1) = t1.\n\t */\n\tfunction init( x0, x1, t0, t1 ) {\n\n\t\tc0 = x0;\n\t\tc1 = t0;\n\t\tc2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1;\n\t\tc3 = 2 * x0 - 2 * x1 + t0 + t1;\n\n\t}\n\n\treturn {\n\n\t\tinitCatmullRom: function ( x0, x1, x2, x3, tension ) {\n\n\t\t\tinit( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) );\n\n\t\t},\n\n\t\tinitNonuniformCatmullRom: function ( x0, x1, x2, x3, dt0, dt1, dt2 ) {\n\n\t\t\t// compute tangents when parameterized in [t1,t2]\n\t\t\tlet t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1;\n\t\t\tlet t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2;\n\n\t\t\t// rescale tangents for parametrization in [0,1]\n\t\t\tt1 *= dt1;\n\t\t\tt2 *= dt1;\n\n\t\t\tinit( x1, x2, t1, t2 );\n\n\t\t},\n\n\t\tcalc: function ( t ) {\n\n\t\t\tconst t2 = t * t;\n\t\t\tconst t3 = t2 * t;\n\t\t\treturn c0 + c1 * t + c2 * t2 + c3 * t3;\n\n\t\t}\n\n\t};\n\n}\n\n//\n\nconst tmp = /*@__PURE__*/ new Vector3();\nconst px = /*@__PURE__*/ new CubicPoly();\nconst py = /*@__PURE__*/ new CubicPoly();\nconst pz = /*@__PURE__*/ new CubicPoly();\n\nclass CatmullRomCurve3 extends Curve {\n\n\tconstructor( points = [], closed = false, curveType = 'centripetal', tension = 0.5 ) {\n\n\t\tsuper();\n\n\t\tthis.isCatmullRomCurve3 = true;\n\n\t\tthis.type = 'CatmullRomCurve3';\n\n\t\tthis.points = points;\n\t\tthis.closed = closed;\n\t\tthis.curveType = curveType;\n\t\tthis.tension = tension;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst points = this.points;\n\t\tconst l = points.length;\n\n\t\tconst p = ( l - ( this.closed ? 0 : 1 ) ) * t;\n\t\tlet intPoint = Math.floor( p );\n\t\tlet weight = p - intPoint;\n\n\t\tif ( this.closed ) {\n\n\t\t\tintPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / l ) + 1 ) * l;\n\n\t\t} else if ( weight === 0 && intPoint === l - 1 ) {\n\n\t\t\tintPoint = l - 2;\n\t\t\tweight = 1;\n\n\t\t}\n\n\t\tlet p0, p3; // 4 points (p1 & p2 defined below)\n\n\t\tif ( this.closed || intPoint > 0 ) {\n\n\t\t\tp0 = points[ ( intPoint - 1 ) % l ];\n\n\t\t} else {\n\n\t\t\t// extrapolate first point\n\t\t\ttmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] );\n\t\t\tp0 = tmp;\n\n\t\t}\n\n\t\tconst p1 = points[ intPoint % l ];\n\t\tconst p2 = points[ ( intPoint + 1 ) % l ];\n\n\t\tif ( this.closed || intPoint + 2 < l ) {\n\n\t\t\tp3 = points[ ( intPoint + 2 ) % l ];\n\n\t\t} else {\n\n\t\t\t// extrapolate last point\n\t\t\ttmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] );\n\t\t\tp3 = tmp;\n\n\t\t}\n\n\t\tif ( this.curveType === 'centripetal' || this.curveType === 'chordal' ) {\n\n\t\t\t// init Centripetal / Chordal Catmull-Rom\n\t\t\tconst pow = this.curveType === 'chordal' ? 0.5 : 0.25;\n\t\t\tlet dt0 = Math.pow( p0.distanceToSquared( p1 ), pow );\n\t\t\tlet dt1 = Math.pow( p1.distanceToSquared( p2 ), pow );\n\t\t\tlet dt2 = Math.pow( p2.distanceToSquared( p3 ), pow );\n\n\t\t\t// safety check for repeated points\n\t\t\tif ( dt1 < 1e-4 ) dt1 = 1.0;\n\t\t\tif ( dt0 < 1e-4 ) dt0 = dt1;\n\t\t\tif ( dt2 < 1e-4 ) dt2 = dt1;\n\n\t\t\tpx.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 );\n\t\t\tpy.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 );\n\t\t\tpz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 );\n\n\t\t} else if ( this.curveType === 'catmullrom' ) {\n\n\t\t\tpx.initCatmullRom( p0.x, p1.x, p2.x, p3.x, this.tension );\n\t\t\tpy.initCatmullRom( p0.y, p1.y, p2.y, p3.y, this.tension );\n\t\t\tpz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, this.tension );\n\n\t\t}\n\n\t\tpoint.set(\n\t\t\tpx.calc( weight ),\n\t\t\tpy.calc( weight ),\n\t\t\tpz.calc( weight )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = source.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = source.points[ i ];\n\n\t\t\tthis.points.push( point.clone() );\n\n\t\t}\n\n\t\tthis.closed = source.closed;\n\t\tthis.curveType = source.curveType;\n\t\tthis.tension = source.tension;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.points = [];\n\n\t\tfor ( let i = 0, l = this.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = this.points[ i ];\n\t\t\tdata.points.push( point.toArray() );\n\n\t\t}\n\n\t\tdata.closed = this.closed;\n\t\tdata.curveType = this.curveType;\n\t\tdata.tension = this.tension;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = json.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = json.points[ i ];\n\t\t\tthis.points.push( new Vector3().fromArray( point ) );\n\n\t\t}\n\n\t\tthis.closed = json.closed;\n\t\tthis.curveType = json.curveType;\n\t\tthis.tension = json.tension;\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * Bezier Curves formulas obtained from\n * https://en.wikipedia.org/wiki/B%C3%A9zier_curve\n */\n\nfunction CatmullRom( t, p0, p1, p2, p3 ) {\n\n\tconst v0 = ( p2 - p0 ) * 0.5;\n\tconst v1 = ( p3 - p1 ) * 0.5;\n\tconst t2 = t * t;\n\tconst t3 = t * t2;\n\treturn ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n}\n\n//\n\nfunction QuadraticBezierP0( t, p ) {\n\n\tconst k = 1 - t;\n\treturn k * k * p;\n\n}\n\nfunction QuadraticBezierP1( t, p ) {\n\n\treturn 2 * ( 1 - t ) * t * p;\n\n}\n\nfunction QuadraticBezierP2( t, p ) {\n\n\treturn t * t * p;\n\n}\n\nfunction QuadraticBezier( t, p0, p1, p2 ) {\n\n\treturn QuadraticBezierP0( t, p0 ) + QuadraticBezierP1( t, p1 ) +\n\t\tQuadraticBezierP2( t, p2 );\n\n}\n\n//\n\nfunction CubicBezierP0( t, p ) {\n\n\tconst k = 1 - t;\n\treturn k * k * k * p;\n\n}\n\nfunction CubicBezierP1( t, p ) {\n\n\tconst k = 1 - t;\n\treturn 3 * k * k * t * p;\n\n}\n\nfunction CubicBezierP2( t, p ) {\n\n\treturn 3 * ( 1 - t ) * t * t * p;\n\n}\n\nfunction CubicBezierP3( t, p ) {\n\n\treturn t * t * t * p;\n\n}\n\nfunction CubicBezier( t, p0, p1, p2, p3 ) {\n\n\treturn CubicBezierP0( t, p0 ) + CubicBezierP1( t, p1 ) + CubicBezierP2( t, p2 ) +\n\t\tCubicBezierP3( t, p3 );\n\n}\n\nclass CubicBezierCurve extends Curve {\n\n\tconstructor( v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2(), v3 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\tthis.isCubicBezierCurve = true;\n\n\t\tthis.type = 'CubicBezierCurve';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\t\tthis.v3 = v3;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3;\n\n\t\tpoint.set(\n\t\t\tCubicBezier( t, v0.x, v1.x, v2.x, v3.x ),\n\t\t\tCubicBezier( t, v0.y, v1.y, v2.y, v3.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\t\tthis.v3.copy( source.v3 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\t\tdata.v3 = this.v3.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\t\tthis.v3.fromArray( json.v3 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass CubicBezierCurve3 extends Curve {\n\n\tconstructor( v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3(), v3 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\tthis.isCubicBezierCurve3 = true;\n\n\t\tthis.type = 'CubicBezierCurve3';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\t\tthis.v3 = v3;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3;\n\n\t\tpoint.set(\n\t\t\tCubicBezier( t, v0.x, v1.x, v2.x, v3.x ),\n\t\t\tCubicBezier( t, v0.y, v1.y, v2.y, v3.y ),\n\t\t\tCubicBezier( t, v0.z, v1.z, v2.z, v3.z )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\t\tthis.v3.copy( source.v3 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\t\tdata.v3 = this.v3.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\t\tthis.v3.fromArray( json.v3 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass LineCurve extends Curve {\n\n\tconstructor( v1 = new Vector2(), v2 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\tthis.isLineCurve = true;\n\n\t\tthis.type = 'LineCurve';\n\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tif ( t === 1 ) {\n\n\t\t\tpoint.copy( this.v2 );\n\n\t\t} else {\n\n\t\t\tpoint.copy( this.v2 ).sub( this.v1 );\n\t\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\t}\n\n\t\treturn point;\n\n\t}\n\n\t// Line curve is linear, so we can overwrite default getPointAt\n\tgetPointAt( u, optionalTarget ) {\n\n\t\treturn this.getPoint( u, optionalTarget );\n\n\t}\n\n\tgetTangent( t, optionalTarget = new Vector2() ) {\n\n\t\treturn optionalTarget.subVectors( this.v2, this.v1 ).normalize();\n\n\t}\n\n\tgetTangentAt( u, optionalTarget ) {\n\n\t\treturn this.getTangent( u, optionalTarget );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass LineCurve3 extends Curve {\n\n\tconstructor( v1 = new Vector3(), v2 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\tthis.isLineCurve3 = true;\n\n\t\tthis.type = 'LineCurve3';\n\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tif ( t === 1 ) {\n\n\t\t\tpoint.copy( this.v2 );\n\n\t\t} else {\n\n\t\t\tpoint.copy( this.v2 ).sub( this.v1 );\n\t\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\t}\n\n\t\treturn point;\n\n\t}\n\n\t// Line curve is linear, so we can overwrite default getPointAt\n\tgetPointAt( u, optionalTarget ) {\n\n\t\treturn this.getPoint( u, optionalTarget );\n\n\t}\n\n\tgetTangent( t, optionalTarget = new Vector3() ) {\n\n\t\treturn optionalTarget.subVectors( this.v2, this.v1 ).normalize();\n\n\t}\n\n\tgetTangentAt( u, optionalTarget ) {\n\n\t\treturn this.getTangent( u, optionalTarget );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass QuadraticBezierCurve extends Curve {\n\n\tconstructor( v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\tthis.isQuadraticBezierCurve = true;\n\n\t\tthis.type = 'QuadraticBezierCurve';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2;\n\n\t\tpoint.set(\n\t\t\tQuadraticBezier( t, v0.x, v1.x, v2.x ),\n\t\t\tQuadraticBezier( t, v0.y, v1.y, v2.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass QuadraticBezierCurve3 extends Curve {\n\n\tconstructor( v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\tthis.isQuadraticBezierCurve3 = true;\n\n\t\tthis.type = 'QuadraticBezierCurve3';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2;\n\n\t\tpoint.set(\n\t\t\tQuadraticBezier( t, v0.x, v1.x, v2.x ),\n\t\t\tQuadraticBezier( t, v0.y, v1.y, v2.y ),\n\t\t\tQuadraticBezier( t, v0.z, v1.z, v2.z )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass SplineCurve extends Curve {\n\n\tconstructor( points = [] ) {\n\n\t\tsuper();\n\n\t\tthis.isSplineCurve = true;\n\n\t\tthis.type = 'SplineCurve';\n\n\t\tthis.points = points;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst points = this.points;\n\t\tconst p = ( points.length - 1 ) * t;\n\n\t\tconst intPoint = Math.floor( p );\n\t\tconst weight = p - intPoint;\n\n\t\tconst p0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ];\n\t\tconst p1 = points[ intPoint ];\n\t\tconst p2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\tconst p3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\tpoint.set(\n\t\t\tCatmullRom( weight, p0.x, p1.x, p2.x, p3.x ),\n\t\t\tCatmullRom( weight, p0.y, p1.y, p2.y, p3.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = source.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = source.points[ i ];\n\n\t\t\tthis.points.push( point.clone() );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.points = [];\n\n\t\tfor ( let i = 0, l = this.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = this.points[ i ];\n\t\t\tdata.points.push( point.toArray() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = json.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = json.points[ i ];\n\t\t\tthis.points.push( new Vector2().fromArray( point ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nvar Curves = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tArcCurve: ArcCurve,\n\tCatmullRomCurve3: CatmullRomCurve3,\n\tCubicBezierCurve: CubicBezierCurve,\n\tCubicBezierCurve3: CubicBezierCurve3,\n\tEllipseCurve: EllipseCurve,\n\tLineCurve: LineCurve,\n\tLineCurve3: LineCurve3,\n\tQuadraticBezierCurve: QuadraticBezierCurve,\n\tQuadraticBezierCurve3: QuadraticBezierCurve3,\n\tSplineCurve: SplineCurve\n});\n\n/**************************************************************\n *\tCurved Path - a curve path is simply a array of connected\n * curves, but retains the api of a curve\n **************************************************************/\n\nclass CurvePath extends Curve {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'CurvePath';\n\n\t\tthis.curves = [];\n\t\tthis.autoClose = false; // Automatically closes the path\n\n\t}\n\n\tadd( curve ) {\n\n\t\tthis.curves.push( curve );\n\n\t}\n\n\tclosePath() {\n\n\t\t// Add a line curve if start and end of lines are not connected\n\t\tconst startPoint = this.curves[ 0 ].getPoint( 0 );\n\t\tconst endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 );\n\n\t\tif ( ! startPoint.equals( endPoint ) ) {\n\n\t\t\tconst lineType = ( startPoint.isVector2 === true ) ? 'LineCurve' : 'LineCurve3';\n\t\t\tthis.curves.push( new Curves[ lineType ]( endPoint, startPoint ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// To get accurate point with reference to\n\t// entire path distance at time t,\n\t// following has to be done:\n\n\t// 1. Length of each sub path have to be known\n\t// 2. Locate and identify type of curve\n\t// 3. Get t for the curve\n\t// 4. Return curve.getPointAt(t')\n\n\tgetPoint( t, optionalTarget ) {\n\n\t\tconst d = t * this.getLength();\n\t\tconst curveLengths = this.getCurveLengths();\n\t\tlet i = 0;\n\n\t\t// To think about boundaries points.\n\n\t\twhile ( i < curveLengths.length ) {\n\n\t\t\tif ( curveLengths[ i ] >= d ) {\n\n\t\t\t\tconst diff = curveLengths[ i ] - d;\n\t\t\t\tconst curve = this.curves[ i ];\n\n\t\t\t\tconst segmentLength = curve.getLength();\n\t\t\t\tconst u = segmentLength === 0 ? 0 : 1 - diff / segmentLength;\n\n\t\t\t\treturn curve.getPointAt( u, optionalTarget );\n\n\t\t\t}\n\n\t\t\ti ++;\n\n\t\t}\n\n\t\treturn null;\n\n\t\t// loop where sum != 0, sum > d , sum+1 1 && ! points[ points.length - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\tpoints.push( points[ 0 ] );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.curves = [];\n\n\t\tfor ( let i = 0, l = source.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = source.curves[ i ];\n\n\t\t\tthis.curves.push( curve.clone() );\n\n\t\t}\n\n\t\tthis.autoClose = source.autoClose;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.autoClose = this.autoClose;\n\t\tdata.curves = [];\n\n\t\tfor ( let i = 0, l = this.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = this.curves[ i ];\n\t\t\tdata.curves.push( curve.toJSON() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.autoClose = json.autoClose;\n\t\tthis.curves = [];\n\n\t\tfor ( let i = 0, l = json.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = json.curves[ i ];\n\t\t\tthis.curves.push( new Curves[ curve.type ]().fromJSON( curve ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass Path extends CurvePath {\n\n\tconstructor( points ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Path';\n\n\t\tthis.currentPoint = new Vector2();\n\n\t\tif ( points ) {\n\n\t\t\tthis.setFromPoints( points );\n\n\t\t}\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tthis.moveTo( points[ 0 ].x, points[ 0 ].y );\n\n\t\tfor ( let i = 1, l = points.length; i < l; i ++ ) {\n\n\t\t\tthis.lineTo( points[ i ].x, points[ i ].y );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tmoveTo( x, y ) {\n\n\t\tthis.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying?\n\n\t\treturn this;\n\n\t}\n\n\tlineTo( x, y ) {\n\n\t\tconst curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) );\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( x, y );\n\n\t\treturn this;\n\n\t}\n\n\tquadraticCurveTo( aCPx, aCPy, aX, aY ) {\n\n\t\tconst curve = new QuadraticBezierCurve(\n\t\t\tthis.currentPoint.clone(),\n\t\t\tnew Vector2( aCPx, aCPy ),\n\t\t\tnew Vector2( aX, aY )\n\t\t);\n\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tbezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\tconst curve = new CubicBezierCurve(\n\t\t\tthis.currentPoint.clone(),\n\t\t\tnew Vector2( aCP1x, aCP1y ),\n\t\t\tnew Vector2( aCP2x, aCP2y ),\n\t\t\tnew Vector2( aX, aY )\n\t\t);\n\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tsplineThru( pts /*Array of Vector*/ ) {\n\n\t\tconst npts = [ this.currentPoint.clone() ].concat( pts );\n\n\t\tconst curve = new SplineCurve( npts );\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.copy( pts[ pts.length - 1 ] );\n\n\t\treturn this;\n\n\t}\n\n\tarc( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tconst x0 = this.currentPoint.x;\n\t\tconst y0 = this.currentPoint.y;\n\n\t\tthis.absarc( aX + x0, aY + y0, aRadius,\n\t\t\taStartAngle, aEndAngle, aClockwise );\n\n\t\treturn this;\n\n\t}\n\n\tabsarc( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tthis.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\treturn this;\n\n\t}\n\n\tellipse( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tconst x0 = this.currentPoint.x;\n\t\tconst y0 = this.currentPoint.y;\n\n\t\tthis.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\treturn this;\n\n\t}\n\n\tabsellipse( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tconst curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\tif ( this.curves.length > 0 ) {\n\n\t\t\t// if a previous curve is present, attempt to join\n\t\t\tconst firstPoint = curve.getPoint( 0 );\n\n\t\t\tif ( ! firstPoint.equals( this.currentPoint ) ) {\n\n\t\t\t\tthis.lineTo( firstPoint.x, firstPoint.y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.curves.push( curve );\n\n\t\tconst lastPoint = curve.getPoint( 1 );\n\t\tthis.currentPoint.copy( lastPoint );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.currentPoint.copy( source.currentPoint );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.currentPoint = this.currentPoint.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.currentPoint.fromArray( json.currentPoint );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass LatheGeometry extends BufferGeometry {\n\n\tconstructor( points = [ new Vector2( 0, - 0.5 ), new Vector2( 0.5, 0 ), new Vector2( 0, 0.5 ) ], segments = 12, phiStart = 0, phiLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LatheGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tsegments = Math.floor( segments );\n\n\t\t// clamp phiLength so it's in range of [ 0, 2PI ]\n\n\t\tphiLength = clamp( phiLength, 0, Math.PI * 2 );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst uvs = [];\n\t\tconst initNormals = [];\n\t\tconst normals = [];\n\n\t\t// helper variables\n\n\t\tconst inverseSegments = 1.0 / segments;\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\t\tconst normal = new Vector3();\n\t\tconst curNormal = new Vector3();\n\t\tconst prevNormal = new Vector3();\n\t\tlet dx = 0;\n\t\tlet dy = 0;\n\n\t\t// pre-compute normals for initial \"meridian\"\n\n\t\tfor ( let j = 0; j <= ( points.length - 1 ); j ++ ) {\n\n\t\t\tswitch ( j ) {\n\n\t\t\t\tcase 0:\t\t\t\t// special handling for 1st vertex on path\n\n\t\t\t\t\tdx = points[ j + 1 ].x - points[ j ].x;\n\t\t\t\t\tdy = points[ j + 1 ].y - points[ j ].y;\n\n\t\t\t\t\tnormal.x = dy * 1.0;\n\t\t\t\t\tnormal.y = - dx;\n\t\t\t\t\tnormal.z = dy * 0.0;\n\n\t\t\t\t\tprevNormal.copy( normal );\n\n\t\t\t\t\tnormal.normalize();\n\n\t\t\t\t\tinitNormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase ( points.length - 1 ):\t// special handling for last Vertex on path\n\n\t\t\t\t\tinitNormals.push( prevNormal.x, prevNormal.y, prevNormal.z );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\t\t\t// default handling for all vertices in between\n\n\t\t\t\t\tdx = points[ j + 1 ].x - points[ j ].x;\n\t\t\t\t\tdy = points[ j + 1 ].y - points[ j ].y;\n\n\t\t\t\t\tnormal.x = dy * 1.0;\n\t\t\t\t\tnormal.y = - dx;\n\t\t\t\t\tnormal.z = dy * 0.0;\n\n\t\t\t\t\tcurNormal.copy( normal );\n\n\t\t\t\t\tnormal.x += prevNormal.x;\n\t\t\t\t\tnormal.y += prevNormal.y;\n\t\t\t\t\tnormal.z += prevNormal.z;\n\n\t\t\t\t\tnormal.normalize();\n\n\t\t\t\t\tinitNormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t\tprevNormal.copy( curNormal );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate vertices, uvs and normals\n\n\t\tfor ( let i = 0; i <= segments; i ++ ) {\n\n\t\t\tconst phi = phiStart + i * inverseSegments * phiLength;\n\n\t\t\tconst sin = Math.sin( phi );\n\t\t\tconst cos = Math.cos( phi );\n\n\t\t\tfor ( let j = 0; j <= ( points.length - 1 ); j ++ ) {\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = points[ j ].x * sin;\n\t\t\t\tvertex.y = points[ j ].y;\n\t\t\t\tvertex.z = points[ j ].x * cos;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = i / segments;\n\t\t\t\tuv.y = j / ( points.length - 1 );\n\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t// normal\n\n\t\t\t\tconst x = initNormals[ 3 * j + 0 ] * sin;\n\t\t\t\tconst y = initNormals[ 3 * j + 1 ];\n\t\t\t\tconst z = initNormals[ 3 * j + 0 ] * cos;\n\n\t\t\t\tnormals.push( x, y, z );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let i = 0; i < segments; i ++ ) {\n\n\t\t\tfor ( let j = 0; j < ( points.length - 1 ); j ++ ) {\n\n\t\t\t\tconst base = j + i * points.length;\n\n\t\t\t\tconst a = base;\n\t\t\t\tconst b = base + points.length;\n\t\t\t\tconst c = base + points.length + 1;\n\t\t\t\tconst d = base + 1;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( c, d, b );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new LatheGeometry( data.points, data.segments, data.phiStart, data.phiLength );\n\n\t}\n\n}\n\nclass CapsuleGeometry extends LatheGeometry {\n\n\tconstructor( radius = 1, length = 1, capSegments = 4, radialSegments = 8 ) {\n\n\t\tconst path = new Path();\n\t\tpath.absarc( 0, - length / 2, radius, Math.PI * 1.5, 0 );\n\t\tpath.absarc( 0, length / 2, radius, 0, Math.PI * 0.5 );\n\n\t\tsuper( path.getPoints( capSegments ), radialSegments );\n\n\t\tthis.type = 'CapsuleGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tlength: length,\n\t\t\tcapSegments: capSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new CapsuleGeometry( data.radius, data.length, data.capSegments, data.radialSegments );\n\n\t}\n\n}\n\nclass CircleGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, segments = 32, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CircleGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tsegments = Math.max( 3, segments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\n\t\t// center point\n\n\t\tvertices.push( 0, 0, 0 );\n\t\tnormals.push( 0, 0, 1 );\n\t\tuvs.push( 0.5, 0.5 );\n\n\t\tfor ( let s = 0, i = 3; s <= segments; s ++, i += 3 ) {\n\n\t\t\tconst segment = thetaStart + s / segments * thetaLength;\n\n\t\t\t// vertex\n\n\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\tvertex.y = radius * Math.sin( segment );\n\n\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t// normal\n\n\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t// uvs\n\n\t\t\tuv.x = ( vertices[ i ] / radius + 1 ) / 2;\n\t\t\tuv.y = ( vertices[ i + 1 ] / radius + 1 ) / 2;\n\n\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\tindices.push( i, i + 1, 0 );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new CircleGeometry( data.radius, data.segments, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass CylinderGeometry extends BufferGeometry {\n\n\tconstructor( radiusTop = 1, radiusBottom = 1, height = 1, radialSegments = 32, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CylinderGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tconst scope = this;\n\n\t\tradialSegments = Math.floor( radialSegments );\n\t\theightSegments = Math.floor( heightSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet index = 0;\n\t\tconst indexArray = [];\n\t\tconst halfHeight = height / 2;\n\t\tlet groupStart = 0;\n\n\t\t// generate geometry\n\n\t\tgenerateTorso();\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) generateCap( true );\n\t\t\tif ( radiusBottom > 0 ) generateCap( false );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\tfunction generateTorso() {\n\n\t\t\tconst normal = new Vector3();\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tlet groupCount = 0;\n\n\t\t\t// this will be used to calculate the normal\n\t\t\tconst slope = ( radiusBottom - radiusTop ) / height;\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( let y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\t\tconst indexRow = [];\n\n\t\t\t\tconst v = y / heightSegments;\n\n\t\t\t\t// calculate the radius of the current row\n\n\t\t\t\tconst radius = v * ( radiusBottom - radiusTop ) + radiusTop;\n\n\t\t\t\tfor ( let x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\t\tconst u = x / radialSegments;\n\n\t\t\t\t\tconst theta = u * thetaLength + thetaStart;\n\n\t\t\t\t\tconst sinTheta = Math.sin( theta );\n\t\t\t\t\tconst cosTheta = Math.cos( theta );\n\n\t\t\t\t\t// vertex\n\n\t\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\t\tvertex.y = - v * height + halfHeight;\n\t\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t\t// normal\n\n\t\t\t\t\tnormal.set( sinTheta, slope, cosTheta ).normalize();\n\t\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t\t// uv\n\n\t\t\t\t\tuvs.push( u, 1 - v );\n\n\t\t\t\t\t// save index of vertex in respective row\n\n\t\t\t\t\tindexRow.push( index ++ );\n\n\t\t\t\t}\n\n\t\t\t\t// now save vertices of the row in our index array\n\n\t\t\t\tindexArray.push( indexRow );\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( let x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tfor ( let y = 0; y < heightSegments; y ++ ) {\n\n\t\t\t\t\t// we use the index array to access the correct indices\n\n\t\t\t\t\tconst a = indexArray[ y ][ x ];\n\t\t\t\t\tconst b = indexArray[ y + 1 ][ x ];\n\t\t\t\t\tconst c = indexArray[ y + 1 ][ x + 1 ];\n\t\t\t\t\tconst d = indexArray[ y ][ x + 1 ];\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tif ( radiusTop > 0 || y !== 0 ) {\n\n\t\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\t\tgroupCount += 3;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( radiusBottom > 0 || y !== heightSegments - 1 ) {\n\n\t\t\t\t\t\tindices.push( b, c, d );\n\t\t\t\t\t\tgroupCount += 3;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, 0 );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t\tfunction generateCap( top ) {\n\n\t\t\t// save the index of the first center vertex\n\t\t\tconst centerIndexStart = index;\n\n\t\t\tconst uv = new Vector2();\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tlet groupCount = 0;\n\n\t\t\tconst radius = ( top === true ) ? radiusTop : radiusBottom;\n\t\t\tconst sign = ( top === true ) ? 1 : - 1;\n\n\t\t\t// first we generate the center vertex data of the cap.\n\t\t\t// because the geometry needs one set of uvs per face,\n\t\t\t// we must generate a center vertex per face/segment\n\n\t\t\tfor ( let x = 1; x <= radialSegments; x ++ ) {\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertices.push( 0, halfHeight * sign, 0 );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, sign, 0 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( 0.5, 0.5 );\n\n\t\t\t\t// increase index\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// save the index of the last center vertex\n\t\t\tconst centerIndexEnd = index;\n\n\t\t\t// now we generate the surrounding vertices, normals and uvs\n\n\t\t\tfor ( let x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\tconst u = x / radialSegments;\n\t\t\t\tconst theta = u * thetaLength + thetaStart;\n\n\t\t\t\tconst cosTheta = Math.cos( theta );\n\t\t\t\tconst sinTheta = Math.sin( theta );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\tvertex.y = halfHeight * sign;\n\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, sign, 0 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = ( cosTheta * 0.5 ) + 0.5;\n\t\t\t\tuv.y = ( sinTheta * 0.5 * sign ) + 0.5;\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t// increase index\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( let x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tconst c = centerIndexStart + x;\n\t\t\t\tconst i = centerIndexEnd + x;\n\n\t\t\t\tif ( top === true ) {\n\n\t\t\t\t\t// face top\n\n\t\t\t\t\tindices.push( i, i + 1, c );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// face bottom\n\n\t\t\t\t\tindices.push( i + 1, i, c );\n\n\t\t\t\t}\n\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, top === true ? 1 : 2 );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new CylinderGeometry( data.radiusTop, data.radiusBottom, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass ConeGeometry extends CylinderGeometry {\n\n\tconstructor( radius = 1, height = 1, radialSegments = 32, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper( 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new ConeGeometry( data.radius, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass PolyhedronGeometry extends BufferGeometry {\n\n\tconstructor( vertices = [], indices = [], radius = 1, detail = 0 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'PolyhedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\t// default buffer data\n\n\t\tconst vertexBuffer = [];\n\t\tconst uvBuffer = [];\n\n\t\t// the subdivision creates the vertex buffer data\n\n\t\tsubdivide( detail );\n\n\t\t// all vertices should lie on a conceptual sphere with a given radius\n\n\t\tapplyRadius( radius );\n\n\t\t// finally, create the uv data\n\n\t\tgenerateUVs();\n\n\t\t// build non-indexed geometry\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertexBuffer, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( vertexBuffer.slice(), 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvBuffer, 2 ) );\n\n\t\tif ( detail === 0 ) {\n\n\t\t\tthis.computeVertexNormals(); // flat normals\n\n\t\t} else {\n\n\t\t\tthis.normalizeNormals(); // smooth normals\n\n\t\t}\n\n\t\t// helper functions\n\n\t\tfunction subdivide( detail ) {\n\n\t\t\tconst a = new Vector3();\n\t\t\tconst b = new Vector3();\n\t\t\tconst c = new Vector3();\n\n\t\t\t// iterate over all faces and apply a subdivision with the given detail value\n\n\t\t\tfor ( let i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t// get the vertices of the face\n\n\t\t\t\tgetVertexByIndex( indices[ i + 0 ], a );\n\t\t\t\tgetVertexByIndex( indices[ i + 1 ], b );\n\t\t\t\tgetVertexByIndex( indices[ i + 2 ], c );\n\n\t\t\t\t// perform subdivision\n\n\t\t\t\tsubdivideFace( a, b, c, detail );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction subdivideFace( a, b, c, detail ) {\n\n\t\t\tconst cols = detail + 1;\n\n\t\t\t// we use this multidimensional array as a data structure for creating the subdivision\n\n\t\t\tconst v = [];\n\n\t\t\t// construct all of the vertices for this subdivision\n\n\t\t\tfor ( let i = 0; i <= cols; i ++ ) {\n\n\t\t\t\tv[ i ] = [];\n\n\t\t\t\tconst aj = a.clone().lerp( c, i / cols );\n\t\t\t\tconst bj = b.clone().lerp( c, i / cols );\n\n\t\t\t\tconst rows = cols - i;\n\n\t\t\t\tfor ( let j = 0; j <= rows; j ++ ) {\n\n\t\t\t\t\tif ( j === 0 && i === cols ) {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj.clone().lerp( bj, j / rows );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// construct all of the faces\n\n\t\t\tfor ( let i = 0; i < cols; i ++ ) {\n\n\t\t\t\tfor ( let j = 0; j < 2 * ( cols - i ) - 1; j ++ ) {\n\n\t\t\t\t\tconst k = Math.floor( j / 2 );\n\n\t\t\t\t\tif ( j % 2 === 0 ) {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\t\t\t\t\t\tpushVertex( v[ i ][ k ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction applyRadius( radius ) {\n\n\t\t\tconst vertex = new Vector3();\n\n\t\t\t// iterate over the entire buffer and apply the radius to each vertex\n\n\t\t\tfor ( let i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvertex.normalize().multiplyScalar( radius );\n\n\t\t\t\tvertexBuffer[ i + 0 ] = vertex.x;\n\t\t\t\tvertexBuffer[ i + 1 ] = vertex.y;\n\t\t\t\tvertexBuffer[ i + 2 ] = vertex.z;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tfor ( let i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tconst u = azimuth( vertex ) / 2 / Math.PI + 0.5;\n\t\t\t\tconst v = inclination( vertex ) / Math.PI + 0.5;\n\t\t\t\tuvBuffer.push( u, 1 - v );\n\n\t\t\t}\n\n\t\t\tcorrectUVs();\n\n\t\t\tcorrectSeam();\n\n\t\t}\n\n\t\tfunction correctSeam() {\n\n\t\t\t// handle case when face straddles the seam, see #3269\n\n\t\t\tfor ( let i = 0; i < uvBuffer.length; i += 6 ) {\n\n\t\t\t\t// uv data of a single face\n\n\t\t\t\tconst x0 = uvBuffer[ i + 0 ];\n\t\t\t\tconst x1 = uvBuffer[ i + 2 ];\n\t\t\t\tconst x2 = uvBuffer[ i + 4 ];\n\n\t\t\t\tconst max = Math.max( x0, x1, x2 );\n\t\t\t\tconst min = Math.min( x0, x1, x2 );\n\n\t\t\t\t// 0.9 is somewhat arbitrary\n\n\t\t\t\tif ( max > 0.9 && min < 0.1 ) {\n\n\t\t\t\t\tif ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1;\n\t\t\t\t\tif ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1;\n\t\t\t\t\tif ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction pushVertex( vertex ) {\n\n\t\t\tvertexBuffer.push( vertex.x, vertex.y, vertex.z );\n\n\t\t}\n\n\t\tfunction getVertexByIndex( index, vertex ) {\n\n\t\t\tconst stride = index * 3;\n\n\t\t\tvertex.x = vertices[ stride + 0 ];\n\t\t\tvertex.y = vertices[ stride + 1 ];\n\t\t\tvertex.z = vertices[ stride + 2 ];\n\n\t\t}\n\n\t\tfunction correctUVs() {\n\n\t\t\tconst a = new Vector3();\n\t\t\tconst b = new Vector3();\n\t\t\tconst c = new Vector3();\n\n\t\t\tconst centroid = new Vector3();\n\n\t\t\tconst uvA = new Vector2();\n\t\t\tconst uvB = new Vector2();\n\t\t\tconst uvC = new Vector2();\n\n\t\t\tfor ( let i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) {\n\n\t\t\t\ta.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] );\n\t\t\t\tb.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] );\n\t\t\t\tc.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] );\n\n\t\t\t\tuvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] );\n\t\t\t\tuvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] );\n\t\t\t\tuvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] );\n\n\t\t\t\tcentroid.copy( a ).add( b ).add( c ).divideScalar( 3 );\n\n\t\t\t\tconst azi = azimuth( centroid );\n\n\t\t\t\tcorrectUV( uvA, j + 0, a, azi );\n\t\t\t\tcorrectUV( uvB, j + 2, b, azi );\n\t\t\t\tcorrectUV( uvC, j + 4, c, azi );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction correctUV( uv, stride, vector, azimuth ) {\n\n\t\t\tif ( ( azimuth < 0 ) && ( uv.x === 1 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = uv.x - 1;\n\n\t\t\t}\n\n\t\t\tif ( ( vector.x === 0 ) && ( vector.z === 0 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Angle around the Y axis, counter-clockwise when looking from above.\n\n\t\tfunction azimuth( vector ) {\n\n\t\t\treturn Math.atan2( vector.z, - vector.x );\n\n\t\t}\n\n\n\t\t// Angle above the XZ plane.\n\n\t\tfunction inclination( vector ) {\n\n\t\t\treturn Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) );\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new PolyhedronGeometry( data.vertices, data.indices, data.radius, data.details );\n\n\t}\n\n}\n\nclass DodecahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\t\tconst r = 1 / t;\n\n\t\tconst vertices = [\n\n\t\t\t// (\u00B11, \u00B11, \u00B11)\n\t\t\t- 1, - 1, - 1,\t- 1, - 1, 1,\n\t\t\t- 1, 1, - 1, - 1, 1, 1,\n\t\t\t1, - 1, - 1, 1, - 1, 1,\n\t\t\t1, 1, - 1, 1, 1, 1,\n\n\t\t\t// (0, \u00B11/\u03C6, \u00B1\u03C6)\n\t\t\t0, - r, - t, 0, - r, t,\n\t\t\t0, r, - t, 0, r, t,\n\n\t\t\t// (\u00B11/\u03C6, \u00B1\u03C6, 0)\n\t\t\t- r, - t, 0, - r, t, 0,\n\t\t\tr, - t, 0, r, t, 0,\n\n\t\t\t// (\u00B1\u03C6, 0, \u00B11/\u03C6)\n\t\t\t- t, 0, - r, t, 0, - r,\n\t\t\t- t, 0, r, t, 0, r\n\t\t];\n\n\t\tconst indices = [\n\t\t\t3, 11, 7, \t3, 7, 15, \t3, 15, 13,\n\t\t\t7, 19, 17, \t7, 17, 6, \t7, 6, 15,\n\t\t\t17, 4, 8, \t17, 8, 10, \t17, 10, 6,\n\t\t\t8, 0, 16, \t8, 16, 2, \t8, 2, 10,\n\t\t\t0, 12, 1, \t0, 1, 18, \t0, 18, 16,\n\t\t\t6, 10, 2, \t6, 2, 13, \t6, 13, 15,\n\t\t\t2, 16, 18, \t2, 18, 3, \t2, 3, 13,\n\t\t\t18, 1, 9, \t18, 9, 11, \t18, 11, 3,\n\t\t\t4, 14, 12, \t4, 12, 0, \t4, 0, 8,\n\t\t\t11, 9, 5, \t11, 5, 19, \t11, 19, 7,\n\t\t\t19, 5, 14, \t19, 14, 4, \t19, 4, 17,\n\t\t\t1, 12, 14, \t1, 14, 5, \t1, 5, 9\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'DodecahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new DodecahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nconst _v0 = /*@__PURE__*/ new Vector3();\nconst _v1$1 = /*@__PURE__*/ new Vector3();\nconst _normal = /*@__PURE__*/ new Vector3();\nconst _triangle = /*@__PURE__*/ new Triangle();\n\nclass EdgesGeometry extends BufferGeometry {\n\n\tconstructor( geometry = null, thresholdAngle = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'EdgesGeometry';\n\n\t\tthis.parameters = {\n\t\t\tgeometry: geometry,\n\t\t\tthresholdAngle: thresholdAngle\n\t\t};\n\n\t\tif ( geometry !== null ) {\n\n\t\t\tconst precisionPoints = 4;\n\t\t\tconst precision = Math.pow( 10, precisionPoints );\n\t\t\tconst thresholdDot = Math.cos( DEG2RAD * thresholdAngle );\n\n\t\t\tconst indexAttr = geometry.getIndex();\n\t\t\tconst positionAttr = geometry.getAttribute( 'position' );\n\t\t\tconst indexCount = indexAttr ? indexAttr.count : positionAttr.count;\n\n\t\t\tconst indexArr = [ 0, 0, 0 ];\n\t\t\tconst vertKeys = [ 'a', 'b', 'c' ];\n\t\t\tconst hashes = new Array( 3 );\n\n\t\t\tconst edgeData = {};\n\t\t\tconst vertices = [];\n\t\t\tfor ( let i = 0; i < indexCount; i += 3 ) {\n\n\t\t\t\tif ( indexAttr ) {\n\n\t\t\t\t\tindexArr[ 0 ] = indexAttr.getX( i );\n\t\t\t\t\tindexArr[ 1 ] = indexAttr.getX( i + 1 );\n\t\t\t\t\tindexArr[ 2 ] = indexAttr.getX( i + 2 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tindexArr[ 0 ] = i;\n\t\t\t\t\tindexArr[ 1 ] = i + 1;\n\t\t\t\t\tindexArr[ 2 ] = i + 2;\n\n\t\t\t\t}\n\n\t\t\t\tconst { a, b, c } = _triangle;\n\t\t\t\ta.fromBufferAttribute( positionAttr, indexArr[ 0 ] );\n\t\t\t\tb.fromBufferAttribute( positionAttr, indexArr[ 1 ] );\n\t\t\t\tc.fromBufferAttribute( positionAttr, indexArr[ 2 ] );\n\t\t\t\t_triangle.getNormal( _normal );\n\n\t\t\t\t// create hashes for the edge from the vertices\n\t\t\t\thashes[ 0 ] = `${ Math.round( a.x * precision ) },${ Math.round( a.y * precision ) },${ Math.round( a.z * precision ) }`;\n\t\t\t\thashes[ 1 ] = `${ Math.round( b.x * precision ) },${ Math.round( b.y * precision ) },${ Math.round( b.z * precision ) }`;\n\t\t\t\thashes[ 2 ] = `${ Math.round( c.x * precision ) },${ Math.round( c.y * precision ) },${ Math.round( c.z * precision ) }`;\n\n\t\t\t\t// skip degenerate triangles\n\t\t\t\tif ( hashes[ 0 ] === hashes[ 1 ] || hashes[ 1 ] === hashes[ 2 ] || hashes[ 2 ] === hashes[ 0 ] ) {\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\t// iterate over every edge\n\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t// get the first and next vertex making up the edge\n\t\t\t\t\tconst jNext = ( j + 1 ) % 3;\n\t\t\t\t\tconst vecHash0 = hashes[ j ];\n\t\t\t\t\tconst vecHash1 = hashes[ jNext ];\n\t\t\t\t\tconst v0 = _triangle[ vertKeys[ j ] ];\n\t\t\t\t\tconst v1 = _triangle[ vertKeys[ jNext ] ];\n\n\t\t\t\t\tconst hash = `${ vecHash0 }_${ vecHash1 }`;\n\t\t\t\t\tconst reverseHash = `${ vecHash1 }_${ vecHash0 }`;\n\n\t\t\t\t\tif ( reverseHash in edgeData && edgeData[ reverseHash ] ) {\n\n\t\t\t\t\t\t// if we found a sibling edge add it into the vertex array if\n\t\t\t\t\t\t// it meets the angle threshold and delete the edge from the map.\n\t\t\t\t\t\tif ( _normal.dot( edgeData[ reverseHash ].normal ) <= thresholdDot ) {\n\n\t\t\t\t\t\t\tvertices.push( v0.x, v0.y, v0.z );\n\t\t\t\t\t\t\tvertices.push( v1.x, v1.y, v1.z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tedgeData[ reverseHash ] = null;\n\n\t\t\t\t\t} else if ( ! ( hash in edgeData ) ) {\n\n\t\t\t\t\t\t// if we've already got an edge here then skip adding a new one\n\t\t\t\t\t\tedgeData[ hash ] = {\n\n\t\t\t\t\t\t\tindex0: indexArr[ j ],\n\t\t\t\t\t\t\tindex1: indexArr[ jNext ],\n\t\t\t\t\t\t\tnormal: _normal.clone(),\n\n\t\t\t\t\t\t};\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// iterate over all remaining, unmatched edges and add them to the vertex array\n\t\t\tfor ( const key in edgeData ) {\n\n\t\t\t\tif ( edgeData[ key ] ) {\n\n\t\t\t\t\tconst { index0, index1 } = edgeData[ key ];\n\t\t\t\t\t_v0.fromBufferAttribute( positionAttr, index0 );\n\t\t\t\t\t_v1$1.fromBufferAttribute( positionAttr, index1 );\n\n\t\t\t\t\tvertices.push( _v0.x, _v0.y, _v0.z );\n\t\t\t\t\tvertices.push( _v1$1.x, _v1$1.y, _v1$1.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass Shape extends Path {\n\n\tconstructor( points ) {\n\n\t\tsuper( points );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.type = 'Shape';\n\n\t\tthis.holes = [];\n\n\t}\n\n\tgetPointsHoles( divisions ) {\n\n\t\tconst holesPts = [];\n\n\t\tfor ( let i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\tholesPts[ i ] = this.holes[ i ].getPoints( divisions );\n\n\t\t}\n\n\t\treturn holesPts;\n\n\t}\n\n\t// get points of shape and holes (keypoints based on segments parameter)\n\n\textractPoints( divisions ) {\n\n\t\treturn {\n\n\t\t\tshape: this.getPoints( divisions ),\n\t\t\tholes: this.getPointsHoles( divisions )\n\n\t\t};\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.holes = [];\n\n\t\tfor ( let i = 0, l = source.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = source.holes[ i ];\n\n\t\t\tthis.holes.push( hole.clone() );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.uuid = this.uuid;\n\t\tdata.holes = [];\n\n\t\tfor ( let i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = this.holes[ i ];\n\t\t\tdata.holes.push( hole.toJSON() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.uuid = json.uuid;\n\t\tthis.holes = [];\n\n\t\tfor ( let i = 0, l = json.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = json.holes[ i ];\n\t\t\tthis.holes.push( new Path().fromJSON( hole ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * Port from https://github.com/mapbox/earcut (v2.2.4)\n */\n\nconst Earcut = {\n\n\ttriangulate: function ( data, holeIndices, dim = 2 ) {\n\n\t\tconst hasHoles = holeIndices && holeIndices.length;\n\t\tconst outerLen = hasHoles ? holeIndices[ 0 ] * dim : data.length;\n\t\tlet outerNode = linkedList( data, 0, outerLen, dim, true );\n\t\tconst triangles = [];\n\n\t\tif ( ! outerNode || outerNode.next === outerNode.prev ) return triangles;\n\n\t\tlet minX, minY, maxX, maxY, x, y, invSize;\n\n\t\tif ( hasHoles ) outerNode = eliminateHoles( data, holeIndices, outerNode, dim );\n\n\t\t// if the shape is not too simple, we'll use z-order curve hash later; calculate polygon bbox\n\t\tif ( data.length > 80 * dim ) {\n\n\t\t\tminX = maxX = data[ 0 ];\n\t\t\tminY = maxY = data[ 1 ];\n\n\t\t\tfor ( let i = dim; i < outerLen; i += dim ) {\n\n\t\t\t\tx = data[ i ];\n\t\t\t\ty = data[ i + 1 ];\n\t\t\t\tif ( x < minX ) minX = x;\n\t\t\t\tif ( y < minY ) minY = y;\n\t\t\t\tif ( x > maxX ) maxX = x;\n\t\t\t\tif ( y > maxY ) maxY = y;\n\n\t\t\t}\n\n\t\t\t// minX, minY and invSize are later used to transform coords into integers for z-order calculation\n\t\t\tinvSize = Math.max( maxX - minX, maxY - minY );\n\t\t\tinvSize = invSize !== 0 ? 32767 / invSize : 0;\n\n\t\t}\n\n\t\tearcutLinked( outerNode, triangles, dim, minX, minY, invSize, 0 );\n\n\t\treturn triangles;\n\n\t}\n\n};\n\n// create a circular doubly linked list from polygon points in the specified winding order\nfunction linkedList( data, start, end, dim, clockwise ) {\n\n\tlet i, last;\n\n\tif ( clockwise === ( signedArea( data, start, end, dim ) > 0 ) ) {\n\n\t\tfor ( i = start; i < end; i += dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last );\n\n\t} else {\n\n\t\tfor ( i = end - dim; i >= start; i -= dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last );\n\n\t}\n\n\tif ( last && equals( last, last.next ) ) {\n\n\t\tremoveNode( last );\n\t\tlast = last.next;\n\n\t}\n\n\treturn last;\n\n}\n\n// eliminate colinear or duplicate points\nfunction filterPoints( start, end ) {\n\n\tif ( ! start ) return start;\n\tif ( ! end ) end = start;\n\n\tlet p = start,\n\t\tagain;\n\tdo {\n\n\t\tagain = false;\n\n\t\tif ( ! p.steiner && ( equals( p, p.next ) || area( p.prev, p, p.next ) === 0 ) ) {\n\n\t\t\tremoveNode( p );\n\t\t\tp = end = p.prev;\n\t\t\tif ( p === p.next ) break;\n\t\t\tagain = true;\n\n\t\t} else {\n\n\t\t\tp = p.next;\n\n\t\t}\n\n\t} while ( again || p !== end );\n\n\treturn end;\n\n}\n\n// main ear slicing loop which triangulates a polygon (given as a linked list)\nfunction earcutLinked( ear, triangles, dim, minX, minY, invSize, pass ) {\n\n\tif ( ! ear ) return;\n\n\t// interlink polygon nodes in z-order\n\tif ( ! pass && invSize ) indexCurve( ear, minX, minY, invSize );\n\n\tlet stop = ear,\n\t\tprev, next;\n\n\t// iterate through ears, slicing them one by one\n\twhile ( ear.prev !== ear.next ) {\n\n\t\tprev = ear.prev;\n\t\tnext = ear.next;\n\n\t\tif ( invSize ? isEarHashed( ear, minX, minY, invSize ) : isEar( ear ) ) {\n\n\t\t\t// cut off the triangle\n\t\t\ttriangles.push( prev.i / dim | 0 );\n\t\t\ttriangles.push( ear.i / dim | 0 );\n\t\t\ttriangles.push( next.i / dim | 0 );\n\n\t\t\tremoveNode( ear );\n\n\t\t\t// skipping the next vertex leads to less sliver triangles\n\t\t\tear = next.next;\n\t\t\tstop = next.next;\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\tear = next;\n\n\t\t// if we looped through the whole remaining polygon and can't find any more ears\n\t\tif ( ear === stop ) {\n\n\t\t\t// try filtering points and slicing again\n\t\t\tif ( ! pass ) {\n\n\t\t\t\tearcutLinked( filterPoints( ear ), triangles, dim, minX, minY, invSize, 1 );\n\n\t\t\t\t// if this didn't work, try curing all small self-intersections locally\n\n\t\t\t} else if ( pass === 1 ) {\n\n\t\t\t\tear = cureLocalIntersections( filterPoints( ear ), triangles, dim );\n\t\t\t\tearcutLinked( ear, triangles, dim, minX, minY, invSize, 2 );\n\n\t\t\t\t// as a last resort, try splitting the remaining polygon into two\n\n\t\t\t} else if ( pass === 2 ) {\n\n\t\t\t\tsplitEarcut( ear, triangles, dim, minX, minY, invSize );\n\n\t\t\t}\n\n\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n}\n\n// check whether a polygon node forms a valid ear with adjacent nodes\nfunction isEar( ear ) {\n\n\tconst a = ear.prev,\n\t\tb = ear,\n\t\tc = ear.next;\n\n\tif ( area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear\n\n\t// now make sure we don't have other points inside the potential ear\n\tconst ax = a.x, bx = b.x, cx = c.x, ay = a.y, by = b.y, cy = c.y;\n\n\t// triangle bbox; min & max are calculated like this for speed\n\tconst x0 = ax < bx ? ( ax < cx ? ax : cx ) : ( bx < cx ? bx : cx ),\n\t\ty0 = ay < by ? ( ay < cy ? ay : cy ) : ( by < cy ? by : cy ),\n\t\tx1 = ax > bx ? ( ax > cx ? ax : cx ) : ( bx > cx ? bx : cx ),\n\t\ty1 = ay > by ? ( ay > cy ? ay : cy ) : ( by > cy ? by : cy );\n\n\tlet p = c.next;\n\twhile ( p !== a ) {\n\n\t\tif ( p.x >= x0 && p.x <= x1 && p.y >= y0 && p.y <= y1 &&\n\t\t\tpointInTriangle( ax, ay, bx, by, cx, cy, p.x, p.y ) &&\n\t\t\tarea( p.prev, p, p.next ) >= 0 ) return false;\n\t\tp = p.next;\n\n\t}\n\n\treturn true;\n\n}\n\nfunction isEarHashed( ear, minX, minY, invSize ) {\n\n\tconst a = ear.prev,\n\t\tb = ear,\n\t\tc = ear.next;\n\n\tif ( area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear\n\n\tconst ax = a.x, bx = b.x, cx = c.x, ay = a.y, by = b.y, cy = c.y;\n\n\t// triangle bbox; min & max are calculated like this for speed\n\tconst x0 = ax < bx ? ( ax < cx ? ax : cx ) : ( bx < cx ? bx : cx ),\n\t\ty0 = ay < by ? ( ay < cy ? ay : cy ) : ( by < cy ? by : cy ),\n\t\tx1 = ax > bx ? ( ax > cx ? ax : cx ) : ( bx > cx ? bx : cx ),\n\t\ty1 = ay > by ? ( ay > cy ? ay : cy ) : ( by > cy ? by : cy );\n\n\t// z-order range for the current triangle bbox;\n\tconst minZ = zOrder( x0, y0, minX, minY, invSize ),\n\t\tmaxZ = zOrder( x1, y1, minX, minY, invSize );\n\n\tlet p = ear.prevZ,\n\t\tn = ear.nextZ;\n\n\t// look for points inside the triangle in both directions\n\twhile ( p && p.z >= minZ && n && n.z <= maxZ ) {\n\n\t\tif ( p.x >= x0 && p.x <= x1 && p.y >= y0 && p.y <= y1 && p !== a && p !== c &&\n\t\t\tpointInTriangle( ax, ay, bx, by, cx, cy, p.x, p.y ) && area( p.prev, p, p.next ) >= 0 ) return false;\n\t\tp = p.prevZ;\n\n\t\tif ( n.x >= x0 && n.x <= x1 && n.y >= y0 && n.y <= y1 && n !== a && n !== c &&\n\t\t\tpointInTriangle( ax, ay, bx, by, cx, cy, n.x, n.y ) && area( n.prev, n, n.next ) >= 0 ) return false;\n\t\tn = n.nextZ;\n\n\t}\n\n\t// look for remaining points in decreasing z-order\n\twhile ( p && p.z >= minZ ) {\n\n\t\tif ( p.x >= x0 && p.x <= x1 && p.y >= y0 && p.y <= y1 && p !== a && p !== c &&\n\t\t\tpointInTriangle( ax, ay, bx, by, cx, cy, p.x, p.y ) && area( p.prev, p, p.next ) >= 0 ) return false;\n\t\tp = p.prevZ;\n\n\t}\n\n\t// look for remaining points in increasing z-order\n\twhile ( n && n.z <= maxZ ) {\n\n\t\tif ( n.x >= x0 && n.x <= x1 && n.y >= y0 && n.y <= y1 && n !== a && n !== c &&\n\t\t\tpointInTriangle( ax, ay, bx, by, cx, cy, n.x, n.y ) && area( n.prev, n, n.next ) >= 0 ) return false;\n\t\tn = n.nextZ;\n\n\t}\n\n\treturn true;\n\n}\n\n// go through all polygon nodes and cure small local self-intersections\nfunction cureLocalIntersections( start, triangles, dim ) {\n\n\tlet p = start;\n\tdo {\n\n\t\tconst a = p.prev,\n\t\t\tb = p.next.next;\n\n\t\tif ( ! equals( a, b ) && intersects( a, p, p.next, b ) && locallyInside( a, b ) && locallyInside( b, a ) ) {\n\n\t\t\ttriangles.push( a.i / dim | 0 );\n\t\t\ttriangles.push( p.i / dim | 0 );\n\t\t\ttriangles.push( b.i / dim | 0 );\n\n\t\t\t// remove two nodes involved\n\t\t\tremoveNode( p );\n\t\t\tremoveNode( p.next );\n\n\t\t\tp = start = b;\n\n\t\t}\n\n\t\tp = p.next;\n\n\t} while ( p !== start );\n\n\treturn filterPoints( p );\n\n}\n\n// try splitting polygon into two and triangulate them independently\nfunction splitEarcut( start, triangles, dim, minX, minY, invSize ) {\n\n\t// look for a valid diagonal that divides the polygon into two\n\tlet a = start;\n\tdo {\n\n\t\tlet b = a.next.next;\n\t\twhile ( b !== a.prev ) {\n\n\t\t\tif ( a.i !== b.i && isValidDiagonal( a, b ) ) {\n\n\t\t\t\t// split the polygon in two by the diagonal\n\t\t\t\tlet c = splitPolygon( a, b );\n\n\t\t\t\t// filter colinear points around the cuts\n\t\t\t\ta = filterPoints( a, a.next );\n\t\t\t\tc = filterPoints( c, c.next );\n\n\t\t\t\t// run earcut on each half\n\t\t\t\tearcutLinked( a, triangles, dim, minX, minY, invSize, 0 );\n\t\t\t\tearcutLinked( c, triangles, dim, minX, minY, invSize, 0 );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tb = b.next;\n\n\t\t}\n\n\t\ta = a.next;\n\n\t} while ( a !== start );\n\n}\n\n// link every hole into the outer loop, producing a single-ring polygon without holes\nfunction eliminateHoles( data, holeIndices, outerNode, dim ) {\n\n\tconst queue = [];\n\tlet i, len, start, end, list;\n\n\tfor ( i = 0, len = holeIndices.length; i < len; i ++ ) {\n\n\t\tstart = holeIndices[ i ] * dim;\n\t\tend = i < len - 1 ? holeIndices[ i + 1 ] * dim : data.length;\n\t\tlist = linkedList( data, start, end, dim, false );\n\t\tif ( list === list.next ) list.steiner = true;\n\t\tqueue.push( getLeftmost( list ) );\n\n\t}\n\n\tqueue.sort( compareX );\n\n\t// process holes from left to right\n\tfor ( i = 0; i < queue.length; i ++ ) {\n\n\t\touterNode = eliminateHole( queue[ i ], outerNode );\n\n\t}\n\n\treturn outerNode;\n\n}\n\nfunction compareX( a, b ) {\n\n\treturn a.x - b.x;\n\n}\n\n// find a bridge between vertices that connects hole with an outer ring and link it\nfunction eliminateHole( hole, outerNode ) {\n\n\tconst bridge = findHoleBridge( hole, outerNode );\n\tif ( ! bridge ) {\n\n\t\treturn outerNode;\n\n\t}\n\n\tconst bridgeReverse = splitPolygon( bridge, hole );\n\n\t// filter collinear points around the cuts\n\tfilterPoints( bridgeReverse, bridgeReverse.next );\n\treturn filterPoints( bridge, bridge.next );\n\n}\n\n// David Eberly's algorithm for finding a bridge between hole and outer polygon\nfunction findHoleBridge( hole, outerNode ) {\n\n\tlet p = outerNode,\n\t\tqx = - Infinity,\n\t\tm;\n\n\tconst hx = hole.x, hy = hole.y;\n\n\t// find a segment intersected by a ray from the hole's leftmost point to the left;\n\t// segment's endpoint with lesser x will be potential connection point\n\tdo {\n\n\t\tif ( hy <= p.y && hy >= p.next.y && p.next.y !== p.y ) {\n\n\t\t\tconst x = p.x + ( hy - p.y ) * ( p.next.x - p.x ) / ( p.next.y - p.y );\n\t\t\tif ( x <= hx && x > qx ) {\n\n\t\t\t\tqx = x;\n\t\t\t\tm = p.x < p.next.x ? p : p.next;\n\t\t\t\tif ( x === hx ) return m; // hole touches outer segment; pick leftmost endpoint\n\n\t\t\t}\n\n\t\t}\n\n\t\tp = p.next;\n\n\t} while ( p !== outerNode );\n\n\tif ( ! m ) return null;\n\n\t// look for points inside the triangle of hole point, segment intersection and endpoint;\n\t// if there are no points found, we have a valid connection;\n\t// otherwise choose the point of the minimum angle with the ray as connection point\n\n\tconst stop = m,\n\t\tmx = m.x,\n\t\tmy = m.y;\n\tlet tanMin = Infinity, tan;\n\n\tp = m;\n\n\tdo {\n\n\t\tif ( hx >= p.x && p.x >= mx && hx !== p.x &&\n\t\t\t\tpointInTriangle( hy < my ? hx : qx, hy, mx, my, hy < my ? qx : hx, hy, p.x, p.y ) ) {\n\n\t\t\ttan = Math.abs( hy - p.y ) / ( hx - p.x ); // tangential\n\n\t\t\tif ( locallyInside( p, hole ) && ( tan < tanMin || ( tan === tanMin && ( p.x > m.x || ( p.x === m.x && sectorContainsSector( m, p ) ) ) ) ) ) {\n\n\t\t\t\tm = p;\n\t\t\t\ttanMin = tan;\n\n\t\t\t}\n\n\t\t}\n\n\t\tp = p.next;\n\n\t} while ( p !== stop );\n\n\treturn m;\n\n}\n\n// whether sector in vertex m contains sector in vertex p in the same coordinates\nfunction sectorContainsSector( m, p ) {\n\n\treturn area( m.prev, m, p.prev ) < 0 && area( p.next, m, m.next ) < 0;\n\n}\n\n// interlink polygon nodes in z-order\nfunction indexCurve( start, minX, minY, invSize ) {\n\n\tlet p = start;\n\tdo {\n\n\t\tif ( p.z === 0 ) p.z = zOrder( p.x, p.y, minX, minY, invSize );\n\t\tp.prevZ = p.prev;\n\t\tp.nextZ = p.next;\n\t\tp = p.next;\n\n\t} while ( p !== start );\n\n\tp.prevZ.nextZ = null;\n\tp.prevZ = null;\n\n\tsortLinked( p );\n\n}\n\n// Simon Tatham's linked list merge sort algorithm\n// http://www.chiark.greenend.org.uk/~sgtatham/algorithms/listsort.html\nfunction sortLinked( list ) {\n\n\tlet i, p, q, e, tail, numMerges, pSize, qSize,\n\t\tinSize = 1;\n\n\tdo {\n\n\t\tp = list;\n\t\tlist = null;\n\t\ttail = null;\n\t\tnumMerges = 0;\n\n\t\twhile ( p ) {\n\n\t\t\tnumMerges ++;\n\t\t\tq = p;\n\t\t\tpSize = 0;\n\t\t\tfor ( i = 0; i < inSize; i ++ ) {\n\n\t\t\t\tpSize ++;\n\t\t\t\tq = q.nextZ;\n\t\t\t\tif ( ! q ) break;\n\n\t\t\t}\n\n\t\t\tqSize = inSize;\n\n\t\t\twhile ( pSize > 0 || ( qSize > 0 && q ) ) {\n\n\t\t\t\tif ( pSize !== 0 && ( qSize === 0 || ! q || p.z <= q.z ) ) {\n\n\t\t\t\t\te = p;\n\t\t\t\t\tp = p.nextZ;\n\t\t\t\t\tpSize --;\n\n\t\t\t\t} else {\n\n\t\t\t\t\te = q;\n\t\t\t\t\tq = q.nextZ;\n\t\t\t\t\tqSize --;\n\n\t\t\t\t}\n\n\t\t\t\tif ( tail ) tail.nextZ = e;\n\t\t\t\telse list = e;\n\n\t\t\t\te.prevZ = tail;\n\t\t\t\ttail = e;\n\n\t\t\t}\n\n\t\t\tp = q;\n\n\t\t}\n\n\t\ttail.nextZ = null;\n\t\tinSize *= 2;\n\n\t} while ( numMerges > 1 );\n\n\treturn list;\n\n}\n\n// z-order of a point given coords and inverse of the longer side of data bbox\nfunction zOrder( x, y, minX, minY, invSize ) {\n\n\t// coords are transformed into non-negative 15-bit integer range\n\tx = ( x - minX ) * invSize | 0;\n\ty = ( y - minY ) * invSize | 0;\n\n\tx = ( x | ( x << 8 ) ) & 0x00FF00FF;\n\tx = ( x | ( x << 4 ) ) & 0x0F0F0F0F;\n\tx = ( x | ( x << 2 ) ) & 0x33333333;\n\tx = ( x | ( x << 1 ) ) & 0x55555555;\n\n\ty = ( y | ( y << 8 ) ) & 0x00FF00FF;\n\ty = ( y | ( y << 4 ) ) & 0x0F0F0F0F;\n\ty = ( y | ( y << 2 ) ) & 0x33333333;\n\ty = ( y | ( y << 1 ) ) & 0x55555555;\n\n\treturn x | ( y << 1 );\n\n}\n\n// find the leftmost node of a polygon ring\nfunction getLeftmost( start ) {\n\n\tlet p = start,\n\t\tleftmost = start;\n\tdo {\n\n\t\tif ( p.x < leftmost.x || ( p.x === leftmost.x && p.y < leftmost.y ) ) leftmost = p;\n\t\tp = p.next;\n\n\t} while ( p !== start );\n\n\treturn leftmost;\n\n}\n\n// check if a point lies within a convex triangle\nfunction pointInTriangle( ax, ay, bx, by, cx, cy, px, py ) {\n\n\treturn ( cx - px ) * ( ay - py ) >= ( ax - px ) * ( cy - py ) &&\n ( ax - px ) * ( by - py ) >= ( bx - px ) * ( ay - py ) &&\n ( bx - px ) * ( cy - py ) >= ( cx - px ) * ( by - py );\n\n}\n\n// check if a diagonal between two polygon nodes is valid (lies in polygon interior)\nfunction isValidDiagonal( a, b ) {\n\n\treturn a.next.i !== b.i && a.prev.i !== b.i && ! intersectsPolygon( a, b ) && // doesn't intersect other edges\n ( locallyInside( a, b ) && locallyInside( b, a ) && middleInside( a, b ) && // locally visible\n ( area( a.prev, a, b.prev ) || area( a, b.prev, b ) ) || // does not create opposite-facing sectors\n equals( a, b ) && area( a.prev, a, a.next ) > 0 && area( b.prev, b, b.next ) > 0 ); // special zero-length case\n\n}\n\n// signed area of a triangle\nfunction area( p, q, r ) {\n\n\treturn ( q.y - p.y ) * ( r.x - q.x ) - ( q.x - p.x ) * ( r.y - q.y );\n\n}\n\n// check if two points are equal\nfunction equals( p1, p2 ) {\n\n\treturn p1.x === p2.x && p1.y === p2.y;\n\n}\n\n// check if two segments intersect\nfunction intersects( p1, q1, p2, q2 ) {\n\n\tconst o1 = sign( area( p1, q1, p2 ) );\n\tconst o2 = sign( area( p1, q1, q2 ) );\n\tconst o3 = sign( area( p2, q2, p1 ) );\n\tconst o4 = sign( area( p2, q2, q1 ) );\n\n\tif ( o1 !== o2 && o3 !== o4 ) return true; // general case\n\n\tif ( o1 === 0 && onSegment( p1, p2, q1 ) ) return true; // p1, q1 and p2 are collinear and p2 lies on p1q1\n\tif ( o2 === 0 && onSegment( p1, q2, q1 ) ) return true; // p1, q1 and q2 are collinear and q2 lies on p1q1\n\tif ( o3 === 0 && onSegment( p2, p1, q2 ) ) return true; // p2, q2 and p1 are collinear and p1 lies on p2q2\n\tif ( o4 === 0 && onSegment( p2, q1, q2 ) ) return true; // p2, q2 and q1 are collinear and q1 lies on p2q2\n\n\treturn false;\n\n}\n\n// for collinear points p, q, r, check if point q lies on segment pr\nfunction onSegment( p, q, r ) {\n\n\treturn q.x <= Math.max( p.x, r.x ) && q.x >= Math.min( p.x, r.x ) && q.y <= Math.max( p.y, r.y ) && q.y >= Math.min( p.y, r.y );\n\n}\n\nfunction sign( num ) {\n\n\treturn num > 0 ? 1 : num < 0 ? - 1 : 0;\n\n}\n\n// check if a polygon diagonal intersects any polygon segments\nfunction intersectsPolygon( a, b ) {\n\n\tlet p = a;\n\tdo {\n\n\t\tif ( p.i !== a.i && p.next.i !== a.i && p.i !== b.i && p.next.i !== b.i &&\n\t\t\tintersects( p, p.next, a, b ) ) return true;\n\t\tp = p.next;\n\n\t} while ( p !== a );\n\n\treturn false;\n\n}\n\n// check if a polygon diagonal is locally inside the polygon\nfunction locallyInside( a, b ) {\n\n\treturn area( a.prev, a, a.next ) < 0 ?\n\t\tarea( a, b, a.next ) >= 0 && area( a, a.prev, b ) >= 0 :\n\t\tarea( a, b, a.prev ) < 0 || area( a, a.next, b ) < 0;\n\n}\n\n// check if the middle point of a polygon diagonal is inside the polygon\nfunction middleInside( a, b ) {\n\n\tlet p = a,\n\t\tinside = false;\n\tconst px = ( a.x + b.x ) / 2,\n\t\tpy = ( a.y + b.y ) / 2;\n\tdo {\n\n\t\tif ( ( ( p.y > py ) !== ( p.next.y > py ) ) && p.next.y !== p.y &&\n\t\t\t( px < ( p.next.x - p.x ) * ( py - p.y ) / ( p.next.y - p.y ) + p.x ) )\n\t\t\tinside = ! inside;\n\t\tp = p.next;\n\n\t} while ( p !== a );\n\n\treturn inside;\n\n}\n\n// link two polygon vertices with a bridge; if the vertices belong to the same ring, it splits polygon into two;\n// if one belongs to the outer ring and another to a hole, it merges it into a single ring\nfunction splitPolygon( a, b ) {\n\n\tconst a2 = new Node( a.i, a.x, a.y ),\n\t\tb2 = new Node( b.i, b.x, b.y ),\n\t\tan = a.next,\n\t\tbp = b.prev;\n\n\ta.next = b;\n\tb.prev = a;\n\n\ta2.next = an;\n\tan.prev = a2;\n\n\tb2.next = a2;\n\ta2.prev = b2;\n\n\tbp.next = b2;\n\tb2.prev = bp;\n\n\treturn b2;\n\n}\n\n// create a node and optionally link it with previous one (in a circular doubly linked list)\nfunction insertNode( i, x, y, last ) {\n\n\tconst p = new Node( i, x, y );\n\n\tif ( ! last ) {\n\n\t\tp.prev = p;\n\t\tp.next = p;\n\n\t} else {\n\n\t\tp.next = last.next;\n\t\tp.prev = last;\n\t\tlast.next.prev = p;\n\t\tlast.next = p;\n\n\t}\n\n\treturn p;\n\n}\n\nfunction removeNode( p ) {\n\n\tp.next.prev = p.prev;\n\tp.prev.next = p.next;\n\n\tif ( p.prevZ ) p.prevZ.nextZ = p.nextZ;\n\tif ( p.nextZ ) p.nextZ.prevZ = p.prevZ;\n\n}\n\nfunction Node( i, x, y ) {\n\n\t// vertex index in coordinates array\n\tthis.i = i;\n\n\t// vertex coordinates\n\tthis.x = x;\n\tthis.y = y;\n\n\t// previous and next vertex nodes in a polygon ring\n\tthis.prev = null;\n\tthis.next = null;\n\n\t// z-order curve value\n\tthis.z = 0;\n\n\t// previous and next nodes in z-order\n\tthis.prevZ = null;\n\tthis.nextZ = null;\n\n\t// indicates whether this is a steiner point\n\tthis.steiner = false;\n\n}\n\nfunction signedArea( data, start, end, dim ) {\n\n\tlet sum = 0;\n\tfor ( let i = start, j = end - dim; i < end; i += dim ) {\n\n\t\tsum += ( data[ j ] - data[ i ] ) * ( data[ i + 1 ] + data[ j + 1 ] );\n\t\tj = i;\n\n\t}\n\n\treturn sum;\n\n}\n\nclass ShapeUtils {\n\n\t// calculate area of the contour polygon\n\n\tstatic area( contour ) {\n\n\t\tconst n = contour.length;\n\t\tlet a = 0.0;\n\n\t\tfor ( let p = n - 1, q = 0; q < n; p = q ++ ) {\n\n\t\t\ta += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y;\n\n\t\t}\n\n\t\treturn a * 0.5;\n\n\t}\n\n\tstatic isClockWise( pts ) {\n\n\t\treturn ShapeUtils.area( pts ) < 0;\n\n\t}\n\n\tstatic triangulateShape( contour, holes ) {\n\n\t\tconst vertices = []; // flat array of vertices like [ x0,y0, x1,y1, x2,y2, ... ]\n\t\tconst holeIndices = []; // array of hole indices\n\t\tconst faces = []; // final array of vertex indices like [ [ a,b,d ], [ b,c,d ] ]\n\n\t\tremoveDupEndPts( contour );\n\t\taddContour( vertices, contour );\n\n\t\t//\n\n\t\tlet holeIndex = contour.length;\n\n\t\tholes.forEach( removeDupEndPts );\n\n\t\tfor ( let i = 0; i < holes.length; i ++ ) {\n\n\t\t\tholeIndices.push( holeIndex );\n\t\t\tholeIndex += holes[ i ].length;\n\t\t\taddContour( vertices, holes[ i ] );\n\n\t\t}\n\n\t\t//\n\n\t\tconst triangles = Earcut.triangulate( vertices, holeIndices );\n\n\t\t//\n\n\t\tfor ( let i = 0; i < triangles.length; i += 3 ) {\n\n\t\t\tfaces.push( triangles.slice( i, i + 3 ) );\n\n\t\t}\n\n\t\treturn faces;\n\n\t}\n\n}\n\nfunction removeDupEndPts( points ) {\n\n\tconst l = points.length;\n\n\tif ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) {\n\n\t\tpoints.pop();\n\n\t}\n\n}\n\nfunction addContour( vertices, contour ) {\n\n\tfor ( let i = 0; i < contour.length; i ++ ) {\n\n\t\tvertices.push( contour[ i ].x );\n\t\tvertices.push( contour[ i ].y );\n\n\t}\n\n}\n\n/**\n * Creates extruded geometry from a path shape.\n *\n * parameters = {\n *\n * curveSegments: , // number of points on the curves\n * steps: , // number of points for z-side extrusions / used for subdividing segments of extrude spline too\n * depth: , // Depth to extrude the shape\n *\n * bevelEnabled: , // turn on bevel\n * bevelThickness: , // how deep into the original shape bevel goes\n * bevelSize: , // how far from shape outline (including bevelOffset) is bevel\n * bevelOffset: , // how far from shape outline does bevel start\n * bevelSegments: , // number of bevel layers\n *\n * extrudePath: // curve to extrude shape along\n *\n * UVGenerator: // object that provides UV generator functions\n *\n * }\n */\n\n\nclass ExtrudeGeometry extends BufferGeometry {\n\n\tconstructor( shapes = new Shape( [ new Vector2( 0.5, 0.5 ), new Vector2( - 0.5, 0.5 ), new Vector2( - 0.5, - 0.5 ), new Vector2( 0.5, - 0.5 ) ] ), options = {} ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ExtrudeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tshapes: shapes,\n\t\t\toptions: options\n\t\t};\n\n\t\tshapes = Array.isArray( shapes ) ? shapes : [ shapes ];\n\n\t\tconst scope = this;\n\n\t\tconst verticesArray = [];\n\t\tconst uvArray = [];\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\t\t\taddShape( shape );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( verticesArray, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvArray, 2 ) );\n\n\t\tthis.computeVertexNormals();\n\n\t\t// functions\n\n\t\tfunction addShape( shape ) {\n\n\t\t\tconst placeholder = [];\n\n\t\t\t// options\n\n\t\t\tconst curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\t\t\tconst steps = options.steps !== undefined ? options.steps : 1;\n\t\t\tconst depth = options.depth !== undefined ? options.depth : 1;\n\n\t\t\tlet bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true;\n\t\t\tlet bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 0.2;\n\t\t\tlet bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 0.1;\n\t\t\tlet bevelOffset = options.bevelOffset !== undefined ? options.bevelOffset : 0;\n\t\t\tlet bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3;\n\n\t\t\tconst extrudePath = options.extrudePath;\n\n\t\t\tconst uvgen = options.UVGenerator !== undefined ? options.UVGenerator : WorldUVGenerator;\n\n\t\t\t//\n\n\t\t\tlet extrudePts, extrudeByPath = false;\n\t\t\tlet splineTube, binormal, normal, position2;\n\n\t\t\tif ( extrudePath ) {\n\n\t\t\t\textrudePts = extrudePath.getSpacedPoints( steps );\n\n\t\t\t\textrudeByPath = true;\n\t\t\t\tbevelEnabled = false; // bevels not supported for path extrusion\n\n\t\t\t\t// SETUP TNB variables\n\n\t\t\t\t// TODO1 - have a .isClosed in spline?\n\n\t\t\t\tsplineTube = extrudePath.computeFrenetFrames( steps, false );\n\n\t\t\t\t// console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length);\n\n\t\t\t\tbinormal = new Vector3();\n\t\t\t\tnormal = new Vector3();\n\t\t\t\tposition2 = new Vector3();\n\n\t\t\t}\n\n\t\t\t// Safeguards if bevels are not enabled\n\n\t\t\tif ( ! bevelEnabled ) {\n\n\t\t\t\tbevelSegments = 0;\n\t\t\t\tbevelThickness = 0;\n\t\t\t\tbevelSize = 0;\n\t\t\t\tbevelOffset = 0;\n\n\t\t\t}\n\n\t\t\t// Variables initialization\n\n\t\t\tconst shapePoints = shape.extractPoints( curveSegments );\n\n\t\t\tlet vertices = shapePoints.shape;\n\t\t\tconst holes = shapePoints.holes;\n\n\t\t\tconst reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\t\tif ( reverse ) {\n\n\t\t\t\tvertices = vertices.reverse();\n\n\t\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe ...\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\t\tif ( ShapeUtils.isClockWise( ahole ) ) {\n\n\t\t\t\t\t\tholes[ h ] = ahole.reverse();\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\tconst faces = ShapeUtils.triangulateShape( vertices, holes );\n\n\t\t\t/* Vertices */\n\n\t\t\tconst contour = vertices; // vertices has all points but contour has only points of circumference\n\n\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\tvertices = vertices.concat( ahole );\n\n\t\t\t}\n\n\n\t\t\tfunction scalePt2( pt, vec, size ) {\n\n\t\t\t\tif ( ! vec ) console.error( 'THREE.ExtrudeGeometry: vec does not exist' );\n\n\t\t\t\treturn pt.clone().addScaledVector( vec, size );\n\n\t\t\t}\n\n\t\t\tconst vlen = vertices.length, flen = faces.length;\n\n\n\t\t\t// Find directions for point movement\n\n\n\t\t\tfunction getBevelVec( inPt, inPrev, inNext ) {\n\n\t\t\t\t// computes for inPt the corresponding point inPt' on a new contour\n\t\t\t\t// shifted by 1 unit (length of normalized vector) to the left\n\t\t\t\t// if we walk along contour clockwise, this new contour is outside the old one\n\t\t\t\t//\n\t\t\t\t// inPt' is the intersection of the two lines parallel to the two\n\t\t\t\t// adjacent edges of inPt at a distance of 1 unit on the left side.\n\n\t\t\t\tlet v_trans_x, v_trans_y, shrink_by; // resulting translation vector for inPt\n\n\t\t\t\t// good reading for geometry algorithms (here: line-line intersection)\n\t\t\t\t// http://geomalgorithms.com/a05-_intersect-1.html\n\n\t\t\t\tconst v_prev_x = inPt.x - inPrev.x,\n\t\t\t\t\tv_prev_y = inPt.y - inPrev.y;\n\t\t\t\tconst v_next_x = inNext.x - inPt.x,\n\t\t\t\t\tv_next_y = inNext.y - inPt.y;\n\n\t\t\t\tconst v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y );\n\n\t\t\t\t// check for collinear edges\n\t\t\t\tconst collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\tif ( Math.abs( collinear0 ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not collinear\n\n\t\t\t\t\t// length of vectors for normalizing\n\n\t\t\t\t\tconst v_prev_len = Math.sqrt( v_prev_lensq );\n\t\t\t\t\tconst v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y );\n\n\t\t\t\t\t// shift adjacent points by unit vectors to the left\n\n\t\t\t\t\tconst ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len );\n\t\t\t\t\tconst ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len );\n\n\t\t\t\t\tconst ptNextShift_x = ( inNext.x - v_next_y / v_next_len );\n\t\t\t\t\tconst ptNextShift_y = ( inNext.y + v_next_x / v_next_len );\n\n\t\t\t\t\t// scaling factor for v_prev to intersection point\n\n\t\t\t\t\tconst sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y -\n\t\t\t\t\t\t\t( ptNextShift_y - ptPrevShift_y ) * v_next_x ) /\n\t\t\t\t\t\t( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\t\t// vector from inPt to intersection point\n\n\t\t\t\t\tv_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x );\n\t\t\t\t\tv_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y );\n\n\t\t\t\t\t// Don't normalize!, otherwise sharp corners become ugly\n\t\t\t\t\t// but prevent crazy spikes\n\t\t\t\t\tconst v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y );\n\t\t\t\t\tif ( v_trans_lensq <= 2 ) {\n\n\t\t\t\t\t\treturn new Vector2( v_trans_x, v_trans_y );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_trans_lensq / 2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// handle special case of collinear edges\n\n\t\t\t\t\tlet direction_eq = false; // assumes: opposite\n\n\t\t\t\t\tif ( v_prev_x > Number.EPSILON ) {\n\n\t\t\t\t\t\tif ( v_next_x > Number.EPSILON ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( v_prev_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\tif ( v_next_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) {\n\n\t\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( direction_eq ) {\n\n\t\t\t\t\t\t// console.log(\"Warning: lines are a straight sequence\");\n\t\t\t\t\t\tv_trans_x = - v_prev_y;\n\t\t\t\t\t\tv_trans_y = v_prev_x;\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// console.log(\"Warning: lines are a straight spike\");\n\t\t\t\t\t\tv_trans_x = v_prev_x;\n\t\t\t\t\t\tv_trans_y = v_prev_y;\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq / 2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn new Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by );\n\n\t\t\t}\n\n\n\t\t\tconst contourMovements = [];\n\n\t\t\tfor ( let i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t// (j)---(i)---(k)\n\t\t\t\t// console.log('i,j,k', i, j , k)\n\n\t\t\t\tcontourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] );\n\n\t\t\t}\n\n\t\t\tconst holesMovements = [];\n\t\t\tlet oneHoleMovements, verticesMovements = contourMovements.concat();\n\n\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\toneHoleMovements = [];\n\n\t\t\t\tfor ( let i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t\t// (j)---(i)---(k)\n\t\t\t\t\toneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] );\n\n\t\t\t\t}\n\n\t\t\t\tholesMovements.push( oneHoleMovements );\n\t\t\t\tverticesMovements = verticesMovements.concat( oneHoleMovements );\n\n\t\t\t}\n\n\n\t\t\t// Loop bevelSegments, 1 for the front, 1 for the back\n\n\t\t\tfor ( let b = 0; b < bevelSegments; b ++ ) {\n\n\t\t\t\t//for ( b = bevelSegments; b > 0; b -- ) {\n\n\t\t\t\tconst t = b / bevelSegments;\n\t\t\t\tconst z = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\t\tconst bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset;\n\n\t\t\t\t// contract shape\n\n\t\t\t\tfor ( let i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst vert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\n\t\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t\t}\n\n\t\t\t\t// expand holes\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\t\tfor ( let i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst bs = bevelSize + bevelOffset;\n\n\t\t\t// Back facing vertices\n\n\t\t\tfor ( let i = 0; i < vlen; i ++ ) {\n\n\t\t\t\tconst vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\tv( vert.x, vert.y, 0 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x );\n\n\t\t\t\t\tnormal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x );\n\t\t\t\t\tbinormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\tposition2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal );\n\n\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Add stepped vertices...\n\t\t\t// Including front facing vertices\n\n\t\t\tfor ( let s = 1; s <= steps; s ++ ) {\n\n\t\t\t\tfor ( let i = 0; i < vlen; i ++ ) {\n\n\t\t\t\t\tconst vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\tv( vert.x, vert.y, depth / steps * s );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x );\n\n\t\t\t\t\t\tnormal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x );\n\t\t\t\t\t\tbinormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\t\tposition2.copy( extrudePts[ s ] ).add( normal ).add( binormal );\n\n\t\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\t// Add bevel segments planes\n\n\t\t\t//for ( b = 1; b <= bevelSegments; b ++ ) {\n\t\t\tfor ( let b = bevelSegments - 1; b >= 0; b -- ) {\n\n\t\t\t\tconst t = b / bevelSegments;\n\t\t\t\tconst z = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\t\tconst bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset;\n\n\t\t\t\t// contract shape\n\n\t\t\t\tfor ( let i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst vert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\t\t\t\t\tv( vert.x, vert.y, depth + z );\n\n\t\t\t\t}\n\n\t\t\t\t// expand holes\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\t\tfor ( let i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\t\tv( vert.x, vert.y, depth + z );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tv( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t/* Faces */\n\n\t\t\t// Top and bottom faces\n\n\t\t\tbuildLidFaces();\n\n\t\t\t// Sides faces\n\n\t\t\tbuildSideFaces();\n\n\n\t\t\t///// Internal functions\n\n\t\t\tfunction buildLidFaces() {\n\n\t\t\t\tconst start = verticesArray.length / 3;\n\n\t\t\t\tif ( bevelEnabled ) {\n\n\t\t\t\t\tlet layer = 0; // steps + 1\n\t\t\t\t\tlet offset = vlen * layer;\n\n\t\t\t\t\t// Bottom faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tlayer = steps + bevelSegments * 2;\n\t\t\t\t\toffset = vlen * layer;\n\n\t\t\t\t\t// Top faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Bottom faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 2 ], face[ 1 ], face[ 0 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Top faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tscope.addGroup( start, verticesArray.length / 3 - start, 0 );\n\n\t\t\t}\n\n\t\t\t// Create faces for the z-sides of the shape\n\n\t\t\tfunction buildSideFaces() {\n\n\t\t\t\tconst start = verticesArray.length / 3;\n\t\t\t\tlet layeroffset = 0;\n\t\t\t\tsidewalls( contour, layeroffset );\n\t\t\t\tlayeroffset += contour.length;\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\tsidewalls( ahole, layeroffset );\n\n\t\t\t\t\t//, true\n\t\t\t\t\tlayeroffset += ahole.length;\n\n\t\t\t\t}\n\n\n\t\t\t\tscope.addGroup( start, verticesArray.length / 3 - start, 1 );\n\n\n\t\t\t}\n\n\t\t\tfunction sidewalls( contour, layeroffset ) {\n\n\t\t\t\tlet i = contour.length;\n\n\t\t\t\twhile ( -- i >= 0 ) {\n\n\t\t\t\t\tconst j = i;\n\t\t\t\t\tlet k = i - 1;\n\t\t\t\t\tif ( k < 0 ) k = contour.length - 1;\n\n\t\t\t\t\t//console.log('b', i,j, i-1, k,vertices.length);\n\n\t\t\t\t\tfor ( let s = 0, sl = ( steps + bevelSegments * 2 ); s < sl; s ++ ) {\n\n\t\t\t\t\t\tconst slen1 = vlen * s;\n\t\t\t\t\t\tconst slen2 = vlen * ( s + 1 );\n\n\t\t\t\t\t\tconst a = layeroffset + j + slen1,\n\t\t\t\t\t\t\tb = layeroffset + k + slen1,\n\t\t\t\t\t\t\tc = layeroffset + k + slen2,\n\t\t\t\t\t\t\td = layeroffset + j + slen2;\n\n\t\t\t\t\t\tf4( a, b, c, d );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction v( x, y, z ) {\n\n\t\t\t\tplaceholder.push( x );\n\t\t\t\tplaceholder.push( y );\n\t\t\t\tplaceholder.push( z );\n\n\t\t\t}\n\n\n\t\t\tfunction f3( a, b, c ) {\n\n\t\t\t\taddVertex( a );\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( c );\n\n\t\t\t\tconst nextIndex = verticesArray.length / 3;\n\t\t\t\tconst uvs = uvgen.generateTopUV( scope, verticesArray, nextIndex - 3, nextIndex - 2, nextIndex - 1 );\n\n\t\t\t\taddUV( uvs[ 0 ] );\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 2 ] );\n\n\t\t\t}\n\n\t\t\tfunction f4( a, b, c, d ) {\n\n\t\t\t\taddVertex( a );\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( d );\n\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( c );\n\t\t\t\taddVertex( d );\n\n\n\t\t\t\tconst nextIndex = verticesArray.length / 3;\n\t\t\t\tconst uvs = uvgen.generateSideWallUV( scope, verticesArray, nextIndex - 6, nextIndex - 3, nextIndex - 2, nextIndex - 1 );\n\n\t\t\t\taddUV( uvs[ 0 ] );\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 3 ] );\n\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 2 ] );\n\t\t\t\taddUV( uvs[ 3 ] );\n\n\t\t\t}\n\n\t\t\tfunction addVertex( index ) {\n\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 0 ] );\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 1 ] );\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 2 ] );\n\n\t\t\t}\n\n\n\t\t\tfunction addUV( vector2 ) {\n\n\t\t\t\tuvArray.push( vector2.x );\n\t\t\t\tuvArray.push( vector2.y );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tconst shapes = this.parameters.shapes;\n\t\tconst options = this.parameters.options;\n\n\t\treturn toJSON$1( shapes, options, data );\n\n\t}\n\n\tstatic fromJSON( data, shapes ) {\n\n\t\tconst geometryShapes = [];\n\n\t\tfor ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) {\n\n\t\t\tconst shape = shapes[ data.shapes[ j ] ];\n\n\t\t\tgeometryShapes.push( shape );\n\n\t\t}\n\n\t\tconst extrudePath = data.options.extrudePath;\n\n\t\tif ( extrudePath !== undefined ) {\n\n\t\t\tdata.options.extrudePath = new Curves[ extrudePath.type ]().fromJSON( extrudePath );\n\n\t\t}\n\n\t\treturn new ExtrudeGeometry( geometryShapes, data.options );\n\n\t}\n\n}\n\nconst WorldUVGenerator = {\n\n\tgenerateTopUV: function ( geometry, vertices, indexA, indexB, indexC ) {\n\n\t\tconst a_x = vertices[ indexA * 3 ];\n\t\tconst a_y = vertices[ indexA * 3 + 1 ];\n\t\tconst b_x = vertices[ indexB * 3 ];\n\t\tconst b_y = vertices[ indexB * 3 + 1 ];\n\t\tconst c_x = vertices[ indexC * 3 ];\n\t\tconst c_y = vertices[ indexC * 3 + 1 ];\n\n\t\treturn [\n\t\t\tnew Vector2( a_x, a_y ),\n\t\t\tnew Vector2( b_x, b_y ),\n\t\t\tnew Vector2( c_x, c_y )\n\t\t];\n\n\t},\n\n\tgenerateSideWallUV: function ( geometry, vertices, indexA, indexB, indexC, indexD ) {\n\n\t\tconst a_x = vertices[ indexA * 3 ];\n\t\tconst a_y = vertices[ indexA * 3 + 1 ];\n\t\tconst a_z = vertices[ indexA * 3 + 2 ];\n\t\tconst b_x = vertices[ indexB * 3 ];\n\t\tconst b_y = vertices[ indexB * 3 + 1 ];\n\t\tconst b_z = vertices[ indexB * 3 + 2 ];\n\t\tconst c_x = vertices[ indexC * 3 ];\n\t\tconst c_y = vertices[ indexC * 3 + 1 ];\n\t\tconst c_z = vertices[ indexC * 3 + 2 ];\n\t\tconst d_x = vertices[ indexD * 3 ];\n\t\tconst d_y = vertices[ indexD * 3 + 1 ];\n\t\tconst d_z = vertices[ indexD * 3 + 2 ];\n\n\t\tif ( Math.abs( a_y - b_y ) < Math.abs( a_x - b_x ) ) {\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a_x, 1 - a_z ),\n\t\t\t\tnew Vector2( b_x, 1 - b_z ),\n\t\t\t\tnew Vector2( c_x, 1 - c_z ),\n\t\t\t\tnew Vector2( d_x, 1 - d_z )\n\t\t\t];\n\n\t\t} else {\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a_y, 1 - a_z ),\n\t\t\t\tnew Vector2( b_y, 1 - b_z ),\n\t\t\t\tnew Vector2( c_y, 1 - c_z ),\n\t\t\t\tnew Vector2( d_y, 1 - d_z )\n\t\t\t];\n\n\t\t}\n\n\t}\n\n};\n\nfunction toJSON$1( shapes, options, data ) {\n\n\tdata.shapes = [];\n\n\tif ( Array.isArray( shapes ) ) {\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\n\t\t\tdata.shapes.push( shape.uuid );\n\n\t\t}\n\n\t} else {\n\n\t\tdata.shapes.push( shapes.uuid );\n\n\t}\n\n\tdata.options = Object.assign( {}, options );\n\n\tif ( options.extrudePath !== undefined ) data.options.extrudePath = options.extrudePath.toJSON();\n\n\treturn data;\n\n}\n\nclass IcosahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\n\t\tconst vertices = [\n\t\t\t- 1, t, 0, \t1, t, 0, \t- 1, - t, 0, \t1, - t, 0,\n\t\t\t0, - 1, t, \t0, 1, t,\t0, - 1, - t, \t0, 1, - t,\n\t\t\tt, 0, - 1, \tt, 0, 1, \t- t, 0, - 1, \t- t, 0, 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t0, 11, 5, \t0, 5, 1, \t0, 1, 7, \t0, 7, 10, \t0, 10, 11,\n\t\t\t1, 5, 9, \t5, 11, 4,\t11, 10, 2,\t10, 7, 6,\t7, 1, 8,\n\t\t\t3, 9, 4, \t3, 4, 2,\t3, 2, 6,\t3, 6, 8,\t3, 8, 9,\n\t\t\t4, 9, 5, \t2, 4, 11,\t6, 2, 10,\t8, 6, 7,\t9, 8, 1\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'IcosahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new IcosahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nclass OctahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst vertices = [\n\t\t\t1, 0, 0, \t- 1, 0, 0,\t0, 1, 0,\n\t\t\t0, - 1, 0, \t0, 0, 1,\t0, 0, - 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t0, 2, 4,\t0, 4, 3,\t0, 3, 5,\n\t\t\t0, 5, 2,\t1, 2, 5,\t1, 5, 3,\n\t\t\t1, 3, 4,\t1, 4, 2\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'OctahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new OctahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nclass PlaneGeometry extends BufferGeometry {\n\n\tconstructor( width = 1, height = 1, widthSegments = 1, heightSegments = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'PlaneGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tconst width_half = width / 2;\n\t\tconst height_half = height / 2;\n\n\t\tconst gridX = Math.floor( widthSegments );\n\t\tconst gridY = Math.floor( heightSegments );\n\n\t\tconst gridX1 = gridX + 1;\n\t\tconst gridY1 = gridY + 1;\n\n\t\tconst segment_width = width / gridX;\n\t\tconst segment_height = height / gridY;\n\n\t\t//\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\tfor ( let iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\tconst y = iy * segment_height - height_half;\n\n\t\t\tfor ( let ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\tconst x = ix * segment_width - width_half;\n\n\t\t\t\tvertices.push( x, - y, 0 );\n\n\t\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t\tuvs.push( ix / gridX );\n\t\t\t\tuvs.push( 1 - ( iy / gridY ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfor ( let iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\tfor ( let ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\tconst a = ix + gridX1 * iy;\n\t\t\t\tconst b = ix + gridX1 * ( iy + 1 );\n\t\t\t\tconst c = ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\tconst d = ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new PlaneGeometry( data.width, data.height, data.widthSegments, data.heightSegments );\n\n\t}\n\n}\n\nclass RingGeometry extends BufferGeometry {\n\n\tconstructor( innerRadius = 0.5, outerRadius = 1, thetaSegments = 32, phiSegments = 1, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'RingGeometry';\n\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthetaSegments = Math.max( 3, thetaSegments );\n\t\tphiSegments = Math.max( 1, phiSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// some helper variables\n\n\t\tlet radius = innerRadius;\n\t\tconst radiusStep = ( ( outerRadius - innerRadius ) / phiSegments );\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let j = 0; j <= phiSegments; j ++ ) {\n\n\t\t\tfor ( let i = 0; i <= thetaSegments; i ++ ) {\n\n\t\t\t\t// values are generate from the inside of the ring to the outside\n\n\t\t\t\tconst segment = thetaStart + i / thetaSegments * thetaLength;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\t\tvertex.y = radius * Math.sin( segment );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = ( vertex.x / outerRadius + 1 ) / 2;\n\t\t\t\tuv.y = ( vertex.y / outerRadius + 1 ) / 2;\n\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t}\n\n\t\t\t// increase the radius for next row of vertices\n\n\t\t\tradius += radiusStep;\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let j = 0; j < phiSegments; j ++ ) {\n\n\t\t\tconst thetaSegmentLevel = j * ( thetaSegments + 1 );\n\n\t\t\tfor ( let i = 0; i < thetaSegments; i ++ ) {\n\n\t\t\t\tconst segment = i + thetaSegmentLevel;\n\n\t\t\t\tconst a = segment;\n\t\t\t\tconst b = segment + thetaSegments + 1;\n\t\t\t\tconst c = segment + thetaSegments + 2;\n\t\t\t\tconst d = segment + 1;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new RingGeometry( data.innerRadius, data.outerRadius, data.thetaSegments, data.phiSegments, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass ShapeGeometry extends BufferGeometry {\n\n\tconstructor( shapes = new Shape( [ new Vector2( 0, 0.5 ), new Vector2( - 0.5, - 0.5 ), new Vector2( 0.5, - 0.5 ) ] ), curveSegments = 12 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ShapeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tshapes: shapes,\n\t\t\tcurveSegments: curveSegments\n\t\t};\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet groupStart = 0;\n\t\tlet groupCount = 0;\n\n\t\t// allow single and array values for \"shapes\" parameter\n\n\t\tif ( Array.isArray( shapes ) === false ) {\n\n\t\t\taddShape( shapes );\n\n\t\t} else {\n\n\t\t\tfor ( let i = 0; i < shapes.length; i ++ ) {\n\n\t\t\t\taddShape( shapes[ i ] );\n\n\t\t\t\tthis.addGroup( groupStart, groupCount, i ); // enables MultiMaterial support\n\n\t\t\t\tgroupStart += groupCount;\n\t\t\t\tgroupCount = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\n\t\t// helper functions\n\n\t\tfunction addShape( shape ) {\n\n\t\t\tconst indexOffset = vertices.length / 3;\n\t\t\tconst points = shape.extractPoints( curveSegments );\n\n\t\t\tlet shapeVertices = points.shape;\n\t\t\tconst shapeHoles = points.holes;\n\n\t\t\t// check direction of vertices\n\n\t\t\tif ( ShapeUtils.isClockWise( shapeVertices ) === false ) {\n\n\t\t\t\tshapeVertices = shapeVertices.reverse();\n\n\t\t\t}\n\n\t\t\tfor ( let i = 0, l = shapeHoles.length; i < l; i ++ ) {\n\n\t\t\t\tconst shapeHole = shapeHoles[ i ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( shapeHole ) === true ) {\n\n\t\t\t\t\tshapeHoles[ i ] = shapeHole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst faces = ShapeUtils.triangulateShape( shapeVertices, shapeHoles );\n\n\t\t\t// join vertices of inner and outer paths to a single array\n\n\t\t\tfor ( let i = 0, l = shapeHoles.length; i < l; i ++ ) {\n\n\t\t\t\tconst shapeHole = shapeHoles[ i ];\n\t\t\t\tshapeVertices = shapeVertices.concat( shapeHole );\n\n\t\t\t}\n\n\t\t\t// vertices, normals, uvs\n\n\t\t\tfor ( let i = 0, l = shapeVertices.length; i < l; i ++ ) {\n\n\t\t\t\tconst vertex = shapeVertices[ i ];\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, 0 );\n\t\t\t\tnormals.push( 0, 0, 1 );\n\t\t\t\tuvs.push( vertex.x, vertex.y ); // world uvs\n\n\t\t\t}\n\n\t\t\t// indices\n\n\t\t\tfor ( let i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tconst face = faces[ i ];\n\n\t\t\t\tconst a = face[ 0 ] + indexOffset;\n\t\t\t\tconst b = face[ 1 ] + indexOffset;\n\t\t\t\tconst c = face[ 2 ] + indexOffset;\n\n\t\t\t\tindices.push( a, b, c );\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tconst shapes = this.parameters.shapes;\n\n\t\treturn toJSON( shapes, data );\n\n\t}\n\n\tstatic fromJSON( data, shapes ) {\n\n\t\tconst geometryShapes = [];\n\n\t\tfor ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) {\n\n\t\t\tconst shape = shapes[ data.shapes[ j ] ];\n\n\t\t\tgeometryShapes.push( shape );\n\n\t\t}\n\n\t\treturn new ShapeGeometry( geometryShapes, data.curveSegments );\n\n\t}\n\n}\n\nfunction toJSON( shapes, data ) {\n\n\tdata.shapes = [];\n\n\tif ( Array.isArray( shapes ) ) {\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\n\t\t\tdata.shapes.push( shape.uuid );\n\n\t\t}\n\n\t} else {\n\n\t\tdata.shapes.push( shapes.uuid );\n\n\t}\n\n\treturn data;\n\n}\n\nclass SphereGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, widthSegments = 32, heightSegments = 16, phiStart = 0, phiLength = Math.PI * 2, thetaStart = 0, thetaLength = Math.PI ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'SphereGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\twidthSegments = Math.max( 3, Math.floor( widthSegments ) );\n\t\theightSegments = Math.max( 2, Math.floor( heightSegments ) );\n\n\t\tconst thetaEnd = Math.min( thetaStart + thetaLength, Math.PI );\n\n\t\tlet index = 0;\n\t\tconst grid = [];\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let iy = 0; iy <= heightSegments; iy ++ ) {\n\n\t\t\tconst verticesRow = [];\n\n\t\t\tconst v = iy / heightSegments;\n\n\t\t\t// special case for the poles\n\n\t\t\tlet uOffset = 0;\n\n\t\t\tif ( iy === 0 && thetaStart === 0 ) {\n\n\t\t\t\tuOffset = 0.5 / widthSegments;\n\n\t\t\t} else if ( iy === heightSegments && thetaEnd === Math.PI ) {\n\n\t\t\t\tuOffset = - 0.5 / widthSegments;\n\n\t\t\t}\n\n\t\t\tfor ( let ix = 0; ix <= widthSegments; ix ++ ) {\n\n\t\t\t\tconst u = ix / widthSegments;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\t\t\t\tvertex.y = radius * Math.cos( thetaStart + v * thetaLength );\n\t\t\t\tvertex.z = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.copy( vertex ).normalize();\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( u + uOffset, 1 - v );\n\n\t\t\t\tverticesRow.push( index ++ );\n\n\t\t\t}\n\n\t\t\tgrid.push( verticesRow );\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let iy = 0; iy < heightSegments; iy ++ ) {\n\n\t\t\tfor ( let ix = 0; ix < widthSegments; ix ++ ) {\n\n\t\t\t\tconst a = grid[ iy ][ ix + 1 ];\n\t\t\t\tconst b = grid[ iy ][ ix ];\n\t\t\t\tconst c = grid[ iy + 1 ][ ix ];\n\t\t\t\tconst d = grid[ iy + 1 ][ ix + 1 ];\n\n\t\t\t\tif ( iy !== 0 || thetaStart > 0 ) indices.push( a, b, d );\n\t\t\t\tif ( iy !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new SphereGeometry( data.radius, data.widthSegments, data.heightSegments, data.phiStart, data.phiLength, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass TetrahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst vertices = [\n\t\t\t1, 1, 1, \t- 1, - 1, 1, \t- 1, 1, - 1, \t1, - 1, - 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t2, 1, 0, \t0, 3, 2,\t1, 3, 0,\t2, 3, 1\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'TetrahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new TetrahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nclass TorusGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, tube = 0.4, radialSegments = 12, tubularSegments = 48, arc = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'TorusGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tradialSegments = Math.floor( radialSegments );\n\t\ttubularSegments = Math.floor( tubularSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst center = new Vector3();\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( let i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tconst u = i / tubularSegments * arc;\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u );\n\t\t\t\tvertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u );\n\t\t\t\tvertex.z = tube * Math.sin( v );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tcenter.x = radius * Math.cos( u );\n\t\t\t\tcenter.y = radius * Math.sin( u );\n\t\t\t\tnormal.subVectors( vertex, center ).normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( i / tubularSegments );\n\t\t\t\tuvs.push( j / radialSegments );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( let j = 1; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( let i = 1; i <= tubularSegments; i ++ ) {\n\n\t\t\t\t// indices\n\n\t\t\t\tconst a = ( tubularSegments + 1 ) * j + i - 1;\n\t\t\t\tconst b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1;\n\t\t\t\tconst c = ( tubularSegments + 1 ) * ( j - 1 ) + i;\n\t\t\t\tconst d = ( tubularSegments + 1 ) * j + i;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new TorusGeometry( data.radius, data.tube, data.radialSegments, data.tubularSegments, data.arc );\n\n\t}\n\n}\n\nclass TorusKnotGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, tube = 0.4, tubularSegments = 64, radialSegments = 8, p = 2, q = 3 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'TorusKnotGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\ttubularSegments = Math.floor( tubularSegments );\n\t\tradialSegments = Math.floor( radialSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\tconst P1 = new Vector3();\n\t\tconst P2 = new Vector3();\n\n\t\tconst B = new Vector3();\n\t\tconst T = new Vector3();\n\t\tconst N = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let i = 0; i <= tubularSegments; ++ i ) {\n\n\t\t\t// the radian \"u\" is used to calculate the position on the torus curve of the current tubular segment\n\n\t\t\tconst u = i / tubularSegments * p * Math.PI * 2;\n\n\t\t\t// now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead.\n\t\t\t// these points are used to create a special \"coordinate space\", which is necessary to calculate the correct vertex positions\n\n\t\t\tcalculatePositionOnCurve( u, p, q, radius, P1 );\n\t\t\tcalculatePositionOnCurve( u + 0.01, p, q, radius, P2 );\n\n\t\t\t// calculate orthonormal basis\n\n\t\t\tT.subVectors( P2, P1 );\n\t\t\tN.addVectors( P2, P1 );\n\t\t\tB.crossVectors( T, N );\n\t\t\tN.crossVectors( B, T );\n\n\t\t\t// normalize B, N. T can be ignored, we don't use it\n\n\t\t\tB.normalize();\n\t\t\tN.normalize();\n\n\t\t\tfor ( let j = 0; j <= radialSegments; ++ j ) {\n\n\t\t\t\t// now calculate the vertices. they are nothing more than an extrusion of the torus curve.\n\t\t\t\t// because we extrude a shape in the xy-plane, there is no need to calculate a z-value.\n\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\t\t\t\tconst cx = - tube * Math.cos( v );\n\t\t\t\tconst cy = tube * Math.sin( v );\n\n\t\t\t\t// now calculate the final vertex position.\n\t\t\t\t// first we orient the extrusion with our basis vectors, then we add it to the current position on the curve\n\n\t\t\t\tvertex.x = P1.x + ( cx * N.x + cy * B.x );\n\t\t\t\tvertex.y = P1.y + ( cx * N.y + cy * B.y );\n\t\t\t\tvertex.z = P1.z + ( cx * N.z + cy * B.z );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal)\n\n\t\t\t\tnormal.subVectors( vertex, P1 ).normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( i / tubularSegments );\n\t\t\t\tuvs.push( j / radialSegments );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( let j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\tfor ( let i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t// indices\n\n\t\t\t\tconst a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\tconst b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\tconst c = ( radialSegments + 1 ) * j + i;\n\t\t\t\tconst d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\t// this function calculates the current position on the torus curve\n\n\t\tfunction calculatePositionOnCurve( u, p, q, radius, position ) {\n\n\t\t\tconst cu = Math.cos( u );\n\t\t\tconst su = Math.sin( u );\n\t\t\tconst quOverP = q / p * u;\n\t\t\tconst cs = Math.cos( quOverP );\n\n\t\t\tposition.x = radius * ( 2 + cs ) * 0.5 * cu;\n\t\t\tposition.y = radius * ( 2 + cs ) * su * 0.5;\n\t\t\tposition.z = radius * Math.sin( quOverP ) * 0.5;\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new TorusKnotGeometry( data.radius, data.tube, data.tubularSegments, data.radialSegments, data.p, data.q );\n\n\t}\n\n}\n\nclass TubeGeometry extends BufferGeometry {\n\n\tconstructor( path = new QuadraticBezierCurve3( new Vector3( - 1, - 1, 0 ), new Vector3( - 1, 1, 0 ), new Vector3( 1, 1, 0 ) ), tubularSegments = 64, radius = 1, radialSegments = 8, closed = false ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'TubeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\tconst frames = path.computeFrenetFrames( tubularSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = frames.tangents;\n\t\tthis.normals = frames.normals;\n\t\tthis.binormals = frames.binormals;\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\t\tconst uv = new Vector2();\n\t\tlet P = new Vector3();\n\n\t\t// buffer\n\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\t\tconst indices = [];\n\n\t\t// create buffer data\n\n\t\tgenerateBufferData();\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\t// functions\n\n\t\tfunction generateBufferData() {\n\n\t\t\tfor ( let i = 0; i < tubularSegments; i ++ ) {\n\n\t\t\t\tgenerateSegment( i );\n\n\t\t\t}\n\n\t\t\t// if the geometry is not closed, generate the last row of vertices and normals\n\t\t\t// at the regular position on the given path\n\t\t\t//\n\t\t\t// if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ)\n\n\t\t\tgenerateSegment( ( closed === false ) ? tubularSegments : 0 );\n\n\t\t\t// uvs are generated in a separate function.\n\t\t\t// this makes it easy compute correct values for closed geometries\n\n\t\t\tgenerateUVs();\n\n\t\t\t// finally create faces\n\n\t\t\tgenerateIndices();\n\n\t\t}\n\n\t\tfunction generateSegment( i ) {\n\n\t\t\t// we use getPointAt to sample evenly distributed points from the given path\n\n\t\t\tP = path.getPointAt( i / tubularSegments, P );\n\n\t\t\t// retrieve corresponding normal and binormal\n\n\t\t\tconst N = frames.normals[ i ];\n\t\t\tconst B = frames.binormals[ i ];\n\n\t\t\t// generate normals and vertices for the current segment\n\n\t\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\tconst sin = Math.sin( v );\n\t\t\t\tconst cos = - Math.cos( v );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.x = ( cos * N.x + sin * B.x );\n\t\t\t\tnormal.y = ( cos * N.y + sin * B.y );\n\t\t\t\tnormal.z = ( cos * N.z + sin * B.z );\n\t\t\t\tnormal.normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = P.x + radius * normal.x;\n\t\t\t\tvertex.y = P.y + radius * normal.y;\n\t\t\t\tvertex.z = P.z + radius * normal.z;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateIndices() {\n\n\t\t\tfor ( let j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\t\tfor ( let i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t\tconst a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\t\tconst b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\t\tconst c = ( radialSegments + 1 ) * j + i;\n\t\t\t\t\tconst d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tfor ( let i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\t\tuv.y = j / radialSegments;\n\n\t\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.path = this.parameters.path.toJSON();\n\n\t\treturn data;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\t// This only works for built-in curves (e.g. CatmullRomCurve3).\n\t\t// User defined curves or instances of CurvePath will not be deserialized.\n\t\treturn new TubeGeometry(\n\t\t\tnew Curves[ data.path.type ]().fromJSON( data.path ),\n\t\t\tdata.tubularSegments,\n\t\t\tdata.radius,\n\t\t\tdata.radialSegments,\n\t\t\tdata.closed\n\t\t);\n\n\t}\n\n}\n\nclass WireframeGeometry extends BufferGeometry {\n\n\tconstructor( geometry = null ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'WireframeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tgeometry: geometry\n\t\t};\n\n\t\tif ( geometry !== null ) {\n\n\t\t\t// buffer\n\n\t\t\tconst vertices = [];\n\t\t\tconst edges = new Set();\n\n\t\t\t// helper variables\n\n\t\t\tconst start = new Vector3();\n\t\t\tconst end = new Vector3();\n\n\t\t\tif ( geometry.index !== null ) {\n\n\t\t\t\t// indexed BufferGeometry\n\n\t\t\t\tconst position = geometry.attributes.position;\n\t\t\t\tconst indices = geometry.index;\n\t\t\t\tlet groups = geometry.groups;\n\n\t\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\t\tgroups = [ { start: 0, count: indices.count, materialIndex: 0 } ];\n\n\t\t\t\t}\n\n\t\t\t\t// create a data structure that contains all edges without duplicates\n\n\t\t\t\tfor ( let o = 0, ol = groups.length; o < ol; ++ o ) {\n\n\t\t\t\t\tconst group = groups[ o ];\n\n\t\t\t\t\tconst groupStart = group.start;\n\t\t\t\t\tconst groupCount = group.count;\n\n\t\t\t\t\tfor ( let i = groupStart, l = ( groupStart + groupCount ); i < l; i += 3 ) {\n\n\t\t\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t\tconst index1 = indices.getX( i + j );\n\t\t\t\t\t\t\tconst index2 = indices.getX( i + ( j + 1 ) % 3 );\n\n\t\t\t\t\t\t\tstart.fromBufferAttribute( position, index1 );\n\t\t\t\t\t\t\tend.fromBufferAttribute( position, index2 );\n\n\t\t\t\t\t\t\tif ( isUniqueEdge( start, end, edges ) === true ) {\n\n\t\t\t\t\t\t\t\tvertices.push( start.x, start.y, start.z );\n\t\t\t\t\t\t\t\tvertices.push( end.x, end.y, end.z );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed BufferGeometry\n\n\t\t\t\tconst position = geometry.attributes.position;\n\n\t\t\t\tfor ( let i = 0, l = ( position.count / 3 ); i < l; i ++ ) {\n\n\t\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t// three edges per triangle, an edge is represented as (index1, index2)\n\t\t\t\t\t\t// e.g. the first triangle has the following edges: (0,1),(1,2),(2,0)\n\n\t\t\t\t\t\tconst index1 = 3 * i + j;\n\t\t\t\t\t\tconst index2 = 3 * i + ( ( j + 1 ) % 3 );\n\n\t\t\t\t\t\tstart.fromBufferAttribute( position, index1 );\n\t\t\t\t\t\tend.fromBufferAttribute( position, index2 );\n\n\t\t\t\t\t\tif ( isUniqueEdge( start, end, edges ) === true ) {\n\n\t\t\t\t\t\t\tvertices.push( start.x, start.y, start.z );\n\t\t\t\t\t\t\tvertices.push( end.x, end.y, end.z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// build geometry\n\n\t\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n}\n\nfunction isUniqueEdge( start, end, edges ) {\n\n\tconst hash1 = `${start.x},${start.y},${start.z}-${end.x},${end.y},${end.z}`;\n\tconst hash2 = `${end.x},${end.y},${end.z}-${start.x},${start.y},${start.z}`; // coincident edge\n\n\tif ( edges.has( hash1 ) === true || edges.has( hash2 ) === true ) {\n\n\t\treturn false;\n\n\t} else {\n\n\t\tedges.add( hash1 );\n\t\tedges.add( hash2 );\n\t\treturn true;\n\n\t}\n\n}\n\nvar Geometries = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tBoxGeometry: BoxGeometry,\n\tCapsuleGeometry: CapsuleGeometry,\n\tCircleGeometry: CircleGeometry,\n\tConeGeometry: ConeGeometry,\n\tCylinderGeometry: CylinderGeometry,\n\tDodecahedronGeometry: DodecahedronGeometry,\n\tEdgesGeometry: EdgesGeometry,\n\tExtrudeGeometry: ExtrudeGeometry,\n\tIcosahedronGeometry: IcosahedronGeometry,\n\tLatheGeometry: LatheGeometry,\n\tOctahedronGeometry: OctahedronGeometry,\n\tPlaneGeometry: PlaneGeometry,\n\tPolyhedronGeometry: PolyhedronGeometry,\n\tRingGeometry: RingGeometry,\n\tShapeGeometry: ShapeGeometry,\n\tSphereGeometry: SphereGeometry,\n\tTetrahedronGeometry: TetrahedronGeometry,\n\tTorusGeometry: TorusGeometry,\n\tTorusKnotGeometry: TorusKnotGeometry,\n\tTubeGeometry: TubeGeometry,\n\tWireframeGeometry: WireframeGeometry\n});\n\nclass ShadowMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isShadowMaterial = true;\n\n\t\tthis.type = 'ShadowMaterial';\n\n\t\tthis.color = new Color( 0x000000 );\n\t\tthis.transparent = true;\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass RawShaderMaterial extends ShaderMaterial {\n\n\tconstructor( parameters ) {\n\n\t\tsuper( parameters );\n\n\t\tthis.isRawShaderMaterial = true;\n\n\t\tthis.type = 'RawShaderMaterial';\n\n\t}\n\n}\n\nclass MeshStandardMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshStandardMaterial = true;\n\n\t\tthis.type = 'MeshStandardMaterial';\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.roughness = 1.0;\n\t\tthis.metalness = 0.0;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.roughnessMap = null;\n\n\t\tthis.metalnessMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.envMapRotation = new Euler();\n\t\tthis.envMapIntensity = 1.0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.flatShading = false;\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.color.copy( source.color );\n\t\tthis.roughness = source.roughness;\n\t\tthis.metalness = source.metalness;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.roughnessMap = source.roughnessMap;\n\n\t\tthis.metalnessMap = source.metalnessMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapRotation.copy( source.envMapRotation );\n\t\tthis.envMapIntensity = source.envMapIntensity;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshPhysicalMaterial extends MeshStandardMaterial {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshPhysicalMaterial = true;\n\n\t\tthis.defines = {\n\n\t\t\t'STANDARD': '',\n\t\t\t'PHYSICAL': ''\n\n\t\t};\n\n\t\tthis.type = 'MeshPhysicalMaterial';\n\n\t\tthis.anisotropyRotation = 0;\n\t\tthis.anisotropyMap = null;\n\n\t\tthis.clearcoatMap = null;\n\t\tthis.clearcoatRoughness = 0.0;\n\t\tthis.clearcoatRoughnessMap = null;\n\t\tthis.clearcoatNormalScale = new Vector2( 1, 1 );\n\t\tthis.clearcoatNormalMap = null;\n\n\t\tthis.ior = 1.5;\n\n\t\tObject.defineProperty( this, 'reflectivity', {\n\t\t\tget: function () {\n\n\t\t\t\treturn ( clamp( 2.5 * ( this.ior - 1 ) / ( this.ior + 1 ), 0, 1 ) );\n\n\t\t\t},\n\t\t\tset: function ( reflectivity ) {\n\n\t\t\t\tthis.ior = ( 1 + 0.4 * reflectivity ) / ( 1 - 0.4 * reflectivity );\n\n\t\t\t}\n\t\t} );\n\n\t\tthis.iridescenceMap = null;\n\t\tthis.iridescenceIOR = 1.3;\n\t\tthis.iridescenceThicknessRange = [ 100, 400 ];\n\t\tthis.iridescenceThicknessMap = null;\n\n\t\tthis.sheenColor = new Color( 0x000000 );\n\t\tthis.sheenColorMap = null;\n\t\tthis.sheenRoughness = 1.0;\n\t\tthis.sheenRoughnessMap = null;\n\n\t\tthis.transmissionMap = null;\n\n\t\tthis.thickness = 0;\n\t\tthis.thicknessMap = null;\n\t\tthis.attenuationDistance = Infinity;\n\t\tthis.attenuationColor = new Color( 1, 1, 1 );\n\n\t\tthis.specularIntensity = 1.0;\n\t\tthis.specularIntensityMap = null;\n\t\tthis.specularColor = new Color( 1, 1, 1 );\n\t\tthis.specularColorMap = null;\n\n\t\tthis._anisotropy = 0;\n\t\tthis._clearcoat = 0;\n\t\tthis._dispersion = 0;\n\t\tthis._iridescence = 0;\n\t\tthis._sheen = 0.0;\n\t\tthis._transmission = 0;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tget anisotropy() {\n\n\t\treturn this._anisotropy;\n\n\t}\n\n\tset anisotropy( value ) {\n\n\t\tif ( this._anisotropy > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._anisotropy = value;\n\n\t}\n\n\tget clearcoat() {\n\n\t\treturn this._clearcoat;\n\n\t}\n\n\tset clearcoat( value ) {\n\n\t\tif ( this._clearcoat > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._clearcoat = value;\n\n\t}\n\n\tget iridescence() {\n\n\t\treturn this._iridescence;\n\n\t}\n\n\tset iridescence( value ) {\n\n\t\tif ( this._iridescence > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._iridescence = value;\n\n\t}\n\n\tget dispersion() {\n\n\t\treturn this._dispersion;\n\n\t}\n\n\tset dispersion( value ) {\n\n\t\tif ( this._dispersion > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._dispersion = value;\n\n\t}\n\n\tget sheen() {\n\n\t\treturn this._sheen;\n\n\t}\n\n\tset sheen( value ) {\n\n\t\tif ( this._sheen > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._sheen = value;\n\n\t}\n\n\tget transmission() {\n\n\t\treturn this._transmission;\n\n\t}\n\n\tset transmission( value ) {\n\n\t\tif ( this._transmission > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._transmission = value;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = {\n\n\t\t\t'STANDARD': '',\n\t\t\t'PHYSICAL': ''\n\n\t\t};\n\n\t\tthis.anisotropy = source.anisotropy;\n\t\tthis.anisotropyRotation = source.anisotropyRotation;\n\t\tthis.anisotropyMap = source.anisotropyMap;\n\n\t\tthis.clearcoat = source.clearcoat;\n\t\tthis.clearcoatMap = source.clearcoatMap;\n\t\tthis.clearcoatRoughness = source.clearcoatRoughness;\n\t\tthis.clearcoatRoughnessMap = source.clearcoatRoughnessMap;\n\t\tthis.clearcoatNormalMap = source.clearcoatNormalMap;\n\t\tthis.clearcoatNormalScale.copy( source.clearcoatNormalScale );\n\n\t\tthis.dispersion = source.dispersion;\n\t\tthis.ior = source.ior;\n\n\t\tthis.iridescence = source.iridescence;\n\t\tthis.iridescenceMap = source.iridescenceMap;\n\t\tthis.iridescenceIOR = source.iridescenceIOR;\n\t\tthis.iridescenceThicknessRange = [ ...source.iridescenceThicknessRange ];\n\t\tthis.iridescenceThicknessMap = source.iridescenceThicknessMap;\n\n\t\tthis.sheen = source.sheen;\n\t\tthis.sheenColor.copy( source.sheenColor );\n\t\tthis.sheenColorMap = source.sheenColorMap;\n\t\tthis.sheenRoughness = source.sheenRoughness;\n\t\tthis.sheenRoughnessMap = source.sheenRoughnessMap;\n\n\t\tthis.transmission = source.transmission;\n\t\tthis.transmissionMap = source.transmissionMap;\n\n\t\tthis.thickness = source.thickness;\n\t\tthis.thicknessMap = source.thicknessMap;\n\t\tthis.attenuationDistance = source.attenuationDistance;\n\t\tthis.attenuationColor.copy( source.attenuationColor );\n\n\t\tthis.specularIntensity = source.specularIntensity;\n\t\tthis.specularIntensityMap = source.specularIntensityMap;\n\t\tthis.specularColor.copy( source.specularColor );\n\t\tthis.specularColorMap = source.specularColorMap;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshPhongMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshPhongMaterial = true;\n\n\t\tthis.type = 'MeshPhongMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.specular = new Color( 0x111111 );\n\t\tthis.shininess = 30;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.envMapRotation = new Euler();\n\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.flatShading = false;\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.specular.copy( source.specular );\n\t\tthis.shininess = source.shininess;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapRotation.copy( source.envMapRotation );\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshToonMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshToonMaterial = true;\n\n\t\tthis.defines = { 'TOON': '' };\n\n\t\tthis.type = 'MeshToonMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\t\tthis.gradientMap = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\t\tthis.gradientMap = source.gradientMap;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshNormalMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshNormalMaterial = true;\n\n\t\tthis.type = 'MeshNormalMaterial';\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.flatShading = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshLambertMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshLambertMaterial = true;\n\n\t\tthis.type = 'MeshLambertMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.envMapRotation = new Euler();\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.flatShading = false;\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapRotation.copy( source.envMapRotation );\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshDepthMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshDepthMaterial = true;\n\n\t\tthis.type = 'MeshDepthMaterial';\n\n\t\tthis.depthPacking = BasicDepthPacking;\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.depthPacking = source.depthPacking;\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshDistanceMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshDistanceMaterial = true;\n\n\t\tthis.type = 'MeshDistanceMaterial';\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshMatcapMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshMatcapMaterial = true;\n\n\t\tthis.defines = { 'MATCAP': '' };\n\n\t\tthis.type = 'MeshMatcapMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\tthis.matcap = null;\n\n\t\tthis.map = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.flatShading = false;\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = { 'MATCAP': '' };\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.matcap = source.matcap;\n\n\t\tthis.map = source.map;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass LineDashedMaterial extends LineBasicMaterial {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isLineDashedMaterial = true;\n\t\tthis.type = 'LineDashedMaterial';\n\n\t\tthis.scale = 1;\n\t\tthis.dashSize = 3;\n\t\tthis.gapSize = 1;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.scale = source.scale;\n\t\tthis.dashSize = source.dashSize;\n\t\tthis.gapSize = source.gapSize;\n\n\t\treturn this;\n\n\t}\n\n}\n\n// converts an array to a specific type\nfunction convertArray( array, type, forceClone ) {\n\n\tif ( ! array || // let 'undefined' and 'null' pass\n\t\t! forceClone && array.constructor === type ) return array;\n\n\tif ( typeof type.BYTES_PER_ELEMENT === 'number' ) {\n\n\t\treturn new type( array ); // create typed array\n\n\t}\n\n\treturn Array.prototype.slice.call( array ); // create Array\n\n}\n\nfunction isTypedArray( object ) {\n\n\treturn ArrayBuffer.isView( object ) &&\n\t\t! ( object instanceof DataView );\n\n}\n\n// returns an array by which times and values can be sorted\nfunction getKeyframeOrder( times ) {\n\n\tfunction compareTime( i, j ) {\n\n\t\treturn times[ i ] - times[ j ];\n\n\t}\n\n\tconst n = times.length;\n\tconst result = new Array( n );\n\tfor ( let i = 0; i !== n; ++ i ) result[ i ] = i;\n\n\tresult.sort( compareTime );\n\n\treturn result;\n\n}\n\n// uses the array previously returned by 'getKeyframeOrder' to sort data\nfunction sortedArray( values, stride, order ) {\n\n\tconst nValues = values.length;\n\tconst result = new values.constructor( nValues );\n\n\tfor ( let i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) {\n\n\t\tconst srcOffset = order[ i ] * stride;\n\n\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\tresult[ dstOffset ++ ] = values[ srcOffset + j ];\n\n\t\t}\n\n\t}\n\n\treturn result;\n\n}\n\n// function for parsing AOS keyframe formats\nfunction flattenJSON( jsonKeys, times, values, valuePropertyName ) {\n\n\tlet i = 1, key = jsonKeys[ 0 ];\n\n\twhile ( key !== undefined && key[ valuePropertyName ] === undefined ) {\n\n\t\tkey = jsonKeys[ i ++ ];\n\n\t}\n\n\tif ( key === undefined ) return; // no data\n\n\tlet value = key[ valuePropertyName ];\n\tif ( value === undefined ) return; // no data\n\n\tif ( Array.isArray( value ) ) {\n\n\t\tdo {\n\n\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\tif ( value !== undefined ) {\n\n\t\t\t\ttimes.push( key.time );\n\t\t\t\tvalues.push.apply( values, value ); // push all elements\n\n\t\t\t}\n\n\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t} while ( key !== undefined );\n\n\t} else if ( value.toArray !== undefined ) {\n\n\t\t// ...assume THREE.Math-ish\n\n\t\tdo {\n\n\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\tif ( value !== undefined ) {\n\n\t\t\t\ttimes.push( key.time );\n\t\t\t\tvalue.toArray( values, values.length );\n\n\t\t\t}\n\n\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t} while ( key !== undefined );\n\n\t} else {\n\n\t\t// otherwise push as-is\n\n\t\tdo {\n\n\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\tif ( value !== undefined ) {\n\n\t\t\t\ttimes.push( key.time );\n\t\t\t\tvalues.push( value );\n\n\t\t\t}\n\n\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t} while ( key !== undefined );\n\n\t}\n\n}\n\nfunction subclip( sourceClip, name, startFrame, endFrame, fps = 30 ) {\n\n\tconst clip = sourceClip.clone();\n\n\tclip.name = name;\n\n\tconst tracks = [];\n\n\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\tconst track = clip.tracks[ i ];\n\t\tconst valueSize = track.getValueSize();\n\n\t\tconst times = [];\n\t\tconst values = [];\n\n\t\tfor ( let j = 0; j < track.times.length; ++ j ) {\n\n\t\t\tconst frame = track.times[ j ] * fps;\n\n\t\t\tif ( frame < startFrame || frame >= endFrame ) continue;\n\n\t\t\ttimes.push( track.times[ j ] );\n\n\t\t\tfor ( let k = 0; k < valueSize; ++ k ) {\n\n\t\t\t\tvalues.push( track.values[ j * valueSize + k ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( times.length === 0 ) continue;\n\n\t\ttrack.times = convertArray( times, track.times.constructor );\n\t\ttrack.values = convertArray( values, track.values.constructor );\n\n\t\ttracks.push( track );\n\n\t}\n\n\tclip.tracks = tracks;\n\n\t// find minimum .times value across all tracks in the trimmed clip\n\n\tlet minStartTime = Infinity;\n\n\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\tif ( minStartTime > clip.tracks[ i ].times[ 0 ] ) {\n\n\t\t\tminStartTime = clip.tracks[ i ].times[ 0 ];\n\n\t\t}\n\n\t}\n\n\t// shift all tracks such that clip begins at t=0\n\n\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\tclip.tracks[ i ].shift( - 1 * minStartTime );\n\n\t}\n\n\tclip.resetDuration();\n\n\treturn clip;\n\n}\n\nfunction makeClipAdditive( targetClip, referenceFrame = 0, referenceClip = targetClip, fps = 30 ) {\n\n\tif ( fps <= 0 ) fps = 30;\n\n\tconst numTracks = referenceClip.tracks.length;\n\tconst referenceTime = referenceFrame / fps;\n\n\t// Make each track's values relative to the values at the reference frame\n\tfor ( let i = 0; i < numTracks; ++ i ) {\n\n\t\tconst referenceTrack = referenceClip.tracks[ i ];\n\t\tconst referenceTrackType = referenceTrack.ValueTypeName;\n\n\t\t// Skip this track if it's non-numeric\n\t\tif ( referenceTrackType === 'bool' || referenceTrackType === 'string' ) continue;\n\n\t\t// Find the track in the target clip whose name and type matches the reference track\n\t\tconst targetTrack = targetClip.tracks.find( function ( track ) {\n\n\t\t\treturn track.name === referenceTrack.name\n\t\t\t\t&& track.ValueTypeName === referenceTrackType;\n\n\t\t} );\n\n\t\tif ( targetTrack === undefined ) continue;\n\n\t\tlet referenceOffset = 0;\n\t\tconst referenceValueSize = referenceTrack.getValueSize();\n\n\t\tif ( referenceTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline ) {\n\n\t\t\treferenceOffset = referenceValueSize / 3;\n\n\t\t}\n\n\t\tlet targetOffset = 0;\n\t\tconst targetValueSize = targetTrack.getValueSize();\n\n\t\tif ( targetTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline ) {\n\n\t\t\ttargetOffset = targetValueSize / 3;\n\n\t\t}\n\n\t\tconst lastIndex = referenceTrack.times.length - 1;\n\t\tlet referenceValue;\n\n\t\t// Find the value to subtract out of the track\n\t\tif ( referenceTime <= referenceTrack.times[ 0 ] ) {\n\n\t\t\t// Reference frame is earlier than the first keyframe, so just use the first keyframe\n\t\t\tconst startIndex = referenceOffset;\n\t\t\tconst endIndex = referenceValueSize - referenceOffset;\n\t\t\treferenceValue = referenceTrack.values.slice( startIndex, endIndex );\n\n\t\t} else if ( referenceTime >= referenceTrack.times[ lastIndex ] ) {\n\n\t\t\t// Reference frame is after the last keyframe, so just use the last keyframe\n\t\t\tconst startIndex = lastIndex * referenceValueSize + referenceOffset;\n\t\t\tconst endIndex = startIndex + referenceValueSize - referenceOffset;\n\t\t\treferenceValue = referenceTrack.values.slice( startIndex, endIndex );\n\n\t\t} else {\n\n\t\t\t// Interpolate to the reference value\n\t\t\tconst interpolant = referenceTrack.createInterpolant();\n\t\t\tconst startIndex = referenceOffset;\n\t\t\tconst endIndex = referenceValueSize - referenceOffset;\n\t\t\tinterpolant.evaluate( referenceTime );\n\t\t\treferenceValue = interpolant.resultBuffer.slice( startIndex, endIndex );\n\n\t\t}\n\n\t\t// Conjugate the quaternion\n\t\tif ( referenceTrackType === 'quaternion' ) {\n\n\t\t\tconst referenceQuat = new Quaternion().fromArray( referenceValue ).normalize().conjugate();\n\t\t\treferenceQuat.toArray( referenceValue );\n\n\t\t}\n\n\t\t// Subtract the reference value from all of the track values\n\n\t\tconst numTimes = targetTrack.times.length;\n\t\tfor ( let j = 0; j < numTimes; ++ j ) {\n\n\t\t\tconst valueStart = j * targetValueSize + targetOffset;\n\n\t\t\tif ( referenceTrackType === 'quaternion' ) {\n\n\t\t\t\t// Multiply the conjugate for quaternion track types\n\t\t\t\tQuaternion.multiplyQuaternionsFlat(\n\t\t\t\t\ttargetTrack.values,\n\t\t\t\t\tvalueStart,\n\t\t\t\t\treferenceValue,\n\t\t\t\t\t0,\n\t\t\t\t\ttargetTrack.values,\n\t\t\t\t\tvalueStart\n\t\t\t\t);\n\n\t\t\t} else {\n\n\t\t\t\tconst valueEnd = targetValueSize - targetOffset * 2;\n\n\t\t\t\t// Subtract each value for all other numeric track types\n\t\t\t\tfor ( let k = 0; k < valueEnd; ++ k ) {\n\n\t\t\t\t\ttargetTrack.values[ valueStart + k ] -= referenceValue[ k ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttargetClip.blendMode = AdditiveAnimationBlendMode;\n\n\treturn targetClip;\n\n}\n\nconst AnimationUtils = {\n\tconvertArray: convertArray,\n\tisTypedArray: isTypedArray,\n\tgetKeyframeOrder: getKeyframeOrder,\n\tsortedArray: sortedArray,\n\tflattenJSON: flattenJSON,\n\tsubclip: subclip,\n\tmakeClipAdditive: makeClipAdditive\n};\n\n/**\n * Abstract base class of interpolants over parametric samples.\n *\n * The parameter domain is one dimensional, typically the time or a path\n * along a curve defined by the data.\n *\n * The sample values can have any dimensionality and derived classes may\n * apply special interpretations to the data.\n *\n * This class provides the interval seek in a Template Method, deferring\n * the actual interpolation to derived classes.\n *\n * Time complexity is O(1) for linear access crossing at most two points\n * and O(log N) for random access, where N is the number of positions.\n *\n * References:\n *\n * \t\thttp://www.oodesign.com/template-method-pattern.html\n *\n */\n\nclass Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tthis.parameterPositions = parameterPositions;\n\t\tthis._cachedIndex = 0;\n\n\t\tthis.resultBuffer = resultBuffer !== undefined ?\n\t\t\tresultBuffer : new sampleValues.constructor( sampleSize );\n\t\tthis.sampleValues = sampleValues;\n\t\tthis.valueSize = sampleSize;\n\n\t\tthis.settings = null;\n\t\tthis.DefaultSettings_ = {};\n\n\t}\n\n\tevaluate( t ) {\n\n\t\tconst pp = this.parameterPositions;\n\t\tlet i1 = this._cachedIndex,\n\t\t\tt1 = pp[ i1 ],\n\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\tvalidate_interval: {\n\n\t\t\tseek: {\n\n\t\t\t\tlet right;\n\n\t\t\t\tlinear_scan: {\n\n\t\t\t\t\t//- See http://jsperf.com/comparison-to-undefined/3\n\t\t\t\t\t//- slower code:\n\t\t\t\t\t//-\n\t\t\t\t\t//- \t\t\t\tif ( t >= t1 || t1 === undefined ) {\n\t\t\t\t\tforward_scan: if ( ! ( t < t1 ) ) {\n\n\t\t\t\t\t\tfor ( let giveUpAt = i1 + 2; ; ) {\n\n\t\t\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\t\t\tif ( t < t0 ) break forward_scan;\n\n\t\t\t\t\t\t\t\t// after end\n\n\t\t\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\t\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\tt0 = t1;\n\t\t\t\t\t\t\tt1 = pp[ ++ i1 ];\n\n\t\t\t\t\t\t\tif ( t < t1 ) {\n\n\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// prepare binary search on the right side of the index\n\t\t\t\t\t\tright = pp.length;\n\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t//- slower code:\n\t\t\t\t\t//-\t\t\t\t\tif ( t < t0 || t0 === undefined ) {\n\t\t\t\t\tif ( ! ( t >= t0 ) ) {\n\n\t\t\t\t\t\t// looping?\n\n\t\t\t\t\t\tconst t1global = pp[ 1 ];\n\n\t\t\t\t\t\tif ( t < t1global ) {\n\n\t\t\t\t\t\t\ti1 = 2; // + 1, using the scan for the details\n\t\t\t\t\t\t\tt0 = t1global;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// linear reverse scan\n\n\t\t\t\t\t\tfor ( let giveUpAt = i1 - 2; ; ) {\n\n\t\t\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\t\t\t// before start\n\n\t\t\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\t\t\treturn this.copySampleValue_( 0 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\tt1 = t0;\n\t\t\t\t\t\t\tt0 = pp[ -- i1 - 1 ];\n\n\t\t\t\t\t\t\tif ( t >= t0 ) {\n\n\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// prepare binary search on the left side of the index\n\t\t\t\t\t\tright = i1;\n\t\t\t\t\t\ti1 = 0;\n\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// the interval is valid\n\n\t\t\t\t\tbreak validate_interval;\n\n\t\t\t\t} // linear scan\n\n\t\t\t\t// binary search\n\n\t\t\t\twhile ( i1 < right ) {\n\n\t\t\t\t\tconst mid = ( i1 + right ) >>> 1;\n\n\t\t\t\t\tif ( t < pp[ mid ] ) {\n\n\t\t\t\t\t\tright = mid;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ti1 = mid + 1;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tt1 = pp[ i1 ];\n\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\t\t// check boundary cases, again\n\n\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\treturn this.copySampleValue_( 0 );\n\n\t\t\t\t}\n\n\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t\t\t\t}\n\n\t\t\t} // seek\n\n\t\t\tthis._cachedIndex = i1;\n\n\t\t\tthis.intervalChanged_( i1, t0, t1 );\n\n\t\t} // validate_interval\n\n\t\treturn this.interpolate_( i1, t0, t, t1 );\n\n\t}\n\n\tgetSettings_() {\n\n\t\treturn this.settings || this.DefaultSettings_;\n\n\t}\n\n\tcopySampleValue_( index ) {\n\n\t\t// copies a sample value to the result buffer\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = index * stride;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] = values[ offset + i ];\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n\t// Template methods for derived classes:\n\n\tinterpolate_( /* i1, t0, t, t1 */ ) {\n\n\t\tthrow new Error( 'call to abstract method' );\n\t\t// implementations shall return this.resultBuffer\n\n\t}\n\n\tintervalChanged_( /* i1, t0, t1 */ ) {\n\n\t\t// empty\n\n\t}\n\n}\n\n/**\n * Fast and simple cubic spline interpolant.\n *\n * It was derived from a Hermitian construction setting the first derivative\n * at each sample position to the linear slope between neighboring positions\n * over their parameter interval.\n */\n\nclass CubicInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t\tthis._weightPrev = - 0;\n\t\tthis._offsetPrev = - 0;\n\t\tthis._weightNext = - 0;\n\t\tthis._offsetNext = - 0;\n\n\t\tthis.DefaultSettings_ = {\n\n\t\t\tendingStart: ZeroCurvatureEnding,\n\t\t\tendingEnd: ZeroCurvatureEnding\n\n\t\t};\n\n\t}\n\n\tintervalChanged_( i1, t0, t1 ) {\n\n\t\tconst pp = this.parameterPositions;\n\t\tlet iPrev = i1 - 2,\n\t\t\tiNext = i1 + 1,\n\n\t\t\ttPrev = pp[ iPrev ],\n\t\t\ttNext = pp[ iNext ];\n\n\t\tif ( tPrev === undefined ) {\n\n\t\t\tswitch ( this.getSettings_().endingStart ) {\n\n\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t// f'(t0) = 0\n\t\t\t\t\tiPrev = i1;\n\t\t\t\t\ttPrev = 2 * t0 - t1;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\tiPrev = pp.length - 2;\n\t\t\t\t\ttPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ];\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t// f''(t0) = 0 a.k.a. Natural Spline\n\t\t\t\t\tiPrev = i1;\n\t\t\t\t\ttPrev = t1;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( tNext === undefined ) {\n\n\t\t\tswitch ( this.getSettings_().endingEnd ) {\n\n\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t// f'(tN) = 0\n\t\t\t\t\tiNext = i1;\n\t\t\t\t\ttNext = 2 * t1 - t0;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\tiNext = 1;\n\t\t\t\t\ttNext = t1 + pp[ 1 ] - pp[ 0 ];\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t// f''(tN) = 0, a.k.a. Natural Spline\n\t\t\t\t\tiNext = i1 - 1;\n\t\t\t\t\ttNext = t0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst halfDt = ( t1 - t0 ) * 0.5,\n\t\t\tstride = this.valueSize;\n\n\t\tthis._weightPrev = halfDt / ( t0 - tPrev );\n\t\tthis._weightNext = halfDt / ( tNext - t1 );\n\t\tthis._offsetPrev = iPrev * stride;\n\t\tthis._offsetNext = iNext * stride;\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\to1 = i1 * stride,\t\to0 = o1 - stride,\n\t\t\toP = this._offsetPrev, \toN = this._offsetNext,\n\t\t\twP = this._weightPrev,\twN = this._weightNext,\n\n\t\t\tp = ( t - t0 ) / ( t1 - t0 ),\n\t\t\tpp = p * p,\n\t\t\tppp = pp * p;\n\n\t\t// evaluate polynomials\n\n\t\tconst sP = - wP * ppp + 2 * wP * pp - wP * p;\n\t\tconst s0 = ( 1 + wP ) * ppp + ( - 1.5 - 2 * wP ) * pp + ( - 0.5 + wP ) * p + 1;\n\t\tconst s1 = ( - 1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p;\n\t\tconst sN = wN * ppp - wN * pp;\n\n\t\t// combine data linearly\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] =\n\t\t\t\t\tsP * values[ oP + i ] +\n\t\t\t\t\ts0 * values[ o0 + i ] +\n\t\t\t\t\ts1 * values[ o1 + i ] +\n\t\t\t\t\tsN * values[ oN + i ];\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\nclass LinearInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\toffset1 = i1 * stride,\n\t\t\toffset0 = offset1 - stride,\n\n\t\t\tweight1 = ( t - t0 ) / ( t1 - t0 ),\n\t\t\tweight0 = 1 - weight1;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] =\n\t\t\t\t\tvalues[ offset0 + i ] * weight0 +\n\t\t\t\t\tvalues[ offset1 + i ] * weight1;\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\n/**\n *\n * Interpolant that evaluates to the sample value at the position preceding\n * the parameter.\n */\n\nclass DiscreteInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1 /*, t0, t, t1 */ ) {\n\n\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t}\n\n}\n\nclass KeyframeTrack {\n\n\tconstructor( name, times, values, interpolation ) {\n\n\t\tif ( name === undefined ) throw new Error( 'THREE.KeyframeTrack: track name is undefined' );\n\t\tif ( times === undefined || times.length === 0 ) throw new Error( 'THREE.KeyframeTrack: no keyframes in track named ' + name );\n\n\t\tthis.name = name;\n\n\t\tthis.times = convertArray( times, this.TimeBufferType );\n\t\tthis.values = convertArray( values, this.ValueBufferType );\n\n\t\tthis.setInterpolation( interpolation || this.DefaultInterpolation );\n\n\t}\n\n\t// Serialization (in static context, because of constructor invocation\n\t// and automatic invocation of .toJSON):\n\n\tstatic toJSON( track ) {\n\n\t\tconst trackType = track.constructor;\n\n\t\tlet json;\n\n\t\t// derived classes can define a static toJSON method\n\t\tif ( trackType.toJSON !== this.toJSON ) {\n\n\t\t\tjson = trackType.toJSON( track );\n\n\t\t} else {\n\n\t\t\t// by default, we assume the data can be serialized as-is\n\t\t\tjson = {\n\n\t\t\t\t'name': track.name,\n\t\t\t\t'times': convertArray( track.times, Array ),\n\t\t\t\t'values': convertArray( track.values, Array )\n\n\t\t\t};\n\n\t\t\tconst interpolation = track.getInterpolation();\n\n\t\t\tif ( interpolation !== track.DefaultInterpolation ) {\n\n\t\t\t\tjson.interpolation = interpolation;\n\n\t\t\t}\n\n\t\t}\n\n\t\tjson.type = track.ValueTypeName; // mandatory\n\n\t\treturn json;\n\n\t}\n\n\tInterpolantFactoryMethodDiscrete( result ) {\n\n\t\treturn new DiscreteInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\tInterpolantFactoryMethodLinear( result ) {\n\n\t\treturn new LinearInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\tInterpolantFactoryMethodSmooth( result ) {\n\n\t\treturn new CubicInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\tsetInterpolation( interpolation ) {\n\n\t\tlet factoryMethod;\n\n\t\tswitch ( interpolation ) {\n\n\t\t\tcase InterpolateDiscrete:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodDiscrete;\n\n\t\t\t\tbreak;\n\n\t\t\tcase InterpolateLinear:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodLinear;\n\n\t\t\t\tbreak;\n\n\t\t\tcase InterpolateSmooth:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodSmooth;\n\n\t\t\t\tbreak;\n\n\t\t}\n\n\t\tif ( factoryMethod === undefined ) {\n\n\t\t\tconst message = 'unsupported interpolation for ' +\n\t\t\t\tthis.ValueTypeName + ' keyframe track named ' + this.name;\n\n\t\t\tif ( this.createInterpolant === undefined ) {\n\n\t\t\t\t// fall back to default, unless the default itself is messed up\n\t\t\t\tif ( interpolation !== this.DefaultInterpolation ) {\n\n\t\t\t\t\tthis.setInterpolation( this.DefaultInterpolation );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new Error( message ); // fatal, in this case\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconsole.warn( 'THREE.KeyframeTrack:', message );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tthis.createInterpolant = factoryMethod;\n\n\t\treturn this;\n\n\t}\n\n\tgetInterpolation() {\n\n\t\tswitch ( this.createInterpolant ) {\n\n\t\t\tcase this.InterpolantFactoryMethodDiscrete:\n\n\t\t\t\treturn InterpolateDiscrete;\n\n\t\t\tcase this.InterpolantFactoryMethodLinear:\n\n\t\t\t\treturn InterpolateLinear;\n\n\t\t\tcase this.InterpolantFactoryMethodSmooth:\n\n\t\t\t\treturn InterpolateSmooth;\n\n\t\t}\n\n\t}\n\n\tgetValueSize() {\n\n\t\treturn this.values.length / this.times.length;\n\n\t}\n\n\t// move all keyframes either forwards or backwards in time\n\tshift( timeOffset ) {\n\n\t\tif ( timeOffset !== 0.0 ) {\n\n\t\t\tconst times = this.times;\n\n\t\t\tfor ( let i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\ttimes[ i ] += timeOffset;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// scale all keyframe times by a factor (useful for frame <-> seconds conversions)\n\tscale( timeScale ) {\n\n\t\tif ( timeScale !== 1.0 ) {\n\n\t\t\tconst times = this.times;\n\n\t\t\tfor ( let i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\ttimes[ i ] *= timeScale;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// removes keyframes before and after animation without changing any values within the range [startTime, endTime].\n\t// IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values\n\ttrim( startTime, endTime ) {\n\n\t\tconst times = this.times,\n\t\t\tnKeys = times.length;\n\n\t\tlet from = 0,\n\t\t\tto = nKeys - 1;\n\n\t\twhile ( from !== nKeys && times[ from ] < startTime ) {\n\n\t\t\t++ from;\n\n\t\t}\n\n\t\twhile ( to !== - 1 && times[ to ] > endTime ) {\n\n\t\t\t-- to;\n\n\t\t}\n\n\t\t++ to; // inclusive -> exclusive bound\n\n\t\tif ( from !== 0 || to !== nKeys ) {\n\n\t\t\t// empty tracks are forbidden, so keep at least one keyframe\n\t\t\tif ( from >= to ) {\n\n\t\t\t\tto = Math.max( to, 1 );\n\t\t\t\tfrom = to - 1;\n\n\t\t\t}\n\n\t\t\tconst stride = this.getValueSize();\n\t\t\tthis.times = times.slice( from, to );\n\t\t\tthis.values = this.values.slice( from * stride, to * stride );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable\n\tvalidate() {\n\n\t\tlet valid = true;\n\n\t\tconst valueSize = this.getValueSize();\n\t\tif ( valueSize - Math.floor( valueSize ) !== 0 ) {\n\n\t\t\tconsole.error( 'THREE.KeyframeTrack: Invalid value size in track.', this );\n\t\t\tvalid = false;\n\n\t\t}\n\n\t\tconst times = this.times,\n\t\t\tvalues = this.values,\n\n\t\t\tnKeys = times.length;\n\n\t\tif ( nKeys === 0 ) {\n\n\t\t\tconsole.error( 'THREE.KeyframeTrack: Track is empty.', this );\n\t\t\tvalid = false;\n\n\t\t}\n\n\t\tlet prevTime = null;\n\n\t\tfor ( let i = 0; i !== nKeys; i ++ ) {\n\n\t\t\tconst currTime = times[ i ];\n\n\t\t\tif ( typeof currTime === 'number' && isNaN( currTime ) ) {\n\n\t\t\t\tconsole.error( 'THREE.KeyframeTrack: Time is not a valid number.', this, i, currTime );\n\t\t\t\tvalid = false;\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( prevTime !== null && prevTime > currTime ) {\n\n\t\t\t\tconsole.error( 'THREE.KeyframeTrack: Out of order keys.', this, i, currTime, prevTime );\n\t\t\t\tvalid = false;\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tprevTime = currTime;\n\n\t\t}\n\n\t\tif ( values !== undefined ) {\n\n\t\t\tif ( isTypedArray( values ) ) {\n\n\t\t\t\tfor ( let i = 0, n = values.length; i !== n; ++ i ) {\n\n\t\t\t\t\tconst value = values[ i ];\n\n\t\t\t\t\tif ( isNaN( value ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.KeyframeTrack: Value is not a valid number.', this, i, value );\n\t\t\t\t\t\tvalid = false;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn valid;\n\n\t}\n\n\t// removes equivalent sequential keys as common in morph target sequences\n\t// (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0)\n\toptimize() {\n\n\t\t// times or values may be shared with other tracks, so overwriting is unsafe\n\t\tconst times = this.times.slice(),\n\t\t\tvalues = this.values.slice(),\n\t\t\tstride = this.getValueSize(),\n\n\t\t\tsmoothInterpolation = this.getInterpolation() === InterpolateSmooth,\n\n\t\t\tlastIndex = times.length - 1;\n\n\t\tlet writeIndex = 1;\n\n\t\tfor ( let i = 1; i < lastIndex; ++ i ) {\n\n\t\t\tlet keep = false;\n\n\t\t\tconst time = times[ i ];\n\t\t\tconst timeNext = times[ i + 1 ];\n\n\t\t\t// remove adjacent keyframes scheduled at the same time\n\n\t\t\tif ( time !== timeNext && ( i !== 1 || time !== times[ 0 ] ) ) {\n\n\t\t\t\tif ( ! smoothInterpolation ) {\n\n\t\t\t\t\t// remove unnecessary keyframes same as their neighbors\n\n\t\t\t\t\tconst offset = i * stride,\n\t\t\t\t\t\toffsetP = offset - stride,\n\t\t\t\t\t\toffsetN = offset + stride;\n\n\t\t\t\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\tconst value = values[ offset + j ];\n\n\t\t\t\t\t\tif ( value !== values[ offsetP + j ] ||\n\t\t\t\t\t\t\tvalue !== values[ offsetN + j ] ) {\n\n\t\t\t\t\t\t\tkeep = true;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tkeep = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// in-place compaction\n\n\t\t\tif ( keep ) {\n\n\t\t\t\tif ( i !== writeIndex ) {\n\n\t\t\t\t\ttimes[ writeIndex ] = times[ i ];\n\n\t\t\t\t\tconst readOffset = i * stride,\n\t\t\t\t\t\twriteOffset = writeIndex * stride;\n\n\t\t\t\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t++ writeIndex;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// flush last keyframe (compaction looks ahead)\n\n\t\tif ( lastIndex > 0 ) {\n\n\t\t\ttimes[ writeIndex ] = times[ lastIndex ];\n\n\t\t\tfor ( let readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j ) {\n\n\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t}\n\n\t\t\t++ writeIndex;\n\n\t\t}\n\n\t\tif ( writeIndex !== times.length ) {\n\n\t\t\tthis.times = times.slice( 0, writeIndex );\n\t\t\tthis.values = values.slice( 0, writeIndex * stride );\n\n\t\t} else {\n\n\t\t\tthis.times = times;\n\t\t\tthis.values = values;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\tconst times = this.times.slice();\n\t\tconst values = this.values.slice();\n\n\t\tconst TypedKeyframeTrack = this.constructor;\n\t\tconst track = new TypedKeyframeTrack( this.name, times, values );\n\n\t\t// Interpolant argument to constructor is not saved, so copy the factory method directly.\n\t\ttrack.createInterpolant = this.createInterpolant;\n\n\t\treturn track;\n\n\t}\n\n}\n\nKeyframeTrack.prototype.TimeBufferType = Float32Array;\nKeyframeTrack.prototype.ValueBufferType = Float32Array;\nKeyframeTrack.prototype.DefaultInterpolation = InterpolateLinear;\n\n/**\n * A Track of Boolean keyframe values.\n */\nclass BooleanKeyframeTrack extends KeyframeTrack {\n\n\t// No interpolation parameter because only InterpolateDiscrete is valid.\n\tconstructor( name, times, values ) {\n\n\t\tsuper( name, times, values );\n\n\t}\n\n}\n\nBooleanKeyframeTrack.prototype.ValueTypeName = 'bool';\nBooleanKeyframeTrack.prototype.ValueBufferType = Array;\nBooleanKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete;\nBooleanKeyframeTrack.prototype.InterpolantFactoryMethodLinear = undefined;\nBooleanKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A Track of keyframe values that represent color.\n */\nclass ColorKeyframeTrack extends KeyframeTrack {}\n\nColorKeyframeTrack.prototype.ValueTypeName = 'color';\n\n/**\n * A Track of numeric keyframe values.\n */\nclass NumberKeyframeTrack extends KeyframeTrack {}\n\nNumberKeyframeTrack.prototype.ValueTypeName = 'number';\n\n/**\n * Spherical linear unit quaternion interpolant.\n */\n\nclass QuaternionLinearInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\talpha = ( t - t0 ) / ( t1 - t0 );\n\n\t\tlet offset = i1 * stride;\n\n\t\tfor ( let end = offset + stride; offset !== end; offset += 4 ) {\n\n\t\t\tQuaternion.slerpFlat( result, 0, values, offset - stride, values, offset, alpha );\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\n/**\n * A Track of quaternion keyframe values.\n */\nclass QuaternionKeyframeTrack extends KeyframeTrack {\n\n\tInterpolantFactoryMethodLinear( result ) {\n\n\t\treturn new QuaternionLinearInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n}\n\nQuaternionKeyframeTrack.prototype.ValueTypeName = 'quaternion';\n// ValueBufferType is inherited\n// DefaultInterpolation is inherited;\nQuaternionKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A Track that interpolates Strings\n */\nclass StringKeyframeTrack extends KeyframeTrack {\n\n\t// No interpolation parameter because only InterpolateDiscrete is valid.\n\tconstructor( name, times, values ) {\n\n\t\tsuper( name, times, values );\n\n\t}\n\n}\n\nStringKeyframeTrack.prototype.ValueTypeName = 'string';\nStringKeyframeTrack.prototype.ValueBufferType = Array;\nStringKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete;\nStringKeyframeTrack.prototype.InterpolantFactoryMethodLinear = undefined;\nStringKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A Track of vectored keyframe values.\n */\nclass VectorKeyframeTrack extends KeyframeTrack {}\n\nVectorKeyframeTrack.prototype.ValueTypeName = 'vector';\n\nclass AnimationClip {\n\n\tconstructor( name = '', duration = - 1, tracks = [], blendMode = NormalAnimationBlendMode ) {\n\n\t\tthis.name = name;\n\t\tthis.tracks = tracks;\n\t\tthis.duration = duration;\n\t\tthis.blendMode = blendMode;\n\n\t\tthis.uuid = generateUUID();\n\n\t\t// this means it should figure out its duration by scanning the tracks\n\t\tif ( this.duration < 0 ) {\n\n\t\t\tthis.resetDuration();\n\n\t\t}\n\n\t}\n\n\n\tstatic parse( json ) {\n\n\t\tconst tracks = [],\n\t\t\tjsonTracks = json.tracks,\n\t\t\tframeTime = 1.0 / ( json.fps || 1.0 );\n\n\t\tfor ( let i = 0, n = jsonTracks.length; i !== n; ++ i ) {\n\n\t\t\ttracks.push( parseKeyframeTrack( jsonTracks[ i ] ).scale( frameTime ) );\n\n\t\t}\n\n\t\tconst clip = new this( json.name, json.duration, tracks, json.blendMode );\n\t\tclip.uuid = json.uuid;\n\n\t\treturn clip;\n\n\t}\n\n\tstatic toJSON( clip ) {\n\n\t\tconst tracks = [],\n\t\t\tclipTracks = clip.tracks;\n\n\t\tconst json = {\n\n\t\t\t'name': clip.name,\n\t\t\t'duration': clip.duration,\n\t\t\t'tracks': tracks,\n\t\t\t'uuid': clip.uuid,\n\t\t\t'blendMode': clip.blendMode\n\n\t\t};\n\n\t\tfor ( let i = 0, n = clipTracks.length; i !== n; ++ i ) {\n\n\t\t\ttracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) );\n\n\t\t}\n\n\t\treturn json;\n\n\t}\n\n\tstatic CreateFromMorphTargetSequence( name, morphTargetSequence, fps, noLoop ) {\n\n\t\tconst numMorphTargets = morphTargetSequence.length;\n\t\tconst tracks = [];\n\n\t\tfor ( let i = 0; i < numMorphTargets; i ++ ) {\n\n\t\t\tlet times = [];\n\t\t\tlet values = [];\n\n\t\t\ttimes.push(\n\t\t\t\t( i + numMorphTargets - 1 ) % numMorphTargets,\n\t\t\t\ti,\n\t\t\t\t( i + 1 ) % numMorphTargets );\n\n\t\t\tvalues.push( 0, 1, 0 );\n\n\t\t\tconst order = getKeyframeOrder( times );\n\t\t\ttimes = sortedArray( times, 1, order );\n\t\t\tvalues = sortedArray( values, 1, order );\n\n\t\t\t// if there is a key at the first frame, duplicate it as the\n\t\t\t// last frame as well for perfect loop.\n\t\t\tif ( ! noLoop && times[ 0 ] === 0 ) {\n\n\t\t\t\ttimes.push( numMorphTargets );\n\t\t\t\tvalues.push( values[ 0 ] );\n\n\t\t\t}\n\n\t\t\ttracks.push(\n\t\t\t\tnew NumberKeyframeTrack(\n\t\t\t\t\t'.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']',\n\t\t\t\t\ttimes, values\n\t\t\t\t).scale( 1.0 / fps ) );\n\n\t\t}\n\n\t\treturn new this( name, - 1, tracks );\n\n\t}\n\n\tstatic findByName( objectOrClipArray, name ) {\n\n\t\tlet clipArray = objectOrClipArray;\n\n\t\tif ( ! Array.isArray( objectOrClipArray ) ) {\n\n\t\t\tconst o = objectOrClipArray;\n\t\t\tclipArray = o.geometry && o.geometry.animations || o.animations;\n\n\t\t}\n\n\t\tfor ( let i = 0; i < clipArray.length; i ++ ) {\n\n\t\t\tif ( clipArray[ i ].name === name ) {\n\n\t\t\t\treturn clipArray[ i ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\tstatic CreateClipsFromMorphTargetSequences( morphTargets, fps, noLoop ) {\n\n\t\tconst animationToMorphTargets = {};\n\n\t\t// tested with https://regex101.com/ on trick sequences\n\t\t// such flamingo_flyA_003, flamingo_run1_003, crdeath0059\n\t\tconst pattern = /^([\\w-]*?)([\\d]+)$/;\n\n\t\t// sort morph target names into animation groups based\n\t\t// patterns like Walk_001, Walk_002, Run_001, Run_002\n\t\tfor ( let i = 0, il = morphTargets.length; i < il; i ++ ) {\n\n\t\t\tconst morphTarget = morphTargets[ i ];\n\t\t\tconst parts = morphTarget.name.match( pattern );\n\n\t\t\tif ( parts && parts.length > 1 ) {\n\n\t\t\t\tconst name = parts[ 1 ];\n\n\t\t\t\tlet animationMorphTargets = animationToMorphTargets[ name ];\n\n\t\t\t\tif ( ! animationMorphTargets ) {\n\n\t\t\t\t\tanimationToMorphTargets[ name ] = animationMorphTargets = [];\n\n\t\t\t\t}\n\n\t\t\t\tanimationMorphTargets.push( morphTarget );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst clips = [];\n\n\t\tfor ( const name in animationToMorphTargets ) {\n\n\t\t\tclips.push( this.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) );\n\n\t\t}\n\n\t\treturn clips;\n\n\t}\n\n\t// parse the animation.hierarchy format\n\tstatic parseAnimation( animation, bones ) {\n\n\t\tif ( ! animation ) {\n\n\t\t\tconsole.error( 'THREE.AnimationClip: No animation in JSONLoader data.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst addNonemptyTrack = function ( trackType, trackName, animationKeys, propertyName, destTracks ) {\n\n\t\t\t// only return track if there are actually keys.\n\t\t\tif ( animationKeys.length !== 0 ) {\n\n\t\t\t\tconst times = [];\n\t\t\t\tconst values = [];\n\n\t\t\t\tflattenJSON( animationKeys, times, values, propertyName );\n\n\t\t\t\t// empty keys are filtered out, so check again\n\t\t\t\tif ( times.length !== 0 ) {\n\n\t\t\t\t\tdestTracks.push( new trackType( trackName, times, values ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tconst tracks = [];\n\n\t\tconst clipName = animation.name || 'default';\n\t\tconst fps = animation.fps || 30;\n\t\tconst blendMode = animation.blendMode;\n\n\t\t// automatic length determination in AnimationClip.\n\t\tlet duration = animation.length || - 1;\n\n\t\tconst hierarchyTracks = animation.hierarchy || [];\n\n\t\tfor ( let h = 0; h < hierarchyTracks.length; h ++ ) {\n\n\t\t\tconst animationKeys = hierarchyTracks[ h ].keys;\n\n\t\t\t// skip empty tracks\n\t\t\tif ( ! animationKeys || animationKeys.length === 0 ) continue;\n\n\t\t\t// process morph targets\n\t\t\tif ( animationKeys[ 0 ].morphTargets ) {\n\n\t\t\t\t// figure out all morph targets used in this track\n\t\t\t\tconst morphTargetNames = {};\n\n\t\t\t\tlet k;\n\n\t\t\t\tfor ( k = 0; k < animationKeys.length; k ++ ) {\n\n\t\t\t\t\tif ( animationKeys[ k ].morphTargets ) {\n\n\t\t\t\t\t\tfor ( let m = 0; m < animationKeys[ k ].morphTargets.length; m ++ ) {\n\n\t\t\t\t\t\t\tmorphTargetNames[ animationKeys[ k ].morphTargets[ m ] ] = - 1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// create a track for each morph target with all zero\n\t\t\t\t// morphTargetInfluences except for the keys in which\n\t\t\t\t// the morphTarget is named.\n\t\t\t\tfor ( const morphTargetName in morphTargetNames ) {\n\n\t\t\t\t\tconst times = [];\n\t\t\t\t\tconst values = [];\n\n\t\t\t\t\tfor ( let m = 0; m !== animationKeys[ k ].morphTargets.length; ++ m ) {\n\n\t\t\t\t\t\tconst animationKey = animationKeys[ k ];\n\n\t\t\t\t\t\ttimes.push( animationKey.time );\n\t\t\t\t\t\tvalues.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttracks.push( new NumberKeyframeTrack( '.morphTargetInfluence[' + morphTargetName + ']', times, values ) );\n\n\t\t\t\t}\n\n\t\t\t\tduration = morphTargetNames.length * fps;\n\n\t\t\t} else {\n\n\t\t\t\t// ...assume skeletal animation\n\n\t\t\t\tconst boneName = '.bones[' + bones[ h ].name + ']';\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tVectorKeyframeTrack, boneName + '.position',\n\t\t\t\t\tanimationKeys, 'pos', tracks );\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tQuaternionKeyframeTrack, boneName + '.quaternion',\n\t\t\t\t\tanimationKeys, 'rot', tracks );\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tVectorKeyframeTrack, boneName + '.scale',\n\t\t\t\t\tanimationKeys, 'scl', tracks );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( tracks.length === 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst clip = new this( clipName, duration, tracks, blendMode );\n\n\t\treturn clip;\n\n\t}\n\n\tresetDuration() {\n\n\t\tconst tracks = this.tracks;\n\t\tlet duration = 0;\n\n\t\tfor ( let i = 0, n = tracks.length; i !== n; ++ i ) {\n\n\t\t\tconst track = this.tracks[ i ];\n\n\t\t\tduration = Math.max( duration, track.times[ track.times.length - 1 ] );\n\n\t\t}\n\n\t\tthis.duration = duration;\n\n\t\treturn this;\n\n\t}\n\n\ttrim() {\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tthis.tracks[ i ].trim( 0, this.duration );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tvalidate() {\n\n\t\tlet valid = true;\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tvalid = valid && this.tracks[ i ].validate();\n\n\t\t}\n\n\t\treturn valid;\n\n\t}\n\n\toptimize() {\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tthis.tracks[ i ].optimize();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\tconst tracks = [];\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\ttracks.push( this.tracks[ i ].clone() );\n\n\t\t}\n\n\t\treturn new this.constructor( this.name, this.duration, tracks, this.blendMode );\n\n\t}\n\n\ttoJSON() {\n\n\t\treturn this.constructor.toJSON( this );\n\n\t}\n\n}\n\nfunction getTrackTypeForValueTypeName( typeName ) {\n\n\tswitch ( typeName.toLowerCase() ) {\n\n\t\tcase 'scalar':\n\t\tcase 'double':\n\t\tcase 'float':\n\t\tcase 'number':\n\t\tcase 'integer':\n\n\t\t\treturn NumberKeyframeTrack;\n\n\t\tcase 'vector':\n\t\tcase 'vector2':\n\t\tcase 'vector3':\n\t\tcase 'vector4':\n\n\t\t\treturn VectorKeyframeTrack;\n\n\t\tcase 'color':\n\n\t\t\treturn ColorKeyframeTrack;\n\n\t\tcase 'quaternion':\n\n\t\t\treturn QuaternionKeyframeTrack;\n\n\t\tcase 'bool':\n\t\tcase 'boolean':\n\n\t\t\treturn BooleanKeyframeTrack;\n\n\t\tcase 'string':\n\n\t\t\treturn StringKeyframeTrack;\n\n\t}\n\n\tthrow new Error( 'THREE.KeyframeTrack: Unsupported typeName: ' + typeName );\n\n}\n\nfunction parseKeyframeTrack( json ) {\n\n\tif ( json.type === undefined ) {\n\n\t\tthrow new Error( 'THREE.KeyframeTrack: track type undefined, can not parse' );\n\n\t}\n\n\tconst trackType = getTrackTypeForValueTypeName( json.type );\n\n\tif ( json.times === undefined ) {\n\n\t\tconst times = [], values = [];\n\n\t\tflattenJSON( json.keys, times, values, 'value' );\n\n\t\tjson.times = times;\n\t\tjson.values = values;\n\n\t}\n\n\t// derived classes can define a static parse method\n\tif ( trackType.parse !== undefined ) {\n\n\t\treturn trackType.parse( json );\n\n\t} else {\n\n\t\t// by default, we assume a constructor compatible with the base\n\t\treturn new trackType( json.name, json.times, json.values, json.interpolation );\n\n\t}\n\n}\n\nconst Cache = {\n\n\tenabled: false,\n\n\tfiles: {},\n\n\tadd: function ( key, file ) {\n\n\t\tif ( this.enabled === false ) return;\n\n\t\t// console.log( 'THREE.Cache', 'Adding key:', key );\n\n\t\tthis.files[ key ] = file;\n\n\t},\n\n\tget: function ( key ) {\n\n\t\tif ( this.enabled === false ) return;\n\n\t\t// console.log( 'THREE.Cache', 'Checking key:', key );\n\n\t\treturn this.files[ key ];\n\n\t},\n\n\tremove: function ( key ) {\n\n\t\tdelete this.files[ key ];\n\n\t},\n\n\tclear: function () {\n\n\t\tthis.files = {};\n\n\t}\n\n};\n\nclass LoadingManager {\n\n\tconstructor( onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tlet isLoading = false;\n\t\tlet itemsLoaded = 0;\n\t\tlet itemsTotal = 0;\n\t\tlet urlModifier = undefined;\n\t\tconst handlers = [];\n\n\t\t// Refer to #5689 for the reason why we don't set .onStart\n\t\t// in the constructor\n\n\t\tthis.onStart = undefined;\n\t\tthis.onLoad = onLoad;\n\t\tthis.onProgress = onProgress;\n\t\tthis.onError = onError;\n\n\t\tthis.itemStart = function ( url ) {\n\n\t\t\titemsTotal ++;\n\n\t\t\tif ( isLoading === false ) {\n\n\t\t\t\tif ( scope.onStart !== undefined ) {\n\n\t\t\t\t\tscope.onStart( url, itemsLoaded, itemsTotal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tisLoading = true;\n\n\t\t};\n\n\t\tthis.itemEnd = function ( url ) {\n\n\t\t\titemsLoaded ++;\n\n\t\t\tif ( scope.onProgress !== undefined ) {\n\n\t\t\t\tscope.onProgress( url, itemsLoaded, itemsTotal );\n\n\t\t\t}\n\n\t\t\tif ( itemsLoaded === itemsTotal ) {\n\n\t\t\t\tisLoading = false;\n\n\t\t\t\tif ( scope.onLoad !== undefined ) {\n\n\t\t\t\t\tscope.onLoad();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.itemError = function ( url ) {\n\n\t\t\tif ( scope.onError !== undefined ) {\n\n\t\t\t\tscope.onError( url );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.resolveURL = function ( url ) {\n\n\t\t\tif ( urlModifier ) {\n\n\t\t\t\treturn urlModifier( url );\n\n\t\t\t}\n\n\t\t\treturn url;\n\n\t\t};\n\n\t\tthis.setURLModifier = function ( transform ) {\n\n\t\t\turlModifier = transform;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\tthis.addHandler = function ( regex, loader ) {\n\n\t\t\thandlers.push( regex, loader );\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\tthis.removeHandler = function ( regex ) {\n\n\t\t\tconst index = handlers.indexOf( regex );\n\n\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\thandlers.splice( index, 2 );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\tthis.getHandler = function ( file ) {\n\n\t\t\tfor ( let i = 0, l = handlers.length; i < l; i += 2 ) {\n\n\t\t\t\tconst regex = handlers[ i ];\n\t\t\t\tconst loader = handlers[ i + 1 ];\n\n\t\t\t\tif ( regex.global ) regex.lastIndex = 0; // see #17920\n\n\t\t\t\tif ( regex.test( file ) ) {\n\n\t\t\t\t\treturn loader;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t};\n\n\t}\n\n}\n\nconst DefaultLoadingManager = /*@__PURE__*/ new LoadingManager();\n\nclass Loader {\n\n\tconstructor( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\tthis.crossOrigin = 'anonymous';\n\t\tthis.withCredentials = false;\n\t\tthis.path = '';\n\t\tthis.resourcePath = '';\n\t\tthis.requestHeader = {};\n\n\t}\n\n\tload( /* url, onLoad, onProgress, onError */ ) {}\n\n\tloadAsync( url, onProgress ) {\n\n\t\tconst scope = this;\n\n\t\treturn new Promise( function ( resolve, reject ) {\n\n\t\t\tscope.load( url, resolve, onProgress, reject );\n\n\t\t} );\n\n\t}\n\n\tparse( /* data */ ) {}\n\n\tsetCrossOrigin( crossOrigin ) {\n\n\t\tthis.crossOrigin = crossOrigin;\n\t\treturn this;\n\n\t}\n\n\tsetWithCredentials( value ) {\n\n\t\tthis.withCredentials = value;\n\t\treturn this;\n\n\t}\n\n\tsetPath( path ) {\n\n\t\tthis.path = path;\n\t\treturn this;\n\n\t}\n\n\tsetResourcePath( resourcePath ) {\n\n\t\tthis.resourcePath = resourcePath;\n\t\treturn this;\n\n\t}\n\n\tsetRequestHeader( requestHeader ) {\n\n\t\tthis.requestHeader = requestHeader;\n\t\treturn this;\n\n\t}\n\n}\n\nLoader.DEFAULT_MATERIAL_NAME = '__DEFAULT';\n\nconst loading = {};\n\nclass HttpError extends Error {\n\n\tconstructor( message, response ) {\n\n\t\tsuper( message );\n\t\tthis.response = response;\n\n\t}\n\n}\n\nclass FileLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( url === undefined ) url = '';\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst cached = Cache.get( url );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tthis.manager.itemStart( url );\n\n\t\t\tsetTimeout( () => {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tthis.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\t// Check if request is duplicate\n\n\t\tif ( loading[ url ] !== undefined ) {\n\n\t\t\tloading[ url ].push( {\n\n\t\t\t\tonLoad: onLoad,\n\t\t\t\tonProgress: onProgress,\n\t\t\t\tonError: onError\n\n\t\t\t} );\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t// Initialise array for duplicate requests\n\t\tloading[ url ] = [];\n\n\t\tloading[ url ].push( {\n\t\t\tonLoad: onLoad,\n\t\t\tonProgress: onProgress,\n\t\t\tonError: onError,\n\t\t} );\n\n\t\t// create request\n\t\tconst req = new Request( url, {\n\t\t\theaders: new Headers( this.requestHeader ),\n\t\t\tcredentials: this.withCredentials ? 'include' : 'same-origin',\n\t\t\t// An abort controller could be added within a future PR\n\t\t} );\n\n\t\t// record states ( avoid data race )\n\t\tconst mimeType = this.mimeType;\n\t\tconst responseType = this.responseType;\n\n\t\t// start the fetch\n\t\tfetch( req )\n\t\t\t.then( response => {\n\n\t\t\t\tif ( response.status === 200 || response.status === 0 ) {\n\n\t\t\t\t\t// Some browsers return HTTP Status 0 when using non-http protocol\n\t\t\t\t\t// e.g. 'file://' or 'data://'. Handle as success.\n\n\t\t\t\t\tif ( response.status === 0 ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.FileLoader: HTTP Status 0 received.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Workaround: Checking if response.body === undefined for Alipay browser #23548\n\n\t\t\t\t\tif ( typeof ReadableStream === 'undefined' || response.body === undefined || response.body.getReader === undefined ) {\n\n\t\t\t\t\t\treturn response;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst callbacks = loading[ url ];\n\t\t\t\t\tconst reader = response.body.getReader();\n\n\t\t\t\t\t// Nginx needs X-File-Size check\n\t\t\t\t\t// https://serverfault.com/questions/482875/why-does-nginx-remove-content-length-header-for-chunked-content\n\t\t\t\t\tconst contentLength = response.headers.get( 'X-File-Size' ) || response.headers.get( 'Content-Length' );\n\t\t\t\t\tconst total = contentLength ? parseInt( contentLength ) : 0;\n\t\t\t\t\tconst lengthComputable = total !== 0;\n\t\t\t\t\tlet loaded = 0;\n\n\t\t\t\t\t// periodically read data into the new stream tracking while download progress\n\t\t\t\t\tconst stream = new ReadableStream( {\n\t\t\t\t\t\tstart( controller ) {\n\n\t\t\t\t\t\t\treadData();\n\n\t\t\t\t\t\t\tfunction readData() {\n\n\t\t\t\t\t\t\t\treader.read().then( ( { done, value } ) => {\n\n\t\t\t\t\t\t\t\t\tif ( done ) {\n\n\t\t\t\t\t\t\t\t\t\tcontroller.close();\n\n\t\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\t\tloaded += value.byteLength;\n\n\t\t\t\t\t\t\t\t\t\tconst event = new ProgressEvent( 'progress', { lengthComputable, loaded, total } );\n\t\t\t\t\t\t\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\t\t\t\t\t\t\tif ( callback.onProgress ) callback.onProgress( event );\n\n\t\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t\t\tcontroller.enqueue( value );\n\t\t\t\t\t\t\t\t\t\treadData();\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}, ( e ) => {\n\n\t\t\t\t\t\t\t\t\tcontroller.error( e );\n\n\t\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} );\n\n\t\t\t\t\treturn new Response( stream );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new HttpError( `fetch for \"${response.url}\" responded with ${response.status}: ${response.statusText}`, response );\n\n\t\t\t\t}\n\n\t\t\t} )\n\t\t\t.then( response => {\n\n\t\t\t\tswitch ( responseType ) {\n\n\t\t\t\t\tcase 'arraybuffer':\n\n\t\t\t\t\t\treturn response.arrayBuffer();\n\n\t\t\t\t\tcase 'blob':\n\n\t\t\t\t\t\treturn response.blob();\n\n\t\t\t\t\tcase 'document':\n\n\t\t\t\t\t\treturn response.text()\n\t\t\t\t\t\t\t.then( text => {\n\n\t\t\t\t\t\t\t\tconst parser = new DOMParser();\n\t\t\t\t\t\t\t\treturn parser.parseFromString( text, mimeType );\n\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\tcase 'json':\n\n\t\t\t\t\t\treturn response.json();\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tif ( mimeType === undefined ) {\n\n\t\t\t\t\t\t\treturn response.text();\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// sniff encoding\n\t\t\t\t\t\t\tconst re = /charset=\"?([^;\"\\s]*)\"?/i;\n\t\t\t\t\t\t\tconst exec = re.exec( mimeType );\n\t\t\t\t\t\t\tconst label = exec && exec[ 1 ] ? exec[ 1 ].toLowerCase() : undefined;\n\t\t\t\t\t\t\tconst decoder = new TextDecoder( label );\n\t\t\t\t\t\t\treturn response.arrayBuffer().then( ab => decoder.decode( ab ) );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} )\n\t\t\t.then( data => {\n\n\t\t\t\t// Add to cache only on HTTP success, so that we do not cache\n\t\t\t\t// error response bodies as proper responses to requests.\n\t\t\t\tCache.add( url, data );\n\n\t\t\t\tconst callbacks = loading[ url ];\n\t\t\t\tdelete loading[ url ];\n\n\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\tif ( callback.onLoad ) callback.onLoad( data );\n\n\t\t\t\t}\n\n\t\t\t} )\n\t\t\t.catch( err => {\n\n\t\t\t\t// Abort errors and other errors are handled the same\n\n\t\t\t\tconst callbacks = loading[ url ];\n\n\t\t\t\tif ( callbacks === undefined ) {\n\n\t\t\t\t\t// When onLoad was called and url was deleted in `loading`\n\t\t\t\t\tthis.manager.itemError( url );\n\t\t\t\t\tthrow err;\n\n\t\t\t\t}\n\n\t\t\t\tdelete loading[ url ];\n\n\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\tif ( callback.onError ) callback.onError( err );\n\n\t\t\t\t}\n\n\t\t\t\tthis.manager.itemError( url );\n\n\t\t\t} )\n\t\t\t.finally( () => {\n\n\t\t\t\tthis.manager.itemEnd( url );\n\n\t\t\t} );\n\n\t\tthis.manager.itemStart( url );\n\n\t}\n\n\tsetResponseType( value ) {\n\n\t\tthis.responseType = value;\n\t\treturn this;\n\n\t}\n\n\tsetMimeType( value ) {\n\n\t\tthis.mimeType = value;\n\t\treturn this;\n\n\t}\n\n}\n\nclass AnimationLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\tconst animations = [];\n\n\t\tfor ( let i = 0; i < json.length; i ++ ) {\n\n\t\t\tconst clip = AnimationClip.parse( json[ i ] );\n\n\t\t\tanimations.push( clip );\n\n\t\t}\n\n\t\treturn animations;\n\n\t}\n\n}\n\n/**\n * Abstract Base class to block based textures loader (dds, pvr, ...)\n *\n * Sub classes have to implement the parse() method which will be used in load().\n */\n\nclass CompressedTextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst images = [];\n\n\t\tconst texture = new CompressedTexture();\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\n\t\tlet loaded = 0;\n\n\t\tfunction loadTexture( i ) {\n\n\t\t\tloader.load( url[ i ], function ( buffer ) {\n\n\t\t\t\tconst texDatas = scope.parse( buffer, true );\n\n\t\t\t\timages[ i ] = {\n\t\t\t\t\twidth: texDatas.width,\n\t\t\t\t\theight: texDatas.height,\n\t\t\t\t\tformat: texDatas.format,\n\t\t\t\t\tmipmaps: texDatas.mipmaps\n\t\t\t\t};\n\n\t\t\t\tloaded += 1;\n\n\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\tif ( texDatas.mipmapCount === 1 ) texture.minFilter = LinearFilter;\n\n\t\t\t\t\ttexture.image = images;\n\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t\tif ( Array.isArray( url ) ) {\n\n\t\t\tfor ( let i = 0, il = url.length; i < il; ++ i ) {\n\n\t\t\t\tloadTexture( i );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// compressed cubemap texture stored in a single DDS file\n\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tconst texDatas = scope.parse( buffer, true );\n\n\t\t\t\tif ( texDatas.isCubemap ) {\n\n\t\t\t\t\tconst faces = texDatas.mipmaps.length / texDatas.mipmapCount;\n\n\t\t\t\t\tfor ( let f = 0; f < faces; f ++ ) {\n\n\t\t\t\t\t\timages[ f ] = { mipmaps: [] };\n\n\t\t\t\t\t\tfor ( let i = 0; i < texDatas.mipmapCount; i ++ ) {\n\n\t\t\t\t\t\t\timages[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] );\n\t\t\t\t\t\t\timages[ f ].format = texDatas.format;\n\t\t\t\t\t\t\timages[ f ].width = texDatas.width;\n\t\t\t\t\t\t\timages[ f ].height = texDatas.height;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.image = images;\n\n\t\t\t\t} else {\n\n\t\t\t\t\ttexture.image.width = texDatas.width;\n\t\t\t\t\ttexture.image.height = texDatas.height;\n\t\t\t\t\ttexture.mipmaps = texDatas.mipmaps;\n\n\t\t\t\t}\n\n\t\t\t\tif ( texDatas.mipmapCount === 1 ) {\n\n\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n}\n\nclass ImageLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst scope = this;\n\n\t\tconst cached = Cache.get( url );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\tsetTimeout( function () {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\tconst image = createElementNS( 'img' );\n\n\t\tfunction onImageLoad() {\n\n\t\t\tremoveEventListeners();\n\n\t\t\tCache.add( url, this );\n\n\t\t\tif ( onLoad ) onLoad( this );\n\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t}\n\n\t\tfunction onImageError( event ) {\n\n\t\t\tremoveEventListeners();\n\n\t\t\tif ( onError ) onError( event );\n\n\t\t\tscope.manager.itemError( url );\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t}\n\n\t\tfunction removeEventListeners() {\n\n\t\t\timage.removeEventListener( 'load', onImageLoad, false );\n\t\t\timage.removeEventListener( 'error', onImageError, false );\n\n\t\t}\n\n\t\timage.addEventListener( 'load', onImageLoad, false );\n\t\timage.addEventListener( 'error', onImageError, false );\n\n\t\tif ( url.slice( 0, 5 ) !== 'data:' ) {\n\n\t\t\tif ( this.crossOrigin !== undefined ) image.crossOrigin = this.crossOrigin;\n\n\t\t}\n\n\t\tscope.manager.itemStart( url );\n\n\t\timage.src = url;\n\n\t\treturn image;\n\n\t}\n\n}\n\nclass CubeTextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( urls, onLoad, onProgress, onError ) {\n\n\t\tconst texture = new CubeTexture();\n\t\ttexture.colorSpace = SRGBColorSpace;\n\n\t\tconst loader = new ImageLoader( this.manager );\n\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\tloader.setPath( this.path );\n\n\t\tlet loaded = 0;\n\n\t\tfunction loadTexture( i ) {\n\n\t\t\tloader.load( urls[ i ], function ( image ) {\n\n\t\t\t\ttexture.images[ i ] = image;\n\n\t\t\t\tloaded ++;\n\n\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, undefined, onError );\n\n\t\t}\n\n\t\tfor ( let i = 0; i < urls.length; ++ i ) {\n\n\t\t\tloadTexture( i );\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n}\n\n/**\n * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...)\n *\n * Sub classes have to implement the parse() method which will be used in load().\n */\n\nclass DataTextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst texture = new DataTexture();\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setPath( this.path );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( buffer ) {\n\n\t\t\tlet texData;\n\n\t\t\ttry {\n\n\t\t\t\ttexData = scope.parse( buffer );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tif ( onError !== undefined ) {\n\n\t\t\t\t\tonError( error );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( error );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( texData.image !== undefined ) {\n\n\t\t\t\ttexture.image = texData.image;\n\n\t\t\t} else if ( texData.data !== undefined ) {\n\n\t\t\t\ttexture.image.width = texData.width;\n\t\t\t\ttexture.image.height = texData.height;\n\t\t\t\ttexture.image.data = texData.data;\n\n\t\t\t}\n\n\t\t\ttexture.wrapS = texData.wrapS !== undefined ? texData.wrapS : ClampToEdgeWrapping;\n\t\t\ttexture.wrapT = texData.wrapT !== undefined ? texData.wrapT : ClampToEdgeWrapping;\n\n\t\t\ttexture.magFilter = texData.magFilter !== undefined ? texData.magFilter : LinearFilter;\n\t\t\ttexture.minFilter = texData.minFilter !== undefined ? texData.minFilter : LinearFilter;\n\n\t\t\ttexture.anisotropy = texData.anisotropy !== undefined ? texData.anisotropy : 1;\n\n\t\t\tif ( texData.colorSpace !== undefined ) {\n\n\t\t\t\ttexture.colorSpace = texData.colorSpace;\n\n\t\t\t}\n\n\t\t\tif ( texData.flipY !== undefined ) {\n\n\t\t\t\ttexture.flipY = texData.flipY;\n\n\t\t\t}\n\n\t\t\tif ( texData.format !== undefined ) {\n\n\t\t\t\ttexture.format = texData.format;\n\n\t\t\t}\n\n\t\t\tif ( texData.type !== undefined ) {\n\n\t\t\t\ttexture.type = texData.type;\n\n\t\t\t}\n\n\t\t\tif ( texData.mipmaps !== undefined ) {\n\n\t\t\t\ttexture.mipmaps = texData.mipmaps;\n\t\t\t\ttexture.minFilter = LinearMipmapLinearFilter; // presumably...\n\n\t\t\t}\n\n\t\t\tif ( texData.mipmapCount === 1 ) {\n\n\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t}\n\n\t\t\tif ( texData.generateMipmaps !== undefined ) {\n\n\t\t\t\ttexture.generateMipmaps = texData.generateMipmaps;\n\n\t\t\t}\n\n\t\t\ttexture.needsUpdate = true;\n\n\t\t\tif ( onLoad ) onLoad( texture, texData );\n\n\t\t}, onProgress, onError );\n\n\n\t\treturn texture;\n\n\t}\n\n}\n\nclass TextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst texture = new Texture();\n\n\t\tconst loader = new ImageLoader( this.manager );\n\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\tloader.setPath( this.path );\n\n\t\tloader.load( url, function ( image ) {\n\n\t\t\ttexture.image = image;\n\t\t\ttexture.needsUpdate = true;\n\n\t\t\tif ( onLoad !== undefined ) {\n\n\t\t\t\tonLoad( texture );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t\treturn texture;\n\n\t}\n\n}\n\nclass Light extends Object3D {\n\n\tconstructor( color, intensity = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.isLight = true;\n\n\t\tthis.type = 'Light';\n\n\t\tthis.color = new Color( color );\n\t\tthis.intensity = intensity;\n\n\t}\n\n\tdispose() {\n\n\t\t// Empty here in base class; some subclasses override.\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.intensity = source.intensity;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.color = this.color.getHex();\n\t\tdata.object.intensity = this.intensity;\n\n\t\tif ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex();\n\n\t\tif ( this.distance !== undefined ) data.object.distance = this.distance;\n\t\tif ( this.angle !== undefined ) data.object.angle = this.angle;\n\t\tif ( this.decay !== undefined ) data.object.decay = this.decay;\n\t\tif ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra;\n\n\t\tif ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON();\n\t\tif ( this.target !== undefined ) data.object.target = this.target.uuid;\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass HemisphereLight extends Light {\n\n\tconstructor( skyColor, groundColor, intensity ) {\n\n\t\tsuper( skyColor, intensity );\n\n\t\tthis.isHemisphereLight = true;\n\n\t\tthis.type = 'HemisphereLight';\n\n\t\tthis.position.copy( Object3D.DEFAULT_UP );\n\t\tthis.updateMatrix();\n\n\t\tthis.groundColor = new Color( groundColor );\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.groundColor.copy( source.groundColor );\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _projScreenMatrix$1 = /*@__PURE__*/ new Matrix4();\nconst _lightPositionWorld$1 = /*@__PURE__*/ new Vector3();\nconst _lookTarget$1 = /*@__PURE__*/ new Vector3();\n\nclass LightShadow {\n\n\tconstructor( camera ) {\n\n\t\tthis.camera = camera;\n\n\t\tthis.intensity = 1;\n\n\t\tthis.bias = 0;\n\t\tthis.normalBias = 0;\n\t\tthis.radius = 1;\n\t\tthis.blurSamples = 8;\n\n\t\tthis.mapSize = new Vector2( 512, 512 );\n\n\t\tthis.map = null;\n\t\tthis.mapPass = null;\n\t\tthis.matrix = new Matrix4();\n\n\t\tthis.autoUpdate = true;\n\t\tthis.needsUpdate = false;\n\n\t\tthis._frustum = new Frustum();\n\t\tthis._frameExtents = new Vector2( 1, 1 );\n\n\t\tthis._viewportCount = 1;\n\n\t\tthis._viewports = [\n\n\t\t\tnew Vector4( 0, 0, 1, 1 )\n\n\t\t];\n\n\t}\n\n\tgetViewportCount() {\n\n\t\treturn this._viewportCount;\n\n\t}\n\n\tgetFrustum() {\n\n\t\treturn this._frustum;\n\n\t}\n\n\tupdateMatrices( light ) {\n\n\t\tconst shadowCamera = this.camera;\n\t\tconst shadowMatrix = this.matrix;\n\n\t\t_lightPositionWorld$1.setFromMatrixPosition( light.matrixWorld );\n\t\tshadowCamera.position.copy( _lightPositionWorld$1 );\n\n\t\t_lookTarget$1.setFromMatrixPosition( light.target.matrixWorld );\n\t\tshadowCamera.lookAt( _lookTarget$1 );\n\t\tshadowCamera.updateMatrixWorld();\n\n\t\t_projScreenMatrix$1.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse );\n\t\tthis._frustum.setFromProjectionMatrix( _projScreenMatrix$1 );\n\n\t\tshadowMatrix.set(\n\t\t\t0.5, 0.0, 0.0, 0.5,\n\t\t\t0.0, 0.5, 0.0, 0.5,\n\t\t\t0.0, 0.0, 0.5, 0.5,\n\t\t\t0.0, 0.0, 0.0, 1.0\n\t\t);\n\n\t\tshadowMatrix.multiply( _projScreenMatrix$1 );\n\n\t}\n\n\tgetViewport( viewportIndex ) {\n\n\t\treturn this._viewports[ viewportIndex ];\n\n\t}\n\n\tgetFrameExtents() {\n\n\t\treturn this._frameExtents;\n\n\t}\n\n\tdispose() {\n\n\t\tif ( this.map ) {\n\n\t\t\tthis.map.dispose();\n\n\t\t}\n\n\t\tif ( this.mapPass ) {\n\n\t\t\tthis.mapPass.dispose();\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.camera = source.camera.clone();\n\n\t\tthis.intensity = source.intensity;\n\n\t\tthis.bias = source.bias;\n\t\tthis.radius = source.radius;\n\n\t\tthis.mapSize.copy( source.mapSize );\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst object = {};\n\n\t\tif ( this.intensity !== 1 ) object.intensity = this.intensity;\n\t\tif ( this.bias !== 0 ) object.bias = this.bias;\n\t\tif ( this.normalBias !== 0 ) object.normalBias = this.normalBias;\n\t\tif ( this.radius !== 1 ) object.radius = this.radius;\n\t\tif ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray();\n\n\t\tobject.camera = this.camera.toJSON( false ).object;\n\t\tdelete object.camera.matrix;\n\n\t\treturn object;\n\n\t}\n\n}\n\nclass SpotLightShadow extends LightShadow {\n\n\tconstructor() {\n\n\t\tsuper( new PerspectiveCamera( 50, 1, 0.5, 500 ) );\n\n\t\tthis.isSpotLightShadow = true;\n\n\t\tthis.focus = 1;\n\n\t}\n\n\tupdateMatrices( light ) {\n\n\t\tconst camera = this.camera;\n\n\t\tconst fov = RAD2DEG * 2 * light.angle * this.focus;\n\t\tconst aspect = this.mapSize.width / this.mapSize.height;\n\t\tconst far = light.distance || camera.far;\n\n\t\tif ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) {\n\n\t\t\tcamera.fov = fov;\n\t\t\tcamera.aspect = aspect;\n\t\t\tcamera.far = far;\n\t\t\tcamera.updateProjectionMatrix();\n\n\t\t}\n\n\t\tsuper.updateMatrices( light );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.focus = source.focus;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass SpotLight extends Light {\n\n\tconstructor( color, intensity, distance = 0, angle = Math.PI / 3, penumbra = 0, decay = 2 ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.isSpotLight = true;\n\n\t\tthis.type = 'SpotLight';\n\n\t\tthis.position.copy( Object3D.DEFAULT_UP );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tthis.distance = distance;\n\t\tthis.angle = angle;\n\t\tthis.penumbra = penumbra;\n\t\tthis.decay = decay;\n\n\t\tthis.map = null;\n\n\t\tthis.shadow = new SpotLightShadow();\n\n\t}\n\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in candela)\n\t\t// by convention for a spotlight, luminous power (lm) = \u03C0 * luminous intensity (cd)\n\t\treturn this.intensity * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in candela) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / Math.PI;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.distance = source.distance;\n\t\tthis.angle = source.angle;\n\t\tthis.penumbra = source.penumbra;\n\t\tthis.decay = source.decay;\n\n\t\tthis.target = source.target.clone();\n\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _projScreenMatrix = /*@__PURE__*/ new Matrix4();\nconst _lightPositionWorld = /*@__PURE__*/ new Vector3();\nconst _lookTarget = /*@__PURE__*/ new Vector3();\n\nclass PointLightShadow extends LightShadow {\n\n\tconstructor() {\n\n\t\tsuper( new PerspectiveCamera( 90, 1, 0.5, 500 ) );\n\n\t\tthis.isPointLightShadow = true;\n\n\t\tthis._frameExtents = new Vector2( 4, 2 );\n\n\t\tthis._viewportCount = 6;\n\n\t\tthis._viewports = [\n\t\t\t// These viewports map a cube-map onto a 2D texture with the\n\t\t\t// following orientation:\n\t\t\t//\n\t\t\t// xzXZ\n\t\t\t// y Y\n\t\t\t//\n\t\t\t// X - Positive x direction\n\t\t\t// x - Negative x direction\n\t\t\t// Y - Positive y direction\n\t\t\t// y - Negative y direction\n\t\t\t// Z - Positive z direction\n\t\t\t// z - Negative z direction\n\n\t\t\t// positive X\n\t\t\tnew Vector4( 2, 1, 1, 1 ),\n\t\t\t// negative X\n\t\t\tnew Vector4( 0, 1, 1, 1 ),\n\t\t\t// positive Z\n\t\t\tnew Vector4( 3, 1, 1, 1 ),\n\t\t\t// negative Z\n\t\t\tnew Vector4( 1, 1, 1, 1 ),\n\t\t\t// positive Y\n\t\t\tnew Vector4( 3, 0, 1, 1 ),\n\t\t\t// negative Y\n\t\t\tnew Vector4( 1, 0, 1, 1 )\n\t\t];\n\n\t\tthis._cubeDirections = [\n\t\t\tnew Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ),\n\t\t\tnew Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 )\n\t\t];\n\n\t\tthis._cubeUps = [\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ),\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ),\tnew Vector3( 0, 0, - 1 )\n\t\t];\n\n\t}\n\n\tupdateMatrices( light, viewportIndex = 0 ) {\n\n\t\tconst camera = this.camera;\n\t\tconst shadowMatrix = this.matrix;\n\n\t\tconst far = light.distance || camera.far;\n\n\t\tif ( far !== camera.far ) {\n\n\t\t\tcamera.far = far;\n\t\t\tcamera.updateProjectionMatrix();\n\n\t\t}\n\n\t\t_lightPositionWorld.setFromMatrixPosition( light.matrixWorld );\n\t\tcamera.position.copy( _lightPositionWorld );\n\n\t\t_lookTarget.copy( camera.position );\n\t\t_lookTarget.add( this._cubeDirections[ viewportIndex ] );\n\t\tcamera.up.copy( this._cubeUps[ viewportIndex ] );\n\t\tcamera.lookAt( _lookTarget );\n\t\tcamera.updateMatrixWorld();\n\n\t\tshadowMatrix.makeTranslation( - _lightPositionWorld.x, - _lightPositionWorld.y, - _lightPositionWorld.z );\n\n\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\tthis._frustum.setFromProjectionMatrix( _projScreenMatrix );\n\n\t}\n\n}\n\nclass PointLight extends Light {\n\n\tconstructor( color, intensity, distance = 0, decay = 2 ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.isPointLight = true;\n\n\t\tthis.type = 'PointLight';\n\n\t\tthis.distance = distance;\n\t\tthis.decay = decay;\n\n\t\tthis.shadow = new PointLightShadow();\n\n\t}\n\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in candela)\n\t\t// for an isotropic light source, luminous power (lm) = 4 \u03C0 luminous intensity (cd)\n\t\treturn this.intensity * 4 * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in candela) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / ( 4 * Math.PI );\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.distance = source.distance;\n\t\tthis.decay = source.decay;\n\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass OrthographicCamera extends Camera {\n\n\tconstructor( left = - 1, right = 1, top = 1, bottom = - 1, near = 0.1, far = 2000 ) {\n\n\t\tsuper();\n\n\t\tthis.isOrthographicCamera = true;\n\n\t\tthis.type = 'OrthographicCamera';\n\n\t\tthis.zoom = 1;\n\t\tthis.view = null;\n\n\t\tthis.left = left;\n\t\tthis.right = right;\n\t\tthis.top = top;\n\t\tthis.bottom = bottom;\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.left = source.left;\n\t\tthis.right = source.right;\n\t\tthis.top = source.top;\n\t\tthis.bottom = source.bottom;\n\t\tthis.near = source.near;\n\t\tthis.far = source.far;\n\n\t\tthis.zoom = source.zoom;\n\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\treturn this;\n\n\t}\n\n\tsetViewOffset( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\tif ( this.view === null ) {\n\n\t\t\tthis.view = {\n\t\t\t\tenabled: true,\n\t\t\t\tfullWidth: 1,\n\t\t\t\tfullHeight: 1,\n\t\t\t\toffsetX: 0,\n\t\t\t\toffsetY: 0,\n\t\t\t\twidth: 1,\n\t\t\t\theight: 1\n\t\t\t};\n\n\t\t}\n\n\t\tthis.view.enabled = true;\n\t\tthis.view.fullWidth = fullWidth;\n\t\tthis.view.fullHeight = fullHeight;\n\t\tthis.view.offsetX = x;\n\t\tthis.view.offsetY = y;\n\t\tthis.view.width = width;\n\t\tthis.view.height = height;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tclearViewOffset() {\n\n\t\tif ( this.view !== null ) {\n\n\t\t\tthis.view.enabled = false;\n\n\t\t}\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tupdateProjectionMatrix() {\n\n\t\tconst dx = ( this.right - this.left ) / ( 2 * this.zoom );\n\t\tconst dy = ( this.top - this.bottom ) / ( 2 * this.zoom );\n\t\tconst cx = ( this.right + this.left ) / 2;\n\t\tconst cy = ( this.top + this.bottom ) / 2;\n\n\t\tlet left = cx - dx;\n\t\tlet right = cx + dx;\n\t\tlet top = cy + dy;\n\t\tlet bottom = cy - dy;\n\n\t\tif ( this.view !== null && this.view.enabled ) {\n\n\t\t\tconst scaleW = ( this.right - this.left ) / this.view.fullWidth / this.zoom;\n\t\t\tconst scaleH = ( this.top - this.bottom ) / this.view.fullHeight / this.zoom;\n\n\t\t\tleft += scaleW * this.view.offsetX;\n\t\t\tright = left + scaleW * this.view.width;\n\t\t\ttop -= scaleH * this.view.offsetY;\n\t\t\tbottom = top - scaleH * this.view.height;\n\n\t\t}\n\n\t\tthis.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far, this.coordinateSystem );\n\n\t\tthis.projectionMatrixInverse.copy( this.projectionMatrix ).invert();\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.zoom = this.zoom;\n\t\tdata.object.left = this.left;\n\t\tdata.object.right = this.right;\n\t\tdata.object.top = this.top;\n\t\tdata.object.bottom = this.bottom;\n\t\tdata.object.near = this.near;\n\t\tdata.object.far = this.far;\n\n\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass DirectionalLightShadow extends LightShadow {\n\n\tconstructor() {\n\n\t\tsuper( new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) );\n\n\t\tthis.isDirectionalLightShadow = true;\n\n\t}\n\n}\n\nclass DirectionalLight extends Light {\n\n\tconstructor( color, intensity ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.isDirectionalLight = true;\n\n\t\tthis.type = 'DirectionalLight';\n\n\t\tthis.position.copy( Object3D.DEFAULT_UP );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tthis.shadow = new DirectionalLightShadow();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.target = source.target.clone();\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass AmbientLight extends Light {\n\n\tconstructor( color, intensity ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.isAmbientLight = true;\n\n\t\tthis.type = 'AmbientLight';\n\n\t}\n\n}\n\nclass RectAreaLight extends Light {\n\n\tconstructor( color, intensity, width = 10, height = 10 ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.isRectAreaLight = true;\n\n\t\tthis.type = 'RectAreaLight';\n\n\t\tthis.width = width;\n\t\tthis.height = height;\n\n\t}\n\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in nits)\n\t\treturn this.intensity * this.width * this.height * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in nits) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / ( this.width * this.height * Math.PI );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.width = source.width;\n\t\tthis.height = source.height;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.width = this.width;\n\t\tdata.object.height = this.height;\n\n\t\treturn data;\n\n\t}\n\n}\n\n/**\n * Primary reference:\n * https://graphics.stanford.edu/papers/envmap/envmap.pdf\n *\n * Secondary reference:\n * https://www.ppsloan.org/publications/StupidSH36.pdf\n */\n\n// 3-band SH defined by 9 coefficients\n\nclass SphericalHarmonics3 {\n\n\tconstructor() {\n\n\t\tthis.isSphericalHarmonics3 = true;\n\n\t\tthis.coefficients = [];\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients.push( new Vector3() );\n\n\t\t}\n\n\t}\n\n\tset( coefficients ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].copy( coefficients[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tzero() {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].set( 0, 0, 0 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// get the radiance in the direction of the normal\n\t// target is a Vector3\n\tgetAt( normal, target ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\tconst coeff = this.coefficients;\n\n\t\t// band 0\n\t\ttarget.copy( coeff[ 0 ] ).multiplyScalar( 0.282095 );\n\n\t\t// band 1\n\t\ttarget.addScaledVector( coeff[ 1 ], 0.488603 * y );\n\t\ttarget.addScaledVector( coeff[ 2 ], 0.488603 * z );\n\t\ttarget.addScaledVector( coeff[ 3 ], 0.488603 * x );\n\n\t\t// band 2\n\t\ttarget.addScaledVector( coeff[ 4 ], 1.092548 * ( x * y ) );\n\t\ttarget.addScaledVector( coeff[ 5 ], 1.092548 * ( y * z ) );\n\t\ttarget.addScaledVector( coeff[ 6 ], 0.315392 * ( 3.0 * z * z - 1.0 ) );\n\t\ttarget.addScaledVector( coeff[ 7 ], 1.092548 * ( x * z ) );\n\t\ttarget.addScaledVector( coeff[ 8 ], 0.546274 * ( x * x - y * y ) );\n\n\t\treturn target;\n\n\t}\n\n\t// get the irradiance (radiance convolved with cosine lobe) in the direction of the normal\n\t// target is a Vector3\n\t// https://graphics.stanford.edu/papers/envmap/envmap.pdf\n\tgetIrradianceAt( normal, target ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\tconst coeff = this.coefficients;\n\n\t\t// band 0\n\t\ttarget.copy( coeff[ 0 ] ).multiplyScalar( 0.886227 ); // \u03C0 * 0.282095\n\n\t\t// band 1\n\t\ttarget.addScaledVector( coeff[ 1 ], 2.0 * 0.511664 * y ); // ( 2 * \u03C0 / 3 ) * 0.488603\n\t\ttarget.addScaledVector( coeff[ 2 ], 2.0 * 0.511664 * z );\n\t\ttarget.addScaledVector( coeff[ 3 ], 2.0 * 0.511664 * x );\n\n\t\t// band 2\n\t\ttarget.addScaledVector( coeff[ 4 ], 2.0 * 0.429043 * x * y ); // ( \u03C0 / 4 ) * 1.092548\n\t\ttarget.addScaledVector( coeff[ 5 ], 2.0 * 0.429043 * y * z );\n\t\ttarget.addScaledVector( coeff[ 6 ], 0.743125 * z * z - 0.247708 ); // ( \u03C0 / 4 ) * 0.315392 * 3\n\t\ttarget.addScaledVector( coeff[ 7 ], 2.0 * 0.429043 * x * z );\n\t\ttarget.addScaledVector( coeff[ 8 ], 0.429043 * ( x * x - y * y ) ); // ( \u03C0 / 4 ) * 0.546274\n\n\t\treturn target;\n\n\t}\n\n\tadd( sh ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].add( sh.coefficients[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\taddScaledSH( sh, s ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].addScaledVector( sh.coefficients[ i ], s );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tscale( s ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].multiplyScalar( s );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tlerp( sh, alpha ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].lerp( sh.coefficients[ i ], alpha );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tequals( sh ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tif ( ! this.coefficients[ i ].equals( sh.coefficients[ i ] ) ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tcopy( sh ) {\n\n\t\treturn this.set( sh.coefficients );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tconst coefficients = this.coefficients;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tcoefficients[ i ].fromArray( array, offset + ( i * 3 ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst coefficients = this.coefficients;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tcoefficients[ i ].toArray( array, offset + ( i * 3 ) );\n\n\t\t}\n\n\t\treturn array;\n\n\t}\n\n\t// evaluate the basis functions\n\t// shBasis is an Array[ 9 ]\n\tstatic getBasisAt( normal, shBasis ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\t// band 0\n\t\tshBasis[ 0 ] = 0.282095;\n\n\t\t// band 1\n\t\tshBasis[ 1 ] = 0.488603 * y;\n\t\tshBasis[ 2 ] = 0.488603 * z;\n\t\tshBasis[ 3 ] = 0.488603 * x;\n\n\t\t// band 2\n\t\tshBasis[ 4 ] = 1.092548 * x * y;\n\t\tshBasis[ 5 ] = 1.092548 * y * z;\n\t\tshBasis[ 6 ] = 0.315392 * ( 3 * z * z - 1 );\n\t\tshBasis[ 7 ] = 1.092548 * x * z;\n\t\tshBasis[ 8 ] = 0.546274 * ( x * x - y * y );\n\n\t}\n\n}\n\nclass LightProbe extends Light {\n\n\tconstructor( sh = new SphericalHarmonics3(), intensity = 1 ) {\n\n\t\tsuper( undefined, intensity );\n\n\t\tthis.isLightProbe = true;\n\n\t\tthis.sh = sh;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.sh.copy( source.sh );\n\n\t\treturn this;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tthis.intensity = json.intensity; // TODO: Move this bit to Light.fromJSON();\n\t\tthis.sh.fromArray( json.sh );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.sh = this.sh.toArray();\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass MaterialLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\t\tthis.textures = {};\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( scope.manager );\n\t\tloader.setPath( scope.path );\n\t\tloader.setRequestHeader( scope.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\tconst textures = this.textures;\n\n\t\tfunction getTexture( name ) {\n\n\t\t\tif ( textures[ name ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.MaterialLoader: Undefined texture', name );\n\n\t\t\t}\n\n\t\t\treturn textures[ name ];\n\n\t\t}\n\n\t\tconst material = this.createMaterialFromType( json.type );\n\n\t\tif ( json.uuid !== undefined ) material.uuid = json.uuid;\n\t\tif ( json.name !== undefined ) material.name = json.name;\n\t\tif ( json.color !== undefined && material.color !== undefined ) material.color.setHex( json.color );\n\t\tif ( json.roughness !== undefined ) material.roughness = json.roughness;\n\t\tif ( json.metalness !== undefined ) material.metalness = json.metalness;\n\t\tif ( json.sheen !== undefined ) material.sheen = json.sheen;\n\t\tif ( json.sheenColor !== undefined ) material.sheenColor = new Color().setHex( json.sheenColor );\n\t\tif ( json.sheenRoughness !== undefined ) material.sheenRoughness = json.sheenRoughness;\n\t\tif ( json.emissive !== undefined && material.emissive !== undefined ) material.emissive.setHex( json.emissive );\n\t\tif ( json.specular !== undefined && material.specular !== undefined ) material.specular.setHex( json.specular );\n\t\tif ( json.specularIntensity !== undefined ) material.specularIntensity = json.specularIntensity;\n\t\tif ( json.specularColor !== undefined && material.specularColor !== undefined ) material.specularColor.setHex( json.specularColor );\n\t\tif ( json.shininess !== undefined ) material.shininess = json.shininess;\n\t\tif ( json.clearcoat !== undefined ) material.clearcoat = json.clearcoat;\n\t\tif ( json.clearcoatRoughness !== undefined ) material.clearcoatRoughness = json.clearcoatRoughness;\n\t\tif ( json.dispersion !== undefined ) material.dispersion = json.dispersion;\n\t\tif ( json.iridescence !== undefined ) material.iridescence = json.iridescence;\n\t\tif ( json.iridescenceIOR !== undefined ) material.iridescenceIOR = json.iridescenceIOR;\n\t\tif ( json.iridescenceThicknessRange !== undefined ) material.iridescenceThicknessRange = json.iridescenceThicknessRange;\n\t\tif ( json.transmission !== undefined ) material.transmission = json.transmission;\n\t\tif ( json.thickness !== undefined ) material.thickness = json.thickness;\n\t\tif ( json.attenuationDistance !== undefined ) material.attenuationDistance = json.attenuationDistance;\n\t\tif ( json.attenuationColor !== undefined && material.attenuationColor !== undefined ) material.attenuationColor.setHex( json.attenuationColor );\n\t\tif ( json.anisotropy !== undefined ) material.anisotropy = json.anisotropy;\n\t\tif ( json.anisotropyRotation !== undefined ) material.anisotropyRotation = json.anisotropyRotation;\n\t\tif ( json.fog !== undefined ) material.fog = json.fog;\n\t\tif ( json.flatShading !== undefined ) material.flatShading = json.flatShading;\n\t\tif ( json.blending !== undefined ) material.blending = json.blending;\n\t\tif ( json.combine !== undefined ) material.combine = json.combine;\n\t\tif ( json.side !== undefined ) material.side = json.side;\n\t\tif ( json.shadowSide !== undefined ) material.shadowSide = json.shadowSide;\n\t\tif ( json.opacity !== undefined ) material.opacity = json.opacity;\n\t\tif ( json.transparent !== undefined ) material.transparent = json.transparent;\n\t\tif ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest;\n\t\tif ( json.alphaHash !== undefined ) material.alphaHash = json.alphaHash;\n\t\tif ( json.depthFunc !== undefined ) material.depthFunc = json.depthFunc;\n\t\tif ( json.depthTest !== undefined ) material.depthTest = json.depthTest;\n\t\tif ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite;\n\t\tif ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite;\n\t\tif ( json.blendSrc !== undefined ) material.blendSrc = json.blendSrc;\n\t\tif ( json.blendDst !== undefined ) material.blendDst = json.blendDst;\n\t\tif ( json.blendEquation !== undefined ) material.blendEquation = json.blendEquation;\n\t\tif ( json.blendSrcAlpha !== undefined ) material.blendSrcAlpha = json.blendSrcAlpha;\n\t\tif ( json.blendDstAlpha !== undefined ) material.blendDstAlpha = json.blendDstAlpha;\n\t\tif ( json.blendEquationAlpha !== undefined ) material.blendEquationAlpha = json.blendEquationAlpha;\n\t\tif ( json.blendColor !== undefined && material.blendColor !== undefined ) material.blendColor.setHex( json.blendColor );\n\t\tif ( json.blendAlpha !== undefined ) material.blendAlpha = json.blendAlpha;\n\t\tif ( json.stencilWriteMask !== undefined ) material.stencilWriteMask = json.stencilWriteMask;\n\t\tif ( json.stencilFunc !== undefined ) material.stencilFunc = json.stencilFunc;\n\t\tif ( json.stencilRef !== undefined ) material.stencilRef = json.stencilRef;\n\t\tif ( json.stencilFuncMask !== undefined ) material.stencilFuncMask = json.stencilFuncMask;\n\t\tif ( json.stencilFail !== undefined ) material.stencilFail = json.stencilFail;\n\t\tif ( json.stencilZFail !== undefined ) material.stencilZFail = json.stencilZFail;\n\t\tif ( json.stencilZPass !== undefined ) material.stencilZPass = json.stencilZPass;\n\t\tif ( json.stencilWrite !== undefined ) material.stencilWrite = json.stencilWrite;\n\n\t\tif ( json.wireframe !== undefined ) material.wireframe = json.wireframe;\n\t\tif ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth;\n\t\tif ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap;\n\t\tif ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin;\n\n\t\tif ( json.rotation !== undefined ) material.rotation = json.rotation;\n\n\t\tif ( json.linewidth !== undefined ) material.linewidth = json.linewidth;\n\t\tif ( json.dashSize !== undefined ) material.dashSize = json.dashSize;\n\t\tif ( json.gapSize !== undefined ) material.gapSize = json.gapSize;\n\t\tif ( json.scale !== undefined ) material.scale = json.scale;\n\n\t\tif ( json.polygonOffset !== undefined ) material.polygonOffset = json.polygonOffset;\n\t\tif ( json.polygonOffsetFactor !== undefined ) material.polygonOffsetFactor = json.polygonOffsetFactor;\n\t\tif ( json.polygonOffsetUnits !== undefined ) material.polygonOffsetUnits = json.polygonOffsetUnits;\n\n\t\tif ( json.dithering !== undefined ) material.dithering = json.dithering;\n\n\t\tif ( json.alphaToCoverage !== undefined ) material.alphaToCoverage = json.alphaToCoverage;\n\t\tif ( json.premultipliedAlpha !== undefined ) material.premultipliedAlpha = json.premultipliedAlpha;\n\t\tif ( json.forceSinglePass !== undefined ) material.forceSinglePass = json.forceSinglePass;\n\n\t\tif ( json.visible !== undefined ) material.visible = json.visible;\n\n\t\tif ( json.toneMapped !== undefined ) material.toneMapped = json.toneMapped;\n\n\t\tif ( json.userData !== undefined ) material.userData = json.userData;\n\n\t\tif ( json.vertexColors !== undefined ) {\n\n\t\t\tif ( typeof json.vertexColors === 'number' ) {\n\n\t\t\t\tmaterial.vertexColors = ( json.vertexColors > 0 ) ? true : false;\n\n\t\t\t} else {\n\n\t\t\t\tmaterial.vertexColors = json.vertexColors;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Shader Material\n\n\t\tif ( json.uniforms !== undefined ) {\n\n\t\t\tfor ( const name in json.uniforms ) {\n\n\t\t\t\tconst uniform = json.uniforms[ name ];\n\n\t\t\t\tmaterial.uniforms[ name ] = {};\n\n\t\t\t\tswitch ( uniform.type ) {\n\n\t\t\t\t\tcase 't':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = getTexture( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'c':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Color().setHex( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v2':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector2().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v3':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector3().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v4':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector4().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'm3':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Matrix3().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'm4':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Matrix4().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = uniform.value;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json.defines !== undefined ) material.defines = json.defines;\n\t\tif ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader;\n\t\tif ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader;\n\t\tif ( json.glslVersion !== undefined ) material.glslVersion = json.glslVersion;\n\n\t\tif ( json.extensions !== undefined ) {\n\n\t\t\tfor ( const key in json.extensions ) {\n\n\t\t\t\tmaterial.extensions[ key ] = json.extensions[ key ];\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json.lights !== undefined ) material.lights = json.lights;\n\t\tif ( json.clipping !== undefined ) material.clipping = json.clipping;\n\n\t\t// for PointsMaterial\n\n\t\tif ( json.size !== undefined ) material.size = json.size;\n\t\tif ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation;\n\n\t\t// maps\n\n\t\tif ( json.map !== undefined ) material.map = getTexture( json.map );\n\t\tif ( json.matcap !== undefined ) material.matcap = getTexture( json.matcap );\n\n\t\tif ( json.alphaMap !== undefined ) material.alphaMap = getTexture( json.alphaMap );\n\n\t\tif ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap );\n\t\tif ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale;\n\n\t\tif ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap );\n\t\tif ( json.normalMapType !== undefined ) material.normalMapType = json.normalMapType;\n\t\tif ( json.normalScale !== undefined ) {\n\n\t\t\tlet normalScale = json.normalScale;\n\n\t\t\tif ( Array.isArray( normalScale ) === false ) {\n\n\t\t\t\t// Blender exporter used to export a scalar. See #7459\n\n\t\t\t\tnormalScale = [ normalScale, normalScale ];\n\n\t\t\t}\n\n\t\t\tmaterial.normalScale = new Vector2().fromArray( normalScale );\n\n\t\t}\n\n\t\tif ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap );\n\t\tif ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale;\n\t\tif ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias;\n\n\t\tif ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap );\n\t\tif ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap );\n\n\t\tif ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap );\n\t\tif ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity;\n\n\t\tif ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap );\n\t\tif ( json.specularIntensityMap !== undefined ) material.specularIntensityMap = getTexture( json.specularIntensityMap );\n\t\tif ( json.specularColorMap !== undefined ) material.specularColorMap = getTexture( json.specularColorMap );\n\n\t\tif ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap );\n\t\tif ( json.envMapRotation !== undefined ) material.envMapRotation.fromArray( json.envMapRotation );\n\t\tif ( json.envMapIntensity !== undefined ) material.envMapIntensity = json.envMapIntensity;\n\n\t\tif ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity;\n\t\tif ( json.refractionRatio !== undefined ) material.refractionRatio = json.refractionRatio;\n\n\t\tif ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap );\n\t\tif ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity;\n\n\t\tif ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap );\n\t\tif ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity;\n\n\t\tif ( json.gradientMap !== undefined ) material.gradientMap = getTexture( json.gradientMap );\n\n\t\tif ( json.clearcoatMap !== undefined ) material.clearcoatMap = getTexture( json.clearcoatMap );\n\t\tif ( json.clearcoatRoughnessMap !== undefined ) material.clearcoatRoughnessMap = getTexture( json.clearcoatRoughnessMap );\n\t\tif ( json.clearcoatNormalMap !== undefined ) material.clearcoatNormalMap = getTexture( json.clearcoatNormalMap );\n\t\tif ( json.clearcoatNormalScale !== undefined ) material.clearcoatNormalScale = new Vector2().fromArray( json.clearcoatNormalScale );\n\n\t\tif ( json.iridescenceMap !== undefined ) material.iridescenceMap = getTexture( json.iridescenceMap );\n\t\tif ( json.iridescenceThicknessMap !== undefined ) material.iridescenceThicknessMap = getTexture( json.iridescenceThicknessMap );\n\n\t\tif ( json.transmissionMap !== undefined ) material.transmissionMap = getTexture( json.transmissionMap );\n\t\tif ( json.thicknessMap !== undefined ) material.thicknessMap = getTexture( json.thicknessMap );\n\n\t\tif ( json.anisotropyMap !== undefined ) material.anisotropyMap = getTexture( json.anisotropyMap );\n\n\t\tif ( json.sheenColorMap !== undefined ) material.sheenColorMap = getTexture( json.sheenColorMap );\n\t\tif ( json.sheenRoughnessMap !== undefined ) material.sheenRoughnessMap = getTexture( json.sheenRoughnessMap );\n\n\t\treturn material;\n\n\t}\n\n\tsetTextures( value ) {\n\n\t\tthis.textures = value;\n\t\treturn this;\n\n\t}\n\n\tcreateMaterialFromType( type ) {\n\n\t\treturn MaterialLoader.createMaterialFromType( type );\n\n\t}\n\n\tstatic createMaterialFromType( type ) {\n\n\t\tconst materialLib = {\n\t\t\tShadowMaterial,\n\t\t\tSpriteMaterial,\n\t\t\tRawShaderMaterial,\n\t\t\tShaderMaterial,\n\t\t\tPointsMaterial,\n\t\t\tMeshPhysicalMaterial,\n\t\t\tMeshStandardMaterial,\n\t\t\tMeshPhongMaterial,\n\t\t\tMeshToonMaterial,\n\t\t\tMeshNormalMaterial,\n\t\t\tMeshLambertMaterial,\n\t\t\tMeshDepthMaterial,\n\t\t\tMeshDistanceMaterial,\n\t\t\tMeshBasicMaterial,\n\t\t\tMeshMatcapMaterial,\n\t\t\tLineDashedMaterial,\n\t\t\tLineBasicMaterial,\n\t\t\tMaterial\n\t\t};\n\n\t\treturn new materialLib[ type ]();\n\n\t}\n\n}\n\nclass LoaderUtils {\n\n\tstatic decodeText( array ) { // @deprecated, r165\n\n\t\tconsole.warn( 'THREE.LoaderUtils: decodeText() has been deprecated with r165 and will be removed with r175. Use TextDecoder instead.' );\n\n\t\tif ( typeof TextDecoder !== 'undefined' ) {\n\n\t\t\treturn new TextDecoder().decode( array );\n\n\t\t}\n\n\t\t// Avoid the String.fromCharCode.apply(null, array) shortcut, which\n\t\t// throws a \"maximum call stack size exceeded\" error for large arrays.\n\n\t\tlet s = '';\n\n\t\tfor ( let i = 0, il = array.length; i < il; i ++ ) {\n\n\t\t\t// Implicitly assumes little-endian.\n\t\t\ts += String.fromCharCode( array[ i ] );\n\n\t\t}\n\n\t\ttry {\n\n\t\t\t// merges multi-byte utf-8 characters.\n\n\t\t\treturn decodeURIComponent( escape( s ) );\n\n\t\t} catch ( e ) { // see #16358\n\n\t\t\treturn s;\n\n\t\t}\n\n\t}\n\n\tstatic extractUrlBase( url ) {\n\n\t\tconst index = url.lastIndexOf( '/' );\n\n\t\tif ( index === - 1 ) return './';\n\n\t\treturn url.slice( 0, index + 1 );\n\n\t}\n\n\tstatic resolveURL( url, path ) {\n\n\t\t// Invalid URL\n\t\tif ( typeof url !== 'string' || url === '' ) return '';\n\n\t\t// Host Relative URL\n\t\tif ( /^https?:\\/\\//i.test( path ) && /^\\//.test( url ) ) {\n\n\t\t\tpath = path.replace( /(^https?:\\/\\/[^\\/]+).*/i, '$1' );\n\n\t\t}\n\n\t\t// Absolute URL http://,https://,//\n\t\tif ( /^(https?:)?\\/\\//i.test( url ) ) return url;\n\n\t\t// Data URI\n\t\tif ( /^data:.*,.*$/i.test( url ) ) return url;\n\n\t\t// Blob URL\n\t\tif ( /^blob:.*$/i.test( url ) ) return url;\n\n\t\t// Relative URL\n\t\treturn path + url;\n\n\t}\n\n}\n\nclass InstancedBufferGeometry extends BufferGeometry {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isInstancedBufferGeometry = true;\n\n\t\tthis.type = 'InstancedBufferGeometry';\n\t\tthis.instanceCount = Infinity;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.instanceCount = source.instanceCount;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.instanceCount = this.instanceCount;\n\n\t\tdata.isInstancedBufferGeometry = true;\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass BufferGeometryLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( scope.manager );\n\t\tloader.setPath( scope.path );\n\t\tloader.setRequestHeader( scope.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\tconst interleavedBufferMap = {};\n\t\tconst arrayBufferMap = {};\n\n\t\tfunction getInterleavedBuffer( json, uuid ) {\n\n\t\t\tif ( interleavedBufferMap[ uuid ] !== undefined ) return interleavedBufferMap[ uuid ];\n\n\t\t\tconst interleavedBuffers = json.interleavedBuffers;\n\t\t\tconst interleavedBuffer = interleavedBuffers[ uuid ];\n\n\t\t\tconst buffer = getArrayBuffer( json, interleavedBuffer.buffer );\n\n\t\t\tconst array = getTypedArray( interleavedBuffer.type, buffer );\n\t\t\tconst ib = new InterleavedBuffer( array, interleavedBuffer.stride );\n\t\t\tib.uuid = interleavedBuffer.uuid;\n\n\t\t\tinterleavedBufferMap[ uuid ] = ib;\n\n\t\t\treturn ib;\n\n\t\t}\n\n\t\tfunction getArrayBuffer( json, uuid ) {\n\n\t\t\tif ( arrayBufferMap[ uuid ] !== undefined ) return arrayBufferMap[ uuid ];\n\n\t\t\tconst arrayBuffers = json.arrayBuffers;\n\t\t\tconst arrayBuffer = arrayBuffers[ uuid ];\n\n\t\t\tconst ab = new Uint32Array( arrayBuffer ).buffer;\n\n\t\t\tarrayBufferMap[ uuid ] = ab;\n\n\t\t\treturn ab;\n\n\t\t}\n\n\t\tconst geometry = json.isInstancedBufferGeometry ? new InstancedBufferGeometry() : new BufferGeometry();\n\n\t\tconst index = json.data.index;\n\n\t\tif ( index !== undefined ) {\n\n\t\t\tconst typedArray = getTypedArray( index.type, index.array );\n\t\t\tgeometry.setIndex( new BufferAttribute( typedArray, 1 ) );\n\n\t\t}\n\n\t\tconst attributes = json.data.attributes;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tconst attribute = attributes[ key ];\n\t\t\tlet bufferAttribute;\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\tconst interleavedBuffer = getInterleavedBuffer( json.data, attribute.data );\n\t\t\t\tbufferAttribute = new InterleavedBufferAttribute( interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized );\n\n\t\t\t} else {\n\n\t\t\t\tconst typedArray = getTypedArray( attribute.type, attribute.array );\n\t\t\t\tconst bufferAttributeConstr = attribute.isInstancedBufferAttribute ? InstancedBufferAttribute : BufferAttribute;\n\t\t\t\tbufferAttribute = new bufferAttributeConstr( typedArray, attribute.itemSize, attribute.normalized );\n\n\t\t\t}\n\n\t\t\tif ( attribute.name !== undefined ) bufferAttribute.name = attribute.name;\n\t\t\tif ( attribute.usage !== undefined ) bufferAttribute.setUsage( attribute.usage );\n\n\t\t\tgeometry.setAttribute( key, bufferAttribute );\n\n\t\t}\n\n\t\tconst morphAttributes = json.data.morphAttributes;\n\n\t\tif ( morphAttributes ) {\n\n\t\t\tfor ( const key in morphAttributes ) {\n\n\t\t\t\tconst attributeArray = morphAttributes[ key ];\n\n\t\t\t\tconst array = [];\n\n\t\t\t\tfor ( let i = 0, il = attributeArray.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst attribute = attributeArray[ i ];\n\t\t\t\t\tlet bufferAttribute;\n\n\t\t\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\tconst interleavedBuffer = getInterleavedBuffer( json.data, attribute.data );\n\t\t\t\t\t\tbufferAttribute = new InterleavedBufferAttribute( interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst typedArray = getTypedArray( attribute.type, attribute.array );\n\t\t\t\t\t\tbufferAttribute = new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( attribute.name !== undefined ) bufferAttribute.name = attribute.name;\n\t\t\t\t\tarray.push( bufferAttribute );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.morphAttributes[ key ] = array;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst morphTargetsRelative = json.data.morphTargetsRelative;\n\n\t\tif ( morphTargetsRelative ) {\n\n\t\t\tgeometry.morphTargetsRelative = true;\n\n\t\t}\n\n\t\tconst groups = json.data.groups || json.data.drawcalls || json.data.offsets;\n\n\t\tif ( groups !== undefined ) {\n\n\t\t\tfor ( let i = 0, n = groups.length; i !== n; ++ i ) {\n\n\t\t\t\tconst group = groups[ i ];\n\n\t\t\t\tgeometry.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst boundingSphere = json.data.boundingSphere;\n\n\t\tif ( boundingSphere !== undefined ) {\n\n\t\t\tconst center = new Vector3();\n\n\t\t\tif ( boundingSphere.center !== undefined ) {\n\n\t\t\t\tcenter.fromArray( boundingSphere.center );\n\n\t\t\t}\n\n\t\t\tgeometry.boundingSphere = new Sphere( center, boundingSphere.radius );\n\n\t\t}\n\n\t\tif ( json.name ) geometry.name = json.name;\n\t\tif ( json.userData ) geometry.userData = json.userData;\n\n\t\treturn geometry;\n\n\t}\n\n}\n\nclass ObjectLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path;\n\t\tthis.resourcePath = this.resourcePath || path;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\tlet json = null;\n\n\t\t\ttry {\n\n\t\t\t\tjson = JSON.parse( text );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tif ( onError !== undefined ) onError( error );\n\n\t\t\t\tconsole.error( 'THREE:ObjectLoader: Can\\'t parse ' + url + '.', error.message );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tconst metadata = json.metadata;\n\n\t\t\tif ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) {\n\n\t\t\t\tif ( onError !== undefined ) onError( new Error( 'THREE.ObjectLoader: Can\\'t load ' + url ) );\n\n\t\t\t\tconsole.error( 'THREE.ObjectLoader: Can\\'t load ' + url );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tscope.parse( json, onLoad );\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tasync loadAsync( url, onProgress ) {\n\n\t\tconst scope = this;\n\n\t\tconst path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path;\n\t\tthis.resourcePath = this.resourcePath || path;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\n\t\tconst text = await loader.loadAsync( url, onProgress );\n\n\t\tconst json = JSON.parse( text );\n\n\t\tconst metadata = json.metadata;\n\n\t\tif ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) {\n\n\t\t\tthrow new Error( 'THREE.ObjectLoader: Can\\'t load ' + url );\n\n\t\t}\n\n\t\treturn await scope.parseAsync( json );\n\n\t}\n\n\tparse( json, onLoad ) {\n\n\t\tconst animations = this.parseAnimations( json.animations );\n\t\tconst shapes = this.parseShapes( json.shapes );\n\t\tconst geometries = this.parseGeometries( json.geometries, shapes );\n\n\t\tconst images = this.parseImages( json.images, function () {\n\n\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t} );\n\n\t\tconst textures = this.parseTextures( json.textures, images );\n\t\tconst materials = this.parseMaterials( json.materials, textures );\n\n\t\tconst object = this.parseObject( json.object, geometries, materials, textures, animations );\n\t\tconst skeletons = this.parseSkeletons( json.skeletons, object );\n\n\t\tthis.bindSkeletons( object, skeletons );\n\t\tthis.bindLightTargets( object );\n\n\t\t//\n\n\t\tif ( onLoad !== undefined ) {\n\n\t\t\tlet hasImages = false;\n\n\t\t\tfor ( const uuid in images ) {\n\n\t\t\t\tif ( images[ uuid ].data instanceof HTMLImageElement ) {\n\n\t\t\t\t\thasImages = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( hasImages === false ) onLoad( object );\n\n\t\t}\n\n\t\treturn object;\n\n\t}\n\n\tasync parseAsync( json ) {\n\n\t\tconst animations = this.parseAnimations( json.animations );\n\t\tconst shapes = this.parseShapes( json.shapes );\n\t\tconst geometries = this.parseGeometries( json.geometries, shapes );\n\n\t\tconst images = await this.parseImagesAsync( json.images );\n\n\t\tconst textures = this.parseTextures( json.textures, images );\n\t\tconst materials = this.parseMaterials( json.materials, textures );\n\n\t\tconst object = this.parseObject( json.object, geometries, materials, textures, animations );\n\t\tconst skeletons = this.parseSkeletons( json.skeletons, object );\n\n\t\tthis.bindSkeletons( object, skeletons );\n\t\tthis.bindLightTargets( object );\n\n\t\treturn object;\n\n\t}\n\n\tparseShapes( json ) {\n\n\t\tconst shapes = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst shape = new Shape().fromJSON( json[ i ] );\n\n\t\t\t\tshapes[ shape.uuid ] = shape;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn shapes;\n\n\t}\n\n\tparseSkeletons( json, object ) {\n\n\t\tconst skeletons = {};\n\t\tconst bones = {};\n\n\t\t// generate bone lookup table\n\n\t\tobject.traverse( function ( child ) {\n\n\t\t\tif ( child.isBone ) bones[ child.uuid ] = child;\n\n\t\t} );\n\n\t\t// create skeletons\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst skeleton = new Skeleton().fromJSON( json[ i ], bones );\n\n\t\t\t\tskeletons[ skeleton.uuid ] = skeleton;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn skeletons;\n\n\t}\n\n\tparseGeometries( json, shapes ) {\n\n\t\tconst geometries = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tconst bufferGeometryLoader = new BufferGeometryLoader();\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tlet geometry;\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\tcase 'BufferGeometry':\n\t\t\t\t\tcase 'InstancedBufferGeometry':\n\n\t\t\t\t\t\tgeometry = bufferGeometryLoader.parse( data );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tif ( data.type in Geometries ) {\n\n\t\t\t\t\t\t\tgeometry = Geometries[ data.type ].fromJSON( data, shapes );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tconsole.warn( `THREE.ObjectLoader: Unsupported geometry type \"${ data.type }\"` );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) geometry.name = data.name;\n\t\t\t\tif ( data.userData !== undefined ) geometry.userData = data.userData;\n\n\t\t\t\tgeometries[ data.uuid ] = geometry;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn geometries;\n\n\t}\n\n\tparseMaterials( json, textures ) {\n\n\t\tconst cache = {}; // MultiMaterial\n\t\tconst materials = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tconst loader = new MaterialLoader();\n\t\t\tloader.setTextures( textures );\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tif ( cache[ data.uuid ] === undefined ) {\n\n\t\t\t\t\tcache[ data.uuid ] = loader.parse( data );\n\n\t\t\t\t}\n\n\t\t\t\tmaterials[ data.uuid ] = cache[ data.uuid ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn materials;\n\n\t}\n\n\tparseAnimations( json ) {\n\n\t\tconst animations = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0; i < json.length; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tconst clip = AnimationClip.parse( data );\n\n\t\t\t\tanimations[ clip.uuid ] = clip;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn animations;\n\n\t}\n\n\tparseImages( json, onLoad ) {\n\n\t\tconst scope = this;\n\t\tconst images = {};\n\n\t\tlet loader;\n\n\t\tfunction loadImage( url ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn loader.load( url, function () {\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, undefined, function () {\n\n\t\t\t\tscope.manager.itemError( url );\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t} );\n\n\t\t}\n\n\t\tfunction deserializeImage( image ) {\n\n\t\t\tif ( typeof image === 'string' ) {\n\n\t\t\t\tconst url = image;\n\n\t\t\t\tconst path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( url ) ? url : scope.resourcePath + url;\n\n\t\t\t\treturn loadImage( path );\n\n\t\t\t} else {\n\n\t\t\t\tif ( image.data ) {\n\n\t\t\t\t\treturn {\n\t\t\t\t\t\tdata: getTypedArray( image.type, image.data ),\n\t\t\t\t\t\twidth: image.width,\n\t\t\t\t\t\theight: image.height\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\tconst manager = new LoadingManager( onLoad );\n\n\t\t\tloader = new ImageLoader( manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tfor ( let i = 0, il = json.length; i < il; i ++ ) {\n\n\t\t\t\tconst image = json[ i ];\n\t\t\t\tconst url = image.url;\n\n\t\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\t\t// load array of images e.g CubeTexture\n\n\t\t\t\t\tconst imageArray = [];\n\n\t\t\t\t\tfor ( let j = 0, jl = url.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tconst currentUrl = url[ j ];\n\n\t\t\t\t\t\tconst deserializedImage = deserializeImage( currentUrl );\n\n\t\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\t\tif ( deserializedImage instanceof HTMLImageElement ) {\n\n\t\t\t\t\t\t\t\timageArray.push( deserializedImage );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// special case: handle array of data textures for cube textures\n\n\t\t\t\t\t\t\t\timageArray.push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\timages[ image.uuid ] = new Source( imageArray );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// load single image\n\n\t\t\t\t\tconst deserializedImage = deserializeImage( image.url );\n\t\t\t\t\timages[ image.uuid ] = new Source( deserializedImage );\n\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn images;\n\n\t}\n\n\tasync parseImagesAsync( json ) {\n\n\t\tconst scope = this;\n\t\tconst images = {};\n\n\t\tlet loader;\n\n\t\tasync function deserializeImage( image ) {\n\n\t\t\tif ( typeof image === 'string' ) {\n\n\t\t\t\tconst url = image;\n\n\t\t\t\tconst path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( url ) ? url : scope.resourcePath + url;\n\n\t\t\t\treturn await loader.loadAsync( path );\n\n\t\t\t} else {\n\n\t\t\t\tif ( image.data ) {\n\n\t\t\t\t\treturn {\n\t\t\t\t\t\tdata: getTypedArray( image.type, image.data ),\n\t\t\t\t\t\twidth: image.width,\n\t\t\t\t\t\theight: image.height\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\tloader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tfor ( let i = 0, il = json.length; i < il; i ++ ) {\n\n\t\t\t\tconst image = json[ i ];\n\t\t\t\tconst url = image.url;\n\n\t\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\t\t// load array of images e.g CubeTexture\n\n\t\t\t\t\tconst imageArray = [];\n\n\t\t\t\t\tfor ( let j = 0, jl = url.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tconst currentUrl = url[ j ];\n\n\t\t\t\t\t\tconst deserializedImage = await deserializeImage( currentUrl );\n\n\t\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\t\tif ( deserializedImage instanceof HTMLImageElement ) {\n\n\t\t\t\t\t\t\t\timageArray.push( deserializedImage );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// special case: handle array of data textures for cube textures\n\n\t\t\t\t\t\t\t\timageArray.push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\timages[ image.uuid ] = new Source( imageArray );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// load single image\n\n\t\t\t\t\tconst deserializedImage = await deserializeImage( image.url );\n\t\t\t\t\timages[ image.uuid ] = new Source( deserializedImage );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn images;\n\n\t}\n\n\tparseTextures( json, images ) {\n\n\t\tfunction parseConstant( value, type ) {\n\n\t\t\tif ( typeof value === 'number' ) return value;\n\n\t\t\tconsole.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value );\n\n\t\t\treturn type[ value ];\n\n\t\t}\n\n\t\tconst textures = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tif ( data.image === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: No \"image\" specified for', data.uuid );\n\n\t\t\t\t}\n\n\t\t\t\tif ( images[ data.image ] === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined image', data.image );\n\n\t\t\t\t}\n\n\t\t\t\tconst source = images[ data.image ];\n\t\t\t\tconst image = source.data;\n\n\t\t\t\tlet texture;\n\n\t\t\t\tif ( Array.isArray( image ) ) {\n\n\t\t\t\t\ttexture = new CubeTexture();\n\n\t\t\t\t\tif ( image.length === 6 ) texture.needsUpdate = true;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( image && image.data ) {\n\n\t\t\t\t\t\ttexture = new DataTexture();\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttexture = new Texture();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( image ) texture.needsUpdate = true; // textures can have undefined image data\n\n\t\t\t\t}\n\n\t\t\t\ttexture.source = source;\n\n\t\t\t\ttexture.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) texture.name = data.name;\n\n\t\t\t\tif ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TEXTURE_MAPPING );\n\t\t\t\tif ( data.channel !== undefined ) texture.channel = data.channel;\n\n\t\t\t\tif ( data.offset !== undefined ) texture.offset.fromArray( data.offset );\n\t\t\t\tif ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat );\n\t\t\t\tif ( data.center !== undefined ) texture.center.fromArray( data.center );\n\t\t\t\tif ( data.rotation !== undefined ) texture.rotation = data.rotation;\n\n\t\t\t\tif ( data.wrap !== undefined ) {\n\n\t\t\t\t\ttexture.wrapS = parseConstant( data.wrap[ 0 ], TEXTURE_WRAPPING );\n\t\t\t\t\ttexture.wrapT = parseConstant( data.wrap[ 1 ], TEXTURE_WRAPPING );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.format !== undefined ) texture.format = data.format;\n\t\t\t\tif ( data.internalFormat !== undefined ) texture.internalFormat = data.internalFormat;\n\t\t\t\tif ( data.type !== undefined ) texture.type = data.type;\n\t\t\t\tif ( data.colorSpace !== undefined ) texture.colorSpace = data.colorSpace;\n\n\t\t\t\tif ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TEXTURE_FILTER );\n\t\t\t\tif ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TEXTURE_FILTER );\n\t\t\t\tif ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy;\n\n\t\t\t\tif ( data.flipY !== undefined ) texture.flipY = data.flipY;\n\n\t\t\t\tif ( data.generateMipmaps !== undefined ) texture.generateMipmaps = data.generateMipmaps;\n\t\t\t\tif ( data.premultiplyAlpha !== undefined ) texture.premultiplyAlpha = data.premultiplyAlpha;\n\t\t\t\tif ( data.unpackAlignment !== undefined ) texture.unpackAlignment = data.unpackAlignment;\n\t\t\t\tif ( data.compareFunction !== undefined ) texture.compareFunction = data.compareFunction;\n\n\t\t\t\tif ( data.userData !== undefined ) texture.userData = data.userData;\n\n\t\t\t\ttextures[ data.uuid ] = texture;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn textures;\n\n\t}\n\n\tparseObject( data, geometries, materials, textures, animations ) {\n\n\t\tlet object;\n\n\t\tfunction getGeometry( name ) {\n\n\t\t\tif ( geometries[ name ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined geometry', name );\n\n\t\t\t}\n\n\t\t\treturn geometries[ name ];\n\n\t\t}\n\n\t\tfunction getMaterial( name ) {\n\n\t\t\tif ( name === undefined ) return undefined;\n\n\t\t\tif ( Array.isArray( name ) ) {\n\n\t\t\t\tconst array = [];\n\n\t\t\t\tfor ( let i = 0, l = name.length; i < l; i ++ ) {\n\n\t\t\t\t\tconst uuid = name[ i ];\n\n\t\t\t\t\tif ( materials[ uuid ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined material', uuid );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tarray.push( materials[ uuid ] );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t}\n\n\t\t\tif ( materials[ name ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined material', name );\n\n\t\t\t}\n\n\t\t\treturn materials[ name ];\n\n\t\t}\n\n\t\tfunction getTexture( uuid ) {\n\n\t\t\tif ( textures[ uuid ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined texture', uuid );\n\n\t\t\t}\n\n\t\t\treturn textures[ uuid ];\n\n\t\t}\n\n\t\tlet geometry, material;\n\n\t\tswitch ( data.type ) {\n\n\t\t\tcase 'Scene':\n\n\t\t\t\tobject = new Scene();\n\n\t\t\t\tif ( data.background !== undefined ) {\n\n\t\t\t\t\tif ( Number.isInteger( data.background ) ) {\n\n\t\t\t\t\t\tobject.background = new Color( data.background );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tobject.background = getTexture( data.background );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.environment !== undefined ) {\n\n\t\t\t\t\tobject.environment = getTexture( data.environment );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.fog !== undefined ) {\n\n\t\t\t\t\tif ( data.fog.type === 'Fog' ) {\n\n\t\t\t\t\t\tobject.fog = new Fog( data.fog.color, data.fog.near, data.fog.far );\n\n\t\t\t\t\t} else if ( data.fog.type === 'FogExp2' ) {\n\n\t\t\t\t\t\tobject.fog = new FogExp2( data.fog.color, data.fog.density );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( data.fog.name !== '' ) {\n\n\t\t\t\t\t\tobject.fog.name = data.fog.name;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.backgroundBlurriness !== undefined ) object.backgroundBlurriness = data.backgroundBlurriness;\n\t\t\t\tif ( data.backgroundIntensity !== undefined ) object.backgroundIntensity = data.backgroundIntensity;\n\t\t\t\tif ( data.backgroundRotation !== undefined ) object.backgroundRotation.fromArray( data.backgroundRotation );\n\n\t\t\t\tif ( data.environmentIntensity !== undefined ) object.environmentIntensity = data.environmentIntensity;\n\t\t\t\tif ( data.environmentRotation !== undefined ) object.environmentRotation.fromArray( data.environmentRotation );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PerspectiveCamera':\n\n\t\t\t\tobject = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far );\n\n\t\t\t\tif ( data.focus !== undefined ) object.focus = data.focus;\n\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\tif ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge;\n\t\t\t\tif ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset;\n\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'OrthographicCamera':\n\n\t\t\t\tobject = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far );\n\n\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'AmbientLight':\n\n\t\t\t\tobject = new AmbientLight( data.color, data.intensity );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'DirectionalLight':\n\n\t\t\t\tobject = new DirectionalLight( data.color, data.intensity );\n\t\t\t\tobject.target = data.target || '';\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PointLight':\n\n\t\t\t\tobject = new PointLight( data.color, data.intensity, data.distance, data.decay );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'RectAreaLight':\n\n\t\t\t\tobject = new RectAreaLight( data.color, data.intensity, data.width, data.height );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'SpotLight':\n\n\t\t\t\tobject = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay );\n\t\t\t\tobject.target = data.target || '';\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'HemisphereLight':\n\n\t\t\t\tobject = new HemisphereLight( data.color, data.groundColor, data.intensity );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LightProbe':\n\n\t\t\t\tobject = new LightProbe().fromJSON( data );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'SkinnedMesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t \tmaterial = getMaterial( data.material );\n\n\t\t\t\tobject = new SkinnedMesh( geometry, material );\n\n\t\t\t\tif ( data.bindMode !== undefined ) object.bindMode = data.bindMode;\n\t\t\t\tif ( data.bindMatrix !== undefined ) object.bindMatrix.fromArray( data.bindMatrix );\n\t\t\t\tif ( data.skeleton !== undefined ) object.skeleton = data.skeleton;\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Mesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t\tmaterial = getMaterial( data.material );\n\n\t\t\t\tobject = new Mesh( geometry, material );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'InstancedMesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t\tmaterial = getMaterial( data.material );\n\t\t\t\tconst count = data.count;\n\t\t\t\tconst instanceMatrix = data.instanceMatrix;\n\t\t\t\tconst instanceColor = data.instanceColor;\n\n\t\t\t\tobject = new InstancedMesh( geometry, material, count );\n\t\t\t\tobject.instanceMatrix = new InstancedBufferAttribute( new Float32Array( instanceMatrix.array ), 16 );\n\t\t\t\tif ( instanceColor !== undefined ) object.instanceColor = new InstancedBufferAttribute( new Float32Array( instanceColor.array ), instanceColor.itemSize );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'BatchedMesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t\tmaterial = getMaterial( data.material );\n\n\t\t\t\tobject = new BatchedMesh( data.maxInstanceCount, data.maxVertexCount, data.maxIndexCount, material );\n\t\t\t\tobject.geometry = geometry;\n\t\t\t\tobject.perObjectFrustumCulled = data.perObjectFrustumCulled;\n\t\t\t\tobject.sortObjects = data.sortObjects;\n\n\t\t\t\tobject._drawRanges = data.drawRanges;\n\t\t\t\tobject._reservedRanges = data.reservedRanges;\n\n\t\t\t\tobject._visibility = data.visibility;\n\t\t\t\tobject._active = data.active;\n\t\t\t\tobject._bounds = data.bounds.map( bound => {\n\n\t\t\t\t\tconst box = new Box3();\n\t\t\t\t\tbox.min.fromArray( bound.boxMin );\n\t\t\t\t\tbox.max.fromArray( bound.boxMax );\n\n\t\t\t\t\tconst sphere = new Sphere();\n\t\t\t\t\tsphere.radius = bound.sphereRadius;\n\t\t\t\t\tsphere.center.fromArray( bound.sphereCenter );\n\n\t\t\t\t\treturn {\n\t\t\t\t\t\tboxInitialized: bound.boxInitialized,\n\t\t\t\t\t\tbox: box,\n\n\t\t\t\t\t\tsphereInitialized: bound.sphereInitialized,\n\t\t\t\t\t\tsphere: sphere\n\t\t\t\t\t};\n\n\t\t\t\t} );\n\n\t\t\t\tobject._maxInstanceCount = data.maxInstanceCount;\n\t\t\t\tobject._maxVertexCount = data.maxVertexCount;\n\t\t\t\tobject._maxIndexCount = data.maxIndexCount;\n\n\t\t\t\tobject._geometryInitialized = data.geometryInitialized;\n\t\t\t\tobject._geometryCount = data.geometryCount;\n\n\t\t\t\tobject._matricesTexture = getTexture( data.matricesTexture.uuid );\n\t\t\t\tif ( data.colorsTexture !== undefined ) object._colorsTexture = getTexture( data.colorsTexture.uuid );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LOD':\n\n\t\t\t\tobject = new LOD();\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Line':\n\n\t\t\t\tobject = new Line( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LineLoop':\n\n\t\t\t\tobject = new LineLoop( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LineSegments':\n\n\t\t\t\tobject = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PointCloud':\n\t\t\tcase 'Points':\n\n\t\t\t\tobject = new Points( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Sprite':\n\n\t\t\t\tobject = new Sprite( getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Group':\n\n\t\t\t\tobject = new Group();\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Bone':\n\n\t\t\t\tobject = new Bone();\n\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\n\t\t\t\tobject = new Object3D();\n\n\t\t}\n\n\t\tobject.uuid = data.uuid;\n\n\t\tif ( data.name !== undefined ) object.name = data.name;\n\n\t\tif ( data.matrix !== undefined ) {\n\n\t\t\tobject.matrix.fromArray( data.matrix );\n\n\t\t\tif ( data.matrixAutoUpdate !== undefined ) object.matrixAutoUpdate = data.matrixAutoUpdate;\n\t\t\tif ( object.matrixAutoUpdate ) object.matrix.decompose( object.position, object.quaternion, object.scale );\n\n\t\t} else {\n\n\t\t\tif ( data.position !== undefined ) object.position.fromArray( data.position );\n\t\t\tif ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation );\n\t\t\tif ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion );\n\t\t\tif ( data.scale !== undefined ) object.scale.fromArray( data.scale );\n\n\t\t}\n\n\t\tif ( data.up !== undefined ) object.up.fromArray( data.up );\n\n\t\tif ( data.castShadow !== undefined ) object.castShadow = data.castShadow;\n\t\tif ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow;\n\n\t\tif ( data.shadow ) {\n\n\t\t\tif ( data.shadow.intensity !== undefined ) object.shadow.intensity = data.shadow.intensity;\n\t\t\tif ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias;\n\t\t\tif ( data.shadow.normalBias !== undefined ) object.shadow.normalBias = data.shadow.normalBias;\n\t\t\tif ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius;\n\t\t\tif ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize );\n\t\t\tif ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera );\n\n\t\t}\n\n\t\tif ( data.visible !== undefined ) object.visible = data.visible;\n\t\tif ( data.frustumCulled !== undefined ) object.frustumCulled = data.frustumCulled;\n\t\tif ( data.renderOrder !== undefined ) object.renderOrder = data.renderOrder;\n\t\tif ( data.userData !== undefined ) object.userData = data.userData;\n\t\tif ( data.layers !== undefined ) object.layers.mask = data.layers;\n\n\t\tif ( data.children !== undefined ) {\n\n\t\t\tconst children = data.children;\n\n\t\t\tfor ( let i = 0; i < children.length; i ++ ) {\n\n\t\t\t\tobject.add( this.parseObject( children[ i ], geometries, materials, textures, animations ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( data.animations !== undefined ) {\n\n\t\t\tconst objectAnimations = data.animations;\n\n\t\t\tfor ( let i = 0; i < objectAnimations.length; i ++ ) {\n\n\t\t\t\tconst uuid = objectAnimations[ i ];\n\n\t\t\t\tobject.animations.push( animations[ uuid ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( data.type === 'LOD' ) {\n\n\t\t\tif ( data.autoUpdate !== undefined ) object.autoUpdate = data.autoUpdate;\n\n\t\t\tconst levels = data.levels;\n\n\t\t\tfor ( let l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\tconst level = levels[ l ];\n\t\t\t\tconst child = object.getObjectByProperty( 'uuid', level.object );\n\n\t\t\t\tif ( child !== undefined ) {\n\n\t\t\t\t\tobject.addLevel( child, level.distance, level.hysteresis );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn object;\n\n\t}\n\n\tbindSkeletons( object, skeletons ) {\n\n\t\tif ( Object.keys( skeletons ).length === 0 ) return;\n\n\t\tobject.traverse( function ( child ) {\n\n\t\t\tif ( child.isSkinnedMesh === true && child.skeleton !== undefined ) {\n\n\t\t\t\tconst skeleton = skeletons[ child.skeleton ];\n\n\t\t\t\tif ( skeleton === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: No skeleton found with UUID:', child.skeleton );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tchild.bind( skeleton, child.bindMatrix );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} );\n\n\t}\n\n\tbindLightTargets( object ) {\n\n\t\tobject.traverse( function ( child ) {\n\n\t\t\tif ( child.isDirectionalLight || child.isSpotLight ) {\n\n\t\t\t\tconst uuid = child.target;\n\n\t\t\t\tconst target = object.getObjectByProperty( 'uuid', uuid );\n\n\t\t\t\tif ( target !== undefined ) {\n\n\t\t\t\t\tchild.target = target;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tchild.target = new Object3D();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} );\n\n\t}\n\n}\n\nconst TEXTURE_MAPPING = {\n\tUVMapping: UVMapping,\n\tCubeReflectionMapping: CubeReflectionMapping,\n\tCubeRefractionMapping: CubeRefractionMapping,\n\tEquirectangularReflectionMapping: EquirectangularReflectionMapping,\n\tEquirectangularRefractionMapping: EquirectangularRefractionMapping,\n\tCubeUVReflectionMapping: CubeUVReflectionMapping\n};\n\nconst TEXTURE_WRAPPING = {\n\tRepeatWrapping: RepeatWrapping,\n\tClampToEdgeWrapping: ClampToEdgeWrapping,\n\tMirroredRepeatWrapping: MirroredRepeatWrapping\n};\n\nconst TEXTURE_FILTER = {\n\tNearestFilter: NearestFilter,\n\tNearestMipmapNearestFilter: NearestMipmapNearestFilter,\n\tNearestMipmapLinearFilter: NearestMipmapLinearFilter,\n\tLinearFilter: LinearFilter,\n\tLinearMipmapNearestFilter: LinearMipmapNearestFilter,\n\tLinearMipmapLinearFilter: LinearMipmapLinearFilter\n};\n\nclass ImageBitmapLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t\tthis.isImageBitmapLoader = true;\n\n\t\tif ( typeof createImageBitmap === 'undefined' ) {\n\n\t\t\tconsole.warn( 'THREE.ImageBitmapLoader: createImageBitmap() not supported.' );\n\n\t\t}\n\n\t\tif ( typeof fetch === 'undefined' ) {\n\n\t\t\tconsole.warn( 'THREE.ImageBitmapLoader: fetch() not supported.' );\n\n\t\t}\n\n\t\tthis.options = { premultiplyAlpha: 'none' };\n\n\t}\n\n\tsetOptions( options ) {\n\n\t\tthis.options = options;\n\n\t\treturn this;\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( url === undefined ) url = '';\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst scope = this;\n\n\t\tconst cached = Cache.get( url );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\t// If cached is a promise, wait for it to resolve\n\t\t\tif ( cached.then ) {\n\n\t\t\t\tcached.then( imageBitmap => {\n\n\t\t\t\t\tif ( onLoad ) onLoad( imageBitmap );\n\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t} ).catch( e => {\n\n\t\t\t\t\tif ( onError ) onError( e );\n\n\t\t\t\t} );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\t// If cached is not a promise (i.e., it's already an imageBitmap)\n\t\t\tsetTimeout( function () {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\tconst fetchOptions = {};\n\t\tfetchOptions.credentials = ( this.crossOrigin === 'anonymous' ) ? 'same-origin' : 'include';\n\t\tfetchOptions.headers = this.requestHeader;\n\n\t\tconst promise = fetch( url, fetchOptions ).then( function ( res ) {\n\n\t\t\treturn res.blob();\n\n\t\t} ).then( function ( blob ) {\n\n\t\t\treturn createImageBitmap( blob, Object.assign( scope.options, { colorSpaceConversion: 'none' } ) );\n\n\t\t} ).then( function ( imageBitmap ) {\n\n\t\t\tCache.add( url, imageBitmap );\n\n\t\t\tif ( onLoad ) onLoad( imageBitmap );\n\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t\treturn imageBitmap;\n\n\t\t} ).catch( function ( e ) {\n\n\t\t\tif ( onError ) onError( e );\n\n\t\t\tCache.remove( url );\n\n\t\t\tscope.manager.itemError( url );\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t} );\n\n\t\tCache.add( url, promise );\n\t\tscope.manager.itemStart( url );\n\n\t}\n\n}\n\nlet _context;\n\nclass AudioContext {\n\n\tstatic getContext() {\n\n\t\tif ( _context === undefined ) {\n\n\t\t\t_context = new ( window.AudioContext || window.webkitAudioContext )();\n\n\t\t}\n\n\t\treturn _context;\n\n\t}\n\n\tstatic setContext( value ) {\n\n\t\t_context = value;\n\n\t}\n\n}\n\nclass AudioLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( buffer ) {\n\n\t\t\ttry {\n\n\t\t\t\t// Create a copy of the buffer. The `decodeAudioData` method\n\t\t\t\t// detaches the buffer when complete, preventing reuse.\n\t\t\t\tconst bufferCopy = buffer.slice( 0 );\n\n\t\t\t\tconst context = AudioContext.getContext();\n\t\t\t\tcontext.decodeAudioData( bufferCopy, function ( audioBuffer ) {\n\n\t\t\t\t\tonLoad( audioBuffer );\n\n\t\t\t\t} ).catch( handleError );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\thandleError( e );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t\tfunction handleError( e ) {\n\n\t\t\tif ( onError ) {\n\n\t\t\t\tonError( e );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( e );\n\n\t\t\t}\n\n\t\t\tscope.manager.itemError( url );\n\n\t\t}\n\n\t}\n\n}\n\nconst _eyeRight = /*@__PURE__*/ new Matrix4();\nconst _eyeLeft = /*@__PURE__*/ new Matrix4();\nconst _projectionMatrix = /*@__PURE__*/ new Matrix4();\n\nclass StereoCamera {\n\n\tconstructor() {\n\n\t\tthis.type = 'StereoCamera';\n\n\t\tthis.aspect = 1;\n\n\t\tthis.eyeSep = 0.064;\n\n\t\tthis.cameraL = new PerspectiveCamera();\n\t\tthis.cameraL.layers.enable( 1 );\n\t\tthis.cameraL.matrixAutoUpdate = false;\n\n\t\tthis.cameraR = new PerspectiveCamera();\n\t\tthis.cameraR.layers.enable( 2 );\n\t\tthis.cameraR.matrixAutoUpdate = false;\n\n\t\tthis._cache = {\n\t\t\tfocus: null,\n\t\t\tfov: null,\n\t\t\taspect: null,\n\t\t\tnear: null,\n\t\t\tfar: null,\n\t\t\tzoom: null,\n\t\t\teyeSep: null\n\t\t};\n\n\t}\n\n\tupdate( camera ) {\n\n\t\tconst cache = this._cache;\n\n\t\tconst needsUpdate = cache.focus !== camera.focus || cache.fov !== camera.fov ||\n\t\t\tcache.aspect !== camera.aspect * this.aspect || cache.near !== camera.near ||\n\t\t\tcache.far !== camera.far || cache.zoom !== camera.zoom || cache.eyeSep !== this.eyeSep;\n\n\t\tif ( needsUpdate ) {\n\n\t\t\tcache.focus = camera.focus;\n\t\t\tcache.fov = camera.fov;\n\t\t\tcache.aspect = camera.aspect * this.aspect;\n\t\t\tcache.near = camera.near;\n\t\t\tcache.far = camera.far;\n\t\t\tcache.zoom = camera.zoom;\n\t\t\tcache.eyeSep = this.eyeSep;\n\n\t\t\t// Off-axis stereoscopic effect based on\n\t\t\t// http://paulbourke.net/stereographics/stereorender/\n\n\t\t\t_projectionMatrix.copy( camera.projectionMatrix );\n\t\t\tconst eyeSepHalf = cache.eyeSep / 2;\n\t\t\tconst eyeSepOnProjection = eyeSepHalf * cache.near / cache.focus;\n\t\t\tconst ymax = ( cache.near * Math.tan( DEG2RAD * cache.fov * 0.5 ) ) / cache.zoom;\n\t\t\tlet xmin, xmax;\n\n\t\t\t// translate xOffset\n\n\t\t\t_eyeLeft.elements[ 12 ] = - eyeSepHalf;\n\t\t\t_eyeRight.elements[ 12 ] = eyeSepHalf;\n\n\t\t\t// for left eye\n\n\t\t\txmin = - ymax * cache.aspect + eyeSepOnProjection;\n\t\t\txmax = ymax * cache.aspect + eyeSepOnProjection;\n\n\t\t\t_projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin );\n\t\t\t_projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\tthis.cameraL.projectionMatrix.copy( _projectionMatrix );\n\n\t\t\t// for right eye\n\n\t\t\txmin = - ymax * cache.aspect - eyeSepOnProjection;\n\t\t\txmax = ymax * cache.aspect - eyeSepOnProjection;\n\n\t\t\t_projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin );\n\t\t\t_projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\tthis.cameraR.projectionMatrix.copy( _projectionMatrix );\n\n\t\t}\n\n\t\tthis.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeLeft );\n\t\tthis.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeRight );\n\n\t}\n\n}\n\nclass ArrayCamera extends PerspectiveCamera {\n\n\tconstructor( array = [] ) {\n\n\t\tsuper();\n\n\t\tthis.isArrayCamera = true;\n\n\t\tthis.cameras = array;\n\t\tthis.index = 0;\n\n\t}\n\n}\n\nclass Clock {\n\n\tconstructor( autoStart = true ) {\n\n\t\tthis.autoStart = autoStart;\n\n\t\tthis.startTime = 0;\n\t\tthis.oldTime = 0;\n\t\tthis.elapsedTime = 0;\n\n\t\tthis.running = false;\n\n\t}\n\n\tstart() {\n\n\t\tthis.startTime = now();\n\n\t\tthis.oldTime = this.startTime;\n\t\tthis.elapsedTime = 0;\n\t\tthis.running = true;\n\n\t}\n\n\tstop() {\n\n\t\tthis.getElapsedTime();\n\t\tthis.running = false;\n\t\tthis.autoStart = false;\n\n\t}\n\n\tgetElapsedTime() {\n\n\t\tthis.getDelta();\n\t\treturn this.elapsedTime;\n\n\t}\n\n\tgetDelta() {\n\n\t\tlet diff = 0;\n\n\t\tif ( this.autoStart && ! this.running ) {\n\n\t\t\tthis.start();\n\t\t\treturn 0;\n\n\t\t}\n\n\t\tif ( this.running ) {\n\n\t\t\tconst newTime = now();\n\n\t\t\tdiff = ( newTime - this.oldTime ) / 1000;\n\t\t\tthis.oldTime = newTime;\n\n\t\t\tthis.elapsedTime += diff;\n\n\t\t}\n\n\t\treturn diff;\n\n\t}\n\n}\n\nfunction now() {\n\n\treturn performance.now();\n\n}\n\nconst _position$1 = /*@__PURE__*/ new Vector3();\nconst _quaternion$1 = /*@__PURE__*/ new Quaternion();\nconst _scale$1 = /*@__PURE__*/ new Vector3();\nconst _orientation$1 = /*@__PURE__*/ new Vector3();\n\nclass AudioListener extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'AudioListener';\n\n\t\tthis.context = AudioContext.getContext();\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( this.context.destination );\n\n\t\tthis.filter = null;\n\n\t\tthis.timeDelta = 0;\n\n\t\t// private\n\n\t\tthis._clock = new Clock();\n\n\t}\n\n\tgetInput() {\n\n\t\treturn this.gain;\n\n\t}\n\n\tremoveFilter() {\n\n\t\tif ( this.filter !== null ) {\n\n\t\t\tthis.gain.disconnect( this.filter );\n\t\t\tthis.filter.disconnect( this.context.destination );\n\t\t\tthis.gain.connect( this.context.destination );\n\t\t\tthis.filter = null;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetFilter() {\n\n\t\treturn this.filter;\n\n\t}\n\n\tsetFilter( value ) {\n\n\t\tif ( this.filter !== null ) {\n\n\t\t\tthis.gain.disconnect( this.filter );\n\t\t\tthis.filter.disconnect( this.context.destination );\n\n\t\t} else {\n\n\t\t\tthis.gain.disconnect( this.context.destination );\n\n\t\t}\n\n\t\tthis.filter = value;\n\t\tthis.gain.connect( this.filter );\n\t\tthis.filter.connect( this.context.destination );\n\n\t\treturn this;\n\n\t}\n\n\tgetMasterVolume() {\n\n\t\treturn this.gain.gain.value;\n\n\t}\n\n\tsetMasterVolume( value ) {\n\n\t\tthis.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 );\n\n\t\treturn this;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tconst listener = this.context.listener;\n\t\tconst up = this.up;\n\n\t\tthis.timeDelta = this._clock.getDelta();\n\n\t\tthis.matrixWorld.decompose( _position$1, _quaternion$1, _scale$1 );\n\n\t\t_orientation$1.set( 0, 0, - 1 ).applyQuaternion( _quaternion$1 );\n\n\t\tif ( listener.positionX ) {\n\n\t\t\t// code path for Chrome (see #14393)\n\n\t\t\tconst endTime = this.context.currentTime + this.timeDelta;\n\n\t\t\tlistener.positionX.linearRampToValueAtTime( _position$1.x, endTime );\n\t\t\tlistener.positionY.linearRampToValueAtTime( _position$1.y, endTime );\n\t\t\tlistener.positionZ.linearRampToValueAtTime( _position$1.z, endTime );\n\t\t\tlistener.forwardX.linearRampToValueAtTime( _orientation$1.x, endTime );\n\t\t\tlistener.forwardY.linearRampToValueAtTime( _orientation$1.y, endTime );\n\t\t\tlistener.forwardZ.linearRampToValueAtTime( _orientation$1.z, endTime );\n\t\t\tlistener.upX.linearRampToValueAtTime( up.x, endTime );\n\t\t\tlistener.upY.linearRampToValueAtTime( up.y, endTime );\n\t\t\tlistener.upZ.linearRampToValueAtTime( up.z, endTime );\n\n\t\t} else {\n\n\t\t\tlistener.setPosition( _position$1.x, _position$1.y, _position$1.z );\n\t\t\tlistener.setOrientation( _orientation$1.x, _orientation$1.y, _orientation$1.z, up.x, up.y, up.z );\n\n\t\t}\n\n\t}\n\n}\n\nclass Audio extends Object3D {\n\n\tconstructor( listener ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Audio';\n\n\t\tthis.listener = listener;\n\t\tthis.context = listener.context;\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( listener.getInput() );\n\n\t\tthis.autoplay = false;\n\n\t\tthis.buffer = null;\n\t\tthis.detune = 0;\n\t\tthis.loop = false;\n\t\tthis.loopStart = 0;\n\t\tthis.loopEnd = 0;\n\t\tthis.offset = 0;\n\t\tthis.duration = undefined;\n\t\tthis.playbackRate = 1;\n\t\tthis.isPlaying = false;\n\t\tthis.hasPlaybackControl = true;\n\t\tthis.source = null;\n\t\tthis.sourceType = 'empty';\n\n\t\tthis._startedAt = 0;\n\t\tthis._progress = 0;\n\t\tthis._connected = false;\n\n\t\tthis.filters = [];\n\n\t}\n\n\tgetOutput() {\n\n\t\treturn this.gain;\n\n\t}\n\n\tsetNodeSource( audioNode ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'audioNode';\n\t\tthis.source = audioNode;\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\tsetMediaElementSource( mediaElement ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'mediaNode';\n\t\tthis.source = this.context.createMediaElementSource( mediaElement );\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\tsetMediaStreamSource( mediaStream ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'mediaStreamNode';\n\t\tthis.source = this.context.createMediaStreamSource( mediaStream );\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\tsetBuffer( audioBuffer ) {\n\n\t\tthis.buffer = audioBuffer;\n\t\tthis.sourceType = 'buffer';\n\n\t\tif ( this.autoplay ) this.play();\n\n\t\treturn this;\n\n\t}\n\n\tplay( delay = 0 ) {\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: Audio is already playing.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis._startedAt = this.context.currentTime + delay;\n\n\t\tconst source = this.context.createBufferSource();\n\t\tsource.buffer = this.buffer;\n\t\tsource.loop = this.loop;\n\t\tsource.loopStart = this.loopStart;\n\t\tsource.loopEnd = this.loopEnd;\n\t\tsource.onended = this.onEnded.bind( this );\n\t\tsource.start( this._startedAt, this._progress + this.offset, this.duration );\n\n\t\tthis.isPlaying = true;\n\n\t\tthis.source = source;\n\n\t\tthis.setDetune( this.detune );\n\t\tthis.setPlaybackRate( this.playbackRate );\n\n\t\treturn this.connect();\n\n\t}\n\n\tpause() {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\t// update current progress\n\n\t\t\tthis._progress += Math.max( this.context.currentTime - this._startedAt, 0 ) * this.playbackRate;\n\n\t\t\tif ( this.loop === true ) {\n\n\t\t\t\t// ensure _progress does not exceed duration with looped audios\n\n\t\t\t\tthis._progress = this._progress % ( this.duration || this.buffer.duration );\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.source.onended = null;\n\n\t\t\tthis.isPlaying = false;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tstop( delay = 0 ) {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis._progress = 0;\n\n\t\tif ( this.source !== null ) {\n\n\t\t\tthis.source.stop( this.context.currentTime + delay );\n\t\t\tthis.source.onended = null;\n\n\t\t}\n\n\t\tthis.isPlaying = false;\n\n\t\treturn this;\n\n\t}\n\n\tconnect() {\n\n\t\tif ( this.filters.length > 0 ) {\n\n\t\t\tthis.source.connect( this.filters[ 0 ] );\n\n\t\t\tfor ( let i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\tthis.filters[ i - 1 ].connect( this.filters[ i ] );\n\n\t\t\t}\n\n\t\t\tthis.filters[ this.filters.length - 1 ].connect( this.getOutput() );\n\n\t\t} else {\n\n\t\t\tthis.source.connect( this.getOutput() );\n\n\t\t}\n\n\t\tthis._connected = true;\n\n\t\treturn this;\n\n\t}\n\n\tdisconnect() {\n\n\t\tif ( this._connected === false ) {\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( this.filters.length > 0 ) {\n\n\t\t\tthis.source.disconnect( this.filters[ 0 ] );\n\n\t\t\tfor ( let i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\tthis.filters[ i - 1 ].disconnect( this.filters[ i ] );\n\n\t\t\t}\n\n\t\t\tthis.filters[ this.filters.length - 1 ].disconnect( this.getOutput() );\n\n\t\t} else {\n\n\t\t\tthis.source.disconnect( this.getOutput() );\n\n\t\t}\n\n\t\tthis._connected = false;\n\n\t\treturn this;\n\n\t}\n\n\tgetFilters() {\n\n\t\treturn this.filters;\n\n\t}\n\n\tsetFilters( value ) {\n\n\t\tif ( ! value ) value = [];\n\n\t\tif ( this._connected === true ) {\n\n\t\t\tthis.disconnect();\n\t\t\tthis.filters = value.slice();\n\t\t\tthis.connect();\n\n\t\t} else {\n\n\t\t\tthis.filters = value.slice();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetDetune( value ) {\n\n\t\tthis.detune = value;\n\n\t\tif ( this.isPlaying === true && this.source.detune !== undefined ) {\n\n\t\t\tthis.source.detune.setTargetAtTime( this.detune, this.context.currentTime, 0.01 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetDetune() {\n\n\t\treturn this.detune;\n\n\t}\n\n\tgetFilter() {\n\n\t\treturn this.getFilters()[ 0 ];\n\n\t}\n\n\tsetFilter( filter ) {\n\n\t\treturn this.setFilters( filter ? [ filter ] : [] );\n\n\t}\n\n\tsetPlaybackRate( value ) {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis.playbackRate = value;\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tthis.source.playbackRate.setTargetAtTime( this.playbackRate, this.context.currentTime, 0.01 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetPlaybackRate() {\n\n\t\treturn this.playbackRate;\n\n\t}\n\n\tonEnded() {\n\n\t\tthis.isPlaying = false;\n\t\tthis._progress = 0;\n\n\t}\n\n\tgetLoop() {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn false;\n\n\t\t}\n\n\t\treturn this.loop;\n\n\t}\n\n\tsetLoop( value ) {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis.loop = value;\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tthis.source.loop = this.loop;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetLoopStart( value ) {\n\n\t\tthis.loopStart = value;\n\n\t\treturn this;\n\n\t}\n\n\tsetLoopEnd( value ) {\n\n\t\tthis.loopEnd = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetVolume() {\n\n\t\treturn this.gain.gain.value;\n\n\t}\n\n\tsetVolume( value ) {\n\n\t\tthis.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tif ( source.sourceType !== 'buffer' ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: Audio source type cannot be copied.' );\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tthis.autoplay = source.autoplay;\n\n\t\tthis.buffer = source.buffer;\n\t\tthis.detune = source.detune;\n\t\tthis.loop = source.loop;\n\t\tthis.loopStart = source.loopStart;\n\t\tthis.loopEnd = source.loopEnd;\n\t\tthis.offset = source.offset;\n\t\tthis.duration = source.duration;\n\t\tthis.playbackRate = source.playbackRate;\n\t\tthis.hasPlaybackControl = source.hasPlaybackControl;\n\t\tthis.sourceType = source.sourceType;\n\n\t\tthis.filters = source.filters.slice();\n\n\t\treturn this;\n\n\t}\n\n\tclone( recursive ) {\n\n\t\treturn new this.constructor( this.listener ).copy( this, recursive );\n\n\t}\n\n}\n\nconst _position = /*@__PURE__*/ new Vector3();\nconst _quaternion = /*@__PURE__*/ new Quaternion();\nconst _scale = /*@__PURE__*/ new Vector3();\nconst _orientation = /*@__PURE__*/ new Vector3();\n\nclass PositionalAudio extends Audio {\n\n\tconstructor( listener ) {\n\n\t\tsuper( listener );\n\n\t\tthis.panner = this.context.createPanner();\n\t\tthis.panner.panningModel = 'HRTF';\n\t\tthis.panner.connect( this.gain );\n\n\t}\n\n\tconnect() {\n\n\t\tsuper.connect();\n\n\t\tthis.panner.connect( this.gain );\n\n\t}\n\n\tdisconnect() {\n\n\t\tsuper.disconnect();\n\n\t\tthis.panner.disconnect( this.gain );\n\n\t}\n\n\tgetOutput() {\n\n\t\treturn this.panner;\n\n\t}\n\n\tgetRefDistance() {\n\n\t\treturn this.panner.refDistance;\n\n\t}\n\n\tsetRefDistance( value ) {\n\n\t\tthis.panner.refDistance = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetRolloffFactor() {\n\n\t\treturn this.panner.rolloffFactor;\n\n\t}\n\n\tsetRolloffFactor( value ) {\n\n\t\tthis.panner.rolloffFactor = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetDistanceModel() {\n\n\t\treturn this.panner.distanceModel;\n\n\t}\n\n\tsetDistanceModel( value ) {\n\n\t\tthis.panner.distanceModel = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetMaxDistance() {\n\n\t\treturn this.panner.maxDistance;\n\n\t}\n\n\tsetMaxDistance( value ) {\n\n\t\tthis.panner.maxDistance = value;\n\n\t\treturn this;\n\n\t}\n\n\tsetDirectionalCone( coneInnerAngle, coneOuterAngle, coneOuterGain ) {\n\n\t\tthis.panner.coneInnerAngle = coneInnerAngle;\n\t\tthis.panner.coneOuterAngle = coneOuterAngle;\n\t\tthis.panner.coneOuterGain = coneOuterGain;\n\n\t\treturn this;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tif ( this.hasPlaybackControl === true && this.isPlaying === false ) return;\n\n\t\tthis.matrixWorld.decompose( _position, _quaternion, _scale );\n\n\t\t_orientation.set( 0, 0, 1 ).applyQuaternion( _quaternion );\n\n\t\tconst panner = this.panner;\n\n\t\tif ( panner.positionX ) {\n\n\t\t\t// code path for Chrome and Firefox (see #14393)\n\n\t\t\tconst endTime = this.context.currentTime + this.listener.timeDelta;\n\n\t\t\tpanner.positionX.linearRampToValueAtTime( _position.x, endTime );\n\t\t\tpanner.positionY.linearRampToValueAtTime( _position.y, endTime );\n\t\t\tpanner.positionZ.linearRampToValueAtTime( _position.z, endTime );\n\t\t\tpanner.orientationX.linearRampToValueAtTime( _orientation.x, endTime );\n\t\t\tpanner.orientationY.linearRampToValueAtTime( _orientation.y, endTime );\n\t\t\tpanner.orientationZ.linearRampToValueAtTime( _orientation.z, endTime );\n\n\t\t} else {\n\n\t\t\tpanner.setPosition( _position.x, _position.y, _position.z );\n\t\t\tpanner.setOrientation( _orientation.x, _orientation.y, _orientation.z );\n\n\t\t}\n\n\t}\n\n}\n\nclass AudioAnalyser {\n\n\tconstructor( audio, fftSize = 2048 ) {\n\n\t\tthis.analyser = audio.context.createAnalyser();\n\t\tthis.analyser.fftSize = fftSize;\n\n\t\tthis.data = new Uint8Array( this.analyser.frequencyBinCount );\n\n\t\taudio.getOutput().connect( this.analyser );\n\n\t}\n\n\n\tgetFrequencyData() {\n\n\t\tthis.analyser.getByteFrequencyData( this.data );\n\n\t\treturn this.data;\n\n\t}\n\n\tgetAverageFrequency() {\n\n\t\tlet value = 0;\n\t\tconst data = this.getFrequencyData();\n\n\t\tfor ( let i = 0; i < data.length; i ++ ) {\n\n\t\t\tvalue += data[ i ];\n\n\t\t}\n\n\t\treturn value / data.length;\n\n\t}\n\n}\n\nclass PropertyMixer {\n\n\tconstructor( binding, typeName, valueSize ) {\n\n\t\tthis.binding = binding;\n\t\tthis.valueSize = valueSize;\n\n\t\tlet mixFunction,\n\t\t\tmixFunctionAdditive,\n\t\t\tsetIdentity;\n\n\t\t// buffer layout: [ incoming | accu0 | accu1 | orig | addAccu | (optional work) ]\n\t\t//\n\t\t// interpolators can use .buffer as their .result\n\t\t// the data then goes to 'incoming'\n\t\t//\n\t\t// 'accu0' and 'accu1' are used frame-interleaved for\n\t\t// the cumulative result and are compared to detect\n\t\t// changes\n\t\t//\n\t\t// 'orig' stores the original state of the property\n\t\t//\n\t\t// 'add' is used for additive cumulative results\n\t\t//\n\t\t// 'work' is optional and is only present for quaternion types. It is used\n\t\t// to store intermediate quaternion multiplication results\n\n\t\tswitch ( typeName ) {\n\n\t\t\tcase 'quaternion':\n\t\t\t\tmixFunction = this._slerp;\n\t\t\t\tmixFunctionAdditive = this._slerpAdditive;\n\t\t\t\tsetIdentity = this._setAdditiveIdentityQuaternion;\n\n\t\t\t\tthis.buffer = new Float64Array( valueSize * 6 );\n\t\t\t\tthis._workIndex = 5;\n\t\t\t\tbreak;\n\n\t\t\tcase 'string':\n\t\t\tcase 'bool':\n\t\t\t\tmixFunction = this._select;\n\n\t\t\t\t// Use the regular mix function and for additive on these types,\n\t\t\t\t// additive is not relevant for non-numeric types\n\t\t\t\tmixFunctionAdditive = this._select;\n\n\t\t\t\tsetIdentity = this._setAdditiveIdentityOther;\n\n\t\t\t\tthis.buffer = new Array( valueSize * 5 );\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tmixFunction = this._lerp;\n\t\t\t\tmixFunctionAdditive = this._lerpAdditive;\n\t\t\t\tsetIdentity = this._setAdditiveIdentityNumeric;\n\n\t\t\t\tthis.buffer = new Float64Array( valueSize * 5 );\n\n\t\t}\n\n\t\tthis._mixBufferRegion = mixFunction;\n\t\tthis._mixBufferRegionAdditive = mixFunctionAdditive;\n\t\tthis._setIdentity = setIdentity;\n\t\tthis._origIndex = 3;\n\t\tthis._addIndex = 4;\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t\tthis.useCount = 0;\n\t\tthis.referenceCount = 0;\n\n\t}\n\n\t// accumulate data in the 'incoming' region into 'accu'\n\taccumulate( accuIndex, weight ) {\n\n\t\t// note: happily accumulating nothing when weight = 0, the caller knows\n\t\t// the weight and shouldn't have made the call in the first place\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = accuIndex * stride + stride;\n\n\t\tlet currentWeight = this.cumulativeWeight;\n\n\t\tif ( currentWeight === 0 ) {\n\n\t\t\t// accuN := incoming * weight\n\n\t\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tbuffer[ offset + i ] = buffer[ i ];\n\n\t\t\t}\n\n\t\t\tcurrentWeight = weight;\n\n\t\t} else {\n\n\t\t\t// accuN := accuN + incoming * weight\n\n\t\t\tcurrentWeight += weight;\n\t\t\tconst mix = weight / currentWeight;\n\t\t\tthis._mixBufferRegion( buffer, offset, 0, mix, stride );\n\n\t\t}\n\n\t\tthis.cumulativeWeight = currentWeight;\n\n\t}\n\n\t// accumulate data in the 'incoming' region into 'add'\n\taccumulateAdditive( weight ) {\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = stride * this._addIndex;\n\n\t\tif ( this.cumulativeWeightAdditive === 0 ) {\n\n\t\t\t// add = identity\n\n\t\t\tthis._setIdentity();\n\n\t\t}\n\n\t\t// add := add + incoming * weight\n\n\t\tthis._mixBufferRegionAdditive( buffer, offset, 0, weight, stride );\n\t\tthis.cumulativeWeightAdditive += weight;\n\n\t}\n\n\t// apply the state of 'accu' to the binding when accus differ\n\tapply( accuIndex ) {\n\n\t\tconst stride = this.valueSize,\n\t\t\tbuffer = this.buffer,\n\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\tweight = this.cumulativeWeight,\n\t\t\tweightAdditive = this.cumulativeWeightAdditive,\n\n\t\t\tbinding = this.binding;\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t\tif ( weight < 1 ) {\n\n\t\t\t// accuN := accuN + original * ( 1 - cumulativeWeight )\n\n\t\t\tconst originalValueOffset = stride * this._origIndex;\n\n\t\t\tthis._mixBufferRegion(\n\t\t\t\tbuffer, offset, originalValueOffset, 1 - weight, stride );\n\n\t\t}\n\n\t\tif ( weightAdditive > 0 ) {\n\n\t\t\t// accuN := accuN + additive accuN\n\n\t\t\tthis._mixBufferRegionAdditive( buffer, offset, this._addIndex * stride, 1, stride );\n\n\t\t}\n\n\t\tfor ( let i = stride, e = stride + stride; i !== e; ++ i ) {\n\n\t\t\tif ( buffer[ i ] !== buffer[ i + stride ] ) {\n\n\t\t\t\t// value has changed -> update scene graph\n\n\t\t\t\tbinding.setValue( buffer, offset );\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// remember the state of the bound property and copy it to both accus\n\tsaveOriginalState() {\n\n\t\tconst binding = this.binding;\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\n\t\t\toriginalValueOffset = stride * this._origIndex;\n\n\t\tbinding.getValue( buffer, originalValueOffset );\n\n\t\t// accu[0..1] := orig -- initially detect changes against the original\n\t\tfor ( let i = stride, e = originalValueOffset; i !== e; ++ i ) {\n\n\t\t\tbuffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ];\n\n\t\t}\n\n\t\t// Add to identity for additive\n\t\tthis._setIdentity();\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t}\n\n\t// apply the state previously taken via 'saveOriginalState' to the binding\n\trestoreOriginalState() {\n\n\t\tconst originalValueOffset = this.valueSize * 3;\n\t\tthis.binding.setValue( this.buffer, originalValueOffset );\n\n\t}\n\n\t_setAdditiveIdentityNumeric() {\n\n\t\tconst startIndex = this._addIndex * this.valueSize;\n\t\tconst endIndex = startIndex + this.valueSize;\n\n\t\tfor ( let i = startIndex; i < endIndex; i ++ ) {\n\n\t\t\tthis.buffer[ i ] = 0;\n\n\t\t}\n\n\t}\n\n\t_setAdditiveIdentityQuaternion() {\n\n\t\tthis._setAdditiveIdentityNumeric();\n\t\tthis.buffer[ this._addIndex * this.valueSize + 3 ] = 1;\n\n\t}\n\n\t_setAdditiveIdentityOther() {\n\n\t\tconst startIndex = this._origIndex * this.valueSize;\n\t\tconst targetIndex = this._addIndex * this.valueSize;\n\n\t\tfor ( let i = 0; i < this.valueSize; i ++ ) {\n\n\t\t\tthis.buffer[ targetIndex + i ] = this.buffer[ startIndex + i ];\n\n\t\t}\n\n\t}\n\n\n\t// mix functions\n\n\t_select( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tif ( t >= 0.5 ) {\n\n\t\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tbuffer[ dstOffset + i ] = buffer[ srcOffset + i ];\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_slerp( buffer, dstOffset, srcOffset, t ) {\n\n\t\tQuaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, srcOffset, t );\n\n\t}\n\n\t_slerpAdditive( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tconst workOffset = this._workIndex * stride;\n\n\t\t// Store result in intermediate buffer offset\n\t\tQuaternion.multiplyQuaternionsFlat( buffer, workOffset, buffer, dstOffset, buffer, srcOffset );\n\n\t\t// Slerp to the intermediate result\n\t\tQuaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, workOffset, t );\n\n\t}\n\n\t_lerp( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tconst s = 1 - t;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tconst j = dstOffset + i;\n\n\t\t\tbuffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t;\n\n\t\t}\n\n\t}\n\n\t_lerpAdditive( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tconst j = dstOffset + i;\n\n\t\t\tbuffer[ j ] = buffer[ j ] + buffer[ srcOffset + i ] * t;\n\n\t\t}\n\n\t}\n\n}\n\n// Characters [].:/ are reserved for track binding syntax.\nconst _RESERVED_CHARS_RE = '\\\\[\\\\]\\\\.:\\\\/';\nconst _reservedRe = new RegExp( '[' + _RESERVED_CHARS_RE + ']', 'g' );\n\n// Attempts to allow node names from any language. ES5's `\\w` regexp matches\n// only latin characters, and the unicode \\p{L} is not yet supported. So\n// instead, we exclude reserved characters and match everything else.\nconst _wordChar = '[^' + _RESERVED_CHARS_RE + ']';\nconst _wordCharOrDot = '[^' + _RESERVED_CHARS_RE.replace( '\\\\.', '' ) + ']';\n\n// Parent directories, delimited by '/' or ':'. Currently unused, but must\n// be matched to parse the rest of the track name.\nconst _directoryRe = /*@__PURE__*/ /((?:WC+[\\/:])*)/.source.replace( 'WC', _wordChar );\n\n// Target node. May contain word characters (a-zA-Z0-9_) and '.' or '-'.\nconst _nodeRe = /*@__PURE__*/ /(WCOD+)?/.source.replace( 'WCOD', _wordCharOrDot );\n\n// Object on target node, and accessor. May not contain reserved\n// characters. Accessor may contain any character except closing bracket.\nconst _objectRe = /*@__PURE__*/ /(?:\\.(WC+)(?:\\[(.+)\\])?)?/.source.replace( 'WC', _wordChar );\n\n// Property and accessor. May not contain reserved characters. Accessor may\n// contain any non-bracket characters.\nconst _propertyRe = /*@__PURE__*/ /\\.(WC+)(?:\\[(.+)\\])?/.source.replace( 'WC', _wordChar );\n\nconst _trackRe = new RegExp( ''\n\t+ '^'\n\t+ _directoryRe\n\t+ _nodeRe\n\t+ _objectRe\n\t+ _propertyRe\n\t+ '$'\n);\n\nconst _supportedObjectNames = [ 'material', 'materials', 'bones', 'map' ];\n\nclass Composite {\n\n\tconstructor( targetGroup, path, optionalParsedPath ) {\n\n\t\tconst parsedPath = optionalParsedPath || PropertyBinding.parseTrackName( path );\n\n\t\tthis._targetGroup = targetGroup;\n\t\tthis._bindings = targetGroup.subscribe_( path, parsedPath );\n\n\t}\n\n\tgetValue( array, offset ) {\n\n\t\tthis.bind(); // bind all binding\n\n\t\tconst firstValidIndex = this._targetGroup.nCachedObjects_,\n\t\t\tbinding = this._bindings[ firstValidIndex ];\n\n\t\t// and only call .getValue on the first\n\t\tif ( binding !== undefined ) binding.getValue( array, offset );\n\n\t}\n\n\tsetValue( array, offset ) {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].setValue( array, offset );\n\n\t\t}\n\n\t}\n\n\tbind() {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].bind();\n\n\t\t}\n\n\t}\n\n\tunbind() {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].unbind();\n\n\t\t}\n\n\t}\n\n}\n\n// Note: This class uses a State pattern on a per-method basis:\n// 'bind' sets 'this.getValue' / 'setValue' and shadows the\n// prototype version of these methods with one that represents\n// the bound state. When the property is not found, the methods\n// become no-ops.\nclass PropertyBinding {\n\n\tconstructor( rootNode, path, parsedPath ) {\n\n\t\tthis.path = path;\n\t\tthis.parsedPath = parsedPath || PropertyBinding.parseTrackName( path );\n\n\t\tthis.node = PropertyBinding.findNode( rootNode, this.parsedPath.nodeName );\n\n\t\tthis.rootNode = rootNode;\n\n\t\t// initial state of these methods that calls 'bind'\n\t\tthis.getValue = this._getValue_unbound;\n\t\tthis.setValue = this._setValue_unbound;\n\n\t}\n\n\n\tstatic create( root, path, parsedPath ) {\n\n\t\tif ( ! ( root && root.isAnimationObjectGroup ) ) {\n\n\t\t\treturn new PropertyBinding( root, path, parsedPath );\n\n\t\t} else {\n\n\t\t\treturn new PropertyBinding.Composite( root, path, parsedPath );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Replaces spaces with underscores and removes unsupported characters from\n\t * node names, to ensure compatibility with parseTrackName().\n\t *\n\t * @param {string} name Node name to be sanitized.\n\t * @return {string}\n\t */\n\tstatic sanitizeNodeName( name ) {\n\n\t\treturn name.replace( /\\s/g, '_' ).replace( _reservedRe, '' );\n\n\t}\n\n\tstatic parseTrackName( trackName ) {\n\n\t\tconst matches = _trackRe.exec( trackName );\n\n\t\tif ( matches === null ) {\n\n\t\t\tthrow new Error( 'PropertyBinding: Cannot parse trackName: ' + trackName );\n\n\t\t}\n\n\t\tconst results = {\n\t\t\t// directoryName: matches[ 1 ], // (tschw) currently unused\n\t\t\tnodeName: matches[ 2 ],\n\t\t\tobjectName: matches[ 3 ],\n\t\t\tobjectIndex: matches[ 4 ],\n\t\t\tpropertyName: matches[ 5 ], // required\n\t\t\tpropertyIndex: matches[ 6 ]\n\t\t};\n\n\t\tconst lastDot = results.nodeName && results.nodeName.lastIndexOf( '.' );\n\n\t\tif ( lastDot !== undefined && lastDot !== - 1 ) {\n\n\t\t\tconst objectName = results.nodeName.substring( lastDot + 1 );\n\n\t\t\t// Object names must be checked against an allowlist. Otherwise, there\n\t\t\t// is no way to parse 'foo.bar.baz': 'baz' must be a property, but\n\t\t\t// 'bar' could be the objectName, or part of a nodeName (which can\n\t\t\t// include '.' characters).\n\t\t\tif ( _supportedObjectNames.indexOf( objectName ) !== - 1 ) {\n\n\t\t\t\tresults.nodeName = results.nodeName.substring( 0, lastDot );\n\t\t\t\tresults.objectName = objectName;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( results.propertyName === null || results.propertyName.length === 0 ) {\n\n\t\t\tthrow new Error( 'PropertyBinding: can not parse propertyName from trackName: ' + trackName );\n\n\t\t}\n\n\t\treturn results;\n\n\t}\n\n\tstatic findNode( root, nodeName ) {\n\n\t\tif ( nodeName === undefined || nodeName === '' || nodeName === '.' || nodeName === - 1 || nodeName === root.name || nodeName === root.uuid ) {\n\n\t\t\treturn root;\n\n\t\t}\n\n\t\t// search into skeleton bones.\n\t\tif ( root.skeleton ) {\n\n\t\t\tconst bone = root.skeleton.getBoneByName( nodeName );\n\n\t\t\tif ( bone !== undefined ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// search into node subtree.\n\t\tif ( root.children ) {\n\n\t\t\tconst searchNodeSubtree = function ( children ) {\n\n\t\t\t\tfor ( let i = 0; i < children.length; i ++ ) {\n\n\t\t\t\t\tconst childNode = children[ i ];\n\n\t\t\t\t\tif ( childNode.name === nodeName || childNode.uuid === nodeName ) {\n\n\t\t\t\t\t\treturn childNode;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst result = searchNodeSubtree( childNode.children );\n\n\t\t\t\t\tif ( result ) return result;\n\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tconst subTreeNode = searchNodeSubtree( root.children );\n\n\t\t\tif ( subTreeNode ) {\n\n\t\t\t\treturn subTreeNode;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\t// these are used to \"bind\" a nonexistent property\n\t_getValue_unavailable() {}\n\t_setValue_unavailable() {}\n\n\t// Getters\n\n\t_getValue_direct( buffer, offset ) {\n\n\t\tbuffer[ offset ] = this.targetObject[ this.propertyName ];\n\n\t}\n\n\t_getValue_array( buffer, offset ) {\n\n\t\tconst source = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = source.length; i !== n; ++ i ) {\n\n\t\t\tbuffer[ offset ++ ] = source[ i ];\n\n\t\t}\n\n\t}\n\n\t_getValue_arrayElement( buffer, offset ) {\n\n\t\tbuffer[ offset ] = this.resolvedProperty[ this.propertyIndex ];\n\n\t}\n\n\t_getValue_toArray( buffer, offset ) {\n\n\t\tthis.resolvedProperty.toArray( buffer, offset );\n\n\t}\n\n\t// Direct\n\n\t_setValue_direct( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\n\t}\n\n\t_setValue_direct_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// EntireArray\n\n\t_setValue_array( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t}\n\n\t_setValue_array_setNeedsUpdate( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// ArrayElement\n\n\t_setValue_arrayElement( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\n\t}\n\n\t_setValue_arrayElement_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// HasToFromArray\n\n\t_setValue_fromArray( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\n\t}\n\n\t_setValue_fromArray_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t_getValue_unbound( targetArray, offset ) {\n\n\t\tthis.bind();\n\t\tthis.getValue( targetArray, offset );\n\n\t}\n\n\t_setValue_unbound( sourceArray, offset ) {\n\n\t\tthis.bind();\n\t\tthis.setValue( sourceArray, offset );\n\n\t}\n\n\t// create getter / setter pair for a property in the scene graph\n\tbind() {\n\n\t\tlet targetObject = this.node;\n\t\tconst parsedPath = this.parsedPath;\n\n\t\tconst objectName = parsedPath.objectName;\n\t\tconst propertyName = parsedPath.propertyName;\n\t\tlet propertyIndex = parsedPath.propertyIndex;\n\n\t\tif ( ! targetObject ) {\n\n\t\t\ttargetObject = PropertyBinding.findNode( this.rootNode, parsedPath.nodeName );\n\n\t\t\tthis.node = targetObject;\n\n\t\t}\n\n\t\t// set fail state so we can just 'return' on error\n\t\tthis.getValue = this._getValue_unavailable;\n\t\tthis.setValue = this._setValue_unavailable;\n\n\t\t// ensure there is a value node\n\t\tif ( ! targetObject ) {\n\n\t\t\tconsole.warn( 'THREE.PropertyBinding: No target node found for track: ' + this.path + '.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( objectName ) {\n\n\t\t\tlet objectIndex = parsedPath.objectIndex;\n\n\t\t\t// special cases were we need to reach deeper into the hierarchy to get the face materials....\n\t\t\tswitch ( objectName ) {\n\n\t\t\t\tcase 'materials':\n\n\t\t\t\t\tif ( ! targetObject.material ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to material as node does not have a material.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! targetObject.material.materials ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject.material.materials;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'bones':\n\n\t\t\t\t\tif ( ! targetObject.skeleton ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// potential future optimization: skip this if propertyIndex is already an integer\n\t\t\t\t\t// and convert the integer string to a true integer.\n\n\t\t\t\t\ttargetObject = targetObject.skeleton.bones;\n\n\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\tfor ( let i = 0; i < targetObject.length; i ++ ) {\n\n\t\t\t\t\t\tif ( targetObject[ i ].name === objectIndex ) {\n\n\t\t\t\t\t\t\tobjectIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'map':\n\n\t\t\t\t\tif ( 'map' in targetObject ) {\n\n\t\t\t\t\t\ttargetObject = targetObject.map;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! targetObject.material ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to material as node does not have a material.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! targetObject.material.map ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to material.map as node.material does not have a map.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject.material.map;\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tif ( targetObject[ objectName ] === undefined ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to objectName of node undefined.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject[ objectName ];\n\n\t\t\t}\n\n\n\t\t\tif ( objectIndex !== undefined ) {\n\n\t\t\t\tif ( targetObject[ objectIndex ] === undefined ) {\n\n\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.', this, targetObject );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\ttargetObject = targetObject[ objectIndex ];\n\n\t\t\t}\n\n\t\t}\n\n\t\t// resolve property\n\t\tconst nodeProperty = targetObject[ propertyName ];\n\n\t\tif ( nodeProperty === undefined ) {\n\n\t\t\tconst nodeName = parsedPath.nodeName;\n\n\t\t\tconsole.error( 'THREE.PropertyBinding: Trying to update property for track: ' + nodeName +\n\t\t\t\t'.' + propertyName + ' but it wasn\\'t found.', targetObject );\n\t\t\treturn;\n\n\t\t}\n\n\t\t// determine versioning scheme\n\t\tlet versioning = this.Versioning.None;\n\n\t\tthis.targetObject = targetObject;\n\n\t\tif ( targetObject.isMaterial === true ) {\n\n\t\t\tversioning = this.Versioning.NeedsUpdate;\n\n\t\t} else if ( targetObject.isObject3D === true ) {\n\n\t\t\tversioning = this.Versioning.MatrixWorldNeedsUpdate;\n\n\t\t}\n\n\t\t// determine how the property gets bound\n\t\tlet bindingType = this.BindingType.Direct;\n\n\t\tif ( propertyIndex !== undefined ) {\n\n\t\t\t// access a sub element of the property array (only primitives are supported right now)\n\n\t\t\tif ( propertyName === 'morphTargetInfluences' ) {\n\n\t\t\t\t// potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer.\n\n\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\tif ( ! targetObject.geometry ) {\n\n\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.', this );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tif ( ! targetObject.geometry.morphAttributes ) {\n\n\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.', this );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tif ( targetObject.morphTargetDictionary[ propertyIndex ] !== undefined ) {\n\n\t\t\t\t\tpropertyIndex = targetObject.morphTargetDictionary[ propertyIndex ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tbindingType = this.BindingType.ArrayElement;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\t\t\tthis.propertyIndex = propertyIndex;\n\n\t\t} else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) {\n\n\t\t\t// must use copy for Object3D.Euler/Quaternion\n\n\t\t\tbindingType = this.BindingType.HasFromToArray;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t} else if ( Array.isArray( nodeProperty ) ) {\n\n\t\t\tbindingType = this.BindingType.EntireArray;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t} else {\n\n\t\t\tthis.propertyName = propertyName;\n\n\t\t}\n\n\t\t// select getter / setter\n\t\tthis.getValue = this.GetterByBindingType[ bindingType ];\n\t\tthis.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ];\n\n\t}\n\n\tunbind() {\n\n\t\tthis.node = null;\n\n\t\t// back to the prototype version of getValue / setValue\n\t\t// note: avoiding to mutate the shape of 'this' via 'delete'\n\t\tthis.getValue = this._getValue_unbound;\n\t\tthis.setValue = this._setValue_unbound;\n\n\t}\n\n}\n\nPropertyBinding.Composite = Composite;\n\nPropertyBinding.prototype.BindingType = {\n\tDirect: 0,\n\tEntireArray: 1,\n\tArrayElement: 2,\n\tHasFromToArray: 3\n};\n\nPropertyBinding.prototype.Versioning = {\n\tNone: 0,\n\tNeedsUpdate: 1,\n\tMatrixWorldNeedsUpdate: 2\n};\n\nPropertyBinding.prototype.GetterByBindingType = [\n\n\tPropertyBinding.prototype._getValue_direct,\n\tPropertyBinding.prototype._getValue_array,\n\tPropertyBinding.prototype._getValue_arrayElement,\n\tPropertyBinding.prototype._getValue_toArray,\n\n];\n\nPropertyBinding.prototype.SetterByBindingTypeAndVersioning = [\n\n\t[\n\t\t// Direct\n\t\tPropertyBinding.prototype._setValue_direct,\n\t\tPropertyBinding.prototype._setValue_direct_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_direct_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// EntireArray\n\n\t\tPropertyBinding.prototype._setValue_array,\n\t\tPropertyBinding.prototype._setValue_array_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_array_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// ArrayElement\n\t\tPropertyBinding.prototype._setValue_arrayElement,\n\t\tPropertyBinding.prototype._setValue_arrayElement_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// HasToFromArray\n\t\tPropertyBinding.prototype._setValue_fromArray,\n\t\tPropertyBinding.prototype._setValue_fromArray_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate,\n\n\t]\n\n];\n\n/**\n *\n * A group of objects that receives a shared animation state.\n *\n * Usage:\n *\n * - Add objects you would otherwise pass as 'root' to the\n * constructor or the .clipAction method of AnimationMixer.\n *\n * - Instead pass this object as 'root'.\n *\n * - You can also add and remove objects later when the mixer\n * is running.\n *\n * Note:\n *\n * Objects of this class appear as one object to the mixer,\n * so cache control of the individual objects must be done\n * on the group.\n *\n * Limitation:\n *\n * - The animated properties must be compatible among the\n * all objects in the group.\n *\n * - A single property can either be controlled through a\n * target group or directly, but not both.\n */\n\nclass AnimationObjectGroup {\n\n\tconstructor() {\n\n\t\tthis.isAnimationObjectGroup = true;\n\n\t\tthis.uuid = generateUUID();\n\n\t\t// cached objects followed by the active ones\n\t\tthis._objects = Array.prototype.slice.call( arguments );\n\n\t\tthis.nCachedObjects_ = 0; // threshold\n\t\t// note: read by PropertyBinding.Composite\n\n\t\tconst indices = {};\n\t\tthis._indicesByUUID = indices; // for bookkeeping\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tindices[ arguments[ i ].uuid ] = i;\n\n\t\t}\n\n\t\tthis._paths = []; // inside: string\n\t\tthis._parsedPaths = []; // inside: { we don't care, here }\n\t\tthis._bindings = []; // inside: Array< PropertyBinding >\n\t\tthis._bindingsIndicesByPath = {}; // inside: indices in these arrays\n\n\t\tconst scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tobjects: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._objects.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn this.total - scope.nCachedObjects_;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tget bindingsPerObject() {\n\n\t\t\t\treturn scope._bindings.length;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tadd() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tpaths = this._paths,\n\t\t\tparsedPaths = this._parsedPaths,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet knownObject = undefined,\n\t\t\tnObjects = objects.length,\n\t\t\tnCachedObjects = this.nCachedObjects_;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid;\n\t\t\tlet index = indicesByUUID[ uuid ];\n\n\t\t\tif ( index === undefined ) {\n\n\t\t\t\t// unknown object -> add it to the ACTIVE region\n\n\t\t\t\tindex = nObjects ++;\n\t\t\t\tindicesByUUID[ uuid ] = index;\n\t\t\t\tobjects.push( object );\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tbindings[ j ].push( new PropertyBinding( object, paths[ j ], parsedPaths[ j ] ) );\n\n\t\t\t\t}\n\n\t\t\t} else if ( index < nCachedObjects ) {\n\n\t\t\t\tknownObject = objects[ index ];\n\n\t\t\t\t// move existing object to the ACTIVE region\n\n\t\t\t\tconst firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ];\n\n\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\tindicesByUUID[ uuid ] = firstActiveIndex;\n\t\t\t\tobjects[ firstActiveIndex ] = object;\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ];\n\n\t\t\t\t\tlet binding = bindingsForPath[ index ];\n\n\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\n\t\t\t\t\tif ( binding === undefined ) {\n\n\t\t\t\t\t\t// since we do not bother to create new bindings\n\t\t\t\t\t\t// for objects that are cached, the binding may\n\t\t\t\t\t\t// or may not exist\n\n\t\t\t\t\t\tbinding = new PropertyBinding( object, paths[ j ], parsedPaths[ j ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = binding;\n\n\t\t\t\t}\n\n\t\t\t} else if ( objects[ index ] !== knownObject ) {\n\n\t\t\t\tconsole.error( 'THREE.AnimationObjectGroup: Different objects with the same UUID ' +\n\t\t\t\t\t'detected. Clean the caches or recreate your infrastructure when reloading scenes.' );\n\n\t\t\t} // else the object is already where we want it to be\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\tremove() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet nCachedObjects = this.nCachedObjects_;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid,\n\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\tif ( index !== undefined && index >= nCachedObjects ) {\n\n\t\t\t\t// move existing object into the CACHED region\n\n\t\t\t\tconst lastCachedIndex = nCachedObjects ++,\n\t\t\t\t\tfirstActiveObject = objects[ lastCachedIndex ];\n\n\t\t\t\tindicesByUUID[ firstActiveObject.uuid ] = index;\n\t\t\t\tobjects[ index ] = firstActiveObject;\n\n\t\t\t\tindicesByUUID[ uuid ] = lastCachedIndex;\n\t\t\t\tobjects[ lastCachedIndex ] = object;\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\tfirstActive = bindingsForPath[ lastCachedIndex ],\n\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\tbindingsForPath[ index ] = firstActive;\n\t\t\t\t\tbindingsForPath[ lastCachedIndex ] = binding;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\t// remove & forget\n\tuncache() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet nCachedObjects = this.nCachedObjects_,\n\t\t\tnObjects = objects.length;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid,\n\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tdelete indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index < nCachedObjects ) {\n\n\t\t\t\t\t// object is cached, shrink the CACHED region\n\n\t\t\t\t\tconst firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ],\n\t\t\t\t\t\tlastIndex = -- nObjects,\n\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t// last cached object takes this object's place\n\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\t// last object goes to the activated slot and pop\n\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = firstActiveIndex;\n\t\t\t\t\tobjects[ firstActiveIndex ] = lastObject;\n\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\tlast = bindingsForPath[ lastIndex ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = last;\n\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// object is active, just swap with the last and pop\n\n\t\t\t\t\tconst lastIndex = -- nObjects,\n\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\tif ( lastIndex > 0 ) {\n\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = index;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tobjects[ index ] = lastObject;\n\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tconst bindingsForPath = bindings[ j ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = bindingsForPath[ lastIndex ];\n\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t}\n\n\t\t\t\t} // cached or active\n\n\t\t\t} // if object is known\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\t// Internal interface used by befriended PropertyBinding.Composite:\n\n\tsubscribe_( path, parsedPath ) {\n\n\t\t// returns an array of bindings for the given path that is changed\n\t\t// according to the contained objects in the group\n\n\t\tconst indicesByPath = this._bindingsIndicesByPath;\n\t\tlet index = indicesByPath[ path ];\n\t\tconst bindings = this._bindings;\n\n\t\tif ( index !== undefined ) return bindings[ index ];\n\n\t\tconst paths = this._paths,\n\t\t\tparsedPaths = this._parsedPaths,\n\t\t\tobjects = this._objects,\n\t\t\tnObjects = objects.length,\n\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\tbindingsForPath = new Array( nObjects );\n\n\t\tindex = bindings.length;\n\n\t\tindicesByPath[ path ] = index;\n\n\t\tpaths.push( path );\n\t\tparsedPaths.push( parsedPath );\n\t\tbindings.push( bindingsForPath );\n\n\t\tfor ( let i = nCachedObjects, n = objects.length; i !== n; ++ i ) {\n\n\t\t\tconst object = objects[ i ];\n\t\t\tbindingsForPath[ i ] = new PropertyBinding( object, path, parsedPath );\n\n\t\t}\n\n\t\treturn bindingsForPath;\n\n\t}\n\n\tunsubscribe_( path ) {\n\n\t\t// tells the group to forget about a property path and no longer\n\t\t// update the array previously obtained with 'subscribe_'\n\n\t\tconst indicesByPath = this._bindingsIndicesByPath,\n\t\t\tindex = indicesByPath[ path ];\n\n\t\tif ( index !== undefined ) {\n\n\t\t\tconst paths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tlastBindingsIndex = bindings.length - 1,\n\t\t\t\tlastBindings = bindings[ lastBindingsIndex ],\n\t\t\t\tlastBindingsPath = path[ lastBindingsIndex ];\n\n\t\t\tindicesByPath[ lastBindingsPath ] = index;\n\n\t\t\tbindings[ index ] = lastBindings;\n\t\t\tbindings.pop();\n\n\t\t\tparsedPaths[ index ] = parsedPaths[ lastBindingsIndex ];\n\t\t\tparsedPaths.pop();\n\n\t\t\tpaths[ index ] = paths[ lastBindingsIndex ];\n\t\t\tpaths.pop();\n\n\t\t}\n\n\t}\n\n}\n\nclass AnimationAction {\n\n\tconstructor( mixer, clip, localRoot = null, blendMode = clip.blendMode ) {\n\n\t\tthis._mixer = mixer;\n\t\tthis._clip = clip;\n\t\tthis._localRoot = localRoot;\n\t\tthis.blendMode = blendMode;\n\n\t\tconst tracks = clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tinterpolants = new Array( nTracks );\n\n\t\tconst interpolantSettings = {\n\t\t\tendingStart: ZeroCurvatureEnding,\n\t\t\tendingEnd: ZeroCurvatureEnding\n\t\t};\n\n\t\tfor ( let i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tconst interpolant = tracks[ i ].createInterpolant( null );\n\t\t\tinterpolants[ i ] = interpolant;\n\t\t\tinterpolant.settings = interpolantSettings;\n\n\t\t}\n\n\t\tthis._interpolantSettings = interpolantSettings;\n\n\t\tthis._interpolants = interpolants; // bound by the mixer\n\n\t\t// inside: PropertyMixer (managed by the mixer)\n\t\tthis._propertyBindings = new Array( nTracks );\n\n\t\tthis._cacheIndex = null; // for the memory manager\n\t\tthis._byClipCacheIndex = null; // for the memory manager\n\n\t\tthis._timeScaleInterpolant = null;\n\t\tthis._weightInterpolant = null;\n\n\t\tthis.loop = LoopRepeat;\n\t\tthis._loopCount = - 1;\n\n\t\t// global mixer time when the action is to be started\n\t\t// it's set back to 'null' upon start of the action\n\t\tthis._startTime = null;\n\n\t\t// scaled local time of the action\n\t\t// gets clamped or wrapped to 0..clip.duration according to loop\n\t\tthis.time = 0;\n\n\t\tthis.timeScale = 1;\n\t\tthis._effectiveTimeScale = 1;\n\n\t\tthis.weight = 1;\n\t\tthis._effectiveWeight = 1;\n\n\t\tthis.repetitions = Infinity; // no. of repetitions when looping\n\n\t\tthis.paused = false; // true -> zero effective time scale\n\t\tthis.enabled = true; // false -> zero effective weight\n\n\t\tthis.clampWhenFinished = false;// keep feeding the last frame?\n\n\t\tthis.zeroSlopeAtStart = true;// for smooth interpolation w/o separate\n\t\tthis.zeroSlopeAtEnd = true;// clips for start, loop and end\n\n\t}\n\n\t// State & Scheduling\n\n\tplay() {\n\n\t\tthis._mixer._activateAction( this );\n\n\t\treturn this;\n\n\t}\n\n\tstop() {\n\n\t\tthis._mixer._deactivateAction( this );\n\n\t\treturn this.reset();\n\n\t}\n\n\treset() {\n\n\t\tthis.paused = false;\n\t\tthis.enabled = true;\n\n\t\tthis.time = 0; // restart clip\n\t\tthis._loopCount = - 1;// forget previous loops\n\t\tthis._startTime = null;// forget scheduling\n\n\t\treturn this.stopFading().stopWarping();\n\n\t}\n\n\tisRunning() {\n\n\t\treturn this.enabled && ! this.paused && this.timeScale !== 0 &&\n\t\t\tthis._startTime === null && this._mixer._isActiveAction( this );\n\n\t}\n\n\t// return true when play has been called\n\tisScheduled() {\n\n\t\treturn this._mixer._isActiveAction( this );\n\n\t}\n\n\tstartAt( time ) {\n\n\t\tthis._startTime = time;\n\n\t\treturn this;\n\n\t}\n\n\tsetLoop( mode, repetitions ) {\n\n\t\tthis.loop = mode;\n\t\tthis.repetitions = repetitions;\n\n\t\treturn this;\n\n\t}\n\n\t// Weight\n\n\t// set the weight stopping any scheduled fading\n\t// although .enabled = false yields an effective weight of zero, this\n\t// method does *not* change .enabled, because it would be confusing\n\tsetEffectiveWeight( weight ) {\n\n\t\tthis.weight = weight;\n\n\t\t// note: same logic as when updated at runtime\n\t\tthis._effectiveWeight = this.enabled ? weight : 0;\n\n\t\treturn this.stopFading();\n\n\t}\n\n\t// return the weight considering fading and .enabled\n\tgetEffectiveWeight() {\n\n\t\treturn this._effectiveWeight;\n\n\t}\n\n\tfadeIn( duration ) {\n\n\t\treturn this._scheduleFading( duration, 0, 1 );\n\n\t}\n\n\tfadeOut( duration ) {\n\n\t\treturn this._scheduleFading( duration, 1, 0 );\n\n\t}\n\n\tcrossFadeFrom( fadeOutAction, duration, warp ) {\n\n\t\tfadeOutAction.fadeOut( duration );\n\t\tthis.fadeIn( duration );\n\n\t\tif ( warp ) {\n\n\t\t\tconst fadeInDuration = this._clip.duration,\n\t\t\t\tfadeOutDuration = fadeOutAction._clip.duration,\n\n\t\t\t\tstartEndRatio = fadeOutDuration / fadeInDuration,\n\t\t\t\tendStartRatio = fadeInDuration / fadeOutDuration;\n\n\t\t\tfadeOutAction.warp( 1.0, startEndRatio, duration );\n\t\t\tthis.warp( endStartRatio, 1.0, duration );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcrossFadeTo( fadeInAction, duration, warp ) {\n\n\t\treturn fadeInAction.crossFadeFrom( this, duration, warp );\n\n\t}\n\n\tstopFading() {\n\n\t\tconst weightInterpolant = this._weightInterpolant;\n\n\t\tif ( weightInterpolant !== null ) {\n\n\t\t\tthis._weightInterpolant = null;\n\t\t\tthis._mixer._takeBackControlInterpolant( weightInterpolant );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// Time Scale Control\n\n\t// set the time scale stopping any scheduled warping\n\t// although .paused = true yields an effective time scale of zero, this\n\t// method does *not* change .paused, because it would be confusing\n\tsetEffectiveTimeScale( timeScale ) {\n\n\t\tthis.timeScale = timeScale;\n\t\tthis._effectiveTimeScale = this.paused ? 0 : timeScale;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\t// return the time scale considering warping and .paused\n\tgetEffectiveTimeScale() {\n\n\t\treturn this._effectiveTimeScale;\n\n\t}\n\n\tsetDuration( duration ) {\n\n\t\tthis.timeScale = this._clip.duration / duration;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\tsyncWith( action ) {\n\n\t\tthis.time = action.time;\n\t\tthis.timeScale = action.timeScale;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\thalt( duration ) {\n\n\t\treturn this.warp( this._effectiveTimeScale, 0, duration );\n\n\t}\n\n\twarp( startTimeScale, endTimeScale, duration ) {\n\n\t\tconst mixer = this._mixer,\n\t\t\tnow = mixer.time,\n\t\t\ttimeScale = this.timeScale;\n\n\t\tlet interpolant = this._timeScaleInterpolant;\n\n\t\tif ( interpolant === null ) {\n\n\t\t\tinterpolant = mixer._lendControlInterpolant();\n\t\t\tthis._timeScaleInterpolant = interpolant;\n\n\t\t}\n\n\t\tconst times = interpolant.parameterPositions,\n\t\t\tvalues = interpolant.sampleValues;\n\n\t\ttimes[ 0 ] = now;\n\t\ttimes[ 1 ] = now + duration;\n\n\t\tvalues[ 0 ] = startTimeScale / timeScale;\n\t\tvalues[ 1 ] = endTimeScale / timeScale;\n\n\t\treturn this;\n\n\t}\n\n\tstopWarping() {\n\n\t\tconst timeScaleInterpolant = this._timeScaleInterpolant;\n\n\t\tif ( timeScaleInterpolant !== null ) {\n\n\t\t\tthis._timeScaleInterpolant = null;\n\t\t\tthis._mixer._takeBackControlInterpolant( timeScaleInterpolant );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// Object Accessors\n\n\tgetMixer() {\n\n\t\treturn this._mixer;\n\n\t}\n\n\tgetClip() {\n\n\t\treturn this._clip;\n\n\t}\n\n\tgetRoot() {\n\n\t\treturn this._localRoot || this._mixer._root;\n\n\t}\n\n\t// Interna\n\n\t_update( time, deltaTime, timeDirection, accuIndex ) {\n\n\t\t// called by the mixer\n\n\t\tif ( ! this.enabled ) {\n\n\t\t\t// call ._updateWeight() to update ._effectiveWeight\n\n\t\t\tthis._updateWeight( time );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst startTime = this._startTime;\n\n\t\tif ( startTime !== null ) {\n\n\t\t\t// check for scheduled start of action\n\n\t\t\tconst timeRunning = ( time - startTime ) * timeDirection;\n\t\t\tif ( timeRunning < 0 || timeDirection === 0 ) {\n\n\t\t\t\tdeltaTime = 0;\n\n\t\t\t} else {\n\n\n\t\t\t\tthis._startTime = null; // unschedule\n\t\t\t\tdeltaTime = timeDirection * timeRunning;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// apply time scale and advance time\n\n\t\tdeltaTime *= this._updateTimeScale( time );\n\t\tconst clipTime = this._updateTime( deltaTime );\n\n\t\t// note: _updateTime may disable the action resulting in\n\t\t// an effective weight of 0\n\n\t\tconst weight = this._updateWeight( time );\n\n\t\tif ( weight > 0 ) {\n\n\t\t\tconst interpolants = this._interpolants;\n\t\t\tconst propertyMixers = this._propertyBindings;\n\n\t\t\tswitch ( this.blendMode ) {\n\n\t\t\t\tcase AdditiveAnimationBlendMode:\n\n\t\t\t\t\tfor ( let j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\t\tpropertyMixers[ j ].accumulateAdditive( weight );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase NormalAnimationBlendMode:\n\t\t\t\tdefault:\n\n\t\t\t\t\tfor ( let j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\t\tpropertyMixers[ j ].accumulate( accuIndex, weight );\n\n\t\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_updateWeight( time ) {\n\n\t\tlet weight = 0;\n\n\t\tif ( this.enabled ) {\n\n\t\t\tweight = this.weight;\n\t\t\tconst interpolant = this._weightInterpolant;\n\n\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\tconst interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\tweight *= interpolantValue;\n\n\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\tthis.stopFading();\n\n\t\t\t\t\tif ( interpolantValue === 0 ) {\n\n\t\t\t\t\t\t// faded out, disable\n\t\t\t\t\t\tthis.enabled = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis._effectiveWeight = weight;\n\t\treturn weight;\n\n\t}\n\n\t_updateTimeScale( time ) {\n\n\t\tlet timeScale = 0;\n\n\t\tif ( ! this.paused ) {\n\n\t\t\ttimeScale = this.timeScale;\n\n\t\t\tconst interpolant = this._timeScaleInterpolant;\n\n\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\tconst interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\ttimeScale *= interpolantValue;\n\n\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\tthis.stopWarping();\n\n\t\t\t\t\tif ( timeScale === 0 ) {\n\n\t\t\t\t\t\t// motion has halted, pause\n\t\t\t\t\t\tthis.paused = true;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// warp done - apply final time scale\n\t\t\t\t\t\tthis.timeScale = timeScale;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis._effectiveTimeScale = timeScale;\n\t\treturn timeScale;\n\n\t}\n\n\t_updateTime( deltaTime ) {\n\n\t\tconst duration = this._clip.duration;\n\t\tconst loop = this.loop;\n\n\t\tlet time = this.time + deltaTime;\n\t\tlet loopCount = this._loopCount;\n\n\t\tconst pingPong = ( loop === LoopPingPong );\n\n\t\tif ( deltaTime === 0 ) {\n\n\t\t\tif ( loopCount === - 1 ) return time;\n\n\t\t\treturn ( pingPong && ( loopCount & 1 ) === 1 ) ? duration - time : time;\n\n\t\t}\n\n\t\tif ( loop === LoopOnce ) {\n\n\t\t\tif ( loopCount === - 1 ) {\n\n\t\t\t\t// just started\n\n\t\t\t\tthis._loopCount = 0;\n\t\t\t\tthis._setEndings( true, true, false );\n\n\t\t\t}\n\n\t\t\thandle_stop: {\n\n\t\t\t\tif ( time >= duration ) {\n\n\t\t\t\t\ttime = duration;\n\n\t\t\t\t} else if ( time < 0 ) {\n\n\t\t\t\t\ttime = 0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tbreak handle_stop;\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\telse this.enabled = false;\n\n\t\t\t\tthis.time = time;\n\n\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\tdirection: deltaTime < 0 ? - 1 : 1\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t} else { // repetitive Repeat or PingPong\n\n\t\t\tif ( loopCount === - 1 ) {\n\n\t\t\t\t// just started\n\n\t\t\t\tif ( deltaTime >= 0 ) {\n\n\t\t\t\t\tloopCount = 0;\n\n\t\t\t\t\tthis._setEndings( true, this.repetitions === 0, pingPong );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// when looping in reverse direction, the initial\n\t\t\t\t\t// transition through zero counts as a repetition,\n\t\t\t\t\t// so leave loopCount at -1\n\n\t\t\t\t\tthis._setEndings( this.repetitions === 0, true, pingPong );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( time >= duration || time < 0 ) {\n\n\t\t\t\t// wrap around\n\n\t\t\t\tconst loopDelta = Math.floor( time / duration ); // signed\n\t\t\t\ttime -= duration * loopDelta;\n\n\t\t\t\tloopCount += Math.abs( loopDelta );\n\n\t\t\t\tconst pending = this.repetitions - loopCount;\n\n\t\t\t\tif ( pending <= 0 ) {\n\n\t\t\t\t\t// have to stop (switch state, clamp time, fire event)\n\n\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\ttime = deltaTime > 0 ? duration : 0;\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\tdirection: deltaTime > 0 ? 1 : - 1\n\t\t\t\t\t} );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// keep running\n\n\t\t\t\t\tif ( pending === 1 ) {\n\n\t\t\t\t\t\t// entering the last round\n\n\t\t\t\t\t\tconst atStart = deltaTime < 0;\n\t\t\t\t\t\tthis._setEndings( atStart, ! atStart, pingPong );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthis._setEndings( false, false, pingPong );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis._loopCount = loopCount;\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'loop', action: this, loopDelta: loopDelta\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tthis.time = time;\n\n\t\t\t}\n\n\t\t\tif ( pingPong && ( loopCount & 1 ) === 1 ) {\n\n\t\t\t\t// invert time for the \"pong round\"\n\n\t\t\t\treturn duration - time;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn time;\n\n\t}\n\n\t_setEndings( atStart, atEnd, pingPong ) {\n\n\t\tconst settings = this._interpolantSettings;\n\n\t\tif ( pingPong ) {\n\n\t\t\tsettings.endingStart = ZeroSlopeEnding;\n\t\t\tsettings.endingEnd = ZeroSlopeEnding;\n\n\t\t} else {\n\n\t\t\t// assuming for LoopOnce atStart == atEnd == true\n\n\t\t\tif ( atStart ) {\n\n\t\t\t\tsettings.endingStart = this.zeroSlopeAtStart ? ZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t} else {\n\n\t\t\t\tsettings.endingStart = WrapAroundEnding;\n\n\t\t\t}\n\n\t\t\tif ( atEnd ) {\n\n\t\t\t\tsettings.endingEnd = this.zeroSlopeAtEnd ? ZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t} else {\n\n\t\t\t\tsettings.endingEnd \t = WrapAroundEnding;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_scheduleFading( duration, weightNow, weightThen ) {\n\n\t\tconst mixer = this._mixer, now = mixer.time;\n\t\tlet interpolant = this._weightInterpolant;\n\n\t\tif ( interpolant === null ) {\n\n\t\t\tinterpolant = mixer._lendControlInterpolant();\n\t\t\tthis._weightInterpolant = interpolant;\n\n\t\t}\n\n\t\tconst times = interpolant.parameterPositions,\n\t\t\tvalues = interpolant.sampleValues;\n\n\t\ttimes[ 0 ] = now;\n\t\tvalues[ 0 ] = weightNow;\n\t\ttimes[ 1 ] = now + duration;\n\t\tvalues[ 1 ] = weightThen;\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _controlInterpolantsResultBuffer = new Float32Array( 1 );\n\n\nclass AnimationMixer extends EventDispatcher {\n\n\tconstructor( root ) {\n\n\t\tsuper();\n\n\t\tthis._root = root;\n\t\tthis._initMemoryManager();\n\t\tthis._accuIndex = 0;\n\t\tthis.time = 0;\n\t\tthis.timeScale = 1.0;\n\n\t}\n\n\t_bindAction( action, prototypeAction ) {\n\n\t\tconst root = action._localRoot || this._root,\n\t\t\ttracks = action._clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tbindings = action._propertyBindings,\n\t\t\tinterpolants = action._interpolants,\n\t\t\trootUuid = root.uuid,\n\t\t\tbindingsByRoot = this._bindingsByRootAndName;\n\n\t\tlet bindingsByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingsByName === undefined ) {\n\n\t\t\tbindingsByName = {};\n\t\t\tbindingsByRoot[ rootUuid ] = bindingsByName;\n\n\t\t}\n\n\t\tfor ( let i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tconst track = tracks[ i ],\n\t\t\t\ttrackName = track.name;\n\n\t\t\tlet binding = bindingsByName[ trackName ];\n\n\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t++ binding.referenceCount;\n\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t} else {\n\n\t\t\t\tbinding = bindings[ i ];\n\n\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\t// existing binding, make sure the cache knows\n\n\t\t\t\t\tif ( binding._cacheIndex === null ) {\n\n\t\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tconst path = prototypeAction && prototypeAction.\n\t\t\t\t\t_propertyBindings[ i ].binding.parsedPath;\n\n\t\t\t\tbinding = new PropertyMixer(\n\t\t\t\t\tPropertyBinding.create( root, trackName, path ),\n\t\t\t\t\ttrack.ValueTypeName, track.getValueSize() );\n\n\t\t\t\t++ binding.referenceCount;\n\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t}\n\n\t\t\tinterpolants[ i ].resultBuffer = binding.buffer;\n\n\t\t}\n\n\t}\n\n\t_activateAction( action ) {\n\n\t\tif ( ! this._isActiveAction( action ) ) {\n\n\t\t\tif ( action._cacheIndex === null ) {\n\n\t\t\t\t// this action has been forgotten by the cache, but the user\n\t\t\t\t// appears to be still using it -> rebind\n\n\t\t\t\tconst rootUuid = ( action._localRoot || this._root ).uuid,\n\t\t\t\t\tclipUuid = action._clip.uuid,\n\t\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\t\tthis._bindAction( action,\n\t\t\t\t\tactionsForClip && actionsForClip.knownActions[ 0 ] );\n\n\t\t\t\tthis._addInactiveAction( action, clipUuid, rootUuid );\n\n\t\t\t}\n\n\t\t\tconst bindings = action._propertyBindings;\n\n\t\t\t// increment reference counts / sort out state\n\t\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tconst binding = bindings[ i ];\n\n\t\t\t\tif ( binding.useCount ++ === 0 ) {\n\n\t\t\t\t\tthis._lendBinding( binding );\n\t\t\t\t\tbinding.saveOriginalState();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._lendAction( action );\n\n\t\t}\n\n\t}\n\n\t_deactivateAction( action ) {\n\n\t\tif ( this._isActiveAction( action ) ) {\n\n\t\t\tconst bindings = action._propertyBindings;\n\n\t\t\t// decrement reference counts / sort out state\n\t\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tconst binding = bindings[ i ];\n\n\t\t\t\tif ( -- binding.useCount === 0 ) {\n\n\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\tthis._takeBackBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._takeBackAction( action );\n\n\t\t}\n\n\t}\n\n\t// Memory manager\n\n\t_initMemoryManager() {\n\n\t\tthis._actions = []; // 'nActiveActions' followed by inactive ones\n\t\tthis._nActiveActions = 0;\n\n\t\tthis._actionsByClip = {};\n\t\t// inside:\n\t\t// {\n\t\t// \tknownActions: Array< AnimationAction > - used as prototypes\n\t\t// \tactionByRoot: AnimationAction - lookup\n\t\t// }\n\n\n\t\tthis._bindings = []; // 'nActiveBindings' followed by inactive ones\n\t\tthis._nActiveBindings = 0;\n\n\t\tthis._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer >\n\n\n\t\tthis._controlInterpolants = []; // same game as above\n\t\tthis._nActiveControlInterpolants = 0;\n\n\t\tconst scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tactions: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._actions.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveActions;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tbindings: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._bindings.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveBindings;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tcontrolInterpolants: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._controlInterpolants.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveControlInterpolants;\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t// Memory management for AnimationAction objects\n\n\t_isActiveAction( action ) {\n\n\t\tconst index = action._cacheIndex;\n\t\treturn index !== null && index < this._nActiveActions;\n\n\t}\n\n\t_addInactiveAction( action, clipUuid, rootUuid ) {\n\n\t\tconst actions = this._actions,\n\t\t\tactionsByClip = this._actionsByClip;\n\n\t\tlet actionsForClip = actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip === undefined ) {\n\n\t\t\tactionsForClip = {\n\n\t\t\t\tknownActions: [ action ],\n\t\t\t\tactionByRoot: {}\n\n\t\t\t};\n\n\t\t\taction._byClipCacheIndex = 0;\n\n\t\t\tactionsByClip[ clipUuid ] = actionsForClip;\n\n\t\t} else {\n\n\t\t\tconst knownActions = actionsForClip.knownActions;\n\n\t\t\taction._byClipCacheIndex = knownActions.length;\n\t\t\tknownActions.push( action );\n\n\t\t}\n\n\t\taction._cacheIndex = actions.length;\n\t\tactions.push( action );\n\n\t\tactionsForClip.actionByRoot[ rootUuid ] = action;\n\n\t}\n\n\t_removeInactiveAction( action ) {\n\n\t\tconst actions = this._actions,\n\t\t\tlastInactiveAction = actions[ actions.length - 1 ],\n\t\t\tcacheIndex = action._cacheIndex;\n\n\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\tactions.pop();\n\n\t\taction._cacheIndex = null;\n\n\n\t\tconst clipUuid = action._clip.uuid,\n\t\t\tactionsByClip = this._actionsByClip,\n\t\t\tactionsForClip = actionsByClip[ clipUuid ],\n\t\t\tknownActionsForClip = actionsForClip.knownActions,\n\n\t\t\tlastKnownAction =\n\t\t\t\tknownActionsForClip[ knownActionsForClip.length - 1 ],\n\n\t\t\tbyClipCacheIndex = action._byClipCacheIndex;\n\n\t\tlastKnownAction._byClipCacheIndex = byClipCacheIndex;\n\t\tknownActionsForClip[ byClipCacheIndex ] = lastKnownAction;\n\t\tknownActionsForClip.pop();\n\n\t\taction._byClipCacheIndex = null;\n\n\n\t\tconst actionByRoot = actionsForClip.actionByRoot,\n\t\t\trootUuid = ( action._localRoot || this._root ).uuid;\n\n\t\tdelete actionByRoot[ rootUuid ];\n\n\t\tif ( knownActionsForClip.length === 0 ) {\n\n\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t}\n\n\t\tthis._removeInactiveBindingsForAction( action );\n\n\t}\n\n\t_removeInactiveBindingsForAction( action ) {\n\n\t\tconst bindings = action._propertyBindings;\n\n\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tconst binding = bindings[ i ];\n\n\t\t\tif ( -- binding.referenceCount === 0 ) {\n\n\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_lendAction( action ) {\n\n\t\t// [ active actions | inactive actions ]\n\t\t// [ active actions >| inactive actions ]\n\t\t// s a\n\t\t// <-swap->\n\t\t// a s\n\n\t\tconst actions = this._actions,\n\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\tlastActiveIndex = this._nActiveActions ++,\n\n\t\t\tfirstInactiveAction = actions[ lastActiveIndex ];\n\n\t\taction._cacheIndex = lastActiveIndex;\n\t\tactions[ lastActiveIndex ] = action;\n\n\t\tfirstInactiveAction._cacheIndex = prevIndex;\n\t\tactions[ prevIndex ] = firstInactiveAction;\n\n\t}\n\n\t_takeBackAction( action ) {\n\n\t\t// [ active actions | inactive actions ]\n\t\t// [ active actions |< inactive actions ]\n\t\t// a s\n\t\t// <-swap->\n\t\t// s a\n\n\t\tconst actions = this._actions,\n\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveActions,\n\n\t\t\tlastActiveAction = actions[ firstInactiveIndex ];\n\n\t\taction._cacheIndex = firstInactiveIndex;\n\t\tactions[ firstInactiveIndex ] = action;\n\n\t\tlastActiveAction._cacheIndex = prevIndex;\n\t\tactions[ prevIndex ] = lastActiveAction;\n\n\t}\n\n\t// Memory management for PropertyMixer objects\n\n\t_addInactiveBinding( binding, rootUuid, trackName ) {\n\n\t\tconst bindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindings = this._bindings;\n\n\t\tlet bindingByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingByName === undefined ) {\n\n\t\t\tbindingByName = {};\n\t\t\tbindingsByRoot[ rootUuid ] = bindingByName;\n\n\t\t}\n\n\t\tbindingByName[ trackName ] = binding;\n\n\t\tbinding._cacheIndex = bindings.length;\n\t\tbindings.push( binding );\n\n\t}\n\n\t_removeInactiveBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tpropBinding = binding.binding,\n\t\t\trootUuid = propBinding.rootNode.uuid,\n\t\t\ttrackName = propBinding.path,\n\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\tlastInactiveBinding = bindings[ bindings.length - 1 ],\n\t\t\tcacheIndex = binding._cacheIndex;\n\n\t\tlastInactiveBinding._cacheIndex = cacheIndex;\n\t\tbindings[ cacheIndex ] = lastInactiveBinding;\n\t\tbindings.pop();\n\n\t\tdelete bindingByName[ trackName ];\n\n\t\tif ( Object.keys( bindingByName ).length === 0 ) {\n\n\t\t\tdelete bindingsByRoot[ rootUuid ];\n\n\t\t}\n\n\t}\n\n\t_lendBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\tlastActiveIndex = this._nActiveBindings ++,\n\n\t\t\tfirstInactiveBinding = bindings[ lastActiveIndex ];\n\n\t\tbinding._cacheIndex = lastActiveIndex;\n\t\tbindings[ lastActiveIndex ] = binding;\n\n\t\tfirstInactiveBinding._cacheIndex = prevIndex;\n\t\tbindings[ prevIndex ] = firstInactiveBinding;\n\n\t}\n\n\t_takeBackBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveBindings,\n\n\t\t\tlastActiveBinding = bindings[ firstInactiveIndex ];\n\n\t\tbinding._cacheIndex = firstInactiveIndex;\n\t\tbindings[ firstInactiveIndex ] = binding;\n\n\t\tlastActiveBinding._cacheIndex = prevIndex;\n\t\tbindings[ prevIndex ] = lastActiveBinding;\n\n\t}\n\n\n\t// Memory management of Interpolants for weight and time scale\n\n\t_lendControlInterpolant() {\n\n\t\tconst interpolants = this._controlInterpolants,\n\t\t\tlastActiveIndex = this._nActiveControlInterpolants ++;\n\n\t\tlet interpolant = interpolants[ lastActiveIndex ];\n\n\t\tif ( interpolant === undefined ) {\n\n\t\t\tinterpolant = new LinearInterpolant(\n\t\t\t\tnew Float32Array( 2 ), new Float32Array( 2 ),\n\t\t\t\t1, _controlInterpolantsResultBuffer );\n\n\t\t\tinterpolant.__cacheIndex = lastActiveIndex;\n\t\t\tinterpolants[ lastActiveIndex ] = interpolant;\n\n\t\t}\n\n\t\treturn interpolant;\n\n\t}\n\n\t_takeBackControlInterpolant( interpolant ) {\n\n\t\tconst interpolants = this._controlInterpolants,\n\t\t\tprevIndex = interpolant.__cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveControlInterpolants,\n\n\t\t\tlastActiveInterpolant = interpolants[ firstInactiveIndex ];\n\n\t\tinterpolant.__cacheIndex = firstInactiveIndex;\n\t\tinterpolants[ firstInactiveIndex ] = interpolant;\n\n\t\tlastActiveInterpolant.__cacheIndex = prevIndex;\n\t\tinterpolants[ prevIndex ] = lastActiveInterpolant;\n\n\t}\n\n\t// return an action for a clip optionally using a custom root target\n\t// object (this method allocates a lot of dynamic memory in case a\n\t// previously unknown clip/root combination is specified)\n\tclipAction( clip, optionalRoot, blendMode ) {\n\n\t\tconst root = optionalRoot || this._root,\n\t\t\trootUuid = root.uuid;\n\n\t\tlet clipObject = typeof clip === 'string' ? AnimationClip.findByName( root, clip ) : clip;\n\n\t\tconst clipUuid = clipObject !== null ? clipObject.uuid : clip;\n\n\t\tconst actionsForClip = this._actionsByClip[ clipUuid ];\n\t\tlet prototypeAction = null;\n\n\t\tif ( blendMode === undefined ) {\n\n\t\t\tif ( clipObject !== null ) {\n\n\t\t\t\tblendMode = clipObject.blendMode;\n\n\t\t\t} else {\n\n\t\t\t\tblendMode = NormalAnimationBlendMode;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\tconst existingAction = actionsForClip.actionByRoot[ rootUuid ];\n\n\t\t\tif ( existingAction !== undefined && existingAction.blendMode === blendMode ) {\n\n\t\t\t\treturn existingAction;\n\n\t\t\t}\n\n\t\t\t// we know the clip, so we don't have to parse all\n\t\t\t// the bindings again but can just copy\n\t\t\tprototypeAction = actionsForClip.knownActions[ 0 ];\n\n\t\t\t// also, take the clip from the prototype action\n\t\t\tif ( clipObject === null )\n\t\t\t\tclipObject = prototypeAction._clip;\n\n\t\t}\n\n\t\t// clip must be known when specified via string\n\t\tif ( clipObject === null ) return null;\n\n\t\t// allocate all resources required to run it\n\t\tconst newAction = new AnimationAction( this, clipObject, optionalRoot, blendMode );\n\n\t\tthis._bindAction( newAction, prototypeAction );\n\n\t\t// and make the action known to the memory manager\n\t\tthis._addInactiveAction( newAction, clipUuid, rootUuid );\n\n\t\treturn newAction;\n\n\t}\n\n\t// get an existing action\n\texistingAction( clip, optionalRoot ) {\n\n\t\tconst root = optionalRoot || this._root,\n\t\t\trootUuid = root.uuid,\n\n\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\tclipUuid = clipObject ? clipObject.uuid : clip,\n\n\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\treturn actionsForClip.actionByRoot[ rootUuid ] || null;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\t// deactivates all previously scheduled actions\n\tstopAllAction() {\n\n\t\tconst actions = this._actions,\n\t\t\tnActions = this._nActiveActions;\n\n\t\tfor ( let i = nActions - 1; i >= 0; -- i ) {\n\n\t\t\tactions[ i ].stop();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// advance the time and update apply the animation\n\tupdate( deltaTime ) {\n\n\t\tdeltaTime *= this.timeScale;\n\n\t\tconst actions = this._actions,\n\t\t\tnActions = this._nActiveActions,\n\n\t\t\ttime = this.time += deltaTime,\n\t\t\ttimeDirection = Math.sign( deltaTime ),\n\n\t\t\taccuIndex = this._accuIndex ^= 1;\n\n\t\t// run active actions\n\n\t\tfor ( let i = 0; i !== nActions; ++ i ) {\n\n\t\t\tconst action = actions[ i ];\n\n\t\t\taction._update( time, deltaTime, timeDirection, accuIndex );\n\n\t\t}\n\n\t\t// update scene graph\n\n\t\tconst bindings = this._bindings,\n\t\t\tnBindings = this._nActiveBindings;\n\n\t\tfor ( let i = 0; i !== nBindings; ++ i ) {\n\n\t\t\tbindings[ i ].apply( accuIndex );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// Allows you to seek to a specific time in an animation.\n\tsetTime( timeInSeconds ) {\n\n\t\tthis.time = 0; // Zero out time attribute for AnimationMixer object;\n\t\tfor ( let i = 0; i < this._actions.length; i ++ ) {\n\n\t\t\tthis._actions[ i ].time = 0; // Zero out time attribute for all associated AnimationAction objects.\n\n\t\t}\n\n\t\treturn this.update( timeInSeconds ); // Update used to set exact time. Returns \"this\" AnimationMixer object.\n\n\t}\n\n\t// return this mixer's root target object\n\tgetRoot() {\n\n\t\treturn this._root;\n\n\t}\n\n\t// free all resources specific to a particular clip\n\tuncacheClip( clip ) {\n\n\t\tconst actions = this._actions,\n\t\t\tclipUuid = clip.uuid,\n\t\t\tactionsByClip = this._actionsByClip,\n\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t// note: just calling _removeInactiveAction would mess up the\n\t\t\t// iteration state and also require updating the state we can\n\t\t\t// just throw away\n\n\t\t\tconst actionsToRemove = actionsForClip.knownActions;\n\n\t\t\tfor ( let i = 0, n = actionsToRemove.length; i !== n; ++ i ) {\n\n\t\t\t\tconst action = actionsToRemove[ i ];\n\n\t\t\t\tthis._deactivateAction( action );\n\n\t\t\t\tconst cacheIndex = action._cacheIndex,\n\t\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ];\n\n\t\t\t\taction._cacheIndex = null;\n\t\t\t\taction._byClipCacheIndex = null;\n\n\t\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\t\tactions.pop();\n\n\t\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t\t}\n\n\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t}\n\n\t}\n\n\t// free all resources specific to a particular root target object\n\tuncacheRoot( root ) {\n\n\t\tconst rootUuid = root.uuid,\n\t\t\tactionsByClip = this._actionsByClip;\n\n\t\tfor ( const clipUuid in actionsByClip ) {\n\n\t\t\tconst actionByRoot = actionsByClip[ clipUuid ].actionByRoot,\n\t\t\t\taction = actionByRoot[ rootUuid ];\n\n\t\t\tif ( action !== undefined ) {\n\n\t\t\t\tthis._deactivateAction( action );\n\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst bindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindingByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingByName !== undefined ) {\n\n\t\t\tfor ( const trackName in bindingByName ) {\n\n\t\t\t\tconst binding = bindingByName[ trackName ];\n\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// remove a targeted clip from the cache\n\tuncacheAction( clip, optionalRoot ) {\n\n\t\tconst action = this.existingAction( clip, optionalRoot );\n\n\t\tif ( action !== null ) {\n\n\t\t\tthis._deactivateAction( action );\n\t\t\tthis._removeInactiveAction( action );\n\n\t\t}\n\n\t}\n\n}\n\nclass RenderTarget3D extends RenderTarget {\n\n\tconstructor( width = 1, height = 1, depth = 1, options = {} ) {\n\n\t\tsuper( width, height, options );\n\n\t\tthis.isRenderTarget3D = true;\n\n\t\tthis.depth = depth;\n\n\t\tthis.texture = new Data3DTexture( null, width, height, depth );\n\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t}\n\n}\n\nclass RenderTargetArray extends RenderTarget {\n\n\tconstructor( width = 1, height = 1, depth = 1, options = {} ) {\n\n\t\tsuper( width, height, options );\n\n\t\tthis.isRenderTargetArray = true;\n\n\t\tthis.depth = depth;\n\n\t\tthis.texture = new DataArrayTexture( null, width, height, depth );\n\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t}\n\n}\n\nclass Uniform {\n\n\tconstructor( value ) {\n\n\t\tthis.value = value;\n\n\t}\n\n\tclone() {\n\n\t\treturn new Uniform( this.value.clone === undefined ? this.value : this.value.clone() );\n\n\t}\n\n}\n\nlet _id = 0;\n\nclass UniformsGroup extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isUniformsGroup = true;\n\n\t\tObject.defineProperty( this, 'id', { value: _id ++ } );\n\n\t\tthis.name = '';\n\n\t\tthis.usage = StaticDrawUsage;\n\t\tthis.uniforms = [];\n\n\t}\n\n\tadd( uniform ) {\n\n\t\tthis.uniforms.push( uniform );\n\n\t\treturn this;\n\n\t}\n\n\tremove( uniform ) {\n\n\t\tconst index = this.uniforms.indexOf( uniform );\n\n\t\tif ( index !== - 1 ) this.uniforms.splice( index, 1 );\n\n\t\treturn this;\n\n\t}\n\n\tsetName( name ) {\n\n\t\tthis.name = name;\n\n\t\treturn this;\n\n\t}\n\n\tsetUsage( value ) {\n\n\t\tthis.usage = value;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\t\tthis.usage = source.usage;\n\n\t\tconst uniformsSource = source.uniforms;\n\n\t\tthis.uniforms.length = 0;\n\n\t\tfor ( let i = 0, l = uniformsSource.length; i < l; i ++ ) {\n\n\t\t\tconst uniforms = Array.isArray( uniformsSource[ i ] ) ? uniformsSource[ i ] : [ uniformsSource[ i ] ];\n\n\t\t\tfor ( let j = 0; j < uniforms.length; j ++ ) {\n\n\t\t\t\tthis.uniforms.push( uniforms[ j ].clone() );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nclass InstancedInterleavedBuffer extends InterleavedBuffer {\n\n\tconstructor( array, stride, meshPerAttribute = 1 ) {\n\n\t\tsuper( array, stride );\n\n\t\tthis.isInstancedInterleavedBuffer = true;\n\n\t\tthis.meshPerAttribute = meshPerAttribute;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tconst ib = super.clone( data );\n\n\t\tib.meshPerAttribute = this.meshPerAttribute;\n\n\t\treturn ib;\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tconst json = super.toJSON( data );\n\n\t\tjson.isInstancedInterleavedBuffer = true;\n\t\tjson.meshPerAttribute = this.meshPerAttribute;\n\n\t\treturn json;\n\n\t}\n\n}\n\nclass GLBufferAttribute {\n\n\tconstructor( buffer, type, itemSize, elementSize, count ) {\n\n\t\tthis.isGLBufferAttribute = true;\n\n\t\tthis.name = '';\n\n\t\tthis.buffer = buffer;\n\t\tthis.type = type;\n\t\tthis.itemSize = itemSize;\n\t\tthis.elementSize = elementSize;\n\t\tthis.count = count;\n\n\t\tthis.version = 0;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tsetBuffer( buffer ) {\n\n\t\tthis.buffer = buffer;\n\n\t\treturn this;\n\n\t}\n\n\tsetType( type, elementSize ) {\n\n\t\tthis.type = type;\n\t\tthis.elementSize = elementSize;\n\n\t\treturn this;\n\n\t}\n\n\tsetItemSize( itemSize ) {\n\n\t\tthis.itemSize = itemSize;\n\n\t\treturn this;\n\n\t}\n\n\tsetCount( count ) {\n\n\t\tthis.count = count;\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _matrix = /*@__PURE__*/ new Matrix4();\n\nclass Raycaster {\n\n\tconstructor( origin, direction, near = 0, far = Infinity ) {\n\n\t\tthis.ray = new Ray( origin, direction );\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\t\tthis.camera = null;\n\t\tthis.layers = new Layers();\n\n\t\tthis.params = {\n\t\t\tMesh: {},\n\t\t\tLine: { threshold: 1 },\n\t\t\tLOD: {},\n\t\t\tPoints: { threshold: 1 },\n\t\t\tSprite: {}\n\t\t};\n\n\t}\n\n\tset( origin, direction ) {\n\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.ray.set( origin, direction );\n\n\t}\n\n\tsetFromCamera( coords, camera ) {\n\n\t\tif ( camera.isPerspectiveCamera ) {\n\n\t\t\tthis.ray.origin.setFromMatrixPosition( camera.matrixWorld );\n\t\t\tthis.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize();\n\t\t\tthis.camera = camera;\n\n\t\t} else if ( camera.isOrthographicCamera ) {\n\n\t\t\tthis.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera\n\t\t\tthis.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld );\n\t\t\tthis.camera = camera;\n\n\t\t} else {\n\n\t\t\tconsole.error( 'THREE.Raycaster: Unsupported camera type: ' + camera.type );\n\n\t\t}\n\n\t}\n\n\tsetFromXRController( controller ) {\n\n\t\t_matrix.identity().extractRotation( controller.matrixWorld );\n\n\t\tthis.ray.origin.setFromMatrixPosition( controller.matrixWorld );\n\t\tthis.ray.direction.set( 0, 0, - 1 ).applyMatrix4( _matrix );\n\n\t\treturn this;\n\n\t}\n\n\tintersectObject( object, recursive = true, intersects = [] ) {\n\n\t\tintersect( object, this, intersects, recursive );\n\n\t\tintersects.sort( ascSort );\n\n\t\treturn intersects;\n\n\t}\n\n\tintersectObjects( objects, recursive = true, intersects = [] ) {\n\n\t\tfor ( let i = 0, l = objects.length; i < l; i ++ ) {\n\n\t\t\tintersect( objects[ i ], this, intersects, recursive );\n\n\t\t}\n\n\t\tintersects.sort( ascSort );\n\n\t\treturn intersects;\n\n\t}\n\n}\n\nfunction ascSort( a, b ) {\n\n\treturn a.distance - b.distance;\n\n}\n\nfunction intersect( object, raycaster, intersects, recursive ) {\n\n\tlet propagate = true;\n\n\tif ( object.layers.test( raycaster.layers ) ) {\n\n\t\tconst result = object.raycast( raycaster, intersects );\n\n\t\tif ( result === false ) propagate = false;\n\n\t}\n\n\tif ( propagate === true && recursive === true ) {\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tintersect( children[ i ], raycaster, intersects, true );\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system\n *\n * phi (the polar angle) is measured from the positive y-axis. The positive y-axis is up.\n * theta (the azimuthal angle) is measured from the positive z-axis.\n */\nclass Spherical {\n\n\tconstructor( radius = 1, phi = 0, theta = 0 ) {\n\n\t\tthis.radius = radius;\n\t\tthis.phi = phi; // polar angle\n\t\tthis.theta = theta; // azimuthal angle\n\n\t\treturn this;\n\n\t}\n\n\tset( radius, phi, theta ) {\n\n\t\tthis.radius = radius;\n\t\tthis.phi = phi;\n\t\tthis.theta = theta;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( other ) {\n\n\t\tthis.radius = other.radius;\n\t\tthis.phi = other.phi;\n\t\tthis.theta = other.theta;\n\n\t\treturn this;\n\n\t}\n\n\t// restrict phi to be between EPS and PI-EPS\n\tmakeSafe() {\n\n\t\tconst EPS = 0.000001;\n\t\tthis.phi = clamp( this.phi, EPS, Math.PI - EPS );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromVector3( v ) {\n\n\t\treturn this.setFromCartesianCoords( v.x, v.y, v.z );\n\n\t}\n\n\tsetFromCartesianCoords( x, y, z ) {\n\n\t\tthis.radius = Math.sqrt( x * x + y * y + z * z );\n\n\t\tif ( this.radius === 0 ) {\n\n\t\t\tthis.theta = 0;\n\t\t\tthis.phi = 0;\n\n\t\t} else {\n\n\t\t\tthis.theta = Math.atan2( x, z );\n\t\t\tthis.phi = Math.acos( clamp( y / this.radius, - 1, 1 ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\n/**\n * Ref: https://en.wikipedia.org/wiki/Cylindrical_coordinate_system\n */\n\nclass Cylindrical {\n\n\tconstructor( radius = 1, theta = 0, y = 0 ) {\n\n\t\tthis.radius = radius; // distance from the origin to a point in the x-z plane\n\t\tthis.theta = theta; // counterclockwise angle in the x-z plane measured in radians from the positive z-axis\n\t\tthis.y = y; // height above the x-z plane\n\n\t\treturn this;\n\n\t}\n\n\tset( radius, theta, y ) {\n\n\t\tthis.radius = radius;\n\t\tthis.theta = theta;\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( other ) {\n\n\t\tthis.radius = other.radius;\n\t\tthis.theta = other.theta;\n\t\tthis.y = other.y;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromVector3( v ) {\n\n\t\treturn this.setFromCartesianCoords( v.x, v.y, v.z );\n\n\t}\n\n\tsetFromCartesianCoords( x, y, z ) {\n\n\t\tthis.radius = Math.sqrt( x * x + z * z );\n\t\tthis.theta = Math.atan2( x, z );\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nclass Matrix2 {\n\n\tconstructor( n11, n12, n21, n22 ) {\n\n\t\tMatrix2.prototype.isMatrix2 = true;\n\n\t\tthis.elements = [\n\t\t\t1, 0,\n\t\t\t0, 1,\n\t\t];\n\n\t\tif ( n11 !== undefined ) {\n\n\t\t\tthis.set( n11, n12, n21, n22 );\n\n\t\t}\n\n\t}\n\n\tidentity() {\n\n\t\tthis.set(\n\t\t\t1, 0,\n\t\t\t0, 1,\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tfor ( let i = 0; i < 4; i ++ ) {\n\n\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tset( n11, n12, n21, n22 ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] = n11; te[ 2 ] = n12;\n\t\tte[ 1 ] = n21; te[ 3 ] = n22;\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _vector$4 = /*@__PURE__*/ new Vector2();\n\nclass Box2 {\n\n\tconstructor( min = new Vector2( + Infinity, + Infinity ), max = new Vector2( - Infinity, - Infinity ) ) {\n\n\t\tthis.isBox2 = true;\n\n\t\tthis.min = min;\n\t\tthis.max = max;\n\n\t}\n\n\tset( min, max ) {\n\n\t\tthis.min.copy( min );\n\t\tthis.max.copy( max );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCenterAndSize( center, size ) {\n\n\t\tconst halfSize = _vector$4.copy( size ).multiplyScalar( 0.5 );\n\t\tthis.min.copy( center ).sub( halfSize );\n\t\tthis.max.copy( center ).add( halfSize );\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( box ) {\n\n\t\tthis.min.copy( box.min );\n\t\tthis.max.copy( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tmakeEmpty() {\n\n\t\tthis.min.x = this.min.y = + Infinity;\n\t\tthis.max.x = this.max.y = - Infinity;\n\n\t\treturn this;\n\n\t}\n\n\tisEmpty() {\n\n\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y );\n\n\t}\n\n\tgetCenter( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t}\n\n\tgetSize( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0 ) : target.subVectors( this.max, this.min );\n\n\t}\n\n\texpandByPoint( point ) {\n\n\t\tthis.min.min( point );\n\t\tthis.max.max( point );\n\n\t\treturn this;\n\n\t}\n\n\texpandByVector( vector ) {\n\n\t\tthis.min.sub( vector );\n\t\tthis.max.add( vector );\n\n\t\treturn this;\n\n\t}\n\n\texpandByScalar( scalar ) {\n\n\t\tthis.min.addScalar( - scalar );\n\t\tthis.max.addScalar( scalar );\n\n\t\treturn this;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn point.x >= this.min.x && point.x <= this.max.x &&\n\t\t\tpoint.y >= this.min.y && point.y <= this.max.y;\n\n\t}\n\n\tcontainsBox( box ) {\n\n\t\treturn this.min.x <= box.min.x && box.max.x <= this.max.x &&\n\t\t\tthis.min.y <= box.min.y && box.max.y <= this.max.y;\n\n\t}\n\n\tgetParameter( point, target ) {\n\n\t\t// This can potentially have a divide by zero if the box\n\t\t// has a size dimension of 0.\n\n\t\treturn target.set(\n\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y )\n\t\t);\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\t// using 4 splitting planes to rule out intersections\n\n\t\treturn box.max.x >= this.min.x && box.min.x <= this.max.x &&\n\t\t\tbox.max.y >= this.min.y && box.min.y <= this.max.y;\n\n\t}\n\n\tclampPoint( point, target ) {\n\n\t\treturn target.copy( point ).clamp( this.min, this.max );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn this.clampPoint( point, _vector$4 ).distanceTo( point );\n\n\t}\n\n\tintersect( box ) {\n\n\t\tthis.min.max( box.min );\n\t\tthis.max.min( box.max );\n\n\t\tif ( this.isEmpty() ) this.makeEmpty();\n\n\t\treturn this;\n\n\t}\n\n\tunion( box ) {\n\n\t\tthis.min.min( box.min );\n\t\tthis.max.max( box.max );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.min.add( offset );\n\t\tthis.max.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\tequals( box ) {\n\n\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t}\n\n}\n\nconst _startP = /*@__PURE__*/ new Vector3();\nconst _startEnd = /*@__PURE__*/ new Vector3();\n\nclass Line3 {\n\n\tconstructor( start = new Vector3(), end = new Vector3() ) {\n\n\t\tthis.start = start;\n\t\tthis.end = end;\n\n\t}\n\n\tset( start, end ) {\n\n\t\tthis.start.copy( start );\n\t\tthis.end.copy( end );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( line ) {\n\n\t\tthis.start.copy( line.start );\n\t\tthis.end.copy( line.end );\n\n\t\treturn this;\n\n\t}\n\n\tgetCenter( target ) {\n\n\t\treturn target.addVectors( this.start, this.end ).multiplyScalar( 0.5 );\n\n\t}\n\n\tdelta( target ) {\n\n\t\treturn target.subVectors( this.end, this.start );\n\n\t}\n\n\tdistanceSq() {\n\n\t\treturn this.start.distanceToSquared( this.end );\n\n\t}\n\n\tdistance() {\n\n\t\treturn this.start.distanceTo( this.end );\n\n\t}\n\n\tat( t, target ) {\n\n\t\treturn this.delta( target ).multiplyScalar( t ).add( this.start );\n\n\t}\n\n\tclosestPointToPointParameter( point, clampToLine ) {\n\n\t\t_startP.subVectors( point, this.start );\n\t\t_startEnd.subVectors( this.end, this.start );\n\n\t\tconst startEnd2 = _startEnd.dot( _startEnd );\n\t\tconst startEnd_startP = _startEnd.dot( _startP );\n\n\t\tlet t = startEnd_startP / startEnd2;\n\n\t\tif ( clampToLine ) {\n\n\t\t\tt = clamp( t, 0, 1 );\n\n\t\t}\n\n\t\treturn t;\n\n\t}\n\n\tclosestPointToPoint( point, clampToLine, target ) {\n\n\t\tconst t = this.closestPointToPointParameter( point, clampToLine );\n\n\t\treturn this.delta( target ).multiplyScalar( t ).add( this.start );\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tthis.start.applyMatrix4( matrix );\n\t\tthis.end.applyMatrix4( matrix );\n\n\t\treturn this;\n\n\t}\n\n\tequals( line ) {\n\n\t\treturn line.start.equals( this.start ) && line.end.equals( this.end );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _vector$3 = /*@__PURE__*/ new Vector3();\n\nclass SpotLightHelper extends Object3D {\n\n\tconstructor( light, color ) {\n\n\t\tsuper();\n\n\t\tthis.light = light;\n\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.color = color;\n\n\t\tthis.type = 'SpotLightHelper';\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tconst positions = [\n\t\t\t0, 0, 0, \t0, 0, 1,\n\t\t\t0, 0, 0, \t1, 0, 1,\n\t\t\t0, 0, 0,\t- 1, 0, 1,\n\t\t\t0, 0, 0, \t0, 1, 1,\n\t\t\t0, 0, 0, \t0, - 1, 1\n\t\t];\n\n\t\tfor ( let i = 0, j = 1, l = 32; i < l; i ++, j ++ ) {\n\n\t\t\tconst p1 = ( i / l ) * Math.PI * 2;\n\t\t\tconst p2 = ( j / l ) * Math.PI * 2;\n\n\t\t\tpositions.push(\n\t\t\t\tMath.cos( p1 ), Math.sin( p1 ), 1,\n\t\t\t\tMath.cos( p2 ), Math.sin( p2 ), 1\n\t\t\t);\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { fog: false, toneMapped: false } );\n\n\t\tthis.cone = new LineSegments( geometry, material );\n\t\tthis.add( this.cone );\n\n\t\tthis.update();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.cone.geometry.dispose();\n\t\tthis.cone.material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tthis.light.updateWorldMatrix( true, false );\n\t\tthis.light.target.updateWorldMatrix( true, false );\n\n\t\t// update the local matrix based on the parent and light target transforms\n\t\tif ( this.parent ) {\n\n\t\t\tthis.parent.updateWorldMatrix( true );\n\n\t\t\tthis.matrix\n\t\t\t\t.copy( this.parent.matrixWorld )\n\t\t\t\t.invert()\n\t\t\t\t.multiply( this.light.matrixWorld );\n\n\t\t} else {\n\n\t\t\tthis.matrix.copy( this.light.matrixWorld );\n\n\t\t}\n\n\t\tthis.matrixWorld.copy( this.light.matrixWorld );\n\n\t\tconst coneLength = this.light.distance ? this.light.distance : 1000;\n\t\tconst coneWidth = coneLength * Math.tan( this.light.angle );\n\n\t\tthis.cone.scale.set( coneWidth, coneWidth, coneLength );\n\n\t\t_vector$3.setFromMatrixPosition( this.light.target.matrixWorld );\n\n\t\tthis.cone.lookAt( _vector$3 );\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.cone.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.cone.material.color.copy( this.light.color );\n\n\t\t}\n\n\t}\n\n}\n\nconst _vector$2 = /*@__PURE__*/ new Vector3();\nconst _boneMatrix = /*@__PURE__*/ new Matrix4();\nconst _matrixWorldInv = /*@__PURE__*/ new Matrix4();\n\n\nclass SkeletonHelper extends LineSegments {\n\n\tconstructor( object ) {\n\n\t\tconst bones = getBoneList( object );\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\tconst color1 = new Color( 0, 0, 1 );\n\t\tconst color2 = new Color( 0, 1, 0 );\n\n\t\tfor ( let i = 0; i < bones.length; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\n\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\tvertices.push( 0, 0, 0 );\n\t\t\t\tvertices.push( 0, 0, 0 );\n\t\t\t\tcolors.push( color1.r, color1.g, color1.b );\n\t\t\t\tcolors.push( color2.r, color2.g, color2.b );\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, depthTest: false, depthWrite: false, toneMapped: false, transparent: true } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.isSkeletonHelper = true;\n\n\t\tthis.type = 'SkeletonHelper';\n\n\t\tthis.root = object;\n\t\tthis.bones = bones;\n\n\t\tthis.matrix = object.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tconst bones = this.bones;\n\n\t\tconst geometry = this.geometry;\n\t\tconst position = geometry.getAttribute( 'position' );\n\n\t\t_matrixWorldInv.copy( this.root.matrixWorld ).invert();\n\n\t\tfor ( let i = 0, j = 0; i < bones.length; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\n\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\t_boneMatrix.multiplyMatrices( _matrixWorldInv, bone.matrixWorld );\n\t\t\t\t_vector$2.setFromMatrixPosition( _boneMatrix );\n\t\t\t\tposition.setXYZ( j, _vector$2.x, _vector$2.y, _vector$2.z );\n\n\t\t\t\t_boneMatrix.multiplyMatrices( _matrixWorldInv, bone.parent.matrixWorld );\n\t\t\t\t_vector$2.setFromMatrixPosition( _boneMatrix );\n\t\t\t\tposition.setXYZ( j + 1, _vector$2.x, _vector$2.y, _vector$2.z );\n\n\t\t\t\tj += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.getAttribute( 'position' ).needsUpdate = true;\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\n\nfunction getBoneList( object ) {\n\n\tconst boneList = [];\n\n\tif ( object.isBone === true ) {\n\n\t\tboneList.push( object );\n\n\t}\n\n\tfor ( let i = 0; i < object.children.length; i ++ ) {\n\n\t\tboneList.push.apply( boneList, getBoneList( object.children[ i ] ) );\n\n\t}\n\n\treturn boneList;\n\n}\n\nclass PointLightHelper extends Mesh {\n\n\tconstructor( light, sphereSize, color ) {\n\n\t\tconst geometry = new SphereGeometry( sphereSize, 4, 2 );\n\t\tconst material = new MeshBasicMaterial( { wireframe: true, fog: false, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.light = light;\n\n\t\tthis.color = color;\n\n\t\tthis.type = 'PointLightHelper';\n\n\t\tthis.matrix = this.light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\n\t\t/*\n\t// TODO: delete this comment?\n\tconst distanceGeometry = new THREE.IcosahedronGeometry( 1, 2 );\n\tconst distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } );\n\n\tthis.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial );\n\tthis.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial );\n\n\tconst d = light.distance;\n\n\tif ( d === 0.0 ) {\n\n\t\tthis.lightDistance.visible = false;\n\n\t} else {\n\n\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t}\n\n\tthis.add( this.lightDistance );\n\t*/\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tthis.light.updateWorldMatrix( true, false );\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.material.color.copy( this.light.color );\n\n\t\t}\n\n\t\t/*\n\t\tconst d = this.light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.visible = true;\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\t\t*/\n\n\t}\n\n}\n\nconst _vector$1 = /*@__PURE__*/ new Vector3();\nconst _color1 = /*@__PURE__*/ new Color();\nconst _color2 = /*@__PURE__*/ new Color();\n\nclass HemisphereLightHelper extends Object3D {\n\n\tconstructor( light, size, color ) {\n\n\t\tsuper();\n\n\t\tthis.light = light;\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.color = color;\n\n\t\tthis.type = 'HemisphereLightHelper';\n\n\t\tconst geometry = new OctahedronGeometry( size );\n\t\tgeometry.rotateY( Math.PI * 0.5 );\n\n\t\tthis.material = new MeshBasicMaterial( { wireframe: true, fog: false, toneMapped: false } );\n\t\tif ( this.color === undefined ) this.material.vertexColors = true;\n\n\t\tconst position = geometry.getAttribute( 'position' );\n\t\tconst colors = new Float32Array( position.count * 3 );\n\n\t\tgeometry.setAttribute( 'color', new BufferAttribute( colors, 3 ) );\n\n\t\tthis.add( new Mesh( geometry, this.material ) );\n\n\t\tthis.update();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.children[ 0 ].geometry.dispose();\n\t\tthis.children[ 0 ].material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tconst mesh = this.children[ 0 ];\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tconst colors = mesh.geometry.getAttribute( 'color' );\n\n\t\t\t_color1.copy( this.light.color );\n\t\t\t_color2.copy( this.light.groundColor );\n\n\t\t\tfor ( let i = 0, l = colors.count; i < l; i ++ ) {\n\n\t\t\t\tconst color = ( i < ( l / 2 ) ) ? _color1 : _color2;\n\n\t\t\t\tcolors.setXYZ( i, color.r, color.g, color.b );\n\n\t\t\t}\n\n\t\t\tcolors.needsUpdate = true;\n\n\t\t}\n\n\t\tthis.light.updateWorldMatrix( true, false );\n\n\t\tmesh.lookAt( _vector$1.setFromMatrixPosition( this.light.matrixWorld ).negate() );\n\n\t}\n\n}\n\nclass GridHelper extends LineSegments {\n\n\tconstructor( size = 10, divisions = 10, color1 = 0x444444, color2 = 0x888888 ) {\n\n\t\tcolor1 = new Color( color1 );\n\t\tcolor2 = new Color( color2 );\n\n\t\tconst center = divisions / 2;\n\t\tconst step = size / divisions;\n\t\tconst halfSize = size / 2;\n\n\t\tconst vertices = [], colors = [];\n\n\t\tfor ( let i = 0, j = 0, k = - halfSize; i <= divisions; i ++, k += step ) {\n\n\t\t\tvertices.push( - halfSize, 0, k, halfSize, 0, k );\n\t\t\tvertices.push( k, 0, - halfSize, k, 0, halfSize );\n\n\t\t\tconst color = i === center ? color1 : color2;\n\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\n\t\t}\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'GridHelper';\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\nclass PolarGridHelper extends LineSegments {\n\n\tconstructor( radius = 10, sectors = 16, rings = 8, divisions = 64, color1 = 0x444444, color2 = 0x888888 ) {\n\n\t\tcolor1 = new Color( color1 );\n\t\tcolor2 = new Color( color2 );\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\t// create the sectors\n\n\t\tif ( sectors > 1 ) {\n\n\t\t\tfor ( let i = 0; i < sectors; i ++ ) {\n\n\t\t\t\tconst v = ( i / sectors ) * ( Math.PI * 2 );\n\n\t\t\t\tconst x = Math.sin( v ) * radius;\n\t\t\t\tconst z = Math.cos( v ) * radius;\n\n\t\t\t\tvertices.push( 0, 0, 0 );\n\t\t\t\tvertices.push( x, 0, z );\n\n\t\t\t\tconst color = ( i & 1 ) ? color1 : color2;\n\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// create the rings\n\n\t\tfor ( let i = 0; i < rings; i ++ ) {\n\n\t\t\tconst color = ( i & 1 ) ? color1 : color2;\n\n\t\t\tconst r = radius - ( radius / rings * i );\n\n\t\t\tfor ( let j = 0; j < divisions; j ++ ) {\n\n\t\t\t\t// first vertex\n\n\t\t\t\tlet v = ( j / divisions ) * ( Math.PI * 2 );\n\n\t\t\t\tlet x = Math.sin( v ) * r;\n\t\t\t\tlet z = Math.cos( v ) * r;\n\n\t\t\t\tvertices.push( x, 0, z );\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\t\t// second vertex\n\n\t\t\t\tv = ( ( j + 1 ) / divisions ) * ( Math.PI * 2 );\n\n\t\t\t\tx = Math.sin( v ) * r;\n\t\t\t\tz = Math.cos( v ) * r;\n\n\t\t\t\tvertices.push( x, 0, z );\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'PolarGridHelper';\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\nconst _v1 = /*@__PURE__*/ new Vector3();\nconst _v2 = /*@__PURE__*/ new Vector3();\nconst _v3 = /*@__PURE__*/ new Vector3();\n\nclass DirectionalLightHelper extends Object3D {\n\n\tconstructor( light, size, color ) {\n\n\t\tsuper();\n\n\t\tthis.light = light;\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.color = color;\n\n\t\tthis.type = 'DirectionalLightHelper';\n\n\t\tif ( size === undefined ) size = 1;\n\n\t\tlet geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( [\n\t\t\t- size, size, 0,\n\t\t\tsize, size, 0,\n\t\t\tsize, - size, 0,\n\t\t\t- size, - size, 0,\n\t\t\t- size, size, 0\n\t\t], 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { fog: false, toneMapped: false } );\n\n\t\tthis.lightPlane = new Line( geometry, material );\n\t\tthis.add( this.lightPlane );\n\n\t\tgeometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) );\n\n\t\tthis.targetLine = new Line( geometry, material );\n\t\tthis.add( this.targetLine );\n\n\t\tthis.update();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.lightPlane.geometry.dispose();\n\t\tthis.lightPlane.material.dispose();\n\t\tthis.targetLine.geometry.dispose();\n\t\tthis.targetLine.material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tthis.light.updateWorldMatrix( true, false );\n\t\tthis.light.target.updateWorldMatrix( true, false );\n\n\t\t_v1.setFromMatrixPosition( this.light.matrixWorld );\n\t\t_v2.setFromMatrixPosition( this.light.target.matrixWorld );\n\t\t_v3.subVectors( _v2, _v1 );\n\n\t\tthis.lightPlane.lookAt( _v2 );\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.lightPlane.material.color.set( this.color );\n\t\t\tthis.targetLine.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.lightPlane.material.color.copy( this.light.color );\n\t\t\tthis.targetLine.material.color.copy( this.light.color );\n\n\t\t}\n\n\t\tthis.targetLine.lookAt( _v2 );\n\t\tthis.targetLine.scale.z = _v3.length();\n\n\t}\n\n}\n\nconst _vector = /*@__PURE__*/ new Vector3();\nconst _camera = /*@__PURE__*/ new Camera();\n\n/**\n *\t- shows frustum, line of sight and up of the camera\n *\t- suitable for fast updates\n * \t- based on frustum visualization in lightgl.js shadowmap example\n *\t\thttps://github.com/evanw/lightgl.js/blob/master/tests/shadowmap.html\n */\n\nclass CameraHelper extends LineSegments {\n\n\tconstructor( camera ) {\n\n\t\tconst geometry = new BufferGeometry();\n\t\tconst material = new LineBasicMaterial( { color: 0xffffff, vertexColors: true, toneMapped: false } );\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\tconst pointMap = {};\n\n\t\t// near\n\n\t\taddLine( 'n1', 'n2' );\n\t\taddLine( 'n2', 'n4' );\n\t\taddLine( 'n4', 'n3' );\n\t\taddLine( 'n3', 'n1' );\n\n\t\t// far\n\n\t\taddLine( 'f1', 'f2' );\n\t\taddLine( 'f2', 'f4' );\n\t\taddLine( 'f4', 'f3' );\n\t\taddLine( 'f3', 'f1' );\n\n\t\t// sides\n\n\t\taddLine( 'n1', 'f1' );\n\t\taddLine( 'n2', 'f2' );\n\t\taddLine( 'n3', 'f3' );\n\t\taddLine( 'n4', 'f4' );\n\n\t\t// cone\n\n\t\taddLine( 'p', 'n1' );\n\t\taddLine( 'p', 'n2' );\n\t\taddLine( 'p', 'n3' );\n\t\taddLine( 'p', 'n4' );\n\n\t\t// up\n\n\t\taddLine( 'u1', 'u2' );\n\t\taddLine( 'u2', 'u3' );\n\t\taddLine( 'u3', 'u1' );\n\n\t\t// target\n\n\t\taddLine( 'c', 't' );\n\t\taddLine( 'p', 'c' );\n\n\t\t// cross\n\n\t\taddLine( 'cn1', 'cn2' );\n\t\taddLine( 'cn3', 'cn4' );\n\n\t\taddLine( 'cf1', 'cf2' );\n\t\taddLine( 'cf3', 'cf4' );\n\n\t\tfunction addLine( a, b ) {\n\n\t\t\taddPoint( a );\n\t\t\taddPoint( b );\n\n\t\t}\n\n\t\tfunction addPoint( id ) {\n\n\t\t\tvertices.push( 0, 0, 0 );\n\t\t\tcolors.push( 0, 0, 0 );\n\n\t\t\tif ( pointMap[ id ] === undefined ) {\n\n\t\t\t\tpointMap[ id ] = [];\n\n\t\t\t}\n\n\t\t\tpointMap[ id ].push( ( vertices.length / 3 ) - 1 );\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'CameraHelper';\n\n\t\tthis.camera = camera;\n\t\tif ( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix();\n\n\t\tthis.matrix = camera.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.pointMap = pointMap;\n\n\t\tthis.update();\n\n\t\t// colors\n\n\t\tconst colorFrustum = new Color( 0xffaa00 );\n\t\tconst colorCone = new Color( 0xff0000 );\n\t\tconst colorUp = new Color( 0x00aaff );\n\t\tconst colorTarget = new Color( 0xffffff );\n\t\tconst colorCross = new Color( 0x333333 );\n\n\t\tthis.setColors( colorFrustum, colorCone, colorUp, colorTarget, colorCross );\n\n\t}\n\n\tsetColors( frustum, cone, up, target, cross ) {\n\n\t\tconst geometry = this.geometry;\n\n\t\tconst colorAttribute = geometry.getAttribute( 'color' );\n\n\t\t// near\n\n\t\tcolorAttribute.setXYZ( 0, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 1, frustum.r, frustum.g, frustum.b ); // n1, n2\n\t\tcolorAttribute.setXYZ( 2, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 3, frustum.r, frustum.g, frustum.b ); // n2, n4\n\t\tcolorAttribute.setXYZ( 4, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 5, frustum.r, frustum.g, frustum.b ); // n4, n3\n\t\tcolorAttribute.setXYZ( 6, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 7, frustum.r, frustum.g, frustum.b ); // n3, n1\n\n\t\t// far\n\n\t\tcolorAttribute.setXYZ( 8, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 9, frustum.r, frustum.g, frustum.b ); // f1, f2\n\t\tcolorAttribute.setXYZ( 10, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 11, frustum.r, frustum.g, frustum.b ); // f2, f4\n\t\tcolorAttribute.setXYZ( 12, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 13, frustum.r, frustum.g, frustum.b ); // f4, f3\n\t\tcolorAttribute.setXYZ( 14, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 15, frustum.r, frustum.g, frustum.b ); // f3, f1\n\n\t\t// sides\n\n\t\tcolorAttribute.setXYZ( 16, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 17, frustum.r, frustum.g, frustum.b ); // n1, f1\n\t\tcolorAttribute.setXYZ( 18, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 19, frustum.r, frustum.g, frustum.b ); // n2, f2\n\t\tcolorAttribute.setXYZ( 20, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 21, frustum.r, frustum.g, frustum.b ); // n3, f3\n\t\tcolorAttribute.setXYZ( 22, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 23, frustum.r, frustum.g, frustum.b ); // n4, f4\n\n\t\t// cone\n\n\t\tcolorAttribute.setXYZ( 24, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 25, cone.r, cone.g, cone.b ); // p, n1\n\t\tcolorAttribute.setXYZ( 26, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 27, cone.r, cone.g, cone.b ); // p, n2\n\t\tcolorAttribute.setXYZ( 28, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 29, cone.r, cone.g, cone.b ); // p, n3\n\t\tcolorAttribute.setXYZ( 30, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 31, cone.r, cone.g, cone.b ); // p, n4\n\n\t\t// up\n\n\t\tcolorAttribute.setXYZ( 32, up.r, up.g, up.b ); colorAttribute.setXYZ( 33, up.r, up.g, up.b ); // u1, u2\n\t\tcolorAttribute.setXYZ( 34, up.r, up.g, up.b ); colorAttribute.setXYZ( 35, up.r, up.g, up.b ); // u2, u3\n\t\tcolorAttribute.setXYZ( 36, up.r, up.g, up.b ); colorAttribute.setXYZ( 37, up.r, up.g, up.b ); // u3, u1\n\n\t\t// target\n\n\t\tcolorAttribute.setXYZ( 38, target.r, target.g, target.b ); colorAttribute.setXYZ( 39, target.r, target.g, target.b ); // c, t\n\t\tcolorAttribute.setXYZ( 40, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 41, cross.r, cross.g, cross.b ); // p, c\n\n\t\t// cross\n\n\t\tcolorAttribute.setXYZ( 42, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 43, cross.r, cross.g, cross.b ); // cn1, cn2\n\t\tcolorAttribute.setXYZ( 44, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 45, cross.r, cross.g, cross.b ); // cn3, cn4\n\n\t\tcolorAttribute.setXYZ( 46, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 47, cross.r, cross.g, cross.b ); // cf1, cf2\n\t\tcolorAttribute.setXYZ( 48, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 49, cross.r, cross.g, cross.b ); // cf3, cf4\n\n\t\tcolorAttribute.needsUpdate = true;\n\n\t}\n\n\tupdate() {\n\n\t\tconst geometry = this.geometry;\n\t\tconst pointMap = this.pointMap;\n\n\t\tconst w = 1, h = 1;\n\n\t\t// we need just camera projection matrix inverse\n\t\t// world matrix must be identity\n\n\t\t_camera.projectionMatrixInverse.copy( this.camera.projectionMatrixInverse );\n\n\t\t// Adjust z values based on coordinate system\n\t\tconst nearZ = this.camera.coordinateSystem === WebGLCoordinateSystem ? - 1 : 0;\n\n\t\t// center / target\n\t\tsetPoint( 'c', pointMap, geometry, _camera, 0, 0, nearZ );\n\t\tsetPoint( 't', pointMap, geometry, _camera, 0, 0, 1 );\n\n\t\t// near\n\n\t\tsetPoint( 'n1', pointMap, geometry, _camera, - w, - h, nearZ );\n\t\tsetPoint( 'n2', pointMap, geometry, _camera, w, - h, nearZ );\n\t\tsetPoint( 'n3', pointMap, geometry, _camera, - w, h, nearZ );\n\t\tsetPoint( 'n4', pointMap, geometry, _camera, w, h, nearZ );\n\n\t\t// far\n\n\t\tsetPoint( 'f1', pointMap, geometry, _camera, - w, - h, 1 );\n\t\tsetPoint( 'f2', pointMap, geometry, _camera, w, - h, 1 );\n\t\tsetPoint( 'f3', pointMap, geometry, _camera, - w, h, 1 );\n\t\tsetPoint( 'f4', pointMap, geometry, _camera, w, h, 1 );\n\n\t\t// up\n\n\t\tsetPoint( 'u1', pointMap, geometry, _camera, w * 0.7, h * 1.1, nearZ );\n\t\tsetPoint( 'u2', pointMap, geometry, _camera, - w * 0.7, h * 1.1, nearZ );\n\t\tsetPoint( 'u3', pointMap, geometry, _camera, 0, h * 2, nearZ );\n\n\t\t// cross\n\n\t\tsetPoint( 'cf1', pointMap, geometry, _camera, - w, 0, 1 );\n\t\tsetPoint( 'cf2', pointMap, geometry, _camera, w, 0, 1 );\n\t\tsetPoint( 'cf3', pointMap, geometry, _camera, 0, - h, 1 );\n\t\tsetPoint( 'cf4', pointMap, geometry, _camera, 0, h, 1 );\n\n\t\tsetPoint( 'cn1', pointMap, geometry, _camera, - w, 0, nearZ );\n\t\tsetPoint( 'cn2', pointMap, geometry, _camera, w, 0, nearZ );\n\t\tsetPoint( 'cn3', pointMap, geometry, _camera, 0, - h, nearZ );\n\t\tsetPoint( 'cn4', pointMap, geometry, _camera, 0, h, nearZ );\n\n\t\tgeometry.getAttribute( 'position' ).needsUpdate = true;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\n\nfunction setPoint( point, pointMap, geometry, camera, x, y, z ) {\n\n\t_vector.set( x, y, z ).unproject( camera );\n\n\tconst points = pointMap[ point ];\n\n\tif ( points !== undefined ) {\n\n\t\tconst position = geometry.getAttribute( 'position' );\n\n\t\tfor ( let i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\tposition.setXYZ( points[ i ], _vector.x, _vector.y, _vector.z );\n\n\t\t}\n\n\t}\n\n}\n\nconst _box = /*@__PURE__*/ new Box3();\n\nclass BoxHelper extends LineSegments {\n\n\tconstructor( object, color = 0xffff00 ) {\n\n\t\tconst indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\t\tconst positions = new Float32Array( 8 * 3 );\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tgeometry.setAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.object = object;\n\t\tthis.type = 'BoxHelper';\n\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\tupdate( object ) {\n\n\t\tif ( object !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.BoxHelper: .update() has no longer arguments.' );\n\n\t\t}\n\n\t\tif ( this.object !== undefined ) {\n\n\t\t\t_box.setFromObject( this.object );\n\n\t\t}\n\n\t\tif ( _box.isEmpty() ) return;\n\n\t\tconst min = _box.min;\n\t\tconst max = _box.max;\n\n\t\t/*\n\t\t\t5____4\n\t\t1/___0/|\n\t\t| 6__|_7\n\t\t2/___3/\n\n\t\t0: max.x, max.y, max.z\n\t\t1: min.x, max.y, max.z\n\t\t2: min.x, min.y, max.z\n\t\t3: max.x, min.y, max.z\n\t\t4: max.x, max.y, min.z\n\t\t5: min.x, max.y, min.z\n\t\t6: min.x, min.y, min.z\n\t\t7: max.x, min.y, min.z\n\t\t*/\n\n\t\tconst position = this.geometry.attributes.position;\n\t\tconst array = position.array;\n\n\t\tarray[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z;\n\t\tarray[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z;\n\t\tarray[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z;\n\t\tarray[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z;\n\t\tarray[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z;\n\t\tarray[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z;\n\t\tarray[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z;\n\t\tarray[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z;\n\n\t\tposition.needsUpdate = true;\n\n\t\tthis.geometry.computeBoundingSphere();\n\n\t}\n\n\tsetFromObject( object ) {\n\n\t\tthis.object = object;\n\t\tthis.update();\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.object = source.object;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\nclass Box3Helper extends LineSegments {\n\n\tconstructor( box, color = 0xffff00 ) {\n\n\t\tconst indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\n\t\tconst positions = [ 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, - 1, 1, 1, 1, - 1, - 1, 1, - 1, - 1, - 1, - 1, 1, - 1, - 1 ];\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.box = box;\n\n\t\tthis.type = 'Box3Helper';\n\n\t\tthis.geometry.computeBoundingSphere();\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tconst box = this.box;\n\n\t\tif ( box.isEmpty() ) return;\n\n\t\tbox.getCenter( this.position );\n\n\t\tbox.getSize( this.scale );\n\n\t\tthis.scale.multiplyScalar( 0.5 );\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\nclass PlaneHelper extends Line {\n\n\tconstructor( plane, size = 1, hex = 0xffff00 ) {\n\n\t\tconst color = hex;\n\n\t\tconst positions = [ 1, - 1, 0, - 1, 1, 0, - 1, - 1, 0, 1, 1, 0, - 1, 1, 0, - 1, - 1, 0, 1, - 1, 0, 1, 1, 0 ];\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\t\tgeometry.computeBoundingSphere();\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.type = 'PlaneHelper';\n\n\t\tthis.plane = plane;\n\n\t\tthis.size = size;\n\n\t\tconst positions2 = [ 1, 1, 0, - 1, 1, 0, - 1, - 1, 0, 1, 1, 0, - 1, - 1, 0, 1, - 1, 0 ];\n\n\t\tconst geometry2 = new BufferGeometry();\n\t\tgeometry2.setAttribute( 'position', new Float32BufferAttribute( positions2, 3 ) );\n\t\tgeometry2.computeBoundingSphere();\n\n\t\tthis.add( new Mesh( geometry2, new MeshBasicMaterial( { color: color, opacity: 0.2, transparent: true, depthWrite: false, toneMapped: false } ) ) );\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tthis.position.set( 0, 0, 0 );\n\n\t\tthis.scale.set( 0.5 * this.size, 0.5 * this.size, 1 );\n\n\t\tthis.lookAt( this.plane.normal );\n\n\t\tthis.translateZ( - this.plane.constant );\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\t\tthis.children[ 0 ].geometry.dispose();\n\t\tthis.children[ 0 ].material.dispose();\n\n\t}\n\n}\n\nconst _axis = /*@__PURE__*/ new Vector3();\nlet _lineGeometry, _coneGeometry;\n\nclass ArrowHelper extends Object3D {\n\n\t// dir is assumed to be normalized\n\n\tconstructor( dir = new Vector3( 0, 0, 1 ), origin = new Vector3( 0, 0, 0 ), length = 1, color = 0xffff00, headLength = length * 0.2, headWidth = headLength * 0.2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ArrowHelper';\n\n\t\tif ( _lineGeometry === undefined ) {\n\n\t\t\t_lineGeometry = new BufferGeometry();\n\t\t\t_lineGeometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) );\n\n\t\t\t_coneGeometry = new CylinderGeometry( 0, 0.5, 1, 5, 1 );\n\t\t\t_coneGeometry.translate( 0, - 0.5, 0 );\n\n\t\t}\n\n\t\tthis.position.copy( origin );\n\n\t\tthis.line = new Line( _lineGeometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\t\tthis.line.matrixAutoUpdate = false;\n\t\tthis.add( this.line );\n\n\t\tthis.cone = new Mesh( _coneGeometry, new MeshBasicMaterial( { color: color, toneMapped: false } ) );\n\t\tthis.cone.matrixAutoUpdate = false;\n\t\tthis.add( this.cone );\n\n\t\tthis.setDirection( dir );\n\t\tthis.setLength( length, headLength, headWidth );\n\n\t}\n\n\tsetDirection( dir ) {\n\n\t\t// dir is assumed to be normalized\n\n\t\tif ( dir.y > 0.99999 ) {\n\n\t\t\tthis.quaternion.set( 0, 0, 0, 1 );\n\n\t\t} else if ( dir.y < - 0.99999 ) {\n\n\t\t\tthis.quaternion.set( 1, 0, 0, 0 );\n\n\t\t} else {\n\n\t\t\t_axis.set( dir.z, 0, - dir.x ).normalize();\n\n\t\t\tconst radians = Math.acos( dir.y );\n\n\t\t\tthis.quaternion.setFromAxisAngle( _axis, radians );\n\n\t\t}\n\n\t}\n\n\tsetLength( length, headLength = length * 0.2, headWidth = headLength * 0.2 ) {\n\n\t\tthis.line.scale.set( 1, Math.max( 0.0001, length - headLength ), 1 ); // see #17458\n\t\tthis.line.updateMatrix();\n\n\t\tthis.cone.scale.set( headWidth, headLength, headWidth );\n\t\tthis.cone.position.y = length;\n\t\tthis.cone.updateMatrix();\n\n\t}\n\n\tsetColor( color ) {\n\n\t\tthis.line.material.color.set( color );\n\t\tthis.cone.material.color.set( color );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source, false );\n\n\t\tthis.line.copy( source.line );\n\t\tthis.cone.copy( source.cone );\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.line.geometry.dispose();\n\t\tthis.line.material.dispose();\n\t\tthis.cone.geometry.dispose();\n\t\tthis.cone.material.dispose();\n\n\t}\n\n}\n\nclass AxesHelper extends LineSegments {\n\n\tconstructor( size = 1 ) {\n\n\t\tconst vertices = [\n\t\t\t0, 0, 0,\tsize, 0, 0,\n\t\t\t0, 0, 0,\t0, size, 0,\n\t\t\t0, 0, 0,\t0, 0, size\n\t\t];\n\n\t\tconst colors = [\n\t\t\t1, 0, 0,\t1, 0.6, 0,\n\t\t\t0, 1, 0,\t0.6, 1, 0,\n\t\t\t0, 0, 1,\t0, 0.6, 1\n\t\t];\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'AxesHelper';\n\n\t}\n\n\tsetColors( xAxisColor, yAxisColor, zAxisColor ) {\n\n\t\tconst color = new Color();\n\t\tconst array = this.geometry.attributes.color.array;\n\n\t\tcolor.set( xAxisColor );\n\t\tcolor.toArray( array, 0 );\n\t\tcolor.toArray( array, 3 );\n\n\t\tcolor.set( yAxisColor );\n\t\tcolor.toArray( array, 6 );\n\t\tcolor.toArray( array, 9 );\n\n\t\tcolor.set( zAxisColor );\n\t\tcolor.toArray( array, 12 );\n\t\tcolor.toArray( array, 15 );\n\n\t\tthis.geometry.attributes.color.needsUpdate = true;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\nclass ShapePath {\n\n\tconstructor() {\n\n\t\tthis.type = 'ShapePath';\n\n\t\tthis.color = new Color();\n\n\t\tthis.subPaths = [];\n\t\tthis.currentPath = null;\n\n\t}\n\n\tmoveTo( x, y ) {\n\n\t\tthis.currentPath = new Path();\n\t\tthis.subPaths.push( this.currentPath );\n\t\tthis.currentPath.moveTo( x, y );\n\n\t\treturn this;\n\n\t}\n\n\tlineTo( x, y ) {\n\n\t\tthis.currentPath.lineTo( x, y );\n\n\t\treturn this;\n\n\t}\n\n\tquadraticCurveTo( aCPx, aCPy, aX, aY ) {\n\n\t\tthis.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tbezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\tthis.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tsplineThru( pts ) {\n\n\t\tthis.currentPath.splineThru( pts );\n\n\t\treturn this;\n\n\t}\n\n\ttoShapes( isCCW ) {\n\n\t\tfunction toShapesNoHoles( inSubpaths ) {\n\n\t\t\tconst shapes = [];\n\n\t\t\tfor ( let i = 0, l = inSubpaths.length; i < l; i ++ ) {\n\n\t\t\t\tconst tmpPath = inSubpaths[ i ];\n\n\t\t\t\tconst tmpShape = new Shape();\n\t\t\t\ttmpShape.curves = tmpPath.curves;\n\n\t\t\t\tshapes.push( tmpShape );\n\n\t\t\t}\n\n\t\t\treturn shapes;\n\n\t\t}\n\n\t\tfunction isPointInsidePolygon( inPt, inPolygon ) {\n\n\t\t\tconst polyLen = inPolygon.length;\n\n\t\t\t// inPt on polygon contour => immediate success or\n\t\t\t// toggling of inside/outside at every single! intersection point of an edge\n\t\t\t// with the horizontal line through inPt, left of inPt\n\t\t\t// not counting lowerY endpoints of edges and whole edges on that line\n\t\t\tlet inside = false;\n\t\t\tfor ( let p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) {\n\n\t\t\t\tlet edgeLowPt = inPolygon[ p ];\n\t\t\t\tlet edgeHighPt = inPolygon[ q ];\n\n\t\t\t\tlet edgeDx = edgeHighPt.x - edgeLowPt.x;\n\t\t\t\tlet edgeDy = edgeHighPt.y - edgeLowPt.y;\n\n\t\t\t\tif ( Math.abs( edgeDy ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not parallel\n\t\t\t\t\tif ( edgeDy < 0 ) {\n\n\t\t\t\t\t\tedgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx;\n\t\t\t\t\t\tedgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) \t\tcontinue;\n\n\t\t\t\t\tif ( inPt.y === edgeLowPt.y ) {\n\n\t\t\t\t\t\tif ( inPt.x === edgeLowPt.x )\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t// continue;\t\t\t\t// no intersection or edgeLowPt => doesn't count !!!\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y );\n\t\t\t\t\t\tif ( perpEdge === 0 )\t\t\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\tif ( perpEdge < 0 ) \t\t\t\tcontinue;\n\t\t\t\t\t\tinside = ! inside;\t\t// true intersection left of inPt\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// parallel or collinear\n\t\t\t\t\tif ( inPt.y !== edgeLowPt.y ) \t\tcontinue;\t\t\t// parallel\n\t\t\t\t\t// edge lies on the same horizontal line as inPt\n\t\t\t\t\tif ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) ||\n\t\t\t\t\t\t ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) )\t\treturn\ttrue;\t// inPt: Point on contour !\n\t\t\t\t\t// continue;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn\tinside;\n\n\t\t}\n\n\t\tconst isClockWise = ShapeUtils.isClockWise;\n\n\t\tconst subPaths = this.subPaths;\n\t\tif ( subPaths.length === 0 ) return [];\n\n\t\tlet solid, tmpPath, tmpShape;\n\t\tconst shapes = [];\n\n\t\tif ( subPaths.length === 1 ) {\n\n\t\t\ttmpPath = subPaths[ 0 ];\n\t\t\ttmpShape = new Shape();\n\t\t\ttmpShape.curves = tmpPath.curves;\n\t\t\tshapes.push( tmpShape );\n\t\t\treturn shapes;\n\n\t\t}\n\n\t\tlet holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() );\n\t\tholesFirst = isCCW ? ! holesFirst : holesFirst;\n\n\t\t// console.log(\"Holes first\", holesFirst);\n\n\t\tconst betterShapeHoles = [];\n\t\tconst newShapes = [];\n\t\tlet newShapeHoles = [];\n\t\tlet mainIdx = 0;\n\t\tlet tmpPoints;\n\n\t\tnewShapes[ mainIdx ] = undefined;\n\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\tfor ( let i = 0, l = subPaths.length; i < l; i ++ ) {\n\n\t\t\ttmpPath = subPaths[ i ];\n\t\t\ttmpPoints = tmpPath.getPoints();\n\t\t\tsolid = isClockWise( tmpPoints );\n\t\t\tsolid = isCCW ? ! solid : solid;\n\n\t\t\tif ( solid ) {\n\n\t\t\t\tif ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) )\tmainIdx ++;\n\n\t\t\t\tnewShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints };\n\t\t\t\tnewShapes[ mainIdx ].s.curves = tmpPath.curves;\n\n\t\t\t\tif ( holesFirst )\tmainIdx ++;\n\t\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\t\t//console.log('cw', i);\n\n\t\t\t} else {\n\n\t\t\t\tnewShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } );\n\n\t\t\t\t//console.log('ccw', i);\n\n\t\t\t}\n\n\t\t}\n\n\t\t// only Holes? -> probably all Shapes with wrong orientation\n\t\tif ( ! newShapes[ 0 ] )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\tif ( newShapes.length > 1 ) {\n\n\t\t\tlet ambiguous = false;\n\t\t\tlet toChange = 0;\n\n\t\t\tfor ( let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\tbetterShapeHoles[ sIdx ] = [];\n\n\t\t\t}\n\n\t\t\tfor ( let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\tconst sho = newShapeHoles[ sIdx ];\n\n\t\t\t\tfor ( let hIdx = 0; hIdx < sho.length; hIdx ++ ) {\n\n\t\t\t\t\tconst ho = sho[ hIdx ];\n\t\t\t\t\tlet hole_unassigned = true;\n\n\t\t\t\t\tfor ( let s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) {\n\n\t\t\t\t\t\tif ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) {\n\n\t\t\t\t\t\t\tif ( sIdx !== s2Idx )\ttoChange ++;\n\n\t\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\t\thole_unassigned = false;\n\t\t\t\t\t\t\t\tbetterShapeHoles[ s2Idx ].push( ho );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tambiguous = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\tbetterShapeHoles[ sIdx ].push( ho );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( toChange > 0 && ambiguous === false ) {\n\n\t\t\t\tnewShapeHoles = betterShapeHoles;\n\n\t\t\t}\n\n\t\t}\n\n\t\tlet tmpHoles;\n\n\t\tfor ( let i = 0, il = newShapes.length; i < il; i ++ ) {\n\n\t\t\ttmpShape = newShapes[ i ].s;\n\t\t\tshapes.push( tmpShape );\n\t\t\ttmpHoles = newShapeHoles[ i ];\n\n\t\t\tfor ( let j = 0, jl = tmpHoles.length; j < jl; j ++ ) {\n\n\t\t\t\ttmpShape.holes.push( tmpHoles[ j ].h );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//console.log(\"shape\", shapes);\n\n\t\treturn shapes;\n\n\t}\n\n}\n\nclass Controls extends EventDispatcher {\n\n\tconstructor( object, domElement = null ) {\n\n\t\tsuper();\n\n\t\tthis.object = object;\n\t\tthis.domElement = domElement;\n\n\t\tthis.enabled = true;\n\n\t\tthis.state = - 1;\n\n\t\tthis.keys = {};\n\t\tthis.mouseButtons = { LEFT: null, MIDDLE: null, RIGHT: null };\n\t\tthis.touches = { ONE: null, TWO: null };\n\n\t}\n\n\tconnect() {}\n\n\tdisconnect() {}\n\n\tdispose() {}\n\n\tupdate( /* delta */ ) {}\n\n}\n\nfunction contain( texture, aspect ) {\n\n\tconst imageAspect = ( texture.image && texture.image.width ) ? texture.image.width / texture.image.height : 1;\n\n\tif ( imageAspect > aspect ) {\n\n\t\ttexture.repeat.x = 1;\n\t\ttexture.repeat.y = imageAspect / aspect;\n\n\t\ttexture.offset.x = 0;\n\t\ttexture.offset.y = ( 1 - texture.repeat.y ) / 2;\n\n\t} else {\n\n\t\ttexture.repeat.x = aspect / imageAspect;\n\t\ttexture.repeat.y = 1;\n\n\t\ttexture.offset.x = ( 1 - texture.repeat.x ) / 2;\n\t\ttexture.offset.y = 0;\n\n\t}\n\n\treturn texture;\n\n}\n\nfunction cover( texture, aspect ) {\n\n\tconst imageAspect = ( texture.image && texture.image.width ) ? texture.image.width / texture.image.height : 1;\n\n\tif ( imageAspect > aspect ) {\n\n\t\ttexture.repeat.x = aspect / imageAspect;\n\t\ttexture.repeat.y = 1;\n\n\t\ttexture.offset.x = ( 1 - texture.repeat.x ) / 2;\n\t\ttexture.offset.y = 0;\n\n\t} else {\n\n\t\ttexture.repeat.x = 1;\n\t\ttexture.repeat.y = imageAspect / aspect;\n\n\t\ttexture.offset.x = 0;\n\t\ttexture.offset.y = ( 1 - texture.repeat.y ) / 2;\n\n\t}\n\n\treturn texture;\n\n}\n\nfunction fill( texture ) {\n\n\ttexture.repeat.x = 1;\n\ttexture.repeat.y = 1;\n\n\ttexture.offset.x = 0;\n\ttexture.offset.y = 0;\n\n\treturn texture;\n\n}\n\n\n\n/**\n * Given the width, height, format, and type of a texture. Determines how many\n * bytes must be used to represent the texture.\n *\n * @param {Number} width\n * @param {Number} height\n * @param {Number} format\n * @param {Number} type\n * @return {Number} The number of bytes required to represent the texture.\n */\nfunction getByteLength( width, height, format, type ) {\n\n\tconst typeByteLength = getTextureTypeByteLength( type );\n\n\tswitch ( format ) {\n\n\t\t// https://registry.khronos.org/OpenGL-Refpages/es3.0/html/glTexImage2D.xhtml\n\t\tcase AlphaFormat:\n\t\t\treturn width * height;\n\t\tcase LuminanceFormat:\n\t\t\treturn width * height;\n\t\tcase LuminanceAlphaFormat:\n\t\t\treturn width * height * 2;\n\t\tcase RedFormat:\n\t\t\treturn ( ( width * height ) / typeByteLength.components ) * typeByteLength.byteLength;\n\t\tcase RedIntegerFormat:\n\t\t\treturn ( ( width * height ) / typeByteLength.components ) * typeByteLength.byteLength;\n\t\tcase RGFormat:\n\t\t\treturn ( ( width * height * 2 ) / typeByteLength.components ) * typeByteLength.byteLength;\n\t\tcase RGIntegerFormat:\n\t\t\treturn ( ( width * height * 2 ) / typeByteLength.components ) * typeByteLength.byteLength;\n\t\tcase RGBFormat:\n\t\t\treturn ( ( width * height * 3 ) / typeByteLength.components ) * typeByteLength.byteLength;\n\t\tcase RGBAFormat:\n\t\t\treturn ( ( width * height * 4 ) / typeByteLength.components ) * typeByteLength.byteLength;\n\t\tcase RGBAIntegerFormat:\n\t\t\treturn ( ( width * height * 4 ) / typeByteLength.components ) * typeByteLength.byteLength;\n\n\t\t// https://registry.khronos.org/webgl/extensions/WEBGL_compressed_texture_s3tc_srgb/\n\t\tcase RGB_S3TC_DXT1_Format:\n\t\tcase RGBA_S3TC_DXT1_Format:\n\t\t\treturn Math.floor( ( width + 3 ) / 4 ) * Math.floor( ( height + 3 ) / 4 ) * 8;\n\t\tcase RGBA_S3TC_DXT3_Format:\n\t\tcase RGBA_S3TC_DXT5_Format:\n\t\t\treturn Math.floor( ( width + 3 ) / 4 ) * Math.floor( ( height + 3 ) / 4 ) * 16;\n\n\t\t// https://registry.khronos.org/webgl/extensions/WEBGL_compressed_texture_pvrtc/\n\t\tcase RGB_PVRTC_2BPPV1_Format:\n\t\tcase RGBA_PVRTC_2BPPV1_Format:\n\t\t\treturn ( Math.max( width, 16 ) * Math.max( height, 8 ) ) / 4;\n\t\tcase RGB_PVRTC_4BPPV1_Format:\n\t\tcase RGBA_PVRTC_4BPPV1_Format:\n\t\t\treturn ( Math.max( width, 8 ) * Math.max( height, 8 ) ) / 2;\n\n\t\t// https://registry.khronos.org/webgl/extensions/WEBGL_compressed_texture_etc/\n\t\tcase RGB_ETC1_Format:\n\t\tcase RGB_ETC2_Format:\n\t\t\treturn Math.floor( ( width + 3 ) / 4 ) * Math.floor( ( height + 3 ) / 4 ) * 8;\n\t\tcase RGBA_ETC2_EAC_Format:\n\t\t\treturn Math.floor( ( width + 3 ) / 4 ) * Math.floor( ( height + 3 ) / 4 ) * 16;\n\n\t\t// https://registry.khronos.org/webgl/extensions/WEBGL_compressed_texture_astc/\n\t\tcase RGBA_ASTC_4x4_Format:\n\t\t\treturn Math.floor( ( width + 3 ) / 4 ) * Math.floor( ( height + 3 ) / 4 ) * 16;\n\t\tcase RGBA_ASTC_5x4_Format:\n\t\t\treturn Math.floor( ( width + 4 ) / 5 ) * Math.floor( ( height + 3 ) / 4 ) * 16;\n\t\tcase RGBA_ASTC_5x5_Format:\n\t\t\treturn Math.floor( ( width + 4 ) / 5 ) * Math.floor( ( height + 4 ) / 5 ) * 16;\n\t\tcase RGBA_ASTC_6x5_Format:\n\t\t\treturn Math.floor( ( width + 5 ) / 6 ) * Math.floor( ( height + 4 ) / 5 ) * 16;\n\t\tcase RGBA_ASTC_6x6_Format:\n\t\t\treturn Math.floor( ( width + 5 ) / 6 ) * Math.floor( ( height + 5 ) / 6 ) * 16;\n\t\tcase RGBA_ASTC_8x5_Format:\n\t\t\treturn Math.floor( ( width + 7 ) / 8 ) * Math.floor( ( height + 4 ) / 5 ) * 16;\n\t\tcase RGBA_ASTC_8x6_Format:\n\t\t\treturn Math.floor( ( width + 7 ) / 8 ) * Math.floor( ( height + 5 ) / 6 ) * 16;\n\t\tcase RGBA_ASTC_8x8_Format:\n\t\t\treturn Math.floor( ( width + 7 ) / 8 ) * Math.floor( ( height + 7 ) / 8 ) * 16;\n\t\tcase RGBA_ASTC_10x5_Format:\n\t\t\treturn Math.floor( ( width + 9 ) / 10 ) * Math.floor( ( height + 4 ) / 5 ) * 16;\n\t\tcase RGBA_ASTC_10x6_Format:\n\t\t\treturn Math.floor( ( width + 9 ) / 10 ) * Math.floor( ( height + 5 ) / 6 ) * 16;\n\t\tcase RGBA_ASTC_10x8_Format:\n\t\t\treturn Math.floor( ( width + 9 ) / 10 ) * Math.floor( ( height + 7 ) / 8 ) * 16;\n\t\tcase RGBA_ASTC_10x10_Format:\n\t\t\treturn Math.floor( ( width + 9 ) / 10 ) * Math.floor( ( height + 9 ) / 10 ) * 16;\n\t\tcase RGBA_ASTC_12x10_Format:\n\t\t\treturn Math.floor( ( width + 11 ) / 12 ) * Math.floor( ( height + 9 ) / 10 ) * 16;\n\t\tcase RGBA_ASTC_12x12_Format:\n\t\t\treturn Math.floor( ( width + 11 ) / 12 ) * Math.floor( ( height + 11 ) / 12 ) * 16;\n\n\t\t// https://registry.khronos.org/webgl/extensions/EXT_texture_compression_bptc/\n\t\tcase RGBA_BPTC_Format:\n\t\tcase RGB_BPTC_SIGNED_Format:\n\t\tcase RGB_BPTC_UNSIGNED_Format:\n\t\t\treturn Math.ceil( width / 4 ) * Math.ceil( height / 4 ) * 16;\n\n\t\t// https://registry.khronos.org/webgl/extensions/EXT_texture_compression_rgtc/\n\t\tcase RED_RGTC1_Format:\n\t\tcase SIGNED_RED_RGTC1_Format:\n\t\t\treturn Math.ceil( width / 4 ) * Math.ceil( height / 4 ) * 8;\n\t\tcase RED_GREEN_RGTC2_Format:\n\t\tcase SIGNED_RED_GREEN_RGTC2_Format:\n\t\t\treturn Math.ceil( width / 4 ) * Math.ceil( height / 4 ) * 16;\n\n\t}\n\n\tthrow new Error(\n\t\t`Unable to determine texture byte length for ${format} format.`,\n\t);\n\n}\n\nfunction getTextureTypeByteLength( type ) {\n\n\tswitch ( type ) {\n\n\t\tcase UnsignedByteType:\n\t\tcase ByteType:\n\t\t\treturn { byteLength: 1, components: 1 };\n\t\tcase UnsignedShortType:\n\t\tcase ShortType:\n\t\tcase HalfFloatType:\n\t\t\treturn { byteLength: 2, components: 1 };\n\t\tcase UnsignedShort4444Type:\n\t\tcase UnsignedShort5551Type:\n\t\t\treturn { byteLength: 2, components: 4 };\n\t\tcase UnsignedIntType:\n\t\tcase IntType:\n\t\tcase FloatType:\n\t\t\treturn { byteLength: 4, components: 1 };\n\t\tcase UnsignedInt5999Type:\n\t\t\treturn { byteLength: 4, components: 3 };\n\n\t}\n\n\tthrow new Error( `Unknown texture type ${type}.` );\n\n}\n\nconst TextureUtils = {\n\tcontain,\n\tcover,\n\tfill,\n\tgetByteLength\n};\n\nif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'register', { detail: {\n\t\trevision: REVISION,\n\t} } ) );\n\n}\n\nif ( typeof window !== 'undefined' ) {\n\n\tif ( window.__THREE__ ) {\n\n\t\tconsole.warn( 'WARNING: Multiple instances of Three.js being imported.' );\n\n\t} else {\n\n\t\twindow.__THREE__ = REVISION;\n\n\t}\n\n}\n\nexport { ACESFilmicToneMapping, AddEquation, AddOperation, AdditiveAnimationBlendMode, AdditiveBlending, AgXToneMapping, AlphaFormat, AlwaysCompare, AlwaysDepth, AlwaysStencilFunc, AmbientLight, AnimationAction, AnimationClip, AnimationLoader, AnimationMixer, AnimationObjectGroup, AnimationUtils, ArcCurve, ArrayCamera, ArrowHelper, AttachedBindMode, Audio, AudioAnalyser, AudioContext, AudioListener, AudioLoader, AxesHelper, BackSide, BasicDepthPacking, BasicShadowMap, BatchedMesh, Bone, BooleanKeyframeTrack, Box2, Box3, Box3Helper, BoxGeometry, BoxHelper, BufferAttribute, BufferGeometry, BufferGeometryLoader, ByteType, Cache, Camera, CameraHelper, CanvasTexture, CapsuleGeometry, CatmullRomCurve3, CineonToneMapping, CircleGeometry, ClampToEdgeWrapping, Clock, Color, ColorKeyframeTrack, ColorManagement, CompressedArrayTexture, CompressedCubeTexture, CompressedTexture, CompressedTextureLoader, ConeGeometry, ConstantAlphaFactor, ConstantColorFactor, Controls, CubeCamera, CubeReflectionMapping, CubeRefractionMapping, CubeTexture, CubeTextureLoader, CubeUVReflectionMapping, CubicBezierCurve, CubicBezierCurve3, CubicInterpolant, CullFaceBack, CullFaceFront, CullFaceFrontBack, CullFaceNone, Curve, CurvePath, CustomBlending, CustomToneMapping, CylinderGeometry, Cylindrical, Data3DTexture, DataArrayTexture, DataTexture, DataTextureLoader, DataUtils, DecrementStencilOp, DecrementWrapStencilOp, DefaultLoadingManager, DepthFormat, DepthStencilFormat, DepthTexture, DetachedBindMode, DirectionalLight, DirectionalLightHelper, DiscreteInterpolant, DodecahedronGeometry, DoubleSide, DstAlphaFactor, DstColorFactor, DynamicCopyUsage, DynamicDrawUsage, DynamicReadUsage, EdgesGeometry, EllipseCurve, EqualCompare, EqualDepth, EqualStencilFunc, EquirectangularReflectionMapping, EquirectangularRefractionMapping, Euler, EventDispatcher, ExtrudeGeometry, FileLoader, Float16BufferAttribute, Float32BufferAttribute, FloatType, Fog, FogExp2, FramebufferTexture, FrontSide, Frustum, GLBufferAttribute, GLSL1, GLSL3, GreaterCompare, GreaterDepth, GreaterEqualCompare, GreaterEqualDepth, GreaterEqualStencilFunc, GreaterStencilFunc, GridHelper, Group, HalfFloatType, HemisphereLight, HemisphereLightHelper, IcosahedronGeometry, ImageBitmapLoader, ImageLoader, ImageUtils, IncrementStencilOp, IncrementWrapStencilOp, InstancedBufferAttribute, InstancedBufferGeometry, InstancedInterleavedBuffer, InstancedMesh, Int16BufferAttribute, Int32BufferAttribute, Int8BufferAttribute, IntType, InterleavedBuffer, InterleavedBufferAttribute, Interpolant, InterpolateDiscrete, InterpolateLinear, InterpolateSmooth, InvertStencilOp, KeepStencilOp, KeyframeTrack, LOD, LatheGeometry, Layers, LessCompare, LessDepth, LessEqualCompare, LessEqualDepth, LessEqualStencilFunc, LessStencilFunc, Light, LightProbe, Line, Line3, LineBasicMaterial, LineCurve, LineCurve3, LineDashedMaterial, LineLoop, LineSegments, LinearFilter, LinearInterpolant, LinearMipMapLinearFilter, LinearMipMapNearestFilter, LinearMipmapLinearFilter, LinearMipmapNearestFilter, LinearSRGBColorSpace, LinearToneMapping, LinearTransfer, Loader, LoaderUtils, LoadingManager, LoopOnce, LoopPingPong, LoopRepeat, LuminanceAlphaFormat, LuminanceFormat, MOUSE, Material, MaterialLoader, MathUtils, Matrix2, Matrix3, Matrix4, MaxEquation, Mesh, MeshBasicMaterial, MeshDepthMaterial, MeshDistanceMaterial, MeshLambertMaterial, MeshMatcapMaterial, MeshNormalMaterial, MeshPhongMaterial, MeshPhysicalMaterial, MeshStandardMaterial, MeshToonMaterial, MinEquation, MirroredRepeatWrapping, MixOperation, MultiplyBlending, MultiplyOperation, NearestFilter, NearestMipMapLinearFilter, NearestMipMapNearestFilter, NearestMipmapLinearFilter, NearestMipmapNearestFilter, NeutralToneMapping, NeverCompare, NeverDepth, NeverStencilFunc, NoBlending, NoColorSpace, NoToneMapping, NormalAnimationBlendMode, NormalBlending, NotEqualCompare, NotEqualDepth, NotEqualStencilFunc, NumberKeyframeTrack, Object3D, ObjectLoader, ObjectSpaceNormalMap, OctahedronGeometry, OneFactor, OneMinusConstantAlphaFactor, OneMinusConstantColorFactor, OneMinusDstAlphaFactor, OneMinusDstColorFactor, OneMinusSrcAlphaFactor, OneMinusSrcColorFactor, OrthographicCamera, PCFShadowMap, PCFSoftShadowMap, Path, PerspectiveCamera, Plane, PlaneGeometry, PlaneHelper, PointLight, PointLightHelper, Points, PointsMaterial, PolarGridHelper, PolyhedronGeometry, PositionalAudio, PropertyBinding, PropertyMixer, QuadraticBezierCurve, QuadraticBezierCurve3, Quaternion, QuaternionKeyframeTrack, QuaternionLinearInterpolant, RAD2DEG, RED_GREEN_RGTC2_Format, RED_RGTC1_Format, REVISION, RGBADepthPacking, RGBAFormat, RGBAIntegerFormat, RGBA_ASTC_10x10_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_BPTC_Format, RGBA_ETC2_EAC_Format, RGBA_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGBDepthPacking, RGBFormat, RGBIntegerFormat, RGB_BPTC_SIGNED_Format, RGB_BPTC_UNSIGNED_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGB_PVRTC_2BPPV1_Format, RGB_PVRTC_4BPPV1_Format, RGB_S3TC_DXT1_Format, RGDepthPacking, RGFormat, RGIntegerFormat, RawShaderMaterial, Ray, Raycaster, RectAreaLight, RedFormat, RedIntegerFormat, ReinhardToneMapping, RenderTarget, RenderTarget3D, RenderTargetArray, RepeatWrapping, ReplaceStencilOp, ReverseSubtractEquation, RingGeometry, SIGNED_RED_GREEN_RGTC2_Format, SIGNED_RED_RGTC1_Format, SRGBColorSpace, SRGBTransfer, Scene, ShaderMaterial, ShadowMaterial, Shape, ShapeGeometry, ShapePath, ShapeUtils, ShortType, Skeleton, SkeletonHelper, SkinnedMesh, Source, Sphere, SphereGeometry, Spherical, SphericalHarmonics3, SplineCurve, SpotLight, SpotLightHelper, Sprite, SpriteMaterial, SrcAlphaFactor, SrcAlphaSaturateFactor, SrcColorFactor, StaticCopyUsage, StaticDrawUsage, StaticReadUsage, StereoCamera, StreamCopyUsage, StreamDrawUsage, StreamReadUsage, StringKeyframeTrack, SubtractEquation, SubtractiveBlending, TOUCH, TangentSpaceNormalMap, TetrahedronGeometry, Texture, TextureLoader, TextureUtils, TimestampQuery, TorusGeometry, TorusKnotGeometry, Triangle, TriangleFanDrawMode, TriangleStripDrawMode, TrianglesDrawMode, TubeGeometry, UVMapping, Uint16BufferAttribute, Uint32BufferAttribute, Uint8BufferAttribute, Uint8ClampedBufferAttribute, Uniform, UniformsGroup, UniformsUtils, UnsignedByteType, UnsignedInt248Type, UnsignedInt5999Type, UnsignedIntType, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedShortType, VSMShadowMap, Vector2, Vector3, Vector4, VectorKeyframeTrack, VideoFrameTexture, VideoTexture, WebGL3DRenderTarget, WebGLArrayRenderTarget, WebGLCoordinateSystem, WebGLCubeRenderTarget, WebGLRenderTarget, WebGPUCoordinateSystem, WebXRController, WireframeGeometry, WrapAroundEnding, ZeroCurvatureEnding, ZeroFactor, ZeroSlopeEnding, ZeroStencilOp, arrayNeedsUint32, cloneUniforms, createCanvasElement, createElementNS, getByteLength, getUnlitUniformColorSpace, mergeUniforms, probeAsync, toNormalizedProjectionMatrix, toReversedProjectionMatrix, warnOnce };\n", "import {\n\tControls,\n\tMOUSE,\n\tQuaternion,\n\tSpherical,\n\tTOUCH,\n\tVector2,\n\tVector3,\n\tPlane,\n\tRay,\n\tMathUtils\n} from 'three';\n\n// OrbitControls performs orbiting, dollying (zooming), and panning.\n// Unlike TrackballControls, it maintains the \"up\" direction object.up (+Y by default).\n//\n// Orbit - left mouse / touch: one-finger move\n// Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish\n// Pan - right mouse, or left mouse + ctrl/meta/shiftKey, or arrow keys / touch: two-finger move\n\nconst _changeEvent = { type: 'change' };\nconst _startEvent = { type: 'start' };\nconst _endEvent = { type: 'end' };\nconst _ray = new Ray();\nconst _plane = new Plane();\nconst _TILT_LIMIT = Math.cos( 70 * MathUtils.DEG2RAD );\n\nconst _v = new Vector3();\nconst _twoPI = 2 * Math.PI;\n\nconst _STATE = {\n\tNONE: - 1,\n\tROTATE: 0,\n\tDOLLY: 1,\n\tPAN: 2,\n\tTOUCH_ROTATE: 3,\n\tTOUCH_PAN: 4,\n\tTOUCH_DOLLY_PAN: 5,\n\tTOUCH_DOLLY_ROTATE: 6\n};\nconst _EPS = 0.000001;\n\nclass OrbitControls extends Controls {\n\n\tconstructor( object, domElement = null ) {\n\n\t\tsuper( object, domElement );\n\n\t\tthis.state = _STATE.NONE;\n\n\t\t// Set to false to disable this control\n\t\tthis.enabled = true;\n\n\t\t// \"target\" sets the location of focus, where the object orbits around\n\t\tthis.target = new Vector3();\n\n\t\t// Sets the 3D cursor (similar to Blender), from which the maxTargetRadius takes effect\n\t\tthis.cursor = new Vector3();\n\n\t\t// How far you can dolly in and out ( PerspectiveCamera only )\n\t\tthis.minDistance = 0;\n\t\tthis.maxDistance = Infinity;\n\n\t\t// How far you can zoom in and out ( OrthographicCamera only )\n\t\tthis.minZoom = 0;\n\t\tthis.maxZoom = Infinity;\n\n\t\t// Limit camera target within a spherical area around the cursor\n\t\tthis.minTargetRadius = 0;\n\t\tthis.maxTargetRadius = Infinity;\n\n\t\t// How far you can orbit vertically, upper and lower limits.\n\t\t// Range is 0 to Math.PI radians.\n\t\tthis.minPolarAngle = 0; // radians\n\t\tthis.maxPolarAngle = Math.PI; // radians\n\n\t\t// How far you can orbit horizontally, upper and lower limits.\n\t\t// If set, the interval [ min, max ] must be a sub-interval of [ - 2 PI, 2 PI ], with ( max - min < 2 PI )\n\t\tthis.minAzimuthAngle = - Infinity; // radians\n\t\tthis.maxAzimuthAngle = Infinity; // radians\n\n\t\t// Set to true to enable damping (inertia)\n\t\t// If damping is enabled, you must call controls.update() in your animation loop\n\t\tthis.enableDamping = false;\n\t\tthis.dampingFactor = 0.05;\n\n\t\t// This option actually enables dollying in and out; left as \"zoom\" for backwards compatibility.\n\t\t// Set to false to disable zooming\n\t\tthis.enableZoom = true;\n\t\tthis.zoomSpeed = 1.0;\n\n\t\t// Set to false to disable rotating\n\t\tthis.enableRotate = true;\n\t\tthis.rotateSpeed = 1.0;\n\t\tthis.keyRotateSpeed = 1.0;\n\n\t\t// Set to false to disable panning\n\t\tthis.enablePan = true;\n\t\tthis.panSpeed = 1.0;\n\t\tthis.screenSpacePanning = true; // if false, pan orthogonal to world-space direction camera.up\n\t\tthis.keyPanSpeed = 7.0;\t// pixels moved per arrow key push\n\t\tthis.zoomToCursor = false;\n\n\t\t// Set to true to automatically rotate around the target\n\t\t// If auto-rotate is enabled, you must call controls.update() in your animation loop\n\t\tthis.autoRotate = false;\n\t\tthis.autoRotateSpeed = 2.0; // 30 seconds per orbit when fps is 60\n\n\t\t// The four arrow keys\n\t\tthis.keys = { LEFT: 'ArrowLeft', UP: 'ArrowUp', RIGHT: 'ArrowRight', BOTTOM: 'ArrowDown' };\n\n\t\t// Mouse buttons\n\t\tthis.mouseButtons = { LEFT: MOUSE.ROTATE, MIDDLE: MOUSE.DOLLY, RIGHT: MOUSE.PAN };\n\n\t\t// Touch fingers\n\t\tthis.touches = { ONE: TOUCH.ROTATE, TWO: TOUCH.DOLLY_PAN };\n\n\t\t// for reset\n\t\tthis.target0 = this.target.clone();\n\t\tthis.position0 = this.object.position.clone();\n\t\tthis.zoom0 = this.object.zoom;\n\n\t\t// the target DOM element for key events\n\t\tthis._domElementKeyEvents = null;\n\n\t\t// internals\n\n\t\tthis._lastPosition = new Vector3();\n\t\tthis._lastQuaternion = new Quaternion();\n\t\tthis._lastTargetPosition = new Vector3();\n\n\t\t// so camera.up is the orbit axis\n\t\tthis._quat = new Quaternion().setFromUnitVectors( object.up, new Vector3( 0, 1, 0 ) );\n\t\tthis._quatInverse = this._quat.clone().invert();\n\n\t\t// current position in spherical coordinates\n\t\tthis._spherical = new Spherical();\n\t\tthis._sphericalDelta = new Spherical();\n\n\t\tthis._scale = 1;\n\t\tthis._panOffset = new Vector3();\n\n\t\tthis._rotateStart = new Vector2();\n\t\tthis._rotateEnd = new Vector2();\n\t\tthis._rotateDelta = new Vector2();\n\n\t\tthis._panStart = new Vector2();\n\t\tthis._panEnd = new Vector2();\n\t\tthis._panDelta = new Vector2();\n\n\t\tthis._dollyStart = new Vector2();\n\t\tthis._dollyEnd = new Vector2();\n\t\tthis._dollyDelta = new Vector2();\n\n\t\tthis._dollyDirection = new Vector3();\n\t\tthis._mouse = new Vector2();\n\t\tthis._performCursorZoom = false;\n\n\t\tthis._pointers = [];\n\t\tthis._pointerPositions = {};\n\n\t\tthis._controlActive = false;\n\n\t\t// event listeners\n\n\t\tthis._onPointerMove = onPointerMove.bind( this );\n\t\tthis._onPointerDown = onPointerDown.bind( this );\n\t\tthis._onPointerUp = onPointerUp.bind( this );\n\t\tthis._onContextMenu = onContextMenu.bind( this );\n\t\tthis._onMouseWheel = onMouseWheel.bind( this );\n\t\tthis._onKeyDown = onKeyDown.bind( this );\n\n\t\tthis._onTouchStart = onTouchStart.bind( this );\n\t\tthis._onTouchMove = onTouchMove.bind( this );\n\n\t\tthis._onMouseDown = onMouseDown.bind( this );\n\t\tthis._onMouseMove = onMouseMove.bind( this );\n\n\t\tthis._interceptControlDown = interceptControlDown.bind( this );\n\t\tthis._interceptControlUp = interceptControlUp.bind( this );\n\n\t\t//\n\n\t\tif ( this.domElement !== null ) {\n\n\t\t\tthis.connect();\n\n\t\t}\n\n\t\tthis.update();\n\n\t}\n\n\tconnect() {\n\n\t\tthis.domElement.addEventListener( 'pointerdown', this._onPointerDown );\n\t\tthis.domElement.addEventListener( 'pointercancel', this._onPointerUp );\n\n\t\tthis.domElement.addEventListener( 'contextmenu', this._onContextMenu );\n\t\tthis.domElement.addEventListener( 'wheel', this._onMouseWheel, { passive: false } );\n\n\t\tconst document = this.domElement.getRootNode(); // offscreen canvas compatibility\n\t\tdocument.addEventListener( 'keydown', this._interceptControlDown, { passive: true, capture: true } );\n\n\t\tthis.domElement.style.touchAction = 'none'; // disable touch scroll\n\n\t}\n\n\tdisconnect() {\n\n\t\tthis.domElement.removeEventListener( 'pointerdown', this._onPointerDown );\n\t\tthis.domElement.removeEventListener( 'pointermove', this._onPointerMove );\n\t\tthis.domElement.removeEventListener( 'pointerup', this._onPointerUp );\n\t\tthis.domElement.removeEventListener( 'pointercancel', this._onPointerUp );\n\n\t\tthis.domElement.removeEventListener( 'wheel', this._onMouseWheel );\n\t\tthis.domElement.removeEventListener( 'contextmenu', this._onContextMenu );\n\n\t\tthis.stopListenToKeyEvents();\n\n\t\tconst document = this.domElement.getRootNode(); // offscreen canvas compatibility\n\t\tdocument.removeEventListener( 'keydown', this._interceptControlDown, { capture: true } );\n\n\t\tthis.domElement.style.touchAction = 'auto';\n\n\t}\n\n\tdispose() {\n\n\t\tthis.disconnect();\n\n\t}\n\n\tgetPolarAngle() {\n\n\t\treturn this._spherical.phi;\n\n\t}\n\n\tgetAzimuthalAngle() {\n\n\t\treturn this._spherical.theta;\n\n\t}\n\n\tgetDistance() {\n\n\t\treturn this.object.position.distanceTo( this.target );\n\n\t}\n\n\tlistenToKeyEvents( domElement ) {\n\n\t\tdomElement.addEventListener( 'keydown', this._onKeyDown );\n\t\tthis._domElementKeyEvents = domElement;\n\n\t}\n\n\tstopListenToKeyEvents() {\n\n\t\tif ( this._domElementKeyEvents !== null ) {\n\n\t\t\tthis._domElementKeyEvents.removeEventListener( 'keydown', this._onKeyDown );\n\t\t\tthis._domElementKeyEvents = null;\n\n\t\t}\n\n\t}\n\n\tsaveState() {\n\n\t\tthis.target0.copy( this.target );\n\t\tthis.position0.copy( this.object.position );\n\t\tthis.zoom0 = this.object.zoom;\n\n\t}\n\n\treset() {\n\n\t\tthis.target.copy( this.target0 );\n\t\tthis.object.position.copy( this.position0 );\n\t\tthis.object.zoom = this.zoom0;\n\n\t\tthis.object.updateProjectionMatrix();\n\t\tthis.dispatchEvent( _changeEvent );\n\n\t\tthis.update();\n\n\t\tthis.state = _STATE.NONE;\n\n\t}\n\n\tupdate( deltaTime = null ) {\n\n\t\tconst position = this.object.position;\n\n\t\t_v.copy( position ).sub( this.target );\n\n\t\t// rotate offset to \"y-axis-is-up\" space\n\t\t_v.applyQuaternion( this._quat );\n\n\t\t// angle from z-axis around y-axis\n\t\tthis._spherical.setFromVector3( _v );\n\n\t\tif ( this.autoRotate && this.state === _STATE.NONE ) {\n\n\t\t\tthis._rotateLeft( this._getAutoRotationAngle( deltaTime ) );\n\n\t\t}\n\n\t\tif ( this.enableDamping ) {\n\n\t\t\tthis._spherical.theta += this._sphericalDelta.theta * this.dampingFactor;\n\t\t\tthis._spherical.phi += this._sphericalDelta.phi * this.dampingFactor;\n\n\t\t} else {\n\n\t\t\tthis._spherical.theta += this._sphericalDelta.theta;\n\t\t\tthis._spherical.phi += this._sphericalDelta.phi;\n\n\t\t}\n\n\t\t// restrict theta to be between desired limits\n\n\t\tlet min = this.minAzimuthAngle;\n\t\tlet max = this.maxAzimuthAngle;\n\n\t\tif ( isFinite( min ) && isFinite( max ) ) {\n\n\t\t\tif ( min < - Math.PI ) min += _twoPI; else if ( min > Math.PI ) min -= _twoPI;\n\n\t\t\tif ( max < - Math.PI ) max += _twoPI; else if ( max > Math.PI ) max -= _twoPI;\n\n\t\t\tif ( min <= max ) {\n\n\t\t\t\tthis._spherical.theta = Math.max( min, Math.min( max, this._spherical.theta ) );\n\n\t\t\t} else {\n\n\t\t\t\tthis._spherical.theta = ( this._spherical.theta > ( min + max ) / 2 ) ?\n\t\t\t\t\tMath.max( min, this._spherical.theta ) :\n\t\t\t\t\tMath.min( max, this._spherical.theta );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// restrict phi to be between desired limits\n\t\tthis._spherical.phi = Math.max( this.minPolarAngle, Math.min( this.maxPolarAngle, this._spherical.phi ) );\n\n\t\tthis._spherical.makeSafe();\n\n\n\t\t// move target to panned location\n\n\t\tif ( this.enableDamping === true ) {\n\n\t\t\tthis.target.addScaledVector( this._panOffset, this.dampingFactor );\n\n\t\t} else {\n\n\t\t\tthis.target.add( this._panOffset );\n\n\t\t}\n\n\t\t// Limit the target distance from the cursor to create a sphere around the center of interest\n\t\tthis.target.sub( this.cursor );\n\t\tthis.target.clampLength( this.minTargetRadius, this.maxTargetRadius );\n\t\tthis.target.add( this.cursor );\n\n\t\tlet zoomChanged = false;\n\t\t// adjust the camera position based on zoom only if we're not zooming to the cursor or if it's an ortho camera\n\t\t// we adjust zoom later in these cases\n\t\tif ( this.zoomToCursor && this._performCursorZoom || this.object.isOrthographicCamera ) {\n\n\t\t\tthis._spherical.radius = this._clampDistance( this._spherical.radius );\n\n\t\t} else {\n\n\t\t\tconst prevRadius = this._spherical.radius;\n\t\t\tthis._spherical.radius = this._clampDistance( this._spherical.radius * this._scale );\n\t\t\tzoomChanged = prevRadius != this._spherical.radius;\n\n\t\t}\n\n\t\t_v.setFromSpherical( this._spherical );\n\n\t\t// rotate offset back to \"camera-up-vector-is-up\" space\n\t\t_v.applyQuaternion( this._quatInverse );\n\n\t\tposition.copy( this.target ).add( _v );\n\n\t\tthis.object.lookAt( this.target );\n\n\t\tif ( this.enableDamping === true ) {\n\n\t\t\tthis._sphericalDelta.theta *= ( 1 - this.dampingFactor );\n\t\t\tthis._sphericalDelta.phi *= ( 1 - this.dampingFactor );\n\n\t\t\tthis._panOffset.multiplyScalar( 1 - this.dampingFactor );\n\n\t\t} else {\n\n\t\t\tthis._sphericalDelta.set( 0, 0, 0 );\n\n\t\t\tthis._panOffset.set( 0, 0, 0 );\n\n\t\t}\n\n\t\t// adjust camera position\n\t\tif ( this.zoomToCursor && this._performCursorZoom ) {\n\n\t\t\tlet newRadius = null;\n\t\t\tif ( this.object.isPerspectiveCamera ) {\n\n\t\t\t\t// move the camera down the pointer ray\n\t\t\t\t// this method avoids floating point error\n\t\t\t\tconst prevRadius = _v.length();\n\t\t\t\tnewRadius = this._clampDistance( prevRadius * this._scale );\n\n\t\t\t\tconst radiusDelta = prevRadius - newRadius;\n\t\t\t\tthis.object.position.addScaledVector( this._dollyDirection, radiusDelta );\n\t\t\t\tthis.object.updateMatrixWorld();\n\n\t\t\t\tzoomChanged = !! radiusDelta;\n\n\t\t\t} else if ( this.object.isOrthographicCamera ) {\n\n\t\t\t\t// adjust the ortho camera position based on zoom changes\n\t\t\t\tconst mouseBefore = new Vector3( this._mouse.x, this._mouse.y, 0 );\n\t\t\t\tmouseBefore.unproject( this.object );\n\n\t\t\t\tconst prevZoom = this.object.zoom;\n\t\t\t\tthis.object.zoom = Math.max( this.minZoom, Math.min( this.maxZoom, this.object.zoom / this._scale ) );\n\t\t\t\tthis.object.updateProjectionMatrix();\n\n\t\t\t\tzoomChanged = prevZoom !== this.object.zoom;\n\n\t\t\t\tconst mouseAfter = new Vector3( this._mouse.x, this._mouse.y, 0 );\n\t\t\t\tmouseAfter.unproject( this.object );\n\n\t\t\t\tthis.object.position.sub( mouseAfter ).add( mouseBefore );\n\t\t\t\tthis.object.updateMatrixWorld();\n\n\t\t\t\tnewRadius = _v.length();\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - zoom to cursor disabled.' );\n\t\t\t\tthis.zoomToCursor = false;\n\n\t\t\t}\n\n\t\t\t// handle the placement of the target\n\t\t\tif ( newRadius !== null ) {\n\n\t\t\t\tif ( this.screenSpacePanning ) {\n\n\t\t\t\t\t// position the orbit target in front of the new camera position\n\t\t\t\t\tthis.target.set( 0, 0, - 1 )\n\t\t\t\t\t\t.transformDirection( this.object.matrix )\n\t\t\t\t\t\t.multiplyScalar( newRadius )\n\t\t\t\t\t\t.add( this.object.position );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// get the ray and translation plane to compute target\n\t\t\t\t\t_ray.origin.copy( this.object.position );\n\t\t\t\t\t_ray.direction.set( 0, 0, - 1 ).transformDirection( this.object.matrix );\n\n\t\t\t\t\t// if the camera is 20 degrees above the horizon then don't adjust the focus target to avoid\n\t\t\t\t\t// extremely large values\n\t\t\t\t\tif ( Math.abs( this.object.up.dot( _ray.direction ) ) < _TILT_LIMIT ) {\n\n\t\t\t\t\t\tthis.object.lookAt( this.target );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_plane.setFromNormalAndCoplanarPoint( this.object.up, this.target );\n\t\t\t\t\t\t_ray.intersectPlane( _plane, this.target );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else if ( this.object.isOrthographicCamera ) {\n\n\t\t\tconst prevZoom = this.object.zoom;\n\t\t\tthis.object.zoom = Math.max( this.minZoom, Math.min( this.maxZoom, this.object.zoom / this._scale ) );\n\n\t\t\tif ( prevZoom !== this.object.zoom ) {\n\n\t\t\t\tthis.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis._scale = 1;\n\t\tthis._performCursorZoom = false;\n\n\t\t// update condition is:\n\t\t// min(camera displacement, camera rotation in radians)^2 > EPS\n\t\t// using small-angle approximation cos(x/2) = 1 - x^2 / 8\n\n\t\tif ( zoomChanged ||\n\t\t\tthis._lastPosition.distanceToSquared( this.object.position ) > _EPS ||\n\t\t\t8 * ( 1 - this._lastQuaternion.dot( this.object.quaternion ) ) > _EPS ||\n\t\t\tthis._lastTargetPosition.distanceToSquared( this.target ) > _EPS ) {\n\n\t\t\tthis.dispatchEvent( _changeEvent );\n\n\t\t\tthis._lastPosition.copy( this.object.position );\n\t\t\tthis._lastQuaternion.copy( this.object.quaternion );\n\t\t\tthis._lastTargetPosition.copy( this.target );\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\t_getAutoRotationAngle( deltaTime ) {\n\n\t\tif ( deltaTime !== null ) {\n\n\t\t\treturn ( _twoPI / 60 * this.autoRotateSpeed ) * deltaTime;\n\n\t\t} else {\n\n\t\t\treturn _twoPI / 60 / 60 * this.autoRotateSpeed;\n\n\t\t}\n\n\t}\n\n\t_getZoomScale( delta ) {\n\n\t\tconst normalizedDelta = Math.abs( delta * 0.01 );\n\t\treturn Math.pow( 0.95, this.zoomSpeed * normalizedDelta );\n\n\t}\n\n\t_rotateLeft( angle ) {\n\n\t\tthis._sphericalDelta.theta -= angle;\n\n\t}\n\n\t_rotateUp( angle ) {\n\n\t\tthis._sphericalDelta.phi -= angle;\n\n\t}\n\n\t_panLeft( distance, objectMatrix ) {\n\n\t\t_v.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix\n\t\t_v.multiplyScalar( - distance );\n\n\t\tthis._panOffset.add( _v );\n\n\t}\n\n\t_panUp( distance, objectMatrix ) {\n\n\t\tif ( this.screenSpacePanning === true ) {\n\n\t\t\t_v.setFromMatrixColumn( objectMatrix, 1 );\n\n\t\t} else {\n\n\t\t\t_v.setFromMatrixColumn( objectMatrix, 0 );\n\t\t\t_v.crossVectors( this.object.up, _v );\n\n\t\t}\n\n\t\t_v.multiplyScalar( distance );\n\n\t\tthis._panOffset.add( _v );\n\n\t}\n\n\t// deltaX and deltaY are in pixels; right and down are positive\n\t_pan( deltaX, deltaY ) {\n\n\t\tconst element = this.domElement;\n\n\t\tif ( this.object.isPerspectiveCamera ) {\n\n\t\t\t// perspective\n\t\t\tconst position = this.object.position;\n\t\t\t_v.copy( position ).sub( this.target );\n\t\t\tlet targetDistance = _v.length();\n\n\t\t\t// half of the fov is center to top of screen\n\t\t\ttargetDistance *= Math.tan( ( this.object.fov / 2 ) * Math.PI / 180.0 );\n\n\t\t\t// we use only clientHeight here so aspect ratio does not distort speed\n\t\t\tthis._panLeft( 2 * deltaX * targetDistance / element.clientHeight, this.object.matrix );\n\t\t\tthis._panUp( 2 * deltaY * targetDistance / element.clientHeight, this.object.matrix );\n\n\t\t} else if ( this.object.isOrthographicCamera ) {\n\n\t\t\t// orthographic\n\t\t\tthis._panLeft( deltaX * ( this.object.right - this.object.left ) / this.object.zoom / element.clientWidth, this.object.matrix );\n\t\t\tthis._panUp( deltaY * ( this.object.top - this.object.bottom ) / this.object.zoom / element.clientHeight, this.object.matrix );\n\n\t\t} else {\n\n\t\t\t// camera neither orthographic nor perspective\n\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' );\n\t\t\tthis.enablePan = false;\n\n\t\t}\n\n\t}\n\n\t_dollyOut( dollyScale ) {\n\n\t\tif ( this.object.isPerspectiveCamera || this.object.isOrthographicCamera ) {\n\n\t\t\tthis._scale /= dollyScale;\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\tthis.enableZoom = false;\n\n\t\t}\n\n\t}\n\n\t_dollyIn( dollyScale ) {\n\n\t\tif ( this.object.isPerspectiveCamera || this.object.isOrthographicCamera ) {\n\n\t\t\tthis._scale *= dollyScale;\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\tthis.enableZoom = false;\n\n\t\t}\n\n\t}\n\n\t_updateZoomParameters( x, y ) {\n\n\t\tif ( ! this.zoomToCursor ) {\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis._performCursorZoom = true;\n\n\t\tconst rect = this.domElement.getBoundingClientRect();\n\t\tconst dx = x - rect.left;\n\t\tconst dy = y - rect.top;\n\t\tconst w = rect.width;\n\t\tconst h = rect.height;\n\n\t\tthis._mouse.x = ( dx / w ) * 2 - 1;\n\t\tthis._mouse.y = - ( dy / h ) * 2 + 1;\n\n\t\tthis._dollyDirection.set( this._mouse.x, this._mouse.y, 1 ).unproject( this.object ).sub( this.object.position ).normalize();\n\n\t}\n\n\t_clampDistance( dist ) {\n\n\t\treturn Math.max( this.minDistance, Math.min( this.maxDistance, dist ) );\n\n\t}\n\n\t//\n\t// event callbacks - update the object state\n\t//\n\n\t_handleMouseDownRotate( event ) {\n\n\t\tthis._rotateStart.set( event.clientX, event.clientY );\n\n\t}\n\n\t_handleMouseDownDolly( event ) {\n\n\t\tthis._updateZoomParameters( event.clientX, event.clientX );\n\t\tthis._dollyStart.set( event.clientX, event.clientY );\n\n\t}\n\n\t_handleMouseDownPan( event ) {\n\n\t\tthis._panStart.set( event.clientX, event.clientY );\n\n\t}\n\n\t_handleMouseMoveRotate( event ) {\n\n\t\tthis._rotateEnd.set( event.clientX, event.clientY );\n\n\t\tthis._rotateDelta.subVectors( this._rotateEnd, this._rotateStart ).multiplyScalar( this.rotateSpeed );\n\n\t\tconst element = this.domElement;\n\n\t\tthis._rotateLeft( _twoPI * this._rotateDelta.x / element.clientHeight ); // yes, height\n\n\t\tthis._rotateUp( _twoPI * this._rotateDelta.y / element.clientHeight );\n\n\t\tthis._rotateStart.copy( this._rotateEnd );\n\n\t\tthis.update();\n\n\t}\n\n\t_handleMouseMoveDolly( event ) {\n\n\t\tthis._dollyEnd.set( event.clientX, event.clientY );\n\n\t\tthis._dollyDelta.subVectors( this._dollyEnd, this._dollyStart );\n\n\t\tif ( this._dollyDelta.y > 0 ) {\n\n\t\t\tthis._dollyOut( this._getZoomScale( this._dollyDelta.y ) );\n\n\t\t} else if ( this._dollyDelta.y < 0 ) {\n\n\t\t\tthis._dollyIn( this._getZoomScale( this._dollyDelta.y ) );\n\n\t\t}\n\n\t\tthis._dollyStart.copy( this._dollyEnd );\n\n\t\tthis.update();\n\n\t}\n\n\t_handleMouseMovePan( event ) {\n\n\t\tthis._panEnd.set( event.clientX, event.clientY );\n\n\t\tthis._panDelta.subVectors( this._panEnd, this._panStart ).multiplyScalar( this.panSpeed );\n\n\t\tthis._pan( this._panDelta.x, this._panDelta.y );\n\n\t\tthis._panStart.copy( this._panEnd );\n\n\t\tthis.update();\n\n\t}\n\n\t_handleMouseWheel( event ) {\n\n\t\tthis._updateZoomParameters( event.clientX, event.clientY );\n\n\t\tif ( event.deltaY < 0 ) {\n\n\t\t\tthis._dollyIn( this._getZoomScale( event.deltaY ) );\n\n\t\t} else if ( event.deltaY > 0 ) {\n\n\t\t\tthis._dollyOut( this._getZoomScale( event.deltaY ) );\n\n\t\t}\n\n\t\tthis.update();\n\n\t}\n\n\t_handleKeyDown( event ) {\n\n\t\tlet needsUpdate = false;\n\n\t\tswitch ( event.code ) {\n\n\t\t\tcase this.keys.UP:\n\n\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\tif ( this.enableRotate ) {\n\n\t\t\t\t\t\tthis._rotateUp( _twoPI * this.keyRotateSpeed / this.domElement.clientHeight );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( this.enablePan ) {\n\n\t\t\t\t\t\tthis._pan( 0, this.keyPanSpeed );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tneedsUpdate = true;\n\t\t\t\tbreak;\n\n\t\t\tcase this.keys.BOTTOM:\n\n\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\tif ( this.enableRotate ) {\n\n\t\t\t\t\t\tthis._rotateUp( - _twoPI * this.keyRotateSpeed / this.domElement.clientHeight );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( this.enablePan ) {\n\n\t\t\t\t\t\tthis._pan( 0, - this.keyPanSpeed );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tneedsUpdate = true;\n\t\t\t\tbreak;\n\n\t\t\tcase this.keys.LEFT:\n\n\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\tif ( this.enableRotate ) {\n\n\t\t\t\t\t\tthis._rotateLeft( _twoPI * this.keyRotateSpeed / this.domElement.clientHeight );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( this.enablePan ) {\n\n\t\t\t\t\t\tthis._pan( this.keyPanSpeed, 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tneedsUpdate = true;\n\t\t\t\tbreak;\n\n\t\t\tcase this.keys.RIGHT:\n\n\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\tif ( this.enableRotate ) {\n\n\t\t\t\t\t\tthis._rotateLeft( - _twoPI * this.keyRotateSpeed / this.domElement.clientHeight );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( this.enablePan ) {\n\n\t\t\t\t\t\tthis._pan( - this.keyPanSpeed, 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tneedsUpdate = true;\n\t\t\t\tbreak;\n\n\t\t}\n\n\t\tif ( needsUpdate ) {\n\n\t\t\t// prevent the browser from scrolling on cursor keys\n\t\t\tevent.preventDefault();\n\n\t\t\tthis.update();\n\n\t\t}\n\n\n\t}\n\n\t_handleTouchStartRotate( event ) {\n\n\t\tif ( this._pointers.length === 1 ) {\n\n\t\t\tthis._rotateStart.set( event.pageX, event.pageY );\n\n\t\t} else {\n\n\t\t\tconst position = this._getSecondPointerPosition( event );\n\n\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\tthis._rotateStart.set( x, y );\n\n\t\t}\n\n\t}\n\n\t_handleTouchStartPan( event ) {\n\n\t\tif ( this._pointers.length === 1 ) {\n\n\t\t\tthis._panStart.set( event.pageX, event.pageY );\n\n\t\t} else {\n\n\t\t\tconst position = this._getSecondPointerPosition( event );\n\n\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\tthis._panStart.set( x, y );\n\n\t\t}\n\n\t}\n\n\t_handleTouchStartDolly( event ) {\n\n\t\tconst position = this._getSecondPointerPosition( event );\n\n\t\tconst dx = event.pageX - position.x;\n\t\tconst dy = event.pageY - position.y;\n\n\t\tconst distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\tthis._dollyStart.set( 0, distance );\n\n\t}\n\n\t_handleTouchStartDollyPan( event ) {\n\n\t\tif ( this.enableZoom ) this._handleTouchStartDolly( event );\n\n\t\tif ( this.enablePan ) this._handleTouchStartPan( event );\n\n\t}\n\n\t_handleTouchStartDollyRotate( event ) {\n\n\t\tif ( this.enableZoom ) this._handleTouchStartDolly( event );\n\n\t\tif ( this.enableRotate ) this._handleTouchStartRotate( event );\n\n\t}\n\n\t_handleTouchMoveRotate( event ) {\n\n\t\tif ( this._pointers.length == 1 ) {\n\n\t\t\tthis._rotateEnd.set( event.pageX, event.pageY );\n\n\t\t} else {\n\n\t\t\tconst position = this._getSecondPointerPosition( event );\n\n\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\tthis._rotateEnd.set( x, y );\n\n\t\t}\n\n\t\tthis._rotateDelta.subVectors( this._rotateEnd, this._rotateStart ).multiplyScalar( this.rotateSpeed );\n\n\t\tconst element = this.domElement;\n\n\t\tthis._rotateLeft( _twoPI * this._rotateDelta.x / element.clientHeight ); // yes, height\n\n\t\tthis._rotateUp( _twoPI * this._rotateDelta.y / element.clientHeight );\n\n\t\tthis._rotateStart.copy( this._rotateEnd );\n\n\t}\n\n\t_handleTouchMovePan( event ) {\n\n\t\tif ( this._pointers.length === 1 ) {\n\n\t\t\tthis._panEnd.set( event.pageX, event.pageY );\n\n\t\t} else {\n\n\t\t\tconst position = this._getSecondPointerPosition( event );\n\n\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\tthis._panEnd.set( x, y );\n\n\t\t}\n\n\t\tthis._panDelta.subVectors( this._panEnd, this._panStart ).multiplyScalar( this.panSpeed );\n\n\t\tthis._pan( this._panDelta.x, this._panDelta.y );\n\n\t\tthis._panStart.copy( this._panEnd );\n\n\t}\n\n\t_handleTouchMoveDolly( event ) {\n\n\t\tconst position = this._getSecondPointerPosition( event );\n\n\t\tconst dx = event.pageX - position.x;\n\t\tconst dy = event.pageY - position.y;\n\n\t\tconst distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\tthis._dollyEnd.set( 0, distance );\n\n\t\tthis._dollyDelta.set( 0, Math.pow( this._dollyEnd.y / this._dollyStart.y, this.zoomSpeed ) );\n\n\t\tthis._dollyOut( this._dollyDelta.y );\n\n\t\tthis._dollyStart.copy( this._dollyEnd );\n\n\t\tconst centerX = ( event.pageX + position.x ) * 0.5;\n\t\tconst centerY = ( event.pageY + position.y ) * 0.5;\n\n\t\tthis._updateZoomParameters( centerX, centerY );\n\n\t}\n\n\t_handleTouchMoveDollyPan( event ) {\n\n\t\tif ( this.enableZoom ) this._handleTouchMoveDolly( event );\n\n\t\tif ( this.enablePan ) this._handleTouchMovePan( event );\n\n\t}\n\n\t_handleTouchMoveDollyRotate( event ) {\n\n\t\tif ( this.enableZoom ) this._handleTouchMoveDolly( event );\n\n\t\tif ( this.enableRotate ) this._handleTouchMoveRotate( event );\n\n\t}\n\n\t// pointers\n\n\t_addPointer( event ) {\n\n\t\tthis._pointers.push( event.pointerId );\n\n\t}\n\n\t_removePointer( event ) {\n\n\t\tdelete this._pointerPositions[ event.pointerId ];\n\n\t\tfor ( let i = 0; i < this._pointers.length; i ++ ) {\n\n\t\t\tif ( this._pointers[ i ] == event.pointerId ) {\n\n\t\t\t\tthis._pointers.splice( i, 1 );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_isTrackingPointer( event ) {\n\n\t\tfor ( let i = 0; i < this._pointers.length; i ++ ) {\n\n\t\t\tif ( this._pointers[ i ] == event.pointerId ) return true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\t_trackPointer( event ) {\n\n\t\tlet position = this._pointerPositions[ event.pointerId ];\n\n\t\tif ( position === undefined ) {\n\n\t\t\tposition = new Vector2();\n\t\t\tthis._pointerPositions[ event.pointerId ] = position;\n\n\t\t}\n\n\t\tposition.set( event.pageX, event.pageY );\n\n\t}\n\n\t_getSecondPointerPosition( event ) {\n\n\t\tconst pointerId = ( event.pointerId === this._pointers[ 0 ] ) ? this._pointers[ 1 ] : this._pointers[ 0 ];\n\n\t\treturn this._pointerPositions[ pointerId ];\n\n\t}\n\n\t//\n\n\t_customWheelEvent( event ) {\n\n\t\tconst mode = event.deltaMode;\n\n\t\t// minimal wheel event altered to meet delta-zoom demand\n\t\tconst newEvent = {\n\t\t\tclientX: event.clientX,\n\t\t\tclientY: event.clientY,\n\t\t\tdeltaY: event.deltaY,\n\t\t};\n\n\t\tswitch ( mode ) {\n\n\t\t\tcase 1: // LINE_MODE\n\t\t\t\tnewEvent.deltaY *= 16;\n\t\t\t\tbreak;\n\n\t\t\tcase 2: // PAGE_MODE\n\t\t\t\tnewEvent.deltaY *= 100;\n\t\t\t\tbreak;\n\n\t\t}\n\n\t\t// detect if event was triggered by pinching\n\t\tif ( event.ctrlKey && ! this._controlActive ) {\n\n\t\t\tnewEvent.deltaY *= 10;\n\n\t\t}\n\n\t\treturn newEvent;\n\n\t}\n\n}\n\nfunction onPointerDown( event ) {\n\n\tif ( this.enabled === false ) return;\n\n\tif ( this._pointers.length === 0 ) {\n\n\t\tthis.domElement.setPointerCapture( event.pointerId );\n\n\t\tthis.domElement.addEventListener( 'pointermove', this._onPointerMove );\n\t\tthis.domElement.addEventListener( 'pointerup', this._onPointerUp );\n\n\t}\n\n\t//\n\n\tif ( this._isTrackingPointer( event ) ) return;\n\n\t//\n\n\tthis._addPointer( event );\n\n\tif ( event.pointerType === 'touch' ) {\n\n\t\tthis._onTouchStart( event );\n\n\t} else {\n\n\t\tthis._onMouseDown( event );\n\n\t}\n\n}\n\nfunction onPointerMove( event ) {\n\n\tif ( this.enabled === false ) return;\n\n\tif ( event.pointerType === 'touch' ) {\n\n\t\tthis._onTouchMove( event );\n\n\t} else {\n\n\t\tthis._onMouseMove( event );\n\n\t}\n\n}\n\nfunction onPointerUp( event ) {\n\n\tthis._removePointer( event );\n\n\tswitch ( this._pointers.length ) {\n\n\t\tcase 0:\n\n\t\t\tthis.domElement.releasePointerCapture( event.pointerId );\n\n\t\t\tthis.domElement.removeEventListener( 'pointermove', this._onPointerMove );\n\t\t\tthis.domElement.removeEventListener( 'pointerup', this._onPointerUp );\n\n\t\t\tthis.dispatchEvent( _endEvent );\n\n\t\t\tthis.state = _STATE.NONE;\n\n\t\t\tbreak;\n\n\t\tcase 1:\n\n\t\t\tconst pointerId = this._pointers[ 0 ];\n\t\t\tconst position = this._pointerPositions[ pointerId ];\n\n\t\t\t// minimal placeholder event - allows state correction on pointer-up\n\t\t\tthis._onTouchStart( { pointerId: pointerId, pageX: position.x, pageY: position.y } );\n\n\t\t\tbreak;\n\n\t}\n\n}\n\nfunction onMouseDown( event ) {\n\n\tlet mouseAction;\n\n\tswitch ( event.button ) {\n\n\t\tcase 0:\n\n\t\t\tmouseAction = this.mouseButtons.LEFT;\n\t\t\tbreak;\n\n\t\tcase 1:\n\n\t\t\tmouseAction = this.mouseButtons.MIDDLE;\n\t\t\tbreak;\n\n\t\tcase 2:\n\n\t\t\tmouseAction = this.mouseButtons.RIGHT;\n\t\t\tbreak;\n\n\t\tdefault:\n\n\t\t\tmouseAction = - 1;\n\n\t}\n\n\tswitch ( mouseAction ) {\n\n\t\tcase MOUSE.DOLLY:\n\n\t\t\tif ( this.enableZoom === false ) return;\n\n\t\t\tthis._handleMouseDownDolly( event );\n\n\t\t\tthis.state = _STATE.DOLLY;\n\n\t\t\tbreak;\n\n\t\tcase MOUSE.ROTATE:\n\n\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\tif ( this.enablePan === false ) return;\n\n\t\t\t\tthis._handleMouseDownPan( event );\n\n\t\t\t\tthis.state = _STATE.PAN;\n\n\t\t\t} else {\n\n\t\t\t\tif ( this.enableRotate === false ) return;\n\n\t\t\t\tthis._handleMouseDownRotate( event );\n\n\t\t\t\tthis.state = _STATE.ROTATE;\n\n\t\t\t}\n\n\t\t\tbreak;\n\n\t\tcase MOUSE.PAN:\n\n\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\tif ( this.enableRotate === false ) return;\n\n\t\t\t\tthis._handleMouseDownRotate( event );\n\n\t\t\t\tthis.state = _STATE.ROTATE;\n\n\t\t\t} else {\n\n\t\t\t\tif ( this.enablePan === false ) return;\n\n\t\t\t\tthis._handleMouseDownPan( event );\n\n\t\t\t\tthis.state = _STATE.PAN;\n\n\t\t\t}\n\n\t\t\tbreak;\n\n\t\tdefault:\n\n\t\t\tthis.state = _STATE.NONE;\n\n\t}\n\n\tif ( this.state !== _STATE.NONE ) {\n\n\t\tthis.dispatchEvent( _startEvent );\n\n\t}\n\n}\n\nfunction onMouseMove( event ) {\n\n\tswitch ( this.state ) {\n\n\t\tcase _STATE.ROTATE:\n\n\t\t\tif ( this.enableRotate === false ) return;\n\n\t\t\tthis._handleMouseMoveRotate( event );\n\n\t\t\tbreak;\n\n\t\tcase _STATE.DOLLY:\n\n\t\t\tif ( this.enableZoom === false ) return;\n\n\t\t\tthis._handleMouseMoveDolly( event );\n\n\t\t\tbreak;\n\n\t\tcase _STATE.PAN:\n\n\t\t\tif ( this.enablePan === false ) return;\n\n\t\t\tthis._handleMouseMovePan( event );\n\n\t\t\tbreak;\n\n\t}\n\n}\n\nfunction onMouseWheel( event ) {\n\n\tif ( this.enabled === false || this.enableZoom === false || this.state !== _STATE.NONE ) return;\n\n\tevent.preventDefault();\n\n\tthis.dispatchEvent( _startEvent );\n\n\tthis._handleMouseWheel( this._customWheelEvent( event ) );\n\n\tthis.dispatchEvent( _endEvent );\n\n}\n\nfunction onKeyDown( event ) {\n\n\tif ( this.enabled === false ) return;\n\n\tthis._handleKeyDown( event );\n\n}\n\nfunction onTouchStart( event ) {\n\n\tthis._trackPointer( event );\n\n\tswitch ( this._pointers.length ) {\n\n\t\tcase 1:\n\n\t\t\tswitch ( this.touches.ONE ) {\n\n\t\t\t\tcase TOUCH.ROTATE:\n\n\t\t\t\t\tif ( this.enableRotate === false ) return;\n\n\t\t\t\t\tthis._handleTouchStartRotate( event );\n\n\t\t\t\t\tthis.state = _STATE.TOUCH_ROTATE;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase TOUCH.PAN:\n\n\t\t\t\t\tif ( this.enablePan === false ) return;\n\n\t\t\t\t\tthis._handleTouchStartPan( event );\n\n\t\t\t\t\tthis.state = _STATE.TOUCH_PAN;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tthis.state = _STATE.NONE;\n\n\t\t\t}\n\n\t\t\tbreak;\n\n\t\tcase 2:\n\n\t\t\tswitch ( this.touches.TWO ) {\n\n\t\t\t\tcase TOUCH.DOLLY_PAN:\n\n\t\t\t\t\tif ( this.enableZoom === false && this.enablePan === false ) return;\n\n\t\t\t\t\tthis._handleTouchStartDollyPan( event );\n\n\t\t\t\t\tthis.state = _STATE.TOUCH_DOLLY_PAN;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase TOUCH.DOLLY_ROTATE:\n\n\t\t\t\t\tif ( this.enableZoom === false && this.enableRotate === false ) return;\n\n\t\t\t\t\tthis._handleTouchStartDollyRotate( event );\n\n\t\t\t\t\tthis.state = _STATE.TOUCH_DOLLY_ROTATE;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tthis.state = _STATE.NONE;\n\n\t\t\t}\n\n\t\t\tbreak;\n\n\t\tdefault:\n\n\t\t\tthis.state = _STATE.NONE;\n\n\t}\n\n\tif ( this.state !== _STATE.NONE ) {\n\n\t\tthis.dispatchEvent( _startEvent );\n\n\t}\n\n}\n\nfunction onTouchMove( event ) {\n\n\tthis._trackPointer( event );\n\n\tswitch ( this.state ) {\n\n\t\tcase _STATE.TOUCH_ROTATE:\n\n\t\t\tif ( this.enableRotate === false ) return;\n\n\t\t\tthis._handleTouchMoveRotate( event );\n\n\t\t\tthis.update();\n\n\t\t\tbreak;\n\n\t\tcase _STATE.TOUCH_PAN:\n\n\t\t\tif ( this.enablePan === false ) return;\n\n\t\t\tthis._handleTouchMovePan( event );\n\n\t\t\tthis.update();\n\n\t\t\tbreak;\n\n\t\tcase _STATE.TOUCH_DOLLY_PAN:\n\n\t\t\tif ( this.enableZoom === false && this.enablePan === false ) return;\n\n\t\t\tthis._handleTouchMoveDollyPan( event );\n\n\t\t\tthis.update();\n\n\t\t\tbreak;\n\n\t\tcase _STATE.TOUCH_DOLLY_ROTATE:\n\n\t\t\tif ( this.enableZoom === false && this.enableRotate === false ) return;\n\n\t\t\tthis._handleTouchMoveDollyRotate( event );\n\n\t\t\tthis.update();\n\n\t\t\tbreak;\n\n\t\tdefault:\n\n\t\t\tthis.state = _STATE.NONE;\n\n\t}\n\n}\n\nfunction onContextMenu( event ) {\n\n\tif ( this.enabled === false ) return;\n\n\tevent.preventDefault();\n\n}\n\nfunction interceptControlDown( event ) {\n\n\tif ( event.key === 'Control' ) {\n\n\t\tthis._controlActive = true;\n\n\t\tconst document = this.domElement.getRootNode(); // offscreen canvas compatibility\n\n\t\tdocument.addEventListener( 'keyup', this._interceptControlUp, { passive: true, capture: true } );\n\n\t}\n\n}\n\nfunction interceptControlUp( event ) {\n\n\tif ( event.key === 'Control' ) {\n\n\t\tthis._controlActive = false;\n\n\t\tconst document = this.domElement.getRootNode(); // offscreen canvas compatibility\n\n\t\tdocument.removeEventListener( 'keyup', this._interceptControlUp, { passive: true, capture: true } );\n\n\t}\n\n}\n\nexport { OrbitControls };\n", "import type { Vector3 } from 'three';\n\nimport type { Coordinate3d, CoordinateXYZ } from './Coordinates';\n\nlet scaleFactor = 1.0;\n\n/**\n * Set the number of units per AU.\n */\nexport function setScaleFactor(val: number) {\n scaleFactor = val;\n}\n\n/**\n * Get the number of units per AU.\n */\nexport function getScaleFactor(): number {\n return scaleFactor;\n}\n\nexport function rescalePos(pos: CoordinateXYZ): CoordinateXYZ {\n pos.x *= scaleFactor;\n pos.y *= scaleFactor;\n pos.z *= scaleFactor;\n return pos;\n}\n\nexport function rescaleArray(XYZ: Coordinate3d): Coordinate3d {\n return [XYZ[0] * scaleFactor, XYZ[1] * scaleFactor, XYZ[2] * scaleFactor];\n}\n\nexport function rescaleXYZ(X: number, Y: number, Z: number): Coordinate3d {\n return [X * scaleFactor, Y * scaleFactor, Z * scaleFactor];\n}\n\nexport function rescaleVector(vec: Vector3): Vector3 {\n return vec.multiplyScalar(scaleFactor);\n}\n\nexport function rescaleNumber(x: number): number {\n return scaleFactor * x;\n}\n", "import * as THREE from 'three';\nimport { OrbitControls } from 'three/examples/jsm/controls/OrbitControls.js';\nimport type { PerspectiveCamera } from 'three';\n\nimport { rescaleNumber, rescaleArray } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\nimport type { SimulationContext } from './Simulation';\nimport type { SpaceObject } from './SpaceObject';\n\n/**\n * A wrapper for Three.js camera and controls.\n * TODO(ian): Rename to \"Viewer\"\n */\nexport default class Camera {\n private context: SimulationContext;\n\n private camera: PerspectiveCamera;\n\n private cameraControls: OrbitControls;\n\n private followMesh?: THREE.Object3D;\n\n /**\n * @param {Object} context The simulation context\n */\n constructor(context: SimulationContext) {\n // TODO(ian): Accept either context or container\n this.context = context;\n\n // Optional mesh that we are following.\n this.followMesh = undefined;\n\n const containerWidth = this.context.container.width;\n const containerHeight = this.context.container.height;\n\n const camera = new THREE.PerspectiveCamera(\n 50,\n containerWidth / containerHeight,\n rescaleNumber(0.00001),\n rescaleNumber(2000),\n );\n this.camera = camera;\n\n // Controls\n // TODO(ian): Set maxDistance to prevent camera farplane cutoff.\n // See https://discourse.threejs.org/t/camera-zoom-to-fit-object/936/6\n\n // TODO(ian): Access this better\n const renderer = this.context.simulation.getRenderer();\n\n const controls = new OrbitControls(this.camera, renderer.domElement);\n controls.enableDamping = true;\n controls.dampingFactor = 0.05;\n controls.enablePan = true;\n controls.zoomSpeed = 1.5;\n controls.panSpeed = 2;\n controls.rotateSpeed = 2;\n controls.mouseButtons = {\n LEFT: THREE.MOUSE.ROTATE,\n MIDDLE: THREE.MOUSE.DOLLY,\n RIGHT: THREE.MOUSE.PAN,\n };\n controls.touches = {\n ONE: THREE.TOUCH.ROTATE,\n TWO: THREE.TOUCH.DOLLY_ROTATE,\n };\n this.cameraControls = controls;\n }\n\n /**\n * Move the camera to follow a SpaceObject as it moves. Currently only works\n * for non-particlesystems.\n * @param {SpaceObject} obj SpaceObject to follow.\n * @param {Array.} position Position of the camera with respect to\n * the object.\n */\n followObject(obj: SpaceObject, position: Coordinate3d) {\n const followMesh = obj.get3jsObjects()[0];\n\n this.cameraControls.enablePan = false;\n\n const rescaled = rescaleArray(position);\n this.camera.position.add(\n new THREE.Vector3(rescaled[0], rescaled[1], rescaled[2]),\n );\n\n this.cameraControls.update();\n this.followMesh = followMesh;\n }\n\n /**\n * Stop the camera from following the object.\n */\n stopFollowingObject() {\n if (this.followMesh) {\n this.followMesh.remove(this.camera);\n this.followMesh = undefined;\n this.cameraControls.enablePan = true;\n }\n }\n\n /**\n * @returns {boolean} True if camera is following object.\n */\n isFollowingObject(): boolean {\n return !!this.followMesh;\n }\n\n /**\n * @returns {THREE.PerspectiveCamera} The THREE.js camera object.\n */\n get3jsCamera(): THREE.PerspectiveCamera {\n return this.camera;\n }\n\n /**\n * @returns {THREE.OrbitControls} The THREE.js CameraControls object.\n */\n get3jsCameraControls(): OrbitControls {\n return this.cameraControls;\n }\n\n /**\n * Update the camera position and process control inputs.\n */\n update() {\n if (this.isFollowingObject()) {\n const newpos = this.followMesh!.position.clone();\n\n const offset = newpos.clone().sub(this.cameraControls.target);\n this.camera.position.add(offset);\n\n this.cameraControls.target.set(newpos.x, newpos.y, newpos.z);\n }\n\n // Handle control movements\n this.cameraControls.update();\n\n // Update camera matrix\n this.camera.updateMatrixWorld();\n }\n}\n", "export default class Units {\n static rad(val: number): number {\n return (val * Math.PI) / 180;\n }\n\n static deg(val: number): number {\n return (val * 180) / Math.PI;\n }\n\n static hoursToDeg(val: number): number {\n return val * 15.0;\n }\n\n static sexagesimalToDecimalRa(\n raHour: number,\n raMin: number,\n raSec: number,\n ): number {\n // https://astronomy.stackexchange.com/questions/24518/convert-a-decimal-into-ra-or-dec\n return raHour * 15.0 + raMin / 4.0 + raSec / 240.0;\n }\n\n static sexagesimalToDecimalDec(\n decDeg: number,\n decMin: number,\n decSec: number,\n isObserverBelowEquator: boolean = false,\n ): number {\n const posneg = isObserverBelowEquator ? -1 : 1;\n return decDeg + decMin / 60.0 + (posneg * decSec) / 3600.0;\n }\n\n static valToSexagesimalRa(val: number): [number, number, number] {\n const raHour = Math.trunc(val / 15.0);\n const raMin = Math.trunc((val - raHour * 15.0) * 4.0);\n const raSec = (val - raHour * 15.0 - raMin / 4.0) * 240.0;\n return [raHour, raMin, raSec];\n }\n\n static decimalToSexagesimalDec(\n val: number,\n isObserverBelowEquator: boolean = false,\n ) {\n const posneg = isObserverBelowEquator ? -1 : 1;\n\n const decDeg = Math.trunc(val);\n const decMin = Math.trunc((val - posneg * decDeg) * 60.0 * posneg);\n const decSec =\n (val - posneg * decDeg - (posneg * decMin) / 60.0) * 3600.0 * posneg;\n return [decDeg, decMin, decSec];\n }\n\n static kmToAu(km: number): number {\n return km / 149597870.7;\n }\n\n static auToKm(au: number): number {\n return au * 149597870.7;\n }\n}\n", "import Units from './Units';\n\nexport type Coordinate3d = [number, number, number];\nexport type CoordinateXYZ = {\n x: number;\n y: number;\n z: number;\n};\n\nconst J2000: number = 2451545.0;\n\nexport default class Coordinates {\n static sphericalToCartesian(\n ra: number,\n dec: number,\n dist: number,\n ): Coordinate3d {\n // See http://www.stargazing.net/kepler/rectang.html\n return [\n dist * Math.cos(ra) * Math.cos(dec),\n dist * Math.sin(ra) * Math.cos(dec),\n dist * Math.sin(dec),\n ];\n }\n\n /**\n * See https://en.wikipedia.org/wiki/Ecliptic_coordinate_system#Converting_Cartesian_vector\n */\n static equatorialToEcliptic_Cartesian(\n x: number,\n y: number,\n z: number,\n tilt: number,\n ): Coordinate3d {\n return [\n x,\n Math.cos(tilt) * y + Math.sin(tilt) * z,\n -Math.sin(tilt) * y + Math.cos(tilt) * z,\n ];\n }\n\n static eclipticToEquatorial_Cartesian(\n x: number,\n y: number,\n z: number,\n tilt: number,\n ): Coordinate3d {\n return [\n x,\n Math.cos(tilt) * y + -Math.sin(tilt) * z,\n Math.sin(tilt) * y + Math.cos(tilt) * z,\n ];\n }\n\n /**\n * Get Earth's obliquity and nutation at a given date.\n * @param {Number} jd JD date\n * @return {Object} Object with attributes \"obliquity\" and \"nutation\" provided\n * in radians\n */\n static getNutationAndObliquity(jd: number = J2000): {\n nutation: number;\n obliquity: number;\n } {\n const t = (jd - J2000) / 36525;\n const omega = Units.rad(\n 125.04452 - 1934.136261 * t + 0.0020708 * t * t + (t * t + t) / 450000,\n );\n const Lsun = Units.rad(280.4665 + 36000.7698 * t);\n const Lmoon = Units.rad(218.3165 + 481267.8813 * t);\n\n const nutation =\n (-17.2 / 3600) * Math.sin(omega) -\n (-1.32 / 3600) * Math.sin(2 * Lsun) -\n (0.23 / 3600) * Math.sin(2 * Lmoon) +\n Units.deg((0.21 / 3600) * Math.sin(2 * omega));\n\n const obliquity_zero =\n 23 +\n 26.0 / 60 +\n 21.448 / 3600 -\n (46.815 / 3600) * t -\n (0.00059 / 3600) * t * t +\n (0.001813 / 3600) * t * t * t;\n const obliquity_delta =\n (9.2 / 3600) * Math.cos(omega) +\n (0.57 / 3600) * Math.cos(2 * Lsun) +\n (0.1 / 3600) * Math.cos(2 * Lmoon) -\n (0.09 / 3600) * Math.cos(2 * omega);\n const obliquity = obliquity_zero + obliquity_delta;\n\n return {\n nutation: Units.rad(nutation),\n obliquity: Units.rad(obliquity),\n };\n }\n\n /**\n * Get Earth's obliquity at a given date.\n * @param {Number} jd JD date\n * @return {Number} Obliquity in radians\n */\n static getObliquity(jd: number = J2000): number {\n return this.getNutationAndObliquity(jd).obliquity;\n }\n}\n", "const METERS_IN_AU = 149597870700;\nconst SECONDS_IN_DAY = 86400;\n\ntype EphemAttribute =\n | 'a'\n | 'e'\n | 'i'\n | 'q'\n | 'epoch'\n | 'period'\n | 'tp'\n | 'ma'\n | 'n'\n | 'L'\n | 'om'\n | 'w'\n | 'wBar'\n | 'GM';\n\ninterface EphemAttributes {\n a?: number;\n e?: number;\n i?: number;\n q?: number;\n epoch?: number;\n period?: number;\n tp?: number;\n\n ma?: number;\n n?: number;\n L?: number;\n om?: number;\n w?: number;\n wBar?: number;\n GM?: number;\n}\n\n// TODO(ian): Allow multiple valid attrs for a single quantity and map them\n// internally to a single canonical attribute.\nconst EPHEM_VALID_ATTRS: Set = new Set([\n 'a', // Semi-major axis\n 'e', // Eccentricity\n 'i', // Inclination\n 'q', // Perihelion distance\n\n 'epoch',\n 'period', // in days\n 'tp', // time of perihelion\n\n 'ma', // Mean anomaly\n 'n', // Mean motion\n 'L', // Mean longitude\n\n 'om', // Longitude of Ascending Node\n 'w', // Argument of Perihelion = Longitude of Perihelion - Longitude of Ascending Node\n 'wBar', // Longitude of Perihelion = Longitude of Ascending Node + Argument of Perihelion\n\n 'GM', // Gravitational constant of more massive body\n]);\n\n// Which of these are angular measurements.\nconst ANGLE_UNITS: Set = new Set([\n 'i',\n 'ma',\n 'n',\n 'L',\n 'om',\n 'w',\n 'wBar',\n]);\n\n/**\n * Standard gravitational parameter for objects orbiting these bodies.\n * Units in m^3/s^2\n */\nexport const GM: {\n SUN: number;\n MERCURY: number;\n VENUS: number;\n EARTH_MOON: number;\n MARS: number;\n JUPITER: number;\n SATURN: number;\n URANUS: number;\n NEPTUNE: number;\n PLUTO_CHARON: number;\n} = {\n // See https://space.stackexchange.com/questions/22948/where-to-find-the-best-values-for-standard-gravitational-parameters-of-solar-sys and https://naif.jpl.nasa.gov/pub/naif/generic_kernels/pck/gm_de431.tpc\n SUN: 1.3271244004193938e20,\n MERCURY: 2.2031780000000021e13,\n VENUS: 3.2485859200000006e14,\n EARTH_MOON: 4.0350323550225981e14,\n MARS: 4.2828375214000022e13,\n JUPITER: 1.2671276480000021e17,\n SATURN: 3.7940585200000003e16,\n URANUS: 5.794548600000008e15,\n NEPTUNE: 6.8365271005800236e15,\n PLUTO_CHARON: 9.7700000000000068e11,\n};\n\n// Returns true if object is a number.\nfunction isDef(obj?: number) {\n return typeof obj !== 'undefined' && Number.isFinite(obj);\n}\n\n/**\n * A class representing Kepler ephemerides.\n * @example\n * ```\n * const NEPTUNE = new Ephem({\n * epoch: 2458426.500000000,\n * a: 3.009622263428050E+01,\n * e: 7.362571187193770E-03,\n * i: 1.774569249829094E+00,\n * om: 1.318695882492132E+02,\n * w: 2.586226409499831E+02,\n * ma: 3.152804988924479E+02,\n * }, 'deg'),\n * ```\n */\nexport class Ephem {\n private attrs: EphemAttributes;\n\n private locked: boolean;\n\n /**\n * @param {Object} initialValues A dictionary of initial values. Not all values\n * are required as some may be inferred from others.\n * @param {Number} initialValues.a Semimajor axis\n * @param {Number} initialValues.e Eccentricity\n * @param {Number} initialValues.i Inclination\n * @param {Number} initialValues.epoch Epoch in JD\n * @param {Number} initialValues.period Period in days\n * @param {Number} initialValues.ma Mean anomaly\n * @param {Number} initialValues.n Mean motion, deg or rad per day (instead of per second)\n * @param {Number} initialValues.L Mean longitude\n * @param {Number} initialValues.om Longitude of Ascending Node\n * @param {Number} initialValues.w Argument of Perihelion\n * @param {Number} initialValues.wBar Longitude of Perihelion\n * @param {GM} initialValues.GM Standard gravitational parameter in m^3/s^2 (instead of km^3/s^2).\n * Defaults to GM.SUN. @see {GM}\n * @param {'deg'|'rad'} units The unit of angles in the list of initial values.\n */\n constructor(\n initialValues: EphemAttributes,\n units: 'rad' | 'deg' = 'rad',\n locked: boolean = false,\n ) {\n this.attrs = {};\n this.locked = false;\n\n for (const attr in initialValues) {\n if (initialValues.hasOwnProperty(attr)) {\n const actualUnits = ANGLE_UNITS.has(attr) ? units : null;\n this.set(\n attr as EphemAttribute,\n initialValues[attr as keyof EphemAttributes] as number,\n actualUnits as 'rad' | 'deg',\n );\n }\n }\n\n if (typeof this.attrs.GM === 'undefined') {\n this.attrs.GM = GM.SUN;\n }\n this.fill();\n\n if (this.get('e') >= 0.999 && typeof this.getUnsafe('tp') === 'undefined') {\n console.warn(\n 'You must specify \"tp\" (time of perihelion) for highly eccentric orbits',\n );\n }\n\n this.locked = locked;\n }\n\n /**\n * Sets an ephemerides attribute.\n * @param {String} attr The name of the attribute (e.g. 'a')\n * @param {Number} val The value of the attribute (e.g. 0.5)\n * @param {'deg'|'rad'} units The unit of angle provided, if applicable.\n */\n set(attr: EphemAttribute, val: number, units: 'deg' | 'rad' = 'rad') {\n if (this.locked) {\n throw new Error('Attempted to modify locked (immutable) Ephem object');\n }\n\n if (!EPHEM_VALID_ATTRS.has(attr)) {\n console.warn(`Invalid ephem attr: ${attr}`);\n return false;\n }\n\n // Store everything in radians.\n // TODO(ian): Make sure value can't be set with bogus units.\n if (units === 'deg') {\n this.attrs[attr] = (val * Math.PI) / 180;\n } else {\n this.attrs[attr] = val;\n }\n return true;\n }\n\n /**\n * Gets an ephemerides attribute, but may return undefined if it's not set.\n * @param {String} attr The name of the attribute (e.g. 'a')\n * @param {'deg'|'rad'} units The unit of angle desired, if applicable. This\n * input is ignored for values that are not angle measurements.\n * @return {Number} Ephemeris attribute value, or undefined\n */\n getUnsafe(\n attr: EphemAttribute,\n units: 'deg' | 'rad' = 'rad',\n ): number | undefined {\n if (units === 'deg') {\n const attrVal = this.attrs[attr];\n if (typeof attrVal === 'undefined') {\n return undefined;\n }\n return (attrVal * 180) / Math.PI;\n }\n return this.attrs[attr];\n }\n\n /**\n * Gets an ephemerides attribute.\n * @param {String} attr The name of the attribute (e.g. 'a')\n * @param {'deg'|'rad'} units The unit of angle desired, if applicable. This\n * input is ignored for values that are not angle measurements.\n * @return {Number} Ephemeris attribute value\n */\n get(attr: EphemAttribute, units: 'deg' | 'rad' = 'rad'): number {\n const retVal = this.getUnsafe(attr, units);\n if (typeof retVal === 'undefined') {\n console.info(this.attrs);\n throw new Error(\n `Attempted to get ephemeris value '${attr}' but it was undefined`,\n );\n }\n return retVal;\n }\n\n /**\n * @private\n * Infers values of some ephemerides attributes if the required information\n * is available.\n */\n private fill() {\n // Perihelion distance and semimajor axis\n const e = this.getUnsafe('e');\n if (!isDef(e)) {\n console.info(this.attrs);\n throw new Error('Must define eccentricity \"e\" in an orbit');\n }\n\n // Semimajor axis and perihelion distance\n let a = this.getUnsafe('a');\n let q = this.getUnsafe('q');\n if (isDef(a)) {\n if (!isDef(q)) {\n if (e! >= 1.0) {\n throw new Error(\n 'Must provide perihelion distance \"q\" if eccentricity \"e\" is greater than 1',\n );\n }\n q = a! * (1.0 - e!);\n this.set('q', q);\n }\n } else if (isDef(q)) {\n a = q! / (1.0 - e!);\n this.set('a', a);\n } else {\n throw new Error(\n 'Must define semimajor axis \"a\" or perihelion distance \"q\" in an orbit',\n );\n }\n\n // Longitude/Argument of Perihelion and Long. of Ascending Node\n let w = this.getUnsafe('w');\n let wBar = this.getUnsafe('wBar');\n let om = this.getUnsafe('om');\n if (isDef(w) && isDef(om) && !isDef(wBar)) {\n wBar = w! + om!;\n this.set('wBar', wBar);\n } else if (isDef(wBar) && isDef(om) && !isDef(w)) {\n w = wBar! - om!;\n this.set('w', w);\n } else if (isDef(w) && isDef(wBar) && !isDef(om)) {\n om = wBar! - w!;\n this.set('om', om);\n }\n\n // Mean motion and period\n const aMeters = a! * METERS_IN_AU;\n const n = this.getUnsafe('n');\n const GM = this.getUnsafe('GM');\n let period = this.getUnsafe('period');\n\n if (!isDef(period) && isDef(a)) {\n if (!isDef(GM)) {\n throw new Error('Expected ephemeris attribute GM to be set');\n }\n period =\n (2 * Math.PI * Math.sqrt((aMeters * aMeters * aMeters) / GM!)) /\n SECONDS_IN_DAY;\n this.set('period', period);\n }\n\n if (e! < 1.0) {\n // Only work with mean motion for elliptical orbits.\n if (isDef(period) && !isDef(n)) {\n // Set radians\n const newN = (2.0 * Math.PI) / period!;\n this.set('n', newN);\n } else if (isDef(n) && !isDef(period)) {\n this.set('period', (2.0 * Math.PI) / n!);\n }\n }\n\n // Mean longitude\n const ma = this.getUnsafe('ma');\n let L = this.getUnsafe('L');\n if (!isDef(L) && isDef(om) && isDef(w) && isDef(ma)) {\n L = om! + w! + ma!;\n this.set('L', L);\n }\n\n // Mean anomaly\n if (!isDef(ma)) {\n // MA = Mean longitude - Longitude of perihelion\n this.set('ma', L! - wBar!);\n }\n\n // TODO(ian): Handle no om\n }\n\n /**\n * Make this ephem object immutable.\n */\n lock() {\n this.locked = true;\n }\n\n copy(): Ephem {\n return new Ephem(\n {\n GM: this.getUnsafe('GM'),\n epoch: this.getUnsafe('epoch'),\n a: this.getUnsafe('a'),\n e: this.getUnsafe('e'),\n i: this.getUnsafe('i'),\n om: this.getUnsafe('om'),\n ma: this.getUnsafe('ma'),\n w: this.getUnsafe('w'),\n period: this.getUnsafe('period'), // save period, if given, more accurate than calculating it from GM & a\n },\n 'rad',\n );\n }\n}\n", "/**\n * Interpolates the given 2D array of data using a Lagrange Polynomial interpolation. User specifies first/last row\n * versus giving a number of sample points and a starting index. For best performance number of points generally would\n * be between 1 (linear) and 7\n *\n * @param {Array} data array\n * @param {Number} xValue value of x to evaluate for function y = f(x) represented by the data\n * @param {Number} sampleRowMin first row of data to use for the interpolation\n * @param {Number} sampleRowMax last row of data to use for the interpolation\n * @param {Number} xIndex the column of data which represents the 'x' variable of y = f(x)\n * @param {Number} yIndex the column of data which represents the 'y' curve data of y = f(x)\n * @returns {Number} the interpolated value of the function f(x) from the data\n */\nexport function interpolate(\n data: number[][],\n xValue: number,\n sampleRowMin: number,\n sampleRowMax: number,\n xIndex: number,\n yIndex: number,\n): number {\n if (data === undefined) {\n throw 'data object is undefined';\n }\n\n if (!Array.isArray(data)) {\n throw 'data object must be an array';\n }\n\n if (sampleRowMin >= sampleRowMax) {\n throw 'first row must be greater than last row';\n }\n\n if (sampleRowMin < 0) {\n throw 'first row must be greater than zero';\n }\n\n if (sampleRowMax > data.length - 1) {\n throw 'last row must be ';\n }\n\n if (!Array.isArray(data[sampleRowMin])) {\n throw 'data in rows must be array data';\n }\n\n const maxColumn = data[0].length - 1;\n if (xIndex < 0 || xIndex > maxColumn) {\n throw `xIndex has to be between 0 and ${maxColumn}: ${xIndex}`;\n }\n\n if (yIndex < 0 || yIndex > maxColumn) {\n throw `yIndex has to be between 0 and ${maxColumn}: ${yIndex}`;\n }\n\n let sum = 0;\n for (let j = sampleRowMin; j <= sampleRowMax; j++) {\n let prod = 1;\n for (let k = sampleRowMin; k <= sampleRowMax; k++) {\n if (k === j) {\n continue;\n }\n prod *= (xValue - data[k][xIndex]) / (data[j][xIndex] - data[k][xIndex]);\n }\n\n sum += prod * data[j][yIndex];\n }\n\n return sum;\n}\n", "import * as THREE from 'three';\n\nconst DEFAULT_COMPARER_METHOD = (a: any, b: any) => {\n return a - b;\n};\n/**\n * @ignore\n */\nexport const DEFAULT_TEXTURE_URL = '{{assets}}/sprites/fuzzyparticle.png';\n\n/**\n * Returns the complete URL to a texture given a basepath and a template url.\n * @param {String} template URL containing optional template parameters\n * @param {String} basePath Base path\n * @example\n * ```\n * getFullUrl('{{assets}}/images/mysprite.png', '/path/to/assets')\n * => '/path/to/assets/images/mysprite.png'\n * ```\n */\nexport function getFullUrl(template: string, basePath: string) {\n return template\n .replace('{{assets}}', `${basePath}/assets`)\n .replace('{{data}}', `${basePath}/data`);\n}\n\n/**\n * Returns the complete URL to a texture given a basepath and a template url.\n * @param {String} template URL containing optional template parameters\n * @param {String} basePath Base path for simulation data and assets.\n * @example\n * ```\n * getFullTextureUrl('{{assets}}/images/mysprite.png', '/path/to/assets')\n * => '/path/to/assets/images/mysprite.png'\n * ```\n */\nexport function getFullTextureUrl(template: string, basePath: string) {\n return getFullUrl(template || DEFAULT_TEXTURE_URL, basePath);\n}\n\n/*\n * Returns a THREE.js texture given a basepath and a template url.\n * @param {String} template URL containing optional template parameters\n * @param {String} basePath Base path for simulation data and assets.\n */\nexport function getThreeJsTexture(template: string, basePath: string) {\n const fullTextureUrl = getFullTextureUrl(template, basePath);\n const texture = new THREE.TextureLoader().load(fullTextureUrl);\n texture.colorSpace = THREE.SRGBColorSpace;\n return texture;\n}\n\nexport function getDefaultBasePath() {\n return window.location.href.indexOf('localhost') > -1\n ? '/src/'\n : 'https://typpo.github.io/spacekit/src';\n}\n\n/**\n * Performs a standard binary search on an array of values returning the index of the found item or the twos complement\n * negative of the closest value if the exact value isn't found. For example for array: [10, 20, 30]\n * * Searching for a value of 20 would return an index of 1\n * * Searching for a value of 12 would return a value of -2 (taking the two's complement back '~' give you 1)\n * @param {Array} data an array of values of the type consistent with the comparer method\n * @param value the value to be searched for in the data array\n * @param {Function} [comparer] a function which takes two arguments: first of same type as data row and second as same\n * time as value to compare. Default method is a numerical comparison\n * @returns {number}\n */\nexport function binarySearch(\n data: any[],\n value: any,\n comparer = DEFAULT_COMPARER_METHOD,\n) {\n if (data === undefined) {\n throw 'data object is undefined';\n }\n\n if (!Array.isArray(data)) {\n throw 'data object must be an array';\n }\n\n if (value === undefined) {\n throw 'value object must be defined';\n }\n\n if (comparer === undefined) {\n throw 'comparer must be defined';\n }\n\n let left = 0;\n let right = data.length;\n\n while (left <= right) {\n let middle = Math.floor((left + right) / 2);\n if (middle === data.length) {\n return middle;\n }\n let comparisonCalc = comparer(data[middle], value);\n if (comparisonCalc < 0) {\n left = middle + 1;\n } else if (comparisonCalc > 0) {\n right = middle - 1;\n } else {\n return middle;\n }\n }\n\n return ~left;\n}\n", "import * as SpacekitMath from './Math';\nimport * as Util from './util';\n\nimport Units from './Units';\n\nimport type { Coordinate3d } from './Coordinates';\n\n/**\n * A class representing an ephemeris look-up table for defining a space object.\n */\n\n// Types\ntype InterpolationType = 'lagrange';\ntype EphemType = 'cartesianposvel';\ntype DistanceUnits = 'au' | 'km';\ntype TimeUnits = 'day' | 'sec';\n\ninterface EphemerisTableUnits {\n distance: DistanceUnits;\n time: TimeUnits;\n}\n\ninterface EphemerisTableData {\n data: number[][];\n ephemerisType?: EphemType;\n distanceUnits: DistanceUnits;\n timeUnits: TimeUnits;\n interpolationType?: InterpolationType;\n interpolationOrder?: number;\n}\n\n// Constants\nconst MAX_INTERPOLATION_ORDER = 20;\nconst INCREASING_JDATE_SEARCH_METHOD = (a: number[], b: number) => a[0] - b;\n\n// Default Values\nconst DEFAULT_UNITS: EphemerisTableUnits = {\n distance: 'au',\n time: 'day',\n};\n\nconst DEFAULT_EPHEM_TYPE = 'cartesianposvel';\nconst DEFAULT_INTERPOLATION_TYPE = 'lagrange';\nconst DEFAULT_INTERPOLATION_ORDER = 5;\n\n// Allowable unit types\nconst DISTANCE_UNITS = new Set(['km', 'au']);\nconst EPHEM_TYPES = new Set(['cartesianposvel']);\nconst INTERPOLATION_TYPES = new Set(['lagrange']);\nconst TIME_UNITS = new Set(['day', 'sec']);\n\n/**\n * This class encapsulates the data and necessary methods for operating with look up ephemeris data.\n * Users of the class pass in their ephemeris data as a data structure with the data and the settings for the ephemeris.\n * The settings include things like the units, and the ephemeris representation. The ephemeris data itself is an array\n * of arrays where each line constitute the necessary components of the line.\n *\n * For 'cartesianposvel' style ephemeris each line of data looks like: [Julian Date, X, Y, Z, Vx, Vy, Vz]\n */\nexport class EphemerisTable {\n private units: EphemerisTableUnits;\n\n private ephemType: EphemType;\n\n private interpolationType: InterpolationType;\n\n private interpolationOrder: number;\n\n private data: number[][];\n\n /**\n * @param {Object} ephemerisData Look up ephemeris data to initialize the table with and the properties of it\n * @param {Array.>} ephemerisData.data the ephemeris data appropriate for the specified ephemeris type\n * @param {String} ephemerisData.ephemerisType the type of ephemeres data here (defaults to 'cartesianposvel')\n * @param {String} ephemerisData.distanceUnits the distance units for this data (defaults to AU\n * @param {String} ephemerisData.timeUnits the distance units for this data (defaults to day)\n * @param {String} ephemerisData.interpolationType the type of interpolater to use (defaults to 'lagrange')\n * @param {Number} ephemerisData.interpolationOrder the order of the interpolator to use (defaults to 5)\n */\n constructor(ephemerisData: EphemerisTableData) {\n this.units = JSON.parse(JSON.stringify(DEFAULT_UNITS));\n this.ephemType = DEFAULT_EPHEM_TYPE;\n this.interpolationType = DEFAULT_INTERPOLATION_TYPE;\n this.interpolationOrder = DEFAULT_INTERPOLATION_ORDER;\n\n if (!ephemerisData) {\n throw new Error(\n 'EphemerisTable must be initialized with an ephemeris data structure',\n );\n }\n\n if (\n !ephemerisData.data ||\n !Array.isArray(ephemerisData.data) ||\n ephemerisData.data.length === 0 ||\n !Array.isArray(ephemerisData.data[0])\n ) {\n throw new Error(\n 'EphemerisTable must be initialized with a structure containing an array of arrays of ephemeris data',\n );\n }\n this.data = JSON.parse(JSON.stringify(ephemerisData.data));\n\n if (ephemerisData.distanceUnits) {\n if (!DISTANCE_UNITS.has(ephemerisData.distanceUnits)) {\n throw new Error(\n `Unknown distance units: ${ephemerisData.distanceUnits}`,\n );\n }\n this.units.distance = ephemerisData.distanceUnits;\n }\n\n if (ephemerisData.timeUnits) {\n if (!TIME_UNITS.has(ephemerisData.timeUnits)) {\n throw new Error(`Unknown time units: ${ephemerisData.timeUnits}`);\n }\n this.units.time = ephemerisData.timeUnits;\n }\n\n if (ephemerisData.ephemerisType) {\n if (!EPHEM_TYPES.has(ephemerisData.ephemerisType)) {\n throw new Error(\n `Unknown ephemeris type: ${ephemerisData.ephemerisType}`,\n );\n }\n this.ephemType = ephemerisData.ephemerisType;\n }\n\n if (ephemerisData.interpolationType) {\n if (!INTERPOLATION_TYPES.has(ephemerisData.interpolationType)) {\n throw new Error(\n `Unknown interpolation type: ${ephemerisData.interpolationType}`,\n );\n }\n this.interpolationType = ephemerisData.interpolationType;\n }\n\n if (ephemerisData.interpolationOrder !== undefined) {\n if (\n ephemerisData.interpolationOrder < 1 ||\n ephemerisData.interpolationOrder > MAX_INTERPOLATION_ORDER\n ) {\n throw new Error(\n `Interpolation order must be >0 and <${MAX_INTERPOLATION_ORDER}: ${ephemerisData.interpolationOrder}`,\n );\n }\n this.interpolationOrder = ephemerisData.interpolationOrder;\n }\n\n if (\n this.units.distance !== DEFAULT_UNITS.distance ||\n this.units.time !== DEFAULT_UNITS.time\n ) {\n const distanceMultiplier = this.calcDistanceMultiplier(\n this.units.distance,\n );\n const timeMultiplier = this.calcTimeMultiplier(this.units.time);\n this.data.forEach((line) => {\n line[1] *= distanceMultiplier;\n line[2] *= distanceMultiplier;\n line[3] *= distanceMultiplier;\n line[4] *= distanceMultiplier * timeMultiplier;\n line[5] *= distanceMultiplier * timeMultiplier;\n line[6] *= distanceMultiplier * timeMultiplier;\n });\n }\n }\n\n /**\n * Returns the first Julian date in the ephemeris table.\n */\n getStartJd(): number {\n return this.data[0][0];\n }\n\n /**\n * Returns the last Julian date in the ephemeris table.\n */\n getStopJd(): number {\n return this.data[this.data.length - 1][0];\n }\n\n /**\n * Calculates the interpolated position for the given requested date. If the requested date is before the first\n * point it returns the first point. If the requested date is after the last point it returns the last point.\n * @param {Number} jd of the requested time\n * @returns {Number[]|*[]} x, y, z position in the ephemeris table's reference frame\n */\n getPositionAtTime(jd: number): Coordinate3d {\n if (jd <= this.data[0][0]) {\n return [this.data[0][1], this.data[0][2], this.data[0][3]];\n }\n\n const last = this.data[this.data.length - 1];\n if (jd >= last[0]) {\n return [last[1], last[2], last[3]];\n }\n\n const { startIndex, stopIndex } = this.calcBoundingIndices(jd);\n const x = SpacekitMath.interpolate(\n this.data,\n jd,\n startIndex,\n stopIndex,\n 0,\n 1,\n );\n const y = SpacekitMath.interpolate(\n this.data,\n jd,\n startIndex,\n stopIndex,\n 0,\n 2,\n );\n const z = SpacekitMath.interpolate(\n this.data,\n jd,\n startIndex,\n stopIndex,\n 0,\n 3,\n );\n\n return [x, y, z];\n }\n\n /**\n * Given the start and stop time returns a uniform ephemeris history.\n * @param {Number} startJd the requested start date\n * @param {Number} stopJd the requested stop date\n * @param {Number} stepDays the step size of the data requested in days (can be fractional days)\n * @returns {number[][]}\n */\n getPositions(\n startJd: number,\n stopJd: number,\n stepDays: number,\n ): Coordinate3d[] {\n if (startJd > stopJd) {\n throw new Error(`Requested start needs to be after requested stop`);\n }\n\n if (stepDays <= 0.0) {\n throw new Error('Step days needs to be greater than zero');\n }\n\n const result: Coordinate3d[] = [];\n for (let t = startJd; t <= stopJd; t += stepDays) {\n result.push(this.getPositionAtTime(t));\n }\n\n return result;\n }\n\n /**\n * @private\n */\n private calcDistanceMultiplier(unitType: DistanceUnits): number {\n switch (unitType) {\n case 'au':\n return 1.0;\n case 'km':\n return Units.kmToAu(1);\n default:\n throw new Error('Unknown distance unit type: ' + unitType);\n }\n }\n\n /**\n * @private\n */\n private calcTimeMultiplier(unitType: TimeUnits): number {\n switch (unitType) {\n case 'day':\n return 1.0;\n case 'sec':\n return 1 / 86400.0;\n default:\n throw new Error('Unknown time unit type: ' + unitType);\n }\n }\n\n /**\n * @private\n */\n private calcBoundingIndices(jd: number): {\n startIndex: number;\n stopIndex: number;\n } {\n const halfSampleSize = Math.floor(this.interpolationOrder / 2);\n let closestIndex = Util.binarySearch(\n this.data,\n jd,\n INCREASING_JDATE_SEARCH_METHOD,\n );\n if (closestIndex < 0) {\n closestIndex = ~closestIndex - 1;\n }\n let startIndex = closestIndex - halfSampleSize;\n if (startIndex < 0) {\n startIndex = 0;\n }\n\n let stopIndex = startIndex + Number(this.interpolationOrder);\n if (stopIndex >= this.data.length) {\n stopIndex = this.data.length - 1;\n if (this.data.length > halfSampleSize) {\n startIndex = stopIndex - halfSampleSize;\n }\n }\n\n return { startIndex: startIndex, stopIndex: stopIndex };\n }\n}\n", "import Units from './Units';\nimport { Ephem, GM } from './Ephem';\nimport { getFullUrl } from './util';\n\nimport type { Simulation, SimulationContext } from './Simulation';\n\n/**\n * A dictionary containing ephemerides of planets and other well-known objects.\n * @example\n * ```\n * const planet1 = viz.createObject('planet1', {\n * ephem: EphemPresets.MERCURY,\n * });\n * ```\n */\nexport const EphemPresets: {\n MERCURY: Ephem;\n VENUS: Ephem;\n EARTH: Ephem;\n MOON: Ephem;\n MARS: Ephem;\n JUPITER: Ephem;\n SATURN: Ephem;\n URANUS: Ephem;\n NEPTUNE: Ephem;\n PLUTO: Ephem;\n} = {\n // See https://ssd.jpl.nasa.gov/?planet_pos and https://ssd.jpl.nasa.gov/txt/p_elem_t1.txt\n MERCURY: new Ephem(\n {\n epoch: 2458426.5,\n a: 3.870968969437096e-1,\n e: 2.056515875393916e-1,\n i: 7.003891682749818,\n om: 4.830774804443502e1,\n w: 2.917940253442659e1,\n ma: 2.56190975209273e2,\n period: 87.969257,\n },\n 'deg',\n true /* locked */,\n ),\n VENUS: new Ephem(\n {\n epoch: 2458426.5,\n a: 7.233458663591554e-1,\n e: 6.762510759617694e-3,\n i: 3.394567787211735,\n om: 7.662534150657346e1,\n w: 5.474567447560867e1,\n ma: 2.756687596099721e2,\n period: 224.70079922,\n },\n 'deg',\n true /* locked */,\n ),\n EARTH: new Ephem(\n {\n // Taken from https://nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html\n /*\n epoch: 2451545.0,\n a: 1.00000011,\n e: 0.01671022,\n i: 0.00005,\n om: -11.26064,\n wBar: 102.94719,\n L: 100.46435,\n */\n\n // https://ssd.jpl.nasa.gov/txt/p_elem_t1.txt\n epoch: 2451545.0,\n a: 1.00000261,\n e: 0.01671123,\n i: -0.00001531,\n om: 0.0,\n wBar: 102.93768193,\n L: 100.46457166,\n period: 365.256363004,\n\n /*\n epoch: 2458426.500000000,\n a: 1.000618919441359E+00,\n e: 1.676780871638673E-02,\n i: 0,\n om: 1.888900932218542E+02,\n w: 2.718307282052625E+02,\n ma: 3.021792498388233E+02,\n */\n },\n 'deg',\n true /* locked */,\n ),\n MOON: new Ephem(\n {\n GM: GM.EARTH_MOON,\n\n // Geocentric\n // https://ssd.jpl.nasa.gov/horizons.cgi#results\n epoch: 2458621.5,\n a: 2.582517063772124e-3, // A, km => AU, Semi-major axis\n e: 4.582543645168888e-2, // EC, Eccentricity\n i: 5.102060246928811, // IN, Inclination deg\n om: 1.085916732144811e2, // OM, Longitude of Ascending Node, deg\n w: 6.180561793729225e1, // W, Argument of Perifocus, deg\n ma: 5.053270083636792e1, // MA, Mean Anomaly, deg\n period: 27.321582, // P, Period in days\n },\n 'deg',\n true /* locked */,\n ),\n MARS: new Ephem(\n {\n epoch: 2458426.5,\n a: 1.52371401537107,\n e: 9.336741335309606e-2,\n i: 1.848141099825311,\n om: 4.950420572080223e1,\n w: 2.866965847685386e2,\n ma: 2.538237617924876e1,\n period: 686.98,\n },\n 'deg',\n true /* locked */,\n ),\n JUPITER: new Ephem(\n {\n epoch: 2458426.5,\n a: 5.20180355911023,\n e: 4.89912558249006e-2,\n i: 1.303560894624275,\n om: 1.005203828847816e2,\n w: 2.73736301845404e2,\n ma: 2.31939544389401e2,\n period: 4332.589,\n },\n 'deg',\n true /* locked */,\n ),\n SATURN: new Ephem(\n {\n epoch: 2458426.5,\n a: 9.577177295536776,\n e: 5.101889921719987e-2,\n i: 2.482782449972317,\n om: 1.136154964073247e2,\n w: 3.394422648650336e2,\n ma: 1.870970898012944e2,\n period: 10755.698,\n },\n 'deg',\n true /* locked */,\n ),\n URANUS: new Ephem(\n {\n epoch: 2458426.5,\n a: 1.914496966635462e1,\n e: 4.832662948112808e-2,\n i: 7.697511134483724e-1,\n om: 7.414239045667875e1,\n w: 9.942704504702185e1,\n ma: 2.202603033874267e2,\n period: 30685.4,\n },\n 'deg',\n true /* locked */,\n ),\n NEPTUNE: new Ephem(\n {\n epoch: 2458426.5,\n a: 3.00962226342805e1,\n e: 7.36257118719377e-3,\n i: 1.774569249829094,\n om: 1.318695882492132e2,\n w: 2.586226409499831e2,\n ma: 3.152804988924479e2,\n period: 60189,\n },\n 'deg',\n true /* locked */,\n ),\n PLUTO: new Ephem(\n {\n epoch: 2454000.5,\n a: 39.4450697257,\n e: 0.250248713478,\n i: 17.0890009196,\n om: 110.376957955,\n w: 112.597141677,\n ma: 25.2471897122,\n },\n 'deg',\n true /* locked */,\n ),\n};\n\ninterface NaturalSatelliteRecord {\n Planet: string;\n 'Epoch String': string;\n 'Epoch JD': number;\n 'Element Type': string;\n 'Sat.': string;\n tags: string;\n a: number | string;\n e: number | string;\n w: number | string;\n M: number | string;\n i: number | string;\n node: number | string;\n n: number | string;\n P: number | string;\n Pw: number | string;\n Pnode: number | string;\n RA: number | string;\n Dec: number | string | null;\n Tilt: number | string | null;\n Ref: string;\n}\n\n/**\n * A class for fetching orbital elements of natural satellites in our solar\n * system.\n */\nexport class NaturalSatellites {\n private _simulation: Simulation;\n\n private _context: SimulationContext;\n\n private _satellitesByPlanet: Record<\n string,\n {\n name: string;\n elementType: string;\n tags: Set;\n ephem: Ephem;\n }[]\n >;\n\n private _readyPromise: Promise;\n\n constructor(simulation: Simulation) {\n this._simulation = simulation;\n this._context = simulation.getContext();\n\n this._satellitesByPlanet = {};\n const dataUrl = getFullUrl(\n '{{data}}/processed/natural-satellites.json',\n this._context.options.basePath,\n );\n\n this._readyPromise = new Promise((resolve, reject) => {\n fetch(dataUrl)\n .then((resp) => resp.json())\n .then((moons) => {\n moons.forEach((moon: NaturalSatelliteRecord) => {\n const planetName = moon.Planet.toLowerCase();\n if (!this._satellitesByPlanet[planetName]) {\n this._satellitesByPlanet[planetName] = [];\n }\n\n let ephemType;\n switch (moon['Element Type']) {\n case 'Ecliptic':\n // Don't have to do anything\n break;\n case 'Equatorial':\n // TODO(ian): Convert equatorial coords\n ephemType = 'equatorial';\n /*\n throw new Error(\n `Ephemeris type not yet implemented: ${ephemType}`,\n );\n */\n break;\n case 'Laplace':\n // TODO(ian): Convert laplace coords\n ephemType = 'equatorial';\n /*\n throw new Error(\n `Ephemeris type not yet implemented: ${ephemType}`,\n );\n */\n break;\n default:\n console.warn(\n `Ephemeris type not yet implemented: ${ephemType}`,\n );\n return;\n }\n\n let ephemGM;\n switch (moon.Planet) {\n case 'Earth':\n ephemGM = GM.EARTH_MOON;\n break;\n case 'Pluto':\n ephemGM = GM.PLUTO_CHARON;\n break;\n default:\n ephemGM = GM[moon.Planet.toUpperCase() as keyof typeof GM];\n }\n if (!ephemGM) {\n console.error(`Could not look up GM for ${moon.Planet}`);\n }\n\n const ephem = new Ephem(\n {\n GM: ephemGM,\n epoch: Number(moon['Epoch JD']),\n a: Units.kmToAu(Number(moon.a)),\n e: Number(moon.e),\n i: Number(moon.i),\n w: Number(moon.w),\n om: Number(moon.node),\n ma: Number(moon.M),\n },\n 'deg',\n true /* locked */,\n );\n\n this._satellitesByPlanet[planetName].push({\n name: moon['Sat.'],\n elementType: moon['Element Type'],\n tags: new Set(moon['tags'].split(',')),\n ephem,\n });\n });\n console.info('Loaded', moons.length, 'natural satellites');\n resolve(this);\n })\n .catch((err) => {\n reject(err);\n });\n });\n }\n\n /**\n * Get a list of satellites and their orbital elements for a given planet.\n * @param {String} planetName Name of a planet, e.g. \"Jupiter\"\n * @return {Object} List containing a list of dictionaries with information\n * on each satellite.\n */\n getSatellitesForPlanet(planetName: string) {\n return this._satellitesByPlanet[planetName.toLowerCase()];\n }\n\n load(): Promise {\n return this._readyPromise;\n }\n}\n", "import * as THREE from 'three';\n// @ts-ignore\nimport julian from 'julian';\n\nimport { Ephem } from './Ephem';\nimport { EphemerisTable } from './EphemerisTable';\nimport { rescaleArray, rescaleXYZ } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\n\nimport type { LineBasicMaterial } from 'three';\nimport { SpaceObject } from \"./SpaceObject\"\n\nexport enum OrbitType {\n UNKNOWN = 0,\n PARABOLIC = 1,\n HYPERBOLIC = 2,\n ELLIPTICAL = 3,\n TABLE = 4,\n}\n\ninterface OrbitOptions {\n color?: number;\n eclipticLineColor?: number;\n orbitPathSettings?: {\n leadDurationYears?: number;\n trailDurationYears?: number;\n numberSamplePoints?: number;\n eclipticLineSparsity?: number;\n drawHeliocentric?: boolean;\n };\n}\n\nconst { sin, cos, sqrt } = Math;\n\nconst DEFAULT_LEAD_TRAIL_YEARS = 10;\nconst DEFAULT_SAMPLE_POINTS = 360;\nconst DEFAULT_ECLIPTIC_LINE_SPARSITY = 1;\nconst DEFAULT_DRAW_HELIOCENTRIC = false;\nconst DEFAULT_ORBIT_PATH_SETTINGS = {\n leadDurationYears: DEFAULT_LEAD_TRAIL_YEARS,\n trailDurationYears: DEFAULT_LEAD_TRAIL_YEARS,\n numberSamplePoints: DEFAULT_SAMPLE_POINTS,\n eclipticLineSparsity: DEFAULT_ECLIPTIC_LINE_SPARSITY,\n drawHeliocentric: DEFAULT_DRAW_HELIOCENTRIC,\n};\n\n/**\n * Special cube root function that assumes input is always positive.\n */\nfunction cbrt(x: number) {\n return Math.exp(Math.log(x) / 3.0);\n}\n\n/**\n * A class that builds a visual representation of a Kepler orbit.\n * @example\n * ```\n * const orbit = new Spacekit.Orbit({\n * ephem: new Spacekit.Ephem({...}),\n * options: {\n * color: 0xFFFFFF,\n * eclipticLineColor: 0xCCCCCC,\n * },\n * });\n * ```\n */\nexport class Orbit {\n private ephem: Ephem | EphemerisTable;\n\n private options: OrbitOptions;\n\n private orbitPoints?: THREE.Vector3[];\n\n private eclipticDropLines?: THREE.LineSegments;\n\n private orbitShape?: THREE.Line;\n\n private orbitStart: number;\n\n private orbitStop: number;\n\n private orbitType: OrbitType;\n\n /**\n * @param {(Ephem | EphemerisTable)} ephem The ephemeris that define this orbit.\n * @param {Object} options\n * @param {Number} options.color The color of the orbital ellipse.\n * @param {Number} options.eclipticLineColor The color of lines drawn\n * @param {Object} options.orbitPathSettings settings for the path\n * @param {Number} options.orbitPathSettings.leadDurationYears orbit path lead time in years\n * @param {Number} options.orbitPathSettings.trailDurationYears orbit path trail time in years\n * @param {Number} options.orbitPathSettings.numberSamplePoints number of\n * points to use when drawing the orbit line. Only applicable for\n * non-elliptical and ephemeris table orbits. perpendicular to the ecliptic\n * in order to illustrate depth (defaults to 0x333333).\n */\n constructor(ephem: Ephem | EphemerisTable, options: OrbitOptions) {\n /**\n * Ephem object\n * @type {(Ephem | EphemerisTable)}\n */\n this.ephem = ephem;\n\n /**\n * Options (see class definition for details)\n */\n this.options = options || {};\n\n /**\n * configuring orbit path lead/trail data\n */\n this.options.orbitPathSettings = Object.assign({}, DEFAULT_ORBIT_PATH_SETTINGS, this.options.orbitPathSettings ?? {});\n\n /**\n * Cached orbital points.\n * @type {Array.}\n */\n this.orbitPoints = undefined;\n\n /**\n * Cached ecliptic drop lines.\n * @type {Array.}\n */\n this.eclipticDropLines = undefined;\n\n /**\n * Cached orbit shape.\n * @type {THREE.Line}\n */\n this.orbitShape = undefined;\n\n /**\n * Time span of the drawn orbit line\n */\n this.orbitStart = 0;\n this.orbitStop = 0;\n\n /**\n * Orbit type\n * @type {OrbitType}\n */\n this.orbitType = Orbit.getOrbitType(this.ephem);\n }\n\n /**\n * Is orbit heliocentric or not\n */\n isHeliocentric(): boolean {\n return this.options.orbitPathSettings?.drawHeliocentric ?? DEFAULT_DRAW_HELIOCENTRIC;\n }\n\n /**\n * Get heliocentric position of object at a given JD.\n * @param {Number} jd Date value in JD.\n * @param {boolean} debug Set true for debug output.\n * @return {Array.} [X, Y, Z] coordinates\n */\n getPositionAtTime(jd: number, debug: boolean = false): Coordinate3d {\n // Note: logic below must match the vertex shader.\n\n // This position calculation is used to create orbital ellipses.\n switch (this.orbitType) {\n case OrbitType.PARABOLIC:\n return this.getPositionAtTimeNearParabolic(jd, debug);\n case OrbitType.HYPERBOLIC:\n return this.getPositionAtTimeHyperbolic(jd, debug);\n case OrbitType.ELLIPTICAL:\n return this.getPositionAtTimeElliptical(jd, debug);\n case OrbitType.TABLE:\n return this.getPositionAtTimeTable(jd, debug);\n default:\n throw new Error('No handler for this type of orbit');\n }\n }\n\n getPositionAtTimeParabolic(jd: number, debug: boolean = false): Coordinate3d {\n // See https://stjarnhimlen.se/comp/ppcomp.html#17\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // The Guassian gravitational constant\n const k = 0.01720209895;\n\n // Perihelion distance\n const q = eph.get('q');\n\n // Compute time since perihelion\n const d = jd - eph.get('tp');\n\n const H = (d * (k / sqrt(2))) / sqrt(q * q * q);\n const h = 1.5 * H;\n const g = sqrt(1.0 + h * h);\n const s = cbrt(g + h) - cbrt(g - h);\n\n // True anomaly\n const v = 2.0 * Math.atan(s);\n // Heliocentric distance\n const r = q * (1.0 + s * s);\n\n return this.vectorToHeliocentric(v, r);\n }\n\n getPositionAtTimeNearParabolic(\n jd: number,\n debug: boolean = false,\n ): Coordinate3d {\n // See https://stjarnhimlen.se/comp/ppcomp.html#17\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // The Guassian gravitational constant\n const k = 0.01720209895;\n\n // Eccentricity\n const e = eph.get('e');\n\n // Perihelion distance\n const q = eph.get('q');\n\n // Compute time since perihelion\n const d = jd - eph.get('tp');\n\n const a = 0.75 * d * k * sqrt((1 + e) / (q * q * q));\n const b = sqrt(1 + a * a);\n const W = cbrt(b + a) - cbrt(b - a);\n const f = (1 - e) / (1 + e);\n\n const a1 = 2 / 3 + (2 / 5) * W * W;\n const a2 = 7 / 5 + (33 / 35) * W * W + (37 / 175) * W ** 4;\n const a3 =\n W * W * (432 / 175 + (956 / 1125) * W * W + (84 / 1575) * W ** 4);\n\n const C = (W * W) / (1 + W * W);\n const g = f * C * C;\n const w = W * (1 + f * C * (a1 + a2 * g + a3 * g * g));\n\n // True anomaly\n const v = 2 * Math.atan(w);\n // Heliocentric distance\n const r = (q * (1 + w * w)) / (1 + w * w * f);\n\n return this.vectorToHeliocentric(v, r);\n }\n\n getPositionAtTimeHyperbolic(\n jd: number,\n debug: boolean = false,\n ): Coordinate3d {\n // See https://stjarnhimlen.se/comp/ppcomp.html#17\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // Eccentricity\n const e = eph.get('e');\n\n // Semimajor axis\n const a = eph.get('a');\n\n // Mean anomaly\n const ma = eph.get('ma');\n\n // Calculate mean anomaly at jd\n const n = eph.get('n', 'rad');\n const epoch = eph.get('epoch');\n const d = jd - epoch;\n\n const M = ma + n * d;\n\n let F0 = M;\n for (let count = 0; count < 100; count++) {\n const F1 =\n (M + e * (F0 * Math.cosh(F0) - Math.sinh(F0))) /\n (e * Math.cosh(F0) - 1);\n const lastdiff = Math.abs(F1 - F0);\n F0 = F1;\n\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n const F = F0;\n\n const v = 2 * Math.atan(sqrt((e + 1) / (e - 1))) * Math.tanh(F / 2);\n const r = (a * (1 - e * e)) / (1 + e * cos(v));\n\n return this.vectorToHeliocentric(v, r);\n }\n\n getPositionAtTimeElliptical(\n jd: number,\n debug: boolean = false,\n ): Coordinate3d {\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // Eccentricity\n const e = eph.get('e');\n\n // Mean anomaly\n const ma = eph.get('ma', 'rad');\n\n // Calculate mean anomaly at jd\n const n = eph.get('n', 'rad');\n const epoch = eph.get('epoch');\n const d = jd - epoch;\n\n const M = ma + n * d;\n if (debug) {\n console.info('period=', eph.get('period'));\n console.info('n=', n);\n console.info('ma=', ma);\n console.info('d=', d);\n console.info('M=', M);\n }\n\n // Estimate eccentric and true anom using iterative approx\n let E0 = M;\n for (let count = 0; count < 100; count++) {\n const E1 = M + e * sin(E0);\n const lastdiff = Math.abs(E1 - E0);\n E0 = E1;\n\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n const E = E0;\n const v = 2 * Math.atan(sqrt((1 + e) / (1 - e)) * Math.tan(E / 2));\n\n // Radius vector, in AU\n const a = eph.get('a');\n const r = (a * (1 - e * e)) / (1 + e * cos(v));\n\n return this.vectorToHeliocentric(v, r);\n }\n\n getPositionAtTimeTable(jd: number, debug: boolean = false): Coordinate3d {\n if (this.ephem instanceof EphemerisTable) {\n const point = this.ephem.getPositionAtTime(jd);\n return rescaleXYZ(point[0], point[1], point[2]);\n }\n throw new Error('Attempted to read ephemeris table of non-table data');\n }\n\n /**\n * Given true anomaly and heliocentric distance, returns the scaled heliocentric coordinates (X, Y, Z)\n * @param {Number} v True anomaly\n * @param {Number} r Heliocentric distance\n * @return {Array.} Heliocentric coordinates\n */\n vectorToHeliocentric(v: number, r: number): Coordinate3d {\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // Inclination, Longitude of ascending node, Longitude of perihelion\n const i = eph.get('i', 'rad');\n const o = eph.get('om', 'rad');\n const p = eph.get('wBar', 'rad');\n\n // Heliocentric coords\n const X = r * (cos(o) * cos(v + p - o) - sin(o) * sin(v + p - o) * cos(i));\n const Y = r * (sin(o) * cos(v + p - o) + cos(o) * sin(v + p - o) * cos(i));\n const Z = r * (sin(v + p - o) * sin(i));\n\n return rescaleXYZ(X, Y, Z);\n }\n\n /**\n * Returns whether the requested epoch is within the current orbit's\n * definition. Used only for ephemeris tables.\n * @param {Number} jd\n * @return {boolean} true if it is within the orbit span, false if not\n */\n needsUpdateForTime(jd: number): boolean {\n if (this.orbitType === OrbitType.TABLE) {\n return jd < this.orbitStart || jd > this.orbitStop;\n }\n // Renderings for other types are static.\n return false;\n }\n\n /**\n * Calculates, caches, and returns the orbit state for this orbit around this time\n * @param {Number} jd center time of the orbit (only used for ephemeris table ephemeris)\n * @param {boolean} forceCompute forces the recomputing of the orbit on this call\n * @param {SpaceObject} orbitAround the object to orbit around\n * @return {THREE.Line}\n */\n getOrbitShape(jd?: number, forceCompute: boolean = false, orbitAround?: SpaceObject): THREE.Line {\n if (forceCompute) {\n if (this.orbitShape) {\n this.orbitShape.geometry.dispose();\n (this.orbitShape.material as LineBasicMaterial).dispose();\n }\n\n this.orbitShape = undefined;\n this.orbitPoints = undefined;\n\n if (this.eclipticDropLines) {\n this.eclipticDropLines.geometry.dispose();\n (this.eclipticDropLines.material as LineBasicMaterial).dispose();\n }\n this.eclipticDropLines = undefined;\n }\n\n if (this.orbitShape) {\n // Orbit shape is already computed.\n return this.orbitShape;\n }\n\n // Decide on a time range to draw orbits.\n if (this.orbitType === OrbitType.TABLE && this.ephem instanceof EphemerisTable) {\n this.orbitStart = this.ephem.getStartJd();\n this.orbitStop = this.ephem.getStopJd();\n }\n else if (this.orbitType !== OrbitType.TABLE && !(this.ephem instanceof EphemerisTable)) {\n // TODO(ian): Should we compute around current position, not time of perihelion?\n // Use current date as a fallback if time of perihelion is not available.\n const tp = jd ?? this.ephem.getUnsafe('tp') ?? julian.toJulianDay(new Date());\n this.orbitStart = tp - this.options.orbitPathSettings!.trailDurationYears! * 365.25;\n this.orbitStop = tp + this.options.orbitPathSettings!.leadDurationYears! * 365.25;\n }\n else {\n throw new Error(\"if this.orbitType == OrbitType.TABLE, then this.ephem needs to be an instance of EphemerisTable and vice versa\");\n }\n\n const step = (this.orbitStop - this.orbitStart) / this.options.orbitPathSettings!.numberSamplePoints!;\n\n switch (this.orbitType) {\n case OrbitType.ELLIPTICAL:\n if (this.options.orbitPathSettings?.drawHeliocentric && orbitAround) {\n return this.getEllipseAround(this.orbitStart, this.orbitStop, step, orbitAround);\n }\n return this.getEllipse();\n case OrbitType.HYPERBOLIC:\n return this.getLine(\n this.getPositionAtTimeHyperbolic.bind(this),\n this.orbitStart,\n this.orbitStop,\n step,\n this.options.orbitPathSettings?.drawHeliocentric ? orbitAround : undefined,\n );\n case OrbitType.PARABOLIC:\n return this.getLine(\n this.getPositionAtTimeNearParabolic.bind(this),\n this.orbitStart,\n this.orbitStop,\n step,\n this.options.orbitPathSettings?.drawHeliocentric ? orbitAround : undefined,\n );\n case OrbitType.TABLE:\n return this.getTableOrbit(this.orbitStart, this.orbitStop, step,\n this.options.orbitPathSettings?.drawHeliocentric ? orbitAround : undefined);\n default:\n throw new Error('Unknown orbit shape');\n }\n }\n\n /**\n * Compute a line between a given date range.\n * @private\n */\n private getLine(\n orbitFn: (jd: number) => Coordinate3d,\n startJd: number,\n endJd: number,\n step: number,\n orbitAround?: SpaceObject,\n ) {\n const points: THREE.Vector3[] = [];\n for (let jd = startJd; jd <= endJd; jd += step) {\n const pos = orbitFn(jd);\n if (orbitAround) {\n const parentPos = orbitAround.getPosition(jd);\n pos[0] += parentPos[0];\n pos[1] += parentPos[1];\n pos[2] += parentPos[2];\n }\n points.push(new THREE.Vector3(pos[0], pos[1], pos[2]));\n }\n return this.generateAndCacheOrbitShape(points);\n }\n\n /**\n * Returns the orbit for a table lookup orbit definition\n * @private\n * @param {Number} startJd start of orbit in JDate format\n * @param {Number} stopJd end of orbit in JDate format\n * @param {Number} step step size in days\n * @param {SpaceObject} orbitAround the object to orbit around\n * @return {THREE.Line}\n */\n private getTableOrbit(\n startJd: number,\n stopJd: number,\n step: number,\n orbitAround?: SpaceObject,\n ): THREE.Line {\n if (this.ephem instanceof Ephem) {\n throw new Error(\n 'Attempted to compute table orbit on non-table ephemeris',\n );\n }\n const rawPoints = this.ephem.getPositions(startJd, stopJd, step);\n const points = rawPoints\n .map((values) => rescaleArray(values))\n .map((values) => new THREE.Vector3(values[0], values[1], values[2]));\n\n if (orbitAround) {\n points.forEach((point, idx) => {\n const parentPos = orbitAround.getPosition(startJd + idx * step);\n point.x += parentPos[0];\n point.y += parentPos[1];\n point.z += parentPos[2];\n });\n }\n\n return this.generateAndCacheOrbitShape(points);\n }\n\n /**\n * @private\n * @return {THREE.Line} The ellipse object that represents this orbit.\n */\n private getEllipse() {\n const points = this.getEllipsePoints();\n return this.generateAndCacheOrbitShape(points);\n }\n\n /**\n * @private\n * @return {THREE.Line} The ellipse object around an orbit, in heliocentric frame.\n */\n private getEllipseAround(startJd: number, stopJd: number, step: number, orbitAround: SpaceObject) {\n const pts = [];\n for (let jd = startJd; jd <= stopJd; jd += step) {\n const parentPos = orbitAround.getPosition(jd);\n const pos = this.getPositionAtTimeElliptical(jd, false);\n pts.push(new THREE.Vector3(parentPos[0] + pos[0], parentPos[1] + pos[1], parentPos[2] + pos[2]));\n }\n return this.generateAndCacheOrbitShape(pts);\n }\n\n /**\n * @private\n * @return {THREE.Vector3[]} A THREE.js geometry\n */\n private getEllipsePoints(): THREE.Vector3[] {\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n const a = eph.get('a');\n const ecc = eph.get('e');\n\n const twoPi = Math.PI * 2;\n const step = twoPi / this.options.orbitPathSettings!.numberSamplePoints!;\n\n const pts = [];\n for (let E = 0; E < twoPi; E += step) {\n const v = 2 * Math.atan(sqrt((1 + ecc) / (1 - ecc)) * Math.tan(E / 2));\n const r = (a * (1 - ecc * ecc)) / (1 + ecc * cos(v));\n const pos = this.vectorToHeliocentric(v, r);\n\n if (isNaN(pos[0]) || isNaN(pos[1]) || isNaN(pos[2])) {\n console.error(\n 'NaN position value - you may have bad or incomplete data in the following ephemeris:',\n );\n console.error(eph);\n }\n pts.push(new THREE.Vector3(pos[0], pos[1], pos[2]));\n }\n pts.push(pts[0]);\n return pts;\n }\n\n /**\n * @private\n * @return {THREE.Line} Line object\n */\n private generateAndCacheOrbitShape(\n pointVectors: THREE.Vector3[],\n ): THREE.Line {\n\n if (this.orbitShape) {\n // clean up before creating new resources\n this.orbitShape.geometry.dispose();\n (this.orbitShape.material as LineBasicMaterial).dispose();\n }\n\n this.orbitPoints = pointVectors;\n this.orbitShape = new THREE.Line(\n new THREE.BufferGeometry().setFromPoints(pointVectors),\n new THREE.LineBasicMaterial({\n color: new THREE.Color(this.options.color || 0x444444),\n }),\n );\n return this.orbitShape;\n }\n\n /**\n * A geometry containing line segments that run between the orbit ellipse and\n * the ecliptic plane of the solar system. This is a useful visual effect\n * that makes it easy to tell when an orbit goes below or above the ecliptic\n * plane.\n * @return {THREE.LineSegments} A geometry with many line segments.\n */\n getLinesToEcliptic(): THREE.LineSegments {\n if (this.eclipticDropLines) {\n return this.eclipticDropLines;\n }\n\n if (!this.orbitPoints) {\n // Generate the orbitPoints cache.\n this.getOrbitShape();\n }\n\n // Place a cap on visible lines, for large or highly inclined orbits.\n const points = this.orbitPoints || [];\n let filteredPoints: THREE.Vector3[] = [];\n points.forEach((vertex, idx) => {\n // Drop last point because it's a repeat of the first point.\n if (\n idx === points.length - 1 &&\n this.orbitType === OrbitType.ELLIPTICAL ||\n (idx % (this.options.orbitPathSettings?.eclipticLineSparsity ?? 1) != 0)\n ) {\n return;\n }\n filteredPoints.push(vertex);\n filteredPoints.push(new THREE.Vector3(vertex.x, vertex.y, 0));\n });\n const geometry = new THREE.BufferGeometry().setFromPoints(filteredPoints);\n\n this.eclipticDropLines = new THREE.LineSegments(\n geometry,\n new THREE.LineBasicMaterial({\n color: this.options.eclipticLineColor || 0x333333,\n blending: THREE.AdditiveBlending,\n }),\n );\n\n return this.eclipticDropLines;\n }\n\n /**\n * Get the color of this orbit.\n * @return {Number} The hexadecimal color of the orbital ellipse.\n */\n getHexColor(): number {\n return (this.getOrbitShape().material as LineBasicMaterial).color.getHex();\n }\n\n /**\n * @param {Number} hexVal The hexadecimal color of the orbital ellipse.\n */\n setHexColor(hexVal: number) {\n (this.getOrbitShape().material as LineBasicMaterial).color =\n new THREE.Color(hexVal);\n }\n\n /**\n * Get the visibility of this orbit.\n * @return {boolean} Whether the orbital ellipse is visible. Note that\n * although the ellipse may not be visible, it is still present in the\n * underlying Scene and Simultation.\n */\n getVisibility(): boolean {\n return this.getOrbitShape().visible;\n }\n\n /**\n * Change the visibility of this orbit.\n * @param {boolean} val Whether to show the orbital ellipse.\n */\n setVisibility(val: boolean) {\n this.getOrbitShape().visible = val;\n this.getLinesToEcliptic().visible = val;\n }\n\n /**\n * Free up GPU resources\n */\n removalCleanup() {\n if (this.orbitShape) {\n this.orbitShape.geometry.dispose();\n (this.orbitShape.material as LineBasicMaterial).dispose();\n }\n if (this.eclipticDropLines) {\n this.eclipticDropLines.geometry.dispose();\n (this.eclipticDropLines.material as LineBasicMaterial).dispose();\n }\n }\n\n /**\n * Get the type of orbit. Returns one of OrbitType.PARABOLIC, HYPERBOLIC,\n * ELLIPTICAL, or UNKNOWN.\n * @param {(Ephem | EphemerisTable)} Ephemeris\n * @return {OrbitType} Name of orbit type\n */\n static getOrbitType(ephem: Ephem | EphemerisTable): OrbitType {\n if (ephem instanceof EphemerisTable) {\n return OrbitType.TABLE;\n }\n\n const e = ephem.get('e');\n if (e >= 0.999 && e < 1.2) {\n return OrbitType.PARABOLIC;\n }\n if (e > 1.2) {\n return OrbitType.HYPERBOLIC;\n }\n return OrbitType.ELLIPTICAL;\n }\n}\n", "import * as THREE from 'three';\n// @ts-ignore\nimport julian from 'julian';\nimport Stats from 'three/examples/jsm/libs/stats.module.js';\nimport {\n BloomEffect,\n EffectComposer,\n EffectPass,\n RenderPass,\n // @ts-ignore\n} from 'postprocessing';\n\nimport type { Scene, Object3D, Vector3, WebGLRenderer } from 'three';\n\nimport Camera from './Camera';\nimport { KeplerParticles } from './KeplerParticles';\nimport { NaturalSatellites } from './EphemPresets';\nimport { ShapeObject } from './ShapeObject';\nimport { Skybox } from './Skybox';\nimport { SpaceObject } from './SpaceObject';\nimport { SphereObject } from './SphereObject';\nimport { StaticParticles } from './StaticParticles';\nimport { Stars } from './Stars';\nimport { getDefaultBasePath } from './util';\nimport { setScaleFactor, rescaleArray } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\n\n// TODO(ian): Make this an interface.\nexport interface SimulationObject {\n update: (jd: number, force: boolean) => void;\n get3jsObjects(): THREE.Object3D[];\n getId(): string;\n removalCleanup: () => void;\n setVisibility: (visible: boolean) => void;\n isVisible: () => boolean;\n}\n\ninterface CameraOptions {\n initialPosition?: Coordinate3d;\n enableDrift?: boolean;\n}\n\ninterface DebugOptions {\n showAxes?: boolean;\n showGrid?: boolean;\n showStats?: boolean;\n}\n\ninterface SpacekitOptions {\n basePath: string;\n startDate?: Date;\n jd?: number;\n jdDelta?: number;\n jdPerSecond?: number;\n unitsPerAu?: number;\n startPaused?: boolean;\n maxNumParticles?: number;\n particleTextureUrl?: string;\n particleDefaultSize?: number;\n camera?: CameraOptions;\n debug?: DebugOptions;\n}\n\nexport interface SimulationContext {\n simulation: Simulation;\n options: SpacekitOptions;\n objects: {\n renderer: WebGLRenderer;\n camera: Camera;\n scene: Scene;\n particles: KeplerParticles;\n composer?: EffectComposer;\n };\n container: {\n width: number;\n height: number;\n };\n}\n\n/**\n * The main entrypoint of a visualization.\n *\n * This class wraps a THREE.js scene, controls, skybox, etc in an animated\n * Simulation.\n *\n * @example\n * ```\n * const sim = new Spacekit.Simulation(document.getElementById('my-container'), {\n * basePath: '../path/to/assets',\n * startDate: Date.now(),\n * jd: 0.0,\n * jdDelta: 10.0,\n * jdPerSecond: 100.0, // overrides jdDelta\n * startPaused: false,\n * unitsPerAu: 1.0,\n * maxNumParticles: 2**16,\n * camera: {\n * initialPosition: [0, -10, 5],\n * enableDrift: false,\n * },\n * debug: {\n * showAxes: false,\n * showGrid: false,\n * showStats: false,\n * },\n * });\n * ```\n */\nexport class Simulation {\n public onTick?: () => void;\n\n private simulationElt: HTMLCanvasElement;\n\n private options: SpacekitOptions;\n\n private jd: number;\n\n private jdDelta?: number;\n\n private jdPerSecond: number;\n\n private isPaused: boolean;\n\n private enableCameraDrift: boolean;\n\n private cameraDefaultPos: Coordinate3d;\n\n private camera: Camera;\n\n private useLightSources: boolean;\n\n private lightPosition?: Vector3;\n\n private subscribedObjects: Record;\n\n private neverUpdatedObjects: Set;\n\n private particles: KeplerParticles;\n\n private stats?: Stats;\n\n private fps: number;\n\n private lastUpdatedTime: number;\n\n private lastStaticCameraUpdateTime: number;\n\n private lastResizeUpdateTime: number;\n\n private renderEnabled: boolean;\n\n private initialRenderComplete: boolean;\n\n private scene: Scene;\n\n private renderer: WebGLRenderer;\n\n private composer?: EffectComposer;\n\n /**\n * @param {HTMLCanvasElement} simulationElt The container for this simulation.\n * @param {Object} options for simulation\n * @param {String} options.basePath Path to simulation assets and data\n * @param {Date} options.startDate The start date and time for this\n * simulation.\n * @param {Number} options.jd The JD date of this simulation.\n * Defaults to 0\n * @param {Number} options.jdDelta The number of JD to add every tick of\n * the simulation.\n * @param {Number} options.jdPerSecond The number of jd to add every second.\n * Use this instead of `jdDelta` for constant motion that does not vary with\n * framerate. Defaults to 100.\n * @param {Number} options.unitsPerAu The number of \"position\" units in the\n * simulation that represent an AU. This is an optional setting that you may\n * use if the default (1 unit = 1 AU) is too small for your simulation (e.g.\n * if you are representing a planetary system). Depending on your graphics\n * card, you may begin to notice inaccuracies at fractional scales of GL\n * units, so it becomes necessary to scale the whole visualization. Defaults\n * to 1.0.\n * @param {boolean} options.startPaused Whether the simulation should start\n * in a paused state.\n * @param {Number} options.maxNumParticles The maximum number of particles in\n * the visualization. Try choosing a number that is larger than your\n * particles, but not too much larger. It's usually good enough to choose the\n * next highest power of 2. If you're not showing many particles (tens of\n * thousands+), you don't need to worry about this.\n * @param {String} options.particleTextureUrl The texture for the default\n * particle system.\n * @param {Number} options.particleDefaultSize The default size for the\n * particle system.\n * @param {Object} options.camera Options for camera\n * @param {Array.} options.camera.initialPosition Initial X, Y, Z\n * coordinates of the camera. Defaults to [0, -10, 5].\n * @param {boolean} options.camera.enableDrift Set true to have the camera\n * float around slightly. False by default.\n * @param {Object} options.debug Options dictating debug state.\n * @param {boolean} options.debug.showAxes Show X, Y, and Z axes\n * @param {boolean} options.debug.showGrid Show grid on XY plane\n * @param {boolean} options.debug.showStats Show FPS and other stats\n * (requires stats.js).\n */\n constructor(simulationElt: HTMLCanvasElement, options: SpacekitOptions) {\n this.simulationElt = simulationElt;\n this.options = options || {};\n this.options.basePath = this.options.basePath || getDefaultBasePath();\n\n this.jd =\n typeof this.options.jd === 'undefined'\n ? Number(julian(this.options.startDate || new Date()))\n : this.options.jd;\n this.jdDelta = this.options.jdDelta;\n this.jdPerSecond = this.options.jdPerSecond || 100;\n this.isPaused = options.startPaused || false;\n this.onTick = undefined;\n\n this.enableCameraDrift = false;\n this.cameraDefaultPos = rescaleArray([0, -10, 5]);\n if (this.options.camera) {\n this.enableCameraDrift = !!this.options.camera.enableDrift;\n if (this.options.camera.initialPosition) {\n this.cameraDefaultPos = rescaleArray(\n this.options.camera.initialPosition,\n );\n }\n }\n\n this.useLightSources = false;\n this.lightPosition = undefined;\n\n this.subscribedObjects = {};\n this.neverUpdatedObjects = new Set();\n\n // This makes controls.lookAt and other objects treat the positive Z axis\n // as \"up\" direction.\n THREE.Object3D.DEFAULT_UP = new THREE.Vector3(0, 0, 1);\n\n // Scale\n if (this.options.unitsPerAu) {\n setScaleFactor(this.options.unitsPerAu);\n }\n\n // stats.js panel\n this.stats = undefined;\n this.fps = 1;\n\n this.lastUpdatedTime = Date.now();\n this.lastStaticCameraUpdateTime = Date.now();\n this.lastResizeUpdateTime = Date.now();\n\n // Rendering\n this.renderEnabled = true;\n this.initialRenderComplete = false;\n this.animate = this.animate.bind(this);\n\n this.renderer = this.initRenderer();\n this.scene = new THREE.Scene();\n this.camera = new Camera(this.getContext());\n this.composer = undefined;\n\n // Orbit particle system must be initialized after scene is created and\n // scale is set.\n this.particles = new KeplerParticles(\n {\n textureUrl:\n this.options.particleTextureUrl ||\n '{{assets}}/sprites/smallparticle.png',\n jd: this.jd,\n maxNumParticles: this.options.maxNumParticles,\n defaultSize: this.options.particleDefaultSize,\n },\n this,\n );\n\n this.init();\n this.animate();\n }\n\n /**\n * @private\n */\n private init() {\n // Camera\n this.camera\n .get3jsCamera()\n .position.set(\n this.cameraDefaultPos[0],\n this.cameraDefaultPos[1],\n this.cameraDefaultPos[2],\n );\n // window.cam = camera.get3jsCamera();\n\n // Events\n this.simulationElt.onmousedown = this.simulationElt.ontouchstart = () => {\n // When user begins interacting with the visualization, disable camera\n // drift.\n this.enableCameraDrift = false;\n };\n\n (() => {\n let listenToCameraEvents = false;\n this.camera.get3jsCameraControls().addEventListener('change', () => {\n // Camera will send a few initial events - ignore these.\n if (listenToCameraEvents) {\n this.staticForcedUpdate();\n }\n });\n setTimeout(() => {\n // Send an update when the visualization is done loading.\n this.staticForcedUpdate();\n listenToCameraEvents = true;\n this.initialRenderComplete = true;\n }, 0);\n })();\n\n this.simulationElt.addEventListener('resize', () => {\n this.resizeUpdate();\n });\n\n window.addEventListener('resize', () => {\n this.resizeUpdate();\n });\n\n // Helper\n if (this.options.debug) {\n if (this.options.debug.showGrid) {\n const gridHelper = new THREE.GridHelper(undefined, undefined);\n gridHelper.geometry.rotateX(Math.PI / 2);\n this.scene.add(gridHelper);\n }\n if (this.options.debug.showAxes) {\n this.scene.add(new THREE.AxesHelper(0.5));\n }\n if (this.options.debug.showStats) {\n this.stats = new (Stats as any)();\n this.stats!.showPanel(0);\n this.simulationElt.appendChild(this.stats!.dom);\n }\n }\n\n // Set up effect composer, etc.\n this.initPasses();\n }\n\n /**\n * @private\n */\n private initRenderer(): THREE.WebGLRenderer {\n // TODO(ian): Upgrade to webgl 2. See https://discourse.threejs.org/t/webgl2-breaking-custom-shader/16603/4\n const renderer = new THREE.WebGLRenderer({\n antialias: true,\n //logarithmicDepthBuffer: true,\n });\n console.info(\n 'Max texture resolution:',\n renderer.capabilities.maxTextureSize,\n );\n\n const maxPrecision = renderer.capabilities.getMaxPrecision('highp');\n if (maxPrecision !== 'highp') {\n console.warn(\n `Shader maximum precision is \"${maxPrecision}\", GPU rendering may not be accurate.`,\n );\n }\n\n renderer.setPixelRatio(window.devicePixelRatio);\n renderer.setSize(\n this.simulationElt.offsetWidth,\n this.simulationElt.offsetHeight,\n );\n\n this.simulationElt.appendChild(renderer.domElement);\n\n return renderer;\n }\n\n /**\n * @private\n */\n private initPasses() {\n //const smaaEffect = new SMAAEffect(assets.get(\"smaa-search\"), assets.get(\"smaa-area\"));\n //smaaEffect.colorEdgesMaterial.setEdgeDetectionThreshold(0.065);\n\n const camera = this.camera.get3jsCamera();\n\n /*\n const sunGeometry = new THREE.SphereBufferGeometry(\n rescaleNumber(0.004),\n 16,\n );\n const sunMaterial = new THREE.MeshBasicMaterial({\n color: 0xffddaa,\n transparent: true,\n depthWrite: false,\n fog: false,\n });\n const sun = new THREE.Mesh(sunGeometry, sunMaterial);\n const rescaled = rescaleArray([0.1, 0.1, 0.0]);\n sun.position.set(rescaled[0], rescaled[1], rescaled[2]);\n sun.updateMatrix();\n sun.updateMatrixWorld();\n\n const godRaysEffect = new GodRaysEffect(camera, sun, {\n color: 0xfff5f2,\n blur: false,\n });\n */\n //godRaysEffect.dithering = true;\n\n const bloomEffect = new BloomEffect({\n width: 240,\n height: 240,\n luminanceThreshold: 0.2,\n });\n bloomEffect.blendMode.opacity.value = 2.3;\n\n const renderPass = new RenderPass(this.scene, camera);\n renderPass.renderToScreen = false;\n\n const effectPass = new EffectPass(\n camera,\n /*smaaEffect, godRaysEffect*/ bloomEffect,\n );\n effectPass.renderToScreen = true;\n\n const composer = new EffectComposer(this.renderer);\n composer.addPass(renderPass);\n composer.addPass(effectPass);\n this.composer = composer;\n }\n\n /**\n * @private\n */\n private update(force = false) {\n for (const objId in this.subscribedObjects) {\n if (this.subscribedObjects.hasOwnProperty(objId) && !this.neverUpdatedObjects.has(objId)) {\n const obj = this.subscribedObjects[objId];\n if (obj.isVisible()) { // dont update if not visible\n obj.update(this.jd, force);\n }\n }\n }\n }\n\n /**\n * Performs a forced update of all elements in the view. This is used for when the system isn't animating but the\n * objects need to update their data to properly capture things like updated label positions.\n * @private\n */\n private staticForcedUpdate() {\n if (this.isPaused) {\n const now = Date.now();\n const timeDelta = now - this.lastStaticCameraUpdateTime;\n const threshold = 30;\n // TODO(ian): Also do this based on viewport change. Otherwise things like scrolling don't work well.\n if (timeDelta > threshold) {\n this.update(true /* force */);\n this.lastStaticCameraUpdateTime = now;\n }\n }\n }\n\n /**\n * @private\n * Updates the size of the control and forces a refresh of components whenever the control is being resized.\n */\n private resizeUpdate() {\n const now = Date.now();\n const timeDelta = now - this.lastResizeUpdateTime;\n const threshold = 30;\n\n if (timeDelta > threshold) {\n const newWidth = this.simulationElt.offsetWidth;\n const newHeight = this.simulationElt.offsetHeight;\n if (newWidth === 0 && newHeight === 0) {\n return;\n }\n const camera = this.camera.get3jsCamera();\n camera.aspect = newWidth / newHeight;\n camera.updateProjectionMatrix();\n this.renderer.setSize(newWidth, newHeight);\n this.staticForcedUpdate();\n this.lastResizeUpdateTime = now;\n }\n }\n\n /**\n * @private\n * TODO(ian): Move this into Camera\n */\n private doCameraDrift() {\n // Follow floating path around\n const timer = 0.0001 * Date.now();\n const pos = this.cameraDefaultPos;\n const cam = this.camera.get3jsCamera();\n cam.position.x = pos[0] + (pos[0] * (Math.cos(timer) + 1)) / 3;\n cam.position.z = pos[2] + (pos[2] * (Math.sin(timer) + 1)) / 3;\n }\n\n /**\n * @private\n */\n private animate() {\n if (!this.renderEnabled && this.initialRenderComplete) {\n return;\n }\n\n window.requestAnimationFrame(this.animate);\n\n if (this.stats) {\n this.stats.begin();\n }\n\n if (!this.isPaused) {\n if (this.jdDelta) {\n this.jd += this.jdDelta;\n } else {\n // N jd per second\n this.jd += this.jdPerSecond / this.fps;\n }\n\n const timeDelta = (Date.now() - this.lastUpdatedTime) / 1000;\n this.lastUpdatedTime = Date.now();\n this.fps = 1 / timeDelta || 1;\n\n // Update objects in this simulation\n this.update();\n }\n\n // Update camera drifting, if applicable\n if (this.enableCameraDrift) {\n this.doCameraDrift();\n }\n this.camera.update();\n\n // Update three.js scene\n this.renderer.render(this.scene, this.camera.get3jsCamera());\n //this.composer.render(0.1);\n\n if (this.onTick) {\n this.onTick();\n }\n\n if (this.stats) {\n this.stats.end();\n }\n }\n\n /**\n * Add a spacekit object (usually a SpaceObject) to the visualization.\n * @see SpaceObject\n * @param {Object} obj Object to add to visualization\n * @param {boolean} noUpdate Set to true if object does not need to be\n * animated.\n */\n addObject(obj: SimulationObject, noUpdate: boolean = false) {\n obj.get3jsObjects().map((x) => {\n this.scene.add(x);\n });\n\n // Call for updates as time passes.\n const objId = obj.getId();\n if (this.subscribedObjects[objId]) {\n console.error(\n `Object id is not unique: \"${objId}\". This could prevent objects from updating correctly.`,\n );\n }\n\n this.subscribedObjects[objId] = obj;\n if (noUpdate) {\n this.neverUpdatedObjects.add(obj.getId());\n }\n }\n\n /**\n * Get an object previously added to the simulation.\n * @return {Object} The SimulationObject.\n */\n getObject(id: string): SimulationObject | undefined {\n return this.subscribedObjects[id];\n }\n\n /**\n * Removes an object from the visualization.\n * @param {Object} obj Object to remove\n */\n removeObject(obj: SimulationObject) {\n if (!this.subscribedObjects[obj.getId()]) {\n return // already removed\n }\n\n // TODO(ian): test this and avoid memory leaks...\n obj.get3jsObjects().map((x) => {\n this.scene.remove(x);\n });\n\n if (typeof obj.removalCleanup === 'function') {\n obj.removalCleanup();\n }\n delete this.subscribedObjects[obj.getId()];\n this.neverUpdatedObjects.delete(obj.getId());\n }\n\n /**\n * Removes all objects from the visualization and free all resources.\n */\n removalCleanup() {\n this.renderEnabled = false;\n\n for (const objId in this.subscribedObjects) {\n if (this.subscribedObjects.hasOwnProperty(objId)) {\n this.removeObject(this.subscribedObjects[objId]);\n }\n }\n\n const renderer = this.getRenderer();\n renderer.dispose();\n renderer.domElement.remove();\n this.scene.clear();\n renderer.forceContextLoss();\n }\n\n /**\n * Shortcut for creating a new SpaceObject belonging to this visualization.\n * Takes any SpaceObject arguments.\n * @see SpaceObject\n */\n // @ts-ignore\n createObject(...args): SpaceObject {\n // @ts-ignore\n return new SpaceObject(...args, this);\n }\n\n /**\n * Shortcut for creating a new ShapeObject belonging to this visualization.\n * Takes any ShapeObject arguments.\n * @see ShapeObject\n */\n // @ts-ignore\n createShape(...args): ShapeObject {\n // @ts-ignore\n return new ShapeObject(...args, this);\n }\n\n /**\n * Shortcut for creating a new SphereOjbect belonging to this visualization.\n * Takes any SphereObject arguments.\n * @see SphereObject\n */\n // @ts-ignore\n createSphere(...args): SphereObject {\n // @ts-ignore\n return new SphereObject(...args, this);\n }\n\n /**\n * Shortcut for creating a new StaticParticles object belonging to this visualization.\n * Takes any StaticParticles arguments.\n * @see SphereObject\n */\n // @ts-ignore\n createStaticParticles(...args): StaticParticles {\n // @ts-ignore\n return new StaticParticles(...args, this);\n }\n\n /**\n * Shortcut for creating a new Skybox belonging to this visualization. Takes\n * any Skybox arguments.\n * @see Skybox\n */\n // @ts-ignore\n createSkybox(...args): Skybox {\n // @ts-ignore\n return new Skybox(...args, this);\n }\n\n /**\n * Shortcut for creating a new Stars object belonging to this visualization.\n * Takes any Stars arguments.\n * @see Stars\n */\n // @ts-ignore\n createStars(...args): Stars {\n if (args.length) {\n // @ts-ignore\n return new Stars(...args, this);\n }\n // No arguments supplied\n return new Stars({}, this);\n }\n\n /**\n * Creates an ambient light source. This will dimly light everything in the\n * visualization.\n * @param {Number} color Color of light, default 0x333333\n */\n createAmbientLight(color: number = 0x333333) {\n const light = new THREE.AmbientLight(color);\n light.name = 'ambient-light';\n this.scene.add(light);\n this.useLightSources = true;\n }\n\n /**\n * Creates a light source. This will make the shape of your objects visible\n * and provide some contrast.\n * @param {Array.} pos Position of light source. Defaults to moving\n * with camera.\n * @param {Number} color Color of light, default 0xFFFFFF\n */\n createLight(\n pos: Coordinate3d | undefined = undefined,\n color: number = 0xffffff,\n ) {\n if (this.lightPosition) {\n console.warn(\n \"Spacekit doesn't support more than one light source for SphereObjects\",\n );\n }\n this.lightPosition = new THREE.Vector3();\n\n // Pointlight is for standard meshes created by ShapeObjects.\n // TODO(ian): Remove this point light.\n const pointLight = new THREE.PointLight();\n\n if (typeof pos === 'undefined') {\n // The light comes from the camera.\n // FIXME(ian): This only affects the point source.\n this.camera.get3jsCameraControls().addEventListener('change', () => {\n this.lightPosition!.copy(this.camera.get3jsCamera().position);\n pointLight.position.copy(this.camera.get3jsCamera().position);\n });\n } else {\n const rescaled = rescaleArray(pos);\n this.lightPosition.set(rescaled[0], rescaled[1], rescaled[2]);\n pointLight.position.set(rescaled[0], rescaled[1], rescaled[2]);\n }\n\n pointLight.name = 'point-light';\n this.scene.add(pointLight);\n this.useLightSources = true;\n }\n\n getLightPosition(): Vector3 | undefined {\n return this.lightPosition;\n }\n\n isUsingLightSources(): boolean {\n return this.useLightSources;\n }\n\n /**\n * Returns a promise that receives a NaturalSatellites object when it is\n * resolved.\n * @return {Promise} NaturalSatellites object that is\n * ready to load.\n *\n * @see {NaturalSatellites}\n */\n loadNaturalSatellites(): Promise {\n return new NaturalSatellites(this).load();\n }\n\n /**\n * Installs a scroll handler that only renders the visualization while it is\n * in the user's viewport.\n *\n * The scroll handler currently binds to the window object only.\n */\n renderOnlyInViewport() {\n let previouslyInView = true;\n const isInView = () => {\n const rect = this.simulationElt.getBoundingClientRect();\n const windowHeight =\n window.innerHeight || document.documentElement.clientHeight;\n const windowWidth =\n window.innerWidth || document.documentElement.clientWidth;\n const vertInView =\n rect.top <= windowHeight && rect.top + rect.height >= 0;\n const horInView = rect.left <= windowWidth && rect.left + rect.width >= 0;\n\n return vertInView && horInView;\n };\n\n window.addEventListener('scroll', () => {\n const inView = isInView();\n if (previouslyInView && !inView) {\n // Went out of view\n this.renderEnabled = false;\n previouslyInView = false;\n } else if (!previouslyInView && inView) {\n // Came into view\n this.renderEnabled = true;\n window.requestAnimationFrame(this.animate);\n previouslyInView = true;\n }\n });\n\n if (!isInView()) {\n // Initial state is render enabled, so disable it if currently out of\n // view.\n this.renderEnabled = false;\n previouslyInView = false;\n }\n }\n\n /**\n * Adjust camera position so that the object fits within the viewport. If\n * applicable, this function will fit around the object's orbit.\n * @param {SpaceObject} spaceObj Object to fit within viewport.\n * @param {Number} offset Add some extra room in the viewport. Increase to be\n * further zoomed out, decrease to be closer. Default 3.0.\n */\n async zoomToFit(\n spaceObj: SpaceObject,\n offset: number = 3.0,\n ): Promise {\n const orbit = spaceObj.getOrbit();\n const obj = orbit\n ? orbit.getOrbitShape()\n : await spaceObj.getBoundingObject();\n if (obj) {\n this.doZoomToFit(obj, offset);\n return true;\n }\n return false;\n }\n\n /**\n * @private\n * Perform the actual zoom to fit behavior.\n * @param {Object3D} obj Three.js object to fit within viewport.\n * @param {Number} offset Add some extra room in the viewport. Increase to be\n * further zoomed out, decrease to be closer. Default 3.0.\n */\n private doZoomToFit(obj: Object3D, offset: number) {\n const boundingBox = new THREE.Box3();\n boundingBox.setFromObject(obj);\n\n const center = new THREE.Vector3();\n boundingBox.getCenter(center);\n const size = new THREE.Vector3();\n boundingBox.getSize(size);\n\n // Get the max side of the bounding box (fits to width OR height as needed)\n const camera = this.camera.get3jsCamera();\n const maxDim = Math.max(size.x, size.y, size.z);\n const fov = camera.fov * (Math.PI / 180);\n const cameraZ = Math.abs((maxDim / 2) * Math.tan(fov * 2)) * offset;\n\n const objectWorldPosition = new THREE.Vector3();\n obj.getWorldPosition(objectWorldPosition);\n const directionVector = camera.position.sub(objectWorldPosition); // Get vector from camera to object\n const unitDirectionVector = directionVector.normalize(); // Convert to unit vector\n\n const newpos = unitDirectionVector.multiplyScalar(cameraZ);\n camera.position.x = newpos.x;\n camera.position.y = newpos.y;\n camera.position.z = newpos.z;\n camera.updateProjectionMatrix();\n\n // Update default camera pos so if drift is on, camera will drift around\n // its new position.\n this.cameraDefaultPos = [newpos.x, newpos.y, newpos.z];\n }\n\n /**\n * Run the animation\n */\n start() {\n this.lastUpdatedTime = Date.now();\n this.isPaused = false;\n }\n\n /**\n * Stop the animation\n */\n stop() {\n this.isPaused = true;\n }\n\n /**\n * Gets the current JD date of the simulation\n * @return {Number} JD date\n */\n getJd(): number {\n return this.jd;\n }\n\n /**\n * Sets the JD date of the simulation.\n * @param {Number} val JD date\n */\n setJd(val: number) {\n this.jd = val;\n this.update(true);\n }\n\n /**\n * Get a date object representing local date and time of the simulation.\n * @return {Date} Date of simulation\n */\n getDate(): Date {\n return julian.toDate(this.jd);\n }\n\n /**\n * Set the local date and time of the simulation.\n * @param {Date} date Date of simulation\n */\n setDate(date: Date) {\n this.setJd(Number(julian(date)));\n }\n\n /**\n * Get the JD per frame of the visualization.\n */\n getJdDelta() {\n if (!this.jdDelta) {\n return this.jdPerSecond / this.fps;\n }\n return this.jdDelta;\n }\n\n /**\n * Set the JD per frame of the visualization. This will override any\n * existing \"JD per second\" setting.\n * @param {Number} delta JD per frame\n */\n setJdDelta(delta: number) {\n this.jdDelta = delta;\n }\n\n /**\n * Get the JD change per second of the visualization.\n * @return {Number | undefined} JD per second, undefined if jd per second is\n * not set.\n */\n getJdPerSecond(): number | undefined {\n if (this.jdDelta) {\n // Jd per second can vary\n return undefined;\n }\n return this.jdPerSecond;\n }\n\n /**\n * Set the JD change per second of the visualization.\n * @param {Number} x JD per second\n */\n setJdPerSecond(x: number) {\n // Delta overrides jd per second, so unset it.\n this.jdDelta = undefined;\n\n this.jdPerSecond = x;\n }\n\n /**\n * Get an object that contains useful context for this visualization\n * @return {Object} Context object\n */\n getContext(): SimulationContext {\n return {\n simulation: this,\n options: this.options,\n objects: {\n particles: this.particles,\n camera: this.camera,\n scene: this.scene,\n renderer: this.renderer,\n composer: this.composer,\n },\n container: {\n width: this.simulationElt.offsetWidth,\n height: this.simulationElt.offsetHeight,\n },\n };\n }\n\n /**\n * Get the element containing this simulation\n * @return {HTMLElement} The html container of this simulation\n */\n getSimulationElement(): HTMLCanvasElement {\n return this.simulationElt;\n }\n\n /**\n * Get the Camera and CameraControls wrapper object\n * @return {Camera} The Camera wrapper\n */\n getViewer(): Camera {\n return this.camera;\n }\n\n /**\n * Get the three.js scene object\n * @return {THREE.Scene} The THREE.js scene object\n */\n getScene(): THREE.Scene {\n return this.scene;\n }\n\n /**\n * Get the three.js renderer\n * @return {THREE.WebGLRenderer} The THREE.js renderer\n */\n getRenderer(): THREE.WebGLRenderer {\n return this.renderer;\n }\n\n /**\n * Enable or disable camera drift.\n * @param {boolean} driftOn True if you want the camera to float around a bit\n */\n setCameraDrift(driftOn: boolean) {\n this.enableCameraDrift = driftOn;\n }\n}\n\nexport default Simulation;\n", "var Stats = function () {\n\n\tvar mode = 0;\n\n\tvar container = document.createElement( 'div' );\n\tcontainer.style.cssText = 'position:fixed;top:0;left:0;cursor:pointer;opacity:0.9;z-index:10000';\n\tcontainer.addEventListener( 'click', function ( event ) {\n\n\t\tevent.preventDefault();\n\t\tshowPanel( ++ mode % container.children.length );\n\n\t}, false );\n\n\t//\n\n\tfunction addPanel( panel ) {\n\n\t\tcontainer.appendChild( panel.dom );\n\t\treturn panel;\n\n\t}\n\n\tfunction showPanel( id ) {\n\n\t\tfor ( var i = 0; i < container.children.length; i ++ ) {\n\n\t\t\tcontainer.children[ i ].style.display = i === id ? 'block' : 'none';\n\n\t\t}\n\n\t\tmode = id;\n\n\t}\n\n\t//\n\n\tvar beginTime = ( performance || Date ).now(), prevTime = beginTime, frames = 0;\n\n\tvar fpsPanel = addPanel( new Stats.Panel( 'FPS', '#0ff', '#002' ) );\n\tvar msPanel = addPanel( new Stats.Panel( 'MS', '#0f0', '#020' ) );\n\n\tif ( self.performance && self.performance.memory ) {\n\n\t\tvar memPanel = addPanel( new Stats.Panel( 'MB', '#f08', '#201' ) );\n\n\t}\n\n\tshowPanel( 0 );\n\n\treturn {\n\n\t\tREVISION: 16,\n\n\t\tdom: container,\n\n\t\taddPanel: addPanel,\n\t\tshowPanel: showPanel,\n\n\t\tbegin: function () {\n\n\t\t\tbeginTime = ( performance || Date ).now();\n\n\t\t},\n\n\t\tend: function () {\n\n\t\t\tframes ++;\n\n\t\t\tvar time = ( performance || Date ).now();\n\n\t\t\tmsPanel.update( time - beginTime, 200 );\n\n\t\t\tif ( time >= prevTime + 1000 ) {\n\n\t\t\t\tfpsPanel.update( ( frames * 1000 ) / ( time - prevTime ), 100 );\n\n\t\t\t\tprevTime = time;\n\t\t\t\tframes = 0;\n\n\t\t\t\tif ( memPanel ) {\n\n\t\t\t\t\tvar memory = performance.memory;\n\t\t\t\t\tmemPanel.update( memory.usedJSHeapSize / 1048576, memory.jsHeapSizeLimit / 1048576 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn time;\n\n\t\t},\n\n\t\tupdate: function () {\n\n\t\t\tbeginTime = this.end();\n\n\t\t},\n\n\t\t// Backwards Compatibility\n\n\t\tdomElement: container,\n\t\tsetMode: showPanel\n\n\t};\n\n};\n\nStats.Panel = function ( name, fg, bg ) {\n\n\tvar min = Infinity, max = 0, round = Math.round;\n\tvar PR = round( window.devicePixelRatio || 1 );\n\n\tvar WIDTH = 80 * PR, HEIGHT = 48 * PR,\n\t\tTEXT_X = 3 * PR, TEXT_Y = 2 * PR,\n\t\tGRAPH_X = 3 * PR, GRAPH_Y = 15 * PR,\n\t\tGRAPH_WIDTH = 74 * PR, GRAPH_HEIGHT = 30 * PR;\n\n\tvar canvas = document.createElement( 'canvas' );\n\tcanvas.width = WIDTH;\n\tcanvas.height = HEIGHT;\n\tcanvas.style.cssText = 'width:80px;height:48px';\n\n\tvar context = canvas.getContext( '2d' );\n\tcontext.font = 'bold ' + ( 9 * PR ) + 'px Helvetica,Arial,sans-serif';\n\tcontext.textBaseline = 'top';\n\n\tcontext.fillStyle = bg;\n\tcontext.fillRect( 0, 0, WIDTH, HEIGHT );\n\n\tcontext.fillStyle = fg;\n\tcontext.fillText( name, TEXT_X, TEXT_Y );\n\tcontext.fillRect( GRAPH_X, GRAPH_Y, GRAPH_WIDTH, GRAPH_HEIGHT );\n\n\tcontext.fillStyle = bg;\n\tcontext.globalAlpha = 0.9;\n\tcontext.fillRect( GRAPH_X, GRAPH_Y, GRAPH_WIDTH, GRAPH_HEIGHT );\n\n\treturn {\n\n\t\tdom: canvas,\n\n\t\tupdate: function ( value, maxValue ) {\n\n\t\t\tmin = Math.min( min, value );\n\t\t\tmax = Math.max( max, value );\n\n\t\t\tcontext.fillStyle = bg;\n\t\t\tcontext.globalAlpha = 1;\n\t\t\tcontext.fillRect( 0, 0, WIDTH, GRAPH_Y );\n\t\t\tcontext.fillStyle = fg;\n\t\t\tcontext.fillText( round( value ) + ' ' + name + ' (' + round( min ) + '-' + round( max ) + ')', TEXT_X, TEXT_Y );\n\n\t\t\tcontext.drawImage( canvas, GRAPH_X + PR, GRAPH_Y, GRAPH_WIDTH - PR, GRAPH_HEIGHT, GRAPH_X, GRAPH_Y, GRAPH_WIDTH - PR, GRAPH_HEIGHT );\n\n\t\t\tcontext.fillRect( GRAPH_X + GRAPH_WIDTH - PR, GRAPH_Y, PR, GRAPH_HEIGHT );\n\n\t\t\tcontext.fillStyle = bg;\n\t\t\tcontext.globalAlpha = 0.9;\n\t\t\tcontext.fillRect( GRAPH_X + GRAPH_WIDTH - PR, GRAPH_Y, PR, round( ( 1 - ( value / maxValue ) ) * GRAPH_HEIGHT ) );\n\n\t\t}\n\n\t};\n\n};\n\nexport default Stats;\n", "/**\n * postprocessing v6.36.7 build Thu Feb 06 2025\n * https://github.com/pmndrs/postprocessing\n * Copyright 2015-2025 Raoul van R\u00FCschen\n * @license Zlib\n */\n\n// package.json\nvar version = \"6.36.7\";\n\n// src/core/Disposable.js\nvar Disposable = class {\n /**\n * Frees internal resources.\n */\n dispose() {\n }\n};\n\n// src/core/EffectComposer.js\nimport {\n DepthStencilFormat,\n DepthTexture,\n LinearFilter as LinearFilter2,\n SRGBColorSpace as SRGBColorSpace2,\n UnsignedByteType as UnsignedByteType2,\n UnsignedIntType,\n UnsignedInt248Type,\n Vector2,\n WebGLRenderTarget as WebGLRenderTarget3\n} from \"three\";\n\n// src/core/Timer.js\nvar MILLISECONDS_TO_SECONDS = 1 / 1e3;\nvar SECONDS_TO_MILLISECONDS = 1e3;\nvar Timer = class {\n /**\n * Constructs a new timer.\n */\n constructor() {\n this.startTime = performance.now();\n this.previousTime = 0;\n this.currentTime = 0;\n this._delta = 0;\n this._elapsed = 0;\n this._fixedDelta = 1e3 / 60;\n this.timescale = 1;\n this.useFixedDelta = false;\n this._autoReset = false;\n }\n /**\n * Enables or disables auto reset based on page visibility.\n *\n * If enabled, the timer will be reset when the page becomes visible. This effectively pauses the timer when the page\n * is hidden. Has no effect if the API is not supported.\n *\n * @type {Boolean}\n * @see https://developer.mozilla.org/en-US/docs/Web/API/Page_Visibility_API\n */\n get autoReset() {\n return this._autoReset;\n }\n set autoReset(value) {\n if (typeof document !== \"undefined\" && document.hidden !== void 0) {\n if (value) {\n document.addEventListener(\"visibilitychange\", this);\n } else {\n document.removeEventListener(\"visibilitychange\", this);\n }\n this._autoReset = value;\n }\n }\n get delta() {\n return this._delta * MILLISECONDS_TO_SECONDS;\n }\n get fixedDelta() {\n return this._fixedDelta * MILLISECONDS_TO_SECONDS;\n }\n set fixedDelta(value) {\n this._fixedDelta = value * SECONDS_TO_MILLISECONDS;\n }\n get elapsed() {\n return this._elapsed * MILLISECONDS_TO_SECONDS;\n }\n /**\n * Updates this timer.\n *\n * @param {Boolean} [timestamp] - The current time in milliseconds.\n */\n update(timestamp) {\n if (this.useFixedDelta) {\n this._delta = this.fixedDelta;\n } else {\n this.previousTime = this.currentTime;\n this.currentTime = (timestamp !== void 0 ? timestamp : performance.now()) - this.startTime;\n this._delta = this.currentTime - this.previousTime;\n }\n this._delta *= this.timescale;\n this._elapsed += this._delta;\n }\n /**\n * Resets this timer.\n */\n reset() {\n this._delta = 0;\n this._elapsed = 0;\n this.currentTime = performance.now() - this.startTime;\n }\n getDelta() {\n return this.delta;\n }\n getElapsed() {\n return this.elapsed;\n }\n handleEvent(e) {\n if (!document.hidden) {\n this.currentTime = performance.now() - this.startTime;\n }\n }\n dispose() {\n this.autoReset = false;\n }\n};\n\n// src/passes/Pass.js\nimport {\n BasicDepthPacking,\n BufferAttribute,\n BufferGeometry,\n Camera,\n Material,\n Mesh,\n Scene,\n Texture,\n WebGLRenderTarget\n} from \"three\";\nvar fullscreenGeometry = /* @__PURE__ */ (() => {\n const vertices = new Float32Array([-1, -1, 0, 3, -1, 0, -1, 3, 0]);\n const uvs = new Float32Array([0, 0, 2, 0, 0, 2]);\n const geometry = new BufferGeometry();\n geometry.setAttribute(\"position\", new BufferAttribute(vertices, 3));\n geometry.setAttribute(\"uv\", new BufferAttribute(uvs, 2));\n return geometry;\n})();\nvar Pass = class _Pass {\n /**\n * A shared fullscreen triangle.\n *\n * The screen size is 2x2 units (NDC). A triangle needs to be 4x4 units to fill the screen.\n * @see https://michaldrobot.com/2014/04/01/gcn-execution-patterns-in-full-screen-passes/\n * @type {BufferGeometry}\n * @internal\n */\n static get fullscreenGeometry() {\n return fullscreenGeometry;\n }\n /**\n * Constructs a new pass.\n *\n * @param {String} [name] - The name of this pass. Does not have to be unique.\n * @param {Scene} [scene] - The scene to render. The default scene contains a single mesh that fills the screen.\n * @param {Camera} [camera] - A camera. Fullscreen effect passes don't require a camera.\n */\n constructor(name = \"Pass\", scene = new Scene(), camera = new Camera()) {\n this.name = name;\n this.renderer = null;\n this.scene = scene;\n this.camera = camera;\n this.screen = null;\n this.rtt = true;\n this.needsSwap = true;\n this.needsDepthTexture = false;\n this.enabled = true;\n }\n /**\n * Sets the render to screen flag.\n *\n * If this flag is changed, the fullscreen material will be updated as well.\n *\n * @type {Boolean}\n */\n get renderToScreen() {\n return !this.rtt;\n }\n set renderToScreen(value) {\n if (this.rtt === value) {\n const material = this.fullscreenMaterial;\n if (material !== null) {\n material.needsUpdate = true;\n }\n this.rtt = !value;\n }\n }\n /**\n * Sets the main scene.\n *\n * @type {Scene}\n */\n set mainScene(value) {\n }\n /**\n * Sets the main camera.\n *\n * @type {Camera}\n */\n set mainCamera(value) {\n }\n /**\n * Sets the renderer\n *\n * @deprecated\n * @param {WebGLRenderer} renderer - The renderer.\n */\n setRenderer(renderer) {\n this.renderer = renderer;\n }\n /**\n * Indicates whether this pass is enabled.\n *\n * @deprecated Use enabled instead.\n * @return {Boolean} Whether this pass is enabled.\n */\n isEnabled() {\n return this.enabled;\n }\n /**\n * Enables or disables this pass.\n *\n * @deprecated Use enabled instead.\n * @param {Boolean} value - Whether the pass should be enabled.\n */\n setEnabled(value) {\n this.enabled = value;\n }\n /**\n * The fullscreen material.\n *\n * @type {Material}\n */\n get fullscreenMaterial() {\n return this.screen !== null ? this.screen.material : null;\n }\n set fullscreenMaterial(value) {\n let screen = this.screen;\n if (screen !== null) {\n screen.material = value;\n } else {\n screen = new Mesh(_Pass.fullscreenGeometry, value);\n screen.frustumCulled = false;\n if (this.scene === null) {\n this.scene = new Scene();\n }\n this.scene.add(screen);\n this.screen = screen;\n }\n }\n /**\n * Returns the current fullscreen material.\n *\n * @deprecated Use fullscreenMaterial instead.\n * @return {Material} The current fullscreen material, or null if there is none.\n */\n getFullscreenMaterial() {\n return this.fullscreenMaterial;\n }\n /**\n * Sets the fullscreen material.\n *\n * @deprecated Use fullscreenMaterial instead.\n * @protected\n * @param {Material} value - A fullscreen material.\n */\n setFullscreenMaterial(value) {\n this.fullscreenMaterial = value;\n }\n /**\n * Returns the current depth texture.\n *\n * @return {Texture} The current depth texture, or null if there is none.\n */\n getDepthTexture() {\n return null;\n }\n /**\n * Sets the depth texture.\n *\n * This method will be called automatically by the {@link EffectComposer}.\n * You may override this method if your pass relies on the depth information of a preceding {@link RenderPass}.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategy} [depthPacking=BasicDepthPacking] - The depth packing.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking) {\n }\n /**\n * Renders this pass.\n *\n * This is an abstract method that must be overridden.\n *\n * @abstract\n * @throws {Error} An error is thrown if the method is not overridden.\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n throw new Error(\"Render method not implemented!\");\n }\n /**\n * Sets the size.\n *\n * You may override this method if you want to be informed about the size of the backbuffer/canvas.\n * This method is called before {@link initialize} and every time the size of the {@link EffectComposer} changes.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n }\n /**\n * Performs initialization tasks.\n *\n * This method is called when this pass is added to an {@link EffectComposer}.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n }\n /**\n * Performs a shallow search for disposable properties and deletes them.\n *\n * The {@link EffectComposer} calls this method when it is being destroyed. You can use it independently to free\n * memory when you're certain that you don't need this pass anymore.\n */\n dispose() {\n for (const key of Object.keys(this)) {\n const property = this[key];\n const isDisposable = property instanceof WebGLRenderTarget || property instanceof Material || property instanceof Texture || property instanceof _Pass;\n if (isDisposable) {\n this[key].dispose();\n }\n }\n if (this.fullscreenMaterial !== null) {\n this.fullscreenMaterial.dispose();\n }\n }\n};\n\n// src/passes/ClearMaskPass.js\nvar ClearMaskPass = class extends Pass {\n /**\n * Constructs a new clear mask pass.\n */\n constructor() {\n super(\"ClearMaskPass\", null, null);\n this.needsSwap = false;\n }\n /**\n * Disables the global stencil test.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const stencil = renderer.state.buffers.stencil;\n stencil.setLocked(false);\n stencil.setTest(false);\n }\n};\n\n// src/passes/CopyPass.js\nimport { LinearFilter, SRGBColorSpace, UnsignedByteType, WebGLRenderTarget as WebGLRenderTarget2 } from \"three\";\n\n// src/materials/CopyMaterial.js\nimport { NoBlending, ShaderMaterial, Uniform } from \"three\";\n\n// src/materials/glsl/copy.frag\nvar copy_default = \"#include \\n#include \\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform float opacity;varying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);gl_FragColor=opacity*texel;\\n#include \\n#include \\n}\";\n\n// src/materials/glsl/common.vert\nvar common_default = \"varying vec2 vUv;void main(){vUv=position.xy*0.5+0.5;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/CopyMaterial.js\nvar CopyMaterial = class extends ShaderMaterial {\n /**\n * Constructs a new copy material.\n */\n constructor() {\n super({\n name: \"CopyMaterial\",\n uniforms: {\n inputBuffer: new Uniform(null),\n opacity: new Uniform(1)\n },\n blending: NoBlending,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: copy_default,\n vertexShader: common_default\n });\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the input buffer.\n *\n * @deprecated Use inputBuffer instead.\n * @param {Number} value - The buffer.\n */\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Returns the opacity.\n *\n * @deprecated Use opacity instead.\n * @return {Number} The opacity.\n */\n getOpacity(value) {\n return this.uniforms.opacity.value;\n }\n /**\n * Sets the opacity.\n *\n * @deprecated Use opacity instead.\n * @param {Number} value - The opacity.\n */\n setOpacity(value) {\n this.uniforms.opacity.value = value;\n }\n};\n\n// src/passes/CopyPass.js\nvar CopyPass = class extends Pass {\n /**\n * Constructs a new save pass.\n *\n * @param {WebGLRenderTarget} [renderTarget] - A render target.\n * @param {Boolean} [autoResize=true] - Whether the render target size should be updated automatically.\n */\n constructor(renderTarget, autoResize = true) {\n super(\"CopyPass\");\n this.fullscreenMaterial = new CopyMaterial();\n this.needsSwap = false;\n this.renderTarget = renderTarget;\n if (renderTarget === void 0) {\n this.renderTarget = new WebGLRenderTarget2(1, 1, {\n minFilter: LinearFilter,\n magFilter: LinearFilter,\n stencilBuffer: false,\n depthBuffer: false\n });\n this.renderTarget.texture.name = \"CopyPass.Target\";\n }\n this.autoResize = autoResize;\n }\n /**\n * Enables or disables auto resizing of the render target.\n *\n * @deprecated Use autoResize instead.\n * @type {Boolean}\n */\n get resize() {\n return this.autoResize;\n }\n set resize(value) {\n this.autoResize = value;\n }\n /**\n * The output texture.\n *\n * @type {Texture}\n */\n get texture() {\n return this.renderTarget.texture;\n }\n /**\n * Returns the output texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.renderTarget.texture;\n }\n /**\n * Enables or disables auto resizing of the render target.\n *\n * @deprecated Use autoResize instead.\n * @param {Boolean} value - Whether the render target size should be updated automatically.\n */\n setAutoResizeEnabled(value) {\n this.autoResize = value;\n }\n /**\n * Saves the input buffer.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n this.fullscreenMaterial.inputBuffer = inputBuffer.texture;\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n renderer.render(this.scene, this.camera);\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n if (this.autoResize) {\n this.renderTarget.setSize(width, height);\n }\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - A renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0) {\n this.renderTarget.texture.type = frameBufferType;\n if (frameBufferType !== UnsignedByteType) {\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace) {\n this.renderTarget.texture.colorSpace = SRGBColorSpace;\n }\n }\n }\n};\n\n// src/passes/ClearPass.js\nimport { Color } from \"three\";\nvar color = /* @__PURE__ */ new Color();\nvar ClearPass = class extends Pass {\n /**\n * Constructs a new clear pass.\n *\n * @param {Boolean} [color=true] - Determines whether the color buffer should be cleared.\n * @param {Boolean} [depth=true] - Determines whether the depth buffer should be cleared.\n * @param {Boolean} [stencil=false] - Determines whether the stencil buffer should be cleared.\n */\n constructor(color2 = true, depth = true, stencil = false) {\n super(\"ClearPass\", null, null);\n this.needsSwap = false;\n this.color = color2;\n this.depth = depth;\n this.stencil = stencil;\n this.overrideClearColor = null;\n this.overrideClearAlpha = -1;\n }\n /**\n * Sets the clear flags.\n *\n * @param {Boolean} color - Whether the color buffer should be cleared.\n * @param {Boolean} depth - Whether the depth buffer should be cleared.\n * @param {Boolean} stencil - Whether the stencil buffer should be cleared.\n */\n setClearFlags(color2, depth, stencil) {\n this.color = color2;\n this.depth = depth;\n this.stencil = stencil;\n }\n /**\n * Returns the override clear color. Default is null.\n *\n * @deprecated Use overrideClearColor instead.\n * @return {Color} The clear color.\n */\n getOverrideClearColor() {\n return this.overrideClearColor;\n }\n /**\n * Sets the override clear color.\n *\n * @deprecated Use overrideClearColor instead.\n * @param {Color} value - The clear color.\n */\n setOverrideClearColor(value) {\n this.overrideClearColor = value;\n }\n /**\n * Returns the override clear alpha. Default is -1.\n *\n * @deprecated Use overrideClearAlpha instead.\n * @return {Number} The clear alpha.\n */\n getOverrideClearAlpha() {\n return this.overrideClearAlpha;\n }\n /**\n * Sets the override clear alpha.\n *\n * @deprecated Use overrideClearAlpha instead.\n * @param {Number} value - The clear alpha.\n */\n setOverrideClearAlpha(value) {\n this.overrideClearAlpha = value;\n }\n /**\n * Clears the input buffer or the screen.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const overrideClearColor = this.overrideClearColor;\n const overrideClearAlpha = this.overrideClearAlpha;\n const clearAlpha = renderer.getClearAlpha();\n const hasOverrideClearColor = overrideClearColor !== null;\n const hasOverrideClearAlpha = overrideClearAlpha >= 0;\n if (hasOverrideClearColor) {\n renderer.getClearColor(color);\n renderer.setClearColor(overrideClearColor, hasOverrideClearAlpha ? overrideClearAlpha : clearAlpha);\n } else if (hasOverrideClearAlpha) {\n renderer.setClearAlpha(overrideClearAlpha);\n }\n renderer.setRenderTarget(this.renderToScreen ? null : inputBuffer);\n renderer.clear(this.color, this.depth, this.stencil);\n if (hasOverrideClearColor) {\n renderer.setClearColor(color, clearAlpha);\n } else if (hasOverrideClearAlpha) {\n renderer.setClearAlpha(clearAlpha);\n }\n }\n};\n\n// src/passes/MaskPass.js\nvar MaskPass = class extends Pass {\n /**\n * Constructs a new mask pass.\n *\n * @param {Scene} scene - The scene to render.\n * @param {Camera} camera - The camera to use.\n */\n constructor(scene, camera) {\n super(\"MaskPass\", scene, camera);\n this.needsSwap = false;\n this.clearPass = new ClearPass(false, false, true);\n this.inverse = false;\n }\n set mainScene(value) {\n this.scene = value;\n }\n set mainCamera(value) {\n this.camera = value;\n }\n /**\n * Indicates whether the mask should be inverted.\n *\n * @type {Boolean}\n */\n get inverted() {\n return this.inverse;\n }\n set inverted(value) {\n this.inverse = value;\n }\n /**\n * Indicates whether this pass should clear the stencil buffer.\n *\n * @type {Boolean}\n * @deprecated Use clearPass.enabled instead.\n */\n get clear() {\n return this.clearPass.enabled;\n }\n set clear(value) {\n this.clearPass.enabled = value;\n }\n /**\n * Returns the internal clear pass.\n *\n * @deprecated Use clearPass.enabled instead.\n * @return {ClearPass} The clear pass.\n */\n getClearPass() {\n return this.clearPass;\n }\n /**\n * Indicates whether the mask is inverted.\n *\n * @deprecated Use inverted instead.\n * @return {Boolean} Whether the mask is inverted.\n */\n isInverted() {\n return this.inverted;\n }\n /**\n * Enables or disable mask inversion.\n *\n * @deprecated Use inverted instead.\n * @param {Boolean} value - Whether the mask should be inverted.\n */\n setInverted(value) {\n this.inverted = value;\n }\n /**\n * Renders the effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const context = renderer.getContext();\n const buffers = renderer.state.buffers;\n const scene = this.scene;\n const camera = this.camera;\n const clearPass = this.clearPass;\n const writeValue = this.inverted ? 0 : 1;\n const clearValue = 1 - writeValue;\n buffers.color.setMask(false);\n buffers.depth.setMask(false);\n buffers.color.setLocked(true);\n buffers.depth.setLocked(true);\n buffers.stencil.setTest(true);\n buffers.stencil.setOp(context.REPLACE, context.REPLACE, context.REPLACE);\n buffers.stencil.setFunc(context.ALWAYS, writeValue, 4294967295);\n buffers.stencil.setClear(clearValue);\n buffers.stencil.setLocked(true);\n if (this.clearPass.enabled) {\n if (this.renderToScreen) {\n clearPass.render(renderer, null);\n } else {\n clearPass.render(renderer, inputBuffer);\n clearPass.render(renderer, outputBuffer);\n }\n }\n if (this.renderToScreen) {\n renderer.setRenderTarget(null);\n renderer.render(scene, camera);\n } else {\n renderer.setRenderTarget(inputBuffer);\n renderer.render(scene, camera);\n renderer.setRenderTarget(outputBuffer);\n renderer.render(scene, camera);\n }\n buffers.color.setLocked(false);\n buffers.depth.setLocked(false);\n buffers.stencil.setLocked(false);\n buffers.stencil.setFunc(context.EQUAL, 1, 4294967295);\n buffers.stencil.setOp(context.KEEP, context.KEEP, context.KEEP);\n buffers.stencil.setLocked(true);\n }\n};\n\n// src/core/EffectComposer.js\nvar EffectComposer = class {\n /**\n * Constructs a new effect composer.\n *\n * @param {WebGLRenderer} renderer - The renderer that should be used.\n * @param {Object} [options] - The options.\n * @param {Boolean} [options.depthBuffer=true] - Whether the main render targets should have a depth buffer.\n * @param {Boolean} [options.stencilBuffer=false] - Whether the main render targets should have a stencil buffer.\n * @param {Boolean} [options.alpha] - Deprecated. Buffers are always RGBA since three r137.\n * @param {Number} [options.multisampling=0] - The number of samples used for multisample antialiasing. Requires WebGL 2.\n * @param {Number} [options.frameBufferType] - The type of the internal frame buffers. It's recommended to use HalfFloatType if possible.\n */\n constructor(renderer = null, {\n depthBuffer = true,\n stencilBuffer = false,\n multisampling = 0,\n frameBufferType\n } = {}) {\n this.renderer = null;\n this.inputBuffer = this.createBuffer(depthBuffer, stencilBuffer, frameBufferType, multisampling);\n this.outputBuffer = this.inputBuffer.clone();\n this.copyPass = new CopyPass();\n this.depthTexture = null;\n this.passes = [];\n this.timer = new Timer();\n this.autoRenderToScreen = true;\n this.setRenderer(renderer);\n }\n /**\n * The current amount of samples used for multisample anti-aliasing.\n *\n * @type {Number}\n */\n get multisampling() {\n return this.inputBuffer.samples || 0;\n }\n /**\n * Sets the amount of MSAA samples.\n *\n * Requires WebGL 2. Set to zero to disable multisampling.\n *\n * @type {Number}\n */\n set multisampling(value) {\n const buffer = this.inputBuffer;\n const multisampling = this.multisampling;\n if (multisampling > 0 && value > 0) {\n this.inputBuffer.samples = value;\n this.outputBuffer.samples = value;\n this.inputBuffer.dispose();\n this.outputBuffer.dispose();\n } else if (multisampling !== value) {\n this.inputBuffer.dispose();\n this.outputBuffer.dispose();\n this.inputBuffer = this.createBuffer(\n buffer.depthBuffer,\n buffer.stencilBuffer,\n buffer.texture.type,\n value\n );\n this.inputBuffer.depthTexture = this.depthTexture;\n this.outputBuffer = this.inputBuffer.clone();\n }\n }\n /**\n * Returns the internal timer.\n *\n * @return {Timer} The timer.\n */\n getTimer() {\n return this.timer;\n }\n /**\n * Returns the renderer.\n *\n * @return {WebGLRenderer} The renderer.\n */\n getRenderer() {\n return this.renderer;\n }\n /**\n * Sets the renderer.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n */\n setRenderer(renderer) {\n this.renderer = renderer;\n if (renderer !== null) {\n const size = renderer.getSize(new Vector2());\n const alpha = renderer.getContext().getContextAttributes().alpha;\n const frameBufferType = this.inputBuffer.texture.type;\n if (frameBufferType === UnsignedByteType2 && renderer.outputColorSpace === SRGBColorSpace2) {\n this.inputBuffer.texture.colorSpace = SRGBColorSpace2;\n this.outputBuffer.texture.colorSpace = SRGBColorSpace2;\n this.inputBuffer.dispose();\n this.outputBuffer.dispose();\n }\n renderer.autoClear = false;\n this.setSize(size.width, size.height);\n for (const pass of this.passes) {\n pass.initialize(renderer, alpha, frameBufferType);\n }\n }\n }\n /**\n * Replaces the current renderer with the given one.\n *\n * The auto clear mechanism of the provided renderer will be disabled. If the new render size differs from the\n * previous one, all passes will be updated.\n *\n * By default, the DOM element of the current renderer will automatically be removed from its parent node and the DOM\n * element of the new renderer will take its place.\n *\n * @deprecated Use setRenderer instead.\n * @param {WebGLRenderer} renderer - The new renderer.\n * @param {Boolean} updateDOM - Indicates whether the old canvas should be replaced by the new one in the DOM.\n * @return {WebGLRenderer} The old renderer.\n */\n replaceRenderer(renderer, updateDOM = true) {\n const oldRenderer = this.renderer;\n const parent = oldRenderer.domElement.parentNode;\n this.setRenderer(renderer);\n if (updateDOM && parent !== null) {\n parent.removeChild(oldRenderer.domElement);\n parent.appendChild(renderer.domElement);\n }\n return oldRenderer;\n }\n /**\n * Creates a depth texture attachment that will be provided to all passes.\n *\n * Note: When a shader reads from a depth texture and writes to a render target that uses the same depth texture\n * attachment, the depth information will be lost. This happens even if `depthWrite` is disabled.\n *\n * @private\n * @return {DepthTexture} The depth texture.\n */\n createDepthTexture() {\n const depthTexture = this.depthTexture = new DepthTexture();\n this.inputBuffer.depthTexture = depthTexture;\n this.inputBuffer.dispose();\n if (this.inputBuffer.stencilBuffer) {\n depthTexture.format = DepthStencilFormat;\n depthTexture.type = UnsignedInt248Type;\n } else {\n depthTexture.type = UnsignedIntType;\n }\n return depthTexture;\n }\n /**\n * Deletes the current depth texture.\n *\n * @private\n */\n deleteDepthTexture() {\n if (this.depthTexture !== null) {\n this.depthTexture.dispose();\n this.depthTexture = null;\n this.inputBuffer.depthTexture = null;\n this.inputBuffer.dispose();\n for (const pass of this.passes) {\n pass.setDepthTexture(null);\n }\n }\n }\n /**\n * Creates a new render target.\n *\n * @deprecated Create buffers manually via WebGLRenderTarget instead.\n * @param {Boolean} depthBuffer - Whether the render target should have a depth buffer.\n * @param {Boolean} stencilBuffer - Whether the render target should have a stencil buffer.\n * @param {Number} type - The frame buffer type.\n * @param {Number} multisampling - The number of samples to use for antialiasing.\n * @return {WebGLRenderTarget} A new render target that equals the renderer's canvas.\n */\n createBuffer(depthBuffer, stencilBuffer, type, multisampling) {\n const renderer = this.renderer;\n const size = renderer === null ? new Vector2() : renderer.getDrawingBufferSize(new Vector2());\n const options = {\n minFilter: LinearFilter2,\n magFilter: LinearFilter2,\n stencilBuffer,\n depthBuffer,\n type\n };\n const renderTarget = new WebGLRenderTarget3(size.width, size.height, options);\n if (multisampling > 0) {\n renderTarget.ignoreDepthForMultisampleCopy = false;\n renderTarget.samples = multisampling;\n }\n if (type === UnsignedByteType2 && renderer !== null && renderer.outputColorSpace === SRGBColorSpace2) {\n renderTarget.texture.colorSpace = SRGBColorSpace2;\n }\n renderTarget.texture.name = \"EffectComposer.Buffer\";\n renderTarget.texture.generateMipmaps = false;\n return renderTarget;\n }\n /**\n * Can be used to change the main scene for all registered passes and effects.\n *\n * @param {Scene} scene - The scene.\n */\n setMainScene(scene) {\n for (const pass of this.passes) {\n pass.mainScene = scene;\n }\n }\n /**\n * Can be used to change the main camera for all registered passes and effects.\n *\n * @param {Camera} camera - The camera.\n */\n setMainCamera(camera) {\n for (const pass of this.passes) {\n pass.mainCamera = camera;\n }\n }\n /**\n * Adds a pass, optionally at a specific index.\n *\n * @param {Pass} pass - A new pass.\n * @param {Number} [index] - An index at which the pass should be inserted.\n */\n addPass(pass, index) {\n const passes = this.passes;\n const renderer = this.renderer;\n const drawingBufferSize = renderer.getDrawingBufferSize(new Vector2());\n const alpha = renderer.getContext().getContextAttributes().alpha;\n const frameBufferType = this.inputBuffer.texture.type;\n pass.setRenderer(renderer);\n pass.setSize(drawingBufferSize.width, drawingBufferSize.height);\n pass.initialize(renderer, alpha, frameBufferType);\n if (this.autoRenderToScreen) {\n if (passes.length > 0) {\n passes[passes.length - 1].renderToScreen = false;\n }\n if (pass.renderToScreen) {\n this.autoRenderToScreen = false;\n }\n }\n if (index !== void 0) {\n passes.splice(index, 0, pass);\n } else {\n passes.push(pass);\n }\n if (this.autoRenderToScreen) {\n passes[passes.length - 1].renderToScreen = true;\n }\n if (pass.needsDepthTexture || this.depthTexture !== null) {\n if (this.depthTexture === null) {\n const depthTexture = this.createDepthTexture();\n for (pass of passes) {\n pass.setDepthTexture(depthTexture);\n }\n } else {\n pass.setDepthTexture(this.depthTexture);\n }\n }\n }\n /**\n * Removes a pass.\n *\n * @param {Pass} pass - The pass.\n */\n removePass(pass) {\n const passes = this.passes;\n const index = passes.indexOf(pass);\n const exists = index !== -1;\n const removed = exists && passes.splice(index, 1).length > 0;\n if (removed) {\n if (this.depthTexture !== null) {\n const reducer = (a, b) => a || b.needsDepthTexture;\n const depthTextureRequired = passes.reduce(reducer, false);\n if (!depthTextureRequired) {\n if (pass.getDepthTexture() === this.depthTexture) {\n pass.setDepthTexture(null);\n }\n this.deleteDepthTexture();\n }\n }\n if (this.autoRenderToScreen) {\n if (index === passes.length) {\n pass.renderToScreen = false;\n if (passes.length > 0) {\n passes[passes.length - 1].renderToScreen = true;\n }\n }\n }\n }\n }\n /**\n * Removes all passes.\n */\n removeAllPasses() {\n const passes = this.passes;\n this.deleteDepthTexture();\n if (passes.length > 0) {\n if (this.autoRenderToScreen) {\n passes[passes.length - 1].renderToScreen = false;\n }\n this.passes = [];\n }\n }\n /**\n * Renders all enabled passes in the order in which they were added.\n *\n * @param {Number} [deltaTime] - The time since the last frame in seconds.\n */\n render(deltaTime) {\n const renderer = this.renderer;\n const copyPass = this.copyPass;\n let inputBuffer = this.inputBuffer;\n let outputBuffer = this.outputBuffer;\n let stencilTest = false;\n let context, stencil, buffer;\n if (deltaTime === void 0) {\n this.timer.update();\n deltaTime = this.timer.getDelta();\n }\n for (const pass of this.passes) {\n if (pass.enabled) {\n pass.render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest);\n if (pass.needsSwap) {\n if (stencilTest) {\n copyPass.renderToScreen = pass.renderToScreen;\n context = renderer.getContext();\n stencil = renderer.state.buffers.stencil;\n stencil.setFunc(context.NOTEQUAL, 1, 4294967295);\n copyPass.render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest);\n stencil.setFunc(context.EQUAL, 1, 4294967295);\n }\n buffer = inputBuffer;\n inputBuffer = outputBuffer;\n outputBuffer = buffer;\n }\n if (pass instanceof MaskPass) {\n stencilTest = true;\n } else if (pass instanceof ClearMaskPass) {\n stencilTest = false;\n }\n }\n }\n }\n /**\n * Sets the size of the buffers, passes and the renderer.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n * @param {Boolean} [updateStyle] - Determines whether the style of the canvas should be updated.\n */\n setSize(width, height, updateStyle) {\n const renderer = this.renderer;\n const currentSize = renderer.getSize(new Vector2());\n if (width === void 0 || height === void 0) {\n width = currentSize.width;\n height = currentSize.height;\n }\n if (currentSize.width !== width || currentSize.height !== height) {\n renderer.setSize(width, height, updateStyle);\n }\n const drawingBufferSize = renderer.getDrawingBufferSize(new Vector2());\n this.inputBuffer.setSize(drawingBufferSize.width, drawingBufferSize.height);\n this.outputBuffer.setSize(drawingBufferSize.width, drawingBufferSize.height);\n for (const pass of this.passes) {\n pass.setSize(drawingBufferSize.width, drawingBufferSize.height);\n }\n }\n /**\n * Resets this composer by deleting all passes and creating new buffers.\n */\n reset() {\n this.dispose();\n this.autoRenderToScreen = true;\n }\n /**\n * Disposes this composer and all passes.\n */\n dispose() {\n for (const pass of this.passes) {\n pass.dispose();\n }\n this.passes = [];\n if (this.inputBuffer !== null) {\n this.inputBuffer.dispose();\n }\n if (this.outputBuffer !== null) {\n this.outputBuffer.dispose();\n }\n this.deleteDepthTexture();\n this.copyPass.dispose();\n this.timer.dispose();\n Pass.fullscreenGeometry.dispose();\n }\n};\n\n// src/core/EffectShaderData.js\nimport { LinearSRGBColorSpace } from \"three\";\n\n// src/enums/EffectAttribute.js\nvar EffectAttribute = {\n NONE: 0,\n DEPTH: 1,\n CONVOLUTION: 2\n};\n\n// src/enums/EffectShaderSection.js\nvar EffectShaderSection = {\n FRAGMENT_HEAD: \"FRAGMENT_HEAD\",\n FRAGMENT_MAIN_UV: \"FRAGMENT_MAIN_UV\",\n FRAGMENT_MAIN_IMAGE: \"FRAGMENT_MAIN_IMAGE\",\n VERTEX_HEAD: \"VERTEX_HEAD\",\n VERTEX_MAIN_SUPPORT: \"VERTEX_MAIN_SUPPORT\"\n};\n\n// src/core/EffectShaderData.js\nvar EffectShaderData = class {\n /**\n * Constructs new shader data.\n */\n constructor() {\n this.shaderParts = /* @__PURE__ */ new Map([\n [EffectShaderSection.FRAGMENT_HEAD, null],\n [EffectShaderSection.FRAGMENT_MAIN_UV, null],\n [EffectShaderSection.FRAGMENT_MAIN_IMAGE, null],\n [EffectShaderSection.VERTEX_HEAD, null],\n [EffectShaderSection.VERTEX_MAIN_SUPPORT, null]\n ]);\n this.defines = /* @__PURE__ */ new Map();\n this.uniforms = /* @__PURE__ */ new Map();\n this.blendModes = /* @__PURE__ */ new Map();\n this.extensions = /* @__PURE__ */ new Set();\n this.attributes = EffectAttribute.NONE;\n this.varyings = /* @__PURE__ */ new Set();\n this.uvTransformation = false;\n this.readDepth = false;\n this.colorSpace = LinearSRGBColorSpace;\n }\n};\n\n// src/core/GaussKernel.js\nfunction getCoefficients(n) {\n let result;\n if (n === 0) {\n result = new Float64Array(0);\n } else if (n === 1) {\n result = new Float64Array([1]);\n } else if (n > 1) {\n let row0 = new Float64Array(n);\n let row1 = new Float64Array(n);\n for (let y = 1; y <= n; ++y) {\n for (let x = 0; x < y; ++x) {\n row1[x] = x === 0 || x === y - 1 ? 1 : row0[x - 1] + row0[x];\n }\n result = row1;\n row1 = row0;\n row0 = result;\n }\n }\n return result;\n}\nvar GaussKernel = class {\n /**\n * Constructs a new Gauss kernel.\n *\n * @param {Number} kernelSize - The kernel size. Should be an odd number in the range [3, 1020].\n * @param {Number} [edgeBias=2] - Determines how many edge coefficients should be cut off for increased accuracy.\n */\n constructor(kernelSize, edgeBias = 2) {\n this.weights = null;\n this.offsets = null;\n this.linearWeights = null;\n this.linearOffsets = null;\n this.generate(kernelSize, edgeBias);\n }\n /**\n * The number of steps for discrete sampling.\n *\n * @type {Number}\n */\n get steps() {\n return this.offsets === null ? 0 : this.offsets.length;\n }\n /**\n * The number of steps for linear sampling.\n *\n * @type {Number}\n */\n get linearSteps() {\n return this.linearOffsets === null ? 0 : this.linearOffsets.length;\n }\n /**\n * Generates the kernel.\n *\n * @private\n * @param {Number} kernelSize - The kernel size.\n * @param {Number} edgeBias - The amount of edge coefficients to ignore.\n */\n generate(kernelSize, edgeBias) {\n if (kernelSize < 3 || kernelSize > 1020) {\n throw new Error(\"The kernel size must be in the range [3, 1020]\");\n }\n const n = kernelSize + edgeBias * 2;\n const coefficients = edgeBias > 0 ? getCoefficients(n).slice(edgeBias, -edgeBias) : getCoefficients(n);\n const mid = Math.floor((coefficients.length - 1) / 2);\n const sum = coefficients.reduce((a, b) => a + b, 0);\n const weights = coefficients.slice(mid);\n const offsets = [...Array(mid + 1).keys()];\n const linearWeights = new Float64Array(Math.floor(offsets.length / 2));\n const linearOffsets = new Float64Array(linearWeights.length);\n linearWeights[0] = weights[0] / sum;\n for (let i = 1, j = 1, l = offsets.length - 1; i < l; i += 2, ++j) {\n const offset0 = offsets[i], offset1 = offsets[i + 1];\n const weight0 = weights[i], weight1 = weights[i + 1];\n const w = weight0 + weight1;\n const o = (offset0 * weight0 + offset1 * weight1) / w;\n linearWeights[j] = w / sum;\n linearOffsets[j] = o;\n }\n for (let i = 0, l = weights.length, s = 1 / sum; i < l; ++i) {\n weights[i] *= s;\n }\n const linearWeightSum = (linearWeights.reduce((a, b) => a + b, 0) - linearWeights[0] * 0.5) * 2;\n if (linearWeightSum !== 0) {\n for (let i = 0, l = linearWeights.length, s = 1 / linearWeightSum; i < l; ++i) {\n linearWeights[i] *= s;\n }\n }\n this.offsets = offsets;\n this.weights = weights;\n this.linearOffsets = linearOffsets;\n this.linearWeights = linearWeights;\n }\n};\n\n// src/core/ImmutableTimer.js\nvar ImmutableTimer = class {\n /**\n * The current delta time in seconds.\n *\n * @type {Number}\n */\n getDelta() {\n return NaN;\n }\n /**\n * The elapsed time in seconds.\n *\n * @type {Number}\n */\n getElapsed() {\n return NaN;\n }\n};\n\n// src/core/Initializable.js\nvar Initializable = class {\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - A renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n }\n};\n\n// src/core/OverrideMaterialManager.js\nimport { BackSide, DoubleSide, FrontSide, ShaderMaterial as ShaderMaterial2 } from \"three\";\nvar workaroundEnabled = false;\nvar OverrideMaterialManager = class {\n /**\n * Constructs a new override material manager.\n *\n * @param {Material} [material=null] - An override material.\n */\n constructor(material = null) {\n this.originalMaterials = /* @__PURE__ */ new Map();\n this.material = null;\n this.materials = null;\n this.materialsBackSide = null;\n this.materialsDoubleSide = null;\n this.materialsFlatShaded = null;\n this.materialsFlatShadedBackSide = null;\n this.materialsFlatShadedDoubleSide = null;\n this.setMaterial(material);\n this.meshCount = 0;\n this.replaceMaterial = (node) => {\n if (node.isMesh) {\n let materials;\n if (node.material.flatShading) {\n switch (node.material.side) {\n case DoubleSide:\n materials = this.materialsFlatShadedDoubleSide;\n break;\n case BackSide:\n materials = this.materialsFlatShadedBackSide;\n break;\n default:\n materials = this.materialsFlatShaded;\n break;\n }\n } else {\n switch (node.material.side) {\n case DoubleSide:\n materials = this.materialsDoubleSide;\n break;\n case BackSide:\n materials = this.materialsBackSide;\n break;\n default:\n materials = this.materials;\n break;\n }\n }\n this.originalMaterials.set(node, node.material);\n if (node.isSkinnedMesh) {\n node.material = materials[2];\n } else if (node.isInstancedMesh) {\n node.material = materials[1];\n } else {\n node.material = materials[0];\n }\n ++this.meshCount;\n }\n };\n }\n /**\n * Clones the given material.\n *\n * @private\n * @param {Material} material - The material.\n * @return {Material} The cloned material.\n */\n cloneMaterial(material) {\n if (!(material instanceof ShaderMaterial2)) {\n return material.clone();\n }\n const uniforms = material.uniforms;\n const textureUniforms = /* @__PURE__ */ new Map();\n for (const key in uniforms) {\n const value = uniforms[key].value;\n if (value.isRenderTargetTexture) {\n uniforms[key].value = null;\n textureUniforms.set(key, value);\n }\n }\n const clone = material.clone();\n for (const entry of textureUniforms) {\n uniforms[entry[0]].value = entry[1];\n clone.uniforms[entry[0]].value = entry[1];\n }\n return clone;\n }\n /**\n * Sets the override material.\n *\n * @param {Material} material - The material.\n */\n setMaterial(material) {\n this.disposeMaterials();\n this.material = material;\n if (material !== null) {\n const materials = this.materials = [\n this.cloneMaterial(material),\n this.cloneMaterial(material),\n this.cloneMaterial(material)\n ];\n for (const m2 of materials) {\n m2.uniforms = Object.assign({}, material.uniforms);\n m2.side = FrontSide;\n }\n materials[2].skinning = true;\n this.materialsBackSide = materials.map((m2) => {\n const c2 = this.cloneMaterial(m2);\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.side = BackSide;\n return c2;\n });\n this.materialsDoubleSide = materials.map((m2) => {\n const c2 = this.cloneMaterial(m2);\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.side = DoubleSide;\n return c2;\n });\n this.materialsFlatShaded = materials.map((m2) => {\n const c2 = this.cloneMaterial(m2);\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.flatShading = true;\n return c2;\n });\n this.materialsFlatShadedBackSide = materials.map((m2) => {\n const c2 = this.cloneMaterial(m2);\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.flatShading = true;\n c2.side = BackSide;\n return c2;\n });\n this.materialsFlatShadedDoubleSide = materials.map((m2) => {\n const c2 = this.cloneMaterial(m2);\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.flatShading = true;\n c2.side = DoubleSide;\n return c2;\n });\n }\n }\n /**\n * Renders the scene with the override material.\n *\n * @private\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Scene} scene - A scene.\n * @param {Camera} camera - A camera.\n */\n render(renderer, scene, camera) {\n const shadowMapEnabled = renderer.shadowMap.enabled;\n renderer.shadowMap.enabled = false;\n if (workaroundEnabled) {\n const originalMaterials = this.originalMaterials;\n this.meshCount = 0;\n scene.traverse(this.replaceMaterial);\n renderer.render(scene, camera);\n for (const entry of originalMaterials) {\n entry[0].material = entry[1];\n }\n if (this.meshCount !== originalMaterials.size) {\n originalMaterials.clear();\n }\n } else {\n const overrideMaterial = scene.overrideMaterial;\n scene.overrideMaterial = this.material;\n renderer.render(scene, camera);\n scene.overrideMaterial = overrideMaterial;\n }\n renderer.shadowMap.enabled = shadowMapEnabled;\n }\n /**\n * Deletes cloned override materials.\n *\n * @private\n */\n disposeMaterials() {\n if (this.material !== null) {\n const materials = this.materials.concat(this.materialsBackSide).concat(this.materialsDoubleSide).concat(this.materialsFlatShaded).concat(this.materialsFlatShadedBackSide).concat(this.materialsFlatShadedDoubleSide);\n for (const m2 of materials) {\n m2.dispose();\n }\n }\n }\n /**\n * Performs cleanup tasks.\n */\n dispose() {\n this.originalMaterials.clear();\n this.disposeMaterials();\n }\n /**\n * Indicates whether the override material workaround is enabled.\n *\n * @type {Boolean}\n */\n static get workaroundEnabled() {\n return workaroundEnabled;\n }\n /**\n * Enables or disables the override material workaround globally.\n *\n * This only affects post processing passes and effects.\n *\n * @type {Boolean}\n */\n static set workaroundEnabled(value) {\n workaroundEnabled = value;\n }\n};\n\n// src/core/Resizable.js\nvar Resizable = class {\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n }\n};\n\n// src/core/Resolution.js\nimport { EventDispatcher, Vector2 as Vector22 } from \"three\";\nvar AUTO_SIZE = -1;\nvar Resolution = class extends EventDispatcher {\n /**\n * Constructs a new resolution.\n *\n * TODO Remove resizable param.\n * @param {Resizable} resizable - A resizable object.\n * @param {Number} [width=Resolution.AUTO_SIZE] - The preferred width.\n * @param {Number} [height=Resolution.AUTO_SIZE] - The preferred height.\n * @param {Number} [scale=1.0] - A resolution scale.\n */\n constructor(resizable, width = AUTO_SIZE, height = AUTO_SIZE, scale = 1) {\n super();\n this.resizable = resizable;\n this.baseSize = new Vector22(1, 1);\n this.preferredSize = new Vector22(width, height);\n this.target = this.preferredSize;\n this.s = scale;\n this.effectiveSize = new Vector22();\n this.addEventListener(\"change\", () => this.updateEffectiveSize());\n this.updateEffectiveSize();\n }\n /**\n * Calculates the effective size.\n *\n * @private\n */\n updateEffectiveSize() {\n const base = this.baseSize;\n const preferred = this.preferredSize;\n const effective = this.effectiveSize;\n const scale = this.scale;\n if (preferred.width !== AUTO_SIZE) {\n effective.width = preferred.width;\n } else if (preferred.height !== AUTO_SIZE) {\n effective.width = Math.round(preferred.height * (base.width / Math.max(base.height, 1)));\n } else {\n effective.width = Math.round(base.width * scale);\n }\n if (preferred.height !== AUTO_SIZE) {\n effective.height = preferred.height;\n } else if (preferred.width !== AUTO_SIZE) {\n effective.height = Math.round(preferred.width / Math.max(base.width / Math.max(base.height, 1), 1));\n } else {\n effective.height = Math.round(base.height * scale);\n }\n }\n /**\n * The effective width.\n *\n * If the preferred width and height are set to {@link Resizer.AUTO_SIZE}, the base width will be returned.\n *\n * @type {Number}\n */\n get width() {\n return this.effectiveSize.width;\n }\n set width(value) {\n this.preferredWidth = value;\n }\n /**\n * The effective height.\n *\n * If the preferred width and height are set to {@link Resizer.AUTO_SIZE}, the base height will be returned.\n *\n * @type {Number}\n */\n get height() {\n return this.effectiveSize.height;\n }\n set height(value) {\n this.preferredHeight = value;\n }\n /**\n * Returns the effective width.\n *\n * If the preferred width and height are set to {@link Resizer.AUTO_SIZE}, the base width will be returned.\n *\n * @deprecated Use width instead.\n * @return {Number} The effective width.\n */\n getWidth() {\n return this.width;\n }\n /**\n * Returns the effective height.\n *\n * If the preferred width and height are set to {@link Resizer.AUTO_SIZE}, the base height will be returned.\n *\n * @deprecated Use height instead.\n * @return {Number} The effective height.\n */\n getHeight() {\n return this.height;\n }\n /**\n * The resolution scale.\n *\n * @type {Number}\n */\n get scale() {\n return this.s;\n }\n set scale(value) {\n if (this.s !== value) {\n this.s = value;\n this.preferredSize.setScalar(AUTO_SIZE);\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n /**\n * Returns the current resolution scale.\n *\n * @deprecated Use scale instead.\n * @return {Number} The scale.\n */\n getScale() {\n return this.scale;\n }\n /**\n * Sets the resolution scale.\n *\n * Also sets the preferred resolution to {@link Resizer.AUTO_SIZE}.\n *\n * @deprecated Use scale instead.\n * @param {Number} value - The scale.\n */\n setScale(value) {\n this.scale = value;\n }\n /**\n * The base width.\n *\n * @type {Number}\n */\n get baseWidth() {\n return this.baseSize.width;\n }\n set baseWidth(value) {\n if (this.baseSize.width !== value) {\n this.baseSize.width = value;\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n /**\n * Returns the base width.\n *\n * @deprecated Use baseWidth instead.\n * @return {Number} The base width.\n */\n getBaseWidth() {\n return this.baseWidth;\n }\n /**\n * Sets the base width.\n *\n * @deprecated Use baseWidth instead.\n * @param {Number} value - The width.\n */\n setBaseWidth(value) {\n this.baseWidth = value;\n }\n /**\n * The base height.\n *\n * @type {Number}\n */\n get baseHeight() {\n return this.baseSize.height;\n }\n set baseHeight(value) {\n if (this.baseSize.height !== value) {\n this.baseSize.height = value;\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n /**\n * Returns the base height.\n *\n * @deprecated Use baseHeight instead.\n * @return {Number} The base height.\n */\n getBaseHeight() {\n return this.baseHeight;\n }\n /**\n * Sets the base height.\n *\n * @deprecated Use baseHeight instead.\n * @param {Number} value - The height.\n */\n setBaseHeight(value) {\n this.baseHeight = value;\n }\n /**\n * Sets the base size.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setBaseSize(width, height) {\n if (this.baseSize.width !== width || this.baseSize.height !== height) {\n this.baseSize.set(width, height);\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n /**\n * The preferred width.\n *\n * @type {Number}\n */\n get preferredWidth() {\n return this.preferredSize.width;\n }\n set preferredWidth(value) {\n if (this.preferredSize.width !== value) {\n this.preferredSize.width = value;\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n /**\n * Returns the preferred width.\n *\n * @deprecated Use preferredWidth instead.\n * @return {Number} The preferred width.\n */\n getPreferredWidth() {\n return this.preferredWidth;\n }\n /**\n * Sets the preferred width.\n *\n * Use {@link Resizer.AUTO_SIZE} to automatically calculate the width based on the height and aspect ratio.\n *\n * @deprecated Use preferredWidth instead.\n * @param {Number} value - The width.\n */\n setPreferredWidth(value) {\n this.preferredWidth = value;\n }\n /**\n * The preferred height.\n *\n * @type {Number}\n */\n get preferredHeight() {\n return this.preferredSize.height;\n }\n set preferredHeight(value) {\n if (this.preferredSize.height !== value) {\n this.preferredSize.height = value;\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n /**\n * Returns the preferred height.\n *\n * @deprecated Use preferredHeight instead.\n * @return {Number} The preferred height.\n */\n getPreferredHeight() {\n return this.preferredHeight;\n }\n /**\n * Sets the preferred height.\n *\n * Use {@link Resizer.AUTO_SIZE} to automatically calculate the height based on the width and aspect ratio.\n *\n * @deprecated Use preferredHeight instead.\n * @param {Number} value - The height.\n */\n setPreferredHeight(value) {\n this.preferredHeight = value;\n }\n /**\n * Sets the preferred size.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setPreferredSize(width, height) {\n if (this.preferredSize.width !== width || this.preferredSize.height !== height) {\n this.preferredSize.set(width, height);\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n /**\n * Copies the given resolution.\n *\n * @param {Resolution} resolution - The resolution.\n */\n copy(resolution) {\n this.s = resolution.scale;\n this.baseSize.set(resolution.baseWidth, resolution.baseHeight);\n this.preferredSize.set(resolution.preferredWidth, resolution.preferredHeight);\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n /**\n * An auto sizing constant.\n *\n * Can be used to automatically calculate the width or height based on the original aspect ratio.\n *\n * @type {Number}\n */\n static get AUTO_SIZE() {\n return AUTO_SIZE;\n }\n};\n\n// src/utils/IdManager.js\nvar IdManager = class {\n /**\n * Constructs a new ID manager.\n *\n * @param initialId - The first ID.\n */\n constructor(initialId = 0) {\n this.nextId = initialId;\n }\n /**\n * Returns the next unique ID.\n *\n * @return The ID.\n */\n getNextId() {\n return this.nextId++;\n }\n /**\n * Resets the ID counter.\n *\n * @param initialId - The first ID.\n * @return This manager.\n */\n reset(initialId = 0) {\n this.nextId = initialId;\n return this;\n }\n};\n\n// src/core/Selection.js\nvar idManager = /* @__PURE__ */ new IdManager(2);\nvar Selection = class extends Set {\n /**\n * Constructs a new selection.\n *\n * @param {Iterable} [iterable] - A collection of objects that should be added to this selection.\n * @param {Number} [layer] - A dedicated render layer for selected objects. Range is `[2, 31]`. Starts at 2 if omitted.\n */\n constructor(iterable, layer = idManager.getNextId()) {\n super();\n this.exclusive = false;\n this._layer = layer;\n if (this._layer < 1 || this._layer > 31) {\n console.warn(\"Layer out of range, resetting to 2\");\n idManager.reset(2);\n this._layer = idManager.getNextId();\n }\n if (iterable !== void 0) {\n this.set(iterable);\n }\n }\n /**\n * The render layer for selected objects.\n *\n * @type {Number}\n */\n get layer() {\n return this._layer;\n }\n set layer(value) {\n const currentLayer = this._layer;\n for (const object of this) {\n object.layers.disable(currentLayer);\n object.layers.enable(value);\n }\n this._layer = value;\n }\n /**\n * Returns the current render layer for selected objects.\n *\n * The default layer is 2. If this collides with your own custom layers, please change it before rendering!\n *\n * @deprecated Use layer instead.\n * @return {Number} The layer.\n */\n getLayer() {\n return this.layer;\n }\n /**\n * Sets the render layer for selected objects.\n *\n * The current selection will be updated accordingly.\n *\n * @deprecated Use layer instead.\n * @param {Number} value - The layer. Range is [0, 31].\n */\n setLayer(value) {\n this.layer = value;\n }\n /**\n * Indicates whether objects that are added to this selection will be removed from all other layers.\n *\n * @deprecated Use exclusive instead.\n * @return {Number} Whether this selection is exclusive. Default is false.\n */\n isExclusive() {\n return this.exclusive;\n }\n /**\n * Controls whether objects that are added to this selection should be removed from all other layers.\n *\n * @deprecated Use exclusive instead.\n * @param {Number} value - Whether this selection should be exclusive.\n */\n setExclusive(value) {\n this.exclusive = value;\n }\n /**\n * Clears this selection.\n *\n * @return {Selection} This selection.\n */\n clear() {\n const layer = this.layer;\n for (const object of this) {\n object.layers.disable(layer);\n }\n return super.clear();\n }\n /**\n * Clears this selection and adds the given objects.\n *\n * @param {Iterable} objects - The objects that should be selected.\n * @return {Selection} This selection.\n */\n set(objects) {\n this.clear();\n for (const object of objects) {\n this.add(object);\n }\n return this;\n }\n /**\n * An alias for {@link has}.\n *\n * @param {Object3D} object - An object.\n * @return {Number} Returns 0 if the given object is currently selected, or -1 otherwise.\n * @deprecated Added for backward-compatibility.\n */\n indexOf(object) {\n return this.has(object) ? 0 : -1;\n }\n /**\n * Adds an object to this selection.\n *\n * If {@link exclusive} is set to `true`, the object will also be removed from all other layers.\n *\n * @param {Object3D} object - The object that should be selected.\n * @return {Selection} This selection.\n */\n add(object) {\n if (this.exclusive) {\n object.layers.set(this.layer);\n } else {\n object.layers.enable(this.layer);\n }\n return super.add(object);\n }\n /**\n * Removes an object from this selection.\n *\n * @param {Object3D} object - The object that should be deselected.\n * @return {Boolean} Returns true if an object has successfully been removed from this selection; otherwise false.\n */\n delete(object) {\n if (this.has(object)) {\n object.layers.disable(this.layer);\n }\n return super.delete(object);\n }\n /**\n * Removes an existing object from the selection. If the object doesn't exist it's added instead.\n *\n * @param {Object3D} object - The object.\n * @return {Boolean} Returns true if the object is added, false otherwise.\n */\n toggle(object) {\n let result;\n if (this.has(object)) {\n this.delete(object);\n result = false;\n } else {\n this.add(object);\n result = true;\n }\n return result;\n }\n /**\n * Sets the visibility of all selected objects.\n *\n * This method enables or disables render layer 0 of all selected objects.\n *\n * @param {Boolean} visible - Whether the selected objects should be visible.\n * @return {Selection} This selection.\n */\n setVisible(visible) {\n for (const object of this) {\n if (visible) {\n object.layers.enable(0);\n } else {\n object.layers.disable(0);\n }\n }\n return this;\n }\n};\n\n// src/effects/blending/BlendMode.js\nimport { EventDispatcher as EventDispatcher2, Uniform as Uniform2 } from \"three\";\n\n// src/enums/BlendFunction.js\nvar BlendFunction = {\n SKIP: 9,\n SET: 30,\n ADD: 0,\n ALPHA: 1,\n AVERAGE: 2,\n COLOR: 3,\n COLOR_BURN: 4,\n COLOR_DODGE: 5,\n DARKEN: 6,\n DIFFERENCE: 7,\n DIVIDE: 8,\n DST: 9,\n EXCLUSION: 10,\n HARD_LIGHT: 11,\n HARD_MIX: 12,\n HUE: 13,\n INVERT: 14,\n INVERT_RGB: 15,\n LIGHTEN: 16,\n LINEAR_BURN: 17,\n LINEAR_DODGE: 18,\n LINEAR_LIGHT: 19,\n LUMINOSITY: 20,\n MULTIPLY: 21,\n NEGATION: 22,\n NORMAL: 23,\n OVERLAY: 24,\n PIN_LIGHT: 25,\n REFLECT: 26,\n SATURATION: 27,\n SCREEN: 28,\n SOFT_LIGHT: 29,\n SRC: 30,\n SUBTRACT: 31,\n VIVID_LIGHT: 32\n};\n\n// src/effects/blending/glsl/add.frag\nvar add_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x+y,opacity);}\";\n\n// src/effects/blending/glsl/alpha.frag\nvar alpha_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y,min(y.a,opacity));}\";\n\n// src/effects/blending/glsl/average.frag\nvar average_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,(x+y)*0.5,opacity);}\";\n\n// src/effects/blending/glsl/color.frag\nvar color_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(yHSL.rg,xHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}\";\n\n// src/effects/blending/glsl/color-burn.frag\nvar color_burn_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(step(0.0,y)*(1.0-min(vec4(1.0),(1.0-x)/y)),vec4(1.0),step(1.0,x));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/color-dodge.frag\nvar color_dodge_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=step(0.0,x)*mix(min(vec4(1.0),x/max(1.0-y,1e-9)),vec4(1.0),step(1.0,y));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/darken.frag\nvar darken_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,min(x,y),opacity);}\";\n\n// src/effects/blending/glsl/difference.frag\nvar difference_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,abs(x-y),opacity);}\";\n\n// src/effects/blending/glsl/divide.frag\nvar divide_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x/max(y,1e-12),opacity);}\";\n\n// src/effects/blending/glsl/exclusion.frag\nvar exclusion_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,(x+y-2.0*x*y),opacity);}\";\n\n// src/effects/blending/glsl/hard-light.frag\nvar hard_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 a=min(x,1.0),b=min(y,1.0);vec4 z=mix(2.0*a*b,1.0-2.0*(1.0-a)*(1.0-b),step(0.5,y));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/hard-mix.frag\nvar hard_mix_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,step(1.0,x+y),opacity);}\";\n\n// src/effects/blending/glsl/hue.frag\nvar hue_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(yHSL.r,xHSL.gb));return vec4(mix(x.rgb,z,opacity),y.a);}\";\n\n// src/effects/blending/glsl/invert.frag\nvar invert_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,1.0-y,opacity);}\";\n\n// src/effects/blending/glsl/invert-rgb.frag\nvar invert_rgb_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y*(1.0-x),opacity);}\";\n\n// src/effects/blending/glsl/lighten.frag\nvar lighten_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,max(x,y),opacity);}\";\n\n// src/effects/blending/glsl/linear-burn.frag\nvar linear_burn_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,clamp(y+x-1.0,0.0,1.0),opacity);}\";\n\n// src/effects/blending/glsl/linear-dodge.frag\nvar linear_dodge_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,min(x+y,1.0),opacity);}\";\n\n// src/effects/blending/glsl/linear-light.frag\nvar linear_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,clamp(2.0*y+x-1.0,0.0,1.0),opacity);}\";\n\n// src/effects/blending/glsl/luminosity.frag\nvar luminosity_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(xHSL.rg,yHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}\";\n\n// src/effects/blending/glsl/multiply.frag\nvar multiply_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x*y,opacity);}\";\n\n// src/effects/blending/glsl/negation.frag\nvar negation_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,1.0-abs(1.0-x-y),opacity);}\";\n\n// src/effects/blending/glsl/normal.frag\nvar normal_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y,opacity);}\";\n\n// src/effects/blending/glsl/overlay.frag\nvar overlay_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(2.0*y*x,1.0-2.0*(1.0-y)*(1.0-x),step(0.5,x));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/pin-light.frag\nvar pin_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 y2=2.0*y;vec4 z=mix(mix(y2,x,step(0.5*x,y)),max(vec4(0.0),y2-1.0),step(x,(y2-1.0)));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/reflect.frag\nvar reflect_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(min(x*x/max(1.0-y,1e-12),1.0),y,step(1.0,y));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/saturation.frag\nvar saturation_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(xHSL.r,yHSL.g,xHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}\";\n\n// src/effects/blending/glsl/screen.frag\nvar screen_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x+y-min(x*y,1.0),opacity);}\";\n\n// src/effects/blending/glsl/soft-light.frag\nvar soft_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 y2=2.0*y;vec4 w=step(0.5,y);vec4 z=mix(x-(1.0-y2)*x*(1.0-x),mix(x+(y2-1.0)*(sqrt(x)-x),x+(y2-1.0)*x*((16.0*x-12.0)*x+3.0),w*(1.0-step(0.25,x))),w);return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/src.frag\nvar src_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return y;}\";\n\n// src/effects/blending/glsl/subtract.frag\nvar subtract_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,max(x+y-1.0,0.0),opacity);}\";\n\n// src/effects/blending/glsl/vivid-light.frag\nvar vivid_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(max(1.0-min((1.0-x)/(2.0*y),1.0),0.0),min(x/(2.0*(1.0-y)),1.0),step(0.5,y));return mix(x,z,opacity);}\";\n\n// src/effects/blending/BlendMode.js\nvar blendFunctions = /* @__PURE__ */ new Map([\n [BlendFunction.ADD, add_default],\n [BlendFunction.ALPHA, alpha_default],\n [BlendFunction.AVERAGE, average_default],\n [BlendFunction.COLOR, color_default],\n [BlendFunction.COLOR_BURN, color_burn_default],\n [BlendFunction.COLOR_DODGE, color_dodge_default],\n [BlendFunction.DARKEN, darken_default],\n [BlendFunction.DIFFERENCE, difference_default],\n [BlendFunction.DIVIDE, divide_default],\n [BlendFunction.DST, null],\n [BlendFunction.EXCLUSION, exclusion_default],\n [BlendFunction.HARD_LIGHT, hard_light_default],\n [BlendFunction.HARD_MIX, hard_mix_default],\n [BlendFunction.HUE, hue_default],\n [BlendFunction.INVERT, invert_default],\n [BlendFunction.INVERT_RGB, invert_rgb_default],\n [BlendFunction.LIGHTEN, lighten_default],\n [BlendFunction.LINEAR_BURN, linear_burn_default],\n [BlendFunction.LINEAR_DODGE, linear_dodge_default],\n [BlendFunction.LINEAR_LIGHT, linear_light_default],\n [BlendFunction.LUMINOSITY, luminosity_default],\n [BlendFunction.MULTIPLY, multiply_default],\n [BlendFunction.NEGATION, negation_default],\n [BlendFunction.NORMAL, normal_default],\n [BlendFunction.OVERLAY, overlay_default],\n [BlendFunction.PIN_LIGHT, pin_light_default],\n [BlendFunction.REFLECT, reflect_default],\n [BlendFunction.SATURATION, saturation_default],\n [BlendFunction.SCREEN, screen_default],\n [BlendFunction.SOFT_LIGHT, soft_light_default],\n [BlendFunction.SRC, src_default],\n [BlendFunction.SUBTRACT, subtract_default],\n [BlendFunction.VIVID_LIGHT, vivid_light_default]\n]);\nvar BlendMode = class extends EventDispatcher2 {\n /**\n * Constructs a new blend mode.\n *\n * @param {BlendFunction} blendFunction - The blend function.\n * @param {Number} opacity - The opacity of the color that will be blended with the base color.\n */\n constructor(blendFunction, opacity = 1) {\n super();\n this._blendFunction = blendFunction;\n this.opacity = new Uniform2(opacity);\n }\n /**\n * Returns the opacity.\n *\n * @return {Number} The opacity.\n */\n getOpacity() {\n return this.opacity.value;\n }\n /**\n * Sets the opacity.\n *\n * @param {Number} value - The opacity.\n */\n setOpacity(value) {\n this.opacity.value = value;\n }\n /**\n * The blend function.\n *\n * @type {BlendFunction}\n */\n get blendFunction() {\n return this._blendFunction;\n }\n set blendFunction(value) {\n this._blendFunction = value;\n this.dispatchEvent({ type: \"change\" });\n }\n /**\n * Returns the blend function.\n *\n * @deprecated Use blendFunction instead.\n * @return {BlendFunction} The blend function.\n */\n getBlendFunction() {\n return this.blendFunction;\n }\n /**\n * Sets the blend function.\n *\n * @deprecated Use blendFunction instead.\n * @param {BlendFunction} value - The blend function.\n */\n setBlendFunction(value) {\n this.blendFunction = value;\n }\n /**\n * Returns the blend function shader code.\n *\n * @return {String} The blend function shader code.\n */\n getShaderCode() {\n return blendFunctions.get(this.blendFunction);\n }\n};\n\n// src/effects/BloomEffect.js\nimport { SRGBColorSpace as SRGBColorSpace5, Uniform as Uniform7, WebGLRenderTarget as WebGLRenderTarget8 } from \"three\";\n\n// src/enums/KernelSize.js\nvar KernelSize = {\n VERY_SMALL: 0,\n SMALL: 1,\n MEDIUM: 2,\n LARGE: 3,\n VERY_LARGE: 4,\n HUGE: 5\n};\n\n// src/passes/KawaseBlurPass.js\nimport { SRGBColorSpace as SRGBColorSpace3, UnsignedByteType as UnsignedByteType3, WebGLRenderTarget as WebGLRenderTarget4 } from \"three\";\n\n// src/materials/KawaseBlurMaterial.js\nimport { NoBlending as NoBlending2, ShaderMaterial as ShaderMaterial3, Uniform as Uniform3, Vector4 } from \"three\";\n\n// src/materials/glsl/convolution.kawase.frag\nvar convolution_kawase_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nvarying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec4 sum=texture2D(inputBuffer,vUv0);sum+=texture2D(inputBuffer,vUv1);sum+=texture2D(inputBuffer,vUv2);sum+=texture2D(inputBuffer,vUv3);gl_FragColor=sum*0.25;\\n#include \\n}\";\n\n// src/materials/glsl/convolution.kawase.vert\nvar convolution_kawase_default2 = \"uniform vec4 texelSize;uniform float kernel;uniform float scale;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 uv=position.xy*0.5+0.5;vec2 dUv=(texelSize.xy*vec2(kernel)+texelSize.zw)*scale;vUv0=vec2(uv.x-dUv.x,uv.y+dUv.y);vUv1=vec2(uv.x+dUv.x,uv.y+dUv.y);vUv2=vec2(uv.x+dUv.x,uv.y-dUv.y);vUv3=vec2(uv.x-dUv.x,uv.y-dUv.y);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/KawaseBlurMaterial.js\nvar kernelPresets = [\n new Float32Array([0, 0]),\n new Float32Array([0, 1, 1]),\n new Float32Array([0, 1, 1, 2]),\n new Float32Array([0, 1, 2, 2, 3]),\n new Float32Array([0, 1, 2, 3, 4, 4, 5]),\n new Float32Array([0, 1, 2, 3, 4, 5, 7, 8, 9, 10])\n];\nvar KawaseBlurMaterial = class extends ShaderMaterial3 {\n /**\n * Constructs a new convolution material.\n *\n * TODO Remove texelSize param.\n * @param {Vector4} [texelSize] - Deprecated.\n */\n constructor(texelSize = new Vector4()) {\n super({\n name: \"KawaseBlurMaterial\",\n uniforms: {\n inputBuffer: new Uniform3(null),\n texelSize: new Uniform3(new Vector4()),\n scale: new Uniform3(1),\n kernel: new Uniform3(0)\n },\n blending: NoBlending2,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_kawase_default,\n vertexShader: convolution_kawase_default2\n });\n this.setTexelSize(texelSize.x, texelSize.y);\n this.kernelSize = KernelSize.MEDIUM;\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the input buffer.\n *\n * @deprecated Use inputBuffer instead.\n * @param {Texture} value - The input buffer.\n */\n setInputBuffer(value) {\n this.inputBuffer = value;\n }\n /**\n * The kernel sequence for the current kernel size.\n *\n * @type {Float32Array}\n */\n get kernelSequence() {\n return kernelPresets[this.kernelSize];\n }\n /**\n * The blur scale.\n *\n * @type {Number}\n */\n get scale() {\n return this.uniforms.scale.value;\n }\n set scale(value) {\n this.uniforms.scale.value = value;\n }\n /**\n * Returns the blur scale.\n *\n * @deprecated Use scale instead.\n * @return {Number} The scale.\n */\n getScale() {\n return this.uniforms.scale.value;\n }\n /**\n * Sets the blur scale.\n *\n * @deprecated Use scale instead.\n * @return {Number} value - The scale.\n */\n setScale(value) {\n this.uniforms.scale.value = value;\n }\n /**\n * Returns the kernel.\n *\n * @return {Float32Array} The kernel.\n * @deprecated Implementation detail, removed with no replacement.\n */\n getKernel() {\n return null;\n }\n /**\n * The current kernel.\n *\n * @type {Number}\n */\n get kernel() {\n return this.uniforms.kernel.value;\n }\n set kernel(value) {\n this.uniforms.kernel.value = value;\n }\n /**\n * Sets the current kernel.\n *\n * @deprecated Use kernel instead.\n * @param {Number} value - The kernel.\n */\n setKernel(value) {\n this.kernel = value;\n }\n /**\n * Sets the texel size.\n *\n * @deprecated Use setSize() instead.\n * @param {Number} x - The texel width.\n * @param {Number} y - The texel height.\n */\n setTexelSize(x, y) {\n this.uniforms.texelSize.value.set(x, y, x * 0.5, y * 0.5);\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const x = 1 / width, y = 1 / height;\n this.uniforms.texelSize.value.set(x, y, x * 0.5, y * 0.5);\n }\n};\n\n// src/passes/KawaseBlurPass.js\nvar KawaseBlurPass = class extends Pass {\n /**\n * Constructs a new Kawase blur pass.\n *\n * @param {Object} [options] - The options.\n * @param {KernelSize} [options.kernelSize=KernelSize.MEDIUM] - The blur kernel size.\n * @param {Number} [options.resolutionScale=0.5] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n * @param {Number} [options.width=Resolution.AUTO_SIZE] - Deprecated. Use resolutionX instead.\n * @param {Number} [options.height=Resolution.AUTO_SIZE] - Deprecated. Use resolutionY instead.\n */\n constructor({\n kernelSize = KernelSize.MEDIUM,\n resolutionScale = 0.5,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"KawaseBlurPass\");\n this.renderTargetA = new WebGLRenderTarget4(1, 1, { depthBuffer: false });\n this.renderTargetA.texture.name = \"Blur.Target.A\";\n this.renderTargetB = this.renderTargetA.clone();\n this.renderTargetB.texture.name = \"Blur.Target.B\";\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this._blurMaterial = new KawaseBlurMaterial();\n this._blurMaterial.kernelSize = kernelSize;\n this.copyMaterial = new CopyMaterial();\n }\n /**\n * Returns the resolution settings.\n *\n * @deprecated Use resolution instead.\n * @return {Resolution} The resolution.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * The blur material.\n *\n * @type {KawaseBlurMaterial}\n */\n get blurMaterial() {\n return this._blurMaterial;\n }\n /**\n * The blur material.\n *\n * @type {KawaseBlurMaterial}\n * @protected\n */\n set blurMaterial(value) {\n this._blurMaterial = value;\n }\n /**\n * Indicates whether dithering is enabled.\n *\n * @type {Boolean}\n * @deprecated Use copyMaterial.dithering instead.\n */\n get dithering() {\n return this.copyMaterial.dithering;\n }\n set dithering(value) {\n this.copyMaterial.dithering = value;\n }\n /**\n * The kernel size.\n *\n * @type {KernelSize}\n * @deprecated Use blurMaterial.kernelSize instead.\n */\n get kernelSize() {\n return this.blurMaterial.kernelSize;\n }\n set kernelSize(value) {\n this.blurMaterial.kernelSize = value;\n }\n /**\n * The current width of the internal render targets.\n *\n * @type {Number}\n * @deprecated Use resolution.width instead.\n */\n get width() {\n return this.resolution.width;\n }\n /**\n * Sets the render width.\n *\n * @type {Number}\n * @deprecated Use resolution.preferredWidth instead.\n */\n set width(value) {\n this.resolution.preferredWidth = value;\n }\n /**\n * The current height of the internal render targets.\n *\n * @type {Number}\n * @deprecated Use resolution.height instead.\n */\n get height() {\n return this.resolution.height;\n }\n /**\n * Sets the render height.\n *\n * @type {Number}\n * @deprecated Use resolution.preferredHeight instead.\n */\n set height(value) {\n this.resolution.preferredHeight = value;\n }\n /**\n * The current blur scale.\n *\n * @type {Number}\n * @deprecated Use blurMaterial.scale instead.\n */\n get scale() {\n return this.blurMaterial.scale;\n }\n set scale(value) {\n this.blurMaterial.scale = value;\n }\n /**\n * Returns the current blur scale.\n *\n * @deprecated Use blurMaterial.scale instead.\n * @return {Number} The scale.\n */\n getScale() {\n return this.blurMaterial.scale;\n }\n /**\n * Sets the blur scale.\n *\n * @deprecated Use blurMaterial.scale instead.\n * @param {Number} value - The scale.\n */\n setScale(value) {\n this.blurMaterial.scale = value;\n }\n /**\n * Returns the kernel size.\n *\n * @deprecated Use blurMaterial.kernelSize instead.\n * @return {KernelSize} The kernel size.\n */\n getKernelSize() {\n return this.kernelSize;\n }\n /**\n * Sets the kernel size.\n *\n * Larger kernels require more processing power but scale well with larger render resolutions.\n *\n * @deprecated Use blurMaterial.kernelSize instead.\n * @param {KernelSize} value - The kernel size.\n */\n setKernelSize(value) {\n this.kernelSize = value;\n }\n /**\n * Returns the current resolution scale.\n *\n * @return {Number} The resolution scale.\n * @deprecated Use resolution instead.\n */\n getResolutionScale() {\n return this.resolution.scale;\n }\n /**\n * Sets the resolution scale.\n *\n * @param {Number} scale - The new resolution scale.\n * @deprecated Use resolution instead.\n */\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n /**\n * Renders the blur.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const scene = this.scene;\n const camera = this.camera;\n const renderTargetA = this.renderTargetA;\n const renderTargetB = this.renderTargetB;\n const material = this.blurMaterial;\n const kernelSequence = material.kernelSequence;\n let previousBuffer = inputBuffer;\n this.fullscreenMaterial = material;\n for (let i = 0, l = kernelSequence.length; i < l; ++i) {\n const buffer = (i & 1) === 0 ? renderTargetA : renderTargetB;\n material.kernel = kernelSequence[i];\n material.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(buffer);\n renderer.render(scene, camera);\n previousBuffer = buffer;\n }\n this.fullscreenMaterial = this.copyMaterial;\n this.copyMaterial.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(scene, camera);\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.renderTargetA.setSize(w, h);\n this.renderTargetB.setSize(w, h);\n this.blurMaterial.setSize(width, height);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0) {\n this.renderTargetA.texture.type = frameBufferType;\n this.renderTargetB.texture.type = frameBufferType;\n if (frameBufferType !== UnsignedByteType3) {\n this.blurMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n this.copyMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace3) {\n this.renderTargetA.texture.colorSpace = SRGBColorSpace3;\n this.renderTargetB.texture.colorSpace = SRGBColorSpace3;\n }\n }\n }\n /**\n * An auto sizing flag.\n *\n * @type {Number}\n * @deprecated Use {@link Resolution.AUTO_SIZE} instead.\n */\n static get AUTO_SIZE() {\n return Resolution.AUTO_SIZE;\n }\n};\n\n// src/passes/LuminancePass.js\nimport { UnsignedByteType as UnsignedByteType4, WebGLRenderTarget as WebGLRenderTarget5 } from \"three\";\n\n// src/materials/LuminanceMaterial.js\nimport { NoBlending as NoBlending3, REVISION, ShaderMaterial as ShaderMaterial4, Uniform as Uniform4 } from \"three\";\n\n// src/materials/glsl/luminance.frag\nvar luminance_default = \"#include \\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#ifdef RANGE\\nuniform vec2 range;\\n#elif defined(THRESHOLD)\\nuniform float threshold;uniform float smoothing;\\n#endif\\nvarying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);float l=luminance(texel.rgb);\\n#ifdef RANGE\\nfloat low=step(range.x,l);float high=step(l,range.y);l*=low*high;\\n#elif defined(THRESHOLD)\\nl=smoothstep(threshold,threshold+smoothing,l)*l;\\n#endif\\n#ifdef COLOR\\ngl_FragColor=vec4(texel.rgb*clamp(l,0.0,1.0),l);\\n#else\\ngl_FragColor=vec4(l);\\n#endif\\n}\";\n\n// src/materials/LuminanceMaterial.js\nvar LuminanceMaterial = class extends ShaderMaterial4 {\n /**\n * Constructs a new luminance material.\n *\n * @param {Boolean} [colorOutput=false] - Defines whether the shader should output colors scaled with their luminance value.\n * @param {Vector2} [luminanceRange] - If provided, the shader will mask out texels that aren't in the specified luminance range.\n */\n constructor(colorOutput = false, luminanceRange = null) {\n super({\n name: \"LuminanceMaterial\",\n defines: {\n THREE_REVISION: REVISION.replace(/\\D+/g, \"\")\n },\n uniforms: {\n inputBuffer: new Uniform4(null),\n threshold: new Uniform4(0),\n smoothing: new Uniform4(1),\n range: new Uniform4(null)\n },\n blending: NoBlending3,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: luminance_default,\n vertexShader: common_default\n });\n this.colorOutput = colorOutput;\n this.luminanceRange = luminanceRange;\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the input buffer.\n *\n * @deprecated Use inputBuffer instead.\n * @param {Texture} value - The input buffer.\n */\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * The luminance threshold.\n *\n * @type {Number}\n */\n get threshold() {\n return this.uniforms.threshold.value;\n }\n set threshold(value) {\n if (this.smoothing > 0 || value > 0) {\n this.defines.THRESHOLD = \"1\";\n } else {\n delete this.defines.THRESHOLD;\n }\n this.uniforms.threshold.value = value;\n }\n /**\n * Returns the luminance threshold.\n *\n * @deprecated Use threshold instead.\n * @return {Number} The threshold.\n */\n getThreshold() {\n return this.threshold;\n }\n /**\n * Sets the luminance threshold.\n *\n * @deprecated Use threshold instead.\n * @param {Number} value - The threshold.\n */\n setThreshold(value) {\n this.threshold = value;\n }\n /**\n * The luminance threshold smoothing.\n *\n * @type {Number}\n */\n get smoothing() {\n return this.uniforms.smoothing.value;\n }\n set smoothing(value) {\n if (this.threshold > 0 || value > 0) {\n this.defines.THRESHOLD = \"1\";\n } else {\n delete this.defines.THRESHOLD;\n }\n this.uniforms.smoothing.value = value;\n }\n /**\n * Returns the luminance threshold smoothing factor.\n *\n * @deprecated Use smoothing instead.\n * @return {Number} The smoothing factor.\n */\n getSmoothingFactor() {\n return this.smoothing;\n }\n /**\n * Sets the luminance threshold smoothing factor.\n *\n * @deprecated Use smoothing instead.\n * @param {Number} value - The smoothing factor.\n */\n setSmoothingFactor(value) {\n this.smoothing = value;\n }\n /**\n * Indicates whether the luminance threshold is enabled.\n *\n * @type {Boolean}\n * @deprecated Adjust the threshold or smoothing factor instead.\n */\n get useThreshold() {\n return this.threshold > 0 || this.smoothing > 0;\n }\n set useThreshold(value) {\n }\n /**\n * Indicates whether color output is enabled.\n *\n * @type {Boolean}\n */\n get colorOutput() {\n return this.defines.COLOR !== void 0;\n }\n set colorOutput(value) {\n if (value) {\n this.defines.COLOR = \"1\";\n } else {\n delete this.defines.COLOR;\n }\n this.needsUpdate = true;\n }\n /**\n * Indicates whether color output is enabled.\n *\n * @deprecated Use colorOutput instead.\n * @return {Boolean} Whether color output is enabled.\n */\n isColorOutputEnabled(value) {\n return this.colorOutput;\n }\n /**\n * Enables or disables color output.\n *\n * @deprecated Use colorOutput instead.\n * @param {Boolean} value - Whether color output should be enabled.\n */\n setColorOutputEnabled(value) {\n this.colorOutput = value;\n }\n /**\n * Indicates whether luminance masking is enabled.\n *\n * @type {Boolean}\n * @deprecated\n */\n get useRange() {\n return this.luminanceRange !== null;\n }\n set useRange(value) {\n this.luminanceRange = null;\n }\n /**\n * The luminance range. Set to null to disable.\n *\n * @type {Boolean}\n */\n get luminanceRange() {\n return this.uniforms.range.value;\n }\n set luminanceRange(value) {\n if (value !== null) {\n this.defines.RANGE = \"1\";\n } else {\n delete this.defines.RANGE;\n }\n this.uniforms.range.value = value;\n this.needsUpdate = true;\n }\n /**\n * Returns the current luminance range.\n *\n * @deprecated Use luminanceRange instead.\n * @return {Vector2} The luminance range.\n */\n getLuminanceRange() {\n return this.luminanceRange;\n }\n /**\n * Sets a luminance range. Set to null to disable.\n *\n * @deprecated Use luminanceRange instead.\n * @param {Vector2} value - The luminance range.\n */\n setLuminanceRange(value) {\n this.luminanceRange = value;\n }\n};\n\n// src/passes/LuminancePass.js\nvar LuminancePass = class extends Pass {\n /**\n * Constructs a new luminance pass.\n *\n * @param {Object} [options] - The options. See {@link LuminanceMaterial} for additional options.\n * @param {WebGLRenderTarget} [options.renderTarget] - A custom render target.\n * @param {Number} [options.resolutionScale=1.0] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n * @param {Number} [options.width=Resolution.AUTO_SIZE] - Deprecated. Use resolutionX instead.\n * @param {Number} [options.height=Resolution.AUTO_SIZE] - Deprecated. Use resolutionY instead.\n */\n constructor({\n renderTarget,\n luminanceRange,\n colorOutput,\n resolutionScale = 1,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"LuminancePass\");\n this.fullscreenMaterial = new LuminanceMaterial(colorOutput, luminanceRange);\n this.needsSwap = false;\n this.renderTarget = renderTarget;\n if (this.renderTarget === void 0) {\n this.renderTarget = new WebGLRenderTarget5(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"LuminancePass.Target\";\n }\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n /**\n * The luminance texture.\n *\n * @type {Texture}\n */\n get texture() {\n return this.renderTarget.texture;\n }\n /**\n * Returns the luminance texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.renderTarget.texture;\n }\n /**\n * Returns the resolution settings.\n *\n * @deprecated Use resolution instead.\n * @return {Resolution} The resolution.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * Renders the luminance.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const material = this.fullscreenMaterial;\n material.inputBuffer = inputBuffer.texture;\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n renderer.render(this.scene, this.camera);\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - A renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0 && frameBufferType !== UnsignedByteType4) {\n this.renderTarget.texture.type = frameBufferType;\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n }\n }\n};\n\n// src/passes/MipmapBlurPass.js\nimport { SRGBColorSpace as SRGBColorSpace4, UnsignedByteType as UnsignedByteType5, Vector2 as Vector25, WebGLRenderTarget as WebGLRenderTarget6 } from \"three\";\n\n// src/materials/DownsamplingMaterial.js\nimport { NoBlending as NoBlending4, ShaderMaterial as ShaderMaterial5, Uniform as Uniform5, Vector2 as Vector23 } from \"three\";\n\n// src/materials/glsl/convolution.downsampling.frag\nvar convolution_downsampling_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#define WEIGHT_INNER 0.125\\n#define WEIGHT_OUTER 0.0555555\\nvarying vec2 vUv;varying vec2 vUv00;varying vec2 vUv01;varying vec2 vUv02;varying vec2 vUv03;varying vec2 vUv04;varying vec2 vUv05;varying vec2 vUv06;varying vec2 vUv07;varying vec2 vUv08;varying vec2 vUv09;varying vec2 vUv10;varying vec2 vUv11;float clampToBorder(const in vec2 uv){return float(uv.s>=0.0&&uv.s<=1.0&&uv.t>=0.0&&uv.t<=1.0);}void main(){vec4 c=vec4(0.0);vec4 w=WEIGHT_INNER*vec4(clampToBorder(vUv00),clampToBorder(vUv01),clampToBorder(vUv02),clampToBorder(vUv03));c+=w.x*texture2D(inputBuffer,vUv00);c+=w.y*texture2D(inputBuffer,vUv01);c+=w.z*texture2D(inputBuffer,vUv02);c+=w.w*texture2D(inputBuffer,vUv03);w=WEIGHT_OUTER*vec4(clampToBorder(vUv04),clampToBorder(vUv05),clampToBorder(vUv06),clampToBorder(vUv07));c+=w.x*texture2D(inputBuffer,vUv04);c+=w.y*texture2D(inputBuffer,vUv05);c+=w.z*texture2D(inputBuffer,vUv06);c+=w.w*texture2D(inputBuffer,vUv07);w=WEIGHT_OUTER*vec4(clampToBorder(vUv08),clampToBorder(vUv09),clampToBorder(vUv10),clampToBorder(vUv11));c+=w.x*texture2D(inputBuffer,vUv08);c+=w.y*texture2D(inputBuffer,vUv09);c+=w.z*texture2D(inputBuffer,vUv10);c+=w.w*texture2D(inputBuffer,vUv11);c+=WEIGHT_OUTER*texture2D(inputBuffer,vUv);gl_FragColor=c;\\n#include \\n}\";\n\n// src/materials/glsl/convolution.downsampling.vert\nvar convolution_downsampling_default2 = \"uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv00;varying vec2 vUv01;varying vec2 vUv02;varying vec2 vUv03;varying vec2 vUv04;varying vec2 vUv05;varying vec2 vUv06;varying vec2 vUv07;varying vec2 vUv08;varying vec2 vUv09;varying vec2 vUv10;varying vec2 vUv11;void main(){vUv=position.xy*0.5+0.5;vUv00=vUv+texelSize*vec2(-1.0,1.0);vUv01=vUv+texelSize*vec2(1.0,1.0);vUv02=vUv+texelSize*vec2(-1.0,-1.0);vUv03=vUv+texelSize*vec2(1.0,-1.0);vUv04=vUv+texelSize*vec2(-2.0,2.0);vUv05=vUv+texelSize*vec2(0.0,2.0);vUv06=vUv+texelSize*vec2(2.0,2.0);vUv07=vUv+texelSize*vec2(-2.0,0.0);vUv08=vUv+texelSize*vec2(2.0,0.0);vUv09=vUv+texelSize*vec2(-2.0,-2.0);vUv10=vUv+texelSize*vec2(0.0,-2.0);vUv11=vUv+texelSize*vec2(2.0,-2.0);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/DownsamplingMaterial.js\nvar DownsamplingMaterial = class extends ShaderMaterial5 {\n /**\n * Constructs a new downsampling material.\n */\n constructor() {\n super({\n name: \"DownsamplingMaterial\",\n uniforms: {\n inputBuffer: new Uniform5(null),\n texelSize: new Uniform5(new Vector23())\n },\n blending: NoBlending4,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_downsampling_default,\n vertexShader: convolution_downsampling_default2\n });\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/UpsamplingMaterial.js\nimport { NoBlending as NoBlending5, ShaderMaterial as ShaderMaterial6, Uniform as Uniform6, Vector2 as Vector24 } from \"three\";\n\n// src/materials/glsl/convolution.upsampling.frag\nvar convolution_upsampling_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;uniform mediump sampler2D supportBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;uniform lowp sampler2D supportBuffer;\\n#endif\\nuniform float radius;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;varying vec2 vUv6;varying vec2 vUv7;void main(){vec4 c=vec4(0.0);c+=texture2D(inputBuffer,vUv0)*0.0625;c+=texture2D(inputBuffer,vUv1)*0.125;c+=texture2D(inputBuffer,vUv2)*0.0625;c+=texture2D(inputBuffer,vUv3)*0.125;c+=texture2D(inputBuffer,vUv)*0.25;c+=texture2D(inputBuffer,vUv4)*0.125;c+=texture2D(inputBuffer,vUv5)*0.0625;c+=texture2D(inputBuffer,vUv6)*0.125;c+=texture2D(inputBuffer,vUv7)*0.0625;vec4 baseColor=texture2D(supportBuffer,vUv);gl_FragColor=mix(baseColor,c,radius);\\n#include \\n}\";\n\n// src/materials/glsl/convolution.upsampling.vert\nvar convolution_upsampling_default2 = \"uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;varying vec2 vUv6;varying vec2 vUv7;void main(){vUv=position.xy*0.5+0.5;vUv0=vUv+texelSize*vec2(-1.0,1.0);vUv1=vUv+texelSize*vec2(0.0,1.0);vUv2=vUv+texelSize*vec2(1.0,1.0);vUv3=vUv+texelSize*vec2(-1.0,0.0);vUv4=vUv+texelSize*vec2(1.0,0.0);vUv5=vUv+texelSize*vec2(-1.0,-1.0);vUv6=vUv+texelSize*vec2(0.0,-1.0);vUv7=vUv+texelSize*vec2(1.0,-1.0);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/UpsamplingMaterial.js\nvar UpsamplingMaterial = class extends ShaderMaterial6 {\n /**\n * Constructs a new upsampling material.\n */\n constructor() {\n super({\n name: \"UpsamplingMaterial\",\n uniforms: {\n inputBuffer: new Uniform6(null),\n supportBuffer: new Uniform6(null),\n texelSize: new Uniform6(new Vector24()),\n radius: new Uniform6(0.85)\n },\n blending: NoBlending5,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_upsampling_default,\n vertexShader: convolution_upsampling_default2\n });\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * A support buffer.\n *\n * @type {Texture}\n */\n set supportBuffer(value) {\n this.uniforms.supportBuffer.value = value;\n }\n /**\n * The blur radius.\n *\n * @type {Number}\n */\n get radius() {\n return this.uniforms.radius.value;\n }\n set radius(value) {\n this.uniforms.radius.value = value;\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/passes/MipmapBlurPass.js\nvar MipmapBlurPass = class extends Pass {\n /**\n * Constructs a new mipmap blur pass.\n *\n * @param {Object} [options] - The options.\n */\n constructor() {\n super(\"MipmapBlurPass\");\n this.needsSwap = false;\n this.renderTarget = new WebGLRenderTarget6(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"Upsampling.Mipmap0\";\n this.downsamplingMipmaps = [];\n this.upsamplingMipmaps = [];\n this.downsamplingMaterial = new DownsamplingMaterial();\n this.upsamplingMaterial = new UpsamplingMaterial();\n this.resolution = new Vector25();\n }\n /**\n * A texture that contains the blurred result.\n *\n * @type {Texture}\n */\n get texture() {\n return this.renderTarget.texture;\n }\n /**\n * The MIP levels. Default is 8.\n *\n * @type {Number}\n */\n get levels() {\n return this.downsamplingMipmaps.length;\n }\n set levels(value) {\n if (this.levels !== value) {\n const renderTarget = this.renderTarget;\n this.dispose();\n this.downsamplingMipmaps = [];\n this.upsamplingMipmaps = [];\n for (let i = 0; i < value; ++i) {\n const mipmap = renderTarget.clone();\n mipmap.texture.name = \"Downsampling.Mipmap\" + i;\n this.downsamplingMipmaps.push(mipmap);\n }\n this.upsamplingMipmaps.push(renderTarget);\n for (let i = 1, l = value - 1; i < l; ++i) {\n const mipmap = renderTarget.clone();\n mipmap.texture.name = \"Upsampling.Mipmap\" + i;\n this.upsamplingMipmaps.push(mipmap);\n }\n this.setSize(this.resolution.x, this.resolution.y);\n }\n }\n /**\n * The blur radius.\n *\n * @type {Number}\n */\n get radius() {\n return this.upsamplingMaterial.radius;\n }\n set radius(value) {\n this.upsamplingMaterial.radius = value;\n }\n /**\n * Renders the blur.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const { scene, camera } = this;\n const { downsamplingMaterial, upsamplingMaterial } = this;\n const { downsamplingMipmaps, upsamplingMipmaps } = this;\n let previousBuffer = inputBuffer;\n this.fullscreenMaterial = downsamplingMaterial;\n for (let i = 0, l = downsamplingMipmaps.length; i < l; ++i) {\n const mipmap = downsamplingMipmaps[i];\n downsamplingMaterial.setSize(previousBuffer.width, previousBuffer.height);\n downsamplingMaterial.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(mipmap);\n renderer.render(scene, camera);\n previousBuffer = mipmap;\n }\n this.fullscreenMaterial = upsamplingMaterial;\n for (let i = upsamplingMipmaps.length - 1; i >= 0; --i) {\n const mipmap = upsamplingMipmaps[i];\n upsamplingMaterial.setSize(previousBuffer.width, previousBuffer.height);\n upsamplingMaterial.inputBuffer = previousBuffer.texture;\n upsamplingMaterial.supportBuffer = downsamplingMipmaps[i].texture;\n renderer.setRenderTarget(mipmap);\n renderer.render(scene, camera);\n previousBuffer = mipmap;\n }\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.set(width, height);\n let w = resolution.width, h = resolution.height;\n for (let i = 0, l = this.downsamplingMipmaps.length; i < l; ++i) {\n w = Math.round(w * 0.5);\n h = Math.round(h * 0.5);\n this.downsamplingMipmaps[i].setSize(w, h);\n if (i < this.upsamplingMipmaps.length) {\n this.upsamplingMipmaps[i].setSize(w, h);\n }\n }\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0) {\n const mipmaps = this.downsamplingMipmaps.concat(this.upsamplingMipmaps);\n for (const mipmap of mipmaps) {\n mipmap.texture.type = frameBufferType;\n }\n if (frameBufferType !== UnsignedByteType5) {\n this.downsamplingMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n this.upsamplingMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace4) {\n for (const mipmap of mipmaps) {\n mipmap.texture.colorSpace = SRGBColorSpace4;\n }\n }\n }\n }\n /**\n * Deletes internal render targets and textures.\n */\n dispose() {\n super.dispose();\n for (const mipmap of this.downsamplingMipmaps.concat(this.upsamplingMipmaps)) {\n mipmap.dispose();\n }\n }\n};\n\n// src/effects/Effect.js\nimport {\n BasicDepthPacking as BasicDepthPacking2,\n EventDispatcher as EventDispatcher3,\n LinearSRGBColorSpace as LinearSRGBColorSpace2,\n Material as Material2,\n NoColorSpace,\n Texture as Texture2,\n WebGLRenderTarget as WebGLRenderTarget7\n} from \"three\";\nvar Effect = class extends EventDispatcher3 {\n /**\n * Constructs a new effect.\n *\n * @param {String} name - The name of this effect. Doesn't have to be unique.\n * @param {String} fragmentShader - The fragment shader. This shader is required.\n * @param {Object} [options] - Additional options.\n * @param {EffectAttribute} [options.attributes=EffectAttribute.NONE] - The effect attributes that determine the execution priority and resource requirements.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.NORMAL] - The blend function of this effect.\n * @param {Map} [options.defines] - Custom preprocessor macro definitions. Keys are names and values are code.\n * @param {Map} [options.uniforms] - Custom shader uniforms. Keys are names and values are uniforms.\n * @param {Set} [options.extensions] - WebGL extensions.\n * @param {String} [options.vertexShader=null] - The vertex shader. Most effects don't need one.\n */\n constructor(name, fragmentShader, {\n attributes = EffectAttribute.NONE,\n blendFunction = BlendFunction.NORMAL,\n defines = /* @__PURE__ */ new Map(),\n uniforms = /* @__PURE__ */ new Map(),\n extensions = null,\n vertexShader = null\n } = {}) {\n super();\n this.name = name;\n this.renderer = null;\n this.attributes = attributes;\n this.fragmentShader = fragmentShader;\n this.vertexShader = vertexShader;\n this.defines = defines;\n this.uniforms = uniforms;\n this.extensions = extensions;\n this.blendMode = new BlendMode(blendFunction);\n this.blendMode.addEventListener(\"change\", (event) => this.setChanged());\n this._inputColorSpace = LinearSRGBColorSpace2;\n this._outputColorSpace = NoColorSpace;\n }\n /**\n * The input color space.\n *\n * @type {ColorSpace}\n * @experimental\n */\n get inputColorSpace() {\n return this._inputColorSpace;\n }\n /**\n * @type {ColorSpace}\n * @protected\n * @experimental\n */\n set inputColorSpace(value) {\n this._inputColorSpace = value;\n this.setChanged();\n }\n /**\n * The output color space.\n *\n * Should only be changed if this effect converts the input colors to a different color space.\n *\n * @type {ColorSpace}\n * @experimental\n */\n get outputColorSpace() {\n return this._outputColorSpace;\n }\n /**\n * @type {ColorSpace}\n * @protected\n * @experimental\n */\n set outputColorSpace(value) {\n this._outputColorSpace = value;\n this.setChanged();\n }\n /**\n * Sets the main scene.\n *\n * @type {Scene}\n */\n set mainScene(value) {\n }\n /**\n * Sets the main camera.\n *\n * @type {Camera}\n */\n set mainCamera(value) {\n }\n /**\n * Returns the name of this effect.\n *\n * @deprecated Use name instead.\n * @return {String} The name.\n */\n getName() {\n return this.name;\n }\n /**\n * Sets the renderer.\n *\n * @deprecated\n * @param {WebGLRenderer} renderer - The renderer.\n */\n setRenderer(renderer) {\n this.renderer = renderer;\n }\n /**\n * Returns the preprocessor macro definitions.\n *\n * @deprecated Use defines instead.\n * @return {Map} The extensions.\n */\n getDefines() {\n return this.defines;\n }\n /**\n * Returns the uniforms of this effect.\n *\n * @deprecated Use uniforms instead.\n * @return {Map} The extensions.\n */\n getUniforms() {\n return this.uniforms;\n }\n /**\n * Returns the WebGL extensions that are required by this effect.\n *\n * @deprecated Use extensions instead.\n * @return {Set} The extensions.\n */\n getExtensions() {\n return this.extensions;\n }\n /**\n * Returns the blend mode.\n *\n * The result of this effect will be blended with the result of the previous effect using this blend mode.\n *\n * @deprecated Use blendMode instead.\n * @return {BlendMode} The blend mode.\n */\n getBlendMode() {\n return this.blendMode;\n }\n /**\n * Returns the effect attributes.\n *\n * @return {EffectAttribute} The attributes.\n */\n getAttributes() {\n return this.attributes;\n }\n /**\n * Sets the effect attributes.\n *\n * Effects that have the same attributes will be executed in the order in which they were registered. Some attributes\n * imply a higher priority.\n *\n * @protected\n * @param {EffectAttribute} attributes - The attributes.\n */\n setAttributes(attributes) {\n this.attributes = attributes;\n this.setChanged();\n }\n /**\n * Returns the fragment shader.\n *\n * @return {String} The fragment shader.\n */\n getFragmentShader() {\n return this.fragmentShader;\n }\n /**\n * Sets the fragment shader.\n *\n * @protected\n * @param {String} fragmentShader - The fragment shader.\n */\n setFragmentShader(fragmentShader) {\n this.fragmentShader = fragmentShader;\n this.setChanged();\n }\n /**\n * Returns the vertex shader.\n *\n * @return {String} The vertex shader.\n */\n getVertexShader() {\n return this.vertexShader;\n }\n /**\n * Sets the vertex shader.\n *\n * @protected\n * @param {String} vertexShader - The vertex shader.\n */\n setVertexShader(vertexShader) {\n this.vertexShader = vertexShader;\n this.setChanged();\n }\n /**\n * Informs the associated {@link EffectPass} that this effect requires a shader recompilation.\n *\n * Should be called after changing macros or extensions and after adding/removing uniforms.\n *\n * @protected\n */\n setChanged() {\n this.dispatchEvent({ type: \"change\" });\n }\n /**\n * Sets the depth texture.\n *\n * You may override this method if your effect requires direct access to the depth texture that is bound to the\n * associated {@link EffectPass}.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking2) {\n }\n /**\n * Updates this effect by performing supporting operations.\n *\n * This method is called by the {@link EffectPass} right before the main fullscreen render operation, even if the\n * blend function is set to `SKIP`.\n *\n * You may override this method if you need to update custom uniforms or render additional off-screen textures.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n }\n /**\n * Updates the size of this effect.\n *\n * You may override this method if you want to be informed about the size of the backbuffer/canvas.\n * This method is called before {@link initialize} and every time the size of the {@link EffectComposer} changes.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n }\n /**\n * Performs initialization tasks.\n *\n * This method is called when the associated {@link EffectPass} is added to an {@link EffectComposer}.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n * @example if(!alpha && frameBufferType === UnsignedByteType) { this.myRenderTarget.texture.format = RGBFormat; }\n */\n initialize(renderer, alpha, frameBufferType) {\n }\n /**\n * Performs a shallow search for properties that define a dispose method and deletes them.\n *\n * The {@link EffectComposer} calls this method when it is being destroyed.\n */\n dispose() {\n for (const key of Object.keys(this)) {\n const property = this[key];\n const isDisposable = property instanceof WebGLRenderTarget7 || property instanceof Material2 || property instanceof Texture2 || property instanceof Pass;\n if (isDisposable) {\n this[key].dispose();\n }\n }\n }\n};\n\n// src/effects/glsl/bloom.frag\nvar bloom_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nuniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec4 texel=texture2D(map,uv);outputColor=vec4(texel.rgb*intensity,texel.a);}\";\n\n// src/effects/BloomEffect.js\nvar BloomEffect = class extends Effect {\n /**\n * Constructs a new bloom effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SCREEN] - The blend function of this effect.\n * @param {Number} [options.luminanceThreshold=0.9] - The luminance threshold. Raise this value to mask out darker elements in the scene.\n * @param {Number} [options.luminanceSmoothing=0.025] - Controls the smoothness of the luminance threshold.\n * @param {Boolean} [options.mipmapBlur=false] - Enables or disables mipmap blur.\n * @param {Number} [options.intensity=1.0] - The bloom intensity.\n * @param {Number} [options.radius=0.85] - The blur radius. Only applies to mipmap blur.\n * @param {Number} [options.levels=8] - The amount of MIP levels. Only applies to mipmap blur.\n * @param {KernelSize} [options.kernelSize=KernelSize.LARGE] - Deprecated. Use mipmapBlur instead.\n * @param {Number} [options.resolutionScale=0.5] - Deprecated. Use mipmapBlur instead.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - Deprecated. Use mipmapBlur instead.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - Deprecated. Use mipmapBlur instead.\n * @param {Number} [options.width=Resolution.AUTO_SIZE] - Deprecated. Use mipmapBlur instead.\n * @param {Number} [options.height=Resolution.AUTO_SIZE] - Deprecated. Use mipmapBlur instead.\n */\n constructor({\n blendFunction = BlendFunction.SCREEN,\n luminanceThreshold = 0.9,\n luminanceSmoothing = 0.025,\n mipmapBlur = false,\n intensity = 1,\n radius = 0.85,\n levels = 8,\n kernelSize = KernelSize.LARGE,\n resolutionScale = 0.5,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"BloomEffect\", bloom_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"map\", new Uniform7(null)],\n [\"intensity\", new Uniform7(intensity)]\n ])\n });\n this.renderTarget = new WebGLRenderTarget8(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"Bloom.Target\";\n this.blurPass = new KawaseBlurPass({ kernelSize });\n this.luminancePass = new LuminancePass({ colorOutput: true });\n this.luminanceMaterial.threshold = luminanceThreshold;\n this.luminanceMaterial.smoothing = luminanceSmoothing;\n this.mipmapBlurPass = new MipmapBlurPass();\n this.mipmapBlurPass.enabled = mipmapBlur;\n this.mipmapBlurPass.radius = radius;\n this.mipmapBlurPass.levels = levels;\n this.uniforms.get(\"map\").value = mipmapBlur ? this.mipmapBlurPass.texture : this.renderTarget.texture;\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n /**\n * A texture that contains the intermediate result of this effect.\n *\n * @type {Texture}\n */\n get texture() {\n return this.mipmapBlurPass.enabled ? this.mipmapBlurPass.texture : this.renderTarget.texture;\n }\n /**\n * Returns the generated bloom texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.texture;\n }\n /**\n * Returns the resolution settings.\n *\n * @deprecated Use resolution instead.\n * @return {Resolution} The resolution.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * Returns the blur pass.\n *\n * @deprecated\n * @return {KawaseBlurPass} The blur pass.\n */\n getBlurPass() {\n return this.blurPass;\n }\n /**\n * Returns the luminance pass.\n *\n * @deprecated Use luminancePass instead.\n * @return {LuminancePass} The luminance pass.\n */\n getLuminancePass() {\n return this.luminancePass;\n }\n /**\n * The luminance material.\n *\n * @type {LuminanceMaterial}\n */\n get luminanceMaterial() {\n return this.luminancePass.fullscreenMaterial;\n }\n /**\n * Returns the luminance material.\n *\n * @deprecated Use luminanceMaterial instead.\n * @return {LuminanceMaterial} The material.\n */\n getLuminanceMaterial() {\n return this.luminancePass.fullscreenMaterial;\n }\n /**\n * The current width of the internal render targets.\n *\n * @type {Number}\n * @deprecated\n */\n get width() {\n return this.resolution.width;\n }\n set width(value) {\n this.resolution.preferredWidth = value;\n }\n /**\n * The current height of the internal render targets.\n *\n * @type {Number}\n * @deprecated\n */\n get height() {\n return this.resolution.height;\n }\n set height(value) {\n this.resolution.preferredHeight = value;\n }\n /**\n * Indicates whether dithering is enabled.\n *\n * @type {Boolean}\n * @deprecated Use EffectPass.dithering instead.\n */\n get dithering() {\n return this.blurPass.dithering;\n }\n set dithering(value) {\n this.blurPass.dithering = value;\n }\n /**\n * The blur kernel size.\n *\n * @type {KernelSize}\n * @deprecated\n */\n get kernelSize() {\n return this.blurPass.kernelSize;\n }\n set kernelSize(value) {\n this.blurPass.kernelSize = value;\n }\n /**\n * @type {Number}\n * @deprecated\n */\n get distinction() {\n console.warn(this.name, \"distinction was removed\");\n return 1;\n }\n set distinction(value) {\n console.warn(this.name, \"distinction was removed\");\n }\n /**\n * The bloom intensity.\n *\n * @type {Number}\n */\n get intensity() {\n return this.uniforms.get(\"intensity\").value;\n }\n set intensity(value) {\n this.uniforms.get(\"intensity\").value = value;\n }\n /**\n * The bloom intensity.\n *\n * @deprecated Use intensity instead.\n * @return {Number} The intensity.\n */\n getIntensity() {\n return this.intensity;\n }\n /**\n * Sets the bloom intensity.\n *\n * @deprecated Use intensity instead.\n * @param {Number} value - The intensity.\n */\n setIntensity(value) {\n this.intensity = value;\n }\n /**\n * Returns the current resolution scale.\n *\n * @return {Number} The resolution scale.\n * @deprecated\n */\n getResolutionScale() {\n return this.resolution.scale;\n }\n /**\n * Sets the resolution scale.\n *\n * @param {Number} scale - The new resolution scale.\n * @deprecated\n */\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n const renderTarget = this.renderTarget;\n const luminancePass = this.luminancePass;\n if (luminancePass.enabled) {\n luminancePass.render(renderer, inputBuffer);\n if (this.mipmapBlurPass.enabled) {\n this.mipmapBlurPass.render(renderer, luminancePass.renderTarget);\n } else {\n this.blurPass.render(renderer, luminancePass.renderTarget, renderTarget);\n }\n } else {\n if (this.mipmapBlurPass.enabled) {\n this.mipmapBlurPass.render(renderer, inputBuffer);\n } else {\n this.blurPass.render(renderer, inputBuffer, renderTarget);\n }\n }\n }\n /**\n * Updates the size of internal render targets.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n this.blurPass.resolution.copy(resolution);\n this.luminancePass.setSize(width, height);\n this.mipmapBlurPass.setSize(width, height);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n this.blurPass.initialize(renderer, alpha, frameBufferType);\n this.luminancePass.initialize(renderer, alpha, frameBufferType);\n this.mipmapBlurPass.initialize(renderer, alpha, frameBufferType);\n if (frameBufferType !== void 0) {\n this.renderTarget.texture.type = frameBufferType;\n if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace5) {\n this.renderTarget.texture.colorSpace = SRGBColorSpace5;\n }\n }\n }\n};\n\n// src/effects/BokehEffect.js\nimport { Uniform as Uniform8 } from \"three\";\n\n// src/effects/glsl/bokeh.frag\nvar bokeh_default = \"uniform float focus;uniform float dof;uniform float aperture;uniform float maxBlur;void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){vec2 aspectCorrection=vec2(1.0,aspect);\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(depth,cameraNear,cameraFar);float linearDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearDepth=depth;\\n#endif\\nfloat focusNear=clamp(focus-dof,0.0,1.0);float focusFar=clamp(focus+dof,0.0,1.0);float low=step(linearDepth,focusNear);float high=step(focusFar,linearDepth);float factor=(linearDepth-focusNear)*low+(linearDepth-focusFar)*high;vec2 dofBlur=vec2(clamp(factor*aperture,-maxBlur,maxBlur));vec2 dofblur9=dofBlur*0.9;vec2 dofblur7=dofBlur*0.7;vec2 dofblur4=dofBlur*0.4;vec4 color=inputColor;color+=texture2D(inputBuffer,uv+(vec2(0.0,0.4)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.15,0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.29,0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.37,0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.40,0.0)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.37,-0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.29,-0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.15,-0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.0,-0.4)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.15,0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.29,0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.37,0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.4,0.0)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.37,-0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.29,-0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.15,-0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.15,0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.37,0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.37,-0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.15,-0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.15,0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.37,0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.37,-0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.15,-0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.29,0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.40,0.0)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.29,-0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.0,-0.4)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(-0.29,0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(-0.4,0.0)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(-0.29,-0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.0,0.4)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.29,0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.4,0.0)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.29,-0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.0,-0.4)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(-0.29,0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(-0.4,0.0)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(-0.29,-0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.0,0.4)*aspectCorrection)*dofblur4);outputColor=color/41.0;}\";\n\n// src/effects/BokehEffect.js\nvar BokehEffect = class extends Effect {\n /**\n * Constructs a new bokeh effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction] - The blend function of this effect.\n * @param {Number} [options.focus=0.5] - The focus distance ratio, ranging from 0.0 to 1.0.\n * @param {Number} [options.dof=0.02] - Depth of field. An area in front of and behind the focal point that still appears sharp.\n * @param {Number} [options.aperture=0.015] - Camera aperture scale. Bigger values for stronger blur and shallower depth of field.\n * @param {Number} [options.maxBlur=1.0] - The maximum blur strength.\n */\n constructor({\n blendFunction,\n focus = 0.5,\n dof = 0.02,\n aperture = 0.015,\n maxBlur = 1\n } = {}) {\n super(\"BokehEffect\", bokeh_default, {\n blendFunction,\n attributes: EffectAttribute.CONVOLUTION | EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"focus\", new Uniform8(focus)],\n [\"dof\", new Uniform8(dof)],\n [\"aperture\", new Uniform8(aperture)],\n [\"maxBlur\", new Uniform8(maxBlur)]\n ])\n });\n }\n};\n\n// src/effects/BrightnessContrastEffect.js\nimport { SRGBColorSpace as SRGBColorSpace6, Uniform as Uniform9 } from \"three\";\n\n// src/effects/glsl/brightness-contrast.frag\nvar brightness_contrast_default = \"uniform float brightness;uniform float contrast;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=inputColor.rgb+vec3(brightness-0.5);if(contrast>0.0){color/=vec3(1.0-contrast);}else{color*=vec3(1.0+contrast);}outputColor=vec4(color+vec3(0.5),inputColor.a);}\";\n\n// src/effects/BrightnessContrastEffect.js\nvar BrightnessContrastEffect = class extends Effect {\n /**\n * Constructs a new brightness/contrast effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SRC] - The blend function of this effect.\n * @param {Number} [options.brightness=0.0] - The brightness factor, ranging from -1 to 1, where 0 means no change.\n * @param {Number} [options.contrast=0.0] - The contrast factor, ranging from -1 to 1, where 0 means no change.\n */\n constructor({ blendFunction = BlendFunction.SRC, brightness = 0, contrast = 0 } = {}) {\n super(\"BrightnessContrastEffect\", brightness_contrast_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"brightness\", new Uniform9(brightness)],\n [\"contrast\", new Uniform9(contrast)]\n ])\n });\n this.inputColorSpace = SRGBColorSpace6;\n }\n /**\n * The brightness.\n *\n * @type {Number}\n */\n get brightness() {\n return this.uniforms.get(\"brightness\").value;\n }\n set brightness(value) {\n this.uniforms.get(\"brightness\").value = value;\n }\n /**\n * Returns the brightness.\n *\n * @deprecated Use brightness instead.\n * @return {Number} The brightness.\n */\n getBrightness() {\n return this.brightness;\n }\n /**\n * Sets the brightness.\n *\n * @deprecated Use brightness instead.\n * @param {Number} value - The brightness.\n */\n setBrightness(value) {\n this.brightness = value;\n }\n /**\n * The contrast.\n *\n * @type {Number}\n */\n get contrast() {\n return this.uniforms.get(\"contrast\").value;\n }\n set contrast(value) {\n this.uniforms.get(\"contrast\").value = value;\n }\n /**\n * Returns the contrast.\n *\n * @deprecated Use contrast instead.\n * @return {Number} The contrast.\n */\n getContrast() {\n return this.contrast;\n }\n /**\n * Sets the contrast.\n *\n * @deprecated Use contrast instead.\n * @param {Number} value - The contrast.\n */\n setContrast(value) {\n this.contrast = value;\n }\n};\n\n// src/effects/glsl/color-average.frag\nvar color_average_default = \"void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=vec4(vec3(average(inputColor.rgb)),inputColor.a);}\";\n\n// src/effects/ColorAverageEffect.js\nvar ColorAverageEffect = class extends Effect {\n /**\n * Constructs a new color average effect.\n *\n * @param {BlendFunction} [blendFunction] - The blend function of this effect.\n */\n constructor(blendFunction) {\n super(\"ColorAverageEffect\", color_average_default, { blendFunction });\n }\n};\n\n// src/effects/ColorDepthEffect.js\nimport { Uniform as Uniform10 } from \"three\";\n\n// src/effects/glsl/color-depth.frag\nvar color_depth_default = \"uniform float factor;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=vec4(floor(inputColor.rgb*factor+0.5)/factor,inputColor.a);}\";\n\n// src/effects/ColorDepthEffect.js\nvar ColorDepthEffect = class extends Effect {\n /**\n * Constructs a new color depth effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction] - The blend function of this effect.\n * @param {Number} [options.bits=16] - The color bit depth.\n */\n constructor({ blendFunction, bits = 16 } = {}) {\n super(\"ColorDepthEffect\", color_depth_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"factor\", new Uniform10(1)]\n ])\n });\n this.bits = 0;\n this.bitDepth = bits;\n }\n /**\n * The virtual amount of color bits.\n *\n * Each color channel effectively uses a fourth of the total amount of bits. Alpha remains unaffected.\n *\n * @type {Number}\n */\n get bitDepth() {\n return this.bits;\n }\n set bitDepth(value) {\n this.bits = value;\n this.uniforms.get(\"factor\").value = Math.pow(2, value / 3);\n }\n /**\n * Returns the current color bit depth.\n *\n * @return {Number} The bit depth.\n */\n getBitDepth() {\n return this.bitDepth;\n }\n /**\n * Sets the virtual amount of color bits.\n *\n * @param {Number} value - The bit depth.\n */\n setBitDepth(value) {\n this.bitDepth = value;\n }\n};\n\n// src/effects/ChromaticAberrationEffect.js\nimport { Uniform as Uniform11, Vector2 as Vector26 } from \"three\";\n\n// src/effects/glsl/chromatic-aberration.frag\nvar chromatic_aberration_default = \"#ifdef RADIAL_MODULATION\\nuniform float modulationOffset;\\n#endif\\nvarying float vActive;varying vec2 vUvR;varying vec2 vUvB;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec2 ra=inputColor.ra;vec2 ba=inputColor.ba;\\n#ifdef RADIAL_MODULATION\\nconst vec2 center=vec2(0.5);float d=distance(uv,center)*2.0;d=max(d-modulationOffset,0.0);if(vActive>0.0&&d>0.0){ra=texture2D(inputBuffer,mix(uv,vUvR,d)).ra;ba=texture2D(inputBuffer,mix(uv,vUvB,d)).ba;}\\n#else\\nif(vActive>0.0){ra=texture2D(inputBuffer,vUvR).ra;ba=texture2D(inputBuffer,vUvB).ba;}\\n#endif\\noutputColor=vec4(ra.x,inputColor.g,ba.x,max(max(ra.y,ba.y),inputColor.a));}\";\n\n// src/effects/glsl/chromatic-aberration.vert\nvar chromatic_aberration_default2 = \"uniform vec2 offset;varying float vActive;varying vec2 vUvR;varying vec2 vUvB;void mainSupport(const in vec2 uv){vec2 shift=offset*vec2(1.0,aspect);vActive=(shift.x!=0.0||shift.y!=0.0)?1.0:0.0;vUvR=uv+shift;vUvB=uv-shift;}\";\n\n// src/effects/ChromaticAberrationEffect.js\nvar ChromaticAberrationEffect = class extends Effect {\n /**\n * Constructs a new chromatic aberration effect.\n *\n * @param {Object} [options] - The options.\n * @param {Vector2} [options.offset] - The color offset.\n * @param {Boolean} [options.radialModulation=false] - Whether the effect should be modulated with a radial gradient.\n * @param {Number} [options.modulationOffset=0.15] - The modulation offset. Only applies if `radialModulation` is enabled.\n */\n constructor({\n offset = new Vector26(1e-3, 5e-4),\n radialModulation = false,\n modulationOffset = 0.15\n } = {}) {\n super(\"ChromaticAberrationEffect\", chromatic_aberration_default, {\n vertexShader: chromatic_aberration_default2,\n attributes: EffectAttribute.CONVOLUTION,\n uniforms: /* @__PURE__ */ new Map([\n [\"offset\", new Uniform11(offset)],\n [\"modulationOffset\", new Uniform11(modulationOffset)]\n ])\n });\n this.radialModulation = radialModulation;\n }\n /**\n * The color offset.\n *\n * @type {Vector2}\n */\n get offset() {\n return this.uniforms.get(\"offset\").value;\n }\n set offset(value) {\n this.uniforms.get(\"offset\").value = value;\n }\n /**\n * Indicates whether radial modulation is enabled.\n *\n * When enabled, the effect will be weaker in the middle and stronger towards the screen edges.\n *\n * @type {Boolean}\n */\n get radialModulation() {\n return this.defines.has(\"RADIAL_MODULATION\");\n }\n set radialModulation(value) {\n if (value) {\n this.defines.set(\"RADIAL_MODULATION\", \"1\");\n } else {\n this.defines.delete(\"RADIAL_MODULATION\");\n }\n this.setChanged();\n }\n /**\n * The modulation offset.\n *\n * @type {Number}\n */\n get modulationOffset() {\n return this.uniforms.get(\"modulationOffset\").value;\n }\n set modulationOffset(value) {\n this.uniforms.get(\"modulationOffset\").value = value;\n }\n /**\n * Returns the color offset vector.\n *\n * @deprecated Use offset instead.\n * @return {Vector2} The offset.\n */\n getOffset() {\n return this.offset;\n }\n /**\n * Sets the color offset vector.\n *\n * @deprecated Use offset instead.\n * @param {Vector2} value - The offset.\n */\n setOffset(value) {\n this.offset = value;\n }\n};\n\n// src/effects/glsl/depth.frag\nvar depth_default = \"void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){\\n#ifdef INVERTED\\nvec3 color=vec3(1.0-depth);\\n#else\\nvec3 color=vec3(depth);\\n#endif\\noutputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/DepthEffect.js\nvar DepthEffect = class extends Effect {\n /**\n * Constructs a new depth effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SRC] - The blend function of this effect.\n * @param {Boolean} [options.inverted=false] - Whether the depth should be inverted.\n */\n constructor({ blendFunction = BlendFunction.SRC, inverted = false } = {}) {\n super(\"DepthEffect\", depth_default, {\n blendFunction,\n attributes: EffectAttribute.DEPTH\n });\n this.inverted = inverted;\n }\n /**\n * Indicates whether depth should be inverted.\n *\n * @type {Boolean}\n */\n get inverted() {\n return this.defines.has(\"INVERTED\");\n }\n set inverted(value) {\n if (this.inverted !== value) {\n if (value) {\n this.defines.set(\"INVERTED\", \"1\");\n } else {\n this.defines.delete(\"INVERTED\");\n }\n this.setChanged();\n }\n }\n /**\n * Indicates whether the rendered depth is inverted.\n *\n * @deprecated Use inverted instead.\n * @return {Boolean} Whether the rendered depth is inverted.\n */\n isInverted() {\n return this.inverted;\n }\n /**\n * Enables or disables depth inversion.\n *\n * @deprecated Use inverted instead.\n * @param {Boolean} value - Whether depth should be inverted.\n */\n setInverted(value) {\n this.inverted = value;\n }\n};\n\n// src/effects/DepthOfFieldEffect.js\nimport { BasicDepthPacking as BasicDepthPacking4, SRGBColorSpace as SRGBColorSpace7, Uniform as Uniform15, UnsignedByteType as UnsignedByteType8, WebGLRenderTarget as WebGLRenderTarget9 } from \"three\";\n\n// src/enums/ColorChannel.js\nvar ColorChannel = {\n RED: 0,\n GREEN: 1,\n BLUE: 2,\n ALPHA: 3\n};\n\n// src/enums/MaskFunction.js\nvar MaskFunction = {\n DISCARD: 0,\n MULTIPLY: 1,\n MULTIPLY_RGB_SET_ALPHA: 2,\n MULTIPLY_RGB: 3\n};\n\n// src/materials/BokehMaterial.js\nimport { NoBlending as NoBlending6, ShaderMaterial as ShaderMaterial7, Uniform as Uniform12, Vector2 as Vector27 } from \"three\";\n\n// src/materials/glsl/convolution.bokeh.frag\nvar convolution_bokeh_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#if PASS == 1\\nuniform vec4 kernel64[32];\\n#else\\nuniform vec4 kernel16[8];\\n#endif\\nuniform lowp sampler2D cocBuffer;uniform vec2 texelSize;uniform float scale;varying vec2 vUv;void main(){\\n#ifdef FOREGROUND\\nvec2 cocNearFar=texture2D(cocBuffer,vUv).rg*scale;float coc=cocNearFar.x;\\n#else\\nfloat coc=texture2D(cocBuffer,vUv).g*scale;\\n#endif\\nif(coc==0.0){gl_FragColor=texture2D(inputBuffer,vUv);}else{\\n#ifdef FOREGROUND\\nvec2 step=texelSize*max(cocNearFar.x,cocNearFar.y);\\n#else\\nvec2 step=texelSize*coc;\\n#endif\\n#if PASS == 1\\nvec4 acc=vec4(0.0);for(int i=0;i<32;++i){vec4 kernel=kernel64[i];vec2 uv=step*kernel.xy+vUv;acc+=texture2D(inputBuffer,uv);uv=step*kernel.zw+vUv;acc+=texture2D(inputBuffer,uv);}gl_FragColor=acc/64.0;\\n#else\\nvec4 maxValue=texture2D(inputBuffer,vUv);for(int i=0;i<8;++i){vec4 kernel=kernel16[i];vec2 uv=step*kernel.xy+vUv;maxValue=max(texture2D(inputBuffer,uv),maxValue);uv=step*kernel.zw+vUv;maxValue=max(texture2D(inputBuffer,uv),maxValue);}gl_FragColor=maxValue;\\n#endif\\n}}\";\n\n// src/materials/BokehMaterial.js\nvar BokehMaterial = class extends ShaderMaterial7 {\n /**\n * Constructs a new bokeh material.\n *\n * @param {Boolean} [fill=false] - Enables or disables the bokeh highlight fill mode.\n * @param {Boolean} [foreground=false] - Determines whether this material will be applied to foreground colors.\n */\n constructor(fill = false, foreground = false) {\n super({\n name: \"BokehMaterial\",\n defines: {\n PASS: fill ? \"2\" : \"1\"\n },\n uniforms: {\n inputBuffer: new Uniform12(null),\n cocBuffer: new Uniform12(null),\n texelSize: new Uniform12(new Vector27()),\n kernel64: new Uniform12(null),\n kernel16: new Uniform12(null),\n scale: new Uniform12(1)\n },\n blending: NoBlending6,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_bokeh_default,\n vertexShader: common_default\n });\n if (foreground) {\n this.defines.FOREGROUND = \"1\";\n }\n this.generateKernel();\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the input buffer.\n *\n * @deprecated Use inputBuffer instead.\n * @param {Texture} value - The buffer.\n */\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * The circle of confusion buffer.\n *\n * @type {Texture}\n */\n set cocBuffer(value) {\n this.uniforms.cocBuffer.value = value;\n }\n /**\n * Sets the circle of confusion buffer.\n *\n * @deprecated Use cocBuffer instead.\n * @param {Texture} value - The buffer.\n */\n setCoCBuffer(value) {\n this.uniforms.cocBuffer.value = value;\n }\n /**\n * The blur scale.\n *\n * @type {Number}\n */\n get scale() {\n return this.uniforms.scale.value;\n }\n set scale(value) {\n this.uniforms.scale.value = value;\n }\n /**\n * Returns the blur scale.\n *\n * @deprecated Use scale instead.\n * @return {Number} The scale.\n */\n getScale(value) {\n return this.scale;\n }\n /**\n * Sets the blur scale.\n *\n * @deprecated Use scale instead.\n * @param {Number} value - The scale.\n */\n setScale(value) {\n this.scale = value;\n }\n /**\n * Generates the blur kernel.\n *\n * @private\n */\n generateKernel() {\n const GOLDEN_ANGLE = 2.39996323;\n const points64 = new Float64Array(128);\n const points16 = new Float64Array(32);\n let i64 = 0, i16 = 0;\n for (let i = 0, sqrt80 = Math.sqrt(80); i < 80; ++i) {\n const theta = i * GOLDEN_ANGLE;\n const r = Math.sqrt(i) / sqrt80;\n const u = r * Math.cos(theta), v3 = r * Math.sin(theta);\n if (i % 5 === 0) {\n points16[i16++] = u;\n points16[i16++] = v3;\n } else {\n points64[i64++] = u;\n points64[i64++] = v3;\n }\n }\n this.uniforms.kernel64.value = points64;\n this.uniforms.kernel16.value = points16;\n }\n /**\n * Sets the texel size.\n *\n * @deprecated Use setSize() instead.\n * @param {Number} x - The texel width.\n * @param {Number} y - The texel height.\n */\n setTexelSize(x, y) {\n this.uniforms.texelSize.value.set(x, y);\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/CircleOfConfusionMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking3, NoBlending as NoBlending7, PerspectiveCamera, ShaderMaterial as ShaderMaterial8, Uniform as Uniform13 } from \"three\";\n\n// src/utils/orthographicDepthToViewZ.js\nfunction orthographicDepthToViewZ(depth, near, far) {\n return depth * (near - far) - near;\n}\n\n// src/utils/viewZToOrthographicDepth.js\nfunction viewZToOrthographicDepth(viewZ, near, far) {\n return Math.min(Math.max((viewZ + near) / (near - far), 0), 1);\n}\n\n// src/materials/glsl/circle-of-confusion.frag\nvar circle_of_confusion_default = \"#include \\n#include \\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nuniform float focusDistance;uniform float focusRange;uniform float cameraNear;uniform float cameraFar;varying vec2 vUv;float readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nfloat depth=unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nfloat depth=texture2D(depthBuffer,uv).r;\\n#endif\\n#ifdef LOG_DEPTH\\nfloat d=pow(2.0,depth*log2(cameraFar+1.0))-1.0;float a=cameraFar/(cameraFar-cameraNear);float b=cameraFar*cameraNear/(cameraNear-cameraFar);depth=a+b/d;\\n#endif\\nreturn depth;}void main(){float depth=readDepth(vUv);\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(depth,cameraNear,cameraFar);float linearDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearDepth=depth;\\n#endif\\nfloat signedDistance=linearDepth-focusDistance;float magnitude=smoothstep(0.0,focusRange,abs(signedDistance));gl_FragColor.rg=magnitude*vec2(step(signedDistance,0.0),step(0.0,signedDistance));}\";\n\n// src/materials/CircleOfConfusionMaterial.js\nvar CircleOfConfusionMaterial = class extends ShaderMaterial8 {\n /**\n * Constructs a new CoC material.\n *\n * @param {Camera} camera - A camera.\n */\n constructor(camera) {\n super({\n name: \"CircleOfConfusionMaterial\",\n defines: {\n DEPTH_PACKING: \"0\"\n },\n uniforms: {\n depthBuffer: new Uniform13(null),\n focusDistance: new Uniform13(0),\n focusRange: new Uniform13(0),\n cameraNear: new Uniform13(0.3),\n cameraFar: new Uniform13(1e3)\n },\n blending: NoBlending7,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: circle_of_confusion_default,\n vertexShader: common_default\n });\n this.uniforms.focalLength = this.uniforms.focusRange;\n this.copyCameraSettings(camera);\n }\n /**\n * The current near plane setting.\n *\n * @type {Number}\n * @private\n */\n get near() {\n return this.uniforms.cameraNear.value;\n }\n /**\n * The current far plane setting.\n *\n * @type {Number}\n * @private\n */\n get far() {\n return this.uniforms.cameraFar.value;\n }\n /**\n * The depth buffer.\n *\n * @type {Texture}\n */\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n /**\n * The depth packing strategy.\n *\n * @type {DepthPackingStrategies}\n */\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the depth buffer.\n *\n * @deprecated Use depthBuffer and depthPacking instead.\n * @param {Texture} buffer - The depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing strategy.\n */\n setDepthBuffer(buffer, depthPacking = BasicDepthPacking3) {\n this.depthBuffer = buffer;\n this.depthPacking = depthPacking;\n }\n /**\n * The focus distance. Range: [0.0, 1.0].\n *\n * @type {Number}\n */\n get focusDistance() {\n return this.uniforms.focusDistance.value;\n }\n set focusDistance(value) {\n this.uniforms.focusDistance.value = value;\n }\n /**\n * The focus distance in world units.\n *\n * @type {Number}\n */\n get worldFocusDistance() {\n return -orthographicDepthToViewZ(this.focusDistance, this.near, this.far);\n }\n set worldFocusDistance(value) {\n this.focusDistance = viewZToOrthographicDepth(-value, this.near, this.far);\n }\n /**\n * Returns the focus distance.\n *\n * @deprecated Use focusDistance instead.\n * @return {Number} The focus distance.\n */\n getFocusDistance(value) {\n this.uniforms.focusDistance.value = value;\n }\n /**\n * Sets the focus distance.\n *\n * @deprecated Use focusDistance instead.\n * @param {Number} value - The focus distance.\n */\n setFocusDistance(value) {\n this.uniforms.focusDistance.value = value;\n }\n /**\n * The focal length.\n *\n * @deprecated Renamed to focusRange.\n * @type {Number}\n */\n get focalLength() {\n return this.focusRange;\n }\n set focalLength(value) {\n this.focusRange = value;\n }\n /**\n * The focus range. Range: [0.0, 1.0].\n *\n * @type {Number}\n */\n get focusRange() {\n return this.uniforms.focusRange.value;\n }\n set focusRange(value) {\n this.uniforms.focusRange.value = value;\n }\n /**\n * The focus range in world units.\n *\n * @type {Number}\n */\n get worldFocusRange() {\n return -orthographicDepthToViewZ(this.focusRange, this.near, this.far);\n }\n set worldFocusRange(value) {\n this.focusRange = viewZToOrthographicDepth(-value, this.near, this.far);\n }\n /**\n * Returns the focal length.\n *\n * @deprecated Use focusRange instead.\n * @return {Number} The focal length.\n */\n getFocalLength(value) {\n return this.focusRange;\n }\n /**\n * Sets the focal length.\n *\n * @deprecated Use focusRange instead.\n * @param {Number} value - The focal length.\n */\n setFocalLength(value) {\n this.focusRange = value;\n }\n /**\n * Copies the settings of the given camera.\n *\n * @deprecated Use copyCameraSettings instead.\n * @param {Camera} camera - A camera.\n */\n adoptCameraSettings(camera) {\n this.copyCameraSettings(camera);\n }\n /**\n * Copies the settings of the given camera.\n *\n * @param {Camera} camera - A camera.\n */\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNear.value = camera.near;\n this.uniforms.cameraFar.value = camera.far;\n if (camera instanceof PerspectiveCamera) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n};\n\n// src/materials/MaskMaterial.js\nimport { NoBlending as NoBlending8, ShaderMaterial as ShaderMaterial9, Uniform as Uniform14, UnsignedByteType as UnsignedByteType6 } from \"three\";\n\n// src/materials/glsl/mask.frag\nvar mask_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#ifdef MASK_PRECISION_HIGH\\nuniform mediump sampler2D maskTexture;\\n#else\\nuniform lowp sampler2D maskTexture;\\n#endif\\n#if MASK_FUNCTION != 0\\nuniform float strength;\\n#endif\\nvarying vec2 vUv;void main(){\\n#if COLOR_CHANNEL == 0\\nfloat mask=texture2D(maskTexture,vUv).r;\\n#elif COLOR_CHANNEL == 1\\nfloat mask=texture2D(maskTexture,vUv).g;\\n#elif COLOR_CHANNEL == 2\\nfloat mask=texture2D(maskTexture,vUv).b;\\n#else\\nfloat mask=texture2D(maskTexture,vUv).a;\\n#endif\\n#if MASK_FUNCTION == 0\\n#ifdef INVERTED\\nmask=step(mask,0.0);\\n#else\\nmask=1.0-step(mask,0.0);\\n#endif\\n#else\\nmask=clamp(mask*strength,0.0,1.0);\\n#ifdef INVERTED\\nmask=1.0-mask;\\n#endif\\n#endif\\n#if MASK_FUNCTION == 3\\nvec4 texel=texture2D(inputBuffer,vUv);gl_FragColor=vec4(mask*texel.rgb,texel.a);\\n#elif MASK_FUNCTION == 2\\ngl_FragColor=vec4(mask*texture2D(inputBuffer,vUv).rgb,mask);\\n#else\\ngl_FragColor=mask*texture2D(inputBuffer,vUv);\\n#endif\\n}\";\n\n// src/materials/MaskMaterial.js\nvar MaskMaterial = class extends ShaderMaterial9 {\n /**\n * Constructs a new mask material.\n *\n * @param {Texture} [maskTexture] - The mask texture.\n */\n constructor(maskTexture = null) {\n super({\n name: \"MaskMaterial\",\n uniforms: {\n maskTexture: new Uniform14(maskTexture),\n inputBuffer: new Uniform14(null),\n strength: new Uniform14(1)\n },\n blending: NoBlending8,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: mask_default,\n vertexShader: common_default\n });\n this.colorChannel = ColorChannel.RED;\n this.maskFunction = MaskFunction.DISCARD;\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the input buffer.\n *\n * @deprecated Use inputBuffer instead.\n * @param {Texture} value - The input buffer.\n */\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * The mask texture.\n *\n * @type {Texture}\n */\n set maskTexture(value) {\n this.uniforms.maskTexture.value = value;\n delete this.defines.MASK_PRECISION_HIGH;\n if (value.type !== UnsignedByteType6) {\n this.defines.MASK_PRECISION_HIGH = \"1\";\n }\n this.needsUpdate = true;\n }\n /**\n * Sets the mask texture.\n *\n * @deprecated Use maskTexture instead.\n * @param {Texture} value - The texture.\n */\n setMaskTexture(value) {\n this.maskTexture = value;\n }\n /**\n * Sets the color channel to use for masking. Default is `ColorChannel.RED`.\n *\n * @type {ColorChannel}\n */\n set colorChannel(value) {\n this.defines.COLOR_CHANNEL = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the color channel to use for masking. Default is `ColorChannel.RED`.\n *\n * @deprecated Use colorChannel instead.\n * @param {ColorChannel} value - The channel.\n */\n setColorChannel(value) {\n this.colorChannel = value;\n }\n /**\n * The masking technique. Default is `MaskFunction.DISCARD`.\n *\n * @type {MaskFunction}\n */\n set maskFunction(value) {\n this.defines.MASK_FUNCTION = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the masking technique. Default is `MaskFunction.DISCARD`.\n *\n * @deprecated Use maskFunction instead.\n * @param {MaskFunction} value - The function.\n */\n setMaskFunction(value) {\n this.maskFunction = value;\n }\n /**\n * Indicates whether the masking is inverted.\n *\n * @type {Boolean}\n */\n get inverted() {\n return this.defines.INVERTED !== void 0;\n }\n set inverted(value) {\n if (this.inverted && !value) {\n delete this.defines.INVERTED;\n } else if (value) {\n this.defines.INVERTED = \"1\";\n }\n this.needsUpdate = true;\n }\n /**\n * Indicates whether the masking is inverted.\n *\n * @deprecated Use inverted instead.\n * @return {Boolean} Whether the masking is inverted.\n */\n isInverted() {\n return this.inverted;\n }\n /**\n * Determines whether the masking should be inverted.\n *\n * @deprecated Use inverted instead.\n * @param {Boolean} value - Whether the masking should be inverted.\n */\n setInverted(value) {\n this.inverted = value;\n }\n /**\n * The current mask strength.\n *\n * Individual mask values will be clamped to [0.0, 1.0]. Has no effect when the mask function is set to `DISCARD`.\n *\n * @type {Number}\n */\n get strength() {\n return this.uniforms.strength.value;\n }\n set strength(value) {\n this.uniforms.strength.value = value;\n }\n /**\n * Returns the current mask strength.\n *\n * @deprecated Use strength instead.\n * @return {Number} The mask strength.\n */\n getStrength() {\n return this.strength;\n }\n /**\n * Sets the mask strength.\n *\n * Has no effect when the mask function is set to `DISCARD`.\n *\n * @deprecated Use strength instead.\n * @param {Number} value - The mask strength.\n */\n setStrength(value) {\n this.strength = value;\n }\n};\n\n// src/passes/ShaderPass.js\nimport { UnsignedByteType as UnsignedByteType7 } from \"three\";\nvar ShaderPass = class extends Pass {\n /**\n * Constructs a new shader pass.\n *\n * @param {ShaderMaterial} material - A shader material.\n * @param {String} [input=\"inputBuffer\"] - The name of the input buffer uniform.\n */\n constructor(material, input = \"inputBuffer\") {\n super(\"ShaderPass\");\n this.fullscreenMaterial = material;\n this.input = input;\n }\n /**\n * Sets the name of the input buffer uniform.\n *\n * @param {String} input - The name of the input buffer uniform.\n * @deprecated Use input instead.\n */\n setInput(input) {\n this.input = input;\n }\n /**\n * Renders the effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const uniforms = this.fullscreenMaterial.uniforms;\n if (inputBuffer !== null && uniforms !== void 0 && uniforms[this.input] !== void 0) {\n uniforms[this.input].value = inputBuffer.texture;\n }\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(this.scene, this.camera);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - A renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0 && frameBufferType !== UnsignedByteType7) {\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n }\n }\n};\n\n// src/effects/glsl/depth-of-field.frag\nvar depth_of_field_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D nearColorBuffer;uniform mediump sampler2D farColorBuffer;\\n#else\\nuniform lowp sampler2D nearColorBuffer;uniform lowp sampler2D farColorBuffer;\\n#endif\\nuniform lowp sampler2D nearCoCBuffer;uniform lowp sampler2D farCoCBuffer;uniform float scale;void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){vec4 colorNear=texture2D(nearColorBuffer,uv);vec4 colorFar=texture2D(farColorBuffer,uv);\\n#if MASK_FUNCTION == 1\\nvec2 cocNearFar=vec2(texture2D(nearCoCBuffer,uv).r,colorFar.a);cocNearFar.x=min(cocNearFar.x*scale,1.0);\\n#else\\nvec2 cocNearFar=vec2(texture2D(nearCoCBuffer,uv).r,texture2D(farCoCBuffer,uv).g);cocNearFar=min(cocNearFar*scale,1.0);\\n#endif\\nvec4 result=inputColor*(1.0-cocNearFar.y)+colorFar;result=mix(result,colorNear,cocNearFar.x);outputColor=result;}\";\n\n// src/effects/DepthOfFieldEffect.js\nvar DepthOfFieldEffect = class extends Effect {\n /**\n * Constructs a new depth of field effect.\n *\n * @param {Camera} camera - The main camera.\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction] - The blend function of this effect.\n * @param {Number} [options.worldFocusDistance] - The focus distance in world units.\n * @param {Number} [options.worldFocusRange] - The focus distance in world units.\n * @param {Number} [options.focusDistance=0.0] - The normalized focus distance. Range is [0.0, 1.0].\n * @param {Number} [options.focusRange=0.1] - The focus range. Range is [0.0, 1.0].\n * @param {Number} [options.focalLength=0.1] - Deprecated.\n * @param {Number} [options.bokehScale=1.0] - The scale of the bokeh blur.\n * @param {Number} [options.resolutionScale=0.5] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n * @param {Number} [options.width=Resolution.AUTO_SIZE] - Deprecated. Use resolutionX instead.\n * @param {Number} [options.height=Resolution.AUTO_SIZE] - Deprecated. Use resolutionY instead.\n */\n constructor(camera, {\n blendFunction,\n worldFocusDistance,\n worldFocusRange,\n focusDistance = 0,\n focalLength = 0.1,\n focusRange = focalLength,\n bokehScale = 1,\n resolutionScale = 1,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"DepthOfFieldEffect\", depth_of_field_default, {\n blendFunction,\n attributes: EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"nearColorBuffer\", new Uniform15(null)],\n [\"farColorBuffer\", new Uniform15(null)],\n [\"nearCoCBuffer\", new Uniform15(null)],\n [\"farCoCBuffer\", new Uniform15(null)],\n [\"scale\", new Uniform15(1)]\n ])\n });\n this.camera = camera;\n this.renderTarget = new WebGLRenderTarget9(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"DoF.Intermediate\";\n this.renderTargetMasked = this.renderTarget.clone();\n this.renderTargetMasked.texture.name = \"DoF.Masked.Far\";\n this.renderTargetNear = this.renderTarget.clone();\n this.renderTargetNear.texture.name = \"DoF.Bokeh.Near\";\n this.uniforms.get(\"nearColorBuffer\").value = this.renderTargetNear.texture;\n this.renderTargetFar = this.renderTarget.clone();\n this.renderTargetFar.texture.name = \"DoF.Bokeh.Far\";\n this.uniforms.get(\"farColorBuffer\").value = this.renderTargetFar.texture;\n this.renderTargetCoC = this.renderTarget.clone();\n this.renderTargetCoC.texture.name = \"DoF.CoC\";\n this.uniforms.get(\"farCoCBuffer\").value = this.renderTargetCoC.texture;\n this.renderTargetCoCBlurred = this.renderTargetCoC.clone();\n this.renderTargetCoCBlurred.texture.name = \"DoF.CoC.Blurred\";\n this.uniforms.get(\"nearCoCBuffer\").value = this.renderTargetCoCBlurred.texture;\n this.cocPass = new ShaderPass(new CircleOfConfusionMaterial(camera));\n const cocMaterial = this.cocMaterial;\n cocMaterial.focusDistance = focusDistance;\n cocMaterial.focusRange = focusRange;\n if (worldFocusDistance !== void 0) {\n cocMaterial.worldFocusDistance = worldFocusDistance;\n }\n if (worldFocusRange !== void 0) {\n cocMaterial.worldFocusRange = worldFocusRange;\n }\n this.blurPass = new KawaseBlurPass({ resolutionScale, resolutionX, resolutionY, kernelSize: KernelSize.MEDIUM });\n this.maskPass = new ShaderPass(new MaskMaterial(this.renderTargetCoC.texture));\n const maskMaterial = this.maskPass.fullscreenMaterial;\n maskMaterial.colorChannel = ColorChannel.GREEN;\n this.maskFunction = MaskFunction.MULTIPLY_RGB;\n this.bokehNearBasePass = new ShaderPass(new BokehMaterial(false, true));\n this.bokehNearBasePass.fullscreenMaterial.cocBuffer = this.renderTargetCoCBlurred.texture;\n this.bokehNearFillPass = new ShaderPass(new BokehMaterial(true, true));\n this.bokehNearFillPass.fullscreenMaterial.cocBuffer = this.renderTargetCoCBlurred.texture;\n this.bokehFarBasePass = new ShaderPass(new BokehMaterial(false, false));\n this.bokehFarBasePass.fullscreenMaterial.cocBuffer = this.renderTargetCoC.texture;\n this.bokehFarFillPass = new ShaderPass(new BokehMaterial(true, false));\n this.bokehFarFillPass.fullscreenMaterial.cocBuffer = this.renderTargetCoC.texture;\n this.target = null;\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.bokehScale = bokehScale;\n }\n set mainCamera(value) {\n this.camera = value;\n this.cocMaterial.copyCameraSettings(value);\n }\n /**\n * The circle of confusion texture.\n *\n * @type {Texture}\n */\n get cocTexture() {\n return this.renderTargetCoC.texture;\n }\n /**\n * The mask function. Default is `MULTIPLY_RGB`.\n *\n * @type {MaskFunction}\n */\n get maskFunction() {\n return this.maskPass.fullscreenMaterial.maskFunction;\n }\n set maskFunction(value) {\n if (this.maskFunction !== value) {\n this.defines.set(\"MASK_FUNCTION\", value.toFixed(0));\n this.maskPass.fullscreenMaterial.maskFunction = value;\n this.setChanged();\n }\n }\n /**\n * The circle of confusion material.\n *\n * @type {CircleOfConfusionMaterial}\n */\n get cocMaterial() {\n return this.cocPass.fullscreenMaterial;\n }\n /**\n * The circle of confusion material.\n *\n * @deprecated Use cocMaterial instead.\n * @type {CircleOfConfusionMaterial}\n */\n get circleOfConfusionMaterial() {\n return this.cocMaterial;\n }\n /**\n * Returns the circle of confusion material.\n *\n * @deprecated Use cocMaterial instead.\n * @return {CircleOfConfusionMaterial} The material.\n */\n getCircleOfConfusionMaterial() {\n return this.cocMaterial;\n }\n /**\n * Returns the pass that blurs the foreground CoC buffer to soften edges.\n *\n * @deprecated Use blurPass instead.\n * @return {KawaseBlurPass} The blur pass.\n */\n getBlurPass() {\n return this.blurPass;\n }\n /**\n * Returns the resolution settings.\n *\n * @deprecated Use resolution instead.\n * @return {Resolution} The resolution.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * The current bokeh scale.\n *\n * @type {Number}\n */\n get bokehScale() {\n return this.uniforms.get(\"scale\").value;\n }\n set bokehScale(value) {\n this.bokehNearBasePass.fullscreenMaterial.scale = value;\n this.bokehNearFillPass.fullscreenMaterial.scale = value;\n this.bokehFarBasePass.fullscreenMaterial.scale = value;\n this.bokehFarFillPass.fullscreenMaterial.scale = value;\n this.maskPass.fullscreenMaterial.strength = value;\n this.uniforms.get(\"scale\").value = value;\n }\n /**\n * Returns the current bokeh scale.\n *\n * @deprecated Use bokehScale instead.\n * @return {Number} The scale.\n */\n getBokehScale() {\n return this.bokehScale;\n }\n /**\n * Sets the bokeh scale.\n *\n * @deprecated Use bokehScale instead.\n * @param {Number} value - The scale.\n */\n setBokehScale(value) {\n this.bokehScale = value;\n }\n /**\n * Returns the current auto focus target.\n *\n * @deprecated Use target instead.\n * @return {Vector3} The target.\n */\n getTarget() {\n return this.target;\n }\n /**\n * Sets the auto focus target.\n *\n * @deprecated Use target instead.\n * @param {Vector3} value - The target.\n */\n setTarget(value) {\n this.target = value;\n }\n /**\n * Calculates the focus distance from the camera to the given position.\n *\n * @param {Vector3} target - The target.\n * @return {Number} The normalized focus distance.\n */\n calculateFocusDistance(target) {\n const camera = this.camera;\n const distance = camera.position.distanceTo(target);\n return viewZToOrthographicDepth(-distance, camera.near, camera.far);\n }\n /**\n * Sets the depth texture.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking4) {\n this.cocMaterial.depthBuffer = depthTexture;\n this.cocMaterial.depthPacking = depthPacking;\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n const renderTarget = this.renderTarget;\n const renderTargetCoC = this.renderTargetCoC;\n const renderTargetCoCBlurred = this.renderTargetCoCBlurred;\n const renderTargetMasked = this.renderTargetMasked;\n if (this.target !== null) {\n const distance = this.calculateFocusDistance(this.target);\n this.cocMaterial.focusDistance = distance;\n }\n this.cocPass.render(renderer, null, renderTargetCoC);\n this.blurPass.render(renderer, renderTargetCoC, renderTargetCoCBlurred);\n this.maskPass.render(renderer, inputBuffer, renderTargetMasked);\n this.bokehFarBasePass.render(renderer, renderTargetMasked, renderTarget);\n this.bokehFarFillPass.render(renderer, renderTarget, this.renderTargetFar);\n this.bokehNearBasePass.render(renderer, inputBuffer, renderTarget);\n this.bokehNearFillPass.render(renderer, renderTarget, this.renderTargetNear);\n }\n /**\n * Updates the size of internal render targets.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.cocPass.setSize(width, height);\n this.blurPass.setSize(width, height);\n this.maskPass.setSize(width, height);\n this.renderTargetFar.setSize(width, height);\n this.renderTargetCoC.setSize(width, height);\n this.renderTargetMasked.setSize(width, height);\n this.renderTarget.setSize(w, h);\n this.renderTargetNear.setSize(w, h);\n this.renderTargetCoCBlurred.setSize(w, h);\n this.bokehNearBasePass.fullscreenMaterial.setSize(width, height);\n this.bokehNearFillPass.fullscreenMaterial.setSize(width, height);\n this.bokehFarBasePass.fullscreenMaterial.setSize(width, height);\n this.bokehFarFillPass.fullscreenMaterial.setSize(width, height);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n this.cocPass.initialize(renderer, alpha, frameBufferType);\n this.maskPass.initialize(renderer, alpha, frameBufferType);\n this.bokehNearBasePass.initialize(renderer, alpha, frameBufferType);\n this.bokehNearFillPass.initialize(renderer, alpha, frameBufferType);\n this.bokehFarBasePass.initialize(renderer, alpha, frameBufferType);\n this.bokehFarFillPass.initialize(renderer, alpha, frameBufferType);\n this.blurPass.initialize(renderer, alpha, UnsignedByteType8);\n if (renderer.capabilities.logarithmicDepthBuffer) {\n this.cocPass.fullscreenMaterial.defines.LOG_DEPTH = \"1\";\n }\n if (frameBufferType !== void 0) {\n this.renderTarget.texture.type = frameBufferType;\n this.renderTargetNear.texture.type = frameBufferType;\n this.renderTargetFar.texture.type = frameBufferType;\n this.renderTargetMasked.texture.type = frameBufferType;\n if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace7) {\n this.renderTarget.texture.colorSpace = SRGBColorSpace7;\n this.renderTargetNear.texture.colorSpace = SRGBColorSpace7;\n this.renderTargetFar.texture.colorSpace = SRGBColorSpace7;\n this.renderTargetMasked.texture.colorSpace = SRGBColorSpace7;\n }\n }\n }\n};\n\n// src/effects/DotScreenEffect.js\nimport { Uniform as Uniform16, Vector2 as Vector28 } from \"three\";\n\n// src/effects/glsl/dot-screen.frag\nvar dot_screen_default = \"uniform vec2 angle;uniform float scale;float pattern(const in vec2 uv){vec2 point=scale*vec2(dot(angle.yx,vec2(uv.x,-uv.y)),dot(angle,uv));return(sin(point.x)*sin(point.y))*4.0;}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=vec3(inputColor.rgb*10.0-5.0+pattern(uv*resolution));outputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/DotScreenEffect.js\nvar DotScreenEffect = class extends Effect {\n /**\n * Constructs a new dot screen effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction] - The blend function of this effect.\n * @param {Number} [options.angle=1.57] - The angle of the dot pattern.\n * @param {Number} [options.scale=1.0] - The scale of the dot pattern.\n */\n constructor({ blendFunction, angle = Math.PI * 0.5, scale = 1 } = {}) {\n super(\"DotScreenEffect\", dot_screen_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"angle\", new Uniform16(new Vector28())],\n [\"scale\", new Uniform16(scale)]\n ])\n });\n this.angle = angle;\n }\n /**\n * The angle.\n *\n * @type {Number}\n */\n get angle() {\n return Math.acos(this.uniforms.get(\"angle\").value.y);\n }\n set angle(value) {\n this.uniforms.get(\"angle\").value.set(Math.sin(value), Math.cos(value));\n }\n /**\n * Returns the pattern angle.\n *\n * @deprecated Use angle instead.\n * @return {Number} The angle in radians.\n */\n getAngle() {\n return this.angle;\n }\n /**\n * Sets the pattern angle.\n *\n * @deprecated Use angle instead.\n * @param {Number} value - The angle in radians.\n */\n setAngle(value) {\n this.angle = value;\n }\n /**\n * The scale.\n *\n * @type {Number}\n */\n get scale() {\n return this.uniforms.get(\"scale\").value;\n }\n set scale(value) {\n this.uniforms.get(\"scale\").value = value;\n }\n};\n\n// src/effects/glsl/fxaa.frag\nvar fxaa_default = \"#define QUALITY(q) ((q) < 5 ? 1.0 : ((q) > 5 ? ((q) < 10 ? 2.0 : ((q) < 11 ? 4.0 : 8.0)) : 1.5))\\n#define ONE_OVER_TWELVE 0.08333333333333333\\nvarying vec2 vUvDown;varying vec2 vUvUp;varying vec2 vUvLeft;varying vec2 vUvRight;varying vec2 vUvDownLeft;varying vec2 vUvUpRight;varying vec2 vUvUpLeft;varying vec2 vUvDownRight;vec4 fxaa(const in vec4 inputColor,const in vec2 uv){float lumaCenter=luminance(inputColor.rgb);float lumaDown=luminance(texture2D(inputBuffer,vUvDown).rgb);float lumaUp=luminance(texture2D(inputBuffer,vUvUp).rgb);float lumaLeft=luminance(texture2D(inputBuffer,vUvLeft).rgb);float lumaRight=luminance(texture2D(inputBuffer,vUvRight).rgb);float lumaMin=min(lumaCenter,min(min(lumaDown,lumaUp),min(lumaLeft,lumaRight)));float lumaMax=max(lumaCenter,max(max(lumaDown,lumaUp),max(lumaLeft,lumaRight)));float lumaRange=lumaMax-lumaMin;if(lumaRange=edgeVertical);float stepLength=isHorizontal?texelSize.y:texelSize.x;float luma1=isHorizontal?lumaDown:lumaLeft;float luma2=isHorizontal?lumaUp:lumaRight;float gradient1=abs(luma1-lumaCenter);float gradient2=abs(luma2-lumaCenter);bool is1Steepest=gradient1>=gradient2;float gradientScaled=0.25*max(gradient1,gradient2);float lumaLocalAverage=0.0;if(is1Steepest){stepLength=-stepLength;lumaLocalAverage=0.5*(luma1+lumaCenter);}else{lumaLocalAverage=0.5*(luma2+lumaCenter);}vec2 currentUv=uv;if(isHorizontal){currentUv.y+=stepLength*0.5;}else{currentUv.x+=stepLength*0.5;}vec2 offset=isHorizontal?vec2(texelSize.x,0.0):vec2(0.0,texelSize.y);vec2 uv1=currentUv-offset*QUALITY(0);vec2 uv2=currentUv+offset*QUALITY(0);float lumaEnd1=luminance(texture2D(inputBuffer,uv1).rgb);float lumaEnd2=luminance(texture2D(inputBuffer,uv2).rgb);lumaEnd1-=lumaLocalAverage;lumaEnd2-=lumaLocalAverage;bool reached1=abs(lumaEnd1)>=gradientScaled;bool reached2=abs(lumaEnd2)>=gradientScaled;bool reachedBoth=reached1&&reached2;if(!reached1){uv1-=offset*QUALITY(1);}if(!reached2){uv2+=offset*QUALITY(1);}if(!reachedBoth){for(int i=2;i=gradientScaled;reached2=abs(lumaEnd2)>=gradientScaled;reachedBoth=reached1&&reached2;if(!reached1){uv1-=offset*QUALITY(i);}if(!reached2){uv2+=offset*QUALITY(i);}if(reachedBoth){break;}}}float distance1=isHorizontal?(uv.x-uv1.x):(uv.y-uv1.y);float distance2=isHorizontal?(uv2.x-uv.x):(uv2.y-uv.y);bool isDirection1=distance1distortion.x-columns*random){float sx=clamp(ceil(seeds.x),0.0,1.0);uv.y=sx*(1.0-(uv.y+distortion.y))+(1.0-sx)*distortion.y;}if(uv.xdistortion.y-columns*random){float sy=clamp(ceil(seeds.y),0.0,1.0);uv.x=sy*distortion.x+(1.0-sy)*(1.0-(uv.x+distortion.x));}vec2 normal=texture2D(perturbationMap,uv*random*random).rg;uv+=normal*seeds*(random*0.2);}}\";\n\n// src/effects/GlitchEffect.js\nvar textureTag = \"Glitch.Generated\";\nfunction randomFloat(low, high) {\n return low + Math.random() * (high - low);\n}\nvar GlitchEffect = class extends Effect {\n /**\n * Constructs a new glitch effect.\n *\n * TODO Change ratio to 0.15.\n * @param {Object} [options] - The options.\n * @param {Vector2} [options.chromaticAberrationOffset] - A chromatic aberration offset. If provided, the glitch effect will influence this offset.\n * @param {Vector2} [options.delay] - The minimum and maximum delay between glitch activations in seconds.\n * @param {Vector2} [options.duration] - The minimum and maximum duration of a glitch in seconds.\n * @param {Vector2} [options.strength] - The strength of weak and strong glitches.\n * @param {Texture} [options.perturbationMap] - A perturbation map. If none is provided, a noise texture will be created.\n * @param {Number} [options.dtSize=64] - The size of the generated noise map. Will be ignored if a perturbation map is provided.\n * @param {Number} [options.columns=0.05] - The scale of the blocky glitch columns.\n * @param {Number} [options.ratio=0.85] - The threshold for strong glitches.\n */\n constructor({\n chromaticAberrationOffset = null,\n delay = new Vector29(1.5, 3.5),\n duration = new Vector29(0.6, 1),\n strength = new Vector29(0.3, 1),\n columns = 0.05,\n ratio = 0.85,\n perturbationMap = null,\n dtSize = 64\n } = {}) {\n super(\"GlitchEffect\", glitch_default, {\n uniforms: /* @__PURE__ */ new Map([\n [\"perturbationMap\", new Uniform18(null)],\n [\"columns\", new Uniform18(columns)],\n [\"active\", new Uniform18(false)],\n [\"random\", new Uniform18(1)],\n [\"seeds\", new Uniform18(new Vector29())],\n [\"distortion\", new Uniform18(new Vector29())]\n ])\n });\n if (perturbationMap === null) {\n const map = new NoiseTexture(dtSize, dtSize, RGBAFormat2);\n map.name = textureTag;\n this.perturbationMap = map;\n } else {\n this.perturbationMap = perturbationMap;\n }\n this.time = 0;\n this.distortion = this.uniforms.get(\"distortion\").value;\n this.delay = delay;\n this.duration = duration;\n this.breakPoint = new Vector29(\n randomFloat(this.delay.x, this.delay.y),\n randomFloat(this.duration.x, this.duration.y)\n );\n this.strength = strength;\n this.mode = GlitchMode.SPORADIC;\n this.ratio = ratio;\n this.chromaticAberrationOffset = chromaticAberrationOffset;\n }\n /**\n * Random number seeds.\n *\n * @type {Vector2}\n * @private\n */\n get seeds() {\n return this.uniforms.get(\"seeds\").value;\n }\n /**\n * Indicates whether the glitch effect is currently active.\n *\n * @type {Boolean}\n */\n get active() {\n return this.uniforms.get(\"active\").value;\n }\n /**\n * Indicates whether the glitch effect is currently active.\n *\n * @deprecated Use active instead.\n * @return {Boolean} Whether the glitch effect is active.\n */\n isActive() {\n return this.active;\n }\n /**\n * The minimum delay between glitch activations.\n *\n * @type {Number}\n */\n get minDelay() {\n return this.delay.x;\n }\n set minDelay(value) {\n this.delay.x = value;\n }\n /**\n * Returns the minimum delay between glitch activations.\n *\n * @deprecated Use minDelay instead.\n * @return {Number} The minimum delay in seconds.\n */\n getMinDelay() {\n return this.delay.x;\n }\n /**\n * Sets the minimum delay between glitch activations.\n *\n * @deprecated Use minDelay instead.\n * @param {Number} value - The minimum delay in seconds.\n */\n setMinDelay(value) {\n this.delay.x = value;\n }\n /**\n * The maximum delay between glitch activations.\n *\n * @type {Number}\n */\n get maxDelay() {\n return this.delay.y;\n }\n set maxDelay(value) {\n this.delay.y = value;\n }\n /**\n * Returns the maximum delay between glitch activations.\n *\n * @deprecated Use maxDelay instead.\n * @return {Number} The maximum delay in seconds.\n */\n getMaxDelay() {\n return this.delay.y;\n }\n /**\n * Sets the maximum delay between glitch activations.\n *\n * @deprecated Use maxDelay instead.\n * @param {Number} value - The maximum delay in seconds.\n */\n setMaxDelay(value) {\n this.delay.y = value;\n }\n /**\n * The minimum duration of sporadic glitches.\n *\n * @type {Number}\n */\n get minDuration() {\n return this.duration.x;\n }\n set minDuration(value) {\n this.duration.x = value;\n }\n /**\n * Returns the minimum duration of sporadic glitches.\n *\n * @deprecated Use minDuration instead.\n * @return {Number} The minimum duration in seconds.\n */\n getMinDuration() {\n return this.duration.x;\n }\n /**\n * Sets the minimum duration of sporadic glitches.\n *\n * @deprecated Use minDuration instead.\n * @param {Number} value - The minimum duration in seconds.\n */\n setMinDuration(value) {\n this.duration.x = value;\n }\n /**\n * The maximum duration of sporadic glitches.\n *\n * @type {Number}\n */\n get maxDuration() {\n return this.duration.y;\n }\n set maxDuration(value) {\n this.duration.y = value;\n }\n /**\n * Returns the maximum duration of sporadic glitches.\n *\n * @deprecated Use maxDuration instead.\n * @return {Number} The maximum duration in seconds.\n */\n getMaxDuration() {\n return this.duration.y;\n }\n /**\n * Sets the maximum duration of sporadic glitches.\n *\n * @deprecated Use maxDuration instead.\n * @param {Number} value - The maximum duration in seconds.\n */\n setMaxDuration(value) {\n this.duration.y = value;\n }\n /**\n * The strength of weak glitches.\n *\n * @type {Number}\n */\n get minStrength() {\n return this.strength.x;\n }\n set minStrength(value) {\n this.strength.x = value;\n }\n /**\n * Returns the strength of weak glitches.\n *\n * @deprecated Use minStrength instead.\n * @return {Number} The strength.\n */\n getMinStrength() {\n return this.strength.x;\n }\n /**\n * Sets the strength of weak glitches.\n *\n * @deprecated Use minStrength instead.\n * @param {Number} value - The strength.\n */\n setMinStrength(value) {\n this.strength.x = value;\n }\n /**\n * The strength of strong glitches.\n *\n * @type {Number}\n */\n get maxStrength() {\n return this.strength.y;\n }\n set maxStrength(value) {\n this.strength.y = value;\n }\n /**\n * Returns the strength of strong glitches.\n *\n * @deprecated Use maxStrength instead.\n * @return {Number} The strength.\n */\n getMaxStrength() {\n return this.strength.y;\n }\n /**\n * Sets the strength of strong glitches.\n *\n * @deprecated Use maxStrength instead.\n * @param {Number} value - The strength.\n */\n setMaxStrength(value) {\n this.strength.y = value;\n }\n /**\n * Returns the current glitch mode.\n *\n * @deprecated Use mode instead.\n * @return {GlitchMode} The mode.\n */\n getMode() {\n return this.mode;\n }\n /**\n * Sets the current glitch mode.\n *\n * @deprecated Use mode instead.\n * @param {GlitchMode} value - The mode.\n */\n setMode(value) {\n this.mode = value;\n }\n /**\n * Returns the glitch ratio.\n *\n * @deprecated Use ratio instead.\n * @return {Number} The ratio.\n */\n getGlitchRatio() {\n return 1 - this.ratio;\n }\n /**\n * Sets the ratio of weak (0.0) and strong (1.0) glitches.\n *\n * @deprecated Use ratio instead.\n * @param {Number} value - The ratio. Range is [0.0, 1.0].\n */\n setGlitchRatio(value) {\n this.ratio = Math.min(Math.max(1 - value, 0), 1);\n }\n /**\n * The glitch column size.\n *\n * @type {Number}\n */\n get columns() {\n return this.uniforms.get(\"columns\").value;\n }\n set columns(value) {\n this.uniforms.get(\"columns\").value = value;\n }\n /**\n * Returns the glitch column size.\n *\n * @deprecated Use columns instead.\n * @return {Number} The glitch column size.\n */\n getGlitchColumns() {\n return this.columns;\n }\n /**\n * Sets the glitch column size.\n *\n * @deprecated Use columns instead.\n * @param {Number} value - The glitch column size.\n */\n setGlitchColumns(value) {\n this.columns = value;\n }\n /**\n * Returns the chromatic aberration offset.\n *\n * @deprecated Use chromaticAberrationOffset instead.\n * @return {Vector2} The offset.\n */\n getChromaticAberrationOffset() {\n return this.chromaticAberrationOffset;\n }\n /**\n * Sets the chromatic aberration offset.\n *\n * @deprecated Use chromaticAberrationOffset instead.\n * @param {Vector2} value - The offset.\n */\n setChromaticAberrationOffset(value) {\n this.chromaticAberrationOffset = value;\n }\n /**\n * The perturbation map.\n *\n * @type {Texture}\n */\n get perturbationMap() {\n return this.uniforms.get(\"perturbationMap\").value;\n }\n set perturbationMap(value) {\n const currentMap = this.perturbationMap;\n if (currentMap !== null && currentMap.name === textureTag) {\n currentMap.dispose();\n }\n value.minFilter = value.magFilter = NearestFilter;\n value.wrapS = value.wrapT = RepeatWrapping;\n value.generateMipmaps = false;\n this.uniforms.get(\"perturbationMap\").value = value;\n }\n /**\n * Returns the current perturbation map.\n *\n * @deprecated Use perturbationMap instead.\n * @return {Texture} The current perturbation map.\n */\n getPerturbationMap() {\n return this.perturbationMap;\n }\n /**\n * Replaces the current perturbation map with the given one.\n *\n * The current map will be disposed if it was generated by this effect.\n *\n * @deprecated Use perturbationMap instead.\n * @param {Texture} value - The new perturbation map.\n */\n setPerturbationMap(value) {\n this.perturbationMap = value;\n }\n /**\n * Generates a perturbation map.\n *\n * @deprecated Use NoiseTexture instead.\n * @param {Number} [value=64] - The texture size.\n * @return {DataTexture} The perturbation map.\n */\n generatePerturbationMap(value = 64) {\n const map = new NoiseTexture(value, value, RGBAFormat2);\n map.name = textureTag;\n return map;\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n const mode = this.mode;\n const breakPoint = this.breakPoint;\n const offset = this.chromaticAberrationOffset;\n const s = this.strength;\n let time = this.time;\n let active = false;\n let r = 0, a = 0;\n let trigger;\n if (mode !== GlitchMode.DISABLED) {\n if (mode === GlitchMode.SPORADIC) {\n time += deltaTime;\n trigger = time > breakPoint.x;\n if (time >= breakPoint.x + breakPoint.y) {\n breakPoint.set(\n randomFloat(this.delay.x, this.delay.y),\n randomFloat(this.duration.x, this.duration.y)\n );\n time = 0;\n }\n }\n r = Math.random();\n this.uniforms.get(\"random\").value = r;\n if (trigger && r > this.ratio || mode === GlitchMode.CONSTANT_WILD) {\n active = true;\n r *= s.y * 0.03;\n a = randomFloat(-Math.PI, Math.PI);\n this.seeds.set(randomFloat(-s.y, s.y), randomFloat(-s.y, s.y));\n this.distortion.set(randomFloat(0, 1), randomFloat(0, 1));\n } else if (trigger || mode === GlitchMode.CONSTANT_MILD) {\n active = true;\n r *= s.x * 0.03;\n a = randomFloat(-Math.PI, Math.PI);\n this.seeds.set(randomFloat(-s.x, s.x), randomFloat(-s.x, s.x));\n this.distortion.set(randomFloat(0, 1), randomFloat(0, 1));\n }\n this.time = time;\n }\n if (offset !== null) {\n if (active) {\n offset.set(Math.cos(a), Math.sin(a)).multiplyScalar(r);\n } else {\n offset.set(0, 0);\n }\n }\n this.uniforms.get(\"active\").value = active;\n }\n /**\n * Deletes generated resources.\n */\n dispose() {\n const map = this.perturbationMap;\n if (map !== null && map.name === textureTag) {\n map.dispose();\n }\n }\n};\n\n// src/effects/GodRaysEffect.js\nimport {\n BasicDepthPacking as BasicDepthPacking6,\n Color as Color2,\n DepthTexture as DepthTexture2,\n Matrix4,\n Scene as Scene2,\n SRGBColorSpace as SRGBColorSpace8,\n Uniform as Uniform21,\n Vector2 as Vector211,\n Vector3,\n WebGLRenderTarget as WebGLRenderTarget10\n} from \"three\";\n\n// src/materials/DepthMaskMaterial.js\nimport {\n AlwaysDepth,\n BasicDepthPacking as BasicDepthPacking5,\n EqualDepth,\n GreaterDepth,\n GreaterEqualDepth,\n LessDepth,\n LessEqualDepth,\n NeverDepth,\n NoBlending as NoBlending9,\n NotEqualDepth,\n PerspectiveCamera as PerspectiveCamera2,\n ShaderMaterial as ShaderMaterial10,\n Uniform as Uniform19,\n Vector2 as Vector210\n} from \"three\";\n\n// src/enums/DepthTestStrategy.js\nvar DepthTestStrategy = {\n DEFAULT: 0,\n KEEP_MAX_DEPTH: 1,\n DISCARD_MAX_DEPTH: 2\n};\n\n// src/materials/glsl/depth-mask.frag\nvar depth_mask_default = \"#include \\n#include \\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer0;uniform highp sampler2D depthBuffer1;\\n#else\\nuniform mediump sampler2D depthBuffer0;uniform mediump sampler2D depthBuffer1;\\n#endif\\nuniform sampler2D inputBuffer;uniform vec2 cameraNearFar;float getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#endif\\n}varying vec2 vUv;void main(){vec2 depth;\\n#if DEPTH_PACKING_0 == 3201\\ndepth.x=unpackRGBAToDepth(texture2D(depthBuffer0,vUv));\\n#else\\ndepth.x=texture2D(depthBuffer0,vUv).r;\\n#ifdef LOG_DEPTH\\nfloat d=pow(2.0,depth.x*log2(cameraNearFar.y+1.0))-1.0;float a=cameraNearFar.y/(cameraNearFar.y-cameraNearFar.x);float b=cameraNearFar.y*cameraNearFar.x/(cameraNearFar.x-cameraNearFar.y);depth.x=a+b/d;\\n#endif\\n#endif\\n#if DEPTH_PACKING_1 == 3201\\ndepth.y=unpackRGBAToDepth(texture2D(depthBuffer1,vUv));\\n#else\\ndepth.y=texture2D(depthBuffer1,vUv).r;\\n#ifdef LOG_DEPTH\\nfloat d=pow(2.0,depth.y*log2(cameraNearFar.y+1.0))-1.0;float a=cameraNearFar.y/(cameraNearFar.y-cameraNearFar.x);float b=cameraNearFar.y*cameraNearFar.x/(cameraNearFar.x-cameraNearFar.y);depth.y=a+b/d;\\n#endif\\n#endif\\nbool isMaxDepth=(depth.x==1.0);\\n#ifdef PERSPECTIVE_CAMERA\\ndepth.x=viewZToOrthographicDepth(getViewZ(depth.x),cameraNearFar.x,cameraNearFar.y);depth.y=viewZToOrthographicDepth(getViewZ(depth.y),cameraNearFar.x,cameraNearFar.y);\\n#endif\\n#if DEPTH_TEST_STRATEGY == 0\\nbool keep=depthTest(depth.x,depth.y);\\n#elif DEPTH_TEST_STRATEGY == 1\\nbool keep=isMaxDepth||depthTest(depth.x,depth.y);\\n#else\\nbool keep=!isMaxDepth&&depthTest(depth.x,depth.y);\\n#endif\\nif(keep){gl_FragColor=texture2D(inputBuffer,vUv);}else{discard;}}\";\n\n// src/materials/DepthMaskMaterial.js\nvar DepthMaskMaterial = class extends ShaderMaterial10 {\n /**\n * Constructs a new depth mask material.\n */\n constructor() {\n super({\n name: \"DepthMaskMaterial\",\n defines: {\n DEPTH_EPSILON: \"0.0001\",\n DEPTH_PACKING_0: \"0\",\n DEPTH_PACKING_1: \"0\",\n DEPTH_TEST_STRATEGY: DepthTestStrategy.KEEP_MAX_DEPTH\n },\n uniforms: {\n inputBuffer: new Uniform19(null),\n depthBuffer0: new Uniform19(null),\n depthBuffer1: new Uniform19(null),\n cameraNearFar: new Uniform19(new Vector210(1, 1))\n },\n blending: NoBlending9,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: depth_mask_default,\n vertexShader: common_default\n });\n this.depthMode = LessDepth;\n }\n /**\n * The primary depth buffer.\n *\n * @type {Texture}\n */\n set depthBuffer0(value) {\n this.uniforms.depthBuffer0.value = value;\n }\n /**\n * The primary depth packing strategy.\n *\n * @type {DepthPackingStrategies}\n */\n set depthPacking0(value) {\n this.defines.DEPTH_PACKING_0 = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the base depth buffer.\n *\n * @deprecated Use depthBuffer0 and depthPacking0 instead.\n * @param {Texture} buffer - The depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing strategy.\n */\n setDepthBuffer0(buffer, depthPacking = BasicDepthPacking5) {\n this.depthBuffer0 = buffer;\n this.depthPacking0 = depthPacking;\n }\n /**\n * The secondary depth buffer.\n *\n * @type {Texture}\n */\n set depthBuffer1(value) {\n this.uniforms.depthBuffer1.value = value;\n }\n /**\n * The secondary depth packing strategy.\n *\n * @type {DepthPackingStrategies}\n */\n set depthPacking1(value) {\n this.defines.DEPTH_PACKING_1 = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the depth buffer that will be compared with the base depth buffer.\n *\n * @deprecated Use depthBuffer1 and depthPacking1 instead.\n * @param {Texture} buffer - The depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing strategy.\n */\n setDepthBuffer1(buffer, depthPacking = BasicDepthPacking5) {\n this.depthBuffer1 = buffer;\n this.depthPacking1 = depthPacking;\n }\n /**\n * The strategy for handling maximum depth.\n *\n * @type {DepthTestStrategy}\n */\n get maxDepthStrategy() {\n return Number(this.defines.DEPTH_TEST_STRATEGY);\n }\n set maxDepthStrategy(value) {\n this.defines.DEPTH_TEST_STRATEGY = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Indicates whether maximum depth values should be preserved.\n *\n * @type {Boolean}\n * @deprecated Use maxDepthStrategy instead.\n */\n get keepFar() {\n return this.maxDepthStrategy;\n }\n set keepFar(value) {\n this.maxDepthStrategy = value ? DepthTestStrategy.KEEP_MAX_DEPTH : DepthTestStrategy.DISCARD_MAX_DEPTH;\n }\n /**\n * Returns the strategy for dealing with maximum depth values.\n *\n * @deprecated Use maxDepthStrategy instead.\n * @return {DepthTestStrategy} The strategy.\n */\n getMaxDepthStrategy() {\n return this.maxDepthStrategy;\n }\n /**\n * Sets the strategy for dealing with maximum depth values.\n *\n * @deprecated Use maxDepthStrategy instead.\n * @param {DepthTestStrategy} value - The strategy.\n */\n setMaxDepthStrategy(value) {\n this.maxDepthStrategy = value;\n }\n /**\n * A small error threshold that is used for `EqualDepth` and `NotEqualDepth` tests. Default is `1e-4`.\n *\n * @type {Number}\n */\n get epsilon() {\n return Number(this.defines.DEPTH_EPSILON);\n }\n set epsilon(value) {\n this.defines.DEPTH_EPSILON = value.toFixed(16);\n this.needsUpdate = true;\n }\n /**\n * Returns the current error threshold for depth comparisons.\n *\n * @deprecated Use epsilon instead.\n * @return {Number} The error threshold.\n */\n getEpsilon() {\n return this.epsilon;\n }\n /**\n * Sets the depth comparison error threshold.\n *\n * @deprecated Use epsilon instead.\n * @param {Number} value - The new error threshold.\n */\n setEpsilon(value) {\n this.epsilon = value;\n }\n /**\n * The depth mode.\n *\n * @see https://threejs.org/docs/#api/en/constants/Materials\n * @type {DepthModes}\n */\n get depthMode() {\n return Number(this.defines.DEPTH_MODE);\n }\n set depthMode(value) {\n let depthTest;\n switch (value) {\n case NeverDepth:\n depthTest = \"false\";\n break;\n case AlwaysDepth:\n depthTest = \"true\";\n break;\n case EqualDepth:\n depthTest = \"abs(d1 - d0) <= DEPTH_EPSILON\";\n break;\n case NotEqualDepth:\n depthTest = \"abs(d1 - d0) > DEPTH_EPSILON\";\n break;\n case LessDepth:\n depthTest = \"d0 > d1\";\n break;\n case LessEqualDepth:\n depthTest = \"d0 >= d1\";\n break;\n case GreaterEqualDepth:\n depthTest = \"d0 <= d1\";\n break;\n case GreaterDepth:\n default:\n depthTest = \"d0 < d1\";\n break;\n }\n this.defines.DEPTH_MODE = value.toFixed(0);\n this.defines[\"depthTest(d0, d1)\"] = depthTest;\n this.needsUpdate = true;\n }\n /**\n * Returns the current depth mode.\n *\n * @deprecated Use depthMode instead.\n * @return {DepthModes} The depth mode. Default is `LessDepth`.\n */\n getDepthMode() {\n return this.depthMode;\n }\n /**\n * Sets the depth mode.\n *\n * @deprecated Use depthMode instead.\n * @param {DepthModes} mode - The depth mode.\n */\n setDepthMode(mode) {\n this.depthMode = mode;\n }\n /**\n * Copies the settings of the given camera.\n *\n * @deprecated Use copyCameraSettings instead.\n * @param {Camera} camera - A camera.\n */\n adoptCameraSettings(camera) {\n this.copyCameraSettings(camera);\n }\n /**\n * Copies the settings of the given camera.\n *\n * @param {Camera} camera - A camera.\n */\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNearFar.value.set(camera.near, camera.far);\n if (camera instanceof PerspectiveCamera2) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n};\n\n// src/materials/GodRaysMaterial.js\nimport { NoBlending as NoBlending10, ShaderMaterial as ShaderMaterial11, Uniform as Uniform20 } from \"three\";\n\n// src/materials/glsl/convolution.god-rays.frag\nvar convolution_god_rays_default = \"#include \\n#include \\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform vec2 lightPosition;uniform float exposure;uniform float decay;uniform float density;uniform float weight;uniform float clampMax;varying vec2 vUv;void main(){vec2 coord=vUv;vec2 delta=lightPosition-coord;delta*=1.0/SAMPLES_FLOAT*density;float illuminationDecay=1.0;vec4 color=vec4(0.0);for(int i=0;i\\n}\";\n\n// src/materials/GodRaysMaterial.js\nvar GodRaysMaterial = class extends ShaderMaterial11 {\n /**\n * Constructs a new god rays material.\n *\n * TODO Remove lightPosition param.\n * @param {Vector2} lightPosition - Deprecated.\n */\n constructor(lightPosition) {\n super({\n name: \"GodRaysMaterial\",\n defines: {\n SAMPLES_INT: \"60\",\n SAMPLES_FLOAT: \"60.0\"\n },\n uniforms: {\n inputBuffer: new Uniform20(null),\n lightPosition: new Uniform20(lightPosition),\n density: new Uniform20(1),\n decay: new Uniform20(1),\n weight: new Uniform20(1),\n exposure: new Uniform20(1),\n clampMax: new Uniform20(1)\n },\n blending: NoBlending10,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_god_rays_default,\n vertexShader: common_default\n });\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the input buffer.\n *\n * @deprecated Use inputBuffer instead.\n * @param {Texture} value - The input buffer.\n */\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * The screen space position of the light source.\n *\n * @type {Vector2}\n */\n get lightPosition() {\n return this.uniforms.lightPosition.value;\n }\n /**\n * Returns the screen space position of the light source.\n *\n * @deprecated Use lightPosition instead.\n * @return {Vector2} The position.\n */\n getLightPosition() {\n return this.uniforms.lightPosition.value;\n }\n /**\n * Sets the screen space position of the light source.\n *\n * @deprecated Use lightPosition instead.\n * @param {Vector2} value - The position.\n */\n setLightPosition(value) {\n this.uniforms.lightPosition.value = value;\n }\n /**\n * The density.\n *\n * @type {Number}\n */\n get density() {\n return this.uniforms.density.value;\n }\n set density(value) {\n this.uniforms.density.value = value;\n }\n /**\n * Returns the density.\n *\n * @deprecated Use density instead.\n * @return {Number} The density.\n */\n getDensity() {\n return this.uniforms.density.value;\n }\n /**\n * Sets the density.\n *\n * @deprecated Use density instead.\n * @param {Number} value - The density.\n */\n setDensity(value) {\n this.uniforms.density.value = value;\n }\n /**\n * The decay.\n *\n * @type {Number}\n */\n get decay() {\n return this.uniforms.decay.value;\n }\n set decay(value) {\n this.uniforms.decay.value = value;\n }\n /**\n * Returns the decay.\n *\n * @deprecated Use decay instead.\n * @return {Number} The decay.\n */\n getDecay() {\n return this.uniforms.decay.value;\n }\n /**\n * Sets the decay.\n *\n * @deprecated Use decay instead.\n * @param {Number} value - The decay.\n */\n setDecay(value) {\n this.uniforms.decay.value = value;\n }\n /**\n * The weight.\n *\n * @type {Number}\n */\n get weight() {\n return this.uniforms.weight.value;\n }\n set weight(value) {\n this.uniforms.weight.value = value;\n }\n /**\n * Returns the weight.\n *\n * @deprecated Use weight instead.\n * @return {Number} The weight.\n */\n getWeight() {\n return this.uniforms.weight.value;\n }\n /**\n * Sets the weight.\n *\n * @deprecated Use weight instead.\n * @param {Number} value - The weight.\n */\n setWeight(value) {\n this.uniforms.weight.value = value;\n }\n /**\n * The exposure.\n *\n * @type {Number}\n */\n get exposure() {\n return this.uniforms.exposure.value;\n }\n set exposure(value) {\n this.uniforms.exposure.value = value;\n }\n /**\n * Returns the exposure.\n *\n * @deprecated Use exposure instead.\n * @return {Number} The exposure.\n */\n getExposure() {\n return this.uniforms.exposure.value;\n }\n /**\n * Sets the exposure.\n *\n * @deprecated Use exposure instead.\n * @param {Number} value - The exposure.\n */\n setExposure(value) {\n this.uniforms.exposure.value = value;\n }\n /**\n * The maximum light intensity.\n *\n * @type {Number}\n */\n get maxIntensity() {\n return this.uniforms.clampMax.value;\n }\n set maxIntensity(value) {\n this.uniforms.clampMax.value = value;\n }\n /**\n * Returns the maximum light intensity.\n *\n * @deprecated Use maxIntensity instead.\n * @return {Number} The maximum light intensity.\n */\n getMaxIntensity() {\n return this.uniforms.clampMax.value;\n }\n /**\n * Sets the maximum light intensity.\n *\n * @deprecated Use maxIntensity instead.\n * @param {Number} value - The maximum light intensity.\n */\n setMaxIntensity(value) {\n this.uniforms.clampMax.value = value;\n }\n /**\n * The amount of samples per pixel.\n *\n * @type {Number}\n */\n get samples() {\n return Number(this.defines.SAMPLES_INT);\n }\n set samples(value) {\n const s = Math.floor(value);\n this.defines.SAMPLES_INT = s.toFixed(0);\n this.defines.SAMPLES_FLOAT = s.toFixed(1);\n this.needsUpdate = true;\n }\n /**\n * Returns the amount of samples per pixel.\n *\n * @deprecated Use samples instead.\n * @return {Number} The sample count.\n */\n getSamples() {\n return this.samples;\n }\n /**\n * Sets the amount of samples per pixel.\n *\n * @deprecated Use samples instead.\n * @param {Number} value - The sample count.\n */\n setSamples(value) {\n this.samples = value;\n }\n};\n\n// src/passes/RenderPass.js\nvar RenderPass = class extends Pass {\n /**\n * Constructs a new render pass.\n *\n * @param {Scene} scene - The scene to render.\n * @param {Camera} camera - The camera to use to render the scene.\n * @param {Material} [overrideMaterial=null] - An override material.\n */\n constructor(scene, camera, overrideMaterial = null) {\n super(\"RenderPass\", scene, camera);\n this.needsSwap = false;\n this.clearPass = new ClearPass();\n this.overrideMaterialManager = overrideMaterial === null ? null : new OverrideMaterialManager(overrideMaterial);\n this.ignoreBackground = false;\n this.skipShadowMapUpdate = false;\n this.selection = null;\n }\n set mainScene(value) {\n this.scene = value;\n }\n set mainCamera(value) {\n this.camera = value;\n }\n get renderToScreen() {\n return super.renderToScreen;\n }\n set renderToScreen(value) {\n super.renderToScreen = value;\n this.clearPass.renderToScreen = value;\n }\n /**\n * The current override material.\n *\n * @type {Material}\n */\n get overrideMaterial() {\n const manager = this.overrideMaterialManager;\n return manager !== null ? manager.material : null;\n }\n set overrideMaterial(value) {\n const manager = this.overrideMaterialManager;\n if (value !== null) {\n if (manager !== null) {\n manager.setMaterial(value);\n } else {\n this.overrideMaterialManager = new OverrideMaterialManager(value);\n }\n } else if (manager !== null) {\n manager.dispose();\n this.overrideMaterialManager = null;\n }\n }\n /**\n * Returns the current override material.\n *\n * @deprecated Use overrideMaterial instead.\n * @return {Material} The material.\n */\n getOverrideMaterial() {\n return this.overrideMaterial;\n }\n /**\n * Sets the override material.\n *\n * @deprecated Use overrideMaterial instead.\n * @return {Material} value - The material.\n */\n setOverrideMaterial(value) {\n this.overrideMaterial = value;\n }\n /**\n * Indicates whether the target buffer should be cleared before rendering.\n *\n * @type {Boolean}\n * @deprecated Use clearPass.enabled instead.\n */\n get clear() {\n return this.clearPass.enabled;\n }\n set clear(value) {\n this.clearPass.enabled = value;\n }\n /**\n * Returns the selection. Default is `null` (no restriction).\n *\n * @deprecated Use selection instead.\n * @return {Selection} The selection.\n */\n getSelection() {\n return this.selection;\n }\n /**\n * Sets the selection. Set to `null` to disable.\n *\n * @deprecated Use selection instead.\n * @param {Selection} value - The selection.\n */\n setSelection(value) {\n this.selection = value;\n }\n /**\n * Indicates whether the scene background is disabled.\n *\n * @deprecated Use ignoreBackground instead.\n * @return {Boolean} Whether the scene background is disabled.\n */\n isBackgroundDisabled() {\n return this.ignoreBackground;\n }\n /**\n * Enables or disables the scene background.\n *\n * @deprecated Use ignoreBackground instead.\n * @param {Boolean} value - Whether the scene background should be disabled.\n */\n setBackgroundDisabled(value) {\n this.ignoreBackground = value;\n }\n /**\n * Indicates whether the shadow map auto update is disabled.\n *\n * @deprecated Use skipShadowMapUpdate instead.\n * @return {Boolean} Whether the shadow map update is disabled.\n */\n isShadowMapDisabled() {\n return this.skipShadowMapUpdate;\n }\n /**\n * Enables or disables the shadow map auto update.\n *\n * @deprecated Use skipShadowMapUpdate instead.\n * @param {Boolean} value - Whether the shadow map auto update should be disabled.\n */\n setShadowMapDisabled(value) {\n this.skipShadowMapUpdate = value;\n }\n /**\n * Returns the clear pass.\n *\n * @deprecated Use clearPass.enabled instead.\n * @return {ClearPass} The clear pass.\n */\n getClearPass() {\n return this.clearPass;\n }\n /**\n * Renders the scene.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const scene = this.scene;\n const camera = this.camera;\n const selection = this.selection;\n const mask = camera.layers.mask;\n const background = scene.background;\n const shadowMapAutoUpdate = renderer.shadowMap.autoUpdate;\n const renderTarget = this.renderToScreen ? null : inputBuffer;\n if (selection !== null) {\n camera.layers.set(selection.getLayer());\n }\n if (this.skipShadowMapUpdate) {\n renderer.shadowMap.autoUpdate = false;\n }\n if (this.ignoreBackground || this.clearPass.overrideClearColor !== null) {\n scene.background = null;\n }\n if (this.clearPass.enabled) {\n this.clearPass.render(renderer, inputBuffer);\n }\n renderer.setRenderTarget(renderTarget);\n if (this.overrideMaterialManager !== null) {\n this.overrideMaterialManager.render(renderer, scene, camera);\n } else {\n renderer.render(scene, camera);\n }\n camera.layers.mask = mask;\n scene.background = background;\n renderer.shadowMap.autoUpdate = shadowMapAutoUpdate;\n }\n};\n\n// src/effects/glsl/god-rays.frag\nvar god_rays_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=texture2D(map,uv);}\";\n\n// src/effects/GodRaysEffect.js\nvar v = /* @__PURE__ */ new Vector3();\nvar m = /* @__PURE__ */ new Matrix4();\nvar GodRaysEffect = class extends Effect {\n /**\n * Constructs a new god rays effect.\n *\n * @param {Camera} [camera] - The main camera.\n * @param {Mesh|Points} [lightSource] - The light source. Must not write depth and has to be flagged as transparent.\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SCREEN] - The blend function of this effect.\n * @param {Number} [options.samples=60.0] - The number of samples per pixel.\n * @param {Number} [options.density=0.96] - The density of the light rays.\n * @param {Number} [options.decay=0.9] - An illumination decay factor.\n * @param {Number} [options.weight=0.4] - A light ray weight factor.\n * @param {Number} [options.exposure=0.6] - A constant attenuation coefficient.\n * @param {Number} [options.clampMax=1.0] - An upper bound for the saturation of the overall effect.\n * @param {Number} [options.resolutionScale=0.5] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n * @param {Number} [options.width=Resolution.AUTO_SIZE] - Deprecated. Use resolutionX instead.\n * @param {Number} [options.height=Resolution.AUTO_SIZE] - Deprecated. Use resolutionY instead.\n * @param {KernelSize} [options.kernelSize=KernelSize.SMALL] - The blur kernel size. Has no effect if blur is disabled.\n * @param {Boolean} [options.blur=true] - Whether the god rays should be blurred to reduce artifacts.\n */\n constructor(camera, lightSource, {\n blendFunction = BlendFunction.SCREEN,\n samples = 60,\n density = 0.96,\n decay = 0.9,\n weight = 0.4,\n exposure = 0.6,\n clampMax = 1,\n blur = true,\n kernelSize = KernelSize.SMALL,\n resolutionScale = 0.5,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"GodRaysEffect\", god_rays_default, {\n blendFunction,\n attributes: EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"map\", new Uniform21(null)]\n ])\n });\n this.camera = camera;\n this._lightSource = lightSource;\n this.lightSource = lightSource;\n this.lightScene = new Scene2();\n this.screenPosition = new Vector211();\n this.renderTargetA = new WebGLRenderTarget10(1, 1, { depthBuffer: false });\n this.renderTargetA.texture.name = \"GodRays.Target.A\";\n this.renderTargetB = this.renderTargetA.clone();\n this.renderTargetB.texture.name = \"GodRays.Target.B\";\n this.uniforms.get(\"map\").value = this.renderTargetB.texture;\n this.renderTargetLight = new WebGLRenderTarget10(1, 1);\n this.renderTargetLight.texture.name = \"GodRays.Light\";\n this.renderTargetLight.depthTexture = new DepthTexture2();\n this.renderPassLight = new RenderPass(this.lightScene, camera);\n this.renderPassLight.clearPass.overrideClearColor = new Color2(0);\n this.clearPass = new ClearPass(true, false, false);\n this.clearPass.overrideClearColor = new Color2(0);\n this.blurPass = new KawaseBlurPass({ kernelSize });\n this.blurPass.enabled = blur;\n this.depthMaskPass = new ShaderPass(new DepthMaskMaterial());\n const depthMaskMaterial = this.depthMaskMaterial;\n depthMaskMaterial.depthBuffer1 = this.renderTargetLight.depthTexture;\n depthMaskMaterial.copyCameraSettings(camera);\n this.godRaysPass = new ShaderPass(new GodRaysMaterial(this.screenPosition));\n const godRaysMaterial = this.godRaysMaterial;\n godRaysMaterial.density = density;\n godRaysMaterial.decay = decay;\n godRaysMaterial.weight = weight;\n godRaysMaterial.exposure = exposure;\n godRaysMaterial.maxIntensity = clampMax;\n godRaysMaterial.samples = samples;\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n set mainCamera(value) {\n this.camera = value;\n this.renderPassLight.mainCamera = value;\n this.depthMaskMaterial.copyCameraSettings(value);\n }\n /**\n * Sets the light source.\n *\n * @type {Mesh|Points}\n */\n get lightSource() {\n return this._lightSource;\n }\n set lightSource(value) {\n this._lightSource = value;\n if (value !== null) {\n value.material.depthWrite = false;\n value.material.transparent = true;\n }\n }\n /**\n * Returns the blur pass that reduces aliasing artifacts and makes the light softer.\n *\n * @deprecated Use blurPass instead.\n * @return {KawaseBlurPass} The blur pass.\n */\n getBlurPass() {\n return this.blurPass;\n }\n /**\n * A texture that contains the intermediate result of this effect.\n *\n * @type {Texture}\n */\n get texture() {\n return this.renderTargetB.texture;\n }\n /**\n * Returns the god rays texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.texture;\n }\n /**\n * The depth mask material.\n *\n * @type {DepthMaskMaterial}\n * @private\n */\n get depthMaskMaterial() {\n return this.depthMaskPass.fullscreenMaterial;\n }\n /**\n * The internal god rays material.\n *\n * @type {GodRaysMaterial}\n */\n get godRaysMaterial() {\n return this.godRaysPass.fullscreenMaterial;\n }\n /**\n * Returns the god rays material.\n *\n * @deprecated Use godRaysMaterial instead.\n * @return {GodRaysMaterial} The material.\n */\n getGodRaysMaterial() {\n return this.godRaysMaterial;\n }\n /**\n * Returns the resolution of this effect.\n *\n * @deprecated Use resolution instead.\n * @return {GodRaysMaterial} The material.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * The current width of the internal render targets.\n *\n * @type {Number}\n * @deprecated Use resolution.width instead.\n */\n get width() {\n return this.resolution.width;\n }\n set width(value) {\n this.resolution.preferredWidth = value;\n }\n /**\n * The current height of the internal render targets.\n *\n * @type {Number}\n * @deprecated Use resolution.height instead.\n */\n get height() {\n return this.resolution.height;\n }\n set height(value) {\n this.resolution.preferredHeight = value;\n }\n /**\n * Indicates whether dithering is enabled.\n *\n * @type {Boolean}\n * @deprecated\n */\n get dithering() {\n return this.godRaysMaterial.dithering;\n }\n set dithering(value) {\n const material = this.godRaysMaterial;\n material.dithering = value;\n material.needsUpdate = true;\n }\n /**\n * Indicates whether the god rays should be blurred to reduce artifacts.\n *\n * @type {Boolean}\n * @deprecated Use blurPass.enabled instead.\n */\n get blur() {\n return this.blurPass.enabled;\n }\n set blur(value) {\n this.blurPass.enabled = value;\n }\n /**\n * The blur kernel size.\n *\n * @type {KernelSize}\n * @deprecated Use blurPass.kernelSize instead.\n */\n get kernelSize() {\n return this.blurPass.kernelSize;\n }\n set kernelSize(value) {\n this.blurPass.kernelSize = value;\n }\n /**\n * Returns the current resolution scale.\n *\n * @return {Number} The resolution scale.\n * @deprecated Use resolution instead.\n */\n getResolutionScale() {\n return this.resolution.scale;\n }\n /**\n * Sets the resolution scale.\n *\n * @param {Number} scale - The new resolution scale.\n * @deprecated Use resolution instead.\n */\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n /**\n * The number of samples per pixel.\n *\n * @type {Number}\n * @deprecated Use godRaysMaterial.samples instead.\n */\n get samples() {\n return this.godRaysMaterial.samples;\n }\n /**\n * A higher sample count improves quality at the cost of performance.\n *\n * @type {Number}\n * @deprecated Use godRaysMaterial.samples instead.\n */\n set samples(value) {\n this.godRaysMaterial.samples = value;\n }\n /**\n * Sets the depth texture.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {Number} [depthPacking=BasicDepthPacking] - The depth packing.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking6) {\n this.depthMaskPass.fullscreenMaterial.depthBuffer0 = depthTexture;\n this.depthMaskPass.fullscreenMaterial.depthPacking0 = depthPacking;\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n const lightSource = this.lightSource;\n const parent = lightSource.parent;\n const matrixAutoUpdate = lightSource.matrixAutoUpdate;\n const renderTargetA = this.renderTargetA;\n const renderTargetLight = this.renderTargetLight;\n lightSource.material.depthWrite = true;\n lightSource.matrixAutoUpdate = false;\n lightSource.updateWorldMatrix(true, false);\n if (parent !== null) {\n if (!matrixAutoUpdate) {\n m.copy(lightSource.matrix);\n }\n lightSource.matrix.copy(lightSource.matrixWorld);\n }\n this.lightScene.add(lightSource);\n this.renderPassLight.render(renderer, renderTargetLight);\n this.clearPass.render(renderer, renderTargetA);\n this.depthMaskPass.render(renderer, renderTargetLight, renderTargetA);\n lightSource.material.depthWrite = false;\n lightSource.matrixAutoUpdate = matrixAutoUpdate;\n if (parent !== null) {\n if (!matrixAutoUpdate) {\n lightSource.matrix.copy(m);\n }\n parent.add(lightSource);\n }\n v.setFromMatrixPosition(lightSource.matrixWorld).project(this.camera);\n this.screenPosition.set(\n Math.min(Math.max((v.x + 1) * 0.5, -1), 2),\n Math.min(Math.max((v.y + 1) * 0.5, -1), 2)\n );\n if (this.blurPass.enabled) {\n this.blurPass.render(renderer, renderTargetA, renderTargetA);\n }\n this.godRaysPass.render(renderer, renderTargetA, this.renderTargetB);\n }\n /**\n * Updates the size of internal render targets.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.renderTargetA.setSize(w, h);\n this.renderTargetB.setSize(w, h);\n this.renderTargetLight.setSize(w, h);\n this.blurPass.resolution.copy(resolution);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n this.blurPass.initialize(renderer, alpha, frameBufferType);\n this.renderPassLight.initialize(renderer, alpha, frameBufferType);\n this.depthMaskPass.initialize(renderer, alpha, frameBufferType);\n this.godRaysPass.initialize(renderer, alpha, frameBufferType);\n if (frameBufferType !== void 0) {\n this.renderTargetA.texture.type = frameBufferType;\n this.renderTargetB.texture.type = frameBufferType;\n this.renderTargetLight.texture.type = frameBufferType;\n if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace8) {\n this.renderTargetA.texture.colorSpace = SRGBColorSpace8;\n this.renderTargetB.texture.colorSpace = SRGBColorSpace8;\n this.renderTargetLight.texture.colorSpace = SRGBColorSpace8;\n }\n }\n }\n};\n\n// src/effects/GridEffect.js\nimport { Uniform as Uniform22, Vector2 as Vector212 } from \"three\";\n\n// src/effects/glsl/grid.frag\nvar grid_default = \"uniform vec2 scale;uniform float lineWidth;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){float grid=0.5-max(abs(mod(uv.x*scale.x,1.0)-0.5),abs(mod(uv.y*scale.y,1.0)-0.5));outputColor=vec4(vec3(smoothstep(0.0,lineWidth,grid)),inputColor.a);}\";\n\n// src/effects/GridEffect.js\nvar GridEffect = class extends Effect {\n /**\n * Constructs a new grid effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.OVERLAY] - The blend function of this effect.\n * @param {Number} [options.scale=1.0] - The scale of the grid pattern.\n * @param {Number} [options.lineWidth=0.0] - The line width of the grid pattern.\n */\n constructor({ blendFunction = BlendFunction.OVERLAY, scale = 1, lineWidth = 0 } = {}) {\n super(\"GridEffect\", grid_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"scale\", new Uniform22(new Vector212())],\n [\"lineWidth\", new Uniform22(lineWidth)]\n ])\n });\n this.resolution = new Vector212();\n this.s = 0;\n this.scale = scale;\n this.l = 0;\n this.lineWidth = lineWidth;\n }\n /**\n * The scale.\n *\n * @type {Number}\n */\n get scale() {\n return this.s;\n }\n set scale(value) {\n this.s = Math.max(value, 1e-6);\n this.setSize(this.resolution.width, this.resolution.height);\n }\n /**\n * Returns the current grid scale.\n *\n * @deprecated Use scale instead.\n * @return {Number} The grid scale.\n */\n getScale() {\n return this.scale;\n }\n /**\n * Sets the grid scale.\n *\n * @deprecated Use scale instead.\n * @param {Number} value - The new grid scale.\n */\n setScale(value) {\n this.scale = value;\n }\n /**\n * The line width.\n *\n * @type {Number}\n */\n get lineWidth() {\n return this.l;\n }\n set lineWidth(value) {\n this.l = value;\n this.setSize(this.resolution.width, this.resolution.height);\n }\n /**\n * Returns the current grid line width.\n *\n * @deprecated Use lineWidth instead.\n * @return {Number} The grid line width.\n */\n getLineWidth() {\n return this.lineWidth;\n }\n /**\n * Sets the grid line width.\n *\n * @deprecated Use lineWidth instead.\n * @param {Number} value - The new grid line width.\n */\n setLineWidth(value) {\n this.lineWidth = value;\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.resolution.set(width, height);\n const aspect = width / height;\n const scale = this.scale * (height * 0.125);\n this.uniforms.get(\"scale\").value.set(aspect * scale, scale);\n this.uniforms.get(\"lineWidth\").value = scale / height + this.lineWidth;\n }\n};\n\n// src/effects/HueSaturationEffect.js\nimport { Uniform as Uniform23, Vector3 as Vector32 } from \"three\";\n\n// src/effects/glsl/hue-saturation.frag\nvar hue_saturation_default = \"uniform vec3 hue;uniform float saturation;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=vec3(dot(inputColor.rgb,hue.xyz),dot(inputColor.rgb,hue.zxy),dot(inputColor.rgb,hue.yzx));float average=(color.r+color.g+color.b)/3.0;vec3 diff=average-color;if(saturation>0.0){color+=diff*(1.0-1.0/(1.001-saturation));}else{color+=diff*-saturation;}outputColor=vec4(min(color,1.0),inputColor.a);}\";\n\n// src/effects/HueSaturationEffect.js\nvar HueSaturationEffect = class extends Effect {\n /**\n * Constructs a new hue/saturation effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SRC] - The blend function of this effect.\n * @param {Number} [options.hue=0.0] - The hue in radians.\n * @param {Number} [options.saturation=0.0] - The saturation factor, ranging from -1 to 1, where 0 means no change.\n */\n constructor({ blendFunction = BlendFunction.SRC, hue = 0, saturation = 0 } = {}) {\n super(\"HueSaturationEffect\", hue_saturation_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"hue\", new Uniform23(new Vector32())],\n [\"saturation\", new Uniform23(saturation)]\n ])\n });\n this.hue = hue;\n }\n /**\n * The saturation.\n *\n * @type {Number}\n */\n get saturation() {\n return this.uniforms.get(\"saturation\").value;\n }\n set saturation(value) {\n this.uniforms.get(\"saturation\").value = value;\n }\n /**\n * Returns the saturation.\n *\n * @deprecated Use saturation instead.\n * @return {Number} The saturation.\n */\n getSaturation() {\n return this.saturation;\n }\n /**\n * Sets the saturation.\n *\n * @deprecated Use saturation instead.\n * @param {Number} value - The saturation.\n */\n setSaturation(value) {\n this.saturation = value;\n }\n /**\n * The hue.\n *\n * @type {Number}\n */\n get hue() {\n const hue = this.uniforms.get(\"hue\").value;\n return Math.acos((hue.x * 3 - 1) / 2);\n }\n set hue(value) {\n const s = Math.sin(value), c2 = Math.cos(value);\n this.uniforms.get(\"hue\").value.set(\n (2 * c2 + 1) / 3,\n (-Math.sqrt(3) * s - c2 + 1) / 3,\n (Math.sqrt(3) * s - c2 + 1) / 3\n );\n }\n /**\n * Returns the hue.\n *\n * @deprecated Use hue instead.\n * @return {Number} The hue in radians.\n */\n getHue() {\n return this.hue;\n }\n /**\n * Sets the hue.\n *\n * @deprecated Use hue instead.\n * @param {Number} value - The hue in radians.\n */\n setHue(value) {\n this.hue = value;\n }\n};\n\n// src/effects/LensDistortionEffect.js\nimport { Uniform as Uniform24, Vector2 as Vector213 } from \"three\";\n\n// src/effects/glsl/lens-distortion.frag\nvar lens_distortion_default = \"uniform vec2 distortion;uniform vec2 principalPoint;uniform vec2 focalLength;uniform float skew;float mask(const in vec2 uv){return float(uv.s>=0.0&&uv.s<=1.0&&uv.t>=0.0&&uv.t<=1.0);}void mainUv(inout vec2 uv){vec2 xn=2.0*(uv.st-0.5);vec3 xDistorted=vec3((1.0+distortion*dot(xn,xn))*xn,1.0);mat3 kk=mat3(vec3(focalLength.x,0.0,0.0),vec3(skew*focalLength.x,focalLength.y,0.0),vec3(principalPoint.x,principalPoint.y,1.0));uv=(kk*xDistorted).xy*0.5+0.5;}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=mask(uv)*inputColor;}\";\n\n// src/effects/LensDistortionEffect.js\nvar LensDistortionEffect = class extends Effect {\n /**\n * Constructs a new lens distortion effect.\n *\n * @param {Object} [options] - The options.\n * @param {Vector2} [options.distortion] - The distortion value.\n * @param {Vector2} [options.principalPoint] - The center point.\n * @param {Vector2} [options.focalLength] - The focal length.\n * @param {Number} [options.skew=0] - The skew value.\n */\n constructor({\n distortion = new Vector213(0, 0),\n principalPoint = new Vector213(0, 0),\n focalLength = new Vector213(1, 1),\n skew = 0\n } = {}) {\n super(\"LensDistortionEffect\", lens_distortion_default, {\n uniforms: /* @__PURE__ */ new Map([\n [\"distortion\", new Uniform24(distortion)],\n [\"principalPoint\", new Uniform24(principalPoint)],\n [\"focalLength\", new Uniform24(focalLength)],\n [\"skew\", new Uniform24(skew)]\n ])\n });\n }\n /**\n * The radial distortion coefficients. Default is (0, 0).\n *\n * @type {Vector2}\n */\n get distortion() {\n return this.uniforms.get(\"distortion\").value;\n }\n set distortion(value) {\n this.uniforms.get(\"distortion\").value = value;\n }\n /**\n * The principal point. Default is (0, 0).\n *\n * @type {Vector2}\n */\n get principalPoint() {\n return this.uniforms.get(\"principalPoint\").value;\n }\n set principalPoint(value) {\n this.uniforms.get(\"principalPoint\").value = value;\n }\n /**\n * The focal length. Default is (1, 1).\n *\n * @type {Vector2}\n */\n get focalLength() {\n return this.uniforms.get(\"focalLength\").value;\n }\n set focalLength(value) {\n this.uniforms.get(\"focalLength\").value = value;\n }\n /**\n * The skew factor in radians.\n *\n * @type {Number}\n */\n get skew() {\n return this.uniforms.get(\"skew\").value;\n }\n set skew(value) {\n this.uniforms.get(\"skew\").value = value;\n }\n};\n\n// src/effects/LUT1DEffect.js\nimport { FloatType, HalfFloatType, Uniform as Uniform25 } from \"three\";\n\n// src/effects/glsl/lut-1d.frag\nvar lut_1d_default = \"#ifdef LUT_PRECISION_HIGH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D lut;\\n#else\\nuniform mediump sampler2D lut;\\n#endif\\n#else\\nuniform lowp sampler2D lut;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=vec4(texture2D(lut,vec2(inputColor.r,0.5)).r,texture2D(lut,vec2(inputColor.g,0.5)).r,texture2D(lut,vec2(inputColor.b,0.5)).r,inputColor.a);}\";\n\n// src/effects/LUT1DEffect.js\nvar LUT1DEffect = class extends Effect {\n /**\n * Constructs a new color grading effect.\n *\n * @param {Texture} lut - The lookup texture.\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SRC] - The blend function of this effect.\n */\n constructor(lut, { blendFunction = BlendFunction.SRC } = {}) {\n super(\"LUT1DEffect\", lut_1d_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([[\"lut\", new Uniform25(null)]])\n });\n this.lut = lut;\n }\n /**\n * The LUT.\n *\n * @type {Texture}\n */\n get lut() {\n return this.uniforms.get(\"lut\").value;\n }\n set lut(value) {\n this.uniforms.get(\"lut\").value = value;\n if (value !== null && (value.type === FloatType || value.type === HalfFloatType)) {\n this.defines.set(\"LUT_PRECISION_HIGH\", \"1\");\n }\n }\n};\n\n// src/effects/LUT3DEffect.js\nimport {\n Data3DTexture as Data3DTexture2,\n FloatType as FloatType3,\n HalfFloatType as HalfFloatType2,\n LinearFilter as LinearFilter4,\n NearestFilter as NearestFilter2,\n SRGBColorSpace as SRGBColorSpace10,\n Uniform as Uniform26,\n Vector3 as Vector34\n} from \"three\";\n\n// src/textures/lut/LookupTexture.js\nimport {\n Color as Color3,\n ClampToEdgeWrapping,\n DataTexture as DataTexture2,\n Data3DTexture,\n FloatType as FloatType2,\n LinearFilter as LinearFilter3,\n LinearSRGBColorSpace as LinearSRGBColorSpace3,\n RGBAFormat as RGBAFormat3,\n SRGBColorSpace as SRGBColorSpace9,\n UnsignedByteType as UnsignedByteType10,\n Vector3 as Vector33\n} from \"three\";\n\n// src/enums/LUTOperation.js\nvar LUTOperation = {\n SCALE_UP: \"lut.scaleup\"\n};\n\n// src/textures/RawImageData.js\nfunction createCanvas(width, height, data) {\n const canvas = document.createElement(\"canvas\");\n const context = canvas.getContext(\"2d\");\n canvas.width = width;\n canvas.height = height;\n if (data instanceof Image) {\n context.drawImage(data, 0, 0);\n } else {\n const imageData = context.createImageData(width, height);\n imageData.data.set(data);\n context.putImageData(imageData, 0, 0);\n }\n return canvas;\n}\nvar RawImageData = class _RawImageData {\n /**\n * Constructs a new image data container.\n *\n * @param {Number} [width=0] - The width of the image.\n * @param {Number} [height=0] - The height of the image.\n * @param {Uint8ClampedArray} [data=null] - The image data.\n */\n constructor(width = 0, height = 0, data = null) {\n this.width = width;\n this.height = height;\n this.data = data;\n }\n /**\n * Creates a canvas from this image data.\n *\n * @return {Canvas} The canvas, or null if it couldn't be created.\n */\n toCanvas() {\n return typeof document === \"undefined\" ? null : createCanvas(this.width, this.height, this.data);\n }\n /**\n * Creates a new image data container.\n *\n * @param {ImageData|Image} image - An image or plain image data.\n * @return {RawImageData} The image data.\n */\n static from(image) {\n const { width, height } = image;\n let data;\n if (image instanceof Image) {\n const canvas = createCanvas(width, height, image);\n if (canvas !== null) {\n const context = canvas.getContext(\"2d\");\n data = context.getImageData(0, 0, width, height).data;\n }\n } else {\n data = image.data;\n }\n return new _RawImageData(width, height, data);\n }\n};\n\n// tmp/lut/worker.txt\nvar worker_default = '\"use strict\";(()=>{var O={SCALE_UP:\"lut.scaleup\"};var _=[new Float32Array(3),new Float32Array(3)],n=[new Float32Array(3),new Float32Array(3),new Float32Array(3),new Float32Array(3)],Z=[[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([0,1,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([0,1,1]),new Float32Array([1,1,1])]];function d(a,t,r,m){let i=r[0]-t[0],e=r[1]-t[1],y=r[2]-t[2],h=a[0]-t[0],A=a[1]-t[1],w=a[2]-t[2],c=e*w-y*A,l=y*h-i*w,x=i*A-e*h,u=Math.sqrt(c*c+l*l+x*x),b=u*.5,s=c/u,F=l/u,f=x/u,p=-(a[0]*s+a[1]*F+a[2]*f),M=m[0]*s+m[1]*F+m[2]*f;return Math.abs(M+p)*b/3}function V(a,t,r,m,i,e){let y=(r+m*t+i*t*t)*4;e[0]=a[y+0],e[1]=a[y+1],e[2]=a[y+2]}function k(a,t,r,m,i,e){let y=r*(t-1),h=m*(t-1),A=i*(t-1),w=Math.floor(y),c=Math.floor(h),l=Math.floor(A),x=Math.ceil(y),u=Math.ceil(h),b=Math.ceil(A),s=y-w,F=h-c,f=A-l;if(w===y&&c===h&&l===A)V(a,t,y,h,A,e);else{let p;s>=F&&F>=f?p=Z[0]:s>=f&&f>=F?p=Z[1]:f>=s&&s>=F?p=Z[2]:F>=s&&s>=f?p=Z[3]:F>=f&&f>=s?p=Z[4]:f>=F&&F>=s&&(p=Z[5]);let[M,g,X,Y]=p,P=_[0];P[0]=s,P[1]=F,P[2]=f;let o=_[1],L=x-w,S=u-c,U=b-l;o[0]=L*M[0]+w,o[1]=S*M[1]+c,o[2]=U*M[2]+l,V(a,t,o[0],o[1],o[2],n[0]),o[0]=L*g[0]+w,o[1]=S*g[1]+c,o[2]=U*g[2]+l,V(a,t,o[0],o[1],o[2],n[1]),o[0]=L*X[0]+w,o[1]=S*X[1]+c,o[2]=U*X[2]+l,V(a,t,o[0],o[1],o[2],n[2]),o[0]=L*Y[0]+w,o[1]=S*Y[1]+c,o[2]=U*Y[2]+l,V(a,t,o[0],o[1],o[2],n[3]);let T=d(g,X,Y,P)*6,q=d(M,X,Y,P)*6,C=d(M,g,Y,P)*6,E=d(M,g,X,P)*6;n[0][0]*=T,n[0][1]*=T,n[0][2]*=T,n[1][0]*=q,n[1][1]*=q,n[1][2]*=q,n[2][0]*=C,n[2][1]*=C,n[2][2]*=C,n[3][0]*=E,n[3][1]*=E,n[3][2]*=E,e[0]=n[0][0]+n[1][0]+n[2][0]+n[3][0],e[1]=n[0][1]+n[1][1]+n[2][1]+n[3][1],e[2]=n[0][2]+n[1][2]+n[2][2]+n[3][2]}}var v=class{static expand(t,r){let m=Math.cbrt(t.length/4),i=new Float32Array(3),e=new t.constructor(r**3*4),y=t instanceof Uint8Array?255:1,h=r**2,A=1/(r-1);for(let w=0;w{let t=a.data,r=t.data;switch(t.operation){case O.SCALE_UP:r=v.expand(r,t.size);break}postMessage(r,[r.buffer]),close()});})();\\n';\n\n// src/textures/lut/LookupTexture.js\nvar c = /* @__PURE__ */ new Color3();\nvar LookupTexture = class _LookupTexture extends Data3DTexture {\n /**\n * Constructs a cubic 3D lookup texture.\n *\n * @param {TypedArray} data - The pixel data. The default format is RGBA.\n * @param {Number} size - The sidelength.\n */\n constructor(data, size) {\n super(data, size, size, size);\n this.type = FloatType2;\n this.format = RGBAFormat3;\n this.minFilter = LinearFilter3;\n this.magFilter = LinearFilter3;\n this.wrapS = ClampToEdgeWrapping;\n this.wrapT = ClampToEdgeWrapping;\n this.wrapR = ClampToEdgeWrapping;\n this.unpackAlignment = 1;\n this.needsUpdate = true;\n this.colorSpace = LinearSRGBColorSpace3;\n this.domainMin = new Vector33(0, 0, 0);\n this.domainMax = new Vector33(1, 1, 1);\n }\n /**\n * Indicates that this is an instance of LookupTexture3D.\n *\n * @type {Boolean}\n * @deprecated\n */\n get isLookupTexture3D() {\n return true;\n }\n /**\n * Scales this LUT up to a given target size using tetrahedral interpolation.\n *\n * @param {Number} size - The target sidelength.\n * @param {Boolean} [transferData=true] - Extra fast mode. Set to false to keep the original data intact.\n * @return {Promise} A promise that resolves with a new LUT upon completion.\n */\n scaleUp(size, transferData = true) {\n const image = this.image;\n let promise;\n if (size <= image.width) {\n promise = Promise.reject(new Error(\"The target size must be greater than the current size\"));\n } else {\n promise = new Promise((resolve, reject) => {\n const workerURL = URL.createObjectURL(new Blob([worker_default], {\n type: \"text/javascript\"\n }));\n const worker = new Worker(workerURL);\n worker.addEventListener(\"error\", (event) => reject(event.error));\n worker.addEventListener(\"message\", (event) => {\n const lut = new _LookupTexture(event.data, size);\n this.colorSpace = lut.colorSpace;\n lut.type = this.type;\n lut.name = this.name;\n URL.revokeObjectURL(workerURL);\n resolve(lut);\n });\n const transferList = transferData ? [image.data.buffer] : [];\n worker.postMessage({\n operation: LUTOperation.SCALE_UP,\n data: image.data,\n size\n }, transferList);\n });\n }\n return promise;\n }\n /**\n * Applies the given LUT to this one.\n *\n * @param {LookupTexture} lut - A LUT. Must have the same dimensions, type and format as this LUT.\n * @return {LookupTexture} This texture.\n */\n applyLUT(lut) {\n const img0 = this.image;\n const img1 = lut.image;\n const size0 = Math.min(img0.width, img0.height, img0.depth);\n const size1 = Math.min(img1.width, img1.height, img1.depth);\n if (size0 !== size1) {\n console.error(\"Size mismatch\");\n } else if (lut.type !== FloatType2 || this.type !== FloatType2) {\n console.error(\"Both LUTs must be FloatType textures\");\n } else if (lut.format !== RGBAFormat3 || this.format !== RGBAFormat3) {\n console.error(\"Both LUTs must be RGBA textures\");\n } else {\n const data0 = img0.data;\n const data1 = img1.data;\n const size = size0;\n const sizeSq = size ** 2;\n const s = size - 1;\n for (let i = 0, l = size ** 3; i < l; ++i) {\n const i4 = i * 4;\n const r = data0[i4 + 0] * s;\n const g = data0[i4 + 1] * s;\n const b = data0[i4 + 2] * s;\n const iRGB = Math.round(r + g * size + b * sizeSq) * 4;\n data0[i4 + 0] = data1[iRGB + 0];\n data0[i4 + 1] = data1[iRGB + 1];\n data0[i4 + 2] = data1[iRGB + 2];\n }\n this.needsUpdate = true;\n }\n return this;\n }\n /**\n * Converts the LUT data into unsigned byte data.\n *\n * This is a lossy operation which should only be performed after all other transformations have been applied.\n *\n * @return {LookupTexture} This texture.\n */\n convertToUint8() {\n if (this.type === FloatType2) {\n const floatData = this.image.data;\n const uint8Data = new Uint8Array(floatData.length);\n for (let i = 0, l = floatData.length; i < l; ++i) {\n uint8Data[i] = floatData[i] * 255 + 0.5;\n }\n this.image.data = uint8Data;\n this.type = UnsignedByteType10;\n this.needsUpdate = true;\n }\n return this;\n }\n /**\n * Converts the LUT data into float data.\n *\n * @return {LookupTexture} This texture.\n */\n convertToFloat() {\n if (this.type === UnsignedByteType10) {\n const uint8Data = this.image.data;\n const floatData = new Float32Array(uint8Data.length);\n for (let i = 0, l = uint8Data.length; i < l; ++i) {\n floatData[i] = uint8Data[i] / 255;\n }\n this.image.data = floatData;\n this.type = FloatType2;\n this.needsUpdate = true;\n }\n return this;\n }\n /**\n * Converts this LUT into RGBA data.\n *\n * @deprecated LUTs are RGBA by default since three r137.\n * @return {LookupTexture} This texture.\n */\n convertToRGBA() {\n console.warn(\"LookupTexture\", \"convertToRGBA() is deprecated, LUTs are now RGBA by default\");\n return this;\n }\n /**\n * Converts the output of this LUT into sRGB color space.\n *\n * @return {LookupTexture} This texture.\n */\n convertLinearToSRGB() {\n const data = this.image.data;\n if (this.type === FloatType2) {\n for (let i = 0, l = data.length; i < l; i += 4) {\n c.fromArray(data, i).convertLinearToSRGB().toArray(data, i);\n }\n this.colorSpace = SRGBColorSpace9;\n this.needsUpdate = true;\n } else {\n console.error(\"Color space conversion requires FloatType data\");\n }\n return this;\n }\n /**\n * Converts the output of this LUT into linear color space.\n *\n * @return {LookupTexture} This texture.\n */\n convertSRGBToLinear() {\n const data = this.image.data;\n if (this.type === FloatType2) {\n for (let i = 0, l = data.length; i < l; i += 4) {\n c.fromArray(data, i).convertSRGBToLinear().toArray(data, i);\n }\n this.colorSpace = LinearSRGBColorSpace3;\n this.needsUpdate = true;\n } else {\n console.error(\"Color space conversion requires FloatType data\");\n }\n return this;\n }\n /**\n * Converts this LUT into a 2D data texture.\n *\n * Please note that custom input domains are not carried over to 2D textures.\n *\n * @return {DataTexture} The texture.\n */\n toDataTexture() {\n const width = this.image.width;\n const height = this.image.height * this.image.depth;\n const texture = new DataTexture2(this.image.data, width, height);\n texture.name = this.name;\n texture.type = this.type;\n texture.format = this.format;\n texture.minFilter = LinearFilter3;\n texture.magFilter = LinearFilter3;\n texture.wrapS = this.wrapS;\n texture.wrapT = this.wrapT;\n texture.generateMipmaps = false;\n texture.needsUpdate = true;\n this.colorSpace = texture.colorSpace;\n return texture;\n }\n /**\n * Creates a new 3D LUT by copying a given LUT.\n *\n * Common image-based textures will be converted into 3D data textures.\n *\n * @param {Texture} texture - The LUT. Assumed to be cubic.\n * @return {LookupTexture} A new 3D LUT.\n */\n static from(texture) {\n const image = texture.image;\n const { width, height } = image;\n const size = Math.min(width, height);\n let data;\n if (image instanceof Image) {\n const rawImageData = RawImageData.from(image);\n const src = rawImageData.data;\n if (width > height) {\n data = new Uint8Array(src.length);\n for (let z = 0; z < size; ++z) {\n for (let y = 0; y < size; ++y) {\n for (let x = 0; x < size; ++x) {\n const i4 = (x + z * size + y * size * size) * 4;\n const j4 = (x + y * size + z * size * size) * 4;\n data[j4 + 0] = src[i4 + 0];\n data[j4 + 1] = src[i4 + 1];\n data[j4 + 2] = src[i4 + 2];\n data[j4 + 3] = src[i4 + 3];\n }\n }\n }\n } else {\n data = new Uint8Array(src.buffer);\n }\n } else {\n data = image.data.slice();\n }\n const lut = new _LookupTexture(data, size);\n lut.type = texture.type;\n lut.name = texture.name;\n texture.colorSpace = lut.colorSpace;\n return lut;\n }\n /**\n * Creates a neutral 3D LUT.\n *\n * @param {Number} size - The sidelength.\n * @return {LookupTexture} A neutral 3D LUT.\n */\n static createNeutral(size) {\n const data = new Float32Array(size ** 3 * 4);\n const sizeSq = size ** 2;\n const s = 1 / (size - 1);\n for (let r = 0; r < size; ++r) {\n for (let g = 0; g < size; ++g) {\n for (let b = 0; b < size; ++b) {\n const i4 = (r + g * size + b * sizeSq) * 4;\n data[i4 + 0] = r * s;\n data[i4 + 1] = g * s;\n data[i4 + 2] = b * s;\n data[i4 + 3] = 1;\n }\n }\n }\n const lut = new _LookupTexture(data, size);\n lut.name = \"neutral\";\n return lut;\n }\n};\n\n// src/effects/glsl/lut-3d.frag\nvar lut_3d_default = \"uniform vec3 scale;uniform vec3 offset;\\n#ifdef CUSTOM_INPUT_DOMAIN\\nuniform vec3 domainMin;uniform vec3 domainMax;\\n#endif\\n#ifdef LUT_3D\\n#ifdef LUT_PRECISION_HIGH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler3D lut;\\n#else\\nuniform mediump sampler3D lut;\\n#endif\\n#else\\nuniform lowp sampler3D lut;\\n#endif\\nvec4 applyLUT(const in vec3 rgb){\\n#ifdef TETRAHEDRAL_INTERPOLATION\\nvec3 p=floor(rgb);vec3 f=rgb-p;vec3 v1=(p+0.5)*LUT_TEXEL_WIDTH;vec3 v4=(p+1.5)*LUT_TEXEL_WIDTH;vec3 v2,v3;vec3 frac;if(f.r>=f.g){if(f.g>f.b){frac=f.rgb;v2=vec3(v4.x,v1.y,v1.z);v3=vec3(v4.x,v4.y,v1.z);}else if(f.r>=f.b){frac=f.rbg;v2=vec3(v4.x,v1.y,v1.z);v3=vec3(v4.x,v1.y,v4.z);}else{frac=f.brg;v2=vec3(v1.x,v1.y,v4.z);v3=vec3(v4.x,v1.y,v4.z);}}else{if(f.b>f.g){frac=f.bgr;v2=vec3(v1.x,v1.y,v4.z);v3=vec3(v1.x,v4.y,v4.z);}else if(f.r>=f.b){frac=f.grb;v2=vec3(v1.x,v4.y,v1.z);v3=vec3(v4.x,v4.y,v1.z);}else{frac=f.gbr;v2=vec3(v1.x,v4.y,v1.z);v3=vec3(v1.x,v4.y,v4.z);}}vec4 n1=texture(lut,v1);vec4 n2=texture(lut,v2);vec4 n3=texture(lut,v3);vec4 n4=texture(lut,v4);vec4 weights=vec4(1.0-frac.x,frac.x-frac.y,frac.y-frac.z,frac.z);vec4 result=weights*mat4(vec4(n1.r,n2.r,n3.r,n4.r),vec4(n1.g,n2.g,n3.g,n4.g),vec4(n1.b,n2.b,n3.b,n4.b),vec4(1.0));return vec4(result.rgb,1.0);\\n#else\\nreturn texture(lut,rgb);\\n#endif\\n}\\n#else\\n#ifdef LUT_PRECISION_HIGH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D lut;\\n#else\\nuniform mediump sampler2D lut;\\n#endif\\n#else\\nuniform lowp sampler2D lut;\\n#endif\\nvec4 applyLUT(const in vec3 rgb){float slice=rgb.b*LUT_SIZE;float slice0=floor(slice);float interp=slice-slice0;float centeredInterp=interp-0.5;float slice1=slice0+sign(centeredInterp);\\n#ifdef LUT_STRIP_HORIZONTAL\\nfloat xOffset=clamp(rgb.r*LUT_TEXEL_HEIGHT,LUT_TEXEL_WIDTH*0.5,LUT_TEXEL_HEIGHT-LUT_TEXEL_WIDTH*0.5);vec2 uv0=vec2(slice0*LUT_TEXEL_HEIGHT+xOffset,rgb.g);vec2 uv1=vec2(slice1*LUT_TEXEL_HEIGHT+xOffset,rgb.g);\\n#else\\nfloat yOffset=clamp(rgb.g*LUT_TEXEL_WIDTH,LUT_TEXEL_HEIGHT*0.5,LUT_TEXEL_WIDTH-LUT_TEXEL_HEIGHT*0.5);vec2 uv0=vec2(rgb.r,slice0*LUT_TEXEL_WIDTH+yOffset);vec2 uv1=vec2(rgb.r,slice1*LUT_TEXEL_WIDTH+yOffset);\\n#endif\\nvec4 sample0=texture2D(lut,uv0);vec4 sample1=texture2D(lut,uv1);return mix(sample0,sample1,abs(centeredInterp));}\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 c=inputColor.rgb;\\n#ifdef CUSTOM_INPUT_DOMAIN\\nif(c.r>=domainMin.r&&c.g>=domainMin.g&&c.b>=domainMin.b&&c.r<=domainMax.r&&c.g<=domainMax.g&&c.b<=domainMax.b){c=applyLUT(scale*c+offset).rgb;}else{c=inputColor.rgb;}\\n#else\\n#if !defined(LUT_3D) || defined(TETRAHEDRAL_INTERPOLATION)\\nc=clamp(c,0.0,1.0);\\n#endif\\nc=applyLUT(scale*c+offset).rgb;\\n#endif\\noutputColor=vec4(c,inputColor.a);}\";\n\n// src/effects/LUT3DEffect.js\nvar LUT3DEffect = class extends Effect {\n /**\n * Constructs a new color grading effect.\n *\n * @param {Texture} lut - The lookup texture.\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SRC] - The blend function of this effect.\n * @param {Boolean} [options.tetrahedralInterpolation=false] - Enables or disables tetrahedral interpolation.\n * @param {ColorSpace} [options.inputColorSpace=SRGBColorSpace] - The input color space.\n */\n constructor(lut, {\n blendFunction = BlendFunction.SRC,\n tetrahedralInterpolation = false,\n inputColorSpace = SRGBColorSpace10\n } = {}) {\n super(\"LUT3DEffect\", lut_3d_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"lut\", new Uniform26(null)],\n [\"scale\", new Uniform26(new Vector34())],\n [\"offset\", new Uniform26(new Vector34())],\n [\"domainMin\", new Uniform26(null)],\n [\"domainMax\", new Uniform26(null)]\n ])\n });\n this.tetrahedralInterpolation = tetrahedralInterpolation;\n this.inputColorSpace = inputColorSpace;\n this.lut = lut;\n }\n /**\n * The LUT.\n *\n * @type {Texture}\n */\n get lut() {\n return this.uniforms.get(\"lut\").value;\n }\n set lut(value) {\n const defines = this.defines;\n const uniforms = this.uniforms;\n if (this.lut !== value) {\n uniforms.get(\"lut\").value = value;\n if (value !== null) {\n const image = value.image;\n const tetrahedralInterpolation = this.tetrahedralInterpolation;\n defines.clear();\n defines.set(\"LUT_SIZE\", Math.min(image.width, image.height).toFixed(16));\n defines.set(\"LUT_TEXEL_WIDTH\", (1 / image.width).toFixed(16));\n defines.set(\"LUT_TEXEL_HEIGHT\", (1 / image.height).toFixed(16));\n uniforms.get(\"domainMin\").value = null;\n uniforms.get(\"domainMax\").value = null;\n if (value.type === FloatType3 || value.type === HalfFloatType2) {\n defines.set(\"LUT_PRECISION_HIGH\", \"1\");\n }\n if (image.width > image.height) {\n defines.set(\"LUT_STRIP_HORIZONTAL\", \"1\");\n } else if (value instanceof Data3DTexture2) {\n defines.set(\"LUT_3D\", \"1\");\n }\n if (value instanceof LookupTexture) {\n const min = value.domainMin;\n const max = value.domainMax;\n if (min.x !== 0 || min.y !== 0 || min.z !== 0 || max.x !== 1 || max.y !== 1 || max.z !== 1) {\n defines.set(\"CUSTOM_INPUT_DOMAIN\", \"1\");\n uniforms.get(\"domainMin\").value = min.clone();\n uniforms.get(\"domainMax\").value = max.clone();\n }\n }\n this.tetrahedralInterpolation = tetrahedralInterpolation;\n }\n }\n }\n /**\n * Returns the current LUT.\n *\n * @deprecated Use lut instead.\n * @return {Texture} The LUT.\n */\n getLUT() {\n return this.lut;\n }\n /**\n * Sets the LUT.\n *\n * @deprecated Use lut instead.\n * @param {Texture} value - The LUT.\n */\n setLUT(value) {\n this.lut = value;\n }\n /**\n * Updates the scale and offset for the LUT sampling coordinates.\n *\n * @private\n */\n updateScaleOffset() {\n const lut = this.lut;\n if (lut !== null) {\n const size = Math.min(lut.image.width, lut.image.height);\n const scale = this.uniforms.get(\"scale\").value;\n const offset = this.uniforms.get(\"offset\").value;\n if (this.tetrahedralInterpolation && lut instanceof Data3DTexture2) {\n if (this.defines.has(\"CUSTOM_INPUT_DOMAIN\")) {\n const domainScale = lut.domainMax.clone().sub(lut.domainMin);\n scale.setScalar(size - 1).divide(domainScale);\n offset.copy(lut.domainMin).negate().multiply(scale);\n } else {\n scale.setScalar(size - 1);\n offset.setScalar(0);\n }\n } else {\n if (this.defines.has(\"CUSTOM_INPUT_DOMAIN\")) {\n const domainScale = lut.domainMax.clone().sub(lut.domainMin).multiplyScalar(size);\n scale.setScalar(size - 1).divide(domainScale);\n offset.copy(lut.domainMin).negate().multiply(scale).addScalar(1 / (2 * size));\n } else {\n scale.setScalar((size - 1) / size);\n offset.setScalar(1 / (2 * size));\n }\n }\n }\n }\n /**\n * Configures parameters for tetrahedral interpolation.\n *\n * @private\n */\n configureTetrahedralInterpolation() {\n const lut = this.lut;\n if (lut !== null) {\n lut.minFilter = LinearFilter4;\n lut.magFilter = LinearFilter4;\n if (this.tetrahedralInterpolation) {\n if (lut instanceof Data3DTexture2) {\n lut.minFilter = NearestFilter2;\n lut.magFilter = NearestFilter2;\n } else {\n console.warn(\"Tetrahedral interpolation requires a 3D texture\");\n }\n }\n lut.needsUpdate = true;\n }\n }\n /**\n * Indicates whether tetrahedral interpolation is enabled. Requires a 3D LUT, disabled by default.\n *\n * Tetrahedral interpolation produces highly accurate results but is slower than hardware interpolation.\n *\n * @type {Boolean}\n */\n get tetrahedralInterpolation() {\n return this.defines.has(\"TETRAHEDRAL_INTERPOLATION\");\n }\n set tetrahedralInterpolation(value) {\n if (value) {\n this.defines.set(\"TETRAHEDRAL_INTERPOLATION\", \"1\");\n } else {\n this.defines.delete(\"TETRAHEDRAL_INTERPOLATION\");\n }\n this.configureTetrahedralInterpolation();\n this.updateScaleOffset();\n this.setChanged();\n }\n /**\n * Enables or disables tetrahedral interpolation.\n *\n * @deprecated Use tetrahedralInterpolation instead.\n * @param {Boolean} value - Whether tetrahedral interpolation should be enabled.\n */\n setTetrahedralInterpolationEnabled(value) {\n this.tetrahedralInterpolation = value;\n }\n};\n\n// src/enums/DepthCopyMode.js\nvar DepthCopyMode = {\n FULL: 0,\n SINGLE: 1\n};\n\n// src/enums/EdgeDetectionMode.js\nvar EdgeDetectionMode = {\n DEPTH: 0,\n LUMA: 1,\n COLOR: 2\n};\n\n// src/enums/PredicationMode.js\nvar PredicationMode = {\n DISABLED: 0,\n DEPTH: 1,\n CUSTOM: 2\n};\n\n// src/enums/SMAAPreset.js\nvar SMAAPreset = {\n LOW: 0,\n MEDIUM: 1,\n HIGH: 2,\n ULTRA: 3\n};\n\n// src/enums/ToneMappingMode.js\nvar ToneMappingMode = {\n LINEAR: 0,\n REINHARD: 1,\n REINHARD2: 2,\n REINHARD2_ADAPTIVE: 3,\n UNCHARTED2: 4,\n OPTIMIZED_CINEON: 5,\n CINEON: 5,\n ACES_FILMIC: 6,\n AGX: 7,\n NEUTRAL: 8\n};\n\n// src/enums/VignetteTechnique.js\nvar VignetteTechnique = {\n DEFAULT: 0,\n ESKIL: 1\n};\n\n// src/enums/WebGLExtension.js\nvar WebGLExtension = {\n DERIVATIVES: \"derivatives\",\n FRAG_DEPTH: \"fragDepth\",\n DRAW_BUFFERS: \"drawBuffers\",\n SHADER_TEXTURE_LOD: \"shaderTextureLOD\"\n};\n\n// src/effects/glsl/noise.frag\nvar noise_default = \"void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 noise=vec3(rand(uv*(1.0+time)));\\n#ifdef PREMULTIPLY\\noutputColor=vec4(min(inputColor.rgb*noise,vec3(1.0)),inputColor.a);\\n#else\\noutputColor=vec4(noise,inputColor.a);\\n#endif\\n}\";\n\n// src/effects/NoiseEffect.js\nvar NoiseEffect = class extends Effect {\n /**\n * Constructs a new noise effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SCREEN] - The blend function of this effect.\n * @param {Boolean} [options.premultiply=false] - Whether the noise should be multiplied with the input colors prior to blending.\n */\n constructor({ blendFunction = BlendFunction.SCREEN, premultiply = false } = {}) {\n super(\"NoiseEffect\", noise_default, { blendFunction });\n this.premultiply = premultiply;\n }\n /**\n * Indicates whether noise will be multiplied with the input colors prior to blending.\n *\n * @type {Boolean}\n */\n get premultiply() {\n return this.defines.has(\"PREMULTIPLY\");\n }\n set premultiply(value) {\n if (this.premultiply !== value) {\n if (value) {\n this.defines.set(\"PREMULTIPLY\", \"1\");\n } else {\n this.defines.delete(\"PREMULTIPLY\");\n }\n this.setChanged();\n }\n }\n /**\n * Indicates whether noise will be multiplied with the input colors prior to blending.\n *\n * @deprecated Use premultiply instead.\n * @return {Boolean} Whether noise is premultiplied.\n */\n isPremultiplied() {\n return this.premultiply;\n }\n /**\n * Controls whether noise should be multiplied with the input colors prior to blending.\n *\n * @deprecated Use premultiply instead.\n * @param {Boolean} value - Whether noise should be premultiplied.\n */\n setPremultiplied(value) {\n this.premultiply = value;\n }\n};\n\n// src/effects/OutlineEffect.js\nimport { Color as Color5, RepeatWrapping as RepeatWrapping2, Uniform as Uniform29, UnsignedByteType as UnsignedByteType11, WebGLRenderTarget as WebGLRenderTarget12 } from \"three\";\n\n// src/materials/DepthComparisonMaterial.js\nimport { NoBlending as NoBlending11, PerspectiveCamera as PerspectiveCamera3, RGBADepthPacking, ShaderMaterial as ShaderMaterial12, Uniform as Uniform27 } from \"three\";\n\n// src/materials/glsl/depth-comparison.frag\nvar depth_comparison_default = \"#include \\n#include \\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nuniform float cameraNear;uniform float cameraFar;centroid varying float vViewZ;centroid varying vec4 vProjTexCoord;void main(){\\n#include \\nvec2 projTexCoord=(vProjTexCoord.xy/vProjTexCoord.w)*0.5+0.5;projTexCoord=clamp(projTexCoord,0.002,0.998);\\n#if DEPTH_PACKING == 3201\\nfloat fragCoordZ=unpackRGBAToDepth(texture2D(depthBuffer,projTexCoord));\\n#else\\nfloat fragCoordZ=texture2D(depthBuffer,projTexCoord).r;\\n#endif\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(fragCoordZ,cameraNear,cameraFar);\\n#else\\nfloat viewZ=orthographicDepthToViewZ(fragCoordZ,cameraNear,cameraFar);\\n#endif\\nfloat depthTest=(-vViewZ>-viewZ)?1.0:0.0;gl_FragColor.rg=vec2(0.0,depthTest);}\";\n\n// src/materials/glsl/depth-comparison.vert\nvar depth_comparison_default2 = \"#include \\n#include \\n#include \\n#include \\nvarying float vViewZ;varying vec4 vProjTexCoord;void main(){\\n#include \\n#include \\n#include \\n#include \\n#include \\nvViewZ=mvPosition.z;vProjTexCoord=gl_Position;\\n#include \\n}\";\n\n// src/materials/DepthComparisonMaterial.js\nvar DepthComparisonMaterial = class extends ShaderMaterial12 {\n /**\n * Constructs a new depth comparison material.\n *\n * @param {Texture} [depthTexture=null] - A depth texture.\n * @param {PerspectiveCamera} [camera] - A camera.\n */\n constructor(depthTexture = null, camera) {\n super({\n name: \"DepthComparisonMaterial\",\n defines: {\n DEPTH_PACKING: \"0\"\n },\n uniforms: {\n depthBuffer: new Uniform27(null),\n cameraNear: new Uniform27(0.3),\n cameraFar: new Uniform27(1e3)\n },\n blending: NoBlending11,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: depth_comparison_default,\n vertexShader: depth_comparison_default2\n });\n this.depthBuffer = depthTexture;\n this.depthPacking = RGBADepthPacking;\n this.copyCameraSettings(camera);\n }\n /**\n * The depth buffer.\n *\n * @type {Texture}\n */\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n /**\n * The depth packing strategy.\n *\n * @type {DepthPackingStrategies}\n */\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the depth buffer.\n *\n * @deprecated Use depthBuffer and depthPacking instead.\n * @param {Texture} buffer - The depth texture.\n * @param {DepthPackingStrategies} [depthPacking=RGBADepthPacking] - The depth packing strategy.\n */\n setDepthBuffer(buffer, depthPacking = RGBADepthPacking) {\n this.depthBuffer = buffer;\n this.depthPacking = depthPacking;\n }\n /**\n * Copies the settings of the given camera.\n *\n * @deprecated Use copyCameraSettings instead.\n * @param {Camera} camera - A camera.\n */\n adoptCameraSettings(camera) {\n this.copyCameraSettings(camera);\n }\n /**\n * Copies the settings of the given camera.\n *\n * @param {Camera} camera - A camera.\n */\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNear.value = camera.near;\n this.uniforms.cameraFar.value = camera.far;\n if (camera instanceof PerspectiveCamera3) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n};\n\n// src/materials/OutlineMaterial.js\nimport { NoBlending as NoBlending12, ShaderMaterial as ShaderMaterial13, Uniform as Uniform28, Vector2 as Vector214 } from \"three\";\n\n// src/materials/glsl/outline.frag\nvar outline_default = \"uniform lowp sampler2D inputBuffer;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 c0=texture2D(inputBuffer,vUv0).rg;vec2 c1=texture2D(inputBuffer,vUv1).rg;vec2 c2=texture2D(inputBuffer,vUv2).rg;vec2 c3=texture2D(inputBuffer,vUv3).rg;float d0=(c0.x-c1.x)*0.5;float d1=(c2.x-c3.x)*0.5;float d=length(vec2(d0,d1));float a0=min(c0.y,c1.y);float a1=min(c2.y,c3.y);float visibilityFactor=min(a0,a1);gl_FragColor.rg=(1.0-visibilityFactor>0.001)?vec2(d,0.0):vec2(0.0,d);}\";\n\n// src/materials/glsl/outline.vert\nvar outline_default2 = \"uniform vec2 texelSize;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 uv=position.xy*0.5+0.5;vUv0=vec2(uv.x+texelSize.x,uv.y);vUv1=vec2(uv.x-texelSize.x,uv.y);vUv2=vec2(uv.x,uv.y+texelSize.y);vUv3=vec2(uv.x,uv.y-texelSize.y);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/OutlineMaterial.js\nvar OutlineMaterial = class extends ShaderMaterial13 {\n /**\n * Constructs a new outline material.\n *\n * TODO Remove texelSize param.\n * @param {Vector2} [texelSize] - The screen texel size.\n */\n constructor(texelSize = new Vector214()) {\n super({\n name: \"OutlineMaterial\",\n uniforms: {\n inputBuffer: new Uniform28(null),\n texelSize: new Uniform28(new Vector214())\n },\n blending: NoBlending12,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: outline_default,\n vertexShader: outline_default2\n });\n this.uniforms.texelSize.value.set(texelSize.x, texelSize.y);\n this.uniforms.maskTexture = this.uniforms.inputBuffer;\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the input buffer.\n *\n * @deprecated Use inputBuffer instead.\n * @param {Texture} value - The input buffer.\n */\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the texel size.\n *\n * @deprecated Use setSize() instead.\n * @param {Number} x - The texel width.\n * @param {Number} y - The texel height.\n */\n setTexelSize(x, y) {\n this.uniforms.texelSize.value.set(x, y);\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/passes/DepthPass.js\nimport { Color as Color4, MeshDepthMaterial, NearestFilter as NearestFilter3, RGBADepthPacking as RGBADepthPacking2, WebGLRenderTarget as WebGLRenderTarget11 } from \"three\";\nvar DepthPass = class extends Pass {\n /**\n * Constructs a new depth pass.\n *\n * @param {Scene} scene - The scene to render.\n * @param {Camera} camera - The camera to use to render the scene.\n * @param {Object} [options] - The options.\n * @param {WebGLRenderTarget} [options.renderTarget] - A custom render target.\n * @param {Number} [options.resolutionScale=1.0] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n * @param {Number} [options.width=Resolution.AUTO_SIZE] - Deprecated. Use resolutionX instead.\n * @param {Number} [options.height=Resolution.AUTO_SIZE] - Deprecated. Use resolutionY instead.\n */\n constructor(scene, camera, {\n renderTarget,\n resolutionScale = 1,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"DepthPass\");\n this.needsSwap = false;\n this.renderPass = new RenderPass(scene, camera, new MeshDepthMaterial({\n depthPacking: RGBADepthPacking2\n }));\n const renderPass = this.renderPass;\n renderPass.skipShadowMapUpdate = true;\n renderPass.ignoreBackground = true;\n const clearPass = renderPass.clearPass;\n clearPass.overrideClearColor = new Color4(16777215);\n clearPass.overrideClearAlpha = 1;\n this.renderTarget = renderTarget;\n if (this.renderTarget === void 0) {\n this.renderTarget = new WebGLRenderTarget11(1, 1, {\n minFilter: NearestFilter3,\n magFilter: NearestFilter3\n });\n this.renderTarget.texture.name = \"DepthPass.Target\";\n }\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n set mainScene(value) {\n this.renderPass.mainScene = value;\n }\n set mainCamera(value) {\n this.renderPass.mainCamera = value;\n }\n /**\n * The depth texture.\n *\n * @type {Texture}\n */\n get texture() {\n return this.renderTarget.texture;\n }\n /**\n * Returns the depth texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.renderTarget.texture;\n }\n /**\n * Returns the resolution settings.\n *\n * @deprecated Use resolution instead.\n * @return {Resolution} The resolution.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * Returns the current resolution scale.\n *\n * @return {Number} The resolution scale.\n * @deprecated Use resolution instead.\n */\n getResolutionScale() {\n return this.resolution.scale;\n }\n /**\n * Sets the resolution scale.\n *\n * @param {Number} scale - The new resolution scale.\n * @deprecated Use resolution instead.\n */\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n /**\n * Renders the scene depth.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const renderTarget = this.renderToScreen ? null : this.renderTarget;\n this.renderPass.render(renderer, renderTarget);\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n }\n};\n\n// src/effects/glsl/outline.frag\nvar outline_default3 = \"uniform lowp sampler2D edgeTexture;uniform lowp sampler2D maskTexture;uniform vec3 visibleEdgeColor;uniform vec3 hiddenEdgeColor;uniform float pulse;uniform float edgeStrength;\\n#ifdef USE_PATTERN\\nuniform lowp sampler2D patternTexture;varying vec2 vUvPattern;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec2 edge=texture2D(edgeTexture,uv).rg;vec2 mask=texture2D(maskTexture,uv).rg;\\n#ifndef X_RAY\\nedge.y=0.0;\\n#endif\\nedge*=(edgeStrength*mask.x*pulse);vec3 color=edge.x*visibleEdgeColor+edge.y*hiddenEdgeColor;float visibilityFactor=0.0;\\n#ifdef USE_PATTERN\\nvec4 patternColor=texture2D(patternTexture,vUvPattern);\\n#ifdef X_RAY\\nfloat hiddenFactor=0.5;\\n#else\\nfloat hiddenFactor=0.0;\\n#endif\\nvisibilityFactor=(1.0-mask.y>0.0)?1.0:hiddenFactor;visibilityFactor*=(1.0-mask.x)*patternColor.a;color+=visibilityFactor*patternColor.rgb;\\n#endif\\nfloat alpha=max(max(edge.x,edge.y),visibilityFactor);\\n#ifdef ALPHA\\noutputColor=vec4(color,alpha);\\n#else\\noutputColor=vec4(color,max(alpha,inputColor.a));\\n#endif\\n}\";\n\n// src/effects/glsl/outline.vert\nvar outline_default4 = \"uniform float patternScale;varying vec2 vUvPattern;void mainSupport(const in vec2 uv){vUvPattern=uv*vec2(aspect,1.0)*patternScale;}\";\n\n// src/effects/OutlineEffect.js\nvar OutlineEffect = class extends Effect {\n /**\n * Constructs a new outline effect.\n *\n * @param {Scene} scene - The main scene.\n * @param {Camera} camera - The main camera.\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SCREEN] - The blend function. Use `BlendFunction.ALPHA` for dark outlines.\n * @param {Texture} [options.patternTexture=null] - A pattern texture.\n * @param {Number} [options.patternScale=1.0] - The pattern scale.\n * @param {Number} [options.edgeStrength=1.0] - The edge strength.\n * @param {Number} [options.pulseSpeed=0.0] - The pulse speed. A value of zero disables the pulse effect.\n * @param {Number} [options.visibleEdgeColor=0xffffff] - The color of visible edges.\n * @param {Number} [options.hiddenEdgeColor=0x22090a] - The color of hidden edges.\n * @param {KernelSize} [options.kernelSize=KernelSize.VERY_SMALL] - The blur kernel size.\n * @param {Boolean} [options.blur=false] - Whether the outline should be blurred.\n * @param {Boolean} [options.xRay=true] - Whether occluded parts of selected objects should be visible.\n * @param {Number} [options.multisampling=0] - The number of samples used for multisample antialiasing. Requires WebGL 2.\n * @param {Number} [options.resolutionScale=0.5] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n * @param {Number} [options.width=Resolution.AUTO_SIZE] - Deprecated. Use resolutionX instead.\n * @param {Number} [options.height=Resolution.AUTO_SIZE] - Deprecated. Use resolutionY instead.\n */\n constructor(scene, camera, {\n blendFunction = BlendFunction.SCREEN,\n patternTexture = null,\n patternScale = 1,\n edgeStrength = 1,\n pulseSpeed = 0,\n visibleEdgeColor = 16777215,\n hiddenEdgeColor = 2230538,\n kernelSize = KernelSize.VERY_SMALL,\n blur = false,\n xRay = true,\n multisampling = 0,\n resolutionScale = 0.5,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"OutlineEffect\", outline_default3, {\n uniforms: /* @__PURE__ */ new Map([\n [\"maskTexture\", new Uniform29(null)],\n [\"edgeTexture\", new Uniform29(null)],\n [\"edgeStrength\", new Uniform29(edgeStrength)],\n [\"visibleEdgeColor\", new Uniform29(new Color5(visibleEdgeColor))],\n [\"hiddenEdgeColor\", new Uniform29(new Color5(hiddenEdgeColor))],\n [\"pulse\", new Uniform29(1)],\n [\"patternScale\", new Uniform29(patternScale)],\n [\"patternTexture\", new Uniform29(null)]\n ])\n });\n this.blendMode.addEventListener(\"change\", (event) => {\n if (this.blendMode.blendFunction === BlendFunction.ALPHA) {\n this.defines.set(\"ALPHA\", \"1\");\n } else {\n this.defines.delete(\"ALPHA\");\n }\n this.setChanged();\n });\n this.blendMode.blendFunction = blendFunction;\n this.patternTexture = patternTexture;\n this.xRay = xRay;\n this.scene = scene;\n this.camera = camera;\n this.renderTargetMask = new WebGLRenderTarget12(1, 1);\n this.renderTargetMask.samples = multisampling;\n this.renderTargetMask.texture.name = \"Outline.Mask\";\n this.uniforms.get(\"maskTexture\").value = this.renderTargetMask.texture;\n this.renderTargetOutline = new WebGLRenderTarget12(1, 1, { depthBuffer: false });\n this.renderTargetOutline.texture.name = \"Outline.Edges\";\n this.uniforms.get(\"edgeTexture\").value = this.renderTargetOutline.texture;\n this.clearPass = new ClearPass();\n this.clearPass.overrideClearColor = new Color5(0);\n this.clearPass.overrideClearAlpha = 1;\n this.depthPass = new DepthPass(scene, camera);\n this.maskPass = new RenderPass(scene, camera, new DepthComparisonMaterial(this.depthPass.texture, camera));\n const clearPass = this.maskPass.clearPass;\n clearPass.overrideClearColor = new Color5(16777215);\n clearPass.overrideClearAlpha = 1;\n this.blurPass = new KawaseBlurPass({ resolutionScale, resolutionX, resolutionY, kernelSize });\n this.blurPass.enabled = blur;\n const resolution = this.blurPass.resolution;\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.outlinePass = new ShaderPass(new OutlineMaterial());\n const outlineMaterial = this.outlinePass.fullscreenMaterial;\n outlineMaterial.inputBuffer = this.renderTargetMask.texture;\n this.time = 0;\n this.forceUpdate = true;\n this.selection = new Selection();\n this.pulseSpeed = pulseSpeed;\n }\n set mainScene(value) {\n this.scene = value;\n this.depthPass.mainScene = value;\n this.maskPass.mainScene = value;\n }\n set mainCamera(value) {\n this.camera = value;\n this.depthPass.mainCamera = value;\n this.maskPass.mainCamera = value;\n this.maskPass.overrideMaterial.copyCameraSettings(value);\n }\n /**\n * The resolution of this effect.\n *\n * @type {Resolution}\n */\n get resolution() {\n return this.blurPass.resolution;\n }\n /**\n * Returns the resolution.\n *\n * @return {Resizer} The resolution.\n */\n getResolution() {\n return this.blurPass.getResolution();\n }\n /**\n * The amount of MSAA samples.\n *\n * Requires WebGL 2. Set to zero to disable multisampling.\n *\n * @experimental Requires three >= r138.\n * @type {Number}\n */\n get multisampling() {\n return this.renderTargetMask.samples;\n }\n set multisampling(value) {\n this.renderTargetMask.samples = value;\n this.renderTargetMask.dispose();\n }\n /**\n * The pattern scale.\n *\n * @type {Number}\n */\n get patternScale() {\n return this.uniforms.get(\"patternScale\").value;\n }\n set patternScale(value) {\n this.uniforms.get(\"patternScale\").value = value;\n }\n /**\n * The edge strength.\n *\n * @type {Number}\n */\n get edgeStrength() {\n return this.uniforms.get(\"edgeStrength\").value;\n }\n set edgeStrength(value) {\n this.uniforms.get(\"edgeStrength\").value = value;\n }\n /**\n * The visible edge color.\n *\n * @type {Color}\n */\n get visibleEdgeColor() {\n return this.uniforms.get(\"visibleEdgeColor\").value;\n }\n set visibleEdgeColor(value) {\n this.uniforms.get(\"visibleEdgeColor\").value = value;\n }\n /**\n * The hidden edge color.\n *\n * @type {Color}\n */\n get hiddenEdgeColor() {\n return this.uniforms.get(\"hiddenEdgeColor\").value;\n }\n set hiddenEdgeColor(value) {\n this.uniforms.get(\"hiddenEdgeColor\").value = value;\n }\n /**\n * Returns the blur pass.\n *\n * @deprecated Use blurPass instead.\n * @return {KawaseBlurPass} The blur pass.\n */\n getBlurPass() {\n return this.blurPass;\n }\n /**\n * Returns the selection.\n *\n * @deprecated Use selection instead.\n * @return {Selection} The selection.\n */\n getSelection() {\n return this.selection;\n }\n /**\n * Returns the pulse speed.\n *\n * @deprecated Use pulseSpeed instead.\n * @return {Number} The speed.\n */\n getPulseSpeed() {\n return this.pulseSpeed;\n }\n /**\n * Sets the pulse speed. Set to zero to disable.\n *\n * @deprecated Use pulseSpeed instead.\n * @param {Number} value - The speed.\n */\n setPulseSpeed(value) {\n this.pulseSpeed = value;\n }\n /**\n * The current width of the internal render targets.\n *\n * @type {Number}\n * @deprecated Use resolution.width instead.\n */\n get width() {\n return this.resolution.width;\n }\n set width(value) {\n this.resolution.preferredWidth = value;\n }\n /**\n * The current height of the internal render targets.\n *\n * @type {Number}\n * @deprecated Use resolution.height instead.\n */\n get height() {\n return this.resolution.height;\n }\n set height(value) {\n this.resolution.preferredHeight = value;\n }\n /**\n * The selection layer.\n *\n * @type {Number}\n * @deprecated Use selection.layer instead.\n */\n get selectionLayer() {\n return this.selection.layer;\n }\n set selectionLayer(value) {\n this.selection.layer = value;\n }\n /**\n * Indicates whether dithering is enabled.\n *\n * @type {Boolean}\n * @deprecated\n */\n get dithering() {\n return this.blurPass.dithering;\n }\n set dithering(value) {\n this.blurPass.dithering = value;\n }\n /**\n * The blur kernel size.\n *\n * @type {KernelSize}\n * @deprecated Use blurPass.kernelSize instead.\n */\n get kernelSize() {\n return this.blurPass.kernelSize;\n }\n set kernelSize(value) {\n this.blurPass.kernelSize = value;\n }\n /**\n * Indicates whether the outlines should be blurred.\n *\n * @type {Boolean}\n * @deprecated Use blurPass.enabled instead.\n */\n get blur() {\n return this.blurPass.enabled;\n }\n set blur(value) {\n this.blurPass.enabled = value;\n }\n /**\n * Indicates whether X-ray mode is enabled.\n *\n * @type {Boolean}\n */\n get xRay() {\n return this.defines.has(\"X_RAY\");\n }\n set xRay(value) {\n if (this.xRay !== value) {\n if (value) {\n this.defines.set(\"X_RAY\", \"1\");\n } else {\n this.defines.delete(\"X_RAY\");\n }\n this.setChanged();\n }\n }\n /**\n * Indicates whether X-ray mode is enabled.\n *\n * @deprecated Use xRay instead.\n * @return {Boolean} Whether X-ray mode is enabled.\n */\n isXRayEnabled() {\n return this.xRay;\n }\n /**\n * Enables or disables X-ray outlines.\n *\n * @deprecated Use xRay instead.\n * @param {Boolean} value - Whether X-ray should be enabled.\n */\n setXRayEnabled(value) {\n this.xRay = value;\n }\n /**\n * The pattern texture. Set to `null` to disable.\n *\n * @type {Texture}\n */\n get patternTexture() {\n return this.uniforms.get(\"patternTexture\").value;\n }\n set patternTexture(value) {\n if (value !== null) {\n value.wrapS = value.wrapT = RepeatWrapping2;\n this.defines.set(\"USE_PATTERN\", \"1\");\n this.setVertexShader(outline_default4);\n } else {\n this.defines.delete(\"USE_PATTERN\");\n this.setVertexShader(null);\n }\n this.uniforms.get(\"patternTexture\").value = value;\n this.setChanged();\n }\n /**\n * Sets the pattern texture.\n *\n * @deprecated Use patternTexture instead.\n * @param {Texture} value - The new texture.\n */\n setPatternTexture(value) {\n this.patternTexture = value;\n }\n /**\n * Returns the current resolution scale.\n *\n * @return {Number} The resolution scale.\n * @deprecated Use resolution instead.\n */\n getResolutionScale() {\n return this.resolution.scale;\n }\n /**\n * Sets the resolution scale.\n *\n * @param {Number} scale - The new resolution scale.\n * @deprecated Use resolution instead.\n */\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n /**\n * Clears the current selection and selects a list of objects.\n *\n * @param {Object3D[]} objects - The objects that should be outlined. This array will be copied.\n * @return {OutlinePass} This pass.\n * @deprecated Use selection.set() instead.\n */\n setSelection(objects) {\n this.selection.set(objects);\n return this;\n }\n /**\n * Clears the list of selected objects.\n *\n * @return {OutlinePass} This pass.\n * @deprecated Use selection.clear() instead.\n */\n clearSelection() {\n this.selection.clear();\n return this;\n }\n /**\n * Selects an object.\n *\n * @param {Object3D} object - The object that should be outlined.\n * @return {OutlinePass} This pass.\n * @deprecated Use selection.add() instead.\n */\n selectObject(object) {\n this.selection.add(object);\n return this;\n }\n /**\n * Deselects an object.\n *\n * @param {Object3D} object - The object that should no longer be outlined.\n * @return {OutlinePass} This pass.\n * @deprecated Use selection.delete() instead.\n */\n deselectObject(object) {\n this.selection.delete(object);\n return this;\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n const scene = this.scene;\n const camera = this.camera;\n const selection = this.selection;\n const uniforms = this.uniforms;\n const pulse = uniforms.get(\"pulse\");\n const background = scene.background;\n const mask = camera.layers.mask;\n if (this.forceUpdate || selection.size > 0) {\n scene.background = null;\n pulse.value = 1;\n if (this.pulseSpeed > 0) {\n pulse.value = Math.cos(this.time * this.pulseSpeed * 10) * 0.375 + 0.625;\n }\n this.time += deltaTime;\n selection.setVisible(false);\n this.depthPass.render(renderer);\n selection.setVisible(true);\n camera.layers.set(selection.layer);\n this.maskPass.render(renderer, this.renderTargetMask);\n camera.layers.mask = mask;\n scene.background = background;\n this.outlinePass.render(renderer, null, this.renderTargetOutline);\n if (this.blurPass.enabled) {\n this.blurPass.render(renderer, this.renderTargetOutline, this.renderTargetOutline);\n }\n }\n this.forceUpdate = selection.size > 0;\n }\n /**\n * Updates the size of internal render targets.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.blurPass.setSize(width, height);\n this.renderTargetMask.setSize(width, height);\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.depthPass.setSize(w, h);\n this.renderTargetOutline.setSize(w, h);\n this.outlinePass.fullscreenMaterial.setSize(w, h);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n this.blurPass.initialize(renderer, alpha, UnsignedByteType11);\n if (frameBufferType !== void 0) {\n this.depthPass.initialize(renderer, alpha, frameBufferType);\n this.maskPass.initialize(renderer, alpha, frameBufferType);\n this.outlinePass.initialize(renderer, alpha, frameBufferType);\n }\n }\n};\n\n// src/effects/PixelationEffect.js\nimport { Uniform as Uniform30, Vector2 as Vector215, Vector4 as Vector42 } from \"three\";\n\n// src/effects/glsl/pixelation.frag\nvar pixelation_default = \"uniform bool active;uniform vec4 d;void mainUv(inout vec2 uv){if(active){uv=d.xy*(floor(uv*d.zw)+0.5);}}\";\n\n// src/effects/PixelationEffect.js\nvar PixelationEffect = class extends Effect {\n /**\n * Constructs a new pixelation effect.\n *\n * @param {Object} [granularity=30.0] - The pixel granularity.\n */\n constructor(granularity = 30) {\n super(\"PixelationEffect\", pixelation_default, {\n uniforms: /* @__PURE__ */ new Map([\n [\"active\", new Uniform30(false)],\n [\"d\", new Uniform30(new Vector42())]\n ])\n });\n this.resolution = new Vector215();\n this._granularity = 0;\n this.granularity = granularity;\n }\n /**\n * The pixel granularity.\n *\n * A higher value yields coarser visuals.\n *\n * @type {Number}\n */\n get granularity() {\n return this._granularity;\n }\n set granularity(value) {\n let d = Math.floor(value);\n if (d % 2 > 0) {\n d += 1;\n }\n this._granularity = d;\n this.uniforms.get(\"active\").value = d > 0;\n this.setSize(this.resolution.width, this.resolution.height);\n }\n /**\n * Returns the pixel granularity.\n *\n * @deprecated Use granularity instead.\n * @return {Number} The granularity.\n */\n getGranularity() {\n return this.granularity;\n }\n /**\n * Sets the pixel granularity.\n *\n * @deprecated Use granularity instead.\n * @param {Number} value - The new granularity.\n */\n setGranularity(value) {\n this.granularity = value;\n }\n /**\n * Updates the granularity.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.set(width, height);\n const d = this.granularity;\n const x = d / resolution.x;\n const y = d / resolution.y;\n this.uniforms.get(\"d\").value.set(x, y, 1 / x, 1 / y);\n }\n};\n\n// src/effects/RealisticBokehEffect.js\nimport { Uniform as Uniform31, Vector4 as Vector43 } from \"three\";\n\n// src/effects/glsl/realistic-bokeh.frag\nvar realistic_bokeh_default = \"uniform float focus;uniform float focalLength;uniform float fStop;uniform float maxBlur;uniform float luminanceThreshold;uniform float luminanceGain;uniform float bias;uniform float fringe;\\n#ifdef MANUAL_DOF\\nuniform vec4 dof;\\n#endif\\n#ifdef PENTAGON\\nfloat pentagon(const in vec2 coords){const vec4 HS0=vec4(1.0,0.0,0.0,1.0);const vec4 HS1=vec4(0.309016994,0.951056516,0.0,1.0);const vec4 HS2=vec4(-0.809016994,0.587785252,0.0,1.0);const vec4 HS3=vec4(-0.809016994,-0.587785252,0.0,1.0);const vec4 HS4=vec4(0.309016994,-0.951056516,0.0,1.0);const vec4 HS5=vec4(0.0,0.0,1.0,1.0);const vec4 ONE=vec4(1.0);const float P_FEATHER=0.4;const float N_FEATHER=-P_FEATHER;float inOrOut=-4.0;vec4 P=vec4(coords,vec2(RINGS_FLOAT-1.3));vec4 dist=vec4(dot(P,HS0),dot(P,HS1),dot(P,HS2),dot(P,HS3));dist=smoothstep(N_FEATHER,P_FEATHER,dist);inOrOut+=dot(dist,ONE);dist.x=dot(P,HS4);dist.y=HS5.w-abs(P.z);dist=smoothstep(N_FEATHER,P_FEATHER,dist);inOrOut+=dist.x;return clamp(inOrOut,0.0,1.0);}\\n#endif\\nvec3 processTexel(const in vec2 coords,const in float blur){vec2 scale=texelSize*fringe*blur;vec3 c=vec3(texture2D(inputBuffer,coords+vec2(0.0,1.0)*scale).r,texture2D(inputBuffer,coords+vec2(-0.866,-0.5)*scale).g,texture2D(inputBuffer,coords+vec2(0.866,-0.5)*scale).b);float luminance=linearToRelativeLuminance(c);float threshold=max((luminance-luminanceThreshold)*luminanceGain,0.0);return c+mix(vec3(0.0),c,threshold*blur);}float gather(const in float i,const in float j,const in float ringSamples,const in vec2 uv,const in vec2 blurFactor,const in float blur,inout vec3 color){float step=PI2/ringSamples;vec2 wh=vec2(cos(j*step)*i,sin(j*step)*i);\\n#ifdef PENTAGON\\nfloat p=pentagon(wh);\\n#else\\nfloat p=1.0;\\n#endif\\ncolor+=processTexel(wh*blurFactor+uv,blur)*mix(1.0,i/RINGS_FLOAT,bias)*p;return mix(1.0,i/RINGS_FLOAT,bias)*p;}void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(depth,cameraNear,cameraFar);float linearDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearDepth=depth;\\n#endif\\n#ifdef MANUAL_DOF\\nfloat focalPlane=linearDepth-focus;float farDoF=(focalPlane-dof.z)/dof.w;float nearDoF=(-focalPlane-dof.x)/dof.y;float blur=(focalPlane>0.0)?farDoF:nearDoF;\\n#else\\nconst float CIRCLE_OF_CONFUSION=0.03;float focalPlaneMM=focus*1000.0;float depthMM=linearDepth*1000.0;float focalPlane=(depthMM*focalLength)/(depthMM-focalLength);float farDoF=(focalPlaneMM*focalLength)/(focalPlaneMM-focalLength);float nearDoF=(focalPlaneMM-focalLength)/(focalPlaneMM*fStop*CIRCLE_OF_CONFUSION);float blur=abs(focalPlane-farDoF)*nearDoF;\\n#endif\\nconst int MAX_RING_SAMPLES=RINGS_INT*SAMPLES_INT;blur=clamp(blur,0.0,1.0);vec3 color=inputColor.rgb;if(blur>=0.05){vec2 blurFactor=blur*maxBlur*texelSize;float s=1.0;int ringSamples;for(int i=1;i<=RINGS_INT;i++){ringSamples=i*SAMPLES_INT;for(int j=0;j=ringSamples){break;}s+=gather(float(i),float(j),float(ringSamples),uv,blurFactor,blur,color);}}color/=s;}\\n#ifdef SHOW_FOCUS\\nfloat edge=0.002*linearDepth;float m=clamp(smoothstep(0.0,edge,blur),0.0,1.0);float e=clamp(smoothstep(1.0-edge,1.0,blur),0.0,1.0);color=mix(color,vec3(1.0,0.5,0.0),(1.0-m)*0.6);color=mix(color,vec3(0.0,0.5,1.0),((1.0-e)-(1.0-m))*0.2);\\n#endif\\noutputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/RealisticBokehEffect.js\nvar RealisticBokehEffect = class extends Effect {\n /**\n * Constructs a new bokeh effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction] - The blend function of this effect.\n * @param {Number} [options.focus=1.0] - The focus distance in world units.\n * @param {Number} [options.focalLength=24.0] - The focal length of the main camera.\n * @param {Number} [options.fStop=0.9] - The ratio of the lens focal length to the diameter of the entrance pupil (aperture).\n * @param {Number} [options.luminanceThreshold=0.5] - A luminance threshold.\n * @param {Number} [options.luminanceGain=2.0] - A luminance gain factor.\n * @param {Number} [options.bias=0.5] - A blur bias.\n * @param {Number} [options.fringe=0.7] - A blur offset.\n * @param {Number} [options.maxBlur=1.0] - The maximum blur strength.\n * @param {Boolean} [options.rings=3] - The number of blur iterations.\n * @param {Boolean} [options.samples=2] - The amount of samples taken per ring.\n * @param {Boolean} [options.showFocus=false] - Whether the focal point should be highlighted. Useful for debugging.\n * @param {Boolean} [options.manualDoF=false] - Enables manual control over the depth of field.\n * @param {Boolean} [options.pentagon=false] - Enables pentagonal blur shapes. Requires a high number of rings and samples.\n */\n constructor({\n blendFunction,\n focus = 1,\n focalLength = 24,\n fStop = 0.9,\n luminanceThreshold = 0.5,\n luminanceGain = 2,\n bias = 0.5,\n fringe = 0.7,\n maxBlur = 1,\n rings = 3,\n samples = 2,\n showFocus = false,\n manualDoF = false,\n pentagon = false\n } = {}) {\n super(\"RealisticBokehEffect\", realistic_bokeh_default, {\n blendFunction,\n attributes: EffectAttribute.CONVOLUTION | EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"focus\", new Uniform31(focus)],\n [\"focalLength\", new Uniform31(focalLength)],\n [\"fStop\", new Uniform31(fStop)],\n [\"luminanceThreshold\", new Uniform31(luminanceThreshold)],\n [\"luminanceGain\", new Uniform31(luminanceGain)],\n [\"bias\", new Uniform31(bias)],\n [\"fringe\", new Uniform31(fringe)],\n [\"maxBlur\", new Uniform31(maxBlur)],\n [\"dof\", new Uniform31(null)]\n ])\n });\n this.rings = rings;\n this.samples = samples;\n this.showFocus = showFocus;\n this.manualDoF = manualDoF;\n this.pentagon = pentagon;\n }\n /**\n * The amount of blur iterations.\n *\n * @type {Number}\n */\n get rings() {\n return Number.parseInt(this.defines.get(\"RINGS_INT\"));\n }\n set rings(value) {\n const r = Math.floor(value);\n this.defines.set(\"RINGS_INT\", r.toFixed(0));\n this.defines.set(\"RINGS_FLOAT\", r.toFixed(1));\n this.setChanged();\n }\n /**\n * The amount of blur samples per ring.\n *\n * @type {Number}\n */\n get samples() {\n return Number.parseInt(this.defines.get(\"SAMPLES_INT\"));\n }\n set samples(value) {\n const s = Math.floor(value);\n this.defines.set(\"SAMPLES_INT\", s.toFixed(0));\n this.defines.set(\"SAMPLES_FLOAT\", s.toFixed(1));\n this.setChanged();\n }\n /**\n * Indicates whether the focal point will be highlighted.\n *\n * @type {Boolean}\n */\n get showFocus() {\n return this.defines.has(\"SHOW_FOCUS\");\n }\n set showFocus(value) {\n if (this.showFocus !== value) {\n if (value) {\n this.defines.set(\"SHOW_FOCUS\", \"1\");\n } else {\n this.defines.delete(\"SHOW_FOCUS\");\n }\n this.setChanged();\n }\n }\n /**\n * Indicates whether the Depth of Field should be calculated manually.\n *\n * If enabled, the Depth of Field can be adjusted via the `dof` uniform.\n *\n * @type {Boolean}\n */\n get manualDoF() {\n return this.defines.has(\"MANUAL_DOF\");\n }\n set manualDoF(value) {\n if (this.manualDoF !== value) {\n if (value) {\n this.defines.set(\"MANUAL_DOF\", \"1\");\n this.uniforms.get(\"dof\").value = new Vector43(0.2, 1, 0.2, 2);\n } else {\n this.defines.delete(\"MANUAL_DOF\");\n this.uniforms.get(\"dof\").value = null;\n }\n this.setChanged();\n }\n }\n /**\n * Indicates whether the blur shape should be pentagonal.\n *\n * @type {Boolean}\n */\n get pentagon() {\n return this.defines.has(\"PENTAGON\");\n }\n set pentagon(value) {\n if (this.pentagon !== value) {\n if (value) {\n this.defines.set(\"PENTAGON\", \"1\");\n } else {\n this.defines.delete(\"PENTAGON\");\n }\n this.setChanged();\n }\n }\n};\n\n// src/effects/ScanlineEffect.js\nimport { Uniform as Uniform32, Vector2 as Vector216 } from \"three\";\n\n// src/effects/glsl/scanlines.frag\nvar scanlines_default = \"uniform float count;\\n#ifdef SCROLL\\nuniform float scrollSpeed;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){float y=uv.y;\\n#ifdef SCROLL\\ny+=time*scrollSpeed;\\n#endif\\nvec2 sl=vec2(sin(y*count),cos(y*count));outputColor=vec4(sl.xyx,inputColor.a);}\";\n\n// src/effects/ScanlineEffect.js\nvar ScanlineEffect = class extends Effect {\n /**\n * Constructs a new scanline effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.OVERLAY] - The blend function of this effect.\n * @param {Number} [options.density=1.25] - The scanline density.\n * @param {Number} [options.scrollSpeed=0.0] - The scanline scroll speed.\n */\n constructor({ blendFunction = BlendFunction.OVERLAY, density = 1.25, scrollSpeed = 0 } = {}) {\n super(\"ScanlineEffect\", scanlines_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"count\", new Uniform32(0)],\n [\"scrollSpeed\", new Uniform32(0)]\n ])\n });\n this.resolution = new Vector216();\n this.d = density;\n this.scrollSpeed = scrollSpeed;\n }\n /**\n * The scanline density.\n *\n * @type {Number}\n */\n get density() {\n return this.d;\n }\n set density(value) {\n this.d = value;\n this.setSize(this.resolution.width, this.resolution.height);\n }\n /**\n * Returns the current scanline density.\n *\n * @deprecated Use density instead.\n * @return {Number} The scanline density.\n */\n getDensity() {\n return this.density;\n }\n /**\n * Sets the scanline density.\n *\n * @deprecated Use density instead.\n * @param {Number} value - The new scanline density.\n */\n setDensity(value) {\n this.density = value;\n }\n /**\n * The scanline scroll speed. Default is 0 (disabled).\n *\n * @type {Number}\n */\n get scrollSpeed() {\n return this.uniforms.get(\"scrollSpeed\").value;\n }\n set scrollSpeed(value) {\n this.uniforms.get(\"scrollSpeed\").value = value;\n if (value === 0) {\n if (this.defines.delete(\"SCROLL\")) {\n this.setChanged();\n }\n } else if (!this.defines.has(\"SCROLL\")) {\n this.defines.set(\"SCROLL\", \"1\");\n this.setChanged();\n }\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.resolution.set(width, height);\n this.uniforms.get(\"count\").value = Math.round(height * this.density);\n }\n};\n\n// src/effects/ShockWaveEffect.js\nimport { Uniform as Uniform33, Vector2 as Vector217, Vector3 as Vector35 } from \"three\";\n\n// src/effects/glsl/shock-wave.frag\nvar shock_wave_default = \"uniform bool active;uniform vec2 center;uniform float waveSize;uniform float radius;uniform float maxRadius;uniform float amplitude;varying float vSize;void mainUv(inout vec2 uv){if(active){vec2 aspectCorrection=vec2(aspect,1.0);vec2 difference=uv*aspectCorrection-center*aspectCorrection;float distance=sqrt(dot(difference,difference))*vSize;if(distance>radius){if(distance HALF_PI;\n if (uActive.value) {\n uniforms.get(\"cameraDistance\").value = camera.position.distanceTo(position);\n v2.copy(position).project(camera);\n this.screenPosition.set((v2.x + 1) * 0.5, (v2.y + 1) * 0.5);\n }\n this.time += delta * this.speed;\n const radius = this.time - waveSize;\n uniforms.get(\"radius\").value = radius;\n if (radius >= (uniforms.get(\"maxRadius\").value + waveSize) * 2) {\n this.active = false;\n uActive.value = false;\n }\n }\n }\n};\n\n// src/effects/SelectiveBloomEffect.js\nimport {\n BasicDepthPacking as BasicDepthPacking7,\n Color as Color6,\n NotEqualDepth as NotEqualDepth2,\n EqualDepth as EqualDepth2,\n RGBADepthPacking as RGBADepthPacking3,\n SRGBColorSpace as SRGBColorSpace11,\n WebGLRenderTarget as WebGLRenderTarget13\n} from \"three\";\nvar SelectiveBloomEffect = class extends BloomEffect {\n /**\n * Constructs a new selective bloom effect.\n *\n * @param {Scene} scene - The main scene.\n * @param {Camera} camera - The main camera.\n * @param {Object} [options] - The options. See {@link BloomEffect} for details.\n */\n constructor(scene, camera, options) {\n super(options);\n this.setAttributes(this.getAttributes() | EffectAttribute.DEPTH);\n this.camera = camera;\n this.depthPass = new DepthPass(scene, camera);\n this.clearPass = new ClearPass(true, false, false);\n this.clearPass.overrideClearColor = new Color6(0);\n this.depthMaskPass = new ShaderPass(new DepthMaskMaterial());\n const depthMaskMaterial = this.depthMaskMaterial;\n depthMaskMaterial.copyCameraSettings(camera);\n depthMaskMaterial.depthBuffer1 = this.depthPass.texture;\n depthMaskMaterial.depthPacking1 = RGBADepthPacking3;\n depthMaskMaterial.depthMode = EqualDepth2;\n this.renderTargetMasked = new WebGLRenderTarget13(1, 1, { depthBuffer: false });\n this.renderTargetMasked.texture.name = \"Bloom.Masked\";\n this.selection = new Selection();\n this._inverted = false;\n this._ignoreBackground = false;\n }\n set mainScene(value) {\n this.depthPass.mainScene = value;\n }\n set mainCamera(value) {\n this.camera = value;\n this.depthPass.mainCamera = value;\n this.depthMaskMaterial.copyCameraSettings(value);\n }\n /**\n * Returns the selection.\n *\n * @deprecated Use selection instead.\n * @return {Selection} The selection.\n */\n getSelection() {\n return this.selection;\n }\n /**\n * The depth mask material.\n *\n * @type {DepthMaskMaterial}\n * @private\n */\n get depthMaskMaterial() {\n return this.depthMaskPass.fullscreenMaterial;\n }\n /**\n * Indicates whether the selection should be considered inverted.\n *\n * @type {Boolean}\n */\n get inverted() {\n return this._inverted;\n }\n set inverted(value) {\n this._inverted = value;\n this.depthMaskMaterial.depthMode = value ? NotEqualDepth2 : EqualDepth2;\n }\n /**\n * Indicates whether the mask is inverted.\n *\n * @deprecated Use inverted instead.\n * @return {Boolean} Whether the mask is inverted.\n */\n isInverted() {\n return this.inverted;\n }\n /**\n * Enables or disable mask inversion.\n *\n * @deprecated Use inverted instead.\n * @param {Boolean} value - Whether the mask should be inverted.\n */\n setInverted(value) {\n this.inverted = value;\n }\n /**\n * Indicates whether the background colors will be ignored.\n *\n * @type {Boolean}\n */\n get ignoreBackground() {\n return this._ignoreBackground;\n }\n set ignoreBackground(value) {\n this._ignoreBackground = value;\n this.depthMaskMaterial.maxDepthStrategy = value ? DepthTestStrategy.DISCARD_MAX_DEPTH : DepthTestStrategy.KEEP_MAX_DEPTH;\n }\n /**\n * Indicates whether the background is disabled.\n *\n * @deprecated Use ignoreBackground instead.\n * @return {Boolean} Whether the background is disabled.\n */\n isBackgroundDisabled() {\n return this.ignoreBackground;\n }\n /**\n * Enables or disables the background.\n *\n * @deprecated Use ignoreBackground instead.\n * @param {Boolean} value - Whether the background should be disabled.\n */\n setBackgroundDisabled(value) {\n this.ignoreBackground = value;\n }\n /**\n * Sets the depth texture.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking7) {\n this.depthMaskMaterial.depthBuffer0 = depthTexture;\n this.depthMaskMaterial.depthPacking0 = depthPacking;\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n const camera = this.camera;\n const selection = this.selection;\n const inverted = this.inverted;\n let renderTarget = inputBuffer;\n if (this.ignoreBackground || !inverted || selection.size > 0) {\n const mask = camera.layers.mask;\n camera.layers.set(selection.layer);\n this.depthPass.render(renderer);\n camera.layers.mask = mask;\n renderTarget = this.renderTargetMasked;\n this.clearPass.render(renderer, renderTarget);\n this.depthMaskPass.render(renderer, inputBuffer, renderTarget);\n }\n super.update(renderer, renderTarget, deltaTime);\n }\n /**\n * Updates the size of internal render targets.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n super.setSize(width, height);\n this.renderTargetMasked.setSize(width, height);\n this.depthPass.setSize(width, height);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n super.initialize(renderer, alpha, frameBufferType);\n this.clearPass.initialize(renderer, alpha, frameBufferType);\n this.depthPass.initialize(renderer, alpha, frameBufferType);\n this.depthMaskPass.initialize(renderer, alpha, frameBufferType);\n if (renderer !== null && renderer.capabilities.logarithmicDepthBuffer) {\n this.depthMaskPass.fullscreenMaterial.defines.LOG_DEPTH = \"1\";\n }\n if (frameBufferType !== void 0) {\n this.renderTargetMasked.texture.type = frameBufferType;\n if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace11) {\n this.renderTargetMasked.texture.colorSpace = SRGBColorSpace11;\n }\n }\n }\n};\n\n// src/effects/SepiaEffect.js\nimport { Uniform as Uniform34, Vector3 as Vector36 } from \"three\";\n\n// src/effects/glsl/sepia.frag\nvar sepia_default = \"uniform vec3 weightsR;uniform vec3 weightsG;uniform vec3 weightsB;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=vec3(dot(inputColor.rgb,weightsR),dot(inputColor.rgb,weightsG),dot(inputColor.rgb,weightsB));outputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/SepiaEffect.js\nvar SepiaEffect = class extends Effect {\n /**\n * Constructs a new sepia effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction] - The blend function of this effect.\n * @param {Number} [options.intensity=1.0] - The intensity of the effect.\n */\n constructor({ blendFunction, intensity = 1 } = {}) {\n super(\"SepiaEffect\", sepia_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"weightsR\", new Uniform34(new Vector36(0.393, 0.769, 0.189))],\n [\"weightsG\", new Uniform34(new Vector36(0.349, 0.686, 0.168))],\n [\"weightsB\", new Uniform34(new Vector36(0.272, 0.534, 0.131))]\n ])\n });\n }\n /**\n * The intensity.\n *\n * @deprecated Use blendMode.opacity instead.\n * @type {Number}\n */\n get intensity() {\n return this.blendMode.opacity.value;\n }\n set intensity(value) {\n this.blendMode.opacity.value = value;\n }\n /**\n * Returns the current sepia intensity.\n *\n * @deprecated Use blendMode.opacity instead.\n * @return {Number} The intensity.\n */\n getIntensity() {\n return this.intensity;\n }\n /**\n * Sets the sepia intensity.\n *\n * @deprecated Use blendMode.opacity instead.\n * @param {Number} value - The intensity.\n */\n setIntensity(value) {\n this.intensity = value;\n }\n /**\n * The weights for the red channel. Default is `(0.393, 0.769, 0.189)`.\n *\n * @type {Vector3}\n */\n get weightsR() {\n return this.uniforms.get(\"weightsR\").value;\n }\n /**\n * The weights for the green channel. Default is `(0.349, 0.686, 0.168)`.\n *\n * @type {Vector3}\n */\n get weightsG() {\n return this.uniforms.get(\"weightsG\").value;\n }\n /**\n * The weights for the blue channel. Default is `(0.272, 0.534, 0.131)`.\n *\n * @type {Vector3}\n */\n get weightsB() {\n return this.uniforms.get(\"weightsB\").value;\n }\n};\n\n// src/effects/SMAAEffect.js\nimport {\n BasicDepthPacking as BasicDepthPacking9,\n Color as Color7,\n LinearFilter as LinearFilter5,\n LoadingManager,\n NearestFilter as NearestFilter4,\n Texture as Texture3,\n Uniform as Uniform37,\n WebGLRenderTarget as WebGLRenderTarget14\n} from \"three\";\n\n// src/materials/EdgeDetectionMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking8, NoBlending as NoBlending13, REVISION as REVISION2, ShaderMaterial as ShaderMaterial14, Uniform as Uniform35, Vector2 as Vector218 } from \"three\";\n\n// src/materials/glsl/edge-detection.frag\nvar edge_detection_default = \"varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;\\n#if EDGE_DETECTION_MODE != 0\\nvarying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;\\n#endif\\n#if EDGE_DETECTION_MODE == 1\\n#include \\n#endif\\n#if EDGE_DETECTION_MODE == 0 || PREDICATION_MODE == 1\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}vec3 gatherNeighbors(){float p=readDepth(vUv);float pLeft=readDepth(vUv0);float pTop=readDepth(vUv1);return vec3(p,pLeft,pTop);}\\n#elif PREDICATION_MODE == 2\\nuniform sampler2D predicationBuffer;vec3 gatherNeighbors(){float p=texture2D(predicationBuffer,vUv).r;float pLeft=texture2D(predicationBuffer,vUv0).r;float pTop=texture2D(predicationBuffer,vUv1).r;return vec3(p,pLeft,pTop);}\\n#endif\\n#if PREDICATION_MODE != 0\\nvec2 calculatePredicatedThreshold(){vec3 neighbours=gatherNeighbors();vec2 delta=abs(neighbours.xx-neighbours.yz);vec2 edges=step(PREDICATION_THRESHOLD,delta);return PREDICATION_SCALE*EDGE_THRESHOLD*(1.0-PREDICATION_STRENGTH*edges);}\\n#endif\\n#if EDGE_DETECTION_MODE != 0\\nuniform sampler2D inputBuffer;\\n#endif\\nvoid main(){\\n#if EDGE_DETECTION_MODE == 0\\nconst vec2 threshold=vec2(DEPTH_THRESHOLD);\\n#elif PREDICATION_MODE != 0\\nvec2 threshold=calculatePredicatedThreshold();\\n#else\\nconst vec2 threshold=vec2(EDGE_THRESHOLD);\\n#endif\\n#if EDGE_DETECTION_MODE == 0\\nvec3 neighbors=gatherNeighbors();vec2 delta=abs(neighbors.xx-vec2(neighbors.y,neighbors.z));vec2 edges=step(threshold,delta);if(dot(edges,vec2(1.0))==0.0){discard;}gl_FragColor=vec4(edges,0.0,1.0);\\n#elif EDGE_DETECTION_MODE == 1\\nfloat l=luminance(texture2D(inputBuffer,vUv).rgb);float lLeft=luminance(texture2D(inputBuffer,vUv0).rgb);float lTop=luminance(texture2D(inputBuffer,vUv1).rgb);vec4 delta;delta.xy=abs(l-vec2(lLeft,lTop));vec2 edges=step(threshold,delta.xy);if(dot(edges,vec2(1.0))==0.0){discard;}float lRight=luminance(texture2D(inputBuffer,vUv2).rgb);float lBottom=luminance(texture2D(inputBuffer,vUv3).rgb);delta.zw=abs(l-vec2(lRight,lBottom));vec2 maxDelta=max(delta.xy,delta.zw);float lLeftLeft=luminance(texture2D(inputBuffer,vUv4).rgb);float lTopTop=luminance(texture2D(inputBuffer,vUv5).rgb);delta.zw=abs(vec2(lLeft,lTop)-vec2(lLeftLeft,lTopTop));maxDelta=max(maxDelta.xy,delta.zw);float finalDelta=max(maxDelta.x,maxDelta.y);edges.xy*=step(finalDelta,LOCAL_CONTRAST_ADAPTATION_FACTOR*delta.xy);gl_FragColor=vec4(edges,0.0,1.0);\\n#elif EDGE_DETECTION_MODE == 2\\nvec4 delta;vec3 c=texture2D(inputBuffer,vUv).rgb;vec3 cLeft=texture2D(inputBuffer,vUv0).rgb;vec3 t=abs(c-cLeft);delta.x=max(max(t.r,t.g),t.b);vec3 cTop=texture2D(inputBuffer,vUv1).rgb;t=abs(c-cTop);delta.y=max(max(t.r,t.g),t.b);vec2 edges=step(threshold,delta.xy);if(dot(edges,vec2(1.0))==0.0){discard;}vec3 cRight=texture2D(inputBuffer,vUv2).rgb;t=abs(c-cRight);delta.z=max(max(t.r,t.g),t.b);vec3 cBottom=texture2D(inputBuffer,vUv3).rgb;t=abs(c-cBottom);delta.w=max(max(t.r,t.g),t.b);vec2 maxDelta=max(delta.xy,delta.zw);vec3 cLeftLeft=texture2D(inputBuffer,vUv4).rgb;t=abs(c-cLeftLeft);delta.z=max(max(t.r,t.g),t.b);vec3 cTopTop=texture2D(inputBuffer,vUv5).rgb;t=abs(c-cTopTop);delta.w=max(max(t.r,t.g),t.b);maxDelta=max(maxDelta.xy,delta.zw);float finalDelta=max(maxDelta.x,maxDelta.y);edges*=step(finalDelta,LOCAL_CONTRAST_ADAPTATION_FACTOR*delta.xy);gl_FragColor=vec4(edges,0.0,1.0);\\n#endif\\n}\";\n\n// src/materials/glsl/edge-detection.vert\nvar edge_detection_default2 = \"uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;\\n#if EDGE_DETECTION_MODE != 0\\nvarying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;\\n#endif\\nvoid main(){vUv=position.xy*0.5+0.5;vUv0=vUv+texelSize*vec2(-1.0,0.0);vUv1=vUv+texelSize*vec2(0.0,-1.0);\\n#if EDGE_DETECTION_MODE != 0\\nvUv2=vUv+texelSize*vec2(1.0,0.0);vUv3=vUv+texelSize*vec2(0.0,1.0);vUv4=vUv+texelSize*vec2(-2.0,0.0);vUv5=vUv+texelSize*vec2(0.0,-2.0);\\n#endif\\ngl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/EdgeDetectionMaterial.js\nvar EdgeDetectionMaterial = class extends ShaderMaterial14 {\n /**\n * Constructs a new edge detection material.\n *\n * TODO Remove parameters.\n * @param {Vector2} [texelSize] - The screen texel size.\n * @param {EdgeDetectionMode} [mode=EdgeDetectionMode.COLOR] - The edge detection mode.\n */\n constructor(texelSize = new Vector218(), mode = EdgeDetectionMode.COLOR) {\n super({\n name: \"EdgeDetectionMaterial\",\n defines: {\n THREE_REVISION: REVISION2.replace(/\\D+/g, \"\"),\n LOCAL_CONTRAST_ADAPTATION_FACTOR: \"2.0\",\n EDGE_THRESHOLD: \"0.1\",\n DEPTH_THRESHOLD: \"0.01\",\n PREDICATION_MODE: \"0\",\n PREDICATION_THRESHOLD: \"0.01\",\n PREDICATION_SCALE: \"2.0\",\n PREDICATION_STRENGTH: \"1.0\",\n DEPTH_PACKING: \"0\"\n },\n uniforms: {\n inputBuffer: new Uniform35(null),\n depthBuffer: new Uniform35(null),\n predicationBuffer: new Uniform35(null),\n texelSize: new Uniform35(texelSize)\n },\n blending: NoBlending13,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: edge_detection_default,\n vertexShader: edge_detection_default2\n });\n this.edgeDetectionMode = mode;\n }\n /**\n * The depth buffer.\n *\n * @type {Texture}\n */\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n /**\n * The depth packing strategy.\n *\n * @type {DepthPackingStrategies}\n */\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the depth buffer.\n *\n * @deprecated Use depthBuffer and depthPacking instead.\n * @param {Texture} buffer - The depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing strategy.\n */\n setDepthBuffer(buffer, depthPacking = BasicDepthPacking8) {\n this.depthBuffer = buffer;\n this.depthPacking = depthPacking;\n }\n /**\n * The edge detection mode.\n *\n * @type {EdgeDetectionMode}\n */\n get edgeDetectionMode() {\n return Number(this.defines.EDGE_DETECTION_MODE);\n }\n set edgeDetectionMode(value) {\n this.defines.EDGE_DETECTION_MODE = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Returns the edge detection mode.\n *\n * @deprecated Use edgeDetectionMode instead.\n * @return {EdgeDetectionMode} The mode.\n */\n getEdgeDetectionMode() {\n return this.edgeDetectionMode;\n }\n /**\n * Sets the edge detection mode.\n *\n * @deprecated Use edgeDetectionMode instead.\n * @param {EdgeDetectionMode} value - The edge detection mode.\n */\n setEdgeDetectionMode(value) {\n this.edgeDetectionMode = value;\n }\n /**\n * The local contrast adaptation factor. Has no effect if the edge detection mode is set to DEPTH. Default is 2.0.\n *\n * If a neighbor edge has _factor_ times bigger contrast than the current edge, the edge will be discarded.\n *\n * This allows to eliminate spurious crossing edges and is based on the fact that if there is too much contrast in a\n * direction, the perceptual contrast in the other neighbors will be hidden.\n *\n * @type {Number}\n */\n get localContrastAdaptationFactor() {\n return Number(this.defines.LOCAL_CONTRAST_ADAPTATION_FACTOR);\n }\n set localContrastAdaptationFactor(value) {\n this.defines.LOCAL_CONTRAST_ADAPTATION_FACTOR = value.toFixed(\"6\");\n this.needsUpdate = true;\n }\n /**\n * Returns the local contrast adaptation factor.\n *\n * @deprecated Use localContrastAdaptationFactor instead.\n * @return {Number} The factor.\n */\n getLocalContrastAdaptationFactor() {\n return this.localContrastAdaptationFactor;\n }\n /**\n * Sets the local contrast adaptation factor. Has no effect if the edge detection mode is set to DEPTH.\n *\n * @deprecated Use localContrastAdaptationFactor instead.\n * @param {Number} value - The local contrast adaptation factor. Default is 2.0.\n */\n setLocalContrastAdaptationFactor(value) {\n this.localContrastAdaptationFactor = value;\n }\n /**\n * The edge detection threshold. Range: [0.0, 0.5].\n *\n * A lower value results in more edges being detected at the expense of performance.\n *\n * For luma- and chroma-based edge detection, 0.1 is a reasonable value and allows to catch most visible edges. 0.05\n * is a rather overkill value that allows to catch 'em all. Darker scenes may require an even lower threshold.\n *\n * If depth-based edge detection is used, the threshold will depend on the scene depth.\n *\n * @type {Number}\n */\n get edgeDetectionThreshold() {\n return Number(this.defines.EDGE_THRESHOLD);\n }\n set edgeDetectionThreshold(value) {\n this.defines.EDGE_THRESHOLD = value.toFixed(\"6\");\n this.defines.DEPTH_THRESHOLD = (value * 0.1).toFixed(\"6\");\n this.needsUpdate = true;\n }\n /**\n * Returns the edge detection threshold.\n *\n * @deprecated Use edgeDetectionThreshold instead.\n * @return {Number} The threshold.\n */\n getEdgeDetectionThreshold() {\n return this.edgeDetectionThreshold;\n }\n /**\n * Sets the edge detection threshold.\n *\n * @deprecated Use edgeDetectionThreshold instead.\n * @param {Number} value - The edge detection threshold. Range: [0.0, 0.5].\n */\n setEdgeDetectionThreshold(value) {\n this.edgeDetectionThreshold = value;\n }\n /**\n * The predication mode.\n *\n * Predicated thresholding allows to better preserve texture details and to improve edge detection using an additional\n * buffer such as a light accumulation or depth buffer.\n *\n * @type {PredicationMode}\n */\n get predicationMode() {\n return Number(this.defines.PREDICATION_MODE);\n }\n set predicationMode(value) {\n this.defines.PREDICATION_MODE = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Returns the predication mode.\n *\n * @deprecated Use predicationMode instead.\n * @return {PredicationMode} The mode.\n */\n getPredicationMode() {\n return this.predicationMode;\n }\n /**\n * Sets the predication mode.\n *\n * @deprecated Use predicationMode instead.\n * @param {PredicationMode} value - The predication mode.\n */\n setPredicationMode(value) {\n this.predicationMode = value;\n }\n /**\n * The predication buffer.\n *\n * @type {Texture}\n */\n set predicationBuffer(value) {\n this.uniforms.predicationBuffer.value = value;\n }\n /**\n * Sets a custom predication buffer.\n *\n * @deprecated Use predicationBuffer instead.\n * @param {Texture} value - The predication buffer.\n */\n setPredicationBuffer(value) {\n this.uniforms.predicationBuffer.value = value;\n }\n /**\n * The predication threshold.\n *\n * @type {Number}\n */\n get predicationThreshold() {\n return Number(this.defines.PREDICATION_THRESHOLD);\n }\n set predicationThreshold(value) {\n this.defines.PREDICATION_THRESHOLD = value.toFixed(\"6\");\n this.needsUpdate = true;\n }\n /**\n * Returns the predication threshold.\n *\n * @deprecated Use predicationThreshold instead.\n * @return {Number} The threshold.\n */\n getPredicationThreshold() {\n return this.predicationThreshold;\n }\n /**\n * Sets the predication threshold.\n *\n * @deprecated Use predicationThreshold instead.\n * @param {Number} value - The threshold.\n */\n setPredicationThreshold(value) {\n this.predicationThreshold = value;\n }\n /**\n * The predication scale. Range: [1.0, 5.0].\n *\n * Determines how much the edge detection threshold should be scaled when using predication.\n *\n * @type {Boolean|Texture|Number}\n */\n get predicationScale() {\n return Number(this.defines.PREDICATION_SCALE);\n }\n set predicationScale(value) {\n this.defines.PREDICATION_SCALE = value.toFixed(\"6\");\n this.needsUpdate = true;\n }\n /**\n * Returns the predication scale.\n *\n * @deprecated Use predicationScale instead.\n * @return {Number} The scale.\n */\n getPredicationScale() {\n return this.predicationScale;\n }\n /**\n * Sets the predication scale.\n *\n * @deprecated Use predicationScale instead.\n * @param {Number} value - The scale. Range: [1.0, 5.0].\n */\n setPredicationScale(value) {\n this.predicationScale = value;\n }\n /**\n * The predication strength. Range: [0.0, 1.0].\n *\n * Determines how much the edge detection threshold should be decreased locally when using predication.\n *\n * @type {Number}\n */\n get predicationStrength() {\n return Number(this.defines.PREDICATION_STRENGTH);\n }\n set predicationStrength(value) {\n this.defines.PREDICATION_STRENGTH = value.toFixed(\"6\");\n this.needsUpdate = true;\n }\n /**\n * Returns the predication strength.\n *\n * @deprecated Use predicationStrength instead.\n * @return {Number} The strength.\n */\n getPredicationStrength() {\n return this.predicationStrength;\n }\n /**\n * Sets the predication strength.\n *\n * @deprecated Use predicationStrength instead.\n * @param {Number} value - The strength. Range: [0.0, 1.0].\n */\n setPredicationStrength(value) {\n this.predicationStrength = value;\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/SMAAWeightsMaterial.js\nimport { NoBlending as NoBlending14, ShaderMaterial as ShaderMaterial15, Uniform as Uniform36, Vector2 as Vector219 } from \"three\";\n\n// src/materials/glsl/smaa-weights.frag\nvar smaa_weights_default = \"#define sampleLevelZeroOffset(t, coord, offset) texture2D(t, coord + offset * texelSize)\\n#if __VERSION__ < 300\\n#define round(v) floor(v + 0.5)\\n#endif\\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform lowp sampler2D areaTexture;uniform lowp sampler2D searchTexture;uniform vec2 texelSize;uniform vec2 resolution;varying vec2 vUv;varying vec4 vOffset[3];varying vec2 vPixCoord;void movec(const in bvec2 c,inout vec2 variable,const in vec2 value){if(c.x){variable.x=value.x;}if(c.y){variable.y=value.y;}}void movec(const in bvec4 c,inout vec4 variable,const in vec4 value){movec(c.xy,variable.xy,value.xy);movec(c.zw,variable.zw,value.zw);}vec2 decodeDiagBilinearAccess(in vec2 e){e.r=e.r*abs(5.0*e.r-5.0*0.75);return round(e);}vec4 decodeDiagBilinearAccess(in vec4 e){e.rb=e.rb*abs(5.0*e.rb-5.0*0.75);return round(e);}vec2 searchDiag1(const in vec2 texCoord,const in vec2 dir,out vec2 e){vec4 coord=vec4(texCoord,-1.0,1.0);vec3 t=vec3(texelSize,1.0);for(int i=0;i0.9)){break;}coord.xyz=t*vec3(dir,1.0)+coord.xyz;e=texture2D(inputBuffer,coord.xy).rg;coord.w=dot(e,vec2(0.5));}return coord.zw;}vec2 searchDiag2(const in vec2 texCoord,const in vec2 dir,out vec2 e){vec4 coord=vec4(texCoord,-1.0,1.0);coord.x+=0.25*texelSize.x;vec3 t=vec3(texelSize,1.0);for(int i=0;i0.9)){break;}coord.xyz=t*vec3(dir,1.0)+coord.xyz;e=texture2D(inputBuffer,coord.xy).rg;e=decodeDiagBilinearAccess(e);coord.w=dot(e,vec2(0.5));}return coord.zw;}vec2 areaDiag(const in vec2 dist,const in vec2 e,const in float offset){vec2 texCoord=vec2(AREATEX_MAX_DISTANCE_DIAG,AREATEX_MAX_DISTANCE_DIAG)*e+dist;texCoord=AREATEX_PIXEL_SIZE*texCoord+0.5*AREATEX_PIXEL_SIZE;texCoord.x+=0.5;texCoord.y+=AREATEX_SUBTEX_SIZE*offset;return texture2D(areaTexture,texCoord).rg;}vec2 calculateDiagWeights(const in vec2 texCoord,const in vec2 e,const in vec4 subsampleIndices){vec2 weights=vec2(0.0);vec4 d;vec2 end;if(e.r>0.0){d.xz=searchDiag1(texCoord,vec2(-1.0,1.0),end);d.x+=float(end.y>0.9);}else{d.xz=vec2(0.0);}d.yw=searchDiag1(texCoord,vec2(1.0,-1.0),end);if(d.x+d.y>2.0){vec4 coords=vec4(-d.x+0.25,d.x,d.y,-d.y-0.25)*texelSize.xyxy+texCoord.xyxy;vec4 c;c.xy=sampleLevelZeroOffset(inputBuffer,coords.xy,vec2(-1,0)).rg;c.zw=sampleLevelZeroOffset(inputBuffer,coords.zw,vec2(1,0)).rg;c.yxwz=decodeDiagBilinearAccess(c.xyzw);vec2 cc=vec2(2.0)*c.xz+c.yw;movec(bvec2(step(0.9,d.zw)),cc,vec2(0.0));weights+=areaDiag(d.xy,cc,subsampleIndices.z);}d.xz=searchDiag2(texCoord,vec2(-1.0,-1.0),end);if(sampleLevelZeroOffset(inputBuffer,texCoord,vec2(1,0)).r>0.0){d.yw=searchDiag2(texCoord,vec2(1.0),end);d.y+=float(end.y>0.9);}else{d.yw=vec2(0.0);}if(d.x+d.y>2.0){vec4 coords=vec4(-d.x,-d.x,d.y,d.y)*texelSize.xyxy+texCoord.xyxy;vec4 c;c.x=sampleLevelZeroOffset(inputBuffer,coords.xy,vec2(-1,0)).g;c.y=sampleLevelZeroOffset(inputBuffer,coords.xy,vec2(0,-1)).r;c.zw=sampleLevelZeroOffset(inputBuffer,coords.zw,vec2(1,0)).gr;vec2 cc=vec2(2.0)*c.xz+c.yw;movec(bvec2(step(0.9,d.zw)),cc,vec2(0.0));weights+=areaDiag(d.xy,cc,subsampleIndices.w).gr;}return weights;}float searchLength(const in vec2 e,const in float offset){vec2 scale=SEARCHTEX_SIZE*vec2(0.5,-1.0);vec2 bias=SEARCHTEX_SIZE*vec2(offset,1.0);scale+=vec2(-1.0,1.0);bias+=vec2(0.5,-0.5);scale*=1.0/SEARCHTEX_PACKED_SIZE;bias*=1.0/SEARCHTEX_PACKED_SIZE;return texture2D(searchTexture,scale*e+bias).r;}float searchXLeft(in vec2 texCoord,const in float end){vec2 e=vec2(0.0,1.0);for(int i=0;iend&&e.g>0.8281&&e.r==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=vec2(-2.0,0.0)*texelSize+texCoord;}float offset=-(255.0/127.0)*searchLength(e,0.0)+3.25;return texelSize.x*offset+texCoord.x;}float searchXRight(vec2 texCoord,const in float end){vec2 e=vec2(0.0,1.0);for(int i=0;i0.8281&&e.r==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=vec2(2.0,0.0)*texelSize.xy+texCoord;}float offset=-(255.0/127.0)*searchLength(e,0.5)+3.25;return-texelSize.x*offset+texCoord.x;}float searchYUp(vec2 texCoord,const in float end){vec2 e=vec2(1.0,0.0);for(int i=0;iend&&e.r>0.8281&&e.g==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=-vec2(0.0,2.0)*texelSize.xy+texCoord;}float offset=-(255.0/127.0)*searchLength(e.gr,0.0)+3.25;return texelSize.y*offset+texCoord.y;}float searchYDown(vec2 texCoord,const in float end){vec2 e=vec2(1.0,0.0);for(int i=0;i0.8281&&e.g==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=vec2(0.0,2.0)*texelSize.xy+texCoord;}float offset=-(255.0/127.0)*searchLength(e.gr,0.5)+3.25;return-texelSize.y*offset+texCoord.y;}vec2 area(const in vec2 dist,const in float e1,const in float e2,const in float offset){vec2 texCoord=vec2(AREATEX_MAX_DISTANCE)*round(4.0*vec2(e1,e2))+dist;texCoord=AREATEX_PIXEL_SIZE*texCoord+0.5*AREATEX_PIXEL_SIZE;texCoord.y=AREATEX_SUBTEX_SIZE*offset+texCoord.y;return texture2D(areaTexture,texCoord).rg;}void detectHorizontalCornerPattern(inout vec2 weights,const in vec4 texCoord,const in vec2 d){\\n#if !defined(DISABLE_CORNER_DETECTION)\\nvec2 leftRight=step(d.xy,d.yx);vec2 rounding=(1.0-CORNER_ROUNDING_NORM)*leftRight;rounding/=leftRight.x+leftRight.y;vec2 factor=vec2(1.0);factor.x-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(0,1)).r;factor.x-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(1,1)).r;factor.y-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(0,-2)).r;factor.y-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(1,-2)).r;weights*=clamp(factor,0.0,1.0);\\n#endif\\n}void detectVerticalCornerPattern(inout vec2 weights,const in vec4 texCoord,const in vec2 d){\\n#if !defined(DISABLE_CORNER_DETECTION)\\nvec2 leftRight=step(d.xy,d.yx);vec2 rounding=(1.0-CORNER_ROUNDING_NORM)*leftRight;rounding/=leftRight.x+leftRight.y;vec2 factor=vec2(1.0);factor.x-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(1,0)).g;factor.x-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(1,1)).g;factor.y-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(-2,0)).g;factor.y-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(-2,1)).g;weights*=clamp(factor,0.0,1.0);\\n#endif\\n}void main(){vec4 weights=vec4(0.0);vec4 subsampleIndices=vec4(0.0);vec2 e=texture2D(inputBuffer,vUv).rg;if(e.g>0.0){\\n#if !defined(DISABLE_DIAG_DETECTION)\\nweights.rg=calculateDiagWeights(vUv,e,subsampleIndices);if(weights.r==-weights.g){\\n#endif\\nvec2 d;vec3 coords;coords.x=searchXLeft(vOffset[0].xy,vOffset[2].x);coords.y=vOffset[1].y;d.x=coords.x;float e1=texture2D(inputBuffer,coords.xy).r;coords.z=searchXRight(vOffset[0].zw,vOffset[2].y);d.y=coords.z;d=round(resolution.xx*d+-vPixCoord.xx);vec2 sqrtD=sqrt(abs(d));float e2=sampleLevelZeroOffset(inputBuffer,coords.zy,vec2(1,0)).r;weights.rg=area(sqrtD,e1,e2,subsampleIndices.y);coords.y=vUv.y;detectHorizontalCornerPattern(weights.rg,coords.xyzy,d);\\n#if !defined(DISABLE_DIAG_DETECTION)\\n}else{e.r=0.0;}\\n#endif\\n}if(e.r>0.0){vec2 d;vec3 coords;coords.y=searchYUp(vOffset[1].xy,vOffset[2].z);coords.x=vOffset[0].x;d.x=coords.y;float e1=texture2D(inputBuffer,coords.xy).g;coords.z=searchYDown(vOffset[1].zw,vOffset[2].w);d.y=coords.z;d=round(resolution.yy*d-vPixCoord.yy);vec2 sqrtD=sqrt(abs(d));float e2=sampleLevelZeroOffset(inputBuffer,coords.xz,vec2(0,1)).g;weights.ba=area(sqrtD,e1,e2,subsampleIndices.x);coords.x=vUv.x;detectVerticalCornerPattern(weights.ba,coords.xyxz,d);}gl_FragColor=weights;}\";\n\n// src/materials/glsl/smaa-weights.vert\nvar smaa_weights_default2 = \"uniform vec2 texelSize;uniform vec2 resolution;varying vec2 vUv;varying vec4 vOffset[3];varying vec2 vPixCoord;void main(){vUv=position.xy*0.5+0.5;vPixCoord=vUv*resolution;vOffset[0]=vUv.xyxy+texelSize.xyxy*vec4(-0.25,-0.125,1.25,-0.125);vOffset[1]=vUv.xyxy+texelSize.xyxy*vec4(-0.125,-0.25,-0.125,1.25);vOffset[2]=vec4(vOffset[0].xz,vOffset[1].yw)+vec4(-2.0,2.0,-2.0,2.0)*texelSize.xxyy*MAX_SEARCH_STEPS_FLOAT;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/SMAAWeightsMaterial.js\nvar SMAAWeightsMaterial = class extends ShaderMaterial15 {\n /**\n * Constructs a new SMAA weights material.\n *\n * @param {Vector2} [texelSize] - The absolute screen texel size.\n * @param {Vector2} [resolution] - The resolution.\n */\n constructor(texelSize = new Vector219(), resolution = new Vector219()) {\n super({\n name: \"SMAAWeightsMaterial\",\n defines: {\n // Configurable settings:\n MAX_SEARCH_STEPS_INT: \"16\",\n MAX_SEARCH_STEPS_FLOAT: \"16.0\",\n MAX_SEARCH_STEPS_DIAG_INT: \"8\",\n MAX_SEARCH_STEPS_DIAG_FLOAT: \"8.0\",\n CORNER_ROUNDING: \"25\",\n CORNER_ROUNDING_NORM: \"0.25\",\n // Non-configurable settings:\n AREATEX_MAX_DISTANCE: \"16.0\",\n AREATEX_MAX_DISTANCE_DIAG: \"20.0\",\n AREATEX_PIXEL_SIZE: \"(1.0 / vec2(160.0, 560.0))\",\n AREATEX_SUBTEX_SIZE: \"(1.0 / 7.0)\",\n SEARCHTEX_SIZE: \"vec2(66.0, 33.0)\",\n SEARCHTEX_PACKED_SIZE: \"vec2(64.0, 16.0)\"\n },\n uniforms: {\n inputBuffer: new Uniform36(null),\n searchTexture: new Uniform36(null),\n areaTexture: new Uniform36(null),\n resolution: new Uniform36(resolution),\n texelSize: new Uniform36(texelSize)\n },\n blending: NoBlending14,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: smaa_weights_default,\n vertexShader: smaa_weights_default2\n });\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the input buffer.\n *\n * @deprecated Use inputBuffer instead.\n * @param {Texture} value - The input buffer.\n */\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * The search lookup texture.\n *\n * @type {Texture}\n */\n get searchTexture() {\n return this.uniforms.searchTexture.value;\n }\n set searchTexture(value) {\n this.uniforms.searchTexture.value = value;\n }\n /**\n * The area lookup texture.\n *\n * @type {Texture}\n */\n get areaTexture() {\n return this.uniforms.areaTexture.value;\n }\n set areaTexture(value) {\n this.uniforms.areaTexture.value = value;\n }\n /**\n * Sets the search and area lookup textures.\n *\n * @deprecated Use searchTexture and areaTexture instead.\n * @param {Texture} search - The search lookup texture.\n * @param {Texture} area - The area lookup texture.\n */\n setLookupTextures(search, area2) {\n this.searchTexture = search;\n this.areaTexture = area2;\n }\n /**\n * The maximum amount of steps performed in the horizontal/vertical pattern searches, at each side of the pixel.\n * Range: [0, 112].\n *\n * In number of pixels, it's actually the double. So the maximum line length perfectly handled by, for example 16, is\n * 64 (perfectly means that longer lines won't look as good, but are still antialiased).\n *\n * @type {Number}\n */\n get orthogonalSearchSteps() {\n return Number(this.defines.MAX_SEARCH_STEPS_INT);\n }\n set orthogonalSearchSteps(value) {\n const s = Math.min(Math.max(value, 0), 112);\n this.defines.MAX_SEARCH_STEPS_INT = s.toFixed(\"0\");\n this.defines.MAX_SEARCH_STEPS_FLOAT = s.toFixed(\"1\");\n this.needsUpdate = true;\n }\n /**\n * Sets the maximum amount of steps performed in the horizontal/vertical pattern searches, at each side of the pixel.\n *\n * @deprecated Use orthogonalSearchSteps instead.\n * @param {Number} value - The search steps. Range: [0, 112].\n */\n setOrthogonalSearchSteps(value) {\n this.orthogonalSearchSteps = value;\n }\n /**\n * The maximum steps performed in the diagonal pattern searches, at each side of the pixel. This search\n * jumps one pixel at a time. Range: [0, 20].\n *\n * On high-end machines this search is cheap (between 0.8x and 0.9x slower for 16 steps), but it can have a\n * significant impact on older machines.\n *\n * @type {Number}\n */\n get diagonalSearchSteps() {\n return Number(this.defines.MAX_SEARCH_STEPS_DIAG_INT);\n }\n set diagonalSearchSteps(value) {\n const s = Math.min(Math.max(value, 0), 20);\n this.defines.MAX_SEARCH_STEPS_DIAG_INT = s.toFixed(\"0\");\n this.defines.MAX_SEARCH_STEPS_DIAG_FLOAT = s.toFixed(\"1\");\n this.needsUpdate = true;\n }\n /**\n * Specifies the maximum steps performed in the diagonal pattern searches, at each side of the pixel.\n *\n * @deprecated Use diagonalSearchSteps instead.\n * @param {Number} value - The search steps. Range: [0, 20].\n */\n setDiagonalSearchSteps(value) {\n this.diagonalSearchSteps = value;\n }\n /**\n * Indicates whether diagonal pattern detection is enabled.\n *\n * @type {Boolean}\n */\n get diagonalDetection() {\n return this.defines.DISABLE_DIAG_DETECTION === void 0;\n }\n set diagonalDetection(value) {\n if (value) {\n delete this.defines.DISABLE_DIAG_DETECTION;\n } else {\n this.defines.DISABLE_DIAG_DETECTION = \"1\";\n }\n this.needsUpdate = true;\n }\n /**\n * Indicates whether diagonal pattern detection is enabled.\n *\n * @deprecated Use diagonalDetection instead.\n * @return {Boolean} Whether diagonal pattern detection is enabled.\n */\n isDiagonalDetectionEnabled() {\n return this.diagonalDetection;\n }\n /**\n * Enables or disables diagonal pattern detection.\n *\n * @deprecated Use diagonalDetection instead.\n * @param {Boolean} value - Whether diagonal pattern detection should be enabled.\n */\n setDiagonalDetectionEnabled(value) {\n this.diagonalDetection = value;\n }\n /**\n * Specifies how much sharp corners will be rounded. Range: [0, 100].\n *\n * @type {Number}\n */\n get cornerRounding() {\n return Number(this.defines.CORNER_ROUNDING);\n }\n set cornerRounding(value) {\n const r = Math.min(Math.max(value, 0), 100);\n this.defines.CORNER_ROUNDING = r.toFixed(\"4\");\n this.defines.CORNER_ROUNDING_NORM = (r / 100).toFixed(\"4\");\n this.needsUpdate = true;\n }\n /**\n * Specifies how much sharp corners will be rounded.\n *\n * @deprecated Use cornerRounding instead.\n * @param {Number} value - The corner rounding amount. Range: [0, 100].\n */\n setCornerRounding(value) {\n this.cornerRounding = value;\n }\n /**\n * Indicates whether corner detection is enabled.\n *\n * @type {Number}\n */\n get cornerDetection() {\n return this.defines.DISABLE_CORNER_DETECTION === void 0;\n }\n set cornerDetection(value) {\n if (value) {\n delete this.defines.DISABLE_CORNER_DETECTION;\n } else {\n this.defines.DISABLE_CORNER_DETECTION = \"1\";\n }\n this.needsUpdate = true;\n }\n /**\n * Indicates whether corner rounding is enabled.\n *\n * @deprecated Use cornerDetection instead.\n * @return {Boolean} Whether corner rounding is enabled.\n */\n isCornerRoundingEnabled() {\n return this.cornerDetection;\n }\n /**\n * Enables or disables corner rounding.\n *\n * @deprecated Use cornerDetection instead.\n * @param {Boolean} value - Whether corner rounding should be enabled.\n */\n setCornerRoundingEnabled(value) {\n this.cornerDetection = value;\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const uniforms = this.uniforms;\n uniforms.texelSize.value.set(1 / width, 1 / height);\n uniforms.resolution.value.set(width, height);\n }\n};\n\n// src/textures/smaa/searchImageDataURL.js\nvar searchImageDataURL_default = \"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEAAAAAQCAYAAACm53kpAAAAeElEQVRYR+2XSwqAMAxEJ168ePEqwRSKhIIiuHjJqiU0gWE+1CQdApcVAMUAuARaMGCX1MIL/Ow13++9lW2s3mW9MWvsnWc/2fvGygwPAN4E8QzAA4CXAB6AHjG4JTHYI1ey3pcx6FHnEfhLDOIBKAmUBK6/ANUDTlROXAHd9EC1AAAAAElFTkSuQmCC\";\n\n// src/textures/smaa/areaImageDataURL.js\nvar areaImageDataURL_default = \"data:image/png;base64,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\";\n\n// src/effects/glsl/smaa.frag\nvar smaa_default = \"uniform sampler2D weightMap;varying vec2 vOffset0;varying vec2 vOffset1;void movec(const in bvec2 c,inout vec2 variable,const in vec2 value){if(c.x){variable.x=value.x;}if(c.y){variable.y=value.y;}}void movec(const in bvec4 c,inout vec4 variable,const in vec4 value){movec(c.xy,variable.xy,value.xy);movec(c.zw,variable.zw,value.zw);}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec4 a;a.x=texture2D(weightMap,vOffset0).a;a.y=texture2D(weightMap,vOffset1).g;a.wz=texture2D(weightMap,uv).rb;vec4 color=inputColor;if(dot(a,vec4(1.0))>=1e-5){bool h=max(a.x,a.z)>max(a.y,a.w);vec4 blendingOffset=vec4(0.0,a.y,0.0,a.w);vec2 blendingWeight=a.yw;movec(bvec4(h),blendingOffset,vec4(a.x,0.0,a.z,0.0));movec(bvec2(h),blendingWeight,a.xz);blendingWeight/=dot(blendingWeight,vec2(1.0));vec4 blendingCoord=blendingOffset*vec4(texelSize,-texelSize)+uv.xyxy;color=blendingWeight.x*texture2D(inputBuffer,blendingCoord.xy);color+=blendingWeight.y*texture2D(inputBuffer,blendingCoord.zw);}outputColor=color;}\";\n\n// src/effects/glsl/smaa.vert\nvar smaa_default2 = \"varying vec2 vOffset0;varying vec2 vOffset1;void mainSupport(const in vec2 uv){vOffset0=uv+texelSize*vec2(1.0,0.0);vOffset1=uv+texelSize*vec2(0.0,1.0);}\";\n\n// src/effects/SMAAEffect.js\nvar SMAAEffect = class extends Effect {\n /**\n * Constructs a new SMAA effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SRC] - The blend function of this effect.\n * @param {SMAAPreset} [options.preset=SMAAPreset.MEDIUM] - The quality preset.\n * @param {EdgeDetectionMode} [options.edgeDetectionMode=EdgeDetectionMode.COLOR] - The edge detection mode.\n * @param {PredicationMode} [options.predicationMode=PredicationMode.DISABLED] - The predication mode.\n */\n constructor({\n blendFunction = BlendFunction.SRC,\n preset = SMAAPreset.MEDIUM,\n edgeDetectionMode = EdgeDetectionMode.COLOR,\n predicationMode = PredicationMode.DISABLED\n } = {}) {\n super(\"SMAAEffect\", smaa_default, {\n vertexShader: smaa_default2,\n blendFunction,\n attributes: EffectAttribute.CONVOLUTION | EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"weightMap\", new Uniform37(null)]\n ])\n });\n let searchImage, areaImage;\n if (arguments.length > 1) {\n searchImage = arguments[0];\n areaImage = arguments[1];\n if (arguments.length > 2) {\n preset = arguments[2];\n }\n if (arguments.length > 3) {\n edgeDetectionMode = arguments[3];\n }\n }\n this.renderTargetEdges = new WebGLRenderTarget14(1, 1, { depthBuffer: false });\n this.renderTargetEdges.texture.name = \"SMAA.Edges\";\n this.renderTargetWeights = this.renderTargetEdges.clone();\n this.renderTargetWeights.texture.name = \"SMAA.Weights\";\n this.uniforms.get(\"weightMap\").value = this.renderTargetWeights.texture;\n this.clearPass = new ClearPass(true, false, false);\n this.clearPass.overrideClearColor = new Color7(0);\n this.clearPass.overrideClearAlpha = 1;\n this.edgeDetectionPass = new ShaderPass(new EdgeDetectionMaterial());\n this.edgeDetectionMaterial.edgeDetectionMode = edgeDetectionMode;\n this.edgeDetectionMaterial.predicationMode = predicationMode;\n this.weightsPass = new ShaderPass(new SMAAWeightsMaterial());\n const loadingManager = new LoadingManager();\n loadingManager.onLoad = () => {\n const searchTexture = new Texture3(searchImage);\n searchTexture.name = \"SMAA.Search\";\n searchTexture.magFilter = NearestFilter4;\n searchTexture.minFilter = NearestFilter4;\n searchTexture.generateMipmaps = false;\n searchTexture.needsUpdate = true;\n searchTexture.flipY = true;\n this.weightsMaterial.searchTexture = searchTexture;\n const areaTexture = new Texture3(areaImage);\n areaTexture.name = \"SMAA.Area\";\n areaTexture.magFilter = LinearFilter5;\n areaTexture.minFilter = LinearFilter5;\n areaTexture.generateMipmaps = false;\n areaTexture.needsUpdate = true;\n areaTexture.flipY = false;\n this.weightsMaterial.areaTexture = areaTexture;\n this.dispatchEvent({ type: \"load\" });\n };\n loadingManager.itemStart(\"search\");\n loadingManager.itemStart(\"area\");\n if (searchImage !== void 0 && areaImage !== void 0) {\n loadingManager.itemEnd(\"search\");\n loadingManager.itemEnd(\"area\");\n } else if (typeof Image !== \"undefined\") {\n searchImage = new Image();\n areaImage = new Image();\n searchImage.addEventListener(\"load\", () => loadingManager.itemEnd(\"search\"));\n areaImage.addEventListener(\"load\", () => loadingManager.itemEnd(\"area\"));\n searchImage.src = searchImageDataURL_default;\n areaImage.src = areaImageDataURL_default;\n }\n this.applyPreset(preset);\n }\n /**\n * The edges texture.\n *\n * @type {Texture}\n */\n get edgesTexture() {\n return this.renderTargetEdges.texture;\n }\n /**\n * Returns the edges texture.\n *\n * @deprecated Use edgesTexture instead.\n * @return {Texture} The texture.\n */\n getEdgesTexture() {\n return this.edgesTexture;\n }\n /**\n * The edge weights texture.\n *\n * @type {Texture}\n */\n get weightsTexture() {\n return this.renderTargetWeights.texture;\n }\n /**\n * Returns the edge weights texture.\n *\n * @deprecated Use weightsTexture instead.\n * @return {Texture} The texture.\n */\n getWeightsTexture() {\n return this.weightsTexture;\n }\n /**\n * The edge detection material.\n *\n * @type {EdgeDetectionMaterial}\n */\n get edgeDetectionMaterial() {\n return this.edgeDetectionPass.fullscreenMaterial;\n }\n /**\n * The edge detection material.\n *\n * @type {EdgeDetectionMaterial}\n * @deprecated Use edgeDetectionMaterial instead.\n */\n get colorEdgesMaterial() {\n return this.edgeDetectionMaterial;\n }\n /**\n * Returns the edge detection material.\n *\n * @deprecated Use edgeDetectionMaterial instead.\n * @return {EdgeDetectionMaterial} The material.\n */\n getEdgeDetectionMaterial() {\n return this.edgeDetectionMaterial;\n }\n /**\n * The edge weights material.\n *\n * @type {SMAAWeightsMaterial}\n */\n get weightsMaterial() {\n return this.weightsPass.fullscreenMaterial;\n }\n /**\n * Returns the edge weights material.\n *\n * @deprecated Use weightsMaterial instead.\n * @return {SMAAWeightsMaterial} The material.\n */\n getWeightsMaterial() {\n return this.weightsMaterial;\n }\n /**\n * Sets the edge detection sensitivity.\n *\n * See {@link EdgeDetectionMaterial#setEdgeDetectionThreshold} for more details.\n *\n * @deprecated Use edgeDetectionMaterial instead.\n * @param {Number} threshold - The edge detection sensitivity. Range: [0.05, 0.5].\n */\n setEdgeDetectionThreshold(threshold) {\n this.edgeDetectionMaterial.edgeDetectionThreshold = threshold;\n }\n /**\n * Sets the maximum amount of horizontal/vertical search steps.\n *\n * See {@link SMAAWeightsMaterial#setOrthogonalSearchSteps} for more details.\n *\n * @deprecated Use weightsMaterial instead.\n * @param {Number} steps - The search steps. Range: [0, 112].\n */\n setOrthogonalSearchSteps(steps) {\n this.weightsMaterial.orthogonalSearchSteps = steps;\n }\n /**\n * Applies the given quality preset.\n *\n * @param {SMAAPreset} preset - The preset.\n */\n applyPreset(preset) {\n const edgeDetectionMaterial = this.edgeDetectionMaterial;\n const weightsMaterial = this.weightsMaterial;\n switch (preset) {\n case SMAAPreset.LOW:\n edgeDetectionMaterial.edgeDetectionThreshold = 0.15;\n weightsMaterial.orthogonalSearchSteps = 4;\n weightsMaterial.diagonalDetection = false;\n weightsMaterial.cornerDetection = false;\n break;\n case SMAAPreset.MEDIUM:\n edgeDetectionMaterial.edgeDetectionThreshold = 0.1;\n weightsMaterial.orthogonalSearchSteps = 8;\n weightsMaterial.diagonalDetection = false;\n weightsMaterial.cornerDetection = false;\n break;\n case SMAAPreset.HIGH:\n edgeDetectionMaterial.edgeDetectionThreshold = 0.1;\n weightsMaterial.orthogonalSearchSteps = 16;\n weightsMaterial.diagonalSearchSteps = 8;\n weightsMaterial.cornerRounding = 25;\n weightsMaterial.diagonalDetection = true;\n weightsMaterial.cornerDetection = true;\n break;\n case SMAAPreset.ULTRA:\n edgeDetectionMaterial.edgeDetectionThreshold = 0.05;\n weightsMaterial.orthogonalSearchSteps = 32;\n weightsMaterial.diagonalSearchSteps = 16;\n weightsMaterial.cornerRounding = 25;\n weightsMaterial.diagonalDetection = true;\n weightsMaterial.cornerDetection = true;\n break;\n }\n }\n /**\n * Sets the depth texture.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking9) {\n this.edgeDetectionMaterial.depthBuffer = depthTexture;\n this.edgeDetectionMaterial.depthPacking = depthPacking;\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n this.clearPass.render(renderer, this.renderTargetEdges);\n this.edgeDetectionPass.render(renderer, inputBuffer, this.renderTargetEdges);\n this.weightsPass.render(renderer, this.renderTargetEdges, this.renderTargetWeights);\n }\n /**\n * Updates the size of internal render targets.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.edgeDetectionMaterial.setSize(width, height);\n this.weightsMaterial.setSize(width, height);\n this.renderTargetEdges.setSize(width, height);\n this.renderTargetWeights.setSize(width, height);\n }\n /**\n * Deletes internal render targets and textures.\n */\n dispose() {\n const { searchTexture, areaTexture } = this.weightsMaterial;\n if (searchTexture !== null && areaTexture !== null) {\n searchTexture.dispose();\n areaTexture.dispose();\n }\n super.dispose();\n }\n /**\n * The SMAA search image, encoded as a base64 data URL.\n *\n * @type {String}\n * @deprecated\n */\n static get searchImageDataURL() {\n return searchImageDataURL_default;\n }\n /**\n * The SMAA area image, encoded as a base64 data URL.\n *\n * @type {String}\n * @deprecated\n */\n static get areaImageDataURL() {\n return areaImageDataURL_default;\n }\n};\n\n// src/effects/SSAOEffect.js\nimport { BasicDepthPacking as BasicDepthPacking13, Color as Color8, RepeatWrapping as RepeatWrapping3, RGBAFormat as RGBAFormat4, Uniform as Uniform40, WebGLRenderTarget as WebGLRenderTarget16 } from \"three\";\n\n// src/materials/SSAOMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking10, Matrix4 as Matrix42, NoBlending as NoBlending15, PerspectiveCamera as PerspectiveCamera4, ShaderMaterial as ShaderMaterial16, Uniform as Uniform38, Vector2 as Vector220 } from \"three\";\n\n// src/materials/glsl/ssao.frag\nvar ssao_default = \"#include \\n#include \\n#ifdef NORMAL_DEPTH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){return texture2D(normalDepthBuffer,uv).a;}\\n#else\\nuniform lowp sampler2D normalBuffer;\\n#if DEPTH_PACKING == 3201\\nuniform lowp sampler2D depthBuffer;\\n#elif defined(GL_FRAGMENT_PRECISION_HIGH)\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}\\n#endif\\nuniform lowp sampler2D noiseTexture;uniform mat4 inverseProjectionMatrix;uniform mat4 projectionMatrix;uniform vec2 texelSize;uniform vec2 cameraNearFar;uniform float intensity;uniform float minRadiusScale;uniform float fade;uniform float bias;uniform vec2 distanceCutoff;uniform vec2 proximityCutoff;varying vec2 vUv;varying vec2 vUv2;float getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#endif\\n}vec3 getViewPosition(const in vec2 screenPosition,const in float depth,const in float viewZ){vec4 clipPosition=vec4(vec3(screenPosition,depth)*2.0-1.0,1.0);float clipW=projectionMatrix[2][3]*viewZ+projectionMatrix[3][3];clipPosition*=clipW;return(inverseProjectionMatrix*clipPosition).xyz;}float getAmbientOcclusion(const in vec3 p,const in vec3 n,const in float depth,const in vec2 uv){float radiusScale=1.0-smoothstep(0.0,distanceCutoff.y,depth);radiusScale=radiusScale*(1.0-minRadiusScale)+minRadiusScale;float radius=RADIUS*radiusScale;float noise=texture2D(noiseTexture,vUv2).r;float baseAngle=noise*PI2;float rings=SPIRAL_TURNS*PI2;float occlusion=0.0;int taps=0;for(int i=0;i1.0||coords.t<0.0||coords.t>1.0){continue;}float sampleDepth=readDepth(coords);float viewZ=getViewZ(sampleDepth);\\n#ifdef PERSPECTIVE_CAMERA\\nfloat linearSampleDepth=viewZToOrthographicDepth(viewZ,cameraNearFar.x,cameraNearFar.y);\\n#else\\nfloat linearSampleDepth=sampleDepth;\\n#endif\\nfloat proximity=abs(depth-linearSampleDepth);if(proximity\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\n#ifdef DOWNSAMPLE_NORMALS\\nuniform lowp sampler2D normalBuffer;\\n#endif\\nvarying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;float readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}int findBestDepth(const in float samples[4]){float c=(samples[0]+samples[1]+samples[2]+samples[3])*0.25;float distances[4];distances[0]=abs(c-samples[0]);distances[1]=abs(c-samples[1]);distances[2]=abs(c-samples[2]);distances[3]=abs(c-samples[3]);float maxDistance=max(max(distances[0],distances[1]),max(distances[2],distances[3]));int remaining[3];int rejected[3];int i,j,k;for(i=0,j=0,k=0;i<4;++i){if(distances[i] this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n /**\n * The normal(RGB) + depth(A) texture.\n *\n * @type {Texture}\n */\n get texture() {\n return this.renderTarget.texture;\n }\n /**\n * Returns the normal(RGB) + depth(A) texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.renderTarget.texture;\n }\n /**\n * Returns the resolution settings.\n *\n * @deprecated Use resolution instead.\n * @return {Resolution} The resolution.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * Sets the depth texture.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing strategy.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking12) {\n this.fullscreenMaterial.depthBuffer = depthTexture;\n this.fullscreenMaterial.depthPacking = depthPacking;\n }\n /**\n * Downsamples depth and scene normals.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n renderer.render(this.scene, this.camera);\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n this.fullscreenMaterial.setSize(width, height);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n const gl = renderer.getContext();\n const renderable = gl.getExtension(\"EXT_color_buffer_float\") || gl.getExtension(\"EXT_color_buffer_half_float\");\n if (!renderable) {\n throw new Error(\"Rendering to float texture is not supported.\");\n }\n }\n};\n\n// src/effects/glsl/ssao.frag\nvar ssao_default3 = \"uniform lowp sampler2D aoBuffer;uniform float luminanceInfluence;uniform float intensity;\\n#if defined(DEPTH_AWARE_UPSAMPLING) && defined(NORMAL_DEPTH)\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\n#endif\\n#ifdef COLORIZE\\nuniform vec3 color;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){float aoLinear=texture2D(aoBuffer,uv).r;\\n#if defined(DEPTH_AWARE_UPSAMPLING) && defined(NORMAL_DEPTH) && __VERSION__ == 300\\nvec4 normalDepth[4];normalDepth[0]=textureOffset(normalDepthBuffer,uv,ivec2(0,0));normalDepth[1]=textureOffset(normalDepthBuffer,uv,ivec2(0,1));normalDepth[2]=textureOffset(normalDepthBuffer,uv,ivec2(1,0));normalDepth[3]=textureOffset(normalDepthBuffer,uv,ivec2(1,1));float dot01=dot(normalDepth[0].rgb,normalDepth[1].rgb);float dot02=dot(normalDepth[0].rgb,normalDepth[2].rgb);float dot03=dot(normalDepth[0].rgb,normalDepth[3].rgb);float minDot=min(dot01,min(dot02,dot03));float s=step(THRESHOLD,minDot);float smallestDistance=1.0;int index;for(int i=0;i<4;++i){float distance=abs(depth-normalDepth[i].a);if(distance this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.camera = camera;\n this.depthDownsamplingPass = new DepthDownsamplingPass({ normalBuffer, resolutionScale });\n this.depthDownsamplingPass.enabled = normalDepthBuffer === null;\n this.ssaoPass = new ShaderPass(new SSAOMaterial(camera));\n const noiseTexture = new NoiseTexture(NOISE_TEXTURE_SIZE, NOISE_TEXTURE_SIZE, RGBAFormat4);\n noiseTexture.wrapS = noiseTexture.wrapT = RepeatWrapping3;\n const ssaoMaterial = this.ssaoMaterial;\n ssaoMaterial.normalBuffer = normalBuffer;\n ssaoMaterial.noiseTexture = noiseTexture;\n ssaoMaterial.minRadiusScale = minRadiusScale;\n ssaoMaterial.samples = samples;\n ssaoMaterial.radius = radius;\n ssaoMaterial.rings = rings;\n ssaoMaterial.fade = fade;\n ssaoMaterial.bias = bias;\n ssaoMaterial.distanceThreshold = distanceThreshold;\n ssaoMaterial.distanceFalloff = distanceFalloff;\n ssaoMaterial.proximityThreshold = rangeThreshold;\n ssaoMaterial.proximityFalloff = rangeFalloff;\n if (worldDistanceThreshold !== void 0) {\n ssaoMaterial.worldDistanceThreshold = worldDistanceThreshold;\n }\n if (worldDistanceFalloff !== void 0) {\n ssaoMaterial.worldDistanceFalloff = worldDistanceFalloff;\n }\n if (worldProximityThreshold !== void 0) {\n ssaoMaterial.worldProximityThreshold = worldProximityThreshold;\n }\n if (worldProximityFalloff !== void 0) {\n ssaoMaterial.worldProximityFalloff = worldProximityFalloff;\n }\n if (normalDepthBuffer !== null) {\n this.ssaoMaterial.normalDepthBuffer = normalDepthBuffer;\n this.defines.set(\"NORMAL_DEPTH\", \"1\");\n }\n this.depthAwareUpsampling = depthAwareUpsampling;\n this.color = color2;\n }\n set mainCamera(value) {\n this.camera = value;\n this.ssaoMaterial.copyCameraSettings(value);\n }\n /**\n * Sets the normal buffer.\n *\n * @type {Texture}\n */\n get normalBuffer() {\n return this.ssaoMaterial.normalBuffer;\n }\n set normalBuffer(value) {\n this.ssaoMaterial.normalBuffer = value;\n this.depthDownsamplingPass.fullscreenMaterial.normalBuffer = value;\n }\n /**\n * Returns the resolution settings.\n *\n * @deprecated Use resolution instead.\n * @return {Resolution} The resolution.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * The SSAO material.\n *\n * @type {SSAOMaterial}\n */\n get ssaoMaterial() {\n return this.ssaoPass.fullscreenMaterial;\n }\n /**\n * Returns the SSAO material.\n *\n * @deprecated Use ssaoMaterial instead.\n * @return {SSAOMaterial} The material.\n */\n getSSAOMaterial() {\n return this.ssaoMaterial;\n }\n /**\n * The amount of occlusion samples per pixel.\n *\n * @type {Number}\n * @deprecated Use ssaoMaterial.samples instead.\n */\n get samples() {\n return this.ssaoMaterial.samples;\n }\n set samples(value) {\n this.ssaoMaterial.samples = value;\n }\n /**\n * The amount of spiral turns in the occlusion sampling pattern.\n *\n * @type {Number}\n * @deprecated Use ssaoMaterial.rings instead.\n */\n get rings() {\n return this.ssaoMaterial.rings;\n }\n set rings(value) {\n this.ssaoMaterial.rings = value;\n }\n /**\n * The occlusion sampling radius.\n *\n * @type {Number}\n * @deprecated Use ssaoMaterial.radius instead.\n */\n get radius() {\n return this.ssaoMaterial.radius;\n }\n set radius(value) {\n this.ssaoMaterial.radius = value;\n }\n /**\n * Indicates whether depth-aware upsampling is enabled.\n *\n * @type {Boolean}\n */\n get depthAwareUpsampling() {\n return this.defines.has(\"DEPTH_AWARE_UPSAMPLING\");\n }\n set depthAwareUpsampling(value) {\n if (this.depthAwareUpsampling !== value) {\n if (value) {\n this.defines.set(\"DEPTH_AWARE_UPSAMPLING\", \"1\");\n } else {\n this.defines.delete(\"DEPTH_AWARE_UPSAMPLING\");\n }\n this.setChanged();\n }\n }\n /**\n * Indicates whether depth-aware upsampling is enabled.\n *\n * @deprecated Use depthAwareUpsampling instead.\n * @return {Boolean} Whether depth-aware upsampling is enabled.\n */\n isDepthAwareUpsamplingEnabled() {\n return this.depthAwareUpsampling;\n }\n /**\n * Enables or disables depth-aware upsampling.\n *\n * @deprecated Use depthAwareUpsampling instead.\n * @param {Boolean} value - Whether depth-aware upsampling should be enabled.\n */\n setDepthAwareUpsamplingEnabled(value) {\n this.depthAwareUpsampling = value;\n }\n /**\n * Indicates whether distance-based radius scaling is enabled.\n *\n * @type {Boolean}\n * @deprecated\n */\n get distanceScaling() {\n return true;\n }\n set distanceScaling(value) {\n }\n /**\n * The color of the ambient occlusion. Set to `null` to disable.\n *\n * @type {Color}\n */\n get color() {\n return this.uniforms.get(\"color\").value;\n }\n set color(value) {\n const uniforms = this.uniforms;\n const defines = this.defines;\n if (value !== null) {\n if (defines.has(\"COLORIZE\")) {\n uniforms.get(\"color\").value.set(value);\n } else {\n defines.set(\"COLORIZE\", \"1\");\n uniforms.get(\"color\").value = new Color8(value);\n this.setChanged();\n }\n } else if (defines.has(\"COLORIZE\")) {\n defines.delete(\"COLORIZE\");\n uniforms.get(\"color\").value = null;\n this.setChanged();\n }\n }\n /**\n * The luminance influence factor. Range: [0.0, 1.0].\n *\n * @type {Boolean}\n */\n get luminanceInfluence() {\n return this.uniforms.get(\"luminanceInfluence\").value;\n }\n set luminanceInfluence(value) {\n this.uniforms.get(\"luminanceInfluence\").value = value;\n }\n /**\n * The intensity.\n *\n * @type {Number}\n */\n get intensity() {\n return this.uniforms.get(\"intensity\").value;\n }\n set intensity(value) {\n this.uniforms.get(\"intensity\").value = value;\n }\n /**\n * Returns the color of the ambient occlusion.\n *\n * @deprecated Use color instead.\n * @return {Color} The color.\n */\n getColor() {\n return this.color;\n }\n /**\n * Sets the color of the ambient occlusion. Set to `null` to disable colorization.\n *\n * @deprecated Use color instead.\n * @param {Color} value - The color.\n */\n setColor(value) {\n this.color = value;\n }\n /**\n * Sets the occlusion distance cutoff.\n *\n * @deprecated Use ssaoMaterial instead.\n * @param {Number} threshold - The distance threshold. Range [0.0, 1.0].\n * @param {Number} falloff - The falloff. Range [0.0, 1.0].\n */\n setDistanceCutoff(threshold, falloff) {\n this.ssaoMaterial.distanceThreshold = threshold;\n this.ssaoMaterial.distanceFalloff = falloff;\n }\n /**\n * Sets the occlusion proximity cutoff.\n *\n * @deprecated Use ssaoMaterial instead.\n * @param {Number} threshold - The proximity threshold. Range [0.0, 1.0].\n * @param {Number} falloff - The falloff. Range [0.0, 1.0].\n */\n setProximityCutoff(threshold, falloff) {\n this.ssaoMaterial.proximityThreshold = threshold;\n this.ssaoMaterial.proximityFalloff = falloff;\n }\n /**\n * Sets the depth texture.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking13) {\n this.depthDownsamplingPass.setDepthTexture(depthTexture, depthPacking);\n this.ssaoMaterial.depthBuffer = depthTexture;\n this.ssaoMaterial.depthPacking = depthPacking;\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n const renderTarget = this.renderTarget;\n if (this.depthDownsamplingPass.enabled) {\n this.depthDownsamplingPass.render(renderer);\n }\n this.ssaoPass.render(renderer, null, renderTarget);\n }\n /**\n * Sets the size.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.ssaoMaterial.copyCameraSettings(this.camera);\n this.ssaoMaterial.setSize(w, h);\n this.renderTarget.setSize(w, h);\n this.depthDownsamplingPass.resolution.scale = resolution.scale;\n this.depthDownsamplingPass.setSize(width, height);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n try {\n let normalDepthBuffer = this.uniforms.get(\"normalDepthBuffer\").value;\n if (normalDepthBuffer === null) {\n this.depthDownsamplingPass.initialize(renderer, alpha, frameBufferType);\n normalDepthBuffer = this.depthDownsamplingPass.texture;\n this.uniforms.get(\"normalDepthBuffer\").value = normalDepthBuffer;\n this.ssaoMaterial.normalDepthBuffer = normalDepthBuffer;\n this.defines.set(\"NORMAL_DEPTH\", \"1\");\n }\n } catch (e) {\n this.depthDownsamplingPass.enabled = false;\n }\n }\n};\n\n// src/effects/TextureEffect.js\nimport { Uniform as Uniform41, UnsignedByteType as UnsignedByteType12 } from \"three\";\n\n// src/effects/glsl/texture.frag\nvar texture_default = \"#ifdef TEXTURE_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nvarying vec2 vUv2;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){\\n#ifdef UV_TRANSFORM\\nvec4 texel=texture2D(map,vUv2);\\n#else\\nvec4 texel=texture2D(map,uv);\\n#endif\\noutputColor=TEXEL;}\";\n\n// src/effects/glsl/texture.vert\nvar texture_default2 = \"#ifdef ASPECT_CORRECTION\\nuniform float scale;\\n#else\\nuniform mat3 uvTransform;\\n#endif\\nvarying vec2 vUv2;void mainSupport(const in vec2 uv){\\n#ifdef ASPECT_CORRECTION\\nvUv2=uv*vec2(aspect,1.0)*scale;\\n#else\\nvUv2=(uvTransform*vec3(uv,1.0)).xy;\\n#endif\\n}\";\n\n// src/effects/TextureEffect.js\nvar TextureEffect = class extends Effect {\n /**\n * Constructs a new texture effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction] - The blend function of this effect.\n * @param {Texture} [options.texture] - A texture.\n * @param {Boolean} [options.aspectCorrection=false] - Deprecated. Adjust the texture's offset, repeat and center instead.\n */\n constructor({ blendFunction, texture = null, aspectCorrection = false } = {}) {\n super(\"TextureEffect\", texture_default, {\n blendFunction,\n defines: /* @__PURE__ */ new Map([\n [\"TEXEL\", \"texel\"]\n ]),\n uniforms: /* @__PURE__ */ new Map([\n [\"map\", new Uniform41(null)],\n [\"scale\", new Uniform41(1)],\n [\"uvTransform\", new Uniform41(null)]\n ])\n });\n this.texture = texture;\n this.aspectCorrection = aspectCorrection;\n }\n /**\n * The texture.\n *\n * @type {Texture}\n */\n get texture() {\n return this.uniforms.get(\"map\").value;\n }\n set texture(value) {\n const prevTexture = this.texture;\n const uniforms = this.uniforms;\n const defines = this.defines;\n if (prevTexture !== value) {\n uniforms.get(\"map\").value = value;\n uniforms.get(\"uvTransform\").value = value.matrix;\n defines.delete(\"TEXTURE_PRECISION_HIGH\");\n if (value !== null) {\n if (value.matrixAutoUpdate) {\n defines.set(\"UV_TRANSFORM\", \"1\");\n this.setVertexShader(texture_default2);\n } else {\n defines.delete(\"UV_TRANSFORM\");\n this.setVertexShader(null);\n }\n if (value.type !== UnsignedByteType12) {\n defines.set(\"TEXTURE_PRECISION_HIGH\", \"1\");\n }\n if (prevTexture === null || prevTexture.type !== value.type || prevTexture.encoding !== value.encoding) {\n this.setChanged();\n }\n }\n }\n }\n /**\n * Returns the texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.texture;\n }\n /**\n * Sets the texture.\n *\n * @deprecated Use texture instead.\n * @param {Texture} value - The texture.\n */\n setTexture(value) {\n this.texture = value;\n }\n /**\n * Indicates whether aspect correction is enabled.\n *\n * @type {Number}\n * @deprecated Adjust the texture's offset, repeat, rotation and center instead.\n */\n get aspectCorrection() {\n return this.defines.has(\"ASPECT_CORRECTION\");\n }\n set aspectCorrection(value) {\n if (this.aspectCorrection !== value) {\n if (value) {\n this.defines.set(\"ASPECT_CORRECTION\", \"1\");\n } else {\n this.defines.delete(\"ASPECT_CORRECTION\");\n }\n this.setChanged();\n }\n }\n /**\n * Indicates whether the texture UV coordinates will be transformed using the transformation matrix of the texture.\n *\n * @type {Boolean}\n * @deprecated Use texture.matrixAutoUpdate instead.\n */\n get uvTransform() {\n const texture = this.texture;\n return texture !== null && texture.matrixAutoUpdate;\n }\n set uvTransform(value) {\n const texture = this.texture;\n if (texture !== null) {\n texture.matrixAutoUpdate = value;\n }\n }\n /**\n * Sets the swizzles that will be applied to the components of a texel before it is written to the output color.\n *\n * @param {ColorChannel} r - The swizzle for the `r` component.\n * @param {ColorChannel} [g=r] - The swizzle for the `g` component.\n * @param {ColorChannel} [b=r] - The swizzle for the `b` component.\n * @param {ColorChannel} [a=r] - The swizzle for the `a` component.\n */\n setTextureSwizzleRGBA(r, g = r, b = r, a = r) {\n const rgba = \"rgba\";\n let swizzle = \"\";\n if (r !== ColorChannel.RED || g !== ColorChannel.GREEN || b !== ColorChannel.BLUE || a !== ColorChannel.ALPHA) {\n swizzle = [\".\", rgba[r], rgba[g], rgba[b], rgba[a]].join(\"\");\n }\n this.defines.set(\"TEXEL\", \"texel\" + swizzle);\n this.setChanged();\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n if (this.texture.matrixAutoUpdate) {\n this.texture.updateMatrix();\n }\n }\n};\n\n// src/effects/TiltShiftEffect.js\nimport { SRGBColorSpace as SRGBColorSpace12, Uniform as Uniform43, Vector2 as Vector223, WebGLRenderTarget as WebGLRenderTarget17 } from \"three\";\n\n// src/materials/TiltShiftBlurMaterial.js\nimport { Uniform as Uniform42, Vector2 as Vector222, Vector4 as Vector44 } from \"three\";\n\n// src/materials/glsl/convolution.tilt-shift.frag\nvar convolution_tilt_shift_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform vec4 maskParams;varying vec2 vUv;varying vec2 vUv2;varying vec2 vOffset;float linearGradientMask(const in float x){return smoothstep(maskParams.x,maskParams.y,x)-smoothstep(maskParams.w,maskParams.z,x);}void main(){vec2 dUv=vOffset*(1.0-linearGradientMask(vUv2.y));vec4 sum=texture2D(inputBuffer,vec2(vUv.x-dUv.x,vUv.y+dUv.y));sum+=texture2D(inputBuffer,vec2(vUv.x+dUv.x,vUv.y+dUv.y));sum+=texture2D(inputBuffer,vec2(vUv.x+dUv.x,vUv.y-dUv.y));sum+=texture2D(inputBuffer,vec2(vUv.x-dUv.x,vUv.y-dUv.y));gl_FragColor=sum*0.25;\\n#include \\n}\";\n\n// src/materials/glsl/convolution.tilt-shift.vert\nvar convolution_tilt_shift_default2 = \"uniform vec4 texelSize;uniform float kernel;uniform float scale;uniform float aspect;uniform vec2 rotation;varying vec2 vUv;varying vec2 vUv2;varying vec2 vOffset;void main(){vec2 uv=position.xy*0.5+0.5;vUv=uv;vUv2=(uv-0.5)*2.0*vec2(aspect,1.0);vUv2=vec2(dot(rotation,vUv2),dot(rotation,vec2(vUv2.y,-vUv2.x)));vOffset=(texelSize.xy*vec2(kernel)+texelSize.zw)*scale;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/TiltShiftBlurMaterial.js\nvar TiltShiftBlurMaterial = class extends KawaseBlurMaterial {\n /**\n * Constructs a new tilt shift blur material.\n *\n * @param {Object} [options] - The options.\n * @param {Number} [options.offset=0.0] - The relative offset of the focus area.\n * @param {Number} [options.rotation=0.0] - The rotation of the focus area in radians.\n * @param {Number} [options.focusArea=0.4] - The relative size of the focus area.\n * @param {Number} [options.feather=0.3] - The softness of the focus area edges.\n */\n constructor({\n kernelSize = KernelSize.MEDIUM,\n offset = 0,\n rotation = 0,\n focusArea = 0.4,\n feather = 0.3\n } = {}) {\n super();\n this.fragmentShader = convolution_tilt_shift_default;\n this.vertexShader = convolution_tilt_shift_default2;\n this.kernelSize = kernelSize;\n this.uniforms.aspect = new Uniform42(1);\n this.uniforms.rotation = new Uniform42(new Vector222());\n this.uniforms.maskParams = new Uniform42(new Vector44());\n this._offset = offset;\n this._focusArea = focusArea;\n this._feather = feather;\n this.rotation = rotation;\n this.updateParams();\n }\n /**\n * The relative offset of the focus area.\n *\n * @private\n */\n updateParams() {\n const params = this.uniforms.maskParams.value;\n const a = Math.max(this.focusArea, 0);\n const b = Math.max(a - this.feather, 0);\n params.set(\n this.offset - a,\n this.offset - b,\n this.offset + a,\n this.offset + b\n );\n }\n /**\n * The rotation of the focus area in radians.\n *\n * @type {Number}\n */\n get rotation() {\n return Math.acos(this.uniforms.rotation.value.x);\n }\n set rotation(value) {\n this.uniforms.rotation.value.set(Math.cos(value), Math.sin(value));\n }\n /**\n * The relative offset of the focus area.\n *\n * @type {Number}\n */\n get offset() {\n return this._offset;\n }\n set offset(value) {\n this._offset = value;\n this.updateParams();\n }\n /**\n * The relative size of the focus area.\n *\n * @type {Number}\n */\n get focusArea() {\n return this._focusArea;\n }\n set focusArea(value) {\n this._focusArea = value;\n this.updateParams();\n }\n /**\n * The softness of the focus area edges.\n *\n * @type {Number}\n */\n get feather() {\n return this._feather;\n }\n set feather(value) {\n this._feather = value;\n this.updateParams();\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n super.setSize(width, height);\n this.uniforms.aspect.value = width / height;\n }\n};\n\n// src/passes/TiltShiftBlurPass.js\nvar TiltShiftBlurPass = class extends KawaseBlurPass {\n /**\n * Constructs a new Kawase blur pass.\n *\n * @param {Object} [options] - The options.\n * @param {Number} [options.offset=0.0] - The relative offset of the focus area.\n * @param {Number} [options.rotation=0.0] - The rotation of the focus area in radians.\n * @param {Number} [options.focusArea=0.4] - The relative size of the focus area.\n * @param {Number} [options.feather=0.3] - The softness of the focus area edges.\n * @param {KernelSize} [options.kernelSize=KernelSize.MEDIUM] - The blur kernel size.\n * @param {Number} [options.resolutionScale=0.5] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n */\n constructor({\n offset = 0,\n rotation = 0,\n focusArea = 0.4,\n feather = 0.3,\n kernelSize = KernelSize.MEDIUM,\n resolutionScale = 0.5,\n resolutionX = Resolution.AUTO_SIZE,\n resolutionY = Resolution.AUTO_SIZE\n } = {}) {\n super({ kernelSize, resolutionScale, resolutionX, resolutionY });\n this.blurMaterial = new TiltShiftBlurMaterial({ kernelSize, offset, rotation, focusArea, feather });\n }\n};\n\n// src/effects/glsl/tilt-shift.frag\nvar tilt_shift_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nuniform vec2 maskParams;varying vec2 vUv2;float linearGradientMask(const in float x){return step(maskParams.x,x)-step(maskParams.y,x);}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){float mask=linearGradientMask(vUv2.y);vec4 texel=texture2D(map,uv);outputColor=mix(texel,inputColor,mask);}\";\n\n// src/effects/glsl/tilt-shift.vert\nvar tilt_shift_default2 = \"uniform vec2 rotation;varying vec2 vUv2;void mainSupport(const in vec2 uv){vUv2=(uv-0.5)*2.0*vec2(aspect,1.0);vUv2=vec2(dot(rotation,vUv2),dot(rotation,vec2(vUv2.y,-vUv2.x)));}\";\n\n// src/effects/TiltShiftEffect.js\nvar TiltShiftEffect = class extends Effect {\n /**\n * Constructs a new tilt shift Effect\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction] - The blend function of this effect.\n * @param {Number} [options.offset=0.0] - The relative offset of the focus area.\n * @param {Number} [options.rotation=0.0] - The rotation of the focus area in radians.\n * @param {Number} [options.focusArea=0.4] - The relative size of the focus area.\n * @param {Number} [options.feather=0.3] - The softness of the focus area edges.\n * @param {Number} [options.bias=0.06] - Deprecated.\n * @param {KernelSize} [options.kernelSize=KernelSize.MEDIUM] - The blur kernel size.\n * @param {Number} [options.resolutionScale=0.5] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n */\n constructor({\n blendFunction,\n offset = 0,\n rotation = 0,\n focusArea = 0.4,\n feather = 0.3,\n kernelSize = KernelSize.MEDIUM,\n resolutionScale = 0.5,\n resolutionX = Resolution.AUTO_SIZE,\n resolutionY = Resolution.AUTO_SIZE\n } = {}) {\n super(\"TiltShiftEffect\", tilt_shift_default, {\n vertexShader: tilt_shift_default2,\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"rotation\", new Uniform43(new Vector223())],\n [\"maskParams\", new Uniform43(new Vector223())],\n [\"map\", new Uniform43(null)]\n ])\n });\n this._offset = offset;\n this._focusArea = focusArea;\n this._feather = feather;\n this.renderTarget = new WebGLRenderTarget17(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"TiltShift.Target\";\n this.uniforms.get(\"map\").value = this.renderTarget.texture;\n this.blurPass = new TiltShiftBlurPass({\n kernelSize,\n resolutionScale,\n resolutionX,\n resolutionY,\n offset,\n rotation,\n focusArea,\n feather\n });\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.rotation = rotation;\n this.updateParams();\n }\n /**\n * Updates the mask params.\n *\n * @private\n */\n updateParams() {\n const params = this.uniforms.get(\"maskParams\").value;\n const x = Math.max(this.focusArea - this.feather, 0);\n params.set(this.offset - x, this.offset + x);\n }\n /**\n * The rotation of the focus area in radians.\n *\n * @type {Number}\n */\n get rotation() {\n return Math.acos(this.uniforms.get(\"rotation\").value.x);\n }\n set rotation(value) {\n this.uniforms.get(\"rotation\").value.set(Math.cos(value), Math.sin(value));\n this.blurPass.blurMaterial.rotation = value;\n }\n /**\n * The relative offset of the focus area.\n *\n * @type {Number}\n */\n get offset() {\n return this._offset;\n }\n set offset(value) {\n this._offset = value;\n this.blurPass.blurMaterial.offset = value;\n this.updateParams();\n }\n /**\n * The relative size of the focus area.\n *\n * @type {Number}\n */\n get focusArea() {\n return this._focusArea;\n }\n set focusArea(value) {\n this._focusArea = value;\n this.blurPass.blurMaterial.focusArea = value;\n this.updateParams();\n }\n /**\n * The softness of the focus area edges.\n *\n * @type {Number}\n */\n get feather() {\n return this._feather;\n }\n set feather(value) {\n this._feather = value;\n this.blurPass.blurMaterial.feather = value;\n this.updateParams();\n }\n /**\n * A blend bias.\n *\n * @type {Number}\n * @deprecated\n */\n get bias() {\n return 0;\n }\n set bias(value) {\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n this.blurPass.render(renderer, inputBuffer, this.renderTarget);\n }\n /**\n * Updates the size of internal render targets.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n this.blurPass.resolution.copy(resolution);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n this.blurPass.initialize(renderer, alpha, frameBufferType);\n if (frameBufferType !== void 0) {\n this.renderTarget.texture.type = frameBufferType;\n if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace12) {\n this.renderTarget.texture.colorSpace = SRGBColorSpace12;\n }\n }\n }\n};\n\n// src/effects/ToneMappingEffect.js\nimport { LinearMipmapLinearFilter, REVISION as REVISION3, Uniform as Uniform45, WebGLRenderTarget as WebGLRenderTarget19 } from \"three\";\n\n// src/passes/AdaptiveLuminancePass.js\nimport { NearestFilter as NearestFilter6, WebGLRenderTarget as WebGLRenderTarget18 } from \"three\";\n\n// src/materials/AdaptiveLuminanceMaterial.js\nimport { NoBlending as NoBlending17, ShaderMaterial as ShaderMaterial18, Uniform as Uniform44 } from \"three\";\n\n// src/materials/glsl/adaptive-luminance.frag\nvar adaptive_luminance_default = \"#include \\n#define packFloatToRGBA(v) packDepthToRGBA(v)\\n#define unpackRGBAToFloat(v) unpackRGBAToDepth(v)\\nuniform lowp sampler2D luminanceBuffer0;uniform lowp sampler2D luminanceBuffer1;uniform float minLuminance;uniform float deltaTime;uniform float tau;varying vec2 vUv;void main(){float l0=unpackRGBAToFloat(texture2D(luminanceBuffer0,vUv));\\n#if __VERSION__ < 300\\nfloat l1=texture2DLodEXT(luminanceBuffer1,vUv,MIP_LEVEL_1X1).r;\\n#else\\nfloat l1=textureLod(luminanceBuffer1,vUv,MIP_LEVEL_1X1).r;\\n#endif\\nl0=max(minLuminance,l0);l1=max(minLuminance,l1);float adaptedLum=l0+(l1-l0)*(1.0-exp(-deltaTime*tau));gl_FragColor=(adaptedLum==1.0)?vec4(1.0):packFloatToRGBA(adaptedLum);}\";\n\n// src/materials/AdaptiveLuminanceMaterial.js\nvar AdaptiveLuminanceMaterial = class extends ShaderMaterial18 {\n /**\n * Constructs a new adaptive luminance material.\n */\n constructor() {\n super({\n name: \"AdaptiveLuminanceMaterial\",\n defines: {\n MIP_LEVEL_1X1: \"0.0\"\n },\n uniforms: {\n luminanceBuffer0: new Uniform44(null),\n luminanceBuffer1: new Uniform44(null),\n minLuminance: new Uniform44(0.01),\n deltaTime: new Uniform44(0),\n tau: new Uniform44(1)\n },\n extensions: {\n shaderTextureLOD: true\n },\n blending: NoBlending17,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: adaptive_luminance_default,\n vertexShader: common_default\n });\n }\n /**\n * The primary luminance buffer that contains the downsampled average luminance.\n *\n * @type {Texture}\n */\n set luminanceBuffer0(value) {\n this.uniforms.luminanceBuffer0.value = value;\n }\n /**\n * Sets the primary luminance buffer that contains the downsampled average luminance.\n *\n * @deprecated Use luminanceBuffer0 instead.\n * @param {Texture} value - The buffer.\n */\n setLuminanceBuffer0(value) {\n this.uniforms.luminanceBuffer0.value = value;\n }\n /**\n * The secondary luminance buffer.\n *\n * @type {Texture}\n */\n set luminanceBuffer1(value) {\n this.uniforms.luminanceBuffer1.value = value;\n }\n /**\n * Sets the secondary luminance buffer.\n *\n * @deprecated Use luminanceBuffer1 instead.\n * @param {Texture} value - The buffer.\n */\n setLuminanceBuffer1(value) {\n this.uniforms.luminanceBuffer1.value = value;\n }\n /**\n * The 1x1 mipmap level.\n *\n * This level is used to identify the smallest mipmap of the primary luminance buffer.\n *\n * @type {Number}\n */\n set mipLevel1x1(value) {\n this.defines.MIP_LEVEL_1X1 = value.toFixed(1);\n this.needsUpdate = true;\n }\n /**\n * Sets the 1x1 mipmap level.\n *\n * @deprecated Use mipLevel1x1 instead.\n * @param {Number} value - The level.\n */\n setMipLevel1x1(value) {\n this.mipLevel1x1 = value;\n }\n /**\n * The delta time.\n *\n * @type {Number}\n */\n set deltaTime(value) {\n this.uniforms.deltaTime.value = value;\n }\n /**\n * Sets the delta time.\n *\n * @deprecated Use deltaTime instead.\n * @param {Number} value - The delta time.\n */\n setDeltaTime(value) {\n this.uniforms.deltaTime.value = value;\n }\n /**\n * The lowest possible luminance value.\n *\n * @type {Number}\n */\n get minLuminance() {\n return this.uniforms.minLuminance.value;\n }\n set minLuminance(value) {\n this.uniforms.minLuminance.value = value;\n }\n /**\n * Returns the lowest possible luminance value.\n *\n * @deprecated Use minLuminance instead.\n * @return {Number} The minimum luminance.\n */\n getMinLuminance() {\n return this.uniforms.minLuminance.value;\n }\n /**\n * Sets the minimum luminance.\n *\n * @deprecated Use minLuminance instead.\n * @param {Number} value - The minimum luminance.\n */\n setMinLuminance(value) {\n this.uniforms.minLuminance.value = value;\n }\n /**\n * The luminance adaptation rate.\n *\n * @type {Number}\n */\n get adaptationRate() {\n return this.uniforms.tau.value;\n }\n set adaptationRate(value) {\n this.uniforms.tau.value = value;\n }\n /**\n * Returns the luminance adaptation rate.\n *\n * @deprecated Use adaptationRate instead.\n * @return {Number} The adaptation rate.\n */\n getAdaptationRate() {\n return this.uniforms.tau.value;\n }\n /**\n * Sets the luminance adaptation rate.\n *\n * @deprecated Use adaptationRate instead.\n * @param {Number} value - The adaptation rate.\n */\n setAdaptationRate(value) {\n this.uniforms.tau.value = value;\n }\n};\n\n// src/passes/AdaptiveLuminancePass.js\nvar AdaptiveLuminancePass = class extends Pass {\n /**\n * Constructs a new adaptive luminance pass.\n *\n * @param {Texture} luminanceBuffer - A buffer that contains the current scene luminance.\n * @param {Object} [options] - The options.\n * @param {Number} [options.minLuminance=0.01] - The minimum luminance.\n * @param {Number} [options.adaptationRate=1.0] - The luminance adaptation rate.\n */\n constructor(luminanceBuffer, { minLuminance = 0.01, adaptationRate = 1 } = {}) {\n super(\"AdaptiveLuminancePass\");\n this.fullscreenMaterial = new AdaptiveLuminanceMaterial();\n this.needsSwap = false;\n this.renderTargetPrevious = new WebGLRenderTarget18(1, 1, {\n minFilter: NearestFilter6,\n magFilter: NearestFilter6,\n depthBuffer: false\n });\n this.renderTargetPrevious.texture.name = \"Luminance.Previous\";\n const material = this.fullscreenMaterial;\n material.luminanceBuffer0 = this.renderTargetPrevious.texture;\n material.luminanceBuffer1 = luminanceBuffer;\n material.minLuminance = minLuminance;\n material.adaptationRate = adaptationRate;\n this.renderTargetAdapted = this.renderTargetPrevious.clone();\n this.renderTargetAdapted.texture.name = \"Luminance.Adapted\";\n this.copyPass = new CopyPass(this.renderTargetPrevious, false);\n }\n /**\n * The adaptive luminance texture.\n *\n * @type {Texture}\n */\n get texture() {\n return this.renderTargetAdapted.texture;\n }\n /**\n * Returns the adaptive 1x1 luminance texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.renderTargetAdapted.texture;\n }\n /**\n * Sets the 1x1 mipmap level.\n *\n * This level is used to identify the smallest mipmap of the main luminance texture which contains the downsampled\n * average scene luminance.\n *\n * @type {Number}\n * @deprecated Use fullscreenMaterial.mipLevel1x1 instead.\n */\n set mipLevel1x1(value) {\n this.fullscreenMaterial.mipLevel1x1 = value;\n }\n /**\n * The luminance adaptation rate.\n *\n * @type {Number}\n * @deprecated Use fullscreenMaterial.adaptationRate instead.\n */\n get adaptationRate() {\n return this.fullscreenMaterial.adaptationRate;\n }\n /**\n * @type {Number}\n * @deprecated Use fullscreenMaterial.adaptationRate instead.\n */\n set adaptationRate(value) {\n this.fullscreenMaterial.adaptationRate = value;\n }\n /**\n * Renders the scene normals.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n this.fullscreenMaterial.deltaTime = deltaTime;\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTargetAdapted);\n renderer.render(this.scene, this.camera);\n this.copyPass.render(renderer, this.renderTargetAdapted);\n }\n};\n\n// src/effects/glsl/tone-mapping.frag\nvar tone_mapping_default = \"#include \\nuniform float whitePoint;\\n#if TONE_MAPPING_MODE == 2 || TONE_MAPPING_MODE == 3\\nuniform float middleGrey;\\n#if TONE_MAPPING_MODE == 3\\nuniform lowp sampler2D luminanceBuffer;\\n#else\\nuniform float averageLuminance;\\n#endif\\nvec3 Reinhard2ToneMapping(vec3 color){color*=toneMappingExposure;float l=luminance(color);\\n#if TONE_MAPPING_MODE == 3\\nfloat lumAvg=unpackRGBAToFloat(texture2D(luminanceBuffer,vec2(0.5)));\\n#else\\nfloat lumAvg=averageLuminance;\\n#endif\\nfloat lumScaled=(l*middleGrey)/max(lumAvg,1e-6);float lumCompressed=lumScaled*(1.0+lumScaled/(whitePoint*whitePoint));lumCompressed/=(1.0+lumScaled);return clamp(lumCompressed*color,0.0,1.0);}\\n#elif TONE_MAPPING_MODE == 4\\n#define A 0.15\\n#define B 0.50\\n#define C 0.10\\n#define D 0.20\\n#define E 0.02\\n#define F 0.30\\nvec3 Uncharted2Helper(const in vec3 x){return((x*(A*x+C*B)+D*E)/(x*(A*x+B)+D*F))-E/F;}vec3 Uncharted2ToneMapping(vec3 color){color*=toneMappingExposure;return clamp(Uncharted2Helper(color)/Uncharted2Helper(vec3(whitePoint)),0.0,1.0);}\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){\\n#if TONE_MAPPING_MODE == 2 || TONE_MAPPING_MODE == 3\\noutputColor=vec4(Reinhard2ToneMapping(inputColor.rgb),inputColor.a);\\n#elif TONE_MAPPING_MODE == 4\\noutputColor=vec4(Uncharted2ToneMapping(inputColor.rgb),inputColor.a);\\n#else\\noutputColor=vec4(toneMapping(inputColor.rgb),inputColor.a);\\n#endif\\n}\";\n\n// src/effects/ToneMappingEffect.js\nvar ToneMappingEffect = class extends Effect {\n /**\n * Constructs a new tone mapping effect.\n *\n * The additional parameters only affect the Reinhard2 operator.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SRC] - The blend function of this effect.\n * @param {Boolean} [options.adaptive=false] - Deprecated. Use mode instead.\n * @param {ToneMappingMode} [options.mode=ToneMappingMode.AGX] - The tone mapping mode.\n * @param {Number} [options.resolution=256] - The resolution of the luminance texture. Must be a power of two.\n * @param {Number} [options.maxLuminance=4.0] - Deprecated. Same as whitePoint.\n * @param {Number} [options.whitePoint=4.0] - The white point.\n * @param {Number} [options.middleGrey=0.6] - The middle grey factor.\n * @param {Number} [options.minLuminance=0.01] - The minimum luminance. Prevents very high exposure in dark scenes.\n * @param {Number} [options.averageLuminance=1.0] - The average luminance. Used for the non-adaptive Reinhard operator.\n * @param {Number} [options.adaptationRate=1.0] - The luminance adaptation rate.\n */\n constructor({\n blendFunction = BlendFunction.SRC,\n adaptive = false,\n mode = adaptive ? ToneMappingMode.REINHARD2_ADAPTIVE : ToneMappingMode.AGX,\n resolution = 256,\n maxLuminance = 4,\n whitePoint = maxLuminance,\n middleGrey = 0.6,\n minLuminance = 0.01,\n averageLuminance = 1,\n adaptationRate = 1\n } = {}) {\n super(\"ToneMappingEffect\", tone_mapping_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"luminanceBuffer\", new Uniform45(null)],\n [\"maxLuminance\", new Uniform45(maxLuminance)],\n // Unused\n [\"whitePoint\", new Uniform45(whitePoint)],\n [\"middleGrey\", new Uniform45(middleGrey)],\n [\"averageLuminance\", new Uniform45(averageLuminance)]\n ])\n });\n this.renderTargetLuminance = new WebGLRenderTarget19(1, 1, {\n minFilter: LinearMipmapLinearFilter,\n depthBuffer: false\n });\n this.renderTargetLuminance.texture.generateMipmaps = true;\n this.renderTargetLuminance.texture.name = \"Luminance\";\n this.luminancePass = new LuminancePass({\n renderTarget: this.renderTargetLuminance\n });\n this.adaptiveLuminancePass = new AdaptiveLuminancePass(this.luminancePass.texture, {\n minLuminance,\n adaptationRate\n });\n this.uniforms.get(\"luminanceBuffer\").value = this.adaptiveLuminancePass.texture;\n this.resolution = resolution;\n this.mode = mode;\n }\n /**\n * The tone mapping mode.\n *\n * @type {ToneMappingMode}\n */\n get mode() {\n return Number(this.defines.get(\"TONE_MAPPING_MODE\"));\n }\n set mode(value) {\n if (this.mode === value) {\n return;\n }\n const revision = REVISION3.replace(/\\D+/g, \"\");\n const cineonToneMapping = revision >= 168 ? \"CineonToneMapping(texel)\" : \"OptimizedCineonToneMapping(texel)\";\n this.defines.clear();\n this.defines.set(\"TONE_MAPPING_MODE\", value.toFixed(0));\n switch (value) {\n case ToneMappingMode.LINEAR:\n this.defines.set(\"toneMapping(texel)\", \"LinearToneMapping(texel)\");\n break;\n case ToneMappingMode.REINHARD:\n this.defines.set(\"toneMapping(texel)\", \"ReinhardToneMapping(texel)\");\n break;\n case ToneMappingMode.CINEON:\n case ToneMappingMode.OPTIMIZED_CINEON:\n this.defines.set(\"toneMapping(texel)\", cineonToneMapping);\n break;\n case ToneMappingMode.ACES_FILMIC:\n this.defines.set(\"toneMapping(texel)\", \"ACESFilmicToneMapping(texel)\");\n break;\n case ToneMappingMode.AGX:\n this.defines.set(\"toneMapping(texel)\", \"AgXToneMapping(texel)\");\n break;\n case ToneMappingMode.NEUTRAL:\n this.defines.set(\"toneMapping(texel)\", \"NeutralToneMapping(texel)\");\n break;\n default:\n this.defines.set(\"toneMapping(texel)\", \"texel\");\n break;\n }\n this.adaptiveLuminancePass.enabled = value === ToneMappingMode.REINHARD2_ADAPTIVE;\n this.setChanged();\n }\n /**\n * Returns the current tone mapping mode.\n *\n * @deprecated Use mode instead.\n * @return {ToneMappingMode} The tone mapping mode.\n */\n getMode() {\n return this.mode;\n }\n /**\n * Sets the tone mapping mode.\n *\n * @deprecated Use mode instead.\n * @param {ToneMappingMode} value - The tone mapping mode.\n */\n setMode(value) {\n this.mode = value;\n }\n /**\n * The white point. Default is `4.0`.\n *\n * Only applies to Reinhard2 (Modified & Adaptive).\n *\n * @type {Number}\n */\n get whitePoint() {\n return this.uniforms.get(\"whitePoint\").value;\n }\n set whitePoint(value) {\n this.uniforms.get(\"whitePoint\").value = value;\n }\n /**\n * The middle grey factor. Default is `0.6`.\n *\n * Only applies to Reinhard2 (Modified & Adaptive).\n *\n * @type {Number}\n */\n get middleGrey() {\n return this.uniforms.get(\"middleGrey\").value;\n }\n set middleGrey(value) {\n this.uniforms.get(\"middleGrey\").value = value;\n }\n /**\n * The average luminance.\n *\n * Only applies to Reinhard2 (Modified).\n *\n * @type {Number}\n */\n get averageLuminance() {\n return this.uniforms.get(\"averageLuminance\").value;\n }\n set averageLuminance(value) {\n this.uniforms.get(\"averageLuminance\").value = value;\n }\n /**\n * The adaptive luminance material.\n *\n * @type {AdaptiveLuminanceMaterial}\n */\n get adaptiveLuminanceMaterial() {\n return this.adaptiveLuminancePass.fullscreenMaterial;\n }\n /**\n * Returns the adaptive luminance material.\n *\n * @deprecated Use adaptiveLuminanceMaterial instead.\n * @return {AdaptiveLuminanceMaterial} The material.\n */\n getAdaptiveLuminanceMaterial() {\n return this.adaptiveLuminanceMaterial;\n }\n /**\n * The resolution of the luminance texture. Must be a power of two.\n *\n * @type {Number}\n */\n get resolution() {\n return this.luminancePass.resolution.width;\n }\n set resolution(value) {\n const exponent = Math.max(0, Math.ceil(Math.log2(value)));\n const size = Math.pow(2, exponent);\n this.luminancePass.resolution.setPreferredSize(size, size);\n this.adaptiveLuminanceMaterial.mipLevel1x1 = exponent;\n }\n /**\n * Returns the resolution of the luminance texture.\n *\n * @deprecated Use resolution instead.\n * @return {Number} The resolution.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * Sets the resolution of the luminance texture. Must be a power of two.\n *\n * @deprecated Use resolution instead.\n * @param {Number} value - The resolution.\n */\n setResolution(value) {\n this.resolution = value;\n }\n /**\n * Indicates whether this pass uses adaptive luminance.\n *\n * @type {Boolean}\n * @deprecated Use mode instead.\n */\n get adaptive() {\n return this.mode === ToneMappingMode.REINHARD2_ADAPTIVE;\n }\n set adaptive(value) {\n this.mode = value ? ToneMappingMode.REINHARD2_ADAPTIVE : ToneMappingMode.REINHARD2;\n }\n /**\n * The luminance adaptation rate.\n *\n * @type {Number}\n * @deprecated Use adaptiveLuminanceMaterial.adaptationRate instead.\n */\n get adaptationRate() {\n return this.adaptiveLuminanceMaterial.adaptationRate;\n }\n set adaptationRate(value) {\n this.adaptiveLuminanceMaterial.adaptationRate = value;\n }\n /**\n * @type {Number}\n * @deprecated\n */\n get distinction() {\n console.warn(this.name, \"distinction was removed.\");\n return 1;\n }\n set distinction(value) {\n console.warn(this.name, \"distinction was removed.\");\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n if (this.adaptiveLuminancePass.enabled) {\n this.luminancePass.render(renderer, inputBuffer);\n this.adaptiveLuminancePass.render(renderer, null, null, deltaTime);\n }\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n this.adaptiveLuminancePass.initialize(renderer, alpha, frameBufferType);\n }\n};\n\n// src/effects/VignetteEffect.js\nimport { Uniform as Uniform46 } from \"three\";\n\n// src/effects/glsl/vignette.frag\nvar vignette_default = \"uniform float offset;uniform float darkness;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){const vec2 center=vec2(0.5);vec3 color=inputColor.rgb;\\n#if VIGNETTE_TECHNIQUE == 0\\nfloat d=distance(uv,center);color*=smoothstep(0.8,offset*0.799,d*(darkness+offset));\\n#else\\nvec2 coord=(uv-center)*vec2(offset);color=mix(color,vec3(1.0-darkness),dot(coord,coord));\\n#endif\\noutputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/VignetteEffect.js\nvar VignetteEffect = class extends Effect {\n /**\n * Constructs a new Vignette effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction] - The blend function of this effect.\n * @param {VignetteTechnique} [options.technique=VignetteTechnique.DEFAULT] - The Vignette technique.\n * @param {Boolean} [options.eskil=false] - Deprecated. Use technique instead.\n * @param {Number} [options.offset=0.5] - The Vignette offset.\n * @param {Number} [options.darkness=0.5] - The Vignette darkness.\n */\n constructor({\n blendFunction,\n eskil = false,\n technique = eskil ? VignetteTechnique.ESKIL : VignetteTechnique.DEFAULT,\n offset = 0.5,\n darkness = 0.5\n } = {}) {\n super(\"VignetteEffect\", vignette_default, {\n blendFunction,\n defines: /* @__PURE__ */ new Map([\n [\"VIGNETTE_TECHNIQUE\", technique.toFixed(0)]\n ]),\n uniforms: /* @__PURE__ */ new Map([\n [\"offset\", new Uniform46(offset)],\n [\"darkness\", new Uniform46(darkness)]\n ])\n });\n }\n /**\n * The Vignette technique.\n *\n * @type {VignetteTechnique}\n */\n get technique() {\n return Number(this.defines.get(\"VIGNETTE_TECHNIQUE\"));\n }\n set technique(value) {\n if (this.technique !== value) {\n this.defines.set(\"VIGNETTE_TECHNIQUE\", value.toFixed(0));\n this.setChanged();\n }\n }\n /**\n * Indicates whether Eskil's Vignette technique is enabled.\n *\n * @type {Boolean}\n * @deprecated Use technique instead.\n */\n get eskil() {\n return this.technique === VignetteTechnique.ESKIL;\n }\n /**\n * Indicates whether Eskil's Vignette technique is enabled.\n *\n * @type {Boolean}\n * @deprecated Use technique instead.\n */\n set eskil(value) {\n this.technique = value ? VignetteTechnique.ESKIL : VignetteTechnique.DEFAULT;\n }\n /**\n * Returns the Vignette technique.\n *\n * @deprecated Use technique instead.\n * @return {VignetteTechnique} The technique.\n */\n getTechnique() {\n return this.technique;\n }\n /**\n * Sets the Vignette technique.\n *\n * @deprecated Use technique instead.\n * @param {VignetteTechnique} value - The technique.\n */\n setTechnique(value) {\n this.technique = value;\n }\n /**\n * The Vignette offset.\n *\n * @type {Number}\n */\n get offset() {\n return this.uniforms.get(\"offset\").value;\n }\n set offset(value) {\n this.uniforms.get(\"offset\").value = value;\n }\n /**\n * Returns the Vignette offset.\n *\n * @deprecated Use offset instead.\n * @return {Number} The offset.\n */\n getOffset() {\n return this.offset;\n }\n /**\n * Sets the Vignette offset.\n *\n * @deprecated Use offset instead.\n * @param {Number} value - The offset.\n */\n setOffset(value) {\n this.offset = value;\n }\n /**\n * The Vignette darkness.\n *\n * @type {Number}\n */\n get darkness() {\n return this.uniforms.get(\"darkness\").value;\n }\n set darkness(value) {\n this.uniforms.get(\"darkness\").value = value;\n }\n /**\n * Returns the Vignette darkness.\n *\n * @deprecated Use darkness instead.\n * @return {Number} The darkness.\n */\n getDarkness() {\n return this.darkness;\n }\n /**\n * Sets the Vignette darkness.\n *\n * @deprecated Use darkness instead.\n * @param {Number} value - The darkness.\n */\n setDarkness(value) {\n this.darkness = value;\n }\n};\n\n// src/loaders/LUT3dlLoader.js\nimport { FileLoader, Loader, LoadingManager as LoadingManager2 } from \"three\";\nvar LUT3dlLoader = class extends Loader {\n /**\n * Loads a LUT.\n *\n * @param {String} url - The URL of the 3dl-file.\n * @param {Function} [onLoad] - A callback that receives the loaded lookup texture.\n * @param {Function} [onProgress] - A progress callback that receives the XMLHttpRequest instance.\n * @param {Function} [onError] - An error callback that receives the URL of the file that failed to load.\n * @return {Promise} A promise that returns the lookup texture.\n */\n load(url, onLoad = () => {\n }, onProgress = () => {\n }, onError = null) {\n const externalManager = this.manager;\n const internalManager = new LoadingManager2();\n const loader = new FileLoader(internalManager);\n loader.setPath(this.path);\n loader.setResponseType(\"text\");\n return new Promise((resolve, reject) => {\n internalManager.onError = (url2) => {\n externalManager.itemError(url2);\n if (onError !== null) {\n onError(`Failed to load ${url2}`);\n resolve();\n } else {\n reject(`Failed to load ${url2}`);\n }\n };\n externalManager.itemStart(url);\n loader.load(url, (data) => {\n try {\n const result = this.parse(data);\n externalManager.itemEnd(url);\n onLoad(result);\n resolve(result);\n } catch (e) {\n console.error(e);\n internalManager.onError(url);\n }\n }, onProgress);\n });\n }\n /**\n * Parses the given data.\n *\n * @param {String} input - The LUT data.\n * @return {LookupTexture} The lookup texture.\n * @throws {Error} Fails if the data is invalid.\n */\n parse(input) {\n const regExpGridInfo = /^[\\d ]+$/m;\n const regExpDataPoints = /^([\\d.e+-]+) +([\\d.e+-]+) +([\\d.e+-]+) *$/gm;\n let result = regExpGridInfo.exec(input);\n if (result === null) {\n throw new Error(\"Missing grid information\");\n }\n const gridLines = result[0].trim().split(/\\s+/g).map((n) => Number(n));\n const gridStep = gridLines[1] - gridLines[0];\n const size = gridLines.length;\n const sizeSq = size ** 2;\n for (let i = 1, l = gridLines.length; i < l; ++i) {\n if (gridStep !== gridLines[i] - gridLines[i - 1]) {\n throw new Error(\"Inconsistent grid size\");\n }\n }\n const data = new Float32Array(size ** 3 * 4);\n let maxValue = 0;\n let index = 0;\n while ((result = regExpDataPoints.exec(input)) !== null) {\n const r = Number(result[1]);\n const g = Number(result[2]);\n const b = Number(result[3]);\n maxValue = Math.max(maxValue, r, g, b);\n const bLayer = index % size;\n const gLayer = Math.floor(index / size) % size;\n const rLayer = Math.floor(index / sizeSq) % size;\n const d4 = (bLayer * sizeSq + gLayer * size + rLayer) * 4;\n data[d4 + 0] = r;\n data[d4 + 1] = g;\n data[d4 + 2] = b;\n data[d4 + 3] = 1;\n ++index;\n }\n const bits = Math.ceil(Math.log2(maxValue));\n const maxBitValue = Math.pow(2, bits);\n for (let i = 0, l = data.length; i < l; i += 4) {\n data[i + 0] /= maxBitValue;\n data[i + 1] /= maxBitValue;\n data[i + 2] /= maxBitValue;\n }\n return new LookupTexture(data, size);\n }\n};\n\n// src/loaders/LUTCubeLoader.js\nimport { FileLoader as FileLoader2, Loader as Loader2, LoadingManager as LoadingManager3, Vector3 as Vector37 } from \"three\";\nvar LUTCubeLoader = class extends Loader2 {\n /**\n * Loads a LUT.\n *\n * @param {String} url - The URL of the CUBE-file.\n * @param {Function} [onLoad] - A callback that receives the loaded lookup texture.\n * @param {Function} [onProgress] - A progress callback that receives the XMLHttpRequest instance.\n * @param {Function} [onError] - An error callback that receives the URL of the file that failed to load.\n * @return {Promise} A promise that returns the lookup texture.\n */\n load(url, onLoad = () => {\n }, onProgress = () => {\n }, onError = null) {\n const externalManager = this.manager;\n const internalManager = new LoadingManager3();\n const loader = new FileLoader2(internalManager);\n loader.setPath(this.path);\n loader.setResponseType(\"text\");\n return new Promise((resolve, reject) => {\n internalManager.onError = (url2) => {\n externalManager.itemError(url2);\n if (onError !== null) {\n onError(`Failed to load ${url2}`);\n resolve();\n } else {\n reject(`Failed to load ${url2}`);\n }\n };\n externalManager.itemStart(url);\n loader.load(url, (data) => {\n try {\n const result = this.parse(data);\n externalManager.itemEnd(url);\n onLoad(result);\n resolve(result);\n } catch (e) {\n console.error(e);\n internalManager.onError(url);\n }\n }, onProgress);\n });\n }\n /**\n * Parses the given data.\n *\n * @param {String} input - The LUT data.\n * @return {LookupTexture} The lookup texture.\n * @throws {Error} Fails if the data is invalid.\n */\n parse(input) {\n const regExpTitle = /TITLE +\"([^\"]*)\"/;\n const regExpSize = /LUT_3D_SIZE +(\\d+)/;\n const regExpDomainMin = /DOMAIN_MIN +([\\d.]+) +([\\d.]+) +([\\d.]+)/;\n const regExpDomainMax = /DOMAIN_MAX +([\\d.]+) +([\\d.]+) +([\\d.]+)/;\n const regExpDataPoints = /^([\\d.e+-]+) +([\\d.e+-]+) +([\\d.e+-]+) *$/gm;\n let result = regExpTitle.exec(input);\n const title = result !== null ? result[1] : null;\n result = regExpSize.exec(input);\n if (result === null) {\n throw new Error(\"Missing LUT_3D_SIZE information\");\n }\n const size = Number(result[1]);\n const data = new Float32Array(size ** 3 * 4);\n const domainMin = new Vector37(0, 0, 0);\n const domainMax = new Vector37(1, 1, 1);\n result = regExpDomainMin.exec(input);\n if (result !== null) {\n domainMin.set(Number(result[1]), Number(result[2]), Number(result[3]));\n }\n result = regExpDomainMax.exec(input);\n if (result !== null) {\n domainMax.set(Number(result[1]), Number(result[2]), Number(result[3]));\n }\n if (domainMin.x > domainMax.x || domainMin.y > domainMax.y || domainMin.z > domainMax.z) {\n domainMin.set(0, 0, 0);\n domainMax.set(1, 1, 1);\n throw new Error(\"Invalid input domain\");\n }\n let i = 0;\n while ((result = regExpDataPoints.exec(input)) !== null) {\n data[i++] = Number(result[1]);\n data[i++] = Number(result[2]);\n data[i++] = Number(result[3]);\n data[i++] = 1;\n }\n const lut = new LookupTexture(data, size);\n lut.domainMin.copy(domainMin);\n lut.domainMax.copy(domainMax);\n if (title !== null) {\n lut.name = title;\n }\n return lut;\n }\n};\n\n// src/loaders/SMAAImageLoader.js\nimport { Loader as Loader3, LoadingManager as LoadingManager4 } from \"three\";\nvar SMAAImageLoader = class extends Loader3 {\n /**\n * Loads the SMAA data images.\n *\n * @param {Function} [onLoad] - A callback that receives the search image and area image as a pair.\n * @param {Function} [onError] - An error callback that receives the URL of the image that failed to load.\n * @return {Promise} A promise that returns the search image and area image as a pair.\n */\n load(onLoad = () => {\n }, onError = null) {\n if (arguments.length === 4) {\n onLoad = arguments[1];\n onError = arguments[3];\n } else if (arguments.length === 3 || typeof arguments[0] !== \"function\") {\n onLoad = arguments[1];\n onError = null;\n }\n const externalManager = this.manager;\n const internalManager = new LoadingManager4();\n return new Promise((resolve, reject) => {\n const searchImage = new Image();\n const areaImage = new Image();\n internalManager.onError = (url) => {\n externalManager.itemError(url);\n if (onError !== null) {\n onError(`Failed to load ${url}`);\n resolve();\n } else {\n reject(`Failed to load ${url}`);\n }\n };\n internalManager.onLoad = () => {\n const result = [searchImage, areaImage];\n onLoad(result);\n resolve(result);\n };\n searchImage.addEventListener(\"error\", (e) => {\n internalManager.itemError(\"smaa-search\");\n });\n areaImage.addEventListener(\"error\", (e) => {\n internalManager.itemError(\"smaa-area\");\n });\n searchImage.addEventListener(\"load\", () => {\n externalManager.itemEnd(\"smaa-search\");\n internalManager.itemEnd(\"smaa-search\");\n });\n areaImage.addEventListener(\"load\", () => {\n externalManager.itemEnd(\"smaa-area\");\n internalManager.itemEnd(\"smaa-area\");\n });\n externalManager.itemStart(\"smaa-search\");\n externalManager.itemStart(\"smaa-area\");\n internalManager.itemStart(\"smaa-search\");\n internalManager.itemStart(\"smaa-area\");\n searchImage.src = searchImageDataURL_default;\n areaImage.src = areaImageDataURL_default;\n });\n }\n};\n\n// src/materials/BoxBlurMaterial.js\nimport { NoBlending as NoBlending18, PerspectiveCamera as PerspectiveCamera5, ShaderMaterial as ShaderMaterial19, Uniform as Uniform47, Vector2 as Vector224 } from \"three\";\n\n// src/materials/glsl/convolution.box.frag\nvar convolution_box_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#ifdef BILATERAL\\n#include \\nuniform vec2 cameraNearFar;\\n#ifdef NORMAL_DEPTH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){return texture2D(normalDepthBuffer,uv).a;}\\n#else\\n#if DEPTH_PACKING == 3201\\nuniform lowp sampler2D depthBuffer;\\n#elif defined(GL_FRAGMENT_PRECISION_HIGH)\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}\\n#endif\\nfloat getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#endif\\n}\\n#ifdef PERSPECTIVE_CAMERA\\n#define linearDepth(v) viewZToOrthographicDepth(getViewZ(readDepth(v)), cameraNearFar.x, cameraNearFar.y)\\n#else\\n#define linearDepth(v) readDepth(v)\\n#endif\\n#endif\\n#define getTexel(v) texture2D(inputBuffer, v)\\n#if KERNEL_SIZE == 3\\nvarying vec2 vUv00,vUv01,vUv02;varying vec2 vUv03,vUv04,vUv05;varying vec2 vUv06,vUv07,vUv08;\\n#elif KERNEL_SIZE == 5 && MAX_VARYING_VECTORS >= 13\\nvarying vec2 vUv00,vUv01,vUv02,vUv03,vUv04;varying vec2 vUv05,vUv06,vUv07,vUv08,vUv09;varying vec2 vUv10,vUv11,vUv12,vUv13,vUv14;varying vec2 vUv15,vUv16,vUv17,vUv18,vUv19;varying vec2 vUv20,vUv21,vUv22,vUv23,vUv24;\\n#else\\nuniform vec2 texelSize;uniform float scale;varying vec2 vUv;\\n#endif\\nvoid main(){\\n#if KERNEL_SIZE == 3\\nvec4 c[]=vec4[KERNEL_SIZE_SQ](getTexel(vUv00),getTexel(vUv01),getTexel(vUv02),getTexel(vUv03),getTexel(vUv04),getTexel(vUv05),getTexel(vUv06),getTexel(vUv07),getTexel(vUv08));\\n#ifdef BILATERAL\\nfloat z[]=float[KERNEL_SIZE_SQ](linearDepth(vUv00),linearDepth(vUv01),linearDepth(vUv02),linearDepth(vUv03),linearDepth(vUv04),linearDepth(vUv05),linearDepth(vUv06),linearDepth(vUv07),linearDepth(vUv08));\\n#endif\\n#elif KERNEL_SIZE == 5 && MAX_VARYING_VECTORS >= 13\\nvec4 c[]=vec4[KERNEL_SIZE_SQ](getTexel(vUv00),getTexel(vUv01),getTexel(vUv02),getTexel(vUv03),getTexel(vUv04),getTexel(vUv05),getTexel(vUv06),getTexel(vUv07),getTexel(vUv08),getTexel(vUv09),getTexel(vUv10),getTexel(vUv11),getTexel(vUv12),getTexel(vUv13),getTexel(vUv14),getTexel(vUv15),getTexel(vUv16),getTexel(vUv17),getTexel(vUv18),getTexel(vUv19),getTexel(vUv20),getTexel(vUv21),getTexel(vUv22),getTexel(vUv23),getTexel(vUv24));\\n#ifdef BILATERAL\\nfloat z[]=float[KERNEL_SIZE_SQ](linearDepth(vUv00),linearDepth(vUv01),linearDepth(vUv02),linearDepth(vUv03),linearDepth(vUv04),linearDepth(vUv05),linearDepth(vUv06),linearDepth(vUv07),linearDepth(vUv08),linearDepth(vUv09),linearDepth(vUv10),linearDepth(vUv11),linearDepth(vUv12),linearDepth(vUv13),linearDepth(vUv14),linearDepth(vUv15),linearDepth(vUv16),linearDepth(vUv17),linearDepth(vUv18),linearDepth(vUv19),linearDepth(vUv20),linearDepth(vUv21),linearDepth(vUv22),linearDepth(vUv23),linearDepth(vUv24));\\n#endif\\n#endif\\nvec4 result=vec4(0.0);\\n#ifdef BILATERAL\\nfloat w=0.0;\\n#if KERNEL_SIZE == 3 || (KERNEL_SIZE == 5 && MAX_VARYING_VECTORS >= 13)\\nfloat centerDepth=z[KERNEL_SIZE_SQ_HALF];for(int i=0;i= 13)\\nfor(int i=0;i= 13\\nvarying vec2 vUv00,vUv01,vUv02,vUv03,vUv04;varying vec2 vUv05,vUv06,vUv07,vUv08,vUv09;varying vec2 vUv10,vUv11,vUv12,vUv13,vUv14;varying vec2 vUv15,vUv16,vUv17,vUv18,vUv19;varying vec2 vUv20,vUv21,vUv22,vUv23,vUv24;\\n#else\\nvarying vec2 vUv;\\n#endif\\nvoid main(){vec2 uv=position.xy*0.5+0.5;\\n#if KERNEL_SIZE == 3\\nvec2 s=texelSize*scale;vUv00=uv+s*vec2(-1.0,-1.0);vUv01=uv+s*vec2(0.0,-1.0);vUv02=uv+s*vec2(1.0,-1.0);vUv03=uv+s*vec2(-1.0,0.0);vUv04=uv;vUv05=uv+s*vec2(1.0,0.0);vUv06=uv+s*vec2(-1.0,1.0);vUv07=uv+s*vec2(0.0,1.0);vUv08=uv+s*vec2(1.0,1.0);\\n#elif KERNEL_SIZE == 5\\nvec2 s=texelSize*scale;vUv00=uv+s*vec2(-2.0,-2.0);vUv01=uv+s*vec2(-1.0,-2.0);vUv02=uv+s*vec2(0.0,-2.0);vUv03=uv+s*vec2(1.0,-2.0);vUv04=uv+s*vec2(2.0,-2.0);vUv05=uv+s*vec2(-2.0,-1.0);vUv06=uv+s*vec2(-1.0,-1.0);vUv07=uv+s*vec2(0.0,-1.0);vUv08=uv+s*vec2(1.0,-1.0);vUv09=uv+s*vec2(2.0,-1.0);vUv10=uv+s*vec2(-2.0,0.0);vUv11=uv+s*vec2(-1.0,0.0);vUv12=uv;vUv13=uv+s*vec2(1.0,0.0);vUv14=uv+s*vec2(2.0,0.0);vUv15=uv+s*vec2(-2.0,1.0);vUv16=uv+s*vec2(-1.0,1.0);vUv17=uv+s*vec2(0.0,1.0);vUv18=uv+s*vec2(1.0,1.0);vUv19=uv+s*vec2(2.0,1.0);vUv20=uv+s*vec2(-2.0,2.0);vUv21=uv+s*vec2(-1.0,2.0);vUv22=uv+s*vec2(0.0,2.0);vUv23=uv+s*vec2(1.0,2.0);vUv24=uv+s*vec2(2.0,2.0);\\n#else\\nvUv=uv;\\n#endif\\ngl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/BoxBlurMaterial.js\nvar BoxBlurMaterial = class extends ShaderMaterial19 {\n /**\n * Constructs a new box blur material.\n *\n * @param {Object} [options] - The options.\n * @param {Number} [options.bilateral=false] - Enables or disables bilateral blurring.\n * @param {Number} [options.kernelSize=5] - The kernel size.\n */\n constructor({ bilateral = false, kernelSize = 5 } = {}) {\n super({\n name: \"BoxBlurMaterial\",\n defines: {\n DEPTH_PACKING: \"0\",\n DISTANCE_THRESHOLD: \"0.1\"\n },\n uniforms: {\n inputBuffer: new Uniform47(null),\n depthBuffer: new Uniform47(null),\n normalDepthBuffer: new Uniform47(null),\n texelSize: new Uniform47(new Vector224()),\n cameraNearFar: new Uniform47(new Vector224()),\n scale: new Uniform47(1)\n },\n blending: NoBlending18,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_box_default,\n vertexShader: convolution_box_default2\n });\n this.bilateral = bilateral;\n this.kernelSize = kernelSize;\n this.maxVaryingVectors = 8;\n }\n /**\n * The maximum amount of varying vectors.\n *\n * Should be synced with `renderer.capabilities.maxVaryings`. Default is 8.\n *\n * @type {Number}\n */\n set maxVaryingVectors(value) {\n this.defines.MAX_VARYING_VECTORS = value.toFixed(0);\n }\n /**\n * The kernel size.\n *\n * - Must be an odd number\n * - Kernel size 3 and 5 use optimized code paths\n * - Default is 5\n *\n * @type {Number}\n */\n get kernelSize() {\n return Number(this.defines.KERNEL_SIZE);\n }\n set kernelSize(value) {\n if (value % 2 === 0) {\n throw new Error(\"The kernel size must be an odd number\");\n }\n this.defines.KERNEL_SIZE = value.toFixed(0);\n this.defines.KERNEL_SIZE_HALF = Math.floor(value / 2).toFixed(0);\n this.defines.KERNEL_SIZE_SQ = (value ** 2).toFixed(0);\n this.defines.KERNEL_SIZE_SQ_HALF = Math.floor(value ** 2 / 2).toFixed(0);\n this.defines.INV_KERNEL_SIZE_SQ = (1 / value ** 2).toFixed(6);\n this.needsUpdate = true;\n }\n /**\n * The blur scale.\n *\n * @type {Number}\n */\n get scale() {\n return this.uniforms.scale.value;\n }\n set scale(value) {\n this.uniforms.scale.value = value;\n }\n /**\n * The current near plane setting.\n *\n * @type {Number}\n * @private\n */\n get near() {\n return this.uniforms.cameraNearFar.value.x;\n }\n /**\n * The current far plane setting.\n *\n * @type {Number}\n * @private\n */\n get far() {\n return this.uniforms.cameraNearFar.value.y;\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * The depth buffer.\n *\n * @type {Texture}\n */\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n /**\n * A combined normal-depth buffer. Overrides {@link depthBuffer} if set.\n *\n * @type {Texture}\n */\n set normalDepthBuffer(value) {\n this.uniforms.normalDepthBuffer.value = value;\n if (value !== null) {\n this.defines.NORMAL_DEPTH = \"1\";\n } else {\n delete this.defines.NORMAL_DEPTH;\n }\n this.needsUpdate = true;\n }\n /**\n * The depth packing strategy.\n *\n * @type {DepthPackingStrategies}\n */\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Indicates whether bilateral filtering is enabled.\n *\n * @type {Boolean}\n */\n get bilateral() {\n return this.defines.BILATERAL !== void 0;\n }\n set bilateral(value) {\n if (value !== null) {\n this.defines.BILATERAL = \"1\";\n } else {\n delete this.defines.BILATERAL;\n }\n this.needsUpdate = true;\n }\n /**\n * The bilateral filter distance threshold in world units.\n *\n * @type {Number}\n */\n get worldDistanceThreshold() {\n return -orthographicDepthToViewZ(Number(this.defines.DISTANCE_THRESHOLD), this.near, this.far);\n }\n set worldDistanceThreshold(value) {\n const threshold = viewZToOrthographicDepth(-value, this.near, this.far);\n this.defines.DISTANCE_THRESHOLD = threshold.toFixed(12);\n this.needsUpdate = true;\n }\n /**\n * Copies the settings of the given camera.\n *\n * @param {Camera} camera - A camera.\n */\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNearFar.value.set(camera.near, camera.far);\n if (camera instanceof PerspectiveCamera5) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/DepthCopyMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking14, NoBlending as NoBlending19, ShaderMaterial as ShaderMaterial20, Uniform as Uniform48, Vector2 as Vector225 } from \"three\";\n\n// src/materials/glsl/depth-copy.frag\nvar depth_copy_default = \"#include \\nvarying vec2 vUv;\\n#ifdef NORMAL_DEPTH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){return texture2D(normalDepthBuffer,uv).a;}\\n#else\\n#if INPUT_DEPTH_PACKING == 3201\\nuniform lowp sampler2D depthBuffer;\\n#elif defined(GL_FRAGMENT_PRECISION_HIGH)\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if INPUT_DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}\\n#endif\\nvoid main(){\\n#if INPUT_DEPTH_PACKING == OUTPUT_DEPTH_PACKING\\ngl_FragColor=texture2D(depthBuffer,vUv);\\n#else\\nfloat depth=readDepth(vUv);\\n#if OUTPUT_DEPTH_PACKING == 3201\\ngl_FragColor=(depth==1.0)?vec4(1.0):packDepthToRGBA(depth);\\n#else\\ngl_FragColor=vec4(vec3(depth),1.0);\\n#endif\\n#endif\\n}\";\n\n// src/materials/glsl/depth-copy.vert\nvar depth_copy_default2 = \"varying vec2 vUv;\\n#if DEPTH_COPY_MODE == 1\\nuniform vec2 texelPosition;\\n#endif\\nvoid main(){\\n#if DEPTH_COPY_MODE == 1\\nvUv=texelPosition;\\n#else\\nvUv=position.xy*0.5+0.5;\\n#endif\\ngl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/DepthCopyMaterial.js\nvar DepthCopyMaterial = class extends ShaderMaterial20 {\n /**\n * Constructs a new depth copy material.\n */\n constructor() {\n super({\n name: \"DepthCopyMaterial\",\n defines: {\n INPUT_DEPTH_PACKING: \"0\",\n OUTPUT_DEPTH_PACKING: \"0\",\n DEPTH_COPY_MODE: \"0\"\n },\n uniforms: {\n depthBuffer: new Uniform48(null),\n texelPosition: new Uniform48(new Vector225())\n },\n blending: NoBlending19,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: depth_copy_default,\n vertexShader: depth_copy_default2\n });\n this.depthCopyMode = DepthCopyMode.FULL;\n }\n /**\n * The input depth buffer.\n *\n * @type {Texture}\n */\n get depthBuffer() {\n return this.uniforms.depthBuffer.value;\n }\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n /**\n * The input depth packing strategy.\n *\n * @type {DepthPackingStrategies}\n */\n set inputDepthPacking(value) {\n this.defines.INPUT_DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * The output depth packing strategy.\n *\n * @type {DepthPackingStrategies}\n */\n get outputDepthPacking() {\n return Number(this.defines.OUTPUT_DEPTH_PACKING);\n }\n set outputDepthPacking(value) {\n this.defines.OUTPUT_DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the input depth buffer.\n *\n * @deprecated Use depthBuffer and inputDepthPacking instead.\n * @param {Texture} buffer - The depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing strategy.\n */\n setDepthBuffer(buffer, depthPacking = BasicDepthPacking14) {\n this.depthBuffer = buffer;\n this.inputDepthPacking = depthPacking;\n }\n /**\n * Returns the current input depth packing strategy.\n *\n * @deprecated\n * @return {DepthPackingStrategies} The input depth packing strategy.\n */\n getInputDepthPacking() {\n return Number(this.defines.INPUT_DEPTH_PACKING);\n }\n /**\n * Sets the input depth packing strategy.\n *\n * @deprecated Use inputDepthPacking instead.\n * @param {DepthPackingStrategies} value - The new input depth packing strategy.\n */\n setInputDepthPacking(value) {\n this.defines.INPUT_DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Returns the current output depth packing strategy.\n *\n * @deprecated Use outputDepthPacking instead.\n * @return {DepthPackingStrategies} The output depth packing strategy.\n */\n getOutputDepthPacking() {\n return Number(this.defines.OUTPUT_DEPTH_PACKING);\n }\n /**\n * Sets the output depth packing strategy.\n *\n * @deprecated Use outputDepthPacking instead.\n * @param {DepthPackingStrategies} value - The new output depth packing strategy.\n */\n setOutputDepthPacking(value) {\n this.defines.OUTPUT_DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * The screen space position used for single-texel copy operations.\n *\n * @type {Vector2}\n */\n get texelPosition() {\n return this.uniforms.texelPosition.value;\n }\n /**\n * Returns the screen space position used for single-texel copy operations.\n *\n * @deprecated Use texelPosition instead.\n * @return {Vector2} The position.\n */\n getTexelPosition() {\n return this.uniforms.texelPosition.value;\n }\n /**\n * Sets the screen space position used for single-texel copy operations.\n *\n * @deprecated\n * @param {Vector2} value - The position.\n */\n setTexelPosition(value) {\n this.uniforms.texelPosition.value = value;\n }\n /**\n * The depth copy mode.\n *\n * @type {DepthCopyMode}\n */\n get mode() {\n return this.depthCopyMode;\n }\n set mode(value) {\n this.depthCopyMode = value;\n this.defines.DEPTH_COPY_MODE = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Returns the depth copy mode.\n *\n * @deprecated Use mode instead.\n * @return {DepthCopyMode} The depth copy mode.\n */\n getMode() {\n return this.mode;\n }\n /**\n * Sets the depth copy mode.\n *\n * @deprecated Use mode instead.\n * @param {DepthCopyMode} value - The new mode.\n */\n setMode(value) {\n this.mode = value;\n }\n};\n\n// src/materials/EffectMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking15, NoBlending as NoBlending20, PerspectiveCamera as PerspectiveCamera6, REVISION as REVISION4, ShaderMaterial as ShaderMaterial21, Uniform as Uniform49, Vector2 as Vector226 } from \"three\";\n\n// src/materials/glsl/effect.frag\nvar effect_default = \"#include \\n#include \\n#include \\n#define packFloatToRGBA(v) packDepthToRGBA(v)\\n#define unpackRGBAToFloat(v) unpackRGBAToDepth(v)\\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#if DEPTH_PACKING == 3201\\nuniform lowp sampler2D depthBuffer;\\n#elif defined(GL_FRAGMENT_PRECISION_HIGH)\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nuniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv;vec4 sRGBToLinear(const in vec4 value){return vec4(mix(pow(value.rgb*0.9478672986+vec3(0.0521327014),vec3(2.4)),value.rgb*0.0773993808,vec3(lessThanEqual(value.rgb,vec3(0.04045)))),value.a);}float readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}float getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNear,cameraFar);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNear,cameraFar);\\n#endif\\n}vec3 RGBToHCV(const in vec3 RGB){vec4 P=mix(vec4(RGB.bg,-1.0,2.0/3.0),vec4(RGB.gb,0.0,-1.0/3.0),step(RGB.b,RGB.g));vec4 Q=mix(vec4(P.xyw,RGB.r),vec4(RGB.r,P.yzx),step(P.x,RGB.r));float C=Q.x-min(Q.w,Q.y);float H=abs((Q.w-Q.y)/(6.0*C+EPSILON)+Q.z);return vec3(H,C,Q.x);}vec3 RGBToHSL(const in vec3 RGB){vec3 HCV=RGBToHCV(RGB);float L=HCV.z-HCV.y*0.5;float S=HCV.y/(1.0-abs(L*2.0-1.0)+EPSILON);return vec3(HCV.x,S,L);}vec3 HueToRGB(const in float H){float R=abs(H*6.0-3.0)-1.0;float G=2.0-abs(H*6.0-2.0);float B=2.0-abs(H*6.0-4.0);return clamp(vec3(R,G,B),0.0,1.0);}vec3 HSLToRGB(const in vec3 HSL){vec3 RGB=HueToRGB(HSL.x);float C=(1.0-abs(2.0*HSL.z-1.0))*HSL.y;return(RGB-0.5)*C+HSL.z;}FRAGMENT_HEAD void main(){FRAGMENT_MAIN_UV vec4 color0=texture2D(inputBuffer,UV);vec4 color1=vec4(0.0);FRAGMENT_MAIN_IMAGE color0.a=clamp(color0.a,0.0,1.0);gl_FragColor=color0;\\n#ifdef ENCODE_OUTPUT\\n#include \\n#endif\\n#include \\n}\";\n\n// src/materials/glsl/effect.vert\nvar effect_default2 = \"uniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv;VERTEX_HEAD void main(){vUv=position.xy*0.5+0.5;VERTEX_MAIN_SUPPORT gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/EffectMaterial.js\nvar EffectMaterial = class extends ShaderMaterial21 {\n /**\n * Constructs a new effect material.\n *\n * @param {Map} [shaderParts] - Deprecated. Use setShaderData instead.\n * @param {Map} [defines] - Deprecated. Use setShaderData instead.\n * @param {Map} [uniforms] - Deprecated. Use setShaderData instead.\n * @param {Camera} [camera] - A camera.\n * @param {Boolean} [dithering=false] - Deprecated.\n */\n constructor(shaderParts, defines, uniforms, camera, dithering = false) {\n super({\n name: \"EffectMaterial\",\n defines: {\n THREE_REVISION: REVISION4.replace(/\\D+/g, \"\"),\n DEPTH_PACKING: \"0\",\n ENCODE_OUTPUT: \"1\"\n },\n uniforms: {\n inputBuffer: new Uniform49(null),\n depthBuffer: new Uniform49(null),\n resolution: new Uniform49(new Vector226()),\n texelSize: new Uniform49(new Vector226()),\n cameraNear: new Uniform49(0.3),\n cameraFar: new Uniform49(1e3),\n aspect: new Uniform49(1),\n time: new Uniform49(0)\n },\n blending: NoBlending20,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n dithering\n });\n if (shaderParts) {\n this.setShaderParts(shaderParts);\n }\n if (defines) {\n this.setDefines(defines);\n }\n if (uniforms) {\n this.setUniforms(uniforms);\n }\n this.copyCameraSettings(camera);\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the input buffer.\n *\n * @deprecated Use inputBuffer instead.\n * @param {Texture} value - The input buffer.\n */\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * The depth buffer.\n *\n * @type {Texture}\n */\n get depthBuffer() {\n return this.uniforms.depthBuffer.value;\n }\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n /**\n * The depth packing strategy.\n *\n * @type {DepthPackingStrategies}\n */\n get depthPacking() {\n return Number(this.defines.DEPTH_PACKING);\n }\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the depth buffer.\n *\n * @deprecated Use depthBuffer and depthPacking instead.\n * @param {Texture} buffer - The depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing strategy.\n */\n setDepthBuffer(buffer, depthPacking = BasicDepthPacking15) {\n this.depthBuffer = buffer;\n this.depthPacking = depthPacking;\n }\n /**\n * Sets the shader data.\n *\n * @param {EffectShaderData} data - The shader data.\n * @return {EffectMaterial} This material.\n */\n setShaderData(data) {\n this.setShaderParts(data.shaderParts);\n this.setDefines(data.defines);\n this.setUniforms(data.uniforms);\n this.setExtensions(data.extensions);\n }\n /**\n * Sets the shader parts.\n *\n * @deprecated Use setShaderData instead.\n * @param {Map} shaderParts - A collection of shader snippets. See {@link EffectShaderSection}.\n * @return {EffectMaterial} This material.\n */\n setShaderParts(shaderParts) {\n this.fragmentShader = effect_default.replace(EffectShaderSection.FRAGMENT_HEAD, shaderParts.get(EffectShaderSection.FRAGMENT_HEAD) || \"\").replace(EffectShaderSection.FRAGMENT_MAIN_UV, shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_UV) || \"\").replace(EffectShaderSection.FRAGMENT_MAIN_IMAGE, shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_IMAGE) || \"\");\n this.vertexShader = effect_default2.replace(EffectShaderSection.VERTEX_HEAD, shaderParts.get(EffectShaderSection.VERTEX_HEAD) || \"\").replace(EffectShaderSection.VERTEX_MAIN_SUPPORT, shaderParts.get(EffectShaderSection.VERTEX_MAIN_SUPPORT) || \"\");\n this.needsUpdate = true;\n return this;\n }\n /**\n * Sets the shader macros.\n *\n * @deprecated Use setShaderData instead.\n * @param {Map} defines - A collection of preprocessor macro definitions.\n * @return {EffectMaterial} This material.\n */\n setDefines(defines) {\n for (const entry of defines.entries()) {\n this.defines[entry[0]] = entry[1];\n }\n this.needsUpdate = true;\n return this;\n }\n /**\n * Sets the shader uniforms.\n *\n * @deprecated Use setShaderData instead.\n * @param {Map} uniforms - A collection of uniforms.\n * @return {EffectMaterial} This material.\n */\n setUniforms(uniforms) {\n for (const entry of uniforms.entries()) {\n this.uniforms[entry[0]] = entry[1];\n }\n return this;\n }\n /**\n * Sets the required shader extensions.\n *\n * @deprecated Use setShaderData instead.\n * @param {Set} extensions - A collection of extensions.\n * @return {EffectMaterial} This material.\n */\n setExtensions(extensions) {\n this.extensions = {};\n for (const extension of extensions) {\n this.extensions[extension] = true;\n }\n return this;\n }\n /**\n * Indicates whether output encoding is enabled.\n *\n * @type {Boolean}\n */\n get encodeOutput() {\n return this.defines.ENCODE_OUTPUT !== void 0;\n }\n set encodeOutput(value) {\n if (this.encodeOutput !== value) {\n if (value) {\n this.defines.ENCODE_OUTPUT = \"1\";\n } else {\n delete this.defines.ENCODE_OUTPUT;\n }\n this.needsUpdate = true;\n }\n }\n /**\n * Indicates whether output encoding is enabled.\n *\n * @deprecated Use encodeOutput instead.\n * @return {Boolean} Whether output encoding is enabled.\n */\n isOutputEncodingEnabled(value) {\n return this.encodeOutput;\n }\n /**\n * Enables or disables output encoding.\n *\n * @deprecated Use encodeOutput instead.\n * @param {Boolean} value - Whether output encoding should be enabled.\n */\n setOutputEncodingEnabled(value) {\n this.encodeOutput = value;\n }\n /**\n * The time in seconds.\n *\n * @type {Number}\n */\n get time() {\n return this.uniforms.time.value;\n }\n set time(value) {\n this.uniforms.time.value = value;\n }\n /**\n * Sets the delta time.\n *\n * @deprecated Use time instead.\n * @param {Number} value - The delta time in seconds.\n */\n setDeltaTime(value) {\n this.uniforms.time.value += value;\n }\n /**\n * Copies the settings of the given camera.\n *\n * @deprecated Use copyCameraSettings instead.\n * @param {Camera} camera - A camera.\n */\n adoptCameraSettings(camera) {\n this.copyCameraSettings(camera);\n }\n /**\n * Copies the settings of the given camera.\n *\n * @param {Camera} camera - A camera.\n */\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNear.value = camera.near;\n this.uniforms.cameraFar.value = camera.far;\n if (camera instanceof PerspectiveCamera6) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n /**\n * Sets the resolution.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const uniforms = this.uniforms;\n uniforms.resolution.value.set(width, height);\n uniforms.texelSize.value.set(1 / width, 1 / height);\n uniforms.aspect.value = width / height;\n }\n /**\n * An enumeration of shader code placeholders.\n *\n * @deprecated Use EffectShaderSection instead.\n * @type {Object}\n */\n static get Section() {\n return EffectShaderSection;\n }\n};\n\n// src/materials/GaussianBlurMaterial.js\nimport { NoBlending as NoBlending21, ShaderMaterial as ShaderMaterial22, Uniform as Uniform50, Vector2 as Vector227 } from \"three\";\n\n// src/materials/glsl/convolution.gaussian.frag\nvar convolution_gaussian_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform vec2 kernel[STEPS];varying vec2 vOffset;varying vec2 vUv;void main(){vec4 result=texture2D(inputBuffer,vUv)*kernel[0].y;for(int i=1;i\\n}\";\n\n// src/materials/glsl/convolution.gaussian.vert\nvar convolution_gaussian_default2 = \"uniform vec2 texelSize;uniform vec2 direction;uniform float scale;varying vec2 vOffset;varying vec2 vUv;void main(){vOffset=direction*texelSize*scale;vUv=position.xy*0.5+0.5;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/GaussianBlurMaterial.js\nvar GaussianBlurMaterial = class extends ShaderMaterial22 {\n /**\n * Constructs a new convolution material.\n *\n * @param {Object} [options] - The options.\n * @param {Number} [options.kernelSize=35] - The kernel size.\n */\n constructor({ kernelSize = 35 } = {}) {\n super({\n name: \"GaussianBlurMaterial\",\n uniforms: {\n inputBuffer: new Uniform50(null),\n texelSize: new Uniform50(new Vector227()),\n direction: new Uniform50(new Vector227()),\n kernel: new Uniform50(null),\n scale: new Uniform50(1)\n },\n blending: NoBlending21,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_gaussian_default,\n vertexShader: convolution_gaussian_default2\n });\n this._kernelSize = 0;\n this.kernelSize = kernelSize;\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * The kernel size.\n *\n * @type {Number}\n */\n get kernelSize() {\n return this._kernelSize;\n }\n set kernelSize(value) {\n this._kernelSize = value;\n this.generateKernel(value);\n }\n /**\n * The blur direction.\n *\n * @type {Vector2}\n */\n get direction() {\n return this.uniforms.direction.value;\n }\n /**\n * The blur kernel scale. Values greater than 1.0 may introduce artifacts.\n *\n * @type {Number}\n */\n get scale() {\n return this.uniforms.scale.value;\n }\n set scale(value) {\n this.uniforms.scale.value = value;\n }\n /**\n * Generates the Gauss kernel.\n *\n * @param {KernelSize} kernelSize - The kernel size. Should be an odd number.\n * @private\n */\n generateKernel(kernelSize) {\n const kernel = new GaussKernel(kernelSize);\n const steps = kernel.linearSteps;\n const kernelData = new Float64Array(steps * 2);\n for (let i = 0, j = 0; i < steps; ++i) {\n kernelData[j++] = kernel.linearOffsets[i];\n kernelData[j++] = kernel.linearWeights[i];\n }\n this.uniforms.kernel.value = kernelData;\n this.defines.STEPS = steps.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/passes/BoxBlurPass.js\nimport { BasicDepthPacking as BasicDepthPacking16, SRGBColorSpace as SRGBColorSpace13, UnsignedByteType as UnsignedByteType13, WebGLRenderTarget as WebGLRenderTarget20 } from \"three\";\nvar BoxBlurPass = class extends Pass {\n /**\n * Constructs a new box blur pass.\n *\n * @param {Object} [options] - The options.\n * @param {Number} [options.kernelSize=5] - Must be an odd number. The sizes 3 and 5 use optimized code paths.\n * @param {Number} [options.iterations=1] - The amount of times the blur should be applied.\n * @param {Number} [options.bilateral=false] - Enables or disables bilateral blurring.\n * @param {Number} [options.resolutionScale=1.0] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n */\n constructor({\n kernelSize = 5,\n iterations = 1,\n bilateral = false,\n resolutionScale = 1,\n resolutionX = Resolution.AUTO_SIZE,\n resolutionY = Resolution.AUTO_SIZE\n } = {}) {\n super(\"BoxBlurPass\");\n this.needsDepthTexture = bilateral;\n this.renderTargetA = new WebGLRenderTarget20(1, 1, { depthBuffer: false });\n this.renderTargetA.texture.name = \"Blur.Target.A\";\n this.renderTargetB = new WebGLRenderTarget20(1, 1, { depthBuffer: false });\n this.renderTargetB.texture.name = \"Blur.Target.B\";\n this.blurMaterial = new BoxBlurMaterial({ bilateral, kernelSize });\n this.copyMaterial = new CopyMaterial();\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.iterations = iterations;\n }\n set mainCamera(value) {\n this.blurMaterial.copyCameraSettings(value);\n }\n /**\n * Sets the depth texture.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing strategy.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking16) {\n this.blurMaterial.depthBuffer = depthTexture;\n this.blurMaterial.depthPacking = depthPacking;\n }\n /**\n * Renders the blur.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const scene = this.scene;\n const camera = this.camera;\n const renderTargetA = this.renderTargetA;\n const renderTargetB = this.renderTargetB;\n const blurMaterial = this.blurMaterial;\n this.fullscreenMaterial = blurMaterial;\n let previousBuffer = inputBuffer;\n for (let i = 0, l = Math.max(this.iterations, 1); i < l; ++i) {\n const buffer = (i & 1) === 0 ? renderTargetA : renderTargetB;\n blurMaterial.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(buffer);\n renderer.render(scene, camera);\n previousBuffer = buffer;\n }\n this.copyMaterial.inputBuffer = previousBuffer.texture;\n this.fullscreenMaterial = this.copyMaterial;\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(scene, camera);\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.renderTargetA.setSize(w, h);\n this.renderTargetB.setSize(w, h);\n this.blurMaterial.setSize(width, height);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n if (renderer !== null) {\n this.blurMaterial.maxVaryingVectors = renderer.capabilities.maxVaryings;\n }\n if (frameBufferType !== void 0) {\n this.renderTargetA.texture.type = frameBufferType;\n this.renderTargetB.texture.type = frameBufferType;\n if (frameBufferType !== UnsignedByteType13) {\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace13) {\n this.renderTargetA.texture.colorSpace = SRGBColorSpace13;\n this.renderTargetB.texture.colorSpace = SRGBColorSpace13;\n }\n }\n }\n};\n\n// src/passes/DepthPickingPass.js\nimport { BasicDepthPacking as BasicDepthPacking18, FloatType as FloatType6, REVISION as REVISION5, RGBADepthPacking as RGBADepthPacking5 } from \"three\";\n\n// src/passes/DepthCopyPass.js\nimport {\n BasicDepthPacking as BasicDepthPacking17,\n FloatType as FloatType5,\n NearestFilter as NearestFilter7,\n RGBADepthPacking as RGBADepthPacking4,\n UnsignedByteType as UnsignedByteType14,\n WebGLRenderTarget as WebGLRenderTarget21\n} from \"three\";\nvar DepthCopyPass = class extends Pass {\n /**\n * Constructs a new depth save pass.\n *\n * @param {Object} [options] - The options.\n * @param {DepthPackingStrategies} [options.depthPacking=RGBADepthPacking] - The output depth packing.\n */\n constructor({ depthPacking = RGBADepthPacking4 } = {}) {\n super(\"DepthCopyPass\");\n const material = new DepthCopyMaterial();\n material.outputDepthPacking = depthPacking;\n this.fullscreenMaterial = material;\n this.needsDepthTexture = true;\n this.needsSwap = false;\n this.renderTarget = new WebGLRenderTarget21(1, 1, {\n type: depthPacking === RGBADepthPacking4 ? UnsignedByteType14 : FloatType5,\n minFilter: NearestFilter7,\n magFilter: NearestFilter7,\n depthBuffer: false\n });\n this.renderTarget.texture.name = \"DepthCopyPass.Target\";\n }\n /**\n * The output depth texture.\n *\n * @type {Texture}\n */\n get texture() {\n return this.renderTarget.texture;\n }\n /**\n * Returns the output depth texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.renderTarget.texture;\n }\n /**\n * The output depth packing.\n *\n * @type {DepthPackingStrategies}\n */\n get depthPacking() {\n return this.fullscreenMaterial.outputDepthPacking;\n }\n /**\n * Returns the output depth packing.\n *\n * @deprecated Use depthPacking instead.\n * @return {DepthPackingStrategies} The depth packing.\n */\n getDepthPacking() {\n return this.fullscreenMaterial.outputDepthPacking;\n }\n /**\n * Sets the depth texture.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking17) {\n this.fullscreenMaterial.depthBuffer = depthTexture;\n this.fullscreenMaterial.inputDepthPacking = depthPacking;\n }\n /**\n * Copies depth from a depth texture.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n renderer.render(this.scene, this.camera);\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.renderTarget.setSize(width, height);\n }\n};\n\n// src/passes/DepthPickingPass.js\nvar threeRevision = Number(REVISION5.replace(/\\D+/g, \"\"));\nvar unpackDownscale = 255 / 256;\nvar unpackFactorsLegacy = new Float32Array([\n unpackDownscale / 256 ** 3,\n unpackDownscale / 256 ** 2,\n unpackDownscale / 256,\n unpackDownscale\n]);\nvar unpackFactors = new Float32Array([\n unpackDownscale,\n unpackDownscale / 256,\n unpackDownscale / 256 ** 2,\n 1 / 256 ** 3\n]);\nfunction unpackRGBAToDepth(packedDepth) {\n const f = threeRevision >= 167 ? unpackFactors : unpackFactorsLegacy;\n return (packedDepth[0] * f[0] + packedDepth[1] * f[1] + packedDepth[2] * f[2] + packedDepth[3] * f[3]) / 255;\n}\nvar DepthPickingPass = class extends DepthCopyPass {\n /**\n * Constructs a new depth picking pass.\n *\n * @param {Object} [options] - The options.\n * @param {DepthPackingStrategies} [options.depthPacking=RGBADepthPacking] - The depth packing.\n * @param {Number} [options.mode=DepthCopyMode.SINGLE] - The depth copy mode.\n */\n constructor({ depthPacking = RGBADepthPacking5, mode = DepthCopyMode.SINGLE } = {}) {\n if (depthPacking !== RGBADepthPacking5 && depthPacking !== BasicDepthPacking18) {\n throw new Error(`Unsupported depth packing: ${depthPacking}`);\n }\n super({ depthPacking });\n this.name = \"DepthPickingPass\";\n this.fullscreenMaterial.mode = mode;\n this.pixelBuffer = depthPacking === RGBADepthPacking5 ? new Uint8Array(4) : new Float32Array(4);\n this.callback = null;\n }\n /**\n * Reads depth at a specific screen position.\n *\n * Only one depth value can be picked per frame. Calling this method multiple times per frame will overwrite the\n * picking coordinates. Unresolved promises will be abandoned.\n *\n * @example\n * const ndc = new Vector3();\n * const clientRect = myViewport.getBoundingClientRect();\n * const clientX = pointerEvent.clientX - clientRect.left;\n * const clientY = pointerEvent.clientY - clientRect.top;\n * ndc.x = (clientX / myViewport.clientWidth) * 2.0 - 1.0;\n * ndc.y = -(clientY / myViewport.clientHeight) * 2.0 + 1.0;\n * const depth = await depthPickingPass.readDepth(ndc);\n * ndc.z = depth * 2.0 - 1.0;\n *\n * const worldPosition = ndc.unproject(camera);\n *\n * @param {Vector2|Vector3} ndc - Normalized device coordinates. Only X and Y are relevant.\n * @return {Promise} A promise that returns the depth on the next frame.\n */\n readDepth(ndc) {\n this.fullscreenMaterial.texelPosition.set(ndc.x * 0.5 + 0.5, ndc.y * 0.5 + 0.5);\n return new Promise((resolve) => {\n this.callback = resolve;\n });\n }\n /**\n * Copies depth and resolves depth picking promises.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const material = this.fullscreenMaterial;\n const mode = material.mode;\n if (mode === DepthCopyMode.FULL) {\n super.render(renderer);\n }\n if (this.callback !== null) {\n const renderTarget = this.renderTarget;\n const pixelBuffer = this.pixelBuffer;\n const packed = renderTarget.texture.type !== FloatType6;\n let x = 0, y = 0;\n if (mode === DepthCopyMode.SINGLE) {\n super.render(renderer);\n } else {\n const texelPosition = material.texelPosition;\n x = Math.round(texelPosition.x * renderTarget.width);\n y = Math.round(texelPosition.y * renderTarget.height);\n }\n renderer.readRenderTargetPixels(renderTarget, x, y, 1, 1, pixelBuffer);\n this.callback(packed ? unpackRGBAToDepth(pixelBuffer) : pixelBuffer[0]);\n this.callback = null;\n }\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n if (this.fullscreenMaterial.mode === DepthCopyMode.FULL) {\n super.setSize(width, height);\n }\n }\n};\n\n// src/passes/EffectPass.js\nimport { BasicDepthPacking as BasicDepthPacking19, NoColorSpace as NoColorSpace2, SRGBColorSpace as SRGBColorSpace14, UnsignedByteType as UnsignedByteType15 } from \"three\";\nfunction prefixSubstrings(prefix, substrings, strings) {\n for (const substring of substrings) {\n const prefixed = \"$1\" + prefix + substring.charAt(0).toUpperCase() + substring.slice(1);\n const regExp = new RegExp(\"([^\\\\.])(\\\\b\" + substring + \"\\\\b)\", \"g\");\n for (const entry of strings.entries()) {\n if (entry[1] !== null) {\n strings.set(entry[0], entry[1].replace(regExp, prefixed));\n }\n }\n }\n}\nfunction integrateEffect(prefix, effect, data) {\n let fragmentShader = effect.getFragmentShader();\n let vertexShader = effect.getVertexShader();\n const mainImageExists = fragmentShader !== void 0 && /mainImage/.test(fragmentShader);\n const mainUvExists = fragmentShader !== void 0 && /mainUv/.test(fragmentShader);\n data.attributes |= effect.getAttributes();\n if (fragmentShader === void 0) {\n throw new Error(`Missing fragment shader (${effect.name})`);\n } else if (mainUvExists && (data.attributes & EffectAttribute.CONVOLUTION) !== 0) {\n throw new Error(`Effects that transform UVs are incompatible with convolution effects (${effect.name})`);\n } else if (!mainImageExists && !mainUvExists) {\n throw new Error(`Could not find mainImage or mainUv function (${effect.name})`);\n } else {\n const functionRegExp = /\\w+\\s+(\\w+)\\([\\w\\s,]*\\)\\s*{/g;\n const shaderParts = data.shaderParts;\n let fragmentHead = shaderParts.get(EffectShaderSection.FRAGMENT_HEAD) || \"\";\n let fragmentMainUv = shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_UV) || \"\";\n let fragmentMainImage = shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_IMAGE) || \"\";\n let vertexHead = shaderParts.get(EffectShaderSection.VERTEX_HEAD) || \"\";\n let vertexMainSupport = shaderParts.get(EffectShaderSection.VERTEX_MAIN_SUPPORT) || \"\";\n const varyings = /* @__PURE__ */ new Set();\n const names = /* @__PURE__ */ new Set();\n if (mainUvExists) {\n fragmentMainUv += `\t${prefix}MainUv(UV);\n`;\n data.uvTransformation = true;\n }\n if (vertexShader !== null && /mainSupport/.test(vertexShader)) {\n const needsUv = /mainSupport *\\([\\w\\s]*?uv\\s*?\\)/.test(vertexShader);\n vertexMainSupport += `\t${prefix}MainSupport(`;\n vertexMainSupport += needsUv ? \"vUv);\\n\" : \");\\n\";\n for (const m2 of vertexShader.matchAll(/(?:varying\\s+\\w+\\s+([\\S\\s]*?);)/g)) {\n for (const n of m2[1].split(/\\s*,\\s*/)) {\n data.varyings.add(n);\n varyings.add(n);\n names.add(n);\n }\n }\n for (const m2 of vertexShader.matchAll(functionRegExp)) {\n names.add(m2[1]);\n }\n }\n for (const m2 of fragmentShader.matchAll(functionRegExp)) {\n names.add(m2[1]);\n }\n for (const d of effect.defines.keys()) {\n names.add(d.replace(/\\([\\w\\s,]*\\)/g, \"\"));\n }\n for (const u of effect.uniforms.keys()) {\n names.add(u);\n }\n names.delete(\"while\");\n names.delete(\"for\");\n names.delete(\"if\");\n effect.uniforms.forEach((val, key) => data.uniforms.set(prefix + key.charAt(0).toUpperCase() + key.slice(1), val));\n effect.defines.forEach((val, key) => data.defines.set(prefix + key.charAt(0).toUpperCase() + key.slice(1), val));\n const shaders = /* @__PURE__ */ new Map([[\"fragment\", fragmentShader], [\"vertex\", vertexShader]]);\n prefixSubstrings(prefix, names, data.defines);\n prefixSubstrings(prefix, names, shaders);\n fragmentShader = shaders.get(\"fragment\");\n vertexShader = shaders.get(\"vertex\");\n const blendMode = effect.blendMode;\n data.blendModes.set(blendMode.blendFunction, blendMode);\n if (mainImageExists) {\n if (effect.inputColorSpace !== null && effect.inputColorSpace !== data.colorSpace) {\n fragmentMainImage += effect.inputColorSpace === SRGBColorSpace14 ? \"color0 = sRGBTransferOETF(color0);\\n\t\" : \"color0 = sRGBToLinear(color0);\\n\t\";\n }\n if (effect.outputColorSpace !== NoColorSpace2) {\n data.colorSpace = effect.outputColorSpace;\n } else if (effect.inputColorSpace !== null) {\n data.colorSpace = effect.inputColorSpace;\n }\n const depthParamRegExp = /MainImage *\\([\\w\\s,]*?depth[\\w\\s,]*?\\)/;\n fragmentMainImage += `${prefix}MainImage(color0, UV, `;\n if ((data.attributes & EffectAttribute.DEPTH) !== 0 && depthParamRegExp.test(fragmentShader)) {\n fragmentMainImage += \"depth, \";\n data.readDepth = true;\n }\n fragmentMainImage += \"color1);\\n\t\";\n const blendOpacity = prefix + \"BlendOpacity\";\n data.uniforms.set(blendOpacity, blendMode.opacity);\n fragmentMainImage += `color0 = blend${blendMode.blendFunction}(color0, color1, ${blendOpacity});\n\n\t`;\n fragmentHead += `uniform float ${blendOpacity};\n\n`;\n }\n fragmentHead += fragmentShader + \"\\n\";\n if (vertexShader !== null) {\n vertexHead += vertexShader + \"\\n\";\n }\n shaderParts.set(EffectShaderSection.FRAGMENT_HEAD, fragmentHead);\n shaderParts.set(EffectShaderSection.FRAGMENT_MAIN_UV, fragmentMainUv);\n shaderParts.set(EffectShaderSection.FRAGMENT_MAIN_IMAGE, fragmentMainImage);\n shaderParts.set(EffectShaderSection.VERTEX_HEAD, vertexHead);\n shaderParts.set(EffectShaderSection.VERTEX_MAIN_SUPPORT, vertexMainSupport);\n if (effect.extensions !== null) {\n for (const extension of effect.extensions) {\n data.extensions.add(extension);\n }\n }\n }\n}\nvar EffectPass = class extends Pass {\n /**\n * Constructs a new effect pass.\n *\n * @param {Camera} camera - The main camera.\n * @param {...Effect} effects - The effects that will be rendered by this pass.\n */\n constructor(camera, ...effects) {\n super(\"EffectPass\");\n this.fullscreenMaterial = new EffectMaterial(null, null, null, camera);\n this.listener = (event) => this.handleEvent(event);\n this.effects = [];\n this.setEffects(effects);\n this.skipRendering = false;\n this.minTime = 1;\n this.maxTime = Number.POSITIVE_INFINITY;\n this.timeScale = 1;\n }\n set mainScene(value) {\n for (const effect of this.effects) {\n effect.mainScene = value;\n }\n }\n set mainCamera(value) {\n this.fullscreenMaterial.copyCameraSettings(value);\n for (const effect of this.effects) {\n effect.mainCamera = value;\n }\n }\n /**\n * Indicates whether this pass encodes its output when rendering to screen.\n *\n * @type {Boolean}\n * @deprecated Use fullscreenMaterial.encodeOutput instead.\n */\n get encodeOutput() {\n return this.fullscreenMaterial.encodeOutput;\n }\n set encodeOutput(value) {\n this.fullscreenMaterial.encodeOutput = value;\n }\n /**\n * Indicates whether dithering is enabled.\n *\n * @type {Boolean}\n */\n get dithering() {\n return this.fullscreenMaterial.dithering;\n }\n set dithering(value) {\n const material = this.fullscreenMaterial;\n material.dithering = value;\n material.needsUpdate = true;\n }\n /**\n * Sets the effects.\n *\n * @param {Effect[]} effects - The effects.\n * @protected\n */\n setEffects(effects) {\n for (const effect of this.effects) {\n effect.removeEventListener(\"change\", this.listener);\n }\n this.effects = effects.sort((a, b) => b.attributes - a.attributes);\n for (const effect of this.effects) {\n effect.addEventListener(\"change\", this.listener);\n }\n }\n /**\n * Updates the compound shader material.\n *\n * @protected\n */\n updateMaterial() {\n const data = new EffectShaderData();\n let id = 0;\n for (const effect of this.effects) {\n if (effect.blendMode.blendFunction === BlendFunction.DST) {\n data.attributes |= effect.getAttributes() & EffectAttribute.DEPTH;\n } else if ((data.attributes & effect.getAttributes() & EffectAttribute.CONVOLUTION) !== 0) {\n throw new Error(`Convolution effects cannot be merged (${effect.name})`);\n } else {\n integrateEffect(\"e\" + id++, effect, data);\n }\n }\n let fragmentHead = data.shaderParts.get(EffectShaderSection.FRAGMENT_HEAD);\n let fragmentMainImage = data.shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_IMAGE);\n let fragmentMainUv = data.shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_UV);\n const blendRegExp = /\\bblend\\b/g;\n for (const blendMode of data.blendModes.values()) {\n fragmentHead += blendMode.getShaderCode().replace(blendRegExp, `blend${blendMode.blendFunction}`) + \"\\n\";\n }\n if ((data.attributes & EffectAttribute.DEPTH) !== 0) {\n if (data.readDepth) {\n fragmentMainImage = \"float depth = readDepth(UV);\\n\\n\t\" + fragmentMainImage;\n }\n this.needsDepthTexture = this.getDepthTexture() === null;\n } else {\n this.needsDepthTexture = false;\n }\n if (data.colorSpace === SRGBColorSpace14) {\n fragmentMainImage += \"color0 = sRGBToLinear(color0);\\n\t\";\n }\n if (data.uvTransformation) {\n fragmentMainUv = \"vec2 transformedUv = vUv;\\n\" + fragmentMainUv;\n data.defines.set(\"UV\", \"transformedUv\");\n } else {\n data.defines.set(\"UV\", \"vUv\");\n }\n data.shaderParts.set(EffectShaderSection.FRAGMENT_HEAD, fragmentHead);\n data.shaderParts.set(EffectShaderSection.FRAGMENT_MAIN_IMAGE, fragmentMainImage);\n data.shaderParts.set(EffectShaderSection.FRAGMENT_MAIN_UV, fragmentMainUv);\n for (const [key, value] of data.shaderParts) {\n if (value !== null) {\n data.shaderParts.set(key, value.trim().replace(/^#/, \"\\n#\"));\n }\n }\n this.skipRendering = id === 0;\n this.needsSwap = !this.skipRendering;\n this.fullscreenMaterial.setShaderData(data);\n }\n /**\n * Rebuilds the shader material.\n */\n recompile() {\n this.updateMaterial();\n }\n /**\n * Returns the current depth texture.\n *\n * @return {Texture} The current depth texture, or null if there is none.\n */\n getDepthTexture() {\n return this.fullscreenMaterial.depthBuffer;\n }\n /**\n * Sets the depth texture.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking19) {\n this.fullscreenMaterial.depthBuffer = depthTexture;\n this.fullscreenMaterial.depthPacking = depthPacking;\n for (const effect of this.effects) {\n effect.setDepthTexture(depthTexture, depthPacking);\n }\n }\n /**\n * Renders the effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n for (const effect of this.effects) {\n effect.update(renderer, inputBuffer, deltaTime);\n }\n if (!this.skipRendering || this.renderToScreen) {\n const material = this.fullscreenMaterial;\n material.inputBuffer = inputBuffer.texture;\n material.time += deltaTime * this.timeScale;\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(this.scene, this.camera);\n }\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.fullscreenMaterial.setSize(width, height);\n for (const effect of this.effects) {\n effect.setSize(width, height);\n }\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n this.renderer = renderer;\n for (const effect of this.effects) {\n effect.initialize(renderer, alpha, frameBufferType);\n }\n this.updateMaterial();\n if (frameBufferType !== void 0 && frameBufferType !== UnsignedByteType15) {\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n }\n }\n /**\n * Deletes disposable objects.\n */\n dispose() {\n super.dispose();\n for (const effect of this.effects) {\n effect.removeEventListener(\"change\", this.listener);\n effect.dispose();\n }\n }\n /**\n * Handles events.\n *\n * @param {Event} event - An event.\n */\n handleEvent(event) {\n switch (event.type) {\n case \"change\":\n this.recompile();\n break;\n }\n }\n};\n\n// src/passes/GaussianBlurPass.js\nimport { SRGBColorSpace as SRGBColorSpace15, UnsignedByteType as UnsignedByteType16, WebGLRenderTarget as WebGLRenderTarget22 } from \"three\";\nvar GaussianBlurPass = class extends Pass {\n /**\n * Constructs a new Gaussian blur pass.\n *\n * @param {Object} [options] - The options.\n * @param {Number} [options.kernelSize=35] - The kernel size. Should be an odd number in the range [3, 1020].\n * @param {Number} [options.iterations=1] - The amount of times the blur should be applied.\n * @param {Number} [options.resolutionScale=1.0] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n */\n constructor({\n kernelSize = 35,\n iterations = 1,\n resolutionScale = 1,\n resolutionX = Resolution.AUTO_SIZE,\n resolutionY = Resolution.AUTO_SIZE\n } = {}) {\n super(\"GaussianBlurPass\");\n this.renderTargetA = new WebGLRenderTarget22(1, 1, { depthBuffer: false });\n this.renderTargetA.texture.name = \"Blur.Target.A\";\n this.renderTargetB = this.renderTargetA.clone();\n this.renderTargetB.texture.name = \"Blur.Target.B\";\n this.blurMaterial = new GaussianBlurMaterial({ kernelSize });\n this.copyMaterial = new CopyMaterial();\n this.copyMaterial.inputBuffer = this.renderTargetB.texture;\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.iterations = iterations;\n }\n /**\n * Renders the blur.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const scene = this.scene;\n const camera = this.camera;\n const renderTargetA = this.renderTargetA;\n const renderTargetB = this.renderTargetB;\n const blurMaterial = this.blurMaterial;\n this.fullscreenMaterial = blurMaterial;\n let previousBuffer = inputBuffer;\n for (let i = 0, l = Math.max(this.iterations, 1); i < l; ++i) {\n blurMaterial.direction.set(1, 0);\n blurMaterial.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(renderTargetA);\n renderer.render(scene, camera);\n blurMaterial.direction.set(0, 1);\n blurMaterial.inputBuffer = renderTargetA.texture;\n renderer.setRenderTarget(renderTargetB);\n renderer.render(scene, camera);\n if (i === 0 && l > 1) {\n previousBuffer = renderTargetB;\n }\n }\n this.fullscreenMaterial = this.copyMaterial;\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(scene, camera);\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.renderTargetA.setSize(w, h);\n this.renderTargetB.setSize(w, h);\n this.blurMaterial.setSize(width, height);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0) {\n this.renderTargetA.texture.type = frameBufferType;\n this.renderTargetB.texture.type = frameBufferType;\n if (frameBufferType !== UnsignedByteType16) {\n this.blurMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n this.copyMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace15) {\n this.renderTargetA.texture.colorSpace = SRGBColorSpace15;\n this.renderTargetB.texture.colorSpace = SRGBColorSpace15;\n }\n }\n }\n};\n\n// src/passes/LambdaPass.js\nvar LambdaPass = class extends Pass {\n /**\n * Constructs a new lambda pass.\n *\n * @param {Function} f - A function.\n */\n constructor(f) {\n super(\"LambdaPass\", null, null);\n this.needsSwap = false;\n this.f = f;\n }\n /**\n * Executes the function.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n this.f();\n }\n};\n\n// src/passes/NormalPass.js\nimport { Color as Color9, MeshNormalMaterial, NearestFilter as NearestFilter8, WebGLRenderTarget as WebGLRenderTarget23 } from \"three\";\nvar NormalPass = class extends Pass {\n /**\n * Constructs a new normal pass.\n *\n * @param {Scene} scene - The scene to render.\n * @param {Camera} camera - The camera to use to render the scene.\n * @param {Object} [options] - The options.\n * @param {WebGLRenderTarget} [options.renderTarget] - A custom render target.\n * @param {Number} [options.resolutionScale=1.0] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n * @param {Number} [options.width=Resolution.AUTO_SIZE] - Deprecated. Use resolutionX instead.\n * @param {Number} [options.height=Resolution.AUTO_SIZE] - Deprecated. Use resolutionY instead.\n */\n constructor(scene, camera, {\n renderTarget,\n resolutionScale = 1,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"NormalPass\");\n this.needsSwap = false;\n this.renderPass = new RenderPass(scene, camera, new MeshNormalMaterial());\n const renderPass = this.renderPass;\n renderPass.ignoreBackground = true;\n renderPass.skipShadowMapUpdate = true;\n const clearPass = renderPass.getClearPass();\n clearPass.overrideClearColor = new Color9(7829503);\n clearPass.overrideClearAlpha = 1;\n this.renderTarget = renderTarget;\n if (this.renderTarget === void 0) {\n this.renderTarget = new WebGLRenderTarget23(1, 1, {\n minFilter: NearestFilter8,\n magFilter: NearestFilter8\n });\n this.renderTarget.texture.name = \"NormalPass.Target\";\n }\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n set mainScene(value) {\n this.renderPass.mainScene = value;\n }\n set mainCamera(value) {\n this.renderPass.mainCamera = value;\n }\n /**\n * The normal texture.\n *\n * @type {Texture}\n */\n get texture() {\n return this.renderTarget.texture;\n }\n /**\n * The normal texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.renderTarget.texture;\n }\n /**\n * Returns the resolution settings.\n *\n * @deprecated Use resolution instead.\n * @return {Resolution} The resolution.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * Returns the current resolution scale.\n *\n * @return {Number} The resolution scale.\n * @deprecated Use resolution.preferredWidth or resolution.preferredHeight instead.\n */\n getResolutionScale() {\n return this.resolution.scale;\n }\n /**\n * Sets the resolution scale.\n *\n * @param {Number} scale - The new resolution scale.\n * @deprecated Use resolution.preferredWidth or resolution.preferredHeight instead.\n */\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n /**\n * Renders the scene normals.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const renderTarget = this.renderToScreen ? null : this.renderTarget;\n this.renderPass.render(renderer, renderTarget, renderTarget);\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n }\n};\n\n// src/textures/lut/TetrahedralUpscaler.js\nvar P = [\n new Float32Array(3),\n new Float32Array(3)\n];\nvar C = [\n new Float32Array(3),\n new Float32Array(3),\n new Float32Array(3),\n new Float32Array(3)\n];\nvar T = [\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([1, 0, 0]),\n new Float32Array([1, 1, 0]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([1, 0, 0]),\n new Float32Array([1, 0, 1]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([0, 0, 1]),\n new Float32Array([1, 0, 1]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([0, 1, 0]),\n new Float32Array([1, 1, 0]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([0, 1, 0]),\n new Float32Array([0, 1, 1]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([0, 0, 1]),\n new Float32Array([0, 1, 1]),\n new Float32Array([1, 1, 1])\n ]\n];\nfunction calculateTetrahedronVolume(a, b, c2, d) {\n const bcX = c2[0] - b[0];\n const bcY = c2[1] - b[1];\n const bcZ = c2[2] - b[2];\n const baX = a[0] - b[0];\n const baY = a[1] - b[1];\n const baZ = a[2] - b[2];\n const crossX = bcY * baZ - bcZ * baY;\n const crossY = bcZ * baX - bcX * baZ;\n const crossZ = bcX * baY - bcY * baX;\n const length = Math.sqrt(crossX * crossX + crossY * crossY + crossZ * crossZ);\n const triangleArea = length * 0.5;\n const normalX = crossX / length;\n const normalY = crossY / length;\n const normalZ = crossZ / length;\n const constant = -(a[0] * normalX + a[1] * normalY + a[2] * normalZ);\n const dot = d[0] * normalX + d[1] * normalY + d[2] * normalZ;\n const height = Math.abs(dot + constant);\n return height * triangleArea / 3;\n}\nfunction sample(data, size, x, y, z, color2) {\n const i4 = (x + y * size + z * size * size) * 4;\n color2[0] = data[i4 + 0];\n color2[1] = data[i4 + 1];\n color2[2] = data[i4 + 2];\n}\nfunction tetrahedralSample(data, size, u, v3, w, color2) {\n const px = u * (size - 1);\n const py = v3 * (size - 1);\n const pz = w * (size - 1);\n const minX = Math.floor(px);\n const minY = Math.floor(py);\n const minZ = Math.floor(pz);\n const maxX = Math.ceil(px);\n const maxY = Math.ceil(py);\n const maxZ = Math.ceil(pz);\n const su = px - minX;\n const sv = py - minY;\n const sw = pz - minZ;\n if (minX === px && minY === py && minZ === pz) {\n sample(data, size, px, py, pz, color2);\n } else {\n let vertices;\n if (su >= sv && sv >= sw) {\n vertices = T[0];\n } else if (su >= sw && sw >= sv) {\n vertices = T[1];\n } else if (sw >= su && su >= sv) {\n vertices = T[2];\n } else if (sv >= su && su >= sw) {\n vertices = T[3];\n } else if (sv >= sw && sw >= su) {\n vertices = T[4];\n } else if (sw >= sv && sv >= su) {\n vertices = T[5];\n }\n const [P0, P1, P2, P3] = vertices;\n const coords = P[0];\n coords[0] = su;\n coords[1] = sv;\n coords[2] = sw;\n const tmp = P[1];\n const diffX = maxX - minX;\n const diffY = maxY - minY;\n const diffZ = maxZ - minZ;\n tmp[0] = diffX * P0[0] + minX;\n tmp[1] = diffY * P0[1] + minY;\n tmp[2] = diffZ * P0[2] + minZ;\n sample(data, size, tmp[0], tmp[1], tmp[2], C[0]);\n tmp[0] = diffX * P1[0] + minX;\n tmp[1] = diffY * P1[1] + minY;\n tmp[2] = diffZ * P1[2] + minZ;\n sample(data, size, tmp[0], tmp[1], tmp[2], C[1]);\n tmp[0] = diffX * P2[0] + minX;\n tmp[1] = diffY * P2[1] + minY;\n tmp[2] = diffZ * P2[2] + minZ;\n sample(data, size, tmp[0], tmp[1], tmp[2], C[2]);\n tmp[0] = diffX * P3[0] + minX;\n tmp[1] = diffY * P3[1] + minY;\n tmp[2] = diffZ * P3[2] + minZ;\n sample(data, size, tmp[0], tmp[1], tmp[2], C[3]);\n const V0 = calculateTetrahedronVolume(P1, P2, P3, coords) * 6;\n const V1 = calculateTetrahedronVolume(P0, P2, P3, coords) * 6;\n const V2 = calculateTetrahedronVolume(P0, P1, P3, coords) * 6;\n const V3 = calculateTetrahedronVolume(P0, P1, P2, coords) * 6;\n C[0][0] *= V0;\n C[0][1] *= V0;\n C[0][2] *= V0;\n C[1][0] *= V1;\n C[1][1] *= V1;\n C[1][2] *= V1;\n C[2][0] *= V2;\n C[2][1] *= V2;\n C[2][2] *= V2;\n C[3][0] *= V3;\n C[3][1] *= V3;\n C[3][2] *= V3;\n color2[0] = C[0][0] + C[1][0] + C[2][0] + C[3][0];\n color2[1] = C[0][1] + C[1][1] + C[2][1] + C[3][1];\n color2[2] = C[0][2] + C[1][2] + C[2][2] + C[3][2];\n }\n}\nvar TetrahedralUpscaler = class {\n /**\n * Expands the given data to the target size.\n *\n * @param {TypedArray} data - The input RGBA data. Assumed to be cubic.\n * @param {Number} size - The target size.\n * @return {TypedArray} The new data.\n */\n static expand(data, size) {\n const originalSize = Math.cbrt(data.length / 4);\n const rgb = new Float32Array(3);\n const array = new data.constructor(size ** 3 * 4);\n const maxValue = data instanceof Uint8Array ? 255 : 1;\n const sizeSq = size ** 2;\n const s = 1 / (size - 1);\n for (let z = 0; z < size; ++z) {\n for (let y = 0; y < size; ++y) {\n for (let x = 0; x < size; ++x) {\n const u = x * s;\n const v3 = y * s;\n const w = z * s;\n const i4 = Math.round(x + y * size + z * sizeSq) * 4;\n tetrahedralSample(data, originalSize, u, v3, w, rgb);\n array[i4 + 0] = rgb[0];\n array[i4 + 1] = rgb[1];\n array[i4 + 2] = rgb[2];\n array[i4 + 3] = maxValue;\n }\n }\n }\n return array;\n }\n};\n\n// src/textures/smaa/SMAAAreaImageData.js\nvar area = [\n new Float32Array(2),\n new Float32Array(2)\n];\nvar ORTHOGONAL_SIZE = 16;\nvar DIAGONAL_SIZE = 20;\nvar DIAGONAL_SAMPLES = 30;\nvar SMOOTH_MAX_DISTANCE = 32;\nvar orthogonalSubsamplingOffsets = new Float32Array([\n 0,\n -0.25,\n 0.25,\n -0.125,\n 0.125,\n -0.375,\n 0.375\n]);\nvar diagonalSubsamplingOffsets = [\n new Float32Array([0, 0]),\n new Float32Array([0.25, -0.25]),\n new Float32Array([-0.25, 0.25]),\n new Float32Array([0.125, -0.125]),\n new Float32Array([-0.125, 0.125])\n];\nvar orthogonalEdges = [\n new Uint8Array([0, 0]),\n new Uint8Array([3, 0]),\n new Uint8Array([0, 3]),\n new Uint8Array([3, 3]),\n new Uint8Array([1, 0]),\n new Uint8Array([4, 0]),\n new Uint8Array([1, 3]),\n new Uint8Array([4, 3]),\n new Uint8Array([0, 1]),\n new Uint8Array([3, 1]),\n new Uint8Array([0, 4]),\n new Uint8Array([3, 4]),\n new Uint8Array([1, 1]),\n new Uint8Array([4, 1]),\n new Uint8Array([1, 4]),\n new Uint8Array([4, 4])\n];\nvar diagonalEdges = [\n new Uint8Array([0, 0]),\n new Uint8Array([1, 0]),\n new Uint8Array([0, 2]),\n new Uint8Array([1, 2]),\n new Uint8Array([2, 0]),\n new Uint8Array([3, 0]),\n new Uint8Array([2, 2]),\n new Uint8Array([3, 2]),\n new Uint8Array([0, 1]),\n new Uint8Array([1, 1]),\n new Uint8Array([0, 3]),\n new Uint8Array([1, 3]),\n new Uint8Array([2, 1]),\n new Uint8Array([3, 1]),\n new Uint8Array([2, 3]),\n new Uint8Array([3, 3])\n];\nfunction lerp(a, b, p) {\n return a + (b - a) * p;\n}\nfunction saturate(a) {\n return Math.min(Math.max(a, 0), 1);\n}\nfunction smoothArea(d) {\n const a1 = area[0];\n const a2 = area[1];\n const b1X = Math.sqrt(a1[0] * 2) * 0.5;\n const b1Y = Math.sqrt(a1[1] * 2) * 0.5;\n const b2X = Math.sqrt(a2[0] * 2) * 0.5;\n const b2Y = Math.sqrt(a2[1] * 2) * 0.5;\n const p = saturate(d / SMOOTH_MAX_DISTANCE);\n a1[0] = lerp(b1X, a1[0], p);\n a1[1] = lerp(b1Y, a1[1], p);\n a2[0] = lerp(b2X, a2[0], p);\n a2[1] = lerp(b2Y, a2[1], p);\n}\nfunction getOrthArea(p1X, p1Y, p2X, p2Y, x, result) {\n const dX = p2X - p1X;\n const dY = p2Y - p1Y;\n const x1 = x;\n const x2 = x + 1;\n const y1 = p1Y + dY * (x1 - p1X) / dX;\n const y2 = p1Y + dY * (x2 - p1X) / dX;\n if (x1 >= p1X && x1 < p2X || x2 > p1X && x2 <= p2X) {\n if (Math.sign(y1) === Math.sign(y2) || Math.abs(y1) < 1e-4 || Math.abs(y2) < 1e-4) {\n const a = (y1 + y2) / 2;\n if (a < 0) {\n result[0] = Math.abs(a);\n result[1] = 0;\n } else {\n result[0] = 0;\n result[1] = Math.abs(a);\n }\n } else {\n const t = -p1Y * dX / dY + p1X;\n const tInt = Math.trunc(t);\n const a1 = t > p1X ? y1 * (t - tInt) / 2 : 0;\n const a2 = t < p2X ? y2 * (1 - (t - tInt)) / 2 : 0;\n const a = Math.abs(a1) > Math.abs(a2) ? a1 : -a2;\n if (a < 0) {\n result[0] = Math.abs(a1);\n result[1] = Math.abs(a2);\n } else {\n result[0] = Math.abs(a2);\n result[1] = Math.abs(a1);\n }\n }\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n return result;\n}\nfunction getOrthAreaForPattern(pattern, left, right, offset, result) {\n const a1 = area[0];\n const a2 = area[1];\n const o1 = 0.5 + offset;\n const o2 = 0.5 + offset - 1;\n const d = left + right + 1;\n switch (pattern) {\n case 0: {\n result[0] = 0;\n result[1] = 0;\n break;\n }\n case 1: {\n if (left <= right) {\n getOrthArea(0, o2, d / 2, 0, left, result);\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n break;\n }\n case 2: {\n if (left >= right) {\n getOrthArea(d / 2, 0, d, o2, left, result);\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n break;\n }\n case 3: {\n getOrthArea(0, o2, d / 2, 0, left, a1);\n getOrthArea(d / 2, 0, d, o2, left, a2);\n smoothArea(d, area);\n result[0] = a1[0] + a2[0];\n result[1] = a1[1] + a2[1];\n break;\n }\n case 4: {\n if (left <= right) {\n getOrthArea(0, o1, d / 2, 0, left, result);\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n break;\n }\n case 5: {\n result[0] = 0;\n result[1] = 0;\n break;\n }\n case 6: {\n if (Math.abs(offset) > 0) {\n getOrthArea(0, o1, d, o2, left, a1);\n getOrthArea(0, o1, d / 2, 0, left, a2);\n getOrthArea(d / 2, 0, d, o2, left, result);\n a2[0] = a2[0] + result[0];\n a2[1] = a2[1] + result[1];\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n } else {\n getOrthArea(0, o1, d, o2, left, result);\n }\n break;\n }\n case 7: {\n getOrthArea(0, o1, d, o2, left, result);\n break;\n }\n case 8: {\n if (left >= right) {\n getOrthArea(d / 2, 0, d, o1, left, result);\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n break;\n }\n case 9: {\n if (Math.abs(offset) > 0) {\n getOrthArea(0, o2, d, o1, left, a1);\n getOrthArea(0, o2, d / 2, 0, left, a2);\n getOrthArea(d / 2, 0, d, o1, left, result);\n a2[0] = a2[0] + result[0];\n a2[1] = a2[1] + result[1];\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n } else {\n getOrthArea(0, o2, d, o1, left, result);\n }\n break;\n }\n case 10: {\n result[0] = 0;\n result[1] = 0;\n break;\n }\n case 11: {\n getOrthArea(0, o2, d, o1, left, result);\n break;\n }\n case 12: {\n getOrthArea(0, o1, d / 2, 0, left, a1);\n getOrthArea(d / 2, 0, d, o1, left, a2);\n smoothArea(d, area);\n result[0] = a1[0] + a2[0];\n result[1] = a1[1] + a2[1];\n break;\n }\n case 13: {\n getOrthArea(0, o2, d, o1, left, result);\n break;\n }\n case 14: {\n getOrthArea(0, o1, d, o2, left, result);\n break;\n }\n case 15: {\n result[0] = 0;\n result[1] = 0;\n break;\n }\n }\n return result;\n}\nfunction isInsideArea(a1X, a1Y, a2X, a2Y, x, y) {\n let result = a1X === a2X && a1Y === a2Y;\n if (!result) {\n const xm = (a1X + a2X) / 2;\n const ym = (a1Y + a2Y) / 2;\n const a = a2Y - a1Y;\n const b = a1X - a2X;\n const c2 = a * (x - xm) + b * (y - ym);\n result = c2 > 0;\n }\n return result;\n}\nfunction getDiagAreaForPixel(a1X, a1Y, a2X, a2Y, pX, pY) {\n let n = 0;\n for (let y = 0; y < DIAGONAL_SAMPLES; ++y) {\n for (let x = 0; x < DIAGONAL_SAMPLES; ++x) {\n const offsetX = x / (DIAGONAL_SAMPLES - 1);\n const offsetY = y / (DIAGONAL_SAMPLES - 1);\n if (isInsideArea(a1X, a1Y, a2X, a2Y, pX + offsetX, pY + offsetY)) {\n ++n;\n }\n }\n }\n return n / (DIAGONAL_SAMPLES * DIAGONAL_SAMPLES);\n}\nfunction getDiagArea(pattern, a1X, a1Y, a2X, a2Y, left, offset, result) {\n const e = diagonalEdges[pattern];\n const e1 = e[0];\n const e2 = e[1];\n if (e1 > 0) {\n a1X += offset[0];\n a1Y += offset[1];\n }\n if (e2 > 0) {\n a2X += offset[0];\n a2Y += offset[1];\n }\n result[0] = 1 - getDiagAreaForPixel(a1X, a1Y, a2X, a2Y, 1 + left, 0 + left);\n result[1] = getDiagAreaForPixel(a1X, a1Y, a2X, a2Y, 1 + left, 1 + left);\n return result;\n}\nfunction getDiagAreaForPattern(pattern, left, right, offset, result) {\n const a1 = area[0];\n const a2 = area[1];\n const d = left + right + 1;\n switch (pattern) {\n case 0: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 1: {\n getDiagArea(pattern, 1, 0, 0 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 2: {\n getDiagArea(pattern, 0, 0, 1 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 3: {\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, result);\n break;\n }\n case 4: {\n getDiagArea(pattern, 1, 1, 0 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 5: {\n getDiagArea(pattern, 1, 1, 0 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 6: {\n getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, result);\n break;\n }\n case 7: {\n getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 8: {\n getDiagArea(pattern, 0, 0, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 9: {\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, result);\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, result);\n break;\n }\n case 10: {\n getDiagArea(pattern, 0, 0, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 11: {\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 12: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, result);\n break;\n }\n case 13: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 14: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 15: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n }\n return result;\n}\nfunction generatePatterns(patterns, offset, orthogonal) {\n const result = new Float32Array(2);\n for (let i = 0, l = patterns.length; i < l; ++i) {\n const pattern = patterns[i];\n const data = pattern.data;\n const size = pattern.width;\n for (let y = 0; y < size; ++y) {\n for (let x = 0; x < size; ++x) {\n if (orthogonal) {\n getOrthAreaForPattern(i, x, y, offset, result);\n } else {\n getDiagAreaForPattern(i, x, y, offset, result);\n }\n const c2 = (y * size + x) * 2;\n data[c2] = result[0] * 255;\n data[c2 + 1] = result[1] * 255;\n }\n }\n }\n}\nfunction assemble(baseX, baseY, patterns, edges2, size, orthogonal, target) {\n const dstData = target.data;\n const dstWidth = target.width;\n for (let i = 0, l = patterns.length; i < l; ++i) {\n const edge = edges2[i];\n const pattern = patterns[i];\n const srcData = pattern.data;\n const srcWidth = pattern.width;\n for (let y = 0; y < size; ++y) {\n for (let x = 0; x < size; ++x) {\n const pX = edge[0] * size + baseX + x;\n const pY = edge[1] * size + baseY + y;\n const c2 = (pY * dstWidth + pX) * 4;\n const d = orthogonal ? (y * y * srcWidth + x * x) * 2 : (y * srcWidth + x) * 2;\n dstData[c2] = srcData[d];\n dstData[c2 + 1] = srcData[d + 1];\n dstData[c2 + 2] = 0;\n dstData[c2 + 3] = 255;\n }\n }\n }\n}\nvar SMAAAreaImageData = class {\n /**\n * Creates a new area image.\n *\n * @return {RawImageData} The generated image data.\n */\n static generate() {\n const width = 2 * 5 * ORTHOGONAL_SIZE;\n const height = orthogonalSubsamplingOffsets.length * 5 * ORTHOGONAL_SIZE;\n const data = new Uint8ClampedArray(width * height * 4);\n const result = new RawImageData(width, height, data);\n const orthPatternSize = Math.pow(ORTHOGONAL_SIZE - 1, 2) + 1;\n const diagPatternSize = DIAGONAL_SIZE;\n const orthogonalPatterns = [];\n const diagonalPatterns = [];\n for (let i = 3, l = data.length; i < l; i += 4) {\n data[i] = 255;\n }\n for (let i = 0; i < 16; ++i) {\n orthogonalPatterns.push(new RawImageData(\n orthPatternSize,\n orthPatternSize,\n new Uint8ClampedArray(orthPatternSize * orthPatternSize * 2),\n 2\n ));\n diagonalPatterns.push(new RawImageData(\n diagPatternSize,\n diagPatternSize,\n new Uint8ClampedArray(diagPatternSize * diagPatternSize * 2),\n 2\n ));\n }\n for (let i = 0, l = orthogonalSubsamplingOffsets.length; i < l; ++i) {\n generatePatterns(orthogonalPatterns, orthogonalSubsamplingOffsets[i], true);\n assemble(\n 0,\n 5 * ORTHOGONAL_SIZE * i,\n orthogonalPatterns,\n orthogonalEdges,\n ORTHOGONAL_SIZE,\n true,\n result\n );\n }\n for (let i = 0, l = diagonalSubsamplingOffsets.length; i < l; ++i) {\n generatePatterns(diagonalPatterns, diagonalSubsamplingOffsets[i], false);\n assemble(\n 5 * ORTHOGONAL_SIZE,\n 4 * DIAGONAL_SIZE * i,\n diagonalPatterns,\n diagonalEdges,\n DIAGONAL_SIZE,\n false,\n result\n );\n }\n return result;\n }\n};\n\n// src/textures/smaa/SMAAImageGenerator.js\nimport { LoadingManager as LoadingManager5 } from \"three\";\n\n// tmp/smaa/worker.txt\nvar worker_default2 = '\"use strict\";(()=>{function q(t,a,s){let e=document.createElement(\"canvas\"),n=e.getContext(\"2d\");if(e.width=t,e.height=a,s instanceof Image)n.drawImage(s,0,0);else{let r=n.createImageData(t,a);r.data.set(s),n.putImageData(r,0,0)}return e}var F=class t{constructor(a=0,s=0,e=null){this.width=a,this.height=s,this.data=e}toCanvas(){return typeof document==\"undefined\"?null:q(this.width,this.height,this.data)}static from(a){let{width:s,height:e}=a,n;if(a instanceof Image){let r=q(s,e,a);r!==null&&(n=r.getContext(\"2d\").getImageData(0,0,s,e).data)}else n=a.data;return new t(s,e,n)}};var M=[new Float32Array(2),new Float32Array(2)],D=16,W=20,I=30,j=32,v=new Float32Array([0,-.25,.25,-.125,.125,-.375,.375]),N=[new Float32Array([0,0]),new Float32Array([.25,-.25]),new Float32Array([-.25,.25]),new Float32Array([.125,-.125]),new Float32Array([-.125,.125])],z=[new Uint8Array([0,0]),new Uint8Array([3,0]),new Uint8Array([0,3]),new Uint8Array([3,3]),new Uint8Array([1,0]),new Uint8Array([4,0]),new Uint8Array([1,3]),new Uint8Array([4,3]),new Uint8Array([0,1]),new Uint8Array([3,1]),new Uint8Array([0,4]),new Uint8Array([3,4]),new Uint8Array([1,1]),new Uint8Array([4,1]),new Uint8Array([1,4]),new Uint8Array([4,4])],p=[new Uint8Array([0,0]),new Uint8Array([1,0]),new Uint8Array([0,2]),new Uint8Array([1,2]),new Uint8Array([2,0]),new Uint8Array([3,0]),new Uint8Array([2,2]),new Uint8Array([3,2]),new Uint8Array([0,1]),new Uint8Array([1,1]),new Uint8Array([0,3]),new Uint8Array([1,3]),new Uint8Array([2,1]),new Uint8Array([3,1]),new Uint8Array([2,3]),new Uint8Array([3,3])];function C(t,a,s){return t+(a-t)*s}function B(t){return Math.min(Math.max(t,0),1)}function _(t){let a=M[0],s=M[1],e=Math.sqrt(a[0]*2)*.5,n=Math.sqrt(a[1]*2)*.5,r=Math.sqrt(s[0]*2)*.5,o=Math.sqrt(s[1]*2)*.5,c=B(t/j);a[0]=C(e,a[0],c),a[1]=C(n,a[1],c),s[0]=C(r,s[0],c),s[1]=C(o,s[1],c)}function d(t,a,s,e,n,r){let o=s-t,c=e-a,h=n,i=n+1,w=a+c*(h-t)/o,b=a+c*(i-t)/o;if(h>=t&&ht&&i<=s)if(Math.sign(w)===Math.sign(b)||Math.abs(w)<1e-4||Math.abs(b)<1e-4){let g=(w+b)/2;g<0?(r[0]=Math.abs(g),r[1]=0):(r[0]=0,r[1]=Math.abs(g))}else{let g=-a*o/c+t,k=Math.trunc(g),m=g>t?w*(g-k)/2:0,U=gMath.abs(U)?m:-U)<0?(r[0]=Math.abs(m),r[1]=Math.abs(U)):(r[0]=Math.abs(U),r[1]=Math.abs(m))}else r[0]=0,r[1]=0;return r}function J(t,a,s,e,n){let r=M[0],o=M[1],c=.5+e,h=.5+e-1,i=a+s+1;switch(t){case 0:{n[0]=0,n[1]=0;break}case 1:{a<=s?d(0,h,i/2,0,a,n):(n[0]=0,n[1]=0);break}case 2:{a>=s?d(i/2,0,i,h,a,n):(n[0]=0,n[1]=0);break}case 3:{d(0,h,i/2,0,a,r),d(i/2,0,i,h,a,o),_(i,M),n[0]=r[0]+o[0],n[1]=r[1]+o[1];break}case 4:{a<=s?d(0,c,i/2,0,a,n):(n[0]=0,n[1]=0);break}case 5:{n[0]=0,n[1]=0;break}case 6:{Math.abs(e)>0?(d(0,c,i,h,a,r),d(0,c,i/2,0,a,o),d(i/2,0,i,h,a,n),o[0]=o[0]+n[0],o[1]=o[1]+n[1],n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2):d(0,c,i,h,a,n);break}case 7:{d(0,c,i,h,a,n);break}case 8:{a>=s?d(i/2,0,i,c,a,n):(n[0]=0,n[1]=0);break}case 9:{Math.abs(e)>0?(d(0,h,i,c,a,r),d(0,h,i/2,0,a,o),d(i/2,0,i,c,a,n),o[0]=o[0]+n[0],o[1]=o[1]+n[1],n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2):d(0,h,i,c,a,n);break}case 10:{n[0]=0,n[1]=0;break}case 11:{d(0,h,i,c,a,n);break}case 12:{d(0,c,i/2,0,a,r),d(i/2,0,i,c,a,o),_(i,M),n[0]=r[0]+o[0],n[1]=r[1]+o[1];break}case 13:{d(0,h,i,c,a,n);break}case 14:{d(0,c,i,h,a,n);break}case 15:{n[0]=0,n[1]=0;break}}return n}function K(t,a,s,e,n,r){let o=t===s&&a===e;if(!o){let c=(t+s)/2,h=(a+e)/2,i=e-a,w=t-s;o=i*(n-c)+w*(r-h)>0}return o}function G(t,a,s,e,n,r){let o=0;for(let c=0;c0&&(a+=o[0],s+=o[1]),w>0&&(e+=o[0],n+=o[1]),c[0]=1-G(a,s,e,n,1+r,0+r),c[1]=G(a,s,e,n,1+r,1+r),c}function Q(t,a,s,e,n){let r=M[0],o=M[1],c=a+s+1;switch(t){case 0:{A(t,1,1,1+c,1+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 1:{A(t,1,0,0+c,0+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 2:{A(t,0,0,1+c,0+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 3:{A(t,1,0,1+c,0+c,a,e,n);break}case 4:{A(t,1,1,0+c,0+c,a,e,r),A(t,1,1,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 5:{A(t,1,1,0+c,0+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 6:{A(t,1,1,1+c,0+c,a,e,n);break}case 7:{A(t,1,1,1+c,0+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 8:{A(t,0,0,1+c,1+c,a,e,r),A(t,1,0,1+c,1+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 9:{A(t,1,0,1+c,1+c,a,e,n),A(t,1,0,1+c,1+c,a,e,n);break}case 10:{A(t,0,0,1+c,1+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 11:{A(t,1,0,1+c,1+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 12:{A(t,1,1,1+c,1+c,a,e,n);break}case 13:{A(t,1,1,1+c,1+c,a,e,r),A(t,1,0,1+c,1+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 14:{A(t,1,1,1+c,1+c,a,e,r),A(t,1,1,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 15:{A(t,1,1,1+c,1+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}}return n}function R(t,a,s){let e=new Float32Array(2);for(let n=0,r=t.length;n{let a=S.generate(),s=E.generate();postMessage({areaImageData:a,searchImageData:s},[a.data.buffer,s.data.buffer]),close()});})();\\n';\n\n// src/textures/smaa/SMAAImageGenerator.js\nfunction generate(useCache = true) {\n const workerURL = URL.createObjectURL(new Blob([worker_default2], {\n type: \"text/javascript\"\n }));\n const worker = new Worker(workerURL);\n URL.revokeObjectURL(workerURL);\n return new Promise((resolve, reject) => {\n worker.addEventListener(\"error\", (event) => reject(event.error));\n worker.addEventListener(\"message\", (event) => {\n const searchImageData = RawImageData.from(event.data.searchImageData);\n const areaImageData = RawImageData.from(event.data.areaImageData);\n const urls = [\n searchImageData.toCanvas().toDataURL(\"image/png\", 1),\n areaImageData.toCanvas().toDataURL(\"image/png\", 1)\n ];\n if (useCache) {\n localStorage.setItem(\"smaa-search\", urls[0]);\n localStorage.setItem(\"smaa-area\", urls[1]);\n }\n resolve(urls);\n });\n worker.postMessage(null);\n });\n}\nvar SMAAImageGenerator = class {\n /**\n * Constructs a new SMAA image generator.\n */\n constructor() {\n this.disableCache = false;\n }\n /**\n * Enables or disables caching via localStorage.\n *\n * @param {Boolean} value - Whether the cache should be enabled.\n */\n setCacheEnabled(value) {\n this.disableCache = !value;\n }\n /**\n * Generates the SMAA data images.\n *\n * @example\n * SMAAImageGenerator.generate().then(([search, area]) => {\n * const smaaEffect = new SMAAEffect(search, area);\n * });\n * @return {Promise} A promise that returns the search image and area image as a pair.\n */\n generate() {\n const useCache = !this.disableCache && window.localStorage !== void 0;\n const cachedURLs = useCache ? [\n localStorage.getItem(\"smaa-search\"),\n localStorage.getItem(\"smaa-area\")\n ] : [null, null];\n const promise = cachedURLs[0] !== null && cachedURLs[1] !== null ? Promise.resolve(cachedURLs) : generate(useCache);\n return promise.then((urls) => {\n return new Promise((resolve, reject) => {\n const searchImage = new Image();\n const areaImage = new Image();\n const manager = new LoadingManager5();\n manager.onLoad = () => resolve([searchImage, areaImage]);\n manager.onError = reject;\n searchImage.addEventListener(\"error\", (e) => manager.itemError(\"smaa-search\"));\n areaImage.addEventListener(\"error\", (e) => manager.itemError(\"smaa-area\"));\n searchImage.addEventListener(\"load\", () => manager.itemEnd(\"smaa-search\"));\n areaImage.addEventListener(\"load\", () => manager.itemEnd(\"smaa-area\"));\n manager.itemStart(\"smaa-search\");\n manager.itemStart(\"smaa-area\");\n searchImage.src = urls[0];\n areaImage.src = urls[1];\n });\n });\n }\n};\n\n// src/textures/smaa/SMAASearchImageData.js\nvar edges = /* @__PURE__ */ new Map([\n [bilinear(0, 0, 0, 0), new Float32Array([0, 0, 0, 0])],\n [bilinear(0, 0, 0, 1), new Float32Array([0, 0, 0, 1])],\n [bilinear(0, 0, 1, 0), new Float32Array([0, 0, 1, 0])],\n [bilinear(0, 0, 1, 1), new Float32Array([0, 0, 1, 1])],\n [bilinear(0, 1, 0, 0), new Float32Array([0, 1, 0, 0])],\n [bilinear(0, 1, 0, 1), new Float32Array([0, 1, 0, 1])],\n [bilinear(0, 1, 1, 0), new Float32Array([0, 1, 1, 0])],\n [bilinear(0, 1, 1, 1), new Float32Array([0, 1, 1, 1])],\n [bilinear(1, 0, 0, 0), new Float32Array([1, 0, 0, 0])],\n [bilinear(1, 0, 0, 1), new Float32Array([1, 0, 0, 1])],\n [bilinear(1, 0, 1, 0), new Float32Array([1, 0, 1, 0])],\n [bilinear(1, 0, 1, 1), new Float32Array([1, 0, 1, 1])],\n [bilinear(1, 1, 0, 0), new Float32Array([1, 1, 0, 0])],\n [bilinear(1, 1, 0, 1), new Float32Array([1, 1, 0, 1])],\n [bilinear(1, 1, 1, 0), new Float32Array([1, 1, 1, 0])],\n [bilinear(1, 1, 1, 1), new Float32Array([1, 1, 1, 1])]\n]);\nfunction lerp2(a, b, p) {\n return a + (b - a) * p;\n}\nfunction bilinear(e0, e1, e2, e3) {\n const a = lerp2(e0, e1, 1 - 0.25);\n const b = lerp2(e2, e3, 1 - 0.25);\n return lerp2(a, b, 1 - 0.125);\n}\nfunction deltaLeft(left, top) {\n let d = 0;\n if (top[3] === 1) {\n d += 1;\n }\n if (d === 1 && top[2] === 1 && left[1] !== 1 && left[3] !== 1) {\n d += 1;\n }\n return d;\n}\nfunction deltaRight(left, top) {\n let d = 0;\n if (top[3] === 1 && left[1] !== 1 && left[3] !== 1) {\n d += 1;\n }\n if (d === 1 && top[2] === 1 && left[0] !== 1 && left[2] !== 1) {\n d += 1;\n }\n return d;\n}\nvar SMAASearchImageData = class {\n /**\n * Creates a new search image.\n *\n * @return {RawImageData} The generated image data.\n */\n static generate() {\n const width = 66;\n const height = 33;\n const halfWidth = width / 2;\n const croppedWidth = 64;\n const croppedHeight = 16;\n const data = new Uint8ClampedArray(width * height);\n const croppedData = new Uint8ClampedArray(croppedWidth * croppedHeight * 4);\n for (let y = 0; y < height; ++y) {\n for (let x = 0; x < width; ++x) {\n const s = 0.03125 * x;\n const t = 0.03125 * y;\n if (edges.has(s) && edges.has(t)) {\n const e1 = edges.get(s);\n const e2 = edges.get(t);\n const i = y * width + x;\n data[i] = 127 * deltaLeft(e1, e2);\n data[i + halfWidth] = 127 * deltaRight(e1, e2);\n }\n }\n }\n for (let i = 0, y = height - croppedHeight; y < height; ++y) {\n for (let x = 0; x < croppedWidth; ++x, i += 4) {\n croppedData[i] = data[y * width + x];\n croppedData[i + 3] = 255;\n }\n }\n return new RawImageData(croppedWidth, croppedHeight, croppedData);\n }\n};\nexport {\n AdaptiveLuminanceMaterial,\n AdaptiveLuminancePass,\n BlendFunction,\n BlendMode,\n BloomEffect,\n KawaseBlurPass as BlurPass,\n BokehEffect,\n BokehMaterial,\n BoxBlurMaterial,\n BoxBlurPass,\n BrightnessContrastEffect,\n ChromaticAberrationEffect,\n CircleOfConfusionMaterial,\n ClearMaskPass,\n ClearPass,\n ColorAverageEffect,\n ColorChannel,\n ColorDepthEffect,\n EdgeDetectionMaterial as ColorEdgesMaterial,\n KawaseBlurMaterial as ConvolutionMaterial,\n CopyMaterial,\n CopyPass,\n DepthComparisonMaterial,\n DepthCopyMaterial,\n DepthCopyMode,\n DepthCopyPass,\n DepthDownsamplingMaterial,\n DepthDownsamplingPass,\n DepthEffect,\n DepthMaskMaterial,\n DepthOfFieldEffect,\n DepthPass,\n DepthPickingPass,\n DepthCopyPass as DepthSavePass,\n DepthTestStrategy,\n Disposable,\n DotScreenEffect,\n DownsamplingMaterial,\n EdgeDetectionMaterial,\n EdgeDetectionMode,\n Effect,\n EffectAttribute,\n EffectComposer,\n EffectMaterial,\n EffectPass,\n EffectShaderData,\n EffectShaderSection,\n FXAAEffect,\n GammaCorrectionEffect,\n GaussKernel,\n GaussianBlurMaterial,\n GaussianBlurPass,\n GlitchEffect,\n GlitchMode,\n GodRaysEffect,\n GodRaysMaterial,\n GridEffect,\n HueSaturationEffect,\n ImmutableTimer,\n Initializable,\n KawaseBlurMaterial,\n KawaseBlurPass,\n KernelSize,\n LUT1DEffect,\n LUT3DEffect,\n LUT3dlLoader,\n LUTCubeLoader,\n LUT3DEffect as LUTEffect,\n LUTOperation,\n LambdaPass,\n LensDistortionEffect,\n LookupTexture,\n LookupTexture as LookupTexture3D,\n LuminanceMaterial,\n LuminancePass,\n MaskFunction,\n MaskMaterial,\n MaskPass,\n MipmapBlurPass,\n NoiseEffect,\n NoiseTexture,\n NormalPass,\n OutlineMaterial as OutlineEdgesMaterial,\n OutlineEffect,\n OutlineMaterial,\n OverrideMaterialManager,\n Pass,\n PixelationEffect,\n PredicationMode,\n RawImageData,\n RealisticBokehEffect,\n RenderPass,\n Resizable,\n Resolution as Resizer,\n Resolution,\n SMAAAreaImageData,\n SMAAEffect,\n SMAAImageGenerator,\n SMAAImageLoader,\n SMAAPreset,\n SMAASearchImageData,\n SMAAWeightsMaterial,\n SSAOEffect,\n SSAOMaterial,\n CopyPass as SavePass,\n ScanlineEffect,\n EffectShaderSection as Section,\n Selection,\n SelectiveBloomEffect,\n SepiaEffect,\n ShaderPass,\n ShockWaveEffect,\n TetrahedralUpscaler,\n TextureEffect,\n TiltShiftBlurMaterial,\n TiltShiftBlurPass,\n TiltShiftEffect,\n Timer,\n ToneMappingEffect,\n ToneMappingMode,\n UpsamplingMaterial,\n VignetteEffect,\n VignetteTechnique,\n WebGLExtension,\n version\n};\n", "import { getScaleFactor } from './Scale';\n\n/**\n * @ignore\n */\nexport function getOrbitShaderFragment() {\n return `\n uniform sampler2D tex;\n\n in vec3 vColor;\n\n void main() {\n gl_FragColor = vec4(vColor, 1.0) * texture(tex, gl_PointCoord);\n }\n `;\n}\n\n/**\n * @ignore\n */\nexport function getOrbitShaderVertex() {\n return `\n in vec3 fuzzColor;\n in vec3 origin;\n \n in float visible;\n in float size;\n\n in float a;\n in float e;\n in float i;\n in float om;\n in float wBar;\n in float M;\n\n // Perihelion distance\n in float q;\n\n // CPU-computed term for parabolic orbits\n in float a0;\n\n out vec3 vColor;\n\n // Cube root helper that assumes param is positive\n float cbrt(float x) {\n return exp(log(x) / 3.0);\n }\n\n vec3 getPosNearParabolic() {\n // See https://stjarnhimlen.se/comp/ppcomp.html#17\n float b = sqrt(1.0 + a0 * a0);\n float W = cbrt(b + a0) - cbrt(b - a0);\n float f = (1.0 - e) / (1.0 + e);\n\n float a1 = 2.0 / 3.0 + (2.0 / 5.0) * W * W;\n float a2 = 7.0 / 5.0 + (33.0 / 35.0) * W * W + (37.0 / 175.0) * pow(W, 4.0);\n float a3 =\n W * W * (432.0 / 175.0 + (956.0 / 1125.0) * W * W + (84.0 / 1575.0) * pow(W, 4.0));\n\n float C = (W * W) / (1.0 + W * W);\n float g = f * C * C;\n float w = W * (1.0 + f * C * (a1 + a2 * g + a3 * g * g));\n\n // True anomaly\n float v = 2.0 * atan(w);\n // Heliocentric distance\n float r = (q * (1.0 + w * w)) / (1.0 + w * w * f);\n\n // Compute heliocentric coords.\n float i_rad = i;\n float o_rad = om;\n float p_rad = wBar;\n float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n return vec3(X, Y, Z);\n }\n\n vec3 getPosHyperbolic() {\n float F0 = M;\n for (int count = 0; count < 100; count++) {\n float F1 = (M + e * (F0 * cosh(F0) - sinh(F0))) / (e * cosh(F0) - 1.0);\n float lastdiff = abs(F1 - F0);\n F0 = F1;\n\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n float F = F0;\n\n float v = 2.0 * atan(sqrt((e + 1.0) / (e - 1.0))) * tanh(F / 2.0);\n float r = ${getScaleFactor().toFixed(\n 1,\n )} * (a * (1.0 - e * e)) / (1.0 + e * cos(v));\n\n // Compute heliocentric coords.\n float i_rad = i;\n float o_rad = om;\n float p_rad = wBar;\n float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n return vec3(X, Y, Z);\n }\n\n vec3 getPosEllipsoid() {\n float i_rad = i;\n float o_rad = om;\n float p_rad = wBar;\n\n // Estimate eccentric and true anom using iterative approximation (this\n // is normally an intergral).\n float E0 = M;\n float E1 = M + e * sin(E0);\n float lastdiff = abs(E1-E0);\n E0 = E1;\n\n for (int count = 0; count < 100; count++) {\n E1 = M + e * sin(E0);\n lastdiff = abs(E1-E0);\n E0 = E1;\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n\n float E = E0;\n float v = 2.0 * atan(sqrt((1.0+e)/(1.0-e)) * tan(E/2.0));\n\n // Compute radius vector.\n float r = ${getScaleFactor().toFixed(\n 1,\n )} * a * (1.0 - e * e) / (1.0 + e * cos(v));\n\n // Compute heliocentric coords.\n float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n return vec3(X, Y, Z);\n }\n\n vec3 getPos() {\n if (e > 0.9 && e < 1.2) {\n return getPosNearParabolic();\n } else if (e > 1.2) {\n return getPosHyperbolic();\n }\n return getPosEllipsoid();\n }\n\n void main() {\n vColor = fuzzColor;\n\n vec3 newpos = getPos() + origin;\n vec4 mvPosition = modelViewMatrix * vec4(newpos, 1.0);\n gl_PointSize = visible > 0.5 ? size : 0.0;\n gl_Position = projectionMatrix * mvPosition;\n }\n `;\n}\n\nexport const STAR_SHADER_FRAGMENT = `\n in vec3 vColor;\n \n void main() {\n float a = 1.0 - 2.0 * length(gl_PointCoord - vec2(0.5, 0.5));\n gl_FragColor = vec4(vColor, a);\n }\n`;\n\nexport const STAR_SHADER_VERTEX = `\n in float size;\n out vec3 vColor;\n\n void main() {\n vColor = color;\n vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);\n gl_PointSize = size;\n gl_Position = projectionMatrix * mvPosition;\n }\n`;\n\nexport const GENERIC_PARTICLE_SHADER_VERTEX = `\n in float size;\n in vec3 customColor;\n \n out vec3 vColor;\n \n void main() {\n vColor = customColor;\n vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);\n gl_PointSize = size * (300.0 / -mvPosition.z);\n gl_Position = projectionMatrix * mvPosition;\n }\n`;\n\nexport const GENERIC_PARTICLE_SHADER_FRAGMENT = `\n uniform vec3 color;\n uniform sampler2D tex;\n \n in vec3 vColor;\n\n void main() {\n gl_FragColor = vec4(color * vColor, 1.0);\n gl_FragColor = gl_FragColor * texture(tex, gl_PointCoord);\n if (gl_FragColor.a < ALPHATEST) discard;\n }\n`;\n\nexport const ATMOSPHERE_SHADER_VERTEX = `\n uniform vec3 lightPos;\n\n out vec2 vUv;\n out vec3 vecPos;\n out vec3 vecNormal;\n //varying vec3 vNormal;\n\n out vec3 vViewLightPos;\n\n void main() {\n //vNormal = normalize(normalMatrix * normal);\n //gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\n\n vUv = uv;\n // Since the light is in camera coordinates,\n // I'll need the vertex position in camera coords too\n vecPos = (modelViewMatrix * vec4(position, 1.0)).xyz;\n // That's NOT exacly how you should transform your\n // normals but this will work fine, since my model\n // matrix is pretty basic\n vecNormal = (modelViewMatrix * vec4(normal, 0.0)).xyz;\n vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz;\n gl_Position = projectionMatrix * vec4(vecPos, 1.0);\n }\n`;\n\n// With help from https://stackoverflow.com/questions/43621274/how-to-correctly-set-lighting-for-custom-shader-material\nexport const ATMOSPHERE_SHADER_FRAGMENT = `\n uniform float c;\n uniform float p;\n uniform vec3 color;\n\n in vec2 vUv;\n in vec3 vecPos;\n in vec3 vecNormal;\n in vec3 vViewLightPos;\n\n void main() {\n float intensity = pow(c - dot(vecNormal, vec3(0.0, 0.0, 1.0)), p);\n\n vec4 addedLights = vec4(0.0, 0.0, 0.0, 1.0);\n vec3 lightDirection = normalize(vecPos - vViewLightPos);\n addedLights.rgb += clamp(dot(-lightDirection, vecNormal), 0.0, 1.0)\n * 1.0 /* intensity */;\n // * pointLights[i].color\n\n gl_FragColor = vec4(color, 1.0) * intensity * addedLights;\n }\n`;\n\nexport const SPHERE_SHADER_VERTEX = `\n uniform vec3 lightPos;\n\n out vec2 vUv;\n out vec3 vNormal;\n out vec3 vViewPosition;\n out vec3 vViewLightPos;\n\n void main() {\n vUv = uv;\n vec4 vViewPosition4 = modelViewMatrix * vec4(position, 1.0);\n vViewPosition = vViewPosition4.xyz;\n vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz;\n vNormal = normalMatrix * normal;\n\n gl_Position = projectionMatrix * vViewPosition4;\n }\n`;\n\nexport const SPHERE_SHADER_FRAGMENT = `\n uniform sampler2D sphereTex;\n\n in vec2 vUv;\n in vec3 vNormal;\n in vec3 vViewPosition;\n in vec3 vViewLightPos;\n\n void main() {\n vec3 normal = normalize(vNormal);\n vec3 lightDir = normalize(vViewLightPos - vViewPosition);\n float lambertian = max(dot(normal, lightDir), 0.0);\n gl_FragColor = texture(sphereTex, vUv) * vec4(vec3(1.0) * lambertian, 1.0);\n }\n`;\n\nexport const RING_SHADER_VERTEX = `\n out vec3 vPos;\n out vec3 vWorldPosition;\n out vec3 vNormal;\n\n void main() {\n vPos = position;\n vec4 worldPosition = (modelMatrix * vec4(position, 1.));\n gl_Position = projectionMatrix * viewMatrix * vec4(worldPosition.xyz, 1.);\n\n vNormal = normalMatrix * normal;\n vWorldPosition = worldPosition.xyz;\n }\n`;\n\nexport const RING_SHADER_FRAGMENT = `\n uniform sampler2D ringTex;\n uniform float innerRadius;\n uniform float outerRadius;\n uniform vec3 lightPos;\n\n in vec3 vNormal;\n in vec3 vPos;\n in vec3 vWorldPosition;\n\n vec4 color() {\n vec2 uv = vec2(0);\n uv.x = (length(vPos) - innerRadius) / (outerRadius - innerRadius);\n if (uv.x < 0.0 || uv.x > 1.0) {\n discard;\n }\n\n vec4 pixel = texture(ringTex, uv);\n return pixel;\n }\n\n vec3 shadow() {\n vec3 lightDir = normalize(vPos - lightPos);\n vec3 planetPos = vec3(0);\n\n vec3 ringPos = vPos - planetPos;\n float posDotLightDir = dot(ringPos, lightDir);\n float posDotLightDir2 = posDotLightDir * posDotLightDir;\n\n // TODO(ian): Generalize this line.\n float radius = 0.0389259903; // radius of saturn in coordinate system\n float radius2 = radius * radius;\n\n if (posDotLightDir > 0.0 && dot(ringPos, ringPos) - posDotLightDir2 < radius2) {\n return vec3(0.0);\n }\n return vec3(1.0);\n }\n\n vec3 lights() {\n vec3 lightDirection = normalize(vWorldPosition - lightPos);\n float c = 0.35 + max(0.0, dot(vNormal, lightDirection)) * 0.4;\n\n return vec3(c);\n }\n\n void main() {\n // NOTE: The order of multiplication matters here. color() may call\n // discard, which would cause problems on some Windows graphics drivers if\n // it is a left operand.\n // https://github.com/typpo/spacekit/issues/22\n gl_FragColor = vec4(lights() * shadow(), 1.0) * color();\n }\n`;\n", "import * as THREE from 'three';\n\nimport { getThreeJsTexture } from './util';\n\nimport { Coordinate3d } from './Coordinates';\nimport { getOrbitShaderVertex, getOrbitShaderFragment } from './shaders';\nimport { Orbit, OrbitType } from './Orbit';\n\nimport type { Ephem } from './Ephem';\nimport { Simulation, SimulationContext, SimulationObject } from \"./Simulation\"\nimport { Box3, Vector3, Sphere } from \"three\"\n\ninterface BaseKeplerParticleOptions {\n color?: number;\n textureUrl?: string;\n basePath?: string;\n jd?: number;\n maxNumParticles?: number;\n}\n\n// TODO(ian): Clean this up - we probably don't need a separate type.\ntype KeplerParticlesOptions = BaseKeplerParticleOptions & {\n defaultSize?: number;\n};\n\ntype KeplerParticleOptions = BaseKeplerParticleOptions & {\n particleSize?: number;\n};\n\ninterface ShaderAttributes {\n visible: THREE.BufferAttribute;\n size: THREE.BufferAttribute;\n origin: THREE.BufferAttribute;\n position: THREE.BufferAttribute;\n fuzzColor: THREE.BufferAttribute;\n a: THREE.BufferAttribute;\n e: THREE.BufferAttribute;\n i: THREE.BufferAttribute;\n om: THREE.BufferAttribute;\n ma: THREE.BufferAttribute;\n n: THREE.BufferAttribute;\n w: THREE.BufferAttribute;\n wBar: THREE.BufferAttribute;\n q: THREE.BufferAttribute;\n M: THREE.BufferAttribute;\n a0: THREE.BufferAttribute;\n}\n\nconst DEFAULT_PARTICLE_COUNT = 4096;\n\n/**\n * Compute mean anomaly at date. Used for elliptical and hyperbolic orbits.\n */\nfunction getM(ephem: Ephem, jd: number): number {\n const d = jd - ephem.get('epoch');\n return ephem.get('ma') + ephem.get('n') * d;\n}\n\nconst PARABOLIC_K = 0.01720209895;\nfunction getA0(ephem: Ephem, jd: number): number {\n const tp = ephem.get('tp');\n const e = ephem.get('e');\n const q = ephem.get('q');\n const d = jd - tp;\n return 0.75 * d * PARABOLIC_K * Math.sqrt((1 + e) / (q * q * q));\n}\n\n/**\n * An efficient way to render many objects in space with Kepler orbits.\n * Primarily used by Simulation to render all non-static objects.\n * @see Simulation\n */\nexport class KeplerParticles implements SimulationObject {\n static instanceCount: number;\n\n private id: string;\n\n private options: KeplerParticlesOptions;\n\n private simulation: Simulation;\n\n private context: SimulationContext;\n\n private addedToScene: boolean;\n\n private particleCount: number;\n\n private elements: Ephem[];\n\n private uniforms: {\n tex: { value: THREE.Texture };\n };\n\n private geometry: THREE.BufferGeometry;\n\n private shaderMaterial: THREE.ShaderMaterial;\n\n private particleSystem: THREE.Points;\n\n private attributes: ShaderAttributes;\n\n /**\n * @param {Object} options Options container\n * @param {Object} options.textureUrl Template url for sprite\n * @param {Object} options.basePath Base path for simulation supporting files\n * @param {Number} options.jd JD date value\n * @param {Number} options.maxNumParticles Maximum number of particles to display. Defaults to 4096\n * @param {Number} options.defaultSize Default size of particles. Note this\n * can be overriden by SpaceObject particleSize. Defaults to 25\n * @param {Object} contextOrSimulation Simulation context or object\n */\n constructor(\n options: KeplerParticlesOptions,\n contextOrSimulation: Simulation,\n ) {\n this.options = options;\n\n this.id = `KeplerParticles__${KeplerParticles.instanceCount}`;\n KeplerParticles.instanceCount++;\n\n this.simulation = contextOrSimulation;\n this.context = contextOrSimulation.getContext();\n\n // Whether Points object has been added to the Simulation/Scene. This\n // happens lazily when the first data point is added in order to prevent\n // WebGL render warnings.\n this.addedToScene = false;\n\n // Number of particles in the scene.\n this.particleCount = 0;\n\n if (!this.options.textureUrl) {\n throw new Error('ParticleSystem requires textureUrl to be set');\n }\n\n const defaultMapTexture = getThreeJsTexture(\n this.options.textureUrl,\n this.context.options.basePath,\n );\n\n this.uniforms = {\n tex: { value: defaultMapTexture },\n };\n\n const particleCount =\n this.options.maxNumParticles || DEFAULT_PARTICLE_COUNT;\n this.elements = [];\n this.attributes = {\n visible: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n size: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n origin: new THREE.BufferAttribute(new Float32Array(particleCount * 3), 3),\n position: new THREE.BufferAttribute(\n new Float32Array(particleCount * 3),\n 3,\n ),\n fuzzColor: new THREE.BufferAttribute(\n new Float32Array(particleCount * 3),\n 3,\n ),\n\n a: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n e: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n i: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n om: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n ma: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n n: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n w: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n wBar: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n q: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n\n M: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n a0: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n };\n this.attributes.M.setUsage(THREE.DynamicDrawUsage);\n this.attributes.a0.setUsage(THREE.DynamicDrawUsage);\n\n const geometry = new THREE.BufferGeometry();\n geometry.setDrawRange(0, 0);\n Object.keys(this.attributes).forEach((attributeName) => {\n const attribute =\n this.attributes[attributeName as keyof ShaderAttributes];\n geometry.setAttribute(attributeName, attribute);\n });\n\n // needs to be set, otherwise Three will hide the particles when the origin is not in the camera view\n geometry.boundingSphere = new Sphere(new Vector3(0, 0, 0), Infinity);\n\n const shader = new THREE.ShaderMaterial({\n uniforms: this.uniforms,\n vertexShader: getOrbitShaderVertex(),\n fragmentShader: getOrbitShaderFragment(),\n\n depthTest: true,\n depthWrite: false,\n transparent: true,\n });\n\n this.shaderMaterial = shader;\n this.geometry = geometry;\n this.particleSystem = new THREE.Points(geometry, shader);\n this.particleSystem.name = this.id;\n }\n\n /**\n * Add a particle to this particle system.\n * @param {Ephem} ephem Kepler ephemeris\n * @param {Object} options Options container\n * @param {Number} options.particleSize Size of particles\n * @param {Number} options.color Color of particles\n * @return {Number} The index of this article in the attribute list.\n */\n addParticle(ephem: Ephem, options: KeplerParticleOptions = {}): number {\n this.elements.push(ephem);\n const attributes = this.attributes;\n const offset = this.particleCount++;\n\n attributes.visible.set([1.0], offset);\n\n attributes.size.set(\n [options.particleSize || this.options.defaultSize || 15],\n offset,\n );\n const color = new THREE.Color(options.color || 0xffffff);\n attributes.fuzzColor.set([color.r, color.g, color.b], offset * 3);\n\n attributes.origin.set([0, 0, 0], offset * 3);\n\n attributes.a.set([ephem.get('a')], offset);\n attributes.e.set([ephem.get('e')], offset);\n attributes.i.set([ephem.get('i', 'rad')], offset);\n attributes.om.set([ephem.get('om', 'rad')], offset);\n attributes.wBar.set([ephem.get('wBar', 'rad')], offset);\n attributes.q.set([ephem.get('q')], offset);\n\n if (Orbit.getOrbitType(ephem) === OrbitType.PARABOLIC) {\n attributes.a0.set([getA0(ephem, this.options.jd || 0)], offset);\n } else {\n attributes.M.set([getM(ephem, this.options.jd || 0)], offset);\n }\n\n // TODO(ian): Set the update range\n for (const attributeKey in attributes) {\n if (attributes.hasOwnProperty(attributeKey)) {\n attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n }\n }\n this.geometry.setDrawRange(0, this.particleCount);\n\n if (!this.addedToScene && this.simulation) {\n // This happens lazily when the first data point is added in order to\n // prevent WebGL render warnings.\n this.simulation.addObject(this);\n this.addedToScene = true;\n }\n\n return offset;\n }\n\n /**\n * Hides the particle at the given offset so it is no longer drawn. The particle still takes up space in the array\n * though.\n * @param offset\n */\n hideParticle(offset: number) {\n this.setParticleVisibility(false, offset);\n }\n\n /**\n * Shows a previously hidden particle.\n * @param offset\n */\n showParticle(offset: number) {\n this.setParticleVisibility(true, offset);\n }\n\n isParticleVisible(offset: number) {\n return offset>= 0 && offset < this.particleCount && this.attributes.visible.array[offset] > 0.5;\n }\n\n /**\n * Shows a previously hidden particle.\n * @param is_visible\n * @param offset\n */\n setParticleVisibility(is_visible: boolean, offset: number) {\n const attributes = this.attributes;\n attributes.visible.set([is_visible ? 1.0 : 0.0], offset);\n\n for (const attributeKey in attributes) {\n if (attributes.hasOwnProperty(attributeKey)) {\n attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n }\n }\n }\n\n /**\n * Is at least one particle visible?\n */\n isVisible() {\n return this.particleCount > 0\n && this.particleSystem.visible\n && this.attributes.visible.array.slice(0, this.particleCount).some((visible) => visible > 0.5);\n }\n\n /**\n * Hide or show all particles globally using the parent object visible property.\n */\n setVisibility(value: boolean) {\n this.particleSystem.visible = value;\n }\n\n /**\n * Changes the size of the particle at the given offset to the given size. Setting the size to 0 hides the particle.\n * @param {Number} size The new size of this particle\n * @param {Number} offset The location of this particle in the attributes * array\n */\n setParticleSize(size: number, offset: number) {\n const attributes = this.attributes;\n attributes.size.set([size], offset);\n\n for (const attributeKey in attributes) {\n if (attributes.hasOwnProperty(attributeKey)) {\n attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n }\n }\n }\n\n /**\n * Changes the color of the particle at the given offset to the given color.\n * @param {Number} colorValue The new color of this particle (e.g. hex number)\n * @param {Number} offset The location of this particle in the attributes * array\n */\n setParticleColor(colorValue: number, offset: number) {\n const attributes = this.attributes;\n const { r, g, b } = new THREE.Color(colorValue);\n attributes.fuzzColor.set([r, g, b], offset * 3);\n\n for (const attributeKey in attributes) {\n if (attributes.hasOwnProperty(attributeKey)) {\n attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n }\n }\n }\n\n /**\n * Change the `origin` attribute of a particle.\n * @param {Number} offset The location of this particle in the attributes * array.\n * @param {Array.} newOrigin The new XYZ coordinates of the body that this particle orbits.\n */\n setParticleOrigin(offset: number, newOrigin: Coordinate3d) {\n this.attributes.origin.set(newOrigin, offset * 3);\n this.attributes.origin.needsUpdate = true;\n }\n\n /**\n * Update the position for all particles\n * @param {Number} jd JD date\n */\n update(jd: number) {\n const Ms: number[] = [];\n const a0s: number[] = [];\n let max_r = 0;\n\n for (let i = 0; i < this.elements.length; i++) {\n const ephem = this.elements[i];\n\n let M, a0;\n if (Orbit.getOrbitType(ephem) === OrbitType.PARABOLIC) {\n a0 = getA0(ephem, jd);\n M = 0;\n } else {\n a0 = 0;\n M = getM(ephem, jd);\n }\n\n Ms.push(M);\n a0s.push(a0);\n max_r = Math.max(max_r, ephem.get('q') * (1 + ephem.get('e')));\n }\n\n this.attributes.M.set(Ms);\n this.attributes.M.needsUpdate = true;\n\n this.attributes.a0.set(a0s);\n this.attributes.a0.needsUpdate = true;\n }\n\n /**\n * Get THREE.js objects that comprise this point cloud\n * @return {Array.} List of objects to add to THREE.js scene\n */\n get3jsObjects(): THREE.Object3D[] {\n return [this.particleSystem];\n }\n\n /**\n * Get unique id for this object.\n * @return {String} Unique id\n */\n getId(): string {\n return this.id;\n }\n\n /**\n * Free all GPU resources\n */\n removalCleanup() {\n this.geometry.dispose();\n this.shaderMaterial.dispose();\n this.uniforms.tex.value.dispose();\n }\n}\n\nKeplerParticles.instanceCount = 0;\n", "import {\n\tBufferGeometry,\n\tFileLoader,\n\tFloat32BufferAttribute,\n\tGroup,\n\tLineBasicMaterial,\n\tLineSegments,\n\tLoader,\n\tMaterial,\n\tMesh,\n\tMeshPhongMaterial,\n\tPoints,\n\tPointsMaterial,\n\tVector3,\n\tColor,\n\tSRGBColorSpace\n} from 'three';\n\n// o object_name | g group_name\nconst _object_pattern = /^[og]\\s*(.+)?/;\n// mtllib file_reference\nconst _material_library_pattern = /^mtllib /;\n// usemtl material_name\nconst _material_use_pattern = /^usemtl /;\n// usemap map_name\nconst _map_use_pattern = /^usemap /;\nconst _face_vertex_data_separator_pattern = /\\s+/;\n\nconst _vA = new Vector3();\nconst _vB = new Vector3();\nconst _vC = new Vector3();\n\nconst _ab = new Vector3();\nconst _cb = new Vector3();\n\nconst _color = new Color();\n\nfunction ParserState() {\n\n\tconst state = {\n\t\tobjects: [],\n\t\tobject: {},\n\n\t\tvertices: [],\n\t\tnormals: [],\n\t\tcolors: [],\n\t\tuvs: [],\n\n\t\tmaterials: {},\n\t\tmaterialLibraries: [],\n\n\t\tstartObject: function ( name, fromDeclaration ) {\n\n\t\t\t// If the current object (initial from reset) is not from a g/o declaration in the parsed\n\t\t\t// file. We need to use it for the first parsed g/o to keep things in sync.\n\t\t\tif ( this.object && this.object.fromDeclaration === false ) {\n\n\t\t\t\tthis.object.name = name;\n\t\t\t\tthis.object.fromDeclaration = ( fromDeclaration !== false );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tconst previousMaterial = ( this.object && typeof this.object.currentMaterial === 'function' ? this.object.currentMaterial() : undefined );\n\n\t\t\tif ( this.object && typeof this.object._finalize === 'function' ) {\n\n\t\t\t\tthis.object._finalize( true );\n\n\t\t\t}\n\n\t\t\tthis.object = {\n\t\t\t\tname: name || '',\n\t\t\t\tfromDeclaration: ( fromDeclaration !== false ),\n\n\t\t\t\tgeometry: {\n\t\t\t\t\tvertices: [],\n\t\t\t\t\tnormals: [],\n\t\t\t\t\tcolors: [],\n\t\t\t\t\tuvs: [],\n\t\t\t\t\thasUVIndices: false\n\t\t\t\t},\n\t\t\t\tmaterials: [],\n\t\t\t\tsmooth: true,\n\n\t\t\t\tstartMaterial: function ( name, libraries ) {\n\n\t\t\t\t\tconst previous = this._finalize( false );\n\n\t\t\t\t\t// New usemtl declaration overwrites an inherited material, except if faces were declared\n\t\t\t\t\t// after the material, then it must be preserved for proper MultiMaterial continuation.\n\t\t\t\t\tif ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {\n\n\t\t\t\t\t\tthis.materials.splice( previous.index, 1 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst material = {\n\t\t\t\t\t\tindex: this.materials.length,\n\t\t\t\t\t\tname: name || '',\n\t\t\t\t\t\tmtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),\n\t\t\t\t\t\tsmooth: ( previous !== undefined ? previous.smooth : this.smooth ),\n\t\t\t\t\t\tgroupStart: ( previous !== undefined ? previous.groupEnd : 0 ),\n\t\t\t\t\t\tgroupEnd: - 1,\n\t\t\t\t\t\tgroupCount: - 1,\n\t\t\t\t\t\tinherited: false,\n\n\t\t\t\t\t\tclone: function ( index ) {\n\n\t\t\t\t\t\t\tconst cloned = {\n\t\t\t\t\t\t\t\tindex: ( typeof index === 'number' ? index : this.index ),\n\t\t\t\t\t\t\t\tname: this.name,\n\t\t\t\t\t\t\t\tmtllib: this.mtllib,\n\t\t\t\t\t\t\t\tsmooth: this.smooth,\n\t\t\t\t\t\t\t\tgroupStart: 0,\n\t\t\t\t\t\t\t\tgroupEnd: - 1,\n\t\t\t\t\t\t\t\tgroupCount: - 1,\n\t\t\t\t\t\t\t\tinherited: false\n\t\t\t\t\t\t\t};\n\t\t\t\t\t\t\tcloned.clone = this.clone.bind( cloned );\n\t\t\t\t\t\t\treturn cloned;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t};\n\n\t\t\t\t\tthis.materials.push( material );\n\n\t\t\t\t\treturn material;\n\n\t\t\t\t},\n\n\t\t\t\tcurrentMaterial: function () {\n\n\t\t\t\t\tif ( this.materials.length > 0 ) {\n\n\t\t\t\t\t\treturn this.materials[ this.materials.length - 1 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t},\n\n\t\t\t\t_finalize: function ( end ) {\n\n\t\t\t\t\tconst lastMultiMaterial = this.currentMaterial();\n\t\t\t\t\tif ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {\n\n\t\t\t\t\t\tlastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;\n\t\t\t\t\t\tlastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;\n\t\t\t\t\t\tlastMultiMaterial.inherited = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Ignore objects tail materials if no face declarations followed them before a new o/g started.\n\t\t\t\t\tif ( end && this.materials.length > 1 ) {\n\n\t\t\t\t\t\tfor ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {\n\n\t\t\t\t\t\t\tif ( this.materials[ mi ].groupCount <= 0 ) {\n\n\t\t\t\t\t\t\t\tthis.materials.splice( mi, 1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Guarantee at least one empty material, this makes the creation later more straight forward.\n\t\t\t\t\tif ( end && this.materials.length === 0 ) {\n\n\t\t\t\t\t\tthis.materials.push( {\n\t\t\t\t\t\t\tname: '',\n\t\t\t\t\t\t\tsmooth: this.smooth\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn lastMultiMaterial;\n\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// Inherit previous objects material.\n\t\t\t// Spec tells us that a declared material must be set to all objects until a new material is declared.\n\t\t\t// If a usemtl declaration is encountered while this new object is being parsed, it will\n\t\t\t// overwrite the inherited material. Exception being that there was already face declarations\n\t\t\t// to the inherited material, then it will be preserved for proper MultiMaterial continuation.\n\n\t\t\tif ( previousMaterial && previousMaterial.name && typeof previousMaterial.clone === 'function' ) {\n\n\t\t\t\tconst declared = previousMaterial.clone( 0 );\n\t\t\t\tdeclared.inherited = true;\n\t\t\t\tthis.object.materials.push( declared );\n\n\t\t\t}\n\n\t\t\tthis.objects.push( this.object );\n\n\t\t},\n\n\t\tfinalize: function () {\n\n\t\t\tif ( this.object && typeof this.object._finalize === 'function' ) {\n\n\t\t\t\tthis.object._finalize( true );\n\n\t\t\t}\n\n\t\t},\n\n\t\tparseVertexIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 3 ) * 3;\n\n\t\t},\n\n\t\tparseNormalIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 3 ) * 3;\n\n\t\t},\n\n\t\tparseUVIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 2 ) * 2;\n\n\t\t},\n\n\t\taddVertex: function ( a, b, c ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddVertexPoint: function ( a ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\n\t\t},\n\n\t\taddVertexLine: function ( a ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\n\t\t},\n\n\t\taddNormal: function ( a, b, c ) {\n\n\t\t\tconst src = this.normals;\n\t\t\tconst dst = this.object.geometry.normals;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddFaceNormal: function ( a, b, c ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.normals;\n\n\t\t\t_vA.fromArray( src, a );\n\t\t\t_vB.fromArray( src, b );\n\t\t\t_vC.fromArray( src, c );\n\n\t\t\t_cb.subVectors( _vC, _vB );\n\t\t\t_ab.subVectors( _vA, _vB );\n\t\t\t_cb.cross( _ab );\n\n\t\t\t_cb.normalize();\n\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\n\t\t},\n\n\t\taddColor: function ( a, b, c ) {\n\n\t\t\tconst src = this.colors;\n\t\t\tconst dst = this.object.geometry.colors;\n\n\t\t\tif ( src[ a ] !== undefined ) dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tif ( src[ b ] !== undefined ) dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tif ( src[ c ] !== undefined ) dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddUV: function ( a, b, c ) {\n\n\t\t\tconst src = this.uvs;\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ] );\n\n\t\t},\n\n\t\taddDefaultUV: function () {\n\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( 0, 0 );\n\t\t\tdst.push( 0, 0 );\n\t\t\tdst.push( 0, 0 );\n\n\t\t},\n\n\t\taddUVLine: function ( a ) {\n\n\t\t\tconst src = this.uvs;\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ] );\n\n\t\t},\n\n\t\taddFace: function ( a, b, c, ua, ub, uc, na, nb, nc ) {\n\n\t\t\tconst vLen = this.vertices.length;\n\n\t\t\tlet ia = this.parseVertexIndex( a, vLen );\n\t\t\tlet ib = this.parseVertexIndex( b, vLen );\n\t\t\tlet ic = this.parseVertexIndex( c, vLen );\n\n\t\t\tthis.addVertex( ia, ib, ic );\n\t\t\tthis.addColor( ia, ib, ic );\n\n\t\t\t// normals\n\n\t\t\tif ( na !== undefined && na !== '' ) {\n\n\t\t\t\tconst nLen = this.normals.length;\n\n\t\t\t\tia = this.parseNormalIndex( na, nLen );\n\t\t\t\tib = this.parseNormalIndex( nb, nLen );\n\t\t\t\tic = this.parseNormalIndex( nc, nLen );\n\n\t\t\t\tthis.addNormal( ia, ib, ic );\n\n\t\t\t} else {\n\n\t\t\t\tthis.addFaceNormal( ia, ib, ic );\n\n\t\t\t}\n\n\t\t\t// uvs\n\n\t\t\tif ( ua !== undefined && ua !== '' ) {\n\n\t\t\t\tconst uvLen = this.uvs.length;\n\n\t\t\t\tia = this.parseUVIndex( ua, uvLen );\n\t\t\t\tib = this.parseUVIndex( ub, uvLen );\n\t\t\t\tic = this.parseUVIndex( uc, uvLen );\n\n\t\t\t\tthis.addUV( ia, ib, ic );\n\n\t\t\t\tthis.object.geometry.hasUVIndices = true;\n\n\t\t\t} else {\n\n\t\t\t\t// add placeholder values (for inconsistent face definitions)\n\n\t\t\t\tthis.addDefaultUV();\n\n\t\t\t}\n\n\t\t},\n\n\t\taddPointGeometry: function ( vertices ) {\n\n\t\t\tthis.object.geometry.type = 'Points';\n\n\t\t\tconst vLen = this.vertices.length;\n\n\t\t\tfor ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {\n\n\t\t\t\tconst index = this.parseVertexIndex( vertices[ vi ], vLen );\n\n\t\t\t\tthis.addVertexPoint( index );\n\t\t\t\tthis.addColor( index );\n\n\t\t\t}\n\n\t\t},\n\n\t\taddLineGeometry: function ( vertices, uvs ) {\n\n\t\t\tthis.object.geometry.type = 'Line';\n\n\t\t\tconst vLen = this.vertices.length;\n\t\t\tconst uvLen = this.uvs.length;\n\n\t\t\tfor ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {\n\n\t\t\t\tthis.addVertexLine( this.parseVertexIndex( vertices[ vi ], vLen ) );\n\n\t\t\t}\n\n\t\t\tfor ( let uvi = 0, l = uvs.length; uvi < l; uvi ++ ) {\n\n\t\t\t\tthis.addUVLine( this.parseUVIndex( uvs[ uvi ], uvLen ) );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tstate.startObject( '', false );\n\n\treturn state;\n\n}\n\n//\n\nclass OBJLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t\tthis.materials = null;\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( text ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tsetMaterials( materials ) {\n\n\t\tthis.materials = materials;\n\n\t\treturn this;\n\n\t}\n\n\tparse( text ) {\n\n\t\tconst state = new ParserState();\n\n\t\tif ( text.indexOf( '\\r\\n' ) !== - 1 ) {\n\n\t\t\t// This is faster than String.split with regex that splits on both\n\t\t\ttext = text.replace( /\\r\\n/g, '\\n' );\n\n\t\t}\n\n\t\tif ( text.indexOf( '\\\\\\n' ) !== - 1 ) {\n\n\t\t\t// join lines separated by a line continuation character (\\)\n\t\t\ttext = text.replace( /\\\\\\n/g, '' );\n\n\t\t}\n\n\t\tconst lines = text.split( '\\n' );\n\t\tlet result = [];\n\n\t\tfor ( let i = 0, l = lines.length; i < l; i ++ ) {\n\n\t\t\tconst line = lines[ i ].trimStart();\n\n\t\t\tif ( line.length === 0 ) continue;\n\n\t\t\tconst lineFirstChar = line.charAt( 0 );\n\n\t\t\t// @todo invoke passed in handler if any\n\t\t\tif ( lineFirstChar === '#' ) continue; // skip comments\n\n\t\t\tif ( lineFirstChar === 'v' ) {\n\n\t\t\t\tconst data = line.split( _face_vertex_data_separator_pattern );\n\n\t\t\t\tswitch ( data[ 0 ] ) {\n\n\t\t\t\t\tcase 'v':\n\t\t\t\t\t\tstate.vertices.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 3 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tif ( data.length >= 7 ) {\n\n\t\t\t\t\t\t\t_color.setRGB(\n\t\t\t\t\t\t\t\tparseFloat( data[ 4 ] ),\n\t\t\t\t\t\t\t\tparseFloat( data[ 5 ] ),\n\t\t\t\t\t\t\t\tparseFloat( data[ 6 ] ),\n\t\t\t\t\t\t\t\tSRGBColorSpace\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tstate.colors.push( _color.r, _color.g, _color.b );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// if no colors are defined, add placeholders so color and vertex indices match\n\n\t\t\t\t\t\t\tstate.colors.push( undefined, undefined, undefined );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'vn':\n\t\t\t\t\t\tstate.normals.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 3 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'vt':\n\t\t\t\t\t\tstate.uvs.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t} else if ( lineFirstChar === 'f' ) {\n\n\t\t\t\tconst lineData = line.slice( 1 ).trim();\n\t\t\t\tconst vertexData = lineData.split( _face_vertex_data_separator_pattern );\n\t\t\t\tconst faceVertices = [];\n\n\t\t\t\t// Parse the face vertex data into an easy to work with format\n\n\t\t\t\tfor ( let j = 0, jl = vertexData.length; j < jl; j ++ ) {\n\n\t\t\t\t\tconst vertex = vertexData[ j ];\n\n\t\t\t\t\tif ( vertex.length > 0 ) {\n\n\t\t\t\t\t\tconst vertexParts = vertex.split( '/' );\n\t\t\t\t\t\tfaceVertices.push( vertexParts );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// Draw an edge between the first vertex and all subsequent vertices to form an n-gon\n\n\t\t\t\tconst v1 = faceVertices[ 0 ];\n\n\t\t\t\tfor ( let j = 1, jl = faceVertices.length - 1; j < jl; j ++ ) {\n\n\t\t\t\t\tconst v2 = faceVertices[ j ];\n\t\t\t\t\tconst v3 = faceVertices[ j + 1 ];\n\n\t\t\t\t\tstate.addFace(\n\t\t\t\t\t\tv1[ 0 ], v2[ 0 ], v3[ 0 ],\n\t\t\t\t\t\tv1[ 1 ], v2[ 1 ], v3[ 1 ],\n\t\t\t\t\t\tv1[ 2 ], v2[ 2 ], v3[ 2 ]\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t} else if ( lineFirstChar === 'l' ) {\n\n\t\t\t\tconst lineParts = line.substring( 1 ).trim().split( ' ' );\n\t\t\t\tlet lineVertices = [];\n\t\t\t\tconst lineUVs = [];\n\n\t\t\t\tif ( line.indexOf( '/' ) === - 1 ) {\n\n\t\t\t\t\tlineVertices = lineParts;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( let li = 0, llen = lineParts.length; li < llen; li ++ ) {\n\n\t\t\t\t\t\tconst parts = lineParts[ li ].split( '/' );\n\n\t\t\t\t\t\tif ( parts[ 0 ] !== '' ) lineVertices.push( parts[ 0 ] );\n\t\t\t\t\t\tif ( parts[ 1 ] !== '' ) lineUVs.push( parts[ 1 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tstate.addLineGeometry( lineVertices, lineUVs );\n\n\t\t\t} else if ( lineFirstChar === 'p' ) {\n\n\t\t\t\tconst lineData = line.slice( 1 ).trim();\n\t\t\t\tconst pointData = lineData.split( ' ' );\n\n\t\t\t\tstate.addPointGeometry( pointData );\n\n\t\t\t} else if ( ( result = _object_pattern.exec( line ) ) !== null ) {\n\n\t\t\t\t// o object_name\n\t\t\t\t// or\n\t\t\t\t// g group_name\n\n\t\t\t\t// WORKAROUND: https://bugs.chromium.org/p/v8/issues/detail?id=2869\n\t\t\t\t// let name = result[ 0 ].slice( 1 ).trim();\n\t\t\t\tconst name = ( ' ' + result[ 0 ].slice( 1 ).trim() ).slice( 1 );\n\n\t\t\t\tstate.startObject( name );\n\n\t\t\t} else if ( _material_use_pattern.test( line ) ) {\n\n\t\t\t\t// material\n\n\t\t\t\tstate.object.startMaterial( line.substring( 7 ).trim(), state.materialLibraries );\n\n\t\t\t} else if ( _material_library_pattern.test( line ) ) {\n\n\t\t\t\t// mtl file\n\n\t\t\t\tstate.materialLibraries.push( line.substring( 7 ).trim() );\n\n\t\t\t} else if ( _map_use_pattern.test( line ) ) {\n\n\t\t\t\t// the line is parsed but ignored since the loader assumes textures are defined MTL files\n\t\t\t\t// (according to https://www.okino.com/conv/imp_wave.htm, 'usemap' is the old-style Wavefront texture reference method)\n\n\t\t\t\tconsole.warn( 'THREE.OBJLoader: Rendering identifier \"usemap\" not supported. Textures must be defined in MTL files.' );\n\n\t\t\t} else if ( lineFirstChar === 's' ) {\n\n\t\t\t\tresult = line.split( ' ' );\n\n\t\t\t\t// smooth shading\n\n\t\t\t\t// @todo Handle files that have varying smooth values for a set of faces inside one geometry,\n\t\t\t\t// but does not define a usemtl for each face set.\n\t\t\t\t// This should be detected and a dummy material created (later MultiMaterial and geometry groups).\n\t\t\t\t// This requires some care to not create extra material on each smooth value for \"normal\" obj files.\n\t\t\t\t// where explicit usemtl defines geometry groups.\n\t\t\t\t// Example asset: examples/models/obj/cerberus/Cerberus.obj\n\n\t\t\t\t/*\n\t\t\t\t\t * http://paulbourke.net/dataformats/obj/\n\t\t\t\t\t *\n\t\t\t\t\t * From chapter \"Grouping\" Syntax explanation \"s group_number\":\n\t\t\t\t\t * \"group_number is the smoothing group number. To turn off smoothing groups, use a value of 0 or off.\n\t\t\t\t\t * Polygonal elements use group numbers to put elements in different smoothing groups. For free-form\n\t\t\t\t\t * surfaces, smoothing groups are either turned on or off; there is no difference between values greater\n\t\t\t\t\t * than 0.\"\n\t\t\t\t\t */\n\t\t\t\tif ( result.length > 1 ) {\n\n\t\t\t\t\tconst value = result[ 1 ].trim().toLowerCase();\n\t\t\t\t\tstate.object.smooth = ( value !== '0' && value !== 'off' );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// ZBrush can produce \"s\" lines #11707\n\t\t\t\t\tstate.object.smooth = true;\n\n\t\t\t\t}\n\n\t\t\t\tconst material = state.object.currentMaterial();\n\t\t\t\tif ( material ) material.smooth = state.object.smooth;\n\n\t\t\t} else {\n\n\t\t\t\t// Handle null terminated files without exception\n\t\t\t\tif ( line === '\\0' ) continue;\n\n\t\t\t\tconsole.warn( 'THREE.OBJLoader: Unexpected line: \"' + line + '\"' );\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.finalize();\n\n\t\tconst container = new Group();\n\t\tcontainer.materialLibraries = [].concat( state.materialLibraries );\n\n\t\tconst hasPrimitives = ! ( state.objects.length === 1 && state.objects[ 0 ].geometry.vertices.length === 0 );\n\n\t\tif ( hasPrimitives === true ) {\n\n\t\t\tfor ( let i = 0, l = state.objects.length; i < l; i ++ ) {\n\n\t\t\t\tconst object = state.objects[ i ];\n\t\t\t\tconst geometry = object.geometry;\n\t\t\t\tconst materials = object.materials;\n\t\t\t\tconst isLine = ( geometry.type === 'Line' );\n\t\t\t\tconst isPoints = ( geometry.type === 'Points' );\n\t\t\t\tlet hasVertexColors = false;\n\n\t\t\t\t// Skip o/g line declarations that did not follow with any faces\n\t\t\t\tif ( geometry.vertices.length === 0 ) continue;\n\n\t\t\t\tconst buffergeometry = new BufferGeometry();\n\n\t\t\t\tbuffergeometry.setAttribute( 'position', new Float32BufferAttribute( geometry.vertices, 3 ) );\n\n\t\t\t\tif ( geometry.normals.length > 0 ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'normal', new Float32BufferAttribute( geometry.normals, 3 ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.colors.length > 0 ) {\n\n\t\t\t\t\thasVertexColors = true;\n\t\t\t\t\tbuffergeometry.setAttribute( 'color', new Float32BufferAttribute( geometry.colors, 3 ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.hasUVIndices === true ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'uv', new Float32BufferAttribute( geometry.uvs, 2 ) );\n\n\t\t\t\t}\n\n\t\t\t\t// Create materials\n\n\t\t\t\tconst createdMaterials = [];\n\n\t\t\t\tfor ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {\n\n\t\t\t\t\tconst sourceMaterial = materials[ mi ];\n\t\t\t\t\tconst materialHash = sourceMaterial.name + '_' + sourceMaterial.smooth + '_' + hasVertexColors;\n\t\t\t\t\tlet material = state.materials[ materialHash ];\n\n\t\t\t\t\tif ( this.materials !== null ) {\n\n\t\t\t\t\t\tmaterial = this.materials.create( sourceMaterial.name );\n\n\t\t\t\t\t\t// mtl etc. loaders probably can't create line materials correctly, copy properties to a line material.\n\t\t\t\t\t\tif ( isLine && material && ! ( material instanceof LineBasicMaterial ) ) {\n\n\t\t\t\t\t\t\tconst materialLine = new LineBasicMaterial();\n\t\t\t\t\t\t\tMaterial.prototype.copy.call( materialLine, material );\n\t\t\t\t\t\t\tmaterialLine.color.copy( material.color );\n\t\t\t\t\t\t\tmaterial = materialLine;\n\n\t\t\t\t\t\t} else if ( isPoints && material && ! ( material instanceof PointsMaterial ) ) {\n\n\t\t\t\t\t\t\tconst materialPoints = new PointsMaterial( { size: 10, sizeAttenuation: false } );\n\t\t\t\t\t\t\tMaterial.prototype.copy.call( materialPoints, material );\n\t\t\t\t\t\t\tmaterialPoints.color.copy( material.color );\n\t\t\t\t\t\t\tmaterialPoints.map = material.map;\n\t\t\t\t\t\t\tmaterial = materialPoints;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( material === undefined ) {\n\n\t\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\t\tmaterial = new LineBasicMaterial();\n\n\t\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\t\tmaterial = new PointsMaterial( { size: 1, sizeAttenuation: false } );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tmaterial = new MeshPhongMaterial();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tmaterial.name = sourceMaterial.name;\n\t\t\t\t\t\tmaterial.flatShading = sourceMaterial.smooth ? false : true;\n\t\t\t\t\t\tmaterial.vertexColors = hasVertexColors;\n\n\t\t\t\t\t\tstate.materials[ materialHash ] = material;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcreatedMaterials.push( material );\n\n\t\t\t\t}\n\n\t\t\t\t// Create mesh\n\n\t\t\t\tlet mesh;\n\n\t\t\t\tif ( createdMaterials.length > 1 ) {\n\n\t\t\t\t\tfor ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {\n\n\t\t\t\t\t\tconst sourceMaterial = materials[ mi ];\n\t\t\t\t\t\tbuffergeometry.addGroup( sourceMaterial.groupStart, sourceMaterial.groupCount, mi );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\tmesh = new LineSegments( buffergeometry, createdMaterials );\n\n\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\tmesh = new Points( buffergeometry, createdMaterials );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tmesh = new Mesh( buffergeometry, createdMaterials );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\tmesh = new LineSegments( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\tmesh = new Points( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tmesh = new Mesh( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tmesh.name = object.name;\n\n\t\t\t\tcontainer.add( mesh );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// if there is only the default parser state object with no geometry data, interpret data as point cloud\n\n\t\t\tif ( state.vertices.length > 0 ) {\n\n\t\t\t\tconst material = new PointsMaterial( { size: 1, sizeAttenuation: false } );\n\n\t\t\t\tconst buffergeometry = new BufferGeometry();\n\n\t\t\t\tbuffergeometry.setAttribute( 'position', new Float32BufferAttribute( state.vertices, 3 ) );\n\n\t\t\t\tif ( state.colors.length > 0 && state.colors[ 0 ] !== undefined ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'color', new Float32BufferAttribute( state.colors, 3 ) );\n\t\t\t\t\tmaterial.vertexColors = true;\n\n\t\t\t\t}\n\n\t\t\t\tconst points = new Points( buffergeometry, material );\n\t\t\t\tcontainer.add( points );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn container;\n\n\t}\n\n}\n\nexport { OBJLoader };\n", "import * as THREE from 'three';\n\nimport { Mesh, Object3D, PerspectiveCamera } from \"three\"\n\nimport { EphemPresets } from './EphemPresets';\nimport { Orbit } from './Orbit';\nimport { getFullTextureUrl } from './util';\nimport { rescaleArray, rescaleNumber } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\nimport type { Ephem } from './Ephem';\nimport type { EphemerisTable } from './EphemerisTable';\nimport type {\n Simulation,\n SimulationContext,\n SimulationObject,\n} from './Simulation';\nimport { Object3DJSONObject } from \"three/src/core/Object3D\"\n\nexport interface SpaceObjectOptions {\n position?: Coordinate3d;\n scale?: [number, number, number];\n particleSize?: number;\n labelText?: string;\n labelUrl?: string;\n hideOrbit?: boolean;\n axialTilt?: number;\n color?: number;\n radius?: number;\n levelsOfDetail?: { radii: number; segments: number }[];\n atmosphere?: {\n color?: number;\n innerSizeRatio?: number;\n outerSizeRatio?: number;\n enable?: boolean;\n };\n orbitPathSettings?: {\n leadDurationYears?: number;\n trailDurationYears?: number;\n numberSamplePoints?: number;\n };\n ephem?: Ephem;\n ephemTable?: EphemerisTable;\n textureUrl?: string;\n basePath?: string;\n rotation?: {\n enable: boolean;\n period: number; // Rotational period in days\n speed?: number; // Speed of rotation in degrees/rendering tick, do not set if want realistic rotation\n lambdaDeg?: number; // North Pole Ecliptic Longitude\n betaDeg?: number; // North Pole Ecliptic Latitude\n yorp?: number;\n phi0?: number; // Initial rotation angle\n jd0?: number; // JD epoch of rotational parameters\n };\n shape?: {\n shapeUrl?: string;\n color?: number;\n };\n ecliptic?: {\n lineColor?: number;\n displayLines?: boolean;\n };\n theme?: {\n color?: number;\n orbitColor?: number;\n };\n debug?: {\n showAxes: boolean;\n showGrid: boolean;\n };\n}\n\n/**\n * @private\n * Minimum number of degrees per day an object must move in order for its\n * position to be updated in the visualization.\n */\n// const MIN_DEG_MOVE_PER_DAY: number = 0.05;\n\n/**\n * @private\n * Number of milliseconds between label position updates.\n */\nconst LABEL_UPDATE_MS: number = 30;\n\n/**\n * @private\n * Converts [X, Y, Z] position in visualization to pixel coordinates.\n */\nfunction toScreenXY(\n position: Coordinate3d,\n camera: PerspectiveCamera,\n canvas: HTMLCanvasElement,\n): { x: number; y: number } {\n const pos = new THREE.Vector3(position[0], position[1], position[2]);\n pos.project(camera);\n return {\n x: ((pos.x + 1) * canvas.clientWidth) / 2,\n y: ((-pos.y + 1) * canvas.clientHeight) / 2,\n };\n}\n\n/**\n * An object that can be added to a visualization.\n * @example\n * ```\n * const myObject = viz.addObject('planet1', {\n * position: [0, 0, 0],\n * scale: [1, 1, 1],\n * particleSize: 5,\n * labelText: 'My object',\n * labelUrl: 'http://...',\n * hideOrbit: false,\n * ephem: new Spacekit.Ephem({...}),\n * textureUrl: '/path/to/spriteTexture.png',\n * basePath: '/base',\n * ecliptic: {\n * lineColor: 0xCCCCCC,\n * displayLines: false,\n * },\n * theme: {\n * color: 0xFFFFFF,\n * orbitColor: 0x888888,\n * },\n * });\n * ```\n */\nexport class SpaceObject implements SimulationObject {\n protected _id: string;\n\n protected _options: SpaceObjectOptions;\n\n protected _simulation: Simulation;\n\n protected _context: SimulationContext;\n\n protected _materials: THREE.Material[]; // needed for cleanup\n protected _geometries: THREE.BufferGeometry[]; // needed for cleanup\n protected _textures: THREE.Texture[]; // needed for cleanup\n\n protected _renderMethod?:\n | 'SPRITE'\n | 'PARTICLESYSTEM'\n | 'ROTATING_OBJECT'\n | 'SPHERE';\n\n protected _initialized: boolean;\n\n private _object3js?: THREE.Object3D;\n\n private _useEphemTable: boolean;\n\n private _isStaticObject: boolean;\n\n private _label?: HTMLElement;\n\n private _showLabel: boolean;\n\n private _lastLabelUpdate: number;\n\n // private _lastPositionUpdate: number;\n\n private _position: Coordinate3d;\n\n private _orbitAround?: SpaceObject;\n\n private _scale: [number, number, number];\n\n private _particleIndex?: number;\n\n // private _degreesPerDay?: number;\n\n private _orbitPath?: THREE.Object3D;\n\n private _eclipticLines?: THREE.Object3D;\n\n private _orbit?: Orbit;\n\n /**\n * @param {String} id Unique id of this object\n * @param {Object} options Options container\n * @param {Array.} options.position [X, Y, Z] heliocentric coordinates of object. Defaults to [0, 0, 0]\n * @param {Array.} options.scale Scale of object on each [X, Y, Z] axis. Defaults to [1, 1, 1]\n * @param {Number} options.particleSize Size of particle if this object is a Kepler object being represented as a particle.\n * @param {String} options.labelText Text label to display above object (set undefined for no label)\n * @param {String} options.labelUrl Label becomes a link that goes to this url.\n * @param {boolean} options.hideOrbit If true, don't show an orbital ellipse. Defaults false.\n * @param {Object} options.orbitPathSettings Contains settings for defining the orbit path\n * @param {Object} options.orbitPathSettings.leadDurationYears orbit path lead time in years\n * @param {Object} options.orbitPathSettings.trailDurationYears orbit path trail time in years\n * @param {Object} options.orbitPathSettings.numberSamplePoints number of\n * points to use when drawing the orbit line. Only applicable for\n * non-elliptical and ephemeris table orbits.\n * @param {Ephem} options.ephem Ephemerides for this orbit\n * @param {EphemerisTable} options.ephemTable ephemeris table object which represents look up ephemeris\n * @param {String} options.textureUrl Texture for sprite\n * @param {String} options.basePath Base path for simulation assets and data\n * @param {Object} options.ecliptic Contains settings related to ecliptic\n * @param {Number} options.ecliptic.lineColor Hex color of lines that run perpendicular to ecliptic. @see Orbit\n * @param {boolean} options.ecliptic.displayLines Whether to show ecliptic lines. Defaults false.\n * @param {Object} options.theme Contains settings related to appearance of orbit\n * @param {Number} options.theme.color Hex color of the object, if applicable\n * @param {Number} options.theme.orbitColor Hex color of the orbit\n * @param {Simulation} contextOrSimulation Simulation context or simulation object\n * @param {boolean} autoInit Automatically initialize this object. If false\n * you must call init() manually.\n */\n constructor(\n id: string,\n options: SpaceObjectOptions,\n simulation: Simulation,\n autoInit: boolean = true,\n ) {\n this._id = id;\n this._options = options || {};\n this._object3js = undefined;\n this._useEphemTable = this._options.ephemTable !== undefined;\n this._isStaticObject = !this._options.ephem && !this._useEphemTable;\n\n this._simulation = simulation;\n this._context = simulation.getContext();\n\n this._materials = [];\n this._geometries = [];\n this._textures = [];\n\n this._label = undefined;\n this._showLabel = false;\n this._lastLabelUpdate = 0;\n // this._lastPositionUpdate = 0;\n\n this._position = rescaleArray(this._options.position || [0, 0, 0]);\n this._orbitAround = undefined;\n this._scale = this._options.scale || [1, 1, 1];\n\n // The method of rendering used for this object (e.g. SPRITE, PARTICLESYSTEM).\n this._renderMethod = undefined;\n\n // The index of this particle in the KeplerParticles system, if applicable.\n this._particleIndex = undefined;\n\n // Number of degrees moved per day. Used to limit the number of orbit\n // updates for very slow moving objects.\n /*\n this._degreesPerDay = this._options.ephem\n ? this._options.ephem.get('n', 'deg')\n : undefined;\n */\n\n this._initialized = false;\n if (autoInit && !this.init()) {\n console.warn(`SpaceObject ${id}: failed to initialize`);\n }\n }\n\n /**\n * Initializes label and three.js objects. Called automatically unless you've\n * set autoInit to false in constructor (this init is suppressed by some\n * child classes).\n */\n init(): boolean {\n this.renderObject();\n\n if (this._options.labelText) {\n const labelElt = this.createLabel();\n this._simulation.getSimulationElement().appendChild(labelElt);\n this._label = labelElt;\n this._showLabel = true;\n }\n\n /**\n * Caching of THREE.js objects for orbitPath\n */\n this._orbitPath = undefined;\n this._eclipticLines = undefined;\n\n this.update(this._simulation.getJd(), true /* force */);\n\n this._initialized = true;\n return true;\n }\n\n /**\n * @private\n * Build the THREE.js object for this SpaceObject.\n */\n private renderObject() {\n let includeIfMissing = true;\n\n if (!this.isStaticObject()) {\n // Create the orbit no matter what - it's used to get current position\n // for CPU-positioned objects (e.g. child RotatingObjects, SphereObjects,\n // ShapeObjects).\n // TODO(ian): Only do this if we need to compute orbit position on the\n // CPU or display an orbit path.\n this._orbit = this.createOrbit();\n }\n\n if (!this._renderMethod) {\n // TODO(ian): It kinda sucks to have SpaceObject care about\n // renderMethod, which is set by children.\n\n if (this.isStaticObject()) {\n // Create a stationary sprite.\n this._object3js = this.createSprite();\n this._object3js.name = `${this._id}-sprite`;\n this._renderMethod = 'SPRITE';\n } else {\n if (this._useEphemTable) {\n this._object3js = this.createSprite();\n this._object3js.name = `${this._id}-sprite`;\n this._renderMethod = 'SPRITE';\n } else {\n // Create a particle representing this object on the GPU.\n this.addParticle();\n this._renderMethod = 'PARTICLESYSTEM';\n includeIfMissing = false;\n }\n }\n }\n\n if (includeIfMissing && this._simulation.getObject(this._id) === undefined) {\n this._simulation.addObject(this, false /* noUpdate */)\n }\n }\n\n private addParticle() {\n if (!this._options.ephem) {\n throw new Error(\n 'Attempting to create a particle system, but ephemeris are not available.',\n );\n }\n this._particleIndex = this._context.objects.particles.addParticle(\n this._options.ephem,\n {\n particleSize: this._options.particleSize,\n color: this.getColor(),\n },\n );\n }\n\n /**\n * @private\n * Builds the label div and adds it to the visualization\n * @return {HTMLElement} A div that contains the label for this object\n */\n private createLabel(): HTMLElement {\n const text = document.createElement('div');\n text.className = 'spacekit__object-label';\n\n const { labelText, labelUrl } = this._options;\n if (this._options.labelUrl) {\n text.innerHTML = ``;\n } else {\n text.innerHTML = `
${labelText}
`;\n }\n text.style.fontFamily = 'Arial';\n text.style.fontSize = '12px';\n text.style.color = '#fff';\n text.style.position = 'absolute';\n\n text.style.backgroundColor = '#0009';\n text.style.outline = '1px solid #5f5f5f';\n\n return text;\n }\n\n /**\n * @private\n * Updates the label's position\n * @param {Array.Number} newpos Position of the label in the visualization's\n * coordinate system\n */\n private updateLabelPosition(newpos: Coordinate3d) {\n if (!this._label) {\n throw new Error('Attempted to update label position without a label');\n }\n\n const label = this._label;\n const simulationElt = this._simulation.getSimulationElement();\n const pos = toScreenXY(\n newpos,\n this._simulation.getViewer().get3jsCamera(),\n simulationElt,\n );\n const loc = {\n left: pos.x,\n top: pos.y,\n right: pos.x + label.clientWidth,\n bottom: pos.y + label.clientHeight,\n };\n if (\n loc.left - 30 > 0 &&\n loc.right + 20 < simulationElt.clientWidth &&\n loc.top - 25 > 0 &&\n loc.bottom < simulationElt.clientHeight\n ) {\n label.style.left = `${loc.left - label.clientWidth / 2}px`;\n label.style.top = `${loc.top - label.clientHeight - 8}px`;\n label.style.visibility = 'visible';\n } else {\n label.style.visibility = 'hidden';\n }\n }\n\n /**\n * @private\n * Builds the sprite for this object\n * @return {THREE.Sprite} A sprite object\n */\n private createSprite(): THREE.Sprite {\n if (!this._options.textureUrl) {\n throw new Error('Cannot create sprite without a textureUrl');\n }\n const fullTextureUrl = getFullTextureUrl(\n this._options.textureUrl,\n this._context.options.basePath,\n );\n const texture = new THREE.TextureLoader().load(fullTextureUrl);\n texture.colorSpace = THREE.SRGBColorSpace;\n this._textures.push(texture);\n\n const material = new THREE.SpriteMaterial({\n map: texture,\n blending: THREE.AdditiveBlending,\n depthWrite: false,\n color: this._options.color ?? this._options.theme?.color ?? 0xffffff,\n sizeAttenuation: this._options.radius !== undefined,\n });\n this._materials.push(material);\n\n const sprite = new THREE.Sprite(material);\n\n if (this._options.radius !== undefined) {\n const d = this._options.radius * 2;\n const scale = rescaleArray(this._scale);\n sprite.scale.set(scale[0] * d, scale[1] * d, scale[2] * d);\n }\n else {\n const s = (this._options.particleSize ?? this._context.options.particleDefaultSize ?? 15) / 15 * 0.02;\n sprite.scale.set(s, s, s);\n }\n\n const position = this.getPosition(this._simulation.getJd());\n sprite.position.set(position[0], position[1], position[2]);\n\n if (this.isStaticObject()) {\n sprite.updateMatrix();\n sprite.matrixAutoUpdate = false;\n }\n\n return sprite;\n }\n\n /**\n * @private\n * Builds the {Orbit} for this object\n * @return {Orbit} An orbit object\n */\n private createOrbit(): Orbit {\n if (this._orbit) {\n return this._orbit;\n }\n\n const ephem = this._useEphemTable\n ? this._options.ephemTable\n : this._options.ephem;\n if (!ephem) {\n throw new Error('Cannot create orbit without Ephem or EphemerisTable');\n }\n return new Orbit(ephem, {\n orbitPathSettings: this._options.orbitPathSettings,\n color: this._options.theme?.orbitColor,\n eclipticLineColor: this._options.ecliptic?.lineColor,\n });\n }\n\n /**\n * @private\n * Determines whether to update the position of an update. Don't update if JD\n * threshold is less than a certain amount.\n * @param {Number} afterJd Next JD\n * @return {boolean} Whether to update\n */\n private shouldUpdateObjectPosition(afterJd: number): boolean {\n // TODO(ian): Reenable this as a function of zoom level, because as you get\n // closer the chopiness gets more noticeable.\n return true;\n /*\n if (!this._degreesPerDay || !this._lastPositionUpdate) {\n return true;\n }\n const degMove = this._degreesPerDay * (afterJd - this._lastPositionUpdate);\n if (degMove < MIN_DEG_MOVE_PER_DAY) {\n return false;\n }\n return true;\n */\n }\n\n /**\n * @protected\n * Used by child classes to set the object that gets its position updated.\n * @param {THREE.Object3D} obj Any THREE.js object\n */\n protected setPositionedObject(obj: THREE.Object3D) {\n this._object3js = obj;\n }\n\n protected getScale(): [number, number, number] {\n return this._scale;\n }\n\n /**\n * Make this object orbit another orbit.\n * @param {Object} spaceObj The SpaceObject that will serve as the origin of this object's orbit.\n */\n orbitAround(spaceObj: SpaceObject) {\n this._orbitAround = spaceObj;\n\n // force orbit update\n if (this._orbitPath) {\n this._simulation.getScene().remove(this._orbitPath);\n }\n this._orbitPath = undefined;\n this.update(this._simulation.getJd(), true /* force */);\n }\n\n /**\n * Updates the position of this object. Applicable only if this object is a\n * sprite and not a particle type.\n * @param {Number} x X position\n * @param {Number} y Y position\n * @param {Number} z Z position\n */\n setPosition(x: number, y: number, z: number) {\n this._position[0] = rescaleNumber(x);\n this._position[1] = rescaleNumber(y);\n this._position[2] = rescaleNumber(z);\n }\n\n /**\n * Gets the visualization coordinates of this object at a given time.\n * @param {Number} jd JD date\n * @return {Array.} [X, Y,Z] coordinates\n */\n getPosition(jd: number): Coordinate3d {\n const pos = this._position;\n if (!this._orbit) {\n // Default implementation, a static object.\n return pos;\n }\n\n const posModified = this._orbit.getPositionAtTime(jd);\n if (this._orbitAround) {\n const parentPos = this._orbitAround.getPosition(jd);\n return [\n pos[0] + posModified[0] + parentPos[0],\n pos[1] + posModified[1] + parentPos[1],\n pos[2] + posModified[2] + parentPos[2],\n ];\n }\n return [\n pos[0] + posModified[0],\n pos[1] + posModified[1],\n pos[2] + posModified[2],\n ];\n }\n\n /**\n * Updates the object and its label positions for a given time.\n * @param {Number} jd JD date\n * @param {boolean} force Whether to force an update regardless of checks for\n * movement.\n */\n update(jd: number, force: boolean = false) {\n let newpos;\n if (this._label) {\n // Labels must update, even for static objects.\n // TODO(ian): Determine this based on orbit and camera position change.\n const meetsLabelUpdateThreshold =\n +new Date() - this._lastLabelUpdate > LABEL_UPDATE_MS;\n const shouldUpdateLabelPos =\n force || (this._showLabel && meetsLabelUpdateThreshold);\n if (shouldUpdateLabelPos) {\n if (!newpos) {\n newpos = this.getPosition(jd);\n }\n this.updateLabelPosition(newpos);\n this._lastLabelUpdate = +new Date();\n }\n }\n\n if (this.isStaticObject() && !force) {\n return;\n }\n\n let shouldUpdateObjectPosition = false;\n if (this._object3js || this._label) {\n shouldUpdateObjectPosition = force || this.shouldUpdateObjectPosition(jd);\n }\n if (this._object3js && shouldUpdateObjectPosition) {\n newpos = this.getPosition(jd);\n this._object3js.position.set(newpos[0], newpos[1], newpos[2]);\n // this._lastPositionUpdate = jd;\n }\n\n const orbitNeedsRefreshing =\n !this._orbitPath || this._orbit?.needsUpdateForTime(jd);\n if (this._orbit && !this._options.hideOrbit && orbitNeedsRefreshing) {\n if (this._orbitPath) {\n this._simulation.getScene().remove(this._orbitPath);\n }\n this._orbitPath = this._orbit.getOrbitShape(jd, true, this._orbitAround);\n this._orbitPath.name = `${this._id}-orbit`;\n this._simulation.getScene().add(this._orbitPath);\n }\n\n const eclipticNeedsRefreshing =\n !this._eclipticLines || orbitNeedsRefreshing;\n if (\n this._orbit &&\n this._options.ecliptic &&\n this._options.ecliptic.displayLines &&\n eclipticNeedsRefreshing\n ) {\n if (this._eclipticLines) {\n this._simulation.getScene().remove(this._eclipticLines);\n }\n this._eclipticLines = this._orbit.getLinesToEcliptic();\n this._eclipticLines.name = `${this._id}-orbit-ec-lines`;\n this._simulation.getScene().add(this._eclipticLines);\n }\n\n if (this._orbitAround) {\n const parentPos = this._orbitAround.getPosition(jd);\n if (this._particleIndex !== undefined) {\n // TODO(ian): Only do this when the origin changes\n this._context.objects.particles?.setParticleOrigin(\n this._particleIndex!,\n parentPos,\n );\n }\n\n if (!this._options.hideOrbit && !this._orbit?.isHeliocentric()) {\n this._orbitPath?.position.set(parentPos[0], parentPos[1], parentPos[2]);\n this._eclipticLines?.position.set(parentPos[0], parentPos[1], parentPos[2]);\n }\n }\n }\n\n /**\n * Gets the THREE.js objects that represent this SpaceObject. The first\n * object returned is the primary object. Other objects may be returned,\n * such as rings, ellipses, etc.\n * @return {Array.} A list of THREE.js objects\n */\n get3jsObjects(): THREE.Object3D[] {\n const ret = [];\n if (this._object3js) {\n ret.push(this._object3js);\n }\n if (this._orbit) {\n if (this._orbitPath) {\n ret.push(this._orbitPath);\n }\n\n if (this._eclipticLines) {\n ret.push(this._eclipticLines);\n }\n }\n return ret;\n }\n\n /**\n * Specifies the object that is used to compute the bounding box. By default,\n * this will be the first THREE.js object in this class's list of objects.\n * @return {THREE.Object3D} THREE.js object\n */\n async getBoundingObject(): Promise {\n return Promise.resolve(this.get3jsObjects()[0]);\n }\n\n /**\n * Gets the color of this object. Usually this corresponds to the color of\n * the dot representing the object as well as its orbit.\n * @return {Number} A hexidecimal color value, e.g. 0xFFFFFF\n */\n getColor(): number {\n if (this._options.theme) {\n return this._options.theme.color || 0xffffff;\n }\n return 0xffffff;\n }\n\n /**\n * Gets the {Orbit} object for this SpaceObject.\n * @return {Orbit} Orbit object\n */\n getOrbit(): Orbit | undefined {\n return this._orbit;\n }\n\n /**\n * Gets label visilibity status.\n * @return {boolean} Whether label is visible.\n */\n getLabelVisibility(): boolean {\n return this._showLabel;\n }\n\n /**\n * Gets the label HTML Element.\n * @return {HTMLElement | undefined} The label element.\n */\n getLabelElement(): HTMLElement | undefined {\n return this._label;\n }\n\n /**\n * Toggle the visilibity of the label.\n * @param {boolean} val Whether to show or hide.\n */\n setLabelVisibility(val: boolean) {\n if (!this._label) {\n throw new Error('Attempted to set label visibility without a label');\n }\n\n if (val) {\n this._showLabel = true;\n this._label.style.display = 'block';\n } else {\n this._showLabel = false;\n this._label.style.display = 'none';\n }\n }\n\n /**\n * Gets the unique ID of this object.\n * @return {String} Unique ID\n */\n getId(): string {\n return this._id;\n }\n\n /**\n * Determines whether object is static (can't change its position) or whether\n * its position can be updated (ie, it has ephemeris)\n * @return {boolean} Whether this object can change its position.\n */\n isStaticObject(): boolean {\n return this._isStaticObject;\n }\n\n /**\n * Determines whether object is ready to be measured or added to scene.\n * @return {boolean} True if ready\n */\n isReady(): boolean {\n return this._initialized;\n }\n\n setVisibility(val: boolean) {\n this.get3jsObjects().forEach((obj) => {\n obj.visible = val;\n });\n if (this._particleIndex !== undefined) {\n this._context?.objects.particles.setParticleVisibility(val, this._particleIndex);\n }\n this.setLabelVisibility(val);\n }\n\n isVisible(): boolean {\n let visible = this.get3jsObjects().some(obj => obj.visible);\n if (this._particleIndex !== undefined) {\n visible = visible || this._context?.objects.particles.isParticleVisible(this._particleIndex);\n }\n visible = visible || this._showLabel;\n return visible;\n }\n\n removalCleanup() {\n if (this._label) {\n this._simulation.getSimulationElement().removeChild(this._label);\n this._label = undefined;\n }\n\n if (this._particleIndex !== undefined) {\n this._context?.objects.particles.hideParticle(this._particleIndex);\n if (!this._context?.objects.particles.isVisible()) {\n this._simulation.removeObject(this._context?.objects.particles);\n }\n }\n\n this._orbit?.removalCleanup();\n this._geometries.forEach(g => { g.dispose(); });\n this._materials.forEach(m => { m.dispose(); });\n this._textures.forEach(t => { t.dispose(); });\n }\n}\n\nexport const DEFAULT_PLANET_TEXTURE_URL = '{{assets}}/sprites/smallparticle.png';\n\n/**\n * Useful presets for creating SpaceObjects.\n * @example\n * ```\n * const myobject = viz.addObject('planet1', Spacekit.SpaceObjectPresets.MERCURY);\n * ```\n */\nexport const SpaceObjectPresets = {\n SUN: {\n textureUrl: '{{assets}}/sprites/lensflare0.png',\n position: [0, 0, 0],\n radius: 0.5, // massive radius for backwards compatibility, 0.00465 AU is the real value\n },\n MERCURY: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x913cee,\n },\n ephem: EphemPresets.MERCURY,\n },\n VENUS: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xff7733,\n },\n ephem: EphemPresets.VENUS,\n },\n EARTH: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x009acd,\n },\n ephem: EphemPresets.EARTH,\n },\n MOON: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xffd700,\n },\n ephem: EphemPresets.MOON,\n\n // Special params\n particleSize: 6,\n },\n MARS: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xa63a3a,\n },\n ephem: EphemPresets.MARS,\n },\n JUPITER: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xffb90f,\n },\n ephem: EphemPresets.JUPITER,\n },\n SATURN: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x336633,\n },\n ephem: EphemPresets.SATURN,\n },\n URANUS: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x0099ff,\n },\n ephem: EphemPresets.URANUS,\n },\n NEPTUNE: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x3333ff,\n },\n ephem: EphemPresets.NEPTUNE,\n },\n PLUTO: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xccc0b0,\n },\n ephem: EphemPresets.PLUTO,\n },\n};\n", "import * as THREE from 'three';\n\nimport Units from './Units';\nimport { SpaceObject } from './SpaceObject';\nimport { rescaleVector } from './Scale';\n\nimport type { Simulation } from './Simulation';\nimport type { SpaceObjectOptions } from './SpaceObject';\n\nfunction getAxis(src: THREE.Vector3, dst: THREE.Vector3, color: number) {\n const mat = new THREE.LineBasicMaterial({ linewidth: 3, color });\n const geom = new THREE.BufferGeometry().setFromPoints([\n rescaleVector(src).clone(),\n rescaleVector(dst).clone(),\n ]);\n\n const axis = new THREE.Line(geom, mat);\n axis.computeLineDistances();\n return axis;\n}\n\nfunction getAxes() {\n return [\n getAxis(new THREE.Vector3(0, 0, 0), new THREE.Vector3(3, 0, 0), 0xff0000),\n getAxis(new THREE.Vector3(0, 0, 0), new THREE.Vector3(0, 3, 0), 0x00ff00),\n getAxis(new THREE.Vector3(0, 0, 0), new THREE.Vector3(0, 0, 3), 0x0000ff),\n ];\n}\n\n/**\n * This class simulates an object that spins according to provided rotational\n * parameters.\n */\nexport class RotatingObject extends SpaceObject {\n protected _obj: THREE.Object3D;\n\n private _objectIsRotatable: boolean;\n\n // private _axisRotationAngleOffset: number;\n\n private _axisOfRotation?: THREE.Vector3;\n\n /*\n * FIXME(ian): This implementation is still WIP! Rotational parameters are not\n * used right now.\n * @param {boolean} options.rotation.enable Rotate the object\n * @param {Number} options.rotation.speed Rotates the object even though no time elapsed, degs/rendering tick\n * @param {Number} options.rotation.lambdaDeg Ecliptic longitude lambda, in degrees\n * @param {Number} options.rotation.betaDeg Ecliptic longitude beta, in degrees\n * @param {Number} options.rotation.period Rotational period, in JD\n * @param {Number} options.rotation.yorp YORP coefficient, if any (defaults to 0)\n * @param {Number} options.rotation.phi0 Initial rotation phi, in degrees (defaults to 0)\n * @param {Number} options.rotation.jd0 JD epoch of rotational parameters\n * @see SpaceObject\n */\n constructor(\n id: string,\n options: SpaceObjectOptions,\n simulation: Simulation,\n autoInit: boolean = true,\n ) {\n super(id, options, simulation, false /* autoInit */);\n\n // The THREE.js object\n this._obj = new THREE.Object3D();\n this._obj.name = `${this._id}-rot-obj`;\n this._renderMethod = 'ROTATING_OBJECT';\n super.setPositionedObject(this._obj);\n\n this._objectIsRotatable = !!this._options.rotation;\n\n // Offset of axis angle\n // this._axisRotationAngleOffset = 0;\n this._axisOfRotation = undefined;\n\n if (autoInit) {\n this.init();\n }\n }\n\n override init(): boolean {\n if (this._objectIsRotatable) {\n this.initRotation();\n }\n\n if (this._options.debug) {\n if (this._options.debug.showAxes) {\n getAxes().forEach((axis) => {\n this._materials.push(axis.material as THREE.Material);\n this._geometries.push(axis.geometry as THREE.BufferGeometry);\n this._obj.add(axis);\n });\n }\n\n if (this._options.debug.showGrid) {\n const gridHelper = new THREE.GridHelper(3, 3, 0xff0000, 0xffeeee);\n gridHelper.geometry.rotateX(Math.PI / 2);\n this._materials.push(gridHelper.material);\n this._geometries.push(gridHelper.geometry);\n this._obj.add(gridHelper);\n }\n }\n\n return super.init();\n }\n\n initRotation() {\n if (!this._options.rotation) {\n throw new Error(\n 'Must specify `rotation` option when creating a RotatingObject',\n );\n }\n\n const { rotation } = this._options;\n if (typeof rotation.jd0 === 'undefined') {\n return;\n }\n\n // Formula\n // https://astro.troja.mff.cuni.cz/projects/asteroids3D/web.php?page=db_description\n\n // Testing this asteroid:\n // http://astro.troja.mff.cuni.cz/projects/asteroids3D/web.php?page=db_asteroid_detail&asteroid_id=1504\n // Model 2691\n\n // Cacus\n // http://astro.troja.mff.cuni.cz/projects/asteroids3D/web.php?page=db_asteroid_detail&asteroid_id=1046\n // http://astro.troja.mff.cuni.cz/projects/asteroids3D/php.php?script=db_sky_projection&model_id=1863&jd=2443568.0\n\n // North Pole Ecliptic Longitude\n const eLon = Units.rad(rotation.lambdaDeg || 0);\n\n // North Pole Ecliptic Latitude\n const eLat = Units.rad(rotation.betaDeg || 0);\n\n // Current simulation time in JD\n const JD = this._simulation.getJd();\n\n // Z axis is ecliptic North, X towards the sun at March equinox, Y is 90 deg to the east from X.\n // Assume the object's Z-axis is its rotation axis. Rotate it to point to (lambda, beta).\n // see Fig. 1 from https://astropedia.astrogeology.usgs.gov/download/Docs/WGCCRE/WGCCRE2015reprint.pdf\n // NOTE: the above reference seems to have a mistake as it says 90deg - a0, whereas 90deg + a0 seems to be correct.\n const W = this._z_rotation(JD)\n if (typeof W !== 'undefined') {\n this._obj.rotateZ((Math.PI / 2) + eLon); // Rotate X-axis to the body equator\n this._obj.rotateX((Math.PI / 2) - eLat); // Rotate Z-axis to the correct lat and lon\n this._obj.rotateZ(W); // Rotate around the Z-axis to spin the body the correct amount\n }\n }\n\n _z_rotation(jd: number) {\n if (typeof this._options.rotation === 'undefined') {\n return undefined;\n }\n const { period, yorp, phi0, jd0 } = this._options.rotation;\n if (typeof jd0 === 'undefined') {\n return undefined;\n }\n\n return (Units.rad(phi0 || 0) +\n ((2 * Math.PI) / period) * (jd - jd0) +\n (1 / 2) * (yorp || 0) * Math.pow(jd - jd0, 2)) % (2 * Math.PI);\n }\n\n /**\n * Updates the object and its label positions for a given time.\n * @param {Number} jd JD date\n */\n override update(jd: number, force: boolean = false) {\n if (\n this._obj &&\n this._objectIsRotatable &&\n this._options.rotation &&\n this._options.rotation.enable\n ) {\n if (this._axisOfRotation) {\n // this._obj.rotateOnAxis(this._axisOfRotation, 0.01);\n }\n if (this._options.rotation.speed) {\n this._obj.rotateZ(Units.rad(this._options.rotation.speed))\n }\n else {\n // Rotate the object around the Z axis\n const z_rot = this._z_rotation(jd);\n if (typeof z_rot !== 'undefined') {\n this._obj.rotation.z = z_rot;\n }\n }\n }\n\n // Update position\n super.update(jd, force);\n }\n\n /**\n * Gets the THREE.js objects that represent this SpaceObject.\n * @return {Array.} A list of THREE.js objects\n */\n override get3jsObjects(): THREE.Object3D[] {\n const ret = super.get3jsObjects();\n // NOTE: super.setPositionedObject(this._obj) in constructor already includes this._obj in the list\n return ret;\n }\n\n /**\n * Begin rotating this object.\n */\n startRotation() {\n if (!this._options.rotation) {\n throw new Error(\n 'Must specify `rotation` option when creating a RotatingObject',\n );\n }\n this._options.rotation.enable = true;\n }\n\n /**\n * Stop rotation of this object.\n */\n stopRotation() {\n if (!this._options.rotation) {\n throw new Error(\n 'Must specify `rotation` option when creating a RotatingObject',\n );\n }\n this._options.rotation.enable = false;\n }\n}\n", "import * as THREE from 'three';\nimport { OBJLoader } from 'three/examples/jsm/loaders/OBJLoader.js';\n\nimport { RotatingObject } from './RotatingObject';\n\nimport type { Simulation } from './Simulation';\nimport type { SpaceObjectOptions } from './SpaceObject';\n\nexport class ShapeObject extends RotatingObject {\n private shapeObj: THREE.Object3D | undefined;\n\n private loadingPromise: Promise;\n\n /**\n * @param {Object} options.shape Shape specification\n * @param {String} options.shape.type Type of object (\"custom\" or \"sphere\")\n * @param {String} options.shape.shapeUrl Path to shapefile if type is \"custom\"\n * @param {Number} options.shape.textureUrl Optional texture map for shape\n * @param {Number} options.shape.color Color of shape materials. Default 0xcccccc\n * @param {Number} options.shape.radius Radius, if applicable. Defaults to 1\n * @param {Object} options.shape.debug Debug options\n * @param {boolean} options.shape.debug.showAxes Show axes\n * rotation speed. Default 0.5\n * @see SpaceObject\n * @see RotatingObject\n */\n constructor(id: string, options: SpaceObjectOptions, simulation: Simulation) {\n super(id, options, simulation, false /* autoInit */);\n if (!options.shape) {\n throw new Error('ShapeObject requires an options.shape object');\n }\n if (!options.shape?.shapeUrl) {\n throw new Error(\n 'Must specify shape.shapeUrl when creating a ShapeObject',\n );\n }\n\n this.shapeObj = undefined;\n\n const manager = new THREE.LoadingManager();\n manager.onProgress = (item: string, loaded: number, total: number) => {\n console.info(this._id, item, 'loading progress:', loaded, '/', total);\n };\n this.loadingPromise = new Promise((resolve) => {\n const loader = new OBJLoader(manager);\n // TODO(ian): Make shapeurl follow assetpath logic.\n loader.load(options.shape!.shapeUrl!, (object) => {\n object.traverse((child: unknown) => {\n if (child instanceof THREE.Mesh) {\n const material = new THREE.MeshStandardMaterial({\n color: this._options.shape!.color || 0xcccccc,\n });\n child.material = material;\n child.geometry.scale(0.05, 0.05, 0.05);\n /*\n child.geometry.computeFaceNormals();\n child.geometry.computeVertexNormals();\n child.geometry.computeBoundingBox();\n */\n this._geometries.push(child.geometry);\n this._materials.push(material);\n if (material.map) {\n this._textures.push(material.map as THREE.Texture);\n }\n }\n });\n\n object.name = `${this._id}-shape-obj`;\n this.shapeObj = object;\n this._obj.add(object);\n\n if (this._simulation) {\n // Add it all to visualization.\n this._simulation.addObject(this, false /* noUpdate */);\n }\n\n this._initialized = true;\n resolve(this.shapeObj);\n });\n });\n\n // TODO(ian): Create an orbit if applicable\n super.init();\n }\n\n /**\n * Specifies the object that is used to compute the bounding box.\n * @return {THREE.Object3D} THREE.js object\n */\n override async getBoundingObject(): Promise {\n return this.loadingPromise;\n }\n}\n", "import * as THREE from 'three';\n\nimport type {\n Simulation,\n SimulationContext,\n SimulationObject,\n} from './Simulation';\nimport { getFullTextureUrl } from './util';\nimport { Material } from \"three\"\nimport { MeshBasicMaterial } from \"three/src/materials/MeshBasicMaterial\"\n\ninterface SkyboxOptions {\n textureUrl: string;\n basePath: string;\n}\n\n/**\n * A class that adds a skybox (technically a skysphere) to a visualization.\n */\nexport class Skybox implements SimulationObject {\n private simulation: Simulation;\n\n private context: SimulationContext;\n\n private id: string;\n\n private options: SkyboxOptions;\n\n private mesh?: THREE.Mesh;\n\n /**\n * @param {Object} options Options\n * @param {String} options.textureUrl Texture to use\n * @param {String} options.basePath Base path to simulation supporting files\n * @param {Simulation} simulation Simulation object\n */\n constructor(options: SkyboxOptions, simulation: Simulation) {\n // TODO(ian): Support for actual box instead of sphere...\n this.options = options;\n this.id = `__skybox_${new Date().getTime()}`;\n\n // User passed in Simulation\n this.simulation = simulation;\n this.context = simulation.getContext();\n\n this.mesh = undefined;\n\n this.init();\n }\n\n /**\n * @private\n */\n private init() {\n const geometry = new THREE.SphereGeometry(1e10, 32, 32);\n\n const fullTextureUrl = getFullTextureUrl(\n this.options.textureUrl,\n this.context.options.basePath,\n );\n const texture = new THREE.TextureLoader().load(fullTextureUrl);\n texture.colorSpace = THREE.SRGBColorSpace;\n\n const material = new THREE.MeshBasicMaterial({\n map: texture,\n side: THREE.BackSide,\n });\n\n const sky = new THREE.Mesh(geometry, material);\n sky.name = this.id;\n\n // See this thread on orientation of milky way:\n // https://www.physicsforums.com/threads/orientation-of-the-earth-sun-and-solar-system-in-the-milky-way.888643/\n sky.rotation.x = 0;\n sky.rotation.y = (-1 / 12) * Math.PI;\n sky.rotation.z = (8 / 5) * Math.PI;\n\n // We're on the inside of the skybox, so invert it to correct it.\n sky.scale.set(-1, 1, 1);\n\n this.mesh = sky;\n\n if (this.simulation) {\n this.simulation.addObject(this, true /* noUpdate */);\n }\n }\n\n /**\n * A list of THREE.js objects that are used to compose the skybox.\n * @return {THREE.Object3D[]} Skybox mesh\n */\n get3jsObjects(): THREE.Object3D[] {\n if (this.mesh) {\n return [this.mesh];\n }\n return [];\n }\n\n /**\n * Get the unique ID of this object.\n * @return {String} id\n */\n getId(): string {\n return this.id;\n }\n\n update() {\n // Skyboxes don't update\n }\n\n isVisible() {\n return this.mesh?.visible ?? false;\n }\n\n setVisibility(val: boolean) {\n if (this.mesh) {\n this.mesh.visible = val;\n }\n }\n\n /**\n * Free all GPU resources\n */\n removalCleanup() {\n if (this.mesh) {\n this.mesh.geometry.dispose();\n (this.mesh.material as MeshBasicMaterial).dispose();\n (this.mesh.material as MeshBasicMaterial).map?.dispose();\n }\n }\n}\n\n/**\n * Preset skybox objects that you can use to add a skybox to your\n * visualization.\n * @example\n * ```\n * const skybox = viz.createSkybox(Spacekit.SkyboxPresets.NASA_TYCHO);\n * ```\n */\nexport const SkyboxPresets: Record = {\n ESO_GIGAGALAXY: {\n textureUrl: '{{assets}}/skybox/eso_milkyway.jpg',\n },\n ESO_LITE: {\n textureUrl: '{{assets}}/skybox/eso_lite.png',\n },\n NASA_TYCHO: {\n // from https://svs.gsfc.nasa.gov/3895\n textureUrl: '{{assets}}/skybox/nasa_tycho.jpg',\n },\n};\n", "import * as THREE from 'three';\n//import { TranslucentShader } from 'three/examples/jsm/shaders/TranslucentShader.js';\n\nimport Units from './Units';\nimport { RotatingObject } from './RotatingObject';\nimport { rescaleArray, rescaleNumber } from \"./Scale\"\nimport {\n ATMOSPHERE_SHADER_VERTEX,\n ATMOSPHERE_SHADER_FRAGMENT,\n RING_SHADER_VERTEX,\n RING_SHADER_FRAGMENT,\n SPHERE_SHADER_VERTEX,\n SPHERE_SHADER_FRAGMENT,\n} from './shaders';\n\nimport type { IUniform } from 'three';\nimport type { Simulation } from './Simulation';\nimport type { SpaceObjectOptions } from './SpaceObject';\nimport { DEFAULT_PLANET_TEXTURE_URL } from './SpaceObject';\nimport { getFullTextureUrl } from \"./util\"\n\n/**\n * Simulates a planet or other object as a perfect sphere.\n */\nexport class SphereObject extends RotatingObject {\n /**\n * @param {String} options.textureUrl Path to basic texture (optional)\n * @param {String} options.bumpMapUrl Path to bump map (optional)\n * @param {String} options.specularMapUrl Path to specular map (optional)\n * @param {Number} options.color Hex color of the sphere\n * @param {Number} options.axialTilt Axial tilt in degrees (rotation options will override this)\n * @param {Number} options.radius Radius of sphere. Defaults to 1\n * @param {Object} options.levelsOfDetail List of {threshold: x, segments:\n * y}, where `threshold` is radii distance and `segments` is the number\n * number of sphere faces to render.\n * @param {Object} options.atmosphere Atmosphere options\n * @param {Object} options.atmosphere.enable Show atmosphere\n * @param {Object} options.atmosphere.color Atmosphere color\n * @param {Object} options.atmosphere.innerSizeRatio Size ratio of the inner\n * atmosphere to the radius of the sphere. Defaults to 0.025\n * @param {Object} options.atmosphere.outerSizeRatio Size ratio of the outer\n * atmosphere to the radius of the sphere. Defaults to 0.15\n * @param {Object} options.debug Debug options\n * @param {boolean} options.debug.showAxes Show axes\n * @see SpaceObject\n * @see RotatingObject\n */\n constructor(id: string, options: SpaceObjectOptions, simulation: Simulation) {\n super(id, options, simulation, false /* autoInit */);\n\n this.init();\n }\n\n override init(): boolean {\n let map: THREE.Texture | null = null;\n if (this._options.textureUrl) {\n map = new THREE.TextureLoader().load(this._options.textureUrl);\n map.colorSpace = THREE.SRGBColorSpace;\n this._textures.push(map);\n }\n\n const color = this._options.color ?? this._options.theme?.color ?? 0xbbbbbb;\n const detailedObj = new THREE.LOD();\n const levelsOfDetail = this._options.levelsOfDetail || [\n { radii: 0, segments: 64 },\n ];\n const radius = this.getScaledRadius();\n\n for (let i = 0; i < levelsOfDetail.length; i += 1) {\n const level = levelsOfDetail[i];\n let lodObj: THREE.Object3D;\n\n if (level.segments > 0) {\n const sphereGeometry = new THREE.SphereGeometry(\n radius,\n level.segments,\n level.segments,\n );\n this._geometries.push(sphereGeometry);\n\n let material: THREE.ShaderMaterial | THREE.MeshBasicMaterial;\n if (this._simulation.isUsingLightSources()) {\n if (map === null) {\n console.warn(`SphereObject ${this._id} requires a texture when using a light source.`);\n }\n const uniforms: Record = {\n sphereTex: {\n value: map,\n },\n lightPos: {\n value: new THREE.Vector3(),\n },\n };\n // TODO(ian): Handle if no map\n uniforms.lightPos.value.copy(this._simulation.getLightPosition());\n material = new THREE.ShaderMaterial({\n uniforms,\n vertexShader: SPHERE_SHADER_VERTEX,\n fragmentShader: SPHERE_SHADER_FRAGMENT,\n transparent: true,\n });\n } else {\n material = new THREE.MeshBasicMaterial({ map, color });\n }\n this._materials.push(material);\n\n lodObj = new THREE.Mesh(sphereGeometry, material);\n lodObj.receiveShadow = true;\n lodObj.castShadow = true;\n\n // Change the coordinate system to have Z-axis pointed up.\n lodObj.rotation.x = Math.PI / 2;\n }\n else {\n // create a sprite instead, marking the position of the object when too far away to show otherwise\n const textureUrl = getFullTextureUrl(DEFAULT_PLANET_TEXTURE_URL, this._context.options.basePath);\n const spriteMap = new THREE.TextureLoader().load(textureUrl);\n spriteMap.colorSpace = THREE.SRGBColorSpace;\n this._textures.push(spriteMap);\n\n const spriteMaterial = new THREE.SpriteMaterial({\n map: spriteMap,\n color: color,\n blending: THREE.AdditiveBlending,\n depthWrite: false,\n sizeAttenuation: false,\n });\n this._materials.push(spriteMaterial);\n\n const s = (this._options.particleSize ?? this._context.options.particleDefaultSize ?? 15) / 15 * 0.02;\n lodObj = new THREE.Sprite(spriteMaterial);\n lodObj.scale.set(s, s, s);\n }\n\n // Show this number of segments at distance >= radii * level.radii.\n detailedObj.addLevel(lodObj, radius * level.radii);\n }\n detailedObj.name = `${this._id}-detailed`;\n\n // Add to the parent base object.\n this._obj.add(detailedObj);\n\n if (this._options.atmosphere && this._options.atmosphere.enable) {\n const atmosphere = this.renderFullAtmosphere();\n if (atmosphere) {\n this._obj.add(atmosphere);\n }\n }\n\n if (this._options.axialTilt && this._options.rotation?.lambdaDeg === undefined) {\n this._obj.rotation.y += Units.rad(this._options.axialTilt);\n }\n\n this._renderMethod = 'SPHERE';\n\n return super.init();\n }\n\n /**\n * @private\n */\n private getScaledRadius(): number {\n return rescaleNumber(this._options.radius || 1);\n }\n\n /**\n * @private\n * Model the atmosphere as two layers - a thick inner layer and a diffuse\n * outer one.\n */\n private renderFullAtmosphere() {\n if (!this._simulation.isUsingLightSources()) {\n console.warn('Cannot render atmosphere without a light source');\n return null;\n }\n\n const radius = this.getScaledRadius();\n const color = new THREE.Color(this._options?.atmosphere?.color ?? 0xffffff);\n\n const innerSize =\n radius * (this._options?.atmosphere?.innerSizeRatio ?? 0.025);\n const outerSize =\n radius * (this._options?.atmosphere?.outerSizeRatio ?? 0.15);\n\n const detailedObj = new THREE.Object3D();\n detailedObj.add(\n this.renderAtmosphereComponent(radius, innerSize, 0.8, 2.0, color),\n );\n detailedObj.add(\n this.renderAtmosphereComponent(radius, outerSize, 0.5, 4.0, color),\n );\n\n // Hide atmosphere beyond some multiple of radius distance.\n // TODO(ian): This effect is somewhat jarring when the atmosphere first\n // appears, also arbitrary...\n const ret = new THREE.LOD();\n ret.addLevel(detailedObj, 0);\n ret.addLevel(new THREE.Object3D(), radius * 24);\n ret.name = `${this._id}-atm`;\n return ret;\n }\n\n /**\n * @private\n * @param {Number} radius Radius of object\n * @param {Number} size Size of atmosphere\n * @param {Number} coefficient Coefficient value\n * @param {Number} power Power value\n * @param {THREE.Color} colorObj Color of atmosphere\n */\n private renderAtmosphereComponent(\n radius: number,\n size: number,\n coefficient: number,\n power: number,\n colorObj: THREE.Color,\n ) {\n const geometry = new THREE.SphereGeometry(radius + size, 32, 32);\n const uniforms = {\n c: { value: coefficient },\n p: { value: power },\n color: { value: colorObj },\n lightPos: { value: new THREE.Vector3() },\n };\n const lightPosition = this._simulation.getLightPosition();\n if (lightPosition) {\n uniforms.lightPos.value.copy(lightPosition);\n }\n // TODO(ian): Handle case where there is no light.\n\n const material = new THREE.ShaderMaterial({\n uniforms,\n vertexShader: ATMOSPHERE_SHADER_VERTEX,\n fragmentShader: ATMOSPHERE_SHADER_FRAGMENT,\n side: THREE.BackSide,\n transparent: true,\n depthWrite: false,\n });\n this._geometries.push(geometry)\n this._materials.push(material)\n\n return new THREE.Mesh(geometry, material);\n }\n\n /**\n * Add rings around this object.\n * @param {Number} innerRadiusKm Inner radius of ring.\n * @param {Number} outerRadiusKm Outer radius of ring.\n * @param {String} texturePath Full path to 1xN ring texture. (each pixel\n * represents the color of a full circle within the ring)\n * @param {Number} segments Number of segments to use to render ring.\n * (optional)\n */\n addRings(\n innerRadiusKm: number,\n outerRadiusKm: number,\n texturePath: string,\n segments: number = 128,\n ) {\n const innerRadiusSize = rescaleNumber(Units.kmToAu(innerRadiusKm));\n const outerRadiusSize = rescaleNumber(Units.kmToAu(outerRadiusKm));\n\n const geometry = new THREE.RingGeometry(\n innerRadiusSize,\n outerRadiusSize,\n segments,\n 5,\n 0,\n Math.PI * 2,\n );\n this._geometries.push(geometry);\n\n // TODO(ian): Load from base path.\n const map = new THREE.TextureLoader().load(texturePath);\n map.colorSpace = THREE.SRGBColorSpace;\n this._textures.push(map);\n\n let material;\n if (this._simulation.isUsingLightSources()) {\n // TODO(ian): Follow recommendation for defining ShaderMaterials here:\n // https://discourse.threejs.org/t/cant-get-a-sampler2d-uniform-to-work-from-datatexture/6366/14?u=ianw\n const uniforms = THREE.UniformsUtils.merge([\n // TODO(ian): These failed due to type check. Remove?\n // THREE.UniformsLib.ambient,\n THREE.UniformsLib.lights,\n // THREE.UniformsLib.shadowmap,\n {\n ringTex: { value: null },\n innerRadius: { value: innerRadiusSize },\n outerRadius: { value: outerRadiusSize },\n lightPos: { value: new THREE.Vector3() },\n },\n ]);\n uniforms.ringTex.value = map;\n uniforms.lightPos.value.copy(this._simulation.getLightPosition());\n\n material = new THREE.ShaderMaterial({\n uniforms,\n lights: true,\n vertexShader: RING_SHADER_VERTEX,\n fragmentShader: RING_SHADER_FRAGMENT,\n transparent: true,\n alphaTest: 0.1,\n side: THREE.DoubleSide,\n });\n } else {\n material = new THREE.MeshBasicMaterial({\n map,\n side: THREE.DoubleSide,\n transparent: true,\n alphaTest: 0.1,\n opacity: 0.8,\n });\n }\n this._materials.push(material);\n\n const mesh = new THREE.Mesh(geometry, material);\n mesh.receiveShadow = true;\n mesh.castShadow = true;\n mesh.name = `${this._id}-ring`;\n\n this._obj.add(mesh);\n }\n}\n", "import * as THREE from 'three';\n\nimport { STAR_SHADER_VERTEX, STAR_SHADER_FRAGMENT } from './shaders';\n\nimport type { Coordinate3d } from './Coordinates';\nimport type { Simulation, SimulationObject } from './Simulation';\nimport { MeshBasicMaterial } from \"three/src/materials/MeshBasicMaterial\"\n\ninterface StaticParticleOptions {\n defaultColor: number;\n size: number;\n}\n\nconst DEFAULT_PARTICLE_SIZE = 4;\nconst DEFAULT_COLOR = 0xffffff;\n\n/**\n * Simulates a static particle field in whichever base reference the simulation is in.\n */\nexport class StaticParticles implements SimulationObject {\n private id: string;\n\n private options: StaticParticleOptions;\n\n private simulation: Simulation;\n\n private points: Coordinate3d[];\n\n private pointObject?: THREE.Points;\n\n /**\n *\n * @param {String} id Unique ID for this object\n * @param {Array.Array.} points an array of X,Y,Z cartesian points, one for each particle\n * @param {Object} options container\n * @param {Color} options.defaultColor color to use for all particles can be a THREE string color name or hex value\n * @param {Number} options.size the size of each particle\n * @param {Simulation} simulation Simulation object\n */\n constructor(\n id: string,\n points: Coordinate3d[],\n options: StaticParticleOptions,\n simulation: Simulation,\n ) {\n this.options = options;\n\n this.id = id;\n\n // User passed in Simulation\n this.simulation = simulation;\n\n this.points = points;\n this.pointObject = undefined;\n\n this.init();\n this.simulation.addObject(this, true);\n }\n\n init() {\n const positions = new Float32Array(this.points.length * 3);\n const colors = new Float32Array(this.points.length * 3);\n const sizes = new Float32Array(this.points.length);\n let color = new THREE.Color(DEFAULT_COLOR);\n\n if (this.options.defaultColor) {\n color = new THREE.Color(this.options.defaultColor);\n }\n\n let size = DEFAULT_PARTICLE_SIZE;\n\n if (this.options.size) {\n size = this.options.size;\n }\n\n for (let i = 0, l = this.points.length; i < l; i++) {\n const vertex = this.points[i];\n positions.set(vertex, i * 3);\n color.toArray(colors, i * 3);\n sizes[i] = size;\n }\n\n const geometry = new THREE.BufferGeometry();\n geometry.setAttribute('position', new THREE.BufferAttribute(positions, 3));\n geometry.setAttribute('color', new THREE.BufferAttribute(colors, 3));\n geometry.setAttribute('size', new THREE.BufferAttribute(sizes, 1));\n\n const material = new THREE.ShaderMaterial({\n vertexColors: true,\n vertexShader: STAR_SHADER_VERTEX,\n fragmentShader: STAR_SHADER_FRAGMENT,\n transparent: true,\n });\n\n this.pointObject = new THREE.Points(geometry, material);\n this.pointObject.name = `${this.id}-point-obj`;\n }\n\n /**\n * A list of THREE.js objects that are used to compose the particle system.\n * @return {THREE.Object3D} Point geometry\n */\n get3jsObjects(): THREE.Object3D[] {\n if (this.pointObject) {\n return [this.pointObject];\n }\n return [];\n }\n\n /**\n * Get the unique ID of this object.\n * @return {String} id\n */\n getId(): string {\n return this.id;\n }\n\n update() {\n // Static particles don't update\n }\n\n isVisible() {\n return this.pointObject?.visible ?? false;\n }\n\n setVisibility(val: boolean) {\n if (this.pointObject) {\n this.pointObject.visible = val;\n }\n }\n\n /**\n * Free all GPU resources\n */\n removalCleanup() {\n if (this.pointObject) {\n this.pointObject.geometry.dispose();\n (this.pointObject.material as MeshBasicMaterial).dispose();\n (this.pointObject.material as MeshBasicMaterial).map?.dispose();\n }\n }}\n", "import * as THREE from 'three';\n\nimport Coordinates from './Coordinates';\nimport Units from './Units';\nimport { STAR_SHADER_VERTEX, STAR_SHADER_FRAGMENT } from './shaders';\nimport { getFullUrl } from './util';\n\nimport type {\n Simulation,\n SimulationContext,\n SimulationObject,\n} from './Simulation';\nimport { MeshBasicMaterial } from \"three/src/materials/MeshBasicMaterial\"\n\ninterface StarOptions {\n minSize?: number;\n}\n\ntype StarRecord = [number, number, number, number];\n\n/**\n * Maps spectral class to star color\n * @param temp {Number} Star temperature in Kelvin\n * @return {Number} Color for star of given spectral class\n */\nfunction getColorForStar(temp: number): number {\n if (temp >= 30000) return 0x92b5ff;\n if (temp >= 10000) return 0xa2c0ff;\n if (temp >= 7500) return 0xd5e0ff;\n if (temp >= 6000) return 0xf9f5ff;\n if (temp >= 5200) return 0xffede3;\n if (temp >= 3700) return 0xffdab5;\n if (temp >= 2400) return 0xffb56c;\n return 0xffb56c;\n}\n\n/**\n * Returns the pixel size of a star.\n * @param mag {Number} Absolute magnitude of star\n * @param minSize {Number} Pixel size of the smallest star\n * @return {Number} Pixel size of star.\n */\nfunction getSizeForStar(mag: number, minSize: number): number {\n if (mag < 2.0) return minSize * 4;\n if (mag < 4.0) return minSize * 2;\n if (mag < 6.0) return minSize;\n return 1;\n}\n\n/**\n * Builds a starry background that is accurate for the Earth's position in\n * space.\n */\nexport class Stars implements SimulationObject {\n private _id: string;\n\n private _options: StarOptions;\n\n private _simulation: Simulation;\n\n private _context: SimulationContext;\n\n private _stars?: THREE.Points;\n\n /**\n * @param {Number} options.minSize The size of the smallest star.\n * Defaults to 0.75\n */\n constructor(options: StarOptions, simulation: Simulation) {\n this._options = options;\n this._id = `__stars_${new Date().getTime()}`;\n\n this._simulation = simulation;\n this._context = simulation.getContext();\n\n this._stars = undefined;\n\n this.init();\n }\n\n init() {\n const dataUrl = getFullUrl(\n '{{data}}/processed/bsc.json',\n this._context.options.basePath,\n );\n\n fetch(dataUrl)\n .then((resp) => resp.json())\n .then((library) => {\n const n = library.length;\n\n const geometry = new THREE.BufferGeometry();\n\n const positions = new Float32Array(n * 3);\n const colors = new Float32Array(n * 3);\n const sizes = new Float32Array(n);\n\n geometry.setAttribute(\n 'position',\n new THREE.BufferAttribute(positions, 3),\n );\n geometry.setAttribute('color', new THREE.BufferAttribute(colors, 3));\n geometry.setAttribute('size', new THREE.BufferAttribute(sizes, 1));\n\n library.forEach((star: StarRecord, idx: number) => {\n const [ra, dec, temp, mag] = star;\n\n const raRad = Units.rad(Units.hoursToDeg(ra));\n const decRad = Units.rad(dec);\n\n const cartesianSpherical = Coordinates.sphericalToCartesian(\n raRad,\n decRad,\n 1e9,\n );\n const pos = Coordinates.equatorialToEcliptic_Cartesian(\n cartesianSpherical[0],\n cartesianSpherical[1],\n cartesianSpherical[2],\n Coordinates.getObliquity(), // defaults to J2000 value\n );\n\n positions.set(pos, idx * 3);\n\n const color = new THREE.Color(getColorForStar(temp));\n colors.set(color.toArray(), idx * 3);\n\n sizes[idx] = getSizeForStar(\n mag,\n this._options.minSize || 3.0 /* minSize */,\n );\n });\n\n const material = new THREE.ShaderMaterial({\n uniforms: {},\n vertexColors: true,\n vertexShader: STAR_SHADER_VERTEX,\n fragmentShader: STAR_SHADER_FRAGMENT,\n\n transparent: true,\n });\n\n this._stars = new THREE.Points(geometry, material);\n this._stars.name = this._id\n\n if (this._simulation) {\n this._simulation.addObject(this, true /* noUpdate */);\n }\n });\n }\n\n /**\n * A list of THREE.js objects that are used to compose this object\n * @return {THREE.Object3D[]} Star objects\n */\n get3jsObjects(): THREE.Object3D[] {\n if (this._stars) {\n return [this._stars];\n }\n return [];\n }\n\n /**\n * Get the unique ID of this object.\n * @return {String} id\n */\n getId(): string {\n return this._id;\n }\n\n update() {\n // Stars don't update\n }\n\n isVisible() {\n return this._stars?.visible ?? false;\n }\n\n setVisibility(val: boolean) {\n if (this._stars) {\n this._stars.visible = val;\n }\n }\n\n /**\n * Free all GPU resources\n */\n removalCleanup() {\n if (this._stars) {\n this._stars.geometry.dispose();\n (this._stars.material as MeshBasicMaterial).dispose();\n (this._stars.material as MeshBasicMaterial).map?.dispose();\n }\n }\n}\n"], + "mappings": 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u[0]=e,u[1]=i,u[2]=o,u[3]=t,u[4]=s,u[5]=l,u[6]=n,u[7]=a,u[8]=c,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(e){let t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],this}extractBasis(e,t,n){return e.setFromMatrix3Column(this,0),t.setFromMatrix3Column(this,1),n.setFromMatrix3Column(this,2),this}setFromMatrix4(e){let t=e.elements;return this.set(t[0],t[4],t[8],t[1],t[5],t[9],t[2],t[6],t[10]),this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){let n=e.elements,i=t.elements,s=this.elements,a=n[0],o=n[3],l=n[6],c=n[1],u=n[4],h=n[7],d=n[2],f=n[5],p=n[8],v=i[0],x=i[3],g=i[6],m=i[1],b=i[4],y=i[7],E=i[2],_=i[5],w=i[8];return s[0]=a*v+o*m+l*E,s[3]=a*x+o*b+l*_,s[6]=a*g+o*y+l*w,s[1]=c*v+u*m+h*E,s[4]=c*x+u*b+h*_,s[7]=c*g+u*y+h*w,s[2]=d*v+f*m+p*E,s[5]=d*x+f*b+p*_,s[8]=d*g+f*y+p*w,this}multiplyScalar(e){let t=this.elements;return 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fg={Int8Array,Uint8Array,Uint8ClampedArray,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array};function pr(r,e){return new fg[r](e)}function _a(r){return document.createElementNS("http://www.w3.org/1999/xhtml",r)}function dd(r,e=0){let t=3735928559^e,n=1103547991^e;for(let i=0,s;i>>16,2246822507)^Math.imul(n^n>>>13,3266489909),n=Math.imul(n^n>>>16,2246822507)^Math.imul(t^t>>>13,3266489909),4294967296*(2097151&n)+(t>>>0)}var mr,Jn=class{static getDataURL(e){if(/^data:/i.test(e.src)||typeof HTMLCanvasElement=="undefined")return e.src;let t;if(e instanceof HTMLCanvasElement)t=e;else{mr===void 0&&(mr=_a("canvas")),mr.width=e.width,mr.height=e.height;let n=mr.getContext("2d");e instanceof ImageData?n.putImageData(e,0,0):n.drawImage(e,0,0,e.width,e.height),t=mr}return t.width>2048||t.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",e),t.toDataURL("image/jpeg",.6)):t.toDataURL("image/png")}},pg=0,ot=class extends Rt{constructor(e=ot.DEFAULT_IMAGE,t=ot.DEFAULT_MAPPING,n=_t,i=_t,s=et,a=Pi,o=Tt,l=lt,c=1,u=ft){super();Object.defineProperty(this,"id",{value:pg++}),this.uuid=Wt(),this.name="",this.image=e,this.mipmaps=[],this.mapping=t,this.wrapS=n,this.wrapT=i,this.magFilter=s,this.minFilter=a,this.anisotropy=c,this.format=o,this.internalFormat=null,this.type=l,this.offset=new O(0,0),this.repeat=new O(1,1),this.center=new O(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new Et,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.encoding=u,this.userData={},this.version=0,this.onUpdate=null,this.isRenderTargetTexture=!1}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}clone(){return new this.constructor().copy(this)}copy(e){return this.name=e.name,this.image=e.image,this.mipmaps=e.mipmaps.slice(0),this.mapping=e.mapping,this.wrapS=e.wrapS,this.wrapT=e.wrapT,this.magFilter=e.magFilter,this.minFilter=e.minFilter,this.anisotropy=e.anisotropy,this.format=e.format,this.internalFormat=e.internalFormat,this.type=e.type,this.offset.copy(e.offset),this.repeat.copy(e.repeat),this.center.copy(e.center),this.rotation=e.rotation,this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrix.copy(e.matrix),this.generateMipmaps=e.generateMipmaps,this.premultiplyAlpha=e.premultiplyAlpha,this.flipY=e.flipY,this.unpackAlignment=e.unpackAlignment,this.encoding=e.encoding,this.userData=JSON.parse(JSON.stringify(e.userData)),this}toJSON(e){let t=e===void 0||typeof e=="string";if(!t&&e.textures[this.uuid]!==void 0)return e.textures[this.uuid];let n={metadata:{version:4.5,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,mapping:this.mapping,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};if(this.image!==void 0){let i=this.image;if(i.uuid===void 0&&(i.uuid=Wt()),!t&&e.images[i.uuid]===void 0){let s;if(Array.isArray(i)){s=[];for(let a=0,o=i.length;a1)switch(this.wrapS){case bs:e.x=e.x-Math.floor(e.x);break;case _t:e.x=e.x<0?0:1;break;case As:Math.abs(Math.floor(e.x)%2)===1?e.x=Math.ceil(e.x)-e.x:e.x=e.x-Math.floor(e.x);break}if(e.y<0||e.y>1)switch(this.wrapT){case bs:e.y=e.y-Math.floor(e.y);break;case _t:e.y=e.y<0?0:1;break;case As:Math.abs(Math.floor(e.y)%2)===1?e.y=Math.ceil(e.y)-e.y:e.y=e.y-Math.floor(e.y);break}return this.flipY&&(e.y=1-e.y),e}set needsUpdate(e){e===!0&&this.version++}};ot.DEFAULT_IMAGE=void 0;ot.DEFAULT_MAPPING=va;ot.prototype.isTexture=!0;function Tl(r){return typeof HTMLImageElement!="undefined"&&r instanceof HTMLImageElement||typeof HTMLCanvasElement!="undefined"&&r instanceof HTMLCanvasElement||typeof ImageBitmap!="undefined"&&r instanceof ImageBitmap?Jn.getDataURL(r):r.data?{data:Array.prototype.slice.call(r.data),width:r.width,height:r.height,type:r.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}var Ve=class{constructor(e=0,t=0,n=0,i=1){this.x=e,this.y=t,this.z=n,this.w=i}get width(){return this.z}set width(e){this.z=e}get height(){return this.w}set height(e){this.w=e}set(e,t,n,i){return this.x=e,this.y=t,this.z=n,this.w=i,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this.w=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setW(e){return this.w=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;case 3:this.w=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=e.w!==void 0?e.w:1,this}add(e,t){return t!==void 0?(console.warn("THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this.z+=e.z,this.w+=e.w,this)}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this.w+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this.w=e.w+t.w,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this.w+=e.w*t,this}sub(e,t){return t!==void 0?(console.warn("THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this.z-=e.z,this.w-=e.w,this)}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this.w-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this.w=e.w-t.w,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this.w*=e.w,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this}applyMatrix4(e){let t=this.x,n=this.y,i=this.z,s=this.w,a=e.elements;return this.x=a[0]*t+a[4]*n+a[8]*i+a[12]*s,this.y=a[1]*t+a[5]*n+a[9]*i+a[13]*s,this.z=a[2]*t+a[6]*n+a[10]*i+a[14]*s,this.w=a[3]*t+a[7]*n+a[11]*i+a[15]*s,this}divideScalar(e){return this.multiplyScalar(1/e)}setAxisAngleFromQuaternion(e){this.w=2*Math.acos(e.w);let t=Math.sqrt(1-e.w*e.w);return t<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=e.x/t,this.y=e.y/t,this.z=e.z/t),this}setAxisAngleFromRotationMatrix(e){let t,n,i,s,a=.01,o=.1,l=e.elements,c=l[0],u=l[4],h=l[8],d=l[1],f=l[5],p=l[9],v=l[2],x=l[6],g=l[10];if(Math.abs(u-d)y&&b>E?bE?y=0?1:-1,b=1-g*g;if(b>Number.EPSILON){let E=Math.sqrt(b),_=Math.atan2(E,g*m);x=Math.sin(x*_)/E,o=Math.sin(o*_)/E}let y=o*m;if(l=l*x+d*y,c=c*x+f*y,u=u*x+p*y,h=h*x+v*y,x===1-o){let E=1/Math.sqrt(l*l+c*c+u*u+h*h);l*=E,c*=E,u*=E,h*=E}}e[t]=l,e[t+1]=c,e[t+2]=u,e[t+3]=h}static multiplyQuaternionsFlat(e,t,n,i,s,a){let o=n[i],l=n[i+1],c=n[i+2],u=n[i+3],h=s[a],d=s[a+1],f=s[a+2],p=s[a+3];return e[t]=o*p+u*h+l*f-c*d,e[t+1]=l*p+u*d+c*h-o*f,e[t+2]=c*p+u*f+o*d-l*h,e[t+3]=u*p-o*h-l*d-c*f,e}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get w(){return this._w}set w(e){this._w=e,this._onChangeCallback()}set(e,t,n,i){return this._x=e,this._y=t,this._z=n,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this}setFromEuler(e,t){if(!(e&&e.isEuler))throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");let n=e._x,i=e._y,s=e._z,a=e._order,o=Math.cos,l=Math.sin,c=o(n/2),u=o(i/2),h=o(s/2),d=l(n/2),f=l(i/2),p=l(s/2);switch(a){case"XYZ":this._x=d*u*h+c*f*p,this._y=c*f*h-d*u*p,this._z=c*u*p+d*f*h,this._w=c*u*h-d*f*p;break;case"YXZ":this._x=d*u*h+c*f*p,this._y=c*f*h-d*u*p,this._z=c*u*p-d*f*h,this._w=c*u*h+d*f*p;break;case"ZXY":this._x=d*u*h-c*f*p,this._y=c*f*h+d*u*p,this._z=c*u*p+d*f*h,this._w=c*u*h-d*f*p;break;case"ZYX":this._x=d*u*h-c*f*p,this._y=c*f*h+d*u*p,this._z=c*u*p-d*f*h,this._w=c*u*h+d*f*p;break;case"YZX":this._x=d*u*h+c*f*p,this._y=c*f*h+d*u*p,this._z=c*u*p-d*f*h,this._w=c*u*h-d*f*p;break;case"XZY":this._x=d*u*h-c*f*p,this._y=c*f*h-d*u*p,this._z=c*u*p+d*f*h,this._w=c*u*h+d*f*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return t!==!1&&this._onChangeCallback(),this}setFromAxisAngle(e,t){let n=t/2,i=Math.sin(n);return this._x=e.x*i,this._y=e.y*i,this._z=e.z*i,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(e){let t=e.elements,n=t[0],i=t[4],s=t[8],a=t[1],o=t[5],l=t[9],c=t[2],u=t[6],h=t[10],d=n+o+h;if(d>0){let f=.5/Math.sqrt(d+1);this._w=.25/f,this._x=(u-l)*f,this._y=(s-c)*f,this._z=(a-i)*f}else if(n>o&&n>h){let f=2*Math.sqrt(1+n-o-h);this._w=(u-l)/f,this._x=.25*f,this._y=(i+a)/f,this._z=(s+c)/f}else if(o>h){let f=2*Math.sqrt(1+o-n-h);this._w=(s-c)/f,this._x=(i+a)/f,this._y=.25*f,this._z=(l+u)/f}else{let f=2*Math.sqrt(1+h-n-o);this._w=(a-i)/f,this._x=(s+c)/f,this._y=(l+u)/f,this._z=.25*f}return this._onChangeCallback(),this}setFromUnitVectors(e,t){let n=e.dot(t)+1;return nMath.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=n):(this._x=0,this._y=-e.z,this._z=e.y,this._w=n)):(this._x=e.y*t.z-e.z*t.y,this._y=e.z*t.x-e.x*t.z,this._z=e.x*t.y-e.y*t.x,this._w=n),this.normalize()}angleTo(e){return 2*Math.acos(Math.abs(Lt(this.dot(e),-1,1)))}rotateTowards(e,t){let n=this.angleTo(e);if(n===0)return this;let i=Math.min(1,t/n);return this.slerp(e,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(e){return this._x*e._x+this._y*e._y+this._z*e._z+this._w*e._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let e=this.length();return e===0?(this._x=0,this._y=0,this._z=0,this._w=1):(e=1/e,this._x=this._x*e,this._y=this._y*e,this._z=this._z*e,this._w=this._w*e),this._onChangeCallback(),this}multiply(e,t){return t!==void 0?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),this.multiplyQuaternions(e,t)):this.multiplyQuaternions(this,e)}premultiply(e){return this.multiplyQuaternions(e,this)}multiplyQuaternions(e,t){let n=e._x,i=e._y,s=e._z,a=e._w,o=t._x,l=t._y,c=t._z,u=t._w;return this._x=n*u+a*o+i*c-s*l,this._y=i*u+a*l+s*o-n*c,this._z=s*u+a*c+n*l-i*o,this._w=a*u-n*o-i*l-s*c,this._onChangeCallback(),this}slerp(e,t){if(t===0)return this;if(t===1)return this.copy(e);let n=this._x,i=this._y,s=this._z,a=this._w,o=a*e._w+n*e._x+i*e._y+s*e._z;if(o<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,o=-o):this.copy(e),o>=1)return this._w=a,this._x=n,this._y=i,this._z=s,this;let l=1-o*o;if(l<=Number.EPSILON){let f=1-t;return this._w=f*a+t*this._w,this._x=f*n+t*this._x,this._y=f*i+t*this._y,this._z=f*s+t*this._z,this.normalize(),this._onChangeCallback(),this}let c=Math.sqrt(l),u=Math.atan2(c,o),h=Math.sin((1-t)*u)/c,d=Math.sin(t*u)/c;return this._w=a*h+this._w*d,this._x=n*h+this._x*d,this._y=i*h+this._y*d,this._z=s*h+this._z*d,this._onChangeCallback(),this}slerpQuaternions(e,t,n){this.copy(e).slerp(t,n)}random(){let e=Math.random(),t=Math.sqrt(1-e),n=Math.sqrt(e),i=2*Math.PI*Math.random(),s=2*Math.PI*Math.random();return this.set(t*Math.cos(i),n*Math.sin(s),n*Math.cos(s),t*Math.sin(i))}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._w===this._w}fromArray(e,t=0){return this._x=e[t],this._y=e[t+1],this._z=e[t+2],this._w=e[t+3],this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._w,e}fromBufferAttribute(e,t){return this._x=e.getX(t),this._y=e.getY(t),this._z=e.getZ(t),this._w=e.getW(t),this}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}};yt.prototype.isQuaternion=!0;var A=class{constructor(e=0,t=0,n=0){this.x=e,this.y=t,this.z=n}set(e,t,n){return n===void 0&&(n=this.z),this.x=e,this.y=t,this.z=n,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this}add(e,t){return t!==void 0?(console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this.z+=e.z,this)}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this}sub(e,t){return t!==void 0?(console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this.z-=e.z,this)}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this}multiply(e,t){return t!==void 0?(console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),this.multiplyVectors(e,t)):(this.x*=e.x,this.y*=e.y,this.z*=e.z,this)}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this}multiplyVectors(e,t){return this.x=e.x*t.x,this.y=e.y*t.y,this.z=e.z*t.z,this}applyEuler(e){return e&&e.isEuler||console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order."),this.applyQuaternion(fd.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(fd.setFromAxisAngle(e,t))}applyMatrix3(e){let t=this.x,n=this.y,i=this.z,s=e.elements;return this.x=s[0]*t+s[3]*n+s[6]*i,this.y=s[1]*t+s[4]*n+s[7]*i,this.z=s[2]*t+s[5]*n+s[8]*i,this}applyNormalMatrix(e){return this.applyMatrix3(e).normalize()}applyMatrix4(e){let t=this.x,n=this.y,i=this.z,s=e.elements,a=1/(s[3]*t+s[7]*n+s[11]*i+s[15]);return this.x=(s[0]*t+s[4]*n+s[8]*i+s[12])*a,this.y=(s[1]*t+s[5]*n+s[9]*i+s[13])*a,this.z=(s[2]*t+s[6]*n+s[10]*i+s[14])*a,this}applyQuaternion(e){let t=this.x,n=this.y,i=this.z,s=e.x,a=e.y,o=e.z,l=e.w,c=l*t+a*i-o*n,u=l*n+o*t-s*i,h=l*i+s*n-a*t,d=-s*t-a*n-o*i;return this.x=c*l+d*-s+u*-o-h*-a,this.y=u*l+d*-a+h*-s-c*-o,this.z=h*l+d*-o+c*-a-u*-s,this}project(e){return this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)}unproject(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)}transformDirection(e){let t=this.x,n=this.y,i=this.z,s=e.elements;return this.x=s[0]*t+s[4]*n+s[8]*i,this.y=s[1]*t+s[5]*n+s[9]*i,this.z=s[2]*t+s[6]*n+s[10]*i,this.normalize()}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this}divideScalar(e){return this.multiplyScalar(1/e)}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this}clampLength(e,t){let n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this}cross(e,t){return t!==void 0?(console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(e,t)):this.crossVectors(this,e)}crossVectors(e,t){let n=e.x,i=e.y,s=e.z,a=t.x,o=t.y,l=t.z;return this.x=i*l-s*o,this.y=s*a-n*l,this.z=n*o-i*a,this}projectOnVector(e){let t=e.lengthSq();if(t===0)return this.set(0,0,0);let n=e.dot(this)/t;return this.copy(e).multiplyScalar(n)}projectOnPlane(e){return Dl.copy(this).projectOnVector(e),this.sub(Dl)}reflect(e){return this.sub(Dl.copy(e).multiplyScalar(2*this.dot(e)))}angleTo(e){let t=Math.sqrt(this.lengthSq()*e.lengthSq());if(t===0)return Math.PI/2;let n=this.dot(e)/t;return Math.acos(Lt(n,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){let t=this.x-e.x,n=this.y-e.y,i=this.z-e.z;return t*t+n*n+i*i}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)+Math.abs(this.z-e.z)}setFromSpherical(e){return this.setFromSphericalCoords(e.radius,e.phi,e.theta)}setFromSphericalCoords(e,t,n){let i=Math.sin(t)*e;return this.x=i*Math.sin(n),this.y=Math.cos(t)*e,this.z=i*Math.cos(n),this}setFromCylindrical(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)}setFromCylindricalCoords(e,t,n){return this.x=e*Math.sin(t),this.y=n,this.z=e*Math.cos(t),this}setFromMatrixPosition(e){let t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this}setFromMatrixScale(e){let t=this.setFromMatrixColumn(e,0).length(),n=this.setFromMatrixColumn(e,1).length(),i=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=n,this.z=i,this}setFromMatrixColumn(e,t){return this.fromArray(e.elements,t*4)}setFromMatrix3Column(e,t){return this.fromArray(e.elements,t*3)}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e}fromBufferAttribute(e,t,n){return n!==void 0&&console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute()."),this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){let e=(Math.random()-.5)*2,t=Math.random()*Math.PI*2,n=Math.sqrt(1-Xn(e,2));return this.x=n*Math.cos(t),this.y=n*Math.sin(t),this.z=e,this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}};A.prototype.isVector3=!0;var Dl=new A,fd=new yt,Bt=class{constructor(e=new A(1/0,1/0,1/0),t=new A(-1/0,-1/0,-1/0)){this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromArray(e){let t=1/0,n=1/0,i=1/0,s=-1/0,a=-1/0,o=-1/0;for(let l=0,c=e.length;ls&&(s=u),h>a&&(a=h),d>o&&(o=d)}return this.min.set(t,n,i),this.max.set(s,a,o),this}setFromBufferAttribute(e){let t=1/0,n=1/0,i=1/0,s=-1/0,a=-1/0,o=-1/0;for(let l=0,c=e.count;ls&&(s=u),h>a&&(a=h),d>o&&(o=d)}return this.min.set(t,n,i),this.max.set(s,a,o),this}setFromPoints(e){this.makeEmpty();for(let t=0,n=e.length;tthis.max.x||e.ythis.max.y||e.zthis.max.z)}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y&&this.min.z<=e.min.z&&e.max.z<=this.max.z}getParameter(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y),(e.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(e){return!(e.max.xthis.max.x||e.max.ythis.max.y||e.max.zthis.max.z)}intersectsSphere(e){return this.clampPoint(e.center,Cs),Cs.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,n;return e.normal.x>0?(t=e.normal.x*this.min.x,n=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,n=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,n+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,n+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,n+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,n+=e.normal.z*this.min.z),t<=-e.constant&&n>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(Ds),Ta.subVectors(this.max,Ds),gr.subVectors(e.a,Ds),vr.subVectors(e.b,Ds),xr.subVectors(e.c,Ds),Kn.subVectors(vr,gr),$n.subVectors(xr,vr),Hi.subVectors(gr,xr);let t=[0,-Kn.z,Kn.y,0,-$n.z,$n.y,0,-Hi.z,Hi.y,Kn.z,0,-Kn.x,$n.z,0,-$n.x,Hi.z,0,-Hi.x,-Kn.y,Kn.x,0,-$n.y,$n.x,0,-Hi.y,Hi.x,0];return!Pl(t,gr,vr,xr,Ta)||(t=[1,0,0,0,1,0,0,0,1],!Pl(t,gr,vr,xr,Ta))?!1:(Ca.crossVectors(Kn,$n),t=[Ca.x,Ca.y,Ca.z],Pl(t,gr,vr,xr,Ta))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return Cs.copy(e).clamp(this.min,this.max).sub(e).length()}getBoundingSphere(e){return this.getCenter(e.center),e.radius=this.getSize(Cs).length()*.5,e}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}applyMatrix4(e){return this.isEmpty()?this:(Bn[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),Bn[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),Bn[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),Bn[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),Bn[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),Bn[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),Bn[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),Bn[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(Bn),this)}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}};Bt.prototype.isBox3=!0;var Bn=[new A,new A,new A,new A,new A,new A,new A,new A],Cs=new A,Rl=new Bt,gr=new A,vr=new A,xr=new A,Kn=new A,$n=new A,Hi=new A,Ds=new A,Ta=new A,Ca=new A,zi=new A;function Pl(r,e,t,n,i){for(let s=0,a=r.length-3;s<=a;s+=3){zi.fromArray(r,s);let o=i.x*Math.abs(zi.x)+i.y*Math.abs(zi.y)+i.z*Math.abs(zi.z),l=e.dot(zi),c=t.dot(zi),u=n.dot(zi);if(Math.max(-Math.max(l,c,u),Math.min(l,c,u))>o)return!1}return!0}var mg=new Bt,pd=new A,Ll=new A,Il=new A,Un=class{constructor(e=new A,t=-1){this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){let n=this.center;t!==void 0?n.copy(t):mg.setFromPoints(e).getCenter(n);let i=0;for(let s=0,a=e.length;sthis.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t}getBoundingBox(e){return this.isEmpty()?(e.makeEmpty(),e):(e.set(this.center,this.center),e.expandByScalar(this.radius),e)}applyMatrix4(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this}translate(e){return this.center.add(e),this}expandByPoint(e){Il.subVectors(e,this.center);let t=Il.lengthSq();if(t>this.radius*this.radius){let n=Math.sqrt(t),i=(n-this.radius)*.5;this.center.add(Il.multiplyScalar(i/n)),this.radius+=i}return this}union(e){return Ll.subVectors(e.center,this.center).normalize().multiplyScalar(e.radius),this.expandByPoint(pd.copy(e.center).add(Ll)),this.expandByPoint(pd.copy(e.center).sub(Ll)),this}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return new this.constructor().copy(this)}},Fn=new A,Bl=new A,Da=new A,ei=new A,Ul=new A,Ra=new A,Fl=new A,On=class{constructor(e=new A,t=new A(0,0,-1)){this.origin=e,this.direction=t}set(e,t){return this.origin.copy(e),this.direction.copy(t),this}copy(e){return this.origin.copy(e.origin),this.direction.copy(e.direction),this}at(e,t){return t.copy(this.direction).multiplyScalar(e).add(this.origin)}lookAt(e){return this.direction.copy(e).sub(this.origin).normalize(),this}recast(e){return this.origin.copy(this.at(e,Fn)),this}closestPointToPoint(e,t){t.subVectors(e,this.origin);let n=t.dot(this.direction);return n<0?t.copy(this.origin):t.copy(this.direction).multiplyScalar(n).add(this.origin)}distanceToPoint(e){return Math.sqrt(this.distanceSqToPoint(e))}distanceSqToPoint(e){let t=Fn.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(Fn.copy(this.direction).multiplyScalar(t).add(this.origin),Fn.distanceToSquared(e))}distanceSqToSegment(e,t,n,i){Bl.copy(e).add(t).multiplyScalar(.5),Da.copy(t).sub(e).normalize(),ei.copy(this.origin).sub(Bl);let s=e.distanceTo(t)*.5,a=-this.direction.dot(Da),o=ei.dot(this.direction),l=-ei.dot(Da),c=ei.lengthSq(),u=Math.abs(1-a*a),h,d,f,p;if(u>0)if(h=a*l-o,d=a*o-l,p=s*u,h>=0)if(d>=-p)if(d<=p){let v=1/u;h*=v,d*=v,f=h*(h+a*d+2*o)+d*(a*h+d+2*l)+c}else d=s,h=Math.max(0,-(a*d+o)),f=-h*h+d*(d+2*l)+c;else d=-s,h=Math.max(0,-(a*d+o)),f=-h*h+d*(d+2*l)+c;else d<=-p?(h=Math.max(0,-(-a*s+o)),d=h>0?-s:Math.min(Math.max(-s,-l),s),f=-h*h+d*(d+2*l)+c):d<=p?(h=0,d=Math.min(Math.max(-s,-l),s),f=d*(d+2*l)+c):(h=Math.max(0,-(a*s+o)),d=h>0?s:Math.min(Math.max(-s,-l),s),f=-h*h+d*(d+2*l)+c);else d=a>0?-s:s,h=Math.max(0,-(a*d+o)),f=-h*h+d*(d+2*l)+c;return n&&n.copy(this.direction).multiplyScalar(h).add(this.origin),i&&i.copy(Da).multiplyScalar(d).add(Bl),f}intersectSphere(e,t){Fn.subVectors(e.center,this.origin);let n=Fn.dot(this.direction),i=Fn.dot(Fn)-n*n,s=e.radius*e.radius;if(i>s)return null;let a=Math.sqrt(s-i),o=n-a,l=n+a;return o<0&&l<0?null:o<0?this.at(l,t):this.at(o,t)}intersectsSphere(e){return this.distanceSqToPoint(e.center)<=e.radius*e.radius}distanceToPlane(e){let t=e.normal.dot(this.direction);if(t===0)return e.distanceToPoint(this.origin)===0?0:null;let n=-(this.origin.dot(e.normal)+e.constant)/t;return n>=0?n:null}intersectPlane(e,t){let n=this.distanceToPlane(e);return n===null?null:this.at(n,t)}intersectsPlane(e){let t=e.distanceToPoint(this.origin);return t===0||e.normal.dot(this.direction)*t<0}intersectBox(e,t){let n,i,s,a,o,l,c=1/this.direction.x,u=1/this.direction.y,h=1/this.direction.z,d=this.origin;return c>=0?(n=(e.min.x-d.x)*c,i=(e.max.x-d.x)*c):(n=(e.max.x-d.x)*c,i=(e.min.x-d.x)*c),u>=0?(s=(e.min.y-d.y)*u,a=(e.max.y-d.y)*u):(s=(e.max.y-d.y)*u,a=(e.min.y-d.y)*u),n>a||s>i||((s>n||n!==n)&&(n=s),(a=0?(o=(e.min.z-d.z)*h,l=(e.max.z-d.z)*h):(o=(e.max.z-d.z)*h,l=(e.min.z-d.z)*h),n>l||o>i)||((o>n||n!==n)&&(n=o),(l=0?n:i,t)}intersectsBox(e){return this.intersectBox(e,Fn)!==null}intersectTriangle(e,t,n,i,s){Ul.subVectors(t,e),Ra.subVectors(n,e),Fl.crossVectors(Ul,Ra);let a=this.direction.dot(Fl),o;if(a>0){if(i)return null;o=1}else if(a<0)o=-1,a=-a;else return null;ei.subVectors(this.origin,e);let l=o*this.direction.dot(Ra.crossVectors(ei,Ra));if(l<0)return null;let c=o*this.direction.dot(Ul.cross(ei));if(c<0||l+c>a)return null;let u=-o*ei.dot(Fl);return u<0?null:this.at(u/a,s)}applyMatrix4(e){return this.origin.applyMatrix4(e),this.direction.transformDirection(e),this}equals(e){return e.origin.equals(this.origin)&&e.direction.equals(this.direction)}clone(){return new this.constructor().copy(this)}},ge=class{constructor(){this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],arguments.length>0&&console.error("THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.")}set(e,t,n,i,s,a,o,l,c,u,h,d,f,p,v,x){let g=this.elements;return g[0]=e,g[4]=t,g[8]=n,g[12]=i,g[1]=s,g[5]=a,g[9]=o,g[13]=l,g[2]=c,g[6]=u,g[10]=h,g[14]=d,g[3]=f,g[7]=p,g[11]=v,g[15]=x,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return new ge().fromArray(this.elements)}copy(e){let t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],t[9]=n[9],t[10]=n[10],t[11]=n[11],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15],this}copyPosition(e){let t=this.elements,n=e.elements;return t[12]=n[12],t[13]=n[13],t[14]=n[14],this}setFromMatrix3(e){let t=e.elements;return this.set(t[0],t[3],t[6],0,t[1],t[4],t[7],0,t[2],t[5],t[8],0,0,0,0,1),this}extractBasis(e,t,n){return e.setFromMatrixColumn(this,0),t.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}makeBasis(e,t,n){return this.set(e.x,t.x,n.x,0,e.y,t.y,n.y,0,e.z,t.z,n.z,0,0,0,0,1),this}extractRotation(e){let t=this.elements,n=e.elements,i=1/yr.setFromMatrixColumn(e,0).length(),s=1/yr.setFromMatrixColumn(e,1).length(),a=1/yr.setFromMatrixColumn(e,2).length();return t[0]=n[0]*i,t[1]=n[1]*i,t[2]=n[2]*i,t[3]=0,t[4]=n[4]*s,t[5]=n[5]*s,t[6]=n[6]*s,t[7]=0,t[8]=n[8]*a,t[9]=n[9]*a,t[10]=n[10]*a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromEuler(e){e&&e.isEuler||console.error("THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");let t=this.elements,n=e.x,i=e.y,s=e.z,a=Math.cos(n),o=Math.sin(n),l=Math.cos(i),c=Math.sin(i),u=Math.cos(s),h=Math.sin(s);if(e.order==="XYZ"){let d=a*u,f=a*h,p=o*u,v=o*h;t[0]=l*u,t[4]=-l*h,t[8]=c,t[1]=f+p*c,t[5]=d-v*c,t[9]=-o*l,t[2]=v-d*c,t[6]=p+f*c,t[10]=a*l}else if(e.order==="YXZ"){let d=l*u,f=l*h,p=c*u,v=c*h;t[0]=d+v*o,t[4]=p*o-f,t[8]=a*c,t[1]=a*h,t[5]=a*u,t[9]=-o,t[2]=f*o-p,t[6]=v+d*o,t[10]=a*l}else if(e.order==="ZXY"){let d=l*u,f=l*h,p=c*u,v=c*h;t[0]=d-v*o,t[4]=-a*h,t[8]=p+f*o,t[1]=f+p*o,t[5]=a*u,t[9]=v-d*o,t[2]=-a*c,t[6]=o,t[10]=a*l}else if(e.order==="ZYX"){let d=a*u,f=a*h,p=o*u,v=o*h;t[0]=l*u,t[4]=p*c-f,t[8]=d*c+v,t[1]=l*h,t[5]=v*c+d,t[9]=f*c-p,t[2]=-c,t[6]=o*l,t[10]=a*l}else if(e.order==="YZX"){let d=a*l,f=a*c,p=o*l,v=o*c;t[0]=l*u,t[4]=v-d*h,t[8]=p*h+f,t[1]=h,t[5]=a*u,t[9]=-o*u,t[2]=-c*u,t[6]=f*h+p,t[10]=d-v*h}else if(e.order==="XZY"){let d=a*l,f=a*c,p=o*l,v=o*c;t[0]=l*u,t[4]=-h,t[8]=c*u,t[1]=d*h+v,t[5]=a*u,t[9]=f*h-p,t[2]=p*h-f,t[6]=o*u,t[10]=v*h+d}return t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromQuaternion(e){return this.compose(gg,e,vg)}lookAt(e,t,n){let i=this.elements;return Yt.subVectors(e,t),Yt.lengthSq()===0&&(Yt.z=1),Yt.normalize(),ti.crossVectors(n,Yt),ti.lengthSq()===0&&(Math.abs(n.z)===1?Yt.x+=1e-4:Yt.z+=1e-4,Yt.normalize(),ti.crossVectors(n,Yt)),ti.normalize(),Pa.crossVectors(Yt,ti),i[0]=ti.x,i[4]=Pa.x,i[8]=Yt.x,i[1]=ti.y,i[5]=Pa.y,i[9]=Yt.y,i[2]=ti.z,i[6]=Pa.z,i[10]=Yt.z,this}multiply(e,t){return t!==void 0?(console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),this.multiplyMatrices(e,t)):this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){let n=e.elements,i=t.elements,s=this.elements,a=n[0],o=n[4],l=n[8],c=n[12],u=n[1],h=n[5],d=n[9],f=n[13],p=n[2],v=n[6],x=n[10],g=n[14],m=n[3],b=n[7],y=n[11],E=n[15],_=i[0],w=i[4],D=i[8],I=i[12],L=i[1],R=i[5],Z=i[9],F=i[13],U=i[2],z=i[6],N=i[10],G=i[14],ne=i[3],fe=i[7],Y=i[11],j=i[15];return s[0]=a*_+o*L+l*U+c*ne,s[4]=a*w+o*R+l*z+c*fe,s[8]=a*D+o*Z+l*N+c*Y,s[12]=a*I+o*F+l*G+c*j,s[1]=u*_+h*L+d*U+f*ne,s[5]=u*w+h*R+d*z+f*fe,s[9]=u*D+h*Z+d*N+f*Y,s[13]=u*I+h*F+d*G+f*j,s[2]=p*_+v*L+x*U+g*ne,s[6]=p*w+v*R+x*z+g*fe,s[10]=p*D+v*Z+x*N+g*Y,s[14]=p*I+v*F+x*G+g*j,s[3]=m*_+b*L+y*U+E*ne,s[7]=m*w+b*R+y*z+E*fe,s[11]=m*D+b*Z+y*N+E*Y,s[15]=m*I+b*F+y*G+E*j,this}multiplyScalar(e){let t=this.elements;return t[0]*=e,t[4]*=e,t[8]*=e,t[12]*=e,t[1]*=e,t[5]*=e,t[9]*=e,t[13]*=e,t[2]*=e,t[6]*=e,t[10]*=e,t[14]*=e,t[3]*=e,t[7]*=e,t[11]*=e,t[15]*=e,this}determinant(){let e=this.elements,t=e[0],n=e[4],i=e[8],s=e[12],a=e[1],o=e[5],l=e[9],c=e[13],u=e[2],h=e[6],d=e[10],f=e[14],p=e[3],v=e[7],x=e[11],g=e[15];return p*(+s*l*h-i*c*h-s*o*d+n*c*d+i*o*f-n*l*f)+v*(+t*l*f-t*c*d+s*a*d-i*a*f+i*c*u-s*l*u)+x*(+t*c*h-t*o*f-s*a*h+n*a*f+s*o*u-n*c*u)+g*(-i*o*u-t*l*h+t*o*d+i*a*h-n*a*d+n*l*u)}transpose(){let e=this.elements,t;return t=e[1],e[1]=e[4],e[4]=t,t=e[2],e[2]=e[8],e[8]=t,t=e[6],e[6]=e[9],e[9]=t,t=e[3],e[3]=e[12],e[12]=t,t=e[7],e[7]=e[13],e[13]=t,t=e[11],e[11]=e[14],e[14]=t,this}setPosition(e,t,n){let i=this.elements;return e.isVector3?(i[12]=e.x,i[13]=e.y,i[14]=e.z):(i[12]=e,i[13]=t,i[14]=n),this}invert(){let e=this.elements,t=e[0],n=e[1],i=e[2],s=e[3],a=e[4],o=e[5],l=e[6],c=e[7],u=e[8],h=e[9],d=e[10],f=e[11],p=e[12],v=e[13],x=e[14],g=e[15],m=h*x*c-v*d*c+v*l*f-o*x*f-h*l*g+o*d*g,b=p*d*c-u*x*c-p*l*f+a*x*f+u*l*g-a*d*g,y=u*v*c-p*h*c+p*o*f-a*v*f-u*o*g+a*h*g,E=p*h*l-u*v*l-p*o*d+a*v*d+u*o*x-a*h*x,_=t*m+n*b+i*y+s*E;if(_===0)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);let w=1/_;return e[0]=m*w,e[1]=(v*d*s-h*x*s-v*i*f+n*x*f+h*i*g-n*d*g)*w,e[2]=(o*x*s-v*l*s+v*i*c-n*x*c-o*i*g+n*l*g)*w,e[3]=(h*l*s-o*d*s-h*i*c+n*d*c+o*i*f-n*l*f)*w,e[4]=b*w,e[5]=(u*x*s-p*d*s+p*i*f-t*x*f-u*i*g+t*d*g)*w,e[6]=(p*l*s-a*x*s-p*i*c+t*x*c+a*i*g-t*l*g)*w,e[7]=(a*d*s-u*l*s+u*i*c-t*d*c-a*i*f+t*l*f)*w,e[8]=y*w,e[9]=(p*h*s-u*v*s-p*n*f+t*v*f+u*n*g-t*h*g)*w,e[10]=(a*v*s-p*o*s+p*n*c-t*v*c-a*n*g+t*o*g)*w,e[11]=(u*o*s-a*h*s-u*n*c+t*h*c+a*n*f-t*o*f)*w,e[12]=E*w,e[13]=(u*v*i-p*h*i+p*n*d-t*v*d-u*n*x+t*h*x)*w,e[14]=(p*o*i-a*v*i-p*n*l+t*v*l+a*n*x-t*o*x)*w,e[15]=(a*h*i-u*o*i+u*n*l-t*h*l-a*n*d+t*o*d)*w,this}scale(e){let t=this.elements,n=e.x,i=e.y,s=e.z;return t[0]*=n,t[4]*=i,t[8]*=s,t[1]*=n,t[5]*=i,t[9]*=s,t[2]*=n,t[6]*=i,t[10]*=s,t[3]*=n,t[7]*=i,t[11]*=s,this}getMaxScaleOnAxis(){let e=this.elements,t=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],n=e[4]*e[4]+e[5]*e[5]+e[6]*e[6],i=e[8]*e[8]+e[9]*e[9]+e[10]*e[10];return Math.sqrt(Math.max(t,n,i))}makeTranslation(e,t,n){return this.set(1,0,0,e,0,1,0,t,0,0,1,n,0,0,0,1),this}makeRotationX(e){let t=Math.cos(e),n=Math.sin(e);return this.set(1,0,0,0,0,t,-n,0,0,n,t,0,0,0,0,1),this}makeRotationY(e){let t=Math.cos(e),n=Math.sin(e);return this.set(t,0,n,0,0,1,0,0,-n,0,t,0,0,0,0,1),this}makeRotationZ(e){let t=Math.cos(e),n=Math.sin(e);return this.set(t,-n,0,0,n,t,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(e,t){let n=Math.cos(t),i=Math.sin(t),s=1-n,a=e.x,o=e.y,l=e.z,c=s*a,u=s*o;return this.set(c*a+n,c*o-i*l,c*l+i*o,0,c*o+i*l,u*o+n,u*l-i*a,0,c*l-i*o,u*l+i*a,s*l*l+n,0,0,0,0,1),this}makeScale(e,t,n){return this.set(e,0,0,0,0,t,0,0,0,0,n,0,0,0,0,1),this}makeShear(e,t,n,i,s,a){return this.set(1,n,s,0,e,1,a,0,t,i,1,0,0,0,0,1),this}compose(e,t,n){let i=this.elements,s=t._x,a=t._y,o=t._z,l=t._w,c=s+s,u=a+a,h=o+o,d=s*c,f=s*u,p=s*h,v=a*u,x=a*h,g=o*h,m=l*c,b=l*u,y=l*h,E=n.x,_=n.y,w=n.z;return i[0]=(1-(v+g))*E,i[1]=(f+y)*E,i[2]=(p-b)*E,i[3]=0,i[4]=(f-y)*_,i[5]=(1-(d+g))*_,i[6]=(x+m)*_,i[7]=0,i[8]=(p+b)*w,i[9]=(x-m)*w,i[10]=(1-(d+v))*w,i[11]=0,i[12]=e.x,i[13]=e.y,i[14]=e.z,i[15]=1,this}decompose(e,t,n){let i=this.elements,s=yr.set(i[0],i[1],i[2]).length(),a=yr.set(i[4],i[5],i[6]).length(),o=yr.set(i[8],i[9],i[10]).length();this.determinant()<0&&(s=-s),e.x=i[12],e.y=i[13],e.z=i[14],ln.copy(this);let c=1/s,u=1/a,h=1/o;return ln.elements[0]*=c,ln.elements[1]*=c,ln.elements[2]*=c,ln.elements[4]*=u,ln.elements[5]*=u,ln.elements[6]*=u,ln.elements[8]*=h,ln.elements[9]*=h,ln.elements[10]*=h,t.setFromRotationMatrix(ln),n.x=s,n.y=a,n.z=o,this}makePerspective(e,t,n,i,s,a){a===void 0&&console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");let o=this.elements,l=2*s/(t-e),c=2*s/(n-i),u=(t+e)/(t-e),h=(n+i)/(n-i),d=-(a+s)/(a-s),f=-2*a*s/(a-s);return o[0]=l,o[4]=0,o[8]=u,o[12]=0,o[1]=0,o[5]=c,o[9]=h,o[13]=0,o[2]=0,o[6]=0,o[10]=d,o[14]=f,o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this}makeOrthographic(e,t,n,i,s,a){let o=this.elements,l=1/(t-e),c=1/(n-i),u=1/(a-s),h=(t+e)*l,d=(n+i)*c,f=(a+s)*u;return o[0]=2*l,o[4]=0,o[8]=0,o[12]=-h,o[1]=0,o[5]=2*c,o[9]=0,o[13]=-d,o[2]=0,o[6]=0,o[10]=-2*u,o[14]=-f,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this}equals(e){let t=this.elements,n=e.elements;for(let i=0;i<16;i++)if(t[i]!==n[i])return!1;return!0}fromArray(e,t=0){for(let n=0;n<16;n++)this.elements[n]=e[n+t];return this}toArray(e=[],t=0){let n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e[t+9]=n[9],e[t+10]=n[10],e[t+11]=n[11],e[t+12]=n[12],e[t+13]=n[13],e[t+14]=n[14],e[t+15]=n[15],e}};ge.prototype.isMatrix4=!0;var yr=new A,ln=new ge,gg=new A(0,0,0),vg=new A(1,1,1),ti=new A,Pa=new A,Yt=new A,md=new ge,gd=new yt,ni=class{constructor(e=0,t=0,n=0,i=ni.DefaultOrder){this._x=e,this._y=t,this._z=n,this._order=i}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get order(){return this._order}set order(e){this._order=e,this._onChangeCallback()}set(e,t,n,i=this._order){return this._x=e,this._y=t,this._z=n,this._order=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(e){return this._x=e._x,this._y=e._y,this._z=e._z,this._order=e._order,this._onChangeCallback(),this}setFromRotationMatrix(e,t=this._order,n=!0){let i=e.elements,s=i[0],a=i[4],o=i[8],l=i[1],c=i[5],u=i[9],h=i[2],d=i[6],f=i[10];switch(t){case"XYZ":this._y=Math.asin(Lt(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-u,f),this._z=Math.atan2(-a,s)):(this._x=Math.atan2(d,c),this._z=0);break;case"YXZ":this._x=Math.asin(-Lt(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(o,f),this._z=Math.atan2(l,c)):(this._y=Math.atan2(-h,s),this._z=0);break;case"ZXY":this._x=Math.asin(Lt(d,-1,1)),Math.abs(d)<.9999999?(this._y=Math.atan2(-h,f),this._z=Math.atan2(-a,c)):(this._y=0,this._z=Math.atan2(l,s));break;case"ZYX":this._y=Math.asin(-Lt(h,-1,1)),Math.abs(h)<.9999999?(this._x=Math.atan2(d,f),this._z=Math.atan2(l,s)):(this._x=0,this._z=Math.atan2(-a,c));break;case"YZX":this._z=Math.asin(Lt(l,-1,1)),Math.abs(l)<.9999999?(this._x=Math.atan2(-u,c),this._y=Math.atan2(-h,s)):(this._x=0,this._y=Math.atan2(o,f));break;case"XZY":this._z=Math.asin(-Lt(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(d,c),this._y=Math.atan2(o,s)):(this._x=Math.atan2(-u,f),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+t)}return this._order=t,n===!0&&this._onChangeCallback(),this}setFromQuaternion(e,t,n){return md.makeRotationFromQuaternion(e),this.setFromRotationMatrix(md,t,n)}setFromVector3(e,t=this._order){return this.set(e.x,e.y,e.z,t)}reorder(e){return gd.setFromEuler(this),this.setFromQuaternion(gd,e)}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._order===this._order}fromArray(e){return this._x=e[0],this._y=e[1],this._z=e[2],e[3]!==void 0&&(this._order=e[3]),this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._order,e}toVector3(e){return e?e.set(this._x,this._y,this._z):new A(this._x,this._y,this._z)}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}};ni.prototype.isEuler=!0;ni.DefaultOrder="XYZ";ni.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"];var La=class{constructor(){this.mask=1|0}set(e){this.mask=(1<>>0}enable(e){this.mask|=1<1){for(let t=0;t1){for(let n=0;n0){i.children=[];for(let o=0;o0){i.animations=[];for(let o=0;o0&&(n.geometries=o),l.length>0&&(n.materials=l),c.length>0&&(n.textures=c),u.length>0&&(n.images=u),h.length>0&&(n.shapes=h),d.length>0&&(n.skeletons=d),f.length>0&&(n.animations=f)}return n.object=i,n;function a(o){let l=[];for(let c in o){let u=o[c];delete u.metadata,l.push(u)}return l}}clone(e){return new this.constructor().copy(this,e)}copy(e,t=!0){if(this.name=e.name,this.up.copy(e.up),this.position.copy(e.position),this.rotation.order=e.rotation.order,this.quaternion.copy(e.quaternion),this.scale.copy(e.scale),this.matrix.copy(e.matrix),this.matrixWorld.copy(e.matrixWorld),this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrixWorldNeedsUpdate=e.matrixWorldNeedsUpdate,this.layers.mask=e.layers.mask,this.visible=e.visible,this.castShadow=e.castShadow,this.receiveShadow=e.receiveShadow,this.frustumCulled=e.frustumCulled,this.renderOrder=e.renderOrder,this.userData=JSON.parse(JSON.stringify(e.userData)),t===!0)for(let n=0;n0?i.multiplyScalar(1/Math.sqrt(s)):i.set(0,0,0)}static getBarycoord(e,t,n,i,s){cn.subVectors(i,t),Hn.subVectors(n,t),Ol.subVectors(e,t);let a=cn.dot(cn),o=cn.dot(Hn),l=cn.dot(Ol),c=Hn.dot(Hn),u=Hn.dot(Ol),h=a*c-o*o;if(h===0)return s.set(-2,-1,-1);let d=1/h,f=(c*l-o*u)*d,p=(a*u-o*l)*d;return s.set(1-f-p,p,f)}static containsPoint(e,t,n,i){return this.getBarycoord(e,t,n,i,zn),zn.x>=0&&zn.y>=0&&zn.x+zn.y<=1}static getUV(e,t,n,i,s,a,o,l){return this.getBarycoord(e,t,n,i,zn),l.set(0,0),l.addScaledVector(s,zn.x),l.addScaledVector(a,zn.y),l.addScaledVector(o,zn.z),l}static isFrontFacing(e,t,n,i){return cn.subVectors(n,t),Hn.subVectors(e,t),cn.cross(Hn).dot(i)<0}set(e,t,n){return this.a.copy(e),this.b.copy(t),this.c.copy(n),this}setFromPointsAndIndices(e,t,n,i){return this.a.copy(e[t]),this.b.copy(e[n]),this.c.copy(e[i]),this}setFromAttributeAndIndices(e,t,n,i){return this.a.fromBufferAttribute(e,t),this.b.fromBufferAttribute(e,n),this.c.fromBufferAttribute(e,i),this}clone(){return new this.constructor().copy(this)}copy(e){return this.a.copy(e.a),this.b.copy(e.b),this.c.copy(e.c),this}getArea(){return cn.subVectors(this.c,this.b),Hn.subVectors(this.a,this.b),cn.cross(Hn).length()*.5}getMidpoint(e){return e.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(e){return pt.getNormal(this.a,this.b,this.c,e)}getPlane(e){return e.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(e,t){return pt.getBarycoord(e,this.a,this.b,this.c,t)}getUV(e,t,n,i,s){return pt.getUV(e,this.a,this.b,this.c,t,n,i,s)}containsPoint(e){return pt.containsPoint(e,this.a,this.b,this.c)}isFrontFacing(e){return pt.isFrontFacing(this.a,this.b,this.c,e)}intersectsBox(e){return e.intersectsTriangle(this)}closestPointToPoint(e,t){let n=this.a,i=this.b,s=this.c,a,o;br.subVectors(i,n),Ar.subVectors(s,n),Nl.subVectors(e,n);let l=br.dot(Nl),c=Ar.dot(Nl);if(l<=0&&c<=0)return t.copy(n);Hl.subVectors(e,i);let u=br.dot(Hl),h=Ar.dot(Hl);if(u>=0&&h<=u)return t.copy(i);let d=l*h-u*c;if(d<=0&&l>=0&&u<=0)return a=l/(l-u),t.copy(n).addScaledVector(br,a);zl.subVectors(e,s);let f=br.dot(zl),p=Ar.dot(zl);if(p>=0&&f<=p)return t.copy(s);let v=f*c-l*p;if(v<=0&&c>=0&&p<=0)return o=c/(c-p),t.copy(n).addScaledVector(Ar,o);let x=u*p-f*h;if(x<=0&&h-u>=0&&f-p>=0)return Ad.subVectors(s,i),o=(h-u)/(h-u+(f-p)),t.copy(i).addScaledVector(Ad,o);let g=1/(x+v+d);return a=v*g,o=d*g,t.copy(n).addScaledVector(br,a).addScaledVector(Ar,o)}equals(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}},Ag=0,tt=class extends Rt{constructor(){super();Object.defineProperty(this,"id",{value:Ag++}),this.uuid=Wt(),this.name="",this.type="Material",this.fog=!0,this.blending=ur,this.side=Rn,this.vertexColors=!1,this.opacity=1,this.format=Tt,this.transparent=!1,this.blendSrc=ol,this.blendDst=ll,this.blendEquation=Ci,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.depthFunc=ga,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=ld,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=Ma,this.stencilZFail=Ma,this.stencilZPass=Ma,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0,this._alphaTest=0}get alphaTest(){return this._alphaTest}set alphaTest(e){this._alphaTest>0!=e>0&&this.version++,this._alphaTest=e}onBuild(){}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(e){if(e!==void 0)for(let t in e){let n=e[t];if(n===void 0){console.warn("THREE.Material: '"+t+"' parameter is undefined.");continue}if(t==="shading"){console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=n===nl;continue}let i=this[t];if(i===void 0){console.warn("THREE."+this.type+": '"+t+"' is not a property of this material.");continue}i&&i.isColor?i.set(n):i&&i.isVector3&&n&&n.isVector3?i.copy(n):this[t]=n}}toJSON(e){let t=e===void 0||typeof e=="string";t&&(e={textures:{},images:{}});let n={metadata:{version:4.5,type:"Material",generator:"Material.toJSON"}};n.uuid=this.uuid,n.type=this.type,this.name!==""&&(n.name=this.name),this.color&&this.color.isColor&&(n.color=this.color.getHex()),this.roughness!==void 0&&(n.roughness=this.roughness),this.metalness!==void 0&&(n.metalness=this.metalness),this.sheen!==void 0&&(n.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(n.sheenColor=this.sheenColor.getHex()),this.sheenRoughness!==void 0&&(n.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(n.emissive=this.emissive.getHex()),this.emissiveIntensity&&this.emissiveIntensity!==1&&(n.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(n.specular=this.specular.getHex()),this.specularIntensity!==void 0&&(n.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(n.specularColor=this.specularColor.getHex()),this.shininess!==void 0&&(n.shininess=this.shininess),this.clearcoat!==void 0&&(n.clearcoat=this.clearcoat),this.clearcoatRoughness!==void 0&&(n.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(n.clearcoatMap=this.clearcoatMap.toJSON(e).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(e).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(e).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(e).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(e).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(e).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(e).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(e).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(e).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(e).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(e).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(e).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(e).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(e).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(e).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(n.specularIntensityMap=this.specularIntensityMap.toJSON(e).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(n.specularColorMap=this.specularColorMap.toJSON(e).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(e).uuid,this.combine!==void 0&&(n.combine=this.combine)),this.envMapIntensity!==void 0&&(n.envMapIntensity=this.envMapIntensity),this.reflectivity!==void 0&&(n.reflectivity=this.reflectivity),this.refractionRatio!==void 0&&(n.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(e).uuid),this.transmission!==void 0&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(e).uuid),this.thickness!==void 0&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(e).uuid),this.attenuationDistance!==void 0&&(n.attenuationDistance=this.attenuationDistance),this.attenuationColor!==void 0&&(n.attenuationColor=this.attenuationColor.getHex()),this.size!==void 0&&(n.size=this.size),this.shadowSide!==null&&(n.shadowSide=this.shadowSide),this.sizeAttenuation!==void 0&&(n.sizeAttenuation=this.sizeAttenuation),this.blending!==ur&&(n.blending=this.blending),this.side!==Rn&&(n.side=this.side),this.vertexColors&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),this.format!==Tt&&(n.format=this.format),this.transparent===!0&&(n.transparent=this.transparent),n.depthFunc=this.depthFunc,n.depthTest=this.depthTest,n.depthWrite=this.depthWrite,n.colorWrite=this.colorWrite,n.stencilWrite=this.stencilWrite,n.stencilWriteMask=this.stencilWriteMask,n.stencilFunc=this.stencilFunc,n.stencilRef=this.stencilRef,n.stencilFuncMask=this.stencilFuncMask,n.stencilFail=this.stencilFail,n.stencilZFail=this.stencilZFail,n.stencilZPass=this.stencilZPass,this.rotation&&this.rotation!==0&&(n.rotation=this.rotation),this.polygonOffset===!0&&(n.polygonOffset=!0),this.polygonOffsetFactor!==0&&(n.polygonOffsetFactor=this.polygonOffsetFactor),this.polygonOffsetUnits!==0&&(n.polygonOffsetUnits=this.polygonOffsetUnits),this.linewidth&&this.linewidth!==1&&(n.linewidth=this.linewidth),this.dashSize!==void 0&&(n.dashSize=this.dashSize),this.gapSize!==void 0&&(n.gapSize=this.gapSize),this.scale!==void 0&&(n.scale=this.scale),this.dithering===!0&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),this.alphaToCoverage===!0&&(n.alphaToCoverage=this.alphaToCoverage),this.premultipliedAlpha===!0&&(n.premultipliedAlpha=this.premultipliedAlpha),this.wireframe===!0&&(n.wireframe=this.wireframe),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),this.wireframeLinecap!=="round"&&(n.wireframeLinecap=this.wireframeLinecap),this.wireframeLinejoin!=="round"&&(n.wireframeLinejoin=this.wireframeLinejoin),this.flatShading===!0&&(n.flatShading=this.flatShading),this.visible===!1&&(n.visible=!1),this.toneMapped===!1&&(n.toneMapped=!1),JSON.stringify(this.userData)!=="{}"&&(n.userData=this.userData);function i(s){let a=[];for(let o in s){let l=s[o];delete l.metadata,a.push(l)}return a}if(t){let s=i(e.textures),a=i(e.images);s.length>0&&(n.textures=s),a.length>0&&(n.images=a)}return n}clone(){return new this.constructor().copy(this)}copy(e){this.name=e.name,this.fog=e.fog,this.blending=e.blending,this.side=e.side,this.vertexColors=e.vertexColors,this.opacity=e.opacity,this.format=e.format,this.transparent=e.transparent,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.depthFunc=e.depthFunc,this.depthTest=e.depthTest,this.depthWrite=e.depthWrite,this.stencilWriteMask=e.stencilWriteMask,this.stencilFunc=e.stencilFunc,this.stencilRef=e.stencilRef,this.stencilFuncMask=e.stencilFuncMask,this.stencilFail=e.stencilFail,this.stencilZFail=e.stencilZFail,this.stencilZPass=e.stencilZPass,this.stencilWrite=e.stencilWrite;let t=e.clippingPlanes,n=null;if(t!==null){let i=t.length;n=new Array(i);for(let s=0;s!==i;++s)n[s]=t[s].clone()}return this.clippingPlanes=n,this.clipIntersection=e.clipIntersection,this.clipShadows=e.clipShadows,this.shadowSide=e.shadowSide,this.colorWrite=e.colorWrite,this.precision=e.precision,this.polygonOffset=e.polygonOffset,this.polygonOffsetFactor=e.polygonOffsetFactor,this.polygonOffsetUnits=e.polygonOffsetUnits,this.dithering=e.dithering,this.alphaTest=e.alphaTest,this.alphaToCoverage=e.alphaToCoverage,this.premultipliedAlpha=e.premultipliedAlpha,this.visible=e.visible,this.toneMapped=e.toneMapped,this.userData=JSON.parse(JSON.stringify(e.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(e){e===!0&&this.version++}};tt.prototype.isMaterial=!0;var Ed={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},un={h:0,s:0,l:0},Ba={h:0,s:0,l:0};function Gl(r,e,t){return t<0&&(t+=1),t>1&&(t-=1),t<1/6?r+(e-r)*6*t:t<1/2?e:t<2/3?r+(e-r)*6*(2/3-t):r}function kl(r){return r<.04045?r*.0773993808:Math.pow(r*.9478672986+.0521327014,2.4)}function Vl(r){return r<.0031308?r*12.92:1.055*Math.pow(r,.41666)-.055}var $=class{constructor(e,t,n){return t===void 0&&n===void 0?this.set(e):this.setRGB(e,t,n)}set(e){return e&&e.isColor?this.copy(e):typeof e=="number"?this.setHex(e):typeof e=="string"&&this.setStyle(e),this}setScalar(e){return this.r=e,this.g=e,this.b=e,this}setHex(e){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(e&255)/255,this}setRGB(e,t,n){return this.r=e,this.g=t,this.b=n,this}setHSL(e,t,n){if(e=Sl(e,1),t=Lt(t,0,1),n=Lt(n,0,1),t===0)this.r=this.g=this.b=n;else{let i=n<=.5?n*(1+t):n+t-n*t,s=2*n-i;this.r=Gl(s,i,e+1/3),this.g=Gl(s,i,e),this.b=Gl(s,i,e-1/3)}return this}setStyle(e){function t(i){i!==void 0&&parseFloat(i)<1&&console.warn("THREE.Color: Alpha component of "+e+" will be ignored.")}let n;if(n=/^((?:rgb|hsl)a?)\(([^\)]*)\)/.exec(e)){let i,s=n[1],a=n[2];switch(s){case"rgb":case"rgba":if(i=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return this.r=Math.min(255,parseInt(i[1],10))/255,this.g=Math.min(255,parseInt(i[2],10))/255,this.b=Math.min(255,parseInt(i[3],10))/255,t(i[4]),this;if(i=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return this.r=Math.min(100,parseInt(i[1],10))/100,this.g=Math.min(100,parseInt(i[2],10))/100,this.b=Math.min(100,parseInt(i[3],10))/100,t(i[4]),this;break;case"hsl":case"hsla":if(i=/^\s*(\d*\.?\d+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a)){let o=parseFloat(i[1])/360,l=parseInt(i[2],10)/100,c=parseInt(i[3],10)/100;return t(i[4]),this.setHSL(o,l,c)}break}}else if(n=/^\#([A-Fa-f\d]+)$/.exec(e)){let i=n[1],s=i.length;if(s===3)return this.r=parseInt(i.charAt(0)+i.charAt(0),16)/255,this.g=parseInt(i.charAt(1)+i.charAt(1),16)/255,this.b=parseInt(i.charAt(2)+i.charAt(2),16)/255,this;if(s===6)return this.r=parseInt(i.charAt(0)+i.charAt(1),16)/255,this.g=parseInt(i.charAt(2)+i.charAt(3),16)/255,this.b=parseInt(i.charAt(4)+i.charAt(5),16)/255,this}return e&&e.length>0?this.setColorName(e):this}setColorName(e){let t=Ed[e.toLowerCase()];return t!==void 0?this.setHex(t):console.warn("THREE.Color: Unknown color "+e),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(e){return this.r=e.r,this.g=e.g,this.b=e.b,this}copyGammaToLinear(e,t=2){return this.r=Math.pow(e.r,t),this.g=Math.pow(e.g,t),this.b=Math.pow(e.b,t),this}copyLinearToGamma(e,t=2){let n=t>0?1/t:1;return this.r=Math.pow(e.r,n),this.g=Math.pow(e.g,n),this.b=Math.pow(e.b,n),this}convertGammaToLinear(e){return this.copyGammaToLinear(this,e),this}convertLinearToGamma(e){return this.copyLinearToGamma(this,e),this}copySRGBToLinear(e){return this.r=kl(e.r),this.g=kl(e.g),this.b=kl(e.b),this}copyLinearToSRGB(e){return this.r=Vl(e.r),this.g=Vl(e.g),this.b=Vl(e.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(){return this.r*255<<16^this.g*255<<8^this.b*255<<0}getHexString(){return("000000"+this.getHex().toString(16)).slice(-6)}getHSL(e){let t=this.r,n=this.g,i=this.b,s=Math.max(t,n,i),a=Math.min(t,n,i),o,l,c=(a+s)/2;if(a===s)o=0,l=0;else{let u=s-a;switch(l=c<=.5?u/(s+a):u/(2-s-a),s){case t:o=(n-i)/u+(n65535?Ls:Ps)(e,1):this.index=e,this}getAttribute(e){return this.attributes[e]}setAttribute(e,t){return this.attributes[e]=t,this}deleteAttribute(e){return delete this.attributes[e],this}hasAttribute(e){return this.attributes[e]!==void 0}addGroup(e,t,n=0){this.groups.push({start:e,count:t,materialIndex:n})}clearGroups(){this.groups=[]}setDrawRange(e,t){this.drawRange.start=e,this.drawRange.count=t}applyMatrix4(e){let 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t,i,n,s,a=.01,o=.1,l=e.elements,c=l[0],h=l[4],u=l[8],d=l[1],f=l[5],m=l[9],v=l[2],g=l[6],p=l[10];if(Math.abs(h-d)_&&x>D?xD?_=0?1:-1,x=1-p*p;if(x>Number.EPSILON){let D=Math.sqrt(x),T=Math.atan2(D,p*y);g=Math.sin(g*T)/D,o=Math.sin(o*T)/D}let _=o*y;if(l=l*g+d*_,c=c*g+f*_,h=h*g+m*_,u=u*g+v*_,g===1-o){let D=1/Math.sqrt(l*l+c*c+h*h+u*u);l*=D,c*=D,h*=D,u*=D}}e[t]=l,e[t+1]=c,e[t+2]=h,e[t+3]=u}static multiplyQuaternionsFlat(e,t,i,n,s,a){let o=i[n],l=i[n+1],c=i[n+2],h=i[n+3],u=s[a],d=s[a+1],f=s[a+2],m=s[a+3];return e[t]=o*m+h*u+l*f-c*d,e[t+1]=l*m+h*d+c*u-o*f,e[t+2]=c*m+h*f+o*d-l*u,e[t+3]=h*m-o*u-l*d-c*f,e}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get w(){return this._w}set w(e){this._w=e,this._onChangeCallback()}set(e,t,i,n){return this._x=e,this._y=t,this._z=i,this._w=n,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this}setFromEuler(e,t=!0){let i=e._x,n=e._y,s=e._z,a=e._order,o=Math.cos,l=Math.sin,c=o(i/2),h=o(n/2),u=o(s/2),d=l(i/2),f=l(n/2),m=l(s/2);switch(a){case"XYZ":this._x=d*h*u+c*f*m,this._y=c*f*u-d*h*m,this._z=c*h*m+d*f*u,this._w=c*h*u-d*f*m;break;case"YXZ":this._x=d*h*u+c*f*m,this._y=c*f*u-d*h*m,this._z=c*h*m-d*f*u,this._w=c*h*u+d*f*m;break;case"ZXY":this._x=d*h*u-c*f*m,this._y=c*f*u+d*h*m,this._z=c*h*m+d*f*u,this._w=c*h*u-d*f*m;break;case"ZYX":this._x=d*h*u-c*f*m,this._y=c*f*u+d*h*m,this._z=c*h*m-d*f*u,this._w=c*h*u+d*f*m;break;case"YZX":this._x=d*h*u+c*f*m,this._y=c*f*u+d*h*m,this._z=c*h*m-d*f*u,this._w=c*h*u-d*f*m;break;case"XZY":this._x=d*h*u-c*f*m,this._y=c*f*u-d*h*m,this._z=c*h*m+d*f*u,this._w=c*h*u+d*f*m;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return t===!0&&this._onChangeCallback(),this}setFromAxisAngle(e,t){let i=t/2,n=Math.sin(i);return this._x=e.x*n,this._y=e.y*n,this._z=e.z*n,this._w=Math.cos(i),this._onChangeCallback(),this}setFromRotationMatrix(e){let t=e.elements,i=t[0],n=t[4],s=t[8],a=t[1],o=t[5],l=t[9],c=t[2],h=t[6],u=t[10],d=i+o+u;if(d>0){let f=.5/Math.sqrt(d+1);this._w=.25/f,this._x=(h-l)*f,this._y=(s-c)*f,this._z=(a-n)*f}else if(i>o&&i>u){let f=2*Math.sqrt(1+i-o-u);this._w=(h-l)/f,this._x=.25*f,this._y=(n+a)/f,this._z=(s+c)/f}else if(o>u){let f=2*Math.sqrt(1+o-i-u);this._w=(s-c)/f,this._x=(n+a)/f,this._y=.25*f,this._z=(l+h)/f}else{let f=2*Math.sqrt(1+u-i-o);this._w=(a-n)/f,this._x=(s+c)/f,this._y=(l+h)/f,this._z=.25*f}return this._onChangeCallback(),this}setFromUnitVectors(e,t){let i=e.dot(t)+1;return iMath.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=i):(this._x=0,this._y=-e.z,this._z=e.y,this._w=i)):(this._x=e.y*t.z-e.z*t.y,this._y=e.z*t.x-e.x*t.z,this._z=e.x*t.y-e.y*t.x,this._w=i),this.normalize()}angleTo(e){return 2*Math.acos(Math.abs(Ge(this.dot(e),-1,1)))}rotateTowards(e,t){let i=this.angleTo(e);if(i===0)return this;let n=Math.min(1,t/i);return this.slerp(e,n),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(e){return this._x*e._x+this._y*e._y+this._z*e._z+this._w*e._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let e=this.length();return e===0?(this._x=0,this._y=0,this._z=0,this._w=1):(e=1/e,this._x=this._x*e,this._y=this._y*e,this._z=this._z*e,this._w=this._w*e),this._onChangeCallback(),this}multiply(e){return this.multiplyQuaternions(this,e)}premultiply(e){return this.multiplyQuaternions(e,this)}multiplyQuaternions(e,t){let i=e._x,n=e._y,s=e._z,a=e._w,o=t._x,l=t._y,c=t._z,h=t._w;return this._x=i*h+a*o+n*c-s*l,this._y=n*h+a*l+s*o-i*c,this._z=s*h+a*c+i*l-n*o,this._w=a*h-i*o-n*l-s*c,this._onChangeCallback(),this}slerp(e,t){if(t===0)return this;if(t===1)return this.copy(e);let i=this._x,n=this._y,s=this._z,a=this._w,o=a*e._w+i*e._x+n*e._y+s*e._z;if(o<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,o=-o):this.copy(e),o>=1)return this._w=a,this._x=i,this._y=n,this._z=s,this;let l=1-o*o;if(l<=Number.EPSILON){let f=1-t;return this._w=f*a+t*this._w,this._x=f*i+t*this._x,this._y=f*n+t*this._y,this._z=f*s+t*this._z,this.normalize(),this}let c=Math.sqrt(l),h=Math.atan2(c,o),u=Math.sin((1-t)*h)/c,d=Math.sin(t*h)/c;return this._w=a*u+this._w*d,this._x=i*u+this._x*d,this._y=n*u+this._y*d,this._z=s*u+this._z*d,this._onChangeCallback(),this}slerpQuaternions(e,t,i){return this.copy(e).slerp(t,i)}random(){let e=2*Math.PI*Math.random(),t=2*Math.PI*Math.random(),i=Math.random(),n=Math.sqrt(1-i),s=Math.sqrt(i);return this.set(n*Math.sin(e),n*Math.cos(e),s*Math.sin(t),s*Math.cos(t))}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._w===this._w}fromArray(e,t=0){return this._x=e[t],this._y=e[t+1],this._z=e[t+2],this._w=e[t+3],this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._w,e}fromBufferAttribute(e,t){return this._x=e.getX(t),this._y=e.getY(t),this._z=e.getZ(t),this._w=e.getW(t),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}},b=class{constructor(e=0,t=0,i=0){b.prototype.isVector3=!0,this.x=e,this.y=t,this.z=i}set(e,t,i){return i===void 0&&(i=this.z),this.x=e,this.y=t,this.z=i,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this}add(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this}sub(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this}multiply(e){return 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this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)}unproject(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)}transformDirection(e){let t=this.x,i=this.y,n=this.z,s=e.elements;return this.x=s[0]*t+s[4]*i+s[8]*n,this.y=s[1]*t+s[5]*i+s[9]*n,this.z=s[2]*t+s[6]*i+s[10]*n,this.normalize()}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this}divideScalar(e){return this.multiplyScalar(1/e)}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this}clamp(e,t){return this.x=Ge(this.x,e.x,t.x),this.y=Ge(this.y,e.y,t.y),this.z=Ge(this.z,e.z,t.z),this}clampScalar(e,t){return this.x=Ge(this.x,e,t),this.y=Ge(this.y,e,t),this.z=Ge(this.z,e,t),this}clampLength(e,t){let i=this.length();return this.divideScalar(i||1).multiplyScalar(Ge(i,e,t))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this}lerpVectors(e,t,i){return this.x=e.x+(t.x-e.x)*i,this.y=e.y+(t.y-e.y)*i,this.z=e.z+(t.z-e.z)*i,this}cross(e){return this.crossVectors(this,e)}crossVectors(e,t){let i=e.x,n=e.y,s=e.z,a=t.x,o=t.y,l=t.z;return this.x=n*l-s*o,this.y=s*a-i*l,this.z=i*o-n*a,this}projectOnVector(e){let t=e.lengthSq();if(t===0)return this.set(0,0,0);let i=e.dot(this)/t;return this.copy(e).multiplyScalar(i)}projectOnPlane(e){return yu.copy(this).projectOnVector(e),this.sub(yu)}reflect(e){return this.sub(yu.copy(e).multiplyScalar(2*this.dot(e)))}angleTo(e){let t=Math.sqrt(this.lengthSq()*e.lengthSq());if(t===0)return Math.PI/2;let i=this.dot(e)/t;return Math.acos(Ge(i,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){let t=this.x-e.x,i=this.y-e.y,n=this.z-e.z;return t*t+i*i+n*n}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)+Math.abs(this.z-e.z)}setFromSpherical(e){return this.setFromSphericalCoords(e.radius,e.phi,e.theta)}setFromSphericalCoords(e,t,i){let n=Math.sin(t)*e;return 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e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){let e=Math.random()*Math.PI*2,t=Math.random()*2-1,i=Math.sqrt(1-t*t);return this.x=i*Math.cos(e),this.y=t,this.z=i*Math.sin(e),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}},yu=new b,Lp=new Ft,Ht=class{constructor(e=new b(1/0,1/0,1/0),t=new b(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromArray(e){this.makeEmpty();for(let t=0,i=e.length;t=this.min.x&&e.x<=this.max.x&&e.y>=this.min.y&&e.y<=this.max.y&&e.z>=this.min.z&&e.z<=this.max.z}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y&&this.min.z<=e.min.z&&e.max.z<=this.max.z}getParameter(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y),(e.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(e){return e.max.x>=this.min.x&&e.min.x<=this.max.x&&e.max.y>=this.min.y&&e.min.y<=this.max.y&&e.max.z>=this.min.z&&e.min.z<=this.max.z}intersectsSphere(e){return this.clampPoint(e.center,Zi),Zi.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,i;return e.normal.x>0?(t=e.normal.x*this.min.x,i=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,i=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,i+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,i+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,i+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,i+=e.normal.z*this.min.z),t<=-e.constant&&i>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(vo),Dl.subVectors(this.max,vo),Ts.subVectors(e.a,vo),ws.subVectors(e.b,vo),Cs.subVectors(e.c,vo),Xn.subVectors(ws,Ts),Yn.subVectors(Cs,ws),vr.subVectors(Ts,Cs);let t=[0,-Xn.z,Xn.y,0,-Yn.z,Yn.y,0,-vr.z,vr.y,Xn.z,0,-Xn.x,Yn.z,0,-Yn.x,vr.z,0,-vr.x,-Xn.y,Xn.x,0,-Yn.y,Yn.x,0,-vr.y,vr.x,0];return!Au(t,Ts,ws,Cs,Dl)||(t=[1,0,0,0,1,0,0,0,1],!Au(t,Ts,ws,Cs,Dl))?!1:(Pl.crossVectors(Xn,Yn),t=[Pl.x,Pl.y,Pl.z],Au(t,Ts,ws,Cs,Dl))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return this.clampPoint(e,Zi).distanceTo(e)}getBoundingSphere(e){return this.isEmpty()?e.makeEmpty():(this.getCenter(e.center),e.radius=this.getSize(Zi).length()*.5),e}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}applyMatrix4(e){return this.isEmpty()?this:(Mn[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),Mn[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),Mn[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),Mn[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),Mn[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),Mn[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),Mn[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),Mn[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(Mn),this)}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}},Mn=[new b,new b,new b,new b,new b,new b,new b,new b],Zi=new b,Rl=new Ht,Ts=new b,ws=new b,Cs=new b,Xn=new b,Yn=new b,vr=new b,vo=new b,Dl=new b,Pl=new b,xr=new b;function Au(r,e,t,i,n){for(let s=0,a=r.length-3;s<=a;s+=3){xr.fromArray(r,s);let o=n.x*Math.abs(xr.x)+n.y*Math.abs(xr.y)+n.z*Math.abs(xr.z),l=e.dot(xr),c=t.dot(xr),h=i.dot(xr);if(Math.max(-Math.max(l,c,h),Math.min(l,c,h))>o)return!1}return!0}var s0=new Ht,xo=new b,Su=new b,Bt=class{constructor(e=new b,t=-1){this.isSphere=!0,this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){let i=this.center;t!==void 0?i.copy(t):s0.setFromPoints(e).getCenter(i);let n=0;for(let s=0,a=e.length;sthis.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t}getBoundingBox(e){return this.isEmpty()?(e.makeEmpty(),e):(e.set(this.center,this.center),e.expandByScalar(this.radius),e)}applyMatrix4(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this}translate(e){return this.center.add(e),this}expandByPoint(e){if(this.isEmpty())return this.center.copy(e),this.radius=0,this;xo.subVectors(e,this.center);let t=xo.lengthSq();if(t>this.radius*this.radius){let i=Math.sqrt(t),n=(i-this.radius)*.5;this.center.addScaledVector(xo,n/i),this.radius+=n}return this}union(e){return e.isEmpty()?this:this.isEmpty()?(this.copy(e),this):(this.center.equals(e.center)===!0?this.radius=Math.max(this.radius,e.radius):(Su.subVectors(e.center,this.center).setLength(e.radius),this.expandByPoint(xo.copy(e.center).add(Su)),this.expandByPoint(xo.copy(e.center).sub(Su))),this)}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return new this.constructor().copy(this)}},bn=new b,Eu=new b,Il=new b,jn=new b,Mu=new b,Ul=new b,bu=new b,hn=class{constructor(e=new b,t=new b(0,0,-1)){this.origin=e,this.direction=t}set(e,t){return this.origin.copy(e),this.direction.copy(t),this}copy(e){return this.origin.copy(e.origin),this.direction.copy(e.direction),this}at(e,t){return t.copy(this.origin).addScaledVector(this.direction,e)}lookAt(e){return this.direction.copy(e).sub(this.origin).normalize(),this}recast(e){return this.origin.copy(this.at(e,bn)),this}closestPointToPoint(e,t){t.subVectors(e,this.origin);let i=t.dot(this.direction);return i<0?t.copy(this.origin):t.copy(this.origin).addScaledVector(this.direction,i)}distanceToPoint(e){return Math.sqrt(this.distanceSqToPoint(e))}distanceSqToPoint(e){let t=bn.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(bn.copy(this.origin).addScaledVector(this.direction,t),bn.distanceToSquared(e))}distanceSqToSegment(e,t,i,n){Eu.copy(e).add(t).multiplyScalar(.5),Il.copy(t).sub(e).normalize(),jn.copy(this.origin).sub(Eu);let s=e.distanceTo(t)*.5,a=-this.direction.dot(Il),o=jn.dot(this.direction),l=-jn.dot(Il),c=jn.lengthSq(),h=Math.abs(1-a*a),u,d,f,m;if(h>0)if(u=a*l-o,d=a*o-l,m=s*h,u>=0)if(d>=-m)if(d<=m){let v=1/h;u*=v,d*=v,f=u*(u+a*d+2*o)+d*(a*u+d+2*l)+c}else d=s,u=Math.max(0,-(a*d+o)),f=-u*u+d*(d+2*l)+c;else d=-s,u=Math.max(0,-(a*d+o)),f=-u*u+d*(d+2*l)+c;else d<=-m?(u=Math.max(0,-(-a*s+o)),d=u>0?-s:Math.min(Math.max(-s,-l),s),f=-u*u+d*(d+2*l)+c):d<=m?(u=0,d=Math.min(Math.max(-s,-l),s),f=d*(d+2*l)+c):(u=Math.max(0,-(a*s+o)),d=u>0?s:Math.min(Math.max(-s,-l),s),f=-u*u+d*(d+2*l)+c);else d=a>0?-s:s,u=Math.max(0,-(a*d+o)),f=-u*u+d*(d+2*l)+c;return i&&i.copy(this.origin).addScaledVector(this.direction,u),n&&n.copy(Eu).addScaledVector(Il,d),f}intersectSphere(e,t){bn.subVectors(e.center,this.origin);let i=bn.dot(this.direction),n=bn.dot(bn)-i*i,s=e.radius*e.radius;if(n>s)return null;let a=Math.sqrt(s-n),o=i-a,l=i+a;return l<0?null:o<0?this.at(l,t):this.at(o,t)}intersectsSphere(e){return this.distanceSqToPoint(e.center)<=e.radius*e.radius}distanceToPlane(e){let t=e.normal.dot(this.direction);if(t===0)return e.distanceToPoint(this.origin)===0?0:null;let i=-(this.origin.dot(e.normal)+e.constant)/t;return i>=0?i:null}intersectPlane(e,t){let i=this.distanceToPlane(e);return i===null?null:this.at(i,t)}intersectsPlane(e){let t=e.distanceToPoint(this.origin);return t===0||e.normal.dot(this.direction)*t<0}intersectBox(e,t){let i,n,s,a,o,l,c=1/this.direction.x,h=1/this.direction.y,u=1/this.direction.z,d=this.origin;return c>=0?(i=(e.min.x-d.x)*c,n=(e.max.x-d.x)*c):(i=(e.max.x-d.x)*c,n=(e.min.x-d.x)*c),h>=0?(s=(e.min.y-d.y)*h,a=(e.max.y-d.y)*h):(s=(e.max.y-d.y)*h,a=(e.min.y-d.y)*h),i>a||s>n||((s>i||isNaN(i))&&(i=s),(a=0?(o=(e.min.z-d.z)*u,l=(e.max.z-d.z)*u):(o=(e.max.z-d.z)*u,l=(e.min.z-d.z)*u),i>l||o>n)||((o>i||i!==i)&&(i=o),(l=0?i:n,t)}intersectsBox(e){return this.intersectBox(e,bn)!==null}intersectTriangle(e,t,i,n,s){Mu.subVectors(t,e),Ul.subVectors(i,e),bu.crossVectors(Mu,Ul);let a=this.direction.dot(bu),o;if(a>0){if(n)return null;o=1}else if(a<0)o=-1,a=-a;else return null;jn.subVectors(this.origin,e);let l=o*this.direction.dot(Ul.crossVectors(jn,Ul));if(l<0)return null;let c=o*this.direction.dot(Mu.cross(jn));if(c<0||l+c>a)return null;let h=-o*jn.dot(bu);return h<0?null:this.at(h/a,s)}applyMatrix4(e){return this.origin.applyMatrix4(e),this.direction.transformDirection(e),this}equals(e){return e.origin.equals(this.origin)&&e.direction.equals(this.direction)}clone(){return new this.constructor().copy(this)}},Le=class{constructor(e,t,i,n,s,a,o,l,c,h,u,d,f,m,v,g){Le.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],e!==void 0&&this.set(e,t,i,n,s,a,o,l,c,h,u,d,f,m,v,g)}set(e,t,i,n,s,a,o,l,c,h,u,d,f,m,v,g){let p=this.elements;return p[0]=e,p[4]=t,p[8]=i,p[12]=n,p[1]=s,p[5]=a,p[9]=o,p[13]=l,p[2]=c,p[6]=h,p[10]=u,p[14]=d,p[3]=f,p[7]=m,p[11]=v,p[15]=g,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return new Le().fromArray(this.elements)}copy(e){let t=this.elements,i=e.elements;return t[0]=i[0],t[1]=i[1],t[2]=i[2],t[3]=i[3],t[4]=i[4],t[5]=i[5],t[6]=i[6],t[7]=i[7],t[8]=i[8],t[9]=i[9],t[10]=i[10],t[11]=i[11],t[12]=i[12],t[13]=i[13],t[14]=i[14],t[15]=i[15],this}copyPosition(e){let t=this.elements,i=e.elements;return t[12]=i[12],t[13]=i[13],t[14]=i[14],this}setFromMatrix3(e){let t=e.elements;return this.set(t[0],t[3],t[6],0,t[1],t[4],t[7],0,t[2],t[5],t[8],0,0,0,0,1),this}extractBasis(e,t,i){return e.setFromMatrixColumn(this,0),t.setFromMatrixColumn(this,1),i.setFromMatrixColumn(this,2),this}makeBasis(e,t,i){return this.set(e.x,t.x,i.x,0,e.y,t.y,i.y,0,e.z,t.z,i.z,0,0,0,0,1),this}extractRotation(e){let t=this.elements,i=e.elements,n=1/Rs.setFromMatrixColumn(e,0).length(),s=1/Rs.setFromMatrixColumn(e,1).length(),a=1/Rs.setFromMatrixColumn(e,2).length();return t[0]=i[0]*n,t[1]=i[1]*n,t[2]=i[2]*n,t[3]=0,t[4]=i[4]*s,t[5]=i[5]*s,t[6]=i[6]*s,t[7]=0,t[8]=i[8]*a,t[9]=i[9]*a,t[10]=i[10]*a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromEuler(e){let t=this.elements,i=e.x,n=e.y,s=e.z,a=Math.cos(i),o=Math.sin(i),l=Math.cos(n),c=Math.sin(n),h=Math.cos(s),u=Math.sin(s);if(e.order==="XYZ"){let d=a*h,f=a*u,m=o*h,v=o*u;t[0]=l*h,t[4]=-l*u,t[8]=c,t[1]=f+m*c,t[5]=d-v*c,t[9]=-o*l,t[2]=v-d*c,t[6]=m+f*c,t[10]=a*l}else if(e.order==="YXZ"){let d=l*h,f=l*u,m=c*h,v=c*u;t[0]=d+v*o,t[4]=m*o-f,t[8]=a*c,t[1]=a*u,t[5]=a*h,t[9]=-o,t[2]=f*o-m,t[6]=v+d*o,t[10]=a*l}else if(e.order==="ZXY"){let d=l*h,f=l*u,m=c*h,v=c*u;t[0]=d-v*o,t[4]=-a*u,t[8]=m+f*o,t[1]=f+m*o,t[5]=a*h,t[9]=v-d*o,t[2]=-a*c,t[6]=o,t[10]=a*l}else if(e.order==="ZYX"){let d=a*h,f=a*u,m=o*h,v=o*u;t[0]=l*h,t[4]=m*c-f,t[8]=d*c+v,t[1]=l*u,t[5]=v*c+d,t[9]=f*c-m,t[2]=-c,t[6]=o*l,t[10]=a*l}else if(e.order==="YZX"){let d=a*l,f=a*c,m=o*l,v=o*c;t[0]=l*h,t[4]=v-d*u,t[8]=m*u+f,t[1]=u,t[5]=a*h,t[9]=-o*h,t[2]=-c*h,t[6]=f*u+m,t[10]=d-v*u}else if(e.order==="XZY"){let d=a*l,f=a*c,m=o*l,v=o*c;t[0]=l*h,t[4]=-u,t[8]=c*h,t[1]=d*u+v,t[5]=a*h,t[9]=f*u-m,t[2]=m*u-f,t[6]=o*h,t[10]=v*u+d}return t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromQuaternion(e){return this.compose(a0,e,o0)}lookAt(e,t,i){let n=this.elements;return Si.subVectors(e,t),Si.lengthSq()===0&&(Si.z=1),Si.normalize(),qn.crossVectors(i,Si),qn.lengthSq()===0&&(Math.abs(i.z)===1?Si.x+=1e-4:Si.z+=1e-4,Si.normalize(),qn.crossVectors(i,Si)),qn.normalize(),Ll.crossVectors(Si,qn),n[0]=qn.x,n[4]=Ll.x,n[8]=Si.x,n[1]=qn.y,n[5]=Ll.y,n[9]=Si.y,n[2]=qn.z,n[6]=Ll.z,n[10]=Si.z,this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){let i=e.elements,n=t.elements,s=this.elements,a=i[0],o=i[4],l=i[8],c=i[12],h=i[1],u=i[5],d=i[9],f=i[13],m=i[2],v=i[6],g=i[10],p=i[14],y=i[3],x=i[7],_=i[11],D=i[15],T=n[0],R=n[4],P=n[8],M=n[12],A=n[1],I=n[5],k=n[9],N=n[13],G=n[2],Z=n[6],V=n[10],ne=n[14],W=n[3],ce=n[7],ve=n[11],Me=n[15];return s[0]=a*T+o*A+l*G+c*W,s[4]=a*R+o*I+l*Z+c*ce,s[8]=a*P+o*k+l*V+c*ve,s[12]=a*M+o*N+l*ne+c*Me,s[1]=h*T+u*A+d*G+f*W,s[5]=h*R+u*I+d*Z+f*ce,s[9]=h*P+u*k+d*V+f*ve,s[13]=h*M+u*N+d*ne+f*Me,s[2]=m*T+v*A+g*G+p*W,s[6]=m*R+v*I+g*Z+p*ce,s[10]=m*P+v*k+g*V+p*ve,s[14]=m*M+v*N+g*ne+p*Me,s[3]=y*T+x*A+_*G+D*W,s[7]=y*R+x*I+_*Z+D*ce,s[11]=y*P+x*k+_*V+D*ve,s[15]=y*M+x*N+_*ne+D*Me,this}multiplyScalar(e){let t=this.elements;return t[0]*=e,t[4]*=e,t[8]*=e,t[12]*=e,t[1]*=e,t[5]*=e,t[9]*=e,t[13]*=e,t[2]*=e,t[6]*=e,t[10]*=e,t[14]*=e,t[3]*=e,t[7]*=e,t[11]*=e,t[15]*=e,this}determinant(){let e=this.elements,t=e[0],i=e[4],n=e[8],s=e[12],a=e[1],o=e[5],l=e[9],c=e[13],h=e[2],u=e[6],d=e[10],f=e[14],m=e[3],v=e[7],g=e[11],p=e[15];return m*(+s*l*u-n*c*u-s*o*d+i*c*d+n*o*f-i*l*f)+v*(+t*l*f-t*c*d+s*a*d-n*a*f+n*c*h-s*l*h)+g*(+t*c*u-t*o*f-s*a*u+i*a*f+s*o*h-i*c*h)+p*(-n*o*h-t*l*u+t*o*d+n*a*u-i*a*d+i*l*h)}transpose(){let e=this.elements,t;return t=e[1],e[1]=e[4],e[4]=t,t=e[2],e[2]=e[8],e[8]=t,t=e[6],e[6]=e[9],e[9]=t,t=e[3],e[3]=e[12],e[12]=t,t=e[7],e[7]=e[13],e[13]=t,t=e[11],e[11]=e[14],e[14]=t,this}setPosition(e,t,i){let n=this.elements;return e.isVector3?(n[12]=e.x,n[13]=e.y,n[14]=e.z):(n[12]=e,n[13]=t,n[14]=i),this}invert(){let e=this.elements,t=e[0],i=e[1],n=e[2],s=e[3],a=e[4],o=e[5],l=e[6],c=e[7],h=e[8],u=e[9],d=e[10],f=e[11],m=e[12],v=e[13],g=e[14],p=e[15],y=u*g*c-v*d*c+v*l*f-o*g*f-u*l*p+o*d*p,x=m*d*c-h*g*c-m*l*f+a*g*f+h*l*p-a*d*p,_=h*v*c-m*u*c+m*o*f-a*v*f-h*o*p+a*u*p,D=m*u*l-h*v*l-m*o*d+a*v*d+h*o*g-a*u*g,T=t*y+i*x+n*_+s*D;if(T===0)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);let R=1/T;return e[0]=y*R,e[1]=(v*d*s-u*g*s-v*n*f+i*g*f+u*n*p-i*d*p)*R,e[2]=(o*g*s-v*l*s+v*n*c-i*g*c-o*n*p+i*l*p)*R,e[3]=(u*l*s-o*d*s-u*n*c+i*d*c+o*n*f-i*l*f)*R,e[4]=x*R,e[5]=(h*g*s-m*d*s+m*n*f-t*g*f-h*n*p+t*d*p)*R,e[6]=(m*l*s-a*g*s-m*n*c+t*g*c+a*n*p-t*l*p)*R,e[7]=(a*d*s-h*l*s+h*n*c-t*d*c-a*n*f+t*l*f)*R,e[8]=_*R,e[9]=(m*u*s-h*v*s-m*i*f+t*v*f+h*i*p-t*u*p)*R,e[10]=(a*v*s-m*o*s+m*i*c-t*v*c-a*i*p+t*o*p)*R,e[11]=(h*o*s-a*u*s-h*i*c+t*u*c+a*i*f-t*o*f)*R,e[12]=D*R,e[13]=(h*v*n-m*u*n+m*i*d-t*v*d-h*i*g+t*u*g)*R,e[14]=(m*o*n-a*v*n-m*i*l+t*v*l+a*i*g-t*o*g)*R,e[15]=(a*u*n-h*o*n+h*i*l-t*u*l-a*i*d+t*o*d)*R,this}scale(e){let t=this.elements,i=e.x,n=e.y,s=e.z;return t[0]*=i,t[4]*=n,t[8]*=s,t[1]*=i,t[5]*=n,t[9]*=s,t[2]*=i,t[6]*=n,t[10]*=s,t[3]*=i,t[7]*=n,t[11]*=s,this}getMaxScaleOnAxis(){let e=this.elements,t=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],i=e[4]*e[4]+e[5]*e[5]+e[6]*e[6],n=e[8]*e[8]+e[9]*e[9]+e[10]*e[10];return Math.sqrt(Math.max(t,i,n))}makeTranslation(e,t,i){return e.isVector3?this.set(1,0,0,e.x,0,1,0,e.y,0,0,1,e.z,0,0,0,1):this.set(1,0,0,e,0,1,0,t,0,0,1,i,0,0,0,1),this}makeRotationX(e){let t=Math.cos(e),i=Math.sin(e);return this.set(1,0,0,0,0,t,-i,0,0,i,t,0,0,0,0,1),this}makeRotationY(e){let t=Math.cos(e),i=Math.sin(e);return this.set(t,0,i,0,0,1,0,0,-i,0,t,0,0,0,0,1),this}makeRotationZ(e){let t=Math.cos(e),i=Math.sin(e);return this.set(t,-i,0,0,i,t,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(e,t){let i=Math.cos(t),n=Math.sin(t),s=1-i,a=e.x,o=e.y,l=e.z,c=s*a,h=s*o;return this.set(c*a+i,c*o-n*l,c*l+n*o,0,c*o+n*l,h*o+i,h*l-n*a,0,c*l-n*o,h*l+n*a,s*l*l+i,0,0,0,0,1),this}makeScale(e,t,i){return this.set(e,0,0,0,0,t,0,0,0,0,i,0,0,0,0,1),this}makeShear(e,t,i,n,s,a){return this.set(1,i,s,0,e,1,a,0,t,n,1,0,0,0,0,1),this}compose(e,t,i){let n=this.elements,s=t._x,a=t._y,o=t._z,l=t._w,c=s+s,h=a+a,u=o+o,d=s*c,f=s*h,m=s*u,v=a*h,g=a*u,p=o*u,y=l*c,x=l*h,_=l*u,D=i.x,T=i.y,R=i.z;return n[0]=(1-(v+p))*D,n[1]=(f+_)*D,n[2]=(m-x)*D,n[3]=0,n[4]=(f-_)*T,n[5]=(1-(d+p))*T,n[6]=(g+y)*T,n[7]=0,n[8]=(m+x)*R,n[9]=(g-y)*R,n[10]=(1-(d+v))*R,n[11]=0,n[12]=e.x,n[13]=e.y,n[14]=e.z,n[15]=1,this}decompose(e,t,i){let n=this.elements,s=Rs.set(n[0],n[1],n[2]).length(),a=Rs.set(n[4],n[5],n[6]).length(),o=Rs.set(n[8],n[9],n[10]).length();this.determinant()<0&&(s=-s),e.x=n[12],e.y=n[13],e.z=n[14],Qi.copy(this);let c=1/s,h=1/a,u=1/o;return Qi.elements[0]*=c,Qi.elements[1]*=c,Qi.elements[2]*=c,Qi.elements[4]*=h,Qi.elements[5]*=h,Qi.elements[6]*=h,Qi.elements[8]*=u,Qi.elements[9]*=u,Qi.elements[10]*=u,t.setFromRotationMatrix(Qi),i.x=s,i.y=a,i.z=o,this}makePerspective(e,t,i,n,s,a,o=Bi){let l=this.elements,c=2*s/(t-e),h=2*s/(i-n),u=(t+e)/(t-e),d=(i+n)/(i-n),f,m;if(o===Bi)f=-(a+s)/(a-s),m=-2*a*s/(a-s);else if(o===_s)f=-a/(a-s),m=-a*s/(a-s);else throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+o);return l[0]=c,l[4]=0,l[8]=u,l[12]=0,l[1]=0,l[5]=h,l[9]=d,l[13]=0,l[2]=0,l[6]=0,l[10]=f,l[14]=m,l[3]=0,l[7]=0,l[11]=-1,l[15]=0,this}makeOrthographic(e,t,i,n,s,a,o=Bi){let l=this.elements,c=1/(t-e),h=1/(i-n),u=1/(a-s),d=(t+e)*c,f=(i+n)*h,m,v;if(o===Bi)m=(a+s)*u,v=-2*u;else if(o===_s)m=s*u,v=-1*u;else throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+o);return l[0]=2*c,l[4]=0,l[8]=0,l[12]=-d,l[1]=0,l[5]=2*h,l[9]=0,l[13]=-f,l[2]=0,l[6]=0,l[10]=v,l[14]=-m,l[3]=0,l[7]=0,l[11]=0,l[15]=1,this}equals(e){let t=this.elements,i=e.elements;for(let n=0;n<16;n++)if(t[n]!==i[n])return!1;return!0}fromArray(e,t=0){for(let i=0;i<16;i++)this.elements[i]=e[i+t];return this}toArray(e=[],t=0){let i=this.elements;return e[t]=i[0],e[t+1]=i[1],e[t+2]=i[2],e[t+3]=i[3],e[t+4]=i[4],e[t+5]=i[5],e[t+6]=i[6],e[t+7]=i[7],e[t+8]=i[8],e[t+9]=i[9],e[t+10]=i[10],e[t+11]=i[11],e[t+12]=i[12],e[t+13]=i[13],e[t+14]=i[14],e[t+15]=i[15],e}},Rs=new b,Qi=new Le,a0=new b(0,0,0),o0=new b(1,1,1),qn=new b,Ll=new b,Si=new b,Bp=new Le,Op=new Ft,oi=class{constructor(e=0,t=0,i=0,n=oi.DEFAULT_ORDER){this.isEuler=!0,this._x=e,this._y=t,this._z=i,this._order=n}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get order(){return this._order}set order(e){this._order=e,this._onChangeCallback()}set(e,t,i,n=this._order){return this._x=e,this._y=t,this._z=i,this._order=n,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(e){return this._x=e._x,this._y=e._y,this._z=e._z,this._order=e._order,this._onChangeCallback(),this}setFromRotationMatrix(e,t=this._order,i=!0){let n=e.elements,s=n[0],a=n[4],o=n[8],l=n[1],c=n[5],h=n[9],u=n[2],d=n[6],f=n[10];switch(t){case"XYZ":this._y=Math.asin(Ge(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-h,f),this._z=Math.atan2(-a,s)):(this._x=Math.atan2(d,c),this._z=0);break;case"YXZ":this._x=Math.asin(-Ge(h,-1,1)),Math.abs(h)<.9999999?(this._y=Math.atan2(o,f),this._z=Math.atan2(l,c)):(this._y=Math.atan2(-u,s),this._z=0);break;case"ZXY":this._x=Math.asin(Ge(d,-1,1)),Math.abs(d)<.9999999?(this._y=Math.atan2(-u,f),this._z=Math.atan2(-a,c)):(this._y=0,this._z=Math.atan2(l,s));break;case"ZYX":this._y=Math.asin(-Ge(u,-1,1)),Math.abs(u)<.9999999?(this._x=Math.atan2(d,f),this._z=Math.atan2(l,s)):(this._x=0,this._z=Math.atan2(-a,c));break;case"YZX":this._z=Math.asin(Ge(l,-1,1)),Math.abs(l)<.9999999?(this._x=Math.atan2(-h,c),this._y=Math.atan2(-u,s)):(this._x=0,this._y=Math.atan2(o,f));break;case"XZY":this._z=Math.asin(-Ge(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(d,c),this._y=Math.atan2(o,s)):(this._x=Math.atan2(-h,f),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+t)}return this._order=t,i===!0&&this._onChangeCallback(),this}setFromQuaternion(e,t,i){return Bp.makeRotationFromQuaternion(e),this.setFromRotationMatrix(Bp,t,i)}setFromVector3(e,t=this._order){return this.set(e.x,e.y,e.z,t)}reorder(e){return Op.setFromEuler(this),this.setFromQuaternion(Op,e)}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._order===this._order}fromArray(e){return this._x=e[0],this._y=e[1],this._z=e[2],e[3]!==void 0&&(this._order=e[3]),this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._order,e}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}};oi.DEFAULT_ORDER="XYZ";var Ds=class{constructor(){this.mask=1|0}set(e){this.mask=(1<>>0}enable(e){this.mask|=1<1){for(let t=0;t1){for(let i=0;i0&&(n.userData=this.userData),n.layers=this.layers.mask,n.matrix=this.matrix.toArray(),n.up=this.up.toArray(),this.matrixAutoUpdate===!1&&(n.matrixAutoUpdate=!1),this.isInstancedMesh&&(n.type="InstancedMesh",n.count=this.count,n.instanceMatrix=this.instanceMatrix.toJSON(),this.instanceColor!==null&&(n.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(n.type="BatchedMesh",n.perObjectFrustumCulled=this.perObjectFrustumCulled,n.sortObjects=this.sortObjects,n.drawRanges=this._drawRanges,n.reservedRanges=this._reservedRanges,n.visibility=this._visibility,n.active=this._active,n.bounds=this._bounds.map(o=>({boxInitialized:o.boxInitialized,boxMin:o.box.min.toArray(),boxMax:o.box.max.toArray(),sphereInitialized:o.sphereInitialized,sphereRadius:o.sphere.radius,sphereCenter:o.sphere.center.toArray()})),n.maxInstanceCount=this._maxInstanceCount,n.maxVertexCount=this._maxVertexCount,n.maxIndexCount=this._maxIndexCount,n.geometryInitialized=this._geometryInitialized,n.geometryCount=this._geometryCount,n.matricesTexture=this._matricesTexture.toJSON(e),this._colorsTexture!==null&&(n.colorsTexture=this._colorsTexture.toJSON(e)),this.boundingSphere!==null&&(n.boundingSphere={center:n.boundingSphere.center.toArray(),radius:n.boundingSphere.radius}),this.boundingBox!==null&&(n.boundingBox={min:n.boundingBox.min.toArray(),max:n.boundingBox.max.toArray()}));function s(o,l){return o[l.uuid]===void 0&&(o[l.uuid]=l.toJSON(e)),l.uuid}if(this.isScene)this.background&&(this.background.isColor?n.background=this.background.toJSON():this.background.isTexture&&(n.background=this.background.toJSON(e).uuid)),this.environment&&this.environment.isTexture&&this.environment.isRenderTargetTexture!==!0&&(n.environment=this.environment.toJSON(e).uuid);else if(this.isMesh||this.isLine||this.isPoints){n.geometry=s(e.geometries,this.geometry);let o=this.geometry.parameters;if(o!==void 0&&o.shapes!==void 0){let l=o.shapes;if(Array.isArray(l))for(let c=0,h=l.length;c0){n.children=[];for(let o=0;o0){n.animations=[];for(let o=0;o0&&(i.geometries=o),l.length>0&&(i.materials=l),c.length>0&&(i.textures=c),h.length>0&&(i.images=h),u.length>0&&(i.shapes=u),d.length>0&&(i.skeletons=d),f.length>0&&(i.animations=f),m.length>0&&(i.nodes=m)}return i.object=n,i;function a(o){let l=[];for(let c in o){let h=o[c];delete h.metadata,l.push(h)}return l}}clone(e){return new this.constructor().copy(this,e)}copy(e,t=!0){if(this.name=e.name,this.up.copy(e.up),this.position.copy(e.position),this.rotation.order=e.rotation.order,this.quaternion.copy(e.quaternion),this.scale.copy(e.scale),this.matrix.copy(e.matrix),this.matrixWorld.copy(e.matrixWorld),this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrixWorldAutoUpdate=e.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=e.matrixWorldNeedsUpdate,this.layers.mask=e.layers.mask,this.visible=e.visible,this.castShadow=e.castShadow,this.receiveShadow=e.receiveShadow,this.frustumCulled=e.frustumCulled,this.renderOrder=e.renderOrder,this.animations=e.animations.slice(),this.userData=JSON.parse(JSON.stringify(e.userData)),t===!0)for(let i=0;i0?n.multiplyScalar(1/Math.sqrt(s)):n.set(0,0,0)}static getBarycoord(e,t,i,n,s){Ki.subVectors(n,t),wn.subVectors(i,t),wu.subVectors(e,t);let a=Ki.dot(Ki),o=Ki.dot(wn),l=Ki.dot(wu),c=wn.dot(wn),h=wn.dot(wu),u=a*c-o*o;if(u===0)return s.set(0,0,0),null;let d=1/u,f=(c*l-o*h)*d,m=(a*h-o*l)*d;return s.set(1-f-m,m,f)}static containsPoint(e,t,i,n){return this.getBarycoord(e,t,i,n,Cn)===null?!1:Cn.x>=0&&Cn.y>=0&&Cn.x+Cn.y<=1}static getInterpolation(e,t,i,n,s,a,o,l){return this.getBarycoord(e,t,i,n,Cn)===null?(l.x=0,l.y=0,"z"in l&&(l.z=0),"w"in l&&(l.w=0),null):(l.setScalar(0),l.addScaledVector(s,Cn.x),l.addScaledVector(a,Cn.y),l.addScaledVector(o,Cn.z),l)}static getInterpolatedAttribute(e,t,i,n,s,a){return Pu.setScalar(0),Iu.setScalar(0),Uu.setScalar(0),Pu.fromBufferAttribute(e,t),Iu.fromBufferAttribute(e,i),Uu.fromBufferAttribute(e,n),a.setScalar(0),a.addScaledVector(Pu,s.x),a.addScaledVector(Iu,s.y),a.addScaledVector(Uu,s.z),a}static isFrontFacing(e,t,i,n){return Ki.subVectors(i,t),wn.subVectors(e,t),Ki.cross(wn).dot(n)<0}set(e,t,i){return this.a.copy(e),this.b.copy(t),this.c.copy(i),this}setFromPointsAndIndices(e,t,i,n){return this.a.copy(e[t]),this.b.copy(e[i]),this.c.copy(e[n]),this}setFromAttributeAndIndices(e,t,i,n){return this.a.fromBufferAttribute(e,t),this.b.fromBufferAttribute(e,i),this.c.fromBufferAttribute(e,n),this}clone(){return new this.constructor().copy(this)}copy(e){return this.a.copy(e.a),this.b.copy(e.b),this.c.copy(e.c),this}getArea(){return Ki.subVectors(this.c,this.b),wn.subVectors(this.a,this.b),Ki.cross(wn).length()*.5}getMidpoint(e){return e.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(e){return ei.getNormal(this.a,this.b,this.c,e)}getPlane(e){return e.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(e,t){return ei.getBarycoord(e,this.a,this.b,this.c,t)}getInterpolation(e,t,i,n,s){return ei.getInterpolation(e,this.a,this.b,this.c,t,i,n,s)}containsPoint(e){return ei.containsPoint(e,this.a,this.b,this.c)}isFrontFacing(e){return ei.isFrontFacing(this.a,this.b,this.c,e)}intersectsBox(e){return e.intersectsTriangle(this)}closestPointToPoint(e,t){let i=this.a,n=this.b,s=this.c,a,o;Us.subVectors(n,i),Ls.subVectors(s,i),Cu.subVectors(e,i);let l=Us.dot(Cu),c=Ls.dot(Cu);if(l<=0&&c<=0)return t.copy(i);Ru.subVectors(e,n);let h=Us.dot(Ru),u=Ls.dot(Ru);if(h>=0&&u<=h)return t.copy(n);let d=l*u-h*c;if(d<=0&&l>=0&&h<=0)return a=l/(l-h),t.copy(i).addScaledVector(Us,a);Du.subVectors(e,s);let f=Us.dot(Du),m=Ls.dot(Du);if(m>=0&&f<=m)return t.copy(s);let v=f*c-l*m;if(v<=0&&c>=0&&m<=0)return o=c/(c-m),t.copy(i).addScaledVector(Ls,o);let g=h*m-f*u;if(g<=0&&u-h>=0&&f-m>=0)return Gp.subVectors(s,n),o=(u-h)/(u-h+(f-m)),t.copy(n).addScaledVector(Gp,o);let p=1/(g+v+d);return a=v*p,o=d*p,t.copy(i).addScaledVector(Us,a).addScaledVector(Ls,o)}equals(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}},Vp={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},Zn={h:0,s:0,l:0},Ol={h:0,s:0,l:0};function Lu(r,e,t){return t<0&&(t+=1),t>1&&(t-=1),t<1/6?r+(e-r)*6*t:t<1/2?e:t<2/3?r+(e-r)*6*(2/3-t):r}var re=class{constructor(e,t,i){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(e,t,i)}set(e,t,i){if(t===void 0&&i===void 0){let n=e;n&&n.isColor?this.copy(n):typeof n=="number"?this.setHex(n):typeof n=="string"&&this.setStyle(n)}else this.setRGB(e,t,i);return this}setScalar(e){return this.r=e,this.g=e,this.b=e,this}setHex(e,t=Oe){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(e&255)/255,et.toWorkingColorSpace(this,t),this}setRGB(e,t,i,n=et.workingColorSpace){return this.r=e,this.g=t,this.b=i,et.toWorkingColorSpace(this,n),this}setHSL(e,t,i,n=et.workingColorSpace){if(e=fu(e,1),t=Ge(t,0,1),i=Ge(i,0,1),t===0)this.r=this.g=this.b=i;else{let s=i<=.5?i*(1+t):i+t-i*t,a=2*i-s;this.r=Lu(a,s,e+1/3),this.g=Lu(a,s,e),this.b=Lu(a,s,e-1/3)}return et.toWorkingColorSpace(this,n),this}setStyle(e,t=Oe){function i(s){s!==void 0&&parseFloat(s)<1&&console.warn("THREE.Color: Alpha component of "+e+" will be ignored.")}let n;if(n=/^(\w+)\(([^\)]*)\)/.exec(e)){let s,a=n[1],o=n[2];switch(a){case"rgb":case"rgba":if(s=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return i(s[4]),this.setRGB(Math.min(255,parseInt(s[1],10))/255,Math.min(255,parseInt(s[2],10))/255,Math.min(255,parseInt(s[3],10))/255,t);if(s=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return i(s[4]),this.setRGB(Math.min(100,parseInt(s[1],10))/100,Math.min(100,parseInt(s[2],10))/100,Math.min(100,parseInt(s[3],10))/100,t);break;case"hsl":case"hsla":if(s=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return i(s[4]),this.setHSL(parseFloat(s[1])/360,parseFloat(s[2])/100,parseFloat(s[3])/100,t);break;default:console.warn("THREE.Color: Unknown color model "+e)}}else if(n=/^\#([A-Fa-f\d]+)$/.exec(e)){let s=n[1],a=s.length;if(a===3)return this.setRGB(parseInt(s.charAt(0),16)/15,parseInt(s.charAt(1),16)/15,parseInt(s.charAt(2),16)/15,t);if(a===6)return this.setHex(parseInt(s,16),t);console.warn("THREE.Color: Invalid hex color "+e)}else if(e&&e.length>0)return this.setColorName(e,t);return this}setColorName(e,t=Oe){let i=Vp[e.toLowerCase()];return i!==void 0?this.setHex(i,t):console.warn("THREE.Color: Unknown color "+e),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(e){return this.r=e.r,this.g=e.g,this.b=e.b,this}copySRGBToLinear(e){return this.r=Sn(e.r),this.g=Sn(e.g),this.b=Sn(e.b),this}copyLinearToSRGB(e){return this.r=Ss(e.r),this.g=Ss(e.g),this.b=Ss(e.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(e=Oe){return et.fromWorkingColorSpace(ti.copy(this),e),Math.round(Ge(ti.r*255,0,255))*65536+Math.round(Ge(ti.g*255,0,255))*256+Math.round(Ge(ti.b*255,0,255))}getHexString(e=Oe){return("000000"+this.getHex(e).toString(16)).slice(-6)}getHSL(e,t=et.workingColorSpace){et.fromWorkingColorSpace(ti.copy(this),t);let i=ti.r,n=ti.g,s=ti.b,a=Math.max(i,n,s),o=Math.min(i,n,s),l,c,h=(o+a)/2;if(o===a)l=0,c=0;else{let u=a-o;switch(c=h<=.5?u/(a+o):u/(2-a-o),a){case i:l=(n-s)/u+(n0!=e>0&&this.version++,this._alphaTest=e}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(e){if(e!==void 0)for(let t in e){let i=e[t];if(i===void 0){console.warn(`THREE.Material: parameter '${t}' has value of undefined.`);continue}let n=this[t];if(n===void 0){console.warn(`THREE.Material: '${t}' is not a property of THREE.${this.type}.`);continue}n&&n.isColor?n.set(i):n&&n.isVector3&&i&&i.isVector3?n.copy(i):this[t]=i}}toJSON(e){let t=e===void 0||typeof e=="string";t&&(e={textures:{},images:{}});let i={metadata:{version:4.6,type:"Material",generator:"Material.toJSON"}};i.uuid=this.uuid,i.type=this.type,this.name!==""&&(i.name=this.name),this.color&&this.color.isColor&&(i.color=this.color.getHex()),this.roughness!==void 0&&(i.roughness=this.roughness),this.metalness!==void 0&&(i.metalness=this.metalness),this.sheen!==void 0&&(i.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(i.sheenColor=this.sheenColor.getHex()),this.sheenRoughness!==void 0&&(i.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(i.emissive=this.emissive.getHex()),this.emissiveIntensity!==void 0&&this.emissiveIntensity!==1&&(i.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(i.specular=this.specular.getHex()),this.specularIntensity!==void 0&&(i.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(i.specularColor=this.specularColor.getHex()),this.shininess!==void 0&&(i.shininess=this.shininess),this.clearcoat!==void 0&&(i.clearcoat=this.clearcoat),this.clearcoatRoughness!==void 0&&(i.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(i.clearcoatMap=this.clearcoatMap.toJSON(e).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(i.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(e).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(i.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(e).uuid,i.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.dispersion!==void 0&&(i.dispersion=this.dispersion),this.iridescence!==void 0&&(i.iridescence=this.iridescence),this.iridescenceIOR!==void 0&&(i.iridescenceIOR=this.iridescenceIOR),this.iridescenceThicknessRange!==void 0&&(i.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(i.iridescenceMap=this.iridescenceMap.toJSON(e).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(i.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(e).uuid),this.anisotropy!==void 0&&(i.anisotropy=this.anisotropy),this.anisotropyRotation!==void 0&&(i.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(i.anisotropyMap=this.anisotropyMap.toJSON(e).uuid),this.map&&this.map.isTexture&&(i.map=this.map.toJSON(e).uuid),this.matcap&&this.matcap.isTexture&&(i.matcap=this.matcap.toJSON(e).uuid),this.alphaMap&&this.alphaMap.isTexture&&(i.alphaMap=this.alphaMap.toJSON(e).uuid),this.lightMap&&this.lightMap.isTexture&&(i.lightMap=this.lightMap.toJSON(e).uuid,i.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(i.aoMap=this.aoMap.toJSON(e).uuid,i.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(i.bumpMap=this.bumpMap.toJSON(e).uuid,i.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(i.normalMap=this.normalMap.toJSON(e).uuid,i.normalMapType=this.normalMapType,i.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(i.displacementMap=this.displacementMap.toJSON(e).uuid,i.displacementScale=this.displacementScale,i.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(i.roughnessMap=this.roughnessMap.toJSON(e).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(i.metalnessMap=this.metalnessMap.toJSON(e).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(i.emissiveMap=this.emissiveMap.toJSON(e).uuid),this.specularMap&&this.specularMap.isTexture&&(i.specularMap=this.specularMap.toJSON(e).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(i.specularIntensityMap=this.specularIntensityMap.toJSON(e).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(i.specularColorMap=this.specularColorMap.toJSON(e).uuid),this.envMap&&this.envMap.isTexture&&(i.envMap=this.envMap.toJSON(e).uuid,this.combine!==void 0&&(i.combine=this.combine)),this.envMapRotation!==void 0&&(i.envMapRotation=this.envMapRotation.toArray()),this.envMapIntensity!==void 0&&(i.envMapIntensity=this.envMapIntensity),this.reflectivity!==void 0&&(i.reflectivity=this.reflectivity),this.refractionRatio!==void 0&&(i.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(i.gradientMap=this.gradientMap.toJSON(e).uuid),this.transmission!==void 0&&(i.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(i.transmissionMap=this.transmissionMap.toJSON(e).uuid),this.thickness!==void 0&&(i.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(i.thicknessMap=this.thicknessMap.toJSON(e).uuid),this.attenuationDistance!==void 0&&this.attenuationDistance!==1/0&&(i.attenuationDistance=this.attenuationDistance),this.attenuationColor!==void 0&&(i.attenuationColor=this.attenuationColor.getHex()),this.size!==void 0&&(i.size=this.size),this.shadowSide!==null&&(i.shadowSide=this.shadowSide),this.sizeAttenuation!==void 0&&(i.sizeAttenuation=this.sizeAttenuation),this.blending!==Hn&&(i.blending=this.blending),this.side!==Pi&&(i.side=this.side),this.vertexColors===!0&&(i.vertexColors=!0),this.opacity<1&&(i.opacity=this.opacity),this.transparent===!0&&(i.transparent=!0),this.blendSrc!==Ea&&(i.blendSrc=this.blendSrc),this.blendDst!==Ma&&(i.blendDst=this.blendDst),this.blendEquation!==_n&&(i.blendEquation=this.blendEquation),this.blendSrcAlpha!==null&&(i.blendSrcAlpha=this.blendSrcAlpha),this.blendDstAlpha!==null&&(i.blendDstAlpha=this.blendDstAlpha),this.blendEquationAlpha!==null&&(i.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(i.blendColor=this.blendColor.getHex()),this.blendAlpha!==0&&(i.blendAlpha=this.blendAlpha),this.depthFunc!==zn&&(i.depthFunc=this.depthFunc),this.depthTest===!1&&(i.depthTest=this.depthTest),this.depthWrite===!1&&(i.depthWrite=this.depthWrite),this.colorWrite===!1&&(i.colorWrite=this.colorWrite),this.stencilWriteMask!==255&&(i.stencilWriteMask=this.stencilWriteMask),this.stencilFunc!==Ml&&(i.stencilFunc=this.stencilFunc),this.stencilRef!==0&&(i.stencilRef=this.stencilRef),this.stencilFuncMask!==255&&(i.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==Wn&&(i.stencilFail=this.stencilFail),this.stencilZFail!==Wn&&(i.stencilZFail=this.stencilZFail),this.stencilZPass!==Wn&&(i.stencilZPass=this.stencilZPass),this.stencilWrite===!0&&(i.stencilWrite=this.stencilWrite),this.rotation!==void 0&&this.rotation!==0&&(i.rotation=this.rotation),this.polygonOffset===!0&&(i.polygonOffset=!0),this.polygonOffsetFactor!==0&&(i.polygonOffsetFactor=this.polygonOffsetFactor),this.polygonOffsetUnits!==0&&(i.polygonOffsetUnits=this.polygonOffsetUnits),this.linewidth!==void 0&&this.linewidth!==1&&(i.linewidth=this.linewidth),this.dashSize!==void 0&&(i.dashSize=this.dashSize),this.gapSize!==void 0&&(i.gapSize=this.gapSize),this.scale!==void 0&&(i.scale=this.scale),this.dithering===!0&&(i.dithering=!0),this.alphaTest>0&&(i.alphaTest=this.alphaTest),this.alphaHash===!0&&(i.alphaHash=!0),this.alphaToCoverage===!0&&(i.alphaToCoverage=!0),this.premultipliedAlpha===!0&&(i.premultipliedAlpha=!0),this.forceSinglePass===!0&&(i.forceSinglePass=!0),this.wireframe===!0&&(i.wireframe=!0),this.wireframeLinewidth>1&&(i.wireframeLinewidth=this.wireframeLinewidth),this.wireframeLinecap!=="round"&&(i.wireframeLinecap=this.wireframeLinecap),this.wireframeLinejoin!=="round"&&(i.wireframeLinejoin=this.wireframeLinejoin),this.flatShading===!0&&(i.flatShading=!0),this.visible===!1&&(i.visible=!1),this.toneMapped===!1&&(i.toneMapped=!1),this.fog===!1&&(i.fog=!1),Object.keys(this.userData).length>0&&(i.userData=this.userData);function n(s){let a=[];for(let o in s){let l=s[o];delete l.metadata,a.push(l)}return a}if(t){let s=n(e.textures),a=n(e.images);s.length>0&&(i.textures=s),a.length>0&&(i.images=a)}return i}clone(){return new this.constructor().copy(this)}copy(e){this.name=e.name,this.blending=e.blending,this.side=e.side,this.vertexColors=e.vertexColors,this.opacity=e.opacity,this.transparent=e.transparent,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.blendColor.copy(e.blendColor),this.blendAlpha=e.blendAlpha,this.depthFunc=e.depthFunc,this.depthTest=e.depthTest,this.depthWrite=e.depthWrite,this.stencilWriteMask=e.stencilWriteMask,this.stencilFunc=e.stencilFunc,this.stencilRef=e.stencilRef,this.stencilFuncMask=e.stencilFuncMask,this.stencilFail=e.stencilFail,this.stencilZFail=e.stencilZFail,this.stencilZPass=e.stencilZPass,this.stencilWrite=e.stencilWrite;let t=e.clippingPlanes,i=null;if(t!==null){let n=t.length;i=new Array(n);for(let s=0;s!==n;++s)i[s]=t[s].clone()}return this.clippingPlanes=i,this.clipIntersection=e.clipIntersection,this.clipShadows=e.clipShadows,this.shadowSide=e.shadowSide,this.colorWrite=e.colorWrite,this.precision=e.precision,this.polygonOffset=e.polygonOffset,this.polygonOffsetFactor=e.polygonOffsetFactor,this.polygonOffsetUnits=e.polygonOffsetUnits,this.dithering=e.dithering,this.alphaTest=e.alphaTest,this.alphaHash=e.alphaHash,this.alphaToCoverage=e.alphaToCoverage,this.premultipliedAlpha=e.premultipliedAlpha,this.forceSinglePass=e.forceSinglePass,this.visible=e.visible,this.toneMapped=e.toneMapped,this.userData=JSON.parse(JSON.stringify(e.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(e){e===!0&&this.version++}onBuild(){console.warn("Material: onBuild() has been removed.")}},li=class extends St{constructor(e){super();this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new re(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new oi,this.combine=ns,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.envMapRotation.copy(e.envMapRotation),this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.fog=e.fog,this}},Rn=f0();function f0(){let r=new ArrayBuffer(4),e=new Float32Array(r),t=new Uint32Array(r),i=new Uint32Array(512),n=new Uint32Array(512);for(let l=0;l<256;++l){let c=l-127;c<-27?(i[l]=0,i[l|256]=32768,n[l]=24,n[l|256]=24):c<-14?(i[l]=1024>>-c-14,i[l|256]=1024>>-c-14|32768,n[l]=-c-1,n[l|256]=-c-1):c<=15?(i[l]=c+15<<10,i[l|256]=c+15<<10|32768,n[l]=13,n[l|256]=13):c<128?(i[l]=31744,i[l|256]=64512,n[l]=24,n[l|256]=24):(i[l]=31744,i[l|256]=64512,n[l]=13,n[l|256]=13)}let s=new Uint32Array(2048),a=new Uint32Array(64),o=new Uint32Array(64);for(let l=1;l<1024;++l){let c=l<<13,h=0;for(;(c&8388608)==0;)c<<=1,h-=8388608;c&=~8388608,h+=947912704,s[l]=c|h}for(let l=1024;l<2048;++l)s[l]=939524096+(l-1024<<13);for(let l=1;l<31;++l)a[l]=l<<23;a[31]=1199570944,a[32]=2147483648;for(let l=33;l<63;++l)a[l]=2147483648+(l-32<<23);a[63]=3347054592;for(let l=1;l<64;++l)l!==32&&(o[l]=1024);return{floatView:e,uint32View:t,baseTable:i,shiftTable:n,mantissaTable:s,exponentTable:a,offsetTable:o}}function fi(r){Math.abs(r)>65504&&console.warn("THREE.DataUtils.toHalfFloat(): Value out of range."),r=Ge(r,-65504,65504),Rn.floatView[0]=r;let e=Rn.uint32View[0],t=e>>23&511;return Rn.baseTable[t]+((e&8388607)>>Rn.shiftTable[t])}function yo(r){let e=r>>10;return Rn.uint32View[0]=Rn.mantissaTable[Rn.offsetTable[e]+(r&1023)]+Rn.exponentTable[e],Rn.floatView[0]}var Wp={toHalfFloat:fi,fromHalfFloat:yo},Ot=new b,Nl=new z,p0=0,Ce=class{constructor(e,t,i=!1){if(Array.isArray(e))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,Object.defineProperty(this,"id",{value:p0++}),this.name="",this.array=e,this.itemSize=t,this.count=e!==void 0?e.length/t:0,this.normalized=i,this.usage=xs,this.updateRanges=[],this.gpuType=Kt,this.version=0}onUploadCallback(){}set needsUpdate(e){e===!0&&this.version++}setUsage(e){return this.usage=e,this}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}copy(e){return this.name=e.name,this.array=new e.array.constructor(e.array),this.itemSize=e.itemSize,this.count=e.count,this.normalized=e.normalized,this.usage=e.usage,this.gpuType=e.gpuType,this}copyAt(e,t,i){e*=this.itemSize,i*=t.itemSize;for(let n=0,s=this.itemSize;nt.count&&console.warn("THREE.BufferGeometry: Buffer size too small for points data. 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u=0,d=c.length;u0&&(n[l]=h,s=!0)}s&&(e.data.morphAttributes=n,e.data.morphTargetsRelative=this.morphTargetsRelative);let a=this.groups;a.length>0&&(e.data.groups=JSON.parse(JSON.stringify(a)));let o=this.boundingSphere;return o!==null&&(e.data.boundingSphere={center:o.center.toArray(),radius:o.radius}),e}clone(){return new this.constructor().copy(this)}copy(e){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;let t={};this.name=e.name;let i=e.index;i!==null&&this.setIndex(i.clone(t));let n=e.attributes;for(let c in n){let h=n[c];this.setAttribute(c,h.clone(t))}let s=e.morphAttributes;for(let c in s){let h=[],u=s[c];for(let d=0,f=u.length;d0){let n=t[i[0]];if(n!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let s=0,a=n.length;srn(e.far-e.near,2)))&&(Xp.copy(s).invert(),_r.copy(e.ray).applyMatrix4(Xp),!(i.boundingBox!==null&&_r.intersectsBox(i.boundingBox)===!1)&&this._computeIntersections(e,t,_r)))}_computeIntersections(e,t,i){let n,s=this.geometry,a=this.material,o=s.index,l=s.attributes.position,c=s.attributes.uv,h=s.attributes.uv1,u=s.attributes.normal,d=s.groups,f=s.drawRange;if(o!==null)if(Array.isArray(a))for(let m=0,v=d.length;mt.far?null:{distance:c,point:Vl.clone(),object:r}}function Wl(r,e,t,i,n,s,a,o,l,c){r.getVertexPosition(o,Hl),r.getVertexPosition(l,zl),r.getVertexPosition(c,kl);let h=g0(r,e,t,i,Hl,zl,kl,jp);if(h){let u=new b;ei.getBarycoord(jp,Hl,zl,kl,u),n&&(h.uv=ei.getInterpolatedAttribute(n,o,l,c,u,new z)),s&&(h.uv1=ei.getInterpolatedAttribute(s,o,l,c,u,new z)),a&&(h.normal=ei.getInterpolatedAttribute(a,o,l,c,u,new b),h.normal.dot(i.direction)>0&&h.normal.multiplyScalar(-1));let d={a:o,b:l,c,normal:new b,materialIndex:0};ei.getNormal(Hl,zl,kl,d.normal),h.face=d,h.barycoord=u}return h}var Dn=class extends we{constructor(e=1,t=1,i=1,n=1,s=1,a=1){super();this.type="BoxGeometry",this.parameters={width:e,height:t,depth:i,widthSegments:n,heightSegments:s,depthSegments:a};let o=this;n=Math.floor(n),s=Math.floor(s),a=Math.floor(a);let l=[],c=[],h=[],u=[],d=0,f=0;m("z","y","x",-1,-1,i,t,e,a,s,0),m("z","y","x",1,-1,i,t,-e,a,s,1),m("x","z","y",1,1,e,i,t,n,a,2),m("x","z","y",1,-1,e,i,-t,n,a,3),m("x","y","z",1,-1,e,t,i,n,s,4),m("x","y","z",-1,-1,e,t,-i,n,s,5),this.setIndex(l),this.setAttribute("position",new me(c,3)),this.setAttribute("normal",new me(h,3)),this.setAttribute("uv",new me(u,2));function m(v,g,p,y,x,_,D,T,R,P,M){let A=_/R,I=D/P,k=_/2,N=D/2,G=T/2,Z=R+1,V=P+1,ne=0,W=0,ce=new b;for(let ve=0;ve0?1:-1,h.push(ce.x,ce.y,ce.z),u.push(Ve/R),u.push(1-ve/P),ne+=1}}for(let ve=0;ve0&&(t.defines=this.defines),t.vertexShader=this.vertexShader,t.fragmentShader=this.fragmentShader;let n={};for(let i in this.extensions)this.extensions[i]===!0&&(n[i]=!0);return Object.keys(n).length>0&&(t.extensions=n),t}};Ye.prototype.isShaderMaterial=!0;var ai=class extends _e{constructor(){super();this.type="Camera",this.matrixWorldInverse=new ge,this.projectionMatrix=new ge,this.projectionMatrixInverse=new ge}copy(e,t){return super.copy(e,t),this.matrixWorldInverse.copy(e.matrixWorldInverse),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this}getWorldDirection(e){this.updateWorldMatrix(!0,!1);let t=this.matrixWorld.elements;return e.set(-t[8],-t[9],-t[10]).normalize()}updateMatrixWorld(e){super.updateMatrixWorld(e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(e,t){super.updateWorldMatrix(e,t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return new this.constructor().copy(this)}};ai.prototype.isCamera=!0;var ct=class extends ai{constructor(e=50,t=1,n=.1,i=2e3){super();this.type="PerspectiveCamera",this.fov=e,this.zoom=1,this.near=n,this.far=i,this.focus=10,this.aspect=t,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.fov=e.fov,this.zoom=e.zoom,this.near=e.near,this.far=e.far,this.focus=e.focus,this.aspect=e.aspect,this.view=e.view===null?null:Object.assign({},e.view),this.filmGauge=e.filmGauge,this.filmOffset=e.filmOffset,this}setFocalLength(e){let t=.5*this.getFilmHeight()/e;this.fov=_s*2*Math.atan(t),this.updateProjectionMatrix()}getFocalLength(){let e=Math.tan(Oi*.5*this.fov);return .5*this.getFilmHeight()/e}getEffectiveFOV(){return _s*2*Math.atan(Math.tan(Oi*.5*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}setViewOffset(e,t,n,i,s,a){this.aspect=e/t,this.view===null&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=i,this.view.width=s,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){this.view!==null&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){let e=this.near,t=e*Math.tan(Oi*.5*this.fov)/this.zoom,n=2*t,i=this.aspect*n,s=-.5*i,a=this.view;if(this.view!==null&&this.view.enabled){let l=a.fullWidth,c=a.fullHeight;s+=a.offsetX*i/l,t-=a.offsetY*n/c,i*=a.width/l,n*=a.height/c}let o=this.filmOffset;o!==0&&(s+=e*o/this.getFilmWidth()),this.projectionMatrix.makePerspective(s,s+i,t,t-n,e,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){let t=super.toJSON(e);return t.object.fov=this.fov,t.object.zoom=this.zoom,t.object.near=this.near,t.object.far=this.far,t.object.focus=this.focus,t.object.aspect=this.aspect,this.view!==null&&(t.object.view=Object.assign({},this.view)),t.object.filmGauge=this.filmGauge,t.object.filmOffset=this.filmOffset,t}};ct.prototype.isPerspectiveCamera=!0;var _r=90,Tr=1,Bs=class extends _e{constructor(e,t,n){super();if(this.type="CubeCamera",n.isWebGLCubeRenderTarget!==!0){console.error("THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.");return}this.renderTarget=n;let i=new ct(_r,Tr,e,t);i.layers=this.layers,i.up.set(0,-1,0),i.lookAt(new A(1,0,0)),this.add(i);let s=new ct(_r,Tr,e,t);s.layers=this.layers,s.up.set(0,-1,0),s.lookAt(new A(-1,0,0)),this.add(s);let a=new ct(_r,Tr,e,t);a.layers=this.layers,a.up.set(0,0,1),a.lookAt(new A(0,1,0)),this.add(a);let o=new ct(_r,Tr,e,t);o.layers=this.layers,o.up.set(0,0,-1),o.lookAt(new A(0,-1,0)),this.add(o);let l=new ct(_r,Tr,e,t);l.layers=this.layers,l.up.set(0,-1,0),l.lookAt(new A(0,0,1)),this.add(l);let c=new ct(_r,Tr,e,t);c.layers=this.layers,c.up.set(0,-1,0),c.lookAt(new A(0,0,-1)),this.add(c)}update(e,t){this.parent===null&&this.updateMatrixWorld();let n=this.renderTarget,[i,s,a,o,l,c]=this.children,u=e.xr.enabled,h=e.getRenderTarget();e.xr.enabled=!1;let d=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,e.setRenderTarget(n,0),e.render(t,i),e.setRenderTarget(n,1),e.render(t,s),e.setRenderTarget(n,2),e.render(t,a),e.setRenderTarget(n,3),e.render(t,o),e.setRenderTarget(n,4),e.render(t,l),n.texture.generateMipmaps=d,e.setRenderTarget(n,5),e.render(t,c),e.setRenderTarget(h),e.xr.enabled=u}},Gi=class extends ot{constructor(e,t,n,i,s,a,o,l,c,u){e=e!==void 0?e:[],t=t!==void 0?t:Di;super(e,t,n,i,s,a,o,l,c,u);this.flipY=!1}get images(){return this.image}set images(e){this.image=e}};Gi.prototype.isCubeTexture=!0;var Us=class extends We{constructor(e,t,n){Number.isInteger(t)&&(console.warn("THREE.WebGLCubeRenderTarget: constructor signature is now WebGLCubeRenderTarget( size, options )"),t=n);super(e,e,t);t=t||{},this.texture=new Gi(void 0,t.mapping,t.wrapS,t.wrapT,t.magFilter,t.minFilter,t.format,t.type,t.anisotropy,t.encoding),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=t.generateMipmaps!==void 0?t.generateMipmaps:!1,this.texture.minFilter=t.minFilter!==void 0?t.minFilter:et,this.texture._needsFlipEnvMap=!1}fromEquirectangularTexture(e,t){this.texture.type=t.type,this.texture.format=Tt,this.texture.encoding=t.encoding,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;let n={uniforms:{tEquirect:{value:null}},vertexShader:` +}`,Ke=class extends St{constructor(e){super();this.isShaderMaterial=!0,this.type="ShaderMaterial",this.defines={},this.uniforms={},this.uniformsGroups=[],this.vertexShader=x0,this.fragmentShader=_0,this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.forceSinglePass=!0,this.extensions={clipCullDistance:!1,multiDraw:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv1:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,e!==void 0&&this.setValues(e)}copy(e){return super.copy(e),this.fragmentShader=e.fragmentShader,this.vertexShader=e.vertexShader,this.uniforms=yr(e.uniforms),this.uniformsGroups=v0(e.uniformsGroups),this.defines=Object.assign({},e.defines),this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.fog=e.fog,this.lights=e.lights,this.clipping=e.clipping,this.extensions=Object.assign({},e.extensions),this.glslVersion=e.glslVersion,this}toJSON(e){let t=super.toJSON(e);t.glslVersion=this.glslVersion,t.uniforms={};for(let n in this.uniforms){let a=this.uniforms[n].value;a&&a.isTexture?t.uniforms[n]={type:"t",value:a.toJSON(e).uuid}:a&&a.isColor?t.uniforms[n]={type:"c",value:a.getHex()}:a&&a.isVector2?t.uniforms[n]={type:"v2",value:a.toArray()}:a&&a.isVector3?t.uniforms[n]={type:"v3",value:a.toArray()}:a&&a.isVector4?t.uniforms[n]={type:"v4",value:a.toArray()}:a&&a.isMatrix3?t.uniforms[n]={type:"m3",value:a.toArray()}:a&&a.isMatrix4?t.uniforms[n]={type:"m4",value:a.toArray()}:t.uniforms[n]={value:a}}Object.keys(this.defines).length>0&&(t.defines=this.defines),t.vertexShader=this.vertexShader,t.fragmentShader=this.fragmentShader,t.lights=this.lights,t.clipping=this.clipping;let i={};for(let n in this.extensions)this.extensions[n]===!0&&(i[n]=!0);return Object.keys(i).length>0&&(t.extensions=i),t}},Qn=class extends Xe{constructor(){super();this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new Le,this.projectionMatrix=new Le,this.projectionMatrixInverse=new Le,this.coordinateSystem=Bi}copy(e,t){return super.copy(e,t),this.matrixWorldInverse.copy(e.matrixWorldInverse),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this.coordinateSystem=e.coordinateSystem,this}getWorldDirection(e){return super.getWorldDirection(e).negate()}updateMatrixWorld(e){super.updateMatrixWorld(e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(e,t){super.updateWorldMatrix(e,t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return new this.constructor().copy(this)}},Kn=new b,qp=new z,Zp=new z,Tt=class extends Qn{constructor(e=50,t=1,i=.1,n=2e3){super();this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=e,this.zoom=1,this.near=i,this.far=n,this.focus=10,this.aspect=t,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.fov=e.fov,this.zoom=e.zoom,this.near=e.near,this.far=e.far,this.focus=e.focus,this.aspect=e.aspect,this.view=e.view===null?null:Object.assign({},e.view),this.filmGauge=e.filmGauge,this.filmOffset=e.filmOffset,this}setFocalLength(e){let t=.5*this.getFilmHeight()/e;this.fov=pr*2*Math.atan(t),this.updateProjectionMatrix()}getFocalLength(){let e=Math.tan(fr*.5*this.fov);return .5*this.getFilmHeight()/e}getEffectiveFOV(){return pr*2*Math.atan(Math.tan(fr*.5*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(e,t,i){Kn.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),t.set(Kn.x,Kn.y).multiplyScalar(-e/Kn.z),Kn.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),i.set(Kn.x,Kn.y).multiplyScalar(-e/Kn.z)}getViewSize(e,t){return this.getViewBounds(e,qp,Zp),t.subVectors(Zp,qp)}setViewOffset(e,t,i,n,s,a){this.aspect=e/t,this.view===null&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=i,this.view.offsetY=n,this.view.width=s,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){this.view!==null&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){let e=this.near,t=e*Math.tan(fr*.5*this.fov)/this.zoom,i=2*t,n=this.aspect*i,s=-.5*n,a=this.view;if(this.view!==null&&this.view.enabled){let l=a.fullWidth,c=a.fullHeight;s+=a.offsetX*n/l,t-=a.offsetY*i/c,n*=a.width/l,i*=a.height/c}let o=this.filmOffset;o!==0&&(s+=e*o/this.getFilmWidth()),this.projectionMatrix.makePerspective(s,s+n,t,t-i,e,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){let t=super.toJSON(e);return t.object.fov=this.fov,t.object.zoom=this.zoom,t.object.near=this.near,t.object.far=this.far,t.object.focus=this.focus,t.object.aspect=this.aspect,this.view!==null&&(t.object.view=Object.assign({},this.view)),t.object.filmGauge=this.filmGauge,t.object.filmOffset=this.filmOffset,t}},Os=-90,Ns=1,Xl=class extends Xe{constructor(e,t,i){super();this.type="CubeCamera",this.renderTarget=i,this.coordinateSystem=null,this.activeMipmapLevel=0;let n=new Tt(Os,Ns,e,t);n.layers=this.layers,this.add(n);let s=new Tt(Os,Ns,e,t);s.layers=this.layers,this.add(s);let a=new Tt(Os,Ns,e,t);a.layers=this.layers,this.add(a);let o=new Tt(Os,Ns,e,t);o.layers=this.layers,this.add(o);let l=new Tt(Os,Ns,e,t);l.layers=this.layers,this.add(l);let c=new Tt(Os,Ns,e,t);c.layers=this.layers,this.add(c)}updateCoordinateSystem(){let e=this.coordinateSystem,t=this.children.concat(),[i,n,s,a,o,l]=t;for(let c of t)this.remove(c);if(e===Bi)i.up.set(0,1,0),i.lookAt(1,0,0),n.up.set(0,1,0),n.lookAt(-1,0,0),s.up.set(0,0,-1),s.lookAt(0,1,0),a.up.set(0,0,1),a.lookAt(0,-1,0),o.up.set(0,1,0),o.lookAt(0,0,1),l.up.set(0,1,0),l.lookAt(0,0,-1);else if(e===_s)i.up.set(0,-1,0),i.lookAt(-1,0,0),n.up.set(0,-1,0),n.lookAt(1,0,0),s.up.set(0,0,1),s.lookAt(0,1,0),a.up.set(0,0,-1),a.lookAt(0,-1,0),o.up.set(0,-1,0),o.lookAt(0,0,1),l.up.set(0,-1,0),l.lookAt(0,0,-1);else throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+e);for(let c of t)this.add(c),c.updateMatrixWorld()}update(e,t){this.parent===null&&this.updateMatrixWorld();let{renderTarget:i,activeMipmapLevel:n}=this;this.coordinateSystem!==e.coordinateSystem&&(this.coordinateSystem=e.coordinateSystem,this.updateCoordinateSystem());let[s,a,o,l,c,h]=this.children,u=e.getRenderTarget(),d=e.getActiveCubeFace(),f=e.getActiveMipmapLevel(),m=e.xr.enabled;e.xr.enabled=!1;let v=i.texture.generateMipmaps;i.texture.generateMipmaps=!1,e.setRenderTarget(i,0,n),e.render(t,s),e.setRenderTarget(i,1,n),e.render(t,a),e.setRenderTarget(i,2,n),e.render(t,o),e.setRenderTarget(i,3,n),e.render(t,l),e.setRenderTarget(i,4,n),e.render(t,c),i.texture.generateMipmaps=v,e.setRenderTarget(i,5,n),e.render(t,h),e.setRenderTarget(u,d,f),e.xr.enabled=m,i.texture.needsPMREMUpdate=!0}},Ar=class extends pt{constructor(e,t,i,n,s,a,o,l,c,h){e=e!==void 0?e:[],t=t!==void 0?t:on;super(e,t,i,n,s,a,o,l,c,h);this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(e){this.image=e}},Yl=class extends mt{constructor(e=1,t={}){super(e,e,t);this.isWebGLCubeRenderTarget=!0;let i={width:e,height:e,depth:1},n=[i,i,i,i,i,i];this.texture=new Ar(n,t.mapping,t.wrapS,t.wrapT,t.magFilter,t.minFilter,t.format,t.type,t.anisotropy,t.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=t.generateMipmaps!==void 0?t.generateMipmaps:!1,this.texture.minFilter=t.minFilter!==void 0?t.minFilter:xt}fromEquirectangularTexture(e,t){this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;let i={uniforms:{tEquirect:{value:null}},vertexShader:` varying vec3 vWorldDirection; @@ -37,106 +37,115 @@ var pm=Object.create;var gs=Object.defineProperty;var mm=Object.getOwnPropertyDe gl_FragColor = texture2D( tEquirect, sampleUV ); } - `},i=new Gn(5,5,5),s=new Ye({name:"CubemapFromEquirect",uniforms:Sr(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:Qe,blending:xt});s.uniforms.tEquirect.value=t;let a=new ze(i,s),o=t.minFilter;return t.minFilter===Pi&&(t.minFilter=et),new Bs(1,10,this).update(e,a),t.minFilter=o,a.geometry.dispose(),a.material.dispose(),this}clear(e,t,n,i){let s=e.getRenderTarget();for(let a=0;a<6;a++)e.setRenderTarget(this,a),e.clear(t,n,i);e.setRenderTarget(s)}};Us.prototype.isWebGLCubeRenderTarget=!0;var ic=new A,Tg=new A,Cg=new Et,hn=class{constructor(e=new A(1,0,0),t=0){this.normal=e,this.constant=t}set(e,t){return this.normal.copy(e),this.constant=t,this}setComponents(e,t,n,i){return this.normal.set(e,t,n),this.constant=i,this}setFromNormalAndCoplanarPoint(e,t){return this.normal.copy(e),this.constant=-t.dot(this.normal),this}setFromCoplanarPoints(e,t,n){let i=ic.subVectors(n,t).cross(Tg.subVectors(e,t)).normalize();return this.setFromNormalAndCoplanarPoint(i,e),this}copy(e){return this.normal.copy(e.normal),this.constant=e.constant,this}normalize(){let e=1/this.normal.length();return this.normal.multiplyScalar(e),this.constant*=e,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(e){return this.normal.dot(e)+this.constant}distanceToSphere(e){return this.distanceToPoint(e.center)-e.radius}projectPoint(e,t){return t.copy(this.normal).multiplyScalar(-this.distanceToPoint(e)).add(e)}intersectLine(e,t){let n=e.delta(ic),i=this.normal.dot(n);if(i===0)return this.distanceToPoint(e.start)===0?t.copy(e.start):null;let s=-(e.start.dot(this.normal)+this.constant)/i;return s<0||s>1?null:t.copy(n).multiplyScalar(s).add(e.start)}intersectsLine(e){let t=this.distanceToPoint(e.start),n=this.distanceToPoint(e.end);return t<0&&n>0||n<0&&t>0}intersectsBox(e){return e.intersectsPlane(this)}intersectsSphere(e){return e.intersectsPlane(this)}coplanarPoint(e){return e.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(e,t){let n=t||Cg.getNormalMatrix(e),i=this.coplanarPoint(ic).applyMatrix4(e),s=this.normal.applyMatrix3(n).normalize();return this.constant=-i.dot(s),this}translate(e){return this.constant-=e.dot(this.normal),this}equals(e){return e.normal.equals(this.normal)&&e.constant===this.constant}clone(){return new this.constructor().copy(this)}};hn.prototype.isPlane=!0;var Cr=new Un,Ya=new A,Dr=class{constructor(e=new hn,t=new hn,n=new hn,i=new hn,s=new hn,a=new hn){this.planes=[e,t,n,i,s,a]}set(e,t,n,i,s,a){let o=this.planes;return o[0].copy(e),o[1].copy(t),o[2].copy(n),o[3].copy(i),o[4].copy(s),o[5].copy(a),this}copy(e){let t=this.planes;for(let n=0;n<6;n++)t[n].copy(e.planes[n]);return this}setFromProjectionMatrix(e){let t=this.planes,n=e.elements,i=n[0],s=n[1],a=n[2],o=n[3],l=n[4],c=n[5],u=n[6],h=n[7],d=n[8],f=n[9],p=n[10],v=n[11],x=n[12],g=n[13],m=n[14],b=n[15];return t[0].setComponents(o-i,h-l,v-d,b-x).normalize(),t[1].setComponents(o+i,h+l,v+d,b+x).normalize(),t[2].setComponents(o+s,h+c,v+f,b+g).normalize(),t[3].setComponents(o-s,h-c,v-f,b-g).normalize(),t[4].setComponents(o-a,h-u,v-p,b-m).normalize(),t[5].setComponents(o+a,h+u,v+p,b+m).normalize(),this}intersectsObject(e){let t=e.geometry;return t.boundingSphere===null&&t.computeBoundingSphere(),Cr.copy(t.boundingSphere).applyMatrix4(e.matrixWorld),this.intersectsSphere(Cr)}intersectsSprite(e){return Cr.center.set(0,0,0),Cr.radius=.7071067811865476,Cr.applyMatrix4(e.matrixWorld),this.intersectsSphere(Cr)}intersectsSphere(e){let t=this.planes,n=e.center,i=-e.radius;for(let s=0;s<6;s++)if(t[s].distanceToPoint(n)0?e.max.x:e.min.x,Ya.y=i.normal.y>0?e.max.y:e.min.y,Ya.z=i.normal.z>0?e.max.z:e.min.z,i.distanceToPoint(Ya)<0)return!1}return!0}containsPoint(e){let t=this.planes;for(let n=0;n<6;n++)if(t[n].distanceToPoint(e)<0)return!1;return!0}clone(){return new this.constructor().copy(this)}};function Sd(){let r=null,e=!1,t=null,n=null;function i(s,a){t(s,a),n=r.requestAnimationFrame(i)}return{start:function(){e!==!0&&t!==null&&(n=r.requestAnimationFrame(i),e=!0)},stop:function(){r.cancelAnimationFrame(n),e=!1},setAnimationLoop:function(s){t=s},setContext:function(s){r=s}}}function Dg(r,e){let t=e.isWebGL2,n=new WeakMap;function i(c,u){let h=c.array,d=c.usage,f=r.createBuffer();r.bindBuffer(u,f),r.bufferData(u,h,d),c.onUploadCallback();let p=5126;return h instanceof Float32Array?p=5126:h instanceof Float64Array?console.warn("THREE.WebGLAttributes: Unsupported data buffer format: Float64Array."):h instanceof Uint16Array?c.isFloat16BufferAttribute?t?p=5131:console.warn("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2."):p=5123:h instanceof Int16Array?p=5122:h instanceof Uint32Array?p=5125:h instanceof Int32Array?p=5124:h instanceof Int8Array?p=5120:(h instanceof Uint8Array||h instanceof Uint8ClampedArray)&&(p=5121),{buffer:f,type:p,bytesPerElement:h.BYTES_PER_ELEMENT,version:c.version}}function s(c,u,h){let d=u.array,f=u.updateRange;r.bindBuffer(h,c),f.count===-1?r.bufferSubData(h,0,d):(t?r.bufferSubData(h,f.offset*d.BYTES_PER_ELEMENT,d,f.offset,f.count):r.bufferSubData(h,f.offset*d.BYTES_PER_ELEMENT,d.subarray(f.offset,f.offset+f.count)),f.count=-1)}function a(c){return c.isInterleavedBufferAttribute&&(c=c.data),n.get(c)}function o(c){c.isInterleavedBufferAttribute&&(c=c.data);let u=n.get(c);u&&(r.deleteBuffer(u.buffer),n.delete(c))}function l(c,u){if(c.isGLBufferAttribute){let d=n.get(c);(!d||d.versionf+m?(c.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:e.handedness,target:this})):!c.inputState.pinching&&d<=f-m&&(c.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:e.handedness,target:this}))}else l!==null&&e.gripSpace&&(s=t.getPose(e.gripSpace,i),s!==null&&(l.matrix.fromArray(s.transform.matrix),l.matrix.decompose(l.position,l.rotation,l.scale),l.matrixWorldNeedsUpdate=!0,s.linearVelocity?(l.hasLinearVelocity=!0,l.linearVelocity.copy(s.linearVelocity)):l.hasLinearVelocity=!1,s.angularVelocity?(l.hasAngularVelocity=!0,l.angularVelocity.copy(s.angularVelocity)):l.hasAngularVelocity=!1));o!==null&&(n=t.getPose(e.targetRaySpace,i),n===null&&s!==null&&(n=s),n!==null&&(o.matrix.fromArray(n.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),o.matrixWorldNeedsUpdate=!0,n.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(n.linearVelocity)):o.hasLinearVelocity=!1,n.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(n.angularVelocity)):o.hasAngularVelocity=!1,this.dispatchEvent(y0)))}return o!==null&&(o.visible=n!==null),l!==null&&(l.visible=s!==null),c!==null&&(c.visible=a!==null),this}_getHandJoint(e,t){if(e.joints[t.jointName]===void 0){let i=new un;i.matrixAutoUpdate=!1,i.visible=!1,e.joints[t.jointName]=i,e.add(i)}return e.joints[t.jointName]}},Hs=class{constructor(e,t=25e-5){this.isFogExp2=!0,this.name="",this.color=new re(e),this.density=t}clone(){return new Hs(this.color,this.density)}toJSON(){return{type:"FogExp2",name:this.name,color:this.color.getHex(),density:this.density}}},zs=class{constructor(e,t=1,i=1e3){this.isFog=!0,this.name="",this.color=new re(e),this.near=t,this.far=i}clone(){return new zs(this.color,this.near,this.far)}toJSON(){return{type:"Fog",name:this.name,color:this.color.getHex(),near:this.near,far:this.far}}},Pn=class extends Xe{constructor(){super();this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,this.backgroundRotation=new oi,this.environmentIntensity=1,this.environmentRotation=new oi,this.overrideMaterial=null,typeof __THREE_DEVTOOLS__!="undefined"&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(e,t){return super.copy(e,t),e.background!==null&&(this.background=e.background.clone()),e.environment!==null&&(this.environment=e.environment.clone()),e.fog!==null&&(this.fog=e.fog.clone()),this.backgroundBlurriness=e.backgroundBlurriness,this.backgroundIntensity=e.backgroundIntensity,this.backgroundRotation.copy(e.backgroundRotation),this.environmentIntensity=e.environmentIntensity,this.environmentRotation.copy(e.environmentRotation),e.overrideMaterial!==null&&(this.overrideMaterial=e.overrideMaterial.clone()),this.matrixAutoUpdate=e.matrixAutoUpdate,this}toJSON(e){let t=super.toJSON(e);return this.fog!==null&&(t.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(t.object.backgroundBlurriness=this.backgroundBlurriness),this.backgroundIntensity!==1&&(t.object.backgroundIntensity=this.backgroundIntensity),t.object.backgroundRotation=this.backgroundRotation.toArray(),this.environmentIntensity!==1&&(t.object.environmentIntensity=this.environmentIntensity),t.object.environmentRotation=this.environmentRotation.toArray(),t}},ks=class{constructor(e,t){this.isInterleavedBuffer=!0,this.array=e,this.stride=t,this.count=e!==void 0?e.length/t:0,this.usage=xs,this.updateRanges=[],this.version=0,this.uuid=Ai()}onUploadCallback(){}set needsUpdate(e){e===!0&&this.version++}setUsage(e){return this.usage=e,this}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}copy(e){return this.array=new e.array.constructor(e.array),this.count=e.count,this.stride=e.stride,this.usage=e.usage,this}copyAt(e,t,i){e*=this.stride,i*=t.stride;for(let n=0,s=this.stride;ne.far||t.push({distance:l,point:bo.clone(),uv:ei.getInterpolation(bo,jl,wo,ql,Kp,Wu,Jp,new z),face:null,object:this})}copy(e,t){return super.copy(e,t),e.center!==void 0&&this.center.copy(e.center),this.material=e.material,this}};function Zl(r,e,t,i,n,s){Xs.subVectors(r,t).addScalar(.5).multiply(i),n!==void 0?(To.x=s*Xs.x-n*Xs.y,To.y=n*Xs.x+s*Xs.y):To.copy(Xs),r.copy(e),r.x+=To.x,r.y+=To.y,r.applyMatrix4(Qp)}var Ql=new b,$p=new b,Sr=class extends Xe{constructor(){super();this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]},isLOD:{value:!0}}),this.autoUpdate=!0}copy(e){super.copy(e,!1);let t=e.levels;for(let i=0,n=t.length;i0){let i,n;for(i=1,n=t.length;i0){Ql.setFromMatrixPosition(this.matrixWorld);let n=e.ray.origin.distanceTo(Ql);this.getObjectForDistance(n).raycast(e,t)}}update(e){let t=this.levels;if(t.length>1){Ql.setFromMatrixPosition(e.matrixWorld),$p.setFromMatrixPosition(this.matrixWorld);let i=Ql.distanceTo($p)/e.zoom;t[0].object.visible=!0;let n,s;for(n=1,s=t.length;n=a)t[n-1].object.visible=!1,t[n].object.visible=!0;else break}for(this._currentLevel=n-1;n1?null:t.copy(e.start).addScaledVector(i,s)}intersectsLine(e){let t=this.distanceToPoint(e.start),i=this.distanceToPoint(e.end);return t<0&&i>0||i<0&&t>0}intersectsBox(e){return e.intersectsPlane(this)}intersectsSphere(e){return e.intersectsPlane(this)}coplanarPoint(e){return e.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(e,t){let i=t||b0.getNormalMatrix(e),n=this.coplanarPoint(ju).applyMatrix4(e),s=this.normal.applyMatrix3(i).normalize();return this.constant=-n.dot(s),this}translate(e){return this.constant-=e.dot(this.normal),this}equals(e){return e.normal.equals(this.normal)&&e.constant===this.constant}clone(){return new this.constructor().copy(this)}},Er=new Bt,tc=new b,Mr=class{constructor(e=new Fi,t=new Fi,i=new Fi,n=new Fi,s=new Fi,a=new Fi){this.planes=[e,t,i,n,s,a]}set(e,t,i,n,s,a){let o=this.planes;return o[0].copy(e),o[1].copy(t),o[2].copy(i),o[3].copy(n),o[4].copy(s),o[5].copy(a),this}copy(e){let t=this.planes;for(let i=0;i<6;i++)t[i].copy(e.planes[i]);return this}setFromProjectionMatrix(e,t=Bi){let i=this.planes,n=e.elements,s=n[0],a=n[1],o=n[2],l=n[3],c=n[4],h=n[5],u=n[6],d=n[7],f=n[8],m=n[9],v=n[10],g=n[11],p=n[12],y=n[13],x=n[14],_=n[15];if(i[0].setComponents(l-s,d-c,g-f,_-p).normalize(),i[1].setComponents(l+s,d+c,g+f,_+p).normalize(),i[2].setComponents(l+a,d+h,g+m,_+y).normalize(),i[3].setComponents(l-a,d-h,g-m,_-y).normalize(),i[4].setComponents(l-o,d-u,g-v,_-x).normalize(),t===Bi)i[5].setComponents(l+o,d+u,g+v,_+x).normalize();else if(t===_s)i[5].setComponents(o,u,v,x).normalize();else throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+t);return this}intersectsObject(e){if(e.boundingSphere!==void 0)e.boundingSphere===null&&e.computeBoundingSphere(),Er.copy(e.boundingSphere).applyMatrix4(e.matrixWorld);else{let t=e.geometry;t.boundingSphere===null&&t.computeBoundingSphere(),Er.copy(t.boundingSphere).applyMatrix4(e.matrixWorld)}return this.intersectsSphere(Er)}intersectsSprite(e){return Er.center.set(0,0,0),Er.radius=.7071067811865476,Er.applyMatrix4(e.matrixWorld),this.intersectsSphere(Er)}intersectsSphere(e){let t=this.planes,i=e.center,n=-e.radius;for(let s=0;s<6;s++)if(t[s].distanceToPoint(i)0?e.max.x:e.min.x,tc.y=n.normal.y>0?e.max.y:e.min.y,tc.z=n.normal.z>0?e.max.z:e.min.z,n.distanceToPoint(tc)<0)return!1}return!0}containsPoint(e){let t=this.planes;for(let i=0;i<6;i++)if(t[i].distanceToPoint(e)<0)return!1;return!0}clone(){return new this.constructor().copy(this)}};function qu(r,e){return r-e}function T0(r,e){return r.z-e.z}function w0(r,e){return e.z-r.z}var lm=class{constructor(){this.index=0,this.pool=[],this.list=[]}push(e,t,i,n){let s=this.pool,a=this.list;this.index>=s.length&&s.push({start:-1,count:-1,z:-1,index:-1});let o=s[this.index];a.push(o),this.index++,o.start=e,o.count=t,o.z=i,o.index=n}reset(){this.list.length=0,this.index=0}},pi=new Le,C0=new re(1,1,1),Zu=new Mr,ic=new Ht,br=new Bt,Po=new b,cm=new b,R0=new b,Qu=new lm,ni=new tt,nc=[];function D0(r,e,t=0){let i=e.itemSize;if(r.isInterleavedBufferAttribute||r.array.constructor!==e.array.constructor){let n=r.count;for(let s=0;s65535?new Uint32Array(n):new Uint16Array(n);t.setIndex(new Ce(s,1))}this._geometryInitialized=!0}}_validateGeometry(e){let t=this.geometry;if(Boolean(e.getIndex())!==Boolean(t.getIndex()))throw new Error('THREE.BatchedMesh: All geometries must consistently have "index".');for(let i in t.attributes){if(!e.hasAttribute(i))throw new Error(`THREE.BatchedMesh: Added geometry missing "${i}". All geometries must have consistent attributes.`);let n=e.getAttribute(i),s=t.getAttribute(i);if(n.itemSize!==s.itemSize||n.normalized!==s.normalized)throw new Error("THREE.BatchedMesh: All attributes must have a consistent itemSize and normalized value.")}}validateInstanceId(e){let t=this._instanceInfo;if(e<0||e>=t.length||t[e].active===!1)throw new Error(`THREE.BatchedMesh: Invalid instanceId ${e}. Instance is either out of range or has been deleted.`)}validateGeometryId(e){let t=this._geometryInfo;if(e<0||e>=t.length||t[e].active===!1)throw new Error(`THREE.BatchedMesh: Invalid geometryId ${e}. Geometry is either out of range or has been deleted.`)}setCustomSort(e){return this.customSort=e,this}computeBoundingBox(){this.boundingBox===null&&(this.boundingBox=new Ht);let e=this.boundingBox,t=this._instanceInfo;e.makeEmpty();for(let i=0,n=t.length;i=this.maxInstanceCount&&this._availableInstanceIds.length===0)throw new Error("THREE.BatchedMesh: Maximum item count reached.");let i={visible:!0,active:!0,geometryIndex:e},n=null;this._availableInstanceIds.length>0?(this._availableInstanceIds.sort(qu),n=this._availableInstanceIds.shift(),this._instanceInfo[n]=i):(n=this._instanceInfo.length,this._instanceInfo.push(i));let s=this._matricesTexture;pi.identity().toArray(s.image.data,n*16),s.needsUpdate=!0;let a=this._colorsTexture;return a&&(C0.toArray(a.image.data,n*4),a.needsUpdate=!0),this._visibilityChanged=!0,n}addGeometry(e,t=-1,i=-1){this._initializeGeometry(e),this._validateGeometry(e);let n={vertexStart:-1,vertexCount:-1,reservedVertexCount:-1,indexStart:-1,indexCount:-1,reservedIndexCount:-1,start:-1,count:-1,boundingBox:null,boundingSphere:null,active:!0},s=this._geometryInfo;n.vertexStart=this._nextVertexStart,n.reservedVertexCount=t===-1?e.getAttribute("position").count:t;let a=e.getIndex();if(a!==null&&(n.indexStart=this._nextIndexStart,n.reservedIndexCount=i===-1?a.count:i),n.indexStart!==-1&&n.indexStart+n.reservedIndexCount>this._maxIndexCount||n.vertexStart+n.reservedVertexCount>this._maxVertexCount)throw new Error("THREE.BatchedMesh: Reserved space request exceeds the maximum buffer size.");let l;return this._availableGeometryIds.length>0?(this._availableGeometryIds.sort(qu),l=this._availableGeometryIds.shift(),s[l]=n):(l=this._geometryCount,this._geometryCount++,s.push(n)),this.setGeometryAt(l,e),this._nextIndexStart=n.indexStart+n.reservedIndexCount,this._nextVertexStart=n.vertexStart+n.reservedVertexCount,l}setGeometryAt(e,t){if(e>=this._geometryCount)throw new Error("THREE.BatchedMesh: Maximum geometry count reached.");this._validateGeometry(t);let i=this.geometry,n=i.getIndex()!==null,s=i.getIndex(),a=t.getIndex(),o=this._geometryInfo[e];if(n&&a.count>o.reservedIndexCount||t.attributes.position.count>o.reservedVertexCount)throw new Error("THREE.BatchedMesh: Reserved space not large enough for provided geometry.");let l=o.vertexStart,c=o.reservedVertexCount;o.vertexCount=t.getAttribute("position").count;for(let h in i.attributes){let u=t.getAttribute(h),d=i.getAttribute(h);D0(u,d,l);let f=u.itemSize;for(let m=u.count,v=c;m=t.length||t[e].active===!1)return this;let i=this._instanceInfo;for(let n=0,s=i.length;no).sort((a,o)=>i[a].vertexStart-i[o].vertexStart),s=this.geometry;for(let a=0,o=i.length;a=this._geometryCount)return null;let i=this.geometry,n=this._geometryInfo[e];if(n.boundingBox===null){let s=new Ht,a=i.index,o=i.attributes.position;for(let l=n.start,c=n.start+n.count;l=this._geometryCount)return null;let i=this.geometry,n=this._geometryInfo[e];if(n.boundingSphere===null){let s=new Bt;this.getBoundingBoxAt(e,ic),ic.getCenter(s.center);let a=i.index,o=i.attributes.position,l=0;for(let c=n.start,h=n.start+n.count;co.active);if(Math.max(...i.map(o=>o.vertexStart+o.reservedVertexCount))>e)throw new Error(`BatchedMesh: Geometry vertex values are being used outside the range ${t}. Cannot shrink further.`);if(this.geometry.index&&Math.max(...i.map(l=>l.indexStart+l.reservedIndexCount))>t)throw new Error(`BatchedMesh: Geometry index values are being used outside the range ${t}. Cannot shrink further.`);let s=this.geometry;s.dispose(),this._maxVertexCount=e,this._maxIndexCount=t,this._geometryInitialized&&(this._geometryInitialized=!1,this.geometry=new we,this._initializeGeometry(s));let a=this.geometry;s.index&&Tr(s.index.array,a.index.array);for(let o in s.attributes)Tr(s.attributes[o].array,a.attributes[o].array)}raycast(e,t){let i=this._instanceInfo,n=this._geometryInfo,s=this.matrixWorld,a=this.geometry;ni.material=this.material,ni.geometry.index=a.index,ni.geometry.attributes=a.attributes,ni.geometry.boundingBox===null&&(ni.geometry.boundingBox=new Ht),ni.geometry.boundingSphere===null&&(ni.geometry.boundingSphere=new Bt);for(let o=0,l=i.length;oVf(Mh({},t),{boundingBox:t.boundingBox!==null?t.boundingBox.clone():null,boundingSphere:t.boundingSphere!==null?t.boundingSphere.clone():null})),this._instanceInfo=e._instanceInfo.map(t=>Mh({},t)),this._maxInstanceCount=e._maxInstanceCount,this._maxVertexCount=e._maxVertexCount,this._maxIndexCount=e._maxIndexCount,this._geometryInitialized=e._geometryInitialized,this._geometryCount=e._geometryCount,this._multiDrawCounts=e._multiDrawCounts.slice(),this._multiDrawStarts=e._multiDrawStarts.slice(),this._matricesTexture=e._matricesTexture.clone(),this._matricesTexture.image.data=this._matricesTexture.image.data.slice(),this._colorsTexture!==null&&(this._colorsTexture=e._colorsTexture.clone(),this._colorsTexture.image.data=this._colorsTexture.image.data.slice()),this}dispose(){return this.geometry.dispose(),this._matricesTexture.dispose(),this._matricesTexture=null,this._indirectTexture.dispose(),this._indirectTexture=null,this._colorsTexture!==null&&(this._colorsTexture.dispose(),this._colorsTexture=null),this}onBeforeRender(e,t,i,n,s){if(!this._visibilityChanged&&!this.perObjectFrustumCulled&&!this.sortObjects)return;let a=n.getIndex(),o=a===null?1:a.array.BYTES_PER_ELEMENT,l=this._instanceInfo,c=this._multiDrawStarts,h=this._multiDrawCounts,u=this._geometryInfo,d=this.perObjectFrustumCulled,f=this._indirectTexture,m=f.image.data;d&&(pi.multiplyMatrices(i.projectionMatrix,i.matrixWorldInverse).multiply(this.matrixWorld),Zu.setFromProjectionMatrix(pi,e.coordinateSystem));let v=0;if(this.sortObjects){pi.copy(this.matrixWorld).invert(),Po.setFromMatrixPosition(i.matrixWorld).applyMatrix4(pi),cm.set(0,0,-1).transformDirection(i.matrixWorld).transformDirection(pi);for(let y=0,x=l.length;y0){let n=t[i[0]];if(n!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let s=0,a=n.length;si)return;Ku.applyMatrix4(r.matrixWorld);let c=e.ray.origin.distanceTo(Ku);if(!(ce.far))return{distance:c,point:um.clone().applyMatrix4(r.matrixWorld),index:a,face:null,faceIndex:null,barycoord:null,object:r}}var dm=new b,fm=new b,qt=class extends mi{constructor(e,t){super(e,t);this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){let e=this.geometry;if(e.index===null){let t=e.attributes.position,i=[];for(let n=0,s=t.count;n0){let n=t[i[0]];if(n!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let s=0,a=n.length;sn.far)return;s.push({distance:c,distanceToRay:Math.sqrt(o),point:l,index:e,face:null,faceIndex:null,barycoord:null,object:a})}}var dc=class extends pt{constructor(e,t,i,n,s,a,o,l,c){super(e,t,i,n,s,a,o,l,c);this.isVideoTexture=!0,this.minFilter=a!==void 0?a:xt,this.magFilter=s!==void 0?s:xt,this.generateMipmaps=!1;let h=this;function u(){h.needsUpdate=!0,e.requestVideoFrameCallback(u)}"requestVideoFrameCallback"in e&&e.requestVideoFrameCallback(u)}clone(){return new this.constructor(this.image).copy(this)}update(){let e=this.image;"requestVideoFrameCallback"in e===!1&&e.readyState>=e.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}},$u=class extends dc{constructor(e,t,i,n,s,a,o,l){super({},e,t,i,n,s,a,o,l);this.isVideoFrameTexture=!0}update(){}clone(){return new this.constructor().copy(this)}setFrame(e){this.image=e,this.needsUpdate=!0}},ed=class extends pt{constructor(e,t){super({width:e,height:t});this.isFramebufferTexture=!0,this.magFilter=Vt,this.minFilter=Vt,this.generateMipmaps=!1,this.needsUpdate=!0}},qs=class extends pt{constructor(e,t,i,n,s,a,o,l,c,h,u,d){super(null,a,o,l,c,h,n,s,u,d);this.isCompressedTexture=!0,this.image={width:t,height:i},this.mipmaps=e,this.flipY=!1,this.generateMipmaps=!1}},td=class extends qs{constructor(e,t,i,n,s,a){super(e,t,i,s,a);this.isCompressedArrayTexture=!0,this.image.depth=n,this.wrapR=yi,this.layerUpdates=new Set}addLayerUpdate(e){this.layerUpdates.add(e)}clearLayerUpdates(){this.layerUpdates.clear()}},id=class extends qs{constructor(e,t,i){super(void 0,e[0].width,e[0].height,t,i,on);this.isCompressedCubeTexture=!0,this.isCubeTexture=!0,this.image=e}},nd=class extends pt{constructor(e,t,i,n,s,a,o,l,c){super(e,t,i,n,s,a,o,l,c);this.isCanvasTexture=!0,this.needsUpdate=!0}},wr=class extends pt{constructor(e,t,i,n,s,a,o,l,c,h=kn){if(h!==kn&&h!==cn)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");i===void 0&&h===kn&&(i=Ii),i===void 0&&h===cn&&(i=ln);super(null,n,s,a,o,l,h,i,c);this.isDepthTexture=!0,this.image={width:e,height:t},this.magFilter=o!==void 0?o:Vt,this.minFilter=l!==void 0?l:Vt,this.flipY=!1,this.generateMipmaps=!1,this.compareFunction=null}copy(e){return super.copy(e),this.compareFunction=e.compareFunction,this}toJSON(e){let t=super.toJSON(e);return this.compareFunction!==null&&(t.compareFunction=this.compareFunction),t}},Mi=class{constructor(){this.type="Curve",this.arcLengthDivisions=200}getPoint(){return console.warn("THREE.Curve: .getPoint() not implemented."),null}getPointAt(e,t){let i=this.getUtoTmapping(e);return this.getPoint(i,t)}getPoints(e=5){let t=[];for(let i=0;i<=e;i++)t.push(this.getPoint(i/e));return t}getSpacedPoints(e=5){let t=[];for(let i=0;i<=e;i++)t.push(this.getPointAt(i/e));return t}getLength(){let e=this.getLengths();return e[e.length-1]}getLengths(e=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;let t=[],i,n=this.getPoint(0),s=0;t.push(0);for(let a=1;a<=e;a++)i=this.getPoint(a/e),s+=i.distanceTo(n),t.push(s),n=i;return 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s=e,a=t-i;s2&&r[e-1].equals(r[0])&&r.pop()}function Sm(r,e){for(let t=0;tNumber.EPSILON){let Y=Math.sqrt(S),K=Math.sqrt(fe*fe+w*w),j=J.x-Ne/Y,Te=J.y+se/Y,he=C.x-w/K,xe=C.y+fe/K,Je=((he-j)*w-(xe-Te)*fe)/(se*w-Ne*fe);Re=j+se*Je-$.x,ee=Te+Ne*Je-$.y;let ie=Re*Re+ee*ee;if(ie<=2)return new z(Re,ee);_e=Math.sqrt(ie/2)}else{let Y=!1;se>Number.EPSILON?fe>Number.EPSILON&&(Y=!0):se<-Number.EPSILON?fe<-Number.EPSILON&&(Y=!0):Math.sign(Ne)===Math.sign(w)&&(Y=!0),Y?(Re=-Ne,ee=se,_e=Math.sqrt(S)):(Re=se,ee=Ne,_e=Math.sqrt(S/2))}return new z(Re/_e,ee/_e)}let ce=[];for(let $=0,J=G.length,C=J-1,Re=$+1;$=0;$--){let J=$/g,C=f*Math.cos(J*Math.PI/2),Re=m*Math.sin(J*Math.PI/2)+v;for(let ee=0,_e=G.length;ee<_e;ee++){let se=Z(G[ee],ce[ee],Re);oe(se.x,se.y,u+C)}for(let ee=0,_e=I.length;ee<_e;ee++){let se=I[ee];Me=ve[ee];for(let Ne=0,fe=se.length;Ne=0;){let Re=C,ee=C-1;ee<0&&(ee=$.length-1);for(let _e=0,se=h+g*2;_e0)&&f.push(x,_,T),(p!==i-1||l0!=e>0&&this.version++,this._anisotropy=e}get clearcoat(){return this._clearcoat}set clearcoat(e){this._clearcoat>0!=e>0&&this.version++,this._clearcoat=e}get iridescence(){return this._iridescence}set iridescence(e){this._iridescence>0!=e>0&&this.version++,this._iridescence=e}get dispersion(){return this._dispersion}set dispersion(e){this._dispersion>0!=e>0&&this.version++,this._dispersion=e}get sheen(){return this._sheen}set sheen(e){this._sheen>0!=e>0&&this.version++,this._sheen=e}get transmission(){return this._transmission}set transmission(e){this._transmission>0!=e>0&&this.version++,this._transmission=e}copy(e){return super.copy(e),this.defines={STANDARD:"",PHYSICAL:""},this.anisotropy=e.anisotropy,this.anisotropyRotation=e.anisotropyRotation,this.anisotropyMap=e.anisotropyMap,this.clearcoat=e.clearcoat,this.clearcoatMap=e.clearcoatMap,this.clearcoatRoughness=e.clearcoatRoughness,this.clearcoatRoughnessMap=e.clearcoatRoughnessMap,this.clearcoatNormalMap=e.clearcoatNormalMap,this.clearcoatNormalScale.copy(e.clearcoatNormalScale),this.dispersion=e.dispersion,this.ior=e.ior,this.iridescence=e.iridescence,this.iridescenceMap=e.iridescenceMap,this.iridescenceIOR=e.iridescenceIOR,this.iridescenceThicknessRange=[...e.iridescenceThicknessRange],this.iridescenceThicknessMap=e.iridescenceThicknessMap,this.sheen=e.sheen,this.sheenColor.copy(e.sheenColor),this.sheenColorMap=e.sheenColorMap,this.sheenRoughness=e.sheenRoughness,this.sheenRoughnessMap=e.sheenRoughnessMap,this.transmission=e.transmission,this.transmissionMap=e.transmissionMap,this.thickness=e.thickness,this.thicknessMap=e.thicknessMap,this.attenuationDistance=e.attenuationDistance,this.attenuationColor.copy(e.attenuationColor),this.specularIntensity=e.specularIntensity,this.specularIntensityMap=e.specularIntensityMap,this.specularColor.copy(e.specularColor),this.specularColorMap=e.specularColorMap,this}},la=class extends St{constructor(e){super();this.isMeshPhongMaterial=!0,this.type="MeshPhongMaterial",this.color=new re(16777215),this.specular=new re(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new re(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=An,this.normalScale=new z(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new oi,this.combine=ns,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.specular.copy(e.specular),this.shininess=e.shininess,this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.envMapRotation.copy(e.envMapRotation),this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.flatShading=e.flatShading,this.fog=e.fog,this}},Pc=class extends St{constructor(e){super();this.isMeshToonMaterial=!0,this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new re(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new re(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=An,this.normalScale=new z(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.gradientMap=e.gradientMap,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.fog=e.fog,this}},Ic=class extends St{constructor(e){super();this.isMeshNormalMaterial=!0,this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=An,this.normalScale=new z(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.flatShading=e.flatShading,this}},Uc=class extends St{constructor(e){super();this.isMeshLambertMaterial=!0,this.type="MeshLambertMaterial",this.color=new re(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new re(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=An,this.normalScale=new z(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new oi,this.combine=ns,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.envMapRotation.copy(e.envMapRotation),this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.flatShading=e.flatShading,this.fog=e.fog,this}},Vo=class extends St{constructor(e){super();this.isMeshDepthMaterial=!0,this.type="MeshDepthMaterial",this.depthPacking=Ui,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.setValues(e)}copy(e){return super.copy(e),this.depthPacking=e.depthPacking,this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this}},Wo=class extends St{constructor(e){super();this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(e)}copy(e){return super.copy(e),this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this}},Lc=class extends St{constructor(e){super();this.isMeshMatcapMaterial=!0,this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new re(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=An,this.normalScale=new z(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.flatShading=!1,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.defines={MATCAP:""},this.color.copy(e.color),this.matcap=e.matcap,this.map=e.map,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.flatShading=e.flatShading,this.fog=e.fog,this}},Bc=class extends _t{constructor(e){super();this.isLineDashedMaterial=!0,this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(e)}copy(e){return super.copy(e),this.scale=e.scale,this.dashSize=e.dashSize,this.gapSize=e.gapSize,this}};function Ur(r,e,t){return!r||!t&&r.constructor===e?r:typeof e.BYTES_PER_ELEMENT=="number"?new e(r):Array.prototype.slice.call(r)}function bm(r){return ArrayBuffer.isView(r)&&!(r instanceof DataView)}function Tm(r){function e(n,s){return r[n]-r[s]}let t=r.length,i=new 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bi{};Br.prototype.ValueTypeName="number";var Fc=class extends Lr{constructor(e,t,i,n){super(e,t,i,n)}interpolate_(e,t,i,n){let s=this.resultBuffer,a=this.sampleValues,o=this.valueSize,l=(i-t)/(n-t),c=e*o;for(let h=c+o;c!==h;c+=4)Ft.slerpFlat(s,0,a,c-o,a,c,l);return s}},Or=class extends bi{InterpolantFactoryMethodLinear(e){return new Fc(this.times,this.values,this.getValueSize(),e)}};Or.prototype.ValueTypeName="quaternion";Or.prototype.InterpolantFactoryMethodSmooth=void 0;var On=class extends bi{constructor(e,t,i){super(e,t,i)}};On.prototype.ValueTypeName="string";On.prototype.ValueBufferType=Array;On.prototype.DefaultInterpolation=ms;On.prototype.InterpolantFactoryMethodLinear=void 0;On.prototype.InterpolantFactoryMethodSmooth=void 0;var Nr=class extends bi{};Nr.prototype.ValueTypeName="vector";var Fr=class{constructor(e="",t=-1,i=[],n=po){this.name=e,this.tracks=i,this.duration=t,this.blendMode=n,this.uuid=Ai(),this.duration<0&&this.resetDuration()}static parse(e){let t=[],i=e.tracks,n=1/(e.fps||1);for(let a=0,o=i.length;a!==o;++a)t.push(ox(i[a]).scale(n));let s=new this(e.name,e.duration,t,e.blendMode);return s.uuid=e.uuid,s}static toJSON(e){let t=[],i=e.tracks,n={name:e.name,duration:e.duration,tracks:t,uuid:e.uuid,blendMode:e.blendMode};for(let s=0,a=i.length;s!==a;++s)t.push(bi.toJSON(i[s]));return n}static CreateFromMorphTargetSequence(e,t,i,n){let s=t.length,a=[];for(let o=0;o1){let u=h[1],d=n[u];d||(n[u]=d=[]),d.push(c)}}let a=[];for(let o in n)a.push(this.CreateFromMorphTargetSequence(o,n[o],t,i));return a}static parseAnimation(e,t){if(!e)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;let i=function(u,d,f,m,v){if(f.length!==0){let g=[],p=[];dd(f,g,p,m),g.length!==0&&v.push(new u(d,g,p))}},n=[],s=e.name||"default",a=e.fps||30,o=e.blendMode,l=e.length||-1,c=e.hierarchy||[];for(let u=0;u{t&&t(s),this.manager.itemEnd(e)},0),s;if(Nn[e]!==void 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c.arrayBuffer();case"blob":return c.blob();case"document":return c.text().then(h=>new DOMParser().parseFromString(h,o));case"json":return c.json();default:if(o===void 0)return c.text();{let u=/charset="?([^;"\s]*)"?/i.exec(o),d=u&&u[1]?u[1].toLowerCase():void 0,f=new TextDecoder(d);return c.arrayBuffer().then(m=>f.decode(m))}}}).then(c=>{pn.add(e,c);let h=Nn[e];delete Nn[e];for(let u=0,d=h.length;u{let h=Nn[e];if(h===void 0)throw this.manager.itemError(e),c;delete Nn[e];for(let u=0,d=h.length;u{this.manager.itemEnd(e)}),this.manager.itemStart(e)}setResponseType(e){return this.responseType=e,this}setMimeType(e){return this.mimeType=e,this}},pd=class extends Yt{constructor(e){super(e)}load(e,t,i,n){let s=this,a=new Ti(this.manager);a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(this.withCredentials),a.load(e,function(o){try{t(s.parse(JSON.parse(o)))}catch(l){n?n(l):console.error(l),s.manager.itemError(e)}},i,n)}parse(e){let t=[];for(let i=0;i0:n.vertexColors=e.vertexColors),e.uniforms!==void 0)for(let s in e.uniforms){let a=e.uniforms[s];switch(n.uniforms[s]={},a.type){case"t":n.uniforms[s].value=i(a.value);break;case"c":n.uniforms[s].value=new re().setHex(a.value);break;case"v2":n.uniforms[s].value=new z().fromArray(a.value);break;case"v3":n.uniforms[s].value=new b().fromArray(a.value);break;case"v4":n.uniforms[s].value=new Qe().fromArray(a.value);break;case"m3":n.uniforms[s].value=new ze().fromArray(a.value);break;case"m4":n.uniforms[s].value=new Le().fromArray(a.value);break;default:n.uniforms[s].value=a.value}}if(e.defines!==void 0&&(n.defines=e.defines),e.vertexShader!==void 0&&(n.vertexShader=e.vertexShader),e.fragmentShader!==void 0&&(n.fragmentShader=e.fragmentShader),e.glslVersion!==void 0&&(n.glslVersion=e.glslVersion),e.extensions!==void 0)for(let s in e.extensions)n.extensions[s]=e.extensions[s];if(e.lights!==void 0&&(n.lights=e.lights),e.clipping!==void 0&&(n.clipping=e.clipping),e.size!==void 0&&(n.size=e.size),e.sizeAttenuation!==void 0&&(n.sizeAttenuation=e.sizeAttenuation),e.map!==void 0&&(n.map=i(e.map)),e.matcap!==void 0&&(n.matcap=i(e.matcap)),e.alphaMap!==void 0&&(n.alphaMap=i(e.alphaMap)),e.bumpMap!==void 0&&(n.bumpMap=i(e.bumpMap)),e.bumpScale!==void 0&&(n.bumpScale=e.bumpScale),e.normalMap!==void 0&&(n.normalMap=i(e.normalMap)),e.normalMapType!==void 0&&(n.normalMapType=e.normalMapType),e.normalScale!==void 0){let s=e.normalScale;Array.isArray(s)===!1&&(s=[s,s]),n.normalScale=new z().fromArray(s)}return e.displacementMap!==void 0&&(n.displacementMap=i(e.displacementMap)),e.displacementScale!==void 0&&(n.displacementScale=e.displacementScale),e.displacementBias!==void 0&&(n.displacementBias=e.displacementBias),e.roughnessMap!==void 0&&(n.roughnessMap=i(e.roughnessMap)),e.metalnessMap!==void 0&&(n.metalnessMap=i(e.metalnessMap)),e.emissiveMap!==void 0&&(n.emissiveMap=i(e.emissiveMap)),e.emissiveIntensity!==void 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t={ShadowMaterial:Cc,SpriteMaterial:Un,RawShaderMaterial:Rc,ShaderMaterial:Ke,PointsMaterial:dn,MeshPhysicalMaterial:Dc,MeshStandardMaterial:Ir,MeshPhongMaterial:la,MeshToonMaterial:Pc,MeshNormalMaterial:Ic,MeshLambertMaterial:Uc,MeshDepthMaterial:Vo,MeshDistanceMaterial:Wo,MeshBasicMaterial:li,MeshMatcapMaterial:Lc,LineDashedMaterial:Bc,LineBasicMaterial:_t,Material:St};return new t[e]}},qo=class{static decodeText(e){if(console.warn("THREE.LoaderUtils: decodeText() has been deprecated with r165 and will be removed with r175. 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Tt,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new Tt,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(e){let t=this._cache;if(t.focus!==e.focus||t.fov!==e.fov||t.aspect!==e.aspect*this.aspect||t.near!==e.near||t.far!==e.far||t.zoom!==e.zoom||t.eyeSep!==this.eyeSep){t.focus=e.focus,t.fov=e.fov,t.aspect=e.aspect*this.aspect,t.near=e.near,t.far=e.far,t.zoom=e.zoom,t.eyeSep=this.eyeSep,kr.copy(e.projectionMatrix);let n=t.eyeSep/2,s=n*t.near/t.focus,a=t.near*Math.tan(fr*t.fov*.5)/t.zoom,o,l;Fm.elements[12]=-n,Nm.elements[12]=n,o=-a*t.aspect+s,l=a*t.aspect+s,kr.elements[0]=2*t.near/(l-o),kr.elements[8]=(l+o)/(l-o),this.cameraL.projectionMatrix.copy(kr),o=-a*t.aspect-s,l=a*t.aspect-s,kr.elements[0]=2*t.near/(l-o),kr.elements[8]=(l+o)/(l-o),this.cameraR.projectionMatrix.copy(kr)}this.cameraL.matrixWorld.copy(e.matrixWorld).multiply(Fm),this.cameraR.matrixWorld.copy(e.matrixWorld).multiply(Nm)}},Zc=class extends Tt{constructor(e=[]){super();this.isArrayCamera=!0,this.cameras=e,this.index=0}},Qc=class{constructor(e=!0){this.autoStart=e,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1}start(){this.startTime=Hm(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0}stop(){this.getElapsedTime(),this.running=!1,this.autoStart=!1}getElapsedTime(){return this.getDelta(),this.elapsedTime}getDelta(){let e=0;if(this.autoStart&&!this.running)return this.start(),0;if(this.running){let t=Hm();e=(t-this.oldTime)/1e3,this.oldTime=t,this.elapsedTime+=e}return e}};function Hm(){return performance.now()}var Gr=new b,zm=new Ft,cx=new b,Vr=new b,Md=class extends Xe{constructor(){super();this.type="AudioListener",this.context=Zo.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._clock=new Qc}getInput(){return this.gain}removeFilter(){return this.filter!==null&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(e){return this.filter!==null?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=e,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(e){return this.gain.gain.setTargetAtTime(e,this.context.currentTime,.01),this}updateMatrixWorld(e){super.updateMatrixWorld(e);let t=this.context.listener,i=this.up;if(this.timeDelta=this._clock.getDelta(),this.matrixWorld.decompose(Gr,zm,cx),Vr.set(0,0,-1).applyQuaternion(zm),t.positionX){let n=this.context.currentTime+this.timeDelta;t.positionX.linearRampToValueAtTime(Gr.x,n),t.positionY.linearRampToValueAtTime(Gr.y,n),t.positionZ.linearRampToValueAtTime(Gr.z,n),t.forwardX.linearRampToValueAtTime(Vr.x,n),t.forwardY.linearRampToValueAtTime(Vr.y,n),t.forwardZ.linearRampToValueAtTime(Vr.z,n),t.upX.linearRampToValueAtTime(i.x,n),t.upY.linearRampToValueAtTime(i.y,n),t.upZ.linearRampToValueAtTime(i.z,n)}else t.setPosition(Gr.x,Gr.y,Gr.z),t.setOrientation(Vr.x,Vr.y,Vr.z,i.x,i.y,i.z)}},Kc=class extends Xe{constructor(e){super();this.type="Audio",this.listener=e,this.context=e.context,this.gain=this.context.createGain(),this.gain.connect(e.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(e){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=e,this.connect(),this}setMediaElementSource(e){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(e),this.connect(),this}setMediaStreamSource(e){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(e),this.connect(),this}setBuffer(e){return this.buffer=e,this.sourceType="buffer",this.autoplay&&this.play(),this}play(e=0){if(this.isPlaying===!0){console.warn("THREE.Audio: Audio is already playing.");return}if(this.hasPlaybackControl===!1){console.warn("THREE.Audio: this Audio has no playback control.");return}this._startedAt=this.context.currentTime+e;let t=this.context.createBufferSource();return t.buffer=this.buffer,t.loop=this.loop,t.loopStart=this.loopStart,t.loopEnd=this.loopEnd,t.onended=this.onEnded.bind(this),t.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=t,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(this.hasPlaybackControl===!1){console.warn("THREE.Audio: this Audio has no playback control.");return}return this.isPlaying===!0&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,this.loop===!0&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this}stop(e=0){if(this.hasPlaybackControl===!1){console.warn("THREE.Audio: this Audio has no playback control.");return}return this._progress=0,this.source!==null&&(this.source.stop(this.context.currentTime+e),this.source.onended=null),this.isPlaying=!1,this}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let e=1,t=this.filters.length;e0){this.source.disconnect(this.filters[0]);for(let e=1,t=this.filters.length;e0&&this._mixBufferRegionAdditive(i,n,this._addIndex*t,1,t);for(let l=t,c=t+t;l!==c;++l)if(i[l]!==i[l+t]){o.setValue(i,n);break}}saveOriginalState(){let e=this.binding,t=this.buffer,i=this.valueSize,n=i*this._origIndex;e.getValue(t,n);for(let s=i,a=n;s!==a;++s)t[s]=t[n+s%i];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){let e=this.valueSize*3;this.binding.setValue(this.buffer,e)}_setAdditiveIdentityNumeric(){let e=this._addIndex*this.valueSize,t=e+this.valueSize;for(let i=e;i=.5)for(let a=0;a!==s;++a)e[t+a]=e[i+a]}_slerp(e,t,i,n){Ft.slerpFlat(e,t,e,t,e,i,n)}_slerpAdditive(e,t,i,n,s){let a=this._workIndex*s;Ft.multiplyQuaternionsFlat(e,a,e,t,e,i),Ft.slerpFlat(e,t,e,t,e,a,n)}_lerp(e,t,i,n,s){let a=1-n;for(let o=0;o!==s;++o){let l=t+o;e[l]=e[l]*a+e[i+o]*n}}_lerpAdditive(e,t,i,n,s){for(let a=0;a!==s;++a){let o=t+a;e[o]=e[o]+e[i+a]*n}}},wd="\\[\\]\\.:\\/",ux=new RegExp("["+wd+"]","g"),Cd="[^"+wd+"]",dx="[^"+wd.replace("\\.","")+"]",fx=/((?:WC+[\/:])*)/.source.replace("WC",Cd),px=/(WCOD+)?/.source.replace("WCOD",dx),mx=/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",Cd),gx=/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",Cd),vx=new RegExp("^"+fx+px+mx+gx+"$"),xx=["material","materials","bones","map"],Gm=class{constructor(e,t,i){let n=i||it.parseTrackName(t);this._targetGroup=e,this._bindings=e.subscribe_(t,n)}getValue(e,t){this.bind();let i=this._targetGroup.nCachedObjects_,n=this._bindings[i];n!==void 0&&n.getValue(e,t)}setValue(e,t){let i=this._bindings;for(let n=this._targetGroup.nCachedObjects_,s=i.length;n!==s;++n)i[n].setValue(e,t)}bind(){let e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,i=e.length;t!==i;++t)e[t].bind()}unbind(){let e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,i=e.length;t!==i;++t)e[t].unbind()}},it=class{constructor(e,t,i){this.path=t,this.parsedPath=i||it.parseTrackName(t),this.node=it.findNode(e,this.parsedPath.nodeName),this.rootNode=e,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(e,t,i){return e&&e.isAnimationObjectGroup?new it.Composite(e,t,i):new it(e,t,i)}static sanitizeNodeName(e){return e.replace(/\s/g,"_").replace(ux,"")}static parseTrackName(e){let t=vx.exec(e);if(t===null)throw new Error("PropertyBinding: Cannot parse trackName: "+e);let i={nodeName:t[2],objectName:t[3],objectIndex:t[4],propertyName:t[5],propertyIndex:t[6]},n=i.nodeName&&i.nodeName.lastIndexOf(".");if(n!==void 0&&n!==-1){let s=i.nodeName.substring(n+1);xx.indexOf(s)!==-1&&(i.nodeName=i.nodeName.substring(0,n),i.objectName=s)}if(i.propertyName===null||i.propertyName.length===0)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+e);return i}static findNode(e,t){if(t===void 0||t===""||t==="."||t===-1||t===e.name||t===e.uuid)return e;if(e.skeleton){let i=e.skeleton.getBoneByName(t);if(i!==void 0)return i}if(e.children){let i=function(s){for(let a=0;a=s){let u=s++,d=e[u];t[d.uuid]=h,e[h]=d,t[c]=u,e[u]=l;for(let f=0,m=n;f!==m;++f){let v=i[f],g=v[u],p=v[h];v[h]=g,v[u]=p}}}this.nCachedObjects_=s}uncache(){let e=this._objects,t=this._indicesByUUID,i=this._bindings,n=i.length,s=this.nCachedObjects_,a=e.length;for(let o=0,l=arguments.length;o!==l;++o){let c=arguments[o],h=c.uuid,u=t[h];if(u!==void 0)if(delete t[h],u0&&(t[f.uuid]=u),e[u]=f,e.pop();for(let m=0,v=n;m!==v;++m){let g=i[m];g[u]=g[d],g.pop()}}}this.nCachedObjects_=s}subscribe_(e,t){let i=this._bindingsIndicesByPath,n=i[e],s=this._bindings;if(n!==void 0)return s[n];let a=this._paths,o=this._parsedPaths,l=this._objects,c=l.length,h=this.nCachedObjects_,u=new Array(c);n=s.length,i[e]=n,a.push(e),o.push(t),s.push(u);for(let d=h,f=l.length;d!==f;++d){let m=l[d];u[d]=new it(m,e,t)}return u}unsubscribe_(e){let t=this._bindingsIndicesByPath,i=t[e];if(i!==void 0){let n=this._paths,s=this._parsedPaths,a=this._bindings,o=a.length-1,l=a[o],c=e[o];t[c]=i,a[i]=l,a.pop(),s[i]=s[o],s.pop(),n[i]=n[o],n.pop()}}},$c=class{constructor(e,t,i=null,n=t.blendMode){this._mixer=e,this._clip=t,this._localRoot=i,this.blendMode=n;let s=t.tracks,a=s.length,o=new Array(a),l={endingStart:Gn,endingEnd:Gn};for(let c=0;c!==a;++c){let h=s[c].createInterpolant(null);o[c]=h,h.settings=l}this._interpolantSettings=l,this._interpolants=o,this._propertyBindings=new Array(a),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=nu,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&this.timeScale!==0&&this._startTime===null&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(e){return this._startTime=e,this}setLoop(e,t){return this.loop=e,this.repetitions=t,this}setEffectiveWeight(e){return this.weight=e,this._effectiveWeight=this.enabled?e:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(e){return this._scheduleFading(e,0,1)}fadeOut(e){return this._scheduleFading(e,1,0)}crossFadeFrom(e,t,i){if(e.fadeOut(t),this.fadeIn(t),i){let n=this._clip.duration,s=e._clip.duration,a=s/n,o=n/s;e.warp(1,a,t),this.warp(o,1,t)}return this}crossFadeTo(e,t,i){return e.crossFadeFrom(this,t,i)}stopFading(){let e=this._weightInterpolant;return e!==null&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}setEffectiveTimeScale(e){return this.timeScale=e,this._effectiveTimeScale=this.paused?0:e,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(e){return this.timeScale=this._clip.duration/e,this.stopWarping()}syncWith(e){return this.time=e.time,this.timeScale=e.timeScale,this.stopWarping()}halt(e){return this.warp(this._effectiveTimeScale,0,e)}warp(e,t,i){let n=this._mixer,s=n.time,a=this.timeScale,o=this._timeScaleInterpolant;o===null&&(o=n._lendControlInterpolant(),this._timeScaleInterpolant=o);let l=o.parameterPositions,c=o.sampleValues;return l[0]=s,l[1]=s+i,c[0]=e/a,c[1]=t/a,this}stopWarping(){let e=this._timeScaleInterpolant;return e!==null&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(e,t,i,n){if(!this.enabled){this._updateWeight(e);return}let s=this._startTime;if(s!==null){let l=(e-s)*i;l<0||i===0?t=0:(this._startTime=null,t=i*l)}t*=this._updateTimeScale(e);let a=this._updateTime(t),o=this._updateWeight(e);if(o>0){let l=this._interpolants,c=this._propertyBindings;switch(this.blendMode){case Sl:for(let h=0,u=l.length;h!==u;++h)l[h].evaluate(a),c[h].accumulateAdditive(o);break;case po:default:for(let h=0,u=l.length;h!==u;++h)l[h].evaluate(a),c[h].accumulate(n,o)}}}_updateWeight(e){let t=0;if(this.enabled){t=this.weight;let i=this._weightInterpolant;if(i!==null){let n=i.evaluate(e)[0];t*=n,e>i.parameterPositions[1]&&(this.stopFading(),n===0&&(this.enabled=!1))}}return this._effectiveWeight=t,t}_updateTimeScale(e){let t=0;if(!this.paused){t=this.timeScale;let i=this._timeScaleInterpolant;i!==null&&(t*=i.evaluate(e)[0],e>i.parameterPositions[1]&&(this.stopWarping(),t===0?this.paused=!0:this.timeScale=t))}return this._effectiveTimeScale=t,t}_updateTime(e){let t=this._clip.duration,i=this.loop,n=this.time+e,s=this._loopCount,a=i===ru;if(e===0)return s===-1?n:a&&(s&1)==1?t-n:n;if(i===iu){s===-1&&(this._loopCount=0,this._setEndings(!0,!0,!1));e:{if(n>=t)n=t;else if(n<0)n=0;else{this.time=n;break e}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=n,this._mixer.dispatchEvent({type:"finished",action:this,direction:e<0?-1:1})}}else{if(s===-1&&(e>=0?(s=0,this._setEndings(!0,this.repetitions===0,a)):this._setEndings(this.repetitions===0,!0,a)),n>=t||n<0){let o=Math.floor(n/t);n-=t*o,s+=Math.abs(o);let l=this.repetitions-s;if(l<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,n=e>0?t:0,this.time=n,this._mixer.dispatchEvent({type:"finished",action:this,direction:e>0?1:-1});else{if(l===1){let c=e<0;this._setEndings(c,!c,a)}else this._setEndings(!1,!1,a);this._loopCount=s,this.time=n,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:o})}}else this.time=n;if(a&&(s&1)==1)return t-n}return n}_setEndings(e,t,i){let n=this._interpolantSettings;i?(n.endingStart=Vn,n.endingEnd=Vn):(e?n.endingStart=this.zeroSlopeAtStart?Vn:Gn:n.endingStart=gs,t?n.endingEnd=this.zeroSlopeAtEnd?Vn:Gn:n.endingEnd=gs)}_scheduleFading(e,t,i){let n=this._mixer,s=n.time,a=this._weightInterpolant;a===null&&(a=n._lendControlInterpolant(),this._weightInterpolant=a);let o=a.parameterPositions,l=a.sampleValues;return o[0]=s,l[0]=t,o[1]=s+e,l[1]=i,this}},_x=new Float32Array(1),Dd=class extends Wt{constructor(e){super();this._root=e,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(e,t){let i=e._localRoot||this._root,n=e._clip.tracks,s=n.length,a=e._propertyBindings,o=e._interpolants,l=i.uuid,c=this._bindingsByRootAndName,h=c[l];h===void 0&&(h={},c[l]=h);for(let u=0;u!==s;++u){let d=n[u],f=d.name,m=h[f];if(m!==void 0)++m.referenceCount,a[u]=m;else{if(m=a[u],m!==void 0){m._cacheIndex===null&&(++m.referenceCount,this._addInactiveBinding(m,l,f));continue}let v=t&&t._propertyBindings[u].binding.parsedPath;m=new 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e.max.x>=this.min.x&&e.min.x<=this.max.x&&e.max.y>=this.min.y&&e.min.y<=this.max.y}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return this.clampPoint(e,Xm).distanceTo(e)}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}},Ym=new b,eh=new b,zd=class{constructor(e=new b,t=new b){this.start=e,this.end=t}set(e,t){return this.start.copy(e),this.end.copy(t),this}copy(e){return this.start.copy(e.start),this.end.copy(e.end),this}getCenter(e){return e.addVectors(this.start,this.end).multiplyScalar(.5)}delta(e){return e.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(e,t){return this.delta(t).multiplyScalar(e).add(this.start)}closestPointToPointParameter(e,t){Ym.subVectors(e,this.start),eh.subVectors(this.end,this.start);let i=eh.dot(eh),s=eh.dot(Ym)/i;return t&&(s=Ge(s,0,1)),s}closestPointToPoint(e,t,i){let n=this.closestPointToPointParameter(e,t);return this.delta(i).multiplyScalar(n).add(this.start)}applyMatrix4(e){return this.start.applyMatrix4(e),this.end.applyMatrix4(e),this}equals(e){return e.start.equals(this.start)&&e.end.equals(this.end)}clone(){return new this.constructor().copy(this)}},jm=new b,kd=class extends Xe{constructor(e,t){super();this.light=e,this.matrixAutoUpdate=!1,this.color=t,this.type="SpotLightHelper";let i=new we,n=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let a=0,o=1,l=32;a1)for(let u=0;u.99999)this.quaternion.set(0,0,0,1);else if(e.y<-.99999)this.quaternion.set(1,0,0,0);else{$m.set(e.z,0,-e.x).normalize();let t=Math.acos(e.y);this.quaternion.setFromAxisAngle($m,t)}}setLength(e,t=e*.2,i=t*.2){this.line.scale.set(1,Math.max(1e-4,e-t),1),this.line.updateMatrix(),this.cone.scale.set(i,t,i),this.cone.position.y=e,this.cone.updateMatrix()}setColor(e){this.line.material.color.set(e),this.cone.material.color.set(e)}copy(e){return super.copy(e,!1),this.line.copy(e.line),this.cone.copy(e.cone),this}dispose(){this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}},Ko=class extends qt{constructor(e=1){let t=[0,0,0,e,0,0,0,0,0,0,e,0,0,0,0,0,0,e],i=[1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],n=new we;n.setAttribute("position",new me(t,3)),n.setAttribute("color",new me(i,3));let s=new _t({vertexColors:!0,toneMapped:!1});super(n,s);this.type="AxesHelper"}setColors(e,t,i){let n=new re,s=this.geometry.attributes.color.array;return n.set(e),n.toArray(s,0),n.toArray(s,3),n.set(t),n.toArray(s,6),n.toArray(s,9),n.set(i),n.toArray(s,12),n.toArray(s,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}},ef=class{constructor(){this.type="ShapePath",this.color=new re,this.subPaths=[],this.currentPath=null}moveTo(e,t){return this.currentPath=new Cr,this.subPaths.push(this.currentPath),this.currentPath.moveTo(e,t),this}lineTo(e,t){return this.currentPath.lineTo(e,t),this}quadraticCurveTo(e,t,i,n){return this.currentPath.quadraticCurveTo(e,t,i,n),this}bezierCurveTo(e,t,i,n,s,a){return this.currentPath.bezierCurveTo(e,t,i,n,s,a),this}splineThru(e){return this.currentPath.splineThru(e),this}toShapes(e){function t(p){let y=[];for(let x=0,_=p.length;x<_;x++){let D=p[x],T=new Ln;T.curves=D.curves,y.push(T)}return y}function i(p,y){let x=y.length,_=!1;for(let D=x-1,T=0;TNumber.EPSILON){if(A<0&&(R=y[T],M=-M,P=y[D],A=-A),p.yP.y)continue;if(p.y===R.y){if(p.x===R.x)return!0}else{let I=A*(p.x-R.x)-M*(p.y-R.y);if(I===0)return!0;if(I<0)continue;_=!_}}else{if(p.y!==R.y)continue;if(P.x<=p.x&&p.x<=R.x||R.x<=p.x&&p.x<=P.x)return!0}}return _}let n=Hi.isClockWise,s=this.subPaths;if(s.length===0)return[];let a,o,l,c=[];if(s.length===1)return o=s[0],l=new Ln,l.curves=o.curves,c.push(l),c;let h=!n(s[0].getPoints());h=e?!h:h;let u=[],d=[],f=[],m=0,v;d[m]=void 0,f[m]=[];for(let p=0,y=s.length;p1){let p=!1,y=0;for(let x=0,_=d.length;x<_;x++)u[x]=[];for(let x=0,_=d.length;x<_;x++){let D=f[x];for(let T=0;T0&&p===!1&&(f=u)}let g;for(let p=0,y=d.length;pe?(r.repeat.x=1,r.repeat.y=t/e,r.offset.x=0,r.offset.y=(1-r.repeat.y)/2):(r.repeat.x=e/t,r.repeat.y=1,r.offset.x=(1-r.repeat.x)/2,r.offset.y=0),r}function Ex(r,e){let t=r.image&&r.image.width?r.image.width/r.image.height:1;return t>e?(r.repeat.x=e/t,r.repeat.y=1,r.offset.x=(1-r.repeat.x)/2,r.offset.y=0):(r.repeat.x=1,r.repeat.y=t/e,r.offset.x=0,r.offset.y=(1-r.repeat.y)/2),r}function Mx(r){return r.repeat.x=1,r.repeat.y=1,r.offset.x=0,r.offset.y=0,r}function ah(r,e,t,i){let n=bx(i);switch(t){case gl:return r*e;case xl:return r*e;case _l:return r*e*2;case Oa:return r*e/n.components*n.byteLength;case cs:return r*e/n.components*n.byteLength;case yl:return r*e*2/n.components*n.byteLength;case Na:return r*e*2/n.components*n.byteLength;case vl:return r*e*3/n.components*n.byteLength;case Jt:return r*e*4/n.components*n.byteLength;case Fa:return r*e*4/n.components*n.byteLength;case hs:case us:return Math.floor((r+3)/4)*Math.floor((e+3)/4)*8;case ds:case fs:return Math.floor((r+3)/4)*Math.floor((e+3)/4)*16;case za:case Ga:return Math.max(r,16)*Math.max(e,8)/4;case Ha:case ka:return Math.max(r,8)*Math.max(e,8)/2;case Va:case Wa:return Math.floor((r+3)/4)*Math.floor((e+3)/4)*8;case Xa:return Math.floor((r+3)/4)*Math.floor((e+3)/4)*16;case Ya:return Math.floor((r+3)/4)*Math.floor((e+3)/4)*16;case ja:return Math.floor((r+4)/5)*Math.floor((e+3)/4)*16;case qa:return Math.floor((r+4)/5)*Math.floor((e+4)/5)*16;case Za:return Math.floor((r+5)/6)*Math.floor((e+4)/5)*16;case Qa:return Math.floor((r+5)/6)*Math.floor((e+5)/6)*16;case Ka:return Math.floor((r+7)/8)*Math.floor((e+4)/5)*16;case Ja:return Math.floor((r+7)/8)*Math.floor((e+5)/6)*16;case $a:return Math.floor((r+7)/8)*Math.floor((e+7)/8)*16;case eo:return Math.floor((r+9)/10)*Math.floor((e+4)/5)*16;case to:return Math.floor((r+9)/10)*Math.floor((e+5)/6)*16;case io:return Math.floor((r+9)/10)*Math.floor((e+7)/8)*16;case no:return Math.floor((r+9)/10)*Math.floor((e+9)/10)*16;case ro:return Math.floor((r+11)/12)*Math.floor((e+9)/10)*16;case so:return Math.floor((r+11)/12)*Math.floor((e+11)/12)*16;case ps:case ao:case oo:return Math.ceil(r/4)*Math.ceil(e/4)*16;case Al:case lo:return Math.ceil(r/4)*Math.ceil(e/4)*8;case co:case ho:return Math.ceil(r/4)*Math.ceil(e/4)*16}throw new Error(`Unable to determine texture byte length for ${t} format.`)}function bx(r){switch(r){case bt:case fl:return{byteLength:1,components:1};case ur:case pl:case dr:return{byteLength:2,components:1};case La:case Ba:return{byteLength:2,components:4};case Ii:case Ua:case Kt:return{byteLength:4,components:1};case ml:return{byteLength:4,components:3}}throw new Error(`Unknown texture type ${r}.`)}var eg={contain:Sx,cover:Ex,fill:Mx,getByteLength:ah};typeof __THREE_DEVTOOLS__!="undefined"&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{detail:{revision:Yi}}));typeof window!="undefined"&&(window.__THREE__?console.warn("WARNING: Multiple instances of Three.js being imported."):window.__THREE__=Yi);function tg(){let r=null,e=!1,t=null,i=null;function n(s,a){t(s,a),i=r.requestAnimationFrame(n)}return{start:function(){e!==!0&&t!==null&&(i=r.requestAnimationFrame(n),e=!0)},stop:function(){r.cancelAnimationFrame(i),e=!1},setAnimationLoop:function(s){t=s},setContext:function(s){r=s}}}function Tx(r){let e=new WeakMap;function t(o,l){let c=o.array,h=o.usage,u=c.byteLength,d=r.createBuffer();r.bindBuffer(l,d),r.bufferData(l,c,h),o.onUploadCallback();let f;if(c instanceof Float32Array)f=r.FLOAT;else if(c instanceof Uint16Array)o.isFloat16BufferAttribute?f=r.HALF_FLOAT:f=r.UNSIGNED_SHORT;else if(c instanceof Int16Array)f=r.SHORT;else if(c instanceof Uint32Array)f=r.UNSIGNED_INT;else if(c instanceof Int32Array)f=r.INT;else if(c instanceof Int8Array)f=r.BYTE;else if(c instanceof Uint8Array)f=r.UNSIGNED_BYTE;else if(c instanceof Uint8ClampedArray)f=r.UNSIGNED_BYTE;else throw new Error("THREE.WebGLAttributes: Unsupported buffer data format: "+c);return{buffer:d,type:f,bytesPerElement:c.BYTES_PER_ELEMENT,version:o.version,size:u}}function i(o,l,c){let h=l.array,u=l.updateRanges;if(r.bindBuffer(c,o),u.length===0)r.bufferSubData(c,0,h);else{u.sort((f,m)=>f.start-m.start);let d=0;for(let f=1;f 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v; - return cross( v1, v2 ) * theta_sintheta; -} -vec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) { - vec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ]; - vec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ]; - vec3 lightNormal = cross( v1, v2 ); - if( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 ); - vec3 T1, T2; - T1 = normalize( V - N * dot( V, N ) ); - T2 = - cross( N, T1 ); - mat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) ); - vec3 coords[ 4 ]; - coords[ 0 ] = mat * ( rectCoords[ 0 ] - P ); - coords[ 1 ] = mat * ( rectCoords[ 1 ] - P ); - coords[ 2 ] = mat * ( rectCoords[ 2 ] - P ); - coords[ 3 ] = mat * ( rectCoords[ 3 ] - P ); - coords[ 0 ] = normalize( coords[ 0 ] ); - coords[ 1 ] = normalize( coords[ 1 ] ); - coords[ 2 ] = normalize( coords[ 2 ] ); - coords[ 3 ] = normalize( coords[ 3 ] ); - vec3 vectorFormFactor = vec3( 0.0 ); - vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] ); - vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] ); - vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] ); - vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] ); - float result = LTC_ClippedSphereFormFactor( vectorFormFactor ); - return vec3( result ); -} -float G_BlinnPhong_Implicit( ) { +#endif`,Hx=`float G_BlinnPhong_Implicit( ) { return 0.25; } float D_BlinnPhong( const in float shininess, const in float dotNH ) { @@ -150,41 +159,83 @@ vec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in ve float G = G_BlinnPhong_Implicit( ); float D = D_BlinnPhong( shininess, dotNH ); return F * ( G * D ); -} -#if defined( USE_SHEEN ) -float D_Charlie( float roughness, float dotNH ) { - float alpha = pow2( roughness ); - float invAlpha = 1.0 / alpha; - float cos2h = dotNH * dotNH; - float sin2h = max( 1.0 - cos2h, 0.0078125 ); - return ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI ); -} -float V_Neubelt( float dotNV, float dotNL ) { - return saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) ); -} -vec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) { - vec3 halfDir = normalize( lightDir + viewDir ); - float dotNL = saturate( dot( normal, lightDir ) ); - float dotNV = saturate( dot( normal, viewDir ) ); - float dotNH = saturate( dot( normal, halfDir ) ); - float D = D_Charlie( sheenRoughness, dotNH ); - float V = V_Neubelt( dotNV, dotNL ); - return sheenColor * ( D * V ); -} -#endif`,Hg=`#ifdef USE_BUMPMAP +} // validated`,zx=`#ifdef USE_IRIDESCENCE + const mat3 XYZ_TO_REC709 = mat3( + 3.2404542, -0.9692660, 0.0556434, + -1.5371385, 1.8760108, -0.2040259, + -0.4985314, 0.0415560, 1.0572252 + ); + vec3 Fresnel0ToIor( vec3 fresnel0 ) { + vec3 sqrtF0 = sqrt( fresnel0 ); + return ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 ); + } + vec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) { + return pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) ); + } + float IorToFresnel0( float transmittedIor, float incidentIor ) { + return pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor )); + } + vec3 evalSensitivity( float OPD, vec3 shift ) { + float phase = 2.0 * PI * OPD * 1.0e-9; + vec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 ); + vec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 ); + vec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 ); + vec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var ); + xyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) ); + xyz /= 1.0685e-7; + vec3 rgb = XYZ_TO_REC709 * xyz; + return rgb; + } + vec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) { + vec3 I; + float iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) ); + float sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) ); + float cosTheta2Sq = 1.0 - sinTheta2Sq; + if ( cosTheta2Sq < 0.0 ) { + return vec3( 1.0 ); + } + float cosTheta2 = sqrt( cosTheta2Sq ); + float R0 = IorToFresnel0( iridescenceIOR, outsideIOR ); + float R12 = F_Schlick( R0, 1.0, cosTheta1 ); + float T121 = 1.0 - R12; + float phi12 = 0.0; + if ( iridescenceIOR < outsideIOR ) phi12 = PI; + float phi21 = PI - phi12; + vec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) ); vec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR ); + vec3 R23 = F_Schlick( R1, 1.0, cosTheta2 ); + vec3 phi23 = vec3( 0.0 ); + if ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI; + if ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI; + if ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI; + float OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2; + vec3 phi = vec3( phi21 ) + phi23; + vec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 ); + vec3 r123 = sqrt( R123 ); + vec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 ); + vec3 C0 = R12 + Rs; + I = C0; + vec3 Cm = Rs - T121; + for ( int m = 1; m <= 2; ++ m ) { + Cm *= r123; + vec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi ); + I += Cm * Sm; + } + return max( I, vec3( 0.0 ) ); + } +#endif`,kx=`#ifdef USE_BUMPMAP uniform sampler2D bumpMap; uniform float bumpScale; vec2 dHdxy_fwd() { - vec2 dSTdx = dFdx( vUv ); - vec2 dSTdy = dFdy( vUv ); - float Hll = bumpScale * texture2D( bumpMap, vUv ).x; - float dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll; - float dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll; + vec2 dSTdx = dFdx( vBumpMapUv ); + vec2 dSTdy = dFdy( vBumpMapUv ); + float Hll = bumpScale * texture2D( bumpMap, vBumpMapUv ).x; + float dBx = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdx ).x - Hll; + float dBy = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdy ).x - Hll; return vec2( dBx, dBy ); } vec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) { - vec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) ); - vec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) ); + vec3 vSigmaX = normalize( dFdx( surf_pos.xyz ) ); + vec3 vSigmaY = normalize( dFdy( surf_pos.xyz ) ); vec3 vN = surf_norm; vec3 R1 = cross( vSigmaY, vN ); vec3 R2 = cross( vN, vSigmaX ); @@ -192,46 +243,74 @@ vec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 no vec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 ); return normalize( abs( fDet ) * surf_norm - vGrad ); } -#endif`,zg=`#if NUM_CLIPPING_PLANES > 0 +#endif`,Gx=`#if NUM_CLIPPING_PLANES > 0 vec4 plane; - #pragma unroll_loop_start - for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) { - plane = clippingPlanes[ i ]; - if ( dot( vClipPosition, plane.xyz ) > plane.w ) discard; - } - #pragma unroll_loop_end - #if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES - bool clipped = true; + #ifdef ALPHA_TO_COVERAGE + float distanceToPlane, distanceGradient; + float clipOpacity = 1.0; #pragma unroll_loop_start - for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) { + for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) { plane = clippingPlanes[ i ]; - clipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped; + distanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w; + distanceGradient = fwidth( distanceToPlane ) / 2.0; + clipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane ); + if ( clipOpacity == 0.0 ) discard; } #pragma unroll_loop_end - if ( clipped ) discard; + #if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES + float unionClipOpacity = 1.0; + #pragma unroll_loop_start + for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) { + plane = clippingPlanes[ i ]; + distanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w; + distanceGradient = fwidth( distanceToPlane ) / 2.0; + unionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane ); + } + #pragma unroll_loop_end + clipOpacity *= 1.0 - unionClipOpacity; + #endif + diffuseColor.a *= clipOpacity; + if ( diffuseColor.a == 0.0 ) discard; + #else + #pragma unroll_loop_start + for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) { + plane = clippingPlanes[ i ]; + if ( dot( vClipPosition, plane.xyz ) > plane.w ) discard; + } + #pragma unroll_loop_end + #if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES + bool clipped = true; + #pragma unroll_loop_start + for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) { + plane = clippingPlanes[ i ]; + clipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped; + } + #pragma unroll_loop_end + if ( clipped ) discard; + #endif #endif -#endif`,Gg=`#if NUM_CLIPPING_PLANES > 0 +#endif`,Vx=`#if NUM_CLIPPING_PLANES > 0 varying vec3 vClipPosition; uniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ]; -#endif`,kg=`#if NUM_CLIPPING_PLANES > 0 +#endif`,Wx=`#if NUM_CLIPPING_PLANES > 0 varying vec3 vClipPosition; -#endif`,Vg=`#if NUM_CLIPPING_PLANES > 0 +#endif`,Xx=`#if NUM_CLIPPING_PLANES > 0 vClipPosition = - mvPosition.xyz; -#endif`,Wg=`#if defined( USE_COLOR_ALPHA ) +#endif`,Yx=`#if defined( USE_COLOR_ALPHA ) diffuseColor *= vColor; #elif defined( USE_COLOR ) diffuseColor.rgb *= vColor; -#endif`,Yg=`#if defined( USE_COLOR_ALPHA ) +#endif`,jx=`#if defined( USE_COLOR_ALPHA ) varying vec4 vColor; #elif defined( USE_COLOR ) varying vec3 vColor; -#endif`,jg=`#if defined( USE_COLOR_ALPHA ) +#endif`,qx=`#if defined( USE_COLOR_ALPHA ) varying vec4 vColor; -#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) +#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR ) varying vec3 vColor; -#endif`,Xg=`#if defined( USE_COLOR_ALPHA ) +#endif`,Zx=`#if defined( USE_COLOR_ALPHA ) vColor = vec4( 1.0 ); -#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) +#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR ) vColor = vec3( 1.0 ); #endif #ifdef USE_COLOR @@ -239,7 +318,11 @@ vec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 no #endif #ifdef USE_INSTANCING_COLOR vColor.xyz *= instanceColor.xyz; -#endif`,Qg=`#define PI 3.141592653589793 +#endif +#ifdef USE_BATCHING_COLOR + vec3 batchingColor = getBatchingColor( getIndirectIndex( gl_DrawID ) ); + vColor.xyz *= batchingColor.xyz; +#endif`,Qx=`#define PI 3.141592653589793 #define PI2 6.283185307179586 #define PI_HALF 1.5707963267948966 #define RECIPROCAL_PI 0.3183098861837907 @@ -250,10 +333,11 @@ vec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 no #endif #define whiteComplement( a ) ( 1.0 - saturate( a ) ) float pow2( const in float x ) { return x*x; } +vec3 pow2( const in vec3 x ) { return x*x; } float pow3( const in float x ) { return x*x*x; } float pow4( const in float x ) { float x2 = x*x; return x2*x2; } float max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); } -float average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); } +float average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); } highp float rand( const in vec2 uv ) { const highp float a = 12.9898, b = 78.233, c = 43758.5453; highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI ); @@ -278,14 +362,9 @@ struct ReflectedLight { vec3 indirectDiffuse; vec3 indirectSpecular; }; -struct GeometricContext { - vec3 position; - vec3 normal; - vec3 viewDir; -#ifdef USE_CLEARCOAT - vec3 clearcoatNormal; +#ifdef USE_ALPHAHASH + varying vec3 vPosition; #endif -}; vec3 transformDirection( in vec3 dir, in mat4 matrix ) { return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz ); } @@ -299,10 +378,6 @@ mat3 transposeMat3( const in mat3 m ) { tmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z ); return tmp; } -float linearToRelativeLuminance( const in vec3 color ) { - vec3 weights = vec3( 0.2126, 0.7152, 0.0722 ); - return dot( weights, color.rgb ); -} bool isPerspectiveMatrix( mat4 m ) { return m[ 2 ][ 3 ] == - 1.0; } @@ -310,10 +385,19 @@ vec2 equirectUv( in vec3 dir ) { float u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5; float v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5; return vec2( u, v ); -}`,qg=`#ifdef ENVMAP_TYPE_CUBE_UV - #define cubeUV_maxMipLevel 8.0 +} +vec3 BRDF_Lambert( const in vec3 diffuseColor ) { + return RECIPROCAL_PI * diffuseColor; +} +vec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) { + float fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH ); + return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel ); +} +float F_Schlick( const in float f0, const in float f90, const in float dotVH ) { + float fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH ); + return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel ); +} // validated`,Kx=`#ifdef ENVMAP_TYPE_CUBE_UV #define cubeUV_minMipLevel 4.0 - #define cubeUV_maxTileSize 256.0 #define cubeUV_minTileSize 16.0 float getFace( vec3 direction ) { vec3 absDirection = abs( direction ); @@ -353,63 +437,48 @@ vec2 equirectUv( in vec3 dir ) { float filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 ); mipInt = max( mipInt, cubeUV_minMipLevel ); float faceSize = exp2( mipInt ); - float texelSize = 1.0 / ( 3.0 * cubeUV_maxTileSize ); - vec2 uv = getUV( direction, face ) * ( faceSize - 1.0 ); - vec2 f = fract( uv ); - uv += 0.5 - f; + highp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0; if ( face > 2.0 ) { uv.y += faceSize; face -= 3.0; } uv.x += face * faceSize; - if ( mipInt < cubeUV_maxMipLevel ) { - uv.y += 2.0 * cubeUV_maxTileSize; - } - uv.y += filterInt * 2.0 * cubeUV_minTileSize; - uv.x += 3.0 * max( 0.0, cubeUV_maxTileSize - 2.0 * faceSize ); - uv *= texelSize; - vec3 tl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb; - uv.x += texelSize; - vec3 tr = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb; - uv.y += texelSize; - vec3 br = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb; - uv.x -= texelSize; - vec3 bl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb; - vec3 tm = mix( tl, tr, f.x ); - vec3 bm = mix( bl, br, f.x ); - return mix( tm, bm, f.y ); - } - #define r0 1.0 - #define v0 0.339 - #define m0 - 2.0 - #define r1 0.8 - #define v1 0.276 - #define m1 - 1.0 - #define r4 0.4 - #define v4 0.046 - #define m4 2.0 - #define r5 0.305 - #define v5 0.016 - #define m5 3.0 - #define r6 0.21 - #define v6 0.0038 - #define m6 4.0 + uv.x += filterInt * 3.0 * cubeUV_minTileSize; + uv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize ); + uv.x *= CUBEUV_TEXEL_WIDTH; + uv.y *= CUBEUV_TEXEL_HEIGHT; + #ifdef texture2DGradEXT + return texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb; + #else + return texture2D( envMap, uv ).rgb; + #endif + } + #define cubeUV_r0 1.0 + #define cubeUV_m0 - 2.0 + #define cubeUV_r1 0.8 + #define cubeUV_m1 - 1.0 + #define cubeUV_r4 0.4 + #define cubeUV_m4 2.0 + #define cubeUV_r5 0.305 + #define cubeUV_m5 3.0 + #define cubeUV_r6 0.21 + #define cubeUV_m6 4.0 float roughnessToMip( float roughness ) { float mip = 0.0; - if ( roughness >= r1 ) { - mip = ( r0 - roughness ) * ( m1 - m0 ) / ( r0 - r1 ) + m0; - } else if ( roughness >= r4 ) { - mip = ( r1 - roughness ) * ( m4 - m1 ) / ( r1 - r4 ) + m1; - } else if ( roughness >= r5 ) { - mip = ( r4 - roughness ) * ( m5 - m4 ) / ( r4 - r5 ) + m4; - } else if ( roughness >= r6 ) { - mip = ( r5 - roughness ) * ( m6 - m5 ) / ( r5 - r6 ) + m5; + if ( roughness >= cubeUV_r1 ) { + mip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0; + } else if ( roughness >= cubeUV_r4 ) { + mip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1; + } else if ( roughness >= cubeUV_r5 ) { + mip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4; + } else if ( roughness >= cubeUV_r6 ) { + mip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5; } else { mip = - 2.0 * log2( 1.16 * roughness ); } return mip; } vec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) { - float mip = clamp( roughnessToMip( roughness ), m0, cubeUV_maxMipLevel ); + float mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP ); float mipF = fract( mip ); float mipInt = floor( mip ); vec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt ); @@ -420,75 +489,58 @@ vec2 equirectUv( in vec3 dir ) { return vec4( mix( color0, color1, mipF ), 1.0 ); } } -#endif`,Zg=`vec3 transformedNormal = objectNormal; +#endif`,Jx=`vec3 transformedNormal = objectNormal; +#ifdef USE_TANGENT + vec3 transformedTangent = objectTangent; +#endif +#ifdef USE_BATCHING + mat3 bm = mat3( batchingMatrix ); + transformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) ); + transformedNormal = bm * transformedNormal; + #ifdef USE_TANGENT + transformedTangent = bm * transformedTangent; + #endif +#endif #ifdef USE_INSTANCING - mat3 m = mat3( instanceMatrix ); - transformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) ); - transformedNormal = m * transformedNormal; + mat3 im = mat3( instanceMatrix ); + transformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) ); + transformedNormal = im * transformedNormal; + #ifdef USE_TANGENT + transformedTangent = im * transformedTangent; + #endif #endif transformedNormal = normalMatrix * transformedNormal; #ifdef FLIP_SIDED transformedNormal = - transformedNormal; #endif #ifdef USE_TANGENT - vec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz; + transformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz; #ifdef FLIP_SIDED transformedTangent = - transformedTangent; #endif -#endif`,Jg=`#ifdef USE_DISPLACEMENTMAP +#endif`,$x=`#ifdef USE_DISPLACEMENTMAP uniform sampler2D displacementMap; uniform float displacementScale; uniform float displacementBias; -#endif`,Kg=`#ifdef USE_DISPLACEMENTMAP - transformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias ); -#endif`,$g=`#ifdef USE_EMISSIVEMAP - vec4 emissiveColor = texture2D( emissiveMap, vUv ); - emissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb; +#endif`,e_=`#ifdef USE_DISPLACEMENTMAP + transformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias ); +#endif`,t_=`#ifdef USE_EMISSIVEMAP + vec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv ); + #ifdef DECODE_VIDEO_TEXTURE_EMISSIVE + emissiveColor = sRGBTransferEOTF( emissiveColor ); + #endif totalEmissiveRadiance *= emissiveColor.rgb; -#endif`,ev=`#ifdef USE_EMISSIVEMAP +#endif`,i_=`#ifdef USE_EMISSIVEMAP uniform sampler2D emissiveMap; -#endif`,tv="gl_FragColor = linearToOutputTexel( gl_FragColor );",nv=` -vec4 LinearToLinear( in vec4 value ) { +#endif`,n_="gl_FragColor = linearToOutputTexel( gl_FragColor );",r_=`vec4 LinearTransferOETF( in vec4 value ) { return value; } -vec4 GammaToLinear( in vec4 value, in float gammaFactor ) { - return vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a ); -} -vec4 LinearToGamma( in vec4 value, in float gammaFactor ) { - return vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a ); -} -vec4 sRGBToLinear( in vec4 value ) { +vec4 sRGBTransferEOTF( in vec4 value ) { return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a ); } -vec4 LinearTosRGB( in vec4 value ) { +vec4 sRGBTransferOETF( in vec4 value ) { return vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a ); -} -vec4 RGBEToLinear( in vec4 value ) { - return vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 ); -} -vec4 LinearToRGBE( in vec4 value ) { - float maxComponent = max( max( value.r, value.g ), value.b ); - float fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 ); - return vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 ); -} -vec4 RGBMToLinear( in vec4 value, in float maxRange ) { - return vec4( value.rgb * value.a * maxRange, 1.0 ); -} -vec4 LinearToRGBM( in vec4 value, in float maxRange ) { - float maxRGB = max( value.r, max( value.g, value.b ) ); - float M = clamp( maxRGB / maxRange, 0.0, 1.0 ); - M = ceil( M * 255.0 ) / 255.0; - return vec4( value.rgb / ( M * maxRange ), M ); -} -vec4 RGBDToLinear( in vec4 value, in float maxRange ) { - return vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 ); -} -vec4 LinearToRGBD( in vec4 value, in float maxRange ) { - float maxRGB = max( value.r, max( value.g, value.b ) ); - float D = max( maxRange / maxRGB, 1.0 ); - D = clamp( floor( D ) / 255.0, 0.0, 1.0 ); - return vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D ); -}`,iv=`#ifdef USE_ENVMAP +}`,s_=`#ifdef USE_ENVMAP #ifdef ENV_WORLDPOS vec3 cameraToFrag; if ( isOrthographic ) { @@ -506,10 +558,7 @@ vec4 LinearToRGBD( in vec4 value, in float maxRange ) { vec3 reflectVec = vReflect; #endif #ifdef ENVMAP_TYPE_CUBE - vec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) ); - envColor = envMapTexelToLinear( envColor ); - #elif defined( ENVMAP_TYPE_CUBE_UV ) - vec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 ); + vec4 envColor = textureCube( envMap, envMapRotation * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) ); #else vec4 envColor = vec4( 0.0 ); #endif @@ -520,18 +569,19 @@ vec4 LinearToRGBD( in vec4 value, in float maxRange ) { #elif defined( ENVMAP_BLENDING_ADD ) outgoingLight += envColor.xyz * specularStrength * reflectivity; #endif -#endif`,rv=`#ifdef USE_ENVMAP +#endif`,a_=`#ifdef USE_ENVMAP uniform float envMapIntensity; uniform float flipEnvMap; + uniform mat3 envMapRotation; #ifdef ENVMAP_TYPE_CUBE uniform samplerCube envMap; #else uniform sampler2D envMap; #endif -#endif`,sv=`#ifdef USE_ENVMAP +#endif`,o_=`#ifdef USE_ENVMAP uniform float reflectivity; - #if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) + #if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT ) #define ENV_WORLDPOS #endif #ifdef ENV_WORLDPOS @@ -540,8 +590,8 @@ vec4 LinearToRGBD( in vec4 value, in float maxRange ) { #else varying vec3 vReflect; #endif -#endif`,av=`#ifdef USE_ENVMAP - #if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG ) +#endif`,l_=`#ifdef USE_ENVMAP + #if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT ) #define ENV_WORLDPOS #endif #ifdef ENV_WORLDPOS @@ -551,7 +601,7 @@ vec4 LinearToRGBD( in vec4 value, in float maxRange ) { varying vec3 vReflect; uniform float refractionRatio; #endif -#endif`,ov=`#ifdef USE_ENVMAP +#endif`,c_=`#ifdef USE_ENVMAP #ifdef ENV_WORLDPOS vWorldPosition = worldPosition.xyz; #else @@ -568,18 +618,18 @@ vec4 LinearToRGBD( in vec4 value, in float maxRange ) { vReflect = refract( cameraToVertex, worldNormal, refractionRatio ); #endif #endif -#endif`,lv=`#ifdef USE_FOG +#endif`,h_=`#ifdef USE_FOG vFogDepth = - mvPosition.z; -#endif`,cv=`#ifdef USE_FOG +#endif`,u_=`#ifdef USE_FOG varying float vFogDepth; -#endif`,uv=`#ifdef USE_FOG +#endif`,d_=`#ifdef USE_FOG #ifdef FOG_EXP2 float fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth ); #else float fogFactor = smoothstep( fogNear, fogFar, vFogDepth ); #endif gl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor ); -#endif`,hv=`#ifdef USE_FOG +#endif`,f_=`#ifdef USE_FOG uniform vec3 fogColor; varying float vFogDepth; #ifdef FOG_EXP2 @@ -588,102 +638,42 @@ vec4 LinearToRGBD( in vec4 value, in float maxRange ) { uniform float fogNear; uniform float fogFar; #endif -#endif`,dv=`#ifdef USE_GRADIENTMAP +#endif`,p_=`#ifdef USE_GRADIENTMAP uniform sampler2D gradientMap; #endif vec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) { float dotNL = dot( normal, lightDirection ); vec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 ); #ifdef USE_GRADIENTMAP - return texture2D( gradientMap, coord ).rgb; + return vec3( texture2D( gradientMap, coord ).r ); #else - return ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 ); + vec2 fw = fwidth( coord ) * 0.5; + return mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) ); #endif -}`,fv=`#ifdef USE_LIGHTMAP - vec4 lightMapTexel = texture2D( lightMap, vUv2 ); - vec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity; - #ifndef PHYSICALLY_CORRECT_LIGHTS - lightMapIrradiance *= PI; - #endif - reflectedLight.indirectDiffuse += lightMapIrradiance; -#endif`,pv=`#ifdef USE_LIGHTMAP +}`,m_=`#ifdef USE_LIGHTMAP uniform sampler2D lightMap; uniform float lightMapIntensity; -#endif`,mv=`vec3 diffuse = vec3( 1.0 ); -GeometricContext geometry; -geometry.position = mvPosition.xyz; -geometry.normal = normalize( transformedNormal ); -geometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz ); -GeometricContext backGeometry; -backGeometry.position = geometry.position; -backGeometry.normal = -geometry.normal; -backGeometry.viewDir = geometry.viewDir; -vLightFront = vec3( 0.0 ); -vIndirectFront = vec3( 0.0 ); -#ifdef DOUBLE_SIDED - vLightBack = vec3( 0.0 ); - vIndirectBack = vec3( 0.0 ); -#endif -IncidentLight directLight; -float dotNL; -vec3 directLightColor_Diffuse; -vIndirectFront += getAmbientLightIrradiance( ambientLightColor ); -vIndirectFront += getLightProbeIrradiance( lightProbe, geometry.normal ); -#ifdef DOUBLE_SIDED - vIndirectBack += getAmbientLightIrradiance( ambientLightColor ); - vIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry.normal ); -#endif -#if NUM_POINT_LIGHTS > 0 - #pragma unroll_loop_start - for ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) { - getPointLightInfo( pointLights[ i ], geometry, directLight ); - dotNL = dot( geometry.normal, directLight.direction ); - directLightColor_Diffuse = directLight.color; - vLightFront += saturate( dotNL ) * directLightColor_Diffuse; - #ifdef DOUBLE_SIDED - vLightBack += saturate( - dotNL ) * directLightColor_Diffuse; - #endif - } - #pragma unroll_loop_end -#endif -#if NUM_SPOT_LIGHTS > 0 - #pragma unroll_loop_start - for ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) { - getSpotLightInfo( spotLights[ i ], geometry, directLight ); - dotNL = dot( geometry.normal, directLight.direction ); - directLightColor_Diffuse = directLight.color; - vLightFront += saturate( dotNL ) * directLightColor_Diffuse; - #ifdef DOUBLE_SIDED - vLightBack += saturate( - dotNL ) * directLightColor_Diffuse; - #endif - } - #pragma unroll_loop_end -#endif -#if NUM_DIR_LIGHTS > 0 - #pragma unroll_loop_start - for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) { - getDirectionalLightInfo( directionalLights[ i ], geometry, directLight ); - dotNL = dot( geometry.normal, directLight.direction ); - directLightColor_Diffuse = directLight.color; - vLightFront += saturate( dotNL ) * directLightColor_Diffuse; - #ifdef DOUBLE_SIDED - vLightBack += saturate( - dotNL ) * directLightColor_Diffuse; - #endif - } - #pragma unroll_loop_end -#endif -#if NUM_HEMI_LIGHTS > 0 - #pragma unroll_loop_start - for ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) { - vIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal ); - #ifdef DOUBLE_SIDED - vIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry.normal ); - #endif - } - #pragma unroll_loop_end -#endif`,gv=`uniform bool receiveShadow; +#endif`,g_=`LambertMaterial material; +material.diffuseColor = diffuseColor.rgb; +material.specularStrength = specularStrength;`,v_=`varying vec3 vViewPosition; +struct LambertMaterial { + vec3 diffuseColor; + float specularStrength; +}; +void RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) { + float dotNL = saturate( dot( geometryNormal, directLight.direction ) ); + vec3 irradiance = dotNL * directLight.color; + reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); +} +void RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) { + reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); +} +#define RE_Direct RE_Direct_Lambert +#define RE_IndirectDiffuse RE_IndirectDiffuse_Lambert`,x_=`uniform bool receiveShadow; uniform vec3 ambientLightColor; -uniform vec3 lightProbe[ 9 ]; +#if defined( USE_LIGHT_PROBES ) + uniform vec3 lightProbe[ 9 ]; +#endif vec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) { float x = normal.x, y = normal.y, z = normal.z; vec3 result = shCoefficients[ 0 ] * 0.886227; @@ -707,18 +697,11 @@ vec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) { return irradiance; } float getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) { - #if defined ( PHYSICALLY_CORRECT_LIGHTS ) - float distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 ); - if ( cutoffDistance > 0.0 ) { - distanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) ); - } - return distanceFalloff; - #else - if ( cutoffDistance > 0.0 && decayExponent > 0.0 ) { - return pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent ); - } - return 1.0; - #endif + float distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 ); + if ( cutoffDistance > 0.0 ) { + distanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) ); + } + return distanceFalloff; } float getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) { return smoothstep( coneCosine, penumbraCosine, angleCosine ); @@ -729,7 +712,7 @@ float getSpotAttenuation( const in float coneCosine, const in float penumbraCosi vec3 color; }; uniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ]; - void getDirectionalLightInfo( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight light ) { + void getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) { light.color = directionalLight.color; light.direction = directionalLight.direction; light.visible = true; @@ -743,8 +726,8 @@ float getSpotAttenuation( const in float coneCosine, const in float penumbraCosi float decay; }; uniform PointLight pointLights[ NUM_POINT_LIGHTS ]; - void getPointLightInfo( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight light ) { - vec3 lVector = pointLight.position - geometry.position; + void getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) { + vec3 lVector = pointLight.position - geometryPosition; light.direction = normalize( lVector ); float lightDistance = length( lVector ); light.color = pointLight.color; @@ -763,8 +746,8 @@ float getSpotAttenuation( const in float coneCosine, const in float penumbraCosi float penumbraCos; }; uniform SpotLight spotLights[ NUM_SPOT_LIGHTS ]; - void getSpotLightInfo( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight light ) { - vec3 lVector = spotLight.position - geometry.position; + void getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) { + vec3 lVector = spotLight.position - geometryPosition; light.direction = normalize( lVector ); float angleCos = dot( light.direction, spotLight.direction ); float spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos ); @@ -802,86 +785,89 @@ float getSpotAttenuation( const in float coneCosine, const in float penumbraCosi vec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight ); return irradiance; } -#endif`,vv=`#if defined( USE_ENVMAP ) - #ifdef ENVMAP_MODE_REFRACTION - uniform float refractionRatio; - #endif +#endif`,__=`#ifdef USE_ENVMAP vec3 getIBLIrradiance( const in vec3 normal ) { - #if defined( ENVMAP_TYPE_CUBE_UV ) + #ifdef ENVMAP_TYPE_CUBE_UV vec3 worldNormal = inverseTransformDirection( normal, viewMatrix ); - vec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 ); + vec4 envMapColor = textureCubeUV( envMap, envMapRotation * worldNormal, 1.0 ); return PI * envMapColor.rgb * envMapIntensity; #else return vec3( 0.0 ); #endif } vec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) { - #if defined( ENVMAP_TYPE_CUBE_UV ) - vec3 reflectVec; - #ifdef ENVMAP_MODE_REFLECTION - reflectVec = reflect( - viewDir, normal ); - reflectVec = normalize( mix( reflectVec, normal, roughness * roughness) ); - #else - reflectVec = refract( - viewDir, normal, refractionRatio ); - #endif + #ifdef ENVMAP_TYPE_CUBE_UV + vec3 reflectVec = reflect( - viewDir, normal ); + reflectVec = normalize( mix( reflectVec, normal, roughness * roughness) ); reflectVec = inverseTransformDirection( reflectVec, viewMatrix ); - vec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness ); + vec4 envMapColor = textureCubeUV( envMap, envMapRotation * reflectVec, roughness ); return envMapColor.rgb * envMapIntensity; #else return vec3( 0.0 ); #endif } -#endif`,xv=`ToonMaterial material; -material.diffuseColor = diffuseColor.rgb;`,yv=`varying vec3 vViewPosition; + #ifdef USE_ANISOTROPY + vec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) { + #ifdef ENVMAP_TYPE_CUBE_UV + vec3 bentNormal = cross( bitangent, viewDir ); + bentNormal = normalize( cross( bentNormal, bitangent ) ); + bentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) ); + return getIBLRadiance( viewDir, bentNormal, roughness ); + #else + return vec3( 0.0 ); + #endif + } + #endif +#endif`,y_=`ToonMaterial material; +material.diffuseColor = diffuseColor.rgb;`,A_=`varying vec3 vViewPosition; struct ToonMaterial { vec3 diffuseColor; }; -void RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) { - vec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color; +void RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) { + vec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color; reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); } -void RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) { +void RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) { reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); } #define RE_Direct RE_Direct_Toon -#define RE_IndirectDiffuse RE_IndirectDiffuse_Toon -#define Material_LightProbeLOD( material ) (0)`,wv=`BlinnPhongMaterial material; +#define RE_IndirectDiffuse RE_IndirectDiffuse_Toon`,S_=`BlinnPhongMaterial material; material.diffuseColor = diffuseColor.rgb; material.specularColor = specular; material.specularShininess = shininess; -material.specularStrength = specularStrength;`,bv=`varying vec3 vViewPosition; +material.specularStrength = specularStrength;`,E_=`varying vec3 vViewPosition; struct BlinnPhongMaterial { vec3 diffuseColor; vec3 specularColor; float specularShininess; float specularStrength; }; -void RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) { - float dotNL = saturate( dot( geometry.normal, directLight.direction ) ); +void RE_Direct_BlinnPhong( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) { + float dotNL = saturate( dot( geometryNormal, directLight.direction ) ); vec3 irradiance = dotNL * directLight.color; reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); - reflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularShininess ) * material.specularStrength; + reflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength; } -void RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) { +void RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) { reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); } #define RE_Direct RE_Direct_BlinnPhong -#define RE_IndirectDiffuse RE_IndirectDiffuse_BlinnPhong -#define Material_LightProbeLOD( material ) (0)`,Av=`PhysicalMaterial material; +#define RE_IndirectDiffuse RE_IndirectDiffuse_BlinnPhong`,M_=`PhysicalMaterial material; material.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor ); -vec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) ); +vec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) ); float geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z ); material.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness; material.roughness = min( material.roughness, 1.0 ); #ifdef IOR - #ifdef SPECULAR + material.ior = ior; + #ifdef USE_SPECULAR float specularIntensityFactor = specularIntensity; vec3 specularColorFactor = specularColor; - #ifdef USE_SPECULARINTENSITYMAP - specularIntensityFactor *= texture2D( specularIntensityMap, vUv ).a; + #ifdef USE_SPECULAR_COLORMAP + specularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb; #endif - #ifdef USE_SPECULARCOLORMAP - specularColorFactor *= specularColorMapTexelToLinear( texture2D( specularColorMap, vUv ) ).rgb; + #ifdef USE_SPECULAR_INTENSITYMAP + specularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a; #endif material.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor ); #else @@ -889,7 +875,7 @@ material.roughness = min( material.roughness, 1.0 ); vec3 specularColorFactor = vec3( 1.0 ); material.specularF90 = 1.0; #endif - material.specularColor = mix( min( pow2( ( ior - 1.0 ) / ( ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor ); + material.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor ); #else material.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor ); material.specularF90 = 1.0; @@ -900,41 +886,257 @@ material.roughness = min( material.roughness, 1.0 ); material.clearcoatF0 = vec3( 0.04 ); material.clearcoatF90 = 1.0; #ifdef USE_CLEARCOATMAP - material.clearcoat *= texture2D( clearcoatMap, vUv ).x; + material.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x; #endif #ifdef USE_CLEARCOAT_ROUGHNESSMAP - material.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y; + material.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y; #endif material.clearcoat = saturate( material.clearcoat ); material.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 ); material.clearcoatRoughness += geometryRoughness; material.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 ); #endif -#ifdef USE_SHEEN - material.sheenColor = sheenColor; - #ifdef USE_SHEENCOLORMAP - material.sheenColor *= sheenColorMapTexelToLinear( texture2D( sheenColorMap, vUv ) ).rgb; - #endif - material.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 ); - #ifdef USE_SHEENROUGHNESSMAP - material.sheenRoughness *= texture2D( sheenRoughnessMap, vUv ).a; - #endif -#endif`,Ev=`struct PhysicalMaterial { - vec3 diffuseColor; - float roughness; - vec3 specularColor; - float specularF90; - #ifdef USE_CLEARCOAT - float clearcoat; - float clearcoatRoughness; - vec3 clearcoatF0; - float clearcoatF90; - #endif - #ifdef USE_SHEEN - vec3 sheenColor; - float sheenRoughness; - #endif -}; -vec3 clearcoatSpecular = vec3( 0.0 ); +#ifdef USE_DISPERSION + material.dispersion = dispersion; +#endif +#ifdef USE_IRIDESCENCE + material.iridescence = iridescence; + material.iridescenceIOR = iridescenceIOR; + #ifdef USE_IRIDESCENCEMAP + material.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r; + #endif + #ifdef USE_IRIDESCENCE_THICKNESSMAP + material.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum; + #else + material.iridescenceThickness = iridescenceThicknessMaximum; + #endif +#endif +#ifdef USE_SHEEN + material.sheenColor = sheenColor; + #ifdef USE_SHEEN_COLORMAP + material.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb; + #endif + material.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 ); + #ifdef USE_SHEEN_ROUGHNESSMAP + material.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a; + #endif +#endif +#ifdef USE_ANISOTROPY + #ifdef USE_ANISOTROPYMAP + mat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x ); + vec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb; + vec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b; + #else + vec2 anisotropyV = anisotropyVector; + #endif + material.anisotropy = length( anisotropyV ); + if( material.anisotropy == 0.0 ) { + anisotropyV = vec2( 1.0, 0.0 ); + } else { + anisotropyV /= material.anisotropy; + material.anisotropy = saturate( material.anisotropy ); + } + material.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) ); + material.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y; + material.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y; +#endif`,b_=`struct PhysicalMaterial { + vec3 diffuseColor; + float roughness; + vec3 specularColor; + float specularF90; + float dispersion; + #ifdef USE_CLEARCOAT + float clearcoat; + float clearcoatRoughness; + vec3 clearcoatF0; + float clearcoatF90; + #endif + #ifdef USE_IRIDESCENCE + float iridescence; + float iridescenceIOR; + float iridescenceThickness; + vec3 iridescenceFresnel; + vec3 iridescenceF0; + #endif + #ifdef USE_SHEEN + vec3 sheenColor; + float sheenRoughness; + #endif + #ifdef IOR + float ior; + #endif + #ifdef USE_TRANSMISSION + float transmission; + float transmissionAlpha; + float thickness; + float attenuationDistance; + vec3 attenuationColor; + #endif + #ifdef USE_ANISOTROPY + float anisotropy; + float alphaT; + vec3 anisotropyT; + vec3 anisotropyB; + #endif +}; +vec3 clearcoatSpecularDirect = vec3( 0.0 ); +vec3 clearcoatSpecularIndirect = vec3( 0.0 ); +vec3 sheenSpecularDirect = vec3( 0.0 ); +vec3 sheenSpecularIndirect = vec3(0.0 ); +vec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) { + float x = clamp( 1.0 - dotVH, 0.0, 1.0 ); + float x2 = x * x; + float x5 = clamp( x * x2 * x2, 0.0, 0.9999 ); + return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 ); +} +float V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) { + float a2 = pow2( alpha ); + float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) ); + float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) ); + return 0.5 / max( gv + gl, EPSILON ); +} +float D_GGX( const in float alpha, const in float dotNH ) { + float a2 = pow2( alpha ); + float denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0; + return RECIPROCAL_PI * a2 / pow2( denom ); +} +#ifdef USE_ANISOTROPY + float V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) { + float gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) ); + float gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) ); + float v = 0.5 / ( gv + gl ); + return saturate(v); + } + float D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) { + float a2 = alphaT * alphaB; + highp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH ); + highp float v2 = dot( v, v ); + float w2 = a2 / v2; + return RECIPROCAL_PI * a2 * pow2 ( w2 ); + } +#endif +#ifdef USE_CLEARCOAT + vec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) { + vec3 f0 = material.clearcoatF0; + float f90 = material.clearcoatF90; + float roughness = material.clearcoatRoughness; + float alpha = pow2( roughness ); + vec3 halfDir = normalize( lightDir + viewDir ); + float dotNL = saturate( dot( normal, lightDir ) ); + float dotNV = saturate( dot( normal, viewDir ) ); + float dotNH = saturate( dot( normal, halfDir ) ); + float dotVH = saturate( dot( viewDir, halfDir ) ); + vec3 F = F_Schlick( f0, f90, dotVH ); + float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV ); + float D = D_GGX( alpha, dotNH ); + return F * ( V * D ); + } +#endif +vec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) { + vec3 f0 = material.specularColor; + float f90 = material.specularF90; + float roughness = material.roughness; + float alpha = pow2( roughness ); + vec3 halfDir = normalize( lightDir + viewDir ); + float dotNL = saturate( dot( normal, lightDir ) ); + float dotNV = saturate( dot( normal, viewDir ) ); + float dotNH = saturate( dot( normal, halfDir ) ); + float dotVH = saturate( dot( viewDir, halfDir ) ); + vec3 F = F_Schlick( f0, f90, dotVH ); + #ifdef USE_IRIDESCENCE + F = mix( F, material.iridescenceFresnel, material.iridescence ); + #endif + #ifdef USE_ANISOTROPY + float dotTL = dot( material.anisotropyT, lightDir ); + float dotTV = dot( material.anisotropyT, viewDir ); + float dotTH = dot( material.anisotropyT, halfDir ); + float dotBL = dot( material.anisotropyB, lightDir ); + float dotBV = dot( material.anisotropyB, viewDir ); + float dotBH = dot( material.anisotropyB, halfDir ); + float V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL ); + float D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH ); + #else + float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV ); + float D = D_GGX( alpha, dotNH ); + #endif + return F * ( V * D ); +} +vec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) { + const float LUT_SIZE = 64.0; + const float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE; + const float LUT_BIAS = 0.5 / LUT_SIZE; + float dotNV = saturate( dot( N, V ) ); + vec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) ); + uv = uv * LUT_SCALE + LUT_BIAS; + return uv; +} +float LTC_ClippedSphereFormFactor( const in vec3 f ) { + float l = length( f ); + return max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 ); +} +vec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) { + float x = dot( v1, v2 ); + float y = abs( x ); + float a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y; + float b = 3.4175940 + ( 4.1616724 + y ) * y; + float v = a / b; + float theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v; + return cross( v1, v2 ) * theta_sintheta; +} +vec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) { + vec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ]; + vec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ]; + vec3 lightNormal = cross( v1, v2 ); + if( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 ); + vec3 T1, T2; + T1 = normalize( V - N * dot( V, N ) ); + T2 = - cross( N, T1 ); + mat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) ); + vec3 coords[ 4 ]; + coords[ 0 ] = mat * ( rectCoords[ 0 ] - P ); + coords[ 1 ] = mat * ( rectCoords[ 1 ] - P ); + coords[ 2 ] = mat * ( rectCoords[ 2 ] - P ); + coords[ 3 ] = mat * ( rectCoords[ 3 ] - P ); + coords[ 0 ] = normalize( coords[ 0 ] ); + coords[ 1 ] = normalize( coords[ 1 ] ); + coords[ 2 ] = normalize( coords[ 2 ] ); + coords[ 3 ] = normalize( coords[ 3 ] ); + vec3 vectorFormFactor = vec3( 0.0 ); + vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] ); + vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] ); + vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] ); + vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] ); + float result = LTC_ClippedSphereFormFactor( vectorFormFactor ); + return vec3( result ); +} +#if defined( USE_SHEEN ) +float D_Charlie( float roughness, float dotNH ) { + float alpha = pow2( roughness ); + float invAlpha = 1.0 / alpha; + float cos2h = dotNH * dotNH; + float sin2h = max( 1.0 - cos2h, 0.0078125 ); + return ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI ); +} +float V_Neubelt( float dotNV, float dotNL ) { + return saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) ); +} +vec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) { + vec3 halfDir = normalize( lightDir + viewDir ); + float dotNL = saturate( dot( normal, lightDir ) ); + float dotNV = saturate( dot( normal, viewDir ) ); + float dotNH = saturate( dot( normal, halfDir ) ); + float D = D_Charlie( sheenRoughness, dotNH ); + float V = V_Neubelt( dotNV, dotNL ); + return sheenColor * ( D * V ); +} +#endif +float IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) { + float dotNV = saturate( dot( normal, viewDir ) ); + float r2 = roughness * roughness; + float a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95; + float b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72; + float DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) ); + return saturate( DG * RECIPROCAL_PI ); +} vec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) { float dotNV = saturate( dot( normal, viewDir ) ); const vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 ); @@ -948,20 +1150,29 @@ vec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 vec2 fab = DFGApprox( normal, viewDir, roughness ); return specularColor * fab.x + specularF90 * fab.y; } +#ifdef USE_IRIDESCENCE +void computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) { +#else void computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) { +#endif vec2 fab = DFGApprox( normal, viewDir, roughness ); - vec3 FssEss = specularColor * fab.x + specularF90 * fab.y; + #ifdef USE_IRIDESCENCE + vec3 Fr = mix( specularColor, iridescenceF0, iridescence ); + #else + vec3 Fr = specularColor; + #endif + vec3 FssEss = Fr * fab.x + specularF90 * fab.y; float Ess = fab.x + fab.y; float Ems = 1.0 - Ess; - vec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619; vec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg ); + vec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619; vec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg ); singleScatter += FssEss; multiScatter += Fms * Ems; } #if NUM_RECT_AREA_LIGHTS > 0 - void RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) { - vec3 normal = geometry.normal; - vec3 viewDir = geometry.viewDir; - vec3 position = geometry.position; + void RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) { + vec3 normal = geometryNormal; + vec3 viewDir = geometryViewDir; + vec3 position = geometryPosition; vec3 lightPos = rectAreaLight.position; vec3 halfWidth = rectAreaLight.halfWidth; vec3 halfHeight = rectAreaLight.halfHeight; @@ -984,32 +1195,40 @@ void computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const reflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords ); } #endif -void RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) { - float dotNL = saturate( dot( geometry.normal, directLight.direction ) ); +void RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) { + float dotNL = saturate( dot( geometryNormal, directLight.direction ) ); vec3 irradiance = dotNL * directLight.color; #ifdef USE_CLEARCOAT - float dotNLcc = saturate( dot( geometry.clearcoatNormal, directLight.direction ) ); + float dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) ); vec3 ccIrradiance = dotNLcc * directLight.color; - clearcoatSpecular += ccIrradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.clearcoatNormal, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness ); + clearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material ); #endif #ifdef USE_SHEEN - reflectedLight.directSpecular += irradiance * BRDF_Sheen( directLight.direction, geometry.viewDir, geometry.normal, material.sheenColor, material.sheenRoughness ); + sheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness ); #endif - reflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.roughness ); + reflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometryViewDir, geometryNormal, material ); reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); } -void RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) { +void RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) { reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); } -void RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) { +void RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) { #ifdef USE_CLEARCOAT - clearcoatSpecular += clearcoatRadiance * EnvironmentBRDF( geometry.clearcoatNormal, geometry.viewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness ); + clearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness ); + #endif + #ifdef USE_SHEEN + sheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness ); #endif vec3 singleScattering = vec3( 0.0 ); vec3 multiScattering = vec3( 0.0 ); vec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI; - computeMultiscattering( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering ); - vec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) ); + #ifdef USE_IRIDESCENCE + computeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering ); + #else + computeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering ); + #endif + vec3 totalScattering = singleScattering + multiScattering; + vec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) ); reflectedLight.indirectSpecular += radiance * singleScattering; reflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance; reflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance; @@ -1020,13 +1239,25 @@ void RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradia #define RE_IndirectSpecular RE_IndirectSpecular_Physical float computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) { return saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion ); -}`,Mv=` -GeometricContext geometry; -geometry.position = - vViewPosition; -geometry.normal = normal; -geometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition ); +}`,T_=` +vec3 geometryPosition = - vViewPosition; +vec3 geometryNormal = normal; +vec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition ); +vec3 geometryClearcoatNormal = vec3( 0.0 ); #ifdef USE_CLEARCOAT - geometry.clearcoatNormal = clearcoatNormal; + geometryClearcoatNormal = clearcoatNormal; +#endif +#ifdef USE_IRIDESCENCE + float dotNVi = saturate( dot( normal, geometryViewDir ) ); + if ( material.iridescenceThickness == 0.0 ) { + material.iridescence = 0.0; + } else { + material.iridescence = saturate( material.iridescence ); + } + if ( material.iridescence > 0.0 ) { + material.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor ); + material.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi ); + } #endif IncidentLight directLight; #if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct ) @@ -1037,29 +1268,46 @@ IncidentLight directLight; #pragma unroll_loop_start for ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) { pointLight = pointLights[ i ]; - getPointLightInfo( pointLight, geometry, directLight ); + getPointLightInfo( pointLight, geometryPosition, directLight ); #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS ) pointLightShadow = pointLightShadows[ i ]; - directLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0; + directLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowIntensity, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0; #endif - RE_Direct( directLight, geometry, material, reflectedLight ); + RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); } #pragma unroll_loop_end #endif #if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct ) SpotLight spotLight; + vec4 spotColor; + vec3 spotLightCoord; + bool inSpotLightMap; #if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0 SpotLightShadow spotLightShadow; #endif #pragma unroll_loop_start for ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) { spotLight = spotLights[ i ]; - getSpotLightInfo( spotLight, geometry, directLight ); + getSpotLightInfo( spotLight, geometryPosition, directLight ); + #if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS ) + #define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX + #elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS ) + #define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS + #else + #define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS ) + #endif + #if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS ) + spotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w; + inSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) ); + spotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy ); + directLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color; + #endif + #undef SPOT_LIGHT_MAP_INDEX #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS ) spotLightShadow = spotLightShadows[ i ]; - directLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0; + directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowIntensity, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0; #endif - RE_Direct( directLight, geometry, material, reflectedLight ); + RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); } #pragma unroll_loop_end #endif @@ -1071,12 +1319,12 @@ IncidentLight directLight; #pragma unroll_loop_start for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) { directionalLight = directionalLights[ i ]; - getDirectionalLightInfo( directionalLight, geometry, directLight ); + getDirectionalLightInfo( directionalLight, directLight ); #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS ) directionalLightShadow = directionalLightShadows[ i ]; - directLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0; + directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowIntensity, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0; #endif - RE_Direct( directLight, geometry, material, reflectedLight ); + RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); } #pragma unroll_loop_end #endif @@ -1085,18 +1333,20 @@ IncidentLight directLight; #pragma unroll_loop_start for ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) { rectAreaLight = rectAreaLights[ i ]; - RE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight ); + RE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); } #pragma unroll_loop_end #endif #if defined( RE_IndirectDiffuse ) vec3 iblIrradiance = vec3( 0.0 ); vec3 irradiance = getAmbientLightIrradiance( ambientLightColor ); - irradiance += getLightProbeIrradiance( lightProbe, geometry.normal ); + #if defined( USE_LIGHT_PROBES ) + irradiance += getLightProbeIrradiance( lightProbe, geometryNormal ); + #endif #if ( NUM_HEMI_LIGHTS > 0 ) #pragma unroll_loop_start for ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) { - irradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal ); + irradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal ); } #pragma unroll_loop_end #endif @@ -1104,159 +1354,162 @@ IncidentLight directLight; #if defined( RE_IndirectSpecular ) vec3 radiance = vec3( 0.0 ); vec3 clearcoatRadiance = vec3( 0.0 ); -#endif`,Sv=`#if defined( RE_IndirectDiffuse ) +#endif`,w_=`#if defined( RE_IndirectDiffuse ) #ifdef USE_LIGHTMAP - vec4 lightMapTexel = texture2D( lightMap, vUv2 ); - vec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity; - #ifndef PHYSICALLY_CORRECT_LIGHTS - lightMapIrradiance *= PI; - #endif + vec4 lightMapTexel = texture2D( lightMap, vLightMapUv ); + vec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity; irradiance += lightMapIrradiance; #endif #if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV ) - iblIrradiance += getIBLIrradiance( geometry.normal ); + iblIrradiance += getIBLIrradiance( geometryNormal ); #endif #endif #if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular ) - radiance += getIBLRadiance( geometry.viewDir, geometry.normal, material.roughness ); + #ifdef USE_ANISOTROPY + radiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy ); + #else + radiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness ); + #endif #ifdef USE_CLEARCOAT - clearcoatRadiance += getIBLRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness ); + clearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness ); #endif -#endif`,_v=`#if defined( RE_IndirectDiffuse ) - RE_IndirectDiffuse( irradiance, geometry, material, reflectedLight ); +#endif`,C_=`#if defined( RE_IndirectDiffuse ) + RE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); #endif #if defined( RE_IndirectSpecular ) - RE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight ); -#endif`,Tv=`#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT ) - gl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5; -#endif`,Cv=`#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT ) + RE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); +#endif`,R_=`#if defined( USE_LOGDEPTHBUF ) + gl_FragDepth = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5; +#endif`,D_=`#if defined( USE_LOGDEPTHBUF ) uniform float logDepthBufFC; varying float vFragDepth; varying float vIsPerspective; -#endif`,Dv=`#ifdef USE_LOGDEPTHBUF - #ifdef USE_LOGDEPTHBUF_EXT - varying float vFragDepth; - varying float vIsPerspective; - #else - uniform float logDepthBufFC; +#endif`,P_=`#ifdef USE_LOGDEPTHBUF + varying float vFragDepth; + varying float vIsPerspective; +#endif`,I_=`#ifdef USE_LOGDEPTHBUF + vFragDepth = 1.0 + gl_Position.w; + vIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) ); +#endif`,U_=`#ifdef USE_MAP + vec4 sampledDiffuseColor = texture2D( map, vMapUv ); + #ifdef DECODE_VIDEO_TEXTURE + sampledDiffuseColor = sRGBTransferEOTF( sampledDiffuseColor ); #endif -#endif`,Rv=`#ifdef USE_LOGDEPTHBUF - #ifdef USE_LOGDEPTHBUF_EXT - vFragDepth = 1.0 + gl_Position.w; - vIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) ); + diffuseColor *= sampledDiffuseColor; +#endif`,L_=`#ifdef USE_MAP + uniform sampler2D map; +#endif`,B_=`#if defined( USE_MAP ) || defined( USE_ALPHAMAP ) + #if defined( USE_POINTS_UV ) + vec2 uv = vUv; #else - if ( isPerspectiveMatrix( projectionMatrix ) ) { - gl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0; - gl_Position.z *= gl_Position.w; - } + vec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy; #endif -#endif`,Pv=`#ifdef USE_MAP - vec4 texelColor = texture2D( map, vUv ); - texelColor = mapTexelToLinear( texelColor ); - diffuseColor *= texelColor; -#endif`,Lv=`#ifdef USE_MAP - uniform sampler2D map; -#endif`,Iv=`#if defined( USE_MAP ) || defined( USE_ALPHAMAP ) - vec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy; #endif #ifdef USE_MAP - vec4 mapTexel = texture2D( map, uv ); - diffuseColor *= mapTexelToLinear( mapTexel ); + diffuseColor *= texture2D( map, uv ); #endif #ifdef USE_ALPHAMAP diffuseColor.a *= texture2D( alphaMap, uv ).g; -#endif`,Bv=`#if defined( USE_MAP ) || defined( USE_ALPHAMAP ) - uniform mat3 uvTransform; +#endif`,O_=`#if defined( USE_POINTS_UV ) + varying vec2 vUv; +#else + #if defined( USE_MAP ) || defined( USE_ALPHAMAP ) + uniform mat3 uvTransform; + #endif #endif #ifdef USE_MAP uniform sampler2D map; #endif #ifdef USE_ALPHAMAP uniform sampler2D alphaMap; -#endif`,Uv=`float metalnessFactor = metalness; +#endif`,N_=`float metalnessFactor = metalness; #ifdef USE_METALNESSMAP - vec4 texelMetalness = texture2D( metalnessMap, vUv ); + vec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv ); metalnessFactor *= texelMetalness.b; -#endif`,Fv=`#ifdef USE_METALNESSMAP +#endif`,F_=`#ifdef USE_METALNESSMAP uniform sampler2D metalnessMap; -#endif`,Ov=`#ifdef USE_MORPHNORMALS +#endif`,H_=`#ifdef USE_INSTANCING_MORPH + float morphTargetInfluences[ MORPHTARGETS_COUNT ]; + float morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r; + for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) { + morphTargetInfluences[i] = texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r; + } +#endif`,z_=`#if defined( USE_MORPHCOLORS ) + vColor *= morphTargetBaseInfluence; + for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) { + #if defined( USE_COLOR_ALPHA ) + if ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ]; + #elif defined( USE_COLOR ) + if ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ]; + #endif + } +#endif`,k_=`#ifdef USE_MORPHNORMALS objectNormal *= morphTargetBaseInfluence; - #ifdef MORPHTARGETS_TEXTURE - for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) { - if ( morphTargetInfluences[ i ] > 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1, 2 ) * morphTargetInfluences[ i ]; - } - #else - objectNormal += morphNormal0 * morphTargetInfluences[ 0 ]; - objectNormal += morphNormal1 * morphTargetInfluences[ 1 ]; - objectNormal += morphNormal2 * morphTargetInfluences[ 2 ]; - objectNormal += morphNormal3 * morphTargetInfluences[ 3 ]; - #endif -#endif`,Nv=`#ifdef USE_MORPHTARGETS - uniform float morphTargetBaseInfluence; - #ifdef MORPHTARGETS_TEXTURE + for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) { + if ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ]; + } +#endif`,G_=`#ifdef USE_MORPHTARGETS + #ifndef USE_INSTANCING_MORPH + uniform float morphTargetBaseInfluence; uniform float morphTargetInfluences[ MORPHTARGETS_COUNT ]; - uniform sampler2DArray morphTargetsTexture; - uniform vec2 morphTargetsTextureSize; - vec3 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset, const in int stride ) { - float texelIndex = float( vertexIndex * stride + offset ); - float y = floor( texelIndex / morphTargetsTextureSize.x ); - float x = texelIndex - y * morphTargetsTextureSize.x; - vec3 morphUV = vec3( ( x + 0.5 ) / morphTargetsTextureSize.x, y / morphTargetsTextureSize.y, morphTargetIndex ); - return texture( morphTargetsTexture, morphUV ).xyz; - } - #else - #ifndef USE_MORPHNORMALS - uniform float morphTargetInfluences[ 8 ]; - #else - uniform float morphTargetInfluences[ 4 ]; - #endif #endif -#endif`,Hv=`#ifdef USE_MORPHTARGETS + uniform sampler2DArray morphTargetsTexture; + uniform ivec2 morphTargetsTextureSize; + vec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) { + int texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset; + int y = texelIndex / morphTargetsTextureSize.x; + int x = texelIndex - y * morphTargetsTextureSize.x; + ivec3 morphUV = ivec3( x, y, morphTargetIndex ); + return texelFetch( morphTargetsTexture, morphUV, 0 ); + } +#endif`,V_=`#ifdef USE_MORPHTARGETS transformed *= morphTargetBaseInfluence; - #ifdef MORPHTARGETS_TEXTURE - for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) { - #ifndef USE_MORPHNORMALS - if ( morphTargetInfluences[ i ] > 0.0 ) transformed += getMorph( gl_VertexID, i, 0, 1 ) * morphTargetInfluences[ i ]; - #else - if ( morphTargetInfluences[ i ] > 0.0 ) transformed += getMorph( gl_VertexID, i, 0, 2 ) * morphTargetInfluences[ i ]; - #endif - } - #else - transformed += morphTarget0 * morphTargetInfluences[ 0 ]; - transformed += morphTarget1 * morphTargetInfluences[ 1 ]; - transformed += morphTarget2 * morphTargetInfluences[ 2 ]; - transformed += morphTarget3 * morphTargetInfluences[ 3 ]; - #ifndef USE_MORPHNORMALS - transformed += morphTarget4 * morphTargetInfluences[ 4 ]; - transformed += morphTarget5 * morphTargetInfluences[ 5 ]; - transformed += morphTarget6 * morphTargetInfluences[ 6 ]; - transformed += morphTarget7 * morphTargetInfluences[ 7 ]; - #endif - #endif -#endif`,zv=`float faceDirection = gl_FrontFacing ? 1.0 : - 1.0; + for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) { + if ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ]; + } +#endif`,W_=`float faceDirection = gl_FrontFacing ? 1.0 : - 1.0; #ifdef FLAT_SHADED - vec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) ); - vec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) ); + vec3 fdx = dFdx( vViewPosition ); + vec3 fdy = dFdy( vViewPosition ); vec3 normal = normalize( cross( fdx, fdy ) ); #else vec3 normal = normalize( vNormal ); #ifdef DOUBLE_SIDED - normal = normal * faceDirection; + normal *= faceDirection; #endif +#endif +#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) #ifdef USE_TANGENT - vec3 tangent = normalize( vTangent ); - vec3 bitangent = normalize( vBitangent ); - #ifdef DOUBLE_SIDED - tangent = tangent * faceDirection; - bitangent = bitangent * faceDirection; - #endif - #if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP ) - mat3 vTBN = mat3( tangent, bitangent, normal ); + mat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal ); + #else + mat3 tbn = getTangentFrame( - vViewPosition, normal, + #if defined( USE_NORMALMAP ) + vNormalMapUv + #elif defined( USE_CLEARCOAT_NORMALMAP ) + vClearcoatNormalMapUv + #else + vUv #endif + ); + #endif + #if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED ) + tbn[0] *= faceDirection; + tbn[1] *= faceDirection; + #endif +#endif +#ifdef USE_CLEARCOAT_NORMALMAP + #ifdef USE_TANGENT + mat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal ); + #else + mat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv ); + #endif + #if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED ) + tbn2[0] *= faceDirection; + tbn2[1] *= faceDirection; #endif #endif -vec3 geometryNormal = normal;`,Gv=`#ifdef OBJECTSPACE_NORMALMAP - normal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0; +vec3 nonPerturbedNormal = normal;`,X_=`#ifdef USE_NORMALMAP_OBJECTSPACE + normal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0; #ifdef FLIP_SIDED normal = - normal; #endif @@ -1264,143 +1517,184 @@ vec3 geometryNormal = normal;`,Gv=`#ifdef OBJECTSPACE_NORMALMAP normal = normal * faceDirection; #endif normal = normalize( normalMatrix * normal ); -#elif defined( TANGENTSPACE_NORMALMAP ) - vec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0; +#elif defined( USE_NORMALMAP_TANGENTSPACE ) + vec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0; mapN.xy *= normalScale; - #ifdef USE_TANGENT - normal = normalize( vTBN * mapN ); - #else - normal = perturbNormal2Arb( - vViewPosition, normal, mapN, faceDirection ); - #endif + normal = normalize( tbn * mapN ); #elif defined( USE_BUMPMAP ) normal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection ); -#endif`,kv=`#ifndef FLAT_SHADED +#endif`,Y_=`#ifndef FLAT_SHADED varying vec3 vNormal; #ifdef USE_TANGENT varying vec3 vTangent; varying vec3 vBitangent; #endif -#endif`,Vv=`#ifndef FLAT_SHADED +#endif`,j_=`#ifndef FLAT_SHADED varying vec3 vNormal; #ifdef USE_TANGENT varying vec3 vTangent; varying vec3 vBitangent; #endif -#endif`,Wv=`#ifndef FLAT_SHADED +#endif`,q_=`#ifndef FLAT_SHADED vNormal = normalize( transformedNormal ); #ifdef USE_TANGENT vTangent = normalize( transformedTangent ); vBitangent = normalize( cross( vNormal, vTangent ) * tangent.w ); #endif -#endif`,Yv=`#ifdef USE_NORMALMAP +#endif`,Z_=`#ifdef USE_NORMALMAP uniform sampler2D normalMap; uniform vec2 normalScale; #endif -#ifdef OBJECTSPACE_NORMALMAP +#ifdef USE_NORMALMAP_OBJECTSPACE uniform mat3 normalMatrix; #endif -#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) ) - vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN, float faceDirection ) { - vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) ); - vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) ); - vec2 st0 = dFdx( vUv.st ); - vec2 st1 = dFdy( vUv.st ); +#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) ) + mat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) { + vec3 q0 = dFdx( eye_pos.xyz ); + vec3 q1 = dFdy( eye_pos.xyz ); + vec2 st0 = dFdx( uv.st ); + vec2 st1 = dFdy( uv.st ); vec3 N = surf_norm; vec3 q1perp = cross( q1, N ); vec3 q0perp = cross( N, q0 ); vec3 T = q1perp * st0.x + q0perp * st1.x; vec3 B = q1perp * st0.y + q0perp * st1.y; float det = max( dot( T, T ), dot( B, B ) ); - float scale = ( det == 0.0 ) ? 0.0 : faceDirection * inversesqrt( det ); - return normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z ); + float scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det ); + return mat3( T * scale, B * scale, N ); } -#endif`,jv=`#ifdef USE_CLEARCOAT - vec3 clearcoatNormal = geometryNormal; -#endif`,Xv=`#ifdef USE_CLEARCOAT_NORMALMAP - vec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0; +#endif`,Q_=`#ifdef USE_CLEARCOAT + vec3 clearcoatNormal = nonPerturbedNormal; +#endif`,K_=`#ifdef USE_CLEARCOAT_NORMALMAP + vec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0; clearcoatMapN.xy *= clearcoatNormalScale; - #ifdef USE_TANGENT - clearcoatNormal = normalize( vTBN * clearcoatMapN ); - #else - clearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection ); - #endif -#endif`,Qv=`#ifdef USE_CLEARCOATMAP + clearcoatNormal = normalize( tbn2 * clearcoatMapN ); +#endif`,J_=`#ifdef USE_CLEARCOATMAP uniform sampler2D clearcoatMap; #endif -#ifdef USE_CLEARCOAT_ROUGHNESSMAP - uniform sampler2D clearcoatRoughnessMap; -#endif #ifdef USE_CLEARCOAT_NORMALMAP uniform sampler2D clearcoatNormalMap; uniform vec2 clearcoatNormalScale; -#endif`,qv=`#ifdef OPAQUE +#endif +#ifdef USE_CLEARCOAT_ROUGHNESSMAP + uniform sampler2D clearcoatRoughnessMap; +#endif`,$_=`#ifdef USE_IRIDESCENCEMAP + uniform sampler2D iridescenceMap; +#endif +#ifdef USE_IRIDESCENCE_THICKNESSMAP + uniform sampler2D iridescenceThicknessMap; +#endif`,ey=`#ifdef OPAQUE diffuseColor.a = 1.0; #endif #ifdef USE_TRANSMISSION -diffuseColor.a *= transmissionAlpha + 0.1; +diffuseColor.a *= material.transmissionAlpha; #endif -gl_FragColor = vec4( outgoingLight, diffuseColor.a );`,Zv=`vec3 packNormalToRGB( const in vec3 normal ) { +gl_FragColor = vec4( outgoingLight, diffuseColor.a );`,ty=`vec3 packNormalToRGB( const in vec3 normal ) { return normalize( normal ) * 0.5 + 0.5; } vec3 unpackRGBToNormal( const in vec3 rgb ) { return 2.0 * rgb.xyz - 1.0; } -const float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.; -const vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. ); -const vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. ); -const float ShiftRight8 = 1. / 256.; +const float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;const float ShiftRight8 = 1. / 256.; +const float Inv255 = 1. / 255.; +const vec4 PackFactors = vec4( 1.0, 256.0, 256.0 * 256.0, 256.0 * 256.0 * 256.0 ); +const vec2 UnpackFactors2 = vec2( UnpackDownscale, 1.0 / PackFactors.g ); +const vec3 UnpackFactors3 = vec3( UnpackDownscale / PackFactors.rg, 1.0 / PackFactors.b ); +const vec4 UnpackFactors4 = vec4( UnpackDownscale / PackFactors.rgb, 1.0 / PackFactors.a ); vec4 packDepthToRGBA( const in float v ) { - vec4 r = vec4( fract( v * PackFactors ), v ); - r.yzw -= r.xyz * ShiftRight8; return r * PackUpscale; + if( v <= 0.0 ) + return vec4( 0., 0., 0., 0. ); + if( v >= 1.0 ) + return vec4( 1., 1., 1., 1. ); + float vuf; + float af = modf( v * PackFactors.a, vuf ); + float bf = modf( vuf * ShiftRight8, vuf ); + float gf = modf( vuf * ShiftRight8, vuf ); + return vec4( vuf * Inv255, gf * PackUpscale, bf * PackUpscale, af ); +} +vec3 packDepthToRGB( const in float v ) { + if( v <= 0.0 ) + return vec3( 0., 0., 0. ); + if( v >= 1.0 ) + return vec3( 1., 1., 1. ); + float vuf; + float bf = modf( v * PackFactors.b, vuf ); + float gf = modf( vuf * ShiftRight8, vuf ); + return vec3( vuf * Inv255, gf * PackUpscale, bf ); +} +vec2 packDepthToRG( const in float v ) { + if( v <= 0.0 ) + return vec2( 0., 0. ); + if( v >= 1.0 ) + return vec2( 1., 1. ); + float vuf; + float gf = modf( v * 256., vuf ); + return vec2( vuf * Inv255, gf ); } float unpackRGBAToDepth( const in vec4 v ) { - return dot( v, UnpackFactors ); + return dot( v, UnpackFactors4 ); } -vec4 pack2HalfToRGBA( vec2 v ) { +float unpackRGBToDepth( const in vec3 v ) { + return dot( v, UnpackFactors3 ); +} +float unpackRGToDepth( const in vec2 v ) { + return v.r * UnpackFactors2.r + v.g * UnpackFactors2.g; +} +vec4 pack2HalfToRGBA( const in vec2 v ) { vec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) ); return vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w ); } -vec2 unpackRGBATo2Half( vec4 v ) { +vec2 unpackRGBATo2Half( const in vec4 v ) { return vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) ); } float viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) { return ( viewZ + near ) / ( near - far ); } -float orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) { - return linearClipZ * ( near - far ) - near; +float orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) { + return depth * ( near - far ) - near; } float viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) { return ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ ); } -float perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) { - return ( near * far ) / ( ( far - near ) * invClipZ - far ); -}`,Jv=`#ifdef PREMULTIPLIED_ALPHA +float perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) { + return ( near * far ) / ( ( far - near ) * depth - far ); +}`,iy=`#ifdef PREMULTIPLIED_ALPHA gl_FragColor.rgb *= gl_FragColor.a; -#endif`,Kv=`vec4 mvPosition = vec4( transformed, 1.0 ); +#endif`,ny=`vec4 mvPosition = vec4( transformed, 1.0 ); +#ifdef USE_BATCHING + mvPosition = batchingMatrix * mvPosition; +#endif #ifdef USE_INSTANCING mvPosition = instanceMatrix * mvPosition; #endif mvPosition = modelViewMatrix * mvPosition; -gl_Position = projectionMatrix * mvPosition;`,$v=`#ifdef DITHERING +gl_Position = projectionMatrix * mvPosition;`,ry=`#ifdef DITHERING gl_FragColor.rgb = dithering( gl_FragColor.rgb ); -#endif`,e0=`#ifdef DITHERING +#endif`,sy=`#ifdef DITHERING vec3 dithering( vec3 color ) { float grid_position = rand( gl_FragCoord.xy ); vec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 ); dither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position ); return color + dither_shift_RGB; } -#endif`,t0=`float roughnessFactor = roughness; +#endif`,ay=`float roughnessFactor = roughness; #ifdef USE_ROUGHNESSMAP - vec4 texelRoughness = texture2D( roughnessMap, vUv ); + vec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv ); roughnessFactor *= texelRoughness.g; -#endif`,n0=`#ifdef USE_ROUGHNESSMAP +#endif`,oy=`#ifdef USE_ROUGHNESSMAP uniform sampler2D roughnessMap; -#endif`,i0=`#ifdef USE_SHADOWMAP +#endif`,ly=`#if NUM_SPOT_LIGHT_COORDS > 0 + varying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ]; +#endif +#if NUM_SPOT_LIGHT_MAPS > 0 + uniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ]; +#endif +#ifdef USE_SHADOWMAP #if NUM_DIR_LIGHT_SHADOWS > 0 uniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ]; varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ]; struct DirectionalLightShadow { + float shadowIntensity; float shadowBias; float shadowNormalBias; float shadowRadius; @@ -1410,8 +1704,8 @@ gl_Position = projectionMatrix * mvPosition;`,$v=`#ifdef DITHERING #endif #if NUM_SPOT_LIGHT_SHADOWS > 0 uniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ]; - varying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ]; struct SpotLightShadow { + float shadowIntensity; float shadowBias; float shadowNormalBias; float shadowRadius; @@ -1423,6 +1717,7 @@ gl_Position = projectionMatrix * mvPosition;`,$v=`#ifdef DITHERING uniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ]; varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ]; struct PointLightShadow { + float shadowIntensity; float shadowBias; float shadowNormalBias; float shadowRadius; @@ -1449,14 +1744,12 @@ gl_Position = projectionMatrix * mvPosition;`,$v=`#ifdef DITHERING } return occlusion; } - float getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) { + float getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) { float shadow = 1.0; shadowCoord.xyz /= shadowCoord.w; shadowCoord.z += shadowBias; - bvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 ); - bool inFrustum = all( inFrustumVec ); - bvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 ); - bool frustumTest = all( frustumTestVec ); + bool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0; + bool frustumTest = inFrustum && shadowCoord.z <= 1.0; if ( frustumTest ) { #if defined( SHADOWMAP_TYPE_PCF ) vec2 texelSize = vec2( 1.0 ) / shadowMapSize; @@ -1499,22 +1792,22 @@ gl_Position = projectionMatrix * mvPosition;`,$v=`#ifdef DITHERING texture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) + texture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) + texture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) + - mix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), + mix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ), f.x ) + - mix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), + mix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ), f.x ) + - mix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), + mix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ), f.y ) + - mix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), + mix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ), f.y ) + - mix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), + mix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ), f.x ), - mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), + mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ), f.x ), f.y ) @@ -1525,7 +1818,7 @@ gl_Position = projectionMatrix * mvPosition;`,$v=`#ifdef DITHERING shadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ); #endif } - return shadow; + return mix( 1.0, shadow, shadowIntensity ); } vec2 cubeToUV( vec3 v, float texelSizeY ) { vec3 absV = abs( v ); @@ -1548,33 +1841,44 @@ gl_Position = projectionMatrix * mvPosition;`,$v=`#ifdef DITHERING } return vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 ); } - float getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) { - vec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) ); + float getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) { + float shadow = 1.0; vec3 lightToPosition = shadowCoord.xyz; - float dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear ); dp += shadowBias; - vec3 bd3D = normalize( lightToPosition ); - #if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM ) - vec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y; - return ( - texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) + - texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) + - texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) + - texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) + - texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) + - texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) + - texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) + - texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) + - texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp ) - ) * ( 1.0 / 9.0 ); - #else - return texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ); - #endif + + float lightToPositionLength = length( lightToPosition ); + if ( lightToPositionLength - shadowCameraFar <= 0.0 && lightToPositionLength - shadowCameraNear >= 0.0 ) { + float dp = ( lightToPositionLength - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear ); dp += shadowBias; + vec3 bd3D = normalize( lightToPosition ); + vec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) ); + #if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM ) + vec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y; + shadow = ( + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp ) + ) * ( 1.0 / 9.0 ); + #else + shadow = texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ); + #endif + } + return mix( 1.0, shadow, shadowIntensity ); } -#endif`,r0=`#ifdef USE_SHADOWMAP +#endif`,cy=`#if NUM_SPOT_LIGHT_COORDS > 0 + uniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ]; + varying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ]; +#endif +#ifdef USE_SHADOWMAP #if NUM_DIR_LIGHT_SHADOWS > 0 uniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ]; varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ]; struct DirectionalLightShadow { + float shadowIntensity; float shadowBias; float shadowNormalBias; float shadowRadius; @@ -1583,9 +1887,8 @@ gl_Position = projectionMatrix * mvPosition;`,$v=`#ifdef DITHERING uniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ]; #endif #if NUM_SPOT_LIGHT_SHADOWS > 0 - uniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ]; - varying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ]; struct SpotLightShadow { + float shadowIntensity; float shadowBias; float shadowNormalBias; float shadowRadius; @@ -1597,6 +1900,7 @@ gl_Position = projectionMatrix * mvPosition;`,$v=`#ifdef DITHERING uniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ]; varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ]; struct PointLightShadow { + float shadowIntensity; float shadowBias; float shadowNormalBias; float shadowRadius; @@ -1606,36 +1910,39 @@ gl_Position = projectionMatrix * mvPosition;`,$v=`#ifdef DITHERING }; uniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ]; #endif -#endif`,s0=`#ifdef USE_SHADOWMAP - #if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 - vec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix ); - vec4 shadowWorldPosition; - #endif +#endif`,hy=`#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 ) + vec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix ); + vec4 shadowWorldPosition; +#endif +#if defined( USE_SHADOWMAP ) #if NUM_DIR_LIGHT_SHADOWS > 0 - #pragma unroll_loop_start - for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) { - shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 ); - vDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition; - } - #pragma unroll_loop_end - #endif - #if NUM_SPOT_LIGHT_SHADOWS > 0 - #pragma unroll_loop_start - for ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) { - shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias, 0 ); - vSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * shadowWorldPosition; - } - #pragma unroll_loop_end + #pragma unroll_loop_start + for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) { + shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 ); + vDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition; + } + #pragma unroll_loop_end #endif #if NUM_POINT_LIGHT_SHADOWS > 0 + #pragma unroll_loop_start + for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) { + shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 ); + vPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition; + } + #pragma unroll_loop_end + #endif +#endif +#if NUM_SPOT_LIGHT_COORDS > 0 #pragma unroll_loop_start - for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) { - shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 ); - vPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition; + for ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) { + shadowWorldPosition = worldPosition; + #if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS ) + shadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias; + #endif + vSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition; } #pragma unroll_loop_end - #endif -#endif`,a0=`float getShadowMask() { +#endif`,uy=`float getShadowMask() { float shadow = 1.0; #ifdef USE_SHADOWMAP #if NUM_DIR_LIGHT_SHADOWS > 0 @@ -1643,7 +1950,7 @@ gl_Position = projectionMatrix * mvPosition;`,$v=`#ifdef DITHERING #pragma unroll_loop_start for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) { directionalLight = directionalLightShadows[ i ]; - shadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0; + shadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowIntensity, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0; } #pragma unroll_loop_end #endif @@ -1652,7 +1959,7 @@ gl_Position = projectionMatrix * mvPosition;`,$v=`#ifdef DITHERING #pragma unroll_loop_start for ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) { spotLight = spotLightShadows[ i ]; - shadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0; + shadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowIntensity, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0; } #pragma unroll_loop_end #endif @@ -1661,45 +1968,33 @@ gl_Position = projectionMatrix * mvPosition;`,$v=`#ifdef DITHERING #pragma unroll_loop_start for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) { pointLight = pointLightShadows[ i ]; - shadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0; + shadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowIntensity, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0; } #pragma unroll_loop_end #endif #endif return shadow; -}`,o0=`#ifdef USE_SKINNING +}`,dy=`#ifdef USE_SKINNING mat4 boneMatX = getBoneMatrix( skinIndex.x ); mat4 boneMatY = getBoneMatrix( skinIndex.y ); mat4 boneMatZ = getBoneMatrix( skinIndex.z ); mat4 boneMatW = getBoneMatrix( skinIndex.w ); -#endif`,l0=`#ifdef USE_SKINNING +#endif`,fy=`#ifdef USE_SKINNING uniform mat4 bindMatrix; uniform mat4 bindMatrixInverse; - #ifdef BONE_TEXTURE - uniform highp sampler2D boneTexture; - uniform int boneTextureSize; - mat4 getBoneMatrix( const in float i ) { - float j = i * 4.0; - float x = mod( j, float( boneTextureSize ) ); - float y = floor( j / float( boneTextureSize ) ); - float dx = 1.0 / float( boneTextureSize ); - float dy = 1.0 / float( boneTextureSize ); - y = dy * ( y + 0.5 ); - vec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) ); - vec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) ); - vec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) ); - vec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) ); - mat4 bone = mat4( v1, v2, v3, v4 ); - return bone; - } - #else - uniform mat4 boneMatrices[ MAX_BONES ]; - mat4 getBoneMatrix( const in float i ) { - mat4 bone = boneMatrices[ int(i) ]; - return bone; - } - #endif -#endif`,c0=`#ifdef USE_SKINNING + uniform highp sampler2D boneTexture; + mat4 getBoneMatrix( const in float i ) { + int size = textureSize( boneTexture, 0 ).x; + int j = int( i ) * 4; + int x = j % size; + int y = j / size; + vec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 ); + vec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 ); + vec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 ); + vec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 ); + return mat4( v1, v2, v3, v4 ); + } +#endif`,py=`#ifdef USE_SKINNING vec4 skinVertex = bindMatrix * vec4( transformed, 1.0 ); vec4 skinned = vec4( 0.0 ); skinned += boneMatX * skinVertex * skinWeight.x; @@ -1707,7 +2002,7 @@ gl_Position = projectionMatrix * mvPosition;`,$v=`#ifdef DITHERING skinned += boneMatZ * skinVertex * skinWeight.z; skinned += boneMatW * skinVertex * skinWeight.w; transformed = ( bindMatrixInverse * skinned ).xyz; -#endif`,u0=`#ifdef USE_SKINNING +#endif`,my=`#ifdef USE_SKINNING mat4 skinMatrix = mat4( 0.0 ); skinMatrix += skinWeight.x * boneMatX; skinMatrix += skinWeight.y * boneMatY; @@ -1718,28 +2013,28 @@ gl_Position = projectionMatrix * mvPosition;`,$v=`#ifdef DITHERING #ifdef USE_TANGENT objectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz; #endif -#endif`,h0=`float specularStrength; +#endif`,gy=`float specularStrength; #ifdef USE_SPECULARMAP - vec4 texelSpecular = texture2D( specularMap, vUv ); + vec4 texelSpecular = texture2D( specularMap, vSpecularMapUv ); specularStrength = texelSpecular.r; #else specularStrength = 1.0; -#endif`,d0=`#ifdef USE_SPECULARMAP +#endif`,vy=`#ifdef USE_SPECULARMAP uniform sampler2D specularMap; -#endif`,f0=`#if defined( TONE_MAPPING ) +#endif`,xy=`#if defined( TONE_MAPPING ) gl_FragColor.rgb = toneMapping( gl_FragColor.rgb ); -#endif`,p0=`#ifndef saturate +#endif`,_y=`#ifndef saturate #define saturate( a ) clamp( a, 0.0, 1.0 ) #endif uniform float toneMappingExposure; vec3 LinearToneMapping( vec3 color ) { - return toneMappingExposure * color; + return saturate( toneMappingExposure * color ); } vec3 ReinhardToneMapping( vec3 color ) { color *= toneMappingExposure; return saturate( color / ( vec3( 1.0 ) + color ) ); } -vec3 OptimizedCineonToneMapping( vec3 color ) { +vec3 CineonToneMapping( vec3 color ) { color *= toneMappingExposure; color = max( vec3( 0.0 ), color - 0.004 ); return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) ); @@ -1764,26 +2059,89 @@ vec3 ACESFilmicToneMapping( vec3 color ) { color = ACESOutputMat * color; return saturate( color ); } -vec3 CustomToneMapping( vec3 color ) { return color; }`,m0=`#ifdef USE_TRANSMISSION - float transmissionAlpha = 1.0; - float transmissionFactor = transmission; - float thicknessFactor = thickness; +const mat3 LINEAR_REC2020_TO_LINEAR_SRGB = mat3( + vec3( 1.6605, - 0.1246, - 0.0182 ), + vec3( - 0.5876, 1.1329, - 0.1006 ), + vec3( - 0.0728, - 0.0083, 1.1187 ) +); +const mat3 LINEAR_SRGB_TO_LINEAR_REC2020 = mat3( + vec3( 0.6274, 0.0691, 0.0164 ), + vec3( 0.3293, 0.9195, 0.0880 ), + vec3( 0.0433, 0.0113, 0.8956 ) +); +vec3 agxDefaultContrastApprox( vec3 x ) { + vec3 x2 = x * x; + vec3 x4 = x2 * x2; + return + 15.5 * x4 * x2 + - 40.14 * x4 * x + + 31.96 * x4 + - 6.868 * x2 * x + + 0.4298 * x2 + + 0.1191 * x + - 0.00232; +} +vec3 AgXToneMapping( vec3 color ) { + const mat3 AgXInsetMatrix = mat3( + vec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ), + vec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ), + vec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 ) + ); + const mat3 AgXOutsetMatrix = mat3( + vec3( 1.1271005818144368, - 0.1413297634984383, - 0.14132976349843826 ), + vec3( - 0.11060664309660323, 1.157823702216272, - 0.11060664309660294 ), + vec3( - 0.016493938717834573, - 0.016493938717834257, 1.2519364065950405 ) + ); + const float AgxMinEv = - 12.47393; const float AgxMaxEv = 4.026069; + color *= toneMappingExposure; + color = LINEAR_SRGB_TO_LINEAR_REC2020 * color; + color = AgXInsetMatrix * color; + color = max( color, 1e-10 ); color = log2( color ); + color = ( color - AgxMinEv ) / ( AgxMaxEv - AgxMinEv ); + color = clamp( color, 0.0, 1.0 ); + color = agxDefaultContrastApprox( color ); + color = AgXOutsetMatrix * color; + color = pow( max( vec3( 0.0 ), color ), vec3( 2.2 ) ); + color = LINEAR_REC2020_TO_LINEAR_SRGB * color; + color = clamp( color, 0.0, 1.0 ); + return color; +} +vec3 NeutralToneMapping( vec3 color ) { + const float StartCompression = 0.8 - 0.04; + const float Desaturation = 0.15; + color *= toneMappingExposure; + float x = min( color.r, min( color.g, color.b ) ); + float offset = x < 0.08 ? x - 6.25 * x * x : 0.04; + color -= offset; + float peak = max( color.r, max( color.g, color.b ) ); + if ( peak < StartCompression ) return color; + float d = 1. - StartCompression; + float newPeak = 1. - d * d / ( peak + d - StartCompression ); + color *= newPeak / peak; + float g = 1. - 1. / ( Desaturation * ( peak - newPeak ) + 1. ); + return mix( color, vec3( newPeak ), g ); +} +vec3 CustomToneMapping( vec3 color ) { return color; }`,yy=`#ifdef USE_TRANSMISSION + material.transmission = transmission; + material.transmissionAlpha = 1.0; + material.thickness = thickness; + material.attenuationDistance = attenuationDistance; + material.attenuationColor = attenuationColor; #ifdef USE_TRANSMISSIONMAP - transmissionFactor *= texture2D( transmissionMap, vUv ).r; + material.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r; #endif #ifdef USE_THICKNESSMAP - thicknessFactor *= texture2D( thicknessMap, vUv ).g; + material.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g; #endif vec3 pos = vWorldPosition; vec3 v = normalize( cameraPosition - pos ); vec3 n = inverseTransformDirection( normal, viewMatrix ); - vec4 transmission = getIBLVolumeRefraction( - n, v, roughnessFactor, material.diffuseColor, material.specularColor, material.specularF90, - pos, modelMatrix, viewMatrix, projectionMatrix, ior, thicknessFactor, - attenuationColor, attenuationDistance ); - totalDiffuse = mix( totalDiffuse, transmission.rgb, transmissionFactor ); - transmissionAlpha = mix( transmissionAlpha, transmission.a, transmissionFactor ); -#endif`,g0=`#ifdef USE_TRANSMISSION + vec4 transmitted = getIBLVolumeRefraction( + n, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90, + pos, modelMatrix, viewMatrix, projectionMatrix, material.dispersion, material.ior, material.thickness, + material.attenuationColor, material.attenuationDistance ); + material.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission ); + totalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission ); +#endif`,Ay=`#ifdef USE_TRANSMISSION uniform float transmission; uniform float thickness; uniform float attenuationDistance; @@ -1799,7 +2157,57 @@ vec3 CustomToneMapping( vec3 color ) { return color; }`,m0=`#ifdef USE_TRANSMISS uniform mat4 modelMatrix; uniform mat4 projectionMatrix; varying vec3 vWorldPosition; - vec3 getVolumeTransmissionRay( vec3 n, vec3 v, float thickness, float ior, mat4 modelMatrix ) { + float w0( float a ) { + return ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 ); + } + float w1( float a ) { + return ( 1.0 / 6.0 ) * ( a * a * ( 3.0 * a - 6.0 ) + 4.0 ); + } + float w2( float a ){ + return ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 ); + } + float w3( float a ) { + return ( 1.0 / 6.0 ) * ( a * a * a ); + } + float g0( float a ) { + return w0( a ) + w1( a ); + } + float g1( float a ) { + return w2( a ) + w3( a ); + } + float h0( float a ) { + return - 1.0 + w1( a ) / ( w0( a ) + w1( a ) ); + } + float h1( float a ) { + return 1.0 + w3( a ) / ( w2( a ) + w3( a ) ); + } + vec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) { + uv = uv * texelSize.zw + 0.5; + vec2 iuv = floor( uv ); + vec2 fuv = fract( uv ); + float g0x = g0( fuv.x ); + float g1x = g1( fuv.x ); + float h0x = h0( fuv.x ); + float h1x = h1( fuv.x ); + float h0y = h0( fuv.y ); + float h1y = h1( fuv.y ); + vec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy; + vec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy; + vec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy; + vec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy; + return g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) + + g1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) ); + } + vec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) { + vec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) ); + vec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) ); + vec2 fLodSizeInv = 1.0 / fLodSize; + vec2 cLodSizeInv = 1.0 / cLodSize; + vec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) ); + vec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) ); + return mix( fSample, cSample, fract( lod ) ); + } + vec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) { vec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior ); vec3 modelScale; modelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) ); @@ -1807,95 +2215,368 @@ vec3 CustomToneMapping( vec3 color ) { return color; }`,m0=`#ifdef USE_TRANSMISS modelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) ); return normalize( refractionVector ) * thickness * modelScale; } - float applyIorToRoughness( float roughness, float ior ) { + float applyIorToRoughness( const in float roughness, const in float ior ) { return roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 ); } - vec4 getTransmissionSample( vec2 fragCoord, float roughness, float ior ) { - float framebufferLod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior ); - #ifdef TEXTURE_LOD_EXT - return texture2DLodEXT( transmissionSamplerMap, fragCoord.xy, framebufferLod ); - #else - return texture2D( transmissionSamplerMap, fragCoord.xy, framebufferLod ); - #endif + vec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) { + float lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior ); + return textureBicubic( transmissionSamplerMap, fragCoord.xy, lod ); } - vec3 applyVolumeAttenuation( vec3 radiance, float transmissionDistance, vec3 attenuationColor, float attenuationDistance ) { - if ( attenuationDistance == 0.0 ) { - return radiance; + vec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) { + if ( isinf( attenuationDistance ) ) { + return vec3( 1.0 ); } else { vec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance; - vec3 transmittance = exp( - attenuationCoefficient * transmissionDistance ); return transmittance * radiance; + vec3 transmittance = exp( - attenuationCoefficient * transmissionDistance ); return transmittance; } } - vec4 getIBLVolumeRefraction( vec3 n, vec3 v, float roughness, vec3 diffuseColor, vec3 specularColor, float specularF90, - vec3 position, mat4 modelMatrix, mat4 viewMatrix, mat4 projMatrix, float ior, float thickness, - vec3 attenuationColor, float attenuationDistance ) { - vec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix ); - vec3 refractedRayExit = position + transmissionRay; - vec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 ); - vec2 refractionCoords = ndcPos.xy / ndcPos.w; - refractionCoords += 1.0; - refractionCoords /= 2.0; - vec4 transmittedLight = getTransmissionSample( refractionCoords, roughness, ior ); - vec3 attenuatedColor = applyVolumeAttenuation( transmittedLight.rgb, length( transmissionRay ), attenuationColor, attenuationDistance ); + vec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor, + const in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix, + const in mat4 viewMatrix, const in mat4 projMatrix, const in float dispersion, const in float ior, const in float thickness, + const in vec3 attenuationColor, const in float attenuationDistance ) { + vec4 transmittedLight; + vec3 transmittance; + #ifdef USE_DISPERSION + float halfSpread = ( ior - 1.0 ) * 0.025 * dispersion; + vec3 iors = vec3( ior - halfSpread, ior, ior + halfSpread ); + for ( int i = 0; i < 3; i ++ ) { + vec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, iors[ i ], modelMatrix ); + vec3 refractedRayExit = position + transmissionRay; + vec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 ); + vec2 refractionCoords = ndcPos.xy / ndcPos.w; + refractionCoords += 1.0; + refractionCoords /= 2.0; + vec4 transmissionSample = getTransmissionSample( refractionCoords, roughness, iors[ i ] ); + transmittedLight[ i ] = transmissionSample[ i ]; + transmittedLight.a += transmissionSample.a; + transmittance[ i ] = diffuseColor[ i ] * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance )[ i ]; + } + transmittedLight.a /= 3.0; + #else + vec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix ); + vec3 refractedRayExit = position + transmissionRay; + vec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 ); + vec2 refractionCoords = ndcPos.xy / ndcPos.w; + refractionCoords += 1.0; + refractionCoords /= 2.0; + transmittedLight = getTransmissionSample( refractionCoords, roughness, ior ); + transmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance ); + #endif + vec3 attenuatedColor = transmittance * transmittedLight.rgb; vec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness ); - return vec4( ( 1.0 - F ) * attenuatedColor * diffuseColor, transmittedLight.a ); + float transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0; + return vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor ); } -#endif`,v0=`#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) ) +#endif`,Sy=`#if defined( USE_UV ) || defined( USE_ANISOTROPY ) varying vec2 vUv; -#endif`,x0=`#ifdef USE_UV - #ifdef UVS_VERTEX_ONLY - vec2 vUv; - #else - varying vec2 vUv; - #endif - uniform mat3 uvTransform; -#endif`,y0=`#ifdef USE_UV - vUv = ( uvTransform * vec3( uv, 1 ) ).xy; -#endif`,w0=`#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP ) - varying vec2 vUv2; -#endif`,b0=`#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP ) - attribute vec2 uv2; - varying vec2 vUv2; - uniform mat3 uv2Transform; -#endif`,A0=`#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP ) - vUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy; -#endif`,E0=`#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) +#endif +#ifdef USE_MAP + varying vec2 vMapUv; +#endif +#ifdef USE_ALPHAMAP + varying vec2 vAlphaMapUv; +#endif +#ifdef USE_LIGHTMAP + varying vec2 vLightMapUv; +#endif +#ifdef USE_AOMAP + varying vec2 vAoMapUv; +#endif +#ifdef USE_BUMPMAP + varying vec2 vBumpMapUv; +#endif +#ifdef USE_NORMALMAP + varying vec2 vNormalMapUv; +#endif +#ifdef USE_EMISSIVEMAP + varying vec2 vEmissiveMapUv; +#endif +#ifdef USE_METALNESSMAP + varying vec2 vMetalnessMapUv; +#endif +#ifdef USE_ROUGHNESSMAP + varying vec2 vRoughnessMapUv; +#endif +#ifdef USE_ANISOTROPYMAP + varying vec2 vAnisotropyMapUv; +#endif +#ifdef USE_CLEARCOATMAP + varying vec2 vClearcoatMapUv; +#endif +#ifdef USE_CLEARCOAT_NORMALMAP + varying vec2 vClearcoatNormalMapUv; +#endif +#ifdef USE_CLEARCOAT_ROUGHNESSMAP + varying vec2 vClearcoatRoughnessMapUv; +#endif +#ifdef USE_IRIDESCENCEMAP + varying vec2 vIridescenceMapUv; +#endif +#ifdef USE_IRIDESCENCE_THICKNESSMAP + varying vec2 vIridescenceThicknessMapUv; +#endif +#ifdef USE_SHEEN_COLORMAP + varying vec2 vSheenColorMapUv; +#endif +#ifdef USE_SHEEN_ROUGHNESSMAP + varying vec2 vSheenRoughnessMapUv; +#endif +#ifdef USE_SPECULARMAP + varying vec2 vSpecularMapUv; +#endif +#ifdef USE_SPECULAR_COLORMAP + varying vec2 vSpecularColorMapUv; +#endif +#ifdef USE_SPECULAR_INTENSITYMAP + varying vec2 vSpecularIntensityMapUv; +#endif +#ifdef USE_TRANSMISSIONMAP + uniform mat3 transmissionMapTransform; + varying vec2 vTransmissionMapUv; +#endif +#ifdef USE_THICKNESSMAP + uniform mat3 thicknessMapTransform; + varying vec2 vThicknessMapUv; +#endif`,Ey=`#if defined( USE_UV ) || defined( USE_ANISOTROPY ) + varying vec2 vUv; +#endif +#ifdef USE_MAP + uniform mat3 mapTransform; + varying vec2 vMapUv; +#endif +#ifdef USE_ALPHAMAP + uniform mat3 alphaMapTransform; + varying vec2 vAlphaMapUv; +#endif +#ifdef USE_LIGHTMAP + uniform mat3 lightMapTransform; + varying vec2 vLightMapUv; +#endif +#ifdef USE_AOMAP + uniform mat3 aoMapTransform; + varying vec2 vAoMapUv; +#endif +#ifdef USE_BUMPMAP + uniform mat3 bumpMapTransform; + varying vec2 vBumpMapUv; +#endif +#ifdef USE_NORMALMAP + uniform mat3 normalMapTransform; + varying vec2 vNormalMapUv; +#endif +#ifdef USE_DISPLACEMENTMAP + uniform mat3 displacementMapTransform; + varying vec2 vDisplacementMapUv; +#endif +#ifdef USE_EMISSIVEMAP + uniform mat3 emissiveMapTransform; + varying vec2 vEmissiveMapUv; +#endif +#ifdef USE_METALNESSMAP + uniform mat3 metalnessMapTransform; + varying vec2 vMetalnessMapUv; +#endif +#ifdef USE_ROUGHNESSMAP + uniform mat3 roughnessMapTransform; + varying vec2 vRoughnessMapUv; +#endif +#ifdef USE_ANISOTROPYMAP + uniform mat3 anisotropyMapTransform; + varying vec2 vAnisotropyMapUv; +#endif +#ifdef USE_CLEARCOATMAP + uniform mat3 clearcoatMapTransform; + varying vec2 vClearcoatMapUv; +#endif +#ifdef USE_CLEARCOAT_NORMALMAP + uniform mat3 clearcoatNormalMapTransform; + varying vec2 vClearcoatNormalMapUv; +#endif +#ifdef USE_CLEARCOAT_ROUGHNESSMAP + uniform mat3 clearcoatRoughnessMapTransform; + varying vec2 vClearcoatRoughnessMapUv; +#endif +#ifdef USE_SHEEN_COLORMAP + uniform mat3 sheenColorMapTransform; + varying vec2 vSheenColorMapUv; +#endif +#ifdef USE_SHEEN_ROUGHNESSMAP + uniform mat3 sheenRoughnessMapTransform; + varying vec2 vSheenRoughnessMapUv; +#endif +#ifdef USE_IRIDESCENCEMAP + uniform mat3 iridescenceMapTransform; + varying vec2 vIridescenceMapUv; +#endif +#ifdef USE_IRIDESCENCE_THICKNESSMAP + uniform mat3 iridescenceThicknessMapTransform; + varying vec2 vIridescenceThicknessMapUv; +#endif +#ifdef USE_SPECULARMAP + uniform mat3 specularMapTransform; + varying vec2 vSpecularMapUv; +#endif +#ifdef USE_SPECULAR_COLORMAP + uniform mat3 specularColorMapTransform; + varying vec2 vSpecularColorMapUv; +#endif +#ifdef USE_SPECULAR_INTENSITYMAP + uniform mat3 specularIntensityMapTransform; + varying vec2 vSpecularIntensityMapUv; +#endif +#ifdef USE_TRANSMISSIONMAP + uniform mat3 transmissionMapTransform; + varying vec2 vTransmissionMapUv; +#endif +#ifdef USE_THICKNESSMAP + uniform mat3 thicknessMapTransform; + varying vec2 vThicknessMapUv; +#endif`,My=`#if defined( USE_UV ) || defined( USE_ANISOTROPY ) + vUv = vec3( uv, 1 ).xy; +#endif +#ifdef USE_MAP + vMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy; +#endif +#ifdef USE_ALPHAMAP + vAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_LIGHTMAP + vLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_AOMAP + vAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_BUMPMAP + vBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_NORMALMAP + vNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_DISPLACEMENTMAP + vDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_EMISSIVEMAP + vEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_METALNESSMAP + vMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_ROUGHNESSMAP + vRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_ANISOTROPYMAP + vAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_CLEARCOATMAP + vClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_CLEARCOAT_NORMALMAP + vClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_CLEARCOAT_ROUGHNESSMAP + vClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_IRIDESCENCEMAP + vIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_IRIDESCENCE_THICKNESSMAP + vIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_SHEEN_COLORMAP + vSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_SHEEN_ROUGHNESSMAP + vSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_SPECULARMAP + vSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_SPECULAR_COLORMAP + vSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_SPECULAR_INTENSITYMAP + vSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_TRANSMISSIONMAP + vTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_THICKNESSMAP + vThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy; +#endif`,by=`#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0 vec4 worldPosition = vec4( transformed, 1.0 ); + #ifdef USE_BATCHING + worldPosition = batchingMatrix * worldPosition; + #endif #ifdef USE_INSTANCING worldPosition = instanceMatrix * worldPosition; #endif worldPosition = modelMatrix * worldPosition; -#endif`,M0=`varying vec2 vUv; +#endif`,Ty=`varying vec2 vUv; uniform mat3 uvTransform; void main() { vUv = ( uvTransform * vec3( uv, 1 ) ).xy; gl_Position = vec4( position.xy, 1.0, 1.0 ); -}`,S0=`uniform sampler2D t2D; +}`,wy=`uniform sampler2D t2D; +uniform float backgroundIntensity; varying vec2 vUv; void main() { vec4 texColor = texture2D( t2D, vUv ); - gl_FragColor = mapTexelToLinear( texColor ); + #ifdef DECODE_VIDEO_TEXTURE + texColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w ); + #endif + texColor.rgb *= backgroundIntensity; + gl_FragColor = texColor; #include - #include -}`,_0=`varying vec3 vWorldDirection; + #include +}`,Cy=`varying vec3 vWorldDirection; #include void main() { vWorldDirection = transformDirection( position, modelMatrix ); #include #include gl_Position.z = gl_Position.w; -}`,T0=`#include -uniform float opacity; +}`,Ry=`#ifdef ENVMAP_TYPE_CUBE + uniform samplerCube envMap; +#elif defined( ENVMAP_TYPE_CUBE_UV ) + uniform sampler2D envMap; +#endif +uniform float flipEnvMap; +uniform float backgroundBlurriness; +uniform float backgroundIntensity; +uniform mat3 backgroundRotation; varying vec3 vWorldDirection; #include void main() { - vec3 vReflect = vWorldDirection; - #include - gl_FragColor = envColor; + #ifdef ENVMAP_TYPE_CUBE + vec4 texColor = textureCube( envMap, backgroundRotation * vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) ); + #elif defined( ENVMAP_TYPE_CUBE_UV ) + vec4 texColor = textureCubeUV( envMap, backgroundRotation * vWorldDirection, backgroundBlurriness ); + #else + vec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 ); + #endif + texColor.rgb *= backgroundIntensity; + gl_FragColor = texColor; + #include + #include +}`,Dy=`varying vec3 vWorldDirection; +#include +void main() { + vWorldDirection = transformDirection( position, modelMatrix ); + #include + #include + gl_Position.z = gl_Position.w; +}`,Py=`uniform samplerCube tCube; +uniform float tFlip; +uniform float opacity; +varying vec3 vWorldDirection; +void main() { + vec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) ); + gl_FragColor = texColor; gl_FragColor.a *= opacity; #include - #include -}`,C0=`#include + #include +}`,Iy=`#include +#include #include #include #include @@ -1905,7 +2586,9 @@ void main() { varying vec2 vHighPrecisionZW; void main() { #include + #include #include + #include #ifdef USE_DISPLACEMENTMAP #include #include @@ -1919,7 +2602,7 @@ void main() { #include #include vHighPrecisionZW = gl_Position.zw; -}`,D0=`#if DEPTH_PACKING == 3200 +}`,Uy=`#if DEPTH_PACKING == 3200 uniform float opacity; #endif #include @@ -1928,28 +2611,35 @@ void main() { #include #include #include +#include #include #include varying vec2 vHighPrecisionZW; void main() { - #include vec4 diffuseColor = vec4( 1.0 ); + #include #if DEPTH_PACKING == 3200 diffuseColor.a = opacity; #endif #include #include #include + #include #include float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5; #if DEPTH_PACKING == 3200 gl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity ); #elif DEPTH_PACKING == 3201 gl_FragColor = packDepthToRGBA( fragCoordZ ); + #elif DEPTH_PACKING == 3202 + gl_FragColor = vec4( packDepthToRGB( fragCoordZ ), 1.0 ); + #elif DEPTH_PACKING == 3203 + gl_FragColor = vec4( packDepthToRG( fragCoordZ ), 0.0, 1.0 ); #endif -}`,R0=`#define DISTANCE +}`,Ly=`#define DISTANCE varying vec3 vWorldPosition; #include +#include #include #include #include @@ -1957,7 +2647,9 @@ varying vec3 vWorldPosition; #include void main() { #include + #include #include + #include #ifdef USE_DISPLACEMENTMAP #include #include @@ -1971,7 +2663,7 @@ void main() { #include #include vWorldPosition = worldPosition.xyz; -}`,P0=`#define DISTANCE +}`,By=`#define DISTANCE uniform vec3 referencePosition; uniform float nearDistance; uniform float farDistance; @@ -1982,37 +2674,39 @@ varying vec3 vWorldPosition; #include #include #include +#include #include void main () { - #include vec4 diffuseColor = vec4( 1.0 ); + #include #include #include #include + #include float dist = length( vWorldPosition - referencePosition ); dist = ( dist - nearDistance ) / ( farDistance - nearDistance ); dist = saturate( dist ); gl_FragColor = packDepthToRGBA( dist ); -}`,L0=`varying vec3 vWorldDirection; +}`,Oy=`varying vec3 vWorldDirection; #include void main() { vWorldDirection = transformDirection( position, modelMatrix ); #include #include -}`,I0=`uniform sampler2D tEquirect; +}`,Ny=`uniform sampler2D tEquirect; varying vec3 vWorldDirection; #include void main() { vec3 direction = normalize( vWorldDirection ); vec2 sampleUV = equirectUv( direction ); - vec4 texColor = texture2D( tEquirect, sampleUV ); - gl_FragColor = mapTexelToLinear( texColor ); + gl_FragColor = texture2D( tEquirect, sampleUV ); #include - #include -}`,B0=`uniform float scale; + #include +}`,Fy=`uniform float scale; attribute float lineDistance; varying float vLineDistance; #include +#include #include #include #include @@ -2020,41 +2714,47 @@ varying float vLineDistance; #include void main() { vLineDistance = scale * lineDistance; + #include #include + #include + #include #include #include #include #include #include #include -}`,U0=`uniform vec3 diffuse; +}`,Hy=`uniform vec3 diffuse; uniform float opacity; uniform float dashSize; uniform float totalSize; varying float vLineDistance; #include #include +#include +#include #include #include #include void main() { + vec4 diffuseColor = vec4( diffuse, opacity ); #include if ( mod( vLineDistance, totalSize ) > dashSize ) { discard; } vec3 outgoingLight = vec3( 0.0 ); - vec4 diffuseColor = vec4( diffuse, opacity ); #include + #include #include outgoingLight = diffuseColor.rgb; - #include + #include #include - #include + #include #include #include -}`,F0=`#include +}`,zy=`#include +#include #include -#include #include #include #include @@ -2064,8 +2764,10 @@ void main() { #include void main() { #include - #include #include + #include + #include + #include #if defined ( USE_ENVMAP ) || defined ( USE_SKINNING ) #include #include @@ -2082,7 +2784,7 @@ void main() { #include #include #include -}`,O0=`uniform vec3 diffuse; +}`,ky=`uniform vec3 diffuse; uniform float opacity; #ifndef FLAT_SHADED varying vec3 vNormal; @@ -2091,32 +2793,32 @@ uniform float opacity; #include #include #include -#include #include #include #include +#include #include #include #include #include -#include #include #include #include #include void main() { - #include vec4 diffuseColor = vec4( diffuse, opacity ); + #include #include #include #include #include #include + #include #include ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) ); #ifdef USE_LIGHTMAP - vec4 lightMapTexel= texture2D( lightMap, vUv2 ); - reflectedLight.indirectDiffuse += lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity; + vec4 lightMapTexel = texture2D( lightMap, vLightMapUv ); + reflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI; #else reflectedLight.indirectDiffuse += vec3( 1.0 ); #endif @@ -2124,27 +2826,22 @@ void main() { reflectedLight.indirectDiffuse *= diffuseColor.rgb; vec3 outgoingLight = reflectedLight.indirectDiffuse; #include - #include + #include #include - #include + #include #include #include #include -}`,N0=`#define LAMBERT -varying vec3 vLightFront; -varying vec3 vIndirectFront; -#ifdef DOUBLE_SIDED - varying vec3 vLightBack; - varying vec3 vIndirectBack; -#endif +}`,Gy=`#define LAMBERT +varying vec3 vViewPosition; #include +#include #include -#include +#include #include -#include -#include #include #include +#include #include #include #include @@ -2152,59 +2849,60 @@ varying vec3 vIndirectFront; #include void main() { #include - #include #include + #include + #include + #include #include #include #include #include #include + #include #include #include #include + #include #include #include #include + vViewPosition = - mvPosition.xyz; #include #include - #include #include #include -}`,H0=`uniform vec3 diffuse; +}`,Vy=`#define LAMBERT +uniform vec3 diffuse; uniform vec3 emissive; uniform float opacity; -varying vec3 vLightFront; -varying vec3 vIndirectFront; -#ifdef DOUBLE_SIDED - varying vec3 vLightBack; - varying vec3 vIndirectBack; -#endif #include #include #include #include #include -#include #include #include #include +#include #include #include #include #include #include -#include +#include #include #include -#include +#include +#include #include -#include +#include +#include #include #include #include void main() { - #include vec4 diffuseColor = vec4( diffuse, opacity ); + #include ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) ); vec3 totalEmissiveRadiance = emissive; #include @@ -2212,33 +2910,28 @@ void main() { #include #include #include + #include #include + #include + #include #include - #ifdef DOUBLE_SIDED - reflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack; - #else - reflectedLight.indirectDiffuse += vIndirectFront; - #endif - #include - reflectedLight.indirectDiffuse *= BRDF_Lambert( diffuseColor.rgb ); - #ifdef DOUBLE_SIDED - reflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack; - #else - reflectedLight.directDiffuse = vLightFront; - #endif - reflectedLight.directDiffuse *= BRDF_Lambert( diffuseColor.rgb ) * getShadowMask(); + #include + #include + #include + #include #include vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance; #include - #include + #include #include - #include + #include #include #include #include -}`,z0=`#define MATCAP +}`,Wy=`#define MATCAP varying vec3 vViewPosition; #include +#include #include #include #include @@ -2251,6 +2944,9 @@ varying vec3 vViewPosition; void main() { #include #include + #include + #include + #include #include #include #include @@ -2266,7 +2962,7 @@ void main() { #include #include vViewPosition = - mvPosition.xyz; -}`,G0=`#define MATCAP +}`,Xy=`#define MATCAP uniform vec3 diffuse; uniform float opacity; uniform sampler2D matcap; @@ -2278,6 +2974,7 @@ varying vec3 vViewPosition; #include #include #include +#include #include #include #include @@ -2285,13 +2982,14 @@ varying vec3 vViewPosition; #include #include void main() { - #include vec4 diffuseColor = vec4( diffuse, opacity ); + #include #include #include #include #include #include + #include #include #include vec3 viewDir = normalize( vViewPosition ); @@ -2300,22 +2998,22 @@ void main() { vec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5; #ifdef USE_MATCAP vec4 matcapColor = texture2D( matcap, uv ); - matcapColor = matcapTexelToLinear( matcapColor ); #else - vec4 matcapColor = vec4( 1.0 ); + vec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 ); #endif vec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb; - #include + #include #include - #include + #include #include #include #include -}`,k0=`#define NORMAL -#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP ) +}`,Yy=`#define NORMAL +#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE ) varying vec3 vViewPosition; #endif #include +#include #include #include #include @@ -2325,7 +3023,9 @@ void main() { #include void main() { #include + #include #include + #include #include #include #include @@ -2338,12 +3038,12 @@ void main() { #include #include #include -#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP ) +#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE ) vViewPosition = - mvPosition.xyz; #endif -}`,V0=`#define NORMAL +}`,jy=`#define NORMAL uniform float opacity; -#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP ) +#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE ) varying vec3 vViewPosition; #endif #include @@ -2354,16 +3054,20 @@ uniform float opacity; #include #include void main() { + vec4 diffuseColor = vec4( 0.0, 0.0, 0.0, opacity ); #include #include #include #include - gl_FragColor = vec4( packNormalToRGB( normal ), opacity ); -}`,W0=`#define PHONG + gl_FragColor = vec4( packNormalToRGB( normal ), diffuseColor.a ); + #ifdef OPAQUE + gl_FragColor.a = 1.0; + #endif +}`,qy=`#define PHONG varying vec3 vViewPosition; #include +#include #include -#include #include #include #include @@ -2376,9 +3080,11 @@ varying vec3 vViewPosition; #include void main() { #include - #include #include + #include + #include #include + #include #include #include #include @@ -2396,7 +3102,7 @@ void main() { #include #include #include -}`,Y0=`#define PHONG +}`,Zy=`#define PHONG uniform vec3 diffuse; uniform vec3 emissive; uniform vec3 specular; @@ -2407,16 +3113,15 @@ uniform float opacity; #include #include #include -#include #include #include #include +#include #include #include #include #include #include -#include #include #include #include @@ -2429,8 +3134,8 @@ uniform float opacity; #include #include void main() { - #include vec4 diffuseColor = vec4( diffuse, opacity ); + #include ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) ); vec3 totalEmissiveRadiance = emissive; #include @@ -2438,6 +3143,7 @@ void main() { #include #include #include + #include #include #include #include @@ -2449,20 +3155,20 @@ void main() { #include vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance; #include - #include + #include #include - #include + #include #include #include #include -}`,j0=`#define STANDARD +}`,Qy=`#define STANDARD varying vec3 vViewPosition; #ifdef USE_TRANSMISSION varying vec3 vWorldPosition; #endif #include +#include #include -#include #include #include #include @@ -2474,8 +3180,10 @@ varying vec3 vViewPosition; #include void main() { #include - #include #include + #include + #include + #include #include #include #include @@ -2496,10 +3204,10 @@ void main() { #ifdef USE_TRANSMISSION vWorldPosition = worldPosition.xyz; #endif -}`,X0=`#define STANDARD +}`,Ky=`#define STANDARD #ifdef PHYSICAL #define IOR - #define SPECULAR + #define USE_SPECULAR #endif uniform vec3 diffuse; uniform vec3 emissive; @@ -2509,44 +3217,59 @@ uniform float opacity; #ifdef IOR uniform float ior; #endif -#ifdef SPECULAR +#ifdef USE_SPECULAR uniform float specularIntensity; uniform vec3 specularColor; - #ifdef USE_SPECULARINTENSITYMAP - uniform sampler2D specularIntensityMap; - #endif - #ifdef USE_SPECULARCOLORMAP + #ifdef USE_SPECULAR_COLORMAP uniform sampler2D specularColorMap; #endif + #ifdef USE_SPECULAR_INTENSITYMAP + uniform sampler2D specularIntensityMap; + #endif #endif #ifdef USE_CLEARCOAT uniform float clearcoat; uniform float clearcoatRoughness; #endif +#ifdef USE_DISPERSION + uniform float dispersion; +#endif +#ifdef USE_IRIDESCENCE + uniform float iridescence; + uniform float iridescenceIOR; + uniform float iridescenceThicknessMinimum; + uniform float iridescenceThicknessMaximum; +#endif #ifdef USE_SHEEN uniform vec3 sheenColor; uniform float sheenRoughness; - #ifdef USE_SHEENCOLORMAP + #ifdef USE_SHEEN_COLORMAP uniform sampler2D sheenColorMap; #endif - #ifdef USE_SHEENROUGHNESSMAP + #ifdef USE_SHEEN_ROUGHNESSMAP uniform sampler2D sheenRoughnessMap; #endif #endif +#ifdef USE_ANISOTROPY + uniform vec2 anisotropyVector; + #ifdef USE_ANISOTROPYMAP + uniform sampler2D anisotropyMap; + #endif +#endif varying vec3 vViewPosition; #include #include #include #include #include -#include #include #include #include +#include #include #include #include -#include +#include #include #include #include @@ -2559,13 +3282,14 @@ varying vec3 vViewPosition; #include #include #include +#include #include #include #include #include void main() { - #include vec4 diffuseColor = vec4( diffuse, opacity ); + #include ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) ); vec3 totalEmissiveRadiance = emissive; #include @@ -2573,6 +3297,7 @@ void main() { #include #include #include + #include #include #include #include @@ -2589,22 +3314,26 @@ void main() { vec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular; #include vec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance; + #ifdef USE_SHEEN + float sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor ); + outgoingLight = outgoingLight * sheenEnergyComp + sheenSpecularDirect + sheenSpecularIndirect; + #endif #ifdef USE_CLEARCOAT - float dotNVcc = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) ); + float dotNVcc = saturate( dot( geometryClearcoatNormal, geometryViewDir ) ); vec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc ); - outgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + clearcoatSpecular * material.clearcoat; + outgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + ( clearcoatSpecularDirect + clearcoatSpecularIndirect ) * material.clearcoat; #endif - #include + #include #include - #include + #include #include #include #include -}`,Q0=`#define TOON +}`,Jy=`#define TOON varying vec3 vViewPosition; #include +#include #include -#include #include #include #include @@ -2616,8 +3345,10 @@ varying vec3 vViewPosition; #include void main() { #include - #include #include + #include + #include + #include #include #include #include @@ -2635,7 +3366,7 @@ void main() { #include #include #include -}`,q0=`#define TOON +}`,$y=`#define TOON uniform vec3 diffuse; uniform vec3 emissive; uniform float opacity; @@ -2644,10 +3375,10 @@ uniform float opacity; #include #include #include -#include #include #include #include +#include #include #include #include @@ -2663,8 +3394,8 @@ uniform float opacity; #include #include void main() { - #include vec4 diffuseColor = vec4( diffuse, opacity ); + #include ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) ); vec3 totalEmissiveRadiance = emissive; #include @@ -2672,6 +3403,7 @@ void main() { #include #include #include + #include #include #include #include @@ -2681,13 +3413,13 @@ void main() { #include #include vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance; - #include + #include #include - #include + #include #include #include #include -}`,Z0=`uniform float size; +}`,eA=`uniform float size; uniform float scale; #include #include @@ -2695,8 +3427,17 @@ uniform float scale; #include #include #include +#ifdef USE_POINTS_UV + varying vec2 vUv; + uniform mat3 uvTransform; +#endif void main() { + #ifdef USE_POINTS_UV + vUv = ( uvTransform * vec3( uv, 1 ) ).xy; + #endif #include + #include + #include #include #include #include @@ -2709,36 +3450,42 @@ void main() { #include #include #include -}`,J0=`uniform vec3 diffuse; +}`,tA=`uniform vec3 diffuse; uniform float opacity; #include #include #include #include +#include #include #include #include void main() { + vec4 diffuseColor = vec4( diffuse, opacity ); #include vec3 outgoingLight = vec3( 0.0 ); - vec4 diffuseColor = vec4( diffuse, opacity ); #include #include #include #include + #include outgoingLight = diffuseColor.rgb; - #include + #include #include - #include + #include #include #include -}`,K0=`#include +}`,iA=`#include +#include #include #include #include +#include #include void main() { + #include #include + #include #include #include #include @@ -2747,24 +3494,27 @@ void main() { #include #include #include + #include #include #include #include -}`,$0=`uniform vec3 color; +}`,nA=`uniform vec3 color; uniform float opacity; #include #include #include #include #include +#include #include #include void main() { + #include gl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) ); #include - #include + #include #include -}`,ex=`uniform float rotation; +}`,rA=`uniform float rotation; uniform vec2 center; #include #include @@ -2773,10 +3523,8 @@ uniform vec2 center; #include void main() { #include - vec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 ); - vec2 scale; - scale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) ); - scale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) ); + vec4 mvPosition = modelViewMatrix[ 3 ]; + vec2 scale = vec2( length( modelMatrix[ 0 ].xyz ), length( modelMatrix[ 1 ].xyz ) ); #ifndef USE_SIZEATTENUATION bool isPerspective = isPerspectiveMatrix( projectionMatrix ); if ( isPerspective ) scale *= - mvPosition.z; @@ -2790,30 +3538,32 @@ void main() { #include #include #include -}`,tx=`uniform vec3 diffuse; +}`,sA=`uniform vec3 diffuse; uniform float opacity; #include #include #include #include #include +#include #include #include #include void main() { + vec4 diffuseColor = vec4( diffuse, opacity ); #include vec3 outgoingLight = vec3( 0.0 ); - vec4 diffuseColor = vec4( diffuse, opacity ); #include #include #include #include + #include outgoingLight = diffuseColor.rgb; - #include + #include #include - #include + #include #include 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Ke({name:"SphericalGaussianBlur",defines:{n:qr,CUBEUV_TEXEL_WIDTH:1/e,CUBEUV_TEXEL_HEIGHT:1/t,CUBEUV_MAX_MIP:`${r}.0`},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:i},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:n}},vertexShader:of(),fragmentShader:` precision mediump float; precision mediump int; @@ -2828,8 +3578,6 @@ void main() { uniform float mipInt; uniform vec3 poleAxis; - ${lc()} - #define ENVMAP_TYPE_CUBE_UV #include @@ -2874,10 +3622,8 @@ void main() { } - gl_FragColor = linearToOutputTexel( gl_FragColor ); - } - `,blending:xt,depthTest:!1,depthWrite:!1})}function Ld(){let r=new O(1,1);return new Vi({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null},texelSize:{value:r},inputEncoding:{value:Wi[ft]},outputEncoding:{value:Wi[ft]}},vertexShader:oc(),fragmentShader:` + `,blending:Dt,depthTest:!1,depthWrite:!1})}function ag(){return new Ke({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null}},vertexShader:of(),fragmentShader:` precision mediump float; precision mediump int; @@ -2885,61 +3631,38 @@ void main() { varying vec3 vOutputDirection; uniform sampler2D envMap; - uniform vec2 texelSize; - - ${lc()} #include void main() { - gl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 ); - vec3 outputDirection = normalize( vOutputDirection ); vec2 uv = equirectUv( outputDirection ); - vec2 f = fract( uv / texelSize - 0.5 ); - uv -= f * texelSize; - vec3 tl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb; - uv.x += texelSize.x; - vec3 tr = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb; - uv.y += texelSize.y; - vec3 br = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb; - uv.x -= texelSize.x; - vec3 bl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb; - - vec3 tm = mix( tl, tr, f.x ); - vec3 bm = mix( bl, br, f.x ); - gl_FragColor.rgb = mix( tm, bm, f.y ); - - gl_FragColor = linearToOutputTexel( gl_FragColor ); + gl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 ); } - `,blending:xt,depthTest:!1,depthWrite:!1})}function Id(){return new Vi({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},inputEncoding:{value:Wi[ft]},outputEncoding:{value:Wi[ft]}},vertexShader:oc(),fragmentShader:` + `,blending:Dt,depthTest:!1,depthWrite:!1})}function og(){return new Ke({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},flipEnvMap:{value:-1}},vertexShader:of(),fragmentShader:` precision mediump float; precision mediump int; + uniform float flipEnvMap; + varying vec3 vOutputDirection; uniform samplerCube envMap; - ${lc()} - void main() { - gl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 ); - gl_FragColor.rgb = envMapTexelToLinear( textureCube( envMap, vec3( - vOutputDirection.x, vOutputDirection.yz ) ) ).rgb; - gl_FragColor = linearToOutputTexel( gl_FragColor ); + gl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) ); } - 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x(w){let I=w.skeleton.bones;if(u)return 1024;{let R=Math.floor((h-20)/4),Z=Math.min(R,I.length);return 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Ni(h.textureWidth,h.textureHeight,{format:Tt,type:lt,depthTexture:new ci(h.textureWidth,h.textureHeight,ue,void 0,void 0,void 0,void 0,void 0,void 0,j),stencilBuffer:v.stencil,ignoreDepth:h.ignoreDepthValues,useRenderToTexture:l}):g=new We(h.textureWidth,h.textureHeight,{format:v.alpha?Tt:qn,type:lt,depthTexture:new ci(h.textureWidth,h.textureHeight,ue,void 0,void 0,void 0,void 0,void 0,void 0,j),stencilBuffer:v.stencil,ignoreDepth:h.ignoreDepthValues})}this.setFoveation(0),a=yield i.requestReferenceSpace(o),fe.setContext(i),fe.start(),n.isPresenting=!0,n.dispatchEvent({type:"sessionstart"})}})};function Z(Y){let j=i.inputSources;for(let ue=0;ue0&&(g.alphaTest.value=m.alphaTest);let b=r.get(m).envMap;b&&(g.envMap.value=b,g.flipEnvMap.value=b.isCubeTexture&&b.isRenderTargetTexture===!1?-1:1,g.reflectivity.value=m.reflectivity,g.ior.value=m.ior,g.refractionRatio.value=m.refractionRatio),m.lightMap&&(g.lightMap.value=m.lightMap,g.lightMapIntensity.value=m.lightMapIntensity),m.aoMap&&(g.aoMap.value=m.aoMap,g.aoMapIntensity.value=m.aoMapIntensity);let y;m.map?y=m.map:m.specularMap?y=m.specularMap:m.displacementMap?y=m.displacementMap:m.normalMap?y=m.normalMap:m.bumpMap?y=m.bumpMap:m.roughnessMap?y=m.roughnessMap:m.metalnessMap?y=m.metalnessMap:m.alphaMap?y=m.alphaMap:m.emissiveMap?y=m.emissiveMap:m.clearcoatMap?y=m.clearcoatMap:m.clearcoatNormalMap?y=m.clearcoatNormalMap:m.clearcoatRoughnessMap?y=m.clearcoatRoughnessMap:m.specularIntensityMap?y=m.specularIntensityMap:m.specularColorMap?y=m.specularColorMap:m.transmissionMap?y=m.transmissionMap:m.thicknessMap?y=m.thicknessMap:m.sheenColorMap?y=m.sheenColorMap:m.sheenRoughnessMap&&(y=m.sheenRoughnessMap),y!==void 0&&(y.isWebGLRenderTarget&&(y=y.texture),y.matrixAutoUpdate===!0&&y.updateMatrix(),g.uvTransform.value.copy(y.matrix));let E;m.aoMap?E=m.aoMap:m.lightMap&&(E=m.lightMap),E!==void 0&&(E.isWebGLRenderTarget&&(E=E.texture),E.matrixAutoUpdate===!0&&E.updateMatrix(),g.uv2Transform.value.copy(E.matrix))}function i(g,m){g.diffuse.value.copy(m.color),g.opacity.value=m.opacity}function s(g,m){g.dashSize.value=m.dashSize,g.totalSize.value=m.dashSize+m.gapSize,g.scale.value=m.scale}function a(g,m,b,y){g.diffuse.value.copy(m.color),g.opacity.value=m.opacity,g.size.value=m.size*b,g.scale.value=y*.5,m.map&&(g.map.value=m.map),m.alphaMap&&(g.alphaMap.value=m.alphaMap),m.alphaTest>0&&(g.alphaTest.value=m.alphaTest);let E;m.map?E=m.map:m.alphaMap&&(E=m.alphaMap),E!==void 0&&(E.matrixAutoUpdate===!0&&E.updateMatrix(),g.uvTransform.value.copy(E.matrix))}function o(g,m){g.diffuse.value.copy(m.color),g.opacity.value=m.opacity,g.rotation.value=m.rotation,m.map&&(g.map.value=m.map),m.alphaMap&&(g.alphaMap.value=m.alphaMap),m.alphaTest>0&&(g.alphaTest.value=m.alphaTest);let b;m.map?b=m.map:m.alphaMap&&(b=m.alphaMap),b!==void 0&&(b.matrixAutoUpdate===!0&&b.updateMatrix(),g.uvTransform.value.copy(b.matrix))}function l(g,m){m.emissiveMap&&(g.emissiveMap.value=m.emissiveMap)}function c(g,m){g.specular.value.copy(m.specular),g.shininess.value=Math.max(m.shininess,1e-4),m.emissiveMap&&(g.emissiveMap.value=m.emissiveMap),m.bumpMap&&(g.bumpMap.value=m.bumpMap,g.bumpScale.value=m.bumpScale,m.side===Qe&&(g.bumpScale.value*=-1)),m.normalMap&&(g.normalMap.value=m.normalMap,g.normalScale.value.copy(m.normalScale),m.side===Qe&&g.normalScale.value.negate()),m.displacementMap&&(g.displacementMap.value=m.displacementMap,g.displacementScale.value=m.displacementScale,g.displacementBias.value=m.displacementBias)}function u(g,m){m.gradientMap&&(g.gradientMap.value=m.gradientMap),m.emissiveMap&&(g.emissiveMap.value=m.emissiveMap),m.bumpMap&&(g.bumpMap.value=m.bumpMap,g.bumpScale.value=m.bumpScale,m.side===Qe&&(g.bumpScale.value*=-1)),m.normalMap&&(g.normalMap.value=m.normalMap,g.normalScale.value.copy(m.normalScale),m.side===Qe&&g.normalScale.value.negate()),m.displacementMap&&(g.displacementMap.value=m.displacementMap,g.displacementScale.value=m.displacementScale,g.displacementBias.value=m.displacementBias)}function h(g,m){g.roughness.value=m.roughness,g.metalness.value=m.metalness,m.roughnessMap&&(g.roughnessMap.value=m.roughnessMap),m.metalnessMap&&(g.metalnessMap.value=m.metalnessMap),m.emissiveMap&&(g.emissiveMap.value=m.emissiveMap),m.bumpMap&&(g.bumpMap.value=m.bumpMap,g.bumpScale.value=m.bumpScale,m.side===Qe&&(g.bumpScale.value*=-1)),m.normalMap&&(g.normalMap.value=m.normalMap,g.normalScale.value.copy(m.normalScale),m.side===Qe&&g.normalScale.value.negate()),m.displacementMap&&(g.displacementMap.value=m.displacementMap,g.displacementScale.value=m.displacementScale,g.displacementBias.value=m.displacementBias),r.get(m).envMap&&(g.envMapIntensity.value=m.envMapIntensity)}function d(g,m,b){h(g,m),g.ior.value=m.ior,m.sheen>0&&(g.sheenColor.value.copy(m.sheenColor).multiplyScalar(m.sheen),g.sheenRoughness.value=m.sheenRoughness,m.sheenColorMap&&(g.sheenColorMap.value=m.sheenColorMap),m.sheenRoughnessMap&&(g.sheenRoughnessMap.value=m.sheenRoughnessMap)),m.clearcoat>0&&(g.clearcoat.value=m.clearcoat,g.clearcoatRoughness.value=m.clearcoatRoughness,m.clearcoatMap&&(g.clearcoatMap.value=m.clearcoatMap),m.clearcoatRoughnessMap&&(g.clearcoatRoughnessMap.value=m.clearcoatRoughnessMap),m.clearcoatNormalMap&&(g.clearcoatNormalScale.value.copy(m.clearcoatNormalScale),g.clearcoatNormalMap.value=m.clearcoatNormalMap,m.side===Qe&&g.clearcoatNormalScale.value.negate())),m.transmission>0&&(g.transmission.value=m.transmission,g.transmissionSamplerMap.value=b.texture,g.transmissionSamplerSize.value.set(b.width,b.height),m.transmissionMap&&(g.transmissionMap.value=m.transmissionMap),g.thickness.value=m.thickness,m.thicknessMap&&(g.thicknessMap.value=m.thicknessMap),g.attenuationDistance.value=m.attenuationDistance,g.attenuationColor.value.copy(m.attenuationColor)),g.specularIntensity.value=m.specularIntensity,g.specularColor.value.copy(m.specularColor),m.specularIntensityMap&&(g.specularIntensityMap.value=m.specularIntensityMap),m.specularColorMap&&(g.specularColorMap.value=m.specularColorMap)}function f(g,m){m.matcap&&(g.matcap.value=m.matcap),m.bumpMap&&(g.bumpMap.value=m.bumpMap,g.bumpScale.value=m.bumpScale,m.side===Qe&&(g.bumpScale.value*=-1)),m.normalMap&&(g.normalMap.value=m.normalMap,g.normalScale.value.copy(m.normalScale),m.side===Qe&&g.normalScale.value.negate()),m.displacementMap&&(g.displacementMap.value=m.displacementMap,g.displacementScale.value=m.displacementScale,g.displacementBias.value=m.displacementBias)}function p(g,m){m.displacementMap&&(g.displacementMap.value=m.displacementMap,g.displacementScale.value=m.displacementScale,g.displacementBias.value=m.displacementBias)}function v(g,m){m.displacementMap&&(g.displacementMap.value=m.displacementMap,g.displacementScale.value=m.displacementScale,g.displacementBias.value=m.displacementBias),g.referencePosition.value.copy(m.referencePosition),g.nearDistance.value=m.nearDistance,g.farDistance.value=m.farDistance}function x(g,m){m.bumpMap&&(g.bumpMap.value=m.bumpMap,g.bumpScale.value=m.bumpScale,m.side===Qe&&(g.bumpScale.value*=-1)),m.normalMap&&(g.normalMap.value=m.normalMap,g.normalScale.value.copy(m.normalScale),m.side===Qe&&g.normalScale.value.negate()),m.displacementMap&&(g.displacementMap.value=m.displacementMap,g.displacementScale.value=m.displacementScale,g.displacementBias.value=m.displacementBias)}return{refreshFogUniforms:e,refreshMaterialUniforms:t}}function Gy(){let r=_a("canvas");return r.style.display="block",r}function Ze(r={}){let e=r.canvas!==void 0?r.canvas:Gy(),t=r.context!==void 0?r.context:null,n=r.alpha!==void 0?r.alpha:!1,i=r.depth!==void 0?r.depth:!0,s=r.stencil!==void 0?r.stencil:!0,a=r.antialias!==void 0?r.antialias:!1,o=r.premultipliedAlpha!==void 0?r.premultipliedAlpha:!0,l=r.preserveDrawingBuffer!==void 0?r.preserveDrawingBuffer:!1,c=r.powerPreference!==void 0?r.powerPreference:"default",u=r.failIfMajorPerformanceCaveat!==void 0?r.failIfMajorPerformanceCaveat:!1,h=null,d=null,f=[],p=[];this.domElement=e,this.debug={checkShaderErrors:!0},this.autoClear=!0,this.autoClearColor=!0,this.autoClearDepth=!0,this.autoClearStencil=!0,this.sortObjects=!0,this.clippingPlanes=[],this.localClippingEnabled=!1,this.gammaFactor=2,this.outputEncoding=ft,this.physicallyCorrectLights=!1,this.toneMapping=Qn,this.toneMappingExposure=1;let v=this,x=!1,g=0,m=0,b=null,y=-1,E=null,_=new Ve,w=new Ve,D=null,I=e.width,L=e.height,R=1,Z=null,F=null,U=new Ve(0,0,I,L),z=new Ve(0,0,I,L),N=!1,G=[],ne=new Dr,fe=!1,Y=!1,j=null,ue=new ge,oe=new A,ve={background:null,fog:null,environment:null,overrideMaterial:null,isScene:!0};function Oe(){return b===null?R:1}let J=t;function Re(M,B){for(let k=0;k0?d=p[p.length-1]:d=null,f.pop(),f.length>0?h=f[f.length-1]:h=null};function _u(M,B,k,H){if(M.visible===!1)return;if(M.layers.test(B.layers)){if(M.isGroup)k=M.renderOrder;else if(M.isLOD)M.autoUpdate===!0&&M.update(B);else if(M.isLight)d.pushLight(M),M.castShadow&&d.pushShadow(M);else if(M.isSprite){if(!M.frustumCulled||ne.intersectsSprite(M)){H&&oe.setFromMatrixPosition(M.matrixWorld).applyMatrix4(ue);let Ae=Se.update(M),Le=M.material;Le.visible&&h.push(M,Ae,Le,k,oe.z,null)}}else if((M.isMesh||M.isLine||M.isPoints)&&(M.isSkinnedMesh&&M.skeleton.frame!==Ue.render.frame&&(M.skeleton.update(),M.skeleton.frame=Ue.render.frame),!M.frustumCulled||ne.intersectsObject(M))){H&&oe.setFromMatrixPosition(M.matrixWorld).applyMatrix4(ue);let Ae=Se.update(M),Le=M.material;if(Array.isArray(Le)){let Ce=Ae.groups;for(let ke=0,Ie=Ce.length;ke0&&cm(X,B,k),H&&we.viewport(_.copy(H)),X.length>0&&ma(X,B,k),Te.length>0&&ma(Te,B,k),Ae.length>0&&ma(Ae,B,k)}function cm(M,B,k){if(j===null){let Ae=a===!0&&xe.isWebGL2===!0?Ni:We;j=new Ae(1024,1024,{generateMipmaps:!0,type:T.convert(Ii)!==null?Ii:lt,minFilter:Pi,magFilter:At,wrapS:_t,wrapT:_t,useRenderToTexture:be.has("WEBGL_multisampled_render_to_texture")})}let H=v.getRenderTarget();v.setRenderTarget(j),v.clear();let X=v.toneMapping;v.toneMapping=Qn,ma(M,B,k),v.toneMapping=X,ee.updateMultisampleRenderTarget(j),ee.updateRenderTargetMipmap(j),v.setRenderTarget(H)}function ma(M,B,k){let H=B.isScene===!0?B.overrideMaterial:null;for(let X=0,Te=M.length;X=0&&B<=M.width-H&&k>=0&&k<=M.height-X&&J.readPixels(B,k,H,X,T.convert(ke),T.convert(Ie),Te):console.error("THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.")}finally{let Ce=b!==null?W.get(b).__webglFramebuffer:null;we.bindFramebuffer(36160,Ce)}}},this.copyFramebufferToTexture=function(M,B,k=0){let H=Math.pow(2,-k),X=Math.floor(B.image.width*H),Te=Math.floor(B.image.height*H),Ae=T.convert(B.format);xe.isWebGL2&&(Ae===6407&&(Ae=32849),Ae===6408&&(Ae=32856)),ee.setTexture2D(B,0),J.copyTexImage2D(3553,k,Ae,M.x,M.y,X,Te,0),we.unbindTexture()},this.copyTextureToTexture=function(M,B,k,H=0){let X=B.image.width,Te=B.image.height,Ae=T.convert(k.format),Le=T.convert(k.type);ee.setTexture2D(k,0),J.pixelStorei(37440,k.flipY),J.pixelStorei(37441,k.premultiplyAlpha),J.pixelStorei(3317,k.unpackAlignment),B.isDataTexture?J.texSubImage2D(3553,H,M.x,M.y,X,Te,Ae,Le,B.image.data):B.isCompressedTexture?J.compressedTexSubImage2D(3553,H,M.x,M.y,B.mipmaps[0].width,B.mipmaps[0].height,Ae,B.mipmaps[0].data):J.texSubImage2D(3553,H,M.x,M.y,Ae,Le,B.image),H===0&&k.generateMipmaps&&J.generateMipmap(3553),we.unbindTexture()},this.copyTextureToTexture3D=function(M,B,k,H,X=0){if(v.isWebGL1Renderer){console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.");return}let Te=M.max.x-M.min.x+1,Ae=M.max.y-M.min.y+1,Le=M.max.z-M.min.z+1,Ce=T.convert(H.format),ke=T.convert(H.type),Ie;if(H.isDataTexture3D)ee.setTexture3D(H,0),Ie=32879;else if(H.isDataTexture2DArray)ee.setTexture2DArray(H,0),Ie=35866;else{console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.");return}J.pixelStorei(37440,H.flipY),J.pixelStorei(37441,H.premultiplyAlpha),J.pixelStorei(3317,H.unpackAlignment);let He=J.getParameter(3314),ht=J.getParameter(32878),Ei=J.getParameter(3316),Xe=J.getParameter(3315),ps=J.getParameter(32877),it=k.isCompressedTexture?k.mipmaps[0]:k.image;J.pixelStorei(3314,it.width),J.pixelStorei(32878,it.height),J.pixelStorei(3316,M.min.x),J.pixelStorei(3315,M.min.y),J.pixelStorei(32877,M.min.z),k.isDataTexture||k.isDataTexture3D?J.texSubImage3D(Ie,X,B.x,B.y,B.z,Te,Ae,Le,Ce,ke,it.data):k.isCompressedTexture?(console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: untested support for compressed 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ui=class{constructor(e,t){this.array=e,this.stride=t,this.count=e!==void 0?e.length/t:0,this.usage=fr,this.updateRange={offset:0,count:-1},this.version=0,this.uuid=Wt()}onUploadCallback(){}set needsUpdate(e){e===!0&&this.version++}setUsage(e){return this.usage=e,this}copy(e){return this.array=new e.array.constructor(e.array),this.count=e.count,this.stride=e.stride,this.usage=e.usage,this}copyAt(e,t,n){e*=this.stride,n*=t.stride;for(let i=0,s=this.stride;ie.far||t.push({distance:l,point:Vs.clone(),uv:pt.getUV(Vs,Ja,Ys,Ka,cf,hc,uf,new O),face:null,object:this})}copy(e){return super.copy(e),e.center!==void 0&&this.center.copy(e.center),this.material=e.material,this}};Qi.prototype.isSprite=!0;function $a(r,e,t,n,i,s){zr.subVectors(r,t).addScalar(.5).multiply(n),i!==void 0?(Ws.x=s*zr.x-i*zr.y,Ws.y=i*zr.x+s*zr.y):Ws.copy(zr),r.copy(e),r.x+=Ws.x,r.y+=Ws.y,r.applyMatrix4(lf)}var eo=new A,hf=new A,Gr=class extends 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transmission(e){this._transmission>0!=e>0&&this.version++,this._transmission=e}copy(e){return super.copy(e),this.defines={STANDARD:"",PHYSICAL:""},this.clearcoat=e.clearcoat,this.clearcoatMap=e.clearcoatMap,this.clearcoatRoughness=e.clearcoatRoughness,this.clearcoatRoughnessMap=e.clearcoatRoughnessMap,this.clearcoatNormalMap=e.clearcoatNormalMap,this.clearcoatNormalScale.copy(e.clearcoatNormalScale),this.ior=e.ior,this.sheen=e.sheen,this.sheenColor.copy(e.sheenColor),this.sheenColorMap=e.sheenColorMap,this.sheenRoughness=e.sheenRoughness,this.sheenRoughnessMap=e.sheenRoughnessMap,this.transmission=e.transmission,this.transmissionMap=e.transmissionMap,this.thickness=e.thickness,this.thicknessMap=e.thicknessMap,this.attenuationDistance=e.attenuationDistance,this.attenuationColor.copy(e.attenuationColor),this.specularIntensity=e.specularIntensity,this.specularIntensityMap=e.specularIntensityMap,this.specularColor.copy(e.specularColor),this.specularColorMap=e.specularColorMap,this}};Ao.prototype.isMeshPhysicalMaterial=!0;var ts=class extends tt{constructor(e){super();this.type="MeshPhongMaterial",this.color=new $(16777215),this.specular=new $(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new $(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Fi,this.normalScale=new O(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=vs,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.specular.copy(e.specular),this.shininess=e.shininess,this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.flatShading=e.flatShading,this}};ts.prototype.isMeshPhongMaterial=!0;var Eo=class extends tt{constructor(e){super();this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new $(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new $(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Fi,this.normalScale=new O(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.gradientMap=e.gradientMap,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this}};Eo.prototype.isMeshToonMaterial=!0;var Mo=class extends tt{constructor(e){super();this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Fi,this.normalScale=new O(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.flatShading=e.flatShading,this}};Mo.prototype.isMeshNormalMaterial=!0;var So=class extends tt{constructor(e){super();this.type="MeshLambertMaterial",this.color=new $(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new $(0),this.emissiveIntensity=1,this.emissiveMap=null,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=vs,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this}};So.prototype.isMeshLambertMaterial=!0;var _o=class extends tt{constructor(e){super();this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new $(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Fi,this.normalScale=new O(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.defines={MATCAP:""},this.color.copy(e.color),this.matcap=e.matcap,this.map=e.map,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.flatShading=e.flatShading,this}};_o.prototype.isMeshMatcapMaterial=!0;var To=class extends 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rs=class{constructor(e,t=-1,n,i=ba){this.name=e,this.tracks=n,this.duration=t,this.blendMode=i,this.uuid=Wt(),this.duration<0&&this.resetDuration()}static parse(e){let t=[],n=e.tracks,i=1/(e.fps||1);for(let a=0,o=n.length;a!==o;++a)t.push(yw(n[a]).scale(i));let s=new this(e.name,e.duration,t,e.blendMode);return s.uuid=e.uuid,s}static toJSON(e){let t=[],n=e.tracks,i={name:e.name,duration:e.duration,tracks:t,uuid:e.uuid,blendMode:e.blendMode};for(let s=0,a=n.length;s!==a;++s)t.push($t.toJSON(n[s]));return i}static CreateFromMorphTargetSequence(e,t,n,i){let s=t.length,a=[];for(let o=0;o1){let h=u[1],d=i[h];d||(i[h]=d=[]),d.push(c)}}let a=[];for(let o in i)a.push(this.CreateFromMorphTargetSequence(o,i[o],t,n));return a}static parseAnimation(e,t){if(!e)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;let n=function(h,d,f,p,v){if(f.length!==0){let x=[],g=[];rt.flattenJSON(f,x,g,p),x.length!==0&&v.push(new 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in e.extensions)i.extensions[s]=e.extensions[s];if(e.shading!==void 0&&(i.flatShading=e.shading===1),e.size!==void 0&&(i.size=e.size),e.sizeAttenuation!==void 0&&(i.sizeAttenuation=e.sizeAttenuation),e.map!==void 0&&(i.map=n(e.map)),e.matcap!==void 0&&(i.matcap=n(e.matcap)),e.alphaMap!==void 0&&(i.alphaMap=n(e.alphaMap)),e.bumpMap!==void 0&&(i.bumpMap=n(e.bumpMap)),e.bumpScale!==void 0&&(i.bumpScale=e.bumpScale),e.normalMap!==void 0&&(i.normalMap=n(e.normalMap)),e.normalMapType!==void 0&&(i.normalMapType=e.normalMapType),e.normalScale!==void 0){let s=e.normalScale;Array.isArray(s)===!1&&(s=[s,s]),i.normalScale=new O().fromArray(s)}return e.displacementMap!==void 0&&(i.displacementMap=n(e.displacementMap)),e.displacementScale!==void 0&&(i.displacementScale=e.displacementScale),e.displacementBias!==void 0&&(i.displacementBias=e.displacementBias),e.roughnessMap!==void 0&&(i.roughnessMap=n(e.roughnessMap)),e.metalnessMap!==void 0&&(i.metalnessMap=n(e.metalnessMap)),e.emissiveMap!==void 0&&(i.emissiveMap=n(e.emissiveMap)),e.emissiveIntensity!==void 0&&(i.emissiveIntensity=e.emissiveIntensity),e.specularMap!==void 0&&(i.specularMap=n(e.specularMap)),e.specularIntensityMap!==void 0&&(i.specularIntensityMap=n(e.specularIntensityMap)),e.specularColorMap!==void 0&&(i.specularColorMap=n(e.specularColorMap)),e.envMap!==void 0&&(i.envMap=n(e.envMap)),e.envMapIntensity!==void 0&&(i.envMapIntensity=e.envMapIntensity),e.reflectivity!==void 0&&(i.reflectivity=e.reflectivity),e.refractionRatio!==void 0&&(i.refractionRatio=e.refractionRatio),e.lightMap!==void 0&&(i.lightMap=n(e.lightMap)),e.lightMapIntensity!==void 0&&(i.lightMapIntensity=e.lightMapIntensity),e.aoMap!==void 0&&(i.aoMap=n(e.aoMap)),e.aoMapIntensity!==void 0&&(i.aoMapIntensity=e.aoMapIntensity),e.gradientMap!==void 0&&(i.gradientMap=n(e.gradientMap)),e.clearcoatMap!==void 0&&(i.clearcoatMap=n(e.clearcoatMap)),e.clearcoatRoughnessMap!==void 0&&(i.clearcoatRoughnessMap=n(e.clearcoatRoughnessMap)),e.clearcoatNormalMap!==void 0&&(i.clearcoatNormalMap=n(e.clearcoatNormalMap)),e.clearcoatNormalScale!==void 0&&(i.clearcoatNormalScale=new O().fromArray(e.clearcoatNormalScale)),e.transmissionMap!==void 0&&(i.transmissionMap=n(e.transmissionMap)),e.thicknessMap!==void 0&&(i.thicknessMap=n(e.thicknessMap)),e.sheenColorMap!==void 0&&(i.sheenColorMap=n(e.sheenColorMap)),e.sheenRoughnessMap!==void 0&&(i.sheenRoughnessMap=n(e.sheenRoughnessMap)),i}setTextures(e){return this.textures=e,this}},aa=class{static decodeText(e){if(typeof TextDecoder!="undefined")return new TextDecoder().decode(e);let t="";for(let n=0,i=e.length;n0){let l=new ss(t);s=new as(l),s.setCrossOrigin(this.crossOrigin);for(let c=0,u=e.length;c0){i=new as(this.manager),i.setCrossOrigin(this.crossOrigin);for(let a=0,o=e.length;a0){this.source.connect(this.filters[0]);for(let e=1,t=this.filters.length;e0){this.source.disconnect(this.filters[0]);for(let e=1,t=this.filters.length;e0&&this._mixBufferRegionAdditive(n,i,this._addIndex*t,1,t);for(let l=t,c=t+t;l!==c;++l)if(n[l]!==n[l+t]){o.setValue(n,i);break}}saveOriginalState(){let e=this.binding,t=this.buffer,n=this.valueSize,i=n*this._origIndex;e.getValue(t,i);for(let s=n,a=i;s!==a;++s)t[s]=t[i+s%n];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){let e=this.valueSize*3;this.binding.setValue(this.buffer,e)}_setAdditiveIdentityNumeric(){let e=this._addIndex*this.valueSize,t=e+this.valueSize;for(let n=e;n=.5)for(let a=0;a!==s;++a)e[t+a]=e[n+a]}_slerp(e,t,n,i){yt.slerpFlat(e,t,e,t,e,n,i)}_slerpAdditive(e,t,n,i,s){let a=this._workIndex*s;yt.multiplyQuaternionsFlat(e,a,e,t,e,n),yt.slerpFlat(e,t,e,t,e,a,i)}_lerp(e,t,n,i,s){let a=1-i;for(let o=0;o!==s;++o){let l=t+o;e[l]=e[l]*a+e[n+o]*i}}_lerpAdditive(e,t,n,i,s){for(let a=0;a!==s;++a){let o=t+a;e[o]=e[o]+e[n+a]*i}}},Yc="\\[\\]\\.:\\/",Ew=new RegExp("["+Yc+"]","g"),jc="[^"+Yc+"]",Mw="[^"+Yc.replace("\\.","")+"]",Sw=/((?:WC+[\/:])*)/.source.replace("WC",jc),_w=/(WCOD+)?/.source.replace("WCOD",Mw),Tw=/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",jc),Cw=/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",jc),Dw=new RegExp("^"+Sw+_w+Tw+Cw+"$"),Rw=["material","materials","bones"],$f=class{constructor(e,t,n){let i=n||Ge.parseTrackName(t);this._targetGroup=e,this._bindings=e.subscribe_(t,i)}getValue(e,t){this.bind();let n=this._targetGroup.nCachedObjects_,i=this._bindings[n];i!==void 0&&i.getValue(e,t)}setValue(e,t){let n=this._bindings;for(let i=this._targetGroup.nCachedObjects_,s=n.length;i!==s;++i)n[i].setValue(e,t)}bind(){let e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,n=e.length;t!==n;++t)e[t].bind()}unbind(){let e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,n=e.length;t!==n;++t)e[t].unbind()}},Ge=class{constructor(e,t,n){this.path=t,this.parsedPath=n||Ge.parseTrackName(t),this.node=Ge.findNode(e,this.parsedPath.nodeName)||e,this.rootNode=e,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(e,t,n){return e&&e.isAnimationObjectGroup?new Ge.Composite(e,t,n):new Ge(e,t,n)}static sanitizeNodeName(e){return e.replace(/\s/g,"_").replace(Ew,"")}static parseTrackName(e){let t=Dw.exec(e);if(!t)throw new Error("PropertyBinding: Cannot parse trackName: "+e);let n={nodeName:t[2],objectName:t[3],objectIndex:t[4],propertyName:t[5],propertyIndex:t[6]},i=n.nodeName&&n.nodeName.lastIndexOf(".");if(i!==void 0&&i!==-1){let s=n.nodeName.substring(i+1);Rw.indexOf(s)!==-1&&(n.nodeName=n.nodeName.substring(0,i),n.objectName=s)}if(n.propertyName===null||n.propertyName.length===0)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+e);return n}static findNode(e,t){if(!t||t===""||t==="."||t===-1||t===e.name||t===e.uuid)return e;if(e.skeleton){let n=e.skeleton.getBoneByName(t);if(n!==void 0)return n}if(e.children){let n=function(s){for(let a=0;a=s){let h=s++,d=e[h];t[d.uuid]=u,e[u]=d,t[c]=h,e[h]=l;for(let f=0,p=i;f!==p;++f){let v=n[f],x=v[h],g=v[u];v[u]=x,v[h]=g}}}this.nCachedObjects_=s}uncache(){let e=this._objects,t=this._indicesByUUID,n=this._bindings,i=n.length,s=this.nCachedObjects_,a=e.length;for(let o=0,l=arguments.length;o!==l;++o){let c=arguments[o],u=c.uuid,h=t[u];if(h!==void 0)if(delete t[u],h0&&(t[f.uuid]=h),e[h]=f,e.pop();for(let p=0,v=i;p!==v;++p){let x=n[p];x[h]=x[d],x.pop()}}}this.nCachedObjects_=s}subscribe_(e,t){let n=this._bindingsIndicesByPath,i=n[e],s=this._bindings;if(i!==void 0)return s[i];let a=this._paths,o=this._parsedPaths,l=this._objects,c=l.length,u=this.nCachedObjects_,h=new Array(c);i=s.length,n[e]=i,a.push(e),o.push(t),s.push(h);for(let d=u,f=l.length;d!==f;++d){let p=l[d];h[d]=new Ge(p,e,t)}return h}unsubscribe_(e){let t=this._bindingsIndicesByPath,n=t[e];if(n!==void 0){let i=this._paths,s=this._parsedPaths,a=this._bindings,o=a.length-1,l=a[o],c=e[o];t[c]=n,a[n]=l,a.pop(),s[n]=s[o],s.pop(),i[n]=i[o],i.pop()}}};Xc.prototype.isAnimationObjectGroup=!0;var ep=class{constructor(e,t,n=null,i=t.blendMode){this._mixer=e,this._clip=t,this._localRoot=n,this.blendMode=i;let s=t.tracks,a=s.length,o=new Array(a),l={endingStart:Bi,endingEnd:Bi};for(let c=0;c!==a;++c){let u=s[c].createInterpolant(null);o[c]=u,u.settings=l}this._interpolantSettings=l,this._interpolants=o,this._propertyBindings=new Array(a),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=id,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&this.timeScale!==0&&this._startTime===null&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(e){return this._startTime=e,this}setLoop(e,t){return this.loop=e,this.repetitions=t,this}setEffectiveWeight(e){return this.weight=e,this._effectiveWeight=this.enabled?e:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(e){return this._scheduleFading(e,0,1)}fadeOut(e){return this._scheduleFading(e,1,0)}crossFadeFrom(e,t,n){if(e.fadeOut(t),this.fadeIn(t),n){let i=this._clip.duration,s=e._clip.duration,a=s/i,o=i/s;e.warp(1,a,t),this.warp(o,1,t)}return this}crossFadeTo(e,t,n){return e.crossFadeFrom(this,t,n)}stopFading(){let e=this._weightInterpolant;return e!==null&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}setEffectiveTimeScale(e){return this.timeScale=e,this._effectiveTimeScale=this.paused?0:e,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(e){return this.timeScale=this._clip.duration/e,this.stopWarping()}syncWith(e){return this.time=e.time,this.timeScale=e.timeScale,this.stopWarping()}halt(e){return this.warp(this._effectiveTimeScale,0,e)}warp(e,t,n){let i=this._mixer,s=i.time,a=this.timeScale,o=this._timeScaleInterpolant;o===null&&(o=i._lendControlInterpolant(),this._timeScaleInterpolant=o);let l=o.parameterPositions,c=o.sampleValues;return l[0]=s,l[1]=s+n,c[0]=e/a,c[1]=t/a,this}stopWarping(){let e=this._timeScaleInterpolant;return e!==null&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(e,t,n,i){if(!this.enabled){this._updateWeight(e);return}let s=this._startTime;if(s!==null){let l=(e-s)*n;if(l<0||n===0)return;this._startTime=null,t=n*l}t*=this._updateTimeScale(e);let a=this._updateTime(t),o=this._updateWeight(e);if(o>0){let l=this._interpolants,c=this._propertyBindings;switch(this.blendMode){case wl:for(let u=0,h=l.length;u!==h;++u)l[u].evaluate(a),c[u].accumulateAdditive(o);break;case ba:default:for(let u=0,h=l.length;u!==h;++u)l[u].evaluate(a),c[u].accumulate(i,o)}}}_updateWeight(e){let t=0;if(this.enabled){t=this.weight;let n=this._weightInterpolant;if(n!==null){let i=n.evaluate(e)[0];t*=i,e>n.parameterPositions[1]&&(this.stopFading(),i===0&&(this.enabled=!1))}}return this._effectiveWeight=t,t}_updateTimeScale(e){let t=0;if(!this.paused){t=this.timeScale;let n=this._timeScaleInterpolant;n!==null&&(t*=n.evaluate(e)[0],e>n.parameterPositions[1]&&(this.stopWarping(),t===0?this.paused=!0:this.timeScale=t))}return this._effectiveTimeScale=t,t}_updateTime(e){let t=this._clip.duration,n=this.loop,i=this.time+e,s=this._loopCount,a=n===rd;if(e===0)return s===-1?i:a&&(s&1)==1?t-i:i;if(n===nd){s===-1&&(this._loopCount=0,this._setEndings(!0,!0,!1));e:{if(i>=t)i=t;else if(i<0)i=0;else{this.time=i;break e}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:e<0?-1:1})}}else{if(s===-1&&(e>=0?(s=0,this._setEndings(!0,this.repetitions===0,a)):this._setEndings(this.repetitions===0,!0,a)),i>=t||i<0){let o=Math.floor(i/t);i-=t*o,s+=Math.abs(o);let l=this.repetitions-s;if(l<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,i=e>0?t:0,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:e>0?1:-1});else{if(l===1){let c=e<0;this._setEndings(c,!c,a)}else this._setEndings(!1,!1,a);this._loopCount=s,this.time=i,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:o})}}else this.time=i;if(a&&(s&1)==1)return t-i}return i}_setEndings(e,t,n){let i=this._interpolantSettings;n?(i.endingStart=Ui,i.endingEnd=Ui):(e?i.endingStart=this.zeroSlopeAtStart?Ui:Bi:i.endingStart=Ss,t?i.endingEnd=this.zeroSlopeAtEnd?Ui:Bi:i.endingEnd=Ss)}_scheduleFading(e,t,n){let i=this._mixer,s=i.time,a=this._weightInterpolant;a===null&&(a=i._lendControlInterpolant(),this._weightInterpolant=a);let o=a.parameterPositions,l=a.sampleValues;return o[0]=s,l[0]=t,o[1]=s+e,l[1]=n,this}},Qc=class extends Rt{constructor(e){super();this._root=e,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(e,t){let n=e._localRoot||this._root,i=e._clip.tracks,s=i.length,a=e._propertyBindings,o=e._interpolants,l=n.uuid,c=this._bindingsByRootAndName,u=c[l];u===void 0&&(u={},c[l]=u);for(let h=0;h!==s;++h){let d=i[h],f=d.name,p=u[f];if(p!==void 0)a[h]=p;else{if(p=a[h],p!==void 0){p._cacheIndex===null&&(++p.referenceCount,this._addInactiveBinding(p,l,f));continue}let v=t&&t._propertyBindings[h].binding.parsedPath;p=new Wc(Ge.create(n,f,v),d.ValueTypeName,d.getValueSize()),++p.referenceCount,this._addInactiveBinding(p,l,f),a[h]=p}o[h].resultBuffer=p.buffer}}_activateAction(e){if(!this._isActiveAction(e)){if(e._cacheIndex===null){let n=(e._localRoot||this._root).uuid,i=e._clip.uuid,s=this._actionsByClip[i];this._bindAction(e,s&&s.knownActions[0]),this._addInactiveAction(e,i,n)}let t=e._propertyBindings;for(let n=0,i=t.length;n!==i;++n){let s=t[n];s.useCount++==0&&(this._lendBinding(s),s.saveOriginalState())}this._lendAction(e)}}_deactivateAction(e){if(this._isActiveAction(e)){let t=e._propertyBindings;for(let n=0,i=t.length;n!==i;++n){let s=t[n];--s.useCount==0&&(s.restoreOriginalState(),this._takeBackBinding(s))}this._takeBackAction(e)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;let e=this;this.stats={actions:{get total(){return e._actions.length},get inUse(){return e._nActiveActions}},bindings:{get total(){return e._bindings.length},get inUse(){return e._nActiveBindings}},controlInterpolants:{get total(){return e._controlInterpolants.length},get inUse(){return e._nActiveControlInterpolants}}}}_isActiveAction(e){let t=e._cacheIndex;return t!==null&&t=0;--n)e[n].stop();return this}update(e){e*=this.timeScale;let t=this._actions,n=this._nActiveActions,i=this.time+=e,s=Math.sign(e),a=this._accuIndex^=1;for(let c=0;c!==n;++c)t[c]._update(i,e,s,a);let o=this._bindings,l=this._nActiveBindings;for(let c=0;c!==l;++c)o[c].apply(a);return this}setTime(e){this.time=0;for(let t=0;tthis.max.x||e.ythis.max.y)}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y}getParameter(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(e){return!(e.max.xthis.max.x||e.max.ythis.max.y)}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return rp.copy(e).clamp(this.min,this.max).sub(e).length()}intersect(e){return this.min.max(e.min),this.max.min(e.max),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}};sr.prototype.isBox2=!0;var sp=new A,Ho=new A,Kc=class{constructor(e=new A,t=new A){this.start=e,this.end=t}set(e,t){return this.start.copy(e),this.end.copy(t),this}copy(e){return this.start.copy(e.start),this.end.copy(e.end),this}getCenter(e){return e.addVectors(this.start,this.end).multiplyScalar(.5)}delta(e){return e.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(e,t){return this.delta(t).multiplyScalar(e).add(this.start)}closestPointToPointParameter(e,t){sp.subVectors(e,this.start),Ho.subVectors(this.end,this.start);let n=Ho.dot(Ho),s=Ho.dot(sp)/n;return t&&(s=Lt(s,0,1)),s}closestPointToPoint(e,t,n){let i=this.closestPointToPointParameter(e,t);return this.delta(n).multiplyScalar(i).add(this.start)}applyMatrix4(e){return 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Use LoadingManager.getHandler() instead.")}};function ob(r){return console.warn("THREE.XHRLoader has been renamed to THREE.FileLoader."),new Qt(r)}function lb(r){return console.warn("THREE.BinaryTextureLoader has been renamed to THREE.DataTextureLoader."),new Rc(r)}sr.prototype.center=function(r){return console.warn("THREE.Box2: .center() has been renamed to .getCenter()."),this.getCenter(r)};sr.prototype.empty=function(){return console.warn("THREE.Box2: .empty() has been renamed to .isEmpty()."),this.isEmpty()};sr.prototype.isIntersectionBox=function(r){return console.warn("THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(r)};sr.prototype.size=function(r){return console.warn("THREE.Box2: .size() has been renamed to .getSize()."),this.getSize(r)};Bt.prototype.center=function(r){return console.warn("THREE.Box3: .center() has been renamed to .getCenter()."),this.getCenter(r)};Bt.prototype.empty=function(){return console.warn("THREE.Box3: .empty() has been renamed to .isEmpty()."),this.isEmpty()};Bt.prototype.isIntersectionBox=function(r){return console.warn("THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(r)};Bt.prototype.isIntersectionSphere=function(r){return console.warn("THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere()."),this.intersectsSphere(r)};Bt.prototype.size=function(r){return console.warn("THREE.Box3: .size() has been renamed to .getSize()."),this.getSize(r)};Un.prototype.empty=function(){return console.warn("THREE.Sphere: .empty() has been renamed to .isEmpty()."),this.isEmpty()};Dr.prototype.setFromMatrix=function(r){return console.warn("THREE.Frustum: .setFromMatrix() has been renamed to .setFromProjectionMatrix()."),this.setFromProjectionMatrix(r)};Kc.prototype.center=function(r){return console.warn("THREE.Line3: .center() has been renamed to .getCenter()."),this.getCenter(r)};Et.prototype.flattenToArrayOffset=function(r,e){return console.warn("THREE.Matrix3: .flattenToArrayOffset() has been deprecated. Use .toArray() instead."),this.toArray(r,e)};Et.prototype.multiplyVector3=function(r){return console.warn("THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead."),r.applyMatrix3(this)};Et.prototype.multiplyVector3Array=function(){console.error("THREE.Matrix3: .multiplyVector3Array() has been removed.")};Et.prototype.applyToBufferAttribute=function(r){return console.warn("THREE.Matrix3: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix3( matrix ) instead."),r.applyMatrix3(this)};Et.prototype.applyToVector3Array=function(){console.error("THREE.Matrix3: .applyToVector3Array() has been removed.")};Et.prototype.getInverse=function(r){return console.warn("THREE.Matrix3: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead."),this.copy(r).invert()};ge.prototype.extractPosition=function(r){return console.warn("THREE.Matrix4: .extractPosition() has been renamed to .copyPosition()."),this.copyPosition(r)};ge.prototype.flattenToArrayOffset=function(r,e){return console.warn("THREE.Matrix4: .flattenToArrayOffset() has been deprecated. Use .toArray() instead."),this.toArray(r,e)};ge.prototype.getPosition=function(){return console.warn("THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead."),new A().setFromMatrixColumn(this,3)};ge.prototype.setRotationFromQuaternion=function(r){return console.warn("THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion()."),this.makeRotationFromQuaternion(r)};ge.prototype.multiplyToArray=function(){console.warn("THREE.Matrix4: .multiplyToArray() has been removed.")};ge.prototype.multiplyVector3=function(r){return console.warn("THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) instead."),r.applyMatrix4(this)};ge.prototype.multiplyVector4=function(r){return console.warn("THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead."),r.applyMatrix4(this)};ge.prototype.multiplyVector3Array=function(){console.error("THREE.Matrix4: .multiplyVector3Array() has been removed.")};ge.prototype.rotateAxis=function(r){console.warn("THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead."),r.transformDirection(this)};ge.prototype.crossVector=function(r){return console.warn("THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead."),r.applyMatrix4(this)};ge.prototype.translate=function(){console.error("THREE.Matrix4: .translate() has been removed.")};ge.prototype.rotateX=function(){console.error("THREE.Matrix4: .rotateX() has been removed.")};ge.prototype.rotateY=function(){console.error("THREE.Matrix4: .rotateY() has been removed.")};ge.prototype.rotateZ=function(){console.error("THREE.Matrix4: .rotateZ() has been removed.")};ge.prototype.rotateByAxis=function(){console.error("THREE.Matrix4: .rotateByAxis() has been removed.")};ge.prototype.applyToBufferAttribute=function(r){return console.warn("THREE.Matrix4: .applyToBufferAttribute() has been removed. 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Use is now vector.applyQuaternion( quaternion ) instead."),r.applyQuaternion(this)};yt.prototype.inverse=function(){return console.warn("THREE.Quaternion: .inverse() has been renamed to invert()."),this.invert()};On.prototype.isIntersectionBox=function(r){return console.warn("THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(r)};On.prototype.isIntersectionPlane=function(r){return console.warn("THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane()."),this.intersectsPlane(r)};On.prototype.isIntersectionSphere=function(r){return console.warn("THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere()."),this.intersectsSphere(r)};pt.prototype.area=function(){return console.warn("THREE.Triangle: .area() has been renamed to .getArea()."),this.getArea()};pt.prototype.barycoordFromPoint=function(r,e){return console.warn("THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord()."),this.getBarycoord(r,e)};pt.prototype.midpoint=function(r){return console.warn("THREE.Triangle: .midpoint() has been renamed to .getMidpoint()."),this.getMidpoint(r)};pt.prototypenormal=function(r){return console.warn("THREE.Triangle: .normal() has been renamed to .getNormal()."),this.getNormal(r)};pt.prototype.plane=function(r){return console.warn("THREE.Triangle: .plane() has been renamed to .getPlane()."),this.getPlane(r)};pt.barycoordFromPoint=function(r,e,t,n,i){return console.warn("THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord()."),pt.getBarycoord(r,e,t,n,i)};pt.normal=function(r,e,t,n){return console.warn("THREE.Triangle: .normal() has been renamed to .getNormal()."),pt.getNormal(r,e,t,n)};pn.prototype.extractAllPoints=function(r){return console.warn("THREE.Shape: .extractAllPoints() has been removed. Use .extractPoints() instead."),this.extractPoints(r)};pn.prototype.extrude=function(r){return console.warn("THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead."),new Sn(this,r)};pn.prototype.makeGeometry=function(r){return console.warn("THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead."),new Zi(this,r)};O.prototype.fromAttribute=function(r,e,t){return console.warn("THREE.Vector2: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(r,e,t)};O.prototype.distanceToManhattan=function(r){return console.warn("THREE.Vector2: .distanceToManhattan() has been renamed to .manhattanDistanceTo()."),this.manhattanDistanceTo(r)};O.prototype.lengthManhattan=function(){return console.warn("THREE.Vector2: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()};A.prototype.setEulerFromRotationMatrix=function(){console.error("THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.")};A.prototype.setEulerFromQuaternion=function(){console.error("THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.")};A.prototype.getPositionFromMatrix=function(r){return console.warn("THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition()."),this.setFromMatrixPosition(r)};A.prototype.getScaleFromMatrix=function(r){return console.warn("THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale()."),this.setFromMatrixScale(r)};A.prototype.getColumnFromMatrix=function(r,e){return console.warn("THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn()."),this.setFromMatrixColumn(e,r)};A.prototype.applyProjection=function(r){return console.warn("THREE.Vector3: .applyProjection() has been removed. Use .applyMatrix4( m ) instead."),this.applyMatrix4(r)};A.prototype.fromAttribute=function(r,e,t){return console.warn("THREE.Vector3: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(r,e,t)};A.prototype.distanceToManhattan=function(r){return console.warn("THREE.Vector3: .distanceToManhattan() has been renamed to .manhattanDistanceTo()."),this.manhattanDistanceTo(r)};A.prototype.lengthManhattan=function(){return console.warn("THREE.Vector3: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()};Ve.prototype.fromAttribute=function(r,e,t){return console.warn("THREE.Vector4: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(r,e,t)};Ve.prototype.lengthManhattan=function(){return console.warn("THREE.Vector4: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()};_e.prototype.getChildByName=function(r){return console.warn("THREE.Object3D: .getChildByName() has been renamed to .getObjectByName()."),this.getObjectByName(r)};_e.prototype.renderDepth=function(){console.warn("THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.")};_e.prototype.translate=function(r,e){return console.warn("THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead."),this.translateOnAxis(e,r)};_e.prototype.getWorldRotation=function(){console.error("THREE.Object3D: .getWorldRotation() has been removed. Use THREE.Object3D.getWorldQuaternion( target ) instead.")};_e.prototype.applyMatrix=function(r){return console.warn("THREE.Object3D: .applyMatrix() has been renamed to .applyMatrix4()."),this.applyMatrix4(r)};Object.defineProperties(_e.prototype,{eulerOrder:{get:function(){return console.warn("THREE.Object3D: .eulerOrder is now .rotation.order."),this.rotation.order},set:function(r){console.warn("THREE.Object3D: .eulerOrder is now .rotation.order."),this.rotation.order=r}},useQuaternion:{get:function(){console.warn("THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.")},set:function(){console.warn("THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.")}}});ze.prototype.setDrawMode=function(){console.error("THREE.Mesh: .setDrawMode() has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.")};Object.defineProperties(ze.prototype,{drawMode:{get:function(){return console.error("THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode."),sd},set:function(){console.error("THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.")}}});js.prototype.initBones=function(){console.error("THREE.SkinnedMesh: initBones() has been removed.")};ct.prototype.setLens=function(r,e){console.warn("THREE.PerspectiveCamera.setLens is deprecated. Use .setFocalLength and .filmGauge for a photographic setup."),e!==void 0&&(this.filmGauge=e),this.setFocalLength(r)};Object.defineProperties(tn.prototype,{onlyShadow:{set:function(){console.warn("THREE.Light: .onlyShadow has been removed.")}},shadowCameraFov:{set:function(r){console.warn("THREE.Light: .shadowCameraFov is now .shadow.camera.fov."),this.shadow.camera.fov=r}},shadowCameraLeft:{set:function(r){console.warn("THREE.Light: .shadowCameraLeft is now .shadow.camera.left."),this.shadow.camera.left=r}},shadowCameraRight:{set:function(r){console.warn("THREE.Light: .shadowCameraRight is now .shadow.camera.right."),this.shadow.camera.right=r}},shadowCameraTop:{set:function(r){console.warn("THREE.Light: .shadowCameraTop is now .shadow.camera.top."),this.shadow.camera.top=r}},shadowCameraBottom:{set:function(r){console.warn("THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom."),this.shadow.camera.bottom=r}},shadowCameraNear:{set:function(r){console.warn("THREE.Light: .shadowCameraNear is now .shadow.camera.near."),this.shadow.camera.near=r}},shadowCameraFar:{set:function(r){console.warn("THREE.Light: .shadowCameraFar is now .shadow.camera.far."),this.shadow.camera.far=r}},shadowCameraVisible:{set:function(){console.warn("THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.")}},shadowBias:{set:function(r){console.warn("THREE.Light: .shadowBias is now .shadow.bias."),this.shadow.bias=r}},shadowDarkness:{set:function(){console.warn("THREE.Light: .shadowDarkness has been removed.")}},shadowMapWidth:{set:function(r){console.warn("THREE.Light: .shadowMapWidth is now .shadow.mapSize.width."),this.shadow.mapSize.width=r}},shadowMapHeight:{set:function(r){console.warn("THREE.Light: .shadowMapHeight is now .shadow.mapSize.height."),this.shadow.mapSize.height=r}}});Object.defineProperties(pe.prototype,{length:{get:function(){return console.warn("THREE.BufferAttribute: .length has been deprecated. Use .count instead."),this.array.length}},dynamic:{get:function(){return console.warn("THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead."),this.usage===In},set:function(){console.warn("THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead."),this.setUsage(In)}}});pe.prototype.setDynamic=function(r){return console.warn("THREE.BufferAttribute: .setDynamic() has been deprecated. Use .setUsage() instead."),this.setUsage(r===!0?In:fr),this};pe.prototype.copyIndicesArray=function(){console.error("THREE.BufferAttribute: .copyIndicesArray() has been removed.")},pe.prototype.setArray=function(){console.error("THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers")};de.prototype.addIndex=function(r){console.warn("THREE.BufferGeometry: .addIndex() has been renamed to .setIndex()."),this.setIndex(r)};de.prototype.addAttribute=function(r,e){return console.warn("THREE.BufferGeometry: .addAttribute() has been renamed to .setAttribute()."),!(e&&e.isBufferAttribute)&&!(e&&e.isInterleavedBufferAttribute)?(console.warn("THREE.BufferGeometry: .addAttribute() now expects ( name, attribute )."),this.setAttribute(r,new pe(arguments[1],arguments[2]))):r==="index"?(console.warn("THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute."),this.setIndex(e),this):this.setAttribute(r,e)};de.prototype.addDrawCall=function(r,e,t){t!==void 0&&console.warn("THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset."),console.warn("THREE.BufferGeometry: .addDrawCall() is now .addGroup()."),this.addGroup(r,e)};de.prototype.clearDrawCalls=function(){console.warn("THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups()."),this.clearGroups()};de.prototype.computeOffsets=function(){console.warn("THREE.BufferGeometry: .computeOffsets() has been removed.")};de.prototype.removeAttribute=function(r){return console.warn("THREE.BufferGeometry: .removeAttribute() has been renamed to .deleteAttribute()."),this.deleteAttribute(r)};de.prototype.applyMatrix=function(r){return console.warn("THREE.BufferGeometry: .applyMatrix() has been renamed to .applyMatrix4()."),this.applyMatrix4(r)};Object.defineProperties(de.prototype,{drawcalls:{get:function(){return console.error("THREE.BufferGeometry: .drawcalls has been renamed to .groups."),this.groups}},offsets:{get:function(){return console.warn("THREE.BufferGeometry: .offsets has been renamed to .groups."),this.groups}}});ui.prototype.setDynamic=function(r){return console.warn("THREE.InterleavedBuffer: .setDynamic() has been deprecated. Use .setUsage() instead."),this.setUsage(r===!0?In:fr),this};ui.prototype.setArray=function(){console.error("THREE.InterleavedBuffer: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers")};Sn.prototype.getArrays=function(){console.error("THREE.ExtrudeGeometry: .getArrays() has been removed.")};Sn.prototype.addShapeList=function(){console.error("THREE.ExtrudeGeometry: .addShapeList() has been removed.")};Sn.prototype.addShape=function(){console.error("THREE.ExtrudeGeometry: .addShape() has been removed.")};fn.prototype.dispose=function(){console.error("THREE.Scene: .dispose() has been removed.")};De.prototype.onUpdate=function(){return console.warn("THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead."),this};Object.defineProperties(tt.prototype,{wrapAround:{get:function(){console.warn("THREE.Material: .wrapAround has been removed.")},set:function(){console.warn("THREE.Material: .wrapAround has been removed.")}},overdraw:{get:function(){console.warn("THREE.Material: .overdraw has been removed.")},set:function(){console.warn("THREE.Material: .overdraw has been removed.")}},wrapRGB:{get:function(){return console.warn("THREE.Material: .wrapRGB has been removed."),new $}},shading:{get:function(){console.error("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead.")},set:function(r){console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=r===nl}},stencilMask:{get:function(){return console.warn("THREE."+this.type+": .stencilMask has been removed. Use .stencilFuncMask instead."),this.stencilFuncMask},set:function(r){console.warn("THREE."+this.type+": .stencilMask has been removed. Use .stencilFuncMask instead."),this.stencilFuncMask=r}},vertexTangents:{get:function(){console.warn("THREE."+this.type+": .vertexTangents has been removed.")},set:function(){console.warn("THREE."+this.type+": .vertexTangents has been removed.")}}});Object.defineProperties(Ye.prototype,{derivatives:{get:function(){return console.warn("THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives."),this.extensions.derivatives},set:function(r){console.warn("THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives."),this.extensions.derivatives=r}}});Ze.prototype.clearTarget=function(r,e,t,n){console.warn("THREE.WebGLRenderer: .clearTarget() has been deprecated. Use .setRenderTarget() and .clear() instead."),this.setRenderTarget(r),this.clear(e,t,n)};Ze.prototype.animate=function(r){console.warn("THREE.WebGLRenderer: .animate() is now .setAnimationLoop()."),this.setAnimationLoop(r)};Ze.prototype.getCurrentRenderTarget=function(){return console.warn("THREE.WebGLRenderer: .getCurrentRenderTarget() is now .getRenderTarget()."),this.getRenderTarget()};Ze.prototype.getMaxAnisotropy=function(){return console.warn("THREE.WebGLRenderer: .getMaxAnisotropy() is now .capabilities.getMaxAnisotropy()."),this.capabilities.getMaxAnisotropy()};Ze.prototype.getPrecision=function(){return console.warn("THREE.WebGLRenderer: .getPrecision() is now .capabilities.precision."),this.capabilities.precision};Ze.prototype.resetGLState=function(){return console.warn("THREE.WebGLRenderer: .resetGLState() is now .state.reset()."),this.state.reset()};Ze.prototype.supportsFloatTextures=function(){return console.warn("THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( 'OES_texture_float' )."),this.extensions.get("OES_texture_float")};Ze.prototype.supportsHalfFloatTextures=function(){return console.warn("THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( 'OES_texture_half_float' )."),this.extensions.get("OES_texture_half_float")};Ze.prototype.supportsStandardDerivatives=function(){return console.warn("THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( 'OES_standard_derivatives' )."),this.extensions.get("OES_standard_derivatives")};Ze.prototype.supportsCompressedTextureS3TC=function(){return console.warn("THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( 'WEBGL_compressed_texture_s3tc' )."),this.extensions.get("WEBGL_compressed_texture_s3tc")};Ze.prototype.supportsCompressedTexturePVRTC=function(){return console.warn("THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( 'WEBGL_compressed_texture_pvrtc' )."),this.extensions.get("WEBGL_compressed_texture_pvrtc")};Ze.prototype.supportsBlendMinMax=function(){return console.warn("THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( 'EXT_blend_minmax' )."),this.extensions.get("EXT_blend_minmax")};Ze.prototype.supportsVertexTextures=function(){return console.warn("THREE.WebGLRenderer: .supportsVertexTextures() is now .capabilities.vertexTextures."),this.capabilities.vertexTextures};Ze.prototype.supportsInstancedArrays=function(){return console.warn("THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( 'ANGLE_instanced_arrays' )."),this.extensions.get("ANGLE_instanced_arrays")};Ze.prototype.enableScissorTest=function(r){console.warn("THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest()."),this.setScissorTest(r)};Ze.prototype.initMaterial=function(){console.warn("THREE.WebGLRenderer: .initMaterial() has been removed.")};Ze.prototype.addPrePlugin=function(){console.warn("THREE.WebGLRenderer: .addPrePlugin() has been removed.")};Ze.prototype.addPostPlugin=function(){console.warn("THREE.WebGLRenderer: .addPostPlugin() has been removed.")};Ze.prototype.updateShadowMap=function(){console.warn("THREE.WebGLRenderer: .updateShadowMap() has been removed.")};Ze.prototype.setFaceCulling=function(){console.warn("THREE.WebGLRenderer: .setFaceCulling() has been removed.")};Ze.prototype.allocTextureUnit=function(){console.warn("THREE.WebGLRenderer: .allocTextureUnit() has been removed.")};Ze.prototype.setTexture=function(){console.warn("THREE.WebGLRenderer: .setTexture() has been removed.")};Ze.prototype.setTexture2D=function(){console.warn("THREE.WebGLRenderer: .setTexture2D() has been removed.")};Ze.prototype.setTextureCube=function(){console.warn("THREE.WebGLRenderer: .setTextureCube() has been removed.")};Ze.prototype.getActiveMipMapLevel=function(){return console.warn("THREE.WebGLRenderer: .getActiveMipMapLevel() is now .getActiveMipmapLevel()."),this.getActiveMipmapLevel()};Object.defineProperties(Ze.prototype,{shadowMapEnabled:{get:function(){return this.shadowMap.enabled},set:function(r){console.warn("THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled."),this.shadowMap.enabled=r}},shadowMapType:{get:function(){return this.shadowMap.type},set:function(r){console.warn("THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type."),this.shadowMap.type=r}},shadowMapCullFace:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMapCullFace has been removed. 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Use THREE.AudioLoader instead.");let e=this;return new Hc().load(r,function(n){e.setBuffer(n)}),this};Vc.prototype.getData=function(){return console.warn("THREE.AudioAnalyser: .getData() is now .getFrequencyData()."),this.getFrequencyData()};Bs.prototype.updateCubeMap=function(r,e){return console.warn("THREE.CubeCamera: .updateCubeMap() is now .update()."),this.update(r,e)};Bs.prototype.clear=function(r,e,t,n){return console.warn("THREE.CubeCamera: .clear() is now .renderTarget.clear()."),this.renderTarget.clear(r,e,t,n)};Jn.crossOrigin=void 0;Jn.loadTexture=function(r,e,t,n){console.warn("THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.");let i=new en;i.setCrossOrigin(this.crossOrigin);let s=i.load(r,t,void 0,n);return e&&(s.mapping=e),s};Jn.loadTextureCube=function(r,e,t,n){console.warn("THREE.ImageUtils.loadTextureCube has been deprecated. 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isFinite(gt)&&isFinite(vt)&&(gt<-Math.PI?gt+=Ee:gt>Math.PI&&(gt-=Ee),vt<-Math.PI?vt+=Ee:vt>Math.PI&&(vt-=Ee),gt<=vt?o.theta=Math.max(gt,Math.min(vt,o.theta)):o.theta=o.theta>(gt+vt)/2?Math.max(gt,o.theta):Math.min(vt,o.theta)),o.phi=Math.max(n.minPolarAngle,Math.min(n.maxPolarAngle,o.phi)),o.makeSafe(),o.radius*=c,o.radius=Math.max(n.minDistance,Math.min(n.maxDistance,o.radius)),n.enableDamping===!0?n.target.addScaledVector(u,n.dampingFactor):n.target.add(u),T.setFromSpherical(o),T.applyQuaternion(K),Ne.copy(n.target).add(T),n.object.lookAt(n.target),n.enableDamping===!0?(l.theta*=1-n.dampingFactor,l.phi*=1-n.dampingFactor,u.multiplyScalar(1-n.dampingFactor)):(l.set(0,0,0),u.set(0,0,0)),c=1,h||re.distanceToSquared(n.object.position)>a||8*(1-le.dot(n.object.quaternion))>a?(n.dispatchEvent(Sp),re.copy(n.object.position),le.copy(n.object.quaternion),h=!1,!0):!1}}(),this.dispose=function(){n.domElement.removeEventListener("contextmenu",Q),n.domElement.removeEventListener("pointerdown",te),n.domElement.removeEventListener("pointercancel",Me),n.domElement.removeEventListener("wheel",Je),n.domElement.removeEventListener("pointermove",he),n.domElement.removeEventListener("pointerup",ae),n._domElementKeyEvents!==null&&n._domElementKeyEvents.removeEventListener("keydown",C)};let 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bb.has(e)?(n==="deg"?this.attrs[e]=t*Math.PI/180:this.attrs[e]=t,!0):(console.warn(`Invalid ephem attr: ${e}`),!1)}getUnsafe(e,t="rad"){if(t==="deg"){let n=this.attrs[e];return typeof n=="undefined"?void 0:n*180/Math.PI}return this.attrs[e]}get(e,t="rad"){let n=this.getUnsafe(e,t);if(typeof n=="undefined")throw console.info(this.attrs),new Error(`Attempted to get ephemeris value '${e}' but it was undefined`);return n}fill(){let e=this.getUnsafe("e");if(!at(e))throw console.info(this.attrs),new Error('Must define eccentricity "e" in an orbit');let t=this.getUnsafe("a"),n=this.getUnsafe("q");if(at(t)){if(!at(n)){if(e>=1)throw new Error('Must provide perihelion distance "q" if eccentricity "e" is greater than 1');n=t*(1-e),this.set("q",n)}}else if(at(n))t=n/(1-e),this.set("a",t);else throw new Error('Must define semimajor axis "a" or perihelion distance "q" in an orbit');let i=this.getUnsafe("w"),s=this.getUnsafe("wBar"),a=this.getUnsafe("om");at(i)&&at(a)&&!at(s)?(s=i+a,this.set("wBar",s)):at(s)&&at(a)&&!at(i)?(i=s-a,this.set("w",i)):at(i)&&at(s)&&!at(a)&&(a=s-i,this.set("om",a));let o=t*yb,l=this.getUnsafe("n"),c=this.getUnsafe("GM"),u=this.getUnsafe("period");if(!at(u)&&at(t)){if(!at(c))throw new Error("Expected ephemeris attribute GM to be set");u=2*Math.PI*Math.sqrt(o*o*o/c)/wb,this.set("period",u)}if(e<1)if(at(u)&&!at(l)){let f=2*Math.PI/u;this.set("n",f)}else at(l)&&!at(u)&&this.set("period",2*Math.PI/l);let h=this.getUnsafe("ma"),d=this.getUnsafe("L");!at(d)&&at(a)&&at(i)&&at(h)&&(d=a+i+h,this.set("L",d)),at(h)||this.set("ma",d-s)}lock(){this.locked=!0}copy(){return new It({GM:this.getUnsafe("GM"),epoch:this.getUnsafe("epoch"),a:this.getUnsafe("a"),e:this.getUnsafe("e"),i:this.getUnsafe("i"),om:this.getUnsafe("om"),ma:this.getUnsafe("ma"),w:this.getUnsafe("w")},"rad")}};function jo(r,e,t,n,i,s){if(r===void 0)throw"data object is 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data");if(this.data=JSON.parse(JSON.stringify(e.data)),e.distanceUnits){if(!Db.has(e.distanceUnits))throw new Error(`Unknown distance units: ${e.distanceUnits}`);this.units.distance=e.distanceUnits}if(e.timeUnits){if(!Lb.has(e.timeUnits))throw new Error(`Unknown time units: ${e.timeUnits}`);this.units.time=e.timeUnits}if(e.ephemerisType){if(!Rb.has(e.ephemerisType))throw new Error(`Unknown ephemeris type: ${e.ephemerisType}`);this.ephemType=e.ephemerisType}if(e.interpolationType){if(!Pb.has(e.interpolationType))throw new Error(`Unknown interpolation type: ${e.interpolationType}`);this.interpolationType=e.interpolationType}if(e.interpolationOrder!==void 0){if(e.interpolationOrder<1||e.interpolationOrder>Pp)throw new Error(`Interpolation order must be >0 and <${Pp}: ${e.interpolationOrder}`);this.interpolationOrder=e.interpolationOrder}if(this.units.distance!==uu.distance||this.units.time!==uu.time){let t=this.calcDistanceMultiplier(this.units.distance),n=this.calcTimeMultiplier(this.units.time);this.data.forEach(i=>{i[1]*=t,i[2]*=t,i[3]*=t,i[4]*=t*n,i[5]*=t*n,i[6]*=t*n})}}getPositionAtTime(e){if(e<=this.data[0][0])return[this.data[0][1],this.data[0][2],this.data[0][3]];let t=this.data[this.data.length-1];if(e>=t[0])return[t[1],t[2],t[3]];let{startIndex:n,stopIndex:i}=this.calcBoundingIndices(e),s=jo(this.data,e,n,i,0,1),a=jo(this.data,e,n,i,0,2),o=jo(this.data,e,n,i,0,3);return[s,a,o]}getPositions(e,t,n){if(e>t)throw new Error("Requested start needs to be after requested stop");if(n<=0)throw new Error("Step days needs to be greater than zero");let i=[];for(let s=e;s<=t;s+=n)i.push(this.getPositionAtTime(s));return i}calcDistanceMultiplier(e){switch(e){case"au":return 1;case"km":return st.kmToAu(1);default:throw new Error("Unknown distance unit type: "+e)}}calcTimeMultiplier(e){switch(e){case"day":return 1;case"sec":return 1/86400;default:throw new Error("Unknown time unit type: 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It({epoch:24584265e-1,a:1.52371401537107,e:.09336741335309606,i:1.848141099825311,om:49.50420572080223,w:286.6965847685386,ma:25.38237617924876},"deg",!0),JUPITER:new It({epoch:24584265e-1,a:5.20180355911023,e:.0489912558249006,i:1.303560894624275,om:100.5203828847816,w:273.736301845404,ma:231.939544389401},"deg",!0),SATURN:new It({epoch:24584265e-1,a:9.577177295536776,e:.05101889921719987,i:2.482782449972317,om:113.6154964073247,w:339.4422648650336,ma:187.0970898012944},"deg",!0),URANUS:new It({epoch:24584265e-1,a:19.14496966635462,e:.04832662948112808,i:.7697511134483724,om:74.14239045667875,w:99.42704504702185,ma:220.2603033874267},"deg",!0),NEPTUNE:new It({epoch:24584265e-1,a:30.0962226342805,e:.00736257118719377,i:1.774569249829094,om:131.8695882492132,w:258.6226409499831,ma:315.2804988924479},"deg",!0),PLUTO:new It({epoch:24540005e-1,a:39.4450697257,e:.250248713478,i:17.0890009196,om:110.376957955,w:112.597141677,ma:25.2471897122},"deg",!0)},hu=class{constructor(e){this._simulation=e,this._context=e.getContext(),this._satellitesByPlanet={};let t=ua("{{data}}/processed/natural-satellites.json",this._context.options.basePath);this._readyPromise=new Promise((n,i)=>{fetch(t).then(s=>s.json()).then(s=>{s.forEach(a=>{let o=a.Planet.toLowerCase();this._satellitesByPlanet[o]||(this._satellitesByPlanet[o]=[]);let l;switch(a["Element Type"]){case"Ecliptic":break;case"Equatorial":l="equatorial";break;case"Laplace":l="equatorial";break;default:console.warn(`Ephemeris type not yet implemented: ${l}`);return}let c;switch(a.Planet){case"Earth":c=ca.EARTH_MOON;break;case"Pluto":c=ca.PLUTO_CHARON;break;default:c=ca[a.Planet.toUpperCase()]}c||console.error(`Could not look up GM for ${a.Planet}`);let u=new It({GM:c,epoch:Number(a["Epoch JD"]),a:st.kmToAu(Number(a.a)),e:Number(a.e),i:Number(a.i),w:Number(a.w),om:Number(a.node),ma:Number(a.M)},"deg",!0);this._satellitesByPlanet[o].push({name:a["Sat."],elementType:a["Element Type"],tags:new Set(a.tags.split(",")),ephem:u})}),console.info("Loaded",s.length,"natural satellites"),n(this)}).catch(s=>{i(s)})})}getSatellitesForPlanet(e){return this._satellitesByPlanet[e.toLowerCase()]}load(){return this._readyPromise}};var Fp=Bu(du());var St;(function(s){s[s.UNKNOWN=0]="UNKNOWN",s[s.PARABOLIC=1]="PARABOLIC",s[s.HYPERBOLIC=2]="HYPERBOLIC",s[s.ELLIPTICAL=3]="ELLIPTICAL",s[s.TABLE=4]="TABLE"})(St||(St={}));var{sin:or,cos:Yn,sqrt:xi}=Math,Xo=10,Op=360,Ob={leadDurationYears:Xo,trailDurationYears:Xo,numberSamplePoints:Op};function Qo(r){return Math.exp(Math.log(r)/3)}var yi=class{constructor(e,t){var n,i,s;this.ephem=e,this.options=t||{},this.options.orbitPathSettings||(this.options.orbitPathSettings=JSON.parse(JSON.stringify(Ob))),((n=this.options.orbitPathSettings)==null?void 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ce(q,ae){ae===null?q.matrixWorld.copy(q.matrix):q.matrixWorld.multiplyMatrices(ae.matrixWorld,q.matrix),q.matrixWorldInverse.copy(q.matrixWorld).invert()}this.updateCamera=function(q){if(n===null)return;let ae=q.near,be=q.far;v.texture!==null&&(v.depthNear>0&&(ae=v.depthNear),v.depthFar>0&&(be=v.depthFar)),A.near=P.near=R.near=ae,A.far=P.far=R.far=be,(I!==A.near||k!==A.far)&&(n.updateRenderState({depthNear:A.near,depthFar:A.far}),I=A.near,k=A.far),R.layers.mask=q.layers.mask|2,P.layers.mask=q.layers.mask|4,A.layers.mask=R.layers.mask|P.layers.mask;let oe=q.parent,Pe=A.cameras;ce(A,oe);for(let rt=0;rt0&&(g.alphaTest.value=p.alphaTest);let y=e.get(p),x=y.envMap,_=y.envMapRotation;x&&(g.envMap.value=x,Qr.copy(_),Qr.x*=-1,Qr.y*=-1,Qr.z*=-1,x.isCubeTexture&&x.isRenderTargetTexture===!1&&(Qr.y*=-1,Qr.z*=-1),g.envMapRotation.value.setFromMatrix4(ZS.makeRotationFromEuler(Qr)),g.flipEnvMap.value=x.isCubeTexture&&x.isRenderTargetTexture===!1?-1:1,g.reflectivity.value=p.reflectivity,g.ior.value=p.ior,g.refractionRatio.value=p.refractionRatio),p.lightMap&&(g.lightMap.value=p.lightMap,g.lightMapIntensity.value=p.lightMapIntensity,t(p.lightMap,g.lightMapTransform)),p.aoMap&&(g.aoMap.value=p.aoMap,g.aoMapIntensity.value=p.aoMapIntensity,t(p.aoMap,g.aoMapTransform))}function a(g,p){g.diffuse.value.copy(p.color),g.opacity.value=p.opacity,p.map&&(g.map.value=p.map,t(p.map,g.mapTransform))}function o(g,p){g.dashSize.value=p.dashSize,g.totalSize.value=p.dashSize+p.gapSize,g.scale.value=p.scale}function 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d(g,p){g.metalness.value=p.metalness,p.metalnessMap&&(g.metalnessMap.value=p.metalnessMap,t(p.metalnessMap,g.metalnessMapTransform)),g.roughness.value=p.roughness,p.roughnessMap&&(g.roughnessMap.value=p.roughnessMap,t(p.roughnessMap,g.roughnessMapTransform)),p.envMap&&(g.envMapIntensity.value=p.envMapIntensity)}function f(g,p,y){g.ior.value=p.ior,p.sheen>0&&(g.sheenColor.value.copy(p.sheenColor).multiplyScalar(p.sheen),g.sheenRoughness.value=p.sheenRoughness,p.sheenColorMap&&(g.sheenColorMap.value=p.sheenColorMap,t(p.sheenColorMap,g.sheenColorMapTransform)),p.sheenRoughnessMap&&(g.sheenRoughnessMap.value=p.sheenRoughnessMap,t(p.sheenRoughnessMap,g.sheenRoughnessMapTransform))),p.clearcoat>0&&(g.clearcoat.value=p.clearcoat,g.clearcoatRoughness.value=p.clearcoatRoughness,p.clearcoatMap&&(g.clearcoatMap.value=p.clearcoatMap,t(p.clearcoatMap,g.clearcoatMapTransform)),p.clearcoatRoughnessMap&&(g.clearcoatRoughnessMap.value=p.clearcoatRoughnessMap,t(p.clearcoatRoughnessMap,g.clearcoatRoughnessMapTransform)),p.clearcoatNormalMap&&(g.clearcoatNormalMap.value=p.clearcoatNormalMap,t(p.clearcoatNormalMap,g.clearcoatNormalMapTransform),g.clearcoatNormalScale.value.copy(p.clearcoatNormalScale),p.side===At&&g.clearcoatNormalScale.value.negate())),p.dispersion>0&&(g.dispersion.value=p.dispersion),p.iridescence>0&&(g.iridescence.value=p.iridescence,g.iridescenceIOR.value=p.iridescenceIOR,g.iridescenceThicknessMinimum.value=p.iridescenceThicknessRange[0],g.iridescenceThicknessMaximum.value=p.iridescenceThicknessRange[1],p.iridescenceMap&&(g.iridescenceMap.value=p.iridescenceMap,t(p.iridescenceMap,g.iridescenceMapTransform)),p.iridescenceThicknessMap&&(g.iridescenceThicknessMap.value=p.iridescenceThicknessMap,t(p.iridescenceThicknessMap,g.iridescenceThicknessMapTransform))),p.transmission>0&&(g.transmission.value=p.transmission,g.transmissionSamplerMap.value=y.texture,g.transmissionSamplerSize.value.set(y.width,y.height),p.transmissionMap&&(g.transmissionMap.value=p.transmissionMap,t(p.transmissionMap,g.transmissionMapTransform)),g.thickness.value=p.thickness,p.thicknessMap&&(g.thicknessMap.value=p.thicknessMap,t(p.thicknessMap,g.thicknessMapTransform)),g.attenuationDistance.value=p.attenuationDistance,g.attenuationColor.value.copy(p.attenuationColor)),p.anisotropy>0&&(g.anisotropyVector.value.set(p.anisotropy*Math.cos(p.anisotropyRotation),p.anisotropy*Math.sin(p.anisotropyRotation)),p.anisotropyMap&&(g.anisotropyMap.value=p.anisotropyMap,t(p.anisotropyMap,g.anisotropyMapTransform))),g.specularIntensity.value=p.specularIntensity,g.specularColor.value.copy(p.specularColor),p.specularColorMap&&(g.specularColorMap.value=p.specularColorMap,t(p.specularColorMap,g.specularColorMapTransform)),p.specularIntensityMap&&(g.specularIntensityMap.value=p.specularIntensityMap,t(p.specularIntensityMap,g.specularIntensityMapTransform))}function 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H=g.opaque,B=g.transmissive;if(p.setupLights(),L.isArrayCamera){let te=L.cameras;if(B.length>0)for(let de=0,ye=te.length;de0&&Of(H,B,E,L),$&&Be.render(E),Bf(g,E,L);P!==null&&R===0&&(w.updateMultisampleRenderTarget(P),w.updateRenderTargetMipmap(P)),E.isScene===!0&&E.onAfterRender(_,E,L),vt.resetDefaultState(),M=-1,A=null,x.pop(),x.length>0?(p=x[x.length-1],ae===!0&&ie.setGlobalState(_.clippingPlanes,p.state.camera)):p=null,y.pop(),y.length>0?g=y[y.length-1]:g=null};function Sh(E,L,F,H){if(E.visible===!1)return;if(E.layers.test(L.layers)){if(E.isGroup)F=E.renderOrder;else if(E.isLOD)E.autoUpdate===!0&&E.update(L);else if(E.isLight)p.pushLight(E),E.castShadow&&p.pushShadow(E);else if(E.isSprite){if(!E.frustumCulled||q.intersectsSprite(E)){H&&De.setFromMatrixPosition(E.matrixWorld).applyMatrix4(Pe);let de=j.update(E),ye=E.material;ye.visible&&g.push(E,de,ye,F,De.z,null)}}else if((E.isMesh||E.isLine||E.isPoints)&&(!E.frustumCulled||q.intersectsObject(E))){let de=j.update(E),ye=E.material;if(H&&(E.boundingSphere!==void 0?(E.boundingSphere===null&&E.computeBoundingSphere(),De.copy(E.boundingSphere.center)):(de.boundingSphere===null&&de.computeBoundingSphere(),De.copy(de.boundingSphere.center)),De.applyMatrix4(E.matrixWorld).applyMatrix4(Pe)),Array.isArray(ye)){let Ee=de.groups;for(let He=0,ke=Ee.length;He0&&sl(B,L,F),te.length>0&&sl(te,L,F),de.length>0&&sl(de,L,F),se.buffers.depth.setTest(!0),se.buffers.depth.setMask(!0),se.buffers.color.setMask(!0),se.setPolygonOffset(!1)}function Of(E,L,F,H){if((F.isScene===!0?F.overrideMaterial:null)!==null)return;p.state.transmissionRenderTarget[H.id]===void 0&&(p.state.transmissionRenderTarget[H.id]=new mt(1,1,{generateMipmaps:!0,type:ee.has("EXT_color_buffer_half_float")||ee.has("EXT_color_buffer_float")?dr:bt,minFilter:qi,samples:4,stencilBuffer:s,resolveDepthBuffer:!1,resolveStencilBuffer:!1,colorSpace:et.workingColorSpace}));let te=p.state.transmissionRenderTarget[H.id],de=H.viewport||I;te.setSize(de.z*_.transmissionResolutionScale,de.w*_.transmissionResolutionScale);let ye=_.getRenderTarget();_.setRenderTarget(te),_.getClearColor(G),Z=_.getClearAlpha(),Z<1&&_.setClearColor(16777215,.5),_.clear(),$&&Be.render(F);let Ee=_.toneMapping;_.toneMapping=an;let He=H.viewport;if(H.viewport!==void 0&&(H.viewport=void 0),p.setupLightsView(H),ae===!0&&ie.setGlobalState(_.clippingPlanes,H),sl(E,F,H),w.updateMultisampleRenderTarget(te),w.updateRenderTargetMipmap(te),ee.has("WEBGL_multisampled_render_to_texture")===!1){let ke=!1;for(let Ie=0,st=L.length;Ie0),Ie=!!F.morphAttributes.position,st=!!F.morphAttributes.normal,ht=!!F.morphAttributes.color,Lt=an;H.toneMapped&&(P===null||P.isXRRenderTarget===!0)&&(Lt=_.toneMapping);let Rt=F.morphAttributes.position||F.morphAttributes.normal||F.morphAttributes.color,at=Rt!==void 0?Rt.length:0,Ue=fe.get(H),jt=p.state.lights;if(ae===!0&&(be===!0||E!==A)){let si=E===A&&H.id===M;ie.setState(H,E,si)}let ut=!1;H.version===Ue.__version?(Ue.needsLights&&Ue.lightsStateVersion!==jt.state.version||Ue.outputColorSpace!==ye||B.isBatchedMesh&&Ue.batching===!1||!B.isBatchedMesh&&Ue.batching===!0||B.isBatchedMesh&&Ue.batchingColor===!0&&B.colorTexture===null||B.isBatchedMesh&&Ue.batchingColor===!1&&B.colorTexture!==null||B.isInstancedMesh&&Ue.instancing===!1||!B.isInstancedMesh&&Ue.instancing===!0||B.isSkinnedMesh&&Ue.skinning===!1||!B.isSkinnedMesh&&Ue.skinning===!0||B.isInstancedMesh&&Ue.instancingColor===!0&&B.instanceColor===null||B.isInstancedMesh&&Ue.instancingColor===!1&&B.instanceColor!==null||B.isInstancedMesh&&Ue.instancingMorph===!0&&B.morphTexture===null||B.isInstancedMesh&&Ue.instancingMorph===!1&&B.morphTexture!==null||Ue.envMap!==Ee||H.fog===!0&&Ue.fog!==te||Ue.numClippingPlanes!==void 0&&(Ue.numClippingPlanes!==ie.numPlanes||Ue.numIntersection!==ie.numIntersection)||Ue.vertexAlphas!==He||Ue.vertexTangents!==ke||Ue.morphTargets!==Ie||Ue.morphNormals!==st||Ue.morphColors!==ht||Ue.toneMapping!==Lt||Ue.morphTargetsCount!==at)&&(ut=!0):(ut=!0,Ue.__version=H.version);let Xi=Ue.currentProgram;ut===!0&&(Xi=al(H,L,B));let is=!1,xi=!1,Aa=!1,Mt=Xi.getUniforms(),Ci=Ue.uniforms;if(se.useProgram(Xi.program)&&(is=!0,xi=!0,Aa=!0),H.id!==M&&(M=H.id,xi=!0),is||A!==E){se.buffers.depth.getReversed()?(oe.copy(E.projectionMatrix),Dp(oe),Pp(oe),Mt.setValue(C,"projectionMatrix",oe)):Mt.setValue(C,"projectionMatrix",E.projectionMatrix),Mt.setValue(C,"viewMatrix",E.matrixWorldInverse);let hi=Mt.map.cameraPosition;hi!==void 0&&hi.setValue(C,rt.setFromMatrixPosition(E.matrixWorld)),_e.logarithmicDepthBuffer&&Mt.setValue(C,"logDepthBufFC",2/(Math.log(E.far+1)/Math.LN2)),(H.isMeshPhongMaterial||H.isMeshToonMaterial||H.isMeshLambertMaterial||H.isMeshBasicMaterial||H.isMeshStandardMaterial||H.isShaderMaterial)&&Mt.setValue(C,"isOrthographic",E.isOrthographicCamera===!0),A!==E&&(A=E,xi=!0,Aa=!0)}if(B.isSkinnedMesh){Mt.setOptional(C,B,"bindMatrix"),Mt.setOptional(C,B,"bindMatrixInverse");let si=B.skeleton;si&&(si.boneTexture===null&&si.computeBoneTexture(),Mt.setValue(C,"boneTexture",si.boneTexture,w))}B.isBatchedMesh&&(Mt.setOptional(C,B,"batchingTexture"),Mt.setValue(C,"batchingTexture",B._matricesTexture,w),Mt.setOptional(C,B,"batchingIdTexture"),Mt.setValue(C,"batchingIdTexture",B._indirectTexture,w),Mt.setOptional(C,B,"batchingColorTexture"),B._colorsTexture!==null&&Mt.setValue(C,"batchingColorTexture",B._colorsTexture,w));let Ri=F.morphAttributes;if((Ri.position!==void 0||Ri.normal!==void 0||Ri.color!==void 0)&&Fe.update(B,F,Xi),(xi||Ue.receiveShadow!==B.receiveShadow)&&(Ue.receiveShadow=B.receiveShadow,Mt.setValue(C,"receiveShadow",B.receiveShadow)),H.isMeshGouraudMaterial&&H.envMap!==null&&(Ci.envMap.value=Ee,Ci.flipEnvMap.value=Ee.isCubeTexture&&Ee.isRenderTargetTexture===!1?-1:1),H.isMeshStandardMaterial&&H.envMap===null&&L.environment!==null&&(Ci.envMapIntensity.value=L.environmentIntensity),xi&&(Mt.setValue(C,"toneMappingExposure",_.toneMappingExposure),Ue.needsLights&&Mv(Ci,Aa),te&&H.fog===!0&&he.refreshFogUniforms(Ci,te),he.refreshMaterialUniforms(Ci,H,W,ne,p.state.transmissionRenderTarget[E.id]),$o.upload(C,Ff(Ue),Ci,w)),H.isShaderMaterial&&H.uniformsNeedUpdate===!0&&($o.upload(C,Ff(Ue),Ci,w),H.uniformsNeedUpdate=!1),H.isSpriteMaterial&&Mt.setValue(C,"center",B.center),Mt.setValue(C,"modelViewMatrix",B.modelViewMatrix),Mt.setValue(C,"normalMatrix",B.normalMatrix),Mt.setValue(C,"modelMatrix",B.matrixWorld),H.isShaderMaterial||H.isRawShaderMaterial){let si=H.uniformsGroups;for(let hi=0,Eh=si.length;hi0&&w.useMultisampledRTT(E)===!1?B=fe.get(E).__webglMultisampledFramebuffer:Array.isArray(ke)?B=ke[F]:B=ke,I.copy(E.viewport),k.copy(E.scissor),N=E.scissorTest}else I.copy(Me).multiplyScalar(W).floor(),k.copy(Ve).multiplyScalar(W).floor(),N=ct;if(F!==0&&(B=Tv),se.bindFramebuffer(C.FRAMEBUFFER,B)&&H&&se.drawBuffers(E,B),se.viewport(I),se.scissor(k),se.setScissorTest(N),te){let Ee=fe.get(E.texture);C.framebufferTexture2D(C.FRAMEBUFFER,C.COLOR_ATTACHMENT0,C.TEXTURE_CUBE_MAP_POSITIVE_X+L,Ee.__webglTexture,F)}else if(de){let Ee=fe.get(E.texture),He=L;C.framebufferTextureLayer(C.FRAMEBUFFER,C.COLOR_ATTACHMENT0,Ee.__webglTexture,F,He)}else if(E!==null&&F!==0){let Ee=fe.get(E.texture);C.framebufferTexture2D(C.FRAMEBUFFER,C.COLOR_ATTACHMENT0,C.TEXTURE_2D,Ee.__webglTexture,F)}M=-1},this.readRenderTargetPixels=function(E,L,F,H,B,te,de){if(!(E&&E.isWebGLRenderTarget)){console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");return}let ye=fe.get(E).__webglFramebuffer;if(E.isWebGLCubeRenderTarget&&de!==void 0&&(ye=ye[de]),ye){se.bindFramebuffer(C.FRAMEBUFFER,ye);try{let Ee=E.texture,He=Ee.format,ke=Ee.type;if(!_e.textureFormatReadable(He)){console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");return}if(!_e.textureTypeReadable(ke)){console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");return}L>=0&&L<=E.width-H&&F>=0&&F<=E.height-B&&C.readPixels(L,F,H,B,qe.convert(He),qe.convert(ke),te)}finally{let Ee=P!==null?fe.get(P).__webglFramebuffer:null;se.bindFramebuffer(C.FRAMEBUFFER,Ee)}}},this.readRenderTargetPixelsAsync=function(E,L,F,H,B,te,de){return ui(this,null,function*(){if(!(E&&E.isWebGLRenderTarget))throw new Error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let ye=fe.get(E).__webglFramebuffer;if(E.isWebGLCubeRenderTarget&&de!==void 0&&(ye=ye[de]),ye){let Ee=E.texture,He=Ee.format,ke=Ee.type;if(!_e.textureFormatReadable(He))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in RGBA or implementation defined format.");if(!_e.textureTypeReadable(ke))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in UnsignedByteType or implementation defined type.");if(L>=0&&L<=E.width-H&&F>=0&&F<=E.height-B){se.bindFramebuffer(C.FRAMEBUFFER,ye);let Ie=C.createBuffer();C.bindBuffer(C.PIXEL_PACK_BUFFER,Ie),C.bufferData(C.PIXEL_PACK_BUFFER,te.byteLength,C.STREAM_READ),C.readPixels(L,F,H,B,qe.convert(He),qe.convert(ke),0);let st=P!==null?fe.get(P).__webglFramebuffer:null;se.bindFramebuffer(C.FRAMEBUFFER,st);let ht=C.fenceSync(C.SYNC_GPU_COMMANDS_COMPLETE,0);return C.flush(),yield Rp(C,ht,4),C.bindBuffer(C.PIXEL_PACK_BUFFER,Ie),C.getBufferSubData(C.PIXEL_PACK_BUFFER,0,te),C.deleteBuffer(Ie),C.deleteSync(ht),te}else throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: requested read bounds are out of range.")}})},this.copyFramebufferToTexture=function(E,L=null,F=0){E.isTexture!==!0&&(mr("WebGLRenderer: copyFramebufferToTexture function signature has changed."),L=arguments[0]||null,E=arguments[1]);let H=Math.pow(2,-F),B=Math.floor(E.image.width*H),te=Math.floor(E.image.height*H),de=L!==null?L.x:0,ye=L!==null?L.y:0;w.setTexture2D(E,0),C.copyTexSubImage2D(C.TEXTURE_2D,F,0,0,de,ye,B,te),se.unbindTexture()};let wv=C.createFramebuffer(),Cv=C.createFramebuffer();this.copyTextureToTexture=function(E,L,F=null,H=null,B=0,te=null){E.isTexture!==!0&&(mr("WebGLRenderer: copyTextureToTexture function signature has changed."),H=arguments[0]||null,E=arguments[1],L=arguments[2],te=arguments[3]||0,F=null),te===null&&(B!==0?(mr("WebGLRenderer: copyTextureToTexture function signature has changed to support src and dst mipmap levels."),te=B,B=0):te=0);let de,ye,Ee,He,ke,Ie,st,ht,Lt,Rt=E.isCompressedTexture?E.mipmaps[te]:E.image;if(F!==null)de=F.max.x-F.min.x,ye=F.max.y-F.min.y,Ee=F.isBox3?F.max.z-F.min.z:1,He=F.min.x,ke=F.min.y,Ie=F.isBox3?F.min.z:0;else{let Ri=Math.pow(2,-B);de=Math.floor(Rt.width*Ri),ye=Math.floor(Rt.height*Ri),E.isDataArrayTexture?Ee=Rt.depth:E.isData3DTexture?Ee=Math.floor(Rt.depth*Ri):Ee=1,He=0,ke=0,Ie=0}H!==null?(st=H.x,ht=H.y,Lt=H.z):(st=0,ht=0,Lt=0);let at=qe.convert(L.format),Ue=qe.convert(L.type),jt;L.isData3DTexture?(w.setTexture3D(L,0),jt=C.TEXTURE_3D):L.isDataArrayTexture||L.isCompressedArrayTexture?(w.setTexture2DArray(L,0),jt=C.TEXTURE_2D_ARRAY):(w.setTexture2D(L,0),jt=C.TEXTURE_2D),C.pixelStorei(C.UNPACK_FLIP_Y_WEBGL,L.flipY),C.pixelStorei(C.UNPACK_PREMULTIPLY_ALPHA_WEBGL,L.premultiplyAlpha),C.pixelStorei(C.UNPACK_ALIGNMENT,L.unpackAlignment);let ut=C.getParameter(C.UNPACK_ROW_LENGTH),Xi=C.getParameter(C.UNPACK_IMAGE_HEIGHT),is=C.getParameter(C.UNPACK_SKIP_PIXELS),xi=C.getParameter(C.UNPACK_SKIP_ROWS),Aa=C.getParameter(C.UNPACK_SKIP_IMAGES);C.pixelStorei(C.UNPACK_ROW_LENGTH,Rt.width),C.pixelStorei(C.UNPACK_IMAGE_HEIGHT,Rt.height),C.pixelStorei(C.UNPACK_SKIP_PIXELS,He),C.pixelStorei(C.UNPACK_SKIP_ROWS,ke),C.pixelStorei(C.UNPACK_SKIP_IMAGES,Ie);let Mt=E.isDataArrayTexture||E.isData3DTexture,Ci=L.isDataArrayTexture||L.isData3DTexture;if(E.isDepthTexture){let Ri=fe.get(E),si=fe.get(L),hi=fe.get(Ri.__renderTarget),Eh=fe.get(si.__renderTarget);se.bindFramebuffer(C.READ_FRAMEBUFFER,hi.__webglFramebuffer),se.bindFramebuffer(C.DRAW_FRAMEBUFFER,Eh.__webglFramebuffer);for(let lr=0;lrMath.PI&&(i-=vi),n<-Math.PI?n+=vi:n>Math.PI&&(n-=vi),i<=n?this._spherical.theta=Math.max(i,Math.min(n,this._spherical.theta)):this._spherical.theta=this._spherical.theta>(i+n)/2?Math.max(i,this._spherical.theta):Math.min(n,this._spherical.theta)),this._spherical.phi=Math.max(this.minPolarAngle,Math.min(this.maxPolarAngle,this._spherical.phi)),this._spherical.makeSafe(),this.enableDamping===!0?this.target.addScaledVector(this._panOffset,this.dampingFactor):this.target.add(this._panOffset),this.target.sub(this.cursor),this.target.clampLength(this.minTargetRadius,this.maxTargetRadius),this.target.add(this.cursor);let s=!1;if(this.zoomToCursor&&this._performCursorZoom||this.object.isOrthographicCamera)this._spherical.radius=this._clampDistance(this._spherical.radius);else{let a=this._spherical.radius;this._spherical.radius=this._clampDistance(this._spherical.radius*this._scale),s=a!=this._spherical.radius}if(Gt.setFromSpherical(this._spherical),Gt.applyQuaternion(this._quatInverse),t.copy(this.target).add(Gt),this.object.lookAt(this.target),this.enableDamping===!0?(this._sphericalDelta.theta*=1-this.dampingFactor,this._sphericalDelta.phi*=1-this.dampingFactor,this._panOffset.multiplyScalar(1-this.dampingFactor)):(this._sphericalDelta.set(0,0,0),this._panOffset.set(0,0,0)),this.zoomToCursor&&this._performCursorZoom){let a=null;if(this.object.isPerspectiveCamera){let o=Gt.length();a=this._clampDistance(o*this._scale);let l=o-a;this.object.position.addScaledVector(this._dollyDirection,l),this.object.updateMatrixWorld(),s=!!l}else if(this.object.isOrthographicCamera){let o=new b(this._mouse.x,this._mouse.y,0);o.unproject(this.object);let l=this.object.zoom;this.object.zoom=Math.max(this.minZoom,Math.min(this.maxZoom,this.object.zoom/this._scale)),this.object.updateProjectionMatrix(),s=l!==this.object.zoom;let c=new b(this._mouse.x,this._mouse.y,0);c.unproject(this.object),this.object.position.sub(c).add(o),this.object.updateMatrixWorld(),a=Gt.length()}else console.warn("WARNING: OrbitControls.js encountered an unknown camera type - zoom to cursor disabled."),this.zoomToCursor=!1;a!==null&&(this.screenSpacePanning?this.target.set(0,0,-1).transformDirection(this.object.matrix).multiplyScalar(a).add(this.object.position):(fh.origin.copy(this.object.position),fh.direction.set(0,0,-1).transformDirection(this.object.matrix),Math.abs(this.object.up.dot(fh.direction))df||8*(1-this._lastQuaternion.dot(this.object.quaternion))>df||this._lastTargetPosition.distanceToSquared(this.target)>df?(this.dispatchEvent(Ng),this._lastPosition.copy(this.object.position),this._lastQuaternion.copy(this.object.quaternion),this._lastTargetPosition.copy(this.target),!0):!1}_getAutoRotationAngle(e){return e!==null?vi/60*this.autoRotateSpeed*e:vi/60/60*this.autoRotateSpeed}_getZoomScale(e){let t=Math.abs(e*.01);return Math.pow(.95,this.zoomSpeed*t)}_rotateLeft(e){this._sphericalDelta.theta-=e}_rotateUp(e){this._sphericalDelta.phi-=e}_panLeft(e,t){Gt.setFromMatrixColumn(t,0),Gt.multiplyScalar(-e),this._panOffset.add(Gt)}_panUp(e,t){this.screenSpacePanning===!0?Gt.setFromMatrixColumn(t,1):(Gt.setFromMatrixColumn(t,0),Gt.crossVectors(this.object.up,Gt)),Gt.multiplyScalar(e),this._panOffset.add(Gt)}_pan(e,t){let i=this.domElement;if(this.object.isPerspectiveCamera){let n=this.object.position;Gt.copy(n).sub(this.target);let s=Gt.length();s*=Math.tan(this.object.fov/2*Math.PI/180),this._panLeft(2*e*s/i.clientHeight,this.object.matrix),this._panUp(2*t*s/i.clientHeight,this.object.matrix)}else this.object.isOrthographicCamera?(this._panLeft(e*(this.object.right-this.object.left)/this.object.zoom/i.clientWidth,this.object.matrix),this._panUp(t*(this.object.top-this.object.bottom)/this.object.zoom/i.clientHeight,this.object.matrix)):(console.warn("WARNING: OrbitControls.js encountered an unknown camera type - pan disabled."),this.enablePan=!1)}_dollyOut(e){this.object.isPerspectiveCamera||this.object.isOrthographicCamera?this._scale/=e:(console.warn("WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled."),this.enableZoom=!1)}_dollyIn(e){this.object.isPerspectiveCamera||this.object.isOrthographicCamera?this._scale*=e:(console.warn("WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled."),this.enableZoom=!1)}_updateZoomParameters(e,t){if(!this.zoomToCursor)return;this._performCursorZoom=!0;let i=this.domElement.getBoundingClientRect(),n=e-i.left,s=t-i.top,a=i.width,o=i.height;this._mouse.x=n/a*2-1,this._mouse.y=-(s/o)*2+1,this._dollyDirection.set(this._mouse.x,this._mouse.y,1).unproject(this.object).sub(this.object.position).normalize()}_clampDistance(e){return Math.max(this.minDistance,Math.min(this.maxDistance,e))}_handleMouseDownRotate(e){this._rotateStart.set(e.clientX,e.clientY)}_handleMouseDownDolly(e){this._updateZoomParameters(e.clientX,e.clientX),this._dollyStart.set(e.clientX,e.clientY)}_handleMouseDownPan(e){this._panStart.set(e.clientX,e.clientY)}_handleMouseMoveRotate(e){this._rotateEnd.set(e.clientX,e.clientY),this._rotateDelta.subVectors(this._rotateEnd,this._rotateStart).multiplyScalar(this.rotateSpeed);let t=this.domElement;this._rotateLeft(vi*this._rotateDelta.x/t.clientHeight),this._rotateUp(vi*this._rotateDelta.y/t.clientHeight),this._rotateStart.copy(this._rotateEnd),this.update()}_handleMouseMoveDolly(e){this._dollyEnd.set(e.clientX,e.clientY),this._dollyDelta.subVectors(this._dollyEnd,this._dollyStart),this._dollyDelta.y>0?this._dollyOut(this._getZoomScale(this._dollyDelta.y)):this._dollyDelta.y<0&&this._dollyIn(this._getZoomScale(this._dollyDelta.y)),this._dollyStart.copy(this._dollyEnd),this.update()}_handleMouseMovePan(e){this._panEnd.set(e.clientX,e.clientY),this._panDelta.subVectors(this._panEnd,this._panStart).multiplyScalar(this.panSpeed),this._pan(this._panDelta.x,this._panDelta.y),this._panStart.copy(this._panEnd),this.update()}_handleMouseWheel(e){this._updateZoomParameters(e.clientX,e.clientY),e.deltaY<0?this._dollyIn(this._getZoomScale(e.deltaY)):e.deltaY>0&&this._dollyOut(this._getZoomScale(e.deltaY)),this.update()}_handleKeyDown(e){let t=!1;switch(e.code){case this.keys.UP:e.ctrlKey||e.metaKey||e.shiftKey?this.enableRotate&&this._rotateUp(vi*this.keyRotateSpeed/this.domElement.clientHeight):this.enablePan&&this._pan(0,this.keyPanSpeed),t=!0;break;case this.keys.BOTTOM:e.ctrlKey||e.metaKey||e.shiftKey?this.enableRotate&&this._rotateUp(-vi*this.keyRotateSpeed/this.domElement.clientHeight):this.enablePan&&this._pan(0,-this.keyPanSpeed),t=!0;break;case this.keys.LEFT:e.ctrlKey||e.metaKey||e.shiftKey?this.enableRotate&&this._rotateLeft(vi*this.keyRotateSpeed/this.domElement.clientHeight):this.enablePan&&this._pan(this.keyPanSpeed,0),t=!0;break;case this.keys.RIGHT:e.ctrlKey||e.metaKey||e.shiftKey?this.enableRotate&&this._rotateLeft(-vi*this.keyRotateSpeed/this.domElement.clientHeight):this.enablePan&&this._pan(-this.keyPanSpeed,0),t=!0;break}t&&(e.preventDefault(),this.update())}_handleTouchStartRotate(e){if(this._pointers.length===1)this._rotateStart.set(e.pageX,e.pageY);else{let t=this._getSecondPointerPosition(e),i=.5*(e.pageX+t.x),n=.5*(e.pageY+t.y);this._rotateStart.set(i,n)}}_handleTouchStartPan(e){if(this._pointers.length===1)this._panStart.set(e.pageX,e.pageY);else{let t=this._getSecondPointerPosition(e),i=.5*(e.pageX+t.x),n=.5*(e.pageY+t.y);this._panStart.set(i,n)}}_handleTouchStartDolly(e){let t=this._getSecondPointerPosition(e),i=e.pageX-t.x,n=e.pageY-t.y,s=Math.sqrt(i*i+n*n);this._dollyStart.set(0,s)}_handleTouchStartDollyPan(e){this.enableZoom&&this._handleTouchStartDolly(e),this.enablePan&&this._handleTouchStartPan(e)}_handleTouchStartDollyRotate(e){this.enableZoom&&this._handleTouchStartDolly(e),this.enableRotate&&this._handleTouchStartRotate(e)}_handleTouchMoveRotate(e){if(this._pointers.length==1)this._rotateEnd.set(e.pageX,e.pageY);else{let i=this._getSecondPointerPosition(e),n=.5*(e.pageX+i.x),s=.5*(e.pageY+i.y);this._rotateEnd.set(n,s)}this._rotateDelta.subVectors(this._rotateEnd,this._rotateStart).multiplyScalar(this.rotateSpeed);let t=this.domElement;this._rotateLeft(vi*this._rotateDelta.x/t.clientHeight),this._rotateUp(vi*this._rotateDelta.y/t.clientHeight),this._rotateStart.copy(this._rotateEnd)}_handleTouchMovePan(e){if(this._pointers.length===1)this._panEnd.set(e.pageX,e.pageY);else{let t=this._getSecondPointerPosition(e),i=.5*(e.pageX+t.x),n=.5*(e.pageY+t.y);this._panEnd.set(i,n)}this._panDelta.subVectors(this._panEnd,this._panStart).multiplyScalar(this.panSpeed),this._pan(this._panDelta.x,this._panDelta.y),this._panStart.copy(this._panEnd)}_handleTouchMoveDolly(e){let t=this._getSecondPointerPosition(e),i=e.pageX-t.x,n=e.pageY-t.y,s=Math.sqrt(i*i+n*n);this._dollyEnd.set(0,s),this._dollyDelta.set(0,Math.pow(this._dollyEnd.y/this._dollyStart.y,this.zoomSpeed)),this._dollyOut(this._dollyDelta.y),this._dollyStart.copy(this._dollyEnd);let a=(e.pageX+t.x)*.5,o=(e.pageY+t.y)*.5;this._updateZoomParameters(a,o)}_handleTouchMoveDollyPan(e){this.enableZoom&&this._handleTouchMoveDolly(e),this.enablePan&&this._handleTouchMovePan(e)}_handleTouchMoveDollyRotate(e){this.enableZoom&&this._handleTouchMoveDolly(e),this.enableRotate&&this._handleTouchMoveRotate(e)}_addPointer(e){this._pointers.push(e.pointerId)}_removePointer(e){delete this._pointerPositions[e.pointerId];for(let t=0;t=.999&&typeof this.getUnsafe("tp")=="undefined"&&console.warn('You must specify "tp" (time of perihelion) for highly eccentric orbits'),this.locked=i}set(e,t,i="rad"){if(this.locked)throw new Error("Attempted to modify locked (immutable) Ephem object");return fE.has(e)?(i==="deg"?this.attrs[e]=t*Math.PI/180:this.attrs[e]=t,!0):(console.warn(`Invalid ephem attr: ${e}`),!1)}getUnsafe(e,t="rad"){if(t==="deg"){let i=this.attrs[e];return typeof i=="undefined"?void 0:i*180/Math.PI}return this.attrs[e]}get(e,t="rad"){let i=this.getUnsafe(e,t);if(typeof i=="undefined")throw console.info(this.attrs),new Error(`Attempted to get ephemeris value '${e}' but it was undefined`);return i}fill(){let e=this.getUnsafe("e");if(!Et(e))throw console.info(this.attrs),new Error('Must define eccentricity "e" in an orbit');let t=this.getUnsafe("a"),i=this.getUnsafe("q");if(Et(t)){if(!Et(i)){if(e>=1)throw new Error('Must provide perihelion distance "q" if eccentricity "e" is greater than 1');i=t*(1-e),this.set("q",i)}}else if(Et(i))t=i/(1-e),this.set("a",t);else throw new Error('Must define semimajor axis "a" or perihelion distance "q" in an orbit');let n=this.getUnsafe("w"),s=this.getUnsafe("wBar"),a=this.getUnsafe("om");Et(n)&&Et(a)&&!Et(s)?(s=n+a,this.set("wBar",s)):Et(s)&&Et(a)&&!Et(n)?(n=s-a,this.set("w",n)):Et(n)&&Et(s)&&!Et(a)&&(a=s-n,this.set("om",a));let o=t*uE,l=this.getUnsafe("n"),c=this.getUnsafe("GM"),h=this.getUnsafe("period");if(!Et(h)&&Et(t)){if(!Et(c))throw new Error("Expected ephemeris attribute GM to be set");h=2*Math.PI*Math.sqrt(o*o*o/c)/dE,this.set("period",h)}if(e<1)if(Et(h)&&!Et(l)){let f=2*Math.PI/h;this.set("n",f)}else Et(l)&&!Et(h)&&this.set("period",2*Math.PI/l);let u=this.getUnsafe("ma"),d=this.getUnsafe("L");!Et(d)&&Et(a)&&Et(n)&&Et(u)&&(d=a+n+u,this.set("L",d)),Et(u)||this.set("ma",d-s)}lock(){this.locked=!0}copy(){return new Zt({GM:this.getUnsafe("GM"),epoch:this.getUnsafe("epoch"),a:this.getUnsafe("a"),e:this.getUnsafe("e"),i:this.getUnsafe("i"),om:this.getUnsafe("om"),ma:this.getUnsafe("ma"),w:this.getUnsafe("w"),period:this.getUnsafe("period")},"rad")}};function mh(r,e,t,i,n,s){if(r===void 0)throw"data object is undefined";if(!Array.isArray(r))throw"data object must be an array";if(t>=i)throw"first row must be greater than last row";if(t<0)throw"first row must be greater than zero";if(i>r.length-1)throw"last row must be ";if(!Array.isArray(r[t]))throw"data in rows must be array data";let a=r[0].length-1;if(n<0||n>a)throw`xIndex has to be between 0 and ${a}: ${n}`;if(s<0||s>a)throw`yIndex has to be between 0 and ${a}: ${s}`;let o=0;for(let l=t;l<=i;l++){let c=1;for(let h=t;h<=i;h++)h!==l&&(c*=(e-r[h][n])/(r[l][n]-r[h][n]));o+=c*r[l][s]}return o}var mE=(r,e)=>r-e,gE="{{assets}}/sprites/fuzzyparticle.png";function tl(r,e){return r.replace("{{assets}}",`${e}/assets`).replace("{{data}}",`${e}/data`)}function Kr(r,e){return tl(r||gE,e)}function kg(r,e){let t=Kr(r,e),i=new wi().load(t);return i.colorSpace=Oe,i}function Gg(){return window.location.href.indexOf("localhost")>-1?"/src/":"https://typpo.github.io/spacekit/src"}function Vg(r,e,t=mE){if(r===void 0)throw"data object is undefined";if(!Array.isArray(r))throw"data object must be an array";if(e===void 0)throw"value object must be defined";if(t===void 0)throw"comparer must be defined";let i=0,n=r.length;for(;i<=n;){let s=Math.floor((i+n)/2);if(s===r.length)return s;let a=t(r[s],e);if(a<0)i=s+1;else if(a>0)n=s-1;else return s}return~i}var Wg=20,vE=(r,e)=>r[0]-e,xf={distance:"au",time:"day"},xE="cartesianposvel",_E="lagrange",yE=5,AE=new Set(["km","au"]),SE=new Set(["cartesianposvel"]),EE=new Set(["lagrange"]),ME=new Set(["day","sec"]),ki=class{constructor(e){if(this.units=JSON.parse(JSON.stringify(xf)),this.ephemType=xE,this.interpolationType=_E,this.interpolationOrder=yE,!e)throw new Error("EphemerisTable must be initialized with an ephemeris data structure");if(!e.data||!Array.isArray(e.data)||e.data.length===0||!Array.isArray(e.data[0]))throw new Error("EphemerisTable must be initialized with a structure containing an array of arrays of ephemeris data");if(this.data=JSON.parse(JSON.stringify(e.data)),e.distanceUnits){if(!AE.has(e.distanceUnits))throw new Error(`Unknown distance units: ${e.distanceUnits}`);this.units.distance=e.distanceUnits}if(e.timeUnits){if(!ME.has(e.timeUnits))throw new Error(`Unknown time units: ${e.timeUnits}`);this.units.time=e.timeUnits}if(e.ephemerisType){if(!SE.has(e.ephemerisType))throw new Error(`Unknown ephemeris type: ${e.ephemerisType}`);this.ephemType=e.ephemerisType}if(e.interpolationType){if(!EE.has(e.interpolationType))throw new Error(`Unknown interpolation type: ${e.interpolationType}`);this.interpolationType=e.interpolationType}if(e.interpolationOrder!==void 0){if(e.interpolationOrder<1||e.interpolationOrder>Wg)throw new Error(`Interpolation order must be >0 and <${Wg}: ${e.interpolationOrder}`);this.interpolationOrder=e.interpolationOrder}if(this.units.distance!==xf.distance||this.units.time!==xf.time){let t=this.calcDistanceMultiplier(this.units.distance),i=this.calcTimeMultiplier(this.units.time);this.data.forEach(n=>{n[1]*=t,n[2]*=t,n[3]*=t,n[4]*=t*i,n[5]*=t*i,n[6]*=t*i})}}getStartJd(){return this.data[0][0]}getStopJd(){return this.data[this.data.length-1][0]}getPositionAtTime(e){if(e<=this.data[0][0])return[this.data[0][1],this.data[0][2],this.data[0][3]];let t=this.data[this.data.length-1];if(e>=t[0])return[t[1],t[2],t[3]];let{startIndex:i,stopIndex:n}=this.calcBoundingIndices(e),s=mh(this.data,e,i,n,0,1),a=mh(this.data,e,i,n,0,2),o=mh(this.data,e,i,n,0,3);return[s,a,o]}getPositions(e,t,i){if(e>t)throw new Error("Requested start needs to be after requested stop");if(i<=0)throw new Error("Step days needs to be greater than zero");let n=[];for(let s=e;s<=t;s+=i)n.push(this.getPositionAtTime(s));return n}calcDistanceMultiplier(e){switch(e){case"au":return 1;case"km":return yt.kmToAu(1);default:throw new Error("Unknown distance unit type: "+e)}}calcTimeMultiplier(e){switch(e){case"day":return 1;case"sec":return 1/86400;default:throw new Error("Unknown time unit type: "+e)}}calcBoundingIndices(e){let t=Math.floor(this.interpolationOrder/2),i=Vg(this.data,e,vE);i<0&&(i=~i-1);let n=i-t;n<0&&(n=0);let s=n+Number(this.interpolationOrder);return s>=this.data.length&&(s=this.data.length-1,this.data.length>t&&(n=s-t)),{startIndex:n,stopIndex:s}}};var tn={MERCURY:new Zt({epoch:24584265e-1,a:.3870968969437096,e:.2056515875393916,i:7.003891682749818,om:48.30774804443502,w:29.17940253442659,ma:256.190975209273,period:87.969257},"deg",!0),VENUS:new Zt({epoch:24584265e-1,a:.7233458663591554,e:.006762510759617694,i:3.394567787211735,om:76.62534150657346,w:54.74567447560867,ma:275.6687596099721,period:224.70079922},"deg",!0),EARTH:new Zt({epoch:2451545,a:1.00000261,e:.01671123,i:-1531e-8,om:0,wBar:102.93768193,L:100.46457166,period:365.256363004},"deg",!0),MOON:new Zt({GM:xa.EARTH_MOON,epoch:24586215e-1,a:.002582517063772124,e:.04582543645168888,i:5.102060246928811,om:108.5916732144811,w:61.80561793729225,ma:50.53270083636792,period:27.321582},"deg",!0),MARS:new Zt({epoch:24584265e-1,a:1.52371401537107,e:.09336741335309606,i:1.848141099825311,om:49.50420572080223,w:286.6965847685386,ma:25.38237617924876,period:686.98},"deg",!0),JUPITER:new Zt({epoch:24584265e-1,a:5.20180355911023,e:.0489912558249006,i:1.303560894624275,om:100.5203828847816,w:273.736301845404,ma:231.939544389401,period:4332.589},"deg",!0),SATURN:new Zt({epoch:24584265e-1,a:9.577177295536776,e:.05101889921719987,i:2.482782449972317,om:113.6154964073247,w:339.4422648650336,ma:187.0970898012944,period:10755.698},"deg",!0),URANUS:new Zt({epoch:24584265e-1,a:19.14496966635462,e:.04832662948112808,i:.7697511134483724,om:74.14239045667875,w:99.42704504702185,ma:220.2603033874267,period:30685.4},"deg",!0),NEPTUNE:new Zt({epoch:24584265e-1,a:30.0962226342805,e:.00736257118719377,i:1.774569249829094,om:131.8695882492132,w:258.6226409499831,ma:315.2804988924479,period:60189},"deg",!0),PLUTO:new Zt({epoch:24540005e-1,a:39.4450697257,e:.250248713478,i:17.0890009196,om:110.376957955,w:112.597141677,ma:25.2471897122},"deg",!0)},_f=class{constructor(e){this._simulation=e,this._context=e.getContext(),this._satellitesByPlanet={};let t=tl("{{data}}/processed/natural-satellites.json",this._context.options.basePath);this._readyPromise=new Promise((i,n)=>{fetch(t).then(s=>s.json()).then(s=>{s.forEach(a=>{let o=a.Planet.toLowerCase();this._satellitesByPlanet[o]||(this._satellitesByPlanet[o]=[]);let l;switch(a["Element Type"]){case"Ecliptic":break;case"Equatorial":l="equatorial";break;case"Laplace":l="equatorial";break;default:console.warn(`Ephemeris type not yet implemented: ${l}`);return}let c;switch(a.Planet){case"Earth":c=xa.EARTH_MOON;break;case"Pluto":c=xa.PLUTO_CHARON;break;default:c=xa[a.Planet.toUpperCase()]}c||console.error(`Could not look up GM for ${a.Planet}`);let h=new Zt({GM:c,epoch:Number(a["Epoch JD"]),a:yt.kmToAu(Number(a.a)),e:Number(a.e),i:Number(a.i),w:Number(a.w),om:Number(a.node),ma:Number(a.M)},"deg",!0);this._satellitesByPlanet[o].push({name:a["Sat."],elementType:a["Element Type"],tags:new Set(a.tags.split(",")),ephem:h})}),console.info("Loaded",s.length,"natural satellites"),i(this)}).catch(s=>{n(s)})})}getSatellitesForPlanet(e){return this._satellitesByPlanet[e.toLowerCase()]}load(){return this._readyPromise}};var Zg=Xf(yf());var Ut;(function(s){s[s.UNKNOWN=0]="UNKNOWN",s[s.PARABOLIC=1]="PARABOLIC",s[s.HYPERBOLIC=2]="HYPERBOLIC",s[s.ELLIPTICAL=3]="ELLIPTICAL",s[s.TABLE=4]="TABLE"})(Ut||(Ut={}));var{sin:Jr,cos:Fn,sqrt:rr}=Math,Qg=10,RE=360,DE=1,Kg=!1,PE={leadDurationYears:Qg,trailDurationYears:Qg,numberSamplePoints:RE,eclipticLineSparsity:DE,drawHeliocentric:Kg};function gh(r){return Math.exp(Math.log(r)/3)}var sr=class{constructor(e,t){var i;this.ephem=e,this.options=t||{},this.options.orbitPathSettings=Object.assign({},PE,(i=this.options.orbitPathSettings)!=null?i:{}),this.orbitPoints=void 0,this.eclipticDropLines=void 0,this.orbitShape=void 0,this.orbitStart=0,this.orbitStop=0,this.orbitType=sr.getOrbitType(this.ephem)}isHeliocentric(){var e,t;return(t=(e=this.options.orbitPathSettings)==null?void 0:e.drawHeliocentric)!=null?t:Kg}getPositionAtTime(e,t=!1){switch(this.orbitType){case 1:return this.getPositionAtTimeNearParabolic(e,t);case 2:return this.getPositionAtTimeHyperbolic(e,t);case 3:return this.getPositionAtTimeElliptical(e,t);case 4:return this.getPositionAtTimeTable(e,t);default:throw new Error("No handler for this type of orbit")}}getPositionAtTimeParabolic(e,t=!1){let i=this.ephem;if(i instanceof ki)throw new Error("Attempted to compute coordinates from ephemeris table");let n=.01720209895,s=i.get("q"),o=(e-i.get("tp"))*(n/rr(2))/rr(s*s*s),l=1.5*o,c=rr(1+l*l),h=gh(c+l)-gh(c-l),u=2*Math.atan(h),d=s*(1+h*h);return this.vectorToHeliocentric(u,d)}getPositionAtTimeNearParabolic(e,t=!1){let i=this.ephem;if(i instanceof ki)throw new Error("Attempted to compute coordinates from ephemeris table");let n=.01720209895,s=i.get("e"),a=i.get("q"),o=e-i.get("tp"),l=.75*o*n*rr((1+s)/(a*a*a)),c=rr(1+l*l),h=gh(c+l)-gh(c-l),u=(1-s)/(1+s),d=2/3+2/5*h*h,f=7/5+33/35*h*h+37/175*rn(h,4),m=h*h*(432/175+956/1125*h*h+84/1575*rn(h,4)),v=h*h/(1+h*h),g=u*v*v,p=h*(1+u*v*(d+f*g+m*g*g)),y=2*Math.atan(p),x=a*(1+p*p)/(1+p*p*u);return this.vectorToHeliocentric(y,x)}getPositionAtTimeHyperbolic(e,t=!1){let i=this.ephem;if(i instanceof ki)throw new Error("Attempted to compute coordinates from ephemeris table");let n=i.get("e"),s=i.get("a"),a=i.get("ma"),o=i.get("n","rad"),l=i.get("epoch"),c=e-l,h=a+o*c,u=h;for(let v=0;v<100;v++){let g=(h+n*(u*Math.cosh(u)-Math.sinh(u)))/(n*Math.cosh(u)-1),p=Math.abs(g-u);if(u=g,p<1e-7)break}let d=u,f=2*Math.atan(rr((n+1)/(n-1)))*Math.tanh(d/2),m=s*(1-n*n)/(1+n*Fn(f));return this.vectorToHeliocentric(f,m)}getPositionAtTimeElliptical(e,t=!1){let i=this.ephem;if(i instanceof ki)throw new Error("Attempted to compute coordinates from ephemeris table");let n=i.get("e"),s=i.get("ma","rad"),a=i.get("n","rad"),o=i.get("epoch"),l=e-o,c=s+a*l;t&&(console.info("period=",i.get("period")),console.info("n=",a),console.info("ma=",s),console.info("d=",l),console.info("M=",c));let h=c;for(let v=0;v<100;v++){let g=c+n*Jr(h),p=Math.abs(g-h);if(h=g,p<1e-7)break}let u=h,d=2*Math.atan(rr((1+n)/(1-n))*Math.tan(u/2)),m=i.get("a")*(1-n*n)/(1+n*Fn(d));return this.vectorToHeliocentric(d,m)}getPositionAtTimeTable(e,t=!1){if(this.ephem instanceof ki){let i=this.ephem.getPositionAtTime(e);return mf(i[0],i[1],i[2])}throw new Error("Attempted to read ephemeris table of non-table data")}vectorToHeliocentric(e,t){let i=this.ephem;if(i instanceof ki)throw new Error("Attempted to compute coordinates from ephemeris table");let n=i.get("i","rad"),s=i.get("om","rad"),a=i.get("wBar","rad"),o=t*(Fn(s)*Fn(e+a-s)-Jr(s)*Jr(e+a-s)*Fn(n)),l=t*(Jr(s)*Fn(e+a-s)+Fn(s)*Jr(e+a-s)*Fn(n)),c=t*(Jr(e+a-s)*Jr(n));return mf(o,l,c)}needsUpdateForTime(e){return this.orbitType===4?ethis.orbitStop:!1}getOrbitShape(e,t=!1,i){var s,a,o,l,c;if(t&&(this.orbitShape&&(this.orbitShape.geometry.dispose(),this.orbitShape.material.dispose()),this.orbitShape=void 0,this.orbitPoints=void 0,this.eclipticDropLines&&(this.eclipticDropLines.geometry.dispose(),this.eclipticDropLines.material.dispose()),this.eclipticDropLines=void 0),this.orbitShape)return this.orbitShape;if(this.orbitType===4&&this.ephem instanceof ki)this.orbitStart=this.ephem.getStartJd(),this.orbitStop=this.ephem.getStopJd();else if(this.orbitType!==4&&!(this.ephem instanceof ki)){let h=(s=e!=null?e:this.ephem.getUnsafe("tp"))!=null?s:Zg.default.toJulianDay(new Date);this.orbitStart=h-this.options.orbitPathSettings.trailDurationYears*365.25,this.orbitStop=h+this.options.orbitPathSettings.leadDurationYears*365.25}else throw new Error("if this.orbitType == OrbitType.TABLE, then this.ephem needs to be an instance of EphemerisTable and vice versa");let n=(this.orbitStop-this.orbitStart)/this.options.orbitPathSettings.numberSamplePoints;switch(this.orbitType){case 3:return((a=this.options.orbitPathSettings)==null?void 0:a.drawHeliocentric)&&i?this.getEllipseAround(this.orbitStart,this.orbitStop,n,i):this.getEllipse();case 2:return this.getLine(this.getPositionAtTimeHyperbolic.bind(this),this.orbitStart,this.orbitStop,n,((o=this.options.orbitPathSettings)==null?void 0:o.drawHeliocentric)?i:void 0);case 1:return this.getLine(this.getPositionAtTimeNearParabolic.bind(this),this.orbitStart,this.orbitStop,n,((l=this.options.orbitPathSettings)==null?void 0:l.drawHeliocentric)?i:void 0);case 4:return this.getTableOrbit(this.orbitStart,this.orbitStop,n,((c=this.options.orbitPathSettings)==null?void 0:c.drawHeliocentric)?i:void 0);default:throw new Error("Unknown orbit shape")}}getLine(e,t,i,n,s){let a=[];for(let o=t;o<=i;o+=n){let l=e(o);if(s){let c=s.getPosition(o);l[0]+=c[0],l[1]+=c[1],l[2]+=c[2]}a.push(new b(l[0],l[1],l[2]))}return this.generateAndCacheOrbitShape(a)}getTableOrbit(e,t,i,n){if(this.ephem instanceof Zt)throw new Error("Attempted to compute table orbit on non-table ephemeris");let a=this.ephem.getPositions(e,t,i).map(o=>$i(o)).map(o=>new b(o[0],o[1],o[2]));return n&&a.forEach((o,l)=>{let c=n.getPosition(e+l*i);o.x+=c[0],o.y+=c[1],o.z+=c[2]}),this.generateAndCacheOrbitShape(a)}getEllipse(){let e=this.getEllipsePoints();return this.generateAndCacheOrbitShape(e)}getEllipseAround(e,t,i,n){let s=[];for(let a=e;a<=t;a+=i){let o=n.getPosition(a),l=this.getPositionAtTimeElliptical(a,!1);s.push(new b(o[0]+l[0],o[1]+l[1],o[2]+l[2]))}return this.generateAndCacheOrbitShape(s)}getEllipsePoints(){let e=this.ephem;if(e instanceof ki)throw new Error("Attempted to compute coordinates from ephemeris table");let t=e.get("a"),i=e.get("e"),n=Math.PI*2,s=n/this.options.orbitPathSettings.numberSamplePoints,a=[];for(let o=0;o{var a,o;s===e.length-1&&this.orbitType===3||s%((o=(a=this.options.orbitPathSettings)==null?void 0:a.eclipticLineSparsity)!=null?o:1)!=0||(t.push(n),t.push(new b(n.x,n.y,0)))});let i=new we().setFromPoints(t);return this.eclipticDropLines=new qt(i,new _t({color:this.options.eclipticLineColor||3355443,blending:sn})),this.eclipticDropLines}getHexColor(){return this.getOrbitShape().material.color.getHex()}setHexColor(e){this.getOrbitShape().material.color=new re(e)}getVisibility(){return this.getOrbitShape().visible}setVisibility(e){this.getOrbitShape().visible=e,this.getLinesToEcliptic().visible=e}removalCleanup(){this.orbitShape&&(this.orbitShape.geometry.dispose(),this.orbitShape.material.dispose()),this.eclipticDropLines&&(this.eclipticDropLines.geometry.dispose(),this.eclipticDropLines.material.dispose())}static getOrbitType(e){if(e instanceof ki)return 4;let t=e.get("e");return t>=.999&&t<1.2?1:t>1.2?2:3}};var Ah=Xf(yf());var il=function(){var r=0,e=document.createElement("div");e.style.cssText="position:fixed;top:0;left:0;cursor:pointer;opacity:0.9;z-index:10000",e.addEventListener("click",function(h){h.preventDefault(),i(++r%e.children.length)},!1);function t(h){return e.appendChild(h.dom),h}function i(h){for(var u=0;u=s+1e3&&(o.update(a*1e3/(h-s),100),s=h,a=0,c)){var u=performance.memory;c.update(u.usedJSHeapSize/1048576,u.jsHeapSizeLimit/1048576)}return h},update:function(){n=this.end()},domElement:e,setMode:i}};il.Panel=function(r,e,t){var i=1/0,n=0,s=Math.round,a=s(window.devicePixelRatio||1),o=80*a,l=48*a,c=3*a,h=2*a,u=3*a,d=15*a,f=74*a,m=30*a,v=document.createElement("canvas");v.width=o,v.height=l,v.style.cssText="width:80px;height:48px";var g=v.getContext("2d");return g.font="bold "+9*a+"px Helvetica,Arial,sans-serif",g.textBaseline="top",g.fillStyle=t,g.fillRect(0,0,o,l),g.fillStyle=e,g.fillText(r,c,h),g.fillRect(u,d,f,m),g.fillStyle=t,g.globalAlpha=.9,g.fillRect(u,d,f,m),{dom:v,update:function(p,y){i=Math.min(i,p),n=Math.max(n,p),g.fillStyle=t,g.globalAlpha=1,g.fillRect(0,0,o,d),g.fillStyle=e,g.fillText(s(p)+" "+r+" ("+s(i)+"-"+s(n)+")",c,h),g.drawImage(v,u+a,d,f-a,m,u,d,f-a,m),g.fillRect(u+f-a,d,a,m),g.fillStyle=t,g.globalAlpha=.9,g.fillRect(u+f-a,d,a,s((1-p/y)*m))}}};var Jg=il;var Af=1/1e3,IE=1e3,UE=class{constructor(){this.startTime=performance.now(),this.previousTime=0,this.currentTime=0,this._delta=0,this._elapsed=0,this._fixedDelta=1e3/60,this.timescale=1,this.useFixedDelta=!1,this._autoReset=!1}get autoReset(){return this._autoReset}set autoReset(r){typeof document!="undefined"&&document.hidden!==void 0&&(r?document.addEventListener("visibilitychange",this):document.removeEventListener("visibilitychange",this),this._autoReset=r)}get delta(){return this._delta*Af}get fixedDelta(){return this._fixedDelta*Af}set fixedDelta(r){this._fixedDelta=r*IE}get elapsed(){return this._elapsed*Af}update(r){this.useFixedDelta?this._delta=this.fixedDelta:(this.previousTime=this.currentTime,this.currentTime=(r!==void 0?r:performance.now())-this.startTime,this._delta=this.currentTime-this.previousTime),this._delta*=this.timescale,this._elapsed+=this._delta}reset(){this._delta=0,this._elapsed=0,this.currentTime=performance.now()-this.startTime}getDelta(){return this.delta}getElapsed(){return this.elapsed}handleEvent(r){document.hidden||(this.currentTime=performance.now()-this.startTime)}dispose(){this.autoReset=!1}},LE=(()=>{let r=new Float32Array([-1,-1,0,3,-1,0,-1,3,0]),e=new Float32Array([0,0,2,0,0,2]),t=new we;return t.setAttribute("position",new Ce(r,3)),t.setAttribute("uv",new Ce(e,2)),t})(),nn=class Sf{static get fullscreenGeometry(){return LE}constructor(e="Pass",t=new Pn,i=new Qn){this.name=e,this.renderer=null,this.scene=t,this.camera=i,this.screen=null,this.rtt=!0,this.needsSwap=!0,this.needsDepthTexture=!1,this.enabled=!0}get renderToScreen(){return!this.rtt}set renderToScreen(e){if(this.rtt===e){let t=this.fullscreenMaterial;t!==null&&(t.needsUpdate=!0),this.rtt=!e}}set mainScene(e){}set mainCamera(e){}setRenderer(e){this.renderer=e}isEnabled(){return this.enabled}setEnabled(e){this.enabled=e}get fullscreenMaterial(){return this.screen!==null?this.screen.material:null}set fullscreenMaterial(e){let t=this.screen;t!==null?t.material=e:(t=new tt(Sf.fullscreenGeometry,e),t.frustumCulled=!1,this.scene===null&&(this.scene=new Pn),this.scene.add(t),this.screen=t)}getFullscreenMaterial(){return this.fullscreenMaterial}setFullscreenMaterial(e){this.fullscreenMaterial=e}getDepthTexture(){return null}setDepthTexture(e,t=Ui){}render(e,t,i,n,s){throw new Error("Render method not implemented!")}setSize(e,t){}initialize(e,t,i){}dispose(){for(let e of Object.keys(this)){let t=this[e];(t instanceof mt||t instanceof St||t instanceof pt||t instanceof Sf)&&this[e].dispose()}this.fullscreenMaterial!==null&&this.fullscreenMaterial.dispose()}},BE=class extends nn{constructor(){super("ClearMaskPass",null,null);this.needsSwap=!1}render(r,e,t,i,n){let s=r.state.buffers.stencil;s.setLocked(!1),s.setTest(!1)}},OE=`#include +#include +#ifdef FRAMEBUFFER_PRECISION_HIGH +uniform mediump sampler2D inputBuffer; +#else +uniform lowp sampler2D inputBuffer; +#endif +uniform float opacity;varying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);gl_FragColor=opacity*texel; +#include +#include +}`,$g="varying vec2 vUv;void main(){vUv=position.xy*0.5+0.5;gl_Position=vec4(position.xy,1.0,1.0);}",ev=class extends Ke{constructor(){super({name:"CopyMaterial",uniforms:{inputBuffer:new Ze(null),opacity:new Ze(1)},blending:Dt,toneMapped:!1,depthWrite:!1,depthTest:!1,fragmentShader:OE,vertexShader:$g})}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setInputBuffer(r){this.uniforms.inputBuffer.value=r}getOpacity(r){return this.uniforms.opacity.value}setOpacity(r){this.uniforms.opacity.value=r}},NE=class extends nn{constructor(r,e=!0){super("CopyPass");this.fullscreenMaterial=new ev,this.needsSwap=!1,this.renderTarget=r,r===void 0&&(this.renderTarget=new mt(1,1,{minFilter:xt,magFilter:xt,stencilBuffer:!1,depthBuffer:!1}),this.renderTarget.texture.name="CopyPass.Target"),this.autoResize=e}get resize(){return this.autoResize}set resize(r){this.autoResize=r}get texture(){return this.renderTarget.texture}getTexture(){return this.renderTarget.texture}setAutoResizeEnabled(r){this.autoResize=r}render(r,e,t,i,n){this.fullscreenMaterial.inputBuffer=e.texture,r.setRenderTarget(this.renderToScreen?null:this.renderTarget),r.render(this.scene,this.camera)}setSize(r,e){this.autoResize&&this.renderTarget.setSize(r,e)}initialize(r,e,t){t!==void 0&&(this.renderTarget.texture.type=t,t!==bt?this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH="1":r!==null&&r.outputColorSpace===Oe&&(this.renderTarget.texture.colorSpace=Oe))}},tv=new re,iv=class extends nn{constructor(r=!0,e=!0,t=!1){super("ClearPass",null,null);this.needsSwap=!1,this.color=r,this.depth=e,this.stencil=t,this.overrideClearColor=null,this.overrideClearAlpha=-1}setClearFlags(r,e,t){this.color=r,this.depth=e,this.stencil=t}getOverrideClearColor(){return this.overrideClearColor}setOverrideClearColor(r){this.overrideClearColor=r}getOverrideClearAlpha(){return this.overrideClearAlpha}setOverrideClearAlpha(r){this.overrideClearAlpha=r}render(r,e,t,i,n){let s=this.overrideClearColor,a=this.overrideClearAlpha,o=r.getClearAlpha(),l=s!==null,c=a>=0;l?(r.getClearColor(tv),r.setClearColor(s,c?a:o)):c&&r.setClearAlpha(a),r.setRenderTarget(this.renderToScreen?null:e),r.clear(this.color,this.depth,this.stencil),l?r.setClearColor(tv,o):c&&r.setClearAlpha(o)}},FE=class extends nn{constructor(r,e){super("MaskPass",r,e);this.needsSwap=!1,this.clearPass=new iv(!1,!1,!0),this.inverse=!1}set mainScene(r){this.scene=r}set mainCamera(r){this.camera=r}get inverted(){return this.inverse}set inverted(r){this.inverse=r}get clear(){return this.clearPass.enabled}set clear(r){this.clearPass.enabled=r}getClearPass(){return this.clearPass}isInverted(){return this.inverted}setInverted(r){this.inverted=r}render(r,e,t,i,n){let s=r.getContext(),a=r.state.buffers,o=this.scene,l=this.camera,c=this.clearPass,h=this.inverted?0:1,u=1-h;a.color.setMask(!1),a.depth.setMask(!1),a.color.setLocked(!0),a.depth.setLocked(!0),a.stencil.setTest(!0),a.stencil.setOp(s.REPLACE,s.REPLACE,s.REPLACE),a.stencil.setFunc(s.ALWAYS,h,4294967295),a.stencil.setClear(u),a.stencil.setLocked(!0),this.clearPass.enabled&&(this.renderToScreen?c.render(r,null):(c.render(r,e),c.render(r,t))),this.renderToScreen?(r.setRenderTarget(null),r.render(o,l)):(r.setRenderTarget(e),r.render(o,l),r.setRenderTarget(t),r.render(o,l)),a.color.setLocked(!1),a.depth.setLocked(!1),a.stencil.setLocked(!1),a.stencil.setFunc(s.EQUAL,1,4294967295),a.stencil.setOp(s.KEEP,s.KEEP,s.KEEP),a.stencil.setLocked(!0)}},nv=class{constructor(r=null,{depthBuffer:e=!0,stencilBuffer:t=!1,multisampling:i=0,frameBufferType:n}={}){this.renderer=null,this.inputBuffer=this.createBuffer(e,t,n,i),this.outputBuffer=this.inputBuffer.clone(),this.copyPass=new NE,this.depthTexture=null,this.passes=[],this.timer=new UE,this.autoRenderToScreen=!0,this.setRenderer(r)}get multisampling(){return this.inputBuffer.samples||0}set multisampling(r){let e=this.inputBuffer,t=this.multisampling;t>0&&r>0?(this.inputBuffer.samples=r,this.outputBuffer.samples=r,this.inputBuffer.dispose(),this.outputBuffer.dispose()):t!==r&&(this.inputBuffer.dispose(),this.outputBuffer.dispose(),this.inputBuffer=this.createBuffer(e.depthBuffer,e.stencilBuffer,e.texture.type,r),this.inputBuffer.depthTexture=this.depthTexture,this.outputBuffer=this.inputBuffer.clone())}getTimer(){return this.timer}getRenderer(){return this.renderer}setRenderer(r){if(this.renderer=r,r!==null){let e=r.getSize(new z),t=r.getContext().getContextAttributes().alpha,i=this.inputBuffer.texture.type;i===bt&&r.outputColorSpace===Oe&&(this.inputBuffer.texture.colorSpace=Oe,this.outputBuffer.texture.colorSpace=Oe,this.inputBuffer.dispose(),this.outputBuffer.dispose()),r.autoClear=!1,this.setSize(e.width,e.height);for(let n of this.passes)n.initialize(r,t,i)}}replaceRenderer(r,e=!0){let t=this.renderer,i=t.domElement.parentNode;return this.setRenderer(r),e&&i!==null&&(i.removeChild(t.domElement),i.appendChild(r.domElement)),t}createDepthTexture(){let r=this.depthTexture=new wr;return this.inputBuffer.depthTexture=r,this.inputBuffer.dispose(),this.inputBuffer.stencilBuffer?(r.format=cn,r.type=ln):r.type=Ii,r}deleteDepthTexture(){if(this.depthTexture!==null){this.depthTexture.dispose(),this.depthTexture=null,this.inputBuffer.depthTexture=null,this.inputBuffer.dispose();for(let r of this.passes)r.setDepthTexture(null)}}createBuffer(r,e,t,i){let n=this.renderer,s=n===null?new z:n.getDrawingBufferSize(new z),a={minFilter:xt,magFilter:xt,stencilBuffer:e,depthBuffer:r,type:t},o=new mt(s.width,s.height,a);return i>0&&(o.ignoreDepthForMultisampleCopy=!1,o.samples=i),t===bt&&n!==null&&n.outputColorSpace===Oe&&(o.texture.colorSpace=Oe),o.texture.name="EffectComposer.Buffer",o.texture.generateMipmaps=!1,o}setMainScene(r){for(let e of this.passes)e.mainScene=r}setMainCamera(r){for(let e of this.passes)e.mainCamera=r}addPass(r,e){let t=this.passes,i=this.renderer,n=i.getDrawingBufferSize(new z),s=i.getContext().getContextAttributes().alpha,a=this.inputBuffer.texture.type;if(r.setRenderer(i),r.setSize(n.width,n.height),r.initialize(i,s,a),this.autoRenderToScreen&&(t.length>0&&(t[t.length-1].renderToScreen=!1),r.renderToScreen&&(this.autoRenderToScreen=!1)),e!==void 0?t.splice(e,0,r):t.push(r),this.autoRenderToScreen&&(t[t.length-1].renderToScreen=!0),r.needsDepthTexture||this.depthTexture!==null)if(this.depthTexture===null){let o=this.createDepthTexture();for(r of t)r.setDepthTexture(o)}else r.setDepthTexture(this.depthTexture)}removePass(r){let e=this.passes,t=e.indexOf(r);if(t!==-1&&e.splice(t,1).length>0){if(this.depthTexture!==null){let s=(o,l)=>o||l.needsDepthTexture;e.reduce(s,!1)||(r.getDepthTexture()===this.depthTexture&&r.setDepthTexture(null),this.deleteDepthTexture())}this.autoRenderToScreen&&t===e.length&&(r.renderToScreen=!1,e.length>0&&(e[e.length-1].renderToScreen=!0))}}removeAllPasses(){let r=this.passes;this.deleteDepthTexture(),r.length>0&&(this.autoRenderToScreen&&(r[r.length-1].renderToScreen=!1),this.passes=[])}render(r){let e=this.renderer,t=this.copyPass,i=this.inputBuffer,n=this.outputBuffer,s=!1,a,o,l;r===void 0&&(this.timer.update(),r=this.timer.getDelta());for(let c of this.passes)c.enabled&&(c.render(e,i,n,r,s),c.needsSwap&&(s&&(t.renderToScreen=c.renderToScreen,a=e.getContext(),o=e.state.buffers.stencil,o.setFunc(a.NOTEQUAL,1,4294967295),t.render(e,i,n,r,s),o.setFunc(a.EQUAL,1,4294967295)),l=i,i=n,n=l),c instanceof FE?s=!0:c instanceof BE&&(s=!1))}setSize(r,e,t){let i=this.renderer,n=i.getSize(new z);(r===void 0||e===void 0)&&(r=n.width,e=n.height),(n.width!==r||n.height!==e)&&i.setSize(r,e,t);let s=i.getDrawingBufferSize(new z);this.inputBuffer.setSize(s.width,s.height),this.outputBuffer.setSize(s.width,s.height);for(let a of this.passes)a.setSize(s.width,s.height)}reset(){this.dispose(),this.autoRenderToScreen=!0}dispose(){for(let r of this.passes)r.dispose();this.passes=[],this.inputBuffer!==null&&this.inputBuffer.dispose(),this.outputBuffer!==null&&this.outputBuffer.dispose(),this.deleteDepthTexture(),this.copyPass.dispose(),this.timer.dispose(),nn.fullscreenGeometry.dispose()}},$r={NONE:0,DEPTH:1,CONVOLUTION:2},ot={FRAGMENT_HEAD:"FRAGMENT_HEAD",FRAGMENT_MAIN_UV:"FRAGMENT_MAIN_UV",FRAGMENT_MAIN_IMAGE:"FRAGMENT_MAIN_IMAGE",VERTEX_HEAD:"VERTEX_HEAD",VERTEX_MAIN_SUPPORT:"VERTEX_MAIN_SUPPORT"},HE=class{constructor(){this.shaderParts=new Map([[ot.FRAGMENT_HEAD,null],[ot.FRAGMENT_MAIN_UV,null],[ot.FRAGMENT_MAIN_IMAGE,null],[ot.VERTEX_HEAD,null],[ot.VERTEX_MAIN_SUPPORT,null]]),this.defines=new Map,this.uniforms=new Map,this.blendModes=new Map,this.extensions=new Set,this.attributes=$r.NONE,this.varyings=new Set,this.uvTransformation=!1,this.readDepth=!1,this.colorSpace=Li}};var Ef=!1,rv=class{constructor(r=null){this.originalMaterials=new Map,this.material=null,this.materials=null,this.materialsBackSide=null,this.materialsDoubleSide=null,this.materialsFlatShaded=null,this.materialsFlatShadedBackSide=null,this.materialsFlatShadedDoubleSide=null,this.setMaterial(r),this.meshCount=0,this.replaceMaterial=e=>{if(e.isMesh){let t;if(e.material.flatShading)switch(e.material.side){case Nt:t=this.materialsFlatShadedDoubleSide;break;case At:t=this.materialsFlatShadedBackSide;break;default:t=this.materialsFlatShaded;break}else switch(e.material.side){case Nt:t=this.materialsDoubleSide;break;case At:t=this.materialsBackSide;break;default:t=this.materials;break}this.originalMaterials.set(e,e.material),e.isSkinnedMesh?e.material=t[2]:e.isInstancedMesh?e.material=t[1]:e.material=t[0],++this.meshCount}}}cloneMaterial(r){if(!(r instanceof Ke))return r.clone();let e=r.uniforms,t=new Map;for(let n in e){let s=e[n].value;s.isRenderTargetTexture&&(e[n].value=null,t.set(n,s))}let i=r.clone();for(let n of t)e[n[0]].value=n[1],i.uniforms[n[0]].value=n[1];return i}setMaterial(r){if(this.disposeMaterials(),this.material=r,r!==null){let e=this.materials=[this.cloneMaterial(r),this.cloneMaterial(r),this.cloneMaterial(r)];for(let t of e)t.uniforms=Object.assign({},r.uniforms),t.side=Pi;e[2].skinning=!0,this.materialsBackSide=e.map(t=>{let i=this.cloneMaterial(t);return i.uniforms=Object.assign({},r.uniforms),i.side=At,i}),this.materialsDoubleSide=e.map(t=>{let i=this.cloneMaterial(t);return i.uniforms=Object.assign({},r.uniforms),i.side=Nt,i}),this.materialsFlatShaded=e.map(t=>{let i=this.cloneMaterial(t);return i.uniforms=Object.assign({},r.uniforms),i.flatShading=!0,i}),this.materialsFlatShadedBackSide=e.map(t=>{let i=this.cloneMaterial(t);return i.uniforms=Object.assign({},r.uniforms),i.flatShading=!0,i.side=At,i}),this.materialsFlatShadedDoubleSide=e.map(t=>{let i=this.cloneMaterial(t);return i.uniforms=Object.assign({},r.uniforms),i.flatShading=!0,i.side=Nt,i})}}render(r,e,t){let i=r.shadowMap.enabled;if(r.shadowMap.enabled=!1,Ef){let n=this.originalMaterials;this.meshCount=0,e.traverse(this.replaceMaterial),r.render(e,t);for(let s of n)s[0].material=s[1];this.meshCount!==n.size&&n.clear()}else{let n=e.overrideMaterial;e.overrideMaterial=this.material,r.render(e,t),e.overrideMaterial=n}r.shadowMap.enabled=i}disposeMaterials(){if(this.material!==null){let r=this.materials.concat(this.materialsBackSide).concat(this.materialsDoubleSide).concat(this.materialsFlatShaded).concat(this.materialsFlatShadedBackSide).concat(this.materialsFlatShadedDoubleSide);for(let e of r)e.dispose()}}dispose(){this.originalMaterials.clear(),this.disposeMaterials()}static get workaroundEnabled(){return Ef}static set workaroundEnabled(r){Ef=r}};var ar=-1,vn=class extends Wt{constructor(r,e=ar,t=ar,i=1){super();this.resizable=r,this.baseSize=new z(1,1),this.preferredSize=new z(e,t),this.target=this.preferredSize,this.s=i,this.effectiveSize=new z,this.addEventListener("change",()=>this.updateEffectiveSize()),this.updateEffectiveSize()}updateEffectiveSize(){let r=this.baseSize,e=this.preferredSize,t=this.effectiveSize,i=this.scale;e.width!==ar?t.width=e.width:e.height!==ar?t.width=Math.round(e.height*(r.width/Math.max(r.height,1))):t.width=Math.round(r.width*i),e.height!==ar?t.height=e.height:e.width!==ar?t.height=Math.round(e.width/Math.max(r.width/Math.max(r.height,1),1)):t.height=Math.round(r.height*i)}get width(){return this.effectiveSize.width}set width(r){this.preferredWidth=r}get height(){return this.effectiveSize.height}set height(r){this.preferredHeight=r}getWidth(){return this.width}getHeight(){return this.height}get scale(){return this.s}set scale(r){this.s!==r&&(this.s=r,this.preferredSize.setScalar(ar),this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getScale(){return this.scale}setScale(r){this.scale=r}get baseWidth(){return this.baseSize.width}set baseWidth(r){this.baseSize.width!==r&&(this.baseSize.width=r,this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getBaseWidth(){return this.baseWidth}setBaseWidth(r){this.baseWidth=r}get baseHeight(){return this.baseSize.height}set baseHeight(r){this.baseSize.height!==r&&(this.baseSize.height=r,this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getBaseHeight(){return this.baseHeight}setBaseHeight(r){this.baseHeight=r}setBaseSize(r,e){(this.baseSize.width!==r||this.baseSize.height!==e)&&(this.baseSize.set(r,e),this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}get preferredWidth(){return this.preferredSize.width}set preferredWidth(r){this.preferredSize.width!==r&&(this.preferredSize.width=r,this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getPreferredWidth(){return this.preferredWidth}setPreferredWidth(r){this.preferredWidth=r}get preferredHeight(){return this.preferredSize.height}set preferredHeight(r){this.preferredSize.height!==r&&(this.preferredSize.height=r,this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getPreferredHeight(){return this.preferredHeight}setPreferredHeight(r){this.preferredHeight=r}setPreferredSize(r,e){(this.preferredSize.width!==r||this.preferredSize.height!==e)&&(this.preferredSize.set(r,e),this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}copy(r){this.s=r.scale,this.baseSize.set(r.baseWidth,r.baseHeight),this.preferredSize.set(r.preferredWidth,r.preferredHeight),this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height)}static get AUTO_SIZE(){return ar}};var $e={SKIP:9,SET:30,ADD:0,ALPHA:1,AVERAGE:2,COLOR:3,COLOR_BURN:4,COLOR_DODGE:5,DARKEN:6,DIFFERENCE:7,DIVIDE:8,DST:9,EXCLUSION:10,HARD_LIGHT:11,HARD_MIX:12,HUE:13,INVERT:14,INVERT_RGB:15,LIGHTEN:16,LINEAR_BURN:17,LINEAR_DODGE:18,LINEAR_LIGHT:19,LUMINOSITY:20,MULTIPLY:21,NEGATION:22,NORMAL:23,OVERLAY:24,PIN_LIGHT:25,REFLECT:26,SATURATION:27,SCREEN:28,SOFT_LIGHT:29,SRC:30,SUBTRACT:31,VIVID_LIGHT:32},zE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x+y,opacity);}",kE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y,min(y.a,opacity));}",GE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,(x+y)*0.5,opacity);}",VE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(yHSL.rg,xHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}",WE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(step(0.0,y)*(1.0-min(vec4(1.0),(1.0-x)/y)),vec4(1.0),step(1.0,x));return mix(x,z,opacity);}",XE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=step(0.0,x)*mix(min(vec4(1.0),x/max(1.0-y,1e-9)),vec4(1.0),step(1.0,y));return mix(x,z,opacity);}",YE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,min(x,y),opacity);}",jE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,abs(x-y),opacity);}",qE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x/max(y,1e-12),opacity);}",ZE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,(x+y-2.0*x*y),opacity);}",QE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 a=min(x,1.0),b=min(y,1.0);vec4 z=mix(2.0*a*b,1.0-2.0*(1.0-a)*(1.0-b),step(0.5,y));return mix(x,z,opacity);}",KE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,step(1.0,x+y),opacity);}",JE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(yHSL.r,xHSL.gb));return vec4(mix(x.rgb,z,opacity),y.a);}",$E="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,1.0-y,opacity);}",eM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y*(1.0-x),opacity);}",tM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,max(x,y),opacity);}",iM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,clamp(y+x-1.0,0.0,1.0),opacity);}",nM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,min(x+y,1.0),opacity);}",rM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,clamp(2.0*y+x-1.0,0.0,1.0),opacity);}",sM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(xHSL.rg,yHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}",aM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x*y,opacity);}",oM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,1.0-abs(1.0-x-y),opacity);}",lM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y,opacity);}",cM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(2.0*y*x,1.0-2.0*(1.0-y)*(1.0-x),step(0.5,x));return mix(x,z,opacity);}",hM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 y2=2.0*y;vec4 z=mix(mix(y2,x,step(0.5*x,y)),max(vec4(0.0),y2-1.0),step(x,(y2-1.0)));return mix(x,z,opacity);}",uM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(min(x*x/max(1.0-y,1e-12),1.0),y,step(1.0,y));return mix(x,z,opacity);}",dM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(xHSL.r,yHSL.g,xHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}",fM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x+y-min(x*y,1.0),opacity);}",pM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 y2=2.0*y;vec4 w=step(0.5,y);vec4 z=mix(x-(1.0-y2)*x*(1.0-x),mix(x+(y2-1.0)*(sqrt(x)-x),x+(y2-1.0)*x*((16.0*x-12.0)*x+3.0),w*(1.0-step(0.25,x))),w);return mix(x,z,opacity);}",mM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return y;}",gM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,max(x+y-1.0,0.0),opacity);}",vM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(max(1.0-min((1.0-x)/(2.0*y),1.0),0.0),min(x/(2.0*(1.0-y)),1.0),step(0.5,y));return mix(x,z,opacity);}",xM=new Map([[$e.ADD,zE],[$e.ALPHA,kE],[$e.AVERAGE,GE],[$e.COLOR,VE],[$e.COLOR_BURN,WE],[$e.COLOR_DODGE,XE],[$e.DARKEN,YE],[$e.DIFFERENCE,jE],[$e.DIVIDE,qE],[$e.DST,null],[$e.EXCLUSION,ZE],[$e.HARD_LIGHT,QE],[$e.HARD_MIX,KE],[$e.HUE,JE],[$e.INVERT,$E],[$e.INVERT_RGB,eM],[$e.LIGHTEN,tM],[$e.LINEAR_BURN,iM],[$e.LINEAR_DODGE,nM],[$e.LINEAR_LIGHT,rM],[$e.LUMINOSITY,sM],[$e.MULTIPLY,aM],[$e.NEGATION,oM],[$e.NORMAL,lM],[$e.OVERLAY,cM],[$e.PIN_LIGHT,hM],[$e.REFLECT,uM],[$e.SATURATION,dM],[$e.SCREEN,fM],[$e.SOFT_LIGHT,pM],[$e.SRC,mM],[$e.SUBTRACT,gM],[$e.VIVID_LIGHT,vM]]),_M=class extends Wt{constructor(r,e=1){super();this._blendFunction=r,this.opacity=new Ze(e)}getOpacity(){return this.opacity.value}setOpacity(r){this.opacity.value=r}get blendFunction(){return this._blendFunction}set blendFunction(r){this._blendFunction=r,this.dispatchEvent({type:"change"})}getBlendFunction(){return this.blendFunction}setBlendFunction(r){this.blendFunction=r}getShaderCode(){return xM.get(this.blendFunction)}},Mf={VERY_SMALL:0,SMALL:1,MEDIUM:2,LARGE:3,VERY_LARGE:4,HUGE:5},yM=`#ifdef FRAMEBUFFER_PRECISION_HIGH uniform mediump sampler2D inputBuffer; #else uniform lowp sampler2D inputBuffer; #endif varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec4 sum=texture2D(inputBuffer,vUv0);sum+=texture2D(inputBuffer,vUv1);sum+=texture2D(inputBuffer,vUv2);sum+=texture2D(inputBuffer,vUv3);gl_FragColor=sum*0.25; -#include -}`,Hb="uniform vec4 texelSize;uniform float kernel;uniform float scale;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 uv=position.xy*0.5+0.5;vec2 dUv=(texelSize.xy*vec2(kernel)+texelSize.zw)*scale;vUv0=vec2(uv.x-dUv.x,uv.y+dUv.y);vUv1=vec2(uv.x+dUv.x,uv.y+dUv.y);vUv2=vec2(uv.x+dUv.x,uv.y-dUv.y);vUv3=vec2(uv.x-dUv.x,uv.y-dUv.y);gl_Position=vec4(position.xy,1.0,1.0);}",zb=[new Float32Array([0,0]),new Float32Array([0,1,1]),new Float32Array([0,1,1,2]),new Float32Array([0,1,2,2,3]),new Float32Array([0,1,2,3,4,4,5]),new Float32Array([0,1,2,3,4,5,7,8,9,10])],Gb=class extends Ye{constructor(r=new Ve){super({name:"KawaseBlurMaterial",uniforms:{inputBuffer:new De(null),texelSize:new De(new Ve),scale:new De(1),kernel:new De(0)},blending:xt,depthWrite:!1,depthTest:!1,fragmentShader:Nb,vertexShader:Hb});this.toneMapped=!1,this.setTexelSize(r.x,r.y),this.kernelSize=fu.MEDIUM}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setInputBuffer(r){this.inputBuffer=r}get kernelSequence(){return zb[this.kernelSize]}get scale(){return this.uniforms.scale.value}set scale(r){this.uniforms.scale.value=r}getScale(){return this.uniforms.scale.value}setScale(r){this.uniforms.scale.value=r}getKernel(){return null}get kernel(){return this.uniforms.kernel.value}set kernel(r){this.uniforms.kernel.value=r}setKernel(r){this.kernel=r}setTexelSize(r,e){this.uniforms.texelSize.value.set(r,e,r*.5,e*.5)}setSize(r,e){let t=1/r,n=1/e;this.uniforms.texelSize.value.set(t,n,t*.5,n*.5)}},kb=`#include -#include +#include +}`,AM="uniform vec4 texelSize;uniform float kernel;uniform float scale;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 uv=position.xy*0.5+0.5;vec2 dUv=(texelSize.xy*vec2(kernel)+texelSize.zw)*scale;vUv0=vec2(uv.x-dUv.x,uv.y+dUv.y);vUv1=vec2(uv.x+dUv.x,uv.y+dUv.y);vUv2=vec2(uv.x+dUv.x,uv.y-dUv.y);vUv3=vec2(uv.x-dUv.x,uv.y-dUv.y);gl_Position=vec4(position.xy,1.0,1.0);}",SM=[new Float32Array([0,0]),new Float32Array([0,1,1]),new Float32Array([0,1,1,2]),new Float32Array([0,1,2,2,3]),new Float32Array([0,1,2,3,4,4,5]),new Float32Array([0,1,2,3,4,5,7,8,9,10])],EM=class extends Ke{constructor(r=new Qe){super({name:"KawaseBlurMaterial",uniforms:{inputBuffer:new Ze(null),texelSize:new Ze(new Qe),scale:new Ze(1),kernel:new Ze(0)},blending:Dt,toneMapped:!1,depthWrite:!1,depthTest:!1,fragmentShader:yM,vertexShader:AM});this.setTexelSize(r.x,r.y),this.kernelSize=Mf.MEDIUM}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setInputBuffer(r){this.inputBuffer=r}get kernelSequence(){return SM[this.kernelSize]}get scale(){return this.uniforms.scale.value}set scale(r){this.uniforms.scale.value=r}getScale(){return this.uniforms.scale.value}setScale(r){this.uniforms.scale.value=r}getKernel(){return null}get kernel(){return this.uniforms.kernel.value}set kernel(r){this.uniforms.kernel.value=r}setKernel(r){this.kernel=r}setTexelSize(r,e){this.uniforms.texelSize.value.set(r,e,r*.5,e*.5)}setSize(r,e){let t=1/r,i=1/e;this.uniforms.texelSize.value.set(t,i,t*.5,i*.5)}},MM=class extends nn{constructor({kernelSize:r=Mf.MEDIUM,resolutionScale:e=.5,width:t=vn.AUTO_SIZE,height:i=vn.AUTO_SIZE,resolutionX:n=t,resolutionY:s=i}={}){super("KawaseBlurPass");this.renderTargetA=new mt(1,1,{depthBuffer:!1}),this.renderTargetA.texture.name="Blur.Target.A",this.renderTargetB=this.renderTargetA.clone(),this.renderTargetB.texture.name="Blur.Target.B";let a=this.resolution=new vn(this,n,s,e);a.addEventListener("change",o=>this.setSize(a.baseWidth,a.baseHeight)),this._blurMaterial=new EM,this._blurMaterial.kernelSize=r,this.copyMaterial=new ev}getResolution(){return this.resolution}get blurMaterial(){return this._blurMaterial}set blurMaterial(r){this._blurMaterial=r}get dithering(){return this.copyMaterial.dithering}set dithering(r){this.copyMaterial.dithering=r}get kernelSize(){return this.blurMaterial.kernelSize}set kernelSize(r){this.blurMaterial.kernelSize=r}get width(){return this.resolution.width}set width(r){this.resolution.preferredWidth=r}get height(){return this.resolution.height}set height(r){this.resolution.preferredHeight=r}get scale(){return this.blurMaterial.scale}set scale(r){this.blurMaterial.scale=r}getScale(){return this.blurMaterial.scale}setScale(r){this.blurMaterial.scale=r}getKernelSize(){return this.kernelSize}setKernelSize(r){this.kernelSize=r}getResolutionScale(){return this.resolution.scale}setResolutionScale(r){this.resolution.scale=r}render(r,e,t,i,n){let s=this.scene,a=this.camera,o=this.renderTargetA,l=this.renderTargetB,c=this.blurMaterial,h=c.kernelSequence,u=e;this.fullscreenMaterial=c;for(let d=0,f=h.length;d #ifdef FRAMEBUFFER_PRECISION_HIGH uniform mediump sampler2D inputBuffer; #else uniform lowp sampler2D inputBuffer; #endif -uniform float opacity;varying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);gl_FragColor=opacity*texel; -#include -#include -}`,zp=class extends Ye{constructor(){super({name:"CopyMaterial",uniforms:{inputBuffer:new De(null),opacity:new De(1)},blending:xt,depthWrite:!1,depthTest:!1,fragmentShader:kb,vertexShader:Hp});this.toneMapped=!1}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setInputBuffer(r){this.uniforms.inputBuffer.value=r}getOpacity(r){return this.uniforms.opacity.value}setOpacity(r){this.uniforms.opacity.value=r}};var Vb=`#ifdef FRAMEBUFFER_PRECISION_HIGH +#ifdef RANGE +uniform vec2 range; +#elif defined(THRESHOLD) +uniform float threshold;uniform float smoothing; +#endif +varying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);float l=luminance(texel.rgb); +#ifdef RANGE +float low=step(range.x,l);float high=step(l,range.y);l*=low*high; +#elif defined(THRESHOLD) +l=smoothstep(threshold,threshold+smoothing,l)*l; +#endif +#ifdef COLOR +gl_FragColor=vec4(texel.rgb*clamp(l,0.0,1.0),l); +#else +gl_FragColor=vec4(l); +#endif +}`,TM=class extends Ke{constructor(r=!1,e=null){super({name:"LuminanceMaterial",defines:{THREE_REVISION:Yi.replace(/\D+/g,"")},uniforms:{inputBuffer:new Ze(null),threshold:new Ze(0),smoothing:new Ze(1),range:new Ze(null)},blending:Dt,toneMapped:!1,depthWrite:!1,depthTest:!1,fragmentShader:bM,vertexShader:$g});this.colorOutput=r,this.luminanceRange=e}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setInputBuffer(r){this.uniforms.inputBuffer.value=r}get threshold(){return this.uniforms.threshold.value}set threshold(r){this.smoothing>0||r>0?this.defines.THRESHOLD="1":delete this.defines.THRESHOLD,this.uniforms.threshold.value=r}getThreshold(){return this.threshold}setThreshold(r){this.threshold=r}get smoothing(){return this.uniforms.smoothing.value}set smoothing(r){this.threshold>0||r>0?this.defines.THRESHOLD="1":delete this.defines.THRESHOLD,this.uniforms.smoothing.value=r}getSmoothingFactor(){return this.smoothing}setSmoothingFactor(r){this.smoothing=r}get useThreshold(){return this.threshold>0||this.smoothing>0}set useThreshold(r){}get colorOutput(){return this.defines.COLOR!==void 0}set colorOutput(r){r?this.defines.COLOR="1":delete this.defines.COLOR,this.needsUpdate=!0}isColorOutputEnabled(r){return this.colorOutput}setColorOutputEnabled(r){this.colorOutput=r}get useRange(){return this.luminanceRange!==null}set useRange(r){this.luminanceRange=null}get luminanceRange(){return this.uniforms.range.value}set luminanceRange(r){r!==null?this.defines.RANGE="1":delete this.defines.RANGE,this.uniforms.range.value=r,this.needsUpdate=!0}getLuminanceRange(){return this.luminanceRange}setLuminanceRange(r){this.luminanceRange=r}},wM=class extends nn{constructor({renderTarget:r,luminanceRange:e,colorOutput:t,resolutionScale:i=1,width:n=vn.AUTO_SIZE,height:s=vn.AUTO_SIZE,resolutionX:a=n,resolutionY:o=s}={}){super("LuminancePass");this.fullscreenMaterial=new TM(t,e),this.needsSwap=!1,this.renderTarget=r,this.renderTarget===void 0&&(this.renderTarget=new mt(1,1,{depthBuffer:!1}),this.renderTarget.texture.name="LuminancePass.Target");let l=this.resolution=new vn(this,a,o,i);l.addEventListener("change",c=>this.setSize(l.baseWidth,l.baseHeight))}get texture(){return this.renderTarget.texture}getTexture(){return this.renderTarget.texture}getResolution(){return this.resolution}render(r,e,t,i,n){let s=this.fullscreenMaterial;s.inputBuffer=e.texture,r.setRenderTarget(this.renderToScreen?null:this.renderTarget),r.render(this.scene,this.camera)}setSize(r,e){let t=this.resolution;t.setBaseSize(r,e),this.renderTarget.setSize(t.width,t.height)}initialize(r,e,t){t!==void 0&&t!==bt&&(this.renderTarget.texture.type=t,this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH="1")}},CM=`#ifdef FRAMEBUFFER_PRECISION_HIGH uniform mediump sampler2D inputBuffer; #else uniform lowp sampler2D inputBuffer; @@ -3153,8 +3863,20 @@ uniform lowp sampler2D inputBuffer; #define WEIGHT_INNER 0.125 #define WEIGHT_OUTER 0.0555555 varying vec2 vUv;varying vec2 vUv00;varying vec2 vUv01;varying vec2 vUv02;varying vec2 vUv03;varying vec2 vUv04;varying vec2 vUv05;varying vec2 vUv06;varying vec2 vUv07;varying vec2 vUv08;varying vec2 vUv09;varying vec2 vUv10;varying vec2 vUv11;float clampToBorder(const in vec2 uv){return float(uv.s>=0.0&&uv.s<=1.0&&uv.t>=0.0&&uv.t<=1.0);}void main(){vec4 c=vec4(0.0);vec4 w=WEIGHT_INNER*vec4(clampToBorder(vUv00),clampToBorder(vUv01),clampToBorder(vUv02),clampToBorder(vUv03));c+=w.x*texture2D(inputBuffer,vUv00);c+=w.y*texture2D(inputBuffer,vUv01);c+=w.z*texture2D(inputBuffer,vUv02);c+=w.w*texture2D(inputBuffer,vUv03);w=WEIGHT_OUTER*vec4(clampToBorder(vUv04),clampToBorder(vUv05),clampToBorder(vUv06),clampToBorder(vUv07));c+=w.x*texture2D(inputBuffer,vUv04);c+=w.y*texture2D(inputBuffer,vUv05);c+=w.z*texture2D(inputBuffer,vUv06);c+=w.w*texture2D(inputBuffer,vUv07);w=WEIGHT_OUTER*vec4(clampToBorder(vUv08),clampToBorder(vUv09),clampToBorder(vUv10),clampToBorder(vUv11));c+=w.x*texture2D(inputBuffer,vUv08);c+=w.y*texture2D(inputBuffer,vUv09);c+=w.z*texture2D(inputBuffer,vUv10);c+=w.w*texture2D(inputBuffer,vUv11);c+=WEIGHT_OUTER*texture2D(inputBuffer,vUv);gl_FragColor=c; -#include -}`,Wb="uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv00;varying vec2 vUv01;varying vec2 vUv02;varying vec2 vUv03;varying vec2 vUv04;varying vec2 vUv05;varying vec2 vUv06;varying vec2 vUv07;varying vec2 vUv08;varying vec2 vUv09;varying vec2 vUv10;varying vec2 vUv11;void main(){vUv=position.xy*0.5+0.5;vUv00=vUv+texelSize*vec2(-1.0,1.0);vUv01=vUv+texelSize*vec2(1.0,1.0);vUv02=vUv+texelSize*vec2(-1.0,-1.0);vUv03=vUv+texelSize*vec2(1.0,-1.0);vUv04=vUv+texelSize*vec2(-2.0,2.0);vUv05=vUv+texelSize*vec2(0.0,2.0);vUv06=vUv+texelSize*vec2(2.0,2.0);vUv07=vUv+texelSize*vec2(-2.0,0.0);vUv08=vUv+texelSize*vec2(2.0,0.0);vUv09=vUv+texelSize*vec2(-2.0,-2.0);vUv10=vUv+texelSize*vec2(0.0,-2.0);vUv11=vUv+texelSize*vec2(2.0,-2.0);gl_Position=vec4(position.xy,1.0,1.0);}",Yb=class extends Ye{constructor(){super({name:"DownsamplingMaterial",uniforms:{inputBuffer:new De(null),texelSize:new De(new O)},blending:xt,depthWrite:!1,depthTest:!1,fragmentShader:Vb,vertexShader:Wb});this.toneMapped=!1}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setSize(r,e){this.uniforms.texelSize.value.set(1/r,1/e)}};var jb=`#include +#include +}`,RM="uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv00;varying vec2 vUv01;varying vec2 vUv02;varying vec2 vUv03;varying vec2 vUv04;varying vec2 vUv05;varying vec2 vUv06;varying vec2 vUv07;varying vec2 vUv08;varying vec2 vUv09;varying vec2 vUv10;varying vec2 vUv11;void main(){vUv=position.xy*0.5+0.5;vUv00=vUv+texelSize*vec2(-1.0,1.0);vUv01=vUv+texelSize*vec2(1.0,1.0);vUv02=vUv+texelSize*vec2(-1.0,-1.0);vUv03=vUv+texelSize*vec2(1.0,-1.0);vUv04=vUv+texelSize*vec2(-2.0,2.0);vUv05=vUv+texelSize*vec2(0.0,2.0);vUv06=vUv+texelSize*vec2(2.0,2.0);vUv07=vUv+texelSize*vec2(-2.0,0.0);vUv08=vUv+texelSize*vec2(2.0,0.0);vUv09=vUv+texelSize*vec2(-2.0,-2.0);vUv10=vUv+texelSize*vec2(0.0,-2.0);vUv11=vUv+texelSize*vec2(2.0,-2.0);gl_Position=vec4(position.xy,1.0,1.0);}",DM=class extends Ke{constructor(){super({name:"DownsamplingMaterial",uniforms:{inputBuffer:new Ze(null),texelSize:new Ze(new z)},blending:Dt,toneMapped:!1,depthWrite:!1,depthTest:!1,fragmentShader:CM,vertexShader:RM})}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setSize(r,e){this.uniforms.texelSize.value.set(1/r,1/e)}},PM=`#ifdef FRAMEBUFFER_PRECISION_HIGH +uniform mediump sampler2D inputBuffer;uniform mediump sampler2D supportBuffer; +#else +uniform lowp sampler2D inputBuffer;uniform lowp sampler2D supportBuffer; +#endif +uniform float radius;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;varying vec2 vUv6;varying vec2 vUv7;void main(){vec4 c=vec4(0.0);c+=texture2D(inputBuffer,vUv0)*0.0625;c+=texture2D(inputBuffer,vUv1)*0.125;c+=texture2D(inputBuffer,vUv2)*0.0625;c+=texture2D(inputBuffer,vUv3)*0.125;c+=texture2D(inputBuffer,vUv)*0.25;c+=texture2D(inputBuffer,vUv4)*0.125;c+=texture2D(inputBuffer,vUv5)*0.0625;c+=texture2D(inputBuffer,vUv6)*0.125;c+=texture2D(inputBuffer,vUv7)*0.0625;vec4 baseColor=texture2D(supportBuffer,vUv);gl_FragColor=mix(baseColor,c,radius); +#include +}`,IM="uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;varying vec2 vUv6;varying vec2 vUv7;void main(){vUv=position.xy*0.5+0.5;vUv0=vUv+texelSize*vec2(-1.0,1.0);vUv1=vUv+texelSize*vec2(0.0,1.0);vUv2=vUv+texelSize*vec2(1.0,1.0);vUv3=vUv+texelSize*vec2(-1.0,0.0);vUv4=vUv+texelSize*vec2(1.0,0.0);vUv5=vUv+texelSize*vec2(-1.0,-1.0);vUv6=vUv+texelSize*vec2(0.0,-1.0);vUv7=vUv+texelSize*vec2(1.0,-1.0);gl_Position=vec4(position.xy,1.0,1.0);}",UM=class extends Ke{constructor(){super({name:"UpsamplingMaterial",uniforms:{inputBuffer:new Ze(null),supportBuffer:new Ze(null),texelSize:new Ze(new z),radius:new Ze(.85)},blending:Dt,toneMapped:!1,depthWrite:!1,depthTest:!1,fragmentShader:PM,vertexShader:IM})}set inputBuffer(r){this.uniforms.inputBuffer.value=r}set supportBuffer(r){this.uniforms.supportBuffer.value=r}get radius(){return this.uniforms.radius.value}set radius(r){this.uniforms.radius.value=r}setSize(r,e){this.uniforms.texelSize.value.set(1/r,1/e)}},LM=class extends nn{constructor(){super("MipmapBlurPass");this.needsSwap=!1,this.renderTarget=new mt(1,1,{depthBuffer:!1}),this.renderTarget.texture.name="Upsampling.Mipmap0",this.downsamplingMipmaps=[],this.upsamplingMipmaps=[],this.downsamplingMaterial=new DM,this.upsamplingMaterial=new UM,this.resolution=new z}get texture(){return this.renderTarget.texture}get levels(){return this.downsamplingMipmaps.length}set levels(r){if(this.levels!==r){let e=this.renderTarget;this.dispose(),this.downsamplingMipmaps=[],this.upsamplingMipmaps=[];for(let t=0;t=0;--d){let f=h[d];l.setSize(u.width,u.height),l.inputBuffer=u.texture,l.supportBuffer=c[d].texture,r.setRenderTarget(f),r.render(s,a),u=f}}setSize(r,e){let t=this.resolution;t.set(r,e);let i=t.width,n=t.height;for(let s=0,a=this.downsamplingMipmaps.length;sthis.setChanged()),this._inputColorSpace=Li,this._outputColorSpace=di}get inputColorSpace(){return this._inputColorSpace}set inputColorSpace(r){this._inputColorSpace=r,this.setChanged()}get outputColorSpace(){return this._outputColorSpace}set outputColorSpace(r){this._outputColorSpace=r,this.setChanged()}set mainScene(r){}set mainCamera(r){}getName(){return this.name}setRenderer(r){this.renderer=r}getDefines(){return this.defines}getUniforms(){return this.uniforms}getExtensions(){return this.extensions}getBlendMode(){return this.blendMode}getAttributes(){return this.attributes}setAttributes(r){this.attributes=r,this.setChanged()}getFragmentShader(){return this.fragmentShader}setFragmentShader(r){this.fragmentShader=r,this.setChanged()}getVertexShader(){return this.vertexShader}setVertexShader(r){this.vertexShader=r,this.setChanged()}setChanged(){this.dispatchEvent({type:"change"})}setDepthTexture(r,e=Ui){}update(r,e,t){}setSize(r,e){}initialize(r,e,t){}dispose(){for(let r of Object.keys(this)){let e=this[r];(e instanceof mt||e instanceof St||e instanceof pt||e instanceof nn)&&this[r].dispose()}}},OM=`#ifdef FRAMEBUFFER_PRECISION_HIGH +uniform mediump sampler2D map; +#else +uniform lowp sampler2D map; +#endif +uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec4 texel=texture2D(map,uv);outputColor=vec4(texel.rgb*intensity,texel.a);}`,sv=class extends BM{constructor({blendFunction:r=$e.SCREEN,luminanceThreshold:e=.9,luminanceSmoothing:t=.025,mipmapBlur:i=!1,intensity:n=1,radius:s=.85,levels:a=8,kernelSize:o=Mf.LARGE,resolutionScale:l=.5,width:c=vn.AUTO_SIZE,height:h=vn.AUTO_SIZE,resolutionX:u=c,resolutionY:d=h}={}){super("BloomEffect",OM,{blendFunction:r,uniforms:new Map([["map",new Ze(null)],["intensity",new Ze(n)]])});this.renderTarget=new mt(1,1,{depthBuffer:!1}),this.renderTarget.texture.name="Bloom.Target",this.blurPass=new MM({kernelSize:o}),this.luminancePass=new wM({colorOutput:!0}),this.luminanceMaterial.threshold=e,this.luminanceMaterial.smoothing=t,this.mipmapBlurPass=new LM,this.mipmapBlurPass.enabled=i,this.mipmapBlurPass.radius=s,this.mipmapBlurPass.levels=a,this.uniforms.get("map").value=i?this.mipmapBlurPass.texture:this.renderTarget.texture;let f=this.resolution=new vn(this,u,d,l);f.addEventListener("change",m=>this.setSize(f.baseWidth,f.baseHeight))}get texture(){return this.mipmapBlurPass.enabled?this.mipmapBlurPass.texture:this.renderTarget.texture}getTexture(){return this.texture}getResolution(){return this.resolution}getBlurPass(){return this.blurPass}getLuminancePass(){return this.luminancePass}get luminanceMaterial(){return this.luminancePass.fullscreenMaterial}getLuminanceMaterial(){return this.luminancePass.fullscreenMaterial}get width(){return this.resolution.width}set width(r){this.resolution.preferredWidth=r}get height(){return this.resolution.height}set height(r){this.resolution.preferredHeight=r}get dithering(){return this.blurPass.dithering}set dithering(r){this.blurPass.dithering=r}get kernelSize(){return this.blurPass.kernelSize}set kernelSize(r){this.blurPass.kernelSize=r}get distinction(){return console.warn(this.name,"distinction was removed"),1}set distinction(r){console.warn(this.name,"distinction was removed")}get intensity(){return this.uniforms.get("intensity").value}set intensity(r){this.uniforms.get("intensity").value=r}getIntensity(){return this.intensity}setIntensity(r){this.intensity=r}getResolutionScale(){return this.resolution.scale}setResolutionScale(r){this.resolution.scale=r}update(r,e,t){let i=this.renderTarget,n=this.luminancePass;n.enabled?(n.render(r,e),this.mipmapBlurPass.enabled?this.mipmapBlurPass.render(r,n.renderTarget):this.blurPass.render(r,n.renderTarget,i)):this.mipmapBlurPass.enabled?this.mipmapBlurPass.render(r,e):this.blurPass.render(r,e,i)}setSize(r,e){let t=this.resolution;t.setBaseSize(r,e),this.renderTarget.setSize(t.width,t.height),this.blurPass.resolution.copy(t),this.luminancePass.setSize(r,e),this.mipmapBlurPass.setSize(r,e)}initialize(r,e,t){this.blurPass.initialize(r,e,t),this.luminancePass.initialize(r,e,t),this.mipmapBlurPass.initialize(r,e,t),t!==void 0&&(this.renderTarget.texture.type=t,r!==null&&r.outputColorSpace===Oe&&(this.renderTarget.texture.colorSpace=Oe))}};var av=class extends nn{constructor(r,e,t=null){super("RenderPass",r,e);this.needsSwap=!1,this.clearPass=new iv,this.overrideMaterialManager=t===null?null:new rv(t),this.ignoreBackground=!1,this.skipShadowMapUpdate=!1,this.selection=null}set mainScene(r){this.scene=r}set mainCamera(r){this.camera=r}get renderToScreen(){return super.renderToScreen}set renderToScreen(r){super.renderToScreen=r,this.clearPass.renderToScreen=r}get overrideMaterial(){let r=this.overrideMaterialManager;return r!==null?r.material:null}set overrideMaterial(r){let e=this.overrideMaterialManager;r!==null?e!==null?e.setMaterial(r):this.overrideMaterialManager=new rv(r):e!==null&&(e.dispose(),this.overrideMaterialManager=null)}getOverrideMaterial(){return this.overrideMaterial}setOverrideMaterial(r){this.overrideMaterial=r}get clear(){return this.clearPass.enabled}set clear(r){this.clearPass.enabled=r}getSelection(){return this.selection}setSelection(r){this.selection=r}isBackgroundDisabled(){return this.ignoreBackground}setBackgroundDisabled(r){this.ignoreBackground=r}isShadowMapDisabled(){return this.skipShadowMapUpdate}setShadowMapDisabled(r){this.skipShadowMapUpdate=r}getClearPass(){return this.clearPass}render(r,e,t,i,n){let s=this.scene,a=this.camera,o=this.selection,l=a.layers.mask,c=s.background,h=r.shadowMap.autoUpdate,u=this.renderToScreen?null:e;o!==null&&a.layers.set(o.getLayer()),this.skipShadowMapUpdate&&(r.shadowMap.autoUpdate=!1),(this.ignoreBackground||this.clearPass.overrideClearColor!==null)&&(s.background=null),this.clearPass.enabled&&this.clearPass.render(r,e),r.setRenderTarget(u),this.overrideMaterialManager!==null?this.overrideMaterialManager.render(r,s,a):r.render(s,a),a.layers.mask=l,s.background=c,r.shadowMap.autoUpdate=h}};var $b=Math.PI*.5;var NM=`#include #include #include #define packFloatToRGBA(v) packDepthToRGBA(v) @@ -3171,14 +3893,7 @@ uniform highp sampler2D depthBuffer; #else uniform mediump sampler2D depthBuffer; #endif -uniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv; -#if THREE_REVISION < 143 -#define luminance(v) linearToRelativeLuminance(v) -#endif -#if THREE_REVISION >= 137 -vec4 sRGBToLinear(const in vec4 value){return vec4(mix(pow(value.rgb*0.9478672986+vec3(0.0521327014),vec3(2.4)),value.rgb*0.0773993808,vec3(lessThanEqual(value.rgb,vec3(0.04045)))),value.a);} -#endif -float readDepth(const in vec2 uv){ +uniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv;vec4 sRGBToLinear(const in vec4 value){return vec4(mix(pow(value.rgb*0.9478672986+vec3(0.0521327014),vec3(2.4)),value.rgb*0.0773993808,vec3(lessThanEqual(value.rgb,vec3(0.04045)))),value.a);}float readDepth(const in vec2 uv){ #if DEPTH_PACKING == 3201 return unpackRGBAToDepth(texture2D(depthBuffer,uv)); #else @@ -3190,113 +3905,58 @@ return perspectiveDepthToViewZ(depth,cameraNear,cameraFar); #else return orthographicDepthToViewZ(depth,cameraNear,cameraFar); #endif -}vec3 RGBToHCV(const in vec3 RGB){vec4 P=mix(vec4(RGB.bg,-1.0,2.0/3.0),vec4(RGB.gb,0.0,-1.0/3.0),step(RGB.b,RGB.g));vec4 Q=mix(vec4(P.xyw,RGB.r),vec4(RGB.r,P.yzx),step(P.x,RGB.r));float C=Q.x-min(Q.w,Q.y);float H=abs((Q.w-Q.y)/(6.0*C+EPSILON)+Q.z);return vec3(H,C,Q.x);}vec3 RGBToHSL(const in vec3 RGB){vec3 HCV=RGBToHCV(RGB);float L=HCV.z-HCV.y*0.5;float S=HCV.y/(1.0-abs(L*2.0-1.0)+EPSILON);return vec3(HCV.x,S,L);}vec3 HueToRGB(const in float H){float R=abs(H*6.0-3.0)-1.0;float G=2.0-abs(H*6.0-2.0);float B=2.0-abs(H*6.0-4.0);return clamp(vec3(R,G,B),0.0,1.0);}vec3 HSLToRGB(const in vec3 HSL){vec3 RGB=HueToRGB(HSL.x);float C=(1.0-abs(2.0*HSL.z-1.0))*HSL.y;return(RGB-0.5)*C+HSL.z;}FRAGMENT_HEADvoid main(){FRAGMENT_MAIN_UVvec4 color0=texture2D(inputBuffer,UV);vec4 color1=vec4(0.0);FRAGMENT_MAIN_IMAGEgl_FragColor=color0; +}vec3 RGBToHCV(const in vec3 RGB){vec4 P=mix(vec4(RGB.bg,-1.0,2.0/3.0),vec4(RGB.gb,0.0,-1.0/3.0),step(RGB.b,RGB.g));vec4 Q=mix(vec4(P.xyw,RGB.r),vec4(RGB.r,P.yzx),step(P.x,RGB.r));float C=Q.x-min(Q.w,Q.y);float H=abs((Q.w-Q.y)/(6.0*C+EPSILON)+Q.z);return vec3(H,C,Q.x);}vec3 RGBToHSL(const in vec3 RGB){vec3 HCV=RGBToHCV(RGB);float L=HCV.z-HCV.y*0.5;float S=HCV.y/(1.0-abs(L*2.0-1.0)+EPSILON);return vec3(HCV.x,S,L);}vec3 HueToRGB(const in float H){float R=abs(H*6.0-3.0)-1.0;float G=2.0-abs(H*6.0-2.0);float B=2.0-abs(H*6.0-4.0);return clamp(vec3(R,G,B),0.0,1.0);}vec3 HSLToRGB(const in vec3 HSL){vec3 RGB=HueToRGB(HSL.x);float C=(1.0-abs(2.0*HSL.z-1.0))*HSL.y;return(RGB-0.5)*C+HSL.z;}FRAGMENT_HEAD void main(){FRAGMENT_MAIN_UV vec4 color0=texture2D(inputBuffer,UV);vec4 color1=vec4(0.0);FRAGMENT_MAIN_IMAGE color0.a=clamp(color0.a,0.0,1.0);gl_FragColor=color0; #ifdef ENCODE_OUTPUT -#include +#include #endif #include -}`,Xb="uniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv;VERTEX_HEADvoid main(){vUv=position.xy*0.5+0.5;VERTEX_MAIN_SUPPORTgl_Position=vec4(position.xy,1.0,1.0);}",Qb=class extends Ye{constructor(r,e,t,n,i=!1){super({name:"EffectMaterial",defines:{THREE_REVISION:bn.replace(/\D+/g,""),DEPTH_PACKING:"0",ENCODE_OUTPUT:"1"},uniforms:{inputBuffer:new De(null),depthBuffer:new De(null),resolution:new De(new O),texelSize:new De(new O),cameraNear:new De(.3),cameraFar:new De(1e3),aspect:new De(1),time:new De(0)},blending:xt,depthWrite:!1,depthTest:!1,dithering:i});this.toneMapped=!1,r&&this.setShaderParts(r),e&&this.setDefines(e),t&&this.setUniforms(t),this.copyCameraSettings(n)}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setInputBuffer(r){this.uniforms.inputBuffer.value=r}get depthBuffer(){return this.uniforms.depthBuffer.value}set depthBuffer(r){this.uniforms.depthBuffer.value=r}get depthPacking(){return Number(this.defines.DEPTH_PACKING)}set depthPacking(r){this.defines.DEPTH_PACKING=r.toFixed(0),this.needsUpdate=!0}setDepthBuffer(r,e=on){this.depthBuffer=r,this.depthPacking=e}setShaderData(r){this.setShaderParts(r.shaderParts),this.setDefines(r.defines),this.setUniforms(r.uniforms),this.setExtensions(r.extensions)}setShaderParts(r){var e,t,n,i,s;return this.fragmentShader=jb.replace(je.FRAGMENT_HEAD,(e=r.get(je.FRAGMENT_HEAD))!=null?e:"").replace(je.FRAGMENT_MAIN_UV,(t=r.get(je.FRAGMENT_MAIN_UV))!=null?t:"").replace(je.FRAGMENT_MAIN_IMAGE,(n=r.get(je.FRAGMENT_MAIN_IMAGE))!=null?n:""),this.vertexShader=Xb.replace(je.VERTEX_HEAD,(i=r.get(je.VERTEX_HEAD))!=null?i:"").replace(je.VERTEX_MAIN_SUPPORT,(s=r.get(je.VERTEX_MAIN_SUPPORT))!=null?s:""),this.needsUpdate=!0,this}setDefines(r){for(let e of r.entries())this.defines[e[0]]=e[1];return this.needsUpdate=!0,this}setUniforms(r){for(let e of r.entries())this.uniforms[e[0]]=e[1];return this}setExtensions(r){this.extensions={};for(let e of r)this.extensions[e]=!0;return this}get encodeOutput(){return this.defines.ENCODE_OUTPUT!==void 0}set encodeOutput(r){this.encodeOutput!==r&&(r?this.defines.ENCODE_OUTPUT="1":delete this.defines.ENCODE_OUTPUT,this.needsUpdate=!0)}isOutputEncodingEnabled(r){return this.encodeOutput}setOutputEncodingEnabled(r){this.encodeOutput=r}get time(){return this.uniforms.time.value}set time(r){this.uniforms.time.value=r}setDeltaTime(r){this.uniforms.time.value+=r}adoptCameraSettings(r){this.copyCameraSettings(r)}copyCameraSettings(r){r&&(this.uniforms.cameraNear.value=r.near,this.uniforms.cameraFar.value=r.far,r instanceof ct?this.defines.PERSPECTIVE_CAMERA="1":delete this.defines.PERSPECTIVE_CAMERA,this.needsUpdate=!0)}setSize(r,e){let t=this.uniforms;t.resolution.value.set(r,e),t.texelSize.value.set(1/r,1/e),t.aspect.value=r/e}static get Section(){return je}};var qb=`#include -#if THREE_REVISION < 143 -#define luminance(v) linearToRelativeLuminance(v) -#endif -#ifdef FRAMEBUFFER_PRECISION_HIGH -uniform mediump sampler2D inputBuffer; -#else -uniform lowp sampler2D inputBuffer; -#endif -#ifdef RANGE -uniform vec2 range; -#elif defined(THRESHOLD) -uniform float threshold;uniform float smoothing; -#endif -varying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);float l=luminance(texel.rgb); -#ifdef RANGE -float low=step(range.x,l);float high=step(l,range.y);l*=low*high; -#elif defined(THRESHOLD) -l=smoothstep(threshold,threshold+smoothing,l); -#endif -#ifdef COLOR -gl_FragColor=vec4(texel.rgb*l,l); -#else -gl_FragColor=vec4(l); -#endif -}`,Zb=class extends Ye{constructor(r=!1,e=null){super({name:"LuminanceMaterial",defines:{THREE_REVISION:bn.replace(/\D+/g,"")},uniforms:{inputBuffer:new De(null),threshold:new De(0),smoothing:new De(1),range:new De(null)},blending:xt,depthWrite:!1,depthTest:!1,fragmentShader:qb,vertexShader:Hp});this.toneMapped=!1,this.colorOutput=r,this.luminanceRange=e}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setInputBuffer(r){this.uniforms.inputBuffer.value=r}get threshold(){return this.uniforms.threshold.value}set threshold(r){this.smoothing>0||r>0?this.defines.THRESHOLD="1":delete this.defines.THRESHOLD,this.uniforms.threshold.value=r}getThreshold(){return this.threshold}setThreshold(r){this.threshold=r}get smoothing(){return this.uniforms.smoothing.value}set smoothing(r){this.threshold>0||r>0?this.defines.THRESHOLD="1":delete this.defines.THRESHOLD,this.uniforms.smoothing.value=r}getSmoothingFactor(){return this.smoothing}setSmoothingFactor(r){this.smoothing=r}get useThreshold(){return this.threshold>0||this.smoothing>0}set useThreshold(r){}get colorOutput(){return this.defines.COLOR!==void 0}set colorOutput(r){r?this.defines.COLOR="1":delete this.defines.COLOR,this.needsUpdate=!0}isColorOutputEnabled(r){return this.colorOutput}setColorOutputEnabled(r){this.colorOutput=r}get useRange(){return this.luminanceRange!==null}set useRange(r){this.luminanceRange=null}get luminanceRange(){return this.uniforms.range.value}set luminanceRange(r){r!==null?this.defines.RANGE="1":delete this.defines.RANGE,this.uniforms.range.value=r,this.needsUpdate=!0}getLuminanceRange(){return this.luminanceRange}setLuminanceRange(r){this.luminanceRange=r}};var Jb=`#ifdef FRAMEBUFFER_PRECISION_HIGH -uniform mediump sampler2D inputBuffer;uniform mediump sampler2D supportBuffer; -#else -uniform lowp sampler2D inputBuffer;uniform lowp sampler2D supportBuffer; -#endif -uniform float radius;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;varying vec2 vUv6;varying vec2 vUv7;void main(){vec4 c=vec4(0.0);c+=texture2D(inputBuffer,vUv0)*0.0625;c+=texture2D(inputBuffer,vUv1)*0.125;c+=texture2D(inputBuffer,vUv2)*0.0625;c+=texture2D(inputBuffer,vUv3)*0.125;c+=texture2D(inputBuffer,vUv)*0.25;c+=texture2D(inputBuffer,vUv4)*0.125;c+=texture2D(inputBuffer,vUv5)*0.0625;c+=texture2D(inputBuffer,vUv6)*0.125;c+=texture2D(inputBuffer,vUv7)*0.0625;vec4 baseColor=texture2D(supportBuffer,vUv);gl_FragColor=mix(baseColor,c,radius); -#include -}`,Kb="uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;varying vec2 vUv6;varying vec2 vUv7;void main(){vUv=position.xy*0.5+0.5;vUv0=vUv+texelSize*vec2(-1.0,1.0);vUv1=vUv+texelSize*vec2(0.0,1.0);vUv2=vUv+texelSize*vec2(1.0,1.0);vUv3=vUv+texelSize*vec2(-1.0,0.0);vUv4=vUv+texelSize*vec2(1.0,0.0);vUv5=vUv+texelSize*vec2(-1.0,-1.0);vUv6=vUv+texelSize*vec2(0.0,-1.0);vUv7=vUv+texelSize*vec2(1.0,-1.0);gl_Position=vec4(position.xy,1.0,1.0);}",$b=class extends Ye{constructor(){super({name:"UpsamplingMaterial",uniforms:{inputBuffer:new De(null),supportBuffer:new De(null),texelSize:new De(new O),radius:new De(.85)},blending:xt,depthWrite:!1,depthTest:!1,fragmentShader:Jb,vertexShader:Kb});this.toneMapped=!1}set inputBuffer(r){this.uniforms.inputBuffer.value=r}set supportBuffer(r){this.uniforms.supportBuffer.value=r}get radius(){return this.uniforms.radius.value}set radius(r){this.uniforms.radius.value=r}setSize(r,e){this.uniforms.texelSize.value.set(1/r,1/e)}},eA=new ai,wi=null;function tA(){if(wi===null){let r=new Float32Array([-1,-1,0,3,-1,0,-1,3,0]),e=new Float32Array([0,0,2,0,0,2]);wi=new de,wi.setAttribute!==void 0?(wi.setAttribute("position",new pe(r,3)),wi.setAttribute("uv",new pe(e,2))):(wi.addAttribute("position",new pe(r,3)),wi.addAttribute("uv",new pe(e,2)))}return wi}var wn=class{constructor(r="Pass",e=new fn,t=eA){this.name=r,this.renderer=null,this.scene=e,this.camera=t,this.screen=null,this.rtt=!0,this.needsSwap=!0,this.needsDepthTexture=!1,this.enabled=!0}get renderToScreen(){return!this.rtt}set renderToScreen(r){if(this.rtt===r){let e=this.fullscreenMaterial;e!==null&&(e.needsUpdate=!0),this.rtt=!r}}set mainScene(r){}set mainCamera(r){}setRenderer(r){this.renderer=r}isEnabled(){return this.enabled}setEnabled(r){this.enabled=r}get fullscreenMaterial(){return this.screen!==null?this.screen.material:null}set fullscreenMaterial(r){let e=this.screen;e!==null?e.material=r:(e=new ze(tA(),r),e.frustumCulled=!1,this.scene===null&&(this.scene=new fn),this.scene.add(e),this.screen=e)}getFullscreenMaterial(){return this.fullscreenMaterial}setFullscreenMaterial(r){this.fullscreenMaterial=r}getDepthTexture(){return null}setDepthTexture(r,e=on){}render(r,e,t,n,i){throw new Error("Render method not implemented!")}setSize(r,e){}initialize(r,e,t){}dispose(){for(let r of Object.keys(this)){let e=this[r];(e instanceof We||e instanceof tt||e instanceof ot||e instanceof wn)&&this[r].dispose()}}},nA=class extends wn{constructor(r,e=!0){super("CopyPass");this.fullscreenMaterial=new zp,this.needsSwap=!1,this.renderTarget=r,r===void 0&&(this.renderTarget=new We(1,1,{minFilter:et,magFilter:et,stencilBuffer:!1,depthBuffer:!1}),this.renderTarget.texture.name="CopyPass.Target"),this.autoResize=e}get resize(){return this.autoResize}set resize(r){this.autoResize=r}get texture(){return this.renderTarget.texture}getTexture(){return this.renderTarget.texture}setAutoResizeEnabled(r){this.autoResize=r}render(r,e,t,n,i){this.fullscreenMaterial.inputBuffer=e.texture,r.setRenderTarget(this.renderToScreen?null:this.renderTarget),r.render(this.scene,this.camera)}setSize(r,e){this.autoResize&&this.renderTarget.setSize(r,e)}initialize(r,e,t){t!==void 0&&(this.renderTarget.texture.type=t,t!==lt?this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH="1":r.outputEncoding===qe&&(this.renderTarget.texture.encoding=qe))}};var iA=class extends wn{constructor(){super("ClearMaskPass",null,null);this.needsSwap=!1}render(r,e,t,n,i){let s=r.state.buffers.stencil;s.setLocked(!1),s.setTest(!1)}},Gp=new $,kp=class extends wn{constructor(r=!0,e=!0,t=!1){super("ClearPass",null,null);this.needsSwap=!1,this.color=r,this.depth=e,this.stencil=t,this.overrideClearColor=null,this.overrideClearAlpha=-1}setClearFlags(r,e,t){this.color=r,this.depth=e,this.stencil=t}getOverrideClearColor(){return this.overrideClearColor}setOverrideClearColor(r){this.overrideClearColor=r}getOverrideClearAlpha(){return this.overrideClearAlpha}setOverrideClearAlpha(r){this.overrideClearAlpha=r}render(r,e,t,n,i){let s=this.overrideClearColor,a=this.overrideClearAlpha,o=r.getClearAlpha(),l=s!==null,c=a>=0;l?(r.getClearColor(Gp),r.setClearColor(s,c?a:o)):c&&r.setClearAlpha(a),r.setRenderTarget(this.renderToScreen?null:e),r.clear(this.color,this.depth,this.stencil),l?r.setClearColor(Gp,o):c&&r.setClearAlpha(o)}},bi=-1,Cn=class extends Rt{constructor(r,e=bi,t=bi,n=1){super();this.resizable=r,this.baseSize=new O(1,1),this.preferredSize=new O(e,t),this.target=this.preferredSize,this.s=n,this.effectiveSize=new O,this.addEventListener("change",()=>this.updateEffectiveSize()),this.updateEffectiveSize()}updateEffectiveSize(){let r=this.baseSize,e=this.preferredSize,t=this.effectiveSize,n=this.scale;e.width!==bi?t.width=e.width:e.height!==bi?t.width=Math.round(e.height*(r.width/Math.max(r.height,1))):t.width=Math.round(r.width*n),e.height!==bi?t.height=e.height:e.width!==bi?t.height=Math.round(e.width/Math.max(r.width/Math.max(r.height,1),1)):t.height=Math.round(r.height*n)}get width(){return this.effectiveSize.width}set width(r){this.preferredWidth=r}get height(){return this.effectiveSize.height}set height(r){this.preferredHeight=r}getWidth(){return this.width}getHeight(){return this.height}get scale(){return this.s}set scale(r){this.s!==r&&(this.s=r,this.preferredSize.setScalar(bi),this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getScale(){return this.scale}setScale(r){this.scale=r}get baseWidth(){return this.baseSize.width}set baseWidth(r){this.baseSize.width!==r&&(this.baseSize.width=r,this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getBaseWidth(){return this.baseWidth}setBaseWidth(r){this.baseWidth=r}get baseHeight(){return this.baseSize.height}set baseHeight(r){this.baseSize.height!==r&&(this.baseSize.height=r,this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getBaseHeight(){return this.baseHeight}setBaseHeight(r){this.baseHeight=r}setBaseSize(r,e){(this.baseSize.width!==r||this.baseSize.height!==e)&&(this.baseSize.set(r,e),this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}get preferredWidth(){return this.preferredSize.width}set preferredWidth(r){this.preferredSize.width!==r&&(this.preferredSize.width=r,this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getPreferredWidth(){return this.preferredWidth}setPreferredWidth(r){this.preferredWidth=r}get preferredHeight(){return this.preferredSize.height}set preferredHeight(r){this.preferredSize.height!==r&&(this.preferredSize.height=r,this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getPreferredHeight(){return this.preferredHeight}setPreferredHeight(r){this.preferredHeight=r}setPreferredSize(r,e){(this.preferredSize.width!==r||this.preferredSize.height!==e)&&(this.preferredSize.set(r,e),this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}copy(r){this.s=r.scale,this.baseSize.set(r.baseWidth,r.baseHeight),this.preferredSize.set(r.preferredWidth,r.preferredHeight),this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height)}static get AUTO_SIZE(){return bi}},pu=!1,Vp=class{constructor(r=null){this.originalMaterials=new Map,this.material=null,this.materials=null,this.materialsBackSide=null,this.materialsDoubleSide=null,this.materialsFlatShaded=null,this.materialsFlatShadedBackSide=null,this.materialsFlatShadedDoubleSide=null,this.setMaterial(r),this.meshCount=0,this.replaceMaterial=e=>{if(e.isMesh){let t;if(e.material.flatShading)switch(e.material.side){case Ht:t=this.materialsFlatShadedDoubleSide;break;case Qe:t=this.materialsFlatShadedBackSide;break;default:t=this.materialsFlatShaded;break}else switch(e.material.side){case Ht:t=this.materialsDoubleSide;break;case Qe:t=this.materialsBackSide;break;default:t=this.materials;break}this.originalMaterials.set(e,e.material),e.isSkinnedMesh?e.material=t[2]:e.isInstancedMesh?e.material=t[1]:e.material=t[0],++this.meshCount}}}setMaterial(r){if(this.disposeMaterials(),this.material=r,r!==null){let e=this.materials=[r.clone(),r.clone(),r.clone()];for(let t of e)t.uniforms=Object.assign({},r.uniforms),t.side=Rn;e[2].skinning=!0,this.materialsBackSide=e.map(t=>{let n=t.clone();return n.uniforms=Object.assign({},r.uniforms),n.side=Qe,n}),this.materialsDoubleSide=e.map(t=>{let n=t.clone();return n.uniforms=Object.assign({},r.uniforms),n.side=Ht,n}),this.materialsFlatShaded=e.map(t=>{let n=t.clone();return n.uniforms=Object.assign({},r.uniforms),n.flatShading=!0,n}),this.materialsFlatShadedBackSide=e.map(t=>{let n=t.clone();return n.uniforms=Object.assign({},r.uniforms),n.flatShading=!0,n.side=Qe,n}),this.materialsFlatShadedDoubleSide=e.map(t=>{let n=t.clone();return n.uniforms=Object.assign({},r.uniforms),n.flatShading=!0,n.side=Ht,n})}}render(r,e,t){let n=r.shadowMap.enabled;if(r.shadowMap.enabled=!1,pu){let i=this.originalMaterials;this.meshCount=0,e.traverse(this.replaceMaterial),r.render(e,t);for(let s of i)s[0].material=s[1];this.meshCount!==i.size&&i.clear()}else{let i=e.overrideMaterial;e.overrideMaterial=this.material,r.render(e,t),e.overrideMaterial=i}r.shadowMap.enabled=n}disposeMaterials(){if(this.material!==null){let r=this.materials.concat(this.materialsBackSide).concat(this.materialsDoubleSide).concat(this.materialsFlatShaded).concat(this.materialsFlatShadedBackSide).concat(this.materialsFlatShadedDoubleSide);for(let e of r)e.dispose()}}dispose(){this.originalMaterials.clear(),this.disposeMaterials()}static get workaroundEnabled(){return pu}static set workaroundEnabled(r){pu=r}},Wp=class extends wn{constructor(r,e,t=null){super("RenderPass",r,e);this.needsSwap=!1,this.clearPass=new kp,this.overrideMaterialManager=t===null?null:new Vp(t),this.ignoreBackground=!1,this.skipShadowMapUpdate=!1,this.selection=null}set mainScene(r){this.scene=r}set mainCamera(r){this.camera=r}get renderToScreen(){return super.renderToScreen}set renderToScreen(r){super.renderToScreen=r,this.clearPass.renderToScreen=r}get overrideMaterial(){let r=this.overrideMaterialManager;return r!==null?r.material:null}set overrideMaterial(r){let e=this.overrideMaterialManager;r!==null?e!==null?e.setMaterial(r):this.overrideMaterialManager=new Vp(r):e!==null&&(e.dispose(),this.overrideMaterialManager=null)}getOverrideMaterial(){return this.overrideMaterial}setOverrideMaterial(r){this.overrideMaterial=r}get clear(){return this.clearPass.enabled}set clear(r){this.clearPass.enabled=r}getSelection(){return this.selection}setSelection(r){this.selection=r}isBackgroundDisabled(){return this.ignoreBackground}setBackgroundDisabled(r){this.ignoreBackground=r}isShadowMapDisabled(){return this.skipShadowMapUpdate}setShadowMapDisabled(r){this.skipShadowMapUpdate=r}getClearPass(){return this.clearPass}render(r,e,t,n,i){let s=this.scene,a=this.camera,o=this.selection,l=a.layers.mask,c=s.background,u=r.shadowMap.autoUpdate,h=this.renderToScreen?null:e;o!==null&&a.layers.set(o.getLayer()),this.skipShadowMapUpdate&&(r.shadowMap.autoUpdate=!1),(this.ignoreBackground||this.clearPass.overrideClearColor!==null)&&(s.background=null),this.clearPass.enabled&&this.clearPass.render(r,e),r.setRenderTarget(h),this.overrideMaterialManager!==null?this.overrideMaterialManager.render(r,s,a):r.render(s,a),a.layers.mask=l,s.background=c,r.shadowMap.autoUpdate=u}};var JE=new Float32Array([255/256/Xn(256,3),255/256/Xn(256,2),255/256/256,255/256]);function Yp(r,e,t){for(let n of e){let i="$1"+r+n.charAt(0).toUpperCase()+n.slice(1),s=new RegExp("([^\\.])(\\b"+n+"\\b)","g");for(let a of t.entries())a[1]!==null&&t.set(a[0],a[1].replace(s,i))}}function rA(r,e,t){var n,i,s,a,o;let l=e.getFragmentShader(),c=e.getVertexShader(),u=l!==void 0&&/mainImage/.test(l),h=l!==void 0&&/mainUv/.test(l);if(t.attributes|=e.getAttributes(),l===void 0)throw new Error(`Missing fragment shader (${e.name})`);if(h&&(t.attributes&lr.CONVOLUTION)!=0)throw new Error(`Effects that transform UVs are incompatible with convolution effects (${e.name})`);if(!u&&!h)throw new Error(`Could not find mainImage or mainUv function (${e.name})`);{let d=/\w+\s+(\w+)\([\w\s,]*\)\s*{/g,f=t.shaderParts,p=(n=f.get(je.FRAGMENT_HEAD))!=null?n:"",v=(i=f.get(je.FRAGMENT_MAIN_UV))!=null?i:"",x=(s=f.get(je.FRAGMENT_MAIN_IMAGE))!=null?s:"",g=(a=f.get(je.VERTEX_HEAD))!=null?a:"",m=(o=f.get(je.VERTEX_MAIN_SUPPORT))!=null?o:"",b=new Set,y=new Set;if(h&&(v+=` ${r}MainUv(UV); -`,t.uvTransformation=!0),c!==null&&/mainSupport/.test(c)){let w=/mainSupport *\([\w\s]*?uv\s*?\)/.test(c);m+=` ${r}MainSupport(`,m+=w?`vUv); +}`,FM="uniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv;VERTEX_HEAD void main(){vUv=position.xy*0.5+0.5;VERTEX_MAIN_SUPPORT gl_Position=vec4(position.xy,1.0,1.0);}",HM=class extends Ke{constructor(r,e,t,i,n=!1){super({name:"EffectMaterial",defines:{THREE_REVISION:Yi.replace(/\D+/g,""),DEPTH_PACKING:"0",ENCODE_OUTPUT:"1"},uniforms:{inputBuffer:new Ze(null),depthBuffer:new Ze(null),resolution:new Ze(new z),texelSize:new Ze(new z),cameraNear:new Ze(.3),cameraFar:new Ze(1e3),aspect:new Ze(1),time:new Ze(0)},blending:Dt,toneMapped:!1,depthWrite:!1,depthTest:!1,dithering:n});r&&this.setShaderParts(r),e&&this.setDefines(e),t&&this.setUniforms(t),this.copyCameraSettings(i)}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setInputBuffer(r){this.uniforms.inputBuffer.value=r}get depthBuffer(){return this.uniforms.depthBuffer.value}set depthBuffer(r){this.uniforms.depthBuffer.value=r}get depthPacking(){return Number(this.defines.DEPTH_PACKING)}set depthPacking(r){this.defines.DEPTH_PACKING=r.toFixed(0),this.needsUpdate=!0}setDepthBuffer(r,e=Ui){this.depthBuffer=r,this.depthPacking=e}setShaderData(r){this.setShaderParts(r.shaderParts),this.setDefines(r.defines),this.setUniforms(r.uniforms),this.setExtensions(r.extensions)}setShaderParts(r){return this.fragmentShader=NM.replace(ot.FRAGMENT_HEAD,r.get(ot.FRAGMENT_HEAD)||"").replace(ot.FRAGMENT_MAIN_UV,r.get(ot.FRAGMENT_MAIN_UV)||"").replace(ot.FRAGMENT_MAIN_IMAGE,r.get(ot.FRAGMENT_MAIN_IMAGE)||""),this.vertexShader=FM.replace(ot.VERTEX_HEAD,r.get(ot.VERTEX_HEAD)||"").replace(ot.VERTEX_MAIN_SUPPORT,r.get(ot.VERTEX_MAIN_SUPPORT)||""),this.needsUpdate=!0,this}setDefines(r){for(let e of r.entries())this.defines[e[0]]=e[1];return this.needsUpdate=!0,this}setUniforms(r){for(let e of r.entries())this.uniforms[e[0]]=e[1];return this}setExtensions(r){this.extensions={};for(let e of r)this.extensions[e]=!0;return this}get encodeOutput(){return this.defines.ENCODE_OUTPUT!==void 0}set encodeOutput(r){this.encodeOutput!==r&&(r?this.defines.ENCODE_OUTPUT="1":delete this.defines.ENCODE_OUTPUT,this.needsUpdate=!0)}isOutputEncodingEnabled(r){return this.encodeOutput}setOutputEncodingEnabled(r){this.encodeOutput=r}get time(){return this.uniforms.time.value}set time(r){this.uniforms.time.value=r}setDeltaTime(r){this.uniforms.time.value+=r}adoptCameraSettings(r){this.copyCameraSettings(r)}copyCameraSettings(r){r&&(this.uniforms.cameraNear.value=r.near,this.uniforms.cameraFar.value=r.far,r instanceof Tt?this.defines.PERSPECTIVE_CAMERA="1":delete this.defines.PERSPECTIVE_CAMERA,this.needsUpdate=!0)}setSize(r,e){let t=this.uniforms;t.resolution.value.set(r,e),t.texelSize.value.set(1/r,1/e),t.aspect.value=r/e}static get Section(){return ot}};var iT=Number(Yi.replace(/\D+/g,"")),es=255/256,nT=new Float32Array([es/rn(256,3),es/rn(256,2),es/256,es]),rT=new Float32Array([es,es/256,es/rn(256,2),1/rn(256,3)]);function ov(r,e,t){for(let i of e){let n="$1"+r+i.charAt(0).toUpperCase()+i.slice(1),s=new RegExp("([^\\.])(\\b"+i+"\\b)","g");for(let a of t.entries())a[1]!==null&&t.set(a[0],a[1].replace(s,n))}}function zM(r,e,t){let i=e.getFragmentShader(),n=e.getVertexShader(),s=i!==void 0&&/mainImage/.test(i),a=i!==void 0&&/mainUv/.test(i);if(t.attributes|=e.getAttributes(),i===void 0)throw new Error(`Missing fragment shader (${e.name})`);if(a&&(t.attributes&$r.CONVOLUTION)!=0)throw new Error(`Effects that transform UVs are incompatible with convolution effects (${e.name})`);if(!s&&!a)throw new Error(`Could not find mainImage or mainUv function (${e.name})`);{let o=/\w+\s+(\w+)\([\w\s,]*\)\s*{/g,l=t.shaderParts,c=l.get(ot.FRAGMENT_HEAD)||"",h=l.get(ot.FRAGMENT_MAIN_UV)||"",u=l.get(ot.FRAGMENT_MAIN_IMAGE)||"",d=l.get(ot.VERTEX_HEAD)||"",f=l.get(ot.VERTEX_MAIN_SUPPORT)||"",m=new Set,v=new Set;if(a&&(h+=` ${r}MainUv(UV); +`,t.uvTransformation=!0),n!==null&&/mainSupport/.test(n)){let y=/mainSupport *\([\w\s]*?uv\s*?\)/.test(n);f+=` ${r}MainSupport(`,f+=y?`vUv); `:`); -`;for(let D of c.matchAll(/(?:varying\s+\w+\s+([\S\s]*?);)/g))for(let I of D[1].split(/\s*,\s*/))t.varyings.add(I),b.add(I),y.add(I);for(let D of c.matchAll(d))y.add(D[1])}for(let w of l.matchAll(d))y.add(w[1]);for(let w of e.defines.keys())y.add(w.replace(/\([\w\s,]*\)/g,""));for(let w of e.uniforms.keys())y.add(w);y.delete("while"),y.delete("for"),y.delete("if"),e.uniforms.forEach((w,D)=>t.uniforms.set(r+D.charAt(0).toUpperCase()+D.slice(1),w)),e.defines.forEach((w,D)=>t.defines.set(r+D.charAt(0).toUpperCase()+D.slice(1),w));let E=new Map([["fragment",l],["vertex",c]]);Yp(r,y,t.defines),Yp(r,y,E),l=E.get("fragment"),c=E.get("vertex");let _=e.blendMode;if(t.blendModes.set(_.blendFunction,_),u){e.inputColorSpace!==null&&e.inputColorSpace!==t.colorSpace&&(x+=e.inputColorSpace===qe?`color0 = LinearTosRGB(color0); +`;for(let x of n.matchAll(/(?:varying\s+\w+\s+([\S\s]*?);)/g))for(let _ of x[1].split(/\s*,\s*/))t.varyings.add(_),m.add(_),v.add(_);for(let x of n.matchAll(o))v.add(x[1])}for(let y of i.matchAll(o))v.add(y[1]);for(let y of e.defines.keys())v.add(y.replace(/\([\w\s,]*\)/g,""));for(let y of e.uniforms.keys())v.add(y);v.delete("while"),v.delete("for"),v.delete("if"),e.uniforms.forEach((y,x)=>t.uniforms.set(r+x.charAt(0).toUpperCase()+x.slice(1),y)),e.defines.forEach((y,x)=>t.defines.set(r+x.charAt(0).toUpperCase()+x.slice(1),y));let g=new Map([["fragment",i],["vertex",n]]);ov(r,v,t.defines),ov(r,v,g),i=g.get("fragment"),n=g.get("vertex");let p=e.blendMode;if(t.blendModes.set(p.blendFunction,p),s){e.inputColorSpace!==null&&e.inputColorSpace!==t.colorSpace&&(u+=e.inputColorSpace===Oe?`color0 = sRGBTransferOETF(color0); `:`color0 = sRGBToLinear(color0); - `),e.outputColorSpace!==null?t.colorSpace=e.outputColorSpace:e.inputColorSpace!==null&&(t.colorSpace=e.inputColorSpace);let w=/MainImage *\([\w\s,]*?depth[\w\s,]*?\)/;x+=`${r}MainImage(color0, UV, `,(t.attributes&lr.DEPTH)!=0&&w.test(l)&&(x+="depth, ",t.readDepth=!0),x+=`color1); - `;let D=r+"BlendOpacity";t.uniforms.set(D,_.opacity),x+=`color0 = blend${_.blendFunction}(color0, color1, ${D}); + `),e.outputColorSpace!==di?t.colorSpace=e.outputColorSpace:e.inputColorSpace!==null&&(t.colorSpace=e.inputColorSpace);let y=/MainImage *\([\w\s,]*?depth[\w\s,]*?\)/;u+=`${r}MainImage(color0, UV, `,(t.attributes&$r.DEPTH)!=0&&y.test(i)&&(u+="depth, ",t.readDepth=!0),u+=`color1); + `;let x=r+"BlendOpacity";t.uniforms.set(x,p.opacity),u+=`color0 = blend${p.blendFunction}(color0, color1, ${x}); - `,p+=`uniform float ${D}; + `,c+=`uniform float ${x}; -`}if(p+=l+` -`,c!==null&&(g+=c+` -`),f.set(je.FRAGMENT_HEAD,p),f.set(je.FRAGMENT_MAIN_UV,v),f.set(je.FRAGMENT_MAIN_IMAGE,x),f.set(je.VERTEX_HEAD,g),f.set(je.VERTEX_MAIN_SUPPORT,m),e.extensions!==null)for(let w of e.extensions)t.extensions.add(w)}}var jp=class extends wn{constructor(r,...e){super("EffectPass");this.fullscreenMaterial=new Qb(null,null,null,r),this.listener=t=>this.handleEvent(t),this.effects=[],this.setEffects(e),this.skipRendering=!1,this.minTime=1,this.maxTime=Number.POSITIVE_INFINITY,this.timeScale=1}set mainScene(r){for(let e of this.effects)e.mainScene=r}set mainCamera(r){this.fullscreenMaterial.copyCameraSettings(r);for(let e of this.effects)e.mainCamera=r}get encodeOutput(){return this.fullscreenMaterial.encodeOutput}set encodeOutput(r){this.fullscreenMaterial.encodeOutput=r}get dithering(){return this.fullscreenMaterial.dithering}set dithering(r){let e=this.fullscreenMaterial;e.dithering=r,e.needsUpdate=!0}setEffects(r){for(let e of this.effects)e.removeEventListener("change",this.listener);this.effects=r.sort((e,t)=>t.attributes-e.attributes);for(let e of this.effects)e.addEventListener("change",this.listener)}updateMaterial(){let r=new hA,e=0;for(let a of this.effects)if(a.blendMode.blendFunction===Fe.DST)r.attributes|=a.getAttributes()&lr.DEPTH;else{if((r.attributes&a.getAttributes()&lr.CONVOLUTION)!=0)throw new Error(`Convolution effects cannot be merged (${a.name})`);rA("e"+e++,a,r)}let t=r.shaderParts.get(je.FRAGMENT_HEAD),n=r.shaderParts.get(je.FRAGMENT_MAIN_IMAGE),i=r.shaderParts.get(je.FRAGMENT_MAIN_UV),s=/\bblend\b/g;for(let a of r.blendModes.values())t+=a.getShaderCode().replace(s,`blend${a.blendFunction}`)+` -`;(r.attributes&lr.DEPTH)!=0?(r.readDepth&&(n=`float depth = readDepth(UV); +`}if(c+=i+` +`,n!==null&&(d+=n+` +`),l.set(ot.FRAGMENT_HEAD,c),l.set(ot.FRAGMENT_MAIN_UV,h),l.set(ot.FRAGMENT_MAIN_IMAGE,u),l.set(ot.VERTEX_HEAD,d),l.set(ot.VERTEX_MAIN_SUPPORT,f),e.extensions!==null)for(let y of e.extensions)t.extensions.add(y)}}var lv=class extends nn{constructor(r,...e){super("EffectPass");this.fullscreenMaterial=new HM(null,null,null,r),this.listener=t=>this.handleEvent(t),this.effects=[],this.setEffects(e),this.skipRendering=!1,this.minTime=1,this.maxTime=Number.POSITIVE_INFINITY,this.timeScale=1}set mainScene(r){for(let e of this.effects)e.mainScene=r}set mainCamera(r){this.fullscreenMaterial.copyCameraSettings(r);for(let e of this.effects)e.mainCamera=r}get encodeOutput(){return this.fullscreenMaterial.encodeOutput}set encodeOutput(r){this.fullscreenMaterial.encodeOutput=r}get dithering(){return this.fullscreenMaterial.dithering}set dithering(r){let e=this.fullscreenMaterial;e.dithering=r,e.needsUpdate=!0}setEffects(r){for(let e of this.effects)e.removeEventListener("change",this.listener);this.effects=r.sort((e,t)=>t.attributes-e.attributes);for(let e of this.effects)e.addEventListener("change",this.listener)}updateMaterial(){let r=new HE,e=0;for(let a of this.effects)if(a.blendMode.blendFunction===$e.DST)r.attributes|=a.getAttributes()&$r.DEPTH;else{if((r.attributes&a.getAttributes()&$r.CONVOLUTION)!=0)throw new Error(`Convolution effects cannot be merged (${a.name})`);zM("e"+e++,a,r)}let t=r.shaderParts.get(ot.FRAGMENT_HEAD),i=r.shaderParts.get(ot.FRAGMENT_MAIN_IMAGE),n=r.shaderParts.get(ot.FRAGMENT_MAIN_UV),s=/\bblend\b/g;for(let a of r.blendModes.values())t+=a.getShaderCode().replace(s,`blend${a.blendFunction}`)+` +`;(r.attributes&$r.DEPTH)!=0?(r.readDepth&&(i=`float depth = readDepth(UV); - `+n),this.needsDepthTexture=this.getDepthTexture()===null):this.needsDepthTexture=!1,r.colorSpace===qe&&(n+=`color0 = sRGBToLinear(color0); - `),r.uvTransformation?(i=`vec2 transformedUv = vUv; -`+i,r.defines.set("UV","transformedUv")):r.defines.set("UV","vUv"),r.shaderParts.set(je.FRAGMENT_HEAD,t),r.shaderParts.set(je.FRAGMENT_MAIN_IMAGE,n),r.shaderParts.set(je.FRAGMENT_MAIN_UV,i),r.shaderParts.forEach((a,o,l)=>l.set(o,a==null?void 0:a.trim().replace(/^#/,` -#`))),this.skipRendering=e===0,this.needsSwap=!this.skipRendering,this.fullscreenMaterial.setShaderData(r)}recompile(){this.updateMaterial()}getDepthTexture(){return this.fullscreenMaterial.depthBuffer}setDepthTexture(r,e=on){this.fullscreenMaterial.depthBuffer=r,this.fullscreenMaterial.depthPacking=e;for(let t of this.effects)t.setDepthTexture(r,e)}render(r,e,t,n,i){for(let s of this.effects)s.update(r,e,n);if(!this.skipRendering||this.renderToScreen){let s=this.fullscreenMaterial;s.inputBuffer=e.texture,s.time+=n*this.timeScale,r.setRenderTarget(this.renderToScreen?null:t),r.render(this.scene,this.camera)}}setSize(r,e){this.fullscreenMaterial.setSize(r,e);for(let t of this.effects)t.setSize(r,e)}initialize(r,e,t){this.renderer=r;for(let n of this.effects)n.initialize(r,e,t);this.updateMaterial(),t!==void 0&&t!==lt&&(this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH="1")}dispose(){super.dispose();for(let r of this.effects)r.removeEventListener("change",this.listener),r.dispose()}handleEvent(r){switch(r.type){case"change":this.recompile();break}}};var sA=class extends wn{constructor({kernelSize:r=fu.MEDIUM,resolutionScale:e=.5,width:t=Cn.AUTO_SIZE,height:n=Cn.AUTO_SIZE,resolutionX:i=t,resolutionY:s=n}={}){super("KawaseBlurPass");this.renderTargetA=new We(1,1,{depthBuffer:!1}),this.renderTargetA.texture.name="Blur.Target.A",this.renderTargetB=this.renderTargetA.clone(),this.renderTargetB.texture.name="Blur.Target.B";let a=this.resolution=new Cn(this,i,s,e);a.addEventListener("change",o=>this.setSize(a.baseWidth,a.baseHeight)),this._blurMaterial=new Gb,this._blurMaterial.kernelSize=r,this.copyMaterial=new zp}getResolution(){return this.resolution}get blurMaterial(){return this._blurMaterial}set blurMaterial(r){this._blurMaterial=r}get dithering(){return this.copyMaterial.dithering}set dithering(r){this.copyMaterial.dithering=r}get kernelSize(){return this.blurMaterial.kernelSize}set kernelSize(r){this.blurMaterial.kernelSize=r}get width(){return this.resolution.width}set width(r){this.resolution.preferredWidth=r}get height(){return this.resolution.height}set height(r){this.resolution.preferredHeight=r}get scale(){return this.blurMaterial.scale}set scale(r){this.blurMaterial.scale=r}getScale(){return this.blurMaterial.scale}setScale(r){this.blurMaterial.scale=r}getKernelSize(){return this.kernelSize}setKernelSize(r){this.kernelSize=r}getResolutionScale(){return this.resolution.scale}setResolutionScale(r){this.resolution.scale=r}render(r,e,t,n,i){let s=this.scene,a=this.camera,o=this.renderTargetA,l=this.renderTargetB,c=this.blurMaterial,u=c.kernelSequence,h=e;this.fullscreenMaterial=c;for(let d=0,f=u.length;dthis.setSize(l.baseWidth,l.baseHeight))}get texture(){return this.renderTarget.texture}getTexture(){return this.renderTarget.texture}getResolution(){return this.resolution}render(r,e,t,n,i){let s=this.fullscreenMaterial;s.inputBuffer=e.texture,r.setRenderTarget(this.renderToScreen?null:this.renderTarget),r.render(this.scene,this.camera)}setSize(r,e){let t=this.resolution;t.setBaseSize(r,e),this.renderTarget.setSize(t.width,t.height)}initialize(r,e,t){t!==void 0&&t!==lt&&(this.renderTarget.texture.type=t,this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH="1")}},oA=class extends wn{constructor(r,e){super("MaskPass",r,e);this.needsSwap=!1,this.clearPass=new kp(!1,!1,!0),this.inverse=!1}set mainScene(r){this.scene=r}set mainCamera(r){this.camera=r}get inverted(){return this.inverse}set inverted(r){this.inverse=r}get clear(){return this.clearPass.enabled}set clear(r){this.clearPass.enabled=r}getClearPass(){return this.clearPass}isInverted(){return this.inverted}setInverted(r){this.inverted=r}render(r,e,t,n,i){let s=r.getContext(),a=r.state.buffers,o=this.scene,l=this.camera,c=this.clearPass,u=this.inverted?0:1,h=1-u;a.color.setMask(!1),a.depth.setMask(!1),a.color.setLocked(!0),a.depth.setLocked(!0),a.stencil.setTest(!0),a.stencil.setOp(s.REPLACE,s.REPLACE,s.REPLACE),a.stencil.setFunc(s.ALWAYS,u,4294967295),a.stencil.setClear(h),a.stencil.setLocked(!0),this.clearPass.enabled&&(this.renderToScreen?c.render(r,null):(c.render(r,e),c.render(r,t))),this.renderToScreen?(r.setRenderTarget(null),r.render(o,l)):(r.setRenderTarget(e),r.render(o,l),r.setRenderTarget(t),r.render(o,l)),a.color.setLocked(!1),a.depth.setLocked(!1),a.stencil.setLocked(!1),a.stencil.setFunc(s.EQUAL,1,4294967295),a.stencil.setOp(s.KEEP,s.KEEP,s.KEEP),a.stencil.setLocked(!0)}},lA=class extends wn{constructor(){super("MipmapBlurPass");this.needsSwap=!1,this.renderTarget=new We(1,1,{depthBuffer:!1}),this.renderTarget.texture.name="Upsampling.Mipmap0",this.downsamplingMipmaps=[],this.upsamplingMipmaps=[],this.downsamplingMaterial=new Yb,this.upsamplingMaterial=new $b,this.resolution=new O}get texture(){return this.renderTarget.texture}get levels(){return this.downsamplingMipmaps.length}set levels(r){if(this.levels!==r){let e=this.renderTarget;this.dispose(),this.downsamplingMipmaps=[],this.upsamplingMipmaps=[];for(let t=0;t=0;--d){let f=u[d];l.setSize(h.width,h.height),l.inputBuffer=h.texture,l.supportBuffer=c[d].texture,r.setRenderTarget(f),r.render(s,a),h=f}}setSize(r,e){let t=this.resolution;t.set(r,e);let n=t.width,i=t.height;for(let s=0,a=this.downsamplingMipmaps.length;s0&&r>0?(this.inputBuffer.samples=r,this.outputBuffer.samples=r,this.inputBuffer.dispose(),this.outputBuffer.dispose()):t!==r&&(this.inputBuffer.dispose(),this.outputBuffer.dispose(),this.inputBuffer=this.createBuffer(e.depthBuffer,e.stencilBuffer,e.texture.type,r),this.inputBuffer.depthTexture=this.depthTexture,this.outputBuffer=this.inputBuffer.clone())}getTimer(){return this.timer}getRenderer(){return this.renderer}setRenderer(r){if(this.renderer=r,r!==null){let e=r.getSize(new O),t=r.getContext().getContextAttributes().alpha,n=this.inputBuffer.texture.type;n===lt&&r.outputEncoding===qe&&(this.inputBuffer.texture.encoding=qe,this.outputBuffer.texture.encoding=qe,this.inputBuffer.dispose(),this.outputBuffer.dispose()),r.autoClear=!1,this.setSize(e.width,e.height);for(let i of this.passes)i.initialize(r,t,n)}}replaceRenderer(r,e=!0){let t=this.renderer,n=t.domElement.parentNode;return this.setRenderer(r),e&&n!==null&&(n.removeChild(t.domElement),n.appendChild(r.domElement)),t}createDepthTexture(){let r=this.depthTexture=new ci;return this.inputBuffer.depthTexture=r,this.inputBuffer.dispose(),this.inputBuffer.stencilBuffer?(r.format=Ln,r.type=Pn):r.type=Li,r}deleteDepthTexture(){if(this.depthTexture!==null){this.depthTexture.dispose(),this.depthTexture=null,this.inputBuffer.depthTexture=null,this.inputBuffer.dispose();for(let r of this.passes)r.setDepthTexture(null)}}createBuffer(r,e,t,n){let i=this.renderer,s=i===null?new O:i.getDrawingBufferSize(new O),a={minFilter:et,magFilter:et,stencilBuffer:e,depthBuffer:r,type:t},o;return n>0?(o=Number(bn.replace(/\D+/g,""))<138?new Ni(s.width,s.height,a):new We(s.width,s.height,a),o.ignoreDepthForMultisampleCopy=!1,o.samples=n):o=new We(s.width,s.height,a),t===lt&&i!==null&&i.outputEncoding===qe&&(o.texture.encoding=qe),o.texture.name="EffectComposer.Buffer",o.texture.generateMipmaps=!1,o}setMainScene(r){for(let e of this.passes)e.mainScene=r}setMainCamera(r){for(let e of this.passes)e.mainCamera=r}addPass(r,e){let t=this.passes,n=this.renderer,i=n.getDrawingBufferSize(new O),s=n.getContext().getContextAttributes().alpha,a=this.inputBuffer.texture.type;if(r.setRenderer(n),r.setSize(i.width,i.height),r.initialize(n,s,a),this.autoRenderToScreen&&(t.length>0&&(t[t.length-1].renderToScreen=!1),r.renderToScreen&&(this.autoRenderToScreen=!1)),e!==void 0?t.splice(e,0,r):t.push(r),this.autoRenderToScreen&&(t[t.length-1].renderToScreen=!0),r.needsDepthTexture||this.depthTexture!==null)if(this.depthTexture===null){let o=this.createDepthTexture();for(r of t)r.setDepthTexture(o)}else r.setDepthTexture(this.depthTexture)}removePass(r){let e=this.passes,t=e.indexOf(r);if(t!==-1&&e.splice(t,1).length>0){if(this.depthTexture!==null){let s=(o,l)=>o||l.needsDepthTexture;e.reduce(s,!1)||(r.getDepthTexture()===this.depthTexture&&r.setDepthTexture(null),this.deleteDepthTexture())}this.autoRenderToScreen&&t===e.length&&(r.renderToScreen=!1,e.length>0&&(e[e.length-1].renderToScreen=!0))}}removeAllPasses(){let r=this.passes;this.deleteDepthTexture(),r.length>0&&(this.autoRenderToScreen&&(r[r.length-1].renderToScreen=!1),this.passes=[])}render(r){let e=this.renderer,t=this.copyPass,n=this.inputBuffer,i=this.outputBuffer,s=!1,a,o,l;r===void 0&&(r=this.timer.update().getDelta());for(let c of this.passes)c.enabled&&(c.render(e,n,i,r,s),c.needsSwap&&(s&&(t.renderToScreen=c.renderToScreen,a=e.getContext(),o=e.state.buffers.stencil,o.setFunc(a.NOTEQUAL,1,4294967295),t.render(e,n,i,r,s),o.setFunc(a.EQUAL,1,4294967295)),l=n,n=i,i=l),c instanceof oA?s=!0:c instanceof iA&&(s=!1))}setSize(r,e,t){let n=this.renderer,i=n.getSize(new O);(r===void 0||e===void 0)&&(r=i.width,e=i.height),(i.width!==r||i.height!==e)&&n.setSize(r,e,t);let s=n.getDrawingBufferSize(new O);this.inputBuffer.setSize(s.width,s.height),this.outputBuffer.setSize(s.width,s.height);for(let a of this.passes)a.setSize(s.width,s.height)}reset(){let r=this.timer.isAutoResetEnabled();this.dispose(),this.autoRenderToScreen=!0,this.timer.setAutoResetEnabled(r)}dispose(){for(let r of this.passes)r.dispose();this.passes=[],this.inputBuffer!==null&&this.inputBuffer.dispose(),this.outputBuffer!==null&&this.outputBuffer.dispose(),this.deleteDepthTexture(),this.copyPass.dispose(),this.timer.dispose()}},hA=class{constructor(){this.shaderParts=new Map([[je.FRAGMENT_HEAD,null],[je.FRAGMENT_MAIN_UV,null],[je.FRAGMENT_MAIN_IMAGE,null],[je.VERTEX_HEAD,null],[je.VERTEX_MAIN_SUPPORT,null]]),this.defines=new Map,this.uniforms=new Map,this.blendModes=new Map,this.extensions=new Set,this.attributes=lr.NONE,this.varyings=new Set,this.uvTransformation=!1,this.readDepth=!1,this.colorSpace=ft}};var dA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x+y,opacity);}",fA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y,min(y.a,opacity));}",pA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,(x+y)*0.5,opacity);}",mA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(yHSL.rg,xHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}",gA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(step(0.0,y)*(1.0-min(vec4(1.0),(1.0-x)/y)),vec4(1.0),step(1.0,x));return mix(x,z,opacity);}",vA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=step(0.0,x)*mix(min(vec4(1.0),x/max(1.0-y,1e-9)),vec4(1.0),step(1.0,y));return mix(x,z,opacity);}",xA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,min(x,y),opacity);}",yA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,abs(x-y),opacity);}",wA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x/max(y,1e-12),opacity);}",bA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,(x+y-2.0*x*y),opacity);}",AA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 a=min(x,1.0),b=min(y,1.0);vec4 z=mix(2.0*a*b,1.0-2.0*(1.0-a)*(1.0-b),step(0.5,y));return mix(x,z,opacity);}",EA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,step(1.0,x+y),opacity);}",MA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(yHSL.r,xHSL.gb));return vec4(mix(x.rgb,z,opacity),y.a);}",SA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,1.0-y,opacity);}",_A="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y*(1.0-x),opacity);}",TA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,max(x,y),opacity);}",CA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,clamp(y+x-1.0,0.0,1.0),opacity);}",DA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,min(x+y,1.0),opacity);}",RA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,clamp(2.0*y+x-1.0,0.0,1.0),opacity);}",PA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(xHSL.rg,yHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}",LA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x*y,opacity);}",IA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,1.0-abs(1.0-x-y),opacity);}",BA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y,opacity);}",UA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(2.0*y*x,1.0-2.0*(1.0-y)*(1.0-x),step(0.5,x));return mix(x,z,opacity);}",FA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 y2=2.0*y;vec4 z=mix(mix(y2,x,step(0.5*x,y)),max(vec4(0.0),y2-1.0),step(x,(y2-1.0)));return mix(x,z,opacity);}",OA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(min(x*x/max(1.0-y,1e-12),1.0),y,step(1.0,y));return mix(x,z,opacity);}",NA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(xHSL.r,yHSL.g,xHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}",HA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x+y-min(x*y,1.0),opacity);}",zA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 y2=2.0*y;vec4 w=step(0.5,y);vec4 z=mix(x-(1.0-y2)*x*(1.0-x),mix(x+(y2-1.0)*(sqrt(x)-x),x+(y2-1.0)*x*((16.0*x-12.0)*x+3.0),w*(1.0-step(0.25,x))),w);return mix(x,z,opacity);}",GA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return y;}",kA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,max(x+y-1.0,0.0),opacity);}",VA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(max(1.0-min((1.0-x)/(2.0*y),1.0),0.0),min(x/(2.0*(1.0-y)),1.0),step(0.5,y));return mix(x,z,opacity);}",WA=new Map([[Fe.ADD,dA],[Fe.ALPHA,fA],[Fe.AVERAGE,pA],[Fe.COLOR,mA],[Fe.COLOR_BURN,gA],[Fe.COLOR_DODGE,vA],[Fe.DARKEN,xA],[Fe.DIFFERENCE,yA],[Fe.DIVIDE,wA],[Fe.DST,null],[Fe.EXCLUSION,bA],[Fe.HARD_LIGHT,AA],[Fe.HARD_MIX,EA],[Fe.HUE,MA],[Fe.INVERT,SA],[Fe.INVERT_RGB,_A],[Fe.LIGHTEN,TA],[Fe.LINEAR_BURN,CA],[Fe.LINEAR_DODGE,DA],[Fe.LINEAR_LIGHT,RA],[Fe.LUMINOSITY,PA],[Fe.MULTIPLY,LA],[Fe.NEGATION,IA],[Fe.NORMAL,BA],[Fe.OVERLAY,UA],[Fe.PIN_LIGHT,FA],[Fe.REFLECT,OA],[Fe.SATURATION,NA],[Fe.SCREEN,HA],[Fe.SOFT_LIGHT,zA],[Fe.SRC,GA],[Fe.SUBTRACT,kA],[Fe.VIVID_LIGHT,VA]]),YA=class extends Rt{constructor(r,e=1){super();this._blendFunction=r,this.opacity=new De(e)}getOpacity(){return this.opacity.value}setOpacity(r){this.opacity.value=r}get blendFunction(){return this._blendFunction}set blendFunction(r){this._blendFunction=r,this.dispatchEvent({type:"change"})}getBlendFunction(){return this.blendFunction}setBlendFunction(r){this.blendFunction=r}getShaderCode(){return WA.get(this.blendFunction)}},jA=class extends Rt{constructor(r,e,{attributes:t=lr.NONE,blendFunction:n=Fe.NORMAL,defines:i=new Map,uniforms:s=new Map,extensions:a=null,vertexShader:o=null}={}){super();this.name=r,this.renderer=null,this.attributes=t,this.fragmentShader=e,this.vertexShader=o,this.defines=i,this.uniforms=s,this.extensions=a,this.blendMode=new YA(n),this.blendMode.addEventListener("change",l=>this.setChanged()),this._inputColorSpace=ft,this._outputColorSpace=null}get inputColorSpace(){return this._inputColorSpace}set inputColorSpace(r){this._inputColorSpace=r,this.setChanged()}get outputColorSpace(){return this._outputColorSpace}set outputColorSpace(r){this._outputColorSpace=r,this.setChanged()}set mainScene(r){}set mainCamera(r){}getName(){return this.name}setRenderer(r){this.renderer=r}getDefines(){return this.defines}getUniforms(){return this.uniforms}getExtensions(){return this.extensions}getBlendMode(){return this.blendMode}getAttributes(){return this.attributes}setAttributes(r){this.attributes=r,this.setChanged()}getFragmentShader(){return this.fragmentShader}setFragmentShader(r){this.fragmentShader=r,this.setChanged()}getVertexShader(){return this.vertexShader}setVertexShader(r){this.vertexShader=r,this.setChanged()}setChanged(){this.dispatchEvent({type:"change"})}setDepthTexture(r,e=on){}update(r,e,t){}setSize(r,e){}initialize(r,e,t){}dispose(){for(let r of Object.keys(this)){let e=this[r];(e instanceof We||e instanceof tt||e instanceof ot||e instanceof wn)&&this[r].dispose()}}},XA=`#ifdef FRAMEBUFFER_PRECISION_HIGH -uniform mediump sampler2D map; -#else -uniform lowp sampler2D map; -#endif -uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=texture2D(map,uv)*intensity;}`,Qp=class extends 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this.mipmapBlurPass.enabled?this.mipmapBlurPass.texture:this.renderTarget.texture}getTexture(){return this.texture}getResolution(){return this.resolution}getBlurPass(){return this.blurPass}getLuminancePass(){return this.luminancePass}get luminanceMaterial(){return this.luminancePass.fullscreenMaterial}getLuminanceMaterial(){return this.luminancePass.fullscreenMaterial}get width(){return this.resolution.width}set width(r){this.resolution.preferredWidth=r}get height(){return this.resolution.height}set height(r){this.resolution.preferredHeight=r}get dithering(){return this.blurPass.dithering}set dithering(r){this.blurPass.dithering=r}get kernelSize(){return this.blurPass.kernelSize}set kernelSize(r){this.blurPass.kernelSize=r}get distinction(){return console.warn(this.name,"distinction was removed"),1}set distinction(r){console.warn(this.name,"distinction was removed")}get intensity(){return this.uniforms.get("intensity").value}set intensity(r){this.uniforms.get("intensity").value=r}getIntensity(){return this.intensity}setIntensity(r){this.intensity=r}getResolutionScale(){return this.resolution.scale}setResolutionScale(r){this.resolution.scale=r}update(r,e,t){let n=this.renderTarget,i=this.luminancePass;i.enabled?(i.render(r,e),this.mipmapBlurPass.enabled?this.mipmapBlurPass.render(r,i.renderTarget):this.blurPass.render(r,i.renderTarget,n)):this.mipmapBlurPass.enabled?this.mipmapBlurPass.render(r,e):this.blurPass.render(r,e,n)}setSize(r,e){let t=this.resolution;t.setBaseSize(r,e),this.renderTarget.setSize(t.width,t.height),this.blurPass.resolution.copy(t),this.luminancePass.setSize(r,e),this.mipmapBlurPass.setSize(r,e)}initialize(r,e,t){this.blurPass.initialize(r,e,t),this.luminancePass.initialize(r,e,t),this.mipmapBlurPass.initialize(r,e,t),t!==void 0&&(this.renderTarget.texture.type=t,r.outputEncoding===qe&&(this.renderTarget.texture.encoding=qe))}};var oM=new A,lM=new ge;var uM=new $;var hM=[new Float32Array(3),new Float32Array(3)],dM=[new Float32Array(3),new Float32Array(3),new Float32Array(3),new Float32Array(3)],fM=[[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([0,1,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([0,1,1]),new Float32Array([1,1,1])]];var pM=[new Float32Array(2),new Float32Array(2)];var mM=new Float32Array([0,-.25,.25,-.125,.125,-.375,.375]),gM=[new Float32Array([0,0]),new Float32Array([.25,-.25]),new Float32Array([-.25,.25]),new Float32Array([.125,-.125]),new Float32Array([-.125,.125])],vM=[new Uint8Array([0,0]),new Uint8Array([3,0]),new Uint8Array([0,3]),new Uint8Array([3,3]),new Uint8Array([1,0]),new Uint8Array([4,0]),new Uint8Array([1,3]),new Uint8Array([4,3]),new Uint8Array([0,1]),new Uint8Array([3,1]),new Uint8Array([0,4]),new Uint8Array([3,4]),new Uint8Array([1,1]),new Uint8Array([4,1]),new Uint8Array([1,4]),new Uint8Array([4,4])],xM=[new Uint8Array([0,0]),new Uint8Array([1,0]),new Uint8Array([0,2]),new Uint8Array([1,2]),new Uint8Array([2,0]),new Uint8Array([3,0]),new Uint8Array([2,2]),new Uint8Array([3,2]),new Uint8Array([0,1]),new Uint8Array([1,1]),new Uint8Array([0,3]),new Uint8Array([1,3]),new Uint8Array([2,1]),new Uint8Array([3,1]),new Uint8Array([2,3]),new Uint8Array([3,3])];var yM=new Map([[Nt(0,0,0,0),new Float32Array([0,0,0,0])],[Nt(0,0,0,1),new Float32Array([0,0,0,1])],[Nt(0,0,1,0),new Float32Array([0,0,1,0])],[Nt(0,0,1,1),new Float32Array([0,0,1,1])],[Nt(0,1,0,0),new Float32Array([0,1,0,0])],[Nt(0,1,0,1),new Float32Array([0,1,0,1])],[Nt(0,1,1,0),new Float32Array([0,1,1,0])],[Nt(0,1,1,1),new Float32Array([0,1,1,1])],[Nt(1,0,0,0),new Float32Array([1,0,0,0])],[Nt(1,0,0,1),new Float32Array([1,0,0,1])],[Nt(1,0,1,0),new Float32Array([1,0,1,0])],[Nt(1,0,1,1),new Float32Array([1,0,1,1])],[Nt(1,1,0,0),new Float32Array([1,1,0,0])],[Nt(1,1,0,1),new Float32Array([1,1,0,1])],[Nt(1,1,1,0),new Float32Array([1,1,1,0])],[Nt(1,1,1,1),new Float32Array([1,1,1,1])]]);function gu(r,e,t){return r+(e-r)*t}function Nt(r,e,t,n){let i=gu(r,e,1-.25),s=gu(t,n,1-.25);return gu(i,s,1-.125)}var bM=Math.PI*.5,AM=new A,EM=new A;function qp(){return` - varying vec3 vColor; - uniform sampler2D texture; + `+i),this.needsDepthTexture=this.getDepthTexture()===null):this.needsDepthTexture=!1,r.colorSpace===Oe&&(i+=`color0 = sRGBToLinear(color0); + `),r.uvTransformation?(n=`vec2 transformedUv = vUv; +`+n,r.defines.set("UV","transformedUv")):r.defines.set("UV","vUv"),r.shaderParts.set(ot.FRAGMENT_HEAD,t),r.shaderParts.set(ot.FRAGMENT_MAIN_IMAGE,i),r.shaderParts.set(ot.FRAGMENT_MAIN_UV,n);for(let[a,o]of r.shaderParts)o!==null&&r.shaderParts.set(a,o.trim().replace(/^#/,` +#`));this.skipRendering=e===0,this.needsSwap=!this.skipRendering,this.fullscreenMaterial.setShaderData(r)}recompile(){this.updateMaterial()}getDepthTexture(){return this.fullscreenMaterial.depthBuffer}setDepthTexture(r,e=Ui){this.fullscreenMaterial.depthBuffer=r,this.fullscreenMaterial.depthPacking=e;for(let t of this.effects)t.setDepthTexture(r,e)}render(r,e,t,i,n){for(let s of this.effects)s.update(r,e,i);if(!this.skipRendering||this.renderToScreen){let s=this.fullscreenMaterial;s.inputBuffer=e.texture,s.time+=i*this.timeScale,r.setRenderTarget(this.renderToScreen?null:t),r.render(this.scene,this.camera)}}setSize(r,e){this.fullscreenMaterial.setSize(r,e);for(let t of this.effects)t.setSize(r,e)}initialize(r,e,t){this.renderer=r;for(let i of this.effects)i.initialize(r,e,t);this.updateMaterial(),t!==void 0&&t!==bt&&(this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH="1")}dispose(){super.dispose();for(let r of this.effects)r.removeEventListener("change",this.listener),r.dispose()}handleEvent(r){switch(r.type){case"change":this.recompile();break}}};var aT=[new Float32Array(3),new Float32Array(3)],oT=[new Float32Array(3),new Float32Array(3),new Float32Array(3),new Float32Array(3)],lT=[[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([0,1,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([0,1,1]),new Float32Array([1,1,1])]];var cT=[new Float32Array(2),new Float32Array(2)];var hT=new Float32Array([0,-.25,.25,-.125,.125,-.375,.375]),uT=[new Float32Array([0,0]),new Float32Array([.25,-.25]),new Float32Array([-.25,.25]),new Float32Array([.125,-.125]),new Float32Array([-.125,.125])],dT=[new Uint8Array([0,0]),new Uint8Array([3,0]),new Uint8Array([0,3]),new Uint8Array([3,3]),new Uint8Array([1,0]),new Uint8Array([4,0]),new Uint8Array([1,3]),new Uint8Array([4,3]),new Uint8Array([0,1]),new Uint8Array([3,1]),new Uint8Array([0,4]),new Uint8Array([3,4]),new Uint8Array([1,1]),new Uint8Array([4,1]),new Uint8Array([1,4]),new Uint8Array([4,4])],fT=[new Uint8Array([0,0]),new Uint8Array([1,0]),new Uint8Array([0,2]),new Uint8Array([1,2]),new Uint8Array([2,0]),new Uint8Array([3,0]),new Uint8Array([2,2]),new Uint8Array([3,2]),new Uint8Array([0,1]),new Uint8Array([1,1]),new Uint8Array([0,3]),new Uint8Array([1,3]),new Uint8Array([2,1]),new Uint8Array([3,1]),new Uint8Array([2,3]),new Uint8Array([3,3])];var pT=new Map([[ri(0,0,0,0),new Float32Array([0,0,0,0])],[ri(0,0,0,1),new Float32Array([0,0,0,1])],[ri(0,0,1,0),new Float32Array([0,0,1,0])],[ri(0,0,1,1),new Float32Array([0,0,1,1])],[ri(0,1,0,0),new Float32Array([0,1,0,0])],[ri(0,1,0,1),new Float32Array([0,1,0,1])],[ri(0,1,1,0),new Float32Array([0,1,1,0])],[ri(0,1,1,1),new Float32Array([0,1,1,1])],[ri(1,0,0,0),new Float32Array([1,0,0,0])],[ri(1,0,0,1),new Float32Array([1,0,0,1])],[ri(1,0,1,0),new Float32Array([1,0,1,0])],[ri(1,0,1,1),new Float32Array([1,0,1,1])],[ri(1,1,0,0),new Float32Array([1,1,0,0])],[ri(1,1,0,1),new Float32Array([1,1,0,1])],[ri(1,1,1,0),new Float32Array([1,1,1,0])],[ri(1,1,1,1),new Float32Array([1,1,1,1])]]);function bf(r,e,t){return r+(e-r)*t}function ri(r,e,t,i){let n=bf(r,e,1-.25),s=bf(t,i,1-.25);return bf(n,s,1-.125)}function cv(){return` + uniform sampler2D tex; + + in vec3 vColor; void main() { - gl_FragColor = vec4(vColor, 1.0) * texture2D(texture, gl_PointCoord); + gl_FragColor = vec4(vColor, 1.0) * texture(tex, gl_PointCoord); } - `}function Zp(){return` - attribute vec3 fuzzColor; - attribute vec3 origin; - varying vec3 vColor; - - attribute float size; - - attribute float a; - attribute float e; - attribute float i; - attribute float om; - attribute float wBar; - attribute float M; + `}function hv(){return` + in vec3 fuzzColor; + in vec3 origin; + + in float visible; + in float size; + + in float a; + in float e; + in float i; + in float om; + in float wBar; + in float M; // Perihelion distance - attribute float q; + in float q; // CPU-computed term for parabolic orbits - attribute float a0; - - // COSH Function (Hyperbolic Cosine) - float cosh(float val) { - float tmp = exp(val); - float cosH = (tmp + 1.0 / tmp) / 2.0; - return cosH; - } + in float a0; - // TANH Function (Hyperbolic Tangent) - float tanh(float val) { - float tmp = exp(val); - float tanH = (tmp - 1.0 / tmp) / (tmp + 1.0 / tmp); - return tanH; - } - - // SINH Function (Hyperbolic Sine) - float sinh(float val) { - float tmp = exp(val); - float sinH = (tmp - 1.0 / tmp) / 2.0; - return sinH; - } + out vec3 vColor; // Cube root helper that assumes param is positive float cbrt(float x) { @@ -3347,7 +4007,7 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv float F = F0; float v = 2.0 * atan(sqrt((e + 1.0) / (e - 1.0))) * tanh(F / 2.0); - float r = ${au().toFixed(1)} * (a * (1.0 - e * e)) / (1.0 + e * cos(v)); + float r = ${pf().toFixed(1)} * (a * (1.0 - e * e)) / (1.0 + e * cos(v)); // Compute heliocentric coords. float i_rad = i; @@ -3384,7 +4044,7 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv float v = 2.0 * atan(sqrt((1.0+e)/(1.0-e)) * tan(E/2.0)); // Compute radius vector. - float r = ${au().toFixed(1)} * a * (1.0 - e * e) / (1.0 + e * cos(v)); + float r = ${pf().toFixed(1)} * a * (1.0 - e * e) / (1.0 + e * cos(v)); // Compute heliocentric coords. float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad)); @@ -3407,19 +4067,19 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv vec3 newpos = getPos() + origin; vec4 mvPosition = modelViewMatrix * vec4(newpos, 1.0); + gl_PointSize = visible > 0.5 ? size : 0.0; gl_Position = projectionMatrix * mvPosition; - gl_PointSize = size; } - `}var qo=` - varying vec3 vColor; - + `}var vh=` + in vec3 vColor; + void main() { float a = 1.0 - 2.0 * length(gl_PointCoord - vec2(0.5, 0.5)); gl_FragColor = vec4(vColor, a); } -`,Zo=` - attribute float size; - varying vec3 vColor; +`,xh=` + in float size; + out vec3 vColor; void main() { vColor = color; @@ -3427,15 +4087,15 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv gl_PointSize = size; gl_Position = projectionMatrix * mvPosition; } -`;var Jp=` +`;var uv=` uniform vec3 lightPos; - varying vec2 vUv; - varying vec3 vecPos; - varying vec3 vecNormal; + out vec2 vUv; + out vec3 vecPos; + out vec3 vecNormal; //varying vec3 vNormal; - varying vec3 vViewLightPos; + out vec3 vViewLightPos; void main() { //vNormal = normalize(normalMatrix * normal); @@ -3452,15 +4112,15 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz; gl_Position = projectionMatrix * vec4(vecPos, 1.0); } -`,Kp=` +`,dv=` uniform float c; uniform float p; uniform vec3 color; - varying vec2 vUv; - varying vec3 vecPos; - varying vec3 vecNormal; - varying vec3 vViewLightPos; + in vec2 vUv; + in vec3 vecPos; + in vec3 vecNormal; + in vec3 vViewLightPos; void main() { float intensity = pow(c - dot(vecNormal, vec3(0.0, 0.0, 1.0)), p); @@ -3473,13 +4133,13 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv gl_FragColor = vec4(color, 1.0) * intensity * addedLights; } -`,$p=` +`,fv=` uniform vec3 lightPos; - varying vec2 vUv; - varying vec3 vViewPosition; - varying vec3 vViewLightPos; - varying vec3 vNormal; + out vec2 vUv; + out vec3 vNormal; + out vec3 vViewPosition; + out vec3 vViewLightPos; void main() { vUv = uv; @@ -3490,24 +4150,24 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv gl_Position = projectionMatrix * vViewPosition4; } -`,em=` - uniform sampler2D sphereTexture; +`,pv=` + uniform sampler2D sphereTex; - varying vec2 vUv; - varying vec3 vNormal; - varying vec3 vViewPosition; - varying vec3 vViewLightPos; + in vec2 vUv; + in vec3 vNormal; + in vec3 vViewPosition; + in vec3 vViewLightPos; void main() { vec3 normal = normalize(vNormal); vec3 lightDir = normalize(vViewLightPos - vViewPosition); float lambertian = max(dot(normal, lightDir), 0.0); - gl_FragColor = texture2D(sphereTexture, vUv) * vec4(vec3(1.0) * lambertian, 1.0); + gl_FragColor = texture(sphereTex, vUv) * vec4(vec3(1.0) * lambertian, 1.0); } -`,tm=` - varying vec3 vPos; - varying vec3 vWorldPosition; - varying vec3 vNormal; +`,mv=` + out vec3 vPos; + out vec3 vWorldPosition; + out vec3 vNormal; void main() { vPos = position; @@ -3517,15 +4177,15 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv vNormal = normalMatrix * normal; vWorldPosition = worldPosition.xyz; } -`,nm=` - uniform sampler2D ringTexture; +`,gv=` + uniform sampler2D ringTex; uniform float innerRadius; uniform float outerRadius; uniform vec3 lightPos; - varying vec3 vNormal; - varying vec3 vPos; - varying vec3 vWorldPosition; + in vec3 vNormal; + in vec3 vPos; + in vec3 vWorldPosition; vec4 color() { vec2 uv = vec2(0); @@ -3534,7 +4194,7 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv discard; } - vec4 pixel = texture2D(ringTexture, uv); + vec4 pixel = texture(ringTex, uv); return pixel; } @@ -3570,20 +4230,20 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv // https://github.com/typpo/spacekit/issues/22 gl_FragColor = vec4(lights() * shadow(), 1.0) * color(); } -`;var QA=4096;function im(r,e){let t=e-r.get("epoch");return r.get("ma")+r.get("n")*t}var qA=.01720209895;function rm(r,e){let t=r.get("tp"),n=r.get("e"),i=r.get("q"),s=e-t;return .75*s*qA*Math.sqrt((1+n)/(i*i*i))}var fs=class{constructor(e,t){if(this.options=e,this.id=`KeplerParticles__${fs.instanceCount}`,this.simulation=t,this.context=t.getContext(),this.addedToScene=!1,this.particleCount=0,!this.options.textureUrl)throw new Error("ParticleSystem requires textureUrl to be set");let n=Cp(this.options.textureUrl,this.context.options.basePath);this.uniforms={texture:{value:n}};let i=this.options.maxNumParticles||QA;this.elements=[],this.attributes={size:new pe(new Float32Array(i),1),origin:new pe(new Float32Array(i*3),3),position:new pe(new Float32Array(i*3),3),fuzzColor:new pe(new Float32Array(i*3),3),a:new pe(new Float32Array(i),1),e:new pe(new Float32Array(i),1),i:new pe(new Float32Array(i),1),om:new pe(new Float32Array(i),1),ma:new pe(new Float32Array(i),1),n:new pe(new Float32Array(i),1),w:new pe(new Float32Array(i),1),wBar:new pe(new Float32Array(i),1),q:new pe(new Float32Array(i),1),M:new pe(new Float32Array(i),1),a0:new pe(new Float32Array(i),1)},this.attributes.M.setUsage(In),this.attributes.a0.setUsage(In);let s=new de;s.setDrawRange(0,0),Object.keys(this.attributes).forEach(o=>{let l=this.attributes[o];s.setAttribute(o,l)});let a=new Ye({uniforms:this.uniforms,vertexShader:Zp(),fragmentShader:qp(),depthTest:!0,depthWrite:!1,transparent:!0});this.shaderMaterial=a,this.geometry=s,this.particleSystem=new Ot(s,a)}addParticle(e,t={}){this.elements.push(e);let n=this.attributes,i=this.particleCount++;n.size.set([t.particleSize||this.options.defaultSize||15],i);let s=new $(t.color||16777215);n.fuzzColor.set([s.r,s.g,s.b],i*3),n.origin.set([0,0,0],i*3),n.a.set([e.get("a")],i),n.e.set([e.get("e")],i),n.i.set([e.get("i","rad")],i),n.om.set([e.get("om","rad")],i),n.wBar.set([e.get("wBar","rad")],i),n.q.set([e.get("q")],i),yi.getOrbitType(e)===St.PARABOLIC?n.a0.set([rm(e,this.options.jd||0)],i):n.M.set([im(e,this.options.jd||0)],i);for(let a in n)n.hasOwnProperty(a)&&(n[a].needsUpdate=!0);return this.geometry.setDrawRange(0,this.particleCount),!this.addedToScene&&this.simulation&&(this.simulation.addObject(this),this.addedToScene=!0),i}hideParticle(e){let t=this.attributes;t.size.set([0],e);for(let n in t)t.hasOwnProperty(n)&&(t[n].needsUpdate=!0)}setParticleSize(e,t){let n=this.attributes;n.size.set([e],t);for(let i in n)n.hasOwnProperty(i)&&(n[i].needsUpdate=!0)}setParticleColor(e,t){let n=this.attributes,{r:i,g:s,b:a}=new $(e);n.fuzzColor.set([i,s,a],t*3);for(let o in n)n.hasOwnProperty(o)&&(n[o].needsUpdate=!0)}setParticleOrigin(e,t){this.attributes.origin.set(t,e*3),this.attributes.origin.needsUpdate=!0}update(e){let t=[],n=[];for(let i=0;i0?s[s.length-1]:"",smooth:a!==void 0?a.smooth:this.smooth,groupStart:a!==void 0?a.groupEnd:0,groupEnd:-1,groupCount:-1,inherited:!1,clone:function(l){let c={index:typeof l=="number"?l:this.index,name:this.name,mtllib:this.mtllib,smooth:this.smooth,groupStart:0,groupEnd:-1,groupCount:-1,inherited:!1};return c.clone=this.clone.bind(c),c}};return this.materials.push(o),o},currentMaterial:function(){if(this.materials.length>0)return this.materials[this.materials.length-1]},_finalize:function(i){let s=this.currentMaterial();if(s&&s.groupEnd===-1&&(s.groupEnd=this.geometry.vertices.length/3,s.groupCount=s.groupEnd-s.groupStart,s.inherited=!1),i&&this.materials.length>1)for(let a=this.materials.length-1;a>=0;a--)this.materials[a].groupCount<=0&&this.materials.splice(a,1);return i&&this.materials.length===0&&this.materials.push({name:"",smooth:this.smooth}),s}},n&&n.name&&typeof n.clone=="function"){let i=n.clone(0);i.inherited=!0,this.object.materials.push(i)}this.objects.push(this.object)},finalize:function(){this.object&&typeof this.object._finalize=="function"&&this.object._finalize(!0)},parseVertexIndex:function(e,t){let n=parseInt(e,10);return(n>=0?n-1:n+t/3)*3},parseNormalIndex:function(e,t){let n=parseInt(e,10);return(n>=0?n-1:n+t/3)*3},parseUVIndex:function(e,t){let n=parseInt(e,10);return(n>=0?n-1:n+t/2)*2},addVertex:function(e,t,n){let i=this.vertices,s=this.object.geometry.vertices;s.push(i[e+0],i[e+1],i[e+2]),s.push(i[t+0],i[t+1],i[t+2]),s.push(i[n+0],i[n+1],i[n+2])},addVertexPoint:function(e){let t=this.vertices;this.object.geometry.vertices.push(t[e+0],t[e+1],t[e+2])},addVertexLine:function(e){let t=this.vertices;this.object.geometry.vertices.push(t[e+0],t[e+1],t[e+2])},addNormal:function(e,t,n){let i=this.normals,s=this.object.geometry.normals;s.push(i[e+0],i[e+1],i[e+2]),s.push(i[t+0],i[t+1],i[t+2]),s.push(i[n+0],i[n+1],i[n+2])},addFaceNormal:function(e,t,n){let i=this.vertices,s=this.object.geometry.normals;sm.fromArray(i,e),vu.fromArray(i,t),am.fromArray(i,n),nn.subVectors(am,vu),om.subVectors(sm,vu),nn.cross(om),nn.normalize(),s.push(nn.x,nn.y,nn.z),s.push(nn.x,nn.y,nn.z),s.push(nn.x,nn.y,nn.z)},addColor:function(e,t,n){let i=this.colors,s=this.object.geometry.colors;i[e]!==void 0&&s.push(i[e+0],i[e+1],i[e+2]),i[t]!==void 0&&s.push(i[t+0],i[t+1],i[t+2]),i[n]!==void 0&&s.push(i[n+0],i[n+1],i[n+2])},addUV:function(e,t,n){let i=this.uvs,s=this.object.geometry.uvs;s.push(i[e+0],i[e+1]),s.push(i[t+0],i[t+1]),s.push(i[n+0],i[n+1])},addDefaultUV:function(){let e=this.object.geometry.uvs;e.push(0,0),e.push(0,0),e.push(0,0)},addUVLine:function(e){let t=this.uvs;this.object.geometry.uvs.push(t[e+0],t[e+1])},addFace:function(e,t,n,i,s,a,o,l,c){let u=this.vertices.length,h=this.parseVertexIndex(e,u),d=this.parseVertexIndex(t,u),f=this.parseVertexIndex(n,u);if(this.addVertex(h,d,f),this.addColor(h,d,f),o!==void 0&&o!==""){let p=this.normals.length;h=this.parseNormalIndex(o,p),d=this.parseNormalIndex(l,p),f=this.parseNormalIndex(c,p),this.addNormal(h,d,f)}else this.addFaceNormal(h,d,f);if(i!==void 0&&i!==""){let p=this.uvs.length;h=this.parseUVIndex(i,p),d=this.parseUVIndex(s,p),f=this.parseUVIndex(a,p),this.addUV(h,d,f),this.object.geometry.hasUVIndices=!0}else this.addDefaultUV()},addPointGeometry:function(e){this.object.geometry.type="Points";let t=this.vertices.length;for(let n=0,i=e.length;n{let l=this.attributes[o];s.setAttribute(o,l)}),s.boundingSphere=new Bt(new b(0,0,0),1/0);let a=new Ke({uniforms:this.uniforms,vertexShader:hv(),fragmentShader:cv(),depthTest:!0,depthWrite:!1,transparent:!0});this.shaderMaterial=a,this.geometry=s,this.particleSystem=new gi(s,a),this.particleSystem.name=this.id}addParticle(e,t={}){this.elements.push(e);let i=this.attributes,n=this.particleCount++;i.visible.set([1],n),i.size.set([t.particleSize||this.options.defaultSize||15],n);let s=new re(t.color||16777215);i.fuzzColor.set([s.r,s.g,s.b],n*3),i.origin.set([0,0,0],n*3),i.a.set([e.get("a")],n),i.e.set([e.get("e")],n),i.i.set([e.get("i","rad")],n),i.om.set([e.get("om","rad")],n),i.wBar.set([e.get("wBar","rad")],n),i.q.set([e.get("q")],n),sr.getOrbitType(e)===Ut.PARABOLIC?i.a0.set([xv(e,this.options.jd||0)],n):i.M.set([vv(e,this.options.jd||0)],n);for(let a in i)i.hasOwnProperty(a)&&(i[a].needsUpdate=!0);return this.geometry.setDrawRange(0,this.particleCount),!this.addedToScene&&this.simulation&&(this.simulation.addObject(this),this.addedToScene=!0),n}hideParticle(e){this.setParticleVisibility(!1,e)}showParticle(e){this.setParticleVisibility(!0,e)}isParticleVisible(e){return e>=0&&e.5}setParticleVisibility(e,t){let i=this.attributes;i.visible.set([e?1:0],t);for(let n in i)i.hasOwnProperty(n)&&(i[n].needsUpdate=!0)}isVisible(){return this.particleCount>0&&this.particleSystem.visible&&this.attributes.visible.array.slice(0,this.particleCount).some(e=>e>.5)}setVisibility(e){this.particleSystem.visible=e}setParticleSize(e,t){let i=this.attributes;i.size.set([e],t);for(let n in i)i.hasOwnProperty(n)&&(i[n].needsUpdate=!0)}setParticleColor(e,t){let i=this.attributes,{r:n,g:s,b:a}=new re(e);i.fuzzColor.set([n,s,a],t*3);for(let o in i)i.hasOwnProperty(o)&&(i[o].needsUpdate=!0)}setParticleOrigin(e,t){this.attributes.origin.set(t,e*3),this.attributes.origin.needsUpdate=!0}update(e){let t=[],i=[],n=0;for(let s=0;s0?s[s.length-1]:"",smooth:a!==void 0?a.smooth:this.smooth,groupStart:a!==void 0?a.groupEnd:0,groupEnd:-1,groupCount:-1,inherited:!1,clone:function(l){let c={index:typeof l=="number"?l:this.index,name:this.name,mtllib:this.mtllib,smooth:this.smooth,groupStart:0,groupEnd:-1,groupCount:-1,inherited:!1};return c.clone=this.clone.bind(c),c}};return this.materials.push(o),o},currentMaterial:function(){if(this.materials.length>0)return this.materials[this.materials.length-1]},_finalize:function(n){let s=this.currentMaterial();if(s&&s.groupEnd===-1&&(s.groupEnd=this.geometry.vertices.length/3,s.groupCount=s.groupEnd-s.groupStart,s.inherited=!1),n&&this.materials.length>1)for(let a=this.materials.length-1;a>=0;a--)this.materials[a].groupCount<=0&&this.materials.splice(a,1);return n&&this.materials.length===0&&this.materials.push({name:"",smooth:this.smooth}),s}},i&&i.name&&typeof i.clone=="function"){let n=i.clone(0);n.inherited=!0,this.object.materials.push(n)}this.objects.push(this.object)},finalize:function(){this.object&&typeof this.object._finalize=="function"&&this.object._finalize(!0)},parseVertexIndex:function(e,t){let i=parseInt(e,10);return(i>=0?i-1:i+t/3)*3},parseNormalIndex:function(e,t){let i=parseInt(e,10);return(i>=0?i-1:i+t/3)*3},parseUVIndex:function(e,t){let i=parseInt(e,10);return(i>=0?i-1:i+t/2)*2},addVertex:function(e,t,i){let n=this.vertices,s=this.object.geometry.vertices;s.push(n[e+0],n[e+1],n[e+2]),s.push(n[t+0],n[t+1],n[t+2]),s.push(n[i+0],n[i+1],n[i+2])},addVertexPoint:function(e){let t=this.vertices;this.object.geometry.vertices.push(t[e+0],t[e+1],t[e+2])},addVertexLine:function(e){let t=this.vertices;this.object.geometry.vertices.push(t[e+0],t[e+1],t[e+2])},addNormal:function(e,t,i){let n=this.normals,s=this.object.geometry.normals;s.push(n[e+0],n[e+1],n[e+2]),s.push(n[t+0],n[t+1],n[t+2]),s.push(n[i+0],n[i+1],n[i+2])},addFaceNormal:function(e,t,i){let n=this.vertices,s=this.object.geometry.normals;yv.fromArray(n,e),Tf.fromArray(n,t),Av.fromArray(n,i),Gi.subVectors(Av,Tf),Sv.subVectors(yv,Tf),Gi.cross(Sv),Gi.normalize(),s.push(Gi.x,Gi.y,Gi.z),s.push(Gi.x,Gi.y,Gi.z),s.push(Gi.x,Gi.y,Gi.z)},addColor:function(e,t,i){let n=this.colors,s=this.object.geometry.colors;n[e]!==void 0&&s.push(n[e+0],n[e+1],n[e+2]),n[t]!==void 0&&s.push(n[t+0],n[t+1],n[t+2]),n[i]!==void 0&&s.push(n[i+0],n[i+1],n[i+2])},addUV:function(e,t,i){let n=this.uvs,s=this.object.geometry.uvs;s.push(n[e+0],n[e+1]),s.push(n[t+0],n[t+1]),s.push(n[i+0],n[i+1])},addDefaultUV:function(){let e=this.object.geometry.uvs;e.push(0,0),e.push(0,0),e.push(0,0)},addUVLine:function(e){let t=this.uvs;this.object.geometry.uvs.push(t[e+0],t[e+1])},addFace:function(e,t,i,n,s,a,o,l,c){let h=this.vertices.length,u=this.parseVertexIndex(e,h),d=this.parseVertexIndex(t,h),f=this.parseVertexIndex(i,h);if(this.addVertex(u,d,f),this.addColor(u,d,f),o!==void 0&&o!==""){let m=this.normals.length;u=this.parseNormalIndex(o,m),d=this.parseNormalIndex(l,m),f=this.parseNormalIndex(c,m),this.addNormal(u,d,f)}else this.addFaceNormal(u,d,f);if(n!==void 0&&n!==""){let m=this.uvs.length;u=this.parseUVIndex(n,m),d=this.parseUVIndex(s,m),f=this.parseUVIndex(a,m),this.addUV(u,d,f),this.object.geometry.hasUVIndices=!0}else this.addDefaultUV()},addPointGeometry:function(e){this.object.geometry.type="Points";let t=this.vertices.length;for(let i=0,n=e.length;i=7?t.colors.push(parseFloat(f[4]),parseFloat(f[5]),parseFloat(f[6])):t.colors.push(void 0,void 0,void 0);break;case"vn":t.normals.push(parseFloat(f[1]),parseFloat(f[2]),parseFloat(f[3]));break;case"vt":t.uvs.push(parseFloat(f[1]),parseFloat(f[2]));break}}else if(s==="f"){let p=i.substr(1).trim().split(/\s+/),v=[];for(let g=0,m=p.length;g0){let y=b.split("/");v.push(y)}}let x=v[0];for(let g=1,m=v.length-1;g1){let p=o[1].trim().toLowerCase();t.object.smooth=p!=="0"&&p!=="off"}else t.object.smooth=!0;let f=t.object.currentMaterial();f&&(f.smooth=t.object.smooth)}else{if(i==="\0")continue;console.warn('THREE.OBJLoader: Unexpected line: "'+i+'"')}t.finalize();let c=new En;if(c.materialLibraries=[].concat(t.materialLibraries),!(t.objects.length===1&&t.objects[0].geometry.vertices.length===0)===!0)for(let h=0,d=t.objects.length;h0&&b.setAttribute("normal",new ce(p.normals,3)),p.colors.length>0&&(m=!0,b.setAttribute("color",new ce(p.colors,3))),p.hasUVIndices===!0&&b.setAttribute("uv",new ce(p.uvs,2));let y=[];for(let _=0,w=v.length;_1){for(let _=0,w=v.length;_0){let h=new Xt({size:1,sizeAttenuation:!1}),d=new de;d.setAttribute("position",new ce(t.vertices,3)),t.colors.length>0&&t.colors[0]!==void 0&&(d.setAttribute("color",new ce(t.colors,3)),h.vertexColors=!0);let f=new Ot(d,h);c.add(f)}return c}};var tE=30;function nE(r,e,t){let n=new A(r[0],r[1],r[2]);return n.project(e),{x:(n.x+1)*t.clientWidth/2,y:(-n.y+1)*t.clientHeight/2}}var fa=class{constructor(e,t,n,i=!0){this._id=e,this._options=t||{},this._object3js=void 0,this._useEphemTable=this._options.ephemTable!==void 0,this._isStaticObject=!this._options.ephem&&!this._useEphemTable,this._simulation=n,this._context=n.getContext(),this._label=void 0,this._showLabel=!1,this._lastLabelUpdate=0,this._position=gn(this._options.position||[0,0,0]),this._orbitAround=void 0,this._scale=this._options.scale||[1,1,1],this._renderMethod=void 0,this._particleIndex=void 0,this._initialized=!1,i&&!this.init()&&console.warn(`SpaceObject ${e}: failed to initialize`)}init(){if(this.renderObject(),this._options.labelText){let e=this.createLabel();this._simulation.getSimulationElement().appendChild(e),this._label=e,this._showLabel=!0}return this._orbitPath=void 0,this._eclipticLines=void 0,this.update(this._simulation.getJd(),!0),this._initialized=!0,!0}setPositionedObject(e){this._object3js=e}renderObject(){if(this.isStaticObject())this._renderMethod||(this._object3js=this.createSprite(),this._simulation&&this._simulation.addObject(this,!1),this._renderMethod="SPRITE");else if(this._orbit=this.createOrbit(),!this._options.hideOrbit&&this._simulation&&this._simulation.addObject(this,!1),this._useEphemTable&&(this._renderMethod||(this._object3js=this.createSprite(),this._simulation&&this._simulation.addObject(this,!0),this._renderMethod="SPRITE")),!this._renderMethod){if(!this._options.ephem)throw new Error("Attempting to create a particle system, but ephemeris are not available.");this._particleIndex=this._context.objects.particles.addParticle(this._options.ephem,{particleSize:this._options.particleSize,color:this.getColor()}),this._renderMethod="PARTICLESYSTEM"}}createLabel(){let e=document.createElement("div");e.className="spacekit__object-label";let{labelText:t,labelUrl:n}=this._options;return this._options.labelUrl?e.innerHTML=``:e.innerHTML=`
${t}
`,e.style.fontFamily="Arial",e.style.fontSize="12px",e.style.color="#fff",e.style.position="absolute",e.style.backgroundColor="#0009",e.style.outline="1px solid #5f5f5f",e}updateLabelPosition(e){if(!this._label)throw new Error("Attempted to update label position without a label");let t=this._label,n=this._simulation.getSimulationElement(),i=nE(e,this._simulation.getViewer().get3jsCamera(),n),s={left:i.x,top:i.y,right:i.x+t.clientWidth,bottom:i.y+t.clientHeight};s.left-30>0&&s.right+200&&s.bottomtE;(t||this._showLabel&&u)&&(n||(n=this.getPosition(e)),this.updateLabelPosition(n),this._lastLabelUpdate=+new Date)}if(this.isStaticObject()&&!t)return;let i=!1;(this._object3js||this._label)&&(i=t||this.shouldUpdateObjectPosition(e)),this._object3js&&i&&(n=this.getPosition(e),this._object3js.position.set(n[0],n[1],n[2]));let s=!this._orbitPath||((o=this._orbit)==null?void 0:o.needsUpdateForTime(e));this._orbit&&!this._options.hideOrbit&&s&&(this._orbitPath&&this._simulation.getScene().remove(this._orbitPath),this._orbitPath=this._orbit.getOrbitShape(e,!0),this._simulation.getScene().add(this._orbitPath));let a=!this._eclipticLines||s;if(this._orbit&&this._options.ecliptic&&this._options.ecliptic.displayLines&&a&&(this._eclipticLines&&this._simulation.getScene().remove(this._eclipticLines),this._eclipticLines=this._orbit.getLinesToEcliptic(),this._simulation.getScene().add(this._eclipticLines)),this._orbitAround){let u=this._orbitAround.getPosition(e);this._renderMethod==="PARTICLESYSTEM"&&((l=this._context.objects.particles)==null||l.setParticleOrigin(this._particleIndex,u)),this._options.hideOrbit||(c=this._orbitPath)==null||c.position.set(u[0],u[1],u[2]),n||(n=this.getPosition(e))}}get3jsObjects(){let e=[];return this._object3js&&e.push(this._object3js),this._orbit&&(this._orbitPath&&e.push(this._orbitPath),this._eclipticLines&&e.push(this._eclipticLines)),e}getBoundingObject(){return qt(this,null,function*(){return Promise.resolve(this.get3jsObjects()[0])})}getColor(){return this._options.theme&&this._options.theme.color||16777215}getOrbit(){return this._orbit}getLabelVisibility(){return this._showLabel}setLabelVisibility(e){if(!this._label)throw new Error("Attempted to set label visibility without a label");e?(this._showLabel=!0,this._label.style.display="block"):(this._showLabel=!1,this._label.style.display="none")}getId(){return this._id}isStaticObject(){return this._isStaticObject}isReady(){return this._initialized}removalCleanup(){var e;this._label&&(this._simulation.getSimulationElement().removeChild(this._label),this._label=void 0),this._particleIndex!==void 0&&((e=this._context)==null||e.objects.particles.hideParticle(this._particleIndex))}},Dn="{{assets}}/sprites/smallparticle.png",HM={SUN:{textureUrl:"{{assets}}/sprites/lensflare0.png",position:[0,0,0]},MERCURY:{textureUrl:Dn,theme:{color:9518318},ephem:yn.MERCURY},VENUS:{textureUrl:Dn,theme:{color:16742195},ephem:yn.VENUS},EARTH:{textureUrl:Dn,theme:{color:39629},ephem:yn.EARTH},MOON:{textureUrl:Dn,theme:{color:16766720},ephem:yn.MOON,particleSize:6},MARS:{textureUrl:Dn,theme:{color:10893882},ephem:yn.MARS},JUPITER:{textureUrl:Dn,theme:{color:16759055},ephem:yn.JUPITER},SATURN:{textureUrl:Dn,theme:{color:3368499},ephem:yn.SATURN},URANUS:{textureUrl:Dn,theme:{color:39423},ephem:yn.URANUS},NEPTUNE:{textureUrl:Dn,theme:{color:3355647},ephem:yn.NEPTUNE},PLUTO:{textureUrl:Dn,theme:{color:13418672},ephem:yn.PLUTO}};function yu(r,e,t){let n=new Ke({linewidth:3,color:t}),i=new de().setFromPoints([lu(r).clone(),lu(e).clone()]),s=new kt(i,n);return s.computeLineDistances(),s}function iE(){return[yu(new A(0,0,0),new A(3,0,0),16711680),yu(new A(0,0,0),new A(0,3,0),65280),yu(new A(0,0,0),new A(0,0,3),255)]}var pa=class extends fa{constructor(e,t,n,i=!0){super(e,t,n,!1);this._obj=new _e,this._renderMethod="ROTATING_OBJECT",super.setPositionedObject(this._obj),this._objectIsRotatable=!1,this._options.rotation&&(this._objectIsRotatable=!0),this._axisOfRotation=void 0,this._materials=[],i&&this.init()}init(){if(this._objectIsRotatable&&this.initRotation(),this._options.debug&&(this._options.debug.showAxes&&iE().forEach(e=>this._obj.add(e)),this._options.debug.showGrid)){let e=new ar(3,3,16711680,16772846);e.geometry.rotateX(Math.PI/2),this._obj.add(e)}return super.init()}initRotation(){if(!this._options.rotation)throw new Error("Must specify `rotation` option when creating a RotatingObject");let{rotation:e}=this._options;if(typeof e.jd0=="undefined")return;let{PI:t}=Math,n=st.rad(e.lambdaDeg||0),i=st.rad(e.betaDeg||0),s=e.period,a=e.yorp||0,o=st.rad(e.phi0||0),l=this._simulation.getJd(),c=e.jd0,u=o+2*t/s*(l-c)+1/2*a*Math.pow(l-c,2);this._obj.rotateY(-(t/2-i)),this._obj.rotateZ(-n),this._obj.rotateZ(u)}update(e,t=!1){if(this._obj&&this._objectIsRotatable&&this._options.rotation&&this._options.rotation.enable){let n=this._options.rotation.speed||.5;this._obj.rotation.z+=n*(Math.PI/180),this._obj.rotation.z%=360}this._axisOfRotation,super.update(e,t)}get3jsObjects(){let e=super.get3jsObjects();return e.unshift(this._obj),e}startRotation(){if(!this._options.rotation)throw new Error("Must specify `rotation` option when creating a RotatingObject");this._options.rotation.enable=!0}stopRotation(){if(!this._options.rotation)throw new Error("Must specify `rotation` option when creating a RotatingObject");this._options.rotation.enable=!1}};var wu=class extends pa{constructor(e,t,n){super(e,t,n,!1);var s;if(!t.shape)throw new Error("ShapeObject requires an options.shape object");if(!((s=t.shape)==null?void 0:s.shapeUrl))throw new Error("Must specify shape.shapeUrl when creating a ShapeObject");this.shapeObj=void 0;let i=new ss;i.onProgress=(a,o,l)=>{console.info(this._id,a,"loading progress:",o,"/",l)},this.loadingPromise=new Promise(a=>{new xu(i).load(t.shape.shapeUrl,l=>{l.traverse(c=>{if(c instanceof ze){let u=new Ji({color:this._options.shape.color||13421772});c.material=u,c.geometry.scale(.05,.05,.05),this._materials.push(u)}}),this.shapeObj=l,this._obj.add(l),this._simulation&&this._simulation.addObject(this,!1),this._initialized=!0,a(this.shapeObj)})}),super.init()}getBoundingObject(){return qt(this,null,function*(){return this.loadingPromise})}};var bu=class{constructor(e,t){this.options=e,this.id=`__skybox_${new Date().getTime()}`,this.simulation=t,this.context=t.getContext(),this.mesh=void 0,this.init()}init(){let e=new Kt(1e10,32,32),t=ha(this.options.textureUrl,this.context.options.basePath),n=new en().load(t),i=new zt({map:n,side:Qe}),s=new ze(e,i);s.rotation.x=0,s.rotation.y=-1/12*Math.PI,s.rotation.z=8/5*Math.PI,s.scale.set(-1,1,1),this.mesh=s,this.simulation&&this.simulation.addObject(this,!0)}get3jsObjects(){return this.mesh?[this.mesh]:[]}getId(){return this.id}update(){}},KM={ESO_GIGAGALAXY:{textureUrl:"{{assets}}/skybox/eso_milkyway.jpg"},ESO_LITE:{textureUrl:"{{assets}}/skybox/eso_lite.png"},NASA_TYCHO:{textureUrl:"{{assets}}/skybox/nasa_tycho.jpg"}};var Au=class extends pa{constructor(e,t,n){super(e,t,n,!1);this.init()}init(){var s;let e=null;this._options.textureUrl&&(e=new en().load(this._options.textureUrl));let t=new Gr,n=this._options.levelsOfDetail||[{radii:0,segments:64}],i=this.getScaledRadius();for(let a=0;a=3e4?9614847:r>=1e4?10666239:r>=7500?14016767:r>=6e3?16381439:r>=5200?16772579:r>=3700?16767669:(r>=2400,16758124)}function oE(r,e){return r<2?e*4:r<4?e*2:r<6?e:1}var Jo=class{constructor(e,t){this._options=e,this._id=`__stars_${new Date().getTime()}`,this._simulation=t,this._context=t.getContext(),this._stars=void 0,this.init()}init(){let e=ua("{{data}}/processed/bsc.json",this._context.options.basePath);fetch(e).then(t=>t.json()).then(t=>{let n=t.length,i=new de,s=new Float32Array(n*3),a=new Float32Array(n*3),o=new Float32Array(n);i.setAttribute("position",new pe(s,3)),i.setAttribute("color",new pe(a,3)),i.setAttribute("size",new pe(o,1)),t.forEach((c,u)=>{let[h,d,f,p]=c,v=st.rad(st.hoursToDeg(h)),x=st.rad(d),g=us.sphericalToCartesian(v,x,1e9),m=us.equatorialToEcliptic_Cartesian(g[0],g[1],g[2],us.getObliquity());s.set(m,u*3);let b=new $(aE(f));a.set(b.toArray(),u*3),o[u]=oE(p,this._options.minSize||3)});let l=new Ye({uniforms:{},vertexColors:!0,vertexShader:Zo,fragmentShader:qo,transparent:!0});this._stars=new Ot(i,l),this._simulation&&this._simulation.addObject(this,!0)})}get3jsObjects(){return this._stars?[this._stars]:[]}getId(){return this._id}update(){}};var lE=class{constructor(e,t){this.simulationElt=e,this.options=t||{},this.options.basePath=this.options.basePath||Dp(),this.jd=typeof this.options.jd=="undefined"?Number((0,Ko.default)(this.options.startDate||new Date)):this.options.jd,this.jdDelta=this.options.jdDelta,this.jdPerSecond=this.options.jdPerSecond||100,this.isPaused=t.startPaused||!1,this.onTick=void 0,this.enableCameraDrift=!1,this.cameraDefaultPos=gn([0,-10,5]),this.options.camera&&(this.enableCameraDrift=!!this.options.camera.enableDrift,this.options.camera.initialPosition&&(this.cameraDefaultPos=gn(this.options.camera.initialPosition))),this.useLightSources=!1,this.lightPosition=void 0,this.subscribedObjects={},_e.DefaultUp=new A(0,0,1),this.options.unitsPerAu&&Tp(this.options.unitsPerAu),this.stats=void 0,this.fps=1,this.lastUpdatedTime=Date.now(),this.lastStaticCameraUpdateTime=Date.now(),this.lastResizeUpdateTime=Date.now(),this.renderEnabled=!0,this.initialRenderComplete=!1,this.animate=this.animate.bind(this),this.renderer=this.initRenderer(),this.scene=new fn,this.camera=new Yo(this.getContext()),this.composer=void 0,this.particles=new fs({textureUrl:this.options.particleTextureUrl||"{{assets}}/sprites/smallparticle.png",jd:this.jd,maxNumParticles:this.options.maxNumParticles,defaultSize:this.options.particleDefaultSize},this),this.init(),this.animate()}init(){if(this.camera.get3jsCamera().position.set(this.cameraDefaultPos[0],this.cameraDefaultPos[1],this.cameraDefaultPos[2]),this.simulationElt.onmousedown=this.simulationElt.ontouchstart=()=>{this.enableCameraDrift=!1},(()=>{let e=!1;this.camera.get3jsCameraControls().addEventListener("change",()=>{e&&this.staticForcedUpdate()}),setTimeout(()=>{this.staticForcedUpdate(),e=!0,this.initialRenderComplete=!0},0)})(),this.simulationElt.addEventListener("resize",()=>{this.resizeUpdate()}),window.addEventListener("resize",()=>{this.resizeUpdate()}),this.options.debug){if(this.options.debug.showGrid){let e=new ar(void 0,void 0);e.geometry.rotateX(Math.PI/2),this.scene.add(e)}this.options.debug.showAxes&&this.scene.add(new la(.5)),this.options.debug.showStats&&(this.stats=new Np,this.stats.showPanel(0),this.simulationElt.appendChild(this.stats.dom))}this.initPasses()}initRenderer(){let e=new ks({antialias:!0});console.info("Max texture resolution:",e.capabilities.maxTextureSize);let t=e.capabilities.getMaxPrecision("highp");return t!=="highp"&&console.warn(`Shader maximum precision is "${t}", GPU rendering may not be accurate.`),e.setPixelRatio(window.devicePixelRatio),e.setSize(this.simulationElt.offsetWidth,this.simulationElt.offsetHeight),this.simulationElt.appendChild(e.domElement),e}initPasses(){let e=this.camera.get3jsCamera(),t=new Qp({width:240,height:240,luminanceThreshold:.2});t.blendMode.opacity.value=2.3;let n=new Wp(this.scene,e);n.renderToScreen=!1;let i=new jp(e,t);i.renderToScreen=!0;let s=new Xp(this.renderer);s.addPass(n),s.addPass(i),this.composer=s}update(e=!1){for(let t in this.subscribedObjects)this.subscribedObjects.hasOwnProperty(t)&&this.subscribedObjects[t].update(this.jd,e)}staticForcedUpdate(){if(this.isPaused){let e=Date.now();e-this.lastStaticCameraUpdateTime>30&&(this.update(!0),this.lastStaticCameraUpdateTime=e)}}resizeUpdate(){let e=Date.now();if(e-this.lastResizeUpdateTime>30){let i=this.simulationElt.offsetWidth,s=this.simulationElt.offsetHeight;if(i===0&&s===0)return;let a=this.camera.get3jsCamera();a.aspect=i/s,a.updateProjectionMatrix(),this.renderer.setSize(i,s),this.staticForcedUpdate(),this.lastResizeUpdateTime=e}}doCameraDrift(){let e=1e-4*Date.now(),t=this.cameraDefaultPos,n=this.camera.get3jsCamera();n.position.x=t[0]+t[0]*(Math.cos(e)+1)/3,n.position.z=t[2]+t[2]*(Math.sin(e)+1)/3}animate(){if(!(!this.renderEnabled&&this.initialRenderComplete)){if(window.requestAnimationFrame(this.animate),this.stats&&this.stats.begin(),!this.isPaused){this.jdDelta?this.jd+=this.jdDelta:this.jd+=this.jdPerSecond/this.fps;let e=(Date.now()-this.lastUpdatedTime)/1e3;this.lastUpdatedTime=Date.now(),this.fps=1/e||1,this.update()}this.enableCameraDrift&&this.doCameraDrift(),this.camera.update(),this.renderer.render(this.scene,this.camera.get3jsCamera()),this.onTick&&this.onTick(),this.stats&&this.stats.end()}}addObject(e,t=!1){if(e.get3jsObjects().map(n=>{this.scene.add(n)}),!t){let n=e.getId();this.subscribedObjects[n]&&console.error(`Object id is not unique: "${n}". This could prevent objects from updating correctly.`),this.subscribedObjects[n]=e}}removeObject(e){e.get3jsObjects().map(t=>{this.scene.remove(t)}),typeof e.removalCleanup=="function"&&e.removalCleanup(),delete this.subscribedObjects[e.getId()]}createObject(...e){return new fa(...e,this)}createShape(...e){return new wu(...e,this)}createSphere(...e){return new Au(...e,this)}createStaticParticles(...e){return new Eu(...e,this)}createSkybox(...e){return new bu(...e,this)}createStars(...e){return e.length?new Jo(...e,this):new Jo({},this)}createAmbientLight(e=3355443){this.scene.add(new ls(e)),this.useLightSources=!0}createLight(e=void 0,t=16777215){this.lightPosition&&console.warn("Spacekit doesn't support more than one light source for SphereObjects"),this.lightPosition=new A;let n=new os;if(typeof e=="undefined")this.camera.get3jsCameraControls().addEventListener("change",()=>{this.lightPosition.copy(this.camera.get3jsCamera().position),n.position.copy(this.camera.get3jsCamera().position)});else{let i=gn(e);this.lightPosition.set(i[0],i[1],i[2]),n.position.set(i[0],i[1],i[2])}this.scene.add(n),this.useLightSources=!0}getLightPosition(){return this.lightPosition}isUsingLightSources(){return this.useLightSources}loadNaturalSatellites(){return new hu(this).load()}renderOnlyInViewport(){let e=!0,t=()=>{let n=this.simulationElt.getBoundingClientRect(),i=window.innerHeight||document.documentElement.clientHeight,s=window.innerWidth||document.documentElement.clientWidth,a=n.top<=i&&n.top+n.height>=0,o=n.left<=s&&n.left+n.width>=0;return a&&o};window.addEventListener("scroll",()=>{let n=t();e&&!n?(this.renderEnabled=!1,e=!1):!e&&n&&(this.renderEnabled=!0,window.requestAnimationFrame(this.animate),e=!0)}),t()||(this.renderEnabled=!1,e=!1)}zoomToFit(e,t=3){return qt(this,null,function*(){let n=e.getOrbit(),i=n?n.getOrbitShape():yield e.getBoundingObject();return i?(this.doZoomToFit(i,t),!0):!1})}doZoomToFit(e,t){let n=new Bt;n.setFromObject(e);let i=new A;n.getCenter(i);let s=new A;n.getSize(s);let a=this.camera.get3jsCamera(),o=Math.max(s.x,s.y,s.z),l=a.fov*(Math.PI/180),c=Math.abs(o/2*Math.tan(l*2))*t,u=new A;e.getWorldPosition(u);let f=a.position.sub(u).normalize().multiplyScalar(c);a.position.x=f.x,a.position.y=f.y,a.position.z=f.z,a.updateProjectionMatrix(),this.cameraDefaultPos=[f.x,f.y,f.z]}start(){this.lastUpdatedTime=Date.now(),this.isPaused=!1}stop(){this.isPaused=!0}getJd(){return this.jd}setJd(e){this.jd=e,this.update(!0)}getDate(){return Ko.default.toDate(this.jd)}setDate(e){this.setJd(Number((0,Ko.default)(e)))}getJdDelta(){return this.jdDelta?this.jdDelta:this.jdPerSecond/this.fps}setJdDelta(e){this.jdDelta=e}getJdPerSecond(){if(!this.jdDelta)return this.jdPerSecond}setJdPerSecond(e){this.jdDelta=void 0,this.jdPerSecond=e}getContext(){return{simulation:this,options:this.options,objects:{particles:this.particles,camera:this.camera,scene:this.scene,renderer:this.renderer,composer:this.composer},container:{width:this.simulationElt.offsetWidth,height:this.simulationElt.offsetHeight}}}getSimulationElement(){return this.simulationElt}getViewer(){return this.camera}getScene(){return this.scene}getRenderer(){return this.renderer}setCameraDrift(e){this.enableCameraDrift=e}};var R1=iu;export{It as Ephem,yn as EphemPresets,xn as EphemerisTable,ca as GM,fs as KeplerParticles,hu as NaturalSatellites,yi as Orbit,St as OrbitType,pa as RotatingObject,wu as ShapeObject,lE as Simulation,bu as Skybox,KM as SkyboxPresets,fa as SpaceObject,HM as SpaceObjectPresets,Au as SphereObject,Jo as Stars,Eu as StaticParticles,R1 as THREE}; +`)!==-1&&(e=e.replace(/\\\n/g,""));let i=e.split(` +`),n=[];for(let o=0,l=i.length;o=7?(_h.setRGB(parseFloat(u[4]),parseFloat(u[5]),parseFloat(u[6]),Oe),t.colors.push(_h.r,_h.g,_h.b)):t.colors.push(void 0,void 0,void 0);break;case"vn":t.normals.push(parseFloat(u[1]),parseFloat(u[2]),parseFloat(u[3]));break;case"vt":t.uvs.push(parseFloat(u[1]),parseFloat(u[2]));break}}else if(h==="f"){let d=c.slice(1).trim().split(_v),f=[];for(let v=0,g=d.length;v0){let y=p.split("/");f.push(y)}}let m=f[0];for(let v=1,g=f.length-1;v1){let d=n[1].trim().toLowerCase();t.object.smooth=d!=="0"&&d!=="off"}else t.object.smooth=!0;let u=t.object.currentMaterial();u&&(u.smooth=t.object.smooth)}else{if(c==="\0")continue;console.warn('THREE.OBJLoader: Unexpected line: "'+c+'"')}}t.finalize();let s=new un;if(s.materialLibraries=[].concat(t.materialLibraries),!(t.objects.length===1&&t.objects[0].geometry.vertices.length===0)===!0)for(let o=0,l=t.objects.length;o0&&v.setAttribute("normal",new me(h.normals,3)),h.colors.length>0&&(m=!0,v.setAttribute("color",new me(h.colors,3))),h.hasUVIndices===!0&&v.setAttribute("uv",new me(h.uvs,2));let g=[];for(let y=0,x=u.length;y1){for(let y=0,x=u.length;y0){let o=new dn({size:1,sizeAttenuation:!1}),l=new we;l.setAttribute("position",new me(t.vertices,3)),t.colors.length>0&&t.colors[0]!==void 0&&(l.setAttribute("color",new me(t.colors,3)),o.vertexColors=!0);let c=new gi(l,o);s.add(c)}return s}};var qM=30;function ZM(r,e,t){let i=new b(r[0],r[1],r[2]);return i.project(e),{x:(i.x+1)*t.clientWidth/2,y:(-i.y+1)*t.clientHeight/2}}var nl=class{constructor(e,t,i,n=!0){this._id=e,this._options=t||{},this._object3js=void 0,this._useEphemTable=this._options.ephemTable!==void 0,this._isStaticObject=!this._options.ephem&&!this._useEphemTable,this._simulation=i,this._context=i.getContext(),this._materials=[],this._geometries=[],this._textures=[],this._label=void 0,this._showLabel=!1,this._lastLabelUpdate=0,this._position=$i(this._options.position||[0,0,0]),this._orbitAround=void 0,this._scale=this._options.scale||[1,1,1],this._renderMethod=void 0,this._particleIndex=void 0,this._initialized=!1,n&&!this.init()&&console.warn(`SpaceObject ${e}: failed to initialize`)}init(){if(this.renderObject(),this._options.labelText){let e=this.createLabel();this._simulation.getSimulationElement().appendChild(e),this._label=e,this._showLabel=!0}return this._orbitPath=void 0,this._eclipticLines=void 0,this.update(this._simulation.getJd(),!0),this._initialized=!0,!0}renderObject(){let e=!0;this.isStaticObject()||(this._orbit=this.createOrbit()),this._renderMethod||(this.isStaticObject()?(this._object3js=this.createSprite(),this._object3js.name=`${this._id}-sprite`,this._renderMethod="SPRITE"):this._useEphemTable?(this._object3js=this.createSprite(),this._object3js.name=`${this._id}-sprite`,this._renderMethod="SPRITE"):(this.addParticle(),this._renderMethod="PARTICLESYSTEM",e=!1)),e&&this._simulation.getObject(this._id)===void 0&&this._simulation.addObject(this,!1)}addParticle(){if(!this._options.ephem)throw new Error("Attempting to create a particle system, but ephemeris are not available.");this._particleIndex=this._context.objects.particles.addParticle(this._options.ephem,{particleSize:this._options.particleSize,color:this.getColor()})}createLabel(){let e=document.createElement("div");e.className="spacekit__object-label";let{labelText:t,labelUrl:i}=this._options;return this._options.labelUrl?e.innerHTML=``:e.innerHTML=`
${t}
`,e.style.fontFamily="Arial",e.style.fontSize="12px",e.style.color="#fff",e.style.position="absolute",e.style.backgroundColor="#0009",e.style.outline="1px solid #5f5f5f",e}updateLabelPosition(e){if(!this._label)throw new Error("Attempted to update label position without a label");let t=this._label,i=this._simulation.getSimulationElement(),n=ZM(e,this._simulation.getViewer().get3jsCamera(),i),s={left:n.x,top:n.y,right:n.x+t.clientWidth,bottom:n.y+t.clientHeight};s.left-30>0&&s.right+200&&s.bottomqM;(t||this._showLabel&&d)&&(i||(i=this.getPosition(e)),this.updateLabelPosition(i),this._lastLabelUpdate=+new Date)}if(this.isStaticObject()&&!t)return;let n=!1;(this._object3js||this._label)&&(n=t||this.shouldUpdateObjectPosition(e)),this._object3js&&n&&(i=this.getPosition(e),this._object3js.position.set(i[0],i[1],i[2]));let s=!this._orbitPath||((o=this._orbit)==null?void 0:o.needsUpdateForTime(e));this._orbit&&!this._options.hideOrbit&&s&&(this._orbitPath&&this._simulation.getScene().remove(this._orbitPath),this._orbitPath=this._orbit.getOrbitShape(e,!0,this._orbitAround),this._orbitPath.name=`${this._id}-orbit`,this._simulation.getScene().add(this._orbitPath));let a=!this._eclipticLines||s;if(this._orbit&&this._options.ecliptic&&this._options.ecliptic.displayLines&&a&&(this._eclipticLines&&this._simulation.getScene().remove(this._eclipticLines),this._eclipticLines=this._orbit.getLinesToEcliptic(),this._eclipticLines.name=`${this._id}-orbit-ec-lines`,this._simulation.getScene().add(this._eclipticLines)),this._orbitAround){let d=this._orbitAround.getPosition(e);this._particleIndex!==void 0&&((l=this._context.objects.particles)==null||l.setParticleOrigin(this._particleIndex,d)),!this._options.hideOrbit&&!((c=this._orbit)==null?void 0:c.isHeliocentric())&&((h=this._orbitPath)==null||h.position.set(d[0],d[1],d[2]),(u=this._eclipticLines)==null||u.position.set(d[0],d[1],d[2]))}}get3jsObjects(){let e=[];return this._object3js&&e.push(this._object3js),this._orbit&&(this._orbitPath&&e.push(this._orbitPath),this._eclipticLines&&e.push(this._eclipticLines)),e}getBoundingObject(){return ui(this,null,function*(){return Promise.resolve(this.get3jsObjects()[0])})}getColor(){return this._options.theme&&this._options.theme.color||16777215}getOrbit(){return this._orbit}getLabelVisibility(){return this._showLabel}getLabelElement(){return this._label}setLabelVisibility(e){if(!this._label)throw new Error("Attempted to set label visibility without a label");e?(this._showLabel=!0,this._label.style.display="block"):(this._showLabel=!1,this._label.style.display="none")}getId(){return this._id}isStaticObject(){return this._isStaticObject}isReady(){return this._initialized}setVisibility(e){var t;this.get3jsObjects().forEach(i=>{i.visible=e}),this._particleIndex!==void 0&&((t=this._context)==null||t.objects.particles.setParticleVisibility(e,this._particleIndex)),this.setLabelVisibility(e)}isVisible(){var t;let e=this.get3jsObjects().some(i=>i.visible);return this._particleIndex!==void 0&&(e=e||((t=this._context)==null?void 0:t.objects.particles.isParticleVisible(this._particleIndex))),e=e||this._showLabel,e}removalCleanup(){var e,t,i,n;this._label&&(this._simulation.getSimulationElement().removeChild(this._label),this._label=void 0),this._particleIndex!==void 0&&((e=this._context)==null||e.objects.particles.hideParticle(this._particleIndex),((t=this._context)==null?void 0:t.objects.particles.isVisible())||this._simulation.removeObject((i=this._context)==null?void 0:i.objects.particles)),(n=this._orbit)==null||n.removalCleanup(),this._geometries.forEach(s=>{s.dispose()}),this._materials.forEach(s=>{s.dispose()}),this._textures.forEach(s=>{s.dispose()})}},Vi="{{assets}}/sprites/smallparticle.png",IT={SUN:{textureUrl:"{{assets}}/sprites/lensflare0.png",position:[0,0,0],radius:.5},MERCURY:{textureUrl:Vi,theme:{color:9518318},ephem:tn.MERCURY},VENUS:{textureUrl:Vi,theme:{color:16742195},ephem:tn.VENUS},EARTH:{textureUrl:Vi,theme:{color:39629},ephem:tn.EARTH},MOON:{textureUrl:Vi,theme:{color:16766720},ephem:tn.MOON,particleSize:6},MARS:{textureUrl:Vi,theme:{color:10893882},ephem:tn.MARS},JUPITER:{textureUrl:Vi,theme:{color:16759055},ephem:tn.JUPITER},SATURN:{textureUrl:Vi,theme:{color:3368499},ephem:tn.SATURN},URANUS:{textureUrl:Vi,theme:{color:39423},ephem:tn.URANUS},NEPTUNE:{textureUrl:Vi,theme:{color:3355647},ephem:tn.NEPTUNE},PLUTO:{textureUrl:Vi,theme:{color:13418672},ephem:tn.PLUTO}};function Cf(r,e,t){let i=new _t({linewidth:3,color:t}),n=new we().setFromPoints([gf(r).clone(),gf(e).clone()]),s=new mi(n,i);return s.computeLineDistances(),s}function QM(){return[Cf(new b(0,0,0),new b(3,0,0),16711680),Cf(new b(0,0,0),new b(0,3,0),65280),Cf(new b(0,0,0),new b(0,0,3),255)]}var rl=class extends nl{constructor(e,t,i,n=!0){super(e,t,i,!1);this._obj=new Xe,this._obj.name=`${this._id}-rot-obj`,this._renderMethod="ROTATING_OBJECT",super.setPositionedObject(this._obj),this._objectIsRotatable=!!this._options.rotation,this._axisOfRotation=void 0,n&&this.init()}init(){if(this._objectIsRotatable&&this.initRotation(),this._options.debug&&(this._options.debug.showAxes&&QM().forEach(e=>{this._materials.push(e.material),this._geometries.push(e.geometry),this._obj.add(e)}),this._options.debug.showGrid)){let e=new Yr(3,3,16711680,16772846);e.geometry.rotateX(Math.PI/2),this._materials.push(e.material),this._geometries.push(e.geometry),this._obj.add(e)}return super.init()}initRotation(){if(!this._options.rotation)throw new Error("Must specify `rotation` option when creating a RotatingObject");let{rotation:e}=this._options;if(typeof e.jd0=="undefined")return;let t=yt.rad(e.lambdaDeg||0),i=yt.rad(e.betaDeg||0),n=this._simulation.getJd(),s=this._z_rotation(n);typeof s!="undefined"&&(this._obj.rotateZ(Math.PI/2+t),this._obj.rotateX(Math.PI/2-i),this._obj.rotateZ(s))}_z_rotation(e){if(typeof this._options.rotation=="undefined")return;let{period:t,yorp:i,phi0:n,jd0:s}=this._options.rotation;if(typeof s!="undefined")return(yt.rad(n||0)+2*Math.PI/t*(e-s)+1/2*(i||0)*Math.pow(e-s,2))%(2*Math.PI)}update(e,t=!1){if(this._obj&&this._objectIsRotatable&&this._options.rotation&&this._options.rotation.enable)if(this._axisOfRotation,this._options.rotation.speed)this._obj.rotateZ(yt.rad(this._options.rotation.speed));else{let i=this._z_rotation(e);typeof i!="undefined"&&(this._obj.rotation.z=i)}super.update(e,t)}get3jsObjects(){return super.get3jsObjects()}startRotation(){if(!this._options.rotation)throw new Error("Must specify `rotation` option when creating a RotatingObject");this._options.rotation.enable=!0}stopRotation(){if(!this._options.rotation)throw new Error("Must specify `rotation` option when creating a RotatingObject");this._options.rotation.enable=!1}};var Rf=class extends rl{constructor(e,t,i){super(e,t,i,!1);var s;if(!t.shape)throw new Error("ShapeObject requires an options.shape object");if(!((s=t.shape)==null?void 0:s.shapeUrl))throw new Error("Must specify shape.shapeUrl when creating a ShapeObject");this.shapeObj=void 0;let n=new Hr;n.onProgress=(a,o,l)=>{console.info(this._id,a,"loading progress:",o,"/",l)},this.loadingPromise=new Promise(a=>{new wf(n).load(t.shape.shapeUrl,l=>{l.traverse(c=>{if(c instanceof tt){let h=new Ir({color:this._options.shape.color||13421772});c.material=h,c.geometry.scale(.05,.05,.05),this._geometries.push(c.geometry),this._materials.push(h),h.map&&this._textures.push(h.map)}}),l.name=`${this._id}-shape-obj`,this.shapeObj=l,this._obj.add(l),this._simulation&&this._simulation.addObject(this,!1),this._initialized=!0,a(this.shapeObj)})}),super.init()}getBoundingObject(){return ui(this,null,function*(){return this.loadingPromise})}};var Df=class{constructor(e,t){this.options=e,this.id=`__skybox_${new Date().getTime()}`,this.simulation=t,this.context=t.getContext(),this.mesh=void 0,this.init()}init(){let e=new zi(1e10,32,32),t=Kr(this.options.textureUrl,this.context.options.basePath),i=new wi().load(t);i.colorSpace=Oe;let n=new li({map:i,side:At}),s=new tt(e,n);s.name=this.id,s.rotation.x=0,s.rotation.y=-1/12*Math.PI,s.rotation.z=8/5*Math.PI,s.scale.set(-1,1,1),this.mesh=s,this.simulation&&this.simulation.addObject(this,!0)}get3jsObjects(){return this.mesh?[this.mesh]:[]}getId(){return this.id}update(){}isVisible(){var e,t;return(t=(e=this.mesh)==null?void 0:e.visible)!=null?t:!1}setVisibility(e){this.mesh&&(this.mesh.visible=e)}removalCleanup(){var e;this.mesh&&(this.mesh.geometry.dispose(),this.mesh.material.dispose(),(e=this.mesh.material.map)==null||e.dispose())}},XT={ESO_GIGAGALAXY:{textureUrl:"{{assets}}/skybox/eso_milkyway.jpg"},ESO_LITE:{textureUrl:"{{assets}}/skybox/eso_lite.png"},NASA_TYCHO:{textureUrl:"{{assets}}/skybox/nasa_tycho.jpg"}};var Pf=class extends rl{constructor(e,t,i){super(e,t,i,!1);this.init()}init(){var a,o,l,c,h,u;let e=null;this._options.textureUrl&&(e=new wi().load(this._options.textureUrl),e.colorSpace=Oe,this._textures.push(e));let t=(l=(o=this._options.color)!=null?o:(a=this._options.theme)==null?void 0:a.color)!=null?l:12303291,i=new Sr,n=this._options.levelsOfDetail||[{radii:0,segments:64}],s=this.getScaledRadius();for(let d=0;d0){let v=new zi(s,f.segments,f.segments);this._geometries.push(v);let g;if(this._simulation.isUsingLightSources()){e===null&&console.warn(`SphereObject ${this._id} requires a texture when using a light source.`);let p={sphereTex:{value:e},lightPos:{value:new b}};p.lightPos.value.copy(this._simulation.getLightPosition()),g=new Ke({uniforms:p,vertexShader:fv,fragmentShader:pv,transparent:!0})}else g=new li({map:e,color:t});this._materials.push(g),m=new tt(v,g),m.receiveShadow=!0,m.castShadow=!0,m.rotation.x=Math.PI/2}else{let v=Kr(Vi,this._context.options.basePath),g=new wi().load(v);g.colorSpace=Oe,this._textures.push(g);let p=new Un({map:g,color:t,blending:sn,depthWrite:!1,sizeAttenuation:!1});this._materials.push(p);let y=((h=(c=this._options.particleSize)!=null?c:this._context.options.particleDefaultSize)!=null?h:15)/15*.02;m=new Jn(p),m.scale.set(y,y,y)}i.addLevel(m,s*f.radii)}if(i.name=`${this._id}-detailed`,this._obj.add(i),this._options.atmosphere&&this._options.atmosphere.enable){let d=this.renderFullAtmosphere();d&&this._obj.add(d)}return this._options.axialTilt&&((u=this._options.rotation)==null?void 0:u.lambdaDeg)===void 0&&(this._obj.rotation.y+=yt.rad(this._options.axialTilt)),this._renderMethod="SPHERE",super.init()}getScaledRadius(){return en(this._options.radius||1)}renderFullAtmosphere(){var o,l,c,h,u,d,f,m,v;if(!this._simulation.isUsingLightSources())return console.warn("Cannot render atmosphere without a light source"),null;let e=this.getScaledRadius(),t=new re((c=(l=(o=this._options)==null?void 0:o.atmosphere)==null?void 0:l.color)!=null?c:16777215),i=e*((d=(u=(h=this._options)==null?void 0:h.atmosphere)==null?void 0:u.innerSizeRatio)!=null?d:.025),n=e*((v=(m=(f=this._options)==null?void 0:f.atmosphere)==null?void 0:m.outerSizeRatio)!=null?v:.15),s=new Xe;s.add(this.renderAtmosphereComponent(e,i,.8,2,t)),s.add(this.renderAtmosphereComponent(e,n,.5,4,t));let a=new Sr;return a.addLevel(s,0),a.addLevel(new Xe,e*24),a.name=`${this._id}-atm`,a}renderAtmosphereComponent(e,t,i,n,s){let a=new zi(e+t,32,32),o={c:{value:i},p:{value:n},color:{value:s},lightPos:{value:new b}},l=this._simulation.getLightPosition();l&&o.lightPos.value.copy(l);let c=new Ke({uniforms:o,vertexShader:uv,fragmentShader:dv,side:At,transparent:!0,depthWrite:!1});return this._geometries.push(a),this._materials.push(c),new tt(a,c)}addRings(e,t,i,n=128){let s=en(yt.kmToAu(e)),a=en(yt.kmToAu(t)),o=new ir(s,a,n,5,0,Math.PI*2);this._geometries.push(o);let l=new wi().load(i);l.colorSpace=Oe,this._textures.push(l);let c;if(this._simulation.isUsingLightSources()){let u=Mo.merge([le.lights,{ringTex:{value:null},innerRadius:{value:s},outerRadius:{value:a},lightPos:{value:new b}}]);u.ringTex.value=l,u.lightPos.value.copy(this._simulation.getLightPosition()),c=new Ke({uniforms:u,lights:!0,vertexShader:mv,fragmentShader:gv,transparent:!0,alphaTest:.1,side:Nt})}else c=new li({map:l,side:Nt,transparent:!0,alphaTest:.1,opacity:.8});this._materials.push(c);let h=new tt(o,c);h.receiveShadow=!0,h.castShadow=!0,h.name=`${this._id}-ring`,this._obj.add(h)}};var KM=4,JM=16777215,If=class{constructor(e,t,i,n){this.options=i,this.id=e,this.simulation=n,this.points=t,this.pointObject=void 0,this.init(),this.simulation.addObject(this,!0)}init(){let e=new Float32Array(this.points.length*3),t=new Float32Array(this.points.length*3),i=new Float32Array(this.points.length),n=new re(JM);this.options.defaultColor&&(n=new re(this.options.defaultColor));let s=KM;this.options.size&&(s=this.options.size);for(let l=0,c=this.points.length;l=3e4?9614847:r>=1e4?10666239:r>=7500?14016767:r>=6e3?16381439:r>=5200?16772579:r>=3700?16767669:(r>=2400,16758124)}function eb(r,e){return r<2?e*4:r<4?e*2:r<6?e:1}var yh=class{constructor(e,t){this._options=e,this._id=`__stars_${new Date().getTime()}`,this._simulation=t,this._context=t.getContext(),this._stars=void 0,this.init()}init(){let e=tl("{{data}}/processed/bsc.json",this._context.options.basePath);fetch(e).then(t=>t.json()).then(t=>{let i=t.length,n=new we,s=new Float32Array(i*3),a=new Float32Array(i*3),o=new Float32Array(i);n.setAttribute("position",new Ce(s,3)),n.setAttribute("color",new Ce(a,3)),n.setAttribute("size",new Ce(o,1)),t.forEach((c,h)=>{let[u,d,f,m]=c,v=yt.rad(yt.hoursToDeg(u)),g=yt.rad(d),p=va.sphericalToCartesian(v,g,1e9),y=va.equatorialToEcliptic_Cartesian(p[0],p[1],p[2],va.getObliquity());s.set(y,h*3);let x=new re($M(f));a.set(x.toArray(),h*3),o[h]=eb(m,this._options.minSize||3)});let l=new Ke({uniforms:{},vertexColors:!0,vertexShader:xh,fragmentShader:vh,transparent:!0});this._stars=new gi(n,l),this._stars.name=this._id,this._simulation&&this._simulation.addObject(this,!0)})}get3jsObjects(){return this._stars?[this._stars]:[]}getId(){return this._id}update(){}isVisible(){var e,t;return(t=(e=this._stars)==null?void 0:e.visible)!=null?t:!1}setVisibility(e){this._stars&&(this._stars.visible=e)}removalCleanup(){var e;this._stars&&(this._stars.geometry.dispose(),this._stars.material.dispose(),(e=this._stars.material.map)==null||e.dispose())}};var tb=class{constructor(e,t){this.simulationElt=e,this.options=t||{},this.options.basePath=this.options.basePath||Gg(),this.jd=typeof this.options.jd=="undefined"?Number((0,Ah.default)(this.options.startDate||new Date)):this.options.jd,this.jdDelta=this.options.jdDelta,this.jdPerSecond=this.options.jdPerSecond||100,this.isPaused=t.startPaused||!1,this.onTick=void 0,this.enableCameraDrift=!1,this.cameraDefaultPos=$i([0,-10,5]),this.options.camera&&(this.enableCameraDrift=!!this.options.camera.enableDrift,this.options.camera.initialPosition&&(this.cameraDefaultPos=$i(this.options.camera.initialPosition))),this.useLightSources=!1,this.lightPosition=void 0,this.subscribedObjects={},this.neverUpdatedObjects=new Set,Xe.DEFAULT_UP=new b(0,0,1),this.options.unitsPerAu&&zg(this.options.unitsPerAu),this.stats=void 0,this.fps=1,this.lastUpdatedTime=Date.now(),this.lastStaticCameraUpdateTime=Date.now(),this.lastResizeUpdateTime=Date.now(),this.renderEnabled=!0,this.initialRenderComplete=!1,this.animate=this.animate.bind(this),this.renderer=this.initRenderer(),this.scene=new Pn,this.camera=new ph(this.getContext()),this.composer=void 0,this.particles=new ts({textureUrl:this.options.particleTextureUrl||"{{assets}}/sprites/smallparticle.png",jd:this.jd,maxNumParticles:this.options.maxNumParticles,defaultSize:this.options.particleDefaultSize},this),this.init(),this.animate()}init(){if(this.camera.get3jsCamera().position.set(this.cameraDefaultPos[0],this.cameraDefaultPos[1],this.cameraDefaultPos[2]),this.simulationElt.onmousedown=this.simulationElt.ontouchstart=()=>{this.enableCameraDrift=!1},(()=>{let e=!1;this.camera.get3jsCameraControls().addEventListener("change",()=>{e&&this.staticForcedUpdate()}),setTimeout(()=>{this.staticForcedUpdate(),e=!0,this.initialRenderComplete=!0},0)})(),this.simulationElt.addEventListener("resize",()=>{this.resizeUpdate()}),window.addEventListener("resize",()=>{this.resizeUpdate()}),this.options.debug){if(this.options.debug.showGrid){let e=new Yr(void 0,void 0);e.geometry.rotateX(Math.PI/2),this.scene.add(e)}this.options.debug.showAxes&&this.scene.add(new Ko(.5)),this.options.debug.showStats&&(this.stats=new Jg,this.stats.showPanel(0),this.simulationElt.appendChild(this.stats.dom))}this.initPasses()}initRenderer(){let e=new dh({antialias:!0});console.info("Max texture resolution:",e.capabilities.maxTextureSize);let t=e.capabilities.getMaxPrecision("highp");return t!=="highp"&&console.warn(`Shader maximum precision is "${t}", GPU rendering may not be accurate.`),e.setPixelRatio(window.devicePixelRatio),e.setSize(this.simulationElt.offsetWidth,this.simulationElt.offsetHeight),this.simulationElt.appendChild(e.domElement),e}initPasses(){let e=this.camera.get3jsCamera(),t=new sv({width:240,height:240,luminanceThreshold:.2});t.blendMode.opacity.value=2.3;let i=new av(this.scene,e);i.renderToScreen=!1;let n=new lv(e,t);n.renderToScreen=!0;let s=new nv(this.renderer);s.addPass(i),s.addPass(n),this.composer=s}update(e=!1){for(let t in this.subscribedObjects)if(this.subscribedObjects.hasOwnProperty(t)&&!this.neverUpdatedObjects.has(t)){let i=this.subscribedObjects[t];i.isVisible()&&i.update(this.jd,e)}}staticForcedUpdate(){if(this.isPaused){let e=Date.now();e-this.lastStaticCameraUpdateTime>30&&(this.update(!0),this.lastStaticCameraUpdateTime=e)}}resizeUpdate(){let e=Date.now();if(e-this.lastResizeUpdateTime>30){let n=this.simulationElt.offsetWidth,s=this.simulationElt.offsetHeight;if(n===0&&s===0)return;let a=this.camera.get3jsCamera();a.aspect=n/s,a.updateProjectionMatrix(),this.renderer.setSize(n,s),this.staticForcedUpdate(),this.lastResizeUpdateTime=e}}doCameraDrift(){let e=1e-4*Date.now(),t=this.cameraDefaultPos,i=this.camera.get3jsCamera();i.position.x=t[0]+t[0]*(Math.cos(e)+1)/3,i.position.z=t[2]+t[2]*(Math.sin(e)+1)/3}animate(){if(!(!this.renderEnabled&&this.initialRenderComplete)){if(window.requestAnimationFrame(this.animate),this.stats&&this.stats.begin(),!this.isPaused){this.jdDelta?this.jd+=this.jdDelta:this.jd+=this.jdPerSecond/this.fps;let e=(Date.now()-this.lastUpdatedTime)/1e3;this.lastUpdatedTime=Date.now(),this.fps=1/e||1,this.update()}this.enableCameraDrift&&this.doCameraDrift(),this.camera.update(),this.renderer.render(this.scene,this.camera.get3jsCamera()),this.onTick&&this.onTick(),this.stats&&this.stats.end()}}addObject(e,t=!1){e.get3jsObjects().map(n=>{this.scene.add(n)});let i=e.getId();this.subscribedObjects[i]&&console.error(`Object id is not unique: "${i}". This could prevent objects from updating correctly.`),this.subscribedObjects[i]=e,t&&this.neverUpdatedObjects.add(e.getId())}getObject(e){return this.subscribedObjects[e]}removeObject(e){!this.subscribedObjects[e.getId()]||(e.get3jsObjects().map(t=>{this.scene.remove(t)}),typeof e.removalCleanup=="function"&&e.removalCleanup(),delete this.subscribedObjects[e.getId()],this.neverUpdatedObjects.delete(e.getId()))}removalCleanup(){this.renderEnabled=!1;for(let t in this.subscribedObjects)this.subscribedObjects.hasOwnProperty(t)&&this.removeObject(this.subscribedObjects[t]);let e=this.getRenderer();e.dispose(),e.domElement.remove(),this.scene.clear(),e.forceContextLoss()}createObject(...e){return new nl(...e,this)}createShape(...e){return new Rf(...e,this)}createSphere(...e){return new Pf(...e,this)}createStaticParticles(...e){return new If(...e,this)}createSkybox(...e){return new Df(...e,this)}createStars(...e){return e.length?new yh(...e,this):new yh({},this)}createAmbientLight(e=3355443){let t=new ua(e);t.name="ambient-light",this.scene.add(t),this.useLightSources=!0}createLight(e=void 0,t=16777215){this.lightPosition&&console.warn("Spacekit doesn't support more than one light source for SphereObjects"),this.lightPosition=new b;let i=new ca;if(typeof e=="undefined")this.camera.get3jsCameraControls().addEventListener("change",()=>{this.lightPosition.copy(this.camera.get3jsCamera().position),i.position.copy(this.camera.get3jsCamera().position)});else{let n=$i(e);this.lightPosition.set(n[0],n[1],n[2]),i.position.set(n[0],n[1],n[2])}i.name="point-light",this.scene.add(i),this.useLightSources=!0}getLightPosition(){return this.lightPosition}isUsingLightSources(){return this.useLightSources}loadNaturalSatellites(){return new _f(this).load()}renderOnlyInViewport(){let e=!0,t=()=>{let i=this.simulationElt.getBoundingClientRect(),n=window.innerHeight||document.documentElement.clientHeight,s=window.innerWidth||document.documentElement.clientWidth,a=i.top<=n&&i.top+i.height>=0,o=i.left<=s&&i.left+i.width>=0;return a&&o};window.addEventListener("scroll",()=>{let i=t();e&&!i?(this.renderEnabled=!1,e=!1):!e&&i&&(this.renderEnabled=!0,window.requestAnimationFrame(this.animate),e=!0)}),t()||(this.renderEnabled=!1,e=!1)}zoomToFit(e,t=3){return ui(this,null,function*(){let i=e.getOrbit(),n=i?i.getOrbitShape():yield e.getBoundingObject();return n?(this.doZoomToFit(n,t),!0):!1})}doZoomToFit(e,t){let i=new Ht;i.setFromObject(e);let n=new b;i.getCenter(n);let s=new b;i.getSize(s);let a=this.camera.get3jsCamera(),o=Math.max(s.x,s.y,s.z),l=a.fov*(Math.PI/180),c=Math.abs(o/2*Math.tan(l*2))*t,h=new b;e.getWorldPosition(h);let f=a.position.sub(h).normalize().multiplyScalar(c);a.position.x=f.x,a.position.y=f.y,a.position.z=f.z,a.updateProjectionMatrix(),this.cameraDefaultPos=[f.x,f.y,f.z]}start(){this.lastUpdatedTime=Date.now(),this.isPaused=!1}stop(){this.isPaused=!0}getJd(){return this.jd}setJd(e){this.jd=e,this.update(!0)}getDate(){return Ah.default.toDate(this.jd)}setDate(e){this.setJd(Number((0,Ah.default)(e)))}getJdDelta(){return this.jdDelta?this.jdDelta:this.jdPerSecond/this.fps}setJdDelta(e){this.jdDelta=e}getJdPerSecond(){if(!this.jdDelta)return this.jdPerSecond}setJdPerSecond(e){this.jdDelta=void 0,this.jdPerSecond=e}getContext(){return{simulation:this,options:this.options,objects:{particles:this.particles,camera:this.camera,scene:this.scene,renderer:this.renderer,composer:this.composer},container:{width:this.simulationElt.offsetWidth,height:this.simulationElt.offsetHeight}}}getSimulationElement(){return this.simulationElt}getViewer(){return this.camera}getScene(){return this.scene}getRenderer(){return this.renderer}setCameraDrift(e){this.enableCameraDrift=e}};var Tw=hf;export{Vi as DEFAULT_PLANET_TEXTURE_URL,Zt as Ephem,tn as EphemPresets,ki as EphemerisTable,xa as GM,ts as KeplerParticles,_f as NaturalSatellites,sr as Orbit,Ut as OrbitType,rl as RotatingObject,Rf as ShapeObject,tb as Simulation,Df as Skybox,XT as SkyboxPresets,nl as SpaceObject,IT as SpaceObjectPresets,Pf as SphereObject,yh as Stars,If as StaticParticles,Tw as THREE}; /** * @license - * Copyright 2010-2021 Three.js Authors + * Copyright 2010-2025 Three.js Authors * SPDX-License-Identifier: MIT */ /** - * postprocessing v6.29.0 build Mon Oct 17 2022 + * postprocessing v6.36.7 build Thu Feb 06 2025 * https://github.com/pmndrs/postprocessing - * Copyright 2015-2022 Raoul van Rüschen + * Copyright 2015-2025 Raoul van Rüschen * @license Zlib */ //# sourceMappingURL=spacekit.esm.js.map diff --git a/build/spacekit.esm.js.map b/build/spacekit.esm.js.map index 9e5d5c6..676cffa 100644 --- a/build/spacekit.esm.js.map +++ b/build/spacekit.esm.js.map @@ -1,7 +1,7 @@ { "version": 3, - "sources": ["../node_modules/julian/index.js", "../node_modules/three/build/three.module.js", "../node_modules/three/examples/jsm/controls/OrbitControls.js", "../src/Scale.ts", "../src/Camera.ts", "../src/Units.ts", "../src/Coordinates.ts", "../src/Ephem.ts", "../src/Math.ts", "../src/util.ts", "../src/EphemerisTable.ts", "../src/EphemPresets.ts", "../src/Orbit.ts", "../src/Simulation.ts", "../node_modules/three/examples/jsm/libs/stats.module.js", "../node_modules/postprocessing/build/postprocessing.esm.js", "../src/shaders.ts", "../src/KeplerParticles.ts", "../node_modules/three/examples/jsm/loaders/OBJLoader.js", "../src/SpaceObject.ts", "../src/RotatingObject.ts", "../src/ShapeObject.ts", "../src/Skybox.ts", "../src/SphereObject.ts", "../src/StaticParticles.ts", "../src/Stars.ts", "../src/index.ts"], - "sourcesContent": ["module.exports = convert;\nmodule.exports.toDate = convertToDate;\n\nmodule.exports.toJulianDay = toJulianDay;\nmodule.exports.toMillisecondsInJulianDay = toMillisecondsInJulianDay;\nmodule.exports.fromJulianDayAndMilliseconds = fromJulianDayAndMilliseconds;\n\nvar DAY = 86400000;\nvar HALF_DAY = DAY / 2;\nvar UNIX_EPOCH_JULIAN_DATE = 2440587.5;\nvar UNIX_EPOCH_JULIAN_DAY = 2440587;\n\nfunction convert(date) {\n return (toJulianDay(date) + (toMillisecondsInJulianDay(date) / DAY)).toFixed(6);\n};\n\nfunction convertToDate(julian) {\n return new Date((Number(julian) - UNIX_EPOCH_JULIAN_DATE) * DAY);\n};\n\nfunction toJulianDay(date) {\n return ~~((+date + HALF_DAY) / DAY) + UNIX_EPOCH_JULIAN_DAY;\n};\n\nfunction toMillisecondsInJulianDay(date) {\n return (+date + HALF_DAY) % DAY;\n};\n\nfunction fromJulianDayAndMilliseconds(day, ms) {\n return (day - UNIX_EPOCH_JULIAN_DATE) * DAY + ms;\n};\n", "/**\n * @license\n * Copyright 2010-2021 Three.js Authors\n * SPDX-License-Identifier: MIT\n */\nconst REVISION = '135';\nconst MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2, ROTATE: 0, DOLLY: 1, PAN: 2 };\nconst TOUCH = { ROTATE: 0, PAN: 1, DOLLY_PAN: 2, DOLLY_ROTATE: 3 };\nconst CullFaceNone = 0;\nconst CullFaceBack = 1;\nconst CullFaceFront = 2;\nconst CullFaceFrontBack = 3;\nconst BasicShadowMap = 0;\nconst PCFShadowMap = 1;\nconst PCFSoftShadowMap = 2;\nconst VSMShadowMap = 3;\nconst FrontSide = 0;\nconst BackSide = 1;\nconst DoubleSide = 2;\nconst FlatShading = 1;\nconst SmoothShading = 2;\nconst NoBlending = 0;\nconst NormalBlending = 1;\nconst AdditiveBlending = 2;\nconst SubtractiveBlending = 3;\nconst MultiplyBlending = 4;\nconst CustomBlending = 5;\nconst AddEquation = 100;\nconst SubtractEquation = 101;\nconst ReverseSubtractEquation = 102;\nconst MinEquation = 103;\nconst MaxEquation = 104;\nconst ZeroFactor = 200;\nconst OneFactor = 201;\nconst SrcColorFactor = 202;\nconst OneMinusSrcColorFactor = 203;\nconst SrcAlphaFactor = 204;\nconst OneMinusSrcAlphaFactor = 205;\nconst DstAlphaFactor = 206;\nconst OneMinusDstAlphaFactor = 207;\nconst DstColorFactor = 208;\nconst OneMinusDstColorFactor = 209;\nconst SrcAlphaSaturateFactor = 210;\nconst NeverDepth = 0;\nconst AlwaysDepth = 1;\nconst LessDepth = 2;\nconst LessEqualDepth = 3;\nconst EqualDepth = 4;\nconst GreaterEqualDepth = 5;\nconst GreaterDepth = 6;\nconst NotEqualDepth = 7;\nconst MultiplyOperation = 0;\nconst MixOperation = 1;\nconst AddOperation = 2;\nconst NoToneMapping = 0;\nconst LinearToneMapping = 1;\nconst ReinhardToneMapping = 2;\nconst CineonToneMapping = 3;\nconst ACESFilmicToneMapping = 4;\nconst CustomToneMapping = 5;\n\nconst UVMapping = 300;\nconst CubeReflectionMapping = 301;\nconst CubeRefractionMapping = 302;\nconst EquirectangularReflectionMapping = 303;\nconst EquirectangularRefractionMapping = 304;\nconst CubeUVReflectionMapping = 306;\nconst CubeUVRefractionMapping = 307;\nconst RepeatWrapping = 1000;\nconst ClampToEdgeWrapping = 1001;\nconst MirroredRepeatWrapping = 1002;\nconst NearestFilter = 1003;\nconst NearestMipmapNearestFilter = 1004;\nconst NearestMipMapNearestFilter = 1004;\nconst NearestMipmapLinearFilter = 1005;\nconst NearestMipMapLinearFilter = 1005;\nconst LinearFilter = 1006;\nconst LinearMipmapNearestFilter = 1007;\nconst LinearMipMapNearestFilter = 1007;\nconst LinearMipmapLinearFilter = 1008;\nconst LinearMipMapLinearFilter = 1008;\nconst UnsignedByteType = 1009;\nconst ByteType = 1010;\nconst ShortType = 1011;\nconst UnsignedShortType = 1012;\nconst IntType = 1013;\nconst UnsignedIntType = 1014;\nconst FloatType = 1015;\nconst HalfFloatType = 1016;\nconst UnsignedShort4444Type = 1017;\nconst UnsignedShort5551Type = 1018;\nconst UnsignedShort565Type = 1019;\nconst UnsignedInt248Type = 1020;\nconst AlphaFormat = 1021;\nconst RGBFormat = 1022;\nconst RGBAFormat = 1023;\nconst LuminanceFormat = 1024;\nconst LuminanceAlphaFormat = 1025;\nconst RGBEFormat = RGBAFormat;\nconst DepthFormat = 1026;\nconst DepthStencilFormat = 1027;\nconst RedFormat = 1028;\nconst RedIntegerFormat = 1029;\nconst RGFormat = 1030;\nconst RGIntegerFormat = 1031;\nconst RGBIntegerFormat = 1032;\nconst RGBAIntegerFormat = 1033;\n\nconst RGB_S3TC_DXT1_Format = 33776;\nconst RGBA_S3TC_DXT1_Format = 33777;\nconst RGBA_S3TC_DXT3_Format = 33778;\nconst RGBA_S3TC_DXT5_Format = 33779;\nconst RGB_PVRTC_4BPPV1_Format = 35840;\nconst RGB_PVRTC_2BPPV1_Format = 35841;\nconst RGBA_PVRTC_4BPPV1_Format = 35842;\nconst RGBA_PVRTC_2BPPV1_Format = 35843;\nconst RGB_ETC1_Format = 36196;\nconst RGB_ETC2_Format = 37492;\nconst RGBA_ETC2_EAC_Format = 37496;\nconst RGBA_ASTC_4x4_Format = 37808;\nconst RGBA_ASTC_5x4_Format = 37809;\nconst RGBA_ASTC_5x5_Format = 37810;\nconst RGBA_ASTC_6x5_Format = 37811;\nconst RGBA_ASTC_6x6_Format = 37812;\nconst RGBA_ASTC_8x5_Format = 37813;\nconst RGBA_ASTC_8x6_Format = 37814;\nconst RGBA_ASTC_8x8_Format = 37815;\nconst RGBA_ASTC_10x5_Format = 37816;\nconst RGBA_ASTC_10x6_Format = 37817;\nconst RGBA_ASTC_10x8_Format = 37818;\nconst RGBA_ASTC_10x10_Format = 37819;\nconst RGBA_ASTC_12x10_Format = 37820;\nconst RGBA_ASTC_12x12_Format = 37821;\nconst RGBA_BPTC_Format = 36492;\nconst SRGB8_ALPHA8_ASTC_4x4_Format = 37840;\nconst SRGB8_ALPHA8_ASTC_5x4_Format = 37841;\nconst SRGB8_ALPHA8_ASTC_5x5_Format = 37842;\nconst SRGB8_ALPHA8_ASTC_6x5_Format = 37843;\nconst SRGB8_ALPHA8_ASTC_6x6_Format = 37844;\nconst SRGB8_ALPHA8_ASTC_8x5_Format = 37845;\nconst SRGB8_ALPHA8_ASTC_8x6_Format = 37846;\nconst SRGB8_ALPHA8_ASTC_8x8_Format = 37847;\nconst SRGB8_ALPHA8_ASTC_10x5_Format = 37848;\nconst SRGB8_ALPHA8_ASTC_10x6_Format = 37849;\nconst SRGB8_ALPHA8_ASTC_10x8_Format = 37850;\nconst SRGB8_ALPHA8_ASTC_10x10_Format = 37851;\nconst SRGB8_ALPHA8_ASTC_12x10_Format = 37852;\nconst SRGB8_ALPHA8_ASTC_12x12_Format = 37853;\nconst LoopOnce = 2200;\nconst LoopRepeat = 2201;\nconst LoopPingPong = 2202;\nconst InterpolateDiscrete = 2300;\nconst InterpolateLinear = 2301;\nconst InterpolateSmooth = 2302;\nconst ZeroCurvatureEnding = 2400;\nconst ZeroSlopeEnding = 2401;\nconst WrapAroundEnding = 2402;\nconst NormalAnimationBlendMode = 2500;\nconst AdditiveAnimationBlendMode = 2501;\nconst TrianglesDrawMode = 0;\nconst TriangleStripDrawMode = 1;\nconst TriangleFanDrawMode = 2;\nconst LinearEncoding = 3000;\nconst sRGBEncoding = 3001;\nconst GammaEncoding = 3007;\nconst RGBEEncoding = 3002;\nconst RGBM7Encoding = 3004;\nconst RGBM16Encoding = 3005;\nconst RGBDEncoding = 3006;\nconst BasicDepthPacking = 3200;\nconst RGBADepthPacking = 3201;\nconst TangentSpaceNormalMap = 0;\nconst ObjectSpaceNormalMap = 1;\n\nconst ZeroStencilOp = 0;\nconst KeepStencilOp = 7680;\nconst ReplaceStencilOp = 7681;\nconst IncrementStencilOp = 7682;\nconst DecrementStencilOp = 7683;\nconst IncrementWrapStencilOp = 34055;\nconst DecrementWrapStencilOp = 34056;\nconst InvertStencilOp = 5386;\n\nconst NeverStencilFunc = 512;\nconst LessStencilFunc = 513;\nconst EqualStencilFunc = 514;\nconst LessEqualStencilFunc = 515;\nconst GreaterStencilFunc = 516;\nconst NotEqualStencilFunc = 517;\nconst GreaterEqualStencilFunc = 518;\nconst AlwaysStencilFunc = 519;\n\nconst StaticDrawUsage = 35044;\nconst DynamicDrawUsage = 35048;\nconst StreamDrawUsage = 35040;\nconst StaticReadUsage = 35045;\nconst DynamicReadUsage = 35049;\nconst StreamReadUsage = 35041;\nconst StaticCopyUsage = 35046;\nconst DynamicCopyUsage = 35050;\nconst StreamCopyUsage = 35042;\n\nconst GLSL1 = '100';\nconst GLSL3 = '300 es';\n\n/**\n * https://github.com/mrdoob/eventdispatcher.js/\n */\n\nclass EventDispatcher {\n\n\taddEventListener( type, listener ) {\n\n\t\tif ( this._listeners === undefined ) this._listeners = {};\n\n\t\tconst listeners = this._listeners;\n\n\t\tif ( listeners[ type ] === undefined ) {\n\n\t\t\tlisteners[ type ] = [];\n\n\t\t}\n\n\t\tif ( listeners[ type ].indexOf( listener ) === - 1 ) {\n\n\t\t\tlisteners[ type ].push( listener );\n\n\t\t}\n\n\t}\n\n\thasEventListener( type, listener ) {\n\n\t\tif ( this._listeners === undefined ) return false;\n\n\t\tconst listeners = this._listeners;\n\n\t\treturn listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1;\n\n\t}\n\n\tremoveEventListener( type, listener ) {\n\n\t\tif ( this._listeners === undefined ) return;\n\n\t\tconst listeners = this._listeners;\n\t\tconst listenerArray = listeners[ type ];\n\n\t\tif ( listenerArray !== undefined ) {\n\n\t\t\tconst index = listenerArray.indexOf( listener );\n\n\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\tlistenerArray.splice( index, 1 );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tdispatchEvent( event ) {\n\n\t\tif ( this._listeners === undefined ) return;\n\n\t\tconst listeners = this._listeners;\n\t\tconst listenerArray = listeners[ event.type ];\n\n\t\tif ( listenerArray !== undefined ) {\n\n\t\t\tevent.target = this;\n\n\t\t\t// Make a copy, in case listeners are removed while iterating.\n\t\t\tconst array = listenerArray.slice( 0 );\n\n\t\t\tfor ( let i = 0, l = array.length; i < l; i ++ ) {\n\n\t\t\t\tarray[ i ].call( this, event );\n\n\t\t\t}\n\n\t\t\tevent.target = null;\n\n\t\t}\n\n\t}\n\n}\n\nconst _lut = [];\n\nfor ( let i = 0; i < 256; i ++ ) {\n\n\t_lut[ i ] = ( i < 16 ? '0' : '' ) + ( i ).toString( 16 );\n\n}\n\nlet _seed = 1234567;\n\n\nconst DEG2RAD = Math.PI / 180;\nconst RAD2DEG = 180 / Math.PI;\n\n// http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/21963136#21963136\nfunction generateUUID() {\n\n\tconst d0 = Math.random() * 0xffffffff | 0;\n\tconst d1 = Math.random() * 0xffffffff | 0;\n\tconst d2 = Math.random() * 0xffffffff | 0;\n\tconst d3 = Math.random() * 0xffffffff | 0;\n\tconst uuid = _lut[ d0 & 0xff ] + _lut[ d0 >> 8 & 0xff ] + _lut[ d0 >> 16 & 0xff ] + _lut[ d0 >> 24 & 0xff ] + '-' +\n\t\t\t_lut[ d1 & 0xff ] + _lut[ d1 >> 8 & 0xff ] + '-' + _lut[ d1 >> 16 & 0x0f | 0x40 ] + _lut[ d1 >> 24 & 0xff ] + '-' +\n\t\t\t_lut[ d2 & 0x3f | 0x80 ] + _lut[ d2 >> 8 & 0xff ] + '-' + _lut[ d2 >> 16 & 0xff ] + _lut[ d2 >> 24 & 0xff ] +\n\t\t\t_lut[ d3 & 0xff ] + _lut[ d3 >> 8 & 0xff ] + _lut[ d3 >> 16 & 0xff ] + _lut[ d3 >> 24 & 0xff ];\n\n\t// .toUpperCase() here flattens concatenated strings to save heap memory space.\n\treturn uuid.toUpperCase();\n\n}\n\nfunction clamp( value, min, max ) {\n\n\treturn Math.max( min, Math.min( max, value ) );\n\n}\n\n// compute euclidian modulo of m % n\n// https://en.wikipedia.org/wiki/Modulo_operation\nfunction euclideanModulo( n, m ) {\n\n\treturn ( ( n % m ) + m ) % m;\n\n}\n\n// Linear mapping from range to range \nfunction mapLinear( x, a1, a2, b1, b2 ) {\n\n\treturn b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 );\n\n}\n\n// https://www.gamedev.net/tutorials/programming/general-and-gameplay-programming/inverse-lerp-a-super-useful-yet-often-overlooked-function-r5230/\nfunction inverseLerp( x, y, value ) {\n\n\tif ( x !== y ) {\n\n\t\treturn ( value - x ) / ( y - x );\n\n\t} else {\n\n\t\treturn 0;\n\n\t}\n\n}\n\n// https://en.wikipedia.org/wiki/Linear_interpolation\nfunction lerp( x, y, t ) {\n\n\treturn ( 1 - t ) * x + t * y;\n\n}\n\n// http://www.rorydriscoll.com/2016/03/07/frame-rate-independent-damping-using-lerp/\nfunction damp( x, y, lambda, dt ) {\n\n\treturn lerp( x, y, 1 - Math.exp( - lambda * dt ) );\n\n}\n\n// https://www.desmos.com/calculator/vcsjnyz7x4\nfunction pingpong( x, length = 1 ) {\n\n\treturn length - Math.abs( euclideanModulo( x, length * 2 ) - length );\n\n}\n\n// http://en.wikipedia.org/wiki/Smoothstep\nfunction smoothstep( x, min, max ) {\n\n\tif ( x <= min ) return 0;\n\tif ( x >= max ) return 1;\n\n\tx = ( x - min ) / ( max - min );\n\n\treturn x * x * ( 3 - 2 * x );\n\n}\n\nfunction smootherstep( x, min, max ) {\n\n\tif ( x <= min ) return 0;\n\tif ( x >= max ) return 1;\n\n\tx = ( x - min ) / ( max - min );\n\n\treturn x * x * x * ( x * ( x * 6 - 15 ) + 10 );\n\n}\n\n// Random integer from interval\nfunction randInt( low, high ) {\n\n\treturn low + Math.floor( Math.random() * ( high - low + 1 ) );\n\n}\n\n// Random float from interval\nfunction randFloat( low, high ) {\n\n\treturn low + Math.random() * ( high - low );\n\n}\n\n// Random float from <-range/2, range/2> interval\nfunction randFloatSpread( range ) {\n\n\treturn range * ( 0.5 - Math.random() );\n\n}\n\n// Deterministic pseudo-random float in the interval [ 0, 1 ]\nfunction seededRandom( s ) {\n\n\tif ( s !== undefined ) _seed = s % 2147483647;\n\n\t// Park-Miller algorithm\n\n\t_seed = _seed * 16807 % 2147483647;\n\n\treturn ( _seed - 1 ) / 2147483646;\n\n}\n\nfunction degToRad( degrees ) {\n\n\treturn degrees * DEG2RAD;\n\n}\n\nfunction radToDeg( radians ) {\n\n\treturn radians * RAD2DEG;\n\n}\n\nfunction isPowerOfTwo( value ) {\n\n\treturn ( value & ( value - 1 ) ) === 0 && value !== 0;\n\n}\n\nfunction ceilPowerOfTwo( value ) {\n\n\treturn Math.pow( 2, Math.ceil( Math.log( value ) / Math.LN2 ) );\n\n}\n\nfunction floorPowerOfTwo( value ) {\n\n\treturn Math.pow( 2, Math.floor( Math.log( value ) / Math.LN2 ) );\n\n}\n\nfunction setQuaternionFromProperEuler( q, a, b, c, order ) {\n\n\t// Intrinsic Proper Euler Angles - see https://en.wikipedia.org/wiki/Euler_angles\n\n\t// rotations are applied to the axes in the order specified by 'order'\n\t// rotation by angle 'a' is applied first, then by angle 'b', then by angle 'c'\n\t// angles are in radians\n\n\tconst cos = Math.cos;\n\tconst sin = Math.sin;\n\n\tconst c2 = cos( b / 2 );\n\tconst s2 = sin( b / 2 );\n\n\tconst c13 = cos( ( a + c ) / 2 );\n\tconst s13 = sin( ( a + c ) / 2 );\n\n\tconst c1_3 = cos( ( a - c ) / 2 );\n\tconst s1_3 = sin( ( a - c ) / 2 );\n\n\tconst c3_1 = cos( ( c - a ) / 2 );\n\tconst s3_1 = sin( ( c - a ) / 2 );\n\n\tswitch ( order ) {\n\n\t\tcase 'XYX':\n\t\t\tq.set( c2 * s13, s2 * c1_3, s2 * s1_3, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'YZY':\n\t\t\tq.set( s2 * s1_3, c2 * s13, s2 * c1_3, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'ZXZ':\n\t\t\tq.set( s2 * c1_3, s2 * s1_3, c2 * s13, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'XZX':\n\t\t\tq.set( c2 * s13, s2 * s3_1, s2 * c3_1, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'YXY':\n\t\t\tq.set( s2 * c3_1, c2 * s13, s2 * s3_1, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'ZYZ':\n\t\t\tq.set( s2 * s3_1, s2 * c3_1, c2 * s13, c2 * c13 );\n\t\t\tbreak;\n\n\t\tdefault:\n\t\t\tconsole.warn( 'THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: ' + order );\n\n\t}\n\n}\n\nvar MathUtils = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tDEG2RAD: DEG2RAD,\n\tRAD2DEG: RAD2DEG,\n\tgenerateUUID: generateUUID,\n\tclamp: clamp,\n\teuclideanModulo: euclideanModulo,\n\tmapLinear: mapLinear,\n\tinverseLerp: inverseLerp,\n\tlerp: lerp,\n\tdamp: damp,\n\tpingpong: pingpong,\n\tsmoothstep: smoothstep,\n\tsmootherstep: smootherstep,\n\trandInt: randInt,\n\trandFloat: randFloat,\n\trandFloatSpread: randFloatSpread,\n\tseededRandom: seededRandom,\n\tdegToRad: degToRad,\n\tradToDeg: radToDeg,\n\tisPowerOfTwo: isPowerOfTwo,\n\tceilPowerOfTwo: ceilPowerOfTwo,\n\tfloorPowerOfTwo: floorPowerOfTwo,\n\tsetQuaternionFromProperEuler: setQuaternionFromProperEuler\n});\n\nclass Vector2 {\n\n\tconstructor( x = 0, y = 0 ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\n\t}\n\n\tget width() {\n\n\t\treturn this.x;\n\n\t}\n\n\tset width( value ) {\n\n\t\tthis.x = value;\n\n\t}\n\n\tget height() {\n\n\t\treturn this.y;\n\n\t}\n\n\tset height( value ) {\n\n\t\tthis.y = value;\n\n\t}\n\n\tset( x, y ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y );\n\n\t}\n\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\n\t\treturn this;\n\n\t}\n\n\tadd( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\treturn this.addVectors( v, w );\n\n\t\t}\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\n\t\treturn this;\n\n\t}\n\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\n\t\treturn this;\n\n\t}\n\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\treturn this.subVectors( v, w );\n\n\t\t}\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\n\t\treturn this;\n\n\t}\n\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\n\t\treturn this;\n\n\t}\n\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( v ) {\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\tdivide( v ) {\n\n\t\tthis.x /= v.x;\n\t\tthis.y /= v.y;\n\n\t\treturn this;\n\n\t}\n\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tconst x = this.x, y = this.y;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ];\n\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ];\n\n\t\treturn this;\n\n\t}\n\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\n\t\treturn this;\n\n\t}\n\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\n\t\treturn this;\n\n\t}\n\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = Math.max( minVal, Math.min( maxVal, this.x ) );\n\t\tthis.y = Math.max( minVal, Math.min( maxVal, this.y ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) );\n\n\t}\n\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\n\t\treturn this;\n\n\t}\n\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\n\t\treturn this;\n\n\t}\n\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\n\t\treturn this;\n\n\t}\n\n\troundToZero() {\n\n\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y;\n\n\t}\n\n\tcross( v ) {\n\n\t\treturn this.x * v.y - this.y * v.x;\n\n\t}\n\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y );\n\n\t}\n\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y );\n\n\t}\n\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\tangle() {\n\n\t\t// computes the angle in radians with respect to the positive x-axis\n\n\t\tconst angle = Math.atan2( - this.y, - this.x ) + Math.PI;\n\n\t\treturn angle;\n\n\t}\n\n\tdistanceTo( v ) {\n\n\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t}\n\n\tdistanceToSquared( v ) {\n\n\t\tconst dx = this.x - v.x, dy = this.y - v.y;\n\t\treturn dx * dx + dy * dy;\n\n\t}\n\n\tmanhattanDistanceTo( v ) {\n\n\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y );\n\n\t}\n\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index, offset ) {\n\n\t\tif ( offset !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector2: offset has been removed from .fromBufferAttribute().' );\n\n\t\t}\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\n\t\treturn this;\n\n\t}\n\n\trotateAround( center, angle ) {\n\n\t\tconst c = Math.cos( angle ), s = Math.sin( angle );\n\n\t\tconst x = this.x - center.x;\n\t\tconst y = this.y - center.y;\n\n\t\tthis.x = x * c - y * s + center.x;\n\t\tthis.y = x * s + y * c + center.y;\n\n\t\treturn this;\n\n\t}\n\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\n\t\treturn this;\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.x;\n\t\tyield this.y;\n\n\t}\n\n}\n\nVector2.prototype.isVector2 = true;\n\nclass Matrix3 {\n\n\tconstructor() {\n\n\t\tthis.elements = [\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t];\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tset( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31;\n\t\tte[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32;\n\t\tte[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33;\n\n\t\treturn this;\n\n\t}\n\n\tidentity() {\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tcopy( m ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tte[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ];\n\t\tte[ 3 ] = me[ 3 ]; te[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ];\n\t\tte[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ]; te[ 8 ] = me[ 8 ];\n\n\t\treturn this;\n\n\t}\n\n\textractBasis( xAxis, yAxis, zAxis ) {\n\n\t\txAxis.setFromMatrix3Column( this, 0 );\n\t\tyAxis.setFromMatrix3Column( this, 1 );\n\t\tzAxis.setFromMatrix3Column( this, 2 );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrix4( m ) {\n\n\t\tconst me = m.elements;\n\n\t\tthis.set(\n\n\t\t\tme[ 0 ], me[ 4 ], me[ 8 ],\n\t\t\tme[ 1 ], me[ 5 ], me[ 9 ],\n\t\t\tme[ 2 ], me[ 6 ], me[ 10 ]\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( m ) {\n\n\t\treturn this.multiplyMatrices( this, m );\n\n\t}\n\n\tpremultiply( m ) {\n\n\t\treturn this.multiplyMatrices( m, this );\n\n\t}\n\n\tmultiplyMatrices( a, b ) {\n\n\t\tconst ae = a.elements;\n\t\tconst be = b.elements;\n\t\tconst te = this.elements;\n\n\t\tconst a11 = ae[ 0 ], a12 = ae[ 3 ], a13 = ae[ 6 ];\n\t\tconst a21 = ae[ 1 ], a22 = ae[ 4 ], a23 = ae[ 7 ];\n\t\tconst a31 = ae[ 2 ], a32 = ae[ 5 ], a33 = ae[ 8 ];\n\n\t\tconst b11 = be[ 0 ], b12 = be[ 3 ], b13 = be[ 6 ];\n\t\tconst b21 = be[ 1 ], b22 = be[ 4 ], b23 = be[ 7 ];\n\t\tconst b31 = be[ 2 ], b32 = be[ 5 ], b33 = be[ 8 ];\n\n\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31;\n\t\tte[ 3 ] = a11 * b12 + a12 * b22 + a13 * b32;\n\t\tte[ 6 ] = a11 * b13 + a12 * b23 + a13 * b33;\n\n\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31;\n\t\tte[ 4 ] = a21 * b12 + a22 * b22 + a23 * b32;\n\t\tte[ 7 ] = a21 * b13 + a22 * b23 + a23 * b33;\n\n\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31;\n\t\tte[ 5 ] = a31 * b12 + a32 * b22 + a33 * b32;\n\t\tte[ 8 ] = a31 * b13 + a32 * b23 + a33 * b33;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( s ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s;\n\t\tte[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s;\n\t\tte[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s;\n\n\t\treturn this;\n\n\t}\n\n\tdeterminant() {\n\n\t\tconst te = this.elements;\n\n\t\tconst a = te[ 0 ], b = te[ 1 ], c = te[ 2 ],\n\t\t\td = te[ 3 ], e = te[ 4 ], f = te[ 5 ],\n\t\t\tg = te[ 6 ], h = te[ 7 ], i = te[ 8 ];\n\n\t\treturn a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g;\n\n\t}\n\n\tinvert() {\n\n\t\tconst te = this.elements,\n\n\t\t\tn11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ],\n\t\t\tn12 = te[ 3 ], n22 = te[ 4 ], n32 = te[ 5 ],\n\t\t\tn13 = te[ 6 ], n23 = te[ 7 ], n33 = te[ 8 ],\n\n\t\t\tt11 = n33 * n22 - n32 * n23,\n\t\t\tt12 = n32 * n13 - n33 * n12,\n\t\t\tt13 = n23 * n12 - n22 * n13,\n\n\t\t\tdet = n11 * t11 + n21 * t12 + n31 * t13;\n\n\t\tif ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0 );\n\n\t\tconst detInv = 1 / det;\n\n\t\tte[ 0 ] = t11 * detInv;\n\t\tte[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv;\n\t\tte[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv;\n\n\t\tte[ 3 ] = t12 * detInv;\n\t\tte[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv;\n\t\tte[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv;\n\n\t\tte[ 6 ] = t13 * detInv;\n\t\tte[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv;\n\t\tte[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv;\n\n\t\treturn this;\n\n\t}\n\n\ttranspose() {\n\n\t\tlet tmp;\n\t\tconst m = this.elements;\n\n\t\ttmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp;\n\t\ttmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp;\n\t\ttmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp;\n\n\t\treturn this;\n\n\t}\n\n\tgetNormalMatrix( matrix4 ) {\n\n\t\treturn this.setFromMatrix4( matrix4 ).invert().transpose();\n\n\t}\n\n\ttransposeIntoArray( r ) {\n\n\t\tconst m = this.elements;\n\n\t\tr[ 0 ] = m[ 0 ];\n\t\tr[ 1 ] = m[ 3 ];\n\t\tr[ 2 ] = m[ 6 ];\n\t\tr[ 3 ] = m[ 1 ];\n\t\tr[ 4 ] = m[ 4 ];\n\t\tr[ 5 ] = m[ 7 ];\n\t\tr[ 6 ] = m[ 2 ];\n\t\tr[ 7 ] = m[ 5 ];\n\t\tr[ 8 ] = m[ 8 ];\n\n\t\treturn this;\n\n\t}\n\n\tsetUvTransform( tx, ty, sx, sy, rotation, cx, cy ) {\n\n\t\tconst c = Math.cos( rotation );\n\t\tconst s = Math.sin( rotation );\n\n\t\tthis.set(\n\t\t\tsx * c, sx * s, - sx * ( c * cx + s * cy ) + cx + tx,\n\t\t\t- sy * s, sy * c, - sy * ( - s * cx + c * cy ) + cy + ty,\n\t\t\t0, 0, 1\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tscale( sx, sy ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] *= sx; te[ 3 ] *= sx; te[ 6 ] *= sx;\n\t\tte[ 1 ] *= sy; te[ 4 ] *= sy; te[ 7 ] *= sy;\n\n\t\treturn this;\n\n\t}\n\n\trotate( theta ) {\n\n\t\tconst c = Math.cos( theta );\n\t\tconst s = Math.sin( theta );\n\n\t\tconst te = this.elements;\n\n\t\tconst a11 = te[ 0 ], a12 = te[ 3 ], a13 = te[ 6 ];\n\t\tconst a21 = te[ 1 ], a22 = te[ 4 ], a23 = te[ 7 ];\n\n\t\tte[ 0 ] = c * a11 + s * a21;\n\t\tte[ 3 ] = c * a12 + s * a22;\n\t\tte[ 6 ] = c * a13 + s * a23;\n\n\t\tte[ 1 ] = - s * a11 + c * a21;\n\t\tte[ 4 ] = - s * a12 + c * a22;\n\t\tte[ 7 ] = - s * a13 + c * a23;\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( tx, ty ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] += tx * te[ 2 ]; te[ 3 ] += tx * te[ 5 ]; te[ 6 ] += tx * te[ 8 ];\n\t\tte[ 1 ] += ty * te[ 2 ]; te[ 4 ] += ty * te[ 5 ]; te[ 7 ] += ty * te[ 8 ];\n\n\t\treturn this;\n\n\t}\n\n\tequals( matrix ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = matrix.elements;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst te = this.elements;\n\n\t\tarray[ offset ] = te[ 0 ];\n\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\tarray[ offset + 2 ] = te[ 2 ];\n\n\t\tarray[ offset + 3 ] = te[ 3 ];\n\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\tarray[ offset + 5 ] = te[ 5 ];\n\n\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\tarray[ offset + 7 ] = te[ 7 ];\n\t\tarray[ offset + 8 ] = te[ 8 ];\n\n\t\treturn array;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().fromArray( this.elements );\n\n\t}\n\n}\n\nMatrix3.prototype.isMatrix3 = true;\n\nfunction arrayMax( array ) {\n\n\tif ( array.length === 0 ) return - Infinity;\n\n\tlet max = array[ 0 ];\n\n\tfor ( let i = 1, l = array.length; i < l; ++ i ) {\n\n\t\tif ( array[ i ] > max ) max = array[ i ];\n\n\t}\n\n\treturn max;\n\n}\n\nconst TYPED_ARRAYS = {\n\tInt8Array: Int8Array,\n\tUint8Array: Uint8Array,\n\tUint8ClampedArray: Uint8ClampedArray,\n\tInt16Array: Int16Array,\n\tUint16Array: Uint16Array,\n\tInt32Array: Int32Array,\n\tUint32Array: Uint32Array,\n\tFloat32Array: Float32Array,\n\tFloat64Array: Float64Array\n};\n\nfunction getTypedArray( type, buffer ) {\n\n\treturn new TYPED_ARRAYS[ type ]( buffer );\n\n}\n\nfunction createElementNS( name ) {\n\n\treturn document.createElementNS( 'http://www.w3.org/1999/xhtml', name );\n\n}\n\n/**\n * cyrb53 hash for string from: https://stackoverflow.com/a/52171480\n *\n * Public Domain, @bryc - https://stackoverflow.com/users/815680/bryc\n *\n * It is roughly similar to the well-known MurmurHash/xxHash algorithms. It uses a combination\n * of multiplication and Xorshift to generate the hash, but not as thorough. As a result it's\n * faster than either would be in JavaScript and significantly simpler to implement. Keep in\n * mind this is not a secure algorithm, if privacy/security is a concern, this is not for you.\n *\n * @param {string} str\n * @param {number} seed, default 0\n * @returns number\n */\nfunction hashString( str, seed = 0 ) {\n\n\tlet h1 = 0xdeadbeef ^ seed, h2 = 0x41c6ce57 ^ seed;\n\n\tfor ( let i = 0, ch; i < str.length; i ++ ) {\n\n\t\tch = str.charCodeAt( i );\n\n\t\th1 = Math.imul( h1 ^ ch, 2654435761 );\n\n\t\th2 = Math.imul( h2 ^ ch, 1597334677 );\n\n\t}\n\n\th1 = Math.imul( h1 ^ ( h1 >>> 16 ), 2246822507 ) ^ Math.imul( h2 ^ ( h2 >>> 13 ), 3266489909 );\n\n\th2 = Math.imul( h2 ^ ( h2 >>> 16 ), 2246822507 ) ^ Math.imul( h1 ^ ( h1 >>> 13 ), 3266489909 );\n\n\treturn 4294967296 * ( 2097151 & h2 ) + ( h1 >>> 0 );\n\n}\n\nlet _canvas;\n\nclass ImageUtils {\n\n\tstatic getDataURL( image ) {\n\n\t\tif ( /^data:/i.test( image.src ) ) {\n\n\t\t\treturn image.src;\n\n\t\t}\n\n\t\tif ( typeof HTMLCanvasElement == 'undefined' ) {\n\n\t\t\treturn image.src;\n\n\t\t}\n\n\t\tlet canvas;\n\n\t\tif ( image instanceof HTMLCanvasElement ) {\n\n\t\t\tcanvas = image;\n\n\t\t} else {\n\n\t\t\tif ( _canvas === undefined ) _canvas = createElementNS( 'canvas' );\n\n\t\t\t_canvas.width = image.width;\n\t\t\t_canvas.height = image.height;\n\n\t\t\tconst context = _canvas.getContext( '2d' );\n\n\t\t\tif ( image instanceof ImageData ) {\n\n\t\t\t\tcontext.putImageData( image, 0, 0 );\n\n\t\t\t} else {\n\n\t\t\t\tcontext.drawImage( image, 0, 0, image.width, image.height );\n\n\t\t\t}\n\n\t\t\tcanvas = _canvas;\n\n\t\t}\n\n\t\tif ( canvas.width > 2048 || canvas.height > 2048 ) {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons', image );\n\n\t\t\treturn canvas.toDataURL( 'image/jpeg', 0.6 );\n\n\t\t} else {\n\n\t\t\treturn canvas.toDataURL( 'image/png' );\n\n\t\t}\n\n\t}\n\n}\n\nlet textureId = 0;\n\nclass Texture extends EventDispatcher {\n\n\tconstructor( image = Texture.DEFAULT_IMAGE, mapping = Texture.DEFAULT_MAPPING, wrapS = ClampToEdgeWrapping, wrapT = ClampToEdgeWrapping, magFilter = LinearFilter, minFilter = LinearMipmapLinearFilter, format = RGBAFormat, type = UnsignedByteType, anisotropy = 1, encoding = LinearEncoding ) {\n\n\t\tsuper();\n\n\t\tObject.defineProperty( this, 'id', { value: textureId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\n\t\tthis.image = image;\n\t\tthis.mipmaps = [];\n\n\t\tthis.mapping = mapping;\n\n\t\tthis.wrapS = wrapS;\n\t\tthis.wrapT = wrapT;\n\n\t\tthis.magFilter = magFilter;\n\t\tthis.minFilter = minFilter;\n\n\t\tthis.anisotropy = anisotropy;\n\n\t\tthis.format = format;\n\t\tthis.internalFormat = null;\n\t\tthis.type = type;\n\n\t\tthis.offset = new Vector2( 0, 0 );\n\t\tthis.repeat = new Vector2( 1, 1 );\n\t\tthis.center = new Vector2( 0, 0 );\n\t\tthis.rotation = 0;\n\n\t\tthis.matrixAutoUpdate = true;\n\t\tthis.matrix = new Matrix3();\n\n\t\tthis.generateMipmaps = true;\n\t\tthis.premultiplyAlpha = false;\n\t\tthis.flipY = true;\n\t\tthis.unpackAlignment = 4;\t// valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml)\n\n\t\t// Values of encoding !== THREE.LinearEncoding only supported on map, envMap and emissiveMap.\n\t\t//\n\t\t// Also changing the encoding after already used by a Material will not automatically make the Material\n\t\t// update. You need to explicitly call Material.needsUpdate to trigger it to recompile.\n\t\tthis.encoding = encoding;\n\n\t\tthis.userData = {};\n\n\t\tthis.version = 0;\n\t\tthis.onUpdate = null;\n\n\t\tthis.isRenderTargetTexture = false;\n\n\t}\n\n\tupdateMatrix() {\n\n\t\tthis.matrix.setUvTransform( this.offset.x, this.offset.y, this.repeat.x, this.repeat.y, this.rotation, this.center.x, this.center.y );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.image = source.image;\n\t\tthis.mipmaps = source.mipmaps.slice( 0 );\n\n\t\tthis.mapping = source.mapping;\n\n\t\tthis.wrapS = source.wrapS;\n\t\tthis.wrapT = source.wrapT;\n\n\t\tthis.magFilter = source.magFilter;\n\t\tthis.minFilter = source.minFilter;\n\n\t\tthis.anisotropy = source.anisotropy;\n\n\t\tthis.format = source.format;\n\t\tthis.internalFormat = source.internalFormat;\n\t\tthis.type = source.type;\n\n\t\tthis.offset.copy( source.offset );\n\t\tthis.repeat.copy( source.repeat );\n\t\tthis.center.copy( source.center );\n\t\tthis.rotation = source.rotation;\n\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\t\tthis.matrix.copy( source.matrix );\n\n\t\tthis.generateMipmaps = source.generateMipmaps;\n\t\tthis.premultiplyAlpha = source.premultiplyAlpha;\n\t\tthis.flipY = source.flipY;\n\t\tthis.unpackAlignment = source.unpackAlignment;\n\t\tthis.encoding = source.encoding;\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tif ( ! isRootObject && meta.textures[ this.uuid ] !== undefined ) {\n\n\t\t\treturn meta.textures[ this.uuid ];\n\n\t\t}\n\n\t\tconst output = {\n\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Texture',\n\t\t\t\tgenerator: 'Texture.toJSON'\n\t\t\t},\n\n\t\t\tuuid: this.uuid,\n\t\t\tname: this.name,\n\n\t\t\tmapping: this.mapping,\n\n\t\t\trepeat: [ this.repeat.x, this.repeat.y ],\n\t\t\toffset: [ this.offset.x, this.offset.y ],\n\t\t\tcenter: [ this.center.x, this.center.y ],\n\t\t\trotation: this.rotation,\n\n\t\t\twrap: [ this.wrapS, this.wrapT ],\n\n\t\t\tformat: this.format,\n\t\t\ttype: this.type,\n\t\t\tencoding: this.encoding,\n\n\t\t\tminFilter: this.minFilter,\n\t\t\tmagFilter: this.magFilter,\n\t\t\tanisotropy: this.anisotropy,\n\n\t\t\tflipY: this.flipY,\n\n\t\t\tpremultiplyAlpha: this.premultiplyAlpha,\n\t\t\tunpackAlignment: this.unpackAlignment\n\n\t\t};\n\n\t\tif ( this.image !== undefined ) {\n\n\t\t\t// TODO: Move to THREE.Image\n\n\t\t\tconst image = this.image;\n\n\t\t\tif ( image.uuid === undefined ) {\n\n\t\t\t\timage.uuid = generateUUID(); // UGH\n\n\t\t\t}\n\n\t\t\tif ( ! isRootObject && meta.images[ image.uuid ] === undefined ) {\n\n\t\t\t\tlet url;\n\n\t\t\t\tif ( Array.isArray( image ) ) {\n\n\t\t\t\t\t// process array of images e.g. CubeTexture\n\n\t\t\t\t\turl = [];\n\n\t\t\t\t\tfor ( let i = 0, l = image.length; i < l; i ++ ) {\n\n\t\t\t\t\t\t// check cube texture with data textures\n\n\t\t\t\t\t\tif ( image[ i ].isDataTexture ) {\n\n\t\t\t\t\t\t\turl.push( serializeImage( image[ i ].image ) );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\turl.push( serializeImage( image[ i ] ) );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// process single image\n\n\t\t\t\t\turl = serializeImage( image );\n\n\t\t\t\t}\n\n\t\t\t\tmeta.images[ image.uuid ] = {\n\t\t\t\t\tuuid: image.uuid,\n\t\t\t\t\turl: url\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\toutput.image = image.uuid;\n\n\t\t}\n\n\t\tif ( JSON.stringify( this.userData ) !== '{}' ) output.userData = this.userData;\n\n\t\tif ( ! isRootObject ) {\n\n\t\t\tmeta.textures[ this.uuid ] = output;\n\n\t\t}\n\n\t\treturn output;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n\ttransformUv( uv ) {\n\n\t\tif ( this.mapping !== UVMapping ) return uv;\n\n\t\tuv.applyMatrix3( this.matrix );\n\n\t\tif ( uv.x < 0 || uv.x > 1 ) {\n\n\t\t\tswitch ( this.wrapS ) {\n\n\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\tuv.x = uv.x < 0 ? 0 : 1;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\tif ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\tuv.x = Math.ceil( uv.x ) - uv.x;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( uv.y < 0 || uv.y > 1 ) {\n\n\t\t\tswitch ( this.wrapT ) {\n\n\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\tuv.y = uv.y < 0 ? 0 : 1;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\tif ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\tuv.y = Math.ceil( uv.y ) - uv.y;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.flipY ) {\n\n\t\t\tuv.y = 1 - uv.y;\n\n\t\t}\n\n\t\treturn uv;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n}\n\nTexture.DEFAULT_IMAGE = undefined;\nTexture.DEFAULT_MAPPING = UVMapping;\n\nTexture.prototype.isTexture = true;\n\nfunction serializeImage( image ) {\n\n\tif ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) ||\n\t\t( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) ||\n\t\t( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) {\n\n\t\t// default images\n\n\t\treturn ImageUtils.getDataURL( image );\n\n\t} else {\n\n\t\tif ( image.data ) {\n\n\t\t\t// images of DataTexture\n\n\t\t\treturn {\n\t\t\t\tdata: Array.prototype.slice.call( image.data ),\n\t\t\t\twidth: image.width,\n\t\t\t\theight: image.height,\n\t\t\t\ttype: image.data.constructor.name\n\t\t\t};\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.Texture: Unable to serialize Texture.' );\n\t\t\treturn {};\n\n\t\t}\n\n\t}\n\n}\n\nclass Vector4 {\n\n\tconstructor( x = 0, y = 0, z = 0, w = 1 ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\t\tthis.w = w;\n\n\t}\n\n\tget width() {\n\n\t\treturn this.z;\n\n\t}\n\n\tset width( value ) {\n\n\t\tthis.z = value;\n\n\t}\n\n\tget height() {\n\n\t\treturn this.w;\n\n\t}\n\n\tset height( value ) {\n\n\t\tthis.w = value;\n\n\t}\n\n\tset( x, y, z, w ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\t\tthis.w = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\t\tthis.z = scalar;\n\t\tthis.w = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetZ( z ) {\n\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetW( w ) {\n\n\t\tthis.w = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tcase 2: this.z = value; break;\n\t\t\tcase 3: this.w = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tcase 2: return this.z;\n\t\t\tcase 3: return this.w;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y, this.z, this.w );\n\n\t}\n\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\t\tthis.z = v.z;\n\t\tthis.w = ( v.w !== undefined ) ? v.w : 1;\n\n\t\treturn this;\n\n\t}\n\n\tadd( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\treturn this.addVectors( v, w );\n\n\t\t}\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\t\tthis.z += v.z;\n\t\tthis.w += v.w;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\t\tthis.z += s;\n\t\tthis.w += s;\n\n\t\treturn this;\n\n\t}\n\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\t\tthis.z = a.z + b.z;\n\t\tthis.w = a.w + b.w;\n\n\t\treturn this;\n\n\t}\n\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\t\tthis.z += v.z * s;\n\t\tthis.w += v.w * s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\treturn this.subVectors( v, w );\n\n\t\t}\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\t\tthis.z -= v.z;\n\t\tthis.w -= v.w;\n\n\t\treturn this;\n\n\t}\n\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\t\tthis.z -= s;\n\t\tthis.w -= s;\n\n\t\treturn this;\n\n\t}\n\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\t\tthis.z = a.z - b.z;\n\t\tthis.w = a.w - b.w;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( v ) {\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\t\tthis.z *= v.z;\n\t\tthis.w *= v.w;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\t\tthis.z *= scalar;\n\t\tthis.w *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z, w = this.w;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w;\n\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w;\n\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w;\n\t\tthis.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w;\n\n\t\treturn this;\n\n\t}\n\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\tsetAxisAngleFromQuaternion( q ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm\n\n\t\t// q is assumed to be normalized\n\n\t\tthis.w = 2 * Math.acos( q.w );\n\n\t\tconst s = Math.sqrt( 1 - q.w * q.w );\n\n\t\tif ( s < 0.0001 ) {\n\n\t\t\tthis.x = 1;\n\t\t\tthis.y = 0;\n\t\t\tthis.z = 0;\n\n\t\t} else {\n\n\t\t\tthis.x = q.x / s;\n\t\t\tthis.y = q.y / s;\n\t\t\tthis.z = q.z / s;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetAxisAngleFromRotationMatrix( m ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tlet angle, x, y, z; // variables for result\n\t\tconst epsilon = 0.01,\t\t// margin to allow for rounding errors\n\t\t\tepsilon2 = 0.1,\t\t// margin to distinguish between 0 and 180 degrees\n\n\t\t\tte = m.elements,\n\n\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\tif ( ( Math.abs( m12 - m21 ) < epsilon ) &&\n\t\t ( Math.abs( m13 - m31 ) < epsilon ) &&\n\t\t ( Math.abs( m23 - m32 ) < epsilon ) ) {\n\n\t\t\t// singularity found\n\t\t\t// first check for identity matrix which must have +1 for all terms\n\t\t\t// in leading diagonal and zero in other terms\n\n\t\t\tif ( ( Math.abs( m12 + m21 ) < epsilon2 ) &&\n\t\t\t ( Math.abs( m13 + m31 ) < epsilon2 ) &&\n\t\t\t ( Math.abs( m23 + m32 ) < epsilon2 ) &&\n\t\t\t ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) {\n\n\t\t\t\t// this singularity is identity matrix so angle = 0\n\n\t\t\t\tthis.set( 1, 0, 0, 0 );\n\n\t\t\t\treturn this; // zero angle, arbitrary axis\n\n\t\t\t}\n\n\t\t\t// otherwise this singularity is angle = 180\n\n\t\t\tangle = Math.PI;\n\n\t\t\tconst xx = ( m11 + 1 ) / 2;\n\t\t\tconst yy = ( m22 + 1 ) / 2;\n\t\t\tconst zz = ( m33 + 1 ) / 2;\n\t\t\tconst xy = ( m12 + m21 ) / 4;\n\t\t\tconst xz = ( m13 + m31 ) / 4;\n\t\t\tconst yz = ( m23 + m32 ) / 4;\n\n\t\t\tif ( ( xx > yy ) && ( xx > zz ) ) {\n\n\t\t\t\t// m11 is the largest diagonal term\n\n\t\t\t\tif ( xx < epsilon ) {\n\n\t\t\t\t\tx = 0;\n\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tx = Math.sqrt( xx );\n\t\t\t\t\ty = xy / x;\n\t\t\t\t\tz = xz / x;\n\n\t\t\t\t}\n\n\t\t\t} else if ( yy > zz ) {\n\n\t\t\t\t// m22 is the largest diagonal term\n\n\t\t\t\tif ( yy < epsilon ) {\n\n\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\ty = 0;\n\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t} else {\n\n\t\t\t\t\ty = Math.sqrt( yy );\n\t\t\t\t\tx = xy / y;\n\t\t\t\t\tz = yz / y;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// m33 is the largest diagonal term so base result on this\n\n\t\t\t\tif ( zz < epsilon ) {\n\n\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\tz = 0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tz = Math.sqrt( zz );\n\t\t\t\t\tx = xz / z;\n\t\t\t\t\ty = yz / z;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.set( x, y, z, angle );\n\n\t\t\treturn this; // return 180 deg rotation\n\n\t\t}\n\n\t\t// as we have reached here there are no singularities so we can handle normally\n\n\t\tlet s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) +\n\t\t\t( m13 - m31 ) * ( m13 - m31 ) +\n\t\t\t( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize\n\n\t\tif ( Math.abs( s ) < 0.001 ) s = 1;\n\n\t\t// prevent divide by zero, should not happen if matrix is orthogonal and should be\n\t\t// caught by singularity test above, but I've left it in just in case\n\n\t\tthis.x = ( m32 - m23 ) / s;\n\t\tthis.y = ( m13 - m31 ) / s;\n\t\tthis.z = ( m21 - m12 ) / s;\n\t\tthis.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 );\n\n\t\treturn this;\n\n\t}\n\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\t\tthis.z = Math.min( this.z, v.z );\n\t\tthis.w = Math.min( this.w, v.w );\n\n\t\treturn this;\n\n\t}\n\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\t\tthis.z = Math.max( this.z, v.z );\n\t\tthis.w = Math.max( this.w, v.w );\n\n\t\treturn this;\n\n\t}\n\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\t\tthis.w = Math.max( min.w, Math.min( max.w, this.w ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = Math.max( minVal, Math.min( maxVal, this.x ) );\n\t\tthis.y = Math.max( minVal, Math.min( maxVal, this.y ) );\n\t\tthis.z = Math.max( minVal, Math.min( maxVal, this.z ) );\n\t\tthis.w = Math.max( minVal, Math.min( maxVal, this.w ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) );\n\n\t}\n\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\t\tthis.z = Math.floor( this.z );\n\t\tthis.w = Math.floor( this.w );\n\n\t\treturn this;\n\n\t}\n\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\t\tthis.z = Math.ceil( this.z );\n\t\tthis.w = Math.ceil( this.w );\n\n\t\treturn this;\n\n\t}\n\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\t\tthis.z = Math.round( this.z );\n\t\tthis.w = Math.round( this.w );\n\n\t\treturn this;\n\n\t}\n\n\troundToZero() {\n\n\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\t\tthis.w = ( this.w < 0 ) ? Math.ceil( this.w ) : Math.floor( this.w );\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\t\tthis.z = - this.z;\n\t\tthis.w = - this.w;\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w;\n\n\t}\n\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w );\n\n\t}\n\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w );\n\n\t}\n\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\tthis.z += ( v.z - this.z ) * alpha;\n\t\tthis.w += ( v.w - this.w ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\t\tthis.z = v1.z + ( v2.z - v1.z ) * alpha;\n\t\tthis.w = v1.w + ( v2.w - v1.w ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\t\tthis.z = array[ offset + 2 ];\n\t\tthis.w = array[ offset + 3 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\t\tarray[ offset + 2 ] = this.z;\n\t\tarray[ offset + 3 ] = this.w;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index, offset ) {\n\n\t\tif ( offset !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector4: offset has been removed from .fromBufferAttribute().' );\n\n\t\t}\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\t\tthis.z = attribute.getZ( index );\n\t\tthis.w = attribute.getW( index );\n\n\t\treturn this;\n\n\t}\n\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\t\tthis.z = Math.random();\n\t\tthis.w = Math.random();\n\n\t\treturn this;\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.x;\n\t\tyield this.y;\n\t\tyield this.z;\n\t\tyield this.w;\n\n\t}\n\n}\n\nVector4.prototype.isVector4 = true;\n\n/*\n In options, we can specify:\n * Texture parameters for an auto-generated target texture\n * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers\n*/\nclass WebGLRenderTarget extends EventDispatcher {\n\n\tconstructor( width, height, options = {} ) {\n\n\t\tsuper();\n\n\t\tthis.width = width;\n\t\tthis.height = height;\n\t\tthis.depth = 1;\n\n\t\tthis.scissor = new Vector4( 0, 0, width, height );\n\t\tthis.scissorTest = false;\n\n\t\tthis.viewport = new Vector4( 0, 0, width, height );\n\n\t\tthis.texture = new Texture( undefined, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding );\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t\tthis.texture.image = { width: width, height: height, depth: 1 };\n\n\t\tthis.texture.generateMipmaps = options.generateMipmaps !== undefined ? options.generateMipmaps : false;\n\t\tthis.texture.internalFormat = options.internalFormat !== undefined ? options.internalFormat : null;\n\t\tthis.texture.minFilter = options.minFilter !== undefined ? options.minFilter : LinearFilter;\n\n\t\tthis.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true;\n\t\tthis.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : false;\n\t\tthis.depthTexture = options.depthTexture !== undefined ? options.depthTexture : null;\n\n\t}\n\n\tsetTexture( texture ) {\n\n\t\ttexture.image = {\n\t\t\twidth: this.width,\n\t\t\theight: this.height,\n\t\t\tdepth: this.depth\n\t\t};\n\n\t\tthis.texture = texture;\n\n\t}\n\n\tsetSize( width, height, depth = 1 ) {\n\n\t\tif ( this.width !== width || this.height !== height || this.depth !== depth ) {\n\n\t\t\tthis.width = width;\n\t\t\tthis.height = height;\n\t\t\tthis.depth = depth;\n\n\t\t\tthis.texture.image.width = width;\n\t\t\tthis.texture.image.height = height;\n\t\t\tthis.texture.image.depth = depth;\n\n\t\t\tthis.dispose();\n\n\t\t}\n\n\t\tthis.viewport.set( 0, 0, width, height );\n\t\tthis.scissor.set( 0, 0, width, height );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.width = source.width;\n\t\tthis.height = source.height;\n\t\tthis.depth = source.depth;\n\n\t\tthis.viewport.copy( source.viewport );\n\n\t\tthis.texture = source.texture.clone();\n\t\tthis.texture.image = { ...this.texture.image }; // See #20328.\n\n\t\tthis.depthBuffer = source.depthBuffer;\n\t\tthis.stencilBuffer = source.stencilBuffer;\n\t\tthis.depthTexture = source.depthTexture;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n}\n\nWebGLRenderTarget.prototype.isWebGLRenderTarget = true;\n\nclass WebGLMultipleRenderTargets extends WebGLRenderTarget {\n\n\tconstructor( width, height, count ) {\n\n\t\tsuper( width, height );\n\n\t\tconst texture = this.texture;\n\n\t\tthis.texture = [];\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tthis.texture[ i ] = texture.clone();\n\n\t\t}\n\n\t}\n\n\tsetSize( width, height, depth = 1 ) {\n\n\t\tif ( this.width !== width || this.height !== height || this.depth !== depth ) {\n\n\t\t\tthis.width = width;\n\t\t\tthis.height = height;\n\t\t\tthis.depth = depth;\n\n\t\t\tfor ( let i = 0, il = this.texture.length; i < il; i ++ ) {\n\n\t\t\t\tthis.texture[ i ].image.width = width;\n\t\t\t\tthis.texture[ i ].image.height = height;\n\t\t\t\tthis.texture[ i ].image.depth = depth;\n\n\t\t\t}\n\n\t\t\tthis.dispose();\n\n\t\t}\n\n\t\tthis.viewport.set( 0, 0, width, height );\n\t\tthis.scissor.set( 0, 0, width, height );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.dispose();\n\n\t\tthis.width = source.width;\n\t\tthis.height = source.height;\n\t\tthis.depth = source.depth;\n\n\t\tthis.viewport.set( 0, 0, this.width, this.height );\n\t\tthis.scissor.set( 0, 0, this.width, this.height );\n\n\t\tthis.depthBuffer = source.depthBuffer;\n\t\tthis.stencilBuffer = source.stencilBuffer;\n\t\tthis.depthTexture = source.depthTexture;\n\n\t\tthis.texture.length = 0;\n\n\t\tfor ( let i = 0, il = source.texture.length; i < il; i ++ ) {\n\n\t\t\tthis.texture[ i ] = source.texture[ i ].clone();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nWebGLMultipleRenderTargets.prototype.isWebGLMultipleRenderTargets = true;\n\nclass WebGLMultisampleRenderTarget extends WebGLRenderTarget {\n\n\tconstructor( width, height, options = {} ) {\n\n\t\tsuper( width, height, options );\n\n\t\tthis.samples = 4;\n\n\t\tthis.ignoreDepthForMultisampleCopy = options.ignoreDepth !== undefined ? options.ignoreDepth : true;\n\t\tthis.useRenderToTexture = ( options.useRenderToTexture !== undefined ) ? options.useRenderToTexture : false;\n\t\tthis.useRenderbuffer = this.useRenderToTexture === false;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy.call( this, source );\n\n\t\tthis.samples = source.samples;\n\t\tthis.useRenderToTexture = source.useRenderToTexture;\n\t\tthis.useRenderbuffer = source.useRenderbuffer;\n\n\t\treturn this;\n\n\t}\n\n}\n\nWebGLMultisampleRenderTarget.prototype.isWebGLMultisampleRenderTarget = true;\n\nclass Quaternion {\n\n\tconstructor( x = 0, y = 0, z = 0, w = 1 ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._w = w;\n\n\t}\n\n\tstatic slerp( qa, qb, qm, t ) {\n\n\t\tconsole.warn( 'THREE.Quaternion: Static .slerp() has been deprecated. Use qm.slerpQuaternions( qa, qb, t ) instead.' );\n\t\treturn qm.slerpQuaternions( qa, qb, t );\n\n\t}\n\n\tstatic slerpFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) {\n\n\t\t// fuzz-free, array-based Quaternion SLERP operation\n\n\t\tlet x0 = src0[ srcOffset0 + 0 ],\n\t\t\ty0 = src0[ srcOffset0 + 1 ],\n\t\t\tz0 = src0[ srcOffset0 + 2 ],\n\t\t\tw0 = src0[ srcOffset0 + 3 ];\n\n\t\tconst x1 = src1[ srcOffset1 + 0 ],\n\t\t\ty1 = src1[ srcOffset1 + 1 ],\n\t\t\tz1 = src1[ srcOffset1 + 2 ],\n\t\t\tw1 = src1[ srcOffset1 + 3 ];\n\n\t\tif ( t === 0 ) {\n\n\t\t\tdst[ dstOffset + 0 ] = x0;\n\t\t\tdst[ dstOffset + 1 ] = y0;\n\t\t\tdst[ dstOffset + 2 ] = z0;\n\t\t\tdst[ dstOffset + 3 ] = w0;\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( t === 1 ) {\n\n\t\t\tdst[ dstOffset + 0 ] = x1;\n\t\t\tdst[ dstOffset + 1 ] = y1;\n\t\t\tdst[ dstOffset + 2 ] = z1;\n\t\t\tdst[ dstOffset + 3 ] = w1;\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) {\n\n\t\t\tlet s = 1 - t;\n\t\t\tconst cos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1,\n\t\t\t\tdir = ( cos >= 0 ? 1 : - 1 ),\n\t\t\t\tsqrSin = 1 - cos * cos;\n\n\t\t\t// Skip the Slerp for tiny steps to avoid numeric problems:\n\t\t\tif ( sqrSin > Number.EPSILON ) {\n\n\t\t\t\tconst sin = Math.sqrt( sqrSin ),\n\t\t\t\t\tlen = Math.atan2( sin, cos * dir );\n\n\t\t\t\ts = Math.sin( s * len ) / sin;\n\t\t\t\tt = Math.sin( t * len ) / sin;\n\n\t\t\t}\n\n\t\t\tconst tDir = t * dir;\n\n\t\t\tx0 = x0 * s + x1 * tDir;\n\t\t\ty0 = y0 * s + y1 * tDir;\n\t\t\tz0 = z0 * s + z1 * tDir;\n\t\t\tw0 = w0 * s + w1 * tDir;\n\n\t\t\t// Normalize in case we just did a lerp:\n\t\t\tif ( s === 1 - t ) {\n\n\t\t\t\tconst f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 );\n\n\t\t\t\tx0 *= f;\n\t\t\t\ty0 *= f;\n\t\t\t\tz0 *= f;\n\t\t\t\tw0 *= f;\n\n\t\t\t}\n\n\t\t}\n\n\t\tdst[ dstOffset ] = x0;\n\t\tdst[ dstOffset + 1 ] = y0;\n\t\tdst[ dstOffset + 2 ] = z0;\n\t\tdst[ dstOffset + 3 ] = w0;\n\n\t}\n\n\tstatic multiplyQuaternionsFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1 ) {\n\n\t\tconst x0 = src0[ srcOffset0 ];\n\t\tconst y0 = src0[ srcOffset0 + 1 ];\n\t\tconst z0 = src0[ srcOffset0 + 2 ];\n\t\tconst w0 = src0[ srcOffset0 + 3 ];\n\n\t\tconst x1 = src1[ srcOffset1 ];\n\t\tconst y1 = src1[ srcOffset1 + 1 ];\n\t\tconst z1 = src1[ srcOffset1 + 2 ];\n\t\tconst w1 = src1[ srcOffset1 + 3 ];\n\n\t\tdst[ dstOffset ] = x0 * w1 + w0 * x1 + y0 * z1 - z0 * y1;\n\t\tdst[ dstOffset + 1 ] = y0 * w1 + w0 * y1 + z0 * x1 - x0 * z1;\n\t\tdst[ dstOffset + 2 ] = z0 * w1 + w0 * z1 + x0 * y1 - y0 * x1;\n\t\tdst[ dstOffset + 3 ] = w0 * w1 - x0 * x1 - y0 * y1 - z0 * z1;\n\n\t\treturn dst;\n\n\t}\n\n\tget x() {\n\n\t\treturn this._x;\n\n\t}\n\n\tset x( value ) {\n\n\t\tthis._x = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget y() {\n\n\t\treturn this._y;\n\n\t}\n\n\tset y( value ) {\n\n\t\tthis._y = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget z() {\n\n\t\treturn this._z;\n\n\t}\n\n\tset z( value ) {\n\n\t\tthis._z = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget w() {\n\n\t\treturn this._w;\n\n\t}\n\n\tset w( value ) {\n\n\t\tthis._w = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tset( x, y, z, w ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._w = w;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this._x, this._y, this._z, this._w );\n\n\t}\n\n\tcopy( quaternion ) {\n\n\t\tthis._x = quaternion.x;\n\t\tthis._y = quaternion.y;\n\t\tthis._z = quaternion.z;\n\t\tthis._w = quaternion.w;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromEuler( euler, update ) {\n\n\t\tif ( ! ( euler && euler.isEuler ) ) {\n\n\t\t\tthrow new Error( 'THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t}\n\n\t\tconst x = euler._x, y = euler._y, z = euler._z, order = euler._order;\n\n\t\t// http://www.mathworks.com/matlabcentral/fileexchange/\n\t\t// \t20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/\n\t\t//\tcontent/SpinCalc.m\n\n\t\tconst cos = Math.cos;\n\t\tconst sin = Math.sin;\n\n\t\tconst c1 = cos( x / 2 );\n\t\tconst c2 = cos( y / 2 );\n\t\tconst c3 = cos( z / 2 );\n\n\t\tconst s1 = sin( x / 2 );\n\t\tconst s2 = sin( y / 2 );\n\t\tconst s3 = sin( z / 2 );\n\n\t\tswitch ( order ) {\n\n\t\t\tcase 'XYZ':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'YXZ':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZXY':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZYX':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'YZX':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'XZY':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tconsole.warn( 'THREE.Quaternion: .setFromEuler() encountered an unknown order: ' + order );\n\n\t\t}\n\n\t\tif ( update !== false ) this._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromAxisAngle( axis, angle ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm\n\n\t\t// assumes axis is normalized\n\n\t\tconst halfAngle = angle / 2, s = Math.sin( halfAngle );\n\n\t\tthis._x = axis.x * s;\n\t\tthis._y = axis.y * s;\n\t\tthis._z = axis.z * s;\n\t\tthis._w = Math.cos( halfAngle );\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromRotationMatrix( m ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tconst te = m.elements,\n\n\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ],\n\n\t\t\ttrace = m11 + m22 + m33;\n\n\t\tif ( trace > 0 ) {\n\n\t\t\tconst s = 0.5 / Math.sqrt( trace + 1.0 );\n\n\t\t\tthis._w = 0.25 / s;\n\t\t\tthis._x = ( m32 - m23 ) * s;\n\t\t\tthis._y = ( m13 - m31 ) * s;\n\t\t\tthis._z = ( m21 - m12 ) * s;\n\n\t\t} else if ( m11 > m22 && m11 > m33 ) {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 );\n\n\t\t\tthis._w = ( m32 - m23 ) / s;\n\t\t\tthis._x = 0.25 * s;\n\t\t\tthis._y = ( m12 + m21 ) / s;\n\t\t\tthis._z = ( m13 + m31 ) / s;\n\n\t\t} else if ( m22 > m33 ) {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 );\n\n\t\t\tthis._w = ( m13 - m31 ) / s;\n\t\t\tthis._x = ( m12 + m21 ) / s;\n\t\t\tthis._y = 0.25 * s;\n\t\t\tthis._z = ( m23 + m32 ) / s;\n\n\t\t} else {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 );\n\n\t\t\tthis._w = ( m21 - m12 ) / s;\n\t\t\tthis._x = ( m13 + m31 ) / s;\n\t\t\tthis._y = ( m23 + m32 ) / s;\n\t\t\tthis._z = 0.25 * s;\n\n\t\t}\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromUnitVectors( vFrom, vTo ) {\n\n\t\t// assumes direction vectors vFrom and vTo are normalized\n\n\t\tlet r = vFrom.dot( vTo ) + 1;\n\n\t\tif ( r < Number.EPSILON ) {\n\n\t\t\t// vFrom and vTo point in opposite directions\n\n\t\t\tr = 0;\n\n\t\t\tif ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) {\n\n\t\t\t\tthis._x = - vFrom.y;\n\t\t\t\tthis._y = vFrom.x;\n\t\t\t\tthis._z = 0;\n\t\t\t\tthis._w = r;\n\n\t\t\t} else {\n\n\t\t\t\tthis._x = 0;\n\t\t\t\tthis._y = - vFrom.z;\n\t\t\t\tthis._z = vFrom.y;\n\t\t\t\tthis._w = r;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// crossVectors( vFrom, vTo ); // inlined to avoid cyclic dependency on Vector3\n\n\t\t\tthis._x = vFrom.y * vTo.z - vFrom.z * vTo.y;\n\t\t\tthis._y = vFrom.z * vTo.x - vFrom.x * vTo.z;\n\t\t\tthis._z = vFrom.x * vTo.y - vFrom.y * vTo.x;\n\t\t\tthis._w = r;\n\n\t\t}\n\n\t\treturn this.normalize();\n\n\t}\n\n\tangleTo( q ) {\n\n\t\treturn 2 * Math.acos( Math.abs( clamp( this.dot( q ), - 1, 1 ) ) );\n\n\t}\n\n\trotateTowards( q, step ) {\n\n\t\tconst angle = this.angleTo( q );\n\n\t\tif ( angle === 0 ) return this;\n\n\t\tconst t = Math.min( 1, step / angle );\n\n\t\tthis.slerp( q, t );\n\n\t\treturn this;\n\n\t}\n\n\tidentity() {\n\n\t\treturn this.set( 0, 0, 0, 1 );\n\n\t}\n\n\tinvert() {\n\n\t\t// quaternion is assumed to have unit length\n\n\t\treturn this.conjugate();\n\n\t}\n\n\tconjugate() {\n\n\t\tthis._x *= - 1;\n\t\tthis._y *= - 1;\n\t\tthis._z *= - 1;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w;\n\n\t}\n\n\tlengthSq() {\n\n\t\treturn this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w );\n\n\t}\n\n\tnormalize() {\n\n\t\tlet l = this.length();\n\n\t\tif ( l === 0 ) {\n\n\t\t\tthis._x = 0;\n\t\t\tthis._y = 0;\n\t\t\tthis._z = 0;\n\t\t\tthis._w = 1;\n\n\t\t} else {\n\n\t\t\tl = 1 / l;\n\n\t\t\tthis._x = this._x * l;\n\t\t\tthis._y = this._y * l;\n\t\t\tthis._z = this._z * l;\n\t\t\tthis._w = this._w * l;\n\n\t\t}\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( q, p ) {\n\n\t\tif ( p !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.' );\n\t\t\treturn this.multiplyQuaternions( q, p );\n\n\t\t}\n\n\t\treturn this.multiplyQuaternions( this, q );\n\n\t}\n\n\tpremultiply( q ) {\n\n\t\treturn this.multiplyQuaternions( q, this );\n\n\t}\n\n\tmultiplyQuaternions( a, b ) {\n\n\t\t// from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm\n\n\t\tconst qax = a._x, qay = a._y, qaz = a._z, qaw = a._w;\n\t\tconst qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w;\n\n\t\tthis._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby;\n\t\tthis._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz;\n\t\tthis._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx;\n\t\tthis._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tslerp( qb, t ) {\n\n\t\tif ( t === 0 ) return this;\n\t\tif ( t === 1 ) return this.copy( qb );\n\n\t\tconst x = this._x, y = this._y, z = this._z, w = this._w;\n\n\t\t// http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/\n\n\t\tlet cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z;\n\n\t\tif ( cosHalfTheta < 0 ) {\n\n\t\t\tthis._w = - qb._w;\n\t\t\tthis._x = - qb._x;\n\t\t\tthis._y = - qb._y;\n\t\t\tthis._z = - qb._z;\n\n\t\t\tcosHalfTheta = - cosHalfTheta;\n\n\t\t} else {\n\n\t\t\tthis.copy( qb );\n\n\t\t}\n\n\t\tif ( cosHalfTheta >= 1.0 ) {\n\n\t\t\tthis._w = w;\n\t\t\tthis._x = x;\n\t\t\tthis._y = y;\n\t\t\tthis._z = z;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst sqrSinHalfTheta = 1.0 - cosHalfTheta * cosHalfTheta;\n\n\t\tif ( sqrSinHalfTheta <= Number.EPSILON ) {\n\n\t\t\tconst s = 1 - t;\n\t\t\tthis._w = s * w + t * this._w;\n\t\t\tthis._x = s * x + t * this._x;\n\t\t\tthis._y = s * y + t * this._y;\n\t\t\tthis._z = s * z + t * this._z;\n\n\t\t\tthis.normalize();\n\t\t\tthis._onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst sinHalfTheta = Math.sqrt( sqrSinHalfTheta );\n\t\tconst halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta );\n\t\tconst ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta,\n\t\t\tratioB = Math.sin( t * halfTheta ) / sinHalfTheta;\n\n\t\tthis._w = ( w * ratioA + this._w * ratioB );\n\t\tthis._x = ( x * ratioA + this._x * ratioB );\n\t\tthis._y = ( y * ratioA + this._y * ratioB );\n\t\tthis._z = ( z * ratioA + this._z * ratioB );\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tslerpQuaternions( qa, qb, t ) {\n\n\t\tthis.copy( qa ).slerp( qb, t );\n\n\t}\n\n\trandom() {\n\n\t\t// Derived from http://planning.cs.uiuc.edu/node198.html\n\t\t// Note, this source uses w, x, y, z ordering,\n\t\t// so we swap the order below.\n\n\t\tconst u1 = Math.random();\n\t\tconst sqrt1u1 = Math.sqrt( 1 - u1 );\n\t\tconst sqrtu1 = Math.sqrt( u1 );\n\n\t\tconst u2 = 2 * Math.PI * Math.random();\n\n\t\tconst u3 = 2 * Math.PI * Math.random();\n\n\t\treturn this.set(\n\t\t\tsqrt1u1 * Math.cos( u2 ),\n\t\t\tsqrtu1 * Math.sin( u3 ),\n\t\t\tsqrtu1 * Math.cos( u3 ),\n\t\t\tsqrt1u1 * Math.sin( u2 ),\n\t\t);\n\n\t}\n\n\tequals( quaternion ) {\n\n\t\treturn ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis._x = array[ offset ];\n\t\tthis._y = array[ offset + 1 ];\n\t\tthis._z = array[ offset + 2 ];\n\t\tthis._w = array[ offset + 3 ];\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this._x;\n\t\tarray[ offset + 1 ] = this._y;\n\t\tarray[ offset + 2 ] = this._z;\n\t\tarray[ offset + 3 ] = this._w;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis._x = attribute.getX( index );\n\t\tthis._y = attribute.getY( index );\n\t\tthis._z = attribute.getZ( index );\n\t\tthis._w = attribute.getW( index );\n\n\t\treturn this;\n\n\t}\n\n\t_onChange( callback ) {\n\n\t\tthis._onChangeCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\t_onChangeCallback() {}\n\n}\n\nQuaternion.prototype.isQuaternion = true;\n\nclass Vector3 {\n\n\tconstructor( x = 0, y = 0, z = 0 ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\n\t}\n\n\tset( x, y, z ) {\n\n\t\tif ( z === undefined ) z = this.z; // sprite.scale.set(x,y)\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\t\tthis.z = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetZ( z ) {\n\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tcase 2: this.z = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tcase 2: return this.z;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y, this.z );\n\n\t}\n\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\t\tthis.z = v.z;\n\n\t\treturn this;\n\n\t}\n\n\tadd( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\treturn this.addVectors( v, w );\n\n\t\t}\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\t\tthis.z += v.z;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\t\tthis.z += s;\n\n\t\treturn this;\n\n\t}\n\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\t\tthis.z = a.z + b.z;\n\n\t\treturn this;\n\n\t}\n\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\t\tthis.z += v.z * s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\treturn this.subVectors( v, w );\n\n\t\t}\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\t\tthis.z -= v.z;\n\n\t\treturn this;\n\n\t}\n\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\t\tthis.z -= s;\n\n\t\treturn this;\n\n\t}\n\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\t\tthis.z = a.z - b.z;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.' );\n\t\t\treturn this.multiplyVectors( v, w );\n\n\t\t}\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\t\tthis.z *= v.z;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\t\tthis.z *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyVectors( a, b ) {\n\n\t\tthis.x = a.x * b.x;\n\t\tthis.y = a.y * b.y;\n\t\tthis.z = a.z * b.z;\n\n\t\treturn this;\n\n\t}\n\n\tapplyEuler( euler ) {\n\n\t\tif ( ! ( euler && euler.isEuler ) ) {\n\n\t\t\tconsole.error( 'THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t}\n\n\t\treturn this.applyQuaternion( _quaternion$4.setFromEuler( euler ) );\n\n\t}\n\n\tapplyAxisAngle( axis, angle ) {\n\n\t\treturn this.applyQuaternion( _quaternion$4.setFromAxisAngle( axis, angle ) );\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z;\n\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z;\n\t\tthis.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z;\n\n\t\treturn this;\n\n\t}\n\n\tapplyNormalMatrix( m ) {\n\n\t\treturn this.applyMatrix3( m ).normalize();\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tconst w = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] );\n\n\t\tthis.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * w;\n\t\tthis.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * w;\n\t\tthis.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * w;\n\n\t\treturn this;\n\n\t}\n\n\tapplyQuaternion( q ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst qx = q.x, qy = q.y, qz = q.z, qw = q.w;\n\n\t\t// calculate quat * vector\n\n\t\tconst ix = qw * x + qy * z - qz * y;\n\t\tconst iy = qw * y + qz * x - qx * z;\n\t\tconst iz = qw * z + qx * y - qy * x;\n\t\tconst iw = - qx * x - qy * y - qz * z;\n\n\t\t// calculate result * inverse quat\n\n\t\tthis.x = ix * qw + iw * - qx + iy * - qz - iz * - qy;\n\t\tthis.y = iy * qw + iw * - qy + iz * - qx - ix * - qz;\n\t\tthis.z = iz * qw + iw * - qz + ix * - qy - iy * - qx;\n\n\t\treturn this;\n\n\t}\n\n\tproject( camera ) {\n\n\t\treturn this.applyMatrix4( camera.matrixWorldInverse ).applyMatrix4( camera.projectionMatrix );\n\n\t}\n\n\tunproject( camera ) {\n\n\t\treturn this.applyMatrix4( camera.projectionMatrixInverse ).applyMatrix4( camera.matrixWorld );\n\n\t}\n\n\ttransformDirection( m ) {\n\n\t\t// input: THREE.Matrix4 affine matrix\n\t\t// vector interpreted as a direction\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z;\n\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z;\n\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z;\n\n\t\treturn this.normalize();\n\n\t}\n\n\tdivide( v ) {\n\n\t\tthis.x /= v.x;\n\t\tthis.y /= v.y;\n\t\tthis.z /= v.z;\n\n\t\treturn this;\n\n\t}\n\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\t\tthis.z = Math.min( this.z, v.z );\n\n\t\treturn this;\n\n\t}\n\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\t\tthis.z = Math.max( this.z, v.z );\n\n\t\treturn this;\n\n\t}\n\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = Math.max( minVal, Math.min( maxVal, this.x ) );\n\t\tthis.y = Math.max( minVal, Math.min( maxVal, this.y ) );\n\t\tthis.z = Math.max( minVal, Math.min( maxVal, this.z ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) );\n\n\t}\n\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\t\tthis.z = Math.floor( this.z );\n\n\t\treturn this;\n\n\t}\n\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\t\tthis.z = Math.ceil( this.z );\n\n\t\treturn this;\n\n\t}\n\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\t\tthis.z = Math.round( this.z );\n\n\t\treturn this;\n\n\t}\n\n\troundToZero() {\n\n\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\t\tthis.z = - this.z;\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y + this.z * v.z;\n\n\t}\n\n\t// TODO lengthSquared?\n\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y + this.z * this.z;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z );\n\n\t}\n\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z );\n\n\t}\n\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\tthis.z += ( v.z - this.z ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\t\tthis.z = v1.z + ( v2.z - v1.z ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tcross( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.' );\n\t\t\treturn this.crossVectors( v, w );\n\n\t\t}\n\n\t\treturn this.crossVectors( this, v );\n\n\t}\n\n\tcrossVectors( a, b ) {\n\n\t\tconst ax = a.x, ay = a.y, az = a.z;\n\t\tconst bx = b.x, by = b.y, bz = b.z;\n\n\t\tthis.x = ay * bz - az * by;\n\t\tthis.y = az * bx - ax * bz;\n\t\tthis.z = ax * by - ay * bx;\n\n\t\treturn this;\n\n\t}\n\n\tprojectOnVector( v ) {\n\n\t\tconst denominator = v.lengthSq();\n\n\t\tif ( denominator === 0 ) return this.set( 0, 0, 0 );\n\n\t\tconst scalar = v.dot( this ) / denominator;\n\n\t\treturn this.copy( v ).multiplyScalar( scalar );\n\n\t}\n\n\tprojectOnPlane( planeNormal ) {\n\n\t\t_vector$c.copy( this ).projectOnVector( planeNormal );\n\n\t\treturn this.sub( _vector$c );\n\n\t}\n\n\treflect( normal ) {\n\n\t\t// reflect incident vector off plane orthogonal to normal\n\t\t// normal is assumed to have unit length\n\n\t\treturn this.sub( _vector$c.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) );\n\n\t}\n\n\tangleTo( v ) {\n\n\t\tconst denominator = Math.sqrt( this.lengthSq() * v.lengthSq() );\n\n\t\tif ( denominator === 0 ) return Math.PI / 2;\n\n\t\tconst theta = this.dot( v ) / denominator;\n\n\t\t// clamp, to handle numerical problems\n\n\t\treturn Math.acos( clamp( theta, - 1, 1 ) );\n\n\t}\n\n\tdistanceTo( v ) {\n\n\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t}\n\n\tdistanceToSquared( v ) {\n\n\t\tconst dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z;\n\n\t\treturn dx * dx + dy * dy + dz * dz;\n\n\t}\n\n\tmanhattanDistanceTo( v ) {\n\n\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z );\n\n\t}\n\n\tsetFromSpherical( s ) {\n\n\t\treturn this.setFromSphericalCoords( s.radius, s.phi, s.theta );\n\n\t}\n\n\tsetFromSphericalCoords( radius, phi, theta ) {\n\n\t\tconst sinPhiRadius = Math.sin( phi ) * radius;\n\n\t\tthis.x = sinPhiRadius * Math.sin( theta );\n\t\tthis.y = Math.cos( phi ) * radius;\n\t\tthis.z = sinPhiRadius * Math.cos( theta );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCylindrical( c ) {\n\n\t\treturn this.setFromCylindricalCoords( c.radius, c.theta, c.y );\n\n\t}\n\n\tsetFromCylindricalCoords( radius, theta, y ) {\n\n\t\tthis.x = radius * Math.sin( theta );\n\t\tthis.y = y;\n\t\tthis.z = radius * Math.cos( theta );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixPosition( m ) {\n\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 12 ];\n\t\tthis.y = e[ 13 ];\n\t\tthis.z = e[ 14 ];\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixScale( m ) {\n\n\t\tconst sx = this.setFromMatrixColumn( m, 0 ).length();\n\t\tconst sy = this.setFromMatrixColumn( m, 1 ).length();\n\t\tconst sz = this.setFromMatrixColumn( m, 2 ).length();\n\n\t\tthis.x = sx;\n\t\tthis.y = sy;\n\t\tthis.z = sz;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixColumn( m, index ) {\n\n\t\treturn this.fromArray( m.elements, index * 4 );\n\n\t}\n\n\tsetFromMatrix3Column( m, index ) {\n\n\t\treturn this.fromArray( m.elements, index * 3 );\n\n\t}\n\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\t\tthis.z = array[ offset + 2 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\t\tarray[ offset + 2 ] = this.z;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index, offset ) {\n\n\t\tif ( offset !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector3: offset has been removed from .fromBufferAttribute().' );\n\n\t\t}\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\t\tthis.z = attribute.getZ( index );\n\n\t\treturn this;\n\n\t}\n\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\t\tthis.z = Math.random();\n\n\t\treturn this;\n\n\t}\n\n\trandomDirection() {\n\n\t\t// Derived from https://mathworld.wolfram.com/SpherePointPicking.html\n\n\t\tconst u = ( Math.random() - 0.5 ) * 2;\n\t\tconst t = Math.random() * Math.PI * 2;\n\t\tconst f = Math.sqrt( 1 - u ** 2 );\n\n\t\tthis.x = f * Math.cos( t );\n\t\tthis.y = f * Math.sin( t );\n\t\tthis.z = u;\n\n\t\treturn this;\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.x;\n\t\tyield this.y;\n\t\tyield this.z;\n\n\t}\n\n}\n\nVector3.prototype.isVector3 = true;\n\nconst _vector$c = /*@__PURE__*/ new Vector3();\nconst _quaternion$4 = /*@__PURE__*/ new Quaternion();\n\nclass Box3 {\n\n\tconstructor( min = new Vector3( + Infinity, + Infinity, + Infinity ), max = new Vector3( - Infinity, - Infinity, - Infinity ) ) {\n\n\t\tthis.min = min;\n\t\tthis.max = max;\n\n\t}\n\n\tset( min, max ) {\n\n\t\tthis.min.copy( min );\n\t\tthis.max.copy( max );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromArray( array ) {\n\n\t\tlet minX = + Infinity;\n\t\tlet minY = + Infinity;\n\t\tlet minZ = + Infinity;\n\n\t\tlet maxX = - Infinity;\n\t\tlet maxY = - Infinity;\n\t\tlet maxZ = - Infinity;\n\n\t\tfor ( let i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\tconst x = array[ i ];\n\t\t\tconst y = array[ i + 1 ];\n\t\t\tconst z = array[ i + 2 ];\n\n\t\t\tif ( x < minX ) minX = x;\n\t\t\tif ( y < minY ) minY = y;\n\t\t\tif ( z < minZ ) minZ = z;\n\n\t\t\tif ( x > maxX ) maxX = x;\n\t\t\tif ( y > maxY ) maxY = y;\n\t\t\tif ( z > maxZ ) maxZ = z;\n\n\t\t}\n\n\t\tthis.min.set( minX, minY, minZ );\n\t\tthis.max.set( maxX, maxY, maxZ );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromBufferAttribute( attribute ) {\n\n\t\tlet minX = + Infinity;\n\t\tlet minY = + Infinity;\n\t\tlet minZ = + Infinity;\n\n\t\tlet maxX = - Infinity;\n\t\tlet maxY = - Infinity;\n\t\tlet maxZ = - Infinity;\n\n\t\tfor ( let i = 0, l = attribute.count; i < l; i ++ ) {\n\n\t\t\tconst x = attribute.getX( i );\n\t\t\tconst y = attribute.getY( i );\n\t\t\tconst z = attribute.getZ( i );\n\n\t\t\tif ( x < minX ) minX = x;\n\t\t\tif ( y < minY ) minY = y;\n\t\t\tif ( z < minZ ) minZ = z;\n\n\t\t\tif ( x > maxX ) maxX = x;\n\t\t\tif ( y > maxY ) maxY = y;\n\t\t\tif ( z > maxZ ) maxZ = z;\n\n\t\t}\n\n\t\tthis.min.set( minX, minY, minZ );\n\t\tthis.max.set( maxX, maxY, maxZ );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCenterAndSize( center, size ) {\n\n\t\tconst halfSize = _vector$b.copy( size ).multiplyScalar( 0.5 );\n\n\t\tthis.min.copy( center ).sub( halfSize );\n\t\tthis.max.copy( center ).add( halfSize );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromObject( object ) {\n\n\t\tthis.makeEmpty();\n\n\t\treturn this.expandByObject( object );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( box ) {\n\n\t\tthis.min.copy( box.min );\n\t\tthis.max.copy( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tmakeEmpty() {\n\n\t\tthis.min.x = this.min.y = this.min.z = + Infinity;\n\t\tthis.max.x = this.max.y = this.max.z = - Infinity;\n\n\t\treturn this;\n\n\t}\n\n\tisEmpty() {\n\n\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z );\n\n\t}\n\n\tgetCenter( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t}\n\n\tgetSize( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0, 0 ) : target.subVectors( this.max, this.min );\n\n\t}\n\n\texpandByPoint( point ) {\n\n\t\tthis.min.min( point );\n\t\tthis.max.max( point );\n\n\t\treturn this;\n\n\t}\n\n\texpandByVector( vector ) {\n\n\t\tthis.min.sub( vector );\n\t\tthis.max.add( vector );\n\n\t\treturn this;\n\n\t}\n\n\texpandByScalar( scalar ) {\n\n\t\tthis.min.addScalar( - scalar );\n\t\tthis.max.addScalar( scalar );\n\n\t\treturn this;\n\n\t}\n\n\texpandByObject( object ) {\n\n\t\t// Computes the world-axis-aligned bounding box of an object (including its children),\n\t\t// accounting for both the object's, and children's, world transforms\n\n\t\tobject.updateWorldMatrix( false, false );\n\n\t\tconst geometry = object.geometry;\n\n\t\tif ( geometry !== undefined ) {\n\n\t\t\tif ( geometry.boundingBox === null ) {\n\n\t\t\t\tgeometry.computeBoundingBox();\n\n\t\t\t}\n\n\t\t\t_box$3.copy( geometry.boundingBox );\n\t\t\t_box$3.applyMatrix4( object.matrixWorld );\n\n\t\t\tthis.union( _box$3 );\n\n\t\t}\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tthis.expandByObject( children[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn point.x < this.min.x || point.x > this.max.x ||\n\t\t\tpoint.y < this.min.y || point.y > this.max.y ||\n\t\t\tpoint.z < this.min.z || point.z > this.max.z ? false : true;\n\n\t}\n\n\tcontainsBox( box ) {\n\n\t\treturn this.min.x <= box.min.x && box.max.x <= this.max.x &&\n\t\t\tthis.min.y <= box.min.y && box.max.y <= this.max.y &&\n\t\t\tthis.min.z <= box.min.z && box.max.z <= this.max.z;\n\n\t}\n\n\tgetParameter( point, target ) {\n\n\t\t// This can potentially have a divide by zero if the box\n\t\t// has a size dimension of 0.\n\n\t\treturn target.set(\n\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y ),\n\t\t\t( point.z - this.min.z ) / ( this.max.z - this.min.z )\n\t\t);\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\t// using 6 splitting planes to rule out intersections.\n\t\treturn box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\tbox.max.y < this.min.y || box.min.y > this.max.y ||\n\t\t\tbox.max.z < this.min.z || box.min.z > this.max.z ? false : true;\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\t// Find the point on the AABB closest to the sphere center.\n\t\tthis.clampPoint( sphere.center, _vector$b );\n\n\t\t// If that point is inside the sphere, the AABB and sphere intersect.\n\t\treturn _vector$b.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t}\n\n\tintersectsPlane( plane ) {\n\n\t\t// We compute the minimum and maximum dot product values. If those values\n\t\t// are on the same side (back or front) of the plane, then there is no intersection.\n\n\t\tlet min, max;\n\n\t\tif ( plane.normal.x > 0 ) {\n\n\t\t\tmin = plane.normal.x * this.min.x;\n\t\t\tmax = plane.normal.x * this.max.x;\n\n\t\t} else {\n\n\t\t\tmin = plane.normal.x * this.max.x;\n\t\t\tmax = plane.normal.x * this.min.x;\n\n\t\t}\n\n\t\tif ( plane.normal.y > 0 ) {\n\n\t\t\tmin += plane.normal.y * this.min.y;\n\t\t\tmax += plane.normal.y * this.max.y;\n\n\t\t} else {\n\n\t\t\tmin += plane.normal.y * this.max.y;\n\t\t\tmax += plane.normal.y * this.min.y;\n\n\t\t}\n\n\t\tif ( plane.normal.z > 0 ) {\n\n\t\t\tmin += plane.normal.z * this.min.z;\n\t\t\tmax += plane.normal.z * this.max.z;\n\n\t\t} else {\n\n\t\t\tmin += plane.normal.z * this.max.z;\n\t\t\tmax += plane.normal.z * this.min.z;\n\n\t\t}\n\n\t\treturn ( min <= - plane.constant && max >= - plane.constant );\n\n\t}\n\n\tintersectsTriangle( triangle ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// compute box center and extents\n\t\tthis.getCenter( _center );\n\t\t_extents.subVectors( this.max, _center );\n\n\t\t// translate triangle to aabb origin\n\t\t_v0$2.subVectors( triangle.a, _center );\n\t\t_v1$7.subVectors( triangle.b, _center );\n\t\t_v2$3.subVectors( triangle.c, _center );\n\n\t\t// compute edge vectors for triangle\n\t\t_f0.subVectors( _v1$7, _v0$2 );\n\t\t_f1.subVectors( _v2$3, _v1$7 );\n\t\t_f2.subVectors( _v0$2, _v2$3 );\n\n\t\t// test against axes that are given by cross product combinations of the edges of the triangle and the edges of the aabb\n\t\t// make an axis testing of each of the 3 sides of the aabb against each of the 3 sides of the triangle = 9 axis of separation\n\t\t// axis_ij = u_i x f_j (u0, u1, u2 = face normals of aabb = x,y,z axes vectors since aabb is axis aligned)\n\t\tlet axes = [\n\t\t\t0, - _f0.z, _f0.y, 0, - _f1.z, _f1.y, 0, - _f2.z, _f2.y,\n\t\t\t_f0.z, 0, - _f0.x, _f1.z, 0, - _f1.x, _f2.z, 0, - _f2.x,\n\t\t\t- _f0.y, _f0.x, 0, - _f1.y, _f1.x, 0, - _f2.y, _f2.x, 0\n\t\t];\n\t\tif ( ! satForAxes( axes, _v0$2, _v1$7, _v2$3, _extents ) ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// test 3 face normals from the aabb\n\t\taxes = [ 1, 0, 0, 0, 1, 0, 0, 0, 1 ];\n\t\tif ( ! satForAxes( axes, _v0$2, _v1$7, _v2$3, _extents ) ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// finally testing the face normal of the triangle\n\t\t// use already existing triangle edge vectors here\n\t\t_triangleNormal.crossVectors( _f0, _f1 );\n\t\taxes = [ _triangleNormal.x, _triangleNormal.y, _triangleNormal.z ];\n\n\t\treturn satForAxes( axes, _v0$2, _v1$7, _v2$3, _extents );\n\n\t}\n\n\tclampPoint( point, target ) {\n\n\t\treturn target.copy( point ).clamp( this.min, this.max );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\tconst clampedPoint = _vector$b.copy( point ).clamp( this.min, this.max );\n\n\t\treturn clampedPoint.sub( point ).length();\n\n\t}\n\n\tgetBoundingSphere( target ) {\n\n\t\tthis.getCenter( target.center );\n\n\t\ttarget.radius = this.getSize( _vector$b ).length() * 0.5;\n\n\t\treturn target;\n\n\t}\n\n\tintersect( box ) {\n\n\t\tthis.min.max( box.min );\n\t\tthis.max.min( box.max );\n\n\t\t// ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values.\n\t\tif ( this.isEmpty() ) this.makeEmpty();\n\n\t\treturn this;\n\n\t}\n\n\tunion( box ) {\n\n\t\tthis.min.min( box.min );\n\t\tthis.max.max( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\t// transform of empty box is an empty box.\n\t\tif ( this.isEmpty() ) return this;\n\n\t\t// NOTE: I am using a binary pattern to specify all 2^3 combinations below\n\t\t_points[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000\n\t\t_points[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001\n\t\t_points[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010\n\t\t_points[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011\n\t\t_points[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100\n\t\t_points[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101\n\t\t_points[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110\n\t\t_points[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 111\n\n\t\tthis.setFromPoints( _points );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.min.add( offset );\n\t\tthis.max.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\tequals( box ) {\n\n\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t}\n\n}\n\nBox3.prototype.isBox3 = true;\n\nconst _points = [\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3()\n];\n\nconst _vector$b = /*@__PURE__*/ new Vector3();\n\nconst _box$3 = /*@__PURE__*/ new Box3();\n\n// triangle centered vertices\n\nconst _v0$2 = /*@__PURE__*/ new Vector3();\nconst _v1$7 = /*@__PURE__*/ new Vector3();\nconst _v2$3 = /*@__PURE__*/ new Vector3();\n\n// triangle edge vectors\n\nconst _f0 = /*@__PURE__*/ new Vector3();\nconst _f1 = /*@__PURE__*/ new Vector3();\nconst _f2 = /*@__PURE__*/ new Vector3();\n\nconst _center = /*@__PURE__*/ new Vector3();\nconst _extents = /*@__PURE__*/ new Vector3();\nconst _triangleNormal = /*@__PURE__*/ new Vector3();\nconst _testAxis = /*@__PURE__*/ new Vector3();\n\nfunction satForAxes( axes, v0, v1, v2, extents ) {\n\n\tfor ( let i = 0, j = axes.length - 3; i <= j; i += 3 ) {\n\n\t\t_testAxis.fromArray( axes, i );\n\t\t// project the aabb onto the seperating axis\n\t\tconst r = extents.x * Math.abs( _testAxis.x ) + extents.y * Math.abs( _testAxis.y ) + extents.z * Math.abs( _testAxis.z );\n\t\t// project all 3 vertices of the triangle onto the seperating axis\n\t\tconst p0 = v0.dot( _testAxis );\n\t\tconst p1 = v1.dot( _testAxis );\n\t\tconst p2 = v2.dot( _testAxis );\n\t\t// actual test, basically see if either of the most extreme of the triangle points intersects r\n\t\tif ( Math.max( - Math.max( p0, p1, p2 ), Math.min( p0, p1, p2 ) ) > r ) {\n\n\t\t\t// points of the projected triangle are outside the projected half-length of the aabb\n\t\t\t// the axis is seperating and we can exit\n\t\t\treturn false;\n\n\t\t}\n\n\t}\n\n\treturn true;\n\n}\n\nconst _box$2 = /*@__PURE__*/ new Box3();\nconst _v1$6 = /*@__PURE__*/ new Vector3();\nconst _toFarthestPoint = /*@__PURE__*/ new Vector3();\nconst _toPoint = /*@__PURE__*/ new Vector3();\n\nclass Sphere {\n\n\tconstructor( center = new Vector3(), radius = - 1 ) {\n\n\t\tthis.center = center;\n\t\tthis.radius = radius;\n\n\t}\n\n\tset( center, radius ) {\n\n\t\tthis.center.copy( center );\n\t\tthis.radius = radius;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points, optionalCenter ) {\n\n\t\tconst center = this.center;\n\n\t\tif ( optionalCenter !== undefined ) {\n\n\t\t\tcenter.copy( optionalCenter );\n\n\t\t} else {\n\n\t\t\t_box$2.setFromPoints( points ).getCenter( center );\n\n\t\t}\n\n\t\tlet maxRadiusSq = 0;\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) );\n\n\t\t}\n\n\t\tthis.radius = Math.sqrt( maxRadiusSq );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( sphere ) {\n\n\t\tthis.center.copy( sphere.center );\n\t\tthis.radius = sphere.radius;\n\n\t\treturn this;\n\n\t}\n\n\tisEmpty() {\n\n\t\treturn ( this.radius < 0 );\n\n\t}\n\n\tmakeEmpty() {\n\n\t\tthis.center.set( 0, 0, 0 );\n\t\tthis.radius = - 1;\n\n\t\treturn this;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn ( point.distanceTo( this.center ) - this.radius );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\tconst radiusSum = this.radius + sphere.radius;\n\n\t\treturn sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsSphere( this );\n\n\t}\n\n\tintersectsPlane( plane ) {\n\n\t\treturn Math.abs( plane.distanceToPoint( this.center ) ) <= this.radius;\n\n\t}\n\n\tclampPoint( point, target ) {\n\n\t\tconst deltaLengthSq = this.center.distanceToSquared( point );\n\n\t\ttarget.copy( point );\n\n\t\tif ( deltaLengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\ttarget.sub( this.center ).normalize();\n\t\t\ttarget.multiplyScalar( this.radius ).add( this.center );\n\n\t\t}\n\n\t\treturn target;\n\n\t}\n\n\tgetBoundingBox( target ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\t// Empty sphere produces empty bounding box\n\t\t\ttarget.makeEmpty();\n\t\t\treturn target;\n\n\t\t}\n\n\t\ttarget.set( this.center, this.center );\n\t\ttarget.expandByScalar( this.radius );\n\n\t\treturn target;\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tthis.center.applyMatrix4( matrix );\n\t\tthis.radius = this.radius * matrix.getMaxScaleOnAxis();\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.center.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\texpandByPoint( point ) {\n\n\t\t// from https://github.com/juj/MathGeoLib/blob/2940b99b99cfe575dd45103ef20f4019dee15b54/src/Geometry/Sphere.cpp#L649-L671\n\n\t\t_toPoint.subVectors( point, this.center );\n\n\t\tconst lengthSq = _toPoint.lengthSq();\n\n\t\tif ( lengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\tconst length = Math.sqrt( lengthSq );\n\t\t\tconst missingRadiusHalf = ( length - this.radius ) * 0.5;\n\n\t\t\t// Nudge this sphere towards the target point. Add half the missing distance to radius,\n\t\t\t// and the other half to position. This gives a tighter enclosure, instead of if\n\t\t\t// the whole missing distance were just added to radius.\n\n\t\t\tthis.center.add( _toPoint.multiplyScalar( missingRadiusHalf / length ) );\n\t\t\tthis.radius += missingRadiusHalf;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tunion( sphere ) {\n\n\t\t// from https://github.com/juj/MathGeoLib/blob/2940b99b99cfe575dd45103ef20f4019dee15b54/src/Geometry/Sphere.cpp#L759-L769\n\n\t\t// To enclose another sphere into this sphere, we only need to enclose two points:\n\t\t// 1) Enclose the farthest point on the other sphere into this sphere.\n\t\t// 2) Enclose the opposite point of the farthest point into this sphere.\n\n\t\t_toFarthestPoint.subVectors( sphere.center, this.center ).normalize().multiplyScalar( sphere.radius );\n\n\t\tthis.expandByPoint( _v1$6.copy( sphere.center ).add( _toFarthestPoint ) );\n\t\tthis.expandByPoint( _v1$6.copy( sphere.center ).sub( _toFarthestPoint ) );\n\n\t\treturn this;\n\n\t}\n\n\tequals( sphere ) {\n\n\t\treturn sphere.center.equals( this.center ) && ( sphere.radius === this.radius );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _vector$a = /*@__PURE__*/ new Vector3();\nconst _segCenter = /*@__PURE__*/ new Vector3();\nconst _segDir = /*@__PURE__*/ new Vector3();\nconst _diff = /*@__PURE__*/ new Vector3();\n\nconst _edge1 = /*@__PURE__*/ new Vector3();\nconst _edge2 = /*@__PURE__*/ new Vector3();\nconst _normal$1 = /*@__PURE__*/ new Vector3();\n\nclass Ray {\n\n\tconstructor( origin = new Vector3(), direction = new Vector3( 0, 0, - 1 ) ) {\n\n\t\tthis.origin = origin;\n\t\tthis.direction = direction;\n\n\t}\n\n\tset( origin, direction ) {\n\n\t\tthis.origin.copy( origin );\n\t\tthis.direction.copy( direction );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( ray ) {\n\n\t\tthis.origin.copy( ray.origin );\n\t\tthis.direction.copy( ray.direction );\n\n\t\treturn this;\n\n\t}\n\n\tat( t, target ) {\n\n\t\treturn target.copy( this.direction ).multiplyScalar( t ).add( this.origin );\n\n\t}\n\n\tlookAt( v ) {\n\n\t\tthis.direction.copy( v ).sub( this.origin ).normalize();\n\n\t\treturn this;\n\n\t}\n\n\trecast( t ) {\n\n\t\tthis.origin.copy( this.at( t, _vector$a ) );\n\n\t\treturn this;\n\n\t}\n\n\tclosestPointToPoint( point, target ) {\n\n\t\ttarget.subVectors( point, this.origin );\n\n\t\tconst directionDistance = target.dot( this.direction );\n\n\t\tif ( directionDistance < 0 ) {\n\n\t\t\treturn target.copy( this.origin );\n\n\t\t}\n\n\t\treturn target.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn Math.sqrt( this.distanceSqToPoint( point ) );\n\n\t}\n\n\tdistanceSqToPoint( point ) {\n\n\t\tconst directionDistance = _vector$a.subVectors( point, this.origin ).dot( this.direction );\n\n\t\t// point behind the ray\n\n\t\tif ( directionDistance < 0 ) {\n\n\t\t\treturn this.origin.distanceToSquared( point );\n\n\t\t}\n\n\t\t_vector$a.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t\treturn _vector$a.distanceToSquared( point );\n\n\t}\n\n\tdistanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) {\n\n\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteDistRaySegment.h\n\t\t// It returns the min distance between the ray and the segment\n\t\t// defined by v0 and v1\n\t\t// It can also set two optional targets :\n\t\t// - The closest point on the ray\n\t\t// - The closest point on the segment\n\n\t\t_segCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 );\n\t\t_segDir.copy( v1 ).sub( v0 ).normalize();\n\t\t_diff.copy( this.origin ).sub( _segCenter );\n\n\t\tconst segExtent = v0.distanceTo( v1 ) * 0.5;\n\t\tconst a01 = - this.direction.dot( _segDir );\n\t\tconst b0 = _diff.dot( this.direction );\n\t\tconst b1 = - _diff.dot( _segDir );\n\t\tconst c = _diff.lengthSq();\n\t\tconst det = Math.abs( 1 - a01 * a01 );\n\t\tlet s0, s1, sqrDist, extDet;\n\n\t\tif ( det > 0 ) {\n\n\t\t\t// The ray and segment are not parallel.\n\n\t\t\ts0 = a01 * b1 - b0;\n\t\t\ts1 = a01 * b0 - b1;\n\t\t\textDet = segExtent * det;\n\n\t\t\tif ( s0 >= 0 ) {\n\n\t\t\t\tif ( s1 >= - extDet ) {\n\n\t\t\t\t\tif ( s1 <= extDet ) {\n\n\t\t\t\t\t\t// region 0\n\t\t\t\t\t\t// Minimum at interior points of ray and segment.\n\n\t\t\t\t\t\tconst invDet = 1 / det;\n\t\t\t\t\t\ts0 *= invDet;\n\t\t\t\t\t\ts1 *= invDet;\n\t\t\t\t\t\tsqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// region 1\n\n\t\t\t\t\t\ts1 = segExtent;\n\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// region 5\n\n\t\t\t\t\ts1 = - segExtent;\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( s1 <= - extDet ) {\n\n\t\t\t\t\t// region 4\n\n\t\t\t\t\ts0 = Math.max( 0, - ( - a01 * segExtent + b0 ) );\n\t\t\t\t\ts1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t} else if ( s1 <= extDet ) {\n\n\t\t\t\t\t// region 3\n\n\t\t\t\t\ts0 = 0;\n\t\t\t\t\ts1 = Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// region 2\n\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * segExtent + b0 ) );\n\t\t\t\t\ts1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// Ray and segment are parallel.\n\n\t\t\ts1 = ( a01 > 0 ) ? - segExtent : segExtent;\n\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t}\n\n\t\tif ( optionalPointOnRay ) {\n\n\t\t\toptionalPointOnRay.copy( this.direction ).multiplyScalar( s0 ).add( this.origin );\n\n\t\t}\n\n\t\tif ( optionalPointOnSegment ) {\n\n\t\t\toptionalPointOnSegment.copy( _segDir ).multiplyScalar( s1 ).add( _segCenter );\n\n\t\t}\n\n\t\treturn sqrDist;\n\n\t}\n\n\tintersectSphere( sphere, target ) {\n\n\t\t_vector$a.subVectors( sphere.center, this.origin );\n\t\tconst tca = _vector$a.dot( this.direction );\n\t\tconst d2 = _vector$a.dot( _vector$a ) - tca * tca;\n\t\tconst radius2 = sphere.radius * sphere.radius;\n\n\t\tif ( d2 > radius2 ) return null;\n\n\t\tconst thc = Math.sqrt( radius2 - d2 );\n\n\t\t// t0 = first intersect point - entrance on front of sphere\n\t\tconst t0 = tca - thc;\n\n\t\t// t1 = second intersect point - exit point on back of sphere\n\t\tconst t1 = tca + thc;\n\n\t\t// test to see if both t0 and t1 are behind the ray - if so, return null\n\t\tif ( t0 < 0 && t1 < 0 ) return null;\n\n\t\t// test to see if t0 is behind the ray:\n\t\t// if it is, the ray is inside the sphere, so return the second exit point scaled by t1,\n\t\t// in order to always return an intersect point that is in front of the ray.\n\t\tif ( t0 < 0 ) return this.at( t1, target );\n\n\t\t// else t0 is in front of the ray, so return the first collision point scaled by t0\n\t\treturn this.at( t0, target );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\treturn this.distanceSqToPoint( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t}\n\n\tdistanceToPlane( plane ) {\n\n\t\tconst denominator = plane.normal.dot( this.direction );\n\n\t\tif ( denominator === 0 ) {\n\n\t\t\t// line is coplanar, return origin\n\t\t\tif ( plane.distanceToPoint( this.origin ) === 0 ) {\n\n\t\t\t\treturn 0;\n\n\t\t\t}\n\n\t\t\t// Null is preferable to undefined since undefined means.... it is undefined\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator;\n\n\t\t// Return if the ray never intersects the plane\n\n\t\treturn t >= 0 ? t : null;\n\n\t}\n\n\tintersectPlane( plane, target ) {\n\n\t\tconst t = this.distanceToPlane( plane );\n\n\t\tif ( t === null ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\treturn this.at( t, target );\n\n\t}\n\n\tintersectsPlane( plane ) {\n\n\t\t// check if the ray lies on the plane first\n\n\t\tconst distToPoint = plane.distanceToPoint( this.origin );\n\n\t\tif ( distToPoint === 0 ) {\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\tconst denominator = plane.normal.dot( this.direction );\n\n\t\tif ( denominator * distToPoint < 0 ) {\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\t// ray origin is behind the plane (and is pointing behind it)\n\n\t\treturn false;\n\n\t}\n\n\tintersectBox( box, target ) {\n\n\t\tlet tmin, tmax, tymin, tymax, tzmin, tzmax;\n\n\t\tconst invdirx = 1 / this.direction.x,\n\t\t\tinvdiry = 1 / this.direction.y,\n\t\t\tinvdirz = 1 / this.direction.z;\n\n\t\tconst origin = this.origin;\n\n\t\tif ( invdirx >= 0 ) {\n\n\t\t\ttmin = ( box.min.x - origin.x ) * invdirx;\n\t\t\ttmax = ( box.max.x - origin.x ) * invdirx;\n\n\t\t} else {\n\n\t\t\ttmin = ( box.max.x - origin.x ) * invdirx;\n\t\t\ttmax = ( box.min.x - origin.x ) * invdirx;\n\n\t\t}\n\n\t\tif ( invdiry >= 0 ) {\n\n\t\t\ttymin = ( box.min.y - origin.y ) * invdiry;\n\t\t\ttymax = ( box.max.y - origin.y ) * invdiry;\n\n\t\t} else {\n\n\t\t\ttymin = ( box.max.y - origin.y ) * invdiry;\n\t\t\ttymax = ( box.min.y - origin.y ) * invdiry;\n\n\t\t}\n\n\t\tif ( ( tmin > tymax ) || ( tymin > tmax ) ) return null;\n\n\t\t// These lines also handle the case where tmin or tmax is NaN\n\t\t// (result of 0 * Infinity). x !== x returns true if x is NaN\n\n\t\tif ( tymin > tmin || tmin !== tmin ) tmin = tymin;\n\n\t\tif ( tymax < tmax || tmax !== tmax ) tmax = tymax;\n\n\t\tif ( invdirz >= 0 ) {\n\n\t\t\ttzmin = ( box.min.z - origin.z ) * invdirz;\n\t\t\ttzmax = ( box.max.z - origin.z ) * invdirz;\n\n\t\t} else {\n\n\t\t\ttzmin = ( box.max.z - origin.z ) * invdirz;\n\t\t\ttzmax = ( box.min.z - origin.z ) * invdirz;\n\n\t\t}\n\n\t\tif ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null;\n\n\t\tif ( tzmin > tmin || tmin !== tmin ) tmin = tzmin;\n\n\t\tif ( tzmax < tmax || tmax !== tmax ) tmax = tzmax;\n\n\t\t//return point closest to the ray (positive side)\n\n\t\tif ( tmax < 0 ) return null;\n\n\t\treturn this.at( tmin >= 0 ? tmin : tmax, target );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn this.intersectBox( box, _vector$a ) !== null;\n\n\t}\n\n\tintersectTriangle( a, b, c, backfaceCulling, target ) {\n\n\t\t// Compute the offset origin, edges, and normal.\n\n\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h\n\n\t\t_edge1.subVectors( b, a );\n\t\t_edge2.subVectors( c, a );\n\t\t_normal$1.crossVectors( _edge1, _edge2 );\n\n\t\t// Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction,\n\t\t// E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by\n\t\t// |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2))\n\t\t// |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q))\n\t\t// |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N)\n\t\tlet DdN = this.direction.dot( _normal$1 );\n\t\tlet sign;\n\n\t\tif ( DdN > 0 ) {\n\n\t\t\tif ( backfaceCulling ) return null;\n\t\t\tsign = 1;\n\n\t\t} else if ( DdN < 0 ) {\n\n\t\t\tsign = - 1;\n\t\t\tDdN = - DdN;\n\n\t\t} else {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t_diff.subVectors( this.origin, a );\n\t\tconst DdQxE2 = sign * this.direction.dot( _edge2.crossVectors( _diff, _edge2 ) );\n\n\t\t// b1 < 0, no intersection\n\t\tif ( DdQxE2 < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst DdE1xQ = sign * this.direction.dot( _edge1.cross( _diff ) );\n\n\t\t// b2 < 0, no intersection\n\t\tif ( DdE1xQ < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// b1+b2 > 1, no intersection\n\t\tif ( DdQxE2 + DdE1xQ > DdN ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// Line intersects triangle, check if ray does.\n\t\tconst QdN = - sign * _diff.dot( _normal$1 );\n\n\t\t// t < 0, no intersection\n\t\tif ( QdN < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// Ray intersects triangle.\n\t\treturn this.at( QdN / DdN, target );\n\n\t}\n\n\tapplyMatrix4( matrix4 ) {\n\n\t\tthis.origin.applyMatrix4( matrix4 );\n\t\tthis.direction.transformDirection( matrix4 );\n\n\t\treturn this;\n\n\t}\n\n\tequals( ray ) {\n\n\t\treturn ray.origin.equals( this.origin ) && ray.direction.equals( this.direction );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nclass Matrix4 {\n\n\tconstructor() {\n\n\t\tthis.elements = [\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t];\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tset( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14;\n\t\tte[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24;\n\t\tte[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34;\n\t\tte[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44;\n\n\t\treturn this;\n\n\t}\n\n\tidentity() {\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new Matrix4().fromArray( this.elements );\n\n\t}\n\n\tcopy( m ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tte[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ]; te[ 3 ] = me[ 3 ];\n\t\tte[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ]; te[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ];\n\t\tte[ 8 ] = me[ 8 ]; te[ 9 ] = me[ 9 ]; te[ 10 ] = me[ 10 ]; te[ 11 ] = me[ 11 ];\n\t\tte[ 12 ] = me[ 12 ]; te[ 13 ] = me[ 13 ]; te[ 14 ] = me[ 14 ]; te[ 15 ] = me[ 15 ];\n\n\t\treturn this;\n\n\t}\n\n\tcopyPosition( m ) {\n\n\t\tconst te = this.elements, me = m.elements;\n\n\t\tte[ 12 ] = me[ 12 ];\n\t\tte[ 13 ] = me[ 13 ];\n\t\tte[ 14 ] = me[ 14 ];\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrix3( m ) {\n\n\t\tconst me = m.elements;\n\n\t\tthis.set(\n\n\t\t\tme[ 0 ], me[ 3 ], me[ 6 ], 0,\n\t\t\tme[ 1 ], me[ 4 ], me[ 7 ], 0,\n\t\t\tme[ 2 ], me[ 5 ], me[ 8 ], 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\textractBasis( xAxis, yAxis, zAxis ) {\n\n\t\txAxis.setFromMatrixColumn( this, 0 );\n\t\tyAxis.setFromMatrixColumn( this, 1 );\n\t\tzAxis.setFromMatrixColumn( this, 2 );\n\n\t\treturn this;\n\n\t}\n\n\tmakeBasis( xAxis, yAxis, zAxis ) {\n\n\t\tthis.set(\n\t\t\txAxis.x, yAxis.x, zAxis.x, 0,\n\t\t\txAxis.y, yAxis.y, zAxis.y, 0,\n\t\t\txAxis.z, yAxis.z, zAxis.z, 0,\n\t\t\t0, 0, 0, 1\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\textractRotation( m ) {\n\n\t\t// this method does not support reflection matrices\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tconst scaleX = 1 / _v1$5.setFromMatrixColumn( m, 0 ).length();\n\t\tconst scaleY = 1 / _v1$5.setFromMatrixColumn( m, 1 ).length();\n\t\tconst scaleZ = 1 / _v1$5.setFromMatrixColumn( m, 2 ).length();\n\n\t\tte[ 0 ] = me[ 0 ] * scaleX;\n\t\tte[ 1 ] = me[ 1 ] * scaleX;\n\t\tte[ 2 ] = me[ 2 ] * scaleX;\n\t\tte[ 3 ] = 0;\n\n\t\tte[ 4 ] = me[ 4 ] * scaleY;\n\t\tte[ 5 ] = me[ 5 ] * scaleY;\n\t\tte[ 6 ] = me[ 6 ] * scaleY;\n\t\tte[ 7 ] = 0;\n\n\t\tte[ 8 ] = me[ 8 ] * scaleZ;\n\t\tte[ 9 ] = me[ 9 ] * scaleZ;\n\t\tte[ 10 ] = me[ 10 ] * scaleZ;\n\t\tte[ 11 ] = 0;\n\n\t\tte[ 12 ] = 0;\n\t\tte[ 13 ] = 0;\n\t\tte[ 14 ] = 0;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationFromEuler( euler ) {\n\n\t\tif ( ! ( euler && euler.isEuler ) ) {\n\n\t\t\tconsole.error( 'THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.' );\n\n\t\t}\n\n\t\tconst te = this.elements;\n\n\t\tconst x = euler.x, y = euler.y, z = euler.z;\n\t\tconst a = Math.cos( x ), b = Math.sin( x );\n\t\tconst c = Math.cos( y ), d = Math.sin( y );\n\t\tconst e = Math.cos( z ), f = Math.sin( z );\n\n\t\tif ( euler.order === 'XYZ' ) {\n\n\t\t\tconst ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = - c * f;\n\t\t\tte[ 8 ] = d;\n\n\t\t\tte[ 1 ] = af + be * d;\n\t\t\tte[ 5 ] = ae - bf * d;\n\t\t\tte[ 9 ] = - b * c;\n\n\t\t\tte[ 2 ] = bf - ae * d;\n\t\t\tte[ 6 ] = be + af * d;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'YXZ' ) {\n\n\t\t\tconst ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\tte[ 0 ] = ce + df * b;\n\t\t\tte[ 4 ] = de * b - cf;\n\t\t\tte[ 8 ] = a * d;\n\n\t\t\tte[ 1 ] = a * f;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = - b;\n\n\t\t\tte[ 2 ] = cf * b - de;\n\t\t\tte[ 6 ] = df + ce * b;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'ZXY' ) {\n\n\t\t\tconst ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\tte[ 0 ] = ce - df * b;\n\t\t\tte[ 4 ] = - a * f;\n\t\t\tte[ 8 ] = de + cf * b;\n\n\t\t\tte[ 1 ] = cf + de * b;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = df - ce * b;\n\n\t\t\tte[ 2 ] = - a * d;\n\t\t\tte[ 6 ] = b;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'ZYX' ) {\n\n\t\t\tconst ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = be * d - af;\n\t\t\tte[ 8 ] = ae * d + bf;\n\n\t\t\tte[ 1 ] = c * f;\n\t\t\tte[ 5 ] = bf * d + ae;\n\t\t\tte[ 9 ] = af * d - be;\n\n\t\t\tte[ 2 ] = - d;\n\t\t\tte[ 6 ] = b * c;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'YZX' ) {\n\n\t\t\tconst ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = bd - ac * f;\n\t\t\tte[ 8 ] = bc * f + ad;\n\n\t\t\tte[ 1 ] = f;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = - b * e;\n\n\t\t\tte[ 2 ] = - d * e;\n\t\t\tte[ 6 ] = ad * f + bc;\n\t\t\tte[ 10 ] = ac - bd * f;\n\n\t\t} else if ( euler.order === 'XZY' ) {\n\n\t\t\tconst ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = - f;\n\t\t\tte[ 8 ] = d * e;\n\n\t\t\tte[ 1 ] = ac * f + bd;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = ad * f - bc;\n\n\t\t\tte[ 2 ] = bc * f - ad;\n\t\t\tte[ 6 ] = b * e;\n\t\t\tte[ 10 ] = bd * f + ac;\n\n\t\t}\n\n\t\t// bottom row\n\t\tte[ 3 ] = 0;\n\t\tte[ 7 ] = 0;\n\t\tte[ 11 ] = 0;\n\n\t\t// last column\n\t\tte[ 12 ] = 0;\n\t\tte[ 13 ] = 0;\n\t\tte[ 14 ] = 0;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationFromQuaternion( q ) {\n\n\t\treturn this.compose( _zero, q, _one );\n\n\t}\n\n\tlookAt( eye, target, up ) {\n\n\t\tconst te = this.elements;\n\n\t\t_z.subVectors( eye, target );\n\n\t\tif ( _z.lengthSq() === 0 ) {\n\n\t\t\t// eye and target are in the same position\n\n\t\t\t_z.z = 1;\n\n\t\t}\n\n\t\t_z.normalize();\n\t\t_x.crossVectors( up, _z );\n\n\t\tif ( _x.lengthSq() === 0 ) {\n\n\t\t\t// up and z are parallel\n\n\t\t\tif ( Math.abs( up.z ) === 1 ) {\n\n\t\t\t\t_z.x += 0.0001;\n\n\t\t\t} else {\n\n\t\t\t\t_z.z += 0.0001;\n\n\t\t\t}\n\n\t\t\t_z.normalize();\n\t\t\t_x.crossVectors( up, _z );\n\n\t\t}\n\n\t\t_x.normalize();\n\t\t_y.crossVectors( _z, _x );\n\n\t\tte[ 0 ] = _x.x; te[ 4 ] = _y.x; te[ 8 ] = _z.x;\n\t\tte[ 1 ] = _x.y; te[ 5 ] = _y.y; te[ 9 ] = _z.y;\n\t\tte[ 2 ] = _x.z; te[ 6 ] = _y.z; te[ 10 ] = _z.z;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( m, n ) {\n\n\t\tif ( n !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead.' );\n\t\t\treturn this.multiplyMatrices( m, n );\n\n\t\t}\n\n\t\treturn this.multiplyMatrices( this, m );\n\n\t}\n\n\tpremultiply( m ) {\n\n\t\treturn this.multiplyMatrices( m, this );\n\n\t}\n\n\tmultiplyMatrices( a, b ) {\n\n\t\tconst ae = a.elements;\n\t\tconst be = b.elements;\n\t\tconst te = this.elements;\n\n\t\tconst a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ];\n\t\tconst a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ];\n\t\tconst a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ];\n\t\tconst a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ];\n\n\t\tconst b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ];\n\t\tconst b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ];\n\t\tconst b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ];\n\t\tconst b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ];\n\n\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41;\n\t\tte[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42;\n\t\tte[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43;\n\t\tte[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44;\n\n\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41;\n\t\tte[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42;\n\t\tte[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43;\n\t\tte[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44;\n\n\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41;\n\t\tte[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42;\n\t\tte[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43;\n\t\tte[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44;\n\n\t\tte[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41;\n\t\tte[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42;\n\t\tte[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43;\n\t\tte[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( s ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s;\n\t\tte[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s;\n\t\tte[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s;\n\t\tte[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s;\n\n\t\treturn this;\n\n\t}\n\n\tdeterminant() {\n\n\t\tconst te = this.elements;\n\n\t\tconst n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ];\n\t\tconst n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ];\n\t\tconst n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ];\n\t\tconst n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ];\n\n\t\t//TODO: make this more efficient\n\t\t//( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm )\n\n\t\treturn (\n\t\t\tn41 * (\n\t\t\t\t+ n14 * n23 * n32\n\t\t\t\t - n13 * n24 * n32\n\t\t\t\t - n14 * n22 * n33\n\t\t\t\t + n12 * n24 * n33\n\t\t\t\t + n13 * n22 * n34\n\t\t\t\t - n12 * n23 * n34\n\t\t\t) +\n\t\t\tn42 * (\n\t\t\t\t+ n11 * n23 * n34\n\t\t\t\t - n11 * n24 * n33\n\t\t\t\t + n14 * n21 * n33\n\t\t\t\t - n13 * n21 * n34\n\t\t\t\t + n13 * n24 * n31\n\t\t\t\t - n14 * n23 * n31\n\t\t\t) +\n\t\t\tn43 * (\n\t\t\t\t+ n11 * n24 * n32\n\t\t\t\t - n11 * n22 * n34\n\t\t\t\t - n14 * n21 * n32\n\t\t\t\t + n12 * n21 * n34\n\t\t\t\t + n14 * n22 * n31\n\t\t\t\t - n12 * n24 * n31\n\t\t\t) +\n\t\t\tn44 * (\n\t\t\t\t- n13 * n22 * n31\n\t\t\t\t - n11 * n23 * n32\n\t\t\t\t + n11 * n22 * n33\n\t\t\t\t + n13 * n21 * n32\n\t\t\t\t - n12 * n21 * n33\n\t\t\t\t + n12 * n23 * n31\n\t\t\t)\n\n\t\t);\n\n\t}\n\n\ttranspose() {\n\n\t\tconst te = this.elements;\n\t\tlet tmp;\n\n\t\ttmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp;\n\t\ttmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp;\n\t\ttmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp;\n\n\t\ttmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp;\n\t\ttmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp;\n\t\ttmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp;\n\n\t\treturn this;\n\n\t}\n\n\tsetPosition( x, y, z ) {\n\n\t\tconst te = this.elements;\n\n\t\tif ( x.isVector3 ) {\n\n\t\t\tte[ 12 ] = x.x;\n\t\t\tte[ 13 ] = x.y;\n\t\t\tte[ 14 ] = x.z;\n\n\t\t} else {\n\n\t\t\tte[ 12 ] = x;\n\t\t\tte[ 13 ] = y;\n\t\t\tte[ 14 ] = z;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tinvert() {\n\n\t\t// based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm\n\t\tconst te = this.elements,\n\n\t\t\tn11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ], n41 = te[ 3 ],\n\t\t\tn12 = te[ 4 ], n22 = te[ 5 ], n32 = te[ 6 ], n42 = te[ 7 ],\n\t\t\tn13 = te[ 8 ], n23 = te[ 9 ], n33 = te[ 10 ], n43 = te[ 11 ],\n\t\t\tn14 = te[ 12 ], n24 = te[ 13 ], n34 = te[ 14 ], n44 = te[ 15 ],\n\n\t\t\tt11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44,\n\t\t\tt12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44,\n\t\t\tt13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44,\n\t\t\tt14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34;\n\n\t\tconst det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14;\n\n\t\tif ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 );\n\n\t\tconst detInv = 1 / det;\n\n\t\tte[ 0 ] = t11 * detInv;\n\t\tte[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv;\n\t\tte[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv;\n\t\tte[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv;\n\n\t\tte[ 4 ] = t12 * detInv;\n\t\tte[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv;\n\t\tte[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv;\n\t\tte[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv;\n\n\t\tte[ 8 ] = t13 * detInv;\n\t\tte[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv;\n\t\tte[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv;\n\t\tte[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv;\n\n\t\tte[ 12 ] = t14 * detInv;\n\t\tte[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv;\n\t\tte[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv;\n\t\tte[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv;\n\n\t\treturn this;\n\n\t}\n\n\tscale( v ) {\n\n\t\tconst te = this.elements;\n\t\tconst x = v.x, y = v.y, z = v.z;\n\n\t\tte[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z;\n\t\tte[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z;\n\t\tte[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z;\n\t\tte[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z;\n\n\t\treturn this;\n\n\t}\n\n\tgetMaxScaleOnAxis() {\n\n\t\tconst te = this.elements;\n\n\t\tconst scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ];\n\t\tconst scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ];\n\t\tconst scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ];\n\n\t\treturn Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) );\n\n\t}\n\n\tmakeTranslation( x, y, z ) {\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0, x,\n\t\t\t0, 1, 0, y,\n\t\t\t0, 0, 1, z,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationX( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, c, - s, 0,\n\t\t\t0, s, c, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationY( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\t c, 0, s, 0,\n\t\t\t 0, 1, 0, 0,\n\t\t\t- s, 0, c, 0,\n\t\t\t 0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationZ( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\tc, - s, 0, 0,\n\t\t\ts, c, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationAxis( axis, angle ) {\n\n\t\t// Based on http://www.gamedev.net/reference/articles/article1199.asp\n\n\t\tconst c = Math.cos( angle );\n\t\tconst s = Math.sin( angle );\n\t\tconst t = 1 - c;\n\t\tconst x = axis.x, y = axis.y, z = axis.z;\n\t\tconst tx = t * x, ty = t * y;\n\n\t\tthis.set(\n\n\t\t\ttx * x + c, tx * y - s * z, tx * z + s * y, 0,\n\t\t\ttx * y + s * z, ty * y + c, ty * z - s * x, 0,\n\t\t\ttx * z - s * y, ty * z + s * x, t * z * z + c, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeScale( x, y, z ) {\n\n\t\tthis.set(\n\n\t\t\tx, 0, 0, 0,\n\t\t\t0, y, 0, 0,\n\t\t\t0, 0, z, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeShear( xy, xz, yx, yz, zx, zy ) {\n\n\t\tthis.set(\n\n\t\t\t1, yx, zx, 0,\n\t\t\txy, 1, zy, 0,\n\t\t\txz, yz, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tcompose( position, quaternion, scale ) {\n\n\t\tconst te = this.elements;\n\n\t\tconst x = quaternion._x, y = quaternion._y, z = quaternion._z, w = quaternion._w;\n\t\tconst x2 = x + x,\ty2 = y + y, z2 = z + z;\n\t\tconst xx = x * x2, xy = x * y2, xz = x * z2;\n\t\tconst yy = y * y2, yz = y * z2, zz = z * z2;\n\t\tconst wx = w * x2, wy = w * y2, wz = w * z2;\n\n\t\tconst sx = scale.x, sy = scale.y, sz = scale.z;\n\n\t\tte[ 0 ] = ( 1 - ( yy + zz ) ) * sx;\n\t\tte[ 1 ] = ( xy + wz ) * sx;\n\t\tte[ 2 ] = ( xz - wy ) * sx;\n\t\tte[ 3 ] = 0;\n\n\t\tte[ 4 ] = ( xy - wz ) * sy;\n\t\tte[ 5 ] = ( 1 - ( xx + zz ) ) * sy;\n\t\tte[ 6 ] = ( yz + wx ) * sy;\n\t\tte[ 7 ] = 0;\n\n\t\tte[ 8 ] = ( xz + wy ) * sz;\n\t\tte[ 9 ] = ( yz - wx ) * sz;\n\t\tte[ 10 ] = ( 1 - ( xx + yy ) ) * sz;\n\t\tte[ 11 ] = 0;\n\n\t\tte[ 12 ] = position.x;\n\t\tte[ 13 ] = position.y;\n\t\tte[ 14 ] = position.z;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tdecompose( position, quaternion, scale ) {\n\n\t\tconst te = this.elements;\n\n\t\tlet sx = _v1$5.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length();\n\t\tconst sy = _v1$5.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length();\n\t\tconst sz = _v1$5.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length();\n\n\t\t// if determine is negative, we need to invert one scale\n\t\tconst det = this.determinant();\n\t\tif ( det < 0 ) sx = - sx;\n\n\t\tposition.x = te[ 12 ];\n\t\tposition.y = te[ 13 ];\n\t\tposition.z = te[ 14 ];\n\n\t\t// scale the rotation part\n\t\t_m1$2.copy( this );\n\n\t\tconst invSX = 1 / sx;\n\t\tconst invSY = 1 / sy;\n\t\tconst invSZ = 1 / sz;\n\n\t\t_m1$2.elements[ 0 ] *= invSX;\n\t\t_m1$2.elements[ 1 ] *= invSX;\n\t\t_m1$2.elements[ 2 ] *= invSX;\n\n\t\t_m1$2.elements[ 4 ] *= invSY;\n\t\t_m1$2.elements[ 5 ] *= invSY;\n\t\t_m1$2.elements[ 6 ] *= invSY;\n\n\t\t_m1$2.elements[ 8 ] *= invSZ;\n\t\t_m1$2.elements[ 9 ] *= invSZ;\n\t\t_m1$2.elements[ 10 ] *= invSZ;\n\n\t\tquaternion.setFromRotationMatrix( _m1$2 );\n\n\t\tscale.x = sx;\n\t\tscale.y = sy;\n\t\tscale.z = sz;\n\n\t\treturn this;\n\n\t}\n\n\tmakePerspective( left, right, top, bottom, near, far ) {\n\n\t\tif ( far === undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.' );\n\n\t\t}\n\n\t\tconst te = this.elements;\n\t\tconst x = 2 * near / ( right - left );\n\t\tconst y = 2 * near / ( top - bottom );\n\n\t\tconst a = ( right + left ) / ( right - left );\n\t\tconst b = ( top + bottom ) / ( top - bottom );\n\t\tconst c = - ( far + near ) / ( far - near );\n\t\tconst d = - 2 * far * near / ( far - near );\n\n\t\tte[ 0 ] = x;\tte[ 4 ] = 0;\tte[ 8 ] = a;\tte[ 12 ] = 0;\n\t\tte[ 1 ] = 0;\tte[ 5 ] = y;\tte[ 9 ] = b;\tte[ 13 ] = 0;\n\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = c;\tte[ 14 ] = d;\n\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = - 1;\tte[ 15 ] = 0;\n\n\t\treturn this;\n\n\t}\n\n\tmakeOrthographic( left, right, top, bottom, near, far ) {\n\n\t\tconst te = this.elements;\n\t\tconst w = 1.0 / ( right - left );\n\t\tconst h = 1.0 / ( top - bottom );\n\t\tconst p = 1.0 / ( far - near );\n\n\t\tconst x = ( right + left ) * w;\n\t\tconst y = ( top + bottom ) * h;\n\t\tconst z = ( far + near ) * p;\n\n\t\tte[ 0 ] = 2 * w;\tte[ 4 ] = 0;\tte[ 8 ] = 0;\tte[ 12 ] = - x;\n\t\tte[ 1 ] = 0;\tte[ 5 ] = 2 * h;\tte[ 9 ] = 0;\tte[ 13 ] = - y;\n\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = - 2 * p;\tte[ 14 ] = - z;\n\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = 0;\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tequals( matrix ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = matrix.elements;\n\n\t\tfor ( let i = 0; i < 16; i ++ ) {\n\n\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tfor ( let i = 0; i < 16; i ++ ) {\n\n\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst te = this.elements;\n\n\t\tarray[ offset ] = te[ 0 ];\n\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\tarray[ offset + 2 ] = te[ 2 ];\n\t\tarray[ offset + 3 ] = te[ 3 ];\n\n\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\tarray[ offset + 5 ] = te[ 5 ];\n\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\tarray[ offset + 7 ] = te[ 7 ];\n\n\t\tarray[ offset + 8 ] = te[ 8 ];\n\t\tarray[ offset + 9 ] = te[ 9 ];\n\t\tarray[ offset + 10 ] = te[ 10 ];\n\t\tarray[ offset + 11 ] = te[ 11 ];\n\n\t\tarray[ offset + 12 ] = te[ 12 ];\n\t\tarray[ offset + 13 ] = te[ 13 ];\n\t\tarray[ offset + 14 ] = te[ 14 ];\n\t\tarray[ offset + 15 ] = te[ 15 ];\n\n\t\treturn array;\n\n\t}\n\n}\n\nMatrix4.prototype.isMatrix4 = true;\n\nconst _v1$5 = /*@__PURE__*/ new Vector3();\nconst _m1$2 = /*@__PURE__*/ new Matrix4();\nconst _zero = /*@__PURE__*/ new Vector3( 0, 0, 0 );\nconst _one = /*@__PURE__*/ new Vector3( 1, 1, 1 );\nconst _x = /*@__PURE__*/ new Vector3();\nconst _y = /*@__PURE__*/ new Vector3();\nconst _z = /*@__PURE__*/ new Vector3();\n\nconst _matrix$1 = /*@__PURE__*/ new Matrix4();\nconst _quaternion$3 = /*@__PURE__*/ new Quaternion();\n\nclass Euler {\n\n\tconstructor( x = 0, y = 0, z = 0, order = Euler.DefaultOrder ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._order = order;\n\n\t}\n\n\tget x() {\n\n\t\treturn this._x;\n\n\t}\n\n\tset x( value ) {\n\n\t\tthis._x = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget y() {\n\n\t\treturn this._y;\n\n\t}\n\n\tset y( value ) {\n\n\t\tthis._y = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget z() {\n\n\t\treturn this._z;\n\n\t}\n\n\tset z( value ) {\n\n\t\tthis._z = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget order() {\n\n\t\treturn this._order;\n\n\t}\n\n\tset order( value ) {\n\n\t\tthis._order = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tset( x, y, z, order = this._order ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._order = order;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this._x, this._y, this._z, this._order );\n\n\t}\n\n\tcopy( euler ) {\n\n\t\tthis._x = euler._x;\n\t\tthis._y = euler._y;\n\t\tthis._z = euler._z;\n\t\tthis._order = euler._order;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromRotationMatrix( m, order = this._order, update = true ) {\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tconst te = m.elements;\n\t\tconst m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ];\n\t\tconst m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ];\n\t\tconst m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\tswitch ( order ) {\n\n\t\t\tcase 'XYZ':\n\n\t\t\t\tthis._y = Math.asin( clamp( m13, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m13 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'YXZ':\n\n\t\t\t\tthis._x = Math.asin( - clamp( m23, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m23 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZXY':\n\n\t\t\t\tthis._x = Math.asin( clamp( m32, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m32 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = 0;\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZYX':\n\n\t\t\t\tthis._y = Math.asin( - clamp( m31, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m31 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'YZX':\n\n\t\t\t\tthis._z = Math.asin( clamp( m21, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m21 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m22 );\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'XZY':\n\n\t\t\t\tthis._z = Math.asin( - clamp( m12, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m12 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._y = Math.atan2( m13, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._y = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\n\t\t\t\tconsole.warn( 'THREE.Euler: .setFromRotationMatrix() encountered an unknown order: ' + order );\n\n\t\t}\n\n\t\tthis._order = order;\n\n\t\tif ( update === true ) this._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromQuaternion( q, order, update ) {\n\n\t\t_matrix$1.makeRotationFromQuaternion( q );\n\n\t\treturn this.setFromRotationMatrix( _matrix$1, order, update );\n\n\t}\n\n\tsetFromVector3( v, order = this._order ) {\n\n\t\treturn this.set( v.x, v.y, v.z, order );\n\n\t}\n\n\treorder( newOrder ) {\n\n\t\t// WARNING: this discards revolution information -bhouston\n\n\t\t_quaternion$3.setFromEuler( this );\n\n\t\treturn this.setFromQuaternion( _quaternion$3, newOrder );\n\n\t}\n\n\tequals( euler ) {\n\n\t\treturn ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order );\n\n\t}\n\n\tfromArray( array ) {\n\n\t\tthis._x = array[ 0 ];\n\t\tthis._y = array[ 1 ];\n\t\tthis._z = array[ 2 ];\n\t\tif ( array[ 3 ] !== undefined ) this._order = array[ 3 ];\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this._x;\n\t\tarray[ offset + 1 ] = this._y;\n\t\tarray[ offset + 2 ] = this._z;\n\t\tarray[ offset + 3 ] = this._order;\n\n\t\treturn array;\n\n\t}\n\n\ttoVector3( optionalResult ) {\n\n\t\tif ( optionalResult ) {\n\n\t\t\treturn optionalResult.set( this._x, this._y, this._z );\n\n\t\t} else {\n\n\t\t\treturn new Vector3( this._x, this._y, this._z );\n\n\t\t}\n\n\t}\n\n\t_onChange( callback ) {\n\n\t\tthis._onChangeCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\t_onChangeCallback() {}\n\n}\n\nEuler.prototype.isEuler = true;\n\nEuler.DefaultOrder = 'XYZ';\nEuler.RotationOrders = [ 'XYZ', 'YZX', 'ZXY', 'XZY', 'YXZ', 'ZYX' ];\n\nclass Layers {\n\n\tconstructor() {\n\n\t\tthis.mask = 1 | 0;\n\n\t}\n\n\tset( channel ) {\n\n\t\tthis.mask = ( 1 << channel | 0 ) >>> 0;\n\n\t}\n\n\tenable( channel ) {\n\n\t\tthis.mask |= 1 << channel | 0;\n\n\t}\n\n\tenableAll() {\n\n\t\tthis.mask = 0xffffffff | 0;\n\n\t}\n\n\ttoggle( channel ) {\n\n\t\tthis.mask ^= 1 << channel | 0;\n\n\t}\n\n\tdisable( channel ) {\n\n\t\tthis.mask &= ~ ( 1 << channel | 0 );\n\n\t}\n\n\tdisableAll() {\n\n\t\tthis.mask = 0;\n\n\t}\n\n\ttest( layers ) {\n\n\t\treturn ( this.mask & layers.mask ) !== 0;\n\n\t}\n\n\tisEnabled( channel ) {\n\n\t\treturn ( this.mask & ( 1 << channel | 0 ) ) !== 0;\n\n\t}\n\n}\n\nlet _object3DId = 0;\n\nconst _v1$4 = /*@__PURE__*/ new Vector3();\nconst _q1 = /*@__PURE__*/ new Quaternion();\nconst _m1$1 = /*@__PURE__*/ new Matrix4();\nconst _target = /*@__PURE__*/ new Vector3();\n\nconst _position$3 = /*@__PURE__*/ new Vector3();\nconst _scale$2 = /*@__PURE__*/ new Vector3();\nconst _quaternion$2 = /*@__PURE__*/ new Quaternion();\n\nconst _xAxis = /*@__PURE__*/ new Vector3( 1, 0, 0 );\nconst _yAxis = /*@__PURE__*/ new Vector3( 0, 1, 0 );\nconst _zAxis = /*@__PURE__*/ new Vector3( 0, 0, 1 );\n\nconst _addedEvent = { type: 'added' };\nconst _removedEvent = { type: 'removed' };\n\nclass Object3D extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tObject.defineProperty( this, 'id', { value: _object3DId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Object3D';\n\n\t\tthis.parent = null;\n\t\tthis.children = [];\n\n\t\tthis.up = Object3D.DefaultUp.clone();\n\n\t\tconst position = new Vector3();\n\t\tconst rotation = new Euler();\n\t\tconst quaternion = new Quaternion();\n\t\tconst scale = new Vector3( 1, 1, 1 );\n\n\t\tfunction onRotationChange() {\n\n\t\t\tquaternion.setFromEuler( rotation, false );\n\n\t\t}\n\n\t\tfunction onQuaternionChange() {\n\n\t\t\trotation.setFromQuaternion( quaternion, undefined, false );\n\n\t\t}\n\n\t\trotation._onChange( onRotationChange );\n\t\tquaternion._onChange( onQuaternionChange );\n\n\t\tObject.defineProperties( this, {\n\t\t\tposition: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: position\n\t\t\t},\n\t\t\trotation: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: rotation\n\t\t\t},\n\t\t\tquaternion: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: quaternion\n\t\t\t},\n\t\t\tscale: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: scale\n\t\t\t},\n\t\t\tmodelViewMatrix: {\n\t\t\t\tvalue: new Matrix4()\n\t\t\t},\n\t\t\tnormalMatrix: {\n\t\t\t\tvalue: new Matrix3()\n\t\t\t}\n\t\t} );\n\n\t\tthis.matrix = new Matrix4();\n\t\tthis.matrixWorld = new Matrix4();\n\n\t\tthis.matrixAutoUpdate = Object3D.DefaultMatrixAutoUpdate;\n\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\tthis.layers = new Layers();\n\t\tthis.visible = true;\n\n\t\tthis.castShadow = false;\n\t\tthis.receiveShadow = false;\n\n\t\tthis.frustumCulled = true;\n\t\tthis.renderOrder = 0;\n\n\t\tthis.animations = [];\n\n\t\tthis.userData = {};\n\n\t}\n\n\tonBeforeRender( /* renderer, scene, camera, geometry, material, group */ ) {}\n\n\tonAfterRender( /* renderer, scene, camera, geometry, material, group */ ) {}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tthis.matrix.premultiply( matrix );\n\n\t\tthis.matrix.decompose( this.position, this.quaternion, this.scale );\n\n\t}\n\n\tapplyQuaternion( q ) {\n\n\t\tthis.quaternion.premultiply( q );\n\n\t\treturn this;\n\n\t}\n\n\tsetRotationFromAxisAngle( axis, angle ) {\n\n\t\t// assumes axis is normalized\n\n\t\tthis.quaternion.setFromAxisAngle( axis, angle );\n\n\t}\n\n\tsetRotationFromEuler( euler ) {\n\n\t\tthis.quaternion.setFromEuler( euler, true );\n\n\t}\n\n\tsetRotationFromMatrix( m ) {\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tthis.quaternion.setFromRotationMatrix( m );\n\n\t}\n\n\tsetRotationFromQuaternion( q ) {\n\n\t\t// assumes q is normalized\n\n\t\tthis.quaternion.copy( q );\n\n\t}\n\n\trotateOnAxis( axis, angle ) {\n\n\t\t// rotate object on axis in object space\n\t\t// axis is assumed to be normalized\n\n\t\t_q1.setFromAxisAngle( axis, angle );\n\n\t\tthis.quaternion.multiply( _q1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateOnWorldAxis( axis, angle ) {\n\n\t\t// rotate object on axis in world space\n\t\t// axis is assumed to be normalized\n\t\t// method assumes no rotated parent\n\n\t\t_q1.setFromAxisAngle( axis, angle );\n\n\t\tthis.quaternion.premultiply( _q1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateX( angle ) {\n\n\t\treturn this.rotateOnAxis( _xAxis, angle );\n\n\t}\n\n\trotateY( angle ) {\n\n\t\treturn this.rotateOnAxis( _yAxis, angle );\n\n\t}\n\n\trotateZ( angle ) {\n\n\t\treturn this.rotateOnAxis( _zAxis, angle );\n\n\t}\n\n\ttranslateOnAxis( axis, distance ) {\n\n\t\t// translate object by distance along axis in object space\n\t\t// axis is assumed to be normalized\n\n\t\t_v1$4.copy( axis ).applyQuaternion( this.quaternion );\n\n\t\tthis.position.add( _v1$4.multiplyScalar( distance ) );\n\n\t\treturn this;\n\n\t}\n\n\ttranslateX( distance ) {\n\n\t\treturn this.translateOnAxis( _xAxis, distance );\n\n\t}\n\n\ttranslateY( distance ) {\n\n\t\treturn this.translateOnAxis( _yAxis, distance );\n\n\t}\n\n\ttranslateZ( distance ) {\n\n\t\treturn this.translateOnAxis( _zAxis, distance );\n\n\t}\n\n\tlocalToWorld( vector ) {\n\n\t\treturn vector.applyMatrix4( this.matrixWorld );\n\n\t}\n\n\tworldToLocal( vector ) {\n\n\t\treturn vector.applyMatrix4( _m1$1.copy( this.matrixWorld ).invert() );\n\n\t}\n\n\tlookAt( x, y, z ) {\n\n\t\t// This method does not support objects having non-uniformly-scaled parent(s)\n\n\t\tif ( x.isVector3 ) {\n\n\t\t\t_target.copy( x );\n\n\t\t} else {\n\n\t\t\t_target.set( x, y, z );\n\n\t\t}\n\n\t\tconst parent = this.parent;\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\t_position$3.setFromMatrixPosition( this.matrixWorld );\n\n\t\tif ( this.isCamera || this.isLight ) {\n\n\t\t\t_m1$1.lookAt( _position$3, _target, this.up );\n\n\t\t} else {\n\n\t\t\t_m1$1.lookAt( _target, _position$3, this.up );\n\n\t\t}\n\n\t\tthis.quaternion.setFromRotationMatrix( _m1$1 );\n\n\t\tif ( parent ) {\n\n\t\t\t_m1$1.extractRotation( parent.matrixWorld );\n\t\t\t_q1.setFromRotationMatrix( _m1$1 );\n\t\t\tthis.quaternion.premultiply( _q1.invert() );\n\n\t\t}\n\n\t}\n\n\tadd( object ) {\n\n\t\tif ( arguments.length > 1 ) {\n\n\t\t\tfor ( let i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\tthis.add( arguments[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( object === this ) {\n\n\t\t\tconsole.error( 'THREE.Object3D.add: object can\\'t be added as a child of itself.', object );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( object && object.isObject3D ) {\n\n\t\t\tif ( object.parent !== null ) {\n\n\t\t\t\tobject.parent.remove( object );\n\n\t\t\t}\n\n\t\t\tobject.parent = this;\n\t\t\tthis.children.push( object );\n\n\t\t\tobject.dispatchEvent( _addedEvent );\n\n\t\t} else {\n\n\t\t\tconsole.error( 'THREE.Object3D.add: object not an instance of THREE.Object3D.', object );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tremove( object ) {\n\n\t\tif ( arguments.length > 1 ) {\n\n\t\t\tfor ( let i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\tthis.remove( arguments[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst index = this.children.indexOf( object );\n\n\t\tif ( index !== - 1 ) {\n\n\t\t\tobject.parent = null;\n\t\t\tthis.children.splice( index, 1 );\n\n\t\t\tobject.dispatchEvent( _removedEvent );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tremoveFromParent() {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( parent !== null ) {\n\n\t\t\tparent.remove( this );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclear() {\n\n\t\tfor ( let i = 0; i < this.children.length; i ++ ) {\n\n\t\t\tconst object = this.children[ i ];\n\n\t\t\tobject.parent = null;\n\n\t\t\tobject.dispatchEvent( _removedEvent );\n\n\t\t}\n\n\t\tthis.children.length = 0;\n\n\t\treturn this;\n\n\n\t}\n\n\tattach( object ) {\n\n\t\t// adds object as a child of this, while maintaining the object's world transform\n\n\t\t// Note: This method does not support scene graphs having non-uniformly-scaled nodes(s)\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\t_m1$1.copy( this.matrixWorld ).invert();\n\n\t\tif ( object.parent !== null ) {\n\n\t\t\tobject.parent.updateWorldMatrix( true, false );\n\n\t\t\t_m1$1.multiply( object.parent.matrixWorld );\n\n\t\t}\n\n\t\tobject.applyMatrix4( _m1$1 );\n\n\t\tthis.add( object );\n\n\t\tobject.updateWorldMatrix( false, true );\n\n\t\treturn this;\n\n\t}\n\n\tgetObjectById( id ) {\n\n\t\treturn this.getObjectByProperty( 'id', id );\n\n\t}\n\n\tgetObjectByName( name ) {\n\n\t\treturn this.getObjectByProperty( 'name', name );\n\n\t}\n\n\tgetObjectByProperty( name, value ) {\n\n\t\tif ( this[ name ] === value ) return this;\n\n\t\tfor ( let i = 0, l = this.children.length; i < l; i ++ ) {\n\n\t\t\tconst child = this.children[ i ];\n\t\t\tconst object = child.getObjectByProperty( name, value );\n\n\t\t\tif ( object !== undefined ) {\n\n\t\t\t\treturn object;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn undefined;\n\n\t}\n\n\tgetWorldPosition( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\treturn target.setFromMatrixPosition( this.matrixWorld );\n\n\t}\n\n\tgetWorldQuaternion( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tthis.matrixWorld.decompose( _position$3, target, _scale$2 );\n\n\t\treturn target;\n\n\t}\n\n\tgetWorldScale( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tthis.matrixWorld.decompose( _position$3, _quaternion$2, target );\n\n\t\treturn target;\n\n\t}\n\n\tgetWorldDirection( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tconst e = this.matrixWorld.elements;\n\n\t\treturn target.set( e[ 8 ], e[ 9 ], e[ 10 ] ).normalize();\n\n\t}\n\n\traycast() {}\n\n\ttraverse( callback ) {\n\n\t\tcallback( this );\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].traverse( callback );\n\n\t\t}\n\n\t}\n\n\ttraverseVisible( callback ) {\n\n\t\tif ( this.visible === false ) return;\n\n\t\tcallback( this );\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].traverseVisible( callback );\n\n\t\t}\n\n\t}\n\n\ttraverseAncestors( callback ) {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( parent !== null ) {\n\n\t\t\tcallback( parent );\n\n\t\t\tparent.traverseAncestors( callback );\n\n\t\t}\n\n\t}\n\n\tupdateMatrix() {\n\n\t\tthis.matrix.compose( this.position, this.quaternion, this.scale );\n\n\t\tthis.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tif ( this.matrixWorldNeedsUpdate || force ) {\n\n\t\t\tif ( this.parent === null ) {\n\n\t\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t\t} else {\n\n\t\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t\t}\n\n\t\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\t\tforce = true;\n\n\t\t}\n\n\t\t// update children\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].updateMatrixWorld( force );\n\n\t\t}\n\n\t}\n\n\tupdateWorldMatrix( updateParents, updateChildren ) {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( updateParents === true && parent !== null ) {\n\n\t\t\tparent.updateWorldMatrix( true, false );\n\n\t\t}\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tif ( this.parent === null ) {\n\n\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t} else {\n\n\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t}\n\n\t\t// update children\n\n\t\tif ( updateChildren === true ) {\n\n\t\t\tconst children = this.children;\n\n\t\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].updateWorldMatrix( false, true );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\t// meta is a string when called from JSON.stringify\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tconst output = {};\n\n\t\t// meta is a hash used to collect geometries, materials.\n\t\t// not providing it implies that this is the root object\n\t\t// being serialized.\n\t\tif ( isRootObject ) {\n\n\t\t\t// initialize meta obj\n\t\t\tmeta = {\n\t\t\t\tgeometries: {},\n\t\t\t\tmaterials: {},\n\t\t\t\ttextures: {},\n\t\t\t\timages: {},\n\t\t\t\tshapes: {},\n\t\t\t\tskeletons: {},\n\t\t\t\tanimations: {}\n\t\t\t};\n\n\t\t\toutput.metadata = {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Object',\n\t\t\t\tgenerator: 'Object3D.toJSON'\n\t\t\t};\n\n\t\t}\n\n\t\t// standard Object3D serialization\n\n\t\tconst object = {};\n\n\t\tobject.uuid = this.uuid;\n\t\tobject.type = this.type;\n\n\t\tif ( this.name !== '' ) object.name = this.name;\n\t\tif ( this.castShadow === true ) object.castShadow = true;\n\t\tif ( this.receiveShadow === true ) object.receiveShadow = true;\n\t\tif ( this.visible === false ) object.visible = false;\n\t\tif ( this.frustumCulled === false ) object.frustumCulled = false;\n\t\tif ( this.renderOrder !== 0 ) object.renderOrder = this.renderOrder;\n\t\tif ( JSON.stringify( this.userData ) !== '{}' ) object.userData = this.userData;\n\n\t\tobject.layers = this.layers.mask;\n\t\tobject.matrix = this.matrix.toArray();\n\n\t\tif ( this.matrixAutoUpdate === false ) object.matrixAutoUpdate = false;\n\n\t\t// object specific properties\n\n\t\tif ( this.isInstancedMesh ) {\n\n\t\t\tobject.type = 'InstancedMesh';\n\t\t\tobject.count = this.count;\n\t\t\tobject.instanceMatrix = this.instanceMatrix.toJSON();\n\t\t\tif ( this.instanceColor !== null ) object.instanceColor = this.instanceColor.toJSON();\n\n\t\t}\n\n\t\t//\n\n\t\tfunction serialize( library, element ) {\n\n\t\t\tif ( library[ element.uuid ] === undefined ) {\n\n\t\t\t\tlibrary[ element.uuid ] = element.toJSON( meta );\n\n\t\t\t}\n\n\t\t\treturn element.uuid;\n\n\t\t}\n\n\t\tif ( this.isScene ) {\n\n\t\t\tif ( this.background ) {\n\n\t\t\t\tif ( this.background.isColor ) {\n\n\t\t\t\t\tobject.background = this.background.toJSON();\n\n\t\t\t\t} else if ( this.background.isTexture ) {\n\n\t\t\t\t\tobject.background = this.background.toJSON( meta ).uuid;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.environment && this.environment.isTexture ) {\n\n\t\t\t\tobject.environment = this.environment.toJSON( meta ).uuid;\n\n\t\t\t}\n\n\t\t} else if ( this.isMesh || this.isLine || this.isPoints ) {\n\n\t\t\tobject.geometry = serialize( meta.geometries, this.geometry );\n\n\t\t\tconst parameters = this.geometry.parameters;\n\n\t\t\tif ( parameters !== undefined && parameters.shapes !== undefined ) {\n\n\t\t\t\tconst shapes = parameters.shapes;\n\n\t\t\t\tif ( Array.isArray( shapes ) ) {\n\n\t\t\t\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tconst shape = shapes[ i ];\n\n\t\t\t\t\t\tserialize( meta.shapes, shape );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tserialize( meta.shapes, shapes );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.isSkinnedMesh ) {\n\n\t\t\tobject.bindMode = this.bindMode;\n\t\t\tobject.bindMatrix = this.bindMatrix.toArray();\n\n\t\t\tif ( this.skeleton !== undefined ) {\n\n\t\t\t\tserialize( meta.skeletons, this.skeleton );\n\n\t\t\t\tobject.skeleton = this.skeleton.uuid;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.material !== undefined ) {\n\n\t\t\tif ( Array.isArray( this.material ) ) {\n\n\t\t\t\tconst uuids = [];\n\n\t\t\t\tfor ( let i = 0, l = this.material.length; i < l; i ++ ) {\n\n\t\t\t\t\tuuids.push( serialize( meta.materials, this.material[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tobject.material = uuids;\n\n\t\t\t} else {\n\n\t\t\t\tobject.material = serialize( meta.materials, this.material );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.children.length > 0 ) {\n\n\t\t\tobject.children = [];\n\n\t\t\tfor ( let i = 0; i < this.children.length; i ++ ) {\n\n\t\t\t\tobject.children.push( this.children[ i ].toJSON( meta ).object );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.animations.length > 0 ) {\n\n\t\t\tobject.animations = [];\n\n\t\t\tfor ( let i = 0; i < this.animations.length; i ++ ) {\n\n\t\t\t\tconst animation = this.animations[ i ];\n\n\t\t\t\tobject.animations.push( serialize( meta.animations, animation ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( isRootObject ) {\n\n\t\t\tconst geometries = extractFromCache( meta.geometries );\n\t\t\tconst materials = extractFromCache( meta.materials );\n\t\t\tconst textures = extractFromCache( meta.textures );\n\t\t\tconst images = extractFromCache( meta.images );\n\t\t\tconst shapes = extractFromCache( meta.shapes );\n\t\t\tconst skeletons = extractFromCache( meta.skeletons );\n\t\t\tconst animations = extractFromCache( meta.animations );\n\n\t\t\tif ( geometries.length > 0 ) output.geometries = geometries;\n\t\t\tif ( materials.length > 0 ) output.materials = materials;\n\t\t\tif ( textures.length > 0 ) output.textures = textures;\n\t\t\tif ( images.length > 0 ) output.images = images;\n\t\t\tif ( shapes.length > 0 ) output.shapes = shapes;\n\t\t\tif ( skeletons.length > 0 ) output.skeletons = skeletons;\n\t\t\tif ( animations.length > 0 ) output.animations = animations;\n\n\t\t}\n\n\t\toutput.object = object;\n\n\t\treturn output;\n\n\t\t// extract data from the cache hash\n\t\t// remove metadata on each item\n\t\t// and return as array\n\t\tfunction extractFromCache( cache ) {\n\n\t\t\tconst values = [];\n\t\t\tfor ( const key in cache ) {\n\n\t\t\t\tconst data = cache[ key ];\n\t\t\t\tdelete data.metadata;\n\t\t\t\tvalues.push( data );\n\n\t\t\t}\n\n\t\t\treturn values;\n\n\t\t}\n\n\t}\n\n\tclone( recursive ) {\n\n\t\treturn new this.constructor().copy( this, recursive );\n\n\t}\n\n\tcopy( source, recursive = true ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.up.copy( source.up );\n\n\t\tthis.position.copy( source.position );\n\t\tthis.rotation.order = source.rotation.order;\n\t\tthis.quaternion.copy( source.quaternion );\n\t\tthis.scale.copy( source.scale );\n\n\t\tthis.matrix.copy( source.matrix );\n\t\tthis.matrixWorld.copy( source.matrixWorld );\n\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\t\tthis.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate;\n\n\t\tthis.layers.mask = source.layers.mask;\n\t\tthis.visible = source.visible;\n\n\t\tthis.castShadow = source.castShadow;\n\t\tthis.receiveShadow = source.receiveShadow;\n\n\t\tthis.frustumCulled = source.frustumCulled;\n\t\tthis.renderOrder = source.renderOrder;\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\tif ( recursive === true ) {\n\n\t\t\tfor ( let i = 0; i < source.children.length; i ++ ) {\n\n\t\t\t\tconst child = source.children[ i ];\n\t\t\t\tthis.add( child.clone() );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nObject3D.DefaultUp = new Vector3( 0, 1, 0 );\nObject3D.DefaultMatrixAutoUpdate = true;\n\nObject3D.prototype.isObject3D = true;\n\nconst _v0$1 = /*@__PURE__*/ new Vector3();\nconst _v1$3 = /*@__PURE__*/ new Vector3();\nconst _v2$2 = /*@__PURE__*/ new Vector3();\nconst _v3$1 = /*@__PURE__*/ new Vector3();\n\nconst _vab = /*@__PURE__*/ new Vector3();\nconst _vac = /*@__PURE__*/ new Vector3();\nconst _vbc = /*@__PURE__*/ new Vector3();\nconst _vap = /*@__PURE__*/ new Vector3();\nconst _vbp = /*@__PURE__*/ new Vector3();\nconst _vcp = /*@__PURE__*/ new Vector3();\n\nclass Triangle {\n\n\tconstructor( a = new Vector3(), b = new Vector3(), c = new Vector3() ) {\n\n\t\tthis.a = a;\n\t\tthis.b = b;\n\t\tthis.c = c;\n\n\t}\n\n\tstatic getNormal( a, b, c, target ) {\n\n\t\ttarget.subVectors( c, b );\n\t\t_v0$1.subVectors( a, b );\n\t\ttarget.cross( _v0$1 );\n\n\t\tconst targetLengthSq = target.lengthSq();\n\t\tif ( targetLengthSq > 0 ) {\n\n\t\t\treturn target.multiplyScalar( 1 / Math.sqrt( targetLengthSq ) );\n\n\t\t}\n\n\t\treturn target.set( 0, 0, 0 );\n\n\t}\n\n\t// static/instance method to calculate barycentric coordinates\n\t// based on: http://www.blackpawn.com/texts/pointinpoly/default.html\n\tstatic getBarycoord( point, a, b, c, target ) {\n\n\t\t_v0$1.subVectors( c, a );\n\t\t_v1$3.subVectors( b, a );\n\t\t_v2$2.subVectors( point, a );\n\n\t\tconst dot00 = _v0$1.dot( _v0$1 );\n\t\tconst dot01 = _v0$1.dot( _v1$3 );\n\t\tconst dot02 = _v0$1.dot( _v2$2 );\n\t\tconst dot11 = _v1$3.dot( _v1$3 );\n\t\tconst dot12 = _v1$3.dot( _v2$2 );\n\n\t\tconst denom = ( dot00 * dot11 - dot01 * dot01 );\n\n\t\t// collinear or singular triangle\n\t\tif ( denom === 0 ) {\n\n\t\t\t// arbitrary location outside of triangle?\n\t\t\t// not sure if this is the best idea, maybe should be returning undefined\n\t\t\treturn target.set( - 2, - 1, - 1 );\n\n\t\t}\n\n\t\tconst invDenom = 1 / denom;\n\t\tconst u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom;\n\t\tconst v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom;\n\n\t\t// barycentric coordinates must always sum to 1\n\t\treturn target.set( 1 - u - v, v, u );\n\n\t}\n\n\tstatic containsPoint( point, a, b, c ) {\n\n\t\tthis.getBarycoord( point, a, b, c, _v3$1 );\n\n\t\treturn ( _v3$1.x >= 0 ) && ( _v3$1.y >= 0 ) && ( ( _v3$1.x + _v3$1.y ) <= 1 );\n\n\t}\n\n\tstatic getUV( point, p1, p2, p3, uv1, uv2, uv3, target ) {\n\n\t\tthis.getBarycoord( point, p1, p2, p3, _v3$1 );\n\n\t\ttarget.set( 0, 0 );\n\t\ttarget.addScaledVector( uv1, _v3$1.x );\n\t\ttarget.addScaledVector( uv2, _v3$1.y );\n\t\ttarget.addScaledVector( uv3, _v3$1.z );\n\n\t\treturn target;\n\n\t}\n\n\tstatic isFrontFacing( a, b, c, direction ) {\n\n\t\t_v0$1.subVectors( c, b );\n\t\t_v1$3.subVectors( a, b );\n\n\t\t// strictly front facing\n\t\treturn ( _v0$1.cross( _v1$3 ).dot( direction ) < 0 ) ? true : false;\n\n\t}\n\n\tset( a, b, c ) {\n\n\t\tthis.a.copy( a );\n\t\tthis.b.copy( b );\n\t\tthis.c.copy( c );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPointsAndIndices( points, i0, i1, i2 ) {\n\n\t\tthis.a.copy( points[ i0 ] );\n\t\tthis.b.copy( points[ i1 ] );\n\t\tthis.c.copy( points[ i2 ] );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromAttributeAndIndices( attribute, i0, i1, i2 ) {\n\n\t\tthis.a.fromBufferAttribute( attribute, i0 );\n\t\tthis.b.fromBufferAttribute( attribute, i1 );\n\t\tthis.c.fromBufferAttribute( attribute, i2 );\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( triangle ) {\n\n\t\tthis.a.copy( triangle.a );\n\t\tthis.b.copy( triangle.b );\n\t\tthis.c.copy( triangle.c );\n\n\t\treturn this;\n\n\t}\n\n\tgetArea() {\n\n\t\t_v0$1.subVectors( this.c, this.b );\n\t\t_v1$3.subVectors( this.a, this.b );\n\n\t\treturn _v0$1.cross( _v1$3 ).length() * 0.5;\n\n\t}\n\n\tgetMidpoint( target ) {\n\n\t\treturn target.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 );\n\n\t}\n\n\tgetNormal( target ) {\n\n\t\treturn Triangle.getNormal( this.a, this.b, this.c, target );\n\n\t}\n\n\tgetPlane( target ) {\n\n\t\treturn target.setFromCoplanarPoints( this.a, this.b, this.c );\n\n\t}\n\n\tgetBarycoord( point, target ) {\n\n\t\treturn Triangle.getBarycoord( point, this.a, this.b, this.c, target );\n\n\t}\n\n\tgetUV( point, uv1, uv2, uv3, target ) {\n\n\t\treturn Triangle.getUV( point, this.a, this.b, this.c, uv1, uv2, uv3, target );\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn Triangle.containsPoint( point, this.a, this.b, this.c );\n\n\t}\n\n\tisFrontFacing( direction ) {\n\n\t\treturn Triangle.isFrontFacing( this.a, this.b, this.c, direction );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsTriangle( this );\n\n\t}\n\n\tclosestPointToPoint( p, target ) {\n\n\t\tconst a = this.a, b = this.b, c = this.c;\n\t\tlet v, w;\n\n\t\t// algorithm thanks to Real-Time Collision Detection by Christer Ericson,\n\t\t// published by Morgan Kaufmann Publishers, (c) 2005 Elsevier Inc.,\n\t\t// under the accompanying license; see chapter 5.1.5 for detailed explanation.\n\t\t// basically, we're distinguishing which of the voronoi regions of the triangle\n\t\t// the point lies in with the minimum amount of redundant computation.\n\n\t\t_vab.subVectors( b, a );\n\t\t_vac.subVectors( c, a );\n\t\t_vap.subVectors( p, a );\n\t\tconst d1 = _vab.dot( _vap );\n\t\tconst d2 = _vac.dot( _vap );\n\t\tif ( d1 <= 0 && d2 <= 0 ) {\n\n\t\t\t// vertex region of A; barycentric coords (1, 0, 0)\n\t\t\treturn target.copy( a );\n\n\t\t}\n\n\t\t_vbp.subVectors( p, b );\n\t\tconst d3 = _vab.dot( _vbp );\n\t\tconst d4 = _vac.dot( _vbp );\n\t\tif ( d3 >= 0 && d4 <= d3 ) {\n\n\t\t\t// vertex region of B; barycentric coords (0, 1, 0)\n\t\t\treturn target.copy( b );\n\n\t\t}\n\n\t\tconst vc = d1 * d4 - d3 * d2;\n\t\tif ( vc <= 0 && d1 >= 0 && d3 <= 0 ) {\n\n\t\t\tv = d1 / ( d1 - d3 );\n\t\t\t// edge region of AB; barycentric coords (1-v, v, 0)\n\t\t\treturn target.copy( a ).addScaledVector( _vab, v );\n\n\t\t}\n\n\t\t_vcp.subVectors( p, c );\n\t\tconst d5 = _vab.dot( _vcp );\n\t\tconst d6 = _vac.dot( _vcp );\n\t\tif ( d6 >= 0 && d5 <= d6 ) {\n\n\t\t\t// vertex region of C; barycentric coords (0, 0, 1)\n\t\t\treturn target.copy( c );\n\n\t\t}\n\n\t\tconst vb = d5 * d2 - d1 * d6;\n\t\tif ( vb <= 0 && d2 >= 0 && d6 <= 0 ) {\n\n\t\t\tw = d2 / ( d2 - d6 );\n\t\t\t// edge region of AC; barycentric coords (1-w, 0, w)\n\t\t\treturn target.copy( a ).addScaledVector( _vac, w );\n\n\t\t}\n\n\t\tconst va = d3 * d6 - d5 * d4;\n\t\tif ( va <= 0 && ( d4 - d3 ) >= 0 && ( d5 - d6 ) >= 0 ) {\n\n\t\t\t_vbc.subVectors( c, b );\n\t\t\tw = ( d4 - d3 ) / ( ( d4 - d3 ) + ( d5 - d6 ) );\n\t\t\t// edge region of BC; barycentric coords (0, 1-w, w)\n\t\t\treturn target.copy( b ).addScaledVector( _vbc, w ); // edge region of BC\n\n\t\t}\n\n\t\t// face region\n\t\tconst denom = 1 / ( va + vb + vc );\n\t\t// u = va * denom\n\t\tv = vb * denom;\n\t\tw = vc * denom;\n\n\t\treturn target.copy( a ).addScaledVector( _vab, v ).addScaledVector( _vac, w );\n\n\t}\n\n\tequals( triangle ) {\n\n\t\treturn triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c );\n\n\t}\n\n}\n\nlet materialId = 0;\n\nclass Material extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tObject.defineProperty( this, 'id', { value: materialId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Material';\n\n\t\tthis.fog = true;\n\n\t\tthis.blending = NormalBlending;\n\t\tthis.side = FrontSide;\n\t\tthis.vertexColors = false;\n\n\t\tthis.opacity = 1;\n\t\tthis.format = RGBAFormat;\n\t\tthis.transparent = false;\n\n\t\tthis.blendSrc = SrcAlphaFactor;\n\t\tthis.blendDst = OneMinusSrcAlphaFactor;\n\t\tthis.blendEquation = AddEquation;\n\t\tthis.blendSrcAlpha = null;\n\t\tthis.blendDstAlpha = null;\n\t\tthis.blendEquationAlpha = null;\n\n\t\tthis.depthFunc = LessEqualDepth;\n\t\tthis.depthTest = true;\n\t\tthis.depthWrite = true;\n\n\t\tthis.stencilWriteMask = 0xff;\n\t\tthis.stencilFunc = AlwaysStencilFunc;\n\t\tthis.stencilRef = 0;\n\t\tthis.stencilFuncMask = 0xff;\n\t\tthis.stencilFail = KeepStencilOp;\n\t\tthis.stencilZFail = KeepStencilOp;\n\t\tthis.stencilZPass = KeepStencilOp;\n\t\tthis.stencilWrite = false;\n\n\t\tthis.clippingPlanes = null;\n\t\tthis.clipIntersection = false;\n\t\tthis.clipShadows = false;\n\n\t\tthis.shadowSide = null;\n\n\t\tthis.colorWrite = true;\n\n\t\tthis.precision = null; // override the renderer's default precision for this material\n\n\t\tthis.polygonOffset = false;\n\t\tthis.polygonOffsetFactor = 0;\n\t\tthis.polygonOffsetUnits = 0;\n\n\t\tthis.dithering = false;\n\n\t\tthis.alphaToCoverage = false;\n\t\tthis.premultipliedAlpha = false;\n\n\t\tthis.visible = true;\n\n\t\tthis.toneMapped = true;\n\n\t\tthis.userData = {};\n\n\t\tthis.version = 0;\n\n\t\tthis._alphaTest = 0;\n\n\t}\n\n\tget alphaTest() {\n\n\t\treturn this._alphaTest;\n\n\t}\n\n\tset alphaTest( value ) {\n\n\t\tif ( this._alphaTest > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._alphaTest = value;\n\n\t}\n\n\tonBuild( /* shaderobject, renderer */ ) {}\n\n\tonBeforeRender( /* renderer, scene, camera, geometry, object, group */ ) {}\n\n\tonBeforeCompile( /* shaderobject, renderer */ ) {}\n\n\tcustomProgramCacheKey() {\n\n\t\treturn this.onBeforeCompile.toString();\n\n\t}\n\n\tsetValues( values ) {\n\n\t\tif ( values === undefined ) return;\n\n\t\tfor ( const key in values ) {\n\n\t\t\tconst newValue = values[ key ];\n\n\t\t\tif ( newValue === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Material: \\'' + key + '\\' parameter is undefined.' );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\t// for backward compatability if shading is set in the constructor\n\t\t\tif ( key === 'shading' ) {\n\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .shading has been removed. Use the boolean .flatShading instead.' );\n\t\t\t\tthis.flatShading = ( newValue === FlatShading ) ? true : false;\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tconst currentValue = this[ key ];\n\n\t\t\tif ( currentValue === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': \\'' + key + '\\' is not a property of this material.' );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tif ( currentValue && currentValue.isColor ) {\n\n\t\t\t\tcurrentValue.set( newValue );\n\n\t\t\t} else if ( ( currentValue && currentValue.isVector3 ) && ( newValue && newValue.isVector3 ) ) {\n\n\t\t\t\tcurrentValue.copy( newValue );\n\n\t\t\t} else {\n\n\t\t\t\tthis[ key ] = newValue;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst isRoot = ( meta === undefined || typeof meta === 'string' );\n\n\t\tif ( isRoot ) {\n\n\t\t\tmeta = {\n\t\t\t\ttextures: {},\n\t\t\t\timages: {}\n\t\t\t};\n\n\t\t}\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Material',\n\t\t\t\tgenerator: 'Material.toJSON'\n\t\t\t}\n\t\t};\n\n\t\t// standard Material serialization\n\t\tdata.uuid = this.uuid;\n\t\tdata.type = this.type;\n\n\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\tif ( this.color && this.color.isColor ) data.color = this.color.getHex();\n\n\t\tif ( this.roughness !== undefined ) data.roughness = this.roughness;\n\t\tif ( this.metalness !== undefined ) data.metalness = this.metalness;\n\n\t\tif ( this.sheen !== undefined ) data.sheen = this.sheen;\n\t\tif ( this.sheenColor && this.sheenColor.isColor ) data.sheenColor = this.sheenColor.getHex();\n\t\tif ( this.sheenRoughness !== undefined ) data.sheenRoughness = this.sheenRoughness;\n\t\tif ( this.emissive && this.emissive.isColor ) data.emissive = this.emissive.getHex();\n\t\tif ( this.emissiveIntensity && this.emissiveIntensity !== 1 ) data.emissiveIntensity = this.emissiveIntensity;\n\n\t\tif ( this.specular && this.specular.isColor ) data.specular = this.specular.getHex();\n\t\tif ( this.specularIntensity !== undefined ) data.specularIntensity = this.specularIntensity;\n\t\tif ( this.specularColor && this.specularColor.isColor ) data.specularColor = this.specularColor.getHex();\n\t\tif ( this.shininess !== undefined ) data.shininess = this.shininess;\n\t\tif ( this.clearcoat !== undefined ) data.clearcoat = this.clearcoat;\n\t\tif ( this.clearcoatRoughness !== undefined ) data.clearcoatRoughness = this.clearcoatRoughness;\n\n\t\tif ( this.clearcoatMap && this.clearcoatMap.isTexture ) {\n\n\t\t\tdata.clearcoatMap = this.clearcoatMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.clearcoatRoughnessMap && this.clearcoatRoughnessMap.isTexture ) {\n\n\t\t\tdata.clearcoatRoughnessMap = this.clearcoatRoughnessMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.clearcoatNormalMap && this.clearcoatNormalMap.isTexture ) {\n\n\t\t\tdata.clearcoatNormalMap = this.clearcoatNormalMap.toJSON( meta ).uuid;\n\t\t\tdata.clearcoatNormalScale = this.clearcoatNormalScale.toArray();\n\n\t\t}\n\n\t\tif ( this.map && this.map.isTexture ) data.map = this.map.toJSON( meta ).uuid;\n\t\tif ( this.matcap && this.matcap.isTexture ) data.matcap = this.matcap.toJSON( meta ).uuid;\n\t\tif ( this.alphaMap && this.alphaMap.isTexture ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid;\n\n\t\tif ( this.lightMap && this.lightMap.isTexture ) {\n\n\t\t\tdata.lightMap = this.lightMap.toJSON( meta ).uuid;\n\t\t\tdata.lightMapIntensity = this.lightMapIntensity;\n\n\t\t}\n\n\t\tif ( this.aoMap && this.aoMap.isTexture ) {\n\n\t\t\tdata.aoMap = this.aoMap.toJSON( meta ).uuid;\n\t\t\tdata.aoMapIntensity = this.aoMapIntensity;\n\n\t\t}\n\n\t\tif ( this.bumpMap && this.bumpMap.isTexture ) {\n\n\t\t\tdata.bumpMap = this.bumpMap.toJSON( meta ).uuid;\n\t\t\tdata.bumpScale = this.bumpScale;\n\n\t\t}\n\n\t\tif ( this.normalMap && this.normalMap.isTexture ) {\n\n\t\t\tdata.normalMap = this.normalMap.toJSON( meta ).uuid;\n\t\t\tdata.normalMapType = this.normalMapType;\n\t\t\tdata.normalScale = this.normalScale.toArray();\n\n\t\t}\n\n\t\tif ( this.displacementMap && this.displacementMap.isTexture ) {\n\n\t\t\tdata.displacementMap = this.displacementMap.toJSON( meta ).uuid;\n\t\t\tdata.displacementScale = this.displacementScale;\n\t\t\tdata.displacementBias = this.displacementBias;\n\n\t\t}\n\n\t\tif ( this.roughnessMap && this.roughnessMap.isTexture ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid;\n\t\tif ( this.metalnessMap && this.metalnessMap.isTexture ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid;\n\n\t\tif ( this.emissiveMap && this.emissiveMap.isTexture ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid;\n\t\tif ( this.specularMap && this.specularMap.isTexture ) data.specularMap = this.specularMap.toJSON( meta ).uuid;\n\t\tif ( this.specularIntensityMap && this.specularIntensityMap.isTexture ) data.specularIntensityMap = this.specularIntensityMap.toJSON( meta ).uuid;\n\t\tif ( this.specularColorMap && this.specularColorMap.isTexture ) data.specularColorMap = this.specularColorMap.toJSON( meta ).uuid;\n\n\t\tif ( this.envMap && this.envMap.isTexture ) {\n\n\t\t\tdata.envMap = this.envMap.toJSON( meta ).uuid;\n\n\t\t\tif ( this.combine !== undefined ) data.combine = this.combine;\n\n\t\t}\n\n\t\tif ( this.envMapIntensity !== undefined ) data.envMapIntensity = this.envMapIntensity;\n\t\tif ( this.reflectivity !== undefined ) data.reflectivity = this.reflectivity;\n\t\tif ( this.refractionRatio !== undefined ) data.refractionRatio = this.refractionRatio;\n\n\t\tif ( this.gradientMap && this.gradientMap.isTexture ) {\n\n\t\t\tdata.gradientMap = this.gradientMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.transmission !== undefined ) data.transmission = this.transmission;\n\t\tif ( this.transmissionMap && this.transmissionMap.isTexture ) data.transmissionMap = this.transmissionMap.toJSON( meta ).uuid;\n\t\tif ( this.thickness !== undefined ) data.thickness = this.thickness;\n\t\tif ( this.thicknessMap && this.thicknessMap.isTexture ) data.thicknessMap = this.thicknessMap.toJSON( meta ).uuid;\n\t\tif ( this.attenuationDistance !== undefined ) data.attenuationDistance = this.attenuationDistance;\n\t\tif ( this.attenuationColor !== undefined ) data.attenuationColor = this.attenuationColor.getHex();\n\n\t\tif ( this.size !== undefined ) data.size = this.size;\n\t\tif ( this.shadowSide !== null ) data.shadowSide = this.shadowSide;\n\t\tif ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation;\n\n\t\tif ( this.blending !== NormalBlending ) data.blending = this.blending;\n\t\tif ( this.side !== FrontSide ) data.side = this.side;\n\t\tif ( this.vertexColors ) data.vertexColors = true;\n\n\t\tif ( this.opacity < 1 ) data.opacity = this.opacity;\n\t\tif ( this.format !== RGBAFormat ) data.format = this.format;\n\t\tif ( this.transparent === true ) data.transparent = this.transparent;\n\n\t\tdata.depthFunc = this.depthFunc;\n\t\tdata.depthTest = this.depthTest;\n\t\tdata.depthWrite = this.depthWrite;\n\t\tdata.colorWrite = this.colorWrite;\n\n\t\tdata.stencilWrite = this.stencilWrite;\n\t\tdata.stencilWriteMask = this.stencilWriteMask;\n\t\tdata.stencilFunc = this.stencilFunc;\n\t\tdata.stencilRef = this.stencilRef;\n\t\tdata.stencilFuncMask = this.stencilFuncMask;\n\t\tdata.stencilFail = this.stencilFail;\n\t\tdata.stencilZFail = this.stencilZFail;\n\t\tdata.stencilZPass = this.stencilZPass;\n\n\t\t// rotation (SpriteMaterial)\n\t\tif ( this.rotation && this.rotation !== 0 ) data.rotation = this.rotation;\n\n\t\tif ( this.polygonOffset === true ) data.polygonOffset = true;\n\t\tif ( this.polygonOffsetFactor !== 0 ) data.polygonOffsetFactor = this.polygonOffsetFactor;\n\t\tif ( this.polygonOffsetUnits !== 0 ) data.polygonOffsetUnits = this.polygonOffsetUnits;\n\n\t\tif ( this.linewidth && this.linewidth !== 1 ) data.linewidth = this.linewidth;\n\t\tif ( this.dashSize !== undefined ) data.dashSize = this.dashSize;\n\t\tif ( this.gapSize !== undefined ) data.gapSize = this.gapSize;\n\t\tif ( this.scale !== undefined ) data.scale = this.scale;\n\n\t\tif ( this.dithering === true ) data.dithering = true;\n\n\t\tif ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest;\n\t\tif ( this.alphaToCoverage === true ) data.alphaToCoverage = this.alphaToCoverage;\n\t\tif ( this.premultipliedAlpha === true ) data.premultipliedAlpha = this.premultipliedAlpha;\n\n\t\tif ( this.wireframe === true ) data.wireframe = this.wireframe;\n\t\tif ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth;\n\t\tif ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap;\n\t\tif ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin;\n\n\t\tif ( this.flatShading === true ) data.flatShading = this.flatShading;\n\n\t\tif ( this.visible === false ) data.visible = false;\n\n\t\tif ( this.toneMapped === false ) data.toneMapped = false;\n\n\t\tif ( JSON.stringify( this.userData ) !== '{}' ) data.userData = this.userData;\n\n\t\t// TODO: Copied from Object3D.toJSON\n\n\t\tfunction extractFromCache( cache ) {\n\n\t\t\tconst values = [];\n\n\t\t\tfor ( const key in cache ) {\n\n\t\t\t\tconst data = cache[ key ];\n\t\t\t\tdelete data.metadata;\n\t\t\t\tvalues.push( data );\n\n\t\t\t}\n\n\t\t\treturn values;\n\n\t\t}\n\n\t\tif ( isRoot ) {\n\n\t\t\tconst textures = extractFromCache( meta.textures );\n\t\t\tconst images = extractFromCache( meta.images );\n\n\t\t\tif ( textures.length > 0 ) data.textures = textures;\n\t\t\tif ( images.length > 0 ) data.images = images;\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.fog = source.fog;\n\n\t\tthis.blending = source.blending;\n\t\tthis.side = source.side;\n\t\tthis.vertexColors = source.vertexColors;\n\n\t\tthis.opacity = source.opacity;\n\t\tthis.format = source.format;\n\t\tthis.transparent = source.transparent;\n\n\t\tthis.blendSrc = source.blendSrc;\n\t\tthis.blendDst = source.blendDst;\n\t\tthis.blendEquation = source.blendEquation;\n\t\tthis.blendSrcAlpha = source.blendSrcAlpha;\n\t\tthis.blendDstAlpha = source.blendDstAlpha;\n\t\tthis.blendEquationAlpha = source.blendEquationAlpha;\n\n\t\tthis.depthFunc = source.depthFunc;\n\t\tthis.depthTest = source.depthTest;\n\t\tthis.depthWrite = source.depthWrite;\n\n\t\tthis.stencilWriteMask = source.stencilWriteMask;\n\t\tthis.stencilFunc = source.stencilFunc;\n\t\tthis.stencilRef = source.stencilRef;\n\t\tthis.stencilFuncMask = source.stencilFuncMask;\n\t\tthis.stencilFail = source.stencilFail;\n\t\tthis.stencilZFail = source.stencilZFail;\n\t\tthis.stencilZPass = source.stencilZPass;\n\t\tthis.stencilWrite = source.stencilWrite;\n\n\t\tconst srcPlanes = source.clippingPlanes;\n\t\tlet dstPlanes = null;\n\n\t\tif ( srcPlanes !== null ) {\n\n\t\t\tconst n = srcPlanes.length;\n\t\t\tdstPlanes = new Array( n );\n\n\t\t\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\t\t\tdstPlanes[ i ] = srcPlanes[ i ].clone();\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.clippingPlanes = dstPlanes;\n\t\tthis.clipIntersection = source.clipIntersection;\n\t\tthis.clipShadows = source.clipShadows;\n\n\t\tthis.shadowSide = source.shadowSide;\n\n\t\tthis.colorWrite = source.colorWrite;\n\n\t\tthis.precision = source.precision;\n\n\t\tthis.polygonOffset = source.polygonOffset;\n\t\tthis.polygonOffsetFactor = source.polygonOffsetFactor;\n\t\tthis.polygonOffsetUnits = source.polygonOffsetUnits;\n\n\t\tthis.dithering = source.dithering;\n\n\t\tthis.alphaTest = source.alphaTest;\n\t\tthis.alphaToCoverage = source.alphaToCoverage;\n\t\tthis.premultipliedAlpha = source.premultipliedAlpha;\n\n\t\tthis.visible = source.visible;\n\n\t\tthis.toneMapped = source.toneMapped;\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n}\n\nMaterial.prototype.isMaterial = true;\n\nconst _colorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF,\n\t'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2,\n\t'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50,\n\t'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B,\n\t'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B,\n\t'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F,\n\t'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3,\n\t'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222,\n\t'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700,\n\t'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4,\n\t'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00,\n\t'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3,\n\t'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA,\n\t'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32,\n\t'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3,\n\t'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC,\n\t'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD,\n\t'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6,\n\t'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9,\n\t'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'rebeccapurple': 0x663399, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F,\n\t'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE,\n\t'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA,\n\t'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0,\n\t'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 };\n\nconst _hslA = { h: 0, s: 0, l: 0 };\nconst _hslB = { h: 0, s: 0, l: 0 };\n\nfunction hue2rgb( p, q, t ) {\n\n\tif ( t < 0 ) t += 1;\n\tif ( t > 1 ) t -= 1;\n\tif ( t < 1 / 6 ) return p + ( q - p ) * 6 * t;\n\tif ( t < 1 / 2 ) return q;\n\tif ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t );\n\treturn p;\n\n}\n\nfunction SRGBToLinear( c ) {\n\n\treturn ( c < 0.04045 ) ? c * 0.0773993808 : Math.pow( c * 0.9478672986 + 0.0521327014, 2.4 );\n\n}\n\nfunction LinearToSRGB( c ) {\n\n\treturn ( c < 0.0031308 ) ? c * 12.92 : 1.055 * ( Math.pow( c, 0.41666 ) ) - 0.055;\n\n}\n\nclass Color {\n\n\tconstructor( r, g, b ) {\n\n\t\tif ( g === undefined && b === undefined ) {\n\n\t\t\t// r is THREE.Color, hex or string\n\t\t\treturn this.set( r );\n\n\t\t}\n\n\t\treturn this.setRGB( r, g, b );\n\n\t}\n\n\tset( value ) {\n\n\t\tif ( value && value.isColor ) {\n\n\t\t\tthis.copy( value );\n\n\t\t} else if ( typeof value === 'number' ) {\n\n\t\t\tthis.setHex( value );\n\n\t\t} else if ( typeof value === 'string' ) {\n\n\t\t\tthis.setStyle( value );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.r = scalar;\n\t\tthis.g = scalar;\n\t\tthis.b = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetHex( hex ) {\n\n\t\thex = Math.floor( hex );\n\n\t\tthis.r = ( hex >> 16 & 255 ) / 255;\n\t\tthis.g = ( hex >> 8 & 255 ) / 255;\n\t\tthis.b = ( hex & 255 ) / 255;\n\n\t\treturn this;\n\n\t}\n\n\tsetRGB( r, g, b ) {\n\n\t\tthis.r = r;\n\t\tthis.g = g;\n\t\tthis.b = b;\n\n\t\treturn this;\n\n\t}\n\n\tsetHSL( h, s, l ) {\n\n\t\t// h,s,l ranges are in 0.0 - 1.0\n\t\th = euclideanModulo( h, 1 );\n\t\ts = clamp( s, 0, 1 );\n\t\tl = clamp( l, 0, 1 );\n\n\t\tif ( s === 0 ) {\n\n\t\t\tthis.r = this.g = this.b = l;\n\n\t\t} else {\n\n\t\t\tconst p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s );\n\t\t\tconst q = ( 2 * l ) - p;\n\n\t\t\tthis.r = hue2rgb( q, p, h + 1 / 3 );\n\t\t\tthis.g = hue2rgb( q, p, h );\n\t\t\tthis.b = hue2rgb( q, p, h - 1 / 3 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetStyle( style ) {\n\n\t\tfunction handleAlpha( string ) {\n\n\t\t\tif ( string === undefined ) return;\n\n\t\t\tif ( parseFloat( string ) < 1 ) {\n\n\t\t\t\tconsole.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' );\n\n\t\t\t}\n\n\t\t}\n\n\n\t\tlet m;\n\n\t\tif ( m = /^((?:rgb|hsl)a?)\\(([^\\)]*)\\)/.exec( style ) ) {\n\n\t\t\t// rgb / hsl\n\n\t\t\tlet color;\n\t\t\tconst name = m[ 1 ];\n\t\t\tconst components = m[ 2 ];\n\n\t\t\tswitch ( name ) {\n\n\t\t\t\tcase 'rgb':\n\t\t\t\tcase 'rgba':\n\n\t\t\t\t\tif ( color = /^\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// rgb(255,0,0) rgba(255,0,0,0.5)\n\t\t\t\t\t\tthis.r = Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255;\n\t\t\t\t\t\tthis.g = Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255;\n\t\t\t\t\t\tthis.b = Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255;\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( color = /^\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// rgb(100%,0%,0%) rgba(100%,0%,0%,0.5)\n\t\t\t\t\t\tthis.r = Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100;\n\t\t\t\t\t\tthis.g = Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100;\n\t\t\t\t\t\tthis.b = Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100;\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'hsl':\n\t\t\t\tcase 'hsla':\n\n\t\t\t\t\tif ( color = /^\\s*(\\d*\\.?\\d+)\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// hsl(120,50%,50%) hsla(120,50%,50%,0.5)\n\t\t\t\t\t\tconst h = parseFloat( color[ 1 ] ) / 360;\n\t\t\t\t\t\tconst s = parseInt( color[ 2 ], 10 ) / 100;\n\t\t\t\t\t\tconst l = parseInt( color[ 3 ], 10 ) / 100;\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this.setHSL( h, s, l );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t} else if ( m = /^\\#([A-Fa-f\\d]+)$/.exec( style ) ) {\n\n\t\t\t// hex color\n\n\t\t\tconst hex = m[ 1 ];\n\t\t\tconst size = hex.length;\n\n\t\t\tif ( size === 3 ) {\n\n\t\t\t\t// #ff0\n\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 0 ), 16 ) / 255;\n\t\t\t\tthis.g = parseInt( hex.charAt( 1 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\tthis.b = parseInt( hex.charAt( 2 ) + hex.charAt( 2 ), 16 ) / 255;\n\n\t\t\t\treturn this;\n\n\t\t\t} else if ( size === 6 ) {\n\n\t\t\t\t// #ff0000\n\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\tthis.g = parseInt( hex.charAt( 2 ) + hex.charAt( 3 ), 16 ) / 255;\n\t\t\t\tthis.b = parseInt( hex.charAt( 4 ) + hex.charAt( 5 ), 16 ) / 255;\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( style && style.length > 0 ) {\n\n\t\t\treturn this.setColorName( style );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetColorName( style ) {\n\n\t\t// color keywords\n\t\tconst hex = _colorKeywords[ style.toLowerCase() ];\n\n\t\tif ( hex !== undefined ) {\n\n\t\t\t// red\n\t\t\tthis.setHex( hex );\n\n\t\t} else {\n\n\t\t\t// unknown color\n\t\t\tconsole.warn( 'THREE.Color: Unknown color ' + style );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.r, this.g, this.b );\n\n\t}\n\n\tcopy( color ) {\n\n\t\tthis.r = color.r;\n\t\tthis.g = color.g;\n\t\tthis.b = color.b;\n\n\t\treturn this;\n\n\t}\n\n\tcopyGammaToLinear( color, gammaFactor = 2.0 ) {\n\n\t\tthis.r = Math.pow( color.r, gammaFactor );\n\t\tthis.g = Math.pow( color.g, gammaFactor );\n\t\tthis.b = Math.pow( color.b, gammaFactor );\n\n\t\treturn this;\n\n\t}\n\n\tcopyLinearToGamma( color, gammaFactor = 2.0 ) {\n\n\t\tconst safeInverse = ( gammaFactor > 0 ) ? ( 1.0 / gammaFactor ) : 1.0;\n\n\t\tthis.r = Math.pow( color.r, safeInverse );\n\t\tthis.g = Math.pow( color.g, safeInverse );\n\t\tthis.b = Math.pow( color.b, safeInverse );\n\n\t\treturn this;\n\n\t}\n\n\tconvertGammaToLinear( gammaFactor ) {\n\n\t\tthis.copyGammaToLinear( this, gammaFactor );\n\n\t\treturn this;\n\n\t}\n\n\tconvertLinearToGamma( gammaFactor ) {\n\n\t\tthis.copyLinearToGamma( this, gammaFactor );\n\n\t\treturn this;\n\n\t}\n\n\tcopySRGBToLinear( color ) {\n\n\t\tthis.r = SRGBToLinear( color.r );\n\t\tthis.g = SRGBToLinear( color.g );\n\t\tthis.b = SRGBToLinear( color.b );\n\n\t\treturn this;\n\n\t}\n\n\tcopyLinearToSRGB( color ) {\n\n\t\tthis.r = LinearToSRGB( color.r );\n\t\tthis.g = LinearToSRGB( color.g );\n\t\tthis.b = LinearToSRGB( color.b );\n\n\t\treturn this;\n\n\t}\n\n\tconvertSRGBToLinear() {\n\n\t\tthis.copySRGBToLinear( this );\n\n\t\treturn this;\n\n\t}\n\n\tconvertLinearToSRGB() {\n\n\t\tthis.copyLinearToSRGB( this );\n\n\t\treturn this;\n\n\t}\n\n\tgetHex() {\n\n\t\treturn ( this.r * 255 ) << 16 ^ ( this.g * 255 ) << 8 ^ ( this.b * 255 ) << 0;\n\n\t}\n\n\tgetHexString() {\n\n\t\treturn ( '000000' + this.getHex().toString( 16 ) ).slice( - 6 );\n\n\t}\n\n\tgetHSL( target ) {\n\n\t\t// h,s,l ranges are in 0.0 - 1.0\n\n\t\tconst r = this.r, g = this.g, b = this.b;\n\n\t\tconst max = Math.max( r, g, b );\n\t\tconst min = Math.min( r, g, b );\n\n\t\tlet hue, saturation;\n\t\tconst lightness = ( min + max ) / 2.0;\n\n\t\tif ( min === max ) {\n\n\t\t\thue = 0;\n\t\t\tsaturation = 0;\n\n\t\t} else {\n\n\t\t\tconst delta = max - min;\n\n\t\t\tsaturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min );\n\n\t\t\tswitch ( max ) {\n\n\t\t\t\tcase r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break;\n\t\t\t\tcase g: hue = ( b - r ) / delta + 2; break;\n\t\t\t\tcase b: hue = ( r - g ) / delta + 4; break;\n\n\t\t\t}\n\n\t\t\thue /= 6;\n\n\t\t}\n\n\t\ttarget.h = hue;\n\t\ttarget.s = saturation;\n\t\ttarget.l = lightness;\n\n\t\treturn target;\n\n\t}\n\n\tgetStyle() {\n\n\t\treturn 'rgb(' + ( ( this.r * 255 ) | 0 ) + ',' + ( ( this.g * 255 ) | 0 ) + ',' + ( ( this.b * 255 ) | 0 ) + ')';\n\n\t}\n\n\toffsetHSL( h, s, l ) {\n\n\t\tthis.getHSL( _hslA );\n\n\t\t_hslA.h += h; _hslA.s += s; _hslA.l += l;\n\n\t\tthis.setHSL( _hslA.h, _hslA.s, _hslA.l );\n\n\t\treturn this;\n\n\t}\n\n\tadd( color ) {\n\n\t\tthis.r += color.r;\n\t\tthis.g += color.g;\n\t\tthis.b += color.b;\n\n\t\treturn this;\n\n\t}\n\n\taddColors( color1, color2 ) {\n\n\t\tthis.r = color1.r + color2.r;\n\t\tthis.g = color1.g + color2.g;\n\t\tthis.b = color1.b + color2.b;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.r += s;\n\t\tthis.g += s;\n\t\tthis.b += s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( color ) {\n\n\t\tthis.r = Math.max( 0, this.r - color.r );\n\t\tthis.g = Math.max( 0, this.g - color.g );\n\t\tthis.b = Math.max( 0, this.b - color.b );\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( color ) {\n\n\t\tthis.r *= color.r;\n\t\tthis.g *= color.g;\n\t\tthis.b *= color.b;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( s ) {\n\n\t\tthis.r *= s;\n\t\tthis.g *= s;\n\t\tthis.b *= s;\n\n\t\treturn this;\n\n\t}\n\n\tlerp( color, alpha ) {\n\n\t\tthis.r += ( color.r - this.r ) * alpha;\n\t\tthis.g += ( color.g - this.g ) * alpha;\n\t\tthis.b += ( color.b - this.b ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpColors( color1, color2, alpha ) {\n\n\t\tthis.r = color1.r + ( color2.r - color1.r ) * alpha;\n\t\tthis.g = color1.g + ( color2.g - color1.g ) * alpha;\n\t\tthis.b = color1.b + ( color2.b - color1.b ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpHSL( color, alpha ) {\n\n\t\tthis.getHSL( _hslA );\n\t\tcolor.getHSL( _hslB );\n\n\t\tconst h = lerp( _hslA.h, _hslB.h, alpha );\n\t\tconst s = lerp( _hslA.s, _hslB.s, alpha );\n\t\tconst l = lerp( _hslA.l, _hslB.l, alpha );\n\n\t\tthis.setHSL( h, s, l );\n\n\t\treturn this;\n\n\t}\n\n\tequals( c ) {\n\n\t\treturn ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.r = array[ offset ];\n\t\tthis.g = array[ offset + 1 ];\n\t\tthis.b = array[ offset + 2 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.r;\n\t\tarray[ offset + 1 ] = this.g;\n\t\tarray[ offset + 2 ] = this.b;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis.r = attribute.getX( index );\n\t\tthis.g = attribute.getY( index );\n\t\tthis.b = attribute.getZ( index );\n\n\t\tif ( attribute.normalized === true ) {\n\n\t\t\t// assuming Uint8Array\n\n\t\t\tthis.r /= 255;\n\t\t\tthis.g /= 255;\n\t\t\tthis.b /= 255;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\treturn this.getHex();\n\n\t}\n\n}\n\nColor.NAMES = _colorKeywords;\n\nColor.prototype.isColor = true;\nColor.prototype.r = 1;\nColor.prototype.g = 1;\nColor.prototype.b = 1;\n\n/**\n * parameters = {\n * color: ,\n * opacity: ,\n * map: new THREE.Texture( ),\n *\n * lightMap: new THREE.Texture( ),\n * lightMapIntensity: \n *\n * aoMap: new THREE.Texture( ),\n * aoMapIntensity: \n *\n * specularMap: new THREE.Texture( ),\n *\n * alphaMap: new THREE.Texture( ),\n *\n * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n * combine: THREE.Multiply,\n * reflectivity: ,\n * refractionRatio: ,\n *\n * depthTest: ,\n * depthWrite: ,\n *\n * wireframe: ,\n * wireframeLinewidth: ,\n * }\n */\n\nclass MeshBasicMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // emissive\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshBasicMaterial.prototype.isMeshBasicMaterial = true;\n\nconst _vector$9 = /*@__PURE__*/ new Vector3();\nconst _vector2$1 = /*@__PURE__*/ new Vector2();\n\nclass BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tif ( Array.isArray( array ) ) {\n\n\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t}\n\n\t\tthis.name = '';\n\n\t\tthis.array = array;\n\t\tthis.itemSize = itemSize;\n\t\tthis.count = array !== undefined ? array.length / itemSize : 0;\n\t\tthis.normalized = normalized === true;\n\n\t\tthis.usage = StaticDrawUsage;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t}\n\n\tonUploadCallback() {}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tsetUsage( value ) {\n\n\t\tthis.usage = value;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\t\tthis.array = new source.array.constructor( source.array );\n\t\tthis.itemSize = source.itemSize;\n\t\tthis.count = source.count;\n\t\tthis.normalized = source.normalized;\n\n\t\tthis.usage = source.usage;\n\n\t\treturn this;\n\n\t}\n\n\tcopyAt( index1, attribute, index2 ) {\n\n\t\tindex1 *= this.itemSize;\n\t\tindex2 *= attribute.itemSize;\n\n\t\tfor ( let i = 0, l = this.itemSize; i < l; i ++ ) {\n\n\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcopyArray( array ) {\n\n\t\tthis.array.set( array );\n\n\t\treturn this;\n\n\t}\n\n\tcopyColorsArray( colors ) {\n\n\t\tconst array = this.array;\n\t\tlet offset = 0;\n\n\t\tfor ( let i = 0, l = colors.length; i < l; i ++ ) {\n\n\t\t\tlet color = colors[ i ];\n\n\t\t\tif ( color === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyColorsArray(): color is undefined', i );\n\t\t\t\tcolor = new Color();\n\n\t\t\t}\n\n\t\t\tarray[ offset ++ ] = color.r;\n\t\t\tarray[ offset ++ ] = color.g;\n\t\t\tarray[ offset ++ ] = color.b;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcopyVector2sArray( vectors ) {\n\n\t\tconst array = this.array;\n\t\tlet offset = 0;\n\n\t\tfor ( let i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\tlet vector = vectors[ i ];\n\n\t\t\tif ( vector === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector2sArray(): vector is undefined', i );\n\t\t\t\tvector = new Vector2();\n\n\t\t\t}\n\n\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\tarray[ offset ++ ] = vector.y;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcopyVector3sArray( vectors ) {\n\n\t\tconst array = this.array;\n\t\tlet offset = 0;\n\n\t\tfor ( let i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\tlet vector = vectors[ i ];\n\n\t\t\tif ( vector === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector3sArray(): vector is undefined', i );\n\t\t\t\tvector = new Vector3();\n\n\t\t\t}\n\n\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\tarray[ offset ++ ] = vector.z;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcopyVector4sArray( vectors ) {\n\n\t\tconst array = this.array;\n\t\tlet offset = 0;\n\n\t\tfor ( let i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\tlet vector = vectors[ i ];\n\n\t\t\tif ( vector === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector4sArray(): vector is undefined', i );\n\t\t\t\tvector = new Vector4();\n\n\t\t\t}\n\n\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\tarray[ offset ++ ] = vector.z;\n\t\t\tarray[ offset ++ ] = vector.w;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tif ( this.itemSize === 2 ) {\n\n\t\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t\t_vector2$1.fromBufferAttribute( this, i );\n\t\t\t\t_vector2$1.applyMatrix3( m );\n\n\t\t\t\tthis.setXY( i, _vector2$1.x, _vector2$1.y );\n\n\t\t\t}\n\n\t\t} else if ( this.itemSize === 3 ) {\n\n\t\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t\t_vector$9.fromBufferAttribute( this, i );\n\t\t\t\t_vector$9.applyMatrix3( m );\n\n\t\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.x = this.getX( i );\n\t\t\t_vector$9.y = this.getY( i );\n\t\t\t_vector$9.z = this.getZ( i );\n\n\t\t\t_vector$9.applyMatrix4( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyNormalMatrix( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.x = this.getX( i );\n\t\t\t_vector$9.y = this.getY( i );\n\t\t\t_vector$9.z = this.getZ( i );\n\n\t\t\t_vector$9.applyNormalMatrix( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttransformDirection( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.x = this.getX( i );\n\t\t\t_vector$9.y = this.getY( i );\n\t\t\t_vector$9.z = this.getZ( i );\n\n\t\t\t_vector$9.transformDirection( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tset( value, offset = 0 ) {\n\n\t\tthis.array.set( value, offset );\n\n\t\treturn this;\n\n\t}\n\n\tgetX( index ) {\n\n\t\treturn this.array[ index * this.itemSize ];\n\n\t}\n\n\tsetX( index, x ) {\n\n\t\tthis.array[ index * this.itemSize ] = x;\n\n\t\treturn this;\n\n\t}\n\n\tgetY( index ) {\n\n\t\treturn this.array[ index * this.itemSize + 1 ];\n\n\t}\n\n\tsetY( index, y ) {\n\n\t\tthis.array[ index * this.itemSize + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tgetZ( index ) {\n\n\t\treturn this.array[ index * this.itemSize + 2 ];\n\n\t}\n\n\tsetZ( index, z ) {\n\n\t\tthis.array[ index * this.itemSize + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tgetW( index ) {\n\n\t\treturn this.array[ index * this.itemSize + 3 ];\n\n\t}\n\n\tsetW( index, w ) {\n\n\t\tthis.array[ index * this.itemSize + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetXY( index, x, y ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZ( index, x, y, z ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\t\tthis.array[ index + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZW( index, x, y, z, w ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\t\tthis.array[ index + 2 ] = z;\n\t\tthis.array[ index + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tonUpload( callback ) {\n\n\t\tthis.onUploadCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.array, this.itemSize ).copy( this );\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\titemSize: this.itemSize,\n\t\t\ttype: this.array.constructor.name,\n\t\t\tarray: Array.prototype.slice.call( this.array ),\n\t\t\tnormalized: this.normalized\n\t\t};\n\n\t\tif ( this.name !== '' ) data.name = this.name;\n\t\tif ( this.usage !== StaticDrawUsage ) data.usage = this.usage;\n\t\tif ( this.updateRange.offset !== 0 || this.updateRange.count !== - 1 ) data.updateRange = this.updateRange;\n\n\t\treturn data;\n\n\t}\n\n}\n\nBufferAttribute.prototype.isBufferAttribute = true;\n\n//\n\nclass Int8BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int8Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint8BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint8Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint8ClampedBufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint8ClampedArray( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Int16BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int16Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint16BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint16Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Int32BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint32BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Float16BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint16Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nFloat16BufferAttribute.prototype.isFloat16BufferAttribute = true;\n\nclass Float32BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Float32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Float64BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Float64Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nlet _id = 0;\n\nconst _m1 = /*@__PURE__*/ new Matrix4();\nconst _obj = /*@__PURE__*/ new Object3D();\nconst _offset = /*@__PURE__*/ new Vector3();\nconst _box$1 = /*@__PURE__*/ new Box3();\nconst _boxMorphTargets = /*@__PURE__*/ new Box3();\nconst _vector$8 = /*@__PURE__*/ new Vector3();\n\nclass BufferGeometry extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tObject.defineProperty( this, 'id', { value: _id ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'BufferGeometry';\n\n\t\tthis.index = null;\n\t\tthis.attributes = {};\n\n\t\tthis.morphAttributes = {};\n\t\tthis.morphTargetsRelative = false;\n\n\t\tthis.groups = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\tthis.drawRange = { start: 0, count: Infinity };\n\n\t\tthis.userData = {};\n\n\t}\n\n\tgetIndex() {\n\n\t\treturn this.index;\n\n\t}\n\n\tsetIndex( index ) {\n\n\t\tif ( Array.isArray( index ) ) {\n\n\t\t\tthis.index = new ( arrayMax( index ) > 65535 ? Uint32BufferAttribute : Uint16BufferAttribute )( index, 1 );\n\n\t\t} else {\n\n\t\t\tthis.index = index;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetAttribute( name ) {\n\n\t\treturn this.attributes[ name ];\n\n\t}\n\n\tsetAttribute( name, attribute ) {\n\n\t\tthis.attributes[ name ] = attribute;\n\n\t\treturn this;\n\n\t}\n\n\tdeleteAttribute( name ) {\n\n\t\tdelete this.attributes[ name ];\n\n\t\treturn this;\n\n\t}\n\n\thasAttribute( name ) {\n\n\t\treturn this.attributes[ name ] !== undefined;\n\n\t}\n\n\taddGroup( start, count, materialIndex = 0 ) {\n\n\t\tthis.groups.push( {\n\n\t\t\tstart: start,\n\t\t\tcount: count,\n\t\t\tmaterialIndex: materialIndex\n\n\t\t} );\n\n\t}\n\n\tclearGroups() {\n\n\t\tthis.groups = [];\n\n\t}\n\n\tsetDrawRange( start, count ) {\n\n\t\tthis.drawRange.start = start;\n\t\tthis.drawRange.count = count;\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tconst position = this.attributes.position;\n\n\t\tif ( position !== undefined ) {\n\n\t\t\tposition.applyMatrix4( matrix );\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t}\n\n\t\tconst normal = this.attributes.normal;\n\n\t\tif ( normal !== undefined ) {\n\n\t\t\tconst normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\tnormal.applyNormalMatrix( normalMatrix );\n\n\t\t\tnormal.needsUpdate = true;\n\n\t\t}\n\n\t\tconst tangent = this.attributes.tangent;\n\n\t\tif ( tangent !== undefined ) {\n\n\t\t\ttangent.transformDirection( matrix );\n\n\t\t\ttangent.needsUpdate = true;\n\n\t\t}\n\n\t\tif ( this.boundingBox !== null ) {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t}\n\n\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\tthis.computeBoundingSphere();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyQuaternion( q ) {\n\n\t\t_m1.makeRotationFromQuaternion( q );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateX( angle ) {\n\n\t\t// rotate geometry around world x-axis\n\n\t\t_m1.makeRotationX( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateY( angle ) {\n\n\t\t// rotate geometry around world y-axis\n\n\t\t_m1.makeRotationY( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateZ( angle ) {\n\n\t\t// rotate geometry around world z-axis\n\n\t\t_m1.makeRotationZ( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( x, y, z ) {\n\n\t\t// translate geometry\n\n\t\t_m1.makeTranslation( x, y, z );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\tscale( x, y, z ) {\n\n\t\t// scale geometry\n\n\t\t_m1.makeScale( x, y, z );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\tlookAt( vector ) {\n\n\t\t_obj.lookAt( vector );\n\n\t\t_obj.updateMatrix();\n\n\t\tthis.applyMatrix4( _obj.matrix );\n\n\t\treturn this;\n\n\t}\n\n\tcenter() {\n\n\t\tthis.computeBoundingBox();\n\n\t\tthis.boundingBox.getCenter( _offset ).negate();\n\n\t\tthis.translate( _offset.x, _offset.y, _offset.z );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tconst position = [];\n\n\t\tfor ( let i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\tconst point = points[ i ];\n\t\t\tposition.push( point.x, point.y, point.z || 0 );\n\n\t\t}\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( position, 3 ) );\n\n\t\treturn this;\n\n\t}\n\n\tcomputeBoundingBox() {\n\n\t\tif ( this.boundingBox === null ) {\n\n\t\t\tthis.boundingBox = new Box3();\n\n\t\t}\n\n\t\tconst position = this.attributes.position;\n\t\tconst morphAttributesPosition = this.morphAttributes.position;\n\n\t\tif ( position && position.isGLBufferAttribute ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set \"mesh.frustumCulled\" to \"false\".', this );\n\n\t\t\tthis.boundingBox.set(\n\t\t\t\tnew Vector3( - Infinity, - Infinity, - Infinity ),\n\t\t\t\tnew Vector3( + Infinity, + Infinity, + Infinity )\n\t\t\t);\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( position !== undefined ) {\n\n\t\t\tthis.boundingBox.setFromBufferAttribute( position );\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\t_box$1.setFromBufferAttribute( morphAttribute );\n\n\t\t\t\t\tif ( this.morphTargetsRelative ) {\n\n\t\t\t\t\t\t_vector$8.addVectors( this.boundingBox.min, _box$1.min );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _vector$8 );\n\n\t\t\t\t\t\t_vector$8.addVectors( this.boundingBox.max, _box$1.max );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _vector$8 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _box$1.min );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _box$1.max );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tthis.boundingBox.makeEmpty();\n\n\t\t}\n\n\t\tif ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t}\n\n\t}\n\n\tcomputeBoundingSphere() {\n\n\t\tif ( this.boundingSphere === null ) {\n\n\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t}\n\n\t\tconst position = this.attributes.position;\n\t\tconst morphAttributesPosition = this.morphAttributes.position;\n\n\t\tif ( position && position.isGLBufferAttribute ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set \"mesh.frustumCulled\" to \"false\".', this );\n\n\t\t\tthis.boundingSphere.set( new Vector3(), Infinity );\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( position ) {\n\n\t\t\t// first, find the center of the bounding sphere\n\n\t\t\tconst center = this.boundingSphere.center;\n\n\t\t\t_box$1.setFromBufferAttribute( position );\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\t_boxMorphTargets.setFromBufferAttribute( morphAttribute );\n\n\t\t\t\t\tif ( this.morphTargetsRelative ) {\n\n\t\t\t\t\t\t_vector$8.addVectors( _box$1.min, _boxMorphTargets.min );\n\t\t\t\t\t\t_box$1.expandByPoint( _vector$8 );\n\n\t\t\t\t\t\t_vector$8.addVectors( _box$1.max, _boxMorphTargets.max );\n\t\t\t\t\t\t_box$1.expandByPoint( _vector$8 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_box$1.expandByPoint( _boxMorphTargets.min );\n\t\t\t\t\t\t_box$1.expandByPoint( _boxMorphTargets.max );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_box$1.getCenter( center );\n\n\t\t\t// second, try to find a boundingSphere with a radius smaller than the\n\t\t\t// boundingSphere of the boundingBox: sqrt(3) smaller in the best case\n\n\t\t\tlet maxRadiusSq = 0;\n\n\t\t\tfor ( let i = 0, il = position.count; i < il; i ++ ) {\n\n\t\t\t\t_vector$8.fromBufferAttribute( position, i );\n\n\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$8 ) );\n\n\t\t\t}\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\tconst morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t\t\t\tfor ( let j = 0, jl = morphAttribute.count; j < jl; j ++ ) {\n\n\t\t\t\t\t\t_vector$8.fromBufferAttribute( morphAttribute, j );\n\n\t\t\t\t\t\tif ( morphTargetsRelative ) {\n\n\t\t\t\t\t\t\t_offset.fromBufferAttribute( position, j );\n\t\t\t\t\t\t\t_vector$8.add( _offset );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$8 ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.boundingSphere.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\tif ( isNaN( this.boundingSphere.radius ) ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcomputeTangents() {\n\n\t\tconst index = this.index;\n\t\tconst attributes = this.attributes;\n\n\t\t// based on http://www.terathon.com/code/tangent.html\n\t\t// (per vertex tangents)\n\n\t\tif ( index === null ||\n\t\t\t attributes.position === undefined ||\n\t\t\t attributes.normal === undefined ||\n\t\t\t attributes.uv === undefined ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst indices = index.array;\n\t\tconst positions = attributes.position.array;\n\t\tconst normals = attributes.normal.array;\n\t\tconst uvs = attributes.uv.array;\n\n\t\tconst nVertices = positions.length / 3;\n\n\t\tif ( attributes.tangent === undefined ) {\n\n\t\t\tthis.setAttribute( 'tangent', new BufferAttribute( new Float32Array( 4 * nVertices ), 4 ) );\n\n\t\t}\n\n\t\tconst tangents = attributes.tangent.array;\n\n\t\tconst tan1 = [], tan2 = [];\n\n\t\tfor ( let i = 0; i < nVertices; i ++ ) {\n\n\t\t\ttan1[ i ] = new Vector3();\n\t\t\ttan2[ i ] = new Vector3();\n\n\t\t}\n\n\t\tconst vA = new Vector3(),\n\t\t\tvB = new Vector3(),\n\t\t\tvC = new Vector3(),\n\n\t\t\tuvA = new Vector2(),\n\t\t\tuvB = new Vector2(),\n\t\t\tuvC = new Vector2(),\n\n\t\t\tsdir = new Vector3(),\n\t\t\ttdir = new Vector3();\n\n\t\tfunction handleTriangle( a, b, c ) {\n\n\t\t\tvA.fromArray( positions, a * 3 );\n\t\t\tvB.fromArray( positions, b * 3 );\n\t\t\tvC.fromArray( positions, c * 3 );\n\n\t\t\tuvA.fromArray( uvs, a * 2 );\n\t\t\tuvB.fromArray( uvs, b * 2 );\n\t\t\tuvC.fromArray( uvs, c * 2 );\n\n\t\t\tvB.sub( vA );\n\t\t\tvC.sub( vA );\n\n\t\t\tuvB.sub( uvA );\n\t\t\tuvC.sub( uvA );\n\n\t\t\tconst r = 1.0 / ( uvB.x * uvC.y - uvC.x * uvB.y );\n\n\t\t\t// silently ignore degenerate uv triangles having coincident or colinear vertices\n\n\t\t\tif ( ! isFinite( r ) ) return;\n\n\t\t\tsdir.copy( vB ).multiplyScalar( uvC.y ).addScaledVector( vC, - uvB.y ).multiplyScalar( r );\n\t\t\ttdir.copy( vC ).multiplyScalar( uvB.x ).addScaledVector( vB, - uvC.x ).multiplyScalar( r );\n\n\t\t\ttan1[ a ].add( sdir );\n\t\t\ttan1[ b ].add( sdir );\n\t\t\ttan1[ c ].add( sdir );\n\n\t\t\ttan2[ a ].add( tdir );\n\t\t\ttan2[ b ].add( tdir );\n\t\t\ttan2[ c ].add( tdir );\n\n\t\t}\n\n\t\tlet groups = this.groups;\n\n\t\tif ( groups.length === 0 ) {\n\n\t\t\tgroups = [ {\n\t\t\t\tstart: 0,\n\t\t\t\tcount: indices.length\n\t\t\t} ];\n\n\t\t}\n\n\t\tfor ( let i = 0, il = groups.length; i < il; ++ i ) {\n\n\t\t\tconst group = groups[ i ];\n\n\t\t\tconst start = group.start;\n\t\t\tconst count = group.count;\n\n\t\t\tfor ( let j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\thandleTriangle(\n\t\t\t\t\tindices[ j + 0 ],\n\t\t\t\t\tindices[ j + 1 ],\n\t\t\t\t\tindices[ j + 2 ]\n\t\t\t\t);\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst tmp = new Vector3(), tmp2 = new Vector3();\n\t\tconst n = new Vector3(), n2 = new Vector3();\n\n\t\tfunction handleVertex( v ) {\n\n\t\t\tn.fromArray( normals, v * 3 );\n\t\t\tn2.copy( n );\n\n\t\t\tconst t = tan1[ v ];\n\n\t\t\t// Gram-Schmidt orthogonalize\n\n\t\t\ttmp.copy( t );\n\t\t\ttmp.sub( n.multiplyScalar( n.dot( t ) ) ).normalize();\n\n\t\t\t// Calculate handedness\n\n\t\t\ttmp2.crossVectors( n2, t );\n\t\t\tconst test = tmp2.dot( tan2[ v ] );\n\t\t\tconst w = ( test < 0.0 ) ? - 1.0 : 1.0;\n\n\t\t\ttangents[ v * 4 ] = tmp.x;\n\t\t\ttangents[ v * 4 + 1 ] = tmp.y;\n\t\t\ttangents[ v * 4 + 2 ] = tmp.z;\n\t\t\ttangents[ v * 4 + 3 ] = w;\n\n\t\t}\n\n\t\tfor ( let i = 0, il = groups.length; i < il; ++ i ) {\n\n\t\t\tconst group = groups[ i ];\n\n\t\t\tconst start = group.start;\n\t\t\tconst count = group.count;\n\n\t\t\tfor ( let j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\thandleVertex( indices[ j + 0 ] );\n\t\t\t\thandleVertex( indices[ j + 1 ] );\n\t\t\t\thandleVertex( indices[ j + 2 ] );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcomputeVertexNormals() {\n\n\t\tconst index = this.index;\n\t\tconst positionAttribute = this.getAttribute( 'position' );\n\n\t\tif ( positionAttribute !== undefined ) {\n\n\t\t\tlet normalAttribute = this.getAttribute( 'normal' );\n\n\t\t\tif ( normalAttribute === undefined ) {\n\n\t\t\t\tnormalAttribute = new BufferAttribute( new Float32Array( positionAttribute.count * 3 ), 3 );\n\t\t\t\tthis.setAttribute( 'normal', normalAttribute );\n\n\t\t\t} else {\n\n\t\t\t\t// reset existing normals to zero\n\n\t\t\t\tfor ( let i = 0, il = normalAttribute.count; i < il; i ++ ) {\n\n\t\t\t\t\tnormalAttribute.setXYZ( i, 0, 0, 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst pA = new Vector3(), pB = new Vector3(), pC = new Vector3();\n\t\t\tconst nA = new Vector3(), nB = new Vector3(), nC = new Vector3();\n\t\t\tconst cb = new Vector3(), ab = new Vector3();\n\n\t\t\t// indexed elements\n\n\t\t\tif ( index ) {\n\n\t\t\t\tfor ( let i = 0, il = index.count; i < il; i += 3 ) {\n\n\t\t\t\t\tconst vA = index.getX( i + 0 );\n\t\t\t\t\tconst vB = index.getX( i + 1 );\n\t\t\t\t\tconst vC = index.getX( i + 2 );\n\n\t\t\t\t\tpA.fromBufferAttribute( positionAttribute, vA );\n\t\t\t\t\tpB.fromBufferAttribute( positionAttribute, vB );\n\t\t\t\t\tpC.fromBufferAttribute( positionAttribute, vC );\n\n\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tnA.fromBufferAttribute( normalAttribute, vA );\n\t\t\t\t\tnB.fromBufferAttribute( normalAttribute, vB );\n\t\t\t\t\tnC.fromBufferAttribute( normalAttribute, vC );\n\n\t\t\t\t\tnA.add( cb );\n\t\t\t\t\tnB.add( cb );\n\t\t\t\t\tnC.add( cb );\n\n\t\t\t\t\tnormalAttribute.setXYZ( vA, nA.x, nA.y, nA.z );\n\t\t\t\t\tnormalAttribute.setXYZ( vB, nB.x, nB.y, nB.z );\n\t\t\t\t\tnormalAttribute.setXYZ( vC, nC.x, nC.y, nC.z );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed elements (unconnected triangle soup)\n\n\t\t\t\tfor ( let i = 0, il = positionAttribute.count; i < il; i += 3 ) {\n\n\t\t\t\t\tpA.fromBufferAttribute( positionAttribute, i + 0 );\n\t\t\t\t\tpB.fromBufferAttribute( positionAttribute, i + 1 );\n\t\t\t\t\tpC.fromBufferAttribute( positionAttribute, i + 2 );\n\n\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tnormalAttribute.setXYZ( i + 0, cb.x, cb.y, cb.z );\n\t\t\t\t\tnormalAttribute.setXYZ( i + 1, cb.x, cb.y, cb.z );\n\t\t\t\t\tnormalAttribute.setXYZ( i + 2, cb.x, cb.y, cb.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.normalizeNormals();\n\n\t\t\tnormalAttribute.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n\tmerge( geometry, offset ) {\n\n\t\tif ( ! ( geometry && geometry.isBufferGeometry ) ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.', geometry );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( offset === undefined ) {\n\n\t\t\toffset = 0;\n\n\t\t\tconsole.warn(\n\t\t\t\t'THREE.BufferGeometry.merge(): Overwriting original geometry, starting at offset=0. '\n\t\t\t\t+ 'Use BufferGeometryUtils.mergeBufferGeometries() for lossless merge.'\n\t\t\t);\n\n\t\t}\n\n\t\tconst attributes = this.attributes;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tif ( geometry.attributes[ key ] === undefined ) continue;\n\n\t\t\tconst attribute1 = attributes[ key ];\n\t\t\tconst attributeArray1 = attribute1.array;\n\n\t\t\tconst attribute2 = geometry.attributes[ key ];\n\t\t\tconst attributeArray2 = attribute2.array;\n\n\t\t\tconst attributeOffset = attribute2.itemSize * offset;\n\t\t\tconst length = Math.min( attributeArray2.length, attributeArray1.length - attributeOffset );\n\n\t\t\tfor ( let i = 0, j = attributeOffset; i < length; i ++, j ++ ) {\n\n\t\t\t\tattributeArray1[ j ] = attributeArray2[ i ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tnormalizeNormals() {\n\n\t\tconst normals = this.attributes.normal;\n\n\t\tfor ( let i = 0, il = normals.count; i < il; i ++ ) {\n\n\t\t\t_vector$8.fromBufferAttribute( normals, i );\n\n\t\t\t_vector$8.normalize();\n\n\t\t\tnormals.setXYZ( i, _vector$8.x, _vector$8.y, _vector$8.z );\n\n\t\t}\n\n\t}\n\n\ttoNonIndexed() {\n\n\t\tfunction convertBufferAttribute( attribute, indices ) {\n\n\t\t\tconst array = attribute.array;\n\t\t\tconst itemSize = attribute.itemSize;\n\t\t\tconst normalized = attribute.normalized;\n\n\t\t\tconst array2 = new array.constructor( indices.length * itemSize );\n\n\t\t\tlet index = 0, index2 = 0;\n\n\t\t\tfor ( let i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\tindex = indices[ i ] * attribute.data.stride + attribute.offset;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tindex = indices[ i ] * itemSize;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let j = 0; j < itemSize; j ++ ) {\n\n\t\t\t\t\tarray2[ index2 ++ ] = array[ index ++ ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn new BufferAttribute( array2, itemSize, normalized );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.index === null ) {\n\n\t\t\tconsole.warn( 'THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed.' );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst geometry2 = new BufferGeometry();\n\n\t\tconst indices = this.index.array;\n\t\tconst attributes = this.attributes;\n\n\t\t// attributes\n\n\t\tfor ( const name in attributes ) {\n\n\t\t\tconst attribute = attributes[ name ];\n\n\t\t\tconst newAttribute = convertBufferAttribute( attribute, indices );\n\n\t\t\tgeometry2.setAttribute( name, newAttribute );\n\n\t\t}\n\n\t\t// morph attributes\n\n\t\tconst morphAttributes = this.morphAttributes;\n\n\t\tfor ( const name in morphAttributes ) {\n\n\t\t\tconst morphArray = [];\n\t\t\tconst morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes\n\n\t\t\tfor ( let i = 0, il = morphAttribute.length; i < il; i ++ ) {\n\n\t\t\t\tconst attribute = morphAttribute[ i ];\n\n\t\t\t\tconst newAttribute = convertBufferAttribute( attribute, indices );\n\n\t\t\t\tmorphArray.push( newAttribute );\n\n\t\t\t}\n\n\t\t\tgeometry2.morphAttributes[ name ] = morphArray;\n\n\t\t}\n\n\t\tgeometry2.morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t// groups\n\n\t\tconst groups = this.groups;\n\n\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tconst group = groups[ i ];\n\t\t\tgeometry2.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\treturn geometry2;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'BufferGeometry',\n\t\t\t\tgenerator: 'BufferGeometry.toJSON'\n\t\t\t}\n\t\t};\n\n\t\t// standard BufferGeometry serialization\n\n\t\tdata.uuid = this.uuid;\n\t\tdata.type = this.type;\n\t\tif ( this.name !== '' ) data.name = this.name;\n\t\tif ( Object.keys( this.userData ).length > 0 ) data.userData = this.userData;\n\n\t\tif ( this.parameters !== undefined ) {\n\n\t\t\tconst parameters = this.parameters;\n\n\t\t\tfor ( const key in parameters ) {\n\n\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\t// for simplicity the code assumes attributes are not shared across geometries, see #15811\n\n\t\tdata.data = { attributes: {} };\n\n\t\tconst index = this.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tdata.data.index = {\n\t\t\t\ttype: index.array.constructor.name,\n\t\t\t\tarray: Array.prototype.slice.call( index.array )\n\t\t\t};\n\n\t\t}\n\n\t\tconst attributes = this.attributes;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tconst attribute = attributes[ key ];\n\n\t\t\tdata.data.attributes[ key ] = attribute.toJSON( data.data );\n\n\t\t}\n\n\t\tconst morphAttributes = {};\n\t\tlet hasMorphAttributes = false;\n\n\t\tfor ( const key in this.morphAttributes ) {\n\n\t\t\tconst attributeArray = this.morphAttributes[ key ];\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0, il = attributeArray.length; i < il; i ++ ) {\n\n\t\t\t\tconst attribute = attributeArray[ i ];\n\n\t\t\t\tarray.push( attribute.toJSON( data.data ) );\n\n\t\t\t}\n\n\t\t\tif ( array.length > 0 ) {\n\n\t\t\t\tmorphAttributes[ key ] = array;\n\n\t\t\t\thasMorphAttributes = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( hasMorphAttributes ) {\n\n\t\t\tdata.data.morphAttributes = morphAttributes;\n\t\t\tdata.data.morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t}\n\n\t\tconst groups = this.groups;\n\n\t\tif ( groups.length > 0 ) {\n\n\t\t\tdata.data.groups = JSON.parse( JSON.stringify( groups ) );\n\n\t\t}\n\n\t\tconst boundingSphere = this.boundingSphere;\n\n\t\tif ( boundingSphere !== null ) {\n\n\t\t\tdata.data.boundingSphere = {\n\t\t\t\tcenter: boundingSphere.center.toArray(),\n\t\t\t\tradius: boundingSphere.radius\n\t\t\t};\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tclone() {\n\n\t\t return new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\t// reset\n\n\t\tthis.index = null;\n\t\tthis.attributes = {};\n\t\tthis.morphAttributes = {};\n\t\tthis.groups = [];\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// used for storing cloned, shared data\n\n\t\tconst data = {};\n\n\t\t// name\n\n\t\tthis.name = source.name;\n\n\t\t// index\n\n\t\tconst index = source.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tthis.setIndex( index.clone( data ) );\n\n\t\t}\n\n\t\t// attributes\n\n\t\tconst attributes = source.attributes;\n\n\t\tfor ( const name in attributes ) {\n\n\t\t\tconst attribute = attributes[ name ];\n\t\t\tthis.setAttribute( name, attribute.clone( data ) );\n\n\t\t}\n\n\t\t// morph attributes\n\n\t\tconst morphAttributes = source.morphAttributes;\n\n\t\tfor ( const name in morphAttributes ) {\n\n\t\t\tconst array = [];\n\t\t\tconst morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes\n\n\t\t\tfor ( let i = 0, l = morphAttribute.length; i < l; i ++ ) {\n\n\t\t\t\tarray.push( morphAttribute[ i ].clone( data ) );\n\n\t\t\t}\n\n\t\t\tthis.morphAttributes[ name ] = array;\n\n\t\t}\n\n\t\tthis.morphTargetsRelative = source.morphTargetsRelative;\n\n\t\t// groups\n\n\t\tconst groups = source.groups;\n\n\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tconst group = groups[ i ];\n\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\t// bounding box\n\n\t\tconst boundingBox = source.boundingBox;\n\n\t\tif ( boundingBox !== null ) {\n\n\t\t\tthis.boundingBox = boundingBox.clone();\n\n\t\t}\n\n\t\t// bounding sphere\n\n\t\tconst boundingSphere = source.boundingSphere;\n\n\t\tif ( boundingSphere !== null ) {\n\n\t\t\tthis.boundingSphere = boundingSphere.clone();\n\n\t\t}\n\n\t\t// draw range\n\n\t\tthis.drawRange.start = source.drawRange.start;\n\t\tthis.drawRange.count = source.drawRange.count;\n\n\t\t// user data\n\n\t\tthis.userData = source.userData;\n\n\t\t// geometry generator parameters\n\n\t\tif ( source.parameters !== undefined ) this.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n}\n\nBufferGeometry.prototype.isBufferGeometry = true;\n\nconst _inverseMatrix$2 = /*@__PURE__*/ new Matrix4();\nconst _ray$2 = /*@__PURE__*/ new Ray();\nconst _sphere$3 = /*@__PURE__*/ new Sphere();\n\nconst _vA$1 = /*@__PURE__*/ new Vector3();\nconst _vB$1 = /*@__PURE__*/ new Vector3();\nconst _vC$1 = /*@__PURE__*/ new Vector3();\n\nconst _tempA = /*@__PURE__*/ new Vector3();\nconst _tempB = /*@__PURE__*/ new Vector3();\nconst _tempC = /*@__PURE__*/ new Vector3();\n\nconst _morphA = /*@__PURE__*/ new Vector3();\nconst _morphB = /*@__PURE__*/ new Vector3();\nconst _morphC = /*@__PURE__*/ new Vector3();\n\nconst _uvA$1 = /*@__PURE__*/ new Vector2();\nconst _uvB$1 = /*@__PURE__*/ new Vector2();\nconst _uvC$1 = /*@__PURE__*/ new Vector2();\n\nconst _intersectionPoint = /*@__PURE__*/ new Vector3();\nconst _intersectionPointWorld = /*@__PURE__*/ new Vector3();\n\nclass Mesh extends Object3D {\n\n\tconstructor( geometry = new BufferGeometry(), material = new MeshBasicMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Mesh';\n\n\t\tthis.geometry = geometry;\n\t\tthis.material = material;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tif ( source.morphTargetInfluences !== undefined ) {\n\n\t\t\tthis.morphTargetInfluences = source.morphTargetInfluences.slice();\n\n\t\t}\n\n\t\tif ( source.morphTargetDictionary !== undefined ) {\n\n\t\t\tthis.morphTargetDictionary = Object.assign( {}, source.morphTargetDictionary );\n\n\t\t}\n\n\t\tthis.material = source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst morphAttributes = geometry.morphAttributes;\n\t\t\tconst keys = Object.keys( morphAttributes );\n\n\t\t\tif ( keys.length > 0 ) {\n\n\t\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst morphTargets = geometry.morphTargets;\n\n\t\t\tif ( morphTargets !== undefined && morphTargets.length > 0 ) {\n\n\t\t\t\tconsole.error( 'THREE.Mesh.updateMorphTargets() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst material = this.material;\n\t\tconst matrixWorld = this.matrixWorld;\n\n\t\tif ( material === undefined ) return;\n\n\t\t// Checking boundingSphere distance to ray\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere$3.copy( geometry.boundingSphere );\n\t\t_sphere$3.applyMatrix4( matrixWorld );\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere$3 ) === false ) return;\n\n\t\t//\n\n\t\t_inverseMatrix$2.copy( matrixWorld ).invert();\n\t\t_ray$2.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$2 );\n\n\t\t// Check boundingBox before continuing\n\n\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\tif ( _ray$2.intersectsBox( geometry.boundingBox ) === false ) return;\n\n\t\t}\n\n\t\tlet intersection;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst index = geometry.index;\n\t\t\tconst position = geometry.attributes.position;\n\t\t\tconst morphPosition = geometry.morphAttributes.position;\n\t\t\tconst morphTargetsRelative = geometry.morphTargetsRelative;\n\t\t\tconst uv = geometry.attributes.uv;\n\t\t\tconst uv2 = geometry.attributes.uv2;\n\t\t\tconst groups = geometry.groups;\n\t\t\tconst drawRange = geometry.drawRange;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\t// indexed buffer geometry\n\n\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\tfor ( let i = 0, il = groups.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\tconst start = Math.max( group.start, drawRange.start );\n\t\t\t\t\t\tconst end = Math.min( index.count, Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ) );\n\n\t\t\t\t\t\tfor ( let j = start, jl = end; j < jl; j += 3 ) {\n\n\t\t\t\t\t\t\tconst a = index.getX( j );\n\t\t\t\t\t\t\tconst b = index.getX( j + 1 );\n\t\t\t\t\t\t\tconst c = index.getX( j + 2 );\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, groupMaterial, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( j / 3 ); // triangle number in indexed buffer semantics\n\t\t\t\t\t\t\t\tintersection.face.materialIndex = group.materialIndex;\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\t\tfor ( let i = start, il = end; i < il; i += 3 ) {\n\n\t\t\t\t\t\tconst a = index.getX( i );\n\t\t\t\t\t\tconst b = index.getX( i + 1 );\n\t\t\t\t\t\tconst c = index.getX( i + 2 );\n\n\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, material, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in indexed buffer semantics\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( position !== undefined ) {\n\n\t\t\t\t// non-indexed buffer geometry\n\n\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\tfor ( let i = 0, il = groups.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\tconst start = Math.max( group.start, drawRange.start );\n\t\t\t\t\t\tconst end = Math.min( position.count, Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ) );\n\n\t\t\t\t\t\tfor ( let j = start, jl = end; j < jl; j += 3 ) {\n\n\t\t\t\t\t\t\tconst a = j;\n\t\t\t\t\t\t\tconst b = j + 1;\n\t\t\t\t\t\t\tconst c = j + 2;\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, groupMaterial, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( j / 3 ); // triangle number in non-indexed buffer semantics\n\t\t\t\t\t\t\t\tintersection.face.materialIndex = group.materialIndex;\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\t\tconst end = Math.min( position.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\t\tfor ( let i = start, il = end; i < il; i += 3 ) {\n\n\t\t\t\t\t\tconst a = i;\n\t\t\t\t\t\tconst b = i + 1;\n\t\t\t\t\t\tconst c = i + 2;\n\n\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, material, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in non-indexed buffer semantics\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\tconsole.error( 'THREE.Mesh.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t}\n\n\t}\n\n}\n\nMesh.prototype.isMesh = true;\n\nfunction checkIntersection( object, material, raycaster, ray, pA, pB, pC, point ) {\n\n\tlet intersect;\n\n\tif ( material.side === BackSide ) {\n\n\t\tintersect = ray.intersectTriangle( pC, pB, pA, true, point );\n\n\t} else {\n\n\t\tintersect = ray.intersectTriangle( pA, pB, pC, material.side !== DoubleSide, point );\n\n\t}\n\n\tif ( intersect === null ) return null;\n\n\t_intersectionPointWorld.copy( point );\n\t_intersectionPointWorld.applyMatrix4( object.matrixWorld );\n\n\tconst distance = raycaster.ray.origin.distanceTo( _intersectionPointWorld );\n\n\tif ( distance < raycaster.near || distance > raycaster.far ) return null;\n\n\treturn {\n\t\tdistance: distance,\n\t\tpoint: _intersectionPointWorld.clone(),\n\t\tobject: object\n\t};\n\n}\n\nfunction checkBufferGeometryIntersection( object, material, raycaster, ray, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c ) {\n\n\t_vA$1.fromBufferAttribute( position, a );\n\t_vB$1.fromBufferAttribute( position, b );\n\t_vC$1.fromBufferAttribute( position, c );\n\n\tconst morphInfluences = object.morphTargetInfluences;\n\n\tif ( morphPosition && morphInfluences ) {\n\n\t\t_morphA.set( 0, 0, 0 );\n\t\t_morphB.set( 0, 0, 0 );\n\t\t_morphC.set( 0, 0, 0 );\n\n\t\tfor ( let i = 0, il = morphPosition.length; i < il; i ++ ) {\n\n\t\t\tconst influence = morphInfluences[ i ];\n\t\t\tconst morphAttribute = morphPosition[ i ];\n\n\t\t\tif ( influence === 0 ) continue;\n\n\t\t\t_tempA.fromBufferAttribute( morphAttribute, a );\n\t\t\t_tempB.fromBufferAttribute( morphAttribute, b );\n\t\t\t_tempC.fromBufferAttribute( morphAttribute, c );\n\n\t\t\tif ( morphTargetsRelative ) {\n\n\t\t\t\t_morphA.addScaledVector( _tempA, influence );\n\t\t\t\t_morphB.addScaledVector( _tempB, influence );\n\t\t\t\t_morphC.addScaledVector( _tempC, influence );\n\n\t\t\t} else {\n\n\t\t\t\t_morphA.addScaledVector( _tempA.sub( _vA$1 ), influence );\n\t\t\t\t_morphB.addScaledVector( _tempB.sub( _vB$1 ), influence );\n\t\t\t\t_morphC.addScaledVector( _tempC.sub( _vC$1 ), influence );\n\n\t\t\t}\n\n\t\t}\n\n\t\t_vA$1.add( _morphA );\n\t\t_vB$1.add( _morphB );\n\t\t_vC$1.add( _morphC );\n\n\t}\n\n\tif ( object.isSkinnedMesh ) {\n\n\t\tobject.boneTransform( a, _vA$1 );\n\t\tobject.boneTransform( b, _vB$1 );\n\t\tobject.boneTransform( c, _vC$1 );\n\n\t}\n\n\tconst intersection = checkIntersection( object, material, raycaster, ray, _vA$1, _vB$1, _vC$1, _intersectionPoint );\n\n\tif ( intersection ) {\n\n\t\tif ( uv ) {\n\n\t\t\t_uvA$1.fromBufferAttribute( uv, a );\n\t\t\t_uvB$1.fromBufferAttribute( uv, b );\n\t\t\t_uvC$1.fromBufferAttribute( uv, c );\n\n\t\t\tintersection.uv = Triangle.getUV( _intersectionPoint, _vA$1, _vB$1, _vC$1, _uvA$1, _uvB$1, _uvC$1, new Vector2() );\n\n\t\t}\n\n\t\tif ( uv2 ) {\n\n\t\t\t_uvA$1.fromBufferAttribute( uv2, a );\n\t\t\t_uvB$1.fromBufferAttribute( uv2, b );\n\t\t\t_uvC$1.fromBufferAttribute( uv2, c );\n\n\t\t\tintersection.uv2 = Triangle.getUV( _intersectionPoint, _vA$1, _vB$1, _vC$1, _uvA$1, _uvB$1, _uvC$1, new Vector2() );\n\n\t\t}\n\n\t\tconst face = {\n\t\t\ta: a,\n\t\t\tb: b,\n\t\t\tc: c,\n\t\t\tnormal: new Vector3(),\n\t\t\tmaterialIndex: 0\n\t\t};\n\n\t\tTriangle.getNormal( _vA$1, _vB$1, _vC$1, face.normal );\n\n\t\tintersection.face = face;\n\n\t}\n\n\treturn intersection;\n\n}\n\nclass BoxGeometry extends BufferGeometry {\n\n\tconstructor( width = 1, height = 1, depth = 1, widthSegments = 1, heightSegments = 1, depthSegments = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'BoxGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tconst scope = this;\n\n\t\t// segments\n\n\t\twidthSegments = Math.floor( widthSegments );\n\t\theightSegments = Math.floor( heightSegments );\n\t\tdepthSegments = Math.floor( depthSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet numberOfVertices = 0;\n\t\tlet groupStart = 0;\n\n\t\t// build each side of the box geometry\n\n\t\tbuildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px\n\t\tbuildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx\n\t\tbuildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py\n\t\tbuildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny\n\t\tbuildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz\n\t\tbuildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\tfunction buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) {\n\n\t\t\tconst segmentWidth = width / gridX;\n\t\t\tconst segmentHeight = height / gridY;\n\n\t\t\tconst widthHalf = width / 2;\n\t\t\tconst heightHalf = height / 2;\n\t\t\tconst depthHalf = depth / 2;\n\n\t\t\tconst gridX1 = gridX + 1;\n\t\t\tconst gridY1 = gridY + 1;\n\n\t\t\tlet vertexCounter = 0;\n\t\t\tlet groupCount = 0;\n\n\t\t\tconst vector = new Vector3();\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( let iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\t\tconst y = iy * segmentHeight - heightHalf;\n\n\t\t\t\tfor ( let ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\t\tconst x = ix * segmentWidth - widthHalf;\n\n\t\t\t\t\t// set values to correct vector component\n\n\t\t\t\t\tvector[ u ] = x * udir;\n\t\t\t\t\tvector[ v ] = y * vdir;\n\t\t\t\t\tvector[ w ] = depthHalf;\n\n\t\t\t\t\t// now apply vector to vertex buffer\n\n\t\t\t\t\tvertices.push( vector.x, vector.y, vector.z );\n\n\t\t\t\t\t// set values to correct vector component\n\n\t\t\t\t\tvector[ u ] = 0;\n\t\t\t\t\tvector[ v ] = 0;\n\t\t\t\t\tvector[ w ] = depth > 0 ? 1 : - 1;\n\n\t\t\t\t\t// now apply vector to normal buffer\n\n\t\t\t\t\tnormals.push( vector.x, vector.y, vector.z );\n\n\t\t\t\t\t// uvs\n\n\t\t\t\t\tuvs.push( ix / gridX );\n\t\t\t\t\tuvs.push( 1 - ( iy / gridY ) );\n\n\t\t\t\t\t// counters\n\n\t\t\t\t\tvertexCounter += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// indices\n\n\t\t\t// 1. you need three indices to draw a single face\n\t\t\t// 2. a single segment consists of two faces\n\t\t\t// 3. so we need to generate six (2*3) indices per segment\n\n\t\t\tfor ( let iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\t\tfor ( let ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\t\tconst a = numberOfVertices + ix + gridX1 * iy;\n\t\t\t\t\tconst b = numberOfVertices + ix + gridX1 * ( iy + 1 );\n\t\t\t\t\tconst c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\t\tconst d = numberOfVertices + ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t\t// increase counter\n\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, materialIndex );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t\t// update total number of vertices\n\n\t\t\tnumberOfVertices += vertexCounter;\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new BoxGeometry( data.width, data.height, data.depth, data.widthSegments, data.heightSegments, data.depthSegments );\n\n\t}\n\n}\n\n/**\n * Uniform Utilities\n */\n\nfunction cloneUniforms( src ) {\n\n\tconst dst = {};\n\n\tfor ( const u in src ) {\n\n\t\tdst[ u ] = {};\n\n\t\tfor ( const p in src[ u ] ) {\n\n\t\t\tconst property = src[ u ][ p ];\n\n\t\t\tif ( property && ( property.isColor ||\n\t\t\t\tproperty.isMatrix3 || property.isMatrix4 ||\n\t\t\t\tproperty.isVector2 || property.isVector3 || property.isVector4 ||\n\t\t\t\tproperty.isTexture || property.isQuaternion ) ) {\n\n\t\t\t\tdst[ u ][ p ] = property.clone();\n\n\t\t\t} else if ( Array.isArray( property ) ) {\n\n\t\t\t\tdst[ u ][ p ] = property.slice();\n\n\t\t\t} else {\n\n\t\t\t\tdst[ u ][ p ] = property;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn dst;\n\n}\n\nfunction mergeUniforms( uniforms ) {\n\n\tconst merged = {};\n\n\tfor ( let u = 0; u < uniforms.length; u ++ ) {\n\n\t\tconst tmp = cloneUniforms( uniforms[ u ] );\n\n\t\tfor ( const p in tmp ) {\n\n\t\t\tmerged[ p ] = tmp[ p ];\n\n\t\t}\n\n\t}\n\n\treturn merged;\n\n}\n\n// Legacy\n\nconst UniformsUtils = { clone: cloneUniforms, merge: mergeUniforms };\n\nvar default_vertex = \"void main() {\\n\\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\\n}\";\n\nvar default_fragment = \"void main() {\\n\\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\\n}\";\n\n/**\n * parameters = {\n * defines: { \"label\" : \"value\" },\n * uniforms: { \"parameter1\": { value: 1.0 }, \"parameter2\": { value2: 2 } },\n *\n * fragmentShader: ,\n * vertexShader: ,\n *\n * wireframe: ,\n * wireframeLinewidth: ,\n *\n * lights: \n * }\n */\n\nclass ShaderMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ShaderMaterial';\n\n\t\tthis.defines = {};\n\t\tthis.uniforms = {};\n\n\t\tthis.vertexShader = default_vertex;\n\t\tthis.fragmentShader = default_fragment;\n\n\t\tthis.linewidth = 1;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false; // set to use scene fog\n\t\tthis.lights = false; // set to use scene lights\n\t\tthis.clipping = false; // set to use user-defined clipping planes\n\n\t\tthis.extensions = {\n\t\t\tderivatives: false, // set to use derivatives\n\t\t\tfragDepth: false, // set to use fragment depth values\n\t\t\tdrawBuffers: false, // set to use draw buffers\n\t\t\tshaderTextureLOD: false // set to use shader texture LOD\n\t\t};\n\n\t\t// When rendered geometry doesn't include these attributes but the material does,\n\t\t// use these default values in WebGL. This avoids errors when buffer data is missing.\n\t\tthis.defaultAttributeValues = {\n\t\t\t'color': [ 1, 1, 1 ],\n\t\t\t'uv': [ 0, 0 ],\n\t\t\t'uv2': [ 0, 0 ]\n\t\t};\n\n\t\tthis.index0AttributeName = undefined;\n\t\tthis.uniformsNeedUpdate = false;\n\n\t\tthis.glslVersion = null;\n\n\t\tif ( parameters !== undefined ) {\n\n\t\t\tif ( parameters.attributes !== undefined ) {\n\n\t\t\t\tconsole.error( 'THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t\tthis.setValues( parameters );\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.fragmentShader = source.fragmentShader;\n\t\tthis.vertexShader = source.vertexShader;\n\n\t\tthis.uniforms = cloneUniforms( source.uniforms );\n\n\t\tthis.defines = Object.assign( {}, source.defines );\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.lights = source.lights;\n\t\tthis.clipping = source.clipping;\n\n\t\tthis.extensions = Object.assign( {}, source.extensions );\n\n\t\tthis.glslVersion = source.glslVersion;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.glslVersion = this.glslVersion;\n\t\tdata.uniforms = {};\n\n\t\tfor ( const name in this.uniforms ) {\n\n\t\t\tconst uniform = this.uniforms[ name ];\n\t\t\tconst value = uniform.value;\n\n\t\t\tif ( value && value.isTexture ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 't',\n\t\t\t\t\tvalue: value.toJSON( meta ).uuid\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isColor ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'c',\n\t\t\t\t\tvalue: value.getHex()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector2 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v2',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector3 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v3',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector4 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v4',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isMatrix3 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'm3',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isMatrix4 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'm4',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\tvalue: value\n\t\t\t\t};\n\n\t\t\t\t// note: the array variants v2v, v3v, v4v, m4v and tv are not supported so far\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( Object.keys( this.defines ).length > 0 ) data.defines = this.defines;\n\n\t\tdata.vertexShader = this.vertexShader;\n\t\tdata.fragmentShader = this.fragmentShader;\n\n\t\tconst extensions = {};\n\n\t\tfor ( const key in this.extensions ) {\n\n\t\t\tif ( this.extensions[ key ] === true ) extensions[ key ] = true;\n\n\t\t}\n\n\t\tif ( Object.keys( extensions ).length > 0 ) data.extensions = extensions;\n\n\t\treturn data;\n\n\t}\n\n}\n\nShaderMaterial.prototype.isShaderMaterial = true;\n\nclass Camera extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'Camera';\n\n\t\tthis.matrixWorldInverse = new Matrix4();\n\n\t\tthis.projectionMatrix = new Matrix4();\n\t\tthis.projectionMatrixInverse = new Matrix4();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.matrixWorldInverse.copy( source.matrixWorldInverse );\n\n\t\tthis.projectionMatrix.copy( source.projectionMatrix );\n\t\tthis.projectionMatrixInverse.copy( source.projectionMatrixInverse );\n\n\t\treturn this;\n\n\t}\n\n\tgetWorldDirection( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tconst e = this.matrixWorld.elements;\n\n\t\treturn target.set( - e[ 8 ], - e[ 9 ], - e[ 10 ] ).normalize();\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tthis.matrixWorldInverse.copy( this.matrixWorld ).invert();\n\n\t}\n\n\tupdateWorldMatrix( updateParents, updateChildren ) {\n\n\t\tsuper.updateWorldMatrix( updateParents, updateChildren );\n\n\t\tthis.matrixWorldInverse.copy( this.matrixWorld ).invert();\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nCamera.prototype.isCamera = true;\n\nclass PerspectiveCamera extends Camera {\n\n\tconstructor( fov = 50, aspect = 1, near = 0.1, far = 2000 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'PerspectiveCamera';\n\n\t\tthis.fov = fov;\n\t\tthis.zoom = 1;\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\t\tthis.focus = 10;\n\n\t\tthis.aspect = aspect;\n\t\tthis.view = null;\n\n\t\tthis.filmGauge = 35;\t// width of the film (default in millimeters)\n\t\tthis.filmOffset = 0;\t// horizontal film offset (same unit as gauge)\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.fov = source.fov;\n\t\tthis.zoom = source.zoom;\n\n\t\tthis.near = source.near;\n\t\tthis.far = source.far;\n\t\tthis.focus = source.focus;\n\n\t\tthis.aspect = source.aspect;\n\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\tthis.filmGauge = source.filmGauge;\n\t\tthis.filmOffset = source.filmOffset;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the FOV by focal length in respect to the current .filmGauge.\n\t *\n\t * The default film gauge is 35, so that the focal length can be specified for\n\t * a 35mm (full frame) camera.\n\t *\n\t * Values for focal length and film gauge must have the same unit.\n\t */\n\tsetFocalLength( focalLength ) {\n\n\t\t/** see {@link http://www.bobatkins.com/photography/technical/field_of_view.html} */\n\t\tconst vExtentSlope = 0.5 * this.getFilmHeight() / focalLength;\n\n\t\tthis.fov = RAD2DEG * 2 * Math.atan( vExtentSlope );\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\t/**\n\t * Calculates the focal length from the current .fov and .filmGauge.\n\t */\n\tgetFocalLength() {\n\n\t\tconst vExtentSlope = Math.tan( DEG2RAD * 0.5 * this.fov );\n\n\t\treturn 0.5 * this.getFilmHeight() / vExtentSlope;\n\n\t}\n\n\tgetEffectiveFOV() {\n\n\t\treturn RAD2DEG * 2 * Math.atan(\n\t\t\tMath.tan( DEG2RAD * 0.5 * this.fov ) / this.zoom );\n\n\t}\n\n\tgetFilmWidth() {\n\n\t\t// film not completely covered in portrait format (aspect < 1)\n\t\treturn this.filmGauge * Math.min( this.aspect, 1 );\n\n\t}\n\n\tgetFilmHeight() {\n\n\t\t// film not completely covered in landscape format (aspect > 1)\n\t\treturn this.filmGauge / Math.max( this.aspect, 1 );\n\n\t}\n\n\t/**\n\t * Sets an offset in a larger frustum. This is useful for multi-window or\n\t * multi-monitor/multi-machine setups.\n\t *\n\t * For example, if you have 3x2 monitors and each monitor is 1920x1080 and\n\t * the monitors are in grid like this\n\t *\n\t * +---+---+---+\n\t * | A | B | C |\n\t * +---+---+---+\n\t * | D | E | F |\n\t * +---+---+---+\n\t *\n\t * then for each monitor you would call it like this\n\t *\n\t * const w = 1920;\n\t * const h = 1080;\n\t * const fullWidth = w * 3;\n\t * const fullHeight = h * 2;\n\t *\n\t * --A--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 0, w, h );\n\t * --B--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 0, w, h );\n\t * --C--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 0, w, h );\n\t * --D--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 1, w, h );\n\t * --E--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 1, w, h );\n\t * --F--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 1, w, h );\n\t *\n\t * Note there is no reason monitors have to be the same size or in a grid.\n\t */\n\tsetViewOffset( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\tthis.aspect = fullWidth / fullHeight;\n\n\t\tif ( this.view === null ) {\n\n\t\t\tthis.view = {\n\t\t\t\tenabled: true,\n\t\t\t\tfullWidth: 1,\n\t\t\t\tfullHeight: 1,\n\t\t\t\toffsetX: 0,\n\t\t\t\toffsetY: 0,\n\t\t\t\twidth: 1,\n\t\t\t\theight: 1\n\t\t\t};\n\n\t\t}\n\n\t\tthis.view.enabled = true;\n\t\tthis.view.fullWidth = fullWidth;\n\t\tthis.view.fullHeight = fullHeight;\n\t\tthis.view.offsetX = x;\n\t\tthis.view.offsetY = y;\n\t\tthis.view.width = width;\n\t\tthis.view.height = height;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tclearViewOffset() {\n\n\t\tif ( this.view !== null ) {\n\n\t\t\tthis.view.enabled = false;\n\n\t\t}\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tupdateProjectionMatrix() {\n\n\t\tconst near = this.near;\n\t\tlet top = near * Math.tan( DEG2RAD * 0.5 * this.fov ) / this.zoom;\n\t\tlet height = 2 * top;\n\t\tlet width = this.aspect * height;\n\t\tlet left = - 0.5 * width;\n\t\tconst view = this.view;\n\n\t\tif ( this.view !== null && this.view.enabled ) {\n\n\t\t\tconst fullWidth = view.fullWidth,\n\t\t\t\tfullHeight = view.fullHeight;\n\n\t\t\tleft += view.offsetX * width / fullWidth;\n\t\t\ttop -= view.offsetY * height / fullHeight;\n\t\t\twidth *= view.width / fullWidth;\n\t\t\theight *= view.height / fullHeight;\n\n\t\t}\n\n\t\tconst skew = this.filmOffset;\n\t\tif ( skew !== 0 ) left += near * skew / this.getFilmWidth();\n\n\t\tthis.projectionMatrix.makePerspective( left, left + width, top, top - height, near, this.far );\n\n\t\tthis.projectionMatrixInverse.copy( this.projectionMatrix ).invert();\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.fov = this.fov;\n\t\tdata.object.zoom = this.zoom;\n\n\t\tdata.object.near = this.near;\n\t\tdata.object.far = this.far;\n\t\tdata.object.focus = this.focus;\n\n\t\tdata.object.aspect = this.aspect;\n\n\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\tdata.object.filmGauge = this.filmGauge;\n\t\tdata.object.filmOffset = this.filmOffset;\n\n\t\treturn data;\n\n\t}\n\n}\n\nPerspectiveCamera.prototype.isPerspectiveCamera = true;\n\nconst fov = 90, aspect = 1;\n\nclass CubeCamera extends Object3D {\n\n\tconstructor( near, far, renderTarget ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CubeCamera';\n\n\t\tif ( renderTarget.isWebGLCubeRenderTarget !== true ) {\n\n\t\t\tconsole.error( 'THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis.renderTarget = renderTarget;\n\n\t\tconst cameraPX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPX.layers = this.layers;\n\t\tcameraPX.up.set( 0, - 1, 0 );\n\t\tcameraPX.lookAt( new Vector3( 1, 0, 0 ) );\n\t\tthis.add( cameraPX );\n\n\t\tconst cameraNX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNX.layers = this.layers;\n\t\tcameraNX.up.set( 0, - 1, 0 );\n\t\tcameraNX.lookAt( new Vector3( - 1, 0, 0 ) );\n\t\tthis.add( cameraNX );\n\n\t\tconst cameraPY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPY.layers = this.layers;\n\t\tcameraPY.up.set( 0, 0, 1 );\n\t\tcameraPY.lookAt( new Vector3( 0, 1, 0 ) );\n\t\tthis.add( cameraPY );\n\n\t\tconst cameraNY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNY.layers = this.layers;\n\t\tcameraNY.up.set( 0, 0, - 1 );\n\t\tcameraNY.lookAt( new Vector3( 0, - 1, 0 ) );\n\t\tthis.add( cameraNY );\n\n\t\tconst cameraPZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPZ.layers = this.layers;\n\t\tcameraPZ.up.set( 0, - 1, 0 );\n\t\tcameraPZ.lookAt( new Vector3( 0, 0, 1 ) );\n\t\tthis.add( cameraPZ );\n\n\t\tconst cameraNZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNZ.layers = this.layers;\n\t\tcameraNZ.up.set( 0, - 1, 0 );\n\t\tcameraNZ.lookAt( new Vector3( 0, 0, - 1 ) );\n\t\tthis.add( cameraNZ );\n\n\t}\n\n\tupdate( renderer, scene ) {\n\n\t\tif ( this.parent === null ) this.updateMatrixWorld();\n\n\t\tconst renderTarget = this.renderTarget;\n\n\t\tconst [ cameraPX, cameraNX, cameraPY, cameraNY, cameraPZ, cameraNZ ] = this.children;\n\n\t\tconst currentXrEnabled = renderer.xr.enabled;\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\trenderer.xr.enabled = false;\n\n\t\tconst generateMipmaps = renderTarget.texture.generateMipmaps;\n\n\t\trenderTarget.texture.generateMipmaps = false;\n\n\t\trenderer.setRenderTarget( renderTarget, 0 );\n\t\trenderer.render( scene, cameraPX );\n\n\t\trenderer.setRenderTarget( renderTarget, 1 );\n\t\trenderer.render( scene, cameraNX );\n\n\t\trenderer.setRenderTarget( renderTarget, 2 );\n\t\trenderer.render( scene, cameraPY );\n\n\t\trenderer.setRenderTarget( renderTarget, 3 );\n\t\trenderer.render( scene, cameraNY );\n\n\t\trenderer.setRenderTarget( renderTarget, 4 );\n\t\trenderer.render( scene, cameraPZ );\n\n\t\trenderTarget.texture.generateMipmaps = generateMipmaps;\n\n\t\trenderer.setRenderTarget( renderTarget, 5 );\n\t\trenderer.render( scene, cameraNZ );\n\n\t\trenderer.setRenderTarget( currentRenderTarget );\n\n\t\trenderer.xr.enabled = currentXrEnabled;\n\n\t}\n\n}\n\nclass CubeTexture extends Texture {\n\n\tconstructor( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {\n\n\t\timages = images !== undefined ? images : [];\n\t\tmapping = mapping !== undefined ? mapping : CubeReflectionMapping;\n\n\t\tsuper( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.flipY = false;\n\n\t}\n\n\tget images() {\n\n\t\treturn this.image;\n\n\t}\n\n\tset images( value ) {\n\n\t\tthis.image = value;\n\n\t}\n\n}\n\nCubeTexture.prototype.isCubeTexture = true;\n\nclass WebGLCubeRenderTarget extends WebGLRenderTarget {\n\n\tconstructor( size, options, dummy ) {\n\n\t\tif ( Number.isInteger( options ) ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLCubeRenderTarget: constructor signature is now WebGLCubeRenderTarget( size, options )' );\n\n\t\t\toptions = dummy;\n\n\t\t}\n\n\t\tsuper( size, size, options );\n\n\t\toptions = options || {};\n\n\t\t// By convention -- likely based on the RenderMan spec from the 1990's -- cube maps are specified by WebGL (and three.js)\n\t\t// in a coordinate system in which positive-x is to the right when looking up the positive-z axis -- in other words,\n\t\t// in a left-handed coordinate system. By continuing this convention, preexisting cube maps continued to render correctly.\n\n\t\t// three.js uses a right-handed coordinate system. So environment maps used in three.js appear to have px and nx swapped\n\t\t// and the flag isRenderTargetTexture controls this conversion. The flip is not required when using WebGLCubeRenderTarget.texture\n\t\t// as a cube texture (this is detected when isRenderTargetTexture is set to true for cube textures).\n\n\t\tthis.texture = new CubeTexture( undefined, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding );\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t\tthis.texture.generateMipmaps = options.generateMipmaps !== undefined ? options.generateMipmaps : false;\n\t\tthis.texture.minFilter = options.minFilter !== undefined ? options.minFilter : LinearFilter;\n\n\t\tthis.texture._needsFlipEnvMap = false;\n\n\t}\n\n\tfromEquirectangularTexture( renderer, texture ) {\n\n\t\tthis.texture.type = texture.type;\n\t\tthis.texture.format = RGBAFormat; // see #18859\n\t\tthis.texture.encoding = texture.encoding;\n\n\t\tthis.texture.generateMipmaps = texture.generateMipmaps;\n\t\tthis.texture.minFilter = texture.minFilter;\n\t\tthis.texture.magFilter = texture.magFilter;\n\n\t\tconst shader = {\n\n\t\t\tuniforms: {\n\t\t\t\ttEquirect: { value: null },\n\t\t\t},\n\n\t\t\tvertexShader: /* glsl */`\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include \n\t\t\t\t\t#include \n\n\t\t\t\t}\n\t\t\t`,\n\n\t\t\tfragmentShader: /* glsl */`\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include \n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t`\n\t\t};\n\n\t\tconst geometry = new BoxGeometry( 5, 5, 5 );\n\n\t\tconst material = new ShaderMaterial( {\n\n\t\t\tname: 'CubemapFromEquirect',\n\n\t\t\tuniforms: cloneUniforms( shader.uniforms ),\n\t\t\tvertexShader: shader.vertexShader,\n\t\t\tfragmentShader: shader.fragmentShader,\n\t\t\tside: BackSide,\n\t\t\tblending: NoBlending\n\n\t\t} );\n\n\t\tmaterial.uniforms.tEquirect.value = texture;\n\n\t\tconst mesh = new Mesh( geometry, material );\n\n\t\tconst currentMinFilter = texture.minFilter;\n\n\t\t// Avoid blurred poles\n\t\tif ( texture.minFilter === LinearMipmapLinearFilter ) texture.minFilter = LinearFilter;\n\n\t\tconst camera = new CubeCamera( 1, 10, this );\n\t\tcamera.update( renderer, mesh );\n\n\t\ttexture.minFilter = currentMinFilter;\n\n\t\tmesh.geometry.dispose();\n\t\tmesh.material.dispose();\n\n\t\treturn this;\n\n\t}\n\n\tclear( renderer, color, depth, stencil ) {\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\trenderer.setRenderTarget( this, i );\n\n\t\t\trenderer.clear( color, depth, stencil );\n\n\t\t}\n\n\t\trenderer.setRenderTarget( currentRenderTarget );\n\n\t}\n\n}\n\nWebGLCubeRenderTarget.prototype.isWebGLCubeRenderTarget = true;\n\nconst _vector1 = /*@__PURE__*/ new Vector3();\nconst _vector2 = /*@__PURE__*/ new Vector3();\nconst _normalMatrix = /*@__PURE__*/ new Matrix3();\n\nclass Plane {\n\n\tconstructor( normal = new Vector3( 1, 0, 0 ), constant = 0 ) {\n\n\t\t// normal is assumed to be normalized\n\n\t\tthis.normal = normal;\n\t\tthis.constant = constant;\n\n\t}\n\n\tset( normal, constant ) {\n\n\t\tthis.normal.copy( normal );\n\t\tthis.constant = constant;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponents( x, y, z, w ) {\n\n\t\tthis.normal.set( x, y, z );\n\t\tthis.constant = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromNormalAndCoplanarPoint( normal, point ) {\n\n\t\tthis.normal.copy( normal );\n\t\tthis.constant = - point.dot( this.normal );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCoplanarPoints( a, b, c ) {\n\n\t\tconst normal = _vector1.subVectors( c, b ).cross( _vector2.subVectors( a, b ) ).normalize();\n\n\t\t// Q: should an error be thrown if normal is zero (e.g. degenerate plane)?\n\n\t\tthis.setFromNormalAndCoplanarPoint( normal, a );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( plane ) {\n\n\t\tthis.normal.copy( plane.normal );\n\t\tthis.constant = plane.constant;\n\n\t\treturn this;\n\n\t}\n\n\tnormalize() {\n\n\t\t// Note: will lead to a divide by zero if the plane is invalid.\n\n\t\tconst inverseNormalLength = 1.0 / this.normal.length();\n\t\tthis.normal.multiplyScalar( inverseNormalLength );\n\t\tthis.constant *= inverseNormalLength;\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.constant *= - 1;\n\t\tthis.normal.negate();\n\n\t\treturn this;\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn this.normal.dot( point ) + this.constant;\n\n\t}\n\n\tdistanceToSphere( sphere ) {\n\n\t\treturn this.distanceToPoint( sphere.center ) - sphere.radius;\n\n\t}\n\n\tprojectPoint( point, target ) {\n\n\t\treturn target.copy( this.normal ).multiplyScalar( - this.distanceToPoint( point ) ).add( point );\n\n\t}\n\n\tintersectLine( line, target ) {\n\n\t\tconst direction = line.delta( _vector1 );\n\n\t\tconst denominator = this.normal.dot( direction );\n\n\t\tif ( denominator === 0 ) {\n\n\t\t\t// line is coplanar, return origin\n\t\t\tif ( this.distanceToPoint( line.start ) === 0 ) {\n\n\t\t\t\treturn target.copy( line.start );\n\n\t\t\t}\n\n\t\t\t// Unsure if this is the correct method to handle this case.\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst t = - ( line.start.dot( this.normal ) + this.constant ) / denominator;\n\n\t\tif ( t < 0 || t > 1 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\treturn target.copy( direction ).multiplyScalar( t ).add( line.start );\n\n\t}\n\n\tintersectsLine( line ) {\n\n\t\t// Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it.\n\n\t\tconst startSign = this.distanceToPoint( line.start );\n\t\tconst endSign = this.distanceToPoint( line.end );\n\n\t\treturn ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsPlane( this );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\treturn sphere.intersectsPlane( this );\n\n\t}\n\n\tcoplanarPoint( target ) {\n\n\t\treturn target.copy( this.normal ).multiplyScalar( - this.constant );\n\n\t}\n\n\tapplyMatrix4( matrix, optionalNormalMatrix ) {\n\n\t\tconst normalMatrix = optionalNormalMatrix || _normalMatrix.getNormalMatrix( matrix );\n\n\t\tconst referencePoint = this.coplanarPoint( _vector1 ).applyMatrix4( matrix );\n\n\t\tconst normal = this.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\tthis.constant = - referencePoint.dot( normal );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.constant -= offset.dot( this.normal );\n\n\t\treturn this;\n\n\t}\n\n\tequals( plane ) {\n\n\t\treturn plane.normal.equals( this.normal ) && ( plane.constant === this.constant );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nPlane.prototype.isPlane = true;\n\nconst _sphere$2 = /*@__PURE__*/ new Sphere();\nconst _vector$7 = /*@__PURE__*/ new Vector3();\n\nclass Frustum {\n\n\tconstructor( p0 = new Plane(), p1 = new Plane(), p2 = new Plane(), p3 = new Plane(), p4 = new Plane(), p5 = new Plane() ) {\n\n\t\tthis.planes = [ p0, p1, p2, p3, p4, p5 ];\n\n\t}\n\n\tset( p0, p1, p2, p3, p4, p5 ) {\n\n\t\tconst planes = this.planes;\n\n\t\tplanes[ 0 ].copy( p0 );\n\t\tplanes[ 1 ].copy( p1 );\n\t\tplanes[ 2 ].copy( p2 );\n\t\tplanes[ 3 ].copy( p3 );\n\t\tplanes[ 4 ].copy( p4 );\n\t\tplanes[ 5 ].copy( p5 );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( frustum ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tplanes[ i ].copy( frustum.planes[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromProjectionMatrix( m ) {\n\n\t\tconst planes = this.planes;\n\t\tconst me = m.elements;\n\t\tconst me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ];\n\t\tconst me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ];\n\t\tconst me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ];\n\t\tconst me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ];\n\n\t\tplanes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize();\n\t\tplanes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize();\n\t\tplanes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize();\n\t\tplanes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize();\n\t\tplanes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize();\n\t\tplanes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize();\n\n\t\treturn this;\n\n\t}\n\n\tintersectsObject( object ) {\n\n\t\tconst geometry = object.geometry;\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere$2.copy( geometry.boundingSphere ).applyMatrix4( object.matrixWorld );\n\n\t\treturn this.intersectsSphere( _sphere$2 );\n\n\t}\n\n\tintersectsSprite( sprite ) {\n\n\t\t_sphere$2.center.set( 0, 0, 0 );\n\t\t_sphere$2.radius = 0.7071067811865476;\n\t\t_sphere$2.applyMatrix4( sprite.matrixWorld );\n\n\t\treturn this.intersectsSphere( _sphere$2 );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\tconst planes = this.planes;\n\t\tconst center = sphere.center;\n\t\tconst negRadius = - sphere.radius;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst distance = planes[ i ].distanceToPoint( center );\n\n\t\t\tif ( distance < negRadius ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst plane = planes[ i ];\n\n\t\t\t// corner at max distance\n\n\t\t\t_vector$7.x = plane.normal.x > 0 ? box.max.x : box.min.x;\n\t\t\t_vector$7.y = plane.normal.y > 0 ? box.max.y : box.min.y;\n\t\t\t_vector$7.z = plane.normal.z > 0 ? box.max.z : box.min.z;\n\n\t\t\tif ( plane.distanceToPoint( _vector$7 ) < 0 ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tif ( planes[ i ].distanceToPoint( point ) < 0 ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nfunction WebGLAnimation() {\n\n\tlet context = null;\n\tlet isAnimating = false;\n\tlet animationLoop = null;\n\tlet requestId = null;\n\n\tfunction onAnimationFrame( time, frame ) {\n\n\t\tanimationLoop( time, frame );\n\n\t\trequestId = context.requestAnimationFrame( onAnimationFrame );\n\n\t}\n\n\treturn {\n\n\t\tstart: function () {\n\n\t\t\tif ( isAnimating === true ) return;\n\t\t\tif ( animationLoop === null ) return;\n\n\t\t\trequestId = context.requestAnimationFrame( onAnimationFrame );\n\n\t\t\tisAnimating = true;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tcontext.cancelAnimationFrame( requestId );\n\n\t\t\tisAnimating = false;\n\n\t\t},\n\n\t\tsetAnimationLoop: function ( callback ) {\n\n\t\t\tanimationLoop = callback;\n\n\t\t},\n\n\t\tsetContext: function ( value ) {\n\n\t\t\tcontext = value;\n\n\t\t}\n\n\t};\n\n}\n\nfunction WebGLAttributes( gl, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tconst buffers = new WeakMap();\n\n\tfunction createBuffer( attribute, bufferType ) {\n\n\t\tconst array = attribute.array;\n\t\tconst usage = attribute.usage;\n\n\t\tconst buffer = gl.createBuffer();\n\n\t\tgl.bindBuffer( bufferType, buffer );\n\t\tgl.bufferData( bufferType, array, usage );\n\n\t\tattribute.onUploadCallback();\n\n\t\tlet type = 5126;\n\n\t\tif ( array instanceof Float32Array ) {\n\n\t\t\ttype = 5126;\n\n\t\t} else if ( array instanceof Float64Array ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLAttributes: Unsupported data buffer format: Float64Array.' );\n\n\t\t} else if ( array instanceof Uint16Array ) {\n\n\t\t\tif ( attribute.isFloat16BufferAttribute ) {\n\n\t\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\t\ttype = 5131;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2.' );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\ttype = 5123;\n\n\t\t\t}\n\n\t\t} else if ( array instanceof Int16Array ) {\n\n\t\t\ttype = 5122;\n\n\t\t} else if ( array instanceof Uint32Array ) {\n\n\t\t\ttype = 5125;\n\n\t\t} else if ( array instanceof Int32Array ) {\n\n\t\t\ttype = 5124;\n\n\t\t} else if ( array instanceof Int8Array ) {\n\n\t\t\ttype = 5120;\n\n\t\t} else if ( array instanceof Uint8Array ) {\n\n\t\t\ttype = 5121;\n\n\t\t} else if ( array instanceof Uint8ClampedArray ) {\n\n\t\t\ttype = 5121;\n\n\t\t}\n\n\t\treturn {\n\t\t\tbuffer: buffer,\n\t\t\ttype: type,\n\t\t\tbytesPerElement: array.BYTES_PER_ELEMENT,\n\t\t\tversion: attribute.version\n\t\t};\n\n\t}\n\n\tfunction updateBuffer( buffer, attribute, bufferType ) {\n\n\t\tconst array = attribute.array;\n\t\tconst updateRange = attribute.updateRange;\n\n\t\tgl.bindBuffer( bufferType, buffer );\n\n\t\tif ( updateRange.count === - 1 ) {\n\n\t\t\t// Not using update ranges\n\n\t\t\tgl.bufferSubData( bufferType, 0, array );\n\n\t\t} else {\n\n\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\tgl.bufferSubData( bufferType, updateRange.offset * array.BYTES_PER_ELEMENT,\n\t\t\t\t\tarray, updateRange.offset, updateRange.count );\n\n\t\t\t} else {\n\n\t\t\t\tgl.bufferSubData( bufferType, updateRange.offset * array.BYTES_PER_ELEMENT,\n\t\t\t\t\tarray.subarray( updateRange.offset, updateRange.offset + updateRange.count ) );\n\n\t\t\t}\n\n\t\t\tupdateRange.count = - 1; // reset range\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction get( attribute ) {\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\treturn buffers.get( attribute );\n\n\t}\n\n\tfunction remove( attribute ) {\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\tconst data = buffers.get( attribute );\n\n\t\tif ( data ) {\n\n\t\t\tgl.deleteBuffer( data.buffer );\n\n\t\t\tbuffers.delete( attribute );\n\n\t\t}\n\n\t}\n\n\tfunction update( attribute, bufferType ) {\n\n\t\tif ( attribute.isGLBufferAttribute ) {\n\n\t\t\tconst cached = buffers.get( attribute );\n\n\t\t\tif ( ! cached || cached.version < attribute.version ) {\n\n\t\t\t\tbuffers.set( attribute, {\n\t\t\t\t\tbuffer: attribute.buffer,\n\t\t\t\t\ttype: attribute.type,\n\t\t\t\t\tbytesPerElement: attribute.elementSize,\n\t\t\t\t\tversion: attribute.version\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\tconst data = buffers.get( attribute );\n\n\t\tif ( data === undefined ) {\n\n\t\t\tbuffers.set( attribute, createBuffer( attribute, bufferType ) );\n\n\t\t} else if ( data.version < attribute.version ) {\n\n\t\t\tupdateBuffer( data.buffer, attribute, bufferType );\n\n\t\t\tdata.version = attribute.version;\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\tget: get,\n\t\tremove: remove,\n\t\tupdate: update\n\n\t};\n\n}\n\nclass PlaneGeometry extends BufferGeometry {\n\n\tconstructor( width = 1, height = 1, widthSegments = 1, heightSegments = 1 ) {\n\n\t\tsuper();\n\t\tthis.type = 'PlaneGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tconst width_half = width / 2;\n\t\tconst height_half = height / 2;\n\n\t\tconst gridX = Math.floor( widthSegments );\n\t\tconst gridY = Math.floor( heightSegments );\n\n\t\tconst gridX1 = gridX + 1;\n\t\tconst gridY1 = gridY + 1;\n\n\t\tconst segment_width = width / gridX;\n\t\tconst segment_height = height / gridY;\n\n\t\t//\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\tfor ( let iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\tconst y = iy * segment_height - height_half;\n\n\t\t\tfor ( let ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\tconst x = ix * segment_width - width_half;\n\n\t\t\t\tvertices.push( x, - y, 0 );\n\n\t\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t\tuvs.push( ix / gridX );\n\t\t\t\tuvs.push( 1 - ( iy / gridY ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfor ( let iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\tfor ( let ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\tconst a = ix + gridX1 * iy;\n\t\t\t\tconst b = ix + gridX1 * ( iy + 1 );\n\t\t\t\tconst c = ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\tconst d = ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new PlaneGeometry( data.width, data.height, data.widthSegments, data.heightSegments );\n\n\t}\n\n}\n\nvar alphamap_fragment = \"#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\\n#endif\";\n\nvar alphamap_pars_fragment = \"#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\";\n\nvar alphatest_fragment = \"#ifdef USE_ALPHATEST\\n\\tif ( diffuseColor.a < alphaTest ) discard;\\n#endif\";\n\nvar alphatest_pars_fragment = \"#ifdef USE_ALPHATEST\\n\\tuniform float alphaTest;\\n#endif\";\n\nvar aomap_fragment = \"#ifdef USE_AOMAP\\n\\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\\n\\treflectedLight.indirectDiffuse *= ambientOcclusion;\\n\\t#if defined( USE_ENVMAP ) && defined( STANDARD )\\n\\t\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\t\\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\\n\\t#endif\\n#endif\";\n\nvar aomap_pars_fragment = \"#ifdef USE_AOMAP\\n\\tuniform sampler2D aoMap;\\n\\tuniform float aoMapIntensity;\\n#endif\";\n\nvar begin_vertex = \"vec3 transformed = vec3( position );\";\n\nvar beginnormal_vertex = \"vec3 objectNormal = vec3( normal );\\n#ifdef USE_TANGENT\\n\\tvec3 objectTangent = vec3( tangent.xyz );\\n#endif\";\n\nvar bsdfs = \"vec3 BRDF_Lambert( const in vec3 diffuseColor ) {\\n\\treturn RECIPROCAL_PI * diffuseColor;\\n}\\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\\n\\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\\n\\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\\n}\\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\treturn 0.5 / max( gv + gl, EPSILON );\\n}\\nfloat D_GGX( const in float alpha, const in float dotNH ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\\n\\treturn RECIPROCAL_PI * a2 / pow2( denom );\\n}\\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 f0, const in float f90, const in float roughness ) {\\n\\tfloat alpha = pow2( roughness );\\n\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\tfloat dotNL = saturate( dot( normal, lightDir ) );\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\\n\\tvec3 F = F_Schlick( f0, f90, dotVH );\\n\\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\\n\\tfloat D = D_GGX( alpha, dotNH );\\n\\treturn F * ( V * D );\\n}\\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\\n\\tconst float LUT_SIZE = 64.0;\\n\\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\\n\\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\\n\\tfloat dotNV = saturate( dot( N, V ) );\\n\\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\\n\\tuv = uv * LUT_SCALE + LUT_BIAS;\\n\\treturn uv;\\n}\\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\\n\\tfloat l = length( f );\\n\\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\\n}\\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\\n\\tfloat x = dot( v1, v2 );\\n\\tfloat y = abs( x );\\n\\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\\n\\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\\n\\tfloat v = a / b;\\n\\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\\n\\treturn cross( v1, v2 ) * theta_sintheta;\\n}\\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\\n\\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\\n\\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\\n\\tvec3 lightNormal = cross( v1, v2 );\\n\\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\\n\\tvec3 T1, T2;\\n\\tT1 = normalize( V - N * dot( V, N ) );\\n\\tT2 = - cross( N, T1 );\\n\\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\\n\\tvec3 coords[ 4 ];\\n\\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\\n\\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\\n\\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\\n\\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\\n\\tcoords[ 0 ] = normalize( coords[ 0 ] );\\n\\tcoords[ 1 ] = normalize( coords[ 1 ] );\\n\\tcoords[ 2 ] = normalize( coords[ 2 ] );\\n\\tcoords[ 3 ] = normalize( coords[ 3 ] );\\n\\tvec3 vectorFormFactor = vec3( 0.0 );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\\n\\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\\n\\treturn vec3( result );\\n}\\nfloat G_BlinnPhong_Implicit( ) {\\n\\treturn 0.25;\\n}\\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\\n\\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\\n}\\nvec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\\n\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, 1.0, dotVH );\\n\\tfloat G = G_BlinnPhong_Implicit( );\\n\\tfloat D = D_BlinnPhong( shininess, dotNH );\\n\\treturn F * ( G * D );\\n}\\n#if defined( USE_SHEEN )\\nfloat D_Charlie( float roughness, float dotNH ) {\\n\\tfloat alpha = pow2( roughness );\\n\\tfloat invAlpha = 1.0 / alpha;\\n\\tfloat cos2h = dotNH * dotNH;\\n\\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\\n\\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\\n}\\nfloat V_Neubelt( float dotNV, float dotNL ) {\\n\\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\\n}\\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\\n\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\tfloat dotNL = saturate( dot( normal, lightDir ) );\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat D = D_Charlie( sheenRoughness, dotNH );\\n\\tfloat V = V_Neubelt( dotNV, dotNL );\\n\\treturn sheenColor * ( D * V );\\n}\\n#endif\";\n\nvar bumpmap_pars_fragment = \"#ifdef USE_BUMPMAP\\n\\tuniform sampler2D bumpMap;\\n\\tuniform float bumpScale;\\n\\tvec2 dHdxy_fwd() {\\n\\t\\tvec2 dSTdx = dFdx( vUv );\\n\\t\\tvec2 dSTdy = dFdy( vUv );\\n\\t\\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\\n\\t\\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\\n\\t\\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\\n\\t\\treturn vec2( dBx, dBy );\\n\\t}\\n\\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\\n\\t\\tvec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );\\n\\t\\tvec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );\\n\\t\\tvec3 vN = surf_norm;\\n\\t\\tvec3 R1 = cross( vSigmaY, vN );\\n\\t\\tvec3 R2 = cross( vN, vSigmaX );\\n\\t\\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\\n\\t\\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\\n\\t\\treturn normalize( abs( fDet ) * surf_norm - vGrad );\\n\\t}\\n#endif\";\n\nvar clipping_planes_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvec4 plane;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\\n\\t\\tplane = clippingPlanes[ i ];\\n\\t\\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\\n\\t\\tbool clipped = true;\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\\n\\t\\t\\tplane = clippingPlanes[ i ];\\n\\t\\t\\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t\\tif ( clipped ) discard;\\n\\t#endif\\n#endif\";\n\nvar clipping_planes_pars_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvarying vec3 vClipPosition;\\n\\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\\n#endif\";\n\nvar clipping_planes_pars_vertex = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvarying vec3 vClipPosition;\\n#endif\";\n\nvar clipping_planes_vertex = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvClipPosition = - mvPosition.xyz;\\n#endif\";\n\nvar color_fragment = \"#if defined( USE_COLOR_ALPHA )\\n\\tdiffuseColor *= vColor;\\n#elif defined( USE_COLOR )\\n\\tdiffuseColor.rgb *= vColor;\\n#endif\";\n\nvar color_pars_fragment = \"#if defined( USE_COLOR_ALPHA )\\n\\tvarying vec4 vColor;\\n#elif defined( USE_COLOR )\\n\\tvarying vec3 vColor;\\n#endif\";\n\nvar color_pars_vertex = \"#if defined( USE_COLOR_ALPHA )\\n\\tvarying vec4 vColor;\\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\\n\\tvarying vec3 vColor;\\n#endif\";\n\nvar color_vertex = \"#if defined( USE_COLOR_ALPHA )\\n\\tvColor = vec4( 1.0 );\\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\\n\\tvColor = vec3( 1.0 );\\n#endif\\n#ifdef USE_COLOR\\n\\tvColor *= color;\\n#endif\\n#ifdef USE_INSTANCING_COLOR\\n\\tvColor.xyz *= instanceColor.xyz;\\n#endif\";\n\nvar common = \"#define PI 3.141592653589793\\n#define PI2 6.283185307179586\\n#define PI_HALF 1.5707963267948966\\n#define RECIPROCAL_PI 0.3183098861837907\\n#define RECIPROCAL_PI2 0.15915494309189535\\n#define EPSILON 1e-6\\n#ifndef saturate\\n#define saturate( a ) clamp( a, 0.0, 1.0 )\\n#endif\\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\\nfloat pow2( const in float x ) { return x*x; }\\nfloat pow3( const in float x ) { return x*x*x; }\\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\\nhighp float rand( const in vec2 uv ) {\\n\\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\\n\\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\\n\\treturn fract( sin( sn ) * c );\\n}\\n#ifdef HIGH_PRECISION\\n\\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\\n#else\\n\\tfloat precisionSafeLength( vec3 v ) {\\n\\t\\tfloat maxComponent = max3( abs( v ) );\\n\\t\\treturn length( v / maxComponent ) * maxComponent;\\n\\t}\\n#endif\\nstruct IncidentLight {\\n\\tvec3 color;\\n\\tvec3 direction;\\n\\tbool visible;\\n};\\nstruct ReflectedLight {\\n\\tvec3 directDiffuse;\\n\\tvec3 directSpecular;\\n\\tvec3 indirectDiffuse;\\n\\tvec3 indirectSpecular;\\n};\\nstruct GeometricContext {\\n\\tvec3 position;\\n\\tvec3 normal;\\n\\tvec3 viewDir;\\n#ifdef USE_CLEARCOAT\\n\\tvec3 clearcoatNormal;\\n#endif\\n};\\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\\n}\\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\\n}\\nmat3 transposeMat3( const in mat3 m ) {\\n\\tmat3 tmp;\\n\\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\\n\\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\\n\\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\\n\\treturn tmp;\\n}\\nfloat linearToRelativeLuminance( const in vec3 color ) {\\n\\tvec3 weights = vec3( 0.2126, 0.7152, 0.0722 );\\n\\treturn dot( weights, color.rgb );\\n}\\nbool isPerspectiveMatrix( mat4 m ) {\\n\\treturn m[ 2 ][ 3 ] == - 1.0;\\n}\\nvec2 equirectUv( in vec3 dir ) {\\n\\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\\n\\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\\n\\treturn vec2( u, v );\\n}\";\n\nvar cube_uv_reflection_fragment = \"#ifdef ENVMAP_TYPE_CUBE_UV\\n\\t#define cubeUV_maxMipLevel 8.0\\n\\t#define cubeUV_minMipLevel 4.0\\n\\t#define cubeUV_maxTileSize 256.0\\n\\t#define cubeUV_minTileSize 16.0\\n\\tfloat getFace( vec3 direction ) {\\n\\t\\tvec3 absDirection = abs( direction );\\n\\t\\tfloat face = - 1.0;\\n\\t\\tif ( absDirection.x > absDirection.z ) {\\n\\t\\t\\tif ( absDirection.x > absDirection.y )\\n\\t\\t\\t\\tface = direction.x > 0.0 ? 0.0 : 3.0;\\n\\t\\t\\telse\\n\\t\\t\\t\\tface = direction.y > 0.0 ? 1.0 : 4.0;\\n\\t\\t} else {\\n\\t\\t\\tif ( absDirection.z > absDirection.y )\\n\\t\\t\\t\\tface = direction.z > 0.0 ? 2.0 : 5.0;\\n\\t\\t\\telse\\n\\t\\t\\t\\tface = direction.y > 0.0 ? 1.0 : 4.0;\\n\\t\\t}\\n\\t\\treturn face;\\n\\t}\\n\\tvec2 getUV( vec3 direction, float face ) {\\n\\t\\tvec2 uv;\\n\\t\\tif ( face == 0.0 ) {\\n\\t\\t\\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\\n\\t\\t} else if ( face == 1.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\\n\\t\\t} else if ( face == 2.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\\n\\t\\t} else if ( face == 3.0 ) {\\n\\t\\t\\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\\n\\t\\t} else if ( face == 4.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\\n\\t\\t} else {\\n\\t\\t\\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\\n\\t\\t}\\n\\t\\treturn 0.5 * ( uv + 1.0 );\\n\\t}\\n\\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\\n\\t\\tfloat face = getFace( direction );\\n\\t\\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\\n\\t\\tmipInt = max( mipInt, cubeUV_minMipLevel );\\n\\t\\tfloat faceSize = exp2( mipInt );\\n\\t\\tfloat texelSize = 1.0 / ( 3.0 * cubeUV_maxTileSize );\\n\\t\\tvec2 uv = getUV( direction, face ) * ( faceSize - 1.0 );\\n\\t\\tvec2 f = fract( uv );\\n\\t\\tuv += 0.5 - f;\\n\\t\\tif ( face > 2.0 ) {\\n\\t\\t\\tuv.y += faceSize;\\n\\t\\t\\tface -= 3.0;\\n\\t\\t}\\n\\t\\tuv.x += face * faceSize;\\n\\t\\tif ( mipInt < cubeUV_maxMipLevel ) {\\n\\t\\t\\tuv.y += 2.0 * cubeUV_maxTileSize;\\n\\t\\t}\\n\\t\\tuv.y += filterInt * 2.0 * cubeUV_minTileSize;\\n\\t\\tuv.x += 3.0 * max( 0.0, cubeUV_maxTileSize - 2.0 * faceSize );\\n\\t\\tuv *= texelSize;\\n\\t\\tvec3 tl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\\n\\t\\tuv.x += texelSize;\\n\\t\\tvec3 tr = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\\n\\t\\tuv.y += texelSize;\\n\\t\\tvec3 br = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\\n\\t\\tuv.x -= texelSize;\\n\\t\\tvec3 bl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\\n\\t\\tvec3 tm = mix( tl, tr, f.x );\\n\\t\\tvec3 bm = mix( bl, br, f.x );\\n\\t\\treturn mix( tm, bm, f.y );\\n\\t}\\n\\t#define r0 1.0\\n\\t#define v0 0.339\\n\\t#define m0 - 2.0\\n\\t#define r1 0.8\\n\\t#define v1 0.276\\n\\t#define m1 - 1.0\\n\\t#define r4 0.4\\n\\t#define v4 0.046\\n\\t#define m4 2.0\\n\\t#define r5 0.305\\n\\t#define v5 0.016\\n\\t#define m5 3.0\\n\\t#define r6 0.21\\n\\t#define v6 0.0038\\n\\t#define m6 4.0\\n\\tfloat roughnessToMip( float roughness ) {\\n\\t\\tfloat mip = 0.0;\\n\\t\\tif ( roughness >= r1 ) {\\n\\t\\t\\tmip = ( r0 - roughness ) * ( m1 - m0 ) / ( r0 - r1 ) + m0;\\n\\t\\t} else if ( roughness >= r4 ) {\\n\\t\\t\\tmip = ( r1 - roughness ) * ( m4 - m1 ) / ( r1 - r4 ) + m1;\\n\\t\\t} else if ( roughness >= r5 ) {\\n\\t\\t\\tmip = ( r4 - roughness ) * ( m5 - m4 ) / ( r4 - r5 ) + m4;\\n\\t\\t} else if ( roughness >= r6 ) {\\n\\t\\t\\tmip = ( r5 - roughness ) * ( m6 - m5 ) / ( r5 - r6 ) + m5;\\n\\t\\t} else {\\n\\t\\t\\tmip = - 2.0 * log2( 1.16 * roughness );\\t\\t}\\n\\t\\treturn mip;\\n\\t}\\n\\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\\n\\t\\tfloat mip = clamp( roughnessToMip( roughness ), m0, cubeUV_maxMipLevel );\\n\\t\\tfloat mipF = fract( mip );\\n\\t\\tfloat mipInt = floor( mip );\\n\\t\\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\\n\\t\\tif ( mipF == 0.0 ) {\\n\\t\\t\\treturn vec4( color0, 1.0 );\\n\\t\\t} else {\\n\\t\\t\\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\\n\\t\\t\\treturn vec4( mix( color0, color1, mipF ), 1.0 );\\n\\t\\t}\\n\\t}\\n#endif\";\n\nvar defaultnormal_vertex = \"vec3 transformedNormal = objectNormal;\\n#ifdef USE_INSTANCING\\n\\tmat3 m = mat3( instanceMatrix );\\n\\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\\n\\ttransformedNormal = m * transformedNormal;\\n#endif\\ntransformedNormal = normalMatrix * transformedNormal;\\n#ifdef FLIP_SIDED\\n\\ttransformedNormal = - transformedNormal;\\n#endif\\n#ifdef USE_TANGENT\\n\\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\\n\\t#ifdef FLIP_SIDED\\n\\t\\ttransformedTangent = - transformedTangent;\\n\\t#endif\\n#endif\";\n\nvar displacementmap_pars_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\tuniform sampler2D displacementMap;\\n\\tuniform float displacementScale;\\n\\tuniform float displacementBias;\\n#endif\";\n\nvar displacementmap_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );\\n#endif\";\n\nvar emissivemap_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\\n\\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\\n\\ttotalEmissiveRadiance *= emissiveColor.rgb;\\n#endif\";\n\nvar emissivemap_pars_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tuniform sampler2D emissiveMap;\\n#endif\";\n\nvar encodings_fragment = \"gl_FragColor = linearToOutputTexel( gl_FragColor );\";\n\nvar encodings_pars_fragment = \"\\nvec4 LinearToLinear( in vec4 value ) {\\n\\treturn value;\\n}\\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\\n\\treturn vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a );\\n}\\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\\n\\treturn vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a );\\n}\\nvec4 sRGBToLinear( in vec4 value ) {\\n\\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\\n}\\nvec4 LinearTosRGB( in vec4 value ) {\\n\\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\\n}\\nvec4 RGBEToLinear( in vec4 value ) {\\n\\treturn vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\\n}\\nvec4 LinearToRGBE( in vec4 value ) {\\n\\tfloat maxComponent = max( max( value.r, value.g ), value.b );\\n\\tfloat fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\\n\\treturn vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\\n}\\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\\n\\treturn vec4( value.rgb * value.a * maxRange, 1.0 );\\n}\\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\\n\\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\\n\\tfloat M = clamp( maxRGB / maxRange, 0.0, 1.0 );\\n\\tM = ceil( M * 255.0 ) / 255.0;\\n\\treturn vec4( value.rgb / ( M * maxRange ), M );\\n}\\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\\n\\treturn vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\\n}\\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\\n\\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\\n\\tfloat D = max( maxRange / maxRGB, 1.0 );\\n\\tD = clamp( floor( D ) / 255.0, 0.0, 1.0 );\\n\\treturn vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\\n}\";\n\nvar envmap_fragment = \"#ifdef USE_ENVMAP\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvec3 cameraToFrag;\\n\\t\\tif ( isOrthographic ) {\\n\\t\\t\\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\\n\\t\\t} else {\\n\\t\\t\\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\\n\\t\\t}\\n\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#else\\n\\t\\tvec3 reflectVec = vReflect;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\\n\\t\\tenvColor = envMapTexelToLinear( envColor );\\n\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\tvec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 );\\n\\t#else\\n\\t\\tvec4 envColor = vec4( 0.0 );\\n\\t#endif\\n\\t#ifdef ENVMAP_BLENDING_MULTIPLY\\n\\t\\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_MIX )\\n\\t\\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_ADD )\\n\\t\\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\\n\\t#endif\\n#endif\";\n\nvar envmap_common_pars_fragment = \"#ifdef USE_ENVMAP\\n\\tuniform float envMapIntensity;\\n\\tuniform float flipEnvMap;\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tuniform samplerCube envMap;\\n\\t#else\\n\\t\\tuniform sampler2D envMap;\\n\\t#endif\\n\\t\\n#endif\";\n\nvar envmap_pars_fragment = \"#ifdef USE_ENVMAP\\n\\tuniform float reflectivity;\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\t#define ENV_WORLDPOS\\n\\t#endif\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t\\tuniform float refractionRatio;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t#endif\\n#endif\";\n\nvar envmap_pars_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG )\\n\\t\\t#define ENV_WORLDPOS\\n\\t#endif\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\t\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t\\tuniform float refractionRatio;\\n\\t#endif\\n#endif\";\n\nvar envmap_vertex = \"#ifdef USE_ENVMAP\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvWorldPosition = worldPosition.xyz;\\n\\t#else\\n\\t\\tvec3 cameraToVertex;\\n\\t\\tif ( isOrthographic ) {\\n\\t\\t\\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\\n\\t\\t} else {\\n\\t\\t\\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\\n\\t\\t}\\n\\t\\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvReflect = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#endif\\n#endif\";\n\nvar fog_vertex = \"#ifdef USE_FOG\\n\\tvFogDepth = - mvPosition.z;\\n#endif\";\n\nvar fog_pars_vertex = \"#ifdef USE_FOG\\n\\tvarying float vFogDepth;\\n#endif\";\n\nvar fog_fragment = \"#ifdef USE_FOG\\n\\t#ifdef FOG_EXP2\\n\\t\\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\\n\\t#else\\n\\t\\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\\n\\t#endif\\n\\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\\n#endif\";\n\nvar fog_pars_fragment = \"#ifdef USE_FOG\\n\\tuniform vec3 fogColor;\\n\\tvarying float vFogDepth;\\n\\t#ifdef FOG_EXP2\\n\\t\\tuniform float fogDensity;\\n\\t#else\\n\\t\\tuniform float fogNear;\\n\\t\\tuniform float fogFar;\\n\\t#endif\\n#endif\";\n\nvar gradientmap_pars_fragment = \"#ifdef USE_GRADIENTMAP\\n\\tuniform sampler2D gradientMap;\\n#endif\\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\\n\\tfloat dotNL = dot( normal, lightDirection );\\n\\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\\n\\t#ifdef USE_GRADIENTMAP\\n\\t\\treturn texture2D( gradientMap, coord ).rgb;\\n\\t#else\\n\\t\\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\\n\\t#endif\\n}\";\n\nvar lightmap_fragment = \"#ifdef USE_LIGHTMAP\\n\\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\\n\\tvec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tlightMapIrradiance *= PI;\\n\\t#endif\\n\\treflectedLight.indirectDiffuse += lightMapIrradiance;\\n#endif\";\n\nvar lightmap_pars_fragment = \"#ifdef USE_LIGHTMAP\\n\\tuniform sampler2D lightMap;\\n\\tuniform float lightMapIntensity;\\n#endif\";\n\nvar lights_lambert_vertex = \"vec3 diffuse = vec3( 1.0 );\\nGeometricContext geometry;\\ngeometry.position = mvPosition.xyz;\\ngeometry.normal = normalize( transformedNormal );\\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz );\\nGeometricContext backGeometry;\\nbackGeometry.position = geometry.position;\\nbackGeometry.normal = -geometry.normal;\\nbackGeometry.viewDir = geometry.viewDir;\\nvLightFront = vec3( 0.0 );\\nvIndirectFront = vec3( 0.0 );\\n#ifdef DOUBLE_SIDED\\n\\tvLightBack = vec3( 0.0 );\\n\\tvIndirectBack = vec3( 0.0 );\\n#endif\\nIncidentLight directLight;\\nfloat dotNL;\\nvec3 directLightColor_Diffuse;\\nvIndirectFront += getAmbientLightIrradiance( ambientLightColor );\\nvIndirectFront += getLightProbeIrradiance( lightProbe, geometry.normal );\\n#ifdef DOUBLE_SIDED\\n\\tvIndirectBack += getAmbientLightIrradiance( ambientLightColor );\\n\\tvIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry.normal );\\n#endif\\n#if NUM_POINT_LIGHTS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tgetPointLightInfo( pointLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tgetSpotLightInfo( spotLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if NUM_DIR_LIGHTS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tgetDirectionalLightInfo( directionalLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\tvIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal );\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry.normal );\\n\\t\\t#endif\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\";\n\nvar lights_pars_begin = \"uniform bool receiveShadow;\\nuniform vec3 ambientLightColor;\\nuniform vec3 lightProbe[ 9 ];\\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\\n\\tfloat x = normal.x, y = normal.y, z = normal.z;\\n\\tvec3 result = shCoefficients[ 0 ] * 0.886227;\\n\\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\\n\\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\\n\\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\\n\\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\\n\\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\\n\\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\\n\\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\\n\\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\\n\\treturn result;\\n}\\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\\n\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\\n\\treturn irradiance;\\n}\\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\\n\\tvec3 irradiance = ambientLightColor;\\n\\treturn irradiance;\\n}\\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\\n\\t#if defined ( PHYSICALLY_CORRECT_LIGHTS )\\n\\t\\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\\n\\t\\tif ( cutoffDistance > 0.0 ) {\\n\\t\\t\\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\\n\\t\\t}\\n\\t\\treturn distanceFalloff;\\n\\t#else\\n\\t\\tif ( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\\n\\t\\t\\treturn pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent );\\n\\t\\t}\\n\\t\\treturn 1.0;\\n\\t#endif\\n}\\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\\n\\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\\n}\\n#if NUM_DIR_LIGHTS > 0\\n\\tstruct DirectionalLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t};\\n\\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\\n\\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight light ) {\\n\\t\\tlight.color = directionalLight.color;\\n\\t\\tlight.direction = directionalLight.direction;\\n\\t\\tlight.visible = true;\\n\\t}\\n#endif\\n#if NUM_POINT_LIGHTS > 0\\n\\tstruct PointLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t};\\n\\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\\n\\tvoid getPointLightInfo( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight light ) {\\n\\t\\tvec3 lVector = pointLight.position - geometry.position;\\n\\t\\tlight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tlight.color = pointLight.color;\\n\\t\\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\\n\\t\\tlight.visible = ( light.color != vec3( 0.0 ) );\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tstruct SpotLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tfloat coneCos;\\n\\t\\tfloat penumbraCos;\\n\\t};\\n\\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\\n\\tvoid getSpotLightInfo( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight light ) {\\n\\t\\tvec3 lVector = spotLight.position - geometry.position;\\n\\t\\tlight.direction = normalize( lVector );\\n\\t\\tfloat angleCos = dot( light.direction, spotLight.direction );\\n\\t\\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\\n\\t\\tif ( spotAttenuation > 0.0 ) {\\n\\t\\t\\tfloat lightDistance = length( lVector );\\n\\t\\t\\tlight.color = spotLight.color * spotAttenuation;\\n\\t\\t\\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\\n\\t\\t\\tlight.visible = ( light.color != vec3( 0.0 ) );\\n\\t\\t} else {\\n\\t\\t\\tlight.color = vec3( 0.0 );\\n\\t\\t\\tlight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_RECT_AREA_LIGHTS > 0\\n\\tstruct RectAreaLight {\\n\\t\\tvec3 color;\\n\\t\\tvec3 position;\\n\\t\\tvec3 halfWidth;\\n\\t\\tvec3 halfHeight;\\n\\t};\\n\\tuniform sampler2D ltc_1;\\tuniform sampler2D ltc_2;\\n\\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tstruct HemisphereLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 skyColor;\\n\\t\\tvec3 groundColor;\\n\\t};\\n\\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\\n\\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\\n\\t\\tfloat dotNL = dot( normal, hemiLight.direction );\\n\\t\\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\\n\\t\\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\\n\\t\\treturn irradiance;\\n\\t}\\n#endif\";\n\nvar envmap_physical_pars_fragment = \"#if defined( USE_ENVMAP )\\n\\t#ifdef ENVMAP_MODE_REFRACTION\\n\\t\\tuniform float refractionRatio;\\n\\t#endif\\n\\tvec3 getIBLIrradiance( const in vec3 normal ) {\\n\\t\\t#if defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\\n\\t\\t\\treturn PI * envMapColor.rgb * envMapIntensity;\\n\\t\\t#else\\n\\t\\t\\treturn vec3( 0.0 );\\n\\t\\t#endif\\n\\t}\\n\\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\\n\\t\\t#if defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 reflectVec;\\n\\t\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\t\\treflectVec = reflect( - viewDir, normal );\\n\\t\\t\\t\\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\\n\\t\\t\\t#else\\n\\t\\t\\t\\treflectVec = refract( - viewDir, normal, refractionRatio );\\n\\t\\t\\t#endif\\n\\t\\t\\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\\n\\t\\t\\treturn envMapColor.rgb * envMapIntensity;\\n\\t\\t#else\\n\\t\\t\\treturn vec3( 0.0 );\\n\\t\\t#endif\\n\\t}\\n#endif\";\n\nvar lights_toon_fragment = \"ToonMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\";\n\nvar lights_toon_pars_fragment = \"varying vec3 vViewPosition;\\nstruct ToonMaterial {\\n\\tvec3 diffuseColor;\\n};\\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Toon\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Toon\\n#define Material_LightProbeLOD( material )\\t(0)\";\n\nvar lights_phong_fragment = \"BlinnPhongMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\\nmaterial.specularColor = specular;\\nmaterial.specularShininess = shininess;\\nmaterial.specularStrength = specularStrength;\";\n\nvar lights_phong_pars_fragment = \"varying vec3 vViewPosition;\\nstruct BlinnPhongMaterial {\\n\\tvec3 diffuseColor;\\n\\tvec3 specularColor;\\n\\tfloat specularShininess;\\n\\tfloat specularStrength;\\n};\\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n\\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularShininess ) * material.specularStrength;\\n}\\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_BlinnPhong\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_BlinnPhong\\n#define Material_LightProbeLOD( material )\\t(0)\";\n\nvar lights_physical_fragment = \"PhysicalMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\\nmaterial.roughness = min( material.roughness, 1.0 );\\n#ifdef IOR\\n\\t#ifdef SPECULAR\\n\\t\\tfloat specularIntensityFactor = specularIntensity;\\n\\t\\tvec3 specularColorFactor = specularColor;\\n\\t\\t#ifdef USE_SPECULARINTENSITYMAP\\n\\t\\t\\tspecularIntensityFactor *= texture2D( specularIntensityMap, vUv ).a;\\n\\t\\t#endif\\n\\t\\t#ifdef USE_SPECULARCOLORMAP\\n\\t\\t\\tspecularColorFactor *= specularColorMapTexelToLinear( texture2D( specularColorMap, vUv ) ).rgb;\\n\\t\\t#endif\\n\\t\\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\\n\\t#else\\n\\t\\tfloat specularIntensityFactor = 1.0;\\n\\t\\tvec3 specularColorFactor = vec3( 1.0 );\\n\\t\\tmaterial.specularF90 = 1.0;\\n\\t#endif\\n\\tmaterial.specularColor = mix( min( pow2( ( ior - 1.0 ) / ( ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\\n#else\\n\\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\\n\\tmaterial.specularF90 = 1.0;\\n#endif\\n#ifdef USE_CLEARCOAT\\n\\tmaterial.clearcoat = clearcoat;\\n\\tmaterial.clearcoatRoughness = clearcoatRoughness;\\n\\tmaterial.clearcoatF0 = vec3( 0.04 );\\n\\tmaterial.clearcoatF90 = 1.0;\\n\\t#ifdef USE_CLEARCOATMAP\\n\\t\\tmaterial.clearcoat *= texture2D( clearcoatMap, vUv ).x;\\n\\t#endif\\n\\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\t\\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y;\\n\\t#endif\\n\\tmaterial.clearcoat = saturate( material.clearcoat );\\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\\n\\tmaterial.clearcoatRoughness += geometryRoughness;\\n\\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\\n#endif\\n#ifdef USE_SHEEN\\n\\tmaterial.sheenColor = sheenColor;\\n\\t#ifdef USE_SHEENCOLORMAP\\n\\t\\tmaterial.sheenColor *= sheenColorMapTexelToLinear( texture2D( sheenColorMap, vUv ) ).rgb;\\n\\t#endif\\n\\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\\n\\t#ifdef USE_SHEENROUGHNESSMAP\\n\\t\\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vUv ).a;\\n\\t#endif\\n#endif\";\n\nvar lights_physical_pars_fragment = \"struct PhysicalMaterial {\\n\\tvec3 diffuseColor;\\n\\tfloat roughness;\\n\\tvec3 specularColor;\\n\\tfloat specularF90;\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat clearcoat;\\n\\t\\tfloat clearcoatRoughness;\\n\\t\\tvec3 clearcoatF0;\\n\\t\\tfloat clearcoatF90;\\n\\t#endif\\n\\t#ifdef USE_SHEEN\\n\\t\\tvec3 sheenColor;\\n\\t\\tfloat sheenRoughness;\\n\\t#endif\\n};\\nvec3 clearcoatSpecular = vec3( 0.0 );\\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\\n\\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\\n\\tvec4 r = roughness * c0 + c1;\\n\\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\\n\\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\\n\\treturn fab;\\n}\\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\\n\\tvec2 fab = DFGApprox( normal, viewDir, roughness );\\n\\treturn specularColor * fab.x + specularF90 * fab.y;\\n}\\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\\n\\tvec2 fab = DFGApprox( normal, viewDir, roughness );\\n\\tvec3 FssEss = specularColor * fab.x + specularF90 * fab.y;\\n\\tfloat Ess = fab.x + fab.y;\\n\\tfloat Ems = 1.0 - Ess;\\n\\tvec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619;\\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\\n\\tsingleScatter += FssEss;\\n\\tmultiScatter += Fms * Ems;\\n}\\n#if NUM_RECT_AREA_LIGHTS > 0\\n\\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\t\\tvec3 normal = geometry.normal;\\n\\t\\tvec3 viewDir = geometry.viewDir;\\n\\t\\tvec3 position = geometry.position;\\n\\t\\tvec3 lightPos = rectAreaLight.position;\\n\\t\\tvec3 halfWidth = rectAreaLight.halfWidth;\\n\\t\\tvec3 halfHeight = rectAreaLight.halfHeight;\\n\\t\\tvec3 lightColor = rectAreaLight.color;\\n\\t\\tfloat roughness = material.roughness;\\n\\t\\tvec3 rectCoords[ 4 ];\\n\\t\\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\\t\\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\\n\\t\\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\\n\\t\\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\\n\\t\\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\\n\\t\\tvec4 t1 = texture2D( ltc_1, uv );\\n\\t\\tvec4 t2 = texture2D( ltc_2, uv );\\n\\t\\tmat3 mInv = mat3(\\n\\t\\t\\tvec3( t1.x, 0, t1.y ),\\n\\t\\t\\tvec3( 0, 1, 0 ),\\n\\t\\t\\tvec3( t1.z, 0, t1.w )\\n\\t\\t);\\n\\t\\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\\n\\t\\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\\n\\t\\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\\n\\t}\\n#endif\\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat dotNLcc = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\\n\\t\\tvec3 ccIrradiance = dotNLcc * directLight.color;\\n\\t\\tclearcoatSpecular += ccIrradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.clearcoatNormal, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\\n\\t#endif\\n\\t#ifdef USE_SHEEN\\n\\t\\treflectedLight.directSpecular += irradiance * BRDF_Sheen( directLight.direction, geometry.viewDir, geometry.normal, material.sheenColor, material.sheenRoughness );\\n\\t#endif\\n\\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.roughness );\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tclearcoatSpecular += clearcoatRadiance * EnvironmentBRDF( geometry.clearcoatNormal, geometry.viewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\\n\\t#endif\\n\\tvec3 singleScattering = vec3( 0.0 );\\n\\tvec3 multiScattering = vec3( 0.0 );\\n\\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\\n\\tcomputeMultiscattering( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\\n\\tvec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) );\\n\\treflectedLight.indirectSpecular += radiance * singleScattering;\\n\\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\\n\\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Physical\\n#define RE_Direct_RectArea\\t\\tRE_Direct_RectArea_Physical\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Physical\\n#define RE_IndirectSpecular\\t\\tRE_IndirectSpecular_Physical\\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\\n\\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\\n}\";\n\nvar lights_fragment_begin = \"\\nGeometricContext geometry;\\ngeometry.position = - vViewPosition;\\ngeometry.normal = normal;\\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\\n#ifdef USE_CLEARCOAT\\n\\tgeometry.clearcoatNormal = clearcoatNormal;\\n#endif\\nIncidentLight directLight;\\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tPointLight pointLight;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\\n\\tPointLightShadow pointLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tgetPointLightInfo( pointLight, geometry, directLight );\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\\n\\t\\tpointLightShadow = pointLightShadows[ i ];\\n\\t\\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tSpotLight spotLight;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\\n\\tSpotLightShadow spotLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tgetSpotLightInfo( spotLight, geometry, directLight );\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\\n\\t\\tspotLightShadow = spotLightShadows[ i ];\\n\\t\\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tDirectionalLight directionalLight;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\\n\\tDirectionalLightShadow directionalLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tgetDirectionalLightInfo( directionalLight, geometry, directLight );\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\\n\\t\\tdirectionalLightShadow = directionalLightShadows[ i ];\\n\\t\\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\\n\\tRectAreaLight rectAreaLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\\n\\t\\trectAreaLight = rectAreaLights[ i ];\\n\\t\\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if defined( RE_IndirectDiffuse )\\n\\tvec3 iblIrradiance = vec3( 0.0 );\\n\\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\\n\\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\\n\\t#if ( NUM_HEMI_LIGHTS > 0 )\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\t\\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal );\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t#endif\\n#endif\\n#if defined( RE_IndirectSpecular )\\n\\tvec3 radiance = vec3( 0.0 );\\n\\tvec3 clearcoatRadiance = vec3( 0.0 );\\n#endif\";\n\nvar lights_fragment_maps = \"#if defined( RE_IndirectDiffuse )\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\\n\\t\\tvec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\\n\\t\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\t\\tlightMapIrradiance *= PI;\\n\\t\\t#endif\\n\\t\\tirradiance += lightMapIrradiance;\\n\\t#endif\\n\\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\tiblIrradiance += getIBLIrradiance( geometry.normal );\\n\\t#endif\\n#endif\\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\\n\\tradiance += getIBLRadiance( geometry.viewDir, geometry.normal, material.roughness );\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tclearcoatRadiance += getIBLRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness );\\n\\t#endif\\n#endif\";\n\nvar lights_fragment_end = \"#if defined( RE_IndirectDiffuse )\\n\\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\\n#endif\\n#if defined( RE_IndirectSpecular )\\n\\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\\n#endif\";\n\nvar logdepthbuf_fragment = \"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\\n\\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\\n#endif\";\n\nvar logdepthbuf_pars_fragment = \"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\\n\\tuniform float logDepthBufFC;\\n\\tvarying float vFragDepth;\\n\\tvarying float vIsPerspective;\\n#endif\";\n\nvar logdepthbuf_pars_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvarying float vFragDepth;\\n\\t\\tvarying float vIsPerspective;\\n\\t#else\\n\\t\\tuniform float logDepthBufFC;\\n\\t#endif\\n#endif\";\n\nvar logdepthbuf_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvFragDepth = 1.0 + gl_Position.w;\\n\\t\\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\\n\\t#else\\n\\t\\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\\n\\t\\t\\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\\n\\t\\t\\tgl_Position.z *= gl_Position.w;\\n\\t\\t}\\n\\t#endif\\n#endif\";\n\nvar map_fragment = \"#ifdef USE_MAP\\n\\tvec4 texelColor = texture2D( map, vUv );\\n\\ttexelColor = mapTexelToLinear( texelColor );\\n\\tdiffuseColor *= texelColor;\\n#endif\";\n\nvar map_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\";\n\nvar map_particle_fragment = \"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\\n\\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\\n#endif\\n#ifdef USE_MAP\\n\\tvec4 mapTexel = texture2D( map, uv );\\n\\tdiffuseColor *= mapTexelToLinear( mapTexel );\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\\n#endif\";\n\nvar map_particle_pars_fragment = \"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\\n\\tuniform mat3 uvTransform;\\n#endif\\n#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\";\n\nvar metalnessmap_fragment = \"float metalnessFactor = metalness;\\n#ifdef USE_METALNESSMAP\\n\\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\\n\\tmetalnessFactor *= texelMetalness.b;\\n#endif\";\n\nvar metalnessmap_pars_fragment = \"#ifdef USE_METALNESSMAP\\n\\tuniform sampler2D metalnessMap;\\n#endif\";\n\nvar morphnormal_vertex = \"#ifdef USE_MORPHNORMALS\\n\\tobjectNormal *= morphTargetBaseInfluence;\\n\\t#ifdef MORPHTARGETS_TEXTURE\\n\\t\\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\\n\\t\\t\\tif ( morphTargetInfluences[ i ] > 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1, 2 ) * morphTargetInfluences[ i ];\\n\\t\\t}\\n\\t#else\\n\\t\\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\\n\\t\\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\\n\\t\\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\\n\\t\\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\\n\\t#endif\\n#endif\";\n\nvar morphtarget_pars_vertex = \"#ifdef USE_MORPHTARGETS\\n\\tuniform float morphTargetBaseInfluence;\\n\\t#ifdef MORPHTARGETS_TEXTURE\\n\\t\\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\\n\\t\\tuniform sampler2DArray morphTargetsTexture;\\n\\t\\tuniform vec2 morphTargetsTextureSize;\\n\\t\\tvec3 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset, const in int stride ) {\\n\\t\\t\\tfloat texelIndex = float( vertexIndex * stride + offset );\\n\\t\\t\\tfloat y = floor( texelIndex / morphTargetsTextureSize.x );\\n\\t\\t\\tfloat x = texelIndex - y * morphTargetsTextureSize.x;\\n\\t\\t\\tvec3 morphUV = vec3( ( x + 0.5 ) / morphTargetsTextureSize.x, y / morphTargetsTextureSize.y, morphTargetIndex );\\n\\t\\t\\treturn texture( morphTargetsTexture, morphUV ).xyz;\\n\\t\\t}\\n\\t#else\\n\\t\\t#ifndef USE_MORPHNORMALS\\n\\t\\t\\tuniform float morphTargetInfluences[ 8 ];\\n\\t\\t#else\\n\\t\\t\\tuniform float morphTargetInfluences[ 4 ];\\n\\t\\t#endif\\n\\t#endif\\n#endif\";\n\nvar morphtarget_vertex = \"#ifdef USE_MORPHTARGETS\\n\\ttransformed *= morphTargetBaseInfluence;\\n\\t#ifdef MORPHTARGETS_TEXTURE\\n\\t\\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\\n\\t\\t\\t#ifndef USE_MORPHNORMALS\\n\\t\\t\\t\\tif ( morphTargetInfluences[ i ] > 0.0 ) transformed += getMorph( gl_VertexID, i, 0, 1 ) * morphTargetInfluences[ i ];\\n\\t\\t\\t#else\\n\\t\\t\\t\\tif ( morphTargetInfluences[ i ] > 0.0 ) transformed += getMorph( gl_VertexID, i, 0, 2 ) * morphTargetInfluences[ i ];\\n\\t\\t\\t#endif\\n\\t\\t}\\n\\t#else\\n\\t\\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\\n\\t\\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\\n\\t\\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\\n\\t\\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\\n\\t\\t#ifndef USE_MORPHNORMALS\\n\\t\\t\\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\\n\\t\\t\\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\\n\\t\\t\\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\\n\\t\\t\\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\\n\\t\\t#endif\\n\\t#endif\\n#endif\";\n\nvar normal_fragment_begin = \"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\\n#ifdef FLAT_SHADED\\n\\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\\n\\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\\n\\tvec3 normal = normalize( cross( fdx, fdy ) );\\n#else\\n\\tvec3 normal = normalize( vNormal );\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\tnormal = normal * faceDirection;\\n\\t#endif\\n\\t#ifdef USE_TANGENT\\n\\t\\tvec3 tangent = normalize( vTangent );\\n\\t\\tvec3 bitangent = normalize( vBitangent );\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\ttangent = tangent * faceDirection;\\n\\t\\t\\tbitangent = bitangent * faceDirection;\\n\\t\\t#endif\\n\\t\\t#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\\n\\t\\t\\tmat3 vTBN = mat3( tangent, bitangent, normal );\\n\\t\\t#endif\\n\\t#endif\\n#endif\\nvec3 geometryNormal = normal;\";\n\nvar normal_fragment_maps = \"#ifdef OBJECTSPACE_NORMALMAP\\n\\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\\n\\t#ifdef FLIP_SIDED\\n\\t\\tnormal = - normal;\\n\\t#endif\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\tnormal = normal * faceDirection;\\n\\t#endif\\n\\tnormal = normalize( normalMatrix * normal );\\n#elif defined( TANGENTSPACE_NORMALMAP )\\n\\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\\n\\tmapN.xy *= normalScale;\\n\\t#ifdef USE_TANGENT\\n\\t\\tnormal = normalize( vTBN * mapN );\\n\\t#else\\n\\t\\tnormal = perturbNormal2Arb( - vViewPosition, normal, mapN, faceDirection );\\n\\t#endif\\n#elif defined( USE_BUMPMAP )\\n\\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\\n#endif\";\n\nvar normal_pars_fragment = \"#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\tvarying vec3 vTangent;\\n\\t\\tvarying vec3 vBitangent;\\n\\t#endif\\n#endif\";\n\nvar normal_pars_vertex = \"#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\tvarying vec3 vTangent;\\n\\t\\tvarying vec3 vBitangent;\\n\\t#endif\\n#endif\";\n\nvar normal_vertex = \"#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n\\t#ifdef USE_TANGENT\\n\\t\\tvTangent = normalize( transformedTangent );\\n\\t\\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\\n\\t#endif\\n#endif\";\n\nvar normalmap_pars_fragment = \"#ifdef USE_NORMALMAP\\n\\tuniform sampler2D normalMap;\\n\\tuniform vec2 normalScale;\\n#endif\\n#ifdef OBJECTSPACE_NORMALMAP\\n\\tuniform mat3 normalMatrix;\\n#endif\\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\\n\\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN, float faceDirection ) {\\n\\t\\tvec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );\\n\\t\\tvec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );\\n\\t\\tvec2 st0 = dFdx( vUv.st );\\n\\t\\tvec2 st1 = dFdy( vUv.st );\\n\\t\\tvec3 N = surf_norm;\\n\\t\\tvec3 q1perp = cross( q1, N );\\n\\t\\tvec3 q0perp = cross( N, q0 );\\n\\t\\tvec3 T = q1perp * st0.x + q0perp * st1.x;\\n\\t\\tvec3 B = q1perp * st0.y + q0perp * st1.y;\\n\\t\\tfloat det = max( dot( T, T ), dot( B, B ) );\\n\\t\\tfloat scale = ( det == 0.0 ) ? 0.0 : faceDirection * inversesqrt( det );\\n\\t\\treturn normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z );\\n\\t}\\n#endif\";\n\nvar clearcoat_normal_fragment_begin = \"#ifdef USE_CLEARCOAT\\n\\tvec3 clearcoatNormal = geometryNormal;\\n#endif\";\n\nvar clearcoat_normal_fragment_maps = \"#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\\n\\tclearcoatMapN.xy *= clearcoatNormalScale;\\n\\t#ifdef USE_TANGENT\\n\\t\\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\\n\\t#else\\n\\t\\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection );\\n\\t#endif\\n#endif\";\n\nvar clearcoat_pars_fragment = \"#ifdef USE_CLEARCOATMAP\\n\\tuniform sampler2D clearcoatMap;\\n#endif\\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\tuniform sampler2D clearcoatRoughnessMap;\\n#endif\\n#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tuniform sampler2D clearcoatNormalMap;\\n\\tuniform vec2 clearcoatNormalScale;\\n#endif\";\n\nvar output_fragment = \"#ifdef OPAQUE\\ndiffuseColor.a = 1.0;\\n#endif\\n#ifdef USE_TRANSMISSION\\ndiffuseColor.a *= transmissionAlpha + 0.1;\\n#endif\\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );\";\n\nvar packing = \"vec3 packNormalToRGB( const in vec3 normal ) {\\n\\treturn normalize( normal ) * 0.5 + 0.5;\\n}\\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\\n\\treturn 2.0 * rgb.xyz - 1.0;\\n}\\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\\nconst float ShiftRight8 = 1. / 256.;\\nvec4 packDepthToRGBA( const in float v ) {\\n\\tvec4 r = vec4( fract( v * PackFactors ), v );\\n\\tr.yzw -= r.xyz * ShiftRight8;\\treturn r * PackUpscale;\\n}\\nfloat unpackRGBAToDepth( const in vec4 v ) {\\n\\treturn dot( v, UnpackFactors );\\n}\\nvec4 pack2HalfToRGBA( vec2 v ) {\\n\\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\\n\\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\\n}\\nvec2 unpackRGBATo2Half( vec4 v ) {\\n\\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\\n}\\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\\n\\treturn ( viewZ + near ) / ( near - far );\\n}\\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\\n\\treturn linearClipZ * ( near - far ) - near;\\n}\\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\\n\\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\\n}\\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\\n\\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\\n}\";\n\nvar premultiplied_alpha_fragment = \"#ifdef PREMULTIPLIED_ALPHA\\n\\tgl_FragColor.rgb *= gl_FragColor.a;\\n#endif\";\n\nvar project_vertex = \"vec4 mvPosition = vec4( transformed, 1.0 );\\n#ifdef USE_INSTANCING\\n\\tmvPosition = instanceMatrix * mvPosition;\\n#endif\\nmvPosition = modelViewMatrix * mvPosition;\\ngl_Position = projectionMatrix * mvPosition;\";\n\nvar dithering_fragment = \"#ifdef DITHERING\\n\\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\\n#endif\";\n\nvar dithering_pars_fragment = \"#ifdef DITHERING\\n\\tvec3 dithering( vec3 color ) {\\n\\t\\tfloat grid_position = rand( gl_FragCoord.xy );\\n\\t\\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\\n\\t\\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\\n\\t\\treturn color + dither_shift_RGB;\\n\\t}\\n#endif\";\n\nvar roughnessmap_fragment = \"float roughnessFactor = roughness;\\n#ifdef USE_ROUGHNESSMAP\\n\\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\\n\\troughnessFactor *= texelRoughness.g;\\n#endif\";\n\nvar roughnessmap_pars_fragment = \"#ifdef USE_ROUGHNESSMAP\\n\\tuniform sampler2D roughnessMap;\\n#endif\";\n\nvar shadowmap_pars_fragment = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tstruct DirectionalLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tstruct SpotLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tstruct PointLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t\\tfloat shadowCameraNear;\\n\\t\\t\\tfloat shadowCameraFar;\\n\\t\\t};\\n\\t\\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\\n\\t\\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\\n\\t}\\n\\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\\n\\t\\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\\n\\t}\\n\\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\\n\\t\\tfloat occlusion = 1.0;\\n\\t\\tvec2 distribution = texture2DDistribution( shadow, uv );\\n\\t\\tfloat hard_shadow = step( compare , distribution.x );\\n\\t\\tif (hard_shadow != 1.0 ) {\\n\\t\\t\\tfloat distance = compare - distribution.x ;\\n\\t\\t\\tfloat variance = max( 0.00000, distribution.y * distribution.y );\\n\\t\\t\\tfloat softness_probability = variance / (variance + distance * distance );\\t\\t\\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\\t\\t\\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\\n\\t\\t}\\n\\t\\treturn occlusion;\\n\\t}\\n\\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tfloat shadow = 1.0;\\n\\t\\tshadowCoord.xyz /= shadowCoord.w;\\n\\t\\tshadowCoord.z += shadowBias;\\n\\t\\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\\n\\t\\tbool inFrustum = all( inFrustumVec );\\n\\t\\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\\n\\t\\tbool frustumTest = all( frustumTestVec );\\n\\t\\tif ( frustumTest ) {\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx2 = dx0 / 2.0;\\n\\t\\t\\tfloat dy2 = dy0 / 2.0;\\n\\t\\t\\tfloat dx3 = dx1 / 2.0;\\n\\t\\t\\tfloat dy3 = dy1 / 2.0;\\n\\t\\t\\tshadow = (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 17.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx = texelSize.x;\\n\\t\\t\\tfloat dy = texelSize.y;\\n\\t\\t\\tvec2 uv = shadowCoord.xy;\\n\\t\\t\\tvec2 f = fract( uv * shadowMapSize + 0.5 );\\n\\t\\t\\tuv -= f * texelSize;\\n\\t\\t\\tshadow = (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.x ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.x ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.y ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.y ) +\\n\\t\\t\\t\\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t f.x ),\\n\\t\\t\\t\\t\\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t f.x ),\\n\\t\\t\\t\\t\\t f.y )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_VSM )\\n\\t\\t\\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#else\\n\\t\\t\\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#endif\\n\\t\\t}\\n\\t\\treturn shadow;\\n\\t}\\n\\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\\n\\t\\tvec3 absV = abs( v );\\n\\t\\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\\n\\t\\tabsV *= scaleToCube;\\n\\t\\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\\n\\t\\tvec2 planar = v.xy;\\n\\t\\tfloat almostATexel = 1.5 * texelSizeY;\\n\\t\\tfloat almostOne = 1.0 - almostATexel;\\n\\t\\tif ( absV.z >= almostOne ) {\\n\\t\\t\\tif ( v.z > 0.0 )\\n\\t\\t\\t\\tplanar.x = 4.0 - v.x;\\n\\t\\t} else if ( absV.x >= almostOne ) {\\n\\t\\t\\tfloat signX = sign( v.x );\\n\\t\\t\\tplanar.x = v.z * signX + 2.0 * signX;\\n\\t\\t} else if ( absV.y >= almostOne ) {\\n\\t\\t\\tfloat signY = sign( v.y );\\n\\t\\t\\tplanar.x = v.x + 2.0 * signY + 2.0;\\n\\t\\t\\tplanar.y = v.z * signY - 2.0;\\n\\t\\t}\\n\\t\\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\\n\\t}\\n\\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\\n\\t\\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\\n\\t\\tvec3 lightToPosition = shadowCoord.xyz;\\n\\t\\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\\t\\tdp += shadowBias;\\n\\t\\tvec3 bd3D = normalize( lightToPosition );\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\\n\\t\\t\\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#else\\n\\t\\t\\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\\n\\t\\t#endif\\n\\t}\\n#endif\";\n\nvar shadowmap_pars_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t\\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tstruct DirectionalLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\t\\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tstruct SpotLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tstruct PointLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t\\tfloat shadowCameraNear;\\n\\t\\t\\tfloat shadowCameraFar;\\n\\t\\t};\\n\\t\\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t#endif\\n#endif\";\n\nvar shadowmap_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\t\\tvec4 shadowWorldPosition;\\n\\t#endif\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\\n\\t\\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias, 0 );\\n\\t\\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * shadowWorldPosition;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\\n\\t\\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n#endif\";\n\nvar shadowmask_pars_fragment = \"float getShadowMask() {\\n\\tfloat shadow = 1.0;\\n\\t#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\tDirectionalLightShadow directionalLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\tSpotLightShadow spotLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tspotLight = spotLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\tPointLightShadow pointLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tpointLight = pointLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#endif\\n\\treturn shadow;\\n}\";\n\nvar skinbase_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\\n\\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\\n\\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\\n\\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\\n#endif\";\n\nvar skinning_pars_vertex = \"#ifdef USE_SKINNING\\n\\tuniform mat4 bindMatrix;\\n\\tuniform mat4 bindMatrixInverse;\\n\\t#ifdef BONE_TEXTURE\\n\\t\\tuniform highp sampler2D boneTexture;\\n\\t\\tuniform int boneTextureSize;\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tfloat j = i * 4.0;\\n\\t\\t\\tfloat x = mod( j, float( boneTextureSize ) );\\n\\t\\t\\tfloat y = floor( j / float( boneTextureSize ) );\\n\\t\\t\\tfloat dx = 1.0 / float( boneTextureSize );\\n\\t\\t\\tfloat dy = 1.0 / float( boneTextureSize );\\n\\t\\t\\ty = dy * ( y + 0.5 );\\n\\t\\t\\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\\n\\t\\t\\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\\n\\t\\t\\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\\n\\t\\t\\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\\n\\t\\t\\tmat4 bone = mat4( v1, v2, v3, v4 );\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#else\\n\\t\\tuniform mat4 boneMatrices[ MAX_BONES ];\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tmat4 bone = boneMatrices[ int(i) ];\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#endif\\n#endif\";\n\nvar skinning_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\\n\\tvec4 skinned = vec4( 0.0 );\\n\\tskinned += boneMatX * skinVertex * skinWeight.x;\\n\\tskinned += boneMatY * skinVertex * skinWeight.y;\\n\\tskinned += boneMatZ * skinVertex * skinWeight.z;\\n\\tskinned += boneMatW * skinVertex * skinWeight.w;\\n\\ttransformed = ( bindMatrixInverse * skinned ).xyz;\\n#endif\";\n\nvar skinnormal_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 skinMatrix = mat4( 0.0 );\\n\\tskinMatrix += skinWeight.x * boneMatX;\\n\\tskinMatrix += skinWeight.y * boneMatY;\\n\\tskinMatrix += skinWeight.z * boneMatZ;\\n\\tskinMatrix += skinWeight.w * boneMatW;\\n\\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\\n\\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\\n\\t#ifdef USE_TANGENT\\n\\t\\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\\n\\t#endif\\n#endif\";\n\nvar specularmap_fragment = \"float specularStrength;\\n#ifdef USE_SPECULARMAP\\n\\tvec4 texelSpecular = texture2D( specularMap, vUv );\\n\\tspecularStrength = texelSpecular.r;\\n#else\\n\\tspecularStrength = 1.0;\\n#endif\";\n\nvar specularmap_pars_fragment = \"#ifdef USE_SPECULARMAP\\n\\tuniform sampler2D specularMap;\\n#endif\";\n\nvar tonemapping_fragment = \"#if defined( TONE_MAPPING )\\n\\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\\n#endif\";\n\nvar tonemapping_pars_fragment = \"#ifndef saturate\\n#define saturate( a ) clamp( a, 0.0, 1.0 )\\n#endif\\nuniform float toneMappingExposure;\\nvec3 LinearToneMapping( vec3 color ) {\\n\\treturn toneMappingExposure * color;\\n}\\nvec3 ReinhardToneMapping( vec3 color ) {\\n\\tcolor *= toneMappingExposure;\\n\\treturn saturate( color / ( vec3( 1.0 ) + color ) );\\n}\\nvec3 OptimizedCineonToneMapping( vec3 color ) {\\n\\tcolor *= toneMappingExposure;\\n\\tcolor = max( vec3( 0.0 ), color - 0.004 );\\n\\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\\n}\\nvec3 RRTAndODTFit( vec3 v ) {\\n\\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\\n\\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\\n\\treturn a / b;\\n}\\nvec3 ACESFilmicToneMapping( vec3 color ) {\\n\\tconst mat3 ACESInputMat = mat3(\\n\\t\\tvec3( 0.59719, 0.07600, 0.02840 ),\\t\\tvec3( 0.35458, 0.90834, 0.13383 ),\\n\\t\\tvec3( 0.04823, 0.01566, 0.83777 )\\n\\t);\\n\\tconst mat3 ACESOutputMat = mat3(\\n\\t\\tvec3( 1.60475, -0.10208, -0.00327 ),\\t\\tvec3( -0.53108, 1.10813, -0.07276 ),\\n\\t\\tvec3( -0.07367, -0.00605, 1.07602 )\\n\\t);\\n\\tcolor *= toneMappingExposure / 0.6;\\n\\tcolor = ACESInputMat * color;\\n\\tcolor = RRTAndODTFit( color );\\n\\tcolor = ACESOutputMat * color;\\n\\treturn saturate( color );\\n}\\nvec3 CustomToneMapping( vec3 color ) { return color; }\";\n\nvar transmission_fragment = \"#ifdef USE_TRANSMISSION\\n\\tfloat transmissionAlpha = 1.0;\\n\\tfloat transmissionFactor = transmission;\\n\\tfloat thicknessFactor = thickness;\\n\\t#ifdef USE_TRANSMISSIONMAP\\n\\t\\ttransmissionFactor *= texture2D( transmissionMap, vUv ).r;\\n\\t#endif\\n\\t#ifdef USE_THICKNESSMAP\\n\\t\\tthicknessFactor *= texture2D( thicknessMap, vUv ).g;\\n\\t#endif\\n\\tvec3 pos = vWorldPosition;\\n\\tvec3 v = normalize( cameraPosition - pos );\\n\\tvec3 n = inverseTransformDirection( normal, viewMatrix );\\n\\tvec4 transmission = getIBLVolumeRefraction(\\n\\t\\tn, v, roughnessFactor, material.diffuseColor, material.specularColor, material.specularF90,\\n\\t\\tpos, modelMatrix, viewMatrix, projectionMatrix, ior, thicknessFactor,\\n\\t\\tattenuationColor, attenuationDistance );\\n\\ttotalDiffuse = mix( totalDiffuse, transmission.rgb, transmissionFactor );\\n\\ttransmissionAlpha = mix( transmissionAlpha, transmission.a, transmissionFactor );\\n#endif\";\n\nvar transmission_pars_fragment = \"#ifdef USE_TRANSMISSION\\n\\tuniform float transmission;\\n\\tuniform float thickness;\\n\\tuniform float attenuationDistance;\\n\\tuniform vec3 attenuationColor;\\n\\t#ifdef USE_TRANSMISSIONMAP\\n\\t\\tuniform sampler2D transmissionMap;\\n\\t#endif\\n\\t#ifdef USE_THICKNESSMAP\\n\\t\\tuniform sampler2D thicknessMap;\\n\\t#endif\\n\\tuniform vec2 transmissionSamplerSize;\\n\\tuniform sampler2D transmissionSamplerMap;\\n\\tuniform mat4 modelMatrix;\\n\\tuniform mat4 projectionMatrix;\\n\\tvarying vec3 vWorldPosition;\\n\\tvec3 getVolumeTransmissionRay( vec3 n, vec3 v, float thickness, float ior, mat4 modelMatrix ) {\\n\\t\\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\\n\\t\\tvec3 modelScale;\\n\\t\\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\\n\\t\\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\\n\\t\\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\\n\\t\\treturn normalize( refractionVector ) * thickness * modelScale;\\n\\t}\\n\\tfloat applyIorToRoughness( float roughness, float ior ) {\\n\\t\\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\\n\\t}\\n\\tvec4 getTransmissionSample( vec2 fragCoord, float roughness, float ior ) {\\n\\t\\tfloat framebufferLod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\\n\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\treturn texture2DLodEXT( transmissionSamplerMap, fragCoord.xy, framebufferLod );\\n\\t\\t#else\\n\\t\\t\\treturn texture2D( transmissionSamplerMap, fragCoord.xy, framebufferLod );\\n\\t\\t#endif\\n\\t}\\n\\tvec3 applyVolumeAttenuation( vec3 radiance, float transmissionDistance, vec3 attenuationColor, float attenuationDistance ) {\\n\\t\\tif ( attenuationDistance == 0.0 ) {\\n\\t\\t\\treturn radiance;\\n\\t\\t} else {\\n\\t\\t\\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\\n\\t\\t\\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\\t\\t\\treturn transmittance * radiance;\\n\\t\\t}\\n\\t}\\n\\tvec4 getIBLVolumeRefraction( vec3 n, vec3 v, float roughness, vec3 diffuseColor, vec3 specularColor, float specularF90,\\n\\t\\tvec3 position, mat4 modelMatrix, mat4 viewMatrix, mat4 projMatrix, float ior, float thickness,\\n\\t\\tvec3 attenuationColor, float attenuationDistance ) {\\n\\t\\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\\n\\t\\tvec3 refractedRayExit = position + transmissionRay;\\n\\t\\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\\n\\t\\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\\n\\t\\trefractionCoords += 1.0;\\n\\t\\trefractionCoords /= 2.0;\\n\\t\\tvec4 transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\\n\\t\\tvec3 attenuatedColor = applyVolumeAttenuation( transmittedLight.rgb, length( transmissionRay ), attenuationColor, attenuationDistance );\\n\\t\\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\\n\\t\\treturn vec4( ( 1.0 - F ) * attenuatedColor * diffuseColor, transmittedLight.a );\\n\\t}\\n#endif\";\n\nvar uv_pars_fragment = \"#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\\n\\tvarying vec2 vUv;\\n#endif\";\n\nvar uv_pars_vertex = \"#ifdef USE_UV\\n\\t#ifdef UVS_VERTEX_ONLY\\n\\t\\tvec2 vUv;\\n\\t#else\\n\\t\\tvarying vec2 vUv;\\n\\t#endif\\n\\tuniform mat3 uvTransform;\\n#endif\";\n\nvar uv_vertex = \"#ifdef USE_UV\\n\\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\\n#endif\";\n\nvar uv2_pars_fragment = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvarying vec2 vUv2;\\n#endif\";\n\nvar uv2_pars_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tattribute vec2 uv2;\\n\\tvarying vec2 vUv2;\\n\\tuniform mat3 uv2Transform;\\n#endif\";\n\nvar uv2_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;\\n#endif\";\n\nvar worldpos_vertex = \"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION )\\n\\tvec4 worldPosition = vec4( transformed, 1.0 );\\n\\t#ifdef USE_INSTANCING\\n\\t\\tworldPosition = instanceMatrix * worldPosition;\\n\\t#endif\\n\\tworldPosition = modelMatrix * worldPosition;\\n#endif\";\n\nconst vertex$g = \"varying vec2 vUv;\\nuniform mat3 uvTransform;\\nvoid main() {\\n\\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\\n\\tgl_Position = vec4( position.xy, 1.0, 1.0 );\\n}\";\n\nconst fragment$g = \"uniform sampler2D t2D;\\nvarying vec2 vUv;\\nvoid main() {\\n\\tvec4 texColor = texture2D( t2D, vUv );\\n\\tgl_FragColor = mapTexelToLinear( texColor );\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$f = \"varying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvWorldDirection = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n\\tgl_Position.z = gl_Position.w;\\n}\";\n\nconst fragment$f = \"#include \\nuniform float opacity;\\nvarying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvec3 vReflect = vWorldDirection;\\n\\t#include \\n\\tgl_FragColor = envColor;\\n\\tgl_FragColor.a *= opacity;\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$e = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvarying vec2 vHighPrecisionZW;\\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#ifdef USE_DISPLACEMENTMAP\\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvHighPrecisionZW = gl_Position.zw;\\n}\";\n\nconst fragment$e = \"#if DEPTH_PACKING == 3200\\n\\tuniform float opacity;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvarying vec2 vHighPrecisionZW;\\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tdiffuseColor.a = opacity;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\\n\\t#elif DEPTH_PACKING == 3201\\n\\t\\tgl_FragColor = packDepthToRGBA( fragCoordZ );\\n\\t#endif\\n}\";\n\nconst vertex$d = \"#define DISTANCE\\nvarying vec3 vWorldPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#ifdef USE_DISPLACEMENTMAP\\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvWorldPosition = worldPosition.xyz;\\n}\";\n\nconst fragment$d = \"#define DISTANCE\\nuniform vec3 referencePosition;\\nuniform float nearDistance;\\nuniform float farDistance;\\nvarying vec3 vWorldPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main () {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\tfloat dist = length( vWorldPosition - referencePosition );\\n\\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\\n\\tdist = saturate( dist );\\n\\tgl_FragColor = packDepthToRGBA( dist );\\n}\";\n\nconst vertex$c = \"varying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvWorldDirection = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$c = \"uniform sampler2D tEquirect;\\nvarying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvec3 direction = normalize( vWorldDirection );\\n\\tvec2 sampleUV = equirectUv( direction );\\n\\tvec4 texColor = texture2D( tEquirect, sampleUV );\\n\\tgl_FragColor = mapTexelToLinear( texColor );\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$b = \"uniform float scale;\\nattribute float lineDistance;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvLineDistance = scale * lineDistance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$b = \"uniform vec3 diffuse;\\nuniform float opacity;\\nuniform float dashSize;\\nuniform float totalSize;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\\n\\t\\tdiscard;\\n\\t}\\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$a = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$a = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\\n\\t\\treflectedLight.indirectDiffuse += lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\\n\\t#else\\n\\t\\treflectedLight.indirectDiffuse += vec3( 1.0 );\\n\\t#endif\\n\\t#include \\n\\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\\n\\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$9 = \"#define LAMBERT\\nvarying vec3 vLightFront;\\nvarying vec3 vIndirectFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n\\tvarying vec3 vIndirectBack;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$9 = \"uniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\nvarying vec3 vLightFront;\\nvarying vec3 vIndirectFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n\\tvarying vec3 vIndirectBack;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef DOUBLE_SIDED\\n\\t\\treflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack;\\n\\t#else\\n\\t\\treflectedLight.indirectDiffuse += vIndirectFront;\\n\\t#endif\\n\\t#include \\n\\treflectedLight.indirectDiffuse *= BRDF_Lambert( diffuseColor.rgb );\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\\n\\t#else\\n\\t\\treflectedLight.directDiffuse = vLightFront;\\n\\t#endif\\n\\treflectedLight.directDiffuse *= BRDF_Lambert( diffuseColor.rgb ) * getShadowMask();\\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$8 = \"#define MATCAP\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n}\";\n\nconst fragment$8 = \"#define MATCAP\\nuniform vec3 diffuse;\\nuniform float opacity;\\nuniform sampler2D matcap;\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 viewDir = normalize( vViewPosition );\\n\\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\\n\\tvec3 y = cross( viewDir, x );\\n\\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\\n\\t#ifdef USE_MATCAP\\n\\t\\tvec4 matcapColor = texture2D( matcap, uv );\\n\\t\\tmatcapColor = matcapTexelToLinear( matcapColor );\\n\\t#else\\n\\t\\tvec4 matcapColor = vec4( 1.0 );\\n\\t#endif\\n\\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$7 = \"#define NORMAL\\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\\n\\tvViewPosition = - mvPosition.xyz;\\n#endif\\n}\";\n\nconst fragment$7 = \"#define NORMAL\\nuniform float opacity;\\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\\n}\";\n\nconst vertex$6 = \"#define PHONG\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$6 = \"#define PHONG\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform vec3 specular;\\nuniform float shininess;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$5 = \"#define STANDARD\\nvarying vec3 vViewPosition;\\n#ifdef USE_TRANSMISSION\\n\\tvarying vec3 vWorldPosition;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n#ifdef USE_TRANSMISSION\\n\\tvWorldPosition = worldPosition.xyz;\\n#endif\\n}\";\n\nconst fragment$5 = \"#define STANDARD\\n#ifdef PHYSICAL\\n\\t#define IOR\\n\\t#define SPECULAR\\n#endif\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float roughness;\\nuniform float metalness;\\nuniform float opacity;\\n#ifdef IOR\\n\\tuniform float ior;\\n#endif\\n#ifdef SPECULAR\\n\\tuniform float specularIntensity;\\n\\tuniform vec3 specularColor;\\n\\t#ifdef USE_SPECULARINTENSITYMAP\\n\\t\\tuniform sampler2D specularIntensityMap;\\n\\t#endif\\n\\t#ifdef USE_SPECULARCOLORMAP\\n\\t\\tuniform sampler2D specularColorMap;\\n\\t#endif\\n#endif\\n#ifdef USE_CLEARCOAT\\n\\tuniform float clearcoat;\\n\\tuniform float clearcoatRoughness;\\n#endif\\n#ifdef USE_SHEEN\\n\\tuniform vec3 sheenColor;\\n\\tuniform float sheenRoughness;\\n\\t#ifdef USE_SHEENCOLORMAP\\n\\t\\tuniform sampler2D sheenColorMap;\\n\\t#endif\\n\\t#ifdef USE_SHEENROUGHNESSMAP\\n\\t\\tuniform sampler2D sheenRoughnessMap;\\n\\t#endif\\n#endif\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\\n\\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\\n\\t#include \\n\\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat dotNVcc = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\\n\\t\\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\\n\\t\\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + clearcoatSpecular * material.clearcoat;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$4 = \"#define TOON\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$4 = \"#define TOON\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$3 = \"uniform float size;\\nuniform float scale;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tgl_PointSize = size;\\n\\t#ifdef USE_SIZEATTENUATION\\n\\t\\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\\n\\t\\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$3 = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$2 = \"#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$2 = \"uniform vec3 color;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$1 = \"uniform float rotation;\\nuniform vec2 center;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\\n\\tvec2 scale;\\n\\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\\n\\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\\n\\t#ifndef USE_SIZEATTENUATION\\n\\t\\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\\n\\t\\tif ( isPerspective ) scale *= - mvPosition.z;\\n\\t#endif\\n\\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\\n\\tvec2 rotatedPosition;\\n\\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\\n\\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\\n\\tmvPosition.xy += rotatedPosition;\\n\\tgl_Position = projectionMatrix * mvPosition;\\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$1 = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst ShaderChunk = {\n\talphamap_fragment: alphamap_fragment,\n\talphamap_pars_fragment: alphamap_pars_fragment,\n\talphatest_fragment: alphatest_fragment,\n\talphatest_pars_fragment: alphatest_pars_fragment,\n\taomap_fragment: aomap_fragment,\n\taomap_pars_fragment: aomap_pars_fragment,\n\tbegin_vertex: begin_vertex,\n\tbeginnormal_vertex: beginnormal_vertex,\n\tbsdfs: bsdfs,\n\tbumpmap_pars_fragment: bumpmap_pars_fragment,\n\tclipping_planes_fragment: clipping_planes_fragment,\n\tclipping_planes_pars_fragment: clipping_planes_pars_fragment,\n\tclipping_planes_pars_vertex: clipping_planes_pars_vertex,\n\tclipping_planes_vertex: clipping_planes_vertex,\n\tcolor_fragment: color_fragment,\n\tcolor_pars_fragment: color_pars_fragment,\n\tcolor_pars_vertex: color_pars_vertex,\n\tcolor_vertex: color_vertex,\n\tcommon: common,\n\tcube_uv_reflection_fragment: cube_uv_reflection_fragment,\n\tdefaultnormal_vertex: defaultnormal_vertex,\n\tdisplacementmap_pars_vertex: displacementmap_pars_vertex,\n\tdisplacementmap_vertex: displacementmap_vertex,\n\temissivemap_fragment: emissivemap_fragment,\n\temissivemap_pars_fragment: emissivemap_pars_fragment,\n\tencodings_fragment: encodings_fragment,\n\tencodings_pars_fragment: encodings_pars_fragment,\n\tenvmap_fragment: envmap_fragment,\n\tenvmap_common_pars_fragment: envmap_common_pars_fragment,\n\tenvmap_pars_fragment: envmap_pars_fragment,\n\tenvmap_pars_vertex: envmap_pars_vertex,\n\tenvmap_physical_pars_fragment: envmap_physical_pars_fragment,\n\tenvmap_vertex: envmap_vertex,\n\tfog_vertex: fog_vertex,\n\tfog_pars_vertex: fog_pars_vertex,\n\tfog_fragment: fog_fragment,\n\tfog_pars_fragment: fog_pars_fragment,\n\tgradientmap_pars_fragment: gradientmap_pars_fragment,\n\tlightmap_fragment: lightmap_fragment,\n\tlightmap_pars_fragment: lightmap_pars_fragment,\n\tlights_lambert_vertex: lights_lambert_vertex,\n\tlights_pars_begin: lights_pars_begin,\n\tlights_toon_fragment: lights_toon_fragment,\n\tlights_toon_pars_fragment: lights_toon_pars_fragment,\n\tlights_phong_fragment: lights_phong_fragment,\n\tlights_phong_pars_fragment: lights_phong_pars_fragment,\n\tlights_physical_fragment: lights_physical_fragment,\n\tlights_physical_pars_fragment: lights_physical_pars_fragment,\n\tlights_fragment_begin: lights_fragment_begin,\n\tlights_fragment_maps: lights_fragment_maps,\n\tlights_fragment_end: lights_fragment_end,\n\tlogdepthbuf_fragment: logdepthbuf_fragment,\n\tlogdepthbuf_pars_fragment: logdepthbuf_pars_fragment,\n\tlogdepthbuf_pars_vertex: logdepthbuf_pars_vertex,\n\tlogdepthbuf_vertex: logdepthbuf_vertex,\n\tmap_fragment: map_fragment,\n\tmap_pars_fragment: map_pars_fragment,\n\tmap_particle_fragment: map_particle_fragment,\n\tmap_particle_pars_fragment: map_particle_pars_fragment,\n\tmetalnessmap_fragment: metalnessmap_fragment,\n\tmetalnessmap_pars_fragment: metalnessmap_pars_fragment,\n\tmorphnormal_vertex: morphnormal_vertex,\n\tmorphtarget_pars_vertex: morphtarget_pars_vertex,\n\tmorphtarget_vertex: morphtarget_vertex,\n\tnormal_fragment_begin: normal_fragment_begin,\n\tnormal_fragment_maps: normal_fragment_maps,\n\tnormal_pars_fragment: normal_pars_fragment,\n\tnormal_pars_vertex: normal_pars_vertex,\n\tnormal_vertex: normal_vertex,\n\tnormalmap_pars_fragment: normalmap_pars_fragment,\n\tclearcoat_normal_fragment_begin: clearcoat_normal_fragment_begin,\n\tclearcoat_normal_fragment_maps: clearcoat_normal_fragment_maps,\n\tclearcoat_pars_fragment: clearcoat_pars_fragment,\n\toutput_fragment: output_fragment,\n\tpacking: packing,\n\tpremultiplied_alpha_fragment: premultiplied_alpha_fragment,\n\tproject_vertex: project_vertex,\n\tdithering_fragment: dithering_fragment,\n\tdithering_pars_fragment: dithering_pars_fragment,\n\troughnessmap_fragment: roughnessmap_fragment,\n\troughnessmap_pars_fragment: roughnessmap_pars_fragment,\n\tshadowmap_pars_fragment: shadowmap_pars_fragment,\n\tshadowmap_pars_vertex: shadowmap_pars_vertex,\n\tshadowmap_vertex: shadowmap_vertex,\n\tshadowmask_pars_fragment: shadowmask_pars_fragment,\n\tskinbase_vertex: skinbase_vertex,\n\tskinning_pars_vertex: skinning_pars_vertex,\n\tskinning_vertex: skinning_vertex,\n\tskinnormal_vertex: skinnormal_vertex,\n\tspecularmap_fragment: specularmap_fragment,\n\tspecularmap_pars_fragment: specularmap_pars_fragment,\n\ttonemapping_fragment: tonemapping_fragment,\n\ttonemapping_pars_fragment: tonemapping_pars_fragment,\n\ttransmission_fragment: transmission_fragment,\n\ttransmission_pars_fragment: transmission_pars_fragment,\n\tuv_pars_fragment: uv_pars_fragment,\n\tuv_pars_vertex: uv_pars_vertex,\n\tuv_vertex: uv_vertex,\n\tuv2_pars_fragment: uv2_pars_fragment,\n\tuv2_pars_vertex: uv2_pars_vertex,\n\tuv2_vertex: uv2_vertex,\n\tworldpos_vertex: worldpos_vertex,\n\n\tbackground_vert: vertex$g,\n\tbackground_frag: fragment$g,\n\tcube_vert: vertex$f,\n\tcube_frag: fragment$f,\n\tdepth_vert: vertex$e,\n\tdepth_frag: fragment$e,\n\tdistanceRGBA_vert: vertex$d,\n\tdistanceRGBA_frag: fragment$d,\n\tequirect_vert: vertex$c,\n\tequirect_frag: fragment$c,\n\tlinedashed_vert: vertex$b,\n\tlinedashed_frag: fragment$b,\n\tmeshbasic_vert: vertex$a,\n\tmeshbasic_frag: fragment$a,\n\tmeshlambert_vert: vertex$9,\n\tmeshlambert_frag: fragment$9,\n\tmeshmatcap_vert: vertex$8,\n\tmeshmatcap_frag: fragment$8,\n\tmeshnormal_vert: vertex$7,\n\tmeshnormal_frag: fragment$7,\n\tmeshphong_vert: vertex$6,\n\tmeshphong_frag: fragment$6,\n\tmeshphysical_vert: vertex$5,\n\tmeshphysical_frag: fragment$5,\n\tmeshtoon_vert: vertex$4,\n\tmeshtoon_frag: fragment$4,\n\tpoints_vert: vertex$3,\n\tpoints_frag: fragment$3,\n\tshadow_vert: vertex$2,\n\tshadow_frag: fragment$2,\n\tsprite_vert: vertex$1,\n\tsprite_frag: fragment$1\n};\n\n/**\n * Uniforms library for shared webgl shaders\n */\n\nconst UniformsLib = {\n\n\tcommon: {\n\n\t\tdiffuse: { value: new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\n\t\tmap: { value: null },\n\t\tuvTransform: { value: new Matrix3() },\n\t\tuv2Transform: { value: new Matrix3() },\n\n\t\talphaMap: { value: null },\n\t\talphaTest: { value: 0 }\n\n\t},\n\n\tspecularmap: {\n\n\t\tspecularMap: { value: null },\n\n\t},\n\n\tenvmap: {\n\n\t\tenvMap: { value: null },\n\t\tflipEnvMap: { value: - 1 },\n\t\treflectivity: { value: 1.0 }, // basic, lambert, phong\n\t\tior: { value: 1.5 }, // standard, physical\n\t\trefractionRatio: { value: 0.98 }\n\n\t},\n\n\taomap: {\n\n\t\taoMap: { value: null },\n\t\taoMapIntensity: { value: 1 }\n\n\t},\n\n\tlightmap: {\n\n\t\tlightMap: { value: null },\n\t\tlightMapIntensity: { value: 1 }\n\n\t},\n\n\temissivemap: {\n\n\t\temissiveMap: { value: null }\n\n\t},\n\n\tbumpmap: {\n\n\t\tbumpMap: { value: null },\n\t\tbumpScale: { value: 1 }\n\n\t},\n\n\tnormalmap: {\n\n\t\tnormalMap: { value: null },\n\t\tnormalScale: { value: new Vector2( 1, 1 ) }\n\n\t},\n\n\tdisplacementmap: {\n\n\t\tdisplacementMap: { value: null },\n\t\tdisplacementScale: { value: 1 },\n\t\tdisplacementBias: { value: 0 }\n\n\t},\n\n\troughnessmap: {\n\n\t\troughnessMap: { value: null }\n\n\t},\n\n\tmetalnessmap: {\n\n\t\tmetalnessMap: { value: null }\n\n\t},\n\n\tgradientmap: {\n\n\t\tgradientMap: { value: null }\n\n\t},\n\n\tfog: {\n\n\t\tfogDensity: { value: 0.00025 },\n\t\tfogNear: { value: 1 },\n\t\tfogFar: { value: 2000 },\n\t\tfogColor: { value: new Color( 0xffffff ) }\n\n\t},\n\n\tlights: {\n\n\t\tambientLightColor: { value: [] },\n\n\t\tlightProbe: { value: [] },\n\n\t\tdirectionalLights: { value: [], properties: {\n\t\t\tdirection: {},\n\t\t\tcolor: {}\n\t\t} },\n\n\t\tdirectionalLightShadows: { value: [], properties: {\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {}\n\t\t} },\n\n\t\tdirectionalShadowMap: { value: [] },\n\t\tdirectionalShadowMatrix: { value: [] },\n\n\t\tspotLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\tdirection: {},\n\t\t\tdistance: {},\n\t\t\tconeCos: {},\n\t\t\tpenumbraCos: {},\n\t\t\tdecay: {}\n\t\t} },\n\n\t\tspotLightShadows: { value: [], properties: {\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {}\n\t\t} },\n\n\t\tspotShadowMap: { value: [] },\n\t\tspotShadowMatrix: { value: [] },\n\n\t\tpointLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\tdecay: {},\n\t\t\tdistance: {}\n\t\t} },\n\n\t\tpointLightShadows: { value: [], properties: {\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {},\n\t\t\tshadowCameraNear: {},\n\t\t\tshadowCameraFar: {}\n\t\t} },\n\n\t\tpointShadowMap: { value: [] },\n\t\tpointShadowMatrix: { value: [] },\n\n\t\themisphereLights: { value: [], properties: {\n\t\t\tdirection: {},\n\t\t\tskyColor: {},\n\t\t\tgroundColor: {}\n\t\t} },\n\n\t\t// TODO (abelnation): RectAreaLight BRDF data needs to be moved from example to main src\n\t\trectAreaLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\twidth: {},\n\t\t\theight: {}\n\t\t} },\n\n\t\tltc_1: { value: null },\n\t\tltc_2: { value: null }\n\n\t},\n\n\tpoints: {\n\n\t\tdiffuse: { value: new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\t\tsize: { value: 1.0 },\n\t\tscale: { value: 1.0 },\n\t\tmap: { value: null },\n\t\talphaMap: { value: null },\n\t\talphaTest: { value: 0 },\n\t\tuvTransform: { value: new Matrix3() }\n\n\t},\n\n\tsprite: {\n\n\t\tdiffuse: { value: new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\t\tcenter: { value: new Vector2( 0.5, 0.5 ) },\n\t\trotation: { value: 0.0 },\n\t\tmap: { value: null },\n\t\talphaMap: { value: null },\n\t\talphaTest: { value: 0 },\n\t\tuvTransform: { value: new Matrix3() }\n\n\t}\n\n};\n\nconst ShaderLib = {\n\n\tbasic: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshbasic_vert,\n\t\tfragmentShader: ShaderChunk.meshbasic_frag\n\n\t},\n\n\tlambert: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: new Color( 0x000000 ) }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshlambert_vert,\n\t\tfragmentShader: ShaderChunk.meshlambert_frag\n\n\t},\n\n\tphong: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: new Color( 0x000000 ) },\n\t\t\t\tspecular: { value: new Color( 0x111111 ) },\n\t\t\t\tshininess: { value: 30 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphong_vert,\n\t\tfragmentShader: ShaderChunk.meshphong_frag\n\n\t},\n\n\tstandard: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.roughnessmap,\n\t\t\tUniformsLib.metalnessmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: new Color( 0x000000 ) },\n\t\t\t\troughness: { value: 1.0 },\n\t\t\t\tmetalness: { value: 0.0 },\n\t\t\t\tenvMapIntensity: { value: 1 } // temporary\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t},\n\n\ttoon: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.gradientmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: new Color( 0x000000 ) }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshtoon_vert,\n\t\tfragmentShader: ShaderChunk.meshtoon_frag\n\n\t},\n\n\tmatcap: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tmatcap: { value: null }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshmatcap_vert,\n\t\tfragmentShader: ShaderChunk.meshmatcap_frag\n\n\t},\n\n\tpoints: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.points,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.points_vert,\n\t\tfragmentShader: ShaderChunk.points_frag\n\n\t},\n\n\tdashed: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tscale: { value: 1 },\n\t\t\t\tdashSize: { value: 1 },\n\t\t\t\ttotalSize: { value: 2 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.linedashed_vert,\n\t\tfragmentShader: ShaderChunk.linedashed_frag\n\n\t},\n\n\tdepth: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.displacementmap\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.depth_vert,\n\t\tfragmentShader: ShaderChunk.depth_frag\n\n\t},\n\n\tnormal: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\t{\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshnormal_vert,\n\t\tfragmentShader: ShaderChunk.meshnormal_frag\n\n\t},\n\n\tsprite: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.sprite,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.sprite_vert,\n\t\tfragmentShader: ShaderChunk.sprite_frag\n\n\t},\n\n\tbackground: {\n\n\t\tuniforms: {\n\t\t\tuvTransform: { value: new Matrix3() },\n\t\t\tt2D: { value: null },\n\t\t},\n\n\t\tvertexShader: ShaderChunk.background_vert,\n\t\tfragmentShader: ShaderChunk.background_frag\n\n\t},\n\t/* -------------------------------------------------------------------------\n\t//\tCube map shader\n\t ------------------------------------------------------------------------- */\n\n\tcube: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.envmap,\n\t\t\t{\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.cube_vert,\n\t\tfragmentShader: ShaderChunk.cube_frag\n\n\t},\n\n\tequirect: {\n\n\t\tuniforms: {\n\t\t\ttEquirect: { value: null },\n\t\t},\n\n\t\tvertexShader: ShaderChunk.equirect_vert,\n\t\tfragmentShader: ShaderChunk.equirect_frag\n\n\t},\n\n\tdistanceRGBA: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.displacementmap,\n\t\t\t{\n\t\t\t\treferencePosition: { value: new Vector3() },\n\t\t\t\tnearDistance: { value: 1 },\n\t\t\t\tfarDistance: { value: 1000 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.distanceRGBA_vert,\n\t\tfragmentShader: ShaderChunk.distanceRGBA_frag\n\n\t},\n\n\tshadow: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.lights,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tcolor: { value: new Color( 0x00000 ) },\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t},\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.shadow_vert,\n\t\tfragmentShader: ShaderChunk.shadow_frag\n\n\t}\n\n};\n\nShaderLib.physical = {\n\n\tuniforms: mergeUniforms( [\n\t\tShaderLib.standard.uniforms,\n\t\t{\n\t\t\tclearcoat: { value: 0 },\n\t\t\tclearcoatMap: { value: null },\n\t\t\tclearcoatRoughness: { value: 0 },\n\t\t\tclearcoatRoughnessMap: { value: null },\n\t\t\tclearcoatNormalScale: { value: new Vector2( 1, 1 ) },\n\t\t\tclearcoatNormalMap: { value: null },\n\t\t\tsheen: { value: 0 },\n\t\t\tsheenColor: { value: new Color( 0x000000 ) },\n\t\t\tsheenColorMap: { value: null },\n\t\t\tsheenRoughness: { value: 0 },\n\t\t\tsheenRoughnessMap: { value: null },\n\t\t\ttransmission: { value: 0 },\n\t\t\ttransmissionMap: { value: null },\n\t\t\ttransmissionSamplerSize: { value: new Vector2() },\n\t\t\ttransmissionSamplerMap: { value: null },\n\t\t\tthickness: { value: 0 },\n\t\t\tthicknessMap: { value: null },\n\t\t\tattenuationDistance: { value: 0 },\n\t\t\tattenuationColor: { value: new Color( 0x000000 ) },\n\t\t\tspecularIntensity: { value: 0 },\n\t\t\tspecularIntensityMap: { value: null },\n\t\t\tspecularColor: { value: new Color( 1, 1, 1 ) },\n\t\t\tspecularColorMap: { value: null },\n\t\t}\n\t] ),\n\n\tvertexShader: ShaderChunk.meshphysical_vert,\n\tfragmentShader: ShaderChunk.meshphysical_frag\n\n};\n\nfunction WebGLBackground( renderer, cubemaps, state, objects, premultipliedAlpha ) {\n\n\tconst clearColor = new Color( 0x000000 );\n\tlet clearAlpha = 0;\n\n\tlet planeMesh;\n\tlet boxMesh;\n\n\tlet currentBackground = null;\n\tlet currentBackgroundVersion = 0;\n\tlet currentTonemapping = null;\n\n\tfunction render( renderList, scene ) {\n\n\t\tlet forceClear = false;\n\t\tlet background = scene.isScene === true ? scene.background : null;\n\n\t\tif ( background && background.isTexture ) {\n\n\t\t\tbackground = cubemaps.get( background );\n\n\t\t}\n\n\t\t// Ignore background in AR\n\t\t// TODO: Reconsider this.\n\n\t\tconst xr = renderer.xr;\n\t\tconst session = xr.getSession && xr.getSession();\n\n\t\tif ( session && session.environmentBlendMode === 'additive' ) {\n\n\t\t\tbackground = null;\n\n\t\t}\n\n\t\tif ( background === null ) {\n\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t} else if ( background && background.isColor ) {\n\n\t\t\tsetClear( background, 1 );\n\t\t\tforceClear = true;\n\n\t\t}\n\n\t\tif ( renderer.autoClear || forceClear ) {\n\n\t\t\trenderer.clear( renderer.autoClearColor, renderer.autoClearDepth, renderer.autoClearStencil );\n\n\t\t}\n\n\t\tif ( background && ( background.isCubeTexture || background.mapping === CubeUVReflectionMapping ) ) {\n\n\t\t\tif ( boxMesh === undefined ) {\n\n\t\t\t\tboxMesh = new Mesh(\n\t\t\t\t\tnew BoxGeometry( 1, 1, 1 ),\n\t\t\t\t\tnew ShaderMaterial( {\n\t\t\t\t\t\tname: 'BackgroundCubeMaterial',\n\t\t\t\t\t\tuniforms: cloneUniforms( ShaderLib.cube.uniforms ),\n\t\t\t\t\t\tvertexShader: ShaderLib.cube.vertexShader,\n\t\t\t\t\t\tfragmentShader: ShaderLib.cube.fragmentShader,\n\t\t\t\t\t\tside: BackSide,\n\t\t\t\t\t\tdepthTest: false,\n\t\t\t\t\t\tdepthWrite: false,\n\t\t\t\t\t\tfog: false\n\t\t\t\t\t} )\n\t\t\t\t);\n\n\t\t\t\tboxMesh.geometry.deleteAttribute( 'normal' );\n\t\t\t\tboxMesh.geometry.deleteAttribute( 'uv' );\n\n\t\t\t\tboxMesh.onBeforeRender = function ( renderer, scene, camera ) {\n\n\t\t\t\t\tthis.matrixWorld.copyPosition( camera.matrixWorld );\n\n\t\t\t\t};\n\n\t\t\t\t// enable code injection for non-built-in material\n\t\t\t\tObject.defineProperty( boxMesh.material, 'envMap', {\n\n\t\t\t\t\tget: function () {\n\n\t\t\t\t\t\treturn this.uniforms.envMap.value;\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\tobjects.update( boxMesh );\n\n\t\t\t}\n\n\t\t\tboxMesh.material.uniforms.envMap.value = background;\n\t\t\tboxMesh.material.uniforms.flipEnvMap.value = ( background.isCubeTexture && background.isRenderTargetTexture === false ) ? - 1 : 1;\n\n\t\t\tif ( currentBackground !== background ||\n\t\t\t\tcurrentBackgroundVersion !== background.version ||\n\t\t\t\tcurrentTonemapping !== renderer.toneMapping ) {\n\n\t\t\t\tboxMesh.material.needsUpdate = true;\n\n\t\t\t\tcurrentBackground = background;\n\t\t\t\tcurrentBackgroundVersion = background.version;\n\t\t\t\tcurrentTonemapping = renderer.toneMapping;\n\n\t\t\t}\n\n\t\t\t// push to the pre-sorted opaque render list\n\t\t\trenderList.unshift( boxMesh, boxMesh.geometry, boxMesh.material, 0, 0, null );\n\n\t\t} else if ( background && background.isTexture ) {\n\n\t\t\tif ( planeMesh === undefined ) {\n\n\t\t\t\tplaneMesh = new Mesh(\n\t\t\t\t\tnew PlaneGeometry( 2, 2 ),\n\t\t\t\t\tnew ShaderMaterial( {\n\t\t\t\t\t\tname: 'BackgroundMaterial',\n\t\t\t\t\t\tuniforms: cloneUniforms( ShaderLib.background.uniforms ),\n\t\t\t\t\t\tvertexShader: ShaderLib.background.vertexShader,\n\t\t\t\t\t\tfragmentShader: ShaderLib.background.fragmentShader,\n\t\t\t\t\t\tside: FrontSide,\n\t\t\t\t\t\tdepthTest: false,\n\t\t\t\t\t\tdepthWrite: false,\n\t\t\t\t\t\tfog: false\n\t\t\t\t\t} )\n\t\t\t\t);\n\n\t\t\t\tplaneMesh.geometry.deleteAttribute( 'normal' );\n\n\t\t\t\t// enable code injection for non-built-in material\n\t\t\t\tObject.defineProperty( planeMesh.material, 'map', {\n\n\t\t\t\t\tget: function () {\n\n\t\t\t\t\t\treturn this.uniforms.t2D.value;\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\tobjects.update( planeMesh );\n\n\t\t\t}\n\n\t\t\tplaneMesh.material.uniforms.t2D.value = background;\n\n\t\t\tif ( background.matrixAutoUpdate === true ) {\n\n\t\t\t\tbackground.updateMatrix();\n\n\t\t\t}\n\n\t\t\tplaneMesh.material.uniforms.uvTransform.value.copy( background.matrix );\n\n\t\t\tif ( currentBackground !== background ||\n\t\t\t\tcurrentBackgroundVersion !== background.version ||\n\t\t\t\tcurrentTonemapping !== renderer.toneMapping ) {\n\n\t\t\t\tplaneMesh.material.needsUpdate = true;\n\n\t\t\t\tcurrentBackground = background;\n\t\t\t\tcurrentBackgroundVersion = background.version;\n\t\t\t\tcurrentTonemapping = renderer.toneMapping;\n\n\t\t\t}\n\n\n\t\t\t// push to the pre-sorted opaque render list\n\t\t\trenderList.unshift( planeMesh, planeMesh.geometry, planeMesh.material, 0, 0, null );\n\n\t\t}\n\n\t}\n\n\tfunction setClear( color, alpha ) {\n\n\t\tstate.buffers.color.setClear( color.r, color.g, color.b, alpha, premultipliedAlpha );\n\n\t}\n\n\treturn {\n\n\t\tgetClearColor: function () {\n\n\t\t\treturn clearColor;\n\n\t\t},\n\t\tsetClearColor: function ( color, alpha = 1 ) {\n\n\t\t\tclearColor.set( color );\n\t\t\tclearAlpha = alpha;\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t},\n\t\tgetClearAlpha: function () {\n\n\t\t\treturn clearAlpha;\n\n\t\t},\n\t\tsetClearAlpha: function ( alpha ) {\n\n\t\t\tclearAlpha = alpha;\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t},\n\t\trender: render\n\n\t};\n\n}\n\nfunction WebGLBindingStates( gl, extensions, attributes, capabilities ) {\n\n\tconst maxVertexAttributes = gl.getParameter( 34921 );\n\n\tconst extension = capabilities.isWebGL2 ? null : extensions.get( 'OES_vertex_array_object' );\n\tconst vaoAvailable = capabilities.isWebGL2 || extension !== null;\n\n\tconst bindingStates = {};\n\n\tconst defaultState = createBindingState( null );\n\tlet currentState = defaultState;\n\n\tfunction setup( object, material, program, geometry, index ) {\n\n\t\tlet updateBuffers = false;\n\n\t\tif ( vaoAvailable ) {\n\n\t\t\tconst state = getBindingState( geometry, program, material );\n\n\t\t\tif ( currentState !== state ) {\n\n\t\t\t\tcurrentState = state;\n\t\t\t\tbindVertexArrayObject( currentState.object );\n\n\t\t\t}\n\n\t\t\tupdateBuffers = needsUpdate( geometry, index );\n\n\t\t\tif ( updateBuffers ) saveCache( geometry, index );\n\n\t\t} else {\n\n\t\t\tconst wireframe = ( material.wireframe === true );\n\n\t\t\tif ( currentState.geometry !== geometry.id ||\n\t\t\t\tcurrentState.program !== program.id ||\n\t\t\t\tcurrentState.wireframe !== wireframe ) {\n\n\t\t\t\tcurrentState.geometry = geometry.id;\n\t\t\t\tcurrentState.program = program.id;\n\t\t\t\tcurrentState.wireframe = wireframe;\n\n\t\t\t\tupdateBuffers = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( object.isInstancedMesh === true ) {\n\n\t\t\tupdateBuffers = true;\n\n\t\t}\n\n\t\tif ( index !== null ) {\n\n\t\t\tattributes.update( index, 34963 );\n\n\t\t}\n\n\t\tif ( updateBuffers ) {\n\n\t\t\tsetupVertexAttributes( object, material, program, geometry );\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tgl.bindBuffer( 34963, attributes.get( index ).buffer );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction createVertexArrayObject() {\n\n\t\tif ( capabilities.isWebGL2 ) return gl.createVertexArray();\n\n\t\treturn extension.createVertexArrayOES();\n\n\t}\n\n\tfunction bindVertexArrayObject( vao ) {\n\n\t\tif ( capabilities.isWebGL2 ) return gl.bindVertexArray( vao );\n\n\t\treturn extension.bindVertexArrayOES( vao );\n\n\t}\n\n\tfunction deleteVertexArrayObject( vao ) {\n\n\t\tif ( capabilities.isWebGL2 ) return gl.deleteVertexArray( vao );\n\n\t\treturn extension.deleteVertexArrayOES( vao );\n\n\t}\n\n\tfunction getBindingState( geometry, program, material ) {\n\n\t\tconst wireframe = ( material.wireframe === true );\n\n\t\tlet programMap = bindingStates[ geometry.id ];\n\n\t\tif ( programMap === undefined ) {\n\n\t\t\tprogramMap = {};\n\t\t\tbindingStates[ geometry.id ] = programMap;\n\n\t\t}\n\n\t\tlet stateMap = programMap[ program.id ];\n\n\t\tif ( stateMap === undefined ) {\n\n\t\t\tstateMap = {};\n\t\t\tprogramMap[ program.id ] = stateMap;\n\n\t\t}\n\n\t\tlet state = stateMap[ wireframe ];\n\n\t\tif ( state === undefined ) {\n\n\t\t\tstate = createBindingState( createVertexArrayObject() );\n\t\t\tstateMap[ wireframe ] = state;\n\n\t\t}\n\n\t\treturn state;\n\n\t}\n\n\tfunction createBindingState( vao ) {\n\n\t\tconst newAttributes = [];\n\t\tconst enabledAttributes = [];\n\t\tconst attributeDivisors = [];\n\n\t\tfor ( let i = 0; i < maxVertexAttributes; i ++ ) {\n\n\t\t\tnewAttributes[ i ] = 0;\n\t\t\tenabledAttributes[ i ] = 0;\n\t\t\tattributeDivisors[ i ] = 0;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\t// for backward compatibility on non-VAO support browser\n\t\t\tgeometry: null,\n\t\t\tprogram: null,\n\t\t\twireframe: false,\n\n\t\t\tnewAttributes: newAttributes,\n\t\t\tenabledAttributes: enabledAttributes,\n\t\t\tattributeDivisors: attributeDivisors,\n\t\t\tobject: vao,\n\t\t\tattributes: {},\n\t\t\tindex: null\n\n\t\t};\n\n\t}\n\n\tfunction needsUpdate( geometry, index ) {\n\n\t\tconst cachedAttributes = currentState.attributes;\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\tlet attributesNum = 0;\n\n\t\tfor ( const key in geometryAttributes ) {\n\n\t\t\tconst cachedAttribute = cachedAttributes[ key ];\n\t\t\tconst geometryAttribute = geometryAttributes[ key ];\n\n\t\t\tif ( cachedAttribute === undefined ) return true;\n\n\t\t\tif ( cachedAttribute.attribute !== geometryAttribute ) return true;\n\n\t\t\tif ( cachedAttribute.data !== geometryAttribute.data ) return true;\n\n\t\t\tattributesNum ++;\n\n\t\t}\n\n\t\tif ( currentState.attributesNum !== attributesNum ) return true;\n\n\t\tif ( currentState.index !== index ) return true;\n\n\t\treturn false;\n\n\t}\n\n\tfunction saveCache( geometry, index ) {\n\n\t\tconst cache = {};\n\t\tconst attributes = geometry.attributes;\n\t\tlet attributesNum = 0;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tconst attribute = attributes[ key ];\n\n\t\t\tconst data = {};\n\t\t\tdata.attribute = attribute;\n\n\t\t\tif ( attribute.data ) {\n\n\t\t\t\tdata.data = attribute.data;\n\n\t\t\t}\n\n\t\t\tcache[ key ] = data;\n\n\t\t\tattributesNum ++;\n\n\t\t}\n\n\t\tcurrentState.attributes = cache;\n\t\tcurrentState.attributesNum = attributesNum;\n\n\t\tcurrentState.index = index;\n\n\t}\n\n\tfunction initAttributes() {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\n\t\tfor ( let i = 0, il = newAttributes.length; i < il; i ++ ) {\n\n\t\t\tnewAttributes[ i ] = 0;\n\n\t\t}\n\n\t}\n\n\tfunction enableAttribute( attribute ) {\n\n\t\tenableAttributeAndDivisor( attribute, 0 );\n\n\t}\n\n\tfunction enableAttributeAndDivisor( attribute, meshPerAttribute ) {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\t\tconst enabledAttributes = currentState.enabledAttributes;\n\t\tconst attributeDivisors = currentState.attributeDivisors;\n\n\t\tnewAttributes[ attribute ] = 1;\n\n\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t}\n\n\t\tif ( attributeDivisors[ attribute ] !== meshPerAttribute ) {\n\n\t\t\tconst extension = capabilities.isWebGL2 ? gl : extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\textension[ capabilities.isWebGL2 ? 'vertexAttribDivisor' : 'vertexAttribDivisorANGLE' ]( attribute, meshPerAttribute );\n\t\t\tattributeDivisors[ attribute ] = meshPerAttribute;\n\n\t\t}\n\n\t}\n\n\tfunction disableUnusedAttributes() {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\t\tconst enabledAttributes = currentState.enabledAttributes;\n\n\t\tfor ( let i = 0, il = enabledAttributes.length; i < il; i ++ ) {\n\n\t\t\tif ( enabledAttributes[ i ] !== newAttributes[ i ] ) {\n\n\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction vertexAttribPointer( index, size, type, normalized, stride, offset ) {\n\n\t\tif ( capabilities.isWebGL2 === true && ( type === 5124 || type === 5125 ) ) {\n\n\t\t\tgl.vertexAttribIPointer( index, size, type, stride, offset );\n\n\t\t} else {\n\n\t\t\tgl.vertexAttribPointer( index, size, type, normalized, stride, offset );\n\n\t\t}\n\n\t}\n\n\tfunction setupVertexAttributes( object, material, program, geometry ) {\n\n\t\tif ( capabilities.isWebGL2 === false && ( object.isInstancedMesh || geometry.isInstancedBufferGeometry ) ) {\n\n\t\t\tif ( extensions.get( 'ANGLE_instanced_arrays' ) === null ) return;\n\n\t\t}\n\n\t\tinitAttributes();\n\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\tconst programAttributes = program.getAttributes();\n\n\t\tconst materialDefaultAttributeValues = material.defaultAttributeValues;\n\n\t\tfor ( const name in programAttributes ) {\n\n\t\t\tconst programAttribute = programAttributes[ name ];\n\n\t\t\tif ( programAttribute.location >= 0 ) {\n\n\t\t\t\tlet geometryAttribute = geometryAttributes[ name ];\n\n\t\t\t\tif ( geometryAttribute === undefined ) {\n\n\t\t\t\t\tif ( name === 'instanceMatrix' && object.instanceMatrix ) geometryAttribute = object.instanceMatrix;\n\t\t\t\t\tif ( name === 'instanceColor' && object.instanceColor ) geometryAttribute = object.instanceColor;\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometryAttribute !== undefined ) {\n\n\t\t\t\t\tconst normalized = geometryAttribute.normalized;\n\t\t\t\t\tconst size = geometryAttribute.itemSize;\n\n\t\t\t\t\tconst attribute = attributes.get( geometryAttribute );\n\n\t\t\t\t\t// TODO Attribute may not be available on context restore\n\n\t\t\t\t\tif ( attribute === undefined ) continue;\n\n\t\t\t\t\tconst buffer = attribute.buffer;\n\t\t\t\t\tconst type = attribute.type;\n\t\t\t\t\tconst bytesPerElement = attribute.bytesPerElement;\n\n\t\t\t\t\tif ( geometryAttribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\tconst data = geometryAttribute.data;\n\t\t\t\t\t\tconst stride = data.stride;\n\t\t\t\t\t\tconst offset = geometryAttribute.offset;\n\n\t\t\t\t\t\tif ( data && data.isInstancedInterleavedBuffer ) {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttributeAndDivisor( programAttribute.location + i, data.meshPerAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( object.isInstancedMesh !== true && geometry._maxInstanceCount === undefined ) {\n\n\t\t\t\t\t\t\t\tgeometry._maxInstanceCount = data.meshPerAttribute * data.count;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttribute( programAttribute.location + i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgl.bindBuffer( 34962, buffer );\n\n\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\tvertexAttribPointer(\n\t\t\t\t\t\t\t\tprogramAttribute.location + i,\n\t\t\t\t\t\t\t\tsize / programAttribute.locationSize,\n\t\t\t\t\t\t\t\ttype,\n\t\t\t\t\t\t\t\tnormalized,\n\t\t\t\t\t\t\t\tstride * bytesPerElement,\n\t\t\t\t\t\t\t\t( offset + ( size / programAttribute.locationSize ) * i ) * bytesPerElement\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( geometryAttribute.isInstancedBufferAttribute ) {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttributeAndDivisor( programAttribute.location + i, geometryAttribute.meshPerAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( object.isInstancedMesh !== true && geometry._maxInstanceCount === undefined ) {\n\n\t\t\t\t\t\t\t\tgeometry._maxInstanceCount = geometryAttribute.meshPerAttribute * geometryAttribute.count;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttribute( programAttribute.location + i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgl.bindBuffer( 34962, buffer );\n\n\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\tvertexAttribPointer(\n\t\t\t\t\t\t\t\tprogramAttribute.location + i,\n\t\t\t\t\t\t\t\tsize / programAttribute.locationSize,\n\t\t\t\t\t\t\t\ttype,\n\t\t\t\t\t\t\t\tnormalized,\n\t\t\t\t\t\t\t\tsize * bytesPerElement,\n\t\t\t\t\t\t\t\t( size / programAttribute.locationSize ) * i * bytesPerElement\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( materialDefaultAttributeValues !== undefined ) {\n\n\t\t\t\t\tconst value = materialDefaultAttributeValues[ name ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\tswitch ( value.length ) {\n\n\t\t\t\t\t\t\tcase 2:\n\t\t\t\t\t\t\t\tgl.vertexAttrib2fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 3:\n\t\t\t\t\t\t\t\tgl.vertexAttrib3fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 4:\n\t\t\t\t\t\t\t\tgl.vertexAttrib4fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\tgl.vertexAttrib1fv( programAttribute.location, value );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tdisableUnusedAttributes();\n\n\t}\n\n\tfunction dispose() {\n\n\t\treset();\n\n\t\tfor ( const geometryId in bindingStates ) {\n\n\t\t\tconst programMap = bindingStates[ geometryId ];\n\n\t\t\tfor ( const programId in programMap ) {\n\n\t\t\t\tconst stateMap = programMap[ programId ];\n\n\t\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t\t}\n\n\t\t\t\tdelete programMap[ programId ];\n\n\t\t\t}\n\n\t\t\tdelete bindingStates[ geometryId ];\n\n\t\t}\n\n\t}\n\n\tfunction releaseStatesOfGeometry( geometry ) {\n\n\t\tif ( bindingStates[ geometry.id ] === undefined ) return;\n\n\t\tconst programMap = bindingStates[ geometry.id ];\n\n\t\tfor ( const programId in programMap ) {\n\n\t\t\tconst stateMap = programMap[ programId ];\n\n\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t}\n\n\t\t\tdelete programMap[ programId ];\n\n\t\t}\n\n\t\tdelete bindingStates[ geometry.id ];\n\n\t}\n\n\tfunction releaseStatesOfProgram( program ) {\n\n\t\tfor ( const geometryId in bindingStates ) {\n\n\t\t\tconst programMap = bindingStates[ geometryId ];\n\n\t\t\tif ( programMap[ program.id ] === undefined ) continue;\n\n\t\t\tconst stateMap = programMap[ program.id ];\n\n\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t}\n\n\t\t\tdelete programMap[ program.id ];\n\n\t\t}\n\n\t}\n\n\tfunction reset() {\n\n\t\tresetDefaultState();\n\n\t\tif ( currentState === defaultState ) return;\n\n\t\tcurrentState = defaultState;\n\t\tbindVertexArrayObject( currentState.object );\n\n\t}\n\n\t// for backward-compatilibity\n\n\tfunction resetDefaultState() {\n\n\t\tdefaultState.geometry = null;\n\t\tdefaultState.program = null;\n\t\tdefaultState.wireframe = false;\n\n\t}\n\n\treturn {\n\n\t\tsetup: setup,\n\t\treset: reset,\n\t\tresetDefaultState: resetDefaultState,\n\t\tdispose: dispose,\n\t\treleaseStatesOfGeometry: releaseStatesOfGeometry,\n\t\treleaseStatesOfProgram: releaseStatesOfProgram,\n\n\t\tinitAttributes: initAttributes,\n\t\tenableAttribute: enableAttribute,\n\t\tdisableUnusedAttributes: disableUnusedAttributes\n\n\t};\n\n}\n\nfunction WebGLBufferRenderer( gl, extensions, info, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tlet mode;\n\n\tfunction setMode( value ) {\n\n\t\tmode = value;\n\n\t}\n\n\tfunction render( start, count ) {\n\n\t\tgl.drawArrays( mode, start, count );\n\n\t\tinfo.update( count, mode, 1 );\n\n\t}\n\n\tfunction renderInstances( start, count, primcount ) {\n\n\t\tif ( primcount === 0 ) return;\n\n\t\tlet extension, methodName;\n\n\t\tif ( isWebGL2 ) {\n\n\t\t\textension = gl;\n\t\t\tmethodName = 'drawArraysInstanced';\n\n\t\t} else {\n\n\t\t\textension = extensions.get( 'ANGLE_instanced_arrays' );\n\t\t\tmethodName = 'drawArraysInstancedANGLE';\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\textension[ methodName ]( mode, start, count, primcount );\n\n\t\tinfo.update( count, mode, primcount );\n\n\t}\n\n\t//\n\n\tthis.setMode = setMode;\n\tthis.render = render;\n\tthis.renderInstances = renderInstances;\n\n}\n\nfunction WebGLCapabilities( gl, extensions, parameters ) {\n\n\tlet maxAnisotropy;\n\n\tfunction getMaxAnisotropy() {\n\n\t\tif ( maxAnisotropy !== undefined ) return maxAnisotropy;\n\n\t\tif ( extensions.has( 'EXT_texture_filter_anisotropic' ) === true ) {\n\n\t\t\tconst extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tmaxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT );\n\n\t\t} else {\n\n\t\t\tmaxAnisotropy = 0;\n\n\t\t}\n\n\t\treturn maxAnisotropy;\n\n\t}\n\n\tfunction getMaxPrecision( precision ) {\n\n\t\tif ( precision === 'highp' ) {\n\n\t\t\tif ( gl.getShaderPrecisionFormat( 35633, 36338 ).precision > 0 &&\n\t\t\t\tgl.getShaderPrecisionFormat( 35632, 36338 ).precision > 0 ) {\n\n\t\t\t\treturn 'highp';\n\n\t\t\t}\n\n\t\t\tprecision = 'mediump';\n\n\t\t}\n\n\t\tif ( precision === 'mediump' ) {\n\n\t\t\tif ( gl.getShaderPrecisionFormat( 35633, 36337 ).precision > 0 &&\n\t\t\t\tgl.getShaderPrecisionFormat( 35632, 36337 ).precision > 0 ) {\n\n\t\t\t\treturn 'mediump';\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn 'lowp';\n\n\t}\n\n\t/* eslint-disable no-undef */\n\tconst isWebGL2 = ( typeof WebGL2RenderingContext !== 'undefined' && gl instanceof WebGL2RenderingContext ) ||\n\t\t( typeof WebGL2ComputeRenderingContext !== 'undefined' && gl instanceof WebGL2ComputeRenderingContext );\n\t/* eslint-enable no-undef */\n\n\tlet precision = parameters.precision !== undefined ? parameters.precision : 'highp';\n\tconst maxPrecision = getMaxPrecision( precision );\n\n\tif ( maxPrecision !== precision ) {\n\n\t\tconsole.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' );\n\t\tprecision = maxPrecision;\n\n\t}\n\n\tconst drawBuffers = isWebGL2 || extensions.has( 'WEBGL_draw_buffers' );\n\n\tconst logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true;\n\n\tconst maxTextures = gl.getParameter( 34930 );\n\tconst maxVertexTextures = gl.getParameter( 35660 );\n\tconst maxTextureSize = gl.getParameter( 3379 );\n\tconst maxCubemapSize = gl.getParameter( 34076 );\n\n\tconst maxAttributes = gl.getParameter( 34921 );\n\tconst maxVertexUniforms = gl.getParameter( 36347 );\n\tconst maxVaryings = gl.getParameter( 36348 );\n\tconst maxFragmentUniforms = gl.getParameter( 36349 );\n\n\tconst vertexTextures = maxVertexTextures > 0;\n\tconst floatFragmentTextures = isWebGL2 || extensions.has( 'OES_texture_float' );\n\tconst floatVertexTextures = vertexTextures && floatFragmentTextures;\n\n\tconst maxSamples = isWebGL2 ? gl.getParameter( 36183 ) : 0;\n\n\treturn {\n\n\t\tisWebGL2: isWebGL2,\n\n\t\tdrawBuffers: drawBuffers,\n\n\t\tgetMaxAnisotropy: getMaxAnisotropy,\n\t\tgetMaxPrecision: getMaxPrecision,\n\n\t\tprecision: precision,\n\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\n\t\tmaxTextures: maxTextures,\n\t\tmaxVertexTextures: maxVertexTextures,\n\t\tmaxTextureSize: maxTextureSize,\n\t\tmaxCubemapSize: maxCubemapSize,\n\n\t\tmaxAttributes: maxAttributes,\n\t\tmaxVertexUniforms: maxVertexUniforms,\n\t\tmaxVaryings: maxVaryings,\n\t\tmaxFragmentUniforms: maxFragmentUniforms,\n\n\t\tvertexTextures: vertexTextures,\n\t\tfloatFragmentTextures: floatFragmentTextures,\n\t\tfloatVertexTextures: floatVertexTextures,\n\n\t\tmaxSamples: maxSamples\n\n\t};\n\n}\n\nfunction WebGLClipping( properties ) {\n\n\tconst scope = this;\n\n\tlet globalState = null,\n\t\tnumGlobalPlanes = 0,\n\t\tlocalClippingEnabled = false,\n\t\trenderingShadows = false;\n\n\tconst plane = new Plane(),\n\t\tviewNormalMatrix = new Matrix3(),\n\n\t\tuniform = { value: null, needsUpdate: false };\n\n\tthis.uniform = uniform;\n\tthis.numPlanes = 0;\n\tthis.numIntersection = 0;\n\n\tthis.init = function ( planes, enableLocalClipping, camera ) {\n\n\t\tconst enabled =\n\t\t\tplanes.length !== 0 ||\n\t\t\tenableLocalClipping ||\n\t\t\t// enable state of previous frame - the clipping code has to\n\t\t\t// run another frame in order to reset the state:\n\t\t\tnumGlobalPlanes !== 0 ||\n\t\t\tlocalClippingEnabled;\n\n\t\tlocalClippingEnabled = enableLocalClipping;\n\n\t\tglobalState = projectPlanes( planes, camera, 0 );\n\t\tnumGlobalPlanes = planes.length;\n\n\t\treturn enabled;\n\n\t};\n\n\tthis.beginShadows = function () {\n\n\t\trenderingShadows = true;\n\t\tprojectPlanes( null );\n\n\t};\n\n\tthis.endShadows = function () {\n\n\t\trenderingShadows = false;\n\t\tresetGlobalState();\n\n\t};\n\n\tthis.setState = function ( material, camera, useCache ) {\n\n\t\tconst planes = material.clippingPlanes,\n\t\t\tclipIntersection = material.clipIntersection,\n\t\t\tclipShadows = material.clipShadows;\n\n\t\tconst materialProperties = properties.get( material );\n\n\t\tif ( ! localClippingEnabled || planes === null || planes.length === 0 || renderingShadows && ! clipShadows ) {\n\n\t\t\t// there's no local clipping\n\n\t\t\tif ( renderingShadows ) {\n\n\t\t\t\t// there's no global clipping\n\n\t\t\t\tprojectPlanes( null );\n\n\t\t\t} else {\n\n\t\t\t\tresetGlobalState();\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst nGlobal = renderingShadows ? 0 : numGlobalPlanes,\n\t\t\t\tlGlobal = nGlobal * 4;\n\n\t\t\tlet dstArray = materialProperties.clippingState || null;\n\n\t\t\tuniform.value = dstArray; // ensure unique state\n\n\t\t\tdstArray = projectPlanes( planes, camera, lGlobal, useCache );\n\n\t\t\tfor ( let i = 0; i !== lGlobal; ++ i ) {\n\n\t\t\t\tdstArray[ i ] = globalState[ i ];\n\n\t\t\t}\n\n\t\t\tmaterialProperties.clippingState = dstArray;\n\t\t\tthis.numIntersection = clipIntersection ? this.numPlanes : 0;\n\t\t\tthis.numPlanes += nGlobal;\n\n\t\t}\n\n\n\t};\n\n\tfunction resetGlobalState() {\n\n\t\tif ( uniform.value !== globalState ) {\n\n\t\t\tuniform.value = globalState;\n\t\t\tuniform.needsUpdate = numGlobalPlanes > 0;\n\n\t\t}\n\n\t\tscope.numPlanes = numGlobalPlanes;\n\t\tscope.numIntersection = 0;\n\n\t}\n\n\tfunction projectPlanes( planes, camera, dstOffset, skipTransform ) {\n\n\t\tconst nPlanes = planes !== null ? planes.length : 0;\n\t\tlet dstArray = null;\n\n\t\tif ( nPlanes !== 0 ) {\n\n\t\t\tdstArray = uniform.value;\n\n\t\t\tif ( skipTransform !== true || dstArray === null ) {\n\n\t\t\t\tconst flatSize = dstOffset + nPlanes * 4,\n\t\t\t\t\tviewMatrix = camera.matrixWorldInverse;\n\n\t\t\t\tviewNormalMatrix.getNormalMatrix( viewMatrix );\n\n\t\t\t\tif ( dstArray === null || dstArray.length < flatSize ) {\n\n\t\t\t\t\tdstArray = new Float32Array( flatSize );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0, i4 = dstOffset; i !== nPlanes; ++ i, i4 += 4 ) {\n\n\t\t\t\t\tplane.copy( planes[ i ] ).applyMatrix4( viewMatrix, viewNormalMatrix );\n\n\t\t\t\t\tplane.normal.toArray( dstArray, i4 );\n\t\t\t\t\tdstArray[ i4 + 3 ] = plane.constant;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tuniform.value = dstArray;\n\t\t\tuniform.needsUpdate = true;\n\n\t\t}\n\n\t\tscope.numPlanes = nPlanes;\n\t\tscope.numIntersection = 0;\n\n\t\treturn dstArray;\n\n\t}\n\n}\n\nfunction WebGLCubeMaps( renderer ) {\n\n\tlet cubemaps = new WeakMap();\n\n\tfunction mapTextureMapping( texture, mapping ) {\n\n\t\tif ( mapping === EquirectangularReflectionMapping ) {\n\n\t\t\ttexture.mapping = CubeReflectionMapping;\n\n\t\t} else if ( mapping === EquirectangularRefractionMapping ) {\n\n\t\t\ttexture.mapping = CubeRefractionMapping;\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction get( texture ) {\n\n\t\tif ( texture && texture.isTexture && texture.isRenderTargetTexture === false ) {\n\n\t\t\tconst mapping = texture.mapping;\n\n\t\t\tif ( mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping ) {\n\n\t\t\t\tif ( cubemaps.has( texture ) ) {\n\n\t\t\t\t\tconst cubemap = cubemaps.get( texture ).texture;\n\t\t\t\t\treturn mapTextureMapping( cubemap, texture.mapping );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst image = texture.image;\n\n\t\t\t\t\tif ( image && image.height > 0 ) {\n\n\t\t\t\t\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\t\t\t\t\tconst renderTarget = new WebGLCubeRenderTarget( image.height / 2 );\n\t\t\t\t\t\trenderTarget.fromEquirectangularTexture( renderer, texture );\n\t\t\t\t\t\tcubemaps.set( texture, renderTarget );\n\n\t\t\t\t\t\trenderer.setRenderTarget( currentRenderTarget );\n\n\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\treturn mapTextureMapping( renderTarget.texture, texture.mapping );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// image not yet ready. try the conversion next frame\n\n\t\t\t\t\t\treturn null;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tconst cubemap = cubemaps.get( texture );\n\n\t\tif ( cubemap !== undefined ) {\n\n\t\t\tcubemaps.delete( texture );\n\t\t\tcubemap.dispose();\n\n\t\t}\n\n\t}\n\n\tfunction dispose() {\n\n\t\tcubemaps = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nclass OrthographicCamera extends Camera {\n\n\tconstructor( left = - 1, right = 1, top = 1, bottom = - 1, near = 0.1, far = 2000 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'OrthographicCamera';\n\n\t\tthis.zoom = 1;\n\t\tthis.view = null;\n\n\t\tthis.left = left;\n\t\tthis.right = right;\n\t\tthis.top = top;\n\t\tthis.bottom = bottom;\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.left = source.left;\n\t\tthis.right = source.right;\n\t\tthis.top = source.top;\n\t\tthis.bottom = source.bottom;\n\t\tthis.near = source.near;\n\t\tthis.far = source.far;\n\n\t\tthis.zoom = source.zoom;\n\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\treturn this;\n\n\t}\n\n\tsetViewOffset( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\tif ( this.view === null ) {\n\n\t\t\tthis.view = {\n\t\t\t\tenabled: true,\n\t\t\t\tfullWidth: 1,\n\t\t\t\tfullHeight: 1,\n\t\t\t\toffsetX: 0,\n\t\t\t\toffsetY: 0,\n\t\t\t\twidth: 1,\n\t\t\t\theight: 1\n\t\t\t};\n\n\t\t}\n\n\t\tthis.view.enabled = true;\n\t\tthis.view.fullWidth = fullWidth;\n\t\tthis.view.fullHeight = fullHeight;\n\t\tthis.view.offsetX = x;\n\t\tthis.view.offsetY = y;\n\t\tthis.view.width = width;\n\t\tthis.view.height = height;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tclearViewOffset() {\n\n\t\tif ( this.view !== null ) {\n\n\t\t\tthis.view.enabled = false;\n\n\t\t}\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tupdateProjectionMatrix() {\n\n\t\tconst dx = ( this.right - this.left ) / ( 2 * this.zoom );\n\t\tconst dy = ( this.top - this.bottom ) / ( 2 * this.zoom );\n\t\tconst cx = ( this.right + this.left ) / 2;\n\t\tconst cy = ( this.top + this.bottom ) / 2;\n\n\t\tlet left = cx - dx;\n\t\tlet right = cx + dx;\n\t\tlet top = cy + dy;\n\t\tlet bottom = cy - dy;\n\n\t\tif ( this.view !== null && this.view.enabled ) {\n\n\t\t\tconst scaleW = ( this.right - this.left ) / this.view.fullWidth / this.zoom;\n\t\t\tconst scaleH = ( this.top - this.bottom ) / this.view.fullHeight / this.zoom;\n\n\t\t\tleft += scaleW * this.view.offsetX;\n\t\t\tright = left + scaleW * this.view.width;\n\t\t\ttop -= scaleH * this.view.offsetY;\n\t\t\tbottom = top - scaleH * this.view.height;\n\n\t\t}\n\n\t\tthis.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far );\n\n\t\tthis.projectionMatrixInverse.copy( this.projectionMatrix ).invert();\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.zoom = this.zoom;\n\t\tdata.object.left = this.left;\n\t\tdata.object.right = this.right;\n\t\tdata.object.top = this.top;\n\t\tdata.object.bottom = this.bottom;\n\t\tdata.object.near = this.near;\n\t\tdata.object.far = this.far;\n\n\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\treturn data;\n\n\t}\n\n}\n\nOrthographicCamera.prototype.isOrthographicCamera = true;\n\nclass RawShaderMaterial extends ShaderMaterial {\n\n\tconstructor( parameters ) {\n\n\t\tsuper( parameters );\n\n\t\tthis.type = 'RawShaderMaterial';\n\n\t}\n\n}\n\nRawShaderMaterial.prototype.isRawShaderMaterial = true;\n\nconst LOD_MIN = 4;\nconst LOD_MAX = 8;\nconst SIZE_MAX = Math.pow( 2, LOD_MAX );\n\n// The standard deviations (radians) associated with the extra mips. These are\n// chosen to approximate a Trowbridge-Reitz distribution function times the\n// geometric shadowing function. These sigma values squared must match the\n// variance #defines in cube_uv_reflection_fragment.glsl.js.\nconst EXTRA_LOD_SIGMA = [ 0.125, 0.215, 0.35, 0.446, 0.526, 0.582 ];\n\nconst TOTAL_LODS = LOD_MAX - LOD_MIN + 1 + EXTRA_LOD_SIGMA.length;\n\n// The maximum length of the blur for loop. Smaller sigmas will use fewer\n// samples and exit early, but not recompile the shader.\nconst MAX_SAMPLES = 20;\n\nconst ENCODINGS = {\n\t[ LinearEncoding ]: 0,\n\t[ sRGBEncoding ]: 1,\n\t[ RGBEEncoding ]: 2,\n\t[ RGBM7Encoding ]: 3,\n\t[ RGBM16Encoding ]: 4,\n\t[ RGBDEncoding ]: 5,\n\t[ GammaEncoding ]: 6\n};\n\nconst _flatCamera = /*@__PURE__*/ new OrthographicCamera();\nconst { _lodPlanes, _sizeLods, _sigmas } = /*@__PURE__*/ _createPlanes();\nconst _clearColor = /*@__PURE__*/ new Color();\nlet _oldTarget = null;\n\n// Golden Ratio\nconst PHI = ( 1 + Math.sqrt( 5 ) ) / 2;\nconst INV_PHI = 1 / PHI;\n\n// Vertices of a dodecahedron (except the opposites, which represent the\n// same axis), used as axis directions evenly spread on a sphere.\nconst _axisDirections = [\n\t/*@__PURE__*/ new Vector3( 1, 1, 1 ),\n\t/*@__PURE__*/ new Vector3( - 1, 1, 1 ),\n\t/*@__PURE__*/ new Vector3( 1, 1, - 1 ),\n\t/*@__PURE__*/ new Vector3( - 1, 1, - 1 ),\n\t/*@__PURE__*/ new Vector3( 0, PHI, INV_PHI ),\n\t/*@__PURE__*/ new Vector3( 0, PHI, - INV_PHI ),\n\t/*@__PURE__*/ new Vector3( INV_PHI, 0, PHI ),\n\t/*@__PURE__*/ new Vector3( - INV_PHI, 0, PHI ),\n\t/*@__PURE__*/ new Vector3( PHI, INV_PHI, 0 ),\n\t/*@__PURE__*/ new Vector3( - PHI, INV_PHI, 0 ) ];\n\n/**\n * This class generates a Prefiltered, Mipmapped Radiance Environment Map\n * (PMREM) from a cubeMap environment texture. This allows different levels of\n * blur to be quickly accessed based on material roughness. It is packed into a\n * special CubeUV format that allows us to perform custom interpolation so that\n * we can support nonlinear formats such as RGBE. Unlike a traditional mipmap\n * chain, it only goes down to the LOD_MIN level (above), and then creates extra\n * even more filtered 'mips' at the same LOD_MIN resolution, associated with\n * higher roughness levels. In this way we maintain resolution to smoothly\n * interpolate diffuse lighting while limiting sampling computation.\n *\n * Paper: Fast, Accurate Image-Based Lighting\n * https://drive.google.com/file/d/15y8r_UpKlU9SvV4ILb0C3qCPecS8pvLz/view\n*/\n\nclass PMREMGenerator {\n\n\tconstructor( renderer ) {\n\n\t\tthis._renderer = renderer;\n\t\tthis._pingPongRenderTarget = null;\n\n\t\tthis._blurMaterial = _getBlurShader( MAX_SAMPLES );\n\t\tthis._equirectShader = null;\n\t\tthis._cubemapShader = null;\n\n\t\tthis._compileMaterial( this._blurMaterial );\n\n\t}\n\n\t/**\n\t * Generates a PMREM from a supplied Scene, which can be faster than using an\n\t * image if networking bandwidth is low. Optional sigma specifies a blur radius\n\t * in radians to be applied to the scene before PMREM generation. Optional near\n\t * and far planes ensure the scene is rendered in its entirety (the cubeCamera\n\t * is placed at the origin).\n\t */\n\tfromScene( scene, sigma = 0, near = 0.1, far = 100 ) {\n\n\t\t_oldTarget = this._renderer.getRenderTarget();\n\t\tconst cubeUVRenderTarget = this._allocateTargets();\n\n\t\tthis._sceneToCubeUV( scene, near, far, cubeUVRenderTarget );\n\t\tif ( sigma > 0 ) {\n\n\t\t\tthis._blur( cubeUVRenderTarget, 0, 0, sigma );\n\n\t\t}\n\n\t\tthis._applyPMREM( cubeUVRenderTarget );\n\t\tthis._cleanup( cubeUVRenderTarget );\n\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t/**\n\t * Generates a PMREM from an equirectangular texture, which can be either LDR\n\t * (RGBFormat) or HDR (RGBEFormat). The ideal input image size is 1k (1024 x 512),\n\t * as this matches best with the 256 x 256 cubemap output.\n\t */\n\tfromEquirectangular( equirectangular ) {\n\n\t\treturn this._fromTexture( equirectangular );\n\n\t}\n\n\t/**\n\t * Generates a PMREM from an cubemap texture, which can be either LDR\n\t * (RGBFormat) or HDR (RGBEFormat). The ideal input cube size is 256 x 256,\n\t * as this matches best with the 256 x 256 cubemap output.\n\t */\n\tfromCubemap( cubemap ) {\n\n\t\treturn this._fromTexture( cubemap );\n\n\t}\n\n\t/**\n\t * Pre-compiles the cubemap shader. You can get faster start-up by invoking this method during\n\t * your texture's network fetch for increased concurrency.\n\t */\n\tcompileCubemapShader() {\n\n\t\tif ( this._cubemapShader === null ) {\n\n\t\t\tthis._cubemapShader = _getCubemapShader();\n\t\t\tthis._compileMaterial( this._cubemapShader );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Pre-compiles the equirectangular shader. You can get faster start-up by invoking this method during\n\t * your texture's network fetch for increased concurrency.\n\t */\n\tcompileEquirectangularShader() {\n\n\t\tif ( this._equirectShader === null ) {\n\n\t\t\tthis._equirectShader = _getEquirectShader();\n\t\t\tthis._compileMaterial( this._equirectShader );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Disposes of the PMREMGenerator's internal memory. Note that PMREMGenerator is a static class,\n\t * so you should not need more than one PMREMGenerator object. If you do, calling dispose() on\n\t * one of them will cause any others to also become unusable.\n\t */\n\tdispose() {\n\n\t\tthis._blurMaterial.dispose();\n\n\t\tif ( this._cubemapShader !== null ) this._cubemapShader.dispose();\n\t\tif ( this._equirectShader !== null ) this._equirectShader.dispose();\n\n\t\tfor ( let i = 0; i < _lodPlanes.length; i ++ ) {\n\n\t\t\t_lodPlanes[ i ].dispose();\n\n\t\t}\n\n\t}\n\n\t// private interface\n\n\t_cleanup( outputTarget ) {\n\n\t\tthis._pingPongRenderTarget.dispose();\n\t\tthis._renderer.setRenderTarget( _oldTarget );\n\t\toutputTarget.scissorTest = false;\n\t\t_setViewport( outputTarget, 0, 0, outputTarget.width, outputTarget.height );\n\n\t}\n\n\t_fromTexture( texture ) {\n\n\t\t_oldTarget = this._renderer.getRenderTarget();\n\t\tconst cubeUVRenderTarget = this._allocateTargets( texture );\n\t\tthis._textureToCubeUV( texture, cubeUVRenderTarget );\n\t\tthis._applyPMREM( cubeUVRenderTarget );\n\t\tthis._cleanup( cubeUVRenderTarget );\n\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t_allocateTargets( texture ) { // warning: null texture is valid\n\n\t\tconst params = {\n\t\t\tmagFilter: NearestFilter,\n\t\t\tminFilter: NearestFilter,\n\t\t\tgenerateMipmaps: false,\n\t\t\ttype: UnsignedByteType,\n\t\t\tformat: RGBEFormat,\n\t\t\tencoding: _isLDR( texture ) ? texture.encoding : RGBEEncoding,\n\t\t\tdepthBuffer: false\n\t\t};\n\n\t\tconst cubeUVRenderTarget = _createRenderTarget( params );\n\t\tcubeUVRenderTarget.depthBuffer = texture ? false : true;\n\t\tthis._pingPongRenderTarget = _createRenderTarget( params );\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t_compileMaterial( material ) {\n\n\t\tconst tmpMesh = new Mesh( _lodPlanes[ 0 ], material );\n\t\tthis._renderer.compile( tmpMesh, _flatCamera );\n\n\t}\n\n\t_sceneToCubeUV( scene, near, far, cubeUVRenderTarget ) {\n\n\t\tconst fov = 90;\n\t\tconst aspect = 1;\n\t\tconst cubeCamera = new PerspectiveCamera( fov, aspect, near, far );\n\t\tconst upSign = [ 1, - 1, 1, 1, 1, 1 ];\n\t\tconst forwardSign = [ 1, 1, 1, - 1, - 1, - 1 ];\n\t\tconst renderer = this._renderer;\n\n\t\tconst originalAutoClear = renderer.autoClear;\n\t\tconst outputEncoding = renderer.outputEncoding;\n\t\tconst toneMapping = renderer.toneMapping;\n\t\trenderer.getClearColor( _clearColor );\n\n\t\trenderer.toneMapping = NoToneMapping;\n\t\trenderer.outputEncoding = LinearEncoding;\n\t\trenderer.autoClear = false;\n\n\t\tconst backgroundMaterial = new MeshBasicMaterial( {\n\t\t\tname: 'PMREM.Background',\n\t\t\tside: BackSide,\n\t\t\tdepthWrite: false,\n\t\t\tdepthTest: false,\n\t\t} );\n\n\t\tconst backgroundBox = new Mesh( new BoxGeometry(), backgroundMaterial );\n\n\t\tlet useSolidColor = false;\n\t\tconst background = scene.background;\n\n\t\tif ( background ) {\n\n\t\t\tif ( background.isColor ) {\n\n\t\t\t\tbackgroundMaterial.color.copy( background );\n\t\t\t\tscene.background = null;\n\t\t\t\tuseSolidColor = true;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tbackgroundMaterial.color.copy( _clearColor );\n\t\t\tuseSolidColor = true;\n\n\t\t}\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst col = i % 3;\n\t\t\tif ( col == 0 ) {\n\n\t\t\t\tcubeCamera.up.set( 0, upSign[ i ], 0 );\n\t\t\t\tcubeCamera.lookAt( forwardSign[ i ], 0, 0 );\n\n\t\t\t} else if ( col == 1 ) {\n\n\t\t\t\tcubeCamera.up.set( 0, 0, upSign[ i ] );\n\t\t\t\tcubeCamera.lookAt( 0, forwardSign[ i ], 0 );\n\n\t\t\t} else {\n\n\t\t\t\tcubeCamera.up.set( 0, upSign[ i ], 0 );\n\t\t\t\tcubeCamera.lookAt( 0, 0, forwardSign[ i ] );\n\n\t\t\t}\n\n\t\t\t_setViewport( cubeUVRenderTarget,\n\t\t\t\tcol * SIZE_MAX, i > 2 ? SIZE_MAX : 0, SIZE_MAX, SIZE_MAX );\n\t\t\trenderer.setRenderTarget( cubeUVRenderTarget );\n\n\t\t\tif ( useSolidColor ) {\n\n\t\t\t\trenderer.render( backgroundBox, cubeCamera );\n\n\t\t\t}\n\n\t\t\trenderer.render( scene, cubeCamera );\n\n\t\t}\n\n\t\tbackgroundBox.geometry.dispose();\n\t\tbackgroundBox.material.dispose();\n\n\t\trenderer.toneMapping = toneMapping;\n\t\trenderer.outputEncoding = outputEncoding;\n\t\trenderer.autoClear = originalAutoClear;\n\t\tscene.background = background;\n\n\t}\n\n\t_setEncoding( uniform, texture ) {\n\n\t\t/* if ( this._renderer.capabilities.isWebGL2 === true && texture.format === RGBAFormat && texture.type === UnsignedByteType && texture.encoding === sRGBEncoding ) {\n\n\t\t\tuniform.value = ENCODINGS[ LinearEncoding ];\n\n\t\t} else {\n\n\t\t\tuniform.value = ENCODINGS[ texture.encoding ];\n\n\t\t} */\n\n\t\tuniform.value = ENCODINGS[ texture.encoding ];\n\n\t}\n\n\t_textureToCubeUV( texture, cubeUVRenderTarget ) {\n\n\t\tconst renderer = this._renderer;\n\n\t\tconst isCubeTexture = ( texture.mapping === CubeReflectionMapping || texture.mapping === CubeRefractionMapping );\n\n\t\tif ( isCubeTexture ) {\n\n\t\t\tif ( this._cubemapShader == null ) {\n\n\t\t\t\tthis._cubemapShader = _getCubemapShader();\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tif ( this._equirectShader == null ) {\n\n\t\t\t\tthis._equirectShader = _getEquirectShader();\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst material = isCubeTexture ? this._cubemapShader : this._equirectShader;\n\t\tconst mesh = new Mesh( _lodPlanes[ 0 ], material );\n\n\t\tconst uniforms = material.uniforms;\n\n\t\tuniforms[ 'envMap' ].value = texture;\n\n\t\tif ( ! isCubeTexture ) {\n\n\t\t\tuniforms[ 'texelSize' ].value.set( 1.0 / texture.image.width, 1.0 / texture.image.height );\n\n\t\t}\n\n\t\tthis._setEncoding( uniforms[ 'inputEncoding' ], texture );\n\t\tthis._setEncoding( uniforms[ 'outputEncoding' ], cubeUVRenderTarget.texture );\n\n\t\t_setViewport( cubeUVRenderTarget, 0, 0, 3 * SIZE_MAX, 2 * SIZE_MAX );\n\n\t\trenderer.setRenderTarget( cubeUVRenderTarget );\n\t\trenderer.render( mesh, _flatCamera );\n\n\t}\n\n\t_applyPMREM( cubeUVRenderTarget ) {\n\n\t\tconst renderer = this._renderer;\n\t\tconst autoClear = renderer.autoClear;\n\t\trenderer.autoClear = false;\n\n\t\tfor ( let i = 1; i < TOTAL_LODS; i ++ ) {\n\n\t\t\tconst sigma = Math.sqrt( _sigmas[ i ] * _sigmas[ i ] - _sigmas[ i - 1 ] * _sigmas[ i - 1 ] );\n\n\t\t\tconst poleAxis = _axisDirections[ ( i - 1 ) % _axisDirections.length ];\n\n\t\t\tthis._blur( cubeUVRenderTarget, i - 1, i, sigma, poleAxis );\n\n\t\t}\n\n\t\trenderer.autoClear = autoClear;\n\n\t}\n\n\t/**\n\t * This is a two-pass Gaussian blur for a cubemap. Normally this is done\n\t * vertically and horizontally, but this breaks down on a cube. Here we apply\n\t * the blur latitudinally (around the poles), and then longitudinally (towards\n\t * the poles) to approximate the orthogonally-separable blur. It is least\n\t * accurate at the poles, but still does a decent job.\n\t */\n\t_blur( cubeUVRenderTarget, lodIn, lodOut, sigma, poleAxis ) {\n\n\t\tconst pingPongRenderTarget = this._pingPongRenderTarget;\n\n\t\tthis._halfBlur(\n\t\t\tcubeUVRenderTarget,\n\t\t\tpingPongRenderTarget,\n\t\t\tlodIn,\n\t\t\tlodOut,\n\t\t\tsigma,\n\t\t\t'latitudinal',\n\t\t\tpoleAxis );\n\n\t\tthis._halfBlur(\n\t\t\tpingPongRenderTarget,\n\t\t\tcubeUVRenderTarget,\n\t\t\tlodOut,\n\t\t\tlodOut,\n\t\t\tsigma,\n\t\t\t'longitudinal',\n\t\t\tpoleAxis );\n\n\t}\n\n\t_halfBlur( targetIn, targetOut, lodIn, lodOut, sigmaRadians, direction, poleAxis ) {\n\n\t\tconst renderer = this._renderer;\n\t\tconst blurMaterial = this._blurMaterial;\n\n\t\tif ( direction !== 'latitudinal' && direction !== 'longitudinal' ) {\n\n\t\t\tconsole.error(\n\t\t\t\t'blur direction must be either latitudinal or longitudinal!' );\n\n\t\t}\n\n\t\t// Number of standard deviations at which to cut off the discrete approximation.\n\t\tconst STANDARD_DEVIATIONS = 3;\n\n\t\tconst blurMesh = new Mesh( _lodPlanes[ lodOut ], blurMaterial );\n\t\tconst blurUniforms = blurMaterial.uniforms;\n\n\t\tconst pixels = _sizeLods[ lodIn ] - 1;\n\t\tconst radiansPerPixel = isFinite( sigmaRadians ) ? Math.PI / ( 2 * pixels ) : 2 * Math.PI / ( 2 * MAX_SAMPLES - 1 );\n\t\tconst sigmaPixels = sigmaRadians / radiansPerPixel;\n\t\tconst samples = isFinite( sigmaRadians ) ? 1 + Math.floor( STANDARD_DEVIATIONS * sigmaPixels ) : MAX_SAMPLES;\n\n\t\tif ( samples > MAX_SAMPLES ) {\n\n\t\t\tconsole.warn( `sigmaRadians, ${\n\t\t\t\tsigmaRadians}, is too large and will clip, as it requested ${\n\t\t\t\tsamples} samples when the maximum is set to ${MAX_SAMPLES}` );\n\n\t\t}\n\n\t\tconst weights = [];\n\t\tlet sum = 0;\n\n\t\tfor ( let i = 0; i < MAX_SAMPLES; ++ i ) {\n\n\t\t\tconst x = i / sigmaPixels;\n\t\t\tconst weight = Math.exp( - x * x / 2 );\n\t\t\tweights.push( weight );\n\n\t\t\tif ( i == 0 ) {\n\n\t\t\t\tsum += weight;\n\n\t\t\t} else if ( i < samples ) {\n\n\t\t\t\tsum += 2 * weight;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfor ( let i = 0; i < weights.length; i ++ ) {\n\n\t\t\tweights[ i ] = weights[ i ] / sum;\n\n\t\t}\n\n\t\tblurUniforms[ 'envMap' ].value = targetIn.texture;\n\t\tblurUniforms[ 'samples' ].value = samples;\n\t\tblurUniforms[ 'weights' ].value = weights;\n\t\tblurUniforms[ 'latitudinal' ].value = direction === 'latitudinal';\n\n\t\tif ( poleAxis ) {\n\n\t\t\tblurUniforms[ 'poleAxis' ].value = poleAxis;\n\n\t\t}\n\n\t\tblurUniforms[ 'dTheta' ].value = radiansPerPixel;\n\t\tblurUniforms[ 'mipInt' ].value = LOD_MAX - lodIn;\n\n\t\tthis._setEncoding( blurUniforms[ 'inputEncoding' ], targetIn.texture );\n\t\tthis._setEncoding( blurUniforms[ 'outputEncoding' ], targetIn.texture );\n\n\t\tconst outputSize = _sizeLods[ lodOut ];\n\t\tconst x = 3 * Math.max( 0, SIZE_MAX - 2 * outputSize );\n\t\tconst y = ( lodOut === 0 ? 0 : 2 * SIZE_MAX ) + 2 * outputSize * ( lodOut > LOD_MAX - LOD_MIN ? lodOut - LOD_MAX + LOD_MIN : 0 );\n\n\t\t_setViewport( targetOut, x, y, 3 * outputSize, 2 * outputSize );\n\t\trenderer.setRenderTarget( targetOut );\n\t\trenderer.render( blurMesh, _flatCamera );\n\n\t}\n\n}\n\nfunction _isLDR( texture ) {\n\n\tif ( texture === undefined || texture.type !== UnsignedByteType ) return false;\n\n\treturn texture.encoding === LinearEncoding || texture.encoding === sRGBEncoding || texture.encoding === GammaEncoding;\n\n}\n\nfunction _createPlanes() {\n\n\tconst _lodPlanes = [];\n\tconst _sizeLods = [];\n\tconst _sigmas = [];\n\n\tlet lod = LOD_MAX;\n\n\tfor ( let i = 0; i < TOTAL_LODS; i ++ ) {\n\n\t\tconst sizeLod = Math.pow( 2, lod );\n\t\t_sizeLods.push( sizeLod );\n\t\tlet sigma = 1.0 / sizeLod;\n\n\t\tif ( i > LOD_MAX - LOD_MIN ) {\n\n\t\t\tsigma = EXTRA_LOD_SIGMA[ i - LOD_MAX + LOD_MIN - 1 ];\n\n\t\t} else if ( i == 0 ) {\n\n\t\t\tsigma = 0;\n\n\t\t}\n\n\t\t_sigmas.push( sigma );\n\n\t\tconst texelSize = 1.0 / ( sizeLod - 1 );\n\t\tconst min = - texelSize / 2;\n\t\tconst max = 1 + texelSize / 2;\n\t\tconst uv1 = [ min, min, max, min, max, max, min, min, max, max, min, max ];\n\n\t\tconst cubeFaces = 6;\n\t\tconst vertices = 6;\n\t\tconst positionSize = 3;\n\t\tconst uvSize = 2;\n\t\tconst faceIndexSize = 1;\n\n\t\tconst position = new Float32Array( positionSize * vertices * cubeFaces );\n\t\tconst uv = new Float32Array( uvSize * vertices * cubeFaces );\n\t\tconst faceIndex = new Float32Array( faceIndexSize * vertices * cubeFaces );\n\n\t\tfor ( let face = 0; face < cubeFaces; face ++ ) {\n\n\t\t\tconst x = ( face % 3 ) * 2 / 3 - 1;\n\t\t\tconst y = face > 2 ? 0 : - 1;\n\t\t\tconst coordinates = [\n\t\t\t\tx, y, 0,\n\t\t\t\tx + 2 / 3, y, 0,\n\t\t\t\tx + 2 / 3, y + 1, 0,\n\t\t\t\tx, y, 0,\n\t\t\t\tx + 2 / 3, y + 1, 0,\n\t\t\t\tx, y + 1, 0\n\t\t\t];\n\t\t\tposition.set( coordinates, positionSize * vertices * face );\n\t\t\tuv.set( uv1, uvSize * vertices * face );\n\t\t\tconst fill = [ face, face, face, face, face, face ];\n\t\t\tfaceIndex.set( fill, faceIndexSize * vertices * face );\n\n\t\t}\n\n\t\tconst planes = new BufferGeometry();\n\t\tplanes.setAttribute( 'position', new BufferAttribute( position, positionSize ) );\n\t\tplanes.setAttribute( 'uv', new BufferAttribute( uv, uvSize ) );\n\t\tplanes.setAttribute( 'faceIndex', new BufferAttribute( faceIndex, faceIndexSize ) );\n\t\t_lodPlanes.push( planes );\n\n\t\tif ( lod > LOD_MIN ) {\n\n\t\t\tlod --;\n\n\t\t}\n\n\t}\n\n\treturn { _lodPlanes, _sizeLods, _sigmas };\n\n}\n\nfunction _createRenderTarget( params ) {\n\n\tconst cubeUVRenderTarget = new WebGLRenderTarget( 3 * SIZE_MAX, 3 * SIZE_MAX, params );\n\tcubeUVRenderTarget.texture.mapping = CubeUVReflectionMapping;\n\tcubeUVRenderTarget.texture.name = 'PMREM.cubeUv';\n\tcubeUVRenderTarget.scissorTest = true;\n\treturn cubeUVRenderTarget;\n\n}\n\nfunction _setViewport( target, x, y, width, height ) {\n\n\ttarget.viewport.set( x, y, width, height );\n\ttarget.scissor.set( x, y, width, height );\n\n}\n\nfunction _getBlurShader( maxSamples ) {\n\n\tconst weights = new Float32Array( maxSamples );\n\tconst poleAxis = new Vector3( 0, 1, 0 );\n\tconst shaderMaterial = new RawShaderMaterial( {\n\n\t\tname: 'SphericalGaussianBlur',\n\n\t\tdefines: { 'n': maxSamples },\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null },\n\t\t\t'samples': { value: 1 },\n\t\t\t'weights': { value: weights },\n\t\t\t'latitudinal': { value: false },\n\t\t\t'dTheta': { value: 0 },\n\t\t\t'mipInt': { value: 0 },\n\t\t\t'poleAxis': { value: poleAxis },\n\t\t\t'inputEncoding': { value: ENCODINGS[ LinearEncoding ] },\n\t\t\t'outputEncoding': { value: ENCODINGS[ LinearEncoding ] }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t${ _getEncodings() }\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include \n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n\treturn shaderMaterial;\n\n}\n\nfunction _getEquirectShader() {\n\n\tconst texelSize = new Vector2( 1, 1 );\n\tconst shaderMaterial = new RawShaderMaterial( {\n\n\t\tname: 'EquirectangularToCubeUV',\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null },\n\t\t\t'texelSize': { value: texelSize },\n\t\t\t'inputEncoding': { value: ENCODINGS[ LinearEncoding ] },\n\t\t\t'outputEncoding': { value: ENCODINGS[ LinearEncoding ] }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform vec2 texelSize;\n\n\t\t\t${ _getEncodings() }\n\n\t\t\t#include \n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tvec2 f = fract( uv / texelSize - 0.5 );\n\t\t\t\tuv -= f * texelSize;\n\t\t\t\tvec3 tl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.x += texelSize.x;\n\t\t\t\tvec3 tr = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.y += texelSize.y;\n\t\t\t\tvec3 br = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.x -= texelSize.x;\n\t\t\t\tvec3 bl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\n\t\t\t\tvec3 tm = mix( tl, tr, f.x );\n\t\t\t\tvec3 bm = mix( bl, br, f.x );\n\t\t\t\tgl_FragColor.rgb = mix( tm, bm, f.y );\n\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n\treturn shaderMaterial;\n\n}\n\nfunction _getCubemapShader() {\n\n\tconst shaderMaterial = new RawShaderMaterial( {\n\n\t\tname: 'CubemapToCubeUV',\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null },\n\t\t\t'inputEncoding': { value: ENCODINGS[ LinearEncoding ] },\n\t\t\t'outputEncoding': { value: ENCODINGS[ LinearEncoding ] }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\t${ _getEncodings() }\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb = envMapTexelToLinear( textureCube( envMap, vec3( - vOutputDirection.x, vOutputDirection.yz ) ) ).rgb;\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n\treturn shaderMaterial;\n\n}\n\nfunction _getCommonVertexShader() {\n\n\treturn /* glsl */`\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute vec3 position;\n\t\tattribute vec2 uv;\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t`;\n\n}\n\nfunction _getEncodings() {\n\n\treturn /* glsl */`\n\n\t\tuniform int inputEncoding;\n\t\tuniform int outputEncoding;\n\n\t\t#include \n\n\t\tvec4 inputTexelToLinear( vec4 value ) {\n\n\t\t\tif ( inputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( inputEncoding == 1 ) {\n\n\t\t\t\treturn sRGBToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 2 ) {\n\n\t\t\t\treturn RGBEToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 3 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 7.0 );\n\n\t\t\t} else if ( inputEncoding == 4 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 16.0 );\n\n\t\t\t} else if ( inputEncoding == 5 ) {\n\n\t\t\t\treturn RGBDToLinear( value, 256.0 );\n\n\t\t\t} else {\n\n\t\t\t\treturn GammaToLinear( value, 2.2 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tvec4 linearToOutputTexel( vec4 value ) {\n\n\t\t\tif ( outputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( outputEncoding == 1 ) {\n\n\t\t\t\treturn LinearTosRGB( value );\n\n\t\t\t} else if ( outputEncoding == 2 ) {\n\n\t\t\t\treturn LinearToRGBE( value );\n\n\t\t\t} else if ( outputEncoding == 3 ) {\n\n\t\t\t\treturn LinearToRGBM( value, 7.0 );\n\n\t\t\t} else if ( outputEncoding == 4 ) {\n\n\t\t\t\treturn LinearToRGBM( value, 16.0 );\n\n\t\t\t} else if ( outputEncoding == 5 ) {\n\n\t\t\t\treturn LinearToRGBD( value, 256.0 );\n\n\t\t\t} else {\n\n\t\t\t\treturn LinearToGamma( value, 2.2 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tvec4 envMapTexelToLinear( vec4 color ) {\n\n\t\t\treturn inputTexelToLinear( color );\n\n\t\t}\n\t`;\n\n}\n\nfunction WebGLCubeUVMaps( renderer ) {\n\n\tlet cubeUVmaps = new WeakMap();\n\n\tlet pmremGenerator = null;\n\n\tfunction get( texture ) {\n\n\t\tif ( texture && texture.isTexture && texture.isRenderTargetTexture === false ) {\n\n\t\t\tconst mapping = texture.mapping;\n\n\t\t\tconst isEquirectMap = ( mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping );\n\t\t\tconst isCubeMap = ( mapping === CubeReflectionMapping || mapping === CubeRefractionMapping );\n\n\t\t\tif ( isEquirectMap || isCubeMap ) {\n\n\t\t\t\t// equirect/cube map to cubeUV conversion\n\n\t\t\t\tif ( cubeUVmaps.has( texture ) ) {\n\n\t\t\t\t\treturn cubeUVmaps.get( texture ).texture;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst image = texture.image;\n\n\t\t\t\t\tif ( ( isEquirectMap && image && image.height > 0 ) || ( isCubeMap && image && isCubeTextureComplete( image ) ) ) {\n\n\t\t\t\t\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\t\t\t\t\tif ( pmremGenerator === null ) pmremGenerator = new PMREMGenerator( renderer );\n\n\t\t\t\t\t\tconst renderTarget = isEquirectMap ? pmremGenerator.fromEquirectangular( texture ) : pmremGenerator.fromCubemap( texture );\n\t\t\t\t\t\tcubeUVmaps.set( texture, renderTarget );\n\n\t\t\t\t\t\trenderer.setRenderTarget( currentRenderTarget );\n\n\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\treturn renderTarget.texture;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// image not yet ready. try the conversion next frame\n\n\t\t\t\t\t\treturn null;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction isCubeTextureComplete( image ) {\n\n\t\tlet count = 0;\n\t\tconst length = 6;\n\n\t\tfor ( let i = 0; i < length; i ++ ) {\n\n\t\t\tif ( image[ i ] !== undefined ) count ++;\n\n\t\t}\n\n\t\treturn count === length;\n\n\n\t}\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tconst cubemapUV = cubeUVmaps.get( texture );\n\n\t\tif ( cubemapUV !== undefined ) {\n\n\t\t\tcubeUVmaps.delete( texture );\n\t\t\tcubemapUV.dispose();\n\n\t\t}\n\n\t}\n\n\tfunction dispose() {\n\n\t\tcubeUVmaps = new WeakMap();\n\n\t\tif ( pmremGenerator !== null ) {\n\n\t\t\tpmremGenerator.dispose();\n\t\t\tpmremGenerator = null;\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction WebGLExtensions( gl ) {\n\n\tconst extensions = {};\n\n\tfunction getExtension( name ) {\n\n\t\tif ( extensions[ name ] !== undefined ) {\n\n\t\t\treturn extensions[ name ];\n\n\t\t}\n\n\t\tlet extension;\n\n\t\tswitch ( name ) {\n\n\t\t\tcase 'WEBGL_depth_texture':\n\t\t\t\textension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' );\n\t\t\t\tbreak;\n\n\t\t\tcase 'EXT_texture_filter_anisotropic':\n\t\t\t\textension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' );\n\t\t\t\tbreak;\n\n\t\t\tcase 'WEBGL_compressed_texture_s3tc':\n\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' );\n\t\t\t\tbreak;\n\n\t\t\tcase 'WEBGL_compressed_texture_pvrtc':\n\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' );\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\textension = gl.getExtension( name );\n\n\t\t}\n\n\t\textensions[ name ] = extension;\n\n\t\treturn extension;\n\n\t}\n\n\treturn {\n\n\t\thas: function ( name ) {\n\n\t\t\treturn getExtension( name ) !== null;\n\n\t\t},\n\n\t\tinit: function ( capabilities ) {\n\n\t\t\tif ( capabilities.isWebGL2 ) {\n\n\t\t\t\tgetExtension( 'EXT_color_buffer_float' );\n\n\t\t\t} else {\n\n\t\t\t\tgetExtension( 'WEBGL_depth_texture' );\n\t\t\t\tgetExtension( 'OES_texture_float' );\n\t\t\t\tgetExtension( 'OES_texture_half_float' );\n\t\t\t\tgetExtension( 'OES_texture_half_float_linear' );\n\t\t\t\tgetExtension( 'OES_standard_derivatives' );\n\t\t\t\tgetExtension( 'OES_element_index_uint' );\n\t\t\t\tgetExtension( 'OES_vertex_array_object' );\n\t\t\t\tgetExtension( 'ANGLE_instanced_arrays' );\n\n\t\t\t}\n\n\t\t\tgetExtension( 'OES_texture_float_linear' );\n\t\t\tgetExtension( 'EXT_color_buffer_half_float' );\n\t\t\tgetExtension( 'WEBGL_multisampled_render_to_texture' );\n\n\t\t},\n\n\t\tget: function ( name ) {\n\n\t\t\tconst extension = getExtension( name );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' );\n\n\t\t\t}\n\n\t\t\treturn extension;\n\n\t\t}\n\n\t};\n\n}\n\nfunction WebGLGeometries( gl, attributes, info, bindingStates ) {\n\n\tconst geometries = {};\n\tconst wireframeAttributes = new WeakMap();\n\n\tfunction onGeometryDispose( event ) {\n\n\t\tconst geometry = event.target;\n\n\t\tif ( geometry.index !== null ) {\n\n\t\t\tattributes.remove( geometry.index );\n\n\t\t}\n\n\t\tfor ( const name in geometry.attributes ) {\n\n\t\t\tattributes.remove( geometry.attributes[ name ] );\n\n\t\t}\n\n\t\tgeometry.removeEventListener( 'dispose', onGeometryDispose );\n\n\t\tdelete geometries[ geometry.id ];\n\n\t\tconst attribute = wireframeAttributes.get( geometry );\n\n\t\tif ( attribute ) {\n\n\t\t\tattributes.remove( attribute );\n\t\t\twireframeAttributes.delete( geometry );\n\n\t\t}\n\n\t\tbindingStates.releaseStatesOfGeometry( geometry );\n\n\t\tif ( geometry.isInstancedBufferGeometry === true ) {\n\n\t\t\tdelete geometry._maxInstanceCount;\n\n\t\t}\n\n\t\t//\n\n\t\tinfo.memory.geometries --;\n\n\t}\n\n\tfunction get( object, geometry ) {\n\n\t\tif ( geometries[ geometry.id ] === true ) return geometry;\n\n\t\tgeometry.addEventListener( 'dispose', onGeometryDispose );\n\n\t\tgeometries[ geometry.id ] = true;\n\n\t\tinfo.memory.geometries ++;\n\n\t\treturn geometry;\n\n\t}\n\n\tfunction update( geometry ) {\n\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\t// Updating index buffer in VAO now. See WebGLBindingStates.\n\n\t\tfor ( const name in geometryAttributes ) {\n\n\t\t\tattributes.update( geometryAttributes[ name ], 34962 );\n\n\t\t}\n\n\t\t// morph targets\n\n\t\tconst morphAttributes = geometry.morphAttributes;\n\n\t\tfor ( const name in morphAttributes ) {\n\n\t\t\tconst array = morphAttributes[ name ];\n\n\t\t\tfor ( let i = 0, l = array.length; i < l; i ++ ) {\n\n\t\t\t\tattributes.update( array[ i ], 34962 );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction updateWireframeAttribute( geometry ) {\n\n\t\tconst indices = [];\n\n\t\tconst geometryIndex = geometry.index;\n\t\tconst geometryPosition = geometry.attributes.position;\n\t\tlet version = 0;\n\n\t\tif ( geometryIndex !== null ) {\n\n\t\t\tconst array = geometryIndex.array;\n\t\t\tversion = geometryIndex.version;\n\n\t\t\tfor ( let i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\tconst a = array[ i + 0 ];\n\t\t\t\tconst b = array[ i + 1 ];\n\t\t\t\tconst c = array[ i + 2 ];\n\n\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst array = geometryPosition.array;\n\t\t\tversion = geometryPosition.version;\n\n\t\t\tfor ( let i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) {\n\n\t\t\t\tconst a = i + 0;\n\t\t\t\tconst b = i + 1;\n\t\t\t\tconst c = i + 2;\n\n\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst attribute = new ( arrayMax( indices ) > 65535 ? Uint32BufferAttribute : Uint16BufferAttribute )( indices, 1 );\n\t\tattribute.version = version;\n\n\t\t// Updating index buffer in VAO now. See WebGLBindingStates\n\n\t\t//\n\n\t\tconst previousAttribute = wireframeAttributes.get( geometry );\n\n\t\tif ( previousAttribute ) attributes.remove( previousAttribute );\n\n\t\t//\n\n\t\twireframeAttributes.set( geometry, attribute );\n\n\t}\n\n\tfunction getWireframeAttribute( geometry ) {\n\n\t\tconst currentAttribute = wireframeAttributes.get( geometry );\n\n\t\tif ( currentAttribute ) {\n\n\t\t\tconst geometryIndex = geometry.index;\n\n\t\t\tif ( geometryIndex !== null ) {\n\n\t\t\t\t// if the attribute is obsolete, create a new one\n\n\t\t\t\tif ( currentAttribute.version < geometryIndex.version ) {\n\n\t\t\t\t\tupdateWireframeAttribute( geometry );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tupdateWireframeAttribute( geometry );\n\n\t\t}\n\n\t\treturn wireframeAttributes.get( geometry );\n\n\t}\n\n\treturn {\n\n\t\tget: get,\n\t\tupdate: update,\n\n\t\tgetWireframeAttribute: getWireframeAttribute\n\n\t};\n\n}\n\nfunction WebGLIndexedBufferRenderer( gl, extensions, info, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tlet mode;\n\n\tfunction setMode( value ) {\n\n\t\tmode = value;\n\n\t}\n\n\tlet type, bytesPerElement;\n\n\tfunction setIndex( value ) {\n\n\t\ttype = value.type;\n\t\tbytesPerElement = value.bytesPerElement;\n\n\t}\n\n\tfunction render( start, count ) {\n\n\t\tgl.drawElements( mode, count, type, start * bytesPerElement );\n\n\t\tinfo.update( count, mode, 1 );\n\n\t}\n\n\tfunction renderInstances( start, count, primcount ) {\n\n\t\tif ( primcount === 0 ) return;\n\n\t\tlet extension, methodName;\n\n\t\tif ( isWebGL2 ) {\n\n\t\t\textension = gl;\n\t\t\tmethodName = 'drawElementsInstanced';\n\n\t\t} else {\n\n\t\t\textension = extensions.get( 'ANGLE_instanced_arrays' );\n\t\t\tmethodName = 'drawElementsInstancedANGLE';\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLIndexedBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\textension[ methodName ]( mode, count, type, start * bytesPerElement, primcount );\n\n\t\tinfo.update( count, mode, primcount );\n\n\t}\n\n\t//\n\n\tthis.setMode = setMode;\n\tthis.setIndex = setIndex;\n\tthis.render = render;\n\tthis.renderInstances = renderInstances;\n\n}\n\nfunction WebGLInfo( gl ) {\n\n\tconst memory = {\n\t\tgeometries: 0,\n\t\ttextures: 0\n\t};\n\n\tconst render = {\n\t\tframe: 0,\n\t\tcalls: 0,\n\t\ttriangles: 0,\n\t\tpoints: 0,\n\t\tlines: 0\n\t};\n\n\tfunction update( count, mode, instanceCount ) {\n\n\t\trender.calls ++;\n\n\t\tswitch ( mode ) {\n\n\t\t\tcase 4:\n\t\t\t\trender.triangles += instanceCount * ( count / 3 );\n\t\t\t\tbreak;\n\n\t\t\tcase 1:\n\t\t\t\trender.lines += instanceCount * ( count / 2 );\n\t\t\t\tbreak;\n\n\t\t\tcase 3:\n\t\t\t\trender.lines += instanceCount * ( count - 1 );\n\t\t\t\tbreak;\n\n\t\t\tcase 2:\n\t\t\t\trender.lines += instanceCount * count;\n\t\t\t\tbreak;\n\n\t\t\tcase 0:\n\t\t\t\trender.points += instanceCount * count;\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tconsole.error( 'THREE.WebGLInfo: Unknown draw mode:', mode );\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\tfunction reset() {\n\n\t\trender.frame ++;\n\t\trender.calls = 0;\n\t\trender.triangles = 0;\n\t\trender.points = 0;\n\t\trender.lines = 0;\n\n\t}\n\n\treturn {\n\t\tmemory: memory,\n\t\trender: render,\n\t\tprograms: null,\n\t\tautoReset: true,\n\t\treset: reset,\n\t\tupdate: update\n\t};\n\n}\n\nclass DataTexture2DArray extends Texture {\n\n\tconstructor( data = null, width = 1, height = 1, depth = 1 ) {\n\n\t\tsuper( null );\n\n\t\tthis.image = { data, width, height, depth };\n\n\t\tthis.magFilter = NearestFilter;\n\t\tthis.minFilter = NearestFilter;\n\n\t\tthis.wrapR = ClampToEdgeWrapping;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nDataTexture2DArray.prototype.isDataTexture2DArray = true;\n\nfunction numericalSort( a, b ) {\n\n\treturn a[ 0 ] - b[ 0 ];\n\n}\n\nfunction absNumericalSort( a, b ) {\n\n\treturn Math.abs( b[ 1 ] ) - Math.abs( a[ 1 ] );\n\n}\n\nfunction denormalize( morph, attribute ) {\n\n\tlet denominator = 1;\n\tconst array = attribute.isInterleavedBufferAttribute ? attribute.data.array : attribute.array;\n\n\tif ( array instanceof Int8Array ) denominator = 127;\n\telse if ( array instanceof Int16Array ) denominator = 32767;\n\telse if ( array instanceof Int32Array ) denominator = 2147483647;\n\telse console.error( 'THREE.WebGLMorphtargets: Unsupported morph attribute data type: ', array );\n\n\tmorph.divideScalar( denominator );\n\n}\n\nfunction WebGLMorphtargets( gl, capabilities, textures ) {\n\n\tconst influencesList = {};\n\tconst morphInfluences = new Float32Array( 8 );\n\tconst morphTextures = new WeakMap();\n\tconst morph = new Vector3();\n\n\tconst workInfluences = [];\n\n\tfor ( let i = 0; i < 8; i ++ ) {\n\n\t\tworkInfluences[ i ] = [ i, 0 ];\n\n\t}\n\n\tfunction update( object, geometry, material, program ) {\n\n\t\tconst objectInfluences = object.morphTargetInfluences;\n\n\t\tif ( capabilities.isWebGL2 === true ) {\n\n\t\t\t// instead of using attributes, the WebGL 2 code path encodes morph targets\n\t\t\t// into an array of data textures. Each layer represents a single morph target.\n\n\t\t\tconst numberOfMorphTargets = geometry.morphAttributes.position.length;\n\n\t\t\tlet entry = morphTextures.get( geometry );\n\n\t\t\tif ( entry === undefined || entry.count !== numberOfMorphTargets ) {\n\n\t\t\t\tif ( entry !== undefined ) entry.texture.dispose();\n\n\t\t\t\tconst hasMorphNormals = geometry.morphAttributes.normal !== undefined;\n\n\t\t\t\tconst morphTargets = geometry.morphAttributes.position;\n\t\t\t\tconst morphNormals = geometry.morphAttributes.normal || [];\n\n\t\t\t\tconst numberOfVertices = geometry.attributes.position.count;\n\t\t\t\tconst numberOfVertexData = ( hasMorphNormals === true ) ? 2 : 1; // (v,n) vs. (v)\n\n\t\t\t\tlet width = numberOfVertices * numberOfVertexData;\n\t\t\t\tlet height = 1;\n\n\t\t\t\tif ( width > capabilities.maxTextureSize ) {\n\n\t\t\t\t\theight = Math.ceil( width / capabilities.maxTextureSize );\n\t\t\t\t\twidth = capabilities.maxTextureSize;\n\n\t\t\t\t}\n\n\t\t\t\tconst buffer = new Float32Array( width * height * 4 * numberOfMorphTargets );\n\n\t\t\t\tconst texture = new DataTexture2DArray( buffer, width, height, numberOfMorphTargets );\n\t\t\t\ttexture.format = RGBAFormat; // using RGBA since RGB might be emulated (and is thus slower)\n\t\t\t\ttexture.type = FloatType;\n\n\t\t\t\t// fill buffer\n\n\t\t\t\tconst vertexDataStride = numberOfVertexData * 4;\n\n\t\t\t\tfor ( let i = 0; i < numberOfMorphTargets; i ++ ) {\n\n\t\t\t\t\tconst morphTarget = morphTargets[ i ];\n\t\t\t\t\tconst morphNormal = morphNormals[ i ];\n\n\t\t\t\t\tconst offset = width * height * 4 * i;\n\n\t\t\t\t\tfor ( let j = 0; j < morphTarget.count; j ++ ) {\n\n\t\t\t\t\t\tmorph.fromBufferAttribute( morphTarget, j );\n\n\t\t\t\t\t\tif ( morphTarget.normalized === true ) denormalize( morph, morphTarget );\n\n\t\t\t\t\t\tconst stride = j * vertexDataStride;\n\n\t\t\t\t\t\tbuffer[ offset + stride + 0 ] = morph.x;\n\t\t\t\t\t\tbuffer[ offset + stride + 1 ] = morph.y;\n\t\t\t\t\t\tbuffer[ offset + stride + 2 ] = morph.z;\n\t\t\t\t\t\tbuffer[ offset + stride + 3 ] = 0;\n\n\t\t\t\t\t\tif ( hasMorphNormals === true ) {\n\n\t\t\t\t\t\t\tmorph.fromBufferAttribute( morphNormal, j );\n\n\t\t\t\t\t\t\tif ( morphNormal.normalized === true ) denormalize( morph, morphNormal );\n\n\t\t\t\t\t\t\tbuffer[ offset + stride + 4 ] = morph.x;\n\t\t\t\t\t\t\tbuffer[ offset + stride + 5 ] = morph.y;\n\t\t\t\t\t\t\tbuffer[ offset + stride + 6 ] = morph.z;\n\t\t\t\t\t\t\tbuffer[ offset + stride + 7 ] = 0;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tentry = {\n\t\t\t\t\tcount: numberOfMorphTargets,\n\t\t\t\t\ttexture: texture,\n\t\t\t\t\tsize: new Vector2( width, height )\n\t\t\t\t};\n\n\t\t\t\tmorphTextures.set( geometry, entry );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tlet morphInfluencesSum = 0;\n\n\t\t\tfor ( let i = 0; i < objectInfluences.length; i ++ ) {\n\n\t\t\t\tmorphInfluencesSum += objectInfluences[ i ];\n\n\t\t\t}\n\n\t\t\tconst morphBaseInfluence = geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum;\n\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetBaseInfluence', morphBaseInfluence );\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetInfluences', objectInfluences );\n\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetsTexture', entry.texture, textures );\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetsTextureSize', entry.size );\n\n\n\t\t} else {\n\n\t\t\t// When object doesn't have morph target influences defined, we treat it as a 0-length array\n\t\t\t// This is important to make sure we set up morphTargetBaseInfluence / morphTargetInfluences\n\n\t\t\tconst length = objectInfluences === undefined ? 0 : objectInfluences.length;\n\n\t\t\tlet influences = influencesList[ geometry.id ];\n\n\t\t\tif ( influences === undefined || influences.length !== length ) {\n\n\t\t\t\t// initialise list\n\n\t\t\t\tinfluences = [];\n\n\t\t\t\tfor ( let i = 0; i < length; i ++ ) {\n\n\t\t\t\t\tinfluences[ i ] = [ i, 0 ];\n\n\t\t\t\t}\n\n\t\t\t\tinfluencesList[ geometry.id ] = influences;\n\n\t\t\t}\n\n\t\t\t// Collect influences\n\n\t\t\tfor ( let i = 0; i < length; i ++ ) {\n\n\t\t\t\tconst influence = influences[ i ];\n\n\t\t\t\tinfluence[ 0 ] = i;\n\t\t\t\tinfluence[ 1 ] = objectInfluences[ i ];\n\n\t\t\t}\n\n\t\t\tinfluences.sort( absNumericalSort );\n\n\t\t\tfor ( let i = 0; i < 8; i ++ ) {\n\n\t\t\t\tif ( i < length && influences[ i ][ 1 ] ) {\n\n\t\t\t\t\tworkInfluences[ i ][ 0 ] = influences[ i ][ 0 ];\n\t\t\t\t\tworkInfluences[ i ][ 1 ] = influences[ i ][ 1 ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\tworkInfluences[ i ][ 0 ] = Number.MAX_SAFE_INTEGER;\n\t\t\t\t\tworkInfluences[ i ][ 1 ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tworkInfluences.sort( numericalSort );\n\n\t\t\tconst morphTargets = geometry.morphAttributes.position;\n\t\t\tconst morphNormals = geometry.morphAttributes.normal;\n\n\t\t\tlet morphInfluencesSum = 0;\n\n\t\t\tfor ( let i = 0; i < 8; i ++ ) {\n\n\t\t\t\tconst influence = workInfluences[ i ];\n\t\t\t\tconst index = influence[ 0 ];\n\t\t\t\tconst value = influence[ 1 ];\n\n\t\t\t\tif ( index !== Number.MAX_SAFE_INTEGER && value ) {\n\n\t\t\t\t\tif ( morphTargets && geometry.getAttribute( 'morphTarget' + i ) !== morphTargets[ index ] ) {\n\n\t\t\t\t\t\tgeometry.setAttribute( 'morphTarget' + i, morphTargets[ index ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( morphNormals && geometry.getAttribute( 'morphNormal' + i ) !== morphNormals[ index ] ) {\n\n\t\t\t\t\t\tgeometry.setAttribute( 'morphNormal' + i, morphNormals[ index ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tmorphInfluences[ i ] = value;\n\t\t\t\t\tmorphInfluencesSum += value;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( morphTargets && geometry.hasAttribute( 'morphTarget' + i ) === true ) {\n\n\t\t\t\t\t\tgeometry.deleteAttribute( 'morphTarget' + i );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( morphNormals && geometry.hasAttribute( 'morphNormal' + i ) === true ) {\n\n\t\t\t\t\t\tgeometry.deleteAttribute( 'morphNormal' + i );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tmorphInfluences[ i ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// GLSL shader uses formula baseinfluence * base + sum(target * influence)\n\t\t\t// This allows us to switch between absolute morphs and relative morphs without changing shader code\n\t\t\t// When baseinfluence = 1 - sum(influence), the above is equivalent to sum((target - base) * influence)\n\t\t\tconst morphBaseInfluence = geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum;\n\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetBaseInfluence', morphBaseInfluence );\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetInfluences', morphInfluences );\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\tupdate: update\n\n\t};\n\n}\n\nfunction WebGLObjects( gl, geometries, attributes, info ) {\n\n\tlet updateMap = new WeakMap();\n\n\tfunction update( object ) {\n\n\t\tconst frame = info.render.frame;\n\n\t\tconst geometry = object.geometry;\n\t\tconst buffergeometry = geometries.get( object, geometry );\n\n\t\t// Update once per frame\n\n\t\tif ( updateMap.get( buffergeometry ) !== frame ) {\n\n\t\t\tgeometries.update( buffergeometry );\n\n\t\t\tupdateMap.set( buffergeometry, frame );\n\n\t\t}\n\n\t\tif ( object.isInstancedMesh ) {\n\n\t\t\tif ( object.hasEventListener( 'dispose', onInstancedMeshDispose ) === false ) {\n\n\t\t\t\tobject.addEventListener( 'dispose', onInstancedMeshDispose );\n\n\t\t\t}\n\n\t\t\tattributes.update( object.instanceMatrix, 34962 );\n\n\t\t\tif ( object.instanceColor !== null ) {\n\n\t\t\t\tattributes.update( object.instanceColor, 34962 );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn buffergeometry;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tupdateMap = new WeakMap();\n\n\t}\n\n\tfunction onInstancedMeshDispose( event ) {\n\n\t\tconst instancedMesh = event.target;\n\n\t\tinstancedMesh.removeEventListener( 'dispose', onInstancedMeshDispose );\n\n\t\tattributes.remove( instancedMesh.instanceMatrix );\n\n\t\tif ( instancedMesh.instanceColor !== null ) attributes.remove( instancedMesh.instanceColor );\n\n\t}\n\n\treturn {\n\n\t\tupdate: update,\n\t\tdispose: dispose\n\n\t};\n\n}\n\nclass DataTexture3D extends Texture {\n\n\tconstructor( data = null, width = 1, height = 1, depth = 1 ) {\n\n\t\t// We're going to add .setXXX() methods for setting properties later.\n\t\t// Users can still set in DataTexture3D directly.\n\t\t//\n\t\t//\tconst texture = new THREE.DataTexture3D( data, width, height, depth );\n\t\t// \ttexture.anisotropy = 16;\n\t\t//\n\t\t// See #14839\n\n\t\tsuper( null );\n\n\t\tthis.image = { data, width, height, depth };\n\n\t\tthis.magFilter = NearestFilter;\n\t\tthis.minFilter = NearestFilter;\n\n\t\tthis.wrapR = ClampToEdgeWrapping;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nDataTexture3D.prototype.isDataTexture3D = true;\n\n/**\n * Uniforms of a program.\n * Those form a tree structure with a special top-level container for the root,\n * which you get by calling 'new WebGLUniforms( gl, program )'.\n *\n *\n * Properties of inner nodes including the top-level container:\n *\n * .seq - array of nested uniforms\n * .map - nested uniforms by name\n *\n *\n * Methods of all nodes except the top-level container:\n *\n * .setValue( gl, value, [textures] )\n *\n * \t\tuploads a uniform value(s)\n * \tthe 'textures' parameter is needed for sampler uniforms\n *\n *\n * Static methods of the top-level container (textures factorizations):\n *\n * .upload( gl, seq, values, textures )\n *\n * \t\tsets uniforms in 'seq' to 'values[id].value'\n *\n * .seqWithValue( seq, values ) : filteredSeq\n *\n * \t\tfilters 'seq' entries with corresponding entry in values\n *\n *\n * Methods of the top-level container (textures factorizations):\n *\n * .setValue( gl, name, value, textures )\n *\n * \t\tsets uniform with name 'name' to 'value'\n *\n * .setOptional( gl, obj, prop )\n *\n * \t\tlike .set for an optional property of the object\n *\n */\n\nconst emptyTexture = new Texture();\nconst emptyTexture2dArray = new DataTexture2DArray();\nconst emptyTexture3d = new DataTexture3D();\nconst emptyCubeTexture = new CubeTexture();\n\n// --- Utilities ---\n\n// Array Caches (provide typed arrays for temporary by size)\n\nconst arrayCacheF32 = [];\nconst arrayCacheI32 = [];\n\n// Float32Array caches used for uploading Matrix uniforms\n\nconst mat4array = new Float32Array( 16 );\nconst mat3array = new Float32Array( 9 );\nconst mat2array = new Float32Array( 4 );\n\n// Flattening for arrays of vectors and matrices\n\nfunction flatten( array, nBlocks, blockSize ) {\n\n\tconst firstElem = array[ 0 ];\n\n\tif ( firstElem <= 0 || firstElem > 0 ) return array;\n\t// unoptimized: ! isNaN( firstElem )\n\t// see http://jacksondunstan.com/articles/983\n\n\tconst n = nBlocks * blockSize;\n\tlet r = arrayCacheF32[ n ];\n\n\tif ( r === undefined ) {\n\n\t\tr = new Float32Array( n );\n\t\tarrayCacheF32[ n ] = r;\n\n\t}\n\n\tif ( nBlocks !== 0 ) {\n\n\t\tfirstElem.toArray( r, 0 );\n\n\t\tfor ( let i = 1, offset = 0; i !== nBlocks; ++ i ) {\n\n\t\t\toffset += blockSize;\n\t\t\tarray[ i ].toArray( r, offset );\n\n\t\t}\n\n\t}\n\n\treturn r;\n\n}\n\nfunction arraysEqual( a, b ) {\n\n\tif ( a.length !== b.length ) return false;\n\n\tfor ( let i = 0, l = a.length; i < l; i ++ ) {\n\n\t\tif ( a[ i ] !== b[ i ] ) return false;\n\n\t}\n\n\treturn true;\n\n}\n\nfunction copyArray( a, b ) {\n\n\tfor ( let i = 0, l = b.length; i < l; i ++ ) {\n\n\t\ta[ i ] = b[ i ];\n\n\t}\n\n}\n\n// Texture unit allocation\n\nfunction allocTexUnits( textures, n ) {\n\n\tlet r = arrayCacheI32[ n ];\n\n\tif ( r === undefined ) {\n\n\t\tr = new Int32Array( n );\n\t\tarrayCacheI32[ n ] = r;\n\n\t}\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\tr[ i ] = textures.allocateTextureUnit();\n\n\t}\n\n\treturn r;\n\n}\n\n// --- Setters ---\n\n// Note: Defining these methods externally, because they come in a bunch\n// and this way their names minify.\n\n// Single scalar\n\nfunction setValueV1f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1f( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single float vector (from flat array or THREE.VectorN)\n\nfunction setValueV2f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y ) {\n\n\t\t\tgl.uniform2f( this.addr, v.x, v.y );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform2fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV3f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z ) {\n\n\t\t\tgl.uniform3f( this.addr, v.x, v.y, v.z );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\n\t\t}\n\n\t} else if ( v.r !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.r || cache[ 1 ] !== v.g || cache[ 2 ] !== v.b ) {\n\n\t\t\tgl.uniform3f( this.addr, v.r, v.g, v.b );\n\n\t\t\tcache[ 0 ] = v.r;\n\t\t\tcache[ 1 ] = v.g;\n\t\t\tcache[ 2 ] = v.b;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform3fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV4f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z || cache[ 3 ] !== v.w ) {\n\n\t\t\tgl.uniform4f( this.addr, v.x, v.y, v.z, v.w );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\t\t\tcache[ 3 ] = v.w;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform4fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\n// Single matrix (from flat array or THREE.MatrixN)\n\nfunction setValueM2( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix2fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat2array.set( elements );\n\n\t\tgl.uniformMatrix2fv( this.addr, false, mat2array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\nfunction setValueM3( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix3fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat3array.set( elements );\n\n\t\tgl.uniformMatrix3fv( this.addr, false, mat3array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\nfunction setValueM4( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix4fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat4array.set( elements );\n\n\t\tgl.uniformMatrix4fv( this.addr, false, mat4array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\n// Single integer / boolean\n\nfunction setValueV1i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1i( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single integer / boolean vector (from flat array)\n\nfunction setValueV2i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform2iv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\nfunction setValueV3i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform3iv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\nfunction setValueV4i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform4iv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\n// Single unsigned integer\n\nfunction setValueV1ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1ui( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single unsigned integer vector (from flat array)\n\nfunction setValueV2ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform2uiv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\nfunction setValueV3ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform3uiv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\nfunction setValueV4ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform4uiv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\n\n// Single texture (2D / Cube)\n\nfunction setValueT1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.safeSetTexture2D( v || emptyTexture, unit );\n\n}\n\nfunction setValueT3D1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.setTexture3D( v || emptyTexture3d, unit );\n\n}\n\nfunction setValueT6( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.safeSetTextureCube( v || emptyCubeTexture, unit );\n\n}\n\nfunction setValueT2DArray1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.setTexture2DArray( v || emptyTexture2dArray, unit );\n\n}\n\n// Helper to pick the right setter for the singular case\n\nfunction getSingularSetter( type ) {\n\n\tswitch ( type ) {\n\n\t\tcase 0x1406: return setValueV1f; // FLOAT\n\t\tcase 0x8b50: return setValueV2f; // _VEC2\n\t\tcase 0x8b51: return setValueV3f; // _VEC3\n\t\tcase 0x8b52: return setValueV4f; // _VEC4\n\n\t\tcase 0x8b5a: return setValueM2; // _MAT2\n\t\tcase 0x8b5b: return setValueM3; // _MAT3\n\t\tcase 0x8b5c: return setValueM4; // _MAT4\n\n\t\tcase 0x1404: case 0x8b56: return setValueV1i; // INT, BOOL\n\t\tcase 0x8b53: case 0x8b57: return setValueV2i; // _VEC2\n\t\tcase 0x8b54: case 0x8b58: return setValueV3i; // _VEC3\n\t\tcase 0x8b55: case 0x8b59: return setValueV4i; // _VEC4\n\n\t\tcase 0x1405: return setValueV1ui; // UINT\n\t\tcase 0x8dc6: return setValueV2ui; // _VEC2\n\t\tcase 0x8dc7: return setValueV3ui; // _VEC3\n\t\tcase 0x8dc8: return setValueV4ui; // _VEC4\n\n\t\tcase 0x8b5e: // SAMPLER_2D\n\t\tcase 0x8d66: // SAMPLER_EXTERNAL_OES\n\t\tcase 0x8dca: // INT_SAMPLER_2D\n\t\tcase 0x8dd2: // UNSIGNED_INT_SAMPLER_2D\n\t\tcase 0x8b62: // SAMPLER_2D_SHADOW\n\t\t\treturn setValueT1;\n\n\t\tcase 0x8b5f: // SAMPLER_3D\n\t\tcase 0x8dcb: // INT_SAMPLER_3D\n\t\tcase 0x8dd3: // UNSIGNED_INT_SAMPLER_3D\n\t\t\treturn setValueT3D1;\n\n\t\tcase 0x8b60: // SAMPLER_CUBE\n\t\tcase 0x8dcc: // INT_SAMPLER_CUBE\n\t\tcase 0x8dd4: // UNSIGNED_INT_SAMPLER_CUBE\n\t\tcase 0x8dc5: // SAMPLER_CUBE_SHADOW\n\t\t\treturn setValueT6;\n\n\t\tcase 0x8dc1: // SAMPLER_2D_ARRAY\n\t\tcase 0x8dcf: // INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dd7: // UNSIGNED_INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dc4: // SAMPLER_2D_ARRAY_SHADOW\n\t\t\treturn setValueT2DArray1;\n\n\t}\n\n}\n\n\n// Array of scalars\n\nfunction setValueV1fArray( gl, v ) {\n\n\tgl.uniform1fv( this.addr, v );\n\n}\n\n// Array of vectors (from flat array or array of THREE.VectorN)\n\nfunction setValueV2fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 2 );\n\n\tgl.uniform2fv( this.addr, data );\n\n}\n\nfunction setValueV3fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 3 );\n\n\tgl.uniform3fv( this.addr, data );\n\n}\n\nfunction setValueV4fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 4 );\n\n\tgl.uniform4fv( this.addr, data );\n\n}\n\n// Array of matrices (from flat array or array of THREE.MatrixN)\n\nfunction setValueM2Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 4 );\n\n\tgl.uniformMatrix2fv( this.addr, false, data );\n\n}\n\nfunction setValueM3Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 9 );\n\n\tgl.uniformMatrix3fv( this.addr, false, data );\n\n}\n\nfunction setValueM4Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 16 );\n\n\tgl.uniformMatrix4fv( this.addr, false, data );\n\n}\n\n// Array of integer / boolean\n\nfunction setValueV1iArray( gl, v ) {\n\n\tgl.uniform1iv( this.addr, v );\n\n}\n\n// Array of integer / boolean vectors (from flat array)\n\nfunction setValueV2iArray( gl, v ) {\n\n\tgl.uniform2iv( this.addr, v );\n\n}\n\nfunction setValueV3iArray( gl, v ) {\n\n\tgl.uniform3iv( this.addr, v );\n\n}\n\nfunction setValueV4iArray( gl, v ) {\n\n\tgl.uniform4iv( this.addr, v );\n\n}\n\n// Array of unsigned integer\n\nfunction setValueV1uiArray( gl, v ) {\n\n\tgl.uniform1uiv( this.addr, v );\n\n}\n\n// Array of unsigned integer vectors (from flat array)\n\nfunction setValueV2uiArray( gl, v ) {\n\n\tgl.uniform2uiv( this.addr, v );\n\n}\n\nfunction setValueV3uiArray( gl, v ) {\n\n\tgl.uniform3uiv( this.addr, v );\n\n}\n\nfunction setValueV4uiArray( gl, v ) {\n\n\tgl.uniform4uiv( this.addr, v );\n\n}\n\n\n// Array of textures (2D / 3D / Cube / 2DArray)\n\nfunction setValueT1Array( gl, v, textures ) {\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tgl.uniform1iv( this.addr, units );\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.safeSetTexture2D( v[ i ] || emptyTexture, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT3DArray( gl, v, textures ) {\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tgl.uniform1iv( this.addr, units );\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTexture3D( v[ i ] || emptyTexture3d, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT6Array( gl, v, textures ) {\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tgl.uniform1iv( this.addr, units );\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.safeSetTextureCube( v[ i ] || emptyCubeTexture, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT2DArrayArray( gl, v, textures ) {\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tgl.uniform1iv( this.addr, units );\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTexture2DArray( v[ i ] || emptyTexture2dArray, units[ i ] );\n\n\t}\n\n}\n\n\n// Helper to pick the right setter for a pure (bottom-level) array\n\nfunction getPureArraySetter( type ) {\n\n\tswitch ( type ) {\n\n\t\tcase 0x1406: return setValueV1fArray; // FLOAT\n\t\tcase 0x8b50: return setValueV2fArray; // _VEC2\n\t\tcase 0x8b51: return setValueV3fArray; // _VEC3\n\t\tcase 0x8b52: return setValueV4fArray; // _VEC4\n\n\t\tcase 0x8b5a: return setValueM2Array; // _MAT2\n\t\tcase 0x8b5b: return setValueM3Array; // _MAT3\n\t\tcase 0x8b5c: return setValueM4Array; // _MAT4\n\n\t\tcase 0x1404: case 0x8b56: return setValueV1iArray; // INT, BOOL\n\t\tcase 0x8b53: case 0x8b57: return setValueV2iArray; // _VEC2\n\t\tcase 0x8b54: case 0x8b58: return setValueV3iArray; // _VEC3\n\t\tcase 0x8b55: case 0x8b59: return setValueV4iArray; // _VEC4\n\n\t\tcase 0x1405: return setValueV1uiArray; // UINT\n\t\tcase 0x8dc6: return setValueV2uiArray; // _VEC2\n\t\tcase 0x8dc7: return setValueV3uiArray; // _VEC3\n\t\tcase 0x8dc8: return setValueV4uiArray; // _VEC4\n\n\t\tcase 0x8b5e: // SAMPLER_2D\n\t\tcase 0x8d66: // SAMPLER_EXTERNAL_OES\n\t\tcase 0x8dca: // INT_SAMPLER_2D\n\t\tcase 0x8dd2: // UNSIGNED_INT_SAMPLER_2D\n\t\tcase 0x8b62: // SAMPLER_2D_SHADOW\n\t\t\treturn setValueT1Array;\n\n\t\tcase 0x8b5f: // SAMPLER_3D\n\t\tcase 0x8dcb: // INT_SAMPLER_3D\n\t\tcase 0x8dd3: // UNSIGNED_INT_SAMPLER_3D\n\t\t\treturn setValueT3DArray;\n\n\t\tcase 0x8b60: // SAMPLER_CUBE\n\t\tcase 0x8dcc: // INT_SAMPLER_CUBE\n\t\tcase 0x8dd4: // UNSIGNED_INT_SAMPLER_CUBE\n\t\tcase 0x8dc5: // SAMPLER_CUBE_SHADOW\n\t\t\treturn setValueT6Array;\n\n\t\tcase 0x8dc1: // SAMPLER_2D_ARRAY\n\t\tcase 0x8dcf: // INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dd7: // UNSIGNED_INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dc4: // SAMPLER_2D_ARRAY_SHADOW\n\t\t\treturn setValueT2DArrayArray;\n\n\t}\n\n}\n\n// --- Uniform Classes ---\n\nfunction SingleUniform( id, activeInfo, addr ) {\n\n\tthis.id = id;\n\tthis.addr = addr;\n\tthis.cache = [];\n\tthis.setValue = getSingularSetter( activeInfo.type );\n\n\t// this.path = activeInfo.name; // DEBUG\n\n}\n\nfunction PureArrayUniform( id, activeInfo, addr ) {\n\n\tthis.id = id;\n\tthis.addr = addr;\n\tthis.cache = [];\n\tthis.size = activeInfo.size;\n\tthis.setValue = getPureArraySetter( activeInfo.type );\n\n\t// this.path = activeInfo.name; // DEBUG\n\n}\n\nPureArrayUniform.prototype.updateCache = function ( data ) {\n\n\tconst cache = this.cache;\n\n\tif ( data instanceof Float32Array && cache.length !== data.length ) {\n\n\t\tthis.cache = new Float32Array( data.length );\n\n\t}\n\n\tcopyArray( cache, data );\n\n};\n\nfunction StructuredUniform( id ) {\n\n\tthis.id = id;\n\n\tthis.seq = [];\n\tthis.map = {};\n\n}\n\nStructuredUniform.prototype.setValue = function ( gl, value, textures ) {\n\n\tconst seq = this.seq;\n\n\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\tconst u = seq[ i ];\n\t\tu.setValue( gl, value[ u.id ], textures );\n\n\t}\n\n};\n\n// --- Top-level ---\n\n// Parser - builds up the property tree from the path strings\n\nconst RePathPart = /(\\w+)(\\])?(\\[|\\.)?/g;\n\n// extracts\n// \t- the identifier (member name or array index)\n// - followed by an optional right bracket (found when array index)\n// - followed by an optional left bracket or dot (type of subscript)\n//\n// Note: These portions can be read in a non-overlapping fashion and\n// allow straightforward parsing of the hierarchy that WebGL encodes\n// in the uniform names.\n\nfunction addUniform( container, uniformObject ) {\n\n\tcontainer.seq.push( uniformObject );\n\tcontainer.map[ uniformObject.id ] = uniformObject;\n\n}\n\nfunction parseUniform( activeInfo, addr, container ) {\n\n\tconst path = activeInfo.name,\n\t\tpathLength = path.length;\n\n\t// reset RegExp object, because of the early exit of a previous run\n\tRePathPart.lastIndex = 0;\n\n\twhile ( true ) {\n\n\t\tconst match = RePathPart.exec( path ),\n\t\t\tmatchEnd = RePathPart.lastIndex;\n\n\t\tlet id = match[ 1 ];\n\t\tconst idIsIndex = match[ 2 ] === ']',\n\t\t\tsubscript = match[ 3 ];\n\n\t\tif ( idIsIndex ) id = id | 0; // convert to integer\n\n\t\tif ( subscript === undefined || subscript === '[' && matchEnd + 2 === pathLength ) {\n\n\t\t\t// bare name or \"pure\" bottom-level array \"[0]\" suffix\n\n\t\t\taddUniform( container, subscript === undefined ?\n\t\t\t\tnew SingleUniform( id, activeInfo, addr ) :\n\t\t\t\tnew PureArrayUniform( id, activeInfo, addr ) );\n\n\t\t\tbreak;\n\n\t\t} else {\n\n\t\t\t// step into inner node / create it in case it doesn't exist\n\n\t\t\tconst map = container.map;\n\t\t\tlet next = map[ id ];\n\n\t\t\tif ( next === undefined ) {\n\n\t\t\t\tnext = new StructuredUniform( id );\n\t\t\t\taddUniform( container, next );\n\n\t\t\t}\n\n\t\t\tcontainer = next;\n\n\t\t}\n\n\t}\n\n}\n\n// Root Container\n\nfunction WebGLUniforms( gl, program ) {\n\n\tthis.seq = [];\n\tthis.map = {};\n\n\tconst n = gl.getProgramParameter( program, 35718 );\n\n\tfor ( let i = 0; i < n; ++ i ) {\n\n\t\tconst info = gl.getActiveUniform( program, i ),\n\t\t\taddr = gl.getUniformLocation( program, info.name );\n\n\t\tparseUniform( info, addr, this );\n\n\t}\n\n}\n\nWebGLUniforms.prototype.setValue = function ( gl, name, value, textures ) {\n\n\tconst u = this.map[ name ];\n\n\tif ( u !== undefined ) u.setValue( gl, value, textures );\n\n};\n\nWebGLUniforms.prototype.setOptional = function ( gl, object, name ) {\n\n\tconst v = object[ name ];\n\n\tif ( v !== undefined ) this.setValue( gl, name, v );\n\n};\n\n\n// Static interface\n\nWebGLUniforms.upload = function ( gl, seq, values, textures ) {\n\n\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\tconst u = seq[ i ],\n\t\t\tv = values[ u.id ];\n\n\t\tif ( v.needsUpdate !== false ) {\n\n\t\t\t// note: always updating when .needsUpdate is undefined\n\t\t\tu.setValue( gl, v.value, textures );\n\n\t\t}\n\n\t}\n\n};\n\nWebGLUniforms.seqWithValue = function ( seq, values ) {\n\n\tconst r = [];\n\n\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\tconst u = seq[ i ];\n\t\tif ( u.id in values ) r.push( u );\n\n\t}\n\n\treturn r;\n\n};\n\nfunction WebGLShader( gl, type, string ) {\n\n\tconst shader = gl.createShader( type );\n\n\tgl.shaderSource( shader, string );\n\tgl.compileShader( shader );\n\n\treturn shader;\n\n}\n\nlet programIdCount = 0;\n\nfunction addLineNumbers( string ) {\n\n\tconst lines = string.split( '\\n' );\n\n\tfor ( let i = 0; i < lines.length; i ++ ) {\n\n\t\tlines[ i ] = ( i + 1 ) + ': ' + lines[ i ];\n\n\t}\n\n\treturn lines.join( '\\n' );\n\n}\n\nfunction getEncodingComponents( encoding ) {\n\n\tswitch ( encoding ) {\n\n\t\tcase LinearEncoding:\n\t\t\treturn [ 'Linear', '( value )' ];\n\t\tcase sRGBEncoding:\n\t\t\treturn [ 'sRGB', '( value )' ];\n\t\tcase RGBEEncoding:\n\t\t\treturn [ 'RGBE', '( value )' ];\n\t\tcase RGBM7Encoding:\n\t\t\treturn [ 'RGBM', '( value, 7.0 )' ];\n\t\tcase RGBM16Encoding:\n\t\t\treturn [ 'RGBM', '( value, 16.0 )' ];\n\t\tcase RGBDEncoding:\n\t\t\treturn [ 'RGBD', '( value, 256.0 )' ];\n\t\tcase GammaEncoding:\n\t\t\treturn [ 'Gamma', '( value, float( GAMMA_FACTOR ) )' ];\n\t\tdefault:\n\t\t\tconsole.warn( 'THREE.WebGLProgram: Unsupported encoding:', encoding );\n\t\t\treturn [ 'Linear', '( value )' ];\n\n\t}\n\n}\n\nfunction getShaderErrors( gl, shader, type ) {\n\n\tconst status = gl.getShaderParameter( shader, 35713 );\n\tconst errors = gl.getShaderInfoLog( shader ).trim();\n\n\tif ( status && errors === '' ) return '';\n\n\t// --enable-privileged-webgl-extension\n\t// console.log( '**' + type + '**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) );\n\n\treturn type.toUpperCase() + '\\n\\n' + errors + '\\n\\n' + addLineNumbers( gl.getShaderSource( shader ) );\n\n}\n\nfunction getTexelDecodingFunction( functionName, encoding ) {\n\n\tconst components = getEncodingComponents( encoding );\n\treturn 'vec4 ' + functionName + '( vec4 value ) { return ' + components[ 0 ] + 'ToLinear' + components[ 1 ] + '; }';\n\n}\n\nfunction getTexelEncodingFunction( functionName, encoding ) {\n\n\tconst components = getEncodingComponents( encoding );\n\treturn 'vec4 ' + functionName + '( vec4 value ) { return LinearTo' + components[ 0 ] + components[ 1 ] + '; }';\n\n}\n\nfunction getToneMappingFunction( functionName, toneMapping ) {\n\n\tlet toneMappingName;\n\n\tswitch ( toneMapping ) {\n\n\t\tcase LinearToneMapping:\n\t\t\ttoneMappingName = 'Linear';\n\t\t\tbreak;\n\n\t\tcase ReinhardToneMapping:\n\t\t\ttoneMappingName = 'Reinhard';\n\t\t\tbreak;\n\n\t\tcase CineonToneMapping:\n\t\t\ttoneMappingName = 'OptimizedCineon';\n\t\t\tbreak;\n\n\t\tcase ACESFilmicToneMapping:\n\t\t\ttoneMappingName = 'ACESFilmic';\n\t\t\tbreak;\n\n\t\tcase CustomToneMapping:\n\t\t\ttoneMappingName = 'Custom';\n\t\t\tbreak;\n\n\t\tdefault:\n\t\t\tconsole.warn( 'THREE.WebGLProgram: Unsupported toneMapping:', toneMapping );\n\t\t\ttoneMappingName = 'Linear';\n\n\t}\n\n\treturn 'vec3 ' + functionName + '( vec3 color ) { return ' + toneMappingName + 'ToneMapping( color ); }';\n\n}\n\nfunction generateExtensions( parameters ) {\n\n\tconst chunks = [\n\t\t( parameters.extensionDerivatives || parameters.envMapCubeUV || parameters.bumpMap || parameters.tangentSpaceNormalMap || parameters.clearcoatNormalMap || parameters.flatShading || parameters.shaderID === 'physical' ) ? '#extension GL_OES_standard_derivatives : enable' : '',\n\t\t( parameters.extensionFragDepth || parameters.logarithmicDepthBuffer ) && parameters.rendererExtensionFragDepth ? '#extension GL_EXT_frag_depth : enable' : '',\n\t\t( parameters.extensionDrawBuffers && parameters.rendererExtensionDrawBuffers ) ? '#extension GL_EXT_draw_buffers : require' : '',\n\t\t( parameters.extensionShaderTextureLOD || parameters.envMap || parameters.transmission ) && parameters.rendererExtensionShaderTextureLod ? '#extension GL_EXT_shader_texture_lod : enable' : ''\n\t];\n\n\treturn chunks.filter( filterEmptyLine ).join( '\\n' );\n\n}\n\nfunction generateDefines( defines ) {\n\n\tconst chunks = [];\n\n\tfor ( const name in defines ) {\n\n\t\tconst value = defines[ name ];\n\n\t\tif ( value === false ) continue;\n\n\t\tchunks.push( '#define ' + name + ' ' + value );\n\n\t}\n\n\treturn chunks.join( '\\n' );\n\n}\n\nfunction fetchAttributeLocations( gl, program ) {\n\n\tconst attributes = {};\n\n\tconst n = gl.getProgramParameter( program, 35721 );\n\n\tfor ( let i = 0; i < n; i ++ ) {\n\n\t\tconst info = gl.getActiveAttrib( program, i );\n\t\tconst name = info.name;\n\n\t\tlet locationSize = 1;\n\t\tif ( info.type === 35674 ) locationSize = 2;\n\t\tif ( info.type === 35675 ) locationSize = 3;\n\t\tif ( info.type === 35676 ) locationSize = 4;\n\n\t\t// console.log( 'THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:', name, i );\n\n\t\tattributes[ name ] = {\n\t\t\ttype: info.type,\n\t\t\tlocation: gl.getAttribLocation( program, name ),\n\t\t\tlocationSize: locationSize\n\t\t};\n\n\t}\n\n\treturn attributes;\n\n}\n\nfunction filterEmptyLine( string ) {\n\n\treturn string !== '';\n\n}\n\nfunction replaceLightNums( string, parameters ) {\n\n\treturn string\n\t\t.replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights )\n\t\t.replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights )\n\t\t.replace( /NUM_RECT_AREA_LIGHTS/g, parameters.numRectAreaLights )\n\t\t.replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights )\n\t\t.replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights )\n\t\t.replace( /NUM_DIR_LIGHT_SHADOWS/g, parameters.numDirLightShadows )\n\t\t.replace( /NUM_SPOT_LIGHT_SHADOWS/g, parameters.numSpotLightShadows )\n\t\t.replace( /NUM_POINT_LIGHT_SHADOWS/g, parameters.numPointLightShadows );\n\n}\n\nfunction replaceClippingPlaneNums( string, parameters ) {\n\n\treturn string\n\t\t.replace( /NUM_CLIPPING_PLANES/g, parameters.numClippingPlanes )\n\t\t.replace( /UNION_CLIPPING_PLANES/g, ( parameters.numClippingPlanes - parameters.numClipIntersection ) );\n\n}\n\n// Resolve Includes\n\nconst includePattern = /^[ \\t]*#include +<([\\w\\d./]+)>/gm;\n\nfunction resolveIncludes( string ) {\n\n\treturn string.replace( includePattern, includeReplacer );\n\n}\n\nfunction includeReplacer( match, include ) {\n\n\tconst string = ShaderChunk[ include ];\n\n\tif ( string === undefined ) {\n\n\t\tthrow new Error( 'Can not resolve #include <' + include + '>' );\n\n\t}\n\n\treturn resolveIncludes( string );\n\n}\n\n// Unroll Loops\n\nconst deprecatedUnrollLoopPattern = /#pragma unroll_loop[\\s]+?for \\( int i \\= (\\d+)\\; i < (\\d+)\\; i \\+\\+ \\) \\{([\\s\\S]+?)(?=\\})\\}/g;\nconst unrollLoopPattern = /#pragma unroll_loop_start\\s+for\\s*\\(\\s*int\\s+i\\s*=\\s*(\\d+)\\s*;\\s*i\\s*<\\s*(\\d+)\\s*;\\s*i\\s*\\+\\+\\s*\\)\\s*{([\\s\\S]+?)}\\s+#pragma unroll_loop_end/g;\n\nfunction unrollLoops( string ) {\n\n\treturn string\n\t\t.replace( unrollLoopPattern, loopReplacer )\n\t\t.replace( deprecatedUnrollLoopPattern, deprecatedLoopReplacer );\n\n}\n\nfunction deprecatedLoopReplacer( match, start, end, snippet ) {\n\n\tconsole.warn( 'WebGLProgram: #pragma unroll_loop shader syntax is deprecated. Please use #pragma unroll_loop_start syntax instead.' );\n\treturn loopReplacer( match, start, end, snippet );\n\n}\n\nfunction loopReplacer( match, start, end, snippet ) {\n\n\tlet string = '';\n\n\tfor ( let i = parseInt( start ); i < parseInt( end ); i ++ ) {\n\n\t\tstring += snippet\n\t\t\t.replace( /\\[\\s*i\\s*\\]/g, '[ ' + i + ' ]' )\n\t\t\t.replace( /UNROLLED_LOOP_INDEX/g, i );\n\n\t}\n\n\treturn string;\n\n}\n\n//\n\nfunction generatePrecision( parameters ) {\n\n\tlet precisionstring = 'precision ' + parameters.precision + ' float;\\nprecision ' + parameters.precision + ' int;';\n\n\tif ( parameters.precision === 'highp' ) {\n\n\t\tprecisionstring += '\\n#define HIGH_PRECISION';\n\n\t} else if ( parameters.precision === 'mediump' ) {\n\n\t\tprecisionstring += '\\n#define MEDIUM_PRECISION';\n\n\t} else if ( parameters.precision === 'lowp' ) {\n\n\t\tprecisionstring += '\\n#define LOW_PRECISION';\n\n\t}\n\n\treturn precisionstring;\n\n}\n\nfunction generateShadowMapTypeDefine( parameters ) {\n\n\tlet shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC';\n\n\tif ( parameters.shadowMapType === PCFShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF';\n\n\t} else if ( parameters.shadowMapType === PCFSoftShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT';\n\n\t} else if ( parameters.shadowMapType === VSMShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_VSM';\n\n\t}\n\n\treturn shadowMapTypeDefine;\n\n}\n\nfunction generateEnvMapTypeDefine( parameters ) {\n\n\tlet envMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.envMapMode ) {\n\n\t\t\tcase CubeReflectionMapping:\n\t\t\tcase CubeRefractionMapping:\n\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\t\t\tbreak;\n\n\t\t\tcase CubeUVReflectionMapping:\n\t\t\tcase CubeUVRefractionMapping:\n\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapTypeDefine;\n\n}\n\nfunction generateEnvMapModeDefine( parameters ) {\n\n\tlet envMapModeDefine = 'ENVMAP_MODE_REFLECTION';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.envMapMode ) {\n\n\t\t\tcase CubeRefractionMapping:\n\t\t\tcase CubeUVRefractionMapping:\n\n\t\t\t\tenvMapModeDefine = 'ENVMAP_MODE_REFRACTION';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapModeDefine;\n\n}\n\nfunction generateEnvMapBlendingDefine( parameters ) {\n\n\tlet envMapBlendingDefine = 'ENVMAP_BLENDING_NONE';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.combine ) {\n\n\t\t\tcase MultiplyOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\t\t\t\tbreak;\n\n\t\t\tcase MixOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MIX';\n\t\t\t\tbreak;\n\n\t\t\tcase AddOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_ADD';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapBlendingDefine;\n\n}\n\nfunction WebGLProgram( renderer, cacheKey, parameters, bindingStates ) {\n\n\t// TODO Send this event to Three.js DevTools\n\t// console.log( 'WebGLProgram', cacheKey );\n\n\tconst gl = renderer.getContext();\n\n\tconst defines = parameters.defines;\n\n\tlet vertexShader = parameters.vertexShader;\n\tlet fragmentShader = parameters.fragmentShader;\n\n\tconst shadowMapTypeDefine = generateShadowMapTypeDefine( parameters );\n\tconst envMapTypeDefine = generateEnvMapTypeDefine( parameters );\n\tconst envMapModeDefine = generateEnvMapModeDefine( parameters );\n\tconst envMapBlendingDefine = generateEnvMapBlendingDefine( parameters );\n\n\n\tconst gammaFactorDefine = ( renderer.gammaFactor > 0 ) ? renderer.gammaFactor : 1.0;\n\n\tconst customExtensions = parameters.isWebGL2 ? '' : generateExtensions( parameters );\n\n\tconst customDefines = generateDefines( defines );\n\n\tconst program = gl.createProgram();\n\n\tlet prefixVertex, prefixFragment;\n\tlet versionString = parameters.glslVersion ? '#version ' + parameters.glslVersion + '\\n' : '';\n\n\tif ( parameters.isRawShaderMaterial ) {\n\n\t\tprefixVertex = [\n\n\t\t\tcustomDefines\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tif ( prefixVertex.length > 0 ) {\n\n\t\t\tprefixVertex += '\\n';\n\n\t\t}\n\n\t\tprefixFragment = [\n\n\t\t\tcustomExtensions,\n\t\t\tcustomDefines\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tif ( prefixFragment.length > 0 ) {\n\n\t\t\tprefixFragment += '\\n';\n\n\t\t}\n\n\t} else {\n\n\t\tprefixVertex = [\n\n\t\t\tgeneratePrecision( parameters ),\n\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines,\n\n\t\t\tparameters.instancing ? '#define USE_INSTANCING' : '',\n\t\t\tparameters.instancingColor ? '#define USE_INSTANCING_COLOR' : '',\n\n\t\t\tparameters.supportsVertexTextures ? '#define VERTEX_TEXTURES' : '',\n\n\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t'#define MAX_BONES ' + parameters.maxBones,\n\t\t\t( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '',\n\t\t\t( parameters.useFog && parameters.fogExp2 ) ? '#define FOG_EXP2' : '',\n\n\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t( parameters.normalMap && parameters.objectSpaceNormalMap ) ? '#define OBJECTSPACE_NORMALMAP' : '',\n\t\t\t( parameters.normalMap && parameters.tangentSpaceNormalMap ) ? '#define TANGENTSPACE_NORMALMAP' : '',\n\n\t\t\tparameters.clearcoatMap ? '#define USE_CLEARCOATMAP' : '',\n\t\t\tparameters.clearcoatRoughnessMap ? '#define USE_CLEARCOAT_ROUGHNESSMAP' : '',\n\t\t\tparameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '',\n\n\t\t\tparameters.displacementMap && parameters.supportsVertexTextures ? '#define USE_DISPLACEMENTMAP' : '',\n\n\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\tparameters.specularIntensityMap ? '#define USE_SPECULARINTENSITYMAP' : '',\n\t\t\tparameters.specularColorMap ? '#define USE_SPECULARCOLORMAP' : '',\n\n\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\n\t\t\tparameters.transmission ? '#define USE_TRANSMISSION' : '',\n\t\t\tparameters.transmissionMap ? '#define USE_TRANSMISSIONMAP' : '',\n\t\t\tparameters.thicknessMap ? '#define USE_THICKNESSMAP' : '',\n\n\t\t\tparameters.sheenColorMap ? '#define USE_SHEENCOLORMAP' : '',\n\t\t\tparameters.sheenRoughnessMap ? '#define USE_SHEENROUGHNESSMAP' : '',\n\n\t\t\tparameters.vertexTangents ? '#define USE_TANGENT' : '',\n\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\t\t\tparameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '',\n\t\t\tparameters.vertexUvs ? '#define USE_UV' : '',\n\t\t\tparameters.uvsVertexOnly ? '#define UVS_VERTEX_ONLY' : '',\n\n\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\tparameters.skinning ? '#define USE_SKINNING' : '',\n\t\t\tparameters.useVertexTexture ? '#define BONE_TEXTURE' : '',\n\n\t\t\tparameters.morphTargets ? '#define USE_MORPHTARGETS' : '',\n\t\t\tparameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '',\n\t\t\t( parameters.morphTargets && parameters.isWebGL2 ) ? '#define MORPHTARGETS_TEXTURE' : '',\n\t\t\t( parameters.morphTargets && parameters.isWebGL2 ) ? '#define MORPHTARGETS_COUNT ' + parameters.morphTargetsCount : '',\n\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\tparameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '',\n\n\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t( parameters.logarithmicDepthBuffer && parameters.rendererExtensionFragDepth ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t'uniform mat4 modelMatrix;',\n\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t'uniform mat3 normalMatrix;',\n\t\t\t'uniform vec3 cameraPosition;',\n\t\t\t'uniform bool isOrthographic;',\n\n\t\t\t'#ifdef USE_INSTANCING',\n\n\t\t\t'\tattribute mat4 instanceMatrix;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_INSTANCING_COLOR',\n\n\t\t\t'\tattribute vec3 instanceColor;',\n\n\t\t\t'#endif',\n\n\t\t\t'attribute vec3 position;',\n\t\t\t'attribute vec3 normal;',\n\t\t\t'attribute vec2 uv;',\n\n\t\t\t'#ifdef USE_TANGENT',\n\n\t\t\t'\tattribute vec4 tangent;',\n\n\t\t\t'#endif',\n\n\t\t\t'#if defined( USE_COLOR_ALPHA )',\n\n\t\t\t'\tattribute vec4 color;',\n\n\t\t\t'#elif defined( USE_COLOR )',\n\n\t\t\t'\tattribute vec3 color;',\n\n\t\t\t'#endif',\n\n\t\t\t'#if ( defined( USE_MORPHTARGETS ) && ! defined( MORPHTARGETS_TEXTURE ) )',\n\n\t\t\t'\tattribute vec3 morphTarget0;',\n\t\t\t'\tattribute vec3 morphTarget1;',\n\t\t\t'\tattribute vec3 morphTarget2;',\n\t\t\t'\tattribute vec3 morphTarget3;',\n\n\t\t\t'\t#ifdef USE_MORPHNORMALS',\n\n\t\t\t'\t\tattribute vec3 morphNormal0;',\n\t\t\t'\t\tattribute vec3 morphNormal1;',\n\t\t\t'\t\tattribute vec3 morphNormal2;',\n\t\t\t'\t\tattribute vec3 morphNormal3;',\n\n\t\t\t'\t#else',\n\n\t\t\t'\t\tattribute vec3 morphTarget4;',\n\t\t\t'\t\tattribute vec3 morphTarget5;',\n\t\t\t'\t\tattribute vec3 morphTarget6;',\n\t\t\t'\t\tattribute vec3 morphTarget7;',\n\n\t\t\t'\t#endif',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_SKINNING',\n\n\t\t\t'\tattribute vec4 skinIndex;',\n\t\t\t'\tattribute vec4 skinWeight;',\n\n\t\t\t'#endif',\n\n\t\t\t'\\n'\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tprefixFragment = [\n\n\t\t\tcustomExtensions,\n\n\t\t\tgeneratePrecision( parameters ),\n\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines,\n\n\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '',\n\t\t\t( parameters.useFog && parameters.fogExp2 ) ? '#define FOG_EXP2' : '',\n\n\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\tparameters.matcap ? '#define USE_MATCAP' : '',\n\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\tparameters.envMap ? '#define ' + envMapTypeDefine : '',\n\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\tparameters.envMap ? '#define ' + envMapBlendingDefine : '',\n\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t( parameters.normalMap && parameters.objectSpaceNormalMap ) ? '#define OBJECTSPACE_NORMALMAP' : '',\n\t\t\t( parameters.normalMap && parameters.tangentSpaceNormalMap ) ? '#define TANGENTSPACE_NORMALMAP' : '',\n\n\t\t\tparameters.clearcoat ? '#define USE_CLEARCOAT' : '',\n\t\t\tparameters.clearcoatMap ? '#define USE_CLEARCOATMAP' : '',\n\t\t\tparameters.clearcoatRoughnessMap ? '#define USE_CLEARCOAT_ROUGHNESSMAP' : '',\n\t\t\tparameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '',\n\n\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\tparameters.specularIntensityMap ? '#define USE_SPECULARINTENSITYMAP' : '',\n\t\t\tparameters.specularColorMap ? '#define USE_SPECULARCOLORMAP' : '',\n\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\n\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\tparameters.alphaTest ? '#define USE_ALPHATEST' : '',\n\n\t\t\tparameters.sheen ? '#define USE_SHEEN' : '',\n\t\t\tparameters.sheenColorMap ? '#define USE_SHEENCOLORMAP' : '',\n\t\t\tparameters.sheenRoughnessMap ? '#define USE_SHEENROUGHNESSMAP' : '',\n\n\t\t\tparameters.transmission ? '#define USE_TRANSMISSION' : '',\n\t\t\tparameters.transmissionMap ? '#define USE_TRANSMISSIONMAP' : '',\n\t\t\tparameters.thicknessMap ? '#define USE_THICKNESSMAP' : '',\n\n\t\t\tparameters.vertexTangents ? '#define USE_TANGENT' : '',\n\t\t\tparameters.vertexColors || parameters.instancingColor ? '#define USE_COLOR' : '',\n\t\t\tparameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '',\n\t\t\tparameters.vertexUvs ? '#define USE_UV' : '',\n\t\t\tparameters.uvsVertexOnly ? '#define UVS_VERTEX_ONLY' : '',\n\n\t\t\tparameters.gradientMap ? '#define USE_GRADIENTMAP' : '',\n\n\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\tparameters.premultipliedAlpha ? '#define PREMULTIPLIED_ALPHA' : '',\n\n\t\t\tparameters.physicallyCorrectLights ? '#define PHYSICALLY_CORRECT_LIGHTS' : '',\n\n\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t( parameters.logarithmicDepthBuffer && parameters.rendererExtensionFragDepth ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t( ( parameters.extensionShaderTextureLOD || parameters.envMap ) && parameters.rendererExtensionShaderTextureLod ) ? '#define TEXTURE_LOD_EXT' : '',\n\n\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t'uniform vec3 cameraPosition;',\n\t\t\t'uniform bool isOrthographic;',\n\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? '#define TONE_MAPPING' : '',\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( 'toneMapping', parameters.toneMapping ) : '',\n\n\t\t\tparameters.dithering ? '#define DITHERING' : '',\n\t\t\tparameters.format === RGBFormat ? '#define OPAQUE' : '',\n\n\t\t\tShaderChunk[ 'encodings_pars_fragment' ], // this code is required here because it is used by the various encoding/decoding function defined below\n\t\t\tparameters.map ? getTexelDecodingFunction( 'mapTexelToLinear', parameters.mapEncoding ) : '',\n\t\t\tparameters.matcap ? getTexelDecodingFunction( 'matcapTexelToLinear', parameters.matcapEncoding ) : '',\n\t\t\tparameters.envMap ? getTexelDecodingFunction( 'envMapTexelToLinear', parameters.envMapEncoding ) : '',\n\t\t\tparameters.emissiveMap ? getTexelDecodingFunction( 'emissiveMapTexelToLinear', parameters.emissiveMapEncoding ) : '',\n\t\t\tparameters.specularColorMap ? getTexelDecodingFunction( 'specularColorMapTexelToLinear', parameters.specularColorMapEncoding ) : '',\n\t\t\tparameters.sheenColorMap ? getTexelDecodingFunction( 'sheenColorMapTexelToLinear', parameters.sheenColorMapEncoding ) : '',\n\t\t\tparameters.lightMap ? getTexelDecodingFunction( 'lightMapTexelToLinear', parameters.lightMapEncoding ) : '',\n\t\t\tgetTexelEncodingFunction( 'linearToOutputTexel', parameters.outputEncoding ),\n\n\t\t\tparameters.depthPacking ? '#define DEPTH_PACKING ' + parameters.depthPacking : '',\n\n\t\t\t'\\n'\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t}\n\n\tvertexShader = resolveIncludes( vertexShader );\n\tvertexShader = replaceLightNums( vertexShader, parameters );\n\tvertexShader = replaceClippingPlaneNums( vertexShader, parameters );\n\n\tfragmentShader = resolveIncludes( fragmentShader );\n\tfragmentShader = replaceLightNums( fragmentShader, parameters );\n\tfragmentShader = replaceClippingPlaneNums( fragmentShader, parameters );\n\n\tvertexShader = unrollLoops( vertexShader );\n\tfragmentShader = unrollLoops( fragmentShader );\n\n\tif ( parameters.isWebGL2 && parameters.isRawShaderMaterial !== true ) {\n\n\t\t// GLSL 3.0 conversion for built-in materials and ShaderMaterial\n\n\t\tversionString = '#version 300 es\\n';\n\n\t\tprefixVertex = [\n\t\t\t'precision mediump sampler2DArray;',\n\t\t\t'#define attribute in',\n\t\t\t'#define varying out',\n\t\t\t'#define texture2D texture'\n\t\t].join( '\\n' ) + '\\n' + prefixVertex;\n\n\t\tprefixFragment = [\n\t\t\t'#define varying in',\n\t\t\t( parameters.glslVersion === GLSL3 ) ? '' : 'out highp vec4 pc_fragColor;',\n\t\t\t( parameters.glslVersion === GLSL3 ) ? '' : '#define gl_FragColor pc_fragColor',\n\t\t\t'#define gl_FragDepthEXT gl_FragDepth',\n\t\t\t'#define texture2D texture',\n\t\t\t'#define textureCube texture',\n\t\t\t'#define texture2DProj textureProj',\n\t\t\t'#define texture2DLodEXT textureLod',\n\t\t\t'#define texture2DProjLodEXT textureProjLod',\n\t\t\t'#define textureCubeLodEXT textureLod',\n\t\t\t'#define texture2DGradEXT textureGrad',\n\t\t\t'#define texture2DProjGradEXT textureProjGrad',\n\t\t\t'#define textureCubeGradEXT textureGrad'\n\t\t].join( '\\n' ) + '\\n' + prefixFragment;\n\n\t}\n\n\tconst vertexGlsl = versionString + prefixVertex + vertexShader;\n\tconst fragmentGlsl = versionString + prefixFragment + fragmentShader;\n\n\t// console.log( '*VERTEX*', vertexGlsl );\n\t// console.log( '*FRAGMENT*', fragmentGlsl );\n\n\tconst glVertexShader = WebGLShader( gl, 35633, vertexGlsl );\n\tconst glFragmentShader = WebGLShader( gl, 35632, fragmentGlsl );\n\n\tgl.attachShader( program, glVertexShader );\n\tgl.attachShader( program, glFragmentShader );\n\n\t// Force a particular attribute to index 0.\n\n\tif ( parameters.index0AttributeName !== undefined ) {\n\n\t\tgl.bindAttribLocation( program, 0, parameters.index0AttributeName );\n\n\t} else if ( parameters.morphTargets === true ) {\n\n\t\t// programs with morphTargets displace position out of attribute 0\n\t\tgl.bindAttribLocation( program, 0, 'position' );\n\n\t}\n\n\tgl.linkProgram( program );\n\n\t// check for link errors\n\tif ( renderer.debug.checkShaderErrors ) {\n\n\t\tconst programLog = gl.getProgramInfoLog( program ).trim();\n\t\tconst vertexLog = gl.getShaderInfoLog( glVertexShader ).trim();\n\t\tconst fragmentLog = gl.getShaderInfoLog( glFragmentShader ).trim();\n\n\t\tlet runnable = true;\n\t\tlet haveDiagnostics = true;\n\n\t\tif ( gl.getProgramParameter( program, 35714 ) === false ) {\n\n\t\t\trunnable = false;\n\n\t\t\tconst vertexErrors = getShaderErrors( gl, glVertexShader, 'vertex' );\n\t\t\tconst fragmentErrors = getShaderErrors( gl, glFragmentShader, 'fragment' );\n\n\t\t\tconsole.error(\n\t\t\t\t'THREE.WebGLProgram: Shader Error ' + gl.getError() + ' - ' +\n\t\t\t\t'VALIDATE_STATUS ' + gl.getProgramParameter( program, 35715 ) + '\\n\\n' +\n\t\t\t\t'Program Info Log: ' + programLog + '\\n' +\n\t\t\t\tvertexErrors + '\\n' +\n\t\t\t\tfragmentErrors\n\t\t\t);\n\n\t\t} else if ( programLog !== '' ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLProgram: Program Info Log:', programLog );\n\n\t\t} else if ( vertexLog === '' || fragmentLog === '' ) {\n\n\t\t\thaveDiagnostics = false;\n\n\t\t}\n\n\t\tif ( haveDiagnostics ) {\n\n\t\t\tthis.diagnostics = {\n\n\t\t\t\trunnable: runnable,\n\n\t\t\t\tprogramLog: programLog,\n\n\t\t\t\tvertexShader: {\n\n\t\t\t\t\tlog: vertexLog,\n\t\t\t\t\tprefix: prefixVertex\n\n\t\t\t\t},\n\n\t\t\t\tfragmentShader: {\n\n\t\t\t\t\tlog: fragmentLog,\n\t\t\t\t\tprefix: prefixFragment\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t}\n\n\t// Clean up\n\n\t// Crashes in iOS9 and iOS10. #18402\n\t// gl.detachShader( program, glVertexShader );\n\t// gl.detachShader( program, glFragmentShader );\n\n\tgl.deleteShader( glVertexShader );\n\tgl.deleteShader( glFragmentShader );\n\n\t// set up caching for uniform locations\n\n\tlet cachedUniforms;\n\n\tthis.getUniforms = function () {\n\n\t\tif ( cachedUniforms === undefined ) {\n\n\t\t\tcachedUniforms = new WebGLUniforms( gl, program );\n\n\t\t}\n\n\t\treturn cachedUniforms;\n\n\t};\n\n\t// set up caching for attribute locations\n\n\tlet cachedAttributes;\n\n\tthis.getAttributes = function () {\n\n\t\tif ( cachedAttributes === undefined ) {\n\n\t\t\tcachedAttributes = fetchAttributeLocations( gl, program );\n\n\t\t}\n\n\t\treturn cachedAttributes;\n\n\t};\n\n\t// free resource\n\n\tthis.destroy = function () {\n\n\t\tbindingStates.releaseStatesOfProgram( this );\n\n\t\tgl.deleteProgram( program );\n\t\tthis.program = undefined;\n\n\t};\n\n\t//\n\n\tthis.name = parameters.shaderName;\n\tthis.id = programIdCount ++;\n\tthis.cacheKey = cacheKey;\n\tthis.usedTimes = 1;\n\tthis.program = program;\n\tthis.vertexShader = glVertexShader;\n\tthis.fragmentShader = glFragmentShader;\n\n\treturn this;\n\n}\n\nfunction WebGLPrograms( renderer, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping ) {\n\n\tconst programs = [];\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\tconst logarithmicDepthBuffer = capabilities.logarithmicDepthBuffer;\n\tconst floatVertexTextures = capabilities.floatVertexTextures;\n\tconst maxVertexUniforms = capabilities.maxVertexUniforms;\n\tconst vertexTextures = capabilities.vertexTextures;\n\n\tlet precision = capabilities.precision;\n\n\tconst shaderIDs = {\n\t\tMeshDepthMaterial: 'depth',\n\t\tMeshDistanceMaterial: 'distanceRGBA',\n\t\tMeshNormalMaterial: 'normal',\n\t\tMeshBasicMaterial: 'basic',\n\t\tMeshLambertMaterial: 'lambert',\n\t\tMeshPhongMaterial: 'phong',\n\t\tMeshToonMaterial: 'toon',\n\t\tMeshStandardMaterial: 'physical',\n\t\tMeshPhysicalMaterial: 'physical',\n\t\tMeshMatcapMaterial: 'matcap',\n\t\tLineBasicMaterial: 'basic',\n\t\tLineDashedMaterial: 'dashed',\n\t\tPointsMaterial: 'points',\n\t\tShadowMaterial: 'shadow',\n\t\tSpriteMaterial: 'sprite'\n\t};\n\n\tconst parameterNames = [\n\t\t'precision', 'isWebGL2', 'supportsVertexTextures', 'outputEncoding', 'instancing', 'instancingColor',\n\t\t'map', 'mapEncoding', 'matcap', 'matcapEncoding', 'envMap', 'envMapMode', 'envMapEncoding', 'envMapCubeUV',\n\t\t'lightMap', 'lightMapEncoding', 'aoMap', 'emissiveMap', 'emissiveMapEncoding', 'bumpMap', 'normalMap',\n\t\t'objectSpaceNormalMap', 'tangentSpaceNormalMap',\n\t\t'clearcoat', 'clearcoatMap', 'clearcoatRoughnessMap', 'clearcoatNormalMap',\n\t\t'displacementMap', 'specularMap', , 'roughnessMap', 'metalnessMap', 'gradientMap',\n\t\t'alphaMap', 'alphaTest', 'combine', 'vertexColors', 'vertexAlphas', 'vertexTangents', 'vertexUvs', 'uvsVertexOnly', 'fog', 'useFog', 'fogExp2',\n\t\t'flatShading', 'sizeAttenuation', 'logarithmicDepthBuffer', 'skinning',\n\t\t'maxBones', 'useVertexTexture', 'morphTargets', 'morphNormals', 'morphTargetsCount', 'premultipliedAlpha',\n\t\t'numDirLights', 'numPointLights', 'numSpotLights', 'numHemiLights', 'numRectAreaLights',\n\t\t'numDirLightShadows', 'numPointLightShadows', 'numSpotLightShadows',\n\t\t'shadowMapEnabled', 'shadowMapType', 'toneMapping', 'physicallyCorrectLights',\n\t\t'doubleSided', 'flipSided', 'numClippingPlanes', 'numClipIntersection', 'depthPacking', 'dithering', 'format',\n\t\t'specularIntensityMap', 'specularColorMap', 'specularColorMapEncoding',\n\t\t'transmission', 'transmissionMap', 'thicknessMap',\n\t\t'sheen', 'sheenColorMap', 'sheenColorMapEncoding', 'sheenRoughnessMap'\n\t];\n\n\tfunction getMaxBones( object ) {\n\n\t\tconst skeleton = object.skeleton;\n\t\tconst bones = skeleton.bones;\n\n\t\tif ( floatVertexTextures ) {\n\n\t\t\treturn 1024;\n\n\t\t} else {\n\n\t\t\t// default for when object is not specified\n\t\t\t// ( for example when prebuilding shader to be used with multiple objects )\n\t\t\t//\n\t\t\t// - leave some extra space for other uniforms\n\t\t\t// - limit here is ANGLE's 254 max uniform vectors\n\t\t\t// (up to 54 should be safe)\n\n\t\t\tconst nVertexUniforms = maxVertexUniforms;\n\t\t\tconst nVertexMatrices = Math.floor( ( nVertexUniforms - 20 ) / 4 );\n\n\t\t\tconst maxBones = Math.min( nVertexMatrices, bones.length );\n\n\t\t\tif ( maxBones < bones.length ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Skeleton has ' + bones.length + ' bones. This GPU supports ' + maxBones + '.' );\n\t\t\t\treturn 0;\n\n\t\t\t}\n\n\t\t\treturn maxBones;\n\n\t\t}\n\n\t}\n\n\tfunction getTextureEncodingFromMap( map ) {\n\n\t\tlet encoding;\n\n\t\tif ( map && map.isTexture ) {\n\n\t\t\tencoding = map.encoding;\n\n\t\t} else if ( map && map.isWebGLRenderTarget ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLPrograms.getTextureEncodingFromMap: don\\'t use render targets as textures. Use their .texture property instead.' );\n\t\t\tencoding = map.texture.encoding;\n\n\t\t} else {\n\n\t\t\tencoding = LinearEncoding;\n\n\t\t}\n\n\t\t/* if ( isWebGL2 && map && map.isTexture && map.format === RGBAFormat && map.type === UnsignedByteType && map.encoding === sRGBEncoding ) {\n\n\t\t\tencoding = LinearEncoding; // disable inline decode for sRGB textures in WebGL 2\n\n\t\t} */\n\n\t\treturn encoding;\n\n\t}\n\n\tfunction getParameters( material, lights, shadows, scene, object ) {\n\n\t\tconst fog = scene.fog;\n\t\tconst environment = material.isMeshStandardMaterial ? scene.environment : null;\n\n\t\tconst envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || environment );\n\n\t\tconst shaderID = shaderIDs[ material.type ];\n\n\t\t// heuristics to create shader parameters according to lights in the scene\n\t\t// (not to blow over maxLights budget)\n\n\t\tconst maxBones = object.isSkinnedMesh ? getMaxBones( object ) : 0;\n\n\t\tif ( material.precision !== null ) {\n\n\t\t\tprecision = capabilities.getMaxPrecision( material.precision );\n\n\t\t\tif ( precision !== material.precision ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' );\n\n\t\t\t}\n\n\t\t}\n\n\t\tlet vertexShader, fragmentShader;\n\n\t\tif ( shaderID ) {\n\n\t\t\tconst shader = ShaderLib[ shaderID ];\n\n\t\t\tvertexShader = shader.vertexShader;\n\t\t\tfragmentShader = shader.fragmentShader;\n\n\t\t} else {\n\n\t\t\tvertexShader = material.vertexShader;\n\t\t\tfragmentShader = material.fragmentShader;\n\n\t\t}\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\tconst useAlphaTest = material.alphaTest > 0;\n\t\tconst useClearcoat = material.clearcoat > 0;\n\n\t\tconst parameters = {\n\n\t\t\tisWebGL2: isWebGL2,\n\n\t\t\tshaderID: shaderID,\n\t\t\tshaderName: material.type,\n\n\t\t\tvertexShader: vertexShader,\n\t\t\tfragmentShader: fragmentShader,\n\t\t\tdefines: material.defines,\n\n\t\t\tisRawShaderMaterial: material.isRawShaderMaterial === true,\n\t\t\tglslVersion: material.glslVersion,\n\n\t\t\tprecision: precision,\n\n\t\t\tinstancing: object.isInstancedMesh === true,\n\t\t\tinstancingColor: object.isInstancedMesh === true && object.instanceColor !== null,\n\n\t\t\tsupportsVertexTextures: vertexTextures,\n\t\t\toutputEncoding: ( currentRenderTarget !== null ) ? getTextureEncodingFromMap( currentRenderTarget.texture ) : renderer.outputEncoding,\n\t\t\tmap: !! material.map,\n\t\t\tmapEncoding: getTextureEncodingFromMap( material.map ),\n\t\t\tmatcap: !! material.matcap,\n\t\t\tmatcapEncoding: getTextureEncodingFromMap( material.matcap ),\n\t\t\tenvMap: !! envMap,\n\t\t\tenvMapMode: envMap && envMap.mapping,\n\t\t\tenvMapEncoding: getTextureEncodingFromMap( envMap ),\n\t\t\tenvMapCubeUV: ( !! envMap ) && ( ( envMap.mapping === CubeUVReflectionMapping ) || ( envMap.mapping === CubeUVRefractionMapping ) ),\n\t\t\tlightMap: !! material.lightMap,\n\t\t\tlightMapEncoding: getTextureEncodingFromMap( material.lightMap ),\n\t\t\taoMap: !! material.aoMap,\n\t\t\temissiveMap: !! material.emissiveMap,\n\t\t\temissiveMapEncoding: getTextureEncodingFromMap( material.emissiveMap ),\n\t\t\tbumpMap: !! material.bumpMap,\n\t\t\tnormalMap: !! material.normalMap,\n\t\t\tobjectSpaceNormalMap: material.normalMapType === ObjectSpaceNormalMap,\n\t\t\ttangentSpaceNormalMap: material.normalMapType === TangentSpaceNormalMap,\n\n\t\t\tclearcoat: useClearcoat,\n\t\t\tclearcoatMap: useClearcoat && !! material.clearcoatMap,\n\t\t\tclearcoatRoughnessMap: useClearcoat && !! material.clearcoatRoughnessMap,\n\t\t\tclearcoatNormalMap: useClearcoat && !! material.clearcoatNormalMap,\n\n\t\t\tdisplacementMap: !! material.displacementMap,\n\t\t\troughnessMap: !! material.roughnessMap,\n\t\t\tmetalnessMap: !! material.metalnessMap,\n\t\t\tspecularMap: !! material.specularMap,\n\t\t\tspecularIntensityMap: !! material.specularIntensityMap,\n\t\t\tspecularColorMap: !! material.specularColorMap,\n\t\t\tspecularColorMapEncoding: getTextureEncodingFromMap( material.specularColorMap ),\n\n\t\t\talphaMap: !! material.alphaMap,\n\t\t\talphaTest: useAlphaTest,\n\n\t\t\tgradientMap: !! material.gradientMap,\n\n\t\t\tsheen: material.sheen > 0,\n\t\t\tsheenColorMap: !! material.sheenColorMap,\n\t\t\tsheenColorMapEncoding: getTextureEncodingFromMap( material.sheenColorMap ),\n\t\t\tsheenRoughnessMap: !! material.sheenRoughnessMap,\n\n\t\t\ttransmission: material.transmission > 0,\n\t\t\ttransmissionMap: !! material.transmissionMap,\n\t\t\tthicknessMap: !! material.thicknessMap,\n\n\t\t\tcombine: material.combine,\n\n\t\t\tvertexTangents: ( !! material.normalMap && !! object.geometry && !! object.geometry.attributes.tangent ),\n\t\t\tvertexColors: material.vertexColors,\n\t\t\tvertexAlphas: material.vertexColors === true && !! object.geometry && !! object.geometry.attributes.color && object.geometry.attributes.color.itemSize === 4,\n\t\t\tvertexUvs: !! material.map || !! material.bumpMap || !! material.normalMap || !! material.specularMap || !! material.alphaMap || !! material.emissiveMap || !! material.roughnessMap || !! material.metalnessMap || !! material.clearcoatMap || !! material.clearcoatRoughnessMap || !! material.clearcoatNormalMap || !! material.displacementMap || !! material.transmissionMap || !! material.thicknessMap || !! material.specularIntensityMap || !! material.specularColorMap || !! material.sheenColorMap || material.sheenRoughnessMap,\n\t\t\tuvsVertexOnly: ! ( !! material.map || !! material.bumpMap || !! material.normalMap || !! material.specularMap || !! material.alphaMap || !! material.emissiveMap || !! material.roughnessMap || !! material.metalnessMap || !! material.clearcoatNormalMap || material.transmission > 0 || !! material.transmissionMap || !! material.thicknessMap || !! material.specularIntensityMap || !! material.specularColorMap || material.sheen > 0 || !! material.sheenColorMap || !! material.sheenRoughnessMap ) && !! material.displacementMap,\n\n\t\t\tfog: !! fog,\n\t\t\tuseFog: material.fog,\n\t\t\tfogExp2: ( fog && fog.isFogExp2 ),\n\n\t\t\tflatShading: !! material.flatShading,\n\n\t\t\tsizeAttenuation: material.sizeAttenuation,\n\t\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\n\t\t\tskinning: object.isSkinnedMesh === true && maxBones > 0,\n\t\t\tmaxBones: maxBones,\n\t\t\tuseVertexTexture: floatVertexTextures,\n\n\t\t\tmorphTargets: !! object.geometry && !! object.geometry.morphAttributes.position,\n\t\t\tmorphNormals: !! object.geometry && !! object.geometry.morphAttributes.normal,\n\t\t\tmorphTargetsCount: ( !! object.geometry && !! object.geometry.morphAttributes.position ) ? object.geometry.morphAttributes.position.length : 0,\n\n\t\t\tnumDirLights: lights.directional.length,\n\t\t\tnumPointLights: lights.point.length,\n\t\t\tnumSpotLights: lights.spot.length,\n\t\t\tnumRectAreaLights: lights.rectArea.length,\n\t\t\tnumHemiLights: lights.hemi.length,\n\n\t\t\tnumDirLightShadows: lights.directionalShadowMap.length,\n\t\t\tnumPointLightShadows: lights.pointShadowMap.length,\n\t\t\tnumSpotLightShadows: lights.spotShadowMap.length,\n\n\t\t\tnumClippingPlanes: clipping.numPlanes,\n\t\t\tnumClipIntersection: clipping.numIntersection,\n\n\t\t\tformat: material.format,\n\t\t\tdithering: material.dithering,\n\n\t\t\tshadowMapEnabled: renderer.shadowMap.enabled && shadows.length > 0,\n\t\t\tshadowMapType: renderer.shadowMap.type,\n\n\t\t\ttoneMapping: material.toneMapped ? renderer.toneMapping : NoToneMapping,\n\t\t\tphysicallyCorrectLights: renderer.physicallyCorrectLights,\n\n\t\t\tpremultipliedAlpha: material.premultipliedAlpha,\n\n\t\t\tdoubleSided: material.side === DoubleSide,\n\t\t\tflipSided: material.side === BackSide,\n\n\t\t\tdepthPacking: ( material.depthPacking !== undefined ) ? material.depthPacking : false,\n\n\t\t\tindex0AttributeName: material.index0AttributeName,\n\n\t\t\textensionDerivatives: material.extensions && material.extensions.derivatives,\n\t\t\textensionFragDepth: material.extensions && material.extensions.fragDepth,\n\t\t\textensionDrawBuffers: material.extensions && material.extensions.drawBuffers,\n\t\t\textensionShaderTextureLOD: material.extensions && material.extensions.shaderTextureLOD,\n\n\t\t\trendererExtensionFragDepth: isWebGL2 || extensions.has( 'EXT_frag_depth' ),\n\t\t\trendererExtensionDrawBuffers: isWebGL2 || extensions.has( 'WEBGL_draw_buffers' ),\n\t\t\trendererExtensionShaderTextureLod: isWebGL2 || extensions.has( 'EXT_shader_texture_lod' ),\n\n\t\t\tcustomProgramCacheKey: material.customProgramCacheKey()\n\n\t\t};\n\n\t\treturn parameters;\n\n\t}\n\n\tfunction getProgramCacheKey( parameters ) {\n\n\t\tconst array = [];\n\n\t\tif ( parameters.shaderID ) {\n\n\t\t\tarray.push( parameters.shaderID );\n\n\t\t} else {\n\n\t\t\tarray.push( hashString( parameters.fragmentShader ) );\n\t\t\tarray.push( hashString( parameters.vertexShader ) );\n\n\t\t}\n\n\t\tif ( parameters.defines !== undefined ) {\n\n\t\t\tfor ( const name in parameters.defines ) {\n\n\t\t\t\tarray.push( name );\n\t\t\t\tarray.push( parameters.defines[ name ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( parameters.isRawShaderMaterial === false ) {\n\n\t\t\tfor ( let i = 0; i < parameterNames.length; i ++ ) {\n\n\t\t\t\tarray.push( parameters[ parameterNames[ i ] ] );\n\n\t\t\t}\n\n\t\t\tarray.push( renderer.outputEncoding );\n\t\t\tarray.push( renderer.gammaFactor );\n\n\t\t}\n\n\t\tarray.push( parameters.customProgramCacheKey );\n\n\t\treturn array.join();\n\n\t}\n\n\tfunction getUniforms( material ) {\n\n\t\tconst shaderID = shaderIDs[ material.type ];\n\t\tlet uniforms;\n\n\t\tif ( shaderID ) {\n\n\t\t\tconst shader = ShaderLib[ shaderID ];\n\t\t\tuniforms = UniformsUtils.clone( shader.uniforms );\n\n\t\t} else {\n\n\t\t\tuniforms = material.uniforms;\n\n\t\t}\n\n\t\treturn uniforms;\n\n\t}\n\n\tfunction acquireProgram( parameters, cacheKey ) {\n\n\t\tlet program;\n\n\t\t// Check if code has been already compiled\n\t\tfor ( let p = 0, pl = programs.length; p < pl; p ++ ) {\n\n\t\t\tconst preexistingProgram = programs[ p ];\n\n\t\t\tif ( preexistingProgram.cacheKey === cacheKey ) {\n\n\t\t\t\tprogram = preexistingProgram;\n\t\t\t\t++ program.usedTimes;\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( program === undefined ) {\n\n\t\t\tprogram = new WebGLProgram( renderer, cacheKey, parameters, bindingStates );\n\t\t\tprograms.push( program );\n\n\t\t}\n\n\t\treturn program;\n\n\t}\n\n\tfunction releaseProgram( program ) {\n\n\t\tif ( -- program.usedTimes === 0 ) {\n\n\t\t\t// Remove from unordered set\n\t\t\tconst i = programs.indexOf( program );\n\t\t\tprograms[ i ] = programs[ programs.length - 1 ];\n\t\t\tprograms.pop();\n\n\t\t\t// Free WebGL resources\n\t\t\tprogram.destroy();\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tgetParameters: getParameters,\n\t\tgetProgramCacheKey: getProgramCacheKey,\n\t\tgetUniforms: getUniforms,\n\t\tacquireProgram: acquireProgram,\n\t\treleaseProgram: releaseProgram,\n\t\t// Exposed for resource monitoring & error feedback via renderer.info:\n\t\tprograms: programs\n\t};\n\n}\n\nfunction WebGLProperties() {\n\n\tlet properties = new WeakMap();\n\n\tfunction get( object ) {\n\n\t\tlet map = properties.get( object );\n\n\t\tif ( map === undefined ) {\n\n\t\t\tmap = {};\n\t\t\tproperties.set( object, map );\n\n\t\t}\n\n\t\treturn map;\n\n\t}\n\n\tfunction remove( object ) {\n\n\t\tproperties.delete( object );\n\n\t}\n\n\tfunction update( object, key, value ) {\n\n\t\tproperties.get( object )[ key ] = value;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tproperties = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tremove: remove,\n\t\tupdate: update,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction painterSortStable( a, b ) {\n\n\tif ( a.groupOrder !== b.groupOrder ) {\n\n\t\treturn a.groupOrder - b.groupOrder;\n\n\t} else if ( a.renderOrder !== b.renderOrder ) {\n\n\t\treturn a.renderOrder - b.renderOrder;\n\n\t} else if ( a.program !== b.program ) {\n\n\t\treturn a.program.id - b.program.id;\n\n\t} else if ( a.material.id !== b.material.id ) {\n\n\t\treturn a.material.id - b.material.id;\n\n\t} else if ( a.z !== b.z ) {\n\n\t\treturn a.z - b.z;\n\n\t} else {\n\n\t\treturn a.id - b.id;\n\n\t}\n\n}\n\nfunction reversePainterSortStable( a, b ) {\n\n\tif ( a.groupOrder !== b.groupOrder ) {\n\n\t\treturn a.groupOrder - b.groupOrder;\n\n\t} else if ( a.renderOrder !== b.renderOrder ) {\n\n\t\treturn a.renderOrder - b.renderOrder;\n\n\t} else if ( a.z !== b.z ) {\n\n\t\treturn b.z - a.z;\n\n\t} else {\n\n\t\treturn a.id - b.id;\n\n\t}\n\n}\n\n\nfunction WebGLRenderList( properties ) {\n\n\tconst renderItems = [];\n\tlet renderItemsIndex = 0;\n\n\tconst opaque = [];\n\tconst transmissive = [];\n\tconst transparent = [];\n\n\tconst defaultProgram = { id: - 1 };\n\n\tfunction init() {\n\n\t\trenderItemsIndex = 0;\n\n\t\topaque.length = 0;\n\t\ttransmissive.length = 0;\n\t\ttransparent.length = 0;\n\n\t}\n\n\tfunction getNextRenderItem( object, geometry, material, groupOrder, z, group ) {\n\n\t\tlet renderItem = renderItems[ renderItemsIndex ];\n\t\tconst materialProperties = properties.get( material );\n\n\t\tif ( renderItem === undefined ) {\n\n\t\t\trenderItem = {\n\t\t\t\tid: object.id,\n\t\t\t\tobject: object,\n\t\t\t\tgeometry: geometry,\n\t\t\t\tmaterial: material,\n\t\t\t\tprogram: materialProperties.program || defaultProgram,\n\t\t\t\tgroupOrder: groupOrder,\n\t\t\t\trenderOrder: object.renderOrder,\n\t\t\t\tz: z,\n\t\t\t\tgroup: group\n\t\t\t};\n\n\t\t\trenderItems[ renderItemsIndex ] = renderItem;\n\n\t\t} else {\n\n\t\t\trenderItem.id = object.id;\n\t\t\trenderItem.object = object;\n\t\t\trenderItem.geometry = geometry;\n\t\t\trenderItem.material = material;\n\t\t\trenderItem.program = materialProperties.program || defaultProgram;\n\t\t\trenderItem.groupOrder = groupOrder;\n\t\t\trenderItem.renderOrder = object.renderOrder;\n\t\t\trenderItem.z = z;\n\t\t\trenderItem.group = group;\n\n\t\t}\n\n\t\trenderItemsIndex ++;\n\n\t\treturn renderItem;\n\n\t}\n\n\tfunction push( object, geometry, material, groupOrder, z, group ) {\n\n\t\tconst renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group );\n\n\t\tif ( material.transmission > 0.0 ) {\n\n\t\t\ttransmissive.push( renderItem );\n\n\t\t} else if ( material.transparent === true ) {\n\n\t\t\ttransparent.push( renderItem );\n\n\t\t} else {\n\n\t\t\topaque.push( renderItem );\n\n\t\t}\n\n\t}\n\n\tfunction unshift( object, geometry, material, groupOrder, z, group ) {\n\n\t\tconst renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group );\n\n\t\tif ( material.transmission > 0.0 ) {\n\n\t\t\ttransmissive.unshift( renderItem );\n\n\t\t} else if ( material.transparent === true ) {\n\n\t\t\ttransparent.unshift( renderItem );\n\n\t\t} else {\n\n\t\t\topaque.unshift( renderItem );\n\n\t\t}\n\n\t}\n\n\tfunction sort( customOpaqueSort, customTransparentSort ) {\n\n\t\tif ( opaque.length > 1 ) opaque.sort( customOpaqueSort || painterSortStable );\n\t\tif ( transmissive.length > 1 ) transmissive.sort( customTransparentSort || reversePainterSortStable );\n\t\tif ( transparent.length > 1 ) transparent.sort( customTransparentSort || reversePainterSortStable );\n\n\t}\n\n\tfunction finish() {\n\n\t\t// Clear references from inactive renderItems in the list\n\n\t\tfor ( let i = renderItemsIndex, il = renderItems.length; i < il; i ++ ) {\n\n\t\t\tconst renderItem = renderItems[ i ];\n\n\t\t\tif ( renderItem.id === null ) break;\n\n\t\t\trenderItem.id = null;\n\t\t\trenderItem.object = null;\n\t\t\trenderItem.geometry = null;\n\t\t\trenderItem.material = null;\n\t\t\trenderItem.program = null;\n\t\t\trenderItem.group = null;\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\topaque: opaque,\n\t\ttransmissive: transmissive,\n\t\ttransparent: transparent,\n\n\t\tinit: init,\n\t\tpush: push,\n\t\tunshift: unshift,\n\t\tfinish: finish,\n\n\t\tsort: sort\n\t};\n\n}\n\nfunction WebGLRenderLists( properties ) {\n\n\tlet lists = new WeakMap();\n\n\tfunction get( scene, renderCallDepth ) {\n\n\t\tlet list;\n\n\t\tif ( lists.has( scene ) === false ) {\n\n\t\t\tlist = new WebGLRenderList( properties );\n\t\t\tlists.set( scene, [ list ] );\n\n\t\t} else {\n\n\t\t\tif ( renderCallDepth >= lists.get( scene ).length ) {\n\n\t\t\t\tlist = new WebGLRenderList( properties );\n\t\t\t\tlists.get( scene ).push( list );\n\n\t\t\t} else {\n\n\t\t\t\tlist = lists.get( scene )[ renderCallDepth ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn list;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tlists = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction UniformsCache() {\n\n\tconst lights = {};\n\n\treturn {\n\n\t\tget: function ( light ) {\n\n\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\treturn lights[ light.id ];\n\n\t\t\t}\n\n\t\t\tlet uniforms;\n\n\t\t\tswitch ( light.type ) {\n\n\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tcolor: new Color()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'SpotLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\tconeCos: 0,\n\t\t\t\t\t\tpenumbraCos: 0,\n\t\t\t\t\t\tdecay: 0\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'PointLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\tdecay: 0\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'HemisphereLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tskyColor: new Color(),\n\t\t\t\t\t\tgroundColor: new Color()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'RectAreaLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\thalfWidth: new Vector3(),\n\t\t\t\t\t\thalfHeight: new Vector3()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\treturn uniforms;\n\n\t\t}\n\n\t};\n\n}\n\nfunction ShadowUniformsCache() {\n\n\tconst lights = {};\n\n\treturn {\n\n\t\tget: function ( light ) {\n\n\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\treturn lights[ light.id ];\n\n\t\t\t}\n\n\t\t\tlet uniforms;\n\n\t\t\tswitch ( light.type ) {\n\n\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'SpotLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'PointLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2(),\n\t\t\t\t\t\tshadowCameraNear: 1,\n\t\t\t\t\t\tshadowCameraFar: 1000\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\t// TODO (abelnation): set RectAreaLight shadow uniforms\n\n\t\t\t}\n\n\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\treturn uniforms;\n\n\t\t}\n\n\t};\n\n}\n\n\n\nlet nextVersion = 0;\n\nfunction shadowCastingLightsFirst( lightA, lightB ) {\n\n\treturn ( lightB.castShadow ? 1 : 0 ) - ( lightA.castShadow ? 1 : 0 );\n\n}\n\nfunction WebGLLights( extensions, capabilities ) {\n\n\tconst cache = new UniformsCache();\n\n\tconst shadowCache = ShadowUniformsCache();\n\n\tconst state = {\n\n\t\tversion: 0,\n\n\t\thash: {\n\t\t\tdirectionalLength: - 1,\n\t\t\tpointLength: - 1,\n\t\t\tspotLength: - 1,\n\t\t\trectAreaLength: - 1,\n\t\t\themiLength: - 1,\n\n\t\t\tnumDirectionalShadows: - 1,\n\t\t\tnumPointShadows: - 1,\n\t\t\tnumSpotShadows: - 1\n\t\t},\n\n\t\tambient: [ 0, 0, 0 ],\n\t\tprobe: [],\n\t\tdirectional: [],\n\t\tdirectionalShadow: [],\n\t\tdirectionalShadowMap: [],\n\t\tdirectionalShadowMatrix: [],\n\t\tspot: [],\n\t\tspotShadow: [],\n\t\tspotShadowMap: [],\n\t\tspotShadowMatrix: [],\n\t\trectArea: [],\n\t\trectAreaLTC1: null,\n\t\trectAreaLTC2: null,\n\t\tpoint: [],\n\t\tpointShadow: [],\n\t\tpointShadowMap: [],\n\t\tpointShadowMatrix: [],\n\t\themi: []\n\n\t};\n\n\tfor ( let i = 0; i < 9; i ++ ) state.probe.push( new Vector3() );\n\n\tconst vector3 = new Vector3();\n\tconst matrix4 = new Matrix4();\n\tconst matrix42 = new Matrix4();\n\n\tfunction setup( lights, physicallyCorrectLights ) {\n\n\t\tlet r = 0, g = 0, b = 0;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) state.probe[ i ].set( 0, 0, 0 );\n\n\t\tlet directionalLength = 0;\n\t\tlet pointLength = 0;\n\t\tlet spotLength = 0;\n\t\tlet rectAreaLength = 0;\n\t\tlet hemiLength = 0;\n\n\t\tlet numDirectionalShadows = 0;\n\t\tlet numPointShadows = 0;\n\t\tlet numSpotShadows = 0;\n\n\t\tlights.sort( shadowCastingLightsFirst );\n\n\t\t// artist-friendly light intensity scaling factor\n\t\tconst scaleFactor = ( physicallyCorrectLights !== true ) ? Math.PI : 1;\n\n\t\tfor ( let i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\n\t\t\tconst color = light.color;\n\t\t\tconst intensity = light.intensity;\n\t\t\tconst distance = light.distance;\n\n\t\t\tconst shadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null;\n\n\t\t\tif ( light.isAmbientLight ) {\n\n\t\t\t\tr += color.r * intensity * scaleFactor;\n\t\t\t\tg += color.g * intensity * scaleFactor;\n\t\t\t\tb += color.b * intensity * scaleFactor;\n\n\t\t\t} else if ( light.isLightProbe ) {\n\n\t\t\t\tfor ( let j = 0; j < 9; j ++ ) {\n\n\t\t\t\t\tstate.probe[ j ].addScaledVector( light.sh.coefficients[ j ], intensity );\n\n\t\t\t\t}\n\n\t\t\t} else if ( light.isDirectionalLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity * scaleFactor );\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\n\t\t\t\t\tstate.directionalShadow[ directionalLength ] = shadowUniforms;\n\t\t\t\t\tstate.directionalShadowMap[ directionalLength ] = shadowMap;\n\t\t\t\t\tstate.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix;\n\n\t\t\t\t\tnumDirectionalShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.directional[ directionalLength ] = uniforms;\n\n\t\t\t\tdirectionalLength ++;\n\n\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\n\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity * scaleFactor );\n\t\t\t\tuniforms.distance = distance;\n\n\t\t\t\tuniforms.coneCos = Math.cos( light.angle );\n\t\t\t\tuniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) );\n\t\t\t\tuniforms.decay = light.decay;\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\n\t\t\t\t\tstate.spotShadow[ spotLength ] = shadowUniforms;\n\t\t\t\t\tstate.spotShadowMap[ spotLength ] = shadowMap;\n\t\t\t\t\tstate.spotShadowMatrix[ spotLength ] = light.shadow.matrix;\n\n\t\t\t\t\tnumSpotShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.spot[ spotLength ] = uniforms;\n\n\t\t\t\tspotLength ++;\n\n\t\t\t} else if ( light.isRectAreaLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\t// (a) intensity is the total visible light emitted\n\t\t\t\t//uniforms.color.copy( color ).multiplyScalar( intensity / ( light.width * light.height * Math.PI ) );\n\n\t\t\t\t// (b) intensity is the brightness of the light\n\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity );\n\n\t\t\t\tuniforms.halfWidth.set( light.width * 0.5, 0.0, 0.0 );\n\t\t\t\tuniforms.halfHeight.set( 0.0, light.height * 0.5, 0.0 );\n\n\t\t\t\tstate.rectArea[ rectAreaLength ] = uniforms;\n\n\t\t\t\trectAreaLength ++;\n\n\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity * scaleFactor );\n\t\t\t\tuniforms.distance = light.distance;\n\t\t\t\tuniforms.decay = light.decay;\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\t\t\t\t\tshadowUniforms.shadowCameraNear = shadow.camera.near;\n\t\t\t\t\tshadowUniforms.shadowCameraFar = shadow.camera.far;\n\n\t\t\t\t\tstate.pointShadow[ pointLength ] = shadowUniforms;\n\t\t\t\t\tstate.pointShadowMap[ pointLength ] = shadowMap;\n\t\t\t\t\tstate.pointShadowMatrix[ pointLength ] = light.shadow.matrix;\n\n\t\t\t\t\tnumPointShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.point[ pointLength ] = uniforms;\n\n\t\t\t\tpointLength ++;\n\n\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.skyColor.copy( light.color ).multiplyScalar( intensity * scaleFactor );\n\t\t\t\tuniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity * scaleFactor );\n\n\t\t\t\tstate.hemi[ hemiLength ] = uniforms;\n\n\t\t\t\themiLength ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( rectAreaLength > 0 ) {\n\n\t\t\tif ( capabilities.isWebGL2 ) {\n\n\t\t\t\t// WebGL 2\n\n\t\t\t\tstate.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1;\n\t\t\t\tstate.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2;\n\n\t\t\t} else {\n\n\t\t\t\t// WebGL 1\n\n\t\t\t\tif ( extensions.has( 'OES_texture_float_linear' ) === true ) {\n\n\t\t\t\t\tstate.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1;\n\t\t\t\t\tstate.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2;\n\n\t\t\t\t} else if ( extensions.has( 'OES_texture_half_float_linear' ) === true ) {\n\n\t\t\t\t\tstate.rectAreaLTC1 = UniformsLib.LTC_HALF_1;\n\t\t\t\t\tstate.rectAreaLTC2 = UniformsLib.LTC_HALF_2;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer: Unable to use RectAreaLight. Missing WebGL extensions.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.ambient[ 0 ] = r;\n\t\tstate.ambient[ 1 ] = g;\n\t\tstate.ambient[ 2 ] = b;\n\n\t\tconst hash = state.hash;\n\n\t\tif ( hash.directionalLength !== directionalLength ||\n\t\t\thash.pointLength !== pointLength ||\n\t\t\thash.spotLength !== spotLength ||\n\t\t\thash.rectAreaLength !== rectAreaLength ||\n\t\t\thash.hemiLength !== hemiLength ||\n\t\t\thash.numDirectionalShadows !== numDirectionalShadows ||\n\t\t\thash.numPointShadows !== numPointShadows ||\n\t\t\thash.numSpotShadows !== numSpotShadows ) {\n\n\t\t\tstate.directional.length = directionalLength;\n\t\t\tstate.spot.length = spotLength;\n\t\t\tstate.rectArea.length = rectAreaLength;\n\t\t\tstate.point.length = pointLength;\n\t\t\tstate.hemi.length = hemiLength;\n\n\t\t\tstate.directionalShadow.length = numDirectionalShadows;\n\t\t\tstate.directionalShadowMap.length = numDirectionalShadows;\n\t\t\tstate.pointShadow.length = numPointShadows;\n\t\t\tstate.pointShadowMap.length = numPointShadows;\n\t\t\tstate.spotShadow.length = numSpotShadows;\n\t\t\tstate.spotShadowMap.length = numSpotShadows;\n\t\t\tstate.directionalShadowMatrix.length = numDirectionalShadows;\n\t\t\tstate.pointShadowMatrix.length = numPointShadows;\n\t\t\tstate.spotShadowMatrix.length = numSpotShadows;\n\n\t\t\thash.directionalLength = directionalLength;\n\t\t\thash.pointLength = pointLength;\n\t\t\thash.spotLength = spotLength;\n\t\t\thash.rectAreaLength = rectAreaLength;\n\t\t\thash.hemiLength = hemiLength;\n\n\t\t\thash.numDirectionalShadows = numDirectionalShadows;\n\t\t\thash.numPointShadows = numPointShadows;\n\t\t\thash.numSpotShadows = numSpotShadows;\n\n\t\t\tstate.version = nextVersion ++;\n\n\t\t}\n\n\t}\n\n\tfunction setupView( lights, camera ) {\n\n\t\tlet directionalLength = 0;\n\t\tlet pointLength = 0;\n\t\tlet spotLength = 0;\n\t\tlet rectAreaLength = 0;\n\t\tlet hemiLength = 0;\n\n\t\tconst viewMatrix = camera.matrixWorldInverse;\n\n\t\tfor ( let i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\n\t\t\tif ( light.isDirectionalLight ) {\n\n\t\t\t\tconst uniforms = state.directional[ directionalLength ];\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tvector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\tuniforms.direction.sub( vector3 );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\tdirectionalLength ++;\n\n\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\tconst uniforms = state.spot[ spotLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tvector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\tuniforms.direction.sub( vector3 );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\tspotLength ++;\n\n\t\t\t} else if ( light.isRectAreaLight ) {\n\n\t\t\t\tconst uniforms = state.rectArea[ rectAreaLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t// extract local rotation of light to derive width/height half vectors\n\t\t\t\tmatrix42.identity();\n\t\t\t\tmatrix4.copy( light.matrixWorld );\n\t\t\t\tmatrix4.premultiply( viewMatrix );\n\t\t\t\tmatrix42.extractRotation( matrix4 );\n\n\t\t\t\tuniforms.halfWidth.set( light.width * 0.5, 0.0, 0.0 );\n\t\t\t\tuniforms.halfHeight.set( 0.0, light.height * 0.5, 0.0 );\n\n\t\t\t\tuniforms.halfWidth.applyMatrix4( matrix42 );\n\t\t\t\tuniforms.halfHeight.applyMatrix4( matrix42 );\n\n\t\t\t\trectAreaLength ++;\n\n\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\tconst uniforms = state.point[ pointLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\tpointLength ++;\n\n\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\tconst uniforms = state.hemi[ hemiLength ];\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\t\t\t\tuniforms.direction.normalize();\n\n\t\t\t\themiLength ++;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tsetup: setup,\n\t\tsetupView: setupView,\n\t\tstate: state\n\t};\n\n}\n\nfunction WebGLRenderState( extensions, capabilities ) {\n\n\tconst lights = new WebGLLights( extensions, capabilities );\n\n\tconst lightsArray = [];\n\tconst shadowsArray = [];\n\n\tfunction init() {\n\n\t\tlightsArray.length = 0;\n\t\tshadowsArray.length = 0;\n\n\t}\n\n\tfunction pushLight( light ) {\n\n\t\tlightsArray.push( light );\n\n\t}\n\n\tfunction pushShadow( shadowLight ) {\n\n\t\tshadowsArray.push( shadowLight );\n\n\t}\n\n\tfunction setupLights( physicallyCorrectLights ) {\n\n\t\tlights.setup( lightsArray, physicallyCorrectLights );\n\n\t}\n\n\tfunction setupLightsView( camera ) {\n\n\t\tlights.setupView( lightsArray, camera );\n\n\t}\n\n\tconst state = {\n\t\tlightsArray: lightsArray,\n\t\tshadowsArray: shadowsArray,\n\n\t\tlights: lights\n\t};\n\n\treturn {\n\t\tinit: init,\n\t\tstate: state,\n\t\tsetupLights: setupLights,\n\t\tsetupLightsView: setupLightsView,\n\n\t\tpushLight: pushLight,\n\t\tpushShadow: pushShadow\n\t};\n\n}\n\nfunction WebGLRenderStates( extensions, capabilities ) {\n\n\tlet renderStates = new WeakMap();\n\n\tfunction get( scene, renderCallDepth = 0 ) {\n\n\t\tlet renderState;\n\n\t\tif ( renderStates.has( scene ) === false ) {\n\n\t\t\trenderState = new WebGLRenderState( extensions, capabilities );\n\t\t\trenderStates.set( scene, [ renderState ] );\n\n\t\t} else {\n\n\t\t\tif ( renderCallDepth >= renderStates.get( scene ).length ) {\n\n\t\t\t\trenderState = new WebGLRenderState( extensions, capabilities );\n\t\t\t\trenderStates.get( scene ).push( renderState );\n\n\t\t\t} else {\n\n\t\t\t\trenderState = renderStates.get( scene )[ renderCallDepth ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn renderState;\n\n\t}\n\n\tfunction dispose() {\n\n\t\trenderStates = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\n/**\n * parameters = {\n *\n * opacity: ,\n *\n * map: new THREE.Texture( ),\n *\n * alphaMap: new THREE.Texture( ),\n *\n * displacementMap: new THREE.Texture( ),\n * displacementScale: ,\n * displacementBias: ,\n *\n * wireframe: ,\n * wireframeLinewidth: \n * }\n */\n\nclass MeshDepthMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshDepthMaterial';\n\n\t\tthis.depthPacking = BasicDepthPacking;\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.depthPacking = source.depthPacking;\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshDepthMaterial.prototype.isMeshDepthMaterial = true;\n\n/**\n * parameters = {\n *\n * referencePosition: ,\n * nearDistance: ,\n * farDistance: ,\n *\n * map: new THREE.Texture( ),\n *\n * alphaMap: new THREE.Texture( ),\n *\n * displacementMap: new THREE.Texture( ),\n * displacementScale: ,\n * displacementBias: \n *\n * }\n */\n\nclass MeshDistanceMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshDistanceMaterial';\n\n\t\tthis.referencePosition = new Vector3();\n\t\tthis.nearDistance = 1;\n\t\tthis.farDistance = 1000;\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.fog = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.referencePosition.copy( source.referencePosition );\n\t\tthis.nearDistance = source.nearDistance;\n\t\tthis.farDistance = source.farDistance;\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshDistanceMaterial.prototype.isMeshDistanceMaterial = true;\n\nconst vertex = \"void main() {\\n\\tgl_Position = vec4( position, 1.0 );\\n}\";\n\nconst fragment = \"uniform sampler2D shadow_pass;\\nuniform vec2 resolution;\\nuniform float radius;\\n#include \\nvoid main() {\\n\\tconst float samples = float( VSM_SAMPLES );\\n\\tfloat mean = 0.0;\\n\\tfloat squared_mean = 0.0;\\n\\tfloat uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\\n\\tfloat uvStart = samples <= 1.0 ? 0.0 : - 1.0;\\n\\tfor ( float i = 0.0; i < samples; i ++ ) {\\n\\t\\tfloat uvOffset = uvStart + i * uvStride;\\n\\t\\t#ifdef HORIZONTAL_PASS\\n\\t\\t\\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\\n\\t\\t\\tmean += distribution.x;\\n\\t\\t\\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\\n\\t\\t#else\\n\\t\\t\\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\\n\\t\\t\\tmean += depth;\\n\\t\\t\\tsquared_mean += depth * depth;\\n\\t\\t#endif\\n\\t}\\n\\tmean = mean / samples;\\n\\tsquared_mean = squared_mean / samples;\\n\\tfloat std_dev = sqrt( squared_mean - mean * mean );\\n\\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\\n}\";\n\nfunction WebGLShadowMap( _renderer, _objects, _capabilities ) {\n\n\tlet _frustum = new Frustum();\n\n\tconst _shadowMapSize = new Vector2(),\n\t\t_viewportSize = new Vector2(),\n\n\t\t_viewport = new Vector4(),\n\n\t\t_depthMaterial = new MeshDepthMaterial( { depthPacking: RGBADepthPacking } ),\n\t\t_distanceMaterial = new MeshDistanceMaterial(),\n\n\t\t_materialCache = {},\n\n\t\t_maxTextureSize = _capabilities.maxTextureSize;\n\n\tconst shadowSide = { 0: BackSide, 1: FrontSide, 2: DoubleSide };\n\n\tconst shadowMaterialVertical = new ShaderMaterial( {\n\t\tdefines: {\n\t\t\tVSM_SAMPLES: 8\n\t\t},\n\t\tuniforms: {\n\t\t\tshadow_pass: { value: null },\n\t\t\tresolution: { value: new Vector2() },\n\t\t\tradius: { value: 4.0 }\n\t\t},\n\n\t\tvertexShader: vertex,\n\t\tfragmentShader: fragment\n\n\t} );\n\n\tconst shadowMaterialHorizontal = shadowMaterialVertical.clone();\n\tshadowMaterialHorizontal.defines.HORIZONTAL_PASS = 1;\n\n\tconst fullScreenTri = new BufferGeometry();\n\tfullScreenTri.setAttribute(\n\t\t'position',\n\t\tnew BufferAttribute(\n\t\t\tnew Float32Array( [ - 1, - 1, 0.5, 3, - 1, 0.5, - 1, 3, 0.5 ] ),\n\t\t\t3\n\t\t)\n\t);\n\n\tconst fullScreenMesh = new Mesh( fullScreenTri, shadowMaterialVertical );\n\n\tconst scope = this;\n\n\tthis.enabled = false;\n\n\tthis.autoUpdate = true;\n\tthis.needsUpdate = false;\n\n\tthis.type = PCFShadowMap;\n\n\tthis.render = function ( lights, scene, camera ) {\n\n\t\tif ( scope.enabled === false ) return;\n\t\tif ( scope.autoUpdate === false && scope.needsUpdate === false ) return;\n\n\t\tif ( lights.length === 0 ) return;\n\n\t\tconst currentRenderTarget = _renderer.getRenderTarget();\n\t\tconst activeCubeFace = _renderer.getActiveCubeFace();\n\t\tconst activeMipmapLevel = _renderer.getActiveMipmapLevel();\n\n\t\tconst _state = _renderer.state;\n\n\t\t// Set GL state for depth map.\n\t\t_state.setBlending( NoBlending );\n\t\t_state.buffers.color.setClear( 1, 1, 1, 1 );\n\t\t_state.buffers.depth.setTest( true );\n\t\t_state.setScissorTest( false );\n\n\t\t// render depth map\n\n\t\tfor ( let i = 0, il = lights.length; i < il; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\t\t\tconst shadow = light.shadow;\n\n\t\t\tif ( shadow === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tif ( shadow.autoUpdate === false && shadow.needsUpdate === false ) continue;\n\n\t\t\t_shadowMapSize.copy( shadow.mapSize );\n\n\t\t\tconst shadowFrameExtents = shadow.getFrameExtents();\n\n\t\t\t_shadowMapSize.multiply( shadowFrameExtents );\n\n\t\t\t_viewportSize.copy( shadow.mapSize );\n\n\t\t\tif ( _shadowMapSize.x > _maxTextureSize || _shadowMapSize.y > _maxTextureSize ) {\n\n\t\t\t\tif ( _shadowMapSize.x > _maxTextureSize ) {\n\n\t\t\t\t\t_viewportSize.x = Math.floor( _maxTextureSize / shadowFrameExtents.x );\n\t\t\t\t\t_shadowMapSize.x = _viewportSize.x * shadowFrameExtents.x;\n\t\t\t\t\tshadow.mapSize.x = _viewportSize.x;\n\n\t\t\t\t}\n\n\t\t\t\tif ( _shadowMapSize.y > _maxTextureSize ) {\n\n\t\t\t\t\t_viewportSize.y = Math.floor( _maxTextureSize / shadowFrameExtents.y );\n\t\t\t\t\t_shadowMapSize.y = _viewportSize.y * shadowFrameExtents.y;\n\t\t\t\t\tshadow.mapSize.y = _viewportSize.y;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( shadow.map === null && ! shadow.isPointLightShadow && this.type === VSMShadowMap ) {\n\n\t\t\t\tconst pars = { minFilter: LinearFilter, magFilter: LinearFilter, format: RGBAFormat };\n\n\t\t\t\tshadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\t\t\t\tshadow.map.texture.name = light.name + '.shadowMap';\n\n\t\t\t\tshadow.mapPass = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\n\t\t\t\tshadow.camera.updateProjectionMatrix();\n\n\t\t\t}\n\n\t\t\tif ( shadow.map === null ) {\n\n\t\t\t\tconst pars = { minFilter: NearestFilter, magFilter: NearestFilter, format: RGBAFormat };\n\n\t\t\t\tshadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\t\t\t\tshadow.map.texture.name = light.name + '.shadowMap';\n\n\t\t\t\tshadow.camera.updateProjectionMatrix();\n\n\t\t\t}\n\n\t\t\t_renderer.setRenderTarget( shadow.map );\n\t\t\t_renderer.clear();\n\n\t\t\tconst viewportCount = shadow.getViewportCount();\n\n\t\t\tfor ( let vp = 0; vp < viewportCount; vp ++ ) {\n\n\t\t\t\tconst viewport = shadow.getViewport( vp );\n\n\t\t\t\t_viewport.set(\n\t\t\t\t\t_viewportSize.x * viewport.x,\n\t\t\t\t\t_viewportSize.y * viewport.y,\n\t\t\t\t\t_viewportSize.x * viewport.z,\n\t\t\t\t\t_viewportSize.y * viewport.w\n\t\t\t\t);\n\n\t\t\t\t_state.viewport( _viewport );\n\n\t\t\t\tshadow.updateMatrices( light, vp );\n\n\t\t\t\t_frustum = shadow.getFrustum();\n\n\t\t\t\trenderObject( scene, camera, shadow.camera, light, this.type );\n\n\t\t\t}\n\n\t\t\t// do blur pass for VSM\n\n\t\t\tif ( ! shadow.isPointLightShadow && this.type === VSMShadowMap ) {\n\n\t\t\t\tVSMPass( shadow, camera );\n\n\t\t\t}\n\n\t\t\tshadow.needsUpdate = false;\n\n\t\t}\n\n\t\tscope.needsUpdate = false;\n\n\t\t_renderer.setRenderTarget( currentRenderTarget, activeCubeFace, activeMipmapLevel );\n\n\t};\n\n\tfunction VSMPass( shadow, camera ) {\n\n\t\tconst geometry = _objects.update( fullScreenMesh );\n\n\t\tif ( shadowMaterialVertical.defines.VSM_SAMPLES !== shadow.blurSamples ) {\n\n\t\t\tshadowMaterialVertical.defines.VSM_SAMPLES = shadow.blurSamples;\n\t\t\tshadowMaterialHorizontal.defines.VSM_SAMPLES = shadow.blurSamples;\n\n\t\t\tshadowMaterialVertical.needsUpdate = true;\n\t\t\tshadowMaterialHorizontal.needsUpdate = true;\n\n\t\t}\n\n\t\t// vertical pass\n\n\t\tshadowMaterialVertical.uniforms.shadow_pass.value = shadow.map.texture;\n\t\tshadowMaterialVertical.uniforms.resolution.value = shadow.mapSize;\n\t\tshadowMaterialVertical.uniforms.radius.value = shadow.radius;\n\t\t_renderer.setRenderTarget( shadow.mapPass );\n\t\t_renderer.clear();\n\t\t_renderer.renderBufferDirect( camera, null, geometry, shadowMaterialVertical, fullScreenMesh, null );\n\n\t\t// horizontal pass\n\n\t\tshadowMaterialHorizontal.uniforms.shadow_pass.value = shadow.mapPass.texture;\n\t\tshadowMaterialHorizontal.uniforms.resolution.value = shadow.mapSize;\n\t\tshadowMaterialHorizontal.uniforms.radius.value = shadow.radius;\n\t\t_renderer.setRenderTarget( shadow.map );\n\t\t_renderer.clear();\n\t\t_renderer.renderBufferDirect( camera, null, geometry, shadowMaterialHorizontal, fullScreenMesh, null );\n\n\t}\n\n\tfunction getDepthMaterial( object, geometry, material, light, shadowCameraNear, shadowCameraFar, type ) {\n\n\t\tlet result = null;\n\n\t\tconst customMaterial = ( light.isPointLight === true ) ? object.customDistanceMaterial : object.customDepthMaterial;\n\n\t\tif ( customMaterial !== undefined ) {\n\n\t\t\tresult = customMaterial;\n\n\t\t} else {\n\n\t\t\tresult = ( light.isPointLight === true ) ? _distanceMaterial : _depthMaterial;\n\n\t\t}\n\n\t\tif ( ( _renderer.localClippingEnabled && material.clipShadows === true && material.clippingPlanes.length !== 0 ) ||\n\t\t\t( material.displacementMap && material.displacementScale !== 0 ) ||\n\t\t\t( material.alphaMap && material.alphaTest > 0 ) ) {\n\n\t\t\t// in this case we need a unique material instance reflecting the\n\t\t\t// appropriate state\n\n\t\t\tconst keyA = result.uuid, keyB = material.uuid;\n\n\t\t\tlet materialsForVariant = _materialCache[ keyA ];\n\n\t\t\tif ( materialsForVariant === undefined ) {\n\n\t\t\t\tmaterialsForVariant = {};\n\t\t\t\t_materialCache[ keyA ] = materialsForVariant;\n\n\t\t\t}\n\n\t\t\tlet cachedMaterial = materialsForVariant[ keyB ];\n\n\t\t\tif ( cachedMaterial === undefined ) {\n\n\t\t\t\tcachedMaterial = result.clone();\n\t\t\t\tmaterialsForVariant[ keyB ] = cachedMaterial;\n\n\t\t\t}\n\n\t\t\tresult = cachedMaterial;\n\n\t\t}\n\n\t\tresult.visible = material.visible;\n\t\tresult.wireframe = material.wireframe;\n\n\t\tif ( type === VSMShadowMap ) {\n\n\t\t\tresult.side = ( material.shadowSide !== null ) ? material.shadowSide : material.side;\n\n\t\t} else {\n\n\t\t\tresult.side = ( material.shadowSide !== null ) ? material.shadowSide : shadowSide[ material.side ];\n\n\t\t}\n\n\t\tresult.alphaMap = material.alphaMap;\n\t\tresult.alphaTest = material.alphaTest;\n\n\t\tresult.clipShadows = material.clipShadows;\n\t\tresult.clippingPlanes = material.clippingPlanes;\n\t\tresult.clipIntersection = material.clipIntersection;\n\n\t\tresult.displacementMap = material.displacementMap;\n\t\tresult.displacementScale = material.displacementScale;\n\t\tresult.displacementBias = material.displacementBias;\n\n\t\tresult.wireframeLinewidth = material.wireframeLinewidth;\n\t\tresult.linewidth = material.linewidth;\n\n\t\tif ( light.isPointLight === true && result.isMeshDistanceMaterial === true ) {\n\n\t\t\tresult.referencePosition.setFromMatrixPosition( light.matrixWorld );\n\t\t\tresult.nearDistance = shadowCameraNear;\n\t\t\tresult.farDistance = shadowCameraFar;\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n\tfunction renderObject( object, camera, shadowCamera, light, type ) {\n\n\t\tif ( object.visible === false ) return;\n\n\t\tconst visible = object.layers.test( camera.layers );\n\n\t\tif ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) {\n\n\t\t\tif ( ( object.castShadow || ( object.receiveShadow && type === VSMShadowMap ) ) && ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) ) {\n\n\t\t\t\tobject.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld );\n\n\t\t\t\tconst geometry = _objects.update( object );\n\t\t\t\tconst material = object.material;\n\n\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\tconst groups = geometry.groups;\n\n\t\t\t\t\tfor ( let k = 0, kl = groups.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\tconst group = groups[ k ];\n\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\tif ( groupMaterial && groupMaterial.visible ) {\n\n\t\t\t\t\t\t\tconst depthMaterial = getDepthMaterial( object, geometry, groupMaterial, light, shadowCamera.near, shadowCamera.far, type );\n\n\t\t\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( material.visible ) {\n\n\t\t\t\t\tconst depthMaterial = getDepthMaterial( object, geometry, material, light, shadowCamera.near, shadowCamera.far, type );\n\n\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\trenderObject( children[ i ], camera, shadowCamera, light, type );\n\n\t\t}\n\n\t}\n\n}\n\nfunction WebGLState( gl, extensions, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tfunction ColorBuffer() {\n\n\t\tlet locked = false;\n\n\t\tconst color = new Vector4();\n\t\tlet currentColorMask = null;\n\t\tconst currentColorClear = new Vector4( 0, 0, 0, 0 );\n\n\t\treturn {\n\n\t\t\tsetMask: function ( colorMask ) {\n\n\t\t\t\tif ( currentColorMask !== colorMask && ! locked ) {\n\n\t\t\t\t\tgl.colorMask( colorMask, colorMask, colorMask, colorMask );\n\t\t\t\t\tcurrentColorMask = colorMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( r, g, b, a, premultipliedAlpha ) {\n\n\t\t\t\tif ( premultipliedAlpha === true ) {\n\n\t\t\t\t\tr *= a; g *= a; b *= a;\n\n\t\t\t\t}\n\n\t\t\t\tcolor.set( r, g, b, a );\n\n\t\t\t\tif ( currentColorClear.equals( color ) === false ) {\n\n\t\t\t\t\tgl.clearColor( r, g, b, a );\n\t\t\t\t\tcurrentColorClear.copy( color );\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentColorMask = null;\n\t\t\t\tcurrentColorClear.set( - 1, 0, 0, 0 ); // set to invalid state\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tfunction DepthBuffer() {\n\n\t\tlet locked = false;\n\n\t\tlet currentDepthMask = null;\n\t\tlet currentDepthFunc = null;\n\t\tlet currentDepthClear = null;\n\n\t\treturn {\n\n\t\t\tsetTest: function ( depthTest ) {\n\n\t\t\t\tif ( depthTest ) {\n\n\t\t\t\t\tenable( 2929 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tdisable( 2929 );\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetMask: function ( depthMask ) {\n\n\t\t\t\tif ( currentDepthMask !== depthMask && ! locked ) {\n\n\t\t\t\t\tgl.depthMask( depthMask );\n\t\t\t\t\tcurrentDepthMask = depthMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetFunc: function ( depthFunc ) {\n\n\t\t\t\tif ( currentDepthFunc !== depthFunc ) {\n\n\t\t\t\t\tif ( depthFunc ) {\n\n\t\t\t\t\t\tswitch ( depthFunc ) {\n\n\t\t\t\t\t\t\tcase NeverDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 512 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase AlwaysDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 519 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase LessDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 513 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase LessEqualDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 515 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase EqualDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 514 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase GreaterEqualDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 518 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase GreaterDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 516 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase NotEqualDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 517 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 515 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.depthFunc( 515 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcurrentDepthFunc = depthFunc;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( depth ) {\n\n\t\t\t\tif ( currentDepthClear !== depth ) {\n\n\t\t\t\t\tgl.clearDepth( depth );\n\t\t\t\t\tcurrentDepthClear = depth;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentDepthMask = null;\n\t\t\t\tcurrentDepthFunc = null;\n\t\t\t\tcurrentDepthClear = null;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tfunction StencilBuffer() {\n\n\t\tlet locked = false;\n\n\t\tlet currentStencilMask = null;\n\t\tlet currentStencilFunc = null;\n\t\tlet currentStencilRef = null;\n\t\tlet currentStencilFuncMask = null;\n\t\tlet currentStencilFail = null;\n\t\tlet currentStencilZFail = null;\n\t\tlet currentStencilZPass = null;\n\t\tlet currentStencilClear = null;\n\n\t\treturn {\n\n\t\t\tsetTest: function ( stencilTest ) {\n\n\t\t\t\tif ( ! locked ) {\n\n\t\t\t\t\tif ( stencilTest ) {\n\n\t\t\t\t\t\tenable( 2960 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( 2960 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetMask: function ( stencilMask ) {\n\n\t\t\t\tif ( currentStencilMask !== stencilMask && ! locked ) {\n\n\t\t\t\t\tgl.stencilMask( stencilMask );\n\t\t\t\t\tcurrentStencilMask = stencilMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetFunc: function ( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\t\tif ( currentStencilFunc !== stencilFunc ||\n\t\t\t\t currentStencilRef !== stencilRef ||\n\t\t\t\t currentStencilFuncMask !== stencilMask ) {\n\n\t\t\t\t\tgl.stencilFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t\t\t\tcurrentStencilFunc = stencilFunc;\n\t\t\t\t\tcurrentStencilRef = stencilRef;\n\t\t\t\t\tcurrentStencilFuncMask = stencilMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetOp: function ( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\t\tif ( currentStencilFail !== stencilFail ||\n\t\t\t\t currentStencilZFail !== stencilZFail ||\n\t\t\t\t currentStencilZPass !== stencilZPass ) {\n\n\t\t\t\t\tgl.stencilOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t\t\t\tcurrentStencilFail = stencilFail;\n\t\t\t\t\tcurrentStencilZFail = stencilZFail;\n\t\t\t\t\tcurrentStencilZPass = stencilZPass;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( stencil ) {\n\n\t\t\t\tif ( currentStencilClear !== stencil ) {\n\n\t\t\t\t\tgl.clearStencil( stencil );\n\t\t\t\t\tcurrentStencilClear = stencil;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentStencilMask = null;\n\t\t\t\tcurrentStencilFunc = null;\n\t\t\t\tcurrentStencilRef = null;\n\t\t\t\tcurrentStencilFuncMask = null;\n\t\t\t\tcurrentStencilFail = null;\n\t\t\t\tcurrentStencilZFail = null;\n\t\t\t\tcurrentStencilZPass = null;\n\t\t\t\tcurrentStencilClear = null;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t//\n\n\tconst colorBuffer = new ColorBuffer();\n\tconst depthBuffer = new DepthBuffer();\n\tconst stencilBuffer = new StencilBuffer();\n\n\tlet enabledCapabilities = {};\n\n\tlet currentBoundFramebuffers = {};\n\n\tlet currentProgram = null;\n\n\tlet currentBlendingEnabled = false;\n\tlet currentBlending = null;\n\tlet currentBlendEquation = null;\n\tlet currentBlendSrc = null;\n\tlet currentBlendDst = null;\n\tlet currentBlendEquationAlpha = null;\n\tlet currentBlendSrcAlpha = null;\n\tlet currentBlendDstAlpha = null;\n\tlet currentPremultipledAlpha = false;\n\n\tlet currentFlipSided = null;\n\tlet currentCullFace = null;\n\n\tlet currentLineWidth = null;\n\n\tlet currentPolygonOffsetFactor = null;\n\tlet currentPolygonOffsetUnits = null;\n\n\tconst maxTextures = gl.getParameter( 35661 );\n\n\tlet lineWidthAvailable = false;\n\tlet version = 0;\n\tconst glVersion = gl.getParameter( 7938 );\n\n\tif ( glVersion.indexOf( 'WebGL' ) !== - 1 ) {\n\n\t\tversion = parseFloat( /^WebGL (\\d)/.exec( glVersion )[ 1 ] );\n\t\tlineWidthAvailable = ( version >= 1.0 );\n\n\t} else if ( glVersion.indexOf( 'OpenGL ES' ) !== - 1 ) {\n\n\t\tversion = parseFloat( /^OpenGL ES (\\d)/.exec( glVersion )[ 1 ] );\n\t\tlineWidthAvailable = ( version >= 2.0 );\n\n\t}\n\n\tlet currentTextureSlot = null;\n\tlet currentBoundTextures = {};\n\n\tconst scissorParam = gl.getParameter( 3088 );\n\tconst viewportParam = gl.getParameter( 2978 );\n\n\tconst currentScissor = new Vector4().fromArray( scissorParam );\n\tconst currentViewport = new Vector4().fromArray( viewportParam );\n\n\tfunction createTexture( type, target, count ) {\n\n\t\tconst data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4.\n\t\tconst texture = gl.createTexture();\n\n\t\tgl.bindTexture( type, texture );\n\t\tgl.texParameteri( type, 10241, 9728 );\n\t\tgl.texParameteri( type, 10240, 9728 );\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tgl.texImage2D( target + i, 0, 6408, 1, 1, 0, 6408, 5121, data );\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tconst emptyTextures = {};\n\temptyTextures[ 3553 ] = createTexture( 3553, 3553, 1 );\n\temptyTextures[ 34067 ] = createTexture( 34067, 34069, 6 );\n\n\t// init\n\n\tcolorBuffer.setClear( 0, 0, 0, 1 );\n\tdepthBuffer.setClear( 1 );\n\tstencilBuffer.setClear( 0 );\n\n\tenable( 2929 );\n\tdepthBuffer.setFunc( LessEqualDepth );\n\n\tsetFlipSided( false );\n\tsetCullFace( CullFaceBack );\n\tenable( 2884 );\n\n\tsetBlending( NoBlending );\n\n\t//\n\n\tfunction enable( id ) {\n\n\t\tif ( enabledCapabilities[ id ] !== true ) {\n\n\t\t\tgl.enable( id );\n\t\t\tenabledCapabilities[ id ] = true;\n\n\t\t}\n\n\t}\n\n\tfunction disable( id ) {\n\n\t\tif ( enabledCapabilities[ id ] !== false ) {\n\n\t\t\tgl.disable( id );\n\t\t\tenabledCapabilities[ id ] = false;\n\n\t\t}\n\n\t}\n\n\tfunction bindFramebuffer( target, framebuffer ) {\n\n\t\tif ( currentBoundFramebuffers[ target ] !== framebuffer ) {\n\n\t\t\tgl.bindFramebuffer( target, framebuffer );\n\n\t\t\tcurrentBoundFramebuffers[ target ] = framebuffer;\n\n\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\t// 36009 is equivalent to 36160\n\n\t\t\t\tif ( target === 36009 ) {\n\n\t\t\t\t\tcurrentBoundFramebuffers[ 36160 ] = framebuffer;\n\n\t\t\t\t}\n\n\t\t\t\tif ( target === 36160 ) {\n\n\t\t\t\t\tcurrentBoundFramebuffers[ 36009 ] = framebuffer;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tfunction useProgram( program ) {\n\n\t\tif ( currentProgram !== program ) {\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tcurrentProgram = program;\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tconst equationToGL = {\n\t\t[ AddEquation ]: 32774,\n\t\t[ SubtractEquation ]: 32778,\n\t\t[ ReverseSubtractEquation ]: 32779\n\t};\n\n\tif ( isWebGL2 ) {\n\n\t\tequationToGL[ MinEquation ] = 32775;\n\t\tequationToGL[ MaxEquation ] = 32776;\n\n\t} else {\n\n\t\tconst extension = extensions.get( 'EXT_blend_minmax' );\n\n\t\tif ( extension !== null ) {\n\n\t\t\tequationToGL[ MinEquation ] = extension.MIN_EXT;\n\t\t\tequationToGL[ MaxEquation ] = extension.MAX_EXT;\n\n\t\t}\n\n\t}\n\n\tconst factorToGL = {\n\t\t[ ZeroFactor ]: 0,\n\t\t[ OneFactor ]: 1,\n\t\t[ SrcColorFactor ]: 768,\n\t\t[ SrcAlphaFactor ]: 770,\n\t\t[ SrcAlphaSaturateFactor ]: 776,\n\t\t[ DstColorFactor ]: 774,\n\t\t[ DstAlphaFactor ]: 772,\n\t\t[ OneMinusSrcColorFactor ]: 769,\n\t\t[ OneMinusSrcAlphaFactor ]: 771,\n\t\t[ OneMinusDstColorFactor ]: 775,\n\t\t[ OneMinusDstAlphaFactor ]: 773\n\t};\n\n\tfunction setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, premultipliedAlpha ) {\n\n\t\tif ( blending === NoBlending ) {\n\n\t\t\tif ( currentBlendingEnabled === true ) {\n\n\t\t\t\tdisable( 3042 );\n\t\t\t\tcurrentBlendingEnabled = false;\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( currentBlendingEnabled === false ) {\n\n\t\t\tenable( 3042 );\n\t\t\tcurrentBlendingEnabled = true;\n\n\t\t}\n\n\t\tif ( blending !== CustomBlending ) {\n\n\t\t\tif ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) {\n\n\t\t\t\tif ( currentBlendEquation !== AddEquation || currentBlendEquationAlpha !== AddEquation ) {\n\n\t\t\t\t\tgl.blendEquation( 32774 );\n\n\t\t\t\t\tcurrentBlendEquation = AddEquation;\n\t\t\t\t\tcurrentBlendEquationAlpha = AddEquation;\n\n\t\t\t\t}\n\n\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\tswitch ( blending ) {\n\n\t\t\t\t\t\tcase NormalBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( 1, 771, 1, 771 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase AdditiveBlending:\n\t\t\t\t\t\t\tgl.blendFunc( 1, 1 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase SubtractiveBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( 0, 0, 769, 771 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase MultiplyBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( 0, 768, 0, 770 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.error( 'THREE.WebGLState: Invalid blending: ', blending );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tswitch ( blending ) {\n\n\t\t\t\t\t\tcase NormalBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( 770, 771, 1, 771 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase AdditiveBlending:\n\t\t\t\t\t\t\tgl.blendFunc( 770, 1 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase SubtractiveBlending:\n\t\t\t\t\t\t\tgl.blendFunc( 0, 769 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase MultiplyBlending:\n\t\t\t\t\t\t\tgl.blendFunc( 0, 768 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.error( 'THREE.WebGLState: Invalid blending: ', blending );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tcurrentBlendSrc = null;\n\t\t\t\tcurrentBlendDst = null;\n\t\t\t\tcurrentBlendSrcAlpha = null;\n\t\t\t\tcurrentBlendDstAlpha = null;\n\n\t\t\t\tcurrentBlending = blending;\n\t\t\t\tcurrentPremultipledAlpha = premultipliedAlpha;\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t// custom blending\n\n\t\tblendEquationAlpha = blendEquationAlpha || blendEquation;\n\t\tblendSrcAlpha = blendSrcAlpha || blendSrc;\n\t\tblendDstAlpha = blendDstAlpha || blendDst;\n\n\t\tif ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) {\n\n\t\t\tgl.blendEquationSeparate( equationToGL[ blendEquation ], equationToGL[ blendEquationAlpha ] );\n\n\t\t\tcurrentBlendEquation = blendEquation;\n\t\t\tcurrentBlendEquationAlpha = blendEquationAlpha;\n\n\t\t}\n\n\t\tif ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) {\n\n\t\t\tgl.blendFuncSeparate( factorToGL[ blendSrc ], factorToGL[ blendDst ], factorToGL[ blendSrcAlpha ], factorToGL[ blendDstAlpha ] );\n\n\t\t\tcurrentBlendSrc = blendSrc;\n\t\t\tcurrentBlendDst = blendDst;\n\t\t\tcurrentBlendSrcAlpha = blendSrcAlpha;\n\t\t\tcurrentBlendDstAlpha = blendDstAlpha;\n\n\t\t}\n\n\t\tcurrentBlending = blending;\n\t\tcurrentPremultipledAlpha = null;\n\n\t}\n\n\tfunction setMaterial( material, frontFaceCW ) {\n\n\t\tmaterial.side === DoubleSide\n\t\t\t? disable( 2884 )\n\t\t\t: enable( 2884 );\n\n\t\tlet flipSided = ( material.side === BackSide );\n\t\tif ( frontFaceCW ) flipSided = ! flipSided;\n\n\t\tsetFlipSided( flipSided );\n\n\t\t( material.blending === NormalBlending && material.transparent === false )\n\t\t\t? setBlending( NoBlending )\n\t\t\t: setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha );\n\n\t\tdepthBuffer.setFunc( material.depthFunc );\n\t\tdepthBuffer.setTest( material.depthTest );\n\t\tdepthBuffer.setMask( material.depthWrite );\n\t\tcolorBuffer.setMask( material.colorWrite );\n\n\t\tconst stencilWrite = material.stencilWrite;\n\t\tstencilBuffer.setTest( stencilWrite );\n\t\tif ( stencilWrite ) {\n\n\t\t\tstencilBuffer.setMask( material.stencilWriteMask );\n\t\t\tstencilBuffer.setFunc( material.stencilFunc, material.stencilRef, material.stencilFuncMask );\n\t\t\tstencilBuffer.setOp( material.stencilFail, material.stencilZFail, material.stencilZPass );\n\n\t\t}\n\n\t\tsetPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits );\n\n\t\tmaterial.alphaToCoverage === true\n\t\t\t? enable( 32926 )\n\t\t\t: disable( 32926 );\n\n\t}\n\n\t//\n\n\tfunction setFlipSided( flipSided ) {\n\n\t\tif ( currentFlipSided !== flipSided ) {\n\n\t\t\tif ( flipSided ) {\n\n\t\t\t\tgl.frontFace( 2304 );\n\n\t\t\t} else {\n\n\t\t\t\tgl.frontFace( 2305 );\n\n\t\t\t}\n\n\t\t\tcurrentFlipSided = flipSided;\n\n\t\t}\n\n\t}\n\n\tfunction setCullFace( cullFace ) {\n\n\t\tif ( cullFace !== CullFaceNone ) {\n\n\t\t\tenable( 2884 );\n\n\t\t\tif ( cullFace !== currentCullFace ) {\n\n\t\t\t\tif ( cullFace === CullFaceBack ) {\n\n\t\t\t\t\tgl.cullFace( 1029 );\n\n\t\t\t\t} else if ( cullFace === CullFaceFront ) {\n\n\t\t\t\t\tgl.cullFace( 1028 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.cullFace( 1032 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tdisable( 2884 );\n\n\t\t}\n\n\t\tcurrentCullFace = cullFace;\n\n\t}\n\n\tfunction setLineWidth( width ) {\n\n\t\tif ( width !== currentLineWidth ) {\n\n\t\t\tif ( lineWidthAvailable ) gl.lineWidth( width );\n\n\t\t\tcurrentLineWidth = width;\n\n\t\t}\n\n\t}\n\n\tfunction setPolygonOffset( polygonOffset, factor, units ) {\n\n\t\tif ( polygonOffset ) {\n\n\t\t\tenable( 32823 );\n\n\t\t\tif ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) {\n\n\t\t\t\tgl.polygonOffset( factor, units );\n\n\t\t\t\tcurrentPolygonOffsetFactor = factor;\n\t\t\t\tcurrentPolygonOffsetUnits = units;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tdisable( 32823 );\n\n\t\t}\n\n\t}\n\n\tfunction setScissorTest( scissorTest ) {\n\n\t\tif ( scissorTest ) {\n\n\t\t\tenable( 3089 );\n\n\t\t} else {\n\n\t\t\tdisable( 3089 );\n\n\t\t}\n\n\t}\n\n\t// texture\n\n\tfunction activeTexture( webglSlot ) {\n\n\t\tif ( webglSlot === undefined ) webglSlot = 33984 + maxTextures - 1;\n\n\t\tif ( currentTextureSlot !== webglSlot ) {\n\n\t\t\tgl.activeTexture( webglSlot );\n\t\t\tcurrentTextureSlot = webglSlot;\n\n\t\t}\n\n\t}\n\n\tfunction bindTexture( webglType, webglTexture ) {\n\n\t\tif ( currentTextureSlot === null ) {\n\n\t\t\tactiveTexture();\n\n\t\t}\n\n\t\tlet boundTexture = currentBoundTextures[ currentTextureSlot ];\n\n\t\tif ( boundTexture === undefined ) {\n\n\t\t\tboundTexture = { type: undefined, texture: undefined };\n\t\t\tcurrentBoundTextures[ currentTextureSlot ] = boundTexture;\n\n\t\t}\n\n\t\tif ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) {\n\n\t\t\tgl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] );\n\n\t\t\tboundTexture.type = webglType;\n\t\t\tboundTexture.texture = webglTexture;\n\n\t\t}\n\n\t}\n\n\tfunction unbindTexture() {\n\n\t\tconst boundTexture = currentBoundTextures[ currentTextureSlot ];\n\n\t\tif ( boundTexture !== undefined && boundTexture.type !== undefined ) {\n\n\t\t\tgl.bindTexture( boundTexture.type, null );\n\n\t\t\tboundTexture.type = undefined;\n\t\t\tboundTexture.texture = undefined;\n\n\t\t}\n\n\t}\n\n\tfunction compressedTexImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.compressedTexImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texSubImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texSubImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texStorage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texStorage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texImage3D() {\n\n\t\ttry {\n\n\t\t\tgl.texImage3D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction scissor( scissor ) {\n\n\t\tif ( currentScissor.equals( scissor ) === false ) {\n\n\t\t\tgl.scissor( scissor.x, scissor.y, scissor.z, scissor.w );\n\t\t\tcurrentScissor.copy( scissor );\n\n\t\t}\n\n\t}\n\n\tfunction viewport( viewport ) {\n\n\t\tif ( currentViewport.equals( viewport ) === false ) {\n\n\t\t\tgl.viewport( viewport.x, viewport.y, viewport.z, viewport.w );\n\t\t\tcurrentViewport.copy( viewport );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction reset() {\n\n\t\t// reset state\n\n\t\tgl.disable( 3042 );\n\t\tgl.disable( 2884 );\n\t\tgl.disable( 2929 );\n\t\tgl.disable( 32823 );\n\t\tgl.disable( 3089 );\n\t\tgl.disable( 2960 );\n\t\tgl.disable( 32926 );\n\n\t\tgl.blendEquation( 32774 );\n\t\tgl.blendFunc( 1, 0 );\n\t\tgl.blendFuncSeparate( 1, 0, 1, 0 );\n\n\t\tgl.colorMask( true, true, true, true );\n\t\tgl.clearColor( 0, 0, 0, 0 );\n\n\t\tgl.depthMask( true );\n\t\tgl.depthFunc( 513 );\n\t\tgl.clearDepth( 1 );\n\n\t\tgl.stencilMask( 0xffffffff );\n\t\tgl.stencilFunc( 519, 0, 0xffffffff );\n\t\tgl.stencilOp( 7680, 7680, 7680 );\n\t\tgl.clearStencil( 0 );\n\n\t\tgl.cullFace( 1029 );\n\t\tgl.frontFace( 2305 );\n\n\t\tgl.polygonOffset( 0, 0 );\n\n\t\tgl.activeTexture( 33984 );\n\n\t\tgl.bindFramebuffer( 36160, null );\n\n\t\tif ( isWebGL2 === true ) {\n\n\t\t\tgl.bindFramebuffer( 36009, null );\n\t\t\tgl.bindFramebuffer( 36008, null );\n\n\t\t}\n\n\t\tgl.useProgram( null );\n\n\t\tgl.lineWidth( 1 );\n\n\t\tgl.scissor( 0, 0, gl.canvas.width, gl.canvas.height );\n\t\tgl.viewport( 0, 0, gl.canvas.width, gl.canvas.height );\n\n\t\t// reset internals\n\n\t\tenabledCapabilities = {};\n\n\t\tcurrentTextureSlot = null;\n\t\tcurrentBoundTextures = {};\n\n\t\tcurrentBoundFramebuffers = {};\n\n\t\tcurrentProgram = null;\n\n\t\tcurrentBlendingEnabled = false;\n\t\tcurrentBlending = null;\n\t\tcurrentBlendEquation = null;\n\t\tcurrentBlendSrc = null;\n\t\tcurrentBlendDst = null;\n\t\tcurrentBlendEquationAlpha = null;\n\t\tcurrentBlendSrcAlpha = null;\n\t\tcurrentBlendDstAlpha = null;\n\t\tcurrentPremultipledAlpha = false;\n\n\t\tcurrentFlipSided = null;\n\t\tcurrentCullFace = null;\n\n\t\tcurrentLineWidth = null;\n\n\t\tcurrentPolygonOffsetFactor = null;\n\t\tcurrentPolygonOffsetUnits = null;\n\n\t\tcurrentScissor.set( 0, 0, gl.canvas.width, gl.canvas.height );\n\t\tcurrentViewport.set( 0, 0, gl.canvas.width, gl.canvas.height );\n\n\t\tcolorBuffer.reset();\n\t\tdepthBuffer.reset();\n\t\tstencilBuffer.reset();\n\n\t}\n\n\treturn {\n\n\t\tbuffers: {\n\t\t\tcolor: colorBuffer,\n\t\t\tdepth: depthBuffer,\n\t\t\tstencil: stencilBuffer\n\t\t},\n\n\t\tenable: enable,\n\t\tdisable: disable,\n\n\t\tbindFramebuffer: bindFramebuffer,\n\n\t\tuseProgram: useProgram,\n\n\t\tsetBlending: setBlending,\n\t\tsetMaterial: setMaterial,\n\n\t\tsetFlipSided: setFlipSided,\n\t\tsetCullFace: setCullFace,\n\n\t\tsetLineWidth: setLineWidth,\n\t\tsetPolygonOffset: setPolygonOffset,\n\n\t\tsetScissorTest: setScissorTest,\n\n\t\tactiveTexture: activeTexture,\n\t\tbindTexture: bindTexture,\n\t\tunbindTexture: unbindTexture,\n\t\tcompressedTexImage2D: compressedTexImage2D,\n\t\ttexImage2D: texImage2D,\n\t\ttexImage3D: texImage3D,\n\n\t\ttexStorage2D: texStorage2D,\n\t\ttexSubImage2D: texSubImage2D,\n\n\t\tscissor: scissor,\n\t\tviewport: viewport,\n\n\t\treset: reset\n\n\t};\n\n}\n\nfunction WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\tconst maxTextures = capabilities.maxTextures;\n\tconst maxCubemapSize = capabilities.maxCubemapSize;\n\tconst maxTextureSize = capabilities.maxTextureSize;\n\tconst maxSamples = capabilities.maxSamples;\n\tconst hasMultisampledRenderToTexture = extensions.has( 'WEBGL_multisampled_render_to_texture' );\n\tconst MultisampledRenderToTextureExtension = hasMultisampledRenderToTexture ? extensions.get( 'WEBGL_multisampled_render_to_texture' ) : undefined;\n\n\tconst _videoTextures = new WeakMap();\n\tlet _canvas;\n\n\t// cordova iOS (as of 5.0) still uses UIWebView, which provides OffscreenCanvas,\n\t// also OffscreenCanvas.getContext(\"webgl\"), but not OffscreenCanvas.getContext(\"2d\")!\n\t// Some implementations may only implement OffscreenCanvas partially (e.g. lacking 2d).\n\n\tlet useOffscreenCanvas = false;\n\n\ttry {\n\n\t\tuseOffscreenCanvas = typeof OffscreenCanvas !== 'undefined'\n\t\t\t&& ( new OffscreenCanvas( 1, 1 ).getContext( '2d' ) ) !== null;\n\n\t} catch ( err ) {\n\n\t\t// Ignore any errors\n\n\t}\n\n\tfunction createCanvas( width, height ) {\n\n\t\t// Use OffscreenCanvas when available. Specially needed in web workers\n\n\t\treturn useOffscreenCanvas ?\n\t\t\tnew OffscreenCanvas( width, height ) : createElementNS( 'canvas' );\n\n\t}\n\n\tfunction resizeImage( image, needsPowerOfTwo, needsNewCanvas, maxSize ) {\n\n\t\tlet scale = 1;\n\n\t\t// handle case if texture exceeds max size\n\n\t\tif ( image.width > maxSize || image.height > maxSize ) {\n\n\t\t\tscale = maxSize / Math.max( image.width, image.height );\n\n\t\t}\n\n\t\t// only perform resize if necessary\n\n\t\tif ( scale < 1 || needsPowerOfTwo === true ) {\n\n\t\t\t// only perform resize for certain image types\n\n\t\t\tif ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) ||\n\t\t\t\t( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) ||\n\t\t\t\t( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) {\n\n\t\t\t\tconst floor = needsPowerOfTwo ? floorPowerOfTwo : Math.floor;\n\n\t\t\t\tconst width = floor( scale * image.width );\n\t\t\t\tconst height = floor( scale * image.height );\n\n\t\t\t\tif ( _canvas === undefined ) _canvas = createCanvas( width, height );\n\n\t\t\t\t// cube textures can't reuse the same canvas\n\n\t\t\t\tconst canvas = needsNewCanvas ? createCanvas( width, height ) : _canvas;\n\n\t\t\t\tcanvas.width = width;\n\t\t\t\tcanvas.height = height;\n\n\t\t\t\tconst context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, width, height );\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture has been resized from (' + image.width + 'x' + image.height + ') to (' + width + 'x' + height + ').' );\n\n\t\t\t\treturn canvas;\n\n\t\t\t} else {\n\n\t\t\t\tif ( 'data' in image ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Image in DataTexture is too big (' + image.width + 'x' + image.height + ').' );\n\n\t\t\t\t}\n\n\t\t\t\treturn image;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn image;\n\n\t}\n\n\tfunction isPowerOfTwo$1( image ) {\n\n\t\treturn isPowerOfTwo( image.width ) && isPowerOfTwo( image.height );\n\n\t}\n\n\tfunction textureNeedsPowerOfTwo( texture ) {\n\n\t\tif ( isWebGL2 ) return false;\n\n\t\treturn ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) ||\n\t\t\t( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter );\n\n\t}\n\n\tfunction textureNeedsGenerateMipmaps( texture, supportsMips ) {\n\n\t\treturn texture.generateMipmaps && supportsMips &&\n\t\t\ttexture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter;\n\n\t}\n\n\tfunction generateMipmap( target ) {\n\n\t\t_gl.generateMipmap( target );\n\n\t}\n\n\tfunction getInternalFormat( internalFormatName, glFormat, glType/*, encoding*/ ) {\n\n\t\tif ( isWebGL2 === false ) return glFormat;\n\n\t\tif ( internalFormatName !== null ) {\n\n\t\t\tif ( _gl[ internalFormatName ] !== undefined ) return _gl[ internalFormatName ];\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format \\'' + internalFormatName + '\\'' );\n\n\t\t}\n\n\t\tlet internalFormat = glFormat;\n\n\t\tif ( glFormat === 6403 ) {\n\n\t\t\tif ( glType === 5126 ) internalFormat = 33326;\n\t\t\tif ( glType === 5131 ) internalFormat = 33325;\n\t\t\tif ( glType === 5121 ) internalFormat = 33321;\n\n\t\t}\n\n\t\tif ( glFormat === 6407 ) {\n\n\t\t\tif ( glType === 5126 ) internalFormat = 34837;\n\t\t\tif ( glType === 5131 ) internalFormat = 34843;\n\t\t\tif ( glType === 5121 ) internalFormat = 32849;\n\n\t\t}\n\n\t\tif ( glFormat === 6408 ) {\n\n\t\t\tif ( glType === 5126 ) internalFormat = 34836;\n\t\t\tif ( glType === 5131 ) internalFormat = 34842;\n\t\t\t//if ( glType === 5121 ) internalFormat = ( encoding === sRGBEncoding ) ? 35907 : 32856;\n\t\t\tif ( glType === 5121 ) internalFormat = 32856;\n\n\n\t\t}\n\n\t\tif ( internalFormat === 33325 || internalFormat === 33326 ||\n\t\t\tinternalFormat === 34842 || internalFormat === 34836 ) {\n\n\t\t\textensions.get( 'EXT_color_buffer_float' );\n\n\t\t}\n\n\t\treturn internalFormat;\n\n\t}\n\n\tfunction getMipLevels( texture, image, supportsMips ) {\n\n\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) === true ) {\n\n\t\t\t// generated mipmaps via gl.generateMipmap()\n\n\t\t\treturn Math.log2( Math.max( image.width, image.height ) ) + 1;\n\n\t\t} else if ( texture.mipmaps.length > 0 ) {\n\n\t\t\t// user-defined mipmaps\n\n\t\t\treturn texture.mipmaps.length;\n\n\t\t} else {\n\n\t\t\t// texture without mipmaps (only base level)\n\n\t\t\treturn 1;\n\n\t\t}\n\n\t}\n\n\t// Fallback filters for non-power-of-2 textures\n\n\tfunction filterFallback( f ) {\n\n\t\tif ( f === NearestFilter || f === NearestMipmapNearestFilter || f === NearestMipmapLinearFilter ) {\n\n\t\t\treturn 9728;\n\n\t\t}\n\n\t\treturn 9729;\n\n\t}\n\n\t//\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tdeallocateTexture( texture );\n\n\t\tif ( texture.isVideoTexture ) {\n\n\t\t\t_videoTextures.delete( texture );\n\n\t\t}\n\n\t\tinfo.memory.textures --;\n\n\t}\n\n\tfunction onRenderTargetDispose( event ) {\n\n\t\tconst renderTarget = event.target;\n\n\t\trenderTarget.removeEventListener( 'dispose', onRenderTargetDispose );\n\n\t\tdeallocateRenderTarget( renderTarget );\n\n\t}\n\n\t//\n\n\tfunction deallocateTexture( texture ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( textureProperties.__webglInit === undefined ) return;\n\n\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\tproperties.remove( texture );\n\n\t}\n\n\tfunction deallocateRenderTarget( renderTarget ) {\n\n\t\tconst texture = renderTarget.texture;\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( ! renderTarget ) return;\n\n\t\tif ( textureProperties.__webglTexture !== undefined ) {\n\n\t\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\t\tinfo.memory.textures --;\n\n\t\t}\n\n\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\trenderTarget.depthTexture.dispose();\n\n\t\t}\n\n\t\tif ( renderTarget.isWebGLCubeRenderTarget ) {\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer );\n\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer );\n\t\t\tif ( renderTargetProperties.__webglMultisampledFramebuffer ) _gl.deleteFramebuffer( renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\tif ( renderTargetProperties.__webglColorRenderbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglColorRenderbuffer );\n\t\t\tif ( renderTargetProperties.__webglDepthRenderbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthRenderbuffer );\n\n\t\t}\n\n\t\tif ( renderTarget.isWebGLMultipleRenderTargets ) {\n\n\t\t\tfor ( let i = 0, il = texture.length; i < il; i ++ ) {\n\n\t\t\t\tconst attachmentProperties = properties.get( texture[ i ] );\n\n\t\t\t\tif ( attachmentProperties.__webglTexture ) {\n\n\t\t\t\t\t_gl.deleteTexture( attachmentProperties.__webglTexture );\n\n\t\t\t\t\tinfo.memory.textures --;\n\n\t\t\t\t}\n\n\t\t\t\tproperties.remove( texture[ i ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tproperties.remove( texture );\n\t\tproperties.remove( renderTarget );\n\n\t}\n\n\t//\n\n\tlet textureUnits = 0;\n\n\tfunction resetTextureUnits() {\n\n\t\ttextureUnits = 0;\n\n\t}\n\n\tfunction allocateTextureUnit() {\n\n\t\tconst textureUnit = textureUnits;\n\n\t\tif ( textureUnit >= maxTextures ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLTextures: Trying to use ' + textureUnit + ' texture units while this GPU supports only ' + maxTextures );\n\n\t\t}\n\n\t\ttextureUnits += 1;\n\n\t\treturn textureUnit;\n\n\t}\n\n\t//\n\n\tfunction setTexture2D( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.isVideoTexture ) updateVideoTexture( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tconst image = texture.image;\n\n\t\t\tif ( image === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is undefined' );\n\n\t\t\t} else if ( image.complete === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete' );\n\n\t\t\t} else {\n\n\t\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 3553, textureProperties.__webglTexture );\n\n\t}\n\n\tfunction setTexture2DArray( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 35866, textureProperties.__webglTexture );\n\n\t}\n\n\tfunction setTexture3D( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 32879, textureProperties.__webglTexture );\n\n\t}\n\n\tfunction setTextureCube( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadCubeTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 34067, textureProperties.__webglTexture );\n\n\t}\n\n\tconst wrappingToGL = {\n\t\t[ RepeatWrapping ]: 10497,\n\t\t[ ClampToEdgeWrapping ]: 33071,\n\t\t[ MirroredRepeatWrapping ]: 33648\n\t};\n\n\tconst filterToGL = {\n\t\t[ NearestFilter ]: 9728,\n\t\t[ NearestMipmapNearestFilter ]: 9984,\n\t\t[ NearestMipmapLinearFilter ]: 9986,\n\n\t\t[ LinearFilter ]: 9729,\n\t\t[ LinearMipmapNearestFilter ]: 9985,\n\t\t[ LinearMipmapLinearFilter ]: 9987\n\t};\n\n\tfunction setTextureParameters( textureType, texture, supportsMips ) {\n\n\t\tif ( supportsMips ) {\n\n\t\t\t_gl.texParameteri( textureType, 10242, wrappingToGL[ texture.wrapS ] );\n\t\t\t_gl.texParameteri( textureType, 10243, wrappingToGL[ texture.wrapT ] );\n\n\t\t\tif ( textureType === 32879 || textureType === 35866 ) {\n\n\t\t\t\t_gl.texParameteri( textureType, 32882, wrappingToGL[ texture.wrapR ] );\n\n\t\t\t}\n\n\t\t\t_gl.texParameteri( textureType, 10240, filterToGL[ texture.magFilter ] );\n\t\t\t_gl.texParameteri( textureType, 10241, filterToGL[ texture.minFilter ] );\n\n\t\t} else {\n\n\t\t\t_gl.texParameteri( textureType, 10242, 33071 );\n\t\t\t_gl.texParameteri( textureType, 10243, 33071 );\n\n\t\t\tif ( textureType === 32879 || textureType === 35866 ) {\n\n\t\t\t\t_gl.texParameteri( textureType, 32882, 33071 );\n\n\t\t\t}\n\n\t\t\tif ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.' );\n\n\t\t\t}\n\n\t\t\t_gl.texParameteri( textureType, 10240, filterFallback( texture.magFilter ) );\n\t\t\t_gl.texParameteri( textureType, 10241, filterFallback( texture.minFilter ) );\n\n\t\t\tif ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.' );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( extensions.has( 'EXT_texture_filter_anisotropic' ) === true ) {\n\n\t\t\tconst extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tif ( texture.type === FloatType && extensions.has( 'OES_texture_float_linear' ) === false ) return; // verify extension for WebGL 1 and WebGL 2\n\t\t\tif ( isWebGL2 === false && ( texture.type === HalfFloatType && extensions.has( 'OES_texture_half_float_linear' ) === false ) ) return; // verify extension for WebGL 1 only\n\n\t\t\tif ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) {\n\n\t\t\t\t_gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) );\n\t\t\t\tproperties.get( texture ).__currentAnisotropy = texture.anisotropy;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction initTexture( textureProperties, texture ) {\n\n\t\tif ( textureProperties.__webglInit === undefined ) {\n\n\t\t\ttextureProperties.__webglInit = true;\n\n\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\tinfo.memory.textures ++;\n\n\t\t}\n\n\t}\n\n\tfunction uploadTexture( textureProperties, texture, slot ) {\n\n\t\tlet textureType = 3553;\n\n\t\tif ( texture.isDataTexture2DArray ) textureType = 35866;\n\t\tif ( texture.isDataTexture3D ) textureType = 32879;\n\n\t\tinitTexture( textureProperties, texture );\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( textureType, textureProperties.__webglTexture );\n\n\t\t_gl.pixelStorei( 37440, texture.flipY );\n\t\t_gl.pixelStorei( 37441, texture.premultiplyAlpha );\n\t\t_gl.pixelStorei( 3317, texture.unpackAlignment );\n\t\t_gl.pixelStorei( 37443, 0 );\n\n\t\tconst needsPowerOfTwo = textureNeedsPowerOfTwo( texture ) && isPowerOfTwo$1( texture.image ) === false;\n\t\tconst image = resizeImage( texture.image, needsPowerOfTwo, false, maxTextureSize );\n\n\t\tconst supportsMips = isPowerOfTwo$1( image ) || isWebGL2,\n\t\t\tglFormat = utils.convert( texture.format );\n\n\t\tlet glType = utils.convert( texture.type ),\n\t\t\tglInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding );\n\n\t\tsetTextureParameters( textureType, texture, supportsMips );\n\n\t\tlet mipmap;\n\t\tconst mipmaps = texture.mipmaps;\n\n\t\tif ( texture.isDepthTexture ) {\n\n\t\t\t// populate depth texture with dummy data\n\n\t\t\tglInternalFormat = 6402;\n\n\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\tif ( texture.type === FloatType ) {\n\n\t\t\t\t\tglInternalFormat = 36012;\n\n\t\t\t\t} else if ( texture.type === UnsignedIntType ) {\n\n\t\t\t\t\tglInternalFormat = 33190;\n\n\t\t\t\t} else if ( texture.type === UnsignedInt248Type ) {\n\n\t\t\t\t\tglInternalFormat = 35056;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tglInternalFormat = 33189; // WebGL2 requires sized internalformat for glTexImage2D\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( texture.type === FloatType ) {\n\n\t\t\t\t\tconsole.error( 'WebGLRenderer: Floating point depth texture requires WebGL2.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// validation checks for WebGL 1\n\n\t\t\tif ( texture.format === DepthFormat && glInternalFormat === 6402 ) {\n\n\t\t\t\t// The error INVALID_OPERATION is generated by texImage2D if format and internalformat are\n\t\t\t\t// DEPTH_COMPONENT and type is not UNSIGNED_SHORT or UNSIGNED_INT\n\t\t\t\t// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)\n\t\t\t\tif ( texture.type !== UnsignedShortType && texture.type !== UnsignedIntType ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Use UnsignedShortType or UnsignedIntType for DepthFormat DepthTexture.' );\n\n\t\t\t\t\ttexture.type = UnsignedShortType;\n\t\t\t\t\tglType = utils.convert( texture.type );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( texture.format === DepthStencilFormat && glInternalFormat === 6402 ) {\n\n\t\t\t\t// Depth stencil textures need the DEPTH_STENCIL internal format\n\t\t\t\t// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)\n\t\t\t\tglInternalFormat = 34041;\n\n\t\t\t\t// The error INVALID_OPERATION is generated by texImage2D if format and internalformat are\n\t\t\t\t// DEPTH_STENCIL and type is not UNSIGNED_INT_24_8_WEBGL.\n\t\t\t\t// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)\n\t\t\t\tif ( texture.type !== UnsignedInt248Type ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Use UnsignedInt248Type for DepthStencilFormat DepthTexture.' );\n\n\t\t\t\t\ttexture.type = UnsignedInt248Type;\n\t\t\t\t\tglType = utils.convert( texture.type );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tstate.texImage2D( 3553, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, null );\n\n\t\t} else if ( texture.isDataTexture ) {\n\n\t\t\t// use manually created mipmaps if available\n\t\t\t// if there are no manual mipmaps\n\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\tif ( mipmaps.length > 0 && supportsMips ) {\n\n\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\tmipmap = mipmaps[ i ];\n\t\t\t\t\tstate.texImage2D( 3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t}\n\n\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t} else {\n\n\t\t\t\tstate.texImage2D( 3553, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, image.data );\n\n\t\t\t}\n\n\t\t} else if ( texture.isCompressedTexture ) {\n\n\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\tif ( glFormat !== null ) {\n\n\t\t\t\t\t\tstate.compressedTexImage2D( 3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()' );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( 3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else if ( texture.isDataTexture2DArray ) {\n\n\t\t\tstate.texImage3D( 35866, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data );\n\n\t\t} else if ( texture.isDataTexture3D ) {\n\n\t\t\tstate.texImage3D( 32879, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data );\n\n\t\t} else {\n\n\t\t\t// regular Texture (image, video, canvas)\n\n\t\t\t// use manually created mipmaps if available\n\t\t\t// if there are no manual mipmaps\n\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\tconst levels = getMipLevels( texture, image, supportsMips );\n\t\t\tconst useTexStorage = ( isWebGL2 && texture.isVideoTexture !== true );\n\t\t\tconst allocateMemory = ( textureProperties.__version === undefined );\n\n\t\t\tif ( mipmaps.length > 0 && supportsMips ) {\n\n\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\tstate.texStorage2D( 3553, levels, glInternalFormat, mipmaps[ 0 ].width, mipmaps[ 0 ].height );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\tstate.texSubImage2D( 3553, i, 0, 0, glFormat, glType, mipmap );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( 3553, i, glInternalFormat, glFormat, glType, mipmap );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t} else {\n\n\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage2D( 3553, levels, glInternalFormat, image.width, image.height );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tstate.texSubImage2D( 3553, 0, 0, 0, glFormat, glType, image );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( 3553, 0, glInternalFormat, glFormat, glType, image );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\tgenerateMipmap( textureType );\n\n\t\t}\n\n\t\ttextureProperties.__version = texture.version;\n\n\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t}\n\n\tfunction uploadCubeTexture( textureProperties, texture, slot ) {\n\n\t\tif ( texture.image.length !== 6 ) return;\n\n\t\tinitTexture( textureProperties, texture );\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 34067, textureProperties.__webglTexture );\n\n\t\t_gl.pixelStorei( 37440, texture.flipY );\n\t\t_gl.pixelStorei( 37441, texture.premultiplyAlpha );\n\t\t_gl.pixelStorei( 3317, texture.unpackAlignment );\n\t\t_gl.pixelStorei( 37443, 0 );\n\n\t\tconst isCompressed = ( texture && ( texture.isCompressedTexture || texture.image[ 0 ].isCompressedTexture ) );\n\t\tconst isDataTexture = ( texture.image[ 0 ] && texture.image[ 0 ].isDataTexture );\n\n\t\tconst cubeImage = [];\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tif ( ! isCompressed && ! isDataTexture ) {\n\n\t\t\t\tcubeImage[ i ] = resizeImage( texture.image[ i ], false, true, maxCubemapSize );\n\n\t\t\t} else {\n\n\t\t\t\tcubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ];\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst image = cubeImage[ 0 ],\n\t\t\tsupportsMips = isPowerOfTwo$1( image ) || isWebGL2,\n\t\t\tglFormat = utils.convert( texture.format ),\n\t\t\tglType = utils.convert( texture.type ),\n\t\t\tglInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding );\n\n\t\tsetTextureParameters( 34067, texture, supportsMips );\n\n\t\tlet mipmaps;\n\n\t\tif ( isCompressed ) {\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tmipmaps = cubeImage[ i ].mipmaps;\n\n\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\n\t\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\t\tif ( glFormat !== null ) {\n\n\t\t\t\t\t\t\tstate.compressedTexImage2D( 34069 + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()' );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( 34069 + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tmipmaps = texture.mipmaps;\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( isDataTexture ) {\n\n\t\t\t\t\tstate.texImage2D( 34069 + i, 0, glInternalFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data );\n\n\t\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\t\t\t\t\t\tconst mipmapImage = mipmap.image[ i ].image;\n\n\t\t\t\t\t\tstate.texImage2D( 34069 + i, j + 1, glInternalFormat, mipmapImage.width, mipmapImage.height, 0, glFormat, glType, mipmapImage.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( 34069 + i, 0, glInternalFormat, glFormat, glType, cubeImage[ i ] );\n\n\t\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\n\t\t\t\t\t\tstate.texImage2D( 34069 + i, j + 1, glInternalFormat, glFormat, glType, mipmap.image[ i ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\t// We assume images for cube map have the same size.\n\t\t\tgenerateMipmap( 34067 );\n\n\t\t}\n\n\t\ttextureProperties.__version = texture.version;\n\n\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t}\n\n\t// Render targets\n\n\t// Setup storage for target texture and bind it to correct framebuffer\n\tfunction setupFrameBufferTexture( framebuffer, renderTarget, texture, attachment, textureTarget ) {\n\n\t\tconst glFormat = utils.convert( texture.format );\n\t\tconst glType = utils.convert( texture.type );\n\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding );\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\tif ( ! renderTargetProperties.__hasExternalTextures ) {\n\n\t\t\tif ( textureTarget === 32879 || textureTarget === 35866 ) {\n\n\t\t\t\tstate.texImage3D( textureTarget, 0, glInternalFormat, renderTarget.width, renderTarget.height, renderTarget.depth, 0, glFormat, glType, null );\n\n\t\t\t} else {\n\n\t\t\t\tstate.texImage2D( textureTarget, 0, glInternalFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null );\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.bindFramebuffer( 36160, framebuffer );\n\t\tif ( renderTarget.useRenderToTexture ) {\n\n\t\t\tMultisampledRenderToTextureExtension.framebufferTexture2DMultisampleEXT( 36160, attachment, textureTarget, properties.get( texture ).__webglTexture, 0, getRenderTargetSamples( renderTarget ) );\n\n\t\t} else {\n\n\t\t\t_gl.framebufferTexture2D( 36160, attachment, textureTarget, properties.get( texture ).__webglTexture, 0 );\n\n\t\t}\n\n\t\tstate.bindFramebuffer( 36160, null );\n\n\t}\n\n\n\t// Setup storage for internal depth/stencil buffers and bind to correct framebuffer\n\tfunction setupRenderBufferStorage( renderbuffer, renderTarget, isMultisample ) {\n\n\t\t_gl.bindRenderbuffer( 36161, renderbuffer );\n\n\t\tif ( renderTarget.depthBuffer && ! renderTarget.stencilBuffer ) {\n\n\t\t\tlet glInternalFormat = 33189;\n\n\t\t\tif ( isMultisample || renderTarget.useRenderToTexture ) {\n\n\t\t\t\tconst depthTexture = renderTarget.depthTexture;\n\n\t\t\t\tif ( depthTexture && depthTexture.isDepthTexture ) {\n\n\t\t\t\t\tif ( depthTexture.type === FloatType ) {\n\n\t\t\t\t\t\tglInternalFormat = 36012;\n\n\t\t\t\t\t} else if ( depthTexture.type === UnsignedIntType ) {\n\n\t\t\t\t\t\tglInternalFormat = 33190;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\t\t\tif ( renderTarget.useRenderToTexture ) {\n\n\t\t\t\t\tMultisampledRenderToTextureExtension.renderbufferStorageMultisampleEXT( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_gl.renderbufferStorageMultisample( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t_gl.renderbufferStorage( 36161, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\t\t\t_gl.framebufferRenderbuffer( 36160, 36096, 36161, renderbuffer );\n\n\t\t} else if ( renderTarget.depthBuffer && renderTarget.stencilBuffer ) {\n\n\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\t\tif ( isMultisample && renderTarget.useRenderbuffer ) {\n\n\t\t\t\t_gl.renderbufferStorageMultisample( 36161, samples, 35056, renderTarget.width, renderTarget.height );\n\n\t\t\t} else if ( renderTarget.useRenderToTexture ) {\n\n\t\t\t\tMultisampledRenderToTextureExtension.renderbufferStorageMultisampleEXT( 36161, samples, 35056, renderTarget.width, renderTarget.height );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.renderbufferStorage( 36161, 34041, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\n\t\t\t_gl.framebufferRenderbuffer( 36160, 33306, 36161, renderbuffer );\n\n\t\t} else {\n\n\t\t\t// Use the first texture for MRT so far\n\t\t\tconst texture = renderTarget.isWebGLMultipleRenderTargets === true ? renderTarget.texture[ 0 ] : renderTarget.texture;\n\n\t\t\tconst glFormat = utils.convert( texture.format );\n\t\t\tconst glType = utils.convert( texture.type );\n\t\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding );\n\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\t\tif ( isMultisample && renderTarget.useRenderbuffer ) {\n\n\t\t\t\t_gl.renderbufferStorageMultisample( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t} else if ( renderTarget.useRenderToTexture ) {\n\n\t\t\t\tMultisampledRenderToTextureExtension.renderbufferStorageMultisampleEXT( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.renderbufferStorage( 36161, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\t\t}\n\n\t\t_gl.bindRenderbuffer( 36161, null );\n\n\t}\n\n\t// Setup resources for a Depth Texture for a FBO (needs an extension)\n\tfunction setupDepthTexture( framebuffer, renderTarget ) {\n\n\t\tconst isCube = ( renderTarget && renderTarget.isWebGLCubeRenderTarget );\n\t\tif ( isCube ) throw new Error( 'Depth Texture with cube render targets is not supported' );\n\n\t\tstate.bindFramebuffer( 36160, framebuffer );\n\n\t\tif ( ! ( renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture ) ) {\n\n\t\t\tthrow new Error( 'renderTarget.depthTexture must be an instance of THREE.DepthTexture' );\n\n\t\t}\n\n\t\t// upload an empty depth texture with framebuffer size\n\t\tif ( ! properties.get( renderTarget.depthTexture ).__webglTexture ||\n\t\t\t\trenderTarget.depthTexture.image.width !== renderTarget.width ||\n\t\t\t\trenderTarget.depthTexture.image.height !== renderTarget.height ) {\n\n\t\t\trenderTarget.depthTexture.image.width = renderTarget.width;\n\t\t\trenderTarget.depthTexture.image.height = renderTarget.height;\n\t\t\trenderTarget.depthTexture.needsUpdate = true;\n\n\t\t}\n\n\t\tsetTexture2D( renderTarget.depthTexture, 0 );\n\n\t\tconst webglDepthTexture = properties.get( renderTarget.depthTexture ).__webglTexture;\n\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\tif ( renderTarget.depthTexture.format === DepthFormat ) {\n\n\t\t\tif ( renderTarget.useRenderToTexture ) {\n\n\t\t\t\tMultisampledRenderToTextureExtension.framebufferTexture2DMultisampleEXT( 36160, 36096, 3553, webglDepthTexture, 0, samples );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.framebufferTexture2D( 36160, 36096, 3553, webglDepthTexture, 0 );\n\n\t\t\t}\n\n\t\t} else if ( renderTarget.depthTexture.format === DepthStencilFormat ) {\n\n\t\t\tif ( renderTarget.useRenderToTexture ) {\n\n\t\t\t\tMultisampledRenderToTextureExtension.framebufferTexture2DMultisampleEXT( 36160, 33306, 3553, webglDepthTexture, 0, samples );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.framebufferTexture2D( 36160, 33306, 3553, webglDepthTexture, 0 );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'Unknown depthTexture format' );\n\n\t\t}\n\n\t}\n\n\t// Setup GL resources for a non-texture depth buffer\n\tfunction setupDepthRenderbuffer( renderTarget ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst isCube = ( renderTarget.isWebGLCubeRenderTarget === true );\n\n\t\tif ( renderTarget.depthTexture && ! renderTargetProperties.__autoAllocateDepthBuffer ) {\n\n\t\t\tif ( isCube ) throw new Error( 'target.depthTexture not supported in Cube render targets' );\n\n\t\t\tsetupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget );\n\n\t\t} else {\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\trenderTargetProperties.__webglDepthbuffer = [];\n\n\t\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tstate.bindFramebuffer( 36160, renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer();\n\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget, false );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tstate.bindFramebuffer( 36160, renderTargetProperties.__webglFramebuffer );\n\t\t\t\trenderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer();\n\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget, false );\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.bindFramebuffer( 36160, null );\n\n\t}\n\n\t// rebind framebuffer with external textures\n\tfunction rebindTextures( renderTarget, colorTexture, depthTexture ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\tif ( colorTexture !== undefined ) {\n\n\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, renderTarget.texture, 36064, 3553 );\n\n\t\t}\n\n\t\tif ( depthTexture !== undefined ) {\n\n\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t}\n\n\t}\n\n\t// Set up GL resources for the render target\n\tfunction setupRenderTarget( renderTarget ) {\n\n\t\tconst texture = renderTarget.texture;\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst textureProperties = properties.get( texture );\n\n\t\trenderTarget.addEventListener( 'dispose', onRenderTargetDispose );\n\n\t\tif ( renderTarget.isWebGLMultipleRenderTargets !== true ) {\n\n\t\t\tif ( textureProperties.__webglTexture === undefined ) {\n\n\t\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t}\n\n\t\t\ttextureProperties.__version = texture.version;\n\t\t\tinfo.memory.textures ++;\n\n\t\t}\n\n\t\tconst isCube = ( renderTarget.isWebGLCubeRenderTarget === true );\n\t\tconst isMultipleRenderTargets = ( renderTarget.isWebGLMultipleRenderTargets === true );\n\t\tconst isRenderTarget3D = texture.isDataTexture3D || texture.isDataTexture2DArray;\n\t\tconst supportsMips = isPowerOfTwo$1( renderTarget ) || isWebGL2;\n\n\t\t// Handles WebGL2 RGBFormat fallback - #18858\n\n\t\tif ( isWebGL2 && texture.format === RGBFormat && ( texture.type === FloatType || texture.type === HalfFloatType ) ) {\n\n\t\t\ttexture.format = RGBAFormat;\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Rendering to textures with RGB format is not supported. Using RGBA format instead.' );\n\n\t\t}\n\n\t\t// Setup framebuffer\n\n\t\tif ( isCube ) {\n\n\t\t\trenderTargetProperties.__webglFramebuffer = [];\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer();\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\trenderTargetProperties.__webglFramebuffer = _gl.createFramebuffer();\n\n\t\t\tif ( isMultipleRenderTargets ) {\n\n\t\t\t\tif ( capabilities.drawBuffers ) {\n\n\t\t\t\t\tconst textures = renderTarget.texture;\n\n\t\t\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst attachmentProperties = properties.get( textures[ i ] );\n\n\t\t\t\t\t\tif ( attachmentProperties.__webglTexture === undefined ) {\n\n\t\t\t\t\t\t\tattachmentProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t\t\t\t\tinfo.memory.textures ++;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: WebGLMultipleRenderTargets can only be used with WebGL2 or WEBGL_draw_buffers extension.' );\n\n\t\t\t\t}\n\n\t\t\t} else if ( renderTarget.useRenderbuffer ) {\n\n\t\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\t\trenderTargetProperties.__webglMultisampledFramebuffer = _gl.createFramebuffer();\n\t\t\t\t\trenderTargetProperties.__webglColorRenderbuffer = _gl.createRenderbuffer();\n\n\t\t\t\t\t_gl.bindRenderbuffer( 36161, renderTargetProperties.__webglColorRenderbuffer );\n\n\t\t\t\t\tconst glFormat = utils.convert( texture.format );\n\t\t\t\t\tconst glType = utils.convert( texture.type );\n\t\t\t\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding );\n\t\t\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\t\t\t\t\t_gl.renderbufferStorageMultisample( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t\tstate.bindFramebuffer( 36160, renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\t\t\t_gl.framebufferRenderbuffer( 36160, 36064, 36161, renderTargetProperties.__webglColorRenderbuffer );\n\t\t\t\t\t_gl.bindRenderbuffer( 36161, null );\n\n\t\t\t\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t\t\t\trenderTargetProperties.__webglDepthRenderbuffer = _gl.createRenderbuffer();\n\t\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthRenderbuffer, renderTarget, true );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tstate.bindFramebuffer( 36160, null );\n\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Setup color buffer\n\n\t\tif ( isCube ) {\n\n\t\t\tstate.bindTexture( 34067, textureProperties.__webglTexture );\n\t\t\tsetTextureParameters( 34067, texture, supportsMips );\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, texture, 36064, 34069 + i );\n\n\t\t\t}\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\t\tgenerateMipmap( 34067 );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t} else if ( isMultipleRenderTargets ) {\n\n\t\t\tconst textures = renderTarget.texture;\n\n\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\tconst attachment = textures[ i ];\n\t\t\t\tconst attachmentProperties = properties.get( attachment );\n\n\t\t\t\tstate.bindTexture( 3553, attachmentProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( 3553, attachment, supportsMips );\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, attachment, 36064 + i, 3553 );\n\n\t\t\t\tif ( textureNeedsGenerateMipmaps( attachment, supportsMips ) ) {\n\n\t\t\t\t\tgenerateMipmap( 3553 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t} else {\n\n\t\t\tlet glTextureType = 3553;\n\n\t\t\tif ( isRenderTarget3D ) {\n\n\t\t\t\t// Render targets containing layers, i.e: Texture 3D and 2d arrays\n\n\t\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\t\tconst isTexture3D = texture.isDataTexture3D;\n\t\t\t\t\tglTextureType = isTexture3D ? 32879 : 35866;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.DataTexture3D and THREE.DataTexture2DArray only supported with WebGL2.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.bindTexture( glTextureType, textureProperties.__webglTexture );\n\t\t\tsetTextureParameters( glTextureType, texture, supportsMips );\n\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, texture, 36064, glTextureType );\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\t\tgenerateMipmap( glTextureType );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t}\n\n\t\t// Setup depth and stencil buffers\n\n\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t}\n\n\t}\n\n\tfunction updateRenderTargetMipmap( renderTarget ) {\n\n\t\tconst supportsMips = isPowerOfTwo$1( renderTarget ) || isWebGL2;\n\n\t\tconst textures = renderTarget.isWebGLMultipleRenderTargets === true ? renderTarget.texture : [ renderTarget.texture ];\n\n\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\tconst texture = textures[ i ];\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\t\tconst target = renderTarget.isWebGLCubeRenderTarget ? 34067 : 3553;\n\t\t\t\tconst webglTexture = properties.get( texture ).__webglTexture;\n\n\t\t\t\tstate.bindTexture( target, webglTexture );\n\t\t\t\tgenerateMipmap( target );\n\t\t\t\tstate.unbindTexture();\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction updateMultisampleRenderTarget( renderTarget ) {\n\n\t\tif ( renderTarget.useRenderbuffer ) {\n\n\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\tconst width = renderTarget.width;\n\t\t\t\tconst height = renderTarget.height;\n\t\t\t\tlet mask = 16384;\n\t\t\t\tconst invalidationArray = [ 36064 ];\n\t\t\t\tconst depthStyle = renderTarget.stencilBuffer ? 33306 : 36096;\n\n\t\t\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t\t\tinvalidationArray.push( depthStyle );\n\n\t\t\t\t}\n\n\t\t\t\tif ( ! renderTarget.ignoreDepthForMultisampleCopy ) {\n\n\t\t\t\t\tif ( renderTarget.depthBuffer ) mask |= 256;\n\t\t\t\t\tif ( renderTarget.stencilBuffer ) mask |= 1024;\n\n\t\t\t\t}\n\n\t\t\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\t\t\tstate.bindFramebuffer( 36008, renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\t\tstate.bindFramebuffer( 36009, renderTargetProperties.__webglFramebuffer );\n\n\t\t\t\tif ( renderTarget.ignoreDepthForMultisampleCopy ) {\n\n\t\t\t\t\t_gl.invalidateFramebuffer( 36008, [ depthStyle ] );\n\t\t\t\t\t_gl.invalidateFramebuffer( 36009, [ depthStyle ] );\n\n\t\t\t\t}\n\n\t\t\t\t_gl.blitFramebuffer( 0, 0, width, height, 0, 0, width, height, mask, 9728 );\n\t\t\t\t_gl.invalidateFramebuffer( 36008, invalidationArray );\n\n\t\t\t\tstate.bindFramebuffer( 36008, null );\n\t\t\t\tstate.bindFramebuffer( 36009, renderTargetProperties.__webglMultisampledFramebuffer );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2.' );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction getRenderTargetSamples( renderTarget ) {\n\n\t\treturn ( isWebGL2 && ( renderTarget.useRenderbuffer || renderTarget.useRenderToTexture ) ) ?\n\t\t\tMath.min( maxSamples, renderTarget.samples ) : 0;\n\n\t}\n\n\tfunction updateVideoTexture( texture ) {\n\n\t\tconst frame = info.render.frame;\n\n\t\t// Check the last frame we updated the VideoTexture\n\n\t\tif ( _videoTextures.get( texture ) !== frame ) {\n\n\t\t\t_videoTextures.set( texture, frame );\n\t\t\ttexture.update();\n\n\t\t}\n\n\t}\n\n\t// backwards compatibility\n\n\tlet warnedTexture2D = false;\n\tlet warnedTextureCube = false;\n\n\tfunction safeSetTexture2D( texture, slot ) {\n\n\t\tif ( texture && texture.isWebGLRenderTarget ) {\n\n\t\t\tif ( warnedTexture2D === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLTextures.safeSetTexture2D: don\\'t use render targets as textures. Use their .texture property instead.' );\n\t\t\t\twarnedTexture2D = true;\n\n\t\t\t}\n\n\t\t\ttexture = texture.texture;\n\n\t\t}\n\n\t\tsetTexture2D( texture, slot );\n\n\t}\n\n\tfunction safeSetTextureCube( texture, slot ) {\n\n\t\tif ( texture && texture.isWebGLCubeRenderTarget ) {\n\n\t\t\tif ( warnedTextureCube === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLTextures.safeSetTextureCube: don\\'t use cube render targets as textures. Use their .texture property instead.' );\n\t\t\t\twarnedTextureCube = true;\n\n\t\t\t}\n\n\t\t\ttexture = texture.texture;\n\n\t\t}\n\n\n\t\tsetTextureCube( texture, slot );\n\n\t}\n\n\t//\n\n\tthis.allocateTextureUnit = allocateTextureUnit;\n\tthis.resetTextureUnits = resetTextureUnits;\n\n\tthis.setTexture2D = setTexture2D;\n\tthis.setTexture2DArray = setTexture2DArray;\n\tthis.setTexture3D = setTexture3D;\n\tthis.setTextureCube = setTextureCube;\n\tthis.rebindTextures = rebindTextures;\n\tthis.setupRenderTarget = setupRenderTarget;\n\tthis.updateRenderTargetMipmap = updateRenderTargetMipmap;\n\tthis.updateMultisampleRenderTarget = updateMultisampleRenderTarget;\n\tthis.setupDepthRenderbuffer = setupDepthRenderbuffer;\n\tthis.setupFrameBufferTexture = setupFrameBufferTexture;\n\n\tthis.safeSetTexture2D = safeSetTexture2D;\n\tthis.safeSetTextureCube = safeSetTextureCube;\n\n}\n\nfunction WebGLUtils( gl, extensions, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tfunction convert( p ) {\n\n\t\tlet extension;\n\n\t\tif ( p === UnsignedByteType ) return 5121;\n\t\tif ( p === UnsignedShort4444Type ) return 32819;\n\t\tif ( p === UnsignedShort5551Type ) return 32820;\n\t\tif ( p === UnsignedShort565Type ) return 33635;\n\n\t\tif ( p === ByteType ) return 5120;\n\t\tif ( p === ShortType ) return 5122;\n\t\tif ( p === UnsignedShortType ) return 5123;\n\t\tif ( p === IntType ) return 5124;\n\t\tif ( p === UnsignedIntType ) return 5125;\n\t\tif ( p === FloatType ) return 5126;\n\n\t\tif ( p === HalfFloatType ) {\n\n\t\t\tif ( isWebGL2 ) return 5131;\n\n\t\t\textension = extensions.get( 'OES_texture_half_float' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\treturn extension.HALF_FLOAT_OES;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === AlphaFormat ) return 6406;\n\t\tif ( p === RGBFormat ) return 6407;\n\t\tif ( p === RGBAFormat ) return 6408;\n\t\tif ( p === LuminanceFormat ) return 6409;\n\t\tif ( p === LuminanceAlphaFormat ) return 6410;\n\t\tif ( p === DepthFormat ) return 6402;\n\t\tif ( p === DepthStencilFormat ) return 34041;\n\t\tif ( p === RedFormat ) return 6403;\n\n\t\t// WebGL2 formats.\n\n\t\tif ( p === RedIntegerFormat ) return 36244;\n\t\tif ( p === RGFormat ) return 33319;\n\t\tif ( p === RGIntegerFormat ) return 33320;\n\t\tif ( p === RGBIntegerFormat ) return 36248;\n\t\tif ( p === RGBAIntegerFormat ) return 36249;\n\n\t\tif ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format ||\n\t\t\tp === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT;\n\t\t\t\tif ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT;\n\t\t\t\tif ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT;\n\t\t\t\tif ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format ||\n\t\t\tp === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;\n\t\t\t\tif ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;\n\t\t\t\tif ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;\n\t\t\t\tif ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === RGB_ETC1_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_etc1' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\treturn extension.COMPRESSED_RGB_ETC1_WEBGL;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === RGB_ETC2_Format || p === RGBA_ETC2_EAC_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_etc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGB_ETC2_Format ) return extension.COMPRESSED_RGB8_ETC2;\n\t\t\t\tif ( p === RGBA_ETC2_EAC_Format ) return extension.COMPRESSED_RGBA8_ETC2_EAC;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === RGBA_ASTC_4x4_Format || p === RGBA_ASTC_5x4_Format || p === RGBA_ASTC_5x5_Format ||\n\t\t\tp === RGBA_ASTC_6x5_Format || p === RGBA_ASTC_6x6_Format || p === RGBA_ASTC_8x5_Format ||\n\t\t\tp === RGBA_ASTC_8x6_Format || p === RGBA_ASTC_8x8_Format || p === RGBA_ASTC_10x5_Format ||\n\t\t\tp === RGBA_ASTC_10x6_Format || p === RGBA_ASTC_10x8_Format || p === RGBA_ASTC_10x10_Format ||\n\t\t\tp === RGBA_ASTC_12x10_Format || p === RGBA_ASTC_12x12_Format ||\n\t\t\tp === SRGB8_ALPHA8_ASTC_4x4_Format || p === SRGB8_ALPHA8_ASTC_5x4_Format || p === SRGB8_ALPHA8_ASTC_5x5_Format ||\n\t\t\tp === SRGB8_ALPHA8_ASTC_6x5_Format || p === SRGB8_ALPHA8_ASTC_6x6_Format || p === SRGB8_ALPHA8_ASTC_8x5_Format ||\n\t\t\tp === SRGB8_ALPHA8_ASTC_8x6_Format || p === SRGB8_ALPHA8_ASTC_8x8_Format || p === SRGB8_ALPHA8_ASTC_10x5_Format ||\n\t\t\tp === SRGB8_ALPHA8_ASTC_10x6_Format || p === SRGB8_ALPHA8_ASTC_10x8_Format || p === SRGB8_ALPHA8_ASTC_10x10_Format ||\n\t\t\tp === SRGB8_ALPHA8_ASTC_12x10_Format || p === SRGB8_ALPHA8_ASTC_12x12_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_astc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\t// TODO Complete?\n\n\t\t\t\treturn p;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === RGBA_BPTC_Format ) {\n\n\t\t\textension = extensions.get( 'EXT_texture_compression_bptc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\t// TODO Complete?\n\n\t\t\t\treturn p;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === UnsignedInt248Type ) {\n\n\t\t\tif ( isWebGL2 ) return 34042;\n\n\t\t\textension = extensions.get( 'WEBGL_depth_texture' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\treturn extension.UNSIGNED_INT_24_8_WEBGL;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn { convert: convert };\n\n}\n\nclass ArrayCamera extends PerspectiveCamera {\n\n\tconstructor( array = [] ) {\n\n\t\tsuper();\n\n\t\tthis.cameras = array;\n\n\t}\n\n}\n\nArrayCamera.prototype.isArrayCamera = true;\n\nclass Group extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'Group';\n\n\t}\n\n}\n\nGroup.prototype.isGroup = true;\n\nconst _moveEvent = { type: 'move' };\n\nclass WebXRController {\n\n\tconstructor() {\n\n\t\tthis._targetRay = null;\n\t\tthis._grip = null;\n\t\tthis._hand = null;\n\n\t}\n\n\tgetHandSpace() {\n\n\t\tif ( this._hand === null ) {\n\n\t\t\tthis._hand = new Group();\n\t\t\tthis._hand.matrixAutoUpdate = false;\n\t\t\tthis._hand.visible = false;\n\n\t\t\tthis._hand.joints = {};\n\t\t\tthis._hand.inputState = { pinching: false };\n\n\t\t}\n\n\t\treturn this._hand;\n\n\t}\n\n\tgetTargetRaySpace() {\n\n\t\tif ( this._targetRay === null ) {\n\n\t\t\tthis._targetRay = new Group();\n\t\t\tthis._targetRay.matrixAutoUpdate = false;\n\t\t\tthis._targetRay.visible = false;\n\t\t\tthis._targetRay.hasLinearVelocity = false;\n\t\t\tthis._targetRay.linearVelocity = new Vector3();\n\t\t\tthis._targetRay.hasAngularVelocity = false;\n\t\t\tthis._targetRay.angularVelocity = new Vector3();\n\n\t\t}\n\n\t\treturn this._targetRay;\n\n\t}\n\n\tgetGripSpace() {\n\n\t\tif ( this._grip === null ) {\n\n\t\t\tthis._grip = new Group();\n\t\t\tthis._grip.matrixAutoUpdate = false;\n\t\t\tthis._grip.visible = false;\n\t\t\tthis._grip.hasLinearVelocity = false;\n\t\t\tthis._grip.linearVelocity = new Vector3();\n\t\t\tthis._grip.hasAngularVelocity = false;\n\t\t\tthis._grip.angularVelocity = new Vector3();\n\n\t\t}\n\n\t\treturn this._grip;\n\n\t}\n\n\tdispatchEvent( event ) {\n\n\t\tif ( this._targetRay !== null ) {\n\n\t\t\tthis._targetRay.dispatchEvent( event );\n\n\t\t}\n\n\t\tif ( this._grip !== null ) {\n\n\t\t\tthis._grip.dispatchEvent( event );\n\n\t\t}\n\n\t\tif ( this._hand !== null ) {\n\n\t\t\tthis._hand.dispatchEvent( event );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tdisconnect( inputSource ) {\n\n\t\tthis.dispatchEvent( { type: 'disconnected', data: inputSource } );\n\n\t\tif ( this._targetRay !== null ) {\n\n\t\t\tthis._targetRay.visible = false;\n\n\t\t}\n\n\t\tif ( this._grip !== null ) {\n\n\t\t\tthis._grip.visible = false;\n\n\t\t}\n\n\t\tif ( this._hand !== null ) {\n\n\t\t\tthis._hand.visible = false;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tupdate( inputSource, frame, referenceSpace ) {\n\n\t\tlet inputPose = null;\n\t\tlet gripPose = null;\n\t\tlet handPose = null;\n\n\t\tconst targetRay = this._targetRay;\n\t\tconst grip = this._grip;\n\t\tconst hand = this._hand;\n\n\t\tif ( inputSource && frame.session.visibilityState !== 'visible-blurred' ) {\n\n\t\t\tif ( targetRay !== null ) {\n\n\t\t\t\tinputPose = frame.getPose( inputSource.targetRaySpace, referenceSpace );\n\n\t\t\t\tif ( inputPose !== null ) {\n\n\t\t\t\t\ttargetRay.matrix.fromArray( inputPose.transform.matrix );\n\t\t\t\t\ttargetRay.matrix.decompose( targetRay.position, targetRay.rotation, targetRay.scale );\n\n\t\t\t\t\tif ( inputPose.linearVelocity ) {\n\n\t\t\t\t\t\ttargetRay.hasLinearVelocity = true;\n\t\t\t\t\t\ttargetRay.linearVelocity.copy( inputPose.linearVelocity );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttargetRay.hasLinearVelocity = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( inputPose.angularVelocity ) {\n\n\t\t\t\t\t\ttargetRay.hasAngularVelocity = true;\n\t\t\t\t\t\ttargetRay.angularVelocity.copy( inputPose.angularVelocity );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttargetRay.hasAngularVelocity = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.dispatchEvent( _moveEvent );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( hand && inputSource.hand ) {\n\n\t\t\t\thandPose = true;\n\n\t\t\t\tfor ( const inputjoint of inputSource.hand.values() ) {\n\n\t\t\t\t\t// Update the joints groups with the XRJoint poses\n\t\t\t\t\tconst jointPose = frame.getJointPose( inputjoint, referenceSpace );\n\n\t\t\t\t\tif ( hand.joints[ inputjoint.jointName ] === undefined ) {\n\n\t\t\t\t\t\t// The transform of this joint will be updated with the joint pose on each frame\n\t\t\t\t\t\tconst joint = new Group();\n\t\t\t\t\t\tjoint.matrixAutoUpdate = false;\n\t\t\t\t\t\tjoint.visible = false;\n\t\t\t\t\t\thand.joints[ inputjoint.jointName ] = joint;\n\t\t\t\t\t\t// ??\n\t\t\t\t\t\thand.add( joint );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst joint = hand.joints[ inputjoint.jointName ];\n\n\t\t\t\t\tif ( jointPose !== null ) {\n\n\t\t\t\t\t\tjoint.matrix.fromArray( jointPose.transform.matrix );\n\t\t\t\t\t\tjoint.matrix.decompose( joint.position, joint.rotation, joint.scale );\n\t\t\t\t\t\tjoint.jointRadius = jointPose.radius;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tjoint.visible = jointPose !== null;\n\n\t\t\t\t}\n\n\t\t\t\t// Custom events\n\n\t\t\t\t// Check pinchz\n\t\t\t\tconst indexTip = hand.joints[ 'index-finger-tip' ];\n\t\t\t\tconst thumbTip = hand.joints[ 'thumb-tip' ];\n\t\t\t\tconst distance = indexTip.position.distanceTo( thumbTip.position );\n\n\t\t\t\tconst distanceToPinch = 0.02;\n\t\t\t\tconst threshold = 0.005;\n\n\t\t\t\tif ( hand.inputState.pinching && distance > distanceToPinch + threshold ) {\n\n\t\t\t\t\thand.inputState.pinching = false;\n\t\t\t\t\tthis.dispatchEvent( {\n\t\t\t\t\t\ttype: 'pinchend',\n\t\t\t\t\t\thandedness: inputSource.handedness,\n\t\t\t\t\t\ttarget: this\n\t\t\t\t\t} );\n\n\t\t\t\t} else if ( ! hand.inputState.pinching && distance <= distanceToPinch - threshold ) {\n\n\t\t\t\t\thand.inputState.pinching = true;\n\t\t\t\t\tthis.dispatchEvent( {\n\t\t\t\t\t\ttype: 'pinchstart',\n\t\t\t\t\t\thandedness: inputSource.handedness,\n\t\t\t\t\t\ttarget: this\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( grip !== null && inputSource.gripSpace ) {\n\n\t\t\t\t\tgripPose = frame.getPose( inputSource.gripSpace, referenceSpace );\n\n\t\t\t\t\tif ( gripPose !== null ) {\n\n\t\t\t\t\t\tgrip.matrix.fromArray( gripPose.transform.matrix );\n\t\t\t\t\t\tgrip.matrix.decompose( grip.position, grip.rotation, grip.scale );\n\n\t\t\t\t\t\tif ( gripPose.linearVelocity ) {\n\n\t\t\t\t\t\t\tgrip.hasLinearVelocity = true;\n\t\t\t\t\t\t\tgrip.linearVelocity.copy( gripPose.linearVelocity );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgrip.hasLinearVelocity = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( gripPose.angularVelocity ) {\n\n\t\t\t\t\t\t\tgrip.hasAngularVelocity = true;\n\t\t\t\t\t\t\tgrip.angularVelocity.copy( gripPose.angularVelocity );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgrip.hasAngularVelocity = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( targetRay !== null ) {\n\n\t\t\ttargetRay.visible = ( inputPose !== null );\n\n\t\t}\n\n\t\tif ( grip !== null ) {\n\n\t\t\tgrip.visible = ( gripPose !== null );\n\n\t\t}\n\n\t\tif ( hand !== null ) {\n\n\t\t\thand.visible = ( handPose !== null );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass DepthTexture extends Texture {\n\n\tconstructor( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format ) {\n\n\t\tformat = format !== undefined ? format : DepthFormat;\n\n\t\tif ( format !== DepthFormat && format !== DepthStencilFormat ) {\n\n\t\t\tthrow new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' );\n\n\t\t}\n\n\t\tif ( type === undefined && format === DepthFormat ) type = UnsignedShortType;\n\t\tif ( type === undefined && format === DepthStencilFormat ) type = UnsignedInt248Type;\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.image = { width: width, height: height };\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : NearestFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : NearestFilter;\n\n\t\tthis.flipY = false;\n\t\tthis.generateMipmaps\t= false;\n\n\t}\n\n\n}\n\nDepthTexture.prototype.isDepthTexture = true;\n\nclass WebXRManager extends EventDispatcher {\n\n\tconstructor( renderer, gl ) {\n\n\t\tsuper();\n\n\t\tconst scope = this;\n\n\t\tlet session = null;\n\t\tlet framebufferScaleFactor = 1.0;\n\n\t\tlet referenceSpace = null;\n\t\tlet referenceSpaceType = 'local-floor';\n\t\tconst hasMultisampledRenderToTexture = renderer.extensions.has( 'WEBGL_multisampled_render_to_texture' );\n\n\t\tlet pose = null;\n\t\tlet glBinding = null;\n\t\tlet glProjLayer = null;\n\t\tlet glBaseLayer = null;\n\t\tlet isMultisample = false;\n\t\tlet xrFrame = null;\n\t\tconst attributes = gl.getContextAttributes();\n\t\tlet initialRenderTarget = null;\n\t\tlet newRenderTarget = null;\n\n\t\tconst controllers = [];\n\t\tconst inputSourcesMap = new Map();\n\n\t\t//\n\n\t\tconst cameraL = new PerspectiveCamera();\n\t\tcameraL.layers.enable( 1 );\n\t\tcameraL.viewport = new Vector4();\n\n\t\tconst cameraR = new PerspectiveCamera();\n\t\tcameraR.layers.enable( 2 );\n\t\tcameraR.viewport = new Vector4();\n\n\t\tconst cameras = [ cameraL, cameraR ];\n\n\t\tconst cameraVR = new ArrayCamera();\n\t\tcameraVR.layers.enable( 1 );\n\t\tcameraVR.layers.enable( 2 );\n\n\t\tlet _currentDepthNear = null;\n\t\tlet _currentDepthFar = null;\n\n\t\t//\n\n\t\tthis.cameraAutoUpdate = true;\n\t\tthis.enabled = false;\n\n\t\tthis.isPresenting = false;\n\n\t\tthis.getController = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getTargetRaySpace();\n\n\t\t};\n\n\t\tthis.getControllerGrip = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getGripSpace();\n\n\t\t};\n\n\t\tthis.getHand = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getHandSpace();\n\n\t\t};\n\n\t\t//\n\n\t\tfunction onSessionEvent( event ) {\n\n\t\t\tconst controller = inputSourcesMap.get( event.inputSource );\n\n\t\t\tif ( controller ) {\n\n\t\t\t\tcontroller.dispatchEvent( { type: event.type, data: event.inputSource } );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onSessionEnd() {\n\n\t\t\tinputSourcesMap.forEach( function ( controller, inputSource ) {\n\n\t\t\t\tcontroller.disconnect( inputSource );\n\n\t\t\t} );\n\n\t\t\tinputSourcesMap.clear();\n\n\t\t\t_currentDepthNear = null;\n\t\t\t_currentDepthFar = null;\n\n\t\t\t// restore framebuffer/rendering state\n\n\t\t\trenderer.setRenderTarget( initialRenderTarget );\n\n\t\t\tglBaseLayer = null;\n\t\t\tglProjLayer = null;\n\t\t\tglBinding = null;\n\t\t\tsession = null;\n\t\t\tnewRenderTarget = null;\n\n\t\t\t//\n\n\t\t\tanimation.stop();\n\n\t\t\tscope.isPresenting = false;\n\n\t\t\tscope.dispatchEvent( { type: 'sessionend' } );\n\n\t\t}\n\n\t\tthis.setFramebufferScaleFactor = function ( value ) {\n\n\t\t\tframebufferScaleFactor = value;\n\n\t\t\tif ( scope.isPresenting === true ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebXRManager: Cannot change framebuffer scale while presenting.' );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.setReferenceSpaceType = function ( value ) {\n\n\t\t\treferenceSpaceType = value;\n\n\t\t\tif ( scope.isPresenting === true ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebXRManager: Cannot change reference space type while presenting.' );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getReferenceSpace = function () {\n\n\t\t\treturn referenceSpace;\n\n\t\t};\n\n\t\tthis.getBaseLayer = function () {\n\n\t\t\treturn glProjLayer !== null ? glProjLayer : glBaseLayer;\n\n\t\t};\n\n\t\tthis.getBinding = function () {\n\n\t\t\treturn glBinding;\n\n\t\t};\n\n\t\tthis.getFrame = function () {\n\n\t\t\treturn xrFrame;\n\n\t\t};\n\n\t\tthis.getSession = function () {\n\n\t\t\treturn session;\n\n\t\t};\n\n\t\tthis.setSession = async function ( value ) {\n\n\t\t\tsession = value;\n\n\t\t\tif ( session !== null ) {\n\n\t\t\t\tinitialRenderTarget = renderer.getRenderTarget();\n\n\t\t\t\tsession.addEventListener( 'select', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'selectstart', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'selectend', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeeze', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeezestart', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeezeend', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'end', onSessionEnd );\n\t\t\t\tsession.addEventListener( 'inputsourceschange', onInputSourcesChange );\n\n\t\t\t\tif ( attributes.xrCompatible !== true ) {\n\n\t\t\t\t\tawait gl.makeXRCompatible();\n\n\t\t\t\t}\n\n\t\t\t\tif ( ( session.renderState.layers === undefined ) || ( renderer.capabilities.isWebGL2 === false ) ) {\n\n\t\t\t\t\tconst layerInit = {\n\t\t\t\t\t\tantialias: ( session.renderState.layers === undefined ) ? attributes.antialias : true,\n\t\t\t\t\t\talpha: attributes.alpha,\n\t\t\t\t\t\tdepth: attributes.depth,\n\t\t\t\t\t\tstencil: attributes.stencil,\n\t\t\t\t\t\tframebufferScaleFactor: framebufferScaleFactor\n\t\t\t\t\t};\n\n\t\t\t\t\tglBaseLayer = new XRWebGLLayer( session, gl, layerInit );\n\n\t\t\t\t\tsession.updateRenderState( { baseLayer: glBaseLayer } );\n\n\t\t\t\t\tnewRenderTarget = new WebGLRenderTarget(\n\t\t\t\t\t\tglBaseLayer.framebufferWidth,\n\t\t\t\t\t\tglBaseLayer.framebufferHeight\n\t\t\t\t\t);\n\n\t\t\t\t} else {\n\n\t\t\t\t\tisMultisample = attributes.antialias;\n\t\t\t\t\tlet depthFormat = null;\n\t\t\t\t\tlet depthType = null;\n\t\t\t\t\tlet glDepthFormat = null;\n\n\t\t\t\t\tif ( attributes.depth ) {\n\n\t\t\t\t\t\tglDepthFormat = attributes.stencil ? 35056 : 33189;\n\t\t\t\t\t\tdepthFormat = attributes.stencil ? DepthStencilFormat : DepthFormat;\n\t\t\t\t\t\tdepthType = attributes.stencil ? UnsignedInt248Type : UnsignedShortType;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst projectionlayerInit = {\n\t\t\t\t\t\tcolorFormat: ( attributes.alpha || isMultisample ) ? 32856 : 32849,\n\t\t\t\t\t\tdepthFormat: glDepthFormat,\n\t\t\t\t\t\tscaleFactor: framebufferScaleFactor\n\t\t\t\t\t};\n\n\t\t\t\t\tglBinding = new XRWebGLBinding( session, gl );\n\n\t\t\t\t\tglProjLayer = glBinding.createProjectionLayer( projectionlayerInit );\n\n\t\t\t\t\tsession.updateRenderState( { layers: [ glProjLayer ] } );\n\n\t\t\t\t\tif ( isMultisample ) {\n\n\t\t\t\t\t\tnewRenderTarget = new WebGLMultisampleRenderTarget(\n\t\t\t\t\t\t\tglProjLayer.textureWidth,\n\t\t\t\t\t\t\tglProjLayer.textureHeight,\n\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\tformat: RGBAFormat,\n\t\t\t\t\t\t\t\ttype: UnsignedByteType,\n\t\t\t\t\t\t\t\tdepthTexture: new DepthTexture( glProjLayer.textureWidth, glProjLayer.textureHeight, depthType, undefined, undefined, undefined, undefined, undefined, undefined, depthFormat ),\n\t\t\t\t\t\t\t\tstencilBuffer: attributes.stencil,\n\t\t\t\t\t\t\t\tignoreDepth: glProjLayer.ignoreDepthValues,\n\t\t\t\t\t\t\t\tuseRenderToTexture: hasMultisampledRenderToTexture,\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tnewRenderTarget = new WebGLRenderTarget(\n\t\t\t\t\t\t\tglProjLayer.textureWidth,\n\t\t\t\t\t\t\tglProjLayer.textureHeight,\n\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\tformat: attributes.alpha ? RGBAFormat : RGBFormat,\n\t\t\t\t\t\t\t\ttype: UnsignedByteType,\n\t\t\t\t\t\t\t\tdepthTexture: new DepthTexture( glProjLayer.textureWidth, glProjLayer.textureHeight, depthType, undefined, undefined, undefined, undefined, undefined, undefined, depthFormat ),\n\t\t\t\t\t\t\t\tstencilBuffer: attributes.stencil,\n\t\t\t\t\t\t\t\tignoreDepth: glProjLayer.ignoreDepthValues,\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// Set foveation to maximum.\n\t\t\t\tthis.setFoveation( 0 );\n\n\t\t\t\treferenceSpace = await session.requestReferenceSpace( referenceSpaceType );\n\n\t\t\t\tanimation.setContext( session );\n\t\t\t\tanimation.start();\n\n\t\t\t\tscope.isPresenting = true;\n\n\t\t\t\tscope.dispatchEvent( { type: 'sessionstart' } );\n\n\t\t\t}\n\n\t\t};\n\n\t\tfunction onInputSourcesChange( event ) {\n\n\t\t\tconst inputSources = session.inputSources;\n\n\t\t\t// Assign inputSources to available controllers\n\n\t\t\tfor ( let i = 0; i < controllers.length; i ++ ) {\n\n\t\t\t\tinputSourcesMap.set( inputSources[ i ], controllers[ i ] );\n\n\t\t\t}\n\n\t\t\t// Notify disconnected\n\n\t\t\tfor ( let i = 0; i < event.removed.length; i ++ ) {\n\n\t\t\t\tconst inputSource = event.removed[ i ];\n\t\t\t\tconst controller = inputSourcesMap.get( inputSource );\n\n\t\t\t\tif ( controller ) {\n\n\t\t\t\t\tcontroller.dispatchEvent( { type: 'disconnected', data: inputSource } );\n\t\t\t\t\tinputSourcesMap.delete( inputSource );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Notify connected\n\n\t\t\tfor ( let i = 0; i < event.added.length; i ++ ) {\n\n\t\t\t\tconst inputSource = event.added[ i ];\n\t\t\t\tconst controller = inputSourcesMap.get( inputSource );\n\n\t\t\t\tif ( controller ) {\n\n\t\t\t\t\tcontroller.dispatchEvent( { type: 'connected', data: inputSource } );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tconst cameraLPos = new Vector3();\n\t\tconst cameraRPos = new Vector3();\n\n\t\t/**\n\t\t * Assumes 2 cameras that are parallel and share an X-axis, and that\n\t\t * the cameras' projection and world matrices have already been set.\n\t\t * And that near and far planes are identical for both cameras.\n\t\t * Visualization of this technique: https://computergraphics.stackexchange.com/a/4765\n\t\t */\n\t\tfunction setProjectionFromUnion( camera, cameraL, cameraR ) {\n\n\t\t\tcameraLPos.setFromMatrixPosition( cameraL.matrixWorld );\n\t\t\tcameraRPos.setFromMatrixPosition( cameraR.matrixWorld );\n\n\t\t\tconst ipd = cameraLPos.distanceTo( cameraRPos );\n\n\t\t\tconst projL = cameraL.projectionMatrix.elements;\n\t\t\tconst projR = cameraR.projectionMatrix.elements;\n\n\t\t\t// VR systems will have identical far and near planes, and\n\t\t\t// most likely identical top and bottom frustum extents.\n\t\t\t// Use the left camera for these values.\n\t\t\tconst near = projL[ 14 ] / ( projL[ 10 ] - 1 );\n\t\t\tconst far = projL[ 14 ] / ( projL[ 10 ] + 1 );\n\t\t\tconst topFov = ( projL[ 9 ] + 1 ) / projL[ 5 ];\n\t\t\tconst bottomFov = ( projL[ 9 ] - 1 ) / projL[ 5 ];\n\n\t\t\tconst leftFov = ( projL[ 8 ] - 1 ) / projL[ 0 ];\n\t\t\tconst rightFov = ( projR[ 8 ] + 1 ) / projR[ 0 ];\n\t\t\tconst left = near * leftFov;\n\t\t\tconst right = near * rightFov;\n\n\t\t\t// Calculate the new camera's position offset from the\n\t\t\t// left camera. xOffset should be roughly half `ipd`.\n\t\t\tconst zOffset = ipd / ( - leftFov + rightFov );\n\t\t\tconst xOffset = zOffset * - leftFov;\n\n\t\t\t// TODO: Better way to apply this offset?\n\t\t\tcameraL.matrixWorld.decompose( camera.position, camera.quaternion, camera.scale );\n\t\t\tcamera.translateX( xOffset );\n\t\t\tcamera.translateZ( zOffset );\n\t\t\tcamera.matrixWorld.compose( camera.position, camera.quaternion, camera.scale );\n\t\t\tcamera.matrixWorldInverse.copy( camera.matrixWorld ).invert();\n\n\t\t\t// Find the union of the frustum values of the cameras and scale\n\t\t\t// the values so that the near plane's position does not change in world space,\n\t\t\t// although must now be relative to the new union camera.\n\t\t\tconst near2 = near + zOffset;\n\t\t\tconst far2 = far + zOffset;\n\t\t\tconst left2 = left - xOffset;\n\t\t\tconst right2 = right + ( ipd - xOffset );\n\t\t\tconst top2 = topFov * far / far2 * near2;\n\t\t\tconst bottom2 = bottomFov * far / far2 * near2;\n\n\t\t\tcamera.projectionMatrix.makePerspective( left2, right2, top2, bottom2, near2, far2 );\n\n\t\t}\n\n\t\tfunction updateCamera( camera, parent ) {\n\n\t\t\tif ( parent === null ) {\n\n\t\t\t\tcamera.matrixWorld.copy( camera.matrix );\n\n\t\t\t} else {\n\n\t\t\t\tcamera.matrixWorld.multiplyMatrices( parent.matrixWorld, camera.matrix );\n\n\t\t\t}\n\n\t\t\tcamera.matrixWorldInverse.copy( camera.matrixWorld ).invert();\n\n\t\t}\n\n\t\tthis.updateCamera = function ( camera ) {\n\n\t\t\tif ( session === null ) return;\n\n\t\t\tcameraVR.near = cameraR.near = cameraL.near = camera.near;\n\t\t\tcameraVR.far = cameraR.far = cameraL.far = camera.far;\n\n\t\t\tif ( _currentDepthNear !== cameraVR.near || _currentDepthFar !== cameraVR.far ) {\n\n\t\t\t\t// Note that the new renderState won't apply until the next frame. See #18320\n\n\t\t\t\tsession.updateRenderState( {\n\t\t\t\t\tdepthNear: cameraVR.near,\n\t\t\t\t\tdepthFar: cameraVR.far\n\t\t\t\t} );\n\n\t\t\t\t_currentDepthNear = cameraVR.near;\n\t\t\t\t_currentDepthFar = cameraVR.far;\n\n\t\t\t}\n\n\t\t\tconst parent = camera.parent;\n\t\t\tconst cameras = cameraVR.cameras;\n\n\t\t\tupdateCamera( cameraVR, parent );\n\n\t\t\tfor ( let i = 0; i < cameras.length; i ++ ) {\n\n\t\t\t\tupdateCamera( cameras[ i ], parent );\n\n\t\t\t}\n\n\t\t\tcameraVR.matrixWorld.decompose( cameraVR.position, cameraVR.quaternion, cameraVR.scale );\n\n\t\t\t// update user camera and its children\n\n\t\t\tcamera.position.copy( cameraVR.position );\n\t\t\tcamera.quaternion.copy( cameraVR.quaternion );\n\t\t\tcamera.scale.copy( cameraVR.scale );\n\t\t\tcamera.matrix.copy( cameraVR.matrix );\n\t\t\tcamera.matrixWorld.copy( cameraVR.matrixWorld );\n\n\t\t\tconst children = camera.children;\n\n\t\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].updateMatrixWorld( true );\n\n\t\t\t}\n\n\t\t\t// update projection matrix for proper view frustum culling\n\n\t\t\tif ( cameras.length === 2 ) {\n\n\t\t\t\tsetProjectionFromUnion( cameraVR, cameraL, cameraR );\n\n\t\t\t} else {\n\n\t\t\t\t// assume single camera setup (AR)\n\n\t\t\t\tcameraVR.projectionMatrix.copy( cameraL.projectionMatrix );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getCamera = function () {\n\n\t\t\treturn cameraVR;\n\n\t\t};\n\n\t\tthis.getFoveation = function () {\n\n\t\t\tif ( glProjLayer !== null ) {\n\n\t\t\t\treturn glProjLayer.fixedFoveation;\n\n\t\t\t}\n\n\t\t\tif ( glBaseLayer !== null ) {\n\n\t\t\t\treturn glBaseLayer.fixedFoveation;\n\n\t\t\t}\n\n\t\t\treturn undefined;\n\n\t\t};\n\n\t\tthis.setFoveation = function ( foveation ) {\n\n\t\t\t// 0 = no foveation = full resolution\n\t\t\t// 1 = maximum foveation = the edges render at lower resolution\n\n\t\t\tif ( glProjLayer !== null ) {\n\n\t\t\t\tglProjLayer.fixedFoveation = foveation;\n\n\t\t\t}\n\n\t\t\tif ( glBaseLayer !== null && glBaseLayer.fixedFoveation !== undefined ) {\n\n\t\t\t\tglBaseLayer.fixedFoveation = foveation;\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Animation Loop\n\n\t\tlet onAnimationFrameCallback = null;\n\n\t\tfunction onAnimationFrame( time, frame ) {\n\n\t\t\tpose = frame.getViewerPose( referenceSpace );\n\t\t\txrFrame = frame;\n\n\t\t\tif ( pose !== null ) {\n\n\t\t\t\tconst views = pose.views;\n\n\t\t\t\tif ( glBaseLayer !== null ) {\n\n\t\t\t\t\trenderer.setRenderTargetFramebuffer( newRenderTarget, glBaseLayer.framebuffer );\n\t\t\t\t\trenderer.setRenderTarget( newRenderTarget );\n\n\t\t\t\t}\n\n\t\t\t\tlet cameraVRNeedsUpdate = false;\n\n\t\t\t\t// check if it's necessary to rebuild cameraVR's camera list\n\n\t\t\t\tif ( views.length !== cameraVR.cameras.length ) {\n\n\t\t\t\t\tcameraVR.cameras.length = 0;\n\t\t\t\t\tcameraVRNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0; i < views.length; i ++ ) {\n\n\t\t\t\t\tconst view = views[ i ];\n\n\t\t\t\t\tlet viewport = null;\n\n\t\t\t\t\tif ( glBaseLayer !== null ) {\n\n\t\t\t\t\t\tviewport = glBaseLayer.getViewport( view );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst glSubImage = glBinding.getViewSubImage( glProjLayer, view );\n\t\t\t\t\t\tviewport = glSubImage.viewport;\n\n\t\t\t\t\t\t// For side-by-side projection, we only produce a single texture for both eyes.\n\t\t\t\t\t\tif ( i === 0 ) {\n\n\t\t\t\t\t\t\trenderer.setRenderTargetTextures(\n\t\t\t\t\t\t\t\tnewRenderTarget,\n\t\t\t\t\t\t\t\tglSubImage.colorTexture,\n\t\t\t\t\t\t\t\tglProjLayer.ignoreDepthValues ? undefined : glSubImage.depthStencilTexture );\n\n\t\t\t\t\t\t\trenderer.setRenderTarget( newRenderTarget );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst camera = cameras[ i ];\n\n\t\t\t\t\tcamera.matrix.fromArray( view.transform.matrix );\n\t\t\t\t\tcamera.projectionMatrix.fromArray( view.projectionMatrix );\n\t\t\t\t\tcamera.viewport.set( viewport.x, viewport.y, viewport.width, viewport.height );\n\n\t\t\t\t\tif ( i === 0 ) {\n\n\t\t\t\t\t\tcameraVR.matrix.copy( camera.matrix );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( cameraVRNeedsUpdate === true ) {\n\n\t\t\t\t\t\tcameraVR.cameras.push( camera );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tconst inputSources = session.inputSources;\n\n\t\t\tfor ( let i = 0; i < controllers.length; i ++ ) {\n\n\t\t\t\tconst controller = controllers[ i ];\n\t\t\t\tconst inputSource = inputSources[ i ];\n\n\t\t\t\tcontroller.update( inputSource, frame, referenceSpace );\n\n\t\t\t}\n\n\t\t\tif ( onAnimationFrameCallback ) onAnimationFrameCallback( time, frame );\n\n\t\t\txrFrame = null;\n\n\t\t}\n\n\t\tconst animation = new WebGLAnimation();\n\n\t\tanimation.setAnimationLoop( onAnimationFrame );\n\n\t\tthis.setAnimationLoop = function ( callback ) {\n\n\t\t\tonAnimationFrameCallback = callback;\n\n\t\t};\n\n\t\tthis.dispose = function () {};\n\n\t}\n\n}\n\nfunction WebGLMaterials( properties ) {\n\n\tfunction refreshFogUniforms( uniforms, fog ) {\n\n\t\tuniforms.fogColor.value.copy( fog.color );\n\n\t\tif ( fog.isFog ) {\n\n\t\t\tuniforms.fogNear.value = fog.near;\n\t\t\tuniforms.fogFar.value = fog.far;\n\n\t\t} else if ( fog.isFogExp2 ) {\n\n\t\t\tuniforms.fogDensity.value = fog.density;\n\n\t\t}\n\n\t}\n\n\tfunction refreshMaterialUniforms( uniforms, material, pixelRatio, height, transmissionRenderTarget ) {\n\n\t\tif ( material.isMeshBasicMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t} else if ( material.isMeshLambertMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsLambert( uniforms, material );\n\n\t\t} else if ( material.isMeshToonMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsToon( uniforms, material );\n\n\t\t} else if ( material.isMeshPhongMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsPhong( uniforms, material );\n\n\t\t} else if ( material.isMeshStandardMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t\tif ( material.isMeshPhysicalMaterial ) {\n\n\t\t\t\trefreshUniformsPhysical( uniforms, material, transmissionRenderTarget );\n\n\t\t\t} else {\n\n\t\t\t\trefreshUniformsStandard( uniforms, material );\n\n\t\t\t}\n\n\t\t} else if ( material.isMeshMatcapMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsMatcap( uniforms, material );\n\n\t\t} else if ( material.isMeshDepthMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsDepth( uniforms, material );\n\n\t\t} else if ( material.isMeshDistanceMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsDistance( uniforms, material );\n\n\t\t} else if ( material.isMeshNormalMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsNormal( uniforms, material );\n\n\t\t} else if ( material.isLineBasicMaterial ) {\n\n\t\t\trefreshUniformsLine( uniforms, material );\n\n\t\t\tif ( material.isLineDashedMaterial ) {\n\n\t\t\t\trefreshUniformsDash( uniforms, material );\n\n\t\t\t}\n\n\t\t} else if ( material.isPointsMaterial ) {\n\n\t\t\trefreshUniformsPoints( uniforms, material, pixelRatio, height );\n\n\t\t} else if ( material.isSpriteMaterial ) {\n\n\t\t\trefreshUniformsSprites( uniforms, material );\n\n\t\t} else if ( material.isShadowMaterial ) {\n\n\t\t\tuniforms.color.value.copy( material.color );\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t} else if ( material.isShaderMaterial ) {\n\n\t\t\tmaterial.uniformsNeedUpdate = false; // #15581\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsCommon( uniforms, material ) {\n\n\t\tuniforms.opacity.value = material.opacity;\n\n\t\tif ( material.color ) {\n\n\t\t\tuniforms.diffuse.value.copy( material.color );\n\n\t\t}\n\n\t\tif ( material.emissive ) {\n\n\t\t\tuniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity );\n\n\t\t}\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t}\n\n\t\tif ( material.specularMap ) {\n\n\t\t\tuniforms.specularMap.value = material.specularMap;\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t\tconst envMap = properties.get( material ).envMap;\n\n\t\tif ( envMap ) {\n\n\t\t\tuniforms.envMap.value = envMap;\n\n\t\t\tuniforms.flipEnvMap.value = ( envMap.isCubeTexture && envMap.isRenderTargetTexture === false ) ? - 1 : 1;\n\n\t\t\tuniforms.reflectivity.value = material.reflectivity;\n\t\t\tuniforms.ior.value = material.ior;\n\t\t\tuniforms.refractionRatio.value = material.refractionRatio;\n\n\t\t}\n\n\t\tif ( material.lightMap ) {\n\n\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t}\n\n\t\tif ( material.aoMap ) {\n\n\t\t\tuniforms.aoMap.value = material.aoMap;\n\t\t\tuniforms.aoMapIntensity.value = material.aoMapIntensity;\n\n\t\t}\n\n\t\t// uv repeat and offset setting priorities\n\t\t// 1. color map\n\t\t// 2. specular map\n\t\t// 3. displacementMap map\n\t\t// 4. normal map\n\t\t// 5. bump map\n\t\t// 6. roughnessMap map\n\t\t// 7. metalnessMap map\n\t\t// 8. alphaMap map\n\t\t// 9. emissiveMap map\n\t\t// 10. clearcoat map\n\t\t// 11. clearcoat normal map\n\t\t// 12. clearcoat roughnessMap map\n\t\t// 13. specular intensity map\n\t\t// 14. specular tint map\n\t\t// 15. transmission map\n\t\t// 16. thickness map\n\n\t\tlet uvScaleMap;\n\n\t\tif ( material.map ) {\n\n\t\t\tuvScaleMap = material.map;\n\n\t\t} else if ( material.specularMap ) {\n\n\t\t\tuvScaleMap = material.specularMap;\n\n\t\t} else if ( material.displacementMap ) {\n\n\t\t\tuvScaleMap = material.displacementMap;\n\n\t\t} else if ( material.normalMap ) {\n\n\t\t\tuvScaleMap = material.normalMap;\n\n\t\t} else if ( material.bumpMap ) {\n\n\t\t\tuvScaleMap = material.bumpMap;\n\n\t\t} else if ( material.roughnessMap ) {\n\n\t\t\tuvScaleMap = material.roughnessMap;\n\n\t\t} else if ( material.metalnessMap ) {\n\n\t\t\tuvScaleMap = material.metalnessMap;\n\n\t\t} else if ( material.alphaMap ) {\n\n\t\t\tuvScaleMap = material.alphaMap;\n\n\t\t} else if ( material.emissiveMap ) {\n\n\t\t\tuvScaleMap = material.emissiveMap;\n\n\t\t} else if ( material.clearcoatMap ) {\n\n\t\t\tuvScaleMap = material.clearcoatMap;\n\n\t\t} else if ( material.clearcoatNormalMap ) {\n\n\t\t\tuvScaleMap = material.clearcoatNormalMap;\n\n\t\t} else if ( material.clearcoatRoughnessMap ) {\n\n\t\t\tuvScaleMap = material.clearcoatRoughnessMap;\n\n\t\t} else if ( material.specularIntensityMap ) {\n\n\t\t\tuvScaleMap = material.specularIntensityMap;\n\n\t\t} else if ( material.specularColorMap ) {\n\n\t\t\tuvScaleMap = material.specularColorMap;\n\n\t\t} else if ( material.transmissionMap ) {\n\n\t\t\tuvScaleMap = material.transmissionMap;\n\n\t\t} else if ( material.thicknessMap ) {\n\n\t\t\tuvScaleMap = material.thicknessMap;\n\n\t\t} else if ( material.sheenColorMap ) {\n\n\t\t\tuvScaleMap = material.sheenColorMap;\n\n\t\t} else if ( material.sheenRoughnessMap ) {\n\n\t\t\tuvScaleMap = material.sheenRoughnessMap;\n\n\t\t}\n\n\t\tif ( uvScaleMap !== undefined ) {\n\n\t\t\t// backwards compatibility\n\t\t\tif ( uvScaleMap.isWebGLRenderTarget ) {\n\n\t\t\t\tuvScaleMap = uvScaleMap.texture;\n\n\t\t\t}\n\n\t\t\tif ( uvScaleMap.matrixAutoUpdate === true ) {\n\n\t\t\t\tuvScaleMap.updateMatrix();\n\n\t\t\t}\n\n\t\t\tuniforms.uvTransform.value.copy( uvScaleMap.matrix );\n\n\t\t}\n\n\t\t// uv repeat and offset setting priorities for uv2\n\t\t// 1. ao map\n\t\t// 2. light map\n\n\t\tlet uv2ScaleMap;\n\n\t\tif ( material.aoMap ) {\n\n\t\t\tuv2ScaleMap = material.aoMap;\n\n\t\t} else if ( material.lightMap ) {\n\n\t\t\tuv2ScaleMap = material.lightMap;\n\n\t\t}\n\n\t\tif ( uv2ScaleMap !== undefined ) {\n\n\t\t\t// backwards compatibility\n\t\t\tif ( uv2ScaleMap.isWebGLRenderTarget ) {\n\n\t\t\t\tuv2ScaleMap = uv2ScaleMap.texture;\n\n\t\t\t}\n\n\t\t\tif ( uv2ScaleMap.matrixAutoUpdate === true ) {\n\n\t\t\t\tuv2ScaleMap.updateMatrix();\n\n\t\t\t}\n\n\t\t\tuniforms.uv2Transform.value.copy( uv2ScaleMap.matrix );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsLine( uniforms, material ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\n\t}\n\n\tfunction refreshUniformsDash( uniforms, material ) {\n\n\t\tuniforms.dashSize.value = material.dashSize;\n\t\tuniforms.totalSize.value = material.dashSize + material.gapSize;\n\t\tuniforms.scale.value = material.scale;\n\n\t}\n\n\tfunction refreshUniformsPoints( uniforms, material, pixelRatio, height ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\t\tuniforms.size.value = material.size * pixelRatio;\n\t\tuniforms.scale.value = height * 0.5;\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t\t// uv repeat and offset setting priorities\n\t\t// 1. color map\n\t\t// 2. alpha map\n\n\t\tlet uvScaleMap;\n\n\t\tif ( material.map ) {\n\n\t\t\tuvScaleMap = material.map;\n\n\t\t} else if ( material.alphaMap ) {\n\n\t\t\tuvScaleMap = material.alphaMap;\n\n\t\t}\n\n\t\tif ( uvScaleMap !== undefined ) {\n\n\t\t\tif ( uvScaleMap.matrixAutoUpdate === true ) {\n\n\t\t\t\tuvScaleMap.updateMatrix();\n\n\t\t\t}\n\n\t\t\tuniforms.uvTransform.value.copy( uvScaleMap.matrix );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsSprites( uniforms, material ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\t\tuniforms.rotation.value = material.rotation;\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t\t// uv repeat and offset setting priorities\n\t\t// 1. color map\n\t\t// 2. alpha map\n\n\t\tlet uvScaleMap;\n\n\t\tif ( material.map ) {\n\n\t\t\tuvScaleMap = material.map;\n\n\t\t} else if ( material.alphaMap ) {\n\n\t\t\tuvScaleMap = material.alphaMap;\n\n\t\t}\n\n\t\tif ( uvScaleMap !== undefined ) {\n\n\t\t\tif ( uvScaleMap.matrixAutoUpdate === true ) {\n\n\t\t\t\tuvScaleMap.updateMatrix();\n\n\t\t\t}\n\n\t\t\tuniforms.uvTransform.value.copy( uvScaleMap.matrix );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsLambert( uniforms, material ) {\n\n\t\tif ( material.emissiveMap ) {\n\n\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsPhong( uniforms, material ) {\n\n\t\tuniforms.specular.value.copy( material.specular );\n\t\tuniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 )\n\n\t\tif ( material.emissiveMap ) {\n\n\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t}\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\t\t\tif ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\t\t\tif ( material.side === BackSide ) uniforms.normalScale.value.negate();\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsToon( uniforms, material ) {\n\n\t\tif ( material.gradientMap ) {\n\n\t\t\tuniforms.gradientMap.value = material.gradientMap;\n\n\t\t}\n\n\t\tif ( material.emissiveMap ) {\n\n\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t}\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\t\t\tif ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\t\t\tif ( material.side === BackSide ) uniforms.normalScale.value.negate();\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsStandard( uniforms, material ) {\n\n\t\tuniforms.roughness.value = material.roughness;\n\t\tuniforms.metalness.value = material.metalness;\n\n\t\tif ( material.roughnessMap ) {\n\n\t\t\tuniforms.roughnessMap.value = material.roughnessMap;\n\n\t\t}\n\n\t\tif ( material.metalnessMap ) {\n\n\t\t\tuniforms.metalnessMap.value = material.metalnessMap;\n\n\t\t}\n\n\t\tif ( material.emissiveMap ) {\n\n\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t}\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\t\t\tif ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\t\t\tif ( material.side === BackSide ) uniforms.normalScale.value.negate();\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t\tconst envMap = properties.get( material ).envMap;\n\n\t\tif ( envMap ) {\n\n\t\t\t//uniforms.envMap.value = material.envMap; // part of uniforms common\n\t\t\tuniforms.envMapIntensity.value = material.envMapIntensity;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsPhysical( uniforms, material, transmissionRenderTarget ) {\n\n\t\trefreshUniformsStandard( uniforms, material );\n\n\t\tuniforms.ior.value = material.ior; // also part of uniforms common\n\n\t\tif ( material.sheen > 0 ) {\n\n\t\t\tuniforms.sheenColor.value.copy( material.sheenColor ).multiplyScalar( material.sheen );\n\n\t\t\tuniforms.sheenRoughness.value = material.sheenRoughness;\n\n\t\t\tif ( material.sheenColorMap ) {\n\n\t\t\t\tuniforms.sheenColorMap.value = material.sheenColorMap;\n\n\t\t\t}\n\n\t\t\tif ( material.sheenRoughnessMap ) {\n\n\t\t\t\tuniforms.sheenRoughnessMap.value = material.sheenRoughnessMap;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.clearcoat > 0 ) {\n\n\t\t\tuniforms.clearcoat.value = material.clearcoat;\n\t\t\tuniforms.clearcoatRoughness.value = material.clearcoatRoughness;\n\n\t\t\tif ( material.clearcoatMap ) {\n\n\t\t\t\tuniforms.clearcoatMap.value = material.clearcoatMap;\n\n\t\t\t}\n\n\t\t\tif ( material.clearcoatRoughnessMap ) {\n\n\t\t\t\tuniforms.clearcoatRoughnessMap.value = material.clearcoatRoughnessMap;\n\n\t\t\t}\n\n\t\t\tif ( material.clearcoatNormalMap ) {\n\n\t\t\t\tuniforms.clearcoatNormalScale.value.copy( material.clearcoatNormalScale );\n\t\t\t\tuniforms.clearcoatNormalMap.value = material.clearcoatNormalMap;\n\n\t\t\t\tif ( material.side === BackSide ) {\n\n\t\t\t\t\tuniforms.clearcoatNormalScale.value.negate();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.transmission > 0 ) {\n\n\t\t\tuniforms.transmission.value = material.transmission;\n\t\t\tuniforms.transmissionSamplerMap.value = transmissionRenderTarget.texture;\n\t\t\tuniforms.transmissionSamplerSize.value.set( transmissionRenderTarget.width, transmissionRenderTarget.height );\n\n\t\t\tif ( material.transmissionMap ) {\n\n\t\t\t\tuniforms.transmissionMap.value = material.transmissionMap;\n\n\t\t\t}\n\n\t\t\tuniforms.thickness.value = material.thickness;\n\n\t\t\tif ( material.thicknessMap ) {\n\n\t\t\t\tuniforms.thicknessMap.value = material.thicknessMap;\n\n\t\t\t}\n\n\t\t\tuniforms.attenuationDistance.value = material.attenuationDistance;\n\t\t\tuniforms.attenuationColor.value.copy( material.attenuationColor );\n\n\t\t}\n\n\t\tuniforms.specularIntensity.value = material.specularIntensity;\n\t\tuniforms.specularColor.value.copy( material.specularColor );\n\n\t\tif ( material.specularIntensityMap ) {\n\n\t\t\tuniforms.specularIntensityMap.value = material.specularIntensityMap;\n\n\t\t}\n\n\t\tif ( material.specularColorMap ) {\n\n\t\t\tuniforms.specularColorMap.value = material.specularColorMap;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsMatcap( uniforms, material ) {\n\n\t\tif ( material.matcap ) {\n\n\t\t\tuniforms.matcap.value = material.matcap;\n\n\t\t}\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\t\t\tif ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\t\t\tif ( material.side === BackSide ) uniforms.normalScale.value.negate();\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsDepth( uniforms, material ) {\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsDistance( uniforms, material ) {\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t\tuniforms.referencePosition.value.copy( material.referencePosition );\n\t\tuniforms.nearDistance.value = material.nearDistance;\n\t\tuniforms.farDistance.value = material.farDistance;\n\n\t}\n\n\tfunction refreshUniformsNormal( uniforms, material ) {\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\t\t\tif ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\t\t\tif ( material.side === BackSide ) uniforms.normalScale.value.negate();\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\trefreshFogUniforms: refreshFogUniforms,\n\t\trefreshMaterialUniforms: refreshMaterialUniforms\n\t};\n\n}\n\nfunction createCanvasElement() {\n\n\tconst canvas = createElementNS( 'canvas' );\n\tcanvas.style.display = 'block';\n\treturn canvas;\n\n}\n\nfunction WebGLRenderer( parameters = {} ) {\n\n\tconst _canvas = parameters.canvas !== undefined ? parameters.canvas : createCanvasElement(),\n\t\t_context = parameters.context !== undefined ? parameters.context : null,\n\n\t\t_alpha = parameters.alpha !== undefined ? parameters.alpha : false,\n\t\t_depth = parameters.depth !== undefined ? parameters.depth : true,\n\t\t_stencil = parameters.stencil !== undefined ? parameters.stencil : true,\n\t\t_antialias = parameters.antialias !== undefined ? parameters.antialias : false,\n\t\t_premultipliedAlpha = parameters.premultipliedAlpha !== undefined ? parameters.premultipliedAlpha : true,\n\t\t_preserveDrawingBuffer = parameters.preserveDrawingBuffer !== undefined ? parameters.preserveDrawingBuffer : false,\n\t\t_powerPreference = parameters.powerPreference !== undefined ? parameters.powerPreference : 'default',\n\t\t_failIfMajorPerformanceCaveat = parameters.failIfMajorPerformanceCaveat !== undefined ? parameters.failIfMajorPerformanceCaveat : false;\n\n\tlet currentRenderList = null;\n\tlet currentRenderState = null;\n\n\t// render() can be called from within a callback triggered by another render.\n\t// We track this so that the nested render call gets its list and state isolated from the parent render call.\n\n\tconst renderListStack = [];\n\tconst renderStateStack = [];\n\n\t// public properties\n\n\tthis.domElement = _canvas;\n\n\t// Debug configuration container\n\tthis.debug = {\n\n\t\t/**\n\t\t * Enables error checking and reporting when shader programs are being compiled\n\t\t * @type {boolean}\n\t\t */\n\t\tcheckShaderErrors: true\n\t};\n\n\t// clearing\n\n\tthis.autoClear = true;\n\tthis.autoClearColor = true;\n\tthis.autoClearDepth = true;\n\tthis.autoClearStencil = true;\n\n\t// scene graph\n\n\tthis.sortObjects = true;\n\n\t// user-defined clipping\n\n\tthis.clippingPlanes = [];\n\tthis.localClippingEnabled = false;\n\n\t// physically based shading\n\n\tthis.gammaFactor = 2.0;\t// for backwards compatibility\n\tthis.outputEncoding = LinearEncoding;\n\n\t// physical lights\n\n\tthis.physicallyCorrectLights = false;\n\n\t// tone mapping\n\n\tthis.toneMapping = NoToneMapping;\n\tthis.toneMappingExposure = 1.0;\n\n\t// internal properties\n\n\tconst _this = this;\n\n\tlet _isContextLost = false;\n\n\t// internal state cache\n\n\tlet _currentActiveCubeFace = 0;\n\tlet _currentActiveMipmapLevel = 0;\n\tlet _currentRenderTarget = null;\n\tlet _currentMaterialId = - 1;\n\n\tlet _currentCamera = null;\n\n\tconst _currentViewport = new Vector4();\n\tconst _currentScissor = new Vector4();\n\tlet _currentScissorTest = null;\n\n\t//\n\n\tlet _width = _canvas.width;\n\tlet _height = _canvas.height;\n\n\tlet _pixelRatio = 1;\n\tlet _opaqueSort = null;\n\tlet _transparentSort = null;\n\n\tconst _viewport = new Vector4( 0, 0, _width, _height );\n\tconst _scissor = new Vector4( 0, 0, _width, _height );\n\tlet _scissorTest = false;\n\n\t//\n\n\tconst _currentDrawBuffers = [];\n\n\t// frustum\n\n\tconst _frustum = new Frustum();\n\n\t// clipping\n\n\tlet _clippingEnabled = false;\n\tlet _localClippingEnabled = false;\n\n\t// transmission\n\n\tlet _transmissionRenderTarget = null;\n\n\t// camera matrices cache\n\n\tconst _projScreenMatrix = new Matrix4();\n\n\tconst _vector3 = new Vector3();\n\n\tconst _emptyScene = { background: null, fog: null, environment: null, overrideMaterial: null, isScene: true };\n\n\tfunction getTargetPixelRatio() {\n\n\t\treturn _currentRenderTarget === null ? _pixelRatio : 1;\n\n\t}\n\n\t// initialize\n\n\tlet _gl = _context;\n\n\tfunction getContext( contextNames, contextAttributes ) {\n\n\t\tfor ( let i = 0; i < contextNames.length; i ++ ) {\n\n\t\t\tconst contextName = contextNames[ i ];\n\t\t\tconst context = _canvas.getContext( contextName, contextAttributes );\n\t\t\tif ( context !== null ) return context;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\ttry {\n\n\t\tconst contextAttributes = {\n\t\t\talpha: _alpha,\n\t\t\tdepth: _depth,\n\t\t\tstencil: _stencil,\n\t\t\tantialias: _antialias,\n\t\t\tpremultipliedAlpha: _premultipliedAlpha,\n\t\t\tpreserveDrawingBuffer: _preserveDrawingBuffer,\n\t\t\tpowerPreference: _powerPreference,\n\t\t\tfailIfMajorPerformanceCaveat: _failIfMajorPerformanceCaveat\n\t\t};\n\n\t\t// OffscreenCanvas does not have setAttribute, see #22811\n\t\tif ( 'setAttribute' in _canvas ) _canvas.setAttribute( 'data-engine', `three.js r${REVISION}` );\n\n\t\t// event listeners must be registered before WebGL context is created, see #12753\n\t\t_canvas.addEventListener( 'webglcontextlost', onContextLost, false );\n\t\t_canvas.addEventListener( 'webglcontextrestored', onContextRestore, false );\n\n\t\tif ( _gl === null ) {\n\n\t\t\tconst contextNames = [ 'webgl2', 'webgl', 'experimental-webgl' ];\n\n\t\t\tif ( _this.isWebGL1Renderer === true ) {\n\n\t\t\t\tcontextNames.shift();\n\n\t\t\t}\n\n\t\t\t_gl = getContext( contextNames, contextAttributes );\n\n\t\t\tif ( _gl === null ) {\n\n\t\t\t\tif ( getContext( contextNames ) ) {\n\n\t\t\t\t\tthrow new Error( 'Error creating WebGL context with your selected attributes.' );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new Error( 'Error creating WebGL context.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Some experimental-webgl implementations do not have getShaderPrecisionFormat\n\n\t\tif ( _gl.getShaderPrecisionFormat === undefined ) {\n\n\t\t\t_gl.getShaderPrecisionFormat = function () {\n\n\t\t\t\treturn { 'rangeMin': 1, 'rangeMax': 1, 'precision': 1 };\n\n\t\t\t};\n\n\t\t}\n\n\t} catch ( error ) {\n\n\t\tconsole.error( 'THREE.WebGLRenderer: ' + error.message );\n\t\tthrow error;\n\n\t}\n\n\tlet extensions, capabilities, state, info;\n\tlet properties, textures, cubemaps, cubeuvmaps, attributes, geometries, objects;\n\tlet programCache, materials, renderLists, renderStates, clipping, shadowMap;\n\n\tlet background, morphtargets, bufferRenderer, indexedBufferRenderer;\n\n\tlet utils, bindingStates;\n\n\tfunction initGLContext() {\n\n\t\textensions = new WebGLExtensions( _gl );\n\n\t\tcapabilities = new WebGLCapabilities( _gl, extensions, parameters );\n\n\t\textensions.init( capabilities );\n\n\t\tutils = new WebGLUtils( _gl, extensions, capabilities );\n\n\t\tstate = new WebGLState( _gl, extensions, capabilities );\n\n\t\t_currentDrawBuffers[ 0 ] = 1029;\n\n\t\tinfo = new WebGLInfo( _gl );\n\t\tproperties = new WebGLProperties();\n\t\ttextures = new WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info );\n\t\tcubemaps = new WebGLCubeMaps( _this );\n\t\tcubeuvmaps = new WebGLCubeUVMaps( _this );\n\t\tattributes = new WebGLAttributes( _gl, capabilities );\n\t\tbindingStates = new WebGLBindingStates( _gl, extensions, attributes, capabilities );\n\t\tgeometries = new WebGLGeometries( _gl, attributes, info, bindingStates );\n\t\tobjects = new WebGLObjects( _gl, geometries, attributes, info );\n\t\tmorphtargets = new WebGLMorphtargets( _gl, capabilities, textures );\n\t\tclipping = new WebGLClipping( properties );\n\t\tprogramCache = new WebGLPrograms( _this, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping );\n\t\tmaterials = new WebGLMaterials( properties );\n\t\trenderLists = new WebGLRenderLists( properties );\n\t\trenderStates = new WebGLRenderStates( extensions, capabilities );\n\t\tbackground = new WebGLBackground( _this, cubemaps, state, objects, _premultipliedAlpha );\n\t\tshadowMap = new WebGLShadowMap( _this, objects, capabilities );\n\n\t\tbufferRenderer = new WebGLBufferRenderer( _gl, extensions, info, capabilities );\n\t\tindexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, info, capabilities );\n\n\t\tinfo.programs = programCache.programs;\n\n\t\t_this.capabilities = capabilities;\n\t\t_this.extensions = extensions;\n\t\t_this.properties = properties;\n\t\t_this.renderLists = renderLists;\n\t\t_this.shadowMap = shadowMap;\n\t\t_this.state = state;\n\t\t_this.info = info;\n\n\t}\n\n\tinitGLContext();\n\n\t// xr\n\n\tconst xr = new WebXRManager( _this, _gl );\n\n\tthis.xr = xr;\n\n\t// API\n\n\tthis.getContext = function () {\n\n\t\treturn _gl;\n\n\t};\n\n\tthis.getContextAttributes = function () {\n\n\t\treturn _gl.getContextAttributes();\n\n\t};\n\n\tthis.forceContextLoss = function () {\n\n\t\tconst extension = extensions.get( 'WEBGL_lose_context' );\n\t\tif ( extension ) extension.loseContext();\n\n\t};\n\n\tthis.forceContextRestore = function () {\n\n\t\tconst extension = extensions.get( 'WEBGL_lose_context' );\n\t\tif ( extension ) extension.restoreContext();\n\n\t};\n\n\tthis.getPixelRatio = function () {\n\n\t\treturn _pixelRatio;\n\n\t};\n\n\tthis.setPixelRatio = function ( value ) {\n\n\t\tif ( value === undefined ) return;\n\n\t\t_pixelRatio = value;\n\n\t\tthis.setSize( _width, _height, false );\n\n\t};\n\n\tthis.getSize = function ( target ) {\n\n\t\treturn target.set( _width, _height );\n\n\t};\n\n\tthis.setSize = function ( width, height, updateStyle ) {\n\n\t\tif ( xr.isPresenting ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Can\\'t change size while VR device is presenting.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\t_width = width;\n\t\t_height = height;\n\n\t\t_canvas.width = Math.floor( width * _pixelRatio );\n\t\t_canvas.height = Math.floor( height * _pixelRatio );\n\n\t\tif ( updateStyle !== false ) {\n\n\t\t\t_canvas.style.width = width + 'px';\n\t\t\t_canvas.style.height = height + 'px';\n\n\t\t}\n\n\t\tthis.setViewport( 0, 0, width, height );\n\n\t};\n\n\tthis.getDrawingBufferSize = function ( target ) {\n\n\t\treturn target.set( _width * _pixelRatio, _height * _pixelRatio ).floor();\n\n\t};\n\n\tthis.setDrawingBufferSize = function ( width, height, pixelRatio ) {\n\n\t\t_width = width;\n\t\t_height = height;\n\n\t\t_pixelRatio = pixelRatio;\n\n\t\t_canvas.width = Math.floor( width * pixelRatio );\n\t\t_canvas.height = Math.floor( height * pixelRatio );\n\n\t\tthis.setViewport( 0, 0, width, height );\n\n\t};\n\n\tthis.getCurrentViewport = function ( target ) {\n\n\t\treturn target.copy( _currentViewport );\n\n\t};\n\n\tthis.getViewport = function ( target ) {\n\n\t\treturn target.copy( _viewport );\n\n\t};\n\n\tthis.setViewport = function ( x, y, width, height ) {\n\n\t\tif ( x.isVector4 ) {\n\n\t\t\t_viewport.set( x.x, x.y, x.z, x.w );\n\n\t\t} else {\n\n\t\t\t_viewport.set( x, y, width, height );\n\n\t\t}\n\n\t\tstate.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).floor() );\n\n\t};\n\n\tthis.getScissor = function ( target ) {\n\n\t\treturn target.copy( _scissor );\n\n\t};\n\n\tthis.setScissor = function ( x, y, width, height ) {\n\n\t\tif ( x.isVector4 ) {\n\n\t\t\t_scissor.set( x.x, x.y, x.z, x.w );\n\n\t\t} else {\n\n\t\t\t_scissor.set( x, y, width, height );\n\n\t\t}\n\n\t\tstate.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).floor() );\n\n\t};\n\n\tthis.getScissorTest = function () {\n\n\t\treturn _scissorTest;\n\n\t};\n\n\tthis.setScissorTest = function ( boolean ) {\n\n\t\tstate.setScissorTest( _scissorTest = boolean );\n\n\t};\n\n\tthis.setOpaqueSort = function ( method ) {\n\n\t\t_opaqueSort = method;\n\n\t};\n\n\tthis.setTransparentSort = function ( method ) {\n\n\t\t_transparentSort = method;\n\n\t};\n\n\t// Clearing\n\n\tthis.getClearColor = function ( target ) {\n\n\t\treturn target.copy( background.getClearColor() );\n\n\t};\n\n\tthis.setClearColor = function () {\n\n\t\tbackground.setClearColor.apply( background, arguments );\n\n\t};\n\n\tthis.getClearAlpha = function () {\n\n\t\treturn background.getClearAlpha();\n\n\t};\n\n\tthis.setClearAlpha = function () {\n\n\t\tbackground.setClearAlpha.apply( background, arguments );\n\n\t};\n\n\tthis.clear = function ( color, depth, stencil ) {\n\n\t\tlet bits = 0;\n\n\t\tif ( color === undefined || color ) bits |= 16384;\n\t\tif ( depth === undefined || depth ) bits |= 256;\n\t\tif ( stencil === undefined || stencil ) bits |= 1024;\n\n\t\t_gl.clear( bits );\n\n\t};\n\n\tthis.clearColor = function () {\n\n\t\tthis.clear( true, false, false );\n\n\t};\n\n\tthis.clearDepth = function () {\n\n\t\tthis.clear( false, true, false );\n\n\t};\n\n\tthis.clearStencil = function () {\n\n\t\tthis.clear( false, false, true );\n\n\t};\n\n\t//\n\n\tthis.dispose = function () {\n\n\t\t_canvas.removeEventListener( 'webglcontextlost', onContextLost, false );\n\t\t_canvas.removeEventListener( 'webglcontextrestored', onContextRestore, false );\n\n\t\trenderLists.dispose();\n\t\trenderStates.dispose();\n\t\tproperties.dispose();\n\t\tcubemaps.dispose();\n\t\tcubeuvmaps.dispose();\n\t\tobjects.dispose();\n\t\tbindingStates.dispose();\n\n\t\txr.dispose();\n\n\t\txr.removeEventListener( 'sessionstart', onXRSessionStart );\n\t\txr.removeEventListener( 'sessionend', onXRSessionEnd );\n\n\t\tif ( _transmissionRenderTarget ) {\n\n\t\t\t_transmissionRenderTarget.dispose();\n\t\t\t_transmissionRenderTarget = null;\n\n\t\t}\n\n\t\tanimation.stop();\n\n\t};\n\n\t// Events\n\n\tfunction onContextLost( event ) {\n\n\t\tevent.preventDefault();\n\n\t\tconsole.log( 'THREE.WebGLRenderer: Context Lost.' );\n\n\t\t_isContextLost = true;\n\n\t}\n\n\tfunction onContextRestore( /* event */ ) {\n\n\t\tconsole.log( 'THREE.WebGLRenderer: Context Restored.' );\n\n\t\t_isContextLost = false;\n\n\t\tconst infoAutoReset = info.autoReset;\n\t\tconst shadowMapEnabled = shadowMap.enabled;\n\t\tconst shadowMapAutoUpdate = shadowMap.autoUpdate;\n\t\tconst shadowMapNeedsUpdate = shadowMap.needsUpdate;\n\t\tconst shadowMapType = shadowMap.type;\n\n\t\tinitGLContext();\n\n\t\tinfo.autoReset = infoAutoReset;\n\t\tshadowMap.enabled = shadowMapEnabled;\n\t\tshadowMap.autoUpdate = shadowMapAutoUpdate;\n\t\tshadowMap.needsUpdate = shadowMapNeedsUpdate;\n\t\tshadowMap.type = shadowMapType;\n\n\t}\n\n\tfunction onMaterialDispose( event ) {\n\n\t\tconst material = event.target;\n\n\t\tmaterial.removeEventListener( 'dispose', onMaterialDispose );\n\n\t\tdeallocateMaterial( material );\n\n\t}\n\n\t// Buffer deallocation\n\n\tfunction deallocateMaterial( material ) {\n\n\t\treleaseMaterialProgramReferences( material );\n\n\t\tproperties.remove( material );\n\n\t}\n\n\n\tfunction releaseMaterialProgramReferences( material ) {\n\n\t\tconst programs = properties.get( material ).programs;\n\n\t\tif ( programs !== undefined ) {\n\n\t\t\tprograms.forEach( function ( program ) {\n\n\t\t\t\tprogramCache.releaseProgram( program );\n\n\t\t\t} );\n\n\t\t}\n\n\t}\n\n\t// Buffer rendering\n\n\tthis.renderBufferDirect = function ( camera, scene, geometry, material, object, group ) {\n\n\t\tif ( scene === null ) scene = _emptyScene; // renderBufferDirect second parameter used to be fog (could be null)\n\n\t\tconst frontFaceCW = ( object.isMesh && object.matrixWorld.determinant() < 0 );\n\n\t\tconst program = setProgram( camera, scene, geometry, material, object );\n\n\t\tstate.setMaterial( material, frontFaceCW );\n\n\t\t//\n\n\t\tlet index = geometry.index;\n\t\tconst position = geometry.attributes.position;\n\n\t\t//\n\n\t\tif ( index === null ) {\n\n\t\t\tif ( position === undefined || position.count === 0 ) return;\n\n\t\t} else if ( index.count === 0 ) {\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t//\n\n\t\tlet rangeFactor = 1;\n\n\t\tif ( material.wireframe === true ) {\n\n\t\t\tindex = geometries.getWireframeAttribute( geometry );\n\t\t\trangeFactor = 2;\n\n\t\t}\n\n\t\tbindingStates.setup( object, material, program, geometry, index );\n\n\t\tlet attribute;\n\t\tlet renderer = bufferRenderer;\n\n\t\tif ( index !== null ) {\n\n\t\t\tattribute = attributes.get( index );\n\n\t\t\trenderer = indexedBufferRenderer;\n\t\t\trenderer.setIndex( attribute );\n\n\t\t}\n\n\t\t//\n\n\t\tconst dataCount = ( index !== null ) ? index.count : position.count;\n\n\t\tconst rangeStart = geometry.drawRange.start * rangeFactor;\n\t\tconst rangeCount = geometry.drawRange.count * rangeFactor;\n\n\t\tconst groupStart = group !== null ? group.start * rangeFactor : 0;\n\t\tconst groupCount = group !== null ? group.count * rangeFactor : Infinity;\n\n\t\tconst drawStart = Math.max( rangeStart, groupStart );\n\t\tconst drawEnd = Math.min( dataCount, rangeStart + rangeCount, groupStart + groupCount ) - 1;\n\n\t\tconst drawCount = Math.max( 0, drawEnd - drawStart + 1 );\n\n\t\tif ( drawCount === 0 ) return;\n\n\t\t//\n\n\t\tif ( object.isMesh ) {\n\n\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\tstate.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() );\n\t\t\t\trenderer.setMode( 1 );\n\n\t\t\t} else {\n\n\t\t\t\trenderer.setMode( 4 );\n\n\t\t\t}\n\n\t\t} else if ( object.isLine ) {\n\n\t\t\tlet lineWidth = material.linewidth;\n\n\t\t\tif ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material\n\n\t\t\tstate.setLineWidth( lineWidth * getTargetPixelRatio() );\n\n\t\t\tif ( object.isLineSegments ) {\n\n\t\t\t\trenderer.setMode( 1 );\n\n\t\t\t} else if ( object.isLineLoop ) {\n\n\t\t\t\trenderer.setMode( 2 );\n\n\t\t\t} else {\n\n\t\t\t\trenderer.setMode( 3 );\n\n\t\t\t}\n\n\t\t} else if ( object.isPoints ) {\n\n\t\t\trenderer.setMode( 0 );\n\n\t\t} else if ( object.isSprite ) {\n\n\t\t\trenderer.setMode( 4 );\n\n\t\t}\n\n\t\tif ( object.isInstancedMesh ) {\n\n\t\t\trenderer.renderInstances( drawStart, drawCount, object.count );\n\n\t\t} else if ( geometry.isInstancedBufferGeometry ) {\n\n\t\t\tconst instanceCount = Math.min( geometry.instanceCount, geometry._maxInstanceCount );\n\n\t\t\trenderer.renderInstances( drawStart, drawCount, instanceCount );\n\n\t\t} else {\n\n\t\t\trenderer.render( drawStart, drawCount );\n\n\t\t}\n\n\t};\n\n\t// Compile\n\n\tthis.compile = function ( scene, camera ) {\n\n\t\tcurrentRenderState = renderStates.get( scene );\n\t\tcurrentRenderState.init();\n\n\t\trenderStateStack.push( currentRenderState );\n\n\t\tscene.traverseVisible( function ( object ) {\n\n\t\t\tif ( object.isLight && object.layers.test( camera.layers ) ) {\n\n\t\t\t\tcurrentRenderState.pushLight( object );\n\n\t\t\t\tif ( object.castShadow ) {\n\n\t\t\t\t\tcurrentRenderState.pushShadow( object );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} );\n\n\t\tcurrentRenderState.setupLights( _this.physicallyCorrectLights );\n\n\t\tscene.traverse( function ( object ) {\n\n\t\t\tconst material = object.material;\n\n\t\t\tif ( material ) {\n\n\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\tfor ( let i = 0; i < material.length; i ++ ) {\n\n\t\t\t\t\t\tconst material2 = material[ i ];\n\n\t\t\t\t\t\tgetProgram( material2, scene, object );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgetProgram( material, scene, object );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} );\n\n\t\trenderStateStack.pop();\n\t\tcurrentRenderState = null;\n\n\t};\n\n\t// Animation Loop\n\n\tlet onAnimationFrameCallback = null;\n\n\tfunction onAnimationFrame( time ) {\n\n\t\tif ( onAnimationFrameCallback ) onAnimationFrameCallback( time );\n\n\t}\n\n\tfunction onXRSessionStart() {\n\n\t\tanimation.stop();\n\n\t}\n\n\tfunction onXRSessionEnd() {\n\n\t\tanimation.start();\n\n\t}\n\n\tconst animation = new WebGLAnimation();\n\tanimation.setAnimationLoop( onAnimationFrame );\n\n\tif ( typeof window !== 'undefined' ) animation.setContext( window );\n\n\tthis.setAnimationLoop = function ( callback ) {\n\n\t\tonAnimationFrameCallback = callback;\n\t\txr.setAnimationLoop( callback );\n\n\t\t( callback === null ) ? animation.stop() : animation.start();\n\n\t};\n\n\txr.addEventListener( 'sessionstart', onXRSessionStart );\n\txr.addEventListener( 'sessionend', onXRSessionEnd );\n\n\t// Rendering\n\n\tthis.render = function ( scene, camera ) {\n\n\t\tif ( camera !== undefined && camera.isCamera !== true ) {\n\n\t\t\tconsole.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( _isContextLost === true ) return;\n\n\t\t// update scene graph\n\n\t\tif ( scene.autoUpdate === true ) scene.updateMatrixWorld();\n\n\t\t// update camera matrices and frustum\n\n\t\tif ( camera.parent === null ) camera.updateMatrixWorld();\n\n\t\tif ( xr.enabled === true && xr.isPresenting === true ) {\n\n\t\t\tif ( xr.cameraAutoUpdate === true ) xr.updateCamera( camera );\n\n\t\t\tcamera = xr.getCamera(); // use XR camera for rendering\n\n\t\t}\n\n\t\t//\n\t\tif ( scene.isScene === true ) scene.onBeforeRender( _this, scene, camera, _currentRenderTarget );\n\n\t\tcurrentRenderState = renderStates.get( scene, renderStateStack.length );\n\t\tcurrentRenderState.init();\n\n\t\trenderStateStack.push( currentRenderState );\n\n\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\t_frustum.setFromProjectionMatrix( _projScreenMatrix );\n\n\t\t_localClippingEnabled = this.localClippingEnabled;\n\t\t_clippingEnabled = clipping.init( this.clippingPlanes, _localClippingEnabled, camera );\n\n\t\tcurrentRenderList = renderLists.get( scene, renderListStack.length );\n\t\tcurrentRenderList.init();\n\n\t\trenderListStack.push( currentRenderList );\n\n\t\tprojectObject( scene, camera, 0, _this.sortObjects );\n\n\t\tcurrentRenderList.finish();\n\n\t\tif ( _this.sortObjects === true ) {\n\n\t\t\tcurrentRenderList.sort( _opaqueSort, _transparentSort );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( _clippingEnabled === true ) clipping.beginShadows();\n\n\t\tconst shadowsArray = currentRenderState.state.shadowsArray;\n\n\t\tshadowMap.render( shadowsArray, scene, camera );\n\n\t\tif ( _clippingEnabled === true ) clipping.endShadows();\n\n\t\t//\n\n\t\tif ( this.info.autoReset === true ) this.info.reset();\n\n\t\t//\n\n\t\tbackground.render( currentRenderList, scene );\n\n\t\t// render scene\n\n\t\tcurrentRenderState.setupLights( _this.physicallyCorrectLights );\n\n\t\tif ( camera.isArrayCamera ) {\n\n\t\t\tconst cameras = camera.cameras;\n\n\t\t\tfor ( let i = 0, l = cameras.length; i < l; i ++ ) {\n\n\t\t\t\tconst camera2 = cameras[ i ];\n\n\t\t\t\trenderScene( currentRenderList, scene, camera2, camera2.viewport );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\trenderScene( currentRenderList, scene, camera );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( _currentRenderTarget !== null ) {\n\n\t\t\t// resolve multisample renderbuffers to a single-sample texture if necessary\n\n\t\t\ttextures.updateMultisampleRenderTarget( _currentRenderTarget );\n\n\t\t\t// Generate mipmap if we're using any kind of mipmap filtering\n\n\t\t\ttextures.updateRenderTargetMipmap( _currentRenderTarget );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( scene.isScene === true ) scene.onAfterRender( _this, scene, camera );\n\n\t\t// Ensure depth buffer writing is enabled so it can be cleared on next render\n\n\t\tstate.buffers.depth.setTest( true );\n\t\tstate.buffers.depth.setMask( true );\n\t\tstate.buffers.color.setMask( true );\n\n\t\tstate.setPolygonOffset( false );\n\n\t\t// _gl.finish();\n\n\t\tbindingStates.resetDefaultState();\n\t\t_currentMaterialId = - 1;\n\t\t_currentCamera = null;\n\n\t\trenderStateStack.pop();\n\n\t\tif ( renderStateStack.length > 0 ) {\n\n\t\t\tcurrentRenderState = renderStateStack[ renderStateStack.length - 1 ];\n\n\t\t} else {\n\n\t\t\tcurrentRenderState = null;\n\n\t\t}\n\n\t\trenderListStack.pop();\n\n\t\tif ( renderListStack.length > 0 ) {\n\n\t\t\tcurrentRenderList = renderListStack[ renderListStack.length - 1 ];\n\n\t\t} else {\n\n\t\t\tcurrentRenderList = null;\n\n\t\t}\n\n\t};\n\n\tfunction projectObject( object, camera, groupOrder, sortObjects ) {\n\n\t\tif ( object.visible === false ) return;\n\n\t\tconst visible = object.layers.test( camera.layers );\n\n\t\tif ( visible ) {\n\n\t\t\tif ( object.isGroup ) {\n\n\t\t\t\tgroupOrder = object.renderOrder;\n\n\t\t\t} else if ( object.isLOD ) {\n\n\t\t\t\tif ( object.autoUpdate === true ) object.update( camera );\n\n\t\t\t} else if ( object.isLight ) {\n\n\t\t\t\tcurrentRenderState.pushLight( object );\n\n\t\t\t\tif ( object.castShadow ) {\n\n\t\t\t\t\tcurrentRenderState.pushShadow( object );\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isSprite ) {\n\n\t\t\t\tif ( ! object.frustumCulled || _frustum.intersectsSprite( object ) ) {\n\n\t\t\t\t\tif ( sortObjects ) {\n\n\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld )\n\t\t\t\t\t\t\t.applyMatrix4( _projScreenMatrix );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst geometry = objects.update( object );\n\t\t\t\t\tconst material = object.material;\n\n\t\t\t\t\tif ( material.visible ) {\n\n\t\t\t\t\t\tcurrentRenderList.push( object, geometry, material, groupOrder, _vector3.z, null );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isMesh || object.isLine || object.isPoints ) {\n\n\t\t\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\t\t\t// update skeleton only once in a frame\n\n\t\t\t\t\tif ( object.skeleton.frame !== info.render.frame ) {\n\n\t\t\t\t\t\tobject.skeleton.update();\n\t\t\t\t\t\tobject.skeleton.frame = info.render.frame;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) {\n\n\t\t\t\t\tif ( sortObjects ) {\n\n\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld )\n\t\t\t\t\t\t\t.applyMatrix4( _projScreenMatrix );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst geometry = objects.update( object );\n\t\t\t\t\tconst material = object.material;\n\n\t\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\t\tconst groups = geometry.groups;\n\n\t\t\t\t\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\t\tif ( groupMaterial && groupMaterial.visible ) {\n\n\t\t\t\t\t\t\t\tcurrentRenderList.push( object, geometry, groupMaterial, groupOrder, _vector3.z, group );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else if ( material.visible ) {\n\n\t\t\t\t\t\tcurrentRenderList.push( object, geometry, material, groupOrder, _vector3.z, null );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tprojectObject( children[ i ], camera, groupOrder, sortObjects );\n\n\t\t}\n\n\t}\n\n\tfunction renderScene( currentRenderList, scene, camera, viewport ) {\n\n\t\tconst opaqueObjects = currentRenderList.opaque;\n\t\tconst transmissiveObjects = currentRenderList.transmissive;\n\t\tconst transparentObjects = currentRenderList.transparent;\n\n\t\tcurrentRenderState.setupLightsView( camera );\n\n\t\tif ( transmissiveObjects.length > 0 ) renderTransmissionPass( opaqueObjects, scene, camera );\n\n\t\tif ( viewport ) state.viewport( _currentViewport.copy( viewport ) );\n\n\t\tif ( opaqueObjects.length > 0 ) renderObjects( opaqueObjects, scene, camera );\n\t\tif ( transmissiveObjects.length > 0 ) renderObjects( transmissiveObjects, scene, camera );\n\t\tif ( transparentObjects.length > 0 ) renderObjects( transparentObjects, scene, camera );\n\n\t}\n\n\tfunction renderTransmissionPass( opaqueObjects, scene, camera ) {\n\n\t\tif ( _transmissionRenderTarget === null ) {\n\n\t\t\tconst needsAntialias = _antialias === true && capabilities.isWebGL2 === true;\n\t\t\tconst renderTargetType = needsAntialias ? WebGLMultisampleRenderTarget : WebGLRenderTarget;\n\n\t\t\t_transmissionRenderTarget = new renderTargetType( 1024, 1024, {\n\t\t\t\tgenerateMipmaps: true,\n\t\t\t\ttype: utils.convert( HalfFloatType ) !== null ? HalfFloatType : UnsignedByteType,\n\t\t\t\tminFilter: LinearMipmapLinearFilter,\n\t\t\t\tmagFilter: NearestFilter,\n\t\t\t\twrapS: ClampToEdgeWrapping,\n\t\t\t\twrapT: ClampToEdgeWrapping,\n\t\t\t\tuseRenderToTexture: extensions.has( 'WEBGL_multisampled_render_to_texture' )\n\t\t\t} );\n\n\t\t}\n\n\t\tconst currentRenderTarget = _this.getRenderTarget();\n\t\t_this.setRenderTarget( _transmissionRenderTarget );\n\t\t_this.clear();\n\n\t\t// Turn off the features which can affect the frag color for opaque objects pass.\n\t\t// Otherwise they are applied twice in opaque objects pass and transmission objects pass.\n\t\tconst currentToneMapping = _this.toneMapping;\n\t\t_this.toneMapping = NoToneMapping;\n\n\t\trenderObjects( opaqueObjects, scene, camera );\n\n\t\t_this.toneMapping = currentToneMapping;\n\n\t\ttextures.updateMultisampleRenderTarget( _transmissionRenderTarget );\n\t\ttextures.updateRenderTargetMipmap( _transmissionRenderTarget );\n\n\t\t_this.setRenderTarget( currentRenderTarget );\n\n\t}\n\n\tfunction renderObjects( renderList, scene, camera ) {\n\n\t\tconst overrideMaterial = scene.isScene === true ? scene.overrideMaterial : null;\n\n\t\tfor ( let i = 0, l = renderList.length; i < l; i ++ ) {\n\n\t\t\tconst renderItem = renderList[ i ];\n\n\t\t\tconst object = renderItem.object;\n\t\t\tconst geometry = renderItem.geometry;\n\t\t\tconst material = overrideMaterial === null ? renderItem.material : overrideMaterial;\n\t\t\tconst group = renderItem.group;\n\n\t\t\tif ( object.layers.test( camera.layers ) ) {\n\n\t\t\t\trenderObject( object, scene, camera, geometry, material, group );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction renderObject( object, scene, camera, geometry, material, group ) {\n\n\t\tobject.onBeforeRender( _this, scene, camera, geometry, material, group );\n\n\t\tobject.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld );\n\t\tobject.normalMatrix.getNormalMatrix( object.modelViewMatrix );\n\n\t\tmaterial.onBeforeRender( _this, scene, camera, geometry, object, group );\n\n\t\tif ( material.transparent === true && material.side === DoubleSide ) {\n\n\t\t\tmaterial.side = BackSide;\n\t\t\tmaterial.needsUpdate = true;\n\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t\tmaterial.side = FrontSide;\n\t\t\tmaterial.needsUpdate = true;\n\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t\tmaterial.side = DoubleSide;\n\n\t\t} else {\n\n\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t}\n\n\t\tobject.onAfterRender( _this, scene, camera, geometry, material, group );\n\n\t}\n\n\tfunction getProgram( material, scene, object ) {\n\n\t\tif ( scene.isScene !== true ) scene = _emptyScene; // scene could be a Mesh, Line, Points, ...\n\n\t\tconst materialProperties = properties.get( material );\n\n\t\tconst lights = currentRenderState.state.lights;\n\t\tconst shadowsArray = currentRenderState.state.shadowsArray;\n\n\t\tconst lightsStateVersion = lights.state.version;\n\n\t\tconst parameters = programCache.getParameters( material, lights.state, shadowsArray, scene, object );\n\t\tconst programCacheKey = programCache.getProgramCacheKey( parameters );\n\n\t\tlet programs = materialProperties.programs;\n\n\t\t// always update environment and fog - changing these trigger an getProgram call, but it's possible that the program doesn't change\n\n\t\tmaterialProperties.environment = material.isMeshStandardMaterial ? scene.environment : null;\n\t\tmaterialProperties.fog = scene.fog;\n\t\tmaterialProperties.envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || materialProperties.environment );\n\n\t\tif ( programs === undefined ) {\n\n\t\t\t// new material\n\n\t\t\tmaterial.addEventListener( 'dispose', onMaterialDispose );\n\n\t\t\tprograms = new Map();\n\t\t\tmaterialProperties.programs = programs;\n\n\t\t}\n\n\t\tlet program = programs.get( programCacheKey );\n\n\t\tif ( program !== undefined ) {\n\n\t\t\t// early out if program and light state is identical\n\n\t\t\tif ( materialProperties.currentProgram === program && materialProperties.lightsStateVersion === lightsStateVersion ) {\n\n\t\t\t\tupdateCommonMaterialProperties( material, parameters );\n\n\t\t\t\treturn program;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tparameters.uniforms = programCache.getUniforms( material );\n\n\t\t\tmaterial.onBuild( object, parameters, _this );\n\n\t\t\tmaterial.onBeforeCompile( parameters, _this );\n\n\t\t\tprogram = programCache.acquireProgram( parameters, programCacheKey );\n\t\t\tprograms.set( programCacheKey, program );\n\n\t\t\tmaterialProperties.uniforms = parameters.uniforms;\n\n\t\t}\n\n\t\tconst uniforms = materialProperties.uniforms;\n\n\t\tif ( ( ! material.isShaderMaterial && ! material.isRawShaderMaterial ) || material.clipping === true ) {\n\n\t\t\tuniforms.clippingPlanes = clipping.uniform;\n\n\t\t}\n\n\t\tupdateCommonMaterialProperties( material, parameters );\n\n\t\t// store the light setup it was created for\n\n\t\tmaterialProperties.needsLights = materialNeedsLights( material );\n\t\tmaterialProperties.lightsStateVersion = lightsStateVersion;\n\n\t\tif ( materialProperties.needsLights ) {\n\n\t\t\t// wire up the material to this renderer's lighting state\n\n\t\t\tuniforms.ambientLightColor.value = lights.state.ambient;\n\t\t\tuniforms.lightProbe.value = lights.state.probe;\n\t\t\tuniforms.directionalLights.value = lights.state.directional;\n\t\t\tuniforms.directionalLightShadows.value = lights.state.directionalShadow;\n\t\t\tuniforms.spotLights.value = lights.state.spot;\n\t\t\tuniforms.spotLightShadows.value = lights.state.spotShadow;\n\t\t\tuniforms.rectAreaLights.value = lights.state.rectArea;\n\t\t\tuniforms.ltc_1.value = lights.state.rectAreaLTC1;\n\t\t\tuniforms.ltc_2.value = lights.state.rectAreaLTC2;\n\t\t\tuniforms.pointLights.value = lights.state.point;\n\t\t\tuniforms.pointLightShadows.value = lights.state.pointShadow;\n\t\t\tuniforms.hemisphereLights.value = lights.state.hemi;\n\n\t\t\tuniforms.directionalShadowMap.value = lights.state.directionalShadowMap;\n\t\t\tuniforms.directionalShadowMatrix.value = lights.state.directionalShadowMatrix;\n\t\t\tuniforms.spotShadowMap.value = lights.state.spotShadowMap;\n\t\t\tuniforms.spotShadowMatrix.value = lights.state.spotShadowMatrix;\n\t\t\tuniforms.pointShadowMap.value = lights.state.pointShadowMap;\n\t\t\tuniforms.pointShadowMatrix.value = lights.state.pointShadowMatrix;\n\t\t\t// TODO (abelnation): add area lights shadow info to uniforms\n\n\t\t}\n\n\t\tconst progUniforms = program.getUniforms();\n\t\tconst uniformsList = WebGLUniforms.seqWithValue( progUniforms.seq, uniforms );\n\n\t\tmaterialProperties.currentProgram = program;\n\t\tmaterialProperties.uniformsList = uniformsList;\n\n\t\treturn program;\n\n\t}\n\n\tfunction updateCommonMaterialProperties( material, parameters ) {\n\n\t\tconst materialProperties = properties.get( material );\n\n\t\tmaterialProperties.outputEncoding = parameters.outputEncoding;\n\t\tmaterialProperties.instancing = parameters.instancing;\n\t\tmaterialProperties.skinning = parameters.skinning;\n\t\tmaterialProperties.morphTargets = parameters.morphTargets;\n\t\tmaterialProperties.morphNormals = parameters.morphNormals;\n\t\tmaterialProperties.morphTargetsCount = parameters.morphTargetsCount;\n\t\tmaterialProperties.numClippingPlanes = parameters.numClippingPlanes;\n\t\tmaterialProperties.numIntersection = parameters.numClipIntersection;\n\t\tmaterialProperties.vertexAlphas = parameters.vertexAlphas;\n\t\tmaterialProperties.vertexTangents = parameters.vertexTangents;\n\n\t}\n\n\tfunction setProgram( camera, scene, geometry, material, object ) {\n\n\t\tif ( scene.isScene !== true ) scene = _emptyScene; // scene could be a Mesh, Line, Points, ...\n\n\t\ttextures.resetTextureUnits();\n\n\t\tconst fog = scene.fog;\n\t\tconst environment = material.isMeshStandardMaterial ? scene.environment : null;\n\t\tconst encoding = ( _currentRenderTarget === null ) ? _this.outputEncoding : _currentRenderTarget.texture.encoding;\n\t\tconst envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || environment );\n\t\tconst vertexAlphas = material.vertexColors === true && !! geometry.attributes.color && geometry.attributes.color.itemSize === 4;\n\t\tconst vertexTangents = !! material.normalMap && !! geometry.attributes.tangent;\n\t\tconst morphTargets = !! geometry.morphAttributes.position;\n\t\tconst morphNormals = !! geometry.morphAttributes.normal;\n\t\tconst morphTargetsCount = !! geometry.morphAttributes.position ? geometry.morphAttributes.position.length : 0;\n\n\t\tconst materialProperties = properties.get( material );\n\t\tconst lights = currentRenderState.state.lights;\n\n\t\tif ( _clippingEnabled === true ) {\n\n\t\t\tif ( _localClippingEnabled === true || camera !== _currentCamera ) {\n\n\t\t\t\tconst useCache =\n\t\t\t\t\tcamera === _currentCamera &&\n\t\t\t\t\tmaterial.id === _currentMaterialId;\n\n\t\t\t\t// we might want to call this function with some ClippingGroup\n\t\t\t\t// object instead of the material, once it becomes feasible\n\t\t\t\t// (#8465, #8379)\n\t\t\t\tclipping.setState( material, camera, useCache );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tlet needsProgramChange = false;\n\n\t\tif ( material.version === materialProperties.__version ) {\n\n\t\t\tif ( materialProperties.needsLights && ( materialProperties.lightsStateVersion !== lights.state.version ) ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.outputEncoding !== encoding ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( object.isInstancedMesh && materialProperties.instancing === false ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( ! object.isInstancedMesh && materialProperties.instancing === true ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( object.isSkinnedMesh && materialProperties.skinning === false ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( ! object.isSkinnedMesh && materialProperties.skinning === true ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.envMap !== envMap ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( material.fog && materialProperties.fog !== fog ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.numClippingPlanes !== undefined &&\n\t\t\t\t( materialProperties.numClippingPlanes !== clipping.numPlanes ||\n\t\t\t\tmaterialProperties.numIntersection !== clipping.numIntersection ) ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.vertexAlphas !== vertexAlphas ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.vertexTangents !== vertexTangents ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.morphTargets !== morphTargets ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.morphNormals !== morphNormals ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( capabilities.isWebGL2 === true && materialProperties.morphTargetsCount !== morphTargetsCount ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tneedsProgramChange = true;\n\t\t\tmaterialProperties.__version = material.version;\n\n\t\t}\n\n\t\t//\n\n\t\tlet program = materialProperties.currentProgram;\n\n\t\tif ( needsProgramChange === true ) {\n\n\t\t\tprogram = getProgram( material, scene, object );\n\n\t\t}\n\n\t\tlet refreshProgram = false;\n\t\tlet refreshMaterial = false;\n\t\tlet refreshLights = false;\n\n\t\tconst p_uniforms = program.getUniforms(),\n\t\t\tm_uniforms = materialProperties.uniforms;\n\n\t\tif ( state.useProgram( program.program ) ) {\n\n\t\t\trefreshProgram = true;\n\t\t\trefreshMaterial = true;\n\t\t\trefreshLights = true;\n\n\t\t}\n\n\t\tif ( material.id !== _currentMaterialId ) {\n\n\t\t\t_currentMaterialId = material.id;\n\n\t\t\trefreshMaterial = true;\n\n\t\t}\n\n\t\tif ( refreshProgram || _currentCamera !== camera ) {\n\n\t\t\tp_uniforms.setValue( _gl, 'projectionMatrix', camera.projectionMatrix );\n\n\t\t\tif ( capabilities.logarithmicDepthBuffer ) {\n\n\t\t\t\tp_uniforms.setValue( _gl, 'logDepthBufFC',\n\t\t\t\t\t2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) );\n\n\t\t\t}\n\n\t\t\tif ( _currentCamera !== camera ) {\n\n\t\t\t\t_currentCamera = camera;\n\n\t\t\t\t// lighting uniforms depend on the camera so enforce an update\n\t\t\t\t// now, in case this material supports lights - or later, when\n\t\t\t\t// the next material that does gets activated:\n\n\t\t\t\trefreshMaterial = true;\t\t// set to true on material change\n\t\t\t\trefreshLights = true;\t\t// remains set until update done\n\n\t\t\t}\n\n\t\t\t// load material specific uniforms\n\t\t\t// (shader material also gets them for the sake of genericity)\n\n\t\t\tif ( material.isShaderMaterial ||\n\t\t\t\tmaterial.isMeshPhongMaterial ||\n\t\t\t\tmaterial.isMeshToonMaterial ||\n\t\t\t\tmaterial.isMeshStandardMaterial ||\n\t\t\t\tmaterial.envMap ) {\n\n\t\t\t\tconst uCamPos = p_uniforms.map.cameraPosition;\n\n\t\t\t\tif ( uCamPos !== undefined ) {\n\n\t\t\t\t\tuCamPos.setValue( _gl,\n\t\t\t\t\t\t_vector3.setFromMatrixPosition( camera.matrixWorld ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.isMeshPhongMaterial ||\n\t\t\t\tmaterial.isMeshToonMaterial ||\n\t\t\t\tmaterial.isMeshLambertMaterial ||\n\t\t\t\tmaterial.isMeshBasicMaterial ||\n\t\t\t\tmaterial.isMeshStandardMaterial ||\n\t\t\t\tmaterial.isShaderMaterial ) {\n\n\t\t\t\tp_uniforms.setValue( _gl, 'isOrthographic', camera.isOrthographicCamera === true );\n\n\t\t\t}\n\n\t\t\tif ( material.isMeshPhongMaterial ||\n\t\t\t\tmaterial.isMeshToonMaterial ||\n\t\t\t\tmaterial.isMeshLambertMaterial ||\n\t\t\t\tmaterial.isMeshBasicMaterial ||\n\t\t\t\tmaterial.isMeshStandardMaterial ||\n\t\t\t\tmaterial.isShaderMaterial ||\n\t\t\t\tmaterial.isShadowMaterial ||\n\t\t\t\tobject.isSkinnedMesh ) {\n\n\t\t\t\tp_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// skinning and morph target uniforms must be set even if material didn't change\n\t\t// auto-setting of texture unit for bone and morph texture must go before other textures\n\t\t// otherwise textures used for skinning and morphing can take over texture units reserved for other material textures\n\n\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrix' );\n\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrixInverse' );\n\n\t\t\tconst skeleton = object.skeleton;\n\n\t\t\tif ( skeleton ) {\n\n\t\t\t\tif ( capabilities.floatVertexTextures ) {\n\n\t\t\t\t\tif ( skeleton.boneTexture === null ) skeleton.computeBoneTexture();\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'boneTexture', skeleton.boneTexture, textures );\n\t\t\t\t\tp_uniforms.setValue( _gl, 'boneTextureSize', skeleton.boneTextureSize );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tp_uniforms.setOptional( _gl, skeleton, 'boneMatrices' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( !! geometry && ( geometry.morphAttributes.position !== undefined || geometry.morphAttributes.normal !== undefined ) ) {\n\n\t\t\tmorphtargets.update( object, geometry, material, program );\n\n\t\t}\n\n\n\t\tif ( refreshMaterial || materialProperties.receiveShadow !== object.receiveShadow ) {\n\n\t\t\tmaterialProperties.receiveShadow = object.receiveShadow;\n\t\t\tp_uniforms.setValue( _gl, 'receiveShadow', object.receiveShadow );\n\n\t\t}\n\n\t\tif ( refreshMaterial ) {\n\n\t\t\tp_uniforms.setValue( _gl, 'toneMappingExposure', _this.toneMappingExposure );\n\n\t\t\tif ( materialProperties.needsLights ) {\n\n\t\t\t\t// the current material requires lighting info\n\n\t\t\t\t// note: all lighting uniforms are always set correctly\n\t\t\t\t// they simply reference the renderer's state for their\n\t\t\t\t// values\n\t\t\t\t//\n\t\t\t\t// use the current material's .needsUpdate flags to set\n\t\t\t\t// the GL state when required\n\n\t\t\t\tmarkUniformsLightsNeedsUpdate( m_uniforms, refreshLights );\n\n\t\t\t}\n\n\t\t\t// refresh uniforms common to several materials\n\n\t\t\tif ( fog && material.fog ) {\n\n\t\t\t\tmaterials.refreshFogUniforms( m_uniforms, fog );\n\n\t\t\t}\n\n\t\t\tmaterials.refreshMaterialUniforms( m_uniforms, material, _pixelRatio, _height, _transmissionRenderTarget );\n\n\t\t\tWebGLUniforms.upload( _gl, materialProperties.uniformsList, m_uniforms, textures );\n\n\t\t}\n\n\t\tif ( material.isShaderMaterial && material.uniformsNeedUpdate === true ) {\n\n\t\t\tWebGLUniforms.upload( _gl, materialProperties.uniformsList, m_uniforms, textures );\n\t\t\tmaterial.uniformsNeedUpdate = false;\n\n\t\t}\n\n\t\tif ( material.isSpriteMaterial ) {\n\n\t\t\tp_uniforms.setValue( _gl, 'center', object.center );\n\n\t\t}\n\n\t\t// common matrices\n\n\t\tp_uniforms.setValue( _gl, 'modelViewMatrix', object.modelViewMatrix );\n\t\tp_uniforms.setValue( _gl, 'normalMatrix', object.normalMatrix );\n\t\tp_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld );\n\n\t\treturn program;\n\n\t}\n\n\t// If uniforms are marked as clean, they don't need to be loaded to the GPU.\n\n\tfunction markUniformsLightsNeedsUpdate( uniforms, value ) {\n\n\t\tuniforms.ambientLightColor.needsUpdate = value;\n\t\tuniforms.lightProbe.needsUpdate = value;\n\n\t\tuniforms.directionalLights.needsUpdate = value;\n\t\tuniforms.directionalLightShadows.needsUpdate = value;\n\t\tuniforms.pointLights.needsUpdate = value;\n\t\tuniforms.pointLightShadows.needsUpdate = value;\n\t\tuniforms.spotLights.needsUpdate = value;\n\t\tuniforms.spotLightShadows.needsUpdate = value;\n\t\tuniforms.rectAreaLights.needsUpdate = value;\n\t\tuniforms.hemisphereLights.needsUpdate = value;\n\n\t}\n\n\tfunction materialNeedsLights( material ) {\n\n\t\treturn material.isMeshLambertMaterial || material.isMeshToonMaterial || material.isMeshPhongMaterial ||\n\t\t\tmaterial.isMeshStandardMaterial || material.isShadowMaterial ||\n\t\t\t( material.isShaderMaterial && material.lights === true );\n\n\t}\n\n\tthis.getActiveCubeFace = function () {\n\n\t\treturn _currentActiveCubeFace;\n\n\t};\n\n\tthis.getActiveMipmapLevel = function () {\n\n\t\treturn _currentActiveMipmapLevel;\n\n\t};\n\n\tthis.getRenderTarget = function () {\n\n\t\treturn _currentRenderTarget;\n\n\t};\n\n\tthis.setRenderTargetTextures = function ( renderTarget, colorTexture, depthTexture ) {\n\n\t\tproperties.get( renderTarget.texture ).__webglTexture = colorTexture;\n\t\tproperties.get( renderTarget.depthTexture ).__webglTexture = depthTexture;\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\trenderTargetProperties.__hasExternalTextures = true;\n\n\t\tif ( renderTargetProperties.__hasExternalTextures ) {\n\n\t\t\trenderTargetProperties.__autoAllocateDepthBuffer = depthTexture === undefined;\n\n\t\t\tif ( ! renderTargetProperties.__autoAllocateDepthBuffer ) {\n\n\t\t\t\t// The multisample_render_to_texture extension doesn't work properly if there\n\t\t\t\t// are midframe flushes and an external depth buffer. Disable use of the extension.\n\t\t\t\tif ( renderTarget.useRenderToTexture ) {\n\n\t\t\t\t\tconsole.warn( 'render-to-texture extension was disabled because an external texture was provided' );\n\t\t\t\t\trenderTarget.useRenderToTexture = false;\n\t\t\t\t\trenderTarget.useRenderbuffer = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tthis.setRenderTargetFramebuffer = function ( renderTarget, defaultFramebuffer ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\trenderTargetProperties.__webglFramebuffer = defaultFramebuffer;\n\t\trenderTargetProperties.__useDefaultFramebuffer = defaultFramebuffer === undefined;\n\n\t};\n\n\tthis.setRenderTarget = function ( renderTarget, activeCubeFace = 0, activeMipmapLevel = 0 ) {\n\n\t\t_currentRenderTarget = renderTarget;\n\t\t_currentActiveCubeFace = activeCubeFace;\n\t\t_currentActiveMipmapLevel = activeMipmapLevel;\n\t\tlet useDefaultFramebuffer = true;\n\n\t\tif ( renderTarget ) {\n\n\t\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\t\tif ( renderTargetProperties.__useDefaultFramebuffer !== undefined ) {\n\n\t\t\t\t// We need to make sure to rebind the framebuffer.\n\t\t\t\tstate.bindFramebuffer( 36160, null );\n\t\t\t\tuseDefaultFramebuffer = false;\n\n\t\t\t} else if ( renderTargetProperties.__webglFramebuffer === undefined ) {\n\n\t\t\t\ttextures.setupRenderTarget( renderTarget );\n\n\t\t\t} else if ( renderTargetProperties.__hasExternalTextures ) {\n\n\t\t\t\t// Color and depth texture must be rebound in order for the swapchain to update.\n\t\t\t\ttextures.rebindTextures( renderTarget, properties.get( renderTarget.texture ).__webglTexture, properties.get( renderTarget.depthTexture ).__webglTexture );\n\n\t\t\t}\n\n\t\t}\n\n\t\tlet framebuffer = null;\n\t\tlet isCube = false;\n\t\tlet isRenderTarget3D = false;\n\n\t\tif ( renderTarget ) {\n\n\t\t\tconst texture = renderTarget.texture;\n\n\t\t\tif ( texture.isDataTexture3D || texture.isDataTexture2DArray ) {\n\n\t\t\t\tisRenderTarget3D = true;\n\n\t\t\t}\n\n\t\t\tconst __webglFramebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\t\tif ( renderTarget.isWebGLCubeRenderTarget ) {\n\n\t\t\t\tframebuffer = __webglFramebuffer[ activeCubeFace ];\n\t\t\t\tisCube = true;\n\n\t\t\t} else if ( renderTarget.useRenderbuffer ) {\n\n\t\t\t\tframebuffer = properties.get( renderTarget ).__webglMultisampledFramebuffer;\n\n\t\t\t} else {\n\n\t\t\t\tframebuffer = __webglFramebuffer;\n\n\t\t\t}\n\n\t\t\t_currentViewport.copy( renderTarget.viewport );\n\t\t\t_currentScissor.copy( renderTarget.scissor );\n\t\t\t_currentScissorTest = renderTarget.scissorTest;\n\n\t\t} else {\n\n\t\t\t_currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).floor();\n\t\t\t_currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).floor();\n\t\t\t_currentScissorTest = _scissorTest;\n\n\t\t}\n\n\t\tconst framebufferBound = state.bindFramebuffer( 36160, framebuffer );\n\n\t\tif ( framebufferBound && capabilities.drawBuffers && useDefaultFramebuffer ) {\n\n\t\t\tlet needsUpdate = false;\n\n\t\t\tif ( renderTarget ) {\n\n\t\t\t\tif ( renderTarget.isWebGLMultipleRenderTargets ) {\n\n\t\t\t\t\tconst textures = renderTarget.texture;\n\n\t\t\t\t\tif ( _currentDrawBuffers.length !== textures.length || _currentDrawBuffers[ 0 ] !== 36064 ) {\n\n\t\t\t\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\t_currentDrawBuffers[ i ] = 36064 + i;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t_currentDrawBuffers.length = textures.length;\n\n\t\t\t\t\t\tneedsUpdate = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( _currentDrawBuffers.length !== 1 || _currentDrawBuffers[ 0 ] !== 36064 ) {\n\n\t\t\t\t\t\t_currentDrawBuffers[ 0 ] = 36064;\n\t\t\t\t\t\t_currentDrawBuffers.length = 1;\n\n\t\t\t\t\t\tneedsUpdate = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( _currentDrawBuffers.length !== 1 || _currentDrawBuffers[ 0 ] !== 1029 ) {\n\n\t\t\t\t\t_currentDrawBuffers[ 0 ] = 1029;\n\t\t\t\t\t_currentDrawBuffers.length = 1;\n\n\t\t\t\t\tneedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( needsUpdate ) {\n\n\t\t\t\tif ( capabilities.isWebGL2 ) {\n\n\t\t\t\t\t_gl.drawBuffers( _currentDrawBuffers );\n\n\t\t\t\t} else {\n\n\t\t\t\t\textensions.get( 'WEBGL_draw_buffers' ).drawBuffersWEBGL( _currentDrawBuffers );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.viewport( _currentViewport );\n\t\tstate.scissor( _currentScissor );\n\t\tstate.setScissorTest( _currentScissorTest );\n\n\t\tif ( isCube ) {\n\n\t\t\tconst textureProperties = properties.get( renderTarget.texture );\n\t\t\t_gl.framebufferTexture2D( 36160, 36064, 34069 + activeCubeFace, textureProperties.__webglTexture, activeMipmapLevel );\n\n\t\t} else if ( isRenderTarget3D ) {\n\n\t\t\tconst textureProperties = properties.get( renderTarget.texture );\n\t\t\tconst layer = activeCubeFace || 0;\n\t\t\t_gl.framebufferTextureLayer( 36160, 36064, textureProperties.__webglTexture, activeMipmapLevel || 0, layer );\n\n\t\t}\n\n\t\t_currentMaterialId = - 1; // reset current material to ensure correct uniform bindings\n\n\t};\n\n\tthis.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer, activeCubeFaceIndex ) {\n\n\t\tif ( ! ( renderTarget && renderTarget.isWebGLRenderTarget ) ) {\n\n\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tlet framebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\tif ( renderTarget.isWebGLCubeRenderTarget && activeCubeFaceIndex !== undefined ) {\n\n\t\t\tframebuffer = framebuffer[ activeCubeFaceIndex ];\n\n\t\t}\n\n\t\tif ( framebuffer ) {\n\n\t\t\tstate.bindFramebuffer( 36160, framebuffer );\n\n\t\t\ttry {\n\n\t\t\t\tconst texture = renderTarget.texture;\n\t\t\t\tconst textureFormat = texture.format;\n\t\t\t\tconst textureType = texture.type;\n\n\t\t\t\tif ( textureFormat !== RGBAFormat && utils.convert( textureFormat ) !== _gl.getParameter( 35739 ) ) {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tconst halfFloatSupportedByExt = ( textureType === HalfFloatType ) && ( extensions.has( 'EXT_color_buffer_half_float' ) || ( capabilities.isWebGL2 && extensions.has( 'EXT_color_buffer_float' ) ) );\n\n\t\t\t\tif ( textureType !== UnsignedByteType && utils.convert( textureType ) !== _gl.getParameter( 35738 ) && // Edge and Chrome Mac < 52 (#9513)\n\t\t\t\t\t! ( textureType === FloatType && ( capabilities.isWebGL2 || extensions.has( 'OES_texture_float' ) || extensions.has( 'WEBGL_color_buffer_float' ) ) ) && // Chrome Mac >= 52 and Firefox\n\t\t\t\t\t! halfFloatSupportedByExt ) {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tif ( _gl.checkFramebufferStatus( 36160 ) === 36053 ) {\n\n\t\t\t\t\t// the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604)\n\n\t\t\t\t\tif ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) {\n\n\t\t\t\t\t\t_gl.readPixels( x, y, width, height, utils.convert( textureFormat ), utils.convert( textureType ), buffer );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.' );\n\n\t\t\t\t}\n\n\t\t\t} finally {\n\n\t\t\t\t// restore framebuffer of current render target if necessary\n\n\t\t\t\tconst framebuffer = ( _currentRenderTarget !== null ) ? properties.get( _currentRenderTarget ).__webglFramebuffer : null;\n\t\t\t\tstate.bindFramebuffer( 36160, framebuffer );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tthis.copyFramebufferToTexture = function ( position, texture, level = 0 ) {\n\n\t\tconst levelScale = Math.pow( 2, - level );\n\t\tconst width = Math.floor( texture.image.width * levelScale );\n\t\tconst height = Math.floor( texture.image.height * levelScale );\n\n\t\tlet glFormat = utils.convert( texture.format );\n\n\t\tif ( capabilities.isWebGL2 ) {\n\n\t\t\t// Workaround for https://bugs.chromium.org/p/chromium/issues/detail?id=1120100\n\t\t\t// Not needed in Chrome 93+\n\n\t\t\tif ( glFormat === 6407 ) glFormat = 32849;\n\t\t\tif ( glFormat === 6408 ) glFormat = 32856;\n\n\t\t}\n\n\t\ttextures.setTexture2D( texture, 0 );\n\n\t\t_gl.copyTexImage2D( 3553, level, glFormat, position.x, position.y, width, height, 0 );\n\n\t\tstate.unbindTexture();\n\n\t};\n\n\tthis.copyTextureToTexture = function ( position, srcTexture, dstTexture, level = 0 ) {\n\n\t\tconst width = srcTexture.image.width;\n\t\tconst height = srcTexture.image.height;\n\t\tconst glFormat = utils.convert( dstTexture.format );\n\t\tconst glType = utils.convert( dstTexture.type );\n\n\t\ttextures.setTexture2D( dstTexture, 0 );\n\n\t\t// As another texture upload may have changed pixelStorei\n\t\t// parameters, make sure they are correct for the dstTexture\n\t\t_gl.pixelStorei( 37440, dstTexture.flipY );\n\t\t_gl.pixelStorei( 37441, dstTexture.premultiplyAlpha );\n\t\t_gl.pixelStorei( 3317, dstTexture.unpackAlignment );\n\n\t\tif ( srcTexture.isDataTexture ) {\n\n\t\t\t_gl.texSubImage2D( 3553, level, position.x, position.y, width, height, glFormat, glType, srcTexture.image.data );\n\n\t\t} else {\n\n\t\t\tif ( srcTexture.isCompressedTexture ) {\n\n\t\t\t\t_gl.compressedTexSubImage2D( 3553, level, position.x, position.y, srcTexture.mipmaps[ 0 ].width, srcTexture.mipmaps[ 0 ].height, glFormat, srcTexture.mipmaps[ 0 ].data );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.texSubImage2D( 3553, level, position.x, position.y, glFormat, glType, srcTexture.image );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Generate mipmaps only when copying level 0\n\t\tif ( level === 0 && dstTexture.generateMipmaps ) _gl.generateMipmap( 3553 );\n\n\t\tstate.unbindTexture();\n\n\t};\n\n\tthis.copyTextureToTexture3D = function ( sourceBox, position, srcTexture, dstTexture, level = 0 ) {\n\n\t\tif ( _this.isWebGL1Renderer ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst width = sourceBox.max.x - sourceBox.min.x + 1;\n\t\tconst height = sourceBox.max.y - sourceBox.min.y + 1;\n\t\tconst depth = sourceBox.max.z - sourceBox.min.z + 1;\n\t\tconst glFormat = utils.convert( dstTexture.format );\n\t\tconst glType = utils.convert( dstTexture.type );\n\t\tlet glTarget;\n\n\t\tif ( dstTexture.isDataTexture3D ) {\n\n\t\t\ttextures.setTexture3D( dstTexture, 0 );\n\t\t\tglTarget = 32879;\n\n\t\t} else if ( dstTexture.isDataTexture2DArray ) {\n\n\t\t\ttextures.setTexture2DArray( dstTexture, 0 );\n\t\t\tglTarget = 35866;\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\t_gl.pixelStorei( 37440, dstTexture.flipY );\n\t\t_gl.pixelStorei( 37441, dstTexture.premultiplyAlpha );\n\t\t_gl.pixelStorei( 3317, dstTexture.unpackAlignment );\n\n\t\tconst unpackRowLen = _gl.getParameter( 3314 );\n\t\tconst unpackImageHeight = _gl.getParameter( 32878 );\n\t\tconst unpackSkipPixels = _gl.getParameter( 3316 );\n\t\tconst unpackSkipRows = _gl.getParameter( 3315 );\n\t\tconst unpackSkipImages = _gl.getParameter( 32877 );\n\n\t\tconst image = srcTexture.isCompressedTexture ? srcTexture.mipmaps[ 0 ] : srcTexture.image;\n\n\t\t_gl.pixelStorei( 3314, image.width );\n\t\t_gl.pixelStorei( 32878, image.height );\n\t\t_gl.pixelStorei( 3316, sourceBox.min.x );\n\t\t_gl.pixelStorei( 3315, sourceBox.min.y );\n\t\t_gl.pixelStorei( 32877, sourceBox.min.z );\n\n\t\tif ( srcTexture.isDataTexture || srcTexture.isDataTexture3D ) {\n\n\t\t\t_gl.texSubImage3D( glTarget, level, position.x, position.y, position.z, width, height, depth, glFormat, glType, image.data );\n\n\t\t} else {\n\n\t\t\tif ( srcTexture.isCompressedTexture ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer.copyTextureToTexture3D: untested support for compressed srcTexture.' );\n\t\t\t\t_gl.compressedTexSubImage3D( glTarget, level, position.x, position.y, position.z, width, height, depth, glFormat, image.data );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.texSubImage3D( glTarget, level, position.x, position.y, position.z, width, height, depth, glFormat, glType, image );\n\n\t\t\t}\n\n\t\t}\n\n\t\t_gl.pixelStorei( 3314, unpackRowLen );\n\t\t_gl.pixelStorei( 32878, unpackImageHeight );\n\t\t_gl.pixelStorei( 3316, unpackSkipPixels );\n\t\t_gl.pixelStorei( 3315, unpackSkipRows );\n\t\t_gl.pixelStorei( 32877, unpackSkipImages );\n\n\t\t// Generate mipmaps only when copying level 0\n\t\tif ( level === 0 && dstTexture.generateMipmaps ) _gl.generateMipmap( glTarget );\n\n\t\tstate.unbindTexture();\n\n\t};\n\n\tthis.initTexture = function ( texture ) {\n\n\t\ttextures.setTexture2D( texture, 0 );\n\n\t\tstate.unbindTexture();\n\n\t};\n\n\tthis.resetState = function () {\n\n\t\t_currentActiveCubeFace = 0;\n\t\t_currentActiveMipmapLevel = 0;\n\t\t_currentRenderTarget = null;\n\n\t\tstate.reset();\n\t\tbindingStates.reset();\n\n\t};\n\n\tif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) ); // eslint-disable-line no-undef\n\n\t}\n\n}\n\nWebGLRenderer.prototype.isWebGLRenderer = true;\n\nclass WebGL1Renderer extends WebGLRenderer {}\n\nWebGL1Renderer.prototype.isWebGL1Renderer = true;\n\nclass FogExp2 {\n\n\tconstructor( color, density = 0.00025 ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\t\tthis.density = density;\n\n\t}\n\n\tclone() {\n\n\t\treturn new FogExp2( this.color, this.density );\n\n\t}\n\n\ttoJSON( /* meta */ ) {\n\n\t\treturn {\n\t\t\ttype: 'FogExp2',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tdensity: this.density\n\t\t};\n\n\t}\n\n}\n\nFogExp2.prototype.isFogExp2 = true;\n\nclass Fog {\n\n\tconstructor( color, near = 1, far = 1000 ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\n\t}\n\n\tclone() {\n\n\t\treturn new Fog( this.color, this.near, this.far );\n\n\t}\n\n\ttoJSON( /* meta */ ) {\n\n\t\treturn {\n\t\t\ttype: 'Fog',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tnear: this.near,\n\t\t\tfar: this.far\n\t\t};\n\n\t}\n\n}\n\nFog.prototype.isFog = true;\n\nclass Scene extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'Scene';\n\n\t\tthis.background = null;\n\t\tthis.environment = null;\n\t\tthis.fog = null;\n\n\t\tthis.overrideMaterial = null;\n\n\t\tthis.autoUpdate = true; // checked by the renderer\n\n\t\tif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t\t\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) ); // eslint-disable-line no-undef\n\n\t\t}\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tif ( source.background !== null ) this.background = source.background.clone();\n\t\tif ( source.environment !== null ) this.environment = source.environment.clone();\n\t\tif ( source.fog !== null ) this.fog = source.fog.clone();\n\n\t\tif ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone();\n\n\t\tthis.autoUpdate = source.autoUpdate;\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tif ( this.fog !== null ) data.object.fog = this.fog.toJSON();\n\n\t\treturn data;\n\n\t}\n\n}\n\nScene.prototype.isScene = true;\n\nclass InterleavedBuffer {\n\n\tconstructor( array, stride ) {\n\n\t\tthis.array = array;\n\t\tthis.stride = stride;\n\t\tthis.count = array !== undefined ? array.length / stride : 0;\n\n\t\tthis.usage = StaticDrawUsage;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t\tthis.uuid = generateUUID();\n\n\t}\n\n\tonUploadCallback() {}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tsetUsage( value ) {\n\n\t\tthis.usage = value;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.array = new source.array.constructor( source.array );\n\t\tthis.count = source.count;\n\t\tthis.stride = source.stride;\n\t\tthis.usage = source.usage;\n\n\t\treturn this;\n\n\t}\n\n\tcopyAt( index1, attribute, index2 ) {\n\n\t\tindex1 *= this.stride;\n\t\tindex2 *= attribute.stride;\n\n\t\tfor ( let i = 0, l = this.stride; i < l; i ++ ) {\n\n\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tset( value, offset = 0 ) {\n\n\t\tthis.array.set( value, offset );\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tif ( data.arrayBuffers === undefined ) {\n\n\t\t\tdata.arrayBuffers = {};\n\n\t\t}\n\n\t\tif ( this.array.buffer._uuid === undefined ) {\n\n\t\t\tthis.array.buffer._uuid = generateUUID();\n\n\t\t}\n\n\t\tif ( data.arrayBuffers[ this.array.buffer._uuid ] === undefined ) {\n\n\t\t\tdata.arrayBuffers[ this.array.buffer._uuid ] = this.array.slice( 0 ).buffer;\n\n\t\t}\n\n\t\tconst array = new this.array.constructor( data.arrayBuffers[ this.array.buffer._uuid ] );\n\n\t\tconst ib = new this.constructor( array, this.stride );\n\t\tib.setUsage( this.usage );\n\n\t\treturn ib;\n\n\t}\n\n\tonUpload( callback ) {\n\n\t\tthis.onUploadCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tif ( data.arrayBuffers === undefined ) {\n\n\t\t\tdata.arrayBuffers = {};\n\n\t\t}\n\n\t\t// generate UUID for array buffer if necessary\n\n\t\tif ( this.array.buffer._uuid === undefined ) {\n\n\t\t\tthis.array.buffer._uuid = generateUUID();\n\n\t\t}\n\n\t\tif ( data.arrayBuffers[ this.array.buffer._uuid ] === undefined ) {\n\n\t\t\tdata.arrayBuffers[ this.array.buffer._uuid ] = Array.prototype.slice.call( new Uint32Array( this.array.buffer ) );\n\n\t\t}\n\n\t\t//\n\n\t\treturn {\n\t\t\tuuid: this.uuid,\n\t\t\tbuffer: this.array.buffer._uuid,\n\t\t\ttype: this.array.constructor.name,\n\t\t\tstride: this.stride\n\t\t};\n\n\t}\n\n}\n\nInterleavedBuffer.prototype.isInterleavedBuffer = true;\n\nconst _vector$6 = /*@__PURE__*/ new Vector3();\n\nclass InterleavedBufferAttribute {\n\n\tconstructor( interleavedBuffer, itemSize, offset, normalized = false ) {\n\n\t\tthis.name = '';\n\n\t\tthis.data = interleavedBuffer;\n\t\tthis.itemSize = itemSize;\n\t\tthis.offset = offset;\n\n\t\tthis.normalized = normalized === true;\n\n\t}\n\n\tget count() {\n\n\t\treturn this.data.count;\n\n\t}\n\n\tget array() {\n\n\t\treturn this.data.array;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tthis.data.needsUpdate = value;\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tfor ( let i = 0, l = this.data.count; i < l; i ++ ) {\n\n\t\t\t_vector$6.x = this.getX( i );\n\t\t\t_vector$6.y = this.getY( i );\n\t\t\t_vector$6.z = this.getZ( i );\n\n\t\t\t_vector$6.applyMatrix4( m );\n\n\t\t\tthis.setXYZ( i, _vector$6.x, _vector$6.y, _vector$6.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyNormalMatrix( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$6.x = this.getX( i );\n\t\t\t_vector$6.y = this.getY( i );\n\t\t\t_vector$6.z = this.getZ( i );\n\n\t\t\t_vector$6.applyNormalMatrix( m );\n\n\t\t\tthis.setXYZ( i, _vector$6.x, _vector$6.y, _vector$6.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttransformDirection( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$6.x = this.getX( i );\n\t\t\t_vector$6.y = this.getY( i );\n\t\t\t_vector$6.z = this.getZ( i );\n\n\t\t\t_vector$6.transformDirection( m );\n\n\t\t\tthis.setXYZ( i, _vector$6.x, _vector$6.y, _vector$6.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetX( index, x ) {\n\n\t\tthis.data.array[ index * this.data.stride + this.offset ] = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( index, y ) {\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetZ( index, z ) {\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetW( index, w ) {\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tgetX( index ) {\n\n\t\treturn this.data.array[ index * this.data.stride + this.offset ];\n\n\t}\n\n\tgetY( index ) {\n\n\t\treturn this.data.array[ index * this.data.stride + this.offset + 1 ];\n\n\t}\n\n\tgetZ( index ) {\n\n\t\treturn this.data.array[ index * this.data.stride + this.offset + 2 ];\n\n\t}\n\n\tgetW( index ) {\n\n\t\treturn this.data.array[ index * this.data.stride + this.offset + 3 ];\n\n\t}\n\n\tsetXY( index, x, y ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZ( index, x, y, z ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\t\tthis.data.array[ index + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZW( index, x, y, z, w ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\t\tthis.data.array[ index + 2 ] = z;\n\t\tthis.data.array[ index + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tif ( data === undefined ) {\n\n\t\t\tconsole.log( 'THREE.InterleavedBufferAttribute.clone(): Cloning an interlaved buffer attribute will deinterleave buffer data.' );\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0; i < this.count; i ++ ) {\n\n\t\t\t\tconst index = i * this.data.stride + this.offset;\n\n\t\t\t\tfor ( let j = 0; j < this.itemSize; j ++ ) {\n\n\t\t\t\t\tarray.push( this.data.array[ index + j ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn new BufferAttribute( new this.array.constructor( array ), this.itemSize, this.normalized );\n\n\t\t} else {\n\n\t\t\tif ( data.interleavedBuffers === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers = {};\n\n\t\t\t}\n\n\t\t\tif ( data.interleavedBuffers[ this.data.uuid ] === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers[ this.data.uuid ] = this.data.clone( data );\n\n\t\t\t}\n\n\t\t\treturn new InterleavedBufferAttribute( data.interleavedBuffers[ this.data.uuid ], this.itemSize, this.offset, this.normalized );\n\n\t\t}\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tif ( data === undefined ) {\n\n\t\t\tconsole.log( 'THREE.InterleavedBufferAttribute.toJSON(): Serializing an interlaved buffer attribute will deinterleave buffer data.' );\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0; i < this.count; i ++ ) {\n\n\t\t\t\tconst index = i * this.data.stride + this.offset;\n\n\t\t\t\tfor ( let j = 0; j < this.itemSize; j ++ ) {\n\n\t\t\t\t\tarray.push( this.data.array[ index + j ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// deinterleave data and save it as an ordinary buffer attribute for now\n\n\t\t\treturn {\n\t\t\t\titemSize: this.itemSize,\n\t\t\t\ttype: this.array.constructor.name,\n\t\t\t\tarray: array,\n\t\t\t\tnormalized: this.normalized\n\t\t\t};\n\n\t\t} else {\n\n\t\t\t// save as true interlaved attribtue\n\n\t\t\tif ( data.interleavedBuffers === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers = {};\n\n\t\t\t}\n\n\t\t\tif ( data.interleavedBuffers[ this.data.uuid ] === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers[ this.data.uuid ] = this.data.toJSON( data );\n\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\tisInterleavedBufferAttribute: true,\n\t\t\t\titemSize: this.itemSize,\n\t\t\t\tdata: this.data.uuid,\n\t\t\t\toffset: this.offset,\n\t\t\t\tnormalized: this.normalized\n\t\t\t};\n\n\t\t}\n\n\t}\n\n}\n\nInterleavedBufferAttribute.prototype.isInterleavedBufferAttribute = true;\n\n/**\n * parameters = {\n * color: ,\n * map: new THREE.Texture( ),\n * alphaMap: new THREE.Texture( ),\n * rotation: ,\n * sizeAttenuation: \n * }\n */\n\nclass SpriteMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'SpriteMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.rotation = 0;\n\n\t\tthis.sizeAttenuation = true;\n\n\t\tthis.transparent = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.rotation = source.rotation;\n\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\treturn this;\n\n\t}\n\n}\n\nSpriteMaterial.prototype.isSpriteMaterial = true;\n\nlet _geometry;\n\nconst _intersectPoint = /*@__PURE__*/ new Vector3();\nconst _worldScale = /*@__PURE__*/ new Vector3();\nconst _mvPosition = /*@__PURE__*/ new Vector3();\n\nconst _alignedPosition = /*@__PURE__*/ new Vector2();\nconst _rotatedPosition = /*@__PURE__*/ new Vector2();\nconst _viewWorldMatrix = /*@__PURE__*/ new Matrix4();\n\nconst _vA = /*@__PURE__*/ new Vector3();\nconst _vB = /*@__PURE__*/ new Vector3();\nconst _vC = /*@__PURE__*/ new Vector3();\n\nconst _uvA = /*@__PURE__*/ new Vector2();\nconst _uvB = /*@__PURE__*/ new Vector2();\nconst _uvC = /*@__PURE__*/ new Vector2();\n\nclass Sprite extends Object3D {\n\n\tconstructor( material ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Sprite';\n\n\t\tif ( _geometry === undefined ) {\n\n\t\t\t_geometry = new BufferGeometry();\n\n\t\t\tconst float32Array = new Float32Array( [\n\t\t\t\t- 0.5, - 0.5, 0, 0, 0,\n\t\t\t\t0.5, - 0.5, 0, 1, 0,\n\t\t\t\t0.5, 0.5, 0, 1, 1,\n\t\t\t\t- 0.5, 0.5, 0, 0, 1\n\t\t\t] );\n\n\t\t\tconst interleavedBuffer = new InterleavedBuffer( float32Array, 5 );\n\n\t\t\t_geometry.setIndex( [ 0, 1, 2,\t0, 2, 3 ] );\n\t\t\t_geometry.setAttribute( 'position', new InterleavedBufferAttribute( interleavedBuffer, 3, 0, false ) );\n\t\t\t_geometry.setAttribute( 'uv', new InterleavedBufferAttribute( interleavedBuffer, 2, 3, false ) );\n\n\t\t}\n\n\t\tthis.geometry = _geometry;\n\t\tthis.material = ( material !== undefined ) ? material : new SpriteMaterial();\n\n\t\tthis.center = new Vector2( 0.5, 0.5 );\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tif ( raycaster.camera === null ) {\n\n\t\t\tconsole.error( 'THREE.Sprite: \"Raycaster.camera\" needs to be set in order to raycast against sprites.' );\n\n\t\t}\n\n\t\t_worldScale.setFromMatrixScale( this.matrixWorld );\n\n\t\t_viewWorldMatrix.copy( raycaster.camera.matrixWorld );\n\t\tthis.modelViewMatrix.multiplyMatrices( raycaster.camera.matrixWorldInverse, this.matrixWorld );\n\n\t\t_mvPosition.setFromMatrixPosition( this.modelViewMatrix );\n\n\t\tif ( raycaster.camera.isPerspectiveCamera && this.material.sizeAttenuation === false ) {\n\n\t\t\t_worldScale.multiplyScalar( - _mvPosition.z );\n\n\t\t}\n\n\t\tconst rotation = this.material.rotation;\n\t\tlet sin, cos;\n\n\t\tif ( rotation !== 0 ) {\n\n\t\t\tcos = Math.cos( rotation );\n\t\t\tsin = Math.sin( rotation );\n\n\t\t}\n\n\t\tconst center = this.center;\n\n\t\ttransformVertex( _vA.set( - 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\ttransformVertex( _vB.set( 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\ttransformVertex( _vC.set( 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\n\t\t_uvA.set( 0, 0 );\n\t\t_uvB.set( 1, 0 );\n\t\t_uvC.set( 1, 1 );\n\n\t\t// check first triangle\n\t\tlet intersect = raycaster.ray.intersectTriangle( _vA, _vB, _vC, false, _intersectPoint );\n\n\t\tif ( intersect === null ) {\n\n\t\t\t// check second triangle\n\t\t\ttransformVertex( _vB.set( - 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\t\t_uvB.set( 0, 1 );\n\n\t\t\tintersect = raycaster.ray.intersectTriangle( _vA, _vC, _vB, false, _intersectPoint );\n\t\t\tif ( intersect === null ) {\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst distance = raycaster.ray.origin.distanceTo( _intersectPoint );\n\n\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\tintersects.push( {\n\n\t\t\tdistance: distance,\n\t\t\tpoint: _intersectPoint.clone(),\n\t\t\tuv: Triangle.getUV( _intersectPoint, _vA, _vB, _vC, _uvA, _uvB, _uvC, new Vector2() ),\n\t\t\tface: null,\n\t\t\tobject: this\n\n\t\t} );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tif ( source.center !== undefined ) this.center.copy( source.center );\n\n\t\tthis.material = source.material;\n\n\t\treturn this;\n\n\t}\n\n}\n\nSprite.prototype.isSprite = true;\n\nfunction transformVertex( vertexPosition, mvPosition, center, scale, sin, cos ) {\n\n\t// compute position in camera space\n\t_alignedPosition.subVectors( vertexPosition, center ).addScalar( 0.5 ).multiply( scale );\n\n\t// to check if rotation is not zero\n\tif ( sin !== undefined ) {\n\n\t\t_rotatedPosition.x = ( cos * _alignedPosition.x ) - ( sin * _alignedPosition.y );\n\t\t_rotatedPosition.y = ( sin * _alignedPosition.x ) + ( cos * _alignedPosition.y );\n\n\t} else {\n\n\t\t_rotatedPosition.copy( _alignedPosition );\n\n\t}\n\n\n\tvertexPosition.copy( mvPosition );\n\tvertexPosition.x += _rotatedPosition.x;\n\tvertexPosition.y += _rotatedPosition.y;\n\n\t// transform to world space\n\tvertexPosition.applyMatrix4( _viewWorldMatrix );\n\n}\n\nconst _v1$2 = /*@__PURE__*/ new Vector3();\nconst _v2$1 = /*@__PURE__*/ new Vector3();\n\nclass LOD extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis._currentLevel = 0;\n\n\t\tthis.type = 'LOD';\n\n\t\tObject.defineProperties( this, {\n\t\t\tlevels: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: []\n\t\t\t},\n\t\t\tisLOD: {\n\t\t\t\tvalue: true,\n\t\t\t}\n\t\t} );\n\n\t\tthis.autoUpdate = true;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source, false );\n\n\t\tconst levels = source.levels;\n\n\t\tfor ( let i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\tconst level = levels[ i ];\n\n\t\t\tthis.addLevel( level.object.clone(), level.distance );\n\n\t\t}\n\n\t\tthis.autoUpdate = source.autoUpdate;\n\n\t\treturn this;\n\n\t}\n\n\taddLevel( object, distance = 0 ) {\n\n\t\tdistance = Math.abs( distance );\n\n\t\tconst levels = this.levels;\n\n\t\tlet l;\n\n\t\tfor ( l = 0; l < levels.length; l ++ ) {\n\n\t\t\tif ( distance < levels[ l ].distance ) {\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tlevels.splice( l, 0, { distance: distance, object: object } );\n\n\t\tthis.add( object );\n\n\t\treturn this;\n\n\t}\n\n\tgetCurrentLevel() {\n\n\t\treturn this._currentLevel;\n\n\t}\n\n\tgetObjectForDistance( distance ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 0 ) {\n\n\t\t\tlet i, l;\n\n\t\t\tfor ( i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tif ( distance < levels[ i ].distance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn levels[ i - 1 ].object;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 0 ) {\n\n\t\t\t_v1$2.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\tconst distance = raycaster.ray.origin.distanceTo( _v1$2 );\n\n\t\t\tthis.getObjectForDistance( distance ).raycast( raycaster, intersects );\n\n\t\t}\n\n\t}\n\n\tupdate( camera ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 1 ) {\n\n\t\t\t_v1$2.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t_v2$1.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\tconst distance = _v1$2.distanceTo( _v2$1 ) / camera.zoom;\n\n\t\t\tlevels[ 0 ].object.visible = true;\n\n\t\t\tlet i, l;\n\n\t\t\tfor ( i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tif ( distance >= levels[ i ].distance ) {\n\n\t\t\t\t\tlevels[ i - 1 ].object.visible = false;\n\t\t\t\t\tlevels[ i ].object.visible = true;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._currentLevel = i - 1;\n\n\t\t\tfor ( ; i < l; i ++ ) {\n\n\t\t\t\tlevels[ i ].object.visible = false;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tif ( this.autoUpdate === false ) data.object.autoUpdate = false;\n\n\t\tdata.object.levels = [];\n\n\t\tconst levels = this.levels;\n\n\t\tfor ( let i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\tconst level = levels[ i ];\n\n\t\t\tdata.object.levels.push( {\n\t\t\t\tobject: level.object.uuid,\n\t\t\t\tdistance: level.distance\n\t\t\t} );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n}\n\nconst _basePosition = /*@__PURE__*/ new Vector3();\n\nconst _skinIndex = /*@__PURE__*/ new Vector4();\nconst _skinWeight = /*@__PURE__*/ new Vector4();\n\nconst _vector$5 = /*@__PURE__*/ new Vector3();\nconst _matrix = /*@__PURE__*/ new Matrix4();\n\nclass SkinnedMesh extends Mesh {\n\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'SkinnedMesh';\n\n\t\tthis.bindMode = 'attached';\n\t\tthis.bindMatrix = new Matrix4();\n\t\tthis.bindMatrixInverse = new Matrix4();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.bindMode = source.bindMode;\n\t\tthis.bindMatrix.copy( source.bindMatrix );\n\t\tthis.bindMatrixInverse.copy( source.bindMatrixInverse );\n\n\t\tthis.skeleton = source.skeleton;\n\n\t\treturn this;\n\n\t}\n\n\tbind( skeleton, bindMatrix ) {\n\n\t\tthis.skeleton = skeleton;\n\n\t\tif ( bindMatrix === undefined ) {\n\n\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\tthis.skeleton.calculateInverses();\n\n\t\t\tbindMatrix = this.matrixWorld;\n\n\t\t}\n\n\t\tthis.bindMatrix.copy( bindMatrix );\n\t\tthis.bindMatrixInverse.copy( bindMatrix ).invert();\n\n\t}\n\n\tpose() {\n\n\t\tthis.skeleton.pose();\n\n\t}\n\n\tnormalizeSkinWeights() {\n\n\t\tconst vector = new Vector4();\n\n\t\tconst skinWeight = this.geometry.attributes.skinWeight;\n\n\t\tfor ( let i = 0, l = skinWeight.count; i < l; i ++ ) {\n\n\t\t\tvector.x = skinWeight.getX( i );\n\t\t\tvector.y = skinWeight.getY( i );\n\t\t\tvector.z = skinWeight.getZ( i );\n\t\t\tvector.w = skinWeight.getW( i );\n\n\t\t\tconst scale = 1.0 / vector.manhattanLength();\n\n\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\tvector.multiplyScalar( scale );\n\n\t\t\t} else {\n\n\t\t\t\tvector.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t}\n\n\t\t\tskinWeight.setXYZW( i, vector.x, vector.y, vector.z, vector.w );\n\n\t\t}\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tif ( this.bindMode === 'attached' ) {\n\n\t\t\tthis.bindMatrixInverse.copy( this.matrixWorld ).invert();\n\n\t\t} else if ( this.bindMode === 'detached' ) {\n\n\t\t\tthis.bindMatrixInverse.copy( this.bindMatrix ).invert();\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.SkinnedMesh: Unrecognized bindMode: ' + this.bindMode );\n\n\t\t}\n\n\t}\n\n\tboneTransform( index, target ) {\n\n\t\tconst skeleton = this.skeleton;\n\t\tconst geometry = this.geometry;\n\n\t\t_skinIndex.fromBufferAttribute( geometry.attributes.skinIndex, index );\n\t\t_skinWeight.fromBufferAttribute( geometry.attributes.skinWeight, index );\n\n\t\t_basePosition.copy( target ).applyMatrix4( this.bindMatrix );\n\n\t\ttarget.set( 0, 0, 0 );\n\n\t\tfor ( let i = 0; i < 4; i ++ ) {\n\n\t\t\tconst weight = _skinWeight.getComponent( i );\n\n\t\t\tif ( weight !== 0 ) {\n\n\t\t\t\tconst boneIndex = _skinIndex.getComponent( i );\n\n\t\t\t\t_matrix.multiplyMatrices( skeleton.bones[ boneIndex ].matrixWorld, skeleton.boneInverses[ boneIndex ] );\n\n\t\t\t\ttarget.addScaledVector( _vector$5.copy( _basePosition ).applyMatrix4( _matrix ), weight );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn target.applyMatrix4( this.bindMatrixInverse );\n\n\t}\n\n}\n\nSkinnedMesh.prototype.isSkinnedMesh = true;\n\nclass Bone extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'Bone';\n\n\t}\n\n}\n\nBone.prototype.isBone = true;\n\nclass DataTexture extends Texture {\n\n\tconstructor( data = null, width = 1, height = 1, format, type, mapping, wrapS, wrapT, magFilter = NearestFilter, minFilter = NearestFilter, anisotropy, encoding ) {\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { data: data, width: width, height: height };\n\n\t\tthis.magFilter = magFilter;\n\t\tthis.minFilter = minFilter;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nDataTexture.prototype.isDataTexture = true;\n\nconst _offsetMatrix = /*@__PURE__*/ new Matrix4();\nconst _identityMatrix = /*@__PURE__*/ new Matrix4();\n\nclass Skeleton {\n\n\tconstructor( bones = [], boneInverses = [] ) {\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.bones = bones.slice( 0 );\n\t\tthis.boneInverses = boneInverses;\n\t\tthis.boneMatrices = null;\n\n\t\tthis.boneTexture = null;\n\t\tthis.boneTextureSize = 0;\n\n\t\tthis.frame = - 1;\n\n\t\tthis.init();\n\n\t}\n\n\tinit() {\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\n\t\tthis.boneMatrices = new Float32Array( bones.length * 16 );\n\n\t\t// calculate inverse bone matrices if necessary\n\n\t\tif ( boneInverses.length === 0 ) {\n\n\t\t\tthis.calculateInverses();\n\n\t\t} else {\n\n\t\t\t// handle special case\n\n\t\t\tif ( bones.length !== boneInverses.length ) {\n\n\t\t\t\tconsole.warn( 'THREE.Skeleton: Number of inverse bone matrices does not match amount of bones.' );\n\n\t\t\t\tthis.boneInverses = [];\n\n\t\t\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\t\t\tthis.boneInverses.push( new Matrix4() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcalculateInverses() {\n\n\t\tthis.boneInverses.length = 0;\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst inverse = new Matrix4();\n\n\t\t\tif ( this.bones[ i ] ) {\n\n\t\t\t\tinverse.copy( this.bones[ i ].matrixWorld ).invert();\n\n\t\t\t}\n\n\t\t\tthis.boneInverses.push( inverse );\n\n\t\t}\n\n\t}\n\n\tpose() {\n\n\t\t// recover the bind-time world matrices\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone ) {\n\n\t\t\t\tbone.matrixWorld.copy( this.boneInverses[ i ] ).invert();\n\n\t\t\t}\n\n\t\t}\n\n\t\t// compute the local matrices, positions, rotations and scales\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone ) {\n\n\t\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\t\tbone.matrix.copy( bone.parent.matrixWorld ).invert();\n\t\t\t\t\tbone.matrix.multiply( bone.matrixWorld );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbone.matrix.copy( bone.matrixWorld );\n\n\t\t\t\t}\n\n\t\t\t\tbone.matrix.decompose( bone.position, bone.quaternion, bone.scale );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tupdate() {\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\t\tconst boneMatrices = this.boneMatrices;\n\t\tconst boneTexture = this.boneTexture;\n\n\t\t// flatten bone matrices to array\n\n\t\tfor ( let i = 0, il = bones.length; i < il; i ++ ) {\n\n\t\t\t// compute the offset between the current and the original transform\n\n\t\t\tconst matrix = bones[ i ] ? bones[ i ].matrixWorld : _identityMatrix;\n\n\t\t\t_offsetMatrix.multiplyMatrices( matrix, boneInverses[ i ] );\n\t\t\t_offsetMatrix.toArray( boneMatrices, i * 16 );\n\n\t\t}\n\n\t\tif ( boneTexture !== null ) {\n\n\t\t\tboneTexture.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new Skeleton( this.bones, this.boneInverses );\n\n\t}\n\n\tcomputeBoneTexture() {\n\n\t\t// layout (1 matrix = 4 pixels)\n\t\t// RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4)\n\t\t// with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8)\n\t\t// 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16)\n\t\t// 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32)\n\t\t// 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64)\n\n\t\tlet size = Math.sqrt( this.bones.length * 4 ); // 4 pixels needed for 1 matrix\n\t\tsize = ceilPowerOfTwo( size );\n\t\tsize = Math.max( size, 4 );\n\n\t\tconst boneMatrices = new Float32Array( size * size * 4 ); // 4 floats per RGBA pixel\n\t\tboneMatrices.set( this.boneMatrices ); // copy current values\n\n\t\tconst boneTexture = new DataTexture( boneMatrices, size, size, RGBAFormat, FloatType );\n\n\t\tthis.boneMatrices = boneMatrices;\n\t\tthis.boneTexture = boneTexture;\n\t\tthis.boneTextureSize = size;\n\n\t\treturn this;\n\n\t}\n\n\tgetBoneByName( name ) {\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone.name === name ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn undefined;\n\n\t}\n\n\tdispose( ) {\n\n\t\tif ( this.boneTexture !== null ) {\n\n\t\t\tthis.boneTexture.dispose();\n\n\t\t\tthis.boneTexture = null;\n\n\t\t}\n\n\t}\n\n\tfromJSON( json, bones ) {\n\n\t\tthis.uuid = json.uuid;\n\n\t\tfor ( let i = 0, l = json.bones.length; i < l; i ++ ) {\n\n\t\t\tconst uuid = json.bones[ i ];\n\t\t\tlet bone = bones[ uuid ];\n\n\t\t\tif ( bone === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Skeleton: No bone found with UUID:', uuid );\n\t\t\t\tbone = new Bone();\n\n\t\t\t}\n\n\t\t\tthis.bones.push( bone );\n\t\t\tthis.boneInverses.push( new Matrix4().fromArray( json.boneInverses[ i ] ) );\n\n\t\t}\n\n\t\tthis.init();\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Skeleton',\n\t\t\t\tgenerator: 'Skeleton.toJSON'\n\t\t\t},\n\t\t\tbones: [],\n\t\t\tboneInverses: []\n\t\t};\n\n\t\tdata.uuid = this.uuid;\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\n\t\tfor ( let i = 0, l = bones.length; i < l; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\t\t\tdata.bones.push( bone.uuid );\n\n\t\t\tconst boneInverse = boneInverses[ i ];\n\t\t\tdata.boneInverses.push( boneInverse.toArray() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass InstancedBufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized, meshPerAttribute = 1 ) {\n\n\t\tif ( typeof normalized === 'number' ) {\n\n\t\t\tmeshPerAttribute = normalized;\n\n\t\t\tnormalized = false;\n\n\t\t\tconsole.error( 'THREE.InstancedBufferAttribute: The constructor now expects normalized as the third argument.' );\n\n\t\t}\n\n\t\tsuper( array, itemSize, normalized );\n\n\t\tthis.meshPerAttribute = meshPerAttribute;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.meshPerAttribute = this.meshPerAttribute;\n\n\t\tdata.isInstancedBufferAttribute = true;\n\n\t\treturn data;\n\n\t}\n\n}\n\nInstancedBufferAttribute.prototype.isInstancedBufferAttribute = true;\n\nconst _instanceLocalMatrix = /*@__PURE__*/ new Matrix4();\nconst _instanceWorldMatrix = /*@__PURE__*/ new Matrix4();\n\nconst _instanceIntersects = [];\n\nconst _mesh = /*@__PURE__*/ new Mesh();\n\nclass InstancedMesh extends Mesh {\n\n\tconstructor( geometry, material, count ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.instanceMatrix = new InstancedBufferAttribute( new Float32Array( count * 16 ), 16 );\n\t\tthis.instanceColor = null;\n\n\t\tthis.count = count;\n\n\t\tthis.frustumCulled = false;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.instanceMatrix.copy( source.instanceMatrix );\n\n\t\tif ( source.instanceColor !== null ) this.instanceColor = source.instanceColor.clone();\n\n\t\tthis.count = source.count;\n\n\t\treturn this;\n\n\t}\n\n\tgetColorAt( index, color ) {\n\n\t\tcolor.fromArray( this.instanceColor.array, index * 3 );\n\n\t}\n\n\tgetMatrixAt( index, matrix ) {\n\n\t\tmatrix.fromArray( this.instanceMatrix.array, index * 16 );\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst raycastTimes = this.count;\n\n\t\t_mesh.geometry = this.geometry;\n\t\t_mesh.material = this.material;\n\n\t\tif ( _mesh.material === undefined ) return;\n\n\t\tfor ( let instanceId = 0; instanceId < raycastTimes; instanceId ++ ) {\n\n\t\t\t// calculate the world matrix for each instance\n\n\t\t\tthis.getMatrixAt( instanceId, _instanceLocalMatrix );\n\n\t\t\t_instanceWorldMatrix.multiplyMatrices( matrixWorld, _instanceLocalMatrix );\n\n\t\t\t// the mesh represents this single instance\n\n\t\t\t_mesh.matrixWorld = _instanceWorldMatrix;\n\n\t\t\t_mesh.raycast( raycaster, _instanceIntersects );\n\n\t\t\t// process the result of raycast\n\n\t\t\tfor ( let i = 0, l = _instanceIntersects.length; i < l; i ++ ) {\n\n\t\t\t\tconst intersect = _instanceIntersects[ i ];\n\t\t\t\tintersect.instanceId = instanceId;\n\t\t\t\tintersect.object = this;\n\t\t\t\tintersects.push( intersect );\n\n\t\t\t}\n\n\t\t\t_instanceIntersects.length = 0;\n\n\t\t}\n\n\t}\n\n\tsetColorAt( index, color ) {\n\n\t\tif ( this.instanceColor === null ) {\n\n\t\t\tthis.instanceColor = new InstancedBufferAttribute( new Float32Array( this.instanceMatrix.count * 3 ), 3 );\n\n\t\t}\n\n\t\tcolor.toArray( this.instanceColor.array, index * 3 );\n\n\t}\n\n\tsetMatrixAt( index, matrix ) {\n\n\t\tmatrix.toArray( this.instanceMatrix.array, index * 16 );\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n}\n\nInstancedMesh.prototype.isInstancedMesh = true;\n\n/**\n * parameters = {\n * color: ,\n * opacity: ,\n *\n * linewidth: ,\n * linecap: \"round\",\n * linejoin: \"round\"\n * }\n */\n\nclass LineBasicMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LineBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.linewidth = 1;\n\t\tthis.linecap = 'round';\n\t\tthis.linejoin = 'round';\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.linewidth = source.linewidth;\n\t\tthis.linecap = source.linecap;\n\t\tthis.linejoin = source.linejoin;\n\n\t\treturn this;\n\n\t}\n\n}\n\nLineBasicMaterial.prototype.isLineBasicMaterial = true;\n\nconst _start$1 = /*@__PURE__*/ new Vector3();\nconst _end$1 = /*@__PURE__*/ new Vector3();\nconst _inverseMatrix$1 = /*@__PURE__*/ new Matrix4();\nconst _ray$1 = /*@__PURE__*/ new Ray();\nconst _sphere$1 = /*@__PURE__*/ new Sphere();\n\nclass Line extends Object3D {\n\n\tconstructor( geometry = new BufferGeometry(), material = new LineBasicMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Line';\n\n\t\tthis.geometry = geometry;\n\t\tthis.material = material;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.material = source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\tcomputeLineDistances() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\t// we assume non-indexed geometry\n\n\t\t\tif ( geometry.index === null ) {\n\n\t\t\t\tconst positionAttribute = geometry.attributes.position;\n\t\t\t\tconst lineDistances = [ 0 ];\n\n\t\t\t\tfor ( let i = 1, l = positionAttribute.count; i < l; i ++ ) {\n\n\t\t\t\t\t_start$1.fromBufferAttribute( positionAttribute, i - 1 );\n\t\t\t\t\t_end$1.fromBufferAttribute( positionAttribute, i );\n\n\t\t\t\t\tlineDistances[ i ] = lineDistances[ i - 1 ];\n\t\t\t\t\tlineDistances[ i ] += _start$1.distanceTo( _end$1 );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' );\n\n\t\t\t}\n\n\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\tconsole.error( 'THREE.Line.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst threshold = raycaster.params.Line.threshold;\n\t\tconst drawRange = geometry.drawRange;\n\n\t\t// Checking boundingSphere distance to ray\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere$1.copy( geometry.boundingSphere );\n\t\t_sphere$1.applyMatrix4( matrixWorld );\n\t\t_sphere$1.radius += threshold;\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere$1 ) === false ) return;\n\n\t\t//\n\n\t\t_inverseMatrix$1.copy( matrixWorld ).invert();\n\t\t_ray$1.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$1 );\n\n\t\tconst localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\tconst localThresholdSq = localThreshold * localThreshold;\n\n\t\tconst vStart = new Vector3();\n\t\tconst vEnd = new Vector3();\n\t\tconst interSegment = new Vector3();\n\t\tconst interRay = new Vector3();\n\t\tconst step = this.isLineSegments ? 2 : 1;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst index = geometry.index;\n\t\t\tconst attributes = geometry.attributes;\n\t\t\tconst positionAttribute = attributes.position;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, l = end - 1; i < l; i += step ) {\n\n\t\t\t\t\tconst a = index.getX( i );\n\t\t\t\t\tconst b = index.getX( i + 1 );\n\n\t\t\t\t\tvStart.fromBufferAttribute( positionAttribute, a );\n\t\t\t\t\tvEnd.fromBufferAttribute( positionAttribute, b );\n\n\t\t\t\t\tconst distSq = _ray$1.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\tif ( distSq > localThresholdSq ) continue;\n\n\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\tconst distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\tface: null,\n\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, l = end - 1; i < l; i += step ) {\n\n\t\t\t\t\tvStart.fromBufferAttribute( positionAttribute, i );\n\t\t\t\t\tvEnd.fromBufferAttribute( positionAttribute, i + 1 );\n\n\t\t\t\t\tconst distSq = _ray$1.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\tif ( distSq > localThresholdSq ) continue;\n\n\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\tconst distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\tface: null,\n\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\tconsole.error( 'THREE.Line.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t}\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst morphAttributes = geometry.morphAttributes;\n\t\t\tconst keys = Object.keys( morphAttributes );\n\n\t\t\tif ( keys.length > 0 ) {\n\n\t\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst morphTargets = geometry.morphTargets;\n\n\t\t\tif ( morphTargets !== undefined && morphTargets.length > 0 ) {\n\n\t\t\t\tconsole.error( 'THREE.Line.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nLine.prototype.isLine = true;\n\nconst _start = /*@__PURE__*/ new Vector3();\nconst _end = /*@__PURE__*/ new Vector3();\n\nclass LineSegments extends Line {\n\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'LineSegments';\n\n\t}\n\n\tcomputeLineDistances() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\t// we assume non-indexed geometry\n\n\t\t\tif ( geometry.index === null ) {\n\n\t\t\t\tconst positionAttribute = geometry.attributes.position;\n\t\t\t\tconst lineDistances = [];\n\n\t\t\t\tfor ( let i = 0, l = positionAttribute.count; i < l; i += 2 ) {\n\n\t\t\t\t\t_start.fromBufferAttribute( positionAttribute, i );\n\t\t\t\t\t_end.fromBufferAttribute( positionAttribute, i + 1 );\n\n\t\t\t\t\tlineDistances[ i ] = ( i === 0 ) ? 0 : lineDistances[ i - 1 ];\n\t\t\t\t\tlineDistances[ i + 1 ] = lineDistances[ i ] + _start.distanceTo( _end );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' );\n\n\t\t\t}\n\n\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\tconsole.error( 'THREE.LineSegments.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nLineSegments.prototype.isLineSegments = true;\n\nclass LineLoop extends Line {\n\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'LineLoop';\n\n\t}\n\n}\n\nLineLoop.prototype.isLineLoop = true;\n\n/**\n * parameters = {\n * color: ,\n * opacity: ,\n * map: new THREE.Texture( ),\n * alphaMap: new THREE.Texture( ),\n *\n * size: ,\n * sizeAttenuation: \n *\n * }\n */\n\nclass PointsMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'PointsMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.size = 1;\n\t\tthis.sizeAttenuation = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.size = source.size;\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\treturn this;\n\n\t}\n\n}\n\nPointsMaterial.prototype.isPointsMaterial = true;\n\nconst _inverseMatrix = /*@__PURE__*/ new Matrix4();\nconst _ray = /*@__PURE__*/ new Ray();\nconst _sphere = /*@__PURE__*/ new Sphere();\nconst _position$2 = /*@__PURE__*/ new Vector3();\n\nclass Points extends Object3D {\n\n\tconstructor( geometry = new BufferGeometry(), material = new PointsMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Points';\n\n\t\tthis.geometry = geometry;\n\t\tthis.material = material;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.material = source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst threshold = raycaster.params.Points.threshold;\n\t\tconst drawRange = geometry.drawRange;\n\n\t\t// Checking boundingSphere distance to ray\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere.copy( geometry.boundingSphere );\n\t\t_sphere.applyMatrix4( matrixWorld );\n\t\t_sphere.radius += threshold;\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere ) === false ) return;\n\n\t\t//\n\n\t\t_inverseMatrix.copy( matrixWorld ).invert();\n\t\t_ray.copy( raycaster.ray ).applyMatrix4( _inverseMatrix );\n\n\t\tconst localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\tconst localThresholdSq = localThreshold * localThreshold;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst index = geometry.index;\n\t\t\tconst attributes = geometry.attributes;\n\t\t\tconst positionAttribute = attributes.position;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, il = end; i < il; i ++ ) {\n\n\t\t\t\t\tconst a = index.getX( i );\n\n\t\t\t\t\t_position$2.fromBufferAttribute( positionAttribute, a );\n\n\t\t\t\t\ttestPoint( _position$2, a, localThresholdSq, matrixWorld, raycaster, intersects, this );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, l = end; i < l; i ++ ) {\n\n\t\t\t\t\t_position$2.fromBufferAttribute( positionAttribute, i );\n\n\t\t\t\t\ttestPoint( _position$2, i, localThresholdSq, matrixWorld, raycaster, intersects, this );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconsole.error( 'THREE.Points.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t}\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst morphAttributes = geometry.morphAttributes;\n\t\t\tconst keys = Object.keys( morphAttributes );\n\n\t\t\tif ( keys.length > 0 ) {\n\n\t\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst morphTargets = geometry.morphTargets;\n\n\t\t\tif ( morphTargets !== undefined && morphTargets.length > 0 ) {\n\n\t\t\t\tconsole.error( 'THREE.Points.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nPoints.prototype.isPoints = true;\n\nfunction testPoint( point, index, localThresholdSq, matrixWorld, raycaster, intersects, object ) {\n\n\tconst rayPointDistanceSq = _ray.distanceSqToPoint( point );\n\n\tif ( rayPointDistanceSq < localThresholdSq ) {\n\n\t\tconst intersectPoint = new Vector3();\n\n\t\t_ray.closestPointToPoint( point, intersectPoint );\n\t\tintersectPoint.applyMatrix4( matrixWorld );\n\n\t\tconst distance = raycaster.ray.origin.distanceTo( intersectPoint );\n\n\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\tintersects.push( {\n\n\t\t\tdistance: distance,\n\t\t\tdistanceToRay: Math.sqrt( rayPointDistanceSq ),\n\t\t\tpoint: intersectPoint,\n\t\t\tindex: index,\n\t\t\tface: null,\n\t\t\tobject: object\n\n\t\t} );\n\n\t}\n\n}\n\nclass VideoTexture extends Texture {\n\n\tconstructor( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tsuper( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.format = format !== undefined ? format : RGBFormat;\n\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : LinearFilter;\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : LinearFilter;\n\n\t\tthis.generateMipmaps = false;\n\n\t\tconst scope = this;\n\n\t\tfunction updateVideo() {\n\n\t\t\tscope.needsUpdate = true;\n\t\t\tvideo.requestVideoFrameCallback( updateVideo );\n\n\t\t}\n\n\t\tif ( 'requestVideoFrameCallback' in video ) {\n\n\t\t\tvideo.requestVideoFrameCallback( updateVideo );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.image ).copy( this );\n\n\t}\n\n\tupdate() {\n\n\t\tconst video = this.image;\n\t\tconst hasVideoFrameCallback = 'requestVideoFrameCallback' in video;\n\n\t\tif ( hasVideoFrameCallback === false && video.readyState >= video.HAVE_CURRENT_DATA ) {\n\n\t\t\tthis.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n}\n\nVideoTexture.prototype.isVideoTexture = true;\n\nclass CompressedTexture extends Texture {\n\n\tconstructor( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { width: width, height: height };\n\t\tthis.mipmaps = mipmaps;\n\n\t\t// no flipping for cube textures\n\t\t// (also flipping doesn't work for compressed textures )\n\n\t\tthis.flipY = false;\n\n\t\t// can't generate mipmaps for compressed textures\n\t\t// mips must be embedded in DDS files\n\n\t\tthis.generateMipmaps = false;\n\n\t}\n\n}\n\nCompressedTexture.prototype.isCompressedTexture = true;\n\nclass CanvasTexture extends Texture {\n\n\tconstructor( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tsuper( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nCanvasTexture.prototype.isCanvasTexture = true;\n\nclass CircleGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, segments = 8, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CircleGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tsegments = Math.max( 3, segments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\n\t\t// center point\n\n\t\tvertices.push( 0, 0, 0 );\n\t\tnormals.push( 0, 0, 1 );\n\t\tuvs.push( 0.5, 0.5 );\n\n\t\tfor ( let s = 0, i = 3; s <= segments; s ++, i += 3 ) {\n\n\t\t\tconst segment = thetaStart + s / segments * thetaLength;\n\n\t\t\t// vertex\n\n\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\tvertex.y = radius * Math.sin( segment );\n\n\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t// normal\n\n\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t// uvs\n\n\t\t\tuv.x = ( vertices[ i ] / radius + 1 ) / 2;\n\t\t\tuv.y = ( vertices[ i + 1 ] / radius + 1 ) / 2;\n\n\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\tindices.push( i, i + 1, 0 );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new CircleGeometry( data.radius, data.segments, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass CylinderGeometry extends BufferGeometry {\n\n\tconstructor( radiusTop = 1, radiusBottom = 1, height = 1, radialSegments = 8, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\t\tthis.type = 'CylinderGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tconst scope = this;\n\n\t\tradialSegments = Math.floor( radialSegments );\n\t\theightSegments = Math.floor( heightSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet index = 0;\n\t\tconst indexArray = [];\n\t\tconst halfHeight = height / 2;\n\t\tlet groupStart = 0;\n\n\t\t// generate geometry\n\n\t\tgenerateTorso();\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) generateCap( true );\n\t\t\tif ( radiusBottom > 0 ) generateCap( false );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\tfunction generateTorso() {\n\n\t\t\tconst normal = new Vector3();\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tlet groupCount = 0;\n\n\t\t\t// this will be used to calculate the normal\n\t\t\tconst slope = ( radiusBottom - radiusTop ) / height;\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( let y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\t\tconst indexRow = [];\n\n\t\t\t\tconst v = y / heightSegments;\n\n\t\t\t\t// calculate the radius of the current row\n\n\t\t\t\tconst radius = v * ( radiusBottom - radiusTop ) + radiusTop;\n\n\t\t\t\tfor ( let x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\t\tconst u = x / radialSegments;\n\n\t\t\t\t\tconst theta = u * thetaLength + thetaStart;\n\n\t\t\t\t\tconst sinTheta = Math.sin( theta );\n\t\t\t\t\tconst cosTheta = Math.cos( theta );\n\n\t\t\t\t\t// vertex\n\n\t\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\t\tvertex.y = - v * height + halfHeight;\n\t\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t\t// normal\n\n\t\t\t\t\tnormal.set( sinTheta, slope, cosTheta ).normalize();\n\t\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t\t// uv\n\n\t\t\t\t\tuvs.push( u, 1 - v );\n\n\t\t\t\t\t// save index of vertex in respective row\n\n\t\t\t\t\tindexRow.push( index ++ );\n\n\t\t\t\t}\n\n\t\t\t\t// now save vertices of the row in our index array\n\n\t\t\t\tindexArray.push( indexRow );\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( let x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tfor ( let y = 0; y < heightSegments; y ++ ) {\n\n\t\t\t\t\t// we use the index array to access the correct indices\n\n\t\t\t\t\tconst a = indexArray[ y ][ x ];\n\t\t\t\t\tconst b = indexArray[ y + 1 ][ x ];\n\t\t\t\t\tconst c = indexArray[ y + 1 ][ x + 1 ];\n\t\t\t\t\tconst d = indexArray[ y ][ x + 1 ];\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t\t// update group counter\n\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, 0 );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t\tfunction generateCap( top ) {\n\n\t\t\t// save the index of the first center vertex\n\t\t\tconst centerIndexStart = index;\n\n\t\t\tconst uv = new Vector2();\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tlet groupCount = 0;\n\n\t\t\tconst radius = ( top === true ) ? radiusTop : radiusBottom;\n\t\t\tconst sign = ( top === true ) ? 1 : - 1;\n\n\t\t\t// first we generate the center vertex data of the cap.\n\t\t\t// because the geometry needs one set of uvs per face,\n\t\t\t// we must generate a center vertex per face/segment\n\n\t\t\tfor ( let x = 1; x <= radialSegments; x ++ ) {\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertices.push( 0, halfHeight * sign, 0 );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, sign, 0 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( 0.5, 0.5 );\n\n\t\t\t\t// increase index\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// save the index of the last center vertex\n\t\t\tconst centerIndexEnd = index;\n\n\t\t\t// now we generate the surrounding vertices, normals and uvs\n\n\t\t\tfor ( let x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\tconst u = x / radialSegments;\n\t\t\t\tconst theta = u * thetaLength + thetaStart;\n\n\t\t\t\tconst cosTheta = Math.cos( theta );\n\t\t\t\tconst sinTheta = Math.sin( theta );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\tvertex.y = halfHeight * sign;\n\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, sign, 0 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = ( cosTheta * 0.5 ) + 0.5;\n\t\t\t\tuv.y = ( sinTheta * 0.5 * sign ) + 0.5;\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t// increase index\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( let x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tconst c = centerIndexStart + x;\n\t\t\t\tconst i = centerIndexEnd + x;\n\n\t\t\t\tif ( top === true ) {\n\n\t\t\t\t\t// face top\n\n\t\t\t\t\tindices.push( i, i + 1, c );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// face bottom\n\n\t\t\t\t\tindices.push( i + 1, i, c );\n\n\t\t\t\t}\n\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, top === true ? 1 : 2 );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new CylinderGeometry( data.radiusTop, data.radiusBottom, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass ConeGeometry extends CylinderGeometry {\n\n\tconstructor( radius = 1, height = 1, radialSegments = 8, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper( 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new ConeGeometry( data.radius, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass PolyhedronGeometry extends BufferGeometry {\n\n\tconstructor( vertices = [], indices = [], radius = 1, detail = 0 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'PolyhedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\t// default buffer data\n\n\t\tconst vertexBuffer = [];\n\t\tconst uvBuffer = [];\n\n\t\t// the subdivision creates the vertex buffer data\n\n\t\tsubdivide( detail );\n\n\t\t// all vertices should lie on a conceptual sphere with a given radius\n\n\t\tapplyRadius( radius );\n\n\t\t// finally, create the uv data\n\n\t\tgenerateUVs();\n\n\t\t// build non-indexed geometry\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertexBuffer, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( vertexBuffer.slice(), 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvBuffer, 2 ) );\n\n\t\tif ( detail === 0 ) {\n\n\t\t\tthis.computeVertexNormals(); // flat normals\n\n\t\t} else {\n\n\t\t\tthis.normalizeNormals(); // smooth normals\n\n\t\t}\n\n\t\t// helper functions\n\n\t\tfunction subdivide( detail ) {\n\n\t\t\tconst a = new Vector3();\n\t\t\tconst b = new Vector3();\n\t\t\tconst c = new Vector3();\n\n\t\t\t// iterate over all faces and apply a subdivison with the given detail value\n\n\t\t\tfor ( let i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t// get the vertices of the face\n\n\t\t\t\tgetVertexByIndex( indices[ i + 0 ], a );\n\t\t\t\tgetVertexByIndex( indices[ i + 1 ], b );\n\t\t\t\tgetVertexByIndex( indices[ i + 2 ], c );\n\n\t\t\t\t// perform subdivision\n\n\t\t\t\tsubdivideFace( a, b, c, detail );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction subdivideFace( a, b, c, detail ) {\n\n\t\t\tconst cols = detail + 1;\n\n\t\t\t// we use this multidimensional array as a data structure for creating the subdivision\n\n\t\t\tconst v = [];\n\n\t\t\t// construct all of the vertices for this subdivision\n\n\t\t\tfor ( let i = 0; i <= cols; i ++ ) {\n\n\t\t\t\tv[ i ] = [];\n\n\t\t\t\tconst aj = a.clone().lerp( c, i / cols );\n\t\t\t\tconst bj = b.clone().lerp( c, i / cols );\n\n\t\t\t\tconst rows = cols - i;\n\n\t\t\t\tfor ( let j = 0; j <= rows; j ++ ) {\n\n\t\t\t\t\tif ( j === 0 && i === cols ) {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj.clone().lerp( bj, j / rows );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// construct all of the faces\n\n\t\t\tfor ( let i = 0; i < cols; i ++ ) {\n\n\t\t\t\tfor ( let j = 0; j < 2 * ( cols - i ) - 1; j ++ ) {\n\n\t\t\t\t\tconst k = Math.floor( j / 2 );\n\n\t\t\t\t\tif ( j % 2 === 0 ) {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\t\t\t\t\t\tpushVertex( v[ i ][ k ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction applyRadius( radius ) {\n\n\t\t\tconst vertex = new Vector3();\n\n\t\t\t// iterate over the entire buffer and apply the radius to each vertex\n\n\t\t\tfor ( let i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvertex.normalize().multiplyScalar( radius );\n\n\t\t\t\tvertexBuffer[ i + 0 ] = vertex.x;\n\t\t\t\tvertexBuffer[ i + 1 ] = vertex.y;\n\t\t\t\tvertexBuffer[ i + 2 ] = vertex.z;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tfor ( let i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tconst u = azimuth( vertex ) / 2 / Math.PI + 0.5;\n\t\t\t\tconst v = inclination( vertex ) / Math.PI + 0.5;\n\t\t\t\tuvBuffer.push( u, 1 - v );\n\n\t\t\t}\n\n\t\t\tcorrectUVs();\n\n\t\t\tcorrectSeam();\n\n\t\t}\n\n\t\tfunction correctSeam() {\n\n\t\t\t// handle case when face straddles the seam, see #3269\n\n\t\t\tfor ( let i = 0; i < uvBuffer.length; i += 6 ) {\n\n\t\t\t\t// uv data of a single face\n\n\t\t\t\tconst x0 = uvBuffer[ i + 0 ];\n\t\t\t\tconst x1 = uvBuffer[ i + 2 ];\n\t\t\t\tconst x2 = uvBuffer[ i + 4 ];\n\n\t\t\t\tconst max = Math.max( x0, x1, x2 );\n\t\t\t\tconst min = Math.min( x0, x1, x2 );\n\n\t\t\t\t// 0.9 is somewhat arbitrary\n\n\t\t\t\tif ( max > 0.9 && min < 0.1 ) {\n\n\t\t\t\t\tif ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1;\n\t\t\t\t\tif ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1;\n\t\t\t\t\tif ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction pushVertex( vertex ) {\n\n\t\t\tvertexBuffer.push( vertex.x, vertex.y, vertex.z );\n\n\t\t}\n\n\t\tfunction getVertexByIndex( index, vertex ) {\n\n\t\t\tconst stride = index * 3;\n\n\t\t\tvertex.x = vertices[ stride + 0 ];\n\t\t\tvertex.y = vertices[ stride + 1 ];\n\t\t\tvertex.z = vertices[ stride + 2 ];\n\n\t\t}\n\n\t\tfunction correctUVs() {\n\n\t\t\tconst a = new Vector3();\n\t\t\tconst b = new Vector3();\n\t\t\tconst c = new Vector3();\n\n\t\t\tconst centroid = new Vector3();\n\n\t\t\tconst uvA = new Vector2();\n\t\t\tconst uvB = new Vector2();\n\t\t\tconst uvC = new Vector2();\n\n\t\t\tfor ( let i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) {\n\n\t\t\t\ta.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] );\n\t\t\t\tb.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] );\n\t\t\t\tc.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] );\n\n\t\t\t\tuvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] );\n\t\t\t\tuvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] );\n\t\t\t\tuvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] );\n\n\t\t\t\tcentroid.copy( a ).add( b ).add( c ).divideScalar( 3 );\n\n\t\t\t\tconst azi = azimuth( centroid );\n\n\t\t\t\tcorrectUV( uvA, j + 0, a, azi );\n\t\t\t\tcorrectUV( uvB, j + 2, b, azi );\n\t\t\t\tcorrectUV( uvC, j + 4, c, azi );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction correctUV( uv, stride, vector, azimuth ) {\n\n\t\t\tif ( ( azimuth < 0 ) && ( uv.x === 1 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = uv.x - 1;\n\n\t\t\t}\n\n\t\t\tif ( ( vector.x === 0 ) && ( vector.z === 0 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Angle around the Y axis, counter-clockwise when looking from above.\n\n\t\tfunction azimuth( vector ) {\n\n\t\t\treturn Math.atan2( vector.z, - vector.x );\n\n\t\t}\n\n\n\t\t// Angle above the XZ plane.\n\n\t\tfunction inclination( vector ) {\n\n\t\t\treturn Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) );\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new PolyhedronGeometry( data.vertices, data.indices, data.radius, data.details );\n\n\t}\n\n}\n\nclass DodecahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\t\tconst r = 1 / t;\n\n\t\tconst vertices = [\n\n\t\t\t// (\u00B11, \u00B11, \u00B11)\n\t\t\t- 1, - 1, - 1,\t- 1, - 1, 1,\n\t\t\t- 1, 1, - 1, - 1, 1, 1,\n\t\t\t1, - 1, - 1, 1, - 1, 1,\n\t\t\t1, 1, - 1, 1, 1, 1,\n\n\t\t\t// (0, \u00B11/\u03C6, \u00B1\u03C6)\n\t\t\t0, - r, - t, 0, - r, t,\n\t\t\t0, r, - t, 0, r, t,\n\n\t\t\t// (\u00B11/\u03C6, \u00B1\u03C6, 0)\n\t\t\t- r, - t, 0, - r, t, 0,\n\t\t\tr, - t, 0, r, t, 0,\n\n\t\t\t// (\u00B1\u03C6, 0, \u00B11/\u03C6)\n\t\t\t- t, 0, - r, t, 0, - r,\n\t\t\t- t, 0, r, t, 0, r\n\t\t];\n\n\t\tconst indices = [\n\t\t\t3, 11, 7, \t3, 7, 15, \t3, 15, 13,\n\t\t\t7, 19, 17, \t7, 17, 6, \t7, 6, 15,\n\t\t\t17, 4, 8, \t17, 8, 10, \t17, 10, 6,\n\t\t\t8, 0, 16, \t8, 16, 2, \t8, 2, 10,\n\t\t\t0, 12, 1, \t0, 1, 18, \t0, 18, 16,\n\t\t\t6, 10, 2, \t6, 2, 13, \t6, 13, 15,\n\t\t\t2, 16, 18, \t2, 18, 3, \t2, 3, 13,\n\t\t\t18, 1, 9, \t18, 9, 11, \t18, 11, 3,\n\t\t\t4, 14, 12, \t4, 12, 0, \t4, 0, 8,\n\t\t\t11, 9, 5, \t11, 5, 19, \t11, 19, 7,\n\t\t\t19, 5, 14, \t19, 14, 4, \t19, 4, 17,\n\t\t\t1, 12, 14, \t1, 14, 5, \t1, 5, 9\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'DodecahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new DodecahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nconst _v0 = new Vector3();\nconst _v1$1 = new Vector3();\nconst _normal = new Vector3();\nconst _triangle = new Triangle();\n\nclass EdgesGeometry extends BufferGeometry {\n\n\tconstructor( geometry = null, thresholdAngle = 1 ) {\n\n\t\tsuper();\n\t\tthis.type = 'EdgesGeometry';\n\n\t\tthis.parameters = {\n\t\t\tgeometry: geometry,\n\t\t\tthresholdAngle: thresholdAngle\n\t\t};\n\n\t\tif ( geometry !== null ) {\n\n\t\t\tconst precisionPoints = 4;\n\t\t\tconst precision = Math.pow( 10, precisionPoints );\n\t\t\tconst thresholdDot = Math.cos( DEG2RAD * thresholdAngle );\n\n\t\t\tconst indexAttr = geometry.getIndex();\n\t\t\tconst positionAttr = geometry.getAttribute( 'position' );\n\t\t\tconst indexCount = indexAttr ? indexAttr.count : positionAttr.count;\n\n\t\t\tconst indexArr = [ 0, 0, 0 ];\n\t\t\tconst vertKeys = [ 'a', 'b', 'c' ];\n\t\t\tconst hashes = new Array( 3 );\n\n\t\t\tconst edgeData = {};\n\t\t\tconst vertices = [];\n\t\t\tfor ( let i = 0; i < indexCount; i += 3 ) {\n\n\t\t\t\tif ( indexAttr ) {\n\n\t\t\t\t\tindexArr[ 0 ] = indexAttr.getX( i );\n\t\t\t\t\tindexArr[ 1 ] = indexAttr.getX( i + 1 );\n\t\t\t\t\tindexArr[ 2 ] = indexAttr.getX( i + 2 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tindexArr[ 0 ] = i;\n\t\t\t\t\tindexArr[ 1 ] = i + 1;\n\t\t\t\t\tindexArr[ 2 ] = i + 2;\n\n\t\t\t\t}\n\n\t\t\t\tconst { a, b, c } = _triangle;\n\t\t\t\ta.fromBufferAttribute( positionAttr, indexArr[ 0 ] );\n\t\t\t\tb.fromBufferAttribute( positionAttr, indexArr[ 1 ] );\n\t\t\t\tc.fromBufferAttribute( positionAttr, indexArr[ 2 ] );\n\t\t\t\t_triangle.getNormal( _normal );\n\n\t\t\t\t// create hashes for the edge from the vertices\n\t\t\t\thashes[ 0 ] = `${ Math.round( a.x * precision ) },${ Math.round( a.y * precision ) },${ Math.round( a.z * precision ) }`;\n\t\t\t\thashes[ 1 ] = `${ Math.round( b.x * precision ) },${ Math.round( b.y * precision ) },${ Math.round( b.z * precision ) }`;\n\t\t\t\thashes[ 2 ] = `${ Math.round( c.x * precision ) },${ Math.round( c.y * precision ) },${ Math.round( c.z * precision ) }`;\n\n\t\t\t\t// skip degenerate triangles\n\t\t\t\tif ( hashes[ 0 ] === hashes[ 1 ] || hashes[ 1 ] === hashes[ 2 ] || hashes[ 2 ] === hashes[ 0 ] ) {\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\t// iterate over every edge\n\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t// get the first and next vertex making up the edge\n\t\t\t\t\tconst jNext = ( j + 1 ) % 3;\n\t\t\t\t\tconst vecHash0 = hashes[ j ];\n\t\t\t\t\tconst vecHash1 = hashes[ jNext ];\n\t\t\t\t\tconst v0 = _triangle[ vertKeys[ j ] ];\n\t\t\t\t\tconst v1 = _triangle[ vertKeys[ jNext ] ];\n\n\t\t\t\t\tconst hash = `${ vecHash0 }_${ vecHash1 }`;\n\t\t\t\t\tconst reverseHash = `${ vecHash1 }_${ vecHash0 }`;\n\n\t\t\t\t\tif ( reverseHash in edgeData && edgeData[ reverseHash ] ) {\n\n\t\t\t\t\t\t// if we found a sibling edge add it into the vertex array if\n\t\t\t\t\t\t// it meets the angle threshold and delete the edge from the map.\n\t\t\t\t\t\tif ( _normal.dot( edgeData[ reverseHash ].normal ) <= thresholdDot ) {\n\n\t\t\t\t\t\t\tvertices.push( v0.x, v0.y, v0.z );\n\t\t\t\t\t\t\tvertices.push( v1.x, v1.y, v1.z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tedgeData[ reverseHash ] = null;\n\n\t\t\t\t\t} else if ( ! ( hash in edgeData ) ) {\n\n\t\t\t\t\t\t// if we've already got an edge here then skip adding a new one\n\t\t\t\t\t\tedgeData[ hash ] = {\n\n\t\t\t\t\t\t\tindex0: indexArr[ j ],\n\t\t\t\t\t\t\tindex1: indexArr[ jNext ],\n\t\t\t\t\t\t\tnormal: _normal.clone(),\n\n\t\t\t\t\t\t};\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// iterate over all remaining, unmatched edges and add them to the vertex array\n\t\t\tfor ( const key in edgeData ) {\n\n\t\t\t\tif ( edgeData[ key ] ) {\n\n\t\t\t\t\tconst { index0, index1 } = edgeData[ key ];\n\t\t\t\t\t_v0.fromBufferAttribute( positionAttr, index0 );\n\t\t\t\t\t_v1$1.fromBufferAttribute( positionAttr, index1 );\n\n\t\t\t\t\tvertices.push( _v0.x, _v0.y, _v0.z );\n\t\t\t\t\tvertices.push( _v1$1.x, _v1$1.y, _v1$1.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * Extensible curve object.\n *\n * Some common of curve methods:\n * .getPoint( t, optionalTarget ), .getTangent( t, optionalTarget )\n * .getPointAt( u, optionalTarget ), .getTangentAt( u, optionalTarget )\n * .getPoints(), .getSpacedPoints()\n * .getLength()\n * .updateArcLengths()\n *\n * This following curves inherit from THREE.Curve:\n *\n * -- 2D curves --\n * THREE.ArcCurve\n * THREE.CubicBezierCurve\n * THREE.EllipseCurve\n * THREE.LineCurve\n * THREE.QuadraticBezierCurve\n * THREE.SplineCurve\n *\n * -- 3D curves --\n * THREE.CatmullRomCurve3\n * THREE.CubicBezierCurve3\n * THREE.LineCurve3\n * THREE.QuadraticBezierCurve3\n *\n * A series of curves can be represented as a THREE.CurvePath.\n *\n **/\n\nclass Curve {\n\n\tconstructor() {\n\n\t\tthis.type = 'Curve';\n\n\t\tthis.arcLengthDivisions = 200;\n\n\t}\n\n\t// Virtual base class method to overwrite and implement in subclasses\n\t//\t- t [0 .. 1]\n\n\tgetPoint( /* t, optionalTarget */ ) {\n\n\t\tconsole.warn( 'THREE.Curve: .getPoint() not implemented.' );\n\t\treturn null;\n\n\t}\n\n\t// Get point at relative position in curve according to arc length\n\t// - u [0 .. 1]\n\n\tgetPointAt( u, optionalTarget ) {\n\n\t\tconst t = this.getUtoTmapping( u );\n\t\treturn this.getPoint( t, optionalTarget );\n\n\t}\n\n\t// Get sequence of points using getPoint( t )\n\n\tgetPoints( divisions = 5 ) {\n\n\t\tconst points = [];\n\n\t\tfor ( let d = 0; d <= divisions; d ++ ) {\n\n\t\t\tpoints.push( this.getPoint( d / divisions ) );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\t// Get sequence of points using getPointAt( u )\n\n\tgetSpacedPoints( divisions = 5 ) {\n\n\t\tconst points = [];\n\n\t\tfor ( let d = 0; d <= divisions; d ++ ) {\n\n\t\t\tpoints.push( this.getPointAt( d / divisions ) );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\t// Get total curve arc length\n\n\tgetLength() {\n\n\t\tconst lengths = this.getLengths();\n\t\treturn lengths[ lengths.length - 1 ];\n\n\t}\n\n\t// Get list of cumulative segment lengths\n\n\tgetLengths( divisions = this.arcLengthDivisions ) {\n\n\t\tif ( this.cacheArcLengths &&\n\t\t\t( this.cacheArcLengths.length === divisions + 1 ) &&\n\t\t\t! this.needsUpdate ) {\n\n\t\t\treturn this.cacheArcLengths;\n\n\t\t}\n\n\t\tthis.needsUpdate = false;\n\n\t\tconst cache = [];\n\t\tlet current, last = this.getPoint( 0 );\n\t\tlet sum = 0;\n\n\t\tcache.push( 0 );\n\n\t\tfor ( let p = 1; p <= divisions; p ++ ) {\n\n\t\t\tcurrent = this.getPoint( p / divisions );\n\t\t\tsum += current.distanceTo( last );\n\t\t\tcache.push( sum );\n\t\t\tlast = current;\n\n\t\t}\n\n\t\tthis.cacheArcLengths = cache;\n\n\t\treturn cache; // { sums: cache, sum: sum }; Sum is in the last element.\n\n\t}\n\n\tupdateArcLengths() {\n\n\t\tthis.needsUpdate = true;\n\t\tthis.getLengths();\n\n\t}\n\n\t// Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant\n\n\tgetUtoTmapping( u, distance ) {\n\n\t\tconst arcLengths = this.getLengths();\n\n\t\tlet i = 0;\n\t\tconst il = arcLengths.length;\n\n\t\tlet targetArcLength; // The targeted u distance value to get\n\n\t\tif ( distance ) {\n\n\t\t\ttargetArcLength = distance;\n\n\t\t} else {\n\n\t\t\ttargetArcLength = u * arcLengths[ il - 1 ];\n\n\t\t}\n\n\t\t// binary search for the index with largest value smaller than target u distance\n\n\t\tlet low = 0, high = il - 1, comparison;\n\n\t\twhile ( low <= high ) {\n\n\t\t\ti = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats\n\n\t\t\tcomparison = arcLengths[ i ] - targetArcLength;\n\n\t\t\tif ( comparison < 0 ) {\n\n\t\t\t\tlow = i + 1;\n\n\t\t\t} else if ( comparison > 0 ) {\n\n\t\t\t\thigh = i - 1;\n\n\t\t\t} else {\n\n\t\t\t\thigh = i;\n\t\t\t\tbreak;\n\n\t\t\t\t// DONE\n\n\t\t\t}\n\n\t\t}\n\n\t\ti = high;\n\n\t\tif ( arcLengths[ i ] === targetArcLength ) {\n\n\t\t\treturn i / ( il - 1 );\n\n\t\t}\n\n\t\t// we could get finer grain at lengths, or use simple interpolation between two points\n\n\t\tconst lengthBefore = arcLengths[ i ];\n\t\tconst lengthAfter = arcLengths[ i + 1 ];\n\n\t\tconst segmentLength = lengthAfter - lengthBefore;\n\n\t\t// determine where we are between the 'before' and 'after' points\n\n\t\tconst segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength;\n\n\t\t// add that fractional amount to t\n\n\t\tconst t = ( i + segmentFraction ) / ( il - 1 );\n\n\t\treturn t;\n\n\t}\n\n\t// Returns a unit vector tangent at t\n\t// In case any sub curve does not implement its tangent derivation,\n\t// 2 points a small delta apart will be used to find its gradient\n\t// which seems to give a reasonable approximation\n\n\tgetTangent( t, optionalTarget ) {\n\n\t\tconst delta = 0.0001;\n\t\tlet t1 = t - delta;\n\t\tlet t2 = t + delta;\n\n\t\t// Capping in case of danger\n\n\t\tif ( t1 < 0 ) t1 = 0;\n\t\tif ( t2 > 1 ) t2 = 1;\n\n\t\tconst pt1 = this.getPoint( t1 );\n\t\tconst pt2 = this.getPoint( t2 );\n\n\t\tconst tangent = optionalTarget || ( ( pt1.isVector2 ) ? new Vector2() : new Vector3() );\n\n\t\ttangent.copy( pt2 ).sub( pt1 ).normalize();\n\n\t\treturn tangent;\n\n\t}\n\n\tgetTangentAt( u, optionalTarget ) {\n\n\t\tconst t = this.getUtoTmapping( u );\n\t\treturn this.getTangent( t, optionalTarget );\n\n\t}\n\n\tcomputeFrenetFrames( segments, closed ) {\n\n\t\t// see http://www.cs.indiana.edu/pub/techreports/TR425.pdf\n\n\t\tconst normal = new Vector3();\n\n\t\tconst tangents = [];\n\t\tconst normals = [];\n\t\tconst binormals = [];\n\n\t\tconst vec = new Vector3();\n\t\tconst mat = new Matrix4();\n\n\t\t// compute the tangent vectors for each segment on the curve\n\n\t\tfor ( let i = 0; i <= segments; i ++ ) {\n\n\t\t\tconst u = i / segments;\n\n\t\t\ttangents[ i ] = this.getTangentAt( u, new Vector3() );\n\n\t\t}\n\n\t\t// select an initial normal vector perpendicular to the first tangent vector,\n\t\t// and in the direction of the minimum tangent xyz component\n\n\t\tnormals[ 0 ] = new Vector3();\n\t\tbinormals[ 0 ] = new Vector3();\n\t\tlet min = Number.MAX_VALUE;\n\t\tconst tx = Math.abs( tangents[ 0 ].x );\n\t\tconst ty = Math.abs( tangents[ 0 ].y );\n\t\tconst tz = Math.abs( tangents[ 0 ].z );\n\n\t\tif ( tx <= min ) {\n\n\t\t\tmin = tx;\n\t\t\tnormal.set( 1, 0, 0 );\n\n\t\t}\n\n\t\tif ( ty <= min ) {\n\n\t\t\tmin = ty;\n\t\t\tnormal.set( 0, 1, 0 );\n\n\t\t}\n\n\t\tif ( tz <= min ) {\n\n\t\t\tnormal.set( 0, 0, 1 );\n\n\t\t}\n\n\t\tvec.crossVectors( tangents[ 0 ], normal ).normalize();\n\n\t\tnormals[ 0 ].crossVectors( tangents[ 0 ], vec );\n\t\tbinormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] );\n\n\n\t\t// compute the slowly-varying normal and binormal vectors for each segment on the curve\n\n\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\tnormals[ i ] = normals[ i - 1 ].clone();\n\n\t\t\tbinormals[ i ] = binormals[ i - 1 ].clone();\n\n\t\t\tvec.crossVectors( tangents[ i - 1 ], tangents[ i ] );\n\n\t\t\tif ( vec.length() > Number.EPSILON ) {\n\n\t\t\t\tvec.normalize();\n\n\t\t\t\tconst theta = Math.acos( clamp( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors\n\n\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) );\n\n\t\t\t}\n\n\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t}\n\n\t\t// if the curve is closed, postprocess the vectors so the first and last normal vectors are the same\n\n\t\tif ( closed === true ) {\n\n\t\t\tlet theta = Math.acos( clamp( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) );\n\t\t\ttheta /= segments;\n\n\t\t\tif ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) {\n\n\t\t\t\ttheta = - theta;\n\n\t\t\t}\n\n\t\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\t\t// twist a little...\n\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) );\n\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn {\n\t\t\ttangents: tangents,\n\t\t\tnormals: normals,\n\t\t\tbinormals: binormals\n\t\t};\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.arcLengthDivisions = source.arcLengthDivisions;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Curve',\n\t\t\t\tgenerator: 'Curve.toJSON'\n\t\t\t}\n\t\t};\n\n\t\tdata.arcLengthDivisions = this.arcLengthDivisions;\n\t\tdata.type = this.type;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tthis.arcLengthDivisions = json.arcLengthDivisions;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass EllipseCurve extends Curve {\n\n\tconstructor( aX = 0, aY = 0, xRadius = 1, yRadius = 1, aStartAngle = 0, aEndAngle = Math.PI * 2, aClockwise = false, aRotation = 0 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'EllipseCurve';\n\n\t\tthis.aX = aX;\n\t\tthis.aY = aY;\n\n\t\tthis.xRadius = xRadius;\n\t\tthis.yRadius = yRadius;\n\n\t\tthis.aStartAngle = aStartAngle;\n\t\tthis.aEndAngle = aEndAngle;\n\n\t\tthis.aClockwise = aClockwise;\n\n\t\tthis.aRotation = aRotation;\n\n\t}\n\n\tgetPoint( t, optionalTarget ) {\n\n\t\tconst point = optionalTarget || new Vector2();\n\n\t\tconst twoPi = Math.PI * 2;\n\t\tlet deltaAngle = this.aEndAngle - this.aStartAngle;\n\t\tconst samePoints = Math.abs( deltaAngle ) < Number.EPSILON;\n\n\t\t// ensures that deltaAngle is 0 .. 2 PI\n\t\twhile ( deltaAngle < 0 ) deltaAngle += twoPi;\n\t\twhile ( deltaAngle > twoPi ) deltaAngle -= twoPi;\n\n\t\tif ( deltaAngle < Number.EPSILON ) {\n\n\t\t\tif ( samePoints ) {\n\n\t\t\t\tdeltaAngle = 0;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.aClockwise === true && ! samePoints ) {\n\n\t\t\tif ( deltaAngle === twoPi ) {\n\n\t\t\t\tdeltaAngle = - twoPi;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = deltaAngle - twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst angle = this.aStartAngle + t * deltaAngle;\n\t\tlet x = this.aX + this.xRadius * Math.cos( angle );\n\t\tlet y = this.aY + this.yRadius * Math.sin( angle );\n\n\t\tif ( this.aRotation !== 0 ) {\n\n\t\t\tconst cos = Math.cos( this.aRotation );\n\t\t\tconst sin = Math.sin( this.aRotation );\n\n\t\t\tconst tx = x - this.aX;\n\t\t\tconst ty = y - this.aY;\n\n\t\t\t// Rotate the point about the center of the ellipse.\n\t\t\tx = tx * cos - ty * sin + this.aX;\n\t\t\ty = tx * sin + ty * cos + this.aY;\n\n\t\t}\n\n\t\treturn point.set( x, y );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.aX = source.aX;\n\t\tthis.aY = source.aY;\n\n\t\tthis.xRadius = source.xRadius;\n\t\tthis.yRadius = source.yRadius;\n\n\t\tthis.aStartAngle = source.aStartAngle;\n\t\tthis.aEndAngle = source.aEndAngle;\n\n\t\tthis.aClockwise = source.aClockwise;\n\n\t\tthis.aRotation = source.aRotation;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.aX = this.aX;\n\t\tdata.aY = this.aY;\n\n\t\tdata.xRadius = this.xRadius;\n\t\tdata.yRadius = this.yRadius;\n\n\t\tdata.aStartAngle = this.aStartAngle;\n\t\tdata.aEndAngle = this.aEndAngle;\n\n\t\tdata.aClockwise = this.aClockwise;\n\n\t\tdata.aRotation = this.aRotation;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.aX = json.aX;\n\t\tthis.aY = json.aY;\n\n\t\tthis.xRadius = json.xRadius;\n\t\tthis.yRadius = json.yRadius;\n\n\t\tthis.aStartAngle = json.aStartAngle;\n\t\tthis.aEndAngle = json.aEndAngle;\n\n\t\tthis.aClockwise = json.aClockwise;\n\n\t\tthis.aRotation = json.aRotation;\n\n\t\treturn this;\n\n\t}\n\n}\n\nEllipseCurve.prototype.isEllipseCurve = true;\n\nclass ArcCurve extends EllipseCurve {\n\n\tconstructor( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tsuper( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\tthis.type = 'ArcCurve';\n\n\t}\n\n}\n\nArcCurve.prototype.isArcCurve = true;\n\n/**\n * Centripetal CatmullRom Curve - which is useful for avoiding\n * cusps and self-intersections in non-uniform catmull rom curves.\n * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf\n *\n * curve.type accepts centripetal(default), chordal and catmullrom\n * curve.tension is used for catmullrom which defaults to 0.5\n */\n\n\n/*\nBased on an optimized c++ solution in\n - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/\n - http://ideone.com/NoEbVM\n\nThis CubicPoly class could be used for reusing some variables and calculations,\nbut for three.js curve use, it could be possible inlined and flatten into a single function call\nwhich can be placed in CurveUtils.\n*/\n\nfunction CubicPoly() {\n\n\tlet c0 = 0, c1 = 0, c2 = 0, c3 = 0;\n\n\t/*\n\t * Compute coefficients for a cubic polynomial\n\t * p(s) = c0 + c1*s + c2*s^2 + c3*s^3\n\t * such that\n\t * p(0) = x0, p(1) = x1\n\t * and\n\t * p'(0) = t0, p'(1) = t1.\n\t */\n\tfunction init( x0, x1, t0, t1 ) {\n\n\t\tc0 = x0;\n\t\tc1 = t0;\n\t\tc2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1;\n\t\tc3 = 2 * x0 - 2 * x1 + t0 + t1;\n\n\t}\n\n\treturn {\n\n\t\tinitCatmullRom: function ( x0, x1, x2, x3, tension ) {\n\n\t\t\tinit( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) );\n\n\t\t},\n\n\t\tinitNonuniformCatmullRom: function ( x0, x1, x2, x3, dt0, dt1, dt2 ) {\n\n\t\t\t// compute tangents when parameterized in [t1,t2]\n\t\t\tlet t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1;\n\t\t\tlet t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2;\n\n\t\t\t// rescale tangents for parametrization in [0,1]\n\t\t\tt1 *= dt1;\n\t\t\tt2 *= dt1;\n\n\t\t\tinit( x1, x2, t1, t2 );\n\n\t\t},\n\n\t\tcalc: function ( t ) {\n\n\t\t\tconst t2 = t * t;\n\t\t\tconst t3 = t2 * t;\n\t\t\treturn c0 + c1 * t + c2 * t2 + c3 * t3;\n\n\t\t}\n\n\t};\n\n}\n\n//\n\nconst tmp = new Vector3();\nconst px = new CubicPoly(), py = new CubicPoly(), pz = new CubicPoly();\n\nclass CatmullRomCurve3 extends Curve {\n\n\tconstructor( points = [], closed = false, curveType = 'centripetal', tension = 0.5 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CatmullRomCurve3';\n\n\t\tthis.points = points;\n\t\tthis.closed = closed;\n\t\tthis.curveType = curveType;\n\t\tthis.tension = tension;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst points = this.points;\n\t\tconst l = points.length;\n\n\t\tconst p = ( l - ( this.closed ? 0 : 1 ) ) * t;\n\t\tlet intPoint = Math.floor( p );\n\t\tlet weight = p - intPoint;\n\n\t\tif ( this.closed ) {\n\n\t\t\tintPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / l ) + 1 ) * l;\n\n\t\t} else if ( weight === 0 && intPoint === l - 1 ) {\n\n\t\t\tintPoint = l - 2;\n\t\t\tweight = 1;\n\n\t\t}\n\n\t\tlet p0, p3; // 4 points (p1 & p2 defined below)\n\n\t\tif ( this.closed || intPoint > 0 ) {\n\n\t\t\tp0 = points[ ( intPoint - 1 ) % l ];\n\n\t\t} else {\n\n\t\t\t// extrapolate first point\n\t\t\ttmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] );\n\t\t\tp0 = tmp;\n\n\t\t}\n\n\t\tconst p1 = points[ intPoint % l ];\n\t\tconst p2 = points[ ( intPoint + 1 ) % l ];\n\n\t\tif ( this.closed || intPoint + 2 < l ) {\n\n\t\t\tp3 = points[ ( intPoint + 2 ) % l ];\n\n\t\t} else {\n\n\t\t\t// extrapolate last point\n\t\t\ttmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] );\n\t\t\tp3 = tmp;\n\n\t\t}\n\n\t\tif ( this.curveType === 'centripetal' || this.curveType === 'chordal' ) {\n\n\t\t\t// init Centripetal / Chordal Catmull-Rom\n\t\t\tconst pow = this.curveType === 'chordal' ? 0.5 : 0.25;\n\t\t\tlet dt0 = Math.pow( p0.distanceToSquared( p1 ), pow );\n\t\t\tlet dt1 = Math.pow( p1.distanceToSquared( p2 ), pow );\n\t\t\tlet dt2 = Math.pow( p2.distanceToSquared( p3 ), pow );\n\n\t\t\t// safety check for repeated points\n\t\t\tif ( dt1 < 1e-4 ) dt1 = 1.0;\n\t\t\tif ( dt0 < 1e-4 ) dt0 = dt1;\n\t\t\tif ( dt2 < 1e-4 ) dt2 = dt1;\n\n\t\t\tpx.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 );\n\t\t\tpy.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 );\n\t\t\tpz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 );\n\n\t\t} else if ( this.curveType === 'catmullrom' ) {\n\n\t\t\tpx.initCatmullRom( p0.x, p1.x, p2.x, p3.x, this.tension );\n\t\t\tpy.initCatmullRom( p0.y, p1.y, p2.y, p3.y, this.tension );\n\t\t\tpz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, this.tension );\n\n\t\t}\n\n\t\tpoint.set(\n\t\t\tpx.calc( weight ),\n\t\t\tpy.calc( weight ),\n\t\t\tpz.calc( weight )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = source.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = source.points[ i ];\n\n\t\t\tthis.points.push( point.clone() );\n\n\t\t}\n\n\t\tthis.closed = source.closed;\n\t\tthis.curveType = source.curveType;\n\t\tthis.tension = source.tension;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.points = [];\n\n\t\tfor ( let i = 0, l = this.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = this.points[ i ];\n\t\t\tdata.points.push( point.toArray() );\n\n\t\t}\n\n\t\tdata.closed = this.closed;\n\t\tdata.curveType = this.curveType;\n\t\tdata.tension = this.tension;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = json.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = json.points[ i ];\n\t\t\tthis.points.push( new Vector3().fromArray( point ) );\n\n\t\t}\n\n\t\tthis.closed = json.closed;\n\t\tthis.curveType = json.curveType;\n\t\tthis.tension = json.tension;\n\n\t\treturn this;\n\n\t}\n\n}\n\nCatmullRomCurve3.prototype.isCatmullRomCurve3 = true;\n\n/**\n * Bezier Curves formulas obtained from\n * http://en.wikipedia.org/wiki/B\u00E9zier_curve\n */\n\nfunction CatmullRom( t, p0, p1, p2, p3 ) {\n\n\tconst v0 = ( p2 - p0 ) * 0.5;\n\tconst v1 = ( p3 - p1 ) * 0.5;\n\tconst t2 = t * t;\n\tconst t3 = t * t2;\n\treturn ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n}\n\n//\n\nfunction QuadraticBezierP0( t, p ) {\n\n\tconst k = 1 - t;\n\treturn k * k * p;\n\n}\n\nfunction QuadraticBezierP1( t, p ) {\n\n\treturn 2 * ( 1 - t ) * t * p;\n\n}\n\nfunction QuadraticBezierP2( t, p ) {\n\n\treturn t * t * p;\n\n}\n\nfunction QuadraticBezier( t, p0, p1, p2 ) {\n\n\treturn QuadraticBezierP0( t, p0 ) + QuadraticBezierP1( t, p1 ) +\n\t\tQuadraticBezierP2( t, p2 );\n\n}\n\n//\n\nfunction CubicBezierP0( t, p ) {\n\n\tconst k = 1 - t;\n\treturn k * k * k * p;\n\n}\n\nfunction CubicBezierP1( t, p ) {\n\n\tconst k = 1 - t;\n\treturn 3 * k * k * t * p;\n\n}\n\nfunction CubicBezierP2( t, p ) {\n\n\treturn 3 * ( 1 - t ) * t * t * p;\n\n}\n\nfunction CubicBezierP3( t, p ) {\n\n\treturn t * t * t * p;\n\n}\n\nfunction CubicBezier( t, p0, p1, p2, p3 ) {\n\n\treturn CubicBezierP0( t, p0 ) + CubicBezierP1( t, p1 ) + CubicBezierP2( t, p2 ) +\n\t\tCubicBezierP3( t, p3 );\n\n}\n\nclass CubicBezierCurve extends Curve {\n\n\tconstructor( v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2(), v3 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CubicBezierCurve';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\t\tthis.v3 = v3;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3;\n\n\t\tpoint.set(\n\t\t\tCubicBezier( t, v0.x, v1.x, v2.x, v3.x ),\n\t\t\tCubicBezier( t, v0.y, v1.y, v2.y, v3.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\t\tthis.v3.copy( source.v3 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\t\tdata.v3 = this.v3.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\t\tthis.v3.fromArray( json.v3 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nCubicBezierCurve.prototype.isCubicBezierCurve = true;\n\nclass CubicBezierCurve3 extends Curve {\n\n\tconstructor( v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3(), v3 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CubicBezierCurve3';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\t\tthis.v3 = v3;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3;\n\n\t\tpoint.set(\n\t\t\tCubicBezier( t, v0.x, v1.x, v2.x, v3.x ),\n\t\t\tCubicBezier( t, v0.y, v1.y, v2.y, v3.y ),\n\t\t\tCubicBezier( t, v0.z, v1.z, v2.z, v3.z )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\t\tthis.v3.copy( source.v3 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\t\tdata.v3 = this.v3.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\t\tthis.v3.fromArray( json.v3 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nCubicBezierCurve3.prototype.isCubicBezierCurve3 = true;\n\nclass LineCurve extends Curve {\n\n\tconstructor( v1 = new Vector2(), v2 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LineCurve';\n\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tif ( t === 1 ) {\n\n\t\t\tpoint.copy( this.v2 );\n\n\t\t} else {\n\n\t\t\tpoint.copy( this.v2 ).sub( this.v1 );\n\t\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\t}\n\n\t\treturn point;\n\n\t}\n\n\t// Line curve is linear, so we can overwrite default getPointAt\n\tgetPointAt( u, optionalTarget ) {\n\n\t\treturn this.getPoint( u, optionalTarget );\n\n\t}\n\n\tgetTangent( t, optionalTarget ) {\n\n\t\tconst tangent = optionalTarget || new Vector2();\n\n\t\ttangent.copy( this.v2 ).sub( this.v1 ).normalize();\n\n\t\treturn tangent;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nLineCurve.prototype.isLineCurve = true;\n\nclass LineCurve3 extends Curve {\n\n\tconstructor( v1 = new Vector3(), v2 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LineCurve3';\n\t\tthis.isLineCurve3 = true;\n\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tif ( t === 1 ) {\n\n\t\t\tpoint.copy( this.v2 );\n\n\t\t} else {\n\n\t\t\tpoint.copy( this.v2 ).sub( this.v1 );\n\t\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\t}\n\n\t\treturn point;\n\n\t}\n\t// Line curve is linear, so we can overwrite default getPointAt\n\tgetPointAt( u, optionalTarget ) {\n\n\t\treturn this.getPoint( u, optionalTarget );\n\n\t}\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass QuadraticBezierCurve extends Curve {\n\n\tconstructor( v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'QuadraticBezierCurve';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2;\n\n\t\tpoint.set(\n\t\t\tQuadraticBezier( t, v0.x, v1.x, v2.x ),\n\t\t\tQuadraticBezier( t, v0.y, v1.y, v2.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nQuadraticBezierCurve.prototype.isQuadraticBezierCurve = true;\n\nclass QuadraticBezierCurve3 extends Curve {\n\n\tconstructor( v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'QuadraticBezierCurve3';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2;\n\n\t\tpoint.set(\n\t\t\tQuadraticBezier( t, v0.x, v1.x, v2.x ),\n\t\t\tQuadraticBezier( t, v0.y, v1.y, v2.y ),\n\t\t\tQuadraticBezier( t, v0.z, v1.z, v2.z )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nQuadraticBezierCurve3.prototype.isQuadraticBezierCurve3 = true;\n\nclass SplineCurve extends Curve {\n\n\tconstructor( points = [] ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'SplineCurve';\n\n\t\tthis.points = points;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst points = this.points;\n\t\tconst p = ( points.length - 1 ) * t;\n\n\t\tconst intPoint = Math.floor( p );\n\t\tconst weight = p - intPoint;\n\n\t\tconst p0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ];\n\t\tconst p1 = points[ intPoint ];\n\t\tconst p2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\tconst p3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\tpoint.set(\n\t\t\tCatmullRom( weight, p0.x, p1.x, p2.x, p3.x ),\n\t\t\tCatmullRom( weight, p0.y, p1.y, p2.y, p3.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = source.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = source.points[ i ];\n\n\t\t\tthis.points.push( point.clone() );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.points = [];\n\n\t\tfor ( let i = 0, l = this.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = this.points[ i ];\n\t\t\tdata.points.push( point.toArray() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = json.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = json.points[ i ];\n\t\t\tthis.points.push( new Vector2().fromArray( point ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nSplineCurve.prototype.isSplineCurve = true;\n\nvar Curves = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tArcCurve: ArcCurve,\n\tCatmullRomCurve3: CatmullRomCurve3,\n\tCubicBezierCurve: CubicBezierCurve,\n\tCubicBezierCurve3: CubicBezierCurve3,\n\tEllipseCurve: EllipseCurve,\n\tLineCurve: LineCurve,\n\tLineCurve3: LineCurve3,\n\tQuadraticBezierCurve: QuadraticBezierCurve,\n\tQuadraticBezierCurve3: QuadraticBezierCurve3,\n\tSplineCurve: SplineCurve\n});\n\n/**************************************************************\n *\tCurved Path - a curve path is simply a array of connected\n * curves, but retains the api of a curve\n **************************************************************/\n\nclass CurvePath extends Curve {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'CurvePath';\n\n\t\tthis.curves = [];\n\t\tthis.autoClose = false; // Automatically closes the path\n\n\t}\n\n\tadd( curve ) {\n\n\t\tthis.curves.push( curve );\n\n\t}\n\n\tclosePath() {\n\n\t\t// Add a line curve if start and end of lines are not connected\n\t\tconst startPoint = this.curves[ 0 ].getPoint( 0 );\n\t\tconst endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 );\n\n\t\tif ( ! startPoint.equals( endPoint ) ) {\n\n\t\t\tthis.curves.push( new LineCurve( endPoint, startPoint ) );\n\n\t\t}\n\n\t}\n\n\t// To get accurate point with reference to\n\t// entire path distance at time t,\n\t// following has to be done:\n\n\t// 1. Length of each sub path have to be known\n\t// 2. Locate and identify type of curve\n\t// 3. Get t for the curve\n\t// 4. Return curve.getPointAt(t')\n\n\tgetPoint( t, optionalTarget ) {\n\n\t\tconst d = t * this.getLength();\n\t\tconst curveLengths = this.getCurveLengths();\n\t\tlet i = 0;\n\n\t\t// To think about boundaries points.\n\n\t\twhile ( i < curveLengths.length ) {\n\n\t\t\tif ( curveLengths[ i ] >= d ) {\n\n\t\t\t\tconst diff = curveLengths[ i ] - d;\n\t\t\t\tconst curve = this.curves[ i ];\n\n\t\t\t\tconst segmentLength = curve.getLength();\n\t\t\t\tconst u = segmentLength === 0 ? 0 : 1 - diff / segmentLength;\n\n\t\t\t\treturn curve.getPointAt( u, optionalTarget );\n\n\t\t\t}\n\n\t\t\ti ++;\n\n\t\t}\n\n\t\treturn null;\n\n\t\t// loop where sum != 0, sum > d , sum+1 1 && ! points[ points.length - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\tpoints.push( points[ 0 ] );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.curves = [];\n\n\t\tfor ( let i = 0, l = source.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = source.curves[ i ];\n\n\t\t\tthis.curves.push( curve.clone() );\n\n\t\t}\n\n\t\tthis.autoClose = source.autoClose;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.autoClose = this.autoClose;\n\t\tdata.curves = [];\n\n\t\tfor ( let i = 0, l = this.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = this.curves[ i ];\n\t\t\tdata.curves.push( curve.toJSON() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.autoClose = json.autoClose;\n\t\tthis.curves = [];\n\n\t\tfor ( let i = 0, l = json.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = json.curves[ i ];\n\t\t\tthis.curves.push( new Curves[ curve.type ]().fromJSON( curve ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass Path extends CurvePath {\n\n\tconstructor( points ) {\n\n\t\tsuper();\n\t\tthis.type = 'Path';\n\n\t\tthis.currentPoint = new Vector2();\n\n\t\tif ( points ) {\n\n\t\t\tthis.setFromPoints( points );\n\n\t\t}\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tthis.moveTo( points[ 0 ].x, points[ 0 ].y );\n\n\t\tfor ( let i = 1, l = points.length; i < l; i ++ ) {\n\n\t\t\tthis.lineTo( points[ i ].x, points[ i ].y );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tmoveTo( x, y ) {\n\n\t\tthis.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying?\n\n\t\treturn this;\n\n\t}\n\n\tlineTo( x, y ) {\n\n\t\tconst curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) );\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( x, y );\n\n\t\treturn this;\n\n\t}\n\n\tquadraticCurveTo( aCPx, aCPy, aX, aY ) {\n\n\t\tconst curve = new QuadraticBezierCurve(\n\t\t\tthis.currentPoint.clone(),\n\t\t\tnew Vector2( aCPx, aCPy ),\n\t\t\tnew Vector2( aX, aY )\n\t\t);\n\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tbezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\tconst curve = new CubicBezierCurve(\n\t\t\tthis.currentPoint.clone(),\n\t\t\tnew Vector2( aCP1x, aCP1y ),\n\t\t\tnew Vector2( aCP2x, aCP2y ),\n\t\t\tnew Vector2( aX, aY )\n\t\t);\n\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tsplineThru( pts /*Array of Vector*/ ) {\n\n\t\tconst npts = [ this.currentPoint.clone() ].concat( pts );\n\n\t\tconst curve = new SplineCurve( npts );\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.copy( pts[ pts.length - 1 ] );\n\n\t\treturn this;\n\n\t}\n\n\tarc( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tconst x0 = this.currentPoint.x;\n\t\tconst y0 = this.currentPoint.y;\n\n\t\tthis.absarc( aX + x0, aY + y0, aRadius,\n\t\t\taStartAngle, aEndAngle, aClockwise );\n\n\t\treturn this;\n\n\t}\n\n\tabsarc( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tthis.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\treturn this;\n\n\t}\n\n\tellipse( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tconst x0 = this.currentPoint.x;\n\t\tconst y0 = this.currentPoint.y;\n\n\t\tthis.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\treturn this;\n\n\t}\n\n\tabsellipse( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tconst curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\tif ( this.curves.length > 0 ) {\n\n\t\t\t// if a previous curve is present, attempt to join\n\t\t\tconst firstPoint = curve.getPoint( 0 );\n\n\t\t\tif ( ! firstPoint.equals( this.currentPoint ) ) {\n\n\t\t\t\tthis.lineTo( firstPoint.x, firstPoint.y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.curves.push( curve );\n\n\t\tconst lastPoint = curve.getPoint( 1 );\n\t\tthis.currentPoint.copy( lastPoint );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.currentPoint.copy( source.currentPoint );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.currentPoint = this.currentPoint.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.currentPoint.fromArray( json.currentPoint );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass Shape extends Path {\n\n\tconstructor( points ) {\n\n\t\tsuper( points );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.type = 'Shape';\n\n\t\tthis.holes = [];\n\n\t}\n\n\tgetPointsHoles( divisions ) {\n\n\t\tconst holesPts = [];\n\n\t\tfor ( let i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\tholesPts[ i ] = this.holes[ i ].getPoints( divisions );\n\n\t\t}\n\n\t\treturn holesPts;\n\n\t}\n\n\t// get points of shape and holes (keypoints based on segments parameter)\n\n\textractPoints( divisions ) {\n\n\t\treturn {\n\n\t\t\tshape: this.getPoints( divisions ),\n\t\t\tholes: this.getPointsHoles( divisions )\n\n\t\t};\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.holes = [];\n\n\t\tfor ( let i = 0, l = source.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = source.holes[ i ];\n\n\t\t\tthis.holes.push( hole.clone() );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.uuid = this.uuid;\n\t\tdata.holes = [];\n\n\t\tfor ( let i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = this.holes[ i ];\n\t\t\tdata.holes.push( hole.toJSON() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.uuid = json.uuid;\n\t\tthis.holes = [];\n\n\t\tfor ( let i = 0, l = json.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = json.holes[ i ];\n\t\t\tthis.holes.push( new Path().fromJSON( hole ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * Port from https://github.com/mapbox/earcut (v2.2.2)\n */\n\nconst Earcut = {\n\n\ttriangulate: function ( data, holeIndices, dim = 2 ) {\n\n\t\tconst hasHoles = holeIndices && holeIndices.length;\n\t\tconst outerLen = hasHoles ? holeIndices[ 0 ] * dim : data.length;\n\t\tlet outerNode = linkedList( data, 0, outerLen, dim, true );\n\t\tconst triangles = [];\n\n\t\tif ( ! outerNode || outerNode.next === outerNode.prev ) return triangles;\n\n\t\tlet minX, minY, maxX, maxY, x, y, invSize;\n\n\t\tif ( hasHoles ) outerNode = eliminateHoles( data, holeIndices, outerNode, dim );\n\n\t\t// if the shape is not too simple, we'll use z-order curve hash later; calculate polygon bbox\n\t\tif ( data.length > 80 * dim ) {\n\n\t\t\tminX = maxX = data[ 0 ];\n\t\t\tminY = maxY = data[ 1 ];\n\n\t\t\tfor ( let i = dim; i < outerLen; i += dim ) {\n\n\t\t\t\tx = data[ i ];\n\t\t\t\ty = data[ i + 1 ];\n\t\t\t\tif ( x < minX ) minX = x;\n\t\t\t\tif ( y < minY ) minY = y;\n\t\t\t\tif ( x > maxX ) maxX = x;\n\t\t\t\tif ( y > maxY ) maxY = y;\n\n\t\t\t}\n\n\t\t\t// minX, minY and invSize are later used to transform coords into integers for z-order calculation\n\t\t\tinvSize = Math.max( maxX - minX, maxY - minY );\n\t\t\tinvSize = invSize !== 0 ? 1 / invSize : 0;\n\n\t\t}\n\n\t\tearcutLinked( outerNode, triangles, dim, minX, minY, invSize );\n\n\t\treturn triangles;\n\n\t}\n\n};\n\n// create a circular doubly linked list from polygon points in the specified winding order\nfunction linkedList( data, start, end, dim, clockwise ) {\n\n\tlet i, last;\n\n\tif ( clockwise === ( signedArea( data, start, end, dim ) > 0 ) ) {\n\n\t\tfor ( i = start; i < end; i += dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last );\n\n\t} else {\n\n\t\tfor ( i = end - dim; i >= start; i -= dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last );\n\n\t}\n\n\tif ( last && equals( last, last.next ) ) {\n\n\t\tremoveNode( last );\n\t\tlast = last.next;\n\n\t}\n\n\treturn last;\n\n}\n\n// eliminate colinear or duplicate points\nfunction filterPoints( start, end ) {\n\n\tif ( ! start ) return start;\n\tif ( ! end ) end = start;\n\n\tlet p = start,\n\t\tagain;\n\tdo {\n\n\t\tagain = false;\n\n\t\tif ( ! p.steiner && ( equals( p, p.next ) || area( p.prev, p, p.next ) === 0 ) ) {\n\n\t\t\tremoveNode( p );\n\t\t\tp = end = p.prev;\n\t\t\tif ( p === p.next ) break;\n\t\t\tagain = true;\n\n\t\t} else {\n\n\t\t\tp = p.next;\n\n\t\t}\n\n\t} while ( again || p !== end );\n\n\treturn end;\n\n}\n\n// main ear slicing loop which triangulates a polygon (given as a linked list)\nfunction earcutLinked( ear, triangles, dim, minX, minY, invSize, pass ) {\n\n\tif ( ! ear ) return;\n\n\t// interlink polygon nodes in z-order\n\tif ( ! pass && invSize ) indexCurve( ear, minX, minY, invSize );\n\n\tlet stop = ear,\n\t\tprev, next;\n\n\t// iterate through ears, slicing them one by one\n\twhile ( ear.prev !== ear.next ) {\n\n\t\tprev = ear.prev;\n\t\tnext = ear.next;\n\n\t\tif ( invSize ? isEarHashed( ear, minX, minY, invSize ) : isEar( ear ) ) {\n\n\t\t\t// cut off the triangle\n\t\t\ttriangles.push( prev.i / dim );\n\t\t\ttriangles.push( ear.i / dim );\n\t\t\ttriangles.push( next.i / dim );\n\n\t\t\tremoveNode( ear );\n\n\t\t\t// skipping the next vertex leads to less sliver triangles\n\t\t\tear = next.next;\n\t\t\tstop = next.next;\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\tear = next;\n\n\t\t// if we looped through the whole remaining polygon and can't find any more ears\n\t\tif ( ear === stop ) {\n\n\t\t\t// try filtering points and slicing again\n\t\t\tif ( ! pass ) {\n\n\t\t\t\tearcutLinked( filterPoints( ear ), triangles, dim, minX, minY, invSize, 1 );\n\n\t\t\t\t// if this didn't work, try curing all small self-intersections locally\n\n\t\t\t} else if ( pass === 1 ) {\n\n\t\t\t\tear = cureLocalIntersections( filterPoints( ear ), triangles, dim );\n\t\t\t\tearcutLinked( ear, triangles, dim, minX, minY, invSize, 2 );\n\n\t\t\t\t// as a last resort, try splitting the remaining polygon into two\n\n\t\t\t} else if ( pass === 2 ) {\n\n\t\t\t\tsplitEarcut( ear, triangles, dim, minX, minY, invSize );\n\n\t\t\t}\n\n\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n}\n\n// check whether a polygon node forms a valid ear with adjacent nodes\nfunction isEar( ear ) {\n\n\tconst a = ear.prev,\n\t\tb = ear,\n\t\tc = ear.next;\n\n\tif ( area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear\n\n\t// now make sure we don't have other points inside the potential ear\n\tlet p = ear.next.next;\n\n\twhile ( p !== ear.prev ) {\n\n\t\tif ( pointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) &&\n\t\t\tarea( p.prev, p, p.next ) >= 0 ) return false;\n\t\tp = p.next;\n\n\t}\n\n\treturn true;\n\n}\n\nfunction isEarHashed( ear, minX, minY, invSize ) {\n\n\tconst a = ear.prev,\n\t\tb = ear,\n\t\tc = ear.next;\n\n\tif ( area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear\n\n\t// triangle bbox; min & max are calculated like this for speed\n\tconst minTX = a.x < b.x ? ( a.x < c.x ? a.x : c.x ) : ( b.x < c.x ? b.x : c.x ),\n\t\tminTY = a.y < b.y ? ( a.y < c.y ? a.y : c.y ) : ( b.y < c.y ? b.y : c.y ),\n\t\tmaxTX = a.x > b.x ? ( a.x > c.x ? a.x : c.x ) : ( b.x > c.x ? b.x : c.x ),\n\t\tmaxTY = a.y > b.y ? ( a.y > c.y ? a.y : c.y ) : ( b.y > c.y ? b.y : c.y );\n\n\t// z-order range for the current triangle bbox;\n\tconst minZ = zOrder( minTX, minTY, minX, minY, invSize ),\n\t\tmaxZ = zOrder( maxTX, maxTY, minX, minY, invSize );\n\n\tlet p = ear.prevZ,\n\t\tn = ear.nextZ;\n\n\t// look for points inside the triangle in both directions\n\twhile ( p && p.z >= minZ && n && n.z <= maxZ ) {\n\n\t\tif ( p !== ear.prev && p !== ear.next &&\n\t\t\tpointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) &&\n\t\t\tarea( p.prev, p, p.next ) >= 0 ) return false;\n\t\tp = p.prevZ;\n\n\t\tif ( n !== ear.prev && n !== ear.next &&\n\t\t\tpointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, n.x, n.y ) &&\n\t\t\tarea( n.prev, n, n.next ) >= 0 ) return false;\n\t\tn = n.nextZ;\n\n\t}\n\n\t// look for remaining points in decreasing z-order\n\twhile ( p && p.z >= minZ ) {\n\n\t\tif ( p !== ear.prev && p !== ear.next &&\n\t\t\tpointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) &&\n\t\t\tarea( p.prev, p, p.next ) >= 0 ) return false;\n\t\tp = p.prevZ;\n\n\t}\n\n\t// look for remaining points in increasing z-order\n\twhile ( n && n.z <= maxZ ) {\n\n\t\tif ( n !== ear.prev && n !== ear.next &&\n\t\t\tpointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, n.x, n.y ) &&\n\t\t\tarea( n.prev, n, n.next ) >= 0 ) return false;\n\t\tn = n.nextZ;\n\n\t}\n\n\treturn true;\n\n}\n\n// go through all polygon nodes and cure small local self-intersections\nfunction cureLocalIntersections( start, triangles, dim ) {\n\n\tlet p = start;\n\tdo {\n\n\t\tconst a = p.prev,\n\t\t\tb = p.next.next;\n\n\t\tif ( ! equals( a, b ) && intersects( a, p, p.next, b ) && locallyInside( a, b ) && locallyInside( b, a ) ) {\n\n\t\t\ttriangles.push( a.i / dim );\n\t\t\ttriangles.push( p.i / dim );\n\t\t\ttriangles.push( b.i / dim );\n\n\t\t\t// remove two nodes involved\n\t\t\tremoveNode( p );\n\t\t\tremoveNode( p.next );\n\n\t\t\tp = start = b;\n\n\t\t}\n\n\t\tp = p.next;\n\n\t} while ( p !== start );\n\n\treturn filterPoints( p );\n\n}\n\n// try splitting polygon into two and triangulate them independently\nfunction splitEarcut( start, triangles, dim, minX, minY, invSize ) {\n\n\t// look for a valid diagonal that divides the polygon into two\n\tlet a = start;\n\tdo {\n\n\t\tlet b = a.next.next;\n\t\twhile ( b !== a.prev ) {\n\n\t\t\tif ( a.i !== b.i && isValidDiagonal( a, b ) ) {\n\n\t\t\t\t// split the polygon in two by the diagonal\n\t\t\t\tlet c = splitPolygon( a, b );\n\n\t\t\t\t// filter colinear points around the cuts\n\t\t\t\ta = filterPoints( a, a.next );\n\t\t\t\tc = filterPoints( c, c.next );\n\n\t\t\t\t// run earcut on each half\n\t\t\t\tearcutLinked( a, triangles, dim, minX, minY, invSize );\n\t\t\t\tearcutLinked( c, triangles, dim, minX, minY, invSize );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tb = b.next;\n\n\t\t}\n\n\t\ta = a.next;\n\n\t} while ( a !== start );\n\n}\n\n// link every hole into the outer loop, producing a single-ring polygon without holes\nfunction eliminateHoles( data, holeIndices, outerNode, dim ) {\n\n\tconst queue = [];\n\tlet i, len, start, end, list;\n\n\tfor ( i = 0, len = holeIndices.length; i < len; i ++ ) {\n\n\t\tstart = holeIndices[ i ] * dim;\n\t\tend = i < len - 1 ? holeIndices[ i + 1 ] * dim : data.length;\n\t\tlist = linkedList( data, start, end, dim, false );\n\t\tif ( list === list.next ) list.steiner = true;\n\t\tqueue.push( getLeftmost( list ) );\n\n\t}\n\n\tqueue.sort( compareX );\n\n\t// process holes from left to right\n\tfor ( i = 0; i < queue.length; i ++ ) {\n\n\t\teliminateHole( queue[ i ], outerNode );\n\t\touterNode = filterPoints( outerNode, outerNode.next );\n\n\t}\n\n\treturn outerNode;\n\n}\n\nfunction compareX( a, b ) {\n\n\treturn a.x - b.x;\n\n}\n\n// find a bridge between vertices that connects hole with an outer ring and and link it\nfunction eliminateHole( hole, outerNode ) {\n\n\touterNode = findHoleBridge( hole, outerNode );\n\tif ( outerNode ) {\n\n\t\tconst b = splitPolygon( outerNode, hole );\n\n\t\t// filter collinear points around the cuts\n\t\tfilterPoints( outerNode, outerNode.next );\n\t\tfilterPoints( b, b.next );\n\n\t}\n\n}\n\n// David Eberly's algorithm for finding a bridge between hole and outer polygon\nfunction findHoleBridge( hole, outerNode ) {\n\n\tlet p = outerNode;\n\tconst hx = hole.x;\n\tconst hy = hole.y;\n\tlet qx = - Infinity, m;\n\n\t// find a segment intersected by a ray from the hole's leftmost point to the left;\n\t// segment's endpoint with lesser x will be potential connection point\n\tdo {\n\n\t\tif ( hy <= p.y && hy >= p.next.y && p.next.y !== p.y ) {\n\n\t\t\tconst x = p.x + ( hy - p.y ) * ( p.next.x - p.x ) / ( p.next.y - p.y );\n\t\t\tif ( x <= hx && x > qx ) {\n\n\t\t\t\tqx = x;\n\t\t\t\tif ( x === hx ) {\n\n\t\t\t\t\tif ( hy === p.y ) return p;\n\t\t\t\t\tif ( hy === p.next.y ) return p.next;\n\n\t\t\t\t}\n\n\t\t\t\tm = p.x < p.next.x ? p : p.next;\n\n\t\t\t}\n\n\t\t}\n\n\t\tp = p.next;\n\n\t} while ( p !== outerNode );\n\n\tif ( ! m ) return null;\n\n\tif ( hx === qx ) return m; // hole touches outer segment; pick leftmost endpoint\n\n\t// look for points inside the triangle of hole point, segment intersection and endpoint;\n\t// if there are no points found, we have a valid connection;\n\t// otherwise choose the point of the minimum angle with the ray as connection point\n\n\tconst stop = m,\n\t\tmx = m.x,\n\t\tmy = m.y;\n\tlet tanMin = Infinity, tan;\n\n\tp = m;\n\n\tdo {\n\n\t\tif ( hx >= p.x && p.x >= mx && hx !== p.x &&\n\t\t\t\tpointInTriangle( hy < my ? hx : qx, hy, mx, my, hy < my ? qx : hx, hy, p.x, p.y ) ) {\n\n\t\t\ttan = Math.abs( hy - p.y ) / ( hx - p.x ); // tangential\n\n\t\t\tif ( locallyInside( p, hole ) && ( tan < tanMin || ( tan === tanMin && ( p.x > m.x || ( p.x === m.x && sectorContainsSector( m, p ) ) ) ) ) ) {\n\n\t\t\t\tm = p;\n\t\t\t\ttanMin = tan;\n\n\t\t\t}\n\n\t\t}\n\n\t\tp = p.next;\n\n\t} while ( p !== stop );\n\n\treturn m;\n\n}\n\n// whether sector in vertex m contains sector in vertex p in the same coordinates\nfunction sectorContainsSector( m, p ) {\n\n\treturn area( m.prev, m, p.prev ) < 0 && area( p.next, m, m.next ) < 0;\n\n}\n\n// interlink polygon nodes in z-order\nfunction indexCurve( start, minX, minY, invSize ) {\n\n\tlet p = start;\n\tdo {\n\n\t\tif ( p.z === null ) p.z = zOrder( p.x, p.y, minX, minY, invSize );\n\t\tp.prevZ = p.prev;\n\t\tp.nextZ = p.next;\n\t\tp = p.next;\n\n\t} while ( p !== start );\n\n\tp.prevZ.nextZ = null;\n\tp.prevZ = null;\n\n\tsortLinked( p );\n\n}\n\n// Simon Tatham's linked list merge sort algorithm\n// http://www.chiark.greenend.org.uk/~sgtatham/algorithms/listsort.html\nfunction sortLinked( list ) {\n\n\tlet i, p, q, e, tail, numMerges, pSize, qSize,\n\t\tinSize = 1;\n\n\tdo {\n\n\t\tp = list;\n\t\tlist = null;\n\t\ttail = null;\n\t\tnumMerges = 0;\n\n\t\twhile ( p ) {\n\n\t\t\tnumMerges ++;\n\t\t\tq = p;\n\t\t\tpSize = 0;\n\t\t\tfor ( i = 0; i < inSize; i ++ ) {\n\n\t\t\t\tpSize ++;\n\t\t\t\tq = q.nextZ;\n\t\t\t\tif ( ! q ) break;\n\n\t\t\t}\n\n\t\t\tqSize = inSize;\n\n\t\t\twhile ( pSize > 0 || ( qSize > 0 && q ) ) {\n\n\t\t\t\tif ( pSize !== 0 && ( qSize === 0 || ! q || p.z <= q.z ) ) {\n\n\t\t\t\t\te = p;\n\t\t\t\t\tp = p.nextZ;\n\t\t\t\t\tpSize --;\n\n\t\t\t\t} else {\n\n\t\t\t\t\te = q;\n\t\t\t\t\tq = q.nextZ;\n\t\t\t\t\tqSize --;\n\n\t\t\t\t}\n\n\t\t\t\tif ( tail ) tail.nextZ = e;\n\t\t\t\telse list = e;\n\n\t\t\t\te.prevZ = tail;\n\t\t\t\ttail = e;\n\n\t\t\t}\n\n\t\t\tp = q;\n\n\t\t}\n\n\t\ttail.nextZ = null;\n\t\tinSize *= 2;\n\n\t} while ( numMerges > 1 );\n\n\treturn list;\n\n}\n\n// z-order of a point given coords and inverse of the longer side of data bbox\nfunction zOrder( x, y, minX, minY, invSize ) {\n\n\t// coords are transformed into non-negative 15-bit integer range\n\tx = 32767 * ( x - minX ) * invSize;\n\ty = 32767 * ( y - minY ) * invSize;\n\n\tx = ( x | ( x << 8 ) ) & 0x00FF00FF;\n\tx = ( x | ( x << 4 ) ) & 0x0F0F0F0F;\n\tx = ( x | ( x << 2 ) ) & 0x33333333;\n\tx = ( x | ( x << 1 ) ) & 0x55555555;\n\n\ty = ( y | ( y << 8 ) ) & 0x00FF00FF;\n\ty = ( y | ( y << 4 ) ) & 0x0F0F0F0F;\n\ty = ( y | ( y << 2 ) ) & 0x33333333;\n\ty = ( y | ( y << 1 ) ) & 0x55555555;\n\n\treturn x | ( y << 1 );\n\n}\n\n// find the leftmost node of a polygon ring\nfunction getLeftmost( start ) {\n\n\tlet p = start,\n\t\tleftmost = start;\n\tdo {\n\n\t\tif ( p.x < leftmost.x || ( p.x === leftmost.x && p.y < leftmost.y ) ) leftmost = p;\n\t\tp = p.next;\n\n\t} while ( p !== start );\n\n\treturn leftmost;\n\n}\n\n// check if a point lies within a convex triangle\nfunction pointInTriangle( ax, ay, bx, by, cx, cy, px, py ) {\n\n\treturn ( cx - px ) * ( ay - py ) - ( ax - px ) * ( cy - py ) >= 0 &&\n\t\t\t( ax - px ) * ( by - py ) - ( bx - px ) * ( ay - py ) >= 0 &&\n\t\t\t( bx - px ) * ( cy - py ) - ( cx - px ) * ( by - py ) >= 0;\n\n}\n\n// check if a diagonal between two polygon nodes is valid (lies in polygon interior)\nfunction isValidDiagonal( a, b ) {\n\n\treturn a.next.i !== b.i && a.prev.i !== b.i && ! intersectsPolygon( a, b ) && // dones't intersect other edges\n\t\t( locallyInside( a, b ) && locallyInside( b, a ) && middleInside( a, b ) && // locally visible\n\t\t( area( a.prev, a, b.prev ) || area( a, b.prev, b ) ) || // does not create opposite-facing sectors\n\t\tequals( a, b ) && area( a.prev, a, a.next ) > 0 && area( b.prev, b, b.next ) > 0 ); // special zero-length case\n\n}\n\n// signed area of a triangle\nfunction area( p, q, r ) {\n\n\treturn ( q.y - p.y ) * ( r.x - q.x ) - ( q.x - p.x ) * ( r.y - q.y );\n\n}\n\n// check if two points are equal\nfunction equals( p1, p2 ) {\n\n\treturn p1.x === p2.x && p1.y === p2.y;\n\n}\n\n// check if two segments intersect\nfunction intersects( p1, q1, p2, q2 ) {\n\n\tconst o1 = sign( area( p1, q1, p2 ) );\n\tconst o2 = sign( area( p1, q1, q2 ) );\n\tconst o3 = sign( area( p2, q2, p1 ) );\n\tconst o4 = sign( area( p2, q2, q1 ) );\n\n\tif ( o1 !== o2 && o3 !== o4 ) return true; // general case\n\n\tif ( o1 === 0 && onSegment( p1, p2, q1 ) ) return true; // p1, q1 and p2 are collinear and p2 lies on p1q1\n\tif ( o2 === 0 && onSegment( p1, q2, q1 ) ) return true; // p1, q1 and q2 are collinear and q2 lies on p1q1\n\tif ( o3 === 0 && onSegment( p2, p1, q2 ) ) return true; // p2, q2 and p1 are collinear and p1 lies on p2q2\n\tif ( o4 === 0 && onSegment( p2, q1, q2 ) ) return true; // p2, q2 and q1 are collinear and q1 lies on p2q2\n\n\treturn false;\n\n}\n\n// for collinear points p, q, r, check if point q lies on segment pr\nfunction onSegment( p, q, r ) {\n\n\treturn q.x <= Math.max( p.x, r.x ) && q.x >= Math.min( p.x, r.x ) && q.y <= Math.max( p.y, r.y ) && q.y >= Math.min( p.y, r.y );\n\n}\n\nfunction sign( num ) {\n\n\treturn num > 0 ? 1 : num < 0 ? - 1 : 0;\n\n}\n\n// check if a polygon diagonal intersects any polygon segments\nfunction intersectsPolygon( a, b ) {\n\n\tlet p = a;\n\tdo {\n\n\t\tif ( p.i !== a.i && p.next.i !== a.i && p.i !== b.i && p.next.i !== b.i &&\n\t\t\t\tintersects( p, p.next, a, b ) ) return true;\n\t\tp = p.next;\n\n\t} while ( p !== a );\n\n\treturn false;\n\n}\n\n// check if a polygon diagonal is locally inside the polygon\nfunction locallyInside( a, b ) {\n\n\treturn area( a.prev, a, a.next ) < 0 ?\n\t\tarea( a, b, a.next ) >= 0 && area( a, a.prev, b ) >= 0 :\n\t\tarea( a, b, a.prev ) < 0 || area( a, a.next, b ) < 0;\n\n}\n\n// check if the middle point of a polygon diagonal is inside the polygon\nfunction middleInside( a, b ) {\n\n\tlet p = a,\n\t\tinside = false;\n\tconst px = ( a.x + b.x ) / 2,\n\t\tpy = ( a.y + b.y ) / 2;\n\tdo {\n\n\t\tif ( ( ( p.y > py ) !== ( p.next.y > py ) ) && p.next.y !== p.y &&\n\t\t\t\t( px < ( p.next.x - p.x ) * ( py - p.y ) / ( p.next.y - p.y ) + p.x ) )\n\t\t\tinside = ! inside;\n\t\tp = p.next;\n\n\t} while ( p !== a );\n\n\treturn inside;\n\n}\n\n// link two polygon vertices with a bridge; if the vertices belong to the same ring, it splits polygon into two;\n// if one belongs to the outer ring and another to a hole, it merges it into a single ring\nfunction splitPolygon( a, b ) {\n\n\tconst a2 = new Node( a.i, a.x, a.y ),\n\t\tb2 = new Node( b.i, b.x, b.y ),\n\t\tan = a.next,\n\t\tbp = b.prev;\n\n\ta.next = b;\n\tb.prev = a;\n\n\ta2.next = an;\n\tan.prev = a2;\n\n\tb2.next = a2;\n\ta2.prev = b2;\n\n\tbp.next = b2;\n\tb2.prev = bp;\n\n\treturn b2;\n\n}\n\n// create a node and optionally link it with previous one (in a circular doubly linked list)\nfunction insertNode( i, x, y, last ) {\n\n\tconst p = new Node( i, x, y );\n\n\tif ( ! last ) {\n\n\t\tp.prev = p;\n\t\tp.next = p;\n\n\t} else {\n\n\t\tp.next = last.next;\n\t\tp.prev = last;\n\t\tlast.next.prev = p;\n\t\tlast.next = p;\n\n\t}\n\n\treturn p;\n\n}\n\nfunction removeNode( p ) {\n\n\tp.next.prev = p.prev;\n\tp.prev.next = p.next;\n\n\tif ( p.prevZ ) p.prevZ.nextZ = p.nextZ;\n\tif ( p.nextZ ) p.nextZ.prevZ = p.prevZ;\n\n}\n\nfunction Node( i, x, y ) {\n\n\t// vertex index in coordinates array\n\tthis.i = i;\n\n\t// vertex coordinates\n\tthis.x = x;\n\tthis.y = y;\n\n\t// previous and next vertex nodes in a polygon ring\n\tthis.prev = null;\n\tthis.next = null;\n\n\t// z-order curve value\n\tthis.z = null;\n\n\t// previous and next nodes in z-order\n\tthis.prevZ = null;\n\tthis.nextZ = null;\n\n\t// indicates whether this is a steiner point\n\tthis.steiner = false;\n\n}\n\nfunction signedArea( data, start, end, dim ) {\n\n\tlet sum = 0;\n\tfor ( let i = start, j = end - dim; i < end; i += dim ) {\n\n\t\tsum += ( data[ j ] - data[ i ] ) * ( data[ i + 1 ] + data[ j + 1 ] );\n\t\tj = i;\n\n\t}\n\n\treturn sum;\n\n}\n\nclass ShapeUtils {\n\n\t// calculate area of the contour polygon\n\n\tstatic area( contour ) {\n\n\t\tconst n = contour.length;\n\t\tlet a = 0.0;\n\n\t\tfor ( let p = n - 1, q = 0; q < n; p = q ++ ) {\n\n\t\t\ta += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y;\n\n\t\t}\n\n\t\treturn a * 0.5;\n\n\t}\n\n\tstatic isClockWise( pts ) {\n\n\t\treturn ShapeUtils.area( pts ) < 0;\n\n\t}\n\n\tstatic triangulateShape( contour, holes ) {\n\n\t\tconst vertices = []; // flat array of vertices like [ x0,y0, x1,y1, x2,y2, ... ]\n\t\tconst holeIndices = []; // array of hole indices\n\t\tconst faces = []; // final array of vertex indices like [ [ a,b,d ], [ b,c,d ] ]\n\n\t\tremoveDupEndPts( contour );\n\t\taddContour( vertices, contour );\n\n\t\t//\n\n\t\tlet holeIndex = contour.length;\n\n\t\tholes.forEach( removeDupEndPts );\n\n\t\tfor ( let i = 0; i < holes.length; i ++ ) {\n\n\t\t\tholeIndices.push( holeIndex );\n\t\t\tholeIndex += holes[ i ].length;\n\t\t\taddContour( vertices, holes[ i ] );\n\n\t\t}\n\n\t\t//\n\n\t\tconst triangles = Earcut.triangulate( vertices, holeIndices );\n\n\t\t//\n\n\t\tfor ( let i = 0; i < triangles.length; i += 3 ) {\n\n\t\t\tfaces.push( triangles.slice( i, i + 3 ) );\n\n\t\t}\n\n\t\treturn faces;\n\n\t}\n\n}\n\nfunction removeDupEndPts( points ) {\n\n\tconst l = points.length;\n\n\tif ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) {\n\n\t\tpoints.pop();\n\n\t}\n\n}\n\nfunction addContour( vertices, contour ) {\n\n\tfor ( let i = 0; i < contour.length; i ++ ) {\n\n\t\tvertices.push( contour[ i ].x );\n\t\tvertices.push( contour[ i ].y );\n\n\t}\n\n}\n\n/**\n * Creates extruded geometry from a path shape.\n *\n * parameters = {\n *\n * curveSegments: , // number of points on the curves\n * steps: , // number of points for z-side extrusions / used for subdividing segments of extrude spline too\n * depth: , // Depth to extrude the shape\n *\n * bevelEnabled: , // turn on bevel\n * bevelThickness: , // how deep into the original shape bevel goes\n * bevelSize: , // how far from shape outline (including bevelOffset) is bevel\n * bevelOffset: , // how far from shape outline does bevel start\n * bevelSegments: , // number of bevel layers\n *\n * extrudePath: // curve to extrude shape along\n *\n * UVGenerator: // object that provides UV generator functions\n *\n * }\n */\n\nclass ExtrudeGeometry extends BufferGeometry {\n\n\tconstructor( shapes = new Shape( [ new Vector2( 0.5, 0.5 ), new Vector2( - 0.5, 0.5 ), new Vector2( - 0.5, - 0.5 ), new Vector2( 0.5, - 0.5 ) ] ), options = {} ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ExtrudeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tshapes: shapes,\n\t\t\toptions: options\n\t\t};\n\n\t\tshapes = Array.isArray( shapes ) ? shapes : [ shapes ];\n\n\t\tconst scope = this;\n\n\t\tconst verticesArray = [];\n\t\tconst uvArray = [];\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\t\t\taddShape( shape );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( verticesArray, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvArray, 2 ) );\n\n\t\tthis.computeVertexNormals();\n\n\t\t// functions\n\n\t\tfunction addShape( shape ) {\n\n\t\t\tconst placeholder = [];\n\n\t\t\t// options\n\n\t\t\tconst curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\t\t\tconst steps = options.steps !== undefined ? options.steps : 1;\n\t\t\tlet depth = options.depth !== undefined ? options.depth : 1;\n\n\t\t\tlet bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true;\n\t\t\tlet bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 0.2;\n\t\t\tlet bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 0.1;\n\t\t\tlet bevelOffset = options.bevelOffset !== undefined ? options.bevelOffset : 0;\n\t\t\tlet bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3;\n\n\t\t\tconst extrudePath = options.extrudePath;\n\n\t\t\tconst uvgen = options.UVGenerator !== undefined ? options.UVGenerator : WorldUVGenerator;\n\n\t\t\t// deprecated options\n\n\t\t\tif ( options.amount !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ExtrudeBufferGeometry: amount has been renamed to depth.' );\n\t\t\t\tdepth = options.amount;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tlet extrudePts, extrudeByPath = false;\n\t\t\tlet splineTube, binormal, normal, position2;\n\n\t\t\tif ( extrudePath ) {\n\n\t\t\t\textrudePts = extrudePath.getSpacedPoints( steps );\n\n\t\t\t\textrudeByPath = true;\n\t\t\t\tbevelEnabled = false; // bevels not supported for path extrusion\n\n\t\t\t\t// SETUP TNB variables\n\n\t\t\t\t// TODO1 - have a .isClosed in spline?\n\n\t\t\t\tsplineTube = extrudePath.computeFrenetFrames( steps, false );\n\n\t\t\t\t// console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length);\n\n\t\t\t\tbinormal = new Vector3();\n\t\t\t\tnormal = new Vector3();\n\t\t\t\tposition2 = new Vector3();\n\n\t\t\t}\n\n\t\t\t// Safeguards if bevels are not enabled\n\n\t\t\tif ( ! bevelEnabled ) {\n\n\t\t\t\tbevelSegments = 0;\n\t\t\t\tbevelThickness = 0;\n\t\t\t\tbevelSize = 0;\n\t\t\t\tbevelOffset = 0;\n\n\t\t\t}\n\n\t\t\t// Variables initialization\n\n\t\t\tconst shapePoints = shape.extractPoints( curveSegments );\n\n\t\t\tlet vertices = shapePoints.shape;\n\t\t\tconst holes = shapePoints.holes;\n\n\t\t\tconst reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\t\tif ( reverse ) {\n\n\t\t\t\tvertices = vertices.reverse();\n\n\t\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe ...\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\t\tif ( ShapeUtils.isClockWise( ahole ) ) {\n\n\t\t\t\t\t\tholes[ h ] = ahole.reverse();\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\tconst faces = ShapeUtils.triangulateShape( vertices, holes );\n\n\t\t\t/* Vertices */\n\n\t\t\tconst contour = vertices; // vertices has all points but contour has only points of circumference\n\n\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\tvertices = vertices.concat( ahole );\n\n\t\t\t}\n\n\n\t\t\tfunction scalePt2( pt, vec, size ) {\n\n\t\t\t\tif ( ! vec ) console.error( 'THREE.ExtrudeGeometry: vec does not exist' );\n\n\t\t\t\treturn vec.clone().multiplyScalar( size ).add( pt );\n\n\t\t\t}\n\n\t\t\tconst vlen = vertices.length, flen = faces.length;\n\n\n\t\t\t// Find directions for point movement\n\n\n\t\t\tfunction getBevelVec( inPt, inPrev, inNext ) {\n\n\t\t\t\t// computes for inPt the corresponding point inPt' on a new contour\n\t\t\t\t// shifted by 1 unit (length of normalized vector) to the left\n\t\t\t\t// if we walk along contour clockwise, this new contour is outside the old one\n\t\t\t\t//\n\t\t\t\t// inPt' is the intersection of the two lines parallel to the two\n\t\t\t\t// adjacent edges of inPt at a distance of 1 unit on the left side.\n\n\t\t\t\tlet v_trans_x, v_trans_y, shrink_by; // resulting translation vector for inPt\n\n\t\t\t\t// good reading for geometry algorithms (here: line-line intersection)\n\t\t\t\t// http://geomalgorithms.com/a05-_intersect-1.html\n\n\t\t\t\tconst v_prev_x = inPt.x - inPrev.x,\n\t\t\t\t\tv_prev_y = inPt.y - inPrev.y;\n\t\t\t\tconst v_next_x = inNext.x - inPt.x,\n\t\t\t\t\tv_next_y = inNext.y - inPt.y;\n\n\t\t\t\tconst v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y );\n\n\t\t\t\t// check for collinear edges\n\t\t\t\tconst collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\tif ( Math.abs( collinear0 ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not collinear\n\n\t\t\t\t\t// length of vectors for normalizing\n\n\t\t\t\t\tconst v_prev_len = Math.sqrt( v_prev_lensq );\n\t\t\t\t\tconst v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y );\n\n\t\t\t\t\t// shift adjacent points by unit vectors to the left\n\n\t\t\t\t\tconst ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len );\n\t\t\t\t\tconst ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len );\n\n\t\t\t\t\tconst ptNextShift_x = ( inNext.x - v_next_y / v_next_len );\n\t\t\t\t\tconst ptNextShift_y = ( inNext.y + v_next_x / v_next_len );\n\n\t\t\t\t\t// scaling factor for v_prev to intersection point\n\n\t\t\t\t\tconst sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y -\n\t\t\t\t\t\t\t( ptNextShift_y - ptPrevShift_y ) * v_next_x ) /\n\t\t\t\t\t\t( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\t\t// vector from inPt to intersection point\n\n\t\t\t\t\tv_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x );\n\t\t\t\t\tv_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y );\n\n\t\t\t\t\t// Don't normalize!, otherwise sharp corners become ugly\n\t\t\t\t\t// but prevent crazy spikes\n\t\t\t\t\tconst v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y );\n\t\t\t\t\tif ( v_trans_lensq <= 2 ) {\n\n\t\t\t\t\t\treturn new Vector2( v_trans_x, v_trans_y );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_trans_lensq / 2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// handle special case of collinear edges\n\n\t\t\t\t\tlet direction_eq = false; // assumes: opposite\n\n\t\t\t\t\tif ( v_prev_x > Number.EPSILON ) {\n\n\t\t\t\t\t\tif ( v_next_x > Number.EPSILON ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( v_prev_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\tif ( v_next_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) {\n\n\t\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( direction_eq ) {\n\n\t\t\t\t\t\t// console.log(\"Warning: lines are a straight sequence\");\n\t\t\t\t\t\tv_trans_x = - v_prev_y;\n\t\t\t\t\t\tv_trans_y = v_prev_x;\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// console.log(\"Warning: lines are a straight spike\");\n\t\t\t\t\t\tv_trans_x = v_prev_x;\n\t\t\t\t\t\tv_trans_y = v_prev_y;\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq / 2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn new Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by );\n\n\t\t\t}\n\n\n\t\t\tconst contourMovements = [];\n\n\t\t\tfor ( let i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t// (j)---(i)---(k)\n\t\t\t\t// console.log('i,j,k', i, j , k)\n\n\t\t\t\tcontourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] );\n\n\t\t\t}\n\n\t\t\tconst holesMovements = [];\n\t\t\tlet oneHoleMovements, verticesMovements = contourMovements.concat();\n\n\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\toneHoleMovements = [];\n\n\t\t\t\tfor ( let i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t\t// (j)---(i)---(k)\n\t\t\t\t\toneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] );\n\n\t\t\t\t}\n\n\t\t\t\tholesMovements.push( oneHoleMovements );\n\t\t\t\tverticesMovements = verticesMovements.concat( oneHoleMovements );\n\n\t\t\t}\n\n\n\t\t\t// Loop bevelSegments, 1 for the front, 1 for the back\n\n\t\t\tfor ( let b = 0; b < bevelSegments; b ++ ) {\n\n\t\t\t\t//for ( b = bevelSegments; b > 0; b -- ) {\n\n\t\t\t\tconst t = b / bevelSegments;\n\t\t\t\tconst z = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\t\tconst bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset;\n\n\t\t\t\t// contract shape\n\n\t\t\t\tfor ( let i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst vert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\n\t\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t\t}\n\n\t\t\t\t// expand holes\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\t\tfor ( let i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst bs = bevelSize + bevelOffset;\n\n\t\t\t// Back facing vertices\n\n\t\t\tfor ( let i = 0; i < vlen; i ++ ) {\n\n\t\t\t\tconst vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\tv( vert.x, vert.y, 0 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x );\n\n\t\t\t\t\tnormal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x );\n\t\t\t\t\tbinormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\tposition2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal );\n\n\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Add stepped vertices...\n\t\t\t// Including front facing vertices\n\n\t\t\tfor ( let s = 1; s <= steps; s ++ ) {\n\n\t\t\t\tfor ( let i = 0; i < vlen; i ++ ) {\n\n\t\t\t\t\tconst vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\tv( vert.x, vert.y, depth / steps * s );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x );\n\n\t\t\t\t\t\tnormal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x );\n\t\t\t\t\t\tbinormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\t\tposition2.copy( extrudePts[ s ] ).add( normal ).add( binormal );\n\n\t\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\t// Add bevel segments planes\n\n\t\t\t//for ( b = 1; b <= bevelSegments; b ++ ) {\n\t\t\tfor ( let b = bevelSegments - 1; b >= 0; b -- ) {\n\n\t\t\t\tconst t = b / bevelSegments;\n\t\t\t\tconst z = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\t\tconst bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset;\n\n\t\t\t\t// contract shape\n\n\t\t\t\tfor ( let i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst vert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\t\t\t\t\tv( vert.x, vert.y, depth + z );\n\n\t\t\t\t}\n\n\t\t\t\t// expand holes\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\t\tfor ( let i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\t\tv( vert.x, vert.y, depth + z );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tv( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t/* Faces */\n\n\t\t\t// Top and bottom faces\n\n\t\t\tbuildLidFaces();\n\n\t\t\t// Sides faces\n\n\t\t\tbuildSideFaces();\n\n\n\t\t\t///// Internal functions\n\n\t\t\tfunction buildLidFaces() {\n\n\t\t\t\tconst start = verticesArray.length / 3;\n\n\t\t\t\tif ( bevelEnabled ) {\n\n\t\t\t\t\tlet layer = 0; // steps + 1\n\t\t\t\t\tlet offset = vlen * layer;\n\n\t\t\t\t\t// Bottom faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tlayer = steps + bevelSegments * 2;\n\t\t\t\t\toffset = vlen * layer;\n\n\t\t\t\t\t// Top faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Bottom faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 2 ], face[ 1 ], face[ 0 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Top faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tscope.addGroup( start, verticesArray.length / 3 - start, 0 );\n\n\t\t\t}\n\n\t\t\t// Create faces for the z-sides of the shape\n\n\t\t\tfunction buildSideFaces() {\n\n\t\t\t\tconst start = verticesArray.length / 3;\n\t\t\t\tlet layeroffset = 0;\n\t\t\t\tsidewalls( contour, layeroffset );\n\t\t\t\tlayeroffset += contour.length;\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\tsidewalls( ahole, layeroffset );\n\n\t\t\t\t\t//, true\n\t\t\t\t\tlayeroffset += ahole.length;\n\n\t\t\t\t}\n\n\n\t\t\t\tscope.addGroup( start, verticesArray.length / 3 - start, 1 );\n\n\n\t\t\t}\n\n\t\t\tfunction sidewalls( contour, layeroffset ) {\n\n\t\t\t\tlet i = contour.length;\n\n\t\t\t\twhile ( -- i >= 0 ) {\n\n\t\t\t\t\tconst j = i;\n\t\t\t\t\tlet k = i - 1;\n\t\t\t\t\tif ( k < 0 ) k = contour.length - 1;\n\n\t\t\t\t\t//console.log('b', i,j, i-1, k,vertices.length);\n\n\t\t\t\t\tfor ( let s = 0, sl = ( steps + bevelSegments * 2 ); s < sl; s ++ ) {\n\n\t\t\t\t\t\tconst slen1 = vlen * s;\n\t\t\t\t\t\tconst slen2 = vlen * ( s + 1 );\n\n\t\t\t\t\t\tconst a = layeroffset + j + slen1,\n\t\t\t\t\t\t\tb = layeroffset + k + slen1,\n\t\t\t\t\t\t\tc = layeroffset + k + slen2,\n\t\t\t\t\t\t\td = layeroffset + j + slen2;\n\n\t\t\t\t\t\tf4( a, b, c, d );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction v( x, y, z ) {\n\n\t\t\t\tplaceholder.push( x );\n\t\t\t\tplaceholder.push( y );\n\t\t\t\tplaceholder.push( z );\n\n\t\t\t}\n\n\n\t\t\tfunction f3( a, b, c ) {\n\n\t\t\t\taddVertex( a );\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( c );\n\n\t\t\t\tconst nextIndex = verticesArray.length / 3;\n\t\t\t\tconst uvs = uvgen.generateTopUV( scope, verticesArray, nextIndex - 3, nextIndex - 2, nextIndex - 1 );\n\n\t\t\t\taddUV( uvs[ 0 ] );\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 2 ] );\n\n\t\t\t}\n\n\t\t\tfunction f4( a, b, c, d ) {\n\n\t\t\t\taddVertex( a );\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( d );\n\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( c );\n\t\t\t\taddVertex( d );\n\n\n\t\t\t\tconst nextIndex = verticesArray.length / 3;\n\t\t\t\tconst uvs = uvgen.generateSideWallUV( scope, verticesArray, nextIndex - 6, nextIndex - 3, nextIndex - 2, nextIndex - 1 );\n\n\t\t\t\taddUV( uvs[ 0 ] );\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 3 ] );\n\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 2 ] );\n\t\t\t\taddUV( uvs[ 3 ] );\n\n\t\t\t}\n\n\t\t\tfunction addVertex( index ) {\n\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 0 ] );\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 1 ] );\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 2 ] );\n\n\t\t\t}\n\n\n\t\t\tfunction addUV( vector2 ) {\n\n\t\t\t\tuvArray.push( vector2.x );\n\t\t\t\tuvArray.push( vector2.y );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tconst shapes = this.parameters.shapes;\n\t\tconst options = this.parameters.options;\n\n\t\treturn toJSON$1( shapes, options, data );\n\n\t}\n\n\tstatic fromJSON( data, shapes ) {\n\n\t\tconst geometryShapes = [];\n\n\t\tfor ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) {\n\n\t\t\tconst shape = shapes[ data.shapes[ j ] ];\n\n\t\t\tgeometryShapes.push( shape );\n\n\t\t}\n\n\t\tconst extrudePath = data.options.extrudePath;\n\n\t\tif ( extrudePath !== undefined ) {\n\n\t\t\tdata.options.extrudePath = new Curves[ extrudePath.type ]().fromJSON( extrudePath );\n\n\t\t}\n\n\t\treturn new ExtrudeGeometry( geometryShapes, data.options );\n\n\t}\n\n}\n\nconst WorldUVGenerator = {\n\n\tgenerateTopUV: function ( geometry, vertices, indexA, indexB, indexC ) {\n\n\t\tconst a_x = vertices[ indexA * 3 ];\n\t\tconst a_y = vertices[ indexA * 3 + 1 ];\n\t\tconst b_x = vertices[ indexB * 3 ];\n\t\tconst b_y = vertices[ indexB * 3 + 1 ];\n\t\tconst c_x = vertices[ indexC * 3 ];\n\t\tconst c_y = vertices[ indexC * 3 + 1 ];\n\n\t\treturn [\n\t\t\tnew Vector2( a_x, a_y ),\n\t\t\tnew Vector2( b_x, b_y ),\n\t\t\tnew Vector2( c_x, c_y )\n\t\t];\n\n\t},\n\n\tgenerateSideWallUV: function ( geometry, vertices, indexA, indexB, indexC, indexD ) {\n\n\t\tconst a_x = vertices[ indexA * 3 ];\n\t\tconst a_y = vertices[ indexA * 3 + 1 ];\n\t\tconst a_z = vertices[ indexA * 3 + 2 ];\n\t\tconst b_x = vertices[ indexB * 3 ];\n\t\tconst b_y = vertices[ indexB * 3 + 1 ];\n\t\tconst b_z = vertices[ indexB * 3 + 2 ];\n\t\tconst c_x = vertices[ indexC * 3 ];\n\t\tconst c_y = vertices[ indexC * 3 + 1 ];\n\t\tconst c_z = vertices[ indexC * 3 + 2 ];\n\t\tconst d_x = vertices[ indexD * 3 ];\n\t\tconst d_y = vertices[ indexD * 3 + 1 ];\n\t\tconst d_z = vertices[ indexD * 3 + 2 ];\n\n\t\tif ( Math.abs( a_y - b_y ) < Math.abs( a_x - b_x ) ) {\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a_x, 1 - a_z ),\n\t\t\t\tnew Vector2( b_x, 1 - b_z ),\n\t\t\t\tnew Vector2( c_x, 1 - c_z ),\n\t\t\t\tnew Vector2( d_x, 1 - d_z )\n\t\t\t];\n\n\t\t} else {\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a_y, 1 - a_z ),\n\t\t\t\tnew Vector2( b_y, 1 - b_z ),\n\t\t\t\tnew Vector2( c_y, 1 - c_z ),\n\t\t\t\tnew Vector2( d_y, 1 - d_z )\n\t\t\t];\n\n\t\t}\n\n\t}\n\n};\n\nfunction toJSON$1( shapes, options, data ) {\n\n\tdata.shapes = [];\n\n\tif ( Array.isArray( shapes ) ) {\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\n\t\t\tdata.shapes.push( shape.uuid );\n\n\t\t}\n\n\t} else {\n\n\t\tdata.shapes.push( shapes.uuid );\n\n\t}\n\n\tif ( options.extrudePath !== undefined ) data.options.extrudePath = options.extrudePath.toJSON();\n\n\treturn data;\n\n}\n\nclass IcosahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\n\t\tconst vertices = [\n\t\t\t- 1, t, 0, \t1, t, 0, \t- 1, - t, 0, \t1, - t, 0,\n\t\t\t0, - 1, t, \t0, 1, t,\t0, - 1, - t, \t0, 1, - t,\n\t\t\tt, 0, - 1, \tt, 0, 1, \t- t, 0, - 1, \t- t, 0, 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t0, 11, 5, \t0, 5, 1, \t0, 1, 7, \t0, 7, 10, \t0, 10, 11,\n\t\t\t1, 5, 9, \t5, 11, 4,\t11, 10, 2,\t10, 7, 6,\t7, 1, 8,\n\t\t\t3, 9, 4, \t3, 4, 2,\t3, 2, 6,\t3, 6, 8,\t3, 8, 9,\n\t\t\t4, 9, 5, \t2, 4, 11,\t6, 2, 10,\t8, 6, 7,\t9, 8, 1\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'IcosahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new IcosahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nclass LatheGeometry extends BufferGeometry {\n\n\tconstructor( points = [ new Vector2( 0, 0.5 ), new Vector2( 0.5, 0 ), new Vector2( 0, - 0.5 ) ], segments = 12, phiStart = 0, phiLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LatheGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tsegments = Math.floor( segments );\n\n\t\t// clamp phiLength so it's in range of [ 0, 2PI ]\n\n\t\tphiLength = clamp( phiLength, 0, Math.PI * 2 );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst inverseSegments = 1.0 / segments;\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\n\t\t// generate vertices and uvs\n\n\t\tfor ( let i = 0; i <= segments; i ++ ) {\n\n\t\t\tconst phi = phiStart + i * inverseSegments * phiLength;\n\n\t\t\tconst sin = Math.sin( phi );\n\t\t\tconst cos = Math.cos( phi );\n\n\t\t\tfor ( let j = 0; j <= ( points.length - 1 ); j ++ ) {\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = points[ j ].x * sin;\n\t\t\t\tvertex.y = points[ j ].y;\n\t\t\t\tvertex.z = points[ j ].x * cos;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = i / segments;\n\t\t\t\tuv.y = j / ( points.length - 1 );\n\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\n\t\t\t}\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let i = 0; i < segments; i ++ ) {\n\n\t\t\tfor ( let j = 0; j < ( points.length - 1 ); j ++ ) {\n\n\t\t\t\tconst base = j + i * points.length;\n\n\t\t\t\tconst a = base;\n\t\t\t\tconst b = base + points.length;\n\t\t\t\tconst c = base + points.length + 1;\n\t\t\t\tconst d = base + 1;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\t// generate normals\n\n\t\tthis.computeVertexNormals();\n\n\t\t// if the geometry is closed, we need to average the normals along the seam.\n\t\t// because the corresponding vertices are identical (but still have different UVs).\n\n\t\tif ( phiLength === Math.PI * 2 ) {\n\n\t\t\tconst normals = this.attributes.normal.array;\n\t\t\tconst n1 = new Vector3();\n\t\t\tconst n2 = new Vector3();\n\t\t\tconst n = new Vector3();\n\n\t\t\t// this is the buffer offset for the last line of vertices\n\n\t\t\tconst base = segments * points.length * 3;\n\n\t\t\tfor ( let i = 0, j = 0; i < points.length; i ++, j += 3 ) {\n\n\t\t\t\t// select the normal of the vertex in the first line\n\n\t\t\t\tn1.x = normals[ j + 0 ];\n\t\t\t\tn1.y = normals[ j + 1 ];\n\t\t\t\tn1.z = normals[ j + 2 ];\n\n\t\t\t\t// select the normal of the vertex in the last line\n\n\t\t\t\tn2.x = normals[ base + j + 0 ];\n\t\t\t\tn2.y = normals[ base + j + 1 ];\n\t\t\t\tn2.z = normals[ base + j + 2 ];\n\n\t\t\t\t// average normals\n\n\t\t\t\tn.addVectors( n1, n2 ).normalize();\n\n\t\t\t\t// assign the new values to both normals\n\n\t\t\t\tnormals[ j + 0 ] = normals[ base + j + 0 ] = n.x;\n\t\t\t\tnormals[ j + 1 ] = normals[ base + j + 1 ] = n.y;\n\t\t\t\tnormals[ j + 2 ] = normals[ base + j + 2 ] = n.z;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new LatheGeometry( data.points, data.segments, data.phiStart, data.phiLength );\n\n\t}\n\n}\n\nclass OctahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst vertices = [\n\t\t\t1, 0, 0, \t- 1, 0, 0,\t0, 1, 0,\n\t\t\t0, - 1, 0, \t0, 0, 1,\t0, 0, - 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t0, 2, 4,\t0, 4, 3,\t0, 3, 5,\n\t\t\t0, 5, 2,\t1, 2, 5,\t1, 5, 3,\n\t\t\t1, 3, 4,\t1, 4, 2\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'OctahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new OctahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nclass RingGeometry extends BufferGeometry {\n\n\tconstructor( innerRadius = 0.5, outerRadius = 1, thetaSegments = 8, phiSegments = 1, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'RingGeometry';\n\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthetaSegments = Math.max( 3, thetaSegments );\n\t\tphiSegments = Math.max( 1, phiSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// some helper variables\n\n\t\tlet radius = innerRadius;\n\t\tconst radiusStep = ( ( outerRadius - innerRadius ) / phiSegments );\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let j = 0; j <= phiSegments; j ++ ) {\n\n\t\t\tfor ( let i = 0; i <= thetaSegments; i ++ ) {\n\n\t\t\t\t// values are generate from the inside of the ring to the outside\n\n\t\t\t\tconst segment = thetaStart + i / thetaSegments * thetaLength;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\t\tvertex.y = radius * Math.sin( segment );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = ( vertex.x / outerRadius + 1 ) / 2;\n\t\t\t\tuv.y = ( vertex.y / outerRadius + 1 ) / 2;\n\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t}\n\n\t\t\t// increase the radius for next row of vertices\n\n\t\t\tradius += radiusStep;\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let j = 0; j < phiSegments; j ++ ) {\n\n\t\t\tconst thetaSegmentLevel = j * ( thetaSegments + 1 );\n\n\t\t\tfor ( let i = 0; i < thetaSegments; i ++ ) {\n\n\t\t\t\tconst segment = i + thetaSegmentLevel;\n\n\t\t\t\tconst a = segment;\n\t\t\t\tconst b = segment + thetaSegments + 1;\n\t\t\t\tconst c = segment + thetaSegments + 2;\n\t\t\t\tconst d = segment + 1;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new RingGeometry( data.innerRadius, data.outerRadius, data.thetaSegments, data.phiSegments, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass ShapeGeometry extends BufferGeometry {\n\n\tconstructor( shapes = new Shape( [ new Vector2( 0, 0.5 ), new Vector2( - 0.5, - 0.5 ), new Vector2( 0.5, - 0.5 ) ] ), curveSegments = 12 ) {\n\n\t\tsuper();\n\t\tthis.type = 'ShapeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tshapes: shapes,\n\t\t\tcurveSegments: curveSegments\n\t\t};\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet groupStart = 0;\n\t\tlet groupCount = 0;\n\n\t\t// allow single and array values for \"shapes\" parameter\n\n\t\tif ( Array.isArray( shapes ) === false ) {\n\n\t\t\taddShape( shapes );\n\n\t\t} else {\n\n\t\t\tfor ( let i = 0; i < shapes.length; i ++ ) {\n\n\t\t\t\taddShape( shapes[ i ] );\n\n\t\t\t\tthis.addGroup( groupStart, groupCount, i ); // enables MultiMaterial support\n\n\t\t\t\tgroupStart += groupCount;\n\t\t\t\tgroupCount = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\n\t\t// helper functions\n\n\t\tfunction addShape( shape ) {\n\n\t\t\tconst indexOffset = vertices.length / 3;\n\t\t\tconst points = shape.extractPoints( curveSegments );\n\n\t\t\tlet shapeVertices = points.shape;\n\t\t\tconst shapeHoles = points.holes;\n\n\t\t\t// check direction of vertices\n\n\t\t\tif ( ShapeUtils.isClockWise( shapeVertices ) === false ) {\n\n\t\t\t\tshapeVertices = shapeVertices.reverse();\n\n\t\t\t}\n\n\t\t\tfor ( let i = 0, l = shapeHoles.length; i < l; i ++ ) {\n\n\t\t\t\tconst shapeHole = shapeHoles[ i ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( shapeHole ) === true ) {\n\n\t\t\t\t\tshapeHoles[ i ] = shapeHole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst faces = ShapeUtils.triangulateShape( shapeVertices, shapeHoles );\n\n\t\t\t// join vertices of inner and outer paths to a single array\n\n\t\t\tfor ( let i = 0, l = shapeHoles.length; i < l; i ++ ) {\n\n\t\t\t\tconst shapeHole = shapeHoles[ i ];\n\t\t\t\tshapeVertices = shapeVertices.concat( shapeHole );\n\n\t\t\t}\n\n\t\t\t// vertices, normals, uvs\n\n\t\t\tfor ( let i = 0, l = shapeVertices.length; i < l; i ++ ) {\n\n\t\t\t\tconst vertex = shapeVertices[ i ];\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, 0 );\n\t\t\t\tnormals.push( 0, 0, 1 );\n\t\t\t\tuvs.push( vertex.x, vertex.y ); // world uvs\n\n\t\t\t}\n\n\t\t\t// incides\n\n\t\t\tfor ( let i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tconst face = faces[ i ];\n\n\t\t\t\tconst a = face[ 0 ] + indexOffset;\n\t\t\t\tconst b = face[ 1 ] + indexOffset;\n\t\t\t\tconst c = face[ 2 ] + indexOffset;\n\n\t\t\t\tindices.push( a, b, c );\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tconst shapes = this.parameters.shapes;\n\n\t\treturn toJSON( shapes, data );\n\n\t}\n\n\tstatic fromJSON( data, shapes ) {\n\n\t\tconst geometryShapes = [];\n\n\t\tfor ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) {\n\n\t\t\tconst shape = shapes[ data.shapes[ j ] ];\n\n\t\t\tgeometryShapes.push( shape );\n\n\t\t}\n\n\t\treturn new ShapeGeometry( geometryShapes, data.curveSegments );\n\n\t}\n\n}\n\nfunction toJSON( shapes, data ) {\n\n\tdata.shapes = [];\n\n\tif ( Array.isArray( shapes ) ) {\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\n\t\t\tdata.shapes.push( shape.uuid );\n\n\t\t}\n\n\t} else {\n\n\t\tdata.shapes.push( shapes.uuid );\n\n\t}\n\n\treturn data;\n\n}\n\nclass SphereGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, widthSegments = 32, heightSegments = 16, phiStart = 0, phiLength = Math.PI * 2, thetaStart = 0, thetaLength = Math.PI ) {\n\n\t\tsuper();\n\t\tthis.type = 'SphereGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\twidthSegments = Math.max( 3, Math.floor( widthSegments ) );\n\t\theightSegments = Math.max( 2, Math.floor( heightSegments ) );\n\n\t\tconst thetaEnd = Math.min( thetaStart + thetaLength, Math.PI );\n\n\t\tlet index = 0;\n\t\tconst grid = [];\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let iy = 0; iy <= heightSegments; iy ++ ) {\n\n\t\t\tconst verticesRow = [];\n\n\t\t\tconst v = iy / heightSegments;\n\n\t\t\t// special case for the poles\n\n\t\t\tlet uOffset = 0;\n\n\t\t\tif ( iy == 0 && thetaStart == 0 ) {\n\n\t\t\t\tuOffset = 0.5 / widthSegments;\n\n\t\t\t} else if ( iy == heightSegments && thetaEnd == Math.PI ) {\n\n\t\t\t\tuOffset = - 0.5 / widthSegments;\n\n\t\t\t}\n\n\t\t\tfor ( let ix = 0; ix <= widthSegments; ix ++ ) {\n\n\t\t\t\tconst u = ix / widthSegments;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\t\t\t\tvertex.y = radius * Math.cos( thetaStart + v * thetaLength );\n\t\t\t\tvertex.z = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.copy( vertex ).normalize();\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( u + uOffset, 1 - v );\n\n\t\t\t\tverticesRow.push( index ++ );\n\n\t\t\t}\n\n\t\t\tgrid.push( verticesRow );\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let iy = 0; iy < heightSegments; iy ++ ) {\n\n\t\t\tfor ( let ix = 0; ix < widthSegments; ix ++ ) {\n\n\t\t\t\tconst a = grid[ iy ][ ix + 1 ];\n\t\t\t\tconst b = grid[ iy ][ ix ];\n\t\t\t\tconst c = grid[ iy + 1 ][ ix ];\n\t\t\t\tconst d = grid[ iy + 1 ][ ix + 1 ];\n\n\t\t\t\tif ( iy !== 0 || thetaStart > 0 ) indices.push( a, b, d );\n\t\t\t\tif ( iy !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new SphereGeometry( data.radius, data.widthSegments, data.heightSegments, data.phiStart, data.phiLength, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass TetrahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst vertices = [\n\t\t\t1, 1, 1, \t- 1, - 1, 1, \t- 1, 1, - 1, \t1, - 1, - 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t2, 1, 0, \t0, 3, 2,\t1, 3, 0,\t2, 3, 1\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'TetrahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new TetrahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nclass TorusGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, tube = 0.4, radialSegments = 8, tubularSegments = 6, arc = Math.PI * 2 ) {\n\n\t\tsuper();\n\t\tthis.type = 'TorusGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tradialSegments = Math.floor( radialSegments );\n\t\ttubularSegments = Math.floor( tubularSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst center = new Vector3();\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( let i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tconst u = i / tubularSegments * arc;\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u );\n\t\t\t\tvertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u );\n\t\t\t\tvertex.z = tube * Math.sin( v );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tcenter.x = radius * Math.cos( u );\n\t\t\t\tcenter.y = radius * Math.sin( u );\n\t\t\t\tnormal.subVectors( vertex, center ).normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( i / tubularSegments );\n\t\t\t\tuvs.push( j / radialSegments );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( let j = 1; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( let i = 1; i <= tubularSegments; i ++ ) {\n\n\t\t\t\t// indices\n\n\t\t\t\tconst a = ( tubularSegments + 1 ) * j + i - 1;\n\t\t\t\tconst b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1;\n\t\t\t\tconst c = ( tubularSegments + 1 ) * ( j - 1 ) + i;\n\t\t\t\tconst d = ( tubularSegments + 1 ) * j + i;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new TorusGeometry( data.radius, data.tube, data.radialSegments, data.tubularSegments, data.arc );\n\n\t}\n\n}\n\nclass TorusKnotGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, tube = 0.4, tubularSegments = 64, radialSegments = 8, p = 2, q = 3 ) {\n\n\t\tsuper();\n\t\tthis.type = 'TorusKnotGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\ttubularSegments = Math.floor( tubularSegments );\n\t\tradialSegments = Math.floor( radialSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\tconst P1 = new Vector3();\n\t\tconst P2 = new Vector3();\n\n\t\tconst B = new Vector3();\n\t\tconst T = new Vector3();\n\t\tconst N = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let i = 0; i <= tubularSegments; ++ i ) {\n\n\t\t\t// the radian \"u\" is used to calculate the position on the torus curve of the current tubular segement\n\n\t\t\tconst u = i / tubularSegments * p * Math.PI * 2;\n\n\t\t\t// now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead.\n\t\t\t// these points are used to create a special \"coordinate space\", which is necessary to calculate the correct vertex positions\n\n\t\t\tcalculatePositionOnCurve( u, p, q, radius, P1 );\n\t\t\tcalculatePositionOnCurve( u + 0.01, p, q, radius, P2 );\n\n\t\t\t// calculate orthonormal basis\n\n\t\t\tT.subVectors( P2, P1 );\n\t\t\tN.addVectors( P2, P1 );\n\t\t\tB.crossVectors( T, N );\n\t\t\tN.crossVectors( B, T );\n\n\t\t\t// normalize B, N. T can be ignored, we don't use it\n\n\t\t\tB.normalize();\n\t\t\tN.normalize();\n\n\t\t\tfor ( let j = 0; j <= radialSegments; ++ j ) {\n\n\t\t\t\t// now calculate the vertices. they are nothing more than an extrusion of the torus curve.\n\t\t\t\t// because we extrude a shape in the xy-plane, there is no need to calculate a z-value.\n\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\t\t\t\tconst cx = - tube * Math.cos( v );\n\t\t\t\tconst cy = tube * Math.sin( v );\n\n\t\t\t\t// now calculate the final vertex position.\n\t\t\t\t// first we orient the extrusion with our basis vectos, then we add it to the current position on the curve\n\n\t\t\t\tvertex.x = P1.x + ( cx * N.x + cy * B.x );\n\t\t\t\tvertex.y = P1.y + ( cx * N.y + cy * B.y );\n\t\t\t\tvertex.z = P1.z + ( cx * N.z + cy * B.z );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal)\n\n\t\t\t\tnormal.subVectors( vertex, P1 ).normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( i / tubularSegments );\n\t\t\t\tuvs.push( j / radialSegments );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( let j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\tfor ( let i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t// indices\n\n\t\t\t\tconst a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\tconst b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\tconst c = ( radialSegments + 1 ) * j + i;\n\t\t\t\tconst d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\t// this function calculates the current position on the torus curve\n\n\t\tfunction calculatePositionOnCurve( u, p, q, radius, position ) {\n\n\t\t\tconst cu = Math.cos( u );\n\t\t\tconst su = Math.sin( u );\n\t\t\tconst quOverP = q / p * u;\n\t\t\tconst cs = Math.cos( quOverP );\n\n\t\t\tposition.x = radius * ( 2 + cs ) * 0.5 * cu;\n\t\t\tposition.y = radius * ( 2 + cs ) * su * 0.5;\n\t\t\tposition.z = radius * Math.sin( quOverP ) * 0.5;\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new TorusKnotGeometry( data.radius, data.tube, data.tubularSegments, data.radialSegments, data.p, data.q );\n\n\t}\n\n}\n\nclass TubeGeometry extends BufferGeometry {\n\n\tconstructor( path = new QuadraticBezierCurve3( new Vector3( - 1, - 1, 0 ), new Vector3( - 1, 1, 0 ), new Vector3( 1, 1, 0 ) ), tubularSegments = 64, radius = 1, radialSegments = 8, closed = false ) {\n\n\t\tsuper();\n\t\tthis.type = 'TubeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\tconst frames = path.computeFrenetFrames( tubularSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = frames.tangents;\n\t\tthis.normals = frames.normals;\n\t\tthis.binormals = frames.binormals;\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\t\tconst uv = new Vector2();\n\t\tlet P = new Vector3();\n\n\t\t// buffer\n\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\t\tconst indices = [];\n\n\t\t// create buffer data\n\n\t\tgenerateBufferData();\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\t// functions\n\n\t\tfunction generateBufferData() {\n\n\t\t\tfor ( let i = 0; i < tubularSegments; i ++ ) {\n\n\t\t\t\tgenerateSegment( i );\n\n\t\t\t}\n\n\t\t\t// if the geometry is not closed, generate the last row of vertices and normals\n\t\t\t// at the regular position on the given path\n\t\t\t//\n\t\t\t// if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ)\n\n\t\t\tgenerateSegment( ( closed === false ) ? tubularSegments : 0 );\n\n\t\t\t// uvs are generated in a separate function.\n\t\t\t// this makes it easy compute correct values for closed geometries\n\n\t\t\tgenerateUVs();\n\n\t\t\t// finally create faces\n\n\t\t\tgenerateIndices();\n\n\t\t}\n\n\t\tfunction generateSegment( i ) {\n\n\t\t\t// we use getPointAt to sample evenly distributed points from the given path\n\n\t\t\tP = path.getPointAt( i / tubularSegments, P );\n\n\t\t\t// retrieve corresponding normal and binormal\n\n\t\t\tconst N = frames.normals[ i ];\n\t\t\tconst B = frames.binormals[ i ];\n\n\t\t\t// generate normals and vertices for the current segment\n\n\t\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\tconst sin = Math.sin( v );\n\t\t\t\tconst cos = - Math.cos( v );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.x = ( cos * N.x + sin * B.x );\n\t\t\t\tnormal.y = ( cos * N.y + sin * B.y );\n\t\t\t\tnormal.z = ( cos * N.z + sin * B.z );\n\t\t\t\tnormal.normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = P.x + radius * normal.x;\n\t\t\t\tvertex.y = P.y + radius * normal.y;\n\t\t\t\tvertex.z = P.z + radius * normal.z;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateIndices() {\n\n\t\t\tfor ( let j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\t\tfor ( let i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t\tconst a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\t\tconst b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\t\tconst c = ( radialSegments + 1 ) * j + i;\n\t\t\t\t\tconst d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tfor ( let i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\t\tuv.y = j / radialSegments;\n\n\t\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.path = this.parameters.path.toJSON();\n\n\t\treturn data;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\t// This only works for built-in curves (e.g. CatmullRomCurve3).\n\t\t// User defined curves or instances of CurvePath will not be deserialized.\n\t\treturn new TubeGeometry(\n\t\t\tnew Curves[ data.path.type ]().fromJSON( data.path ),\n\t\t\tdata.tubularSegments,\n\t\t\tdata.radius,\n\t\t\tdata.radialSegments,\n\t\t\tdata.closed\n\t\t);\n\n\t}\n\n}\n\nclass WireframeGeometry extends BufferGeometry {\n\n\tconstructor( geometry = null ) {\n\n\t\tsuper();\n\t\tthis.type = 'WireframeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tgeometry: geometry\n\t\t};\n\n\t\tif ( geometry !== null ) {\n\n\t\t\t// buffer\n\n\t\t\tconst vertices = [];\n\t\t\tconst edges = new Set();\n\n\t\t\t// helper variables\n\n\t\t\tconst start = new Vector3();\n\t\t\tconst end = new Vector3();\n\n\t\t\tif ( geometry.index !== null ) {\n\n\t\t\t\t// indexed BufferGeometry\n\n\t\t\t\tconst position = geometry.attributes.position;\n\t\t\t\tconst indices = geometry.index;\n\t\t\t\tlet groups = geometry.groups;\n\n\t\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\t\tgroups = [ { start: 0, count: indices.count, materialIndex: 0 } ];\n\n\t\t\t\t}\n\n\t\t\t\t// create a data structure that contains all eges without duplicates\n\n\t\t\t\tfor ( let o = 0, ol = groups.length; o < ol; ++ o ) {\n\n\t\t\t\t\tconst group = groups[ o ];\n\n\t\t\t\t\tconst groupStart = group.start;\n\t\t\t\t\tconst groupCount = group.count;\n\n\t\t\t\t\tfor ( let i = groupStart, l = ( groupStart + groupCount ); i < l; i += 3 ) {\n\n\t\t\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t\tconst index1 = indices.getX( i + j );\n\t\t\t\t\t\t\tconst index2 = indices.getX( i + ( j + 1 ) % 3 );\n\n\t\t\t\t\t\t\tstart.fromBufferAttribute( position, index1 );\n\t\t\t\t\t\t\tend.fromBufferAttribute( position, index2 );\n\n\t\t\t\t\t\t\tif ( isUniqueEdge( start, end, edges ) === true ) {\n\n\t\t\t\t\t\t\t\tvertices.push( start.x, start.y, start.z );\n\t\t\t\t\t\t\t\tvertices.push( end.x, end.y, end.z );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed BufferGeometry\n\n\t\t\t\tconst position = geometry.attributes.position;\n\n\t\t\t\tfor ( let i = 0, l = ( position.count / 3 ); i < l; i ++ ) {\n\n\t\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t// three edges per triangle, an edge is represented as (index1, index2)\n\t\t\t\t\t\t// e.g. the first triangle has the following edges: (0,1),(1,2),(2,0)\n\n\t\t\t\t\t\tconst index1 = 3 * i + j;\n\t\t\t\t\t\tconst index2 = 3 * i + ( ( j + 1 ) % 3 );\n\n\t\t\t\t\t\tstart.fromBufferAttribute( position, index1 );\n\t\t\t\t\t\tend.fromBufferAttribute( position, index2 );\n\n\t\t\t\t\t\tif ( isUniqueEdge( start, end, edges ) === true ) {\n\n\t\t\t\t\t\t\tvertices.push( start.x, start.y, start.z );\n\t\t\t\t\t\t\tvertices.push( end.x, end.y, end.z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// build geometry\n\n\t\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\n\t\t}\n\n\t}\n\n}\n\nfunction isUniqueEdge( start, end, edges ) {\n\n\tconst hash1 = `${start.x},${start.y},${start.z}-${end.x},${end.y},${end.z}`;\n\tconst hash2 = `${end.x},${end.y},${end.z}-${start.x},${start.y},${start.z}`; // coincident edge\n\n\tif ( edges.has( hash1 ) === true || edges.has( hash2 ) === true ) {\n\n\t\treturn false;\n\n\t} else {\n\n\t\tedges.add( hash1, hash2 );\n\t\treturn true;\n\n\t}\n\n}\n\nvar Geometries = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tBoxGeometry: BoxGeometry,\n\tBoxBufferGeometry: BoxGeometry,\n\tCircleGeometry: CircleGeometry,\n\tCircleBufferGeometry: CircleGeometry,\n\tConeGeometry: ConeGeometry,\n\tConeBufferGeometry: ConeGeometry,\n\tCylinderGeometry: CylinderGeometry,\n\tCylinderBufferGeometry: CylinderGeometry,\n\tDodecahedronGeometry: DodecahedronGeometry,\n\tDodecahedronBufferGeometry: DodecahedronGeometry,\n\tEdgesGeometry: EdgesGeometry,\n\tExtrudeGeometry: ExtrudeGeometry,\n\tExtrudeBufferGeometry: ExtrudeGeometry,\n\tIcosahedronGeometry: IcosahedronGeometry,\n\tIcosahedronBufferGeometry: IcosahedronGeometry,\n\tLatheGeometry: LatheGeometry,\n\tLatheBufferGeometry: LatheGeometry,\n\tOctahedronGeometry: OctahedronGeometry,\n\tOctahedronBufferGeometry: OctahedronGeometry,\n\tPlaneGeometry: PlaneGeometry,\n\tPlaneBufferGeometry: PlaneGeometry,\n\tPolyhedronGeometry: PolyhedronGeometry,\n\tPolyhedronBufferGeometry: PolyhedronGeometry,\n\tRingGeometry: RingGeometry,\n\tRingBufferGeometry: RingGeometry,\n\tShapeGeometry: ShapeGeometry,\n\tShapeBufferGeometry: ShapeGeometry,\n\tSphereGeometry: SphereGeometry,\n\tSphereBufferGeometry: SphereGeometry,\n\tTetrahedronGeometry: TetrahedronGeometry,\n\tTetrahedronBufferGeometry: TetrahedronGeometry,\n\tTorusGeometry: TorusGeometry,\n\tTorusBufferGeometry: TorusGeometry,\n\tTorusKnotGeometry: TorusKnotGeometry,\n\tTorusKnotBufferGeometry: TorusKnotGeometry,\n\tTubeGeometry: TubeGeometry,\n\tTubeBufferGeometry: TubeGeometry,\n\tWireframeGeometry: WireframeGeometry\n});\n\n/**\n * parameters = {\n * color: \n * }\n */\n\nclass ShadowMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ShadowMaterial';\n\n\t\tthis.color = new Color( 0x000000 );\n\t\tthis.transparent = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\treturn this;\n\n\t}\n\n}\n\nShadowMaterial.prototype.isShadowMaterial = true;\n\n/**\n * parameters = {\n * color: ,\n * roughness: ,\n * metalness: ,\n * opacity: ,\n *\n * map: new THREE.Texture( ),\n *\n * lightMap: new THREE.Texture( ),\n * lightMapIntensity: \n *\n * aoMap: new THREE.Texture( ),\n * aoMapIntensity: \n *\n * emissive: ,\n * emissiveIntensity: \n * emissiveMap: new THREE.Texture( ),\n *\n * bumpMap: new THREE.Texture( ),\n * bumpScale: ,\n *\n * normalMap: new THREE.Texture( ),\n * normalMapType: THREE.TangentSpaceNormalMap,\n * normalScale: ,\n *\n * displacementMap: new THREE.Texture( ),\n * displacementScale: ,\n * displacementBias: ,\n *\n * roughnessMap: new THREE.Texture( ),\n *\n * metalnessMap: new THREE.Texture( ),\n *\n * alphaMap: new THREE.Texture( ),\n *\n * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n * envMapIntensity: \n *\n * refractionRatio: ,\n *\n * wireframe: ,\n * wireframeLinewidth: ,\n *\n * flatShading: \n * }\n */\n\nclass MeshStandardMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.type = 'MeshStandardMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.roughness = 1.0;\n\t\tthis.metalness = 0.0;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.roughnessMap = null;\n\n\t\tthis.metalnessMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.envMapIntensity = 1.0;\n\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.flatShading = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.color.copy( source.color );\n\t\tthis.roughness = source.roughness;\n\t\tthis.metalness = source.metalness;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.roughnessMap = source.roughnessMap;\n\n\t\tthis.metalnessMap = source.metalnessMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapIntensity = source.envMapIntensity;\n\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshStandardMaterial.prototype.isMeshStandardMaterial = true;\n\n/**\n * parameters = {\n * clearcoat: ,\n * clearcoatMap: new THREE.Texture( ),\n * clearcoatRoughness: ,\n * clearcoatRoughnessMap: new THREE.Texture( ),\n * clearcoatNormalScale: ,\n * clearcoatNormalMap: new THREE.Texture( ),\n *\n * ior: ,\n * reflectivity: ,\n *\n * sheen: ,\n * sheenColor: ,\n * sheenColorMap: new THREE.Texture( ),\n * sheenRoughness: ,\n * sheenRoughnessMap: new THREE.Texture( ),\n *\n * transmission: ,\n * transmissionMap: new THREE.Texture( ),\n *\n * thickness: ,\n * thicknessMap: new THREE.Texture( ),\n * attenuationDistance: ,\n * attenuationColor: ,\n *\n * specularIntensity: ,\n * specularIntensityMap: new THREE.Texture( ),\n * specularColor: ,\n * specularColorMap: new THREE.Texture( )\n * }\n */\n\nclass MeshPhysicalMaterial extends MeshStandardMaterial {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.defines = {\n\n\t\t\t'STANDARD': '',\n\t\t\t'PHYSICAL': ''\n\n\t\t};\n\n\t\tthis.type = 'MeshPhysicalMaterial';\n\n\t\tthis.clearcoatMap = null;\n\t\tthis.clearcoatRoughness = 0.0;\n\t\tthis.clearcoatRoughnessMap = null;\n\t\tthis.clearcoatNormalScale = new Vector2( 1, 1 );\n\t\tthis.clearcoatNormalMap = null;\n\n\t\tthis.ior = 1.5;\n\n\t\tObject.defineProperty( this, 'reflectivity', {\n\t\t\tget: function () {\n\n\t\t\t\treturn ( clamp( 2.5 * ( this.ior - 1 ) / ( this.ior + 1 ), 0, 1 ) );\n\n\t\t\t},\n\t\t\tset: function ( reflectivity ) {\n\n\t\t\t\tthis.ior = ( 1 + 0.4 * reflectivity ) / ( 1 - 0.4 * reflectivity );\n\n\t\t\t}\n\t\t} );\n\n\t\tthis.sheenColor = new Color( 0x000000 );\n\t\tthis.sheenColorMap = null;\n\t\tthis.sheenRoughness = 1.0;\n\t\tthis.sheenRoughnessMap = null;\n\n\t\tthis.transmissionMap = null;\n\n\t\tthis.thickness = 0;\n\t\tthis.thicknessMap = null;\n\t\tthis.attenuationDistance = 0.0;\n\t\tthis.attenuationColor = new Color( 1, 1, 1 );\n\n\t\tthis.specularIntensity = 1.0;\n\t\tthis.specularIntensityMap = null;\n\t\tthis.specularColor = new Color( 1, 1, 1 );\n\t\tthis.specularColorMap = null;\n\n\t\tthis._sheen = 0.0;\n\t\tthis._clearcoat = 0;\n\t\tthis._transmission = 0;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tget sheen() {\n\n\t\treturn this._sheen;\n\n\t}\n\n\tset sheen( value ) {\n\n\t\tif ( this._sheen > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._sheen = value;\n\n\t}\n\n\tget clearcoat() {\n\n\t\treturn this._clearcoat;\n\n\t}\n\n\tset clearcoat( value ) {\n\n\t\tif ( this._clearcoat > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._clearcoat = value;\n\n\t}\n\n\tget transmission() {\n\n\t\treturn this._transmission;\n\n\t}\n\n\tset transmission( value ) {\n\n\t\tif ( this._transmission > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._transmission = value;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = {\n\n\t\t\t'STANDARD': '',\n\t\t\t'PHYSICAL': ''\n\n\t\t};\n\n\t\tthis.clearcoat = source.clearcoat;\n\t\tthis.clearcoatMap = source.clearcoatMap;\n\t\tthis.clearcoatRoughness = source.clearcoatRoughness;\n\t\tthis.clearcoatRoughnessMap = source.clearcoatRoughnessMap;\n\t\tthis.clearcoatNormalMap = source.clearcoatNormalMap;\n\t\tthis.clearcoatNormalScale.copy( source.clearcoatNormalScale );\n\n\t\tthis.ior = source.ior;\n\n\t\tthis.sheen = source.sheen;\n\t\tthis.sheenColor.copy( source.sheenColor );\n\t\tthis.sheenColorMap = source.sheenColorMap;\n\t\tthis.sheenRoughness = source.sheenRoughness;\n\t\tthis.sheenRoughnessMap = source.sheenRoughnessMap;\n\n\t\tthis.transmission = source.transmission;\n\t\tthis.transmissionMap = source.transmissionMap;\n\n\t\tthis.thickness = source.thickness;\n\t\tthis.thicknessMap = source.thicknessMap;\n\t\tthis.attenuationDistance = source.attenuationDistance;\n\t\tthis.attenuationColor.copy( source.attenuationColor );\n\n\t\tthis.specularIntensity = source.specularIntensity;\n\t\tthis.specularIntensityMap = source.specularIntensityMap;\n\t\tthis.specularColor.copy( source.specularColor );\n\t\tthis.specularColorMap = source.specularColorMap;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshPhysicalMaterial.prototype.isMeshPhysicalMaterial = true;\n\n/**\n * parameters = {\n * color: ,\n * specular: ,\n * shininess: ,\n * opacity: ,\n *\n * map: new THREE.Texture( ),\n *\n * lightMap: new THREE.Texture( ),\n * lightMapIntensity: \n *\n * aoMap: new THREE.Texture( ),\n * aoMapIntensity: \n *\n * emissive: ,\n * emissiveIntensity: \n * emissiveMap: new THREE.Texture( ),\n *\n * bumpMap: new THREE.Texture( ),\n * bumpScale: ,\n *\n * normalMap: new THREE.Texture( ),\n * normalMapType: THREE.TangentSpaceNormalMap,\n * normalScale: ,\n *\n * displacementMap: new THREE.Texture( ),\n * displacementScale: ,\n * displacementBias: ,\n *\n * specularMap: new THREE.Texture( ),\n *\n * alphaMap: new THREE.Texture( ),\n *\n * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n * combine: THREE.MultiplyOperation,\n * reflectivity: ,\n * refractionRatio: ,\n *\n * wireframe: ,\n * wireframeLinewidth: ,\n *\n * flatShading: \n * }\n */\n\nclass MeshPhongMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshPhongMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.specular = new Color( 0x111111 );\n\t\tthis.shininess = 30;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.flatShading = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.specular.copy( source.specular );\n\t\tthis.shininess = source.shininess;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshPhongMaterial.prototype.isMeshPhongMaterial = true;\n\n/**\n * parameters = {\n * color: ,\n *\n * map: new THREE.Texture( ),\n * gradientMap: new THREE.Texture( ),\n *\n * lightMap: new THREE.Texture( ),\n * lightMapIntensity: \n *\n * aoMap: new THREE.Texture( ),\n * aoMapIntensity: \n *\n * emissive: ,\n * emissiveIntensity: \n * emissiveMap: new THREE.Texture( ),\n *\n * bumpMap: new THREE.Texture( ),\n * bumpScale: ,\n *\n * normalMap: new THREE.Texture( ),\n * normalMapType: THREE.TangentSpaceNormalMap,\n * normalScale: ,\n *\n * displacementMap: new THREE.Texture( ),\n * displacementScale: ,\n * displacementBias: ,\n *\n * alphaMap: new THREE.Texture( ),\n *\n * wireframe: ,\n * wireframeLinewidth: ,\n *\n * }\n */\n\nclass MeshToonMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.defines = { 'TOON': '' };\n\n\t\tthis.type = 'MeshToonMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\t\tthis.gradientMap = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\t\tthis.gradientMap = source.gradientMap;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshToonMaterial.prototype.isMeshToonMaterial = true;\n\n/**\n * parameters = {\n * opacity: ,\n *\n * bumpMap: new THREE.Texture( ),\n * bumpScale: ,\n *\n * normalMap: new THREE.Texture( ),\n * normalMapType: THREE.TangentSpaceNormalMap,\n * normalScale: ,\n *\n * displacementMap: new THREE.Texture( ),\n * displacementScale: ,\n * displacementBias: ,\n *\n * wireframe: ,\n * wireframeLinewidth: \n *\n * flatShading: \n * }\n */\n\nclass MeshNormalMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshNormalMaterial';\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\n\t\tthis.flatShading = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshNormalMaterial.prototype.isMeshNormalMaterial = true;\n\n/**\n * parameters = {\n * color: ,\n * opacity: ,\n *\n * map: new THREE.Texture( ),\n *\n * lightMap: new THREE.Texture( ),\n * lightMapIntensity: \n *\n * aoMap: new THREE.Texture( ),\n * aoMapIntensity: \n *\n * emissive: ,\n * emissiveIntensity: \n * emissiveMap: new THREE.Texture( ),\n *\n * specularMap: new THREE.Texture( ),\n *\n * alphaMap: new THREE.Texture( ),\n *\n * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n * combine: THREE.Multiply,\n * reflectivity: ,\n * refractionRatio: ,\n *\n * wireframe: ,\n * wireframeLinewidth: ,\n *\n * }\n */\n\nclass MeshLambertMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshLambertMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshLambertMaterial.prototype.isMeshLambertMaterial = true;\n\n/**\n * parameters = {\n * color: ,\n * opacity: ,\n *\n * matcap: new THREE.Texture( ),\n *\n * map: new THREE.Texture( ),\n *\n * bumpMap: new THREE.Texture( ),\n * bumpScale: ,\n *\n * normalMap: new THREE.Texture( ),\n * normalMapType: THREE.TangentSpaceNormalMap,\n * normalScale: ,\n *\n * displacementMap: new THREE.Texture( ),\n * displacementScale: ,\n * displacementBias: ,\n *\n * alphaMap: new THREE.Texture( ),\n *\n * flatShading: \n * }\n */\n\nclass MeshMatcapMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.defines = { 'MATCAP': '' };\n\n\t\tthis.type = 'MeshMatcapMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\tthis.matcap = null;\n\n\t\tthis.map = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.flatShading = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = { 'MATCAP': '' };\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.matcap = source.matcap;\n\n\t\tthis.map = source.map;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshMatcapMaterial.prototype.isMeshMatcapMaterial = true;\n\n/**\n * parameters = {\n * color: ,\n * opacity: ,\n *\n * linewidth: ,\n *\n * scale: ,\n * dashSize: ,\n * gapSize: \n * }\n */\n\nclass LineDashedMaterial extends LineBasicMaterial {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LineDashedMaterial';\n\n\t\tthis.scale = 1;\n\t\tthis.dashSize = 3;\n\t\tthis.gapSize = 1;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.scale = source.scale;\n\t\tthis.dashSize = source.dashSize;\n\t\tthis.gapSize = source.gapSize;\n\n\t\treturn this;\n\n\t}\n\n}\n\nLineDashedMaterial.prototype.isLineDashedMaterial = true;\n\nvar Materials = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tShadowMaterial: ShadowMaterial,\n\tSpriteMaterial: SpriteMaterial,\n\tRawShaderMaterial: RawShaderMaterial,\n\tShaderMaterial: ShaderMaterial,\n\tPointsMaterial: PointsMaterial,\n\tMeshPhysicalMaterial: MeshPhysicalMaterial,\n\tMeshStandardMaterial: MeshStandardMaterial,\n\tMeshPhongMaterial: MeshPhongMaterial,\n\tMeshToonMaterial: MeshToonMaterial,\n\tMeshNormalMaterial: MeshNormalMaterial,\n\tMeshLambertMaterial: MeshLambertMaterial,\n\tMeshDepthMaterial: MeshDepthMaterial,\n\tMeshDistanceMaterial: MeshDistanceMaterial,\n\tMeshBasicMaterial: MeshBasicMaterial,\n\tMeshMatcapMaterial: MeshMatcapMaterial,\n\tLineDashedMaterial: LineDashedMaterial,\n\tLineBasicMaterial: LineBasicMaterial,\n\tMaterial: Material\n});\n\nconst AnimationUtils = {\n\n\t// same as Array.prototype.slice, but also works on typed arrays\n\tarraySlice: function ( array, from, to ) {\n\n\t\tif ( AnimationUtils.isTypedArray( array ) ) {\n\n\t\t\t// in ios9 array.subarray(from, undefined) will return empty array\n\t\t\t// but array.subarray(from) or array.subarray(from, len) is correct\n\t\t\treturn new array.constructor( array.subarray( from, to !== undefined ? to : array.length ) );\n\n\t\t}\n\n\t\treturn array.slice( from, to );\n\n\t},\n\n\t// converts an array to a specific type\n\tconvertArray: function ( array, type, forceClone ) {\n\n\t\tif ( ! array || // let 'undefined' and 'null' pass\n\t\t\t! forceClone && array.constructor === type ) return array;\n\n\t\tif ( typeof type.BYTES_PER_ELEMENT === 'number' ) {\n\n\t\t\treturn new type( array ); // create typed array\n\n\t\t}\n\n\t\treturn Array.prototype.slice.call( array ); // create Array\n\n\t},\n\n\tisTypedArray: function ( object ) {\n\n\t\treturn ArrayBuffer.isView( object ) &&\n\t\t\t! ( object instanceof DataView );\n\n\t},\n\n\t// returns an array by which times and values can be sorted\n\tgetKeyframeOrder: function ( times ) {\n\n\t\tfunction compareTime( i, j ) {\n\n\t\t\treturn times[ i ] - times[ j ];\n\n\t\t}\n\n\t\tconst n = times.length;\n\t\tconst result = new Array( n );\n\t\tfor ( let i = 0; i !== n; ++ i ) result[ i ] = i;\n\n\t\tresult.sort( compareTime );\n\n\t\treturn result;\n\n\t},\n\n\t// uses the array previously returned by 'getKeyframeOrder' to sort data\n\tsortedArray: function ( values, stride, order ) {\n\n\t\tconst nValues = values.length;\n\t\tconst result = new values.constructor( nValues );\n\n\t\tfor ( let i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) {\n\n\t\t\tconst srcOffset = order[ i ] * stride;\n\n\t\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\t\tresult[ dstOffset ++ ] = values[ srcOffset + j ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn result;\n\n\t},\n\n\t// function for parsing AOS keyframe formats\n\tflattenJSON: function ( jsonKeys, times, values, valuePropertyName ) {\n\n\t\tlet i = 1, key = jsonKeys[ 0 ];\n\n\t\twhile ( key !== undefined && key[ valuePropertyName ] === undefined ) {\n\n\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t}\n\n\t\tif ( key === undefined ) return; // no data\n\n\t\tlet value = key[ valuePropertyName ];\n\t\tif ( value === undefined ) return; // no data\n\n\t\tif ( Array.isArray( value ) ) {\n\n\t\t\tdo {\n\n\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\tvalues.push.apply( values, value ); // push all elements\n\n\t\t\t\t}\n\n\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t} while ( key !== undefined );\n\n\t\t} else if ( value.toArray !== undefined ) {\n\n\t\t\t// ...assume THREE.Math-ish\n\n\t\t\tdo {\n\n\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\tvalue.toArray( values, values.length );\n\n\t\t\t\t}\n\n\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t} while ( key !== undefined );\n\n\t\t} else {\n\n\t\t\t// otherwise push as-is\n\n\t\t\tdo {\n\n\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\tvalues.push( value );\n\n\t\t\t\t}\n\n\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t} while ( key !== undefined );\n\n\t\t}\n\n\t},\n\n\tsubclip: function ( sourceClip, name, startFrame, endFrame, fps = 30 ) {\n\n\t\tconst clip = sourceClip.clone();\n\n\t\tclip.name = name;\n\n\t\tconst tracks = [];\n\n\t\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\t\tconst track = clip.tracks[ i ];\n\t\t\tconst valueSize = track.getValueSize();\n\n\t\t\tconst times = [];\n\t\t\tconst values = [];\n\n\t\t\tfor ( let j = 0; j < track.times.length; ++ j ) {\n\n\t\t\t\tconst frame = track.times[ j ] * fps;\n\n\t\t\t\tif ( frame < startFrame || frame >= endFrame ) continue;\n\n\t\t\t\ttimes.push( track.times[ j ] );\n\n\t\t\t\tfor ( let k = 0; k < valueSize; ++ k ) {\n\n\t\t\t\t\tvalues.push( track.values[ j * valueSize + k ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( times.length === 0 ) continue;\n\n\t\t\ttrack.times = AnimationUtils.convertArray( times, track.times.constructor );\n\t\t\ttrack.values = AnimationUtils.convertArray( values, track.values.constructor );\n\n\t\t\ttracks.push( track );\n\n\t\t}\n\n\t\tclip.tracks = tracks;\n\n\t\t// find minimum .times value across all tracks in the trimmed clip\n\n\t\tlet minStartTime = Infinity;\n\n\t\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\t\tif ( minStartTime > clip.tracks[ i ].times[ 0 ] ) {\n\n\t\t\t\tminStartTime = clip.tracks[ i ].times[ 0 ];\n\n\t\t\t}\n\n\t\t}\n\n\t\t// shift all tracks such that clip begins at t=0\n\n\t\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\t\tclip.tracks[ i ].shift( - 1 * minStartTime );\n\n\t\t}\n\n\t\tclip.resetDuration();\n\n\t\treturn clip;\n\n\t},\n\n\tmakeClipAdditive: function ( targetClip, referenceFrame = 0, referenceClip = targetClip, fps = 30 ) {\n\n\t\tif ( fps <= 0 ) fps = 30;\n\n\t\tconst numTracks = referenceClip.tracks.length;\n\t\tconst referenceTime = referenceFrame / fps;\n\n\t\t// Make each track's values relative to the values at the reference frame\n\t\tfor ( let i = 0; i < numTracks; ++ i ) {\n\n\t\t\tconst referenceTrack = referenceClip.tracks[ i ];\n\t\t\tconst referenceTrackType = referenceTrack.ValueTypeName;\n\n\t\t\t// Skip this track if it's non-numeric\n\t\t\tif ( referenceTrackType === 'bool' || referenceTrackType === 'string' ) continue;\n\n\t\t\t// Find the track in the target clip whose name and type matches the reference track\n\t\t\tconst targetTrack = targetClip.tracks.find( function ( track ) {\n\n\t\t\t\treturn track.name === referenceTrack.name\n\t\t\t\t\t&& track.ValueTypeName === referenceTrackType;\n\n\t\t\t} );\n\n\t\t\tif ( targetTrack === undefined ) continue;\n\n\t\t\tlet referenceOffset = 0;\n\t\t\tconst referenceValueSize = referenceTrack.getValueSize();\n\n\t\t\tif ( referenceTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline ) {\n\n\t\t\t\treferenceOffset = referenceValueSize / 3;\n\n\t\t\t}\n\n\t\t\tlet targetOffset = 0;\n\t\t\tconst targetValueSize = targetTrack.getValueSize();\n\n\t\t\tif ( targetTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline ) {\n\n\t\t\t\ttargetOffset = targetValueSize / 3;\n\n\t\t\t}\n\n\t\t\tconst lastIndex = referenceTrack.times.length - 1;\n\t\t\tlet referenceValue;\n\n\t\t\t// Find the value to subtract out of the track\n\t\t\tif ( referenceTime <= referenceTrack.times[ 0 ] ) {\n\n\t\t\t\t// Reference frame is earlier than the first keyframe, so just use the first keyframe\n\t\t\t\tconst startIndex = referenceOffset;\n\t\t\t\tconst endIndex = referenceValueSize - referenceOffset;\n\t\t\t\treferenceValue = AnimationUtils.arraySlice( referenceTrack.values, startIndex, endIndex );\n\n\t\t\t} else if ( referenceTime >= referenceTrack.times[ lastIndex ] ) {\n\n\t\t\t\t// Reference frame is after the last keyframe, so just use the last keyframe\n\t\t\t\tconst startIndex = lastIndex * referenceValueSize + referenceOffset;\n\t\t\t\tconst endIndex = startIndex + referenceValueSize - referenceOffset;\n\t\t\t\treferenceValue = AnimationUtils.arraySlice( referenceTrack.values, startIndex, endIndex );\n\n\t\t\t} else {\n\n\t\t\t\t// Interpolate to the reference value\n\t\t\t\tconst interpolant = referenceTrack.createInterpolant();\n\t\t\t\tconst startIndex = referenceOffset;\n\t\t\t\tconst endIndex = referenceValueSize - referenceOffset;\n\t\t\t\tinterpolant.evaluate( referenceTime );\n\t\t\t\treferenceValue = AnimationUtils.arraySlice( interpolant.resultBuffer, startIndex, endIndex );\n\n\t\t\t}\n\n\t\t\t// Conjugate the quaternion\n\t\t\tif ( referenceTrackType === 'quaternion' ) {\n\n\t\t\t\tconst referenceQuat = new Quaternion().fromArray( referenceValue ).normalize().conjugate();\n\t\t\t\treferenceQuat.toArray( referenceValue );\n\n\t\t\t}\n\n\t\t\t// Subtract the reference value from all of the track values\n\n\t\t\tconst numTimes = targetTrack.times.length;\n\t\t\tfor ( let j = 0; j < numTimes; ++ j ) {\n\n\t\t\t\tconst valueStart = j * targetValueSize + targetOffset;\n\n\t\t\t\tif ( referenceTrackType === 'quaternion' ) {\n\n\t\t\t\t\t// Multiply the conjugate for quaternion track types\n\t\t\t\t\tQuaternion.multiplyQuaternionsFlat(\n\t\t\t\t\t\ttargetTrack.values,\n\t\t\t\t\t\tvalueStart,\n\t\t\t\t\t\treferenceValue,\n\t\t\t\t\t\t0,\n\t\t\t\t\t\ttargetTrack.values,\n\t\t\t\t\t\tvalueStart\n\t\t\t\t\t);\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst valueEnd = targetValueSize - targetOffset * 2;\n\n\t\t\t\t\t// Subtract each value for all other numeric track types\n\t\t\t\t\tfor ( let k = 0; k < valueEnd; ++ k ) {\n\n\t\t\t\t\t\ttargetTrack.values[ valueStart + k ] -= referenceValue[ k ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\ttargetClip.blendMode = AdditiveAnimationBlendMode;\n\n\t\treturn targetClip;\n\n\t}\n\n};\n\n/**\n * Abstract base class of interpolants over parametric samples.\n *\n * The parameter domain is one dimensional, typically the time or a path\n * along a curve defined by the data.\n *\n * The sample values can have any dimensionality and derived classes may\n * apply special interpretations to the data.\n *\n * This class provides the interval seek in a Template Method, deferring\n * the actual interpolation to derived classes.\n *\n * Time complexity is O(1) for linear access crossing at most two points\n * and O(log N) for random access, where N is the number of positions.\n *\n * References:\n *\n * \t\thttp://www.oodesign.com/template-method-pattern.html\n *\n */\n\nclass Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tthis.parameterPositions = parameterPositions;\n\t\tthis._cachedIndex = 0;\n\n\t\tthis.resultBuffer = resultBuffer !== undefined ?\n\t\t\tresultBuffer : new sampleValues.constructor( sampleSize );\n\t\tthis.sampleValues = sampleValues;\n\t\tthis.valueSize = sampleSize;\n\n\t\tthis.settings = null;\n\t\tthis.DefaultSettings_ = {};\n\n\t}\n\n\tevaluate( t ) {\n\n\t\tconst pp = this.parameterPositions;\n\t\tlet i1 = this._cachedIndex,\n\t\t\tt1 = pp[ i1 ],\n\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\tvalidate_interval: {\n\n\t\t\tseek: {\n\n\t\t\t\tlet right;\n\n\t\t\t\tlinear_scan: {\n\n\t\t\t\t\t//- See http://jsperf.com/comparison-to-undefined/3\n\t\t\t\t\t//- slower code:\n\t\t\t\t\t//-\n\t\t\t\t\t//- \t\t\t\tif ( t >= t1 || t1 === undefined ) {\n\t\t\t\t\tforward_scan: if ( ! ( t < t1 ) ) {\n\n\t\t\t\t\t\tfor ( let giveUpAt = i1 + 2; ; ) {\n\n\t\t\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\t\t\tif ( t < t0 ) break forward_scan;\n\n\t\t\t\t\t\t\t\t// after end\n\n\t\t\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\t\t\treturn this.afterEnd_( i1 - 1, t, t0 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\tt0 = t1;\n\t\t\t\t\t\t\tt1 = pp[ ++ i1 ];\n\n\t\t\t\t\t\t\tif ( t < t1 ) {\n\n\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// prepare binary search on the right side of the index\n\t\t\t\t\t\tright = pp.length;\n\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t//- slower code:\n\t\t\t\t\t//-\t\t\t\t\tif ( t < t0 || t0 === undefined ) {\n\t\t\t\t\tif ( ! ( t >= t0 ) ) {\n\n\t\t\t\t\t\t// looping?\n\n\t\t\t\t\t\tconst t1global = pp[ 1 ];\n\n\t\t\t\t\t\tif ( t < t1global ) {\n\n\t\t\t\t\t\t\ti1 = 2; // + 1, using the scan for the details\n\t\t\t\t\t\t\tt0 = t1global;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// linear reverse scan\n\n\t\t\t\t\t\tfor ( let giveUpAt = i1 - 2; ; ) {\n\n\t\t\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\t\t\t// before start\n\n\t\t\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\tt1 = t0;\n\t\t\t\t\t\t\tt0 = pp[ -- i1 - 1 ];\n\n\t\t\t\t\t\t\tif ( t >= t0 ) {\n\n\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// prepare binary search on the left side of the index\n\t\t\t\t\t\tright = i1;\n\t\t\t\t\t\ti1 = 0;\n\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// the interval is valid\n\n\t\t\t\t\tbreak validate_interval;\n\n\t\t\t\t} // linear scan\n\n\t\t\t\t// binary search\n\n\t\t\t\twhile ( i1 < right ) {\n\n\t\t\t\t\tconst mid = ( i1 + right ) >>> 1;\n\n\t\t\t\t\tif ( t < pp[ mid ] ) {\n\n\t\t\t\t\t\tright = mid;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ti1 = mid + 1;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tt1 = pp[ i1 ];\n\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\t\t// check boundary cases, again\n\n\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t}\n\n\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\treturn this.afterEnd_( i1 - 1, t0, t );\n\n\t\t\t\t}\n\n\t\t\t} // seek\n\n\t\t\tthis._cachedIndex = i1;\n\n\t\t\tthis.intervalChanged_( i1, t0, t1 );\n\n\t\t} // validate_interval\n\n\t\treturn this.interpolate_( i1, t0, t, t1 );\n\n\t}\n\n\tgetSettings_() {\n\n\t\treturn this.settings || this.DefaultSettings_;\n\n\t}\n\n\tcopySampleValue_( index ) {\n\n\t\t// copies a sample value to the result buffer\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = index * stride;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] = values[ offset + i ];\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n\t// Template methods for derived classes:\n\n\tinterpolate_( /* i1, t0, t, t1 */ ) {\n\n\t\tthrow new Error( 'call to abstract method' );\n\t\t// implementations shall return this.resultBuffer\n\n\t}\n\n\tintervalChanged_( /* i1, t0, t1 */ ) {\n\n\t\t// empty\n\n\t}\n\n}\n\n// ALIAS DEFINITIONS\n\nInterpolant.prototype.beforeStart_ = Interpolant.prototype.copySampleValue_;\nInterpolant.prototype.afterEnd_ = Interpolant.prototype.copySampleValue_;\n\n/**\n * Fast and simple cubic spline interpolant.\n *\n * It was derived from a Hermitian construction setting the first derivative\n * at each sample position to the linear slope between neighboring positions\n * over their parameter interval.\n */\n\nclass CubicInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t\tthis._weightPrev = - 0;\n\t\tthis._offsetPrev = - 0;\n\t\tthis._weightNext = - 0;\n\t\tthis._offsetNext = - 0;\n\n\t\tthis.DefaultSettings_ = {\n\n\t\t\tendingStart: ZeroCurvatureEnding,\n\t\t\tendingEnd: ZeroCurvatureEnding\n\n\t\t};\n\n\t}\n\n\tintervalChanged_( i1, t0, t1 ) {\n\n\t\tconst pp = this.parameterPositions;\n\t\tlet iPrev = i1 - 2,\n\t\t\tiNext = i1 + 1,\n\n\t\t\ttPrev = pp[ iPrev ],\n\t\t\ttNext = pp[ iNext ];\n\n\t\tif ( tPrev === undefined ) {\n\n\t\t\tswitch ( this.getSettings_().endingStart ) {\n\n\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t// f'(t0) = 0\n\t\t\t\t\tiPrev = i1;\n\t\t\t\t\ttPrev = 2 * t0 - t1;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\tiPrev = pp.length - 2;\n\t\t\t\t\ttPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ];\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t// f''(t0) = 0 a.k.a. Natural Spline\n\t\t\t\t\tiPrev = i1;\n\t\t\t\t\ttPrev = t1;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( tNext === undefined ) {\n\n\t\t\tswitch ( this.getSettings_().endingEnd ) {\n\n\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t// f'(tN) = 0\n\t\t\t\t\tiNext = i1;\n\t\t\t\t\ttNext = 2 * t1 - t0;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\tiNext = 1;\n\t\t\t\t\ttNext = t1 + pp[ 1 ] - pp[ 0 ];\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t// f''(tN) = 0, a.k.a. Natural Spline\n\t\t\t\t\tiNext = i1 - 1;\n\t\t\t\t\ttNext = t0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst halfDt = ( t1 - t0 ) * 0.5,\n\t\t\tstride = this.valueSize;\n\n\t\tthis._weightPrev = halfDt / ( t0 - tPrev );\n\t\tthis._weightNext = halfDt / ( tNext - t1 );\n\t\tthis._offsetPrev = iPrev * stride;\n\t\tthis._offsetNext = iNext * stride;\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\to1 = i1 * stride,\t\to0 = o1 - stride,\n\t\t\toP = this._offsetPrev, \toN = this._offsetNext,\n\t\t\twP = this._weightPrev,\twN = this._weightNext,\n\n\t\t\tp = ( t - t0 ) / ( t1 - t0 ),\n\t\t\tpp = p * p,\n\t\t\tppp = pp * p;\n\n\t\t// evaluate polynomials\n\n\t\tconst sP = - wP * ppp + 2 * wP * pp - wP * p;\n\t\tconst s0 = ( 1 + wP ) * ppp + ( - 1.5 - 2 * wP ) * pp + ( - 0.5 + wP ) * p + 1;\n\t\tconst s1 = ( - 1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p;\n\t\tconst sN = wN * ppp - wN * pp;\n\n\t\t// combine data linearly\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] =\n\t\t\t\t\tsP * values[ oP + i ] +\n\t\t\t\t\ts0 * values[ o0 + i ] +\n\t\t\t\t\ts1 * values[ o1 + i ] +\n\t\t\t\t\tsN * values[ oN + i ];\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\nclass LinearInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\toffset1 = i1 * stride,\n\t\t\toffset0 = offset1 - stride,\n\n\t\t\tweight1 = ( t - t0 ) / ( t1 - t0 ),\n\t\t\tweight0 = 1 - weight1;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] =\n\t\t\t\t\tvalues[ offset0 + i ] * weight0 +\n\t\t\t\t\tvalues[ offset1 + i ] * weight1;\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\n/**\n *\n * Interpolant that evaluates to the sample value at the position preceeding\n * the parameter.\n */\n\nclass DiscreteInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1 /*, t0, t, t1 */ ) {\n\n\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t}\n\n}\n\nclass KeyframeTrack {\n\n\tconstructor( name, times, values, interpolation ) {\n\n\t\tif ( name === undefined ) throw new Error( 'THREE.KeyframeTrack: track name is undefined' );\n\t\tif ( times === undefined || times.length === 0 ) throw new Error( 'THREE.KeyframeTrack: no keyframes in track named ' + name );\n\n\t\tthis.name = name;\n\n\t\tthis.times = AnimationUtils.convertArray( times, this.TimeBufferType );\n\t\tthis.values = AnimationUtils.convertArray( values, this.ValueBufferType );\n\n\t\tthis.setInterpolation( interpolation || this.DefaultInterpolation );\n\n\t}\n\n\t// Serialization (in static context, because of constructor invocation\n\t// and automatic invocation of .toJSON):\n\n\tstatic toJSON( track ) {\n\n\t\tconst trackType = track.constructor;\n\n\t\tlet json;\n\n\t\t// derived classes can define a static toJSON method\n\t\tif ( trackType.toJSON !== this.toJSON ) {\n\n\t\t\tjson = trackType.toJSON( track );\n\n\t\t} else {\n\n\t\t\t// by default, we assume the data can be serialized as-is\n\t\t\tjson = {\n\n\t\t\t\t'name': track.name,\n\t\t\t\t'times': AnimationUtils.convertArray( track.times, Array ),\n\t\t\t\t'values': AnimationUtils.convertArray( track.values, Array )\n\n\t\t\t};\n\n\t\t\tconst interpolation = track.getInterpolation();\n\n\t\t\tif ( interpolation !== track.DefaultInterpolation ) {\n\n\t\t\t\tjson.interpolation = interpolation;\n\n\t\t\t}\n\n\t\t}\n\n\t\tjson.type = track.ValueTypeName; // mandatory\n\n\t\treturn json;\n\n\t}\n\n\tInterpolantFactoryMethodDiscrete( result ) {\n\n\t\treturn new DiscreteInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\tInterpolantFactoryMethodLinear( result ) {\n\n\t\treturn new LinearInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\tInterpolantFactoryMethodSmooth( result ) {\n\n\t\treturn new CubicInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\tsetInterpolation( interpolation ) {\n\n\t\tlet factoryMethod;\n\n\t\tswitch ( interpolation ) {\n\n\t\t\tcase InterpolateDiscrete:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodDiscrete;\n\n\t\t\t\tbreak;\n\n\t\t\tcase InterpolateLinear:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodLinear;\n\n\t\t\t\tbreak;\n\n\t\t\tcase InterpolateSmooth:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodSmooth;\n\n\t\t\t\tbreak;\n\n\t\t}\n\n\t\tif ( factoryMethod === undefined ) {\n\n\t\t\tconst message = 'unsupported interpolation for ' +\n\t\t\t\tthis.ValueTypeName + ' keyframe track named ' + this.name;\n\n\t\t\tif ( this.createInterpolant === undefined ) {\n\n\t\t\t\t// fall back to default, unless the default itself is messed up\n\t\t\t\tif ( interpolation !== this.DefaultInterpolation ) {\n\n\t\t\t\t\tthis.setInterpolation( this.DefaultInterpolation );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new Error( message ); // fatal, in this case\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconsole.warn( 'THREE.KeyframeTrack:', message );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tthis.createInterpolant = factoryMethod;\n\n\t\treturn this;\n\n\t}\n\n\tgetInterpolation() {\n\n\t\tswitch ( this.createInterpolant ) {\n\n\t\t\tcase this.InterpolantFactoryMethodDiscrete:\n\n\t\t\t\treturn InterpolateDiscrete;\n\n\t\t\tcase this.InterpolantFactoryMethodLinear:\n\n\t\t\t\treturn InterpolateLinear;\n\n\t\t\tcase this.InterpolantFactoryMethodSmooth:\n\n\t\t\t\treturn InterpolateSmooth;\n\n\t\t}\n\n\t}\n\n\tgetValueSize() {\n\n\t\treturn this.values.length / this.times.length;\n\n\t}\n\n\t// move all keyframes either forwards or backwards in time\n\tshift( timeOffset ) {\n\n\t\tif ( timeOffset !== 0.0 ) {\n\n\t\t\tconst times = this.times;\n\n\t\t\tfor ( let i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\ttimes[ i ] += timeOffset;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// scale all keyframe times by a factor (useful for frame <-> seconds conversions)\n\tscale( timeScale ) {\n\n\t\tif ( timeScale !== 1.0 ) {\n\n\t\t\tconst times = this.times;\n\n\t\t\tfor ( let i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\ttimes[ i ] *= timeScale;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// removes keyframes before and after animation without changing any values within the range [startTime, endTime].\n\t// IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values\n\ttrim( startTime, endTime ) {\n\n\t\tconst times = this.times,\n\t\t\tnKeys = times.length;\n\n\t\tlet from = 0,\n\t\t\tto = nKeys - 1;\n\n\t\twhile ( from !== nKeys && times[ from ] < startTime ) {\n\n\t\t\t++ from;\n\n\t\t}\n\n\t\twhile ( to !== - 1 && times[ to ] > endTime ) {\n\n\t\t\t-- to;\n\n\t\t}\n\n\t\t++ to; // inclusive -> exclusive bound\n\n\t\tif ( from !== 0 || to !== nKeys ) {\n\n\t\t\t// empty tracks are forbidden, so keep at least one keyframe\n\t\t\tif ( from >= to ) {\n\n\t\t\t\tto = Math.max( to, 1 );\n\t\t\t\tfrom = to - 1;\n\n\t\t\t}\n\n\t\t\tconst stride = this.getValueSize();\n\t\t\tthis.times = AnimationUtils.arraySlice( times, from, to );\n\t\t\tthis.values = AnimationUtils.arraySlice( this.values, from * stride, to * stride );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable\n\tvalidate() {\n\n\t\tlet valid = true;\n\n\t\tconst valueSize = this.getValueSize();\n\t\tif ( valueSize - Math.floor( valueSize ) !== 0 ) {\n\n\t\t\tconsole.error( 'THREE.KeyframeTrack: Invalid value size in track.', this );\n\t\t\tvalid = false;\n\n\t\t}\n\n\t\tconst times = this.times,\n\t\t\tvalues = this.values,\n\n\t\t\tnKeys = times.length;\n\n\t\tif ( nKeys === 0 ) {\n\n\t\t\tconsole.error( 'THREE.KeyframeTrack: Track is empty.', this );\n\t\t\tvalid = false;\n\n\t\t}\n\n\t\tlet prevTime = null;\n\n\t\tfor ( let i = 0; i !== nKeys; i ++ ) {\n\n\t\t\tconst currTime = times[ i ];\n\n\t\t\tif ( typeof currTime === 'number' && isNaN( currTime ) ) {\n\n\t\t\t\tconsole.error( 'THREE.KeyframeTrack: Time is not a valid number.', this, i, currTime );\n\t\t\t\tvalid = false;\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( prevTime !== null && prevTime > currTime ) {\n\n\t\t\t\tconsole.error( 'THREE.KeyframeTrack: Out of order keys.', this, i, currTime, prevTime );\n\t\t\t\tvalid = false;\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tprevTime = currTime;\n\n\t\t}\n\n\t\tif ( values !== undefined ) {\n\n\t\t\tif ( AnimationUtils.isTypedArray( values ) ) {\n\n\t\t\t\tfor ( let i = 0, n = values.length; i !== n; ++ i ) {\n\n\t\t\t\t\tconst value = values[ i ];\n\n\t\t\t\t\tif ( isNaN( value ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.KeyframeTrack: Value is not a valid number.', this, i, value );\n\t\t\t\t\t\tvalid = false;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn valid;\n\n\t}\n\n\t// removes equivalent sequential keys as common in morph target sequences\n\t// (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0)\n\toptimize() {\n\n\t\t// times or values may be shared with other tracks, so overwriting is unsafe\n\t\tconst times = AnimationUtils.arraySlice( this.times ),\n\t\t\tvalues = AnimationUtils.arraySlice( this.values ),\n\t\t\tstride = this.getValueSize(),\n\n\t\t\tsmoothInterpolation = this.getInterpolation() === InterpolateSmooth,\n\n\t\t\tlastIndex = times.length - 1;\n\n\t\tlet writeIndex = 1;\n\n\t\tfor ( let i = 1; i < lastIndex; ++ i ) {\n\n\t\t\tlet keep = false;\n\n\t\t\tconst time = times[ i ];\n\t\t\tconst timeNext = times[ i + 1 ];\n\n\t\t\t// remove adjacent keyframes scheduled at the same time\n\n\t\t\tif ( time !== timeNext && ( i !== 1 || time !== times[ 0 ] ) ) {\n\n\t\t\t\tif ( ! smoothInterpolation ) {\n\n\t\t\t\t\t// remove unnecessary keyframes same as their neighbors\n\n\t\t\t\t\tconst offset = i * stride,\n\t\t\t\t\t\toffsetP = offset - stride,\n\t\t\t\t\t\toffsetN = offset + stride;\n\n\t\t\t\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\tconst value = values[ offset + j ];\n\n\t\t\t\t\t\tif ( value !== values[ offsetP + j ] ||\n\t\t\t\t\t\t\tvalue !== values[ offsetN + j ] ) {\n\n\t\t\t\t\t\t\tkeep = true;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tkeep = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// in-place compaction\n\n\t\t\tif ( keep ) {\n\n\t\t\t\tif ( i !== writeIndex ) {\n\n\t\t\t\t\ttimes[ writeIndex ] = times[ i ];\n\n\t\t\t\t\tconst readOffset = i * stride,\n\t\t\t\t\t\twriteOffset = writeIndex * stride;\n\n\t\t\t\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t++ writeIndex;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// flush last keyframe (compaction looks ahead)\n\n\t\tif ( lastIndex > 0 ) {\n\n\t\t\ttimes[ writeIndex ] = times[ lastIndex ];\n\n\t\t\tfor ( let readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j ) {\n\n\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t}\n\n\t\t\t++ writeIndex;\n\n\t\t}\n\n\t\tif ( writeIndex !== times.length ) {\n\n\t\t\tthis.times = AnimationUtils.arraySlice( times, 0, writeIndex );\n\t\t\tthis.values = AnimationUtils.arraySlice( values, 0, writeIndex * stride );\n\n\t\t} else {\n\n\t\t\tthis.times = times;\n\t\t\tthis.values = values;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\tconst times = AnimationUtils.arraySlice( this.times, 0 );\n\t\tconst values = AnimationUtils.arraySlice( this.values, 0 );\n\n\t\tconst TypedKeyframeTrack = this.constructor;\n\t\tconst track = new TypedKeyframeTrack( this.name, times, values );\n\n\t\t// Interpolant argument to constructor is not saved, so copy the factory method directly.\n\t\ttrack.createInterpolant = this.createInterpolant;\n\n\t\treturn track;\n\n\t}\n\n}\n\nKeyframeTrack.prototype.TimeBufferType = Float32Array;\nKeyframeTrack.prototype.ValueBufferType = Float32Array;\nKeyframeTrack.prototype.DefaultInterpolation = InterpolateLinear;\n\n/**\n * A Track of Boolean keyframe values.\n */\nclass BooleanKeyframeTrack extends KeyframeTrack {}\n\nBooleanKeyframeTrack.prototype.ValueTypeName = 'bool';\nBooleanKeyframeTrack.prototype.ValueBufferType = Array;\nBooleanKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete;\nBooleanKeyframeTrack.prototype.InterpolantFactoryMethodLinear = undefined;\nBooleanKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A Track of keyframe values that represent color.\n */\nclass ColorKeyframeTrack extends KeyframeTrack {}\n\nColorKeyframeTrack.prototype.ValueTypeName = 'color';\n\n/**\n * A Track of numeric keyframe values.\n */\nclass NumberKeyframeTrack extends KeyframeTrack {}\n\nNumberKeyframeTrack.prototype.ValueTypeName = 'number';\n\n/**\n * Spherical linear unit quaternion interpolant.\n */\n\nclass QuaternionLinearInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\talpha = ( t - t0 ) / ( t1 - t0 );\n\n\t\tlet offset = i1 * stride;\n\n\t\tfor ( let end = offset + stride; offset !== end; offset += 4 ) {\n\n\t\t\tQuaternion.slerpFlat( result, 0, values, offset - stride, values, offset, alpha );\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\n/**\n * A Track of quaternion keyframe values.\n */\nclass QuaternionKeyframeTrack extends KeyframeTrack {\n\n\tInterpolantFactoryMethodLinear( result ) {\n\n\t\treturn new QuaternionLinearInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n}\n\nQuaternionKeyframeTrack.prototype.ValueTypeName = 'quaternion';\n// ValueBufferType is inherited\nQuaternionKeyframeTrack.prototype.DefaultInterpolation = InterpolateLinear;\nQuaternionKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A Track that interpolates Strings\n */\nclass StringKeyframeTrack extends KeyframeTrack {}\n\nStringKeyframeTrack.prototype.ValueTypeName = 'string';\nStringKeyframeTrack.prototype.ValueBufferType = Array;\nStringKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete;\nStringKeyframeTrack.prototype.InterpolantFactoryMethodLinear = undefined;\nStringKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A Track of vectored keyframe values.\n */\nclass VectorKeyframeTrack extends KeyframeTrack {}\n\nVectorKeyframeTrack.prototype.ValueTypeName = 'vector';\n\nclass AnimationClip {\n\n\tconstructor( name, duration = - 1, tracks, blendMode = NormalAnimationBlendMode ) {\n\n\t\tthis.name = name;\n\t\tthis.tracks = tracks;\n\t\tthis.duration = duration;\n\t\tthis.blendMode = blendMode;\n\n\t\tthis.uuid = generateUUID();\n\n\t\t// this means it should figure out its duration by scanning the tracks\n\t\tif ( this.duration < 0 ) {\n\n\t\t\tthis.resetDuration();\n\n\t\t}\n\n\t}\n\n\n\tstatic parse( json ) {\n\n\t\tconst tracks = [],\n\t\t\tjsonTracks = json.tracks,\n\t\t\tframeTime = 1.0 / ( json.fps || 1.0 );\n\n\t\tfor ( let i = 0, n = jsonTracks.length; i !== n; ++ i ) {\n\n\t\t\ttracks.push( parseKeyframeTrack( jsonTracks[ i ] ).scale( frameTime ) );\n\n\t\t}\n\n\t\tconst clip = new this( json.name, json.duration, tracks, json.blendMode );\n\t\tclip.uuid = json.uuid;\n\n\t\treturn clip;\n\n\t}\n\n\tstatic toJSON( clip ) {\n\n\t\tconst tracks = [],\n\t\t\tclipTracks = clip.tracks;\n\n\t\tconst json = {\n\n\t\t\t'name': clip.name,\n\t\t\t'duration': clip.duration,\n\t\t\t'tracks': tracks,\n\t\t\t'uuid': clip.uuid,\n\t\t\t'blendMode': clip.blendMode\n\n\t\t};\n\n\t\tfor ( let i = 0, n = clipTracks.length; i !== n; ++ i ) {\n\n\t\t\ttracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) );\n\n\t\t}\n\n\t\treturn json;\n\n\t}\n\n\tstatic CreateFromMorphTargetSequence( name, morphTargetSequence, fps, noLoop ) {\n\n\t\tconst numMorphTargets = morphTargetSequence.length;\n\t\tconst tracks = [];\n\n\t\tfor ( let i = 0; i < numMorphTargets; i ++ ) {\n\n\t\t\tlet times = [];\n\t\t\tlet values = [];\n\n\t\t\ttimes.push(\n\t\t\t\t( i + numMorphTargets - 1 ) % numMorphTargets,\n\t\t\t\ti,\n\t\t\t\t( i + 1 ) % numMorphTargets );\n\n\t\t\tvalues.push( 0, 1, 0 );\n\n\t\t\tconst order = AnimationUtils.getKeyframeOrder( times );\n\t\t\ttimes = AnimationUtils.sortedArray( times, 1, order );\n\t\t\tvalues = AnimationUtils.sortedArray( values, 1, order );\n\n\t\t\t// if there is a key at the first frame, duplicate it as the\n\t\t\t// last frame as well for perfect loop.\n\t\t\tif ( ! noLoop && times[ 0 ] === 0 ) {\n\n\t\t\t\ttimes.push( numMorphTargets );\n\t\t\t\tvalues.push( values[ 0 ] );\n\n\t\t\t}\n\n\t\t\ttracks.push(\n\t\t\t\tnew NumberKeyframeTrack(\n\t\t\t\t\t'.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']',\n\t\t\t\t\ttimes, values\n\t\t\t\t).scale( 1.0 / fps ) );\n\n\t\t}\n\n\t\treturn new this( name, - 1, tracks );\n\n\t}\n\n\tstatic findByName( objectOrClipArray, name ) {\n\n\t\tlet clipArray = objectOrClipArray;\n\n\t\tif ( ! Array.isArray( objectOrClipArray ) ) {\n\n\t\t\tconst o = objectOrClipArray;\n\t\t\tclipArray = o.geometry && o.geometry.animations || o.animations;\n\n\t\t}\n\n\t\tfor ( let i = 0; i < clipArray.length; i ++ ) {\n\n\t\t\tif ( clipArray[ i ].name === name ) {\n\n\t\t\t\treturn clipArray[ i ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\tstatic CreateClipsFromMorphTargetSequences( morphTargets, fps, noLoop ) {\n\n\t\tconst animationToMorphTargets = {};\n\n\t\t// tested with https://regex101.com/ on trick sequences\n\t\t// such flamingo_flyA_003, flamingo_run1_003, crdeath0059\n\t\tconst pattern = /^([\\w-]*?)([\\d]+)$/;\n\n\t\t// sort morph target names into animation groups based\n\t\t// patterns like Walk_001, Walk_002, Run_001, Run_002\n\t\tfor ( let i = 0, il = morphTargets.length; i < il; i ++ ) {\n\n\t\t\tconst morphTarget = morphTargets[ i ];\n\t\t\tconst parts = morphTarget.name.match( pattern );\n\n\t\t\tif ( parts && parts.length > 1 ) {\n\n\t\t\t\tconst name = parts[ 1 ];\n\n\t\t\t\tlet animationMorphTargets = animationToMorphTargets[ name ];\n\n\t\t\t\tif ( ! animationMorphTargets ) {\n\n\t\t\t\t\tanimationToMorphTargets[ name ] = animationMorphTargets = [];\n\n\t\t\t\t}\n\n\t\t\t\tanimationMorphTargets.push( morphTarget );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst clips = [];\n\n\t\tfor ( const name in animationToMorphTargets ) {\n\n\t\t\tclips.push( this.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) );\n\n\t\t}\n\n\t\treturn clips;\n\n\t}\n\n\t// parse the animation.hierarchy format\n\tstatic parseAnimation( animation, bones ) {\n\n\t\tif ( ! animation ) {\n\n\t\t\tconsole.error( 'THREE.AnimationClip: No animation in JSONLoader data.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst addNonemptyTrack = function ( trackType, trackName, animationKeys, propertyName, destTracks ) {\n\n\t\t\t// only return track if there are actually keys.\n\t\t\tif ( animationKeys.length !== 0 ) {\n\n\t\t\t\tconst times = [];\n\t\t\t\tconst values = [];\n\n\t\t\t\tAnimationUtils.flattenJSON( animationKeys, times, values, propertyName );\n\n\t\t\t\t// empty keys are filtered out, so check again\n\t\t\t\tif ( times.length !== 0 ) {\n\n\t\t\t\t\tdestTracks.push( new trackType( trackName, times, values ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tconst tracks = [];\n\n\t\tconst clipName = animation.name || 'default';\n\t\tconst fps = animation.fps || 30;\n\t\tconst blendMode = animation.blendMode;\n\n\t\t// automatic length determination in AnimationClip.\n\t\tlet duration = animation.length || - 1;\n\n\t\tconst hierarchyTracks = animation.hierarchy || [];\n\n\t\tfor ( let h = 0; h < hierarchyTracks.length; h ++ ) {\n\n\t\t\tconst animationKeys = hierarchyTracks[ h ].keys;\n\n\t\t\t// skip empty tracks\n\t\t\tif ( ! animationKeys || animationKeys.length === 0 ) continue;\n\n\t\t\t// process morph targets\n\t\t\tif ( animationKeys[ 0 ].morphTargets ) {\n\n\t\t\t\t// figure out all morph targets used in this track\n\t\t\t\tconst morphTargetNames = {};\n\n\t\t\t\tlet k;\n\n\t\t\t\tfor ( k = 0; k < animationKeys.length; k ++ ) {\n\n\t\t\t\t\tif ( animationKeys[ k ].morphTargets ) {\n\n\t\t\t\t\t\tfor ( let m = 0; m < animationKeys[ k ].morphTargets.length; m ++ ) {\n\n\t\t\t\t\t\t\tmorphTargetNames[ animationKeys[ k ].morphTargets[ m ] ] = - 1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// create a track for each morph target with all zero\n\t\t\t\t// morphTargetInfluences except for the keys in which\n\t\t\t\t// the morphTarget is named.\n\t\t\t\tfor ( const morphTargetName in morphTargetNames ) {\n\n\t\t\t\t\tconst times = [];\n\t\t\t\t\tconst values = [];\n\n\t\t\t\t\tfor ( let m = 0; m !== animationKeys[ k ].morphTargets.length; ++ m ) {\n\n\t\t\t\t\t\tconst animationKey = animationKeys[ k ];\n\n\t\t\t\t\t\ttimes.push( animationKey.time );\n\t\t\t\t\t\tvalues.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttracks.push( new NumberKeyframeTrack( '.morphTargetInfluence[' + morphTargetName + ']', times, values ) );\n\n\t\t\t\t}\n\n\t\t\t\tduration = morphTargetNames.length * ( fps || 1.0 );\n\n\t\t\t} else {\n\n\t\t\t\t// ...assume skeletal animation\n\n\t\t\t\tconst boneName = '.bones[' + bones[ h ].name + ']';\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tVectorKeyframeTrack, boneName + '.position',\n\t\t\t\t\tanimationKeys, 'pos', tracks );\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tQuaternionKeyframeTrack, boneName + '.quaternion',\n\t\t\t\t\tanimationKeys, 'rot', tracks );\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tVectorKeyframeTrack, boneName + '.scale',\n\t\t\t\t\tanimationKeys, 'scl', tracks );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( tracks.length === 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst clip = new this( clipName, duration, tracks, blendMode );\n\n\t\treturn clip;\n\n\t}\n\n\tresetDuration() {\n\n\t\tconst tracks = this.tracks;\n\t\tlet duration = 0;\n\n\t\tfor ( let i = 0, n = tracks.length; i !== n; ++ i ) {\n\n\t\t\tconst track = this.tracks[ i ];\n\n\t\t\tduration = Math.max( duration, track.times[ track.times.length - 1 ] );\n\n\t\t}\n\n\t\tthis.duration = duration;\n\n\t\treturn this;\n\n\t}\n\n\ttrim() {\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tthis.tracks[ i ].trim( 0, this.duration );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tvalidate() {\n\n\t\tlet valid = true;\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tvalid = valid && this.tracks[ i ].validate();\n\n\t\t}\n\n\t\treturn valid;\n\n\t}\n\n\toptimize() {\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tthis.tracks[ i ].optimize();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\tconst tracks = [];\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\ttracks.push( this.tracks[ i ].clone() );\n\n\t\t}\n\n\t\treturn new this.constructor( this.name, this.duration, tracks, this.blendMode );\n\n\t}\n\n\ttoJSON() {\n\n\t\treturn this.constructor.toJSON( this );\n\n\t}\n\n}\n\nfunction getTrackTypeForValueTypeName( typeName ) {\n\n\tswitch ( typeName.toLowerCase() ) {\n\n\t\tcase 'scalar':\n\t\tcase 'double':\n\t\tcase 'float':\n\t\tcase 'number':\n\t\tcase 'integer':\n\n\t\t\treturn NumberKeyframeTrack;\n\n\t\tcase 'vector':\n\t\tcase 'vector2':\n\t\tcase 'vector3':\n\t\tcase 'vector4':\n\n\t\t\treturn VectorKeyframeTrack;\n\n\t\tcase 'color':\n\n\t\t\treturn ColorKeyframeTrack;\n\n\t\tcase 'quaternion':\n\n\t\t\treturn QuaternionKeyframeTrack;\n\n\t\tcase 'bool':\n\t\tcase 'boolean':\n\n\t\t\treturn BooleanKeyframeTrack;\n\n\t\tcase 'string':\n\n\t\t\treturn StringKeyframeTrack;\n\n\t}\n\n\tthrow new Error( 'THREE.KeyframeTrack: Unsupported typeName: ' + typeName );\n\n}\n\nfunction parseKeyframeTrack( json ) {\n\n\tif ( json.type === undefined ) {\n\n\t\tthrow new Error( 'THREE.KeyframeTrack: track type undefined, can not parse' );\n\n\t}\n\n\tconst trackType = getTrackTypeForValueTypeName( json.type );\n\n\tif ( json.times === undefined ) {\n\n\t\tconst times = [], values = [];\n\n\t\tAnimationUtils.flattenJSON( json.keys, times, values, 'value' );\n\n\t\tjson.times = times;\n\t\tjson.values = values;\n\n\t}\n\n\t// derived classes can define a static parse method\n\tif ( trackType.parse !== undefined ) {\n\n\t\treturn trackType.parse( json );\n\n\t} else {\n\n\t\t// by default, we assume a constructor compatible with the base\n\t\treturn new trackType( json.name, json.times, json.values, json.interpolation );\n\n\t}\n\n}\n\nconst Cache = {\n\n\tenabled: false,\n\n\tfiles: {},\n\n\tadd: function ( key, file ) {\n\n\t\tif ( this.enabled === false ) return;\n\n\t\t// console.log( 'THREE.Cache', 'Adding key:', key );\n\n\t\tthis.files[ key ] = file;\n\n\t},\n\n\tget: function ( key ) {\n\n\t\tif ( this.enabled === false ) return;\n\n\t\t// console.log( 'THREE.Cache', 'Checking key:', key );\n\n\t\treturn this.files[ key ];\n\n\t},\n\n\tremove: function ( key ) {\n\n\t\tdelete this.files[ key ];\n\n\t},\n\n\tclear: function () {\n\n\t\tthis.files = {};\n\n\t}\n\n};\n\nclass LoadingManager {\n\n\tconstructor( onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tlet isLoading = false;\n\t\tlet itemsLoaded = 0;\n\t\tlet itemsTotal = 0;\n\t\tlet urlModifier = undefined;\n\t\tconst handlers = [];\n\n\t\t// Refer to #5689 for the reason why we don't set .onStart\n\t\t// in the constructor\n\n\t\tthis.onStart = undefined;\n\t\tthis.onLoad = onLoad;\n\t\tthis.onProgress = onProgress;\n\t\tthis.onError = onError;\n\n\t\tthis.itemStart = function ( url ) {\n\n\t\t\titemsTotal ++;\n\n\t\t\tif ( isLoading === false ) {\n\n\t\t\t\tif ( scope.onStart !== undefined ) {\n\n\t\t\t\t\tscope.onStart( url, itemsLoaded, itemsTotal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tisLoading = true;\n\n\t\t};\n\n\t\tthis.itemEnd = function ( url ) {\n\n\t\t\titemsLoaded ++;\n\n\t\t\tif ( scope.onProgress !== undefined ) {\n\n\t\t\t\tscope.onProgress( url, itemsLoaded, itemsTotal );\n\n\t\t\t}\n\n\t\t\tif ( itemsLoaded === itemsTotal ) {\n\n\t\t\t\tisLoading = false;\n\n\t\t\t\tif ( scope.onLoad !== undefined ) {\n\n\t\t\t\t\tscope.onLoad();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.itemError = function ( url ) {\n\n\t\t\tif ( scope.onError !== undefined ) {\n\n\t\t\t\tscope.onError( url );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.resolveURL = function ( url ) {\n\n\t\t\tif ( urlModifier ) {\n\n\t\t\t\treturn urlModifier( url );\n\n\t\t\t}\n\n\t\t\treturn url;\n\n\t\t};\n\n\t\tthis.setURLModifier = function ( transform ) {\n\n\t\t\turlModifier = transform;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\tthis.addHandler = function ( regex, loader ) {\n\n\t\t\thandlers.push( regex, loader );\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\tthis.removeHandler = function ( regex ) {\n\n\t\t\tconst index = handlers.indexOf( regex );\n\n\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\thandlers.splice( index, 2 );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\tthis.getHandler = function ( file ) {\n\n\t\t\tfor ( let i = 0, l = handlers.length; i < l; i += 2 ) {\n\n\t\t\t\tconst regex = handlers[ i ];\n\t\t\t\tconst loader = handlers[ i + 1 ];\n\n\t\t\t\tif ( regex.global ) regex.lastIndex = 0; // see #17920\n\n\t\t\t\tif ( regex.test( file ) ) {\n\n\t\t\t\t\treturn loader;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t};\n\n\t}\n\n}\n\nconst DefaultLoadingManager = new LoadingManager();\n\nclass Loader {\n\n\tconstructor( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\tthis.crossOrigin = 'anonymous';\n\t\tthis.withCredentials = false;\n\t\tthis.path = '';\n\t\tthis.resourcePath = '';\n\t\tthis.requestHeader = {};\n\n\t}\n\n\tload( /* url, onLoad, onProgress, onError */ ) {}\n\n\tloadAsync( url, onProgress ) {\n\n\t\tconst scope = this;\n\n\t\treturn new Promise( function ( resolve, reject ) {\n\n\t\t\tscope.load( url, resolve, onProgress, reject );\n\n\t\t} );\n\n\t}\n\n\tparse( /* data */ ) {}\n\n\tsetCrossOrigin( crossOrigin ) {\n\n\t\tthis.crossOrigin = crossOrigin;\n\t\treturn this;\n\n\t}\n\n\tsetWithCredentials( value ) {\n\n\t\tthis.withCredentials = value;\n\t\treturn this;\n\n\t}\n\n\tsetPath( path ) {\n\n\t\tthis.path = path;\n\t\treturn this;\n\n\t}\n\n\tsetResourcePath( resourcePath ) {\n\n\t\tthis.resourcePath = resourcePath;\n\t\treturn this;\n\n\t}\n\n\tsetRequestHeader( requestHeader ) {\n\n\t\tthis.requestHeader = requestHeader;\n\t\treturn this;\n\n\t}\n\n}\n\nconst loading = {};\n\nclass FileLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( url === undefined ) url = '';\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst cached = Cache.get( url );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tthis.manager.itemStart( url );\n\n\t\t\tsetTimeout( () => {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tthis.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\t// Check if request is duplicate\n\n\t\tif ( loading[ url ] !== undefined ) {\n\n\t\t\tloading[ url ].push( {\n\n\t\t\t\tonLoad: onLoad,\n\t\t\t\tonProgress: onProgress,\n\t\t\t\tonError: onError\n\n\t\t\t} );\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t// Initialise array for duplicate requests\n\t\tloading[ url ] = [];\n\n\t\tloading[ url ].push( {\n\t\t\tonLoad: onLoad,\n\t\t\tonProgress: onProgress,\n\t\t\tonError: onError,\n\t\t} );\n\n\t\t// create request\n\t\tconst req = new Request( url, {\n\t\t\theaders: new Headers( this.requestHeader ),\n\t\t\tcredentials: this.withCredentials ? 'include' : 'same-origin',\n\t\t\t// An abort controller could be added within a future PR\n\t\t} );\n\n\t\t// start the fetch\n\t\tfetch( req )\n\t\t\t.then( response => {\n\n\t\t\t\tif ( response.status === 200 || response.status === 0 ) {\n\n\t\t\t\t\t// Some browsers return HTTP Status 0 when using non-http protocol\n\t\t\t\t\t// e.g. 'file://' or 'data://'. Handle as success.\n\n\t\t\t\t\tif ( response.status === 0 ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.FileLoader: HTTP Status 0 received.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst callbacks = loading[ url ];\n\t\t\t\t\tconst reader = response.body.getReader();\n\t\t\t\t\tconst contentLength = response.headers.get( 'Content-Length' );\n\t\t\t\t\tconst total = contentLength ? parseInt( contentLength ) : 0;\n\t\t\t\t\tconst lengthComputable = total !== 0;\n\t\t\t\t\tlet loaded = 0;\n\n\t\t\t\t\t// periodically read data into the new stream tracking while download progress\n\t\t\t\t\treturn new ReadableStream( {\n\t\t\t\t\t\tstart( controller ) {\n\n\t\t\t\t\t\t\treadData();\n\n\t\t\t\t\t\t\tfunction readData() {\n\n\t\t\t\t\t\t\t\treader.read().then( ( { done, value } ) => {\n\n\t\t\t\t\t\t\t\t\tif ( done ) {\n\n\t\t\t\t\t\t\t\t\t\tcontroller.close();\n\n\t\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\t\tloaded += value.byteLength;\n\n\t\t\t\t\t\t\t\t\t\tconst event = new ProgressEvent( 'progress', { lengthComputable, loaded, total } );\n\t\t\t\t\t\t\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\t\t\t\t\t\t\tif ( callback.onProgress ) callback.onProgress( event );\n\n\t\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t\t\tcontroller.enqueue( value );\n\t\t\t\t\t\t\t\t\t\treadData();\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow Error( `fetch for \"${response.url}\" responded with ${response.status}: ${response.statusText}` );\n\n\t\t\t\t}\n\n\t\t\t} )\n\t\t\t.then( stream => {\n\n\t\t\t\tconst response = new Response( stream );\n\n\t\t\t\tswitch ( this.responseType ) {\n\n\t\t\t\t\tcase 'arraybuffer':\n\n\t\t\t\t\t\treturn response.arrayBuffer();\n\n\t\t\t\t\tcase 'blob':\n\n\t\t\t\t\t\treturn response.blob();\n\n\t\t\t\t\tcase 'document':\n\n\t\t\t\t\t\treturn response.text()\n\t\t\t\t\t\t\t.then( text => {\n\n\t\t\t\t\t\t\t\tconst parser = new DOMParser();\n\t\t\t\t\t\t\t\treturn parser.parseFromString( text, this.mimeType );\n\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\tcase 'json':\n\n\t\t\t\t\t\treturn response.json();\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\treturn response.text();\n\n\t\t\t\t}\n\n\t\t\t} )\n\t\t\t.then( data => {\n\n\t\t\t\t// Add to cache only on HTTP success, so that we do not cache\n\t\t\t\t// error response bodies as proper responses to requests.\n\t\t\t\tCache.add( url, data );\n\n\t\t\t\tconst callbacks = loading[ url ];\n\t\t\t\tdelete loading[ url ];\n\n\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\tif ( callback.onLoad ) callback.onLoad( data );\n\n\t\t\t\t}\n\n\t\t\t\tthis.manager.itemEnd( url );\n\n\t\t\t} )\n\t\t\t.catch( err => {\n\n\t\t\t\t// Abort errors and other errors are handled the same\n\n\t\t\t\tconst callbacks = loading[ url ];\n\t\t\t\tdelete loading[ url ];\n\n\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\tif ( callback.onError ) callback.onError( err );\n\n\t\t\t\t}\n\n\t\t\t\tthis.manager.itemError( url );\n\t\t\t\tthis.manager.itemEnd( url );\n\n\t\t\t} );\n\n\t\tthis.manager.itemStart( url );\n\n\t}\n\n\tsetResponseType( value ) {\n\n\t\tthis.responseType = value;\n\t\treturn this;\n\n\t}\n\n\tsetMimeType( value ) {\n\n\t\tthis.mimeType = value;\n\t\treturn this;\n\n\t}\n\n}\n\nclass AnimationLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\tconst animations = [];\n\n\t\tfor ( let i = 0; i < json.length; i ++ ) {\n\n\t\t\tconst clip = AnimationClip.parse( json[ i ] );\n\n\t\t\tanimations.push( clip );\n\n\t\t}\n\n\t\treturn animations;\n\n\t}\n\n}\n\n/**\n * Abstract Base class to block based textures loader (dds, pvr, ...)\n *\n * Sub classes have to implement the parse() method which will be used in load().\n */\n\nclass CompressedTextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst images = [];\n\n\t\tconst texture = new CompressedTexture();\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\n\t\tlet loaded = 0;\n\n\t\tfunction loadTexture( i ) {\n\n\t\t\tloader.load( url[ i ], function ( buffer ) {\n\n\t\t\t\tconst texDatas = scope.parse( buffer, true );\n\n\t\t\t\timages[ i ] = {\n\t\t\t\t\twidth: texDatas.width,\n\t\t\t\t\theight: texDatas.height,\n\t\t\t\t\tformat: texDatas.format,\n\t\t\t\t\tmipmaps: texDatas.mipmaps\n\t\t\t\t};\n\n\t\t\t\tloaded += 1;\n\n\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\tif ( texDatas.mipmapCount === 1 ) texture.minFilter = LinearFilter;\n\n\t\t\t\t\ttexture.image = images;\n\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t\tif ( Array.isArray( url ) ) {\n\n\t\t\tfor ( let i = 0, il = url.length; i < il; ++ i ) {\n\n\t\t\t\tloadTexture( i );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// compressed cubemap texture stored in a single DDS file\n\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tconst texDatas = scope.parse( buffer, true );\n\n\t\t\t\tif ( texDatas.isCubemap ) {\n\n\t\t\t\t\tconst faces = texDatas.mipmaps.length / texDatas.mipmapCount;\n\n\t\t\t\t\tfor ( let f = 0; f < faces; f ++ ) {\n\n\t\t\t\t\t\timages[ f ] = { mipmaps: [] };\n\n\t\t\t\t\t\tfor ( let i = 0; i < texDatas.mipmapCount; i ++ ) {\n\n\t\t\t\t\t\t\timages[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] );\n\t\t\t\t\t\t\timages[ f ].format = texDatas.format;\n\t\t\t\t\t\t\timages[ f ].width = texDatas.width;\n\t\t\t\t\t\t\timages[ f ].height = texDatas.height;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.image = images;\n\n\t\t\t\t} else {\n\n\t\t\t\t\ttexture.image.width = texDatas.width;\n\t\t\t\t\ttexture.image.height = texDatas.height;\n\t\t\t\t\ttexture.mipmaps = texDatas.mipmaps;\n\n\t\t\t\t}\n\n\t\t\t\tif ( texDatas.mipmapCount === 1 ) {\n\n\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n}\n\nclass ImageLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst scope = this;\n\n\t\tconst cached = Cache.get( url );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\tsetTimeout( function () {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\tconst image = createElementNS( 'img' );\n\n\t\tfunction onImageLoad() {\n\n\t\t\tremoveEventListeners();\n\n\t\t\tCache.add( url, this );\n\n\t\t\tif ( onLoad ) onLoad( this );\n\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t}\n\n\t\tfunction onImageError( event ) {\n\n\t\t\tremoveEventListeners();\n\n\t\t\tif ( onError ) onError( event );\n\n\t\t\tscope.manager.itemError( url );\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t}\n\n\t\tfunction removeEventListeners() {\n\n\t\t\timage.removeEventListener( 'load', onImageLoad, false );\n\t\t\timage.removeEventListener( 'error', onImageError, false );\n\n\t\t}\n\n\t\timage.addEventListener( 'load', onImageLoad, false );\n\t\timage.addEventListener( 'error', onImageError, false );\n\n\t\tif ( url.substr( 0, 5 ) !== 'data:' ) {\n\n\t\t\tif ( this.crossOrigin !== undefined ) image.crossOrigin = this.crossOrigin;\n\n\t\t}\n\n\t\tscope.manager.itemStart( url );\n\n\t\timage.src = url;\n\n\t\treturn image;\n\n\t}\n\n}\n\nclass CubeTextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( urls, onLoad, onProgress, onError ) {\n\n\t\tconst texture = new CubeTexture();\n\n\t\tconst loader = new ImageLoader( this.manager );\n\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\tloader.setPath( this.path );\n\n\t\tlet loaded = 0;\n\n\t\tfunction loadTexture( i ) {\n\n\t\t\tloader.load( urls[ i ], function ( image ) {\n\n\t\t\t\ttexture.images[ i ] = image;\n\n\t\t\t\tloaded ++;\n\n\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, undefined, onError );\n\n\t\t}\n\n\t\tfor ( let i = 0; i < urls.length; ++ i ) {\n\n\t\t\tloadTexture( i );\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n}\n\n/**\n * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...)\n *\n * Sub classes have to implement the parse() method which will be used in load().\n */\n\nclass DataTextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst texture = new DataTexture();\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setPath( this.path );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( buffer ) {\n\n\t\t\tconst texData = scope.parse( buffer );\n\n\t\t\tif ( ! texData ) return;\n\n\t\t\tif ( texData.image !== undefined ) {\n\n\t\t\t\ttexture.image = texData.image;\n\n\t\t\t} else if ( texData.data !== undefined ) {\n\n\t\t\t\ttexture.image.width = texData.width;\n\t\t\t\ttexture.image.height = texData.height;\n\t\t\t\ttexture.image.data = texData.data;\n\n\t\t\t}\n\n\t\t\ttexture.wrapS = texData.wrapS !== undefined ? texData.wrapS : ClampToEdgeWrapping;\n\t\t\ttexture.wrapT = texData.wrapT !== undefined ? texData.wrapT : ClampToEdgeWrapping;\n\n\t\t\ttexture.magFilter = texData.magFilter !== undefined ? texData.magFilter : LinearFilter;\n\t\t\ttexture.minFilter = texData.minFilter !== undefined ? texData.minFilter : LinearFilter;\n\n\t\t\ttexture.anisotropy = texData.anisotropy !== undefined ? texData.anisotropy : 1;\n\n\t\t\tif ( texData.encoding !== undefined ) {\n\n\t\t\t\ttexture.encoding = texData.encoding;\n\n\t\t\t}\n\n\t\t\tif ( texData.flipY !== undefined ) {\n\n\t\t\t\ttexture.flipY = texData.flipY;\n\n\t\t\t}\n\n\t\t\tif ( texData.format !== undefined ) {\n\n\t\t\t\ttexture.format = texData.format;\n\n\t\t\t}\n\n\t\t\tif ( texData.type !== undefined ) {\n\n\t\t\t\ttexture.type = texData.type;\n\n\t\t\t}\n\n\t\t\tif ( texData.mipmaps !== undefined ) {\n\n\t\t\t\ttexture.mipmaps = texData.mipmaps;\n\t\t\t\ttexture.minFilter = LinearMipmapLinearFilter; // presumably...\n\n\t\t\t}\n\n\t\t\tif ( texData.mipmapCount === 1 ) {\n\n\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t}\n\n\t\t\tif ( texData.generateMipmaps !== undefined ) {\n\n\t\t\t\ttexture.generateMipmaps = texData.generateMipmaps;\n\n\t\t\t}\n\n\t\t\ttexture.needsUpdate = true;\n\n\t\t\tif ( onLoad ) onLoad( texture, texData );\n\n\t\t}, onProgress, onError );\n\n\n\t\treturn texture;\n\n\t}\n\n}\n\nclass TextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst texture = new Texture();\n\n\t\tconst loader = new ImageLoader( this.manager );\n\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\tloader.setPath( this.path );\n\n\t\tloader.load( url, function ( image ) {\n\n\t\t\ttexture.image = image;\n\t\t\ttexture.needsUpdate = true;\n\n\t\t\tif ( onLoad !== undefined ) {\n\n\t\t\t\tonLoad( texture );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t\treturn texture;\n\n\t}\n\n}\n\nclass Light extends Object3D {\n\n\tconstructor( color, intensity = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Light';\n\n\t\tthis.color = new Color( color );\n\t\tthis.intensity = intensity;\n\n\t}\n\n\tdispose() {\n\n\t\t// Empty here in base class; some subclasses override.\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.intensity = source.intensity;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.color = this.color.getHex();\n\t\tdata.object.intensity = this.intensity;\n\n\t\tif ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex();\n\n\t\tif ( this.distance !== undefined ) data.object.distance = this.distance;\n\t\tif ( this.angle !== undefined ) data.object.angle = this.angle;\n\t\tif ( this.decay !== undefined ) data.object.decay = this.decay;\n\t\tif ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra;\n\n\t\tif ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON();\n\n\t\treturn data;\n\n\t}\n\n}\n\nLight.prototype.isLight = true;\n\nclass HemisphereLight extends Light {\n\n\tconstructor( skyColor, groundColor, intensity ) {\n\n\t\tsuper( skyColor, intensity );\n\n\t\tthis.type = 'HemisphereLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.groundColor = new Color( groundColor );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tLight.prototype.copy.call( this, source );\n\n\t\tthis.groundColor.copy( source.groundColor );\n\n\t\treturn this;\n\n\t}\n\n}\n\nHemisphereLight.prototype.isHemisphereLight = true;\n\nconst _projScreenMatrix$1 = /*@__PURE__*/ new Matrix4();\nconst _lightPositionWorld$1 = /*@__PURE__*/ new Vector3();\nconst _lookTarget$1 = /*@__PURE__*/ new Vector3();\n\nclass LightShadow {\n\n\tconstructor( camera ) {\n\n\t\tthis.camera = camera;\n\n\t\tthis.bias = 0;\n\t\tthis.normalBias = 0;\n\t\tthis.radius = 1;\n\t\tthis.blurSamples = 8;\n\n\t\tthis.mapSize = new Vector2( 512, 512 );\n\n\t\tthis.map = null;\n\t\tthis.mapPass = null;\n\t\tthis.matrix = new Matrix4();\n\n\t\tthis.autoUpdate = true;\n\t\tthis.needsUpdate = false;\n\n\t\tthis._frustum = new Frustum();\n\t\tthis._frameExtents = new Vector2( 1, 1 );\n\n\t\tthis._viewportCount = 1;\n\n\t\tthis._viewports = [\n\n\t\t\tnew Vector4( 0, 0, 1, 1 )\n\n\t\t];\n\n\t}\n\n\tgetViewportCount() {\n\n\t\treturn this._viewportCount;\n\n\t}\n\n\tgetFrustum() {\n\n\t\treturn this._frustum;\n\n\t}\n\n\tupdateMatrices( light ) {\n\n\t\tconst shadowCamera = this.camera;\n\t\tconst shadowMatrix = this.matrix;\n\n\t\t_lightPositionWorld$1.setFromMatrixPosition( light.matrixWorld );\n\t\tshadowCamera.position.copy( _lightPositionWorld$1 );\n\n\t\t_lookTarget$1.setFromMatrixPosition( light.target.matrixWorld );\n\t\tshadowCamera.lookAt( _lookTarget$1 );\n\t\tshadowCamera.updateMatrixWorld();\n\n\t\t_projScreenMatrix$1.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse );\n\t\tthis._frustum.setFromProjectionMatrix( _projScreenMatrix$1 );\n\n\t\tshadowMatrix.set(\n\t\t\t0.5, 0.0, 0.0, 0.5,\n\t\t\t0.0, 0.5, 0.0, 0.5,\n\t\t\t0.0, 0.0, 0.5, 0.5,\n\t\t\t0.0, 0.0, 0.0, 1.0\n\t\t);\n\n\t\tshadowMatrix.multiply( shadowCamera.projectionMatrix );\n\t\tshadowMatrix.multiply( shadowCamera.matrixWorldInverse );\n\n\t}\n\n\tgetViewport( viewportIndex ) {\n\n\t\treturn this._viewports[ viewportIndex ];\n\n\t}\n\n\tgetFrameExtents() {\n\n\t\treturn this._frameExtents;\n\n\t}\n\n\tdispose() {\n\n\t\tif ( this.map ) {\n\n\t\t\tthis.map.dispose();\n\n\t\t}\n\n\t\tif ( this.mapPass ) {\n\n\t\t\tthis.mapPass.dispose();\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.camera = source.camera.clone();\n\n\t\tthis.bias = source.bias;\n\t\tthis.radius = source.radius;\n\n\t\tthis.mapSize.copy( source.mapSize );\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst object = {};\n\n\t\tif ( this.bias !== 0 ) object.bias = this.bias;\n\t\tif ( this.normalBias !== 0 ) object.normalBias = this.normalBias;\n\t\tif ( this.radius !== 1 ) object.radius = this.radius;\n\t\tif ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray();\n\n\t\tobject.camera = this.camera.toJSON( false ).object;\n\t\tdelete object.camera.matrix;\n\n\t\treturn object;\n\n\t}\n\n}\n\nclass SpotLightShadow extends LightShadow {\n\n\tconstructor() {\n\n\t\tsuper( new PerspectiveCamera( 50, 1, 0.5, 500 ) );\n\n\t\tthis.focus = 1;\n\n\t}\n\n\tupdateMatrices( light ) {\n\n\t\tconst camera = this.camera;\n\n\t\tconst fov = RAD2DEG * 2 * light.angle * this.focus;\n\t\tconst aspect = this.mapSize.width / this.mapSize.height;\n\t\tconst far = light.distance || camera.far;\n\n\t\tif ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) {\n\n\t\t\tcamera.fov = fov;\n\t\t\tcamera.aspect = aspect;\n\t\t\tcamera.far = far;\n\t\t\tcamera.updateProjectionMatrix();\n\n\t\t}\n\n\t\tsuper.updateMatrices( light );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.focus = source.focus;\n\n\t\treturn this;\n\n\t}\n\n}\n\nSpotLightShadow.prototype.isSpotLightShadow = true;\n\nclass SpotLight extends Light {\n\n\tconstructor( color, intensity, distance = 0, angle = Math.PI / 3, penumbra = 0, decay = 1 ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.type = 'SpotLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tthis.distance = distance;\n\t\tthis.angle = angle;\n\t\tthis.penumbra = penumbra;\n\t\tthis.decay = decay; // for physically correct lights, should be 2.\n\n\t\tthis.shadow = new SpotLightShadow();\n\n\t}\n\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in candela)\n\t\t// by convention for a spotlight, luminous power (lm) = \u03C0 * luminous intensity (cd)\n\t\treturn this.intensity * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in candela) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / Math.PI;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.distance = source.distance;\n\t\tthis.angle = source.angle;\n\t\tthis.penumbra = source.penumbra;\n\t\tthis.decay = source.decay;\n\n\t\tthis.target = source.target.clone();\n\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nSpotLight.prototype.isSpotLight = true;\n\nconst _projScreenMatrix = /*@__PURE__*/ new Matrix4();\nconst _lightPositionWorld = /*@__PURE__*/ new Vector3();\nconst _lookTarget = /*@__PURE__*/ new Vector3();\n\nclass PointLightShadow extends LightShadow {\n\n\tconstructor() {\n\n\t\tsuper( new PerspectiveCamera( 90, 1, 0.5, 500 ) );\n\n\t\tthis._frameExtents = new Vector2( 4, 2 );\n\n\t\tthis._viewportCount = 6;\n\n\t\tthis._viewports = [\n\t\t\t// These viewports map a cube-map onto a 2D texture with the\n\t\t\t// following orientation:\n\t\t\t//\n\t\t\t// xzXZ\n\t\t\t// y Y\n\t\t\t//\n\t\t\t// X - Positive x direction\n\t\t\t// x - Negative x direction\n\t\t\t// Y - Positive y direction\n\t\t\t// y - Negative y direction\n\t\t\t// Z - Positive z direction\n\t\t\t// z - Negative z direction\n\n\t\t\t// positive X\n\t\t\tnew Vector4( 2, 1, 1, 1 ),\n\t\t\t// negative X\n\t\t\tnew Vector4( 0, 1, 1, 1 ),\n\t\t\t// positive Z\n\t\t\tnew Vector4( 3, 1, 1, 1 ),\n\t\t\t// negative Z\n\t\t\tnew Vector4( 1, 1, 1, 1 ),\n\t\t\t// positive Y\n\t\t\tnew Vector4( 3, 0, 1, 1 ),\n\t\t\t// negative Y\n\t\t\tnew Vector4( 1, 0, 1, 1 )\n\t\t];\n\n\t\tthis._cubeDirections = [\n\t\t\tnew Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ),\n\t\t\tnew Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 )\n\t\t];\n\n\t\tthis._cubeUps = [\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ),\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ),\tnew Vector3( 0, 0, - 1 )\n\t\t];\n\n\t}\n\n\tupdateMatrices( light, viewportIndex = 0 ) {\n\n\t\tconst camera = this.camera;\n\t\tconst shadowMatrix = this.matrix;\n\n\t\tconst far = light.distance || camera.far;\n\n\t\tif ( far !== camera.far ) {\n\n\t\t\tcamera.far = far;\n\t\t\tcamera.updateProjectionMatrix();\n\n\t\t}\n\n\t\t_lightPositionWorld.setFromMatrixPosition( light.matrixWorld );\n\t\tcamera.position.copy( _lightPositionWorld );\n\n\t\t_lookTarget.copy( camera.position );\n\t\t_lookTarget.add( this._cubeDirections[ viewportIndex ] );\n\t\tcamera.up.copy( this._cubeUps[ viewportIndex ] );\n\t\tcamera.lookAt( _lookTarget );\n\t\tcamera.updateMatrixWorld();\n\n\t\tshadowMatrix.makeTranslation( - _lightPositionWorld.x, - _lightPositionWorld.y, - _lightPositionWorld.z );\n\n\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\tthis._frustum.setFromProjectionMatrix( _projScreenMatrix );\n\n\t}\n\n}\n\nPointLightShadow.prototype.isPointLightShadow = true;\n\nclass PointLight extends Light {\n\n\tconstructor( color, intensity, distance = 0, decay = 1 ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.type = 'PointLight';\n\n\t\tthis.distance = distance;\n\t\tthis.decay = decay; // for physically correct lights, should be 2.\n\n\t\tthis.shadow = new PointLightShadow();\n\n\t}\n\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in candela)\n\t\t// for an isotropic light source, luminous power (lm) = 4 \u03C0 luminous intensity (cd)\n\t\treturn this.intensity * 4 * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in candela) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / ( 4 * Math.PI );\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.distance = source.distance;\n\t\tthis.decay = source.decay;\n\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nPointLight.prototype.isPointLight = true;\n\nclass DirectionalLightShadow extends LightShadow {\n\n\tconstructor() {\n\n\t\tsuper( new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) );\n\n\t}\n\n}\n\nDirectionalLightShadow.prototype.isDirectionalLightShadow = true;\n\nclass DirectionalLight extends Light {\n\n\tconstructor( color, intensity ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.type = 'DirectionalLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tthis.shadow = new DirectionalLightShadow();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.target = source.target.clone();\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nDirectionalLight.prototype.isDirectionalLight = true;\n\nclass AmbientLight extends Light {\n\n\tconstructor( color, intensity ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.type = 'AmbientLight';\n\n\t}\n\n}\n\nAmbientLight.prototype.isAmbientLight = true;\n\nclass RectAreaLight extends Light {\n\n\tconstructor( color, intensity, width = 10, height = 10 ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.type = 'RectAreaLight';\n\n\t\tthis.width = width;\n\t\tthis.height = height;\n\n\t}\n\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in nits)\n\t\treturn this.intensity * this.width * this.height * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in nits) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / ( this.width * this.height * Math.PI );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.width = source.width;\n\t\tthis.height = source.height;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.width = this.width;\n\t\tdata.object.height = this.height;\n\n\t\treturn data;\n\n\t}\n\n}\n\nRectAreaLight.prototype.isRectAreaLight = true;\n\n/**\n * Primary reference:\n * https://graphics.stanford.edu/papers/envmap/envmap.pdf\n *\n * Secondary reference:\n * https://www.ppsloan.org/publications/StupidSH36.pdf\n */\n\n// 3-band SH defined by 9 coefficients\n\nclass SphericalHarmonics3 {\n\n\tconstructor() {\n\n\t\tthis.coefficients = [];\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients.push( new Vector3() );\n\n\t\t}\n\n\t}\n\n\tset( coefficients ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].copy( coefficients[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tzero() {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].set( 0, 0, 0 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// get the radiance in the direction of the normal\n\t// target is a Vector3\n\tgetAt( normal, target ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\tconst coeff = this.coefficients;\n\n\t\t// band 0\n\t\ttarget.copy( coeff[ 0 ] ).multiplyScalar( 0.282095 );\n\n\t\t// band 1\n\t\ttarget.addScaledVector( coeff[ 1 ], 0.488603 * y );\n\t\ttarget.addScaledVector( coeff[ 2 ], 0.488603 * z );\n\t\ttarget.addScaledVector( coeff[ 3 ], 0.488603 * x );\n\n\t\t// band 2\n\t\ttarget.addScaledVector( coeff[ 4 ], 1.092548 * ( x * y ) );\n\t\ttarget.addScaledVector( coeff[ 5 ], 1.092548 * ( y * z ) );\n\t\ttarget.addScaledVector( coeff[ 6 ], 0.315392 * ( 3.0 * z * z - 1.0 ) );\n\t\ttarget.addScaledVector( coeff[ 7 ], 1.092548 * ( x * z ) );\n\t\ttarget.addScaledVector( coeff[ 8 ], 0.546274 * ( x * x - y * y ) );\n\n\t\treturn target;\n\n\t}\n\n\t// get the irradiance (radiance convolved with cosine lobe) in the direction of the normal\n\t// target is a Vector3\n\t// https://graphics.stanford.edu/papers/envmap/envmap.pdf\n\tgetIrradianceAt( normal, target ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\tconst coeff = this.coefficients;\n\n\t\t// band 0\n\t\ttarget.copy( coeff[ 0 ] ).multiplyScalar( 0.886227 ); // \u03C0 * 0.282095\n\n\t\t// band 1\n\t\ttarget.addScaledVector( coeff[ 1 ], 2.0 * 0.511664 * y ); // ( 2 * \u03C0 / 3 ) * 0.488603\n\t\ttarget.addScaledVector( coeff[ 2 ], 2.0 * 0.511664 * z );\n\t\ttarget.addScaledVector( coeff[ 3 ], 2.0 * 0.511664 * x );\n\n\t\t// band 2\n\t\ttarget.addScaledVector( coeff[ 4 ], 2.0 * 0.429043 * x * y ); // ( \u03C0 / 4 ) * 1.092548\n\t\ttarget.addScaledVector( coeff[ 5 ], 2.0 * 0.429043 * y * z );\n\t\ttarget.addScaledVector( coeff[ 6 ], 0.743125 * z * z - 0.247708 ); // ( \u03C0 / 4 ) * 0.315392 * 3\n\t\ttarget.addScaledVector( coeff[ 7 ], 2.0 * 0.429043 * x * z );\n\t\ttarget.addScaledVector( coeff[ 8 ], 0.429043 * ( x * x - y * y ) ); // ( \u03C0 / 4 ) * 0.546274\n\n\t\treturn target;\n\n\t}\n\n\tadd( sh ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].add( sh.coefficients[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\taddScaledSH( sh, s ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].addScaledVector( sh.coefficients[ i ], s );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tscale( s ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].multiplyScalar( s );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tlerp( sh, alpha ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].lerp( sh.coefficients[ i ], alpha );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tequals( sh ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tif ( ! this.coefficients[ i ].equals( sh.coefficients[ i ] ) ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tcopy( sh ) {\n\n\t\treturn this.set( sh.coefficients );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tconst coefficients = this.coefficients;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tcoefficients[ i ].fromArray( array, offset + ( i * 3 ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst coefficients = this.coefficients;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tcoefficients[ i ].toArray( array, offset + ( i * 3 ) );\n\n\t\t}\n\n\t\treturn array;\n\n\t}\n\n\t// evaluate the basis functions\n\t// shBasis is an Array[ 9 ]\n\tstatic getBasisAt( normal, shBasis ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\t// band 0\n\t\tshBasis[ 0 ] = 0.282095;\n\n\t\t// band 1\n\t\tshBasis[ 1 ] = 0.488603 * y;\n\t\tshBasis[ 2 ] = 0.488603 * z;\n\t\tshBasis[ 3 ] = 0.488603 * x;\n\n\t\t// band 2\n\t\tshBasis[ 4 ] = 1.092548 * x * y;\n\t\tshBasis[ 5 ] = 1.092548 * y * z;\n\t\tshBasis[ 6 ] = 0.315392 * ( 3 * z * z - 1 );\n\t\tshBasis[ 7 ] = 1.092548 * x * z;\n\t\tshBasis[ 8 ] = 0.546274 * ( x * x - y * y );\n\n\t}\n\n}\n\nSphericalHarmonics3.prototype.isSphericalHarmonics3 = true;\n\nclass LightProbe extends Light {\n\n\tconstructor( sh = new SphericalHarmonics3(), intensity = 1 ) {\n\n\t\tsuper( undefined, intensity );\n\n\t\tthis.sh = sh;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.sh.copy( source.sh );\n\n\t\treturn this;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tthis.intensity = json.intensity; // TODO: Move this bit to Light.fromJSON();\n\t\tthis.sh.fromArray( json.sh );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.sh = this.sh.toArray();\n\n\t\treturn data;\n\n\t}\n\n}\n\nLightProbe.prototype.isLightProbe = true;\n\nclass MaterialLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\t\tthis.textures = {};\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( scope.manager );\n\t\tloader.setPath( scope.path );\n\t\tloader.setRequestHeader( scope.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\tconst textures = this.textures;\n\n\t\tfunction getTexture( name ) {\n\n\t\t\tif ( textures[ name ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.MaterialLoader: Undefined texture', name );\n\n\t\t\t}\n\n\t\t\treturn textures[ name ];\n\n\t\t}\n\n\t\tconst material = new Materials[ json.type ]();\n\n\t\tif ( json.uuid !== undefined ) material.uuid = json.uuid;\n\t\tif ( json.name !== undefined ) material.name = json.name;\n\t\tif ( json.color !== undefined && material.color !== undefined ) material.color.setHex( json.color );\n\t\tif ( json.roughness !== undefined ) material.roughness = json.roughness;\n\t\tif ( json.metalness !== undefined ) material.metalness = json.metalness;\n\t\tif ( json.sheen !== undefined ) material.sheen = json.sheen;\n\t\tif ( json.sheenColor !== undefined ) material.sheenColor = new Color().setHex( json.sheenColor );\n\t\tif ( json.sheenRoughness !== undefined ) material.sheenRoughness = json.sheenRoughness;\n\t\tif ( json.emissive !== undefined && material.emissive !== undefined ) material.emissive.setHex( json.emissive );\n\t\tif ( json.specular !== undefined && material.specular !== undefined ) material.specular.setHex( json.specular );\n\t\tif ( json.specularIntensity !== undefined ) material.specularIntensity = json.specularIntensity;\n\t\tif ( json.specularColor !== undefined && material.specularColor !== undefined ) material.specularColor.setHex( json.specularColor );\n\t\tif ( json.shininess !== undefined ) material.shininess = json.shininess;\n\t\tif ( json.clearcoat !== undefined ) material.clearcoat = json.clearcoat;\n\t\tif ( json.clearcoatRoughness !== undefined ) material.clearcoatRoughness = json.clearcoatRoughness;\n\t\tif ( json.transmission !== undefined ) material.transmission = json.transmission;\n\t\tif ( json.thickness !== undefined ) material.thickness = json.thickness;\n\t\tif ( json.attenuationDistance !== undefined ) material.attenuationDistance = json.attenuationDistance;\n\t\tif ( json.attenuationColor !== undefined && material.attenuationColor !== undefined ) material.attenuationColor.setHex( json.attenuationColor );\n\t\tif ( json.fog !== undefined ) material.fog = json.fog;\n\t\tif ( json.flatShading !== undefined ) material.flatShading = json.flatShading;\n\t\tif ( json.blending !== undefined ) material.blending = json.blending;\n\t\tif ( json.combine !== undefined ) material.combine = json.combine;\n\t\tif ( json.side !== undefined ) material.side = json.side;\n\t\tif ( json.shadowSide !== undefined ) material.shadowSide = json.shadowSide;\n\t\tif ( json.opacity !== undefined ) material.opacity = json.opacity;\n\t\tif ( json.format !== undefined ) material.format = json.format;\n\t\tif ( json.transparent !== undefined ) material.transparent = json.transparent;\n\t\tif ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest;\n\t\tif ( json.depthTest !== undefined ) material.depthTest = json.depthTest;\n\t\tif ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite;\n\t\tif ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite;\n\n\t\tif ( json.stencilWrite !== undefined ) material.stencilWrite = json.stencilWrite;\n\t\tif ( json.stencilWriteMask !== undefined ) material.stencilWriteMask = json.stencilWriteMask;\n\t\tif ( json.stencilFunc !== undefined ) material.stencilFunc = json.stencilFunc;\n\t\tif ( json.stencilRef !== undefined ) material.stencilRef = json.stencilRef;\n\t\tif ( json.stencilFuncMask !== undefined ) material.stencilFuncMask = json.stencilFuncMask;\n\t\tif ( json.stencilFail !== undefined ) material.stencilFail = json.stencilFail;\n\t\tif ( json.stencilZFail !== undefined ) material.stencilZFail = json.stencilZFail;\n\t\tif ( json.stencilZPass !== undefined ) material.stencilZPass = json.stencilZPass;\n\n\t\tif ( json.wireframe !== undefined ) material.wireframe = json.wireframe;\n\t\tif ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth;\n\t\tif ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap;\n\t\tif ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin;\n\n\t\tif ( json.rotation !== undefined ) material.rotation = json.rotation;\n\n\t\tif ( json.linewidth !== 1 ) material.linewidth = json.linewidth;\n\t\tif ( json.dashSize !== undefined ) material.dashSize = json.dashSize;\n\t\tif ( json.gapSize !== undefined ) material.gapSize = json.gapSize;\n\t\tif ( json.scale !== undefined ) material.scale = json.scale;\n\n\t\tif ( json.polygonOffset !== undefined ) material.polygonOffset = json.polygonOffset;\n\t\tif ( json.polygonOffsetFactor !== undefined ) material.polygonOffsetFactor = json.polygonOffsetFactor;\n\t\tif ( json.polygonOffsetUnits !== undefined ) material.polygonOffsetUnits = json.polygonOffsetUnits;\n\n\t\tif ( json.dithering !== undefined ) material.dithering = json.dithering;\n\n\t\tif ( json.alphaToCoverage !== undefined ) material.alphaToCoverage = json.alphaToCoverage;\n\t\tif ( json.premultipliedAlpha !== undefined ) material.premultipliedAlpha = json.premultipliedAlpha;\n\n\t\tif ( json.visible !== undefined ) material.visible = json.visible;\n\n\t\tif ( json.toneMapped !== undefined ) material.toneMapped = json.toneMapped;\n\n\t\tif ( json.userData !== undefined ) material.userData = json.userData;\n\n\t\tif ( json.vertexColors !== undefined ) {\n\n\t\t\tif ( typeof json.vertexColors === 'number' ) {\n\n\t\t\t\tmaterial.vertexColors = ( json.vertexColors > 0 ) ? true : false;\n\n\t\t\t} else {\n\n\t\t\t\tmaterial.vertexColors = json.vertexColors;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Shader Material\n\n\t\tif ( json.uniforms !== undefined ) {\n\n\t\t\tfor ( const name in json.uniforms ) {\n\n\t\t\t\tconst uniform = json.uniforms[ name ];\n\n\t\t\t\tmaterial.uniforms[ name ] = {};\n\n\t\t\t\tswitch ( uniform.type ) {\n\n\t\t\t\t\tcase 't':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = getTexture( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'c':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Color().setHex( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v2':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector2().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v3':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector3().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v4':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector4().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'm3':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Matrix3().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'm4':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Matrix4().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = uniform.value;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json.defines !== undefined ) material.defines = json.defines;\n\t\tif ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader;\n\t\tif ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader;\n\n\t\tif ( json.extensions !== undefined ) {\n\n\t\t\tfor ( const key in json.extensions ) {\n\n\t\t\t\tmaterial.extensions[ key ] = json.extensions[ key ];\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Deprecated\n\n\t\tif ( json.shading !== undefined ) material.flatShading = json.shading === 1; // THREE.FlatShading\n\n\t\t// for PointsMaterial\n\n\t\tif ( json.size !== undefined ) material.size = json.size;\n\t\tif ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation;\n\n\t\t// maps\n\n\t\tif ( json.map !== undefined ) material.map = getTexture( json.map );\n\t\tif ( json.matcap !== undefined ) material.matcap = getTexture( json.matcap );\n\n\t\tif ( json.alphaMap !== undefined ) material.alphaMap = getTexture( json.alphaMap );\n\n\t\tif ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap );\n\t\tif ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale;\n\n\t\tif ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap );\n\t\tif ( json.normalMapType !== undefined ) material.normalMapType = json.normalMapType;\n\t\tif ( json.normalScale !== undefined ) {\n\n\t\t\tlet normalScale = json.normalScale;\n\n\t\t\tif ( Array.isArray( normalScale ) === false ) {\n\n\t\t\t\t// Blender exporter used to export a scalar. See #7459\n\n\t\t\t\tnormalScale = [ normalScale, normalScale ];\n\n\t\t\t}\n\n\t\t\tmaterial.normalScale = new Vector2().fromArray( normalScale );\n\n\t\t}\n\n\t\tif ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap );\n\t\tif ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale;\n\t\tif ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias;\n\n\t\tif ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap );\n\t\tif ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap );\n\n\t\tif ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap );\n\t\tif ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity;\n\n\t\tif ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap );\n\t\tif ( json.specularIntensityMap !== undefined ) material.specularIntensityMap = getTexture( json.specularIntensityMap );\n\t\tif ( json.specularColorMap !== undefined ) material.specularColorMap = getTexture( json.specularColorMap );\n\n\t\tif ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap );\n\t\tif ( json.envMapIntensity !== undefined ) material.envMapIntensity = json.envMapIntensity;\n\n\t\tif ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity;\n\t\tif ( json.refractionRatio !== undefined ) material.refractionRatio = json.refractionRatio;\n\n\t\tif ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap );\n\t\tif ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity;\n\n\t\tif ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap );\n\t\tif ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity;\n\n\t\tif ( json.gradientMap !== undefined ) material.gradientMap = getTexture( json.gradientMap );\n\n\t\tif ( json.clearcoatMap !== undefined ) material.clearcoatMap = getTexture( json.clearcoatMap );\n\t\tif ( json.clearcoatRoughnessMap !== undefined ) material.clearcoatRoughnessMap = getTexture( json.clearcoatRoughnessMap );\n\t\tif ( json.clearcoatNormalMap !== undefined ) material.clearcoatNormalMap = getTexture( json.clearcoatNormalMap );\n\t\tif ( json.clearcoatNormalScale !== undefined ) material.clearcoatNormalScale = new Vector2().fromArray( json.clearcoatNormalScale );\n\n\t\tif ( json.transmissionMap !== undefined ) material.transmissionMap = getTexture( json.transmissionMap );\n\t\tif ( json.thicknessMap !== undefined ) material.thicknessMap = getTexture( json.thicknessMap );\n\n\t\tif ( json.sheenColorMap !== undefined ) material.sheenColorMap = getTexture( json.sheenColorMap );\n\t\tif ( json.sheenRoughnessMap !== undefined ) material.sheenRoughnessMap = getTexture( json.sheenRoughnessMap );\n\n\t\treturn material;\n\n\t}\n\n\tsetTextures( value ) {\n\n\t\tthis.textures = value;\n\t\treturn this;\n\n\t}\n\n}\n\nclass LoaderUtils {\n\n\tstatic decodeText( array ) {\n\n\t\tif ( typeof TextDecoder !== 'undefined' ) {\n\n\t\t\treturn new TextDecoder().decode( array );\n\n\t\t}\n\n\t\t// Avoid the String.fromCharCode.apply(null, array) shortcut, which\n\t\t// throws a \"maximum call stack size exceeded\" error for large arrays.\n\n\t\tlet s = '';\n\n\t\tfor ( let i = 0, il = array.length; i < il; i ++ ) {\n\n\t\t\t// Implicitly assumes little-endian.\n\t\t\ts += String.fromCharCode( array[ i ] );\n\n\t\t}\n\n\t\ttry {\n\n\t\t\t// merges multi-byte utf-8 characters.\n\n\t\t\treturn decodeURIComponent( escape( s ) );\n\n\t\t} catch ( e ) { // see #16358\n\n\t\t\treturn s;\n\n\t\t}\n\n\t}\n\n\tstatic extractUrlBase( url ) {\n\n\t\tconst index = url.lastIndexOf( '/' );\n\n\t\tif ( index === - 1 ) return './';\n\n\t\treturn url.substr( 0, index + 1 );\n\n\t}\n\n\tstatic resolveURL( url, path ) {\n\n\t\t// Invalid URL\n\t\tif ( typeof url !== 'string' || url === '' ) return '';\n\n\t\t// Host Relative URL\n\t\tif ( /^https?:\\/\\//i.test( path ) && /^\\//.test( url ) ) {\n\n\t\t\tpath = path.replace( /(^https?:\\/\\/[^\\/]+).*/i, '$1' );\n\n\t\t}\n\n\t\t// Absolute URL http://,https://,//\n\t\tif ( /^(https?:)?\\/\\//i.test( url ) ) return url;\n\n\t\t// Data URI\n\t\tif ( /^data:.*,.*$/i.test( url ) ) return url;\n\n\t\t// Blob URL\n\t\tif ( /^blob:.*$/i.test( url ) ) return url;\n\n\t\t// Relative URL\n\t\treturn path + url;\n\n\t}\n\n}\n\nclass InstancedBufferGeometry extends BufferGeometry {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'InstancedBufferGeometry';\n\t\tthis.instanceCount = Infinity;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.instanceCount = source.instanceCount;\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON( this );\n\n\t\tdata.instanceCount = this.instanceCount;\n\n\t\tdata.isInstancedBufferGeometry = true;\n\n\t\treturn data;\n\n\t}\n\n}\n\nInstancedBufferGeometry.prototype.isInstancedBufferGeometry = true;\n\nclass BufferGeometryLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( scope.manager );\n\t\tloader.setPath( scope.path );\n\t\tloader.setRequestHeader( scope.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\tconst interleavedBufferMap = {};\n\t\tconst arrayBufferMap = {};\n\n\t\tfunction getInterleavedBuffer( json, uuid ) {\n\n\t\t\tif ( interleavedBufferMap[ uuid ] !== undefined ) return interleavedBufferMap[ uuid ];\n\n\t\t\tconst interleavedBuffers = json.interleavedBuffers;\n\t\t\tconst interleavedBuffer = interleavedBuffers[ uuid ];\n\n\t\t\tconst buffer = getArrayBuffer( json, interleavedBuffer.buffer );\n\n\t\t\tconst array = getTypedArray( interleavedBuffer.type, buffer );\n\t\t\tconst ib = new InterleavedBuffer( array, interleavedBuffer.stride );\n\t\t\tib.uuid = interleavedBuffer.uuid;\n\n\t\t\tinterleavedBufferMap[ uuid ] = ib;\n\n\t\t\treturn ib;\n\n\t\t}\n\n\t\tfunction getArrayBuffer( json, uuid ) {\n\n\t\t\tif ( arrayBufferMap[ uuid ] !== undefined ) return arrayBufferMap[ uuid ];\n\n\t\t\tconst arrayBuffers = json.arrayBuffers;\n\t\t\tconst arrayBuffer = arrayBuffers[ uuid ];\n\n\t\t\tconst ab = new Uint32Array( arrayBuffer ).buffer;\n\n\t\t\tarrayBufferMap[ uuid ] = ab;\n\n\t\t\treturn ab;\n\n\t\t}\n\n\t\tconst geometry = json.isInstancedBufferGeometry ? new InstancedBufferGeometry() : new BufferGeometry();\n\n\t\tconst index = json.data.index;\n\n\t\tif ( index !== undefined ) {\n\n\t\t\tconst typedArray = getTypedArray( index.type, index.array );\n\t\t\tgeometry.setIndex( new BufferAttribute( typedArray, 1 ) );\n\n\t\t}\n\n\t\tconst attributes = json.data.attributes;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tconst attribute = attributes[ key ];\n\t\t\tlet bufferAttribute;\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\tconst interleavedBuffer = getInterleavedBuffer( json.data, attribute.data );\n\t\t\t\tbufferAttribute = new InterleavedBufferAttribute( interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized );\n\n\t\t\t} else {\n\n\t\t\t\tconst typedArray = getTypedArray( attribute.type, attribute.array );\n\t\t\t\tconst bufferAttributeConstr = attribute.isInstancedBufferAttribute ? InstancedBufferAttribute : BufferAttribute;\n\t\t\t\tbufferAttribute = new bufferAttributeConstr( typedArray, attribute.itemSize, attribute.normalized );\n\n\t\t\t}\n\n\t\t\tif ( attribute.name !== undefined ) bufferAttribute.name = attribute.name;\n\t\t\tif ( attribute.usage !== undefined ) bufferAttribute.setUsage( attribute.usage );\n\n\t\t\tif ( attribute.updateRange !== undefined ) {\n\n\t\t\t\tbufferAttribute.updateRange.offset = attribute.updateRange.offset;\n\t\t\t\tbufferAttribute.updateRange.count = attribute.updateRange.count;\n\n\t\t\t}\n\n\t\t\tgeometry.setAttribute( key, bufferAttribute );\n\n\t\t}\n\n\t\tconst morphAttributes = json.data.morphAttributes;\n\n\t\tif ( morphAttributes ) {\n\n\t\t\tfor ( const key in morphAttributes ) {\n\n\t\t\t\tconst attributeArray = morphAttributes[ key ];\n\n\t\t\t\tconst array = [];\n\n\t\t\t\tfor ( let i = 0, il = attributeArray.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst attribute = attributeArray[ i ];\n\t\t\t\t\tlet bufferAttribute;\n\n\t\t\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\tconst interleavedBuffer = getInterleavedBuffer( json.data, attribute.data );\n\t\t\t\t\t\tbufferAttribute = new InterleavedBufferAttribute( interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst typedArray = getTypedArray( attribute.type, attribute.array );\n\t\t\t\t\t\tbufferAttribute = new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( attribute.name !== undefined ) bufferAttribute.name = attribute.name;\n\t\t\t\t\tarray.push( bufferAttribute );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.morphAttributes[ key ] = array;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst morphTargetsRelative = json.data.morphTargetsRelative;\n\n\t\tif ( morphTargetsRelative ) {\n\n\t\t\tgeometry.morphTargetsRelative = true;\n\n\t\t}\n\n\t\tconst groups = json.data.groups || json.data.drawcalls || json.data.offsets;\n\n\t\tif ( groups !== undefined ) {\n\n\t\t\tfor ( let i = 0, n = groups.length; i !== n; ++ i ) {\n\n\t\t\t\tconst group = groups[ i ];\n\n\t\t\t\tgeometry.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst boundingSphere = json.data.boundingSphere;\n\n\t\tif ( boundingSphere !== undefined ) {\n\n\t\t\tconst center = new Vector3();\n\n\t\t\tif ( boundingSphere.center !== undefined ) {\n\n\t\t\t\tcenter.fromArray( boundingSphere.center );\n\n\t\t\t}\n\n\t\t\tgeometry.boundingSphere = new Sphere( center, boundingSphere.radius );\n\n\t\t}\n\n\t\tif ( json.name ) geometry.name = json.name;\n\t\tif ( json.userData ) geometry.userData = json.userData;\n\n\t\treturn geometry;\n\n\t}\n\n}\n\nclass ObjectLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path;\n\t\tthis.resourcePath = this.resourcePath || path;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\tlet json = null;\n\n\t\t\ttry {\n\n\t\t\t\tjson = JSON.parse( text );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tif ( onError !== undefined ) onError( error );\n\n\t\t\t\tconsole.error( 'THREE:ObjectLoader: Can\\'t parse ' + url + '.', error.message );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tconst metadata = json.metadata;\n\n\t\t\tif ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) {\n\n\t\t\t\tconsole.error( 'THREE.ObjectLoader: Can\\'t load ' + url );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tscope.parse( json, onLoad );\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tasync loadAsync( url, onProgress ) {\n\n\t\tconst scope = this;\n\n\t\tconst path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path;\n\t\tthis.resourcePath = this.resourcePath || path;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\n\t\tconst text = await loader.loadAsync( url, onProgress );\n\n\t\tconst json = JSON.parse( text );\n\n\t\tconst metadata = json.metadata;\n\n\t\tif ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) {\n\n\t\t\tthrow new Error( 'THREE.ObjectLoader: Can\\'t load ' + url );\n\n\t\t}\n\n\t\treturn await scope.parseAsync( json );\n\n\t}\n\n\tparse( json, onLoad ) {\n\n\t\tconst animations = this.parseAnimations( json.animations );\n\t\tconst shapes = this.parseShapes( json.shapes );\n\t\tconst geometries = this.parseGeometries( json.geometries, shapes );\n\n\t\tconst images = this.parseImages( json.images, function () {\n\n\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t} );\n\n\t\tconst textures = this.parseTextures( json.textures, images );\n\t\tconst materials = this.parseMaterials( json.materials, textures );\n\n\t\tconst object = this.parseObject( json.object, geometries, materials, textures, animations );\n\t\tconst skeletons = this.parseSkeletons( json.skeletons, object );\n\n\t\tthis.bindSkeletons( object, skeletons );\n\n\t\t//\n\n\t\tif ( onLoad !== undefined ) {\n\n\t\t\tlet hasImages = false;\n\n\t\t\tfor ( const uuid in images ) {\n\n\t\t\t\tif ( images[ uuid ] instanceof HTMLImageElement ) {\n\n\t\t\t\t\thasImages = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( hasImages === false ) onLoad( object );\n\n\t\t}\n\n\t\treturn object;\n\n\t}\n\n\tasync parseAsync( json ) {\n\n\t\tconst animations = this.parseAnimations( json.animations );\n\t\tconst shapes = this.parseShapes( json.shapes );\n\t\tconst geometries = this.parseGeometries( json.geometries, shapes );\n\n\t\tconst images = await this.parseImagesAsync( json.images );\n\n\t\tconst textures = this.parseTextures( json.textures, images );\n\t\tconst materials = this.parseMaterials( json.materials, textures );\n\n\t\tconst object = this.parseObject( json.object, geometries, materials, textures, animations );\n\t\tconst skeletons = this.parseSkeletons( json.skeletons, object );\n\n\t\tthis.bindSkeletons( object, skeletons );\n\n\t\treturn object;\n\n\t}\n\n\tparseShapes( json ) {\n\n\t\tconst shapes = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst shape = new Shape().fromJSON( json[ i ] );\n\n\t\t\t\tshapes[ shape.uuid ] = shape;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn shapes;\n\n\t}\n\n\tparseSkeletons( json, object ) {\n\n\t\tconst skeletons = {};\n\t\tconst bones = {};\n\n\t\t// generate bone lookup table\n\n\t\tobject.traverse( function ( child ) {\n\n\t\t\tif ( child.isBone ) bones[ child.uuid ] = child;\n\n\t\t} );\n\n\t\t// create skeletons\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst skeleton = new Skeleton().fromJSON( json[ i ], bones );\n\n\t\t\t\tskeletons[ skeleton.uuid ] = skeleton;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn skeletons;\n\n\t}\n\n\tparseGeometries( json, shapes ) {\n\n\t\tconst geometries = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tconst bufferGeometryLoader = new BufferGeometryLoader();\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tlet geometry;\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\tcase 'BufferGeometry':\n\t\t\t\t\tcase 'InstancedBufferGeometry':\n\n\t\t\t\t\t\tgeometry = bufferGeometryLoader.parse( data );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Geometry':\n\n\t\t\t\t\t\tconsole.error( 'THREE.ObjectLoader: The legacy Geometry type is no longer supported.' );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tif ( data.type in Geometries ) {\n\n\t\t\t\t\t\t\tgeometry = Geometries[ data.type ].fromJSON( data, shapes );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tconsole.warn( `THREE.ObjectLoader: Unsupported geometry type \"${ data.type }\"` );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) geometry.name = data.name;\n\t\t\t\tif ( geometry.isBufferGeometry === true && data.userData !== undefined ) geometry.userData = data.userData;\n\n\t\t\t\tgeometries[ data.uuid ] = geometry;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn geometries;\n\n\t}\n\n\tparseMaterials( json, textures ) {\n\n\t\tconst cache = {}; // MultiMaterial\n\t\tconst materials = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tconst loader = new MaterialLoader();\n\t\t\tloader.setTextures( textures );\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tif ( data.type === 'MultiMaterial' ) {\n\n\t\t\t\t\t// Deprecated\n\n\t\t\t\t\tconst array = [];\n\n\t\t\t\t\tfor ( let j = 0; j < data.materials.length; j ++ ) {\n\n\t\t\t\t\t\tconst material = data.materials[ j ];\n\n\t\t\t\t\t\tif ( cache[ material.uuid ] === undefined ) {\n\n\t\t\t\t\t\t\tcache[ material.uuid ] = loader.parse( material );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tarray.push( cache[ material.uuid ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tmaterials[ data.uuid ] = array;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( cache[ data.uuid ] === undefined ) {\n\n\t\t\t\t\t\tcache[ data.uuid ] = loader.parse( data );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tmaterials[ data.uuid ] = cache[ data.uuid ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn materials;\n\n\t}\n\n\tparseAnimations( json ) {\n\n\t\tconst animations = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0; i < json.length; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tconst clip = AnimationClip.parse( data );\n\n\t\t\t\tanimations[ clip.uuid ] = clip;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn animations;\n\n\t}\n\n\tparseImages( json, onLoad ) {\n\n\t\tconst scope = this;\n\t\tconst images = {};\n\n\t\tlet loader;\n\n\t\tfunction loadImage( url ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn loader.load( url, function () {\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, undefined, function () {\n\n\t\t\t\tscope.manager.itemError( url );\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t} );\n\n\t\t}\n\n\t\tfunction deserializeImage( image ) {\n\n\t\t\tif ( typeof image === 'string' ) {\n\n\t\t\t\tconst url = image;\n\n\t\t\t\tconst path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( url ) ? url : scope.resourcePath + url;\n\n\t\t\t\treturn loadImage( path );\n\n\t\t\t} else {\n\n\t\t\t\tif ( image.data ) {\n\n\t\t\t\t\treturn {\n\t\t\t\t\t\tdata: getTypedArray( image.type, image.data ),\n\t\t\t\t\t\twidth: image.width,\n\t\t\t\t\t\theight: image.height\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\tconst manager = new LoadingManager( onLoad );\n\n\t\t\tloader = new ImageLoader( manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tfor ( let i = 0, il = json.length; i < il; i ++ ) {\n\n\t\t\t\tconst image = json[ i ];\n\t\t\t\tconst url = image.url;\n\n\t\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\t\t// load array of images e.g CubeTexture\n\n\t\t\t\t\timages[ image.uuid ] = [];\n\n\t\t\t\t\tfor ( let j = 0, jl = url.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tconst currentUrl = url[ j ];\n\n\t\t\t\t\t\tconst deserializedImage = deserializeImage( currentUrl );\n\n\t\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\t\tif ( deserializedImage instanceof HTMLImageElement ) {\n\n\t\t\t\t\t\t\t\timages[ image.uuid ].push( deserializedImage );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// special case: handle array of data textures for cube textures\n\n\t\t\t\t\t\t\t\timages[ image.uuid ].push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// load single image\n\n\t\t\t\t\tconst deserializedImage = deserializeImage( image.url );\n\n\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\timages[ image.uuid ] = deserializedImage;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn images;\n\n\t}\n\n\tasync parseImagesAsync( json ) {\n\n\t\tconst scope = this;\n\t\tconst images = {};\n\n\t\tlet loader;\n\n\t\tasync function deserializeImage( image ) {\n\n\t\t\tif ( typeof image === 'string' ) {\n\n\t\t\t\tconst url = image;\n\n\t\t\t\tconst path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( url ) ? url : scope.resourcePath + url;\n\n\t\t\t\treturn await loader.loadAsync( path );\n\n\t\t\t} else {\n\n\t\t\t\tif ( image.data ) {\n\n\t\t\t\t\treturn {\n\t\t\t\t\t\tdata: getTypedArray( image.type, image.data ),\n\t\t\t\t\t\twidth: image.width,\n\t\t\t\t\t\theight: image.height\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\tloader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tfor ( let i = 0, il = json.length; i < il; i ++ ) {\n\n\t\t\t\tconst image = json[ i ];\n\t\t\t\tconst url = image.url;\n\n\t\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\t\t// load array of images e.g CubeTexture\n\n\t\t\t\t\timages[ image.uuid ] = [];\n\n\t\t\t\t\tfor ( let j = 0, jl = url.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tconst currentUrl = url[ j ];\n\n\t\t\t\t\t\tconst deserializedImage = await deserializeImage( currentUrl );\n\n\t\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\t\tif ( deserializedImage instanceof HTMLImageElement ) {\n\n\t\t\t\t\t\t\t\timages[ image.uuid ].push( deserializedImage );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// special case: handle array of data textures for cube textures\n\n\t\t\t\t\t\t\t\timages[ image.uuid ].push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// load single image\n\n\t\t\t\t\tconst deserializedImage = await deserializeImage( image.url );\n\n\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\timages[ image.uuid ] = deserializedImage;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn images;\n\n\t}\n\n\tparseTextures( json, images ) {\n\n\t\tfunction parseConstant( value, type ) {\n\n\t\t\tif ( typeof value === 'number' ) return value;\n\n\t\t\tconsole.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value );\n\n\t\t\treturn type[ value ];\n\n\t\t}\n\n\t\tconst textures = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tif ( data.image === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: No \"image\" specified for', data.uuid );\n\n\t\t\t\t}\n\n\t\t\t\tif ( images[ data.image ] === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined image', data.image );\n\n\t\t\t\t}\n\n\t\t\t\tlet texture;\n\t\t\t\tconst image = images[ data.image ];\n\n\t\t\t\tif ( Array.isArray( image ) ) {\n\n\t\t\t\t\ttexture = new CubeTexture( image );\n\n\t\t\t\t\tif ( image.length === 6 ) texture.needsUpdate = true;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( image && image.data ) {\n\n\t\t\t\t\t\ttexture = new DataTexture( image.data, image.width, image.height );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttexture = new Texture( image );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( image ) texture.needsUpdate = true; // textures can have undefined image data\n\n\t\t\t\t}\n\n\t\t\t\ttexture.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) texture.name = data.name;\n\n\t\t\t\tif ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TEXTURE_MAPPING );\n\n\t\t\t\tif ( data.offset !== undefined ) texture.offset.fromArray( data.offset );\n\t\t\t\tif ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat );\n\t\t\t\tif ( data.center !== undefined ) texture.center.fromArray( data.center );\n\t\t\t\tif ( data.rotation !== undefined ) texture.rotation = data.rotation;\n\n\t\t\t\tif ( data.wrap !== undefined ) {\n\n\t\t\t\t\ttexture.wrapS = parseConstant( data.wrap[ 0 ], TEXTURE_WRAPPING );\n\t\t\t\t\ttexture.wrapT = parseConstant( data.wrap[ 1 ], TEXTURE_WRAPPING );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.format !== undefined ) texture.format = data.format;\n\t\t\t\tif ( data.type !== undefined ) texture.type = data.type;\n\t\t\t\tif ( data.encoding !== undefined ) texture.encoding = data.encoding;\n\n\t\t\t\tif ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TEXTURE_FILTER );\n\t\t\t\tif ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TEXTURE_FILTER );\n\t\t\t\tif ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy;\n\n\t\t\t\tif ( data.flipY !== undefined ) texture.flipY = data.flipY;\n\n\t\t\t\tif ( data.premultiplyAlpha !== undefined ) texture.premultiplyAlpha = data.premultiplyAlpha;\n\t\t\t\tif ( data.unpackAlignment !== undefined ) texture.unpackAlignment = data.unpackAlignment;\n\n\t\t\t\tif ( data.userData !== undefined ) texture.userData = data.userData;\n\n\t\t\t\ttextures[ data.uuid ] = texture;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn textures;\n\n\t}\n\n\tparseObject( data, geometries, materials, textures, animations ) {\n\n\t\tlet object;\n\n\t\tfunction getGeometry( name ) {\n\n\t\t\tif ( geometries[ name ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined geometry', name );\n\n\t\t\t}\n\n\t\t\treturn geometries[ name ];\n\n\t\t}\n\n\t\tfunction getMaterial( name ) {\n\n\t\t\tif ( name === undefined ) return undefined;\n\n\t\t\tif ( Array.isArray( name ) ) {\n\n\t\t\t\tconst array = [];\n\n\t\t\t\tfor ( let i = 0, l = name.length; i < l; i ++ ) {\n\n\t\t\t\t\tconst uuid = name[ i ];\n\n\t\t\t\t\tif ( materials[ uuid ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined material', uuid );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tarray.push( materials[ uuid ] );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t}\n\n\t\t\tif ( materials[ name ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined material', name );\n\n\t\t\t}\n\n\t\t\treturn materials[ name ];\n\n\t\t}\n\n\t\tfunction getTexture( uuid ) {\n\n\t\t\tif ( textures[ uuid ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined texture', uuid );\n\n\t\t\t}\n\n\t\t\treturn textures[ uuid ];\n\n\t\t}\n\n\t\tlet geometry, material;\n\n\t\tswitch ( data.type ) {\n\n\t\t\tcase 'Scene':\n\n\t\t\t\tobject = new Scene();\n\n\t\t\t\tif ( data.background !== undefined ) {\n\n\t\t\t\t\tif ( Number.isInteger( data.background ) ) {\n\n\t\t\t\t\t\tobject.background = new Color( data.background );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tobject.background = getTexture( data.background );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.environment !== undefined ) {\n\n\t\t\t\t\tobject.environment = getTexture( data.environment );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.fog !== undefined ) {\n\n\t\t\t\t\tif ( data.fog.type === 'Fog' ) {\n\n\t\t\t\t\t\tobject.fog = new Fog( data.fog.color, data.fog.near, data.fog.far );\n\n\t\t\t\t\t} else if ( data.fog.type === 'FogExp2' ) {\n\n\t\t\t\t\t\tobject.fog = new FogExp2( data.fog.color, data.fog.density );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PerspectiveCamera':\n\n\t\t\t\tobject = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far );\n\n\t\t\t\tif ( data.focus !== undefined ) object.focus = data.focus;\n\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\tif ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge;\n\t\t\t\tif ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset;\n\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'OrthographicCamera':\n\n\t\t\t\tobject = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far );\n\n\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'AmbientLight':\n\n\t\t\t\tobject = new AmbientLight( data.color, data.intensity );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'DirectionalLight':\n\n\t\t\t\tobject = new DirectionalLight( data.color, data.intensity );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PointLight':\n\n\t\t\t\tobject = new PointLight( data.color, data.intensity, data.distance, data.decay );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'RectAreaLight':\n\n\t\t\t\tobject = new RectAreaLight( data.color, data.intensity, data.width, data.height );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'SpotLight':\n\n\t\t\t\tobject = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'HemisphereLight':\n\n\t\t\t\tobject = new HemisphereLight( data.color, data.groundColor, data.intensity );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LightProbe':\n\n\t\t\t\tobject = new LightProbe().fromJSON( data );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'SkinnedMesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t \tmaterial = getMaterial( data.material );\n\n\t\t\t\tobject = new SkinnedMesh( geometry, material );\n\n\t\t\t\tif ( data.bindMode !== undefined ) object.bindMode = data.bindMode;\n\t\t\t\tif ( data.bindMatrix !== undefined ) object.bindMatrix.fromArray( data.bindMatrix );\n\t\t\t\tif ( data.skeleton !== undefined ) object.skeleton = data.skeleton;\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Mesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t\tmaterial = getMaterial( data.material );\n\n\t\t\t\tobject = new Mesh( geometry, material );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'InstancedMesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t\tmaterial = getMaterial( data.material );\n\t\t\t\tconst count = data.count;\n\t\t\t\tconst instanceMatrix = data.instanceMatrix;\n\t\t\t\tconst instanceColor = data.instanceColor;\n\n\t\t\t\tobject = new InstancedMesh( geometry, material, count );\n\t\t\t\tobject.instanceMatrix = new InstancedBufferAttribute( new Float32Array( instanceMatrix.array ), 16 );\n\t\t\t\tif ( instanceColor !== undefined ) object.instanceColor = new InstancedBufferAttribute( new Float32Array( instanceColor.array ), instanceColor.itemSize );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LOD':\n\n\t\t\t\tobject = new LOD();\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Line':\n\n\t\t\t\tobject = new Line( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LineLoop':\n\n\t\t\t\tobject = new LineLoop( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LineSegments':\n\n\t\t\t\tobject = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PointCloud':\n\t\t\tcase 'Points':\n\n\t\t\t\tobject = new Points( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Sprite':\n\n\t\t\t\tobject = new Sprite( getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Group':\n\n\t\t\t\tobject = new Group();\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Bone':\n\n\t\t\t\tobject = new Bone();\n\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\n\t\t\t\tobject = new Object3D();\n\n\t\t}\n\n\t\tobject.uuid = data.uuid;\n\n\t\tif ( data.name !== undefined ) object.name = data.name;\n\n\t\tif ( data.matrix !== undefined ) {\n\n\t\t\tobject.matrix.fromArray( data.matrix );\n\n\t\t\tif ( data.matrixAutoUpdate !== undefined ) object.matrixAutoUpdate = data.matrixAutoUpdate;\n\t\t\tif ( object.matrixAutoUpdate ) object.matrix.decompose( object.position, object.quaternion, object.scale );\n\n\t\t} else {\n\n\t\t\tif ( data.position !== undefined ) object.position.fromArray( data.position );\n\t\t\tif ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation );\n\t\t\tif ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion );\n\t\t\tif ( data.scale !== undefined ) object.scale.fromArray( data.scale );\n\n\t\t}\n\n\t\tif ( data.castShadow !== undefined ) object.castShadow = data.castShadow;\n\t\tif ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow;\n\n\t\tif ( data.shadow ) {\n\n\t\t\tif ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias;\n\t\t\tif ( data.shadow.normalBias !== undefined ) object.shadow.normalBias = data.shadow.normalBias;\n\t\t\tif ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius;\n\t\t\tif ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize );\n\t\t\tif ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera );\n\n\t\t}\n\n\t\tif ( data.visible !== undefined ) object.visible = data.visible;\n\t\tif ( data.frustumCulled !== undefined ) object.frustumCulled = data.frustumCulled;\n\t\tif ( data.renderOrder !== undefined ) object.renderOrder = data.renderOrder;\n\t\tif ( data.userData !== undefined ) object.userData = data.userData;\n\t\tif ( data.layers !== undefined ) object.layers.mask = data.layers;\n\n\t\tif ( data.children !== undefined ) {\n\n\t\t\tconst children = data.children;\n\n\t\t\tfor ( let i = 0; i < children.length; i ++ ) {\n\n\t\t\t\tobject.add( this.parseObject( children[ i ], geometries, materials, textures, animations ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( data.animations !== undefined ) {\n\n\t\t\tconst objectAnimations = data.animations;\n\n\t\t\tfor ( let i = 0; i < objectAnimations.length; i ++ ) {\n\n\t\t\t\tconst uuid = objectAnimations[ i ];\n\n\t\t\t\tobject.animations.push( animations[ uuid ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( data.type === 'LOD' ) {\n\n\t\t\tif ( data.autoUpdate !== undefined ) object.autoUpdate = data.autoUpdate;\n\n\t\t\tconst levels = data.levels;\n\n\t\t\tfor ( let l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\tconst level = levels[ l ];\n\t\t\t\tconst child = object.getObjectByProperty( 'uuid', level.object );\n\n\t\t\t\tif ( child !== undefined ) {\n\n\t\t\t\t\tobject.addLevel( child, level.distance );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn object;\n\n\t}\n\n\tbindSkeletons( object, skeletons ) {\n\n\t\tif ( Object.keys( skeletons ).length === 0 ) return;\n\n\t\tobject.traverse( function ( child ) {\n\n\t\t\tif ( child.isSkinnedMesh === true && child.skeleton !== undefined ) {\n\n\t\t\t\tconst skeleton = skeletons[ child.skeleton ];\n\n\t\t\t\tif ( skeleton === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: No skeleton found with UUID:', child.skeleton );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tchild.bind( skeleton, child.bindMatrix );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} );\n\n\t}\n\n\t/* DEPRECATED */\n\n\tsetTexturePath( value ) {\n\n\t\tconsole.warn( 'THREE.ObjectLoader: .setTexturePath() has been renamed to .setResourcePath().' );\n\t\treturn this.setResourcePath( value );\n\n\t}\n\n}\n\nconst TEXTURE_MAPPING = {\n\tUVMapping: UVMapping,\n\tCubeReflectionMapping: CubeReflectionMapping,\n\tCubeRefractionMapping: CubeRefractionMapping,\n\tEquirectangularReflectionMapping: EquirectangularReflectionMapping,\n\tEquirectangularRefractionMapping: EquirectangularRefractionMapping,\n\tCubeUVReflectionMapping: CubeUVReflectionMapping,\n\tCubeUVRefractionMapping: CubeUVRefractionMapping\n};\n\nconst TEXTURE_WRAPPING = {\n\tRepeatWrapping: RepeatWrapping,\n\tClampToEdgeWrapping: ClampToEdgeWrapping,\n\tMirroredRepeatWrapping: MirroredRepeatWrapping\n};\n\nconst TEXTURE_FILTER = {\n\tNearestFilter: NearestFilter,\n\tNearestMipmapNearestFilter: NearestMipmapNearestFilter,\n\tNearestMipmapLinearFilter: NearestMipmapLinearFilter,\n\tLinearFilter: LinearFilter,\n\tLinearMipmapNearestFilter: LinearMipmapNearestFilter,\n\tLinearMipmapLinearFilter: LinearMipmapLinearFilter\n};\n\nclass ImageBitmapLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t\tif ( typeof createImageBitmap === 'undefined' ) {\n\n\t\t\tconsole.warn( 'THREE.ImageBitmapLoader: createImageBitmap() not supported.' );\n\n\t\t}\n\n\t\tif ( typeof fetch === 'undefined' ) {\n\n\t\t\tconsole.warn( 'THREE.ImageBitmapLoader: fetch() not supported.' );\n\n\t\t}\n\n\t\tthis.options = { premultiplyAlpha: 'none' };\n\n\t}\n\n\tsetOptions( options ) {\n\n\t\tthis.options = options;\n\n\t\treturn this;\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( url === undefined ) url = '';\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst scope = this;\n\n\t\tconst cached = Cache.get( url );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\tsetTimeout( function () {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\tconst fetchOptions = {};\n\t\tfetchOptions.credentials = ( this.crossOrigin === 'anonymous' ) ? 'same-origin' : 'include';\n\t\tfetchOptions.headers = this.requestHeader;\n\n\t\tfetch( url, fetchOptions ).then( function ( res ) {\n\n\t\t\treturn res.blob();\n\n\t\t} ).then( function ( blob ) {\n\n\t\t\treturn createImageBitmap( blob, Object.assign( scope.options, { colorSpaceConversion: 'none' } ) );\n\n\t\t} ).then( function ( imageBitmap ) {\n\n\t\t\tCache.add( url, imageBitmap );\n\n\t\t\tif ( onLoad ) onLoad( imageBitmap );\n\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t} ).catch( function ( e ) {\n\n\t\t\tif ( onError ) onError( e );\n\n\t\t\tscope.manager.itemError( url );\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t} );\n\n\t\tscope.manager.itemStart( url );\n\n\t}\n\n}\n\nImageBitmapLoader.prototype.isImageBitmapLoader = true;\n\nlet _context;\n\nconst AudioContext = {\n\n\tgetContext: function () {\n\n\t\tif ( _context === undefined ) {\n\n\t\t\t_context = new ( window.AudioContext || window.webkitAudioContext )();\n\n\t\t}\n\n\t\treturn _context;\n\n\t},\n\n\tsetContext: function ( value ) {\n\n\t\t_context = value;\n\n\t}\n\n};\n\nclass AudioLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( buffer ) {\n\n\t\t\ttry {\n\n\t\t\t\t// Create a copy of the buffer. The `decodeAudioData` method\n\t\t\t\t// detaches the buffer when complete, preventing reuse.\n\t\t\t\tconst bufferCopy = buffer.slice( 0 );\n\n\t\t\t\tconst context = AudioContext.getContext();\n\t\t\t\tcontext.decodeAudioData( bufferCopy, function ( audioBuffer ) {\n\n\t\t\t\t\tonLoad( audioBuffer );\n\n\t\t\t\t} );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n}\n\nclass HemisphereLightProbe extends LightProbe {\n\n\tconstructor( skyColor, groundColor, intensity = 1 ) {\n\n\t\tsuper( undefined, intensity );\n\n\t\tconst color1 = new Color().set( skyColor );\n\t\tconst color2 = new Color().set( groundColor );\n\n\t\tconst sky = new Vector3( color1.r, color1.g, color1.b );\n\t\tconst ground = new Vector3( color2.r, color2.g, color2.b );\n\n\t\t// without extra factor of PI in the shader, should = 1 / Math.sqrt( Math.PI );\n\t\tconst c0 = Math.sqrt( Math.PI );\n\t\tconst c1 = c0 * Math.sqrt( 0.75 );\n\n\t\tthis.sh.coefficients[ 0 ].copy( sky ).add( ground ).multiplyScalar( c0 );\n\t\tthis.sh.coefficients[ 1 ].copy( sky ).sub( ground ).multiplyScalar( c1 );\n\n\t}\n\n}\n\nHemisphereLightProbe.prototype.isHemisphereLightProbe = true;\n\nclass AmbientLightProbe extends LightProbe {\n\n\tconstructor( color, intensity = 1 ) {\n\n\t\tsuper( undefined, intensity );\n\n\t\tconst color1 = new Color().set( color );\n\n\t\t// without extra factor of PI in the shader, would be 2 / Math.sqrt( Math.PI );\n\t\tthis.sh.coefficients[ 0 ].set( color1.r, color1.g, color1.b ).multiplyScalar( 2 * Math.sqrt( Math.PI ) );\n\n\t}\n\n}\n\nAmbientLightProbe.prototype.isAmbientLightProbe = true;\n\nconst _eyeRight = /*@__PURE__*/ new Matrix4();\nconst _eyeLeft = /*@__PURE__*/ new Matrix4();\nconst _projectionMatrix = /*@__PURE__*/ new Matrix4();\n\nclass StereoCamera {\n\n\tconstructor() {\n\n\t\tthis.type = 'StereoCamera';\n\n\t\tthis.aspect = 1;\n\n\t\tthis.eyeSep = 0.064;\n\n\t\tthis.cameraL = new PerspectiveCamera();\n\t\tthis.cameraL.layers.enable( 1 );\n\t\tthis.cameraL.matrixAutoUpdate = false;\n\n\t\tthis.cameraR = new PerspectiveCamera();\n\t\tthis.cameraR.layers.enable( 2 );\n\t\tthis.cameraR.matrixAutoUpdate = false;\n\n\t\tthis._cache = {\n\t\t\tfocus: null,\n\t\t\tfov: null,\n\t\t\taspect: null,\n\t\t\tnear: null,\n\t\t\tfar: null,\n\t\t\tzoom: null,\n\t\t\teyeSep: null\n\t\t};\n\n\t}\n\n\tupdate( camera ) {\n\n\t\tconst cache = this._cache;\n\n\t\tconst needsUpdate = cache.focus !== camera.focus || cache.fov !== camera.fov ||\n\t\t\tcache.aspect !== camera.aspect * this.aspect || cache.near !== camera.near ||\n\t\t\tcache.far !== camera.far || cache.zoom !== camera.zoom || cache.eyeSep !== this.eyeSep;\n\n\t\tif ( needsUpdate ) {\n\n\t\t\tcache.focus = camera.focus;\n\t\t\tcache.fov = camera.fov;\n\t\t\tcache.aspect = camera.aspect * this.aspect;\n\t\t\tcache.near = camera.near;\n\t\t\tcache.far = camera.far;\n\t\t\tcache.zoom = camera.zoom;\n\t\t\tcache.eyeSep = this.eyeSep;\n\n\t\t\t// Off-axis stereoscopic effect based on\n\t\t\t// http://paulbourke.net/stereographics/stereorender/\n\n\t\t\t_projectionMatrix.copy( camera.projectionMatrix );\n\t\t\tconst eyeSepHalf = cache.eyeSep / 2;\n\t\t\tconst eyeSepOnProjection = eyeSepHalf * cache.near / cache.focus;\n\t\t\tconst ymax = ( cache.near * Math.tan( DEG2RAD * cache.fov * 0.5 ) ) / cache.zoom;\n\t\t\tlet xmin, xmax;\n\n\t\t\t// translate xOffset\n\n\t\t\t_eyeLeft.elements[ 12 ] = - eyeSepHalf;\n\t\t\t_eyeRight.elements[ 12 ] = eyeSepHalf;\n\n\t\t\t// for left eye\n\n\t\t\txmin = - ymax * cache.aspect + eyeSepOnProjection;\n\t\t\txmax = ymax * cache.aspect + eyeSepOnProjection;\n\n\t\t\t_projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin );\n\t\t\t_projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\tthis.cameraL.projectionMatrix.copy( _projectionMatrix );\n\n\t\t\t// for right eye\n\n\t\t\txmin = - ymax * cache.aspect - eyeSepOnProjection;\n\t\t\txmax = ymax * cache.aspect - eyeSepOnProjection;\n\n\t\t\t_projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin );\n\t\t\t_projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\tthis.cameraR.projectionMatrix.copy( _projectionMatrix );\n\n\t\t}\n\n\t\tthis.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeLeft );\n\t\tthis.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeRight );\n\n\t}\n\n}\n\nclass Clock {\n\n\tconstructor( autoStart = true ) {\n\n\t\tthis.autoStart = autoStart;\n\n\t\tthis.startTime = 0;\n\t\tthis.oldTime = 0;\n\t\tthis.elapsedTime = 0;\n\n\t\tthis.running = false;\n\n\t}\n\n\tstart() {\n\n\t\tthis.startTime = now();\n\n\t\tthis.oldTime = this.startTime;\n\t\tthis.elapsedTime = 0;\n\t\tthis.running = true;\n\n\t}\n\n\tstop() {\n\n\t\tthis.getElapsedTime();\n\t\tthis.running = false;\n\t\tthis.autoStart = false;\n\n\t}\n\n\tgetElapsedTime() {\n\n\t\tthis.getDelta();\n\t\treturn this.elapsedTime;\n\n\t}\n\n\tgetDelta() {\n\n\t\tlet diff = 0;\n\n\t\tif ( this.autoStart && ! this.running ) {\n\n\t\t\tthis.start();\n\t\t\treturn 0;\n\n\t\t}\n\n\t\tif ( this.running ) {\n\n\t\t\tconst newTime = now();\n\n\t\t\tdiff = ( newTime - this.oldTime ) / 1000;\n\t\t\tthis.oldTime = newTime;\n\n\t\t\tthis.elapsedTime += diff;\n\n\t\t}\n\n\t\treturn diff;\n\n\t}\n\n}\n\nfunction now() {\n\n\treturn ( typeof performance === 'undefined' ? Date : performance ).now(); // see #10732\n\n}\n\nconst _position$1 = /*@__PURE__*/ new Vector3();\nconst _quaternion$1 = /*@__PURE__*/ new Quaternion();\nconst _scale$1 = /*@__PURE__*/ new Vector3();\nconst _orientation$1 = /*@__PURE__*/ new Vector3();\n\nclass AudioListener extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'AudioListener';\n\n\t\tthis.context = AudioContext.getContext();\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( this.context.destination );\n\n\t\tthis.filter = null;\n\n\t\tthis.timeDelta = 0;\n\n\t\t// private\n\n\t\tthis._clock = new Clock();\n\n\t}\n\n\tgetInput() {\n\n\t\treturn this.gain;\n\n\t}\n\n\tremoveFilter() {\n\n\t\tif ( this.filter !== null ) {\n\n\t\t\tthis.gain.disconnect( this.filter );\n\t\t\tthis.filter.disconnect( this.context.destination );\n\t\t\tthis.gain.connect( this.context.destination );\n\t\t\tthis.filter = null;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetFilter() {\n\n\t\treturn this.filter;\n\n\t}\n\n\tsetFilter( value ) {\n\n\t\tif ( this.filter !== null ) {\n\n\t\t\tthis.gain.disconnect( this.filter );\n\t\t\tthis.filter.disconnect( this.context.destination );\n\n\t\t} else {\n\n\t\t\tthis.gain.disconnect( this.context.destination );\n\n\t\t}\n\n\t\tthis.filter = value;\n\t\tthis.gain.connect( this.filter );\n\t\tthis.filter.connect( this.context.destination );\n\n\t\treturn this;\n\n\t}\n\n\tgetMasterVolume() {\n\n\t\treturn this.gain.gain.value;\n\n\t}\n\n\tsetMasterVolume( value ) {\n\n\t\tthis.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 );\n\n\t\treturn this;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tconst listener = this.context.listener;\n\t\tconst up = this.up;\n\n\t\tthis.timeDelta = this._clock.getDelta();\n\n\t\tthis.matrixWorld.decompose( _position$1, _quaternion$1, _scale$1 );\n\n\t\t_orientation$1.set( 0, 0, - 1 ).applyQuaternion( _quaternion$1 );\n\n\t\tif ( listener.positionX ) {\n\n\t\t\t// code path for Chrome (see #14393)\n\n\t\t\tconst endTime = this.context.currentTime + this.timeDelta;\n\n\t\t\tlistener.positionX.linearRampToValueAtTime( _position$1.x, endTime );\n\t\t\tlistener.positionY.linearRampToValueAtTime( _position$1.y, endTime );\n\t\t\tlistener.positionZ.linearRampToValueAtTime( _position$1.z, endTime );\n\t\t\tlistener.forwardX.linearRampToValueAtTime( _orientation$1.x, endTime );\n\t\t\tlistener.forwardY.linearRampToValueAtTime( _orientation$1.y, endTime );\n\t\t\tlistener.forwardZ.linearRampToValueAtTime( _orientation$1.z, endTime );\n\t\t\tlistener.upX.linearRampToValueAtTime( up.x, endTime );\n\t\t\tlistener.upY.linearRampToValueAtTime( up.y, endTime );\n\t\t\tlistener.upZ.linearRampToValueAtTime( up.z, endTime );\n\n\t\t} else {\n\n\t\t\tlistener.setPosition( _position$1.x, _position$1.y, _position$1.z );\n\t\t\tlistener.setOrientation( _orientation$1.x, _orientation$1.y, _orientation$1.z, up.x, up.y, up.z );\n\n\t\t}\n\n\t}\n\n}\n\nclass Audio extends Object3D {\n\n\tconstructor( listener ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Audio';\n\n\t\tthis.listener = listener;\n\t\tthis.context = listener.context;\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( listener.getInput() );\n\n\t\tthis.autoplay = false;\n\n\t\tthis.buffer = null;\n\t\tthis.detune = 0;\n\t\tthis.loop = false;\n\t\tthis.loopStart = 0;\n\t\tthis.loopEnd = 0;\n\t\tthis.offset = 0;\n\t\tthis.duration = undefined;\n\t\tthis.playbackRate = 1;\n\t\tthis.isPlaying = false;\n\t\tthis.hasPlaybackControl = true;\n\t\tthis.source = null;\n\t\tthis.sourceType = 'empty';\n\n\t\tthis._startedAt = 0;\n\t\tthis._progress = 0;\n\t\tthis._connected = false;\n\n\t\tthis.filters = [];\n\n\t}\n\n\tgetOutput() {\n\n\t\treturn this.gain;\n\n\t}\n\n\tsetNodeSource( audioNode ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'audioNode';\n\t\tthis.source = audioNode;\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\tsetMediaElementSource( mediaElement ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'mediaNode';\n\t\tthis.source = this.context.createMediaElementSource( mediaElement );\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\tsetMediaStreamSource( mediaStream ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'mediaStreamNode';\n\t\tthis.source = this.context.createMediaStreamSource( mediaStream );\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\tsetBuffer( audioBuffer ) {\n\n\t\tthis.buffer = audioBuffer;\n\t\tthis.sourceType = 'buffer';\n\n\t\tif ( this.autoplay ) this.play();\n\n\t\treturn this;\n\n\t}\n\n\tplay( delay = 0 ) {\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: Audio is already playing.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis._startedAt = this.context.currentTime + delay;\n\n\t\tconst source = this.context.createBufferSource();\n\t\tsource.buffer = this.buffer;\n\t\tsource.loop = this.loop;\n\t\tsource.loopStart = this.loopStart;\n\t\tsource.loopEnd = this.loopEnd;\n\t\tsource.onended = this.onEnded.bind( this );\n\t\tsource.start( this._startedAt, this._progress + this.offset, this.duration );\n\n\t\tthis.isPlaying = true;\n\n\t\tthis.source = source;\n\n\t\tthis.setDetune( this.detune );\n\t\tthis.setPlaybackRate( this.playbackRate );\n\n\t\treturn this.connect();\n\n\t}\n\n\tpause() {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\t// update current progress\n\n\t\t\tthis._progress += Math.max( this.context.currentTime - this._startedAt, 0 ) * this.playbackRate;\n\n\t\t\tif ( this.loop === true ) {\n\n\t\t\t\t// ensure _progress does not exceed duration with looped audios\n\n\t\t\t\tthis._progress = this._progress % ( this.duration || this.buffer.duration );\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.source.onended = null;\n\n\t\t\tthis.isPlaying = false;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tstop() {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis._progress = 0;\n\n\t\tthis.source.stop();\n\t\tthis.source.onended = null;\n\t\tthis.isPlaying = false;\n\n\t\treturn this;\n\n\t}\n\n\tconnect() {\n\n\t\tif ( this.filters.length > 0 ) {\n\n\t\t\tthis.source.connect( this.filters[ 0 ] );\n\n\t\t\tfor ( let i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\tthis.filters[ i - 1 ].connect( this.filters[ i ] );\n\n\t\t\t}\n\n\t\t\tthis.filters[ this.filters.length - 1 ].connect( this.getOutput() );\n\n\t\t} else {\n\n\t\t\tthis.source.connect( this.getOutput() );\n\n\t\t}\n\n\t\tthis._connected = true;\n\n\t\treturn this;\n\n\t}\n\n\tdisconnect() {\n\n\t\tif ( this.filters.length > 0 ) {\n\n\t\t\tthis.source.disconnect( this.filters[ 0 ] );\n\n\t\t\tfor ( let i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\tthis.filters[ i - 1 ].disconnect( this.filters[ i ] );\n\n\t\t\t}\n\n\t\t\tthis.filters[ this.filters.length - 1 ].disconnect( this.getOutput() );\n\n\t\t} else {\n\n\t\t\tthis.source.disconnect( this.getOutput() );\n\n\t\t}\n\n\t\tthis._connected = false;\n\n\t\treturn this;\n\n\t}\n\n\tgetFilters() {\n\n\t\treturn this.filters;\n\n\t}\n\n\tsetFilters( value ) {\n\n\t\tif ( ! value ) value = [];\n\n\t\tif ( this._connected === true ) {\n\n\t\t\tthis.disconnect();\n\t\t\tthis.filters = value.slice();\n\t\t\tthis.connect();\n\n\t\t} else {\n\n\t\t\tthis.filters = value.slice();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetDetune( value ) {\n\n\t\tthis.detune = value;\n\n\t\tif ( this.source.detune === undefined ) return; // only set detune when available\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tthis.source.detune.setTargetAtTime( this.detune, this.context.currentTime, 0.01 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetDetune() {\n\n\t\treturn this.detune;\n\n\t}\n\n\tgetFilter() {\n\n\t\treturn this.getFilters()[ 0 ];\n\n\t}\n\n\tsetFilter( filter ) {\n\n\t\treturn this.setFilters( filter ? [ filter ] : [] );\n\n\t}\n\n\tsetPlaybackRate( value ) {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis.playbackRate = value;\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tthis.source.playbackRate.setTargetAtTime( this.playbackRate, this.context.currentTime, 0.01 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetPlaybackRate() {\n\n\t\treturn this.playbackRate;\n\n\t}\n\n\tonEnded() {\n\n\t\tthis.isPlaying = false;\n\n\t}\n\n\tgetLoop() {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn false;\n\n\t\t}\n\n\t\treturn this.loop;\n\n\t}\n\n\tsetLoop( value ) {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis.loop = value;\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tthis.source.loop = this.loop;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetLoopStart( value ) {\n\n\t\tthis.loopStart = value;\n\n\t\treturn this;\n\n\t}\n\n\tsetLoopEnd( value ) {\n\n\t\tthis.loopEnd = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetVolume() {\n\n\t\treturn this.gain.gain.value;\n\n\t}\n\n\tsetVolume( value ) {\n\n\t\tthis.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _position = /*@__PURE__*/ new Vector3();\nconst _quaternion = /*@__PURE__*/ new Quaternion();\nconst _scale = /*@__PURE__*/ new Vector3();\nconst _orientation = /*@__PURE__*/ new Vector3();\n\nclass PositionalAudio extends Audio {\n\n\tconstructor( listener ) {\n\n\t\tsuper( listener );\n\n\t\tthis.panner = this.context.createPanner();\n\t\tthis.panner.panningModel = 'HRTF';\n\t\tthis.panner.connect( this.gain );\n\n\t}\n\n\tgetOutput() {\n\n\t\treturn this.panner;\n\n\t}\n\n\tgetRefDistance() {\n\n\t\treturn this.panner.refDistance;\n\n\t}\n\n\tsetRefDistance( value ) {\n\n\t\tthis.panner.refDistance = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetRolloffFactor() {\n\n\t\treturn this.panner.rolloffFactor;\n\n\t}\n\n\tsetRolloffFactor( value ) {\n\n\t\tthis.panner.rolloffFactor = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetDistanceModel() {\n\n\t\treturn this.panner.distanceModel;\n\n\t}\n\n\tsetDistanceModel( value ) {\n\n\t\tthis.panner.distanceModel = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetMaxDistance() {\n\n\t\treturn this.panner.maxDistance;\n\n\t}\n\n\tsetMaxDistance( value ) {\n\n\t\tthis.panner.maxDistance = value;\n\n\t\treturn this;\n\n\t}\n\n\tsetDirectionalCone( coneInnerAngle, coneOuterAngle, coneOuterGain ) {\n\n\t\tthis.panner.coneInnerAngle = coneInnerAngle;\n\t\tthis.panner.coneOuterAngle = coneOuterAngle;\n\t\tthis.panner.coneOuterGain = coneOuterGain;\n\n\t\treturn this;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tif ( this.hasPlaybackControl === true && this.isPlaying === false ) return;\n\n\t\tthis.matrixWorld.decompose( _position, _quaternion, _scale );\n\n\t\t_orientation.set( 0, 0, 1 ).applyQuaternion( _quaternion );\n\n\t\tconst panner = this.panner;\n\n\t\tif ( panner.positionX ) {\n\n\t\t\t// code path for Chrome and Firefox (see #14393)\n\n\t\t\tconst endTime = this.context.currentTime + this.listener.timeDelta;\n\n\t\t\tpanner.positionX.linearRampToValueAtTime( _position.x, endTime );\n\t\t\tpanner.positionY.linearRampToValueAtTime( _position.y, endTime );\n\t\t\tpanner.positionZ.linearRampToValueAtTime( _position.z, endTime );\n\t\t\tpanner.orientationX.linearRampToValueAtTime( _orientation.x, endTime );\n\t\t\tpanner.orientationY.linearRampToValueAtTime( _orientation.y, endTime );\n\t\t\tpanner.orientationZ.linearRampToValueAtTime( _orientation.z, endTime );\n\n\t\t} else {\n\n\t\t\tpanner.setPosition( _position.x, _position.y, _position.z );\n\t\t\tpanner.setOrientation( _orientation.x, _orientation.y, _orientation.z );\n\n\t\t}\n\n\t}\n\n}\n\nclass AudioAnalyser {\n\n\tconstructor( audio, fftSize = 2048 ) {\n\n\t\tthis.analyser = audio.context.createAnalyser();\n\t\tthis.analyser.fftSize = fftSize;\n\n\t\tthis.data = new Uint8Array( this.analyser.frequencyBinCount );\n\n\t\taudio.getOutput().connect( this.analyser );\n\n\t}\n\n\n\tgetFrequencyData() {\n\n\t\tthis.analyser.getByteFrequencyData( this.data );\n\n\t\treturn this.data;\n\n\t}\n\n\tgetAverageFrequency() {\n\n\t\tlet value = 0;\n\t\tconst data = this.getFrequencyData();\n\n\t\tfor ( let i = 0; i < data.length; i ++ ) {\n\n\t\t\tvalue += data[ i ];\n\n\t\t}\n\n\t\treturn value / data.length;\n\n\t}\n\n}\n\nclass PropertyMixer {\n\n\tconstructor( binding, typeName, valueSize ) {\n\n\t\tthis.binding = binding;\n\t\tthis.valueSize = valueSize;\n\n\t\tlet mixFunction,\n\t\t\tmixFunctionAdditive,\n\t\t\tsetIdentity;\n\n\t\t// buffer layout: [ incoming | accu0 | accu1 | orig | addAccu | (optional work) ]\n\t\t//\n\t\t// interpolators can use .buffer as their .result\n\t\t// the data then goes to 'incoming'\n\t\t//\n\t\t// 'accu0' and 'accu1' are used frame-interleaved for\n\t\t// the cumulative result and are compared to detect\n\t\t// changes\n\t\t//\n\t\t// 'orig' stores the original state of the property\n\t\t//\n\t\t// 'add' is used for additive cumulative results\n\t\t//\n\t\t// 'work' is optional and is only present for quaternion types. It is used\n\t\t// to store intermediate quaternion multiplication results\n\n\t\tswitch ( typeName ) {\n\n\t\t\tcase 'quaternion':\n\t\t\t\tmixFunction = this._slerp;\n\t\t\t\tmixFunctionAdditive = this._slerpAdditive;\n\t\t\t\tsetIdentity = this._setAdditiveIdentityQuaternion;\n\n\t\t\t\tthis.buffer = new Float64Array( valueSize * 6 );\n\t\t\t\tthis._workIndex = 5;\n\t\t\t\tbreak;\n\n\t\t\tcase 'string':\n\t\t\tcase 'bool':\n\t\t\t\tmixFunction = this._select;\n\n\t\t\t\t// Use the regular mix function and for additive on these types,\n\t\t\t\t// additive is not relevant for non-numeric types\n\t\t\t\tmixFunctionAdditive = this._select;\n\n\t\t\t\tsetIdentity = this._setAdditiveIdentityOther;\n\n\t\t\t\tthis.buffer = new Array( valueSize * 5 );\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tmixFunction = this._lerp;\n\t\t\t\tmixFunctionAdditive = this._lerpAdditive;\n\t\t\t\tsetIdentity = this._setAdditiveIdentityNumeric;\n\n\t\t\t\tthis.buffer = new Float64Array( valueSize * 5 );\n\n\t\t}\n\n\t\tthis._mixBufferRegion = mixFunction;\n\t\tthis._mixBufferRegionAdditive = mixFunctionAdditive;\n\t\tthis._setIdentity = setIdentity;\n\t\tthis._origIndex = 3;\n\t\tthis._addIndex = 4;\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t\tthis.useCount = 0;\n\t\tthis.referenceCount = 0;\n\n\t}\n\n\t// accumulate data in the 'incoming' region into 'accu'\n\taccumulate( accuIndex, weight ) {\n\n\t\t// note: happily accumulating nothing when weight = 0, the caller knows\n\t\t// the weight and shouldn't have made the call in the first place\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = accuIndex * stride + stride;\n\n\t\tlet currentWeight = this.cumulativeWeight;\n\n\t\tif ( currentWeight === 0 ) {\n\n\t\t\t// accuN := incoming * weight\n\n\t\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tbuffer[ offset + i ] = buffer[ i ];\n\n\t\t\t}\n\n\t\t\tcurrentWeight = weight;\n\n\t\t} else {\n\n\t\t\t// accuN := accuN + incoming * weight\n\n\t\t\tcurrentWeight += weight;\n\t\t\tconst mix = weight / currentWeight;\n\t\t\tthis._mixBufferRegion( buffer, offset, 0, mix, stride );\n\n\t\t}\n\n\t\tthis.cumulativeWeight = currentWeight;\n\n\t}\n\n\t// accumulate data in the 'incoming' region into 'add'\n\taccumulateAdditive( weight ) {\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = stride * this._addIndex;\n\n\t\tif ( this.cumulativeWeightAdditive === 0 ) {\n\n\t\t\t// add = identity\n\n\t\t\tthis._setIdentity();\n\n\t\t}\n\n\t\t// add := add + incoming * weight\n\n\t\tthis._mixBufferRegionAdditive( buffer, offset, 0, weight, stride );\n\t\tthis.cumulativeWeightAdditive += weight;\n\n\t}\n\n\t// apply the state of 'accu' to the binding when accus differ\n\tapply( accuIndex ) {\n\n\t\tconst stride = this.valueSize,\n\t\t\tbuffer = this.buffer,\n\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\tweight = this.cumulativeWeight,\n\t\t\tweightAdditive = this.cumulativeWeightAdditive,\n\n\t\t\tbinding = this.binding;\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t\tif ( weight < 1 ) {\n\n\t\t\t// accuN := accuN + original * ( 1 - cumulativeWeight )\n\n\t\t\tconst originalValueOffset = stride * this._origIndex;\n\n\t\t\tthis._mixBufferRegion(\n\t\t\t\tbuffer, offset, originalValueOffset, 1 - weight, stride );\n\n\t\t}\n\n\t\tif ( weightAdditive > 0 ) {\n\n\t\t\t// accuN := accuN + additive accuN\n\n\t\t\tthis._mixBufferRegionAdditive( buffer, offset, this._addIndex * stride, 1, stride );\n\n\t\t}\n\n\t\tfor ( let i = stride, e = stride + stride; i !== e; ++ i ) {\n\n\t\t\tif ( buffer[ i ] !== buffer[ i + stride ] ) {\n\n\t\t\t\t// value has changed -> update scene graph\n\n\t\t\t\tbinding.setValue( buffer, offset );\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// remember the state of the bound property and copy it to both accus\n\tsaveOriginalState() {\n\n\t\tconst binding = this.binding;\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\n\t\t\toriginalValueOffset = stride * this._origIndex;\n\n\t\tbinding.getValue( buffer, originalValueOffset );\n\n\t\t// accu[0..1] := orig -- initially detect changes against the original\n\t\tfor ( let i = stride, e = originalValueOffset; i !== e; ++ i ) {\n\n\t\t\tbuffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ];\n\n\t\t}\n\n\t\t// Add to identity for additive\n\t\tthis._setIdentity();\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t}\n\n\t// apply the state previously taken via 'saveOriginalState' to the binding\n\trestoreOriginalState() {\n\n\t\tconst originalValueOffset = this.valueSize * 3;\n\t\tthis.binding.setValue( this.buffer, originalValueOffset );\n\n\t}\n\n\t_setAdditiveIdentityNumeric() {\n\n\t\tconst startIndex = this._addIndex * this.valueSize;\n\t\tconst endIndex = startIndex + this.valueSize;\n\n\t\tfor ( let i = startIndex; i < endIndex; i ++ ) {\n\n\t\t\tthis.buffer[ i ] = 0;\n\n\t\t}\n\n\t}\n\n\t_setAdditiveIdentityQuaternion() {\n\n\t\tthis._setAdditiveIdentityNumeric();\n\t\tthis.buffer[ this._addIndex * this.valueSize + 3 ] = 1;\n\n\t}\n\n\t_setAdditiveIdentityOther() {\n\n\t\tconst startIndex = this._origIndex * this.valueSize;\n\t\tconst targetIndex = this._addIndex * this.valueSize;\n\n\t\tfor ( let i = 0; i < this.valueSize; i ++ ) {\n\n\t\t\tthis.buffer[ targetIndex + i ] = this.buffer[ startIndex + i ];\n\n\t\t}\n\n\t}\n\n\n\t// mix functions\n\n\t_select( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tif ( t >= 0.5 ) {\n\n\t\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tbuffer[ dstOffset + i ] = buffer[ srcOffset + i ];\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_slerp( buffer, dstOffset, srcOffset, t ) {\n\n\t\tQuaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, srcOffset, t );\n\n\t}\n\n\t_slerpAdditive( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tconst workOffset = this._workIndex * stride;\n\n\t\t// Store result in intermediate buffer offset\n\t\tQuaternion.multiplyQuaternionsFlat( buffer, workOffset, buffer, dstOffset, buffer, srcOffset );\n\n\t\t// Slerp to the intermediate result\n\t\tQuaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, workOffset, t );\n\n\t}\n\n\t_lerp( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tconst s = 1 - t;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tconst j = dstOffset + i;\n\n\t\t\tbuffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t;\n\n\t\t}\n\n\t}\n\n\t_lerpAdditive( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tconst j = dstOffset + i;\n\n\t\t\tbuffer[ j ] = buffer[ j ] + buffer[ srcOffset + i ] * t;\n\n\t\t}\n\n\t}\n\n}\n\n// Characters [].:/ are reserved for track binding syntax.\nconst _RESERVED_CHARS_RE = '\\\\[\\\\]\\\\.:\\\\/';\nconst _reservedRe = new RegExp( '[' + _RESERVED_CHARS_RE + ']', 'g' );\n\n// Attempts to allow node names from any language. ES5's `\\w` regexp matches\n// only latin characters, and the unicode \\p{L} is not yet supported. So\n// instead, we exclude reserved characters and match everything else.\nconst _wordChar = '[^' + _RESERVED_CHARS_RE + ']';\nconst _wordCharOrDot = '[^' + _RESERVED_CHARS_RE.replace( '\\\\.', '' ) + ']';\n\n// Parent directories, delimited by '/' or ':'. Currently unused, but must\n// be matched to parse the rest of the track name.\nconst _directoryRe = /((?:WC+[\\/:])*)/.source.replace( 'WC', _wordChar );\n\n// Target node. May contain word characters (a-zA-Z0-9_) and '.' or '-'.\nconst _nodeRe = /(WCOD+)?/.source.replace( 'WCOD', _wordCharOrDot );\n\n// Object on target node, and accessor. May not contain reserved\n// characters. Accessor may contain any character except closing bracket.\nconst _objectRe = /(?:\\.(WC+)(?:\\[(.+)\\])?)?/.source.replace( 'WC', _wordChar );\n\n// Property and accessor. May not contain reserved characters. Accessor may\n// contain any non-bracket characters.\nconst _propertyRe = /\\.(WC+)(?:\\[(.+)\\])?/.source.replace( 'WC', _wordChar );\n\nconst _trackRe = new RegExp( ''\n\t+ '^'\n\t+ _directoryRe\n\t+ _nodeRe\n\t+ _objectRe\n\t+ _propertyRe\n\t+ '$'\n);\n\nconst _supportedObjectNames = [ 'material', 'materials', 'bones' ];\n\nclass Composite {\n\n\tconstructor( targetGroup, path, optionalParsedPath ) {\n\n\t\tconst parsedPath = optionalParsedPath || PropertyBinding.parseTrackName( path );\n\n\t\tthis._targetGroup = targetGroup;\n\t\tthis._bindings = targetGroup.subscribe_( path, parsedPath );\n\n\t}\n\n\tgetValue( array, offset ) {\n\n\t\tthis.bind(); // bind all binding\n\n\t\tconst firstValidIndex = this._targetGroup.nCachedObjects_,\n\t\t\tbinding = this._bindings[ firstValidIndex ];\n\n\t\t// and only call .getValue on the first\n\t\tif ( binding !== undefined ) binding.getValue( array, offset );\n\n\t}\n\n\tsetValue( array, offset ) {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].setValue( array, offset );\n\n\t\t}\n\n\t}\n\n\tbind() {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].bind();\n\n\t\t}\n\n\t}\n\n\tunbind() {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].unbind();\n\n\t\t}\n\n\t}\n\n}\n\n// Note: This class uses a State pattern on a per-method basis:\n// 'bind' sets 'this.getValue' / 'setValue' and shadows the\n// prototype version of these methods with one that represents\n// the bound state. When the property is not found, the methods\n// become no-ops.\nclass PropertyBinding {\n\n\tconstructor( rootNode, path, parsedPath ) {\n\n\t\tthis.path = path;\n\t\tthis.parsedPath = parsedPath || PropertyBinding.parseTrackName( path );\n\n\t\tthis.node = PropertyBinding.findNode( rootNode, this.parsedPath.nodeName ) || rootNode;\n\n\t\tthis.rootNode = rootNode;\n\n\t\t// initial state of these methods that calls 'bind'\n\t\tthis.getValue = this._getValue_unbound;\n\t\tthis.setValue = this._setValue_unbound;\n\n\t}\n\n\n\tstatic create( root, path, parsedPath ) {\n\n\t\tif ( ! ( root && root.isAnimationObjectGroup ) ) {\n\n\t\t\treturn new PropertyBinding( root, path, parsedPath );\n\n\t\t} else {\n\n\t\t\treturn new PropertyBinding.Composite( root, path, parsedPath );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Replaces spaces with underscores and removes unsupported characters from\n\t * node names, to ensure compatibility with parseTrackName().\n\t *\n\t * @param {string} name Node name to be sanitized.\n\t * @return {string}\n\t */\n\tstatic sanitizeNodeName( name ) {\n\n\t\treturn name.replace( /\\s/g, '_' ).replace( _reservedRe, '' );\n\n\t}\n\n\tstatic parseTrackName( trackName ) {\n\n\t\tconst matches = _trackRe.exec( trackName );\n\n\t\tif ( ! matches ) {\n\n\t\t\tthrow new Error( 'PropertyBinding: Cannot parse trackName: ' + trackName );\n\n\t\t}\n\n\t\tconst results = {\n\t\t\t// directoryName: matches[ 1 ], // (tschw) currently unused\n\t\t\tnodeName: matches[ 2 ],\n\t\t\tobjectName: matches[ 3 ],\n\t\t\tobjectIndex: matches[ 4 ],\n\t\t\tpropertyName: matches[ 5 ], // required\n\t\t\tpropertyIndex: matches[ 6 ]\n\t\t};\n\n\t\tconst lastDot = results.nodeName && results.nodeName.lastIndexOf( '.' );\n\n\t\tif ( lastDot !== undefined && lastDot !== - 1 ) {\n\n\t\t\tconst objectName = results.nodeName.substring( lastDot + 1 );\n\n\t\t\t// Object names must be checked against an allowlist. Otherwise, there\n\t\t\t// is no way to parse 'foo.bar.baz': 'baz' must be a property, but\n\t\t\t// 'bar' could be the objectName, or part of a nodeName (which can\n\t\t\t// include '.' characters).\n\t\t\tif ( _supportedObjectNames.indexOf( objectName ) !== - 1 ) {\n\n\t\t\t\tresults.nodeName = results.nodeName.substring( 0, lastDot );\n\t\t\t\tresults.objectName = objectName;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( results.propertyName === null || results.propertyName.length === 0 ) {\n\n\t\t\tthrow new Error( 'PropertyBinding: can not parse propertyName from trackName: ' + trackName );\n\n\t\t}\n\n\t\treturn results;\n\n\t}\n\n\tstatic findNode( root, nodeName ) {\n\n\t\tif ( ! nodeName || nodeName === '' || nodeName === '.' || nodeName === - 1 || nodeName === root.name || nodeName === root.uuid ) {\n\n\t\t\treturn root;\n\n\t\t}\n\n\t\t// search into skeleton bones.\n\t\tif ( root.skeleton ) {\n\n\t\t\tconst bone = root.skeleton.getBoneByName( nodeName );\n\n\t\t\tif ( bone !== undefined ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// search into node subtree.\n\t\tif ( root.children ) {\n\n\t\t\tconst searchNodeSubtree = function ( children ) {\n\n\t\t\t\tfor ( let i = 0; i < children.length; i ++ ) {\n\n\t\t\t\t\tconst childNode = children[ i ];\n\n\t\t\t\t\tif ( childNode.name === nodeName || childNode.uuid === nodeName ) {\n\n\t\t\t\t\t\treturn childNode;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst result = searchNodeSubtree( childNode.children );\n\n\t\t\t\t\tif ( result ) return result;\n\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tconst subTreeNode = searchNodeSubtree( root.children );\n\n\t\t\tif ( subTreeNode ) {\n\n\t\t\t\treturn subTreeNode;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\t// these are used to \"bind\" a nonexistent property\n\t_getValue_unavailable() {}\n\t_setValue_unavailable() {}\n\n\t// Getters\n\n\t_getValue_direct( buffer, offset ) {\n\n\t\tbuffer[ offset ] = this.targetObject[ this.propertyName ];\n\n\t}\n\n\t_getValue_array( buffer, offset ) {\n\n\t\tconst source = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = source.length; i !== n; ++ i ) {\n\n\t\t\tbuffer[ offset ++ ] = source[ i ];\n\n\t\t}\n\n\t}\n\n\t_getValue_arrayElement( buffer, offset ) {\n\n\t\tbuffer[ offset ] = this.resolvedProperty[ this.propertyIndex ];\n\n\t}\n\n\t_getValue_toArray( buffer, offset ) {\n\n\t\tthis.resolvedProperty.toArray( buffer, offset );\n\n\t}\n\n\t// Direct\n\n\t_setValue_direct( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\n\t}\n\n\t_setValue_direct_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// EntireArray\n\n\t_setValue_array( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t}\n\n\t_setValue_array_setNeedsUpdate( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// ArrayElement\n\n\t_setValue_arrayElement( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\n\t}\n\n\t_setValue_arrayElement_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// HasToFromArray\n\n\t_setValue_fromArray( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\n\t}\n\n\t_setValue_fromArray_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t_getValue_unbound( targetArray, offset ) {\n\n\t\tthis.bind();\n\t\tthis.getValue( targetArray, offset );\n\n\t}\n\n\t_setValue_unbound( sourceArray, offset ) {\n\n\t\tthis.bind();\n\t\tthis.setValue( sourceArray, offset );\n\n\t}\n\n\t// create getter / setter pair for a property in the scene graph\n\tbind() {\n\n\t\tlet targetObject = this.node;\n\t\tconst parsedPath = this.parsedPath;\n\n\t\tconst objectName = parsedPath.objectName;\n\t\tconst propertyName = parsedPath.propertyName;\n\t\tlet propertyIndex = parsedPath.propertyIndex;\n\n\t\tif ( ! targetObject ) {\n\n\t\t\ttargetObject = PropertyBinding.findNode( this.rootNode, parsedPath.nodeName ) || this.rootNode;\n\n\t\t\tthis.node = targetObject;\n\n\t\t}\n\n\t\t// set fail state so we can just 'return' on error\n\t\tthis.getValue = this._getValue_unavailable;\n\t\tthis.setValue = this._setValue_unavailable;\n\n\t\t// ensure there is a value node\n\t\tif ( ! targetObject ) {\n\n\t\t\tconsole.error( 'THREE.PropertyBinding: Trying to update node for track: ' + this.path + ' but it wasn\\'t found.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( objectName ) {\n\n\t\t\tlet objectIndex = parsedPath.objectIndex;\n\n\t\t\t// special cases were we need to reach deeper into the hierarchy to get the face materials....\n\t\t\tswitch ( objectName ) {\n\n\t\t\t\tcase 'materials':\n\n\t\t\t\t\tif ( ! targetObject.material ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to material as node does not have a material.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! targetObject.material.materials ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject.material.materials;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'bones':\n\n\t\t\t\t\tif ( ! targetObject.skeleton ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// potential future optimization: skip this if propertyIndex is already an integer\n\t\t\t\t\t// and convert the integer string to a true integer.\n\n\t\t\t\t\ttargetObject = targetObject.skeleton.bones;\n\n\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\tfor ( let i = 0; i < targetObject.length; i ++ ) {\n\n\t\t\t\t\t\tif ( targetObject[ i ].name === objectIndex ) {\n\n\t\t\t\t\t\t\tobjectIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tif ( targetObject[ objectName ] === undefined ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to objectName of node undefined.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject[ objectName ];\n\n\t\t\t}\n\n\n\t\t\tif ( objectIndex !== undefined ) {\n\n\t\t\t\tif ( targetObject[ objectIndex ] === undefined ) {\n\n\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.', this, targetObject );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\ttargetObject = targetObject[ objectIndex ];\n\n\t\t\t}\n\n\t\t}\n\n\t\t// resolve property\n\t\tconst nodeProperty = targetObject[ propertyName ];\n\n\t\tif ( nodeProperty === undefined ) {\n\n\t\t\tconst nodeName = parsedPath.nodeName;\n\n\t\t\tconsole.error( 'THREE.PropertyBinding: Trying to update property for track: ' + nodeName +\n\t\t\t\t'.' + propertyName + ' but it wasn\\'t found.', targetObject );\n\t\t\treturn;\n\n\t\t}\n\n\t\t// determine versioning scheme\n\t\tlet versioning = this.Versioning.None;\n\n\t\tthis.targetObject = targetObject;\n\n\t\tif ( targetObject.needsUpdate !== undefined ) { // material\n\n\t\t\tversioning = this.Versioning.NeedsUpdate;\n\n\t\t} else if ( targetObject.matrixWorldNeedsUpdate !== undefined ) { // node transform\n\n\t\t\tversioning = this.Versioning.MatrixWorldNeedsUpdate;\n\n\t\t}\n\n\t\t// determine how the property gets bound\n\t\tlet bindingType = this.BindingType.Direct;\n\n\t\tif ( propertyIndex !== undefined ) {\n\n\t\t\t// access a sub element of the property array (only primitives are supported right now)\n\n\t\t\tif ( propertyName === 'morphTargetInfluences' ) {\n\n\t\t\t\t// potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer.\n\n\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\tif ( ! targetObject.geometry ) {\n\n\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.', this );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tif ( targetObject.geometry.isBufferGeometry ) {\n\n\t\t\t\t\tif ( ! targetObject.geometry.morphAttributes ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( targetObject.morphTargetDictionary[ propertyIndex ] !== undefined ) {\n\n\t\t\t\t\t\tpropertyIndex = targetObject.morphTargetDictionary[ propertyIndex ];\n\n\t\t\t\t\t}\n\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences on THREE.Geometry. Use THREE.BufferGeometry instead.', this );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tbindingType = this.BindingType.ArrayElement;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\t\t\tthis.propertyIndex = propertyIndex;\n\n\t\t} else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) {\n\n\t\t\t// must use copy for Object3D.Euler/Quaternion\n\n\t\t\tbindingType = this.BindingType.HasFromToArray;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t} else if ( Array.isArray( nodeProperty ) ) {\n\n\t\t\tbindingType = this.BindingType.EntireArray;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t} else {\n\n\t\t\tthis.propertyName = propertyName;\n\n\t\t}\n\n\t\t// select getter / setter\n\t\tthis.getValue = this.GetterByBindingType[ bindingType ];\n\t\tthis.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ];\n\n\t}\n\n\tunbind() {\n\n\t\tthis.node = null;\n\n\t\t// back to the prototype version of getValue / setValue\n\t\t// note: avoiding to mutate the shape of 'this' via 'delete'\n\t\tthis.getValue = this._getValue_unbound;\n\t\tthis.setValue = this._setValue_unbound;\n\n\t}\n\n}\n\nPropertyBinding.Composite = Composite;\n\nPropertyBinding.prototype.BindingType = {\n\tDirect: 0,\n\tEntireArray: 1,\n\tArrayElement: 2,\n\tHasFromToArray: 3\n};\n\nPropertyBinding.prototype.Versioning = {\n\tNone: 0,\n\tNeedsUpdate: 1,\n\tMatrixWorldNeedsUpdate: 2\n};\n\nPropertyBinding.prototype.GetterByBindingType = [\n\n\tPropertyBinding.prototype._getValue_direct,\n\tPropertyBinding.prototype._getValue_array,\n\tPropertyBinding.prototype._getValue_arrayElement,\n\tPropertyBinding.prototype._getValue_toArray,\n\n];\n\nPropertyBinding.prototype.SetterByBindingTypeAndVersioning = [\n\n\t[\n\t\t// Direct\n\t\tPropertyBinding.prototype._setValue_direct,\n\t\tPropertyBinding.prototype._setValue_direct_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_direct_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// EntireArray\n\n\t\tPropertyBinding.prototype._setValue_array,\n\t\tPropertyBinding.prototype._setValue_array_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_array_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// ArrayElement\n\t\tPropertyBinding.prototype._setValue_arrayElement,\n\t\tPropertyBinding.prototype._setValue_arrayElement_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// HasToFromArray\n\t\tPropertyBinding.prototype._setValue_fromArray,\n\t\tPropertyBinding.prototype._setValue_fromArray_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate,\n\n\t]\n\n];\n\n/**\n *\n * A group of objects that receives a shared animation state.\n *\n * Usage:\n *\n * - Add objects you would otherwise pass as 'root' to the\n * constructor or the .clipAction method of AnimationMixer.\n *\n * - Instead pass this object as 'root'.\n *\n * - You can also add and remove objects later when the mixer\n * is running.\n *\n * Note:\n *\n * Objects of this class appear as one object to the mixer,\n * so cache control of the individual objects must be done\n * on the group.\n *\n * Limitation:\n *\n * - The animated properties must be compatible among the\n * all objects in the group.\n *\n * - A single property can either be controlled through a\n * target group or directly, but not both.\n */\n\nclass AnimationObjectGroup {\n\n\tconstructor() {\n\n\t\tthis.uuid = generateUUID();\n\n\t\t// cached objects followed by the active ones\n\t\tthis._objects = Array.prototype.slice.call( arguments );\n\n\t\tthis.nCachedObjects_ = 0; // threshold\n\t\t// note: read by PropertyBinding.Composite\n\n\t\tconst indices = {};\n\t\tthis._indicesByUUID = indices; // for bookkeeping\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tindices[ arguments[ i ].uuid ] = i;\n\n\t\t}\n\n\t\tthis._paths = []; // inside: string\n\t\tthis._parsedPaths = []; // inside: { we don't care, here }\n\t\tthis._bindings = []; // inside: Array< PropertyBinding >\n\t\tthis._bindingsIndicesByPath = {}; // inside: indices in these arrays\n\n\t\tconst scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tobjects: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._objects.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn this.total - scope.nCachedObjects_;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tget bindingsPerObject() {\n\n\t\t\t\treturn scope._bindings.length;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tadd() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tpaths = this._paths,\n\t\t\tparsedPaths = this._parsedPaths,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet knownObject = undefined,\n\t\t\tnObjects = objects.length,\n\t\t\tnCachedObjects = this.nCachedObjects_;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid;\n\t\t\tlet index = indicesByUUID[ uuid ];\n\n\t\t\tif ( index === undefined ) {\n\n\t\t\t\t// unknown object -> add it to the ACTIVE region\n\n\t\t\t\tindex = nObjects ++;\n\t\t\t\tindicesByUUID[ uuid ] = index;\n\t\t\t\tobjects.push( object );\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tbindings[ j ].push( new PropertyBinding( object, paths[ j ], parsedPaths[ j ] ) );\n\n\t\t\t\t}\n\n\t\t\t} else if ( index < nCachedObjects ) {\n\n\t\t\t\tknownObject = objects[ index ];\n\n\t\t\t\t// move existing object to the ACTIVE region\n\n\t\t\t\tconst firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ];\n\n\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\tindicesByUUID[ uuid ] = firstActiveIndex;\n\t\t\t\tobjects[ firstActiveIndex ] = object;\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ];\n\n\t\t\t\t\tlet binding = bindingsForPath[ index ];\n\n\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\n\t\t\t\t\tif ( binding === undefined ) {\n\n\t\t\t\t\t\t// since we do not bother to create new bindings\n\t\t\t\t\t\t// for objects that are cached, the binding may\n\t\t\t\t\t\t// or may not exist\n\n\t\t\t\t\t\tbinding = new PropertyBinding( object, paths[ j ], parsedPaths[ j ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = binding;\n\n\t\t\t\t}\n\n\t\t\t} else if ( objects[ index ] !== knownObject ) {\n\n\t\t\t\tconsole.error( 'THREE.AnimationObjectGroup: Different objects with the same UUID ' +\n\t\t\t\t\t'detected. Clean the caches or recreate your infrastructure when reloading scenes.' );\n\n\t\t\t} // else the object is already where we want it to be\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\tremove() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet nCachedObjects = this.nCachedObjects_;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid,\n\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\tif ( index !== undefined && index >= nCachedObjects ) {\n\n\t\t\t\t// move existing object into the CACHED region\n\n\t\t\t\tconst lastCachedIndex = nCachedObjects ++,\n\t\t\t\t\tfirstActiveObject = objects[ lastCachedIndex ];\n\n\t\t\t\tindicesByUUID[ firstActiveObject.uuid ] = index;\n\t\t\t\tobjects[ index ] = firstActiveObject;\n\n\t\t\t\tindicesByUUID[ uuid ] = lastCachedIndex;\n\t\t\t\tobjects[ lastCachedIndex ] = object;\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\tfirstActive = bindingsForPath[ lastCachedIndex ],\n\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\tbindingsForPath[ index ] = firstActive;\n\t\t\t\t\tbindingsForPath[ lastCachedIndex ] = binding;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\t// remove & forget\n\tuncache() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet nCachedObjects = this.nCachedObjects_,\n\t\t\tnObjects = objects.length;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid,\n\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tdelete indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index < nCachedObjects ) {\n\n\t\t\t\t\t// object is cached, shrink the CACHED region\n\n\t\t\t\t\tconst firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ],\n\t\t\t\t\t\tlastIndex = -- nObjects,\n\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t// last cached object takes this object's place\n\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\t// last object goes to the activated slot and pop\n\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = firstActiveIndex;\n\t\t\t\t\tobjects[ firstActiveIndex ] = lastObject;\n\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\tlast = bindingsForPath[ lastIndex ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = last;\n\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// object is active, just swap with the last and pop\n\n\t\t\t\t\tconst lastIndex = -- nObjects,\n\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\tif ( lastIndex > 0 ) {\n\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = index;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tobjects[ index ] = lastObject;\n\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tconst bindingsForPath = bindings[ j ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = bindingsForPath[ lastIndex ];\n\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t}\n\n\t\t\t\t} // cached or active\n\n\t\t\t} // if object is known\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\t// Internal interface used by befriended PropertyBinding.Composite:\n\n\tsubscribe_( path, parsedPath ) {\n\n\t\t// returns an array of bindings for the given path that is changed\n\t\t// according to the contained objects in the group\n\n\t\tconst indicesByPath = this._bindingsIndicesByPath;\n\t\tlet index = indicesByPath[ path ];\n\t\tconst bindings = this._bindings;\n\n\t\tif ( index !== undefined ) return bindings[ index ];\n\n\t\tconst paths = this._paths,\n\t\t\tparsedPaths = this._parsedPaths,\n\t\t\tobjects = this._objects,\n\t\t\tnObjects = objects.length,\n\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\tbindingsForPath = new Array( nObjects );\n\n\t\tindex = bindings.length;\n\n\t\tindicesByPath[ path ] = index;\n\n\t\tpaths.push( path );\n\t\tparsedPaths.push( parsedPath );\n\t\tbindings.push( bindingsForPath );\n\n\t\tfor ( let i = nCachedObjects, n = objects.length; i !== n; ++ i ) {\n\n\t\t\tconst object = objects[ i ];\n\t\t\tbindingsForPath[ i ] = new PropertyBinding( object, path, parsedPath );\n\n\t\t}\n\n\t\treturn bindingsForPath;\n\n\t}\n\n\tunsubscribe_( path ) {\n\n\t\t// tells the group to forget about a property path and no longer\n\t\t// update the array previously obtained with 'subscribe_'\n\n\t\tconst indicesByPath = this._bindingsIndicesByPath,\n\t\t\tindex = indicesByPath[ path ];\n\n\t\tif ( index !== undefined ) {\n\n\t\t\tconst paths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tlastBindingsIndex = bindings.length - 1,\n\t\t\t\tlastBindings = bindings[ lastBindingsIndex ],\n\t\t\t\tlastBindingsPath = path[ lastBindingsIndex ];\n\n\t\t\tindicesByPath[ lastBindingsPath ] = index;\n\n\t\t\tbindings[ index ] = lastBindings;\n\t\t\tbindings.pop();\n\n\t\t\tparsedPaths[ index ] = parsedPaths[ lastBindingsIndex ];\n\t\t\tparsedPaths.pop();\n\n\t\t\tpaths[ index ] = paths[ lastBindingsIndex ];\n\t\t\tpaths.pop();\n\n\t\t}\n\n\t}\n\n}\n\nAnimationObjectGroup.prototype.isAnimationObjectGroup = true;\n\nclass AnimationAction {\n\n\tconstructor( mixer, clip, localRoot = null, blendMode = clip.blendMode ) {\n\n\t\tthis._mixer = mixer;\n\t\tthis._clip = clip;\n\t\tthis._localRoot = localRoot;\n\t\tthis.blendMode = blendMode;\n\n\t\tconst tracks = clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tinterpolants = new Array( nTracks );\n\n\t\tconst interpolantSettings = {\n\t\t\tendingStart: ZeroCurvatureEnding,\n\t\t\tendingEnd: ZeroCurvatureEnding\n\t\t};\n\n\t\tfor ( let i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tconst interpolant = tracks[ i ].createInterpolant( null );\n\t\t\tinterpolants[ i ] = interpolant;\n\t\t\tinterpolant.settings = interpolantSettings;\n\n\t\t}\n\n\t\tthis._interpolantSettings = interpolantSettings;\n\n\t\tthis._interpolants = interpolants; // bound by the mixer\n\n\t\t// inside: PropertyMixer (managed by the mixer)\n\t\tthis._propertyBindings = new Array( nTracks );\n\n\t\tthis._cacheIndex = null; // for the memory manager\n\t\tthis._byClipCacheIndex = null; // for the memory manager\n\n\t\tthis._timeScaleInterpolant = null;\n\t\tthis._weightInterpolant = null;\n\n\t\tthis.loop = LoopRepeat;\n\t\tthis._loopCount = - 1;\n\n\t\t// global mixer time when the action is to be started\n\t\t// it's set back to 'null' upon start of the action\n\t\tthis._startTime = null;\n\n\t\t// scaled local time of the action\n\t\t// gets clamped or wrapped to 0..clip.duration according to loop\n\t\tthis.time = 0;\n\n\t\tthis.timeScale = 1;\n\t\tthis._effectiveTimeScale = 1;\n\n\t\tthis.weight = 1;\n\t\tthis._effectiveWeight = 1;\n\n\t\tthis.repetitions = Infinity; // no. of repetitions when looping\n\n\t\tthis.paused = false; // true -> zero effective time scale\n\t\tthis.enabled = true; // false -> zero effective weight\n\n\t\tthis.clampWhenFinished = false;// keep feeding the last frame?\n\n\t\tthis.zeroSlopeAtStart = true;// for smooth interpolation w/o separate\n\t\tthis.zeroSlopeAtEnd = true;// clips for start, loop and end\n\n\t}\n\n\t// State & Scheduling\n\n\tplay() {\n\n\t\tthis._mixer._activateAction( this );\n\n\t\treturn this;\n\n\t}\n\n\tstop() {\n\n\t\tthis._mixer._deactivateAction( this );\n\n\t\treturn this.reset();\n\n\t}\n\n\treset() {\n\n\t\tthis.paused = false;\n\t\tthis.enabled = true;\n\n\t\tthis.time = 0; // restart clip\n\t\tthis._loopCount = - 1;// forget previous loops\n\t\tthis._startTime = null;// forget scheduling\n\n\t\treturn this.stopFading().stopWarping();\n\n\t}\n\n\tisRunning() {\n\n\t\treturn this.enabled && ! this.paused && this.timeScale !== 0 &&\n\t\t\tthis._startTime === null && this._mixer._isActiveAction( this );\n\n\t}\n\n\t// return true when play has been called\n\tisScheduled() {\n\n\t\treturn this._mixer._isActiveAction( this );\n\n\t}\n\n\tstartAt( time ) {\n\n\t\tthis._startTime = time;\n\n\t\treturn this;\n\n\t}\n\n\tsetLoop( mode, repetitions ) {\n\n\t\tthis.loop = mode;\n\t\tthis.repetitions = repetitions;\n\n\t\treturn this;\n\n\t}\n\n\t// Weight\n\n\t// set the weight stopping any scheduled fading\n\t// although .enabled = false yields an effective weight of zero, this\n\t// method does *not* change .enabled, because it would be confusing\n\tsetEffectiveWeight( weight ) {\n\n\t\tthis.weight = weight;\n\n\t\t// note: same logic as when updated at runtime\n\t\tthis._effectiveWeight = this.enabled ? weight : 0;\n\n\t\treturn this.stopFading();\n\n\t}\n\n\t// return the weight considering fading and .enabled\n\tgetEffectiveWeight() {\n\n\t\treturn this._effectiveWeight;\n\n\t}\n\n\tfadeIn( duration ) {\n\n\t\treturn this._scheduleFading( duration, 0, 1 );\n\n\t}\n\n\tfadeOut( duration ) {\n\n\t\treturn this._scheduleFading( duration, 1, 0 );\n\n\t}\n\n\tcrossFadeFrom( fadeOutAction, duration, warp ) {\n\n\t\tfadeOutAction.fadeOut( duration );\n\t\tthis.fadeIn( duration );\n\n\t\tif ( warp ) {\n\n\t\t\tconst fadeInDuration = this._clip.duration,\n\t\t\t\tfadeOutDuration = fadeOutAction._clip.duration,\n\n\t\t\t\tstartEndRatio = fadeOutDuration / fadeInDuration,\n\t\t\t\tendStartRatio = fadeInDuration / fadeOutDuration;\n\n\t\t\tfadeOutAction.warp( 1.0, startEndRatio, duration );\n\t\t\tthis.warp( endStartRatio, 1.0, duration );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcrossFadeTo( fadeInAction, duration, warp ) {\n\n\t\treturn fadeInAction.crossFadeFrom( this, duration, warp );\n\n\t}\n\n\tstopFading() {\n\n\t\tconst weightInterpolant = this._weightInterpolant;\n\n\t\tif ( weightInterpolant !== null ) {\n\n\t\t\tthis._weightInterpolant = null;\n\t\t\tthis._mixer._takeBackControlInterpolant( weightInterpolant );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// Time Scale Control\n\n\t// set the time scale stopping any scheduled warping\n\t// although .paused = true yields an effective time scale of zero, this\n\t// method does *not* change .paused, because it would be confusing\n\tsetEffectiveTimeScale( timeScale ) {\n\n\t\tthis.timeScale = timeScale;\n\t\tthis._effectiveTimeScale = this.paused ? 0 : timeScale;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\t// return the time scale considering warping and .paused\n\tgetEffectiveTimeScale() {\n\n\t\treturn this._effectiveTimeScale;\n\n\t}\n\n\tsetDuration( duration ) {\n\n\t\tthis.timeScale = this._clip.duration / duration;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\tsyncWith( action ) {\n\n\t\tthis.time = action.time;\n\t\tthis.timeScale = action.timeScale;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\thalt( duration ) {\n\n\t\treturn this.warp( this._effectiveTimeScale, 0, duration );\n\n\t}\n\n\twarp( startTimeScale, endTimeScale, duration ) {\n\n\t\tconst mixer = this._mixer,\n\t\t\tnow = mixer.time,\n\t\t\ttimeScale = this.timeScale;\n\n\t\tlet interpolant = this._timeScaleInterpolant;\n\n\t\tif ( interpolant === null ) {\n\n\t\t\tinterpolant = mixer._lendControlInterpolant();\n\t\t\tthis._timeScaleInterpolant = interpolant;\n\n\t\t}\n\n\t\tconst times = interpolant.parameterPositions,\n\t\t\tvalues = interpolant.sampleValues;\n\n\t\ttimes[ 0 ] = now;\n\t\ttimes[ 1 ] = now + duration;\n\n\t\tvalues[ 0 ] = startTimeScale / timeScale;\n\t\tvalues[ 1 ] = endTimeScale / timeScale;\n\n\t\treturn this;\n\n\t}\n\n\tstopWarping() {\n\n\t\tconst timeScaleInterpolant = this._timeScaleInterpolant;\n\n\t\tif ( timeScaleInterpolant !== null ) {\n\n\t\t\tthis._timeScaleInterpolant = null;\n\t\t\tthis._mixer._takeBackControlInterpolant( timeScaleInterpolant );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// Object Accessors\n\n\tgetMixer() {\n\n\t\treturn this._mixer;\n\n\t}\n\n\tgetClip() {\n\n\t\treturn this._clip;\n\n\t}\n\n\tgetRoot() {\n\n\t\treturn this._localRoot || this._mixer._root;\n\n\t}\n\n\t// Interna\n\n\t_update( time, deltaTime, timeDirection, accuIndex ) {\n\n\t\t// called by the mixer\n\n\t\tif ( ! this.enabled ) {\n\n\t\t\t// call ._updateWeight() to update ._effectiveWeight\n\n\t\t\tthis._updateWeight( time );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst startTime = this._startTime;\n\n\t\tif ( startTime !== null ) {\n\n\t\t\t// check for scheduled start of action\n\n\t\t\tconst timeRunning = ( time - startTime ) * timeDirection;\n\t\t\tif ( timeRunning < 0 || timeDirection === 0 ) {\n\n\t\t\t\treturn; // yet to come / don't decide when delta = 0\n\n\t\t\t}\n\n\t\t\t// start\n\n\t\t\tthis._startTime = null; // unschedule\n\t\t\tdeltaTime = timeDirection * timeRunning;\n\n\t\t}\n\n\t\t// apply time scale and advance time\n\n\t\tdeltaTime *= this._updateTimeScale( time );\n\t\tconst clipTime = this._updateTime( deltaTime );\n\n\t\t// note: _updateTime may disable the action resulting in\n\t\t// an effective weight of 0\n\n\t\tconst weight = this._updateWeight( time );\n\n\t\tif ( weight > 0 ) {\n\n\t\t\tconst interpolants = this._interpolants;\n\t\t\tconst propertyMixers = this._propertyBindings;\n\n\t\t\tswitch ( this.blendMode ) {\n\n\t\t\t\tcase AdditiveAnimationBlendMode:\n\n\t\t\t\t\tfor ( let j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\t\tpropertyMixers[ j ].accumulateAdditive( weight );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase NormalAnimationBlendMode:\n\t\t\t\tdefault:\n\n\t\t\t\t\tfor ( let j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\t\tpropertyMixers[ j ].accumulate( accuIndex, weight );\n\n\t\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_updateWeight( time ) {\n\n\t\tlet weight = 0;\n\n\t\tif ( this.enabled ) {\n\n\t\t\tweight = this.weight;\n\t\t\tconst interpolant = this._weightInterpolant;\n\n\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\tconst interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\tweight *= interpolantValue;\n\n\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\tthis.stopFading();\n\n\t\t\t\t\tif ( interpolantValue === 0 ) {\n\n\t\t\t\t\t\t// faded out, disable\n\t\t\t\t\t\tthis.enabled = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis._effectiveWeight = weight;\n\t\treturn weight;\n\n\t}\n\n\t_updateTimeScale( time ) {\n\n\t\tlet timeScale = 0;\n\n\t\tif ( ! this.paused ) {\n\n\t\t\ttimeScale = this.timeScale;\n\n\t\t\tconst interpolant = this._timeScaleInterpolant;\n\n\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\tconst interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\ttimeScale *= interpolantValue;\n\n\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\tthis.stopWarping();\n\n\t\t\t\t\tif ( timeScale === 0 ) {\n\n\t\t\t\t\t\t// motion has halted, pause\n\t\t\t\t\t\tthis.paused = true;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// warp done - apply final time scale\n\t\t\t\t\t\tthis.timeScale = timeScale;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis._effectiveTimeScale = timeScale;\n\t\treturn timeScale;\n\n\t}\n\n\t_updateTime( deltaTime ) {\n\n\t\tconst duration = this._clip.duration;\n\t\tconst loop = this.loop;\n\n\t\tlet time = this.time + deltaTime;\n\t\tlet loopCount = this._loopCount;\n\n\t\tconst pingPong = ( loop === LoopPingPong );\n\n\t\tif ( deltaTime === 0 ) {\n\n\t\t\tif ( loopCount === - 1 ) return time;\n\n\t\t\treturn ( pingPong && ( loopCount & 1 ) === 1 ) ? duration - time : time;\n\n\t\t}\n\n\t\tif ( loop === LoopOnce ) {\n\n\t\t\tif ( loopCount === - 1 ) {\n\n\t\t\t\t// just started\n\n\t\t\t\tthis._loopCount = 0;\n\t\t\t\tthis._setEndings( true, true, false );\n\n\t\t\t}\n\n\t\t\thandle_stop: {\n\n\t\t\t\tif ( time >= duration ) {\n\n\t\t\t\t\ttime = duration;\n\n\t\t\t\t} else if ( time < 0 ) {\n\n\t\t\t\t\ttime = 0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tbreak handle_stop;\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\telse this.enabled = false;\n\n\t\t\t\tthis.time = time;\n\n\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\tdirection: deltaTime < 0 ? - 1 : 1\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t} else { // repetitive Repeat or PingPong\n\n\t\t\tif ( loopCount === - 1 ) {\n\n\t\t\t\t// just started\n\n\t\t\t\tif ( deltaTime >= 0 ) {\n\n\t\t\t\t\tloopCount = 0;\n\n\t\t\t\t\tthis._setEndings( true, this.repetitions === 0, pingPong );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// when looping in reverse direction, the initial\n\t\t\t\t\t// transition through zero counts as a repetition,\n\t\t\t\t\t// so leave loopCount at -1\n\n\t\t\t\t\tthis._setEndings( this.repetitions === 0, true, pingPong );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( time >= duration || time < 0 ) {\n\n\t\t\t\t// wrap around\n\n\t\t\t\tconst loopDelta = Math.floor( time / duration ); // signed\n\t\t\t\ttime -= duration * loopDelta;\n\n\t\t\t\tloopCount += Math.abs( loopDelta );\n\n\t\t\t\tconst pending = this.repetitions - loopCount;\n\n\t\t\t\tif ( pending <= 0 ) {\n\n\t\t\t\t\t// have to stop (switch state, clamp time, fire event)\n\n\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\ttime = deltaTime > 0 ? duration : 0;\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\tdirection: deltaTime > 0 ? 1 : - 1\n\t\t\t\t\t} );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// keep running\n\n\t\t\t\t\tif ( pending === 1 ) {\n\n\t\t\t\t\t\t// entering the last round\n\n\t\t\t\t\t\tconst atStart = deltaTime < 0;\n\t\t\t\t\t\tthis._setEndings( atStart, ! atStart, pingPong );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthis._setEndings( false, false, pingPong );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis._loopCount = loopCount;\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'loop', action: this, loopDelta: loopDelta\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tthis.time = time;\n\n\t\t\t}\n\n\t\t\tif ( pingPong && ( loopCount & 1 ) === 1 ) {\n\n\t\t\t\t// invert time for the \"pong round\"\n\n\t\t\t\treturn duration - time;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn time;\n\n\t}\n\n\t_setEndings( atStart, atEnd, pingPong ) {\n\n\t\tconst settings = this._interpolantSettings;\n\n\t\tif ( pingPong ) {\n\n\t\t\tsettings.endingStart = ZeroSlopeEnding;\n\t\t\tsettings.endingEnd = ZeroSlopeEnding;\n\n\t\t} else {\n\n\t\t\t// assuming for LoopOnce atStart == atEnd == true\n\n\t\t\tif ( atStart ) {\n\n\t\t\t\tsettings.endingStart = this.zeroSlopeAtStart ? ZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t} else {\n\n\t\t\t\tsettings.endingStart = WrapAroundEnding;\n\n\t\t\t}\n\n\t\t\tif ( atEnd ) {\n\n\t\t\t\tsettings.endingEnd = this.zeroSlopeAtEnd ? ZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t} else {\n\n\t\t\t\tsettings.endingEnd \t = WrapAroundEnding;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_scheduleFading( duration, weightNow, weightThen ) {\n\n\t\tconst mixer = this._mixer, now = mixer.time;\n\t\tlet interpolant = this._weightInterpolant;\n\n\t\tif ( interpolant === null ) {\n\n\t\t\tinterpolant = mixer._lendControlInterpolant();\n\t\t\tthis._weightInterpolant = interpolant;\n\n\t\t}\n\n\t\tconst times = interpolant.parameterPositions,\n\t\t\tvalues = interpolant.sampleValues;\n\n\t\ttimes[ 0 ] = now;\n\t\tvalues[ 0 ] = weightNow;\n\t\ttimes[ 1 ] = now + duration;\n\t\tvalues[ 1 ] = weightThen;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass AnimationMixer extends EventDispatcher {\n\n\tconstructor( root ) {\n\n\t\tsuper();\n\n\t\tthis._root = root;\n\t\tthis._initMemoryManager();\n\t\tthis._accuIndex = 0;\n\t\tthis.time = 0;\n\t\tthis.timeScale = 1.0;\n\n\t}\n\n\t_bindAction( action, prototypeAction ) {\n\n\t\tconst root = action._localRoot || this._root,\n\t\t\ttracks = action._clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tbindings = action._propertyBindings,\n\t\t\tinterpolants = action._interpolants,\n\t\t\trootUuid = root.uuid,\n\t\t\tbindingsByRoot = this._bindingsByRootAndName;\n\n\t\tlet bindingsByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingsByName === undefined ) {\n\n\t\t\tbindingsByName = {};\n\t\t\tbindingsByRoot[ rootUuid ] = bindingsByName;\n\n\t\t}\n\n\t\tfor ( let i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tconst track = tracks[ i ],\n\t\t\t\ttrackName = track.name;\n\n\t\t\tlet binding = bindingsByName[ trackName ];\n\n\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t} else {\n\n\t\t\t\tbinding = bindings[ i ];\n\n\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\t// existing binding, make sure the cache knows\n\n\t\t\t\t\tif ( binding._cacheIndex === null ) {\n\n\t\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tconst path = prototypeAction && prototypeAction.\n\t\t\t\t\t_propertyBindings[ i ].binding.parsedPath;\n\n\t\t\t\tbinding = new PropertyMixer(\n\t\t\t\t\tPropertyBinding.create( root, trackName, path ),\n\t\t\t\t\ttrack.ValueTypeName, track.getValueSize() );\n\n\t\t\t\t++ binding.referenceCount;\n\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t}\n\n\t\t\tinterpolants[ i ].resultBuffer = binding.buffer;\n\n\t\t}\n\n\t}\n\n\t_activateAction( action ) {\n\n\t\tif ( ! this._isActiveAction( action ) ) {\n\n\t\t\tif ( action._cacheIndex === null ) {\n\n\t\t\t\t// this action has been forgotten by the cache, but the user\n\t\t\t\t// appears to be still using it -> rebind\n\n\t\t\t\tconst rootUuid = ( action._localRoot || this._root ).uuid,\n\t\t\t\t\tclipUuid = action._clip.uuid,\n\t\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\t\tthis._bindAction( action,\n\t\t\t\t\tactionsForClip && actionsForClip.knownActions[ 0 ] );\n\n\t\t\t\tthis._addInactiveAction( action, clipUuid, rootUuid );\n\n\t\t\t}\n\n\t\t\tconst bindings = action._propertyBindings;\n\n\t\t\t// increment reference counts / sort out state\n\t\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tconst binding = bindings[ i ];\n\n\t\t\t\tif ( binding.useCount ++ === 0 ) {\n\n\t\t\t\t\tthis._lendBinding( binding );\n\t\t\t\t\tbinding.saveOriginalState();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._lendAction( action );\n\n\t\t}\n\n\t}\n\n\t_deactivateAction( action ) {\n\n\t\tif ( this._isActiveAction( action ) ) {\n\n\t\t\tconst bindings = action._propertyBindings;\n\n\t\t\t// decrement reference counts / sort out state\n\t\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tconst binding = bindings[ i ];\n\n\t\t\t\tif ( -- binding.useCount === 0 ) {\n\n\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\tthis._takeBackBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._takeBackAction( action );\n\n\t\t}\n\n\t}\n\n\t// Memory manager\n\n\t_initMemoryManager() {\n\n\t\tthis._actions = []; // 'nActiveActions' followed by inactive ones\n\t\tthis._nActiveActions = 0;\n\n\t\tthis._actionsByClip = {};\n\t\t// inside:\n\t\t// {\n\t\t// \tknownActions: Array< AnimationAction > - used as prototypes\n\t\t// \tactionByRoot: AnimationAction - lookup\n\t\t// }\n\n\n\t\tthis._bindings = []; // 'nActiveBindings' followed by inactive ones\n\t\tthis._nActiveBindings = 0;\n\n\t\tthis._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer >\n\n\n\t\tthis._controlInterpolants = []; // same game as above\n\t\tthis._nActiveControlInterpolants = 0;\n\n\t\tconst scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tactions: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._actions.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveActions;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tbindings: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._bindings.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveBindings;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tcontrolInterpolants: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._controlInterpolants.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveControlInterpolants;\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t// Memory management for AnimationAction objects\n\n\t_isActiveAction( action ) {\n\n\t\tconst index = action._cacheIndex;\n\t\treturn index !== null && index < this._nActiveActions;\n\n\t}\n\n\t_addInactiveAction( action, clipUuid, rootUuid ) {\n\n\t\tconst actions = this._actions,\n\t\t\tactionsByClip = this._actionsByClip;\n\n\t\tlet actionsForClip = actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip === undefined ) {\n\n\t\t\tactionsForClip = {\n\n\t\t\t\tknownActions: [ action ],\n\t\t\t\tactionByRoot: {}\n\n\t\t\t};\n\n\t\t\taction._byClipCacheIndex = 0;\n\n\t\t\tactionsByClip[ clipUuid ] = actionsForClip;\n\n\t\t} else {\n\n\t\t\tconst knownActions = actionsForClip.knownActions;\n\n\t\t\taction._byClipCacheIndex = knownActions.length;\n\t\t\tknownActions.push( action );\n\n\t\t}\n\n\t\taction._cacheIndex = actions.length;\n\t\tactions.push( action );\n\n\t\tactionsForClip.actionByRoot[ rootUuid ] = action;\n\n\t}\n\n\t_removeInactiveAction( action ) {\n\n\t\tconst actions = this._actions,\n\t\t\tlastInactiveAction = actions[ actions.length - 1 ],\n\t\t\tcacheIndex = action._cacheIndex;\n\n\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\tactions.pop();\n\n\t\taction._cacheIndex = null;\n\n\n\t\tconst clipUuid = action._clip.uuid,\n\t\t\tactionsByClip = this._actionsByClip,\n\t\t\tactionsForClip = actionsByClip[ clipUuid ],\n\t\t\tknownActionsForClip = actionsForClip.knownActions,\n\n\t\t\tlastKnownAction =\n\t\t\t\tknownActionsForClip[ knownActionsForClip.length - 1 ],\n\n\t\t\tbyClipCacheIndex = action._byClipCacheIndex;\n\n\t\tlastKnownAction._byClipCacheIndex = byClipCacheIndex;\n\t\tknownActionsForClip[ byClipCacheIndex ] = lastKnownAction;\n\t\tknownActionsForClip.pop();\n\n\t\taction._byClipCacheIndex = null;\n\n\n\t\tconst actionByRoot = actionsForClip.actionByRoot,\n\t\t\trootUuid = ( action._localRoot || this._root ).uuid;\n\n\t\tdelete actionByRoot[ rootUuid ];\n\n\t\tif ( knownActionsForClip.length === 0 ) {\n\n\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t}\n\n\t\tthis._removeInactiveBindingsForAction( action );\n\n\t}\n\n\t_removeInactiveBindingsForAction( action ) {\n\n\t\tconst bindings = action._propertyBindings;\n\n\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tconst binding = bindings[ i ];\n\n\t\t\tif ( -- binding.referenceCount === 0 ) {\n\n\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_lendAction( action ) {\n\n\t\t// [ active actions | inactive actions ]\n\t\t// [ active actions >| inactive actions ]\n\t\t// s a\n\t\t// <-swap->\n\t\t// a s\n\n\t\tconst actions = this._actions,\n\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\tlastActiveIndex = this._nActiveActions ++,\n\n\t\t\tfirstInactiveAction = actions[ lastActiveIndex ];\n\n\t\taction._cacheIndex = lastActiveIndex;\n\t\tactions[ lastActiveIndex ] = action;\n\n\t\tfirstInactiveAction._cacheIndex = prevIndex;\n\t\tactions[ prevIndex ] = firstInactiveAction;\n\n\t}\n\n\t_takeBackAction( action ) {\n\n\t\t// [ active actions | inactive actions ]\n\t\t// [ active actions |< inactive actions ]\n\t\t// a s\n\t\t// <-swap->\n\t\t// s a\n\n\t\tconst actions = this._actions,\n\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveActions,\n\n\t\t\tlastActiveAction = actions[ firstInactiveIndex ];\n\n\t\taction._cacheIndex = firstInactiveIndex;\n\t\tactions[ firstInactiveIndex ] = action;\n\n\t\tlastActiveAction._cacheIndex = prevIndex;\n\t\tactions[ prevIndex ] = lastActiveAction;\n\n\t}\n\n\t// Memory management for PropertyMixer objects\n\n\t_addInactiveBinding( binding, rootUuid, trackName ) {\n\n\t\tconst bindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindings = this._bindings;\n\n\t\tlet bindingByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingByName === undefined ) {\n\n\t\t\tbindingByName = {};\n\t\t\tbindingsByRoot[ rootUuid ] = bindingByName;\n\n\t\t}\n\n\t\tbindingByName[ trackName ] = binding;\n\n\t\tbinding._cacheIndex = bindings.length;\n\t\tbindings.push( binding );\n\n\t}\n\n\t_removeInactiveBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tpropBinding = binding.binding,\n\t\t\trootUuid = propBinding.rootNode.uuid,\n\t\t\ttrackName = propBinding.path,\n\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\tlastInactiveBinding = bindings[ bindings.length - 1 ],\n\t\t\tcacheIndex = binding._cacheIndex;\n\n\t\tlastInactiveBinding._cacheIndex = cacheIndex;\n\t\tbindings[ cacheIndex ] = lastInactiveBinding;\n\t\tbindings.pop();\n\n\t\tdelete bindingByName[ trackName ];\n\n\t\tif ( Object.keys( bindingByName ).length === 0 ) {\n\n\t\t\tdelete bindingsByRoot[ rootUuid ];\n\n\t\t}\n\n\t}\n\n\t_lendBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\tlastActiveIndex = this._nActiveBindings ++,\n\n\t\t\tfirstInactiveBinding = bindings[ lastActiveIndex ];\n\n\t\tbinding._cacheIndex = lastActiveIndex;\n\t\tbindings[ lastActiveIndex ] = binding;\n\n\t\tfirstInactiveBinding._cacheIndex = prevIndex;\n\t\tbindings[ prevIndex ] = firstInactiveBinding;\n\n\t}\n\n\t_takeBackBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveBindings,\n\n\t\t\tlastActiveBinding = bindings[ firstInactiveIndex ];\n\n\t\tbinding._cacheIndex = firstInactiveIndex;\n\t\tbindings[ firstInactiveIndex ] = binding;\n\n\t\tlastActiveBinding._cacheIndex = prevIndex;\n\t\tbindings[ prevIndex ] = lastActiveBinding;\n\n\t}\n\n\n\t// Memory management of Interpolants for weight and time scale\n\n\t_lendControlInterpolant() {\n\n\t\tconst interpolants = this._controlInterpolants,\n\t\t\tlastActiveIndex = this._nActiveControlInterpolants ++;\n\n\t\tlet interpolant = interpolants[ lastActiveIndex ];\n\n\t\tif ( interpolant === undefined ) {\n\n\t\t\tinterpolant = new LinearInterpolant(\n\t\t\t\tnew Float32Array( 2 ), new Float32Array( 2 ),\n\t\t\t\t1, this._controlInterpolantsResultBuffer );\n\n\t\t\tinterpolant.__cacheIndex = lastActiveIndex;\n\t\t\tinterpolants[ lastActiveIndex ] = interpolant;\n\n\t\t}\n\n\t\treturn interpolant;\n\n\t}\n\n\t_takeBackControlInterpolant( interpolant ) {\n\n\t\tconst interpolants = this._controlInterpolants,\n\t\t\tprevIndex = interpolant.__cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveControlInterpolants,\n\n\t\t\tlastActiveInterpolant = interpolants[ firstInactiveIndex ];\n\n\t\tinterpolant.__cacheIndex = firstInactiveIndex;\n\t\tinterpolants[ firstInactiveIndex ] = interpolant;\n\n\t\tlastActiveInterpolant.__cacheIndex = prevIndex;\n\t\tinterpolants[ prevIndex ] = lastActiveInterpolant;\n\n\t}\n\n\t// return an action for a clip optionally using a custom root target\n\t// object (this method allocates a lot of dynamic memory in case a\n\t// previously unknown clip/root combination is specified)\n\tclipAction( clip, optionalRoot, blendMode ) {\n\n\t\tconst root = optionalRoot || this._root,\n\t\t\trootUuid = root.uuid;\n\n\t\tlet clipObject = typeof clip === 'string' ? AnimationClip.findByName( root, clip ) : clip;\n\n\t\tconst clipUuid = clipObject !== null ? clipObject.uuid : clip;\n\n\t\tconst actionsForClip = this._actionsByClip[ clipUuid ];\n\t\tlet prototypeAction = null;\n\n\t\tif ( blendMode === undefined ) {\n\n\t\t\tif ( clipObject !== null ) {\n\n\t\t\t\tblendMode = clipObject.blendMode;\n\n\t\t\t} else {\n\n\t\t\t\tblendMode = NormalAnimationBlendMode;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\tconst existingAction = actionsForClip.actionByRoot[ rootUuid ];\n\n\t\t\tif ( existingAction !== undefined && existingAction.blendMode === blendMode ) {\n\n\t\t\t\treturn existingAction;\n\n\t\t\t}\n\n\t\t\t// we know the clip, so we don't have to parse all\n\t\t\t// the bindings again but can just copy\n\t\t\tprototypeAction = actionsForClip.knownActions[ 0 ];\n\n\t\t\t// also, take the clip from the prototype action\n\t\t\tif ( clipObject === null )\n\t\t\t\tclipObject = prototypeAction._clip;\n\n\t\t}\n\n\t\t// clip must be known when specified via string\n\t\tif ( clipObject === null ) return null;\n\n\t\t// allocate all resources required to run it\n\t\tconst newAction = new AnimationAction( this, clipObject, optionalRoot, blendMode );\n\n\t\tthis._bindAction( newAction, prototypeAction );\n\n\t\t// and make the action known to the memory manager\n\t\tthis._addInactiveAction( newAction, clipUuid, rootUuid );\n\n\t\treturn newAction;\n\n\t}\n\n\t// get an existing action\n\texistingAction( clip, optionalRoot ) {\n\n\t\tconst root = optionalRoot || this._root,\n\t\t\trootUuid = root.uuid,\n\n\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\tclipUuid = clipObject ? clipObject.uuid : clip,\n\n\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\treturn actionsForClip.actionByRoot[ rootUuid ] || null;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\t// deactivates all previously scheduled actions\n\tstopAllAction() {\n\n\t\tconst actions = this._actions,\n\t\t\tnActions = this._nActiveActions;\n\n\t\tfor ( let i = nActions - 1; i >= 0; -- i ) {\n\n\t\t\tactions[ i ].stop();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// advance the time and update apply the animation\n\tupdate( deltaTime ) {\n\n\t\tdeltaTime *= this.timeScale;\n\n\t\tconst actions = this._actions,\n\t\t\tnActions = this._nActiveActions,\n\n\t\t\ttime = this.time += deltaTime,\n\t\t\ttimeDirection = Math.sign( deltaTime ),\n\n\t\t\taccuIndex = this._accuIndex ^= 1;\n\n\t\t// run active actions\n\n\t\tfor ( let i = 0; i !== nActions; ++ i ) {\n\n\t\t\tconst action = actions[ i ];\n\n\t\t\taction._update( time, deltaTime, timeDirection, accuIndex );\n\n\t\t}\n\n\t\t// update scene graph\n\n\t\tconst bindings = this._bindings,\n\t\t\tnBindings = this._nActiveBindings;\n\n\t\tfor ( let i = 0; i !== nBindings; ++ i ) {\n\n\t\t\tbindings[ i ].apply( accuIndex );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// Allows you to seek to a specific time in an animation.\n\tsetTime( timeInSeconds ) {\n\n\t\tthis.time = 0; // Zero out time attribute for AnimationMixer object;\n\t\tfor ( let i = 0; i < this._actions.length; i ++ ) {\n\n\t\t\tthis._actions[ i ].time = 0; // Zero out time attribute for all associated AnimationAction objects.\n\n\t\t}\n\n\t\treturn this.update( timeInSeconds ); // Update used to set exact time. Returns \"this\" AnimationMixer object.\n\n\t}\n\n\t// return this mixer's root target object\n\tgetRoot() {\n\n\t\treturn this._root;\n\n\t}\n\n\t// free all resources specific to a particular clip\n\tuncacheClip( clip ) {\n\n\t\tconst actions = this._actions,\n\t\t\tclipUuid = clip.uuid,\n\t\t\tactionsByClip = this._actionsByClip,\n\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t// note: just calling _removeInactiveAction would mess up the\n\t\t\t// iteration state and also require updating the state we can\n\t\t\t// just throw away\n\n\t\t\tconst actionsToRemove = actionsForClip.knownActions;\n\n\t\t\tfor ( let i = 0, n = actionsToRemove.length; i !== n; ++ i ) {\n\n\t\t\t\tconst action = actionsToRemove[ i ];\n\n\t\t\t\tthis._deactivateAction( action );\n\n\t\t\t\tconst cacheIndex = action._cacheIndex,\n\t\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ];\n\n\t\t\t\taction._cacheIndex = null;\n\t\t\t\taction._byClipCacheIndex = null;\n\n\t\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\t\tactions.pop();\n\n\t\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t\t}\n\n\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t}\n\n\t}\n\n\t// free all resources specific to a particular root target object\n\tuncacheRoot( root ) {\n\n\t\tconst rootUuid = root.uuid,\n\t\t\tactionsByClip = this._actionsByClip;\n\n\t\tfor ( const clipUuid in actionsByClip ) {\n\n\t\t\tconst actionByRoot = actionsByClip[ clipUuid ].actionByRoot,\n\t\t\t\taction = actionByRoot[ rootUuid ];\n\n\t\t\tif ( action !== undefined ) {\n\n\t\t\t\tthis._deactivateAction( action );\n\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst bindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindingByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingByName !== undefined ) {\n\n\t\t\tfor ( const trackName in bindingByName ) {\n\n\t\t\t\tconst binding = bindingByName[ trackName ];\n\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// remove a targeted clip from the cache\n\tuncacheAction( clip, optionalRoot ) {\n\n\t\tconst action = this.existingAction( clip, optionalRoot );\n\n\t\tif ( action !== null ) {\n\n\t\t\tthis._deactivateAction( action );\n\t\t\tthis._removeInactiveAction( action );\n\n\t\t}\n\n\t}\n\n}\n\nAnimationMixer.prototype._controlInterpolantsResultBuffer = new Float32Array( 1 );\n\nclass Uniform {\n\n\tconstructor( value ) {\n\n\t\tif ( typeof value === 'string' ) {\n\n\t\t\tconsole.warn( 'THREE.Uniform: Type parameter is no longer needed.' );\n\t\t\tvalue = arguments[ 1 ];\n\n\t\t}\n\n\t\tthis.value = value;\n\n\t}\n\n\tclone() {\n\n\t\treturn new Uniform( this.value.clone === undefined ? this.value : this.value.clone() );\n\n\t}\n\n}\n\nclass InstancedInterleavedBuffer extends InterleavedBuffer {\n\n\tconstructor( array, stride, meshPerAttribute = 1 ) {\n\n\t\tsuper( array, stride );\n\n\t\tthis.meshPerAttribute = meshPerAttribute;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tconst ib = super.clone( data );\n\n\t\tib.meshPerAttribute = this.meshPerAttribute;\n\n\t\treturn ib;\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tconst json = super.toJSON( data );\n\n\t\tjson.isInstancedInterleavedBuffer = true;\n\t\tjson.meshPerAttribute = this.meshPerAttribute;\n\n\t\treturn json;\n\n\t}\n\n}\n\nInstancedInterleavedBuffer.prototype.isInstancedInterleavedBuffer = true;\n\nclass GLBufferAttribute {\n\n\tconstructor( buffer, type, itemSize, elementSize, count ) {\n\n\t\tthis.buffer = buffer;\n\t\tthis.type = type;\n\t\tthis.itemSize = itemSize;\n\t\tthis.elementSize = elementSize;\n\t\tthis.count = count;\n\n\t\tthis.version = 0;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tsetBuffer( buffer ) {\n\n\t\tthis.buffer = buffer;\n\n\t\treturn this;\n\n\t}\n\n\tsetType( type, elementSize ) {\n\n\t\tthis.type = type;\n\t\tthis.elementSize = elementSize;\n\n\t\treturn this;\n\n\t}\n\n\tsetItemSize( itemSize ) {\n\n\t\tthis.itemSize = itemSize;\n\n\t\treturn this;\n\n\t}\n\n\tsetCount( count ) {\n\n\t\tthis.count = count;\n\n\t\treturn this;\n\n\t}\n\n}\n\nGLBufferAttribute.prototype.isGLBufferAttribute = true;\n\nclass Raycaster {\n\n\tconstructor( origin, direction, near = 0, far = Infinity ) {\n\n\t\tthis.ray = new Ray( origin, direction );\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\t\tthis.camera = null;\n\t\tthis.layers = new Layers();\n\n\t\tthis.params = {\n\t\t\tMesh: {},\n\t\t\tLine: { threshold: 1 },\n\t\t\tLOD: {},\n\t\t\tPoints: { threshold: 1 },\n\t\t\tSprite: {}\n\t\t};\n\n\t}\n\n\tset( origin, direction ) {\n\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.ray.set( origin, direction );\n\n\t}\n\n\tsetFromCamera( coords, camera ) {\n\n\t\tif ( camera && camera.isPerspectiveCamera ) {\n\n\t\t\tthis.ray.origin.setFromMatrixPosition( camera.matrixWorld );\n\t\t\tthis.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize();\n\t\t\tthis.camera = camera;\n\n\t\t} else if ( camera && camera.isOrthographicCamera ) {\n\n\t\t\tthis.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera\n\t\t\tthis.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld );\n\t\t\tthis.camera = camera;\n\n\t\t} else {\n\n\t\t\tconsole.error( 'THREE.Raycaster: Unsupported camera type: ' + camera.type );\n\n\t\t}\n\n\t}\n\n\tintersectObject( object, recursive = true, intersects = [] ) {\n\n\t\tintersectObject( object, this, intersects, recursive );\n\n\t\tintersects.sort( ascSort );\n\n\t\treturn intersects;\n\n\t}\n\n\tintersectObjects( objects, recursive = true, intersects = [] ) {\n\n\t\tfor ( let i = 0, l = objects.length; i < l; i ++ ) {\n\n\t\t\tintersectObject( objects[ i ], this, intersects, recursive );\n\n\t\t}\n\n\t\tintersects.sort( ascSort );\n\n\t\treturn intersects;\n\n\t}\n\n}\n\nfunction ascSort( a, b ) {\n\n\treturn a.distance - b.distance;\n\n}\n\nfunction intersectObject( object, raycaster, intersects, recursive ) {\n\n\tif ( object.layers.test( raycaster.layers ) ) {\n\n\t\tobject.raycast( raycaster, intersects );\n\n\t}\n\n\tif ( recursive === true ) {\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tintersectObject( children[ i ], raycaster, intersects, true );\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system\n *\n * The polar angle (phi) is measured from the positive y-axis. The positive y-axis is up.\n * The azimuthal angle (theta) is measured from the positive z-axis.\n */\n\nclass Spherical {\n\n\tconstructor( radius = 1, phi = 0, theta = 0 ) {\n\n\t\tthis.radius = radius;\n\t\tthis.phi = phi; // polar angle\n\t\tthis.theta = theta; // azimuthal angle\n\n\t\treturn this;\n\n\t}\n\n\tset( radius, phi, theta ) {\n\n\t\tthis.radius = radius;\n\t\tthis.phi = phi;\n\t\tthis.theta = theta;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( other ) {\n\n\t\tthis.radius = other.radius;\n\t\tthis.phi = other.phi;\n\t\tthis.theta = other.theta;\n\n\t\treturn this;\n\n\t}\n\n\t// restrict phi to be betwee EPS and PI-EPS\n\tmakeSafe() {\n\n\t\tconst EPS = 0.000001;\n\t\tthis.phi = Math.max( EPS, Math.min( Math.PI - EPS, this.phi ) );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromVector3( v ) {\n\n\t\treturn this.setFromCartesianCoords( v.x, v.y, v.z );\n\n\t}\n\n\tsetFromCartesianCoords( x, y, z ) {\n\n\t\tthis.radius = Math.sqrt( x * x + y * y + z * z );\n\n\t\tif ( this.radius === 0 ) {\n\n\t\t\tthis.theta = 0;\n\t\t\tthis.phi = 0;\n\n\t\t} else {\n\n\t\t\tthis.theta = Math.atan2( x, z );\n\t\t\tthis.phi = Math.acos( clamp( y / this.radius, - 1, 1 ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\n/**\n * Ref: https://en.wikipedia.org/wiki/Cylindrical_coordinate_system\n */\n\nclass Cylindrical {\n\n\tconstructor( radius = 1, theta = 0, y = 0 ) {\n\n\t\tthis.radius = radius; // distance from the origin to a point in the x-z plane\n\t\tthis.theta = theta; // counterclockwise angle in the x-z plane measured in radians from the positive z-axis\n\t\tthis.y = y; // height above the x-z plane\n\n\t\treturn this;\n\n\t}\n\n\tset( radius, theta, y ) {\n\n\t\tthis.radius = radius;\n\t\tthis.theta = theta;\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( other ) {\n\n\t\tthis.radius = other.radius;\n\t\tthis.theta = other.theta;\n\t\tthis.y = other.y;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromVector3( v ) {\n\n\t\treturn this.setFromCartesianCoords( v.x, v.y, v.z );\n\n\t}\n\n\tsetFromCartesianCoords( x, y, z ) {\n\n\t\tthis.radius = Math.sqrt( x * x + z * z );\n\t\tthis.theta = Math.atan2( x, z );\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _vector$4 = /*@__PURE__*/ new Vector2();\n\nclass Box2 {\n\n\tconstructor( min = new Vector2( + Infinity, + Infinity ), max = new Vector2( - Infinity, - Infinity ) ) {\n\n\t\tthis.min = min;\n\t\tthis.max = max;\n\n\t}\n\n\tset( min, max ) {\n\n\t\tthis.min.copy( min );\n\t\tthis.max.copy( max );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCenterAndSize( center, size ) {\n\n\t\tconst halfSize = _vector$4.copy( size ).multiplyScalar( 0.5 );\n\t\tthis.min.copy( center ).sub( halfSize );\n\t\tthis.max.copy( center ).add( halfSize );\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( box ) {\n\n\t\tthis.min.copy( box.min );\n\t\tthis.max.copy( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tmakeEmpty() {\n\n\t\tthis.min.x = this.min.y = + Infinity;\n\t\tthis.max.x = this.max.y = - Infinity;\n\n\t\treturn this;\n\n\t}\n\n\tisEmpty() {\n\n\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y );\n\n\t}\n\n\tgetCenter( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t}\n\n\tgetSize( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0 ) : target.subVectors( this.max, this.min );\n\n\t}\n\n\texpandByPoint( point ) {\n\n\t\tthis.min.min( point );\n\t\tthis.max.max( point );\n\n\t\treturn this;\n\n\t}\n\n\texpandByVector( vector ) {\n\n\t\tthis.min.sub( vector );\n\t\tthis.max.add( vector );\n\n\t\treturn this;\n\n\t}\n\n\texpandByScalar( scalar ) {\n\n\t\tthis.min.addScalar( - scalar );\n\t\tthis.max.addScalar( scalar );\n\n\t\treturn this;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn point.x < this.min.x || point.x > this.max.x ||\n\t\t\tpoint.y < this.min.y || point.y > this.max.y ? false : true;\n\n\t}\n\n\tcontainsBox( box ) {\n\n\t\treturn this.min.x <= box.min.x && box.max.x <= this.max.x &&\n\t\t\tthis.min.y <= box.min.y && box.max.y <= this.max.y;\n\n\t}\n\n\tgetParameter( point, target ) {\n\n\t\t// This can potentially have a divide by zero if the box\n\t\t// has a size dimension of 0.\n\n\t\treturn target.set(\n\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y )\n\t\t);\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\t// using 4 splitting planes to rule out intersections\n\n\t\treturn box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\tbox.max.y < this.min.y || box.min.y > this.max.y ? false : true;\n\n\t}\n\n\tclampPoint( point, target ) {\n\n\t\treturn target.copy( point ).clamp( this.min, this.max );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\tconst clampedPoint = _vector$4.copy( point ).clamp( this.min, this.max );\n\t\treturn clampedPoint.sub( point ).length();\n\n\t}\n\n\tintersect( box ) {\n\n\t\tthis.min.max( box.min );\n\t\tthis.max.min( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tunion( box ) {\n\n\t\tthis.min.min( box.min );\n\t\tthis.max.max( box.max );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.min.add( offset );\n\t\tthis.max.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\tequals( box ) {\n\n\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t}\n\n}\n\nBox2.prototype.isBox2 = true;\n\nconst _startP = /*@__PURE__*/ new Vector3();\nconst _startEnd = /*@__PURE__*/ new Vector3();\n\nclass Line3 {\n\n\tconstructor( start = new Vector3(), end = new Vector3() ) {\n\n\t\tthis.start = start;\n\t\tthis.end = end;\n\n\t}\n\n\tset( start, end ) {\n\n\t\tthis.start.copy( start );\n\t\tthis.end.copy( end );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( line ) {\n\n\t\tthis.start.copy( line.start );\n\t\tthis.end.copy( line.end );\n\n\t\treturn this;\n\n\t}\n\n\tgetCenter( target ) {\n\n\t\treturn target.addVectors( this.start, this.end ).multiplyScalar( 0.5 );\n\n\t}\n\n\tdelta( target ) {\n\n\t\treturn target.subVectors( this.end, this.start );\n\n\t}\n\n\tdistanceSq() {\n\n\t\treturn this.start.distanceToSquared( this.end );\n\n\t}\n\n\tdistance() {\n\n\t\treturn this.start.distanceTo( this.end );\n\n\t}\n\n\tat( t, target ) {\n\n\t\treturn this.delta( target ).multiplyScalar( t ).add( this.start );\n\n\t}\n\n\tclosestPointToPointParameter( point, clampToLine ) {\n\n\t\t_startP.subVectors( point, this.start );\n\t\t_startEnd.subVectors( this.end, this.start );\n\n\t\tconst startEnd2 = _startEnd.dot( _startEnd );\n\t\tconst startEnd_startP = _startEnd.dot( _startP );\n\n\t\tlet t = startEnd_startP / startEnd2;\n\n\t\tif ( clampToLine ) {\n\n\t\t\tt = clamp( t, 0, 1 );\n\n\t\t}\n\n\t\treturn t;\n\n\t}\n\n\tclosestPointToPoint( point, clampToLine, target ) {\n\n\t\tconst t = this.closestPointToPointParameter( point, clampToLine );\n\n\t\treturn this.delta( target ).multiplyScalar( t ).add( this.start );\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tthis.start.applyMatrix4( matrix );\n\t\tthis.end.applyMatrix4( matrix );\n\n\t\treturn this;\n\n\t}\n\n\tequals( line ) {\n\n\t\treturn line.start.equals( this.start ) && line.end.equals( this.end );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _vector$3 = /*@__PURE__*/ new Vector3();\n\nclass SpotLightHelper extends Object3D {\n\n\tconstructor( light, color ) {\n\n\t\tsuper();\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.color = color;\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tconst positions = [\n\t\t\t0, 0, 0, \t0, 0, 1,\n\t\t\t0, 0, 0, \t1, 0, 1,\n\t\t\t0, 0, 0,\t- 1, 0, 1,\n\t\t\t0, 0, 0, \t0, 1, 1,\n\t\t\t0, 0, 0, \t0, - 1, 1\n\t\t];\n\n\t\tfor ( let i = 0, j = 1, l = 32; i < l; i ++, j ++ ) {\n\n\t\t\tconst p1 = ( i / l ) * Math.PI * 2;\n\t\t\tconst p2 = ( j / l ) * Math.PI * 2;\n\n\t\t\tpositions.push(\n\t\t\t\tMath.cos( p1 ), Math.sin( p1 ), 1,\n\t\t\t\tMath.cos( p2 ), Math.sin( p2 ), 1\n\t\t\t);\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { fog: false, toneMapped: false } );\n\n\t\tthis.cone = new LineSegments( geometry, material );\n\t\tthis.add( this.cone );\n\n\t\tthis.update();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.cone.geometry.dispose();\n\t\tthis.cone.material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tthis.light.updateMatrixWorld();\n\n\t\tconst coneLength = this.light.distance ? this.light.distance : 1000;\n\t\tconst coneWidth = coneLength * Math.tan( this.light.angle );\n\n\t\tthis.cone.scale.set( coneWidth, coneWidth, coneLength );\n\n\t\t_vector$3.setFromMatrixPosition( this.light.target.matrixWorld );\n\n\t\tthis.cone.lookAt( _vector$3 );\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.cone.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.cone.material.color.copy( this.light.color );\n\n\t\t}\n\n\t}\n\n}\n\nconst _vector$2 = /*@__PURE__*/ new Vector3();\nconst _boneMatrix = /*@__PURE__*/ new Matrix4();\nconst _matrixWorldInv = /*@__PURE__*/ new Matrix4();\n\n\nclass SkeletonHelper extends LineSegments {\n\n\tconstructor( object ) {\n\n\t\tconst bones = getBoneList( object );\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\tconst color1 = new Color( 0, 0, 1 );\n\t\tconst color2 = new Color( 0, 1, 0 );\n\n\t\tfor ( let i = 0; i < bones.length; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\n\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\tvertices.push( 0, 0, 0 );\n\t\t\t\tvertices.push( 0, 0, 0 );\n\t\t\t\tcolors.push( color1.r, color1.g, color1.b );\n\t\t\t\tcolors.push( color2.r, color2.g, color2.b );\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, depthTest: false, depthWrite: false, toneMapped: false, transparent: true } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'SkeletonHelper';\n\t\tthis.isSkeletonHelper = true;\n\n\t\tthis.root = object;\n\t\tthis.bones = bones;\n\n\t\tthis.matrix = object.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tconst bones = this.bones;\n\n\t\tconst geometry = this.geometry;\n\t\tconst position = geometry.getAttribute( 'position' );\n\n\t\t_matrixWorldInv.copy( this.root.matrixWorld ).invert();\n\n\t\tfor ( let i = 0, j = 0; i < bones.length; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\n\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\t_boneMatrix.multiplyMatrices( _matrixWorldInv, bone.matrixWorld );\n\t\t\t\t_vector$2.setFromMatrixPosition( _boneMatrix );\n\t\t\t\tposition.setXYZ( j, _vector$2.x, _vector$2.y, _vector$2.z );\n\n\t\t\t\t_boneMatrix.multiplyMatrices( _matrixWorldInv, bone.parent.matrixWorld );\n\t\t\t\t_vector$2.setFromMatrixPosition( _boneMatrix );\n\t\t\t\tposition.setXYZ( j + 1, _vector$2.x, _vector$2.y, _vector$2.z );\n\n\t\t\t\tj += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.getAttribute( 'position' ).needsUpdate = true;\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n}\n\n\nfunction getBoneList( object ) {\n\n\tconst boneList = [];\n\n\tif ( object && object.isBone ) {\n\n\t\tboneList.push( object );\n\n\t}\n\n\tfor ( let i = 0; i < object.children.length; i ++ ) {\n\n\t\tboneList.push.apply( boneList, getBoneList( object.children[ i ] ) );\n\n\t}\n\n\treturn boneList;\n\n}\n\nclass PointLightHelper extends Mesh {\n\n\tconstructor( light, sphereSize, color ) {\n\n\t\tconst geometry = new SphereGeometry( sphereSize, 4, 2 );\n\t\tconst material = new MeshBasicMaterial( { wireframe: true, fog: false, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.color = color;\n\n\t\tthis.type = 'PointLightHelper';\n\n\t\tthis.matrix = this.light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\n\t\t/*\n\t// TODO: delete this comment?\n\tconst distanceGeometry = new THREE.IcosahedronBufferGeometry( 1, 2 );\n\tconst distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } );\n\n\tthis.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial );\n\tthis.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial );\n\n\tconst d = light.distance;\n\n\tif ( d === 0.0 ) {\n\n\t\tthis.lightDistance.visible = false;\n\n\t} else {\n\n\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t}\n\n\tthis.add( this.lightDistance );\n\t*/\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.material.color.copy( this.light.color );\n\n\t\t}\n\n\t\t/*\n\t\tconst d = this.light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.visible = true;\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\t\t*/\n\n\t}\n\n}\n\nconst _vector$1 = /*@__PURE__*/ new Vector3();\nconst _color1 = /*@__PURE__*/ new Color();\nconst _color2 = /*@__PURE__*/ new Color();\n\nclass HemisphereLightHelper extends Object3D {\n\n\tconstructor( light, size, color ) {\n\n\t\tsuper();\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.color = color;\n\n\t\tconst geometry = new OctahedronGeometry( size );\n\t\tgeometry.rotateY( Math.PI * 0.5 );\n\n\t\tthis.material = new MeshBasicMaterial( { wireframe: true, fog: false, toneMapped: false } );\n\t\tif ( this.color === undefined ) this.material.vertexColors = true;\n\n\t\tconst position = geometry.getAttribute( 'position' );\n\t\tconst colors = new Float32Array( position.count * 3 );\n\n\t\tgeometry.setAttribute( 'color', new BufferAttribute( colors, 3 ) );\n\n\t\tthis.add( new Mesh( geometry, this.material ) );\n\n\t\tthis.update();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.children[ 0 ].geometry.dispose();\n\t\tthis.children[ 0 ].material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tconst mesh = this.children[ 0 ];\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tconst colors = mesh.geometry.getAttribute( 'color' );\n\n\t\t\t_color1.copy( this.light.color );\n\t\t\t_color2.copy( this.light.groundColor );\n\n\t\t\tfor ( let i = 0, l = colors.count; i < l; i ++ ) {\n\n\t\t\t\tconst color = ( i < ( l / 2 ) ) ? _color1 : _color2;\n\n\t\t\t\tcolors.setXYZ( i, color.r, color.g, color.b );\n\n\t\t\t}\n\n\t\t\tcolors.needsUpdate = true;\n\n\t\t}\n\n\t\tmesh.lookAt( _vector$1.setFromMatrixPosition( this.light.matrixWorld ).negate() );\n\n\t}\n\n}\n\nclass GridHelper extends LineSegments {\n\n\tconstructor( size = 10, divisions = 10, color1 = 0x444444, color2 = 0x888888 ) {\n\n\t\tcolor1 = new Color( color1 );\n\t\tcolor2 = new Color( color2 );\n\n\t\tconst center = divisions / 2;\n\t\tconst step = size / divisions;\n\t\tconst halfSize = size / 2;\n\n\t\tconst vertices = [], colors = [];\n\n\t\tfor ( let i = 0, j = 0, k = - halfSize; i <= divisions; i ++, k += step ) {\n\n\t\t\tvertices.push( - halfSize, 0, k, halfSize, 0, k );\n\t\t\tvertices.push( k, 0, - halfSize, k, 0, halfSize );\n\n\t\t\tconst color = i === center ? color1 : color2;\n\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\n\t\t}\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'GridHelper';\n\n\t}\n\n}\n\nclass PolarGridHelper extends LineSegments {\n\n\tconstructor( radius = 10, radials = 16, circles = 8, divisions = 64, color1 = 0x444444, color2 = 0x888888 ) {\n\n\t\tcolor1 = new Color( color1 );\n\t\tcolor2 = new Color( color2 );\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\t// create the radials\n\n\t\tfor ( let i = 0; i <= radials; i ++ ) {\n\n\t\t\tconst v = ( i / radials ) * ( Math.PI * 2 );\n\n\t\t\tconst x = Math.sin( v ) * radius;\n\t\t\tconst z = Math.cos( v ) * radius;\n\n\t\t\tvertices.push( 0, 0, 0 );\n\t\t\tvertices.push( x, 0, z );\n\n\t\t\tconst color = ( i & 1 ) ? color1 : color2;\n\n\t\t\tcolors.push( color.r, color.g, color.b );\n\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t}\n\n\t\t// create the circles\n\n\t\tfor ( let i = 0; i <= circles; i ++ ) {\n\n\t\t\tconst color = ( i & 1 ) ? color1 : color2;\n\n\t\t\tconst r = radius - ( radius / circles * i );\n\n\t\t\tfor ( let j = 0; j < divisions; j ++ ) {\n\n\t\t\t\t// first vertex\n\n\t\t\t\tlet v = ( j / divisions ) * ( Math.PI * 2 );\n\n\t\t\t\tlet x = Math.sin( v ) * r;\n\t\t\t\tlet z = Math.cos( v ) * r;\n\n\t\t\t\tvertices.push( x, 0, z );\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\t\t// second vertex\n\n\t\t\t\tv = ( ( j + 1 ) / divisions ) * ( Math.PI * 2 );\n\n\t\t\t\tx = Math.sin( v ) * r;\n\t\t\t\tz = Math.cos( v ) * r;\n\n\t\t\t\tvertices.push( x, 0, z );\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'PolarGridHelper';\n\n\t}\n\n}\n\nconst _v1 = /*@__PURE__*/ new Vector3();\nconst _v2 = /*@__PURE__*/ new Vector3();\nconst _v3 = /*@__PURE__*/ new Vector3();\n\nclass DirectionalLightHelper extends Object3D {\n\n\tconstructor( light, size, color ) {\n\n\t\tsuper();\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.color = color;\n\n\t\tif ( size === undefined ) size = 1;\n\n\t\tlet geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( [\n\t\t\t- size, size, 0,\n\t\t\tsize, size, 0,\n\t\t\tsize, - size, 0,\n\t\t\t- size, - size, 0,\n\t\t\t- size, size, 0\n\t\t], 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { fog: false, toneMapped: false } );\n\n\t\tthis.lightPlane = new Line( geometry, material );\n\t\tthis.add( this.lightPlane );\n\n\t\tgeometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) );\n\n\t\tthis.targetLine = new Line( geometry, material );\n\t\tthis.add( this.targetLine );\n\n\t\tthis.update();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.lightPlane.geometry.dispose();\n\t\tthis.lightPlane.material.dispose();\n\t\tthis.targetLine.geometry.dispose();\n\t\tthis.targetLine.material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\t_v1.setFromMatrixPosition( this.light.matrixWorld );\n\t\t_v2.setFromMatrixPosition( this.light.target.matrixWorld );\n\t\t_v3.subVectors( _v2, _v1 );\n\n\t\tthis.lightPlane.lookAt( _v2 );\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.lightPlane.material.color.set( this.color );\n\t\t\tthis.targetLine.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.lightPlane.material.color.copy( this.light.color );\n\t\t\tthis.targetLine.material.color.copy( this.light.color );\n\n\t\t}\n\n\t\tthis.targetLine.lookAt( _v2 );\n\t\tthis.targetLine.scale.z = _v3.length();\n\n\t}\n\n}\n\nconst _vector = /*@__PURE__*/ new Vector3();\nconst _camera = /*@__PURE__*/ new Camera();\n\n/**\n *\t- shows frustum, line of sight and up of the camera\n *\t- suitable for fast updates\n * \t- based on frustum visualization in lightgl.js shadowmap example\n *\t\thttp://evanw.github.com/lightgl.js/tests/shadowmap.html\n */\n\nclass CameraHelper extends LineSegments {\n\n\tconstructor( camera ) {\n\n\t\tconst geometry = new BufferGeometry();\n\t\tconst material = new LineBasicMaterial( { color: 0xffffff, vertexColors: true, toneMapped: false } );\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\tconst pointMap = {};\n\n\t\t// colors\n\n\t\tconst colorFrustum = new Color( 0xffaa00 );\n\t\tconst colorCone = new Color( 0xff0000 );\n\t\tconst colorUp = new Color( 0x00aaff );\n\t\tconst colorTarget = new Color( 0xffffff );\n\t\tconst colorCross = new Color( 0x333333 );\n\n\t\t// near\n\n\t\taddLine( 'n1', 'n2', colorFrustum );\n\t\taddLine( 'n2', 'n4', colorFrustum );\n\t\taddLine( 'n4', 'n3', colorFrustum );\n\t\taddLine( 'n3', 'n1', colorFrustum );\n\n\t\t// far\n\n\t\taddLine( 'f1', 'f2', colorFrustum );\n\t\taddLine( 'f2', 'f4', colorFrustum );\n\t\taddLine( 'f4', 'f3', colorFrustum );\n\t\taddLine( 'f3', 'f1', colorFrustum );\n\n\t\t// sides\n\n\t\taddLine( 'n1', 'f1', colorFrustum );\n\t\taddLine( 'n2', 'f2', colorFrustum );\n\t\taddLine( 'n3', 'f3', colorFrustum );\n\t\taddLine( 'n4', 'f4', colorFrustum );\n\n\t\t// cone\n\n\t\taddLine( 'p', 'n1', colorCone );\n\t\taddLine( 'p', 'n2', colorCone );\n\t\taddLine( 'p', 'n3', colorCone );\n\t\taddLine( 'p', 'n4', colorCone );\n\n\t\t// up\n\n\t\taddLine( 'u1', 'u2', colorUp );\n\t\taddLine( 'u2', 'u3', colorUp );\n\t\taddLine( 'u3', 'u1', colorUp );\n\n\t\t// target\n\n\t\taddLine( 'c', 't', colorTarget );\n\t\taddLine( 'p', 'c', colorCross );\n\n\t\t// cross\n\n\t\taddLine( 'cn1', 'cn2', colorCross );\n\t\taddLine( 'cn3', 'cn4', colorCross );\n\n\t\taddLine( 'cf1', 'cf2', colorCross );\n\t\taddLine( 'cf3', 'cf4', colorCross );\n\n\t\tfunction addLine( a, b, color ) {\n\n\t\t\taddPoint( a, color );\n\t\t\taddPoint( b, color );\n\n\t\t}\n\n\t\tfunction addPoint( id, color ) {\n\n\t\t\tvertices.push( 0, 0, 0 );\n\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\tif ( pointMap[ id ] === undefined ) {\n\n\t\t\t\tpointMap[ id ] = [];\n\n\t\t\t}\n\n\t\t\tpointMap[ id ].push( ( vertices.length / 3 ) - 1 );\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'CameraHelper';\n\n\t\tthis.camera = camera;\n\t\tif ( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix();\n\n\t\tthis.matrix = camera.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.pointMap = pointMap;\n\n\t\tthis.update();\n\n\t}\n\n\tupdate() {\n\n\t\tconst geometry = this.geometry;\n\t\tconst pointMap = this.pointMap;\n\n\t\tconst w = 1, h = 1;\n\n\t\t// we need just camera projection matrix inverse\n\t\t// world matrix must be identity\n\n\t\t_camera.projectionMatrixInverse.copy( this.camera.projectionMatrixInverse );\n\n\t\t// center / target\n\n\t\tsetPoint( 'c', pointMap, geometry, _camera, 0, 0, - 1 );\n\t\tsetPoint( 't', pointMap, geometry, _camera, 0, 0, 1 );\n\n\t\t// near\n\n\t\tsetPoint( 'n1', pointMap, geometry, _camera, - w, - h, - 1 );\n\t\tsetPoint( 'n2', pointMap, geometry, _camera, w, - h, - 1 );\n\t\tsetPoint( 'n3', pointMap, geometry, _camera, - w, h, - 1 );\n\t\tsetPoint( 'n4', pointMap, geometry, _camera, w, h, - 1 );\n\n\t\t// far\n\n\t\tsetPoint( 'f1', pointMap, geometry, _camera, - w, - h, 1 );\n\t\tsetPoint( 'f2', pointMap, geometry, _camera, w, - h, 1 );\n\t\tsetPoint( 'f3', pointMap, geometry, _camera, - w, h, 1 );\n\t\tsetPoint( 'f4', pointMap, geometry, _camera, w, h, 1 );\n\n\t\t// up\n\n\t\tsetPoint( 'u1', pointMap, geometry, _camera, w * 0.7, h * 1.1, - 1 );\n\t\tsetPoint( 'u2', pointMap, geometry, _camera, - w * 0.7, h * 1.1, - 1 );\n\t\tsetPoint( 'u3', pointMap, geometry, _camera, 0, h * 2, - 1 );\n\n\t\t// cross\n\n\t\tsetPoint( 'cf1', pointMap, geometry, _camera, - w, 0, 1 );\n\t\tsetPoint( 'cf2', pointMap, geometry, _camera, w, 0, 1 );\n\t\tsetPoint( 'cf3', pointMap, geometry, _camera, 0, - h, 1 );\n\t\tsetPoint( 'cf4', pointMap, geometry, _camera, 0, h, 1 );\n\n\t\tsetPoint( 'cn1', pointMap, geometry, _camera, - w, 0, - 1 );\n\t\tsetPoint( 'cn2', pointMap, geometry, _camera, w, 0, - 1 );\n\t\tsetPoint( 'cn3', pointMap, geometry, _camera, 0, - h, - 1 );\n\t\tsetPoint( 'cn4', pointMap, geometry, _camera, 0, h, - 1 );\n\n\t\tgeometry.getAttribute( 'position' ).needsUpdate = true;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\n\nfunction setPoint( point, pointMap, geometry, camera, x, y, z ) {\n\n\t_vector.set( x, y, z ).unproject( camera );\n\n\tconst points = pointMap[ point ];\n\n\tif ( points !== undefined ) {\n\n\t\tconst position = geometry.getAttribute( 'position' );\n\n\t\tfor ( let i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\tposition.setXYZ( points[ i ], _vector.x, _vector.y, _vector.z );\n\n\t\t}\n\n\t}\n\n}\n\nconst _box = /*@__PURE__*/ new Box3();\n\nclass BoxHelper extends LineSegments {\n\n\tconstructor( object, color = 0xffff00 ) {\n\n\t\tconst indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\t\tconst positions = new Float32Array( 8 * 3 );\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tgeometry.setAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.object = object;\n\t\tthis.type = 'BoxHelper';\n\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\tupdate( object ) {\n\n\t\tif ( object !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.BoxHelper: .update() has no longer arguments.' );\n\n\t\t}\n\n\t\tif ( this.object !== undefined ) {\n\n\t\t\t_box.setFromObject( this.object );\n\n\t\t}\n\n\t\tif ( _box.isEmpty() ) return;\n\n\t\tconst min = _box.min;\n\t\tconst max = _box.max;\n\n\t\t/*\n\t\t\t5____4\n\t\t1/___0/|\n\t\t| 6__|_7\n\t\t2/___3/\n\n\t\t0: max.x, max.y, max.z\n\t\t1: min.x, max.y, max.z\n\t\t2: min.x, min.y, max.z\n\t\t3: max.x, min.y, max.z\n\t\t4: max.x, max.y, min.z\n\t\t5: min.x, max.y, min.z\n\t\t6: min.x, min.y, min.z\n\t\t7: max.x, min.y, min.z\n\t\t*/\n\n\t\tconst position = this.geometry.attributes.position;\n\t\tconst array = position.array;\n\n\t\tarray[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z;\n\t\tarray[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z;\n\t\tarray[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z;\n\t\tarray[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z;\n\t\tarray[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z;\n\t\tarray[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z;\n\t\tarray[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z;\n\t\tarray[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z;\n\n\t\tposition.needsUpdate = true;\n\n\t\tthis.geometry.computeBoundingSphere();\n\n\n\t}\n\n\tsetFromObject( object ) {\n\n\t\tthis.object = object;\n\t\tthis.update();\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tLineSegments.prototype.copy.call( this, source );\n\n\t\tthis.object = source.object;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass Box3Helper extends LineSegments {\n\n\tconstructor( box, color = 0xffff00 ) {\n\n\t\tconst indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\n\t\tconst positions = [ 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, - 1, 1, 1, 1, - 1, - 1, 1, - 1, - 1, - 1, - 1, 1, - 1, - 1 ];\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.box = box;\n\n\t\tthis.type = 'Box3Helper';\n\n\t\tthis.geometry.computeBoundingSphere();\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tconst box = this.box;\n\n\t\tif ( box.isEmpty() ) return;\n\n\t\tbox.getCenter( this.position );\n\n\t\tbox.getSize( this.scale );\n\n\t\tthis.scale.multiplyScalar( 0.5 );\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n}\n\nclass PlaneHelper extends Line {\n\n\tconstructor( plane, size = 1, hex = 0xffff00 ) {\n\n\t\tconst color = hex;\n\n\t\tconst positions = [ 1, - 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, - 1, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0 ];\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\t\tgeometry.computeBoundingSphere();\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.type = 'PlaneHelper';\n\n\t\tthis.plane = plane;\n\n\t\tthis.size = size;\n\n\t\tconst positions2 = [ 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, 1, 1, - 1, - 1, 1, 1, - 1, 1 ];\n\n\t\tconst geometry2 = new BufferGeometry();\n\t\tgeometry2.setAttribute( 'position', new Float32BufferAttribute( positions2, 3 ) );\n\t\tgeometry2.computeBoundingSphere();\n\n\t\tthis.add( new Mesh( geometry2, new MeshBasicMaterial( { color: color, opacity: 0.2, transparent: true, depthWrite: false, toneMapped: false } ) ) );\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tlet scale = - this.plane.constant;\n\n\t\tif ( Math.abs( scale ) < 1e-8 ) scale = 1e-8; // sign does not matter\n\n\t\tthis.scale.set( 0.5 * this.size, 0.5 * this.size, scale );\n\n\t\tthis.children[ 0 ].material.side = ( scale < 0 ) ? BackSide : FrontSide; // renderer flips side when determinant < 0; flipping not wanted here\n\n\t\tthis.lookAt( this.plane.normal );\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n}\n\nconst _axis = /*@__PURE__*/ new Vector3();\nlet _lineGeometry, _coneGeometry;\n\nclass ArrowHelper extends Object3D {\n\n\t// dir is assumed to be normalized\n\n\tconstructor( dir = new Vector3( 0, 0, 1 ), origin = new Vector3( 0, 0, 0 ), length = 1, color = 0xffff00, headLength = length * 0.2, headWidth = headLength * 0.2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ArrowHelper';\n\n\t\tif ( _lineGeometry === undefined ) {\n\n\t\t\t_lineGeometry = new BufferGeometry();\n\t\t\t_lineGeometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) );\n\n\t\t\t_coneGeometry = new CylinderGeometry( 0, 0.5, 1, 5, 1 );\n\t\t\t_coneGeometry.translate( 0, - 0.5, 0 );\n\n\t\t}\n\n\t\tthis.position.copy( origin );\n\n\t\tthis.line = new Line( _lineGeometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\t\tthis.line.matrixAutoUpdate = false;\n\t\tthis.add( this.line );\n\n\t\tthis.cone = new Mesh( _coneGeometry, new MeshBasicMaterial( { color: color, toneMapped: false } ) );\n\t\tthis.cone.matrixAutoUpdate = false;\n\t\tthis.add( this.cone );\n\n\t\tthis.setDirection( dir );\n\t\tthis.setLength( length, headLength, headWidth );\n\n\t}\n\n\tsetDirection( dir ) {\n\n\t\t// dir is assumed to be normalized\n\n\t\tif ( dir.y > 0.99999 ) {\n\n\t\t\tthis.quaternion.set( 0, 0, 0, 1 );\n\n\t\t} else if ( dir.y < - 0.99999 ) {\n\n\t\t\tthis.quaternion.set( 1, 0, 0, 0 );\n\n\t\t} else {\n\n\t\t\t_axis.set( dir.z, 0, - dir.x ).normalize();\n\n\t\t\tconst radians = Math.acos( dir.y );\n\n\t\t\tthis.quaternion.setFromAxisAngle( _axis, radians );\n\n\t\t}\n\n\t}\n\n\tsetLength( length, headLength = length * 0.2, headWidth = headLength * 0.2 ) {\n\n\t\tthis.line.scale.set( 1, Math.max( 0.0001, length - headLength ), 1 ); // see #17458\n\t\tthis.line.updateMatrix();\n\n\t\tthis.cone.scale.set( headWidth, headLength, headWidth );\n\t\tthis.cone.position.y = length;\n\t\tthis.cone.updateMatrix();\n\n\t}\n\n\tsetColor( color ) {\n\n\t\tthis.line.material.color.set( color );\n\t\tthis.cone.material.color.set( color );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source, false );\n\n\t\tthis.line.copy( source.line );\n\t\tthis.cone.copy( source.cone );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass AxesHelper extends LineSegments {\n\n\tconstructor( size = 1 ) {\n\n\t\tconst vertices = [\n\t\t\t0, 0, 0,\tsize, 0, 0,\n\t\t\t0, 0, 0,\t0, size, 0,\n\t\t\t0, 0, 0,\t0, 0, size\n\t\t];\n\n\t\tconst colors = [\n\t\t\t1, 0, 0,\t1, 0.6, 0,\n\t\t\t0, 1, 0,\t0.6, 1, 0,\n\t\t\t0, 0, 1,\t0, 0.6, 1\n\t\t];\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'AxesHelper';\n\n\t}\n\n\tsetColors( xAxisColor, yAxisColor, zAxisColor ) {\n\n\t\tconst color = new Color();\n\t\tconst array = this.geometry.attributes.color.array;\n\n\t\tcolor.set( xAxisColor );\n\t\tcolor.toArray( array, 0 );\n\t\tcolor.toArray( array, 3 );\n\n\t\tcolor.set( yAxisColor );\n\t\tcolor.toArray( array, 6 );\n\t\tcolor.toArray( array, 9 );\n\n\t\tcolor.set( zAxisColor );\n\t\tcolor.toArray( array, 12 );\n\t\tcolor.toArray( array, 15 );\n\n\t\tthis.geometry.attributes.color.needsUpdate = true;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\nclass ShapePath {\n\n\tconstructor() {\n\n\t\tthis.type = 'ShapePath';\n\n\t\tthis.color = new Color();\n\n\t\tthis.subPaths = [];\n\t\tthis.currentPath = null;\n\n\t}\n\n\tmoveTo( x, y ) {\n\n\t\tthis.currentPath = new Path();\n\t\tthis.subPaths.push( this.currentPath );\n\t\tthis.currentPath.moveTo( x, y );\n\n\t\treturn this;\n\n\t}\n\n\tlineTo( x, y ) {\n\n\t\tthis.currentPath.lineTo( x, y );\n\n\t\treturn this;\n\n\t}\n\n\tquadraticCurveTo( aCPx, aCPy, aX, aY ) {\n\n\t\tthis.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tbezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\tthis.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tsplineThru( pts ) {\n\n\t\tthis.currentPath.splineThru( pts );\n\n\t\treturn this;\n\n\t}\n\n\ttoShapes( isCCW, noHoles ) {\n\n\t\tfunction toShapesNoHoles( inSubpaths ) {\n\n\t\t\tconst shapes = [];\n\n\t\t\tfor ( let i = 0, l = inSubpaths.length; i < l; i ++ ) {\n\n\t\t\t\tconst tmpPath = inSubpaths[ i ];\n\n\t\t\t\tconst tmpShape = new Shape();\n\t\t\t\ttmpShape.curves = tmpPath.curves;\n\n\t\t\t\tshapes.push( tmpShape );\n\n\t\t\t}\n\n\t\t\treturn shapes;\n\n\t\t}\n\n\t\tfunction isPointInsidePolygon( inPt, inPolygon ) {\n\n\t\t\tconst polyLen = inPolygon.length;\n\n\t\t\t// inPt on polygon contour => immediate success or\n\t\t\t// toggling of inside/outside at every single! intersection point of an edge\n\t\t\t// with the horizontal line through inPt, left of inPt\n\t\t\t// not counting lowerY endpoints of edges and whole edges on that line\n\t\t\tlet inside = false;\n\t\t\tfor ( let p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) {\n\n\t\t\t\tlet edgeLowPt = inPolygon[ p ];\n\t\t\t\tlet edgeHighPt = inPolygon[ q ];\n\n\t\t\t\tlet edgeDx = edgeHighPt.x - edgeLowPt.x;\n\t\t\t\tlet edgeDy = edgeHighPt.y - edgeLowPt.y;\n\n\t\t\t\tif ( Math.abs( edgeDy ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not parallel\n\t\t\t\t\tif ( edgeDy < 0 ) {\n\n\t\t\t\t\t\tedgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx;\n\t\t\t\t\t\tedgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) \t\tcontinue;\n\n\t\t\t\t\tif ( inPt.y === edgeLowPt.y ) {\n\n\t\t\t\t\t\tif ( inPt.x === edgeLowPt.x )\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t// continue;\t\t\t\t// no intersection or edgeLowPt => doesn't count !!!\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y );\n\t\t\t\t\t\tif ( perpEdge === 0 )\t\t\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\tif ( perpEdge < 0 ) \t\t\t\tcontinue;\n\t\t\t\t\t\tinside = ! inside;\t\t// true intersection left of inPt\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// parallel or collinear\n\t\t\t\t\tif ( inPt.y !== edgeLowPt.y ) \t\tcontinue;\t\t\t// parallel\n\t\t\t\t\t// edge lies on the same horizontal line as inPt\n\t\t\t\t\tif ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) ||\n\t\t\t\t\t\t ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) )\t\treturn\ttrue;\t// inPt: Point on contour !\n\t\t\t\t\t// continue;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn\tinside;\n\n\t\t}\n\n\t\tconst isClockWise = ShapeUtils.isClockWise;\n\n\t\tconst subPaths = this.subPaths;\n\t\tif ( subPaths.length === 0 ) return [];\n\n\t\tif ( noHoles === true )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\tlet solid, tmpPath, tmpShape;\n\t\tconst shapes = [];\n\n\t\tif ( subPaths.length === 1 ) {\n\n\t\t\ttmpPath = subPaths[ 0 ];\n\t\t\ttmpShape = new Shape();\n\t\t\ttmpShape.curves = tmpPath.curves;\n\t\t\tshapes.push( tmpShape );\n\t\t\treturn shapes;\n\n\t\t}\n\n\t\tlet holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() );\n\t\tholesFirst = isCCW ? ! holesFirst : holesFirst;\n\n\t\t// console.log(\"Holes first\", holesFirst);\n\n\t\tconst betterShapeHoles = [];\n\t\tconst newShapes = [];\n\t\tlet newShapeHoles = [];\n\t\tlet mainIdx = 0;\n\t\tlet tmpPoints;\n\n\t\tnewShapes[ mainIdx ] = undefined;\n\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\tfor ( let i = 0, l = subPaths.length; i < l; i ++ ) {\n\n\t\t\ttmpPath = subPaths[ i ];\n\t\t\ttmpPoints = tmpPath.getPoints();\n\t\t\tsolid = isClockWise( tmpPoints );\n\t\t\tsolid = isCCW ? ! solid : solid;\n\n\t\t\tif ( solid ) {\n\n\t\t\t\tif ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) )\tmainIdx ++;\n\n\t\t\t\tnewShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints };\n\t\t\t\tnewShapes[ mainIdx ].s.curves = tmpPath.curves;\n\n\t\t\t\tif ( holesFirst )\tmainIdx ++;\n\t\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\t\t//console.log('cw', i);\n\n\t\t\t} else {\n\n\t\t\t\tnewShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } );\n\n\t\t\t\t//console.log('ccw', i);\n\n\t\t\t}\n\n\t\t}\n\n\t\t// only Holes? -> probably all Shapes with wrong orientation\n\t\tif ( ! newShapes[ 0 ] )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\tif ( newShapes.length > 1 ) {\n\n\t\t\tlet ambiguous = false;\n\t\t\tconst toChange = [];\n\n\t\t\tfor ( let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\tbetterShapeHoles[ sIdx ] = [];\n\n\t\t\t}\n\n\t\t\tfor ( let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\tconst sho = newShapeHoles[ sIdx ];\n\n\t\t\t\tfor ( let hIdx = 0; hIdx < sho.length; hIdx ++ ) {\n\n\t\t\t\t\tconst ho = sho[ hIdx ];\n\t\t\t\t\tlet hole_unassigned = true;\n\n\t\t\t\t\tfor ( let s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) {\n\n\t\t\t\t\t\tif ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) {\n\n\t\t\t\t\t\t\tif ( sIdx !== s2Idx )\ttoChange.push( { froms: sIdx, tos: s2Idx, hole: hIdx } );\n\t\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\t\thole_unassigned = false;\n\t\t\t\t\t\t\t\tbetterShapeHoles[ s2Idx ].push( ho );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tambiguous = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\tbetterShapeHoles[ sIdx ].push( ho );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t\t// console.log(\"ambiguous: \", ambiguous);\n\n\t\t\tif ( toChange.length > 0 ) {\n\n\t\t\t\t// console.log(\"to change: \", toChange);\n\t\t\t\tif ( ! ambiguous )\tnewShapeHoles = betterShapeHoles;\n\n\t\t\t}\n\n\t\t}\n\n\t\tlet tmpHoles;\n\n\t\tfor ( let i = 0, il = newShapes.length; i < il; i ++ ) {\n\n\t\t\ttmpShape = newShapes[ i ].s;\n\t\t\tshapes.push( tmpShape );\n\t\t\ttmpHoles = newShapeHoles[ i ];\n\n\t\t\tfor ( let j = 0, jl = tmpHoles.length; j < jl; j ++ ) {\n\n\t\t\t\ttmpShape.holes.push( tmpHoles[ j ].h );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//console.log(\"shape\", shapes);\n\n\t\treturn shapes;\n\n\t}\n\n}\n\nconst _floatView = new Float32Array( 1 );\nconst _int32View = new Int32Array( _floatView.buffer );\n\nclass DataUtils {\n\n\t// Converts float32 to float16 (stored as uint16 value).\n\n\tstatic toHalfFloat( val ) {\n\n\t\tif ( val > 65504 ) {\n\n\t\t\tconsole.warn( 'THREE.DataUtils.toHalfFloat(): value exceeds 65504.' );\n\n\t\t\tval = 65504; // maximum representable value in float16\n\n\t\t}\n\n\t\t// Source: http://gamedev.stackexchange.com/questions/17326/conversion-of-a-number-from-single-precision-floating-point-representation-to-a/17410#17410\n\n\t\t/* This method is faster than the OpenEXR implementation (very often\n\t\t* used, eg. in Ogre), with the additional benefit of rounding, inspired\n\t\t* by James Tursa?s half-precision code. */\n\n\t\t_floatView[ 0 ] = val;\n\t\tconst x = _int32View[ 0 ];\n\n\t\tlet bits = ( x >> 16 ) & 0x8000; /* Get the sign */\n\t\tlet m = ( x >> 12 ) & 0x07ff; /* Keep one extra bit for rounding */\n\t\tconst e = ( x >> 23 ) & 0xff; /* Using int is faster here */\n\n\t\t/* If zero, or denormal, or exponent underflows too much for a denormal\n\t\t\t* half, return signed zero. */\n\t\tif ( e < 103 ) return bits;\n\n\t\t/* If NaN, return NaN. If Inf or exponent overflow, return Inf. */\n\t\tif ( e > 142 ) {\n\n\t\t\tbits |= 0x7c00;\n\t\t\t/* If exponent was 0xff and one mantissa bit was set, it means NaN,\n\t\t\t\t\t\t* not Inf, so make sure we set one mantissa bit too. */\n\t\t\tbits |= ( ( e == 255 ) ? 0 : 1 ) && ( x & 0x007fffff );\n\t\t\treturn bits;\n\n\t\t}\n\n\t\t/* If exponent underflows but not too much, return a denormal */\n\t\tif ( e < 113 ) {\n\n\t\t\tm |= 0x0800;\n\t\t\t/* Extra rounding may overflow and set mantissa to 0 and exponent\n\t\t\t\t* to 1, which is OK. */\n\t\t\tbits |= ( m >> ( 114 - e ) ) + ( ( m >> ( 113 - e ) ) & 1 );\n\t\t\treturn bits;\n\n\t\t}\n\n\t\tbits |= ( ( e - 112 ) << 10 ) | ( m >> 1 );\n\t\t/* Extra rounding. An overflow will set mantissa to 0 and increment\n\t\t\t* the exponent, which is OK. */\n\t\tbits += m & 1;\n\t\treturn bits;\n\n\t}\n\n}\n\nconst LineStrip = 0;\nconst LinePieces = 1;\nconst NoColors = 0;\nconst FaceColors = 1;\nconst VertexColors = 2;\n\nfunction MeshFaceMaterial( materials ) {\n\n\tconsole.warn( 'THREE.MeshFaceMaterial has been removed. Use an Array instead.' );\n\treturn materials;\n\n}\n\nfunction MultiMaterial( materials = [] ) {\n\n\tconsole.warn( 'THREE.MultiMaterial has been removed. Use an Array instead.' );\n\tmaterials.isMultiMaterial = true;\n\tmaterials.materials = materials;\n\tmaterials.clone = function () {\n\n\t\treturn materials.slice();\n\n\t};\n\n\treturn materials;\n\n}\n\nfunction PointCloud( geometry, material ) {\n\n\tconsole.warn( 'THREE.PointCloud has been renamed to THREE.Points.' );\n\treturn new Points( geometry, material );\n\n}\n\nfunction Particle( material ) {\n\n\tconsole.warn( 'THREE.Particle has been renamed to THREE.Sprite.' );\n\treturn new Sprite( material );\n\n}\n\nfunction ParticleSystem( geometry, material ) {\n\n\tconsole.warn( 'THREE.ParticleSystem has been renamed to THREE.Points.' );\n\treturn new Points( geometry, material );\n\n}\n\nfunction PointCloudMaterial( parameters ) {\n\n\tconsole.warn( 'THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial.' );\n\treturn new PointsMaterial( parameters );\n\n}\n\nfunction ParticleBasicMaterial( parameters ) {\n\n\tconsole.warn( 'THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial.' );\n\treturn new PointsMaterial( parameters );\n\n}\n\nfunction ParticleSystemMaterial( parameters ) {\n\n\tconsole.warn( 'THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial.' );\n\treturn new PointsMaterial( parameters );\n\n}\n\nfunction Vertex( x, y, z ) {\n\n\tconsole.warn( 'THREE.Vertex has been removed. Use THREE.Vector3 instead.' );\n\treturn new Vector3( x, y, z );\n\n}\n\n//\n\nfunction DynamicBufferAttribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setUsage( THREE.DynamicDrawUsage ) instead.' );\n\treturn new BufferAttribute( array, itemSize ).setUsage( DynamicDrawUsage );\n\n}\n\nfunction Int8Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Int8Attribute has been removed. Use new THREE.Int8BufferAttribute() instead.' );\n\treturn new Int8BufferAttribute( array, itemSize );\n\n}\n\nfunction Uint8Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Uint8Attribute has been removed. Use new THREE.Uint8BufferAttribute() instead.' );\n\treturn new Uint8BufferAttribute( array, itemSize );\n\n}\n\nfunction Uint8ClampedAttribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Uint8ClampedAttribute has been removed. Use new THREE.Uint8ClampedBufferAttribute() instead.' );\n\treturn new Uint8ClampedBufferAttribute( array, itemSize );\n\n}\n\nfunction Int16Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Int16Attribute has been removed. Use new THREE.Int16BufferAttribute() instead.' );\n\treturn new Int16BufferAttribute( array, itemSize );\n\n}\n\nfunction Uint16Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Uint16Attribute has been removed. Use new THREE.Uint16BufferAttribute() instead.' );\n\treturn new Uint16BufferAttribute( array, itemSize );\n\n}\n\nfunction Int32Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Int32Attribute has been removed. Use new THREE.Int32BufferAttribute() instead.' );\n\treturn new Int32BufferAttribute( array, itemSize );\n\n}\n\nfunction Uint32Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Uint32Attribute has been removed. Use new THREE.Uint32BufferAttribute() instead.' );\n\treturn new Uint32BufferAttribute( array, itemSize );\n\n}\n\nfunction Float32Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Float32Attribute has been removed. Use new THREE.Float32BufferAttribute() instead.' );\n\treturn new Float32BufferAttribute( array, itemSize );\n\n}\n\nfunction Float64Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Float64Attribute has been removed. Use new THREE.Float64BufferAttribute() instead.' );\n\treturn new Float64BufferAttribute( array, itemSize );\n\n}\n\n//\n\nCurve.create = function ( construct, getPoint ) {\n\n\tconsole.log( 'THREE.Curve.create() has been deprecated' );\n\n\tconstruct.prototype = Object.create( Curve.prototype );\n\tconstruct.prototype.constructor = construct;\n\tconstruct.prototype.getPoint = getPoint;\n\n\treturn construct;\n\n};\n\n//\n\nPath.prototype.fromPoints = function ( points ) {\n\n\tconsole.warn( 'THREE.Path: .fromPoints() has been renamed to .setFromPoints().' );\n\treturn this.setFromPoints( points );\n\n};\n\n//\n\nfunction AxisHelper( size ) {\n\n\tconsole.warn( 'THREE.AxisHelper has been renamed to THREE.AxesHelper.' );\n\treturn new AxesHelper( size );\n\n}\n\nfunction BoundingBoxHelper( object, color ) {\n\n\tconsole.warn( 'THREE.BoundingBoxHelper has been deprecated. Creating a THREE.BoxHelper instead.' );\n\treturn new BoxHelper( object, color );\n\n}\n\nfunction EdgesHelper( object, hex ) {\n\n\tconsole.warn( 'THREE.EdgesHelper has been removed. Use THREE.EdgesGeometry instead.' );\n\treturn new LineSegments( new EdgesGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\n}\n\nGridHelper.prototype.setColors = function () {\n\n\tconsole.error( 'THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.' );\n\n};\n\nSkeletonHelper.prototype.update = function () {\n\n\tconsole.error( 'THREE.SkeletonHelper: update() no longer needs to be called.' );\n\n};\n\nfunction WireframeHelper( object, hex ) {\n\n\tconsole.warn( 'THREE.WireframeHelper has been removed. Use THREE.WireframeGeometry instead.' );\n\treturn new LineSegments( new WireframeGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\n}\n\n//\n\nLoader.prototype.extractUrlBase = function ( url ) {\n\n\tconsole.warn( 'THREE.Loader: .extractUrlBase() has been deprecated. Use THREE.LoaderUtils.extractUrlBase() instead.' );\n\treturn LoaderUtils.extractUrlBase( url );\n\n};\n\nLoader.Handlers = {\n\n\tadd: function ( /* regex, loader */ ) {\n\n\t\tconsole.error( 'THREE.Loader: Handlers.add() has been removed. Use LoadingManager.addHandler() instead.' );\n\n\t},\n\n\tget: function ( /* file */ ) {\n\n\t\tconsole.error( 'THREE.Loader: Handlers.get() has been removed. Use LoadingManager.getHandler() instead.' );\n\n\t}\n\n};\n\nfunction XHRLoader( manager ) {\n\n\tconsole.warn( 'THREE.XHRLoader has been renamed to THREE.FileLoader.' );\n\treturn new FileLoader( manager );\n\n}\n\nfunction BinaryTextureLoader( manager ) {\n\n\tconsole.warn( 'THREE.BinaryTextureLoader has been renamed to THREE.DataTextureLoader.' );\n\treturn new DataTextureLoader( manager );\n\n}\n\n//\n\nBox2.prototype.center = function ( optionalTarget ) {\n\n\tconsole.warn( 'THREE.Box2: .center() has been renamed to .getCenter().' );\n\treturn this.getCenter( optionalTarget );\n\n};\n\nBox2.prototype.empty = function () {\n\n\tconsole.warn( 'THREE.Box2: .empty() has been renamed to .isEmpty().' );\n\treturn this.isEmpty();\n\n};\n\nBox2.prototype.isIntersectionBox = function ( box ) {\n\n\tconsole.warn( 'THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\treturn this.intersectsBox( box );\n\n};\n\nBox2.prototype.size = function ( optionalTarget ) {\n\n\tconsole.warn( 'THREE.Box2: .size() has been renamed to .getSize().' );\n\treturn this.getSize( optionalTarget );\n\n};\n\n//\n\nBox3.prototype.center = function ( optionalTarget ) {\n\n\tconsole.warn( 'THREE.Box3: .center() has been renamed to .getCenter().' );\n\treturn this.getCenter( optionalTarget );\n\n};\n\nBox3.prototype.empty = function () {\n\n\tconsole.warn( 'THREE.Box3: .empty() has been renamed to .isEmpty().' );\n\treturn this.isEmpty();\n\n};\n\nBox3.prototype.isIntersectionBox = function ( box ) {\n\n\tconsole.warn( 'THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\treturn this.intersectsBox( box );\n\n};\n\nBox3.prototype.isIntersectionSphere = function ( sphere ) {\n\n\tconsole.warn( 'THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\treturn this.intersectsSphere( sphere );\n\n};\n\nBox3.prototype.size = function ( optionalTarget ) {\n\n\tconsole.warn( 'THREE.Box3: .size() has been renamed to .getSize().' );\n\treturn this.getSize( optionalTarget );\n\n};\n\n//\n\nSphere.prototype.empty = function () {\n\n\tconsole.warn( 'THREE.Sphere: .empty() has been renamed to .isEmpty().' );\n\treturn this.isEmpty();\n\n};\n\n//\n\nFrustum.prototype.setFromMatrix = function ( m ) {\n\n\tconsole.warn( 'THREE.Frustum: .setFromMatrix() has been renamed to .setFromProjectionMatrix().' );\n\treturn this.setFromProjectionMatrix( m );\n\n};\n\n//\n\nLine3.prototype.center = function ( optionalTarget ) {\n\n\tconsole.warn( 'THREE.Line3: .center() has been renamed to .getCenter().' );\n\treturn this.getCenter( optionalTarget );\n\n};\n\n//\n\nMatrix3.prototype.flattenToArrayOffset = function ( array, offset ) {\n\n\tconsole.warn( 'THREE.Matrix3: .flattenToArrayOffset() has been deprecated. Use .toArray() instead.' );\n\treturn this.toArray( array, offset );\n\n};\n\nMatrix3.prototype.multiplyVector3 = function ( vector ) {\n\n\tconsole.warn( 'THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead.' );\n\treturn vector.applyMatrix3( this );\n\n};\n\nMatrix3.prototype.multiplyVector3Array = function ( /* a */ ) {\n\n\tconsole.error( 'THREE.Matrix3: .multiplyVector3Array() has been removed.' );\n\n};\n\nMatrix3.prototype.applyToBufferAttribute = function ( attribute ) {\n\n\tconsole.warn( 'THREE.Matrix3: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix3( matrix ) instead.' );\n\treturn attribute.applyMatrix3( this );\n\n};\n\nMatrix3.prototype.applyToVector3Array = function ( /* array, offset, length */ ) {\n\n\tconsole.error( 'THREE.Matrix3: .applyToVector3Array() has been removed.' );\n\n};\n\nMatrix3.prototype.getInverse = function ( matrix ) {\n\n\tconsole.warn( 'THREE.Matrix3: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead.' );\n\treturn this.copy( matrix ).invert();\n\n};\n\n//\n\nMatrix4.prototype.extractPosition = function ( m ) {\n\n\tconsole.warn( 'THREE.Matrix4: .extractPosition() has been renamed to .copyPosition().' );\n\treturn this.copyPosition( m );\n\n};\n\nMatrix4.prototype.flattenToArrayOffset = function ( array, offset ) {\n\n\tconsole.warn( 'THREE.Matrix4: .flattenToArrayOffset() has been deprecated. Use .toArray() instead.' );\n\treturn this.toArray( array, offset );\n\n};\n\nMatrix4.prototype.getPosition = function () {\n\n\tconsole.warn( 'THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead.' );\n\treturn new Vector3().setFromMatrixColumn( this, 3 );\n\n};\n\nMatrix4.prototype.setRotationFromQuaternion = function ( q ) {\n\n\tconsole.warn( 'THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion().' );\n\treturn this.makeRotationFromQuaternion( q );\n\n};\n\nMatrix4.prototype.multiplyToArray = function () {\n\n\tconsole.warn( 'THREE.Matrix4: .multiplyToArray() has been removed.' );\n\n};\n\nMatrix4.prototype.multiplyVector3 = function ( vector ) {\n\n\tconsole.warn( 'THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\treturn vector.applyMatrix4( this );\n\n};\n\nMatrix4.prototype.multiplyVector4 = function ( vector ) {\n\n\tconsole.warn( 'THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\treturn vector.applyMatrix4( this );\n\n};\n\nMatrix4.prototype.multiplyVector3Array = function ( /* a */ ) {\n\n\tconsole.error( 'THREE.Matrix4: .multiplyVector3Array() has been removed.' );\n\n};\n\nMatrix4.prototype.rotateAxis = function ( v ) {\n\n\tconsole.warn( 'THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead.' );\n\tv.transformDirection( this );\n\n};\n\nMatrix4.prototype.crossVector = function ( vector ) {\n\n\tconsole.warn( 'THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\treturn vector.applyMatrix4( this );\n\n};\n\nMatrix4.prototype.translate = function () {\n\n\tconsole.error( 'THREE.Matrix4: .translate() has been removed.' );\n\n};\n\nMatrix4.prototype.rotateX = function () {\n\n\tconsole.error( 'THREE.Matrix4: .rotateX() has been removed.' );\n\n};\n\nMatrix4.prototype.rotateY = function () {\n\n\tconsole.error( 'THREE.Matrix4: .rotateY() has been removed.' );\n\n};\n\nMatrix4.prototype.rotateZ = function () {\n\n\tconsole.error( 'THREE.Matrix4: .rotateZ() has been removed.' );\n\n};\n\nMatrix4.prototype.rotateByAxis = function () {\n\n\tconsole.error( 'THREE.Matrix4: .rotateByAxis() has been removed.' );\n\n};\n\nMatrix4.prototype.applyToBufferAttribute = function ( attribute ) {\n\n\tconsole.warn( 'THREE.Matrix4: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix4( matrix ) instead.' );\n\treturn attribute.applyMatrix4( this );\n\n};\n\nMatrix4.prototype.applyToVector3Array = function ( /* array, offset, length */ ) {\n\n\tconsole.error( 'THREE.Matrix4: .applyToVector3Array() has been removed.' );\n\n};\n\nMatrix4.prototype.makeFrustum = function ( left, right, bottom, top, near, far ) {\n\n\tconsole.warn( 'THREE.Matrix4: .makeFrustum() has been removed. Use .makePerspective( left, right, top, bottom, near, far ) instead.' );\n\treturn this.makePerspective( left, right, top, bottom, near, far );\n\n};\n\nMatrix4.prototype.getInverse = function ( matrix ) {\n\n\tconsole.warn( 'THREE.Matrix4: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead.' );\n\treturn this.copy( matrix ).invert();\n\n};\n\n//\n\nPlane.prototype.isIntersectionLine = function ( line ) {\n\n\tconsole.warn( 'THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine().' );\n\treturn this.intersectsLine( line );\n\n};\n\n//\n\nQuaternion.prototype.multiplyVector3 = function ( vector ) {\n\n\tconsole.warn( 'THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead.' );\n\treturn vector.applyQuaternion( this );\n\n};\n\nQuaternion.prototype.inverse = function ( ) {\n\n\tconsole.warn( 'THREE.Quaternion: .inverse() has been renamed to invert().' );\n\treturn this.invert();\n\n};\n\n//\n\nRay.prototype.isIntersectionBox = function ( box ) {\n\n\tconsole.warn( 'THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\treturn this.intersectsBox( box );\n\n};\n\nRay.prototype.isIntersectionPlane = function ( plane ) {\n\n\tconsole.warn( 'THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane().' );\n\treturn this.intersectsPlane( plane );\n\n};\n\nRay.prototype.isIntersectionSphere = function ( sphere ) {\n\n\tconsole.warn( 'THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\treturn this.intersectsSphere( sphere );\n\n};\n\n//\n\nTriangle.prototype.area = function () {\n\n\tconsole.warn( 'THREE.Triangle: .area() has been renamed to .getArea().' );\n\treturn this.getArea();\n\n};\n\nTriangle.prototype.barycoordFromPoint = function ( point, target ) {\n\n\tconsole.warn( 'THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord().' );\n\treturn this.getBarycoord( point, target );\n\n};\n\nTriangle.prototype.midpoint = function ( target ) {\n\n\tconsole.warn( 'THREE.Triangle: .midpoint() has been renamed to .getMidpoint().' );\n\treturn this.getMidpoint( target );\n\n};\n\nTriangle.prototypenormal = function ( target ) {\n\n\tconsole.warn( 'THREE.Triangle: .normal() has been renamed to .getNormal().' );\n\treturn this.getNormal( target );\n\n};\n\nTriangle.prototype.plane = function ( target ) {\n\n\tconsole.warn( 'THREE.Triangle: .plane() has been renamed to .getPlane().' );\n\treturn this.getPlane( target );\n\n};\n\nTriangle.barycoordFromPoint = function ( point, a, b, c, target ) {\n\n\tconsole.warn( 'THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord().' );\n\treturn Triangle.getBarycoord( point, a, b, c, target );\n\n};\n\nTriangle.normal = function ( a, b, c, target ) {\n\n\tconsole.warn( 'THREE.Triangle: .normal() has been renamed to .getNormal().' );\n\treturn Triangle.getNormal( a, b, c, target );\n\n};\n\n//\n\nShape.prototype.extractAllPoints = function ( divisions ) {\n\n\tconsole.warn( 'THREE.Shape: .extractAllPoints() has been removed. Use .extractPoints() instead.' );\n\treturn this.extractPoints( divisions );\n\n};\n\nShape.prototype.extrude = function ( options ) {\n\n\tconsole.warn( 'THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead.' );\n\treturn new ExtrudeGeometry( this, options );\n\n};\n\nShape.prototype.makeGeometry = function ( options ) {\n\n\tconsole.warn( 'THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead.' );\n\treturn new ShapeGeometry( this, options );\n\n};\n\n//\n\nVector2.prototype.fromAttribute = function ( attribute, index, offset ) {\n\n\tconsole.warn( 'THREE.Vector2: .fromAttribute() has been renamed to .fromBufferAttribute().' );\n\treturn this.fromBufferAttribute( attribute, index, offset );\n\n};\n\nVector2.prototype.distanceToManhattan = function ( v ) {\n\n\tconsole.warn( 'THREE.Vector2: .distanceToManhattan() has been renamed to .manhattanDistanceTo().' );\n\treturn this.manhattanDistanceTo( v );\n\n};\n\nVector2.prototype.lengthManhattan = function () {\n\n\tconsole.warn( 'THREE.Vector2: .lengthManhattan() has been renamed to .manhattanLength().' );\n\treturn this.manhattanLength();\n\n};\n\n//\n\nVector3.prototype.setEulerFromRotationMatrix = function () {\n\n\tconsole.error( 'THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.' );\n\n};\n\nVector3.prototype.setEulerFromQuaternion = function () {\n\n\tconsole.error( 'THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.' );\n\n};\n\nVector3.prototype.getPositionFromMatrix = function ( m ) {\n\n\tconsole.warn( 'THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition().' );\n\treturn this.setFromMatrixPosition( m );\n\n};\n\nVector3.prototype.getScaleFromMatrix = function ( m ) {\n\n\tconsole.warn( 'THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale().' );\n\treturn this.setFromMatrixScale( m );\n\n};\n\nVector3.prototype.getColumnFromMatrix = function ( index, matrix ) {\n\n\tconsole.warn( 'THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn().' );\n\treturn this.setFromMatrixColumn( matrix, index );\n\n};\n\nVector3.prototype.applyProjection = function ( m ) {\n\n\tconsole.warn( 'THREE.Vector3: .applyProjection() has been removed. Use .applyMatrix4( m ) instead.' );\n\treturn this.applyMatrix4( m );\n\n};\n\nVector3.prototype.fromAttribute = function ( attribute, index, offset ) {\n\n\tconsole.warn( 'THREE.Vector3: .fromAttribute() has been renamed to .fromBufferAttribute().' );\n\treturn this.fromBufferAttribute( attribute, index, offset );\n\n};\n\nVector3.prototype.distanceToManhattan = function ( v ) {\n\n\tconsole.warn( 'THREE.Vector3: .distanceToManhattan() has been renamed to .manhattanDistanceTo().' );\n\treturn this.manhattanDistanceTo( v );\n\n};\n\nVector3.prototype.lengthManhattan = function () {\n\n\tconsole.warn( 'THREE.Vector3: .lengthManhattan() has been renamed to .manhattanLength().' );\n\treturn this.manhattanLength();\n\n};\n\n//\n\nVector4.prototype.fromAttribute = function ( attribute, index, offset ) {\n\n\tconsole.warn( 'THREE.Vector4: .fromAttribute() has been renamed to .fromBufferAttribute().' );\n\treturn this.fromBufferAttribute( attribute, index, offset );\n\n};\n\nVector4.prototype.lengthManhattan = function () {\n\n\tconsole.warn( 'THREE.Vector4: .lengthManhattan() has been renamed to .manhattanLength().' );\n\treturn this.manhattanLength();\n\n};\n\n//\n\nObject3D.prototype.getChildByName = function ( name ) {\n\n\tconsole.warn( 'THREE.Object3D: .getChildByName() has been renamed to .getObjectByName().' );\n\treturn this.getObjectByName( name );\n\n};\n\nObject3D.prototype.renderDepth = function () {\n\n\tconsole.warn( 'THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.' );\n\n};\n\nObject3D.prototype.translate = function ( distance, axis ) {\n\n\tconsole.warn( 'THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead.' );\n\treturn this.translateOnAxis( axis, distance );\n\n};\n\nObject3D.prototype.getWorldRotation = function () {\n\n\tconsole.error( 'THREE.Object3D: .getWorldRotation() has been removed. Use THREE.Object3D.getWorldQuaternion( target ) instead.' );\n\n};\n\nObject3D.prototype.applyMatrix = function ( matrix ) {\n\n\tconsole.warn( 'THREE.Object3D: .applyMatrix() has been renamed to .applyMatrix4().' );\n\treturn this.applyMatrix4( matrix );\n\n};\n\nObject.defineProperties( Object3D.prototype, {\n\n\teulerOrder: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\treturn this.rotation.order;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\tthis.rotation.order = value;\n\n\t\t}\n\t},\n\tuseQuaternion: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\n\t\t}\n\t}\n\n} );\n\nMesh.prototype.setDrawMode = function () {\n\n\tconsole.error( 'THREE.Mesh: .setDrawMode() has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.' );\n\n};\n\nObject.defineProperties( Mesh.prototype, {\n\n\tdrawMode: {\n\t\tget: function () {\n\n\t\t\tconsole.error( 'THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode.' );\n\t\t\treturn TrianglesDrawMode;\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.error( 'THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.' );\n\n\t\t}\n\t}\n\n} );\n\nSkinnedMesh.prototype.initBones = function () {\n\n\tconsole.error( 'THREE.SkinnedMesh: initBones() has been removed.' );\n\n};\n\n//\n\nPerspectiveCamera.prototype.setLens = function ( focalLength, filmGauge ) {\n\n\tconsole.warn( 'THREE.PerspectiveCamera.setLens is deprecated. ' +\n\t\t\t'Use .setFocalLength and .filmGauge for a photographic setup.' );\n\n\tif ( filmGauge !== undefined ) this.filmGauge = filmGauge;\n\tthis.setFocalLength( focalLength );\n\n};\n\n//\n\nObject.defineProperties( Light.prototype, {\n\tonlyShadow: {\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Light: .onlyShadow has been removed.' );\n\n\t\t}\n\t},\n\tshadowCameraFov: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFov is now .shadow.camera.fov.' );\n\t\t\tthis.shadow.camera.fov = value;\n\n\t\t}\n\t},\n\tshadowCameraLeft: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraLeft is now .shadow.camera.left.' );\n\t\t\tthis.shadow.camera.left = value;\n\n\t\t}\n\t},\n\tshadowCameraRight: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraRight is now .shadow.camera.right.' );\n\t\t\tthis.shadow.camera.right = value;\n\n\t\t}\n\t},\n\tshadowCameraTop: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraTop is now .shadow.camera.top.' );\n\t\t\tthis.shadow.camera.top = value;\n\n\t\t}\n\t},\n\tshadowCameraBottom: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom.' );\n\t\t\tthis.shadow.camera.bottom = value;\n\n\t\t}\n\t},\n\tshadowCameraNear: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraNear is now .shadow.camera.near.' );\n\t\t\tthis.shadow.camera.near = value;\n\n\t\t}\n\t},\n\tshadowCameraFar: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFar is now .shadow.camera.far.' );\n\t\t\tthis.shadow.camera.far = value;\n\n\t\t}\n\t},\n\tshadowCameraVisible: {\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.' );\n\n\t\t}\n\t},\n\tshadowBias: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowBias is now .shadow.bias.' );\n\t\t\tthis.shadow.bias = value;\n\n\t\t}\n\t},\n\tshadowDarkness: {\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowDarkness has been removed.' );\n\n\t\t}\n\t},\n\tshadowMapWidth: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowMapWidth is now .shadow.mapSize.width.' );\n\t\t\tthis.shadow.mapSize.width = value;\n\n\t\t}\n\t},\n\tshadowMapHeight: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowMapHeight is now .shadow.mapSize.height.' );\n\t\t\tthis.shadow.mapSize.height = value;\n\n\t\t}\n\t}\n} );\n\n//\n\nObject.defineProperties( BufferAttribute.prototype, {\n\n\tlength: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.BufferAttribute: .length has been deprecated. Use .count instead.' );\n\t\t\treturn this.array.length;\n\n\t\t}\n\t},\n\tdynamic: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead.' );\n\t\t\treturn this.usage === DynamicDrawUsage;\n\n\t\t},\n\t\tset: function ( /* value */ ) {\n\n\t\t\tconsole.warn( 'THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead.' );\n\t\t\tthis.setUsage( DynamicDrawUsage );\n\n\t\t}\n\t}\n\n} );\n\nBufferAttribute.prototype.setDynamic = function ( value ) {\n\n\tconsole.warn( 'THREE.BufferAttribute: .setDynamic() has been deprecated. Use .setUsage() instead.' );\n\tthis.setUsage( value === true ? DynamicDrawUsage : StaticDrawUsage );\n\treturn this;\n\n};\n\nBufferAttribute.prototype.copyIndicesArray = function ( /* indices */ ) {\n\n\tconsole.error( 'THREE.BufferAttribute: .copyIndicesArray() has been removed.' );\n\n},\n\nBufferAttribute.prototype.setArray = function ( /* array */ ) {\n\n\tconsole.error( 'THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers' );\n\n};\n\n//\n\nBufferGeometry.prototype.addIndex = function ( index ) {\n\n\tconsole.warn( 'THREE.BufferGeometry: .addIndex() has been renamed to .setIndex().' );\n\tthis.setIndex( index );\n\n};\n\nBufferGeometry.prototype.addAttribute = function ( name, attribute ) {\n\n\tconsole.warn( 'THREE.BufferGeometry: .addAttribute() has been renamed to .setAttribute().' );\n\n\tif ( ! ( attribute && attribute.isBufferAttribute ) && ! ( attribute && attribute.isInterleavedBufferAttribute ) ) {\n\n\t\tconsole.warn( 'THREE.BufferGeometry: .addAttribute() now expects ( name, attribute ).' );\n\n\t\treturn this.setAttribute( name, new BufferAttribute( arguments[ 1 ], arguments[ 2 ] ) );\n\n\t}\n\n\tif ( name === 'index' ) {\n\n\t\tconsole.warn( 'THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute.' );\n\t\tthis.setIndex( attribute );\n\n\t\treturn this;\n\n\t}\n\n\treturn this.setAttribute( name, attribute );\n\n};\n\nBufferGeometry.prototype.addDrawCall = function ( start, count, indexOffset ) {\n\n\tif ( indexOffset !== undefined ) {\n\n\t\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset.' );\n\n\t}\n\n\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() is now .addGroup().' );\n\tthis.addGroup( start, count );\n\n};\n\nBufferGeometry.prototype.clearDrawCalls = function () {\n\n\tconsole.warn( 'THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups().' );\n\tthis.clearGroups();\n\n};\n\nBufferGeometry.prototype.computeOffsets = function () {\n\n\tconsole.warn( 'THREE.BufferGeometry: .computeOffsets() has been removed.' );\n\n};\n\nBufferGeometry.prototype.removeAttribute = function ( name ) {\n\n\tconsole.warn( 'THREE.BufferGeometry: .removeAttribute() has been renamed to .deleteAttribute().' );\n\n\treturn this.deleteAttribute( name );\n\n};\n\nBufferGeometry.prototype.applyMatrix = function ( matrix ) {\n\n\tconsole.warn( 'THREE.BufferGeometry: .applyMatrix() has been renamed to .applyMatrix4().' );\n\treturn this.applyMatrix4( matrix );\n\n};\n\nObject.defineProperties( BufferGeometry.prototype, {\n\n\tdrawcalls: {\n\t\tget: function () {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry: .drawcalls has been renamed to .groups.' );\n\t\t\treturn this.groups;\n\n\t\t}\n\t},\n\toffsets: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .offsets has been renamed to .groups.' );\n\t\t\treturn this.groups;\n\n\t\t}\n\t}\n\n} );\n\nInterleavedBuffer.prototype.setDynamic = function ( value ) {\n\n\tconsole.warn( 'THREE.InterleavedBuffer: .setDynamic() has been deprecated. Use .setUsage() instead.' );\n\tthis.setUsage( value === true ? DynamicDrawUsage : StaticDrawUsage );\n\treturn this;\n\n};\n\nInterleavedBuffer.prototype.setArray = function ( /* array */ ) {\n\n\tconsole.error( 'THREE.InterleavedBuffer: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers' );\n\n};\n\n//\n\nExtrudeGeometry.prototype.getArrays = function () {\n\n\tconsole.error( 'THREE.ExtrudeGeometry: .getArrays() has been removed.' );\n\n};\n\nExtrudeGeometry.prototype.addShapeList = function () {\n\n\tconsole.error( 'THREE.ExtrudeGeometry: .addShapeList() has been removed.' );\n\n};\n\nExtrudeGeometry.prototype.addShape = function () {\n\n\tconsole.error( 'THREE.ExtrudeGeometry: .addShape() has been removed.' );\n\n};\n\n//\n\nScene.prototype.dispose = function () {\n\n\tconsole.error( 'THREE.Scene: .dispose() has been removed.' );\n\n};\n\n//\n\nUniform.prototype.onUpdate = function () {\n\n\tconsole.warn( 'THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead.' );\n\treturn this;\n\n};\n\n//\n\nObject.defineProperties( Material.prototype, {\n\n\twrapAround: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.Material: .wrapAround has been removed.' );\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Material: .wrapAround has been removed.' );\n\n\t\t}\n\t},\n\n\toverdraw: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.Material: .overdraw has been removed.' );\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Material: .overdraw has been removed.' );\n\n\t\t}\n\t},\n\n\twrapRGB: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.Material: .wrapRGB has been removed.' );\n\t\t\treturn new Color();\n\n\t\t}\n\t},\n\n\tshading: {\n\t\tget: function () {\n\n\t\t\tconsole.error( 'THREE.' + this.type + ': .shading has been removed. Use the boolean .flatShading instead.' );\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.' + this.type + ': .shading has been removed. Use the boolean .flatShading instead.' );\n\t\t\tthis.flatShading = ( value === FlatShading );\n\n\t\t}\n\t},\n\n\tstencilMask: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.' + this.type + ': .stencilMask has been removed. Use .stencilFuncMask instead.' );\n\t\t\treturn this.stencilFuncMask;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.' + this.type + ': .stencilMask has been removed. Use .stencilFuncMask instead.' );\n\t\t\tthis.stencilFuncMask = value;\n\n\t\t}\n\t},\n\n\tvertexTangents: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.' + this.type + ': .vertexTangents has been removed.' );\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.' + this.type + ': .vertexTangents has been removed.' );\n\n\t\t}\n\t},\n\n} );\n\nObject.defineProperties( ShaderMaterial.prototype, {\n\n\tderivatives: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\treturn this.extensions.derivatives;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\tthis.extensions.derivatives = value;\n\n\t\t}\n\t}\n\n} );\n\n//\n\nWebGLRenderer.prototype.clearTarget = function ( renderTarget, color, depth, stencil ) {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .clearTarget() has been deprecated. Use .setRenderTarget() and .clear() instead.' );\n\tthis.setRenderTarget( renderTarget );\n\tthis.clear( color, depth, stencil );\n\n};\n\nWebGLRenderer.prototype.animate = function ( callback ) {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .animate() is now .setAnimationLoop().' );\n\tthis.setAnimationLoop( callback );\n\n};\n\nWebGLRenderer.prototype.getCurrentRenderTarget = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .getCurrentRenderTarget() is now .getRenderTarget().' );\n\treturn this.getRenderTarget();\n\n};\n\nWebGLRenderer.prototype.getMaxAnisotropy = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .getMaxAnisotropy() is now .capabilities.getMaxAnisotropy().' );\n\treturn this.capabilities.getMaxAnisotropy();\n\n};\n\nWebGLRenderer.prototype.getPrecision = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .getPrecision() is now .capabilities.precision.' );\n\treturn this.capabilities.precision;\n\n};\n\nWebGLRenderer.prototype.resetGLState = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .resetGLState() is now .state.reset().' );\n\treturn this.state.reset();\n\n};\n\nWebGLRenderer.prototype.supportsFloatTextures = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( \\'OES_texture_float\\' ).' );\n\treturn this.extensions.get( 'OES_texture_float' );\n\n};\n\nWebGLRenderer.prototype.supportsHalfFloatTextures = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( \\'OES_texture_half_float\\' ).' );\n\treturn this.extensions.get( 'OES_texture_half_float' );\n\n};\n\nWebGLRenderer.prototype.supportsStandardDerivatives = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( \\'OES_standard_derivatives\\' ).' );\n\treturn this.extensions.get( 'OES_standard_derivatives' );\n\n};\n\nWebGLRenderer.prototype.supportsCompressedTextureS3TC = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( \\'WEBGL_compressed_texture_s3tc\\' ).' );\n\treturn this.extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\n};\n\nWebGLRenderer.prototype.supportsCompressedTexturePVRTC = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( \\'WEBGL_compressed_texture_pvrtc\\' ).' );\n\treturn this.extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\n};\n\nWebGLRenderer.prototype.supportsBlendMinMax = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( \\'EXT_blend_minmax\\' ).' );\n\treturn this.extensions.get( 'EXT_blend_minmax' );\n\n};\n\nWebGLRenderer.prototype.supportsVertexTextures = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsVertexTextures() is now .capabilities.vertexTextures.' );\n\treturn this.capabilities.vertexTextures;\n\n};\n\nWebGLRenderer.prototype.supportsInstancedArrays = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( \\'ANGLE_instanced_arrays\\' ).' );\n\treturn this.extensions.get( 'ANGLE_instanced_arrays' );\n\n};\n\nWebGLRenderer.prototype.enableScissorTest = function ( boolean ) {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest().' );\n\tthis.setScissorTest( boolean );\n\n};\n\nWebGLRenderer.prototype.initMaterial = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .initMaterial() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.addPrePlugin = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .addPrePlugin() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.addPostPlugin = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .addPostPlugin() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.updateShadowMap = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .updateShadowMap() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.setFaceCulling = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .setFaceCulling() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.allocTextureUnit = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .allocTextureUnit() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.setTexture = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .setTexture() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.setTexture2D = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .setTexture2D() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.setTextureCube = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .setTextureCube() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.getActiveMipMapLevel = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .getActiveMipMapLevel() is now .getActiveMipmapLevel().' );\n\treturn this.getActiveMipmapLevel();\n\n};\n\nObject.defineProperties( WebGLRenderer.prototype, {\n\n\tshadowMapEnabled: {\n\t\tget: function () {\n\n\t\t\treturn this.shadowMap.enabled;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled.' );\n\t\t\tthis.shadowMap.enabled = value;\n\n\t\t}\n\t},\n\tshadowMapType: {\n\t\tget: function () {\n\n\t\t\treturn this.shadowMap.type;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type.' );\n\t\t\tthis.shadowMap.type = value;\n\n\t\t}\n\t},\n\tshadowMapCullFace: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.' );\n\t\t\treturn undefined;\n\n\t\t},\n\t\tset: function ( /* value */ ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.' );\n\n\t\t}\n\t},\n\tcontext: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .context has been removed. Use .getContext() instead.' );\n\t\t\treturn this.getContext();\n\n\t\t}\n\t},\n\tvr: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .vr has been renamed to .xr' );\n\t\t\treturn this.xr;\n\n\t\t}\n\t},\n\tgammaInput: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead.' );\n\t\t\treturn false;\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead.' );\n\n\t\t}\n\t},\n\tgammaOutput: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead.' );\n\t\t\treturn false;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead.' );\n\t\t\tthis.outputEncoding = ( value === true ) ? sRGBEncoding : LinearEncoding;\n\n\t\t}\n\t},\n\ttoneMappingWhitePoint: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .toneMappingWhitePoint has been removed.' );\n\t\t\treturn 1.0;\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .toneMappingWhitePoint has been removed.' );\n\n\t\t}\n\t},\n\n} );\n\nObject.defineProperties( WebGLShadowMap.prototype, {\n\n\tcullFace: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.' );\n\t\t\treturn undefined;\n\n\t\t},\n\t\tset: function ( /* cullFace */ ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.' );\n\n\t\t}\n\t},\n\trenderReverseSided: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.' );\n\t\t\treturn undefined;\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.' );\n\n\t\t}\n\t},\n\trenderSingleSided: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.' );\n\t\t\treturn undefined;\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.' );\n\n\t\t}\n\t}\n\n} );\n\nfunction WebGLRenderTargetCube( width, height, options ) {\n\n\tconsole.warn( 'THREE.WebGLRenderTargetCube( width, height, options ) is now WebGLCubeRenderTarget( size, options ).' );\n\treturn new WebGLCubeRenderTarget( width, options );\n\n}\n\n//\n\nObject.defineProperties( WebGLRenderTarget.prototype, {\n\n\twrapS: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\treturn this.texture.wrapS;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\tthis.texture.wrapS = value;\n\n\t\t}\n\t},\n\twrapT: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\treturn this.texture.wrapT;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\tthis.texture.wrapT = value;\n\n\t\t}\n\t},\n\tmagFilter: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\treturn this.texture.magFilter;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\tthis.texture.magFilter = value;\n\n\t\t}\n\t},\n\tminFilter: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\treturn this.texture.minFilter;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\tthis.texture.minFilter = value;\n\n\t\t}\n\t},\n\tanisotropy: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\treturn this.texture.anisotropy;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\tthis.texture.anisotropy = value;\n\n\t\t}\n\t},\n\toffset: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\treturn this.texture.offset;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\tthis.texture.offset = value;\n\n\t\t}\n\t},\n\trepeat: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\treturn this.texture.repeat;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\tthis.texture.repeat = value;\n\n\t\t}\n\t},\n\tformat: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\treturn this.texture.format;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\tthis.texture.format = value;\n\n\t\t}\n\t},\n\ttype: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\treturn this.texture.type;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\tthis.texture.type = value;\n\n\t\t}\n\t},\n\tgenerateMipmaps: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\treturn this.texture.generateMipmaps;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\tthis.texture.generateMipmaps = value;\n\n\t\t}\n\t}\n\n} );\n\n//\n\nAudio.prototype.load = function ( file ) {\n\n\tconsole.warn( 'THREE.Audio: .load has been deprecated. Use THREE.AudioLoader instead.' );\n\tconst scope = this;\n\tconst audioLoader = new AudioLoader();\n\taudioLoader.load( file, function ( buffer ) {\n\n\t\tscope.setBuffer( buffer );\n\n\t} );\n\treturn this;\n\n};\n\n\nAudioAnalyser.prototype.getData = function () {\n\n\tconsole.warn( 'THREE.AudioAnalyser: .getData() is now .getFrequencyData().' );\n\treturn this.getFrequencyData();\n\n};\n\n//\n\nCubeCamera.prototype.updateCubeMap = function ( renderer, scene ) {\n\n\tconsole.warn( 'THREE.CubeCamera: .updateCubeMap() is now .update().' );\n\treturn this.update( renderer, scene );\n\n};\n\nCubeCamera.prototype.clear = function ( renderer, color, depth, stencil ) {\n\n\tconsole.warn( 'THREE.CubeCamera: .clear() is now .renderTarget.clear().' );\n\treturn this.renderTarget.clear( renderer, color, depth, stencil );\n\n};\n\nImageUtils.crossOrigin = undefined;\n\nImageUtils.loadTexture = function ( url, mapping, onLoad, onError ) {\n\n\tconsole.warn( 'THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.' );\n\n\tconst loader = new TextureLoader();\n\tloader.setCrossOrigin( this.crossOrigin );\n\n\tconst texture = loader.load( url, onLoad, undefined, onError );\n\n\tif ( mapping ) texture.mapping = mapping;\n\n\treturn texture;\n\n};\n\nImageUtils.loadTextureCube = function ( urls, mapping, onLoad, onError ) {\n\n\tconsole.warn( 'THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.' );\n\n\tconst loader = new CubeTextureLoader();\n\tloader.setCrossOrigin( this.crossOrigin );\n\n\tconst texture = loader.load( urls, onLoad, undefined, onError );\n\n\tif ( mapping ) texture.mapping = mapping;\n\n\treturn texture;\n\n};\n\nImageUtils.loadCompressedTexture = function () {\n\n\tconsole.error( 'THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.' );\n\n};\n\nImageUtils.loadCompressedTextureCube = function () {\n\n\tconsole.error( 'THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.' );\n\n};\n\n//\n\nfunction CanvasRenderer() {\n\n\tconsole.error( 'THREE.CanvasRenderer has been removed' );\n\n}\n\n//\n\nfunction JSONLoader() {\n\n\tconsole.error( 'THREE.JSONLoader has been removed.' );\n\n}\n\n//\n\nconst SceneUtils = {\n\n\tcreateMultiMaterialObject: function ( /* geometry, materials */ ) {\n\n\t\tconsole.error( 'THREE.SceneUtils has been moved to /examples/jsm/utils/SceneUtils.js' );\n\n\t},\n\n\tdetach: function ( /* child, parent, scene */ ) {\n\n\t\tconsole.error( 'THREE.SceneUtils has been moved to /examples/jsm/utils/SceneUtils.js' );\n\n\t},\n\n\tattach: function ( /* child, scene, parent */ ) {\n\n\t\tconsole.error( 'THREE.SceneUtils has been moved to /examples/jsm/utils/SceneUtils.js' );\n\n\t}\n\n};\n\n//\n\nfunction LensFlare() {\n\n\tconsole.error( 'THREE.LensFlare has been moved to /examples/jsm/objects/Lensflare.js' );\n\n}\n\n//\n\nfunction ParametricGeometry() {\n\n\tconsole.error( 'THREE.ParametricGeometry has been moved to /examples/jsm/geometries/ParametricGeometry.js' );\n\treturn new BufferGeometry();\n\n}\n\nfunction TextGeometry() {\n\n\tconsole.error( 'THREE.TextGeometry has been moved to /examples/jsm/geometries/TextGeometry.js' );\n\treturn new BufferGeometry();\n\n}\n\nfunction FontLoader() {\n\n\tconsole.error( 'THREE.FontLoader has been moved to /examples/jsm/loaders/FontLoader.js' );\n\n}\n\nfunction Font() {\n\n\tconsole.error( 'THREE.Font has been moved to /examples/jsm/loaders/FontLoader.js' );\n\n}\n\nfunction ImmediateRenderObject() {\n\n\tconsole.error( 'THREE.ImmediateRenderObject has been removed.' );\n\n}\n\nif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t/* eslint-disable no-undef */\n\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'register', { detail: {\n\t\trevision: REVISION,\n\t} } ) );\n\t/* eslint-enable no-undef */\n\n}\n\nif ( typeof window !== 'undefined' ) {\n\n\tif ( window.__THREE__ ) {\n\n\t\tconsole.warn( 'WARNING: Multiple instances of Three.js being imported.' );\n\n\t} else {\n\n\t\twindow.__THREE__ = REVISION;\n\n\t}\n\n}\n\nexport { ACESFilmicToneMapping, AddEquation, AddOperation, AdditiveAnimationBlendMode, AdditiveBlending, AlphaFormat, AlwaysDepth, AlwaysStencilFunc, AmbientLight, AmbientLightProbe, AnimationClip, AnimationLoader, AnimationMixer, AnimationObjectGroup, AnimationUtils, ArcCurve, ArrayCamera, ArrowHelper, Audio, AudioAnalyser, AudioContext, AudioListener, AudioLoader, AxesHelper, AxisHelper, BackSide, BasicDepthPacking, BasicShadowMap, BinaryTextureLoader, Bone, BooleanKeyframeTrack, BoundingBoxHelper, Box2, Box3, Box3Helper, BoxGeometry as BoxBufferGeometry, BoxGeometry, BoxHelper, BufferAttribute, BufferGeometry, BufferGeometryLoader, ByteType, Cache, Camera, CameraHelper, CanvasRenderer, CanvasTexture, CatmullRomCurve3, CineonToneMapping, CircleGeometry as CircleBufferGeometry, CircleGeometry, ClampToEdgeWrapping, Clock, Color, ColorKeyframeTrack, CompressedTexture, CompressedTextureLoader, ConeGeometry as ConeBufferGeometry, ConeGeometry, CubeCamera, CubeReflectionMapping, CubeRefractionMapping, CubeTexture, CubeTextureLoader, CubeUVReflectionMapping, CubeUVRefractionMapping, CubicBezierCurve, CubicBezierCurve3, CubicInterpolant, CullFaceBack, CullFaceFront, CullFaceFrontBack, CullFaceNone, Curve, CurvePath, CustomBlending, CustomToneMapping, CylinderGeometry as CylinderBufferGeometry, CylinderGeometry, Cylindrical, DataTexture, DataTexture2DArray, DataTexture3D, DataTextureLoader, DataUtils, DecrementStencilOp, DecrementWrapStencilOp, DefaultLoadingManager, DepthFormat, DepthStencilFormat, DepthTexture, DirectionalLight, DirectionalLightHelper, DiscreteInterpolant, DodecahedronGeometry as DodecahedronBufferGeometry, DodecahedronGeometry, DoubleSide, DstAlphaFactor, DstColorFactor, DynamicBufferAttribute, DynamicCopyUsage, DynamicDrawUsage, DynamicReadUsage, EdgesGeometry, EdgesHelper, EllipseCurve, EqualDepth, EqualStencilFunc, EquirectangularReflectionMapping, EquirectangularRefractionMapping, Euler, EventDispatcher, ExtrudeGeometry as ExtrudeBufferGeometry, ExtrudeGeometry, FaceColors, FileLoader, FlatShading, Float16BufferAttribute, Float32Attribute, Float32BufferAttribute, Float64Attribute, Float64BufferAttribute, FloatType, Fog, FogExp2, Font, FontLoader, FrontSide, Frustum, GLBufferAttribute, GLSL1, GLSL3, GammaEncoding, GreaterDepth, GreaterEqualDepth, GreaterEqualStencilFunc, GreaterStencilFunc, GridHelper, Group, HalfFloatType, HemisphereLight, HemisphereLightHelper, HemisphereLightProbe, IcosahedronGeometry as IcosahedronBufferGeometry, IcosahedronGeometry, ImageBitmapLoader, ImageLoader, ImageUtils, ImmediateRenderObject, IncrementStencilOp, IncrementWrapStencilOp, InstancedBufferAttribute, InstancedBufferGeometry, InstancedInterleavedBuffer, InstancedMesh, Int16Attribute, Int16BufferAttribute, Int32Attribute, Int32BufferAttribute, Int8Attribute, Int8BufferAttribute, IntType, InterleavedBuffer, InterleavedBufferAttribute, Interpolant, InterpolateDiscrete, InterpolateLinear, InterpolateSmooth, InvertStencilOp, JSONLoader, KeepStencilOp, KeyframeTrack, LOD, LatheGeometry as LatheBufferGeometry, LatheGeometry, Layers, LensFlare, LessDepth, LessEqualDepth, LessEqualStencilFunc, LessStencilFunc, Light, LightProbe, Line, Line3, LineBasicMaterial, LineCurve, LineCurve3, LineDashedMaterial, LineLoop, LinePieces, LineSegments, LineStrip, LinearEncoding, LinearFilter, LinearInterpolant, LinearMipMapLinearFilter, LinearMipMapNearestFilter, LinearMipmapLinearFilter, LinearMipmapNearestFilter, LinearToneMapping, Loader, LoaderUtils, LoadingManager, LoopOnce, LoopPingPong, LoopRepeat, LuminanceAlphaFormat, LuminanceFormat, MOUSE, Material, MaterialLoader, MathUtils as Math, MathUtils, Matrix3, Matrix4, MaxEquation, Mesh, MeshBasicMaterial, MeshDepthMaterial, MeshDistanceMaterial, MeshFaceMaterial, MeshLambertMaterial, MeshMatcapMaterial, MeshNormalMaterial, MeshPhongMaterial, MeshPhysicalMaterial, MeshStandardMaterial, MeshToonMaterial, MinEquation, MirroredRepeatWrapping, MixOperation, MultiMaterial, MultiplyBlending, MultiplyOperation, NearestFilter, NearestMipMapLinearFilter, NearestMipMapNearestFilter, NearestMipmapLinearFilter, NearestMipmapNearestFilter, NeverDepth, NeverStencilFunc, NoBlending, NoColors, NoToneMapping, NormalAnimationBlendMode, NormalBlending, NotEqualDepth, NotEqualStencilFunc, NumberKeyframeTrack, Object3D, ObjectLoader, ObjectSpaceNormalMap, OctahedronGeometry as OctahedronBufferGeometry, OctahedronGeometry, OneFactor, OneMinusDstAlphaFactor, OneMinusDstColorFactor, OneMinusSrcAlphaFactor, OneMinusSrcColorFactor, OrthographicCamera, PCFShadowMap, PCFSoftShadowMap, PMREMGenerator, ParametricGeometry, Particle, ParticleBasicMaterial, ParticleSystem, ParticleSystemMaterial, Path, PerspectiveCamera, Plane, PlaneGeometry as PlaneBufferGeometry, PlaneGeometry, PlaneHelper, PointCloud, PointCloudMaterial, PointLight, PointLightHelper, Points, PointsMaterial, PolarGridHelper, PolyhedronGeometry as PolyhedronBufferGeometry, PolyhedronGeometry, PositionalAudio, PropertyBinding, PropertyMixer, QuadraticBezierCurve, QuadraticBezierCurve3, Quaternion, QuaternionKeyframeTrack, QuaternionLinearInterpolant, REVISION, RGBADepthPacking, RGBAFormat, RGBAIntegerFormat, RGBA_ASTC_10x10_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_BPTC_Format, RGBA_ETC2_EAC_Format, RGBA_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGBDEncoding, RGBEEncoding, RGBEFormat, RGBFormat, RGBIntegerFormat, RGBM16Encoding, RGBM7Encoding, RGB_ETC1_Format, RGB_ETC2_Format, RGB_PVRTC_2BPPV1_Format, RGB_PVRTC_4BPPV1_Format, RGB_S3TC_DXT1_Format, RGFormat, RGIntegerFormat, RawShaderMaterial, Ray, Raycaster, RectAreaLight, RedFormat, RedIntegerFormat, ReinhardToneMapping, RepeatWrapping, ReplaceStencilOp, ReverseSubtractEquation, RingGeometry as RingBufferGeometry, RingGeometry, SRGB8_ALPHA8_ASTC_10x10_Format, SRGB8_ALPHA8_ASTC_10x5_Format, SRGB8_ALPHA8_ASTC_10x6_Format, SRGB8_ALPHA8_ASTC_10x8_Format, SRGB8_ALPHA8_ASTC_12x10_Format, SRGB8_ALPHA8_ASTC_12x12_Format, SRGB8_ALPHA8_ASTC_4x4_Format, SRGB8_ALPHA8_ASTC_5x4_Format, SRGB8_ALPHA8_ASTC_5x5_Format, SRGB8_ALPHA8_ASTC_6x5_Format, SRGB8_ALPHA8_ASTC_6x6_Format, SRGB8_ALPHA8_ASTC_8x5_Format, SRGB8_ALPHA8_ASTC_8x6_Format, SRGB8_ALPHA8_ASTC_8x8_Format, Scene, SceneUtils, ShaderChunk, ShaderLib, ShaderMaterial, ShadowMaterial, Shape, ShapeGeometry as ShapeBufferGeometry, ShapeGeometry, ShapePath, ShapeUtils, ShortType, Skeleton, SkeletonHelper, SkinnedMesh, SmoothShading, Sphere, SphereGeometry as SphereBufferGeometry, SphereGeometry, Spherical, SphericalHarmonics3, SplineCurve, SpotLight, SpotLightHelper, Sprite, SpriteMaterial, SrcAlphaFactor, SrcAlphaSaturateFactor, SrcColorFactor, StaticCopyUsage, StaticDrawUsage, StaticReadUsage, StereoCamera, StreamCopyUsage, StreamDrawUsage, StreamReadUsage, StringKeyframeTrack, SubtractEquation, SubtractiveBlending, TOUCH, TangentSpaceNormalMap, TetrahedronGeometry as TetrahedronBufferGeometry, TetrahedronGeometry, TextGeometry, Texture, TextureLoader, TorusGeometry as TorusBufferGeometry, TorusGeometry, TorusKnotGeometry as TorusKnotBufferGeometry, TorusKnotGeometry, Triangle, TriangleFanDrawMode, TriangleStripDrawMode, TrianglesDrawMode, TubeGeometry as TubeBufferGeometry, TubeGeometry, UVMapping, Uint16Attribute, Uint16BufferAttribute, Uint32Attribute, Uint32BufferAttribute, Uint8Attribute, Uint8BufferAttribute, Uint8ClampedAttribute, Uint8ClampedBufferAttribute, Uniform, UniformsLib, UniformsUtils, UnsignedByteType, UnsignedInt248Type, UnsignedIntType, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedShort565Type, UnsignedShortType, VSMShadowMap, Vector2, Vector3, Vector4, VectorKeyframeTrack, Vertex, VertexColors, VideoTexture, WebGL1Renderer, WebGLCubeRenderTarget, WebGLMultipleRenderTargets, WebGLMultisampleRenderTarget, WebGLRenderTarget, WebGLRenderTargetCube, WebGLRenderer, WebGLUtils, WireframeGeometry, WireframeHelper, WrapAroundEnding, XHRLoader, ZeroCurvatureEnding, ZeroFactor, ZeroSlopeEnding, ZeroStencilOp, sRGBEncoding };\n", "import {\n\tEventDispatcher,\n\tMOUSE,\n\tQuaternion,\n\tSpherical,\n\tTOUCH,\n\tVector2,\n\tVector3\n} from 'three';\n\n// This set of controls performs orbiting, dollying (zooming), and panning.\n// Unlike TrackballControls, it maintains the \"up\" direction object.up (+Y by default).\n//\n// Orbit - left mouse / touch: one-finger move\n// Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish\n// Pan - right mouse, or left mouse + ctrl/meta/shiftKey, or arrow keys / touch: two-finger move\n\nconst _changeEvent = { type: 'change' };\nconst _startEvent = { type: 'start' };\nconst _endEvent = { type: 'end' };\n\nclass OrbitControls extends EventDispatcher {\n\n\tconstructor( object, domElement ) {\n\n\t\tsuper();\n\n\t\tif ( domElement === undefined ) console.warn( 'THREE.OrbitControls: The second parameter \"domElement\" is now mandatory.' );\n\t\tif ( domElement === document ) console.error( 'THREE.OrbitControls: \"document\" should not be used as the target \"domElement\". Please use \"renderer.domElement\" instead.' );\n\n\t\tthis.object = object;\n\t\tthis.domElement = domElement;\n\t\tthis.domElement.style.touchAction = 'none'; // disable touch scroll\n\n\t\t// Set to false to disable this control\n\t\tthis.enabled = true;\n\n\t\t// \"target\" sets the location of focus, where the object orbits around\n\t\tthis.target = new Vector3();\n\n\t\t// How far you can dolly in and out ( PerspectiveCamera only )\n\t\tthis.minDistance = 0;\n\t\tthis.maxDistance = Infinity;\n\n\t\t// How far you can zoom in and out ( OrthographicCamera only )\n\t\tthis.minZoom = 0;\n\t\tthis.maxZoom = Infinity;\n\n\t\t// How far you can orbit vertically, upper and lower limits.\n\t\t// Range is 0 to Math.PI radians.\n\t\tthis.minPolarAngle = 0; // radians\n\t\tthis.maxPolarAngle = Math.PI; // radians\n\n\t\t// How far you can orbit horizontally, upper and lower limits.\n\t\t// If set, the interval [ min, max ] must be a sub-interval of [ - 2 PI, 2 PI ], with ( max - min < 2 PI )\n\t\tthis.minAzimuthAngle = - Infinity; // radians\n\t\tthis.maxAzimuthAngle = Infinity; // radians\n\n\t\t// Set to true to enable damping (inertia)\n\t\t// If damping is enabled, you must call controls.update() in your animation loop\n\t\tthis.enableDamping = false;\n\t\tthis.dampingFactor = 0.05;\n\n\t\t// This option actually enables dollying in and out; left as \"zoom\" for backwards compatibility.\n\t\t// Set to false to disable zooming\n\t\tthis.enableZoom = true;\n\t\tthis.zoomSpeed = 1.0;\n\n\t\t// Set to false to disable rotating\n\t\tthis.enableRotate = true;\n\t\tthis.rotateSpeed = 1.0;\n\n\t\t// Set to false to disable panning\n\t\tthis.enablePan = true;\n\t\tthis.panSpeed = 1.0;\n\t\tthis.screenSpacePanning = true; // if false, pan orthogonal to world-space direction camera.up\n\t\tthis.keyPanSpeed = 7.0;\t// pixels moved per arrow key push\n\n\t\t// Set to true to automatically rotate around the target\n\t\t// If auto-rotate is enabled, you must call controls.update() in your animation loop\n\t\tthis.autoRotate = false;\n\t\tthis.autoRotateSpeed = 2.0; // 30 seconds per orbit when fps is 60\n\n\t\t// The four arrow keys\n\t\tthis.keys = { LEFT: 'ArrowLeft', UP: 'ArrowUp', RIGHT: 'ArrowRight', BOTTOM: 'ArrowDown' };\n\n\t\t// Mouse buttons\n\t\tthis.mouseButtons = { LEFT: MOUSE.ROTATE, MIDDLE: MOUSE.DOLLY, RIGHT: MOUSE.PAN };\n\n\t\t// Touch fingers\n\t\tthis.touches = { ONE: TOUCH.ROTATE, TWO: TOUCH.DOLLY_PAN };\n\n\t\t// for reset\n\t\tthis.target0 = this.target.clone();\n\t\tthis.position0 = this.object.position.clone();\n\t\tthis.zoom0 = this.object.zoom;\n\n\t\t// the target DOM element for key events\n\t\tthis._domElementKeyEvents = null;\n\n\t\t//\n\t\t// public methods\n\t\t//\n\n\t\tthis.getPolarAngle = function () {\n\n\t\t\treturn spherical.phi;\n\n\t\t};\n\n\t\tthis.getAzimuthalAngle = function () {\n\n\t\t\treturn spherical.theta;\n\n\t\t};\n\n\t\tthis.getDistance = function () {\n\n\t\t\treturn this.object.position.distanceTo( this.target );\n\n\t\t};\n\n\t\tthis.listenToKeyEvents = function ( domElement ) {\n\n\t\t\tdomElement.addEventListener( 'keydown', onKeyDown );\n\t\t\tthis._domElementKeyEvents = domElement;\n\n\t\t};\n\n\t\tthis.saveState = function () {\n\n\t\t\tscope.target0.copy( scope.target );\n\t\t\tscope.position0.copy( scope.object.position );\n\t\t\tscope.zoom0 = scope.object.zoom;\n\n\t\t};\n\n\t\tthis.reset = function () {\n\n\t\t\tscope.target.copy( scope.target0 );\n\t\t\tscope.object.position.copy( scope.position0 );\n\t\t\tscope.object.zoom = scope.zoom0;\n\n\t\t\tscope.object.updateProjectionMatrix();\n\t\t\tscope.dispatchEvent( _changeEvent );\n\n\t\t\tscope.update();\n\n\t\t\tstate = STATE.NONE;\n\n\t\t};\n\n\t\t// this method is exposed, but perhaps it would be better if we can make it private...\n\t\tthis.update = function () {\n\n\t\t\tconst offset = new Vector3();\n\n\t\t\t// so camera.up is the orbit axis\n\t\t\tconst quat = new Quaternion().setFromUnitVectors( object.up, new Vector3( 0, 1, 0 ) );\n\t\t\tconst quatInverse = quat.clone().invert();\n\n\t\t\tconst lastPosition = new Vector3();\n\t\t\tconst lastQuaternion = new Quaternion();\n\n\t\t\tconst twoPI = 2 * Math.PI;\n\n\t\t\treturn function update() {\n\n\t\t\t\tconst position = scope.object.position;\n\n\t\t\t\toffset.copy( position ).sub( scope.target );\n\n\t\t\t\t// rotate offset to \"y-axis-is-up\" space\n\t\t\t\toffset.applyQuaternion( quat );\n\n\t\t\t\t// angle from z-axis around y-axis\n\t\t\t\tspherical.setFromVector3( offset );\n\n\t\t\t\tif ( scope.autoRotate && state === STATE.NONE ) {\n\n\t\t\t\t\trotateLeft( getAutoRotationAngle() );\n\n\t\t\t\t}\n\n\t\t\t\tif ( scope.enableDamping ) {\n\n\t\t\t\t\tspherical.theta += sphericalDelta.theta * scope.dampingFactor;\n\t\t\t\t\tspherical.phi += sphericalDelta.phi * scope.dampingFactor;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tspherical.theta += sphericalDelta.theta;\n\t\t\t\t\tspherical.phi += sphericalDelta.phi;\n\n\t\t\t\t}\n\n\t\t\t\t// restrict theta to be between desired limits\n\n\t\t\t\tlet min = scope.minAzimuthAngle;\n\t\t\t\tlet max = scope.maxAzimuthAngle;\n\n\t\t\t\tif ( isFinite( min ) && isFinite( max ) ) {\n\n\t\t\t\t\tif ( min < - Math.PI ) min += twoPI; else if ( min > Math.PI ) min -= twoPI;\n\n\t\t\t\t\tif ( max < - Math.PI ) max += twoPI; else if ( max > Math.PI ) max -= twoPI;\n\n\t\t\t\t\tif ( min <= max ) {\n\n\t\t\t\t\t\tspherical.theta = Math.max( min, Math.min( max, spherical.theta ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tspherical.theta = ( spherical.theta > ( min + max ) / 2 ) ?\n\t\t\t\t\t\t\tMath.max( min, spherical.theta ) :\n\t\t\t\t\t\t\tMath.min( max, spherical.theta );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// restrict phi to be between desired limits\n\t\t\t\tspherical.phi = Math.max( scope.minPolarAngle, Math.min( scope.maxPolarAngle, spherical.phi ) );\n\n\t\t\t\tspherical.makeSafe();\n\n\n\t\t\t\tspherical.radius *= scale;\n\n\t\t\t\t// restrict radius to be between desired limits\n\t\t\t\tspherical.radius = Math.max( scope.minDistance, Math.min( scope.maxDistance, spherical.radius ) );\n\n\t\t\t\t// move target to panned location\n\n\t\t\t\tif ( scope.enableDamping === true ) {\n\n\t\t\t\t\tscope.target.addScaledVector( panOffset, scope.dampingFactor );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tscope.target.add( panOffset );\n\n\t\t\t\t}\n\n\t\t\t\toffset.setFromSpherical( spherical );\n\n\t\t\t\t// rotate offset back to \"camera-up-vector-is-up\" space\n\t\t\t\toffset.applyQuaternion( quatInverse );\n\n\t\t\t\tposition.copy( scope.target ).add( offset );\n\n\t\t\t\tscope.object.lookAt( scope.target );\n\n\t\t\t\tif ( scope.enableDamping === true ) {\n\n\t\t\t\t\tsphericalDelta.theta *= ( 1 - scope.dampingFactor );\n\t\t\t\t\tsphericalDelta.phi *= ( 1 - scope.dampingFactor );\n\n\t\t\t\t\tpanOffset.multiplyScalar( 1 - scope.dampingFactor );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsphericalDelta.set( 0, 0, 0 );\n\n\t\t\t\t\tpanOffset.set( 0, 0, 0 );\n\n\t\t\t\t}\n\n\t\t\t\tscale = 1;\n\n\t\t\t\t// update condition is:\n\t\t\t\t// min(camera displacement, camera rotation in radians)^2 > EPS\n\t\t\t\t// using small-angle approximation cos(x/2) = 1 - x^2 / 8\n\n\t\t\t\tif ( zoomChanged ||\n\t\t\t\t\tlastPosition.distanceToSquared( scope.object.position ) > EPS ||\n\t\t\t\t\t8 * ( 1 - lastQuaternion.dot( scope.object.quaternion ) ) > EPS ) {\n\n\t\t\t\t\tscope.dispatchEvent( _changeEvent );\n\n\t\t\t\t\tlastPosition.copy( scope.object.position );\n\t\t\t\t\tlastQuaternion.copy( scope.object.quaternion );\n\t\t\t\t\tzoomChanged = false;\n\n\t\t\t\t\treturn true;\n\n\t\t\t\t}\n\n\t\t\t\treturn false;\n\n\t\t\t};\n\n\t\t}();\n\n\t\tthis.dispose = function () {\n\n\t\t\tscope.domElement.removeEventListener( 'contextmenu', onContextMenu );\n\n\t\t\tscope.domElement.removeEventListener( 'pointerdown', onPointerDown );\n\t\t\tscope.domElement.removeEventListener( 'pointercancel', onPointerCancel );\n\t\t\tscope.domElement.removeEventListener( 'wheel', onMouseWheel );\n\n\t\t\tscope.domElement.removeEventListener( 'pointermove', onPointerMove );\n\t\t\tscope.domElement.removeEventListener( 'pointerup', onPointerUp );\n\n\n\t\t\tif ( scope._domElementKeyEvents !== null ) {\n\n\t\t\t\tscope._domElementKeyEvents.removeEventListener( 'keydown', onKeyDown );\n\n\t\t\t}\n\n\t\t\t//scope.dispatchEvent( { type: 'dispose' } ); // should this be added here?\n\n\t\t};\n\n\t\t//\n\t\t// internals\n\t\t//\n\n\t\tconst scope = this;\n\n\t\tconst STATE = {\n\t\t\tNONE: - 1,\n\t\t\tROTATE: 0,\n\t\t\tDOLLY: 1,\n\t\t\tPAN: 2,\n\t\t\tTOUCH_ROTATE: 3,\n\t\t\tTOUCH_PAN: 4,\n\t\t\tTOUCH_DOLLY_PAN: 5,\n\t\t\tTOUCH_DOLLY_ROTATE: 6\n\t\t};\n\n\t\tlet state = STATE.NONE;\n\n\t\tconst EPS = 0.000001;\n\n\t\t// current position in spherical coordinates\n\t\tconst spherical = new Spherical();\n\t\tconst sphericalDelta = new Spherical();\n\n\t\tlet scale = 1;\n\t\tconst panOffset = new Vector3();\n\t\tlet zoomChanged = false;\n\n\t\tconst rotateStart = new Vector2();\n\t\tconst rotateEnd = new Vector2();\n\t\tconst rotateDelta = new Vector2();\n\n\t\tconst panStart = new Vector2();\n\t\tconst panEnd = new Vector2();\n\t\tconst panDelta = new Vector2();\n\n\t\tconst dollyStart = new Vector2();\n\t\tconst dollyEnd = new Vector2();\n\t\tconst dollyDelta = new Vector2();\n\n\t\tconst pointers = [];\n\t\tconst pointerPositions = {};\n\n\t\tfunction getAutoRotationAngle() {\n\n\t\t\treturn 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed;\n\n\t\t}\n\n\t\tfunction getZoomScale() {\n\n\t\t\treturn Math.pow( 0.95, scope.zoomSpeed );\n\n\t\t}\n\n\t\tfunction rotateLeft( angle ) {\n\n\t\t\tsphericalDelta.theta -= angle;\n\n\t\t}\n\n\t\tfunction rotateUp( angle ) {\n\n\t\t\tsphericalDelta.phi -= angle;\n\n\t\t}\n\n\t\tconst panLeft = function () {\n\n\t\t\tconst v = new Vector3();\n\n\t\t\treturn function panLeft( distance, objectMatrix ) {\n\n\t\t\t\tv.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix\n\t\t\t\tv.multiplyScalar( - distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\tconst panUp = function () {\n\n\t\t\tconst v = new Vector3();\n\n\t\t\treturn function panUp( distance, objectMatrix ) {\n\n\t\t\t\tif ( scope.screenSpacePanning === true ) {\n\n\t\t\t\t\tv.setFromMatrixColumn( objectMatrix, 1 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tv.setFromMatrixColumn( objectMatrix, 0 );\n\t\t\t\t\tv.crossVectors( scope.object.up, v );\n\n\t\t\t\t}\n\n\t\t\t\tv.multiplyScalar( distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\t// deltaX and deltaY are in pixels; right and down are positive\n\t\tconst pan = function () {\n\n\t\t\tconst offset = new Vector3();\n\n\t\t\treturn function pan( deltaX, deltaY ) {\n\n\t\t\t\tconst element = scope.domElement;\n\n\t\t\t\tif ( scope.object.isPerspectiveCamera ) {\n\n\t\t\t\t\t// perspective\n\t\t\t\t\tconst position = scope.object.position;\n\t\t\t\t\toffset.copy( position ).sub( scope.target );\n\t\t\t\t\tlet targetDistance = offset.length();\n\n\t\t\t\t\t// half of the fov is center to top of screen\n\t\t\t\t\ttargetDistance *= Math.tan( ( scope.object.fov / 2 ) * Math.PI / 180.0 );\n\n\t\t\t\t\t// we use only clientHeight here so aspect ratio does not distort speed\n\t\t\t\t\tpanLeft( 2 * deltaX * targetDistance / element.clientHeight, scope.object.matrix );\n\t\t\t\t\tpanUp( 2 * deltaY * targetDistance / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else if ( scope.object.isOrthographicCamera ) {\n\n\t\t\t\t\t// orthographic\n\t\t\t\t\tpanLeft( deltaX * ( scope.object.right - scope.object.left ) / scope.object.zoom / element.clientWidth, scope.object.matrix );\n\t\t\t\t\tpanUp( deltaY * ( scope.object.top - scope.object.bottom ) / scope.object.zoom / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// camera neither orthographic nor perspective\n\t\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' );\n\t\t\t\t\tscope.enablePan = false;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}();\n\n\t\tfunction dollyOut( dollyScale ) {\n\n\t\t\tif ( scope.object.isPerspectiveCamera ) {\n\n\t\t\t\tscale /= dollyScale;\n\n\t\t\t} else if ( scope.object.isOrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom * dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction dollyIn( dollyScale ) {\n\n\t\t\tif ( scope.object.isPerspectiveCamera ) {\n\n\t\t\t\tscale *= dollyScale;\n\n\t\t\t} else if ( scope.object.isOrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom / dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\t\t// event callbacks - update the object state\n\t\t//\n\n\t\tfunction handleMouseDownRotate( event ) {\n\n\t\t\trotateStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownDolly( event ) {\n\n\t\t\tdollyStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownPan( event ) {\n\n\t\t\tpanStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseMoveRotate( event ) {\n\n\t\t\trotateEnd.set( event.clientX, event.clientY );\n\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart ).multiplyScalar( scope.rotateSpeed );\n\n\t\t\tconst element = scope.domElement;\n\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientHeight ); // yes, height\n\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMoveDolly( event ) {\n\n\t\t\tdollyEnd.set( event.clientX, event.clientY );\n\n\t\t\tdollyDelta.subVectors( dollyEnd, dollyStart );\n\n\t\t\tif ( dollyDelta.y > 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t} else if ( dollyDelta.y < 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMovePan( event ) {\n\n\t\t\tpanEnd.set( event.clientX, event.clientY );\n\n\t\t\tpanDelta.subVectors( panEnd, panStart ).multiplyScalar( scope.panSpeed );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseWheel( event ) {\n\n\t\t\tif ( event.deltaY < 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t} else if ( event.deltaY > 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleKeyDown( event ) {\n\n\t\t\tlet needsUpdate = false;\n\n\t\t\tswitch ( event.code ) {\n\n\t\t\t\tcase scope.keys.UP:\n\t\t\t\t\tpan( 0, scope.keyPanSpeed );\n\t\t\t\t\tneedsUpdate = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.BOTTOM:\n\t\t\t\t\tpan( 0, - scope.keyPanSpeed );\n\t\t\t\t\tneedsUpdate = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.LEFT:\n\t\t\t\t\tpan( scope.keyPanSpeed, 0 );\n\t\t\t\t\tneedsUpdate = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.RIGHT:\n\t\t\t\t\tpan( - scope.keyPanSpeed, 0 );\n\t\t\t\t\tneedsUpdate = true;\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( needsUpdate ) {\n\n\t\t\t\t// prevent the browser from scrolling on cursor keys\n\t\t\t\tevent.preventDefault();\n\n\t\t\t\tscope.update();\n\n\t\t\t}\n\n\n\t\t}\n\n\t\tfunction handleTouchStartRotate() {\n\n\t\t\tif ( pointers.length === 1 ) {\n\n\t\t\t\trotateStart.set( pointers[ 0 ].pageX, pointers[ 0 ].pageY );\n\n\t\t\t} else {\n\n\t\t\t\tconst x = 0.5 * ( pointers[ 0 ].pageX + pointers[ 1 ].pageX );\n\t\t\t\tconst y = 0.5 * ( pointers[ 0 ].pageY + pointers[ 1 ].pageY );\n\n\t\t\t\trotateStart.set( x, y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction handleTouchStartPan() {\n\n\t\t\tif ( pointers.length === 1 ) {\n\n\t\t\t\tpanStart.set( pointers[ 0 ].pageX, pointers[ 0 ].pageY );\n\n\t\t\t} else {\n\n\t\t\t\tconst x = 0.5 * ( pointers[ 0 ].pageX + pointers[ 1 ].pageX );\n\t\t\t\tconst y = 0.5 * ( pointers[ 0 ].pageY + pointers[ 1 ].pageY );\n\n\t\t\t\tpanStart.set( x, y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction handleTouchStartDolly() {\n\n\t\t\tconst dx = pointers[ 0 ].pageX - pointers[ 1 ].pageX;\n\t\t\tconst dy = pointers[ 0 ].pageY - pointers[ 1 ].pageY;\n\n\t\t\tconst distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyStart.set( 0, distance );\n\n\t\t}\n\n\t\tfunction handleTouchStartDollyPan() {\n\n\t\t\tif ( scope.enableZoom ) handleTouchStartDolly();\n\n\t\t\tif ( scope.enablePan ) handleTouchStartPan();\n\n\t\t}\n\n\t\tfunction handleTouchStartDollyRotate() {\n\n\t\t\tif ( scope.enableZoom ) handleTouchStartDolly();\n\n\t\t\tif ( scope.enableRotate ) handleTouchStartRotate();\n\n\t\t}\n\n\t\tfunction handleTouchMoveRotate( event ) {\n\n\t\t\tif ( pointers.length == 1 ) {\n\n\t\t\t\trotateEnd.set( event.pageX, event.pageY );\n\n\t\t\t} else {\n\n\t\t\t\tconst position = getSecondPointerPosition( event );\n\n\t\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\t\trotateEnd.set( x, y );\n\n\t\t\t}\n\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart ).multiplyScalar( scope.rotateSpeed );\n\n\t\t\tconst element = scope.domElement;\n\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientHeight ); // yes, height\n\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t}\n\n\t\tfunction handleTouchMovePan( event ) {\n\n\t\t\tif ( pointers.length === 1 ) {\n\n\t\t\t\tpanEnd.set( event.pageX, event.pageY );\n\n\t\t\t} else {\n\n\t\t\t\tconst position = getSecondPointerPosition( event );\n\n\t\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\t\tpanEnd.set( x, y );\n\n\t\t\t}\n\n\t\t\tpanDelta.subVectors( panEnd, panStart ).multiplyScalar( scope.panSpeed );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t}\n\n\t\tfunction handleTouchMoveDolly( event ) {\n\n\t\t\tconst position = getSecondPointerPosition( event );\n\n\t\t\tconst dx = event.pageX - position.x;\n\t\t\tconst dy = event.pageY - position.y;\n\n\t\t\tconst distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyEnd.set( 0, distance );\n\n\t\t\tdollyDelta.set( 0, Math.pow( dollyEnd.y / dollyStart.y, scope.zoomSpeed ) );\n\n\t\t\tdollyOut( dollyDelta.y );\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t}\n\n\t\tfunction handleTouchMoveDollyPan( event ) {\n\n\t\t\tif ( scope.enableZoom ) handleTouchMoveDolly( event );\n\n\t\t\tif ( scope.enablePan ) handleTouchMovePan( event );\n\n\t\t}\n\n\t\tfunction handleTouchMoveDollyRotate( event ) {\n\n\t\t\tif ( scope.enableZoom ) handleTouchMoveDolly( event );\n\n\t\t\tif ( scope.enableRotate ) handleTouchMoveRotate( event );\n\n\t\t}\n\n\t\t//\n\t\t// event handlers - FSM: listen for events and reset state\n\t\t//\n\n\t\tfunction onPointerDown( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tif ( pointers.length === 0 ) {\n\n\t\t\t\tscope.domElement.setPointerCapture( event.pointerId );\n\n\t\t\t\tscope.domElement.addEventListener( 'pointermove', onPointerMove );\n\t\t\t\tscope.domElement.addEventListener( 'pointerup', onPointerUp );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\taddPointer( event );\n\n\t\t\tif ( event.pointerType === 'touch' ) {\n\n\t\t\t\tonTouchStart( event );\n\n\t\t\t} else {\n\n\t\t\t\tonMouseDown( event );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onPointerMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tif ( event.pointerType === 'touch' ) {\n\n\t\t\t\tonTouchMove( event );\n\n\t\t\t} else {\n\n\t\t\t\tonMouseMove( event );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onPointerUp( event ) {\n\n\t\t removePointer( event );\n\n\t\t if ( pointers.length === 0 ) {\n\n\t\t scope.domElement.releasePointerCapture( event.pointerId );\n\n\t\t scope.domElement.removeEventListener( 'pointermove', onPointerMove );\n\t\t scope.domElement.removeEventListener( 'pointerup', onPointerUp );\n\n\t\t }\n\n\t\t scope.dispatchEvent( _endEvent );\n\n\t\t state = STATE.NONE;\n\n\t\t}\n\n\t\tfunction onPointerCancel( event ) {\n\n\t\t\tremovePointer( event );\n\n\t\t}\n\n\t\tfunction onMouseDown( event ) {\n\n\t\t\tlet mouseAction;\n\n\t\t\tswitch ( event.button ) {\n\n\t\t\t\tcase 0:\n\n\t\t\t\t\tmouseAction = scope.mouseButtons.LEFT;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 1:\n\n\t\t\t\t\tmouseAction = scope.mouseButtons.MIDDLE;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2:\n\n\t\t\t\t\tmouseAction = scope.mouseButtons.RIGHT;\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tmouseAction = - 1;\n\n\t\t\t}\n\n\t\t\tswitch ( mouseAction ) {\n\n\t\t\t\tcase MOUSE.DOLLY:\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\t\thandleMouseDownDolly( event );\n\n\t\t\t\t\tstate = STATE.DOLLY;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MOUSE.ROTATE:\n\n\t\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\t\thandleMouseDownPan( event );\n\n\t\t\t\t\t\tstate = STATE.PAN;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\t\thandleMouseDownRotate( event );\n\n\t\t\t\t\t\tstate = STATE.ROTATE;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MOUSE.PAN:\n\n\t\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\t\thandleMouseDownRotate( event );\n\n\t\t\t\t\t\tstate = STATE.ROTATE;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\t\thandleMouseDownPan( event );\n\n\t\t\t\t\t\tstate = STATE.PAN;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tscope.dispatchEvent( _startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tswitch ( state ) {\n\n\t\t\t\tcase STATE.ROTATE:\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\thandleMouseMoveRotate( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.DOLLY:\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\t\thandleMouseMoveDolly( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.PAN:\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\thandleMouseMovePan( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseWheel( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enableZoom === false || state !== STATE.NONE ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t\tscope.dispatchEvent( _startEvent );\n\n\t\t\thandleMouseWheel( event );\n\n\t\t\tscope.dispatchEvent( _endEvent );\n\n\t\t}\n\n\t\tfunction onKeyDown( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enablePan === false ) return;\n\n\t\t\thandleKeyDown( event );\n\n\t\t}\n\n\t\tfunction onTouchStart( event ) {\n\n\t\t\ttrackPointer( event );\n\n\t\t\tswitch ( pointers.length ) {\n\n\t\t\t\tcase 1:\n\n\t\t\t\t\tswitch ( scope.touches.ONE ) {\n\n\t\t\t\t\t\tcase TOUCH.ROTATE:\n\n\t\t\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\t\t\thandleTouchStartRotate();\n\n\t\t\t\t\t\t\tstate = STATE.TOUCH_ROTATE;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TOUCH.PAN:\n\n\t\t\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\t\t\thandleTouchStartPan();\n\n\t\t\t\t\t\t\tstate = STATE.TOUCH_PAN;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2:\n\n\t\t\t\t\tswitch ( scope.touches.TWO ) {\n\n\t\t\t\t\t\tcase TOUCH.DOLLY_PAN:\n\n\t\t\t\t\t\t\tif ( scope.enableZoom === false && scope.enablePan === false ) return;\n\n\t\t\t\t\t\t\thandleTouchStartDollyPan();\n\n\t\t\t\t\t\t\tstate = STATE.TOUCH_DOLLY_PAN;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TOUCH.DOLLY_ROTATE:\n\n\t\t\t\t\t\t\tif ( scope.enableZoom === false && scope.enableRotate === false ) return;\n\n\t\t\t\t\t\t\thandleTouchStartDollyRotate();\n\n\t\t\t\t\t\t\tstate = STATE.TOUCH_DOLLY_ROTATE;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tscope.dispatchEvent( _startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onTouchMove( event ) {\n\n\t\t\ttrackPointer( event );\n\n\t\t\tswitch ( state ) {\n\n\t\t\t\tcase STATE.TOUCH_ROTATE:\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\thandleTouchMoveRotate( event );\n\n\t\t\t\t\tscope.update();\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.TOUCH_PAN:\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\thandleTouchMovePan( event );\n\n\t\t\t\t\tscope.update();\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.TOUCH_DOLLY_PAN:\n\n\t\t\t\t\tif ( scope.enableZoom === false && scope.enablePan === false ) return;\n\n\t\t\t\t\thandleTouchMoveDollyPan( event );\n\n\t\t\t\t\tscope.update();\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.TOUCH_DOLLY_ROTATE:\n\n\t\t\t\t\tif ( scope.enableZoom === false && scope.enableRotate === false ) return;\n\n\t\t\t\t\thandleTouchMoveDollyRotate( event );\n\n\t\t\t\t\tscope.update();\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onContextMenu( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t}\n\n\t\tfunction addPointer( event ) {\n\n\t\t\tpointers.push( event );\n\n\t\t}\n\n\t\tfunction removePointer( event ) {\n\n\t\t\tdelete pointerPositions[ event.pointerId ];\n\n\t\t\tfor ( let i = 0; i < pointers.length; i ++ ) {\n\n\t\t\t\tif ( pointers[ i ].pointerId == event.pointerId ) {\n\n\t\t\t\t\tpointers.splice( i, 1 );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction trackPointer( event ) {\n\n\t\t\tlet position = pointerPositions[ event.pointerId ];\n\n\t\t\tif ( position === undefined ) {\n\n\t\t\t\tposition = new Vector2();\n\t\t\t\tpointerPositions[ event.pointerId ] = position;\n\n\t\t\t}\n\n\t\t\tposition.set( event.pageX, event.pageY );\n\n\t\t}\n\n\t\tfunction getSecondPointerPosition( event ) {\n\n\t\t\tconst pointer = ( event.pointerId === pointers[ 0 ].pointerId ) ? pointers[ 1 ] : pointers[ 0 ];\n\n\t\t\treturn pointerPositions[ pointer.pointerId ];\n\n\t\t}\n\n\t\t//\n\n\t\tscope.domElement.addEventListener( 'contextmenu', onContextMenu );\n\n\t\tscope.domElement.addEventListener( 'pointerdown', onPointerDown );\n\t\tscope.domElement.addEventListener( 'pointercancel', onPointerCancel );\n\t\tscope.domElement.addEventListener( 'wheel', onMouseWheel, { passive: false } );\n\n\t\t// force an update at start\n\n\t\tthis.update();\n\n\t}\n\n}\n\n\n// This set of controls performs orbiting, dollying (zooming), and panning.\n// Unlike TrackballControls, it maintains the \"up\" direction object.up (+Y by default).\n// This is very similar to OrbitControls, another set of touch behavior\n//\n// Orbit - right mouse, or left mouse + ctrl/meta/shiftKey / touch: two-finger rotate\n// Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish\n// Pan - left mouse, or arrow keys / touch: one-finger move\n\nclass MapControls extends OrbitControls {\n\n\tconstructor( object, domElement ) {\n\n\t\tsuper( object, domElement );\n\n\t\tthis.screenSpacePanning = false; // pan orthogonal to world-space direction camera.up\n\n\t\tthis.mouseButtons.LEFT = MOUSE.PAN;\n\t\tthis.mouseButtons.RIGHT = MOUSE.ROTATE;\n\n\t\tthis.touches.ONE = TOUCH.PAN;\n\t\tthis.touches.TWO = TOUCH.DOLLY_ROTATE;\n\n\t}\n\n}\n\nexport { OrbitControls, MapControls };\n", "import type { Vector3 } from 'three';\n\nimport type { Coordinate3d, CoordinateXYZ } from './Coordinates';\n\nlet scaleFactor = 1.0;\n\n/**\n * Set the number of units per AU.\n */\nexport function setScaleFactor(val: number) {\n scaleFactor = val;\n}\n\n/**\n * Get the number of units per AU.\n */\nexport function getScaleFactor(): number {\n return scaleFactor;\n}\n\nexport function rescalePos(pos: CoordinateXYZ): CoordinateXYZ {\n pos.x *= scaleFactor;\n pos.y *= scaleFactor;\n pos.z *= scaleFactor;\n return pos;\n}\n\nexport function rescaleArray(XYZ: Coordinate3d): Coordinate3d {\n return [XYZ[0] * scaleFactor, XYZ[1] * scaleFactor, XYZ[2] * scaleFactor];\n}\n\nexport function rescaleXYZ(X: number, Y: number, Z: number): Coordinate3d {\n return [X * scaleFactor, Y * scaleFactor, Z * scaleFactor];\n}\n\nexport function rescaleVector(vec: Vector3): Vector3 {\n return vec.multiplyScalar(scaleFactor);\n}\n\nexport function rescaleNumber(x: number): number {\n return scaleFactor * x;\n}\n", "import * as THREE from 'three';\nimport { OrbitControls } from 'three/examples/jsm/controls/OrbitControls';\nimport type { PerspectiveCamera } from 'three';\n\nimport { rescaleNumber, rescaleArray } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\nimport type { SimulationContext } from './Simulation';\nimport type { SpaceObject } from './SpaceObject';\n\n/**\n * A wrapper for Three.js camera and controls.\n * TODO(ian): Rename to \"Viewer\"\n */\nexport default class Camera {\n private context: SimulationContext;\n\n private camera: PerspectiveCamera;\n\n private cameraControls: OrbitControls;\n\n private followMesh?: THREE.Object3D;\n\n /**\n * @param {Object} context The simulation context\n */\n constructor(context: SimulationContext) {\n // TODO(ian): Accept either context or container\n this.context = context;\n\n // Optional mesh that we are following.\n this.followMesh = undefined;\n\n const containerWidth = this.context.container.width;\n const containerHeight = this.context.container.height;\n\n const camera = new THREE.PerspectiveCamera(\n 50,\n containerWidth / containerHeight,\n rescaleNumber(0.00001),\n rescaleNumber(2000),\n );\n this.camera = camera;\n\n // Controls\n // TODO(ian): Set maxDistance to prevent camera farplane cutoff.\n // See https://discourse.threejs.org/t/camera-zoom-to-fit-object/936/6\n\n // TODO(ian): Access this better\n const renderer = this.context.simulation.getRenderer();\n\n const controls = new OrbitControls(this.camera, renderer.domElement);\n controls.enableDamping = true;\n controls.dampingFactor = 0.05;\n controls.enablePan = true;\n controls.zoomSpeed = 1.5;\n controls.panSpeed = 2;\n controls.rotateSpeed = 2;\n controls.mouseButtons = {\n LEFT: THREE.MOUSE.ROTATE,\n MIDDLE: THREE.MOUSE.DOLLY,\n RIGHT: THREE.MOUSE.PAN,\n };\n controls.touches = {\n ONE: THREE.TOUCH.ROTATE,\n TWO: THREE.TOUCH.DOLLY_ROTATE,\n };\n this.cameraControls = controls;\n }\n\n /**\n * Move the camera to follow a SpaceObject as it moves. Currently only works\n * for non-particlesystems.\n * @param {SpaceObject} obj SpaceObject to follow.\n * @param {Array.} position Position of the camera with respect to\n * the object.\n */\n followObject(obj: SpaceObject, position: Coordinate3d) {\n const followMesh = obj.get3jsObjects()[0];\n\n this.cameraControls.enablePan = false;\n\n const rescaled = rescaleArray(position);\n this.camera.position.add(\n new THREE.Vector3(rescaled[0], rescaled[1], rescaled[2]),\n );\n\n this.cameraControls.update();\n this.followMesh = followMesh;\n }\n\n /**\n * Stop the camera from following the object.\n */\n stopFollowingObject() {\n if (this.followMesh) {\n this.followMesh.remove(this.camera);\n this.followMesh = undefined;\n this.cameraControls.enablePan = true;\n }\n }\n\n /**\n * @returns {boolean} True if camera is following object.\n */\n isFollowingObject(): boolean {\n return !!this.followMesh;\n }\n\n /**\n * @returns {THREE.PerspectiveCamera} The THREE.js camera object.\n */\n get3jsCamera(): THREE.PerspectiveCamera {\n return this.camera;\n }\n\n /**\n * @returns {THREE.OrbitControls} The THREE.js CameraControls object.\n */\n get3jsCameraControls(): OrbitControls {\n return this.cameraControls;\n }\n\n /**\n * Update the camera position and process control inputs.\n */\n update() {\n if (this.isFollowingObject()) {\n const newpos = this.followMesh!.position.clone();\n\n const offset = newpos.clone().sub(this.cameraControls.target);\n this.camera.position.add(offset);\n\n this.cameraControls.target.set(newpos.x, newpos.y, newpos.z);\n }\n\n // Handle control movements\n this.cameraControls.update();\n\n // Update camera matrix\n this.camera.updateMatrixWorld();\n }\n}\n", "export default class Units {\n static rad(val: number): number {\n return (val * Math.PI) / 180;\n }\n\n static deg(val: number): number {\n return (val * 180) / Math.PI;\n }\n\n static hoursToDeg(val: number): number {\n return val * 15.0;\n }\n\n static sexagesimalToDecimalRa(\n raHour: number,\n raMin: number,\n raSec: number,\n ): number {\n // https://astronomy.stackexchange.com/questions/24518/convert-a-decimal-into-ra-or-dec\n return raHour * 15.0 + raMin / 4.0 + raSec / 240.0;\n }\n\n static sexagesimalToDecimalDec(\n decDeg: number,\n decMin: number,\n decSec: number,\n isObserverBelowEquator: boolean = false,\n ): number {\n const posneg = isObserverBelowEquator ? -1 : 1;\n return decDeg + decMin / 60.0 + (posneg * decSec) / 3600.0;\n }\n\n static valToSexagesimalRa(val: number): [number, number, number] {\n const raHour = Math.trunc(val / 15.0);\n const raMin = Math.trunc((val - raHour * 15.0) * 4.0);\n const raSec = (val - raHour * 15.0 - raMin / 4.0) * 240.0;\n return [raHour, raMin, raSec];\n }\n\n static decimalToSexagesimalDec(\n val: number,\n isObserverBelowEquator: boolean = false,\n ) {\n const posneg = isObserverBelowEquator ? -1 : 1;\n\n const decDeg = Math.trunc(val);\n const decMin = Math.trunc((val - posneg * decDeg) * 60.0 * posneg);\n const decSec =\n (val - posneg * decDeg - (posneg * decMin) / 60.0) * 3600.0 * posneg;\n return [decDeg, decMin, decSec];\n }\n\n static kmToAu(km: number): number {\n return km / 149597870.7;\n }\n\n static auToKm(au: number): number {\n return au * 149597870.7;\n }\n}\n", "import Units from './Units';\n\nexport type Coordinate3d = [number, number, number];\nexport type CoordinateXYZ = {\n x: number;\n y: number;\n z: number;\n};\n\nconst J2000: number = 2451545.0;\n\nexport default class Coordinates {\n static sphericalToCartesian(\n ra: number,\n dec: number,\n dist: number,\n ): Coordinate3d {\n // See http://www.stargazing.net/kepler/rectang.html\n return [\n dist * Math.cos(ra) * Math.cos(dec),\n dist * Math.sin(ra) * Math.cos(dec),\n dist * Math.sin(dec),\n ];\n }\n\n /**\n * See https://en.wikipedia.org/wiki/Ecliptic_coordinate_system#Converting_Cartesian_vector\n */\n static equatorialToEcliptic_Cartesian(\n x: number,\n y: number,\n z: number,\n tilt: number,\n ): Coordinate3d {\n return [\n x,\n Math.cos(tilt) * y + Math.sin(tilt) * z,\n -Math.sin(tilt) * y + Math.cos(tilt) * z,\n ];\n }\n\n static eclipticToEquatorial_Cartesian(\n x: number,\n y: number,\n z: number,\n tilt: number,\n ): Coordinate3d {\n return [\n x,\n Math.cos(tilt) * y + -Math.sin(tilt) * z,\n Math.sin(tilt) * y + Math.cos(tilt) * z,\n ];\n }\n\n /**\n * Get Earth's obliquity and nutation at a given date.\n * @param {Number} jd JD date\n * @return {Object} Object with attributes \"obliquity\" and \"nutation\" provided\n * in radians\n */\n static getNutationAndObliquity(jd: number = J2000): {\n nutation: number;\n obliquity: number;\n } {\n const t = (jd - J2000) / 36525;\n const omega = Units.rad(\n 125.04452 - 1934.136261 * t + 0.0020708 * t * t + (t * t + t) / 450000,\n );\n const Lsun = Units.rad(280.4665 + 36000.7698 * t);\n const Lmoon = Units.rad(218.3165 + 481267.8813 * t);\n\n const nutation =\n (-17.2 / 3600) * Math.sin(omega) -\n (-1.32 / 3600) * Math.sin(2 * Lsun) -\n (0.23 / 3600) * Math.sin(2 * Lmoon) +\n Units.deg((0.21 / 3600) * Math.sin(2 * omega));\n\n const obliquity_zero =\n 23 +\n 26.0 / 60 +\n 21.448 / 3600 -\n (46.815 / 3600) * t -\n (0.00059 / 3600) * t * t +\n (0.001813 / 3600) * t * t * t;\n const obliquity_delta =\n (9.2 / 3600) * Math.cos(omega) +\n (0.57 / 3600) * Math.cos(2 * Lsun) +\n (0.1 / 3600) * Math.cos(2 * Lmoon) -\n (0.09 / 3600) * Math.cos(2 * omega);\n const obliquity = obliquity_zero + obliquity_delta;\n\n return {\n nutation: Units.rad(nutation),\n obliquity: Units.rad(obliquity),\n };\n }\n\n /**\n * Get Earth's obliquity at a given date.\n * @param {Number} jd JD date\n * @return {Number} Obliquity in radians\n */\n static getObliquity(jd: number = J2000): number {\n return this.getNutationAndObliquity(jd).obliquity;\n }\n}\n", "const METERS_IN_AU = 149597870700;\nconst SECONDS_IN_DAY = 86400;\n\ntype EphemAttribute =\n | 'a'\n | 'e'\n | 'i'\n | 'q'\n | 'epoch'\n | 'period'\n | 'tp'\n | 'ma'\n | 'n'\n | 'L'\n | 'om'\n | 'w'\n | 'wBar'\n | 'GM';\n\ninterface EphemAttributes {\n a?: number;\n e?: number;\n i?: number;\n q?: number;\n epoch?: number;\n period?: number;\n tp?: number;\n\n ma?: number;\n n?: number;\n L?: number;\n om?: number;\n w?: number;\n wBar?: number;\n GM?: number;\n}\n\n// TODO(ian): Allow multiple valid attrs for a single quantity and map them\n// internally to a single canonical attribute.\nconst EPHEM_VALID_ATTRS: Set = new Set([\n 'a', // Semi-major axis\n 'e', // Eccentricity\n 'i', // Inclination\n 'q', // Perihelion distance\n\n 'epoch',\n 'period', // in days\n 'tp', // time of perihelion\n\n 'ma', // Mean anomaly\n 'n', // Mean motion\n 'L', // Mean longitude\n\n 'om', // Longitude of Ascending Node\n 'w', // Argument of Perihelion = Longitude of Perihelion - Longitude of Ascending Node\n 'wBar', // Longitude of Perihelion = Longitude of Ascending Node + Argument of Perihelion\n\n 'GM', // Gravitational constant of more massive body\n]);\n\n// Which of these are angular measurements.\nconst ANGLE_UNITS: Set = new Set([\n 'i',\n 'ma',\n 'n',\n 'L',\n 'om',\n 'w',\n 'wBar',\n]);\n\n/**\n * Standard gravitational parameter for objects orbiting these bodies.\n * Units in m^3/s^2\n */\nexport const GM: {\n SUN: number;\n MERCURY: number;\n VENUS: number;\n EARTH_MOON: number;\n MARS: number;\n JUPITER: number;\n SATURN: number;\n URANUS: number;\n NEPTUNE: number;\n PLUTO_CHARON: number;\n} = {\n // See https://space.stackexchange.com/questions/22948/where-to-find-the-best-values-for-standard-gravitational-parameters-of-solar-sys and https://naif.jpl.nasa.gov/pub/naif/generic_kernels/pck/gm_de431.tpc\n SUN: 1.3271244004193938e20,\n MERCURY: 2.2031780000000021e13,\n VENUS: 3.2485859200000006e14,\n EARTH_MOON: 4.0350323550225981e14,\n MARS: 4.2828375214000022e13,\n JUPITER: 1.2671276480000021e17,\n SATURN: 3.7940585200000003e16,\n URANUS: 5.794548600000008e15,\n NEPTUNE: 6.8365271005800236e15,\n PLUTO_CHARON: 9.7700000000000068e11,\n};\n\n// Returns true if object is a number.\nfunction isDef(obj?: number) {\n return typeof obj !== 'undefined' && Number.isFinite(obj);\n}\n\n/**\n * A class representing Kepler ephemerides.\n * @example\n * ```\n * const NEPTUNE = new Ephem({\n * epoch: 2458426.500000000,\n * a: 3.009622263428050E+01,\n * e: 7.362571187193770E-03,\n * i: 1.774569249829094E+00,\n * om: 1.318695882492132E+02,\n * w: 2.586226409499831E+02,\n * ma: 3.152804988924479E+02,\n * }, 'deg'),\n * ```\n */\nexport class Ephem {\n private attrs: EphemAttributes;\n\n private locked: boolean;\n\n /**\n * @param {Object} initialValues A dictionary of initial values. Not all values\n * are required as some may be inferred from others.\n * @param {Number} initialValues.a Semimajor axis\n * @param {Number} initialValues.e Eccentricity\n * @param {Number} initialValues.i Inclination\n * @param {Number} initialValues.epoch Epoch in JD\n * @param {Number} initialValues.period Period in days\n * @param {Number} initialValues.ma Mean anomaly\n * @param {Number} initialValues.n Mean motion\n * @param {Number} initialValues.L Mean longitude\n * @param {Number} initialValues.om Longitude of Ascending Node\n * @param {Number} initialValues.w Argument of Perihelion\n * @param {Number} initialValues.wBar Longitude of Perihelion\n * @param {GM} initialValues.GM Standard gravitational parameter in km^3/s^2.\n * Defaults to GM.SUN. @see {GM}\n * @param {'deg'|'rad'} units The unit of angles in the list of initial values.\n */\n constructor(\n initialValues: EphemAttributes,\n units: 'rad' | 'deg' = 'rad',\n locked: boolean = false,\n ) {\n this.attrs = {};\n this.locked = false;\n\n for (const attr in initialValues) {\n if (initialValues.hasOwnProperty(attr)) {\n const actualUnits = ANGLE_UNITS.has(attr) ? units : null;\n this.set(\n attr as EphemAttribute,\n initialValues[attr as keyof EphemAttributes] as number,\n actualUnits as 'rad' | 'deg',\n );\n }\n }\n\n if (typeof this.attrs.GM === 'undefined') {\n this.attrs.GM = GM.SUN;\n }\n this.fill();\n\n if (this.get('e') > 0.9 && typeof this.getUnsafe('tp') === 'undefined') {\n console.warn(\n 'You must specify \"tp\" (time of perihelion) for highly eccentric orbits',\n );\n }\n\n this.locked = locked;\n }\n\n /**\n * Sets an ephemerides attribute.\n * @param {String} attr The name of the attribute (e.g. 'a')\n * @param {Number} val The value of the attribute (e.g. 0.5)\n * @param {'deg'|'rad'} units The unit of angle provided, if applicable.\n */\n set(attr: EphemAttribute, val: number, units: 'deg' | 'rad' = 'rad') {\n if (this.locked) {\n throw new Error('Attempted to modify locked (immutable) Ephem object');\n }\n\n if (!EPHEM_VALID_ATTRS.has(attr)) {\n console.warn(`Invalid ephem attr: ${attr}`);\n return false;\n }\n\n // Store everything in radians.\n // TODO(ian): Make sure value can't be set with bogus units.\n if (units === 'deg') {\n this.attrs[attr] = (val * Math.PI) / 180;\n } else {\n this.attrs[attr] = val;\n }\n return true;\n }\n\n /**\n * Gets an ephemerides attribute, but may return undefined if it's not set.\n * @param {String} attr The name of the attribute (e.g. 'a')\n * @param {'deg'|'rad'} units The unit of angle desired, if applicable. This\n * input is ignored for values that are not angle measurements.\n * @return {Number} Ephemeris attribute value, or undefined\n */\n getUnsafe(\n attr: EphemAttribute,\n units: 'deg' | 'rad' = 'rad',\n ): number | undefined {\n if (units === 'deg') {\n const attrVal = this.attrs[attr];\n if (typeof attrVal === 'undefined') {\n return undefined;\n }\n return (attrVal * 180) / Math.PI;\n }\n return this.attrs[attr];\n }\n\n /**\n * Gets an ephemerides attribute.\n * @param {String} attr The name of the attribute (e.g. 'a')\n * @param {'deg'|'rad'} units The unit of angle desired, if applicable. This\n * input is ignored for values that are not angle measurements.\n * @return {Number} Ephemeris attribute value\n */\n get(attr: EphemAttribute, units: 'deg' | 'rad' = 'rad'): number {\n const retVal = this.getUnsafe(attr, units);\n if (typeof retVal === 'undefined') {\n console.info(this.attrs);\n throw new Error(\n `Attempted to get ephemeris value '${attr}' but it was undefined`,\n );\n }\n return retVal;\n }\n\n /**\n * @private\n * Infers values of some ephemerides attributes if the required information\n * is available.\n */\n private fill() {\n // Perihelion distance and semimajor axis\n const e = this.getUnsafe('e');\n if (!isDef(e)) {\n console.info(this.attrs);\n throw new Error('Must define eccentricity \"e\" in an orbit');\n }\n\n // Semimajor axis and perihelion distance\n let a = this.getUnsafe('a');\n let q = this.getUnsafe('q');\n if (isDef(a)) {\n if (!isDef(q)) {\n if (e! >= 1.0) {\n throw new Error(\n 'Must provide perihelion distance \"q\" if eccentricity \"e\" is greater than 1',\n );\n }\n q = a! * (1.0 - e!);\n this.set('q', q);\n }\n } else if (isDef(q)) {\n a = q! / (1.0 - e!);\n this.set('a', a);\n } else {\n throw new Error(\n 'Must define semimajor axis \"a\" or perihelion distance \"q\" in an orbit',\n );\n }\n\n // Longitude/Argument of Perihelion and Long. of Ascending Node\n let w = this.getUnsafe('w');\n let wBar = this.getUnsafe('wBar');\n let om = this.getUnsafe('om');\n if (isDef(w) && isDef(om) && !isDef(wBar)) {\n wBar = w! + om!;\n this.set('wBar', wBar);\n } else if (isDef(wBar) && isDef(om) && !isDef(w)) {\n w = wBar! - om!;\n this.set('w', w);\n } else if (isDef(w) && isDef(wBar) && !isDef(om)) {\n om = wBar! - w!;\n this.set('om', om);\n }\n\n // Mean motion and period\n const aMeters = a! * METERS_IN_AU;\n const n = this.getUnsafe('n');\n const GM = this.getUnsafe('GM');\n let period = this.getUnsafe('period');\n\n if (!isDef(period) && isDef(a)) {\n if (!isDef(GM)) {\n throw new Error('Expected ephemeris attribute GM to be set');\n }\n period =\n (2 * Math.PI * Math.sqrt((aMeters * aMeters * aMeters) / GM!)) /\n SECONDS_IN_DAY;\n this.set('period', period);\n }\n\n if (e! < 1.0) {\n // Only work with mean motion for elliptical orbits.\n if (isDef(period) && !isDef(n)) {\n // Set radians\n const newN = (2.0 * Math.PI) / period!;\n this.set('n', newN);\n } else if (isDef(n) && !isDef(period)) {\n this.set('period', (2.0 * Math.PI) / n!);\n }\n }\n\n // Mean longitude\n const ma = this.getUnsafe('ma');\n let L = this.getUnsafe('L');\n if (!isDef(L) && isDef(om) && isDef(w) && isDef(ma)) {\n L = om! + w! + ma!;\n this.set('L', L);\n }\n\n // Mean anomaly\n if (!isDef(ma)) {\n // MA = Mean longitude - Longitude of perihelion\n this.set('ma', L! - wBar!);\n }\n\n // TODO(ian): Handle no om\n }\n\n /**\n * Make this ephem object immutable.\n */\n lock() {\n this.locked = true;\n }\n\n copy(): Ephem {\n return new Ephem(\n {\n GM: this.getUnsafe('GM'),\n epoch: this.getUnsafe('epoch'),\n a: this.getUnsafe('a'),\n e: this.getUnsafe('e'),\n i: this.getUnsafe('i'),\n om: this.getUnsafe('om'),\n ma: this.getUnsafe('ma'),\n w: this.getUnsafe('w'),\n },\n 'rad',\n );\n }\n}\n", "/**\n * Interpolates the given 2D array of data using a Lagrange Polynomial interpolation. User specifies first/last row\n * versus giving a number of sample points and a starting index. For best performance number of points generally would\n * be between 1 (linear) and 7\n *\n * @param {Array} data array\n * @param {Number} xValue value of x to evaluate for function y = f(x) represented by the data\n * @param {Number} sampleRowMin first row of data to use for the interpolation\n * @param {Number} sampleRowMax last row of data to use for the interpolation\n * @param {Number} xIndex the column of data which represents the 'x' variable of y = f(x)\n * @param {Number} yIndex the column of data which represents the 'y' curve data of y = f(x)\n * @returns {Number} the interpolated value of the function f(x) from the data\n */\nexport function interpolate(\n data: number[][],\n xValue: number,\n sampleRowMin: number,\n sampleRowMax: number,\n xIndex: number,\n yIndex: number,\n): number {\n if (data === undefined) {\n throw 'data object is undefined';\n }\n\n if (!Array.isArray(data)) {\n throw 'data object must be an array';\n }\n\n if (sampleRowMin >= sampleRowMax) {\n throw 'first row must be greater than last row';\n }\n\n if (sampleRowMin < 0) {\n throw 'first row must be greater than zero';\n }\n\n if (sampleRowMax > data.length - 1) {\n throw 'last row must be ';\n }\n\n if (!Array.isArray(data[sampleRowMin])) {\n throw 'data in rows must be array data';\n }\n\n const maxColumn = data[0].length - 1;\n if (xIndex < 0 || xIndex > maxColumn) {\n throw `xIndex has to be between 0 and ${maxColumn}: ${xIndex}`;\n }\n\n if (yIndex < 0 || yIndex > maxColumn) {\n throw `yIndex has to be between 0 and ${maxColumn}: ${yIndex}`;\n }\n\n let sum = 0;\n for (let j = sampleRowMin; j <= sampleRowMax; j++) {\n let prod = 1;\n for (let k = sampleRowMin; k <= sampleRowMax; k++) {\n if (k === j) {\n continue;\n }\n prod *= (xValue - data[k][xIndex]) / (data[j][xIndex] - data[k][xIndex]);\n }\n\n sum += prod * data[j][yIndex];\n }\n\n return sum;\n}\n", "import * as THREE from 'three';\n\nconst DEFAULT_COMPARER_METHOD = (a: any, b: any) => {\n return a - b;\n};\n/**\n * @ignore\n */\nexport const DEFAULT_TEXTURE_URL = '{{assets}}/sprites/fuzzyparticle.png';\n\n/**\n * Returns the complete URL to a texture given a basepath and a template url.\n * @param {String} template URL containing optional template parameters\n * @param {String} basePath Base path\n * @example\n * ```\n * getFullUrl('{{assets}}/images/mysprite.png', '/path/to/assets')\n * => '/path/to/assets/images/mysprite.png'\n * ```\n */\nexport function getFullUrl(template: string, basePath: string) {\n return template\n .replace('{{assets}}', `${basePath}/assets`)\n .replace('{{data}}', `${basePath}/data`);\n}\n\n/**\n * Returns the complete URL to a texture given a basepath and a template url.\n * @param {String} template URL containing optional template parameters\n * @param {String} basePath Base path for simulation data and assets.\n * @example\n * ```\n * getFullTextureUrl('{{assets}}/images/mysprite.png', '/path/to/assets')\n * => '/path/to/assets/images/mysprite.png'\n * ```\n */\nexport function getFullTextureUrl(template: string, basePath: string) {\n return getFullUrl(template || DEFAULT_TEXTURE_URL, basePath);\n}\n\n/*\n * Returns a THREE.js texture given a basepath and a template url.\n * @param {String} template URL containing optional template parameters\n * @param {String} basePath Base path for simulation data and assets.\n */\nexport function getThreeJsTexture(template: string, basePath: string) {\n const fullTextureUrl = getFullTextureUrl(template, basePath);\n return new THREE.TextureLoader().load(fullTextureUrl);\n}\n\nexport function getDefaultBasePath() {\n return window.location.href.indexOf('localhost') > -1\n ? '/src/'\n : 'https://typpo.github.io/spacekit/src';\n}\n\n/**\n * Performs a standard binary search on an array of values returning the index of the found item or the twos complement\n * negative of the closest value if the exact value isn't found. For example for array: [10, 20, 30]\n * * Searching for a value of 20 would return an index of 1\n * * Searching for a value of 12 would return a value of -2 (taking the two's complement back '~' give you 1)\n * @param {Array} data an array of values of the type consistent with the comparer method\n * @param value the value to be searched for in the data array\n * @param {Function} [comparer] a function which takes two arguments: first of same type as data row and second as same\n * time as value to compare. Default method is a numerical comparison\n * @returns {number}\n */\nexport function binarySearch(\n data: any[],\n value: any,\n comparer = DEFAULT_COMPARER_METHOD,\n) {\n if (data === undefined) {\n throw 'data object is undefined';\n }\n\n if (!Array.isArray(data)) {\n throw 'data object must be an array';\n }\n\n if (value === undefined) {\n throw 'value object must be defined';\n }\n\n if (comparer === undefined) {\n throw 'comparer must be defined';\n }\n\n let left = 0;\n let right = data.length;\n\n while (left <= right) {\n let middle = Math.floor((left + right) / 2);\n if (middle === data.length) {\n return middle;\n }\n let comparisonCalc = comparer(data[middle], value);\n if (comparisonCalc < 0) {\n left = middle + 1;\n } else if (comparisonCalc > 0) {\n right = middle - 1;\n } else {\n return middle;\n }\n }\n\n return ~left;\n}\n", "import * as SpacekitMath from './Math';\nimport * as Util from './util';\n\nimport Units from './Units';\n\nimport type { Coordinate3d } from './Coordinates';\n\n/**\n * A class representing an ephemeris look-up table for defining a space object.\n */\n\n// Types\ntype InterpolationType = 'lagrange';\ntype EphemType = 'cartesianposvel';\ntype DistanceUnits = 'au' | 'km';\ntype TimeUnits = 'day' | 'sec';\n\ninterface EphemerisTableUnits {\n distance: DistanceUnits;\n time: TimeUnits;\n}\n\ninterface EphemerisTableData {\n data: number[][];\n // TODO(ian): Add the valid strings to typing.\n ephemerisType: EphemType;\n distanceUnits: DistanceUnits;\n timeUnits: TimeUnits;\n interpolationType: InterpolationType;\n interpolationOrder: number;\n}\n\n// Constants\nconst MAX_INTERPOLATION_ORDER = 20;\nconst INCREASING_JDATE_SEARCH_METHOD = (a: number[], b: number) => a[0] - b;\n\n// Default Values\nconst DEFAULT_UNITS: EphemerisTableUnits = {\n distance: 'au',\n time: 'day',\n};\n\nconst DEFAULT_EPHEM_TYPE = 'cartesianposvel';\nconst DEFAULT_INTERPOLATION_TYPE = 'lagrange';\nconst DEFAULT_INTERPOLATION_ORDER = 5;\n\n// Allowable unit types\nconst DISTANCE_UNITS = new Set(['km', 'au']);\nconst EPHEM_TYPES = new Set(['cartesianposvel']);\nconst INTERPOLATION_TYPES = new Set(['lagrange']);\nconst TIME_UNITS = new Set(['day', 'sec']);\n\n/**\n * This class encapsulates the data and necessary methods for operating with look up ephemeris data.\n * Users of the class pass in their ephemeris data as a data structure with the data and the settings for the ephemeris.\n * The settings include things like the units, and the ephemeris representation. The ephemeris data itself is an array\n * of arrays where each line constitute the necessary components of the line.\n *\n * For 'cartesianposvel' style ephemeris each line of data looks like: [Julian Date, X, Y, Z, Vx, Vy, Vz]\n */\nexport class EphemerisTable {\n private units: EphemerisTableUnits;\n\n private ephemType: EphemType;\n\n private interpolationType: InterpolationType;\n\n private interpolationOrder: number;\n\n private data: number[][];\n\n /**\n * @param {Object} ephemerisData Look up ephemeris data to initialize the table with and the properties of it\n * @param {Array.>} ephemerisData.data the ephemeris data appropriate for the specified ephemeris type\n * @param {String} ephemerisData.ephemerisType the type of ephemeres data here (defaults to 'cartesianposvel')\n * @param {String} ephemerisData.distanceUnits the distance units for this data (defaults to AU\n * @param {String} ephemerisData.timeUnits the distance units for this data (defaults to day)\n * @param {String} ephemerisData.interpolationType the type of interpolater to use (defaults to 'lagrange')\n * @param {Number} ephemerisData.interpolationOrder the order of the interpolator to use (defaults to 5)\n */\n constructor(ephemerisData: EphemerisTableData) {\n this.units = JSON.parse(JSON.stringify(DEFAULT_UNITS));\n this.ephemType = DEFAULT_EPHEM_TYPE;\n this.interpolationType = DEFAULT_INTERPOLATION_TYPE;\n this.interpolationOrder = DEFAULT_INTERPOLATION_ORDER;\n\n if (!ephemerisData) {\n throw new Error(\n 'EphemerisTable must be initialized with an ephemeris data structure',\n );\n }\n\n if (\n !ephemerisData.data ||\n !Array.isArray(ephemerisData.data) ||\n ephemerisData.data.length === 0 ||\n !Array.isArray(ephemerisData.data[0])\n ) {\n throw new Error(\n 'EphemerisTable must be initialized with a structure containing an array of arrays of ephemeris data',\n );\n }\n this.data = JSON.parse(JSON.stringify(ephemerisData.data));\n\n if (ephemerisData.distanceUnits) {\n if (!DISTANCE_UNITS.has(ephemerisData.distanceUnits)) {\n throw new Error(\n `Unknown distance units: ${ephemerisData.distanceUnits}`,\n );\n }\n this.units.distance = ephemerisData.distanceUnits;\n }\n\n if (ephemerisData.timeUnits) {\n if (!TIME_UNITS.has(ephemerisData.timeUnits)) {\n throw new Error(`Unknown time units: ${ephemerisData.timeUnits}`);\n }\n this.units.time = ephemerisData.timeUnits;\n }\n\n if (ephemerisData.ephemerisType) {\n if (!EPHEM_TYPES.has(ephemerisData.ephemerisType)) {\n throw new Error(\n `Unknown ephemeris type: ${ephemerisData.ephemerisType}`,\n );\n }\n this.ephemType = ephemerisData.ephemerisType;\n }\n\n if (ephemerisData.interpolationType) {\n if (!INTERPOLATION_TYPES.has(ephemerisData.interpolationType)) {\n throw new Error(\n `Unknown interpolation type: ${ephemerisData.interpolationType}`,\n );\n }\n this.interpolationType = ephemerisData.interpolationType;\n }\n\n if (ephemerisData.interpolationOrder !== undefined) {\n if (\n ephemerisData.interpolationOrder < 1 ||\n ephemerisData.interpolationOrder > MAX_INTERPOLATION_ORDER\n ) {\n throw new Error(\n `Interpolation order must be >0 and <${MAX_INTERPOLATION_ORDER}: ${ephemerisData.interpolationOrder}`,\n );\n }\n this.interpolationOrder = ephemerisData.interpolationOrder;\n }\n\n if (\n this.units.distance !== DEFAULT_UNITS.distance ||\n this.units.time !== DEFAULT_UNITS.time\n ) {\n const distanceMultiplier = this.calcDistanceMultiplier(\n this.units.distance,\n );\n const timeMultiplier = this.calcTimeMultiplier(this.units.time);\n this.data.forEach((line) => {\n line[1] *= distanceMultiplier;\n line[2] *= distanceMultiplier;\n line[3] *= distanceMultiplier;\n line[4] *= distanceMultiplier * timeMultiplier;\n line[5] *= distanceMultiplier * timeMultiplier;\n line[6] *= distanceMultiplier * timeMultiplier;\n });\n }\n }\n\n /**\n * Calculates the interpolated position for the given requested date. If the requested date is before the first\n * point it returns the first point. If the requested date is after the last point it returns the last point.\n * @param {Number} jd of the requested time\n * @returns {Number[]|*[]} x, y, z position in the ephemeris table's reference frame\n */\n getPositionAtTime(jd: number): Coordinate3d {\n if (jd <= this.data[0][0]) {\n return [this.data[0][1], this.data[0][2], this.data[0][3]];\n }\n\n const last = this.data[this.data.length - 1];\n if (jd >= last[0]) {\n return [last[1], last[2], last[3]];\n }\n\n const { startIndex, stopIndex } = this.calcBoundingIndices(jd);\n const x = SpacekitMath.interpolate(\n this.data,\n jd,\n startIndex,\n stopIndex,\n 0,\n 1,\n );\n const y = SpacekitMath.interpolate(\n this.data,\n jd,\n startIndex,\n stopIndex,\n 0,\n 2,\n );\n const z = SpacekitMath.interpolate(\n this.data,\n jd,\n startIndex,\n stopIndex,\n 0,\n 3,\n );\n\n return [x, y, z];\n }\n\n /**\n * Given the start and stop time returns a uniform ephemeris history.\n * @param {Number} startJd the requested start date\n * @param {Number} stopJd the requested stop date\n * @param {Number} stepDays the step size of the data requested in days (can be fractional days)\n * @returns {number[][]}\n */\n getPositions(\n startJd: number,\n stopJd: number,\n stepDays: number,\n ): Coordinate3d[] {\n if (startJd > stopJd) {\n throw new Error(`Requested start needs to be after requested stop`);\n }\n\n if (stepDays <= 0.0) {\n throw new Error('Step days needs to be greater than zero');\n }\n\n const result: Coordinate3d[] = [];\n for (let t = startJd; t <= stopJd; t += stepDays) {\n result.push(this.getPositionAtTime(t));\n }\n\n return result;\n }\n\n /**\n * @private\n */\n private calcDistanceMultiplier(unitType: DistanceUnits): number {\n switch (unitType) {\n case 'au':\n return 1.0;\n case 'km':\n return Units.kmToAu(1);\n default:\n throw new Error('Unknown distance unit type: ' + unitType);\n }\n }\n\n /**\n * @private\n */\n private calcTimeMultiplier(unitType: TimeUnits): number {\n switch (unitType) {\n case 'day':\n return 1.0;\n case 'sec':\n return 1 / 86400.0;\n default:\n throw new Error('Unknown time unit type: ' + unitType);\n }\n }\n\n /**\n * @private\n */\n private calcBoundingIndices(jd: number): {\n startIndex: number;\n stopIndex: number;\n } {\n const halfSampleSize = Math.floor(this.interpolationOrder / 2);\n let closestIndex = Util.binarySearch(\n this.data,\n jd,\n INCREASING_JDATE_SEARCH_METHOD,\n );\n if (closestIndex < 0) {\n closestIndex = ~closestIndex - 1;\n }\n let startIndex = closestIndex - halfSampleSize;\n if (startIndex < 0) {\n startIndex = 0;\n }\n\n let stopIndex = startIndex + Number(this.interpolationOrder);\n if (stopIndex >= this.data.length) {\n stopIndex = this.data.length - 1;\n if (this.data.length > halfSampleSize) {\n startIndex = stopIndex - halfSampleSize;\n }\n }\n\n return { startIndex: startIndex, stopIndex: stopIndex };\n }\n}\n", "import Units from './Units';\nimport { Ephem, GM } from './Ephem';\nimport { getFullUrl } from './util';\n\nimport type { Simulation, SimulationContext } from './Simulation';\n\n/**\n * A dictionary containing ephemerides of planets and other well-known objects.\n * @example\n * ```\n * const planet1 = viz.createObject('planet1', {\n * ephem: EphemPresets.MERCURY,\n * });\n * ```\n */\nexport const EphemPresets: {\n MERCURY: Ephem;\n VENUS: Ephem;\n EARTH: Ephem;\n MOON: Ephem;\n MARS: Ephem;\n JUPITER: Ephem;\n SATURN: Ephem;\n URANUS: Ephem;\n NEPTUNE: Ephem;\n PLUTO: Ephem;\n} = {\n // See https://ssd.jpl.nasa.gov/?planet_pos and https://ssd.jpl.nasa.gov/txt/p_elem_t1.txt\n MERCURY: new Ephem(\n {\n epoch: 2458426.5,\n a: 3.870968969437096e-1,\n e: 2.056515875393916e-1,\n i: 7.003891682749818,\n om: 4.830774804443502e1,\n w: 2.917940253442659e1,\n ma: 2.56190975209273e2,\n },\n 'deg',\n true /* locked */,\n ),\n VENUS: new Ephem(\n {\n epoch: 2458426.5,\n a: 7.233458663591554e-1,\n e: 6.762510759617694e-3,\n i: 3.394567787211735,\n om: 7.662534150657346e1,\n w: 5.474567447560867e1,\n ma: 2.756687596099721e2,\n },\n 'deg',\n true /* locked */,\n ),\n EARTH: new Ephem(\n {\n // Taken from https://nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html\n /*\n epoch: 2451545.0,\n a: 1.00000011,\n e: 0.01671022,\n i: 0.00005,\n om: -11.26064,\n wBar: 102.94719,\n L: 100.46435,\n */\n\n // https://ssd.jpl.nasa.gov/txt/p_elem_t1.txt\n epoch: 2451545.0,\n a: 1.00000261,\n e: 0.01671123,\n i: -0.00001531,\n om: 0.0,\n wBar: 102.93768193,\n L: 100.46457166,\n\n /*\n epoch: 2458426.500000000,\n a: 1.000618919441359E+00,\n e: 1.676780871638673E-02,\n i: 0,\n om: 1.888900932218542E+02,\n w: 2.718307282052625E+02,\n ma: 3.021792498388233E+02,\n */\n },\n 'deg',\n true /* locked */,\n ),\n MOON: new Ephem(\n {\n // https://nssdc.gsfc.nasa.gov/planetary/factsheet/moonfact.html\n GM: 0.3986e6,\n\n // Geocentric\n // https://ssd.jpl.nasa.gov/horizons.cgi#results\n epoch: 2458621.5,\n a: 2.582517063772124e-3,\n e: 4.582543645168888e-2,\n i: 5.102060246928811,\n om: 1.085916732144811e2,\n w: 6.180561793729225e1,\n ma: 5.053270083636792e1,\n /*\n * heliocentric\n epoch: 2458621.500000000,\n a: 1.078855621785179E+00,\n e: 6.333300212090676E-02,\n i: 7.211217382317713E-02,\n om: 6.722057157026397E+01,\n w: 1.503642883585293E+02,\n ma: 1.666758688084831E+01,\n */\n },\n 'deg',\n true /* locked */,\n ),\n MARS: new Ephem(\n {\n epoch: 2458426.5,\n a: 1.52371401537107,\n e: 9.336741335309606e-2,\n i: 1.848141099825311,\n om: 4.950420572080223e1,\n w: 2.866965847685386e2,\n ma: 2.538237617924876e1,\n },\n 'deg',\n true /* locked */,\n ),\n JUPITER: new Ephem(\n {\n epoch: 2458426.5,\n a: 5.20180355911023,\n e: 4.89912558249006e-2,\n i: 1.303560894624275,\n om: 1.005203828847816e2,\n w: 2.73736301845404e2,\n ma: 2.31939544389401e2,\n },\n 'deg',\n true /* locked */,\n ),\n SATURN: new Ephem(\n {\n epoch: 2458426.5,\n a: 9.577177295536776,\n e: 5.101889921719987e-2,\n i: 2.482782449972317,\n om: 1.136154964073247e2,\n w: 3.394422648650336e2,\n ma: 1.870970898012944e2,\n },\n 'deg',\n true /* locked */,\n ),\n URANUS: new Ephem(\n {\n epoch: 2458426.5,\n a: 1.914496966635462e1,\n e: 4.832662948112808e-2,\n i: 7.697511134483724e-1,\n om: 7.414239045667875e1,\n w: 9.942704504702185e1,\n ma: 2.202603033874267e2,\n },\n 'deg',\n true /* locked */,\n ),\n NEPTUNE: new Ephem(\n {\n epoch: 2458426.5,\n a: 3.00962226342805e1,\n e: 7.36257118719377e-3,\n i: 1.774569249829094,\n om: 1.318695882492132e2,\n w: 2.586226409499831e2,\n ma: 3.152804988924479e2,\n },\n 'deg',\n true /* locked */,\n ),\n PLUTO: new Ephem(\n {\n epoch: 2454000.5,\n a: 39.4450697257,\n e: 0.250248713478,\n i: 17.0890009196,\n om: 110.376957955,\n w: 112.597141677,\n ma: 25.2471897122,\n },\n 'deg',\n true /* locked */,\n ),\n};\n\ninterface NaturalSatelliteRecord {\n Planet: string;\n 'Epoch String': string;\n 'Epoch JD': number;\n 'Element Type': string;\n 'Sat.': string;\n tags: string;\n a: number | string;\n e: number | string;\n w: number | string;\n M: number | string;\n i: number | string;\n node: number | string;\n n: number | string;\n P: number | string;\n Pw: number | string;\n Pnode: number | string;\n RA: number | string;\n Dec: number | string | null;\n Tilt: number | string | null;\n Ref: string;\n}\n\n/**\n * A class for fetching orbital elements of natural satellites in our solar\n * system.\n */\nexport class NaturalSatellites {\n private _simulation: Simulation;\n\n private _context: SimulationContext;\n\n private _satellitesByPlanet: Record<\n string,\n {\n name: string;\n elementType: string;\n tags: Set;\n ephem: Ephem;\n }[]\n >;\n\n private _readyPromise: Promise;\n\n constructor(simulation: Simulation) {\n this._simulation = simulation;\n this._context = simulation.getContext();\n\n this._satellitesByPlanet = {};\n const dataUrl = getFullUrl(\n '{{data}}/processed/natural-satellites.json',\n this._context.options.basePath,\n );\n\n this._readyPromise = new Promise((resolve, reject) => {\n fetch(dataUrl)\n .then((resp) => resp.json())\n .then((moons) => {\n moons.forEach((moon: NaturalSatelliteRecord) => {\n const planetName = moon.Planet.toLowerCase();\n if (!this._satellitesByPlanet[planetName]) {\n this._satellitesByPlanet[planetName] = [];\n }\n\n let ephemType;\n switch (moon['Element Type']) {\n case 'Ecliptic':\n // Don't have to do anything\n break;\n case 'Equatorial':\n // TODO(ian): Convert equatorial coords\n ephemType = 'equatorial';\n /*\n throw new Error(\n `Ephemeris type not yet implemented: ${ephemType}`,\n );\n */\n break;\n case 'Laplace':\n // TODO(ian): Convert laplace coords\n ephemType = 'equatorial';\n /*\n throw new Error(\n `Ephemeris type not yet implemented: ${ephemType}`,\n );\n */\n break;\n default:\n console.warn(\n `Ephemeris type not yet implemented: ${ephemType}`,\n );\n return;\n }\n\n let ephemGM;\n switch (moon.Planet) {\n case 'Earth':\n ephemGM = GM.EARTH_MOON;\n break;\n case 'Pluto':\n ephemGM = GM.PLUTO_CHARON;\n break;\n default:\n ephemGM = GM[moon.Planet.toUpperCase() as keyof typeof GM];\n }\n if (!ephemGM) {\n console.error(`Could not look up GM for ${moon.Planet}`);\n }\n\n const ephem = new Ephem(\n {\n GM: ephemGM,\n epoch: Number(moon['Epoch JD']),\n a: Units.kmToAu(Number(moon.a)),\n e: Number(moon.e),\n i: Number(moon.i),\n w: Number(moon.w),\n om: Number(moon.node),\n ma: Number(moon.M),\n },\n 'deg',\n true /* locked */,\n );\n\n this._satellitesByPlanet[planetName].push({\n name: moon['Sat.'],\n elementType: moon['Element Type'],\n tags: new Set(moon['tags'].split(',')),\n ephem,\n });\n });\n console.info('Loaded', moons.length, 'natural satellites');\n resolve(this);\n })\n .catch((err) => {\n reject(err);\n });\n });\n }\n\n /**\n * Get a list of satellites and their orbital elements for a given planet.\n * @param {String} planetName Name of a planet, e.g. \"Jupiter\"\n * @return {Object} List containing a list of dictionaries with information\n * on each satellite.\n */\n getSatellitesForPlanet(planetName: string) {\n return this._satellitesByPlanet[planetName.toLowerCase()];\n }\n\n load(): Promise {\n return this._readyPromise;\n }\n}\n", "import * as THREE from 'three';\n// @ts-ignore\nimport julian from 'julian';\n\nimport { Ephem } from './Ephem';\nimport { EphemerisTable } from './EphemerisTable';\nimport { rescaleArray, rescaleXYZ } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\n\nimport type { LineBasicMaterial } from 'three';\n\nexport enum OrbitType {\n UNKNOWN = 0,\n PARABOLIC = 1,\n HYPERBOLIC = 2,\n ELLIPTICAL = 3,\n TABLE = 4,\n}\n\ninterface OrbitOptions {\n color?: number;\n eclipticLineColor?: number;\n orbitPathSettings?: {\n leadDurationYears?: number;\n trailDurationYears?: number;\n numberSamplePoints?: number;\n };\n}\n\nconst { sin, cos, sqrt } = Math;\n\nconst DEFAULT_LEAD_TRAIL_YEARS = 10;\nconst DEFAULT_SAMPLE_POINTS = 360;\nconst DEFAULT_ORBIT_PATH_SETTINGS = {\n leadDurationYears: DEFAULT_LEAD_TRAIL_YEARS,\n trailDurationYears: DEFAULT_LEAD_TRAIL_YEARS,\n numberSamplePoints: DEFAULT_SAMPLE_POINTS,\n};\n\n/**\n * Special cube root function that assumes input is always positive.\n */\nfunction cbrt(x: number) {\n return Math.exp(Math.log(x) / 3.0);\n}\n\n/**\n * A class that builds a visual representation of a Kepler orbit.\n * @example\n * ```\n * const orbit = new Spacekit.Orbit({\n * ephem: new Spacekit.Ephem({...}),\n * options: {\n * color: 0xFFFFFF,\n * eclipticLineColor: 0xCCCCCC,\n * },\n * });\n * ```\n */\nexport class Orbit {\n private ephem: Ephem | EphemerisTable;\n\n private options: OrbitOptions;\n\n private orbitPoints?: THREE.Vector3[];\n\n private eclipticDropLines?: THREE.LineSegments;\n\n private orbitShape?: THREE.Line;\n\n private orbitStart: number;\n\n private orbitStop: number;\n\n private orbitType: OrbitType;\n\n /**\n * @param {(Ephem | EphemerisTable)} ephem The ephemeris that define this orbit.\n * @param {Object} options\n * @param {Number} options.color The color of the orbital ellipse.\n * @param {Number} options.eclipticLineColor The color of lines drawn\n * @param {Object} options.orbitPathSettings settings for the path\n * @param {Number} options.orbitPathSettings.leadDurationYears orbit path lead time in years\n * @param {Number} options.orbitPathSettings.trailDurationYears orbit path trail time in years\n * @param {Number} options.orbitPathSettings.numberSamplePoints number of\n * points to use when drawing the orbit line. Only applicable for\n * non-elliptical and ephemeris table orbits. perpendicular to the ecliptic\n * in order to illustrate depth (defaults to 0x333333).\n */\n constructor(ephem: Ephem | EphemerisTable, options: OrbitOptions) {\n /**\n * Ephem object\n * @type {(Ephem | EphemerisTable)}\n */\n this.ephem = ephem;\n\n /**\n * Options (see class definition for details)\n */\n this.options = options || {};\n\n /**\n * configuring orbit path lead/trail data\n */\n if (!this.options.orbitPathSettings) {\n this.options.orbitPathSettings = JSON.parse(\n JSON.stringify(DEFAULT_ORBIT_PATH_SETTINGS),\n );\n }\n\n if (!this.options.orbitPathSettings?.leadDurationYears) {\n this.options.orbitPathSettings!.leadDurationYears =\n DEFAULT_LEAD_TRAIL_YEARS;\n }\n\n if (!this.options.orbitPathSettings?.trailDurationYears) {\n this.options.orbitPathSettings!.trailDurationYears =\n DEFAULT_LEAD_TRAIL_YEARS;\n }\n\n if (!this.options.orbitPathSettings?.numberSamplePoints) {\n this.options.orbitPathSettings!.numberSamplePoints =\n DEFAULT_SAMPLE_POINTS;\n }\n\n /**\n * Cached orbital points.\n * @type {Array.}\n */\n this.orbitPoints = undefined;\n\n /**\n * Cached ecliptic drop lines.\n * @type {Array.}\n */\n this.eclipticDropLines = undefined;\n\n /**\n * Cached orbit shape.\n * @type {THREE.Line}\n */\n this.orbitShape = undefined;\n\n /**\n * Time span of the drawn orbit line\n */\n this.orbitStart = 0;\n this.orbitStop = 0;\n\n /**\n * Orbit type\n * @type {OrbitType}\n */\n this.orbitType = Orbit.getOrbitType(this.ephem);\n }\n\n /**\n * Get heliocentric position of object at a given JD.\n * @param {Number} jd Date value in JD.\n * @param {boolean} debug Set true for debug output.\n * @return {Array.} [X, Y, Z] coordinates\n */\n getPositionAtTime(jd: number, debug: boolean = false): Coordinate3d {\n // Note: logic below must match the vertex shader.\n\n // This position calculation is used to create orbital ellipses.\n switch (this.orbitType) {\n case OrbitType.PARABOLIC:\n return this.getPositionAtTimeNearParabolic(jd, debug);\n case OrbitType.HYPERBOLIC:\n return this.getPositionAtTimeHyperbolic(jd, debug);\n case OrbitType.ELLIPTICAL:\n return this.getPositionAtTimeElliptical(jd, debug);\n case OrbitType.TABLE:\n return this.getPositionAtTimeTable(jd, debug);\n default:\n throw new Error('No handler for this type of orbit');\n }\n }\n\n getPositionAtTimeParabolic(jd: number, debug: boolean = false): Coordinate3d {\n // See https://stjarnhimlen.se/comp/ppcomp.html#17\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // The Guassian gravitational constant\n const k = 0.01720209895;\n\n // Perihelion distance\n const q = eph.get('q');\n\n // Compute time since perihelion\n const d = jd - eph.get('tp');\n\n const H = (d * (k / sqrt(2))) / sqrt(q * q * q);\n const h = 1.5 * H;\n const g = sqrt(1.0 + h * h);\n const s = cbrt(g + h) - cbrt(g - h);\n\n // True anomaly\n const v = 2.0 * Math.atan(s);\n // Heliocentric distance\n const r = q * (1.0 + s * s);\n\n return this.vectorToHeliocentric(v, r);\n }\n\n getPositionAtTimeNearParabolic(\n jd: number,\n debug: boolean = false,\n ): Coordinate3d {\n // See https://stjarnhimlen.se/comp/ppcomp.html#17\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // The Guassian gravitational constant\n const k = 0.01720209895;\n\n // Eccentricity\n const e = eph.get('e');\n\n // Perihelion distance\n const q = eph.get('q');\n\n // Compute time since perihelion\n const d = jd - eph.get('tp');\n\n const a = 0.75 * d * k * sqrt((1 + e) / (q * q * q));\n const b = sqrt(1 + a * a);\n const W = cbrt(b + a) - cbrt(b - a);\n const f = (1 - e) / (1 + e);\n\n const a1 = 2 / 3 + (2 / 5) * W * W;\n const a2 = 7 / 5 + (33 / 35) * W * W + (37 / 175) * W ** 4;\n const a3 =\n W * W * (432 / 175 + (956 / 1125) * W * W + (84 / 1575) * W ** 4);\n\n const C = (W * W) / (1 + W * W);\n const g = f * C * C;\n const w = W * (1 + f * C * (a1 + a2 * g + a3 * g * g));\n\n // True anomaly\n const v = 2 * Math.atan(w);\n // Heliocentric distance\n const r = (q * (1 + w * w)) / (1 + w * w * f);\n\n return this.vectorToHeliocentric(v, r);\n }\n\n getPositionAtTimeHyperbolic(\n jd: number,\n debug: boolean = false,\n ): Coordinate3d {\n // See https://stjarnhimlen.se/comp/ppcomp.html#17\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // Eccentricity\n const e = eph.get('e');\n\n // Semimajor axis\n const a = eph.get('a');\n\n // Mean anomaly\n const ma = eph.get('ma');\n\n // Calculate mean anomaly at jd\n const n = eph.get('n', 'rad');\n const epoch = eph.get('epoch');\n const d = jd - epoch;\n\n const M = ma + n * d;\n\n let F0 = M;\n for (let count = 0; count < 100; count++) {\n const F1 =\n (M + e * (F0 * Math.cosh(F0) - Math.sinh(F0))) /\n (e * Math.cosh(F0) - 1);\n const lastdiff = Math.abs(F1 - F0);\n F0 = F1;\n\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n const F = F0;\n\n const v = 2 * Math.atan(sqrt((e + 1) / (e - 1))) * Math.tanh(F / 2);\n const r = (a * (1 - e * e)) / (1 + e * cos(v));\n\n return this.vectorToHeliocentric(v, r);\n }\n\n getPositionAtTimeElliptical(\n jd: number,\n debug: boolean = false,\n ): Coordinate3d {\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // Eccentricity\n const e = eph.get('e');\n\n // Mean anomaly\n const ma = eph.get('ma', 'rad');\n\n // Calculate mean anomaly at jd\n const n = eph.get('n', 'rad');\n const epoch = eph.get('epoch');\n const d = jd - epoch;\n\n const M = ma + n * d;\n if (debug) {\n console.info('period=', eph.get('period'));\n console.info('n=', n);\n console.info('ma=', ma);\n console.info('d=', d);\n console.info('M=', M);\n }\n\n // Estimate eccentric and true anom using iterative approx\n let E0 = M;\n for (let count = 0; count < 100; count++) {\n const E1 = M + e * sin(E0);\n const lastdiff = Math.abs(E1 - E0);\n E0 = E1;\n\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n const E = E0;\n const v = 2 * Math.atan(sqrt((1 + e) / (1 - e)) * Math.tan(E / 2));\n\n // Radius vector, in AU\n const a = eph.get('a');\n const r = (a * (1 - e * e)) / (1 + e * cos(v));\n\n return this.vectorToHeliocentric(v, r);\n }\n\n getPositionAtTimeTable(jd: number, debug: boolean = false): Coordinate3d {\n if (this.ephem instanceof EphemerisTable) {\n const point = this.ephem.getPositionAtTime(jd);\n return rescaleXYZ(point[0], point[1], point[2]);\n }\n throw new Error('Attempted to read ephemeris table of non-table data');\n }\n\n /**\n * Given true anomaly and heliocentric distance, returns the scaled heliocentric coordinates (X, Y, Z)\n * @param {Number} v True anomaly\n * @param {Number} r Heliocentric distance\n * @return {Array.} Heliocentric coordinates\n */\n vectorToHeliocentric(v: number, r: number): Coordinate3d {\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // Inclination, Longitude of ascending node, Longitude of perihelion\n const i = eph.get('i', 'rad');\n const o = eph.get('om', 'rad');\n const p = eph.get('wBar', 'rad');\n\n // Heliocentric coords\n const X = r * (cos(o) * cos(v + p - o) - sin(o) * sin(v + p - o) * cos(i));\n const Y = r * (sin(o) * cos(v + p - o) + cos(o) * sin(v + p - o) * cos(i));\n const Z = r * (sin(v + p - o) * sin(i));\n\n return rescaleXYZ(X, Y, Z);\n }\n\n /**\n * Returns whether the requested epoch is within the current orbit's\n * definition. Used only for ephemeris tables.\n * @param {Number} jd\n * @return {boolean} true if it is within the orbit span, false if not\n */\n needsUpdateForTime(jd: number): boolean {\n if (this.orbitType === OrbitType.TABLE) {\n return jd < this.orbitStart || jd > this.orbitStop;\n }\n // Renderings for other types are static.\n return false;\n }\n\n /**\n * Calculates, caches, and returns the orbit state for this orbit around this time\n * @param {Number} jd center time of the orbit (only used for ephemeris table ephemeris)\n * @param {boolean} forceCompute forces the recomputing of the orbit on this call\n * @return {THREE.Line}\n */\n getOrbitShape(jd?: number, forceCompute = false): THREE.Line {\n if (forceCompute) {\n if (this.orbitShape) {\n this.orbitShape.geometry.dispose();\n (this.orbitShape.material as LineBasicMaterial).dispose();\n }\n\n this.orbitShape = undefined;\n this.orbitPoints = undefined;\n\n if (this.eclipticDropLines) {\n this.eclipticDropLines.geometry.dispose();\n (this.eclipticDropLines.material as LineBasicMaterial).dispose();\n }\n this.eclipticDropLines = undefined;\n }\n\n if (this.orbitShape) {\n // Orbit shape is already computed.\n return this.orbitShape;\n }\n\n if (this.orbitType === OrbitType.ELLIPTICAL) {\n return this.getEllipse();\n }\n\n // Decide on a time range to draw orbits.\n // TODO(ian): Should we compute around current position, not time of perihelion?\n let tp;\n if (this.ephem instanceof EphemerisTable) {\n tp = jd;\n } else {\n tp = this.ephem.getUnsafe('tp');\n }\n // Use current date as a fallback if time of perihelion is not available.\n const centerDate = tp ? tp : julian.toJulianDay(new Date());\n const startJd =\n centerDate - this.options.orbitPathSettings!.trailDurationYears! * 365.25;\n const endJd =\n centerDate + this.options.orbitPathSettings!.leadDurationYears! * 365.25;\n const step =\n (endJd - startJd) / this.options.orbitPathSettings!.numberSamplePoints!;\n\n this.orbitStart = startJd;\n this.orbitStop = endJd;\n\n switch (this.orbitType) {\n case OrbitType.HYPERBOLIC:\n return this.getLine(\n this.getPositionAtTimeHyperbolic.bind(this),\n startJd,\n endJd,\n step,\n );\n case OrbitType.PARABOLIC:\n return this.getLine(\n this.getPositionAtTimeNearParabolic.bind(this),\n startJd,\n endJd,\n step,\n );\n case OrbitType.TABLE:\n return this.getTableOrbit(startJd, endJd, step);\n default:\n throw new Error('Unknown orbit shape');\n }\n }\n\n /**\n * Compute a line between a given date range.\n * @private\n */\n private getLine(\n orbitFn: (jd: number) => Coordinate3d,\n startJd: number,\n endJd: number,\n step: number,\n ) {\n const points: THREE.Vector3[] = [];\n for (let jd = startJd; jd <= endJd; jd += step) {\n const pos = orbitFn(jd);\n points.push(new THREE.Vector3(pos[0], pos[1], pos[2]));\n }\n return this.generateAndCacheOrbitShape(points);\n }\n\n /**\n * Returns the orbit for a table lookup orbit definition\n * @private\n * @param {Number} startJd start of orbit in JDate format\n * @param {Number} stopJd end of orbit in JDate format\n * @param {Number} step step size in days\n * @return {THREE.Line}\n */\n private getTableOrbit(\n startJd: number,\n stopJd: number,\n step: number,\n ): THREE.Line {\n if (this.ephem instanceof Ephem) {\n throw new Error(\n 'Attempted to compute table orbit on non-table ephemeris',\n );\n }\n const rawPoints = this.ephem.getPositions(startJd, stopJd, step);\n const points = rawPoints\n .map((values) => rescaleArray(values))\n .map((values) => new THREE.Vector3(values[0], values[1], values[2]));\n\n return this.generateAndCacheOrbitShape(points);\n }\n\n /**\n * @private\n * @return {THREE.Line} The ellipse object that represents this orbit.\n */\n private getEllipse() {\n const points = this.getEllipsePoints();\n return this.generateAndCacheOrbitShape(points);\n }\n\n /**\n * @private\n * @return {THREE.Vector3[]} A THREE.js geometry\n */\n private getEllipsePoints(): THREE.Vector3[] {\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n const a = eph.get('a');\n const ecc = eph.get('e');\n\n const twoPi = Math.PI * 2;\n const step = twoPi / 90;\n const pts = [];\n for (let E = 0; E < twoPi; E += step) {\n const v = 2 * Math.atan(sqrt((1 + ecc) / (1 - ecc)) * Math.tan(E / 2));\n const r = (a * (1 - ecc * ecc)) / (1 + ecc * cos(v));\n const pos = this.vectorToHeliocentric(v, r);\n\n if (isNaN(pos[0]) || isNaN(pos[1]) || isNaN(pos[2])) {\n console.error(\n 'NaN position value - you may have bad or incomplete data in the following ephemeris:',\n );\n console.error(eph);\n }\n pts.push(new THREE.Vector3(pos[0], pos[1], pos[2]));\n }\n pts.push(pts[0]);\n return pts;\n }\n\n /**\n * @private\n * @return {THREE.Line} Line object\n */\n private generateAndCacheOrbitShape(\n pointVectors: THREE.Vector3[],\n ): THREE.Line {\n this.orbitPoints = pointVectors;\n this.orbitShape = new THREE.Line(\n new THREE.BufferGeometry().setFromPoints(pointVectors),\n new THREE.LineBasicMaterial({\n color: new THREE.Color(this.options.color || 0x444444),\n }),\n );\n return this.orbitShape;\n }\n\n /**\n * A geometry containing line segments that run between the orbit ellipse and\n * the ecliptic plane of the solar system. This is a useful visual effect\n * that makes it easy to tell when an orbit goes below or above the ecliptic\n * plane.\n * @return {THREE.LineSegments} A geometry with many line segments.\n */\n getLinesToEcliptic(): THREE.LineSegments {\n if (this.eclipticDropLines) {\n return this.eclipticDropLines;\n }\n\n if (!this.orbitPoints) {\n // Generate the orbitPoints cache.\n this.getOrbitShape();\n }\n\n // Place a cap on visible lines, for large or highly inclined orbits.\n const points = this.orbitPoints || [];\n let filteredPoints: THREE.Vector3[] = [];\n points.forEach((vertex, idx) => {\n // Drop last point because it's a repeat of the first point.\n if (\n idx === points.length - 1 &&\n this.orbitType === OrbitType.ELLIPTICAL\n ) {\n return;\n }\n filteredPoints.push(vertex);\n filteredPoints.push(new THREE.Vector3(vertex.x, vertex.y, 0));\n });\n const geometry = new THREE.BufferGeometry().setFromPoints(filteredPoints);\n\n this.eclipticDropLines = new THREE.LineSegments(\n geometry,\n new THREE.LineBasicMaterial({\n color: this.options.eclipticLineColor || 0x333333,\n blending: THREE.AdditiveBlending,\n }),\n );\n\n return this.eclipticDropLines;\n }\n\n /**\n * Get the color of this orbit.\n * @return {Number} The hexadecimal color of the orbital ellipse.\n */\n getHexColor(): number {\n return (this.getOrbitShape().material as LineBasicMaterial).color.getHex();\n }\n\n /**\n * @param {Number} hexVal The hexadecimal color of the orbital ellipse.\n */\n setHexColor(hexVal: number) {\n (this.getOrbitShape().material as LineBasicMaterial).color =\n new THREE.Color(hexVal);\n }\n\n /**\n * Get the visibility of this orbit.\n * @return {boolean} Whether the orbital ellipse is visible. Note that\n * although the ellipse may not be visible, it is still present in the\n * underlying Scene and Simultation.\n */\n getVisibility(): boolean {\n return this.getOrbitShape().visible;\n }\n\n /**\n * Change the visibility of this orbit.\n * @param {boolean} val Whether to show the orbital ellipse.\n */\n setVisibility(val: boolean) {\n this.getOrbitShape().visible = val;\n }\n\n /**\n * Get the type of orbit. Returns one of OrbitType.PARABOLIC, HYPERBOLIC,\n * ELLIPTICAL, or UNKNOWN.\n * @param {(Ephem | EphemerisTable)} Ephemeris\n * @return {OrbitType} Name of orbit type\n */\n static getOrbitType(ephem: Ephem | EphemerisTable): OrbitType {\n if (ephem instanceof EphemerisTable) {\n return OrbitType.TABLE;\n }\n\n const e = ephem.get('e');\n if (e > 0.9 && e < 1.2) {\n return OrbitType.PARABOLIC;\n }\n if (e > 1.2) {\n return OrbitType.HYPERBOLIC;\n }\n return OrbitType.ELLIPTICAL;\n }\n}\n", "import * as THREE from 'three';\n// @ts-ignore\nimport julian from 'julian';\nimport Stats from 'three/examples/jsm/libs/stats.module';\nimport {\n BloomEffect,\n EffectComposer,\n EffectPass,\n RenderPass,\n // @ts-ignore\n} from 'postprocessing';\n\nimport type { Scene, Object3D, Vector3, WebGL1Renderer } from 'three';\n\nimport Camera from './Camera';\nimport { KeplerParticles } from './KeplerParticles';\nimport { NaturalSatellites } from './EphemPresets';\nimport { ShapeObject } from './ShapeObject';\nimport { Skybox } from './Skybox';\nimport { SpaceObject } from './SpaceObject';\nimport { SphereObject } from './SphereObject';\nimport { StaticParticles } from './StaticParticles';\nimport { Stars } from './Stars';\nimport { getDefaultBasePath } from './util';\nimport { setScaleFactor, rescaleArray } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\n\n// TODO(ian): Make this an interface.\nexport interface SimulationObject {\n update: (jd: number, force: boolean) => void;\n get3jsObjects(): THREE.Object3D[];\n getId(): string;\n}\n\ninterface CameraOptions {\n initialPosition?: Coordinate3d;\n enableDrift?: boolean;\n}\n\ninterface DebugOptions {\n showAxes?: boolean;\n showGrid?: boolean;\n showStats?: boolean;\n}\n\ninterface SpacekitOptions {\n basePath: string;\n startDate?: Date;\n jd?: number;\n jdDelta?: number;\n jdPerSecond?: number;\n unitsPerAu?: number;\n startPaused?: boolean;\n maxNumParticles?: number;\n particleTextureUrl?: string;\n particleDefaultSize?: number;\n camera?: CameraOptions;\n debug?: DebugOptions;\n}\n\nexport interface SimulationContext {\n simulation: Simulation;\n options: SpacekitOptions;\n objects: {\n renderer: WebGL1Renderer;\n camera: Camera;\n scene: Scene;\n particles: KeplerParticles;\n composer?: EffectComposer;\n };\n container: {\n width: number;\n height: number;\n };\n}\n\n/**\n * The main entrypoint of a visualization.\n *\n * This class wraps a THREE.js scene, controls, skybox, etc in an animated\n * Simulation.\n *\n * @example\n * ```\n * const sim = new Spacekit.Simulation(document.getElementById('my-container'), {\n * basePath: '../path/to/assets',\n * startDate: Date.now(),\n * jd: 0.0,\n * jdDelta: 10.0,\n * jdPerSecond: 100.0, // overrides jdDelta\n * startPaused: false,\n * unitsPerAu: 1.0,\n * maxNumParticles: 2**16,\n * camera: {\n * initialPosition: [0, -10, 5],\n * enableDrift: false,\n * },\n * debug: {\n * showAxes: false,\n * showGrid: false,\n * showStats: false,\n * },\n * });\n * ```\n */\nexport class Simulation {\n public onTick?: () => void;\n\n private simulationElt: HTMLCanvasElement;\n\n private options: SpacekitOptions;\n\n private jd: number;\n\n private jdDelta?: number;\n\n private jdPerSecond: number;\n\n private isPaused: boolean;\n\n private enableCameraDrift: boolean;\n\n private cameraDefaultPos: Coordinate3d;\n\n private camera: Camera;\n\n private useLightSources: boolean;\n\n private lightPosition?: Vector3;\n\n private subscribedObjects: Record;\n\n private particles: KeplerParticles;\n\n private stats?: Stats;\n\n private fps: number;\n\n private lastUpdatedTime: number;\n\n private lastStaticCameraUpdateTime: number;\n\n private lastResizeUpdateTime: number;\n\n private renderEnabled: boolean;\n\n private initialRenderComplete: boolean;\n\n private scene: Scene;\n\n private renderer: WebGL1Renderer;\n\n private composer?: EffectComposer;\n\n /**\n * @param {HTMLCanvasElement} simulationElt The container for this simulation.\n * @param {Object} options for simulation\n * @param {String} options.basePath Path to simulation assets and data\n * @param {Date} options.startDate The start date and time for this\n * simulation.\n * @param {Number} options.jd The JD date of this simulation.\n * Defaults to 0\n * @param {Number} options.jdDelta The number of JD to add every tick of\n * the simulation.\n * @param {Number} options.jdPerSecond The number of jd to add every second.\n * Use this instead of `jdDelta` for constant motion that does not vary with\n * framerate. Defaults to 100.\n * @param {Number} options.unitsPerAu The number of \"position\" units in the\n * simulation that represent an AU. This is an optional setting that you may\n * use if the default (1 unit = 1 AU) is too small for your simulation (e.g.\n * if you are representing a planetary system). Depending on your graphics\n * card, you may begin to notice inaccuracies at fractional scales of GL\n * units, so it becomes necessary to scale the whole visualization. Defaults\n * to 1.0.\n * @param {boolean} options.startPaused Whether the simulation should start\n * in a paused state.\n * @param {Number} options.maxNumParticles The maximum number of particles in\n * the visualization. Try choosing a number that is larger than your\n * particles, but not too much larger. It's usually good enough to choose the\n * next highest power of 2. If you're not showing many particles (tens of\n * thousands+), you don't need to worry about this.\n * @param {String} options.particleTextureUrl The texture for the default\n * particle system.\n * @param {Number} options.particleDefaultSize The default size for the\n * particle system.\n * @param {Object} options.camera Options for camera\n * @param {Array.} options.camera.initialPosition Initial X, Y, Z\n * coordinates of the camera. Defaults to [0, -10, 5].\n * @param {boolean} options.camera.enableDrift Set true to have the camera\n * float around slightly. False by default.\n * @param {Object} options.debug Options dictating debug state.\n * @param {boolean} options.debug.showAxes Show X, Y, and Z axes\n * @param {boolean} options.debug.showGrid Show grid on XY plane\n * @param {boolean} options.debug.showStats Show FPS and other stats\n * (requires stats.js).\n */\n constructor(simulationElt: HTMLCanvasElement, options: SpacekitOptions) {\n this.simulationElt = simulationElt;\n this.options = options || {};\n this.options.basePath = this.options.basePath || getDefaultBasePath();\n\n this.jd =\n typeof this.options.jd === 'undefined'\n ? Number(julian(this.options.startDate || new Date()))\n : this.options.jd;\n this.jdDelta = this.options.jdDelta;\n this.jdPerSecond = this.options.jdPerSecond || 100;\n this.isPaused = options.startPaused || false;\n this.onTick = undefined;\n\n this.enableCameraDrift = false;\n this.cameraDefaultPos = rescaleArray([0, -10, 5]);\n if (this.options.camera) {\n this.enableCameraDrift = !!this.options.camera.enableDrift;\n if (this.options.camera.initialPosition) {\n this.cameraDefaultPos = rescaleArray(\n this.options.camera.initialPosition,\n );\n }\n }\n\n this.useLightSources = false;\n this.lightPosition = undefined;\n\n this.subscribedObjects = {};\n\n // This makes controls.lookAt and other objects treat the positive Z axis\n // as \"up\" direction.\n THREE.Object3D.DefaultUp = new THREE.Vector3(0, 0, 1);\n\n // Scale\n if (this.options.unitsPerAu) {\n setScaleFactor(this.options.unitsPerAu);\n }\n\n // stats.js panel\n this.stats = undefined;\n this.fps = 1;\n\n this.lastUpdatedTime = Date.now();\n this.lastStaticCameraUpdateTime = Date.now();\n this.lastResizeUpdateTime = Date.now();\n\n // Rendering\n this.renderEnabled = true;\n this.initialRenderComplete = false;\n this.animate = this.animate.bind(this);\n\n this.renderer = this.initRenderer();\n this.scene = new THREE.Scene();\n this.camera = new Camera(this.getContext());\n this.composer = undefined;\n\n // Orbit particle system must be initialized after scene is created and\n // scale is set.\n this.particles = new KeplerParticles(\n {\n textureUrl:\n this.options.particleTextureUrl ||\n '{{assets}}/sprites/smallparticle.png',\n jd: this.jd,\n maxNumParticles: this.options.maxNumParticles,\n defaultSize: this.options.particleDefaultSize,\n },\n this,\n );\n\n this.init();\n this.animate();\n }\n\n /**\n * @private\n */\n private init() {\n // Camera\n this.camera\n .get3jsCamera()\n .position.set(\n this.cameraDefaultPos[0],\n this.cameraDefaultPos[1],\n this.cameraDefaultPos[2],\n );\n // window.cam = camera.get3jsCamera();\n\n // Events\n this.simulationElt.onmousedown = this.simulationElt.ontouchstart = () => {\n // When user begins interacting with the visualization, disable camera\n // drift.\n this.enableCameraDrift = false;\n };\n\n (() => {\n let listenToCameraEvents = false;\n this.camera.get3jsCameraControls().addEventListener('change', () => {\n // Camera will send a few initial events - ignore these.\n if (listenToCameraEvents) {\n this.staticForcedUpdate();\n }\n });\n setTimeout(() => {\n // Send an update when the visualization is done loading.\n this.staticForcedUpdate();\n listenToCameraEvents = true;\n this.initialRenderComplete = true;\n }, 0);\n })();\n\n this.simulationElt.addEventListener('resize', () => {\n this.resizeUpdate();\n });\n\n window.addEventListener('resize', () => {\n this.resizeUpdate();\n });\n\n // Helper\n if (this.options.debug) {\n if (this.options.debug.showGrid) {\n const gridHelper = new THREE.GridHelper(undefined, undefined);\n gridHelper.geometry.rotateX(Math.PI / 2);\n this.scene.add(gridHelper);\n }\n if (this.options.debug.showAxes) {\n this.scene.add(new THREE.AxesHelper(0.5));\n }\n if (this.options.debug.showStats) {\n this.stats = new (Stats as any)();\n this.stats!.showPanel(0);\n this.simulationElt.appendChild(this.stats!.dom);\n }\n }\n\n // Set up effect composer, etc.\n this.initPasses();\n }\n\n /**\n * @private\n */\n private initRenderer(): THREE.WebGL1Renderer {\n // TODO(ian): Upgrade to webgl 2. See https://discourse.threejs.org/t/webgl2-breaking-custom-shader/16603/4\n const renderer = new THREE.WebGL1Renderer({\n antialias: true,\n //logarithmicDepthBuffer: true,\n });\n console.info(\n 'Max texture resolution:',\n renderer.capabilities.maxTextureSize,\n );\n\n const maxPrecision = renderer.capabilities.getMaxPrecision('highp');\n if (maxPrecision !== 'highp') {\n console.warn(\n `Shader maximum precision is \"${maxPrecision}\", GPU rendering may not be accurate.`,\n );\n }\n\n renderer.setPixelRatio(window.devicePixelRatio);\n renderer.setSize(\n this.simulationElt.offsetWidth,\n this.simulationElt.offsetHeight,\n );\n\n this.simulationElt.appendChild(renderer.domElement);\n\n return renderer;\n }\n\n /**\n * @private\n */\n private initPasses() {\n //const smaaEffect = new SMAAEffect(assets.get(\"smaa-search\"), assets.get(\"smaa-area\"));\n //smaaEffect.colorEdgesMaterial.setEdgeDetectionThreshold(0.065);\n\n const camera = this.camera.get3jsCamera();\n\n /*\n const sunGeometry = new THREE.SphereBufferGeometry(\n rescaleNumber(0.004),\n 16,\n );\n const sunMaterial = new THREE.MeshBasicMaterial({\n color: 0xffddaa,\n transparent: true,\n depthWrite: false,\n fog: false,\n });\n const sun = new THREE.Mesh(sunGeometry, sunMaterial);\n const rescaled = rescaleArray([0.1, 0.1, 0.0]);\n sun.position.set(rescaled[0], rescaled[1], rescaled[2]);\n sun.updateMatrix();\n sun.updateMatrixWorld();\n\n const godRaysEffect = new GodRaysEffect(camera, sun, {\n color: 0xfff5f2,\n blur: false,\n });\n */\n //godRaysEffect.dithering = true;\n\n const bloomEffect = new BloomEffect({\n width: 240,\n height: 240,\n luminanceThreshold: 0.2,\n });\n bloomEffect.blendMode.opacity.value = 2.3;\n\n const renderPass = new RenderPass(this.scene, camera);\n renderPass.renderToScreen = false;\n\n const effectPass = new EffectPass(\n camera,\n /*smaaEffect, godRaysEffect*/ bloomEffect,\n );\n effectPass.renderToScreen = true;\n\n const composer = new EffectComposer(this.renderer);\n composer.addPass(renderPass);\n composer.addPass(effectPass);\n this.composer = composer;\n }\n\n /**\n * @private\n */\n private update(force = false) {\n for (const objId in this.subscribedObjects) {\n if (this.subscribedObjects.hasOwnProperty(objId)) {\n this.subscribedObjects[objId].update(this.jd, force);\n }\n }\n }\n\n /**\n * Performs a forced update of all elements in the view. This is used for when the system isn't animating but the\n * objects need to update their data to properly capture things like updated label positions.\n * @private\n */\n private staticForcedUpdate() {\n if (this.isPaused) {\n const now = Date.now();\n const timeDelta = now - this.lastStaticCameraUpdateTime;\n const threshold = 30;\n // TODO(ian): Also do this based on viewport change. Otherwise things like scrolling don't work well.\n if (timeDelta > threshold) {\n this.update(true /* force */);\n this.lastStaticCameraUpdateTime = now;\n }\n }\n }\n\n /**\n * @private\n * Updates the size of the control and forces a refresh of components whenever the control is being resized.\n */\n private resizeUpdate() {\n const now = Date.now();\n const timeDelta = now - this.lastResizeUpdateTime;\n const threshold = 30;\n\n if (timeDelta > threshold) {\n const newWidth = this.simulationElt.offsetWidth;\n const newHeight = this.simulationElt.offsetHeight;\n if (newWidth === 0 && newHeight === 0) {\n return;\n }\n const camera = this.camera.get3jsCamera();\n camera.aspect = newWidth / newHeight;\n camera.updateProjectionMatrix();\n this.renderer.setSize(newWidth, newHeight);\n this.staticForcedUpdate();\n this.lastResizeUpdateTime = now;\n }\n }\n\n /**\n * @private\n * TODO(ian): Move this into Camera\n */\n private doCameraDrift() {\n // Follow floating path around\n const timer = 0.0001 * Date.now();\n const pos = this.cameraDefaultPos;\n const cam = this.camera.get3jsCamera();\n cam.position.x = pos[0] + (pos[0] * (Math.cos(timer) + 1)) / 3;\n cam.position.z = pos[2] + (pos[2] * (Math.sin(timer) + 1)) / 3;\n }\n\n /**\n * @private\n */\n private animate() {\n if (!this.renderEnabled && this.initialRenderComplete) {\n return;\n }\n\n window.requestAnimationFrame(this.animate);\n\n if (this.stats) {\n this.stats.begin();\n }\n\n if (!this.isPaused) {\n if (this.jdDelta) {\n this.jd += this.jdDelta;\n } else {\n // N jd per second\n this.jd += this.jdPerSecond / this.fps;\n }\n\n const timeDelta = (Date.now() - this.lastUpdatedTime) / 1000;\n this.lastUpdatedTime = Date.now();\n this.fps = 1 / timeDelta || 1;\n\n // Update objects in this simulation\n this.update();\n }\n\n // Update camera drifting, if applicable\n if (this.enableCameraDrift) {\n this.doCameraDrift();\n }\n this.camera.update();\n\n // Update three.js scene\n this.renderer.render(this.scene, this.camera.get3jsCamera());\n //this.composer.render(0.1);\n\n if (this.onTick) {\n this.onTick();\n }\n\n if (this.stats) {\n this.stats.end();\n }\n }\n\n /**\n * Add a spacekit object (usually a SpaceObject) to the visualization.\n * @see SpaceObject\n * @param {Object} obj Object to add to visualization\n * @param {boolean} noUpdate Set to true if object does not need to be\n * animated.\n */\n addObject(obj: SimulationObject, noUpdate: boolean = false) {\n obj.get3jsObjects().map((x) => {\n this.scene.add(x);\n });\n\n if (!noUpdate) {\n // Call for updates as time passes.\n const objId = obj.getId();\n if (this.subscribedObjects[objId]) {\n console.error(\n `Object id is not unique: \"${objId}\". This could prevent objects from updating correctly.`,\n );\n }\n this.subscribedObjects[objId] = obj;\n }\n }\n\n /**\n * Removes an object from the visualization.\n * @param {Object} obj Object to remove\n */\n removeObject(obj: SpaceObject) {\n // TODO(ian): test this and avoid memory leaks...\n obj.get3jsObjects().map((x) => {\n this.scene.remove(x);\n });\n\n if (typeof obj.removalCleanup === 'function') {\n obj.removalCleanup();\n }\n delete this.subscribedObjects[obj.getId()];\n }\n\n /**\n * Shortcut for creating a new SpaceObject belonging to this visualization.\n * Takes any SpaceObject arguments.\n * @see SpaceObject\n */\n // @ts-ignore\n createObject(...args): SpaceObject {\n // @ts-ignore\n return new SpaceObject(...args, this);\n }\n\n /**\n * Shortcut for creating a new ShapeObject belonging to this visualization.\n * Takes any ShapeObject arguments.\n * @see ShapeObject\n */\n // @ts-ignore\n createShape(...args): ShapeObject {\n // @ts-ignore\n return new ShapeObject(...args, this);\n }\n\n /**\n * Shortcut for creating a new SphereOjbect belonging to this visualization.\n * Takes any SphereObject arguments.\n * @see SphereObject\n */\n // @ts-ignore\n createSphere(...args): SphereObject {\n // @ts-ignore\n return new SphereObject(...args, this);\n }\n\n /**\n * Shortcut for creating a new StaticParticles object belonging to this visualization.\n * Takes any StaticParticles arguments.\n * @see SphereObject\n */\n // @ts-ignore\n createStaticParticles(...args): StaticParticles {\n // @ts-ignore\n return new StaticParticles(...args, this);\n }\n\n /**\n * Shortcut for creating a new Skybox belonging to this visualization. Takes\n * any Skybox arguments.\n * @see Skybox\n */\n // @ts-ignore\n createSkybox(...args): Skybox {\n // @ts-ignore\n return new Skybox(...args, this);\n }\n\n /**\n * Shortcut for creating a new Stars object belonging to this visualization.\n * Takes any Stars arguments.\n * @see Stars\n */\n // @ts-ignore\n createStars(...args): Stars {\n if (args.length) {\n // @ts-ignore\n return new Stars(...args, this);\n }\n // No arguments supplied\n return new Stars({}, this);\n }\n\n /**\n * Creates an ambient light source. This will dimly light everything in the\n * visualization.\n * @param {Number} color Color of light, default 0x333333\n */\n createAmbientLight(color: number = 0x333333) {\n this.scene.add(new THREE.AmbientLight(color));\n this.useLightSources = true;\n }\n\n /**\n * Creates a light source. This will make the shape of your objects visible\n * and provide some contrast.\n * @param {Array.} pos Position of light source. Defaults to moving\n * with camera.\n * @param {Number} color Color of light, default 0xFFFFFF\n */\n createLight(\n pos: Coordinate3d | undefined = undefined,\n color: number = 0xffffff,\n ) {\n if (this.lightPosition) {\n console.warn(\n \"Spacekit doesn't support more than one light source for SphereObjects\",\n );\n }\n this.lightPosition = new THREE.Vector3();\n\n // Pointlight is for standard meshes created by ShapeObjects.\n // TODO(ian): Remove this point light.\n const pointLight = new THREE.PointLight();\n\n if (typeof pos === 'undefined') {\n // The light comes from the camera.\n // FIXME(ian): This only affects the point source.\n this.camera.get3jsCameraControls().addEventListener('change', () => {\n this.lightPosition!.copy(this.camera.get3jsCamera().position);\n pointLight.position.copy(this.camera.get3jsCamera().position);\n });\n } else {\n const rescaled = rescaleArray(pos);\n this.lightPosition.set(rescaled[0], rescaled[1], rescaled[2]);\n pointLight.position.set(rescaled[0], rescaled[1], rescaled[2]);\n }\n\n this.scene.add(pointLight);\n this.useLightSources = true;\n }\n\n getLightPosition(): Vector3 | undefined {\n return this.lightPosition;\n }\n\n isUsingLightSources(): boolean {\n return this.useLightSources;\n }\n\n /**\n * Returns a promise that receives a NaturalSatellites object when it is\n * resolved.\n * @return {Promise} NaturalSatellites object that is\n * ready to load.\n *\n * @see {NaturalSatellites}\n */\n loadNaturalSatellites(): Promise {\n return new NaturalSatellites(this).load();\n }\n\n /**\n * Installs a scroll handler that only renders the visualization while it is\n * in the user's viewport.\n *\n * The scroll handler currently binds to the window object only.\n */\n renderOnlyInViewport() {\n let previouslyInView = true;\n const isInView = () => {\n const rect = this.simulationElt.getBoundingClientRect();\n const windowHeight =\n window.innerHeight || document.documentElement.clientHeight;\n const windowWidth =\n window.innerWidth || document.documentElement.clientWidth;\n const vertInView =\n rect.top <= windowHeight && rect.top + rect.height >= 0;\n const horInView = rect.left <= windowWidth && rect.left + rect.width >= 0;\n\n return vertInView && horInView;\n };\n\n window.addEventListener('scroll', () => {\n const inView = isInView();\n if (previouslyInView && !inView) {\n // Went out of view\n this.renderEnabled = false;\n previouslyInView = false;\n } else if (!previouslyInView && inView) {\n // Came into view\n this.renderEnabled = true;\n window.requestAnimationFrame(this.animate);\n previouslyInView = true;\n }\n });\n\n if (!isInView()) {\n // Initial state is render enabled, so disable it if currently out of\n // view.\n this.renderEnabled = false;\n previouslyInView = false;\n }\n }\n\n /**\n * Adjust camera position so that the object fits within the viewport. If\n * applicable, this function will fit around the object's orbit.\n * @param {SpaceObject} spaceObj Object to fit within viewport.\n * @param {Number} offset Add some extra room in the viewport. Increase to be\n * further zoomed out, decrease to be closer. Default 3.0.\n */\n async zoomToFit(\n spaceObj: SpaceObject,\n offset: number = 3.0,\n ): Promise {\n const orbit = spaceObj.getOrbit();\n const obj = orbit\n ? orbit.getOrbitShape()\n : await spaceObj.getBoundingObject();\n if (obj) {\n this.doZoomToFit(obj, offset);\n return true;\n }\n return false;\n }\n\n /**\n * @private\n * Perform the actual zoom to fit behavior.\n * @param {Object3D} obj Three.js object to fit within viewport.\n * @param {Number} offset Add some extra room in the viewport. Increase to be\n * further zoomed out, decrease to be closer. Default 3.0.\n */\n private doZoomToFit(obj: Object3D, offset: number) {\n const boundingBox = new THREE.Box3();\n boundingBox.setFromObject(obj);\n\n const center = new THREE.Vector3();\n boundingBox.getCenter(center);\n const size = new THREE.Vector3();\n boundingBox.getSize(size);\n\n // Get the max side of the bounding box (fits to width OR height as needed)\n const camera = this.camera.get3jsCamera();\n const maxDim = Math.max(size.x, size.y, size.z);\n const fov = camera.fov * (Math.PI / 180);\n const cameraZ = Math.abs((maxDim / 2) * Math.tan(fov * 2)) * offset;\n\n const objectWorldPosition = new THREE.Vector3();\n obj.getWorldPosition(objectWorldPosition);\n const directionVector = camera.position.sub(objectWorldPosition); // Get vector from camera to object\n const unitDirectionVector = directionVector.normalize(); // Convert to unit vector\n\n const newpos = unitDirectionVector.multiplyScalar(cameraZ);\n camera.position.x = newpos.x;\n camera.position.y = newpos.y;\n camera.position.z = newpos.z;\n camera.updateProjectionMatrix();\n\n // Update default camera pos so if drift is on, camera will drift around\n // its new position.\n this.cameraDefaultPos = [newpos.x, newpos.y, newpos.z];\n }\n\n /**\n * Run the animation\n */\n start() {\n this.lastUpdatedTime = Date.now();\n this.isPaused = false;\n }\n\n /**\n * Stop the animation\n */\n stop() {\n this.isPaused = true;\n }\n\n /**\n * Gets the current JD date of the simulation\n * @return {Number} JD date\n */\n getJd(): number {\n return this.jd;\n }\n\n /**\n * Sets the JD date of the simulation.\n * @param {Number} val JD date\n */\n setJd(val: number) {\n this.jd = val;\n this.update(true);\n }\n\n /**\n * Get a date object representing local date and time of the simulation.\n * @return {Date} Date of simulation\n */\n getDate(): Date {\n return julian.toDate(this.jd);\n }\n\n /**\n * Set the local date and time of the simulation.\n * @param {Date} date Date of simulation\n */\n setDate(date: Date) {\n this.setJd(Number(julian(date)));\n }\n\n /**\n * Get the JD per frame of the visualization.\n */\n getJdDelta() {\n if (!this.jdDelta) {\n return this.jdPerSecond / this.fps;\n }\n return this.jdDelta;\n }\n\n /**\n * Set the JD per frame of the visualization. This will override any\n * existing \"JD per second\" setting.\n * @param {Number} delta JD per frame\n */\n setJdDelta(delta: number) {\n this.jdDelta = delta;\n }\n\n /**\n * Get the JD change per second of the visualization.\n * @return {Number | undefined} JD per second, undefined if jd per second is\n * not set.\n */\n getJdPerSecond(): number | undefined {\n if (this.jdDelta) {\n // Jd per second can vary\n return undefined;\n }\n return this.jdPerSecond;\n }\n\n /**\n * Set the JD change per second of the visualization.\n * @param {Number} x JD per second\n */\n setJdPerSecond(x: number) {\n // Delta overrides jd per second, so unset it.\n this.jdDelta = undefined;\n\n this.jdPerSecond = x;\n }\n\n /**\n * Get an object that contains useful context for this visualization\n * @return {Object} Context object\n */\n getContext(): SimulationContext {\n return {\n simulation: this,\n options: this.options,\n objects: {\n particles: this.particles,\n camera: this.camera,\n scene: this.scene,\n renderer: this.renderer,\n composer: this.composer,\n },\n container: {\n width: this.simulationElt.offsetWidth,\n height: this.simulationElt.offsetHeight,\n },\n };\n }\n\n /**\n * Get the element containing this simulation\n * @return {HTMLElement} The html container of this simulation\n */\n getSimulationElement(): HTMLCanvasElement {\n return this.simulationElt;\n }\n\n /**\n * Get the Camera and CameraControls wrapper object\n * @return {Camera} The Camera wrapper\n */\n getViewer(): Camera {\n return this.camera;\n }\n\n /**\n * Get the three.js scene object\n * @return {THREE.Scene} The THREE.js scene object\n */\n getScene(): THREE.Scene {\n return this.scene;\n }\n\n /**\n * Get the three.js renderer\n * @return {THREE.WebGL1Renderer} The THREE.js renderer\n */\n getRenderer(): THREE.WebGL1Renderer {\n return this.renderer;\n }\n\n /**\n * Enable or disable camera drift.\n * @param {boolean} driftOn True if you want the camera to float around a bit\n */\n setCameraDrift(driftOn: boolean) {\n this.enableCameraDrift = driftOn;\n }\n}\n\nexport default Simulation;\n", "var Stats = function () {\n\n\tvar mode = 0;\n\n\tvar container = document.createElement( 'div' );\n\tcontainer.style.cssText = 'position:fixed;top:0;left:0;cursor:pointer;opacity:0.9;z-index:10000';\n\tcontainer.addEventListener( 'click', function ( event ) {\n\n\t\tevent.preventDefault();\n\t\tshowPanel( ++ mode % container.children.length );\n\n\t}, false );\n\n\t//\n\n\tfunction addPanel( panel ) {\n\n\t\tcontainer.appendChild( panel.dom );\n\t\treturn panel;\n\n\t}\n\n\tfunction showPanel( id ) {\n\n\t\tfor ( var i = 0; i < container.children.length; i ++ ) {\n\n\t\t\tcontainer.children[ i ].style.display = i === id ? 'block' : 'none';\n\n\t\t}\n\n\t\tmode = id;\n\n\t}\n\n\t//\n\n\tvar beginTime = ( performance || Date ).now(), prevTime = beginTime, frames = 0;\n\n\tvar fpsPanel = addPanel( new Stats.Panel( 'FPS', '#0ff', '#002' ) );\n\tvar msPanel = addPanel( new Stats.Panel( 'MS', '#0f0', '#020' ) );\n\n\tif ( self.performance && self.performance.memory ) {\n\n\t\tvar memPanel = addPanel( new Stats.Panel( 'MB', '#f08', '#201' ) );\n\n\t}\n\n\tshowPanel( 0 );\n\n\treturn {\n\n\t\tREVISION: 16,\n\n\t\tdom: container,\n\n\t\taddPanel: addPanel,\n\t\tshowPanel: showPanel,\n\n\t\tbegin: function () {\n\n\t\t\tbeginTime = ( performance || Date ).now();\n\n\t\t},\n\n\t\tend: function () {\n\n\t\t\tframes ++;\n\n\t\t\tvar time = ( performance || Date ).now();\n\n\t\t\tmsPanel.update( time - beginTime, 200 );\n\n\t\t\tif ( time >= prevTime + 1000 ) {\n\n\t\t\t\tfpsPanel.update( ( frames * 1000 ) / ( time - prevTime ), 100 );\n\n\t\t\t\tprevTime = time;\n\t\t\t\tframes = 0;\n\n\t\t\t\tif ( memPanel ) {\n\n\t\t\t\t\tvar memory = performance.memory;\n\t\t\t\t\tmemPanel.update( memory.usedJSHeapSize / 1048576, memory.jsHeapSizeLimit / 1048576 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn time;\n\n\t\t},\n\n\t\tupdate: function () {\n\n\t\t\tbeginTime = this.end();\n\n\t\t},\n\n\t\t// Backwards Compatibility\n\n\t\tdomElement: container,\n\t\tsetMode: showPanel\n\n\t};\n\n};\n\nStats.Panel = function ( name, fg, bg ) {\n\n\tvar min = Infinity, max = 0, round = Math.round;\n\tvar PR = round( window.devicePixelRatio || 1 );\n\n\tvar WIDTH = 80 * PR, HEIGHT = 48 * PR,\n\t\tTEXT_X = 3 * PR, TEXT_Y = 2 * PR,\n\t\tGRAPH_X = 3 * PR, GRAPH_Y = 15 * PR,\n\t\tGRAPH_WIDTH = 74 * PR, GRAPH_HEIGHT = 30 * PR;\n\n\tvar canvas = document.createElement( 'canvas' );\n\tcanvas.width = WIDTH;\n\tcanvas.height = HEIGHT;\n\tcanvas.style.cssText = 'width:80px;height:48px';\n\n\tvar context = canvas.getContext( '2d' );\n\tcontext.font = 'bold ' + ( 9 * PR ) + 'px Helvetica,Arial,sans-serif';\n\tcontext.textBaseline = 'top';\n\n\tcontext.fillStyle = bg;\n\tcontext.fillRect( 0, 0, WIDTH, HEIGHT );\n\n\tcontext.fillStyle = fg;\n\tcontext.fillText( name, TEXT_X, TEXT_Y );\n\tcontext.fillRect( GRAPH_X, GRAPH_Y, GRAPH_WIDTH, GRAPH_HEIGHT );\n\n\tcontext.fillStyle = bg;\n\tcontext.globalAlpha = 0.9;\n\tcontext.fillRect( GRAPH_X, GRAPH_Y, GRAPH_WIDTH, GRAPH_HEIGHT );\n\n\treturn {\n\n\t\tdom: canvas,\n\n\t\tupdate: function ( value, maxValue ) {\n\n\t\t\tmin = Math.min( min, value );\n\t\t\tmax = Math.max( max, value );\n\n\t\t\tcontext.fillStyle = bg;\n\t\t\tcontext.globalAlpha = 1;\n\t\t\tcontext.fillRect( 0, 0, WIDTH, GRAPH_Y );\n\t\t\tcontext.fillStyle = fg;\n\t\t\tcontext.fillText( round( value ) + ' ' + name + ' (' + round( min ) + '-' + round( max ) + ')', TEXT_X, TEXT_Y );\n\n\t\t\tcontext.drawImage( canvas, GRAPH_X + PR, GRAPH_Y, GRAPH_WIDTH - PR, GRAPH_HEIGHT, GRAPH_X, GRAPH_Y, GRAPH_WIDTH - PR, GRAPH_HEIGHT );\n\n\t\t\tcontext.fillRect( GRAPH_X + GRAPH_WIDTH - PR, GRAPH_Y, PR, GRAPH_HEIGHT );\n\n\t\t\tcontext.fillStyle = bg;\n\t\t\tcontext.globalAlpha = 0.9;\n\t\t\tcontext.fillRect( GRAPH_X + GRAPH_WIDTH - PR, GRAPH_Y, PR, round( ( 1 - ( value / maxValue ) ) * GRAPH_HEIGHT ) );\n\n\t\t}\n\n\t};\n\n};\n\nexport default Stats;\n", "/**\n * postprocessing v6.29.0 build Mon Oct 17 2022\n * https://github.com/pmndrs/postprocessing\n * Copyright 2015-2022 Raoul van R\u00FCschen\n * @license Zlib\n */\n\n// src/core/Disposable.js\nvar Disposable = class {\n dispose() {\n }\n};\n\n// src/core/EffectComposer.js\nimport {\n DepthStencilFormat,\n DepthTexture,\n LinearFilter as LinearFilter2,\n REVISION as REVISION6,\n sRGBEncoding as sRGBEncoding8,\n UnsignedByteType as UnsignedByteType12,\n UnsignedIntType,\n UnsignedInt248Type,\n Vector2 as Vector217,\n WebGLMultisampleRenderTarget,\n WebGLRenderTarget as WebGLRenderTarget13\n} from \"three\";\n\n// src/passes/AdaptiveLuminancePass.js\nimport { NearestFilter, WebGLRenderTarget as WebGLRenderTarget3 } from \"three\";\n\n// src/materials/AdaptiveLuminanceMaterial.js\nimport { NoBlending, REVISION, ShaderMaterial, Uniform } from \"three\";\n\n// src/materials/glsl/adaptive-luminance.frag\nvar adaptive_luminance_default = \"#include \\n#define packFloatToRGBA(v) packDepthToRGBA(v)\\n#define unpackRGBAToFloat(v) unpackRGBAToDepth(v)\\nuniform lowp sampler2D luminanceBuffer0;uniform lowp sampler2D luminanceBuffer1;uniform float minLuminance;uniform float deltaTime;uniform float tau;varying vec2 vUv;void main(){float l0=unpackRGBAToFloat(texture2D(luminanceBuffer0,vUv));\\n#if __VERSION__ < 300\\nfloat l1=texture2DLodEXT(luminanceBuffer1,vUv,MIP_LEVEL_1X1).r;\\n#else\\nfloat l1=textureLod(luminanceBuffer1,vUv,MIP_LEVEL_1X1).r;\\n#endif\\nl0=max(minLuminance,l0);l1=max(minLuminance,l1);float adaptedLum=l0+(l1-l0)*(1.0-exp(-deltaTime*tau));gl_FragColor=(adaptedLum==1.0)?vec4(1.0):packFloatToRGBA(adaptedLum);}\";\n\n// src/materials/glsl/common.vert\nvar common_default = \"varying vec2 vUv;void main(){vUv=position.xy*0.5+0.5;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/AdaptiveLuminanceMaterial.js\nvar AdaptiveLuminanceMaterial = class extends ShaderMaterial {\n constructor() {\n super({\n name: \"AdaptiveLuminanceMaterial\",\n defines: {\n THREE_REVISION: REVISION.replace(/\\D+/g, \"\"),\n MIP_LEVEL_1X1: \"0.0\"\n },\n uniforms: {\n luminanceBuffer0: new Uniform(null),\n luminanceBuffer1: new Uniform(null),\n minLuminance: new Uniform(0.01),\n deltaTime: new Uniform(0),\n tau: new Uniform(1)\n },\n extensions: {\n shaderTextureLOD: true\n },\n blending: NoBlending,\n depthWrite: false,\n depthTest: false,\n fragmentShader: adaptive_luminance_default,\n vertexShader: common_default\n });\n this.toneMapped = false;\n }\n set luminanceBuffer0(value) {\n this.uniforms.luminanceBuffer0.value = value;\n }\n setLuminanceBuffer0(value) {\n this.uniforms.luminanceBuffer0.value = value;\n }\n set luminanceBuffer1(value) {\n this.uniforms.luminanceBuffer1.value = value;\n }\n setLuminanceBuffer1(value) {\n this.uniforms.luminanceBuffer1.value = value;\n }\n set mipLevel1x1(value) {\n this.defines.MIP_LEVEL_1X1 = value.toFixed(1);\n this.needsUpdate = true;\n }\n setMipLevel1x1(value) {\n this.mipLevel1x1 = value;\n }\n set deltaTime(value) {\n this.uniforms.deltaTime.value = value;\n }\n setDeltaTime(value) {\n this.uniforms.deltaTime.value = value;\n }\n get minLuminance() {\n return this.uniforms.minLuminance.value;\n }\n set minLuminance(value) {\n this.uniforms.minLuminance.value = value;\n }\n getMinLuminance() {\n return this.uniforms.minLuminance.value;\n }\n setMinLuminance(value) {\n this.uniforms.minLuminance.value = value;\n }\n get adaptationRate() {\n return this.uniforms.tau.value;\n }\n set adaptationRate(value) {\n this.uniforms.tau.value = value;\n }\n getAdaptationRate() {\n return this.uniforms.tau.value;\n }\n setAdaptationRate(value) {\n this.uniforms.tau.value = value;\n }\n};\n\n// src/materials/BokehMaterial.js\nimport { NoBlending as NoBlending2, ShaderMaterial as ShaderMaterial2, Uniform as Uniform2, Vector2 } from \"three\";\n\n// src/materials/glsl/convolution.bokeh.frag\nvar convolution_bokeh_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#if PASS == 1\\nuniform vec4 kernel64[32];\\n#else\\nuniform vec4 kernel16[8];\\n#endif\\nuniform lowp sampler2D cocBuffer;uniform vec2 texelSize;uniform float scale;varying vec2 vUv;void main(){\\n#ifdef FOREGROUND\\nvec2 CoCNearFar=texture2D(cocBuffer,vUv).rg;float CoC=CoCNearFar.r*scale;\\n#else\\nfloat CoC=texture2D(cocBuffer,vUv).g*scale;\\n#endif\\nif(CoC==0.0){gl_FragColor=texture2D(inputBuffer,vUv);}else{\\n#ifdef FOREGROUND\\nvec2 step=texelSize*max(CoC,CoCNearFar.g*scale);\\n#else\\nvec2 step=texelSize*CoC;\\n#endif\\n#if PASS == 1\\nvec4 acc=vec4(0.0);for(int i=0;i<32;++i){vec4 kernel=kernel64[i];vec2 uv=step*kernel.xy+vUv;acc+=texture2D(inputBuffer,uv);uv=step*kernel.zw+vUv;acc+=texture2D(inputBuffer,uv);}gl_FragColor=acc/64.0;\\n#else\\nvec4 maxValue=texture2D(inputBuffer,vUv);for(int i=0;i<8;++i){vec4 kernel=kernel16[i];vec2 uv=step*kernel.xy+vUv;maxValue=max(texture2D(inputBuffer,uv),maxValue);uv=step*kernel.zw+vUv;maxValue=max(texture2D(inputBuffer,uv),maxValue);}gl_FragColor=maxValue;\\n#endif\\n}}\";\n\n// src/materials/BokehMaterial.js\nvar BokehMaterial = class extends ShaderMaterial2 {\n constructor(fill = false, foreground = false) {\n super({\n name: \"BokehMaterial\",\n defines: {\n PASS: fill ? \"2\" : \"1\"\n },\n uniforms: {\n inputBuffer: new Uniform2(null),\n cocBuffer: new Uniform2(null),\n texelSize: new Uniform2(new Vector2()),\n kernel64: new Uniform2(null),\n kernel16: new Uniform2(null),\n scale: new Uniform2(1)\n },\n blending: NoBlending2,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_bokeh_default,\n vertexShader: common_default\n });\n this.toneMapped = false;\n if (foreground) {\n this.defines.FOREGROUND = \"1\";\n }\n this.generateKernel();\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n set cocBuffer(value) {\n this.uniforms.cocBuffer.value = value;\n }\n setCoCBuffer(value) {\n this.uniforms.cocBuffer.value = value;\n }\n get scale() {\n return this.uniforms.scale.value;\n }\n set scale(value) {\n this.uniforms.scale.value = value;\n }\n getScale(value) {\n return this.scale;\n }\n setScale(value) {\n this.scale = value;\n }\n generateKernel() {\n const GOLDEN_ANGLE = 2.39996323;\n const points64 = new Float64Array(128);\n const points16 = new Float64Array(32);\n let i64 = 0, i16 = 0;\n for (let i = 0, sqrt80 = Math.sqrt(80); i < 80; ++i) {\n const theta = i * GOLDEN_ANGLE;\n const r = Math.sqrt(i) / sqrt80;\n const u = r * Math.cos(theta), v3 = r * Math.sin(theta);\n if (i % 5 === 0) {\n points16[i16++] = u;\n points16[i16++] = v3;\n } else {\n points64[i64++] = u;\n points64[i64++] = v3;\n }\n }\n this.uniforms.kernel64.value = points64;\n this.uniforms.kernel16.value = points16;\n }\n setTexelSize(x, y) {\n this.uniforms.texelSize.value.set(x, y);\n }\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/BoxBlurMaterial.js\nimport { NoBlending as NoBlending3, PerspectiveCamera, ShaderMaterial as ShaderMaterial3, Uniform as Uniform3, Vector2 as Vector22 } from \"three\";\n\n// src/utils/getTextureDecoding.js\nimport {\n LinearEncoding,\n REVISION as REVISION2,\n RGBAFormat,\n sRGBEncoding,\n UnsignedByteType\n} from \"three\";\nfunction getTextureDecoding(texture, isWebGL2) {\n let decoding = \"texel\";\n if (texture !== null) {\n const revision = Number.parseInt(REVISION2);\n const sRGB8Alpha8 = isWebGL2 && revision >= 133 && revision !== 135 && texture.format === RGBAFormat && texture.type === UnsignedByteType && texture.encoding === sRGBEncoding;\n if (!sRGB8Alpha8) {\n switch (texture.encoding) {\n case sRGBEncoding:\n decoding = \"sRGBToLinear(texel)\";\n break;\n case LinearEncoding:\n decoding = \"texel\";\n break;\n default:\n throw new Error(`Unsupported encoding: ${texture.encoding}`);\n }\n }\n }\n return decoding;\n}\n\n// src/utils/orthographicDepthToViewZ.js\nfunction orthographicDepthToViewZ(depth, near, far) {\n return depth * (near - far) - near;\n}\n\n// src/utils/viewZToOrthographicDepth.js\nfunction viewZToOrthographicDepth(viewZ, near, far) {\n return Math.min(Math.max((viewZ + near) / (near - far), 0), 1);\n}\n\n// src/materials/glsl/convolution.box.frag\nvar convolution_box_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#ifdef BILATERAL\\n#include \\nuniform vec2 cameraNearFar;\\n#ifdef NORMAL_DEPTH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){return texture2D(normalDepthBuffer,uv).a;}\\n#else\\n#if DEPTH_PACKING == 3201\\nuniform lowp sampler2D depthBuffer;\\n#elif defined(GL_FRAGMENT_PRECISION_HIGH)\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}\\n#endif\\nfloat getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#endif\\n}\\n#ifdef PERSPECTIVE_CAMERA\\n#define linearDepth(v) viewZToOrthographicDepth(getViewZ(readDepth(v)), cameraNearFar.x, cameraNearFar.y)\\n#else\\n#define linearDepth(v) readDepth(v)\\n#endif\\n#endif\\n#define getTexel(v) texture2D(inputBuffer, v)\\n#if KERNEL_SIZE == 3\\nvarying vec2 vUv00,vUv01,vUv02;varying vec2 vUv03,vUv04,vUv05;varying vec2 vUv06,vUv07,vUv08;\\n#elif KERNEL_SIZE == 5 && MAX_VARYING_VECTORS >= 13\\nvarying vec2 vUv00,vUv01,vUv02,vUv03,vUv04;varying vec2 vUv05,vUv06,vUv07,vUv08,vUv09;varying vec2 vUv10,vUv11,vUv12,vUv13,vUv14;varying vec2 vUv15,vUv16,vUv17,vUv18,vUv19;varying vec2 vUv20,vUv21,vUv22,vUv23,vUv24;\\n#else\\nuniform vec2 texelSize;uniform float scale;varying vec2 vUv;\\n#endif\\nvoid main(){\\n#if KERNEL_SIZE == 3\\nvec4 c[]=vec4[KERNEL_SIZE_SQ](getTexel(vUv00),getTexel(vUv01),getTexel(vUv02),getTexel(vUv03),getTexel(vUv04),getTexel(vUv05),getTexel(vUv06),getTexel(vUv07),getTexel(vUv08));\\n#ifdef BILATERAL\\nfloat z[]=float[KERNEL_SIZE_SQ](linearDepth(vUv00),linearDepth(vUv01),linearDepth(vUv02),linearDepth(vUv03),linearDepth(vUv04),linearDepth(vUv05),linearDepth(vUv06),linearDepth(vUv07),linearDepth(vUv08));\\n#endif\\n#elif KERNEL_SIZE == 5 && MAX_VARYING_VECTORS >= 13\\nvec4 c[]=vec4[KERNEL_SIZE_SQ](getTexel(vUv00),getTexel(vUv01),getTexel(vUv02),getTexel(vUv03),getTexel(vUv04),getTexel(vUv05),getTexel(vUv06),getTexel(vUv07),getTexel(vUv08),getTexel(vUv09),getTexel(vUv10),getTexel(vUv11),getTexel(vUv12),getTexel(vUv13),getTexel(vUv14),getTexel(vUv15),getTexel(vUv16),getTexel(vUv17),getTexel(vUv18),getTexel(vUv19),getTexel(vUv20),getTexel(vUv21),getTexel(vUv22),getTexel(vUv23),getTexel(vUv24));\\n#ifdef BILATERAL\\nfloat z[]=float[KERNEL_SIZE_SQ](linearDepth(vUv00),linearDepth(vUv01),linearDepth(vUv02),linearDepth(vUv03),linearDepth(vUv04),linearDepth(vUv05),linearDepth(vUv06),linearDepth(vUv07),linearDepth(vUv08),linearDepth(vUv09),linearDepth(vUv10),linearDepth(vUv11),linearDepth(vUv12),linearDepth(vUv13),linearDepth(vUv14),linearDepth(vUv15),linearDepth(vUv16),linearDepth(vUv17),linearDepth(vUv18),linearDepth(vUv19),linearDepth(vUv20),linearDepth(vUv21),linearDepth(vUv22),linearDepth(vUv23),linearDepth(vUv24));\\n#endif\\n#endif\\nvec4 result=vec4(0.0);\\n#ifdef BILATERAL\\nfloat w=0.0;\\n#if KERNEL_SIZE == 3 || (KERNEL_SIZE == 5 && MAX_VARYING_VECTORS >= 13)\\nfloat centerDepth=z[KERNEL_SIZE_SQ_HALF];for(int i=0;i= 13)\\nfor(int i=0;i= 13\\nvarying vec2 vUv00,vUv01,vUv02,vUv03,vUv04;varying vec2 vUv05,vUv06,vUv07,vUv08,vUv09;varying vec2 vUv10,vUv11,vUv12,vUv13,vUv14;varying vec2 vUv15,vUv16,vUv17,vUv18,vUv19;varying vec2 vUv20,vUv21,vUv22,vUv23,vUv24;\\n#else\\nvarying vec2 vUv;\\n#endif\\nvoid main(){vec2 uv=position.xy*0.5+0.5;\\n#if KERNEL_SIZE == 3\\nvec2 s=texelSize*scale;vUv00=uv+s*vec2(-1.0,-1.0);vUv01=uv+s*vec2(0.0,-1.0);vUv02=uv+s*vec2(1.0,-1.0);vUv03=uv+s*vec2(-1.0,0.0);vUv04=uv;vUv05=uv+s*vec2(1.0,0.0);vUv06=uv+s*vec2(-1.0,1.0);vUv07=uv+s*vec2(0.0,1.0);vUv08=uv+s*vec2(1.0,1.0);\\n#elif KERNEL_SIZE == 5\\nvec2 s=texelSize*scale;vUv00=uv+s*vec2(-2.0,-2.0);vUv01=uv+s*vec2(-1.0,-2.0);vUv02=uv+s*vec2(0.0,-2.0);vUv03=uv+s*vec2(1.0,-2.0);vUv04=uv+s*vec2(2.0,-2.0);vUv05=uv+s*vec2(-2.0,-1.0);vUv06=uv+s*vec2(-1.0,-1.0);vUv07=uv+s*vec2(0.0,-1.0);vUv08=uv+s*vec2(1.0,-1.0);vUv09=uv+s*vec2(2.0,-1.0);vUv10=uv+s*vec2(-2.0,0.0);vUv11=uv+s*vec2(-1.0,0.0);vUv12=uv;vUv13=uv+s*vec2(1.0,0.0);vUv14=uv+s*vec2(2.0,0.0);vUv15=uv+s*vec2(-2.0,1.0);vUv16=uv+s*vec2(-1.0,1.0);vUv17=uv+s*vec2(0.0,1.0);vUv18=uv+s*vec2(1.0,1.0);vUv19=uv+s*vec2(2.0,1.0);vUv20=uv+s*vec2(-2.0,2.0);vUv21=uv+s*vec2(-1.0,2.0);vUv22=uv+s*vec2(0.0,2.0);vUv23=uv+s*vec2(1.0,2.0);vUv24=uv+s*vec2(2.0,2.0);\\n#else\\nvUv=uv;\\n#endif\\ngl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/BoxBlurMaterial.js\nvar BoxBlurMaterial = class extends ShaderMaterial3 {\n constructor({ bilateral = false, kernelSize = 5 } = {}) {\n super({\n name: \"BoxBlurMaterial\",\n defines: {\n DEPTH_PACKING: \"0\",\n DISTANCE_THRESHOLD: \"0.1\"\n },\n uniforms: {\n inputBuffer: new Uniform3(null),\n depthBuffer: new Uniform3(null),\n normalDepthBuffer: new Uniform3(null),\n texelSize: new Uniform3(new Vector22()),\n cameraNearFar: new Uniform3(new Vector22()),\n scale: new Uniform3(1)\n },\n blending: NoBlending3,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_box_default,\n vertexShader: convolution_box_default2\n });\n this.toneMapped = false;\n this.bilateral = bilateral;\n this.kernelSize = kernelSize;\n this.maxVaryingVectors = 8;\n }\n set maxVaryingVectors(value) {\n this.defines.MAX_VARYING_VECTORS = value.toFixed(0);\n }\n get kernelSize() {\n return Number(this.defines.KERNEL_SIZE);\n }\n set kernelSize(value) {\n if (value % 2 === 0) {\n throw new Error(\"The kernel size must be an odd number\");\n }\n this.defines.KERNEL_SIZE = value.toFixed(0);\n this.defines.KERNEL_SIZE_HALF = Math.floor(value / 2).toFixed(0);\n this.defines.KERNEL_SIZE_SQ = (value ** 2).toFixed(0);\n this.defines.KERNEL_SIZE_SQ_HALF = Math.floor(value ** 2 / 2).toFixed(0);\n this.defines.INV_KERNEL_SIZE_SQ = (1 / value ** 2).toFixed(6);\n this.needsUpdate = true;\n }\n get scale() {\n return this.uniforms.scale.value;\n }\n set scale(value) {\n this.uniforms.scale.value = value;\n }\n get near() {\n return this.uniforms.cameraNearFar.value.x;\n }\n get far() {\n return this.uniforms.cameraNearFar.value.y;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n set normalDepthBuffer(value) {\n this.uniforms.normalDepthBuffer.value = value;\n if (value !== null) {\n this.defines.NORMAL_DEPTH = \"1\";\n } else {\n delete this.defines.NORMAL_DEPTH;\n }\n this.needsUpdate = true;\n }\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n get bilateral() {\n return this.defines.BILATERAL !== void 0;\n }\n set bilateral(value) {\n if (value !== null) {\n this.defines.BILATERAL = \"1\";\n } else {\n delete this.defines.BILATERAL;\n }\n this.needsUpdate = true;\n }\n get worldDistanceThreshold() {\n return -orthographicDepthToViewZ(Number(this.defines.DISTANCE_THRESHOLD), this.near, this.far);\n }\n set worldDistanceThreshold(value) {\n const threshold = viewZToOrthographicDepth(-value, this.near, this.far);\n this.defines.DISTANCE_THRESHOLD = threshold.toFixed(12);\n this.needsUpdate = true;\n }\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNearFar.value.set(camera.near, camera.far);\n if (camera instanceof PerspectiveCamera) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/CircleOfConfusionMaterial.js\nimport { BasicDepthPacking, NoBlending as NoBlending4, PerspectiveCamera as PerspectiveCamera2, ShaderMaterial as ShaderMaterial4, Uniform as Uniform4 } from \"three\";\n\n// src/materials/glsl/circle-of-confusion.frag\nvar circle_of_confusion_default = \"#include \\n#include \\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nuniform float focusDistance;uniform float focusRange;uniform float cameraNear;uniform float cameraFar;varying vec2 vUv;float readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}void main(){float depth=readDepth(vUv);\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(depth,cameraNear,cameraFar);float linearDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearDepth=depth;\\n#endif\\nfloat signedDistance=linearDepth-focusDistance;float magnitude=smoothstep(0.0,focusRange,abs(signedDistance));gl_FragColor.rg=magnitude*vec2(step(signedDistance,0.0),step(0.0,signedDistance));}\";\n\n// src/materials/CircleOfConfusionMaterial.js\nvar CircleOfConfusionMaterial = class extends ShaderMaterial4 {\n constructor(camera) {\n super({\n name: \"CircleOfConfusionMaterial\",\n defines: {\n DEPTH_PACKING: \"0\"\n },\n uniforms: {\n depthBuffer: new Uniform4(null),\n focusDistance: new Uniform4(0),\n focusRange: new Uniform4(0),\n cameraNear: new Uniform4(0.3),\n cameraFar: new Uniform4(1e3)\n },\n blending: NoBlending4,\n depthWrite: false,\n depthTest: false,\n fragmentShader: circle_of_confusion_default,\n vertexShader: common_default\n });\n this.toneMapped = false;\n this.uniforms.focalLength = this.uniforms.focusRange;\n this.copyCameraSettings(camera);\n }\n get near() {\n return this.uniforms.cameraNear.value;\n }\n get far() {\n return this.uniforms.cameraFar.value;\n }\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n setDepthBuffer(buffer, depthPacking = BasicDepthPacking) {\n this.depthBuffer = buffer;\n this.depthPacking = depthPacking;\n }\n get focusDistance() {\n return this.uniforms.focusDistance.value;\n }\n set focusDistance(value) {\n this.uniforms.focusDistance.value = value;\n }\n get worldFocusDistance() {\n return -orthographicDepthToViewZ(this.focusDistance, this.near, this.far);\n }\n set worldFocusDistance(value) {\n this.focusDistance = viewZToOrthographicDepth(-value, this.near, this.far);\n }\n getFocusDistance(value) {\n this.uniforms.focusDistance.value = value;\n }\n setFocusDistance(value) {\n this.uniforms.focusDistance.value = value;\n }\n get focalLength() {\n return this.focusRange;\n }\n set focalLength(value) {\n this.focusRange = value;\n }\n get focusRange() {\n return this.uniforms.focusRange.value;\n }\n set focusRange(value) {\n this.uniforms.focusRange.value = value;\n }\n get worldFocusRange() {\n return -orthographicDepthToViewZ(this.focusRange, this.near, this.far);\n }\n set worldFocusRange(value) {\n this.focusRange = viewZToOrthographicDepth(-value, this.near, this.far);\n }\n getFocalLength(value) {\n return this.focusRange;\n }\n setFocalLength(value) {\n this.focusRange = value;\n }\n adoptCameraSettings(camera) {\n this.copyCameraSettings(camera);\n }\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNear.value = camera.near;\n this.uniforms.cameraFar.value = camera.far;\n if (camera instanceof PerspectiveCamera2) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n};\n\n// src/materials/KawaseBlurMaterial.js\nimport { NoBlending as NoBlending5, ShaderMaterial as ShaderMaterial5, Uniform as Uniform5, Vector4 } from \"three\";\n\n// src/enums/BlendFunction.js\nvar BlendFunction = {\n SKIP: 9,\n SET: 30,\n ADD: 0,\n ALPHA: 1,\n AVERAGE: 2,\n COLOR: 3,\n COLOR_BURN: 4,\n COLOR_DODGE: 5,\n DARKEN: 6,\n DIFFERENCE: 7,\n DIVIDE: 8,\n DST: 9,\n EXCLUSION: 10,\n HARD_LIGHT: 11,\n HARD_MIX: 12,\n HUE: 13,\n INVERT: 14,\n INVERT_RGB: 15,\n LIGHTEN: 16,\n LINEAR_BURN: 17,\n LINEAR_DODGE: 18,\n LINEAR_LIGHT: 19,\n LUMINOSITY: 20,\n MULTIPLY: 21,\n NEGATION: 22,\n NORMAL: 23,\n OVERLAY: 24,\n PIN_LIGHT: 25,\n REFLECT: 26,\n SATURATION: 27,\n SCREEN: 28,\n SOFT_LIGHT: 29,\n SRC: 30,\n SUBTRACT: 31,\n VIVID_LIGHT: 32\n};\n\n// src/enums/ColorChannel.js\nvar ColorChannel = {\n RED: 0,\n GREEN: 1,\n BLUE: 2,\n ALPHA: 3\n};\n\n// src/enums/DepthCopyMode.js\nvar DepthCopyMode = {\n FULL: 0,\n SINGLE: 1\n};\n\n// src/enums/DepthTestStrategy.js\nvar DepthTestStrategy = {\n DEFAULT: 0,\n KEEP_MAX_DEPTH: 1,\n DISCARD_MAX_DEPTH: 2\n};\n\n// src/enums/EdgeDetectionMode.js\nvar EdgeDetectionMode = {\n DEPTH: 0,\n LUMA: 1,\n COLOR: 2\n};\n\n// src/enums/EffectAttribute.js\nvar EffectAttribute = {\n NONE: 0,\n DEPTH: 1,\n CONVOLUTION: 2\n};\n\n// src/enums/EffectShaderSection.js\nvar EffectShaderSection = {\n FRAGMENT_HEAD: \"FRAGMENT_HEAD\",\n FRAGMENT_MAIN_UV: \"FRAGMENT_MAIN_UV\",\n FRAGMENT_MAIN_IMAGE: \"FRAGMENT_MAIN_IMAGE\",\n VERTEX_HEAD: \"VERTEX_HEAD\",\n VERTEX_MAIN_SUPPORT: \"VERTEX_MAIN_SUPPORT\"\n};\n\n// src/enums/GlitchMode.js\nvar GlitchMode = {\n DISABLED: 0,\n SPORADIC: 1,\n CONSTANT_MILD: 2,\n CONSTANT_WILD: 3\n};\n\n// src/enums/KernelSize.js\nvar KernelSize = {\n VERY_SMALL: 0,\n SMALL: 1,\n MEDIUM: 2,\n LARGE: 3,\n VERY_LARGE: 4,\n HUGE: 5\n};\n\n// src/enums/LUTOperation.js\nvar LUTOperation = {\n SCALE_UP: \"lut.scaleup\"\n};\n\n// src/enums/MaskFunction.js\nvar MaskFunction = {\n DISCARD: 0,\n MULTIPLY: 1,\n MULTIPLY_RGB_SET_ALPHA: 2\n};\n\n// src/enums/PredicationMode.js\nvar PredicationMode = {\n DISABLED: 0,\n DEPTH: 1,\n CUSTOM: 2\n};\n\n// src/enums/SMAAPreset.js\nvar SMAAPreset = {\n LOW: 0,\n MEDIUM: 1,\n HIGH: 2,\n ULTRA: 3\n};\n\n// src/enums/ToneMappingMode.js\nvar ToneMappingMode = {\n REINHARD: 0,\n REINHARD2: 1,\n REINHARD2_ADAPTIVE: 2,\n OPTIMIZED_CINEON: 3,\n ACES_FILMIC: 4\n};\n\n// src/enums/VignetteTechnique.js\nvar VignetteTechnique = {\n DEFAULT: 0,\n ESKIL: 1\n};\n\n// src/enums/WebGLExtension.js\nvar WebGLExtension = {\n DERIVATIVES: \"derivatives\",\n FRAG_DEPTH: \"fragDepth\",\n DRAW_BUFFERS: \"drawBuffers\",\n SHADER_TEXTURE_LOD: \"shaderTextureLOD\"\n};\n\n// src/materials/glsl/convolution.kawase.frag\nvar convolution_kawase_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nvarying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec4 sum=texture2D(inputBuffer,vUv0);sum+=texture2D(inputBuffer,vUv1);sum+=texture2D(inputBuffer,vUv2);sum+=texture2D(inputBuffer,vUv3);gl_FragColor=sum*0.25;\\n#include \\n}\";\n\n// src/materials/glsl/convolution.kawase.vert\nvar convolution_kawase_default2 = \"uniform vec4 texelSize;uniform float kernel;uniform float scale;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 uv=position.xy*0.5+0.5;vec2 dUv=(texelSize.xy*vec2(kernel)+texelSize.zw)*scale;vUv0=vec2(uv.x-dUv.x,uv.y+dUv.y);vUv1=vec2(uv.x+dUv.x,uv.y+dUv.y);vUv2=vec2(uv.x+dUv.x,uv.y-dUv.y);vUv3=vec2(uv.x-dUv.x,uv.y-dUv.y);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/KawaseBlurMaterial.js\nvar kernelPresets = [\n new Float32Array([0, 0]),\n new Float32Array([0, 1, 1]),\n new Float32Array([0, 1, 1, 2]),\n new Float32Array([0, 1, 2, 2, 3]),\n new Float32Array([0, 1, 2, 3, 4, 4, 5]),\n new Float32Array([0, 1, 2, 3, 4, 5, 7, 8, 9, 10])\n];\nvar KawaseBlurMaterial = class extends ShaderMaterial5 {\n constructor(texelSize = new Vector4()) {\n super({\n name: \"KawaseBlurMaterial\",\n uniforms: {\n inputBuffer: new Uniform5(null),\n texelSize: new Uniform5(new Vector4()),\n scale: new Uniform5(1),\n kernel: new Uniform5(0)\n },\n blending: NoBlending5,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_kawase_default,\n vertexShader: convolution_kawase_default2\n });\n this.toneMapped = false;\n this.setTexelSize(texelSize.x, texelSize.y);\n this.kernelSize = KernelSize.MEDIUM;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setInputBuffer(value) {\n this.inputBuffer = value;\n }\n get kernelSequence() {\n return kernelPresets[this.kernelSize];\n }\n get scale() {\n return this.uniforms.scale.value;\n }\n set scale(value) {\n this.uniforms.scale.value = value;\n }\n getScale() {\n return this.uniforms.scale.value;\n }\n setScale(value) {\n this.uniforms.scale.value = value;\n }\n getKernel() {\n return null;\n }\n get kernel() {\n return this.uniforms.kernel.value;\n }\n set kernel(value) {\n this.uniforms.kernel.value = value;\n }\n setKernel(value) {\n this.kernel = value;\n }\n setTexelSize(x, y) {\n this.uniforms.texelSize.value.set(x, y, x * 0.5, y * 0.5);\n }\n setSize(width, height) {\n const x = 1 / width, y = 1 / height;\n this.uniforms.texelSize.value.set(x, y, x * 0.5, y * 0.5);\n }\n};\n\n// src/materials/CopyMaterial.js\nimport { NoBlending as NoBlending6, ShaderMaterial as ShaderMaterial6, Uniform as Uniform6 } from \"three\";\n\n// src/materials/glsl/copy.frag\nvar copy_default = \"#include \\n#include \\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform float opacity;varying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);gl_FragColor=opacity*texel;\\n#include \\n#include \\n}\";\n\n// src/materials/CopyMaterial.js\nvar CopyMaterial = class extends ShaderMaterial6 {\n constructor() {\n super({\n name: \"CopyMaterial\",\n uniforms: {\n inputBuffer: new Uniform6(null),\n opacity: new Uniform6(1)\n },\n blending: NoBlending6,\n depthWrite: false,\n depthTest: false,\n fragmentShader: copy_default,\n vertexShader: common_default\n });\n this.toneMapped = false;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n getOpacity(value) {\n return this.uniforms.opacity.value;\n }\n setOpacity(value) {\n this.uniforms.opacity.value = value;\n }\n};\n\n// src/materials/DepthComparisonMaterial.js\nimport { NoBlending as NoBlending7, PerspectiveCamera as PerspectiveCamera3, RGBADepthPacking, ShaderMaterial as ShaderMaterial7, Uniform as Uniform7 } from \"three\";\n\n// src/materials/glsl/depth-comparison.frag\nvar depth_comparison_default = \"#include \\n#include \\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nuniform float cameraNear;uniform float cameraFar;varying float vViewZ;varying vec4 vProjTexCoord;void main(){\\n#include \\nvec2 projTexCoord=(vProjTexCoord.xy/vProjTexCoord.w)*0.5+0.5;projTexCoord=clamp(projTexCoord,0.002,0.998);\\n#if DEPTH_PACKING == 3201\\nfloat fragCoordZ=unpackRGBAToDepth(texture2D(depthBuffer,projTexCoord));\\n#else\\nfloat fragCoordZ=texture2D(depthBuffer,projTexCoord).r;\\n#endif\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(fragCoordZ,cameraNear,cameraFar);\\n#else\\nfloat viewZ=orthographicDepthToViewZ(fragCoordZ,cameraNear,cameraFar);\\n#endif\\nfloat depthTest=(-vViewZ>-viewZ)?1.0:0.0;gl_FragColor.rg=vec2(0.0,depthTest);}\";\n\n// src/materials/glsl/depth-comparison.vert\nvar depth_comparison_default2 = \"#include \\n#include \\n#include \\n#include \\nvarying float vViewZ;varying vec4 vProjTexCoord;void main(){\\n#include \\n#include \\n#include \\n#include \\n#include \\nvViewZ=mvPosition.z;vProjTexCoord=gl_Position;\\n#include \\n}\";\n\n// src/materials/DepthComparisonMaterial.js\nvar DepthComparisonMaterial = class extends ShaderMaterial7 {\n constructor(depthTexture = null, camera) {\n super({\n name: \"DepthComparisonMaterial\",\n defines: {\n DEPTH_PACKING: \"0\"\n },\n uniforms: {\n depthBuffer: new Uniform7(null),\n cameraNear: new Uniform7(0.3),\n cameraFar: new Uniform7(1e3)\n },\n blending: NoBlending7,\n depthWrite: false,\n depthTest: false,\n fragmentShader: depth_comparison_default,\n vertexShader: depth_comparison_default2\n });\n this.toneMapped = false;\n this.depthBuffer = depthTexture;\n this.depthPacking = RGBADepthPacking;\n this.copyCameraSettings(camera);\n }\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n setDepthBuffer(buffer, depthPacking = RGBADepthPacking) {\n this.depthBuffer = buffer;\n this.depthPacking = depthPacking;\n }\n adoptCameraSettings(camera) {\n this.copyCameraSettings(camera);\n }\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNear.value = camera.near;\n this.uniforms.cameraFar.value = camera.far;\n if (camera instanceof PerspectiveCamera3) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n};\n\n// src/materials/DepthCopyMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking2, NoBlending as NoBlending8, ShaderMaterial as ShaderMaterial8, Uniform as Uniform8, Vector2 as Vector23 } from \"three\";\n\n// src/materials/glsl/depth-copy.frag\nvar depth_copy_default = \"#include \\nvarying vec2 vUv;\\n#ifdef NORMAL_DEPTH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){return texture2D(normalDepthBuffer,uv).a;}\\n#else\\n#if INPUT_DEPTH_PACKING == 3201\\nuniform lowp sampler2D depthBuffer;\\n#elif defined(GL_FRAGMENT_PRECISION_HIGH)\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if INPUT_DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}\\n#endif\\nvoid main(){\\n#if INPUT_DEPTH_PACKING == OUTPUT_DEPTH_PACKING\\ngl_FragColor=texture2D(depthBuffer,vUv);\\n#else\\nfloat depth=readDepth(vUv);\\n#if OUTPUT_DEPTH_PACKING == 3201\\ngl_FragColor=(depth==1.0)?vec4(1.0):packDepthToRGBA(depth);\\n#else\\ngl_FragColor=vec4(vec3(depth),1.0);\\n#endif\\n#endif\\n}\";\n\n// src/materials/glsl/depth-copy.vert\nvar depth_copy_default2 = \"varying vec2 vUv;\\n#if DEPTH_COPY_MODE == 1\\nuniform vec2 texelPosition;\\n#endif\\nvoid main(){\\n#if DEPTH_COPY_MODE == 1\\nvUv=texelPosition;\\n#else\\nvUv=position.xy*0.5+0.5;\\n#endif\\ngl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/DepthCopyMaterial.js\nvar DepthCopyMaterial = class extends ShaderMaterial8 {\n constructor() {\n super({\n name: \"DepthCopyMaterial\",\n defines: {\n INPUT_DEPTH_PACKING: \"0\",\n OUTPUT_DEPTH_PACKING: \"0\",\n DEPTH_COPY_MODE: \"0\"\n },\n uniforms: {\n depthBuffer: new Uniform8(null),\n texelPosition: new Uniform8(new Vector23())\n },\n blending: NoBlending8,\n depthWrite: false,\n depthTest: false,\n fragmentShader: depth_copy_default,\n vertexShader: depth_copy_default2\n });\n this.toneMapped = false;\n this.depthCopyMode = DepthCopyMode.FULL;\n }\n get depthBuffer() {\n return this.uniforms.depthBuffer.value;\n }\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n set inputDepthPacking(value) {\n this.defines.INPUT_DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n get outputDepthPacking() {\n return Number(this.defines.OUTPUT_DEPTH_PACKING);\n }\n set outputDepthPacking(value) {\n this.defines.OUTPUT_DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n setDepthBuffer(buffer, depthPacking = BasicDepthPacking2) {\n this.depthBuffer = buffer;\n this.inputDepthPacking = depthPacking;\n }\n getInputDepthPacking() {\n return Number(this.defines.INPUT_DEPTH_PACKING);\n }\n setInputDepthPacking(value) {\n this.defines.INPUT_DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n getOutputDepthPacking() {\n return Number(this.defines.OUTPUT_DEPTH_PACKING);\n }\n setOutputDepthPacking(value) {\n this.defines.OUTPUT_DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n get texelPosition() {\n return this.uniforms.texelPosition.value;\n }\n getTexelPosition() {\n return this.uniforms.texelPosition.value;\n }\n setTexelPosition(value) {\n this.uniforms.texelPosition.value = value;\n }\n get mode() {\n return this.depthCopyMode;\n }\n set mode(value) {\n this.depthCopyMode = value;\n this.defines.DEPTH_COPY_MODE = value.toFixed(0);\n this.needsUpdate = true;\n }\n getMode() {\n return this.mode;\n }\n setMode(value) {\n this.mode = value;\n }\n};\n\n// src/materials/DepthDownsamplingMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking3, NoBlending as NoBlending9, ShaderMaterial as ShaderMaterial9, Uniform as Uniform9, Vector2 as Vector24 } from \"three\";\n\n// src/materials/glsl/depth-downsampling.frag\nvar depth_downsampling_default = \"#include \\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\n#ifdef DOWNSAMPLE_NORMALS\\nuniform lowp sampler2D normalBuffer;\\n#endif\\nvarying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;float readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}int findBestDepth(const in float samples[4]){float c=(samples[0]+samples[1]+samples[2]+samples[3])*0.25;float distances[]=float[4](abs(c-samples[0]),abs(c-samples[1]),abs(c-samples[2]),abs(c-samples[3]));float maxDistance=max(max(distances[0],distances[1]),max(distances[2],distances[3]));int remaining[3];int rejected[3];int i,j,k;for(i=0,j=0,k=0;i<4;++i){if(distances[i]\\n#include \\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer0;uniform highp sampler2D depthBuffer1;\\n#else\\nuniform mediump sampler2D depthBuffer0;uniform mediump sampler2D depthBuffer1;\\n#endif\\nuniform sampler2D inputBuffer;uniform vec2 cameraNearFar;float getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#endif\\n}varying vec2 vUv;void main(){vec2 depth;\\n#if DEPTH_PACKING_0 == 3201\\ndepth.x=unpackRGBAToDepth(texture2D(depthBuffer0,vUv));\\n#else\\ndepth.x=texture2D(depthBuffer0,vUv).r;\\n#endif\\n#if DEPTH_PACKING_1 == 3201\\ndepth.y=unpackRGBAToDepth(texture2D(depthBuffer1,vUv));\\n#else\\ndepth.y=texture2D(depthBuffer1,vUv).r;\\n#endif\\nbool isMaxDepth=(depth.x==1.0);\\n#ifdef PERSPECTIVE_CAMERA\\ndepth.x=viewZToOrthographicDepth(getViewZ(depth.x),cameraNearFar.x,cameraNearFar.y);depth.y=viewZToOrthographicDepth(getViewZ(depth.y),cameraNearFar.x,cameraNearFar.y);\\n#endif\\n#if DEPTH_TEST_STRATEGY == 0\\nbool keep=depthTest(depth.x,depth.y);\\n#elif DEPTH_TEST_STRATEGY == 1\\nbool keep=isMaxDepth||depthTest(depth.x,depth.y);\\n#else\\nbool keep=!isMaxDepth&&depthTest(depth.x,depth.y);\\n#endif\\nif(keep){gl_FragColor=texture2D(inputBuffer,vUv);}else{discard;}}\";\n\n// src/materials/DepthMaskMaterial.js\nvar DepthMaskMaterial = class extends ShaderMaterial10 {\n constructor() {\n super({\n name: \"DepthMaskMaterial\",\n defines: {\n DEPTH_EPSILON: \"0.0001\",\n DEPTH_PACKING_0: \"0\",\n DEPTH_PACKING_1: \"0\",\n DEPTH_TEST_STRATEGY: DepthTestStrategy.KEEP_MAX_DEPTH\n },\n uniforms: {\n inputBuffer: new Uniform10(null),\n depthBuffer0: new Uniform10(null),\n depthBuffer1: new Uniform10(null),\n cameraNearFar: new Uniform10(new Vector25(1, 1))\n },\n blending: NoBlending10,\n depthWrite: false,\n depthTest: false,\n fragmentShader: depth_mask_default,\n vertexShader: common_default\n });\n this.toneMapped = false;\n this.depthMode = LessDepth;\n }\n set depthBuffer0(value) {\n this.uniforms.depthBuffer0.value = value;\n }\n set depthPacking0(value) {\n this.defines.DEPTH_PACKING_0 = value.toFixed(0);\n this.needsUpdate = true;\n }\n setDepthBuffer0(buffer, depthPacking = BasicDepthPacking4) {\n this.depthBuffer0 = buffer;\n this.depthPacking0 = depthPacking;\n }\n set depthBuffer1(value) {\n this.uniforms.depthBuffer1.value = value;\n }\n set depthPacking1(value) {\n this.defines.DEPTH_PACKING_1 = value.toFixed(0);\n this.needsUpdate = true;\n }\n setDepthBuffer1(buffer, depthPacking = BasicDepthPacking4) {\n this.depthBuffer1 = buffer;\n this.depthPacking1 = depthPacking;\n }\n get maxDepthStrategy() {\n return Number(this.defines.DEPTH_TEST_STRATEGY);\n }\n set maxDepthStrategy(value) {\n this.defines.DEPTH_TEST_STRATEGY = value.toFixed(0);\n this.needsUpdate = true;\n }\n get keepFar() {\n return this.maxDepthStrategy;\n }\n set keepFar(value) {\n this.maxDepthStrategy = value ? DepthTestStrategy.KEEP_MAX_DEPTH : DepthTestStrategy.DISCARD_MAX_DEPTH;\n }\n getMaxDepthStrategy() {\n return this.maxDepthStrategy;\n }\n setMaxDepthStrategy(value) {\n this.maxDepthStrategy = value;\n }\n get epsilon() {\n return Number(this.defines.DEPTH_EPSILON);\n }\n set epsilon(value) {\n this.defines.DEPTH_EPSILON = value.toFixed(16);\n this.needsUpdate = true;\n }\n getEpsilon() {\n return this.epsilon;\n }\n setEpsilon(value) {\n this.epsilon = value;\n }\n get depthMode() {\n return Number(this.defines.DEPTH_MODE);\n }\n set depthMode(value) {\n let depthTest;\n switch (value) {\n case NeverDepth:\n depthTest = \"false\";\n break;\n case AlwaysDepth:\n depthTest = \"true\";\n break;\n case EqualDepth:\n depthTest = \"abs(d1 - d0) <= DEPTH_EPSILON\";\n break;\n case NotEqualDepth:\n depthTest = \"abs(d1 - d0) > DEPTH_EPSILON\";\n break;\n case LessDepth:\n depthTest = \"d0 > d1\";\n break;\n case LessEqualDepth:\n depthTest = \"d0 >= d1\";\n break;\n case GreaterEqualDepth:\n depthTest = \"d0 <= d1\";\n break;\n case GreaterDepth:\n default:\n depthTest = \"d0 < d1\";\n break;\n }\n this.defines.DEPTH_MODE = value.toFixed(0);\n this.defines[\"depthTest(d0, d1)\"] = depthTest;\n this.needsUpdate = true;\n }\n getDepthMode() {\n return this.depthMode;\n }\n setDepthMode(mode) {\n this.depthMode = mode;\n }\n adoptCameraSettings(camera) {\n this.copyCameraSettings(camera);\n }\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNearFar.value.set(camera.near, camera.far);\n if (camera instanceof PerspectiveCamera4) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n};\n\n// src/materials/DownsamplingMaterial.js\nimport { NoBlending as NoBlending11, ShaderMaterial as ShaderMaterial11, Uniform as Uniform11, Vector2 as Vector26 } from \"three\";\n\n// src/materials/glsl/convolution.downsampling.frag\nvar convolution_downsampling_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#define WEIGHT_INNER 0.125\\n#define WEIGHT_OUTER 0.0555555\\nvarying vec2 vUv;varying vec2 vUv00;varying vec2 vUv01;varying vec2 vUv02;varying vec2 vUv03;varying vec2 vUv04;varying vec2 vUv05;varying vec2 vUv06;varying vec2 vUv07;varying vec2 vUv08;varying vec2 vUv09;varying vec2 vUv10;varying vec2 vUv11;float clampToBorder(const in vec2 uv){return float(uv.s>=0.0&&uv.s<=1.0&&uv.t>=0.0&&uv.t<=1.0);}void main(){vec4 c=vec4(0.0);vec4 w=WEIGHT_INNER*vec4(clampToBorder(vUv00),clampToBorder(vUv01),clampToBorder(vUv02),clampToBorder(vUv03));c+=w.x*texture2D(inputBuffer,vUv00);c+=w.y*texture2D(inputBuffer,vUv01);c+=w.z*texture2D(inputBuffer,vUv02);c+=w.w*texture2D(inputBuffer,vUv03);w=WEIGHT_OUTER*vec4(clampToBorder(vUv04),clampToBorder(vUv05),clampToBorder(vUv06),clampToBorder(vUv07));c+=w.x*texture2D(inputBuffer,vUv04);c+=w.y*texture2D(inputBuffer,vUv05);c+=w.z*texture2D(inputBuffer,vUv06);c+=w.w*texture2D(inputBuffer,vUv07);w=WEIGHT_OUTER*vec4(clampToBorder(vUv08),clampToBorder(vUv09),clampToBorder(vUv10),clampToBorder(vUv11));c+=w.x*texture2D(inputBuffer,vUv08);c+=w.y*texture2D(inputBuffer,vUv09);c+=w.z*texture2D(inputBuffer,vUv10);c+=w.w*texture2D(inputBuffer,vUv11);c+=WEIGHT_OUTER*texture2D(inputBuffer,vUv);gl_FragColor=c;\\n#include \\n}\";\n\n// src/materials/glsl/convolution.downsampling.vert\nvar convolution_downsampling_default2 = \"uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv00;varying vec2 vUv01;varying vec2 vUv02;varying vec2 vUv03;varying vec2 vUv04;varying vec2 vUv05;varying vec2 vUv06;varying vec2 vUv07;varying vec2 vUv08;varying vec2 vUv09;varying vec2 vUv10;varying vec2 vUv11;void main(){vUv=position.xy*0.5+0.5;vUv00=vUv+texelSize*vec2(-1.0,1.0);vUv01=vUv+texelSize*vec2(1.0,1.0);vUv02=vUv+texelSize*vec2(-1.0,-1.0);vUv03=vUv+texelSize*vec2(1.0,-1.0);vUv04=vUv+texelSize*vec2(-2.0,2.0);vUv05=vUv+texelSize*vec2(0.0,2.0);vUv06=vUv+texelSize*vec2(2.0,2.0);vUv07=vUv+texelSize*vec2(-2.0,0.0);vUv08=vUv+texelSize*vec2(2.0,0.0);vUv09=vUv+texelSize*vec2(-2.0,-2.0);vUv10=vUv+texelSize*vec2(0.0,-2.0);vUv11=vUv+texelSize*vec2(2.0,-2.0);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/DownsamplingMaterial.js\nvar DownsamplingMaterial = class extends ShaderMaterial11 {\n constructor() {\n super({\n name: \"DownsamplingMaterial\",\n uniforms: {\n inputBuffer: new Uniform11(null),\n texelSize: new Uniform11(new Vector26())\n },\n blending: NoBlending11,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_downsampling_default,\n vertexShader: convolution_downsampling_default2\n });\n this.toneMapped = false;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/EdgeDetectionMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking5, NoBlending as NoBlending12, REVISION as REVISION3, ShaderMaterial as ShaderMaterial12, Uniform as Uniform12, Vector2 as Vector27 } from \"three\";\n\n// src/materials/glsl/edge-detection.frag\nvar edge_detection_default = \"varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;\\n#if THREE_REVISION < 143\\n#define luminance(v) linearToRelativeLuminance(v)\\n#endif\\n#if EDGE_DETECTION_MODE != 0\\nvarying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;\\n#endif\\n#if EDGE_DETECTION_MODE == 1\\n#include \\n#endif\\n#if EDGE_DETECTION_MODE == 0 || PREDICATION_MODE == 1\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}vec3 gatherNeighbors(){float p=readDepth(vUv);float pLeft=readDepth(vUv0);float pTop=readDepth(vUv1);return vec3(p,pLeft,pTop);}\\n#elif PREDICATION_MODE == 2\\nuniform sampler2D predicationBuffer;vec3 gatherNeighbors(){float p=texture2D(predicationBuffer,vUv).r;float pLeft=texture2D(predicationBuffer,vUv0).r;float pTop=texture2D(predicationBuffer,vUv1).r;return vec3(p,pLeft,pTop);}\\n#endif\\n#if PREDICATION_MODE != 0\\nvec2 calculatePredicatedThreshold(){vec3 neighbours=gatherNeighbors();vec2 delta=abs(neighbours.xx-neighbours.yz);vec2 edges=step(PREDICATION_THRESHOLD,delta);return PREDICATION_SCALE*EDGE_THRESHOLD*(1.0-PREDICATION_STRENGTH*edges);}\\n#endif\\n#if EDGE_DETECTION_MODE != 0\\nuniform sampler2D inputBuffer;\\n#endif\\nvoid main(){\\n#if EDGE_DETECTION_MODE == 0\\nconst vec2 threshold=vec2(DEPTH_THRESHOLD);\\n#elif PREDICATION_MODE != 0\\nvec2 threshold=calculatePredicatedThreshold();\\n#else\\nconst vec2 threshold=vec2(EDGE_THRESHOLD);\\n#endif\\n#if EDGE_DETECTION_MODE == 0\\nvec3 neighbors=gatherNeighbors();vec2 delta=abs(neighbors.xx-vec2(neighbors.y,neighbors.z));vec2 edges=step(threshold,delta);if(dot(edges,vec2(1.0))==0.0){discard;}gl_FragColor=vec4(edges,0.0,1.0);\\n#elif EDGE_DETECTION_MODE == 1\\nfloat l=luminance(texture2D(inputBuffer,vUv).rgb);float lLeft=luminance(texture2D(inputBuffer,vUv0).rgb);float lTop=luminance(texture2D(inputBuffer,vUv1).rgb);vec4 delta;delta.xy=abs(l-vec2(lLeft,lTop));vec2 edges=step(threshold,delta.xy);if(dot(edges,vec2(1.0))==0.0){discard;}float lRight=luminance(texture2D(inputBuffer,vUv2).rgb);float lBottom=luminance(texture2D(inputBuffer,vUv3).rgb);delta.zw=abs(l-vec2(lRight,lBottom));vec2 maxDelta=max(delta.xy,delta.zw);float lLeftLeft=luminance(texture2D(inputBuffer,vUv4).rgb);float lTopTop=luminance(texture2D(inputBuffer,vUv5).rgb);delta.zw=abs(vec2(lLeft,lTop)-vec2(lLeftLeft,lTopTop));maxDelta=max(maxDelta.xy,delta.zw);float finalDelta=max(maxDelta.x,maxDelta.y);edges.xy*=step(finalDelta,LOCAL_CONTRAST_ADAPTATION_FACTOR*delta.xy);gl_FragColor=vec4(edges,0.0,1.0);\\n#elif EDGE_DETECTION_MODE == 2\\nvec4 delta;vec3 c=texture2D(inputBuffer,vUv).rgb;vec3 cLeft=texture2D(inputBuffer,vUv0).rgb;vec3 t=abs(c-cLeft);delta.x=max(max(t.r,t.g),t.b);vec3 cTop=texture2D(inputBuffer,vUv1).rgb;t=abs(c-cTop);delta.y=max(max(t.r,t.g),t.b);vec2 edges=step(threshold,delta.xy);if(dot(edges,vec2(1.0))==0.0){discard;}vec3 cRight=texture2D(inputBuffer,vUv2).rgb;t=abs(c-cRight);delta.z=max(max(t.r,t.g),t.b);vec3 cBottom=texture2D(inputBuffer,vUv3).rgb;t=abs(c-cBottom);delta.w=max(max(t.r,t.g),t.b);vec2 maxDelta=max(delta.xy,delta.zw);vec3 cLeftLeft=texture2D(inputBuffer,vUv4).rgb;t=abs(c-cLeftLeft);delta.z=max(max(t.r,t.g),t.b);vec3 cTopTop=texture2D(inputBuffer,vUv5).rgb;t=abs(c-cTopTop);delta.w=max(max(t.r,t.g),t.b);maxDelta=max(maxDelta.xy,delta.zw);float finalDelta=max(maxDelta.x,maxDelta.y);edges*=step(finalDelta,LOCAL_CONTRAST_ADAPTATION_FACTOR*delta.xy);gl_FragColor=vec4(edges,0.0,1.0);\\n#endif\\n}\";\n\n// src/materials/glsl/edge-detection.vert\nvar edge_detection_default2 = \"uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;\\n#if EDGE_DETECTION_MODE != 0\\nvarying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;\\n#endif\\nvoid main(){vUv=position.xy*0.5+0.5;vUv0=vUv+texelSize*vec2(-1.0,0.0);vUv1=vUv+texelSize*vec2(0.0,-1.0);\\n#if EDGE_DETECTION_MODE != 0\\nvUv2=vUv+texelSize*vec2(1.0,0.0);vUv3=vUv+texelSize*vec2(0.0,1.0);vUv4=vUv+texelSize*vec2(-2.0,0.0);vUv5=vUv+texelSize*vec2(0.0,-2.0);\\n#endif\\ngl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/EdgeDetectionMaterial.js\nvar EdgeDetectionMaterial = class extends ShaderMaterial12 {\n constructor(texelSize = new Vector27(), mode = EdgeDetectionMode.COLOR) {\n super({\n name: \"EdgeDetectionMaterial\",\n defines: {\n THREE_REVISION: REVISION3.replace(/\\D+/g, \"\"),\n LOCAL_CONTRAST_ADAPTATION_FACTOR: \"2.0\",\n EDGE_THRESHOLD: \"0.1\",\n DEPTH_THRESHOLD: \"0.01\",\n PREDICATION_MODE: \"0\",\n PREDICATION_THRESHOLD: \"0.01\",\n PREDICATION_SCALE: \"2.0\",\n PREDICATION_STRENGTH: \"1.0\",\n DEPTH_PACKING: \"0\"\n },\n uniforms: {\n inputBuffer: new Uniform12(null),\n depthBuffer: new Uniform12(null),\n predicationBuffer: new Uniform12(null),\n texelSize: new Uniform12(texelSize)\n },\n blending: NoBlending12,\n depthWrite: false,\n depthTest: false,\n fragmentShader: edge_detection_default,\n vertexShader: edge_detection_default2\n });\n this.toneMapped = false;\n this.edgeDetectionMode = mode;\n }\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n setDepthBuffer(buffer, depthPacking = BasicDepthPacking5) {\n this.depthBuffer = buffer;\n this.depthPacking = depthPacking;\n }\n get edgeDetectionMode() {\n return Number(this.defines.EDGE_DETECTION_MODE);\n }\n set edgeDetectionMode(value) {\n this.defines.EDGE_DETECTION_MODE = value.toFixed(0);\n this.needsUpdate = true;\n }\n getEdgeDetectionMode() {\n return this.edgeDetectionMode;\n }\n setEdgeDetectionMode(value) {\n this.edgeDetectionMode = value;\n }\n get localContrastAdaptationFactor() {\n return Number(this.defines.LOCAL_CONTRAST_ADAPTATION_FACTOR);\n }\n set localContrastAdaptationFactor(value) {\n this.defines.LOCAL_CONTRAST_ADAPTATION_FACTOR = value.toFixed(\"6\");\n this.needsUpdate = true;\n }\n getLocalContrastAdaptationFactor() {\n return this.localContrastAdaptationFactor;\n }\n setLocalContrastAdaptationFactor(value) {\n this.localContrastAdaptationFactor = value;\n }\n get edgeDetectionThreshold() {\n return Number(this.defines.EDGE_THRESHOLD);\n }\n set edgeDetectionThreshold(value) {\n this.defines.EDGE_THRESHOLD = value.toFixed(\"6\");\n this.defines.DEPTH_THRESHOLD = (value * 0.1).toFixed(\"6\");\n this.needsUpdate = true;\n }\n getEdgeDetectionThreshold() {\n return this.edgeDetectionThreshold;\n }\n setEdgeDetectionThreshold(value) {\n this.edgeDetectionThreshold = value;\n }\n get predicationMode() {\n return Number(this.defines.PREDICATION_MODE);\n }\n set predicationMode(value) {\n this.defines.PREDICATION_MODE = value.toFixed(0);\n this.needsUpdate = true;\n }\n getPredicationMode() {\n return this.predicationMode;\n }\n setPredicationMode(value) {\n this.predicationMode = value;\n }\n set predicationBuffer(value) {\n this.uniforms.predicationBuffer.value = value;\n }\n setPredicationBuffer(value) {\n this.uniforms.predicationBuffer.value = value;\n }\n get predicationThreshold() {\n return Number(this.defines.PREDICATION_THRESHOLD);\n }\n set predicationThreshold(value) {\n this.defines.PREDICATION_THRESHOLD = value.toFixed(\"6\");\n this.needsUpdate = true;\n }\n getPredicationThreshold() {\n return this.predicationThreshold;\n }\n setPredicationThreshold(value) {\n this.predicationThreshold = value;\n }\n get predicationScale() {\n return Number(this.defines.PREDICATION_SCALE);\n }\n set predicationScale(value) {\n this.defines.PREDICATION_SCALE = value.toFixed(\"6\");\n this.needsUpdate = true;\n }\n getPredicationScale() {\n return this.predicationScale;\n }\n setPredicationScale(value) {\n this.predicationScale = value;\n }\n get predicationStrength() {\n return Number(this.defines.PREDICATION_STRENGTH);\n }\n set predicationStrength(value) {\n this.defines.PREDICATION_STRENGTH = value.toFixed(\"6\");\n this.needsUpdate = true;\n }\n getPredicationStrength() {\n return this.predicationStrength;\n }\n setPredicationStrength(value) {\n this.predicationStrength = value;\n }\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/EffectMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking6, NoBlending as NoBlending13, PerspectiveCamera as PerspectiveCamera5, REVISION as REVISION4, ShaderMaterial as ShaderMaterial13, Uniform as Uniform13, Vector2 as Vector28 } from \"three\";\n\n// src/materials/glsl/effect.frag\nvar effect_default = \"#include \\n#include \\n#include \\n#define packFloatToRGBA(v) packDepthToRGBA(v)\\n#define unpackRGBAToFloat(v) unpackRGBAToDepth(v)\\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#if DEPTH_PACKING == 3201\\nuniform lowp sampler2D depthBuffer;\\n#elif defined(GL_FRAGMENT_PRECISION_HIGH)\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nuniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv;\\n#if THREE_REVISION < 143\\n#define luminance(v) linearToRelativeLuminance(v)\\n#endif\\n#if THREE_REVISION >= 137\\nvec4 sRGBToLinear(const in vec4 value){return vec4(mix(pow(value.rgb*0.9478672986+vec3(0.0521327014),vec3(2.4)),value.rgb*0.0773993808,vec3(lessThanEqual(value.rgb,vec3(0.04045)))),value.a);}\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}float getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNear,cameraFar);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNear,cameraFar);\\n#endif\\n}vec3 RGBToHCV(const in vec3 RGB){vec4 P=mix(vec4(RGB.bg,-1.0,2.0/3.0),vec4(RGB.gb,0.0,-1.0/3.0),step(RGB.b,RGB.g));vec4 Q=mix(vec4(P.xyw,RGB.r),vec4(RGB.r,P.yzx),step(P.x,RGB.r));float C=Q.x-min(Q.w,Q.y);float H=abs((Q.w-Q.y)/(6.0*C+EPSILON)+Q.z);return vec3(H,C,Q.x);}vec3 RGBToHSL(const in vec3 RGB){vec3 HCV=RGBToHCV(RGB);float L=HCV.z-HCV.y*0.5;float S=HCV.y/(1.0-abs(L*2.0-1.0)+EPSILON);return vec3(HCV.x,S,L);}vec3 HueToRGB(const in float H){float R=abs(H*6.0-3.0)-1.0;float G=2.0-abs(H*6.0-2.0);float B=2.0-abs(H*6.0-4.0);return clamp(vec3(R,G,B),0.0,1.0);}vec3 HSLToRGB(const in vec3 HSL){vec3 RGB=HueToRGB(HSL.x);float C=(1.0-abs(2.0*HSL.z-1.0))*HSL.y;return(RGB-0.5)*C+HSL.z;}FRAGMENT_HEADvoid main(){FRAGMENT_MAIN_UVvec4 color0=texture2D(inputBuffer,UV);vec4 color1=vec4(0.0);FRAGMENT_MAIN_IMAGEgl_FragColor=color0;\\n#ifdef ENCODE_OUTPUT\\n#include \\n#endif\\n#include \\n}\";\n\n// src/materials/glsl/effect.vert\nvar effect_default2 = \"uniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv;VERTEX_HEADvoid main(){vUv=position.xy*0.5+0.5;VERTEX_MAIN_SUPPORTgl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/EffectMaterial.js\nvar EffectMaterial = class extends ShaderMaterial13 {\n constructor(shaderParts, defines, uniforms, camera, dithering = false) {\n super({\n name: \"EffectMaterial\",\n defines: {\n THREE_REVISION: REVISION4.replace(/\\D+/g, \"\"),\n DEPTH_PACKING: \"0\",\n ENCODE_OUTPUT: \"1\"\n },\n uniforms: {\n inputBuffer: new Uniform13(null),\n depthBuffer: new Uniform13(null),\n resolution: new Uniform13(new Vector28()),\n texelSize: new Uniform13(new Vector28()),\n cameraNear: new Uniform13(0.3),\n cameraFar: new Uniform13(1e3),\n aspect: new Uniform13(1),\n time: new Uniform13(0)\n },\n blending: NoBlending13,\n depthWrite: false,\n depthTest: false,\n dithering\n });\n this.toneMapped = false;\n if (shaderParts) {\n this.setShaderParts(shaderParts);\n }\n if (defines) {\n this.setDefines(defines);\n }\n if (uniforms) {\n this.setUniforms(uniforms);\n }\n this.copyCameraSettings(camera);\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n get depthBuffer() {\n return this.uniforms.depthBuffer.value;\n }\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n get depthPacking() {\n return Number(this.defines.DEPTH_PACKING);\n }\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n setDepthBuffer(buffer, depthPacking = BasicDepthPacking6) {\n this.depthBuffer = buffer;\n this.depthPacking = depthPacking;\n }\n setShaderData(data) {\n this.setShaderParts(data.shaderParts);\n this.setDefines(data.defines);\n this.setUniforms(data.uniforms);\n this.setExtensions(data.extensions);\n }\n setShaderParts(shaderParts) {\n var _a, _b, _c, _d, _e;\n this.fragmentShader = effect_default.replace(EffectShaderSection.FRAGMENT_HEAD, (_a = shaderParts.get(EffectShaderSection.FRAGMENT_HEAD)) != null ? _a : \"\").replace(EffectShaderSection.FRAGMENT_MAIN_UV, (_b = shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_UV)) != null ? _b : \"\").replace(EffectShaderSection.FRAGMENT_MAIN_IMAGE, (_c = shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_IMAGE)) != null ? _c : \"\");\n this.vertexShader = effect_default2.replace(EffectShaderSection.VERTEX_HEAD, (_d = shaderParts.get(EffectShaderSection.VERTEX_HEAD)) != null ? _d : \"\").replace(EffectShaderSection.VERTEX_MAIN_SUPPORT, (_e = shaderParts.get(EffectShaderSection.VERTEX_MAIN_SUPPORT)) != null ? _e : \"\");\n this.needsUpdate = true;\n return this;\n }\n setDefines(defines) {\n for (const entry of defines.entries()) {\n this.defines[entry[0]] = entry[1];\n }\n this.needsUpdate = true;\n return this;\n }\n setUniforms(uniforms) {\n for (const entry of uniforms.entries()) {\n this.uniforms[entry[0]] = entry[1];\n }\n return this;\n }\n setExtensions(extensions) {\n this.extensions = {};\n for (const extension of extensions) {\n this.extensions[extension] = true;\n }\n return this;\n }\n get encodeOutput() {\n return this.defines.ENCODE_OUTPUT !== void 0;\n }\n set encodeOutput(value) {\n if (this.encodeOutput !== value) {\n if (value) {\n this.defines.ENCODE_OUTPUT = \"1\";\n } else {\n delete this.defines.ENCODE_OUTPUT;\n }\n this.needsUpdate = true;\n }\n }\n isOutputEncodingEnabled(value) {\n return this.encodeOutput;\n }\n setOutputEncodingEnabled(value) {\n this.encodeOutput = value;\n }\n get time() {\n return this.uniforms.time.value;\n }\n set time(value) {\n this.uniforms.time.value = value;\n }\n setDeltaTime(value) {\n this.uniforms.time.value += value;\n }\n adoptCameraSettings(camera) {\n this.copyCameraSettings(camera);\n }\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNear.value = camera.near;\n this.uniforms.cameraFar.value = camera.far;\n if (camera instanceof PerspectiveCamera5) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n setSize(width, height) {\n const uniforms = this.uniforms;\n uniforms.resolution.value.set(width, height);\n uniforms.texelSize.value.set(1 / width, 1 / height);\n uniforms.aspect.value = width / height;\n }\n static get Section() {\n return EffectShaderSection;\n }\n};\n\n// src/materials/GaussianBlurMaterial.js\nimport { NoBlending as NoBlending14, ShaderMaterial as ShaderMaterial14, Uniform as Uniform14, Vector2 as Vector29 } from \"three\";\n\n// src/materials/glsl/convolution.gaussian.frag\nvar convolution_gaussian_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform vec2 kernel[STEPS];varying vec2 vOffset;varying vec2 vUv;void main(){vec4 result=texture2D(inputBuffer,vUv)*kernel[0].y;for(int i=1;i\\n}\";\n\n// src/materials/glsl/convolution.gaussian.vert\nvar convolution_gaussian_default2 = \"uniform vec2 texelSize;uniform vec2 direction;uniform float scale;varying vec2 vOffset;varying vec2 vUv;void main(){vOffset=direction*texelSize*scale;vUv=position.xy*0.5+0.5;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/GaussianBlurMaterial.js\nvar GaussianBlurMaterial = class extends ShaderMaterial14 {\n constructor({ kernelSize = 35 } = {}) {\n super({\n name: \"GaussianBlurMaterial\",\n uniforms: {\n inputBuffer: new Uniform14(null),\n texelSize: new Uniform14(new Vector29()),\n direction: new Uniform14(new Vector29()),\n kernel: new Uniform14(null),\n scale: new Uniform14(1)\n },\n blending: NoBlending14,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_gaussian_default,\n vertexShader: convolution_gaussian_default2\n });\n this.toneMapped = false;\n this._kernelSize = 0;\n this.kernelSize = kernelSize;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n get kernelSize() {\n return this._kernelSize;\n }\n set kernelSize(value) {\n this._kernelSize = value;\n this.generateKernel(value);\n }\n get direction() {\n return this.uniforms.direction.value;\n }\n get scale() {\n return this.uniforms.scale.value;\n }\n set scale(value) {\n this.uniforms.scale.value = value;\n }\n generateKernel(kernelSize) {\n const kernel = new GaussKernel(kernelSize);\n const steps = kernel.linearSteps;\n const kernelData = new Float64Array(steps * 2);\n for (let i = 0, j = 0; i < steps; ++i) {\n kernelData[j++] = kernel.linearOffsets[i];\n kernelData[j++] = kernel.linearWeights[i];\n }\n this.uniforms.kernel.value = kernelData;\n this.defines.STEPS = steps.toFixed(0);\n this.needsUpdate = true;\n }\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/GodRaysMaterial.js\nimport { NoBlending as NoBlending15, ShaderMaterial as ShaderMaterial15, Uniform as Uniform15 } from \"three\";\n\n// src/materials/glsl/convolution.god-rays.frag\nvar convolution_god_rays_default = \"#include \\n#include \\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform vec2 lightPosition;uniform float exposure;uniform float decay;uniform float density;uniform float weight;uniform float clampMax;varying vec2 vUv;void main(){vec2 coord=vUv;vec2 delta=lightPosition-coord;delta*=1.0/SAMPLES_FLOAT*density;float illuminationDecay=1.0;vec4 color=vec4(0.0);for(int i=0;i\\n}\";\n\n// src/materials/GodRaysMaterial.js\nvar GodRaysMaterial = class extends ShaderMaterial15 {\n constructor(lightPosition) {\n super({\n name: \"GodRaysMaterial\",\n defines: {\n SAMPLES_INT: \"60\",\n SAMPLES_FLOAT: \"60.0\"\n },\n uniforms: {\n inputBuffer: new Uniform15(null),\n lightPosition: new Uniform15(lightPosition),\n density: new Uniform15(1),\n decay: new Uniform15(1),\n weight: new Uniform15(1),\n exposure: new Uniform15(1),\n clampMax: new Uniform15(1)\n },\n blending: NoBlending15,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_god_rays_default,\n vertexShader: common_default\n });\n this.toneMapped = false;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n get lightPosition() {\n return this.uniforms.lightPosition.value;\n }\n getLightPosition() {\n return this.uniforms.lightPosition.value;\n }\n setLightPosition(value) {\n this.uniforms.lightPosition.value = value;\n }\n get density() {\n return this.uniforms.density.value;\n }\n set density(value) {\n this.uniforms.density.value = value;\n }\n getDensity() {\n return this.uniforms.density.value;\n }\n setDensity(value) {\n this.uniforms.density.value = value;\n }\n get decay() {\n return this.uniforms.decay.value;\n }\n set decay(value) {\n this.uniforms.decay.value = value;\n }\n getDecay() {\n return this.uniforms.decay.value;\n }\n setDecay(value) {\n this.uniforms.decay.value = value;\n }\n get weight() {\n return this.uniforms.weight.value;\n }\n set weight(value) {\n this.uniforms.weight.value = value;\n }\n getWeight() {\n return this.uniforms.weight.value;\n }\n setWeight(value) {\n this.uniforms.weight.value = value;\n }\n get exposure() {\n return this.uniforms.exposure.value;\n }\n set exposure(value) {\n this.uniforms.exposure.value = value;\n }\n getExposure() {\n return this.uniforms.exposure.value;\n }\n setExposure(value) {\n this.uniforms.exposure.value = value;\n }\n get maxIntensity() {\n return this.uniforms.clampMax.value;\n }\n set maxIntensity(value) {\n this.uniforms.clampMax.value = value;\n }\n getMaxIntensity() {\n return this.uniforms.clampMax.value;\n }\n setMaxIntensity(value) {\n this.uniforms.clampMax.value = value;\n }\n get samples() {\n return Number(this.defines.SAMPLES_INT);\n }\n set samples(value) {\n const s = Math.floor(value);\n this.defines.SAMPLES_INT = s.toFixed(0);\n this.defines.SAMPLES_FLOAT = s.toFixed(1);\n this.needsUpdate = true;\n }\n getSamples() {\n return this.samples;\n }\n setSamples(value) {\n this.samples = value;\n }\n};\n\n// src/materials/LuminanceMaterial.js\nimport { NoBlending as NoBlending16, REVISION as REVISION5, ShaderMaterial as ShaderMaterial16, Uniform as Uniform16 } from \"three\";\n\n// src/materials/glsl/luminance.frag\nvar luminance_default = \"#include \\n#if THREE_REVISION < 143\\n#define luminance(v) linearToRelativeLuminance(v)\\n#endif\\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#ifdef RANGE\\nuniform vec2 range;\\n#elif defined(THRESHOLD)\\nuniform float threshold;uniform float smoothing;\\n#endif\\nvarying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);float l=luminance(texel.rgb);\\n#ifdef RANGE\\nfloat low=step(range.x,l);float high=step(l,range.y);l*=low*high;\\n#elif defined(THRESHOLD)\\nl=smoothstep(threshold,threshold+smoothing,l);\\n#endif\\n#ifdef COLOR\\ngl_FragColor=vec4(texel.rgb*l,l);\\n#else\\ngl_FragColor=vec4(l);\\n#endif\\n}\";\n\n// src/materials/LuminanceMaterial.js\nvar LuminanceMaterial = class extends ShaderMaterial16 {\n constructor(colorOutput = false, luminanceRange = null) {\n super({\n name: \"LuminanceMaterial\",\n defines: {\n THREE_REVISION: REVISION5.replace(/\\D+/g, \"\")\n },\n uniforms: {\n inputBuffer: new Uniform16(null),\n threshold: new Uniform16(0),\n smoothing: new Uniform16(1),\n range: new Uniform16(null)\n },\n blending: NoBlending16,\n depthWrite: false,\n depthTest: false,\n fragmentShader: luminance_default,\n vertexShader: common_default\n });\n this.toneMapped = false;\n this.colorOutput = colorOutput;\n this.luminanceRange = luminanceRange;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n get threshold() {\n return this.uniforms.threshold.value;\n }\n set threshold(value) {\n if (this.smoothing > 0 || value > 0) {\n this.defines.THRESHOLD = \"1\";\n } else {\n delete this.defines.THRESHOLD;\n }\n this.uniforms.threshold.value = value;\n }\n getThreshold() {\n return this.threshold;\n }\n setThreshold(value) {\n this.threshold = value;\n }\n get smoothing() {\n return this.uniforms.smoothing.value;\n }\n set smoothing(value) {\n if (this.threshold > 0 || value > 0) {\n this.defines.THRESHOLD = \"1\";\n } else {\n delete this.defines.THRESHOLD;\n }\n this.uniforms.smoothing.value = value;\n }\n getSmoothingFactor() {\n return this.smoothing;\n }\n setSmoothingFactor(value) {\n this.smoothing = value;\n }\n get useThreshold() {\n return this.threshold > 0 || this.smoothing > 0;\n }\n set useThreshold(value) {\n }\n get colorOutput() {\n return this.defines.COLOR !== void 0;\n }\n set colorOutput(value) {\n if (value) {\n this.defines.COLOR = \"1\";\n } else {\n delete this.defines.COLOR;\n }\n this.needsUpdate = true;\n }\n isColorOutputEnabled(value) {\n return this.colorOutput;\n }\n setColorOutputEnabled(value) {\n this.colorOutput = value;\n }\n get useRange() {\n return this.luminanceRange !== null;\n }\n set useRange(value) {\n this.luminanceRange = null;\n }\n get luminanceRange() {\n return this.uniforms.range.value;\n }\n set luminanceRange(value) {\n if (value !== null) {\n this.defines.RANGE = \"1\";\n } else {\n delete this.defines.RANGE;\n }\n this.uniforms.range.value = value;\n this.needsUpdate = true;\n }\n getLuminanceRange() {\n return this.luminanceRange;\n }\n setLuminanceRange(value) {\n this.luminanceRange = value;\n }\n};\n\n// src/materials/MaskMaterial.js\nimport { NoBlending as NoBlending17, ShaderMaterial as ShaderMaterial17, Uniform as Uniform17, UnsignedByteType as UnsignedByteType2 } from \"three\";\n\n// src/materials/glsl/mask.frag\nvar mask_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#ifdef MASK_PRECISION_HIGH\\nuniform mediump sampler2D maskTexture;\\n#else\\nuniform lowp sampler2D maskTexture;\\n#endif\\n#if MASK_FUNCTION != 0\\nuniform float strength;\\n#endif\\nvarying vec2 vUv;void main(){\\n#if COLOR_CHANNEL == 0\\nfloat mask=texture2D(maskTexture,vUv).r;\\n#elif COLOR_CHANNEL == 1\\nfloat mask=texture2D(maskTexture,vUv).g;\\n#elif COLOR_CHANNEL == 2\\nfloat mask=texture2D(maskTexture,vUv).b;\\n#else\\nfloat mask=texture2D(maskTexture,vUv).a;\\n#endif\\n#if MASK_FUNCTION == 0\\n#ifdef INVERTED\\nmask=step(mask,0.0);\\n#else\\nmask=1.0-step(mask,0.0);\\n#endif\\n#else\\nmask=clamp(mask*strength,0.0,1.0);\\n#ifdef INVERTED\\nmask=1.0-mask;\\n#endif\\n#endif\\n#if MASK_FUNCTION == 2\\ngl_FragColor=vec4(mask*texture2D(inputBuffer,vUv).rgb,mask);\\n#else\\ngl_FragColor=mask*texture2D(inputBuffer,vUv);\\n#endif\\n}\";\n\n// src/materials/MaskMaterial.js\nvar MaskMaterial = class extends ShaderMaterial17 {\n constructor(maskTexture = null) {\n super({\n name: \"MaskMaterial\",\n uniforms: {\n maskTexture: new Uniform17(maskTexture),\n inputBuffer: new Uniform17(null),\n strength: new Uniform17(1)\n },\n blending: NoBlending17,\n depthWrite: false,\n depthTest: false,\n fragmentShader: mask_default,\n vertexShader: common_default\n });\n this.toneMapped = false;\n this.setColorChannel(ColorChannel.RED);\n this.setMaskFunction(MaskFunction.DISCARD);\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n set maskTexture(value) {\n this.uniforms.maskTexture.value = value;\n delete this.defines.MASK_PRECISION_HIGH;\n if (value.type !== UnsignedByteType2) {\n this.defines.MASK_PRECISION_HIGH = \"1\";\n }\n this.needsUpdate = true;\n }\n setMaskTexture(value) {\n this.maskTexture = value;\n }\n set colorChannel(value) {\n this.defines.COLOR_CHANNEL = value.toFixed(0);\n this.needsUpdate = true;\n }\n setColorChannel(value) {\n this.colorChannel = value;\n }\n set maskFunction(value) {\n this.defines.MASK_FUNCTION = value.toFixed(0);\n this.needsUpdate = true;\n }\n setMaskFunction(value) {\n this.maskFunction = value;\n }\n get inverted() {\n return this.defines.INVERTED !== void 0;\n }\n set inverted(value) {\n if (this.inverted && !value) {\n delete this.defines.INVERTED;\n } else if (value) {\n this.defines.INVERTED = \"1\";\n }\n this.needsUpdate = true;\n }\n isInverted() {\n return this.inverted;\n }\n setInverted(value) {\n this.inverted = value;\n }\n get strength() {\n return this.uniforms.strength.value;\n }\n set strength(value) {\n this.uniforms.strength.value = value;\n }\n getStrength() {\n return this.strength;\n }\n setStrength(value) {\n this.strength = value;\n }\n};\n\n// src/materials/OutlineMaterial.js\nimport { NoBlending as NoBlending18, ShaderMaterial as ShaderMaterial18, Uniform as Uniform18, Vector2 as Vector210 } from \"three\";\n\n// src/materials/glsl/outline.frag\nvar outline_default = \"uniform lowp sampler2D inputBuffer;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 c0=texture2D(inputBuffer,vUv0).rg;vec2 c1=texture2D(inputBuffer,vUv1).rg;vec2 c2=texture2D(inputBuffer,vUv2).rg;vec2 c3=texture2D(inputBuffer,vUv3).rg;float d0=(c0.x-c1.x)*0.5;float d1=(c2.x-c3.x)*0.5;float d=length(vec2(d0,d1));float a0=min(c0.y,c1.y);float a1=min(c2.y,c3.y);float visibilityFactor=min(a0,a1);gl_FragColor.rg=(1.0-visibilityFactor>0.001)?vec2(d,0.0):vec2(0.0,d);}\";\n\n// src/materials/glsl/outline.vert\nvar outline_default2 = \"uniform vec2 texelSize;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 uv=position.xy*0.5+0.5;vUv0=vec2(uv.x+texelSize.x,uv.y);vUv1=vec2(uv.x-texelSize.x,uv.y);vUv2=vec2(uv.x,uv.y+texelSize.y);vUv3=vec2(uv.x,uv.y-texelSize.y);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/OutlineMaterial.js\nvar OutlineMaterial = class extends ShaderMaterial18 {\n constructor(texelSize = new Vector210()) {\n super({\n name: \"OutlineMaterial\",\n uniforms: {\n inputBuffer: new Uniform18(null),\n texelSize: new Uniform18(new Vector210())\n },\n blending: NoBlending18,\n depthWrite: false,\n depthTest: false,\n fragmentShader: outline_default,\n vertexShader: outline_default2\n });\n this.toneMapped = false;\n this.uniforms.texelSize.value.set(texelSize.x, texelSize.y);\n this.uniforms.maskTexture = this.uniforms.inputBuffer;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setTexelSize(x, y) {\n this.uniforms.texelSize.value.set(x, y);\n }\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/SMAAWeightsMaterial.js\nimport { NoBlending as NoBlending19, ShaderMaterial as ShaderMaterial19, Uniform as Uniform19, Vector2 as Vector211 } from \"three\";\n\n// src/materials/glsl/smaa-weights.frag\nvar smaa_weights_default = \"#define sampleLevelZeroOffset(t, coord, offset) texture2D(t, coord + offset * texelSize)\\n#if __VERSION__ < 300\\n#define round(v) floor(v + 0.5)\\n#endif\\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform lowp sampler2D areaTexture;uniform lowp sampler2D searchTexture;uniform vec2 texelSize;uniform vec2 resolution;varying vec2 vUv;varying vec4 vOffset[3];varying vec2 vPixCoord;void movec(const in bvec2 c,inout vec2 variable,const in vec2 value){if(c.x){variable.x=value.x;}if(c.y){variable.y=value.y;}}void movec(const in bvec4 c,inout vec4 variable,const in vec4 value){movec(c.xy,variable.xy,value.xy);movec(c.zw,variable.zw,value.zw);}vec2 decodeDiagBilinearAccess(in vec2 e){e.r=e.r*abs(5.0*e.r-5.0*0.75);return round(e);}vec4 decodeDiagBilinearAccess(in vec4 e){e.rb=e.rb*abs(5.0*e.rb-5.0*0.75);return round(e);}vec2 searchDiag1(const in vec2 texCoord,const in vec2 dir,out vec2 e){vec4 coord=vec4(texCoord,-1.0,1.0);vec3 t=vec3(texelSize,1.0);for(int i=0;i0.9)){break;}coord.xyz=t*vec3(dir,1.0)+coord.xyz;e=texture2D(inputBuffer,coord.xy).rg;coord.w=dot(e,vec2(0.5));}return coord.zw;}vec2 searchDiag2(const in vec2 texCoord,const in vec2 dir,out vec2 e){vec4 coord=vec4(texCoord,-1.0,1.0);coord.x+=0.25*texelSize.x;vec3 t=vec3(texelSize,1.0);for(int i=0;i0.9)){break;}coord.xyz=t*vec3(dir,1.0)+coord.xyz;e=texture2D(inputBuffer,coord.xy).rg;e=decodeDiagBilinearAccess(e);coord.w=dot(e,vec2(0.5));}return coord.zw;}vec2 areaDiag(const in vec2 dist,const in vec2 e,const in float offset){vec2 texCoord=vec2(AREATEX_MAX_DISTANCE_DIAG,AREATEX_MAX_DISTANCE_DIAG)*e+dist;texCoord=AREATEX_PIXEL_SIZE*texCoord+0.5*AREATEX_PIXEL_SIZE;texCoord.x+=0.5;texCoord.y+=AREATEX_SUBTEX_SIZE*offset;return texture2D(areaTexture,texCoord).rg;}vec2 calculateDiagWeights(const in vec2 texCoord,const in vec2 e,const in vec4 subsampleIndices){vec2 weights=vec2(0.0);vec4 d;vec2 end;if(e.r>0.0){d.xz=searchDiag1(texCoord,vec2(-1.0,1.0),end);d.x+=float(end.y>0.9);}else{d.xz=vec2(0.0);}d.yw=searchDiag1(texCoord,vec2(1.0,-1.0),end);if(d.x+d.y>2.0){vec4 coords=vec4(-d.x+0.25,d.x,d.y,-d.y-0.25)*texelSize.xyxy+texCoord.xyxy;vec4 c;c.xy=sampleLevelZeroOffset(inputBuffer,coords.xy,vec2(-1,0)).rg;c.zw=sampleLevelZeroOffset(inputBuffer,coords.zw,vec2(1,0)).rg;c.yxwz=decodeDiagBilinearAccess(c.xyzw);vec2 cc=vec2(2.0)*c.xz+c.yw;movec(bvec2(step(0.9,d.zw)),cc,vec2(0.0));weights+=areaDiag(d.xy,cc,subsampleIndices.z);}d.xz=searchDiag2(texCoord,vec2(-1.0,-1.0),end);if(sampleLevelZeroOffset(inputBuffer,texCoord,vec2(1,0)).r>0.0){d.yw=searchDiag2(texCoord,vec2(1.0),end);d.y+=float(end.y>0.9);}else{d.yw=vec2(0.0);}if(d.x+d.y>2.0){vec4 coords=vec4(-d.x,-d.x,d.y,d.y)*texelSize.xyxy+texCoord.xyxy;vec4 c;c.x=sampleLevelZeroOffset(inputBuffer,coords.xy,vec2(-1,0)).g;c.y=sampleLevelZeroOffset(inputBuffer,coords.xy,vec2(0,-1)).r;c.zw=sampleLevelZeroOffset(inputBuffer,coords.zw,vec2(1,0)).gr;vec2 cc=vec2(2.0)*c.xz+c.yw;movec(bvec2(step(0.9,d.zw)),cc,vec2(0.0));weights+=areaDiag(d.xy,cc,subsampleIndices.w).gr;}return weights;}float searchLength(const in vec2 e,const in float offset){vec2 scale=SEARCHTEX_SIZE*vec2(0.5,-1.0);vec2 bias=SEARCHTEX_SIZE*vec2(offset,1.0);scale+=vec2(-1.0,1.0);bias+=vec2(0.5,-0.5);scale*=1.0/SEARCHTEX_PACKED_SIZE;bias*=1.0/SEARCHTEX_PACKED_SIZE;return texture2D(searchTexture,scale*e+bias).r;}float searchXLeft(in vec2 texCoord,const in float end){vec2 e=vec2(0.0,1.0);for(int i=0;iend&&e.g>0.8281&&e.r==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=vec2(-2.0,0.0)*texelSize+texCoord;}float offset=-(255.0/127.0)*searchLength(e,0.0)+3.25;return texelSize.x*offset+texCoord.x;}float searchXRight(vec2 texCoord,const in float end){vec2 e=vec2(0.0,1.0);for(int i=0;i0.8281&&e.r==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=vec2(2.0,0.0)*texelSize.xy+texCoord;}float offset=-(255.0/127.0)*searchLength(e,0.5)+3.25;return-texelSize.x*offset+texCoord.x;}float searchYUp(vec2 texCoord,const in float end){vec2 e=vec2(1.0,0.0);for(int i=0;iend&&e.r>0.8281&&e.g==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=-vec2(0.0,2.0)*texelSize.xy+texCoord;}float offset=-(255.0/127.0)*searchLength(e.gr,0.0)+3.25;return texelSize.y*offset+texCoord.y;}float searchYDown(vec2 texCoord,const in float end){vec2 e=vec2(1.0,0.0);for(int i=0;i0.8281&&e.g==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=vec2(0.0,2.0)*texelSize.xy+texCoord;}float offset=-(255.0/127.0)*searchLength(e.gr,0.5)+3.25;return-texelSize.y*offset+texCoord.y;}vec2 area(const in vec2 dist,const in float e1,const in float e2,const in float offset){vec2 texCoord=vec2(AREATEX_MAX_DISTANCE)*round(4.0*vec2(e1,e2))+dist;texCoord=AREATEX_PIXEL_SIZE*texCoord+0.5*AREATEX_PIXEL_SIZE;texCoord.y=AREATEX_SUBTEX_SIZE*offset+texCoord.y;return texture2D(areaTexture,texCoord).rg;}void detectHorizontalCornerPattern(inout vec2 weights,const in vec4 texCoord,const in vec2 d){\\n#if !defined(DISABLE_CORNER_DETECTION)\\nvec2 leftRight=step(d.xy,d.yx);vec2 rounding=(1.0-CORNER_ROUNDING_NORM)*leftRight;rounding/=leftRight.x+leftRight.y;vec2 factor=vec2(1.0);factor.x-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(0,1)).r;factor.x-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(1,1)).r;factor.y-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(0,-2)).r;factor.y-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(1,-2)).r;weights*=clamp(factor,0.0,1.0);\\n#endif\\n}void detectVerticalCornerPattern(inout vec2 weights,const in vec4 texCoord,const in vec2 d){\\n#if !defined(DISABLE_CORNER_DETECTION)\\nvec2 leftRight=step(d.xy,d.yx);vec2 rounding=(1.0-CORNER_ROUNDING_NORM)*leftRight;rounding/=leftRight.x+leftRight.y;vec2 factor=vec2(1.0);factor.x-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(1,0)).g;factor.x-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(1,1)).g;factor.y-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(-2,0)).g;factor.y-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(-2,1)).g;weights*=clamp(factor,0.0,1.0);\\n#endif\\n}void main(){vec4 weights=vec4(0.0);vec4 subsampleIndices=vec4(0.0);vec2 e=texture2D(inputBuffer,vUv).rg;if(e.g>0.0){\\n#if !defined(DISABLE_DIAG_DETECTION)\\nweights.rg=calculateDiagWeights(vUv,e,subsampleIndices);if(weights.r==-weights.g){\\n#endif\\nvec2 d;vec3 coords;coords.x=searchXLeft(vOffset[0].xy,vOffset[2].x);coords.y=vOffset[1].y;d.x=coords.x;float e1=texture2D(inputBuffer,coords.xy).r;coords.z=searchXRight(vOffset[0].zw,vOffset[2].y);d.y=coords.z;d=round(resolution.xx*d+-vPixCoord.xx);vec2 sqrtD=sqrt(abs(d));float e2=sampleLevelZeroOffset(inputBuffer,coords.zy,vec2(1,0)).r;weights.rg=area(sqrtD,e1,e2,subsampleIndices.y);coords.y=vUv.y;detectHorizontalCornerPattern(weights.rg,coords.xyzy,d);\\n#if !defined(DISABLE_DIAG_DETECTION)\\n}else{e.r=0.0;}\\n#endif\\n}if(e.r>0.0){vec2 d;vec3 coords;coords.y=searchYUp(vOffset[1].xy,vOffset[2].z);coords.x=vOffset[0].x;d.x=coords.y;float e1=texture2D(inputBuffer,coords.xy).g;coords.z=searchYDown(vOffset[1].zw,vOffset[2].w);d.y=coords.z;d=round(resolution.yy*d-vPixCoord.yy);vec2 sqrtD=sqrt(abs(d));float e2=sampleLevelZeroOffset(inputBuffer,coords.xz,vec2(0,1)).g;weights.ba=area(sqrtD,e1,e2,subsampleIndices.x);coords.x=vUv.x;detectVerticalCornerPattern(weights.ba,coords.xyxz,d);}gl_FragColor=weights;}\";\n\n// src/materials/glsl/smaa-weights.vert\nvar smaa_weights_default2 = \"uniform vec2 texelSize;uniform vec2 resolution;varying vec2 vUv;varying vec4 vOffset[3];varying vec2 vPixCoord;void main(){vUv=position.xy*0.5+0.5;vPixCoord=vUv*resolution;vOffset[0]=vUv.xyxy+texelSize.xyxy*vec4(-0.25,-0.125,1.25,-0.125);vOffset[1]=vUv.xyxy+texelSize.xyxy*vec4(-0.125,-0.25,-0.125,1.25);vOffset[2]=vec4(vOffset[0].xz,vOffset[1].yw)+vec4(-2.0,2.0,-2.0,2.0)*texelSize.xxyy*MAX_SEARCH_STEPS_FLOAT;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/SMAAWeightsMaterial.js\nvar SMAAWeightsMaterial = class extends ShaderMaterial19 {\n constructor(texelSize = new Vector211(), resolution = new Vector211()) {\n super({\n name: \"SMAAWeightsMaterial\",\n defines: {\n MAX_SEARCH_STEPS_INT: \"16\",\n MAX_SEARCH_STEPS_FLOAT: \"16.0\",\n MAX_SEARCH_STEPS_DIAG_INT: \"8\",\n MAX_SEARCH_STEPS_DIAG_FLOAT: \"8.0\",\n CORNER_ROUNDING: \"25\",\n CORNER_ROUNDING_NORM: \"0.25\",\n AREATEX_MAX_DISTANCE: \"16.0\",\n AREATEX_MAX_DISTANCE_DIAG: \"20.0\",\n AREATEX_PIXEL_SIZE: \"(1.0 / vec2(160.0, 560.0))\",\n AREATEX_SUBTEX_SIZE: \"(1.0 / 7.0)\",\n SEARCHTEX_SIZE: \"vec2(66.0, 33.0)\",\n SEARCHTEX_PACKED_SIZE: \"vec2(64.0, 16.0)\"\n },\n uniforms: {\n inputBuffer: new Uniform19(null),\n searchTexture: new Uniform19(null),\n areaTexture: new Uniform19(null),\n resolution: new Uniform19(resolution),\n texelSize: new Uniform19(texelSize)\n },\n blending: NoBlending19,\n depthWrite: false,\n depthTest: false,\n fragmentShader: smaa_weights_default,\n vertexShader: smaa_weights_default2\n });\n this.toneMapped = false;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n get searchTexture() {\n return this.uniforms.searchTexture.value;\n }\n set searchTexture(value) {\n this.uniforms.searchTexture.value = value;\n }\n get areaTexture() {\n return this.uniforms.areaTexture.value;\n }\n set areaTexture(value) {\n this.uniforms.areaTexture.value = value;\n }\n setLookupTextures(search, area2) {\n this.searchTexture = search;\n this.areaTexture = area2;\n }\n get orthogonalSearchSteps() {\n return Number(this.defines.MAX_SEARCH_STEPS_INT);\n }\n set orthogonalSearchSteps(value) {\n const s = Math.min(Math.max(value, 0), 112);\n this.defines.MAX_SEARCH_STEPS_INT = s.toFixed(\"0\");\n this.defines.MAX_SEARCH_STEPS_FLOAT = s.toFixed(\"1\");\n this.needsUpdate = true;\n }\n setOrthogonalSearchSteps(value) {\n this.orthogonalSearchSteps = value;\n }\n get diagonalSearchSteps() {\n return Number(this.defines.MAX_SEARCH_STEPS_DIAG_INT);\n }\n set diagonalSearchSteps(value) {\n const s = Math.min(Math.max(value, 0), 20);\n this.defines.MAX_SEARCH_STEPS_DIAG_INT = s.toFixed(\"0\");\n this.defines.MAX_SEARCH_STEPS_DIAG_FLOAT = s.toFixed(\"1\");\n this.needsUpdate = true;\n }\n setDiagonalSearchSteps(value) {\n this.diagonalSearchSteps = value;\n }\n get diagonalDetection() {\n return this.defines.DISABLE_DIAG_DETECTION === void 0;\n }\n set diagonalDetection(value) {\n if (value) {\n delete this.defines.DISABLE_DIAG_DETECTION;\n } else {\n this.defines.DISABLE_DIAG_DETECTION = \"1\";\n }\n this.needsUpdate = true;\n }\n isDiagonalDetectionEnabled() {\n return this.diagonalDetection;\n }\n setDiagonalDetectionEnabled(value) {\n this.diagonalDetection = value;\n }\n get cornerRounding() {\n return Number(this.defines.CORNER_ROUNDING);\n }\n set cornerRounding(value) {\n const r = Math.min(Math.max(value, 0), 100);\n this.defines.CORNER_ROUNDING = r.toFixed(\"4\");\n this.defines.CORNER_ROUNDING_NORM = (r / 100).toFixed(\"4\");\n this.needsUpdate = true;\n }\n setCornerRounding(value) {\n this.cornerRounding = value;\n }\n get cornerDetection() {\n return this.defines.DISABLE_CORNER_DETECTION === void 0;\n }\n set cornerDetection(value) {\n if (value) {\n delete this.defines.DISABLE_CORNER_DETECTION;\n } else {\n this.defines.DISABLE_CORNER_DETECTION = \"1\";\n }\n this.needsUpdate = true;\n }\n isCornerRoundingEnabled() {\n return this.cornerDetection;\n }\n setCornerRoundingEnabled(value) {\n this.cornerDetection = value;\n }\n setSize(width, height) {\n const uniforms = this.uniforms;\n uniforms.texelSize.value.set(1 / width, 1 / height);\n uniforms.resolution.value.set(width, height);\n }\n};\n\n// src/materials/SSAOMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking7, Matrix4, NoBlending as NoBlending20, PerspectiveCamera as PerspectiveCamera6, ShaderMaterial as ShaderMaterial20, Uniform as Uniform20, Vector2 as Vector212 } from \"three\";\n\n// src/materials/glsl/ssao.frag\nvar ssao_default = \"#include \\n#include \\n#ifdef NORMAL_DEPTH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){return texture2D(normalDepthBuffer,uv).a;}\\n#else\\nuniform lowp sampler2D normalBuffer;\\n#if DEPTH_PACKING == 3201\\nuniform lowp sampler2D depthBuffer;\\n#elif defined(GL_FRAGMENT_PRECISION_HIGH)\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}\\n#endif\\nuniform lowp sampler2D noiseTexture;uniform mat4 inverseProjectionMatrix;uniform mat4 projectionMatrix;uniform vec2 texelSize;uniform vec2 cameraNearFar;uniform float intensity;uniform float minRadiusScale;uniform float fade;uniform float bias;uniform vec2 distanceCutoff;uniform vec2 proximityCutoff;varying vec2 vUv;varying vec2 vUv2;float getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#endif\\n}vec3 getViewPosition(const in vec2 screenPosition,const in float depth,const in float viewZ){vec4 clipPosition=vec4(vec3(screenPosition,depth)*2.0-1.0,1.0);float clipW=projectionMatrix[2][3]*viewZ+projectionMatrix[3][3];clipPosition*=clipW;return(inverseProjectionMatrix*clipPosition).xyz;}float getAmbientOcclusion(const in vec3 p,const in vec3 n,const in float depth,const in vec2 uv){float radiusScale=1.0-smoothstep(0.0,distanceCutoff.y,depth);radiusScale=radiusScale*(1.0-minRadiusScale)+minRadiusScale;float radius=RADIUS*radiusScale;float noise=texture2D(noiseTexture,vUv2).r;float baseAngle=noise*PI2;float rings=SPIRAL_TURNS*PI2;float occlusion=0.0;int taps=0;for(int i=0;i1.0||coords.t<0.0||coords.t>1.0){continue;}float sampleDepth=readDepth(coords);float viewZ=getViewZ(sampleDepth);\\n#ifdef PERSPECTIVE_CAMERA\\nfloat linearSampleDepth=viewZToOrthographicDepth(viewZ,cameraNearFar.x,cameraNearFar.y);\\n#else\\nfloat linearSampleDepth=sampleDepth;\\n#endif\\nfloat proximity=abs(depth-linearSampleDepth);if(proximity\\n}\";\n\n// src/materials/glsl/convolution.tilt-shift.vert\nvar convolution_tilt_shift_default2 = \"uniform vec4 texelSize;uniform float kernel;uniform float scale;uniform float aspect;uniform vec2 rotation;varying vec2 vUv;varying vec2 vUv2;varying vec2 vOffset;void main(){vec2 uv=position.xy*0.5+0.5;vUv=uv;vUv2=(uv-0.5)*2.0*vec2(aspect,1.0);vUv2=vec2(dot(rotation,vUv2),dot(rotation,vec2(vUv2.y,-vUv2.x)));vOffset=(texelSize.xy*vec2(kernel)+texelSize.zw)*scale;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/TiltShiftBlurMaterial.js\nvar TiltShiftBlurMaterial = class extends KawaseBlurMaterial {\n constructor({\n kernelSize = KernelSize.MEDIUM,\n offset = 0,\n rotation = 0,\n focusArea = 0.4,\n feather = 0.3\n } = {}) {\n super();\n this.fragmentShader = convolution_tilt_shift_default;\n this.vertexShader = convolution_tilt_shift_default2;\n this.kernelSize = kernelSize;\n this.uniforms.aspect = new Uniform21(1);\n this.uniforms.rotation = new Uniform21(new Vector213());\n this.uniforms.maskParams = new Uniform21(new Vector42());\n this._offset = offset;\n this._focusArea = focusArea;\n this._feather = feather;\n this.rotation = rotation;\n this.updateParams();\n }\n updateParams() {\n const params = this.uniforms.maskParams.value;\n const a = Math.max(this.focusArea, 0);\n const b = Math.max(a - this.feather, 0);\n params.set(\n this.offset - a,\n this.offset - b,\n this.offset + a,\n this.offset + b\n );\n }\n get rotation() {\n return Math.acos(this.uniforms.rotation.value.x);\n }\n set rotation(value) {\n this.uniforms.rotation.value.set(Math.cos(value), Math.sin(value));\n }\n get offset() {\n return this._offset;\n }\n set offset(value) {\n this._offset = value;\n this.updateParams();\n }\n get focusArea() {\n return this._focusArea;\n }\n set focusArea(value) {\n this._focusArea = value;\n this.updateParams();\n }\n get feather() {\n return this._feather;\n }\n set feather(value) {\n this._feather = value;\n this.updateParams();\n }\n setSize(width, height) {\n super.setSize(width, height);\n this.uniforms.aspect.value = width / height;\n }\n};\n\n// src/materials/UpsamplingMaterial.js\nimport { NoBlending as NoBlending21, ShaderMaterial as ShaderMaterial21, Uniform as Uniform22, Vector2 as Vector214 } from \"three\";\n\n// src/materials/glsl/convolution.upsampling.frag\nvar convolution_upsampling_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;uniform mediump sampler2D supportBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;uniform lowp sampler2D supportBuffer;\\n#endif\\nuniform float radius;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;varying vec2 vUv6;varying vec2 vUv7;void main(){vec4 c=vec4(0.0);c+=texture2D(inputBuffer,vUv0)*0.0625;c+=texture2D(inputBuffer,vUv1)*0.125;c+=texture2D(inputBuffer,vUv2)*0.0625;c+=texture2D(inputBuffer,vUv3)*0.125;c+=texture2D(inputBuffer,vUv)*0.25;c+=texture2D(inputBuffer,vUv4)*0.125;c+=texture2D(inputBuffer,vUv5)*0.0625;c+=texture2D(inputBuffer,vUv6)*0.125;c+=texture2D(inputBuffer,vUv7)*0.0625;vec4 baseColor=texture2D(supportBuffer,vUv);gl_FragColor=mix(baseColor,c,radius);\\n#include \\n}\";\n\n// src/materials/glsl/convolution.upsampling.vert\nvar convolution_upsampling_default2 = \"uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;varying vec2 vUv6;varying vec2 vUv7;void main(){vUv=position.xy*0.5+0.5;vUv0=vUv+texelSize*vec2(-1.0,1.0);vUv1=vUv+texelSize*vec2(0.0,1.0);vUv2=vUv+texelSize*vec2(1.0,1.0);vUv3=vUv+texelSize*vec2(-1.0,0.0);vUv4=vUv+texelSize*vec2(1.0,0.0);vUv5=vUv+texelSize*vec2(-1.0,-1.0);vUv6=vUv+texelSize*vec2(0.0,-1.0);vUv7=vUv+texelSize*vec2(1.0,-1.0);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/UpsamplingMaterial.js\nvar UpsamplingMaterial = class extends ShaderMaterial21 {\n constructor() {\n super({\n name: \"UpsamplingMaterial\",\n uniforms: {\n inputBuffer: new Uniform22(null),\n supportBuffer: new Uniform22(null),\n texelSize: new Uniform22(new Vector214()),\n radius: new Uniform22(0.85)\n },\n blending: NoBlending21,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_upsampling_default,\n vertexShader: convolution_upsampling_default2\n });\n this.toneMapped = false;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n set supportBuffer(value) {\n this.uniforms.supportBuffer.value = value;\n }\n get radius() {\n return this.uniforms.radius.value;\n }\n set radius(value) {\n this.uniforms.radius.value = value;\n }\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/passes/CopyPass.js\nimport { LinearFilter, sRGBEncoding as sRGBEncoding2, UnsignedByteType as UnsignedByteType3, WebGLRenderTarget as WebGLRenderTarget2 } from \"three\";\n\n// src/passes/Pass.js\nimport {\n BasicDepthPacking as BasicDepthPacking8,\n BufferAttribute,\n BufferGeometry,\n Camera,\n Material,\n Mesh,\n Scene,\n Texture,\n WebGLRenderTarget\n} from \"three\";\nvar dummyCamera = new Camera();\nvar geometry = null;\nfunction getFullscreenTriangle() {\n if (geometry === null) {\n const vertices = new Float32Array([-1, -1, 0, 3, -1, 0, -1, 3, 0]);\n const uvs = new Float32Array([0, 0, 2, 0, 0, 2]);\n geometry = new BufferGeometry();\n if (geometry.setAttribute !== void 0) {\n geometry.setAttribute(\"position\", new BufferAttribute(vertices, 3));\n geometry.setAttribute(\"uv\", new BufferAttribute(uvs, 2));\n } else {\n geometry.addAttribute(\"position\", new BufferAttribute(vertices, 3));\n geometry.addAttribute(\"uv\", new BufferAttribute(uvs, 2));\n }\n }\n return geometry;\n}\nvar Pass = class {\n constructor(name = \"Pass\", scene = new Scene(), camera = dummyCamera) {\n this.name = name;\n this.renderer = null;\n this.scene = scene;\n this.camera = camera;\n this.screen = null;\n this.rtt = true;\n this.needsSwap = true;\n this.needsDepthTexture = false;\n this.enabled = true;\n }\n get renderToScreen() {\n return !this.rtt;\n }\n set renderToScreen(value) {\n if (this.rtt === value) {\n const material = this.fullscreenMaterial;\n if (material !== null) {\n material.needsUpdate = true;\n }\n this.rtt = !value;\n }\n }\n set mainScene(value) {\n }\n set mainCamera(value) {\n }\n setRenderer(renderer) {\n this.renderer = renderer;\n }\n isEnabled() {\n return this.enabled;\n }\n setEnabled(value) {\n this.enabled = value;\n }\n get fullscreenMaterial() {\n return this.screen !== null ? this.screen.material : null;\n }\n set fullscreenMaterial(value) {\n let screen = this.screen;\n if (screen !== null) {\n screen.material = value;\n } else {\n screen = new Mesh(getFullscreenTriangle(), value);\n screen.frustumCulled = false;\n if (this.scene === null) {\n this.scene = new Scene();\n }\n this.scene.add(screen);\n this.screen = screen;\n }\n }\n getFullscreenMaterial() {\n return this.fullscreenMaterial;\n }\n setFullscreenMaterial(value) {\n this.fullscreenMaterial = value;\n }\n getDepthTexture() {\n return null;\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking8) {\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n throw new Error(\"Render method not implemented!\");\n }\n setSize(width, height) {\n }\n initialize(renderer, alpha, frameBufferType) {\n }\n dispose() {\n for (const key of Object.keys(this)) {\n const property = this[key];\n const isDisposable = property instanceof WebGLRenderTarget || property instanceof Material || property instanceof Texture || property instanceof Pass;\n if (isDisposable) {\n this[key].dispose();\n }\n }\n }\n};\n\n// src/passes/CopyPass.js\nvar CopyPass = class extends Pass {\n constructor(renderTarget, autoResize = true) {\n super(\"CopyPass\");\n this.fullscreenMaterial = new CopyMaterial();\n this.needsSwap = false;\n this.renderTarget = renderTarget;\n if (renderTarget === void 0) {\n this.renderTarget = new WebGLRenderTarget2(1, 1, {\n minFilter: LinearFilter,\n magFilter: LinearFilter,\n stencilBuffer: false,\n depthBuffer: false\n });\n this.renderTarget.texture.name = \"CopyPass.Target\";\n }\n this.autoResize = autoResize;\n }\n get resize() {\n return this.autoResize;\n }\n set resize(value) {\n this.autoResize = value;\n }\n get texture() {\n return this.renderTarget.texture;\n }\n getTexture() {\n return this.renderTarget.texture;\n }\n setAutoResizeEnabled(value) {\n this.autoResize = value;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n this.fullscreenMaterial.inputBuffer = inputBuffer.texture;\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n renderer.render(this.scene, this.camera);\n }\n setSize(width, height) {\n if (this.autoResize) {\n this.renderTarget.setSize(width, height);\n }\n }\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0) {\n this.renderTarget.texture.type = frameBufferType;\n if (frameBufferType !== UnsignedByteType3) {\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer.outputEncoding === sRGBEncoding2) {\n this.renderTarget.texture.encoding = sRGBEncoding2;\n }\n }\n }\n};\n\n// src/passes/AdaptiveLuminancePass.js\nvar AdaptiveLuminancePass = class extends Pass {\n constructor(luminanceBuffer, { minLuminance = 0.01, adaptationRate = 1 } = {}) {\n super(\"AdaptiveLuminancePass\");\n this.fullscreenMaterial = new AdaptiveLuminanceMaterial();\n this.needsSwap = false;\n this.renderTargetPrevious = new WebGLRenderTarget3(1, 1, {\n minFilter: NearestFilter,\n magFilter: NearestFilter,\n depthBuffer: false\n });\n this.renderTargetPrevious.texture.name = \"Luminance.Previous\";\n const material = this.fullscreenMaterial;\n material.luminanceBuffer0 = this.renderTargetPrevious.texture;\n material.luminanceBuffer1 = luminanceBuffer;\n material.minLuminance = minLuminance;\n material.adaptationRate = adaptationRate;\n this.renderTargetAdapted = this.renderTargetPrevious.clone();\n this.renderTargetAdapted.texture.name = \"Luminance.Adapted\";\n this.copyPass = new CopyPass(this.renderTargetPrevious, false);\n }\n get texture() {\n return this.renderTargetAdapted.texture;\n }\n getTexture() {\n return this.renderTargetAdapted.texture;\n }\n set mipLevel1x1(value) {\n this.fullscreenMaterial.mipLevel1x1 = value;\n }\n get adaptationRate() {\n return this.fullscreenMaterial.adaptationRate;\n }\n set adaptationRate(value) {\n this.fullscreenMaterial.adaptationRate = value;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n this.fullscreenMaterial.deltaTime = deltaTime;\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTargetAdapted);\n renderer.render(this.scene, this.camera);\n this.copyPass.render(renderer, this.renderTargetAdapted);\n }\n};\n\n// src/passes/BoxBlurPass.js\nimport { BasicDepthPacking as BasicDepthPacking9, sRGBEncoding as sRGBEncoding3, UnsignedByteType as UnsignedByteType4, WebGLRenderTarget as WebGLRenderTarget4 } from \"three\";\nvar BoxBlurPass = class extends Pass {\n constructor({\n kernelSize = 5,\n iterations = 1,\n bilateral = false,\n resolutionScale = 1,\n resolutionX = Resolution.AUTO_SIZE,\n resolutionY = Resolution.AUTO_SIZE\n } = {}) {\n super(\"BoxBlurPass\");\n this.needsDepthTexture = bilateral;\n this.renderTargetA = new WebGLRenderTarget4(1, 1, { depthBuffer: false });\n this.renderTargetA.texture.name = \"Blur.Target.A\";\n this.renderTargetB = new WebGLRenderTarget4(1, 1, { depthBuffer: false });\n this.renderTargetB.texture.name = \"Blur.Target.B\";\n this.blurMaterial = new BoxBlurMaterial({ bilateral, kernelSize });\n this.copyMaterial = new CopyMaterial();\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.iterations = iterations;\n }\n set mainCamera(value) {\n this.blurMaterial.copyCameraSettings(value);\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking9) {\n this.blurMaterial.depthBuffer = depthTexture;\n this.blurMaterial.depthPacking = depthPacking;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const scene = this.scene;\n const camera = this.camera;\n const renderTargetA = this.renderTargetA;\n const renderTargetB = this.renderTargetB;\n const blurMaterial = this.blurMaterial;\n this.fullscreenMaterial = blurMaterial;\n let previousBuffer = inputBuffer;\n for (let i = 0, l = Math.max(this.iterations, 1); i < l; ++i) {\n const buffer = (i & 1) === 0 ? renderTargetA : renderTargetB;\n blurMaterial.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(buffer);\n renderer.render(scene, camera);\n previousBuffer = buffer;\n }\n this.copyMaterial.inputBuffer = previousBuffer.texture;\n this.fullscreenMaterial = this.copyMaterial;\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(scene, camera);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.renderTargetA.setSize(w, h);\n this.renderTargetB.setSize(w, h);\n this.blurMaterial.setSize(width, height);\n }\n initialize(renderer, alpha, frameBufferType) {\n this.blurMaterial.maxVaryingVectors = renderer.capabilities.maxVaryings;\n if (frameBufferType !== void 0) {\n this.renderTargetA.texture.type = frameBufferType;\n this.renderTargetB.texture.type = frameBufferType;\n if (frameBufferType !== UnsignedByteType4) {\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer.outputEncoding === sRGBEncoding3) {\n this.renderTargetA.texture.encoding = sRGBEncoding3;\n this.renderTargetB.texture.encoding = sRGBEncoding3;\n }\n }\n }\n};\n\n// src/passes/ClearMaskPass.js\nvar ClearMaskPass = class extends Pass {\n constructor() {\n super(\"ClearMaskPass\", null, null);\n this.needsSwap = false;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const stencil = renderer.state.buffers.stencil;\n stencil.setLocked(false);\n stencil.setTest(false);\n }\n};\n\n// src/passes/ClearPass.js\nimport { Color } from \"three\";\nvar color = new Color();\nvar ClearPass = class extends Pass {\n constructor(color2 = true, depth = true, stencil = false) {\n super(\"ClearPass\", null, null);\n this.needsSwap = false;\n this.color = color2;\n this.depth = depth;\n this.stencil = stencil;\n this.overrideClearColor = null;\n this.overrideClearAlpha = -1;\n }\n setClearFlags(color2, depth, stencil) {\n this.color = color2;\n this.depth = depth;\n this.stencil = stencil;\n }\n getOverrideClearColor() {\n return this.overrideClearColor;\n }\n setOverrideClearColor(value) {\n this.overrideClearColor = value;\n }\n getOverrideClearAlpha() {\n return this.overrideClearAlpha;\n }\n setOverrideClearAlpha(value) {\n this.overrideClearAlpha = value;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const overrideClearColor = this.overrideClearColor;\n const overrideClearAlpha = this.overrideClearAlpha;\n const clearAlpha = renderer.getClearAlpha();\n const hasOverrideClearColor = overrideClearColor !== null;\n const hasOverrideClearAlpha = overrideClearAlpha >= 0;\n if (hasOverrideClearColor) {\n renderer.getClearColor(color);\n renderer.setClearColor(overrideClearColor, hasOverrideClearAlpha ? overrideClearAlpha : clearAlpha);\n } else if (hasOverrideClearAlpha) {\n renderer.setClearAlpha(overrideClearAlpha);\n }\n renderer.setRenderTarget(this.renderToScreen ? null : inputBuffer);\n renderer.clear(this.color, this.depth, this.stencil);\n if (hasOverrideClearColor) {\n renderer.setClearColor(color, clearAlpha);\n } else if (hasOverrideClearAlpha) {\n renderer.setClearAlpha(clearAlpha);\n }\n }\n};\n\n// src/passes/DepthPass.js\nimport { Color as Color2, MeshDepthMaterial, NearestFilter as NearestFilter2, RGBADepthPacking as RGBADepthPacking2, WebGLRenderTarget as WebGLRenderTarget5 } from \"three\";\n\n// src/core/Resolution.js\nimport { EventDispatcher, Vector2 as Vector215 } from \"three\";\nvar AUTO_SIZE = -1;\nvar Resolution = class extends EventDispatcher {\n constructor(resizable, width = AUTO_SIZE, height = AUTO_SIZE, scale = 1) {\n super();\n this.resizable = resizable;\n this.baseSize = new Vector215(1, 1);\n this.preferredSize = new Vector215(width, height);\n this.target = this.preferredSize;\n this.s = scale;\n this.effectiveSize = new Vector215();\n this.addEventListener(\"change\", () => this.updateEffectiveSize());\n this.updateEffectiveSize();\n }\n updateEffectiveSize() {\n const base = this.baseSize;\n const preferred = this.preferredSize;\n const effective = this.effectiveSize;\n const scale = this.scale;\n if (preferred.width !== AUTO_SIZE) {\n effective.width = preferred.width;\n } else if (preferred.height !== AUTO_SIZE) {\n effective.width = Math.round(preferred.height * (base.width / Math.max(base.height, 1)));\n } else {\n effective.width = Math.round(base.width * scale);\n }\n if (preferred.height !== AUTO_SIZE) {\n effective.height = preferred.height;\n } else if (preferred.width !== AUTO_SIZE) {\n effective.height = Math.round(preferred.width / Math.max(base.width / Math.max(base.height, 1), 1));\n } else {\n effective.height = Math.round(base.height * scale);\n }\n }\n get width() {\n return this.effectiveSize.width;\n }\n set width(value) {\n this.preferredWidth = value;\n }\n get height() {\n return this.effectiveSize.height;\n }\n set height(value) {\n this.preferredHeight = value;\n }\n getWidth() {\n return this.width;\n }\n getHeight() {\n return this.height;\n }\n get scale() {\n return this.s;\n }\n set scale(value) {\n if (this.s !== value) {\n this.s = value;\n this.preferredSize.setScalar(AUTO_SIZE);\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n getScale() {\n return this.scale;\n }\n setScale(value) {\n this.scale = value;\n }\n get baseWidth() {\n return this.baseSize.width;\n }\n set baseWidth(value) {\n if (this.baseSize.width !== value) {\n this.baseSize.width = value;\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n getBaseWidth() {\n return this.baseWidth;\n }\n setBaseWidth(value) {\n this.baseWidth = value;\n }\n get baseHeight() {\n return this.baseSize.height;\n }\n set baseHeight(value) {\n if (this.baseSize.height !== value) {\n this.baseSize.height = value;\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n getBaseHeight() {\n return this.baseHeight;\n }\n setBaseHeight(value) {\n this.baseHeight = value;\n }\n setBaseSize(width, height) {\n if (this.baseSize.width !== width || this.baseSize.height !== height) {\n this.baseSize.set(width, height);\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n get preferredWidth() {\n return this.preferredSize.width;\n }\n set preferredWidth(value) {\n if (this.preferredSize.width !== value) {\n this.preferredSize.width = value;\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n getPreferredWidth() {\n return this.preferredWidth;\n }\n setPreferredWidth(value) {\n this.preferredWidth = value;\n }\n get preferredHeight() {\n return this.preferredSize.height;\n }\n set preferredHeight(value) {\n if (this.preferredSize.height !== value) {\n this.preferredSize.height = value;\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n getPreferredHeight() {\n return this.preferredHeight;\n }\n setPreferredHeight(value) {\n this.preferredHeight = value;\n }\n setPreferredSize(width, height) {\n if (this.preferredSize.width !== width || this.preferredSize.height !== height) {\n this.preferredSize.set(width, height);\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n copy(resolution) {\n this.s = resolution.scale;\n this.baseSize.set(resolution.baseWidth, resolution.baseHeight);\n this.preferredSize.set(resolution.preferredWidth, resolution.preferredHeight);\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n static get AUTO_SIZE() {\n return AUTO_SIZE;\n }\n};\n\n// src/core/OverrideMaterialManager.js\nimport { BackSide, DoubleSide, FrontSide } from \"three\";\nvar workaroundEnabled = false;\nvar OverrideMaterialManager = class {\n constructor(material = null) {\n this.originalMaterials = /* @__PURE__ */ new Map();\n this.material = null;\n this.materials = null;\n this.materialsBackSide = null;\n this.materialsDoubleSide = null;\n this.materialsFlatShaded = null;\n this.materialsFlatShadedBackSide = null;\n this.materialsFlatShadedDoubleSide = null;\n this.setMaterial(material);\n this.meshCount = 0;\n this.replaceMaterial = (node) => {\n if (node.isMesh) {\n let materials;\n if (node.material.flatShading) {\n switch (node.material.side) {\n case DoubleSide:\n materials = this.materialsFlatShadedDoubleSide;\n break;\n case BackSide:\n materials = this.materialsFlatShadedBackSide;\n break;\n default:\n materials = this.materialsFlatShaded;\n break;\n }\n } else {\n switch (node.material.side) {\n case DoubleSide:\n materials = this.materialsDoubleSide;\n break;\n case BackSide:\n materials = this.materialsBackSide;\n break;\n default:\n materials = this.materials;\n break;\n }\n }\n this.originalMaterials.set(node, node.material);\n if (node.isSkinnedMesh) {\n node.material = materials[2];\n } else if (node.isInstancedMesh) {\n node.material = materials[1];\n } else {\n node.material = materials[0];\n }\n ++this.meshCount;\n }\n };\n }\n setMaterial(material) {\n this.disposeMaterials();\n this.material = material;\n if (material !== null) {\n const materials = this.materials = [\n material.clone(),\n material.clone(),\n material.clone()\n ];\n for (const m2 of materials) {\n m2.uniforms = Object.assign({}, material.uniforms);\n m2.side = FrontSide;\n }\n materials[2].skinning = true;\n this.materialsBackSide = materials.map((m2) => {\n const c2 = m2.clone();\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.side = BackSide;\n return c2;\n });\n this.materialsDoubleSide = materials.map((m2) => {\n const c2 = m2.clone();\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.side = DoubleSide;\n return c2;\n });\n this.materialsFlatShaded = materials.map((m2) => {\n const c2 = m2.clone();\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.flatShading = true;\n return c2;\n });\n this.materialsFlatShadedBackSide = materials.map((m2) => {\n const c2 = m2.clone();\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.flatShading = true;\n c2.side = BackSide;\n return c2;\n });\n this.materialsFlatShadedDoubleSide = materials.map((m2) => {\n const c2 = m2.clone();\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.flatShading = true;\n c2.side = DoubleSide;\n return c2;\n });\n }\n }\n render(renderer, scene, camera) {\n const shadowMapEnabled = renderer.shadowMap.enabled;\n renderer.shadowMap.enabled = false;\n if (workaroundEnabled) {\n const originalMaterials = this.originalMaterials;\n this.meshCount = 0;\n scene.traverse(this.replaceMaterial);\n renderer.render(scene, camera);\n for (const entry of originalMaterials) {\n entry[0].material = entry[1];\n }\n if (this.meshCount !== originalMaterials.size) {\n originalMaterials.clear();\n }\n } else {\n const overrideMaterial = scene.overrideMaterial;\n scene.overrideMaterial = this.material;\n renderer.render(scene, camera);\n scene.overrideMaterial = overrideMaterial;\n }\n renderer.shadowMap.enabled = shadowMapEnabled;\n }\n disposeMaterials() {\n if (this.material !== null) {\n const materials = this.materials.concat(this.materialsBackSide).concat(this.materialsDoubleSide).concat(this.materialsFlatShaded).concat(this.materialsFlatShadedBackSide).concat(this.materialsFlatShadedDoubleSide);\n for (const m2 of materials) {\n m2.dispose();\n }\n }\n }\n dispose() {\n this.originalMaterials.clear();\n this.disposeMaterials();\n }\n static get workaroundEnabled() {\n return workaroundEnabled;\n }\n static set workaroundEnabled(value) {\n workaroundEnabled = value;\n }\n};\n\n// src/passes/RenderPass.js\nvar RenderPass = class extends Pass {\n constructor(scene, camera, overrideMaterial = null) {\n super(\"RenderPass\", scene, camera);\n this.needsSwap = false;\n this.clearPass = new ClearPass();\n this.overrideMaterialManager = overrideMaterial === null ? null : new OverrideMaterialManager(overrideMaterial);\n this.ignoreBackground = false;\n this.skipShadowMapUpdate = false;\n this.selection = null;\n }\n set mainScene(value) {\n this.scene = value;\n }\n set mainCamera(value) {\n this.camera = value;\n }\n get renderToScreen() {\n return super.renderToScreen;\n }\n set renderToScreen(value) {\n super.renderToScreen = value;\n this.clearPass.renderToScreen = value;\n }\n get overrideMaterial() {\n const manager = this.overrideMaterialManager;\n return manager !== null ? manager.material : null;\n }\n set overrideMaterial(value) {\n const manager = this.overrideMaterialManager;\n if (value !== null) {\n if (manager !== null) {\n manager.setMaterial(value);\n } else {\n this.overrideMaterialManager = new OverrideMaterialManager(value);\n }\n } else if (manager !== null) {\n manager.dispose();\n this.overrideMaterialManager = null;\n }\n }\n getOverrideMaterial() {\n return this.overrideMaterial;\n }\n setOverrideMaterial(value) {\n this.overrideMaterial = value;\n }\n get clear() {\n return this.clearPass.enabled;\n }\n set clear(value) {\n this.clearPass.enabled = value;\n }\n getSelection() {\n return this.selection;\n }\n setSelection(value) {\n this.selection = value;\n }\n isBackgroundDisabled() {\n return this.ignoreBackground;\n }\n setBackgroundDisabled(value) {\n this.ignoreBackground = value;\n }\n isShadowMapDisabled() {\n return this.skipShadowMapUpdate;\n }\n setShadowMapDisabled(value) {\n this.skipShadowMapUpdate = value;\n }\n getClearPass() {\n return this.clearPass;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const scene = this.scene;\n const camera = this.camera;\n const selection = this.selection;\n const mask = camera.layers.mask;\n const background = scene.background;\n const shadowMapAutoUpdate = renderer.shadowMap.autoUpdate;\n const renderTarget = this.renderToScreen ? null : inputBuffer;\n if (selection !== null) {\n camera.layers.set(selection.getLayer());\n }\n if (this.skipShadowMapUpdate) {\n renderer.shadowMap.autoUpdate = false;\n }\n if (this.ignoreBackground || this.clearPass.overrideClearColor !== null) {\n scene.background = null;\n }\n if (this.clearPass.enabled) {\n this.clearPass.render(renderer, inputBuffer);\n }\n renderer.setRenderTarget(renderTarget);\n if (this.overrideMaterialManager !== null) {\n this.overrideMaterialManager.render(renderer, scene, camera);\n } else {\n renderer.render(scene, camera);\n }\n camera.layers.mask = mask;\n scene.background = background;\n renderer.shadowMap.autoUpdate = shadowMapAutoUpdate;\n }\n};\n\n// src/passes/DepthPass.js\nvar DepthPass = class extends Pass {\n constructor(scene, camera, {\n renderTarget,\n resolutionScale = 1,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"DepthPass\");\n this.needsSwap = false;\n this.renderPass = new RenderPass(scene, camera, new MeshDepthMaterial({\n depthPacking: RGBADepthPacking2\n }));\n const renderPass = this.renderPass;\n renderPass.skipShadowMapUpdate = true;\n renderPass.ignoreBackground = true;\n const clearPass = renderPass.getClearPass();\n clearPass.overrideClearColor = new Color2(16777215);\n clearPass.overrideClearAlpha = 1;\n this.renderTarget = renderTarget;\n if (this.renderTarget === void 0) {\n this.renderTarget = new WebGLRenderTarget5(1, 1, {\n minFilter: NearestFilter2,\n magFilter: NearestFilter2\n });\n this.renderTarget.texture.name = \"DepthPass.Target\";\n }\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n set mainScene(value) {\n this.renderPass.mainScene = value;\n }\n set mainCamera(value) {\n this.renderPass.mainCamera = value;\n }\n get texture() {\n return this.renderTarget.texture;\n }\n getTexture() {\n return this.renderTarget.texture;\n }\n getResolution() {\n return this.resolution;\n }\n getResolutionScale() {\n return this.resolution.scale;\n }\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const renderTarget = this.renderToScreen ? null : this.renderTarget;\n this.renderPass.render(renderer, renderTarget);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n }\n};\n\n// src/passes/DepthDownsamplingPass.js\nimport { BasicDepthPacking as BasicDepthPacking10, FloatType, NearestFilter as NearestFilter3, WebGLRenderTarget as WebGLRenderTarget6 } from \"three\";\nvar DepthDownsamplingPass = class extends Pass {\n constructor({\n normalBuffer = null,\n resolutionScale = 0.5,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"DepthDownsamplingPass\");\n const material = new DepthDownsamplingMaterial();\n material.normalBuffer = normalBuffer;\n this.fullscreenMaterial = material;\n this.needsDepthTexture = true;\n this.needsSwap = false;\n this.renderTarget = new WebGLRenderTarget6(1, 1, {\n minFilter: NearestFilter3,\n magFilter: NearestFilter3,\n depthBuffer: false,\n type: FloatType\n });\n this.renderTarget.texture.name = \"DepthDownsamplingPass.Target\";\n this.renderTarget.texture.generateMipmaps = false;\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n get texture() {\n return this.renderTarget.texture;\n }\n getTexture() {\n return this.renderTarget.texture;\n }\n getResolution() {\n return this.resolution;\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking10) {\n this.fullscreenMaterial.depthBuffer = depthTexture;\n this.fullscreenMaterial.depthPacking = depthPacking;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n renderer.render(this.scene, this.camera);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n this.fullscreenMaterial.setSize(width, height);\n }\n initialize(renderer, alpha, frameBufferType) {\n const gl = renderer.getContext();\n const renderable = gl.getExtension(\"EXT_color_buffer_float\") || gl.getExtension(\"EXT_color_buffer_half_float\");\n if (!renderable) {\n throw new Error(\"Rendering to float texture is not supported.\");\n }\n }\n};\n\n// src/passes/DepthPickingPass.js\nimport { FloatType as FloatType3, RGBADepthPacking as RGBADepthPacking4 } from \"three\";\n\n// src/passes/DepthCopyPass.js\nimport {\n BasicDepthPacking as BasicDepthPacking11,\n FloatType as FloatType2,\n NearestFilter as NearestFilter4,\n RGBADepthPacking as RGBADepthPacking3,\n UnsignedByteType as UnsignedByteType5,\n WebGLRenderTarget as WebGLRenderTarget7\n} from \"three\";\nvar DepthCopyPass = class extends Pass {\n constructor({ depthPacking = RGBADepthPacking3 } = {}) {\n super(\"DepthCopyPass\");\n const material = new DepthCopyMaterial();\n material.outputDepthPacking = depthPacking;\n this.fullscreenMaterial = material;\n this.needsDepthTexture = true;\n this.needsSwap = false;\n this.renderTarget = new WebGLRenderTarget7(1, 1, {\n type: depthPacking === RGBADepthPacking3 ? UnsignedByteType5 : FloatType2,\n minFilter: NearestFilter4,\n magFilter: NearestFilter4,\n depthBuffer: false\n });\n this.renderTarget.texture.name = \"DepthCopyPass.Target\";\n }\n get texture() {\n return this.renderTarget.texture;\n }\n getTexture() {\n return this.renderTarget.texture;\n }\n get depthPacking() {\n return this.fullscreenMaterial.outputDepthPacking;\n }\n getDepthPacking() {\n return this.fullscreenMaterial.outputDepthPacking;\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking11) {\n this.fullscreenMaterial.depthBuffer = depthTexture;\n this.fullscreenMaterial.inputDepthPacking = depthPacking;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n renderer.render(this.scene, this.camera);\n }\n setSize(width, height) {\n this.renderTarget.setSize(width, height);\n }\n};\n\n// src/passes/DepthPickingPass.js\nvar unpackFactors = new Float32Array([\n 255 / 256 / 256 ** 3,\n 255 / 256 / 256 ** 2,\n 255 / 256 / 256,\n 255 / 256\n]);\nfunction unpackRGBAToDepth(packedDepth) {\n return (packedDepth[0] * unpackFactors[0] + packedDepth[1] * unpackFactors[1] + packedDepth[2] * unpackFactors[2] + packedDepth[3] * unpackFactors[3]) / 255;\n}\nvar DepthPickingPass = class extends DepthCopyPass {\n constructor({ depthPacking = RGBADepthPacking4, mode = DepthCopyMode.SINGLE } = {}) {\n super({ depthPacking });\n this.name = \"DepthPickingPass\";\n this.fullscreenMaterial.mode = mode;\n this.pixelBuffer = depthPacking === RGBADepthPacking4 ? new Uint8Array(4) : new Float32Array(4);\n this.callback = null;\n }\n readDepth(ndc) {\n this.fullscreenMaterial.texelPosition.set(ndc.x * 0.5 + 0.5, ndc.y * 0.5 + 0.5);\n return new Promise((resolve) => {\n this.callback = resolve;\n });\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const material = this.fullscreenMaterial;\n const mode = material.mode;\n if (mode === DepthCopyMode.FULL) {\n super.render(renderer);\n }\n if (this.callback !== null) {\n const renderTarget = this.renderTarget;\n const pixelBuffer = this.pixelBuffer;\n const packed = renderTarget.texture.type !== FloatType3;\n let x = 0, y = 0;\n if (mode === DepthCopyMode.SINGLE) {\n super.render(renderer);\n } else {\n const texelPosition = material.texelPosition;\n x = Math.round(texelPosition.x * renderTarget.width);\n y = Math.round(texelPosition.y * renderTarget.height);\n }\n renderer.readRenderTargetPixels(renderTarget, x, y, 1, 1, pixelBuffer);\n this.callback(packed ? unpackRGBAToDepth(pixelBuffer) : pixelBuffer[0]);\n this.callback = null;\n }\n }\n setSize(width, height) {\n if (this.fullscreenMaterial.mode === DepthCopyMode.FULL) {\n super.setSize(width, height);\n }\n }\n};\n\n// src/passes/EffectPass.js\nimport { BasicDepthPacking as BasicDepthPacking12, UnsignedByteType as UnsignedByteType6, sRGBEncoding as sRGBEncoding4 } from \"three\";\nfunction prefixSubstrings(prefix, substrings, strings) {\n for (const substring of substrings) {\n const prefixed = \"$1\" + prefix + substring.charAt(0).toUpperCase() + substring.slice(1);\n const regExp = new RegExp(\"([^\\\\.])(\\\\b\" + substring + \"\\\\b)\", \"g\");\n for (const entry of strings.entries()) {\n if (entry[1] !== null) {\n strings.set(entry[0], entry[1].replace(regExp, prefixed));\n }\n }\n }\n}\nfunction integrateEffect(prefix, effect, data) {\n var _a, _b, _c, _d, _e;\n let fragmentShader = effect.getFragmentShader();\n let vertexShader = effect.getVertexShader();\n const mainImageExists = fragmentShader !== void 0 && /mainImage/.test(fragmentShader);\n const mainUvExists = fragmentShader !== void 0 && /mainUv/.test(fragmentShader);\n data.attributes |= effect.getAttributes();\n if (fragmentShader === void 0) {\n throw new Error(`Missing fragment shader (${effect.name})`);\n } else if (mainUvExists && (data.attributes & EffectAttribute.CONVOLUTION) !== 0) {\n throw new Error(`Effects that transform UVs are incompatible with convolution effects (${effect.name})`);\n } else if (!mainImageExists && !mainUvExists) {\n throw new Error(`Could not find mainImage or mainUv function (${effect.name})`);\n } else {\n const functionRegExp = /\\w+\\s+(\\w+)\\([\\w\\s,]*\\)\\s*{/g;\n const shaderParts = data.shaderParts;\n let fragmentHead = (_a = shaderParts.get(EffectShaderSection.FRAGMENT_HEAD)) != null ? _a : \"\";\n let fragmentMainUv = (_b = shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_UV)) != null ? _b : \"\";\n let fragmentMainImage = (_c = shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_IMAGE)) != null ? _c : \"\";\n let vertexHead = (_d = shaderParts.get(EffectShaderSection.VERTEX_HEAD)) != null ? _d : \"\";\n let vertexMainSupport = (_e = shaderParts.get(EffectShaderSection.VERTEX_MAIN_SUPPORT)) != null ? _e : \"\";\n const varyings = /* @__PURE__ */ new Set();\n const names = /* @__PURE__ */ new Set();\n if (mainUvExists) {\n fragmentMainUv += `\t${prefix}MainUv(UV);\n`;\n data.uvTransformation = true;\n }\n if (vertexShader !== null && /mainSupport/.test(vertexShader)) {\n const needsUv = /mainSupport *\\([\\w\\s]*?uv\\s*?\\)/.test(vertexShader);\n vertexMainSupport += `\t${prefix}MainSupport(`;\n vertexMainSupport += needsUv ? \"vUv);\\n\" : \");\\n\";\n for (const m2 of vertexShader.matchAll(/(?:varying\\s+\\w+\\s+([\\S\\s]*?);)/g)) {\n for (const n of m2[1].split(/\\s*,\\s*/)) {\n data.varyings.add(n);\n varyings.add(n);\n names.add(n);\n }\n }\n for (const m2 of vertexShader.matchAll(functionRegExp)) {\n names.add(m2[1]);\n }\n }\n for (const m2 of fragmentShader.matchAll(functionRegExp)) {\n names.add(m2[1]);\n }\n for (const d of effect.defines.keys()) {\n names.add(d.replace(/\\([\\w\\s,]*\\)/g, \"\"));\n }\n for (const u of effect.uniforms.keys()) {\n names.add(u);\n }\n names.delete(\"while\");\n names.delete(\"for\");\n names.delete(\"if\");\n effect.uniforms.forEach((val, key) => data.uniforms.set(prefix + key.charAt(0).toUpperCase() + key.slice(1), val));\n effect.defines.forEach((val, key) => data.defines.set(prefix + key.charAt(0).toUpperCase() + key.slice(1), val));\n const shaders = /* @__PURE__ */ new Map([[\"fragment\", fragmentShader], [\"vertex\", vertexShader]]);\n prefixSubstrings(prefix, names, data.defines);\n prefixSubstrings(prefix, names, shaders);\n fragmentShader = shaders.get(\"fragment\");\n vertexShader = shaders.get(\"vertex\");\n const blendMode = effect.blendMode;\n data.blendModes.set(blendMode.blendFunction, blendMode);\n if (mainImageExists) {\n if (effect.inputColorSpace !== null && effect.inputColorSpace !== data.colorSpace) {\n fragmentMainImage += effect.inputColorSpace === sRGBEncoding4 ? \"color0 = LinearTosRGB(color0);\\n\t\" : \"color0 = sRGBToLinear(color0);\\n\t\";\n }\n if (effect.outputColorSpace !== null) {\n data.colorSpace = effect.outputColorSpace;\n } else if (effect.inputColorSpace !== null) {\n data.colorSpace = effect.inputColorSpace;\n }\n const depthParamRegExp = /MainImage *\\([\\w\\s,]*?depth[\\w\\s,]*?\\)/;\n fragmentMainImage += `${prefix}MainImage(color0, UV, `;\n if ((data.attributes & EffectAttribute.DEPTH) !== 0 && depthParamRegExp.test(fragmentShader)) {\n fragmentMainImage += \"depth, \";\n data.readDepth = true;\n }\n fragmentMainImage += \"color1);\\n\t\";\n const blendOpacity = prefix + \"BlendOpacity\";\n data.uniforms.set(blendOpacity, blendMode.opacity);\n fragmentMainImage += `color0 = blend${blendMode.blendFunction}(color0, color1, ${blendOpacity});\n\n\t`;\n fragmentHead += `uniform float ${blendOpacity};\n\n`;\n }\n fragmentHead += fragmentShader + \"\\n\";\n if (vertexShader !== null) {\n vertexHead += vertexShader + \"\\n\";\n }\n shaderParts.set(EffectShaderSection.FRAGMENT_HEAD, fragmentHead);\n shaderParts.set(EffectShaderSection.FRAGMENT_MAIN_UV, fragmentMainUv);\n shaderParts.set(EffectShaderSection.FRAGMENT_MAIN_IMAGE, fragmentMainImage);\n shaderParts.set(EffectShaderSection.VERTEX_HEAD, vertexHead);\n shaderParts.set(EffectShaderSection.VERTEX_MAIN_SUPPORT, vertexMainSupport);\n if (effect.extensions !== null) {\n for (const extension of effect.extensions) {\n data.extensions.add(extension);\n }\n }\n }\n}\nvar EffectPass = class extends Pass {\n constructor(camera, ...effects) {\n super(\"EffectPass\");\n this.fullscreenMaterial = new EffectMaterial(null, null, null, camera);\n this.listener = (event) => this.handleEvent(event);\n this.effects = [];\n this.setEffects(effects);\n this.skipRendering = false;\n this.minTime = 1;\n this.maxTime = Number.POSITIVE_INFINITY;\n this.timeScale = 1;\n }\n set mainScene(value) {\n for (const effect of this.effects) {\n effect.mainScene = value;\n }\n }\n set mainCamera(value) {\n this.fullscreenMaterial.copyCameraSettings(value);\n for (const effect of this.effects) {\n effect.mainCamera = value;\n }\n }\n get encodeOutput() {\n return this.fullscreenMaterial.encodeOutput;\n }\n set encodeOutput(value) {\n this.fullscreenMaterial.encodeOutput = value;\n }\n get dithering() {\n return this.fullscreenMaterial.dithering;\n }\n set dithering(value) {\n const material = this.fullscreenMaterial;\n material.dithering = value;\n material.needsUpdate = true;\n }\n setEffects(effects) {\n for (const effect of this.effects) {\n effect.removeEventListener(\"change\", this.listener);\n }\n this.effects = effects.sort((a, b) => b.attributes - a.attributes);\n for (const effect of this.effects) {\n effect.addEventListener(\"change\", this.listener);\n }\n }\n updateMaterial() {\n const data = new EffectShaderData();\n let id = 0;\n for (const effect of this.effects) {\n if (effect.blendMode.blendFunction === BlendFunction.DST) {\n data.attributes |= effect.getAttributes() & EffectAttribute.DEPTH;\n } else if ((data.attributes & effect.getAttributes() & EffectAttribute.CONVOLUTION) !== 0) {\n throw new Error(`Convolution effects cannot be merged (${effect.name})`);\n } else {\n integrateEffect(\"e\" + id++, effect, data);\n }\n }\n let fragmentHead = data.shaderParts.get(EffectShaderSection.FRAGMENT_HEAD);\n let fragmentMainImage = data.shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_IMAGE);\n let fragmentMainUv = data.shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_UV);\n const blendRegExp = /\\bblend\\b/g;\n for (const blendMode of data.blendModes.values()) {\n fragmentHead += blendMode.getShaderCode().replace(blendRegExp, `blend${blendMode.blendFunction}`) + \"\\n\";\n }\n if ((data.attributes & EffectAttribute.DEPTH) !== 0) {\n if (data.readDepth) {\n fragmentMainImage = \"float depth = readDepth(UV);\\n\\n\t\" + fragmentMainImage;\n }\n this.needsDepthTexture = this.getDepthTexture() === null;\n } else {\n this.needsDepthTexture = false;\n }\n if (data.colorSpace === sRGBEncoding4) {\n fragmentMainImage += \"color0 = sRGBToLinear(color0);\\n\t\";\n }\n if (data.uvTransformation) {\n fragmentMainUv = \"vec2 transformedUv = vUv;\\n\" + fragmentMainUv;\n data.defines.set(\"UV\", \"transformedUv\");\n } else {\n data.defines.set(\"UV\", \"vUv\");\n }\n data.shaderParts.set(EffectShaderSection.FRAGMENT_HEAD, fragmentHead);\n data.shaderParts.set(EffectShaderSection.FRAGMENT_MAIN_IMAGE, fragmentMainImage);\n data.shaderParts.set(EffectShaderSection.FRAGMENT_MAIN_UV, fragmentMainUv);\n data.shaderParts.forEach((value, key, map) => map.set(key, value == null ? void 0 : value.trim().replace(/^#/, \"\\n#\")));\n this.skipRendering = id === 0;\n this.needsSwap = !this.skipRendering;\n this.fullscreenMaterial.setShaderData(data);\n }\n recompile() {\n this.updateMaterial();\n }\n getDepthTexture() {\n return this.fullscreenMaterial.depthBuffer;\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking12) {\n this.fullscreenMaterial.depthBuffer = depthTexture;\n this.fullscreenMaterial.depthPacking = depthPacking;\n for (const effect of this.effects) {\n effect.setDepthTexture(depthTexture, depthPacking);\n }\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n for (const effect of this.effects) {\n effect.update(renderer, inputBuffer, deltaTime);\n }\n if (!this.skipRendering || this.renderToScreen) {\n const material = this.fullscreenMaterial;\n material.inputBuffer = inputBuffer.texture;\n material.time += deltaTime * this.timeScale;\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(this.scene, this.camera);\n }\n }\n setSize(width, height) {\n this.fullscreenMaterial.setSize(width, height);\n for (const effect of this.effects) {\n effect.setSize(width, height);\n }\n }\n initialize(renderer, alpha, frameBufferType) {\n this.renderer = renderer;\n for (const effect of this.effects) {\n effect.initialize(renderer, alpha, frameBufferType);\n }\n this.updateMaterial();\n if (frameBufferType !== void 0 && frameBufferType !== UnsignedByteType6) {\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n }\n }\n dispose() {\n super.dispose();\n for (const effect of this.effects) {\n effect.removeEventListener(\"change\", this.listener);\n effect.dispose();\n }\n }\n handleEvent(event) {\n switch (event.type) {\n case \"change\":\n this.recompile();\n break;\n }\n }\n};\n\n// src/passes/GaussianBlurPass.js\nimport { sRGBEncoding as sRGBEncoding5, UnsignedByteType as UnsignedByteType7, WebGLRenderTarget as WebGLRenderTarget8 } from \"three\";\nvar GaussianBlurPass = class extends Pass {\n constructor({\n kernelSize = 35,\n iterations = 1,\n resolutionScale = 1,\n resolutionX = Resolution.AUTO_SIZE,\n resolutionY = Resolution.AUTO_SIZE\n } = {}) {\n super(\"GaussianBlurPass\");\n this.renderTargetA = new WebGLRenderTarget8(1, 1, { depthBuffer: false });\n this.renderTargetA.texture.name = \"Blur.Target.A\";\n this.renderTargetB = this.renderTargetA.clone();\n this.renderTargetB.texture.name = \"Blur.Target.B\";\n this.blurMaterial = new GaussianBlurMaterial({ kernelSize });\n this.copyMaterial = new CopyMaterial();\n this.copyMaterial.inputBuffer = this.renderTargetB.texture;\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.iterations = iterations;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const scene = this.scene;\n const camera = this.camera;\n const renderTargetA = this.renderTargetA;\n const renderTargetB = this.renderTargetB;\n const blurMaterial = this.blurMaterial;\n this.fullscreenMaterial = blurMaterial;\n let previousBuffer = inputBuffer;\n for (let i = 0, l = Math.max(this.iterations, 1); i < l; ++i) {\n blurMaterial.direction.set(1, 0);\n blurMaterial.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(renderTargetA);\n renderer.render(scene, camera);\n blurMaterial.direction.set(0, 1);\n blurMaterial.inputBuffer = renderTargetA.texture;\n renderer.setRenderTarget(renderTargetB);\n renderer.render(scene, camera);\n if (i === 0 && l > 1) {\n previousBuffer = renderTargetB;\n }\n }\n this.fullscreenMaterial = this.copyMaterial;\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(scene, camera);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.renderTargetA.setSize(w, h);\n this.renderTargetB.setSize(w, h);\n this.blurMaterial.setSize(width, height);\n }\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0) {\n this.renderTargetA.texture.type = frameBufferType;\n this.renderTargetB.texture.type = frameBufferType;\n if (frameBufferType !== UnsignedByteType7) {\n this.blurMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n this.copyMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer.outputEncoding === sRGBEncoding5) {\n this.renderTargetA.texture.encoding = sRGBEncoding5;\n this.renderTargetB.texture.encoding = sRGBEncoding5;\n }\n }\n }\n};\n\n// src/passes/KawaseBlurPass.js\nimport { sRGBEncoding as sRGBEncoding6, UnsignedByteType as UnsignedByteType8, WebGLRenderTarget as WebGLRenderTarget9 } from \"three\";\nvar KawaseBlurPass = class extends Pass {\n constructor({\n kernelSize = KernelSize.MEDIUM,\n resolutionScale = 0.5,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"KawaseBlurPass\");\n this.renderTargetA = new WebGLRenderTarget9(1, 1, { depthBuffer: false });\n this.renderTargetA.texture.name = \"Blur.Target.A\";\n this.renderTargetB = this.renderTargetA.clone();\n this.renderTargetB.texture.name = \"Blur.Target.B\";\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this._blurMaterial = new KawaseBlurMaterial();\n this._blurMaterial.kernelSize = kernelSize;\n this.copyMaterial = new CopyMaterial();\n }\n getResolution() {\n return this.resolution;\n }\n get blurMaterial() {\n return this._blurMaterial;\n }\n set blurMaterial(value) {\n this._blurMaterial = value;\n }\n get dithering() {\n return this.copyMaterial.dithering;\n }\n set dithering(value) {\n this.copyMaterial.dithering = value;\n }\n get kernelSize() {\n return this.blurMaterial.kernelSize;\n }\n set kernelSize(value) {\n this.blurMaterial.kernelSize = value;\n }\n get width() {\n return this.resolution.width;\n }\n set width(value) {\n this.resolution.preferredWidth = value;\n }\n get height() {\n return this.resolution.height;\n }\n set height(value) {\n this.resolution.preferredHeight = value;\n }\n get scale() {\n return this.blurMaterial.scale;\n }\n set scale(value) {\n this.blurMaterial.scale = value;\n }\n getScale() {\n return this.blurMaterial.scale;\n }\n setScale(value) {\n this.blurMaterial.scale = value;\n }\n getKernelSize() {\n return this.kernelSize;\n }\n setKernelSize(value) {\n this.kernelSize = value;\n }\n getResolutionScale() {\n return this.resolution.scale;\n }\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const scene = this.scene;\n const camera = this.camera;\n const renderTargetA = this.renderTargetA;\n const renderTargetB = this.renderTargetB;\n const material = this.blurMaterial;\n const kernelSequence = material.kernelSequence;\n let previousBuffer = inputBuffer;\n this.fullscreenMaterial = material;\n for (let i = 0, l = kernelSequence.length; i < l; ++i) {\n const buffer = (i & 1) === 0 ? renderTargetA : renderTargetB;\n material.kernel = kernelSequence[i];\n material.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(buffer);\n renderer.render(scene, camera);\n previousBuffer = buffer;\n }\n this.fullscreenMaterial = this.copyMaterial;\n this.copyMaterial.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(scene, camera);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.renderTargetA.setSize(w, h);\n this.renderTargetB.setSize(w, h);\n this.blurMaterial.setSize(width, height);\n }\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0) {\n this.renderTargetA.texture.type = frameBufferType;\n this.renderTargetB.texture.type = frameBufferType;\n if (frameBufferType !== UnsignedByteType8) {\n this.blurMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n this.copyMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer.outputEncoding === sRGBEncoding6) {\n this.renderTargetA.texture.encoding = sRGBEncoding6;\n this.renderTargetB.texture.encoding = sRGBEncoding6;\n }\n }\n }\n static get AUTO_SIZE() {\n return Resolution.AUTO_SIZE;\n }\n};\n\n// src/passes/LambdaPass.js\nvar LambdaPass = class extends Pass {\n constructor(f) {\n super(\"LambdaPass\", null, null);\n this.needsSwap = false;\n this.f = f;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n this.f();\n }\n};\n\n// src/passes/LuminancePass.js\nimport { UnsignedByteType as UnsignedByteType9, WebGLRenderTarget as WebGLRenderTarget10 } from \"three\";\nvar LuminancePass = class extends Pass {\n constructor({\n renderTarget,\n luminanceRange,\n colorOutput,\n resolutionScale = 1,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"LuminancePass\");\n this.fullscreenMaterial = new LuminanceMaterial(colorOutput, luminanceRange);\n this.needsSwap = false;\n this.renderTarget = renderTarget;\n if (this.renderTarget === void 0) {\n this.renderTarget = new WebGLRenderTarget10(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"LuminancePass.Target\";\n }\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n get texture() {\n return this.renderTarget.texture;\n }\n getTexture() {\n return this.renderTarget.texture;\n }\n getResolution() {\n return this.resolution;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const material = this.fullscreenMaterial;\n material.inputBuffer = inputBuffer.texture;\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n renderer.render(this.scene, this.camera);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n }\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0 && frameBufferType !== UnsignedByteType9) {\n this.renderTarget.texture.type = frameBufferType;\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n }\n }\n};\n\n// src/passes/MaskPass.js\nvar MaskPass = class extends Pass {\n constructor(scene, camera) {\n super(\"MaskPass\", scene, camera);\n this.needsSwap = false;\n this.clearPass = new ClearPass(false, false, true);\n this.inverse = false;\n }\n set mainScene(value) {\n this.scene = value;\n }\n set mainCamera(value) {\n this.camera = value;\n }\n get inverted() {\n return this.inverse;\n }\n set inverted(value) {\n this.inverse = value;\n }\n get clear() {\n return this.clearPass.enabled;\n }\n set clear(value) {\n this.clearPass.enabled = value;\n }\n getClearPass() {\n return this.clearPass;\n }\n isInverted() {\n return this.inverted;\n }\n setInverted(value) {\n this.inverted = value;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const context = renderer.getContext();\n const buffers = renderer.state.buffers;\n const scene = this.scene;\n const camera = this.camera;\n const clearPass = this.clearPass;\n const writeValue = this.inverted ? 0 : 1;\n const clearValue = 1 - writeValue;\n buffers.color.setMask(false);\n buffers.depth.setMask(false);\n buffers.color.setLocked(true);\n buffers.depth.setLocked(true);\n buffers.stencil.setTest(true);\n buffers.stencil.setOp(context.REPLACE, context.REPLACE, context.REPLACE);\n buffers.stencil.setFunc(context.ALWAYS, writeValue, 4294967295);\n buffers.stencil.setClear(clearValue);\n buffers.stencil.setLocked(true);\n if (this.clearPass.enabled) {\n if (this.renderToScreen) {\n clearPass.render(renderer, null);\n } else {\n clearPass.render(renderer, inputBuffer);\n clearPass.render(renderer, outputBuffer);\n }\n }\n if (this.renderToScreen) {\n renderer.setRenderTarget(null);\n renderer.render(scene, camera);\n } else {\n renderer.setRenderTarget(inputBuffer);\n renderer.render(scene, camera);\n renderer.setRenderTarget(outputBuffer);\n renderer.render(scene, camera);\n }\n buffers.color.setLocked(false);\n buffers.depth.setLocked(false);\n buffers.stencil.setLocked(false);\n buffers.stencil.setFunc(context.EQUAL, 1, 4294967295);\n buffers.stencil.setOp(context.KEEP, context.KEEP, context.KEEP);\n buffers.stencil.setLocked(true);\n }\n};\n\n// src/passes/MipmapBlurPass.js\nimport { sRGBEncoding as sRGBEncoding7, UnsignedByteType as UnsignedByteType10, Vector2 as Vector216, WebGLRenderTarget as WebGLRenderTarget11 } from \"three\";\nvar MipmapBlurPass = class extends Pass {\n constructor() {\n super(\"MipmapBlurPass\");\n this.needsSwap = false;\n this.renderTarget = new WebGLRenderTarget11(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"Upsampling.Mipmap0\";\n this.downsamplingMipmaps = [];\n this.upsamplingMipmaps = [];\n this.downsamplingMaterial = new DownsamplingMaterial();\n this.upsamplingMaterial = new UpsamplingMaterial();\n this.resolution = new Vector216();\n }\n get texture() {\n return this.renderTarget.texture;\n }\n get levels() {\n return this.downsamplingMipmaps.length;\n }\n set levels(value) {\n if (this.levels !== value) {\n const renderTarget = this.renderTarget;\n this.dispose();\n this.downsamplingMipmaps = [];\n this.upsamplingMipmaps = [];\n for (let i = 0; i < value; ++i) {\n const mipmap = renderTarget.clone();\n mipmap.texture.name = \"Downsampling.Mipmap\" + i;\n this.downsamplingMipmaps.push(mipmap);\n }\n this.upsamplingMipmaps.push(renderTarget);\n for (let i = 1, l = value - 1; i < l; ++i) {\n const mipmap = renderTarget.clone();\n mipmap.texture.name = \"Upsampling.Mipmap\" + i;\n this.upsamplingMipmaps.push(mipmap);\n }\n this.setSize(this.resolution.x, this.resolution.y);\n }\n }\n get radius() {\n return this.upsamplingMaterial.radius;\n }\n set radius(value) {\n this.upsamplingMaterial.radius = value;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const { scene, camera } = this;\n const { downsamplingMaterial, upsamplingMaterial } = this;\n const { downsamplingMipmaps, upsamplingMipmaps } = this;\n let previousBuffer = inputBuffer;\n this.fullscreenMaterial = downsamplingMaterial;\n for (let i = 0, l = downsamplingMipmaps.length; i < l; ++i) {\n const mipmap = downsamplingMipmaps[i];\n downsamplingMaterial.setSize(previousBuffer.width, previousBuffer.height);\n downsamplingMaterial.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(mipmap);\n renderer.render(scene, camera);\n previousBuffer = mipmap;\n }\n this.fullscreenMaterial = upsamplingMaterial;\n for (let i = upsamplingMipmaps.length - 1; i >= 0; --i) {\n const mipmap = upsamplingMipmaps[i];\n upsamplingMaterial.setSize(previousBuffer.width, previousBuffer.height);\n upsamplingMaterial.inputBuffer = previousBuffer.texture;\n upsamplingMaterial.supportBuffer = downsamplingMipmaps[i].texture;\n renderer.setRenderTarget(mipmap);\n renderer.render(scene, camera);\n previousBuffer = mipmap;\n }\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.set(width, height);\n let w = resolution.width, h = resolution.height;\n for (let i = 0, l = this.downsamplingMipmaps.length; i < l; ++i) {\n w = Math.round(w * 0.5);\n h = Math.round(h * 0.5);\n this.downsamplingMipmaps[i].setSize(w, h);\n if (i < this.upsamplingMipmaps.length) {\n this.upsamplingMipmaps[i].setSize(w, h);\n }\n }\n }\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0) {\n const mipmaps = this.downsamplingMipmaps.concat(this.upsamplingMipmaps);\n for (const mipmap of mipmaps) {\n mipmap.texture.type = frameBufferType;\n }\n if (frameBufferType !== UnsignedByteType10) {\n this.downsamplingMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n this.upsamplingMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer.outputEncoding === sRGBEncoding7) {\n for (const mipmap of mipmaps) {\n mipmap.texture.encoding = sRGBEncoding7;\n }\n }\n }\n }\n dispose() {\n super.dispose();\n for (const mipmap of this.downsamplingMipmaps.concat(this.upsamplingMipmaps)) {\n mipmap.dispose();\n }\n }\n};\n\n// src/passes/NormalPass.js\nimport { Color as Color3, MeshNormalMaterial, NearestFilter as NearestFilter5, WebGLRenderTarget as WebGLRenderTarget12 } from \"three\";\nvar NormalPass = class extends Pass {\n constructor(scene, camera, {\n renderTarget,\n resolutionScale = 1,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"NormalPass\");\n this.needsSwap = false;\n this.renderPass = new RenderPass(scene, camera, new MeshNormalMaterial());\n const renderPass = this.renderPass;\n renderPass.ignoreBackground = true;\n renderPass.skipShadowMapUpdate = true;\n const clearPass = renderPass.getClearPass();\n clearPass.overrideClearColor = new Color3(7829503);\n clearPass.overrideClearAlpha = 1;\n this.renderTarget = renderTarget;\n if (this.renderTarget === void 0) {\n this.renderTarget = new WebGLRenderTarget12(1, 1, {\n minFilter: NearestFilter5,\n magFilter: NearestFilter5\n });\n this.renderTarget.texture.name = \"NormalPass.Target\";\n }\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n set mainScene(value) {\n this.renderPass.mainScene = value;\n }\n set mainCamera(value) {\n this.renderPass.mainCamera = value;\n }\n get texture() {\n return this.renderTarget.texture;\n }\n getTexture() {\n return this.renderTarget.texture;\n }\n getResolution() {\n return this.resolution;\n }\n getResolutionScale() {\n return this.resolution.scale;\n }\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const renderTarget = this.renderToScreen ? null : this.renderTarget;\n this.renderPass.render(renderer, renderTarget, renderTarget);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n }\n};\n\n// src/passes/ShaderPass.js\nimport { UnsignedByteType as UnsignedByteType11 } from \"three\";\nvar ShaderPass = class extends Pass {\n constructor(material, input = \"inputBuffer\") {\n super(\"ShaderPass\");\n this.fullscreenMaterial = material;\n this.input = input;\n }\n setInput(input) {\n this.input = input;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const uniforms = this.fullscreenMaterial.uniforms;\n if (inputBuffer !== null && uniforms !== void 0 && uniforms[this.input] !== void 0) {\n uniforms[this.input].value = inputBuffer.texture;\n }\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(this.scene, this.camera);\n }\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0 && frameBufferType !== UnsignedByteType11) {\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n }\n }\n};\n\n// src/passes/TiltShiftBlurPass.js\nvar TiltShiftBlurPass = class extends KawaseBlurPass {\n constructor({\n offset = 0,\n rotation = 0,\n focusArea = 0.4,\n feather = 0.3,\n kernelSize = KernelSize.MEDIUM,\n resolutionScale = 0.5,\n resolutionX = Resolution.AUTO_SIZE,\n resolutionY = Resolution.AUTO_SIZE\n } = {}) {\n super({ kernelSize, resolutionScale, resolutionX, resolutionY });\n this.blurMaterial = new TiltShiftBlurMaterial({ kernelSize, offset, rotation, focusArea, feather });\n }\n};\n\n// src/core/Timer.js\nvar MILLISECONDS_TO_SECONDS = 1 / 1e3;\nvar SECONDS_TO_MILLISECONDS = 1e3;\nvar Timer = class {\n constructor() {\n this.previousTime = 0;\n this.currentTime = 0;\n this.delta = 0;\n this.fixedDelta = 1e3 / 60;\n this.elapsed = 0;\n this.timescale = 1;\n this.fixedDeltaEnabled = false;\n this.autoReset = false;\n }\n setFixedDeltaEnabled(enabled) {\n this.fixedDeltaEnabled = enabled;\n return this;\n }\n isAutoResetEnabled(enabled) {\n return this.autoReset;\n }\n setAutoResetEnabled(enabled) {\n if (typeof document !== \"undefined\" && document.hidden !== void 0) {\n if (enabled) {\n document.addEventListener(\"visibilitychange\", this);\n } else {\n document.removeEventListener(\"visibilitychange\", this);\n }\n this.autoReset = enabled;\n }\n return this;\n }\n getDelta() {\n return this.delta * MILLISECONDS_TO_SECONDS;\n }\n getFixedDelta() {\n return this.fixedDelta * MILLISECONDS_TO_SECONDS;\n }\n setFixedDelta(fixedDelta) {\n this.fixedDelta = fixedDelta * SECONDS_TO_MILLISECONDS;\n return this;\n }\n getElapsed() {\n return this.elapsed * MILLISECONDS_TO_SECONDS;\n }\n getTimescale() {\n return this.timescale;\n }\n setTimescale(timescale) {\n this.timescale = timescale;\n return this;\n }\n update(timestamp) {\n if (this.fixedDeltaEnabled) {\n this.delta = this.fixedDelta;\n } else {\n this.previousTime = this.currentTime;\n this.currentTime = timestamp !== void 0 ? timestamp : performance.now();\n this.delta = this.currentTime - this.previousTime;\n }\n this.delta *= this.timescale;\n this.elapsed += this.delta;\n return this;\n }\n reset() {\n this.delta = 0;\n this.elapsed = 0;\n this.currentTime = performance.now();\n return this;\n }\n handleEvent(event) {\n if (!document.hidden) {\n this.currentTime = performance.now();\n }\n }\n dispose() {\n this.setAutoResetEnabled(false);\n }\n};\n\n// src/core/EffectComposer.js\nvar EffectComposer = class {\n constructor(renderer = null, {\n depthBuffer = true,\n stencilBuffer = false,\n multisampling = 0,\n frameBufferType\n } = {}) {\n this.renderer = null;\n this.inputBuffer = this.createBuffer(depthBuffer, stencilBuffer, frameBufferType, multisampling);\n this.outputBuffer = this.inputBuffer.clone();\n this.copyPass = new CopyPass();\n this.depthTexture = null;\n this.passes = [];\n this.timer = new Timer();\n this.autoRenderToScreen = true;\n this.setRenderer(renderer);\n }\n get multisampling() {\n return this.inputBuffer.samples || 0;\n }\n set multisampling(value) {\n const buffer = this.inputBuffer;\n const multisampling = this.multisampling;\n if (multisampling > 0 && value > 0) {\n this.inputBuffer.samples = value;\n this.outputBuffer.samples = value;\n this.inputBuffer.dispose();\n this.outputBuffer.dispose();\n } else if (multisampling !== value) {\n this.inputBuffer.dispose();\n this.outputBuffer.dispose();\n this.inputBuffer = this.createBuffer(\n buffer.depthBuffer,\n buffer.stencilBuffer,\n buffer.texture.type,\n value\n );\n this.inputBuffer.depthTexture = this.depthTexture;\n this.outputBuffer = this.inputBuffer.clone();\n }\n }\n getTimer() {\n return this.timer;\n }\n getRenderer() {\n return this.renderer;\n }\n setRenderer(renderer) {\n this.renderer = renderer;\n if (renderer !== null) {\n const size = renderer.getSize(new Vector217());\n const alpha = renderer.getContext().getContextAttributes().alpha;\n const frameBufferType = this.inputBuffer.texture.type;\n if (frameBufferType === UnsignedByteType12 && renderer.outputEncoding === sRGBEncoding8) {\n this.inputBuffer.texture.encoding = sRGBEncoding8;\n this.outputBuffer.texture.encoding = sRGBEncoding8;\n this.inputBuffer.dispose();\n this.outputBuffer.dispose();\n }\n renderer.autoClear = false;\n this.setSize(size.width, size.height);\n for (const pass of this.passes) {\n pass.initialize(renderer, alpha, frameBufferType);\n }\n }\n }\n replaceRenderer(renderer, updateDOM = true) {\n const oldRenderer = this.renderer;\n const parent = oldRenderer.domElement.parentNode;\n this.setRenderer(renderer);\n if (updateDOM && parent !== null) {\n parent.removeChild(oldRenderer.domElement);\n parent.appendChild(renderer.domElement);\n }\n return oldRenderer;\n }\n createDepthTexture() {\n const depthTexture = this.depthTexture = new DepthTexture();\n this.inputBuffer.depthTexture = depthTexture;\n this.inputBuffer.dispose();\n if (this.inputBuffer.stencilBuffer) {\n depthTexture.format = DepthStencilFormat;\n depthTexture.type = UnsignedInt248Type;\n } else {\n depthTexture.type = UnsignedIntType;\n }\n return depthTexture;\n }\n deleteDepthTexture() {\n if (this.depthTexture !== null) {\n this.depthTexture.dispose();\n this.depthTexture = null;\n this.inputBuffer.depthTexture = null;\n this.inputBuffer.dispose();\n for (const pass of this.passes) {\n pass.setDepthTexture(null);\n }\n }\n }\n createBuffer(depthBuffer, stencilBuffer, type, multisampling) {\n const renderer = this.renderer;\n const size = renderer === null ? new Vector217() : renderer.getDrawingBufferSize(new Vector217());\n const options = {\n minFilter: LinearFilter2,\n magFilter: LinearFilter2,\n stencilBuffer,\n depthBuffer,\n type\n };\n let renderTarget;\n if (multisampling > 0) {\n renderTarget = Number(REVISION6.replace(/\\D+/g, \"\")) < 138 ? new WebGLMultisampleRenderTarget(size.width, size.height, options) : new WebGLRenderTarget13(size.width, size.height, options);\n renderTarget.ignoreDepthForMultisampleCopy = false;\n renderTarget.samples = multisampling;\n } else {\n renderTarget = new WebGLRenderTarget13(size.width, size.height, options);\n }\n if (type === UnsignedByteType12 && renderer !== null && renderer.outputEncoding === sRGBEncoding8) {\n renderTarget.texture.encoding = sRGBEncoding8;\n }\n renderTarget.texture.name = \"EffectComposer.Buffer\";\n renderTarget.texture.generateMipmaps = false;\n return renderTarget;\n }\n setMainScene(scene) {\n for (const pass of this.passes) {\n pass.mainScene = scene;\n }\n }\n setMainCamera(camera) {\n for (const pass of this.passes) {\n pass.mainCamera = camera;\n }\n }\n addPass(pass, index) {\n const passes = this.passes;\n const renderer = this.renderer;\n const drawingBufferSize = renderer.getDrawingBufferSize(new Vector217());\n const alpha = renderer.getContext().getContextAttributes().alpha;\n const frameBufferType = this.inputBuffer.texture.type;\n pass.setRenderer(renderer);\n pass.setSize(drawingBufferSize.width, drawingBufferSize.height);\n pass.initialize(renderer, alpha, frameBufferType);\n if (this.autoRenderToScreen) {\n if (passes.length > 0) {\n passes[passes.length - 1].renderToScreen = false;\n }\n if (pass.renderToScreen) {\n this.autoRenderToScreen = false;\n }\n }\n if (index !== void 0) {\n passes.splice(index, 0, pass);\n } else {\n passes.push(pass);\n }\n if (this.autoRenderToScreen) {\n passes[passes.length - 1].renderToScreen = true;\n }\n if (pass.needsDepthTexture || this.depthTexture !== null) {\n if (this.depthTexture === null) {\n const depthTexture = this.createDepthTexture();\n for (pass of passes) {\n pass.setDepthTexture(depthTexture);\n }\n } else {\n pass.setDepthTexture(this.depthTexture);\n }\n }\n }\n removePass(pass) {\n const passes = this.passes;\n const index = passes.indexOf(pass);\n const exists = index !== -1;\n const removed = exists && passes.splice(index, 1).length > 0;\n if (removed) {\n if (this.depthTexture !== null) {\n const reducer = (a, b) => a || b.needsDepthTexture;\n const depthTextureRequired = passes.reduce(reducer, false);\n if (!depthTextureRequired) {\n if (pass.getDepthTexture() === this.depthTexture) {\n pass.setDepthTexture(null);\n }\n this.deleteDepthTexture();\n }\n }\n if (this.autoRenderToScreen) {\n if (index === passes.length) {\n pass.renderToScreen = false;\n if (passes.length > 0) {\n passes[passes.length - 1].renderToScreen = true;\n }\n }\n }\n }\n }\n removeAllPasses() {\n const passes = this.passes;\n this.deleteDepthTexture();\n if (passes.length > 0) {\n if (this.autoRenderToScreen) {\n passes[passes.length - 1].renderToScreen = false;\n }\n this.passes = [];\n }\n }\n render(deltaTime) {\n const renderer = this.renderer;\n const copyPass = this.copyPass;\n let inputBuffer = this.inputBuffer;\n let outputBuffer = this.outputBuffer;\n let stencilTest = false;\n let context, stencil, buffer;\n if (deltaTime === void 0) {\n deltaTime = this.timer.update().getDelta();\n }\n for (const pass of this.passes) {\n if (pass.enabled) {\n pass.render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest);\n if (pass.needsSwap) {\n if (stencilTest) {\n copyPass.renderToScreen = pass.renderToScreen;\n context = renderer.getContext();\n stencil = renderer.state.buffers.stencil;\n stencil.setFunc(context.NOTEQUAL, 1, 4294967295);\n copyPass.render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest);\n stencil.setFunc(context.EQUAL, 1, 4294967295);\n }\n buffer = inputBuffer;\n inputBuffer = outputBuffer;\n outputBuffer = buffer;\n }\n if (pass instanceof MaskPass) {\n stencilTest = true;\n } else if (pass instanceof ClearMaskPass) {\n stencilTest = false;\n }\n }\n }\n }\n setSize(width, height, updateStyle) {\n const renderer = this.renderer;\n const currentSize = renderer.getSize(new Vector217());\n if (width === void 0 || height === void 0) {\n width = currentSize.width;\n height = currentSize.height;\n }\n if (currentSize.width !== width || currentSize.height !== height) {\n renderer.setSize(width, height, updateStyle);\n }\n const drawingBufferSize = renderer.getDrawingBufferSize(new Vector217());\n this.inputBuffer.setSize(drawingBufferSize.width, drawingBufferSize.height);\n this.outputBuffer.setSize(drawingBufferSize.width, drawingBufferSize.height);\n for (const pass of this.passes) {\n pass.setSize(drawingBufferSize.width, drawingBufferSize.height);\n }\n }\n reset() {\n const autoReset = this.timer.isAutoResetEnabled();\n this.dispose();\n this.autoRenderToScreen = true;\n this.timer.setAutoResetEnabled(autoReset);\n }\n dispose() {\n for (const pass of this.passes) {\n pass.dispose();\n }\n this.passes = [];\n if (this.inputBuffer !== null) {\n this.inputBuffer.dispose();\n }\n if (this.outputBuffer !== null) {\n this.outputBuffer.dispose();\n }\n this.deleteDepthTexture();\n this.copyPass.dispose();\n this.timer.dispose();\n }\n};\n\n// src/core/EffectShaderData.js\nimport { LinearEncoding as LinearEncoding2 } from \"three\";\nvar EffectShaderData = class {\n constructor() {\n this.shaderParts = /* @__PURE__ */ new Map([\n [EffectShaderSection.FRAGMENT_HEAD, null],\n [EffectShaderSection.FRAGMENT_MAIN_UV, null],\n [EffectShaderSection.FRAGMENT_MAIN_IMAGE, null],\n [EffectShaderSection.VERTEX_HEAD, null],\n [EffectShaderSection.VERTEX_MAIN_SUPPORT, null]\n ]);\n this.defines = /* @__PURE__ */ new Map();\n this.uniforms = /* @__PURE__ */ new Map();\n this.blendModes = /* @__PURE__ */ new Map();\n this.extensions = /* @__PURE__ */ new Set();\n this.attributes = EffectAttribute.NONE;\n this.varyings = /* @__PURE__ */ new Set();\n this.uvTransformation = false;\n this.readDepth = false;\n this.colorSpace = LinearEncoding2;\n }\n};\n\n// src/core/GaussKernel.js\nfunction getCoefficients(n) {\n let result;\n if (n === 0) {\n result = new Float64Array(0);\n } else if (n === 1) {\n result = new Float64Array([1]);\n } else if (n > 1) {\n let row0 = new Float64Array(n);\n let row1 = new Float64Array(n);\n for (let y = 1; y <= n; ++y) {\n for (let x = 0; x < y; ++x) {\n row1[x] = x === 0 || x === y - 1 ? 1 : row0[x - 1] + row0[x];\n }\n result = row1;\n row1 = row0;\n row0 = result;\n }\n }\n return result;\n}\nvar GaussKernel = class {\n constructor(kernelSize, edgeBias = 2) {\n this.weights = null;\n this.offsets = null;\n this.linearWeights = null;\n this.linearOffsets = null;\n this.generate(kernelSize, edgeBias);\n }\n get steps() {\n return this.offsets === null ? 0 : this.offsets.length;\n }\n get linearSteps() {\n return this.linearOffsets === null ? 0 : this.linearOffsets.length;\n }\n generate(kernelSize, edgeBias) {\n if (kernelSize < 3 || kernelSize > 1020) {\n throw new Error(\"The kernel size must be in the range [3, 1020]\");\n }\n const n = kernelSize + edgeBias * 2;\n const coefficients = edgeBias > 0 ? getCoefficients(n).slice(edgeBias, -edgeBias) : getCoefficients(n);\n const mid = Math.floor((coefficients.length - 1) / 2);\n const sum = coefficients.reduce((a, b) => a + b, 0);\n const weights = coefficients.slice(mid);\n const offsets = [...Array(mid + 1).keys()];\n const linearWeights = new Float64Array(Math.floor(offsets.length / 2));\n const linearOffsets = new Float64Array(linearWeights.length);\n linearWeights[0] = weights[0] / sum;\n for (let i = 1, j = 1, l = offsets.length - 1; i < l; i += 2, ++j) {\n const offset0 = offsets[i], offset1 = offsets[i + 1];\n const weight0 = weights[i], weight1 = weights[i + 1];\n const w = weight0 + weight1;\n const o = (offset0 * weight0 + offset1 * weight1) / w;\n linearWeights[j] = w / sum;\n linearOffsets[j] = o;\n }\n for (let i = 0, l = weights.length, s = 1 / sum; i < l; ++i) {\n weights[i] *= s;\n }\n const linearWeightSum = (linearWeights.reduce((a, b) => a + b, 0) - linearWeights[0] * 0.5) * 2;\n if (linearWeightSum !== 0) {\n for (let i = 0, l = linearWeights.length, s = 1 / linearWeightSum; i < l; ++i) {\n linearWeights[i] *= s;\n }\n }\n this.offsets = offsets;\n this.weights = weights;\n this.linearOffsets = linearOffsets;\n this.linearWeights = linearWeights;\n }\n};\n\n// src/core/Initializable.js\nvar Initializable = class {\n initialize(renderer, alpha, frameBufferType) {\n }\n};\n\n// src/core/Resizable.js\nvar Resizable = class {\n setSize(width, height) {\n }\n};\n\n// src/core/Selection.js\nvar Selection = class extends Set {\n constructor(iterable, layer = 10) {\n super();\n this.l = layer;\n this.exclusive = false;\n if (iterable !== void 0) {\n this.set(iterable);\n }\n }\n get layer() {\n return this.l;\n }\n set layer(value) {\n const currentLayer = this.l;\n for (const object of this) {\n object.layers.disable(currentLayer);\n object.layers.enable(value);\n }\n this.l = value;\n }\n getLayer() {\n return this.layer;\n }\n setLayer(value) {\n this.layer = value;\n }\n isExclusive() {\n return this.exclusive;\n }\n setExclusive(value) {\n this.exclusive = value;\n }\n clear() {\n const layer = this.layer;\n for (const object of this) {\n object.layers.disable(layer);\n }\n return super.clear();\n }\n set(objects) {\n this.clear();\n for (const object of objects) {\n this.add(object);\n }\n return this;\n }\n indexOf(object) {\n return this.has(object) ? 0 : -1;\n }\n add(object) {\n if (this.exclusive) {\n object.layers.set(this.layer);\n } else {\n object.layers.enable(this.layer);\n }\n return super.add(object);\n }\n delete(object) {\n if (this.has(object)) {\n object.layers.disable(this.layer);\n }\n return super.delete(object);\n }\n toggle(object) {\n let result;\n if (this.has(object)) {\n this.delete(object);\n result = false;\n } else {\n this.add(object);\n result = true;\n }\n return result;\n }\n setVisible(visible) {\n for (const object of this) {\n if (visible) {\n object.layers.enable(0);\n } else {\n object.layers.disable(0);\n }\n }\n return this;\n }\n};\n\n// src/effects/blending/BlendMode.js\nimport { EventDispatcher as EventDispatcher2, Uniform as Uniform23 } from \"three\";\n\n// src/effects/blending/glsl/add.frag\nvar add_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x+y,opacity);}\";\n\n// src/effects/blending/glsl/alpha.frag\nvar alpha_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y,min(y.a,opacity));}\";\n\n// src/effects/blending/glsl/average.frag\nvar average_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,(x+y)*0.5,opacity);}\";\n\n// src/effects/blending/glsl/color.frag\nvar color_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(yHSL.rg,xHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}\";\n\n// src/effects/blending/glsl/color-burn.frag\nvar color_burn_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(step(0.0,y)*(1.0-min(vec4(1.0),(1.0-x)/y)),vec4(1.0),step(1.0,x));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/color-dodge.frag\nvar color_dodge_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=step(0.0,x)*mix(min(vec4(1.0),x/max(1.0-y,1e-9)),vec4(1.0),step(1.0,y));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/darken.frag\nvar darken_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,min(x,y),opacity);}\";\n\n// src/effects/blending/glsl/difference.frag\nvar difference_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,abs(x-y),opacity);}\";\n\n// src/effects/blending/glsl/divide.frag\nvar divide_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x/max(y,1e-12),opacity);}\";\n\n// src/effects/blending/glsl/exclusion.frag\nvar exclusion_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,(x+y-2.0*x*y),opacity);}\";\n\n// src/effects/blending/glsl/hard-light.frag\nvar hard_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 a=min(x,1.0),b=min(y,1.0);vec4 z=mix(2.0*a*b,1.0-2.0*(1.0-a)*(1.0-b),step(0.5,y));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/hard-mix.frag\nvar hard_mix_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,step(1.0,x+y),opacity);}\";\n\n// src/effects/blending/glsl/hue.frag\nvar hue_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(yHSL.r,xHSL.gb));return vec4(mix(x.rgb,z,opacity),y.a);}\";\n\n// src/effects/blending/glsl/invert.frag\nvar invert_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,1.0-y,opacity);}\";\n\n// src/effects/blending/glsl/invert-rgb.frag\nvar invert_rgb_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y*(1.0-x),opacity);}\";\n\n// src/effects/blending/glsl/lighten.frag\nvar lighten_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,max(x,y),opacity);}\";\n\n// src/effects/blending/glsl/linear-burn.frag\nvar linear_burn_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,clamp(y+x-1.0,0.0,1.0),opacity);}\";\n\n// src/effects/blending/glsl/linear-dodge.frag\nvar linear_dodge_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,min(x+y,1.0),opacity);}\";\n\n// src/effects/blending/glsl/linear-light.frag\nvar linear_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,clamp(2.0*y+x-1.0,0.0,1.0),opacity);}\";\n\n// src/effects/blending/glsl/luminosity.frag\nvar luminosity_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(xHSL.rg,yHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}\";\n\n// src/effects/blending/glsl/multiply.frag\nvar multiply_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x*y,opacity);}\";\n\n// src/effects/blending/glsl/negation.frag\nvar negation_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,1.0-abs(1.0-x-y),opacity);}\";\n\n// src/effects/blending/glsl/normal.frag\nvar normal_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y,opacity);}\";\n\n// src/effects/blending/glsl/overlay.frag\nvar overlay_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(2.0*y*x,1.0-2.0*(1.0-y)*(1.0-x),step(0.5,x));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/pin-light.frag\nvar pin_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 y2=2.0*y;vec4 z=mix(mix(y2,x,step(0.5*x,y)),max(vec4(0.0),y2-1.0),step(x,(y2-1.0)));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/reflect.frag\nvar reflect_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(min(x*x/max(1.0-y,1e-12),1.0),y,step(1.0,y));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/saturation.frag\nvar saturation_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(xHSL.r,yHSL.g,xHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}\";\n\n// src/effects/blending/glsl/screen.frag\nvar screen_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x+y-min(x*y,1.0),opacity);}\";\n\n// src/effects/blending/glsl/soft-light.frag\nvar soft_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 y2=2.0*y;vec4 w=step(0.5,y);vec4 z=mix(x-(1.0-y2)*x*(1.0-x),mix(x+(y2-1.0)*(sqrt(x)-x),x+(y2-1.0)*x*((16.0*x-12.0)*x+3.0),w*(1.0-step(0.25,x))),w);return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/src.frag\nvar src_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return y;}\";\n\n// src/effects/blending/glsl/subtract.frag\nvar subtract_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,max(x+y-1.0,0.0),opacity);}\";\n\n// src/effects/blending/glsl/vivid-light.frag\nvar vivid_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(max(1.0-min((1.0-x)/(2.0*y),1.0),0.0),min(x/(2.0*(1.0-y)),1.0),step(0.5,y));return mix(x,z,opacity);}\";\n\n// src/effects/blending/BlendMode.js\nvar blendFunctions = /* @__PURE__ */ new Map([\n [BlendFunction.ADD, add_default],\n [BlendFunction.ALPHA, alpha_default],\n [BlendFunction.AVERAGE, average_default],\n [BlendFunction.COLOR, color_default],\n [BlendFunction.COLOR_BURN, color_burn_default],\n [BlendFunction.COLOR_DODGE, color_dodge_default],\n [BlendFunction.DARKEN, darken_default],\n [BlendFunction.DIFFERENCE, difference_default],\n [BlendFunction.DIVIDE, divide_default],\n [BlendFunction.DST, null],\n [BlendFunction.EXCLUSION, exclusion_default],\n [BlendFunction.HARD_LIGHT, hard_light_default],\n [BlendFunction.HARD_MIX, hard_mix_default],\n [BlendFunction.HUE, hue_default],\n [BlendFunction.INVERT, invert_default],\n [BlendFunction.INVERT_RGB, invert_rgb_default],\n [BlendFunction.LIGHTEN, lighten_default],\n [BlendFunction.LINEAR_BURN, linear_burn_default],\n [BlendFunction.LINEAR_DODGE, linear_dodge_default],\n [BlendFunction.LINEAR_LIGHT, linear_light_default],\n [BlendFunction.LUMINOSITY, luminosity_default],\n [BlendFunction.MULTIPLY, multiply_default],\n [BlendFunction.NEGATION, negation_default],\n [BlendFunction.NORMAL, normal_default],\n [BlendFunction.OVERLAY, overlay_default],\n [BlendFunction.PIN_LIGHT, pin_light_default],\n [BlendFunction.REFLECT, reflect_default],\n [BlendFunction.SATURATION, saturation_default],\n [BlendFunction.SCREEN, screen_default],\n [BlendFunction.SOFT_LIGHT, soft_light_default],\n [BlendFunction.SRC, src_default],\n [BlendFunction.SUBTRACT, subtract_default],\n [BlendFunction.VIVID_LIGHT, vivid_light_default]\n]);\nvar BlendMode = class extends EventDispatcher2 {\n constructor(blendFunction, opacity = 1) {\n super();\n this._blendFunction = blendFunction;\n this.opacity = new Uniform23(opacity);\n }\n getOpacity() {\n return this.opacity.value;\n }\n setOpacity(value) {\n this.opacity.value = value;\n }\n get blendFunction() {\n return this._blendFunction;\n }\n set blendFunction(value) {\n this._blendFunction = value;\n this.dispatchEvent({ type: \"change\" });\n }\n getBlendFunction() {\n return this.blendFunction;\n }\n setBlendFunction(value) {\n this.blendFunction = value;\n }\n getShaderCode() {\n return blendFunctions.get(this.blendFunction);\n }\n};\n\n// src/effects/BloomEffect.js\nimport { sRGBEncoding as sRGBEncoding9, Uniform as Uniform24, WebGLRenderTarget as WebGLRenderTarget15 } from \"three\";\n\n// src/effects/Effect.js\nimport { BasicDepthPacking as BasicDepthPacking13, EventDispatcher as EventDispatcher3, LinearEncoding as LinearEncoding3, Material as Material2, Texture as Texture2, WebGLRenderTarget as WebGLRenderTarget14 } from \"three\";\nvar Effect = class extends EventDispatcher3 {\n constructor(name, fragmentShader, {\n attributes = EffectAttribute.NONE,\n blendFunction = BlendFunction.NORMAL,\n defines = /* @__PURE__ */ new Map(),\n uniforms = /* @__PURE__ */ new Map(),\n extensions = null,\n vertexShader = null\n } = {}) {\n super();\n this.name = name;\n this.renderer = null;\n this.attributes = attributes;\n this.fragmentShader = fragmentShader;\n this.vertexShader = vertexShader;\n this.defines = defines;\n this.uniforms = uniforms;\n this.extensions = extensions;\n this.blendMode = new BlendMode(blendFunction);\n this.blendMode.addEventListener(\"change\", (event) => this.setChanged());\n this._inputColorSpace = LinearEncoding3;\n this._outputColorSpace = null;\n }\n get inputColorSpace() {\n return this._inputColorSpace;\n }\n set inputColorSpace(value) {\n this._inputColorSpace = value;\n this.setChanged();\n }\n get outputColorSpace() {\n return this._outputColorSpace;\n }\n set outputColorSpace(value) {\n this._outputColorSpace = value;\n this.setChanged();\n }\n set mainScene(value) {\n }\n set mainCamera(value) {\n }\n getName() {\n return this.name;\n }\n setRenderer(renderer) {\n this.renderer = renderer;\n }\n getDefines() {\n return this.defines;\n }\n getUniforms() {\n return this.uniforms;\n }\n getExtensions() {\n return this.extensions;\n }\n getBlendMode() {\n return this.blendMode;\n }\n getAttributes() {\n return this.attributes;\n }\n setAttributes(attributes) {\n this.attributes = attributes;\n this.setChanged();\n }\n getFragmentShader() {\n return this.fragmentShader;\n }\n setFragmentShader(fragmentShader) {\n this.fragmentShader = fragmentShader;\n this.setChanged();\n }\n getVertexShader() {\n return this.vertexShader;\n }\n setVertexShader(vertexShader) {\n this.vertexShader = vertexShader;\n this.setChanged();\n }\n setChanged() {\n this.dispatchEvent({ type: \"change\" });\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking13) {\n }\n update(renderer, inputBuffer, deltaTime) {\n }\n setSize(width, height) {\n }\n initialize(renderer, alpha, frameBufferType) {\n }\n dispose() {\n for (const key of Object.keys(this)) {\n const property = this[key];\n const isDisposable = property instanceof WebGLRenderTarget14 || property instanceof Material2 || property instanceof Texture2 || property instanceof Pass;\n if (isDisposable) {\n this[key].dispose();\n }\n }\n }\n};\n\n// src/effects/glsl/bloom.frag\nvar bloom_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nuniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=texture2D(map,uv)*intensity;}\";\n\n// src/effects/BloomEffect.js\nvar BloomEffect = class extends Effect {\n constructor({\n blendFunction = BlendFunction.SCREEN,\n luminanceThreshold = 0.9,\n luminanceSmoothing = 0.025,\n mipmapBlur = false,\n intensity = 1,\n radius = 0.85,\n levels = 8,\n kernelSize = KernelSize.LARGE,\n resolutionScale = 0.5,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"BloomEffect\", bloom_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"map\", new Uniform24(null)],\n [\"intensity\", new Uniform24(intensity)]\n ])\n });\n this.renderTarget = new WebGLRenderTarget15(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"Bloom.Target\";\n this.blurPass = new KawaseBlurPass({ kernelSize });\n this.luminancePass = new LuminancePass({ colorOutput: true });\n this.luminanceMaterial.threshold = luminanceThreshold;\n this.luminanceMaterial.smoothing = luminanceSmoothing;\n this.mipmapBlurPass = new MipmapBlurPass();\n this.mipmapBlurPass.enabled = mipmapBlur;\n this.mipmapBlurPass.radius = radius;\n this.mipmapBlurPass.levels = levels;\n this.uniforms.get(\"map\").value = mipmapBlur ? this.mipmapBlurPass.texture : this.renderTarget.texture;\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n get texture() {\n return this.mipmapBlurPass.enabled ? this.mipmapBlurPass.texture : this.renderTarget.texture;\n }\n getTexture() {\n return this.texture;\n }\n getResolution() {\n return this.resolution;\n }\n getBlurPass() {\n return this.blurPass;\n }\n getLuminancePass() {\n return this.luminancePass;\n }\n get luminanceMaterial() {\n return this.luminancePass.fullscreenMaterial;\n }\n getLuminanceMaterial() {\n return this.luminancePass.fullscreenMaterial;\n }\n get width() {\n return this.resolution.width;\n }\n set width(value) {\n this.resolution.preferredWidth = value;\n }\n get height() {\n return this.resolution.height;\n }\n set height(value) {\n this.resolution.preferredHeight = value;\n }\n get dithering() {\n return this.blurPass.dithering;\n }\n set dithering(value) {\n this.blurPass.dithering = value;\n }\n get kernelSize() {\n return this.blurPass.kernelSize;\n }\n set kernelSize(value) {\n this.blurPass.kernelSize = value;\n }\n get distinction() {\n console.warn(this.name, \"distinction was removed\");\n return 1;\n }\n set distinction(value) {\n console.warn(this.name, \"distinction was removed\");\n }\n get intensity() {\n return this.uniforms.get(\"intensity\").value;\n }\n set intensity(value) {\n this.uniforms.get(\"intensity\").value = value;\n }\n getIntensity() {\n return this.intensity;\n }\n setIntensity(value) {\n this.intensity = value;\n }\n getResolutionScale() {\n return this.resolution.scale;\n }\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n update(renderer, inputBuffer, deltaTime) {\n const renderTarget = this.renderTarget;\n const luminancePass = this.luminancePass;\n if (luminancePass.enabled) {\n luminancePass.render(renderer, inputBuffer);\n if (this.mipmapBlurPass.enabled) {\n this.mipmapBlurPass.render(renderer, luminancePass.renderTarget);\n } else {\n this.blurPass.render(renderer, luminancePass.renderTarget, renderTarget);\n }\n } else {\n if (this.mipmapBlurPass.enabled) {\n this.mipmapBlurPass.render(renderer, inputBuffer);\n } else {\n this.blurPass.render(renderer, inputBuffer, renderTarget);\n }\n }\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n this.blurPass.resolution.copy(resolution);\n this.luminancePass.setSize(width, height);\n this.mipmapBlurPass.setSize(width, height);\n }\n initialize(renderer, alpha, frameBufferType) {\n this.blurPass.initialize(renderer, alpha, frameBufferType);\n this.luminancePass.initialize(renderer, alpha, frameBufferType);\n this.mipmapBlurPass.initialize(renderer, alpha, frameBufferType);\n if (frameBufferType !== void 0) {\n this.renderTarget.texture.type = frameBufferType;\n if (renderer.outputEncoding === sRGBEncoding9) {\n this.renderTarget.texture.encoding = sRGBEncoding9;\n }\n }\n }\n};\n\n// src/effects/BokehEffect.js\nimport { Uniform as Uniform25 } from \"three\";\n\n// src/effects/glsl/bokeh.frag\nvar bokeh_default = \"uniform float focus;uniform float dof;uniform float aperture;uniform float maxBlur;void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){vec2 aspectCorrection=vec2(1.0,aspect);\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(depth,cameraNear,cameraFar);float linearDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearDepth=depth;\\n#endif\\nfloat focusNear=clamp(focus-dof,0.0,1.0);float focusFar=clamp(focus+dof,0.0,1.0);float low=step(linearDepth,focusNear);float high=step(focusFar,linearDepth);float factor=(linearDepth-focusNear)*low+(linearDepth-focusFar)*high;vec2 dofBlur=vec2(clamp(factor*aperture,-maxBlur,maxBlur));vec2 dofblur9=dofBlur*0.9;vec2 dofblur7=dofBlur*0.7;vec2 dofblur4=dofBlur*0.4;vec4 color=inputColor;color+=texture2D(inputBuffer,uv+(vec2(0.0,0.4)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.15,0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.29,0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.37,0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.40,0.0)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.37,-0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.29,-0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.15,-0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.0,-0.4)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.15,0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.29,0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.37,0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.4,0.0)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.37,-0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.29,-0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.15,-0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.15,0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.37,0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.37,-0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.15,-0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.15,0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.37,0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.37,-0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.15,-0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.29,0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.40,0.0)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.29,-0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.0,-0.4)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(-0.29,0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(-0.4,0.0)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(-0.29,-0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.0,0.4)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.29,0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.4,0.0)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.29,-0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.0,-0.4)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(-0.29,0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(-0.4,0.0)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(-0.29,-0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.0,0.4)*aspectCorrection)*dofblur4);outputColor=color/41.0;}\";\n\n// src/effects/BokehEffect.js\nvar BokehEffect = class extends Effect {\n constructor({\n blendFunction,\n focus = 0.5,\n dof = 0.02,\n aperture = 0.015,\n maxBlur = 1\n } = {}) {\n super(\"BokehEffect\", bokeh_default, {\n blendFunction,\n attributes: EffectAttribute.CONVOLUTION | EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"focus\", new Uniform25(focus)],\n [\"dof\", new Uniform25(dof)],\n [\"aperture\", new Uniform25(aperture)],\n [\"maxBlur\", new Uniform25(maxBlur)]\n ])\n });\n }\n};\n\n// src/effects/BrightnessContrastEffect.js\nimport { sRGBEncoding as sRGBEncoding10, Uniform as Uniform26 } from \"three\";\n\n// src/effects/glsl/brightness-contrast.frag\nvar brightness_contrast_default = \"uniform float brightness;uniform float contrast;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=inputColor.rgb+vec3(brightness-0.5);if(contrast>0.0){color/=vec3(1.0-contrast);}else{color*=vec3(1.0+contrast);}outputColor=vec4(color+vec3(0.5),inputColor.a);}\";\n\n// src/effects/BrightnessContrastEffect.js\nvar BrightnessContrastEffect = class extends Effect {\n constructor({ blendFunction = BlendFunction.SRC, brightness = 0, contrast = 0 } = {}) {\n super(\"BrightnessContrastEffect\", brightness_contrast_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"brightness\", new Uniform26(brightness)],\n [\"contrast\", new Uniform26(contrast)]\n ])\n });\n this.inputColorSpace = sRGBEncoding10;\n }\n get brightness() {\n return this.uniforms.get(\"brightness\").value;\n }\n set brightness(value) {\n this.uniforms.get(\"brightness\").value = value;\n }\n getBrightness(value) {\n return this.brightness;\n }\n setBrightness(value) {\n this.brightness = value;\n }\n get contrast() {\n return this.uniforms.get(\"contrast\").value;\n }\n set contrast(value) {\n this.uniforms.get(\"contrast\").value = value;\n }\n getContrast(value) {\n return this.contrast;\n }\n setContrast(value) {\n this.contrast = value;\n }\n};\n\n// src/effects/glsl/color-average.frag\nvar color_average_default = \"void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=vec4(vec3(average(inputColor.rgb)),inputColor.a);}\";\n\n// src/effects/ColorAverageEffect.js\nvar ColorAverageEffect = class extends Effect {\n constructor(blendFunction) {\n super(\"ColorAverageEffect\", color_average_default, { blendFunction });\n }\n};\n\n// src/effects/ColorDepthEffect.js\nimport { Uniform as Uniform27 } from \"three\";\n\n// src/effects/glsl/color-depth.frag\nvar color_depth_default = \"uniform float factor;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=vec4(floor(inputColor.rgb*factor+0.5)/factor,inputColor.a);}\";\n\n// src/effects/ColorDepthEffect.js\nvar ColorDepthEffect = class extends Effect {\n constructor({ blendFunction, bits = 16 } = {}) {\n super(\"ColorDepthEffect\", color_depth_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"factor\", new Uniform27(1)]\n ])\n });\n this.bits = 0;\n this.bitDepth = bits;\n }\n get bitDepth() {\n return this.bits;\n }\n set bitDepth(value) {\n this.bits = value;\n this.uniforms.get(\"factor\").value = Math.pow(2, value / 3);\n }\n getBitDepth() {\n return this.bitDepth;\n }\n setBitDepth(value) {\n this.bitDepth = value;\n }\n};\n\n// src/effects/ChromaticAberrationEffect.js\nimport { Uniform as Uniform28, Vector2 as Vector218 } from \"three\";\n\n// src/effects/glsl/chromatic-aberration.frag\nvar chromatic_aberration_default = \"#ifdef RADIAL_MODULATION\\nuniform float modulationOffset;\\n#endif\\nvarying float vActive;varying vec2 vUvR;varying vec2 vUvB;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec2 ra=inputColor.ra;vec2 ba=inputColor.ba;\\n#ifdef RADIAL_MODULATION\\nconst vec2 center=vec2(0.5);float d=distance(uv,center)*2.0;d=max(d-modulationOffset,0.0);if(vActive>0.0&&d>0.0){ra=texture2D(inputBuffer,mix(uv,vUvR,d)).ra;ba=texture2D(inputBuffer,mix(uv,vUvB,d)).ba;}\\n#else\\nif(vActive>0.0){ra=texture2D(inputBuffer,vUvR).ra;ba=texture2D(inputBuffer,vUvB).ba;}\\n#endif\\noutputColor=vec4(ra.x,inputColor.g,ba.x,max(max(ra.y,ba.y),inputColor.a));}\";\n\n// src/effects/glsl/chromatic-aberration.vert\nvar chromatic_aberration_default2 = \"uniform vec2 offset;varying float vActive;varying vec2 vUvR;varying vec2 vUvB;void mainSupport(const in vec2 uv){vec2 shift=offset*vec2(1.0,aspect);vActive=(shift.x!=0.0||shift.y!=0.0)?1.0:0.0;vUvR=uv+shift;vUvB=uv-shift;}\";\n\n// src/effects/ChromaticAberrationEffect.js\nvar ChromaticAberrationEffect = class extends Effect {\n constructor({\n offset = new Vector218(1e-3, 5e-4),\n radialModulation = false,\n modulationOffset = 0.15\n } = {}) {\n super(\"ChromaticAberrationEffect\", chromatic_aberration_default, {\n vertexShader: chromatic_aberration_default2,\n attributes: EffectAttribute.CONVOLUTION,\n uniforms: /* @__PURE__ */ new Map([\n [\"offset\", new Uniform28(offset)],\n [\"modulationOffset\", new Uniform28(modulationOffset)]\n ])\n });\n this.radialModulation = radialModulation;\n }\n get offset() {\n return this.uniforms.get(\"offset\").value;\n }\n set offset(value) {\n this.uniforms.get(\"offset\").value = value;\n }\n get radialModulation() {\n return this.defines.has(\"RADIAL_MODULATION\");\n }\n set radialModulation(value) {\n if (value) {\n this.defines.set(\"RADIAL_MODULATION\", \"1\");\n } else {\n this.defines.delete(\"RADIAL_MODULATION\");\n }\n this.setChanged();\n }\n get modulationOffset() {\n return this.uniforms.get(\"modulationOffset\").value;\n }\n set modulationOffset(value) {\n this.uniforms.get(\"modulationOffset\").value = value;\n }\n getOffset() {\n return this.offset;\n }\n setOffset(value) {\n this.offset = value;\n }\n};\n\n// src/effects/glsl/depth.frag\nvar depth_default = \"void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){\\n#ifdef INVERTED\\nvec3 color=vec3(1.0-depth);\\n#else\\nvec3 color=vec3(depth);\\n#endif\\noutputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/DepthEffect.js\nvar DepthEffect = class extends Effect {\n constructor({ blendFunction = BlendFunction.SRC, inverted = false } = {}) {\n super(\"DepthEffect\", depth_default, {\n blendFunction,\n attributes: EffectAttribute.DEPTH\n });\n this.inverted = inverted;\n }\n get inverted() {\n return this.defines.has(\"INVERTED\");\n }\n set inverted(value) {\n if (this.inverted !== value) {\n if (value) {\n this.defines.set(\"INVERTED\", \"1\");\n } else {\n this.defines.delete(\"INVERTED\");\n }\n this.setChanged();\n }\n }\n isInverted() {\n return this.inverted;\n }\n setInverted(value) {\n this.inverted = value;\n }\n};\n\n// src/effects/DepthOfFieldEffect.js\nimport { BasicDepthPacking as BasicDepthPacking14, sRGBEncoding as sRGBEncoding11, Uniform as Uniform29, UnsignedByteType as UnsignedByteType13, WebGLRenderTarget as WebGLRenderTarget16 } from \"three\";\n\n// src/effects/glsl/depth-of-field.frag\nvar depth_of_field_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D nearColorBuffer;uniform mediump sampler2D farColorBuffer;\\n#else\\nuniform lowp sampler2D nearColorBuffer;uniform lowp sampler2D farColorBuffer;\\n#endif\\nuniform lowp sampler2D nearCoCBuffer;uniform float scale;void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){vec4 colorNear=texture2D(nearColorBuffer,uv);vec4 colorFar=texture2D(farColorBuffer,uv);float cocNear=texture2D(nearCoCBuffer,uv).r;cocNear=min(cocNear*scale,1.0);vec4 result=inputColor*(1.0-colorFar.a)+colorFar;result=mix(result,colorNear,cocNear);outputColor=result;}\";\n\n// src/effects/DepthOfFieldEffect.js\nvar DepthOfFieldEffect = class extends Effect {\n constructor(camera, {\n blendFunction,\n worldFocusDistance,\n worldFocusRange,\n focusDistance = 0,\n focalLength = 0.1,\n focusRange = focalLength,\n bokehScale = 1,\n resolutionScale = 1,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"DepthOfFieldEffect\", depth_of_field_default, {\n blendFunction,\n attributes: EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"nearColorBuffer\", new Uniform29(null)],\n [\"farColorBuffer\", new Uniform29(null)],\n [\"nearCoCBuffer\", new Uniform29(null)],\n [\"scale\", new Uniform29(1)]\n ])\n });\n this.camera = camera;\n this.renderTarget = new WebGLRenderTarget16(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"DoF.Intermediate\";\n this.renderTargetMasked = this.renderTarget.clone();\n this.renderTargetMasked.texture.name = \"DoF.Masked.Far\";\n this.renderTargetNear = this.renderTarget.clone();\n this.renderTargetNear.texture.name = \"DoF.Bokeh.Near\";\n this.uniforms.get(\"nearColorBuffer\").value = this.renderTargetNear.texture;\n this.renderTargetFar = this.renderTarget.clone();\n this.renderTargetFar.texture.name = \"DoF.Bokeh.Far\";\n this.uniforms.get(\"farColorBuffer\").value = this.renderTargetFar.texture;\n this.renderTargetCoC = this.renderTarget.clone();\n this.renderTargetCoC.texture.name = \"DoF.CoC\";\n this.renderTargetCoCBlurred = this.renderTargetCoC.clone();\n this.renderTargetCoCBlurred.texture.name = \"DoF.CoC.Blurred\";\n this.uniforms.get(\"nearCoCBuffer\").value = this.renderTargetCoCBlurred.texture;\n this.cocPass = new ShaderPass(new CircleOfConfusionMaterial(camera));\n const cocMaterial = this.cocMaterial;\n cocMaterial.focusDistance = focusDistance;\n cocMaterial.focusRange = focusRange;\n if (worldFocusDistance !== void 0) {\n cocMaterial.worldFocusDistance = worldFocusDistance;\n }\n if (worldFocusRange !== void 0) {\n cocMaterial.worldFocusRange = worldFocusRange;\n }\n this.blurPass = new KawaseBlurPass({ resolutionScale, resolutionX, resolutionY, kernelSize: KernelSize.MEDIUM });\n this.maskPass = new ShaderPass(new MaskMaterial(this.renderTargetCoC.texture));\n const maskMaterial = this.maskPass.fullscreenMaterial;\n maskMaterial.maskFunction = MaskFunction.MULTIPLY;\n maskMaterial.colorChannel = ColorChannel.GREEN;\n this.bokehNearBasePass = new ShaderPass(new BokehMaterial(false, true));\n this.bokehNearBasePass.fullscreenMaterial.cocBuffer = this.renderTargetCoCBlurred.texture;\n this.bokehNearFillPass = new ShaderPass(new BokehMaterial(true, true));\n this.bokehNearFillPass.fullscreenMaterial.cocBuffer = this.renderTargetCoCBlurred.texture;\n this.bokehFarBasePass = new ShaderPass(new BokehMaterial(false, false));\n this.bokehFarBasePass.fullscreenMaterial.cocBuffer = this.renderTargetCoC.texture;\n this.bokehFarFillPass = new ShaderPass(new BokehMaterial(true, false));\n this.bokehFarFillPass.fullscreenMaterial.cocBuffer = this.renderTargetCoC.texture;\n this.target = null;\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.bokehScale = bokehScale;\n }\n set mainCamera(value) {\n this.camera = value;\n this.cocMaterial.copyCameraSettings(value);\n }\n get cocTexture() {\n return this.renderTargetCoC.texture;\n }\n get cocMaterial() {\n return this.cocPass.fullscreenMaterial;\n }\n get circleOfConfusionMaterial() {\n return this.cocMaterial;\n }\n getCircleOfConfusionMaterial() {\n return this.circleOfConfusionMaterial;\n }\n getBlurPass() {\n return this.blurPass;\n }\n getResolution() {\n return this.resolution;\n }\n get bokehScale() {\n return this.uniforms.get(\"scale\").value;\n }\n set bokehScale(value) {\n this.bokehNearBasePass.fullscreenMaterial.scale = value;\n this.bokehNearFillPass.fullscreenMaterial.scale = value;\n this.bokehFarBasePass.fullscreenMaterial.scale = value;\n this.bokehFarFillPass.fullscreenMaterial.scale = value;\n this.maskPass.fullscreenMaterial.strength = value;\n this.uniforms.get(\"scale\").value = value;\n }\n getBokehScale() {\n return this.bokehScale;\n }\n setBokehScale(value) {\n this.bokehScale = value;\n }\n getTarget() {\n return this.target;\n }\n setTarget(value) {\n this.target = value;\n }\n calculateFocusDistance(target) {\n const camera = this.camera;\n const distance = camera.position.distanceTo(target);\n return viewZToOrthographicDepth(-distance, camera.near, camera.far);\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking14) {\n this.circleOfConfusionMaterial.depthBuffer = depthTexture;\n this.circleOfConfusionMaterial.depthPacking = depthPacking;\n }\n update(renderer, inputBuffer, deltaTime) {\n const renderTarget = this.renderTarget;\n const renderTargetCoC = this.renderTargetCoC;\n const renderTargetCoCBlurred = this.renderTargetCoCBlurred;\n const renderTargetMasked = this.renderTargetMasked;\n if (this.target !== null) {\n const distance = this.calculateFocusDistance(this.target);\n this.circleOfConfusionMaterial.focusDistance = distance;\n }\n this.cocPass.render(renderer, null, renderTargetCoC);\n this.blurPass.render(renderer, renderTargetCoC, renderTargetCoCBlurred);\n this.maskPass.render(renderer, inputBuffer, renderTargetMasked);\n this.bokehFarBasePass.render(renderer, renderTargetMasked, renderTarget);\n this.bokehFarFillPass.render(renderer, renderTarget, this.renderTargetFar);\n this.bokehNearBasePass.render(renderer, inputBuffer, renderTarget);\n this.bokehNearFillPass.render(renderer, renderTarget, this.renderTargetNear);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.cocPass.setSize(width, height);\n this.blurPass.setSize(width, height);\n this.maskPass.setSize(width, height);\n this.renderTargetCoC.setSize(width, height);\n this.renderTargetMasked.setSize(width, height);\n this.renderTarget.setSize(w, h);\n this.renderTargetNear.setSize(w, h);\n this.renderTargetFar.setSize(w, h);\n this.renderTargetCoCBlurred.setSize(w, h);\n this.bokehNearBasePass.fullscreenMaterial.setSize(width, height);\n this.bokehNearFillPass.fullscreenMaterial.setSize(width, height);\n this.bokehFarBasePass.fullscreenMaterial.setSize(width, height);\n this.bokehFarFillPass.fullscreenMaterial.setSize(width, height);\n }\n initialize(renderer, alpha, frameBufferType) {\n this.cocPass.initialize(renderer, alpha, frameBufferType);\n this.maskPass.initialize(renderer, alpha, frameBufferType);\n this.bokehNearBasePass.initialize(renderer, alpha, frameBufferType);\n this.bokehNearFillPass.initialize(renderer, alpha, frameBufferType);\n this.bokehFarBasePass.initialize(renderer, alpha, frameBufferType);\n this.bokehFarFillPass.initialize(renderer, alpha, frameBufferType);\n this.blurPass.initialize(renderer, alpha, UnsignedByteType13);\n if (frameBufferType !== void 0) {\n this.renderTarget.texture.type = frameBufferType;\n this.renderTargetNear.texture.type = frameBufferType;\n this.renderTargetFar.texture.type = frameBufferType;\n this.renderTargetMasked.texture.type = frameBufferType;\n if (renderer.outputEncoding === sRGBEncoding11) {\n this.renderTarget.texture.encoding = sRGBEncoding11;\n this.renderTargetNear.texture.encoding = sRGBEncoding11;\n this.renderTargetFar.texture.encoding = sRGBEncoding11;\n this.renderTargetMasked.texture.encoding = sRGBEncoding11;\n }\n }\n }\n};\n\n// src/effects/DotScreenEffect.js\nimport { Uniform as Uniform30, Vector2 as Vector219 } from \"three\";\n\n// src/effects/glsl/dot-screen.frag\nvar dot_screen_default = \"uniform vec2 angle;uniform float scale;float pattern(const in vec2 uv){vec2 point=scale*vec2(dot(angle.yx,vec2(uv.x,-uv.y)),dot(angle,uv));return(sin(point.x)*sin(point.y))*4.0;}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=vec3(inputColor.rgb*10.0-5.0+pattern(uv*resolution));outputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/DotScreenEffect.js\nvar DotScreenEffect = class extends Effect {\n constructor({ blendFunction, angle = Math.PI * 0.5, scale = 1 } = {}) {\n super(\"DotScreenEffect\", dot_screen_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"angle\", new Uniform30(new Vector219())],\n [\"scale\", new Uniform30(scale)]\n ])\n });\n this.angle = angle;\n }\n get angle() {\n return Math.acos(this.uniforms.get(\"angle\").value.y);\n }\n set angle(value) {\n this.uniforms.get(\"angle\").value.set(Math.sin(value), Math.cos(value));\n }\n getAngle() {\n return this.angle;\n }\n setAngle(value) {\n this.angle = value;\n }\n get scale() {\n return this.uniforms.get(\"scale\").value;\n }\n set scale(value) {\n this.uniforms.get(\"scale\").value = value;\n }\n};\n\n// src/effects/glsl/fxaa.frag\nvar fxaa_default = \"\\n#if THREE_REVISION < 143\\n#define luminance(v) linearToRelativeLuminance(v)\\n#endif\\n#define QUALITY(q) ((q) < 5 ? 1.0 : ((q) > 5 ? ((q) < 10 ? 2.0 : ((q) < 11 ? 4.0 : 8.0)) : 1.5))\\n#define ONE_OVER_TWELVE 0.08333333333333333\\nvarying vec2 vUvDown;varying vec2 vUvUp;varying vec2 vUvLeft;varying vec2 vUvRight;varying vec2 vUvDownLeft;varying vec2 vUvUpRight;varying vec2 vUvUpLeft;varying vec2 vUvDownRight;vec4 fxaa(const in vec4 inputColor,const in vec2 uv){float lumaCenter=luminance(inputColor.rgb);float lumaDown=luminance(texture2D(inputBuffer,vUvDown).rgb);float lumaUp=luminance(texture2D(inputBuffer,vUvUp).rgb);float lumaLeft=luminance(texture2D(inputBuffer,vUvLeft).rgb);float lumaRight=luminance(texture2D(inputBuffer,vUvRight).rgb);float lumaMin=min(lumaCenter,min(min(lumaDown,lumaUp),min(lumaLeft,lumaRight)));float lumaMax=max(lumaCenter,max(max(lumaDown,lumaUp),max(lumaLeft,lumaRight)));float lumaRange=lumaMax-lumaMin;if(lumaRange=edgeVertical);float stepLength=isHorizontal?texelSize.y:texelSize.x;float luma1=isHorizontal?lumaDown:lumaLeft;float luma2=isHorizontal?lumaUp:lumaRight;float gradient1=abs(luma1-lumaCenter);float gradient2=abs(luma2-lumaCenter);bool is1Steepest=gradient1>=gradient2;float gradientScaled=0.25*max(gradient1,gradient2);float lumaLocalAverage=0.0;if(is1Steepest){stepLength=-stepLength;lumaLocalAverage=0.5*(luma1+lumaCenter);}else{lumaLocalAverage=0.5*(luma2+lumaCenter);}vec2 currentUv=uv;if(isHorizontal){currentUv.y+=stepLength*0.5;}else{currentUv.x+=stepLength*0.5;}vec2 offset=isHorizontal?vec2(texelSize.x,0.0):vec2(0.0,texelSize.y);vec2 uv1=currentUv-offset*QUALITY(0);vec2 uv2=currentUv+offset*QUALITY(0);float lumaEnd1=luminance(texture2D(inputBuffer,uv1).rgb);float lumaEnd2=luminance(texture2D(inputBuffer,uv2).rgb);lumaEnd1-=lumaLocalAverage;lumaEnd2-=lumaLocalAverage;bool reached1=abs(lumaEnd1)>=gradientScaled;bool reached2=abs(lumaEnd2)>=gradientScaled;bool reachedBoth=reached1&&reached2;if(!reached1){uv1-=offset*QUALITY(1);}if(!reached2){uv2+=offset*QUALITY(1);}if(!reachedBoth){for(int i=2;i=gradientScaled;reached2=abs(lumaEnd2)>=gradientScaled;reachedBoth=reached1&&reached2;if(!reached1){uv1-=offset*QUALITY(i);}if(!reached2){uv2+=offset*QUALITY(i);}if(reachedBoth){break;}}}float distance1=isHorizontal?(uv.x-uv1.x):(uv.y-uv1.y);float distance2=isHorizontal?(uv2.x-uv.x):(uv2.y-uv.y);bool isDirection1=distance1distortion.x-columns*random){float sx=clamp(ceil(seeds.x),0.0,1.0);uv.y=sx*(1.0-(uv.y+distortion.y))+(1.0-sx)*distortion.y;}if(uv.xdistortion.y-columns*random){float sy=clamp(ceil(seeds.y),0.0,1.0);uv.x=sy*distortion.x+(1.0-sy)*(1.0-(uv.x+distortion.x));}vec2 normal=texture2D(perturbationMap,uv*random*random).rg;uv+=normal*seeds*(random*0.2);}}\";\n\n// src/effects/GlitchEffect.js\nvar textureTag = \"Glitch.Generated\";\nfunction randomFloat(low, high) {\n return low + Math.random() * (high - low);\n}\nvar GlitchEffect = class extends Effect {\n constructor({\n chromaticAberrationOffset = null,\n delay = new Vector220(1.5, 3.5),\n duration = new Vector220(0.6, 1),\n strength = new Vector220(0.3, 1),\n columns = 0.05,\n ratio = 0.85,\n perturbationMap = null,\n dtSize = 64\n } = {}) {\n super(\"GlitchEffect\", glitch_default, {\n uniforms: /* @__PURE__ */ new Map([\n [\"perturbationMap\", new Uniform32(null)],\n [\"columns\", new Uniform32(columns)],\n [\"active\", new Uniform32(false)],\n [\"random\", new Uniform32(1)],\n [\"seeds\", new Uniform32(new Vector220())],\n [\"distortion\", new Uniform32(new Vector220())]\n ])\n });\n if (perturbationMap === null) {\n const map = new NoiseTexture(dtSize, dtSize, RGBAFormat3);\n map.name = textureTag;\n this.perturbationMap = map;\n } else {\n this.perturbationMap = perturbationMap;\n }\n this.time = 0;\n this.distortion = this.uniforms.get(\"distortion\").value;\n this.delay = delay;\n this.duration = duration;\n this.breakPoint = new Vector220(\n randomFloat(this.delay.x, this.delay.y),\n randomFloat(this.duration.x, this.duration.y)\n );\n this.strength = strength;\n this.mode = GlitchMode.SPORADIC;\n this.ratio = ratio;\n this.chromaticAberrationOffset = chromaticAberrationOffset;\n }\n get seeds() {\n return this.uniforms.get(\"seeds\").value;\n }\n get active() {\n return this.uniforms.get(\"active\").value;\n }\n isActive() {\n return this.active;\n }\n get minDelay() {\n return this.delay.x;\n }\n set minDelay(value) {\n this.delay.x = value;\n }\n getMinDelay() {\n return this.delay.x;\n }\n setMinDelay(value) {\n this.delay.x = value;\n }\n get maxDelay() {\n return this.delay.y;\n }\n set maxDelay(value) {\n this.delay.y = value;\n }\n getMaxDelay() {\n return this.delay.y;\n }\n setMaxDelay(value) {\n this.delay.y = value;\n }\n get minDuration() {\n return this.duration.x;\n }\n set minDuration(value) {\n this.duration.x = value;\n }\n getMinDuration() {\n return this.duration.x;\n }\n setMinDuration(value) {\n this.duration.x = value;\n }\n get maxDuration() {\n return this.duration.y;\n }\n set maxDuration(value) {\n this.duration.y = value;\n }\n getMaxDuration() {\n return this.duration.y;\n }\n setMaxDuration(value) {\n this.duration.y = value;\n }\n get minStrength() {\n return this.strength.x;\n }\n set minStrength(value) {\n this.strength.x = value;\n }\n getMinStrength() {\n return this.strength.x;\n }\n setMinStrength(value) {\n this.strength.x = value;\n }\n get maxStrength() {\n return this.strength.y;\n }\n set maxStrength(value) {\n this.strength.y = value;\n }\n getMaxStrength() {\n return this.strength.y;\n }\n setMaxStrength(value) {\n this.strength.y = value;\n }\n getMode() {\n return this.mode;\n }\n setMode(value) {\n this.mode = value;\n }\n getGlitchRatio() {\n return 1 - this.ratio;\n }\n setGlitchRatio(value) {\n this.ratio = Math.min(Math.max(1 - value, 0), 1);\n }\n get columns() {\n return this.uniforms.get(\"columns\").value;\n }\n set columns(value) {\n this.uniforms.get(\"columns\").value = value;\n }\n getGlitchColumns() {\n return this.columns;\n }\n setGlitchColumns(value) {\n this.columns = value;\n }\n getChromaticAberrationOffset() {\n return this.chromaticAberrationOffset;\n }\n setChromaticAberrationOffset(value) {\n this.chromaticAberrationOffset = value;\n }\n get perturbationMap() {\n return this.uniforms.get(\"perturbationMap\").value;\n }\n set perturbationMap(value) {\n const currentMap = this.perturbationMap;\n if (currentMap !== null && currentMap.name === textureTag) {\n currentMap.dispose();\n }\n value.minFilter = value.magFilter = NearestFilter6;\n value.wrapS = value.wrapT = RepeatWrapping;\n value.generateMipmaps = false;\n this.uniforms.get(\"perturbationMap\").value = value;\n }\n getPerturbationMap() {\n return this.perturbationMap;\n }\n setPerturbationMap(value) {\n this.perturbationMap = value;\n }\n generatePerturbationMap(value = 64) {\n const map = new NoiseTexture(value, value, RGBAFormat3);\n map.name = textureTag;\n return map;\n }\n update(renderer, inputBuffer, deltaTime) {\n const mode = this.mode;\n const breakPoint = this.breakPoint;\n const offset = this.chromaticAberrationOffset;\n const s = this.strength;\n let time = this.time;\n let active = false;\n let r = 0, a = 0;\n let trigger;\n if (mode !== GlitchMode.DISABLED) {\n if (mode === GlitchMode.SPORADIC) {\n time += deltaTime;\n trigger = time > breakPoint.x;\n if (time >= breakPoint.x + breakPoint.y) {\n breakPoint.set(\n randomFloat(this.delay.x, this.delay.y),\n randomFloat(this.duration.x, this.duration.y)\n );\n time = 0;\n }\n }\n r = Math.random();\n this.uniforms.get(\"random\").value = r;\n if (trigger && r > this.ratio || mode === GlitchMode.CONSTANT_WILD) {\n active = true;\n r *= s.y * 0.03;\n a = randomFloat(-Math.PI, Math.PI);\n this.seeds.set(randomFloat(-s.y, s.y), randomFloat(-s.y, s.y));\n this.distortion.set(randomFloat(0, 1), randomFloat(0, 1));\n } else if (trigger || mode === GlitchMode.CONSTANT_MILD) {\n active = true;\n r *= s.x * 0.03;\n a = randomFloat(-Math.PI, Math.PI);\n this.seeds.set(randomFloat(-s.x, s.x), randomFloat(-s.x, s.x));\n this.distortion.set(randomFloat(0, 1), randomFloat(0, 1));\n }\n this.time = time;\n }\n if (offset !== null) {\n if (active) {\n offset.set(Math.cos(a), Math.sin(a)).multiplyScalar(r);\n } else {\n offset.set(0, 0);\n }\n }\n this.uniforms.get(\"active\").value = active;\n }\n dispose() {\n const map = this.perturbationMap;\n if (map !== null && map.name === textureTag) {\n map.dispose();\n }\n }\n};\n\n// src/effects/GodRaysEffect.js\nimport {\n BasicDepthPacking as BasicDepthPacking15,\n Color as Color4,\n DepthTexture as DepthTexture2,\n Matrix4 as Matrix42,\n Scene as Scene2,\n sRGBEncoding as sRGBEncoding12,\n Uniform as Uniform33,\n Vector2 as Vector221,\n Vector3,\n WebGLRenderTarget as WebGLRenderTarget17\n} from \"three\";\n\n// src/effects/glsl/god-rays.frag\nvar god_rays_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=texture2D(map,uv);}\";\n\n// src/effects/GodRaysEffect.js\nvar v = new Vector3();\nvar m = new Matrix42();\nvar GodRaysEffect = class extends Effect {\n constructor(camera, lightSource, {\n blendFunction = BlendFunction.SCREEN,\n samples = 60,\n density = 0.96,\n decay = 0.9,\n weight = 0.4,\n exposure = 0.6,\n clampMax = 1,\n blur = true,\n kernelSize = KernelSize.SMALL,\n resolutionScale = 0.5,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"GodRaysEffect\", god_rays_default, {\n blendFunction,\n attributes: EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"map\", new Uniform33(null)]\n ])\n });\n this.camera = camera;\n this.lightSource = lightSource;\n this.lightSource.material.depthWrite = false;\n this.lightSource.material.transparent = true;\n this.lightScene = new Scene2();\n this.screenPosition = new Vector221();\n this.renderTargetA = new WebGLRenderTarget17(1, 1, { depthBuffer: false });\n this.renderTargetA.texture.name = \"GodRays.Target.A\";\n this.renderTargetB = this.renderTargetA.clone();\n this.renderTargetB.texture.name = \"GodRays.Target.B\";\n this.uniforms.get(\"map\").value = this.renderTargetB.texture;\n this.renderTargetLight = new WebGLRenderTarget17(1, 1);\n this.renderTargetLight.texture.name = \"GodRays.Light\";\n this.renderTargetLight.depthTexture = new DepthTexture2();\n this.renderPassLight = new RenderPass(this.lightScene, camera);\n this.renderPassLight.clearPass.overrideClearColor = new Color4(0);\n this.clearPass = new ClearPass(true, false, false);\n this.clearPass.overrideClearColor = new Color4(0);\n this.blurPass = new KawaseBlurPass({ kernelSize });\n this.blurPass.enabled = blur;\n this.depthMaskPass = new ShaderPass(new DepthMaskMaterial());\n const depthMaskMaterial = this.depthMaskMaterial;\n depthMaskMaterial.depthBuffer1 = this.renderTargetLight.depthTexture;\n depthMaskMaterial.copyCameraSettings(camera);\n this.godRaysPass = new ShaderPass(new GodRaysMaterial(this.screenPosition));\n const godRaysMaterial = this.godRaysMaterial;\n godRaysMaterial.density = density;\n godRaysMaterial.decay = decay;\n godRaysMaterial.weight = weight;\n godRaysMaterial.exposure = exposure;\n godRaysMaterial.maxIntensity = clampMax;\n godRaysMaterial.samples = samples;\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n set mainCamera(value) {\n this.camera = value;\n this.renderPassLight.mainCamera = value;\n this.depthMaskMaterial.copyCameraSettings(value);\n }\n getBlurPass() {\n return this.blurPass;\n }\n get texture() {\n return this.renderTargetB.texture;\n }\n getTexture() {\n return this.texture;\n }\n get depthMaskMaterial() {\n return this.depthMaskPass.fullscreenMaterial;\n }\n get godRaysMaterial() {\n return this.godRaysPass.fullscreenMaterial;\n }\n getGodRaysMaterial() {\n return this.godRaysMaterial;\n }\n getResolution() {\n return this.resolution;\n }\n get width() {\n return this.resolution.width;\n }\n set width(value) {\n this.resolution.preferredWidth = value;\n }\n get height() {\n return this.resolution.height;\n }\n set height(value) {\n this.resolution.preferredHeight = value;\n }\n get dithering() {\n return this.godRaysMaterial.dithering;\n }\n set dithering(value) {\n const material = this.godRaysMaterial;\n material.dithering = value;\n material.needsUpdate = true;\n }\n get blur() {\n return this.blurPass.enabled;\n }\n set blur(value) {\n this.blurPass.enabled = value;\n }\n get kernelSize() {\n return this.blurPass.kernelSize;\n }\n set kernelSize(value) {\n this.blurPass.kernelSize = value;\n }\n getResolutionScale() {\n return this.resolution.scale;\n }\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n get samples() {\n return this.godRaysMaterial.samples;\n }\n set samples(value) {\n this.godRaysMaterial.samples = value;\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking15) {\n this.depthMaskPass.fullscreenMaterial.depthBuffer0 = depthTexture;\n this.depthMaskPass.fullscreenMaterial.depthPacking0 = depthPacking;\n }\n update(renderer, inputBuffer, deltaTime) {\n const lightSource = this.lightSource;\n const parent = lightSource.parent;\n const matrixAutoUpdate = lightSource.matrixAutoUpdate;\n const renderTargetA = this.renderTargetA;\n const renderTargetLight = this.renderTargetLight;\n lightSource.material.depthWrite = true;\n lightSource.matrixAutoUpdate = false;\n lightSource.updateWorldMatrix(true, false);\n if (parent !== null) {\n if (!matrixAutoUpdate) {\n m.copy(lightSource.matrix);\n }\n lightSource.matrix.copy(lightSource.matrixWorld);\n }\n this.lightScene.add(lightSource);\n this.renderPassLight.render(renderer, renderTargetLight);\n this.clearPass.render(renderer, renderTargetA);\n this.depthMaskPass.render(renderer, renderTargetLight, renderTargetA);\n lightSource.material.depthWrite = false;\n lightSource.matrixAutoUpdate = matrixAutoUpdate;\n if (parent !== null) {\n if (!matrixAutoUpdate) {\n lightSource.matrix.copy(m);\n }\n parent.add(lightSource);\n }\n v.setFromMatrixPosition(lightSource.matrixWorld).project(this.camera);\n this.screenPosition.set(\n Math.min(Math.max((v.x + 1) * 0.5, -1), 2),\n Math.min(Math.max((v.y + 1) * 0.5, -1), 2)\n );\n if (this.blurPass.enabled) {\n this.blurPass.render(renderer, renderTargetA, renderTargetA);\n }\n this.godRaysPass.render(renderer, renderTargetA, this.renderTargetB);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.renderTargetA.setSize(w, h);\n this.renderTargetB.setSize(w, h);\n this.renderTargetLight.setSize(w, h);\n this.blurPass.resolution.copy(resolution);\n }\n initialize(renderer, alpha, frameBufferType) {\n this.blurPass.initialize(renderer, alpha, frameBufferType);\n this.renderPassLight.initialize(renderer, alpha, frameBufferType);\n this.depthMaskPass.initialize(renderer, alpha, frameBufferType);\n this.godRaysPass.initialize(renderer, alpha, frameBufferType);\n if (frameBufferType !== void 0) {\n this.renderTargetA.texture.type = frameBufferType;\n this.renderTargetB.texture.type = frameBufferType;\n this.renderTargetLight.texture.type = frameBufferType;\n if (renderer.outputEncoding === sRGBEncoding12) {\n this.renderTargetA.texture.encoding = sRGBEncoding12;\n this.renderTargetB.texture.encoding = sRGBEncoding12;\n this.renderTargetLight.texture.encoding = sRGBEncoding12;\n }\n }\n }\n};\n\n// src/effects/GridEffect.js\nimport { Uniform as Uniform34, Vector2 as Vector222 } from \"three\";\n\n// src/effects/glsl/grid.frag\nvar grid_default = \"uniform vec2 scale;uniform float lineWidth;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){float grid=0.5-max(abs(mod(uv.x*scale.x,1.0)-0.5),abs(mod(uv.y*scale.y,1.0)-0.5));outputColor=vec4(vec3(smoothstep(0.0,lineWidth,grid)),inputColor.a);}\";\n\n// src/effects/GridEffect.js\nvar GridEffect = class extends Effect {\n constructor({ blendFunction = BlendFunction.OVERLAY, scale = 1, lineWidth = 0 } = {}) {\n super(\"GridEffect\", grid_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"scale\", new Uniform34(new Vector222())],\n [\"lineWidth\", new Uniform34(lineWidth)]\n ])\n });\n this.resolution = new Vector222();\n this.s = 0;\n this.scale = scale;\n this.l = 0;\n this.lineWidth = lineWidth;\n }\n get scale() {\n return this.s;\n }\n set scale(value) {\n this.s = Math.max(value, 1e-6);\n this.setSize(this.resolution.width, this.resolution.height);\n }\n getScale() {\n return this.scale;\n }\n setScale(value) {\n this.scale = value;\n }\n get lineWidth() {\n return this.l;\n }\n set lineWidth(value) {\n this.l = value;\n this.setSize(this.resolution.width, this.resolution.height);\n }\n getLineWidth() {\n return this.lineWidth;\n }\n setLineWidth(value) {\n this.lineWidth = value;\n }\n setSize(width, height) {\n this.resolution.set(width, height);\n const aspect = width / height;\n const scale = this.scale * (height * 0.125);\n this.uniforms.get(\"scale\").value.set(aspect * scale, scale);\n this.uniforms.get(\"lineWidth\").value = scale / height + this.lineWidth;\n }\n};\n\n// src/effects/HueSaturationEffect.js\nimport { Uniform as Uniform35, Vector3 as Vector32 } from \"three\";\n\n// src/effects/glsl/hue-saturation.frag\nvar hue_saturation_default = \"uniform vec3 hue;uniform float saturation;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=vec3(dot(inputColor.rgb,hue.xyz),dot(inputColor.rgb,hue.zxy),dot(inputColor.rgb,hue.yzx));float average=(color.r+color.g+color.b)/3.0;vec3 diff=average-color;if(saturation>0.0){color+=diff*(1.0-1.0/(1.001-saturation));}else{color+=diff*-saturation;}outputColor=vec4(min(color,1.0),inputColor.a);}\";\n\n// src/effects/HueSaturationEffect.js\nvar HueSaturationEffect = class extends Effect {\n constructor({ blendFunction = BlendFunction.SRC, hue = 0, saturation = 0 } = {}) {\n super(\"HueSaturationEffect\", hue_saturation_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"hue\", new Uniform35(new Vector32())],\n [\"saturation\", new Uniform35(saturation)]\n ])\n });\n this.hue = hue;\n }\n get saturation() {\n return this.uniforms.get(\"saturation\").value;\n }\n set saturation(value) {\n this.uniforms.get(\"saturation\").value = value;\n }\n getSaturation() {\n return this.saturation;\n }\n setSaturation(value) {\n this.saturation = value;\n }\n get hue() {\n const hue = this.uniforms.get(\"hue\").value;\n return Math.acos((hue.x * 3 - 1) / 2);\n }\n set hue(value) {\n const s = Math.sin(value), c2 = Math.cos(value);\n this.uniforms.get(\"hue\").value.set(\n (2 * c2 + 1) / 3,\n (-Math.sqrt(3) * s - c2 + 1) / 3,\n (Math.sqrt(3) * s - c2 + 1) / 3\n );\n }\n getHue() {\n return this.hue;\n }\n setHue(value) {\n this.hue = value;\n }\n};\n\n// src/effects/LUT1DEffect.js\nimport { FloatType as FloatType4, HalfFloatType, Uniform as Uniform36 } from \"three\";\n\n// src/effects/glsl/lut-1d.frag\nvar lut_1d_default = \"#ifdef LUT_PRECISION_HIGH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D lut;\\n#else\\nuniform mediump sampler2D lut;\\n#endif\\n#else\\nuniform lowp sampler2D lut;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=vec4(texture2D(lut,vec2(inputColor.r,0.5)).r,texture2D(lut,vec2(inputColor.g,0.5)).r,texture2D(lut,vec2(inputColor.b,0.5)).r,inputColor.a);}\";\n\n// src/effects/LUT1DEffect.js\nvar LUT1DEffect = class extends Effect {\n constructor(lut, { blendFunction = BlendFunction.SRC } = {}) {\n super(\"LUT1DEffect\", lut_1d_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([[\"lut\", new Uniform36(null)]])\n });\n this.lut = lut;\n }\n get lut() {\n return this.uniforms.get(\"lut\").value;\n }\n set lut(value) {\n this.uniforms.get(\"lut\").value = value;\n if (value !== null && (value.type === FloatType4 || value.type === HalfFloatType)) {\n this.defines.set(\"LUT_PRECISION_HIGH\", \"1\");\n }\n }\n};\n\n// src/effects/LUT3DEffect.js\nimport {\n DataTexture3D as DataTexture3D2,\n FloatType as FloatType6,\n HalfFloatType as HalfFloatType2,\n LinearFilter as LinearFilter4,\n NearestFilter as NearestFilter7,\n sRGBEncoding as sRGBEncoding14,\n Uniform as Uniform37,\n Vector3 as Vector34\n} from \"three\";\n\n// src/textures/lut/LookupTexture.js\nimport {\n Color as Color5,\n ClampToEdgeWrapping,\n DataTexture as DataTexture2,\n DataTexture3D,\n FloatType as FloatType5,\n LinearFilter as LinearFilter3,\n LinearEncoding as LinearEncoding4,\n RGBAFormat as RGBAFormat4,\n sRGBEncoding as sRGBEncoding13,\n UnsignedByteType as UnsignedByteType15,\n Vector3 as Vector33\n} from \"three\";\n\n// src/textures/RawImageData.js\nfunction createCanvas(width, height, data) {\n const canvas = document.createElement(\"canvas\");\n const context = canvas.getContext(\"2d\");\n canvas.width = width;\n canvas.height = height;\n if (data instanceof Image) {\n context.drawImage(data, 0, 0);\n } else {\n const imageData = context.createImageData(width, height);\n imageData.data.set(data);\n context.putImageData(imageData, 0, 0);\n }\n return canvas;\n}\nvar RawImageData = class {\n constructor(width = 0, height = 0, data = null) {\n this.width = width;\n this.height = height;\n this.data = data;\n }\n toCanvas() {\n return typeof document === \"undefined\" ? null : createCanvas(this.width, this.height, this.data);\n }\n static from(image) {\n const { width, height } = image;\n let data;\n if (image instanceof Image) {\n const canvas = createCanvas(width, height, image);\n if (canvas !== null) {\n const context = canvas.getContext(\"2d\");\n data = context.getImageData(0, 0, width, height).data;\n }\n } else {\n data = image.data;\n }\n return new RawImageData(width, height, data);\n }\n};\n\n// tmp/lut/worker.txt\nvar worker_default = '\"use strict\";(()=>{var O=Math.pow;var _={SCALE_UP:\"lut.scaleup\"};var k=[new Float32Array(3),new Float32Array(3)],n=[new Float32Array(3),new Float32Array(3),new Float32Array(3),new Float32Array(3)],Z=[[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([0,1,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([0,1,1]),new Float32Array([1,1,1])]];function d(a,t,r,m){let i=r[0]-t[0],e=r[1]-t[1],y=r[2]-t[2],h=a[0]-t[0],A=a[1]-t[1],w=a[2]-t[2],c=e*w-y*A,l=y*h-i*w,x=i*A-e*h,u=Math.sqrt(c*c+l*l+x*x),b=u*.5,s=c/u,F=l/u,f=x/u,p=-(a[0]*s+a[1]*F+a[2]*f),M=m[0]*s+m[1]*F+m[2]*f;return Math.abs(M+p)*b/3}function V(a,t,r,m,i,e){let y=(r+m*t+i*t*t)*4;e[0]=a[y+0],e[1]=a[y+1],e[2]=a[y+2]}function j(a,t,r,m,i,e){let y=r*(t-1),h=m*(t-1),A=i*(t-1),w=Math.floor(y),c=Math.floor(h),l=Math.floor(A),x=Math.ceil(y),u=Math.ceil(h),b=Math.ceil(A),s=y-w,F=h-c,f=A-l;if(w===y&&c===h&&l===A)V(a,t,y,h,A,e);else{let p;s>=F&&F>=f?p=Z[0]:s>=f&&f>=F?p=Z[1]:f>=s&&s>=F?p=Z[2]:F>=s&&s>=f?p=Z[3]:F>=f&&f>=s?p=Z[4]:f>=F&&F>=s&&(p=Z[5]);let[M,g,X,Y]=p,P=k[0];P[0]=s,P[1]=F,P[2]=f;let o=k[1],L=x-w,S=u-c,U=b-l;o[0]=L*M[0]+w,o[1]=S*M[1]+c,o[2]=U*M[2]+l,V(a,t,o[0],o[1],o[2],n[0]),o[0]=L*g[0]+w,o[1]=S*g[1]+c,o[2]=U*g[2]+l,V(a,t,o[0],o[1],o[2],n[1]),o[0]=L*X[0]+w,o[1]=S*X[1]+c,o[2]=U*X[2]+l,V(a,t,o[0],o[1],o[2],n[2]),o[0]=L*Y[0]+w,o[1]=S*Y[1]+c,o[2]=U*Y[2]+l,V(a,t,o[0],o[1],o[2],n[3]);let T=d(g,X,Y,P)*6,q=d(M,X,Y,P)*6,C=d(M,g,Y,P)*6,E=d(M,g,X,P)*6;n[0][0]*=T,n[0][1]*=T,n[0][2]*=T,n[1][0]*=q,n[1][1]*=q,n[1][2]*=q,n[2][0]*=C,n[2][1]*=C,n[2][2]*=C,n[3][0]*=E,n[3][1]*=E,n[3][2]*=E,e[0]=n[0][0]+n[1][0]+n[2][0]+n[3][0],e[1]=n[0][1]+n[1][1]+n[2][1]+n[3][1],e[2]=n[0][2]+n[1][2]+n[2][2]+n[3][2]}}var v=class{static expand(t,r){let m=Math.cbrt(t.length/4),i=new Float32Array(3),e=new t.constructor(O(r,3)*4),y=t instanceof Uint8Array?255:1,h=O(r,2),A=1/(r-1);for(let w=0;w{let t=a.data,r=t.data;switch(t.operation){case _.SCALE_UP:r=v.expand(r,t.size);break}postMessage(r,[r.buffer]),close()});})();\\n';\n\n// src/textures/lut/LookupTexture.js\nvar c = new Color5();\nvar LookupTexture = class extends DataTexture3D {\n constructor(data, size) {\n super(data, size, size, size);\n this.type = FloatType5;\n this.format = RGBAFormat4;\n this.encoding = LinearEncoding4;\n this.minFilter = LinearFilter3;\n this.magFilter = LinearFilter3;\n this.wrapS = ClampToEdgeWrapping;\n this.wrapT = ClampToEdgeWrapping;\n this.wrapR = ClampToEdgeWrapping;\n this.unpackAlignment = 1;\n this.needsUpdate = true;\n this.domainMin = new Vector33(0, 0, 0);\n this.domainMax = new Vector33(1, 1, 1);\n }\n get isLookupTexture3D() {\n return true;\n }\n scaleUp(size, transferData = true) {\n const image = this.image;\n let promise;\n if (size <= image.width) {\n promise = Promise.reject(new Error(\"The target size must be greater than the current size\"));\n } else {\n promise = new Promise((resolve, reject) => {\n const workerURL = URL.createObjectURL(new Blob([worker_default], {\n type: \"text/javascript\"\n }));\n const worker = new Worker(workerURL);\n worker.addEventListener(\"error\", (event) => reject(event.error));\n worker.addEventListener(\"message\", (event) => {\n const lut = new LookupTexture(event.data, size);\n lut.encoding = this.encoding;\n lut.type = this.type;\n lut.name = this.name;\n URL.revokeObjectURL(workerURL);\n resolve(lut);\n });\n const transferList = transferData ? [image.data.buffer] : [];\n worker.postMessage({\n operation: LUTOperation.SCALE_UP,\n data: image.data,\n size\n }, transferList);\n });\n }\n return promise;\n }\n applyLUT(lut) {\n const img0 = this.image;\n const img1 = lut.image;\n const size0 = Math.min(img0.width, img0.height, img0.depth);\n const size1 = Math.min(img1.width, img1.height, img1.depth);\n if (size0 !== size1) {\n console.error(\"Size mismatch\");\n } else if (lut.type !== FloatType5 || this.type !== FloatType5) {\n console.error(\"Both LUTs must be FloatType textures\");\n } else if (lut.format !== RGBAFormat4 || this.format !== RGBAFormat4) {\n console.error(\"Both LUTs must be RGBA textures\");\n } else {\n const data0 = img0.data;\n const data1 = img1.data;\n const size = size0;\n const sizeSq = size ** 2;\n const s = size - 1;\n for (let i = 0, l = size ** 3; i < l; ++i) {\n const i4 = i * 4;\n const r = data0[i4 + 0] * s;\n const g = data0[i4 + 1] * s;\n const b = data0[i4 + 2] * s;\n const iRGB = Math.round(r + g * size + b * sizeSq) * 4;\n data0[i4 + 0] = data1[iRGB + 0];\n data0[i4 + 1] = data1[iRGB + 1];\n data0[i4 + 2] = data1[iRGB + 2];\n }\n this.needsUpdate = true;\n }\n return this;\n }\n convertToUint8() {\n if (this.type === FloatType5) {\n const floatData = this.image.data;\n const uint8Data = new Uint8Array(floatData.length);\n for (let i = 0, l = floatData.length; i < l; ++i) {\n uint8Data[i] = floatData[i] * 255 + 0.5;\n }\n this.image.data = uint8Data;\n this.type = UnsignedByteType15;\n this.needsUpdate = true;\n }\n return this;\n }\n convertToFloat() {\n if (this.type === UnsignedByteType15) {\n const uint8Data = this.image.data;\n const floatData = new Float32Array(uint8Data.length);\n for (let i = 0, l = uint8Data.length; i < l; ++i) {\n floatData[i] = uint8Data[i] / 255;\n }\n this.image.data = floatData;\n this.type = FloatType5;\n this.needsUpdate = true;\n }\n return this;\n }\n convertToRGBA() {\n console.warn(\"LookupTexture\", \"convertToRGBA() is deprecated, LUTs are now RGBA by default\");\n return this;\n }\n convertLinearToSRGB() {\n const data = this.image.data;\n if (this.type === FloatType5) {\n for (let i = 0, l = data.length; i < l; i += 4) {\n c.fromArray(data, i).convertLinearToSRGB().toArray(data, i);\n }\n this.encoding = sRGBEncoding13;\n this.needsUpdate = true;\n } else {\n console.error(\"Color space conversion requires FloatType data\");\n }\n return this;\n }\n convertSRGBToLinear() {\n const data = this.image.data;\n if (this.type === FloatType5) {\n for (let i = 0, l = data.length; i < l; i += 4) {\n c.fromArray(data, i).convertSRGBToLinear().toArray(data, i);\n }\n this.encoding = LinearEncoding4;\n this.needsUpdate = true;\n } else {\n console.error(\"Color space conversion requires FloatType data\");\n }\n return this;\n }\n toDataTexture() {\n const width = this.image.width;\n const height = this.image.height * this.image.depth;\n const texture = new DataTexture2(this.image.data, width, height);\n texture.name = this.name;\n texture.type = this.type;\n texture.format = this.format;\n texture.encoding = this.encoding;\n texture.minFilter = LinearFilter3;\n texture.magFilter = LinearFilter3;\n texture.wrapS = this.wrapS;\n texture.wrapT = this.wrapT;\n texture.generateMipmaps = false;\n texture.needsUpdate = true;\n return texture;\n }\n static from(texture) {\n const image = texture.image;\n const { width, height } = image;\n const size = Math.min(width, height);\n let data;\n if (image instanceof Image) {\n const rawImageData = RawImageData.from(image);\n const src = rawImageData.data;\n if (width > height) {\n data = new Uint8Array(src.length);\n for (let z = 0; z < size; ++z) {\n for (let y = 0; y < size; ++y) {\n for (let x = 0; x < size; ++x) {\n const i4 = (x + z * size + y * size * size) * 4;\n const j4 = (x + y * size + z * size * size) * 4;\n data[j4 + 0] = src[i4 + 0];\n data[j4 + 1] = src[i4 + 1];\n data[j4 + 2] = src[i4 + 2];\n data[j4 + 3] = src[i4 + 3];\n }\n }\n }\n } else {\n data = new Uint8Array(src.buffer);\n }\n } else {\n data = image.data.slice();\n }\n const lut = new LookupTexture(data, size);\n lut.encoding = texture.encoding;\n lut.type = texture.type;\n lut.name = texture.name;\n return lut;\n }\n static createNeutral(size) {\n const data = new Float32Array(size ** 3 * 4);\n const sizeSq = size ** 2;\n const s = 1 / (size - 1);\n for (let r = 0; r < size; ++r) {\n for (let g = 0; g < size; ++g) {\n for (let b = 0; b < size; ++b) {\n const i4 = (r + g * size + b * sizeSq) * 4;\n data[i4 + 0] = r * s;\n data[i4 + 1] = g * s;\n data[i4 + 2] = b * s;\n data[i4 + 3] = 1;\n }\n }\n }\n const lut = new LookupTexture(data, size);\n lut.name = \"neutral\";\n return lut;\n }\n};\n\n// src/textures/lut/TetrahedralUpscaler.js\nvar P = [\n new Float32Array(3),\n new Float32Array(3)\n];\nvar C = [\n new Float32Array(3),\n new Float32Array(3),\n new Float32Array(3),\n new Float32Array(3)\n];\nvar T = [\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([1, 0, 0]),\n new Float32Array([1, 1, 0]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([1, 0, 0]),\n new Float32Array([1, 0, 1]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([0, 0, 1]),\n new Float32Array([1, 0, 1]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([0, 1, 0]),\n new Float32Array([1, 1, 0]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([0, 1, 0]),\n new Float32Array([0, 1, 1]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([0, 0, 1]),\n new Float32Array([0, 1, 1]),\n new Float32Array([1, 1, 1])\n ]\n];\nfunction calculateTetrahedronVolume(a, b, c2, d) {\n const bcX = c2[0] - b[0];\n const bcY = c2[1] - b[1];\n const bcZ = c2[2] - b[2];\n const baX = a[0] - b[0];\n const baY = a[1] - b[1];\n const baZ = a[2] - b[2];\n const crossX = bcY * baZ - bcZ * baY;\n const crossY = bcZ * baX - bcX * baZ;\n const crossZ = bcX * baY - bcY * baX;\n const length = Math.sqrt(crossX * crossX + crossY * crossY + crossZ * crossZ);\n const triangleArea = length * 0.5;\n const normalX = crossX / length;\n const normalY = crossY / length;\n const normalZ = crossZ / length;\n const constant = -(a[0] * normalX + a[1] * normalY + a[2] * normalZ);\n const dot = d[0] * normalX + d[1] * normalY + d[2] * normalZ;\n const height = Math.abs(dot + constant);\n return height * triangleArea / 3;\n}\nfunction sample(data, size, x, y, z, color2) {\n const i4 = (x + y * size + z * size * size) * 4;\n color2[0] = data[i4 + 0];\n color2[1] = data[i4 + 1];\n color2[2] = data[i4 + 2];\n}\nfunction tetrahedralSample(data, size, u, v3, w, color2) {\n const px = u * (size - 1);\n const py = v3 * (size - 1);\n const pz = w * (size - 1);\n const minX = Math.floor(px);\n const minY = Math.floor(py);\n const minZ = Math.floor(pz);\n const maxX = Math.ceil(px);\n const maxY = Math.ceil(py);\n const maxZ = Math.ceil(pz);\n const su = px - minX;\n const sv = py - minY;\n const sw = pz - minZ;\n if (minX === px && minY === py && minZ === pz) {\n sample(data, size, px, py, pz, color2);\n } else {\n let vertices;\n if (su >= sv && sv >= sw) {\n vertices = T[0];\n } else if (su >= sw && sw >= sv) {\n vertices = T[1];\n } else if (sw >= su && su >= sv) {\n vertices = T[2];\n } else if (sv >= su && su >= sw) {\n vertices = T[3];\n } else if (sv >= sw && sw >= su) {\n vertices = T[4];\n } else if (sw >= sv && sv >= su) {\n vertices = T[5];\n }\n const [P0, P1, P2, P3] = vertices;\n const coords = P[0];\n coords[0] = su;\n coords[1] = sv;\n coords[2] = sw;\n const tmp = P[1];\n const diffX = maxX - minX;\n const diffY = maxY - minY;\n const diffZ = maxZ - minZ;\n tmp[0] = diffX * P0[0] + minX;\n tmp[1] = diffY * P0[1] + minY;\n tmp[2] = diffZ * P0[2] + minZ;\n sample(data, size, tmp[0], tmp[1], tmp[2], C[0]);\n tmp[0] = diffX * P1[0] + minX;\n tmp[1] = diffY * P1[1] + minY;\n tmp[2] = diffZ * P1[2] + minZ;\n sample(data, size, tmp[0], tmp[1], tmp[2], C[1]);\n tmp[0] = diffX * P2[0] + minX;\n tmp[1] = diffY * P2[1] + minY;\n tmp[2] = diffZ * P2[2] + minZ;\n sample(data, size, tmp[0], tmp[1], tmp[2], C[2]);\n tmp[0] = diffX * P3[0] + minX;\n tmp[1] = diffY * P3[1] + minY;\n tmp[2] = diffZ * P3[2] + minZ;\n sample(data, size, tmp[0], tmp[1], tmp[2], C[3]);\n const V0 = calculateTetrahedronVolume(P1, P2, P3, coords) * 6;\n const V1 = calculateTetrahedronVolume(P0, P2, P3, coords) * 6;\n const V2 = calculateTetrahedronVolume(P0, P1, P3, coords) * 6;\n const V3 = calculateTetrahedronVolume(P0, P1, P2, coords) * 6;\n C[0][0] *= V0;\n C[0][1] *= V0;\n C[0][2] *= V0;\n C[1][0] *= V1;\n C[1][1] *= V1;\n C[1][2] *= V1;\n C[2][0] *= V2;\n C[2][1] *= V2;\n C[2][2] *= V2;\n C[3][0] *= V3;\n C[3][1] *= V3;\n C[3][2] *= V3;\n color2[0] = C[0][0] + C[1][0] + C[2][0] + C[3][0];\n color2[1] = C[0][1] + C[1][1] + C[2][1] + C[3][1];\n color2[2] = C[0][2] + C[1][2] + C[2][2] + C[3][2];\n }\n}\nvar TetrahedralUpscaler = class {\n static expand(data, size) {\n const originalSize = Math.cbrt(data.length / 4);\n const rgb = new Float32Array(3);\n const array = new data.constructor(size ** 3 * 4);\n const maxValue = data instanceof Uint8Array ? 255 : 1;\n const sizeSq = size ** 2;\n const s = 1 / (size - 1);\n for (let z = 0; z < size; ++z) {\n for (let y = 0; y < size; ++y) {\n for (let x = 0; x < size; ++x) {\n const u = x * s;\n const v3 = y * s;\n const w = z * s;\n const i4 = Math.round(x + y * size + z * sizeSq) * 4;\n tetrahedralSample(data, originalSize, u, v3, w, rgb);\n array[i4 + 0] = rgb[0];\n array[i4 + 1] = rgb[1];\n array[i4 + 2] = rgb[2];\n array[i4 + 3] = maxValue;\n }\n }\n }\n return array;\n }\n};\n\n// src/textures/smaa/SMAAAreaImageData.js\nvar area = [\n new Float32Array(2),\n new Float32Array(2)\n];\nvar ORTHOGONAL_SIZE = 16;\nvar DIAGONAL_SIZE = 20;\nvar DIAGONAL_SAMPLES = 30;\nvar SMOOTH_MAX_DISTANCE = 32;\nvar orthogonalSubsamplingOffsets = new Float32Array([\n 0,\n -0.25,\n 0.25,\n -0.125,\n 0.125,\n -0.375,\n 0.375\n]);\nvar diagonalSubsamplingOffsets = [\n new Float32Array([0, 0]),\n new Float32Array([0.25, -0.25]),\n new Float32Array([-0.25, 0.25]),\n new Float32Array([0.125, -0.125]),\n new Float32Array([-0.125, 0.125])\n];\nvar orthogonalEdges = [\n new Uint8Array([0, 0]),\n new Uint8Array([3, 0]),\n new Uint8Array([0, 3]),\n new Uint8Array([3, 3]),\n new Uint8Array([1, 0]),\n new Uint8Array([4, 0]),\n new Uint8Array([1, 3]),\n new Uint8Array([4, 3]),\n new Uint8Array([0, 1]),\n new Uint8Array([3, 1]),\n new Uint8Array([0, 4]),\n new Uint8Array([3, 4]),\n new Uint8Array([1, 1]),\n new Uint8Array([4, 1]),\n new Uint8Array([1, 4]),\n new Uint8Array([4, 4])\n];\nvar diagonalEdges = [\n new Uint8Array([0, 0]),\n new Uint8Array([1, 0]),\n new Uint8Array([0, 2]),\n new Uint8Array([1, 2]),\n new Uint8Array([2, 0]),\n new Uint8Array([3, 0]),\n new Uint8Array([2, 2]),\n new Uint8Array([3, 2]),\n new Uint8Array([0, 1]),\n new Uint8Array([1, 1]),\n new Uint8Array([0, 3]),\n new Uint8Array([1, 3]),\n new Uint8Array([2, 1]),\n new Uint8Array([3, 1]),\n new Uint8Array([2, 3]),\n new Uint8Array([3, 3])\n];\nfunction lerp(a, b, p) {\n return a + (b - a) * p;\n}\nfunction saturate(a) {\n return Math.min(Math.max(a, 0), 1);\n}\nfunction smoothArea(d) {\n const a1 = area[0];\n const a2 = area[1];\n const b1X = Math.sqrt(a1[0] * 2) * 0.5;\n const b1Y = Math.sqrt(a1[1] * 2) * 0.5;\n const b2X = Math.sqrt(a2[0] * 2) * 0.5;\n const b2Y = Math.sqrt(a2[1] * 2) * 0.5;\n const p = saturate(d / SMOOTH_MAX_DISTANCE);\n a1[0] = lerp(b1X, a1[0], p);\n a1[1] = lerp(b1Y, a1[1], p);\n a2[0] = lerp(b2X, a2[0], p);\n a2[1] = lerp(b2Y, a2[1], p);\n}\nfunction getOrthArea(p1X, p1Y, p2X, p2Y, x, result) {\n const dX = p2X - p1X;\n const dY = p2Y - p1Y;\n const x1 = x;\n const x2 = x + 1;\n const y1 = p1Y + dY * (x1 - p1X) / dX;\n const y2 = p1Y + dY * (x2 - p1X) / dX;\n if (x1 >= p1X && x1 < p2X || x2 > p1X && x2 <= p2X) {\n if (Math.sign(y1) === Math.sign(y2) || Math.abs(y1) < 1e-4 || Math.abs(y2) < 1e-4) {\n const a = (y1 + y2) / 2;\n if (a < 0) {\n result[0] = Math.abs(a);\n result[1] = 0;\n } else {\n result[0] = 0;\n result[1] = Math.abs(a);\n }\n } else {\n const t = -p1Y * dX / dY + p1X;\n const tInt = Math.trunc(t);\n const a1 = t > p1X ? y1 * (t - tInt) / 2 : 0;\n const a2 = t < p2X ? y2 * (1 - (t - tInt)) / 2 : 0;\n const a = Math.abs(a1) > Math.abs(a2) ? a1 : -a2;\n if (a < 0) {\n result[0] = Math.abs(a1);\n result[1] = Math.abs(a2);\n } else {\n result[0] = Math.abs(a2);\n result[1] = Math.abs(a1);\n }\n }\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n return result;\n}\nfunction getOrthAreaForPattern(pattern, left, right, offset, result) {\n const a1 = area[0];\n const a2 = area[1];\n const o1 = 0.5 + offset;\n const o2 = 0.5 + offset - 1;\n const d = left + right + 1;\n switch (pattern) {\n case 0: {\n result[0] = 0;\n result[1] = 0;\n break;\n }\n case 1: {\n if (left <= right) {\n getOrthArea(0, o2, d / 2, 0, left, result);\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n break;\n }\n case 2: {\n if (left >= right) {\n getOrthArea(d / 2, 0, d, o2, left, result);\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n break;\n }\n case 3: {\n getOrthArea(0, o2, d / 2, 0, left, a1);\n getOrthArea(d / 2, 0, d, o2, left, a2);\n smoothArea(d, area);\n result[0] = a1[0] + a2[0];\n result[1] = a1[1] + a2[1];\n break;\n }\n case 4: {\n if (left <= right) {\n getOrthArea(0, o1, d / 2, 0, left, result);\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n break;\n }\n case 5: {\n result[0] = 0;\n result[1] = 0;\n break;\n }\n case 6: {\n if (Math.abs(offset) > 0) {\n getOrthArea(0, o1, d, o2, left, a1);\n getOrthArea(0, o1, d / 2, 0, left, a2);\n getOrthArea(d / 2, 0, d, o2, left, result);\n a2[0] = a2[0] + result[0];\n a2[1] = a2[1] + result[1];\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n } else {\n getOrthArea(0, o1, d, o2, left, result);\n }\n break;\n }\n case 7: {\n getOrthArea(0, o1, d, o2, left, result);\n break;\n }\n case 8: {\n if (left >= right) {\n getOrthArea(d / 2, 0, d, o1, left, result);\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n break;\n }\n case 9: {\n if (Math.abs(offset) > 0) {\n getOrthArea(0, o2, d, o1, left, a1);\n getOrthArea(0, o2, d / 2, 0, left, a2);\n getOrthArea(d / 2, 0, d, o1, left, result);\n a2[0] = a2[0] + result[0];\n a2[1] = a2[1] + result[1];\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n } else {\n getOrthArea(0, o2, d, o1, left, result);\n }\n break;\n }\n case 10: {\n result[0] = 0;\n result[1] = 0;\n break;\n }\n case 11: {\n getOrthArea(0, o2, d, o1, left, result);\n break;\n }\n case 12: {\n getOrthArea(0, o1, d / 2, 0, left, a1);\n getOrthArea(d / 2, 0, d, o1, left, a2);\n smoothArea(d, area);\n result[0] = a1[0] + a2[0];\n result[1] = a1[1] + a2[1];\n break;\n }\n case 13: {\n getOrthArea(0, o2, d, o1, left, result);\n break;\n }\n case 14: {\n getOrthArea(0, o1, d, o2, left, result);\n break;\n }\n case 15: {\n result[0] = 0;\n result[1] = 0;\n break;\n }\n }\n return result;\n}\nfunction isInsideArea(a1X, a1Y, a2X, a2Y, x, y) {\n let result = a1X === a2X && a1Y === a2Y;\n if (!result) {\n const xm = (a1X + a2X) / 2;\n const ym = (a1Y + a2Y) / 2;\n const a = a2Y - a1Y;\n const b = a1X - a2X;\n const c2 = a * (x - xm) + b * (y - ym);\n result = c2 > 0;\n }\n return result;\n}\nfunction getDiagAreaForPixel(a1X, a1Y, a2X, a2Y, pX, pY) {\n let n = 0;\n for (let y = 0; y < DIAGONAL_SAMPLES; ++y) {\n for (let x = 0; x < DIAGONAL_SAMPLES; ++x) {\n const offsetX = x / (DIAGONAL_SAMPLES - 1);\n const offsetY = y / (DIAGONAL_SAMPLES - 1);\n if (isInsideArea(a1X, a1Y, a2X, a2Y, pX + offsetX, pY + offsetY)) {\n ++n;\n }\n }\n }\n return n / (DIAGONAL_SAMPLES * DIAGONAL_SAMPLES);\n}\nfunction getDiagArea(pattern, a1X, a1Y, a2X, a2Y, left, offset, result) {\n const e = diagonalEdges[pattern];\n const e1 = e[0];\n const e2 = e[1];\n if (e1 > 0) {\n a1X += offset[0];\n a1Y += offset[1];\n }\n if (e2 > 0) {\n a2X += offset[0];\n a2Y += offset[1];\n }\n result[0] = 1 - getDiagAreaForPixel(a1X, a1Y, a2X, a2Y, 1 + left, 0 + left);\n result[1] = getDiagAreaForPixel(a1X, a1Y, a2X, a2Y, 1 + left, 1 + left);\n return result;\n}\nfunction getDiagAreaForPattern(pattern, left, right, offset, result) {\n const a1 = area[0];\n const a2 = area[1];\n const d = left + right + 1;\n switch (pattern) {\n case 0: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 1: {\n getDiagArea(pattern, 1, 0, 0 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 2: {\n getDiagArea(pattern, 0, 0, 1 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 3: {\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, result);\n break;\n }\n case 4: {\n getDiagArea(pattern, 1, 1, 0 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 5: {\n getDiagArea(pattern, 1, 1, 0 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 6: {\n getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, result);\n break;\n }\n case 7: {\n getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 8: {\n getDiagArea(pattern, 0, 0, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 9: {\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, result);\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, result);\n break;\n }\n case 10: {\n getDiagArea(pattern, 0, 0, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 11: {\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 12: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, result);\n break;\n }\n case 13: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 14: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 15: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n }\n return result;\n}\nfunction generatePatterns(patterns, offset, orthogonal) {\n const result = new Float32Array(2);\n for (let i = 0, l = patterns.length; i < l; ++i) {\n const pattern = patterns[i];\n const data = pattern.data;\n const size = pattern.width;\n for (let y = 0; y < size; ++y) {\n for (let x = 0; x < size; ++x) {\n if (orthogonal) {\n getOrthAreaForPattern(i, x, y, offset, result);\n } else {\n getDiagAreaForPattern(i, x, y, offset, result);\n }\n const c2 = (y * size + x) * 2;\n data[c2] = result[0] * 255;\n data[c2 + 1] = result[1] * 255;\n }\n }\n }\n}\nfunction assemble(baseX, baseY, patterns, edges2, size, orthogonal, target) {\n const dstData = target.data;\n const dstWidth = target.width;\n for (let i = 0, l = patterns.length; i < l; ++i) {\n const edge = edges2[i];\n const pattern = patterns[i];\n const srcData = pattern.data;\n const srcWidth = pattern.width;\n for (let y = 0; y < size; ++y) {\n for (let x = 0; x < size; ++x) {\n const pX = edge[0] * size + baseX + x;\n const pY = edge[1] * size + baseY + y;\n const c2 = (pY * dstWidth + pX) * 4;\n const d = orthogonal ? (y * y * srcWidth + x * x) * 2 : (y * srcWidth + x) * 2;\n dstData[c2] = srcData[d];\n dstData[c2 + 1] = srcData[d + 1];\n dstData[c2 + 2] = 0;\n dstData[c2 + 3] = 255;\n }\n }\n }\n}\nvar SMAAAreaImageData = class {\n static generate() {\n const width = 2 * 5 * ORTHOGONAL_SIZE;\n const height = orthogonalSubsamplingOffsets.length * 5 * ORTHOGONAL_SIZE;\n const data = new Uint8ClampedArray(width * height * 4);\n const result = new RawImageData(width, height, data);\n const orthPatternSize = Math.pow(ORTHOGONAL_SIZE - 1, 2) + 1;\n const diagPatternSize = DIAGONAL_SIZE;\n const orthogonalPatterns = [];\n const diagonalPatterns = [];\n for (let i = 3, l = data.length; i < l; i += 4) {\n data[i] = 255;\n }\n for (let i = 0; i < 16; ++i) {\n orthogonalPatterns.push(new RawImageData(\n orthPatternSize,\n orthPatternSize,\n new Uint8ClampedArray(orthPatternSize * orthPatternSize * 2),\n 2\n ));\n diagonalPatterns.push(new RawImageData(\n diagPatternSize,\n diagPatternSize,\n new Uint8ClampedArray(diagPatternSize * diagPatternSize * 2),\n 2\n ));\n }\n for (let i = 0, l = orthogonalSubsamplingOffsets.length; i < l; ++i) {\n generatePatterns(orthogonalPatterns, orthogonalSubsamplingOffsets[i], true);\n assemble(\n 0,\n 5 * ORTHOGONAL_SIZE * i,\n orthogonalPatterns,\n orthogonalEdges,\n ORTHOGONAL_SIZE,\n true,\n result\n );\n }\n for (let i = 0, l = diagonalSubsamplingOffsets.length; i < l; ++i) {\n generatePatterns(diagonalPatterns, diagonalSubsamplingOffsets[i], false);\n assemble(\n 5 * ORTHOGONAL_SIZE,\n 4 * DIAGONAL_SIZE * i,\n diagonalPatterns,\n diagonalEdges,\n DIAGONAL_SIZE,\n false,\n result\n );\n }\n return result;\n }\n};\n\n// src/textures/smaa/SMAAImageGenerator.js\nimport { LoadingManager } from \"three\";\n\n// tmp/smaa/worker.txt\nvar worker_default2 = '\"use strict\";(()=>{function q(t,a,s){let e=document.createElement(\"canvas\"),n=e.getContext(\"2d\");if(e.width=t,e.height=a,s instanceof Image)n.drawImage(s,0,0);else{let r=n.createImageData(t,a);r.data.set(s),n.putImageData(r,0,0)}return e}var m=class{constructor(a=0,s=0,e=null){this.width=a,this.height=s,this.data=e}toCanvas(){return typeof document==\"undefined\"?null:q(this.width,this.height,this.data)}static from(a){let{width:s,height:e}=a,n;if(a instanceof Image){let r=q(s,e,a);r!==null&&(n=r.getContext(\"2d\").getImageData(0,0,s,e).data)}else n=a.data;return new m(s,e,n)}};var M=[new Float32Array(2),new Float32Array(2)],D=16,W=20,I=30,j=32,v=new Float32Array([0,-.25,.25,-.125,.125,-.375,.375]),N=[new Float32Array([0,0]),new Float32Array([.25,-.25]),new Float32Array([-.25,.25]),new Float32Array([.125,-.125]),new Float32Array([-.125,.125])],z=[new Uint8Array([0,0]),new Uint8Array([3,0]),new Uint8Array([0,3]),new Uint8Array([3,3]),new Uint8Array([1,0]),new Uint8Array([4,0]),new Uint8Array([1,3]),new Uint8Array([4,3]),new Uint8Array([0,1]),new Uint8Array([3,1]),new Uint8Array([0,4]),new Uint8Array([3,4]),new Uint8Array([1,1]),new Uint8Array([4,1]),new Uint8Array([1,4]),new Uint8Array([4,4])],R=[new Uint8Array([0,0]),new Uint8Array([1,0]),new Uint8Array([0,2]),new Uint8Array([1,2]),new Uint8Array([2,0]),new Uint8Array([3,0]),new Uint8Array([2,2]),new Uint8Array([3,2]),new Uint8Array([0,1]),new Uint8Array([1,1]),new Uint8Array([0,3]),new Uint8Array([1,3]),new Uint8Array([2,1]),new Uint8Array([3,1]),new Uint8Array([2,3]),new Uint8Array([3,3])];function C(t,a,s){return t+(a-t)*s}function B(t){return Math.min(Math.max(t,0),1)}function _(t){let a=M[0],s=M[1],e=Math.sqrt(a[0]*2)*.5,n=Math.sqrt(a[1]*2)*.5,r=Math.sqrt(s[0]*2)*.5,o=Math.sqrt(s[1]*2)*.5,c=B(t/j);a[0]=C(e,a[0],c),a[1]=C(n,a[1],c),s[0]=C(r,s[0],c),s[1]=C(o,s[1],c)}function d(t,a,s,e,n,r){let o=s-t,c=e-a,h=n,i=n+1,w=a+c*(h-t)/o,g=a+c*(i-t)/o;if(h>=t&&ht&&i<=s)if(Math.sign(w)===Math.sign(g)||Math.abs(w)<1e-4||Math.abs(g)<1e-4){let b=(w+g)/2;b<0?(r[0]=Math.abs(b),r[1]=0):(r[0]=0,r[1]=Math.abs(b))}else{let b=-a*o/c+t,F=Math.trunc(b),k=b>t?w*(b-F)/2:0,U=bMath.abs(U)?k:-U)<0?(r[0]=Math.abs(k),r[1]=Math.abs(U)):(r[0]=Math.abs(U),r[1]=Math.abs(k))}else r[0]=0,r[1]=0;return r}function J(t,a,s,e,n){let r=M[0],o=M[1],c=.5+e,h=.5+e-1,i=a+s+1;switch(t){case 0:{n[0]=0,n[1]=0;break}case 1:{a<=s?d(0,h,i/2,0,a,n):(n[0]=0,n[1]=0);break}case 2:{a>=s?d(i/2,0,i,h,a,n):(n[0]=0,n[1]=0);break}case 3:{d(0,h,i/2,0,a,r),d(i/2,0,i,h,a,o),_(i,M),n[0]=r[0]+o[0],n[1]=r[1]+o[1];break}case 4:{a<=s?d(0,c,i/2,0,a,n):(n[0]=0,n[1]=0);break}case 5:{n[0]=0,n[1]=0;break}case 6:{Math.abs(e)>0?(d(0,c,i,h,a,r),d(0,c,i/2,0,a,o),d(i/2,0,i,h,a,n),o[0]=o[0]+n[0],o[1]=o[1]+n[1],n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2):d(0,c,i,h,a,n);break}case 7:{d(0,c,i,h,a,n);break}case 8:{a>=s?d(i/2,0,i,c,a,n):(n[0]=0,n[1]=0);break}case 9:{Math.abs(e)>0?(d(0,h,i,c,a,r),d(0,h,i/2,0,a,o),d(i/2,0,i,c,a,n),o[0]=o[0]+n[0],o[1]=o[1]+n[1],n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2):d(0,h,i,c,a,n);break}case 10:{n[0]=0,n[1]=0;break}case 11:{d(0,h,i,c,a,n);break}case 12:{d(0,c,i/2,0,a,r),d(i/2,0,i,c,a,o),_(i,M),n[0]=r[0]+o[0],n[1]=r[1]+o[1];break}case 13:{d(0,h,i,c,a,n);break}case 14:{d(0,c,i,h,a,n);break}case 15:{n[0]=0,n[1]=0;break}}return n}function K(t,a,s,e,n,r){let o=t===s&&a===e;if(!o){let c=(t+s)/2,h=(a+e)/2,i=e-a,w=t-s;o=i*(n-c)+w*(r-h)>0}return o}function G(t,a,s,e,n,r){let o=0;for(let c=0;c0&&(a+=o[0],s+=o[1]),w>0&&(e+=o[0],n+=o[1]),c[0]=1-G(a,s,e,n,1+r,0+r),c[1]=G(a,s,e,n,1+r,1+r),c}function Q(t,a,s,e,n){let r=M[0],o=M[1],c=a+s+1;switch(t){case 0:{A(t,1,1,1+c,1+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 1:{A(t,1,0,0+c,0+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 2:{A(t,0,0,1+c,0+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 3:{A(t,1,0,1+c,0+c,a,e,n);break}case 4:{A(t,1,1,0+c,0+c,a,e,r),A(t,1,1,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 5:{A(t,1,1,0+c,0+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 6:{A(t,1,1,1+c,0+c,a,e,n);break}case 7:{A(t,1,1,1+c,0+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 8:{A(t,0,0,1+c,1+c,a,e,r),A(t,1,0,1+c,1+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 9:{A(t,1,0,1+c,1+c,a,e,n),A(t,1,0,1+c,1+c,a,e,n);break}case 10:{A(t,0,0,1+c,1+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 11:{A(t,1,0,1+c,1+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 12:{A(t,1,1,1+c,1+c,a,e,n);break}case 13:{A(t,1,1,1+c,1+c,a,e,r),A(t,1,0,1+c,1+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 14:{A(t,1,1,1+c,1+c,a,e,r),A(t,1,1,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 15:{A(t,1,1,1+c,1+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}}return n}function T(t,a,s){let e=new Float32Array(2);for(let n=0,r=t.length;n{let a=S.generate(),s=E.generate();postMessage({areaImageData:a,searchImageData:s},[a.data.buffer,s.data.buffer]),close()});})();\\n';\n\n// src/textures/smaa/SMAAImageGenerator.js\nfunction generate(useCache = true) {\n const workerURL = URL.createObjectURL(new Blob([worker_default2], {\n type: \"text/javascript\"\n }));\n const worker = new Worker(workerURL);\n URL.revokeObjectURL(workerURL);\n return new Promise((resolve, reject) => {\n worker.addEventListener(\"error\", (event) => reject(event.error));\n worker.addEventListener(\"message\", (event) => {\n const searchImageData = RawImageData.from(event.data.searchImageData);\n const areaImageData = RawImageData.from(event.data.areaImageData);\n const urls = [\n searchImageData.toCanvas().toDataURL(\"image/png\", 1),\n areaImageData.toCanvas().toDataURL(\"image/png\", 1)\n ];\n if (useCache) {\n localStorage.setItem(\"smaa-search\", urls[0]);\n localStorage.setItem(\"smaa-area\", urls[1]);\n }\n resolve(urls);\n });\n worker.postMessage(null);\n });\n}\nvar SMAAImageGenerator = class {\n constructor() {\n this.disableCache = false;\n }\n setCacheEnabled(value) {\n this.disableCache = !value;\n }\n generate() {\n const useCache = !this.disableCache && window.localStorage !== void 0;\n const cachedURLs = useCache ? [\n localStorage.getItem(\"smaa-search\"),\n localStorage.getItem(\"smaa-area\")\n ] : [null, null];\n const promise = cachedURLs[0] !== null && cachedURLs[1] !== null ? Promise.resolve(cachedURLs) : generate(useCache);\n return promise.then((urls) => {\n return new Promise((resolve, reject) => {\n const searchImage = new Image();\n const areaImage = new Image();\n const manager = new LoadingManager();\n manager.onLoad = () => resolve([searchImage, areaImage]);\n manager.onError = reject;\n searchImage.addEventListener(\"error\", (e) => manager.itemError(\"smaa-search\"));\n areaImage.addEventListener(\"error\", (e) => manager.itemError(\"smaa-area\"));\n searchImage.addEventListener(\"load\", () => manager.itemEnd(\"smaa-search\"));\n areaImage.addEventListener(\"load\", () => manager.itemEnd(\"smaa-area\"));\n manager.itemStart(\"smaa-search\");\n manager.itemStart(\"smaa-area\");\n searchImage.src = urls[0];\n areaImage.src = urls[1];\n });\n });\n }\n};\n\n// src/textures/smaa/SMAASearchImageData.js\nvar edges = /* @__PURE__ */ new Map([\n [bilinear(0, 0, 0, 0), new Float32Array([0, 0, 0, 0])],\n [bilinear(0, 0, 0, 1), new Float32Array([0, 0, 0, 1])],\n [bilinear(0, 0, 1, 0), new Float32Array([0, 0, 1, 0])],\n [bilinear(0, 0, 1, 1), new Float32Array([0, 0, 1, 1])],\n [bilinear(0, 1, 0, 0), new Float32Array([0, 1, 0, 0])],\n [bilinear(0, 1, 0, 1), new Float32Array([0, 1, 0, 1])],\n [bilinear(0, 1, 1, 0), new Float32Array([0, 1, 1, 0])],\n [bilinear(0, 1, 1, 1), new Float32Array([0, 1, 1, 1])],\n [bilinear(1, 0, 0, 0), new Float32Array([1, 0, 0, 0])],\n [bilinear(1, 0, 0, 1), new Float32Array([1, 0, 0, 1])],\n [bilinear(1, 0, 1, 0), new Float32Array([1, 0, 1, 0])],\n [bilinear(1, 0, 1, 1), new Float32Array([1, 0, 1, 1])],\n [bilinear(1, 1, 0, 0), new Float32Array([1, 1, 0, 0])],\n [bilinear(1, 1, 0, 1), new Float32Array([1, 1, 0, 1])],\n [bilinear(1, 1, 1, 0), new Float32Array([1, 1, 1, 0])],\n [bilinear(1, 1, 1, 1), new Float32Array([1, 1, 1, 1])]\n]);\nfunction lerp2(a, b, p) {\n return a + (b - a) * p;\n}\nfunction bilinear(e0, e1, e2, e3) {\n const a = lerp2(e0, e1, 1 - 0.25);\n const b = lerp2(e2, e3, 1 - 0.25);\n return lerp2(a, b, 1 - 0.125);\n}\nfunction deltaLeft(left, top) {\n let d = 0;\n if (top[3] === 1) {\n d += 1;\n }\n if (d === 1 && top[2] === 1 && left[1] !== 1 && left[3] !== 1) {\n d += 1;\n }\n return d;\n}\nfunction deltaRight(left, top) {\n let d = 0;\n if (top[3] === 1 && left[1] !== 1 && left[3] !== 1) {\n d += 1;\n }\n if (d === 1 && top[2] === 1 && left[0] !== 1 && left[2] !== 1) {\n d += 1;\n }\n return d;\n}\nvar SMAASearchImageData = class {\n static generate() {\n const width = 66;\n const height = 33;\n const halfWidth = width / 2;\n const croppedWidth = 64;\n const croppedHeight = 16;\n const data = new Uint8ClampedArray(width * height);\n const croppedData = new Uint8ClampedArray(croppedWidth * croppedHeight * 4);\n for (let y = 0; y < height; ++y) {\n for (let x = 0; x < width; ++x) {\n const s = 0.03125 * x;\n const t = 0.03125 * y;\n if (edges.has(s) && edges.has(t)) {\n const e1 = edges.get(s);\n const e2 = edges.get(t);\n const i = y * width + x;\n data[i] = 127 * deltaLeft(e1, e2);\n data[i + halfWidth] = 127 * deltaRight(e1, e2);\n }\n }\n }\n for (let i = 0, y = height - croppedHeight; y < height; ++y) {\n for (let x = 0; x < croppedWidth; ++x, i += 4) {\n croppedData[i] = data[y * width + x];\n croppedData[i + 3] = 255;\n }\n }\n return new RawImageData(croppedWidth, croppedHeight, croppedData);\n }\n};\n\n// src/effects/glsl/lut-3d.frag\nvar lut_3d_default = \"uniform vec3 scale;uniform vec3 offset;\\n#ifdef CUSTOM_INPUT_DOMAIN\\nuniform vec3 domainMin;uniform vec3 domainMax;\\n#endif\\n#ifdef LUT_3D\\n#ifdef LUT_PRECISION_HIGH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler3D lut;\\n#else\\nuniform mediump sampler3D lut;\\n#endif\\n#else\\nuniform lowp sampler3D lut;\\n#endif\\nvec4 applyLUT(const in vec3 rgb){\\n#ifdef TETRAHEDRAL_INTERPOLATION\\nvec3 p=floor(rgb);vec3 f=rgb-p;vec3 v1=(p+0.5)*LUT_TEXEL_WIDTH;vec3 v4=(p+1.5)*LUT_TEXEL_WIDTH;vec3 v2,v3;vec3 frac;if(f.r>=f.g){if(f.g>f.b){frac=f.rgb;v2=vec3(v4.x,v1.y,v1.z);v3=vec3(v4.x,v4.y,v1.z);}else if(f.r>=f.b){frac=f.rbg;v2=vec3(v4.x,v1.y,v1.z);v3=vec3(v4.x,v1.y,v4.z);}else{frac=f.brg;v2=vec3(v1.x,v1.y,v4.z);v3=vec3(v4.x,v1.y,v4.z);}}else{if(f.b>f.g){frac=f.bgr;v2=vec3(v1.x,v1.y,v4.z);v3=vec3(v1.x,v4.y,v4.z);}else if(f.r>=f.b){frac=f.grb;v2=vec3(v1.x,v4.y,v1.z);v3=vec3(v4.x,v4.y,v1.z);}else{frac=f.gbr;v2=vec3(v1.x,v4.y,v1.z);v3=vec3(v1.x,v4.y,v4.z);}}vec4 n1=texture(lut,v1);vec4 n2=texture(lut,v2);vec4 n3=texture(lut,v3);vec4 n4=texture(lut,v4);vec4 weights=vec4(1.0-frac.x,frac.x-frac.y,frac.y-frac.z,frac.z);vec4 result=weights*mat4(vec4(n1.r,n2.r,n3.r,n4.r),vec4(n1.g,n2.g,n3.g,n4.g),vec4(n1.b,n2.b,n3.b,n4.b),vec4(1.0));return vec4(result.rgb,1.0);\\n#else\\nreturn texture(lut,rgb);\\n#endif\\n}\\n#else\\n#ifdef LUT_PRECISION_HIGH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D lut;\\n#else\\nuniform mediump sampler2D lut;\\n#endif\\n#else\\nuniform lowp sampler2D lut;\\n#endif\\nvec4 applyLUT(const in vec3 rgb){float slice=rgb.b*LUT_SIZE;float slice0=floor(slice);float interp=slice-slice0;float centeredInterp=interp-0.5;float slice1=slice0+sign(centeredInterp);\\n#ifdef LUT_STRIP_HORIZONTAL\\nfloat xOffset=clamp(rgb.r*LUT_TEXEL_HEIGHT,LUT_TEXEL_WIDTH*0.5,LUT_TEXEL_HEIGHT-LUT_TEXEL_WIDTH*0.5);vec2 uv0=vec2(slice0*LUT_TEXEL_HEIGHT+xOffset,rgb.g);vec2 uv1=vec2(slice1*LUT_TEXEL_HEIGHT+xOffset,rgb.g);\\n#else\\nfloat yOffset=clamp(rgb.g*LUT_TEXEL_WIDTH,LUT_TEXEL_HEIGHT*0.5,LUT_TEXEL_WIDTH-LUT_TEXEL_HEIGHT*0.5);vec2 uv0=vec2(rgb.r,slice0*LUT_TEXEL_WIDTH+yOffset);vec2 uv1=vec2(rgb.r,slice1*LUT_TEXEL_WIDTH+yOffset);\\n#endif\\nvec4 sample0=texture2D(lut,uv0);vec4 sample1=texture2D(lut,uv1);return mix(sample0,sample1,abs(centeredInterp));}\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 c=inputColor.rgb;\\n#ifdef CUSTOM_INPUT_DOMAIN\\nif(c.r>=domainMin.r&&c.g>=domainMin.g&&c.b>=domainMin.b&&c.r<=domainMax.r&&c.g<=domainMax.g&&c.b<=domainMax.b){c=applyLUT(scale*c+offset).rgb;}else{c=inputColor.rgb;}\\n#else\\n#if !defined(LUT_3D) || defined(TETRAHEDRAL_INTERPOLATION)\\nc=clamp(c,0.0,1.0);\\n#endif\\nc=applyLUT(scale*c+offset).rgb;\\n#endif\\noutputColor=vec4(c,inputColor.a);}\";\n\n// src/effects/LUT3DEffect.js\nvar LUT3DEffect = class extends Effect {\n constructor(lut, {\n blendFunction = BlendFunction.SRC,\n tetrahedralInterpolation = false,\n inputEncoding = sRGBEncoding14\n } = {}) {\n super(\"LUT3DEffect\", lut_3d_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"lut\", new Uniform37(null)],\n [\"scale\", new Uniform37(new Vector34())],\n [\"offset\", new Uniform37(new Vector34())],\n [\"domainMin\", new Uniform37(null)],\n [\"domainMax\", new Uniform37(null)]\n ])\n });\n this.tetrahedralInterpolation = tetrahedralInterpolation;\n this.inputColorSpace = inputEncoding;\n this.lut = lut;\n }\n get inputEncoding() {\n return this.inputColorSpace;\n }\n set inputEncoding(value) {\n this.inputColorSpace = value;\n }\n getInputEncoding() {\n return this.inputColorSpace;\n }\n setInputEncoding(value) {\n this.inputColorSpace = value;\n }\n getOutputEncoding() {\n return this.outputColorSpace;\n }\n get lut() {\n return this.uniforms.get(\"lut\").value;\n }\n set lut(value) {\n const defines = this.defines;\n const uniforms = this.uniforms;\n if (this.lut !== value) {\n uniforms.get(\"lut\").value = value;\n if (value !== null) {\n const image = value.image;\n const tetrahedralInterpolation = this.tetrahedralInterpolation;\n defines.clear();\n defines.set(\"LUT_SIZE\", Math.min(image.width, image.height).toFixed(16));\n defines.set(\"LUT_TEXEL_WIDTH\", (1 / image.width).toFixed(16));\n defines.set(\"LUT_TEXEL_HEIGHT\", (1 / image.height).toFixed(16));\n uniforms.get(\"domainMin\").value = null;\n uniforms.get(\"domainMax\").value = null;\n if (value.type === FloatType6 || value.type === HalfFloatType2) {\n defines.set(\"LUT_PRECISION_HIGH\", \"1\");\n }\n if (image.width > image.height) {\n defines.set(\"LUT_STRIP_HORIZONTAL\", \"1\");\n } else if (value instanceof DataTexture3D2) {\n defines.set(\"LUT_3D\", \"1\");\n }\n if (value instanceof LookupTexture) {\n const min = value.domainMin;\n const max = value.domainMax;\n if (min.x !== 0 || min.y !== 0 || min.z !== 0 || max.x !== 1 || max.y !== 1 || max.z !== 1) {\n defines.set(\"CUSTOM_INPUT_DOMAIN\", \"1\");\n uniforms.get(\"domainMin\").value = min.clone();\n uniforms.get(\"domainMax\").value = max.clone();\n }\n }\n this.tetrahedralInterpolation = tetrahedralInterpolation;\n }\n }\n }\n getLUT() {\n return this.lut;\n }\n setLUT(value) {\n this.lut = value;\n }\n updateScaleOffset() {\n const lut = this.lut;\n if (lut !== null) {\n const size = Math.min(lut.image.width, lut.image.height);\n const scale = this.uniforms.get(\"scale\").value;\n const offset = this.uniforms.get(\"offset\").value;\n if (this.tetrahedralInterpolation && lut instanceof DataTexture3D2) {\n if (this.defines.has(\"CUSTOM_INPUT_DOMAIN\")) {\n const domainScale = lut.domainMax.clone().sub(lut.domainMin);\n scale.setScalar(size - 1).divide(domainScale);\n offset.copy(lut.domainMin).negate().multiply(scale);\n } else {\n scale.setScalar(size - 1);\n offset.setScalar(0);\n }\n } else {\n if (this.defines.has(\"CUSTOM_INPUT_DOMAIN\")) {\n const domainScale = lut.domainMax.clone().sub(lut.domainMin).multiplyScalar(size);\n scale.setScalar(size - 1).divide(domainScale);\n offset.copy(lut.domainMin).negate().multiply(scale).addScalar(1 / (2 * size));\n } else {\n scale.setScalar((size - 1) / size);\n offset.setScalar(1 / (2 * size));\n }\n }\n }\n }\n configureTetrahedralInterpolation() {\n const lut = this.lut;\n if (lut !== null) {\n lut.minFilter = LinearFilter4;\n lut.magFilter = LinearFilter4;\n if (this.tetrahedralInterpolation) {\n if (lut instanceof DataTexture3D2) {\n lut.minFilter = NearestFilter7;\n lut.magFilter = NearestFilter7;\n } else {\n console.warn(\"Tetrahedral interpolation requires a 3D texture\");\n }\n }\n if (lut.source === void 0) {\n lut.needsUpdate = true;\n }\n }\n }\n get tetrahedralInterpolation() {\n return this.defines.has(\"TETRAHEDRAL_INTERPOLATION\");\n }\n set tetrahedralInterpolation(value) {\n if (value) {\n this.defines.set(\"TETRAHEDRAL_INTERPOLATION\", \"1\");\n } else {\n this.defines.delete(\"TETRAHEDRAL_INTERPOLATION\");\n }\n this.configureTetrahedralInterpolation();\n this.updateScaleOffset();\n this.setChanged();\n }\n setTetrahedralInterpolationEnabled(value) {\n this.tetrahedralInterpolation = value;\n }\n};\n\n// src/effects/glsl/noise.frag\nvar noise_default = \"void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 noise=vec3(rand(uv*time));\\n#ifdef PREMULTIPLY\\noutputColor=vec4(min(inputColor.rgb*noise,vec3(1.0)),inputColor.a);\\n#else\\noutputColor=vec4(noise,inputColor.a);\\n#endif\\n}\";\n\n// src/effects/NoiseEffect.js\nvar NoiseEffect = class extends Effect {\n constructor({ blendFunction = BlendFunction.SCREEN, premultiply = false } = {}) {\n super(\"NoiseEffect\", noise_default, { blendFunction });\n this.premultiply = premultiply;\n }\n get premultiply() {\n return this.defines.has(\"PREMULTIPLY\");\n }\n set premultiply(value) {\n if (this.premultiply !== value) {\n if (value) {\n this.defines.set(\"PREMULTIPLY\", \"1\");\n } else {\n this.defines.delete(\"PREMULTIPLY\");\n }\n this.setChanged();\n }\n }\n isPremultiplied() {\n return this.premultiply;\n }\n setPremultiplied(value) {\n this.premultiply = value;\n }\n};\n\n// src/effects/OutlineEffect.js\nimport { Color as Color6, RepeatWrapping as RepeatWrapping2, Uniform as Uniform38, UnsignedByteType as UnsignedByteType16, WebGLRenderTarget as WebGLRenderTarget18 } from \"three\";\n\n// src/effects/glsl/outline.frag\nvar outline_default3 = \"uniform lowp sampler2D edgeTexture;uniform lowp sampler2D maskTexture;uniform vec3 visibleEdgeColor;uniform vec3 hiddenEdgeColor;uniform float pulse;uniform float edgeStrength;\\n#ifdef USE_PATTERN\\nuniform lowp sampler2D patternTexture;varying vec2 vUvPattern;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec2 edge=texture2D(edgeTexture,uv).rg;vec2 mask=texture2D(maskTexture,uv).rg;\\n#ifndef X_RAY\\nedge.y=0.0;\\n#endif\\nedge*=(edgeStrength*mask.x*pulse);vec3 color=edge.x*visibleEdgeColor+edge.y*hiddenEdgeColor;float visibilityFactor=0.0;\\n#ifdef USE_PATTERN\\nvec4 patternColor=texelToLinear(texture2D(patternTexture,vUvPattern));\\n#ifdef X_RAY\\nfloat hiddenFactor=0.5;\\n#else\\nfloat hiddenFactor=0.0;\\n#endif\\nvisibilityFactor=(1.0-mask.y>0.0)?1.0:hiddenFactor;visibilityFactor*=(1.0-mask.x)*patternColor.a;color+=visibilityFactor*patternColor.rgb;\\n#endif\\nfloat alpha=max(max(edge.x,edge.y),visibilityFactor);\\n#ifdef ALPHA\\noutputColor=vec4(color,alpha);\\n#else\\noutputColor=vec4(color,max(alpha,inputColor.a));\\n#endif\\n}\";\n\n// src/effects/glsl/outline.vert\nvar outline_default4 = \"uniform float patternScale;varying vec2 vUvPattern;void mainSupport(const in vec2 uv){vUvPattern=uv*vec2(aspect,1.0)*patternScale;}\";\n\n// src/effects/OutlineEffect.js\nvar OutlineEffect = class extends Effect {\n constructor(scene, camera, {\n blendFunction = BlendFunction.SCREEN,\n patternTexture = null,\n patternScale = 1,\n edgeStrength = 1,\n pulseSpeed = 0,\n visibleEdgeColor = 16777215,\n hiddenEdgeColor = 2230538,\n kernelSize = KernelSize.VERY_SMALL,\n blur = false,\n xRay = true,\n multisampling = 0,\n resolutionScale = 0.5,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"OutlineEffect\", outline_default3, {\n uniforms: /* @__PURE__ */ new Map([\n [\"maskTexture\", new Uniform38(null)],\n [\"edgeTexture\", new Uniform38(null)],\n [\"edgeStrength\", new Uniform38(edgeStrength)],\n [\"visibleEdgeColor\", new Uniform38(new Color6(visibleEdgeColor))],\n [\"hiddenEdgeColor\", new Uniform38(new Color6(hiddenEdgeColor))],\n [\"pulse\", new Uniform38(1)],\n [\"patternScale\", new Uniform38(patternScale)],\n [\"patternTexture\", new Uniform38(null)]\n ])\n });\n this.blendMode.addEventListener(\"change\", (event) => {\n if (this.blendMode.getBlendFunction() === BlendFunction.ALPHA) {\n this.defines.set(\"ALPHA\", \"1\");\n } else {\n this.defines.delete(\"ALPHA\");\n }\n this.setChanged();\n });\n this.blendMode.setBlendFunction(blendFunction);\n this.patternTexture = patternTexture;\n this.xRay = xRay;\n this.scene = scene;\n this.camera = camera;\n this.renderTargetMask = new WebGLRenderTarget18(1, 1);\n this.renderTargetMask.samples = multisampling;\n this.renderTargetMask.texture.name = \"Outline.Mask\";\n this.uniforms.get(\"maskTexture\").value = this.renderTargetMask.texture;\n this.renderTargetOutline = new WebGLRenderTarget18(1, 1, { depthBuffer: false });\n this.renderTargetOutline.texture.name = \"Outline.Edges\";\n this.uniforms.get(\"edgeTexture\").value = this.renderTargetOutline.texture;\n this.clearPass = new ClearPass();\n this.clearPass.overrideClearColor = new Color6(0);\n this.clearPass.overrideClearAlpha = 1;\n this.depthPass = new DepthPass(scene, camera);\n this.maskPass = new RenderPass(scene, camera, new DepthComparisonMaterial(this.depthPass.texture, camera));\n const clearPass = this.maskPass.clearPass;\n clearPass.overrideClearColor = new Color6(16777215);\n clearPass.overrideClearAlpha = 1;\n this.blurPass = new KawaseBlurPass({ resolutionScale, resolutionX, resolutionY, kernelSize });\n this.blurPass.enabled = blur;\n const resolution = this.blurPass.resolution;\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.outlinePass = new ShaderPass(new OutlineMaterial());\n const outlineMaterial = this.outlinePass.fullscreenMaterial;\n outlineMaterial.inputBuffer = this.renderTargetMask.texture;\n this.time = 0;\n this.active = false;\n this.selection = new Selection();\n this.selection.layer = 10;\n this.pulseSpeed = pulseSpeed;\n }\n set mainScene(value) {\n this.scene = value;\n this.depthPass.mainScene = value;\n this.maskPass.mainScene = value;\n }\n set mainCamera(value) {\n this.camera = value;\n this.depthPass.mainCamera = value;\n this.maskPass.mainCamera = value;\n this.maskPass.overrideMaterial.copyCameraSettings(value);\n }\n get resolution() {\n return this.blurPass.resolution;\n }\n getResolution() {\n return this.blurPass.getResolution();\n }\n get multisampling() {\n return this.renderTargetMask.samples;\n }\n set multisampling(value) {\n this.renderTargetMask.samples = value;\n this.renderTargetMask.dispose();\n }\n get patternScale() {\n return this.uniforms.get(\"patternScale\").value;\n }\n set patternScale(value) {\n this.uniforms.get(\"patternScale\").value = value;\n }\n get edgeStrength() {\n return this.uniforms.get(\"edgeStrength\").value;\n }\n set edgeStrength(value) {\n this.uniforms.get(\"edgeStrength\").value = value;\n }\n get visibleEdgeColor() {\n return this.uniforms.get(\"visibleEdgeColor\").value;\n }\n set visibleEdgeColor(value) {\n this.uniforms.get(\"visibleEdgeColor\").value = value;\n }\n get hiddenEdgeColor() {\n return this.uniforms.get(\"hiddenEdgeColor\").value;\n }\n set hiddenEdgeColor(value) {\n this.uniforms.get(\"hiddenEdgeColor\").value = value;\n }\n getBlurPass() {\n return this.blurPass;\n }\n getSelection() {\n return this.selection;\n }\n getPulseSpeed() {\n return this.pulseSpeed;\n }\n setPulseSpeed(value) {\n this.pulseSpeed = value;\n }\n get width() {\n return this.resolution.width;\n }\n set width(value) {\n this.resolution.preferredWidth = value;\n }\n get height() {\n return this.resolution.height;\n }\n set height(value) {\n this.resolution.preferredHeight = value;\n }\n get selectionLayer() {\n return this.selection.layer;\n }\n set selectionLayer(value) {\n this.selection.layer = value;\n }\n get dithering() {\n return this.blurPass.dithering;\n }\n set dithering(value) {\n this.blurPass.dithering = value;\n }\n get kernelSize() {\n return this.blurPass.kernelSize;\n }\n set kernelSize(value) {\n this.blurPass.kernelSize = value;\n }\n get blur() {\n return this.blurPass.enabled;\n }\n set blur(value) {\n this.blurPass.enabled = value;\n }\n get xRay() {\n return this.defines.has(\"X_RAY\");\n }\n set xRay(value) {\n if (this.xRay !== value) {\n if (value) {\n this.defines.set(\"X_RAY\", \"1\");\n } else {\n this.defines.delete(\"X_RAY\");\n }\n this.setChanged();\n }\n }\n isXRayEnabled() {\n return this.xRay;\n }\n setXRayEnabled(value) {\n this.xRay = value;\n }\n get patternTexture() {\n return this.uniforms.get(\"patternTexture\").value;\n }\n set patternTexture(value) {\n if (value !== null) {\n value.wrapS = value.wrapT = RepeatWrapping2;\n this.defines.set(\"USE_PATTERN\", \"1\");\n this.setVertexShader(outline_default4);\n } else {\n this.defines.delete(\"USE_PATTERN\");\n this.setVertexShader(null);\n }\n if (this.renderer !== null) {\n const decoding = getTextureDecoding(value, this.renderer.capabilities.isWebGL2);\n this.defines.set(\"texelToLinear(texel)\", decoding);\n }\n this.uniforms.get(\"patternTexture\").value = value;\n this.setChanged();\n }\n setPatternTexture(value) {\n this.patternTexture = value;\n }\n getResolutionScale() {\n return this.resolution.scale;\n }\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n setSelection(objects) {\n this.selection.set(objects);\n return this;\n }\n clearSelection() {\n this.selection.clear();\n return this;\n }\n selectObject(object) {\n this.selection.add(object);\n return this;\n }\n deselectObject(object) {\n this.selection.delete(object);\n return this;\n }\n update(renderer, inputBuffer, deltaTime) {\n const scene = this.scene;\n const camera = this.camera;\n const selection = this.selection;\n const uniforms = this.uniforms;\n const pulse = uniforms.get(\"pulse\");\n const background = scene.background;\n const mask = camera.layers.mask;\n if (selection.size > 0) {\n scene.background = null;\n pulse.value = 1;\n if (this.pulseSpeed > 0) {\n pulse.value = Math.cos(this.time * this.pulseSpeed * 10) * 0.375 + 0.625;\n }\n this.active = true;\n this.time += deltaTime;\n selection.setVisible(false);\n this.depthPass.render(renderer);\n selection.setVisible(true);\n camera.layers.set(selection.layer);\n this.maskPass.render(renderer, this.renderTargetMask);\n camera.layers.mask = mask;\n scene.background = background;\n this.outlinePass.render(renderer, null, this.renderTargetOutline);\n if (this.blurPass.enabled) {\n this.blurPass.render(renderer, this.renderTargetOutline, this.renderTargetOutline);\n }\n } else if (this.active) {\n this.clearPass.render(renderer, this.renderTargetOutline);\n this.active = false;\n }\n }\n setSize(width, height) {\n this.blurPass.setSize(width, height);\n this.renderTargetMask.setSize(width, height);\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.depthPass.setSize(w, h);\n this.renderTargetOutline.setSize(w, h);\n this.outlinePass.fullscreenMaterial.setSize(w, h);\n }\n initialize(renderer, alpha, frameBufferType) {\n const texture = this.patternTexture;\n const decoding = getTextureDecoding(texture, renderer.capabilities.isWebGL2);\n this.defines.set(\"texelToLinear(texel)\", decoding);\n this.blurPass.initialize(renderer, alpha, UnsignedByteType16);\n if (frameBufferType !== void 0) {\n this.depthPass.initialize(renderer, alpha, frameBufferType);\n this.maskPass.initialize(renderer, alpha, frameBufferType);\n this.outlinePass.initialize(renderer, alpha, frameBufferType);\n }\n }\n};\n\n// src/effects/PixelationEffect.js\nimport { Uniform as Uniform39, Vector2 as Vector223, Vector4 as Vector43 } from \"three\";\n\n// src/effects/glsl/pixelation.frag\nvar pixelation_default = \"uniform bool active;uniform vec4 d;void mainUv(inout vec2 uv){if(active){uv=d.xy*(floor(uv*d.zw)+0.5);}}\";\n\n// src/effects/PixelationEffect.js\nvar PixelationEffect = class extends Effect {\n constructor(granularity = 30) {\n super(\"PixelationEffect\", pixelation_default, {\n uniforms: /* @__PURE__ */ new Map([\n [\"active\", new Uniform39(false)],\n [\"d\", new Uniform39(new Vector43())]\n ])\n });\n this.resolution = new Vector223();\n this._granularity = 0;\n this.granularity = granularity;\n }\n get granularity() {\n return this._granularity;\n }\n set granularity(value) {\n let d = Math.floor(value);\n if (d % 2 > 0) {\n d += 1;\n }\n this._granularity = d;\n this.uniforms.get(\"active\").value = d > 0;\n this.setSize(this.resolution.width, this.resolution.height);\n }\n getGranularity() {\n return this.granularity;\n }\n setGranularity(value) {\n this.granularity = value;\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.set(width, height);\n const d = this.granularity;\n const x = d / resolution.x;\n const y = d / resolution.y;\n this.uniforms.get(\"d\").value.set(x, y, 1 / x, 1 / y);\n }\n};\n\n// src/effects/RealisticBokehEffect.js\nimport { Uniform as Uniform40, Vector4 as Vector44 } from \"three\";\n\n// src/effects/glsl/realistic-bokeh.frag\nvar realistic_bokeh_default = \"uniform float focus;uniform float focalLength;uniform float fStop;uniform float maxBlur;uniform float luminanceThreshold;uniform float luminanceGain;uniform float bias;uniform float fringe;\\n#ifdef MANUAL_DOF\\nuniform vec4 dof;\\n#endif\\n#ifdef PENTAGON\\nfloat pentagon(const in vec2 coords){const vec4 HS0=vec4(1.0,0.0,0.0,1.0);const vec4 HS1=vec4(0.309016994,0.951056516,0.0,1.0);const vec4 HS2=vec4(-0.809016994,0.587785252,0.0,1.0);const vec4 HS3=vec4(-0.809016994,-0.587785252,0.0,1.0);const vec4 HS4=vec4(0.309016994,-0.951056516,0.0,1.0);const vec4 HS5=vec4(0.0,0.0,1.0,1.0);const vec4 ONE=vec4(1.0);const float P_FEATHER=0.4;const float N_FEATHER=-P_FEATHER;float inOrOut=-4.0;vec4 P=vec4(coords,vec2(RINGS_FLOAT-1.3));vec4 dist=vec4(dot(P,HS0),dot(P,HS1),dot(P,HS2),dot(P,HS3));dist=smoothstep(N_FEATHER,P_FEATHER,dist);inOrOut+=dot(dist,ONE);dist.x=dot(P,HS4);dist.y=HS5.w-abs(P.z);dist=smoothstep(N_FEATHER,P_FEATHER,dist);inOrOut+=dist.x;return clamp(inOrOut,0.0,1.0);}\\n#endif\\nvec3 processTexel(const in vec2 coords,const in float blur){vec2 scale=texelSize*fringe*blur;vec3 c=vec3(texture2D(inputBuffer,coords+vec2(0.0,1.0)*scale).r,texture2D(inputBuffer,coords+vec2(-0.866,-0.5)*scale).g,texture2D(inputBuffer,coords+vec2(0.866,-0.5)*scale).b);float luminance=linearToRelativeLuminance(c);float threshold=max((luminance-luminanceThreshold)*luminanceGain,0.0);return c+mix(vec3(0.0),c,threshold*blur);}float gather(const in float i,const in float j,const in float ringSamples,const in vec2 uv,const in vec2 blurFactor,const in float blur,inout vec3 color){float step=PI2/ringSamples;vec2 wh=vec2(cos(j*step)*i,sin(j*step)*i);\\n#ifdef PENTAGON\\nfloat p=pentagon(wh);\\n#else\\nfloat p=1.0;\\n#endif\\ncolor+=processTexel(wh*blurFactor+uv,blur)*mix(1.0,i/RINGS_FLOAT,bias)*p;return mix(1.0,i/RINGS_FLOAT,bias)*p;}void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(depth,cameraNear,cameraFar);float linearDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearDepth=depth;\\n#endif\\n#ifdef MANUAL_DOF\\nfloat focalPlane=linearDepth-focus;float farDoF=(focalPlane-dof.z)/dof.w;float nearDoF=(-focalPlane-dof.x)/dof.y;float blur=(focalPlane>0.0)?farDoF:nearDoF;\\n#else\\nconst float CIRCLE_OF_CONFUSION=0.03;float focalPlaneMM=focus*1000.0;float depthMM=linearDepth*1000.0;float focalPlane=(depthMM*focalLength)/(depthMM-focalLength);float farDoF=(focalPlaneMM*focalLength)/(focalPlaneMM-focalLength);float nearDoF=(focalPlaneMM-focalLength)/(focalPlaneMM*fStop*CIRCLE_OF_CONFUSION);float blur=abs(focalPlane-farDoF)*nearDoF;\\n#endif\\nconst int MAX_RING_SAMPLES=RINGS_INT*SAMPLES_INT;blur=clamp(blur,0.0,1.0);vec3 color=inputColor.rgb;if(blur>=0.05){vec2 blurFactor=blur*maxBlur*texelSize;float s=1.0;int ringSamples;for(int i=1;i<=RINGS_INT;i++){ringSamples=i*SAMPLES_INT;for(int j=0;j=ringSamples){break;}s+=gather(float(i),float(j),float(ringSamples),uv,blurFactor,blur,color);}}color/=s;}\\n#ifdef SHOW_FOCUS\\nfloat edge=0.002*linearDepth;float m=clamp(smoothstep(0.0,edge,blur),0.0,1.0);float e=clamp(smoothstep(1.0-edge,1.0,blur),0.0,1.0);color=mix(color,vec3(1.0,0.5,0.0),(1.0-m)*0.6);color=mix(color,vec3(0.0,0.5,1.0),((1.0-e)-(1.0-m))*0.2);\\n#endif\\noutputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/RealisticBokehEffect.js\nvar RealisticBokehEffect = class extends Effect {\n constructor({\n blendFunction,\n focus = 1,\n focalLength = 24,\n fStop = 0.9,\n luminanceThreshold = 0.5,\n luminanceGain = 2,\n bias = 0.5,\n fringe = 0.7,\n maxBlur = 1,\n rings = 3,\n samples = 2,\n showFocus = false,\n manualDoF = false,\n pentagon = false\n } = {}) {\n super(\"RealisticBokehEffect\", realistic_bokeh_default, {\n blendFunction,\n attributes: EffectAttribute.CONVOLUTION | EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"focus\", new Uniform40(focus)],\n [\"focalLength\", new Uniform40(focalLength)],\n [\"fStop\", new Uniform40(fStop)],\n [\"luminanceThreshold\", new Uniform40(luminanceThreshold)],\n [\"luminanceGain\", new Uniform40(luminanceGain)],\n [\"bias\", new Uniform40(bias)],\n [\"fringe\", new Uniform40(fringe)],\n [\"maxBlur\", new Uniform40(maxBlur)],\n [\"dof\", new Uniform40(null)]\n ])\n });\n this.rings = rings;\n this.samples = samples;\n this.showFocus = showFocus;\n this.manualDoF = manualDoF;\n this.pentagon = pentagon;\n }\n get rings() {\n return Number.parseInt(this.defines.get(\"RINGS_INT\"));\n }\n set rings(value) {\n const r = Math.floor(value);\n this.defines.set(\"RINGS_INT\", r.toFixed(0));\n this.defines.set(\"RINGS_FLOAT\", r.toFixed(1));\n this.setChanged();\n }\n get samples() {\n return Number.parseInt(this.defines.get(\"SAMPLES_INT\"));\n }\n set samples(value) {\n const s = Math.floor(value);\n this.defines.set(\"SAMPLES_INT\", s.toFixed(0));\n this.defines.set(\"SAMPLES_FLOAT\", s.toFixed(1));\n this.setChanged();\n }\n get showFocus() {\n return this.defines.has(\"SHOW_FOCUS\");\n }\n set showFocus(value) {\n if (this.showFocus !== value) {\n if (value) {\n this.defines.set(\"SHOW_FOCUS\", \"1\");\n } else {\n this.defines.delete(\"SHOW_FOCUS\");\n }\n this.setChanged();\n }\n }\n get manualDoF() {\n return this.defines.has(\"MANUAL_DOF\");\n }\n set manualDoF(value) {\n if (this.manualDoF !== value) {\n if (value) {\n this.defines.set(\"MANUAL_DOF\", \"1\");\n this.uniforms.get(\"dof\").value = new Vector44(0.2, 1, 0.2, 2);\n } else {\n this.defines.delete(\"MANUAL_DOF\");\n this.uniforms.get(\"dof\").value = null;\n }\n this.setChanged();\n }\n }\n get pentagon() {\n return this.defines.has(\"PENTAGON\");\n }\n set pentagon(value) {\n if (this.pentagon !== value) {\n if (value) {\n this.defines.set(\"PENTAGON\", \"1\");\n } else {\n this.defines.delete(\"PENTAGON\");\n }\n this.setChanged();\n }\n }\n};\n\n// src/effects/ScanlineEffect.js\nimport { Uniform as Uniform41, Vector2 as Vector224 } from \"three\";\n\n// src/effects/glsl/scanlines.frag\nvar scanlines_default = \"uniform float count;\\n#ifdef SCROLL\\nuniform float scrollSpeed;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){float y=uv.y;\\n#ifdef SCROLL\\ny+=time*scrollSpeed;\\n#endif\\nvec2 sl=vec2(sin(y*count),cos(y*count));outputColor=vec4(sl.xyx,inputColor.a);}\";\n\n// src/effects/ScanlineEffect.js\nvar ScanlineEffect = class extends Effect {\n constructor({ blendFunction = BlendFunction.OVERLAY, density = 1.25, scrollSpeed = 0 } = {}) {\n super(\"ScanlineEffect\", scanlines_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"count\", new Uniform41(0)],\n [\"scrollSpeed\", new Uniform41(0)]\n ])\n });\n this.resolution = new Vector224();\n this.d = density;\n this.scrollSpeed = scrollSpeed;\n }\n get density() {\n return this.d;\n }\n set density(value) {\n this.d = value;\n this.setSize(this.resolution.width, this.resolution.height);\n }\n getDensity() {\n return this.density;\n }\n setDensity(value) {\n this.density = value;\n }\n get scrollSpeed() {\n return this.uniforms.get(\"scrollSpeed\").value;\n }\n set scrollSpeed(value) {\n this.uniforms.get(\"scrollSpeed\").value = value;\n if (value === 0) {\n if (this.defines.delete(\"SCROLL\")) {\n this.setChanged();\n }\n } else if (!this.defines.has(\"SCROLL\")) {\n this.defines.set(\"SCROLL\", \"1\");\n this.setChanged();\n }\n }\n setSize(width, height) {\n this.resolution.set(width, height);\n this.uniforms.get(\"count\").value = Math.round(height * this.density);\n }\n};\n\n// src/effects/ShockWaveEffect.js\nimport { Uniform as Uniform42, Vector2 as Vector225, Vector3 as Vector35 } from \"three\";\n\n// src/effects/glsl/shock-wave.frag\nvar shock_wave_default = \"uniform bool active;uniform vec2 center;uniform float waveSize;uniform float radius;uniform float maxRadius;uniform float amplitude;varying float vSize;void mainUv(inout vec2 uv){if(active){vec2 aspectCorrection=vec2(aspect,1.0);vec2 difference=uv*aspectCorrection-center*aspectCorrection;float distance=sqrt(dot(difference,difference))*vSize;if(distance>radius){if(distance HALF_PI;\n if (uActive.value) {\n uniforms.get(\"cameraDistance\").value = camera.position.distanceTo(position);\n v2.copy(position).project(camera);\n this.screenPosition.set((v2.x + 1) * 0.5, (v2.y + 1) * 0.5);\n }\n this.time += delta * this.speed;\n const radius = this.time - waveSize;\n uniforms.get(\"radius\").value = radius;\n if (radius >= (uniforms.get(\"maxRadius\").value + waveSize) * 2) {\n this.active = false;\n uActive.value = false;\n }\n }\n }\n};\n\n// src/effects/SelectiveBloomEffect.js\nimport {\n BasicDepthPacking as BasicDepthPacking16,\n Color as Color7,\n NotEqualDepth as NotEqualDepth2,\n EqualDepth as EqualDepth2,\n RGBADepthPacking as RGBADepthPacking5,\n sRGBEncoding as sRGBEncoding15,\n WebGLRenderTarget as WebGLRenderTarget19\n} from \"three\";\nvar SelectiveBloomEffect = class extends BloomEffect {\n constructor(scene, camera, options) {\n super(options);\n this.setAttributes(this.getAttributes() | EffectAttribute.DEPTH);\n this.camera = camera;\n this.depthPass = new DepthPass(scene, camera);\n this.clearPass = new ClearPass(true, false, false);\n this.clearPass.overrideClearColor = new Color7(0);\n this.depthMaskPass = new ShaderPass(new DepthMaskMaterial());\n const depthMaskMaterial = this.depthMaskMaterial;\n depthMaskMaterial.copyCameraSettings(camera);\n depthMaskMaterial.depthBuffer1 = this.depthPass.texture;\n depthMaskMaterial.depthPacking1 = RGBADepthPacking5;\n depthMaskMaterial.depthMode = EqualDepth2;\n this.renderTargetMasked = new WebGLRenderTarget19(1, 1, { depthBuffer: false });\n this.renderTargetMasked.texture.name = \"Bloom.Masked\";\n this.selection = new Selection();\n this.selection.layer = 11;\n this._inverted = false;\n this._ignoreBackground = false;\n }\n set mainScene(value) {\n this.depthPass.mainScene = value;\n }\n set mainCamera(value) {\n this.camera = value;\n this.depthPass.mainCamera = value;\n this.depthMaskMaterial.copyCameraSettings(value);\n }\n getSelection() {\n return this.selection;\n }\n get depthMaskMaterial() {\n return this.depthMaskPass.fullscreenMaterial;\n }\n get inverted() {\n return this._inverted;\n }\n set inverted(value) {\n this._inverted = value;\n this.depthMaskMaterial.depthMode = value ? NotEqualDepth2 : EqualDepth2;\n }\n isInverted() {\n return this.inverted;\n }\n setInverted(value) {\n this.inverted = value;\n }\n get ignoreBackground() {\n return this._ignoreBackground;\n }\n set ignoreBackground(value) {\n this._ignoreBackground = value;\n this.depthMaskMaterial.maxDepthStrategy = value ? DepthTestStrategy.DISCARD_MAX_DEPTH : DepthTestStrategy.KEEP_MAX_DEPTH;\n }\n isBackgroundDisabled() {\n return this.ignoreBackground;\n }\n setBackgroundDisabled(value) {\n this.ignoreBackground = value;\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking16) {\n this.depthMaskMaterial.depthBuffer0 = depthTexture;\n this.depthMaskMaterial.depthPacking0 = depthPacking;\n }\n update(renderer, inputBuffer, deltaTime) {\n const camera = this.camera;\n const selection = this.selection;\n const inverted = this.inverted;\n let renderTarget = inputBuffer;\n if (this.ignoreBackground || !inverted || selection.size > 0) {\n const mask = camera.layers.mask;\n camera.layers.set(selection.layer);\n this.depthPass.render(renderer);\n camera.layers.mask = mask;\n renderTarget = this.renderTargetMasked;\n this.clearPass.render(renderer, renderTarget);\n this.depthMaskPass.render(renderer, inputBuffer, renderTarget);\n }\n super.update(renderer, renderTarget, deltaTime);\n }\n setSize(width, height) {\n super.setSize(width, height);\n this.renderTargetMasked.setSize(width, height);\n this.depthPass.setSize(width, height);\n }\n initialize(renderer, alpha, frameBufferType) {\n super.initialize(renderer, alpha, frameBufferType);\n this.clearPass.initialize(renderer, alpha, frameBufferType);\n this.depthPass.initialize(renderer, alpha, frameBufferType);\n this.depthMaskPass.initialize(renderer, alpha, frameBufferType);\n if (frameBufferType !== void 0) {\n this.renderTargetMasked.texture.type = frameBufferType;\n if (renderer.outputEncoding === sRGBEncoding15) {\n this.renderTargetMasked.texture.encoding = sRGBEncoding15;\n }\n }\n }\n};\n\n// src/effects/SepiaEffect.js\nimport { Uniform as Uniform43, Vector3 as Vector36 } from \"three\";\n\n// src/effects/glsl/sepia.frag\nvar sepia_default = \"uniform vec3 weightsR;uniform vec3 weightsG;uniform vec3 weightsB;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=vec3(dot(inputColor.rgb,weightsR),dot(inputColor.rgb,weightsG),dot(inputColor.rgb,weightsB));outputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/SepiaEffect.js\nvar SepiaEffect = class extends Effect {\n constructor({ blendFunction, intensity = 1 } = {}) {\n super(\"SepiaEffect\", sepia_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"weightsR\", new Uniform43(new Vector36(0.393, 0.769, 0.189))],\n [\"weightsG\", new Uniform43(new Vector36(0.349, 0.686, 0.168))],\n [\"weightsB\", new Uniform43(new Vector36(0.272, 0.534, 0.131))]\n ])\n });\n }\n get intensity() {\n return this.blendMode.opacity.value;\n }\n set intensity(value) {\n this.blendMode.opacity.value = value;\n }\n getIntensity() {\n return this.intensity;\n }\n setIntensity(value) {\n this.intensity = value;\n }\n get weightsR() {\n return this.uniforms.get(\"weightsR\").value;\n }\n get weightsG() {\n return this.uniforms.get(\"weightsG\").value;\n }\n get weightsB() {\n return this.uniforms.get(\"weightsB\").value;\n }\n};\n\n// src/effects/SMAAEffect.js\nimport {\n BasicDepthPacking as BasicDepthPacking17,\n Color as Color8,\n LinearFilter as LinearFilter5,\n LoadingManager as LoadingManager2,\n NearestFilter as NearestFilter8,\n Texture as Texture3,\n Uniform as Uniform44,\n WebGLRenderTarget as WebGLRenderTarget20\n} from \"three\";\n\n// src/textures/smaa/searchImageDataURL.js\nvar searchImageDataURL_default = \"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEAAAAAQCAYAAACm53kpAAAAeElEQVRYR+2XSwqAMAxEJ168ePEqwRSKhIIiuHjJqiU0gWE+1CQdApcVAMUAuARaMGCX1MIL/Ow13++9lW2s3mW9MWvsnWc/2fvGygwPAN4E8QzAA4CXAB6AHjG4JTHYI1ey3pcx6FHnEfhLDOIBKAmUBK6/ANUDTlROXAHd9EC1AAAAAElFTkSuQmCC\";\n\n// src/textures/smaa/areaImageDataURL.js\nvar areaImageDataURL_default = \"data:image/png;base64,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\";\n\n// src/effects/glsl/smaa.frag\nvar smaa_default = \"uniform sampler2D weightMap;varying vec2 vOffset0;varying vec2 vOffset1;void movec(const in bvec2 c,inout vec2 variable,const in vec2 value){if(c.x){variable.x=value.x;}if(c.y){variable.y=value.y;}}void movec(const in bvec4 c,inout vec4 variable,const in vec4 value){movec(c.xy,variable.xy,value.xy);movec(c.zw,variable.zw,value.zw);}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec4 a;a.x=texture2D(weightMap,vOffset0).a;a.y=texture2D(weightMap,vOffset1).g;a.wz=texture2D(weightMap,uv).rb;vec4 color=inputColor;if(dot(a,vec4(1.0))>=1e-5){bool h=max(a.x,a.z)>max(a.y,a.w);vec4 blendingOffset=vec4(0.0,a.y,0.0,a.w);vec2 blendingWeight=a.yw;movec(bvec4(h),blendingOffset,vec4(a.x,0.0,a.z,0.0));movec(bvec2(h),blendingWeight,a.xz);blendingWeight/=dot(blendingWeight,vec2(1.0));vec4 blendingCoord=blendingOffset*vec4(texelSize,-texelSize)+uv.xyxy;color=blendingWeight.x*texture2D(inputBuffer,blendingCoord.xy);color+=blendingWeight.y*texture2D(inputBuffer,blendingCoord.zw);}outputColor=color;}\";\n\n// src/effects/glsl/smaa.vert\nvar smaa_default2 = \"varying vec2 vOffset0;varying vec2 vOffset1;void mainSupport(const in vec2 uv){vOffset0=uv+texelSize*vec2(1.0,0.0);vOffset1=uv+texelSize*vec2(0.0,1.0);}\";\n\n// src/effects/SMAAEffect.js\nvar SMAAEffect = class extends Effect {\n constructor({\n blendFunction = BlendFunction.SRC,\n preset = SMAAPreset.MEDIUM,\n edgeDetectionMode = EdgeDetectionMode.COLOR,\n predicationMode = PredicationMode.DISABLED\n } = {}) {\n super(\"SMAAEffect\", smaa_default, {\n vertexShader: smaa_default2,\n blendFunction,\n attributes: EffectAttribute.CONVOLUTION | EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"weightMap\", new Uniform44(null)]\n ])\n });\n let searchImage, areaImage;\n if (arguments.length > 1) {\n searchImage = arguments[0];\n areaImage = arguments[1];\n if (arguments.length > 2) {\n preset = arguments[2];\n }\n if (arguments.length > 3) {\n edgeDetectionMode = arguments[3];\n }\n }\n this.renderTargetEdges = new WebGLRenderTarget20(1, 1, { depthBuffer: false });\n this.renderTargetEdges.texture.name = \"SMAA.Edges\";\n this.renderTargetWeights = this.renderTargetEdges.clone();\n this.renderTargetWeights.texture.name = \"SMAA.Weights\";\n this.uniforms.get(\"weightMap\").value = this.renderTargetWeights.texture;\n this.clearPass = new ClearPass(true, false, false);\n this.clearPass.overrideClearColor = new Color8(0);\n this.clearPass.overrideClearAlpha = 1;\n this.edgeDetectionPass = new ShaderPass(new EdgeDetectionMaterial());\n this.edgeDetectionMaterial.edgeDetectionMode = edgeDetectionMode;\n this.edgeDetectionMaterial.predicationMode = predicationMode;\n this.weightsPass = new ShaderPass(new SMAAWeightsMaterial());\n const loadingManager = new LoadingManager2();\n loadingManager.onLoad = () => {\n const searchTexture = new Texture3(searchImage);\n searchTexture.name = \"SMAA.Search\";\n searchTexture.magFilter = NearestFilter8;\n searchTexture.minFilter = NearestFilter8;\n searchTexture.generateMipmaps = false;\n searchTexture.needsUpdate = true;\n searchTexture.flipY = true;\n this.weightsMaterial.searchTexture = searchTexture;\n const areaTexture = new Texture3(areaImage);\n areaTexture.name = \"SMAA.Area\";\n areaTexture.magFilter = LinearFilter5;\n areaTexture.minFilter = LinearFilter5;\n areaTexture.generateMipmaps = false;\n areaTexture.needsUpdate = true;\n areaTexture.flipY = false;\n this.weightsMaterial.areaTexture = areaTexture;\n this.dispatchEvent({ type: \"load\" });\n };\n loadingManager.itemStart(\"search\");\n loadingManager.itemStart(\"area\");\n if (searchImage !== void 0 && areaImage !== void 0) {\n loadingManager.itemEnd(\"search\");\n loadingManager.itemEnd(\"area\");\n } else if (typeof Image !== \"undefined\") {\n searchImage = new Image();\n areaImage = new Image();\n searchImage.addEventListener(\"load\", () => loadingManager.itemEnd(\"search\"));\n areaImage.addEventListener(\"load\", () => loadingManager.itemEnd(\"area\"));\n searchImage.src = searchImageDataURL_default;\n areaImage.src = areaImageDataURL_default;\n }\n this.applyPreset(preset);\n }\n get edgesTexture() {\n return this.renderTargetEdges.texture;\n }\n getEdgesTexture() {\n return this.edgesTexture;\n }\n get weightsTexture() {\n return this.renderTargetWeights.texture;\n }\n getWeightsTexture() {\n return this.weightsTexture;\n }\n get edgeDetectionMaterial() {\n return this.edgeDetectionPass.fullscreenMaterial;\n }\n get colorEdgesMaterial() {\n return this.edgeDetectionMaterial;\n }\n getEdgeDetectionMaterial() {\n return this.edgeDetectionMaterial;\n }\n get weightsMaterial() {\n return this.weightsPass.fullscreenMaterial;\n }\n getWeightsMaterial() {\n return this.weightsMaterial;\n }\n setEdgeDetectionThreshold(threshold) {\n this.edgeDetectionMaterial.edgeDetectionThreshold = threshold;\n }\n setOrthogonalSearchSteps(steps) {\n this.weightsMaterial.orthogonalSearchSteps = steps;\n }\n applyPreset(preset) {\n const edgeDetectionMaterial = this.edgeDetectionMaterial;\n const weightsMaterial = this.weightsMaterial;\n switch (preset) {\n case SMAAPreset.LOW:\n edgeDetectionMaterial.edgeDetectionThreshold = 0.15;\n weightsMaterial.orthogonalSearchSteps = 4;\n weightsMaterial.diagonalDetection = false;\n weightsMaterial.cornerDetection = false;\n break;\n case SMAAPreset.MEDIUM:\n edgeDetectionMaterial.edgeDetectionThreshold = 0.1;\n weightsMaterial.orthogonalSearchSteps = 8;\n weightsMaterial.diagonalDetection = false;\n weightsMaterial.cornerDetection = false;\n break;\n case SMAAPreset.HIGH:\n edgeDetectionMaterial.edgeDetectionThreshold = 0.1;\n weightsMaterial.orthogonalSearchSteps = 16;\n weightsMaterial.diagonalSearchSteps = 8;\n weightsMaterial.cornerRounding = 25;\n weightsMaterial.diagonalDetection = true;\n weightsMaterial.cornerDetection = true;\n break;\n case SMAAPreset.ULTRA:\n edgeDetectionMaterial.edgeDetectionThreshold = 0.05;\n weightsMaterial.orthogonalSearchSteps = 32;\n weightsMaterial.diagonalSearchSteps = 16;\n weightsMaterial.cornerRounding = 25;\n weightsMaterial.diagonalDetection = true;\n weightsMaterial.cornerDetection = true;\n break;\n }\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking17) {\n this.edgeDetectionMaterial.depthBuffer = depthTexture;\n this.edgeDetectionMaterial.depthPacking = depthPacking;\n }\n update(renderer, inputBuffer, deltaTime) {\n this.clearPass.render(renderer, this.renderTargetEdges);\n this.edgeDetectionPass.render(renderer, inputBuffer, this.renderTargetEdges);\n this.weightsPass.render(renderer, this.renderTargetEdges, this.renderTargetWeights);\n }\n setSize(width, height) {\n this.edgeDetectionMaterial.setSize(width, height);\n this.weightsMaterial.setSize(width, height);\n this.renderTargetEdges.setSize(width, height);\n this.renderTargetWeights.setSize(width, height);\n }\n dispose() {\n const { searchTexture, areaTexture } = this.weightsMaterial;\n if (searchTexture !== null && areaTexture !== null) {\n searchTexture.dispose();\n areaTexture.dispose();\n }\n super.dispose();\n }\n static get searchImageDataURL() {\n return searchImageDataURL_default;\n }\n static get areaImageDataURL() {\n return areaImageDataURL_default;\n }\n};\n\n// src/effects/SSAOEffect.js\nimport { BasicDepthPacking as BasicDepthPacking18, Color as Color9, RepeatWrapping as RepeatWrapping3, RGBAFormat as RGBAFormat5, Uniform as Uniform45, WebGLRenderTarget as WebGLRenderTarget21 } from \"three\";\n\n// src/effects/glsl/ssao.frag\nvar ssao_default3 = \"uniform lowp sampler2D aoBuffer;uniform float luminanceInfluence;uniform float intensity;\\n#if THREE_REVISION < 143\\n#define luminance(v) linearToRelativeLuminance(v)\\n#endif\\n#if defined(DEPTH_AWARE_UPSAMPLING) && defined(NORMAL_DEPTH)\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\n#endif\\n#ifdef COLORIZE\\nuniform vec3 color;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){float aoLinear=texture2D(aoBuffer,uv).r;\\n#if defined(DEPTH_AWARE_UPSAMPLING) && defined(NORMAL_DEPTH) && __VERSION__ == 300\\nvec4 normalDepth[4];normalDepth[0]=textureOffset(normalDepthBuffer,uv,ivec2(0,0));normalDepth[1]=textureOffset(normalDepthBuffer,uv,ivec2(0,1));normalDepth[2]=textureOffset(normalDepthBuffer,uv,ivec2(1,0));normalDepth[3]=textureOffset(normalDepthBuffer,uv,ivec2(1,1));float dot01=dot(normalDepth[0].rgb,normalDepth[1].rgb);float dot02=dot(normalDepth[0].rgb,normalDepth[2].rgb);float dot03=dot(normalDepth[0].rgb,normalDepth[3].rgb);float minDot=min(dot01,min(dot02,dot03));float s=step(THRESHOLD,minDot);float smallestDistance=1.0;int index;for(int i=0;i<4;++i){float distance=abs(depth-normalDepth[i].a);if(distance this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.camera = camera;\n this.depthDownsamplingPass = new DepthDownsamplingPass({ normalBuffer, resolutionScale });\n this.depthDownsamplingPass.enabled = normalDepthBuffer === null;\n this.ssaoPass = new ShaderPass(new SSAOMaterial(camera));\n const noiseTexture = new NoiseTexture(NOISE_TEXTURE_SIZE, NOISE_TEXTURE_SIZE, RGBAFormat5);\n noiseTexture.wrapS = noiseTexture.wrapT = RepeatWrapping3;\n const ssaoMaterial = this.ssaoMaterial;\n ssaoMaterial.normalBuffer = normalBuffer;\n ssaoMaterial.noiseTexture = noiseTexture;\n ssaoMaterial.minRadiusScale = minRadiusScale;\n ssaoMaterial.samples = samples;\n ssaoMaterial.radius = radius;\n ssaoMaterial.rings = rings;\n ssaoMaterial.fade = fade;\n ssaoMaterial.bias = bias;\n ssaoMaterial.distanceThreshold = distanceThreshold;\n ssaoMaterial.distanceFalloff = distanceFalloff;\n ssaoMaterial.proximityThreshold = rangeThreshold;\n ssaoMaterial.proximityFalloff = rangeFalloff;\n if (worldDistanceThreshold !== void 0) {\n ssaoMaterial.worldDistanceThreshold = worldDistanceThreshold;\n }\n if (worldDistanceFalloff !== void 0) {\n ssaoMaterial.worldDistanceFalloff = worldDistanceFalloff;\n }\n if (worldProximityThreshold !== void 0) {\n ssaoMaterial.worldProximityThreshold = worldProximityThreshold;\n }\n if (worldProximityFalloff !== void 0) {\n ssaoMaterial.worldProximityFalloff = worldProximityFalloff;\n }\n if (normalDepthBuffer !== null) {\n this.ssaoMaterial.normalDepthBuffer = normalDepthBuffer;\n this.defines.set(\"NORMAL_DEPTH\", \"1\");\n }\n this.depthAwareUpsampling = depthAwareUpsampling;\n this.color = color2;\n }\n set mainCamera(value) {\n this.camera = value;\n this.ssaoMaterial.copyCameraSettings(value);\n }\n getResolution() {\n return this.resolution;\n }\n get ssaoMaterial() {\n return this.ssaoPass.fullscreenMaterial;\n }\n getSSAOMaterial() {\n return this.ssaoMaterial;\n }\n get samples() {\n return this.ssaoMaterial.samples;\n }\n set samples(value) {\n this.ssaoMaterial.samples = value;\n }\n get rings() {\n return this.ssaoMaterial.rings;\n }\n set rings(value) {\n this.ssaoMaterial.rings = value;\n }\n get radius() {\n return this.ssaoMaterial.radius;\n }\n set radius(value) {\n this.ssaoMaterial.radius = value;\n }\n get depthAwareUpsampling() {\n return this.defines.has(\"DEPTH_AWARE_UPSAMPLING\");\n }\n set depthAwareUpsampling(value) {\n if (this.depthAwareUpsampling !== value) {\n if (value) {\n this.defines.set(\"DEPTH_AWARE_UPSAMPLING\", \"1\");\n } else {\n this.defines.delete(\"DEPTH_AWARE_UPSAMPLING\");\n }\n this.setChanged();\n }\n }\n isDepthAwareUpsamplingEnabled() {\n return this.depthAwareUpsampling;\n }\n setDepthAwareUpsamplingEnabled(value) {\n this.depthAwareUpsampling = value;\n }\n get distanceScaling() {\n return true;\n }\n set distanceScaling(value) {\n }\n get color() {\n return this.uniforms.get(\"color\").value;\n }\n set color(value) {\n const uniforms = this.uniforms;\n const defines = this.defines;\n if (value !== null) {\n if (defines.has(\"COLORIZE\")) {\n uniforms.get(\"color\").value.set(value);\n } else {\n defines.set(\"COLORIZE\", \"1\");\n uniforms.get(\"color\").value = new Color9(value);\n this.setChanged();\n }\n } else if (defines.has(\"COLORIZE\")) {\n defines.delete(\"COLORIZE\");\n uniforms.get(\"color\").value = null;\n this.setChanged();\n }\n }\n get luminanceInfluence() {\n return this.uniforms.get(\"luminanceInfluence\").value;\n }\n set luminanceInfluence(value) {\n this.uniforms.get(\"luminanceInfluence\").value = value;\n }\n get intensity() {\n return this.uniforms.get(\"intensity\").value;\n }\n set intensity(value) {\n this.uniforms.get(\"intensity\").value = value;\n }\n getColor() {\n return this.color;\n }\n setColor(value) {\n this.color = value;\n }\n setDistanceCutoff(threshold, falloff) {\n this.ssaoMaterial.distanceThreshold = threshold;\n this.ssaoMaterial.distanceFalloff = falloff;\n }\n setProximityCutoff(threshold, falloff) {\n this.ssaoMaterial.proximityThreshold = threshold;\n this.ssaoMaterial.proximityFalloff = falloff;\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking18) {\n this.depthDownsamplingPass.setDepthTexture(depthTexture, depthPacking);\n this.ssaoMaterial.depthBuffer = depthTexture;\n this.ssaoMaterial.depthPacking = depthPacking;\n }\n update(renderer, inputBuffer, deltaTime) {\n const renderTarget = this.renderTarget;\n if (this.depthDownsamplingPass.enabled) {\n this.depthDownsamplingPass.render(renderer);\n }\n this.ssaoPass.render(renderer, null, renderTarget);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.ssaoMaterial.copyCameraSettings(this.camera);\n this.ssaoMaterial.setSize(w, h);\n this.renderTarget.setSize(w, h);\n this.depthDownsamplingPass.resolution.scale = resolution.scale;\n this.depthDownsamplingPass.setSize(width, height);\n }\n initialize(renderer, alpha, frameBufferType) {\n try {\n let normalDepthBuffer = this.uniforms.get(\"normalDepthBuffer\").value;\n if (normalDepthBuffer === null) {\n this.depthDownsamplingPass.initialize(renderer, alpha, frameBufferType);\n normalDepthBuffer = this.depthDownsamplingPass.texture;\n this.uniforms.get(\"normalDepthBuffer\").value = normalDepthBuffer;\n this.ssaoMaterial.normalDepthBuffer = normalDepthBuffer;\n this.defines.set(\"NORMAL_DEPTH\", \"1\");\n }\n } catch (e) {\n this.depthDownsamplingPass.enabled = false;\n }\n }\n};\n\n// src/effects/TextureEffect.js\nimport { Uniform as Uniform46, UnsignedByteType as UnsignedByteType17 } from \"three\";\n\n// src/effects/glsl/texture.frag\nvar texture_default = \"#ifdef TEXTURE_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nvarying vec2 vUv2;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){\\n#ifdef UV_TRANSFORM\\nvec4 texel=texelToLinear(texture2D(map,vUv2));\\n#else\\nvec4 texel=texelToLinear(texture2D(map,uv));\\n#endif\\noutputColor=TEXEL;}\";\n\n// src/effects/glsl/texture.vert\nvar texture_default2 = \"#ifdef ASPECT_CORRECTION\\nuniform float scale;\\n#else\\nuniform mat3 uvTransform;\\n#endif\\nvarying vec2 vUv2;void mainSupport(const in vec2 uv){\\n#ifdef ASPECT_CORRECTION\\nvUv2=uv*vec2(aspect,1.0)*scale;\\n#else\\nvUv2=(uvTransform*vec3(uv,1.0)).xy;\\n#endif\\n}\";\n\n// src/effects/TextureEffect.js\nvar TextureEffect = class extends Effect {\n constructor({ blendFunction, texture = null, aspectCorrection = false } = {}) {\n super(\"TextureEffect\", texture_default, {\n blendFunction,\n defines: /* @__PURE__ */ new Map([\n [\"TEXEL\", \"texel\"]\n ]),\n uniforms: /* @__PURE__ */ new Map([\n [\"map\", new Uniform46(null)],\n [\"scale\", new Uniform46(1)],\n [\"uvTransform\", new Uniform46(null)]\n ])\n });\n this.texture = texture;\n this.aspectCorrection = aspectCorrection;\n }\n get texture() {\n return this.uniforms.get(\"map\").value;\n }\n set texture(value) {\n const prevTexture = this.texture;\n const uniforms = this.uniforms;\n const defines = this.defines;\n if (prevTexture !== value) {\n uniforms.get(\"map\").value = value;\n uniforms.get(\"uvTransform\").value = value.matrix;\n defines.delete(\"TEXTURE_PRECISION_HIGH\");\n if (this.renderer !== null) {\n const decoding = getTextureDecoding(value, this.renderer.capabilities.isWebGL2);\n defines.set(\"texelToLinear(texel)\", decoding);\n }\n if (value !== null) {\n if (value.matrixAutoUpdate) {\n defines.set(\"UV_TRANSFORM\", \"1\");\n this.setVertexShader(texture_default2);\n } else {\n defines.delete(\"UV_TRANSFORM\");\n this.setVertexShader(null);\n }\n if (value.type !== UnsignedByteType17) {\n defines.set(\"TEXTURE_PRECISION_HIGH\", \"1\");\n }\n if (prevTexture === null || prevTexture.type !== value.type || prevTexture.encoding !== value.encoding) {\n this.setChanged();\n }\n }\n }\n }\n getTexture() {\n return this.texture;\n }\n setTexture(value) {\n this.texture = value;\n }\n get aspectCorrection() {\n return this.defines.has(\"ASPECT_CORRECTION\");\n }\n set aspectCorrection(value) {\n if (this.aspectCorrection !== value) {\n if (value) {\n this.defines.set(\"ASPECT_CORRECTION\", \"1\");\n } else {\n this.defines.delete(\"ASPECT_CORRECTION\");\n }\n this.setChanged();\n }\n }\n get uvTransform() {\n const texture = this.texture;\n return texture !== null && texture.matrixAutoUpdate;\n }\n set uvTransform(value) {\n const texture = this.texture;\n if (texture !== null) {\n texture.matrixAutoUpdate = value;\n }\n }\n setTextureSwizzleRGBA(r, g = r, b = r, a = r) {\n const rgba = \"rgba\";\n let swizzle = \"\";\n if (r !== ColorChannel.RED || g !== ColorChannel.GREEN || b !== ColorChannel.BLUE || a !== ColorChannel.ALPHA) {\n swizzle = [\".\", rgba[r], rgba[g], rgba[b], rgba[a]].join(\"\");\n }\n this.defines.set(\"TEXEL\", \"texel\" + swizzle);\n this.setChanged();\n }\n update(renderer, inputBuffer, deltaTime) {\n if (this.texture.matrixAutoUpdate) {\n this.texture.updateMatrix();\n }\n }\n initialize(renderer, alpha, frameBufferType) {\n const decoding = getTextureDecoding(this.texture, renderer.capabilities.isWebGL2);\n this.defines.set(\"texelToLinear(texel)\", decoding);\n this.renderer = renderer;\n }\n};\n\n// src/effects/TiltShiftEffect.js\nimport { sRGBEncoding as sRGBEncoding16, Uniform as Uniform47, Vector2 as Vector226, Vector4 as Vector45, WebGLRenderTarget as WebGLRenderTarget22 } from \"three\";\n\n// src/effects/glsl/tilt-shift.frag\nvar tilt_shift_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nuniform vec4 maskParams;varying vec2 vUv2;float linearGradientMask(const in float x){return smoothstep(maskParams.x,maskParams.y,x)-smoothstep(maskParams.w,maskParams.z,x);}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){float mask=linearGradientMask(vUv2.y);vec4 texel=texture2D(map,uv);outputColor=mix(texel,inputColor,mask);}\";\n\n// src/effects/glsl/tilt-shift.vert\nvar tilt_shift_default2 = \"uniform vec2 rotation;varying vec2 vUv2;void mainSupport(const in vec2 uv){vUv2=(uv-0.5)*2.0*vec2(aspect,1.0);vUv2=vec2(dot(rotation,vUv2),dot(rotation,vec2(vUv2.y,-vUv2.x)));}\";\n\n// src/effects/TiltShiftEffect.js\nvar TiltShiftEffect = class extends Effect {\n constructor({\n blendFunction,\n offset = 0,\n rotation = 0,\n focusArea = 0.4,\n feather = 0.3,\n bias = 0.06,\n kernelSize = KernelSize.MEDIUM,\n resolutionScale = 0.5,\n resolutionX = Resolution.AUTO_SIZE,\n resolutionY = Resolution.AUTO_SIZE\n } = {}) {\n super(\"TiltShiftEffect\", tilt_shift_default, {\n vertexShader: tilt_shift_default2,\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"rotation\", new Uniform47(new Vector226())],\n [\"maskParams\", new Uniform47(new Vector45())],\n [\"map\", new Uniform47(null)]\n ])\n });\n this._offset = offset;\n this._focusArea = focusArea;\n this._feather = feather;\n this._bias = bias;\n this.renderTarget = new WebGLRenderTarget22(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"TiltShift.Target\";\n this.uniforms.get(\"map\").value = this.renderTarget.texture;\n this.blurPass = new TiltShiftBlurPass({\n kernelSize,\n resolutionScale,\n resolutionX,\n resolutionY,\n offset,\n rotation,\n focusArea,\n feather\n });\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.rotation = rotation;\n this.updateParams();\n }\n updateParams() {\n const params = this.uniforms.get(\"maskParams\").value;\n const a = Math.max(this.focusArea - this.bias, 0);\n const b = Math.max(a - Math.max(this.feather - this.bias, 0), 0);\n params.set(\n this.offset - a,\n this.offset - b,\n this.offset + a,\n this.offset + b\n );\n }\n get rotation() {\n return Math.acos(this.uniforms.get(\"rotation\").value.x);\n }\n set rotation(value) {\n this.uniforms.get(\"rotation\").value.set(Math.cos(value), Math.sin(value));\n this.blurPass.blurMaterial.rotation = value;\n }\n get offset() {\n return this._offset;\n }\n set offset(value) {\n this._offset = value;\n this.blurPass.blurMaterial.offset = value;\n this.updateParams();\n }\n get focusArea() {\n return this._focusArea;\n }\n set focusArea(value) {\n this._focusArea = value;\n this.blurPass.blurMaterial.focusArea = value;\n this.updateParams();\n }\n get feather() {\n return this._feather;\n }\n set feather(value) {\n this._feather = value;\n this.blurPass.blurMaterial.feather = value;\n this.updateParams();\n }\n get bias() {\n return this._bias;\n }\n set bias(value) {\n this._bias = value;\n this.updateParams();\n }\n update(renderer, inputBuffer, deltaTime) {\n this.blurPass.render(renderer, inputBuffer, this.renderTarget);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n this.blurPass.resolution.copy(resolution);\n }\n initialize(renderer, alpha, frameBufferType) {\n this.blurPass.initialize(renderer, alpha, frameBufferType);\n if (frameBufferType !== void 0) {\n this.renderTarget.texture.type = frameBufferType;\n if (renderer.outputEncoding === sRGBEncoding16) {\n this.renderTarget.texture.encoding = sRGBEncoding16;\n }\n }\n }\n};\n\n// src/effects/ToneMappingEffect.js\nimport { LinearMipmapLinearFilter, Uniform as Uniform48, WebGLRenderTarget as WebGLRenderTarget23 } from \"three\";\n\n// src/effects/glsl/tone-mapping.frag\nvar tone_mapping_default = \"#include \\n#if THREE_REVISION < 143\\n#define luminance(v) linearToRelativeLuminance(v)\\n#endif\\nuniform lowp sampler2D luminanceBuffer;uniform float whitePoint;uniform float middleGrey;\\n#if TONE_MAPPING_MODE != 2\\nuniform float averageLuminance;\\n#endif\\nvec3 Reinhard2ToneMapping(vec3 color){color*=toneMappingExposure;float l=luminance(color);\\n#if TONE_MAPPING_MODE == 2\\nfloat lumAvg=unpackRGBAToFloat(texture2D(luminanceBuffer,vec2(0.5)));\\n#else\\nfloat lumAvg=averageLuminance;\\n#endif\\nfloat lumScaled=(l*middleGrey)/max(lumAvg,1e-6);float lumCompressed=lumScaled*(1.0+lumScaled/(whitePoint*whitePoint));lumCompressed/=(1.0+lumScaled);return clamp(lumCompressed*color,0.0,1.0);}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){\\n#if TONE_MAPPING_MODE == 1 || TONE_MAPPING_MODE == 2\\noutputColor=vec4(Reinhard2ToneMapping(inputColor.rgb),inputColor.a);\\n#else\\noutputColor=vec4(toneMapping(inputColor.rgb),inputColor.a);\\n#endif\\n}\";\n\n// src/effects/ToneMappingEffect.js\nvar ToneMappingEffect = class extends Effect {\n constructor({\n blendFunction = BlendFunction.SRC,\n adaptive = true,\n mode = adaptive ? ToneMappingMode.REINHARD2_ADAPTIVE : ToneMappingMode.REINHARD2,\n resolution = 256,\n maxLuminance = 16,\n whitePoint = maxLuminance,\n middleGrey = 0.6,\n minLuminance = 0.01,\n averageLuminance = 1,\n adaptationRate = 1\n } = {}) {\n super(\"ToneMappingEffect\", tone_mapping_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"luminanceBuffer\", new Uniform48(null)],\n [\"maxLuminance\", new Uniform48(maxLuminance)],\n [\"whitePoint\", new Uniform48(whitePoint)],\n [\"middleGrey\", new Uniform48(middleGrey)],\n [\"averageLuminance\", new Uniform48(averageLuminance)]\n ])\n });\n this.renderTargetLuminance = new WebGLRenderTarget23(1, 1, {\n minFilter: LinearMipmapLinearFilter,\n depthBuffer: false\n });\n this.renderTargetLuminance.texture.generateMipmaps = true;\n this.renderTargetLuminance.texture.name = \"Luminance\";\n this.luminancePass = new LuminancePass({\n renderTarget: this.renderTargetLuminance\n });\n this.adaptiveLuminancePass = new AdaptiveLuminancePass(this.luminancePass.texture, {\n minLuminance,\n adaptationRate\n });\n this.uniforms.get(\"luminanceBuffer\").value = this.adaptiveLuminancePass.texture;\n this.resolution = resolution;\n this.mode = mode;\n }\n get mode() {\n return Number(this.defines.get(\"TONE_MAPPING_MODE\"));\n }\n set mode(value) {\n if (this.mode !== value) {\n this.defines.clear();\n this.defines.set(\"TONE_MAPPING_MODE\", value.toFixed(0));\n switch (value) {\n case ToneMappingMode.REINHARD:\n this.defines.set(\"toneMapping(texel)\", \"ReinhardToneMapping(texel)\");\n break;\n case ToneMappingMode.OPTIMIZED_CINEON:\n this.defines.set(\"toneMapping(texel)\", \"OptimizedCineonToneMapping(texel)\");\n break;\n case ToneMappingMode.ACES_FILMIC:\n this.defines.set(\"toneMapping(texel)\", \"ACESFilmicToneMapping(texel)\");\n break;\n default:\n this.defines.set(\"toneMapping(texel)\", \"texel\");\n break;\n }\n this.adaptiveLuminancePass.enabled = value === ToneMappingMode.REINHARD2_ADAPTIVE;\n this.setChanged();\n }\n }\n getMode() {\n return this.mode;\n }\n setMode(value) {\n this.mode = value;\n }\n get whitePoint() {\n return this.uniforms.get(\"whitePoint\").value;\n }\n set whitePoint(value) {\n this.uniforms.get(\"whitePoint\").value = value;\n }\n get middleGrey() {\n return this.uniforms.get(\"middleGrey\").value;\n }\n set middleGrey(value) {\n this.uniforms.get(\"middleGrey\").value = value;\n }\n get averageLuminance() {\n return this.uniforms.get(\"averageLuminance\").value;\n }\n set averageLuminance(value) {\n this.uniforms.get(\"averageLuminance\").value = value;\n }\n get adaptiveLuminanceMaterial() {\n return this.adaptiveLuminancePass.fullscreenMaterial;\n }\n getAdaptiveLuminanceMaterial() {\n return this.adaptiveLuminanceMaterial;\n }\n get resolution() {\n return this.luminancePass.resolution.width;\n }\n set resolution(value) {\n const exponent = Math.max(0, Math.ceil(Math.log2(value)));\n const size = Math.pow(2, exponent);\n this.luminancePass.resolution.setPreferredSize(size, size);\n this.adaptiveLuminanceMaterial.mipLevel1x1 = exponent;\n }\n getResolution() {\n return this.resolution;\n }\n setResolution(value) {\n this.resolution = value;\n }\n get adaptive() {\n return this.mode === ToneMappingMode.REINHARD2_ADAPTIVE;\n }\n set adaptive(value) {\n this.mode = value ? ToneMappingMode.REINHARD2_ADAPTIVE : ToneMappingMode.REINHARD2;\n }\n get adaptationRate() {\n return this.adaptiveLuminanceMaterial.adaptationRate;\n }\n set adaptationRate(value) {\n this.adaptiveLuminanceMaterial.adaptationRate = value;\n }\n get distinction() {\n console.warn(this.name, \"distinction was removed.\");\n return 1;\n }\n set distinction(value) {\n console.warn(this.name, \"distinction was removed.\");\n }\n update(renderer, inputBuffer, deltaTime) {\n if (this.adaptiveLuminancePass.enabled) {\n this.luminancePass.render(renderer, inputBuffer);\n this.adaptiveLuminancePass.render(renderer, null, null, deltaTime);\n }\n }\n initialize(renderer, alpha, frameBufferType) {\n this.adaptiveLuminancePass.initialize(renderer, alpha, frameBufferType);\n }\n};\n\n// src/effects/VignetteEffect.js\nimport { Uniform as Uniform49 } from \"three\";\n\n// src/effects/glsl/vignette.frag\nvar vignette_default = \"uniform float offset;uniform float darkness;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){const vec2 center=vec2(0.5);vec3 color=inputColor.rgb;\\n#if VIGNETTE_TECHNIQUE == 0\\nfloat d=distance(uv,center);color*=smoothstep(0.8,offset*0.799,d*(darkness+offset));\\n#else\\nvec2 coord=(uv-center)*vec2(offset);color=mix(color,vec3(1.0-darkness),dot(coord,coord));\\n#endif\\noutputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/VignetteEffect.js\nvar VignetteEffect = class extends Effect {\n constructor({\n blendFunction,\n technique = VignetteTechnique.DEFAULT,\n eskil = false,\n offset = 0.5,\n darkness = 0.5\n } = {}) {\n super(\"VignetteEffect\", vignette_default, {\n blendFunction,\n defines: /* @__PURE__ */ new Map([\n [\"VIGNETTE_TECHNIQUE\", technique.toFixed(0)]\n ]),\n uniforms: /* @__PURE__ */ new Map([\n [\"offset\", new Uniform49(offset)],\n [\"darkness\", new Uniform49(darkness)]\n ])\n });\n }\n get technique() {\n return Number(this.defines.get(\"VIGNETTE_TECHNIQUE\"));\n }\n set technique(value) {\n if (this.technique !== value) {\n this.defines.set(\"VIGNETTE_TECHNIQUE\", value.toFixed(0));\n this.setChanged();\n }\n }\n get eskil() {\n return this.technique === VignetteTechnique.ESKIL;\n }\n set eskil(value) {\n this.technique = value ? VignetteTechnique.ESKIL : VignetteTechnique.DEFAULT;\n }\n getTechnique() {\n return this.technique;\n }\n setTechnique(value) {\n this.technique = value;\n }\n get offset() {\n return this.uniforms.get(\"offset\").value;\n }\n set offset(value) {\n this.uniforms.get(\"offset\").value = value;\n }\n getOffset() {\n return this.offset;\n }\n setOffset(value) {\n this.offset = value;\n }\n get darkness() {\n return this.uniforms.get(\"darkness\").value;\n }\n set darkness(value) {\n this.uniforms.get(\"darkness\").value = value;\n }\n getDarkness() {\n return this.darkness;\n }\n setDarkness(value) {\n this.darkness = value;\n }\n};\n\n// src/loaders/LUT3dlLoader.js\nimport { FileLoader, Loader, LoadingManager as LoadingManager3 } from \"three\";\nvar LUT3dlLoader = class extends Loader {\n load(url, onLoad = () => {\n }, onProgress = () => {\n }, onError = null) {\n const externalManager = this.manager;\n const internalManager = new LoadingManager3();\n const loader = new FileLoader(internalManager);\n loader.setPath(this.path);\n loader.setResponseType(\"text\");\n return new Promise((resolve, reject) => {\n internalManager.onError = (url2) => {\n externalManager.itemError(url2);\n if (onError !== null) {\n onError(`Failed to load ${url2}`);\n resolve();\n } else {\n reject(`Failed to load ${url2}`);\n }\n };\n externalManager.itemStart(url);\n loader.load(url, (data) => {\n try {\n const result = this.parse(data);\n externalManager.itemEnd(url);\n onLoad(result);\n resolve(result);\n } catch (e) {\n console.error(e);\n internalManager.onError(url);\n }\n }, onProgress);\n });\n }\n parse(input) {\n const regExpGridInfo = /^[\\d ]+$/m;\n const regExpDataPoints = /^([\\d.e+-]+) +([\\d.e+-]+) +([\\d.e+-]+) *$/gm;\n let result = regExpGridInfo.exec(input);\n if (result === null) {\n throw new Error(\"Missing grid information\");\n }\n const gridLines = result[0].trim().split(/\\s+/g).map((n) => Number(n));\n const gridStep = gridLines[1] - gridLines[0];\n const size = gridLines.length;\n const sizeSq = size ** 2;\n for (let i = 1, l = gridLines.length; i < l; ++i) {\n if (gridStep !== gridLines[i] - gridLines[i - 1]) {\n throw new Error(\"Inconsistent grid size\");\n }\n }\n const data = new Float32Array(size ** 3 * 4);\n let maxValue = 0;\n let index = 0;\n while ((result = regExpDataPoints.exec(input)) !== null) {\n const r = Number(result[1]);\n const g = Number(result[2]);\n const b = Number(result[3]);\n maxValue = Math.max(maxValue, r, g, b);\n const bLayer = index % size;\n const gLayer = Math.floor(index / size) % size;\n const rLayer = Math.floor(index / sizeSq) % size;\n const d4 = (bLayer * sizeSq + gLayer * size + rLayer) * 4;\n data[d4 + 0] = r;\n data[d4 + 1] = g;\n data[d4 + 2] = b;\n data[d4 + 3] = 1;\n ++index;\n }\n const bits = Math.ceil(Math.log2(maxValue));\n const maxBitValue = Math.pow(2, bits);\n for (let i = 0, l = data.length; i < l; i += 4) {\n data[i + 0] /= maxBitValue;\n data[i + 1] /= maxBitValue;\n data[i + 2] /= maxBitValue;\n }\n return new LookupTexture(data, size);\n }\n};\n\n// src/loaders/LUTCubeLoader.js\nimport { FileLoader as FileLoader2, Loader as Loader2, LoadingManager as LoadingManager4, Vector3 as Vector37 } from \"three\";\nvar LUTCubeLoader = class extends Loader2 {\n load(url, onLoad = () => {\n }, onProgress = () => {\n }, onError = null) {\n const externalManager = this.manager;\n const internalManager = new LoadingManager4();\n const loader = new FileLoader2(internalManager);\n loader.setPath(this.path);\n loader.setResponseType(\"text\");\n return new Promise((resolve, reject) => {\n internalManager.onError = (url2) => {\n externalManager.itemError(url2);\n if (onError !== null) {\n onError(`Failed to load ${url2}`);\n resolve();\n } else {\n reject(`Failed to load ${url2}`);\n }\n };\n externalManager.itemStart(url);\n loader.load(url, (data) => {\n try {\n const result = this.parse(data);\n externalManager.itemEnd(url);\n onLoad(result);\n resolve(result);\n } catch (e) {\n console.error(e);\n internalManager.onError(url);\n }\n }, onProgress);\n });\n }\n parse(input) {\n const regExpTitle = /TITLE +\"([^\"]*)\"/;\n const regExpSize = /LUT_3D_SIZE +(\\d+)/;\n const regExpDomainMin = /DOMAIN_MIN +([\\d.]+) +([\\d.]+) +([\\d.]+)/;\n const regExpDomainMax = /DOMAIN_MAX +([\\d.]+) +([\\d.]+) +([\\d.]+)/;\n const regExpDataPoints = /^([\\d.e+-]+) +([\\d.e+-]+) +([\\d.e+-]+) *$/gm;\n let result = regExpTitle.exec(input);\n const title = result !== null ? result[1] : null;\n result = regExpSize.exec(input);\n if (result === null) {\n throw new Error(\"Missing LUT_3D_SIZE information\");\n }\n const size = Number(result[1]);\n const data = new Float32Array(size ** 3 * 4);\n const domainMin = new Vector37(0, 0, 0);\n const domainMax = new Vector37(1, 1, 1);\n result = regExpDomainMin.exec(input);\n if (result !== null) {\n domainMin.set(Number(result[1]), Number(result[2]), Number(result[3]));\n }\n result = regExpDomainMax.exec(input);\n if (result !== null) {\n domainMax.set(Number(result[1]), Number(result[2]), Number(result[3]));\n }\n if (domainMin.x > domainMax.x || domainMin.y > domainMax.y || domainMin.z > domainMax.z) {\n domainMin.set(0, 0, 0);\n domainMax.set(1, 1, 1);\n throw new Error(\"Invalid input domain\");\n }\n let i = 0;\n while ((result = regExpDataPoints.exec(input)) !== null) {\n data[i++] = Number(result[1]);\n data[i++] = Number(result[2]);\n data[i++] = Number(result[3]);\n data[i++] = 1;\n }\n const lut = new LookupTexture(data, size);\n lut.domainMin.copy(domainMin);\n lut.domainMax.copy(domainMax);\n if (title !== null) {\n lut.name = title;\n }\n return lut;\n }\n};\n\n// src/loaders/SMAAImageLoader.js\nimport { Loader as Loader3, LoadingManager as LoadingManager5 } from \"three\";\nvar SMAAImageLoader = class extends Loader3 {\n load(onLoad = () => {\n }, onError = null) {\n if (arguments.length === 4) {\n onLoad = arguments[1];\n onError = arguments[3];\n } else if (arguments.length === 3 || typeof arguments[0] !== \"function\") {\n onLoad = arguments[1];\n onError = null;\n }\n const externalManager = this.manager;\n const internalManager = new LoadingManager5();\n return new Promise((resolve, reject) => {\n const searchImage = new Image();\n const areaImage = new Image();\n internalManager.onError = (url) => {\n externalManager.itemError(url);\n if (onError !== null) {\n onError(`Failed to load ${url}`);\n resolve();\n } else {\n reject(`Failed to load ${url}`);\n }\n };\n internalManager.onLoad = () => {\n const result = [searchImage, areaImage];\n onLoad(result);\n resolve(result);\n };\n searchImage.addEventListener(\"error\", (e) => {\n internalManager.itemError(\"smaa-search\");\n });\n areaImage.addEventListener(\"error\", (e) => {\n internalManager.itemError(\"smaa-area\");\n });\n searchImage.addEventListener(\"load\", () => {\n externalManager.itemEnd(\"smaa-search\");\n internalManager.itemEnd(\"smaa-search\");\n });\n areaImage.addEventListener(\"load\", () => {\n externalManager.itemEnd(\"smaa-area\");\n internalManager.itemEnd(\"smaa-area\");\n });\n externalManager.itemStart(\"smaa-search\");\n externalManager.itemStart(\"smaa-area\");\n internalManager.itemStart(\"smaa-search\");\n internalManager.itemStart(\"smaa-area\");\n searchImage.src = searchImageDataURL_default;\n areaImage.src = areaImageDataURL_default;\n });\n }\n};\nexport {\n AdaptiveLuminanceMaterial,\n AdaptiveLuminancePass,\n BlendFunction,\n BlendMode,\n BloomEffect,\n KawaseBlurPass as BlurPass,\n BokehEffect,\n BokehMaterial,\n BoxBlurMaterial,\n BoxBlurPass,\n BrightnessContrastEffect,\n ChromaticAberrationEffect,\n CircleOfConfusionMaterial,\n ClearMaskPass,\n ClearPass,\n ColorAverageEffect,\n ColorChannel,\n ColorDepthEffect,\n EdgeDetectionMaterial as ColorEdgesMaterial,\n KawaseBlurMaterial as ConvolutionMaterial,\n CopyMaterial,\n CopyPass,\n DepthComparisonMaterial,\n DepthCopyMaterial,\n DepthCopyMode,\n DepthCopyPass,\n DepthDownsamplingMaterial,\n DepthDownsamplingPass,\n DepthEffect,\n DepthMaskMaterial,\n DepthOfFieldEffect,\n DepthPass,\n DepthPickingPass,\n DepthCopyPass as DepthSavePass,\n DepthTestStrategy,\n Disposable,\n DotScreenEffect,\n DownsamplingMaterial,\n EdgeDetectionMaterial,\n EdgeDetectionMode,\n Effect,\n EffectAttribute,\n EffectComposer,\n EffectMaterial,\n EffectPass,\n EffectShaderData,\n EffectShaderSection,\n FXAAEffect,\n GammaCorrectionEffect,\n GaussKernel,\n GaussianBlurMaterial,\n GaussianBlurPass,\n GlitchEffect,\n GlitchMode,\n GodRaysEffect,\n GodRaysMaterial,\n GridEffect,\n HueSaturationEffect,\n Initializable,\n KawaseBlurMaterial,\n KawaseBlurPass,\n KernelSize,\n LUT1DEffect,\n LUT3DEffect,\n LUT3dlLoader,\n LUTCubeLoader,\n LUT3DEffect as LUTEffect,\n LUTOperation,\n LambdaPass,\n LookupTexture,\n LookupTexture as LookupTexture3D,\n LuminanceMaterial,\n LuminancePass,\n MaskFunction,\n MaskMaterial,\n MaskPass,\n MipmapBlurPass,\n NoiseEffect,\n NoiseTexture,\n NormalPass,\n OutlineMaterial as OutlineEdgesMaterial,\n OutlineEffect,\n OutlineMaterial,\n OverrideMaterialManager,\n Pass,\n PixelationEffect,\n PredicationMode,\n RawImageData,\n RealisticBokehEffect,\n RenderPass,\n Resizable,\n Resolution as Resizer,\n Resolution,\n SMAAAreaImageData,\n SMAAEffect,\n SMAAImageGenerator,\n SMAAImageLoader,\n SMAAPreset,\n SMAASearchImageData,\n SMAAWeightsMaterial,\n SSAOEffect,\n SSAOMaterial,\n CopyPass as SavePass,\n ScanlineEffect,\n EffectShaderSection as Section,\n Selection,\n SelectiveBloomEffect,\n SepiaEffect,\n ShaderPass,\n ShockWaveEffect,\n TetrahedralUpscaler,\n TextureEffect,\n TiltShiftBlurMaterial,\n TiltShiftBlurPass,\n TiltShiftEffect,\n Timer,\n ToneMappingEffect,\n ToneMappingMode,\n UpsamplingMaterial,\n VignetteEffect,\n VignetteTechnique,\n WebGLExtension\n};\n", "import { getScaleFactor } from './Scale';\n\n/**\n * @ignore\n */\nexport function getOrbitShaderFragment() {\n return `\n varying vec3 vColor;\n uniform sampler2D texture;\n\n void main() {\n gl_FragColor = vec4(vColor, 1.0) * texture2D(texture, gl_PointCoord);\n }\n `;\n}\n\n/**\n * @ignore\n */\nexport function getOrbitShaderVertex() {\n return `\n attribute vec3 fuzzColor;\n attribute vec3 origin;\n varying vec3 vColor;\n\n attribute float size;\n\n attribute float a;\n attribute float e;\n attribute float i;\n attribute float om;\n attribute float wBar;\n attribute float M;\n\n // Perihelion distance\n attribute float q;\n\n // CPU-computed term for parabolic orbits\n attribute float a0;\n\n // COSH Function (Hyperbolic Cosine)\n float cosh(float val) {\n float tmp = exp(val);\n float cosH = (tmp + 1.0 / tmp) / 2.0;\n return cosH;\n }\n\n // TANH Function (Hyperbolic Tangent)\n float tanh(float val) {\n float tmp = exp(val);\n float tanH = (tmp - 1.0 / tmp) / (tmp + 1.0 / tmp);\n return tanH;\n }\n\n // SINH Function (Hyperbolic Sine)\n float sinh(float val) {\n float tmp = exp(val);\n float sinH = (tmp - 1.0 / tmp) / 2.0;\n return sinH;\n }\n\n // Cube root helper that assumes param is positive\n float cbrt(float x) {\n return exp(log(x) / 3.0);\n }\n\n vec3 getPosNearParabolic() {\n // See https://stjarnhimlen.se/comp/ppcomp.html#17\n float b = sqrt(1.0 + a0 * a0);\n float W = cbrt(b + a0) - cbrt(b - a0);\n float f = (1.0 - e) / (1.0 + e);\n\n float a1 = 2.0 / 3.0 + (2.0 / 5.0) * W * W;\n float a2 = 7.0 / 5.0 + (33.0 / 35.0) * W * W + (37.0 / 175.0) * pow(W, 4.0);\n float a3 =\n W * W * (432.0 / 175.0 + (956.0 / 1125.0) * W * W + (84.0 / 1575.0) * pow(W, 4.0));\n\n float C = (W * W) / (1.0 + W * W);\n float g = f * C * C;\n float w = W * (1.0 + f * C * (a1 + a2 * g + a3 * g * g));\n\n // True anomaly\n float v = 2.0 * atan(w);\n // Heliocentric distance\n float r = (q * (1.0 + w * w)) / (1.0 + w * w * f);\n\n // Compute heliocentric coords.\n float i_rad = i;\n float o_rad = om;\n float p_rad = wBar;\n float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n return vec3(X, Y, Z);\n }\n\n vec3 getPosHyperbolic() {\n float F0 = M;\n for (int count = 0; count < 100; count++) {\n float F1 = (M + e * (F0 * cosh(F0) - sinh(F0))) / (e * cosh(F0) - 1.0);\n float lastdiff = abs(F1 - F0);\n F0 = F1;\n\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n float F = F0;\n\n float v = 2.0 * atan(sqrt((e + 1.0) / (e - 1.0))) * tanh(F / 2.0);\n float r = ${getScaleFactor().toFixed(\n 1,\n )} * (a * (1.0 - e * e)) / (1.0 + e * cos(v));\n\n // Compute heliocentric coords.\n float i_rad = i;\n float o_rad = om;\n float p_rad = wBar;\n float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n return vec3(X, Y, Z);\n }\n\n vec3 getPosEllipsoid() {\n float i_rad = i;\n float o_rad = om;\n float p_rad = wBar;\n\n // Estimate eccentric and true anom using iterative approximation (this\n // is normally an intergral).\n float E0 = M;\n float E1 = M + e * sin(E0);\n float lastdiff = abs(E1-E0);\n E0 = E1;\n\n for (int count = 0; count < 100; count++) {\n E1 = M + e * sin(E0);\n lastdiff = abs(E1-E0);\n E0 = E1;\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n\n float E = E0;\n float v = 2.0 * atan(sqrt((1.0+e)/(1.0-e)) * tan(E/2.0));\n\n // Compute radius vector.\n float r = ${getScaleFactor().toFixed(\n 1,\n )} * a * (1.0 - e * e) / (1.0 + e * cos(v));\n\n // Compute heliocentric coords.\n float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n return vec3(X, Y, Z);\n }\n\n vec3 getPos() {\n if (e > 0.9 && e < 1.2) {\n return getPosNearParabolic();\n } else if (e > 1.2) {\n return getPosHyperbolic();\n }\n return getPosEllipsoid();\n }\n\n void main() {\n vColor = fuzzColor;\n\n vec3 newpos = getPos() + origin;\n vec4 mvPosition = modelViewMatrix * vec4(newpos, 1.0);\n gl_Position = projectionMatrix * mvPosition;\n gl_PointSize = size;\n }\n `;\n}\n\nexport const STAR_SHADER_FRAGMENT = `\n varying vec3 vColor;\n\n void main() {\n float a = 1.0 - 2.0 * length(gl_PointCoord - vec2(0.5, 0.5));\n gl_FragColor = vec4(vColor, a);\n }\n`;\n\nexport const STAR_SHADER_VERTEX = `\n attribute float size;\n varying vec3 vColor;\n\n void main() {\n vColor = color;\n vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);\n gl_PointSize = size;\n gl_Position = projectionMatrix * mvPosition;\n }\n`;\n\nexport const GENERIC_PARTICLE_SHADER_VERTEX = `\n attribute float size;\n attribute vec3 customColor;\n varying vec3 vColor;\n void main() {\n vColor = customColor;\n vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);\n gl_PointSize = size * (300.0 / -mvPosition.z);\n gl_Position = projectionMatrix * mvPosition;\n }\n`;\n\nexport const GENERIC_PARTICLE_SHADER_FRAGMENT = `\n uniform vec3 color;\n uniform sampler2D texture;\n varying vec3 vColor;\n void main() {\n gl_FragColor = vec4(color * vColor, 1.0);\n gl_FragColor = gl_FragColor * texture2D(texture, gl_PointCoord);\n if (gl_FragColor.a < ALPHATEST) discard;\n }\n`;\n\nexport const ATMOSPHERE_SHADER_VERTEX = `\n uniform vec3 lightPos;\n\n varying vec2 vUv;\n varying vec3 vecPos;\n varying vec3 vecNormal;\n //varying vec3 vNormal;\n\n varying vec3 vViewLightPos;\n\n void main() {\n //vNormal = normalize(normalMatrix * normal);\n //gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\n\n vUv = uv;\n // Since the light is in camera coordinates,\n // I'll need the vertex position in camera coords too\n vecPos = (modelViewMatrix * vec4(position, 1.0)).xyz;\n // That's NOT exacly how you should transform your\n // normals but this will work fine, since my model\n // matrix is pretty basic\n vecNormal = (modelViewMatrix * vec4(normal, 0.0)).xyz;\n vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz;\n gl_Position = projectionMatrix * vec4(vecPos, 1.0);\n }\n`;\n\n// With help from https://stackoverflow.com/questions/43621274/how-to-correctly-set-lighting-for-custom-shader-material\nexport const ATMOSPHERE_SHADER_FRAGMENT = `\n uniform float c;\n uniform float p;\n uniform vec3 color;\n\n varying vec2 vUv;\n varying vec3 vecPos;\n varying vec3 vecNormal;\n varying vec3 vViewLightPos;\n\n void main() {\n float intensity = pow(c - dot(vecNormal, vec3(0.0, 0.0, 1.0)), p);\n\n vec4 addedLights = vec4(0.0, 0.0, 0.0, 1.0);\n vec3 lightDirection = normalize(vecPos - vViewLightPos);\n addedLights.rgb += clamp(dot(-lightDirection, vecNormal), 0.0, 1.0)\n * 1.0 /* intensity */;\n // * pointLights[i].color\n\n gl_FragColor = vec4(color, 1.0) * intensity * addedLights;\n }\n`;\n\nexport const SPHERE_SHADER_VERTEX = `\n uniform vec3 lightPos;\n\n varying vec2 vUv;\n varying vec3 vViewPosition;\n varying vec3 vViewLightPos;\n varying vec3 vNormal;\n\n void main() {\n vUv = uv;\n vec4 vViewPosition4 = modelViewMatrix * vec4(position, 1.0);\n vViewPosition = vViewPosition4.xyz;\n vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz;\n vNormal = normalMatrix * normal;\n\n gl_Position = projectionMatrix * vViewPosition4;\n }\n`;\n\nexport const SPHERE_SHADER_FRAGMENT = `\n uniform sampler2D sphereTexture;\n\n varying vec2 vUv;\n varying vec3 vNormal;\n varying vec3 vViewPosition;\n varying vec3 vViewLightPos;\n\n void main() {\n vec3 normal = normalize(vNormal);\n vec3 lightDir = normalize(vViewLightPos - vViewPosition);\n float lambertian = max(dot(normal, lightDir), 0.0);\n gl_FragColor = texture2D(sphereTexture, vUv) * vec4(vec3(1.0) * lambertian, 1.0);\n }\n`;\n\nexport const RING_SHADER_VERTEX = `\n varying vec3 vPos;\n varying vec3 vWorldPosition;\n varying vec3 vNormal;\n\n void main() {\n vPos = position;\n vec4 worldPosition = (modelMatrix * vec4(position, 1.));\n gl_Position = projectionMatrix * viewMatrix * vec4(worldPosition.xyz, 1.);\n\n vNormal = normalMatrix * normal;\n vWorldPosition = worldPosition.xyz;\n }\n`;\n\nexport const RING_SHADER_FRAGMENT = `\n uniform sampler2D ringTexture;\n uniform float innerRadius;\n uniform float outerRadius;\n uniform vec3 lightPos;\n\n varying vec3 vNormal;\n varying vec3 vPos;\n varying vec3 vWorldPosition;\n\n vec4 color() {\n vec2 uv = vec2(0);\n uv.x = (length(vPos) - innerRadius) / (outerRadius - innerRadius);\n if (uv.x < 0.0 || uv.x > 1.0) {\n discard;\n }\n\n vec4 pixel = texture2D(ringTexture, uv);\n return pixel;\n }\n\n vec3 shadow() {\n vec3 lightDir = normalize(vPos - lightPos);\n vec3 planetPos = vec3(0);\n\n vec3 ringPos = vPos - planetPos;\n float posDotLightDir = dot(ringPos, lightDir);\n float posDotLightDir2 = posDotLightDir * posDotLightDir;\n\n // TODO(ian): Generalize this line.\n float radius = 0.0389259903; // radius of saturn in coordinate system\n float radius2 = radius * radius;\n\n if (posDotLightDir > 0.0 && dot(ringPos, ringPos) - posDotLightDir2 < radius2) {\n return vec3(0.0);\n }\n return vec3(1.0);\n }\n\n vec3 lights() {\n vec3 lightDirection = normalize(vWorldPosition - lightPos);\n float c = 0.35 + max(0.0, dot(vNormal, lightDirection)) * 0.4;\n\n return vec3(c);\n }\n\n void main() {\n // NOTE: The order of multiplication matters here. color() may call\n // discard, which would cause problems on some Windows graphics drivers if\n // it is a left operand.\n // https://github.com/typpo/spacekit/issues/22\n gl_FragColor = vec4(lights() * shadow(), 1.0) * color();\n }\n`;\n", "import * as THREE from 'three';\n\nimport { getThreeJsTexture } from './util';\n\nimport { Coordinate3d } from './Coordinates';\nimport { getOrbitShaderVertex, getOrbitShaderFragment } from './shaders';\nimport { Orbit, OrbitType } from './Orbit';\n\nimport type { Ephem } from './Ephem';\nimport type { Simulation, SimulationContext } from './Simulation';\n\ninterface BaseKeplerParticleOptions {\n color?: number;\n textureUrl?: string;\n basePath?: string;\n jd?: number;\n maxNumParticles?: number;\n}\n\n// TODO(ian): Clean this up - we probably don't need a separate type.\ntype KeplerParticlesOptions = BaseKeplerParticleOptions & {\n defaultSize?: number;\n};\n\ntype KeplerParticleOptions = BaseKeplerParticleOptions & {\n particleSize?: number;\n};\n\ninterface ShaderAttributes {\n size: THREE.BufferAttribute;\n origin: THREE.BufferAttribute;\n position: THREE.BufferAttribute;\n fuzzColor: THREE.BufferAttribute;\n a: THREE.BufferAttribute;\n e: THREE.BufferAttribute;\n i: THREE.BufferAttribute;\n om: THREE.BufferAttribute;\n ma: THREE.BufferAttribute;\n n: THREE.BufferAttribute;\n w: THREE.BufferAttribute;\n wBar: THREE.BufferAttribute;\n q: THREE.BufferAttribute;\n M: THREE.BufferAttribute;\n a0: THREE.BufferAttribute;\n}\n\nconst DEFAULT_PARTICLE_COUNT = 4096;\n\n/**\n * Compute mean anomaly at date. Used for elliptical and hyperbolic orbits.\n */\nfunction getM(ephem: Ephem, jd: number): number {\n const d = jd - ephem.get('epoch');\n return ephem.get('ma') + ephem.get('n') * d;\n}\n\nconst PARABOLIC_K = 0.01720209895;\nfunction getA0(ephem: Ephem, jd: number): number {\n const tp = ephem.get('tp');\n const e = ephem.get('e');\n const q = ephem.get('q');\n const d = jd - tp;\n return 0.75 * d * PARABOLIC_K * Math.sqrt((1 + e) / (q * q * q));\n}\n\n/**\n * An efficient way to render many objects in space with Kepler orbits.\n * Primarily used by Simulation to render all non-static objects.\n * @see Simulation\n */\nexport class KeplerParticles {\n static instanceCount: number;\n\n private id: string;\n\n private options: KeplerParticlesOptions;\n\n private simulation: Simulation;\n\n private context: SimulationContext;\n\n private addedToScene: boolean;\n\n private particleCount: number;\n\n private elements: Ephem[];\n\n private uniforms: {\n texture: { value: THREE.Texture };\n };\n\n private geometry: THREE.BufferGeometry;\n\n private shaderMaterial: THREE.ShaderMaterial;\n\n private particleSystem: THREE.Points;\n\n private attributes: ShaderAttributes;\n\n /**\n * @param {Object} options Options container\n * @param {Object} options.textureUrl Template url for sprite\n * @param {Object} options.basePath Base path for simulation supporting files\n * @param {Number} options.jd JD date value\n * @param {Number} options.maxNumParticles Maximum number of particles to display. Defaults to 4096\n * @param {Number} options.defaultSize Default size of particles. Note this\n * can be overriden by SpaceObject particleSize. Defaults to 25\n * @param {Object} contextOrSimulation Simulation context or object\n */\n constructor(\n options: KeplerParticlesOptions,\n contextOrSimulation: Simulation,\n ) {\n this.options = options;\n\n this.id = `KeplerParticles__${KeplerParticles.instanceCount}`;\n\n this.simulation = contextOrSimulation;\n this.context = contextOrSimulation.getContext();\n\n // Whether Points object has been added to the Simulation/Scene. This\n // happens lazily when the first data point is added in order to prevent\n // WebGL render warnings.\n this.addedToScene = false;\n\n // Number of particles in the scene.\n this.particleCount = 0;\n\n if (!this.options.textureUrl) {\n throw new Error('ParticleSystem requires textureUrl to be set');\n }\n\n const defaultMapTexture = getThreeJsTexture(\n this.options.textureUrl,\n this.context.options.basePath,\n );\n\n this.uniforms = {\n texture: { value: defaultMapTexture },\n };\n\n const particleCount =\n this.options.maxNumParticles || DEFAULT_PARTICLE_COUNT;\n this.elements = [];\n this.attributes = {\n size: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n origin: new THREE.BufferAttribute(new Float32Array(particleCount * 3), 3),\n position: new THREE.BufferAttribute(\n new Float32Array(particleCount * 3),\n 3,\n ),\n fuzzColor: new THREE.BufferAttribute(\n new Float32Array(particleCount * 3),\n 3,\n ),\n\n a: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n e: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n i: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n om: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n ma: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n n: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n w: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n wBar: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n q: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n\n M: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n a0: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n };\n this.attributes.M.setUsage(THREE.DynamicDrawUsage);\n this.attributes.a0.setUsage(THREE.DynamicDrawUsage);\n\n const geometry = new THREE.BufferGeometry();\n geometry.setDrawRange(0, 0);\n Object.keys(this.attributes).forEach((attributeName) => {\n const attribute =\n this.attributes[attributeName as keyof ShaderAttributes];\n geometry.setAttribute(attributeName, attribute);\n });\n\n const shader = new THREE.ShaderMaterial({\n uniforms: this.uniforms,\n vertexShader: getOrbitShaderVertex(),\n fragmentShader: getOrbitShaderFragment(),\n\n depthTest: true,\n depthWrite: false,\n transparent: true,\n });\n\n this.shaderMaterial = shader;\n this.geometry = geometry;\n this.particleSystem = new THREE.Points(geometry, shader);\n }\n\n /**\n * Add a particle to this particle system.\n * @param {Ephem} ephem Kepler ephemeris\n * @param {Object} options Options container\n * @param {Number} options.particleSize Size of particles\n * @param {Number} options.color Color of particles\n * @return {Number} The index of this article in the attribute list.\n */\n addParticle(ephem: Ephem, options: KeplerParticleOptions = {}): number {\n this.elements.push(ephem);\n const attributes = this.attributes;\n const offset = this.particleCount++;\n\n attributes.size.set(\n [options.particleSize || this.options.defaultSize || 15],\n offset,\n );\n const color = new THREE.Color(options.color || 0xffffff);\n attributes.fuzzColor.set([color.r, color.g, color.b], offset * 3);\n\n attributes.origin.set([0, 0, 0], offset * 3);\n\n attributes.a.set([ephem.get('a')], offset);\n attributes.e.set([ephem.get('e')], offset);\n attributes.i.set([ephem.get('i', 'rad')], offset);\n attributes.om.set([ephem.get('om', 'rad')], offset);\n attributes.wBar.set([ephem.get('wBar', 'rad')], offset);\n attributes.q.set([ephem.get('q')], offset);\n\n if (Orbit.getOrbitType(ephem) === OrbitType.PARABOLIC) {\n attributes.a0.set([getA0(ephem, this.options.jd || 0)], offset);\n } else {\n attributes.M.set([getM(ephem, this.options.jd || 0)], offset);\n }\n\n // TODO(ian): Set the update range\n for (const attributeKey in attributes) {\n if (attributes.hasOwnProperty(attributeKey)) {\n attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n }\n }\n this.geometry.setDrawRange(0, this.particleCount);\n\n if (!this.addedToScene && this.simulation) {\n // This happens lazily when the first data point is added in order to\n // prevent WebGL render warnings.\n this.simulation.addObject(this);\n this.addedToScene = true;\n }\n\n return offset;\n }\n\n /**\n * Hides the particle at the given offset so it is no longer drawn. The particle still takes up space in the array\n * though.\n * @param offset\n */\n hideParticle(offset: number) {\n const attributes = this.attributes;\n attributes.size.set([0], offset);\n\n for (const attributeKey in attributes) {\n if (attributes.hasOwnProperty(attributeKey)) {\n attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n }\n }\n }\n\n /**\n * Changes the size of the particle at the given offset to the given size. Setting the size to 0 hides the particle.\n * @param {Number} size The new size of this particle\n * @param {Number} offset The location of this particle in the attributes * array\n */\n setParticleSize(size: number, offset: number) {\n const attributes = this.attributes;\n attributes.size.set([size], offset);\n\n for (const attributeKey in attributes) {\n if (attributes.hasOwnProperty(attributeKey)) {\n attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n }\n }\n }\n\n /**\n * Changes the color of the particle at the given offset to the given color.\n * @param {Number} colorValue The new color of this particle (e.g. hex number)\n * @param {Number} offset The location of this particle in the attributes * array\n */\n setParticleColor(colorValue: number, offset: number) {\n const attributes = this.attributes;\n const { r, g, b } = new THREE.Color(colorValue);\n attributes.fuzzColor.set([r, g, b], offset * 3);\n\n for (const attributeKey in attributes) {\n if (attributes.hasOwnProperty(attributeKey)) {\n attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n }\n }\n }\n\n /**\n * Change the `origin` attribute of a particle.\n * @param {Number} offset The location of this particle in the attributes * array.\n * @param {Array.} newOrigin The new XYZ coordinates of the body that this particle orbits.\n */\n setParticleOrigin(offset: number, newOrigin: Coordinate3d) {\n this.attributes.origin.set(newOrigin, offset * 3);\n this.attributes.origin.needsUpdate = true;\n }\n\n /**\n * Update the position for all particles\n * @param {Number} jd JD date\n */\n update(jd: number) {\n const Ms: number[] = [];\n const a0s: number[] = [];\n for (let i = 0; i < this.elements.length; i++) {\n const ephem = this.elements[i];\n\n let M, a0;\n if (Orbit.getOrbitType(ephem) === OrbitType.PARABOLIC) {\n a0 = getA0(ephem, jd);\n M = 0;\n } else {\n a0 = 0;\n M = getM(ephem, jd);\n }\n\n Ms.push(M);\n a0s.push(a0);\n }\n\n this.attributes.M.set(Ms);\n this.attributes.M.needsUpdate = true;\n\n this.attributes.a0.set(a0s);\n this.attributes.a0.needsUpdate = true;\n }\n\n /**\n * Get THREE.js objects that comprise this point cloud\n * @return {Array.} List of objects to add to THREE.js scene\n */\n get3jsObjects(): THREE.Object3D[] {\n return [this.particleSystem];\n }\n\n /**\n * Get unique id for this object.\n * @return {String} Unique id\n */\n getId(): string {\n return this.id;\n }\n}\n\nKeplerParticles.instanceCount = 0;\n", "import {\n\tBufferGeometry,\n\tFileLoader,\n\tFloat32BufferAttribute,\n\tGroup,\n\tLineBasicMaterial,\n\tLineSegments,\n\tLoader,\n\tMaterial,\n\tMesh,\n\tMeshPhongMaterial,\n\tPoints,\n\tPointsMaterial,\n\tVector3\n} from 'three';\n\n// o object_name | g group_name\nconst _object_pattern = /^[og]\\s*(.+)?/;\n// mtllib file_reference\nconst _material_library_pattern = /^mtllib /;\n// usemtl material_name\nconst _material_use_pattern = /^usemtl /;\n// usemap map_name\nconst _map_use_pattern = /^usemap /;\n\nconst _vA = new Vector3();\nconst _vB = new Vector3();\nconst _vC = new Vector3();\n\nconst _ab = new Vector3();\nconst _cb = new Vector3();\n\nfunction ParserState() {\n\n\tconst state = {\n\t\tobjects: [],\n\t\tobject: {},\n\n\t\tvertices: [],\n\t\tnormals: [],\n\t\tcolors: [],\n\t\tuvs: [],\n\n\t\tmaterials: {},\n\t\tmaterialLibraries: [],\n\n\t\tstartObject: function ( name, fromDeclaration ) {\n\n\t\t\t// If the current object (initial from reset) is not from a g/o declaration in the parsed\n\t\t\t// file. We need to use it for the first parsed g/o to keep things in sync.\n\t\t\tif ( this.object && this.object.fromDeclaration === false ) {\n\n\t\t\t\tthis.object.name = name;\n\t\t\t\tthis.object.fromDeclaration = ( fromDeclaration !== false );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tconst previousMaterial = ( this.object && typeof this.object.currentMaterial === 'function' ? this.object.currentMaterial() : undefined );\n\n\t\t\tif ( this.object && typeof this.object._finalize === 'function' ) {\n\n\t\t\t\tthis.object._finalize( true );\n\n\t\t\t}\n\n\t\t\tthis.object = {\n\t\t\t\tname: name || '',\n\t\t\t\tfromDeclaration: ( fromDeclaration !== false ),\n\n\t\t\t\tgeometry: {\n\t\t\t\t\tvertices: [],\n\t\t\t\t\tnormals: [],\n\t\t\t\t\tcolors: [],\n\t\t\t\t\tuvs: [],\n\t\t\t\t\thasUVIndices: false\n\t\t\t\t},\n\t\t\t\tmaterials: [],\n\t\t\t\tsmooth: true,\n\n\t\t\t\tstartMaterial: function ( name, libraries ) {\n\n\t\t\t\t\tconst previous = this._finalize( false );\n\n\t\t\t\t\t// New usemtl declaration overwrites an inherited material, except if faces were declared\n\t\t\t\t\t// after the material, then it must be preserved for proper MultiMaterial continuation.\n\t\t\t\t\tif ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {\n\n\t\t\t\t\t\tthis.materials.splice( previous.index, 1 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst material = {\n\t\t\t\t\t\tindex: this.materials.length,\n\t\t\t\t\t\tname: name || '',\n\t\t\t\t\t\tmtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),\n\t\t\t\t\t\tsmooth: ( previous !== undefined ? previous.smooth : this.smooth ),\n\t\t\t\t\t\tgroupStart: ( previous !== undefined ? previous.groupEnd : 0 ),\n\t\t\t\t\t\tgroupEnd: - 1,\n\t\t\t\t\t\tgroupCount: - 1,\n\t\t\t\t\t\tinherited: false,\n\n\t\t\t\t\t\tclone: function ( index ) {\n\n\t\t\t\t\t\t\tconst cloned = {\n\t\t\t\t\t\t\t\tindex: ( typeof index === 'number' ? index : this.index ),\n\t\t\t\t\t\t\t\tname: this.name,\n\t\t\t\t\t\t\t\tmtllib: this.mtllib,\n\t\t\t\t\t\t\t\tsmooth: this.smooth,\n\t\t\t\t\t\t\t\tgroupStart: 0,\n\t\t\t\t\t\t\t\tgroupEnd: - 1,\n\t\t\t\t\t\t\t\tgroupCount: - 1,\n\t\t\t\t\t\t\t\tinherited: false\n\t\t\t\t\t\t\t};\n\t\t\t\t\t\t\tcloned.clone = this.clone.bind( cloned );\n\t\t\t\t\t\t\treturn cloned;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t};\n\n\t\t\t\t\tthis.materials.push( material );\n\n\t\t\t\t\treturn material;\n\n\t\t\t\t},\n\n\t\t\t\tcurrentMaterial: function () {\n\n\t\t\t\t\tif ( this.materials.length > 0 ) {\n\n\t\t\t\t\t\treturn this.materials[ this.materials.length - 1 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t},\n\n\t\t\t\t_finalize: function ( end ) {\n\n\t\t\t\t\tconst lastMultiMaterial = this.currentMaterial();\n\t\t\t\t\tif ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {\n\n\t\t\t\t\t\tlastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;\n\t\t\t\t\t\tlastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;\n\t\t\t\t\t\tlastMultiMaterial.inherited = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Ignore objects tail materials if no face declarations followed them before a new o/g started.\n\t\t\t\t\tif ( end && this.materials.length > 1 ) {\n\n\t\t\t\t\t\tfor ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {\n\n\t\t\t\t\t\t\tif ( this.materials[ mi ].groupCount <= 0 ) {\n\n\t\t\t\t\t\t\t\tthis.materials.splice( mi, 1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Guarantee at least one empty material, this makes the creation later more straight forward.\n\t\t\t\t\tif ( end && this.materials.length === 0 ) {\n\n\t\t\t\t\t\tthis.materials.push( {\n\t\t\t\t\t\t\tname: '',\n\t\t\t\t\t\t\tsmooth: this.smooth\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn lastMultiMaterial;\n\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// Inherit previous objects material.\n\t\t\t// Spec tells us that a declared material must be set to all objects until a new material is declared.\n\t\t\t// If a usemtl declaration is encountered while this new object is being parsed, it will\n\t\t\t// overwrite the inherited material. Exception being that there was already face declarations\n\t\t\t// to the inherited material, then it will be preserved for proper MultiMaterial continuation.\n\n\t\t\tif ( previousMaterial && previousMaterial.name && typeof previousMaterial.clone === 'function' ) {\n\n\t\t\t\tconst declared = previousMaterial.clone( 0 );\n\t\t\t\tdeclared.inherited = true;\n\t\t\t\tthis.object.materials.push( declared );\n\n\t\t\t}\n\n\t\t\tthis.objects.push( this.object );\n\n\t\t},\n\n\t\tfinalize: function () {\n\n\t\t\tif ( this.object && typeof this.object._finalize === 'function' ) {\n\n\t\t\t\tthis.object._finalize( true );\n\n\t\t\t}\n\n\t\t},\n\n\t\tparseVertexIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 3 ) * 3;\n\n\t\t},\n\n\t\tparseNormalIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 3 ) * 3;\n\n\t\t},\n\n\t\tparseUVIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 2 ) * 2;\n\n\t\t},\n\n\t\taddVertex: function ( a, b, c ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddVertexPoint: function ( a ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\n\t\t},\n\n\t\taddVertexLine: function ( a ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\n\t\t},\n\n\t\taddNormal: function ( a, b, c ) {\n\n\t\t\tconst src = this.normals;\n\t\t\tconst dst = this.object.geometry.normals;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddFaceNormal: function ( a, b, c ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.normals;\n\n\t\t\t_vA.fromArray( src, a );\n\t\t\t_vB.fromArray( src, b );\n\t\t\t_vC.fromArray( src, c );\n\n\t\t\t_cb.subVectors( _vC, _vB );\n\t\t\t_ab.subVectors( _vA, _vB );\n\t\t\t_cb.cross( _ab );\n\n\t\t\t_cb.normalize();\n\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\n\t\t},\n\n\t\taddColor: function ( a, b, c ) {\n\n\t\t\tconst src = this.colors;\n\t\t\tconst dst = this.object.geometry.colors;\n\n\t\t\tif ( src[ a ] !== undefined ) dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tif ( src[ b ] !== undefined ) dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tif ( src[ c ] !== undefined ) dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddUV: function ( a, b, c ) {\n\n\t\t\tconst src = this.uvs;\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ] );\n\n\t\t},\n\n\t\taddDefaultUV: function () {\n\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( 0, 0 );\n\t\t\tdst.push( 0, 0 );\n\t\t\tdst.push( 0, 0 );\n\n\t\t},\n\n\t\taddUVLine: function ( a ) {\n\n\t\t\tconst src = this.uvs;\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ] );\n\n\t\t},\n\n\t\taddFace: function ( a, b, c, ua, ub, uc, na, nb, nc ) {\n\n\t\t\tconst vLen = this.vertices.length;\n\n\t\t\tlet ia = this.parseVertexIndex( a, vLen );\n\t\t\tlet ib = this.parseVertexIndex( b, vLen );\n\t\t\tlet ic = this.parseVertexIndex( c, vLen );\n\n\t\t\tthis.addVertex( ia, ib, ic );\n\t\t\tthis.addColor( ia, ib, ic );\n\n\t\t\t// normals\n\n\t\t\tif ( na !== undefined && na !== '' ) {\n\n\t\t\t\tconst nLen = this.normals.length;\n\n\t\t\t\tia = this.parseNormalIndex( na, nLen );\n\t\t\t\tib = this.parseNormalIndex( nb, nLen );\n\t\t\t\tic = this.parseNormalIndex( nc, nLen );\n\n\t\t\t\tthis.addNormal( ia, ib, ic );\n\n\t\t\t} else {\n\n\t\t\t\tthis.addFaceNormal( ia, ib, ic );\n\n\t\t\t}\n\n\t\t\t// uvs\n\n\t\t\tif ( ua !== undefined && ua !== '' ) {\n\n\t\t\t\tconst uvLen = this.uvs.length;\n\n\t\t\t\tia = this.parseUVIndex( ua, uvLen );\n\t\t\t\tib = this.parseUVIndex( ub, uvLen );\n\t\t\t\tic = this.parseUVIndex( uc, uvLen );\n\n\t\t\t\tthis.addUV( ia, ib, ic );\n\n\t\t\t\tthis.object.geometry.hasUVIndices = true;\n\n\t\t\t} else {\n\n\t\t\t\t// add placeholder values (for inconsistent face definitions)\n\n\t\t\t\tthis.addDefaultUV();\n\n\t\t\t}\n\n\t\t},\n\n\t\taddPointGeometry: function ( vertices ) {\n\n\t\t\tthis.object.geometry.type = 'Points';\n\n\t\t\tconst vLen = this.vertices.length;\n\n\t\t\tfor ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {\n\n\t\t\t\tconst index = this.parseVertexIndex( vertices[ vi ], vLen );\n\n\t\t\t\tthis.addVertexPoint( index );\n\t\t\t\tthis.addColor( index );\n\n\t\t\t}\n\n\t\t},\n\n\t\taddLineGeometry: function ( vertices, uvs ) {\n\n\t\t\tthis.object.geometry.type = 'Line';\n\n\t\t\tconst vLen = this.vertices.length;\n\t\t\tconst uvLen = this.uvs.length;\n\n\t\t\tfor ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {\n\n\t\t\t\tthis.addVertexLine( this.parseVertexIndex( vertices[ vi ], vLen ) );\n\n\t\t\t}\n\n\t\t\tfor ( let uvi = 0, l = uvs.length; uvi < l; uvi ++ ) {\n\n\t\t\t\tthis.addUVLine( this.parseUVIndex( uvs[ uvi ], uvLen ) );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tstate.startObject( '', false );\n\n\treturn state;\n\n}\n\n//\n\nclass OBJLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t\tthis.materials = null;\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( text ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tsetMaterials( materials ) {\n\n\t\tthis.materials = materials;\n\n\t\treturn this;\n\n\t}\n\n\tparse( text ) {\n\n\t\tconst state = new ParserState();\n\n\t\tif ( text.indexOf( '\\r\\n' ) !== - 1 ) {\n\n\t\t\t// This is faster than String.split with regex that splits on both\n\t\t\ttext = text.replace( /\\r\\n/g, '\\n' );\n\n\t\t}\n\n\t\tif ( text.indexOf( '\\\\\\n' ) !== - 1 ) {\n\n\t\t\t// join lines separated by a line continuation character (\\)\n\t\t\ttext = text.replace( /\\\\\\n/g, '' );\n\n\t\t}\n\n\t\tconst lines = text.split( '\\n' );\n\t\tlet line = '', lineFirstChar = '';\n\t\tlet lineLength = 0;\n\t\tlet result = [];\n\n\t\t// Faster to just trim left side of the line. Use if available.\n\t\tconst trimLeft = ( typeof ''.trimLeft === 'function' );\n\n\t\tfor ( let i = 0, l = lines.length; i < l; i ++ ) {\n\n\t\t\tline = lines[ i ];\n\n\t\t\tline = trimLeft ? line.trimLeft() : line.trim();\n\n\t\t\tlineLength = line.length;\n\n\t\t\tif ( lineLength === 0 ) continue;\n\n\t\t\tlineFirstChar = line.charAt( 0 );\n\n\t\t\t// @todo invoke passed in handler if any\n\t\t\tif ( lineFirstChar === '#' ) continue;\n\n\t\t\tif ( lineFirstChar === 'v' ) {\n\n\t\t\t\tconst data = line.split( /\\s+/ );\n\n\t\t\t\tswitch ( data[ 0 ] ) {\n\n\t\t\t\t\tcase 'v':\n\t\t\t\t\t\tstate.vertices.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 3 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tif ( data.length >= 7 ) {\n\n\t\t\t\t\t\t\tstate.colors.push(\n\t\t\t\t\t\t\t\tparseFloat( data[ 4 ] ),\n\t\t\t\t\t\t\t\tparseFloat( data[ 5 ] ),\n\t\t\t\t\t\t\t\tparseFloat( data[ 6 ] )\n\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// if no colors are defined, add placeholders so color and vertex indices match\n\n\t\t\t\t\t\t\tstate.colors.push( undefined, undefined, undefined );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'vn':\n\t\t\t\t\t\tstate.normals.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 3 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'vt':\n\t\t\t\t\t\tstate.uvs.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t} else if ( lineFirstChar === 'f' ) {\n\n\t\t\t\tconst lineData = line.substr( 1 ).trim();\n\t\t\t\tconst vertexData = lineData.split( /\\s+/ );\n\t\t\t\tconst faceVertices = [];\n\n\t\t\t\t// Parse the face vertex data into an easy to work with format\n\n\t\t\t\tfor ( let j = 0, jl = vertexData.length; j < jl; j ++ ) {\n\n\t\t\t\t\tconst vertex = vertexData[ j ];\n\n\t\t\t\t\tif ( vertex.length > 0 ) {\n\n\t\t\t\t\t\tconst vertexParts = vertex.split( '/' );\n\t\t\t\t\t\tfaceVertices.push( vertexParts );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// Draw an edge between the first vertex and all subsequent vertices to form an n-gon\n\n\t\t\t\tconst v1 = faceVertices[ 0 ];\n\n\t\t\t\tfor ( let j = 1, jl = faceVertices.length - 1; j < jl; j ++ ) {\n\n\t\t\t\t\tconst v2 = faceVertices[ j ];\n\t\t\t\t\tconst v3 = faceVertices[ j + 1 ];\n\n\t\t\t\t\tstate.addFace(\n\t\t\t\t\t\tv1[ 0 ], v2[ 0 ], v3[ 0 ],\n\t\t\t\t\t\tv1[ 1 ], v2[ 1 ], v3[ 1 ],\n\t\t\t\t\t\tv1[ 2 ], v2[ 2 ], v3[ 2 ]\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t} else if ( lineFirstChar === 'l' ) {\n\n\t\t\t\tconst lineParts = line.substring( 1 ).trim().split( ' ' );\n\t\t\t\tlet lineVertices = [];\n\t\t\t\tconst lineUVs = [];\n\n\t\t\t\tif ( line.indexOf( '/' ) === - 1 ) {\n\n\t\t\t\t\tlineVertices = lineParts;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( let li = 0, llen = lineParts.length; li < llen; li ++ ) {\n\n\t\t\t\t\t\tconst parts = lineParts[ li ].split( '/' );\n\n\t\t\t\t\t\tif ( parts[ 0 ] !== '' ) lineVertices.push( parts[ 0 ] );\n\t\t\t\t\t\tif ( parts[ 1 ] !== '' ) lineUVs.push( parts[ 1 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tstate.addLineGeometry( lineVertices, lineUVs );\n\n\t\t\t} else if ( lineFirstChar === 'p' ) {\n\n\t\t\t\tconst lineData = line.substr( 1 ).trim();\n\t\t\t\tconst pointData = lineData.split( ' ' );\n\n\t\t\t\tstate.addPointGeometry( pointData );\n\n\t\t\t} else if ( ( result = _object_pattern.exec( line ) ) !== null ) {\n\n\t\t\t\t// o object_name\n\t\t\t\t// or\n\t\t\t\t// g group_name\n\n\t\t\t\t// WORKAROUND: https://bugs.chromium.org/p/v8/issues/detail?id=2869\n\t\t\t\t// let name = result[ 0 ].substr( 1 ).trim();\n\t\t\t\tconst name = ( ' ' + result[ 0 ].substr( 1 ).trim() ).substr( 1 );\n\n\t\t\t\tstate.startObject( name );\n\n\t\t\t} else if ( _material_use_pattern.test( line ) ) {\n\n\t\t\t\t// material\n\n\t\t\t\tstate.object.startMaterial( line.substring( 7 ).trim(), state.materialLibraries );\n\n\t\t\t} else if ( _material_library_pattern.test( line ) ) {\n\n\t\t\t\t// mtl file\n\n\t\t\t\tstate.materialLibraries.push( line.substring( 7 ).trim() );\n\n\t\t\t} else if ( _map_use_pattern.test( line ) ) {\n\n\t\t\t\t// the line is parsed but ignored since the loader assumes textures are defined MTL files\n\t\t\t\t// (according to https://www.okino.com/conv/imp_wave.htm, 'usemap' is the old-style Wavefront texture reference method)\n\n\t\t\t\tconsole.warn( 'THREE.OBJLoader: Rendering identifier \"usemap\" not supported. Textures must be defined in MTL files.' );\n\n\t\t\t} else if ( lineFirstChar === 's' ) {\n\n\t\t\t\tresult = line.split( ' ' );\n\n\t\t\t\t// smooth shading\n\n\t\t\t\t// @todo Handle files that have varying smooth values for a set of faces inside one geometry,\n\t\t\t\t// but does not define a usemtl for each face set.\n\t\t\t\t// This should be detected and a dummy material created (later MultiMaterial and geometry groups).\n\t\t\t\t// This requires some care to not create extra material on each smooth value for \"normal\" obj files.\n\t\t\t\t// where explicit usemtl defines geometry groups.\n\t\t\t\t// Example asset: examples/models/obj/cerberus/Cerberus.obj\n\n\t\t\t\t/*\n\t\t\t\t\t * http://paulbourke.net/dataformats/obj/\n\t\t\t\t\t * or\n\t\t\t\t\t * http://www.cs.utah.edu/~boulos/cs3505/obj_spec.pdf\n\t\t\t\t\t *\n\t\t\t\t\t * From chapter \"Grouping\" Syntax explanation \"s group_number\":\n\t\t\t\t\t * \"group_number is the smoothing group number. To turn off smoothing groups, use a value of 0 or off.\n\t\t\t\t\t * Polygonal elements use group numbers to put elements in different smoothing groups. For free-form\n\t\t\t\t\t * surfaces, smoothing groups are either turned on or off; there is no difference between values greater\n\t\t\t\t\t * than 0.\"\n\t\t\t\t\t */\n\t\t\t\tif ( result.length > 1 ) {\n\n\t\t\t\t\tconst value = result[ 1 ].trim().toLowerCase();\n\t\t\t\t\tstate.object.smooth = ( value !== '0' && value !== 'off' );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// ZBrush can produce \"s\" lines #11707\n\t\t\t\t\tstate.object.smooth = true;\n\n\t\t\t\t}\n\n\t\t\t\tconst material = state.object.currentMaterial();\n\t\t\t\tif ( material ) material.smooth = state.object.smooth;\n\n\t\t\t} else {\n\n\t\t\t\t// Handle null terminated files without exception\n\t\t\t\tif ( line === '\\0' ) continue;\n\n\t\t\t\tconsole.warn( 'THREE.OBJLoader: Unexpected line: \"' + line + '\"' );\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.finalize();\n\n\t\tconst container = new Group();\n\t\tcontainer.materialLibraries = [].concat( state.materialLibraries );\n\n\t\tconst hasPrimitives = ! ( state.objects.length === 1 && state.objects[ 0 ].geometry.vertices.length === 0 );\n\n\t\tif ( hasPrimitives === true ) {\n\n\t\t\tfor ( let i = 0, l = state.objects.length; i < l; i ++ ) {\n\n\t\t\t\tconst object = state.objects[ i ];\n\t\t\t\tconst geometry = object.geometry;\n\t\t\t\tconst materials = object.materials;\n\t\t\t\tconst isLine = ( geometry.type === 'Line' );\n\t\t\t\tconst isPoints = ( geometry.type === 'Points' );\n\t\t\t\tlet hasVertexColors = false;\n\n\t\t\t\t// Skip o/g line declarations that did not follow with any faces\n\t\t\t\tif ( geometry.vertices.length === 0 ) continue;\n\n\t\t\t\tconst buffergeometry = new BufferGeometry();\n\n\t\t\t\tbuffergeometry.setAttribute( 'position', new Float32BufferAttribute( geometry.vertices, 3 ) );\n\n\t\t\t\tif ( geometry.normals.length > 0 ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'normal', new Float32BufferAttribute( geometry.normals, 3 ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.colors.length > 0 ) {\n\n\t\t\t\t\thasVertexColors = true;\n\t\t\t\t\tbuffergeometry.setAttribute( 'color', new Float32BufferAttribute( geometry.colors, 3 ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.hasUVIndices === true ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'uv', new Float32BufferAttribute( geometry.uvs, 2 ) );\n\n\t\t\t\t}\n\n\t\t\t\t// Create materials\n\n\t\t\t\tconst createdMaterials = [];\n\n\t\t\t\tfor ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {\n\n\t\t\t\t\tconst sourceMaterial = materials[ mi ];\n\t\t\t\t\tconst materialHash = sourceMaterial.name + '_' + sourceMaterial.smooth + '_' + hasVertexColors;\n\t\t\t\t\tlet material = state.materials[ materialHash ];\n\n\t\t\t\t\tif ( this.materials !== null ) {\n\n\t\t\t\t\t\tmaterial = this.materials.create( sourceMaterial.name );\n\n\t\t\t\t\t\t// mtl etc. loaders probably can't create line materials correctly, copy properties to a line material.\n\t\t\t\t\t\tif ( isLine && material && ! ( material instanceof LineBasicMaterial ) ) {\n\n\t\t\t\t\t\t\tconst materialLine = new LineBasicMaterial();\n\t\t\t\t\t\t\tMaterial.prototype.copy.call( materialLine, material );\n\t\t\t\t\t\t\tmaterialLine.color.copy( material.color );\n\t\t\t\t\t\t\tmaterial = materialLine;\n\n\t\t\t\t\t\t} else if ( isPoints && material && ! ( material instanceof PointsMaterial ) ) {\n\n\t\t\t\t\t\t\tconst materialPoints = new PointsMaterial( { size: 10, sizeAttenuation: false } );\n\t\t\t\t\t\t\tMaterial.prototype.copy.call( materialPoints, material );\n\t\t\t\t\t\t\tmaterialPoints.color.copy( material.color );\n\t\t\t\t\t\t\tmaterialPoints.map = material.map;\n\t\t\t\t\t\t\tmaterial = materialPoints;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( material === undefined ) {\n\n\t\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\t\tmaterial = new LineBasicMaterial();\n\n\t\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\t\tmaterial = new PointsMaterial( { size: 1, sizeAttenuation: false } );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tmaterial = new MeshPhongMaterial();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tmaterial.name = sourceMaterial.name;\n\t\t\t\t\t\tmaterial.flatShading = sourceMaterial.smooth ? false : true;\n\t\t\t\t\t\tmaterial.vertexColors = hasVertexColors;\n\n\t\t\t\t\t\tstate.materials[ materialHash ] = material;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcreatedMaterials.push( material );\n\n\t\t\t\t}\n\n\t\t\t\t// Create mesh\n\n\t\t\t\tlet mesh;\n\n\t\t\t\tif ( createdMaterials.length > 1 ) {\n\n\t\t\t\t\tfor ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {\n\n\t\t\t\t\t\tconst sourceMaterial = materials[ mi ];\n\t\t\t\t\t\tbuffergeometry.addGroup( sourceMaterial.groupStart, sourceMaterial.groupCount, mi );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\tmesh = new LineSegments( buffergeometry, createdMaterials );\n\n\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\tmesh = new Points( buffergeometry, createdMaterials );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tmesh = new Mesh( buffergeometry, createdMaterials );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\tmesh = new LineSegments( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\tmesh = new Points( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tmesh = new Mesh( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tmesh.name = object.name;\n\n\t\t\t\tcontainer.add( mesh );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// if there is only the default parser state object with no geometry data, interpret data as point cloud\n\n\t\t\tif ( state.vertices.length > 0 ) {\n\n\t\t\t\tconst material = new PointsMaterial( { size: 1, sizeAttenuation: false } );\n\n\t\t\t\tconst buffergeometry = new BufferGeometry();\n\n\t\t\t\tbuffergeometry.setAttribute( 'position', new Float32BufferAttribute( state.vertices, 3 ) );\n\n\t\t\t\tif ( state.colors.length > 0 && state.colors[ 0 ] !== undefined ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'color', new Float32BufferAttribute( state.colors, 3 ) );\n\t\t\t\t\tmaterial.vertexColors = true;\n\n\t\t\t\t}\n\n\t\t\t\tconst points = new Points( buffergeometry, material );\n\t\t\t\tcontainer.add( points );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn container;\n\n\t}\n\n}\n\nexport { OBJLoader };\n", "import * as THREE from 'three';\n\nimport type { PerspectiveCamera } from 'three';\n\nimport { EphemPresets } from './EphemPresets';\nimport { Orbit } from './Orbit';\nimport { getFullTextureUrl } from './util';\nimport { rescaleArray, rescaleNumber } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\nimport type { Ephem } from './Ephem';\nimport type { EphemerisTable } from './EphemerisTable';\nimport type {\n Simulation,\n SimulationContext,\n SimulationObject,\n} from './Simulation';\n\nexport interface SpaceObjectOptions {\n position?: Coordinate3d;\n scale?: [number, number, number];\n particleSize?: number;\n labelText?: string;\n labelUrl?: string;\n hideOrbit?: boolean;\n axialTilt?: number;\n color?: number;\n radius?: number;\n levelsOfDetail?: { radii: number; segments: number }[];\n atmosphere?: {\n color?: number;\n innerSizeRatio?: number;\n outerSizeRatio?: number;\n enable?: boolean;\n };\n orbitPathSettings?: {\n leadDurationYears?: number;\n trailDurationYears?: number;\n numberSamplePoints?: number;\n };\n ephem?: Ephem;\n ephemTable?: EphemerisTable;\n textureUrl?: string;\n basePath?: string;\n rotation?: {\n enable: boolean;\n period: number;\n speed?: number;\n lambdaDeg?: number;\n betaDeg?: number;\n yorp?: number;\n phi0?: number;\n jd0?: number;\n };\n shape?: {\n shapeUrl?: string;\n color?: number;\n };\n ecliptic?: {\n lineColor?: number;\n displayLines?: boolean;\n };\n theme?: {\n color?: number;\n orbitColor?: number;\n };\n debug?: {\n showAxes: boolean;\n showGrid: boolean;\n };\n}\n\n/**\n * @private\n * Minimum number of degrees per day an object must move in order for its\n * position to be updated in the visualization.\n */\n// const MIN_DEG_MOVE_PER_DAY: number = 0.05;\n\n/**\n * @private\n * Number of milliseconds between label position updates.\n */\nconst LABEL_UPDATE_MS: number = 30;\n\n/**\n * @private\n * Converts [X, Y, Z] position in visualization to pixel coordinates.\n */\nfunction toScreenXY(\n position: Coordinate3d,\n camera: PerspectiveCamera,\n canvas: HTMLCanvasElement,\n): { x: number; y: number } {\n const pos = new THREE.Vector3(position[0], position[1], position[2]);\n pos.project(camera);\n return {\n x: ((pos.x + 1) * canvas.clientWidth) / 2,\n y: ((-pos.y + 1) * canvas.clientHeight) / 2,\n };\n}\n\n/**\n * An object that can be added to a visualization.\n * @example\n * ```\n * const myObject = viz.addObject('planet1', {\n * position: [0, 0, 0],\n * scale: [1, 1, 1],\n * particleSize: 5,\n * labelText: 'My object',\n * labelUrl: 'http://...',\n * hideOrbit: false,\n * ephem: new Spacekit.Ephem({...}),\n * textureUrl: '/path/to/spriteTexture.png',\n * basePath: '/base',\n * ecliptic: {\n * lineColor: 0xCCCCCC,\n * displayLines: false,\n * },\n * theme: {\n * color: 0xFFFFFF,\n * orbitColor: 0x888888,\n * },\n * });\n * ```\n */\nexport class SpaceObject implements SimulationObject {\n protected _id: string;\n\n protected _options: SpaceObjectOptions;\n\n protected _simulation: Simulation;\n\n protected _context: SimulationContext;\n\n protected _renderMethod?:\n | 'SPRITE'\n | 'PARTICLESYSTEM'\n | 'ROTATING_OBJECT'\n | 'SPHERE';\n\n protected _initialized: boolean;\n\n private _object3js?: THREE.Object3D;\n\n private _useEphemTable: boolean;\n\n private _isStaticObject: boolean;\n\n private _label?: HTMLElement;\n\n private _showLabel: boolean;\n\n private _lastLabelUpdate: number;\n\n // private _lastPositionUpdate: number;\n\n private _position: Coordinate3d;\n\n private _orbitAround?: SpaceObject;\n\n private _scale: [number, number, number];\n\n private _particleIndex?: number;\n\n // private _degreesPerDay?: number;\n\n private _orbitPath?: THREE.Object3D;\n\n private _eclipticLines?: THREE.Object3D;\n\n private _orbit?: Orbit;\n\n /**\n * @param {String} id Unique id of this object\n * @param {Object} options Options container\n * @param {Array.} options.position [X, Y, Z] heliocentric coordinates of object. Defaults to [0, 0, 0]\n * @param {Array.} options.scale Scale of object on each [X, Y, Z] axis. Defaults to [1, 1, 1]\n * @param {Number} options.particleSize Size of particle if this object is a Kepler object being represented as a particle.\n * @param {String} options.labelText Text label to display above object (set undefined for no label)\n * @param {String} options.labelUrl Label becomes a link that goes to this url.\n * @param {boolean} options.hideOrbit If true, don't show an orbital ellipse. Defaults false.\n * @param {Object} options.orbitPathSettings Contains settings for defining the orbit path\n * @param {Object} options.orbitPathSettings.leadDurationYears orbit path lead time in years\n * @param {Object} options.orbitPathSettings.trailDurationYears orbit path trail time in years\n * @param {Object} options.orbitPathSettings.numberSamplePoints number of\n * points to use when drawing the orbit line. Only applicable for\n * non-elliptical and ephemeris table orbits.\n * @param {Ephem} options.ephem Ephemerides for this orbit\n * @param {EphemerisTable} options.ephemTable ephemeris table object which represents look up ephemeris\n * @param {String} options.textureUrl Texture for sprite\n * @param {String} options.basePath Base path for simulation assets and data\n * @param {Object} options.ecliptic Contains settings related to ecliptic\n * @param {Number} options.ecliptic.lineColor Hex color of lines that run perpendicular to ecliptic. @see Orbit\n * @param {boolean} options.ecliptic.displayLines Whether to show ecliptic lines. Defaults false.\n * @param {Object} options.theme Contains settings related to appearance of orbit\n * @param {Number} options.theme.color Hex color of the object, if applicable\n * @param {Number} options.theme.orbitColor Hex color of the orbit\n * @param {Simulation} contextOrSimulation Simulation context or simulation object\n * @param {boolean} autoInit Automatically initialize this object. If false\n * you must call init() manually.\n */\n constructor(\n id: string,\n options: SpaceObjectOptions,\n simulation: Simulation,\n autoInit: boolean = true,\n ) {\n this._id = id;\n this._options = options || {};\n this._object3js = undefined;\n this._useEphemTable = this._options.ephemTable !== undefined;\n this._isStaticObject = !this._options.ephem && !this._useEphemTable;\n\n this._simulation = simulation;\n this._context = simulation.getContext();\n\n this._label = undefined;\n this._showLabel = false;\n this._lastLabelUpdate = 0;\n // this._lastPositionUpdate = 0;\n\n this._position = rescaleArray(this._options.position || [0, 0, 0]);\n this._orbitAround = undefined;\n this._scale = this._options.scale || [1, 1, 1];\n\n // The method of rendering used for this object (e.g. SPRITE, PARTICLESYSTEM).\n this._renderMethod = undefined;\n\n // The index of this particle in the KeplerParticles system, if applicable.\n this._particleIndex = undefined;\n\n // Number of degrees moved per day. Used to limit the number of orbit\n // updates for very slow moving objects.\n /*\n this._degreesPerDay = this._options.ephem\n ? this._options.ephem.get('n', 'deg')\n : undefined;\n */\n\n this._initialized = false;\n if (autoInit && !this.init()) {\n console.warn(`SpaceObject ${id}: failed to initialize`);\n }\n }\n\n /**\n * Initializes label and three.js objects. Called automatically unless you've\n * set autoInit to false in constructor (this init is suppressed by some\n * child classes).\n */\n init(): boolean {\n this.renderObject();\n\n if (this._options.labelText) {\n const labelElt = this.createLabel();\n this._simulation.getSimulationElement().appendChild(labelElt);\n this._label = labelElt;\n this._showLabel = true;\n }\n\n /**\n * Caching of THREE.js objects for orbitPath\n */\n this._orbitPath = undefined;\n this._eclipticLines = undefined;\n\n this.update(this._simulation.getJd(), true /* force */);\n\n this._initialized = true;\n return true;\n }\n\n /**\n * @protected\n * Used by child classes to set the object that gets its position updated.\n * @param {THREE.Object3D} obj Any THREE.js object\n */\n protected setPositionedObject(obj: THREE.Object3D) {\n this._object3js = obj;\n }\n\n /**\n * @private\n * Build the THREE.js object for this SpaceObject.\n */\n private renderObject() {\n if (this.isStaticObject()) {\n if (!this._renderMethod) {\n // TODO(ian): It kinda sucks to have SpaceObject care about\n // renderMethod, which is set by children.\n\n // Create a stationary sprite.\n this._object3js = this.createSprite();\n if (this._simulation) {\n // Add it all to visualization.\n this._simulation.addObject(this, false /* noUpdate */);\n }\n this._renderMethod = 'SPRITE';\n }\n } else {\n // Create the orbit no matter what - it's used to get current position\n // for CPU-positioned objects (e.g. child RotatingObjects, SphereObjects,\n // ShapeObjects).\n // TODO(ian): Only do this if we need to compute orbit position on the\n // CPU or display an orbit path.\n this._orbit = this.createOrbit();\n\n if (!this._options.hideOrbit && this._simulation) {\n // Add it all to visualization.\n this._simulation.addObject(this, false /* noUpdate */);\n }\n\n if (this._useEphemTable) {\n if (!this._renderMethod) {\n this._object3js = this.createSprite();\n if (this._simulation) {\n this._simulation.addObject(this, true);\n }\n this._renderMethod = 'SPRITE';\n }\n }\n\n if (!this._renderMethod) {\n if (!this._options.ephem) {\n throw new Error(\n 'Attempting to create a particle system, but ephemeris are not available.',\n );\n }\n // Create a particle representing this object on the GPU.\n this._particleIndex = this._context.objects.particles.addParticle(\n this._options.ephem,\n {\n particleSize: this._options.particleSize,\n color: this.getColor(),\n },\n );\n this._renderMethod = 'PARTICLESYSTEM';\n }\n }\n }\n\n /**\n * @private\n * Builds the label div and adds it to the visualization\n * @return {HTMLElement} A div that contains the label for this object\n */\n private createLabel(): HTMLElement {\n const text = document.createElement('div');\n text.className = 'spacekit__object-label';\n\n const { labelText, labelUrl } = this._options;\n if (this._options.labelUrl) {\n text.innerHTML = ``;\n } else {\n text.innerHTML = `
${labelText}
`;\n }\n text.style.fontFamily = 'Arial';\n text.style.fontSize = '12px';\n text.style.color = '#fff';\n text.style.position = 'absolute';\n\n text.style.backgroundColor = '#0009';\n text.style.outline = '1px solid #5f5f5f';\n\n return text;\n }\n\n /**\n * @private\n * Updates the label's position\n * @param {Array.Number} newpos Position of the label in the visualization's\n * coordinate system\n */\n private updateLabelPosition(newpos: Coordinate3d) {\n if (!this._label) {\n throw new Error('Attempted to update label position without a label');\n }\n\n const label = this._label;\n const simulationElt = this._simulation.getSimulationElement();\n const pos = toScreenXY(\n newpos,\n this._simulation.getViewer().get3jsCamera(),\n simulationElt,\n );\n const loc = {\n left: pos.x,\n top: pos.y,\n right: pos.x + label.clientWidth,\n bottom: pos.y + label.clientHeight,\n };\n if (\n loc.left - 30 > 0 &&\n loc.right + 20 < simulationElt.clientWidth &&\n loc.top - 25 > 0 &&\n loc.bottom < simulationElt.clientHeight\n ) {\n label.style.left = `${loc.left - label.clientWidth / 2}px`;\n label.style.top = `${loc.top - label.clientHeight - 8}px`;\n label.style.visibility = 'visible';\n } else {\n label.style.visibility = 'hidden';\n }\n }\n\n /**\n * @private\n * Builds the sprite for this object\n * @return {THREE.Sprite} A sprite object\n */\n private createSprite(): THREE.Sprite {\n if (!this._options.textureUrl) {\n throw new Error('Cannot create sprite without a textureUrl');\n }\n const fullTextureUrl = getFullTextureUrl(\n this._options.textureUrl,\n this._context.options.basePath,\n );\n const texture = new THREE.TextureLoader().load(fullTextureUrl);\n texture.encoding = THREE.LinearEncoding;\n const sprite = new THREE.Sprite(\n new THREE.SpriteMaterial({\n map: texture,\n blending: THREE.AdditiveBlending,\n depthWrite: false,\n color: this._options.theme ? this._options.theme.color : 0xffffff,\n }),\n );\n const scale = rescaleArray(this._scale);\n sprite.scale.set(scale[0], scale[1], scale[2]);\n const position = this.getPosition(this._simulation.getJd());\n sprite.position.set(position[0], position[1], position[2]);\n\n if (this.isStaticObject()) {\n sprite.updateMatrix();\n sprite.matrixAutoUpdate = false;\n }\n\n return sprite;\n }\n\n /**\n * @private\n * Builds the {Orbit} for this object\n * @return {Orbit} An orbit object\n */\n private createOrbit(): Orbit {\n if (this._orbit) {\n return this._orbit;\n }\n\n const ephem = this._useEphemTable\n ? this._options.ephemTable\n : this._options.ephem;\n if (!ephem) {\n throw new Error('Cannot create orbit without Ephem or EphemerisTable');\n }\n return new Orbit(ephem, {\n orbitPathSettings: this._options.orbitPathSettings,\n color: this._options.theme ? this._options.theme.orbitColor : undefined,\n eclipticLineColor: this._options.ecliptic\n ? this._options.ecliptic.lineColor\n : undefined,\n });\n }\n\n /**\n * @private\n * Determines whether to update the position of an update. Don't update if JD\n * threshold is less than a certain amount.\n * @param {Number} afterJd Next JD\n * @return {boolean} Whether to update\n */\n private shouldUpdateObjectPosition(afterJd: number): boolean {\n // TODO(ian): Reenable this as a function of zoom level, because as you get\n // closer the chopiness gets more noticeable.\n return true;\n /*\n if (!this._degreesPerDay || !this._lastPositionUpdate) {\n return true;\n }\n const degMove = this._degreesPerDay * (afterJd - this._lastPositionUpdate);\n if (degMove < MIN_DEG_MOVE_PER_DAY) {\n return false;\n }\n return true;\n */\n }\n\n /**\n * Make this object orbit another orbit.\n * @param {Object} spaceObj The SpaceObject that will serve as the origin of this object's orbit.\n */\n orbitAround(spaceObj: SpaceObject) {\n this._orbitAround = spaceObj;\n }\n\n /**\n * Updates the position of this object. Applicable only if this object is a\n * sprite and not a particle type.\n * @param {Number} x X position\n * @param {Number} y Y position\n * @param {Number} z Z position\n */\n setPosition(x: number, y: number, z: number) {\n this._position[0] = rescaleNumber(x);\n this._position[1] = rescaleNumber(y);\n this._position[2] = rescaleNumber(z);\n }\n\n /**\n * Gets the visualization coordinates of this object at a given time.\n * @param {Number} jd JD date\n * @return {Array.} [X, Y,Z] coordinates\n */\n getPosition(jd: number): Coordinate3d {\n const pos = this._position;\n if (!this._orbit) {\n // Default implementation, a static object.\n return pos;\n }\n\n const posModified = this._orbit.getPositionAtTime(jd);\n if (this._orbitAround) {\n const parentPos = this._orbitAround.getPosition(jd);\n return [\n pos[0] + posModified[0] + parentPos[0],\n pos[1] + posModified[1] + parentPos[1],\n pos[2] + posModified[2] + parentPos[2],\n ];\n }\n return [\n pos[0] + posModified[0],\n pos[1] + posModified[1],\n pos[2] + posModified[2],\n ];\n }\n\n /**\n * Updates the object and its label positions for a given time.\n * @param {Number} jd JD date\n * @param {boolean} force Whether to force an update regardless of checks for\n * movement.\n */\n update(jd: number, force: boolean = false) {\n let newpos;\n if (this._label) {\n // Labels must update, even for static objects.\n // TODO(ian): Determine this based on orbit and camera position change.\n const meetsLabelUpdateThreshold =\n +new Date() - this._lastLabelUpdate > LABEL_UPDATE_MS;\n const shouldUpdateLabelPos =\n force || (this._showLabel && meetsLabelUpdateThreshold);\n if (shouldUpdateLabelPos) {\n if (!newpos) {\n newpos = this.getPosition(jd);\n }\n this.updateLabelPosition(newpos);\n this._lastLabelUpdate = +new Date();\n }\n }\n\n if (this.isStaticObject() && !force) {\n return;\n }\n\n let shouldUpdateObjectPosition = false;\n if (this._object3js || this._label) {\n shouldUpdateObjectPosition = force || this.shouldUpdateObjectPosition(jd);\n }\n if (this._object3js && shouldUpdateObjectPosition) {\n newpos = this.getPosition(jd);\n this._object3js.position.set(newpos[0], newpos[1], newpos[2]);\n // this._lastPositionUpdate = jd;\n }\n\n const orbitNeedsRefreshing =\n !this._orbitPath || this._orbit?.needsUpdateForTime(jd);\n if (this._orbit && !this._options.hideOrbit && orbitNeedsRefreshing) {\n if (this._orbitPath) {\n this._simulation.getScene().remove(this._orbitPath);\n }\n this._orbitPath = this._orbit.getOrbitShape(jd, true);\n this._simulation.getScene().add(this._orbitPath);\n }\n\n const eclipticNeedsRefreshing =\n !this._eclipticLines || orbitNeedsRefreshing;\n if (\n this._orbit &&\n this._options.ecliptic &&\n this._options.ecliptic.displayLines &&\n eclipticNeedsRefreshing\n ) {\n if (this._eclipticLines) {\n this._simulation.getScene().remove(this._eclipticLines);\n }\n this._eclipticLines = this._orbit.getLinesToEcliptic();\n this._simulation.getScene().add(this._eclipticLines);\n }\n\n if (this._orbitAround) {\n const parentPos = this._orbitAround.getPosition(jd);\n if (this._renderMethod === 'PARTICLESYSTEM') {\n // TODO(ian): Only do this when the origin changes\n this._context.objects.particles?.setParticleOrigin(\n this._particleIndex!,\n parentPos,\n );\n }\n\n if (!this._options.hideOrbit) {\n this._orbitPath?.position.set(parentPos[0], parentPos[1], parentPos[2]);\n }\n if (!newpos) {\n newpos = this.getPosition(jd);\n }\n }\n }\n\n /**\n * Gets the THREE.js objects that represent this SpaceObject. The first\n * object returned is the primary object. Other objects may be returned,\n * such as rings, ellipses, etc.\n * @return {Array.} A list of THREE.js objects\n */\n get3jsObjects(): THREE.Object3D[] {\n const ret = [];\n if (this._object3js) {\n ret.push(this._object3js);\n }\n if (this._orbit) {\n if (this._orbitPath) {\n ret.push(this._orbitPath);\n }\n\n if (this._eclipticLines) {\n ret.push(this._eclipticLines);\n }\n }\n return ret;\n }\n\n /**\n * Specifies the object that is used to compute the bounding box. By default,\n * this will be the first THREE.js object in this class's list of objects.\n * @return {THREE.Object3D} THREE.js object\n */\n async getBoundingObject(): Promise {\n return Promise.resolve(this.get3jsObjects()[0]);\n }\n\n /**\n * Gets the color of this object. Usually this corresponds to the color of\n * the dot representing the object as well as its orbit.\n * @return {Number} A hexidecimal color value, e.g. 0xFFFFFF\n */\n getColor(): number {\n if (this._options.theme) {\n return this._options.theme.color || 0xffffff;\n }\n return 0xffffff;\n }\n\n /**\n * Gets the {Orbit} object for this SpaceObject.\n * @return {Orbit} Orbit object\n */\n getOrbit(): Orbit | undefined {\n return this._orbit;\n }\n\n /**\n * Gets label visilibity status.\n * @return {boolean} Whether label is visible.\n */\n getLabelVisibility(): boolean {\n return this._showLabel;\n }\n\n /**\n * Toggle the visilibity of the label.\n * @param {boolean} val Whether to show or hide.\n */\n setLabelVisibility(val: boolean) {\n if (!this._label) {\n throw new Error('Attempted to set label visibility without a label');\n }\n\n if (val) {\n this._showLabel = true;\n this._label.style.display = 'block';\n } else {\n this._showLabel = false;\n this._label.style.display = 'none';\n }\n }\n\n /**\n * Gets the unique ID of this object.\n * @return {String} Unique ID\n */\n getId(): string {\n return this._id;\n }\n\n /**\n * Determines whether object is static (can't change its position) or whether\n * its position can be updated (ie, it has ephemeris)\n * @return {boolean} Whether this object can change its position.\n */\n isStaticObject(): boolean {\n return this._isStaticObject;\n }\n\n /**\n * Determines whether object is ready to be measured or added to scene.\n * @return {boolean} True if ready\n */\n isReady(): boolean {\n return this._initialized;\n }\n\n removalCleanup() {\n if (this._label) {\n this._simulation.getSimulationElement().removeChild(this._label);\n this._label = undefined;\n }\n\n if (this._particleIndex !== undefined) {\n this._context?.objects.particles.hideParticle(this._particleIndex);\n }\n }\n}\n\nconst DEFAULT_PLANET_TEXTURE_URL = '{{assets}}/sprites/smallparticle.png';\n\n/**\n * Useful presets for creating SpaceObjects.\n * @example\n * ```\n * const myobject = viz.addObject('planet1', Spacekit.SpaceObjectPresets.MERCURY);\n * ```\n */\nexport const SpaceObjectPresets = {\n SUN: {\n textureUrl: '{{assets}}/sprites/lensflare0.png',\n position: [0, 0, 0],\n },\n MERCURY: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x913cee,\n },\n ephem: EphemPresets.MERCURY,\n },\n VENUS: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xff7733,\n },\n ephem: EphemPresets.VENUS,\n },\n EARTH: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x009acd,\n },\n ephem: EphemPresets.EARTH,\n },\n MOON: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xffd700,\n },\n ephem: EphemPresets.MOON,\n\n // Special params\n particleSize: 6,\n },\n MARS: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xa63a3a,\n },\n ephem: EphemPresets.MARS,\n },\n JUPITER: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xffb90f,\n },\n ephem: EphemPresets.JUPITER,\n },\n SATURN: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x336633,\n },\n ephem: EphemPresets.SATURN,\n },\n URANUS: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x0099ff,\n },\n ephem: EphemPresets.URANUS,\n },\n NEPTUNE: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x3333ff,\n },\n ephem: EphemPresets.NEPTUNE,\n },\n PLUTO: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xccc0b0,\n },\n ephem: EphemPresets.PLUTO,\n },\n};\n", "import * as THREE from 'three';\n\nimport Units from './Units';\nimport { SpaceObject } from './SpaceObject';\nimport { rescaleVector } from './Scale';\n\nimport type { Simulation } from './Simulation';\nimport type { SpaceObjectOptions } from './SpaceObject';\n\nfunction getAxis(src: THREE.Vector3, dst: THREE.Vector3, color: number) {\n const mat = new THREE.LineBasicMaterial({ linewidth: 3, color });\n const geom = new THREE.BufferGeometry().setFromPoints([\n rescaleVector(src).clone(),\n rescaleVector(dst).clone(),\n ]);\n\n const axis = new THREE.Line(geom, mat);\n axis.computeLineDistances();\n return axis;\n}\n\nfunction getAxes() {\n return [\n getAxis(new THREE.Vector3(0, 0, 0), new THREE.Vector3(3, 0, 0), 0xff0000),\n getAxis(new THREE.Vector3(0, 0, 0), new THREE.Vector3(0, 3, 0), 0x00ff00),\n getAxis(new THREE.Vector3(0, 0, 0), new THREE.Vector3(0, 0, 3), 0x0000ff),\n ];\n}\n\n/**\n * This class simulates an object that spins according to provided rotational\n * parameters.\n */\nexport class RotatingObject extends SpaceObject {\n protected _obj: THREE.Object3D;\n\n protected _materials: THREE.Material[];\n\n private _objectIsRotatable: boolean;\n\n // private _axisRotationAngleOffset: number;\n\n private _axisOfRotation?: THREE.Vector3;\n\n /*\n * FIXME(ian): This implementation is still WIP! Rotational parameters are not\n * used right now.\n * @param {boolean} options.rotation.enable Rotate the object\n * @param {Number} options.rotation.speed Factor that determines speed of rotation\n * @param {Number} options.rotation.lambdaDeg Ecliptic longitude lambda, in degrees\n * @param {Number} options.rotation.betaDeg Ecliptic longitude beta, in degrees\n * @param {Number} options.rotation.period Rotational period, in JD\n * @param {Number} options.rotation.yorp YORP coefficient, if any (defaults to 0)\n * @param {Number} options.rotation.phi0 Initial rotation phi, in degrees (defaults to 0)\n * @param {Number} options.rotation.jd0 JD epoch of rotational parameters\n * @see SpaceObject\n */\n constructor(\n id: string,\n options: SpaceObjectOptions,\n simulation: Simulation,\n autoInit: boolean = true,\n ) {\n super(id, options, simulation, false /* autoInit */);\n\n // The THREE.js object\n this._obj = new THREE.Object3D();\n this._renderMethod = 'ROTATING_OBJECT';\n super.setPositionedObject(this._obj);\n\n this._objectIsRotatable = false;\n if (this._options.rotation) {\n this._objectIsRotatable = true;\n }\n\n // Offset of axis angle\n // this._axisRotationAngleOffset = 0;\n this._axisOfRotation = undefined;\n\n // Keep track of materials that comprise this object.\n this._materials = [];\n\n if (autoInit) {\n this.init();\n }\n }\n\n override init(): boolean {\n if (this._objectIsRotatable) {\n this.initRotation();\n }\n\n if (this._options.debug) {\n if (this._options.debug.showAxes) {\n getAxes().forEach((axis) => this._obj.add(axis));\n }\n\n if (this._options.debug.showGrid) {\n const gridHelper = new THREE.GridHelper(3, 3, 0xff0000, 0xffeeee);\n gridHelper.geometry.rotateX(Math.PI / 2);\n this._obj.add(gridHelper);\n }\n }\n\n return super.init();\n }\n\n initRotation() {\n if (!this._options.rotation) {\n throw new Error(\n 'Must specify `rotation` option when creating a RotatingObject',\n );\n }\n\n const { rotation } = this._options;\n if (typeof rotation.jd0 === 'undefined') {\n return;\n }\n\n // Formula\n // https://astro.troja.mff.cuni.cz/projects/asteroids3D/web.php?page=db_description\n\n // Testing this asteroid:\n // http://astro.troja.mff.cuni.cz/projects/asteroids3D/web.php?page=db_asteroid_detail&asteroid_id=1504\n // Model 2691\n const { PI } = Math;\n\n // Cacus\n // http://astro.troja.mff.cuni.cz/projects/asteroids3D/web.php?page=db_asteroid_detail&asteroid_id=1046\n // http://astro.troja.mff.cuni.cz/projects/asteroids3D/php.php?script=db_sky_projection&model_id=1863&jd=2443568.0\n\n // Latitude\n const lambda = Units.rad(rotation.lambdaDeg || 0);\n\n // Longitude\n const beta = Units.rad(rotation.betaDeg || 0);\n\n // Other\n const P = rotation.period;\n const YORP = rotation.yorp || 0;\n const phi0 = Units.rad(rotation.phi0 || 0);\n const JD = this._simulation.getJd();\n const JD0 = rotation.jd0;\n\n // Asteroid rotation\n // this._obj.rotateOnWorldAxis(new THREE.Vector3(0, 0, 1), lambda);\n // this._obj.rotateOnWorldAxis(new THREE.Vector3(0, 1, 0), beta);\n\n // Adjust Z axis according to time.\n const zAdjust =\n phi0 +\n ((2 * PI) / P) * (JD - JD0) +\n (1 / 2) * YORP * Math.pow(JD - JD0, 2);\n this._obj.rotateY(-(PI / 2 - beta));\n this._obj.rotateZ(-lambda);\n this._obj.rotateZ(zAdjust);\n }\n\n /**\n * Updates the object and its label positions for a given time.\n * @param {Number} jd JD date\n */\n override update(jd: number, force: boolean = false) {\n if (\n this._obj &&\n this._objectIsRotatable &&\n this._options.rotation &&\n this._options.rotation.enable\n ) {\n // For now, just rotate on X axis.\n const speed = this._options.rotation.speed || 0.5;\n this._obj.rotation.z += speed * (Math.PI / 180);\n this._obj.rotation.z %= 360;\n }\n if (this._axisOfRotation) {\n // this._obj.rotateOnAxis(this._axisOfRotation, 0.01);\n }\n // this._obj.rotateZ(0.015)\n // this._obj.rotateOnWorldAxis(new THREE.Vector3(0, 0, 1), 0.01);\n\n // Update position\n super.update(jd, force);\n }\n\n /**\n * Gets the THREE.js objects that represent this SpaceObject.\n * @return {Array.} A list of THREE.js objects\n */\n override get3jsObjects(): THREE.Object3D[] {\n const ret = super.get3jsObjects();\n // Add to the front, because this is the primary object.\n ret.unshift(this._obj);\n return ret;\n }\n\n /**\n * Begin rotating this object.\n */\n startRotation() {\n if (!this._options.rotation) {\n throw new Error(\n 'Must specify `rotation` option when creating a RotatingObject',\n );\n }\n this._options.rotation.enable = true;\n }\n\n /**\n * Stop rotation of this object.\n */\n stopRotation() {\n if (!this._options.rotation) {\n throw new Error(\n 'Must specify `rotation` option when creating a RotatingObject',\n );\n }\n this._options.rotation.enable = false;\n }\n}\n", "import * as THREE from 'three';\nimport { OBJLoader } from 'three/examples/jsm/loaders/OBJLoader';\n\nimport { RotatingObject } from './RotatingObject';\n\nimport type { Simulation } from './Simulation';\nimport type { SpaceObjectOptions } from './SpaceObject';\n\nexport class ShapeObject extends RotatingObject {\n private shapeObj: THREE.Object3D | undefined;\n\n private loadingPromise: Promise;\n\n /**\n * @param {Object} options.shape Shape specification\n * @param {String} options.shape.type Type of object (\"custom\" or \"sphere\")\n * @param {String} options.shape.shapeUrl Path to shapefile if type is \"custom\"\n * @param {Number} options.shape.textureUrl Optional texture map for shape\n * @param {Number} options.shape.color Color of shape materials. Default 0xcccccc\n * @param {Number} options.shape.radius Radius, if applicable. Defaults to 1\n * @param {Object} options.shape.debug Debug options\n * @param {boolean} options.shape.debug.showAxes Show axes\n * rotation speed. Default 0.5\n * @see SpaceObject\n * @see RotatingObject\n */\n constructor(id: string, options: SpaceObjectOptions, simulation: Simulation) {\n super(id, options, simulation, false /* autoInit */);\n if (!options.shape) {\n throw new Error('ShapeObject requires an options.shape object');\n }\n if (!options.shape?.shapeUrl) {\n throw new Error(\n 'Must specify shape.shapeUrl when creating a ShapeObject',\n );\n }\n\n this.shapeObj = undefined;\n\n const manager = new THREE.LoadingManager();\n manager.onProgress = (item: string, loaded: number, total: number) => {\n console.info(this._id, item, 'loading progress:', loaded, '/', total);\n };\n this.loadingPromise = new Promise((resolve) => {\n const loader = new OBJLoader(manager);\n // TODO(ian): Make shapeurl follow assetpath logic.\n loader.load(options.shape!.shapeUrl!, (object) => {\n object.traverse((child) => {\n if (child instanceof THREE.Mesh) {\n const material = new THREE.MeshStandardMaterial({\n color: this._options.shape!.color || 0xcccccc,\n });\n child.material = material;\n child.geometry.scale(0.05, 0.05, 0.05);\n /*\n child.geometry.computeFaceNormals();\n child.geometry.computeVertexNormals();\n child.geometry.computeBoundingBox();\n */\n this._materials.push(material);\n }\n });\n\n this.shapeObj = object;\n this._obj.add(object);\n\n if (this._simulation) {\n // Add it all to visualization.\n this._simulation.addObject(this, false /* noUpdate */);\n }\n\n this._initialized = true;\n resolve(this.shapeObj);\n });\n });\n\n // TODO(ian): Create an orbit if applicable\n super.init();\n }\n\n /**\n * Specifies the object that is used to compute the bounding box.\n * @return {THREE.Object3D} THREE.js object\n */\n override async getBoundingObject(): Promise {\n return this.loadingPromise;\n }\n}\n", "import * as THREE from 'three';\n\nimport type {\n Simulation,\n SimulationContext,\n SimulationObject,\n} from './Simulation';\nimport { getFullTextureUrl } from './util';\n\ninterface SkyboxOptions {\n textureUrl: string;\n basePath: string;\n}\n\n/**\n * A class that adds a skybox (technically a skysphere) to a visualization.\n */\nexport class Skybox implements SimulationObject {\n private simulation: Simulation;\n\n private context: SimulationContext;\n\n private id: string;\n\n private options: SkyboxOptions;\n\n private mesh?: THREE.Mesh;\n\n /**\n * @param {Object} options Options\n * @param {String} options.textureUrl Texture to use\n * @param {String} options.basePath Base path to simulation supporting files\n * @param {Simulation} simulation Simulation object\n */\n constructor(options: SkyboxOptions, simulation: Simulation) {\n // TODO(ian): Support for actual box instead of sphere...\n this.options = options;\n this.id = `__skybox_${new Date().getTime()}`;\n\n // User passed in Simulation\n this.simulation = simulation;\n this.context = simulation.getContext();\n\n this.mesh = undefined;\n\n this.init();\n }\n\n /**\n * @private\n */\n private init() {\n const geometry = new THREE.SphereBufferGeometry(1e10, 32, 32);\n\n const fullTextureUrl = getFullTextureUrl(\n this.options.textureUrl,\n this.context.options.basePath,\n );\n const texture = new THREE.TextureLoader().load(fullTextureUrl);\n\n const material = new THREE.MeshBasicMaterial({\n map: texture,\n side: THREE.BackSide,\n });\n\n const sky = new THREE.Mesh(geometry, material);\n\n // See this thread on orientation of milky way:\n // https://www.physicsforums.com/threads/orientation-of-the-earth-sun-and-solar-system-in-the-milky-way.888643/\n sky.rotation.x = 0;\n sky.rotation.y = (-1 / 12) * Math.PI;\n sky.rotation.z = (8 / 5) * Math.PI;\n\n // We're on the inside of the skybox, so invert it to correct it.\n sky.scale.set(-1, 1, 1);\n\n this.mesh = sky;\n\n if (this.simulation) {\n this.simulation.addObject(this, true /* noUpdate */);\n }\n }\n\n /**\n * A list of THREE.js objects that are used to compose the skybox.\n * @return {THREE.Object3D[]} Skybox mesh\n */\n get3jsObjects(): THREE.Object3D[] {\n if (this.mesh) {\n return [this.mesh];\n }\n return [];\n }\n\n /**\n * Get the unique ID of this object.\n * @return {String} id\n */\n getId(): string {\n return this.id;\n }\n\n update() {\n // Skyboxes don't update\n }\n}\n\n/**\n * Preset skybox objects that you can use to add a skybox to your\n * visualization.\n * @example\n * ```\n * const skybox = viz.createSkybox(Spacekit.SkyboxPresets.NASA_TYCHO);\n * ```\n */\nexport const SkyboxPresets: Record = {\n ESO_GIGAGALAXY: {\n textureUrl: '{{assets}}/skybox/eso_milkyway.jpg',\n },\n ESO_LITE: {\n textureUrl: '{{assets}}/skybox/eso_lite.png',\n },\n NASA_TYCHO: {\n // from https://svs.gsfc.nasa.gov/3895\n textureUrl: '{{assets}}/skybox/nasa_tycho.jpg',\n },\n};\n", "import * as THREE from 'three';\n//import { TranslucentShader } from 'three/examples/jsm/shaders/TranslucentShader.js';\n\nimport Units from './Units';\nimport { RotatingObject } from './RotatingObject';\nimport { rescaleNumber } from './Scale';\nimport {\n ATMOSPHERE_SHADER_VERTEX,\n ATMOSPHERE_SHADER_FRAGMENT,\n RING_SHADER_VERTEX,\n RING_SHADER_FRAGMENT,\n SPHERE_SHADER_VERTEX,\n SPHERE_SHADER_FRAGMENT,\n} from './shaders';\n\nimport type { IUniform } from 'three';\nimport type { Simulation } from './Simulation';\nimport type { SpaceObjectOptions } from './SpaceObject';\n\n/**\n * Simulates a planet or other object as a perfect sphere.\n */\nexport class SphereObject extends RotatingObject {\n /**\n * @param {String} options.textureUrl Path to basic texture (optional)\n * @param {String} options.bumpMapUrl Path to bump map (optional)\n * @param {String} options.specularMapUrl Path to specular map (optional)\n * @param {Number} options.color Hex color of the sphere\n * @param {Number} options.axialTilt Axial tilt in degrees\n * @param {Number} options.radius Radius of sphere. Defaults to 1\n * @param {Object} options.levelsOfDetail List of {threshold: x, segments:\n * y}, where `threshold` is radii distance and `segments` is the number\n * number of sphere faces to render.\n * @param {Object} options.atmosphere Atmosphere options\n * @param {Object} options.atmosphere.enable Show atmosphere\n * @param {Object} options.atmosphere.color Atmosphere color\n * @param {Object} options.atmosphere.innerSizeRatio Size ratio of the inner\n * atmosphere to the radius of the sphere. Defaults to 0.025\n * @param {Object} options.atmosphere.outerSizeRatio Size ratio of the outer\n * atmosphere to the radius of the sphere. Defaults to 0.15\n * @param {Object} options.debug Debug options\n * @param {boolean} options.debug.showAxes Show axes\n * @see SpaceObject\n * @see RotatingObject\n */\n constructor(id: string, options: SpaceObjectOptions, simulation: Simulation) {\n super(id, options, simulation, false /* autoInit */);\n\n this.init();\n }\n\n override init(): boolean {\n let map: THREE.Texture | null = null;\n if (this._options.textureUrl) {\n map = new THREE.TextureLoader().load(this._options.textureUrl);\n }\n\n const detailedObj = new THREE.LOD();\n const levelsOfDetail = this._options.levelsOfDetail || [\n { radii: 0, segments: 64 },\n ];\n const radius = this.getScaledRadius();\n\n for (let i = 0; i < levelsOfDetail.length; i += 1) {\n const level = levelsOfDetail[i];\n const sphereGeometry = new THREE.SphereGeometry(\n radius,\n level.segments,\n level.segments,\n );\n\n let material: THREE.ShaderMaterial | THREE.MeshBasicMaterial;\n if (this._simulation.isUsingLightSources()) {\n console.warn(`SphereObject ${this._id} requires a texture when using a light source.`);\n const uniforms: Record = {\n sphereTexture: {\n value: undefined,\n },\n lightPos: {\n value: new THREE.Vector3(),\n },\n };\n // TODO(ian): Handle if no map\n uniforms.sphereTexture.value = map;\n uniforms.lightPos.value.copy(this._simulation.getLightPosition());\n material = new THREE.ShaderMaterial({\n uniforms,\n vertexShader: SPHERE_SHADER_VERTEX,\n fragmentShader: SPHERE_SHADER_FRAGMENT,\n transparent: true,\n });\n } else {\n const color = this._options.color ?? 0xbbbbbb;\n material = new THREE.MeshBasicMaterial({\n map,\n color,\n });\n }\n\n const mesh = new THREE.Mesh(sphereGeometry, material);\n mesh.receiveShadow = true;\n mesh.castShadow = true;\n\n // Change the coordinate system to have Z-axis pointed up.\n mesh.rotation.x = Math.PI / 2;\n\n // Show this number of segments at distance >= radii * level.radii.\n detailedObj.addLevel(mesh, radius * level.radii);\n }\n\n // Add to the parent base object.\n this._obj.add(detailedObj);\n\n if (this._options.atmosphere && this._options.atmosphere.enable) {\n const atmosphere = this.renderFullAtmosphere();\n if (atmosphere) {\n this._obj.add(atmosphere);\n }\n }\n\n if (this._options.axialTilt) {\n this._obj.rotation.y += Units.rad(this._options.axialTilt);\n }\n\n this._renderMethod = 'SPHERE';\n\n if (this._simulation) {\n // Add it all to visualization.\n this._simulation.addObject(this, false /* noUpdate */);\n }\n\n return super.init();\n }\n\n /**\n * @private\n */\n private getScaledRadius(): number {\n return rescaleNumber(this._options.radius || 1);\n }\n\n /**\n * @private\n * Model the atmosphere as two layers - a thick inner layer and a diffuse\n * outer one.\n */\n private renderFullAtmosphere() {\n if (!this._simulation.isUsingLightSources()) {\n console.warn('Cannot render atmosphere without a light source');\n return null;\n }\n\n const radius = this.getScaledRadius();\n const color = new THREE.Color(this._options?.atmosphere?.color ?? 0xffffff);\n\n const innerSize =\n radius * (this._options?.atmosphere?.innerSizeRatio ?? 0.025);\n const outerSize =\n radius * (this._options?.atmosphere?.outerSizeRatio ?? 0.15);\n\n const detailedObj = new THREE.Object3D();\n detailedObj.add(\n this.renderAtmosphereComponent(radius, innerSize, 0.8, 2.0, color),\n );\n detailedObj.add(\n this.renderAtmosphereComponent(radius, outerSize, 0.5, 4.0, color),\n );\n\n // Hide atmosphere beyond some multiple of radius distance.\n // TODO(ian): This effect is somewhat jarring when the atmosphere first\n // appears, also arbitrary...\n const ret = new THREE.LOD();\n ret.addLevel(detailedObj, 0);\n ret.addLevel(new THREE.Object3D(), radius * 24);\n return ret;\n }\n\n /**\n * @private\n * @param {Number} radius Radius of object\n * @param {Number} size Size of atmosphere\n * @param {Number} coefficient Coefficient value\n * @param {Number} power Power value\n * @param {THREE.Color} colorObj Color of atmosphere\n */\n private renderAtmosphereComponent(\n radius: number,\n size: number,\n coefficient: number,\n power: number,\n colorObj: THREE.Color,\n ) {\n const geometry = new THREE.SphereGeometry(radius + size, 32, 32);\n const uniforms = {\n c: { value: coefficient },\n p: { value: power },\n color: { value: colorObj },\n lightPos: { value: new THREE.Vector3() },\n };\n const lightPosition = this._simulation.getLightPosition();\n if (lightPosition) {\n uniforms.lightPos.value.copy(lightPosition);\n }\n // TODO(ian): Handle case where there is no light.\n\n const material = new THREE.ShaderMaterial({\n uniforms,\n vertexShader: ATMOSPHERE_SHADER_VERTEX,\n fragmentShader: ATMOSPHERE_SHADER_FRAGMENT,\n side: THREE.BackSide,\n transparent: true,\n depthWrite: false,\n });\n\n return new THREE.Mesh(geometry, material);\n }\n\n /**\n * Add rings around this object.\n * @param {Number} innerRadiusKm Inner radius of ring.\n * @param {Number} outerRadiusKm Outer radius of ring.\n * @param {String} texturePath Full path to 1xN ring texture. (each pixel\n * represents the color of a full circle within the ring)\n * @param {Number} segments Number of segments to use to render ring.\n * (optional)\n */\n addRings(\n innerRadiusKm: number,\n outerRadiusKm: number,\n texturePath: string,\n segments: number = 128,\n ) {\n const innerRadiusSize = rescaleNumber(Units.kmToAu(innerRadiusKm));\n const outerRadiusSize = rescaleNumber(Units.kmToAu(outerRadiusKm));\n\n const geometry = new THREE.RingGeometry(\n innerRadiusSize,\n outerRadiusSize,\n segments,\n 5,\n 0,\n Math.PI * 2,\n );\n // TODO(ian): Load from base path.\n const map = new THREE.TextureLoader().load(texturePath);\n\n let material;\n if (this._simulation.isUsingLightSources()) {\n // TODO(ian): Follow recommendation for defining ShaderMaterials here:\n // https://discourse.threejs.org/t/cant-get-a-sampler2d-uniform-to-work-from-datatexture/6366/14?u=ianw\n const uniforms = THREE.UniformsUtils.merge([\n // TODO(ian): These failed due to type check. Remove?\n // THREE.UniformsLib.ambient,\n THREE.UniformsLib.lights,\n // THREE.UniformsLib.shadowmap,\n {\n ringTexture: { value: null },\n innerRadius: { value: innerRadiusSize },\n outerRadius: { value: outerRadiusSize },\n lightPos: { value: new THREE.Vector3() },\n },\n ]);\n uniforms.ringTexture.value = map;\n uniforms.lightPos.value.copy(this._simulation.getLightPosition());\n\n material = new THREE.ShaderMaterial({\n uniforms,\n lights: true,\n vertexShader: RING_SHADER_VERTEX,\n fragmentShader: RING_SHADER_FRAGMENT,\n transparent: true,\n alphaTest: 0.1,\n side: THREE.DoubleSide,\n });\n } else {\n material = new THREE.MeshBasicMaterial({\n map,\n side: THREE.DoubleSide,\n transparent: true,\n alphaTest: 0.1,\n opacity: 0.8,\n });\n }\n\n const mesh = new THREE.Mesh(geometry, material);\n mesh.receiveShadow = true;\n mesh.castShadow = true;\n\n this._obj.add(mesh);\n }\n}\n", "import * as THREE from 'three';\n\nimport { STAR_SHADER_VERTEX, STAR_SHADER_FRAGMENT } from './shaders';\n\nimport type { Coordinate3d } from './Coordinates';\nimport type { Simulation, SimulationObject } from './Simulation';\n\ninterface StaticParticleOptions {\n defaultColor: number;\n size: number;\n}\n\nconst DEFAULT_PARTICLE_SIZE = 4;\nconst DEFAULT_COLOR = 0xffffff;\n\n/**\n * Simulates a static particle field in whichever base reference the simulation is in.\n */\nexport class StaticParticles implements SimulationObject {\n private id: string;\n\n private options: StaticParticleOptions;\n\n private simulation: Simulation;\n\n private points: Coordinate3d[];\n\n private pointObject?: THREE.Points;\n\n /**\n *\n * @param {String} id Unique ID for this object\n * @param {Array.Array.} points an array of X,Y,Z cartesian points, one for each particle\n * @param {Object} options container\n * @param {Color} options.defaultColor color to use for all particles can be a THREE string color name or hex value\n * @param {Number} options.size the size of each particle\n * @param {Simulation} simulation Simulation object\n */\n constructor(\n id: string,\n points: Coordinate3d[],\n options: StaticParticleOptions,\n simulation: Simulation,\n ) {\n this.options = options;\n\n this.id = id;\n\n // User passed in Simulation\n this.simulation = simulation;\n\n this.points = points;\n this.pointObject = undefined;\n\n this.init();\n this.simulation.addObject(this, true);\n }\n\n init() {\n const positions = new Float32Array(this.points.length * 3);\n const colors = new Float32Array(this.points.length * 3);\n const sizes = new Float32Array(this.points.length);\n let color = new THREE.Color(DEFAULT_COLOR);\n\n if (this.options.defaultColor) {\n color = new THREE.Color(this.options.defaultColor);\n }\n\n let size = DEFAULT_PARTICLE_SIZE;\n\n if (this.options.size) {\n size = this.options.size;\n }\n\n for (let i = 0, l = this.points.length; i < l; i++) {\n const vertex = this.points[i];\n positions.set(vertex, i * 3);\n color.toArray(colors, i * 3);\n sizes[i] = size;\n }\n\n const geometry = new THREE.BufferGeometry();\n geometry.setAttribute('position', new THREE.BufferAttribute(positions, 3));\n geometry.setAttribute('color', new THREE.BufferAttribute(colors, 3));\n geometry.setAttribute('size', new THREE.BufferAttribute(sizes, 1));\n\n const material = new THREE.ShaderMaterial({\n vertexColors: true,\n vertexShader: STAR_SHADER_VERTEX,\n fragmentShader: STAR_SHADER_FRAGMENT,\n transparent: true,\n });\n\n this.pointObject = new THREE.Points(geometry, material);\n }\n\n /**\n * A list of THREE.js objects that are used to compose the particle system.\n * @return {THREE.Object3D} Point geometry\n */\n get3jsObjects(): THREE.Object3D[] {\n if (this.pointObject) {\n return [this.pointObject];\n }\n return [];\n }\n\n /**\n * Get the unique ID of this object.\n * @return {String} id\n */\n getId(): string {\n return this.id;\n }\n\n update() {\n // Static particles don't update\n }\n}\n", "import * as THREE from 'three';\n\nimport Coordinates from './Coordinates';\nimport Units from './Units';\nimport { STAR_SHADER_VERTEX, STAR_SHADER_FRAGMENT } from './shaders';\nimport { getFullUrl } from './util';\n\nimport type {\n Simulation,\n SimulationContext,\n SimulationObject,\n} from './Simulation';\n\ninterface StarOptions {\n minSize?: number;\n}\n\ntype StarRecord = [number, number, number, number];\n\n/**\n * Maps spectral class to star color\n * @param temp {Number} Star temperature in Kelvin\n * @return {Number} Color for star of given spectral class\n */\nfunction getColorForStar(temp: number): number {\n if (temp >= 30000) return 0x92b5ff;\n if (temp >= 10000) return 0xa2c0ff;\n if (temp >= 7500) return 0xd5e0ff;\n if (temp >= 6000) return 0xf9f5ff;\n if (temp >= 5200) return 0xffede3;\n if (temp >= 3700) return 0xffdab5;\n if (temp >= 2400) return 0xffb56c;\n return 0xffb56c;\n}\n\n/**\n * Returns the pixel size of a star.\n * @param mag {Number} Absolute magnitude of star\n * @param minSize {Number} Pixel size of the smallest star\n * @return {Number} Pixel size of star.\n */\nfunction getSizeForStar(mag: number, minSize: number): number {\n if (mag < 2.0) return minSize * 4;\n if (mag < 4.0) return minSize * 2;\n if (mag < 6.0) return minSize;\n return 1;\n}\n\n/**\n * Builds a starry background that is accurate for the Earth's position in\n * space.\n */\nexport class Stars implements SimulationObject {\n private _id: string;\n\n private _options: StarOptions;\n\n private _simulation: Simulation;\n\n private _context: SimulationContext;\n\n private _stars?: THREE.Points;\n\n /**\n * @param {Number} options.minSize The size of the smallest star.\n * Defaults to 0.75\n */\n constructor(options: StarOptions, simulation: Simulation) {\n this._options = options;\n this._id = `__stars_${new Date().getTime()}`;\n\n this._simulation = simulation;\n this._context = simulation.getContext();\n\n this._stars = undefined;\n\n this.init();\n }\n\n init() {\n const dataUrl = getFullUrl(\n '{{data}}/processed/bsc.json',\n this._context.options.basePath,\n );\n\n fetch(dataUrl)\n .then((resp) => resp.json())\n .then((library) => {\n const n = library.length;\n\n const geometry = new THREE.BufferGeometry();\n\n const positions = new Float32Array(n * 3);\n const colors = new Float32Array(n * 3);\n const sizes = new Float32Array(n);\n\n geometry.setAttribute(\n 'position',\n new THREE.BufferAttribute(positions, 3),\n );\n geometry.setAttribute('color', new THREE.BufferAttribute(colors, 3));\n geometry.setAttribute('size', new THREE.BufferAttribute(sizes, 1));\n\n library.forEach((star: StarRecord, idx: number) => {\n const [ra, dec, temp, mag] = star;\n\n const raRad = Units.rad(Units.hoursToDeg(ra));\n const decRad = Units.rad(dec);\n\n const cartesianSpherical = Coordinates.sphericalToCartesian(\n raRad,\n decRad,\n 1e9,\n );\n const pos = Coordinates.equatorialToEcliptic_Cartesian(\n cartesianSpherical[0],\n cartesianSpherical[1],\n cartesianSpherical[2],\n Coordinates.getObliquity(), // defaults to J2000 value\n );\n\n positions.set(pos, idx * 3);\n\n const color = new THREE.Color(getColorForStar(temp));\n colors.set(color.toArray(), idx * 3);\n\n sizes[idx] = getSizeForStar(\n mag,\n this._options.minSize || 3.0 /* minSize */,\n );\n });\n\n const material = new THREE.ShaderMaterial({\n uniforms: {},\n vertexColors: true,\n vertexShader: STAR_SHADER_VERTEX,\n fragmentShader: STAR_SHADER_FRAGMENT,\n\n transparent: true,\n });\n\n this._stars = new THREE.Points(geometry, material);\n\n if (this._simulation) {\n this._simulation.addObject(this, true /* noUpdate */);\n }\n });\n }\n\n /**\n * A list of THREE.js objects that are used to compose this object\n * @return {THREE.Object3D[]} Star objects\n */\n get3jsObjects(): THREE.Object3D[] {\n if (this._stars) {\n return [this._stars];\n }\n return [];\n }\n\n /**\n * Get the unique ID of this object.\n * @return {String} id\n */\n getId(): string {\n return this._id;\n }\n\n update() {\n // Stars don't update\n }\n}\n", "export * from './Camera';\nexport * from './Coordinates';\nexport * from './Ephem';\nexport * from './EphemerisTable';\nexport * from './EphemPresets';\nexport * from './Orbit';\nexport * from './Simulation';\nexport * from './Skybox';\nexport * from './SpaceObject';\nexport * from './RotatingObject';\nexport * from './ShapeObject';\nexport * from './SphereObject';\nexport * from './StaticParticles';\nexport * from './KeplerParticles';\nexport * from './Stars';\nexport * from './Units';\n\nimport * as _THREE from 'three';\nexport const THREE = _THREE;\n"], - "mappings": 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+ "sources": ["../node_modules/julian/index.js", "../node_modules/three/build/three.module.js", "../node_modules/three/build/three.core.js", "../node_modules/three/examples/jsm/controls/OrbitControls.js", "../src/Scale.ts", "../src/Camera.ts", "../src/Units.ts", "../src/Coordinates.ts", "../src/Ephem.ts", "../src/Math.ts", "../src/util.ts", "../src/EphemerisTable.ts", "../src/EphemPresets.ts", "../src/Orbit.ts", "../src/Simulation.ts", "../node_modules/three/examples/jsm/libs/stats.module.js", "../node_modules/postprocessing/build/index.js", "../src/shaders.ts", "../src/KeplerParticles.ts", "../node_modules/three/examples/jsm/loaders/OBJLoader.js", "../src/SpaceObject.ts", "../src/RotatingObject.ts", "../src/ShapeObject.ts", "../src/Skybox.ts", "../src/SphereObject.ts", "../src/StaticParticles.ts", "../src/Stars.ts", "../src/index.ts"], + "sourcesContent": ["module.exports = convert;\nmodule.exports.toDate = convertToDate;\n\nmodule.exports.toJulianDay = toJulianDay;\nmodule.exports.toMillisecondsInJulianDay = toMillisecondsInJulianDay;\nmodule.exports.fromJulianDayAndMilliseconds = fromJulianDayAndMilliseconds;\n\nvar DAY = 86400000;\nvar HALF_DAY = DAY / 2;\nvar UNIX_EPOCH_JULIAN_DATE = 2440587.5;\nvar UNIX_EPOCH_JULIAN_DAY = 2440587;\n\nfunction convert(date) {\n return (toJulianDay(date) + (toMillisecondsInJulianDay(date) / DAY)).toFixed(6);\n};\n\nfunction convertToDate(julian) {\n return new Date((Number(julian) - UNIX_EPOCH_JULIAN_DATE) * DAY);\n};\n\nfunction toJulianDay(date) {\n return ~~((+date + HALF_DAY) / DAY) + UNIX_EPOCH_JULIAN_DAY;\n};\n\nfunction toMillisecondsInJulianDay(date) {\n return (+date + HALF_DAY) % DAY;\n};\n\nfunction fromJulianDayAndMilliseconds(day, ms) {\n return (day - UNIX_EPOCH_JULIAN_DATE) * DAY + ms;\n};\n", "/**\n * @license\n * Copyright 2010-2025 Three.js Authors\n * SPDX-License-Identifier: MIT\n */\nimport { Color, Matrix3, Vector2, mergeUniforms, Vector3, CubeUVReflectionMapping, Mesh, BoxGeometry, ShaderMaterial, cloneUniforms, BackSide, ColorManagement, SRGBTransfer, PlaneGeometry, FrontSide, getUnlitUniformColorSpace, Euler, Matrix4, IntType, RGBAFormat, HalfFloatType, UnsignedByteType, FloatType, Plane, EquirectangularReflectionMapping, EquirectangularRefractionMapping, WebGLCubeRenderTarget, CubeReflectionMapping, CubeRefractionMapping, PerspectiveCamera, NoToneMapping, MeshBasicMaterial, BufferGeometry, BufferAttribute, WebGLRenderTarget, NoBlending, OrthographicCamera, LinearFilter, LinearSRGBColorSpace, warnOnce, arrayNeedsUint32, Uint32BufferAttribute, Uint16BufferAttribute, Vector4, DataArrayTexture, LessEqualCompare, Texture, DepthTexture, Data3DTexture, CubeTexture, GLSL3, CustomToneMapping, NeutralToneMapping, AgXToneMapping, ACESFilmicToneMapping, CineonToneMapping, ReinhardToneMapping, LinearToneMapping, PCFShadowMap, PCFSoftShadowMap, VSMShadowMap, LinearTransfer, AddOperation, MixOperation, MultiplyOperation, ObjectSpaceNormalMap, TangentSpaceNormalMap, NormalBlending, DoubleSide, UniformsUtils, Layers, Frustum, MeshDepthMaterial, RGBADepthPacking, MeshDistanceMaterial, NearestFilter, LessEqualDepth, AddEquation, SubtractEquation, ReverseSubtractEquation, ZeroFactor, OneFactor, SrcColorFactor, SrcAlphaFactor, SrcAlphaSaturateFactor, DstColorFactor, DstAlphaFactor, OneMinusSrcColorFactor, OneMinusSrcAlphaFactor, OneMinusDstColorFactor, OneMinusDstAlphaFactor, ConstantColorFactor, OneMinusConstantColorFactor, ConstantAlphaFactor, OneMinusConstantAlphaFactor, CustomBlending, MultiplyBlending, SubtractiveBlending, AdditiveBlending, CullFaceNone, CullFaceBack, CullFaceFront, NotEqualDepth, GreaterDepth, GreaterEqualDepth, EqualDepth, LessDepth, AlwaysDepth, NeverDepth, MinEquation, MaxEquation, RepeatWrapping, ClampToEdgeWrapping, MirroredRepeatWrapping, NearestMipmapNearestFilter, NearestMipmapLinearFilter, LinearMipmapNearestFilter, LinearMipmapLinearFilter, NeverCompare, AlwaysCompare, LessCompare, EqualCompare, GreaterEqualCompare, GreaterCompare, NotEqualCompare, NoColorSpace, DepthStencilFormat, getByteLength, UnsignedIntType, UnsignedInt248Type, UnsignedShortType, DepthFormat, createElementNS, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedInt5999Type, ByteType, ShortType, AlphaFormat, RGBFormat, LuminanceFormat, LuminanceAlphaFormat, RedFormat, RedIntegerFormat, RGFormat, RGIntegerFormat, RGBAIntegerFormat, RGB_S3TC_DXT1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGB_PVRTC_4BPPV1_Format, RGB_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_PVRTC_2BPPV1_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGBA_ETC2_EAC_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_10x10_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_BPTC_Format, RGB_BPTC_SIGNED_Format, RGB_BPTC_UNSIGNED_Format, RED_RGTC1_Format, SIGNED_RED_RGTC1_Format, RED_GREEN_RGTC2_Format, SIGNED_RED_GREEN_RGTC2_Format, EventDispatcher, ArrayCamera, WebXRController, RAD2DEG, createCanvasElement, SRGBColorSpace, REVISION, toNormalizedProjectionMatrix, toReversedProjectionMatrix, probeAsync, WebGLCoordinateSystem } from './three.core.js';\nexport { AdditiveAnimationBlendMode, AlwaysStencilFunc, AmbientLight, AnimationAction, AnimationClip, AnimationLoader, AnimationMixer, AnimationObjectGroup, AnimationUtils, ArcCurve, ArrowHelper, AttachedBindMode, Audio, AudioAnalyser, AudioContext, AudioListener, AudioLoader, AxesHelper, BasicDepthPacking, BasicShadowMap, BatchedMesh, Bone, BooleanKeyframeTrack, Box2, Box3, Box3Helper, BoxHelper, BufferGeometryLoader, Cache, Camera, CameraHelper, CanvasTexture, CapsuleGeometry, CatmullRomCurve3, CircleGeometry, Clock, ColorKeyframeTrack, CompressedArrayTexture, CompressedCubeTexture, CompressedTexture, CompressedTextureLoader, ConeGeometry, Controls, CubeCamera, CubeTextureLoader, CubicBezierCurve, CubicBezierCurve3, CubicInterpolant, CullFaceFrontBack, Curve, CurvePath, CylinderGeometry, Cylindrical, DataTexture, DataTextureLoader, DataUtils, DecrementStencilOp, DecrementWrapStencilOp, DefaultLoadingManager, DetachedBindMode, DirectionalLight, DirectionalLightHelper, DiscreteInterpolant, DodecahedronGeometry, DynamicCopyUsage, DynamicDrawUsage, DynamicReadUsage, EdgesGeometry, EllipseCurve, EqualStencilFunc, ExtrudeGeometry, FileLoader, Float16BufferAttribute, Float32BufferAttribute, Fog, FogExp2, FramebufferTexture, GLBufferAttribute, GLSL1, GreaterEqualStencilFunc, GreaterStencilFunc, GridHelper, Group, HemisphereLight, HemisphereLightHelper, IcosahedronGeometry, ImageBitmapLoader, ImageLoader, ImageUtils, IncrementStencilOp, IncrementWrapStencilOp, InstancedBufferAttribute, InstancedBufferGeometry, InstancedInterleavedBuffer, InstancedMesh, Int16BufferAttribute, Int32BufferAttribute, Int8BufferAttribute, InterleavedBuffer, InterleavedBufferAttribute, Interpolant, InterpolateDiscrete, InterpolateLinear, InterpolateSmooth, InvertStencilOp, KeepStencilOp, KeyframeTrack, LOD, LatheGeometry, LessEqualStencilFunc, LessStencilFunc, Light, LightProbe, Line, Line3, LineBasicMaterial, LineCurve, LineCurve3, LineDashedMaterial, LineLoop, LineSegments, LinearInterpolant, LinearMipMapLinearFilter, LinearMipMapNearestFilter, Loader, LoaderUtils, LoadingManager, LoopOnce, LoopPingPong, LoopRepeat, MOUSE, Material, MaterialLoader, MathUtils, Matrix2, MeshLambertMaterial, MeshMatcapMaterial, MeshNormalMaterial, MeshPhongMaterial, MeshPhysicalMaterial, MeshStandardMaterial, MeshToonMaterial, NearestMipMapLinearFilter, NearestMipMapNearestFilter, NeverStencilFunc, NormalAnimationBlendMode, NotEqualStencilFunc, NumberKeyframeTrack, Object3D, ObjectLoader, OctahedronGeometry, Path, PlaneHelper, PointLight, PointLightHelper, Points, PointsMaterial, PolarGridHelper, PolyhedronGeometry, PositionalAudio, PropertyBinding, PropertyMixer, QuadraticBezierCurve, QuadraticBezierCurve3, Quaternion, QuaternionKeyframeTrack, QuaternionLinearInterpolant, RGBDepthPacking, RGBIntegerFormat, RGDepthPacking, RawShaderMaterial, Ray, Raycaster, RectAreaLight, RenderTarget, RenderTarget3D, RenderTargetArray, ReplaceStencilOp, RingGeometry, Scene, ShadowMaterial, Shape, ShapeGeometry, ShapePath, ShapeUtils, Skeleton, SkeletonHelper, SkinnedMesh, Source, Sphere, SphereGeometry, Spherical, SphericalHarmonics3, SplineCurve, SpotLight, SpotLightHelper, Sprite, SpriteMaterial, StaticCopyUsage, StaticDrawUsage, StaticReadUsage, StereoCamera, StreamCopyUsage, StreamDrawUsage, StreamReadUsage, StringKeyframeTrack, TOUCH, TetrahedronGeometry, TextureLoader, TextureUtils, TimestampQuery, TorusGeometry, TorusKnotGeometry, Triangle, TriangleFanDrawMode, TriangleStripDrawMode, TrianglesDrawMode, TubeGeometry, UVMapping, Uint8BufferAttribute, Uint8ClampedBufferAttribute, Uniform, UniformsGroup, VectorKeyframeTrack, VideoFrameTexture, VideoTexture, WebGL3DRenderTarget, WebGLArrayRenderTarget, WebGPUCoordinateSystem, WireframeGeometry, WrapAroundEnding, ZeroCurvatureEnding, ZeroSlopeEnding, ZeroStencilOp } from './three.core.js';\n\nfunction WebGLAnimation() {\n\n\tlet context = null;\n\tlet isAnimating = false;\n\tlet animationLoop = null;\n\tlet requestId = null;\n\n\tfunction onAnimationFrame( time, frame ) {\n\n\t\tanimationLoop( time, frame );\n\n\t\trequestId = context.requestAnimationFrame( onAnimationFrame );\n\n\t}\n\n\treturn {\n\n\t\tstart: function () {\n\n\t\t\tif ( isAnimating === true ) return;\n\t\t\tif ( animationLoop === null ) return;\n\n\t\t\trequestId = context.requestAnimationFrame( onAnimationFrame );\n\n\t\t\tisAnimating = true;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tcontext.cancelAnimationFrame( requestId );\n\n\t\t\tisAnimating = false;\n\n\t\t},\n\n\t\tsetAnimationLoop: function ( callback ) {\n\n\t\t\tanimationLoop = callback;\n\n\t\t},\n\n\t\tsetContext: function ( value ) {\n\n\t\t\tcontext = value;\n\n\t\t}\n\n\t};\n\n}\n\nfunction WebGLAttributes( gl ) {\n\n\tconst buffers = new WeakMap();\n\n\tfunction createBuffer( attribute, bufferType ) {\n\n\t\tconst array = attribute.array;\n\t\tconst usage = attribute.usage;\n\t\tconst size = array.byteLength;\n\n\t\tconst buffer = gl.createBuffer();\n\n\t\tgl.bindBuffer( bufferType, buffer );\n\t\tgl.bufferData( bufferType, array, usage );\n\n\t\tattribute.onUploadCallback();\n\n\t\tlet type;\n\n\t\tif ( array instanceof Float32Array ) {\n\n\t\t\ttype = gl.FLOAT;\n\n\t\t} else if ( array instanceof Uint16Array ) {\n\n\t\t\tif ( attribute.isFloat16BufferAttribute ) {\n\n\t\t\t\ttype = gl.HALF_FLOAT;\n\n\t\t\t} else {\n\n\t\t\t\ttype = gl.UNSIGNED_SHORT;\n\n\t\t\t}\n\n\t\t} else if ( array instanceof Int16Array ) {\n\n\t\t\ttype = gl.SHORT;\n\n\t\t} else if ( array instanceof Uint32Array ) {\n\n\t\t\ttype = gl.UNSIGNED_INT;\n\n\t\t} else if ( array instanceof Int32Array ) {\n\n\t\t\ttype = gl.INT;\n\n\t\t} else if ( array instanceof Int8Array ) {\n\n\t\t\ttype = gl.BYTE;\n\n\t\t} else if ( array instanceof Uint8Array ) {\n\n\t\t\ttype = gl.UNSIGNED_BYTE;\n\n\t\t} else if ( array instanceof Uint8ClampedArray ) {\n\n\t\t\ttype = gl.UNSIGNED_BYTE;\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'THREE.WebGLAttributes: Unsupported buffer data format: ' + array );\n\n\t\t}\n\n\t\treturn {\n\t\t\tbuffer: buffer,\n\t\t\ttype: type,\n\t\t\tbytesPerElement: array.BYTES_PER_ELEMENT,\n\t\t\tversion: attribute.version,\n\t\t\tsize: size\n\t\t};\n\n\t}\n\n\tfunction updateBuffer( buffer, attribute, bufferType ) {\n\n\t\tconst array = attribute.array;\n\t\tconst updateRanges = attribute.updateRanges;\n\n\t\tgl.bindBuffer( bufferType, buffer );\n\n\t\tif ( updateRanges.length === 0 ) {\n\n\t\t\t// Not using update ranges\n\t\t\tgl.bufferSubData( bufferType, 0, array );\n\n\t\t} else {\n\n\t\t\t// Before applying update ranges, we merge any adjacent / overlapping\n\t\t\t// ranges to reduce load on `gl.bufferSubData`. Empirically, this has led\n\t\t\t// to performance improvements for applications which make heavy use of\n\t\t\t// update ranges. Likely due to GPU command overhead.\n\t\t\t//\n\t\t\t// Note that to reduce garbage collection between frames, we merge the\n\t\t\t// update ranges in-place. This is safe because this method will clear the\n\t\t\t// update ranges once updated.\n\n\t\t\tupdateRanges.sort( ( a, b ) => a.start - b.start );\n\n\t\t\t// To merge the update ranges in-place, we work from left to right in the\n\t\t\t// existing updateRanges array, merging ranges. This may result in a final\n\t\t\t// array which is smaller than the original. This index tracks the last\n\t\t\t// index representing a merged range, any data after this index can be\n\t\t\t// trimmed once the merge algorithm is completed.\n\t\t\tlet mergeIndex = 0;\n\n\t\t\tfor ( let i = 1; i < updateRanges.length; i ++ ) {\n\n\t\t\t\tconst previousRange = updateRanges[ mergeIndex ];\n\t\t\t\tconst range = updateRanges[ i ];\n\n\t\t\t\t// We add one here to merge adjacent ranges. This is safe because ranges\n\t\t\t\t// operate over positive integers.\n\t\t\t\tif ( range.start <= previousRange.start + previousRange.count + 1 ) {\n\n\t\t\t\t\tpreviousRange.count = Math.max(\n\t\t\t\t\t\tpreviousRange.count,\n\t\t\t\t\t\trange.start + range.count - previousRange.start\n\t\t\t\t\t);\n\n\t\t\t\t} else {\n\n\t\t\t\t\t++ mergeIndex;\n\t\t\t\t\tupdateRanges[ mergeIndex ] = range;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Trim the array to only contain the merged ranges.\n\t\t\tupdateRanges.length = mergeIndex + 1;\n\n\t\t\tfor ( let i = 0, l = updateRanges.length; i < l; i ++ ) {\n\n\t\t\t\tconst range = updateRanges[ i ];\n\n\t\t\t\tgl.bufferSubData( bufferType, range.start * array.BYTES_PER_ELEMENT,\n\t\t\t\t\tarray, range.start, range.count );\n\n\t\t\t}\n\n\t\t\tattribute.clearUpdateRanges();\n\n\t\t}\n\n\t\tattribute.onUploadCallback();\n\n\t}\n\n\t//\n\n\tfunction get( attribute ) {\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\treturn buffers.get( attribute );\n\n\t}\n\n\tfunction remove( attribute ) {\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\tconst data = buffers.get( attribute );\n\n\t\tif ( data ) {\n\n\t\t\tgl.deleteBuffer( data.buffer );\n\n\t\t\tbuffers.delete( attribute );\n\n\t\t}\n\n\t}\n\n\tfunction update( attribute, bufferType ) {\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\tif ( attribute.isGLBufferAttribute ) {\n\n\t\t\tconst cached = buffers.get( attribute );\n\n\t\t\tif ( ! cached || cached.version < attribute.version ) {\n\n\t\t\t\tbuffers.set( attribute, {\n\t\t\t\t\tbuffer: attribute.buffer,\n\t\t\t\t\ttype: attribute.type,\n\t\t\t\t\tbytesPerElement: attribute.elementSize,\n\t\t\t\t\tversion: attribute.version\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst data = buffers.get( attribute );\n\n\t\tif ( data === undefined ) {\n\n\t\t\tbuffers.set( attribute, createBuffer( attribute, bufferType ) );\n\n\t\t} else if ( data.version < attribute.version ) {\n\n\t\t\tif ( data.size !== attribute.array.byteLength ) {\n\n\t\t\t\tthrow new Error( 'THREE.WebGLAttributes: The size of the buffer attribute\\'s array buffer does not match the original size. Resizing buffer attributes is not supported.' );\n\n\t\t\t}\n\n\t\t\tupdateBuffer( data.buffer, attribute, bufferType );\n\n\t\t\tdata.version = attribute.version;\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\tget: get,\n\t\tremove: remove,\n\t\tupdate: update\n\n\t};\n\n}\n\nvar alphahash_fragment = \"#ifdef USE_ALPHAHASH\\n\\tif ( diffuseColor.a < getAlphaHashThreshold( vPosition ) ) discard;\\n#endif\";\n\nvar alphahash_pars_fragment = \"#ifdef USE_ALPHAHASH\\n\\tconst float ALPHA_HASH_SCALE = 0.05;\\n\\tfloat hash2D( vec2 value ) {\\n\\t\\treturn fract( 1.0e4 * sin( 17.0 * value.x + 0.1 * value.y ) * ( 0.1 + abs( sin( 13.0 * value.y + value.x ) ) ) );\\n\\t}\\n\\tfloat hash3D( vec3 value ) {\\n\\t\\treturn hash2D( vec2( hash2D( value.xy ), value.z ) );\\n\\t}\\n\\tfloat getAlphaHashThreshold( vec3 position ) {\\n\\t\\tfloat maxDeriv = max(\\n\\t\\t\\tlength( dFdx( position.xyz ) ),\\n\\t\\t\\tlength( dFdy( position.xyz ) )\\n\\t\\t);\\n\\t\\tfloat pixScale = 1.0 / ( ALPHA_HASH_SCALE * maxDeriv );\\n\\t\\tvec2 pixScales = vec2(\\n\\t\\t\\texp2( floor( log2( pixScale ) ) ),\\n\\t\\t\\texp2( ceil( log2( pixScale ) ) )\\n\\t\\t);\\n\\t\\tvec2 alpha = vec2(\\n\\t\\t\\thash3D( floor( pixScales.x * position.xyz ) ),\\n\\t\\t\\thash3D( floor( pixScales.y * position.xyz ) )\\n\\t\\t);\\n\\t\\tfloat lerpFactor = fract( log2( pixScale ) );\\n\\t\\tfloat x = ( 1.0 - lerpFactor ) * alpha.x + lerpFactor * alpha.y;\\n\\t\\tfloat a = min( lerpFactor, 1.0 - lerpFactor );\\n\\t\\tvec3 cases = vec3(\\n\\t\\t\\tx * x / ( 2.0 * a * ( 1.0 - a ) ),\\n\\t\\t\\t( x - 0.5 * a ) / ( 1.0 - a ),\\n\\t\\t\\t1.0 - ( ( 1.0 - x ) * ( 1.0 - x ) / ( 2.0 * a * ( 1.0 - a ) ) )\\n\\t\\t);\\n\\t\\tfloat threshold = ( x < ( 1.0 - a ) )\\n\\t\\t\\t? ( ( x < a ) ? cases.x : cases.y )\\n\\t\\t\\t: cases.z;\\n\\t\\treturn clamp( threshold , 1.0e-6, 1.0 );\\n\\t}\\n#endif\";\n\nvar alphamap_fragment = \"#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, vAlphaMapUv ).g;\\n#endif\";\n\nvar alphamap_pars_fragment = \"#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\";\n\nvar alphatest_fragment = \"#ifdef USE_ALPHATEST\\n\\t#ifdef ALPHA_TO_COVERAGE\\n\\tdiffuseColor.a = smoothstep( alphaTest, alphaTest + fwidth( diffuseColor.a ), diffuseColor.a );\\n\\tif ( diffuseColor.a == 0.0 ) discard;\\n\\t#else\\n\\tif ( diffuseColor.a < alphaTest ) discard;\\n\\t#endif\\n#endif\";\n\nvar alphatest_pars_fragment = \"#ifdef USE_ALPHATEST\\n\\tuniform float alphaTest;\\n#endif\";\n\nvar aomap_fragment = \"#ifdef USE_AOMAP\\n\\tfloat ambientOcclusion = ( texture2D( aoMap, vAoMapUv ).r - 1.0 ) * aoMapIntensity + 1.0;\\n\\treflectedLight.indirectDiffuse *= ambientOcclusion;\\n\\t#if defined( USE_CLEARCOAT ) \\n\\t\\tclearcoatSpecularIndirect *= ambientOcclusion;\\n\\t#endif\\n\\t#if defined( USE_SHEEN ) \\n\\t\\tsheenSpecularIndirect *= ambientOcclusion;\\n\\t#endif\\n\\t#if defined( USE_ENVMAP ) && defined( STANDARD )\\n\\t\\tfloat dotNV = saturate( dot( geometryNormal, geometryViewDir ) );\\n\\t\\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\\n\\t#endif\\n#endif\";\n\nvar aomap_pars_fragment = \"#ifdef USE_AOMAP\\n\\tuniform sampler2D aoMap;\\n\\tuniform float aoMapIntensity;\\n#endif\";\n\nvar batching_pars_vertex = \"#ifdef USE_BATCHING\\n\\t#if ! defined( GL_ANGLE_multi_draw )\\n\\t#define gl_DrawID _gl_DrawID\\n\\tuniform int _gl_DrawID;\\n\\t#endif\\n\\tuniform highp sampler2D batchingTexture;\\n\\tuniform highp usampler2D batchingIdTexture;\\n\\tmat4 getBatchingMatrix( const in float i ) {\\n\\t\\tint size = textureSize( batchingTexture, 0 ).x;\\n\\t\\tint j = int( i ) * 4;\\n\\t\\tint x = j % size;\\n\\t\\tint y = j / size;\\n\\t\\tvec4 v1 = texelFetch( batchingTexture, ivec2( x, y ), 0 );\\n\\t\\tvec4 v2 = texelFetch( batchingTexture, ivec2( x + 1, y ), 0 );\\n\\t\\tvec4 v3 = texelFetch( batchingTexture, ivec2( x + 2, y ), 0 );\\n\\t\\tvec4 v4 = texelFetch( batchingTexture, ivec2( x + 3, y ), 0 );\\n\\t\\treturn mat4( v1, v2, v3, v4 );\\n\\t}\\n\\tfloat getIndirectIndex( const in int i ) {\\n\\t\\tint size = textureSize( batchingIdTexture, 0 ).x;\\n\\t\\tint x = i % size;\\n\\t\\tint y = i / size;\\n\\t\\treturn float( texelFetch( batchingIdTexture, ivec2( x, y ), 0 ).r );\\n\\t}\\n#endif\\n#ifdef USE_BATCHING_COLOR\\n\\tuniform sampler2D batchingColorTexture;\\n\\tvec3 getBatchingColor( const in float i ) {\\n\\t\\tint size = textureSize( batchingColorTexture, 0 ).x;\\n\\t\\tint j = int( i );\\n\\t\\tint x = j % size;\\n\\t\\tint y = j / size;\\n\\t\\treturn texelFetch( batchingColorTexture, ivec2( x, y ), 0 ).rgb;\\n\\t}\\n#endif\";\n\nvar batching_vertex = \"#ifdef USE_BATCHING\\n\\tmat4 batchingMatrix = getBatchingMatrix( getIndirectIndex( gl_DrawID ) );\\n#endif\";\n\nvar begin_vertex = \"vec3 transformed = vec3( position );\\n#ifdef USE_ALPHAHASH\\n\\tvPosition = vec3( position );\\n#endif\";\n\nvar beginnormal_vertex = \"vec3 objectNormal = vec3( normal );\\n#ifdef USE_TANGENT\\n\\tvec3 objectTangent = vec3( tangent.xyz );\\n#endif\";\n\nvar bsdfs = \"float G_BlinnPhong_Implicit( ) {\\n\\treturn 0.25;\\n}\\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\\n\\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\\n}\\nvec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\\n\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, 1.0, dotVH );\\n\\tfloat G = G_BlinnPhong_Implicit( );\\n\\tfloat D = D_BlinnPhong( shininess, dotNH );\\n\\treturn F * ( G * D );\\n} // validated\";\n\nvar iridescence_fragment = \"#ifdef USE_IRIDESCENCE\\n\\tconst mat3 XYZ_TO_REC709 = mat3(\\n\\t\\t 3.2404542, -0.9692660, 0.0556434,\\n\\t\\t-1.5371385, 1.8760108, -0.2040259,\\n\\t\\t-0.4985314, 0.0415560, 1.0572252\\n\\t);\\n\\tvec3 Fresnel0ToIor( vec3 fresnel0 ) {\\n\\t\\tvec3 sqrtF0 = sqrt( fresnel0 );\\n\\t\\treturn ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );\\n\\t}\\n\\tvec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {\\n\\t\\treturn pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );\\n\\t}\\n\\tfloat IorToFresnel0( float transmittedIor, float incidentIor ) {\\n\\t\\treturn pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));\\n\\t}\\n\\tvec3 evalSensitivity( float OPD, vec3 shift ) {\\n\\t\\tfloat phase = 2.0 * PI * OPD * 1.0e-9;\\n\\t\\tvec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );\\n\\t\\tvec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );\\n\\t\\tvec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );\\n\\t\\tvec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );\\n\\t\\txyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) );\\n\\t\\txyz /= 1.0685e-7;\\n\\t\\tvec3 rgb = XYZ_TO_REC709 * xyz;\\n\\t\\treturn rgb;\\n\\t}\\n\\tvec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {\\n\\t\\tvec3 I;\\n\\t\\tfloat iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );\\n\\t\\tfloat sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );\\n\\t\\tfloat cosTheta2Sq = 1.0 - sinTheta2Sq;\\n\\t\\tif ( cosTheta2Sq < 0.0 ) {\\n\\t\\t\\treturn vec3( 1.0 );\\n\\t\\t}\\n\\t\\tfloat cosTheta2 = sqrt( cosTheta2Sq );\\n\\t\\tfloat R0 = IorToFresnel0( iridescenceIOR, outsideIOR );\\n\\t\\tfloat R12 = F_Schlick( R0, 1.0, cosTheta1 );\\n\\t\\tfloat T121 = 1.0 - R12;\\n\\t\\tfloat phi12 = 0.0;\\n\\t\\tif ( iridescenceIOR < outsideIOR ) phi12 = PI;\\n\\t\\tfloat phi21 = PI - phi12;\\n\\t\\tvec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) );\\t\\tvec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );\\n\\t\\tvec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );\\n\\t\\tvec3 phi23 = vec3( 0.0 );\\n\\t\\tif ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI;\\n\\t\\tif ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI;\\n\\t\\tif ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI;\\n\\t\\tfloat OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;\\n\\t\\tvec3 phi = vec3( phi21 ) + phi23;\\n\\t\\tvec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );\\n\\t\\tvec3 r123 = sqrt( R123 );\\n\\t\\tvec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );\\n\\t\\tvec3 C0 = R12 + Rs;\\n\\t\\tI = C0;\\n\\t\\tvec3 Cm = Rs - T121;\\n\\t\\tfor ( int m = 1; m <= 2; ++ m ) {\\n\\t\\t\\tCm *= r123;\\n\\t\\t\\tvec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );\\n\\t\\t\\tI += Cm * Sm;\\n\\t\\t}\\n\\t\\treturn max( I, vec3( 0.0 ) );\\n\\t}\\n#endif\";\n\nvar bumpmap_pars_fragment = \"#ifdef USE_BUMPMAP\\n\\tuniform sampler2D bumpMap;\\n\\tuniform float bumpScale;\\n\\tvec2 dHdxy_fwd() {\\n\\t\\tvec2 dSTdx = dFdx( vBumpMapUv );\\n\\t\\tvec2 dSTdy = dFdy( vBumpMapUv );\\n\\t\\tfloat Hll = bumpScale * texture2D( bumpMap, vBumpMapUv ).x;\\n\\t\\tfloat dBx = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdx ).x - Hll;\\n\\t\\tfloat dBy = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdy ).x - Hll;\\n\\t\\treturn vec2( dBx, dBy );\\n\\t}\\n\\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\\n\\t\\tvec3 vSigmaX = normalize( dFdx( surf_pos.xyz ) );\\n\\t\\tvec3 vSigmaY = normalize( dFdy( surf_pos.xyz ) );\\n\\t\\tvec3 vN = surf_norm;\\n\\t\\tvec3 R1 = cross( vSigmaY, vN );\\n\\t\\tvec3 R2 = cross( vN, vSigmaX );\\n\\t\\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\\n\\t\\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\\n\\t\\treturn normalize( abs( fDet ) * surf_norm - vGrad );\\n\\t}\\n#endif\";\n\nvar clipping_planes_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvec4 plane;\\n\\t#ifdef ALPHA_TO_COVERAGE\\n\\t\\tfloat distanceToPlane, distanceGradient;\\n\\t\\tfloat clipOpacity = 1.0;\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\\n\\t\\t\\tplane = clippingPlanes[ i ];\\n\\t\\t\\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\\n\\t\\t\\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\\n\\t\\t\\tclipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\\n\\t\\t\\tif ( clipOpacity == 0.0 ) discard;\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t\\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\\n\\t\\t\\tfloat unionClipOpacity = 1.0;\\n\\t\\t\\t#pragma unroll_loop_start\\n\\t\\t\\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\\n\\t\\t\\t\\tplane = clippingPlanes[ i ];\\n\\t\\t\\t\\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\\n\\t\\t\\t\\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\\n\\t\\t\\t\\tunionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\\n\\t\\t\\t}\\n\\t\\t\\t#pragma unroll_loop_end\\n\\t\\t\\tclipOpacity *= 1.0 - unionClipOpacity;\\n\\t\\t#endif\\n\\t\\tdiffuseColor.a *= clipOpacity;\\n\\t\\tif ( diffuseColor.a == 0.0 ) discard;\\n\\t#else\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\\n\\t\\t\\tplane = clippingPlanes[ i ];\\n\\t\\t\\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t\\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\\n\\t\\t\\tbool clipped = true;\\n\\t\\t\\t#pragma unroll_loop_start\\n\\t\\t\\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\\n\\t\\t\\t\\tplane = clippingPlanes[ i ];\\n\\t\\t\\t\\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\\n\\t\\t\\t}\\n\\t\\t\\t#pragma unroll_loop_end\\n\\t\\t\\tif ( clipped ) discard;\\n\\t\\t#endif\\n\\t#endif\\n#endif\";\n\nvar clipping_planes_pars_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvarying vec3 vClipPosition;\\n\\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\\n#endif\";\n\nvar clipping_planes_pars_vertex = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvarying vec3 vClipPosition;\\n#endif\";\n\nvar clipping_planes_vertex = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvClipPosition = - mvPosition.xyz;\\n#endif\";\n\nvar color_fragment = \"#if defined( USE_COLOR_ALPHA )\\n\\tdiffuseColor *= vColor;\\n#elif defined( USE_COLOR )\\n\\tdiffuseColor.rgb *= vColor;\\n#endif\";\n\nvar color_pars_fragment = \"#if defined( USE_COLOR_ALPHA )\\n\\tvarying vec4 vColor;\\n#elif defined( USE_COLOR )\\n\\tvarying vec3 vColor;\\n#endif\";\n\nvar color_pars_vertex = \"#if defined( USE_COLOR_ALPHA )\\n\\tvarying vec4 vColor;\\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\\n\\tvarying vec3 vColor;\\n#endif\";\n\nvar color_vertex = \"#if defined( USE_COLOR_ALPHA )\\n\\tvColor = vec4( 1.0 );\\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\\n\\tvColor = vec3( 1.0 );\\n#endif\\n#ifdef USE_COLOR\\n\\tvColor *= color;\\n#endif\\n#ifdef USE_INSTANCING_COLOR\\n\\tvColor.xyz *= instanceColor.xyz;\\n#endif\\n#ifdef USE_BATCHING_COLOR\\n\\tvec3 batchingColor = getBatchingColor( getIndirectIndex( gl_DrawID ) );\\n\\tvColor.xyz *= batchingColor.xyz;\\n#endif\";\n\nvar common = \"#define PI 3.141592653589793\\n#define PI2 6.283185307179586\\n#define PI_HALF 1.5707963267948966\\n#define RECIPROCAL_PI 0.3183098861837907\\n#define RECIPROCAL_PI2 0.15915494309189535\\n#define EPSILON 1e-6\\n#ifndef saturate\\n#define saturate( a ) clamp( a, 0.0, 1.0 )\\n#endif\\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\\nfloat pow2( const in float x ) { return x*x; }\\nvec3 pow2( const in vec3 x ) { return x*x; }\\nfloat pow3( const in float x ) { return x*x*x; }\\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\\nfloat average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }\\nhighp float rand( const in vec2 uv ) {\\n\\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\\n\\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\\n\\treturn fract( sin( sn ) * c );\\n}\\n#ifdef HIGH_PRECISION\\n\\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\\n#else\\n\\tfloat precisionSafeLength( vec3 v ) {\\n\\t\\tfloat maxComponent = max3( abs( v ) );\\n\\t\\treturn length( v / maxComponent ) * maxComponent;\\n\\t}\\n#endif\\nstruct IncidentLight {\\n\\tvec3 color;\\n\\tvec3 direction;\\n\\tbool visible;\\n};\\nstruct ReflectedLight {\\n\\tvec3 directDiffuse;\\n\\tvec3 directSpecular;\\n\\tvec3 indirectDiffuse;\\n\\tvec3 indirectSpecular;\\n};\\n#ifdef USE_ALPHAHASH\\n\\tvarying vec3 vPosition;\\n#endif\\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\\n}\\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\\n}\\nmat3 transposeMat3( const in mat3 m ) {\\n\\tmat3 tmp;\\n\\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\\n\\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\\n\\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\\n\\treturn tmp;\\n}\\nbool isPerspectiveMatrix( mat4 m ) {\\n\\treturn m[ 2 ][ 3 ] == - 1.0;\\n}\\nvec2 equirectUv( in vec3 dir ) {\\n\\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\\n\\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\\n\\treturn vec2( u, v );\\n}\\nvec3 BRDF_Lambert( const in vec3 diffuseColor ) {\\n\\treturn RECIPROCAL_PI * diffuseColor;\\n}\\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\\n\\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\\n\\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\\n}\\nfloat F_Schlick( const in float f0, const in float f90, const in float dotVH ) {\\n\\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\\n\\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\\n} // validated\";\n\nvar cube_uv_reflection_fragment = \"#ifdef ENVMAP_TYPE_CUBE_UV\\n\\t#define cubeUV_minMipLevel 4.0\\n\\t#define cubeUV_minTileSize 16.0\\n\\tfloat getFace( vec3 direction ) {\\n\\t\\tvec3 absDirection = abs( direction );\\n\\t\\tfloat face = - 1.0;\\n\\t\\tif ( absDirection.x > absDirection.z ) {\\n\\t\\t\\tif ( absDirection.x > absDirection.y )\\n\\t\\t\\t\\tface = direction.x > 0.0 ? 0.0 : 3.0;\\n\\t\\t\\telse\\n\\t\\t\\t\\tface = direction.y > 0.0 ? 1.0 : 4.0;\\n\\t\\t} else {\\n\\t\\t\\tif ( absDirection.z > absDirection.y )\\n\\t\\t\\t\\tface = direction.z > 0.0 ? 2.0 : 5.0;\\n\\t\\t\\telse\\n\\t\\t\\t\\tface = direction.y > 0.0 ? 1.0 : 4.0;\\n\\t\\t}\\n\\t\\treturn face;\\n\\t}\\n\\tvec2 getUV( vec3 direction, float face ) {\\n\\t\\tvec2 uv;\\n\\t\\tif ( face == 0.0 ) {\\n\\t\\t\\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\\n\\t\\t} else if ( face == 1.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\\n\\t\\t} else if ( face == 2.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\\n\\t\\t} else if ( face == 3.0 ) {\\n\\t\\t\\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\\n\\t\\t} else if ( face == 4.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\\n\\t\\t} else {\\n\\t\\t\\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\\n\\t\\t}\\n\\t\\treturn 0.5 * ( uv + 1.0 );\\n\\t}\\n\\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\\n\\t\\tfloat face = getFace( direction );\\n\\t\\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\\n\\t\\tmipInt = max( mipInt, cubeUV_minMipLevel );\\n\\t\\tfloat faceSize = exp2( mipInt );\\n\\t\\thighp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\\n\\t\\tif ( face > 2.0 ) {\\n\\t\\t\\tuv.y += faceSize;\\n\\t\\t\\tface -= 3.0;\\n\\t\\t}\\n\\t\\tuv.x += face * faceSize;\\n\\t\\tuv.x += filterInt * 3.0 * cubeUV_minTileSize;\\n\\t\\tuv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\\n\\t\\tuv.x *= CUBEUV_TEXEL_WIDTH;\\n\\t\\tuv.y *= CUBEUV_TEXEL_HEIGHT;\\n\\t\\t#ifdef texture2DGradEXT\\n\\t\\t\\treturn texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\\n\\t\\t#else\\n\\t\\t\\treturn texture2D( envMap, uv ).rgb;\\n\\t\\t#endif\\n\\t}\\n\\t#define cubeUV_r0 1.0\\n\\t#define cubeUV_m0 - 2.0\\n\\t#define cubeUV_r1 0.8\\n\\t#define cubeUV_m1 - 1.0\\n\\t#define cubeUV_r4 0.4\\n\\t#define cubeUV_m4 2.0\\n\\t#define cubeUV_r5 0.305\\n\\t#define cubeUV_m5 3.0\\n\\t#define cubeUV_r6 0.21\\n\\t#define cubeUV_m6 4.0\\n\\tfloat roughnessToMip( float roughness ) {\\n\\t\\tfloat mip = 0.0;\\n\\t\\tif ( roughness >= cubeUV_r1 ) {\\n\\t\\t\\tmip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;\\n\\t\\t} else if ( roughness >= cubeUV_r4 ) {\\n\\t\\t\\tmip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;\\n\\t\\t} else if ( roughness >= cubeUV_r5 ) {\\n\\t\\t\\tmip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;\\n\\t\\t} else if ( roughness >= cubeUV_r6 ) {\\n\\t\\t\\tmip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;\\n\\t\\t} else {\\n\\t\\t\\tmip = - 2.0 * log2( 1.16 * roughness );\\t\\t}\\n\\t\\treturn mip;\\n\\t}\\n\\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\\n\\t\\tfloat mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );\\n\\t\\tfloat mipF = fract( mip );\\n\\t\\tfloat mipInt = floor( mip );\\n\\t\\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\\n\\t\\tif ( mipF == 0.0 ) {\\n\\t\\t\\treturn vec4( color0, 1.0 );\\n\\t\\t} else {\\n\\t\\t\\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\\n\\t\\t\\treturn vec4( mix( color0, color1, mipF ), 1.0 );\\n\\t\\t}\\n\\t}\\n#endif\";\n\nvar defaultnormal_vertex = \"vec3 transformedNormal = objectNormal;\\n#ifdef USE_TANGENT\\n\\tvec3 transformedTangent = objectTangent;\\n#endif\\n#ifdef USE_BATCHING\\n\\tmat3 bm = mat3( batchingMatrix );\\n\\ttransformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) );\\n\\ttransformedNormal = bm * transformedNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\ttransformedTangent = bm * transformedTangent;\\n\\t#endif\\n#endif\\n#ifdef USE_INSTANCING\\n\\tmat3 im = mat3( instanceMatrix );\\n\\ttransformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) );\\n\\ttransformedNormal = im * transformedNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\ttransformedTangent = im * transformedTangent;\\n\\t#endif\\n#endif\\ntransformedNormal = normalMatrix * transformedNormal;\\n#ifdef FLIP_SIDED\\n\\ttransformedNormal = - transformedNormal;\\n#endif\\n#ifdef USE_TANGENT\\n\\ttransformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz;\\n\\t#ifdef FLIP_SIDED\\n\\t\\ttransformedTangent = - transformedTangent;\\n\\t#endif\\n#endif\";\n\nvar displacementmap_pars_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\tuniform sampler2D displacementMap;\\n\\tuniform float displacementScale;\\n\\tuniform float displacementBias;\\n#endif\";\n\nvar displacementmap_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias );\\n#endif\";\n\nvar emissivemap_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tvec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv );\\n\\t#ifdef DECODE_VIDEO_TEXTURE_EMISSIVE\\n\\t\\temissiveColor = sRGBTransferEOTF( emissiveColor );\\n\\t#endif\\n\\ttotalEmissiveRadiance *= emissiveColor.rgb;\\n#endif\";\n\nvar emissivemap_pars_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tuniform sampler2D emissiveMap;\\n#endif\";\n\nvar colorspace_fragment = \"gl_FragColor = linearToOutputTexel( gl_FragColor );\";\n\nvar colorspace_pars_fragment = \"vec4 LinearTransferOETF( in vec4 value ) {\\n\\treturn value;\\n}\\nvec4 sRGBTransferEOTF( in vec4 value ) {\\n\\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\\n}\\nvec4 sRGBTransferOETF( in vec4 value ) {\\n\\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\\n}\";\n\nvar envmap_fragment = \"#ifdef USE_ENVMAP\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvec3 cameraToFrag;\\n\\t\\tif ( isOrthographic ) {\\n\\t\\t\\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\\n\\t\\t} else {\\n\\t\\t\\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\\n\\t\\t}\\n\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#else\\n\\t\\tvec3 reflectVec = vReflect;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tvec4 envColor = textureCube( envMap, envMapRotation * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\\n\\t#else\\n\\t\\tvec4 envColor = vec4( 0.0 );\\n\\t#endif\\n\\t#ifdef ENVMAP_BLENDING_MULTIPLY\\n\\t\\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_MIX )\\n\\t\\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_ADD )\\n\\t\\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\\n\\t#endif\\n#endif\";\n\nvar envmap_common_pars_fragment = \"#ifdef USE_ENVMAP\\n\\tuniform float envMapIntensity;\\n\\tuniform float flipEnvMap;\\n\\tuniform mat3 envMapRotation;\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tuniform samplerCube envMap;\\n\\t#else\\n\\t\\tuniform sampler2D envMap;\\n\\t#endif\\n\\t\\n#endif\";\n\nvar envmap_pars_fragment = \"#ifdef USE_ENVMAP\\n\\tuniform float reflectivity;\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\\n\\t\\t#define ENV_WORLDPOS\\n\\t#endif\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t\\tuniform float refractionRatio;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t#endif\\n#endif\";\n\nvar envmap_pars_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\\n\\t\\t#define ENV_WORLDPOS\\n\\t#endif\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\t\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t\\tuniform float refractionRatio;\\n\\t#endif\\n#endif\";\n\nvar envmap_vertex = \"#ifdef USE_ENVMAP\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvWorldPosition = worldPosition.xyz;\\n\\t#else\\n\\t\\tvec3 cameraToVertex;\\n\\t\\tif ( isOrthographic ) {\\n\\t\\t\\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\\n\\t\\t} else {\\n\\t\\t\\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\\n\\t\\t}\\n\\t\\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvReflect = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#endif\\n#endif\";\n\nvar fog_vertex = \"#ifdef USE_FOG\\n\\tvFogDepth = - mvPosition.z;\\n#endif\";\n\nvar fog_pars_vertex = \"#ifdef USE_FOG\\n\\tvarying float vFogDepth;\\n#endif\";\n\nvar fog_fragment = \"#ifdef USE_FOG\\n\\t#ifdef FOG_EXP2\\n\\t\\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\\n\\t#else\\n\\t\\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\\n\\t#endif\\n\\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\\n#endif\";\n\nvar fog_pars_fragment = \"#ifdef USE_FOG\\n\\tuniform vec3 fogColor;\\n\\tvarying float vFogDepth;\\n\\t#ifdef FOG_EXP2\\n\\t\\tuniform float fogDensity;\\n\\t#else\\n\\t\\tuniform float fogNear;\\n\\t\\tuniform float fogFar;\\n\\t#endif\\n#endif\";\n\nvar gradientmap_pars_fragment = \"#ifdef USE_GRADIENTMAP\\n\\tuniform sampler2D gradientMap;\\n#endif\\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\\n\\tfloat dotNL = dot( normal, lightDirection );\\n\\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\\n\\t#ifdef USE_GRADIENTMAP\\n\\t\\treturn vec3( texture2D( gradientMap, coord ).r );\\n\\t#else\\n\\t\\tvec2 fw = fwidth( coord ) * 0.5;\\n\\t\\treturn mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );\\n\\t#endif\\n}\";\n\nvar lightmap_pars_fragment = \"#ifdef USE_LIGHTMAP\\n\\tuniform sampler2D lightMap;\\n\\tuniform float lightMapIntensity;\\n#endif\";\n\nvar lights_lambert_fragment = \"LambertMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\\nmaterial.specularStrength = specularStrength;\";\n\nvar lights_lambert_pars_fragment = \"varying vec3 vViewPosition;\\nstruct LambertMaterial {\\n\\tvec3 diffuseColor;\\n\\tfloat specularStrength;\\n};\\nvoid RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Lambert\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Lambert\";\n\nvar lights_pars_begin = \"uniform bool receiveShadow;\\nuniform vec3 ambientLightColor;\\n#if defined( USE_LIGHT_PROBES )\\n\\tuniform vec3 lightProbe[ 9 ];\\n#endif\\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\\n\\tfloat x = normal.x, y = normal.y, z = normal.z;\\n\\tvec3 result = shCoefficients[ 0 ] * 0.886227;\\n\\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\\n\\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\\n\\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\\n\\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\\n\\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\\n\\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\\n\\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\\n\\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\\n\\treturn result;\\n}\\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\\n\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\\n\\treturn irradiance;\\n}\\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\\n\\tvec3 irradiance = ambientLightColor;\\n\\treturn irradiance;\\n}\\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\\n\\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\\n\\tif ( cutoffDistance > 0.0 ) {\\n\\t\\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\\n\\t}\\n\\treturn distanceFalloff;\\n}\\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\\n\\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\\n}\\n#if NUM_DIR_LIGHTS > 0\\n\\tstruct DirectionalLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t};\\n\\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\\n\\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) {\\n\\t\\tlight.color = directionalLight.color;\\n\\t\\tlight.direction = directionalLight.direction;\\n\\t\\tlight.visible = true;\\n\\t}\\n#endif\\n#if NUM_POINT_LIGHTS > 0\\n\\tstruct PointLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t};\\n\\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\\n\\tvoid getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) {\\n\\t\\tvec3 lVector = pointLight.position - geometryPosition;\\n\\t\\tlight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tlight.color = pointLight.color;\\n\\t\\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\\n\\t\\tlight.visible = ( light.color != vec3( 0.0 ) );\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tstruct SpotLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tfloat coneCos;\\n\\t\\tfloat penumbraCos;\\n\\t};\\n\\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\\n\\tvoid getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) {\\n\\t\\tvec3 lVector = spotLight.position - geometryPosition;\\n\\t\\tlight.direction = normalize( lVector );\\n\\t\\tfloat angleCos = dot( light.direction, spotLight.direction );\\n\\t\\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\\n\\t\\tif ( spotAttenuation > 0.0 ) {\\n\\t\\t\\tfloat lightDistance = length( lVector );\\n\\t\\t\\tlight.color = spotLight.color * spotAttenuation;\\n\\t\\t\\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\\n\\t\\t\\tlight.visible = ( light.color != vec3( 0.0 ) );\\n\\t\\t} else {\\n\\t\\t\\tlight.color = vec3( 0.0 );\\n\\t\\t\\tlight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_RECT_AREA_LIGHTS > 0\\n\\tstruct RectAreaLight {\\n\\t\\tvec3 color;\\n\\t\\tvec3 position;\\n\\t\\tvec3 halfWidth;\\n\\t\\tvec3 halfHeight;\\n\\t};\\n\\tuniform sampler2D ltc_1;\\tuniform sampler2D ltc_2;\\n\\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tstruct HemisphereLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 skyColor;\\n\\t\\tvec3 groundColor;\\n\\t};\\n\\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\\n\\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\\n\\t\\tfloat dotNL = dot( normal, hemiLight.direction );\\n\\t\\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\\n\\t\\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\\n\\t\\treturn irradiance;\\n\\t}\\n#endif\";\n\nvar envmap_physical_pars_fragment = \"#ifdef USE_ENVMAP\\n\\tvec3 getIBLIrradiance( const in vec3 normal ) {\\n\\t\\t#ifdef ENVMAP_TYPE_CUBE_UV\\n\\t\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * worldNormal, 1.0 );\\n\\t\\t\\treturn PI * envMapColor.rgb * envMapIntensity;\\n\\t\\t#else\\n\\t\\t\\treturn vec3( 0.0 );\\n\\t\\t#endif\\n\\t}\\n\\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\\n\\t\\t#ifdef ENVMAP_TYPE_CUBE_UV\\n\\t\\t\\tvec3 reflectVec = reflect( - viewDir, normal );\\n\\t\\t\\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\\n\\t\\t\\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * reflectVec, roughness );\\n\\t\\t\\treturn envMapColor.rgb * envMapIntensity;\\n\\t\\t#else\\n\\t\\t\\treturn vec3( 0.0 );\\n\\t\\t#endif\\n\\t}\\n\\t#ifdef USE_ANISOTROPY\\n\\t\\tvec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) {\\n\\t\\t\\t#ifdef ENVMAP_TYPE_CUBE_UV\\n\\t\\t\\t\\tvec3 bentNormal = cross( bitangent, viewDir );\\n\\t\\t\\t\\tbentNormal = normalize( cross( bentNormal, bitangent ) );\\n\\t\\t\\t\\tbentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) );\\n\\t\\t\\t\\treturn getIBLRadiance( viewDir, bentNormal, roughness );\\n\\t\\t\\t#else\\n\\t\\t\\t\\treturn vec3( 0.0 );\\n\\t\\t\\t#endif\\n\\t\\t}\\n\\t#endif\\n#endif\";\n\nvar lights_toon_fragment = \"ToonMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\";\n\nvar lights_toon_pars_fragment = \"varying vec3 vViewPosition;\\nstruct ToonMaterial {\\n\\tvec3 diffuseColor;\\n};\\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tvec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color;\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Toon\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Toon\";\n\nvar lights_phong_fragment = \"BlinnPhongMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\\nmaterial.specularColor = specular;\\nmaterial.specularShininess = shininess;\\nmaterial.specularStrength = specularStrength;\";\n\nvar lights_phong_pars_fragment = \"varying vec3 vViewPosition;\\nstruct BlinnPhongMaterial {\\n\\tvec3 diffuseColor;\\n\\tvec3 specularColor;\\n\\tfloat specularShininess;\\n\\tfloat specularStrength;\\n};\\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n\\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength;\\n}\\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_BlinnPhong\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_BlinnPhong\";\n\nvar lights_physical_fragment = \"PhysicalMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\\nvec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) );\\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\\nmaterial.roughness = min( material.roughness, 1.0 );\\n#ifdef IOR\\n\\tmaterial.ior = ior;\\n\\t#ifdef USE_SPECULAR\\n\\t\\tfloat specularIntensityFactor = specularIntensity;\\n\\t\\tvec3 specularColorFactor = specularColor;\\n\\t\\t#ifdef USE_SPECULAR_COLORMAP\\n\\t\\t\\tspecularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb;\\n\\t\\t#endif\\n\\t\\t#ifdef USE_SPECULAR_INTENSITYMAP\\n\\t\\t\\tspecularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a;\\n\\t\\t#endif\\n\\t\\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\\n\\t#else\\n\\t\\tfloat specularIntensityFactor = 1.0;\\n\\t\\tvec3 specularColorFactor = vec3( 1.0 );\\n\\t\\tmaterial.specularF90 = 1.0;\\n\\t#endif\\n\\tmaterial.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\\n#else\\n\\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\\n\\tmaterial.specularF90 = 1.0;\\n#endif\\n#ifdef USE_CLEARCOAT\\n\\tmaterial.clearcoat = clearcoat;\\n\\tmaterial.clearcoatRoughness = clearcoatRoughness;\\n\\tmaterial.clearcoatF0 = vec3( 0.04 );\\n\\tmaterial.clearcoatF90 = 1.0;\\n\\t#ifdef USE_CLEARCOATMAP\\n\\t\\tmaterial.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x;\\n\\t#endif\\n\\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\t\\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y;\\n\\t#endif\\n\\tmaterial.clearcoat = saturate( material.clearcoat );\\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\\n\\tmaterial.clearcoatRoughness += geometryRoughness;\\n\\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\\n#endif\\n#ifdef USE_DISPERSION\\n\\tmaterial.dispersion = dispersion;\\n#endif\\n#ifdef USE_IRIDESCENCE\\n\\tmaterial.iridescence = iridescence;\\n\\tmaterial.iridescenceIOR = iridescenceIOR;\\n\\t#ifdef USE_IRIDESCENCEMAP\\n\\t\\tmaterial.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r;\\n\\t#endif\\n\\t#ifdef USE_IRIDESCENCE_THICKNESSMAP\\n\\t\\tmaterial.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum;\\n\\t#else\\n\\t\\tmaterial.iridescenceThickness = iridescenceThicknessMaximum;\\n\\t#endif\\n#endif\\n#ifdef USE_SHEEN\\n\\tmaterial.sheenColor = sheenColor;\\n\\t#ifdef USE_SHEEN_COLORMAP\\n\\t\\tmaterial.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb;\\n\\t#endif\\n\\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\\n\\t#ifdef USE_SHEEN_ROUGHNESSMAP\\n\\t\\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a;\\n\\t#endif\\n#endif\\n#ifdef USE_ANISOTROPY\\n\\t#ifdef USE_ANISOTROPYMAP\\n\\t\\tmat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x );\\n\\t\\tvec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb;\\n\\t\\tvec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b;\\n\\t#else\\n\\t\\tvec2 anisotropyV = anisotropyVector;\\n\\t#endif\\n\\tmaterial.anisotropy = length( anisotropyV );\\n\\tif( material.anisotropy == 0.0 ) {\\n\\t\\tanisotropyV = vec2( 1.0, 0.0 );\\n\\t} else {\\n\\t\\tanisotropyV /= material.anisotropy;\\n\\t\\tmaterial.anisotropy = saturate( material.anisotropy );\\n\\t}\\n\\tmaterial.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) );\\n\\tmaterial.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y;\\n\\tmaterial.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y;\\n#endif\";\n\nvar lights_physical_pars_fragment = \"struct PhysicalMaterial {\\n\\tvec3 diffuseColor;\\n\\tfloat roughness;\\n\\tvec3 specularColor;\\n\\tfloat specularF90;\\n\\tfloat dispersion;\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat clearcoat;\\n\\t\\tfloat clearcoatRoughness;\\n\\t\\tvec3 clearcoatF0;\\n\\t\\tfloat clearcoatF90;\\n\\t#endif\\n\\t#ifdef USE_IRIDESCENCE\\n\\t\\tfloat iridescence;\\n\\t\\tfloat iridescenceIOR;\\n\\t\\tfloat iridescenceThickness;\\n\\t\\tvec3 iridescenceFresnel;\\n\\t\\tvec3 iridescenceF0;\\n\\t#endif\\n\\t#ifdef USE_SHEEN\\n\\t\\tvec3 sheenColor;\\n\\t\\tfloat sheenRoughness;\\n\\t#endif\\n\\t#ifdef IOR\\n\\t\\tfloat ior;\\n\\t#endif\\n\\t#ifdef USE_TRANSMISSION\\n\\t\\tfloat transmission;\\n\\t\\tfloat transmissionAlpha;\\n\\t\\tfloat thickness;\\n\\t\\tfloat attenuationDistance;\\n\\t\\tvec3 attenuationColor;\\n\\t#endif\\n\\t#ifdef USE_ANISOTROPY\\n\\t\\tfloat anisotropy;\\n\\t\\tfloat alphaT;\\n\\t\\tvec3 anisotropyT;\\n\\t\\tvec3 anisotropyB;\\n\\t#endif\\n};\\nvec3 clearcoatSpecularDirect = vec3( 0.0 );\\nvec3 clearcoatSpecularIndirect = vec3( 0.0 );\\nvec3 sheenSpecularDirect = vec3( 0.0 );\\nvec3 sheenSpecularIndirect = vec3(0.0 );\\nvec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {\\n float x = clamp( 1.0 - dotVH, 0.0, 1.0 );\\n float x2 = x * x;\\n float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\\n return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\\n}\\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\treturn 0.5 / max( gv + gl, EPSILON );\\n}\\nfloat D_GGX( const in float alpha, const in float dotNH ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\\n\\treturn RECIPROCAL_PI * a2 / pow2( denom );\\n}\\n#ifdef USE_ANISOTROPY\\n\\tfloat V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) {\\n\\t\\tfloat gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) );\\n\\t\\tfloat gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );\\n\\t\\tfloat v = 0.5 / ( gv + gl );\\n\\t\\treturn saturate(v);\\n\\t}\\n\\tfloat D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {\\n\\t\\tfloat a2 = alphaT * alphaB;\\n\\t\\thighp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );\\n\\t\\thighp float v2 = dot( v, v );\\n\\t\\tfloat w2 = a2 / v2;\\n\\t\\treturn RECIPROCAL_PI * a2 * pow2 ( w2 );\\n\\t}\\n#endif\\n#ifdef USE_CLEARCOAT\\n\\tvec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {\\n\\t\\tvec3 f0 = material.clearcoatF0;\\n\\t\\tfloat f90 = material.clearcoatF90;\\n\\t\\tfloat roughness = material.clearcoatRoughness;\\n\\t\\tfloat alpha = pow2( roughness );\\n\\t\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\t\\tfloat dotNL = saturate( dot( normal, lightDir ) );\\n\\t\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\t\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\t\\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\\n\\t\\tvec3 F = F_Schlick( f0, f90, dotVH );\\n\\t\\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\\n\\t\\tfloat D = D_GGX( alpha, dotNH );\\n\\t\\treturn F * ( V * D );\\n\\t}\\n#endif\\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\\n\\tvec3 f0 = material.specularColor;\\n\\tfloat f90 = material.specularF90;\\n\\tfloat roughness = material.roughness;\\n\\tfloat alpha = pow2( roughness );\\n\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\tfloat dotNL = saturate( dot( normal, lightDir ) );\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\\n\\tvec3 F = F_Schlick( f0, f90, dotVH );\\n\\t#ifdef USE_IRIDESCENCE\\n\\t\\tF = mix( F, material.iridescenceFresnel, material.iridescence );\\n\\t#endif\\n\\t#ifdef USE_ANISOTROPY\\n\\t\\tfloat dotTL = dot( material.anisotropyT, lightDir );\\n\\t\\tfloat dotTV = dot( material.anisotropyT, viewDir );\\n\\t\\tfloat dotTH = dot( material.anisotropyT, halfDir );\\n\\t\\tfloat dotBL = dot( material.anisotropyB, lightDir );\\n\\t\\tfloat dotBV = dot( material.anisotropyB, viewDir );\\n\\t\\tfloat dotBH = dot( material.anisotropyB, halfDir );\\n\\t\\tfloat V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );\\n\\t\\tfloat D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );\\n\\t#else\\n\\t\\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\\n\\t\\tfloat D = D_GGX( alpha, dotNH );\\n\\t#endif\\n\\treturn F * ( V * D );\\n}\\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\\n\\tconst float LUT_SIZE = 64.0;\\n\\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\\n\\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\\n\\tfloat dotNV = saturate( dot( N, V ) );\\n\\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\\n\\tuv = uv * LUT_SCALE + LUT_BIAS;\\n\\treturn uv;\\n}\\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\\n\\tfloat l = length( f );\\n\\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\\n}\\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\\n\\tfloat x = dot( v1, v2 );\\n\\tfloat y = abs( x );\\n\\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\\n\\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\\n\\tfloat v = a / b;\\n\\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\\n\\treturn cross( v1, v2 ) * theta_sintheta;\\n}\\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\\n\\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\\n\\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\\n\\tvec3 lightNormal = cross( v1, v2 );\\n\\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\\n\\tvec3 T1, T2;\\n\\tT1 = normalize( V - N * dot( V, N ) );\\n\\tT2 = - cross( N, T1 );\\n\\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\\n\\tvec3 coords[ 4 ];\\n\\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\\n\\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\\n\\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\\n\\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\\n\\tcoords[ 0 ] = normalize( coords[ 0 ] );\\n\\tcoords[ 1 ] = normalize( coords[ 1 ] );\\n\\tcoords[ 2 ] = normalize( coords[ 2 ] );\\n\\tcoords[ 3 ] = normalize( coords[ 3 ] );\\n\\tvec3 vectorFormFactor = vec3( 0.0 );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\\n\\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\\n\\treturn vec3( result );\\n}\\n#if defined( USE_SHEEN )\\nfloat D_Charlie( float roughness, float dotNH ) {\\n\\tfloat alpha = pow2( roughness );\\n\\tfloat invAlpha = 1.0 / alpha;\\n\\tfloat cos2h = dotNH * dotNH;\\n\\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\\n\\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\\n}\\nfloat V_Neubelt( float dotNV, float dotNL ) {\\n\\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\\n}\\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\\n\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\tfloat dotNL = saturate( dot( normal, lightDir ) );\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat D = D_Charlie( sheenRoughness, dotNH );\\n\\tfloat V = V_Neubelt( dotNV, dotNL );\\n\\treturn sheenColor * ( D * V );\\n}\\n#endif\\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tfloat r2 = roughness * roughness;\\n\\tfloat a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\\n\\tfloat b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\\n\\tfloat DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\\n\\treturn saturate( DG * RECIPROCAL_PI );\\n}\\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\\n\\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\\n\\tvec4 r = roughness * c0 + c1;\\n\\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\\n\\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\\n\\treturn fab;\\n}\\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\\n\\tvec2 fab = DFGApprox( normal, viewDir, roughness );\\n\\treturn specularColor * fab.x + specularF90 * fab.y;\\n}\\n#ifdef USE_IRIDESCENCE\\nvoid computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\\n#else\\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\\n#endif\\n\\tvec2 fab = DFGApprox( normal, viewDir, roughness );\\n\\t#ifdef USE_IRIDESCENCE\\n\\t\\tvec3 Fr = mix( specularColor, iridescenceF0, iridescence );\\n\\t#else\\n\\t\\tvec3 Fr = specularColor;\\n\\t#endif\\n\\tvec3 FssEss = Fr * fab.x + specularF90 * fab.y;\\n\\tfloat Ess = fab.x + fab.y;\\n\\tfloat Ems = 1.0 - Ess;\\n\\tvec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;\\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\\n\\tsingleScatter += FssEss;\\n\\tmultiScatter += Fms * Ems;\\n}\\n#if NUM_RECT_AREA_LIGHTS > 0\\n\\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\t\\tvec3 normal = geometryNormal;\\n\\t\\tvec3 viewDir = geometryViewDir;\\n\\t\\tvec3 position = geometryPosition;\\n\\t\\tvec3 lightPos = rectAreaLight.position;\\n\\t\\tvec3 halfWidth = rectAreaLight.halfWidth;\\n\\t\\tvec3 halfHeight = rectAreaLight.halfHeight;\\n\\t\\tvec3 lightColor = rectAreaLight.color;\\n\\t\\tfloat roughness = material.roughness;\\n\\t\\tvec3 rectCoords[ 4 ];\\n\\t\\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\\t\\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\\n\\t\\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\\n\\t\\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\\n\\t\\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\\n\\t\\tvec4 t1 = texture2D( ltc_1, uv );\\n\\t\\tvec4 t2 = texture2D( ltc_2, uv );\\n\\t\\tmat3 mInv = mat3(\\n\\t\\t\\tvec3( t1.x, 0, t1.y ),\\n\\t\\t\\tvec3( 0, 1, 0 ),\\n\\t\\t\\tvec3( t1.z, 0, t1.w )\\n\\t\\t);\\n\\t\\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\\n\\t\\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\\n\\t\\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\\n\\t}\\n#endif\\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );\\n\\t\\tvec3 ccIrradiance = dotNLcc * directLight.color;\\n\\t\\tclearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );\\n\\t#endif\\n\\t#ifdef USE_SHEEN\\n\\t\\tsheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );\\n\\t#endif\\n\\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometryViewDir, geometryNormal, material );\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tclearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\\n\\t#endif\\n\\t#ifdef USE_SHEEN\\n\\t\\tsheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\\n\\t#endif\\n\\tvec3 singleScattering = vec3( 0.0 );\\n\\tvec3 multiScattering = vec3( 0.0 );\\n\\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\\n\\t#ifdef USE_IRIDESCENCE\\n\\t\\tcomputeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );\\n\\t#else\\n\\t\\tcomputeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\\n\\t#endif\\n\\tvec3 totalScattering = singleScattering + multiScattering;\\n\\tvec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );\\n\\treflectedLight.indirectSpecular += radiance * singleScattering;\\n\\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\\n\\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Physical\\n#define RE_Direct_RectArea\\t\\tRE_Direct_RectArea_Physical\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Physical\\n#define RE_IndirectSpecular\\t\\tRE_IndirectSpecular_Physical\\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\\n\\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\\n}\";\n\nvar lights_fragment_begin = \"\\nvec3 geometryPosition = - vViewPosition;\\nvec3 geometryNormal = normal;\\nvec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\\nvec3 geometryClearcoatNormal = vec3( 0.0 );\\n#ifdef USE_CLEARCOAT\\n\\tgeometryClearcoatNormal = clearcoatNormal;\\n#endif\\n#ifdef USE_IRIDESCENCE\\n\\tfloat dotNVi = saturate( dot( normal, geometryViewDir ) );\\n\\tif ( material.iridescenceThickness == 0.0 ) {\\n\\t\\tmaterial.iridescence = 0.0;\\n\\t} else {\\n\\t\\tmaterial.iridescence = saturate( material.iridescence );\\n\\t}\\n\\tif ( material.iridescence > 0.0 ) {\\n\\t\\tmaterial.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\\n\\t\\tmaterial.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\\n\\t}\\n#endif\\nIncidentLight directLight;\\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tPointLight pointLight;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\\n\\tPointLightShadow pointLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tgetPointLightInfo( pointLight, geometryPosition, directLight );\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\\n\\t\\tpointLightShadow = pointLightShadows[ i ];\\n\\t\\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowIntensity, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tSpotLight spotLight;\\n\\tvec4 spotColor;\\n\\tvec3 spotLightCoord;\\n\\tbool inSpotLightMap;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\\n\\tSpotLightShadow spotLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tgetSpotLightInfo( spotLight, geometryPosition, directLight );\\n\\t\\t#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\\n\\t\\t#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX\\n\\t\\t#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\\n\\t\\t#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS\\n\\t\\t#else\\n\\t\\t#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\\n\\t\\t#endif\\n\\t\\t#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )\\n\\t\\t\\tspotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;\\n\\t\\t\\tinSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );\\n\\t\\t\\tspotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );\\n\\t\\t\\tdirectLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;\\n\\t\\t#endif\\n\\t\\t#undef SPOT_LIGHT_MAP_INDEX\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\\n\\t\\tspotLightShadow = spotLightShadows[ i ];\\n\\t\\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowIntensity, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tDirectionalLight directionalLight;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\\n\\tDirectionalLightShadow directionalLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tgetDirectionalLightInfo( directionalLight, directLight );\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\\n\\t\\tdirectionalLightShadow = directionalLightShadows[ i ];\\n\\t\\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowIntensity, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\\n\\tRectAreaLight rectAreaLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\\n\\t\\trectAreaLight = rectAreaLights[ i ];\\n\\t\\tRE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if defined( RE_IndirectDiffuse )\\n\\tvec3 iblIrradiance = vec3( 0.0 );\\n\\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\\n\\t#if defined( USE_LIGHT_PROBES )\\n\\t\\tirradiance += getLightProbeIrradiance( lightProbe, geometryNormal );\\n\\t#endif\\n\\t#if ( NUM_HEMI_LIGHTS > 0 )\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\t\\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal );\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t#endif\\n#endif\\n#if defined( RE_IndirectSpecular )\\n\\tvec3 radiance = vec3( 0.0 );\\n\\tvec3 clearcoatRadiance = vec3( 0.0 );\\n#endif\";\n\nvar lights_fragment_maps = \"#if defined( RE_IndirectDiffuse )\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\\n\\t\\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\\n\\t\\tirradiance += lightMapIrradiance;\\n\\t#endif\\n\\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\tiblIrradiance += getIBLIrradiance( geometryNormal );\\n\\t#endif\\n#endif\\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\\n\\t#ifdef USE_ANISOTROPY\\n\\t\\tradiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy );\\n\\t#else\\n\\t\\tradiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness );\\n\\t#endif\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tclearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness );\\n\\t#endif\\n#endif\";\n\nvar lights_fragment_end = \"#if defined( RE_IndirectDiffuse )\\n\\tRE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\\n#endif\\n#if defined( RE_IndirectSpecular )\\n\\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\\n#endif\";\n\nvar logdepthbuf_fragment = \"#if defined( USE_LOGDEPTHBUF )\\n\\tgl_FragDepth = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\\n#endif\";\n\nvar logdepthbuf_pars_fragment = \"#if defined( USE_LOGDEPTHBUF )\\n\\tuniform float logDepthBufFC;\\n\\tvarying float vFragDepth;\\n\\tvarying float vIsPerspective;\\n#endif\";\n\nvar logdepthbuf_pars_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\tvarying float vFragDepth;\\n\\tvarying float vIsPerspective;\\n#endif\";\n\nvar logdepthbuf_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\tvFragDepth = 1.0 + gl_Position.w;\\n\\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\\n#endif\";\n\nvar map_fragment = \"#ifdef USE_MAP\\n\\tvec4 sampledDiffuseColor = texture2D( map, vMapUv );\\n\\t#ifdef DECODE_VIDEO_TEXTURE\\n\\t\\tsampledDiffuseColor = sRGBTransferEOTF( sampledDiffuseColor );\\n\\t#endif\\n\\tdiffuseColor *= sampledDiffuseColor;\\n#endif\";\n\nvar map_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\";\n\nvar map_particle_fragment = \"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\\n\\t#if defined( USE_POINTS_UV )\\n\\t\\tvec2 uv = vUv;\\n\\t#else\\n\\t\\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\\n\\t#endif\\n#endif\\n#ifdef USE_MAP\\n\\tdiffuseColor *= texture2D( map, uv );\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\\n#endif\";\n\nvar map_particle_pars_fragment = \"#if defined( USE_POINTS_UV )\\n\\tvarying vec2 vUv;\\n#else\\n\\t#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\\n\\t\\tuniform mat3 uvTransform;\\n\\t#endif\\n#endif\\n#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\";\n\nvar metalnessmap_fragment = \"float metalnessFactor = metalness;\\n#ifdef USE_METALNESSMAP\\n\\tvec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv );\\n\\tmetalnessFactor *= texelMetalness.b;\\n#endif\";\n\nvar metalnessmap_pars_fragment = \"#ifdef USE_METALNESSMAP\\n\\tuniform sampler2D metalnessMap;\\n#endif\";\n\nvar morphinstance_vertex = \"#ifdef USE_INSTANCING_MORPH\\n\\tfloat morphTargetInfluences[ MORPHTARGETS_COUNT ];\\n\\tfloat morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r;\\n\\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\\n\\t\\tmorphTargetInfluences[i] = texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r;\\n\\t}\\n#endif\";\n\nvar morphcolor_vertex = \"#if defined( USE_MORPHCOLORS )\\n\\tvColor *= morphTargetBaseInfluence;\\n\\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\\n\\t\\t#if defined( USE_COLOR_ALPHA )\\n\\t\\t\\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\\n\\t\\t#elif defined( USE_COLOR )\\n\\t\\t\\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\\n\\t\\t#endif\\n\\t}\\n#endif\";\n\nvar morphnormal_vertex = \"#ifdef USE_MORPHNORMALS\\n\\tobjectNormal *= morphTargetBaseInfluence;\\n\\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\\n\\t\\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\\n\\t}\\n#endif\";\n\nvar morphtarget_pars_vertex = \"#ifdef USE_MORPHTARGETS\\n\\t#ifndef USE_INSTANCING_MORPH\\n\\t\\tuniform float morphTargetBaseInfluence;\\n\\t\\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\\n\\t#endif\\n\\tuniform sampler2DArray morphTargetsTexture;\\n\\tuniform ivec2 morphTargetsTextureSize;\\n\\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\\n\\t\\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\\n\\t\\tint y = texelIndex / morphTargetsTextureSize.x;\\n\\t\\tint x = texelIndex - y * morphTargetsTextureSize.x;\\n\\t\\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\\n\\t\\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\\n\\t}\\n#endif\";\n\nvar morphtarget_vertex = \"#ifdef USE_MORPHTARGETS\\n\\ttransformed *= morphTargetBaseInfluence;\\n\\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\\n\\t\\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\\n\\t}\\n#endif\";\n\nvar normal_fragment_begin = \"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\\n#ifdef FLAT_SHADED\\n\\tvec3 fdx = dFdx( vViewPosition );\\n\\tvec3 fdy = dFdy( vViewPosition );\\n\\tvec3 normal = normalize( cross( fdx, fdy ) );\\n#else\\n\\tvec3 normal = normalize( vNormal );\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\tnormal *= faceDirection;\\n\\t#endif\\n#endif\\n#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY )\\n\\t#ifdef USE_TANGENT\\n\\t\\tmat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\\n\\t#else\\n\\t\\tmat3 tbn = getTangentFrame( - vViewPosition, normal,\\n\\t\\t#if defined( USE_NORMALMAP )\\n\\t\\t\\tvNormalMapUv\\n\\t\\t#elif defined( USE_CLEARCOAT_NORMALMAP )\\n\\t\\t\\tvClearcoatNormalMapUv\\n\\t\\t#else\\n\\t\\t\\tvUv\\n\\t\\t#endif\\n\\t\\t);\\n\\t#endif\\n\\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\\n\\t\\ttbn[0] *= faceDirection;\\n\\t\\ttbn[1] *= faceDirection;\\n\\t#endif\\n#endif\\n#ifdef USE_CLEARCOAT_NORMALMAP\\n\\t#ifdef USE_TANGENT\\n\\t\\tmat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\\n\\t#else\\n\\t\\tmat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv );\\n\\t#endif\\n\\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\\n\\t\\ttbn2[0] *= faceDirection;\\n\\t\\ttbn2[1] *= faceDirection;\\n\\t#endif\\n#endif\\nvec3 nonPerturbedNormal = normal;\";\n\nvar normal_fragment_maps = \"#ifdef USE_NORMALMAP_OBJECTSPACE\\n\\tnormal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\\n\\t#ifdef FLIP_SIDED\\n\\t\\tnormal = - normal;\\n\\t#endif\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\tnormal = normal * faceDirection;\\n\\t#endif\\n\\tnormal = normalize( normalMatrix * normal );\\n#elif defined( USE_NORMALMAP_TANGENTSPACE )\\n\\tvec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\\n\\tmapN.xy *= normalScale;\\n\\tnormal = normalize( tbn * mapN );\\n#elif defined( USE_BUMPMAP )\\n\\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\\n#endif\";\n\nvar normal_pars_fragment = \"#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\tvarying vec3 vTangent;\\n\\t\\tvarying vec3 vBitangent;\\n\\t#endif\\n#endif\";\n\nvar normal_pars_vertex = \"#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\tvarying vec3 vTangent;\\n\\t\\tvarying vec3 vBitangent;\\n\\t#endif\\n#endif\";\n\nvar normal_vertex = \"#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n\\t#ifdef USE_TANGENT\\n\\t\\tvTangent = normalize( transformedTangent );\\n\\t\\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\\n\\t#endif\\n#endif\";\n\nvar normalmap_pars_fragment = \"#ifdef USE_NORMALMAP\\n\\tuniform sampler2D normalMap;\\n\\tuniform vec2 normalScale;\\n#endif\\n#ifdef USE_NORMALMAP_OBJECTSPACE\\n\\tuniform mat3 normalMatrix;\\n#endif\\n#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) )\\n\\tmat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {\\n\\t\\tvec3 q0 = dFdx( eye_pos.xyz );\\n\\t\\tvec3 q1 = dFdy( eye_pos.xyz );\\n\\t\\tvec2 st0 = dFdx( uv.st );\\n\\t\\tvec2 st1 = dFdy( uv.st );\\n\\t\\tvec3 N = surf_norm;\\n\\t\\tvec3 q1perp = cross( q1, N );\\n\\t\\tvec3 q0perp = cross( N, q0 );\\n\\t\\tvec3 T = q1perp * st0.x + q0perp * st1.x;\\n\\t\\tvec3 B = q1perp * st0.y + q0perp * st1.y;\\n\\t\\tfloat det = max( dot( T, T ), dot( B, B ) );\\n\\t\\tfloat scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det );\\n\\t\\treturn mat3( T * scale, B * scale, N );\\n\\t}\\n#endif\";\n\nvar clearcoat_normal_fragment_begin = \"#ifdef USE_CLEARCOAT\\n\\tvec3 clearcoatNormal = nonPerturbedNormal;\\n#endif\";\n\nvar clearcoat_normal_fragment_maps = \"#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0;\\n\\tclearcoatMapN.xy *= clearcoatNormalScale;\\n\\tclearcoatNormal = normalize( tbn2 * clearcoatMapN );\\n#endif\";\n\nvar clearcoat_pars_fragment = \"#ifdef USE_CLEARCOATMAP\\n\\tuniform sampler2D clearcoatMap;\\n#endif\\n#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tuniform sampler2D clearcoatNormalMap;\\n\\tuniform vec2 clearcoatNormalScale;\\n#endif\\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\tuniform sampler2D clearcoatRoughnessMap;\\n#endif\";\n\nvar iridescence_pars_fragment = \"#ifdef USE_IRIDESCENCEMAP\\n\\tuniform sampler2D iridescenceMap;\\n#endif\\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\\n\\tuniform sampler2D iridescenceThicknessMap;\\n#endif\";\n\nvar opaque_fragment = \"#ifdef OPAQUE\\ndiffuseColor.a = 1.0;\\n#endif\\n#ifdef USE_TRANSMISSION\\ndiffuseColor.a *= material.transmissionAlpha;\\n#endif\\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );\";\n\nvar packing = \"vec3 packNormalToRGB( const in vec3 normal ) {\\n\\treturn normalize( normal ) * 0.5 + 0.5;\\n}\\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\\n\\treturn 2.0 * rgb.xyz - 1.0;\\n}\\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;const float ShiftRight8 = 1. / 256.;\\nconst float Inv255 = 1. / 255.;\\nconst vec4 PackFactors = vec4( 1.0, 256.0, 256.0 * 256.0, 256.0 * 256.0 * 256.0 );\\nconst vec2 UnpackFactors2 = vec2( UnpackDownscale, 1.0 / PackFactors.g );\\nconst vec3 UnpackFactors3 = vec3( UnpackDownscale / PackFactors.rg, 1.0 / PackFactors.b );\\nconst vec4 UnpackFactors4 = vec4( UnpackDownscale / PackFactors.rgb, 1.0 / PackFactors.a );\\nvec4 packDepthToRGBA( const in float v ) {\\n\\tif( v <= 0.0 )\\n\\t\\treturn vec4( 0., 0., 0., 0. );\\n\\tif( v >= 1.0 )\\n\\t\\treturn vec4( 1., 1., 1., 1. );\\n\\tfloat vuf;\\n\\tfloat af = modf( v * PackFactors.a, vuf );\\n\\tfloat bf = modf( vuf * ShiftRight8, vuf );\\n\\tfloat gf = modf( vuf * ShiftRight8, vuf );\\n\\treturn vec4( vuf * Inv255, gf * PackUpscale, bf * PackUpscale, af );\\n}\\nvec3 packDepthToRGB( const in float v ) {\\n\\tif( v <= 0.0 )\\n\\t\\treturn vec3( 0., 0., 0. );\\n\\tif( v >= 1.0 )\\n\\t\\treturn vec3( 1., 1., 1. );\\n\\tfloat vuf;\\n\\tfloat bf = modf( v * PackFactors.b, vuf );\\n\\tfloat gf = modf( vuf * ShiftRight8, vuf );\\n\\treturn vec3( vuf * Inv255, gf * PackUpscale, bf );\\n}\\nvec2 packDepthToRG( const in float v ) {\\n\\tif( v <= 0.0 )\\n\\t\\treturn vec2( 0., 0. );\\n\\tif( v >= 1.0 )\\n\\t\\treturn vec2( 1., 1. );\\n\\tfloat vuf;\\n\\tfloat gf = modf( v * 256., vuf );\\n\\treturn vec2( vuf * Inv255, gf );\\n}\\nfloat unpackRGBAToDepth( const in vec4 v ) {\\n\\treturn dot( v, UnpackFactors4 );\\n}\\nfloat unpackRGBToDepth( const in vec3 v ) {\\n\\treturn dot( v, UnpackFactors3 );\\n}\\nfloat unpackRGToDepth( const in vec2 v ) {\\n\\treturn v.r * UnpackFactors2.r + v.g * UnpackFactors2.g;\\n}\\nvec4 pack2HalfToRGBA( const in vec2 v ) {\\n\\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\\n\\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\\n}\\nvec2 unpackRGBATo2Half( const in vec4 v ) {\\n\\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\\n}\\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\\n\\treturn ( viewZ + near ) / ( near - far );\\n}\\nfloat orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) {\\n\\treturn depth * ( near - far ) - near;\\n}\\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\\n\\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\\n}\\nfloat perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) {\\n\\treturn ( near * far ) / ( ( far - near ) * depth - far );\\n}\";\n\nvar premultiplied_alpha_fragment = \"#ifdef PREMULTIPLIED_ALPHA\\n\\tgl_FragColor.rgb *= gl_FragColor.a;\\n#endif\";\n\nvar project_vertex = \"vec4 mvPosition = vec4( transformed, 1.0 );\\n#ifdef USE_BATCHING\\n\\tmvPosition = batchingMatrix * mvPosition;\\n#endif\\n#ifdef USE_INSTANCING\\n\\tmvPosition = instanceMatrix * mvPosition;\\n#endif\\nmvPosition = modelViewMatrix * mvPosition;\\ngl_Position = projectionMatrix * mvPosition;\";\n\nvar dithering_fragment = \"#ifdef DITHERING\\n\\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\\n#endif\";\n\nvar dithering_pars_fragment = \"#ifdef DITHERING\\n\\tvec3 dithering( vec3 color ) {\\n\\t\\tfloat grid_position = rand( gl_FragCoord.xy );\\n\\t\\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\\n\\t\\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\\n\\t\\treturn color + dither_shift_RGB;\\n\\t}\\n#endif\";\n\nvar roughnessmap_fragment = \"float roughnessFactor = roughness;\\n#ifdef USE_ROUGHNESSMAP\\n\\tvec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv );\\n\\troughnessFactor *= texelRoughness.g;\\n#endif\";\n\nvar roughnessmap_pars_fragment = \"#ifdef USE_ROUGHNESSMAP\\n\\tuniform sampler2D roughnessMap;\\n#endif\";\n\nvar shadowmap_pars_fragment = \"#if NUM_SPOT_LIGHT_COORDS > 0\\n\\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\\n#endif\\n#if NUM_SPOT_LIGHT_MAPS > 0\\n\\tuniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];\\n#endif\\n#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tstruct DirectionalLightShadow {\\n\\t\\t\\tfloat shadowIntensity;\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tstruct SpotLightShadow {\\n\\t\\t\\tfloat shadowIntensity;\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tstruct PointLightShadow {\\n\\t\\t\\tfloat shadowIntensity;\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t\\tfloat shadowCameraNear;\\n\\t\\t\\tfloat shadowCameraFar;\\n\\t\\t};\\n\\t\\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\\n\\t\\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\\n\\t}\\n\\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\\n\\t\\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\\n\\t}\\n\\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\\n\\t\\tfloat occlusion = 1.0;\\n\\t\\tvec2 distribution = texture2DDistribution( shadow, uv );\\n\\t\\tfloat hard_shadow = step( compare , distribution.x );\\n\\t\\tif (hard_shadow != 1.0 ) {\\n\\t\\t\\tfloat distance = compare - distribution.x ;\\n\\t\\t\\tfloat variance = max( 0.00000, distribution.y * distribution.y );\\n\\t\\t\\tfloat softness_probability = variance / (variance + distance * distance );\\t\\t\\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\\t\\t\\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\\n\\t\\t}\\n\\t\\treturn occlusion;\\n\\t}\\n\\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tfloat shadow = 1.0;\\n\\t\\tshadowCoord.xyz /= shadowCoord.w;\\n\\t\\tshadowCoord.z += shadowBias;\\n\\t\\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\\n\\t\\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\\n\\t\\tif ( frustumTest ) {\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx2 = dx0 / 2.0;\\n\\t\\t\\tfloat dy2 = dy0 / 2.0;\\n\\t\\t\\tfloat dx3 = dx1 / 2.0;\\n\\t\\t\\tfloat dy3 = dy1 / 2.0;\\n\\t\\t\\tshadow = (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 17.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx = texelSize.x;\\n\\t\\t\\tfloat dy = texelSize.y;\\n\\t\\t\\tvec2 uv = shadowCoord.xy;\\n\\t\\t\\tvec2 f = fract( uv * shadowMapSize + 0.5 );\\n\\t\\t\\tuv -= f * texelSize;\\n\\t\\t\\tshadow = (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.x ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.x ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.y ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.y ) +\\n\\t\\t\\t\\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t f.x ),\\n\\t\\t\\t\\t\\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t f.x ),\\n\\t\\t\\t\\t\\t f.y )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_VSM )\\n\\t\\t\\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#else\\n\\t\\t\\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#endif\\n\\t\\t}\\n\\t\\treturn mix( 1.0, shadow, shadowIntensity );\\n\\t}\\n\\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\\n\\t\\tvec3 absV = abs( v );\\n\\t\\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\\n\\t\\tabsV *= scaleToCube;\\n\\t\\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\\n\\t\\tvec2 planar = v.xy;\\n\\t\\tfloat almostATexel = 1.5 * texelSizeY;\\n\\t\\tfloat almostOne = 1.0 - almostATexel;\\n\\t\\tif ( absV.z >= almostOne ) {\\n\\t\\t\\tif ( v.z > 0.0 )\\n\\t\\t\\t\\tplanar.x = 4.0 - v.x;\\n\\t\\t} else if ( absV.x >= almostOne ) {\\n\\t\\t\\tfloat signX = sign( v.x );\\n\\t\\t\\tplanar.x = v.z * signX + 2.0 * signX;\\n\\t\\t} else if ( absV.y >= almostOne ) {\\n\\t\\t\\tfloat signY = sign( v.y );\\n\\t\\t\\tplanar.x = v.x + 2.0 * signY + 2.0;\\n\\t\\t\\tplanar.y = v.z * signY - 2.0;\\n\\t\\t}\\n\\t\\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\\n\\t}\\n\\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\\n\\t\\tfloat shadow = 1.0;\\n\\t\\tvec3 lightToPosition = shadowCoord.xyz;\\n\\t\\t\\n\\t\\tfloat lightToPositionLength = length( lightToPosition );\\n\\t\\tif ( lightToPositionLength - shadowCameraFar <= 0.0 && lightToPositionLength - shadowCameraNear >= 0.0 ) {\\n\\t\\t\\tfloat dp = ( lightToPositionLength - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\\t\\t\\tdp += shadowBias;\\n\\t\\t\\tvec3 bd3D = normalize( lightToPosition );\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\\n\\t\\t\\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\\n\\t\\t\\t\\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\\n\\t\\t\\t\\tshadow = (\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\\n\\t\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tshadow = texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\\n\\t\\t\\t#endif\\n\\t\\t}\\n\\t\\treturn mix( 1.0, shadow, shadowIntensity );\\n\\t}\\n#endif\";\n\nvar shadowmap_pars_vertex = \"#if NUM_SPOT_LIGHT_COORDS > 0\\n\\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\\n\\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\\n#endif\\n#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t\\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tstruct DirectionalLightShadow {\\n\\t\\t\\tfloat shadowIntensity;\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\t\\tstruct SpotLightShadow {\\n\\t\\t\\tfloat shadowIntensity;\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tstruct PointLightShadow {\\n\\t\\t\\tfloat shadowIntensity;\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t\\tfloat shadowCameraNear;\\n\\t\\t\\tfloat shadowCameraFar;\\n\\t\\t};\\n\\t\\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t#endif\\n#endif\";\n\nvar shadowmap_vertex = \"#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )\\n\\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\tvec4 shadowWorldPosition;\\n#endif\\n#if defined( USE_SHADOWMAP )\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\\n\\t\\t\\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\\n\\t\\t\\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\t\\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\\n\\t\\t\\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t#endif\\n#endif\\n#if NUM_SPOT_LIGHT_COORDS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {\\n\\t\\tshadowWorldPosition = worldPosition;\\n\\t\\t#if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\\n\\t\\t\\tshadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;\\n\\t\\t#endif\\n\\t\\tvSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\";\n\nvar shadowmask_pars_fragment = \"float getShadowMask() {\\n\\tfloat shadow = 1.0;\\n\\t#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\tDirectionalLightShadow directionalLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowIntensity, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\tSpotLightShadow spotLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tspotLight = spotLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowIntensity, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\tPointLightShadow pointLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tpointLight = pointLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowIntensity, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#endif\\n\\treturn shadow;\\n}\";\n\nvar skinbase_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\\n\\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\\n\\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\\n\\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\\n#endif\";\n\nvar skinning_pars_vertex = \"#ifdef USE_SKINNING\\n\\tuniform mat4 bindMatrix;\\n\\tuniform mat4 bindMatrixInverse;\\n\\tuniform highp sampler2D boneTexture;\\n\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\tint size = textureSize( boneTexture, 0 ).x;\\n\\t\\tint j = int( i ) * 4;\\n\\t\\tint x = j % size;\\n\\t\\tint y = j / size;\\n\\t\\tvec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 );\\n\\t\\tvec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 );\\n\\t\\tvec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 );\\n\\t\\tvec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 );\\n\\t\\treturn mat4( v1, v2, v3, v4 );\\n\\t}\\n#endif\";\n\nvar skinning_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\\n\\tvec4 skinned = vec4( 0.0 );\\n\\tskinned += boneMatX * skinVertex * skinWeight.x;\\n\\tskinned += boneMatY * skinVertex * skinWeight.y;\\n\\tskinned += boneMatZ * skinVertex * skinWeight.z;\\n\\tskinned += boneMatW * skinVertex * skinWeight.w;\\n\\ttransformed = ( bindMatrixInverse * skinned ).xyz;\\n#endif\";\n\nvar skinnormal_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 skinMatrix = mat4( 0.0 );\\n\\tskinMatrix += skinWeight.x * boneMatX;\\n\\tskinMatrix += skinWeight.y * boneMatY;\\n\\tskinMatrix += skinWeight.z * boneMatZ;\\n\\tskinMatrix += skinWeight.w * boneMatW;\\n\\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\\n\\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\\n\\t#ifdef USE_TANGENT\\n\\t\\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\\n\\t#endif\\n#endif\";\n\nvar specularmap_fragment = \"float specularStrength;\\n#ifdef USE_SPECULARMAP\\n\\tvec4 texelSpecular = texture2D( specularMap, vSpecularMapUv );\\n\\tspecularStrength = texelSpecular.r;\\n#else\\n\\tspecularStrength = 1.0;\\n#endif\";\n\nvar specularmap_pars_fragment = \"#ifdef USE_SPECULARMAP\\n\\tuniform sampler2D specularMap;\\n#endif\";\n\nvar tonemapping_fragment = \"#if defined( TONE_MAPPING )\\n\\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\\n#endif\";\n\nvar tonemapping_pars_fragment = \"#ifndef saturate\\n#define saturate( a ) clamp( a, 0.0, 1.0 )\\n#endif\\nuniform float toneMappingExposure;\\nvec3 LinearToneMapping( vec3 color ) {\\n\\treturn saturate( toneMappingExposure * color );\\n}\\nvec3 ReinhardToneMapping( vec3 color ) {\\n\\tcolor *= toneMappingExposure;\\n\\treturn saturate( color / ( vec3( 1.0 ) + color ) );\\n}\\nvec3 CineonToneMapping( vec3 color ) {\\n\\tcolor *= toneMappingExposure;\\n\\tcolor = max( vec3( 0.0 ), color - 0.004 );\\n\\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\\n}\\nvec3 RRTAndODTFit( vec3 v ) {\\n\\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\\n\\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\\n\\treturn a / b;\\n}\\nvec3 ACESFilmicToneMapping( vec3 color ) {\\n\\tconst mat3 ACESInputMat = mat3(\\n\\t\\tvec3( 0.59719, 0.07600, 0.02840 ),\\t\\tvec3( 0.35458, 0.90834, 0.13383 ),\\n\\t\\tvec3( 0.04823, 0.01566, 0.83777 )\\n\\t);\\n\\tconst mat3 ACESOutputMat = mat3(\\n\\t\\tvec3( 1.60475, -0.10208, -0.00327 ),\\t\\tvec3( -0.53108, 1.10813, -0.07276 ),\\n\\t\\tvec3( -0.07367, -0.00605, 1.07602 )\\n\\t);\\n\\tcolor *= toneMappingExposure / 0.6;\\n\\tcolor = ACESInputMat * color;\\n\\tcolor = RRTAndODTFit( color );\\n\\tcolor = ACESOutputMat * color;\\n\\treturn saturate( color );\\n}\\nconst mat3 LINEAR_REC2020_TO_LINEAR_SRGB = mat3(\\n\\tvec3( 1.6605, - 0.1246, - 0.0182 ),\\n\\tvec3( - 0.5876, 1.1329, - 0.1006 ),\\n\\tvec3( - 0.0728, - 0.0083, 1.1187 )\\n);\\nconst mat3 LINEAR_SRGB_TO_LINEAR_REC2020 = mat3(\\n\\tvec3( 0.6274, 0.0691, 0.0164 ),\\n\\tvec3( 0.3293, 0.9195, 0.0880 ),\\n\\tvec3( 0.0433, 0.0113, 0.8956 )\\n);\\nvec3 agxDefaultContrastApprox( vec3 x ) {\\n\\tvec3 x2 = x * x;\\n\\tvec3 x4 = x2 * x2;\\n\\treturn + 15.5 * x4 * x2\\n\\t\\t- 40.14 * x4 * x\\n\\t\\t+ 31.96 * x4\\n\\t\\t- 6.868 * x2 * x\\n\\t\\t+ 0.4298 * x2\\n\\t\\t+ 0.1191 * x\\n\\t\\t- 0.00232;\\n}\\nvec3 AgXToneMapping( vec3 color ) {\\n\\tconst mat3 AgXInsetMatrix = mat3(\\n\\t\\tvec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ),\\n\\t\\tvec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ),\\n\\t\\tvec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 )\\n\\t);\\n\\tconst mat3 AgXOutsetMatrix = mat3(\\n\\t\\tvec3( 1.1271005818144368, - 0.1413297634984383, - 0.14132976349843826 ),\\n\\t\\tvec3( - 0.11060664309660323, 1.157823702216272, - 0.11060664309660294 ),\\n\\t\\tvec3( - 0.016493938717834573, - 0.016493938717834257, 1.2519364065950405 )\\n\\t);\\n\\tconst float AgxMinEv = - 12.47393;\\tconst float AgxMaxEv = 4.026069;\\n\\tcolor *= toneMappingExposure;\\n\\tcolor = LINEAR_SRGB_TO_LINEAR_REC2020 * color;\\n\\tcolor = AgXInsetMatrix * color;\\n\\tcolor = max( color, 1e-10 );\\tcolor = log2( color );\\n\\tcolor = ( color - AgxMinEv ) / ( AgxMaxEv - AgxMinEv );\\n\\tcolor = clamp( color, 0.0, 1.0 );\\n\\tcolor = agxDefaultContrastApprox( color );\\n\\tcolor = AgXOutsetMatrix * color;\\n\\tcolor = pow( max( vec3( 0.0 ), color ), vec3( 2.2 ) );\\n\\tcolor = LINEAR_REC2020_TO_LINEAR_SRGB * color;\\n\\tcolor = clamp( color, 0.0, 1.0 );\\n\\treturn color;\\n}\\nvec3 NeutralToneMapping( vec3 color ) {\\n\\tconst float StartCompression = 0.8 - 0.04;\\n\\tconst float Desaturation = 0.15;\\n\\tcolor *= toneMappingExposure;\\n\\tfloat x = min( color.r, min( color.g, color.b ) );\\n\\tfloat offset = x < 0.08 ? x - 6.25 * x * x : 0.04;\\n\\tcolor -= offset;\\n\\tfloat peak = max( color.r, max( color.g, color.b ) );\\n\\tif ( peak < StartCompression ) return color;\\n\\tfloat d = 1. - StartCompression;\\n\\tfloat newPeak = 1. - d * d / ( peak + d - StartCompression );\\n\\tcolor *= newPeak / peak;\\n\\tfloat g = 1. - 1. / ( Desaturation * ( peak - newPeak ) + 1. );\\n\\treturn mix( color, vec3( newPeak ), g );\\n}\\nvec3 CustomToneMapping( vec3 color ) { return color; }\";\n\nvar transmission_fragment = \"#ifdef USE_TRANSMISSION\\n\\tmaterial.transmission = transmission;\\n\\tmaterial.transmissionAlpha = 1.0;\\n\\tmaterial.thickness = thickness;\\n\\tmaterial.attenuationDistance = attenuationDistance;\\n\\tmaterial.attenuationColor = attenuationColor;\\n\\t#ifdef USE_TRANSMISSIONMAP\\n\\t\\tmaterial.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r;\\n\\t#endif\\n\\t#ifdef USE_THICKNESSMAP\\n\\t\\tmaterial.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g;\\n\\t#endif\\n\\tvec3 pos = vWorldPosition;\\n\\tvec3 v = normalize( cameraPosition - pos );\\n\\tvec3 n = inverseTransformDirection( normal, viewMatrix );\\n\\tvec4 transmitted = getIBLVolumeRefraction(\\n\\t\\tn, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90,\\n\\t\\tpos, modelMatrix, viewMatrix, projectionMatrix, material.dispersion, material.ior, material.thickness,\\n\\t\\tmaterial.attenuationColor, material.attenuationDistance );\\n\\tmaterial.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission );\\n\\ttotalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission );\\n#endif\";\n\nvar transmission_pars_fragment = \"#ifdef USE_TRANSMISSION\\n\\tuniform float transmission;\\n\\tuniform float thickness;\\n\\tuniform float attenuationDistance;\\n\\tuniform vec3 attenuationColor;\\n\\t#ifdef USE_TRANSMISSIONMAP\\n\\t\\tuniform sampler2D transmissionMap;\\n\\t#endif\\n\\t#ifdef USE_THICKNESSMAP\\n\\t\\tuniform sampler2D thicknessMap;\\n\\t#endif\\n\\tuniform vec2 transmissionSamplerSize;\\n\\tuniform sampler2D transmissionSamplerMap;\\n\\tuniform mat4 modelMatrix;\\n\\tuniform mat4 projectionMatrix;\\n\\tvarying vec3 vWorldPosition;\\n\\tfloat w0( float a ) {\\n\\t\\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 );\\n\\t}\\n\\tfloat w1( float a ) {\\n\\t\\treturn ( 1.0 / 6.0 ) * ( a * a * ( 3.0 * a - 6.0 ) + 4.0 );\\n\\t}\\n\\tfloat w2( float a ){\\n\\t\\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 );\\n\\t}\\n\\tfloat w3( float a ) {\\n\\t\\treturn ( 1.0 / 6.0 ) * ( a * a * a );\\n\\t}\\n\\tfloat g0( float a ) {\\n\\t\\treturn w0( a ) + w1( a );\\n\\t}\\n\\tfloat g1( float a ) {\\n\\t\\treturn w2( a ) + w3( a );\\n\\t}\\n\\tfloat h0( float a ) {\\n\\t\\treturn - 1.0 + w1( a ) / ( w0( a ) + w1( a ) );\\n\\t}\\n\\tfloat h1( float a ) {\\n\\t\\treturn 1.0 + w3( a ) / ( w2( a ) + w3( a ) );\\n\\t}\\n\\tvec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) {\\n\\t\\tuv = uv * texelSize.zw + 0.5;\\n\\t\\tvec2 iuv = floor( uv );\\n\\t\\tvec2 fuv = fract( uv );\\n\\t\\tfloat g0x = g0( fuv.x );\\n\\t\\tfloat g1x = g1( fuv.x );\\n\\t\\tfloat h0x = h0( fuv.x );\\n\\t\\tfloat h1x = h1( fuv.x );\\n\\t\\tfloat h0y = h0( fuv.y );\\n\\t\\tfloat h1y = h1( fuv.y );\\n\\t\\tvec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\\n\\t\\tvec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\\n\\t\\tvec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\\n\\t\\tvec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\\n\\t\\treturn g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) +\\n\\t\\t\\tg1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) );\\n\\t}\\n\\tvec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) {\\n\\t\\tvec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) );\\n\\t\\tvec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) );\\n\\t\\tvec2 fLodSizeInv = 1.0 / fLodSize;\\n\\t\\tvec2 cLodSizeInv = 1.0 / cLodSize;\\n\\t\\tvec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) );\\n\\t\\tvec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) );\\n\\t\\treturn mix( fSample, cSample, fract( lod ) );\\n\\t}\\n\\tvec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\\n\\t\\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\\n\\t\\tvec3 modelScale;\\n\\t\\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\\n\\t\\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\\n\\t\\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\\n\\t\\treturn normalize( refractionVector ) * thickness * modelScale;\\n\\t}\\n\\tfloat applyIorToRoughness( const in float roughness, const in float ior ) {\\n\\t\\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\\n\\t}\\n\\tvec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\\n\\t\\tfloat lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\\n\\t\\treturn textureBicubic( transmissionSamplerMap, fragCoord.xy, lod );\\n\\t}\\n\\tvec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\\n\\t\\tif ( isinf( attenuationDistance ) ) {\\n\\t\\t\\treturn vec3( 1.0 );\\n\\t\\t} else {\\n\\t\\t\\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\\n\\t\\t\\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\\t\\t\\treturn transmittance;\\n\\t\\t}\\n\\t}\\n\\tvec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\\n\\t\\tconst in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\\n\\t\\tconst in mat4 viewMatrix, const in mat4 projMatrix, const in float dispersion, const in float ior, const in float thickness,\\n\\t\\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\\n\\t\\tvec4 transmittedLight;\\n\\t\\tvec3 transmittance;\\n\\t\\t#ifdef USE_DISPERSION\\n\\t\\t\\tfloat halfSpread = ( ior - 1.0 ) * 0.025 * dispersion;\\n\\t\\t\\tvec3 iors = vec3( ior - halfSpread, ior, ior + halfSpread );\\n\\t\\t\\tfor ( int i = 0; i < 3; i ++ ) {\\n\\t\\t\\t\\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, iors[ i ], modelMatrix );\\n\\t\\t\\t\\tvec3 refractedRayExit = position + transmissionRay;\\n\\t\\t\\t\\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\\n\\t\\t\\t\\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\\n\\t\\t\\t\\trefractionCoords += 1.0;\\n\\t\\t\\t\\trefractionCoords /= 2.0;\\n\\t\\t\\t\\tvec4 transmissionSample = getTransmissionSample( refractionCoords, roughness, iors[ i ] );\\n\\t\\t\\t\\ttransmittedLight[ i ] = transmissionSample[ i ];\\n\\t\\t\\t\\ttransmittedLight.a += transmissionSample.a;\\n\\t\\t\\t\\ttransmittance[ i ] = diffuseColor[ i ] * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance )[ i ];\\n\\t\\t\\t}\\n\\t\\t\\ttransmittedLight.a /= 3.0;\\n\\t\\t#else\\n\\t\\t\\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\\n\\t\\t\\tvec3 refractedRayExit = position + transmissionRay;\\n\\t\\t\\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\\n\\t\\t\\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\\n\\t\\t\\trefractionCoords += 1.0;\\n\\t\\t\\trefractionCoords /= 2.0;\\n\\t\\t\\ttransmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\\n\\t\\t\\ttransmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );\\n\\t\\t#endif\\n\\t\\tvec3 attenuatedColor = transmittance * transmittedLight.rgb;\\n\\t\\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\\n\\t\\tfloat transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0;\\n\\t\\treturn vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor );\\n\\t}\\n#endif\";\n\nvar uv_pars_fragment = \"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\\n\\tvarying vec2 vUv;\\n#endif\\n#ifdef USE_MAP\\n\\tvarying vec2 vMapUv;\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tvarying vec2 vAlphaMapUv;\\n#endif\\n#ifdef USE_LIGHTMAP\\n\\tvarying vec2 vLightMapUv;\\n#endif\\n#ifdef USE_AOMAP\\n\\tvarying vec2 vAoMapUv;\\n#endif\\n#ifdef USE_BUMPMAP\\n\\tvarying vec2 vBumpMapUv;\\n#endif\\n#ifdef USE_NORMALMAP\\n\\tvarying vec2 vNormalMapUv;\\n#endif\\n#ifdef USE_EMISSIVEMAP\\n\\tvarying vec2 vEmissiveMapUv;\\n#endif\\n#ifdef USE_METALNESSMAP\\n\\tvarying vec2 vMetalnessMapUv;\\n#endif\\n#ifdef USE_ROUGHNESSMAP\\n\\tvarying vec2 vRoughnessMapUv;\\n#endif\\n#ifdef USE_ANISOTROPYMAP\\n\\tvarying vec2 vAnisotropyMapUv;\\n#endif\\n#ifdef USE_CLEARCOATMAP\\n\\tvarying vec2 vClearcoatMapUv;\\n#endif\\n#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tvarying vec2 vClearcoatNormalMapUv;\\n#endif\\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\tvarying vec2 vClearcoatRoughnessMapUv;\\n#endif\\n#ifdef USE_IRIDESCENCEMAP\\n\\tvarying vec2 vIridescenceMapUv;\\n#endif\\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\\n\\tvarying vec2 vIridescenceThicknessMapUv;\\n#endif\\n#ifdef USE_SHEEN_COLORMAP\\n\\tvarying vec2 vSheenColorMapUv;\\n#endif\\n#ifdef USE_SHEEN_ROUGHNESSMAP\\n\\tvarying vec2 vSheenRoughnessMapUv;\\n#endif\\n#ifdef USE_SPECULARMAP\\n\\tvarying vec2 vSpecularMapUv;\\n#endif\\n#ifdef USE_SPECULAR_COLORMAP\\n\\tvarying vec2 vSpecularColorMapUv;\\n#endif\\n#ifdef USE_SPECULAR_INTENSITYMAP\\n\\tvarying vec2 vSpecularIntensityMapUv;\\n#endif\\n#ifdef USE_TRANSMISSIONMAP\\n\\tuniform mat3 transmissionMapTransform;\\n\\tvarying vec2 vTransmissionMapUv;\\n#endif\\n#ifdef USE_THICKNESSMAP\\n\\tuniform mat3 thicknessMapTransform;\\n\\tvarying vec2 vThicknessMapUv;\\n#endif\";\n\nvar uv_pars_vertex = \"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\\n\\tvarying vec2 vUv;\\n#endif\\n#ifdef USE_MAP\\n\\tuniform mat3 mapTransform;\\n\\tvarying vec2 vMapUv;\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tuniform mat3 alphaMapTransform;\\n\\tvarying vec2 vAlphaMapUv;\\n#endif\\n#ifdef USE_LIGHTMAP\\n\\tuniform mat3 lightMapTransform;\\n\\tvarying vec2 vLightMapUv;\\n#endif\\n#ifdef USE_AOMAP\\n\\tuniform mat3 aoMapTransform;\\n\\tvarying vec2 vAoMapUv;\\n#endif\\n#ifdef USE_BUMPMAP\\n\\tuniform mat3 bumpMapTransform;\\n\\tvarying vec2 vBumpMapUv;\\n#endif\\n#ifdef USE_NORMALMAP\\n\\tuniform mat3 normalMapTransform;\\n\\tvarying vec2 vNormalMapUv;\\n#endif\\n#ifdef USE_DISPLACEMENTMAP\\n\\tuniform mat3 displacementMapTransform;\\n\\tvarying vec2 vDisplacementMapUv;\\n#endif\\n#ifdef USE_EMISSIVEMAP\\n\\tuniform mat3 emissiveMapTransform;\\n\\tvarying vec2 vEmissiveMapUv;\\n#endif\\n#ifdef USE_METALNESSMAP\\n\\tuniform mat3 metalnessMapTransform;\\n\\tvarying vec2 vMetalnessMapUv;\\n#endif\\n#ifdef USE_ROUGHNESSMAP\\n\\tuniform mat3 roughnessMapTransform;\\n\\tvarying vec2 vRoughnessMapUv;\\n#endif\\n#ifdef USE_ANISOTROPYMAP\\n\\tuniform mat3 anisotropyMapTransform;\\n\\tvarying vec2 vAnisotropyMapUv;\\n#endif\\n#ifdef USE_CLEARCOATMAP\\n\\tuniform mat3 clearcoatMapTransform;\\n\\tvarying vec2 vClearcoatMapUv;\\n#endif\\n#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tuniform mat3 clearcoatNormalMapTransform;\\n\\tvarying vec2 vClearcoatNormalMapUv;\\n#endif\\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\tuniform mat3 clearcoatRoughnessMapTransform;\\n\\tvarying vec2 vClearcoatRoughnessMapUv;\\n#endif\\n#ifdef USE_SHEEN_COLORMAP\\n\\tuniform mat3 sheenColorMapTransform;\\n\\tvarying vec2 vSheenColorMapUv;\\n#endif\\n#ifdef USE_SHEEN_ROUGHNESSMAP\\n\\tuniform mat3 sheenRoughnessMapTransform;\\n\\tvarying vec2 vSheenRoughnessMapUv;\\n#endif\\n#ifdef USE_IRIDESCENCEMAP\\n\\tuniform mat3 iridescenceMapTransform;\\n\\tvarying vec2 vIridescenceMapUv;\\n#endif\\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\\n\\tuniform mat3 iridescenceThicknessMapTransform;\\n\\tvarying vec2 vIridescenceThicknessMapUv;\\n#endif\\n#ifdef USE_SPECULARMAP\\n\\tuniform mat3 specularMapTransform;\\n\\tvarying vec2 vSpecularMapUv;\\n#endif\\n#ifdef USE_SPECULAR_COLORMAP\\n\\tuniform mat3 specularColorMapTransform;\\n\\tvarying vec2 vSpecularColorMapUv;\\n#endif\\n#ifdef USE_SPECULAR_INTENSITYMAP\\n\\tuniform mat3 specularIntensityMapTransform;\\n\\tvarying vec2 vSpecularIntensityMapUv;\\n#endif\\n#ifdef USE_TRANSMISSIONMAP\\n\\tuniform mat3 transmissionMapTransform;\\n\\tvarying vec2 vTransmissionMapUv;\\n#endif\\n#ifdef USE_THICKNESSMAP\\n\\tuniform mat3 thicknessMapTransform;\\n\\tvarying vec2 vThicknessMapUv;\\n#endif\";\n\nvar uv_vertex = \"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\\n\\tvUv = vec3( uv, 1 ).xy;\\n#endif\\n#ifdef USE_MAP\\n\\tvMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tvAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_LIGHTMAP\\n\\tvLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_AOMAP\\n\\tvAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_BUMPMAP\\n\\tvBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_NORMALMAP\\n\\tvNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_DISPLACEMENTMAP\\n\\tvDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_EMISSIVEMAP\\n\\tvEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_METALNESSMAP\\n\\tvMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_ROUGHNESSMAP\\n\\tvRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_ANISOTROPYMAP\\n\\tvAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_CLEARCOATMAP\\n\\tvClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tvClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\tvClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_IRIDESCENCEMAP\\n\\tvIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\\n\\tvIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_SHEEN_COLORMAP\\n\\tvSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_SHEEN_ROUGHNESSMAP\\n\\tvSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_SPECULARMAP\\n\\tvSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_SPECULAR_COLORMAP\\n\\tvSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_SPECULAR_INTENSITYMAP\\n\\tvSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_TRANSMISSIONMAP\\n\\tvTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_THICKNESSMAP\\n\\tvThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy;\\n#endif\";\n\nvar worldpos_vertex = \"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0\\n\\tvec4 worldPosition = vec4( transformed, 1.0 );\\n\\t#ifdef USE_BATCHING\\n\\t\\tworldPosition = batchingMatrix * worldPosition;\\n\\t#endif\\n\\t#ifdef USE_INSTANCING\\n\\t\\tworldPosition = instanceMatrix * worldPosition;\\n\\t#endif\\n\\tworldPosition = modelMatrix * worldPosition;\\n#endif\";\n\nconst vertex$h = \"varying vec2 vUv;\\nuniform mat3 uvTransform;\\nvoid main() {\\n\\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\\n\\tgl_Position = vec4( position.xy, 1.0, 1.0 );\\n}\";\n\nconst fragment$h = \"uniform sampler2D t2D;\\nuniform float backgroundIntensity;\\nvarying vec2 vUv;\\nvoid main() {\\n\\tvec4 texColor = texture2D( t2D, vUv );\\n\\t#ifdef DECODE_VIDEO_TEXTURE\\n\\t\\ttexColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w );\\n\\t#endif\\n\\ttexColor.rgb *= backgroundIntensity;\\n\\tgl_FragColor = texColor;\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$g = \"varying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvWorldDirection = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n\\tgl_Position.z = gl_Position.w;\\n}\";\n\nconst fragment$g = \"#ifdef ENVMAP_TYPE_CUBE\\n\\tuniform samplerCube envMap;\\n#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\tuniform sampler2D envMap;\\n#endif\\nuniform float flipEnvMap;\\nuniform float backgroundBlurriness;\\nuniform float backgroundIntensity;\\nuniform mat3 backgroundRotation;\\nvarying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tvec4 texColor = textureCube( envMap, backgroundRotation * vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) );\\n\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\tvec4 texColor = textureCubeUV( envMap, backgroundRotation * vWorldDirection, backgroundBlurriness );\\n\\t#else\\n\\t\\tvec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );\\n\\t#endif\\n\\ttexColor.rgb *= backgroundIntensity;\\n\\tgl_FragColor = texColor;\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$f = \"varying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvWorldDirection = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n\\tgl_Position.z = gl_Position.w;\\n}\";\n\nconst fragment$f = \"uniform samplerCube tCube;\\nuniform float tFlip;\\nuniform float opacity;\\nvarying vec3 vWorldDirection;\\nvoid main() {\\n\\tvec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );\\n\\tgl_FragColor = texColor;\\n\\tgl_FragColor.a *= opacity;\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$e = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvarying vec2 vHighPrecisionZW;\\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef USE_DISPLACEMENTMAP\\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvHighPrecisionZW = gl_Position.zw;\\n}\";\n\nconst fragment$e = \"#if DEPTH_PACKING == 3200\\n\\tuniform float opacity;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvarying vec2 vHighPrecisionZW;\\nvoid main() {\\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#include \\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tdiffuseColor.a = opacity;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\\n\\t#elif DEPTH_PACKING == 3201\\n\\t\\tgl_FragColor = packDepthToRGBA( fragCoordZ );\\n\\t#elif DEPTH_PACKING == 3202\\n\\t\\tgl_FragColor = vec4( packDepthToRGB( fragCoordZ ), 1.0 );\\n\\t#elif DEPTH_PACKING == 3203\\n\\t\\tgl_FragColor = vec4( packDepthToRG( fragCoordZ ), 0.0, 1.0 );\\n\\t#endif\\n}\";\n\nconst vertex$d = \"#define DISTANCE\\nvarying vec3 vWorldPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef USE_DISPLACEMENTMAP\\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvWorldPosition = worldPosition.xyz;\\n}\";\n\nconst fragment$d = \"#define DISTANCE\\nuniform vec3 referencePosition;\\nuniform float nearDistance;\\nuniform float farDistance;\\nvarying vec3 vWorldPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main () {\\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tfloat dist = length( vWorldPosition - referencePosition );\\n\\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\\n\\tdist = saturate( dist );\\n\\tgl_FragColor = packDepthToRGBA( dist );\\n}\";\n\nconst vertex$c = \"varying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvWorldDirection = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$c = \"uniform sampler2D tEquirect;\\nvarying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvec3 direction = normalize( vWorldDirection );\\n\\tvec2 sampleUV = equirectUv( direction );\\n\\tgl_FragColor = texture2D( tEquirect, sampleUV );\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$b = \"uniform float scale;\\nattribute float lineDistance;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvLineDistance = scale * lineDistance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$b = \"uniform vec3 diffuse;\\nuniform float opacity;\\nuniform float dashSize;\\nuniform float totalSize;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\\n\\t\\tdiscard;\\n\\t}\\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$a = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$a = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\\n\\t\\treflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\\n\\t#else\\n\\t\\treflectedLight.indirectDiffuse += vec3( 1.0 );\\n\\t#endif\\n\\t#include \\n\\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\\n\\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$9 = \"#define LAMBERT\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$9 = \"#define LAMBERT\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$8 = \"#define MATCAP\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n}\";\n\nconst fragment$8 = \"#define MATCAP\\nuniform vec3 diffuse;\\nuniform float opacity;\\nuniform sampler2D matcap;\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 viewDir = normalize( vViewPosition );\\n\\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\\n\\tvec3 y = cross( viewDir, x );\\n\\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\\n\\t#ifdef USE_MATCAP\\n\\t\\tvec4 matcapColor = texture2D( matcap, uv );\\n\\t#else\\n\\t\\tvec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\\n\\t#endif\\n\\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$7 = \"#define NORMAL\\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\\n\\tvViewPosition = - mvPosition.xyz;\\n#endif\\n}\";\n\nconst fragment$7 = \"#define NORMAL\\nuniform float opacity;\\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( 0.0, 0.0, 0.0, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tgl_FragColor = vec4( packNormalToRGB( normal ), diffuseColor.a );\\n\\t#ifdef OPAQUE\\n\\t\\tgl_FragColor.a = 1.0;\\n\\t#endif\\n}\";\n\nconst vertex$6 = \"#define PHONG\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$6 = \"#define PHONG\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform vec3 specular;\\nuniform float shininess;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$5 = \"#define STANDARD\\nvarying vec3 vViewPosition;\\n#ifdef USE_TRANSMISSION\\n\\tvarying vec3 vWorldPosition;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n#ifdef USE_TRANSMISSION\\n\\tvWorldPosition = worldPosition.xyz;\\n#endif\\n}\";\n\nconst fragment$5 = \"#define STANDARD\\n#ifdef PHYSICAL\\n\\t#define IOR\\n\\t#define USE_SPECULAR\\n#endif\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float roughness;\\nuniform float metalness;\\nuniform float opacity;\\n#ifdef IOR\\n\\tuniform float ior;\\n#endif\\n#ifdef USE_SPECULAR\\n\\tuniform float specularIntensity;\\n\\tuniform vec3 specularColor;\\n\\t#ifdef USE_SPECULAR_COLORMAP\\n\\t\\tuniform sampler2D specularColorMap;\\n\\t#endif\\n\\t#ifdef USE_SPECULAR_INTENSITYMAP\\n\\t\\tuniform sampler2D specularIntensityMap;\\n\\t#endif\\n#endif\\n#ifdef USE_CLEARCOAT\\n\\tuniform float clearcoat;\\n\\tuniform float clearcoatRoughness;\\n#endif\\n#ifdef USE_DISPERSION\\n\\tuniform float dispersion;\\n#endif\\n#ifdef USE_IRIDESCENCE\\n\\tuniform float iridescence;\\n\\tuniform float iridescenceIOR;\\n\\tuniform float iridescenceThicknessMinimum;\\n\\tuniform float iridescenceThicknessMaximum;\\n#endif\\n#ifdef USE_SHEEN\\n\\tuniform vec3 sheenColor;\\n\\tuniform float sheenRoughness;\\n\\t#ifdef USE_SHEEN_COLORMAP\\n\\t\\tuniform sampler2D sheenColorMap;\\n\\t#endif\\n\\t#ifdef USE_SHEEN_ROUGHNESSMAP\\n\\t\\tuniform sampler2D sheenRoughnessMap;\\n\\t#endif\\n#endif\\n#ifdef USE_ANISOTROPY\\n\\tuniform vec2 anisotropyVector;\\n\\t#ifdef USE_ANISOTROPYMAP\\n\\t\\tuniform sampler2D anisotropyMap;\\n\\t#endif\\n#endif\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\\n\\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\\n\\t#include \\n\\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\\n\\t#ifdef USE_SHEEN\\n\\t\\tfloat sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor );\\n\\t\\toutgoingLight = outgoingLight * sheenEnergyComp + sheenSpecularDirect + sheenSpecularIndirect;\\n\\t#endif\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat dotNVcc = saturate( dot( geometryClearcoatNormal, geometryViewDir ) );\\n\\t\\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\\n\\t\\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + ( clearcoatSpecularDirect + clearcoatSpecularIndirect ) * material.clearcoat;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$4 = \"#define TOON\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$4 = \"#define TOON\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$3 = \"uniform float size;\\nuniform float scale;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#ifdef USE_POINTS_UV\\n\\tvarying vec2 vUv;\\n\\tuniform mat3 uvTransform;\\n#endif\\nvoid main() {\\n\\t#ifdef USE_POINTS_UV\\n\\t\\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tgl_PointSize = size;\\n\\t#ifdef USE_SIZEATTENUATION\\n\\t\\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\\n\\t\\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$3 = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$2 = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$2 = \"uniform vec3 color;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$1 = \"uniform float rotation;\\nuniform vec2 center;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 mvPosition = modelViewMatrix[ 3 ];\\n\\tvec2 scale = vec2( length( modelMatrix[ 0 ].xyz ), length( modelMatrix[ 1 ].xyz ) );\\n\\t#ifndef USE_SIZEATTENUATION\\n\\t\\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\\n\\t\\tif ( isPerspective ) scale *= - mvPosition.z;\\n\\t#endif\\n\\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\\n\\tvec2 rotatedPosition;\\n\\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\\n\\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\\n\\tmvPosition.xy += rotatedPosition;\\n\\tgl_Position = projectionMatrix * mvPosition;\\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$1 = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst ShaderChunk = {\n\talphahash_fragment: alphahash_fragment,\n\talphahash_pars_fragment: alphahash_pars_fragment,\n\talphamap_fragment: alphamap_fragment,\n\talphamap_pars_fragment: alphamap_pars_fragment,\n\talphatest_fragment: alphatest_fragment,\n\talphatest_pars_fragment: alphatest_pars_fragment,\n\taomap_fragment: aomap_fragment,\n\taomap_pars_fragment: aomap_pars_fragment,\n\tbatching_pars_vertex: batching_pars_vertex,\n\tbatching_vertex: batching_vertex,\n\tbegin_vertex: begin_vertex,\n\tbeginnormal_vertex: beginnormal_vertex,\n\tbsdfs: bsdfs,\n\tiridescence_fragment: iridescence_fragment,\n\tbumpmap_pars_fragment: bumpmap_pars_fragment,\n\tclipping_planes_fragment: clipping_planes_fragment,\n\tclipping_planes_pars_fragment: clipping_planes_pars_fragment,\n\tclipping_planes_pars_vertex: clipping_planes_pars_vertex,\n\tclipping_planes_vertex: clipping_planes_vertex,\n\tcolor_fragment: color_fragment,\n\tcolor_pars_fragment: color_pars_fragment,\n\tcolor_pars_vertex: color_pars_vertex,\n\tcolor_vertex: color_vertex,\n\tcommon: common,\n\tcube_uv_reflection_fragment: cube_uv_reflection_fragment,\n\tdefaultnormal_vertex: defaultnormal_vertex,\n\tdisplacementmap_pars_vertex: displacementmap_pars_vertex,\n\tdisplacementmap_vertex: displacementmap_vertex,\n\temissivemap_fragment: emissivemap_fragment,\n\temissivemap_pars_fragment: emissivemap_pars_fragment,\n\tcolorspace_fragment: colorspace_fragment,\n\tcolorspace_pars_fragment: colorspace_pars_fragment,\n\tenvmap_fragment: envmap_fragment,\n\tenvmap_common_pars_fragment: envmap_common_pars_fragment,\n\tenvmap_pars_fragment: envmap_pars_fragment,\n\tenvmap_pars_vertex: envmap_pars_vertex,\n\tenvmap_physical_pars_fragment: envmap_physical_pars_fragment,\n\tenvmap_vertex: envmap_vertex,\n\tfog_vertex: fog_vertex,\n\tfog_pars_vertex: fog_pars_vertex,\n\tfog_fragment: fog_fragment,\n\tfog_pars_fragment: fog_pars_fragment,\n\tgradientmap_pars_fragment: gradientmap_pars_fragment,\n\tlightmap_pars_fragment: lightmap_pars_fragment,\n\tlights_lambert_fragment: lights_lambert_fragment,\n\tlights_lambert_pars_fragment: lights_lambert_pars_fragment,\n\tlights_pars_begin: lights_pars_begin,\n\tlights_toon_fragment: lights_toon_fragment,\n\tlights_toon_pars_fragment: lights_toon_pars_fragment,\n\tlights_phong_fragment: lights_phong_fragment,\n\tlights_phong_pars_fragment: lights_phong_pars_fragment,\n\tlights_physical_fragment: lights_physical_fragment,\n\tlights_physical_pars_fragment: lights_physical_pars_fragment,\n\tlights_fragment_begin: lights_fragment_begin,\n\tlights_fragment_maps: lights_fragment_maps,\n\tlights_fragment_end: lights_fragment_end,\n\tlogdepthbuf_fragment: logdepthbuf_fragment,\n\tlogdepthbuf_pars_fragment: logdepthbuf_pars_fragment,\n\tlogdepthbuf_pars_vertex: logdepthbuf_pars_vertex,\n\tlogdepthbuf_vertex: logdepthbuf_vertex,\n\tmap_fragment: map_fragment,\n\tmap_pars_fragment: map_pars_fragment,\n\tmap_particle_fragment: map_particle_fragment,\n\tmap_particle_pars_fragment: map_particle_pars_fragment,\n\tmetalnessmap_fragment: metalnessmap_fragment,\n\tmetalnessmap_pars_fragment: metalnessmap_pars_fragment,\n\tmorphinstance_vertex: morphinstance_vertex,\n\tmorphcolor_vertex: morphcolor_vertex,\n\tmorphnormal_vertex: morphnormal_vertex,\n\tmorphtarget_pars_vertex: morphtarget_pars_vertex,\n\tmorphtarget_vertex: morphtarget_vertex,\n\tnormal_fragment_begin: normal_fragment_begin,\n\tnormal_fragment_maps: normal_fragment_maps,\n\tnormal_pars_fragment: normal_pars_fragment,\n\tnormal_pars_vertex: normal_pars_vertex,\n\tnormal_vertex: normal_vertex,\n\tnormalmap_pars_fragment: normalmap_pars_fragment,\n\tclearcoat_normal_fragment_begin: clearcoat_normal_fragment_begin,\n\tclearcoat_normal_fragment_maps: clearcoat_normal_fragment_maps,\n\tclearcoat_pars_fragment: clearcoat_pars_fragment,\n\tiridescence_pars_fragment: iridescence_pars_fragment,\n\topaque_fragment: opaque_fragment,\n\tpacking: packing,\n\tpremultiplied_alpha_fragment: premultiplied_alpha_fragment,\n\tproject_vertex: project_vertex,\n\tdithering_fragment: dithering_fragment,\n\tdithering_pars_fragment: dithering_pars_fragment,\n\troughnessmap_fragment: roughnessmap_fragment,\n\troughnessmap_pars_fragment: roughnessmap_pars_fragment,\n\tshadowmap_pars_fragment: shadowmap_pars_fragment,\n\tshadowmap_pars_vertex: shadowmap_pars_vertex,\n\tshadowmap_vertex: shadowmap_vertex,\n\tshadowmask_pars_fragment: shadowmask_pars_fragment,\n\tskinbase_vertex: skinbase_vertex,\n\tskinning_pars_vertex: skinning_pars_vertex,\n\tskinning_vertex: skinning_vertex,\n\tskinnormal_vertex: skinnormal_vertex,\n\tspecularmap_fragment: specularmap_fragment,\n\tspecularmap_pars_fragment: specularmap_pars_fragment,\n\ttonemapping_fragment: tonemapping_fragment,\n\ttonemapping_pars_fragment: tonemapping_pars_fragment,\n\ttransmission_fragment: transmission_fragment,\n\ttransmission_pars_fragment: transmission_pars_fragment,\n\tuv_pars_fragment: uv_pars_fragment,\n\tuv_pars_vertex: uv_pars_vertex,\n\tuv_vertex: uv_vertex,\n\tworldpos_vertex: worldpos_vertex,\n\n\tbackground_vert: vertex$h,\n\tbackground_frag: fragment$h,\n\tbackgroundCube_vert: vertex$g,\n\tbackgroundCube_frag: fragment$g,\n\tcube_vert: vertex$f,\n\tcube_frag: fragment$f,\n\tdepth_vert: vertex$e,\n\tdepth_frag: fragment$e,\n\tdistanceRGBA_vert: vertex$d,\n\tdistanceRGBA_frag: fragment$d,\n\tequirect_vert: vertex$c,\n\tequirect_frag: fragment$c,\n\tlinedashed_vert: vertex$b,\n\tlinedashed_frag: fragment$b,\n\tmeshbasic_vert: vertex$a,\n\tmeshbasic_frag: fragment$a,\n\tmeshlambert_vert: vertex$9,\n\tmeshlambert_frag: fragment$9,\n\tmeshmatcap_vert: vertex$8,\n\tmeshmatcap_frag: fragment$8,\n\tmeshnormal_vert: vertex$7,\n\tmeshnormal_frag: fragment$7,\n\tmeshphong_vert: vertex$6,\n\tmeshphong_frag: fragment$6,\n\tmeshphysical_vert: vertex$5,\n\tmeshphysical_frag: fragment$5,\n\tmeshtoon_vert: vertex$4,\n\tmeshtoon_frag: fragment$4,\n\tpoints_vert: vertex$3,\n\tpoints_frag: fragment$3,\n\tshadow_vert: vertex$2,\n\tshadow_frag: fragment$2,\n\tsprite_vert: vertex$1,\n\tsprite_frag: fragment$1\n};\n\n/**\n * Uniforms library for shared webgl shaders\n */\n\nconst UniformsLib = {\n\n\tcommon: {\n\n\t\tdiffuse: { value: /*@__PURE__*/ new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\n\t\tmap: { value: null },\n\t\tmapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\n\t\talphaMap: { value: null },\n\t\talphaMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\n\t\talphaTest: { value: 0 }\n\n\t},\n\n\tspecularmap: {\n\n\t\tspecularMap: { value: null },\n\t\tspecularMapTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\tenvmap: {\n\n\t\tenvMap: { value: null },\n\t\tenvMapRotation: { value: /*@__PURE__*/ new Matrix3() },\n\t\tflipEnvMap: { value: - 1 },\n\t\treflectivity: { value: 1.0 }, // basic, lambert, phong\n\t\tior: { value: 1.5 }, // physical\n\t\trefractionRatio: { value: 0.98 }, // basic, lambert, phong\n\n\t},\n\n\taomap: {\n\n\t\taoMap: { value: null },\n\t\taoMapIntensity: { value: 1 },\n\t\taoMapTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\tlightmap: {\n\n\t\tlightMap: { value: null },\n\t\tlightMapIntensity: { value: 1 },\n\t\tlightMapTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\tbumpmap: {\n\n\t\tbumpMap: { value: null },\n\t\tbumpMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\tbumpScale: { value: 1 }\n\n\t},\n\n\tnormalmap: {\n\n\t\tnormalMap: { value: null },\n\t\tnormalMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\tnormalScale: { value: /*@__PURE__*/ new Vector2( 1, 1 ) }\n\n\t},\n\n\tdisplacementmap: {\n\n\t\tdisplacementMap: { value: null },\n\t\tdisplacementMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\tdisplacementScale: { value: 1 },\n\t\tdisplacementBias: { value: 0 }\n\n\t},\n\n\temissivemap: {\n\n\t\temissiveMap: { value: null },\n\t\temissiveMapTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\tmetalnessmap: {\n\n\t\tmetalnessMap: { value: null },\n\t\tmetalnessMapTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\troughnessmap: {\n\n\t\troughnessMap: { value: null },\n\t\troughnessMapTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\tgradientmap: {\n\n\t\tgradientMap: { value: null }\n\n\t},\n\n\tfog: {\n\n\t\tfogDensity: { value: 0.00025 },\n\t\tfogNear: { value: 1 },\n\t\tfogFar: { value: 2000 },\n\t\tfogColor: { value: /*@__PURE__*/ new Color( 0xffffff ) }\n\n\t},\n\n\tlights: {\n\n\t\tambientLightColor: { value: [] },\n\n\t\tlightProbe: { value: [] },\n\n\t\tdirectionalLights: { value: [], properties: {\n\t\t\tdirection: {},\n\t\t\tcolor: {}\n\t\t} },\n\n\t\tdirectionalLightShadows: { value: [], properties: {\n\t\t\tshadowIntensity: 1,\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {}\n\t\t} },\n\n\t\tdirectionalShadowMap: { value: [] },\n\t\tdirectionalShadowMatrix: { value: [] },\n\n\t\tspotLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\tdirection: {},\n\t\t\tdistance: {},\n\t\t\tconeCos: {},\n\t\t\tpenumbraCos: {},\n\t\t\tdecay: {}\n\t\t} },\n\n\t\tspotLightShadows: { value: [], properties: {\n\t\t\tshadowIntensity: 1,\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {}\n\t\t} },\n\n\t\tspotLightMap: { value: [] },\n\t\tspotShadowMap: { value: [] },\n\t\tspotLightMatrix: { value: [] },\n\n\t\tpointLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\tdecay: {},\n\t\t\tdistance: {}\n\t\t} },\n\n\t\tpointLightShadows: { value: [], properties: {\n\t\t\tshadowIntensity: 1,\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {},\n\t\t\tshadowCameraNear: {},\n\t\t\tshadowCameraFar: {}\n\t\t} },\n\n\t\tpointShadowMap: { value: [] },\n\t\tpointShadowMatrix: { value: [] },\n\n\t\themisphereLights: { value: [], properties: {\n\t\t\tdirection: {},\n\t\t\tskyColor: {},\n\t\t\tgroundColor: {}\n\t\t} },\n\n\t\t// TODO (abelnation): RectAreaLight BRDF data needs to be moved from example to main src\n\t\trectAreaLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\twidth: {},\n\t\t\theight: {}\n\t\t} },\n\n\t\tltc_1: { value: null },\n\t\tltc_2: { value: null }\n\n\t},\n\n\tpoints: {\n\n\t\tdiffuse: { value: /*@__PURE__*/ new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\t\tsize: { value: 1.0 },\n\t\tscale: { value: 1.0 },\n\t\tmap: { value: null },\n\t\talphaMap: { value: null },\n\t\talphaMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\talphaTest: { value: 0 },\n\t\tuvTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\tsprite: {\n\n\t\tdiffuse: { value: /*@__PURE__*/ new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\t\tcenter: { value: /*@__PURE__*/ new Vector2( 0.5, 0.5 ) },\n\t\trotation: { value: 0.0 },\n\t\tmap: { value: null },\n\t\tmapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\talphaMap: { value: null },\n\t\talphaMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\talphaTest: { value: 0 }\n\n\t}\n\n};\n\nconst ShaderLib = {\n\n\tbasic: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshbasic_vert,\n\t\tfragmentShader: ShaderChunk.meshbasic_frag\n\n\t},\n\n\tlambert: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: /*@__PURE__*/ new Color( 0x000000 ) }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshlambert_vert,\n\t\tfragmentShader: ShaderChunk.meshlambert_frag\n\n\t},\n\n\tphong: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: /*@__PURE__*/ new Color( 0x000000 ) },\n\t\t\t\tspecular: { value: /*@__PURE__*/ new Color( 0x111111 ) },\n\t\t\t\tshininess: { value: 30 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphong_vert,\n\t\tfragmentShader: ShaderChunk.meshphong_frag\n\n\t},\n\n\tstandard: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.roughnessmap,\n\t\t\tUniformsLib.metalnessmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: /*@__PURE__*/ new Color( 0x000000 ) },\n\t\t\t\troughness: { value: 1.0 },\n\t\t\t\tmetalness: { value: 0.0 },\n\t\t\t\tenvMapIntensity: { value: 1 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t},\n\n\ttoon: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.gradientmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: /*@__PURE__*/ new Color( 0x000000 ) }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshtoon_vert,\n\t\tfragmentShader: ShaderChunk.meshtoon_frag\n\n\t},\n\n\tmatcap: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tmatcap: { value: null }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshmatcap_vert,\n\t\tfragmentShader: ShaderChunk.meshmatcap_frag\n\n\t},\n\n\tpoints: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.points,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.points_vert,\n\t\tfragmentShader: ShaderChunk.points_frag\n\n\t},\n\n\tdashed: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tscale: { value: 1 },\n\t\t\t\tdashSize: { value: 1 },\n\t\t\t\ttotalSize: { value: 2 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.linedashed_vert,\n\t\tfragmentShader: ShaderChunk.linedashed_frag\n\n\t},\n\n\tdepth: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.displacementmap\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.depth_vert,\n\t\tfragmentShader: ShaderChunk.depth_frag\n\n\t},\n\n\tnormal: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\t{\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshnormal_vert,\n\t\tfragmentShader: ShaderChunk.meshnormal_frag\n\n\t},\n\n\tsprite: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.sprite,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.sprite_vert,\n\t\tfragmentShader: ShaderChunk.sprite_frag\n\n\t},\n\n\tbackground: {\n\n\t\tuniforms: {\n\t\t\tuvTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tt2D: { value: null },\n\t\t\tbackgroundIntensity: { value: 1 }\n\t\t},\n\n\t\tvertexShader: ShaderChunk.background_vert,\n\t\tfragmentShader: ShaderChunk.background_frag\n\n\t},\n\n\tbackgroundCube: {\n\n\t\tuniforms: {\n\t\t\tenvMap: { value: null },\n\t\t\tflipEnvMap: { value: - 1 },\n\t\t\tbackgroundBlurriness: { value: 0 },\n\t\t\tbackgroundIntensity: { value: 1 },\n\t\t\tbackgroundRotation: { value: /*@__PURE__*/ new Matrix3() }\n\t\t},\n\n\t\tvertexShader: ShaderChunk.backgroundCube_vert,\n\t\tfragmentShader: ShaderChunk.backgroundCube_frag\n\n\t},\n\n\tcube: {\n\n\t\tuniforms: {\n\t\t\ttCube: { value: null },\n\t\t\ttFlip: { value: - 1 },\n\t\t\topacity: { value: 1.0 }\n\t\t},\n\n\t\tvertexShader: ShaderChunk.cube_vert,\n\t\tfragmentShader: ShaderChunk.cube_frag\n\n\t},\n\n\tequirect: {\n\n\t\tuniforms: {\n\t\t\ttEquirect: { value: null },\n\t\t},\n\n\t\tvertexShader: ShaderChunk.equirect_vert,\n\t\tfragmentShader: ShaderChunk.equirect_frag\n\n\t},\n\n\tdistanceRGBA: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.displacementmap,\n\t\t\t{\n\t\t\t\treferencePosition: { value: /*@__PURE__*/ new Vector3() },\n\t\t\t\tnearDistance: { value: 1 },\n\t\t\t\tfarDistance: { value: 1000 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.distanceRGBA_vert,\n\t\tfragmentShader: ShaderChunk.distanceRGBA_frag\n\n\t},\n\n\tshadow: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.lights,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tcolor: { value: /*@__PURE__*/ new Color( 0x00000 ) },\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t},\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.shadow_vert,\n\t\tfragmentShader: ShaderChunk.shadow_frag\n\n\t}\n\n};\n\nShaderLib.physical = {\n\n\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\tShaderLib.standard.uniforms,\n\t\t{\n\t\t\tclearcoat: { value: 0 },\n\t\t\tclearcoatMap: { value: null },\n\t\t\tclearcoatMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tclearcoatNormalMap: { value: null },\n\t\t\tclearcoatNormalMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tclearcoatNormalScale: { value: /*@__PURE__*/ new Vector2( 1, 1 ) },\n\t\t\tclearcoatRoughness: { value: 0 },\n\t\t\tclearcoatRoughnessMap: { value: null },\n\t\t\tclearcoatRoughnessMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tdispersion: { value: 0 },\n\t\t\tiridescence: { value: 0 },\n\t\t\tiridescenceMap: { value: null },\n\t\t\tiridescenceMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tiridescenceIOR: { value: 1.3 },\n\t\t\tiridescenceThicknessMinimum: { value: 100 },\n\t\t\tiridescenceThicknessMaximum: { value: 400 },\n\t\t\tiridescenceThicknessMap: { value: null },\n\t\t\tiridescenceThicknessMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tsheen: { value: 0 },\n\t\t\tsheenColor: { value: /*@__PURE__*/ new Color( 0x000000 ) },\n\t\t\tsheenColorMap: { value: null },\n\t\t\tsheenColorMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tsheenRoughness: { value: 1 },\n\t\t\tsheenRoughnessMap: { value: null },\n\t\t\tsheenRoughnessMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\ttransmission: { value: 0 },\n\t\t\ttransmissionMap: { value: null },\n\t\t\ttransmissionMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\ttransmissionSamplerSize: { value: /*@__PURE__*/ new Vector2() },\n\t\t\ttransmissionSamplerMap: { value: null },\n\t\t\tthickness: { value: 0 },\n\t\t\tthicknessMap: { value: null },\n\t\t\tthicknessMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tattenuationDistance: { value: 0 },\n\t\t\tattenuationColor: { value: /*@__PURE__*/ new Color( 0x000000 ) },\n\t\t\tspecularColor: { value: /*@__PURE__*/ new Color( 1, 1, 1 ) },\n\t\t\tspecularColorMap: { value: null },\n\t\t\tspecularColorMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tspecularIntensity: { value: 1 },\n\t\t\tspecularIntensityMap: { value: null },\n\t\t\tspecularIntensityMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tanisotropyVector: { value: /*@__PURE__*/ new Vector2() },\n\t\t\tanisotropyMap: { value: null },\n\t\t\tanisotropyMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t}\n\t] ),\n\n\tvertexShader: ShaderChunk.meshphysical_vert,\n\tfragmentShader: ShaderChunk.meshphysical_frag\n\n};\n\nconst _rgb = { r: 0, b: 0, g: 0 };\nconst _e1$1 = /*@__PURE__*/ new Euler();\nconst _m1$1 = /*@__PURE__*/ new Matrix4();\n\nfunction WebGLBackground( renderer, cubemaps, cubeuvmaps, state, objects, alpha, premultipliedAlpha ) {\n\n\tconst clearColor = new Color( 0x000000 );\n\tlet clearAlpha = alpha === true ? 0 : 1;\n\n\tlet planeMesh;\n\tlet boxMesh;\n\n\tlet currentBackground = null;\n\tlet currentBackgroundVersion = 0;\n\tlet currentTonemapping = null;\n\n\tfunction getBackground( scene ) {\n\n\t\tlet background = scene.isScene === true ? scene.background : null;\n\n\t\tif ( background && background.isTexture ) {\n\n\t\t\tconst usePMREM = scene.backgroundBlurriness > 0; // use PMREM if the user wants to blur the background\n\t\t\tbackground = ( usePMREM ? cubeuvmaps : cubemaps ).get( background );\n\n\t\t}\n\n\t\treturn background;\n\n\t}\n\n\tfunction render( scene ) {\n\n\t\tlet forceClear = false;\n\t\tconst background = getBackground( scene );\n\n\t\tif ( background === null ) {\n\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t} else if ( background && background.isColor ) {\n\n\t\t\tsetClear( background, 1 );\n\t\t\tforceClear = true;\n\n\t\t}\n\n\t\tconst environmentBlendMode = renderer.xr.getEnvironmentBlendMode();\n\n\t\tif ( environmentBlendMode === 'additive' ) {\n\n\t\t\tstate.buffers.color.setClear( 0, 0, 0, 1, premultipliedAlpha );\n\n\t\t} else if ( environmentBlendMode === 'alpha-blend' ) {\n\n\t\t\tstate.buffers.color.setClear( 0, 0, 0, 0, premultipliedAlpha );\n\n\t\t}\n\n\t\tif ( renderer.autoClear || forceClear ) {\n\n\t\t\t// buffers might not be writable which is required to ensure a correct clear\n\n\t\t\tstate.buffers.depth.setTest( true );\n\t\t\tstate.buffers.depth.setMask( true );\n\t\t\tstate.buffers.color.setMask( true );\n\n\t\t\trenderer.clear( renderer.autoClearColor, renderer.autoClearDepth, renderer.autoClearStencil );\n\n\t\t}\n\n\t}\n\n\tfunction addToRenderList( renderList, scene ) {\n\n\t\tconst background = getBackground( scene );\n\n\t\tif ( background && ( background.isCubeTexture || background.mapping === CubeUVReflectionMapping ) ) {\n\n\t\t\tif ( boxMesh === undefined ) {\n\n\t\t\t\tboxMesh = new Mesh(\n\t\t\t\t\tnew BoxGeometry( 1, 1, 1 ),\n\t\t\t\t\tnew ShaderMaterial( {\n\t\t\t\t\t\tname: 'BackgroundCubeMaterial',\n\t\t\t\t\t\tuniforms: cloneUniforms( ShaderLib.backgroundCube.uniforms ),\n\t\t\t\t\t\tvertexShader: ShaderLib.backgroundCube.vertexShader,\n\t\t\t\t\t\tfragmentShader: ShaderLib.backgroundCube.fragmentShader,\n\t\t\t\t\t\tside: BackSide,\n\t\t\t\t\t\tdepthTest: false,\n\t\t\t\t\t\tdepthWrite: false,\n\t\t\t\t\t\tfog: false\n\t\t\t\t\t} )\n\t\t\t\t);\n\n\t\t\t\tboxMesh.geometry.deleteAttribute( 'normal' );\n\t\t\t\tboxMesh.geometry.deleteAttribute( 'uv' );\n\n\t\t\t\tboxMesh.onBeforeRender = function ( renderer, scene, camera ) {\n\n\t\t\t\t\tthis.matrixWorld.copyPosition( camera.matrixWorld );\n\n\t\t\t\t};\n\n\t\t\t\t// add \"envMap\" material property so the renderer can evaluate it like for built-in materials\n\t\t\t\tObject.defineProperty( boxMesh.material, 'envMap', {\n\n\t\t\t\t\tget: function () {\n\n\t\t\t\t\t\treturn this.uniforms.envMap.value;\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\tobjects.update( boxMesh );\n\n\t\t\t}\n\n\t\t\t_e1$1.copy( scene.backgroundRotation );\n\n\t\t\t// accommodate left-handed frame\n\t\t\t_e1$1.x *= - 1; _e1$1.y *= - 1; _e1$1.z *= - 1;\n\n\t\t\tif ( background.isCubeTexture && background.isRenderTargetTexture === false ) {\n\n\t\t\t\t// environment maps which are not cube render targets or PMREMs follow a different convention\n\t\t\t\t_e1$1.y *= - 1;\n\t\t\t\t_e1$1.z *= - 1;\n\n\t\t\t}\n\n\t\t\tboxMesh.material.uniforms.envMap.value = background;\n\t\t\tboxMesh.material.uniforms.flipEnvMap.value = ( background.isCubeTexture && background.isRenderTargetTexture === false ) ? - 1 : 1;\n\t\t\tboxMesh.material.uniforms.backgroundBlurriness.value = scene.backgroundBlurriness;\n\t\t\tboxMesh.material.uniforms.backgroundIntensity.value = scene.backgroundIntensity;\n\t\t\tboxMesh.material.uniforms.backgroundRotation.value.setFromMatrix4( _m1$1.makeRotationFromEuler( _e1$1 ) );\n\t\t\tboxMesh.material.toneMapped = ColorManagement.getTransfer( background.colorSpace ) !== SRGBTransfer;\n\n\t\t\tif ( currentBackground !== background ||\n\t\t\t\tcurrentBackgroundVersion !== background.version ||\n\t\t\t\tcurrentTonemapping !== renderer.toneMapping ) {\n\n\t\t\t\tboxMesh.material.needsUpdate = true;\n\n\t\t\t\tcurrentBackground = background;\n\t\t\t\tcurrentBackgroundVersion = background.version;\n\t\t\t\tcurrentTonemapping = renderer.toneMapping;\n\n\t\t\t}\n\n\t\t\tboxMesh.layers.enableAll();\n\n\t\t\t// push to the pre-sorted opaque render list\n\t\t\trenderList.unshift( boxMesh, boxMesh.geometry, boxMesh.material, 0, 0, null );\n\n\t\t} else if ( background && background.isTexture ) {\n\n\t\t\tif ( planeMesh === undefined ) {\n\n\t\t\t\tplaneMesh = new Mesh(\n\t\t\t\t\tnew PlaneGeometry( 2, 2 ),\n\t\t\t\t\tnew ShaderMaterial( {\n\t\t\t\t\t\tname: 'BackgroundMaterial',\n\t\t\t\t\t\tuniforms: cloneUniforms( ShaderLib.background.uniforms ),\n\t\t\t\t\t\tvertexShader: ShaderLib.background.vertexShader,\n\t\t\t\t\t\tfragmentShader: ShaderLib.background.fragmentShader,\n\t\t\t\t\t\tside: FrontSide,\n\t\t\t\t\t\tdepthTest: false,\n\t\t\t\t\t\tdepthWrite: false,\n\t\t\t\t\t\tfog: false\n\t\t\t\t\t} )\n\t\t\t\t);\n\n\t\t\t\tplaneMesh.geometry.deleteAttribute( 'normal' );\n\n\t\t\t\t// add \"map\" material property so the renderer can evaluate it like for built-in materials\n\t\t\t\tObject.defineProperty( planeMesh.material, 'map', {\n\n\t\t\t\t\tget: function () {\n\n\t\t\t\t\t\treturn this.uniforms.t2D.value;\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\tobjects.update( planeMesh );\n\n\t\t\t}\n\n\t\t\tplaneMesh.material.uniforms.t2D.value = background;\n\t\t\tplaneMesh.material.uniforms.backgroundIntensity.value = scene.backgroundIntensity;\n\t\t\tplaneMesh.material.toneMapped = ColorManagement.getTransfer( background.colorSpace ) !== SRGBTransfer;\n\n\t\t\tif ( background.matrixAutoUpdate === true ) {\n\n\t\t\t\tbackground.updateMatrix();\n\n\t\t\t}\n\n\t\t\tplaneMesh.material.uniforms.uvTransform.value.copy( background.matrix );\n\n\t\t\tif ( currentBackground !== background ||\n\t\t\t\tcurrentBackgroundVersion !== background.version ||\n\t\t\t\tcurrentTonemapping !== renderer.toneMapping ) {\n\n\t\t\t\tplaneMesh.material.needsUpdate = true;\n\n\t\t\t\tcurrentBackground = background;\n\t\t\t\tcurrentBackgroundVersion = background.version;\n\t\t\t\tcurrentTonemapping = renderer.toneMapping;\n\n\t\t\t}\n\n\t\t\tplaneMesh.layers.enableAll();\n\n\t\t\t// push to the pre-sorted opaque render list\n\t\t\trenderList.unshift( planeMesh, planeMesh.geometry, planeMesh.material, 0, 0, null );\n\n\t\t}\n\n\t}\n\n\tfunction setClear( color, alpha ) {\n\n\t\tcolor.getRGB( _rgb, getUnlitUniformColorSpace( renderer ) );\n\n\t\tstate.buffers.color.setClear( _rgb.r, _rgb.g, _rgb.b, alpha, premultipliedAlpha );\n\n\t}\n\n\tfunction dispose() {\n\n\t\tif ( boxMesh !== undefined ) {\n\n\t\t\tboxMesh.geometry.dispose();\n\t\t\tboxMesh.material.dispose();\n\n\t\t\tboxMesh = undefined;\n\n\t\t}\n\n\t\tif ( planeMesh !== undefined ) {\n\n\t\t\tplaneMesh.geometry.dispose();\n\t\t\tplaneMesh.material.dispose();\n\n\t\t\tplaneMesh = undefined;\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\tgetClearColor: function () {\n\n\t\t\treturn clearColor;\n\n\t\t},\n\t\tsetClearColor: function ( color, alpha = 1 ) {\n\n\t\t\tclearColor.set( color );\n\t\t\tclearAlpha = alpha;\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t},\n\t\tgetClearAlpha: function () {\n\n\t\t\treturn clearAlpha;\n\n\t\t},\n\t\tsetClearAlpha: function ( alpha ) {\n\n\t\t\tclearAlpha = alpha;\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t},\n\t\trender: render,\n\t\taddToRenderList: addToRenderList,\n\t\tdispose: dispose\n\n\t};\n\n}\n\nfunction WebGLBindingStates( gl, attributes ) {\n\n\tconst maxVertexAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );\n\n\tconst bindingStates = {};\n\n\tconst defaultState = createBindingState( null );\n\tlet currentState = defaultState;\n\tlet forceUpdate = false;\n\n\tfunction setup( object, material, program, geometry, index ) {\n\n\t\tlet updateBuffers = false;\n\n\t\tconst state = getBindingState( geometry, program, material );\n\n\t\tif ( currentState !== state ) {\n\n\t\t\tcurrentState = state;\n\t\t\tbindVertexArrayObject( currentState.object );\n\n\t\t}\n\n\t\tupdateBuffers = needsUpdate( object, geometry, program, index );\n\n\t\tif ( updateBuffers ) saveCache( object, geometry, program, index );\n\n\t\tif ( index !== null ) {\n\n\t\t\tattributes.update( index, gl.ELEMENT_ARRAY_BUFFER );\n\n\t\t}\n\n\t\tif ( updateBuffers || forceUpdate ) {\n\n\t\t\tforceUpdate = false;\n\n\t\t\tsetupVertexAttributes( object, material, program, geometry );\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, attributes.get( index ).buffer );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction createVertexArrayObject() {\n\n\t\treturn gl.createVertexArray();\n\n\t}\n\n\tfunction bindVertexArrayObject( vao ) {\n\n\t\treturn gl.bindVertexArray( vao );\n\n\t}\n\n\tfunction deleteVertexArrayObject( vao ) {\n\n\t\treturn gl.deleteVertexArray( vao );\n\n\t}\n\n\tfunction getBindingState( geometry, program, material ) {\n\n\t\tconst wireframe = ( material.wireframe === true );\n\n\t\tlet programMap = bindingStates[ geometry.id ];\n\n\t\tif ( programMap === undefined ) {\n\n\t\t\tprogramMap = {};\n\t\t\tbindingStates[ geometry.id ] = programMap;\n\n\t\t}\n\n\t\tlet stateMap = programMap[ program.id ];\n\n\t\tif ( stateMap === undefined ) {\n\n\t\t\tstateMap = {};\n\t\t\tprogramMap[ program.id ] = stateMap;\n\n\t\t}\n\n\t\tlet state = stateMap[ wireframe ];\n\n\t\tif ( state === undefined ) {\n\n\t\t\tstate = createBindingState( createVertexArrayObject() );\n\t\t\tstateMap[ wireframe ] = state;\n\n\t\t}\n\n\t\treturn state;\n\n\t}\n\n\tfunction createBindingState( vao ) {\n\n\t\tconst newAttributes = [];\n\t\tconst enabledAttributes = [];\n\t\tconst attributeDivisors = [];\n\n\t\tfor ( let i = 0; i < maxVertexAttributes; i ++ ) {\n\n\t\t\tnewAttributes[ i ] = 0;\n\t\t\tenabledAttributes[ i ] = 0;\n\t\t\tattributeDivisors[ i ] = 0;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\t// for backward compatibility on non-VAO support browser\n\t\t\tgeometry: null,\n\t\t\tprogram: null,\n\t\t\twireframe: false,\n\n\t\t\tnewAttributes: newAttributes,\n\t\t\tenabledAttributes: enabledAttributes,\n\t\t\tattributeDivisors: attributeDivisors,\n\t\t\tobject: vao,\n\t\t\tattributes: {},\n\t\t\tindex: null\n\n\t\t};\n\n\t}\n\n\tfunction needsUpdate( object, geometry, program, index ) {\n\n\t\tconst cachedAttributes = currentState.attributes;\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\tlet attributesNum = 0;\n\n\t\tconst programAttributes = program.getAttributes();\n\n\t\tfor ( const name in programAttributes ) {\n\n\t\t\tconst programAttribute = programAttributes[ name ];\n\n\t\t\tif ( programAttribute.location >= 0 ) {\n\n\t\t\t\tconst cachedAttribute = cachedAttributes[ name ];\n\t\t\t\tlet geometryAttribute = geometryAttributes[ name ];\n\n\t\t\t\tif ( geometryAttribute === undefined ) {\n\n\t\t\t\t\tif ( name === 'instanceMatrix' && object.instanceMatrix ) geometryAttribute = object.instanceMatrix;\n\t\t\t\t\tif ( name === 'instanceColor' && object.instanceColor ) geometryAttribute = object.instanceColor;\n\n\t\t\t\t}\n\n\t\t\t\tif ( cachedAttribute === undefined ) return true;\n\n\t\t\t\tif ( cachedAttribute.attribute !== geometryAttribute ) return true;\n\n\t\t\t\tif ( geometryAttribute && cachedAttribute.data !== geometryAttribute.data ) return true;\n\n\t\t\t\tattributesNum ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( currentState.attributesNum !== attributesNum ) return true;\n\n\t\tif ( currentState.index !== index ) return true;\n\n\t\treturn false;\n\n\t}\n\n\tfunction saveCache( object, geometry, program, index ) {\n\n\t\tconst cache = {};\n\t\tconst attributes = geometry.attributes;\n\t\tlet attributesNum = 0;\n\n\t\tconst programAttributes = program.getAttributes();\n\n\t\tfor ( const name in programAttributes ) {\n\n\t\t\tconst programAttribute = programAttributes[ name ];\n\n\t\t\tif ( programAttribute.location >= 0 ) {\n\n\t\t\t\tlet attribute = attributes[ name ];\n\n\t\t\t\tif ( attribute === undefined ) {\n\n\t\t\t\t\tif ( name === 'instanceMatrix' && object.instanceMatrix ) attribute = object.instanceMatrix;\n\t\t\t\t\tif ( name === 'instanceColor' && object.instanceColor ) attribute = object.instanceColor;\n\n\t\t\t\t}\n\n\t\t\t\tconst data = {};\n\t\t\t\tdata.attribute = attribute;\n\n\t\t\t\tif ( attribute && attribute.data ) {\n\n\t\t\t\t\tdata.data = attribute.data;\n\n\t\t\t\t}\n\n\t\t\t\tcache[ name ] = data;\n\n\t\t\t\tattributesNum ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\tcurrentState.attributes = cache;\n\t\tcurrentState.attributesNum = attributesNum;\n\n\t\tcurrentState.index = index;\n\n\t}\n\n\tfunction initAttributes() {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\n\t\tfor ( let i = 0, il = newAttributes.length; i < il; i ++ ) {\n\n\t\t\tnewAttributes[ i ] = 0;\n\n\t\t}\n\n\t}\n\n\tfunction enableAttribute( attribute ) {\n\n\t\tenableAttributeAndDivisor( attribute, 0 );\n\n\t}\n\n\tfunction enableAttributeAndDivisor( attribute, meshPerAttribute ) {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\t\tconst enabledAttributes = currentState.enabledAttributes;\n\t\tconst attributeDivisors = currentState.attributeDivisors;\n\n\t\tnewAttributes[ attribute ] = 1;\n\n\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t}\n\n\t\tif ( attributeDivisors[ attribute ] !== meshPerAttribute ) {\n\n\t\t\tgl.vertexAttribDivisor( attribute, meshPerAttribute );\n\t\t\tattributeDivisors[ attribute ] = meshPerAttribute;\n\n\t\t}\n\n\t}\n\n\tfunction disableUnusedAttributes() {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\t\tconst enabledAttributes = currentState.enabledAttributes;\n\n\t\tfor ( let i = 0, il = enabledAttributes.length; i < il; i ++ ) {\n\n\t\t\tif ( enabledAttributes[ i ] !== newAttributes[ i ] ) {\n\n\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction vertexAttribPointer( index, size, type, normalized, stride, offset, integer ) {\n\n\t\tif ( integer === true ) {\n\n\t\t\tgl.vertexAttribIPointer( index, size, type, stride, offset );\n\n\t\t} else {\n\n\t\t\tgl.vertexAttribPointer( index, size, type, normalized, stride, offset );\n\n\t\t}\n\n\t}\n\n\tfunction setupVertexAttributes( object, material, program, geometry ) {\n\n\t\tinitAttributes();\n\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\tconst programAttributes = program.getAttributes();\n\n\t\tconst materialDefaultAttributeValues = material.defaultAttributeValues;\n\n\t\tfor ( const name in programAttributes ) {\n\n\t\t\tconst programAttribute = programAttributes[ name ];\n\n\t\t\tif ( programAttribute.location >= 0 ) {\n\n\t\t\t\tlet geometryAttribute = geometryAttributes[ name ];\n\n\t\t\t\tif ( geometryAttribute === undefined ) {\n\n\t\t\t\t\tif ( name === 'instanceMatrix' && object.instanceMatrix ) geometryAttribute = object.instanceMatrix;\n\t\t\t\t\tif ( name === 'instanceColor' && object.instanceColor ) geometryAttribute = object.instanceColor;\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometryAttribute !== undefined ) {\n\n\t\t\t\t\tconst normalized = geometryAttribute.normalized;\n\t\t\t\t\tconst size = geometryAttribute.itemSize;\n\n\t\t\t\t\tconst attribute = attributes.get( geometryAttribute );\n\n\t\t\t\t\t// TODO Attribute may not be available on context restore\n\n\t\t\t\t\tif ( attribute === undefined ) continue;\n\n\t\t\t\t\tconst buffer = attribute.buffer;\n\t\t\t\t\tconst type = attribute.type;\n\t\t\t\t\tconst bytesPerElement = attribute.bytesPerElement;\n\n\t\t\t\t\t// check for integer attributes\n\n\t\t\t\t\tconst integer = ( type === gl.INT || type === gl.UNSIGNED_INT || geometryAttribute.gpuType === IntType );\n\n\t\t\t\t\tif ( geometryAttribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\tconst data = geometryAttribute.data;\n\t\t\t\t\t\tconst stride = data.stride;\n\t\t\t\t\t\tconst offset = geometryAttribute.offset;\n\n\t\t\t\t\t\tif ( data.isInstancedInterleavedBuffer ) {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttributeAndDivisor( programAttribute.location + i, data.meshPerAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( object.isInstancedMesh !== true && geometry._maxInstanceCount === undefined ) {\n\n\t\t\t\t\t\t\t\tgeometry._maxInstanceCount = data.meshPerAttribute * data.count;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttribute( programAttribute.location + i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, buffer );\n\n\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\tvertexAttribPointer(\n\t\t\t\t\t\t\t\tprogramAttribute.location + i,\n\t\t\t\t\t\t\t\tsize / programAttribute.locationSize,\n\t\t\t\t\t\t\t\ttype,\n\t\t\t\t\t\t\t\tnormalized,\n\t\t\t\t\t\t\t\tstride * bytesPerElement,\n\t\t\t\t\t\t\t\t( offset + ( size / programAttribute.locationSize ) * i ) * bytesPerElement,\n\t\t\t\t\t\t\t\tinteger\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( geometryAttribute.isInstancedBufferAttribute ) {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttributeAndDivisor( programAttribute.location + i, geometryAttribute.meshPerAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( object.isInstancedMesh !== true && geometry._maxInstanceCount === undefined ) {\n\n\t\t\t\t\t\t\t\tgeometry._maxInstanceCount = geometryAttribute.meshPerAttribute * geometryAttribute.count;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttribute( programAttribute.location + i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, buffer );\n\n\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\tvertexAttribPointer(\n\t\t\t\t\t\t\t\tprogramAttribute.location + i,\n\t\t\t\t\t\t\t\tsize / programAttribute.locationSize,\n\t\t\t\t\t\t\t\ttype,\n\t\t\t\t\t\t\t\tnormalized,\n\t\t\t\t\t\t\t\tsize * bytesPerElement,\n\t\t\t\t\t\t\t\t( size / programAttribute.locationSize ) * i * bytesPerElement,\n\t\t\t\t\t\t\t\tinteger\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( materialDefaultAttributeValues !== undefined ) {\n\n\t\t\t\t\tconst value = materialDefaultAttributeValues[ name ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\tswitch ( value.length ) {\n\n\t\t\t\t\t\t\tcase 2:\n\t\t\t\t\t\t\t\tgl.vertexAttrib2fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 3:\n\t\t\t\t\t\t\t\tgl.vertexAttrib3fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 4:\n\t\t\t\t\t\t\t\tgl.vertexAttrib4fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\tgl.vertexAttrib1fv( programAttribute.location, value );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tdisableUnusedAttributes();\n\n\t}\n\n\tfunction dispose() {\n\n\t\treset();\n\n\t\tfor ( const geometryId in bindingStates ) {\n\n\t\t\tconst programMap = bindingStates[ geometryId ];\n\n\t\t\tfor ( const programId in programMap ) {\n\n\t\t\t\tconst stateMap = programMap[ programId ];\n\n\t\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t\t}\n\n\t\t\t\tdelete programMap[ programId ];\n\n\t\t\t}\n\n\t\t\tdelete bindingStates[ geometryId ];\n\n\t\t}\n\n\t}\n\n\tfunction releaseStatesOfGeometry( geometry ) {\n\n\t\tif ( bindingStates[ geometry.id ] === undefined ) return;\n\n\t\tconst programMap = bindingStates[ geometry.id ];\n\n\t\tfor ( const programId in programMap ) {\n\n\t\t\tconst stateMap = programMap[ programId ];\n\n\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t}\n\n\t\t\tdelete programMap[ programId ];\n\n\t\t}\n\n\t\tdelete bindingStates[ geometry.id ];\n\n\t}\n\n\tfunction releaseStatesOfProgram( program ) {\n\n\t\tfor ( const geometryId in bindingStates ) {\n\n\t\t\tconst programMap = bindingStates[ geometryId ];\n\n\t\t\tif ( programMap[ program.id ] === undefined ) continue;\n\n\t\t\tconst stateMap = programMap[ program.id ];\n\n\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t}\n\n\t\t\tdelete programMap[ program.id ];\n\n\t\t}\n\n\t}\n\n\tfunction reset() {\n\n\t\tresetDefaultState();\n\t\tforceUpdate = true;\n\n\t\tif ( currentState === defaultState ) return;\n\n\t\tcurrentState = defaultState;\n\t\tbindVertexArrayObject( currentState.object );\n\n\t}\n\n\t// for backward-compatibility\n\n\tfunction resetDefaultState() {\n\n\t\tdefaultState.geometry = null;\n\t\tdefaultState.program = null;\n\t\tdefaultState.wireframe = false;\n\n\t}\n\n\treturn {\n\n\t\tsetup: setup,\n\t\treset: reset,\n\t\tresetDefaultState: resetDefaultState,\n\t\tdispose: dispose,\n\t\treleaseStatesOfGeometry: releaseStatesOfGeometry,\n\t\treleaseStatesOfProgram: releaseStatesOfProgram,\n\n\t\tinitAttributes: initAttributes,\n\t\tenableAttribute: enableAttribute,\n\t\tdisableUnusedAttributes: disableUnusedAttributes\n\n\t};\n\n}\n\nfunction WebGLBufferRenderer( gl, extensions, info ) {\n\n\tlet mode;\n\n\tfunction setMode( value ) {\n\n\t\tmode = value;\n\n\t}\n\n\tfunction render( start, count ) {\n\n\t\tgl.drawArrays( mode, start, count );\n\n\t\tinfo.update( count, mode, 1 );\n\n\t}\n\n\tfunction renderInstances( start, count, primcount ) {\n\n\t\tif ( primcount === 0 ) return;\n\n\t\tgl.drawArraysInstanced( mode, start, count, primcount );\n\n\t\tinfo.update( count, mode, primcount );\n\n\t}\n\n\tfunction renderMultiDraw( starts, counts, drawCount ) {\n\n\t\tif ( drawCount === 0 ) return;\n\n\t\tconst extension = extensions.get( 'WEBGL_multi_draw' );\n\t\textension.multiDrawArraysWEBGL( mode, starts, 0, counts, 0, drawCount );\n\n\t\tlet elementCount = 0;\n\t\tfor ( let i = 0; i < drawCount; i ++ ) {\n\n\t\t\telementCount += counts[ i ];\n\n\t\t}\n\n\t\tinfo.update( elementCount, mode, 1 );\n\n\t}\n\n\tfunction renderMultiDrawInstances( starts, counts, drawCount, primcount ) {\n\n\t\tif ( drawCount === 0 ) return;\n\n\t\tconst extension = extensions.get( 'WEBGL_multi_draw' );\n\n\t\tif ( extension === null ) {\n\n\t\t\tfor ( let i = 0; i < starts.length; i ++ ) {\n\n\t\t\t\trenderInstances( starts[ i ], counts[ i ], primcount[ i ] );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\textension.multiDrawArraysInstancedWEBGL( mode, starts, 0, counts, 0, primcount, 0, drawCount );\n\n\t\t\tlet elementCount = 0;\n\t\t\tfor ( let i = 0; i < drawCount; i ++ ) {\n\n\t\t\t\telementCount += counts[ i ] * primcount[ i ];\n\n\t\t\t}\n\n\t\t\tinfo.update( elementCount, mode, 1 );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tthis.setMode = setMode;\n\tthis.render = render;\n\tthis.renderInstances = renderInstances;\n\tthis.renderMultiDraw = renderMultiDraw;\n\tthis.renderMultiDrawInstances = renderMultiDrawInstances;\n\n}\n\nfunction WebGLCapabilities( gl, extensions, parameters, utils ) {\n\n\tlet maxAnisotropy;\n\n\tfunction getMaxAnisotropy() {\n\n\t\tif ( maxAnisotropy !== undefined ) return maxAnisotropy;\n\n\t\tif ( extensions.has( 'EXT_texture_filter_anisotropic' ) === true ) {\n\n\t\t\tconst extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tmaxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT );\n\n\t\t} else {\n\n\t\t\tmaxAnisotropy = 0;\n\n\t\t}\n\n\t\treturn maxAnisotropy;\n\n\t}\n\n\tfunction textureFormatReadable( textureFormat ) {\n\n\t\tif ( textureFormat !== RGBAFormat && utils.convert( textureFormat ) !== gl.getParameter( gl.IMPLEMENTATION_COLOR_READ_FORMAT ) ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tfunction textureTypeReadable( textureType ) {\n\n\t\tconst halfFloatSupportedByExt = ( textureType === HalfFloatType ) && ( extensions.has( 'EXT_color_buffer_half_float' ) || extensions.has( 'EXT_color_buffer_float' ) );\n\n\t\tif ( textureType !== UnsignedByteType && utils.convert( textureType ) !== gl.getParameter( gl.IMPLEMENTATION_COLOR_READ_TYPE ) && // Edge and Chrome Mac < 52 (#9513)\n\t\t\ttextureType !== FloatType && ! halfFloatSupportedByExt ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tfunction getMaxPrecision( precision ) {\n\n\t\tif ( precision === 'highp' ) {\n\n\t\t\tif ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.HIGH_FLOAT ).precision > 0 &&\n\t\t\t\tgl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.HIGH_FLOAT ).precision > 0 ) {\n\n\t\t\t\treturn 'highp';\n\n\t\t\t}\n\n\t\t\tprecision = 'mediump';\n\n\t\t}\n\n\t\tif ( precision === 'mediump' ) {\n\n\t\t\tif ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.MEDIUM_FLOAT ).precision > 0 &&\n\t\t\t\tgl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.MEDIUM_FLOAT ).precision > 0 ) {\n\n\t\t\t\treturn 'mediump';\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn 'lowp';\n\n\t}\n\n\tlet precision = parameters.precision !== undefined ? parameters.precision : 'highp';\n\tconst maxPrecision = getMaxPrecision( precision );\n\n\tif ( maxPrecision !== precision ) {\n\n\t\tconsole.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' );\n\t\tprecision = maxPrecision;\n\n\t}\n\n\tconst logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true;\n\tconst reverseDepthBuffer = parameters.reverseDepthBuffer === true && extensions.has( 'EXT_clip_control' );\n\n\tconst maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS );\n\tconst maxVertexTextures = gl.getParameter( gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS );\n\tconst maxTextureSize = gl.getParameter( gl.MAX_TEXTURE_SIZE );\n\tconst maxCubemapSize = gl.getParameter( gl.MAX_CUBE_MAP_TEXTURE_SIZE );\n\n\tconst maxAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );\n\tconst maxVertexUniforms = gl.getParameter( gl.MAX_VERTEX_UNIFORM_VECTORS );\n\tconst maxVaryings = gl.getParameter( gl.MAX_VARYING_VECTORS );\n\tconst maxFragmentUniforms = gl.getParameter( gl.MAX_FRAGMENT_UNIFORM_VECTORS );\n\n\tconst vertexTextures = maxVertexTextures > 0;\n\n\tconst maxSamples = gl.getParameter( gl.MAX_SAMPLES );\n\n\treturn {\n\n\t\tisWebGL2: true, // keeping this for backwards compatibility\n\n\t\tgetMaxAnisotropy: getMaxAnisotropy,\n\t\tgetMaxPrecision: getMaxPrecision,\n\n\t\ttextureFormatReadable: textureFormatReadable,\n\t\ttextureTypeReadable: textureTypeReadable,\n\n\t\tprecision: precision,\n\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\t\treverseDepthBuffer: reverseDepthBuffer,\n\n\t\tmaxTextures: maxTextures,\n\t\tmaxVertexTextures: maxVertexTextures,\n\t\tmaxTextureSize: maxTextureSize,\n\t\tmaxCubemapSize: maxCubemapSize,\n\n\t\tmaxAttributes: maxAttributes,\n\t\tmaxVertexUniforms: maxVertexUniforms,\n\t\tmaxVaryings: maxVaryings,\n\t\tmaxFragmentUniforms: maxFragmentUniforms,\n\n\t\tvertexTextures: vertexTextures,\n\n\t\tmaxSamples: maxSamples\n\n\t};\n\n}\n\nfunction WebGLClipping( properties ) {\n\n\tconst scope = this;\n\n\tlet globalState = null,\n\t\tnumGlobalPlanes = 0,\n\t\tlocalClippingEnabled = false,\n\t\trenderingShadows = false;\n\n\tconst plane = new Plane(),\n\t\tviewNormalMatrix = new Matrix3(),\n\n\t\tuniform = { value: null, needsUpdate: false };\n\n\tthis.uniform = uniform;\n\tthis.numPlanes = 0;\n\tthis.numIntersection = 0;\n\n\tthis.init = function ( planes, enableLocalClipping ) {\n\n\t\tconst enabled =\n\t\t\tplanes.length !== 0 ||\n\t\t\tenableLocalClipping ||\n\t\t\t// enable state of previous frame - the clipping code has to\n\t\t\t// run another frame in order to reset the state:\n\t\t\tnumGlobalPlanes !== 0 ||\n\t\t\tlocalClippingEnabled;\n\n\t\tlocalClippingEnabled = enableLocalClipping;\n\n\t\tnumGlobalPlanes = planes.length;\n\n\t\treturn enabled;\n\n\t};\n\n\tthis.beginShadows = function () {\n\n\t\trenderingShadows = true;\n\t\tprojectPlanes( null );\n\n\t};\n\n\tthis.endShadows = function () {\n\n\t\trenderingShadows = false;\n\n\t};\n\n\tthis.setGlobalState = function ( planes, camera ) {\n\n\t\tglobalState = projectPlanes( planes, camera, 0 );\n\n\t};\n\n\tthis.setState = function ( material, camera, useCache ) {\n\n\t\tconst planes = material.clippingPlanes,\n\t\t\tclipIntersection = material.clipIntersection,\n\t\t\tclipShadows = material.clipShadows;\n\n\t\tconst materialProperties = properties.get( material );\n\n\t\tif ( ! localClippingEnabled || planes === null || planes.length === 0 || renderingShadows && ! clipShadows ) {\n\n\t\t\t// there's no local clipping\n\n\t\t\tif ( renderingShadows ) {\n\n\t\t\t\t// there's no global clipping\n\n\t\t\t\tprojectPlanes( null );\n\n\t\t\t} else {\n\n\t\t\t\tresetGlobalState();\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst nGlobal = renderingShadows ? 0 : numGlobalPlanes,\n\t\t\t\tlGlobal = nGlobal * 4;\n\n\t\t\tlet dstArray = materialProperties.clippingState || null;\n\n\t\t\tuniform.value = dstArray; // ensure unique state\n\n\t\t\tdstArray = projectPlanes( planes, camera, lGlobal, useCache );\n\n\t\t\tfor ( let i = 0; i !== lGlobal; ++ i ) {\n\n\t\t\t\tdstArray[ i ] = globalState[ i ];\n\n\t\t\t}\n\n\t\t\tmaterialProperties.clippingState = dstArray;\n\t\t\tthis.numIntersection = clipIntersection ? this.numPlanes : 0;\n\t\t\tthis.numPlanes += nGlobal;\n\n\t\t}\n\n\n\t};\n\n\tfunction resetGlobalState() {\n\n\t\tif ( uniform.value !== globalState ) {\n\n\t\t\tuniform.value = globalState;\n\t\t\tuniform.needsUpdate = numGlobalPlanes > 0;\n\n\t\t}\n\n\t\tscope.numPlanes = numGlobalPlanes;\n\t\tscope.numIntersection = 0;\n\n\t}\n\n\tfunction projectPlanes( planes, camera, dstOffset, skipTransform ) {\n\n\t\tconst nPlanes = planes !== null ? planes.length : 0;\n\t\tlet dstArray = null;\n\n\t\tif ( nPlanes !== 0 ) {\n\n\t\t\tdstArray = uniform.value;\n\n\t\t\tif ( skipTransform !== true || dstArray === null ) {\n\n\t\t\t\tconst flatSize = dstOffset + nPlanes * 4,\n\t\t\t\t\tviewMatrix = camera.matrixWorldInverse;\n\n\t\t\t\tviewNormalMatrix.getNormalMatrix( viewMatrix );\n\n\t\t\t\tif ( dstArray === null || dstArray.length < flatSize ) {\n\n\t\t\t\t\tdstArray = new Float32Array( flatSize );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0, i4 = dstOffset; i !== nPlanes; ++ i, i4 += 4 ) {\n\n\t\t\t\t\tplane.copy( planes[ i ] ).applyMatrix4( viewMatrix, viewNormalMatrix );\n\n\t\t\t\t\tplane.normal.toArray( dstArray, i4 );\n\t\t\t\t\tdstArray[ i4 + 3 ] = plane.constant;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tuniform.value = dstArray;\n\t\t\tuniform.needsUpdate = true;\n\n\t\t}\n\n\t\tscope.numPlanes = nPlanes;\n\t\tscope.numIntersection = 0;\n\n\t\treturn dstArray;\n\n\t}\n\n}\n\nfunction WebGLCubeMaps( renderer ) {\n\n\tlet cubemaps = new WeakMap();\n\n\tfunction mapTextureMapping( texture, mapping ) {\n\n\t\tif ( mapping === EquirectangularReflectionMapping ) {\n\n\t\t\ttexture.mapping = CubeReflectionMapping;\n\n\t\t} else if ( mapping === EquirectangularRefractionMapping ) {\n\n\t\t\ttexture.mapping = CubeRefractionMapping;\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction get( texture ) {\n\n\t\tif ( texture && texture.isTexture ) {\n\n\t\t\tconst mapping = texture.mapping;\n\n\t\t\tif ( mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping ) {\n\n\t\t\t\tif ( cubemaps.has( texture ) ) {\n\n\t\t\t\t\tconst cubemap = cubemaps.get( texture ).texture;\n\t\t\t\t\treturn mapTextureMapping( cubemap, texture.mapping );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst image = texture.image;\n\n\t\t\t\t\tif ( image && image.height > 0 ) {\n\n\t\t\t\t\t\tconst renderTarget = new WebGLCubeRenderTarget( image.height );\n\t\t\t\t\t\trenderTarget.fromEquirectangularTexture( renderer, texture );\n\t\t\t\t\t\tcubemaps.set( texture, renderTarget );\n\n\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\treturn mapTextureMapping( renderTarget.texture, texture.mapping );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// image not yet ready. try the conversion next frame\n\n\t\t\t\t\t\treturn null;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tconst cubemap = cubemaps.get( texture );\n\n\t\tif ( cubemap !== undefined ) {\n\n\t\t\tcubemaps.delete( texture );\n\t\t\tcubemap.dispose();\n\n\t\t}\n\n\t}\n\n\tfunction dispose() {\n\n\t\tcubemaps = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nconst LOD_MIN = 4;\n\n// The standard deviations (radians) associated with the extra mips. These are\n// chosen to approximate a Trowbridge-Reitz distribution function times the\n// geometric shadowing function. These sigma values squared must match the\n// variance #defines in cube_uv_reflection_fragment.glsl.js.\nconst EXTRA_LOD_SIGMA = [ 0.125, 0.215, 0.35, 0.446, 0.526, 0.582 ];\n\n// The maximum length of the blur for loop. Smaller sigmas will use fewer\n// samples and exit early, but not recompile the shader.\nconst MAX_SAMPLES = 20;\n\nconst _flatCamera = /*@__PURE__*/ new OrthographicCamera();\nconst _clearColor = /*@__PURE__*/ new Color();\nlet _oldTarget = null;\nlet _oldActiveCubeFace = 0;\nlet _oldActiveMipmapLevel = 0;\nlet _oldXrEnabled = false;\n\n// Golden Ratio\nconst PHI = ( 1 + Math.sqrt( 5 ) ) / 2;\nconst INV_PHI = 1 / PHI;\n\n// Vertices of a dodecahedron (except the opposites, which represent the\n// same axis), used as axis directions evenly spread on a sphere.\nconst _axisDirections = [\n\t/*@__PURE__*/ new Vector3( - PHI, INV_PHI, 0 ),\n\t/*@__PURE__*/ new Vector3( PHI, INV_PHI, 0 ),\n\t/*@__PURE__*/ new Vector3( - INV_PHI, 0, PHI ),\n\t/*@__PURE__*/ new Vector3( INV_PHI, 0, PHI ),\n\t/*@__PURE__*/ new Vector3( 0, PHI, - INV_PHI ),\n\t/*@__PURE__*/ new Vector3( 0, PHI, INV_PHI ),\n\t/*@__PURE__*/ new Vector3( - 1, 1, - 1 ),\n\t/*@__PURE__*/ new Vector3( 1, 1, - 1 ),\n\t/*@__PURE__*/ new Vector3( - 1, 1, 1 ),\n\t/*@__PURE__*/ new Vector3( 1, 1, 1 ) ];\n\n/**\n * This class generates a Prefiltered, Mipmapped Radiance Environment Map\n * (PMREM) from a cubeMap environment texture. This allows different levels of\n * blur to be quickly accessed based on material roughness. It is packed into a\n * special CubeUV format that allows us to perform custom interpolation so that\n * we can support nonlinear formats such as RGBE. Unlike a traditional mipmap\n * chain, it only goes down to the LOD_MIN level (above), and then creates extra\n * even more filtered 'mips' at the same LOD_MIN resolution, associated with\n * higher roughness levels. In this way we maintain resolution to smoothly\n * interpolate diffuse lighting while limiting sampling computation.\n *\n * Paper: Fast, Accurate Image-Based Lighting\n * https://drive.google.com/file/d/15y8r_UpKlU9SvV4ILb0C3qCPecS8pvLz/view\n*/\n\nclass PMREMGenerator {\n\n\tconstructor( renderer ) {\n\n\t\tthis._renderer = renderer;\n\t\tthis._pingPongRenderTarget = null;\n\n\t\tthis._lodMax = 0;\n\t\tthis._cubeSize = 0;\n\t\tthis._lodPlanes = [];\n\t\tthis._sizeLods = [];\n\t\tthis._sigmas = [];\n\n\t\tthis._blurMaterial = null;\n\t\tthis._cubemapMaterial = null;\n\t\tthis._equirectMaterial = null;\n\n\t\tthis._compileMaterial( this._blurMaterial );\n\n\t}\n\n\t/**\n\t * Generates a PMREM from a supplied Scene, which can be faster than using an\n\t * image if networking bandwidth is low. Optional sigma specifies a blur radius\n\t * in radians to be applied to the scene before PMREM generation. Optional near\n\t * and far planes ensure the scene is rendered in its entirety (the cubeCamera\n\t * is placed at the origin).\n\t *\n\t * @param {Scene} scene\n\t * @param {number} sigma\n\t * @param {number} near\n\t * @param {number} far\n\t * @return {WebGLRenderTarget}\n\t */\n\tfromScene( scene, sigma = 0, near = 0.1, far = 100 ) {\n\n\t\t_oldTarget = this._renderer.getRenderTarget();\n\t\t_oldActiveCubeFace = this._renderer.getActiveCubeFace();\n\t\t_oldActiveMipmapLevel = this._renderer.getActiveMipmapLevel();\n\t\t_oldXrEnabled = this._renderer.xr.enabled;\n\n\t\tthis._renderer.xr.enabled = false;\n\n\t\tthis._setSize( 256 );\n\n\t\tconst cubeUVRenderTarget = this._allocateTargets();\n\t\tcubeUVRenderTarget.depthBuffer = true;\n\n\t\tthis._sceneToCubeUV( scene, near, far, cubeUVRenderTarget );\n\n\t\tif ( sigma > 0 ) {\n\n\t\t\tthis._blur( cubeUVRenderTarget, 0, 0, sigma );\n\n\t\t}\n\n\t\tthis._applyPMREM( cubeUVRenderTarget );\n\t\tthis._cleanup( cubeUVRenderTarget );\n\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t/**\n\t * Generates a PMREM from an equirectangular texture, which can be either LDR\n\t * or HDR. The ideal input image size is 1k (1024 x 512),\n\t * as this matches best with the 256 x 256 cubemap output.\n\t * The smallest supported equirectangular image size is 64 x 32.\n\t *\n\t * @param {Texture} equirectangular\n\t * @param {WebGLRenderTarget} [renderTarget=null] - Optional render target.\n\t * @return {WebGLRenderTarget}\n\t */\n\tfromEquirectangular( equirectangular, renderTarget = null ) {\n\n\t\treturn this._fromTexture( equirectangular, renderTarget );\n\n\t}\n\n\t/**\n\t * Generates a PMREM from an cubemap texture, which can be either LDR\n\t * or HDR. The ideal input cube size is 256 x 256,\n\t * as this matches best with the 256 x 256 cubemap output.\n\t * The smallest supported cube size is 16 x 16.\n\t *\n\t * @param {Texture} cubemap\n\t * @param {null} [renderTarget=null] - Optional render target.\n\t * @return {WebGLRenderTarget}\n\t */\n\tfromCubemap( cubemap, renderTarget = null ) {\n\n\t\treturn this._fromTexture( cubemap, renderTarget );\n\n\t}\n\n\t/**\n\t * Pre-compiles the cubemap shader. You can get faster start-up by invoking this method during\n\t * your texture's network fetch for increased concurrency.\n\t */\n\tcompileCubemapShader() {\n\n\t\tif ( this._cubemapMaterial === null ) {\n\n\t\t\tthis._cubemapMaterial = _getCubemapMaterial();\n\t\t\tthis._compileMaterial( this._cubemapMaterial );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Pre-compiles the equirectangular shader. You can get faster start-up by invoking this method during\n\t * your texture's network fetch for increased concurrency.\n\t */\n\tcompileEquirectangularShader() {\n\n\t\tif ( this._equirectMaterial === null ) {\n\n\t\t\tthis._equirectMaterial = _getEquirectMaterial();\n\t\t\tthis._compileMaterial( this._equirectMaterial );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Disposes of the PMREMGenerator's internal memory. Note that PMREMGenerator is a static class,\n\t * so you should not need more than one PMREMGenerator object. If you do, calling dispose() on\n\t * one of them will cause any others to also become unusable.\n\t */\n\tdispose() {\n\n\t\tthis._dispose();\n\n\t\tif ( this._cubemapMaterial !== null ) this._cubemapMaterial.dispose();\n\t\tif ( this._equirectMaterial !== null ) this._equirectMaterial.dispose();\n\n\t}\n\n\t// private interface\n\n\t_setSize( cubeSize ) {\n\n\t\tthis._lodMax = Math.floor( Math.log2( cubeSize ) );\n\t\tthis._cubeSize = Math.pow( 2, this._lodMax );\n\n\t}\n\n\t_dispose() {\n\n\t\tif ( this._blurMaterial !== null ) this._blurMaterial.dispose();\n\n\t\tif ( this._pingPongRenderTarget !== null ) this._pingPongRenderTarget.dispose();\n\n\t\tfor ( let i = 0; i < this._lodPlanes.length; i ++ ) {\n\n\t\t\tthis._lodPlanes[ i ].dispose();\n\n\t\t}\n\n\t}\n\n\t_cleanup( outputTarget ) {\n\n\t\tthis._renderer.setRenderTarget( _oldTarget, _oldActiveCubeFace, _oldActiveMipmapLevel );\n\t\tthis._renderer.xr.enabled = _oldXrEnabled;\n\n\t\toutputTarget.scissorTest = false;\n\t\t_setViewport( outputTarget, 0, 0, outputTarget.width, outputTarget.height );\n\n\t}\n\n\t_fromTexture( texture, renderTarget ) {\n\n\t\tif ( texture.mapping === CubeReflectionMapping || texture.mapping === CubeRefractionMapping ) {\n\n\t\t\tthis._setSize( texture.image.length === 0 ? 16 : ( texture.image[ 0 ].width || texture.image[ 0 ].image.width ) );\n\n\t\t} else { // Equirectangular\n\n\t\t\tthis._setSize( texture.image.width / 4 );\n\n\t\t}\n\n\t\t_oldTarget = this._renderer.getRenderTarget();\n\t\t_oldActiveCubeFace = this._renderer.getActiveCubeFace();\n\t\t_oldActiveMipmapLevel = this._renderer.getActiveMipmapLevel();\n\t\t_oldXrEnabled = this._renderer.xr.enabled;\n\n\t\tthis._renderer.xr.enabled = false;\n\n\t\tconst cubeUVRenderTarget = renderTarget || this._allocateTargets();\n\t\tthis._textureToCubeUV( texture, cubeUVRenderTarget );\n\t\tthis._applyPMREM( cubeUVRenderTarget );\n\t\tthis._cleanup( cubeUVRenderTarget );\n\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t_allocateTargets() {\n\n\t\tconst width = 3 * Math.max( this._cubeSize, 16 * 7 );\n\t\tconst height = 4 * this._cubeSize;\n\n\t\tconst params = {\n\t\t\tmagFilter: LinearFilter,\n\t\t\tminFilter: LinearFilter,\n\t\t\tgenerateMipmaps: false,\n\t\t\ttype: HalfFloatType,\n\t\t\tformat: RGBAFormat,\n\t\t\tcolorSpace: LinearSRGBColorSpace,\n\t\t\tdepthBuffer: false\n\t\t};\n\n\t\tconst cubeUVRenderTarget = _createRenderTarget( width, height, params );\n\n\t\tif ( this._pingPongRenderTarget === null || this._pingPongRenderTarget.width !== width || this._pingPongRenderTarget.height !== height ) {\n\n\t\t\tif ( this._pingPongRenderTarget !== null ) {\n\n\t\t\t\tthis._dispose();\n\n\t\t\t}\n\n\t\t\tthis._pingPongRenderTarget = _createRenderTarget( width, height, params );\n\n\t\t\tconst { _lodMax } = this;\n\t\t\t( { sizeLods: this._sizeLods, lodPlanes: this._lodPlanes, sigmas: this._sigmas } = _createPlanes( _lodMax ) );\n\n\t\t\tthis._blurMaterial = _getBlurShader( _lodMax, width, height );\n\n\t\t}\n\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t_compileMaterial( material ) {\n\n\t\tconst tmpMesh = new Mesh( this._lodPlanes[ 0 ], material );\n\t\tthis._renderer.compile( tmpMesh, _flatCamera );\n\n\t}\n\n\t_sceneToCubeUV( scene, near, far, cubeUVRenderTarget ) {\n\n\t\tconst fov = 90;\n\t\tconst aspect = 1;\n\t\tconst cubeCamera = new PerspectiveCamera( fov, aspect, near, far );\n\t\tconst upSign = [ 1, - 1, 1, 1, 1, 1 ];\n\t\tconst forwardSign = [ 1, 1, 1, - 1, - 1, - 1 ];\n\t\tconst renderer = this._renderer;\n\n\t\tconst originalAutoClear = renderer.autoClear;\n\t\tconst toneMapping = renderer.toneMapping;\n\t\trenderer.getClearColor( _clearColor );\n\n\t\trenderer.toneMapping = NoToneMapping;\n\t\trenderer.autoClear = false;\n\n\t\tconst backgroundMaterial = new MeshBasicMaterial( {\n\t\t\tname: 'PMREM.Background',\n\t\t\tside: BackSide,\n\t\t\tdepthWrite: false,\n\t\t\tdepthTest: false,\n\t\t} );\n\n\t\tconst backgroundBox = new Mesh( new BoxGeometry(), backgroundMaterial );\n\n\t\tlet useSolidColor = false;\n\t\tconst background = scene.background;\n\n\t\tif ( background ) {\n\n\t\t\tif ( background.isColor ) {\n\n\t\t\t\tbackgroundMaterial.color.copy( background );\n\t\t\t\tscene.background = null;\n\t\t\t\tuseSolidColor = true;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tbackgroundMaterial.color.copy( _clearColor );\n\t\t\tuseSolidColor = true;\n\n\t\t}\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst col = i % 3;\n\n\t\t\tif ( col === 0 ) {\n\n\t\t\t\tcubeCamera.up.set( 0, upSign[ i ], 0 );\n\t\t\t\tcubeCamera.lookAt( forwardSign[ i ], 0, 0 );\n\n\t\t\t} else if ( col === 1 ) {\n\n\t\t\t\tcubeCamera.up.set( 0, 0, upSign[ i ] );\n\t\t\t\tcubeCamera.lookAt( 0, forwardSign[ i ], 0 );\n\n\t\t\t} else {\n\n\t\t\t\tcubeCamera.up.set( 0, upSign[ i ], 0 );\n\t\t\t\tcubeCamera.lookAt( 0, 0, forwardSign[ i ] );\n\n\t\t\t}\n\n\t\t\tconst size = this._cubeSize;\n\n\t\t\t_setViewport( cubeUVRenderTarget, col * size, i > 2 ? size : 0, size, size );\n\n\t\t\trenderer.setRenderTarget( cubeUVRenderTarget );\n\n\t\t\tif ( useSolidColor ) {\n\n\t\t\t\trenderer.render( backgroundBox, cubeCamera );\n\n\t\t\t}\n\n\t\t\trenderer.render( scene, cubeCamera );\n\n\t\t}\n\n\t\tbackgroundBox.geometry.dispose();\n\t\tbackgroundBox.material.dispose();\n\n\t\trenderer.toneMapping = toneMapping;\n\t\trenderer.autoClear = originalAutoClear;\n\t\tscene.background = background;\n\n\t}\n\n\t_textureToCubeUV( texture, cubeUVRenderTarget ) {\n\n\t\tconst renderer = this._renderer;\n\n\t\tconst isCubeTexture = ( texture.mapping === CubeReflectionMapping || texture.mapping === CubeRefractionMapping );\n\n\t\tif ( isCubeTexture ) {\n\n\t\t\tif ( this._cubemapMaterial === null ) {\n\n\t\t\t\tthis._cubemapMaterial = _getCubemapMaterial();\n\n\t\t\t}\n\n\t\t\tthis._cubemapMaterial.uniforms.flipEnvMap.value = ( texture.isRenderTargetTexture === false ) ? - 1 : 1;\n\n\t\t} else {\n\n\t\t\tif ( this._equirectMaterial === null ) {\n\n\t\t\t\tthis._equirectMaterial = _getEquirectMaterial();\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst material = isCubeTexture ? this._cubemapMaterial : this._equirectMaterial;\n\t\tconst mesh = new Mesh( this._lodPlanes[ 0 ], material );\n\n\t\tconst uniforms = material.uniforms;\n\n\t\tuniforms[ 'envMap' ].value = texture;\n\n\t\tconst size = this._cubeSize;\n\n\t\t_setViewport( cubeUVRenderTarget, 0, 0, 3 * size, 2 * size );\n\n\t\trenderer.setRenderTarget( cubeUVRenderTarget );\n\t\trenderer.render( mesh, _flatCamera );\n\n\t}\n\n\t_applyPMREM( cubeUVRenderTarget ) {\n\n\t\tconst renderer = this._renderer;\n\t\tconst autoClear = renderer.autoClear;\n\t\trenderer.autoClear = false;\n\t\tconst n = this._lodPlanes.length;\n\n\t\tfor ( let i = 1; i < n; i ++ ) {\n\n\t\t\tconst sigma = Math.sqrt( this._sigmas[ i ] * this._sigmas[ i ] - this._sigmas[ i - 1 ] * this._sigmas[ i - 1 ] );\n\n\t\t\tconst poleAxis = _axisDirections[ ( n - i - 1 ) % _axisDirections.length ];\n\n\t\t\tthis._blur( cubeUVRenderTarget, i - 1, i, sigma, poleAxis );\n\n\t\t}\n\n\t\trenderer.autoClear = autoClear;\n\n\t}\n\n\t/**\n\t * This is a two-pass Gaussian blur for a cubemap. Normally this is done\n\t * vertically and horizontally, but this breaks down on a cube. Here we apply\n\t * the blur latitudinally (around the poles), and then longitudinally (towards\n\t * the poles) to approximate the orthogonally-separable blur. It is least\n\t * accurate at the poles, but still does a decent job.\n\t *\n\t * @param {WebGLRenderTarget} cubeUVRenderTarget\n\t * @param {number} lodIn\n\t * @param {number} lodOut\n\t * @param {number} sigma\n\t * @param {Vector3} [poleAxis]\n\t */\n\t_blur( cubeUVRenderTarget, lodIn, lodOut, sigma, poleAxis ) {\n\n\t\tconst pingPongRenderTarget = this._pingPongRenderTarget;\n\n\t\tthis._halfBlur(\n\t\t\tcubeUVRenderTarget,\n\t\t\tpingPongRenderTarget,\n\t\t\tlodIn,\n\t\t\tlodOut,\n\t\t\tsigma,\n\t\t\t'latitudinal',\n\t\t\tpoleAxis );\n\n\t\tthis._halfBlur(\n\t\t\tpingPongRenderTarget,\n\t\t\tcubeUVRenderTarget,\n\t\t\tlodOut,\n\t\t\tlodOut,\n\t\t\tsigma,\n\t\t\t'longitudinal',\n\t\t\tpoleAxis );\n\n\t}\n\n\t_halfBlur( targetIn, targetOut, lodIn, lodOut, sigmaRadians, direction, poleAxis ) {\n\n\t\tconst renderer = this._renderer;\n\t\tconst blurMaterial = this._blurMaterial;\n\n\t\tif ( direction !== 'latitudinal' && direction !== 'longitudinal' ) {\n\n\t\t\tconsole.error(\n\t\t\t\t'blur direction must be either latitudinal or longitudinal!' );\n\n\t\t}\n\n\t\t// Number of standard deviations at which to cut off the discrete approximation.\n\t\tconst STANDARD_DEVIATIONS = 3;\n\n\t\tconst blurMesh = new Mesh( this._lodPlanes[ lodOut ], blurMaterial );\n\t\tconst blurUniforms = blurMaterial.uniforms;\n\n\t\tconst pixels = this._sizeLods[ lodIn ] - 1;\n\t\tconst radiansPerPixel = isFinite( sigmaRadians ) ? Math.PI / ( 2 * pixels ) : 2 * Math.PI / ( 2 * MAX_SAMPLES - 1 );\n\t\tconst sigmaPixels = sigmaRadians / radiansPerPixel;\n\t\tconst samples = isFinite( sigmaRadians ) ? 1 + Math.floor( STANDARD_DEVIATIONS * sigmaPixels ) : MAX_SAMPLES;\n\n\t\tif ( samples > MAX_SAMPLES ) {\n\n\t\t\tconsole.warn( `sigmaRadians, ${\n\t\t\t\tsigmaRadians}, is too large and will clip, as it requested ${\n\t\t\t\tsamples} samples when the maximum is set to ${MAX_SAMPLES}` );\n\n\t\t}\n\n\t\tconst weights = [];\n\t\tlet sum = 0;\n\n\t\tfor ( let i = 0; i < MAX_SAMPLES; ++ i ) {\n\n\t\t\tconst x = i / sigmaPixels;\n\t\t\tconst weight = Math.exp( - x * x / 2 );\n\t\t\tweights.push( weight );\n\n\t\t\tif ( i === 0 ) {\n\n\t\t\t\tsum += weight;\n\n\t\t\t} else if ( i < samples ) {\n\n\t\t\t\tsum += 2 * weight;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfor ( let i = 0; i < weights.length; i ++ ) {\n\n\t\t\tweights[ i ] = weights[ i ] / sum;\n\n\t\t}\n\n\t\tblurUniforms[ 'envMap' ].value = targetIn.texture;\n\t\tblurUniforms[ 'samples' ].value = samples;\n\t\tblurUniforms[ 'weights' ].value = weights;\n\t\tblurUniforms[ 'latitudinal' ].value = direction === 'latitudinal';\n\n\t\tif ( poleAxis ) {\n\n\t\t\tblurUniforms[ 'poleAxis' ].value = poleAxis;\n\n\t\t}\n\n\t\tconst { _lodMax } = this;\n\t\tblurUniforms[ 'dTheta' ].value = radiansPerPixel;\n\t\tblurUniforms[ 'mipInt' ].value = _lodMax - lodIn;\n\n\t\tconst outputSize = this._sizeLods[ lodOut ];\n\t\tconst x = 3 * outputSize * ( lodOut > _lodMax - LOD_MIN ? lodOut - _lodMax + LOD_MIN : 0 );\n\t\tconst y = 4 * ( this._cubeSize - outputSize );\n\n\t\t_setViewport( targetOut, x, y, 3 * outputSize, 2 * outputSize );\n\t\trenderer.setRenderTarget( targetOut );\n\t\trenderer.render( blurMesh, _flatCamera );\n\n\t}\n\n}\n\n\n\nfunction _createPlanes( lodMax ) {\n\n\tconst lodPlanes = [];\n\tconst sizeLods = [];\n\tconst sigmas = [];\n\n\tlet lod = lodMax;\n\n\tconst totalLods = lodMax - LOD_MIN + 1 + EXTRA_LOD_SIGMA.length;\n\n\tfor ( let i = 0; i < totalLods; i ++ ) {\n\n\t\tconst sizeLod = Math.pow( 2, lod );\n\t\tsizeLods.push( sizeLod );\n\t\tlet sigma = 1.0 / sizeLod;\n\n\t\tif ( i > lodMax - LOD_MIN ) {\n\n\t\t\tsigma = EXTRA_LOD_SIGMA[ i - lodMax + LOD_MIN - 1 ];\n\n\t\t} else if ( i === 0 ) {\n\n\t\t\tsigma = 0;\n\n\t\t}\n\n\t\tsigmas.push( sigma );\n\n\t\tconst texelSize = 1.0 / ( sizeLod - 2 );\n\t\tconst min = - texelSize;\n\t\tconst max = 1 + texelSize;\n\t\tconst uv1 = [ min, min, max, min, max, max, min, min, max, max, min, max ];\n\n\t\tconst cubeFaces = 6;\n\t\tconst vertices = 6;\n\t\tconst positionSize = 3;\n\t\tconst uvSize = 2;\n\t\tconst faceIndexSize = 1;\n\n\t\tconst position = new Float32Array( positionSize * vertices * cubeFaces );\n\t\tconst uv = new Float32Array( uvSize * vertices * cubeFaces );\n\t\tconst faceIndex = new Float32Array( faceIndexSize * vertices * cubeFaces );\n\n\t\tfor ( let face = 0; face < cubeFaces; face ++ ) {\n\n\t\t\tconst x = ( face % 3 ) * 2 / 3 - 1;\n\t\t\tconst y = face > 2 ? 0 : - 1;\n\t\t\tconst coordinates = [\n\t\t\t\tx, y, 0,\n\t\t\t\tx + 2 / 3, y, 0,\n\t\t\t\tx + 2 / 3, y + 1, 0,\n\t\t\t\tx, y, 0,\n\t\t\t\tx + 2 / 3, y + 1, 0,\n\t\t\t\tx, y + 1, 0\n\t\t\t];\n\t\t\tposition.set( coordinates, positionSize * vertices * face );\n\t\t\tuv.set( uv1, uvSize * vertices * face );\n\t\t\tconst fill = [ face, face, face, face, face, face ];\n\t\t\tfaceIndex.set( fill, faceIndexSize * vertices * face );\n\n\t\t}\n\n\t\tconst planes = new BufferGeometry();\n\t\tplanes.setAttribute( 'position', new BufferAttribute( position, positionSize ) );\n\t\tplanes.setAttribute( 'uv', new BufferAttribute( uv, uvSize ) );\n\t\tplanes.setAttribute( 'faceIndex', new BufferAttribute( faceIndex, faceIndexSize ) );\n\t\tlodPlanes.push( planes );\n\n\t\tif ( lod > LOD_MIN ) {\n\n\t\t\tlod --;\n\n\t\t}\n\n\t}\n\n\treturn { lodPlanes, sizeLods, sigmas };\n\n}\n\nfunction _createRenderTarget( width, height, params ) {\n\n\tconst cubeUVRenderTarget = new WebGLRenderTarget( width, height, params );\n\tcubeUVRenderTarget.texture.mapping = CubeUVReflectionMapping;\n\tcubeUVRenderTarget.texture.name = 'PMREM.cubeUv';\n\tcubeUVRenderTarget.scissorTest = true;\n\treturn cubeUVRenderTarget;\n\n}\n\nfunction _setViewport( target, x, y, width, height ) {\n\n\ttarget.viewport.set( x, y, width, height );\n\ttarget.scissor.set( x, y, width, height );\n\n}\n\nfunction _getBlurShader( lodMax, width, height ) {\n\n\tconst weights = new Float32Array( MAX_SAMPLES );\n\tconst poleAxis = new Vector3( 0, 1, 0 );\n\tconst shaderMaterial = new ShaderMaterial( {\n\n\t\tname: 'SphericalGaussianBlur',\n\n\t\tdefines: {\n\t\t\t'n': MAX_SAMPLES,\n\t\t\t'CUBEUV_TEXEL_WIDTH': 1.0 / width,\n\t\t\t'CUBEUV_TEXEL_HEIGHT': 1.0 / height,\n\t\t\t'CUBEUV_MAX_MIP': `${lodMax}.0`,\n\t\t},\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null },\n\t\t\t'samples': { value: 1 },\n\t\t\t'weights': { value: weights },\n\t\t\t'latitudinal': { value: false },\n\t\t\t'dTheta': { value: 0 },\n\t\t\t'mipInt': { value: 0 },\n\t\t\t'poleAxis': { value: poleAxis }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include \n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n\treturn shaderMaterial;\n\n}\n\nfunction _getEquirectMaterial() {\n\n\treturn new ShaderMaterial( {\n\n\t\tname: 'EquirectangularToCubeUV',\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\n\t\t\t#include \n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tgl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 );\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n}\n\nfunction _getCubemapMaterial() {\n\n\treturn new ShaderMaterial( {\n\n\t\tname: 'CubemapToCubeUV',\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null },\n\t\t\t'flipEnvMap': { value: - 1 }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tuniform float flipEnvMap;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) );\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n}\n\nfunction _getCommonVertexShader() {\n\n\treturn /* glsl */`\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t`;\n\n}\n\nfunction WebGLCubeUVMaps( renderer ) {\n\n\tlet cubeUVmaps = new WeakMap();\n\n\tlet pmremGenerator = null;\n\n\tfunction get( texture ) {\n\n\t\tif ( texture && texture.isTexture ) {\n\n\t\t\tconst mapping = texture.mapping;\n\n\t\t\tconst isEquirectMap = ( mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping );\n\t\t\tconst isCubeMap = ( mapping === CubeReflectionMapping || mapping === CubeRefractionMapping );\n\n\t\t\t// equirect/cube map to cubeUV conversion\n\n\t\t\tif ( isEquirectMap || isCubeMap ) {\n\n\t\t\t\tlet renderTarget = cubeUVmaps.get( texture );\n\n\t\t\t\tconst currentPMREMVersion = renderTarget !== undefined ? renderTarget.texture.pmremVersion : 0;\n\n\t\t\t\tif ( texture.isRenderTargetTexture && texture.pmremVersion !== currentPMREMVersion ) {\n\n\t\t\t\t\tif ( pmremGenerator === null ) pmremGenerator = new PMREMGenerator( renderer );\n\n\t\t\t\t\trenderTarget = isEquirectMap ? pmremGenerator.fromEquirectangular( texture, renderTarget ) : pmremGenerator.fromCubemap( texture, renderTarget );\n\t\t\t\t\trenderTarget.texture.pmremVersion = texture.pmremVersion;\n\n\t\t\t\t\tcubeUVmaps.set( texture, renderTarget );\n\n\t\t\t\t\treturn renderTarget.texture;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( renderTarget !== undefined ) {\n\n\t\t\t\t\t\treturn renderTarget.texture;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst image = texture.image;\n\n\t\t\t\t\t\tif ( ( isEquirectMap && image && image.height > 0 ) || ( isCubeMap && image && isCubeTextureComplete( image ) ) ) {\n\n\t\t\t\t\t\t\tif ( pmremGenerator === null ) pmremGenerator = new PMREMGenerator( renderer );\n\n\t\t\t\t\t\t\trenderTarget = isEquirectMap ? pmremGenerator.fromEquirectangular( texture ) : pmremGenerator.fromCubemap( texture );\n\t\t\t\t\t\t\trenderTarget.texture.pmremVersion = texture.pmremVersion;\n\n\t\t\t\t\t\t\tcubeUVmaps.set( texture, renderTarget );\n\n\t\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\t\treturn renderTarget.texture;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// image not yet ready. try the conversion next frame\n\n\t\t\t\t\t\t\treturn null;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction isCubeTextureComplete( image ) {\n\n\t\tlet count = 0;\n\t\tconst length = 6;\n\n\t\tfor ( let i = 0; i < length; i ++ ) {\n\n\t\t\tif ( image[ i ] !== undefined ) count ++;\n\n\t\t}\n\n\t\treturn count === length;\n\n\n\t}\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tconst cubemapUV = cubeUVmaps.get( texture );\n\n\t\tif ( cubemapUV !== undefined ) {\n\n\t\t\tcubeUVmaps.delete( texture );\n\t\t\tcubemapUV.dispose();\n\n\t\t}\n\n\t}\n\n\tfunction dispose() {\n\n\t\tcubeUVmaps = new WeakMap();\n\n\t\tif ( pmremGenerator !== null ) {\n\n\t\t\tpmremGenerator.dispose();\n\t\t\tpmremGenerator = null;\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction WebGLExtensions( gl ) {\n\n\tconst extensions = {};\n\n\tfunction getExtension( name ) {\n\n\t\tif ( extensions[ name ] !== undefined ) {\n\n\t\t\treturn extensions[ name ];\n\n\t\t}\n\n\t\tlet extension;\n\n\t\tswitch ( name ) {\n\n\t\t\tcase 'WEBGL_depth_texture':\n\t\t\t\textension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' );\n\t\t\t\tbreak;\n\n\t\t\tcase 'EXT_texture_filter_anisotropic':\n\t\t\t\textension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' );\n\t\t\t\tbreak;\n\n\t\t\tcase 'WEBGL_compressed_texture_s3tc':\n\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' );\n\t\t\t\tbreak;\n\n\t\t\tcase 'WEBGL_compressed_texture_pvrtc':\n\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' );\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\textension = gl.getExtension( name );\n\n\t\t}\n\n\t\textensions[ name ] = extension;\n\n\t\treturn extension;\n\n\t}\n\n\treturn {\n\n\t\thas: function ( name ) {\n\n\t\t\treturn getExtension( name ) !== null;\n\n\t\t},\n\n\t\tinit: function () {\n\n\t\t\tgetExtension( 'EXT_color_buffer_float' );\n\t\t\tgetExtension( 'WEBGL_clip_cull_distance' );\n\t\t\tgetExtension( 'OES_texture_float_linear' );\n\t\t\tgetExtension( 'EXT_color_buffer_half_float' );\n\t\t\tgetExtension( 'WEBGL_multisampled_render_to_texture' );\n\t\t\tgetExtension( 'WEBGL_render_shared_exponent' );\n\n\t\t},\n\n\t\tget: function ( name ) {\n\n\t\t\tconst extension = getExtension( name );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\twarnOnce( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' );\n\n\t\t\t}\n\n\t\t\treturn extension;\n\n\t\t}\n\n\t};\n\n}\n\nfunction WebGLGeometries( gl, attributes, info, bindingStates ) {\n\n\tconst geometries = {};\n\tconst wireframeAttributes = new WeakMap();\n\n\tfunction onGeometryDispose( event ) {\n\n\t\tconst geometry = event.target;\n\n\t\tif ( geometry.index !== null ) {\n\n\t\t\tattributes.remove( geometry.index );\n\n\t\t}\n\n\t\tfor ( const name in geometry.attributes ) {\n\n\t\t\tattributes.remove( geometry.attributes[ name ] );\n\n\t\t}\n\n\t\tgeometry.removeEventListener( 'dispose', onGeometryDispose );\n\n\t\tdelete geometries[ geometry.id ];\n\n\t\tconst attribute = wireframeAttributes.get( geometry );\n\n\t\tif ( attribute ) {\n\n\t\t\tattributes.remove( attribute );\n\t\t\twireframeAttributes.delete( geometry );\n\n\t\t}\n\n\t\tbindingStates.releaseStatesOfGeometry( geometry );\n\n\t\tif ( geometry.isInstancedBufferGeometry === true ) {\n\n\t\t\tdelete geometry._maxInstanceCount;\n\n\t\t}\n\n\t\t//\n\n\t\tinfo.memory.geometries --;\n\n\t}\n\n\tfunction get( object, geometry ) {\n\n\t\tif ( geometries[ geometry.id ] === true ) return geometry;\n\n\t\tgeometry.addEventListener( 'dispose', onGeometryDispose );\n\n\t\tgeometries[ geometry.id ] = true;\n\n\t\tinfo.memory.geometries ++;\n\n\t\treturn geometry;\n\n\t}\n\n\tfunction update( geometry ) {\n\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\t// Updating index buffer in VAO now. See WebGLBindingStates.\n\n\t\tfor ( const name in geometryAttributes ) {\n\n\t\t\tattributes.update( geometryAttributes[ name ], gl.ARRAY_BUFFER );\n\n\t\t}\n\n\t}\n\n\tfunction updateWireframeAttribute( geometry ) {\n\n\t\tconst indices = [];\n\n\t\tconst geometryIndex = geometry.index;\n\t\tconst geometryPosition = geometry.attributes.position;\n\t\tlet version = 0;\n\n\t\tif ( geometryIndex !== null ) {\n\n\t\t\tconst array = geometryIndex.array;\n\t\t\tversion = geometryIndex.version;\n\n\t\t\tfor ( let i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\tconst a = array[ i + 0 ];\n\t\t\t\tconst b = array[ i + 1 ];\n\t\t\t\tconst c = array[ i + 2 ];\n\n\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t}\n\n\t\t} else if ( geometryPosition !== undefined ) {\n\n\t\t\tconst array = geometryPosition.array;\n\t\t\tversion = geometryPosition.version;\n\n\t\t\tfor ( let i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) {\n\n\t\t\t\tconst a = i + 0;\n\t\t\t\tconst b = i + 1;\n\t\t\t\tconst c = i + 2;\n\n\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst attribute = new ( arrayNeedsUint32( indices ) ? Uint32BufferAttribute : Uint16BufferAttribute )( indices, 1 );\n\t\tattribute.version = version;\n\n\t\t// Updating index buffer in VAO now. See WebGLBindingStates\n\n\t\t//\n\n\t\tconst previousAttribute = wireframeAttributes.get( geometry );\n\n\t\tif ( previousAttribute ) attributes.remove( previousAttribute );\n\n\t\t//\n\n\t\twireframeAttributes.set( geometry, attribute );\n\n\t}\n\n\tfunction getWireframeAttribute( geometry ) {\n\n\t\tconst currentAttribute = wireframeAttributes.get( geometry );\n\n\t\tif ( currentAttribute ) {\n\n\t\t\tconst geometryIndex = geometry.index;\n\n\t\t\tif ( geometryIndex !== null ) {\n\n\t\t\t\t// if the attribute is obsolete, create a new one\n\n\t\t\t\tif ( currentAttribute.version < geometryIndex.version ) {\n\n\t\t\t\t\tupdateWireframeAttribute( geometry );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tupdateWireframeAttribute( geometry );\n\n\t\t}\n\n\t\treturn wireframeAttributes.get( geometry );\n\n\t}\n\n\treturn {\n\n\t\tget: get,\n\t\tupdate: update,\n\n\t\tgetWireframeAttribute: getWireframeAttribute\n\n\t};\n\n}\n\nfunction WebGLIndexedBufferRenderer( gl, extensions, info ) {\n\n\tlet mode;\n\n\tfunction setMode( value ) {\n\n\t\tmode = value;\n\n\t}\n\n\tlet type, bytesPerElement;\n\n\tfunction setIndex( value ) {\n\n\t\ttype = value.type;\n\t\tbytesPerElement = value.bytesPerElement;\n\n\t}\n\n\tfunction render( start, count ) {\n\n\t\tgl.drawElements( mode, count, type, start * bytesPerElement );\n\n\t\tinfo.update( count, mode, 1 );\n\n\t}\n\n\tfunction renderInstances( start, count, primcount ) {\n\n\t\tif ( primcount === 0 ) return;\n\n\t\tgl.drawElementsInstanced( mode, count, type, start * bytesPerElement, primcount );\n\n\t\tinfo.update( count, mode, primcount );\n\n\t}\n\n\tfunction renderMultiDraw( starts, counts, drawCount ) {\n\n\t\tif ( drawCount === 0 ) return;\n\n\t\tconst extension = extensions.get( 'WEBGL_multi_draw' );\n\t\textension.multiDrawElementsWEBGL( mode, counts, 0, type, starts, 0, drawCount );\n\n\t\tlet elementCount = 0;\n\t\tfor ( let i = 0; i < drawCount; i ++ ) {\n\n\t\t\telementCount += counts[ i ];\n\n\t\t}\n\n\t\tinfo.update( elementCount, mode, 1 );\n\n\n\t}\n\n\tfunction renderMultiDrawInstances( starts, counts, drawCount, primcount ) {\n\n\t\tif ( drawCount === 0 ) return;\n\n\t\tconst extension = extensions.get( 'WEBGL_multi_draw' );\n\n\t\tif ( extension === null ) {\n\n\t\t\tfor ( let i = 0; i < starts.length; i ++ ) {\n\n\t\t\t\trenderInstances( starts[ i ] / bytesPerElement, counts[ i ], primcount[ i ] );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\textension.multiDrawElementsInstancedWEBGL( mode, counts, 0, type, starts, 0, primcount, 0, drawCount );\n\n\t\t\tlet elementCount = 0;\n\t\t\tfor ( let i = 0; i < drawCount; i ++ ) {\n\n\t\t\t\telementCount += counts[ i ] * primcount[ i ];\n\n\t\t\t}\n\n\t\t\tinfo.update( elementCount, mode, 1 );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tthis.setMode = setMode;\n\tthis.setIndex = setIndex;\n\tthis.render = render;\n\tthis.renderInstances = renderInstances;\n\tthis.renderMultiDraw = renderMultiDraw;\n\tthis.renderMultiDrawInstances = renderMultiDrawInstances;\n\n}\n\nfunction WebGLInfo( gl ) {\n\n\tconst memory = {\n\t\tgeometries: 0,\n\t\ttextures: 0\n\t};\n\n\tconst render = {\n\t\tframe: 0,\n\t\tcalls: 0,\n\t\ttriangles: 0,\n\t\tpoints: 0,\n\t\tlines: 0\n\t};\n\n\tfunction update( count, mode, instanceCount ) {\n\n\t\trender.calls ++;\n\n\t\tswitch ( mode ) {\n\n\t\t\tcase gl.TRIANGLES:\n\t\t\t\trender.triangles += instanceCount * ( count / 3 );\n\t\t\t\tbreak;\n\n\t\t\tcase gl.LINES:\n\t\t\t\trender.lines += instanceCount * ( count / 2 );\n\t\t\t\tbreak;\n\n\t\t\tcase gl.LINE_STRIP:\n\t\t\t\trender.lines += instanceCount * ( count - 1 );\n\t\t\t\tbreak;\n\n\t\t\tcase gl.LINE_LOOP:\n\t\t\t\trender.lines += instanceCount * count;\n\t\t\t\tbreak;\n\n\t\t\tcase gl.POINTS:\n\t\t\t\trender.points += instanceCount * count;\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tconsole.error( 'THREE.WebGLInfo: Unknown draw mode:', mode );\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\tfunction reset() {\n\n\t\trender.calls = 0;\n\t\trender.triangles = 0;\n\t\trender.points = 0;\n\t\trender.lines = 0;\n\n\t}\n\n\treturn {\n\t\tmemory: memory,\n\t\trender: render,\n\t\tprograms: null,\n\t\tautoReset: true,\n\t\treset: reset,\n\t\tupdate: update\n\t};\n\n}\n\nfunction WebGLMorphtargets( gl, capabilities, textures ) {\n\n\tconst morphTextures = new WeakMap();\n\tconst morph = new Vector4();\n\n\tfunction update( object, geometry, program ) {\n\n\t\tconst objectInfluences = object.morphTargetInfluences;\n\n\t\t// the following encodes morph targets into an array of data textures. Each layer represents a single morph target.\n\n\t\tconst morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color;\n\t\tconst morphTargetsCount = ( morphAttribute !== undefined ) ? morphAttribute.length : 0;\n\n\t\tlet entry = morphTextures.get( geometry );\n\n\t\tif ( entry === undefined || entry.count !== morphTargetsCount ) {\n\n\t\t\tif ( entry !== undefined ) entry.texture.dispose();\n\n\t\t\tconst hasMorphPosition = geometry.morphAttributes.position !== undefined;\n\t\t\tconst hasMorphNormals = geometry.morphAttributes.normal !== undefined;\n\t\t\tconst hasMorphColors = geometry.morphAttributes.color !== undefined;\n\n\t\t\tconst morphTargets = geometry.morphAttributes.position || [];\n\t\t\tconst morphNormals = geometry.morphAttributes.normal || [];\n\t\t\tconst morphColors = geometry.morphAttributes.color || [];\n\n\t\t\tlet vertexDataCount = 0;\n\n\t\t\tif ( hasMorphPosition === true ) vertexDataCount = 1;\n\t\t\tif ( hasMorphNormals === true ) vertexDataCount = 2;\n\t\t\tif ( hasMorphColors === true ) vertexDataCount = 3;\n\n\t\t\tlet width = geometry.attributes.position.count * vertexDataCount;\n\t\t\tlet height = 1;\n\n\t\t\tif ( width > capabilities.maxTextureSize ) {\n\n\t\t\t\theight = Math.ceil( width / capabilities.maxTextureSize );\n\t\t\t\twidth = capabilities.maxTextureSize;\n\n\t\t\t}\n\n\t\t\tconst buffer = new Float32Array( width * height * 4 * morphTargetsCount );\n\n\t\t\tconst texture = new DataArrayTexture( buffer, width, height, morphTargetsCount );\n\t\t\ttexture.type = FloatType;\n\t\t\ttexture.needsUpdate = true;\n\n\t\t\t// fill buffer\n\n\t\t\tconst vertexDataStride = vertexDataCount * 4;\n\n\t\t\tfor ( let i = 0; i < morphTargetsCount; i ++ ) {\n\n\t\t\t\tconst morphTarget = morphTargets[ i ];\n\t\t\t\tconst morphNormal = morphNormals[ i ];\n\t\t\t\tconst morphColor = morphColors[ i ];\n\n\t\t\t\tconst offset = width * height * 4 * i;\n\n\t\t\t\tfor ( let j = 0; j < morphTarget.count; j ++ ) {\n\n\t\t\t\t\tconst stride = j * vertexDataStride;\n\n\t\t\t\t\tif ( hasMorphPosition === true ) {\n\n\t\t\t\t\t\tmorph.fromBufferAttribute( morphTarget, j );\n\n\t\t\t\t\t\tbuffer[ offset + stride + 0 ] = morph.x;\n\t\t\t\t\t\tbuffer[ offset + stride + 1 ] = morph.y;\n\t\t\t\t\t\tbuffer[ offset + stride + 2 ] = morph.z;\n\t\t\t\t\t\tbuffer[ offset + stride + 3 ] = 0;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( hasMorphNormals === true ) {\n\n\t\t\t\t\t\tmorph.fromBufferAttribute( morphNormal, j );\n\n\t\t\t\t\t\tbuffer[ offset + stride + 4 ] = morph.x;\n\t\t\t\t\t\tbuffer[ offset + stride + 5 ] = morph.y;\n\t\t\t\t\t\tbuffer[ offset + stride + 6 ] = morph.z;\n\t\t\t\t\t\tbuffer[ offset + stride + 7 ] = 0;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( hasMorphColors === true ) {\n\n\t\t\t\t\t\tmorph.fromBufferAttribute( morphColor, j );\n\n\t\t\t\t\t\tbuffer[ offset + stride + 8 ] = morph.x;\n\t\t\t\t\t\tbuffer[ offset + stride + 9 ] = morph.y;\n\t\t\t\t\t\tbuffer[ offset + stride + 10 ] = morph.z;\n\t\t\t\t\t\tbuffer[ offset + stride + 11 ] = ( morphColor.itemSize === 4 ) ? morph.w : 1;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tentry = {\n\t\t\t\tcount: morphTargetsCount,\n\t\t\t\ttexture: texture,\n\t\t\t\tsize: new Vector2( width, height )\n\t\t\t};\n\n\t\t\tmorphTextures.set( geometry, entry );\n\n\t\t\tfunction disposeTexture() {\n\n\t\t\t\ttexture.dispose();\n\n\t\t\t\tmorphTextures.delete( geometry );\n\n\t\t\t\tgeometry.removeEventListener( 'dispose', disposeTexture );\n\n\t\t\t}\n\n\t\t\tgeometry.addEventListener( 'dispose', disposeTexture );\n\n\t\t}\n\n\t\t//\n\t\tif ( object.isInstancedMesh === true && object.morphTexture !== null ) {\n\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTexture', object.morphTexture, textures );\n\n\t\t} else {\n\n\t\t\tlet morphInfluencesSum = 0;\n\n\t\t\tfor ( let i = 0; i < objectInfluences.length; i ++ ) {\n\n\t\t\t\tmorphInfluencesSum += objectInfluences[ i ];\n\n\t\t\t}\n\n\t\t\tconst morphBaseInfluence = geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum;\n\n\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetBaseInfluence', morphBaseInfluence );\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetInfluences', objectInfluences );\n\n\t\t}\n\n\t\tprogram.getUniforms().setValue( gl, 'morphTargetsTexture', entry.texture, textures );\n\t\tprogram.getUniforms().setValue( gl, 'morphTargetsTextureSize', entry.size );\n\n\t}\n\n\treturn {\n\n\t\tupdate: update\n\n\t};\n\n}\n\nfunction WebGLObjects( gl, geometries, attributes, info ) {\n\n\tlet updateMap = new WeakMap();\n\n\tfunction update( object ) {\n\n\t\tconst frame = info.render.frame;\n\n\t\tconst geometry = object.geometry;\n\t\tconst buffergeometry = geometries.get( object, geometry );\n\n\t\t// Update once per frame\n\n\t\tif ( updateMap.get( buffergeometry ) !== frame ) {\n\n\t\t\tgeometries.update( buffergeometry );\n\n\t\t\tupdateMap.set( buffergeometry, frame );\n\n\t\t}\n\n\t\tif ( object.isInstancedMesh ) {\n\n\t\t\tif ( object.hasEventListener( 'dispose', onInstancedMeshDispose ) === false ) {\n\n\t\t\t\tobject.addEventListener( 'dispose', onInstancedMeshDispose );\n\n\t\t\t}\n\n\t\t\tif ( updateMap.get( object ) !== frame ) {\n\n\t\t\t\tattributes.update( object.instanceMatrix, gl.ARRAY_BUFFER );\n\n\t\t\t\tif ( object.instanceColor !== null ) {\n\n\t\t\t\t\tattributes.update( object.instanceColor, gl.ARRAY_BUFFER );\n\n\t\t\t\t}\n\n\t\t\t\tupdateMap.set( object, frame );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\tconst skeleton = object.skeleton;\n\n\t\t\tif ( updateMap.get( skeleton ) !== frame ) {\n\n\t\t\t\tskeleton.update();\n\n\t\t\t\tupdateMap.set( skeleton, frame );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn buffergeometry;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tupdateMap = new WeakMap();\n\n\t}\n\n\tfunction onInstancedMeshDispose( event ) {\n\n\t\tconst instancedMesh = event.target;\n\n\t\tinstancedMesh.removeEventListener( 'dispose', onInstancedMeshDispose );\n\n\t\tattributes.remove( instancedMesh.instanceMatrix );\n\n\t\tif ( instancedMesh.instanceColor !== null ) attributes.remove( instancedMesh.instanceColor );\n\n\t}\n\n\treturn {\n\n\t\tupdate: update,\n\t\tdispose: dispose\n\n\t};\n\n}\n\n/**\n * Uniforms of a program.\n * Those form a tree structure with a special top-level container for the root,\n * which you get by calling 'new WebGLUniforms( gl, program )'.\n *\n *\n * Properties of inner nodes including the top-level container:\n *\n * .seq - array of nested uniforms\n * .map - nested uniforms by name\n *\n *\n * Methods of all nodes except the top-level container:\n *\n * .setValue( gl, value, [textures] )\n *\n * \t\tuploads a uniform value(s)\n * \tthe 'textures' parameter is needed for sampler uniforms\n *\n *\n * Static methods of the top-level container (textures factorizations):\n *\n * .upload( gl, seq, values, textures )\n *\n * \t\tsets uniforms in 'seq' to 'values[id].value'\n *\n * .seqWithValue( seq, values ) : filteredSeq\n *\n * \t\tfilters 'seq' entries with corresponding entry in values\n *\n *\n * Methods of the top-level container (textures factorizations):\n *\n * .setValue( gl, name, value, textures )\n *\n * \t\tsets uniform with name 'name' to 'value'\n *\n * .setOptional( gl, obj, prop )\n *\n * \t\tlike .set for an optional property of the object\n *\n */\n\n\nconst emptyTexture = /*@__PURE__*/ new Texture();\n\nconst emptyShadowTexture = /*@__PURE__*/ new DepthTexture( 1, 1 );\n\nconst emptyArrayTexture = /*@__PURE__*/ new DataArrayTexture();\nconst empty3dTexture = /*@__PURE__*/ new Data3DTexture();\nconst emptyCubeTexture = /*@__PURE__*/ new CubeTexture();\n\n// --- Utilities ---\n\n// Array Caches (provide typed arrays for temporary by size)\n\nconst arrayCacheF32 = [];\nconst arrayCacheI32 = [];\n\n// Float32Array caches used for uploading Matrix uniforms\n\nconst mat4array = new Float32Array( 16 );\nconst mat3array = new Float32Array( 9 );\nconst mat2array = new Float32Array( 4 );\n\n// Flattening for arrays of vectors and matrices\n\nfunction flatten( array, nBlocks, blockSize ) {\n\n\tconst firstElem = array[ 0 ];\n\n\tif ( firstElem <= 0 || firstElem > 0 ) return array;\n\t// unoptimized: ! isNaN( firstElem )\n\t// see http://jacksondunstan.com/articles/983\n\n\tconst n = nBlocks * blockSize;\n\tlet r = arrayCacheF32[ n ];\n\n\tif ( r === undefined ) {\n\n\t\tr = new Float32Array( n );\n\t\tarrayCacheF32[ n ] = r;\n\n\t}\n\n\tif ( nBlocks !== 0 ) {\n\n\t\tfirstElem.toArray( r, 0 );\n\n\t\tfor ( let i = 1, offset = 0; i !== nBlocks; ++ i ) {\n\n\t\t\toffset += blockSize;\n\t\t\tarray[ i ].toArray( r, offset );\n\n\t\t}\n\n\t}\n\n\treturn r;\n\n}\n\nfunction arraysEqual( a, b ) {\n\n\tif ( a.length !== b.length ) return false;\n\n\tfor ( let i = 0, l = a.length; i < l; i ++ ) {\n\n\t\tif ( a[ i ] !== b[ i ] ) return false;\n\n\t}\n\n\treturn true;\n\n}\n\nfunction copyArray( a, b ) {\n\n\tfor ( let i = 0, l = b.length; i < l; i ++ ) {\n\n\t\ta[ i ] = b[ i ];\n\n\t}\n\n}\n\n// Texture unit allocation\n\nfunction allocTexUnits( textures, n ) {\n\n\tlet r = arrayCacheI32[ n ];\n\n\tif ( r === undefined ) {\n\n\t\tr = new Int32Array( n );\n\t\tarrayCacheI32[ n ] = r;\n\n\t}\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\tr[ i ] = textures.allocateTextureUnit();\n\n\t}\n\n\treturn r;\n\n}\n\n// --- Setters ---\n\n// Note: Defining these methods externally, because they come in a bunch\n// and this way their names minify.\n\n// Single scalar\n\nfunction setValueV1f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1f( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single float vector (from flat array or THREE.VectorN)\n\nfunction setValueV2f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y ) {\n\n\t\t\tgl.uniform2f( this.addr, v.x, v.y );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform2fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV3f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z ) {\n\n\t\t\tgl.uniform3f( this.addr, v.x, v.y, v.z );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\n\t\t}\n\n\t} else if ( v.r !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.r || cache[ 1 ] !== v.g || cache[ 2 ] !== v.b ) {\n\n\t\t\tgl.uniform3f( this.addr, v.r, v.g, v.b );\n\n\t\t\tcache[ 0 ] = v.r;\n\t\t\tcache[ 1 ] = v.g;\n\t\t\tcache[ 2 ] = v.b;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform3fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV4f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z || cache[ 3 ] !== v.w ) {\n\n\t\t\tgl.uniform4f( this.addr, v.x, v.y, v.z, v.w );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\t\t\tcache[ 3 ] = v.w;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform4fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\n// Single matrix (from flat array or THREE.MatrixN)\n\nfunction setValueM2( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix2fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat2array.set( elements );\n\n\t\tgl.uniformMatrix2fv( this.addr, false, mat2array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\nfunction setValueM3( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix3fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat3array.set( elements );\n\n\t\tgl.uniformMatrix3fv( this.addr, false, mat3array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\nfunction setValueM4( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix4fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat4array.set( elements );\n\n\t\tgl.uniformMatrix4fv( this.addr, false, mat4array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\n// Single integer / boolean\n\nfunction setValueV1i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1i( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single integer / boolean vector (from flat array or THREE.VectorN)\n\nfunction setValueV2i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y ) {\n\n\t\t\tgl.uniform2i( this.addr, v.x, v.y );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform2iv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV3i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z ) {\n\n\t\t\tgl.uniform3i( this.addr, v.x, v.y, v.z );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform3iv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV4i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z || cache[ 3 ] !== v.w ) {\n\n\t\t\tgl.uniform4i( this.addr, v.x, v.y, v.z, v.w );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\t\t\tcache[ 3 ] = v.w;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform4iv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\n// Single unsigned integer\n\nfunction setValueV1ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1ui( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single unsigned integer vector (from flat array or THREE.VectorN)\n\nfunction setValueV2ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y ) {\n\n\t\t\tgl.uniform2ui( this.addr, v.x, v.y );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform2uiv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV3ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z ) {\n\n\t\t\tgl.uniform3ui( this.addr, v.x, v.y, v.z );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform3uiv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV4ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z || cache[ 3 ] !== v.w ) {\n\n\t\t\tgl.uniform4ui( this.addr, v.x, v.y, v.z, v.w );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\t\t\tcache[ 3 ] = v.w;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform4uiv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\n\n// Single texture (2D / Cube)\n\nfunction setValueT1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\tlet emptyTexture2D;\n\n\tif ( this.type === gl.SAMPLER_2D_SHADOW ) {\n\n\t\temptyShadowTexture.compareFunction = LessEqualCompare; // #28670\n\t\temptyTexture2D = emptyShadowTexture;\n\n\t} else {\n\n\t\temptyTexture2D = emptyTexture;\n\n\t}\n\n\ttextures.setTexture2D( v || emptyTexture2D, unit );\n\n}\n\nfunction setValueT3D1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.setTexture3D( v || empty3dTexture, unit );\n\n}\n\nfunction setValueT6( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.setTextureCube( v || emptyCubeTexture, unit );\n\n}\n\nfunction setValueT2DArray1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.setTexture2DArray( v || emptyArrayTexture, unit );\n\n}\n\n// Helper to pick the right setter for the singular case\n\nfunction getSingularSetter( type ) {\n\n\tswitch ( type ) {\n\n\t\tcase 0x1406: return setValueV1f; // FLOAT\n\t\tcase 0x8b50: return setValueV2f; // _VEC2\n\t\tcase 0x8b51: return setValueV3f; // _VEC3\n\t\tcase 0x8b52: return setValueV4f; // _VEC4\n\n\t\tcase 0x8b5a: return setValueM2; // _MAT2\n\t\tcase 0x8b5b: return setValueM3; // _MAT3\n\t\tcase 0x8b5c: return setValueM4; // _MAT4\n\n\t\tcase 0x1404: case 0x8b56: return setValueV1i; // INT, BOOL\n\t\tcase 0x8b53: case 0x8b57: return setValueV2i; // _VEC2\n\t\tcase 0x8b54: case 0x8b58: return setValueV3i; // _VEC3\n\t\tcase 0x8b55: case 0x8b59: return setValueV4i; // _VEC4\n\n\t\tcase 0x1405: return setValueV1ui; // UINT\n\t\tcase 0x8dc6: return setValueV2ui; // _VEC2\n\t\tcase 0x8dc7: return setValueV3ui; // _VEC3\n\t\tcase 0x8dc8: return setValueV4ui; // _VEC4\n\n\t\tcase 0x8b5e: // SAMPLER_2D\n\t\tcase 0x8d66: // SAMPLER_EXTERNAL_OES\n\t\tcase 0x8dca: // INT_SAMPLER_2D\n\t\tcase 0x8dd2: // UNSIGNED_INT_SAMPLER_2D\n\t\tcase 0x8b62: // SAMPLER_2D_SHADOW\n\t\t\treturn setValueT1;\n\n\t\tcase 0x8b5f: // SAMPLER_3D\n\t\tcase 0x8dcb: // INT_SAMPLER_3D\n\t\tcase 0x8dd3: // UNSIGNED_INT_SAMPLER_3D\n\t\t\treturn setValueT3D1;\n\n\t\tcase 0x8b60: // SAMPLER_CUBE\n\t\tcase 0x8dcc: // INT_SAMPLER_CUBE\n\t\tcase 0x8dd4: // UNSIGNED_INT_SAMPLER_CUBE\n\t\tcase 0x8dc5: // SAMPLER_CUBE_SHADOW\n\t\t\treturn setValueT6;\n\n\t\tcase 0x8dc1: // SAMPLER_2D_ARRAY\n\t\tcase 0x8dcf: // INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dd7: // UNSIGNED_INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dc4: // SAMPLER_2D_ARRAY_SHADOW\n\t\t\treturn setValueT2DArray1;\n\n\t}\n\n}\n\n\n// Array of scalars\n\nfunction setValueV1fArray( gl, v ) {\n\n\tgl.uniform1fv( this.addr, v );\n\n}\n\n// Array of vectors (from flat array or array of THREE.VectorN)\n\nfunction setValueV2fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 2 );\n\n\tgl.uniform2fv( this.addr, data );\n\n}\n\nfunction setValueV3fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 3 );\n\n\tgl.uniform3fv( this.addr, data );\n\n}\n\nfunction setValueV4fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 4 );\n\n\tgl.uniform4fv( this.addr, data );\n\n}\n\n// Array of matrices (from flat array or array of THREE.MatrixN)\n\nfunction setValueM2Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 4 );\n\n\tgl.uniformMatrix2fv( this.addr, false, data );\n\n}\n\nfunction setValueM3Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 9 );\n\n\tgl.uniformMatrix3fv( this.addr, false, data );\n\n}\n\nfunction setValueM4Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 16 );\n\n\tgl.uniformMatrix4fv( this.addr, false, data );\n\n}\n\n// Array of integer / boolean\n\nfunction setValueV1iArray( gl, v ) {\n\n\tgl.uniform1iv( this.addr, v );\n\n}\n\n// Array of integer / boolean vectors (from flat array)\n\nfunction setValueV2iArray( gl, v ) {\n\n\tgl.uniform2iv( this.addr, v );\n\n}\n\nfunction setValueV3iArray( gl, v ) {\n\n\tgl.uniform3iv( this.addr, v );\n\n}\n\nfunction setValueV4iArray( gl, v ) {\n\n\tgl.uniform4iv( this.addr, v );\n\n}\n\n// Array of unsigned integer\n\nfunction setValueV1uiArray( gl, v ) {\n\n\tgl.uniform1uiv( this.addr, v );\n\n}\n\n// Array of unsigned integer vectors (from flat array)\n\nfunction setValueV2uiArray( gl, v ) {\n\n\tgl.uniform2uiv( this.addr, v );\n\n}\n\nfunction setValueV3uiArray( gl, v ) {\n\n\tgl.uniform3uiv( this.addr, v );\n\n}\n\nfunction setValueV4uiArray( gl, v ) {\n\n\tgl.uniform4uiv( this.addr, v );\n\n}\n\n\n// Array of textures (2D / 3D / Cube / 2DArray)\n\nfunction setValueT1Array( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tif ( ! arraysEqual( cache, units ) ) {\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tcopyArray( cache, units );\n\n\t}\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTexture2D( v[ i ] || emptyTexture, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT3DArray( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tif ( ! arraysEqual( cache, units ) ) {\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tcopyArray( cache, units );\n\n\t}\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTexture3D( v[ i ] || empty3dTexture, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT6Array( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tif ( ! arraysEqual( cache, units ) ) {\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tcopyArray( cache, units );\n\n\t}\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTextureCube( v[ i ] || emptyCubeTexture, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT2DArrayArray( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tif ( ! arraysEqual( cache, units ) ) {\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tcopyArray( cache, units );\n\n\t}\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTexture2DArray( v[ i ] || emptyArrayTexture, units[ i ] );\n\n\t}\n\n}\n\n\n// Helper to pick the right setter for a pure (bottom-level) array\n\nfunction getPureArraySetter( type ) {\n\n\tswitch ( type ) {\n\n\t\tcase 0x1406: return setValueV1fArray; // FLOAT\n\t\tcase 0x8b50: return setValueV2fArray; // _VEC2\n\t\tcase 0x8b51: return setValueV3fArray; // _VEC3\n\t\tcase 0x8b52: return setValueV4fArray; // _VEC4\n\n\t\tcase 0x8b5a: return setValueM2Array; // _MAT2\n\t\tcase 0x8b5b: return setValueM3Array; // _MAT3\n\t\tcase 0x8b5c: return setValueM4Array; // _MAT4\n\n\t\tcase 0x1404: case 0x8b56: return setValueV1iArray; // INT, BOOL\n\t\tcase 0x8b53: case 0x8b57: return setValueV2iArray; // _VEC2\n\t\tcase 0x8b54: case 0x8b58: return setValueV3iArray; // _VEC3\n\t\tcase 0x8b55: case 0x8b59: return setValueV4iArray; // _VEC4\n\n\t\tcase 0x1405: return setValueV1uiArray; // UINT\n\t\tcase 0x8dc6: return setValueV2uiArray; // _VEC2\n\t\tcase 0x8dc7: return setValueV3uiArray; // _VEC3\n\t\tcase 0x8dc8: return setValueV4uiArray; // _VEC4\n\n\t\tcase 0x8b5e: // SAMPLER_2D\n\t\tcase 0x8d66: // SAMPLER_EXTERNAL_OES\n\t\tcase 0x8dca: // INT_SAMPLER_2D\n\t\tcase 0x8dd2: // UNSIGNED_INT_SAMPLER_2D\n\t\tcase 0x8b62: // SAMPLER_2D_SHADOW\n\t\t\treturn setValueT1Array;\n\n\t\tcase 0x8b5f: // SAMPLER_3D\n\t\tcase 0x8dcb: // INT_SAMPLER_3D\n\t\tcase 0x8dd3: // UNSIGNED_INT_SAMPLER_3D\n\t\t\treturn setValueT3DArray;\n\n\t\tcase 0x8b60: // SAMPLER_CUBE\n\t\tcase 0x8dcc: // INT_SAMPLER_CUBE\n\t\tcase 0x8dd4: // UNSIGNED_INT_SAMPLER_CUBE\n\t\tcase 0x8dc5: // SAMPLER_CUBE_SHADOW\n\t\t\treturn setValueT6Array;\n\n\t\tcase 0x8dc1: // SAMPLER_2D_ARRAY\n\t\tcase 0x8dcf: // INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dd7: // UNSIGNED_INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dc4: // SAMPLER_2D_ARRAY_SHADOW\n\t\t\treturn setValueT2DArrayArray;\n\n\t}\n\n}\n\n// --- Uniform Classes ---\n\nclass SingleUniform {\n\n\tconstructor( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.cache = [];\n\t\tthis.type = activeInfo.type;\n\t\tthis.setValue = getSingularSetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n}\n\nclass PureArrayUniform {\n\n\tconstructor( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.cache = [];\n\t\tthis.type = activeInfo.type;\n\t\tthis.size = activeInfo.size;\n\t\tthis.setValue = getPureArraySetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n}\n\nclass StructuredUniform {\n\n\tconstructor( id ) {\n\n\t\tthis.id = id;\n\n\t\tthis.seq = [];\n\t\tthis.map = {};\n\n\t}\n\n\tsetValue( gl, value, textures ) {\n\n\t\tconst seq = this.seq;\n\n\t\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tconst u = seq[ i ];\n\t\t\tu.setValue( gl, value[ u.id ], textures );\n\n\t\t}\n\n\t}\n\n}\n\n// --- Top-level ---\n\n// Parser - builds up the property tree from the path strings\n\nconst RePathPart = /(\\w+)(\\])?(\\[|\\.)?/g;\n\n// extracts\n// \t- the identifier (member name or array index)\n// - followed by an optional right bracket (found when array index)\n// - followed by an optional left bracket or dot (type of subscript)\n//\n// Note: These portions can be read in a non-overlapping fashion and\n// allow straightforward parsing of the hierarchy that WebGL encodes\n// in the uniform names.\n\nfunction addUniform( container, uniformObject ) {\n\n\tcontainer.seq.push( uniformObject );\n\tcontainer.map[ uniformObject.id ] = uniformObject;\n\n}\n\nfunction parseUniform( activeInfo, addr, container ) {\n\n\tconst path = activeInfo.name,\n\t\tpathLength = path.length;\n\n\t// reset RegExp object, because of the early exit of a previous run\n\tRePathPart.lastIndex = 0;\n\n\twhile ( true ) {\n\n\t\tconst match = RePathPart.exec( path ),\n\t\t\tmatchEnd = RePathPart.lastIndex;\n\n\t\tlet id = match[ 1 ];\n\t\tconst idIsIndex = match[ 2 ] === ']',\n\t\t\tsubscript = match[ 3 ];\n\n\t\tif ( idIsIndex ) id = id | 0; // convert to integer\n\n\t\tif ( subscript === undefined || subscript === '[' && matchEnd + 2 === pathLength ) {\n\n\t\t\t// bare name or \"pure\" bottom-level array \"[0]\" suffix\n\n\t\t\taddUniform( container, subscript === undefined ?\n\t\t\t\tnew SingleUniform( id, activeInfo, addr ) :\n\t\t\t\tnew PureArrayUniform( id, activeInfo, addr ) );\n\n\t\t\tbreak;\n\n\t\t} else {\n\n\t\t\t// step into inner node / create it in case it doesn't exist\n\n\t\t\tconst map = container.map;\n\t\t\tlet next = map[ id ];\n\n\t\t\tif ( next === undefined ) {\n\n\t\t\t\tnext = new StructuredUniform( id );\n\t\t\t\taddUniform( container, next );\n\n\t\t\t}\n\n\t\t\tcontainer = next;\n\n\t\t}\n\n\t}\n\n}\n\n// Root Container\n\nclass WebGLUniforms {\n\n\tconstructor( gl, program ) {\n\n\t\tthis.seq = [];\n\t\tthis.map = {};\n\n\t\tconst n = gl.getProgramParameter( program, gl.ACTIVE_UNIFORMS );\n\n\t\tfor ( let i = 0; i < n; ++ i ) {\n\n\t\t\tconst info = gl.getActiveUniform( program, i ),\n\t\t\t\taddr = gl.getUniformLocation( program, info.name );\n\n\t\t\tparseUniform( info, addr, this );\n\n\t\t}\n\n\t}\n\n\tsetValue( gl, name, value, textures ) {\n\n\t\tconst u = this.map[ name ];\n\n\t\tif ( u !== undefined ) u.setValue( gl, value, textures );\n\n\t}\n\n\tsetOptional( gl, object, name ) {\n\n\t\tconst v = object[ name ];\n\n\t\tif ( v !== undefined ) this.setValue( gl, name, v );\n\n\t}\n\n\tstatic upload( gl, seq, values, textures ) {\n\n\t\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tconst u = seq[ i ],\n\t\t\t\tv = values[ u.id ];\n\n\t\t\tif ( v.needsUpdate !== false ) {\n\n\t\t\t\t// note: always updating when .needsUpdate is undefined\n\t\t\t\tu.setValue( gl, v.value, textures );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tstatic seqWithValue( seq, values ) {\n\n\t\tconst r = [];\n\n\t\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tconst u = seq[ i ];\n\t\t\tif ( u.id in values ) r.push( u );\n\n\t\t}\n\n\t\treturn r;\n\n\t}\n\n}\n\nfunction WebGLShader( gl, type, string ) {\n\n\tconst shader = gl.createShader( type );\n\n\tgl.shaderSource( shader, string );\n\tgl.compileShader( shader );\n\n\treturn shader;\n\n}\n\n// From https://www.khronos.org/registry/webgl/extensions/KHR_parallel_shader_compile/\nconst COMPLETION_STATUS_KHR = 0x91B1;\n\nlet programIdCount = 0;\n\nfunction handleSource( string, errorLine ) {\n\n\tconst lines = string.split( '\\n' );\n\tconst lines2 = [];\n\n\tconst from = Math.max( errorLine - 6, 0 );\n\tconst to = Math.min( errorLine + 6, lines.length );\n\n\tfor ( let i = from; i < to; i ++ ) {\n\n\t\tconst line = i + 1;\n\t\tlines2.push( `${line === errorLine ? '>' : ' '} ${line}: ${lines[ i ]}` );\n\n\t}\n\n\treturn lines2.join( '\\n' );\n\n}\n\nconst _m0 = /*@__PURE__*/ new Matrix3();\n\nfunction getEncodingComponents( colorSpace ) {\n\n\tColorManagement._getMatrix( _m0, ColorManagement.workingColorSpace, colorSpace );\n\n\tconst encodingMatrix = `mat3( ${ _m0.elements.map( ( v ) => v.toFixed( 4 ) ) } )`;\n\n\tswitch ( ColorManagement.getTransfer( colorSpace ) ) {\n\n\t\tcase LinearTransfer:\n\t\t\treturn [ encodingMatrix, 'LinearTransferOETF' ];\n\n\t\tcase SRGBTransfer:\n\t\t\treturn [ encodingMatrix, 'sRGBTransferOETF' ];\n\n\t\tdefault:\n\t\t\tconsole.warn( 'THREE.WebGLProgram: Unsupported color space: ', colorSpace );\n\t\t\treturn [ encodingMatrix, 'LinearTransferOETF' ];\n\n\t}\n\n}\n\nfunction getShaderErrors( gl, shader, type ) {\n\n\tconst status = gl.getShaderParameter( shader, gl.COMPILE_STATUS );\n\tconst errors = gl.getShaderInfoLog( shader ).trim();\n\n\tif ( status && errors === '' ) return '';\n\n\tconst errorMatches = /ERROR: 0:(\\d+)/.exec( errors );\n\tif ( errorMatches ) {\n\n\t\t// --enable-privileged-webgl-extension\n\t\t// console.log( '**' + type + '**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) );\n\n\t\tconst errorLine = parseInt( errorMatches[ 1 ] );\n\t\treturn type.toUpperCase() + '\\n\\n' + errors + '\\n\\n' + handleSource( gl.getShaderSource( shader ), errorLine );\n\n\t} else {\n\n\t\treturn errors;\n\n\t}\n\n}\n\nfunction getTexelEncodingFunction( functionName, colorSpace ) {\n\n\tconst components = getEncodingComponents( colorSpace );\n\n\treturn [\n\n\t\t`vec4 ${functionName}( vec4 value ) {`,\n\n\t\t`\treturn ${components[ 1 ]}( vec4( value.rgb * ${components[ 0 ]}, value.a ) );`,\n\n\t\t'}',\n\n\t].join( '\\n' );\n\n}\n\nfunction getToneMappingFunction( functionName, toneMapping ) {\n\n\tlet toneMappingName;\n\n\tswitch ( toneMapping ) {\n\n\t\tcase LinearToneMapping:\n\t\t\ttoneMappingName = 'Linear';\n\t\t\tbreak;\n\n\t\tcase ReinhardToneMapping:\n\t\t\ttoneMappingName = 'Reinhard';\n\t\t\tbreak;\n\n\t\tcase CineonToneMapping:\n\t\t\ttoneMappingName = 'Cineon';\n\t\t\tbreak;\n\n\t\tcase ACESFilmicToneMapping:\n\t\t\ttoneMappingName = 'ACESFilmic';\n\t\t\tbreak;\n\n\t\tcase AgXToneMapping:\n\t\t\ttoneMappingName = 'AgX';\n\t\t\tbreak;\n\n\t\tcase NeutralToneMapping:\n\t\t\ttoneMappingName = 'Neutral';\n\t\t\tbreak;\n\n\t\tcase CustomToneMapping:\n\t\t\ttoneMappingName = 'Custom';\n\t\t\tbreak;\n\n\t\tdefault:\n\t\t\tconsole.warn( 'THREE.WebGLProgram: Unsupported toneMapping:', toneMapping );\n\t\t\ttoneMappingName = 'Linear';\n\n\t}\n\n\treturn 'vec3 ' + functionName + '( vec3 color ) { return ' + toneMappingName + 'ToneMapping( color ); }';\n\n}\n\nconst _v0 = /*@__PURE__*/ new Vector3();\n\nfunction getLuminanceFunction() {\n\n\tColorManagement.getLuminanceCoefficients( _v0 );\n\n\tconst r = _v0.x.toFixed( 4 );\n\tconst g = _v0.y.toFixed( 4 );\n\tconst b = _v0.z.toFixed( 4 );\n\n\treturn [\n\n\t\t'float luminance( const in vec3 rgb ) {',\n\n\t\t`\tconst vec3 weights = vec3( ${ r }, ${ g }, ${ b } );`,\n\n\t\t'\treturn dot( weights, rgb );',\n\n\t\t'}'\n\n\t].join( '\\n' );\n\n}\n\nfunction generateVertexExtensions( parameters ) {\n\n\tconst chunks = [\n\t\tparameters.extensionClipCullDistance ? '#extension GL_ANGLE_clip_cull_distance : require' : '',\n\t\tparameters.extensionMultiDraw ? '#extension GL_ANGLE_multi_draw : require' : '',\n\t];\n\n\treturn chunks.filter( filterEmptyLine ).join( '\\n' );\n\n}\n\nfunction generateDefines( defines ) {\n\n\tconst chunks = [];\n\n\tfor ( const name in defines ) {\n\n\t\tconst value = defines[ name ];\n\n\t\tif ( value === false ) continue;\n\n\t\tchunks.push( '#define ' + name + ' ' + value );\n\n\t}\n\n\treturn chunks.join( '\\n' );\n\n}\n\nfunction fetchAttributeLocations( gl, program ) {\n\n\tconst attributes = {};\n\n\tconst n = gl.getProgramParameter( program, gl.ACTIVE_ATTRIBUTES );\n\n\tfor ( let i = 0; i < n; i ++ ) {\n\n\t\tconst info = gl.getActiveAttrib( program, i );\n\t\tconst name = info.name;\n\n\t\tlet locationSize = 1;\n\t\tif ( info.type === gl.FLOAT_MAT2 ) locationSize = 2;\n\t\tif ( info.type === gl.FLOAT_MAT3 ) locationSize = 3;\n\t\tif ( info.type === gl.FLOAT_MAT4 ) locationSize = 4;\n\n\t\t// console.log( 'THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:', name, i );\n\n\t\tattributes[ name ] = {\n\t\t\ttype: info.type,\n\t\t\tlocation: gl.getAttribLocation( program, name ),\n\t\t\tlocationSize: locationSize\n\t\t};\n\n\t}\n\n\treturn attributes;\n\n}\n\nfunction filterEmptyLine( string ) {\n\n\treturn string !== '';\n\n}\n\nfunction replaceLightNums( string, parameters ) {\n\n\tconst numSpotLightCoords = parameters.numSpotLightShadows + parameters.numSpotLightMaps - parameters.numSpotLightShadowsWithMaps;\n\n\treturn string\n\t\t.replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights )\n\t\t.replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights )\n\t\t.replace( /NUM_SPOT_LIGHT_MAPS/g, parameters.numSpotLightMaps )\n\t\t.replace( /NUM_SPOT_LIGHT_COORDS/g, numSpotLightCoords )\n\t\t.replace( /NUM_RECT_AREA_LIGHTS/g, parameters.numRectAreaLights )\n\t\t.replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights )\n\t\t.replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights )\n\t\t.replace( /NUM_DIR_LIGHT_SHADOWS/g, parameters.numDirLightShadows )\n\t\t.replace( /NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS/g, parameters.numSpotLightShadowsWithMaps )\n\t\t.replace( /NUM_SPOT_LIGHT_SHADOWS/g, parameters.numSpotLightShadows )\n\t\t.replace( /NUM_POINT_LIGHT_SHADOWS/g, parameters.numPointLightShadows );\n\n}\n\nfunction replaceClippingPlaneNums( string, parameters ) {\n\n\treturn string\n\t\t.replace( /NUM_CLIPPING_PLANES/g, parameters.numClippingPlanes )\n\t\t.replace( /UNION_CLIPPING_PLANES/g, ( parameters.numClippingPlanes - parameters.numClipIntersection ) );\n\n}\n\n// Resolve Includes\n\nconst includePattern = /^[ \\t]*#include +<([\\w\\d./]+)>/gm;\n\nfunction resolveIncludes( string ) {\n\n\treturn string.replace( includePattern, includeReplacer );\n\n}\n\nconst shaderChunkMap = new Map();\n\nfunction includeReplacer( match, include ) {\n\n\tlet string = ShaderChunk[ include ];\n\n\tif ( string === undefined ) {\n\n\t\tconst newInclude = shaderChunkMap.get( include );\n\n\t\tif ( newInclude !== undefined ) {\n\n\t\t\tstring = ShaderChunk[ newInclude ];\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Shader chunk \"%s\" has been deprecated. Use \"%s\" instead.', include, newInclude );\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'Can not resolve #include <' + include + '>' );\n\n\t\t}\n\n\t}\n\n\treturn resolveIncludes( string );\n\n}\n\n// Unroll Loops\n\nconst unrollLoopPattern = /#pragma unroll_loop_start\\s+for\\s*\\(\\s*int\\s+i\\s*=\\s*(\\d+)\\s*;\\s*i\\s*<\\s*(\\d+)\\s*;\\s*i\\s*\\+\\+\\s*\\)\\s*{([\\s\\S]+?)}\\s+#pragma unroll_loop_end/g;\n\nfunction unrollLoops( string ) {\n\n\treturn string.replace( unrollLoopPattern, loopReplacer );\n\n}\n\nfunction loopReplacer( match, start, end, snippet ) {\n\n\tlet string = '';\n\n\tfor ( let i = parseInt( start ); i < parseInt( end ); i ++ ) {\n\n\t\tstring += snippet\n\t\t\t.replace( /\\[\\s*i\\s*\\]/g, '[ ' + i + ' ]' )\n\t\t\t.replace( /UNROLLED_LOOP_INDEX/g, i );\n\n\t}\n\n\treturn string;\n\n}\n\n//\n\nfunction generatePrecision( parameters ) {\n\n\tlet precisionstring = `precision ${parameters.precision} float;\n\tprecision ${parameters.precision} int;\n\tprecision ${parameters.precision} sampler2D;\n\tprecision ${parameters.precision} samplerCube;\n\tprecision ${parameters.precision} sampler3D;\n\tprecision ${parameters.precision} sampler2DArray;\n\tprecision ${parameters.precision} sampler2DShadow;\n\tprecision ${parameters.precision} samplerCubeShadow;\n\tprecision ${parameters.precision} sampler2DArrayShadow;\n\tprecision ${parameters.precision} isampler2D;\n\tprecision ${parameters.precision} isampler3D;\n\tprecision ${parameters.precision} isamplerCube;\n\tprecision ${parameters.precision} isampler2DArray;\n\tprecision ${parameters.precision} usampler2D;\n\tprecision ${parameters.precision} usampler3D;\n\tprecision ${parameters.precision} usamplerCube;\n\tprecision ${parameters.precision} usampler2DArray;\n\t`;\n\n\tif ( parameters.precision === 'highp' ) {\n\n\t\tprecisionstring += '\\n#define HIGH_PRECISION';\n\n\t} else if ( parameters.precision === 'mediump' ) {\n\n\t\tprecisionstring += '\\n#define MEDIUM_PRECISION';\n\n\t} else if ( parameters.precision === 'lowp' ) {\n\n\t\tprecisionstring += '\\n#define LOW_PRECISION';\n\n\t}\n\n\treturn precisionstring;\n\n}\n\nfunction generateShadowMapTypeDefine( parameters ) {\n\n\tlet shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC';\n\n\tif ( parameters.shadowMapType === PCFShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF';\n\n\t} else if ( parameters.shadowMapType === PCFSoftShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT';\n\n\t} else if ( parameters.shadowMapType === VSMShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_VSM';\n\n\t}\n\n\treturn shadowMapTypeDefine;\n\n}\n\nfunction generateEnvMapTypeDefine( parameters ) {\n\n\tlet envMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.envMapMode ) {\n\n\t\t\tcase CubeReflectionMapping:\n\t\t\tcase CubeRefractionMapping:\n\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\t\t\tbreak;\n\n\t\t\tcase CubeUVReflectionMapping:\n\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapTypeDefine;\n\n}\n\nfunction generateEnvMapModeDefine( parameters ) {\n\n\tlet envMapModeDefine = 'ENVMAP_MODE_REFLECTION';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.envMapMode ) {\n\n\t\t\tcase CubeRefractionMapping:\n\n\t\t\t\tenvMapModeDefine = 'ENVMAP_MODE_REFRACTION';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapModeDefine;\n\n}\n\nfunction generateEnvMapBlendingDefine( parameters ) {\n\n\tlet envMapBlendingDefine = 'ENVMAP_BLENDING_NONE';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.combine ) {\n\n\t\t\tcase MultiplyOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\t\t\t\tbreak;\n\n\t\t\tcase MixOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MIX';\n\t\t\t\tbreak;\n\n\t\t\tcase AddOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_ADD';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapBlendingDefine;\n\n}\n\nfunction generateCubeUVSize( parameters ) {\n\n\tconst imageHeight = parameters.envMapCubeUVHeight;\n\n\tif ( imageHeight === null ) return null;\n\n\tconst maxMip = Math.log2( imageHeight ) - 2;\n\n\tconst texelHeight = 1.0 / imageHeight;\n\n\tconst texelWidth = 1.0 / ( 3 * Math.max( Math.pow( 2, maxMip ), 7 * 16 ) );\n\n\treturn { texelWidth, texelHeight, maxMip };\n\n}\n\nfunction WebGLProgram( renderer, cacheKey, parameters, bindingStates ) {\n\n\t// TODO Send this event to Three.js DevTools\n\t// console.log( 'WebGLProgram', cacheKey );\n\n\tconst gl = renderer.getContext();\n\n\tconst defines = parameters.defines;\n\n\tlet vertexShader = parameters.vertexShader;\n\tlet fragmentShader = parameters.fragmentShader;\n\n\tconst shadowMapTypeDefine = generateShadowMapTypeDefine( parameters );\n\tconst envMapTypeDefine = generateEnvMapTypeDefine( parameters );\n\tconst envMapModeDefine = generateEnvMapModeDefine( parameters );\n\tconst envMapBlendingDefine = generateEnvMapBlendingDefine( parameters );\n\tconst envMapCubeUVSize = generateCubeUVSize( parameters );\n\n\tconst customVertexExtensions = generateVertexExtensions( parameters );\n\n\tconst customDefines = generateDefines( defines );\n\n\tconst program = gl.createProgram();\n\n\tlet prefixVertex, prefixFragment;\n\tlet versionString = parameters.glslVersion ? '#version ' + parameters.glslVersion + '\\n' : '';\n\n\tif ( parameters.isRawShaderMaterial ) {\n\n\t\tprefixVertex = [\n\n\t\t\t'#define SHADER_TYPE ' + parameters.shaderType,\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tif ( prefixVertex.length > 0 ) {\n\n\t\t\tprefixVertex += '\\n';\n\n\t\t}\n\n\t\tprefixFragment = [\n\n\t\t\t'#define SHADER_TYPE ' + parameters.shaderType,\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tif ( prefixFragment.length > 0 ) {\n\n\t\t\tprefixFragment += '\\n';\n\n\t\t}\n\n\t} else {\n\n\t\tprefixVertex = [\n\n\t\t\tgeneratePrecision( parameters ),\n\n\t\t\t'#define SHADER_TYPE ' + parameters.shaderType,\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines,\n\n\t\t\tparameters.extensionClipCullDistance ? '#define USE_CLIP_DISTANCE' : '',\n\t\t\tparameters.batching ? '#define USE_BATCHING' : '',\n\t\t\tparameters.batchingColor ? '#define USE_BATCHING_COLOR' : '',\n\t\t\tparameters.instancing ? '#define USE_INSTANCING' : '',\n\t\t\tparameters.instancingColor ? '#define USE_INSTANCING_COLOR' : '',\n\t\t\tparameters.instancingMorph ? '#define USE_INSTANCING_MORPH' : '',\n\n\t\t\tparameters.useFog && parameters.fog ? '#define USE_FOG' : '',\n\t\t\tparameters.useFog && parameters.fogExp2 ? '#define FOG_EXP2' : '',\n\n\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\tparameters.normalMapObjectSpace ? '#define USE_NORMALMAP_OBJECTSPACE' : '',\n\t\t\tparameters.normalMapTangentSpace ? '#define USE_NORMALMAP_TANGENTSPACE' : '',\n\t\t\tparameters.displacementMap ? '#define USE_DISPLACEMENTMAP' : '',\n\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\n\t\t\tparameters.anisotropy ? '#define USE_ANISOTROPY' : '',\n\t\t\tparameters.anisotropyMap ? '#define USE_ANISOTROPYMAP' : '',\n\n\t\t\tparameters.clearcoatMap ? '#define USE_CLEARCOATMAP' : '',\n\t\t\tparameters.clearcoatRoughnessMap ? '#define USE_CLEARCOAT_ROUGHNESSMAP' : '',\n\t\t\tparameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '',\n\n\t\t\tparameters.iridescenceMap ? '#define USE_IRIDESCENCEMAP' : '',\n\t\t\tparameters.iridescenceThicknessMap ? '#define USE_IRIDESCENCE_THICKNESSMAP' : '',\n\n\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\tparameters.specularColorMap ? '#define USE_SPECULAR_COLORMAP' : '',\n\t\t\tparameters.specularIntensityMap ? '#define USE_SPECULAR_INTENSITYMAP' : '',\n\n\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\tparameters.alphaHash ? '#define USE_ALPHAHASH' : '',\n\n\t\t\tparameters.transmission ? '#define USE_TRANSMISSION' : '',\n\t\t\tparameters.transmissionMap ? '#define USE_TRANSMISSIONMAP' : '',\n\t\t\tparameters.thicknessMap ? '#define USE_THICKNESSMAP' : '',\n\n\t\t\tparameters.sheenColorMap ? '#define USE_SHEEN_COLORMAP' : '',\n\t\t\tparameters.sheenRoughnessMap ? '#define USE_SHEEN_ROUGHNESSMAP' : '',\n\n\t\t\t//\n\n\t\t\tparameters.mapUv ? '#define MAP_UV ' + parameters.mapUv : '',\n\t\t\tparameters.alphaMapUv ? '#define ALPHAMAP_UV ' + parameters.alphaMapUv : '',\n\t\t\tparameters.lightMapUv ? '#define LIGHTMAP_UV ' + parameters.lightMapUv : '',\n\t\t\tparameters.aoMapUv ? '#define AOMAP_UV ' + parameters.aoMapUv : '',\n\t\t\tparameters.emissiveMapUv ? '#define EMISSIVEMAP_UV ' + parameters.emissiveMapUv : '',\n\t\t\tparameters.bumpMapUv ? '#define BUMPMAP_UV ' + parameters.bumpMapUv : '',\n\t\t\tparameters.normalMapUv ? '#define NORMALMAP_UV ' + parameters.normalMapUv : '',\n\t\t\tparameters.displacementMapUv ? '#define DISPLACEMENTMAP_UV ' + parameters.displacementMapUv : '',\n\n\t\t\tparameters.metalnessMapUv ? '#define METALNESSMAP_UV ' + parameters.metalnessMapUv : '',\n\t\t\tparameters.roughnessMapUv ? '#define ROUGHNESSMAP_UV ' + parameters.roughnessMapUv : '',\n\n\t\t\tparameters.anisotropyMapUv ? '#define ANISOTROPYMAP_UV ' + parameters.anisotropyMapUv : '',\n\n\t\t\tparameters.clearcoatMapUv ? '#define CLEARCOATMAP_UV ' + parameters.clearcoatMapUv : '',\n\t\t\tparameters.clearcoatNormalMapUv ? '#define CLEARCOAT_NORMALMAP_UV ' + parameters.clearcoatNormalMapUv : '',\n\t\t\tparameters.clearcoatRoughnessMapUv ? '#define CLEARCOAT_ROUGHNESSMAP_UV ' + parameters.clearcoatRoughnessMapUv : '',\n\n\t\t\tparameters.iridescenceMapUv ? '#define IRIDESCENCEMAP_UV ' + parameters.iridescenceMapUv : '',\n\t\t\tparameters.iridescenceThicknessMapUv ? '#define IRIDESCENCE_THICKNESSMAP_UV ' + parameters.iridescenceThicknessMapUv : '',\n\n\t\t\tparameters.sheenColorMapUv ? '#define SHEEN_COLORMAP_UV ' + parameters.sheenColorMapUv : '',\n\t\t\tparameters.sheenRoughnessMapUv ? '#define SHEEN_ROUGHNESSMAP_UV ' + parameters.sheenRoughnessMapUv : '',\n\n\t\t\tparameters.specularMapUv ? '#define SPECULARMAP_UV ' + parameters.specularMapUv : '',\n\t\t\tparameters.specularColorMapUv ? '#define SPECULAR_COLORMAP_UV ' + parameters.specularColorMapUv : '',\n\t\t\tparameters.specularIntensityMapUv ? '#define SPECULAR_INTENSITYMAP_UV ' + parameters.specularIntensityMapUv : '',\n\n\t\t\tparameters.transmissionMapUv ? '#define TRANSMISSIONMAP_UV ' + parameters.transmissionMapUv : '',\n\t\t\tparameters.thicknessMapUv ? '#define THICKNESSMAP_UV ' + parameters.thicknessMapUv : '',\n\n\t\t\t//\n\n\t\t\tparameters.vertexTangents && parameters.flatShading === false ? '#define USE_TANGENT' : '',\n\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\t\t\tparameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '',\n\t\t\tparameters.vertexUv1s ? '#define USE_UV1' : '',\n\t\t\tparameters.vertexUv2s ? '#define USE_UV2' : '',\n\t\t\tparameters.vertexUv3s ? '#define USE_UV3' : '',\n\n\t\t\tparameters.pointsUvs ? '#define USE_POINTS_UV' : '',\n\n\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\tparameters.skinning ? '#define USE_SKINNING' : '',\n\n\t\t\tparameters.morphTargets ? '#define USE_MORPHTARGETS' : '',\n\t\t\tparameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '',\n\t\t\t( parameters.morphColors ) ? '#define USE_MORPHCOLORS' : '',\n\t\t\t( parameters.morphTargetsCount > 0 ) ? '#define MORPHTARGETS_TEXTURE_STRIDE ' + parameters.morphTextureStride : '',\n\t\t\t( parameters.morphTargetsCount > 0 ) ? '#define MORPHTARGETS_COUNT ' + parameters.morphTargetsCount : '',\n\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\tparameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '',\n\n\t\t\tparameters.numLightProbes > 0 ? '#define USE_LIGHT_PROBES' : '',\n\n\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\tparameters.reverseDepthBuffer ? '#define USE_REVERSEDEPTHBUF' : '',\n\n\t\t\t'uniform mat4 modelMatrix;',\n\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t'uniform mat3 normalMatrix;',\n\t\t\t'uniform vec3 cameraPosition;',\n\t\t\t'uniform bool isOrthographic;',\n\n\t\t\t'#ifdef USE_INSTANCING',\n\n\t\t\t'\tattribute mat4 instanceMatrix;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_INSTANCING_COLOR',\n\n\t\t\t'\tattribute vec3 instanceColor;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_INSTANCING_MORPH',\n\n\t\t\t'\tuniform sampler2D morphTexture;',\n\n\t\t\t'#endif',\n\n\t\t\t'attribute vec3 position;',\n\t\t\t'attribute vec3 normal;',\n\t\t\t'attribute vec2 uv;',\n\n\t\t\t'#ifdef USE_UV1',\n\n\t\t\t'\tattribute vec2 uv1;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_UV2',\n\n\t\t\t'\tattribute vec2 uv2;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_UV3',\n\n\t\t\t'\tattribute vec2 uv3;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_TANGENT',\n\n\t\t\t'\tattribute vec4 tangent;',\n\n\t\t\t'#endif',\n\n\t\t\t'#if defined( USE_COLOR_ALPHA )',\n\n\t\t\t'\tattribute vec4 color;',\n\n\t\t\t'#elif defined( USE_COLOR )',\n\n\t\t\t'\tattribute vec3 color;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_SKINNING',\n\n\t\t\t'\tattribute vec4 skinIndex;',\n\t\t\t'\tattribute vec4 skinWeight;',\n\n\t\t\t'#endif',\n\n\t\t\t'\\n'\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tprefixFragment = [\n\n\t\t\tgeneratePrecision( parameters ),\n\n\t\t\t'#define SHADER_TYPE ' + parameters.shaderType,\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines,\n\n\t\t\tparameters.useFog && parameters.fog ? '#define USE_FOG' : '',\n\t\t\tparameters.useFog && parameters.fogExp2 ? '#define FOG_EXP2' : '',\n\n\t\t\tparameters.alphaToCoverage ? '#define ALPHA_TO_COVERAGE' : '',\n\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\tparameters.matcap ? '#define USE_MATCAP' : '',\n\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\tparameters.envMap ? '#define ' + envMapTypeDefine : '',\n\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\tparameters.envMap ? '#define ' + envMapBlendingDefine : '',\n\t\t\tenvMapCubeUVSize ? '#define CUBEUV_TEXEL_WIDTH ' + envMapCubeUVSize.texelWidth : '',\n\t\t\tenvMapCubeUVSize ? '#define CUBEUV_TEXEL_HEIGHT ' + envMapCubeUVSize.texelHeight : '',\n\t\t\tenvMapCubeUVSize ? '#define CUBEUV_MAX_MIP ' + envMapCubeUVSize.maxMip + '.0' : '',\n\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\tparameters.normalMapObjectSpace ? '#define USE_NORMALMAP_OBJECTSPACE' : '',\n\t\t\tparameters.normalMapTangentSpace ? '#define USE_NORMALMAP_TANGENTSPACE' : '',\n\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\n\t\t\tparameters.anisotropy ? '#define USE_ANISOTROPY' : '',\n\t\t\tparameters.anisotropyMap ? '#define USE_ANISOTROPYMAP' : '',\n\n\t\t\tparameters.clearcoat ? '#define USE_CLEARCOAT' : '',\n\t\t\tparameters.clearcoatMap ? '#define USE_CLEARCOATMAP' : '',\n\t\t\tparameters.clearcoatRoughnessMap ? '#define USE_CLEARCOAT_ROUGHNESSMAP' : '',\n\t\t\tparameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '',\n\n\t\t\tparameters.dispersion ? '#define USE_DISPERSION' : '',\n\n\t\t\tparameters.iridescence ? '#define USE_IRIDESCENCE' : '',\n\t\t\tparameters.iridescenceMap ? '#define USE_IRIDESCENCEMAP' : '',\n\t\t\tparameters.iridescenceThicknessMap ? '#define USE_IRIDESCENCE_THICKNESSMAP' : '',\n\n\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\tparameters.specularColorMap ? '#define USE_SPECULAR_COLORMAP' : '',\n\t\t\tparameters.specularIntensityMap ? '#define USE_SPECULAR_INTENSITYMAP' : '',\n\n\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\n\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\tparameters.alphaTest ? '#define USE_ALPHATEST' : '',\n\t\t\tparameters.alphaHash ? '#define USE_ALPHAHASH' : '',\n\n\t\t\tparameters.sheen ? '#define USE_SHEEN' : '',\n\t\t\tparameters.sheenColorMap ? '#define USE_SHEEN_COLORMAP' : '',\n\t\t\tparameters.sheenRoughnessMap ? '#define USE_SHEEN_ROUGHNESSMAP' : '',\n\n\t\t\tparameters.transmission ? '#define USE_TRANSMISSION' : '',\n\t\t\tparameters.transmissionMap ? '#define USE_TRANSMISSIONMAP' : '',\n\t\t\tparameters.thicknessMap ? '#define USE_THICKNESSMAP' : '',\n\n\t\t\tparameters.vertexTangents && parameters.flatShading === false ? '#define USE_TANGENT' : '',\n\t\t\tparameters.vertexColors || parameters.instancingColor || parameters.batchingColor ? '#define USE_COLOR' : '',\n\t\t\tparameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '',\n\t\t\tparameters.vertexUv1s ? '#define USE_UV1' : '',\n\t\t\tparameters.vertexUv2s ? '#define USE_UV2' : '',\n\t\t\tparameters.vertexUv3s ? '#define USE_UV3' : '',\n\n\t\t\tparameters.pointsUvs ? '#define USE_POINTS_UV' : '',\n\n\t\t\tparameters.gradientMap ? '#define USE_GRADIENTMAP' : '',\n\n\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\tparameters.premultipliedAlpha ? '#define PREMULTIPLIED_ALPHA' : '',\n\n\t\t\tparameters.numLightProbes > 0 ? '#define USE_LIGHT_PROBES' : '',\n\n\t\t\tparameters.decodeVideoTexture ? '#define DECODE_VIDEO_TEXTURE' : '',\n\t\t\tparameters.decodeVideoTextureEmissive ? '#define DECODE_VIDEO_TEXTURE_EMISSIVE' : '',\n\n\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\tparameters.reverseDepthBuffer ? '#define USE_REVERSEDEPTHBUF' : '',\n\n\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t'uniform vec3 cameraPosition;',\n\t\t\t'uniform bool isOrthographic;',\n\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? '#define TONE_MAPPING' : '',\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( 'toneMapping', parameters.toneMapping ) : '',\n\n\t\t\tparameters.dithering ? '#define DITHERING' : '',\n\t\t\tparameters.opaque ? '#define OPAQUE' : '',\n\n\t\t\tShaderChunk[ 'colorspace_pars_fragment' ], // this code is required here because it is used by the various encoding/decoding function defined below\n\t\t\tgetTexelEncodingFunction( 'linearToOutputTexel', parameters.outputColorSpace ),\n\t\t\tgetLuminanceFunction(),\n\n\t\t\tparameters.useDepthPacking ? '#define DEPTH_PACKING ' + parameters.depthPacking : '',\n\n\t\t\t'\\n'\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t}\n\n\tvertexShader = resolveIncludes( vertexShader );\n\tvertexShader = replaceLightNums( vertexShader, parameters );\n\tvertexShader = replaceClippingPlaneNums( vertexShader, parameters );\n\n\tfragmentShader = resolveIncludes( fragmentShader );\n\tfragmentShader = replaceLightNums( fragmentShader, parameters );\n\tfragmentShader = replaceClippingPlaneNums( fragmentShader, parameters );\n\n\tvertexShader = unrollLoops( vertexShader );\n\tfragmentShader = unrollLoops( fragmentShader );\n\n\tif ( parameters.isRawShaderMaterial !== true ) {\n\n\t\t// GLSL 3.0 conversion for built-in materials and ShaderMaterial\n\n\t\tversionString = '#version 300 es\\n';\n\n\t\tprefixVertex = [\n\t\t\tcustomVertexExtensions,\n\t\t\t'#define attribute in',\n\t\t\t'#define varying out',\n\t\t\t'#define texture2D texture'\n\t\t].join( '\\n' ) + '\\n' + prefixVertex;\n\n\t\tprefixFragment = [\n\t\t\t'#define varying in',\n\t\t\t( parameters.glslVersion === GLSL3 ) ? '' : 'layout(location = 0) out highp vec4 pc_fragColor;',\n\t\t\t( parameters.glslVersion === GLSL3 ) ? '' : '#define gl_FragColor pc_fragColor',\n\t\t\t'#define gl_FragDepthEXT gl_FragDepth',\n\t\t\t'#define texture2D texture',\n\t\t\t'#define textureCube texture',\n\t\t\t'#define texture2DProj textureProj',\n\t\t\t'#define texture2DLodEXT textureLod',\n\t\t\t'#define texture2DProjLodEXT textureProjLod',\n\t\t\t'#define textureCubeLodEXT textureLod',\n\t\t\t'#define texture2DGradEXT textureGrad',\n\t\t\t'#define texture2DProjGradEXT textureProjGrad',\n\t\t\t'#define textureCubeGradEXT textureGrad'\n\t\t].join( '\\n' ) + '\\n' + prefixFragment;\n\n\t}\n\n\tconst vertexGlsl = versionString + prefixVertex + vertexShader;\n\tconst fragmentGlsl = versionString + prefixFragment + fragmentShader;\n\n\t// console.log( '*VERTEX*', vertexGlsl );\n\t// console.log( '*FRAGMENT*', fragmentGlsl );\n\n\tconst glVertexShader = WebGLShader( gl, gl.VERTEX_SHADER, vertexGlsl );\n\tconst glFragmentShader = WebGLShader( gl, gl.FRAGMENT_SHADER, fragmentGlsl );\n\n\tgl.attachShader( program, glVertexShader );\n\tgl.attachShader( program, glFragmentShader );\n\n\t// Force a particular attribute to index 0.\n\n\tif ( parameters.index0AttributeName !== undefined ) {\n\n\t\tgl.bindAttribLocation( program, 0, parameters.index0AttributeName );\n\n\t} else if ( parameters.morphTargets === true ) {\n\n\t\t// programs with morphTargets displace position out of attribute 0\n\t\tgl.bindAttribLocation( program, 0, 'position' );\n\n\t}\n\n\tgl.linkProgram( program );\n\n\tfunction onFirstUse( self ) {\n\n\t\t// check for link errors\n\t\tif ( renderer.debug.checkShaderErrors ) {\n\n\t\t\tconst programLog = gl.getProgramInfoLog( program ).trim();\n\t\t\tconst vertexLog = gl.getShaderInfoLog( glVertexShader ).trim();\n\t\t\tconst fragmentLog = gl.getShaderInfoLog( glFragmentShader ).trim();\n\n\t\t\tlet runnable = true;\n\t\t\tlet haveDiagnostics = true;\n\n\t\t\tif ( gl.getProgramParameter( program, gl.LINK_STATUS ) === false ) {\n\n\t\t\t\trunnable = false;\n\n\t\t\t\tif ( typeof renderer.debug.onShaderError === 'function' ) {\n\n\t\t\t\t\trenderer.debug.onShaderError( gl, program, glVertexShader, glFragmentShader );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// default error reporting\n\n\t\t\t\t\tconst vertexErrors = getShaderErrors( gl, glVertexShader, 'vertex' );\n\t\t\t\t\tconst fragmentErrors = getShaderErrors( gl, glFragmentShader, 'fragment' );\n\n\t\t\t\t\tconsole.error(\n\t\t\t\t\t\t'THREE.WebGLProgram: Shader Error ' + gl.getError() + ' - ' +\n\t\t\t\t\t\t'VALIDATE_STATUS ' + gl.getProgramParameter( program, gl.VALIDATE_STATUS ) + '\\n\\n' +\n\t\t\t\t\t\t'Material Name: ' + self.name + '\\n' +\n\t\t\t\t\t\t'Material Type: ' + self.type + '\\n\\n' +\n\t\t\t\t\t\t'Program Info Log: ' + programLog + '\\n' +\n\t\t\t\t\t\tvertexErrors + '\\n' +\n\t\t\t\t\t\tfragmentErrors\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t} else if ( programLog !== '' ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLProgram: Program Info Log:', programLog );\n\n\t\t\t} else if ( vertexLog === '' || fragmentLog === '' ) {\n\n\t\t\t\thaveDiagnostics = false;\n\n\t\t\t}\n\n\t\t\tif ( haveDiagnostics ) {\n\n\t\t\t\tself.diagnostics = {\n\n\t\t\t\t\trunnable: runnable,\n\n\t\t\t\t\tprogramLog: programLog,\n\n\t\t\t\t\tvertexShader: {\n\n\t\t\t\t\t\tlog: vertexLog,\n\t\t\t\t\t\tprefix: prefixVertex\n\n\t\t\t\t\t},\n\n\t\t\t\t\tfragmentShader: {\n\n\t\t\t\t\t\tlog: fragmentLog,\n\t\t\t\t\t\tprefix: prefixFragment\n\n\t\t\t\t\t}\n\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Clean up\n\n\t\t// Crashes in iOS9 and iOS10. #18402\n\t\t// gl.detachShader( program, glVertexShader );\n\t\t// gl.detachShader( program, glFragmentShader );\n\n\t\tgl.deleteShader( glVertexShader );\n\t\tgl.deleteShader( glFragmentShader );\n\n\t\tcachedUniforms = new WebGLUniforms( gl, program );\n\t\tcachedAttributes = fetchAttributeLocations( gl, program );\n\n\t}\n\n\t// set up caching for uniform locations\n\n\tlet cachedUniforms;\n\n\tthis.getUniforms = function () {\n\n\t\tif ( cachedUniforms === undefined ) {\n\n\t\t\t// Populates cachedUniforms and cachedAttributes\n\t\t\tonFirstUse( this );\n\n\t\t}\n\n\t\treturn cachedUniforms;\n\n\t};\n\n\t// set up caching for attribute locations\n\n\tlet cachedAttributes;\n\n\tthis.getAttributes = function () {\n\n\t\tif ( cachedAttributes === undefined ) {\n\n\t\t\t// Populates cachedAttributes and cachedUniforms\n\t\t\tonFirstUse( this );\n\n\t\t}\n\n\t\treturn cachedAttributes;\n\n\t};\n\n\t// indicate when the program is ready to be used. if the KHR_parallel_shader_compile extension isn't supported,\n\t// flag the program as ready immediately. It may cause a stall when it's first used.\n\n\tlet programReady = ( parameters.rendererExtensionParallelShaderCompile === false );\n\n\tthis.isReady = function () {\n\n\t\tif ( programReady === false ) {\n\n\t\t\tprogramReady = gl.getProgramParameter( program, COMPLETION_STATUS_KHR );\n\n\t\t}\n\n\t\treturn programReady;\n\n\t};\n\n\t// free resource\n\n\tthis.destroy = function () {\n\n\t\tbindingStates.releaseStatesOfProgram( this );\n\n\t\tgl.deleteProgram( program );\n\t\tthis.program = undefined;\n\n\t};\n\n\t//\n\n\tthis.type = parameters.shaderType;\n\tthis.name = parameters.shaderName;\n\tthis.id = programIdCount ++;\n\tthis.cacheKey = cacheKey;\n\tthis.usedTimes = 1;\n\tthis.program = program;\n\tthis.vertexShader = glVertexShader;\n\tthis.fragmentShader = glFragmentShader;\n\n\treturn this;\n\n}\n\nlet _id = 0;\n\nclass WebGLShaderCache {\n\n\tconstructor() {\n\n\t\tthis.shaderCache = new Map();\n\t\tthis.materialCache = new Map();\n\n\t}\n\n\tupdate( material ) {\n\n\t\tconst vertexShader = material.vertexShader;\n\t\tconst fragmentShader = material.fragmentShader;\n\n\t\tconst vertexShaderStage = this._getShaderStage( vertexShader );\n\t\tconst fragmentShaderStage = this._getShaderStage( fragmentShader );\n\n\t\tconst materialShaders = this._getShaderCacheForMaterial( material );\n\n\t\tif ( materialShaders.has( vertexShaderStage ) === false ) {\n\n\t\t\tmaterialShaders.add( vertexShaderStage );\n\t\t\tvertexShaderStage.usedTimes ++;\n\n\t\t}\n\n\t\tif ( materialShaders.has( fragmentShaderStage ) === false ) {\n\n\t\t\tmaterialShaders.add( fragmentShaderStage );\n\t\t\tfragmentShaderStage.usedTimes ++;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tremove( material ) {\n\n\t\tconst materialShaders = this.materialCache.get( material );\n\n\t\tfor ( const shaderStage of materialShaders ) {\n\n\t\t\tshaderStage.usedTimes --;\n\n\t\t\tif ( shaderStage.usedTimes === 0 ) this.shaderCache.delete( shaderStage.code );\n\n\t\t}\n\n\t\tthis.materialCache.delete( material );\n\n\t\treturn this;\n\n\t}\n\n\tgetVertexShaderID( material ) {\n\n\t\treturn this._getShaderStage( material.vertexShader ).id;\n\n\t}\n\n\tgetFragmentShaderID( material ) {\n\n\t\treturn this._getShaderStage( material.fragmentShader ).id;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shaderCache.clear();\n\t\tthis.materialCache.clear();\n\n\t}\n\n\t_getShaderCacheForMaterial( material ) {\n\n\t\tconst cache = this.materialCache;\n\t\tlet set = cache.get( material );\n\n\t\tif ( set === undefined ) {\n\n\t\t\tset = new Set();\n\t\t\tcache.set( material, set );\n\n\t\t}\n\n\t\treturn set;\n\n\t}\n\n\t_getShaderStage( code ) {\n\n\t\tconst cache = this.shaderCache;\n\t\tlet stage = cache.get( code );\n\n\t\tif ( stage === undefined ) {\n\n\t\t\tstage = new WebGLShaderStage( code );\n\t\t\tcache.set( code, stage );\n\n\t\t}\n\n\t\treturn stage;\n\n\t}\n\n}\n\nclass WebGLShaderStage {\n\n\tconstructor( code ) {\n\n\t\tthis.id = _id ++;\n\n\t\tthis.code = code;\n\t\tthis.usedTimes = 0;\n\n\t}\n\n}\n\nfunction WebGLPrograms( renderer, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping ) {\n\n\tconst _programLayers = new Layers();\n\tconst _customShaders = new WebGLShaderCache();\n\tconst _activeChannels = new Set();\n\tconst programs = [];\n\n\tconst logarithmicDepthBuffer = capabilities.logarithmicDepthBuffer;\n\tconst SUPPORTS_VERTEX_TEXTURES = capabilities.vertexTextures;\n\n\tlet precision = capabilities.precision;\n\n\tconst shaderIDs = {\n\t\tMeshDepthMaterial: 'depth',\n\t\tMeshDistanceMaterial: 'distanceRGBA',\n\t\tMeshNormalMaterial: 'normal',\n\t\tMeshBasicMaterial: 'basic',\n\t\tMeshLambertMaterial: 'lambert',\n\t\tMeshPhongMaterial: 'phong',\n\t\tMeshToonMaterial: 'toon',\n\t\tMeshStandardMaterial: 'physical',\n\t\tMeshPhysicalMaterial: 'physical',\n\t\tMeshMatcapMaterial: 'matcap',\n\t\tLineBasicMaterial: 'basic',\n\t\tLineDashedMaterial: 'dashed',\n\t\tPointsMaterial: 'points',\n\t\tShadowMaterial: 'shadow',\n\t\tSpriteMaterial: 'sprite'\n\t};\n\n\tfunction getChannel( value ) {\n\n\t\t_activeChannels.add( value );\n\n\t\tif ( value === 0 ) return 'uv';\n\n\t\treturn `uv${ value }`;\n\n\t}\n\n\tfunction getParameters( material, lights, shadows, scene, object ) {\n\n\t\tconst fog = scene.fog;\n\t\tconst geometry = object.geometry;\n\t\tconst environment = material.isMeshStandardMaterial ? scene.environment : null;\n\n\t\tconst envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || environment );\n\t\tconst envMapCubeUVHeight = ( !! envMap ) && ( envMap.mapping === CubeUVReflectionMapping ) ? envMap.image.height : null;\n\n\t\tconst shaderID = shaderIDs[ material.type ];\n\n\t\t// heuristics to create shader parameters according to lights in the scene\n\t\t// (not to blow over maxLights budget)\n\n\t\tif ( material.precision !== null ) {\n\n\t\t\tprecision = capabilities.getMaxPrecision( material.precision );\n\n\t\t\tif ( precision !== material.precision ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tconst morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color;\n\t\tconst morphTargetsCount = ( morphAttribute !== undefined ) ? morphAttribute.length : 0;\n\n\t\tlet morphTextureStride = 0;\n\n\t\tif ( geometry.morphAttributes.position !== undefined ) morphTextureStride = 1;\n\t\tif ( geometry.morphAttributes.normal !== undefined ) morphTextureStride = 2;\n\t\tif ( geometry.morphAttributes.color !== undefined ) morphTextureStride = 3;\n\n\t\t//\n\n\t\tlet vertexShader, fragmentShader;\n\t\tlet customVertexShaderID, customFragmentShaderID;\n\n\t\tif ( shaderID ) {\n\n\t\t\tconst shader = ShaderLib[ shaderID ];\n\n\t\t\tvertexShader = shader.vertexShader;\n\t\t\tfragmentShader = shader.fragmentShader;\n\n\t\t} else {\n\n\t\t\tvertexShader = material.vertexShader;\n\t\t\tfragmentShader = material.fragmentShader;\n\n\t\t\t_customShaders.update( material );\n\n\t\t\tcustomVertexShaderID = _customShaders.getVertexShaderID( material );\n\t\t\tcustomFragmentShaderID = _customShaders.getFragmentShaderID( material );\n\n\t\t}\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\t\tconst reverseDepthBuffer = renderer.state.buffers.depth.getReversed();\n\n\t\tconst IS_INSTANCEDMESH = object.isInstancedMesh === true;\n\t\tconst IS_BATCHEDMESH = object.isBatchedMesh === true;\n\n\t\tconst HAS_MAP = !! material.map;\n\t\tconst HAS_MATCAP = !! material.matcap;\n\t\tconst HAS_ENVMAP = !! envMap;\n\t\tconst HAS_AOMAP = !! material.aoMap;\n\t\tconst HAS_LIGHTMAP = !! material.lightMap;\n\t\tconst HAS_BUMPMAP = !! material.bumpMap;\n\t\tconst HAS_NORMALMAP = !! material.normalMap;\n\t\tconst HAS_DISPLACEMENTMAP = !! material.displacementMap;\n\t\tconst HAS_EMISSIVEMAP = !! material.emissiveMap;\n\n\t\tconst HAS_METALNESSMAP = !! material.metalnessMap;\n\t\tconst HAS_ROUGHNESSMAP = !! material.roughnessMap;\n\n\t\tconst HAS_ANISOTROPY = material.anisotropy > 0;\n\t\tconst HAS_CLEARCOAT = material.clearcoat > 0;\n\t\tconst HAS_DISPERSION = material.dispersion > 0;\n\t\tconst HAS_IRIDESCENCE = material.iridescence > 0;\n\t\tconst HAS_SHEEN = material.sheen > 0;\n\t\tconst HAS_TRANSMISSION = material.transmission > 0;\n\n\t\tconst HAS_ANISOTROPYMAP = HAS_ANISOTROPY && !! material.anisotropyMap;\n\n\t\tconst HAS_CLEARCOATMAP = HAS_CLEARCOAT && !! material.clearcoatMap;\n\t\tconst HAS_CLEARCOAT_NORMALMAP = HAS_CLEARCOAT && !! material.clearcoatNormalMap;\n\t\tconst HAS_CLEARCOAT_ROUGHNESSMAP = HAS_CLEARCOAT && !! material.clearcoatRoughnessMap;\n\n\t\tconst HAS_IRIDESCENCEMAP = HAS_IRIDESCENCE && !! material.iridescenceMap;\n\t\tconst HAS_IRIDESCENCE_THICKNESSMAP = HAS_IRIDESCENCE && !! material.iridescenceThicknessMap;\n\n\t\tconst HAS_SHEEN_COLORMAP = HAS_SHEEN && !! material.sheenColorMap;\n\t\tconst HAS_SHEEN_ROUGHNESSMAP = HAS_SHEEN && !! material.sheenRoughnessMap;\n\n\t\tconst HAS_SPECULARMAP = !! material.specularMap;\n\t\tconst HAS_SPECULAR_COLORMAP = !! material.specularColorMap;\n\t\tconst HAS_SPECULAR_INTENSITYMAP = !! material.specularIntensityMap;\n\n\t\tconst HAS_TRANSMISSIONMAP = HAS_TRANSMISSION && !! material.transmissionMap;\n\t\tconst HAS_THICKNESSMAP = HAS_TRANSMISSION && !! material.thicknessMap;\n\n\t\tconst HAS_GRADIENTMAP = !! material.gradientMap;\n\n\t\tconst HAS_ALPHAMAP = !! material.alphaMap;\n\n\t\tconst HAS_ALPHATEST = material.alphaTest > 0;\n\n\t\tconst HAS_ALPHAHASH = !! material.alphaHash;\n\n\t\tconst HAS_EXTENSIONS = !! material.extensions;\n\n\t\tlet toneMapping = NoToneMapping;\n\n\t\tif ( material.toneMapped ) {\n\n\t\t\tif ( currentRenderTarget === null || currentRenderTarget.isXRRenderTarget === true ) {\n\n\t\t\t\ttoneMapping = renderer.toneMapping;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst parameters = {\n\n\t\t\tshaderID: shaderID,\n\t\t\tshaderType: material.type,\n\t\t\tshaderName: material.name,\n\n\t\t\tvertexShader: vertexShader,\n\t\t\tfragmentShader: fragmentShader,\n\t\t\tdefines: material.defines,\n\n\t\t\tcustomVertexShaderID: customVertexShaderID,\n\t\t\tcustomFragmentShaderID: customFragmentShaderID,\n\n\t\t\tisRawShaderMaterial: material.isRawShaderMaterial === true,\n\t\t\tglslVersion: material.glslVersion,\n\n\t\t\tprecision: precision,\n\n\t\t\tbatching: IS_BATCHEDMESH,\n\t\t\tbatchingColor: IS_BATCHEDMESH && object._colorsTexture !== null,\n\t\t\tinstancing: IS_INSTANCEDMESH,\n\t\t\tinstancingColor: IS_INSTANCEDMESH && object.instanceColor !== null,\n\t\t\tinstancingMorph: IS_INSTANCEDMESH && object.morphTexture !== null,\n\n\t\t\tsupportsVertexTextures: SUPPORTS_VERTEX_TEXTURES,\n\t\t\toutputColorSpace: ( currentRenderTarget === null ) ? renderer.outputColorSpace : ( currentRenderTarget.isXRRenderTarget === true ? currentRenderTarget.texture.colorSpace : LinearSRGBColorSpace ),\n\t\t\talphaToCoverage: !! material.alphaToCoverage,\n\n\t\t\tmap: HAS_MAP,\n\t\t\tmatcap: HAS_MATCAP,\n\t\t\tenvMap: HAS_ENVMAP,\n\t\t\tenvMapMode: HAS_ENVMAP && envMap.mapping,\n\t\t\tenvMapCubeUVHeight: envMapCubeUVHeight,\n\t\t\taoMap: HAS_AOMAP,\n\t\t\tlightMap: HAS_LIGHTMAP,\n\t\t\tbumpMap: HAS_BUMPMAP,\n\t\t\tnormalMap: HAS_NORMALMAP,\n\t\t\tdisplacementMap: SUPPORTS_VERTEX_TEXTURES && HAS_DISPLACEMENTMAP,\n\t\t\temissiveMap: HAS_EMISSIVEMAP,\n\n\t\t\tnormalMapObjectSpace: HAS_NORMALMAP && material.normalMapType === ObjectSpaceNormalMap,\n\t\t\tnormalMapTangentSpace: HAS_NORMALMAP && material.normalMapType === TangentSpaceNormalMap,\n\n\t\t\tmetalnessMap: HAS_METALNESSMAP,\n\t\t\troughnessMap: HAS_ROUGHNESSMAP,\n\n\t\t\tanisotropy: HAS_ANISOTROPY,\n\t\t\tanisotropyMap: HAS_ANISOTROPYMAP,\n\n\t\t\tclearcoat: HAS_CLEARCOAT,\n\t\t\tclearcoatMap: HAS_CLEARCOATMAP,\n\t\t\tclearcoatNormalMap: HAS_CLEARCOAT_NORMALMAP,\n\t\t\tclearcoatRoughnessMap: HAS_CLEARCOAT_ROUGHNESSMAP,\n\n\t\t\tdispersion: HAS_DISPERSION,\n\n\t\t\tiridescence: HAS_IRIDESCENCE,\n\t\t\tiridescenceMap: HAS_IRIDESCENCEMAP,\n\t\t\tiridescenceThicknessMap: HAS_IRIDESCENCE_THICKNESSMAP,\n\n\t\t\tsheen: HAS_SHEEN,\n\t\t\tsheenColorMap: HAS_SHEEN_COLORMAP,\n\t\t\tsheenRoughnessMap: HAS_SHEEN_ROUGHNESSMAP,\n\n\t\t\tspecularMap: HAS_SPECULARMAP,\n\t\t\tspecularColorMap: HAS_SPECULAR_COLORMAP,\n\t\t\tspecularIntensityMap: HAS_SPECULAR_INTENSITYMAP,\n\n\t\t\ttransmission: HAS_TRANSMISSION,\n\t\t\ttransmissionMap: HAS_TRANSMISSIONMAP,\n\t\t\tthicknessMap: HAS_THICKNESSMAP,\n\n\t\t\tgradientMap: HAS_GRADIENTMAP,\n\n\t\t\topaque: material.transparent === false && material.blending === NormalBlending && material.alphaToCoverage === false,\n\n\t\t\talphaMap: HAS_ALPHAMAP,\n\t\t\talphaTest: HAS_ALPHATEST,\n\t\t\talphaHash: HAS_ALPHAHASH,\n\n\t\t\tcombine: material.combine,\n\n\t\t\t//\n\n\t\t\tmapUv: HAS_MAP && getChannel( material.map.channel ),\n\t\t\taoMapUv: HAS_AOMAP && getChannel( material.aoMap.channel ),\n\t\t\tlightMapUv: HAS_LIGHTMAP && getChannel( material.lightMap.channel ),\n\t\t\tbumpMapUv: HAS_BUMPMAP && getChannel( material.bumpMap.channel ),\n\t\t\tnormalMapUv: HAS_NORMALMAP && getChannel( material.normalMap.channel ),\n\t\t\tdisplacementMapUv: HAS_DISPLACEMENTMAP && getChannel( material.displacementMap.channel ),\n\t\t\temissiveMapUv: HAS_EMISSIVEMAP && getChannel( material.emissiveMap.channel ),\n\n\t\t\tmetalnessMapUv: HAS_METALNESSMAP && getChannel( material.metalnessMap.channel ),\n\t\t\troughnessMapUv: HAS_ROUGHNESSMAP && getChannel( material.roughnessMap.channel ),\n\n\t\t\tanisotropyMapUv: HAS_ANISOTROPYMAP && getChannel( material.anisotropyMap.channel ),\n\n\t\t\tclearcoatMapUv: HAS_CLEARCOATMAP && getChannel( material.clearcoatMap.channel ),\n\t\t\tclearcoatNormalMapUv: HAS_CLEARCOAT_NORMALMAP && getChannel( material.clearcoatNormalMap.channel ),\n\t\t\tclearcoatRoughnessMapUv: HAS_CLEARCOAT_ROUGHNESSMAP && getChannel( material.clearcoatRoughnessMap.channel ),\n\n\t\t\tiridescenceMapUv: HAS_IRIDESCENCEMAP && getChannel( material.iridescenceMap.channel ),\n\t\t\tiridescenceThicknessMapUv: HAS_IRIDESCENCE_THICKNESSMAP && getChannel( material.iridescenceThicknessMap.channel ),\n\n\t\t\tsheenColorMapUv: HAS_SHEEN_COLORMAP && getChannel( material.sheenColorMap.channel ),\n\t\t\tsheenRoughnessMapUv: HAS_SHEEN_ROUGHNESSMAP && getChannel( material.sheenRoughnessMap.channel ),\n\n\t\t\tspecularMapUv: HAS_SPECULARMAP && getChannel( material.specularMap.channel ),\n\t\t\tspecularColorMapUv: HAS_SPECULAR_COLORMAP && getChannel( material.specularColorMap.channel ),\n\t\t\tspecularIntensityMapUv: HAS_SPECULAR_INTENSITYMAP && getChannel( material.specularIntensityMap.channel ),\n\n\t\t\ttransmissionMapUv: HAS_TRANSMISSIONMAP && getChannel( material.transmissionMap.channel ),\n\t\t\tthicknessMapUv: HAS_THICKNESSMAP && getChannel( material.thicknessMap.channel ),\n\n\t\t\talphaMapUv: HAS_ALPHAMAP && getChannel( material.alphaMap.channel ),\n\n\t\t\t//\n\n\t\t\tvertexTangents: !! geometry.attributes.tangent && ( HAS_NORMALMAP || HAS_ANISOTROPY ),\n\t\t\tvertexColors: material.vertexColors,\n\t\t\tvertexAlphas: material.vertexColors === true && !! geometry.attributes.color && geometry.attributes.color.itemSize === 4,\n\n\t\t\tpointsUvs: object.isPoints === true && !! geometry.attributes.uv && ( HAS_MAP || HAS_ALPHAMAP ),\n\n\t\t\tfog: !! fog,\n\t\t\tuseFog: material.fog === true,\n\t\t\tfogExp2: ( !! fog && fog.isFogExp2 ),\n\n\t\t\tflatShading: material.flatShading === true,\n\n\t\t\tsizeAttenuation: material.sizeAttenuation === true,\n\t\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\t\t\treverseDepthBuffer: reverseDepthBuffer,\n\n\t\t\tskinning: object.isSkinnedMesh === true,\n\n\t\t\tmorphTargets: geometry.morphAttributes.position !== undefined,\n\t\t\tmorphNormals: geometry.morphAttributes.normal !== undefined,\n\t\t\tmorphColors: geometry.morphAttributes.color !== undefined,\n\t\t\tmorphTargetsCount: morphTargetsCount,\n\t\t\tmorphTextureStride: morphTextureStride,\n\n\t\t\tnumDirLights: lights.directional.length,\n\t\t\tnumPointLights: lights.point.length,\n\t\t\tnumSpotLights: lights.spot.length,\n\t\t\tnumSpotLightMaps: lights.spotLightMap.length,\n\t\t\tnumRectAreaLights: lights.rectArea.length,\n\t\t\tnumHemiLights: lights.hemi.length,\n\n\t\t\tnumDirLightShadows: lights.directionalShadowMap.length,\n\t\t\tnumPointLightShadows: lights.pointShadowMap.length,\n\t\t\tnumSpotLightShadows: lights.spotShadowMap.length,\n\t\t\tnumSpotLightShadowsWithMaps: lights.numSpotLightShadowsWithMaps,\n\n\t\t\tnumLightProbes: lights.numLightProbes,\n\n\t\t\tnumClippingPlanes: clipping.numPlanes,\n\t\t\tnumClipIntersection: clipping.numIntersection,\n\n\t\t\tdithering: material.dithering,\n\n\t\t\tshadowMapEnabled: renderer.shadowMap.enabled && shadows.length > 0,\n\t\t\tshadowMapType: renderer.shadowMap.type,\n\n\t\t\ttoneMapping: toneMapping,\n\n\t\t\tdecodeVideoTexture: HAS_MAP && ( material.map.isVideoTexture === true ) && ( ColorManagement.getTransfer( material.map.colorSpace ) === SRGBTransfer ),\n\t\t\tdecodeVideoTextureEmissive: HAS_EMISSIVEMAP && ( material.emissiveMap.isVideoTexture === true ) && ( ColorManagement.getTransfer( material.emissiveMap.colorSpace ) === SRGBTransfer ),\n\n\t\t\tpremultipliedAlpha: material.premultipliedAlpha,\n\n\t\t\tdoubleSided: material.side === DoubleSide,\n\t\t\tflipSided: material.side === BackSide,\n\n\t\t\tuseDepthPacking: material.depthPacking >= 0,\n\t\t\tdepthPacking: material.depthPacking || 0,\n\n\t\t\tindex0AttributeName: material.index0AttributeName,\n\n\t\t\textensionClipCullDistance: HAS_EXTENSIONS && material.extensions.clipCullDistance === true && extensions.has( 'WEBGL_clip_cull_distance' ),\n\t\t\textensionMultiDraw: ( HAS_EXTENSIONS && material.extensions.multiDraw === true || IS_BATCHEDMESH ) && extensions.has( 'WEBGL_multi_draw' ),\n\n\t\t\trendererExtensionParallelShaderCompile: extensions.has( 'KHR_parallel_shader_compile' ),\n\n\t\t\tcustomProgramCacheKey: material.customProgramCacheKey()\n\n\t\t};\n\n\t\t// the usage of getChannel() determines the active texture channels for this shader\n\n\t\tparameters.vertexUv1s = _activeChannels.has( 1 );\n\t\tparameters.vertexUv2s = _activeChannels.has( 2 );\n\t\tparameters.vertexUv3s = _activeChannels.has( 3 );\n\n\t\t_activeChannels.clear();\n\n\t\treturn parameters;\n\n\t}\n\n\tfunction getProgramCacheKey( parameters ) {\n\n\t\tconst array = [];\n\n\t\tif ( parameters.shaderID ) {\n\n\t\t\tarray.push( parameters.shaderID );\n\n\t\t} else {\n\n\t\t\tarray.push( parameters.customVertexShaderID );\n\t\t\tarray.push( parameters.customFragmentShaderID );\n\n\t\t}\n\n\t\tif ( parameters.defines !== undefined ) {\n\n\t\t\tfor ( const name in parameters.defines ) {\n\n\t\t\t\tarray.push( name );\n\t\t\t\tarray.push( parameters.defines[ name ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( parameters.isRawShaderMaterial === false ) {\n\n\t\t\tgetProgramCacheKeyParameters( array, parameters );\n\t\t\tgetProgramCacheKeyBooleans( array, parameters );\n\t\t\tarray.push( renderer.outputColorSpace );\n\n\t\t}\n\n\t\tarray.push( parameters.customProgramCacheKey );\n\n\t\treturn array.join();\n\n\t}\n\n\tfunction getProgramCacheKeyParameters( array, parameters ) {\n\n\t\tarray.push( parameters.precision );\n\t\tarray.push( parameters.outputColorSpace );\n\t\tarray.push( parameters.envMapMode );\n\t\tarray.push( parameters.envMapCubeUVHeight );\n\t\tarray.push( parameters.mapUv );\n\t\tarray.push( parameters.alphaMapUv );\n\t\tarray.push( parameters.lightMapUv );\n\t\tarray.push( parameters.aoMapUv );\n\t\tarray.push( parameters.bumpMapUv );\n\t\tarray.push( parameters.normalMapUv );\n\t\tarray.push( parameters.displacementMapUv );\n\t\tarray.push( parameters.emissiveMapUv );\n\t\tarray.push( parameters.metalnessMapUv );\n\t\tarray.push( parameters.roughnessMapUv );\n\t\tarray.push( parameters.anisotropyMapUv );\n\t\tarray.push( parameters.clearcoatMapUv );\n\t\tarray.push( parameters.clearcoatNormalMapUv );\n\t\tarray.push( parameters.clearcoatRoughnessMapUv );\n\t\tarray.push( parameters.iridescenceMapUv );\n\t\tarray.push( parameters.iridescenceThicknessMapUv );\n\t\tarray.push( parameters.sheenColorMapUv );\n\t\tarray.push( parameters.sheenRoughnessMapUv );\n\t\tarray.push( parameters.specularMapUv );\n\t\tarray.push( parameters.specularColorMapUv );\n\t\tarray.push( parameters.specularIntensityMapUv );\n\t\tarray.push( parameters.transmissionMapUv );\n\t\tarray.push( parameters.thicknessMapUv );\n\t\tarray.push( parameters.combine );\n\t\tarray.push( parameters.fogExp2 );\n\t\tarray.push( parameters.sizeAttenuation );\n\t\tarray.push( parameters.morphTargetsCount );\n\t\tarray.push( parameters.morphAttributeCount );\n\t\tarray.push( parameters.numDirLights );\n\t\tarray.push( parameters.numPointLights );\n\t\tarray.push( parameters.numSpotLights );\n\t\tarray.push( parameters.numSpotLightMaps );\n\t\tarray.push( parameters.numHemiLights );\n\t\tarray.push( parameters.numRectAreaLights );\n\t\tarray.push( parameters.numDirLightShadows );\n\t\tarray.push( parameters.numPointLightShadows );\n\t\tarray.push( parameters.numSpotLightShadows );\n\t\tarray.push( parameters.numSpotLightShadowsWithMaps );\n\t\tarray.push( parameters.numLightProbes );\n\t\tarray.push( parameters.shadowMapType );\n\t\tarray.push( parameters.toneMapping );\n\t\tarray.push( parameters.numClippingPlanes );\n\t\tarray.push( parameters.numClipIntersection );\n\t\tarray.push( parameters.depthPacking );\n\n\t}\n\n\tfunction getProgramCacheKeyBooleans( array, parameters ) {\n\n\t\t_programLayers.disableAll();\n\n\t\tif ( parameters.supportsVertexTextures )\n\t\t\t_programLayers.enable( 0 );\n\t\tif ( parameters.instancing )\n\t\t\t_programLayers.enable( 1 );\n\t\tif ( parameters.instancingColor )\n\t\t\t_programLayers.enable( 2 );\n\t\tif ( parameters.instancingMorph )\n\t\t\t_programLayers.enable( 3 );\n\t\tif ( parameters.matcap )\n\t\t\t_programLayers.enable( 4 );\n\t\tif ( parameters.envMap )\n\t\t\t_programLayers.enable( 5 );\n\t\tif ( parameters.normalMapObjectSpace )\n\t\t\t_programLayers.enable( 6 );\n\t\tif ( parameters.normalMapTangentSpace )\n\t\t\t_programLayers.enable( 7 );\n\t\tif ( parameters.clearcoat )\n\t\t\t_programLayers.enable( 8 );\n\t\tif ( parameters.iridescence )\n\t\t\t_programLayers.enable( 9 );\n\t\tif ( parameters.alphaTest )\n\t\t\t_programLayers.enable( 10 );\n\t\tif ( parameters.vertexColors )\n\t\t\t_programLayers.enable( 11 );\n\t\tif ( parameters.vertexAlphas )\n\t\t\t_programLayers.enable( 12 );\n\t\tif ( parameters.vertexUv1s )\n\t\t\t_programLayers.enable( 13 );\n\t\tif ( parameters.vertexUv2s )\n\t\t\t_programLayers.enable( 14 );\n\t\tif ( parameters.vertexUv3s )\n\t\t\t_programLayers.enable( 15 );\n\t\tif ( parameters.vertexTangents )\n\t\t\t_programLayers.enable( 16 );\n\t\tif ( parameters.anisotropy )\n\t\t\t_programLayers.enable( 17 );\n\t\tif ( parameters.alphaHash )\n\t\t\t_programLayers.enable( 18 );\n\t\tif ( parameters.batching )\n\t\t\t_programLayers.enable( 19 );\n\t\tif ( parameters.dispersion )\n\t\t\t_programLayers.enable( 20 );\n\t\tif ( parameters.batchingColor )\n\t\t\t_programLayers.enable( 21 );\n\n\t\tarray.push( _programLayers.mask );\n\t\t_programLayers.disableAll();\n\n\t\tif ( parameters.fog )\n\t\t\t_programLayers.enable( 0 );\n\t\tif ( parameters.useFog )\n\t\t\t_programLayers.enable( 1 );\n\t\tif ( parameters.flatShading )\n\t\t\t_programLayers.enable( 2 );\n\t\tif ( parameters.logarithmicDepthBuffer )\n\t\t\t_programLayers.enable( 3 );\n\t\tif ( parameters.reverseDepthBuffer )\n\t\t\t_programLayers.enable( 4 );\n\t\tif ( parameters.skinning )\n\t\t\t_programLayers.enable( 5 );\n\t\tif ( parameters.morphTargets )\n\t\t\t_programLayers.enable( 6 );\n\t\tif ( parameters.morphNormals )\n\t\t\t_programLayers.enable( 7 );\n\t\tif ( parameters.morphColors )\n\t\t\t_programLayers.enable( 8 );\n\t\tif ( parameters.premultipliedAlpha )\n\t\t\t_programLayers.enable( 9 );\n\t\tif ( parameters.shadowMapEnabled )\n\t\t\t_programLayers.enable( 10 );\n\t\tif ( parameters.doubleSided )\n\t\t\t_programLayers.enable( 11 );\n\t\tif ( parameters.flipSided )\n\t\t\t_programLayers.enable( 12 );\n\t\tif ( parameters.useDepthPacking )\n\t\t\t_programLayers.enable( 13 );\n\t\tif ( parameters.dithering )\n\t\t\t_programLayers.enable( 14 );\n\t\tif ( parameters.transmission )\n\t\t\t_programLayers.enable( 15 );\n\t\tif ( parameters.sheen )\n\t\t\t_programLayers.enable( 16 );\n\t\tif ( parameters.opaque )\n\t\t\t_programLayers.enable( 17 );\n\t\tif ( parameters.pointsUvs )\n\t\t\t_programLayers.enable( 18 );\n\t\tif ( parameters.decodeVideoTexture )\n\t\t\t_programLayers.enable( 19 );\n\t\tif ( parameters.decodeVideoTextureEmissive )\n\t\t\t_programLayers.enable( 20 );\n\t\tif ( parameters.alphaToCoverage )\n\t\t\t_programLayers.enable( 21 );\n\n\t\tarray.push( _programLayers.mask );\n\n\t}\n\n\tfunction getUniforms( material ) {\n\n\t\tconst shaderID = shaderIDs[ material.type ];\n\t\tlet uniforms;\n\n\t\tif ( shaderID ) {\n\n\t\t\tconst shader = ShaderLib[ shaderID ];\n\t\t\tuniforms = UniformsUtils.clone( shader.uniforms );\n\n\t\t} else {\n\n\t\t\tuniforms = material.uniforms;\n\n\t\t}\n\n\t\treturn uniforms;\n\n\t}\n\n\tfunction acquireProgram( parameters, cacheKey ) {\n\n\t\tlet program;\n\n\t\t// Check if code has been already compiled\n\t\tfor ( let p = 0, pl = programs.length; p < pl; p ++ ) {\n\n\t\t\tconst preexistingProgram = programs[ p ];\n\n\t\t\tif ( preexistingProgram.cacheKey === cacheKey ) {\n\n\t\t\t\tprogram = preexistingProgram;\n\t\t\t\t++ program.usedTimes;\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( program === undefined ) {\n\n\t\t\tprogram = new WebGLProgram( renderer, cacheKey, parameters, bindingStates );\n\t\t\tprograms.push( program );\n\n\t\t}\n\n\t\treturn program;\n\n\t}\n\n\tfunction releaseProgram( program ) {\n\n\t\tif ( -- program.usedTimes === 0 ) {\n\n\t\t\t// Remove from unordered set\n\t\t\tconst i = programs.indexOf( program );\n\t\t\tprograms[ i ] = programs[ programs.length - 1 ];\n\t\t\tprograms.pop();\n\n\t\t\t// Free WebGL resources\n\t\t\tprogram.destroy();\n\n\t\t}\n\n\t}\n\n\tfunction releaseShaderCache( material ) {\n\n\t\t_customShaders.remove( material );\n\n\t}\n\n\tfunction dispose() {\n\n\t\t_customShaders.dispose();\n\n\t}\n\n\treturn {\n\t\tgetParameters: getParameters,\n\t\tgetProgramCacheKey: getProgramCacheKey,\n\t\tgetUniforms: getUniforms,\n\t\tacquireProgram: acquireProgram,\n\t\treleaseProgram: releaseProgram,\n\t\treleaseShaderCache: releaseShaderCache,\n\t\t// Exposed for resource monitoring & error feedback via renderer.info:\n\t\tprograms: programs,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction WebGLProperties() {\n\n\tlet properties = new WeakMap();\n\n\tfunction has( object ) {\n\n\t\treturn properties.has( object );\n\n\t}\n\n\tfunction get( object ) {\n\n\t\tlet map = properties.get( object );\n\n\t\tif ( map === undefined ) {\n\n\t\t\tmap = {};\n\t\t\tproperties.set( object, map );\n\n\t\t}\n\n\t\treturn map;\n\n\t}\n\n\tfunction remove( object ) {\n\n\t\tproperties.delete( object );\n\n\t}\n\n\tfunction update( object, key, value ) {\n\n\t\tproperties.get( object )[ key ] = value;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tproperties = new WeakMap();\n\n\t}\n\n\treturn {\n\t\thas: has,\n\t\tget: get,\n\t\tremove: remove,\n\t\tupdate: update,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction painterSortStable( a, b ) {\n\n\tif ( a.groupOrder !== b.groupOrder ) {\n\n\t\treturn a.groupOrder - b.groupOrder;\n\n\t} else if ( a.renderOrder !== b.renderOrder ) {\n\n\t\treturn a.renderOrder - b.renderOrder;\n\n\t} else if ( a.material.id !== b.material.id ) {\n\n\t\treturn a.material.id - b.material.id;\n\n\t} else if ( a.z !== b.z ) {\n\n\t\treturn a.z - b.z;\n\n\t} else {\n\n\t\treturn a.id - b.id;\n\n\t}\n\n}\n\nfunction reversePainterSortStable( a, b ) {\n\n\tif ( a.groupOrder !== b.groupOrder ) {\n\n\t\treturn a.groupOrder - b.groupOrder;\n\n\t} else if ( a.renderOrder !== b.renderOrder ) {\n\n\t\treturn a.renderOrder - b.renderOrder;\n\n\t} else if ( a.z !== b.z ) {\n\n\t\treturn b.z - a.z;\n\n\t} else {\n\n\t\treturn a.id - b.id;\n\n\t}\n\n}\n\n\nfunction WebGLRenderList() {\n\n\tconst renderItems = [];\n\tlet renderItemsIndex = 0;\n\n\tconst opaque = [];\n\tconst transmissive = [];\n\tconst transparent = [];\n\n\tfunction init() {\n\n\t\trenderItemsIndex = 0;\n\n\t\topaque.length = 0;\n\t\ttransmissive.length = 0;\n\t\ttransparent.length = 0;\n\n\t}\n\n\tfunction getNextRenderItem( object, geometry, material, groupOrder, z, group ) {\n\n\t\tlet renderItem = renderItems[ renderItemsIndex ];\n\n\t\tif ( renderItem === undefined ) {\n\n\t\t\trenderItem = {\n\t\t\t\tid: object.id,\n\t\t\t\tobject: object,\n\t\t\t\tgeometry: geometry,\n\t\t\t\tmaterial: material,\n\t\t\t\tgroupOrder: groupOrder,\n\t\t\t\trenderOrder: object.renderOrder,\n\t\t\t\tz: z,\n\t\t\t\tgroup: group\n\t\t\t};\n\n\t\t\trenderItems[ renderItemsIndex ] = renderItem;\n\n\t\t} else {\n\n\t\t\trenderItem.id = object.id;\n\t\t\trenderItem.object = object;\n\t\t\trenderItem.geometry = geometry;\n\t\t\trenderItem.material = material;\n\t\t\trenderItem.groupOrder = groupOrder;\n\t\t\trenderItem.renderOrder = object.renderOrder;\n\t\t\trenderItem.z = z;\n\t\t\trenderItem.group = group;\n\n\t\t}\n\n\t\trenderItemsIndex ++;\n\n\t\treturn renderItem;\n\n\t}\n\n\tfunction push( object, geometry, material, groupOrder, z, group ) {\n\n\t\tconst renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group );\n\n\t\tif ( material.transmission > 0.0 ) {\n\n\t\t\ttransmissive.push( renderItem );\n\n\t\t} else if ( material.transparent === true ) {\n\n\t\t\ttransparent.push( renderItem );\n\n\t\t} else {\n\n\t\t\topaque.push( renderItem );\n\n\t\t}\n\n\t}\n\n\tfunction unshift( object, geometry, material, groupOrder, z, group ) {\n\n\t\tconst renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group );\n\n\t\tif ( material.transmission > 0.0 ) {\n\n\t\t\ttransmissive.unshift( renderItem );\n\n\t\t} else if ( material.transparent === true ) {\n\n\t\t\ttransparent.unshift( renderItem );\n\n\t\t} else {\n\n\t\t\topaque.unshift( renderItem );\n\n\t\t}\n\n\t}\n\n\tfunction sort( customOpaqueSort, customTransparentSort ) {\n\n\t\tif ( opaque.length > 1 ) opaque.sort( customOpaqueSort || painterSortStable );\n\t\tif ( transmissive.length > 1 ) transmissive.sort( customTransparentSort || reversePainterSortStable );\n\t\tif ( transparent.length > 1 ) transparent.sort( customTransparentSort || reversePainterSortStable );\n\n\t}\n\n\tfunction finish() {\n\n\t\t// Clear references from inactive renderItems in the list\n\n\t\tfor ( let i = renderItemsIndex, il = renderItems.length; i < il; i ++ ) {\n\n\t\t\tconst renderItem = renderItems[ i ];\n\n\t\t\tif ( renderItem.id === null ) break;\n\n\t\t\trenderItem.id = null;\n\t\t\trenderItem.object = null;\n\t\t\trenderItem.geometry = null;\n\t\t\trenderItem.material = null;\n\t\t\trenderItem.group = null;\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\topaque: opaque,\n\t\ttransmissive: transmissive,\n\t\ttransparent: transparent,\n\n\t\tinit: init,\n\t\tpush: push,\n\t\tunshift: unshift,\n\t\tfinish: finish,\n\n\t\tsort: sort\n\t};\n\n}\n\nfunction WebGLRenderLists() {\n\n\tlet lists = new WeakMap();\n\n\tfunction get( scene, renderCallDepth ) {\n\n\t\tconst listArray = lists.get( scene );\n\t\tlet list;\n\n\t\tif ( listArray === undefined ) {\n\n\t\t\tlist = new WebGLRenderList();\n\t\t\tlists.set( scene, [ list ] );\n\n\t\t} else {\n\n\t\t\tif ( renderCallDepth >= listArray.length ) {\n\n\t\t\t\tlist = new WebGLRenderList();\n\t\t\t\tlistArray.push( list );\n\n\t\t\t} else {\n\n\t\t\t\tlist = listArray[ renderCallDepth ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn list;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tlists = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction UniformsCache() {\n\n\tconst lights = {};\n\n\treturn {\n\n\t\tget: function ( light ) {\n\n\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\treturn lights[ light.id ];\n\n\t\t\t}\n\n\t\t\tlet uniforms;\n\n\t\t\tswitch ( light.type ) {\n\n\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tcolor: new Color()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'SpotLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\tconeCos: 0,\n\t\t\t\t\t\tpenumbraCos: 0,\n\t\t\t\t\t\tdecay: 0\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'PointLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\tdecay: 0\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'HemisphereLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tskyColor: new Color(),\n\t\t\t\t\t\tgroundColor: new Color()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'RectAreaLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\thalfWidth: new Vector3(),\n\t\t\t\t\t\thalfHeight: new Vector3()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\treturn uniforms;\n\n\t\t}\n\n\t};\n\n}\n\nfunction ShadowUniformsCache() {\n\n\tconst lights = {};\n\n\treturn {\n\n\t\tget: function ( light ) {\n\n\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\treturn lights[ light.id ];\n\n\t\t\t}\n\n\t\t\tlet uniforms;\n\n\t\t\tswitch ( light.type ) {\n\n\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowIntensity: 1,\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'SpotLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowIntensity: 1,\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'PointLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowIntensity: 1,\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2(),\n\t\t\t\t\t\tshadowCameraNear: 1,\n\t\t\t\t\t\tshadowCameraFar: 1000\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\t// TODO (abelnation): set RectAreaLight shadow uniforms\n\n\t\t\t}\n\n\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\treturn uniforms;\n\n\t\t}\n\n\t};\n\n}\n\n\n\nlet nextVersion = 0;\n\nfunction shadowCastingAndTexturingLightsFirst( lightA, lightB ) {\n\n\treturn ( lightB.castShadow ? 2 : 0 ) - ( lightA.castShadow ? 2 : 0 ) + ( lightB.map ? 1 : 0 ) - ( lightA.map ? 1 : 0 );\n\n}\n\nfunction WebGLLights( extensions ) {\n\n\tconst cache = new UniformsCache();\n\n\tconst shadowCache = ShadowUniformsCache();\n\n\tconst state = {\n\n\t\tversion: 0,\n\n\t\thash: {\n\t\t\tdirectionalLength: - 1,\n\t\t\tpointLength: - 1,\n\t\t\tspotLength: - 1,\n\t\t\trectAreaLength: - 1,\n\t\t\themiLength: - 1,\n\n\t\t\tnumDirectionalShadows: - 1,\n\t\t\tnumPointShadows: - 1,\n\t\t\tnumSpotShadows: - 1,\n\t\t\tnumSpotMaps: - 1,\n\n\t\t\tnumLightProbes: - 1\n\t\t},\n\n\t\tambient: [ 0, 0, 0 ],\n\t\tprobe: [],\n\t\tdirectional: [],\n\t\tdirectionalShadow: [],\n\t\tdirectionalShadowMap: [],\n\t\tdirectionalShadowMatrix: [],\n\t\tspot: [],\n\t\tspotLightMap: [],\n\t\tspotShadow: [],\n\t\tspotShadowMap: [],\n\t\tspotLightMatrix: [],\n\t\trectArea: [],\n\t\trectAreaLTC1: null,\n\t\trectAreaLTC2: null,\n\t\tpoint: [],\n\t\tpointShadow: [],\n\t\tpointShadowMap: [],\n\t\tpointShadowMatrix: [],\n\t\themi: [],\n\t\tnumSpotLightShadowsWithMaps: 0,\n\t\tnumLightProbes: 0\n\n\t};\n\n\tfor ( let i = 0; i < 9; i ++ ) state.probe.push( new Vector3() );\n\n\tconst vector3 = new Vector3();\n\tconst matrix4 = new Matrix4();\n\tconst matrix42 = new Matrix4();\n\n\tfunction setup( lights ) {\n\n\t\tlet r = 0, g = 0, b = 0;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) state.probe[ i ].set( 0, 0, 0 );\n\n\t\tlet directionalLength = 0;\n\t\tlet pointLength = 0;\n\t\tlet spotLength = 0;\n\t\tlet rectAreaLength = 0;\n\t\tlet hemiLength = 0;\n\n\t\tlet numDirectionalShadows = 0;\n\t\tlet numPointShadows = 0;\n\t\tlet numSpotShadows = 0;\n\t\tlet numSpotMaps = 0;\n\t\tlet numSpotShadowsWithMaps = 0;\n\n\t\tlet numLightProbes = 0;\n\n\t\t// ordering : [shadow casting + map texturing, map texturing, shadow casting, none ]\n\t\tlights.sort( shadowCastingAndTexturingLightsFirst );\n\n\t\tfor ( let i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\n\t\t\tconst color = light.color;\n\t\t\tconst intensity = light.intensity;\n\t\t\tconst distance = light.distance;\n\n\t\t\tconst shadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null;\n\n\t\t\tif ( light.isAmbientLight ) {\n\n\t\t\t\tr += color.r * intensity;\n\t\t\t\tg += color.g * intensity;\n\t\t\t\tb += color.b * intensity;\n\n\t\t\t} else if ( light.isLightProbe ) {\n\n\t\t\t\tfor ( let j = 0; j < 9; j ++ ) {\n\n\t\t\t\t\tstate.probe[ j ].addScaledVector( light.sh.coefficients[ j ], intensity );\n\n\t\t\t\t}\n\n\t\t\t\tnumLightProbes ++;\n\n\t\t\t} else if ( light.isDirectionalLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity );\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowIntensity = shadow.intensity;\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\n\t\t\t\t\tstate.directionalShadow[ directionalLength ] = shadowUniforms;\n\t\t\t\t\tstate.directionalShadowMap[ directionalLength ] = shadowMap;\n\t\t\t\t\tstate.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix;\n\n\t\t\t\t\tnumDirectionalShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.directional[ directionalLength ] = uniforms;\n\n\t\t\t\tdirectionalLength ++;\n\n\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\n\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity );\n\t\t\t\tuniforms.distance = distance;\n\n\t\t\t\tuniforms.coneCos = Math.cos( light.angle );\n\t\t\t\tuniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) );\n\t\t\t\tuniforms.decay = light.decay;\n\n\t\t\t\tstate.spot[ spotLength ] = uniforms;\n\n\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\tif ( light.map ) {\n\n\t\t\t\t\tstate.spotLightMap[ numSpotMaps ] = light.map;\n\t\t\t\t\tnumSpotMaps ++;\n\n\t\t\t\t\t// make sure the lightMatrix is up to date\n\t\t\t\t\t// TODO : do it if required only\n\t\t\t\t\tshadow.updateMatrices( light );\n\n\t\t\t\t\tif ( light.castShadow ) numSpotShadowsWithMaps ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.spotLightMatrix[ spotLength ] = shadow.matrix;\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowIntensity = shadow.intensity;\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\n\t\t\t\t\tstate.spotShadow[ spotLength ] = shadowUniforms;\n\t\t\t\t\tstate.spotShadowMap[ spotLength ] = shadowMap;\n\n\t\t\t\t\tnumSpotShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tspotLength ++;\n\n\t\t\t} else if ( light.isRectAreaLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity );\n\n\t\t\t\tuniforms.halfWidth.set( light.width * 0.5, 0.0, 0.0 );\n\t\t\t\tuniforms.halfHeight.set( 0.0, light.height * 0.5, 0.0 );\n\n\t\t\t\tstate.rectArea[ rectAreaLength ] = uniforms;\n\n\t\t\t\trectAreaLength ++;\n\n\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity );\n\t\t\t\tuniforms.distance = light.distance;\n\t\t\t\tuniforms.decay = light.decay;\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowIntensity = shadow.intensity;\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\t\t\t\t\tshadowUniforms.shadowCameraNear = shadow.camera.near;\n\t\t\t\t\tshadowUniforms.shadowCameraFar = shadow.camera.far;\n\n\t\t\t\t\tstate.pointShadow[ pointLength ] = shadowUniforms;\n\t\t\t\t\tstate.pointShadowMap[ pointLength ] = shadowMap;\n\t\t\t\t\tstate.pointShadowMatrix[ pointLength ] = light.shadow.matrix;\n\n\t\t\t\t\tnumPointShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.point[ pointLength ] = uniforms;\n\n\t\t\t\tpointLength ++;\n\n\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.skyColor.copy( light.color ).multiplyScalar( intensity );\n\t\t\t\tuniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity );\n\n\t\t\t\tstate.hemi[ hemiLength ] = uniforms;\n\n\t\t\t\themiLength ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( rectAreaLength > 0 ) {\n\n\t\t\tif ( extensions.has( 'OES_texture_float_linear' ) === true ) {\n\n\t\t\t\tstate.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1;\n\t\t\t\tstate.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2;\n\n\t\t\t} else {\n\n\t\t\t\tstate.rectAreaLTC1 = UniformsLib.LTC_HALF_1;\n\t\t\t\tstate.rectAreaLTC2 = UniformsLib.LTC_HALF_2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.ambient[ 0 ] = r;\n\t\tstate.ambient[ 1 ] = g;\n\t\tstate.ambient[ 2 ] = b;\n\n\t\tconst hash = state.hash;\n\n\t\tif ( hash.directionalLength !== directionalLength ||\n\t\t\thash.pointLength !== pointLength ||\n\t\t\thash.spotLength !== spotLength ||\n\t\t\thash.rectAreaLength !== rectAreaLength ||\n\t\t\thash.hemiLength !== hemiLength ||\n\t\t\thash.numDirectionalShadows !== numDirectionalShadows ||\n\t\t\thash.numPointShadows !== numPointShadows ||\n\t\t\thash.numSpotShadows !== numSpotShadows ||\n\t\t\thash.numSpotMaps !== numSpotMaps ||\n\t\t\thash.numLightProbes !== numLightProbes ) {\n\n\t\t\tstate.directional.length = directionalLength;\n\t\t\tstate.spot.length = spotLength;\n\t\t\tstate.rectArea.length = rectAreaLength;\n\t\t\tstate.point.length = pointLength;\n\t\t\tstate.hemi.length = hemiLength;\n\n\t\t\tstate.directionalShadow.length = numDirectionalShadows;\n\t\t\tstate.directionalShadowMap.length = numDirectionalShadows;\n\t\t\tstate.pointShadow.length = numPointShadows;\n\t\t\tstate.pointShadowMap.length = numPointShadows;\n\t\t\tstate.spotShadow.length = numSpotShadows;\n\t\t\tstate.spotShadowMap.length = numSpotShadows;\n\t\t\tstate.directionalShadowMatrix.length = numDirectionalShadows;\n\t\t\tstate.pointShadowMatrix.length = numPointShadows;\n\t\t\tstate.spotLightMatrix.length = numSpotShadows + numSpotMaps - numSpotShadowsWithMaps;\n\t\t\tstate.spotLightMap.length = numSpotMaps;\n\t\t\tstate.numSpotLightShadowsWithMaps = numSpotShadowsWithMaps;\n\t\t\tstate.numLightProbes = numLightProbes;\n\n\t\t\thash.directionalLength = directionalLength;\n\t\t\thash.pointLength = pointLength;\n\t\t\thash.spotLength = spotLength;\n\t\t\thash.rectAreaLength = rectAreaLength;\n\t\t\thash.hemiLength = hemiLength;\n\n\t\t\thash.numDirectionalShadows = numDirectionalShadows;\n\t\t\thash.numPointShadows = numPointShadows;\n\t\t\thash.numSpotShadows = numSpotShadows;\n\t\t\thash.numSpotMaps = numSpotMaps;\n\n\t\t\thash.numLightProbes = numLightProbes;\n\n\t\t\tstate.version = nextVersion ++;\n\n\t\t}\n\n\t}\n\n\tfunction setupView( lights, camera ) {\n\n\t\tlet directionalLength = 0;\n\t\tlet pointLength = 0;\n\t\tlet spotLength = 0;\n\t\tlet rectAreaLength = 0;\n\t\tlet hemiLength = 0;\n\n\t\tconst viewMatrix = camera.matrixWorldInverse;\n\n\t\tfor ( let i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\n\t\t\tif ( light.isDirectionalLight ) {\n\n\t\t\t\tconst uniforms = state.directional[ directionalLength ];\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tvector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\tuniforms.direction.sub( vector3 );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\tdirectionalLength ++;\n\n\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\tconst uniforms = state.spot[ spotLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tvector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\tuniforms.direction.sub( vector3 );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\tspotLength ++;\n\n\t\t\t} else if ( light.isRectAreaLight ) {\n\n\t\t\t\tconst uniforms = state.rectArea[ rectAreaLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t// extract local rotation of light to derive width/height half vectors\n\t\t\t\tmatrix42.identity();\n\t\t\t\tmatrix4.copy( light.matrixWorld );\n\t\t\t\tmatrix4.premultiply( viewMatrix );\n\t\t\t\tmatrix42.extractRotation( matrix4 );\n\n\t\t\t\tuniforms.halfWidth.set( light.width * 0.5, 0.0, 0.0 );\n\t\t\t\tuniforms.halfHeight.set( 0.0, light.height * 0.5, 0.0 );\n\n\t\t\t\tuniforms.halfWidth.applyMatrix4( matrix42 );\n\t\t\t\tuniforms.halfHeight.applyMatrix4( matrix42 );\n\n\t\t\t\trectAreaLength ++;\n\n\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\tconst uniforms = state.point[ pointLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\tpointLength ++;\n\n\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\tconst uniforms = state.hemi[ hemiLength ];\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\themiLength ++;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tsetup: setup,\n\t\tsetupView: setupView,\n\t\tstate: state\n\t};\n\n}\n\nfunction WebGLRenderState( extensions ) {\n\n\tconst lights = new WebGLLights( extensions );\n\n\tconst lightsArray = [];\n\tconst shadowsArray = [];\n\n\tfunction init( camera ) {\n\n\t\tstate.camera = camera;\n\n\t\tlightsArray.length = 0;\n\t\tshadowsArray.length = 0;\n\n\t}\n\n\tfunction pushLight( light ) {\n\n\t\tlightsArray.push( light );\n\n\t}\n\n\tfunction pushShadow( shadowLight ) {\n\n\t\tshadowsArray.push( shadowLight );\n\n\t}\n\n\tfunction setupLights() {\n\n\t\tlights.setup( lightsArray );\n\n\t}\n\n\tfunction setupLightsView( camera ) {\n\n\t\tlights.setupView( lightsArray, camera );\n\n\t}\n\n\tconst state = {\n\t\tlightsArray: lightsArray,\n\t\tshadowsArray: shadowsArray,\n\n\t\tcamera: null,\n\n\t\tlights: lights,\n\n\t\ttransmissionRenderTarget: {}\n\t};\n\n\treturn {\n\t\tinit: init,\n\t\tstate: state,\n\t\tsetupLights: setupLights,\n\t\tsetupLightsView: setupLightsView,\n\n\t\tpushLight: pushLight,\n\t\tpushShadow: pushShadow\n\t};\n\n}\n\nfunction WebGLRenderStates( extensions ) {\n\n\tlet renderStates = new WeakMap();\n\n\tfunction get( scene, renderCallDepth = 0 ) {\n\n\t\tconst renderStateArray = renderStates.get( scene );\n\t\tlet renderState;\n\n\t\tif ( renderStateArray === undefined ) {\n\n\t\t\trenderState = new WebGLRenderState( extensions );\n\t\t\trenderStates.set( scene, [ renderState ] );\n\n\t\t} else {\n\n\t\t\tif ( renderCallDepth >= renderStateArray.length ) {\n\n\t\t\t\trenderState = new WebGLRenderState( extensions );\n\t\t\t\trenderStateArray.push( renderState );\n\n\t\t\t} else {\n\n\t\t\t\trenderState = renderStateArray[ renderCallDepth ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn renderState;\n\n\t}\n\n\tfunction dispose() {\n\n\t\trenderStates = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nconst vertex = \"void main() {\\n\\tgl_Position = vec4( position, 1.0 );\\n}\";\n\nconst fragment = \"uniform sampler2D shadow_pass;\\nuniform vec2 resolution;\\nuniform float radius;\\n#include \\nvoid main() {\\n\\tconst float samples = float( VSM_SAMPLES );\\n\\tfloat mean = 0.0;\\n\\tfloat squared_mean = 0.0;\\n\\tfloat uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\\n\\tfloat uvStart = samples <= 1.0 ? 0.0 : - 1.0;\\n\\tfor ( float i = 0.0; i < samples; i ++ ) {\\n\\t\\tfloat uvOffset = uvStart + i * uvStride;\\n\\t\\t#ifdef HORIZONTAL_PASS\\n\\t\\t\\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\\n\\t\\t\\tmean += distribution.x;\\n\\t\\t\\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\\n\\t\\t#else\\n\\t\\t\\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\\n\\t\\t\\tmean += depth;\\n\\t\\t\\tsquared_mean += depth * depth;\\n\\t\\t#endif\\n\\t}\\n\\tmean = mean / samples;\\n\\tsquared_mean = squared_mean / samples;\\n\\tfloat std_dev = sqrt( squared_mean - mean * mean );\\n\\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\\n}\";\n\nfunction WebGLShadowMap( renderer, objects, capabilities ) {\n\n\tlet _frustum = new Frustum();\n\n\tconst _shadowMapSize = new Vector2(),\n\t\t_viewportSize = new Vector2(),\n\n\t\t_viewport = new Vector4(),\n\n\t\t_depthMaterial = new MeshDepthMaterial( { depthPacking: RGBADepthPacking } ),\n\t\t_distanceMaterial = new MeshDistanceMaterial(),\n\n\t\t_materialCache = {},\n\n\t\t_maxTextureSize = capabilities.maxTextureSize;\n\n\tconst shadowSide = { [ FrontSide ]: BackSide, [ BackSide ]: FrontSide, [ DoubleSide ]: DoubleSide };\n\n\tconst shadowMaterialVertical = new ShaderMaterial( {\n\t\tdefines: {\n\t\t\tVSM_SAMPLES: 8\n\t\t},\n\t\tuniforms: {\n\t\t\tshadow_pass: { value: null },\n\t\t\tresolution: { value: new Vector2() },\n\t\t\tradius: { value: 4.0 }\n\t\t},\n\n\t\tvertexShader: vertex,\n\t\tfragmentShader: fragment\n\n\t} );\n\n\tconst shadowMaterialHorizontal = shadowMaterialVertical.clone();\n\tshadowMaterialHorizontal.defines.HORIZONTAL_PASS = 1;\n\n\tconst fullScreenTri = new BufferGeometry();\n\tfullScreenTri.setAttribute(\n\t\t'position',\n\t\tnew BufferAttribute(\n\t\t\tnew Float32Array( [ - 1, - 1, 0.5, 3, - 1, 0.5, - 1, 3, 0.5 ] ),\n\t\t\t3\n\t\t)\n\t);\n\n\tconst fullScreenMesh = new Mesh( fullScreenTri, shadowMaterialVertical );\n\n\tconst scope = this;\n\n\tthis.enabled = false;\n\n\tthis.autoUpdate = true;\n\tthis.needsUpdate = false;\n\n\tthis.type = PCFShadowMap;\n\tlet _previousType = this.type;\n\n\tthis.render = function ( lights, scene, camera ) {\n\n\t\tif ( scope.enabled === false ) return;\n\t\tif ( scope.autoUpdate === false && scope.needsUpdate === false ) return;\n\n\t\tif ( lights.length === 0 ) return;\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\t\tconst activeCubeFace = renderer.getActiveCubeFace();\n\t\tconst activeMipmapLevel = renderer.getActiveMipmapLevel();\n\n\t\tconst _state = renderer.state;\n\n\t\t// Set GL state for depth map.\n\t\t_state.setBlending( NoBlending );\n\t\t_state.buffers.color.setClear( 1, 1, 1, 1 );\n\t\t_state.buffers.depth.setTest( true );\n\t\t_state.setScissorTest( false );\n\n\t\t// check for shadow map type changes\n\n\t\tconst toVSM = ( _previousType !== VSMShadowMap && this.type === VSMShadowMap );\n\t\tconst fromVSM = ( _previousType === VSMShadowMap && this.type !== VSMShadowMap );\n\n\t\t// render depth map\n\n\t\tfor ( let i = 0, il = lights.length; i < il; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\t\t\tconst shadow = light.shadow;\n\n\t\t\tif ( shadow === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tif ( shadow.autoUpdate === false && shadow.needsUpdate === false ) continue;\n\n\t\t\t_shadowMapSize.copy( shadow.mapSize );\n\n\t\t\tconst shadowFrameExtents = shadow.getFrameExtents();\n\n\t\t\t_shadowMapSize.multiply( shadowFrameExtents );\n\n\t\t\t_viewportSize.copy( shadow.mapSize );\n\n\t\t\tif ( _shadowMapSize.x > _maxTextureSize || _shadowMapSize.y > _maxTextureSize ) {\n\n\t\t\t\tif ( _shadowMapSize.x > _maxTextureSize ) {\n\n\t\t\t\t\t_viewportSize.x = Math.floor( _maxTextureSize / shadowFrameExtents.x );\n\t\t\t\t\t_shadowMapSize.x = _viewportSize.x * shadowFrameExtents.x;\n\t\t\t\t\tshadow.mapSize.x = _viewportSize.x;\n\n\t\t\t\t}\n\n\t\t\t\tif ( _shadowMapSize.y > _maxTextureSize ) {\n\n\t\t\t\t\t_viewportSize.y = Math.floor( _maxTextureSize / shadowFrameExtents.y );\n\t\t\t\t\t_shadowMapSize.y = _viewportSize.y * shadowFrameExtents.y;\n\t\t\t\t\tshadow.mapSize.y = _viewportSize.y;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( shadow.map === null || toVSM === true || fromVSM === true ) {\n\n\t\t\t\tconst pars = ( this.type !== VSMShadowMap ) ? { minFilter: NearestFilter, magFilter: NearestFilter } : {};\n\n\t\t\t\tif ( shadow.map !== null ) {\n\n\t\t\t\t\tshadow.map.dispose();\n\n\t\t\t\t}\n\n\t\t\t\tshadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\t\t\t\tshadow.map.texture.name = light.name + '.shadowMap';\n\n\t\t\t\tshadow.camera.updateProjectionMatrix();\n\n\t\t\t}\n\n\t\t\trenderer.setRenderTarget( shadow.map );\n\t\t\trenderer.clear();\n\n\t\t\tconst viewportCount = shadow.getViewportCount();\n\n\t\t\tfor ( let vp = 0; vp < viewportCount; vp ++ ) {\n\n\t\t\t\tconst viewport = shadow.getViewport( vp );\n\n\t\t\t\t_viewport.set(\n\t\t\t\t\t_viewportSize.x * viewport.x,\n\t\t\t\t\t_viewportSize.y * viewport.y,\n\t\t\t\t\t_viewportSize.x * viewport.z,\n\t\t\t\t\t_viewportSize.y * viewport.w\n\t\t\t\t);\n\n\t\t\t\t_state.viewport( _viewport );\n\n\t\t\t\tshadow.updateMatrices( light, vp );\n\n\t\t\t\t_frustum = shadow.getFrustum();\n\n\t\t\t\trenderObject( scene, camera, shadow.camera, light, this.type );\n\n\t\t\t}\n\n\t\t\t// do blur pass for VSM\n\n\t\t\tif ( shadow.isPointLightShadow !== true && this.type === VSMShadowMap ) {\n\n\t\t\t\tVSMPass( shadow, camera );\n\n\t\t\t}\n\n\t\t\tshadow.needsUpdate = false;\n\n\t\t}\n\n\t\t_previousType = this.type;\n\n\t\tscope.needsUpdate = false;\n\n\t\trenderer.setRenderTarget( currentRenderTarget, activeCubeFace, activeMipmapLevel );\n\n\t};\n\n\tfunction VSMPass( shadow, camera ) {\n\n\t\tconst geometry = objects.update( fullScreenMesh );\n\n\t\tif ( shadowMaterialVertical.defines.VSM_SAMPLES !== shadow.blurSamples ) {\n\n\t\t\tshadowMaterialVertical.defines.VSM_SAMPLES = shadow.blurSamples;\n\t\t\tshadowMaterialHorizontal.defines.VSM_SAMPLES = shadow.blurSamples;\n\n\t\t\tshadowMaterialVertical.needsUpdate = true;\n\t\t\tshadowMaterialHorizontal.needsUpdate = true;\n\n\t\t}\n\n\t\tif ( shadow.mapPass === null ) {\n\n\t\t\tshadow.mapPass = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y );\n\n\t\t}\n\n\t\t// vertical pass\n\n\t\tshadowMaterialVertical.uniforms.shadow_pass.value = shadow.map.texture;\n\t\tshadowMaterialVertical.uniforms.resolution.value = shadow.mapSize;\n\t\tshadowMaterialVertical.uniforms.radius.value = shadow.radius;\n\t\trenderer.setRenderTarget( shadow.mapPass );\n\t\trenderer.clear();\n\t\trenderer.renderBufferDirect( camera, null, geometry, shadowMaterialVertical, fullScreenMesh, null );\n\n\t\t// horizontal pass\n\n\t\tshadowMaterialHorizontal.uniforms.shadow_pass.value = shadow.mapPass.texture;\n\t\tshadowMaterialHorizontal.uniforms.resolution.value = shadow.mapSize;\n\t\tshadowMaterialHorizontal.uniforms.radius.value = shadow.radius;\n\t\trenderer.setRenderTarget( shadow.map );\n\t\trenderer.clear();\n\t\trenderer.renderBufferDirect( camera, null, geometry, shadowMaterialHorizontal, fullScreenMesh, null );\n\n\t}\n\n\tfunction getDepthMaterial( object, material, light, type ) {\n\n\t\tlet result = null;\n\n\t\tconst customMaterial = ( light.isPointLight === true ) ? object.customDistanceMaterial : object.customDepthMaterial;\n\n\t\tif ( customMaterial !== undefined ) {\n\n\t\t\tresult = customMaterial;\n\n\t\t} else {\n\n\t\t\tresult = ( light.isPointLight === true ) ? _distanceMaterial : _depthMaterial;\n\n\t\t\tif ( ( renderer.localClippingEnabled && material.clipShadows === true && Array.isArray( material.clippingPlanes ) && material.clippingPlanes.length !== 0 ) ||\n\t\t\t\t( material.displacementMap && material.displacementScale !== 0 ) ||\n\t\t\t\t( material.alphaMap && material.alphaTest > 0 ) ||\n\t\t\t\t( material.map && material.alphaTest > 0 ) ) {\n\n\t\t\t\t// in this case we need a unique material instance reflecting the\n\t\t\t\t// appropriate state\n\n\t\t\t\tconst keyA = result.uuid, keyB = material.uuid;\n\n\t\t\t\tlet materialsForVariant = _materialCache[ keyA ];\n\n\t\t\t\tif ( materialsForVariant === undefined ) {\n\n\t\t\t\t\tmaterialsForVariant = {};\n\t\t\t\t\t_materialCache[ keyA ] = materialsForVariant;\n\n\t\t\t\t}\n\n\t\t\t\tlet cachedMaterial = materialsForVariant[ keyB ];\n\n\t\t\t\tif ( cachedMaterial === undefined ) {\n\n\t\t\t\t\tcachedMaterial = result.clone();\n\t\t\t\t\tmaterialsForVariant[ keyB ] = cachedMaterial;\n\t\t\t\t\tmaterial.addEventListener( 'dispose', onMaterialDispose );\n\n\t\t\t\t}\n\n\t\t\t\tresult = cachedMaterial;\n\n\t\t\t}\n\n\t\t}\n\n\t\tresult.visible = material.visible;\n\t\tresult.wireframe = material.wireframe;\n\n\t\tif ( type === VSMShadowMap ) {\n\n\t\t\tresult.side = ( material.shadowSide !== null ) ? material.shadowSide : material.side;\n\n\t\t} else {\n\n\t\t\tresult.side = ( material.shadowSide !== null ) ? material.shadowSide : shadowSide[ material.side ];\n\n\t\t}\n\n\t\tresult.alphaMap = material.alphaMap;\n\t\tresult.alphaTest = material.alphaTest;\n\t\tresult.map = material.map;\n\n\t\tresult.clipShadows = material.clipShadows;\n\t\tresult.clippingPlanes = material.clippingPlanes;\n\t\tresult.clipIntersection = material.clipIntersection;\n\n\t\tresult.displacementMap = material.displacementMap;\n\t\tresult.displacementScale = material.displacementScale;\n\t\tresult.displacementBias = material.displacementBias;\n\n\t\tresult.wireframeLinewidth = material.wireframeLinewidth;\n\t\tresult.linewidth = material.linewidth;\n\n\t\tif ( light.isPointLight === true && result.isMeshDistanceMaterial === true ) {\n\n\t\t\tconst materialProperties = renderer.properties.get( result );\n\t\t\tmaterialProperties.light = light;\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n\tfunction renderObject( object, camera, shadowCamera, light, type ) {\n\n\t\tif ( object.visible === false ) return;\n\n\t\tconst visible = object.layers.test( camera.layers );\n\n\t\tif ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) {\n\n\t\t\tif ( ( object.castShadow || ( object.receiveShadow && type === VSMShadowMap ) ) && ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) ) {\n\n\t\t\t\tobject.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld );\n\n\t\t\t\tconst geometry = objects.update( object );\n\t\t\t\tconst material = object.material;\n\n\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\tconst groups = geometry.groups;\n\n\t\t\t\t\tfor ( let k = 0, kl = groups.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\tconst group = groups[ k ];\n\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\tif ( groupMaterial && groupMaterial.visible ) {\n\n\t\t\t\t\t\t\tconst depthMaterial = getDepthMaterial( object, groupMaterial, light, type );\n\n\t\t\t\t\t\t\tobject.onBeforeShadow( renderer, object, camera, shadowCamera, geometry, depthMaterial, group );\n\n\t\t\t\t\t\t\trenderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group );\n\n\t\t\t\t\t\t\tobject.onAfterShadow( renderer, object, camera, shadowCamera, geometry, depthMaterial, group );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( material.visible ) {\n\n\t\t\t\t\tconst depthMaterial = getDepthMaterial( object, material, light, type );\n\n\t\t\t\t\tobject.onBeforeShadow( renderer, object, camera, shadowCamera, geometry, depthMaterial, null );\n\n\t\t\t\t\trenderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null );\n\n\t\t\t\t\tobject.onAfterShadow( renderer, object, camera, shadowCamera, geometry, depthMaterial, null );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\trenderObject( children[ i ], camera, shadowCamera, light, type );\n\n\t\t}\n\n\t}\n\n\tfunction onMaterialDispose( event ) {\n\n\t\tconst material = event.target;\n\n\t\tmaterial.removeEventListener( 'dispose', onMaterialDispose );\n\n\t\t// make sure to remove the unique distance/depth materials used for shadow map rendering\n\n\t\tfor ( const id in _materialCache ) {\n\n\t\t\tconst cache = _materialCache[ id ];\n\n\t\t\tconst uuid = event.target.uuid;\n\n\t\t\tif ( uuid in cache ) {\n\n\t\t\t\tconst shadowMaterial = cache[ uuid ];\n\t\t\t\tshadowMaterial.dispose();\n\t\t\t\tdelete cache[ uuid ];\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nconst reversedFuncs = {\n\t[ NeverDepth ]: AlwaysDepth,\n\t[ LessDepth ]: GreaterDepth,\n\t[ EqualDepth ]: NotEqualDepth,\n\t[ LessEqualDepth ]: GreaterEqualDepth,\n\n\t[ AlwaysDepth ]: NeverDepth,\n\t[ GreaterDepth ]: LessDepth,\n\t[ NotEqualDepth ]: EqualDepth,\n\t[ GreaterEqualDepth ]: LessEqualDepth,\n};\n\nfunction WebGLState( gl, extensions ) {\n\n\tfunction ColorBuffer() {\n\n\t\tlet locked = false;\n\n\t\tconst color = new Vector4();\n\t\tlet currentColorMask = null;\n\t\tconst currentColorClear = new Vector4( 0, 0, 0, 0 );\n\n\t\treturn {\n\n\t\t\tsetMask: function ( colorMask ) {\n\n\t\t\t\tif ( currentColorMask !== colorMask && ! locked ) {\n\n\t\t\t\t\tgl.colorMask( colorMask, colorMask, colorMask, colorMask );\n\t\t\t\t\tcurrentColorMask = colorMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( r, g, b, a, premultipliedAlpha ) {\n\n\t\t\t\tif ( premultipliedAlpha === true ) {\n\n\t\t\t\t\tr *= a; g *= a; b *= a;\n\n\t\t\t\t}\n\n\t\t\t\tcolor.set( r, g, b, a );\n\n\t\t\t\tif ( currentColorClear.equals( color ) === false ) {\n\n\t\t\t\t\tgl.clearColor( r, g, b, a );\n\t\t\t\t\tcurrentColorClear.copy( color );\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentColorMask = null;\n\t\t\t\tcurrentColorClear.set( - 1, 0, 0, 0 ); // set to invalid state\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tfunction DepthBuffer() {\n\n\t\tlet locked = false;\n\t\tlet reversed = false;\n\n\t\tlet currentDepthMask = null;\n\t\tlet currentDepthFunc = null;\n\t\tlet currentDepthClear = null;\n\n\t\treturn {\n\n\t\t\tsetReversed: function ( value ) {\n\n\t\t\t\tif ( reversed !== value ) {\n\n\t\t\t\t\tconst ext = extensions.get( 'EXT_clip_control' );\n\n\t\t\t\t\tif ( reversed ) {\n\n\t\t\t\t\t\text.clipControlEXT( ext.LOWER_LEFT_EXT, ext.ZERO_TO_ONE_EXT );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\text.clipControlEXT( ext.LOWER_LEFT_EXT, ext.NEGATIVE_ONE_TO_ONE_EXT );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst oldDepth = currentDepthClear;\n\t\t\t\t\tcurrentDepthClear = null;\n\t\t\t\t\tthis.setClear( oldDepth );\n\n\t\t\t\t}\n\n\t\t\t\treversed = value;\n\n\t\t\t},\n\n\t\t\tgetReversed: function () {\n\n\t\t\t\treturn reversed;\n\n\t\t\t},\n\n\t\t\tsetTest: function ( depthTest ) {\n\n\t\t\t\tif ( depthTest ) {\n\n\t\t\t\t\tenable( gl.DEPTH_TEST );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tdisable( gl.DEPTH_TEST );\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetMask: function ( depthMask ) {\n\n\t\t\t\tif ( currentDepthMask !== depthMask && ! locked ) {\n\n\t\t\t\t\tgl.depthMask( depthMask );\n\t\t\t\t\tcurrentDepthMask = depthMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetFunc: function ( depthFunc ) {\n\n\t\t\t\tif ( reversed ) depthFunc = reversedFuncs[ depthFunc ];\n\n\t\t\t\tif ( currentDepthFunc !== depthFunc ) {\n\n\t\t\t\t\tswitch ( depthFunc ) {\n\n\t\t\t\t\t\tcase NeverDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.NEVER );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase AlwaysDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.ALWAYS );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase LessDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.LESS );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase LessEqualDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase EqualDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.EQUAL );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase GreaterEqualDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.GEQUAL );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase GreaterDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.GREATER );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase NotEqualDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.NOTEQUAL );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcurrentDepthFunc = depthFunc;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( depth ) {\n\n\t\t\t\tif ( currentDepthClear !== depth ) {\n\n\t\t\t\t\tif ( reversed ) {\n\n\t\t\t\t\t\tdepth = 1 - depth;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tgl.clearDepth( depth );\n\t\t\t\t\tcurrentDepthClear = depth;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentDepthMask = null;\n\t\t\t\tcurrentDepthFunc = null;\n\t\t\t\tcurrentDepthClear = null;\n\t\t\t\treversed = false;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tfunction StencilBuffer() {\n\n\t\tlet locked = false;\n\n\t\tlet currentStencilMask = null;\n\t\tlet currentStencilFunc = null;\n\t\tlet currentStencilRef = null;\n\t\tlet currentStencilFuncMask = null;\n\t\tlet currentStencilFail = null;\n\t\tlet currentStencilZFail = null;\n\t\tlet currentStencilZPass = null;\n\t\tlet currentStencilClear = null;\n\n\t\treturn {\n\n\t\t\tsetTest: function ( stencilTest ) {\n\n\t\t\t\tif ( ! locked ) {\n\n\t\t\t\t\tif ( stencilTest ) {\n\n\t\t\t\t\t\tenable( gl.STENCIL_TEST );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( gl.STENCIL_TEST );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetMask: function ( stencilMask ) {\n\n\t\t\t\tif ( currentStencilMask !== stencilMask && ! locked ) {\n\n\t\t\t\t\tgl.stencilMask( stencilMask );\n\t\t\t\t\tcurrentStencilMask = stencilMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetFunc: function ( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\t\tif ( currentStencilFunc !== stencilFunc ||\n\t\t\t\t currentStencilRef !== stencilRef ||\n\t\t\t\t currentStencilFuncMask !== stencilMask ) {\n\n\t\t\t\t\tgl.stencilFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t\t\t\tcurrentStencilFunc = stencilFunc;\n\t\t\t\t\tcurrentStencilRef = stencilRef;\n\t\t\t\t\tcurrentStencilFuncMask = stencilMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetOp: function ( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\t\tif ( currentStencilFail !== stencilFail ||\n\t\t\t\t currentStencilZFail !== stencilZFail ||\n\t\t\t\t currentStencilZPass !== stencilZPass ) {\n\n\t\t\t\t\tgl.stencilOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t\t\t\tcurrentStencilFail = stencilFail;\n\t\t\t\t\tcurrentStencilZFail = stencilZFail;\n\t\t\t\t\tcurrentStencilZPass = stencilZPass;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( stencil ) {\n\n\t\t\t\tif ( currentStencilClear !== stencil ) {\n\n\t\t\t\t\tgl.clearStencil( stencil );\n\t\t\t\t\tcurrentStencilClear = stencil;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentStencilMask = null;\n\t\t\t\tcurrentStencilFunc = null;\n\t\t\t\tcurrentStencilRef = null;\n\t\t\t\tcurrentStencilFuncMask = null;\n\t\t\t\tcurrentStencilFail = null;\n\t\t\t\tcurrentStencilZFail = null;\n\t\t\t\tcurrentStencilZPass = null;\n\t\t\t\tcurrentStencilClear = null;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t//\n\n\tconst colorBuffer = new ColorBuffer();\n\tconst depthBuffer = new DepthBuffer();\n\tconst stencilBuffer = new StencilBuffer();\n\n\tconst uboBindings = new WeakMap();\n\tconst uboProgramMap = new WeakMap();\n\n\tlet enabledCapabilities = {};\n\n\tlet currentBoundFramebuffers = {};\n\tlet currentDrawbuffers = new WeakMap();\n\tlet defaultDrawbuffers = [];\n\n\tlet currentProgram = null;\n\n\tlet currentBlendingEnabled = false;\n\tlet currentBlending = null;\n\tlet currentBlendEquation = null;\n\tlet currentBlendSrc = null;\n\tlet currentBlendDst = null;\n\tlet currentBlendEquationAlpha = null;\n\tlet currentBlendSrcAlpha = null;\n\tlet currentBlendDstAlpha = null;\n\tlet currentBlendColor = new Color( 0, 0, 0 );\n\tlet currentBlendAlpha = 0;\n\tlet currentPremultipledAlpha = false;\n\n\tlet currentFlipSided = null;\n\tlet currentCullFace = null;\n\n\tlet currentLineWidth = null;\n\n\tlet currentPolygonOffsetFactor = null;\n\tlet currentPolygonOffsetUnits = null;\n\n\tconst maxTextures = gl.getParameter( gl.MAX_COMBINED_TEXTURE_IMAGE_UNITS );\n\n\tlet lineWidthAvailable = false;\n\tlet version = 0;\n\tconst glVersion = gl.getParameter( gl.VERSION );\n\n\tif ( glVersion.indexOf( 'WebGL' ) !== - 1 ) {\n\n\t\tversion = parseFloat( /^WebGL (\\d)/.exec( glVersion )[ 1 ] );\n\t\tlineWidthAvailable = ( version >= 1.0 );\n\n\t} else if ( glVersion.indexOf( 'OpenGL ES' ) !== - 1 ) {\n\n\t\tversion = parseFloat( /^OpenGL ES (\\d)/.exec( glVersion )[ 1 ] );\n\t\tlineWidthAvailable = ( version >= 2.0 );\n\n\t}\n\n\tlet currentTextureSlot = null;\n\tlet currentBoundTextures = {};\n\n\tconst scissorParam = gl.getParameter( gl.SCISSOR_BOX );\n\tconst viewportParam = gl.getParameter( gl.VIEWPORT );\n\n\tconst currentScissor = new Vector4().fromArray( scissorParam );\n\tconst currentViewport = new Vector4().fromArray( viewportParam );\n\n\tfunction createTexture( type, target, count, dimensions ) {\n\n\t\tconst data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4.\n\t\tconst texture = gl.createTexture();\n\n\t\tgl.bindTexture( type, texture );\n\t\tgl.texParameteri( type, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\t\tgl.texParameteri( type, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tif ( type === gl.TEXTURE_3D || type === gl.TEXTURE_2D_ARRAY ) {\n\n\t\t\t\tgl.texImage3D( target, 0, gl.RGBA, 1, 1, dimensions, 0, gl.RGBA, gl.UNSIGNED_BYTE, data );\n\n\t\t\t} else {\n\n\t\t\t\tgl.texImage2D( target + i, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, data );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tconst emptyTextures = {};\n\temptyTextures[ gl.TEXTURE_2D ] = createTexture( gl.TEXTURE_2D, gl.TEXTURE_2D, 1 );\n\temptyTextures[ gl.TEXTURE_CUBE_MAP ] = createTexture( gl.TEXTURE_CUBE_MAP, gl.TEXTURE_CUBE_MAP_POSITIVE_X, 6 );\n\temptyTextures[ gl.TEXTURE_2D_ARRAY ] = createTexture( gl.TEXTURE_2D_ARRAY, gl.TEXTURE_2D_ARRAY, 1, 1 );\n\temptyTextures[ gl.TEXTURE_3D ] = createTexture( gl.TEXTURE_3D, gl.TEXTURE_3D, 1, 1 );\n\n\t// init\n\n\tcolorBuffer.setClear( 0, 0, 0, 1 );\n\tdepthBuffer.setClear( 1 );\n\tstencilBuffer.setClear( 0 );\n\n\tenable( gl.DEPTH_TEST );\n\tdepthBuffer.setFunc( LessEqualDepth );\n\n\tsetFlipSided( false );\n\tsetCullFace( CullFaceBack );\n\tenable( gl.CULL_FACE );\n\n\tsetBlending( NoBlending );\n\n\t//\n\n\tfunction enable( id ) {\n\n\t\tif ( enabledCapabilities[ id ] !== true ) {\n\n\t\t\tgl.enable( id );\n\t\t\tenabledCapabilities[ id ] = true;\n\n\t\t}\n\n\t}\n\n\tfunction disable( id ) {\n\n\t\tif ( enabledCapabilities[ id ] !== false ) {\n\n\t\t\tgl.disable( id );\n\t\t\tenabledCapabilities[ id ] = false;\n\n\t\t}\n\n\t}\n\n\tfunction bindFramebuffer( target, framebuffer ) {\n\n\t\tif ( currentBoundFramebuffers[ target ] !== framebuffer ) {\n\n\t\t\tgl.bindFramebuffer( target, framebuffer );\n\n\t\t\tcurrentBoundFramebuffers[ target ] = framebuffer;\n\n\t\t\t// gl.DRAW_FRAMEBUFFER is equivalent to gl.FRAMEBUFFER\n\n\t\t\tif ( target === gl.DRAW_FRAMEBUFFER ) {\n\n\t\t\t\tcurrentBoundFramebuffers[ gl.FRAMEBUFFER ] = framebuffer;\n\n\t\t\t}\n\n\t\t\tif ( target === gl.FRAMEBUFFER ) {\n\n\t\t\t\tcurrentBoundFramebuffers[ gl.DRAW_FRAMEBUFFER ] = framebuffer;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tfunction drawBuffers( renderTarget, framebuffer ) {\n\n\t\tlet drawBuffers = defaultDrawbuffers;\n\n\t\tlet needsUpdate = false;\n\n\t\tif ( renderTarget ) {\n\n\t\t\tdrawBuffers = currentDrawbuffers.get( framebuffer );\n\n\t\t\tif ( drawBuffers === undefined ) {\n\n\t\t\t\tdrawBuffers = [];\n\t\t\t\tcurrentDrawbuffers.set( framebuffer, drawBuffers );\n\n\t\t\t}\n\n\t\t\tconst textures = renderTarget.textures;\n\n\t\t\tif ( drawBuffers.length !== textures.length || drawBuffers[ 0 ] !== gl.COLOR_ATTACHMENT0 ) {\n\n\t\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\t\tdrawBuffers[ i ] = gl.COLOR_ATTACHMENT0 + i;\n\n\t\t\t\t}\n\n\t\t\t\tdrawBuffers.length = textures.length;\n\n\t\t\t\tneedsUpdate = true;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tif ( drawBuffers[ 0 ] !== gl.BACK ) {\n\n\t\t\t\tdrawBuffers[ 0 ] = gl.BACK;\n\n\t\t\t\tneedsUpdate = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( needsUpdate ) {\n\n\t\t\tgl.drawBuffers( drawBuffers );\n\n\t\t}\n\n\t}\n\n\tfunction useProgram( program ) {\n\n\t\tif ( currentProgram !== program ) {\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tcurrentProgram = program;\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tconst equationToGL = {\n\t\t[ AddEquation ]: gl.FUNC_ADD,\n\t\t[ SubtractEquation ]: gl.FUNC_SUBTRACT,\n\t\t[ ReverseSubtractEquation ]: gl.FUNC_REVERSE_SUBTRACT\n\t};\n\n\tequationToGL[ MinEquation ] = gl.MIN;\n\tequationToGL[ MaxEquation ] = gl.MAX;\n\n\tconst factorToGL = {\n\t\t[ ZeroFactor ]: gl.ZERO,\n\t\t[ OneFactor ]: gl.ONE,\n\t\t[ SrcColorFactor ]: gl.SRC_COLOR,\n\t\t[ SrcAlphaFactor ]: gl.SRC_ALPHA,\n\t\t[ SrcAlphaSaturateFactor ]: gl.SRC_ALPHA_SATURATE,\n\t\t[ DstColorFactor ]: gl.DST_COLOR,\n\t\t[ DstAlphaFactor ]: gl.DST_ALPHA,\n\t\t[ OneMinusSrcColorFactor ]: gl.ONE_MINUS_SRC_COLOR,\n\t\t[ OneMinusSrcAlphaFactor ]: gl.ONE_MINUS_SRC_ALPHA,\n\t\t[ OneMinusDstColorFactor ]: gl.ONE_MINUS_DST_COLOR,\n\t\t[ OneMinusDstAlphaFactor ]: gl.ONE_MINUS_DST_ALPHA,\n\t\t[ ConstantColorFactor ]: gl.CONSTANT_COLOR,\n\t\t[ OneMinusConstantColorFactor ]: gl.ONE_MINUS_CONSTANT_COLOR,\n\t\t[ ConstantAlphaFactor ]: gl.CONSTANT_ALPHA,\n\t\t[ OneMinusConstantAlphaFactor ]: gl.ONE_MINUS_CONSTANT_ALPHA\n\t};\n\n\tfunction setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, blendColor, blendAlpha, premultipliedAlpha ) {\n\n\t\tif ( blending === NoBlending ) {\n\n\t\t\tif ( currentBlendingEnabled === true ) {\n\n\t\t\t\tdisable( gl.BLEND );\n\t\t\t\tcurrentBlendingEnabled = false;\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( currentBlendingEnabled === false ) {\n\n\t\t\tenable( gl.BLEND );\n\t\t\tcurrentBlendingEnabled = true;\n\n\t\t}\n\n\t\tif ( blending !== CustomBlending ) {\n\n\t\t\tif ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) {\n\n\t\t\t\tif ( currentBlendEquation !== AddEquation || currentBlendEquationAlpha !== AddEquation ) {\n\n\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\n\t\t\t\t\tcurrentBlendEquation = AddEquation;\n\t\t\t\t\tcurrentBlendEquationAlpha = AddEquation;\n\n\t\t\t\t}\n\n\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\tswitch ( blending ) {\n\n\t\t\t\t\t\tcase NormalBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( gl.ONE, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase AdditiveBlending:\n\t\t\t\t\t\t\tgl.blendFunc( gl.ONE, gl.ONE );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase SubtractiveBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ZERO, gl.ONE );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase MultiplyBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.SRC_COLOR, gl.ZERO, gl.SRC_ALPHA );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.error( 'THREE.WebGLState: Invalid blending: ', blending );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tswitch ( blending ) {\n\n\t\t\t\t\t\tcase NormalBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase AdditiveBlending:\n\t\t\t\t\t\t\tgl.blendFunc( gl.SRC_ALPHA, gl.ONE );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase SubtractiveBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ZERO, gl.ONE );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase MultiplyBlending:\n\t\t\t\t\t\t\tgl.blendFunc( gl.ZERO, gl.SRC_COLOR );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.error( 'THREE.WebGLState: Invalid blending: ', blending );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tcurrentBlendSrc = null;\n\t\t\t\tcurrentBlendDst = null;\n\t\t\t\tcurrentBlendSrcAlpha = null;\n\t\t\t\tcurrentBlendDstAlpha = null;\n\t\t\t\tcurrentBlendColor.set( 0, 0, 0 );\n\t\t\t\tcurrentBlendAlpha = 0;\n\n\t\t\t\tcurrentBlending = blending;\n\t\t\t\tcurrentPremultipledAlpha = premultipliedAlpha;\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t// custom blending\n\n\t\tblendEquationAlpha = blendEquationAlpha || blendEquation;\n\t\tblendSrcAlpha = blendSrcAlpha || blendSrc;\n\t\tblendDstAlpha = blendDstAlpha || blendDst;\n\n\t\tif ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) {\n\n\t\t\tgl.blendEquationSeparate( equationToGL[ blendEquation ], equationToGL[ blendEquationAlpha ] );\n\n\t\t\tcurrentBlendEquation = blendEquation;\n\t\t\tcurrentBlendEquationAlpha = blendEquationAlpha;\n\n\t\t}\n\n\t\tif ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) {\n\n\t\t\tgl.blendFuncSeparate( factorToGL[ blendSrc ], factorToGL[ blendDst ], factorToGL[ blendSrcAlpha ], factorToGL[ blendDstAlpha ] );\n\n\t\t\tcurrentBlendSrc = blendSrc;\n\t\t\tcurrentBlendDst = blendDst;\n\t\t\tcurrentBlendSrcAlpha = blendSrcAlpha;\n\t\t\tcurrentBlendDstAlpha = blendDstAlpha;\n\n\t\t}\n\n\t\tif ( blendColor.equals( currentBlendColor ) === false || blendAlpha !== currentBlendAlpha ) {\n\n\t\t\tgl.blendColor( blendColor.r, blendColor.g, blendColor.b, blendAlpha );\n\n\t\t\tcurrentBlendColor.copy( blendColor );\n\t\t\tcurrentBlendAlpha = blendAlpha;\n\n\t\t}\n\n\t\tcurrentBlending = blending;\n\t\tcurrentPremultipledAlpha = false;\n\n\t}\n\n\tfunction setMaterial( material, frontFaceCW ) {\n\n\t\tmaterial.side === DoubleSide\n\t\t\t? disable( gl.CULL_FACE )\n\t\t\t: enable( gl.CULL_FACE );\n\n\t\tlet flipSided = ( material.side === BackSide );\n\t\tif ( frontFaceCW ) flipSided = ! flipSided;\n\n\t\tsetFlipSided( flipSided );\n\n\t\t( material.blending === NormalBlending && material.transparent === false )\n\t\t\t? setBlending( NoBlending )\n\t\t\t: setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.blendColor, material.blendAlpha, material.premultipliedAlpha );\n\n\t\tdepthBuffer.setFunc( material.depthFunc );\n\t\tdepthBuffer.setTest( material.depthTest );\n\t\tdepthBuffer.setMask( material.depthWrite );\n\t\tcolorBuffer.setMask( material.colorWrite );\n\n\t\tconst stencilWrite = material.stencilWrite;\n\t\tstencilBuffer.setTest( stencilWrite );\n\t\tif ( stencilWrite ) {\n\n\t\t\tstencilBuffer.setMask( material.stencilWriteMask );\n\t\t\tstencilBuffer.setFunc( material.stencilFunc, material.stencilRef, material.stencilFuncMask );\n\t\t\tstencilBuffer.setOp( material.stencilFail, material.stencilZFail, material.stencilZPass );\n\n\t\t}\n\n\t\tsetPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits );\n\n\t\tmaterial.alphaToCoverage === true\n\t\t\t? enable( gl.SAMPLE_ALPHA_TO_COVERAGE )\n\t\t\t: disable( gl.SAMPLE_ALPHA_TO_COVERAGE );\n\n\t}\n\n\t//\n\n\tfunction setFlipSided( flipSided ) {\n\n\t\tif ( currentFlipSided !== flipSided ) {\n\n\t\t\tif ( flipSided ) {\n\n\t\t\t\tgl.frontFace( gl.CW );\n\n\t\t\t} else {\n\n\t\t\t\tgl.frontFace( gl.CCW );\n\n\t\t\t}\n\n\t\t\tcurrentFlipSided = flipSided;\n\n\t\t}\n\n\t}\n\n\tfunction setCullFace( cullFace ) {\n\n\t\tif ( cullFace !== CullFaceNone ) {\n\n\t\t\tenable( gl.CULL_FACE );\n\n\t\t\tif ( cullFace !== currentCullFace ) {\n\n\t\t\t\tif ( cullFace === CullFaceBack ) {\n\n\t\t\t\t\tgl.cullFace( gl.BACK );\n\n\t\t\t\t} else if ( cullFace === CullFaceFront ) {\n\n\t\t\t\t\tgl.cullFace( gl.FRONT );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.cullFace( gl.FRONT_AND_BACK );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tdisable( gl.CULL_FACE );\n\n\t\t}\n\n\t\tcurrentCullFace = cullFace;\n\n\t}\n\n\tfunction setLineWidth( width ) {\n\n\t\tif ( width !== currentLineWidth ) {\n\n\t\t\tif ( lineWidthAvailable ) gl.lineWidth( width );\n\n\t\t\tcurrentLineWidth = width;\n\n\t\t}\n\n\t}\n\n\tfunction setPolygonOffset( polygonOffset, factor, units ) {\n\n\t\tif ( polygonOffset ) {\n\n\t\t\tenable( gl.POLYGON_OFFSET_FILL );\n\n\t\t\tif ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) {\n\n\t\t\t\tgl.polygonOffset( factor, units );\n\n\t\t\t\tcurrentPolygonOffsetFactor = factor;\n\t\t\t\tcurrentPolygonOffsetUnits = units;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tdisable( gl.POLYGON_OFFSET_FILL );\n\n\t\t}\n\n\t}\n\n\tfunction setScissorTest( scissorTest ) {\n\n\t\tif ( scissorTest ) {\n\n\t\t\tenable( gl.SCISSOR_TEST );\n\n\t\t} else {\n\n\t\t\tdisable( gl.SCISSOR_TEST );\n\n\t\t}\n\n\t}\n\n\t// texture\n\n\tfunction activeTexture( webglSlot ) {\n\n\t\tif ( webglSlot === undefined ) webglSlot = gl.TEXTURE0 + maxTextures - 1;\n\n\t\tif ( currentTextureSlot !== webglSlot ) {\n\n\t\t\tgl.activeTexture( webglSlot );\n\t\t\tcurrentTextureSlot = webglSlot;\n\n\t\t}\n\n\t}\n\n\tfunction bindTexture( webglType, webglTexture, webglSlot ) {\n\n\t\tif ( webglSlot === undefined ) {\n\n\t\t\tif ( currentTextureSlot === null ) {\n\n\t\t\t\twebglSlot = gl.TEXTURE0 + maxTextures - 1;\n\n\t\t\t} else {\n\n\t\t\t\twebglSlot = currentTextureSlot;\n\n\t\t\t}\n\n\t\t}\n\n\t\tlet boundTexture = currentBoundTextures[ webglSlot ];\n\n\t\tif ( boundTexture === undefined ) {\n\n\t\t\tboundTexture = { type: undefined, texture: undefined };\n\t\t\tcurrentBoundTextures[ webglSlot ] = boundTexture;\n\n\t\t}\n\n\t\tif ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) {\n\n\t\t\tif ( currentTextureSlot !== webglSlot ) {\n\n\t\t\t\tgl.activeTexture( webglSlot );\n\t\t\t\tcurrentTextureSlot = webglSlot;\n\n\t\t\t}\n\n\t\t\tgl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] );\n\n\t\t\tboundTexture.type = webglType;\n\t\t\tboundTexture.texture = webglTexture;\n\n\t\t}\n\n\t}\n\n\tfunction unbindTexture() {\n\n\t\tconst boundTexture = currentBoundTextures[ currentTextureSlot ];\n\n\t\tif ( boundTexture !== undefined && boundTexture.type !== undefined ) {\n\n\t\t\tgl.bindTexture( boundTexture.type, null );\n\n\t\t\tboundTexture.type = undefined;\n\t\t\tboundTexture.texture = undefined;\n\n\t\t}\n\n\t}\n\n\tfunction compressedTexImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.compressedTexImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction compressedTexImage3D() {\n\n\t\ttry {\n\n\t\t\tgl.compressedTexImage3D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texSubImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texSubImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texSubImage3D() {\n\n\t\ttry {\n\n\t\t\tgl.texSubImage3D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction compressedTexSubImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.compressedTexSubImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction compressedTexSubImage3D() {\n\n\t\ttry {\n\n\t\t\tgl.compressedTexSubImage3D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texStorage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texStorage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texStorage3D() {\n\n\t\ttry {\n\n\t\t\tgl.texStorage3D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texImage3D() {\n\n\t\ttry {\n\n\t\t\tgl.texImage3D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction scissor( scissor ) {\n\n\t\tif ( currentScissor.equals( scissor ) === false ) {\n\n\t\t\tgl.scissor( scissor.x, scissor.y, scissor.z, scissor.w );\n\t\t\tcurrentScissor.copy( scissor );\n\n\t\t}\n\n\t}\n\n\tfunction viewport( viewport ) {\n\n\t\tif ( currentViewport.equals( viewport ) === false ) {\n\n\t\t\tgl.viewport( viewport.x, viewport.y, viewport.z, viewport.w );\n\t\t\tcurrentViewport.copy( viewport );\n\n\t\t}\n\n\t}\n\n\tfunction updateUBOMapping( uniformsGroup, program ) {\n\n\t\tlet mapping = uboProgramMap.get( program );\n\n\t\tif ( mapping === undefined ) {\n\n\t\t\tmapping = new WeakMap();\n\n\t\t\tuboProgramMap.set( program, mapping );\n\n\t\t}\n\n\t\tlet blockIndex = mapping.get( uniformsGroup );\n\n\t\tif ( blockIndex === undefined ) {\n\n\t\t\tblockIndex = gl.getUniformBlockIndex( program, uniformsGroup.name );\n\n\t\t\tmapping.set( uniformsGroup, blockIndex );\n\n\t\t}\n\n\t}\n\n\tfunction uniformBlockBinding( uniformsGroup, program ) {\n\n\t\tconst mapping = uboProgramMap.get( program );\n\t\tconst blockIndex = mapping.get( uniformsGroup );\n\n\t\tif ( uboBindings.get( program ) !== blockIndex ) {\n\n\t\t\t// bind shader specific block index to global block point\n\t\t\tgl.uniformBlockBinding( program, blockIndex, uniformsGroup.__bindingPointIndex );\n\n\t\t\tuboBindings.set( program, blockIndex );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction reset() {\n\n\t\t// reset state\n\n\t\tgl.disable( gl.BLEND );\n\t\tgl.disable( gl.CULL_FACE );\n\t\tgl.disable( gl.DEPTH_TEST );\n\t\tgl.disable( gl.POLYGON_OFFSET_FILL );\n\t\tgl.disable( gl.SCISSOR_TEST );\n\t\tgl.disable( gl.STENCIL_TEST );\n\t\tgl.disable( gl.SAMPLE_ALPHA_TO_COVERAGE );\n\n\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\tgl.blendFunc( gl.ONE, gl.ZERO );\n\t\tgl.blendFuncSeparate( gl.ONE, gl.ZERO, gl.ONE, gl.ZERO );\n\t\tgl.blendColor( 0, 0, 0, 0 );\n\n\t\tgl.colorMask( true, true, true, true );\n\t\tgl.clearColor( 0, 0, 0, 0 );\n\n\t\tgl.depthMask( true );\n\t\tgl.depthFunc( gl.LESS );\n\n\t\tdepthBuffer.setReversed( false );\n\n\t\tgl.clearDepth( 1 );\n\n\t\tgl.stencilMask( 0xffffffff );\n\t\tgl.stencilFunc( gl.ALWAYS, 0, 0xffffffff );\n\t\tgl.stencilOp( gl.KEEP, gl.KEEP, gl.KEEP );\n\t\tgl.clearStencil( 0 );\n\n\t\tgl.cullFace( gl.BACK );\n\t\tgl.frontFace( gl.CCW );\n\n\t\tgl.polygonOffset( 0, 0 );\n\n\t\tgl.activeTexture( gl.TEXTURE0 );\n\n\t\tgl.bindFramebuffer( gl.FRAMEBUFFER, null );\n\t\tgl.bindFramebuffer( gl.DRAW_FRAMEBUFFER, null );\n\t\tgl.bindFramebuffer( gl.READ_FRAMEBUFFER, null );\n\n\t\tgl.useProgram( null );\n\n\t\tgl.lineWidth( 1 );\n\n\t\tgl.scissor( 0, 0, gl.canvas.width, gl.canvas.height );\n\t\tgl.viewport( 0, 0, gl.canvas.width, gl.canvas.height );\n\n\t\t// reset internals\n\n\t\tenabledCapabilities = {};\n\n\t\tcurrentTextureSlot = null;\n\t\tcurrentBoundTextures = {};\n\n\t\tcurrentBoundFramebuffers = {};\n\t\tcurrentDrawbuffers = new WeakMap();\n\t\tdefaultDrawbuffers = [];\n\n\t\tcurrentProgram = null;\n\n\t\tcurrentBlendingEnabled = false;\n\t\tcurrentBlending = null;\n\t\tcurrentBlendEquation = null;\n\t\tcurrentBlendSrc = null;\n\t\tcurrentBlendDst = null;\n\t\tcurrentBlendEquationAlpha = null;\n\t\tcurrentBlendSrcAlpha = null;\n\t\tcurrentBlendDstAlpha = null;\n\t\tcurrentBlendColor = new Color( 0, 0, 0 );\n\t\tcurrentBlendAlpha = 0;\n\t\tcurrentPremultipledAlpha = false;\n\n\t\tcurrentFlipSided = null;\n\t\tcurrentCullFace = null;\n\n\t\tcurrentLineWidth = null;\n\n\t\tcurrentPolygonOffsetFactor = null;\n\t\tcurrentPolygonOffsetUnits = null;\n\n\t\tcurrentScissor.set( 0, 0, gl.canvas.width, gl.canvas.height );\n\t\tcurrentViewport.set( 0, 0, gl.canvas.width, gl.canvas.height );\n\n\t\tcolorBuffer.reset();\n\t\tdepthBuffer.reset();\n\t\tstencilBuffer.reset();\n\n\t}\n\n\treturn {\n\n\t\tbuffers: {\n\t\t\tcolor: colorBuffer,\n\t\t\tdepth: depthBuffer,\n\t\t\tstencil: stencilBuffer\n\t\t},\n\n\t\tenable: enable,\n\t\tdisable: disable,\n\n\t\tbindFramebuffer: bindFramebuffer,\n\t\tdrawBuffers: drawBuffers,\n\n\t\tuseProgram: useProgram,\n\n\t\tsetBlending: setBlending,\n\t\tsetMaterial: setMaterial,\n\n\t\tsetFlipSided: setFlipSided,\n\t\tsetCullFace: setCullFace,\n\n\t\tsetLineWidth: setLineWidth,\n\t\tsetPolygonOffset: setPolygonOffset,\n\n\t\tsetScissorTest: setScissorTest,\n\n\t\tactiveTexture: activeTexture,\n\t\tbindTexture: bindTexture,\n\t\tunbindTexture: unbindTexture,\n\t\tcompressedTexImage2D: compressedTexImage2D,\n\t\tcompressedTexImage3D: compressedTexImage3D,\n\t\ttexImage2D: texImage2D,\n\t\ttexImage3D: texImage3D,\n\n\t\tupdateUBOMapping: updateUBOMapping,\n\t\tuniformBlockBinding: uniformBlockBinding,\n\n\t\ttexStorage2D: texStorage2D,\n\t\ttexStorage3D: texStorage3D,\n\t\ttexSubImage2D: texSubImage2D,\n\t\ttexSubImage3D: texSubImage3D,\n\t\tcompressedTexSubImage2D: compressedTexSubImage2D,\n\t\tcompressedTexSubImage3D: compressedTexSubImage3D,\n\n\t\tscissor: scissor,\n\t\tviewport: viewport,\n\n\t\treset: reset\n\n\t};\n\n}\n\nfunction WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info ) {\n\n\tconst multisampledRTTExt = extensions.has( 'WEBGL_multisampled_render_to_texture' ) ? extensions.get( 'WEBGL_multisampled_render_to_texture' ) : null;\n\tconst supportsInvalidateFramebuffer = typeof navigator === 'undefined' ? false : /OculusBrowser/g.test( navigator.userAgent );\n\n\tconst _imageDimensions = new Vector2();\n\tconst _videoTextures = new WeakMap();\n\tlet _canvas;\n\n\tconst _sources = new WeakMap(); // maps WebglTexture objects to instances of Source\n\n\t// cordova iOS (as of 5.0) still uses UIWebView, which provides OffscreenCanvas,\n\t// also OffscreenCanvas.getContext(\"webgl\"), but not OffscreenCanvas.getContext(\"2d\")!\n\t// Some implementations may only implement OffscreenCanvas partially (e.g. lacking 2d).\n\n\tlet useOffscreenCanvas = false;\n\n\ttry {\n\n\t\tuseOffscreenCanvas = typeof OffscreenCanvas !== 'undefined'\n\t\t\t// eslint-disable-next-line compat/compat\n\t\t\t&& ( new OffscreenCanvas( 1, 1 ).getContext( '2d' ) ) !== null;\n\n\t} catch ( err ) {\n\n\t\t// Ignore any errors\n\n\t}\n\n\tfunction createCanvas( width, height ) {\n\n\t\t// Use OffscreenCanvas when available. Specially needed in web workers\n\n\t\treturn useOffscreenCanvas ?\n\t\t\t// eslint-disable-next-line compat/compat\n\t\t\tnew OffscreenCanvas( width, height ) : createElementNS( 'canvas' );\n\n\t}\n\n\tfunction resizeImage( image, needsNewCanvas, maxSize ) {\n\n\t\tlet scale = 1;\n\n\t\tconst dimensions = getDimensions( image );\n\n\t\t// handle case if texture exceeds max size\n\n\t\tif ( dimensions.width > maxSize || dimensions.height > maxSize ) {\n\n\t\t\tscale = maxSize / Math.max( dimensions.width, dimensions.height );\n\n\t\t}\n\n\t\t// only perform resize if necessary\n\n\t\tif ( scale < 1 ) {\n\n\t\t\t// only perform resize for certain image types\n\n\t\t\tif ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) ||\n\t\t\t\t( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) ||\n\t\t\t\t( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ||\n\t\t\t\t( typeof VideoFrame !== 'undefined' && image instanceof VideoFrame ) ) {\n\n\t\t\t\tconst width = Math.floor( scale * dimensions.width );\n\t\t\t\tconst height = Math.floor( scale * dimensions.height );\n\n\t\t\t\tif ( _canvas === undefined ) _canvas = createCanvas( width, height );\n\n\t\t\t\t// cube textures can't reuse the same canvas\n\n\t\t\t\tconst canvas = needsNewCanvas ? createCanvas( width, height ) : _canvas;\n\n\t\t\t\tcanvas.width = width;\n\t\t\t\tcanvas.height = height;\n\n\t\t\t\tconst context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, width, height );\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture has been resized from (' + dimensions.width + 'x' + dimensions.height + ') to (' + width + 'x' + height + ').' );\n\n\t\t\t\treturn canvas;\n\n\t\t\t} else {\n\n\t\t\t\tif ( 'data' in image ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Image in DataTexture is too big (' + dimensions.width + 'x' + dimensions.height + ').' );\n\n\t\t\t\t}\n\n\t\t\t\treturn image;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn image;\n\n\t}\n\n\tfunction textureNeedsGenerateMipmaps( texture ) {\n\n\t\treturn texture.generateMipmaps;\n\n\t}\n\n\tfunction generateMipmap( target ) {\n\n\t\t_gl.generateMipmap( target );\n\n\t}\n\n\tfunction getTargetType( texture ) {\n\n\t\tif ( texture.isWebGLCubeRenderTarget ) return _gl.TEXTURE_CUBE_MAP;\n\t\tif ( texture.isWebGL3DRenderTarget ) return _gl.TEXTURE_3D;\n\t\tif ( texture.isWebGLArrayRenderTarget || texture.isCompressedArrayTexture ) return _gl.TEXTURE_2D_ARRAY;\n\t\treturn _gl.TEXTURE_2D;\n\n\t}\n\n\tfunction getInternalFormat( internalFormatName, glFormat, glType, colorSpace, forceLinearTransfer = false ) {\n\n\t\tif ( internalFormatName !== null ) {\n\n\t\t\tif ( _gl[ internalFormatName ] !== undefined ) return _gl[ internalFormatName ];\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format \\'' + internalFormatName + '\\'' );\n\n\t\t}\n\n\t\tlet internalFormat = glFormat;\n\n\t\tif ( glFormat === _gl.RED ) {\n\n\t\t\tif ( glType === _gl.FLOAT ) internalFormat = _gl.R32F;\n\t\t\tif ( glType === _gl.HALF_FLOAT ) internalFormat = _gl.R16F;\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.R8;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RED_INTEGER ) {\n\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.R8UI;\n\t\t\tif ( glType === _gl.UNSIGNED_SHORT ) internalFormat = _gl.R16UI;\n\t\t\tif ( glType === _gl.UNSIGNED_INT ) internalFormat = _gl.R32UI;\n\t\t\tif ( glType === _gl.BYTE ) internalFormat = _gl.R8I;\n\t\t\tif ( glType === _gl.SHORT ) internalFormat = _gl.R16I;\n\t\t\tif ( glType === _gl.INT ) internalFormat = _gl.R32I;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RG ) {\n\n\t\t\tif ( glType === _gl.FLOAT ) internalFormat = _gl.RG32F;\n\t\t\tif ( glType === _gl.HALF_FLOAT ) internalFormat = _gl.RG16F;\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.RG8;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RG_INTEGER ) {\n\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.RG8UI;\n\t\t\tif ( glType === _gl.UNSIGNED_SHORT ) internalFormat = _gl.RG16UI;\n\t\t\tif ( glType === _gl.UNSIGNED_INT ) internalFormat = _gl.RG32UI;\n\t\t\tif ( glType === _gl.BYTE ) internalFormat = _gl.RG8I;\n\t\t\tif ( glType === _gl.SHORT ) internalFormat = _gl.RG16I;\n\t\t\tif ( glType === _gl.INT ) internalFormat = _gl.RG32I;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RGB_INTEGER ) {\n\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.RGB8UI;\n\t\t\tif ( glType === _gl.UNSIGNED_SHORT ) internalFormat = _gl.RGB16UI;\n\t\t\tif ( glType === _gl.UNSIGNED_INT ) internalFormat = _gl.RGB32UI;\n\t\t\tif ( glType === _gl.BYTE ) internalFormat = _gl.RGB8I;\n\t\t\tif ( glType === _gl.SHORT ) internalFormat = _gl.RGB16I;\n\t\t\tif ( glType === _gl.INT ) internalFormat = _gl.RGB32I;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RGBA_INTEGER ) {\n\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.RGBA8UI;\n\t\t\tif ( glType === _gl.UNSIGNED_SHORT ) internalFormat = _gl.RGBA16UI;\n\t\t\tif ( glType === _gl.UNSIGNED_INT ) internalFormat = _gl.RGBA32UI;\n\t\t\tif ( glType === _gl.BYTE ) internalFormat = _gl.RGBA8I;\n\t\t\tif ( glType === _gl.SHORT ) internalFormat = _gl.RGBA16I;\n\t\t\tif ( glType === _gl.INT ) internalFormat = _gl.RGBA32I;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RGB ) {\n\n\t\t\tif ( glType === _gl.UNSIGNED_INT_5_9_9_9_REV ) internalFormat = _gl.RGB9_E5;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RGBA ) {\n\n\t\t\tconst transfer = forceLinearTransfer ? LinearTransfer : ColorManagement.getTransfer( colorSpace );\n\n\t\t\tif ( glType === _gl.FLOAT ) internalFormat = _gl.RGBA32F;\n\t\t\tif ( glType === _gl.HALF_FLOAT ) internalFormat = _gl.RGBA16F;\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = ( transfer === SRGBTransfer ) ? _gl.SRGB8_ALPHA8 : _gl.RGBA8;\n\t\t\tif ( glType === _gl.UNSIGNED_SHORT_4_4_4_4 ) internalFormat = _gl.RGBA4;\n\t\t\tif ( glType === _gl.UNSIGNED_SHORT_5_5_5_1 ) internalFormat = _gl.RGB5_A1;\n\n\t\t}\n\n\t\tif ( internalFormat === _gl.R16F || internalFormat === _gl.R32F ||\n\t\t\tinternalFormat === _gl.RG16F || internalFormat === _gl.RG32F ||\n\t\t\tinternalFormat === _gl.RGBA16F || internalFormat === _gl.RGBA32F ) {\n\n\t\t\textensions.get( 'EXT_color_buffer_float' );\n\n\t\t}\n\n\t\treturn internalFormat;\n\n\t}\n\n\tfunction getInternalDepthFormat( useStencil, depthType ) {\n\n\t\tlet glInternalFormat;\n\t\tif ( useStencil ) {\n\n\t\t\tif ( depthType === null || depthType === UnsignedIntType || depthType === UnsignedInt248Type ) {\n\n\t\t\t\tglInternalFormat = _gl.DEPTH24_STENCIL8;\n\n\t\t\t} else if ( depthType === FloatType ) {\n\n\t\t\t\tglInternalFormat = _gl.DEPTH32F_STENCIL8;\n\n\t\t\t} else if ( depthType === UnsignedShortType ) {\n\n\t\t\t\tglInternalFormat = _gl.DEPTH24_STENCIL8;\n\t\t\t\tconsole.warn( 'DepthTexture: 16 bit depth attachment is not supported with stencil. Using 24-bit attachment.' );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tif ( depthType === null || depthType === UnsignedIntType || depthType === UnsignedInt248Type ) {\n\n\t\t\t\tglInternalFormat = _gl.DEPTH_COMPONENT24;\n\n\t\t\t} else if ( depthType === FloatType ) {\n\n\t\t\t\tglInternalFormat = _gl.DEPTH_COMPONENT32F;\n\n\t\t\t} else if ( depthType === UnsignedShortType ) {\n\n\t\t\t\tglInternalFormat = _gl.DEPTH_COMPONENT16;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn glInternalFormat;\n\n\t}\n\n\tfunction getMipLevels( texture, image ) {\n\n\t\tif ( textureNeedsGenerateMipmaps( texture ) === true || ( texture.isFramebufferTexture && texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) ) {\n\n\t\t\treturn Math.log2( Math.max( image.width, image.height ) ) + 1;\n\n\t\t} else if ( texture.mipmaps !== undefined && texture.mipmaps.length > 0 ) {\n\n\t\t\t// user-defined mipmaps\n\n\t\t\treturn texture.mipmaps.length;\n\n\t\t} else if ( texture.isCompressedTexture && Array.isArray( texture.image ) ) {\n\n\t\t\treturn image.mipmaps.length;\n\n\t\t} else {\n\n\t\t\t// texture without mipmaps (only base level)\n\n\t\t\treturn 1;\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tdeallocateTexture( texture );\n\n\t\tif ( texture.isVideoTexture ) {\n\n\t\t\t_videoTextures.delete( texture );\n\n\t\t}\n\n\t}\n\n\tfunction onRenderTargetDispose( event ) {\n\n\t\tconst renderTarget = event.target;\n\n\t\trenderTarget.removeEventListener( 'dispose', onRenderTargetDispose );\n\n\t\tdeallocateRenderTarget( renderTarget );\n\n\t}\n\n\t//\n\n\tfunction deallocateTexture( texture ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( textureProperties.__webglInit === undefined ) return;\n\n\t\t// check if it's necessary to remove the WebGLTexture object\n\n\t\tconst source = texture.source;\n\t\tconst webglTextures = _sources.get( source );\n\n\t\tif ( webglTextures ) {\n\n\t\t\tconst webglTexture = webglTextures[ textureProperties.__cacheKey ];\n\t\t\twebglTexture.usedTimes --;\n\n\t\t\t// the WebGLTexture object is not used anymore, remove it\n\n\t\t\tif ( webglTexture.usedTimes === 0 ) {\n\n\t\t\t\tdeleteTexture( texture );\n\n\t\t\t}\n\n\t\t\t// remove the weak map entry if no WebGLTexture uses the source anymore\n\n\t\t\tif ( Object.keys( webglTextures ).length === 0 ) {\n\n\t\t\t\t_sources.delete( source );\n\n\t\t\t}\n\n\t\t}\n\n\t\tproperties.remove( texture );\n\n\t}\n\n\tfunction deleteTexture( texture ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\tconst source = texture.source;\n\t\tconst webglTextures = _sources.get( source );\n\t\tdelete webglTextures[ textureProperties.__cacheKey ];\n\n\t\tinfo.memory.textures --;\n\n\t}\n\n\tfunction deallocateRenderTarget( renderTarget ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\trenderTarget.depthTexture.dispose();\n\n\t\t\tproperties.remove( renderTarget.depthTexture );\n\n\t\t}\n\n\t\tif ( renderTarget.isWebGLCubeRenderTarget ) {\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( Array.isArray( renderTargetProperties.__webglFramebuffer[ i ] ) ) {\n\n\t\t\t\t\tfor ( let level = 0; level < renderTargetProperties.__webglFramebuffer[ i ].length; level ++ ) _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ][ level ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tif ( Array.isArray( renderTargetProperties.__webglFramebuffer ) ) {\n\n\t\t\t\tfor ( let level = 0; level < renderTargetProperties.__webglFramebuffer.length; level ++ ) _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ level ] );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer );\n\n\t\t\t}\n\n\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer );\n\t\t\tif ( renderTargetProperties.__webglMultisampledFramebuffer ) _gl.deleteFramebuffer( renderTargetProperties.__webglMultisampledFramebuffer );\n\n\t\t\tif ( renderTargetProperties.__webglColorRenderbuffer ) {\n\n\t\t\t\tfor ( let i = 0; i < renderTargetProperties.__webglColorRenderbuffer.length; i ++ ) {\n\n\t\t\t\t\tif ( renderTargetProperties.__webglColorRenderbuffer[ i ] ) _gl.deleteRenderbuffer( renderTargetProperties.__webglColorRenderbuffer[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( renderTargetProperties.__webglDepthRenderbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthRenderbuffer );\n\n\t\t}\n\n\t\tconst textures = renderTarget.textures;\n\n\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\tconst attachmentProperties = properties.get( textures[ i ] );\n\n\t\t\tif ( attachmentProperties.__webglTexture ) {\n\n\t\t\t\t_gl.deleteTexture( attachmentProperties.__webglTexture );\n\n\t\t\t\tinfo.memory.textures --;\n\n\t\t\t}\n\n\t\t\tproperties.remove( textures[ i ] );\n\n\t\t}\n\n\t\tproperties.remove( renderTarget );\n\n\t}\n\n\t//\n\n\tlet textureUnits = 0;\n\n\tfunction resetTextureUnits() {\n\n\t\ttextureUnits = 0;\n\n\t}\n\n\tfunction allocateTextureUnit() {\n\n\t\tconst textureUnit = textureUnits;\n\n\t\tif ( textureUnit >= capabilities.maxTextures ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLTextures: Trying to use ' + textureUnit + ' texture units while this GPU supports only ' + capabilities.maxTextures );\n\n\t\t}\n\n\t\ttextureUnits += 1;\n\n\t\treturn textureUnit;\n\n\t}\n\n\tfunction getTextureCacheKey( texture ) {\n\n\t\tconst array = [];\n\n\t\tarray.push( texture.wrapS );\n\t\tarray.push( texture.wrapT );\n\t\tarray.push( texture.wrapR || 0 );\n\t\tarray.push( texture.magFilter );\n\t\tarray.push( texture.minFilter );\n\t\tarray.push( texture.anisotropy );\n\t\tarray.push( texture.internalFormat );\n\t\tarray.push( texture.format );\n\t\tarray.push( texture.type );\n\t\tarray.push( texture.generateMipmaps );\n\t\tarray.push( texture.premultiplyAlpha );\n\t\tarray.push( texture.flipY );\n\t\tarray.push( texture.unpackAlignment );\n\t\tarray.push( texture.colorSpace );\n\n\t\treturn array.join();\n\n\t}\n\n\t//\n\n\tfunction setTexture2D( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.isVideoTexture ) updateVideoTexture( texture );\n\n\t\tif ( texture.isRenderTargetTexture === false && texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tconst image = texture.image;\n\n\t\t\tif ( image === null ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but no image data found.' );\n\n\t\t\t} else if ( image.complete === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete' );\n\n\t\t\t} else {\n\n\t\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture, _gl.TEXTURE0 + slot );\n\n\t}\n\n\tfunction setTexture2DArray( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.bindTexture( _gl.TEXTURE_2D_ARRAY, textureProperties.__webglTexture, _gl.TEXTURE0 + slot );\n\n\t}\n\n\tfunction setTexture3D( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.bindTexture( _gl.TEXTURE_3D, textureProperties.__webglTexture, _gl.TEXTURE0 + slot );\n\n\t}\n\n\tfunction setTextureCube( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadCubeTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture, _gl.TEXTURE0 + slot );\n\n\t}\n\n\tconst wrappingToGL = {\n\t\t[ RepeatWrapping ]: _gl.REPEAT,\n\t\t[ ClampToEdgeWrapping ]: _gl.CLAMP_TO_EDGE,\n\t\t[ MirroredRepeatWrapping ]: _gl.MIRRORED_REPEAT\n\t};\n\n\tconst filterToGL = {\n\t\t[ NearestFilter ]: _gl.NEAREST,\n\t\t[ NearestMipmapNearestFilter ]: _gl.NEAREST_MIPMAP_NEAREST,\n\t\t[ NearestMipmapLinearFilter ]: _gl.NEAREST_MIPMAP_LINEAR,\n\n\t\t[ LinearFilter ]: _gl.LINEAR,\n\t\t[ LinearMipmapNearestFilter ]: _gl.LINEAR_MIPMAP_NEAREST,\n\t\t[ LinearMipmapLinearFilter ]: _gl.LINEAR_MIPMAP_LINEAR\n\t};\n\n\tconst compareToGL = {\n\t\t[ NeverCompare ]: _gl.NEVER,\n\t\t[ AlwaysCompare ]: _gl.ALWAYS,\n\t\t[ LessCompare ]: _gl.LESS,\n\t\t[ LessEqualCompare ]: _gl.LEQUAL,\n\t\t[ EqualCompare ]: _gl.EQUAL,\n\t\t[ GreaterEqualCompare ]: _gl.GEQUAL,\n\t\t[ GreaterCompare ]: _gl.GREATER,\n\t\t[ NotEqualCompare ]: _gl.NOTEQUAL\n\t};\n\n\tfunction setTextureParameters( textureType, texture ) {\n\n\t\tif ( texture.type === FloatType && extensions.has( 'OES_texture_float_linear' ) === false &&\n\t\t\t( texture.magFilter === LinearFilter || texture.magFilter === LinearMipmapNearestFilter || texture.magFilter === NearestMipmapLinearFilter || texture.magFilter === LinearMipmapLinearFilter ||\n\t\t\ttexture.minFilter === LinearFilter || texture.minFilter === LinearMipmapNearestFilter || texture.minFilter === NearestMipmapLinearFilter || texture.minFilter === LinearMipmapLinearFilter ) ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Unable to use linear filtering with floating point textures. OES_texture_float_linear not supported on this device.' );\n\n\t\t}\n\n\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, wrappingToGL[ texture.wrapS ] );\n\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, wrappingToGL[ texture.wrapT ] );\n\n\t\tif ( textureType === _gl.TEXTURE_3D || textureType === _gl.TEXTURE_2D_ARRAY ) {\n\n\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_R, wrappingToGL[ texture.wrapR ] );\n\n\t\t}\n\n\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, filterToGL[ texture.magFilter ] );\n\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, filterToGL[ texture.minFilter ] );\n\n\t\tif ( texture.compareFunction ) {\n\n\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_COMPARE_MODE, _gl.COMPARE_REF_TO_TEXTURE );\n\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_COMPARE_FUNC, compareToGL[ texture.compareFunction ] );\n\n\t\t}\n\n\t\tif ( extensions.has( 'EXT_texture_filter_anisotropic' ) === true ) {\n\n\t\t\tif ( texture.magFilter === NearestFilter ) return;\n\t\t\tif ( texture.minFilter !== NearestMipmapLinearFilter && texture.minFilter !== LinearMipmapLinearFilter ) return;\n\t\t\tif ( texture.type === FloatType && extensions.has( 'OES_texture_float_linear' ) === false ) return; // verify extension\n\n\t\t\tif ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) {\n\n\t\t\t\tconst extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\t\t\t\t_gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) );\n\t\t\t\tproperties.get( texture ).__currentAnisotropy = texture.anisotropy;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction initTexture( textureProperties, texture ) {\n\n\t\tlet forceUpload = false;\n\n\t\tif ( textureProperties.__webglInit === undefined ) {\n\n\t\t\ttextureProperties.__webglInit = true;\n\n\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t}\n\n\t\t// create Source <-> WebGLTextures mapping if necessary\n\n\t\tconst source = texture.source;\n\t\tlet webglTextures = _sources.get( source );\n\n\t\tif ( webglTextures === undefined ) {\n\n\t\t\twebglTextures = {};\n\t\t\t_sources.set( source, webglTextures );\n\n\t\t}\n\n\t\t// check if there is already a WebGLTexture object for the given texture parameters\n\n\t\tconst textureCacheKey = getTextureCacheKey( texture );\n\n\t\tif ( textureCacheKey !== textureProperties.__cacheKey ) {\n\n\t\t\t// if not, create a new instance of WebGLTexture\n\n\t\t\tif ( webglTextures[ textureCacheKey ] === undefined ) {\n\n\t\t\t\t// create new entry\n\n\t\t\t\twebglTextures[ textureCacheKey ] = {\n\t\t\t\t\ttexture: _gl.createTexture(),\n\t\t\t\t\tusedTimes: 0\n\t\t\t\t};\n\n\t\t\t\tinfo.memory.textures ++;\n\n\t\t\t\t// when a new instance of WebGLTexture was created, a texture upload is required\n\t\t\t\t// even if the image contents are identical\n\n\t\t\t\tforceUpload = true;\n\n\t\t\t}\n\n\t\t\twebglTextures[ textureCacheKey ].usedTimes ++;\n\n\t\t\t// every time the texture cache key changes, it's necessary to check if an instance of\n\t\t\t// WebGLTexture can be deleted in order to avoid a memory leak.\n\n\t\t\tconst webglTexture = webglTextures[ textureProperties.__cacheKey ];\n\n\t\t\tif ( webglTexture !== undefined ) {\n\n\t\t\t\twebglTextures[ textureProperties.__cacheKey ].usedTimes --;\n\n\t\t\t\tif ( webglTexture.usedTimes === 0 ) {\n\n\t\t\t\t\tdeleteTexture( texture );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// store references to cache key and WebGLTexture object\n\n\t\t\ttextureProperties.__cacheKey = textureCacheKey;\n\t\t\ttextureProperties.__webglTexture = webglTextures[ textureCacheKey ].texture;\n\n\t\t}\n\n\t\treturn forceUpload;\n\n\t}\n\n\tfunction uploadTexture( textureProperties, texture, slot ) {\n\n\t\tlet textureType = _gl.TEXTURE_2D;\n\n\t\tif ( texture.isDataArrayTexture || texture.isCompressedArrayTexture ) textureType = _gl.TEXTURE_2D_ARRAY;\n\t\tif ( texture.isData3DTexture ) textureType = _gl.TEXTURE_3D;\n\n\t\tconst forceUpload = initTexture( textureProperties, texture );\n\t\tconst source = texture.source;\n\n\t\tstate.bindTexture( textureType, textureProperties.__webglTexture, _gl.TEXTURE0 + slot );\n\n\t\tconst sourceProperties = properties.get( source );\n\n\t\tif ( source.version !== sourceProperties.__version || forceUpload === true ) {\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\n\t\t\tconst workingPrimaries = ColorManagement.getPrimaries( ColorManagement.workingColorSpace );\n\t\t\tconst texturePrimaries = texture.colorSpace === NoColorSpace ? null : ColorManagement.getPrimaries( texture.colorSpace );\n\t\t\tconst unpackConversion = texture.colorSpace === NoColorSpace || workingPrimaries === texturePrimaries ? _gl.NONE : _gl.BROWSER_DEFAULT_WEBGL;\n\n\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ALIGNMENT, texture.unpackAlignment );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, unpackConversion );\n\n\t\t\tlet image = resizeImage( texture.image, false, capabilities.maxTextureSize );\n\t\t\timage = verifyColorSpace( texture, image );\n\n\t\t\tconst glFormat = utils.convert( texture.format, texture.colorSpace );\n\n\t\t\tconst glType = utils.convert( texture.type );\n\t\t\tlet glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.colorSpace, texture.isVideoTexture );\n\n\t\t\tsetTextureParameters( textureType, texture );\n\n\t\t\tlet mipmap;\n\t\t\tconst mipmaps = texture.mipmaps;\n\n\t\t\tconst useTexStorage = ( texture.isVideoTexture !== true );\n\t\t\tconst allocateMemory = ( sourceProperties.__version === undefined ) || ( forceUpload === true );\n\t\t\tconst dataReady = source.dataReady;\n\t\t\tconst levels = getMipLevels( texture, image );\n\n\t\t\tif ( texture.isDepthTexture ) {\n\n\t\t\t\tglInternalFormat = getInternalDepthFormat( texture.format === DepthStencilFormat, texture.type );\n\n\t\t\t\t//\n\n\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, 1, glInternalFormat, image.width, image.height );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, null );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( texture.isDataTexture ) {\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 ) {\n\n\t\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, mipmaps[ 0 ].width, mipmaps[ 0 ].height );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_2D, i, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, image.width, image.height );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_2D, 0, 0, 0, image.width, image.height, glFormat, glType, image.data );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, image.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( texture.isCompressedTexture ) {\n\n\t\t\t\tif ( texture.isCompressedArrayTexture ) {\n\n\t\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage3D( _gl.TEXTURE_2D_ARRAY, levels, glInternalFormat, mipmaps[ 0 ].width, mipmaps[ 0 ].height, image.depth );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\t\tif ( texture.format !== RGBAFormat ) {\n\n\t\t\t\t\t\t\tif ( glFormat !== null ) {\n\n\t\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\t\tif ( texture.layerUpdates.size > 0 ) {\n\n\t\t\t\t\t\t\t\t\t\t\tconst layerByteLength = getByteLength( mipmap.width, mipmap.height, texture.format, texture.type );\n\n\t\t\t\t\t\t\t\t\t\t\tfor ( const layerIndex of texture.layerUpdates ) {\n\n\t\t\t\t\t\t\t\t\t\t\t\tconst layerData = mipmap.data.subarray(\n\t\t\t\t\t\t\t\t\t\t\t\t\tlayerIndex * layerByteLength / mipmap.data.BYTES_PER_ELEMENT,\n\t\t\t\t\t\t\t\t\t\t\t\t\t( layerIndex + 1 ) * layerByteLength / mipmap.data.BYTES_PER_ELEMENT\n\t\t\t\t\t\t\t\t\t\t\t\t);\n\t\t\t\t\t\t\t\t\t\t\t\tstate.compressedTexSubImage3D( _gl.TEXTURE_2D_ARRAY, i, 0, 0, layerIndex, mipmap.width, mipmap.height, 1, glFormat, layerData );\n\n\t\t\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t\t\t\ttexture.clearLayerUpdates();\n\n\t\t\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\t\t\tstate.compressedTexSubImage3D( _gl.TEXTURE_2D_ARRAY, i, 0, 0, 0, mipmap.width, mipmap.height, image.depth, glFormat, mipmap.data );\n\n\t\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tstate.compressedTexImage3D( _gl.TEXTURE_2D_ARRAY, i, glInternalFormat, mipmap.width, mipmap.height, image.depth, 0, mipmap.data, 0, 0 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()' );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\tstate.texSubImage3D( _gl.TEXTURE_2D_ARRAY, i, 0, 0, 0, mipmap.width, mipmap.height, image.depth, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage3D( _gl.TEXTURE_2D_ARRAY, i, glInternalFormat, mipmap.width, mipmap.height, image.depth, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, mipmaps[ 0 ].width, mipmaps[ 0 ].height );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\t\tif ( texture.format !== RGBAFormat ) {\n\n\t\t\t\t\t\t\tif ( glFormat !== null ) {\n\n\t\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\t\tstate.compressedTexSubImage2D( _gl.TEXTURE_2D, i, 0, 0, mipmap.width, mipmap.height, glFormat, mipmap.data );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tstate.compressedTexImage2D( _gl.TEXTURE_2D, i, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()' );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_2D, i, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( texture.isDataArrayTexture ) {\n\n\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage3D( _gl.TEXTURE_2D_ARRAY, levels, glInternalFormat, image.width, image.height, image.depth );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\tif ( texture.layerUpdates.size > 0 ) {\n\n\t\t\t\t\t\t\tconst layerByteLength = getByteLength( image.width, image.height, texture.format, texture.type );\n\n\t\t\t\t\t\t\tfor ( const layerIndex of texture.layerUpdates ) {\n\n\t\t\t\t\t\t\t\tconst layerData = image.data.subarray(\n\t\t\t\t\t\t\t\t\tlayerIndex * layerByteLength / image.data.BYTES_PER_ELEMENT,\n\t\t\t\t\t\t\t\t\t( layerIndex + 1 ) * layerByteLength / image.data.BYTES_PER_ELEMENT\n\t\t\t\t\t\t\t\t);\n\t\t\t\t\t\t\t\tstate.texSubImage3D( _gl.TEXTURE_2D_ARRAY, 0, 0, 0, layerIndex, image.width, image.height, 1, glFormat, glType, layerData );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\ttexture.clearLayerUpdates();\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tstate.texSubImage3D( _gl.TEXTURE_2D_ARRAY, 0, 0, 0, 0, image.width, image.height, image.depth, glFormat, glType, image.data );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage3D( _gl.TEXTURE_2D_ARRAY, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data );\n\n\t\t\t\t}\n\n\t\t\t} else if ( texture.isData3DTexture ) {\n\n\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage3D( _gl.TEXTURE_3D, levels, glInternalFormat, image.width, image.height, image.depth );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\tstate.texSubImage3D( _gl.TEXTURE_3D, 0, 0, 0, 0, image.width, image.height, image.depth, glFormat, glType, image.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage3D( _gl.TEXTURE_3D, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data );\n\n\t\t\t\t}\n\n\t\t\t} else if ( texture.isFramebufferTexture ) {\n\n\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, image.width, image.height );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tlet width = image.width, height = image.height;\n\n\t\t\t\t\t\tfor ( let i = 0; i < levels; i ++ ) {\n\n\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glInternalFormat, width, height, 0, glFormat, glType, null );\n\n\t\t\t\t\t\t\twidth >>= 1;\n\t\t\t\t\t\t\theight >>= 1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// regular Texture (image, video, canvas)\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 ) {\n\n\t\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\t\tconst dimensions = getDimensions( mipmaps[ 0 ] );\n\n\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, dimensions.width, dimensions.height );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_2D, i, 0, 0, glFormat, glType, mipmap );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glInternalFormat, glFormat, glType, mipmap );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\t\t\tconst dimensions = getDimensions( image );\n\n\t\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, dimensions.width, dimensions.height );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_2D, 0, 0, 0, glFormat, glType, image );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glInternalFormat, glFormat, glType, image );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture ) ) {\n\n\t\t\t\tgenerateMipmap( textureType );\n\n\t\t\t}\n\n\t\t\tsourceProperties.__version = source.version;\n\n\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t}\n\n\t\ttextureProperties.__version = texture.version;\n\n\t}\n\n\tfunction uploadCubeTexture( textureProperties, texture, slot ) {\n\n\t\tif ( texture.image.length !== 6 ) return;\n\n\t\tconst forceUpload = initTexture( textureProperties, texture );\n\t\tconst source = texture.source;\n\n\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture, _gl.TEXTURE0 + slot );\n\n\t\tconst sourceProperties = properties.get( source );\n\n\t\tif ( source.version !== sourceProperties.__version || forceUpload === true ) {\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\n\t\t\tconst workingPrimaries = ColorManagement.getPrimaries( ColorManagement.workingColorSpace );\n\t\t\tconst texturePrimaries = texture.colorSpace === NoColorSpace ? null : ColorManagement.getPrimaries( texture.colorSpace );\n\t\t\tconst unpackConversion = texture.colorSpace === NoColorSpace || workingPrimaries === texturePrimaries ? _gl.NONE : _gl.BROWSER_DEFAULT_WEBGL;\n\n\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ALIGNMENT, texture.unpackAlignment );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, unpackConversion );\n\n\t\t\tconst isCompressed = ( texture.isCompressedTexture || texture.image[ 0 ].isCompressedTexture );\n\t\t\tconst isDataTexture = ( texture.image[ 0 ] && texture.image[ 0 ].isDataTexture );\n\n\t\t\tconst cubeImage = [];\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( ! isCompressed && ! isDataTexture ) {\n\n\t\t\t\t\tcubeImage[ i ] = resizeImage( texture.image[ i ], true, capabilities.maxCubemapSize );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tcubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tcubeImage[ i ] = verifyColorSpace( texture, cubeImage[ i ] );\n\n\t\t\t}\n\n\t\t\tconst image = cubeImage[ 0 ],\n\t\t\t\tglFormat = utils.convert( texture.format, texture.colorSpace ),\n\t\t\t\tglType = utils.convert( texture.type ),\n\t\t\t\tglInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.colorSpace );\n\n\t\t\tconst useTexStorage = ( texture.isVideoTexture !== true );\n\t\t\tconst allocateMemory = ( sourceProperties.__version === undefined ) || ( forceUpload === true );\n\t\t\tconst dataReady = source.dataReady;\n\t\t\tlet levels = getMipLevels( texture, image );\n\n\t\t\tsetTextureParameters( _gl.TEXTURE_CUBE_MAP, texture );\n\n\t\t\tlet mipmaps;\n\n\t\t\tif ( isCompressed ) {\n\n\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_CUBE_MAP, levels, glInternalFormat, image.width, image.height );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tmipmaps = cubeImage[ i ].mipmaps;\n\n\t\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\n\t\t\t\t\t\tif ( texture.format !== RGBAFormat ) {\n\n\t\t\t\t\t\t\tif ( glFormat !== null ) {\n\n\t\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\t\tstate.compressedTexSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, 0, 0, mipmap.width, mipmap.height, glFormat, mipmap.data );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tstate.compressedTexImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()' );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tmipmaps = texture.mipmaps;\n\n\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\t// TODO: Uniformly handle mipmap definitions\n\t\t\t\t\t// Normal textures and compressed cube textures define base level + mips with their mipmap array\n\t\t\t\t\t// Uncompressed cube textures use their mipmap array only for mips (no base level)\n\n\t\t\t\t\tif ( mipmaps.length > 0 ) levels ++;\n\n\t\t\t\t\tconst dimensions = getDimensions( cubeImage[ 0 ] );\n\n\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_CUBE_MAP, levels, glInternalFormat, dimensions.width, dimensions.height );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tif ( isDataTexture ) {\n\n\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, 0, 0, cubeImage[ i ].width, cubeImage[ i ].height, glFormat, glType, cubeImage[ i ].data );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glInternalFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\t\t\t\t\t\t\tconst mipmapImage = mipmap.image[ i ].image;\n\n\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, 0, 0, mipmapImage.width, mipmapImage.height, glFormat, glType, mipmapImage.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, glInternalFormat, mipmapImage.width, mipmapImage.height, 0, glFormat, glType, mipmapImage.data );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, 0, 0, glFormat, glType, cubeImage[ i ] );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glInternalFormat, glFormat, glType, cubeImage[ i ] );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\n\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, 0, 0, glFormat, glType, mipmap.image[ i ] );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, glInternalFormat, glFormat, glType, mipmap.image[ i ] );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture ) ) {\n\n\t\t\t\t// We assume images for cube map have the same size.\n\t\t\t\tgenerateMipmap( _gl.TEXTURE_CUBE_MAP );\n\n\t\t\t}\n\n\t\t\tsourceProperties.__version = source.version;\n\n\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t}\n\n\t\ttextureProperties.__version = texture.version;\n\n\t}\n\n\t// Render targets\n\n\t// Setup storage for target texture and bind it to correct framebuffer\n\tfunction setupFrameBufferTexture( framebuffer, renderTarget, texture, attachment, textureTarget, level ) {\n\n\t\tconst glFormat = utils.convert( texture.format, texture.colorSpace );\n\t\tconst glType = utils.convert( texture.type );\n\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.colorSpace );\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst textureProperties = properties.get( texture );\n\n\t\ttextureProperties.__renderTarget = renderTarget;\n\n\t\tif ( ! renderTargetProperties.__hasExternalTextures ) {\n\n\t\t\tconst width = Math.max( 1, renderTarget.width >> level );\n\t\t\tconst height = Math.max( 1, renderTarget.height >> level );\n\n\t\t\tif ( textureTarget === _gl.TEXTURE_3D || textureTarget === _gl.TEXTURE_2D_ARRAY ) {\n\n\t\t\t\tstate.texImage3D( textureTarget, level, glInternalFormat, width, height, renderTarget.depth, 0, glFormat, glType, null );\n\n\t\t\t} else {\n\n\t\t\t\tstate.texImage2D( textureTarget, level, glInternalFormat, width, height, 0, glFormat, glType, null );\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\tif ( useMultisampledRTT( renderTarget ) ) {\n\n\t\t\tmultisampledRTTExt.framebufferTexture2DMultisampleEXT( _gl.FRAMEBUFFER, attachment, textureTarget, textureProperties.__webglTexture, 0, getRenderTargetSamples( renderTarget ) );\n\n\t\t} else if ( textureTarget === _gl.TEXTURE_2D || ( textureTarget >= _gl.TEXTURE_CUBE_MAP_POSITIVE_X && textureTarget <= _gl.TEXTURE_CUBE_MAP_NEGATIVE_Z ) ) { // see #24753\n\n\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, attachment, textureTarget, textureProperties.__webglTexture, level );\n\n\t\t}\n\n\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t}\n\n\t// Setup storage for internal depth/stencil buffers and bind to correct framebuffer\n\tfunction setupRenderBufferStorage( renderbuffer, renderTarget, isMultisample ) {\n\n\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer );\n\n\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t// retrieve the depth attachment types\n\t\t\tconst depthTexture = renderTarget.depthTexture;\n\t\t\tconst depthType = depthTexture && depthTexture.isDepthTexture ? depthTexture.type : null;\n\t\t\tconst glInternalFormat = getInternalDepthFormat( renderTarget.stencilBuffer, depthType );\n\t\t\tconst glAttachmentType = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT;\n\n\t\t\t// set up the attachment\n\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\t\t\tconst isUseMultisampledRTT = useMultisampledRTT( renderTarget );\n\t\t\tif ( isUseMultisampledRTT ) {\n\n\t\t\t\tmultisampledRTTExt.renderbufferStorageMultisampleEXT( _gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t} else if ( isMultisample ) {\n\n\t\t\t\t_gl.renderbufferStorageMultisample( _gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, glAttachmentType, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t} else {\n\n\t\t\tconst textures = renderTarget.textures;\n\n\t\t\tfor ( let i = 0; i < textures.length; i ++ ) {\n\n\t\t\t\tconst texture = textures[ i ];\n\n\t\t\t\tconst glFormat = utils.convert( texture.format, texture.colorSpace );\n\t\t\t\tconst glType = utils.convert( texture.type );\n\t\t\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.colorSpace );\n\t\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\t\t\tif ( isMultisample && useMultisampledRTT( renderTarget ) === false ) {\n\n\t\t\t\t\t_gl.renderbufferStorageMultisample( _gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t} else if ( useMultisampledRTT( renderTarget ) ) {\n\n\t\t\t\t\tmultisampledRTTExt.renderbufferStorageMultisampleEXT( _gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, null );\n\n\t}\n\n\t// Setup resources for a Depth Texture for a FBO (needs an extension)\n\tfunction setupDepthTexture( framebuffer, renderTarget ) {\n\n\t\tconst isCube = ( renderTarget && renderTarget.isWebGLCubeRenderTarget );\n\t\tif ( isCube ) throw new Error( 'Depth Texture with cube render targets is not supported' );\n\n\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\tif ( ! ( renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture ) ) {\n\n\t\t\tthrow new Error( 'renderTarget.depthTexture must be an instance of THREE.DepthTexture' );\n\n\t\t}\n\n\t\tconst textureProperties = properties.get( renderTarget.depthTexture );\n\t\ttextureProperties.__renderTarget = renderTarget;\n\n\t\t// upload an empty depth texture with framebuffer size\n\t\tif ( ! textureProperties.__webglTexture ||\n\t\t\t\trenderTarget.depthTexture.image.width !== renderTarget.width ||\n\t\t\t\trenderTarget.depthTexture.image.height !== renderTarget.height ) {\n\n\t\t\trenderTarget.depthTexture.image.width = renderTarget.width;\n\t\t\trenderTarget.depthTexture.image.height = renderTarget.height;\n\t\t\trenderTarget.depthTexture.needsUpdate = true;\n\n\t\t}\n\n\t\tsetTexture2D( renderTarget.depthTexture, 0 );\n\n\t\tconst webglDepthTexture = textureProperties.__webglTexture;\n\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\tif ( renderTarget.depthTexture.format === DepthFormat ) {\n\n\t\t\tif ( useMultisampledRTT( renderTarget ) ) {\n\n\t\t\t\tmultisampledRTTExt.framebufferTexture2DMultisampleEXT( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0, samples );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );\n\n\t\t\t}\n\n\t\t} else if ( renderTarget.depthTexture.format === DepthStencilFormat ) {\n\n\t\t\tif ( useMultisampledRTT( renderTarget ) ) {\n\n\t\t\t\tmultisampledRTTExt.framebufferTexture2DMultisampleEXT( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0, samples );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'Unknown depthTexture format' );\n\n\t\t}\n\n\t}\n\n\t// Setup GL resources for a non-texture depth buffer\n\tfunction setupDepthRenderbuffer( renderTarget ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst isCube = ( renderTarget.isWebGLCubeRenderTarget === true );\n\n\t\t// if the bound depth texture has changed\n\t\tif ( renderTargetProperties.__boundDepthTexture !== renderTarget.depthTexture ) {\n\n\t\t\t// fire the dispose event to get rid of stored state associated with the previously bound depth buffer\n\t\t\tconst depthTexture = renderTarget.depthTexture;\n\t\t\tif ( renderTargetProperties.__depthDisposeCallback ) {\n\n\t\t\t\trenderTargetProperties.__depthDisposeCallback();\n\n\t\t\t}\n\n\t\t\t// set up dispose listeners to track when the currently attached buffer is implicitly unbound\n\t\t\tif ( depthTexture ) {\n\n\t\t\t\tconst disposeEvent = () => {\n\n\t\t\t\t\tdelete renderTargetProperties.__boundDepthTexture;\n\t\t\t\t\tdelete renderTargetProperties.__depthDisposeCallback;\n\t\t\t\t\tdepthTexture.removeEventListener( 'dispose', disposeEvent );\n\n\t\t\t\t};\n\n\t\t\t\tdepthTexture.addEventListener( 'dispose', disposeEvent );\n\t\t\t\trenderTargetProperties.__depthDisposeCallback = disposeEvent;\n\n\t\t\t}\n\n\t\t\trenderTargetProperties.__boundDepthTexture = depthTexture;\n\n\t\t}\n\n\t\tif ( renderTarget.depthTexture && ! renderTargetProperties.__autoAllocateDepthBuffer ) {\n\n\t\t\tif ( isCube ) throw new Error( 'target.depthTexture not supported in Cube render targets' );\n\n\t\t\tsetupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget );\n\n\t\t} else {\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\trenderTargetProperties.__webglDepthbuffer = [];\n\n\t\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[ i ] );\n\n\t\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer[ i ] === undefined ) {\n\n\t\t\t\t\t\trenderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer();\n\t\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget, false );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// attach buffer if it's been created already\n\t\t\t\t\t\tconst glAttachmentType = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT;\n\t\t\t\t\t\tconst renderbuffer = renderTargetProperties.__webglDepthbuffer[ i ];\n\t\t\t\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer );\n\t\t\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, glAttachmentType, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer );\n\n\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer === undefined ) {\n\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer();\n\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget, false );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// attach buffer if it's been created already\n\t\t\t\t\tconst glAttachmentType = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT;\n\t\t\t\t\tconst renderbuffer = renderTargetProperties.__webglDepthbuffer;\n\t\t\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer );\n\t\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, glAttachmentType, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t}\n\n\t// rebind framebuffer with external textures\n\tfunction rebindTextures( renderTarget, colorTexture, depthTexture ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\tif ( colorTexture !== undefined ) {\n\n\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, renderTarget.texture, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, 0 );\n\n\t\t}\n\n\t\tif ( depthTexture !== undefined ) {\n\n\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t}\n\n\t}\n\n\t// Set up GL resources for the render target\n\tfunction setupRenderTarget( renderTarget ) {\n\n\t\tconst texture = renderTarget.texture;\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst textureProperties = properties.get( texture );\n\n\t\trenderTarget.addEventListener( 'dispose', onRenderTargetDispose );\n\n\t\tconst textures = renderTarget.textures;\n\n\t\tconst isCube = ( renderTarget.isWebGLCubeRenderTarget === true );\n\t\tconst isMultipleRenderTargets = ( textures.length > 1 );\n\n\t\tif ( ! isMultipleRenderTargets ) {\n\n\t\t\tif ( textureProperties.__webglTexture === undefined ) {\n\n\t\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t}\n\n\t\t\ttextureProperties.__version = texture.version;\n\t\t\tinfo.memory.textures ++;\n\n\t\t}\n\n\t\t// Setup framebuffer\n\n\t\tif ( isCube ) {\n\n\t\t\trenderTargetProperties.__webglFramebuffer = [];\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( texture.mipmaps && texture.mipmaps.length > 0 ) {\n\n\t\t\t\t\trenderTargetProperties.__webglFramebuffer[ i ] = [];\n\n\t\t\t\t\tfor ( let level = 0; level < texture.mipmaps.length; level ++ ) {\n\n\t\t\t\t\t\trenderTargetProperties.__webglFramebuffer[ i ][ level ] = _gl.createFramebuffer();\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tif ( texture.mipmaps && texture.mipmaps.length > 0 ) {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer = [];\n\n\t\t\t\tfor ( let level = 0; level < texture.mipmaps.length; level ++ ) {\n\n\t\t\t\t\trenderTargetProperties.__webglFramebuffer[ level ] = _gl.createFramebuffer();\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer = _gl.createFramebuffer();\n\n\t\t\t}\n\n\t\t\tif ( isMultipleRenderTargets ) {\n\n\t\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst attachmentProperties = properties.get( textures[ i ] );\n\n\t\t\t\t\tif ( attachmentProperties.__webglTexture === undefined ) {\n\n\t\t\t\t\t\tattachmentProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t\t\t\tinfo.memory.textures ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( ( renderTarget.samples > 0 ) && useMultisampledRTT( renderTarget ) === false ) {\n\n\t\t\t\trenderTargetProperties.__webglMultisampledFramebuffer = _gl.createFramebuffer();\n\t\t\t\trenderTargetProperties.__webglColorRenderbuffer = [];\n\n\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer );\n\n\t\t\t\tfor ( let i = 0; i < textures.length; i ++ ) {\n\n\t\t\t\t\tconst texture = textures[ i ];\n\t\t\t\t\trenderTargetProperties.__webglColorRenderbuffer[ i ] = _gl.createRenderbuffer();\n\n\t\t\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[ i ] );\n\n\t\t\t\t\tconst glFormat = utils.convert( texture.format, texture.colorSpace );\n\t\t\t\t\tconst glType = utils.convert( texture.type );\n\t\t\t\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.colorSpace, renderTarget.isXRRenderTarget === true );\n\t\t\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\t\t\t\t\t_gl.renderbufferStorageMultisample( _gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, null );\n\n\t\t\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t\t\trenderTargetProperties.__webglDepthRenderbuffer = _gl.createRenderbuffer();\n\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthRenderbuffer, renderTarget, true );\n\n\t\t\t\t}\n\n\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Setup color buffer\n\n\t\tif ( isCube ) {\n\n\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture );\n\t\t\tsetTextureParameters( _gl.TEXTURE_CUBE_MAP, texture );\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( texture.mipmaps && texture.mipmaps.length > 0 ) {\n\n\t\t\t\t\tfor ( let level = 0; level < texture.mipmaps.length; level ++ ) {\n\n\t\t\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ][ level ], renderTarget, texture, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, level );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, texture, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture ) ) {\n\n\t\t\t\tgenerateMipmap( _gl.TEXTURE_CUBE_MAP );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t} else if ( isMultipleRenderTargets ) {\n\n\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\tconst attachment = textures[ i ];\n\t\t\t\tconst attachmentProperties = properties.get( attachment );\n\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_2D, attachmentProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( _gl.TEXTURE_2D, attachment );\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, attachment, _gl.COLOR_ATTACHMENT0 + i, _gl.TEXTURE_2D, 0 );\n\n\t\t\t\tif ( textureNeedsGenerateMipmaps( attachment ) ) {\n\n\t\t\t\t\tgenerateMipmap( _gl.TEXTURE_2D );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t} else {\n\n\t\t\tlet glTextureType = _gl.TEXTURE_2D;\n\n\t\t\tif ( renderTarget.isWebGL3DRenderTarget || renderTarget.isWebGLArrayRenderTarget ) {\n\n\t\t\t\tglTextureType = renderTarget.isWebGL3DRenderTarget ? _gl.TEXTURE_3D : _gl.TEXTURE_2D_ARRAY;\n\n\t\t\t}\n\n\t\t\tstate.bindTexture( glTextureType, textureProperties.__webglTexture );\n\t\t\tsetTextureParameters( glTextureType, texture );\n\n\t\t\tif ( texture.mipmaps && texture.mipmaps.length > 0 ) {\n\n\t\t\t\tfor ( let level = 0; level < texture.mipmaps.length; level ++ ) {\n\n\t\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ level ], renderTarget, texture, _gl.COLOR_ATTACHMENT0, glTextureType, level );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, texture, _gl.COLOR_ATTACHMENT0, glTextureType, 0 );\n\n\t\t\t}\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture ) ) {\n\n\t\t\t\tgenerateMipmap( glTextureType );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t}\n\n\t\t// Setup depth and stencil buffers\n\n\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t}\n\n\t}\n\n\tfunction updateRenderTargetMipmap( renderTarget ) {\n\n\t\tconst textures = renderTarget.textures;\n\n\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\tconst texture = textures[ i ];\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture ) ) {\n\n\t\t\t\tconst targetType = getTargetType( renderTarget );\n\t\t\t\tconst webglTexture = properties.get( texture ).__webglTexture;\n\n\t\t\t\tstate.bindTexture( targetType, webglTexture );\n\t\t\t\tgenerateMipmap( targetType );\n\t\t\t\tstate.unbindTexture();\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tconst invalidationArrayRead = [];\n\tconst invalidationArrayDraw = [];\n\n\tfunction updateMultisampleRenderTarget( renderTarget ) {\n\n\t\tif ( renderTarget.samples > 0 ) {\n\n\t\t\tif ( useMultisampledRTT( renderTarget ) === false ) {\n\n\t\t\t\tconst textures = renderTarget.textures;\n\t\t\t\tconst width = renderTarget.width;\n\t\t\t\tconst height = renderTarget.height;\n\t\t\t\tlet mask = _gl.COLOR_BUFFER_BIT;\n\t\t\t\tconst depthStyle = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT;\n\t\t\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\t\t\tconst isMultipleRenderTargets = ( textures.length > 1 );\n\n\t\t\t\t// If MRT we need to remove FBO attachments\n\t\t\t\tif ( isMultipleRenderTargets ) {\n\n\t\t\t\t\tfor ( let i = 0; i < textures.length; i ++ ) {\n\n\t\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.RENDERBUFFER, null );\n\n\t\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer );\n\t\t\t\t\t\t_gl.framebufferTexture2D( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.TEXTURE_2D, null, 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tstate.bindFramebuffer( _gl.READ_FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, renderTargetProperties.__webglFramebuffer );\n\n\t\t\t\tfor ( let i = 0; i < textures.length; i ++ ) {\n\n\t\t\t\t\tif ( renderTarget.resolveDepthBuffer ) {\n\n\t\t\t\t\t\tif ( renderTarget.depthBuffer ) mask |= _gl.DEPTH_BUFFER_BIT;\n\n\t\t\t\t\t\t// resolving stencil is slow with a D3D backend. disable it for all transmission render targets (see #27799)\n\n\t\t\t\t\t\tif ( renderTarget.stencilBuffer && renderTarget.resolveStencilBuffer ) mask |= _gl.STENCIL_BUFFER_BIT;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( isMultipleRenderTargets ) {\n\n\t\t\t\t\t\t_gl.framebufferRenderbuffer( _gl.READ_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[ i ] );\n\n\t\t\t\t\t\tconst webglTexture = properties.get( textures[ i ] ).__webglTexture;\n\t\t\t\t\t\t_gl.framebufferTexture2D( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, webglTexture, 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_gl.blitFramebuffer( 0, 0, width, height, 0, 0, width, height, mask, _gl.NEAREST );\n\n\t\t\t\t\tif ( supportsInvalidateFramebuffer === true ) {\n\n\t\t\t\t\t\tinvalidationArrayRead.length = 0;\n\t\t\t\t\t\tinvalidationArrayDraw.length = 0;\n\n\t\t\t\t\t\tinvalidationArrayRead.push( _gl.COLOR_ATTACHMENT0 + i );\n\n\t\t\t\t\t\tif ( renderTarget.depthBuffer && renderTarget.resolveDepthBuffer === false ) {\n\n\t\t\t\t\t\t\tinvalidationArrayRead.push( depthStyle );\n\t\t\t\t\t\t\tinvalidationArrayDraw.push( depthStyle );\n\n\t\t\t\t\t\t\t_gl.invalidateFramebuffer( _gl.DRAW_FRAMEBUFFER, invalidationArrayDraw );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t_gl.invalidateFramebuffer( _gl.READ_FRAMEBUFFER, invalidationArrayRead );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tstate.bindFramebuffer( _gl.READ_FRAMEBUFFER, null );\n\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, null );\n\n\t\t\t\t// If MRT since pre-blit we removed the FBO we need to reconstruct the attachments\n\t\t\t\tif ( isMultipleRenderTargets ) {\n\n\t\t\t\t\tfor ( let i = 0; i < textures.length; i ++ ) {\n\n\t\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[ i ] );\n\n\t\t\t\t\t\tconst webglTexture = properties.get( textures[ i ] ).__webglTexture;\n\n\t\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer );\n\t\t\t\t\t\t_gl.framebufferTexture2D( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.TEXTURE_2D, webglTexture, 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer );\n\n\t\t\t} else {\n\n\t\t\t\tif ( renderTarget.depthBuffer && renderTarget.resolveDepthBuffer === false && supportsInvalidateFramebuffer ) {\n\n\t\t\t\t\tconst depthStyle = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT;\n\n\t\t\t\t\t_gl.invalidateFramebuffer( _gl.DRAW_FRAMEBUFFER, [ depthStyle ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction getRenderTargetSamples( renderTarget ) {\n\n\t\treturn Math.min( capabilities.maxSamples, renderTarget.samples );\n\n\t}\n\n\tfunction useMultisampledRTT( renderTarget ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\treturn renderTarget.samples > 0 && extensions.has( 'WEBGL_multisampled_render_to_texture' ) === true && renderTargetProperties.__useRenderToTexture !== false;\n\n\t}\n\n\tfunction updateVideoTexture( texture ) {\n\n\t\tconst frame = info.render.frame;\n\n\t\t// Check the last frame we updated the VideoTexture\n\n\t\tif ( _videoTextures.get( texture ) !== frame ) {\n\n\t\t\t_videoTextures.set( texture, frame );\n\t\t\ttexture.update();\n\n\t\t}\n\n\t}\n\n\tfunction verifyColorSpace( texture, image ) {\n\n\t\tconst colorSpace = texture.colorSpace;\n\t\tconst format = texture.format;\n\t\tconst type = texture.type;\n\n\t\tif ( texture.isCompressedTexture === true || texture.isVideoTexture === true ) return image;\n\n\t\tif ( colorSpace !== LinearSRGBColorSpace && colorSpace !== NoColorSpace ) {\n\n\t\t\t// sRGB\n\n\t\t\tif ( ColorManagement.getTransfer( colorSpace ) === SRGBTransfer ) {\n\n\t\t\t\t// in WebGL 2 uncompressed textures can only be sRGB encoded if they have the RGBA8 format\n\n\t\t\t\tif ( format !== RGBAFormat || type !== UnsignedByteType ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLTextures: sRGB encoded textures have to use RGBAFormat and UnsignedByteType.' );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( 'THREE.WebGLTextures: Unsupported texture color space:', colorSpace );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn image;\n\n\t}\n\n\tfunction getDimensions( image ) {\n\n\t\tif ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) {\n\n\t\t\t// if intrinsic data are not available, fallback to width/height\n\n\t\t\t_imageDimensions.width = image.naturalWidth || image.width;\n\t\t\t_imageDimensions.height = image.naturalHeight || image.height;\n\n\t\t} else if ( typeof VideoFrame !== 'undefined' && image instanceof VideoFrame ) {\n\n\t\t\t_imageDimensions.width = image.displayWidth;\n\t\t\t_imageDimensions.height = image.displayHeight;\n\n\t\t} else {\n\n\t\t\t_imageDimensions.width = image.width;\n\t\t\t_imageDimensions.height = image.height;\n\n\t\t}\n\n\t\treturn _imageDimensions;\n\n\t}\n\n\t//\n\n\tthis.allocateTextureUnit = allocateTextureUnit;\n\tthis.resetTextureUnits = resetTextureUnits;\n\n\tthis.setTexture2D = setTexture2D;\n\tthis.setTexture2DArray = setTexture2DArray;\n\tthis.setTexture3D = setTexture3D;\n\tthis.setTextureCube = setTextureCube;\n\tthis.rebindTextures = rebindTextures;\n\tthis.setupRenderTarget = setupRenderTarget;\n\tthis.updateRenderTargetMipmap = updateRenderTargetMipmap;\n\tthis.updateMultisampleRenderTarget = updateMultisampleRenderTarget;\n\tthis.setupDepthRenderbuffer = setupDepthRenderbuffer;\n\tthis.setupFrameBufferTexture = setupFrameBufferTexture;\n\tthis.useMultisampledRTT = useMultisampledRTT;\n\n}\n\nfunction WebGLUtils( gl, extensions ) {\n\n\tfunction convert( p, colorSpace = NoColorSpace ) {\n\n\t\tlet extension;\n\n\t\tconst transfer = ColorManagement.getTransfer( colorSpace );\n\n\t\tif ( p === UnsignedByteType ) return gl.UNSIGNED_BYTE;\n\t\tif ( p === UnsignedShort4444Type ) return gl.UNSIGNED_SHORT_4_4_4_4;\n\t\tif ( p === UnsignedShort5551Type ) return gl.UNSIGNED_SHORT_5_5_5_1;\n\t\tif ( p === UnsignedInt5999Type ) return gl.UNSIGNED_INT_5_9_9_9_REV;\n\n\t\tif ( p === ByteType ) return gl.BYTE;\n\t\tif ( p === ShortType ) return gl.SHORT;\n\t\tif ( p === UnsignedShortType ) return gl.UNSIGNED_SHORT;\n\t\tif ( p === IntType ) return gl.INT;\n\t\tif ( p === UnsignedIntType ) return gl.UNSIGNED_INT;\n\t\tif ( p === FloatType ) return gl.FLOAT;\n\t\tif ( p === HalfFloatType ) return gl.HALF_FLOAT;\n\n\t\tif ( p === AlphaFormat ) return gl.ALPHA;\n\t\tif ( p === RGBFormat ) return gl.RGB;\n\t\tif ( p === RGBAFormat ) return gl.RGBA;\n\t\tif ( p === LuminanceFormat ) return gl.LUMINANCE;\n\t\tif ( p === LuminanceAlphaFormat ) return gl.LUMINANCE_ALPHA;\n\t\tif ( p === DepthFormat ) return gl.DEPTH_COMPONENT;\n\t\tif ( p === DepthStencilFormat ) return gl.DEPTH_STENCIL;\n\n\t\t// WebGL2 formats.\n\n\t\tif ( p === RedFormat ) return gl.RED;\n\t\tif ( p === RedIntegerFormat ) return gl.RED_INTEGER;\n\t\tif ( p === RGFormat ) return gl.RG;\n\t\tif ( p === RGIntegerFormat ) return gl.RG_INTEGER;\n\t\tif ( p === RGBAIntegerFormat ) return gl.RGBA_INTEGER;\n\n\t\t// S3TC\n\n\t\tif ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format || p === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) {\n\n\t\t\tif ( transfer === SRGBTransfer ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_s3tc_srgb' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_SRGB_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT;\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT;\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// PVRTC\n\n\t\tif ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format || p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;\n\t\t\t\tif ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;\n\t\t\t\tif ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;\n\t\t\t\tif ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// ETC\n\n\t\tif ( p === RGB_ETC1_Format || p === RGB_ETC2_Format || p === RGBA_ETC2_EAC_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_etc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGB_ETC1_Format || p === RGB_ETC2_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ETC2 : extension.COMPRESSED_RGB8_ETC2;\n\t\t\t\tif ( p === RGBA_ETC2_EAC_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC : extension.COMPRESSED_RGBA8_ETC2_EAC;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// ASTC\n\n\t\tif ( p === RGBA_ASTC_4x4_Format || p === RGBA_ASTC_5x4_Format || p === RGBA_ASTC_5x5_Format ||\n\t\t\tp === RGBA_ASTC_6x5_Format || p === RGBA_ASTC_6x6_Format || p === RGBA_ASTC_8x5_Format ||\n\t\t\tp === RGBA_ASTC_8x6_Format || p === RGBA_ASTC_8x8_Format || p === RGBA_ASTC_10x5_Format ||\n\t\t\tp === RGBA_ASTC_10x6_Format || p === RGBA_ASTC_10x8_Format || p === RGBA_ASTC_10x10_Format ||\n\t\t\tp === RGBA_ASTC_12x10_Format || p === RGBA_ASTC_12x12_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_astc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGBA_ASTC_4x4_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR : extension.COMPRESSED_RGBA_ASTC_4x4_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_5x4_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR : extension.COMPRESSED_RGBA_ASTC_5x4_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_5x5_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR : extension.COMPRESSED_RGBA_ASTC_5x5_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_6x5_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR : extension.COMPRESSED_RGBA_ASTC_6x5_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_6x6_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR : extension.COMPRESSED_RGBA_ASTC_6x6_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_8x5_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR : extension.COMPRESSED_RGBA_ASTC_8x5_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_8x6_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR : extension.COMPRESSED_RGBA_ASTC_8x6_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_8x8_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR : extension.COMPRESSED_RGBA_ASTC_8x8_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_10x5_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR : extension.COMPRESSED_RGBA_ASTC_10x5_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_10x6_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR : extension.COMPRESSED_RGBA_ASTC_10x6_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_10x8_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR : extension.COMPRESSED_RGBA_ASTC_10x8_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_10x10_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR : extension.COMPRESSED_RGBA_ASTC_10x10_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_12x10_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR : extension.COMPRESSED_RGBA_ASTC_12x10_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_12x12_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR : extension.COMPRESSED_RGBA_ASTC_12x12_KHR;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// BPTC\n\n\t\tif ( p === RGBA_BPTC_Format || p === RGB_BPTC_SIGNED_Format || p === RGB_BPTC_UNSIGNED_Format ) {\n\n\t\t\textension = extensions.get( 'EXT_texture_compression_bptc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGBA_BPTC_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT : extension.COMPRESSED_RGBA_BPTC_UNORM_EXT;\n\t\t\t\tif ( p === RGB_BPTC_SIGNED_Format ) return extension.COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT;\n\t\t\t\tif ( p === RGB_BPTC_UNSIGNED_Format ) return extension.COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// RGTC\n\n\t\tif ( p === RED_RGTC1_Format || p === SIGNED_RED_RGTC1_Format || p === RED_GREEN_RGTC2_Format || p === SIGNED_RED_GREEN_RGTC2_Format ) {\n\n\t\t\textension = extensions.get( 'EXT_texture_compression_rgtc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGBA_BPTC_Format ) return extension.COMPRESSED_RED_RGTC1_EXT;\n\t\t\t\tif ( p === SIGNED_RED_RGTC1_Format ) return extension.COMPRESSED_SIGNED_RED_RGTC1_EXT;\n\t\t\t\tif ( p === RED_GREEN_RGTC2_Format ) return extension.COMPRESSED_RED_GREEN_RGTC2_EXT;\n\t\t\t\tif ( p === SIGNED_RED_GREEN_RGTC2_Format ) return extension.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tif ( p === UnsignedInt248Type ) return gl.UNSIGNED_INT_24_8;\n\n\t\t// if \"p\" can't be resolved, assume the user defines a WebGL constant as a string (fallback/workaround for packed RGB formats)\n\n\t\treturn ( gl[ p ] !== undefined ) ? gl[ p ] : null;\n\n\t}\n\n\treturn { convert: convert };\n\n}\n\nconst _occlusion_vertex = `\nvoid main() {\n\n\tgl_Position = vec4( position, 1.0 );\n\n}`;\n\nconst _occlusion_fragment = `\nuniform sampler2DArray depthColor;\nuniform float depthWidth;\nuniform float depthHeight;\n\nvoid main() {\n\n\tvec2 coord = vec2( gl_FragCoord.x / depthWidth, gl_FragCoord.y / depthHeight );\n\n\tif ( coord.x >= 1.0 ) {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x - 1.0, coord.y, 1 ) ).r;\n\n\t} else {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x, coord.y, 0 ) ).r;\n\n\t}\n\n}`;\n\nclass WebXRDepthSensing {\n\n\tconstructor() {\n\n\t\tthis.texture = null;\n\t\tthis.mesh = null;\n\n\t\tthis.depthNear = 0;\n\t\tthis.depthFar = 0;\n\n\t}\n\n\tinit( renderer, depthData, renderState ) {\n\n\t\tif ( this.texture === null ) {\n\n\t\t\tconst texture = new Texture();\n\n\t\t\tconst texProps = renderer.properties.get( texture );\n\t\t\ttexProps.__webglTexture = depthData.texture;\n\n\t\t\tif ( ( depthData.depthNear !== renderState.depthNear ) || ( depthData.depthFar !== renderState.depthFar ) ) {\n\n\t\t\t\tthis.depthNear = depthData.depthNear;\n\t\t\t\tthis.depthFar = depthData.depthFar;\n\n\t\t\t}\n\n\t\t\tthis.texture = texture;\n\n\t\t}\n\n\t}\n\n\tgetMesh( cameraXR ) {\n\n\t\tif ( this.texture !== null ) {\n\n\t\t\tif ( this.mesh === null ) {\n\n\t\t\t\tconst viewport = cameraXR.cameras[ 0 ].viewport;\n\t\t\t\tconst material = new ShaderMaterial( {\n\t\t\t\t\tvertexShader: _occlusion_vertex,\n\t\t\t\t\tfragmentShader: _occlusion_fragment,\n\t\t\t\t\tuniforms: {\n\t\t\t\t\t\tdepthColor: { value: this.texture },\n\t\t\t\t\t\tdepthWidth: { value: viewport.z },\n\t\t\t\t\t\tdepthHeight: { value: viewport.w }\n\t\t\t\t\t}\n\t\t\t\t} );\n\n\t\t\t\tthis.mesh = new Mesh( new PlaneGeometry( 20, 20 ), material );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this.mesh;\n\n\t}\n\n\treset() {\n\n\t\tthis.texture = null;\n\t\tthis.mesh = null;\n\n\t}\n\n\tgetDepthTexture() {\n\n\t\treturn this.texture;\n\n\t}\n\n}\n\nclass WebXRManager extends EventDispatcher {\n\n\tconstructor( renderer, gl ) {\n\n\t\tsuper();\n\n\t\tconst scope = this;\n\n\t\tlet session = null;\n\n\t\tlet framebufferScaleFactor = 1.0;\n\n\t\tlet referenceSpace = null;\n\t\tlet referenceSpaceType = 'local-floor';\n\t\t// Set default foveation to maximum.\n\t\tlet foveation = 1.0;\n\t\tlet customReferenceSpace = null;\n\n\t\tlet pose = null;\n\t\tlet glBinding = null;\n\t\tlet glProjLayer = null;\n\t\tlet glBaseLayer = null;\n\t\tlet xrFrame = null;\n\n\t\tconst depthSensing = new WebXRDepthSensing();\n\t\tconst attributes = gl.getContextAttributes();\n\n\t\tlet initialRenderTarget = null;\n\t\tlet newRenderTarget = null;\n\n\t\tconst controllers = [];\n\t\tconst controllerInputSources = [];\n\n\t\tconst currentSize = new Vector2();\n\t\tlet currentPixelRatio = null;\n\n\t\t//\n\n\t\tconst cameraL = new PerspectiveCamera();\n\t\tcameraL.viewport = new Vector4();\n\n\t\tconst cameraR = new PerspectiveCamera();\n\t\tcameraR.viewport = new Vector4();\n\n\t\tconst cameras = [ cameraL, cameraR ];\n\n\t\tconst cameraXR = new ArrayCamera();\n\n\t\tlet _currentDepthNear = null;\n\t\tlet _currentDepthFar = null;\n\n\t\t//\n\n\t\tthis.cameraAutoUpdate = true;\n\t\tthis.enabled = false;\n\n\t\tthis.isPresenting = false;\n\n\t\tthis.getController = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getTargetRaySpace();\n\n\t\t};\n\n\t\tthis.getControllerGrip = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getGripSpace();\n\n\t\t};\n\n\t\tthis.getHand = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getHandSpace();\n\n\t\t};\n\n\t\t//\n\n\t\tfunction onSessionEvent( event ) {\n\n\t\t\tconst controllerIndex = controllerInputSources.indexOf( event.inputSource );\n\n\t\t\tif ( controllerIndex === - 1 ) {\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tconst controller = controllers[ controllerIndex ];\n\n\t\t\tif ( controller !== undefined ) {\n\n\t\t\t\tcontroller.update( event.inputSource, event.frame, customReferenceSpace || referenceSpace );\n\t\t\t\tcontroller.dispatchEvent( { type: event.type, data: event.inputSource } );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onSessionEnd() {\n\n\t\t\tsession.removeEventListener( 'select', onSessionEvent );\n\t\t\tsession.removeEventListener( 'selectstart', onSessionEvent );\n\t\t\tsession.removeEventListener( 'selectend', onSessionEvent );\n\t\t\tsession.removeEventListener( 'squeeze', onSessionEvent );\n\t\t\tsession.removeEventListener( 'squeezestart', onSessionEvent );\n\t\t\tsession.removeEventListener( 'squeezeend', onSessionEvent );\n\t\t\tsession.removeEventListener( 'end', onSessionEnd );\n\t\t\tsession.removeEventListener( 'inputsourceschange', onInputSourcesChange );\n\n\t\t\tfor ( let i = 0; i < controllers.length; i ++ ) {\n\n\t\t\t\tconst inputSource = controllerInputSources[ i ];\n\n\t\t\t\tif ( inputSource === null ) continue;\n\n\t\t\t\tcontrollerInputSources[ i ] = null;\n\n\t\t\t\tcontrollers[ i ].disconnect( inputSource );\n\n\t\t\t}\n\n\t\t\t_currentDepthNear = null;\n\t\t\t_currentDepthFar = null;\n\n\t\t\tdepthSensing.reset();\n\n\t\t\t// restore framebuffer/rendering state\n\n\t\t\trenderer.setRenderTarget( initialRenderTarget );\n\n\t\t\tglBaseLayer = null;\n\t\t\tglProjLayer = null;\n\t\t\tglBinding = null;\n\t\t\tsession = null;\n\t\t\tnewRenderTarget = null;\n\n\t\t\t//\n\n\t\t\tanimation.stop();\n\n\t\t\tscope.isPresenting = false;\n\n\t\t\trenderer.setPixelRatio( currentPixelRatio );\n\t\t\trenderer.setSize( currentSize.width, currentSize.height, false );\n\n\t\t\tscope.dispatchEvent( { type: 'sessionend' } );\n\n\t\t}\n\n\t\tthis.setFramebufferScaleFactor = function ( value ) {\n\n\t\t\tframebufferScaleFactor = value;\n\n\t\t\tif ( scope.isPresenting === true ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebXRManager: Cannot change framebuffer scale while presenting.' );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.setReferenceSpaceType = function ( value ) {\n\n\t\t\treferenceSpaceType = value;\n\n\t\t\tif ( scope.isPresenting === true ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebXRManager: Cannot change reference space type while presenting.' );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getReferenceSpace = function () {\n\n\t\t\treturn customReferenceSpace || referenceSpace;\n\n\t\t};\n\n\t\tthis.setReferenceSpace = function ( space ) {\n\n\t\t\tcustomReferenceSpace = space;\n\n\t\t};\n\n\t\tthis.getBaseLayer = function () {\n\n\t\t\treturn glProjLayer !== null ? glProjLayer : glBaseLayer;\n\n\t\t};\n\n\t\tthis.getBinding = function () {\n\n\t\t\treturn glBinding;\n\n\t\t};\n\n\t\tthis.getFrame = function () {\n\n\t\t\treturn xrFrame;\n\n\t\t};\n\n\t\tthis.getSession = function () {\n\n\t\t\treturn session;\n\n\t\t};\n\n\t\tthis.setSession = async function ( value ) {\n\n\t\t\tsession = value;\n\n\t\t\tif ( session !== null ) {\n\n\t\t\t\tinitialRenderTarget = renderer.getRenderTarget();\n\n\t\t\t\tsession.addEventListener( 'select', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'selectstart', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'selectend', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeeze', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeezestart', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeezeend', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'end', onSessionEnd );\n\t\t\t\tsession.addEventListener( 'inputsourceschange', onInputSourcesChange );\n\n\t\t\t\tif ( attributes.xrCompatible !== true ) {\n\n\t\t\t\t\tawait gl.makeXRCompatible();\n\n\t\t\t\t}\n\n\t\t\t\tcurrentPixelRatio = renderer.getPixelRatio();\n\t\t\t\trenderer.getSize( currentSize );\n\n\t\t\t\t// Check that the browser implements the necessary APIs to use an\n\t\t\t\t// XRProjectionLayer rather than an XRWebGLLayer\n\t\t\t\tconst useLayers = typeof XRWebGLBinding !== 'undefined' && 'createProjectionLayer' in XRWebGLBinding.prototype;\n\n\t\t\t\tif ( ! useLayers ) {\n\n\t\t\t\t\tconst layerInit = {\n\t\t\t\t\t\tantialias: attributes.antialias,\n\t\t\t\t\t\talpha: true,\n\t\t\t\t\t\tdepth: attributes.depth,\n\t\t\t\t\t\tstencil: attributes.stencil,\n\t\t\t\t\t\tframebufferScaleFactor: framebufferScaleFactor\n\t\t\t\t\t};\n\n\t\t\t\t\tglBaseLayer = new XRWebGLLayer( session, gl, layerInit );\n\n\t\t\t\t\tsession.updateRenderState( { baseLayer: glBaseLayer } );\n\n\t\t\t\t\trenderer.setPixelRatio( 1 );\n\t\t\t\t\trenderer.setSize( glBaseLayer.framebufferWidth, glBaseLayer.framebufferHeight, false );\n\n\t\t\t\t\tnewRenderTarget = new WebGLRenderTarget(\n\t\t\t\t\t\tglBaseLayer.framebufferWidth,\n\t\t\t\t\t\tglBaseLayer.framebufferHeight,\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tformat: RGBAFormat,\n\t\t\t\t\t\t\ttype: UnsignedByteType,\n\t\t\t\t\t\t\tcolorSpace: renderer.outputColorSpace,\n\t\t\t\t\t\t\tstencilBuffer: attributes.stencil\n\t\t\t\t\t\t}\n\t\t\t\t\t);\n\n\t\t\t\t} else {\n\n\t\t\t\t\tlet depthFormat = null;\n\t\t\t\t\tlet depthType = null;\n\t\t\t\t\tlet glDepthFormat = null;\n\n\t\t\t\t\tif ( attributes.depth ) {\n\n\t\t\t\t\t\tglDepthFormat = attributes.stencil ? gl.DEPTH24_STENCIL8 : gl.DEPTH_COMPONENT24;\n\t\t\t\t\t\tdepthFormat = attributes.stencil ? DepthStencilFormat : DepthFormat;\n\t\t\t\t\t\tdepthType = attributes.stencil ? UnsignedInt248Type : UnsignedIntType;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst projectionlayerInit = {\n\t\t\t\t\t\tcolorFormat: gl.RGBA8,\n\t\t\t\t\t\tdepthFormat: glDepthFormat,\n\t\t\t\t\t\tscaleFactor: framebufferScaleFactor\n\t\t\t\t\t};\n\n\t\t\t\t\tglBinding = new XRWebGLBinding( session, gl );\n\n\t\t\t\t\tglProjLayer = glBinding.createProjectionLayer( projectionlayerInit );\n\n\t\t\t\t\tsession.updateRenderState( { layers: [ glProjLayer ] } );\n\n\t\t\t\t\trenderer.setPixelRatio( 1 );\n\t\t\t\t\trenderer.setSize( glProjLayer.textureWidth, glProjLayer.textureHeight, false );\n\n\t\t\t\t\tnewRenderTarget = new WebGLRenderTarget(\n\t\t\t\t\t\tglProjLayer.textureWidth,\n\t\t\t\t\t\tglProjLayer.textureHeight,\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tformat: RGBAFormat,\n\t\t\t\t\t\t\ttype: UnsignedByteType,\n\t\t\t\t\t\t\tdepthTexture: new DepthTexture( glProjLayer.textureWidth, glProjLayer.textureHeight, depthType, undefined, undefined, undefined, undefined, undefined, undefined, depthFormat ),\n\t\t\t\t\t\t\tstencilBuffer: attributes.stencil,\n\t\t\t\t\t\t\tcolorSpace: renderer.outputColorSpace,\n\t\t\t\t\t\t\tsamples: attributes.antialias ? 4 : 0,\n\t\t\t\t\t\t\tresolveDepthBuffer: ( glProjLayer.ignoreDepthValues === false )\n\t\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t\tnewRenderTarget.isXRRenderTarget = true; // TODO Remove this when possible, see #23278\n\n\t\t\t\tthis.setFoveation( foveation );\n\n\t\t\t\tcustomReferenceSpace = null;\n\t\t\t\treferenceSpace = await session.requestReferenceSpace( referenceSpaceType );\n\n\t\t\t\tanimation.setContext( session );\n\t\t\t\tanimation.start();\n\n\t\t\t\tscope.isPresenting = true;\n\n\t\t\t\tscope.dispatchEvent( { type: 'sessionstart' } );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getEnvironmentBlendMode = function () {\n\n\t\t\tif ( session !== null ) {\n\n\t\t\t\treturn session.environmentBlendMode;\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getDepthTexture = function () {\n\n\t\t\treturn depthSensing.getDepthTexture();\n\n\t\t};\n\n\t\tfunction onInputSourcesChange( event ) {\n\n\t\t\t// Notify disconnected\n\n\t\t\tfor ( let i = 0; i < event.removed.length; i ++ ) {\n\n\t\t\t\tconst inputSource = event.removed[ i ];\n\t\t\t\tconst index = controllerInputSources.indexOf( inputSource );\n\n\t\t\t\tif ( index >= 0 ) {\n\n\t\t\t\t\tcontrollerInputSources[ index ] = null;\n\t\t\t\t\tcontrollers[ index ].disconnect( inputSource );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Notify connected\n\n\t\t\tfor ( let i = 0; i < event.added.length; i ++ ) {\n\n\t\t\t\tconst inputSource = event.added[ i ];\n\n\t\t\t\tlet controllerIndex = controllerInputSources.indexOf( inputSource );\n\n\t\t\t\tif ( controllerIndex === - 1 ) {\n\n\t\t\t\t\t// Assign input source a controller that currently has no input source\n\n\t\t\t\t\tfor ( let i = 0; i < controllers.length; i ++ ) {\n\n\t\t\t\t\t\tif ( i >= controllerInputSources.length ) {\n\n\t\t\t\t\t\t\tcontrollerInputSources.push( inputSource );\n\t\t\t\t\t\t\tcontrollerIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t} else if ( controllerInputSources[ i ] === null ) {\n\n\t\t\t\t\t\t\tcontrollerInputSources[ i ] = inputSource;\n\t\t\t\t\t\t\tcontrollerIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// If all controllers do currently receive input we ignore new ones\n\n\t\t\t\t\tif ( controllerIndex === - 1 ) break;\n\n\t\t\t\t}\n\n\t\t\t\tconst controller = controllers[ controllerIndex ];\n\n\t\t\t\tif ( controller ) {\n\n\t\t\t\t\tcontroller.connect( inputSource );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tconst cameraLPos = new Vector3();\n\t\tconst cameraRPos = new Vector3();\n\n\t\t/**\n\t\t * Assumes 2 cameras that are parallel and share an X-axis, and that\n\t\t * the cameras' projection and world matrices have already been set.\n\t\t * And that near and far planes are identical for both cameras.\n\t\t * Visualization of this technique: https://computergraphics.stackexchange.com/a/4765\n\t\t *\n\t\t * @param {ArrayCamera} camera - The camera to update.\n\t\t * @param {PerspectiveCamera} cameraL - The left camera.\n\t\t * @param {PerspectiveCamera} cameraR - The right camera.\n\t\t */\n\t\tfunction setProjectionFromUnion( camera, cameraL, cameraR ) {\n\n\t\t\tcameraLPos.setFromMatrixPosition( cameraL.matrixWorld );\n\t\t\tcameraRPos.setFromMatrixPosition( cameraR.matrixWorld );\n\n\t\t\tconst ipd = cameraLPos.distanceTo( cameraRPos );\n\n\t\t\tconst projL = cameraL.projectionMatrix.elements;\n\t\t\tconst projR = cameraR.projectionMatrix.elements;\n\n\t\t\t// VR systems will have identical far and near planes, and\n\t\t\t// most likely identical top and bottom frustum extents.\n\t\t\t// Use the left camera for these values.\n\t\t\tconst near = projL[ 14 ] / ( projL[ 10 ] - 1 );\n\t\t\tconst far = projL[ 14 ] / ( projL[ 10 ] + 1 );\n\t\t\tconst topFov = ( projL[ 9 ] + 1 ) / projL[ 5 ];\n\t\t\tconst bottomFov = ( projL[ 9 ] - 1 ) / projL[ 5 ];\n\n\t\t\tconst leftFov = ( projL[ 8 ] - 1 ) / projL[ 0 ];\n\t\t\tconst rightFov = ( projR[ 8 ] + 1 ) / projR[ 0 ];\n\t\t\tconst left = near * leftFov;\n\t\t\tconst right = near * rightFov;\n\n\t\t\t// Calculate the new camera's position offset from the\n\t\t\t// left camera. xOffset should be roughly half `ipd`.\n\t\t\tconst zOffset = ipd / ( - leftFov + rightFov );\n\t\t\tconst xOffset = zOffset * - leftFov;\n\n\t\t\t// TODO: Better way to apply this offset?\n\t\t\tcameraL.matrixWorld.decompose( camera.position, camera.quaternion, camera.scale );\n\t\t\tcamera.translateX( xOffset );\n\t\t\tcamera.translateZ( zOffset );\n\t\t\tcamera.matrixWorld.compose( camera.position, camera.quaternion, camera.scale );\n\t\t\tcamera.matrixWorldInverse.copy( camera.matrixWorld ).invert();\n\n\t\t\t// Check if the projection uses an infinite far plane.\n\t\t\tif ( projL[ 10 ] === - 1.0 ) {\n\n\t\t\t\t// Use the projection matrix from the left eye.\n\t\t\t\t// The camera offset is sufficient to include the view volumes\n\t\t\t\t// of both eyes (assuming symmetric projections).\n\t\t\t\tcamera.projectionMatrix.copy( cameraL.projectionMatrix );\n\t\t\t\tcamera.projectionMatrixInverse.copy( cameraL.projectionMatrixInverse );\n\n\t\t\t} else {\n\n\t\t\t\t// Find the union of the frustum values of the cameras and scale\n\t\t\t\t// the values so that the near plane's position does not change in world space,\n\t\t\t\t// although must now be relative to the new union camera.\n\t\t\t\tconst near2 = near + zOffset;\n\t\t\t\tconst far2 = far + zOffset;\n\t\t\t\tconst left2 = left - xOffset;\n\t\t\t\tconst right2 = right + ( ipd - xOffset );\n\t\t\t\tconst top2 = topFov * far / far2 * near2;\n\t\t\t\tconst bottom2 = bottomFov * far / far2 * near2;\n\n\t\t\t\tcamera.projectionMatrix.makePerspective( left2, right2, top2, bottom2, near2, far2 );\n\t\t\t\tcamera.projectionMatrixInverse.copy( camera.projectionMatrix ).invert();\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction updateCamera( camera, parent ) {\n\n\t\t\tif ( parent === null ) {\n\n\t\t\t\tcamera.matrixWorld.copy( camera.matrix );\n\n\t\t\t} else {\n\n\t\t\t\tcamera.matrixWorld.multiplyMatrices( parent.matrixWorld, camera.matrix );\n\n\t\t\t}\n\n\t\t\tcamera.matrixWorldInverse.copy( camera.matrixWorld ).invert();\n\n\t\t}\n\n\t\tthis.updateCamera = function ( camera ) {\n\n\t\t\tif ( session === null ) return;\n\n\t\t\tlet depthNear = camera.near;\n\t\t\tlet depthFar = camera.far;\n\n\t\t\tif ( depthSensing.texture !== null ) {\n\n\t\t\t\tif ( depthSensing.depthNear > 0 ) depthNear = depthSensing.depthNear;\n\t\t\t\tif ( depthSensing.depthFar > 0 ) depthFar = depthSensing.depthFar;\n\n\t\t\t}\n\n\t\t\tcameraXR.near = cameraR.near = cameraL.near = depthNear;\n\t\t\tcameraXR.far = cameraR.far = cameraL.far = depthFar;\n\n\t\t\tif ( _currentDepthNear !== cameraXR.near || _currentDepthFar !== cameraXR.far ) {\n\n\t\t\t\t// Note that the new renderState won't apply until the next frame. See #18320\n\n\t\t\t\tsession.updateRenderState( {\n\t\t\t\t\tdepthNear: cameraXR.near,\n\t\t\t\t\tdepthFar: cameraXR.far\n\t\t\t\t} );\n\n\t\t\t\t_currentDepthNear = cameraXR.near;\n\t\t\t\t_currentDepthFar = cameraXR.far;\n\n\t\t\t}\n\n\t\t\tcameraL.layers.mask = camera.layers.mask | 0b010;\n\t\t\tcameraR.layers.mask = camera.layers.mask | 0b100;\n\t\t\tcameraXR.layers.mask = cameraL.layers.mask | cameraR.layers.mask;\n\n\t\t\tconst parent = camera.parent;\n\t\t\tconst cameras = cameraXR.cameras;\n\n\t\t\tupdateCamera( cameraXR, parent );\n\n\t\t\tfor ( let i = 0; i < cameras.length; i ++ ) {\n\n\t\t\t\tupdateCamera( cameras[ i ], parent );\n\n\t\t\t}\n\n\t\t\t// update projection matrix for proper view frustum culling\n\n\t\t\tif ( cameras.length === 2 ) {\n\n\t\t\t\tsetProjectionFromUnion( cameraXR, cameraL, cameraR );\n\n\t\t\t} else {\n\n\t\t\t\t// assume single camera setup (AR)\n\n\t\t\t\tcameraXR.projectionMatrix.copy( cameraL.projectionMatrix );\n\n\t\t\t}\n\n\t\t\t// update user camera and its children\n\n\t\t\tupdateUserCamera( camera, cameraXR, parent );\n\n\t\t};\n\n\t\tfunction updateUserCamera( camera, cameraXR, parent ) {\n\n\t\t\tif ( parent === null ) {\n\n\t\t\t\tcamera.matrix.copy( cameraXR.matrixWorld );\n\n\t\t\t} else {\n\n\t\t\t\tcamera.matrix.copy( parent.matrixWorld );\n\t\t\t\tcamera.matrix.invert();\n\t\t\t\tcamera.matrix.multiply( cameraXR.matrixWorld );\n\n\t\t\t}\n\n\t\t\tcamera.matrix.decompose( camera.position, camera.quaternion, camera.scale );\n\t\t\tcamera.updateMatrixWorld( true );\n\n\t\t\tcamera.projectionMatrix.copy( cameraXR.projectionMatrix );\n\t\t\tcamera.projectionMatrixInverse.copy( cameraXR.projectionMatrixInverse );\n\n\t\t\tif ( camera.isPerspectiveCamera ) {\n\n\t\t\t\tcamera.fov = RAD2DEG * 2 * Math.atan( 1 / camera.projectionMatrix.elements[ 5 ] );\n\t\t\t\tcamera.zoom = 1;\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.getCamera = function () {\n\n\t\t\treturn cameraXR;\n\n\t\t};\n\n\t\tthis.getFoveation = function () {\n\n\t\t\tif ( glProjLayer === null && glBaseLayer === null ) {\n\n\t\t\t\treturn undefined;\n\n\t\t\t}\n\n\t\t\treturn foveation;\n\n\t\t};\n\n\t\tthis.setFoveation = function ( value ) {\n\n\t\t\t// 0 = no foveation = full resolution\n\t\t\t// 1 = maximum foveation = the edges render at lower resolution\n\n\t\t\tfoveation = value;\n\n\t\t\tif ( glProjLayer !== null ) {\n\n\t\t\t\tglProjLayer.fixedFoveation = value;\n\n\t\t\t}\n\n\t\t\tif ( glBaseLayer !== null && glBaseLayer.fixedFoveation !== undefined ) {\n\n\t\t\t\tglBaseLayer.fixedFoveation = value;\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.hasDepthSensing = function () {\n\n\t\t\treturn depthSensing.texture !== null;\n\n\t\t};\n\n\t\tthis.getDepthSensingMesh = function () {\n\n\t\t\treturn depthSensing.getMesh( cameraXR );\n\n\t\t};\n\n\t\t// Animation Loop\n\n\t\tlet onAnimationFrameCallback = null;\n\n\t\tfunction onAnimationFrame( time, frame ) {\n\n\t\t\tpose = frame.getViewerPose( customReferenceSpace || referenceSpace );\n\t\t\txrFrame = frame;\n\n\t\t\tif ( pose !== null ) {\n\n\t\t\t\tconst views = pose.views;\n\n\t\t\t\tif ( glBaseLayer !== null ) {\n\n\t\t\t\t\trenderer.setRenderTargetFramebuffer( newRenderTarget, glBaseLayer.framebuffer );\n\t\t\t\t\trenderer.setRenderTarget( newRenderTarget );\n\n\t\t\t\t}\n\n\t\t\t\tlet cameraXRNeedsUpdate = false;\n\n\t\t\t\t// check if it's necessary to rebuild cameraXR's camera list\n\n\t\t\t\tif ( views.length !== cameraXR.cameras.length ) {\n\n\t\t\t\t\tcameraXR.cameras.length = 0;\n\t\t\t\t\tcameraXRNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0; i < views.length; i ++ ) {\n\n\t\t\t\t\tconst view = views[ i ];\n\n\t\t\t\t\tlet viewport = null;\n\n\t\t\t\t\tif ( glBaseLayer !== null ) {\n\n\t\t\t\t\t\tviewport = glBaseLayer.getViewport( view );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst glSubImage = glBinding.getViewSubImage( glProjLayer, view );\n\t\t\t\t\t\tviewport = glSubImage.viewport;\n\n\t\t\t\t\t\t// For side-by-side projection, we only produce a single texture for both eyes.\n\t\t\t\t\t\tif ( i === 0 ) {\n\n\t\t\t\t\t\t\trenderer.setRenderTargetTextures(\n\t\t\t\t\t\t\t\tnewRenderTarget,\n\t\t\t\t\t\t\t\tglSubImage.colorTexture,\n\t\t\t\t\t\t\t\tglProjLayer.ignoreDepthValues ? undefined : glSubImage.depthStencilTexture );\n\n\t\t\t\t\t\t\trenderer.setRenderTarget( newRenderTarget );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tlet camera = cameras[ i ];\n\n\t\t\t\t\tif ( camera === undefined ) {\n\n\t\t\t\t\t\tcamera = new PerspectiveCamera();\n\t\t\t\t\t\tcamera.layers.enable( i );\n\t\t\t\t\t\tcamera.viewport = new Vector4();\n\t\t\t\t\t\tcameras[ i ] = camera;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcamera.matrix.fromArray( view.transform.matrix );\n\t\t\t\t\tcamera.matrix.decompose( camera.position, camera.quaternion, camera.scale );\n\t\t\t\t\tcamera.projectionMatrix.fromArray( view.projectionMatrix );\n\t\t\t\t\tcamera.projectionMatrixInverse.copy( camera.projectionMatrix ).invert();\n\t\t\t\t\tcamera.viewport.set( viewport.x, viewport.y, viewport.width, viewport.height );\n\n\t\t\t\t\tif ( i === 0 ) {\n\n\t\t\t\t\t\tcameraXR.matrix.copy( camera.matrix );\n\t\t\t\t\t\tcameraXR.matrix.decompose( cameraXR.position, cameraXR.quaternion, cameraXR.scale );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( cameraXRNeedsUpdate === true ) {\n\n\t\t\t\t\t\tcameraXR.cameras.push( camera );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t//\n\n\t\t\t\tconst enabledFeatures = session.enabledFeatures;\n\t\t\t\tconst gpuDepthSensingEnabled = enabledFeatures &&\n\t\t\t\t\tenabledFeatures.includes( 'depth-sensing' ) &&\n\t\t\t\t\tsession.depthUsage == 'gpu-optimized';\n\n\t\t\t\tif ( gpuDepthSensingEnabled && glBinding ) {\n\n\t\t\t\t\tconst depthData = glBinding.getDepthInformation( views[ 0 ] );\n\n\t\t\t\t\tif ( depthData && depthData.isValid && depthData.texture ) {\n\n\t\t\t\t\t\tdepthSensing.init( renderer, depthData, session.renderState );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tfor ( let i = 0; i < controllers.length; i ++ ) {\n\n\t\t\t\tconst inputSource = controllerInputSources[ i ];\n\t\t\t\tconst controller = controllers[ i ];\n\n\t\t\t\tif ( inputSource !== null && controller !== undefined ) {\n\n\t\t\t\t\tcontroller.update( inputSource, frame, customReferenceSpace || referenceSpace );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( onAnimationFrameCallback ) onAnimationFrameCallback( time, frame );\n\n\t\t\tif ( frame.detectedPlanes ) {\n\n\t\t\t\tscope.dispatchEvent( { type: 'planesdetected', data: frame } );\n\n\t\t\t}\n\n\t\t\txrFrame = null;\n\n\t\t}\n\n\t\tconst animation = new WebGLAnimation();\n\n\t\tanimation.setAnimationLoop( onAnimationFrame );\n\n\t\tthis.setAnimationLoop = function ( callback ) {\n\n\t\t\tonAnimationFrameCallback = callback;\n\n\t\t};\n\n\t\tthis.dispose = function () {};\n\n\t}\n\n}\n\nconst _e1 = /*@__PURE__*/ new Euler();\nconst _m1 = /*@__PURE__*/ new Matrix4();\n\nfunction WebGLMaterials( renderer, properties ) {\n\n\tfunction refreshTransformUniform( map, uniform ) {\n\n\t\tif ( map.matrixAutoUpdate === true ) {\n\n\t\t\tmap.updateMatrix();\n\n\t\t}\n\n\t\tuniform.value.copy( map.matrix );\n\n\t}\n\n\tfunction refreshFogUniforms( uniforms, fog ) {\n\n\t\tfog.color.getRGB( uniforms.fogColor.value, getUnlitUniformColorSpace( renderer ) );\n\n\t\tif ( fog.isFog ) {\n\n\t\t\tuniforms.fogNear.value = fog.near;\n\t\t\tuniforms.fogFar.value = fog.far;\n\n\t\t} else if ( fog.isFogExp2 ) {\n\n\t\t\tuniforms.fogDensity.value = fog.density;\n\n\t\t}\n\n\t}\n\n\tfunction refreshMaterialUniforms( uniforms, material, pixelRatio, height, transmissionRenderTarget ) {\n\n\t\tif ( material.isMeshBasicMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t} else if ( material.isMeshLambertMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t} else if ( material.isMeshToonMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsToon( uniforms, material );\n\n\t\t} else if ( material.isMeshPhongMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsPhong( uniforms, material );\n\n\t\t} else if ( material.isMeshStandardMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsStandard( uniforms, material );\n\n\t\t\tif ( material.isMeshPhysicalMaterial ) {\n\n\t\t\t\trefreshUniformsPhysical( uniforms, material, transmissionRenderTarget );\n\n\t\t\t}\n\n\t\t} else if ( material.isMeshMatcapMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsMatcap( uniforms, material );\n\n\t\t} else if ( material.isMeshDepthMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t} else if ( material.isMeshDistanceMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsDistance( uniforms, material );\n\n\t\t} else if ( material.isMeshNormalMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t} else if ( material.isLineBasicMaterial ) {\n\n\t\t\trefreshUniformsLine( uniforms, material );\n\n\t\t\tif ( material.isLineDashedMaterial ) {\n\n\t\t\t\trefreshUniformsDash( uniforms, material );\n\n\t\t\t}\n\n\t\t} else if ( material.isPointsMaterial ) {\n\n\t\t\trefreshUniformsPoints( uniforms, material, pixelRatio, height );\n\n\t\t} else if ( material.isSpriteMaterial ) {\n\n\t\t\trefreshUniformsSprites( uniforms, material );\n\n\t\t} else if ( material.isShadowMaterial ) {\n\n\t\t\tuniforms.color.value.copy( material.color );\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t} else if ( material.isShaderMaterial ) {\n\n\t\t\tmaterial.uniformsNeedUpdate = false; // #15581\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsCommon( uniforms, material ) {\n\n\t\tuniforms.opacity.value = material.opacity;\n\n\t\tif ( material.color ) {\n\n\t\t\tuniforms.diffuse.value.copy( material.color );\n\n\t\t}\n\n\t\tif ( material.emissive ) {\n\n\t\t\tuniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity );\n\n\t\t}\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t\trefreshTransformUniform( material.map, uniforms.mapTransform );\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t\trefreshTransformUniform( material.alphaMap, uniforms.alphaMapTransform );\n\n\t\t}\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\n\t\t\trefreshTransformUniform( material.bumpMap, uniforms.bumpMapTransform );\n\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\n\t\t\tif ( material.side === BackSide ) {\n\n\t\t\t\tuniforms.bumpScale.value *= - 1;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\n\t\t\trefreshTransformUniform( material.normalMap, uniforms.normalMapTransform );\n\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\n\t\t\tif ( material.side === BackSide ) {\n\n\t\t\t\tuniforms.normalScale.value.negate();\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\n\t\t\trefreshTransformUniform( material.displacementMap, uniforms.displacementMapTransform );\n\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t\tif ( material.emissiveMap ) {\n\n\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\trefreshTransformUniform( material.emissiveMap, uniforms.emissiveMapTransform );\n\n\t\t}\n\n\t\tif ( material.specularMap ) {\n\n\t\t\tuniforms.specularMap.value = material.specularMap;\n\n\t\t\trefreshTransformUniform( material.specularMap, uniforms.specularMapTransform );\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t\tconst materialProperties = properties.get( material );\n\n\t\tconst envMap = materialProperties.envMap;\n\t\tconst envMapRotation = materialProperties.envMapRotation;\n\n\t\tif ( envMap ) {\n\n\t\t\tuniforms.envMap.value = envMap;\n\n\t\t\t_e1.copy( envMapRotation );\n\n\t\t\t// accommodate left-handed frame\n\t\t\t_e1.x *= - 1; _e1.y *= - 1; _e1.z *= - 1;\n\n\t\t\tif ( envMap.isCubeTexture && envMap.isRenderTargetTexture === false ) {\n\n\t\t\t\t// environment maps which are not cube render targets or PMREMs follow a different convention\n\t\t\t\t_e1.y *= - 1;\n\t\t\t\t_e1.z *= - 1;\n\n\t\t\t}\n\n\t\t\tuniforms.envMapRotation.value.setFromMatrix4( _m1.makeRotationFromEuler( _e1 ) );\n\n\t\t\tuniforms.flipEnvMap.value = ( envMap.isCubeTexture && envMap.isRenderTargetTexture === false ) ? - 1 : 1;\n\n\t\t\tuniforms.reflectivity.value = material.reflectivity;\n\t\t\tuniforms.ior.value = material.ior;\n\t\t\tuniforms.refractionRatio.value = material.refractionRatio;\n\n\t\t}\n\n\t\tif ( material.lightMap ) {\n\n\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\trefreshTransformUniform( material.lightMap, uniforms.lightMapTransform );\n\n\t\t}\n\n\t\tif ( material.aoMap ) {\n\n\t\t\tuniforms.aoMap.value = material.aoMap;\n\t\t\tuniforms.aoMapIntensity.value = material.aoMapIntensity;\n\n\t\t\trefreshTransformUniform( material.aoMap, uniforms.aoMapTransform );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsLine( uniforms, material ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t\trefreshTransformUniform( material.map, uniforms.mapTransform );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsDash( uniforms, material ) {\n\n\t\tuniforms.dashSize.value = material.dashSize;\n\t\tuniforms.totalSize.value = material.dashSize + material.gapSize;\n\t\tuniforms.scale.value = material.scale;\n\n\t}\n\n\tfunction refreshUniformsPoints( uniforms, material, pixelRatio, height ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\t\tuniforms.size.value = material.size * pixelRatio;\n\t\tuniforms.scale.value = height * 0.5;\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t\trefreshTransformUniform( material.map, uniforms.uvTransform );\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t\trefreshTransformUniform( material.alphaMap, uniforms.alphaMapTransform );\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsSprites( uniforms, material ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\t\tuniforms.rotation.value = material.rotation;\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t\trefreshTransformUniform( material.map, uniforms.mapTransform );\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t\trefreshTransformUniform( material.alphaMap, uniforms.alphaMapTransform );\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsPhong( uniforms, material ) {\n\n\t\tuniforms.specular.value.copy( material.specular );\n\t\tuniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 )\n\n\t}\n\n\tfunction refreshUniformsToon( uniforms, material ) {\n\n\t\tif ( material.gradientMap ) {\n\n\t\t\tuniforms.gradientMap.value = material.gradientMap;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsStandard( uniforms, material ) {\n\n\t\tuniforms.metalness.value = material.metalness;\n\n\t\tif ( material.metalnessMap ) {\n\n\t\t\tuniforms.metalnessMap.value = material.metalnessMap;\n\n\t\t\trefreshTransformUniform( material.metalnessMap, uniforms.metalnessMapTransform );\n\n\t\t}\n\n\t\tuniforms.roughness.value = material.roughness;\n\n\t\tif ( material.roughnessMap ) {\n\n\t\t\tuniforms.roughnessMap.value = material.roughnessMap;\n\n\t\t\trefreshTransformUniform( material.roughnessMap, uniforms.roughnessMapTransform );\n\n\t\t}\n\n\t\tif ( material.envMap ) {\n\n\t\t\t//uniforms.envMap.value = material.envMap; // part of uniforms common\n\n\t\t\tuniforms.envMapIntensity.value = material.envMapIntensity;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsPhysical( uniforms, material, transmissionRenderTarget ) {\n\n\t\tuniforms.ior.value = material.ior; // also part of uniforms common\n\n\t\tif ( material.sheen > 0 ) {\n\n\t\t\tuniforms.sheenColor.value.copy( material.sheenColor ).multiplyScalar( material.sheen );\n\n\t\t\tuniforms.sheenRoughness.value = material.sheenRoughness;\n\n\t\t\tif ( material.sheenColorMap ) {\n\n\t\t\t\tuniforms.sheenColorMap.value = material.sheenColorMap;\n\n\t\t\t\trefreshTransformUniform( material.sheenColorMap, uniforms.sheenColorMapTransform );\n\n\t\t\t}\n\n\t\t\tif ( material.sheenRoughnessMap ) {\n\n\t\t\t\tuniforms.sheenRoughnessMap.value = material.sheenRoughnessMap;\n\n\t\t\t\trefreshTransformUniform( material.sheenRoughnessMap, uniforms.sheenRoughnessMapTransform );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.clearcoat > 0 ) {\n\n\t\t\tuniforms.clearcoat.value = material.clearcoat;\n\t\t\tuniforms.clearcoatRoughness.value = material.clearcoatRoughness;\n\n\t\t\tif ( material.clearcoatMap ) {\n\n\t\t\t\tuniforms.clearcoatMap.value = material.clearcoatMap;\n\n\t\t\t\trefreshTransformUniform( material.clearcoatMap, uniforms.clearcoatMapTransform );\n\n\t\t\t}\n\n\t\t\tif ( material.clearcoatRoughnessMap ) {\n\n\t\t\t\tuniforms.clearcoatRoughnessMap.value = material.clearcoatRoughnessMap;\n\n\t\t\t\trefreshTransformUniform( material.clearcoatRoughnessMap, uniforms.clearcoatRoughnessMapTransform );\n\n\t\t\t}\n\n\t\t\tif ( material.clearcoatNormalMap ) {\n\n\t\t\t\tuniforms.clearcoatNormalMap.value = material.clearcoatNormalMap;\n\n\t\t\t\trefreshTransformUniform( material.clearcoatNormalMap, uniforms.clearcoatNormalMapTransform );\n\n\t\t\t\tuniforms.clearcoatNormalScale.value.copy( material.clearcoatNormalScale );\n\n\t\t\t\tif ( material.side === BackSide ) {\n\n\t\t\t\t\tuniforms.clearcoatNormalScale.value.negate();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.dispersion > 0 ) {\n\n\t\t\tuniforms.dispersion.value = material.dispersion;\n\n\t\t}\n\n\t\tif ( material.iridescence > 0 ) {\n\n\t\t\tuniforms.iridescence.value = material.iridescence;\n\t\t\tuniforms.iridescenceIOR.value = material.iridescenceIOR;\n\t\t\tuniforms.iridescenceThicknessMinimum.value = material.iridescenceThicknessRange[ 0 ];\n\t\t\tuniforms.iridescenceThicknessMaximum.value = material.iridescenceThicknessRange[ 1 ];\n\n\t\t\tif ( material.iridescenceMap ) {\n\n\t\t\t\tuniforms.iridescenceMap.value = material.iridescenceMap;\n\n\t\t\t\trefreshTransformUniform( material.iridescenceMap, uniforms.iridescenceMapTransform );\n\n\t\t\t}\n\n\t\t\tif ( material.iridescenceThicknessMap ) {\n\n\t\t\t\tuniforms.iridescenceThicknessMap.value = material.iridescenceThicknessMap;\n\n\t\t\t\trefreshTransformUniform( material.iridescenceThicknessMap, uniforms.iridescenceThicknessMapTransform );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.transmission > 0 ) {\n\n\t\t\tuniforms.transmission.value = material.transmission;\n\t\t\tuniforms.transmissionSamplerMap.value = transmissionRenderTarget.texture;\n\t\t\tuniforms.transmissionSamplerSize.value.set( transmissionRenderTarget.width, transmissionRenderTarget.height );\n\n\t\t\tif ( material.transmissionMap ) {\n\n\t\t\t\tuniforms.transmissionMap.value = material.transmissionMap;\n\n\t\t\t\trefreshTransformUniform( material.transmissionMap, uniforms.transmissionMapTransform );\n\n\t\t\t}\n\n\t\t\tuniforms.thickness.value = material.thickness;\n\n\t\t\tif ( material.thicknessMap ) {\n\n\t\t\t\tuniforms.thicknessMap.value = material.thicknessMap;\n\n\t\t\t\trefreshTransformUniform( material.thicknessMap, uniforms.thicknessMapTransform );\n\n\t\t\t}\n\n\t\t\tuniforms.attenuationDistance.value = material.attenuationDistance;\n\t\t\tuniforms.attenuationColor.value.copy( material.attenuationColor );\n\n\t\t}\n\n\t\tif ( material.anisotropy > 0 ) {\n\n\t\t\tuniforms.anisotropyVector.value.set( material.anisotropy * Math.cos( material.anisotropyRotation ), material.anisotropy * Math.sin( material.anisotropyRotation ) );\n\n\t\t\tif ( material.anisotropyMap ) {\n\n\t\t\t\tuniforms.anisotropyMap.value = material.anisotropyMap;\n\n\t\t\t\trefreshTransformUniform( material.anisotropyMap, uniforms.anisotropyMapTransform );\n\n\t\t\t}\n\n\t\t}\n\n\t\tuniforms.specularIntensity.value = material.specularIntensity;\n\t\tuniforms.specularColor.value.copy( material.specularColor );\n\n\t\tif ( material.specularColorMap ) {\n\n\t\t\tuniforms.specularColorMap.value = material.specularColorMap;\n\n\t\t\trefreshTransformUniform( material.specularColorMap, uniforms.specularColorMapTransform );\n\n\t\t}\n\n\t\tif ( material.specularIntensityMap ) {\n\n\t\t\tuniforms.specularIntensityMap.value = material.specularIntensityMap;\n\n\t\t\trefreshTransformUniform( material.specularIntensityMap, uniforms.specularIntensityMapTransform );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsMatcap( uniforms, material ) {\n\n\t\tif ( material.matcap ) {\n\n\t\t\tuniforms.matcap.value = material.matcap;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsDistance( uniforms, material ) {\n\n\t\tconst light = properties.get( material ).light;\n\n\t\tuniforms.referencePosition.value.setFromMatrixPosition( light.matrixWorld );\n\t\tuniforms.nearDistance.value = light.shadow.camera.near;\n\t\tuniforms.farDistance.value = light.shadow.camera.far;\n\n\t}\n\n\treturn {\n\t\trefreshFogUniforms: refreshFogUniforms,\n\t\trefreshMaterialUniforms: refreshMaterialUniforms\n\t};\n\n}\n\nfunction WebGLUniformsGroups( gl, info, capabilities, state ) {\n\n\tlet buffers = {};\n\tlet updateList = {};\n\tlet allocatedBindingPoints = [];\n\n\tconst maxBindingPoints = gl.getParameter( gl.MAX_UNIFORM_BUFFER_BINDINGS ); // binding points are global whereas block indices are per shader program\n\n\tfunction bind( uniformsGroup, program ) {\n\n\t\tconst webglProgram = program.program;\n\t\tstate.uniformBlockBinding( uniformsGroup, webglProgram );\n\n\t}\n\n\tfunction update( uniformsGroup, program ) {\n\n\t\tlet buffer = buffers[ uniformsGroup.id ];\n\n\t\tif ( buffer === undefined ) {\n\n\t\t\tprepareUniformsGroup( uniformsGroup );\n\n\t\t\tbuffer = createBuffer( uniformsGroup );\n\t\t\tbuffers[ uniformsGroup.id ] = buffer;\n\n\t\t\tuniformsGroup.addEventListener( 'dispose', onUniformsGroupsDispose );\n\n\t\t}\n\n\t\t// ensure to update the binding points/block indices mapping for this program\n\n\t\tconst webglProgram = program.program;\n\t\tstate.updateUBOMapping( uniformsGroup, webglProgram );\n\n\t\t// update UBO once per frame\n\n\t\tconst frame = info.render.frame;\n\n\t\tif ( updateList[ uniformsGroup.id ] !== frame ) {\n\n\t\t\tupdateBufferData( uniformsGroup );\n\n\t\t\tupdateList[ uniformsGroup.id ] = frame;\n\n\t\t}\n\n\t}\n\n\tfunction createBuffer( uniformsGroup ) {\n\n\t\t// the setup of an UBO is independent of a particular shader program but global\n\n\t\tconst bindingPointIndex = allocateBindingPointIndex();\n\t\tuniformsGroup.__bindingPointIndex = bindingPointIndex;\n\n\t\tconst buffer = gl.createBuffer();\n\t\tconst size = uniformsGroup.__size;\n\t\tconst usage = uniformsGroup.usage;\n\n\t\tgl.bindBuffer( gl.UNIFORM_BUFFER, buffer );\n\t\tgl.bufferData( gl.UNIFORM_BUFFER, size, usage );\n\t\tgl.bindBuffer( gl.UNIFORM_BUFFER, null );\n\t\tgl.bindBufferBase( gl.UNIFORM_BUFFER, bindingPointIndex, buffer );\n\n\t\treturn buffer;\n\n\t}\n\n\tfunction allocateBindingPointIndex() {\n\n\t\tfor ( let i = 0; i < maxBindingPoints; i ++ ) {\n\n\t\t\tif ( allocatedBindingPoints.indexOf( i ) === - 1 ) {\n\n\t\t\t\tallocatedBindingPoints.push( i );\n\t\t\t\treturn i;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconsole.error( 'THREE.WebGLRenderer: Maximum number of simultaneously usable uniforms groups reached.' );\n\n\t\treturn 0;\n\n\t}\n\n\tfunction updateBufferData( uniformsGroup ) {\n\n\t\tconst buffer = buffers[ uniformsGroup.id ];\n\t\tconst uniforms = uniformsGroup.uniforms;\n\t\tconst cache = uniformsGroup.__cache;\n\n\t\tgl.bindBuffer( gl.UNIFORM_BUFFER, buffer );\n\n\t\tfor ( let i = 0, il = uniforms.length; i < il; i ++ ) {\n\n\t\t\tconst uniformArray = Array.isArray( uniforms[ i ] ) ? uniforms[ i ] : [ uniforms[ i ] ];\n\n\t\t\tfor ( let j = 0, jl = uniformArray.length; j < jl; j ++ ) {\n\n\t\t\t\tconst uniform = uniformArray[ j ];\n\n\t\t\t\tif ( hasUniformChanged( uniform, i, j, cache ) === true ) {\n\n\t\t\t\t\tconst offset = uniform.__offset;\n\n\t\t\t\t\tconst values = Array.isArray( uniform.value ) ? uniform.value : [ uniform.value ];\n\n\t\t\t\t\tlet arrayOffset = 0;\n\n\t\t\t\t\tfor ( let k = 0; k < values.length; k ++ ) {\n\n\t\t\t\t\t\tconst value = values[ k ];\n\n\t\t\t\t\t\tconst info = getUniformSize( value );\n\n\t\t\t\t\t\t// TODO add integer and struct support\n\t\t\t\t\t\tif ( typeof value === 'number' || typeof value === 'boolean' ) {\n\n\t\t\t\t\t\t\tuniform.__data[ 0 ] = value;\n\t\t\t\t\t\t\tgl.bufferSubData( gl.UNIFORM_BUFFER, offset + arrayOffset, uniform.__data );\n\n\t\t\t\t\t\t} else if ( value.isMatrix3 ) {\n\n\t\t\t\t\t\t\t// manually converting 3x3 to 3x4\n\n\t\t\t\t\t\t\tuniform.__data[ 0 ] = value.elements[ 0 ];\n\t\t\t\t\t\t\tuniform.__data[ 1 ] = value.elements[ 1 ];\n\t\t\t\t\t\t\tuniform.__data[ 2 ] = value.elements[ 2 ];\n\t\t\t\t\t\t\tuniform.__data[ 3 ] = 0;\n\t\t\t\t\t\t\tuniform.__data[ 4 ] = value.elements[ 3 ];\n\t\t\t\t\t\t\tuniform.__data[ 5 ] = value.elements[ 4 ];\n\t\t\t\t\t\t\tuniform.__data[ 6 ] = value.elements[ 5 ];\n\t\t\t\t\t\t\tuniform.__data[ 7 ] = 0;\n\t\t\t\t\t\t\tuniform.__data[ 8 ] = value.elements[ 6 ];\n\t\t\t\t\t\t\tuniform.__data[ 9 ] = value.elements[ 7 ];\n\t\t\t\t\t\t\tuniform.__data[ 10 ] = value.elements[ 8 ];\n\t\t\t\t\t\t\tuniform.__data[ 11 ] = 0;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvalue.toArray( uniform.__data, arrayOffset );\n\n\t\t\t\t\t\t\tarrayOffset += info.storage / Float32Array.BYTES_PER_ELEMENT;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tgl.bufferSubData( gl.UNIFORM_BUFFER, offset, uniform.__data );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tgl.bindBuffer( gl.UNIFORM_BUFFER, null );\n\n\t}\n\n\tfunction hasUniformChanged( uniform, index, indexArray, cache ) {\n\n\t\tconst value = uniform.value;\n\t\tconst indexString = index + '_' + indexArray;\n\n\t\tif ( cache[ indexString ] === undefined ) {\n\n\t\t\t// cache entry does not exist so far\n\n\t\t\tif ( typeof value === 'number' || typeof value === 'boolean' ) {\n\n\t\t\t\tcache[ indexString ] = value;\n\n\t\t\t} else {\n\n\t\t\t\tcache[ indexString ] = value.clone();\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t} else {\n\n\t\t\tconst cachedObject = cache[ indexString ];\n\n\t\t\t// compare current value with cached entry\n\n\t\t\tif ( typeof value === 'number' || typeof value === 'boolean' ) {\n\n\t\t\t\tif ( cachedObject !== value ) {\n\n\t\t\t\t\tcache[ indexString ] = value;\n\t\t\t\t\treturn true;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( cachedObject.equals( value ) === false ) {\n\n\t\t\t\t\tcachedObject.copy( value );\n\t\t\t\t\treturn true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tfunction prepareUniformsGroup( uniformsGroup ) {\n\n\t\t// determine total buffer size according to the STD140 layout\n\t\t// Hint: STD140 is the only supported layout in WebGL 2\n\n\t\tconst uniforms = uniformsGroup.uniforms;\n\n\t\tlet offset = 0; // global buffer offset in bytes\n\t\tconst chunkSize = 16; // size of a chunk in bytes\n\n\t\tfor ( let i = 0, l = uniforms.length; i < l; i ++ ) {\n\n\t\t\tconst uniformArray = Array.isArray( uniforms[ i ] ) ? uniforms[ i ] : [ uniforms[ i ] ];\n\n\t\t\tfor ( let j = 0, jl = uniformArray.length; j < jl; j ++ ) {\n\n\t\t\t\tconst uniform = uniformArray[ j ];\n\n\t\t\t\tconst values = Array.isArray( uniform.value ) ? uniform.value : [ uniform.value ];\n\n\t\t\t\tfor ( let k = 0, kl = values.length; k < kl; k ++ ) {\n\n\t\t\t\t\tconst value = values[ k ];\n\n\t\t\t\t\tconst info = getUniformSize( value );\n\n\t\t\t\t\tconst chunkOffset = offset % chunkSize; // offset in the current chunk\n\t\t\t\t\tconst chunkPadding = chunkOffset % info.boundary; // required padding to match boundary\n\t\t\t\t\tconst chunkStart = chunkOffset + chunkPadding; // the start position in the current chunk for the data\n\n\t\t\t\t\toffset += chunkPadding;\n\n\t\t\t\t\t// Check for chunk overflow\n\t\t\t\t\tif ( chunkStart !== 0 && ( chunkSize - chunkStart ) < info.storage ) {\n\n\t\t\t\t\t\t// Add padding and adjust offset\n\t\t\t\t\t\toffset += ( chunkSize - chunkStart );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// the following two properties will be used for partial buffer updates\n\t\t\t\t\tuniform.__data = new Float32Array( info.storage / Float32Array.BYTES_PER_ELEMENT );\n\t\t\t\t\tuniform.__offset = offset;\n\n\t\t\t\t\t// Update the global offset\n\t\t\t\t\toffset += info.storage;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// ensure correct final padding\n\n\t\tconst chunkOffset = offset % chunkSize;\n\n\t\tif ( chunkOffset > 0 ) offset += ( chunkSize - chunkOffset );\n\n\t\t//\n\n\t\tuniformsGroup.__size = offset;\n\t\tuniformsGroup.__cache = {};\n\n\t\treturn this;\n\n\t}\n\n\tfunction getUniformSize( value ) {\n\n\t\tconst info = {\n\t\t\tboundary: 0, // bytes\n\t\t\tstorage: 0 // bytes\n\t\t};\n\n\t\t// determine sizes according to STD140\n\n\t\tif ( typeof value === 'number' || typeof value === 'boolean' ) {\n\n\t\t\t// float/int/bool\n\n\t\t\tinfo.boundary = 4;\n\t\t\tinfo.storage = 4;\n\n\t\t} else if ( value.isVector2 ) {\n\n\t\t\t// vec2\n\n\t\t\tinfo.boundary = 8;\n\t\t\tinfo.storage = 8;\n\n\t\t} else if ( value.isVector3 || value.isColor ) {\n\n\t\t\t// vec3\n\n\t\t\tinfo.boundary = 16;\n\t\t\tinfo.storage = 12; // evil: vec3 must start on a 16-byte boundary but it only consumes 12 bytes\n\n\t\t} else if ( value.isVector4 ) {\n\n\t\t\t// vec4\n\n\t\t\tinfo.boundary = 16;\n\t\t\tinfo.storage = 16;\n\n\t\t} else if ( value.isMatrix3 ) {\n\n\t\t\t// mat3 (in STD140 a 3x3 matrix is represented as 3x4)\n\n\t\t\tinfo.boundary = 48;\n\t\t\tinfo.storage = 48;\n\n\t\t} else if ( value.isMatrix4 ) {\n\n\t\t\t// mat4\n\n\t\t\tinfo.boundary = 64;\n\t\t\tinfo.storage = 64;\n\n\t\t} else if ( value.isTexture ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture samplers can not be part of an uniforms group.' );\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Unsupported uniform value type.', value );\n\n\t\t}\n\n\t\treturn info;\n\n\t}\n\n\tfunction onUniformsGroupsDispose( event ) {\n\n\t\tconst uniformsGroup = event.target;\n\n\t\tuniformsGroup.removeEventListener( 'dispose', onUniformsGroupsDispose );\n\n\t\tconst index = allocatedBindingPoints.indexOf( uniformsGroup.__bindingPointIndex );\n\t\tallocatedBindingPoints.splice( index, 1 );\n\n\t\tgl.deleteBuffer( buffers[ uniformsGroup.id ] );\n\n\t\tdelete buffers[ uniformsGroup.id ];\n\t\tdelete updateList[ uniformsGroup.id ];\n\n\t}\n\n\tfunction dispose() {\n\n\t\tfor ( const id in buffers ) {\n\n\t\t\tgl.deleteBuffer( buffers[ id ] );\n\n\t\t}\n\n\t\tallocatedBindingPoints = [];\n\t\tbuffers = {};\n\t\tupdateList = {};\n\n\t}\n\n\treturn {\n\n\t\tbind: bind,\n\t\tupdate: update,\n\n\t\tdispose: dispose\n\n\t};\n\n}\n\nclass WebGLRenderer {\n\n\tconstructor( parameters = {} ) {\n\n\t\tconst {\n\t\t\tcanvas = createCanvasElement(),\n\t\t\tcontext = null,\n\t\t\tdepth = true,\n\t\t\tstencil = false,\n\t\t\talpha = false,\n\t\t\tantialias = false,\n\t\t\tpremultipliedAlpha = true,\n\t\t\tpreserveDrawingBuffer = false,\n\t\t\tpowerPreference = 'default',\n\t\t\tfailIfMajorPerformanceCaveat = false,\n\t\t\treverseDepthBuffer = false,\n\t\t} = parameters;\n\n\t\tthis.isWebGLRenderer = true;\n\n\t\tlet _alpha;\n\n\t\tif ( context !== null ) {\n\n\t\t\tif ( typeof WebGLRenderingContext !== 'undefined' && context instanceof WebGLRenderingContext ) {\n\n\t\t\t\tthrow new Error( 'THREE.WebGLRenderer: WebGL 1 is not supported since r163.' );\n\n\t\t\t}\n\n\t\t\t_alpha = context.getContextAttributes().alpha;\n\n\t\t} else {\n\n\t\t\t_alpha = alpha;\n\n\t\t}\n\n\t\tconst uintClearColor = new Uint32Array( 4 );\n\t\tconst intClearColor = new Int32Array( 4 );\n\n\t\tlet currentRenderList = null;\n\t\tlet currentRenderState = null;\n\n\t\t// render() can be called from within a callback triggered by another render.\n\t\t// We track this so that the nested render call gets its list and state isolated from the parent render call.\n\n\t\tconst renderListStack = [];\n\t\tconst renderStateStack = [];\n\n\t\t// public properties\n\n\t\tthis.domElement = canvas;\n\n\t\t// Debug configuration container\n\t\tthis.debug = {\n\n\t\t\t/**\n\t\t\t * Enables error checking and reporting when shader programs are being compiled\n\t\t\t * @type {boolean}\n\t\t\t */\n\t\t\tcheckShaderErrors: true,\n\t\t\t/**\n\t\t\t * Callback for custom error reporting.\n\t\t\t * @type {?Function}\n\t\t\t */\n\t\t\tonShaderError: null\n\t\t};\n\n\t\t// clearing\n\n\t\tthis.autoClear = true;\n\t\tthis.autoClearColor = true;\n\t\tthis.autoClearDepth = true;\n\t\tthis.autoClearStencil = true;\n\n\t\t// scene graph\n\n\t\tthis.sortObjects = true;\n\n\t\t// user-defined clipping\n\n\t\tthis.clippingPlanes = [];\n\t\tthis.localClippingEnabled = false;\n\n\t\t// physically based shading\n\n\t\tthis._outputColorSpace = SRGBColorSpace;\n\n\t\t// tone mapping\n\n\t\tthis.toneMapping = NoToneMapping;\n\t\tthis.toneMappingExposure = 1.0;\n\n\t\t// internal properties\n\n\t\tconst _this = this;\n\n\t\tlet _isContextLost = false;\n\n\t\t// internal state cache\n\n\t\tlet _currentActiveCubeFace = 0;\n\t\tlet _currentActiveMipmapLevel = 0;\n\t\tlet _currentRenderTarget = null;\n\t\tlet _currentMaterialId = - 1;\n\n\t\tlet _currentCamera = null;\n\n\t\tconst _currentViewport = new Vector4();\n\t\tconst _currentScissor = new Vector4();\n\t\tlet _currentScissorTest = null;\n\n\t\tconst _currentClearColor = new Color( 0x000000 );\n\t\tlet _currentClearAlpha = 0;\n\n\t\t//\n\n\t\tlet _width = canvas.width;\n\t\tlet _height = canvas.height;\n\n\t\tlet _pixelRatio = 1;\n\t\tlet _opaqueSort = null;\n\t\tlet _transparentSort = null;\n\n\t\tconst _viewport = new Vector4( 0, 0, _width, _height );\n\t\tconst _scissor = new Vector4( 0, 0, _width, _height );\n\t\tlet _scissorTest = false;\n\n\t\t// frustum\n\n\t\tconst _frustum = new Frustum();\n\n\t\t// clipping\n\n\t\tlet _clippingEnabled = false;\n\t\tlet _localClippingEnabled = false;\n\n\t\t// transmission render target scale\n\t\tthis.transmissionResolutionScale = 1.0;\n\n\t\t// camera matrices cache\n\n\t\tconst _currentProjectionMatrix = new Matrix4();\n\t\tconst _projScreenMatrix = new Matrix4();\n\n\t\tconst _vector3 = new Vector3();\n\n\t\tconst _vector4 = new Vector4();\n\n\t\tconst _emptyScene = { background: null, fog: null, environment: null, overrideMaterial: null, isScene: true };\n\n\t\tlet _renderBackground = false;\n\n\t\tfunction getTargetPixelRatio() {\n\n\t\t\treturn _currentRenderTarget === null ? _pixelRatio : 1;\n\n\t\t}\n\n\t\t// initialize\n\n\t\tlet _gl = context;\n\n\t\tfunction getContext( contextName, contextAttributes ) {\n\n\t\t\treturn canvas.getContext( contextName, contextAttributes );\n\n\t\t}\n\n\t\ttry {\n\n\t\t\tconst contextAttributes = {\n\t\t\t\talpha: true,\n\t\t\t\tdepth,\n\t\t\t\tstencil,\n\t\t\t\tantialias,\n\t\t\t\tpremultipliedAlpha,\n\t\t\t\tpreserveDrawingBuffer,\n\t\t\t\tpowerPreference,\n\t\t\t\tfailIfMajorPerformanceCaveat,\n\t\t\t};\n\n\t\t\t// OffscreenCanvas does not have setAttribute, see #22811\n\t\t\tif ( 'setAttribute' in canvas ) canvas.setAttribute( 'data-engine', `three.js r${REVISION}` );\n\n\t\t\t// event listeners must be registered before WebGL context is created, see #12753\n\t\t\tcanvas.addEventListener( 'webglcontextlost', onContextLost, false );\n\t\t\tcanvas.addEventListener( 'webglcontextrestored', onContextRestore, false );\n\t\t\tcanvas.addEventListener( 'webglcontextcreationerror', onContextCreationError, false );\n\n\t\t\tif ( _gl === null ) {\n\n\t\t\t\tconst contextName = 'webgl2';\n\n\t\t\t\t_gl = getContext( contextName, contextAttributes );\n\n\t\t\t\tif ( _gl === null ) {\n\n\t\t\t\t\tif ( getContext( contextName ) ) {\n\n\t\t\t\t\t\tthrow new Error( 'Error creating WebGL context with your selected attributes.' );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthrow new Error( 'Error creating WebGL context.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLRenderer: ' + error.message );\n\t\t\tthrow error;\n\n\t\t}\n\n\t\tlet extensions, capabilities, state, info;\n\t\tlet properties, textures, cubemaps, cubeuvmaps, attributes, geometries, objects;\n\t\tlet programCache, materials, renderLists, renderStates, clipping, shadowMap;\n\n\t\tlet background, morphtargets, bufferRenderer, indexedBufferRenderer;\n\n\t\tlet utils, bindingStates, uniformsGroups;\n\n\t\tfunction initGLContext() {\n\n\t\t\textensions = new WebGLExtensions( _gl );\n\t\t\textensions.init();\n\n\t\t\tutils = new WebGLUtils( _gl, extensions );\n\n\t\t\tcapabilities = new WebGLCapabilities( _gl, extensions, parameters, utils );\n\n\t\t\tstate = new WebGLState( _gl, extensions );\n\n\t\t\tif ( capabilities.reverseDepthBuffer && reverseDepthBuffer ) {\n\n\t\t\t\tstate.buffers.depth.setReversed( true );\n\n\t\t\t}\n\n\t\t\tinfo = new WebGLInfo( _gl );\n\t\t\tproperties = new WebGLProperties();\n\t\t\ttextures = new WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info );\n\t\t\tcubemaps = new WebGLCubeMaps( _this );\n\t\t\tcubeuvmaps = new WebGLCubeUVMaps( _this );\n\t\t\tattributes = new WebGLAttributes( _gl );\n\t\t\tbindingStates = new WebGLBindingStates( _gl, attributes );\n\t\t\tgeometries = new WebGLGeometries( _gl, attributes, info, bindingStates );\n\t\t\tobjects = new WebGLObjects( _gl, geometries, attributes, info );\n\t\t\tmorphtargets = new WebGLMorphtargets( _gl, capabilities, textures );\n\t\t\tclipping = new WebGLClipping( properties );\n\t\t\tprogramCache = new WebGLPrograms( _this, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping );\n\t\t\tmaterials = new WebGLMaterials( _this, properties );\n\t\t\trenderLists = new WebGLRenderLists();\n\t\t\trenderStates = new WebGLRenderStates( extensions );\n\t\t\tbackground = new WebGLBackground( _this, cubemaps, cubeuvmaps, state, objects, _alpha, premultipliedAlpha );\n\t\t\tshadowMap = new WebGLShadowMap( _this, objects, capabilities );\n\t\t\tuniformsGroups = new WebGLUniformsGroups( _gl, info, capabilities, state );\n\n\t\t\tbufferRenderer = new WebGLBufferRenderer( _gl, extensions, info );\n\t\t\tindexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, info );\n\n\t\t\tinfo.programs = programCache.programs;\n\n\t\t\t_this.capabilities = capabilities;\n\t\t\t_this.extensions = extensions;\n\t\t\t_this.properties = properties;\n\t\t\t_this.renderLists = renderLists;\n\t\t\t_this.shadowMap = shadowMap;\n\t\t\t_this.state = state;\n\t\t\t_this.info = info;\n\n\t\t}\n\n\t\tinitGLContext();\n\n\t\t// xr\n\n\t\tconst xr = new WebXRManager( _this, _gl );\n\n\t\tthis.xr = xr;\n\n\t\t// API\n\n\t\tthis.getContext = function () {\n\n\t\t\treturn _gl;\n\n\t\t};\n\n\t\tthis.getContextAttributes = function () {\n\n\t\t\treturn _gl.getContextAttributes();\n\n\t\t};\n\n\t\tthis.forceContextLoss = function () {\n\n\t\t\tconst extension = extensions.get( 'WEBGL_lose_context' );\n\t\t\tif ( extension ) extension.loseContext();\n\n\t\t};\n\n\t\tthis.forceContextRestore = function () {\n\n\t\t\tconst extension = extensions.get( 'WEBGL_lose_context' );\n\t\t\tif ( extension ) extension.restoreContext();\n\n\t\t};\n\n\t\tthis.getPixelRatio = function () {\n\n\t\t\treturn _pixelRatio;\n\n\t\t};\n\n\t\tthis.setPixelRatio = function ( value ) {\n\n\t\t\tif ( value === undefined ) return;\n\n\t\t\t_pixelRatio = value;\n\n\t\t\tthis.setSize( _width, _height, false );\n\n\t\t};\n\n\t\tthis.getSize = function ( target ) {\n\n\t\t\treturn target.set( _width, _height );\n\n\t\t};\n\n\t\tthis.setSize = function ( width, height, updateStyle = true ) {\n\n\t\t\tif ( xr.isPresenting ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Can\\'t change size while VR device is presenting.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\t_width = width;\n\t\t\t_height = height;\n\n\t\t\tcanvas.width = Math.floor( width * _pixelRatio );\n\t\t\tcanvas.height = Math.floor( height * _pixelRatio );\n\n\t\t\tif ( updateStyle === true ) {\n\n\t\t\t\tcanvas.style.width = width + 'px';\n\t\t\t\tcanvas.style.height = height + 'px';\n\n\t\t\t}\n\n\t\t\tthis.setViewport( 0, 0, width, height );\n\n\t\t};\n\n\t\tthis.getDrawingBufferSize = function ( target ) {\n\n\t\t\treturn target.set( _width * _pixelRatio, _height * _pixelRatio ).floor();\n\n\t\t};\n\n\t\tthis.setDrawingBufferSize = function ( width, height, pixelRatio ) {\n\n\t\t\t_width = width;\n\t\t\t_height = height;\n\n\t\t\t_pixelRatio = pixelRatio;\n\n\t\t\tcanvas.width = Math.floor( width * pixelRatio );\n\t\t\tcanvas.height = Math.floor( height * pixelRatio );\n\n\t\t\tthis.setViewport( 0, 0, width, height );\n\n\t\t};\n\n\t\tthis.getCurrentViewport = function ( target ) {\n\n\t\t\treturn target.copy( _currentViewport );\n\n\t\t};\n\n\t\tthis.getViewport = function ( target ) {\n\n\t\t\treturn target.copy( _viewport );\n\n\t\t};\n\n\t\tthis.setViewport = function ( x, y, width, height ) {\n\n\t\t\tif ( x.isVector4 ) {\n\n\t\t\t\t_viewport.set( x.x, x.y, x.z, x.w );\n\n\t\t\t} else {\n\n\t\t\t\t_viewport.set( x, y, width, height );\n\n\t\t\t}\n\n\t\t\tstate.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).round() );\n\n\t\t};\n\n\t\tthis.getScissor = function ( target ) {\n\n\t\t\treturn target.copy( _scissor );\n\n\t\t};\n\n\t\tthis.setScissor = function ( x, y, width, height ) {\n\n\t\t\tif ( x.isVector4 ) {\n\n\t\t\t\t_scissor.set( x.x, x.y, x.z, x.w );\n\n\t\t\t} else {\n\n\t\t\t\t_scissor.set( x, y, width, height );\n\n\t\t\t}\n\n\t\t\tstate.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).round() );\n\n\t\t};\n\n\t\tthis.getScissorTest = function () {\n\n\t\t\treturn _scissorTest;\n\n\t\t};\n\n\t\tthis.setScissorTest = function ( boolean ) {\n\n\t\t\tstate.setScissorTest( _scissorTest = boolean );\n\n\t\t};\n\n\t\tthis.setOpaqueSort = function ( method ) {\n\n\t\t\t_opaqueSort = method;\n\n\t\t};\n\n\t\tthis.setTransparentSort = function ( method ) {\n\n\t\t\t_transparentSort = method;\n\n\t\t};\n\n\t\t// Clearing\n\n\t\tthis.getClearColor = function ( target ) {\n\n\t\t\treturn target.copy( background.getClearColor() );\n\n\t\t};\n\n\t\tthis.setClearColor = function () {\n\n\t\t\tbackground.setClearColor.apply( background, arguments );\n\n\t\t};\n\n\t\tthis.getClearAlpha = function () {\n\n\t\t\treturn background.getClearAlpha();\n\n\t\t};\n\n\t\tthis.setClearAlpha = function () {\n\n\t\t\tbackground.setClearAlpha.apply( background, arguments );\n\n\t\t};\n\n\t\tthis.clear = function ( color = true, depth = true, stencil = true ) {\n\n\t\t\tlet bits = 0;\n\n\t\t\tif ( color ) {\n\n\t\t\t\t// check if we're trying to clear an integer target\n\t\t\t\tlet isIntegerFormat = false;\n\t\t\t\tif ( _currentRenderTarget !== null ) {\n\n\t\t\t\t\tconst targetFormat = _currentRenderTarget.texture.format;\n\t\t\t\t\tisIntegerFormat = targetFormat === RGBAIntegerFormat ||\n\t\t\t\t\t\ttargetFormat === RGIntegerFormat ||\n\t\t\t\t\t\ttargetFormat === RedIntegerFormat;\n\n\t\t\t\t}\n\n\t\t\t\t// use the appropriate clear functions to clear the target if it's a signed\n\t\t\t\t// or unsigned integer target\n\t\t\t\tif ( isIntegerFormat ) {\n\n\t\t\t\t\tconst targetType = _currentRenderTarget.texture.type;\n\t\t\t\t\tconst isUnsignedType = targetType === UnsignedByteType ||\n\t\t\t\t\t\ttargetType === UnsignedIntType ||\n\t\t\t\t\t\ttargetType === UnsignedShortType ||\n\t\t\t\t\t\ttargetType === UnsignedInt248Type ||\n\t\t\t\t\t\ttargetType === UnsignedShort4444Type ||\n\t\t\t\t\t\ttargetType === UnsignedShort5551Type;\n\n\t\t\t\t\tconst clearColor = background.getClearColor();\n\t\t\t\t\tconst a = background.getClearAlpha();\n\t\t\t\t\tconst r = clearColor.r;\n\t\t\t\t\tconst g = clearColor.g;\n\t\t\t\t\tconst b = clearColor.b;\n\n\t\t\t\t\tif ( isUnsignedType ) {\n\n\t\t\t\t\t\tuintClearColor[ 0 ] = r;\n\t\t\t\t\t\tuintClearColor[ 1 ] = g;\n\t\t\t\t\t\tuintClearColor[ 2 ] = b;\n\t\t\t\t\t\tuintClearColor[ 3 ] = a;\n\t\t\t\t\t\t_gl.clearBufferuiv( _gl.COLOR, 0, uintClearColor );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tintClearColor[ 0 ] = r;\n\t\t\t\t\t\tintClearColor[ 1 ] = g;\n\t\t\t\t\t\tintClearColor[ 2 ] = b;\n\t\t\t\t\t\tintClearColor[ 3 ] = a;\n\t\t\t\t\t\t_gl.clearBufferiv( _gl.COLOR, 0, intClearColor );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbits |= _gl.COLOR_BUFFER_BIT;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( depth ) {\n\n\t\t\t\tbits |= _gl.DEPTH_BUFFER_BIT;\n\n\t\t\t}\n\n\t\t\tif ( stencil ) {\n\n\t\t\t\tbits |= _gl.STENCIL_BUFFER_BIT;\n\t\t\t\tthis.state.buffers.stencil.setMask( 0xffffffff );\n\n\t\t\t}\n\n\t\t\t_gl.clear( bits );\n\n\t\t};\n\n\t\tthis.clearColor = function () {\n\n\t\t\tthis.clear( true, false, false );\n\n\t\t};\n\n\t\tthis.clearDepth = function () {\n\n\t\t\tthis.clear( false, true, false );\n\n\t\t};\n\n\t\tthis.clearStencil = function () {\n\n\t\t\tthis.clear( false, false, true );\n\n\t\t};\n\n\t\t//\n\n\t\tthis.dispose = function () {\n\n\t\t\tcanvas.removeEventListener( 'webglcontextlost', onContextLost, false );\n\t\t\tcanvas.removeEventListener( 'webglcontextrestored', onContextRestore, false );\n\t\t\tcanvas.removeEventListener( 'webglcontextcreationerror', onContextCreationError, false );\n\n\t\t\tbackground.dispose();\n\t\t\trenderLists.dispose();\n\t\t\trenderStates.dispose();\n\t\t\tproperties.dispose();\n\t\t\tcubemaps.dispose();\n\t\t\tcubeuvmaps.dispose();\n\t\t\tobjects.dispose();\n\t\t\tbindingStates.dispose();\n\t\t\tuniformsGroups.dispose();\n\t\t\tprogramCache.dispose();\n\n\t\t\txr.dispose();\n\n\t\t\txr.removeEventListener( 'sessionstart', onXRSessionStart );\n\t\t\txr.removeEventListener( 'sessionend', onXRSessionEnd );\n\n\t\t\tanimation.stop();\n\n\t\t};\n\n\t\t// Events\n\n\t\tfunction onContextLost( event ) {\n\n\t\t\tevent.preventDefault();\n\n\t\t\tconsole.log( 'THREE.WebGLRenderer: Context Lost.' );\n\n\t\t\t_isContextLost = true;\n\n\t\t}\n\n\t\tfunction onContextRestore( /* event */ ) {\n\n\t\t\tconsole.log( 'THREE.WebGLRenderer: Context Restored.' );\n\n\t\t\t_isContextLost = false;\n\n\t\t\tconst infoAutoReset = info.autoReset;\n\t\t\tconst shadowMapEnabled = shadowMap.enabled;\n\t\t\tconst shadowMapAutoUpdate = shadowMap.autoUpdate;\n\t\t\tconst shadowMapNeedsUpdate = shadowMap.needsUpdate;\n\t\t\tconst shadowMapType = shadowMap.type;\n\n\t\t\tinitGLContext();\n\n\t\t\tinfo.autoReset = infoAutoReset;\n\t\t\tshadowMap.enabled = shadowMapEnabled;\n\t\t\tshadowMap.autoUpdate = shadowMapAutoUpdate;\n\t\t\tshadowMap.needsUpdate = shadowMapNeedsUpdate;\n\t\t\tshadowMap.type = shadowMapType;\n\n\t\t}\n\n\t\tfunction onContextCreationError( event ) {\n\n\t\t\tconsole.error( 'THREE.WebGLRenderer: A WebGL context could not be created. Reason: ', event.statusMessage );\n\n\t\t}\n\n\t\tfunction onMaterialDispose( event ) {\n\n\t\t\tconst material = event.target;\n\n\t\t\tmaterial.removeEventListener( 'dispose', onMaterialDispose );\n\n\t\t\tdeallocateMaterial( material );\n\n\t\t}\n\n\t\t// Buffer deallocation\n\n\t\tfunction deallocateMaterial( material ) {\n\n\t\t\treleaseMaterialProgramReferences( material );\n\n\t\t\tproperties.remove( material );\n\n\t\t}\n\n\n\t\tfunction releaseMaterialProgramReferences( material ) {\n\n\t\t\tconst programs = properties.get( material ).programs;\n\n\t\t\tif ( programs !== undefined ) {\n\n\t\t\t\tprograms.forEach( function ( program ) {\n\n\t\t\t\t\tprogramCache.releaseProgram( program );\n\n\t\t\t\t} );\n\n\t\t\t\tif ( material.isShaderMaterial ) {\n\n\t\t\t\t\tprogramCache.releaseShaderCache( material );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Buffer rendering\n\n\t\tthis.renderBufferDirect = function ( camera, scene, geometry, material, object, group ) {\n\n\t\t\tif ( scene === null ) scene = _emptyScene; // renderBufferDirect second parameter used to be fog (could be null)\n\n\t\t\tconst frontFaceCW = ( object.isMesh && object.matrixWorld.determinant() < 0 );\n\n\t\t\tconst program = setProgram( camera, scene, geometry, material, object );\n\n\t\t\tstate.setMaterial( material, frontFaceCW );\n\n\t\t\t//\n\n\t\t\tlet index = geometry.index;\n\t\t\tlet rangeFactor = 1;\n\n\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\tindex = geometries.getWireframeAttribute( geometry );\n\n\t\t\t\tif ( index === undefined ) return;\n\n\t\t\t\trangeFactor = 2;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tconst drawRange = geometry.drawRange;\n\t\t\tconst position = geometry.attributes.position;\n\n\t\t\tlet drawStart = drawRange.start * rangeFactor;\n\t\t\tlet drawEnd = ( drawRange.start + drawRange.count ) * rangeFactor;\n\n\t\t\tif ( group !== null ) {\n\n\t\t\t\tdrawStart = Math.max( drawStart, group.start * rangeFactor );\n\t\t\t\tdrawEnd = Math.min( drawEnd, ( group.start + group.count ) * rangeFactor );\n\n\t\t\t}\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tdrawStart = Math.max( drawStart, 0 );\n\t\t\t\tdrawEnd = Math.min( drawEnd, index.count );\n\n\t\t\t} else if ( position !== undefined && position !== null ) {\n\n\t\t\t\tdrawStart = Math.max( drawStart, 0 );\n\t\t\t\tdrawEnd = Math.min( drawEnd, position.count );\n\n\t\t\t}\n\n\t\t\tconst drawCount = drawEnd - drawStart;\n\n\t\t\tif ( drawCount < 0 || drawCount === Infinity ) return;\n\n\t\t\t//\n\n\t\t\tbindingStates.setup( object, material, program, geometry, index );\n\n\t\t\tlet attribute;\n\t\t\tlet renderer = bufferRenderer;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tattribute = attributes.get( index );\n\n\t\t\t\trenderer = indexedBufferRenderer;\n\t\t\t\trenderer.setIndex( attribute );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( object.isMesh ) {\n\n\t\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\t\tstate.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() );\n\t\t\t\t\trenderer.setMode( _gl.LINES );\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderer.setMode( _gl.TRIANGLES );\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isLine ) {\n\n\t\t\t\tlet lineWidth = material.linewidth;\n\n\t\t\t\tif ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material\n\n\t\t\t\tstate.setLineWidth( lineWidth * getTargetPixelRatio() );\n\n\t\t\t\tif ( object.isLineSegments ) {\n\n\t\t\t\t\trenderer.setMode( _gl.LINES );\n\n\t\t\t\t} else if ( object.isLineLoop ) {\n\n\t\t\t\t\trenderer.setMode( _gl.LINE_LOOP );\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderer.setMode( _gl.LINE_STRIP );\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isPoints ) {\n\n\t\t\t\trenderer.setMode( _gl.POINTS );\n\n\t\t\t} else if ( object.isSprite ) {\n\n\t\t\t\trenderer.setMode( _gl.TRIANGLES );\n\n\t\t\t}\n\n\t\t\tif ( object.isBatchedMesh ) {\n\n\t\t\t\tif ( object._multiDrawInstances !== null ) {\n\n\t\t\t\t\trenderer.renderMultiDrawInstances( object._multiDrawStarts, object._multiDrawCounts, object._multiDrawCount, object._multiDrawInstances );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( ! extensions.get( 'WEBGL_multi_draw' ) ) {\n\n\t\t\t\t\t\tconst starts = object._multiDrawStarts;\n\t\t\t\t\t\tconst counts = object._multiDrawCounts;\n\t\t\t\t\t\tconst drawCount = object._multiDrawCount;\n\t\t\t\t\t\tconst bytesPerElement = index ? attributes.get( index ).bytesPerElement : 1;\n\t\t\t\t\t\tconst uniforms = properties.get( material ).currentProgram.getUniforms();\n\t\t\t\t\t\tfor ( let i = 0; i < drawCount; i ++ ) {\n\n\t\t\t\t\t\t\tuniforms.setValue( _gl, '_gl_DrawID', i );\n\t\t\t\t\t\t\trenderer.render( starts[ i ] / bytesPerElement, counts[ i ] );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\trenderer.renderMultiDraw( object._multiDrawStarts, object._multiDrawCounts, object._multiDrawCount );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isInstancedMesh ) {\n\n\t\t\t\trenderer.renderInstances( drawStart, drawCount, object.count );\n\n\t\t\t} else if ( geometry.isInstancedBufferGeometry ) {\n\n\t\t\t\tconst maxInstanceCount = geometry._maxInstanceCount !== undefined ? geometry._maxInstanceCount : Infinity;\n\t\t\t\tconst instanceCount = Math.min( geometry.instanceCount, maxInstanceCount );\n\n\t\t\t\trenderer.renderInstances( drawStart, drawCount, instanceCount );\n\n\t\t\t} else {\n\n\t\t\t\trenderer.render( drawStart, drawCount );\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Compile\n\n\t\tfunction prepareMaterial( material, scene, object ) {\n\n\t\t\tif ( material.transparent === true && material.side === DoubleSide && material.forceSinglePass === false ) {\n\n\t\t\t\tmaterial.side = BackSide;\n\t\t\t\tmaterial.needsUpdate = true;\n\t\t\t\tgetProgram( material, scene, object );\n\n\t\t\t\tmaterial.side = FrontSide;\n\t\t\t\tmaterial.needsUpdate = true;\n\t\t\t\tgetProgram( material, scene, object );\n\n\t\t\t\tmaterial.side = DoubleSide;\n\n\t\t\t} else {\n\n\t\t\t\tgetProgram( material, scene, object );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.compile = function ( scene, camera, targetScene = null ) {\n\n\t\t\tif ( targetScene === null ) targetScene = scene;\n\n\t\t\tcurrentRenderState = renderStates.get( targetScene );\n\t\t\tcurrentRenderState.init( camera );\n\n\t\t\trenderStateStack.push( currentRenderState );\n\n\t\t\t// gather lights from both the target scene and the new object that will be added to the scene.\n\n\t\t\ttargetScene.traverseVisible( function ( object ) {\n\n\t\t\t\tif ( object.isLight && object.layers.test( camera.layers ) ) {\n\n\t\t\t\t\tcurrentRenderState.pushLight( object );\n\n\t\t\t\t\tif ( object.castShadow ) {\n\n\t\t\t\t\t\tcurrentRenderState.pushShadow( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} );\n\n\t\t\tif ( scene !== targetScene ) {\n\n\t\t\t\tscene.traverseVisible( function ( object ) {\n\n\t\t\t\t\tif ( object.isLight && object.layers.test( camera.layers ) ) {\n\n\t\t\t\t\t\tcurrentRenderState.pushLight( object );\n\n\t\t\t\t\t\tif ( object.castShadow ) {\n\n\t\t\t\t\t\t\tcurrentRenderState.pushShadow( object );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\tcurrentRenderState.setupLights();\n\n\t\t\t// Only initialize materials in the new scene, not the targetScene.\n\n\t\t\tconst materials = new Set();\n\n\t\t\tscene.traverse( function ( object ) {\n\n\t\t\t\tif ( ! ( object.isMesh || object.isPoints || object.isLine || object.isSprite ) ) {\n\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tconst material = object.material;\n\n\t\t\t\tif ( material ) {\n\n\t\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\t\tfor ( let i = 0; i < material.length; i ++ ) {\n\n\t\t\t\t\t\t\tconst material2 = material[ i ];\n\n\t\t\t\t\t\t\tprepareMaterial( material2, targetScene, object );\n\t\t\t\t\t\t\tmaterials.add( material2 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tprepareMaterial( material, targetScene, object );\n\t\t\t\t\t\tmaterials.add( material );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} );\n\n\t\t\trenderStateStack.pop();\n\t\t\tcurrentRenderState = null;\n\n\t\t\treturn materials;\n\n\t\t};\n\n\t\t// compileAsync\n\n\t\tthis.compileAsync = function ( scene, camera, targetScene = null ) {\n\n\t\t\tconst materials = this.compile( scene, camera, targetScene );\n\n\t\t\t// Wait for all the materials in the new object to indicate that they're\n\t\t\t// ready to be used before resolving the promise.\n\n\t\t\treturn new Promise( ( resolve ) => {\n\n\t\t\t\tfunction checkMaterialsReady() {\n\n\t\t\t\t\tmaterials.forEach( function ( material ) {\n\n\t\t\t\t\t\tconst materialProperties = properties.get( material );\n\t\t\t\t\t\tconst program = materialProperties.currentProgram;\n\n\t\t\t\t\t\tif ( program.isReady() ) {\n\n\t\t\t\t\t\t\t// remove any programs that report they're ready to use from the list\n\t\t\t\t\t\t\tmaterials.delete( material );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} );\n\n\t\t\t\t\t// once the list of compiling materials is empty, call the callback\n\n\t\t\t\t\tif ( materials.size === 0 ) {\n\n\t\t\t\t\t\tresolve( scene );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// if some materials are still not ready, wait a bit and check again\n\n\t\t\t\t\tsetTimeout( checkMaterialsReady, 10 );\n\n\t\t\t\t}\n\n\t\t\t\tif ( extensions.get( 'KHR_parallel_shader_compile' ) !== null ) {\n\n\t\t\t\t\t// If we can check the compilation status of the materials without\n\t\t\t\t\t// blocking then do so right away.\n\n\t\t\t\t\tcheckMaterialsReady();\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Otherwise start by waiting a bit to give the materials we just\n\t\t\t\t\t// initialized a chance to finish.\n\n\t\t\t\t\tsetTimeout( checkMaterialsReady, 10 );\n\n\t\t\t\t}\n\n\t\t\t} );\n\n\t\t};\n\n\t\t// Animation Loop\n\n\t\tlet onAnimationFrameCallback = null;\n\n\t\tfunction onAnimationFrame( time ) {\n\n\t\t\tif ( onAnimationFrameCallback ) onAnimationFrameCallback( time );\n\n\t\t}\n\n\t\tfunction onXRSessionStart() {\n\n\t\t\tanimation.stop();\n\n\t\t}\n\n\t\tfunction onXRSessionEnd() {\n\n\t\t\tanimation.start();\n\n\t\t}\n\n\t\tconst animation = new WebGLAnimation();\n\t\tanimation.setAnimationLoop( onAnimationFrame );\n\n\t\tif ( typeof self !== 'undefined' ) animation.setContext( self );\n\n\t\tthis.setAnimationLoop = function ( callback ) {\n\n\t\t\tonAnimationFrameCallback = callback;\n\t\t\txr.setAnimationLoop( callback );\n\n\t\t\t( callback === null ) ? animation.stop() : animation.start();\n\n\t\t};\n\n\t\txr.addEventListener( 'sessionstart', onXRSessionStart );\n\t\txr.addEventListener( 'sessionend', onXRSessionEnd );\n\n\t\t// Rendering\n\n\t\tthis.render = function ( scene, camera ) {\n\n\t\t\tif ( camera !== undefined && camera.isCamera !== true ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( _isContextLost === true ) return;\n\n\t\t\t// update scene graph\n\n\t\t\tif ( scene.matrixWorldAutoUpdate === true ) scene.updateMatrixWorld();\n\n\t\t\t// update camera matrices and frustum\n\n\t\t\tif ( camera.parent === null && camera.matrixWorldAutoUpdate === true ) camera.updateMatrixWorld();\n\n\t\t\tif ( xr.enabled === true && xr.isPresenting === true ) {\n\n\t\t\t\tif ( xr.cameraAutoUpdate === true ) xr.updateCamera( camera );\n\n\t\t\t\tcamera = xr.getCamera(); // use XR camera for rendering\n\n\t\t\t}\n\n\t\t\t//\n\t\t\tif ( scene.isScene === true ) scene.onBeforeRender( _this, scene, camera, _currentRenderTarget );\n\n\t\t\tcurrentRenderState = renderStates.get( scene, renderStateStack.length );\n\t\t\tcurrentRenderState.init( camera );\n\n\t\t\trenderStateStack.push( currentRenderState );\n\n\t\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\t\t_frustum.setFromProjectionMatrix( _projScreenMatrix );\n\n\t\t\t_localClippingEnabled = this.localClippingEnabled;\n\t\t\t_clippingEnabled = clipping.init( this.clippingPlanes, _localClippingEnabled );\n\n\t\t\tcurrentRenderList = renderLists.get( scene, renderListStack.length );\n\t\t\tcurrentRenderList.init();\n\n\t\t\trenderListStack.push( currentRenderList );\n\n\t\t\tif ( xr.enabled === true && xr.isPresenting === true ) {\n\n\t\t\t\tconst depthSensingMesh = _this.xr.getDepthSensingMesh();\n\n\t\t\t\tif ( depthSensingMesh !== null ) {\n\n\t\t\t\t\tprojectObject( depthSensingMesh, camera, - Infinity, _this.sortObjects );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tprojectObject( scene, camera, 0, _this.sortObjects );\n\n\t\t\tcurrentRenderList.finish();\n\n\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\tcurrentRenderList.sort( _opaqueSort, _transparentSort );\n\n\t\t\t}\n\n\t\t\t_renderBackground = xr.enabled === false || xr.isPresenting === false || xr.hasDepthSensing() === false;\n\t\t\tif ( _renderBackground ) {\n\n\t\t\t\tbackground.addToRenderList( currentRenderList, scene );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tthis.info.render.frame ++;\n\n\t\t\tif ( _clippingEnabled === true ) clipping.beginShadows();\n\n\t\t\tconst shadowsArray = currentRenderState.state.shadowsArray;\n\n\t\t\tshadowMap.render( shadowsArray, scene, camera );\n\n\t\t\tif ( _clippingEnabled === true ) clipping.endShadows();\n\n\t\t\t//\n\n\t\t\tif ( this.info.autoReset === true ) this.info.reset();\n\n\t\t\t// render scene\n\n\t\t\tconst opaqueObjects = currentRenderList.opaque;\n\t\t\tconst transmissiveObjects = currentRenderList.transmissive;\n\n\t\t\tcurrentRenderState.setupLights();\n\n\t\t\tif ( camera.isArrayCamera ) {\n\n\t\t\t\tconst cameras = camera.cameras;\n\n\t\t\t\tif ( transmissiveObjects.length > 0 ) {\n\n\t\t\t\t\tfor ( let i = 0, l = cameras.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tconst camera2 = cameras[ i ];\n\n\t\t\t\t\t\trenderTransmissionPass( opaqueObjects, transmissiveObjects, scene, camera2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( _renderBackground ) background.render( scene );\n\n\t\t\t\tfor ( let i = 0, l = cameras.length; i < l; i ++ ) {\n\n\t\t\t\t\tconst camera2 = cameras[ i ];\n\n\t\t\t\t\trenderScene( currentRenderList, scene, camera2, camera2.viewport );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( transmissiveObjects.length > 0 ) renderTransmissionPass( opaqueObjects, transmissiveObjects, scene, camera );\n\n\t\t\t\tif ( _renderBackground ) background.render( scene );\n\n\t\t\t\trenderScene( currentRenderList, scene, camera );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( _currentRenderTarget !== null && _currentActiveMipmapLevel === 0 ) {\n\n\t\t\t\t// resolve multisample renderbuffers to a single-sample texture if necessary\n\n\t\t\t\ttextures.updateMultisampleRenderTarget( _currentRenderTarget );\n\n\t\t\t\t// Generate mipmap if we're using any kind of mipmap filtering\n\n\t\t\t\ttextures.updateRenderTargetMipmap( _currentRenderTarget );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( scene.isScene === true ) scene.onAfterRender( _this, scene, camera );\n\n\t\t\t// _gl.finish();\n\n\t\t\tbindingStates.resetDefaultState();\n\t\t\t_currentMaterialId = - 1;\n\t\t\t_currentCamera = null;\n\n\t\t\trenderStateStack.pop();\n\n\t\t\tif ( renderStateStack.length > 0 ) {\n\n\t\t\t\tcurrentRenderState = renderStateStack[ renderStateStack.length - 1 ];\n\n\t\t\t\tif ( _clippingEnabled === true ) clipping.setGlobalState( _this.clippingPlanes, currentRenderState.state.camera );\n\n\t\t\t} else {\n\n\t\t\t\tcurrentRenderState = null;\n\n\t\t\t}\n\n\t\t\trenderListStack.pop();\n\n\t\t\tif ( renderListStack.length > 0 ) {\n\n\t\t\t\tcurrentRenderList = renderListStack[ renderListStack.length - 1 ];\n\n\t\t\t} else {\n\n\t\t\t\tcurrentRenderList = null;\n\n\t\t\t}\n\n\t\t};\n\n\t\tfunction projectObject( object, camera, groupOrder, sortObjects ) {\n\n\t\t\tif ( object.visible === false ) return;\n\n\t\t\tconst visible = object.layers.test( camera.layers );\n\n\t\t\tif ( visible ) {\n\n\t\t\t\tif ( object.isGroup ) {\n\n\t\t\t\t\tgroupOrder = object.renderOrder;\n\n\t\t\t\t} else if ( object.isLOD ) {\n\n\t\t\t\t\tif ( object.autoUpdate === true ) object.update( camera );\n\n\t\t\t\t} else if ( object.isLight ) {\n\n\t\t\t\t\tcurrentRenderState.pushLight( object );\n\n\t\t\t\t\tif ( object.castShadow ) {\n\n\t\t\t\t\t\tcurrentRenderState.pushShadow( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( object.isSprite ) {\n\n\t\t\t\t\tif ( ! object.frustumCulled || _frustum.intersectsSprite( object ) ) {\n\n\t\t\t\t\t\tif ( sortObjects ) {\n\n\t\t\t\t\t\t\t_vector4.setFromMatrixPosition( object.matrixWorld )\n\t\t\t\t\t\t\t\t.applyMatrix4( _projScreenMatrix );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tconst geometry = objects.update( object );\n\t\t\t\t\t\tconst material = object.material;\n\n\t\t\t\t\t\tif ( material.visible ) {\n\n\t\t\t\t\t\t\tcurrentRenderList.push( object, geometry, material, groupOrder, _vector4.z, null );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( object.isMesh || object.isLine || object.isPoints ) {\n\n\t\t\t\t\tif ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) {\n\n\t\t\t\t\t\tconst geometry = objects.update( object );\n\t\t\t\t\t\tconst material = object.material;\n\n\t\t\t\t\t\tif ( sortObjects ) {\n\n\t\t\t\t\t\t\tif ( object.boundingSphere !== undefined ) {\n\n\t\t\t\t\t\t\t\tif ( object.boundingSphere === null ) object.computeBoundingSphere();\n\t\t\t\t\t\t\t\t_vector4.copy( object.boundingSphere.center );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\t\t\t\t\t\t\t\t_vector4.copy( geometry.boundingSphere.center );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t_vector4\n\t\t\t\t\t\t\t\t.applyMatrix4( object.matrixWorld )\n\t\t\t\t\t\t\t\t.applyMatrix4( _projScreenMatrix );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\t\t\tconst groups = geometry.groups;\n\n\t\t\t\t\t\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\t\t\tif ( groupMaterial && groupMaterial.visible ) {\n\n\t\t\t\t\t\t\t\t\tcurrentRenderList.push( object, geometry, groupMaterial, groupOrder, _vector4.z, group );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else if ( material.visible ) {\n\n\t\t\t\t\t\t\tcurrentRenderList.push( object, geometry, material, groupOrder, _vector4.z, null );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst children = object.children;\n\n\t\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tprojectObject( children[ i ], camera, groupOrder, sortObjects );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction renderScene( currentRenderList, scene, camera, viewport ) {\n\n\t\t\tconst opaqueObjects = currentRenderList.opaque;\n\t\t\tconst transmissiveObjects = currentRenderList.transmissive;\n\t\t\tconst transparentObjects = currentRenderList.transparent;\n\n\t\t\tcurrentRenderState.setupLightsView( camera );\n\n\t\t\tif ( _clippingEnabled === true ) clipping.setGlobalState( _this.clippingPlanes, camera );\n\n\t\t\tif ( viewport ) state.viewport( _currentViewport.copy( viewport ) );\n\n\t\t\tif ( opaqueObjects.length > 0 ) renderObjects( opaqueObjects, scene, camera );\n\t\t\tif ( transmissiveObjects.length > 0 ) renderObjects( transmissiveObjects, scene, camera );\n\t\t\tif ( transparentObjects.length > 0 ) renderObjects( transparentObjects, scene, camera );\n\n\t\t\t// Ensure depth buffer writing is enabled so it can be cleared on next render\n\n\t\t\tstate.buffers.depth.setTest( true );\n\t\t\tstate.buffers.depth.setMask( true );\n\t\t\tstate.buffers.color.setMask( true );\n\n\t\t\tstate.setPolygonOffset( false );\n\n\t\t}\n\n\t\tfunction renderTransmissionPass( opaqueObjects, transmissiveObjects, scene, camera ) {\n\n\t\t\tconst overrideMaterial = scene.isScene === true ? scene.overrideMaterial : null;\n\n\t\t\tif ( overrideMaterial !== null ) {\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( currentRenderState.state.transmissionRenderTarget[ camera.id ] === undefined ) {\n\n\t\t\t\tcurrentRenderState.state.transmissionRenderTarget[ camera.id ] = new WebGLRenderTarget( 1, 1, {\n\t\t\t\t\tgenerateMipmaps: true,\n\t\t\t\t\ttype: ( extensions.has( 'EXT_color_buffer_half_float' ) || extensions.has( 'EXT_color_buffer_float' ) ) ? HalfFloatType : UnsignedByteType,\n\t\t\t\t\tminFilter: LinearMipmapLinearFilter,\n\t\t\t\t\tsamples: 4,\n\t\t\t\t\tstencilBuffer: stencil,\n\t\t\t\t\tresolveDepthBuffer: false,\n\t\t\t\t\tresolveStencilBuffer: false,\n\t\t\t\t\tcolorSpace: ColorManagement.workingColorSpace,\n\t\t\t\t} );\n\n\t\t\t\t// debug\n\n\t\t\t\t/*\n\t\t\t\tconst geometry = new PlaneGeometry();\n\t\t\t\tconst material = new MeshBasicMaterial( { map: _transmissionRenderTarget.texture } );\n\n\t\t\t\tconst mesh = new Mesh( geometry, material );\n\t\t\t\tscene.add( mesh );\n\t\t\t\t*/\n\n\t\t\t}\n\n\t\t\tconst transmissionRenderTarget = currentRenderState.state.transmissionRenderTarget[ camera.id ];\n\n\t\t\tconst activeViewport = camera.viewport || _currentViewport;\n\t\t\ttransmissionRenderTarget.setSize( activeViewport.z * _this.transmissionResolutionScale, activeViewport.w * _this.transmissionResolutionScale );\n\n\t\t\t//\n\n\t\t\tconst currentRenderTarget = _this.getRenderTarget();\n\t\t\t_this.setRenderTarget( transmissionRenderTarget );\n\n\t\t\t_this.getClearColor( _currentClearColor );\n\t\t\t_currentClearAlpha = _this.getClearAlpha();\n\t\t\tif ( _currentClearAlpha < 1 ) _this.setClearColor( 0xffffff, 0.5 );\n\n\t\t\t_this.clear();\n\n\t\t\tif ( _renderBackground ) background.render( scene );\n\n\t\t\t// Turn off the features which can affect the frag color for opaque objects pass.\n\t\t\t// Otherwise they are applied twice in opaque objects pass and transmission objects pass.\n\t\t\tconst currentToneMapping = _this.toneMapping;\n\t\t\t_this.toneMapping = NoToneMapping;\n\n\t\t\t// Remove viewport from camera to avoid nested render calls resetting viewport to it (e.g Reflector).\n\t\t\t// Transmission render pass requires viewport to match the transmissionRenderTarget.\n\t\t\tconst currentCameraViewport = camera.viewport;\n\t\t\tif ( camera.viewport !== undefined ) camera.viewport = undefined;\n\n\t\t\tcurrentRenderState.setupLightsView( camera );\n\n\t\t\tif ( _clippingEnabled === true ) clipping.setGlobalState( _this.clippingPlanes, camera );\n\n\t\t\trenderObjects( opaqueObjects, scene, camera );\n\n\t\t\ttextures.updateMultisampleRenderTarget( transmissionRenderTarget );\n\t\t\ttextures.updateRenderTargetMipmap( transmissionRenderTarget );\n\n\t\t\tif ( extensions.has( 'WEBGL_multisampled_render_to_texture' ) === false ) { // see #28131\n\n\t\t\t\tlet renderTargetNeedsUpdate = false;\n\n\t\t\t\tfor ( let i = 0, l = transmissiveObjects.length; i < l; i ++ ) {\n\n\t\t\t\t\tconst renderItem = transmissiveObjects[ i ];\n\n\t\t\t\t\tconst object = renderItem.object;\n\t\t\t\t\tconst geometry = renderItem.geometry;\n\t\t\t\t\tconst material = renderItem.material;\n\t\t\t\t\tconst group = renderItem.group;\n\n\t\t\t\t\tif ( material.side === DoubleSide && object.layers.test( camera.layers ) ) {\n\n\t\t\t\t\t\tconst currentSide = material.side;\n\n\t\t\t\t\t\tmaterial.side = BackSide;\n\t\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t\t\trenderObject( object, scene, camera, geometry, material, group );\n\n\t\t\t\t\t\tmaterial.side = currentSide;\n\t\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t\t\trenderTargetNeedsUpdate = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( renderTargetNeedsUpdate === true ) {\n\n\t\t\t\t\ttextures.updateMultisampleRenderTarget( transmissionRenderTarget );\n\t\t\t\t\ttextures.updateRenderTargetMipmap( transmissionRenderTarget );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_this.setRenderTarget( currentRenderTarget );\n\n\t\t\t_this.setClearColor( _currentClearColor, _currentClearAlpha );\n\n\t\t\tif ( currentCameraViewport !== undefined ) camera.viewport = currentCameraViewport;\n\n\t\t\t_this.toneMapping = currentToneMapping;\n\n\t\t}\n\n\t\tfunction renderObjects( renderList, scene, camera ) {\n\n\t\t\tconst overrideMaterial = scene.isScene === true ? scene.overrideMaterial : null;\n\n\t\t\tfor ( let i = 0, l = renderList.length; i < l; i ++ ) {\n\n\t\t\t\tconst renderItem = renderList[ i ];\n\n\t\t\t\tconst object = renderItem.object;\n\t\t\t\tconst geometry = renderItem.geometry;\n\t\t\t\tconst material = overrideMaterial === null ? renderItem.material : overrideMaterial;\n\t\t\t\tconst group = renderItem.group;\n\n\t\t\t\tif ( object.layers.test( camera.layers ) ) {\n\n\t\t\t\t\trenderObject( object, scene, camera, geometry, material, group );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction renderObject( object, scene, camera, geometry, material, group ) {\n\n\t\t\tobject.onBeforeRender( _this, scene, camera, geometry, material, group );\n\n\t\t\tobject.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld );\n\t\t\tobject.normalMatrix.getNormalMatrix( object.modelViewMatrix );\n\n\t\t\tmaterial.onBeforeRender( _this, scene, camera, geometry, object, group );\n\n\t\t\tif ( material.transparent === true && material.side === DoubleSide && material.forceSinglePass === false ) {\n\n\t\t\t\tmaterial.side = BackSide;\n\t\t\t\tmaterial.needsUpdate = true;\n\t\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t\t\tmaterial.side = FrontSide;\n\t\t\t\tmaterial.needsUpdate = true;\n\t\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t\t\tmaterial.side = DoubleSide;\n\n\t\t\t} else {\n\n\t\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t\t}\n\n\t\t\tobject.onAfterRender( _this, scene, camera, geometry, material, group );\n\n\t\t}\n\n\t\tfunction getProgram( material, scene, object ) {\n\n\t\t\tif ( scene.isScene !== true ) scene = _emptyScene; // scene could be a Mesh, Line, Points, ...\n\n\t\t\tconst materialProperties = properties.get( material );\n\n\t\t\tconst lights = currentRenderState.state.lights;\n\t\t\tconst shadowsArray = currentRenderState.state.shadowsArray;\n\n\t\t\tconst lightsStateVersion = lights.state.version;\n\n\t\t\tconst parameters = programCache.getParameters( material, lights.state, shadowsArray, scene, object );\n\t\t\tconst programCacheKey = programCache.getProgramCacheKey( parameters );\n\n\t\t\tlet programs = materialProperties.programs;\n\n\t\t\t// always update environment and fog - changing these trigger an getProgram call, but it's possible that the program doesn't change\n\n\t\t\tmaterialProperties.environment = material.isMeshStandardMaterial ? scene.environment : null;\n\t\t\tmaterialProperties.fog = scene.fog;\n\t\t\tmaterialProperties.envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || materialProperties.environment );\n\t\t\tmaterialProperties.envMapRotation = ( materialProperties.environment !== null && material.envMap === null ) ? scene.environmentRotation : material.envMapRotation;\n\n\t\t\tif ( programs === undefined ) {\n\n\t\t\t\t// new material\n\n\t\t\t\tmaterial.addEventListener( 'dispose', onMaterialDispose );\n\n\t\t\t\tprograms = new Map();\n\t\t\t\tmaterialProperties.programs = programs;\n\n\t\t\t}\n\n\t\t\tlet program = programs.get( programCacheKey );\n\n\t\t\tif ( program !== undefined ) {\n\n\t\t\t\t// early out if program and light state is identical\n\n\t\t\t\tif ( materialProperties.currentProgram === program && materialProperties.lightsStateVersion === lightsStateVersion ) {\n\n\t\t\t\t\tupdateCommonMaterialProperties( material, parameters );\n\n\t\t\t\t\treturn program;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tparameters.uniforms = programCache.getUniforms( material );\n\n\t\t\t\tmaterial.onBeforeCompile( parameters, _this );\n\n\t\t\t\tprogram = programCache.acquireProgram( parameters, programCacheKey );\n\t\t\t\tprograms.set( programCacheKey, program );\n\n\t\t\t\tmaterialProperties.uniforms = parameters.uniforms;\n\n\t\t\t}\n\n\t\t\tconst uniforms = materialProperties.uniforms;\n\n\t\t\tif ( ( ! material.isShaderMaterial && ! material.isRawShaderMaterial ) || material.clipping === true ) {\n\n\t\t\t\tuniforms.clippingPlanes = clipping.uniform;\n\n\t\t\t}\n\n\t\t\tupdateCommonMaterialProperties( material, parameters );\n\n\t\t\t// store the light setup it was created for\n\n\t\t\tmaterialProperties.needsLights = materialNeedsLights( material );\n\t\t\tmaterialProperties.lightsStateVersion = lightsStateVersion;\n\n\t\t\tif ( materialProperties.needsLights ) {\n\n\t\t\t\t// wire up the material to this renderer's lighting state\n\n\t\t\t\tuniforms.ambientLightColor.value = lights.state.ambient;\n\t\t\t\tuniforms.lightProbe.value = lights.state.probe;\n\t\t\t\tuniforms.directionalLights.value = lights.state.directional;\n\t\t\t\tuniforms.directionalLightShadows.value = lights.state.directionalShadow;\n\t\t\t\tuniforms.spotLights.value = lights.state.spot;\n\t\t\t\tuniforms.spotLightShadows.value = lights.state.spotShadow;\n\t\t\t\tuniforms.rectAreaLights.value = lights.state.rectArea;\n\t\t\t\tuniforms.ltc_1.value = lights.state.rectAreaLTC1;\n\t\t\t\tuniforms.ltc_2.value = lights.state.rectAreaLTC2;\n\t\t\t\tuniforms.pointLights.value = lights.state.point;\n\t\t\t\tuniforms.pointLightShadows.value = lights.state.pointShadow;\n\t\t\t\tuniforms.hemisphereLights.value = lights.state.hemi;\n\n\t\t\t\tuniforms.directionalShadowMap.value = lights.state.directionalShadowMap;\n\t\t\t\tuniforms.directionalShadowMatrix.value = lights.state.directionalShadowMatrix;\n\t\t\t\tuniforms.spotShadowMap.value = lights.state.spotShadowMap;\n\t\t\t\tuniforms.spotLightMatrix.value = lights.state.spotLightMatrix;\n\t\t\t\tuniforms.spotLightMap.value = lights.state.spotLightMap;\n\t\t\t\tuniforms.pointShadowMap.value = lights.state.pointShadowMap;\n\t\t\t\tuniforms.pointShadowMatrix.value = lights.state.pointShadowMatrix;\n\t\t\t\t// TODO (abelnation): add area lights shadow info to uniforms\n\n\t\t\t}\n\n\t\t\tmaterialProperties.currentProgram = program;\n\t\t\tmaterialProperties.uniformsList = null;\n\n\t\t\treturn program;\n\n\t\t}\n\n\t\tfunction getUniformList( materialProperties ) {\n\n\t\t\tif ( materialProperties.uniformsList === null ) {\n\n\t\t\t\tconst progUniforms = materialProperties.currentProgram.getUniforms();\n\t\t\t\tmaterialProperties.uniformsList = WebGLUniforms.seqWithValue( progUniforms.seq, materialProperties.uniforms );\n\n\t\t\t}\n\n\t\t\treturn materialProperties.uniformsList;\n\n\t\t}\n\n\t\tfunction updateCommonMaterialProperties( material, parameters ) {\n\n\t\t\tconst materialProperties = properties.get( material );\n\n\t\t\tmaterialProperties.outputColorSpace = parameters.outputColorSpace;\n\t\t\tmaterialProperties.batching = parameters.batching;\n\t\t\tmaterialProperties.batchingColor = parameters.batchingColor;\n\t\t\tmaterialProperties.instancing = parameters.instancing;\n\t\t\tmaterialProperties.instancingColor = parameters.instancingColor;\n\t\t\tmaterialProperties.instancingMorph = parameters.instancingMorph;\n\t\t\tmaterialProperties.skinning = parameters.skinning;\n\t\t\tmaterialProperties.morphTargets = parameters.morphTargets;\n\t\t\tmaterialProperties.morphNormals = parameters.morphNormals;\n\t\t\tmaterialProperties.morphColors = parameters.morphColors;\n\t\t\tmaterialProperties.morphTargetsCount = parameters.morphTargetsCount;\n\t\t\tmaterialProperties.numClippingPlanes = parameters.numClippingPlanes;\n\t\t\tmaterialProperties.numIntersection = parameters.numClipIntersection;\n\t\t\tmaterialProperties.vertexAlphas = parameters.vertexAlphas;\n\t\t\tmaterialProperties.vertexTangents = parameters.vertexTangents;\n\t\t\tmaterialProperties.toneMapping = parameters.toneMapping;\n\n\t\t}\n\n\t\tfunction setProgram( camera, scene, geometry, material, object ) {\n\n\t\t\tif ( scene.isScene !== true ) scene = _emptyScene; // scene could be a Mesh, Line, Points, ...\n\n\t\t\ttextures.resetTextureUnits();\n\n\t\t\tconst fog = scene.fog;\n\t\t\tconst environment = material.isMeshStandardMaterial ? scene.environment : null;\n\t\t\tconst colorSpace = ( _currentRenderTarget === null ) ? _this.outputColorSpace : ( _currentRenderTarget.isXRRenderTarget === true ? _currentRenderTarget.texture.colorSpace : LinearSRGBColorSpace );\n\t\t\tconst envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || environment );\n\t\t\tconst vertexAlphas = material.vertexColors === true && !! geometry.attributes.color && geometry.attributes.color.itemSize === 4;\n\t\t\tconst vertexTangents = !! geometry.attributes.tangent && ( !! material.normalMap || material.anisotropy > 0 );\n\t\t\tconst morphTargets = !! geometry.morphAttributes.position;\n\t\t\tconst morphNormals = !! geometry.morphAttributes.normal;\n\t\t\tconst morphColors = !! geometry.morphAttributes.color;\n\n\t\t\tlet toneMapping = NoToneMapping;\n\n\t\t\tif ( material.toneMapped ) {\n\n\t\t\t\tif ( _currentRenderTarget === null || _currentRenderTarget.isXRRenderTarget === true ) {\n\n\t\t\t\t\ttoneMapping = _this.toneMapping;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color;\n\t\t\tconst morphTargetsCount = ( morphAttribute !== undefined ) ? morphAttribute.length : 0;\n\n\t\t\tconst materialProperties = properties.get( material );\n\t\t\tconst lights = currentRenderState.state.lights;\n\n\t\t\tif ( _clippingEnabled === true ) {\n\n\t\t\t\tif ( _localClippingEnabled === true || camera !== _currentCamera ) {\n\n\t\t\t\t\tconst useCache =\n\t\t\t\t\t\tcamera === _currentCamera &&\n\t\t\t\t\t\tmaterial.id === _currentMaterialId;\n\n\t\t\t\t\t// we might want to call this function with some ClippingGroup\n\t\t\t\t\t// object instead of the material, once it becomes feasible\n\t\t\t\t\t// (#8465, #8379)\n\t\t\t\t\tclipping.setState( material, camera, useCache );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tlet needsProgramChange = false;\n\n\t\t\tif ( material.version === materialProperties.__version ) {\n\n\t\t\t\tif ( materialProperties.needsLights && ( materialProperties.lightsStateVersion !== lights.state.version ) ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.outputColorSpace !== colorSpace ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isBatchedMesh && materialProperties.batching === false ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( ! object.isBatchedMesh && materialProperties.batching === true ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isBatchedMesh && materialProperties.batchingColor === true && object.colorTexture === null ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isBatchedMesh && materialProperties.batchingColor === false && object.colorTexture !== null ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isInstancedMesh && materialProperties.instancing === false ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( ! object.isInstancedMesh && materialProperties.instancing === true ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isSkinnedMesh && materialProperties.skinning === false ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( ! object.isSkinnedMesh && materialProperties.skinning === true ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isInstancedMesh && materialProperties.instancingColor === true && object.instanceColor === null ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isInstancedMesh && materialProperties.instancingColor === false && object.instanceColor !== null ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isInstancedMesh && materialProperties.instancingMorph === true && object.morphTexture === null ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isInstancedMesh && materialProperties.instancingMorph === false && object.morphTexture !== null ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.envMap !== envMap ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( material.fog === true && materialProperties.fog !== fog ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.numClippingPlanes !== undefined &&\n\t\t\t\t\t( materialProperties.numClippingPlanes !== clipping.numPlanes ||\n\t\t\t\t\tmaterialProperties.numIntersection !== clipping.numIntersection ) ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.vertexAlphas !== vertexAlphas ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.vertexTangents !== vertexTangents ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.morphTargets !== morphTargets ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.morphNormals !== morphNormals ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.morphColors !== morphColors ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.toneMapping !== toneMapping ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.morphTargetsCount !== morphTargetsCount ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tneedsProgramChange = true;\n\t\t\t\tmaterialProperties.__version = material.version;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tlet program = materialProperties.currentProgram;\n\n\t\t\tif ( needsProgramChange === true ) {\n\n\t\t\t\tprogram = getProgram( material, scene, object );\n\n\t\t\t}\n\n\t\t\tlet refreshProgram = false;\n\t\t\tlet refreshMaterial = false;\n\t\t\tlet refreshLights = false;\n\n\t\t\tconst p_uniforms = program.getUniforms(),\n\t\t\t\tm_uniforms = materialProperties.uniforms;\n\n\t\t\tif ( state.useProgram( program.program ) ) {\n\n\t\t\t\trefreshProgram = true;\n\t\t\t\trefreshMaterial = true;\n\t\t\t\trefreshLights = true;\n\n\t\t\t}\n\n\t\t\tif ( material.id !== _currentMaterialId ) {\n\n\t\t\t\t_currentMaterialId = material.id;\n\n\t\t\t\trefreshMaterial = true;\n\n\t\t\t}\n\n\t\t\tif ( refreshProgram || _currentCamera !== camera ) {\n\n\t\t\t\t// common camera uniforms\n\n\t\t\t\tconst reverseDepthBuffer = state.buffers.depth.getReversed();\n\n\t\t\t\tif ( reverseDepthBuffer ) {\n\n\t\t\t\t\t_currentProjectionMatrix.copy( camera.projectionMatrix );\n\n\t\t\t\t\ttoNormalizedProjectionMatrix( _currentProjectionMatrix );\n\t\t\t\t\ttoReversedProjectionMatrix( _currentProjectionMatrix );\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'projectionMatrix', _currentProjectionMatrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'projectionMatrix', camera.projectionMatrix );\n\n\t\t\t\t}\n\n\t\t\t\tp_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse );\n\n\t\t\t\tconst uCamPos = p_uniforms.map.cameraPosition;\n\n\t\t\t\tif ( uCamPos !== undefined ) {\n\n\t\t\t\t\tuCamPos.setValue( _gl, _vector3.setFromMatrixPosition( camera.matrixWorld ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( capabilities.logarithmicDepthBuffer ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'logDepthBufFC',\n\t\t\t\t\t\t2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) );\n\n\t\t\t\t}\n\n\t\t\t\t// consider moving isOrthographic to UniformLib and WebGLMaterials, see https://github.com/mrdoob/three.js/pull/26467#issuecomment-1645185067\n\n\t\t\t\tif ( material.isMeshPhongMaterial ||\n\t\t\t\t\tmaterial.isMeshToonMaterial ||\n\t\t\t\t\tmaterial.isMeshLambertMaterial ||\n\t\t\t\t\tmaterial.isMeshBasicMaterial ||\n\t\t\t\t\tmaterial.isMeshStandardMaterial ||\n\t\t\t\t\tmaterial.isShaderMaterial ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'isOrthographic', camera.isOrthographicCamera === true );\n\n\t\t\t\t}\n\n\t\t\t\tif ( _currentCamera !== camera ) {\n\n\t\t\t\t\t_currentCamera = camera;\n\n\t\t\t\t\t// lighting uniforms depend on the camera so enforce an update\n\t\t\t\t\t// now, in case this material supports lights - or later, when\n\t\t\t\t\t// the next material that does gets activated:\n\n\t\t\t\t\trefreshMaterial = true;\t\t// set to true on material change\n\t\t\t\t\trefreshLights = true;\t\t// remains set until update done\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// skinning and morph target uniforms must be set even if material didn't change\n\t\t\t// auto-setting of texture unit for bone and morph texture must go before other textures\n\t\t\t// otherwise textures used for skinning and morphing can take over texture units reserved for other material textures\n\n\t\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrix' );\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrixInverse' );\n\n\t\t\t\tconst skeleton = object.skeleton;\n\n\t\t\t\tif ( skeleton ) {\n\n\t\t\t\t\tif ( skeleton.boneTexture === null ) skeleton.computeBoneTexture();\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'boneTexture', skeleton.boneTexture, textures );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( object.isBatchedMesh ) {\n\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'batchingTexture' );\n\t\t\t\tp_uniforms.setValue( _gl, 'batchingTexture', object._matricesTexture, textures );\n\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'batchingIdTexture' );\n\t\t\t\tp_uniforms.setValue( _gl, 'batchingIdTexture', object._indirectTexture, textures );\n\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'batchingColorTexture' );\n\t\t\t\tif ( object._colorsTexture !== null ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'batchingColorTexture', object._colorsTexture, textures );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst morphAttributes = geometry.morphAttributes;\n\n\t\t\tif ( morphAttributes.position !== undefined || morphAttributes.normal !== undefined || ( morphAttributes.color !== undefined ) ) {\n\n\t\t\t\tmorphtargets.update( object, geometry, program );\n\n\t\t\t}\n\n\t\t\tif ( refreshMaterial || materialProperties.receiveShadow !== object.receiveShadow ) {\n\n\t\t\t\tmaterialProperties.receiveShadow = object.receiveShadow;\n\t\t\t\tp_uniforms.setValue( _gl, 'receiveShadow', object.receiveShadow );\n\n\t\t\t}\n\n\t\t\t// https://github.com/mrdoob/three.js/pull/24467#issuecomment-1209031512\n\n\t\t\tif ( material.isMeshGouraudMaterial && material.envMap !== null ) {\n\n\t\t\t\tm_uniforms.envMap.value = envMap;\n\n\t\t\t\tm_uniforms.flipEnvMap.value = ( envMap.isCubeTexture && envMap.isRenderTargetTexture === false ) ? - 1 : 1;\n\n\t\t\t}\n\n\t\t\tif ( material.isMeshStandardMaterial && material.envMap === null && scene.environment !== null ) {\n\n\t\t\t\tm_uniforms.envMapIntensity.value = scene.environmentIntensity;\n\n\t\t\t}\n\n\t\t\tif ( refreshMaterial ) {\n\n\t\t\t\tp_uniforms.setValue( _gl, 'toneMappingExposure', _this.toneMappingExposure );\n\n\t\t\t\tif ( materialProperties.needsLights ) {\n\n\t\t\t\t\t// the current material requires lighting info\n\n\t\t\t\t\t// note: all lighting uniforms are always set correctly\n\t\t\t\t\t// they simply reference the renderer's state for their\n\t\t\t\t\t// values\n\t\t\t\t\t//\n\t\t\t\t\t// use the current material's .needsUpdate flags to set\n\t\t\t\t\t// the GL state when required\n\n\t\t\t\t\tmarkUniformsLightsNeedsUpdate( m_uniforms, refreshLights );\n\n\t\t\t\t}\n\n\t\t\t\t// refresh uniforms common to several materials\n\n\t\t\t\tif ( fog && material.fog === true ) {\n\n\t\t\t\t\tmaterials.refreshFogUniforms( m_uniforms, fog );\n\n\t\t\t\t}\n\n\t\t\t\tmaterials.refreshMaterialUniforms( m_uniforms, material, _pixelRatio, _height, currentRenderState.state.transmissionRenderTarget[ camera.id ] );\n\n\t\t\t\tWebGLUniforms.upload( _gl, getUniformList( materialProperties ), m_uniforms, textures );\n\n\t\t\t}\n\n\t\t\tif ( material.isShaderMaterial && material.uniformsNeedUpdate === true ) {\n\n\t\t\t\tWebGLUniforms.upload( _gl, getUniformList( materialProperties ), m_uniforms, textures );\n\t\t\t\tmaterial.uniformsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( material.isSpriteMaterial ) {\n\n\t\t\t\tp_uniforms.setValue( _gl, 'center', object.center );\n\n\t\t\t}\n\n\t\t\t// common matrices\n\n\t\t\tp_uniforms.setValue( _gl, 'modelViewMatrix', object.modelViewMatrix );\n\t\t\tp_uniforms.setValue( _gl, 'normalMatrix', object.normalMatrix );\n\t\t\tp_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld );\n\n\t\t\t// UBOs\n\n\t\t\tif ( material.isShaderMaterial || material.isRawShaderMaterial ) {\n\n\t\t\t\tconst groups = material.uniformsGroups;\n\n\t\t\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\t\tconst group = groups[ i ];\n\n\t\t\t\t\tuniformsGroups.update( group, program );\n\t\t\t\t\tuniformsGroups.bind( group, program );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn program;\n\n\t\t}\n\n\t\t// If uniforms are marked as clean, they don't need to be loaded to the GPU.\n\n\t\tfunction markUniformsLightsNeedsUpdate( uniforms, value ) {\n\n\t\t\tuniforms.ambientLightColor.needsUpdate = value;\n\t\t\tuniforms.lightProbe.needsUpdate = value;\n\n\t\t\tuniforms.directionalLights.needsUpdate = value;\n\t\t\tuniforms.directionalLightShadows.needsUpdate = value;\n\t\t\tuniforms.pointLights.needsUpdate = value;\n\t\t\tuniforms.pointLightShadows.needsUpdate = value;\n\t\t\tuniforms.spotLights.needsUpdate = value;\n\t\t\tuniforms.spotLightShadows.needsUpdate = value;\n\t\t\tuniforms.rectAreaLights.needsUpdate = value;\n\t\t\tuniforms.hemisphereLights.needsUpdate = value;\n\n\t\t}\n\n\t\tfunction materialNeedsLights( material ) {\n\n\t\t\treturn material.isMeshLambertMaterial || material.isMeshToonMaterial || material.isMeshPhongMaterial ||\n\t\t\t\tmaterial.isMeshStandardMaterial || material.isShadowMaterial ||\n\t\t\t\t( material.isShaderMaterial && material.lights === true );\n\n\t\t}\n\n\t\tthis.getActiveCubeFace = function () {\n\n\t\t\treturn _currentActiveCubeFace;\n\n\t\t};\n\n\t\tthis.getActiveMipmapLevel = function () {\n\n\t\t\treturn _currentActiveMipmapLevel;\n\n\t\t};\n\n\t\tthis.getRenderTarget = function () {\n\n\t\t\treturn _currentRenderTarget;\n\n\t\t};\n\n\t\tthis.setRenderTargetTextures = function ( renderTarget, colorTexture, depthTexture ) {\n\n\t\t\tproperties.get( renderTarget.texture ).__webglTexture = colorTexture;\n\t\t\tproperties.get( renderTarget.depthTexture ).__webglTexture = depthTexture;\n\n\t\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\t\trenderTargetProperties.__hasExternalTextures = true;\n\n\t\t\trenderTargetProperties.__autoAllocateDepthBuffer = depthTexture === undefined;\n\n\t\t\tif ( ! renderTargetProperties.__autoAllocateDepthBuffer ) {\n\n\t\t\t\t// The multisample_render_to_texture extension doesn't work properly if there\n\t\t\t\t// are midframe flushes and an external depth buffer. Disable use of the extension.\n\t\t\t\tif ( extensions.has( 'WEBGL_multisampled_render_to_texture' ) === true ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Render-to-texture extension was disabled because an external texture was provided' );\n\t\t\t\t\trenderTargetProperties.__useRenderToTexture = false;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.setRenderTargetFramebuffer = function ( renderTarget, defaultFramebuffer ) {\n\n\t\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\t\trenderTargetProperties.__webglFramebuffer = defaultFramebuffer;\n\t\t\trenderTargetProperties.__useDefaultFramebuffer = defaultFramebuffer === undefined;\n\n\t\t};\n\n\t\tconst _scratchFrameBuffer = _gl.createFramebuffer();\n\t\tthis.setRenderTarget = function ( renderTarget, activeCubeFace = 0, activeMipmapLevel = 0 ) {\n\n\t\t\t_currentRenderTarget = renderTarget;\n\t\t\t_currentActiveCubeFace = activeCubeFace;\n\t\t\t_currentActiveMipmapLevel = activeMipmapLevel;\n\n\t\t\tlet useDefaultFramebuffer = true;\n\t\t\tlet framebuffer = null;\n\t\t\tlet isCube = false;\n\t\t\tlet isRenderTarget3D = false;\n\n\t\t\tif ( renderTarget ) {\n\n\t\t\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\t\t\tif ( renderTargetProperties.__useDefaultFramebuffer !== undefined ) {\n\n\t\t\t\t\t// We need to make sure to rebind the framebuffer.\n\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\t\t\t\t\tuseDefaultFramebuffer = false;\n\n\t\t\t\t} else if ( renderTargetProperties.__webglFramebuffer === undefined ) {\n\n\t\t\t\t\ttextures.setupRenderTarget( renderTarget );\n\n\t\t\t\t} else if ( renderTargetProperties.__hasExternalTextures ) {\n\n\t\t\t\t\t// Color and depth texture must be rebound in order for the swapchain to update.\n\t\t\t\t\ttextures.rebindTextures( renderTarget, properties.get( renderTarget.texture ).__webglTexture, properties.get( renderTarget.depthTexture ).__webglTexture );\n\n\t\t\t\t} else if ( renderTarget.depthBuffer ) {\n\n\t\t\t\t\t// check if the depth texture is already bound to the frame buffer and that it's been initialized\n\t\t\t\t\tconst depthTexture = renderTarget.depthTexture;\n\t\t\t\t\tif ( renderTargetProperties.__boundDepthTexture !== depthTexture ) {\n\n\t\t\t\t\t\t// check if the depth texture is compatible\n\t\t\t\t\t\tif (\n\t\t\t\t\t\t\tdepthTexture !== null &&\n\t\t\t\t\t\t\tproperties.has( depthTexture ) &&\n\t\t\t\t\t\t\t( renderTarget.width !== depthTexture.image.width || renderTarget.height !== depthTexture.image.height )\n\t\t\t\t\t\t) {\n\n\t\t\t\t\t\t\tthrow new Error( 'WebGLRenderTarget: Attached DepthTexture is initialized to the incorrect size.' );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// Swap the depth buffer to the currently attached one\n\t\t\t\t\t\ttextures.setupDepthRenderbuffer( renderTarget );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tconst texture = renderTarget.texture;\n\n\t\t\t\tif ( texture.isData3DTexture || texture.isDataArrayTexture || texture.isCompressedArrayTexture ) {\n\n\t\t\t\t\tisRenderTarget3D = true;\n\n\t\t\t\t}\n\n\t\t\t\tconst __webglFramebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\t\t\tif ( renderTarget.isWebGLCubeRenderTarget ) {\n\n\t\t\t\t\tif ( Array.isArray( __webglFramebuffer[ activeCubeFace ] ) ) {\n\n\t\t\t\t\t\tframebuffer = __webglFramebuffer[ activeCubeFace ][ activeMipmapLevel ];\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tframebuffer = __webglFramebuffer[ activeCubeFace ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tisCube = true;\n\n\t\t\t\t} else if ( ( renderTarget.samples > 0 ) && textures.useMultisampledRTT( renderTarget ) === false ) {\n\n\t\t\t\t\tframebuffer = properties.get( renderTarget ).__webglMultisampledFramebuffer;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( Array.isArray( __webglFramebuffer ) ) {\n\n\t\t\t\t\t\tframebuffer = __webglFramebuffer[ activeMipmapLevel ];\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tframebuffer = __webglFramebuffer;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t_currentViewport.copy( renderTarget.viewport );\n\t\t\t\t_currentScissor.copy( renderTarget.scissor );\n\t\t\t\t_currentScissorTest = renderTarget.scissorTest;\n\n\t\t\t} else {\n\n\t\t\t\t_currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).floor();\n\t\t\t\t_currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).floor();\n\t\t\t\t_currentScissorTest = _scissorTest;\n\n\t\t\t}\n\n\t\t\t// Use a scratch frame buffer if rendering to a mip level to avoid depth buffers\n\t\t\t// being bound that are different sizes.\n\t\t\tif ( activeMipmapLevel !== 0 ) {\n\n\t\t\t\tframebuffer = _scratchFrameBuffer;\n\n\t\t\t}\n\n\t\t\tconst framebufferBound = state.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\tif ( framebufferBound && useDefaultFramebuffer ) {\n\n\t\t\t\tstate.drawBuffers( renderTarget, framebuffer );\n\n\t\t\t}\n\n\t\t\tstate.viewport( _currentViewport );\n\t\t\tstate.scissor( _currentScissor );\n\t\t\tstate.setScissorTest( _currentScissorTest );\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\tconst textureProperties = properties.get( renderTarget.texture );\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + activeCubeFace, textureProperties.__webglTexture, activeMipmapLevel );\n\n\t\t\t} else if ( isRenderTarget3D ) {\n\n\t\t\t\tconst textureProperties = properties.get( renderTarget.texture );\n\t\t\t\tconst layer = activeCubeFace;\n\t\t\t\t_gl.framebufferTextureLayer( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, textureProperties.__webglTexture, activeMipmapLevel, layer );\n\n\t\t\t} else if ( renderTarget !== null && activeMipmapLevel !== 0 ) {\n\n\t\t\t\t// Only bind the frame buffer if we are using a scratch frame buffer to render to a mipmap.\n\t\t\t\t// If we rebind the texture when using a multi sample buffer then an error about inconsistent samples will be thrown.\n\t\t\t\tconst textureProperties = properties.get( renderTarget.texture );\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, textureProperties.__webglTexture, activeMipmapLevel );\n\n\t\t\t}\n\n\t\t\t_currentMaterialId = - 1; // reset current material to ensure correct uniform bindings\n\n\t\t};\n\n\t\tthis.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer, activeCubeFaceIndex ) {\n\n\t\t\tif ( ! ( renderTarget && renderTarget.isWebGLRenderTarget ) ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tlet framebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\t\tif ( renderTarget.isWebGLCubeRenderTarget && activeCubeFaceIndex !== undefined ) {\n\n\t\t\t\tframebuffer = framebuffer[ activeCubeFaceIndex ];\n\n\t\t\t}\n\n\t\t\tif ( framebuffer ) {\n\n\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\t\ttry {\n\n\t\t\t\t\tconst texture = renderTarget.texture;\n\t\t\t\t\tconst textureFormat = texture.format;\n\t\t\t\t\tconst textureType = texture.type;\n\n\t\t\t\t\tif ( ! capabilities.textureFormatReadable( textureFormat ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! capabilities.textureTypeReadable( textureType ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604)\n\n\t\t\t\t\tif ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) {\n\n\t\t\t\t\t\t_gl.readPixels( x, y, width, height, utils.convert( textureFormat ), utils.convert( textureType ), buffer );\n\n\t\t\t\t\t}\n\n\t\t\t\t} finally {\n\n\t\t\t\t\t// restore framebuffer of current render target if necessary\n\n\t\t\t\t\tconst framebuffer = ( _currentRenderTarget !== null ) ? properties.get( _currentRenderTarget ).__webglFramebuffer : null;\n\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.readRenderTargetPixelsAsync = async function ( renderTarget, x, y, width, height, buffer, activeCubeFaceIndex ) {\n\n\t\t\tif ( ! ( renderTarget && renderTarget.isWebGLRenderTarget ) ) {\n\n\t\t\t\tthrow new Error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' );\n\n\t\t\t}\n\n\t\t\tlet framebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\t\t\tif ( renderTarget.isWebGLCubeRenderTarget && activeCubeFaceIndex !== undefined ) {\n\n\t\t\t\tframebuffer = framebuffer[ activeCubeFaceIndex ];\n\n\t\t\t}\n\n\t\t\tif ( framebuffer ) {\n\n\t\t\t\tconst texture = renderTarget.texture;\n\t\t\t\tconst textureFormat = texture.format;\n\t\t\t\tconst textureType = texture.type;\n\n\t\t\t\tif ( ! capabilities.textureFormatReadable( textureFormat ) ) {\n\n\t\t\t\t\tthrow new Error( 'THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in RGBA or implementation defined format.' );\n\n\t\t\t\t}\n\n\t\t\t\tif ( ! capabilities.textureTypeReadable( textureType ) ) {\n\n\t\t\t\t\tthrow new Error( 'THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in UnsignedByteType or implementation defined type.' );\n\n\t\t\t\t}\n\n\t\t\t\t// the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604)\n\t\t\t\tif ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) {\n\n\t\t\t\t\t// set the active frame buffer to the one we want to read\n\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\t\t\tconst glBuffer = _gl.createBuffer();\n\t\t\t\t\t_gl.bindBuffer( _gl.PIXEL_PACK_BUFFER, glBuffer );\n\t\t\t\t\t_gl.bufferData( _gl.PIXEL_PACK_BUFFER, buffer.byteLength, _gl.STREAM_READ );\n\t\t\t\t\t_gl.readPixels( x, y, width, height, utils.convert( textureFormat ), utils.convert( textureType ), 0 );\n\n\t\t\t\t\t// reset the frame buffer to the currently set buffer before waiting\n\t\t\t\t\tconst currFramebuffer = _currentRenderTarget !== null ? properties.get( _currentRenderTarget ).__webglFramebuffer : null;\n\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, currFramebuffer );\n\n\t\t\t\t\t// check if the commands have finished every 8 ms\n\t\t\t\t\tconst sync = _gl.fenceSync( _gl.SYNC_GPU_COMMANDS_COMPLETE, 0 );\n\n\t\t\t\t\t_gl.flush();\n\n\t\t\t\t\tawait probeAsync( _gl, sync, 4 );\n\n\t\t\t\t\t// read the data and delete the buffer\n\t\t\t\t\t_gl.bindBuffer( _gl.PIXEL_PACK_BUFFER, glBuffer );\n\t\t\t\t\t_gl.getBufferSubData( _gl.PIXEL_PACK_BUFFER, 0, buffer );\n\t\t\t\t\t_gl.deleteBuffer( glBuffer );\n\t\t\t\t\t_gl.deleteSync( sync );\n\n\t\t\t\t\treturn buffer;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new Error( 'THREE.WebGLRenderer.readRenderTargetPixelsAsync: requested read bounds are out of range.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.copyFramebufferToTexture = function ( texture, position = null, level = 0 ) {\n\n\t\t\t// support previous signature with position first\n\t\t\tif ( texture.isTexture !== true ) {\n\n\t\t\t\t// @deprecated, r165\n\t\t\t\twarnOnce( 'WebGLRenderer: copyFramebufferToTexture function signature has changed.' );\n\n\t\t\t\tposition = arguments[ 0 ] || null;\n\t\t\t\ttexture = arguments[ 1 ];\n\n\t\t\t}\n\n\t\t\tconst levelScale = Math.pow( 2, - level );\n\t\t\tconst width = Math.floor( texture.image.width * levelScale );\n\t\t\tconst height = Math.floor( texture.image.height * levelScale );\n\n\t\t\tconst x = position !== null ? position.x : 0;\n\t\t\tconst y = position !== null ? position.y : 0;\n\n\t\t\ttextures.setTexture2D( texture, 0 );\n\n\t\t\t_gl.copyTexSubImage2D( _gl.TEXTURE_2D, level, 0, 0, x, y, width, height );\n\n\t\t\tstate.unbindTexture();\n\n\t\t};\n\n\t\tconst _srcFramebuffer = _gl.createFramebuffer();\n\t\tconst _dstFramebuffer = _gl.createFramebuffer();\n\t\tthis.copyTextureToTexture = function ( srcTexture, dstTexture, srcRegion = null, dstPosition = null, srcLevel = 0, dstLevel = null ) {\n\n\t\t\t// support previous signature with dstPosition first\n\t\t\tif ( srcTexture.isTexture !== true ) {\n\n\t\t\t\t// @deprecated, r165\n\t\t\t\twarnOnce( 'WebGLRenderer: copyTextureToTexture function signature has changed.' );\n\n\t\t\t\tdstPosition = arguments[ 0 ] || null;\n\t\t\t\tsrcTexture = arguments[ 1 ];\n\t\t\t\tdstTexture = arguments[ 2 ];\n\t\t\t\tdstLevel = arguments[ 3 ] || 0;\n\t\t\t\tsrcRegion = null;\n\n\t\t\t}\n\n\t\t\t// support the previous signature with just a single dst mipmap level\n\t\t\tif ( dstLevel === null ) {\n\n\t\t\t\tif ( srcLevel !== 0 ) {\n\n\t\t\t\t\t// @deprecated, r171\n\t\t\t\t\twarnOnce( 'WebGLRenderer: copyTextureToTexture function signature has changed to support src and dst mipmap levels.' );\n\t\t\t\t\tdstLevel = srcLevel;\n\t\t\t\t\tsrcLevel = 0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tdstLevel = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// gather the necessary dimensions to copy\n\t\t\tlet width, height, depth, minX, minY, minZ;\n\t\t\tlet dstX, dstY, dstZ;\n\t\t\tconst image = srcTexture.isCompressedTexture ? srcTexture.mipmaps[ dstLevel ] : srcTexture.image;\n\t\t\tif ( srcRegion !== null ) {\n\n\t\t\t\twidth = srcRegion.max.x - srcRegion.min.x;\n\t\t\t\theight = srcRegion.max.y - srcRegion.min.y;\n\t\t\t\tdepth = srcRegion.isBox3 ? srcRegion.max.z - srcRegion.min.z : 1;\n\t\t\t\tminX = srcRegion.min.x;\n\t\t\t\tminY = srcRegion.min.y;\n\t\t\t\tminZ = srcRegion.isBox3 ? srcRegion.min.z : 0;\n\n\t\t\t} else {\n\n\t\t\t\tconst levelScale = Math.pow( 2, - srcLevel );\n\t\t\t\twidth = Math.floor( image.width * levelScale );\n\t\t\t\theight = Math.floor( image.height * levelScale );\n\t\t\t\tif ( srcTexture.isDataArrayTexture ) {\n\n\t\t\t\t\tdepth = image.depth;\n\n\t\t\t\t} else if ( srcTexture.isData3DTexture ) {\n\n\t\t\t\t\tdepth = Math.floor( image.depth * levelScale );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tdepth = 1;\n\n\t\t\t\t}\n\n\t\t\t\tminX = 0;\n\t\t\t\tminY = 0;\n\t\t\t\tminZ = 0;\n\n\t\t\t}\n\n\t\t\tif ( dstPosition !== null ) {\n\n\t\t\t\tdstX = dstPosition.x;\n\t\t\t\tdstY = dstPosition.y;\n\t\t\t\tdstZ = dstPosition.z;\n\n\t\t\t} else {\n\n\t\t\t\tdstX = 0;\n\t\t\t\tdstY = 0;\n\t\t\t\tdstZ = 0;\n\n\t\t\t}\n\n\t\t\t// Set up the destination target\n\t\t\tconst glFormat = utils.convert( dstTexture.format );\n\t\t\tconst glType = utils.convert( dstTexture.type );\n\t\t\tlet glTarget;\n\n\t\t\tif ( dstTexture.isData3DTexture ) {\n\n\t\t\t\ttextures.setTexture3D( dstTexture, 0 );\n\t\t\t\tglTarget = _gl.TEXTURE_3D;\n\n\t\t\t} else if ( dstTexture.isDataArrayTexture || dstTexture.isCompressedArrayTexture ) {\n\n\t\t\t\ttextures.setTexture2DArray( dstTexture, 0 );\n\t\t\t\tglTarget = _gl.TEXTURE_2D_ARRAY;\n\n\t\t\t} else {\n\n\t\t\t\ttextures.setTexture2D( dstTexture, 0 );\n\t\t\t\tglTarget = _gl.TEXTURE_2D;\n\n\t\t\t}\n\n\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, dstTexture.flipY );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, dstTexture.premultiplyAlpha );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ALIGNMENT, dstTexture.unpackAlignment );\n\n\t\t\t// used for copying data from cpu\n\t\t\tconst currentUnpackRowLen = _gl.getParameter( _gl.UNPACK_ROW_LENGTH );\n\t\t\tconst currentUnpackImageHeight = _gl.getParameter( _gl.UNPACK_IMAGE_HEIGHT );\n\t\t\tconst currentUnpackSkipPixels = _gl.getParameter( _gl.UNPACK_SKIP_PIXELS );\n\t\t\tconst currentUnpackSkipRows = _gl.getParameter( _gl.UNPACK_SKIP_ROWS );\n\t\t\tconst currentUnpackSkipImages = _gl.getParameter( _gl.UNPACK_SKIP_IMAGES );\n\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ROW_LENGTH, image.width );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_IMAGE_HEIGHT, image.height );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_PIXELS, minX );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_ROWS, minY );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_IMAGES, minZ );\n\n\t\t\t// set up the src texture\n\t\t\tconst isSrc3D = srcTexture.isDataArrayTexture || srcTexture.isData3DTexture;\n\t\t\tconst isDst3D = dstTexture.isDataArrayTexture || dstTexture.isData3DTexture;\n\t\t\tif ( srcTexture.isDepthTexture ) {\n\n\t\t\t\tconst srcTextureProperties = properties.get( srcTexture );\n\t\t\t\tconst dstTextureProperties = properties.get( dstTexture );\n\t\t\t\tconst srcRenderTargetProperties = properties.get( srcTextureProperties.__renderTarget );\n\t\t\t\tconst dstRenderTargetProperties = properties.get( dstTextureProperties.__renderTarget );\n\t\t\t\tstate.bindFramebuffer( _gl.READ_FRAMEBUFFER, srcRenderTargetProperties.__webglFramebuffer );\n\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, dstRenderTargetProperties.__webglFramebuffer );\n\n\t\t\t\tfor ( let i = 0; i < depth; i ++ ) {\n\n\t\t\t\t\t// if the source or destination are a 3d target then a layer needs to be bound\n\t\t\t\t\tif ( isSrc3D ) {\n\n\t\t\t\t\t\t_gl.framebufferTextureLayer( _gl.READ_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, properties.get( srcTexture ).__webglTexture, srcLevel, minZ + i );\n\t\t\t\t\t\t_gl.framebufferTextureLayer( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, properties.get( dstTexture ).__webglTexture, dstLevel, dstZ + i );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_gl.blitFramebuffer( minX, minY, width, height, dstX, dstY, width, height, _gl.DEPTH_BUFFER_BIT, _gl.NEAREST );\n\n\t\t\t\t}\n\n\t\t\t\tstate.bindFramebuffer( _gl.READ_FRAMEBUFFER, null );\n\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, null );\n\n\t\t\t} else if ( srcLevel !== 0 || srcTexture.isRenderTargetTexture || properties.has( srcTexture ) ) {\n\n\t\t\t\t// get the appropriate frame buffers\n\t\t\t\tconst srcTextureProperties = properties.get( srcTexture );\n\t\t\t\tconst dstTextureProperties = properties.get( dstTexture );\n\n\t\t\t\t// bind the frame buffer targets\n\t\t\t\tstate.bindFramebuffer( _gl.READ_FRAMEBUFFER, _srcFramebuffer );\n\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, _dstFramebuffer );\n\n\t\t\t\tfor ( let i = 0; i < depth; i ++ ) {\n\n\t\t\t\t\t// assign the correct layers and mip maps to the frame buffers\n\t\t\t\t\tif ( isSrc3D ) {\n\n\t\t\t\t\t\t_gl.framebufferTextureLayer( _gl.READ_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, srcTextureProperties.__webglTexture, srcLevel, minZ + i );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_gl.framebufferTexture2D( _gl.READ_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, srcTextureProperties.__webglTexture, srcLevel );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( isDst3D ) {\n\n\t\t\t\t\t\t_gl.framebufferTextureLayer( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, dstTextureProperties.__webglTexture, dstLevel, dstZ + i );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_gl.framebufferTexture2D( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, dstTextureProperties.__webglTexture, dstLevel );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// copy the data using the fastest function that can achieve the copy\n\t\t\t\t\tif ( srcLevel !== 0 ) {\n\n\t\t\t\t\t\t_gl.blitFramebuffer( minX, minY, width, height, dstX, dstY, width, height, _gl.COLOR_BUFFER_BIT, _gl.NEAREST );\n\n\t\t\t\t\t} else if ( isDst3D ) {\n\n\t\t\t\t\t\t_gl.copyTexSubImage3D( glTarget, dstLevel, dstX, dstY, dstZ + i, minX, minY, width, height );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_gl.copyTexSubImage2D( glTarget, dstLevel, dstX, dstY, minX, minY, width, height );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// unbind read, draw buffers\n\t\t\t\tstate.bindFramebuffer( _gl.READ_FRAMEBUFFER, null );\n\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, null );\n\n\t\t\t} else {\n\n\t\t\t\tif ( isDst3D ) {\n\n\t\t\t\t\t// copy data into the 3d texture\n\t\t\t\t\tif ( srcTexture.isDataTexture || srcTexture.isData3DTexture ) {\n\n\t\t\t\t\t\t_gl.texSubImage3D( glTarget, dstLevel, dstX, dstY, dstZ, width, height, depth, glFormat, glType, image.data );\n\n\t\t\t\t\t} else if ( dstTexture.isCompressedArrayTexture ) {\n\n\t\t\t\t\t\t_gl.compressedTexSubImage3D( glTarget, dstLevel, dstX, dstY, dstZ, width, height, depth, glFormat, image.data );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_gl.texSubImage3D( glTarget, dstLevel, dstX, dstY, dstZ, width, height, depth, glFormat, glType, image );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// copy data into the 2d texture\n\t\t\t\t\tif ( srcTexture.isDataTexture ) {\n\n\t\t\t\t\t\t_gl.texSubImage2D( _gl.TEXTURE_2D, dstLevel, dstX, dstY, width, height, glFormat, glType, image.data );\n\n\t\t\t\t\t} else if ( srcTexture.isCompressedTexture ) {\n\n\t\t\t\t\t\t_gl.compressedTexSubImage2D( _gl.TEXTURE_2D, dstLevel, dstX, dstY, image.width, image.height, glFormat, image.data );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_gl.texSubImage2D( _gl.TEXTURE_2D, dstLevel, dstX, dstY, width, height, glFormat, glType, image );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// reset values\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ROW_LENGTH, currentUnpackRowLen );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_IMAGE_HEIGHT, currentUnpackImageHeight );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_PIXELS, currentUnpackSkipPixels );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_ROWS, currentUnpackSkipRows );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_IMAGES, currentUnpackSkipImages );\n\n\t\t\t// Generate mipmaps only when copying level 0\n\t\t\tif ( dstLevel === 0 && dstTexture.generateMipmaps ) {\n\n\t\t\t\t_gl.generateMipmap( glTarget );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t};\n\n\t\tthis.copyTextureToTexture3D = function ( srcTexture, dstTexture, srcRegion = null, dstPosition = null, level = 0 ) {\n\n\t\t\t// support previous signature with source box first\n\t\t\tif ( srcTexture.isTexture !== true ) {\n\n\t\t\t\t// @deprecated, r165\n\t\t\t\twarnOnce( 'WebGLRenderer: copyTextureToTexture3D function signature has changed.' );\n\n\t\t\t\tsrcRegion = arguments[ 0 ] || null;\n\t\t\t\tdstPosition = arguments[ 1 ] || null;\n\t\t\t\tsrcTexture = arguments[ 2 ];\n\t\t\t\tdstTexture = arguments[ 3 ];\n\t\t\t\tlevel = arguments[ 4 ] || 0;\n\n\t\t\t}\n\n\t\t\t// @deprecated, r170\n\t\t\twarnOnce( 'WebGLRenderer: copyTextureToTexture3D function has been deprecated. Use \"copyTextureToTexture\" instead.' );\n\n\t\t\treturn this.copyTextureToTexture( srcTexture, dstTexture, srcRegion, dstPosition, level );\n\n\t\t};\n\n\t\tthis.initRenderTarget = function ( target ) {\n\n\t\t\tif ( properties.get( target ).__webglFramebuffer === undefined ) {\n\n\t\t\t\ttextures.setupRenderTarget( target );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.initTexture = function ( texture ) {\n\n\t\t\tif ( texture.isCubeTexture ) {\n\n\t\t\t\ttextures.setTextureCube( texture, 0 );\n\n\t\t\t} else if ( texture.isData3DTexture ) {\n\n\t\t\t\ttextures.setTexture3D( texture, 0 );\n\n\t\t\t} else if ( texture.isDataArrayTexture || texture.isCompressedArrayTexture ) {\n\n\t\t\t\ttextures.setTexture2DArray( texture, 0 );\n\n\t\t\t} else {\n\n\t\t\t\ttextures.setTexture2D( texture, 0 );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t};\n\n\t\tthis.resetState = function () {\n\n\t\t\t_currentActiveCubeFace = 0;\n\t\t\t_currentActiveMipmapLevel = 0;\n\t\t\t_currentRenderTarget = null;\n\n\t\t\tstate.reset();\n\t\t\tbindingStates.reset();\n\n\t\t};\n\n\t\tif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t\t\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) );\n\n\t\t}\n\n\t}\n\n\tget coordinateSystem() {\n\n\t\treturn WebGLCoordinateSystem;\n\n\t}\n\n\tget outputColorSpace() {\n\n\t\treturn this._outputColorSpace;\n\n\t}\n\n\tset outputColorSpace( colorSpace ) {\n\n\t\tthis._outputColorSpace = colorSpace;\n\n\t\tconst gl = this.getContext();\n\t\tgl.drawingBufferColorspace = ColorManagement._getDrawingBufferColorSpace( colorSpace );\n\t\tgl.unpackColorSpace = ColorManagement._getUnpackColorSpace();\n\n\t}\n\n}\n\nexport { ACESFilmicToneMapping, AddEquation, AddOperation, AdditiveBlending, AgXToneMapping, AlphaFormat, AlwaysCompare, AlwaysDepth, ArrayCamera, BackSide, BoxGeometry, BufferAttribute, BufferGeometry, ByteType, CineonToneMapping, ClampToEdgeWrapping, Color, ColorManagement, ConstantAlphaFactor, ConstantColorFactor, CubeReflectionMapping, CubeRefractionMapping, CubeTexture, CubeUVReflectionMapping, CullFaceBack, CullFaceFront, CullFaceNone, CustomBlending, CustomToneMapping, Data3DTexture, DataArrayTexture, DepthFormat, DepthStencilFormat, DepthTexture, DoubleSide, DstAlphaFactor, DstColorFactor, EqualCompare, EqualDepth, EquirectangularReflectionMapping, EquirectangularRefractionMapping, Euler, EventDispatcher, FloatType, FrontSide, Frustum, GLSL3, GreaterCompare, GreaterDepth, GreaterEqualCompare, GreaterEqualDepth, HalfFloatType, IntType, Layers, LessCompare, LessDepth, LessEqualCompare, LessEqualDepth, LinearFilter, LinearMipmapLinearFilter, LinearMipmapNearestFilter, LinearSRGBColorSpace, LinearToneMapping, LinearTransfer, LuminanceAlphaFormat, LuminanceFormat, Matrix3, Matrix4, MaxEquation, Mesh, MeshBasicMaterial, MeshDepthMaterial, MeshDistanceMaterial, MinEquation, MirroredRepeatWrapping, MixOperation, MultiplyBlending, MultiplyOperation, NearestFilter, NearestMipmapLinearFilter, NearestMipmapNearestFilter, NeutralToneMapping, NeverCompare, NeverDepth, NoBlending, NoColorSpace, NoToneMapping, NormalBlending, NotEqualCompare, NotEqualDepth, ObjectSpaceNormalMap, OneFactor, OneMinusConstantAlphaFactor, OneMinusConstantColorFactor, OneMinusDstAlphaFactor, OneMinusDstColorFactor, OneMinusSrcAlphaFactor, OneMinusSrcColorFactor, OrthographicCamera, PCFShadowMap, PCFSoftShadowMap, PMREMGenerator, PerspectiveCamera, Plane, PlaneGeometry, RED_GREEN_RGTC2_Format, RED_RGTC1_Format, REVISION, RGBADepthPacking, RGBAFormat, RGBAIntegerFormat, RGBA_ASTC_10x10_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_BPTC_Format, RGBA_ETC2_EAC_Format, RGBA_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGBFormat, RGB_BPTC_SIGNED_Format, RGB_BPTC_UNSIGNED_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGB_PVRTC_2BPPV1_Format, RGB_PVRTC_4BPPV1_Format, RGB_S3TC_DXT1_Format, RGFormat, RGIntegerFormat, RedFormat, RedIntegerFormat, ReinhardToneMapping, RepeatWrapping, ReverseSubtractEquation, SIGNED_RED_GREEN_RGTC2_Format, SIGNED_RED_RGTC1_Format, SRGBColorSpace, SRGBTransfer, ShaderChunk, ShaderLib, ShaderMaterial, ShortType, SrcAlphaFactor, SrcAlphaSaturateFactor, SrcColorFactor, SubtractEquation, SubtractiveBlending, TangentSpaceNormalMap, Texture, Uint16BufferAttribute, Uint32BufferAttribute, UniformsLib, UniformsUtils, UnsignedByteType, UnsignedInt248Type, UnsignedInt5999Type, UnsignedIntType, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedShortType, VSMShadowMap, Vector2, Vector3, Vector4, WebGLCoordinateSystem, WebGLCubeRenderTarget, WebGLRenderTarget, WebGLRenderer, WebGLUtils, WebXRController, ZeroFactor, createCanvasElement };\n", "/**\n * @license\n * Copyright 2010-2025 Three.js Authors\n * SPDX-License-Identifier: MIT\n */\nconst REVISION = '173';\n\nconst MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2, ROTATE: 0, DOLLY: 1, PAN: 2 };\nconst TOUCH = { ROTATE: 0, PAN: 1, DOLLY_PAN: 2, DOLLY_ROTATE: 3 };\nconst CullFaceNone = 0;\nconst CullFaceBack = 1;\nconst CullFaceFront = 2;\nconst CullFaceFrontBack = 3;\nconst BasicShadowMap = 0;\nconst PCFShadowMap = 1;\nconst PCFSoftShadowMap = 2;\nconst VSMShadowMap = 3;\nconst FrontSide = 0;\nconst BackSide = 1;\nconst DoubleSide = 2;\nconst NoBlending = 0;\nconst NormalBlending = 1;\nconst AdditiveBlending = 2;\nconst SubtractiveBlending = 3;\nconst MultiplyBlending = 4;\nconst CustomBlending = 5;\nconst AddEquation = 100;\nconst SubtractEquation = 101;\nconst ReverseSubtractEquation = 102;\nconst MinEquation = 103;\nconst MaxEquation = 104;\nconst ZeroFactor = 200;\nconst OneFactor = 201;\nconst SrcColorFactor = 202;\nconst OneMinusSrcColorFactor = 203;\nconst SrcAlphaFactor = 204;\nconst OneMinusSrcAlphaFactor = 205;\nconst DstAlphaFactor = 206;\nconst OneMinusDstAlphaFactor = 207;\nconst DstColorFactor = 208;\nconst OneMinusDstColorFactor = 209;\nconst SrcAlphaSaturateFactor = 210;\nconst ConstantColorFactor = 211;\nconst OneMinusConstantColorFactor = 212;\nconst ConstantAlphaFactor = 213;\nconst OneMinusConstantAlphaFactor = 214;\nconst NeverDepth = 0;\nconst AlwaysDepth = 1;\nconst LessDepth = 2;\nconst LessEqualDepth = 3;\nconst EqualDepth = 4;\nconst GreaterEqualDepth = 5;\nconst GreaterDepth = 6;\nconst NotEqualDepth = 7;\nconst MultiplyOperation = 0;\nconst MixOperation = 1;\nconst AddOperation = 2;\nconst NoToneMapping = 0;\nconst LinearToneMapping = 1;\nconst ReinhardToneMapping = 2;\nconst CineonToneMapping = 3;\nconst ACESFilmicToneMapping = 4;\nconst CustomToneMapping = 5;\nconst AgXToneMapping = 6;\nconst NeutralToneMapping = 7;\nconst AttachedBindMode = 'attached';\nconst DetachedBindMode = 'detached';\n\nconst UVMapping = 300;\nconst CubeReflectionMapping = 301;\nconst CubeRefractionMapping = 302;\nconst EquirectangularReflectionMapping = 303;\nconst EquirectangularRefractionMapping = 304;\nconst CubeUVReflectionMapping = 306;\nconst RepeatWrapping = 1000;\nconst ClampToEdgeWrapping = 1001;\nconst MirroredRepeatWrapping = 1002;\nconst NearestFilter = 1003;\nconst NearestMipmapNearestFilter = 1004;\nconst NearestMipMapNearestFilter = 1004;\nconst NearestMipmapLinearFilter = 1005;\nconst NearestMipMapLinearFilter = 1005;\nconst LinearFilter = 1006;\nconst LinearMipmapNearestFilter = 1007;\nconst LinearMipMapNearestFilter = 1007;\nconst LinearMipmapLinearFilter = 1008;\nconst LinearMipMapLinearFilter = 1008;\nconst UnsignedByteType = 1009;\nconst ByteType = 1010;\nconst ShortType = 1011;\nconst UnsignedShortType = 1012;\nconst IntType = 1013;\nconst UnsignedIntType = 1014;\nconst FloatType = 1015;\nconst HalfFloatType = 1016;\nconst UnsignedShort4444Type = 1017;\nconst UnsignedShort5551Type = 1018;\nconst UnsignedInt248Type = 1020;\nconst UnsignedInt5999Type = 35902;\nconst AlphaFormat = 1021;\nconst RGBFormat = 1022;\nconst RGBAFormat = 1023;\nconst LuminanceFormat = 1024;\nconst LuminanceAlphaFormat = 1025;\nconst DepthFormat = 1026;\nconst DepthStencilFormat = 1027;\nconst RedFormat = 1028;\nconst RedIntegerFormat = 1029;\nconst RGFormat = 1030;\nconst RGIntegerFormat = 1031;\nconst RGBIntegerFormat = 1032;\nconst RGBAIntegerFormat = 1033;\n\nconst RGB_S3TC_DXT1_Format = 33776;\nconst RGBA_S3TC_DXT1_Format = 33777;\nconst RGBA_S3TC_DXT3_Format = 33778;\nconst RGBA_S3TC_DXT5_Format = 33779;\nconst RGB_PVRTC_4BPPV1_Format = 35840;\nconst RGB_PVRTC_2BPPV1_Format = 35841;\nconst RGBA_PVRTC_4BPPV1_Format = 35842;\nconst RGBA_PVRTC_2BPPV1_Format = 35843;\nconst RGB_ETC1_Format = 36196;\nconst RGB_ETC2_Format = 37492;\nconst RGBA_ETC2_EAC_Format = 37496;\nconst RGBA_ASTC_4x4_Format = 37808;\nconst RGBA_ASTC_5x4_Format = 37809;\nconst RGBA_ASTC_5x5_Format = 37810;\nconst RGBA_ASTC_6x5_Format = 37811;\nconst RGBA_ASTC_6x6_Format = 37812;\nconst RGBA_ASTC_8x5_Format = 37813;\nconst RGBA_ASTC_8x6_Format = 37814;\nconst RGBA_ASTC_8x8_Format = 37815;\nconst RGBA_ASTC_10x5_Format = 37816;\nconst RGBA_ASTC_10x6_Format = 37817;\nconst RGBA_ASTC_10x8_Format = 37818;\nconst RGBA_ASTC_10x10_Format = 37819;\nconst RGBA_ASTC_12x10_Format = 37820;\nconst RGBA_ASTC_12x12_Format = 37821;\nconst RGBA_BPTC_Format = 36492;\nconst RGB_BPTC_SIGNED_Format = 36494;\nconst RGB_BPTC_UNSIGNED_Format = 36495;\nconst RED_RGTC1_Format = 36283;\nconst SIGNED_RED_RGTC1_Format = 36284;\nconst RED_GREEN_RGTC2_Format = 36285;\nconst SIGNED_RED_GREEN_RGTC2_Format = 36286;\nconst LoopOnce = 2200;\nconst LoopRepeat = 2201;\nconst LoopPingPong = 2202;\nconst InterpolateDiscrete = 2300;\nconst InterpolateLinear = 2301;\nconst InterpolateSmooth = 2302;\nconst ZeroCurvatureEnding = 2400;\nconst ZeroSlopeEnding = 2401;\nconst WrapAroundEnding = 2402;\nconst NormalAnimationBlendMode = 2500;\nconst AdditiveAnimationBlendMode = 2501;\nconst TrianglesDrawMode = 0;\nconst TriangleStripDrawMode = 1;\nconst TriangleFanDrawMode = 2;\nconst BasicDepthPacking = 3200;\nconst RGBADepthPacking = 3201;\nconst RGBDepthPacking = 3202;\nconst RGDepthPacking = 3203;\nconst TangentSpaceNormalMap = 0;\nconst ObjectSpaceNormalMap = 1;\n\n// Color space string identifiers, matching CSS Color Module Level 4 and WebGPU names where available.\nconst NoColorSpace = '';\nconst SRGBColorSpace = 'srgb';\nconst LinearSRGBColorSpace = 'srgb-linear';\n\nconst LinearTransfer = 'linear';\nconst SRGBTransfer = 'srgb';\n\nconst ZeroStencilOp = 0;\nconst KeepStencilOp = 7680;\nconst ReplaceStencilOp = 7681;\nconst IncrementStencilOp = 7682;\nconst DecrementStencilOp = 7683;\nconst IncrementWrapStencilOp = 34055;\nconst DecrementWrapStencilOp = 34056;\nconst InvertStencilOp = 5386;\n\nconst NeverStencilFunc = 512;\nconst LessStencilFunc = 513;\nconst EqualStencilFunc = 514;\nconst LessEqualStencilFunc = 515;\nconst GreaterStencilFunc = 516;\nconst NotEqualStencilFunc = 517;\nconst GreaterEqualStencilFunc = 518;\nconst AlwaysStencilFunc = 519;\n\nconst NeverCompare = 512;\nconst LessCompare = 513;\nconst EqualCompare = 514;\nconst LessEqualCompare = 515;\nconst GreaterCompare = 516;\nconst NotEqualCompare = 517;\nconst GreaterEqualCompare = 518;\nconst AlwaysCompare = 519;\n\nconst StaticDrawUsage = 35044;\nconst DynamicDrawUsage = 35048;\nconst StreamDrawUsage = 35040;\nconst StaticReadUsage = 35045;\nconst DynamicReadUsage = 35049;\nconst StreamReadUsage = 35041;\nconst StaticCopyUsage = 35046;\nconst DynamicCopyUsage = 35050;\nconst StreamCopyUsage = 35042;\n\nconst GLSL1 = '100';\nconst GLSL3 = '300 es';\n\nconst WebGLCoordinateSystem = 2000;\nconst WebGPUCoordinateSystem = 2001;\n\nconst TimestampQuery = {\n\tCOMPUTE: 'compute',\n\tRENDER: 'render'\n};\n\n/**\n * https://github.com/mrdoob/eventdispatcher.js/\n */\n\nclass EventDispatcher {\n\n\taddEventListener( type, listener ) {\n\n\t\tif ( this._listeners === undefined ) this._listeners = {};\n\n\t\tconst listeners = this._listeners;\n\n\t\tif ( listeners[ type ] === undefined ) {\n\n\t\t\tlisteners[ type ] = [];\n\n\t\t}\n\n\t\tif ( listeners[ type ].indexOf( listener ) === - 1 ) {\n\n\t\t\tlisteners[ type ].push( listener );\n\n\t\t}\n\n\t}\n\n\thasEventListener( type, listener ) {\n\n\t\tconst listeners = this._listeners;\n\n\t\tif ( listeners === undefined ) return false;\n\n\t\treturn listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1;\n\n\t}\n\n\tremoveEventListener( type, listener ) {\n\n\t\tconst listeners = this._listeners;\n\n\t\tif ( listeners === undefined ) return;\n\n\t\tconst listenerArray = listeners[ type ];\n\n\t\tif ( listenerArray !== undefined ) {\n\n\t\t\tconst index = listenerArray.indexOf( listener );\n\n\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\tlistenerArray.splice( index, 1 );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tdispatchEvent( event ) {\n\n\t\tconst listeners = this._listeners;\n\n\t\tif ( listeners === undefined ) return;\n\n\t\tconst listenerArray = listeners[ event.type ];\n\n\t\tif ( listenerArray !== undefined ) {\n\n\t\t\tevent.target = this;\n\n\t\t\t// Make a copy, in case listeners are removed while iterating.\n\t\t\tconst array = listenerArray.slice( 0 );\n\n\t\t\tfor ( let i = 0, l = array.length; i < l; i ++ ) {\n\n\t\t\t\tarray[ i ].call( this, event );\n\n\t\t\t}\n\n\t\t\tevent.target = null;\n\n\t\t}\n\n\t}\n\n}\n\nconst _lut = [ '00', '01', '02', '03', '04', '05', '06', '07', '08', '09', '0a', '0b', '0c', '0d', '0e', '0f', '10', '11', '12', '13', '14', '15', '16', '17', '18', '19', '1a', '1b', '1c', '1d', '1e', '1f', '20', '21', '22', '23', '24', '25', '26', '27', '28', '29', '2a', '2b', '2c', '2d', '2e', '2f', '30', '31', '32', '33', '34', '35', '36', '37', '38', '39', '3a', '3b', '3c', '3d', '3e', '3f', '40', '41', '42', '43', '44', '45', '46', '47', '48', '49', '4a', '4b', '4c', '4d', '4e', '4f', '50', '51', '52', '53', '54', '55', '56', '57', '58', '59', '5a', '5b', '5c', '5d', '5e', '5f', '60', '61', '62', '63', '64', '65', '66', '67', '68', '69', '6a', '6b', '6c', '6d', '6e', '6f', '70', '71', '72', '73', '74', '75', '76', '77', '78', '79', '7a', '7b', '7c', '7d', '7e', '7f', '80', '81', '82', '83', '84', '85', '86', '87', '88', '89', '8a', '8b', '8c', '8d', '8e', '8f', '90', '91', '92', '93', '94', '95', '96', '97', '98', '99', '9a', '9b', '9c', '9d', '9e', '9f', 'a0', 'a1', 'a2', 'a3', 'a4', 'a5', 'a6', 'a7', 'a8', 'a9', 'aa', 'ab', 'ac', 'ad', 'ae', 'af', 'b0', 'b1', 'b2', 'b3', 'b4', 'b5', 'b6', 'b7', 'b8', 'b9', 'ba', 'bb', 'bc', 'bd', 'be', 'bf', 'c0', 'c1', 'c2', 'c3', 'c4', 'c5', 'c6', 'c7', 'c8', 'c9', 'ca', 'cb', 'cc', 'cd', 'ce', 'cf', 'd0', 'd1', 'd2', 'd3', 'd4', 'd5', 'd6', 'd7', 'd8', 'd9', 'da', 'db', 'dc', 'dd', 'de', 'df', 'e0', 'e1', 'e2', 'e3', 'e4', 'e5', 'e6', 'e7', 'e8', 'e9', 'ea', 'eb', 'ec', 'ed', 'ee', 'ef', 'f0', 'f1', 'f2', 'f3', 'f4', 'f5', 'f6', 'f7', 'f8', 'f9', 'fa', 'fb', 'fc', 'fd', 'fe', 'ff' ];\n\nlet _seed = 1234567;\n\n\nconst DEG2RAD = Math.PI / 180;\nconst RAD2DEG = 180 / Math.PI;\n\n// http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/21963136#21963136\nfunction generateUUID() {\n\n\tconst d0 = Math.random() * 0xffffffff | 0;\n\tconst d1 = Math.random() * 0xffffffff | 0;\n\tconst d2 = Math.random() * 0xffffffff | 0;\n\tconst d3 = Math.random() * 0xffffffff | 0;\n\tconst uuid = _lut[ d0 & 0xff ] + _lut[ d0 >> 8 & 0xff ] + _lut[ d0 >> 16 & 0xff ] + _lut[ d0 >> 24 & 0xff ] + '-' +\n\t\t\t_lut[ d1 & 0xff ] + _lut[ d1 >> 8 & 0xff ] + '-' + _lut[ d1 >> 16 & 0x0f | 0x40 ] + _lut[ d1 >> 24 & 0xff ] + '-' +\n\t\t\t_lut[ d2 & 0x3f | 0x80 ] + _lut[ d2 >> 8 & 0xff ] + '-' + _lut[ d2 >> 16 & 0xff ] + _lut[ d2 >> 24 & 0xff ] +\n\t\t\t_lut[ d3 & 0xff ] + _lut[ d3 >> 8 & 0xff ] + _lut[ d3 >> 16 & 0xff ] + _lut[ d3 >> 24 & 0xff ];\n\n\t// .toLowerCase() here flattens concatenated strings to save heap memory space.\n\treturn uuid.toLowerCase();\n\n}\n\nfunction clamp( value, min, max ) {\n\n\treturn Math.max( min, Math.min( max, value ) );\n\n}\n\n// compute euclidean modulo of m % n\n// https://en.wikipedia.org/wiki/Modulo_operation\nfunction euclideanModulo( n, m ) {\n\n\treturn ( ( n % m ) + m ) % m;\n\n}\n\n// Linear mapping from range to range \nfunction mapLinear( x, a1, a2, b1, b2 ) {\n\n\treturn b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 );\n\n}\n\n// https://www.gamedev.net/tutorials/programming/general-and-gameplay-programming/inverse-lerp-a-super-useful-yet-often-overlooked-function-r5230/\nfunction inverseLerp( x, y, value ) {\n\n\tif ( x !== y ) {\n\n\t\treturn ( value - x ) / ( y - x );\n\n\t} else {\n\n\t\treturn 0;\n\n\t}\n\n}\n\n// https://en.wikipedia.org/wiki/Linear_interpolation\nfunction lerp( x, y, t ) {\n\n\treturn ( 1 - t ) * x + t * y;\n\n}\n\n// http://www.rorydriscoll.com/2016/03/07/frame-rate-independent-damping-using-lerp/\nfunction damp( x, y, lambda, dt ) {\n\n\treturn lerp( x, y, 1 - Math.exp( - lambda * dt ) );\n\n}\n\n// https://www.desmos.com/calculator/vcsjnyz7x4\nfunction pingpong( x, length = 1 ) {\n\n\treturn length - Math.abs( euclideanModulo( x, length * 2 ) - length );\n\n}\n\n// http://en.wikipedia.org/wiki/Smoothstep\nfunction smoothstep( x, min, max ) {\n\n\tif ( x <= min ) return 0;\n\tif ( x >= max ) return 1;\n\n\tx = ( x - min ) / ( max - min );\n\n\treturn x * x * ( 3 - 2 * x );\n\n}\n\nfunction smootherstep( x, min, max ) {\n\n\tif ( x <= min ) return 0;\n\tif ( x >= max ) return 1;\n\n\tx = ( x - min ) / ( max - min );\n\n\treturn x * x * x * ( x * ( x * 6 - 15 ) + 10 );\n\n}\n\n// Random integer from interval\nfunction randInt( low, high ) {\n\n\treturn low + Math.floor( Math.random() * ( high - low + 1 ) );\n\n}\n\n// Random float from interval\nfunction randFloat( low, high ) {\n\n\treturn low + Math.random() * ( high - low );\n\n}\n\n// Random float from <-range/2, range/2> interval\nfunction randFloatSpread( range ) {\n\n\treturn range * ( 0.5 - Math.random() );\n\n}\n\n// Deterministic pseudo-random float in the interval [ 0, 1 ]\nfunction seededRandom( s ) {\n\n\tif ( s !== undefined ) _seed = s;\n\n\t// Mulberry32 generator\n\n\tlet t = _seed += 0x6D2B79F5;\n\n\tt = Math.imul( t ^ t >>> 15, t | 1 );\n\n\tt ^= t + Math.imul( t ^ t >>> 7, t | 61 );\n\n\treturn ( ( t ^ t >>> 14 ) >>> 0 ) / 4294967296;\n\n}\n\nfunction degToRad( degrees ) {\n\n\treturn degrees * DEG2RAD;\n\n}\n\nfunction radToDeg( radians ) {\n\n\treturn radians * RAD2DEG;\n\n}\n\nfunction isPowerOfTwo( value ) {\n\n\treturn ( value & ( value - 1 ) ) === 0 && value !== 0;\n\n}\n\nfunction ceilPowerOfTwo( value ) {\n\n\treturn Math.pow( 2, Math.ceil( Math.log( value ) / Math.LN2 ) );\n\n}\n\nfunction floorPowerOfTwo( value ) {\n\n\treturn Math.pow( 2, Math.floor( Math.log( value ) / Math.LN2 ) );\n\n}\n\nfunction setQuaternionFromProperEuler( q, a, b, c, order ) {\n\n\t// Intrinsic Proper Euler Angles - see https://en.wikipedia.org/wiki/Euler_angles\n\n\t// rotations are applied to the axes in the order specified by 'order'\n\t// rotation by angle 'a' is applied first, then by angle 'b', then by angle 'c'\n\t// angles are in radians\n\n\tconst cos = Math.cos;\n\tconst sin = Math.sin;\n\n\tconst c2 = cos( b / 2 );\n\tconst s2 = sin( b / 2 );\n\n\tconst c13 = cos( ( a + c ) / 2 );\n\tconst s13 = sin( ( a + c ) / 2 );\n\n\tconst c1_3 = cos( ( a - c ) / 2 );\n\tconst s1_3 = sin( ( a - c ) / 2 );\n\n\tconst c3_1 = cos( ( c - a ) / 2 );\n\tconst s3_1 = sin( ( c - a ) / 2 );\n\n\tswitch ( order ) {\n\n\t\tcase 'XYX':\n\t\t\tq.set( c2 * s13, s2 * c1_3, s2 * s1_3, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'YZY':\n\t\t\tq.set( s2 * s1_3, c2 * s13, s2 * c1_3, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'ZXZ':\n\t\t\tq.set( s2 * c1_3, s2 * s1_3, c2 * s13, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'XZX':\n\t\t\tq.set( c2 * s13, s2 * s3_1, s2 * c3_1, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'YXY':\n\t\t\tq.set( s2 * c3_1, c2 * s13, s2 * s3_1, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'ZYZ':\n\t\t\tq.set( s2 * s3_1, s2 * c3_1, c2 * s13, c2 * c13 );\n\t\t\tbreak;\n\n\t\tdefault:\n\t\t\tconsole.warn( 'THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: ' + order );\n\n\t}\n\n}\n\nfunction denormalize( value, array ) {\n\n\tswitch ( array.constructor ) {\n\n\t\tcase Float32Array:\n\n\t\t\treturn value;\n\n\t\tcase Uint32Array:\n\n\t\t\treturn value / 4294967295.0;\n\n\t\tcase Uint16Array:\n\n\t\t\treturn value / 65535.0;\n\n\t\tcase Uint8Array:\n\n\t\t\treturn value / 255.0;\n\n\t\tcase Int32Array:\n\n\t\t\treturn Math.max( value / 2147483647.0, - 1.0 );\n\n\t\tcase Int16Array:\n\n\t\t\treturn Math.max( value / 32767.0, - 1.0 );\n\n\t\tcase Int8Array:\n\n\t\t\treturn Math.max( value / 127.0, - 1.0 );\n\n\t\tdefault:\n\n\t\t\tthrow new Error( 'Invalid component type.' );\n\n\t}\n\n}\n\nfunction normalize( value, array ) {\n\n\tswitch ( array.constructor ) {\n\n\t\tcase Float32Array:\n\n\t\t\treturn value;\n\n\t\tcase Uint32Array:\n\n\t\t\treturn Math.round( value * 4294967295.0 );\n\n\t\tcase Uint16Array:\n\n\t\t\treturn Math.round( value * 65535.0 );\n\n\t\tcase Uint8Array:\n\n\t\t\treturn Math.round( value * 255.0 );\n\n\t\tcase Int32Array:\n\n\t\t\treturn Math.round( value * 2147483647.0 );\n\n\t\tcase Int16Array:\n\n\t\t\treturn Math.round( value * 32767.0 );\n\n\t\tcase Int8Array:\n\n\t\t\treturn Math.round( value * 127.0 );\n\n\t\tdefault:\n\n\t\t\tthrow new Error( 'Invalid component type.' );\n\n\t}\n\n}\n\nconst MathUtils = {\n\tDEG2RAD: DEG2RAD,\n\tRAD2DEG: RAD2DEG,\n\tgenerateUUID: generateUUID,\n\tclamp: clamp,\n\teuclideanModulo: euclideanModulo,\n\tmapLinear: mapLinear,\n\tinverseLerp: inverseLerp,\n\tlerp: lerp,\n\tdamp: damp,\n\tpingpong: pingpong,\n\tsmoothstep: smoothstep,\n\tsmootherstep: smootherstep,\n\trandInt: randInt,\n\trandFloat: randFloat,\n\trandFloatSpread: randFloatSpread,\n\tseededRandom: seededRandom,\n\tdegToRad: degToRad,\n\tradToDeg: radToDeg,\n\tisPowerOfTwo: isPowerOfTwo,\n\tceilPowerOfTwo: ceilPowerOfTwo,\n\tfloorPowerOfTwo: floorPowerOfTwo,\n\tsetQuaternionFromProperEuler: setQuaternionFromProperEuler,\n\tnormalize: normalize,\n\tdenormalize: denormalize\n};\n\nclass Vector2 {\n\n\tconstructor( x = 0, y = 0 ) {\n\n\t\tVector2.prototype.isVector2 = true;\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\n\t}\n\n\tget width() {\n\n\t\treturn this.x;\n\n\t}\n\n\tset width( value ) {\n\n\t\tthis.x = value;\n\n\t}\n\n\tget height() {\n\n\t\treturn this.y;\n\n\t}\n\n\tset height( value ) {\n\n\t\tthis.y = value;\n\n\t}\n\n\tset( x, y ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y );\n\n\t}\n\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\n\t\treturn this;\n\n\t}\n\n\tadd( v ) {\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\n\t\treturn this;\n\n\t}\n\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\n\t\treturn this;\n\n\t}\n\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( v ) {\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\n\t\treturn this;\n\n\t}\n\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\n\t\treturn this;\n\n\t}\n\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( v ) {\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\tdivide( v ) {\n\n\t\tthis.x /= v.x;\n\t\tthis.y /= v.y;\n\n\t\treturn this;\n\n\t}\n\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tconst x = this.x, y = this.y;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ];\n\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ];\n\n\t\treturn this;\n\n\t}\n\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\n\t\treturn this;\n\n\t}\n\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\n\t\treturn this;\n\n\t}\n\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = clamp( this.x, min.x, max.x );\n\t\tthis.y = clamp( this.y, min.y, max.y );\n\n\t\treturn this;\n\n\t}\n\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = clamp( this.x, minVal, maxVal );\n\t\tthis.y = clamp( this.y, minVal, maxVal );\n\n\t\treturn this;\n\n\t}\n\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( clamp( length, min, max ) );\n\n\t}\n\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\n\t\treturn this;\n\n\t}\n\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\n\t\treturn this;\n\n\t}\n\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\n\t\treturn this;\n\n\t}\n\n\troundToZero() {\n\n\t\tthis.x = Math.trunc( this.x );\n\t\tthis.y = Math.trunc( this.y );\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y;\n\n\t}\n\n\tcross( v ) {\n\n\t\treturn this.x * v.y - this.y * v.x;\n\n\t}\n\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y );\n\n\t}\n\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y );\n\n\t}\n\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\tangle() {\n\n\t\t// computes the angle in radians with respect to the positive x-axis\n\n\t\tconst angle = Math.atan2( - this.y, - this.x ) + Math.PI;\n\n\t\treturn angle;\n\n\t}\n\n\tangleTo( v ) {\n\n\t\tconst denominator = Math.sqrt( this.lengthSq() * v.lengthSq() );\n\n\t\tif ( denominator === 0 ) return Math.PI / 2;\n\n\t\tconst theta = this.dot( v ) / denominator;\n\n\t\t// clamp, to handle numerical problems\n\n\t\treturn Math.acos( clamp( theta, - 1, 1 ) );\n\n\t}\n\n\tdistanceTo( v ) {\n\n\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t}\n\n\tdistanceToSquared( v ) {\n\n\t\tconst dx = this.x - v.x, dy = this.y - v.y;\n\t\treturn dx * dx + dy * dy;\n\n\t}\n\n\tmanhattanDistanceTo( v ) {\n\n\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y );\n\n\t}\n\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\n\t\treturn this;\n\n\t}\n\n\trotateAround( center, angle ) {\n\n\t\tconst c = Math.cos( angle ), s = Math.sin( angle );\n\n\t\tconst x = this.x - center.x;\n\t\tconst y = this.y - center.y;\n\n\t\tthis.x = x * c - y * s + center.x;\n\t\tthis.y = x * s + y * c + center.y;\n\n\t\treturn this;\n\n\t}\n\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\n\t\treturn this;\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.x;\n\t\tyield this.y;\n\n\t}\n\n}\n\nclass Matrix3 {\n\n\tconstructor( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) {\n\n\t\tMatrix3.prototype.isMatrix3 = true;\n\n\t\tthis.elements = [\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t];\n\n\t\tif ( n11 !== undefined ) {\n\n\t\t\tthis.set( n11, n12, n13, n21, n22, n23, n31, n32, n33 );\n\n\t\t}\n\n\t}\n\n\tset( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31;\n\t\tte[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32;\n\t\tte[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33;\n\n\t\treturn this;\n\n\t}\n\n\tidentity() {\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tcopy( m ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tte[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ];\n\t\tte[ 3 ] = me[ 3 ]; te[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ];\n\t\tte[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ]; te[ 8 ] = me[ 8 ];\n\n\t\treturn this;\n\n\t}\n\n\textractBasis( xAxis, yAxis, zAxis ) {\n\n\t\txAxis.setFromMatrix3Column( this, 0 );\n\t\tyAxis.setFromMatrix3Column( this, 1 );\n\t\tzAxis.setFromMatrix3Column( this, 2 );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrix4( m ) {\n\n\t\tconst me = m.elements;\n\n\t\tthis.set(\n\n\t\t\tme[ 0 ], me[ 4 ], me[ 8 ],\n\t\t\tme[ 1 ], me[ 5 ], me[ 9 ],\n\t\t\tme[ 2 ], me[ 6 ], me[ 10 ]\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( m ) {\n\n\t\treturn this.multiplyMatrices( this, m );\n\n\t}\n\n\tpremultiply( m ) {\n\n\t\treturn this.multiplyMatrices( m, this );\n\n\t}\n\n\tmultiplyMatrices( a, b ) {\n\n\t\tconst ae = a.elements;\n\t\tconst be = b.elements;\n\t\tconst te = this.elements;\n\n\t\tconst a11 = ae[ 0 ], a12 = ae[ 3 ], a13 = ae[ 6 ];\n\t\tconst a21 = ae[ 1 ], a22 = ae[ 4 ], a23 = ae[ 7 ];\n\t\tconst a31 = ae[ 2 ], a32 = ae[ 5 ], a33 = ae[ 8 ];\n\n\t\tconst b11 = be[ 0 ], b12 = be[ 3 ], b13 = be[ 6 ];\n\t\tconst b21 = be[ 1 ], b22 = be[ 4 ], b23 = be[ 7 ];\n\t\tconst b31 = be[ 2 ], b32 = be[ 5 ], b33 = be[ 8 ];\n\n\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31;\n\t\tte[ 3 ] = a11 * b12 + a12 * b22 + a13 * b32;\n\t\tte[ 6 ] = a11 * b13 + a12 * b23 + a13 * b33;\n\n\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31;\n\t\tte[ 4 ] = a21 * b12 + a22 * b22 + a23 * b32;\n\t\tte[ 7 ] = a21 * b13 + a22 * b23 + a23 * b33;\n\n\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31;\n\t\tte[ 5 ] = a31 * b12 + a32 * b22 + a33 * b32;\n\t\tte[ 8 ] = a31 * b13 + a32 * b23 + a33 * b33;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( s ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s;\n\t\tte[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s;\n\t\tte[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s;\n\n\t\treturn this;\n\n\t}\n\n\tdeterminant() {\n\n\t\tconst te = this.elements;\n\n\t\tconst a = te[ 0 ], b = te[ 1 ], c = te[ 2 ],\n\t\t\td = te[ 3 ], e = te[ 4 ], f = te[ 5 ],\n\t\t\tg = te[ 6 ], h = te[ 7 ], i = te[ 8 ];\n\n\t\treturn a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g;\n\n\t}\n\n\tinvert() {\n\n\t\tconst te = this.elements,\n\n\t\t\tn11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ],\n\t\t\tn12 = te[ 3 ], n22 = te[ 4 ], n32 = te[ 5 ],\n\t\t\tn13 = te[ 6 ], n23 = te[ 7 ], n33 = te[ 8 ],\n\n\t\t\tt11 = n33 * n22 - n32 * n23,\n\t\t\tt12 = n32 * n13 - n33 * n12,\n\t\t\tt13 = n23 * n12 - n22 * n13,\n\n\t\t\tdet = n11 * t11 + n21 * t12 + n31 * t13;\n\n\t\tif ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0 );\n\n\t\tconst detInv = 1 / det;\n\n\t\tte[ 0 ] = t11 * detInv;\n\t\tte[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv;\n\t\tte[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv;\n\n\t\tte[ 3 ] = t12 * detInv;\n\t\tte[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv;\n\t\tte[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv;\n\n\t\tte[ 6 ] = t13 * detInv;\n\t\tte[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv;\n\t\tte[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv;\n\n\t\treturn this;\n\n\t}\n\n\ttranspose() {\n\n\t\tlet tmp;\n\t\tconst m = this.elements;\n\n\t\ttmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp;\n\t\ttmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp;\n\t\ttmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp;\n\n\t\treturn this;\n\n\t}\n\n\tgetNormalMatrix( matrix4 ) {\n\n\t\treturn this.setFromMatrix4( matrix4 ).invert().transpose();\n\n\t}\n\n\ttransposeIntoArray( r ) {\n\n\t\tconst m = this.elements;\n\n\t\tr[ 0 ] = m[ 0 ];\n\t\tr[ 1 ] = m[ 3 ];\n\t\tr[ 2 ] = m[ 6 ];\n\t\tr[ 3 ] = m[ 1 ];\n\t\tr[ 4 ] = m[ 4 ];\n\t\tr[ 5 ] = m[ 7 ];\n\t\tr[ 6 ] = m[ 2 ];\n\t\tr[ 7 ] = m[ 5 ];\n\t\tr[ 8 ] = m[ 8 ];\n\n\t\treturn this;\n\n\t}\n\n\tsetUvTransform( tx, ty, sx, sy, rotation, cx, cy ) {\n\n\t\tconst c = Math.cos( rotation );\n\t\tconst s = Math.sin( rotation );\n\n\t\tthis.set(\n\t\t\tsx * c, sx * s, - sx * ( c * cx + s * cy ) + cx + tx,\n\t\t\t- sy * s, sy * c, - sy * ( - s * cx + c * cy ) + cy + ty,\n\t\t\t0, 0, 1\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\t//\n\n\tscale( sx, sy ) {\n\n\t\tthis.premultiply( _m3.makeScale( sx, sy ) );\n\n\t\treturn this;\n\n\t}\n\n\trotate( theta ) {\n\n\t\tthis.premultiply( _m3.makeRotation( - theta ) );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( tx, ty ) {\n\n\t\tthis.premultiply( _m3.makeTranslation( tx, ty ) );\n\n\t\treturn this;\n\n\t}\n\n\t// for 2D Transforms\n\n\tmakeTranslation( x, y ) {\n\n\t\tif ( x.isVector2 ) {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, x.x,\n\t\t\t\t0, 1, x.y,\n\t\t\t\t0, 0, 1\n\n\t\t\t);\n\n\t\t} else {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, x,\n\t\t\t\t0, 1, y,\n\t\t\t\t0, 0, 1\n\n\t\t\t);\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotation( theta ) {\n\n\t\t// counterclockwise\n\n\t\tconst c = Math.cos( theta );\n\t\tconst s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\tc, - s, 0,\n\t\t\ts, c, 0,\n\t\t\t0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeScale( x, y ) {\n\n\t\tthis.set(\n\n\t\t\tx, 0, 0,\n\t\t\t0, y, 0,\n\t\t\t0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\t//\n\n\tequals( matrix ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = matrix.elements;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst te = this.elements;\n\n\t\tarray[ offset ] = te[ 0 ];\n\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\tarray[ offset + 2 ] = te[ 2 ];\n\n\t\tarray[ offset + 3 ] = te[ 3 ];\n\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\tarray[ offset + 5 ] = te[ 5 ];\n\n\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\tarray[ offset + 7 ] = te[ 7 ];\n\t\tarray[ offset + 8 ] = te[ 8 ];\n\n\t\treturn array;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().fromArray( this.elements );\n\n\t}\n\n}\n\nconst _m3 = /*@__PURE__*/ new Matrix3();\n\nfunction arrayNeedsUint32( array ) {\n\n\t// assumes larger values usually on last\n\n\tfor ( let i = array.length - 1; i >= 0; -- i ) {\n\n\t\tif ( array[ i ] >= 65535 ) return true; // account for PRIMITIVE_RESTART_FIXED_INDEX, #24565\n\n\t}\n\n\treturn false;\n\n}\n\nconst TYPED_ARRAYS = {\n\tInt8Array: Int8Array,\n\tUint8Array: Uint8Array,\n\tUint8ClampedArray: Uint8ClampedArray,\n\tInt16Array: Int16Array,\n\tUint16Array: Uint16Array,\n\tInt32Array: Int32Array,\n\tUint32Array: Uint32Array,\n\tFloat32Array: Float32Array,\n\tFloat64Array: Float64Array\n};\n\nfunction getTypedArray( type, buffer ) {\n\n\treturn new TYPED_ARRAYS[ type ]( buffer );\n\n}\n\nfunction createElementNS( name ) {\n\n\treturn document.createElementNS( 'http://www.w3.org/1999/xhtml', name );\n\n}\n\nfunction createCanvasElement() {\n\n\tconst canvas = createElementNS( 'canvas' );\n\tcanvas.style.display = 'block';\n\treturn canvas;\n\n}\n\nconst _cache = {};\n\nfunction warnOnce( message ) {\n\n\tif ( message in _cache ) return;\n\n\t_cache[ message ] = true;\n\n\tconsole.warn( message );\n\n}\n\nfunction probeAsync( gl, sync, interval ) {\n\n\treturn new Promise( function ( resolve, reject ) {\n\n\t\tfunction probe() {\n\n\t\t\tswitch ( gl.clientWaitSync( sync, gl.SYNC_FLUSH_COMMANDS_BIT, 0 ) ) {\n\n\t\t\t\tcase gl.WAIT_FAILED:\n\t\t\t\t\treject();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase gl.TIMEOUT_EXPIRED:\n\t\t\t\t\tsetTimeout( probe, interval );\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\t\t\t\t\tresolve();\n\n\t\t\t}\n\n\t\t}\n\n\t\tsetTimeout( probe, interval );\n\n\t} );\n\n}\n\nfunction toNormalizedProjectionMatrix( projectionMatrix ) {\n\n\tconst m = projectionMatrix.elements;\n\n\t// Convert [-1, 1] to [0, 1] projection matrix\n\tm[ 2 ] = 0.5 * m[ 2 ] + 0.5 * m[ 3 ];\n\tm[ 6 ] = 0.5 * m[ 6 ] + 0.5 * m[ 7 ];\n\tm[ 10 ] = 0.5 * m[ 10 ] + 0.5 * m[ 11 ];\n\tm[ 14 ] = 0.5 * m[ 14 ] + 0.5 * m[ 15 ];\n\n}\n\nfunction toReversedProjectionMatrix( projectionMatrix ) {\n\n\tconst m = projectionMatrix.elements;\n\tconst isPerspectiveMatrix = m[ 11 ] === - 1;\n\n\t// Reverse [0, 1] projection matrix\n\tif ( isPerspectiveMatrix ) {\n\n\t\tm[ 10 ] = - m[ 10 ] - 1;\n\t\tm[ 14 ] = - m[ 14 ];\n\n\t} else {\n\n\t\tm[ 10 ] = - m[ 10 ];\n\t\tm[ 14 ] = - m[ 14 ] + 1;\n\n\t}\n\n}\n\nconst LINEAR_REC709_TO_XYZ = /*@__PURE__*/ new Matrix3().set(\n\t0.4123908, 0.3575843, 0.1804808,\n\t0.2126390, 0.7151687, 0.0721923,\n\t0.0193308, 0.1191948, 0.9505322\n);\n\nconst XYZ_TO_LINEAR_REC709 = /*@__PURE__*/ new Matrix3().set(\n\t3.2409699, - 1.5373832, - 0.4986108,\n\t- 0.9692436, 1.8759675, 0.0415551,\n\t0.0556301, - 0.2039770, 1.0569715\n);\n\nfunction createColorManagement() {\n\n\tconst ColorManagement = {\n\n\t\tenabled: true,\n\n\t\tworkingColorSpace: LinearSRGBColorSpace,\n\n\t\t/**\n\t\t * Implementations of supported color spaces.\n\t\t *\n\t\t * Required:\n\t\t *\t- primaries: chromaticity coordinates [ rx ry gx gy bx by ]\n\t\t *\t- whitePoint: reference white [ x y ]\n\t\t *\t- transfer: transfer function (pre-defined)\n\t\t *\t- toXYZ: Matrix3 RGB to XYZ transform\n\t\t *\t- fromXYZ: Matrix3 XYZ to RGB transform\n\t\t *\t- luminanceCoefficients: RGB luminance coefficients\n\t\t *\n\t\t * Optional:\n\t\t * - outputColorSpaceConfig: { drawingBufferColorSpace: ColorSpace }\n\t\t * - workingColorSpaceConfig: { unpackColorSpace: ColorSpace }\n\t\t *\n\t\t * Reference:\n\t\t * - https://www.russellcottrell.com/photo/matrixCalculator.htm\n\t\t */\n\t\tspaces: {},\n\n\t\tconvert: function ( color, sourceColorSpace, targetColorSpace ) {\n\n\t\t\tif ( this.enabled === false || sourceColorSpace === targetColorSpace || ! sourceColorSpace || ! targetColorSpace ) {\n\n\t\t\t\treturn color;\n\n\t\t\t}\n\n\t\t\tif ( this.spaces[ sourceColorSpace ].transfer === SRGBTransfer ) {\n\n\t\t\t\tcolor.r = SRGBToLinear( color.r );\n\t\t\t\tcolor.g = SRGBToLinear( color.g );\n\t\t\t\tcolor.b = SRGBToLinear( color.b );\n\n\t\t\t}\n\n\t\t\tif ( this.spaces[ sourceColorSpace ].primaries !== this.spaces[ targetColorSpace ].primaries ) {\n\n\t\t\t\tcolor.applyMatrix3( this.spaces[ sourceColorSpace ].toXYZ );\n\t\t\t\tcolor.applyMatrix3( this.spaces[ targetColorSpace ].fromXYZ );\n\n\t\t\t}\n\n\t\t\tif ( this.spaces[ targetColorSpace ].transfer === SRGBTransfer ) {\n\n\t\t\t\tcolor.r = LinearToSRGB( color.r );\n\t\t\t\tcolor.g = LinearToSRGB( color.g );\n\t\t\t\tcolor.b = LinearToSRGB( color.b );\n\n\t\t\t}\n\n\t\t\treturn color;\n\n\t\t},\n\n\t\tfromWorkingColorSpace: function ( color, targetColorSpace ) {\n\n\t\t\treturn this.convert( color, this.workingColorSpace, targetColorSpace );\n\n\t\t},\n\n\t\ttoWorkingColorSpace: function ( color, sourceColorSpace ) {\n\n\t\t\treturn this.convert( color, sourceColorSpace, this.workingColorSpace );\n\n\t\t},\n\n\t\tgetPrimaries: function ( colorSpace ) {\n\n\t\t\treturn this.spaces[ colorSpace ].primaries;\n\n\t\t},\n\n\t\tgetTransfer: function ( colorSpace ) {\n\n\t\t\tif ( colorSpace === NoColorSpace ) return LinearTransfer;\n\n\t\t\treturn this.spaces[ colorSpace ].transfer;\n\n\t\t},\n\n\t\tgetLuminanceCoefficients: function ( target, colorSpace = this.workingColorSpace ) {\n\n\t\t\treturn target.fromArray( this.spaces[ colorSpace ].luminanceCoefficients );\n\n\t\t},\n\n\t\tdefine: function ( colorSpaces ) {\n\n\t\t\tObject.assign( this.spaces, colorSpaces );\n\n\t\t},\n\n\t\t// Internal APIs\n\n\t\t_getMatrix: function ( targetMatrix, sourceColorSpace, targetColorSpace ) {\n\n\t\t\treturn targetMatrix\n\t\t\t\t.copy( this.spaces[ sourceColorSpace ].toXYZ )\n\t\t\t\t.multiply( this.spaces[ targetColorSpace ].fromXYZ );\n\n\t\t},\n\n\t\t_getDrawingBufferColorSpace: function ( colorSpace ) {\n\n\t\t\treturn this.spaces[ colorSpace ].outputColorSpaceConfig.drawingBufferColorSpace;\n\n\t\t},\n\n\t\t_getUnpackColorSpace: function ( colorSpace = this.workingColorSpace ) {\n\n\t\t\treturn this.spaces[ colorSpace ].workingColorSpaceConfig.unpackColorSpace;\n\n\t\t}\n\n\t};\n\n\t/******************************************************************************\n\t * sRGB definitions\n\t */\n\n\tconst REC709_PRIMARIES = [ 0.640, 0.330, 0.300, 0.600, 0.150, 0.060 ];\n\tconst REC709_LUMINANCE_COEFFICIENTS = [ 0.2126, 0.7152, 0.0722 ];\n\tconst D65 = [ 0.3127, 0.3290 ];\n\n\tColorManagement.define( {\n\n\t\t[ LinearSRGBColorSpace ]: {\n\t\t\tprimaries: REC709_PRIMARIES,\n\t\t\twhitePoint: D65,\n\t\t\ttransfer: LinearTransfer,\n\t\t\ttoXYZ: LINEAR_REC709_TO_XYZ,\n\t\t\tfromXYZ: XYZ_TO_LINEAR_REC709,\n\t\t\tluminanceCoefficients: REC709_LUMINANCE_COEFFICIENTS,\n\t\t\tworkingColorSpaceConfig: { unpackColorSpace: SRGBColorSpace },\n\t\t\toutputColorSpaceConfig: { drawingBufferColorSpace: SRGBColorSpace }\n\t\t},\n\n\t\t[ SRGBColorSpace ]: {\n\t\t\tprimaries: REC709_PRIMARIES,\n\t\t\twhitePoint: D65,\n\t\t\ttransfer: SRGBTransfer,\n\t\t\ttoXYZ: LINEAR_REC709_TO_XYZ,\n\t\t\tfromXYZ: XYZ_TO_LINEAR_REC709,\n\t\t\tluminanceCoefficients: REC709_LUMINANCE_COEFFICIENTS,\n\t\t\toutputColorSpaceConfig: { drawingBufferColorSpace: SRGBColorSpace }\n\t\t},\n\n\t} );\n\n\treturn ColorManagement;\n\n}\n\nconst ColorManagement = /*@__PURE__*/ createColorManagement();\n\nfunction SRGBToLinear( c ) {\n\n\treturn ( c < 0.04045 ) ? c * 0.0773993808 : Math.pow( c * 0.9478672986 + 0.0521327014, 2.4 );\n\n}\n\nfunction LinearToSRGB( c ) {\n\n\treturn ( c < 0.0031308 ) ? c * 12.92 : 1.055 * ( Math.pow( c, 0.41666 ) ) - 0.055;\n\n}\n\nlet _canvas;\n\nclass ImageUtils {\n\n\tstatic getDataURL( image ) {\n\n\t\tif ( /^data:/i.test( image.src ) ) {\n\n\t\t\treturn image.src;\n\n\t\t}\n\n\t\tif ( typeof HTMLCanvasElement === 'undefined' ) {\n\n\t\t\treturn image.src;\n\n\t\t}\n\n\t\tlet canvas;\n\n\t\tif ( image instanceof HTMLCanvasElement ) {\n\n\t\t\tcanvas = image;\n\n\t\t} else {\n\n\t\t\tif ( _canvas === undefined ) _canvas = createElementNS( 'canvas' );\n\n\t\t\t_canvas.width = image.width;\n\t\t\t_canvas.height = image.height;\n\n\t\t\tconst context = _canvas.getContext( '2d' );\n\n\t\t\tif ( image instanceof ImageData ) {\n\n\t\t\t\tcontext.putImageData( image, 0, 0 );\n\n\t\t\t} else {\n\n\t\t\t\tcontext.drawImage( image, 0, 0, image.width, image.height );\n\n\t\t\t}\n\n\t\t\tcanvas = _canvas;\n\n\t\t}\n\n\t\treturn canvas.toDataURL( 'image/png' );\n\n\t}\n\n\tstatic sRGBToLinear( image ) {\n\n\t\tif ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) ||\n\t\t\t( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) ||\n\t\t\t( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) {\n\n\t\t\tconst canvas = createElementNS( 'canvas' );\n\n\t\t\tcanvas.width = image.width;\n\t\t\tcanvas.height = image.height;\n\n\t\t\tconst context = canvas.getContext( '2d' );\n\t\t\tcontext.drawImage( image, 0, 0, image.width, image.height );\n\n\t\t\tconst imageData = context.getImageData( 0, 0, image.width, image.height );\n\t\t\tconst data = imageData.data;\n\n\t\t\tfor ( let i = 0; i < data.length; i ++ ) {\n\n\t\t\t\tdata[ i ] = SRGBToLinear( data[ i ] / 255 ) * 255;\n\n\t\t\t}\n\n\t\t\tcontext.putImageData( imageData, 0, 0 );\n\n\t\t\treturn canvas;\n\n\t\t} else if ( image.data ) {\n\n\t\t\tconst data = image.data.slice( 0 );\n\n\t\t\tfor ( let i = 0; i < data.length; i ++ ) {\n\n\t\t\t\tif ( data instanceof Uint8Array || data instanceof Uint8ClampedArray ) {\n\n\t\t\t\t\tdata[ i ] = Math.floor( SRGBToLinear( data[ i ] / 255 ) * 255 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// assuming float\n\n\t\t\t\t\tdata[ i ] = SRGBToLinear( data[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\tdata: data,\n\t\t\t\twidth: image.width,\n\t\t\t\theight: image.height\n\t\t\t};\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied.' );\n\t\t\treturn image;\n\n\t\t}\n\n\t}\n\n}\n\nlet _sourceId = 0;\n\nclass Source {\n\n\tconstructor( data = null ) {\n\n\t\tthis.isSource = true;\n\n\t\tObject.defineProperty( this, 'id', { value: _sourceId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.data = data;\n\t\tthis.dataReady = true;\n\n\t\tthis.version = 0;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tif ( ! isRootObject && meta.images[ this.uuid ] !== undefined ) {\n\n\t\t\treturn meta.images[ this.uuid ];\n\n\t\t}\n\n\t\tconst output = {\n\t\t\tuuid: this.uuid,\n\t\t\turl: ''\n\t\t};\n\n\t\tconst data = this.data;\n\n\t\tif ( data !== null ) {\n\n\t\t\tlet url;\n\n\t\t\tif ( Array.isArray( data ) ) {\n\n\t\t\t\t// cube texture\n\n\t\t\t\turl = [];\n\n\t\t\t\tfor ( let i = 0, l = data.length; i < l; i ++ ) {\n\n\t\t\t\t\tif ( data[ i ].isDataTexture ) {\n\n\t\t\t\t\t\turl.push( serializeImage( data[ i ].image ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\turl.push( serializeImage( data[ i ] ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// texture\n\n\t\t\t\turl = serializeImage( data );\n\n\t\t\t}\n\n\t\t\toutput.url = url;\n\n\t\t}\n\n\t\tif ( ! isRootObject ) {\n\n\t\t\tmeta.images[ this.uuid ] = output;\n\n\t\t}\n\n\t\treturn output;\n\n\t}\n\n}\n\nfunction serializeImage( image ) {\n\n\tif ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) ||\n\t\t( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) ||\n\t\t( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) {\n\n\t\t// default images\n\n\t\treturn ImageUtils.getDataURL( image );\n\n\t} else {\n\n\t\tif ( image.data ) {\n\n\t\t\t// images of DataTexture\n\n\t\t\treturn {\n\t\t\t\tdata: Array.from( image.data ),\n\t\t\t\twidth: image.width,\n\t\t\t\theight: image.height,\n\t\t\t\ttype: image.data.constructor.name\n\t\t\t};\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.Texture: Unable to serialize Texture.' );\n\t\t\treturn {};\n\n\t\t}\n\n\t}\n\n}\n\nlet _textureId = 0;\n\nclass Texture extends EventDispatcher {\n\n\tconstructor( image = Texture.DEFAULT_IMAGE, mapping = Texture.DEFAULT_MAPPING, wrapS = ClampToEdgeWrapping, wrapT = ClampToEdgeWrapping, magFilter = LinearFilter, minFilter = LinearMipmapLinearFilter, format = RGBAFormat, type = UnsignedByteType, anisotropy = Texture.DEFAULT_ANISOTROPY, colorSpace = NoColorSpace ) {\n\n\t\tsuper();\n\n\t\tthis.isTexture = true;\n\n\t\tObject.defineProperty( this, 'id', { value: _textureId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\n\t\tthis.source = new Source( image );\n\t\tthis.mipmaps = [];\n\n\t\tthis.mapping = mapping;\n\t\tthis.channel = 0;\n\n\t\tthis.wrapS = wrapS;\n\t\tthis.wrapT = wrapT;\n\n\t\tthis.magFilter = magFilter;\n\t\tthis.minFilter = minFilter;\n\n\t\tthis.anisotropy = anisotropy;\n\n\t\tthis.format = format;\n\t\tthis.internalFormat = null;\n\t\tthis.type = type;\n\n\t\tthis.offset = new Vector2( 0, 0 );\n\t\tthis.repeat = new Vector2( 1, 1 );\n\t\tthis.center = new Vector2( 0, 0 );\n\t\tthis.rotation = 0;\n\n\t\tthis.matrixAutoUpdate = true;\n\t\tthis.matrix = new Matrix3();\n\n\t\tthis.generateMipmaps = true;\n\t\tthis.premultiplyAlpha = false;\n\t\tthis.flipY = true;\n\t\tthis.unpackAlignment = 4;\t// valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml)\n\n\t\tthis.colorSpace = colorSpace;\n\n\t\tthis.userData = {};\n\n\t\tthis.version = 0;\n\t\tthis.onUpdate = null;\n\n\t\tthis.renderTarget = null; // assign texture to a render target\n\t\tthis.isRenderTargetTexture = false; // indicates whether a texture belongs to a render target or not\n\t\tthis.pmremVersion = 0; // indicates whether this texture should be processed by PMREMGenerator or not (only relevant for render target textures)\n\n\t}\n\n\tget image() {\n\n\t\treturn this.source.data;\n\n\t}\n\n\tset image( value = null ) {\n\n\t\tthis.source.data = value;\n\n\t}\n\n\tupdateMatrix() {\n\n\t\tthis.matrix.setUvTransform( this.offset.x, this.offset.y, this.repeat.x, this.repeat.y, this.rotation, this.center.x, this.center.y );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.source = source.source;\n\t\tthis.mipmaps = source.mipmaps.slice( 0 );\n\n\t\tthis.mapping = source.mapping;\n\t\tthis.channel = source.channel;\n\n\t\tthis.wrapS = source.wrapS;\n\t\tthis.wrapT = source.wrapT;\n\n\t\tthis.magFilter = source.magFilter;\n\t\tthis.minFilter = source.minFilter;\n\n\t\tthis.anisotropy = source.anisotropy;\n\n\t\tthis.format = source.format;\n\t\tthis.internalFormat = source.internalFormat;\n\t\tthis.type = source.type;\n\n\t\tthis.offset.copy( source.offset );\n\t\tthis.repeat.copy( source.repeat );\n\t\tthis.center.copy( source.center );\n\t\tthis.rotation = source.rotation;\n\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\t\tthis.matrix.copy( source.matrix );\n\n\t\tthis.generateMipmaps = source.generateMipmaps;\n\t\tthis.premultiplyAlpha = source.premultiplyAlpha;\n\t\tthis.flipY = source.flipY;\n\t\tthis.unpackAlignment = source.unpackAlignment;\n\t\tthis.colorSpace = source.colorSpace;\n\n\t\tthis.renderTarget = source.renderTarget;\n\t\tthis.isRenderTargetTexture = source.isRenderTargetTexture;\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\tthis.needsUpdate = true;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tif ( ! isRootObject && meta.textures[ this.uuid ] !== undefined ) {\n\n\t\t\treturn meta.textures[ this.uuid ];\n\n\t\t}\n\n\t\tconst output = {\n\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.6,\n\t\t\t\ttype: 'Texture',\n\t\t\t\tgenerator: 'Texture.toJSON'\n\t\t\t},\n\n\t\t\tuuid: this.uuid,\n\t\t\tname: this.name,\n\n\t\t\timage: this.source.toJSON( meta ).uuid,\n\n\t\t\tmapping: this.mapping,\n\t\t\tchannel: this.channel,\n\n\t\t\trepeat: [ this.repeat.x, this.repeat.y ],\n\t\t\toffset: [ this.offset.x, this.offset.y ],\n\t\t\tcenter: [ this.center.x, this.center.y ],\n\t\t\trotation: this.rotation,\n\n\t\t\twrap: [ this.wrapS, this.wrapT ],\n\n\t\t\tformat: this.format,\n\t\t\tinternalFormat: this.internalFormat,\n\t\t\ttype: this.type,\n\t\t\tcolorSpace: this.colorSpace,\n\n\t\t\tminFilter: this.minFilter,\n\t\t\tmagFilter: this.magFilter,\n\t\t\tanisotropy: this.anisotropy,\n\n\t\t\tflipY: this.flipY,\n\n\t\t\tgenerateMipmaps: this.generateMipmaps,\n\t\t\tpremultiplyAlpha: this.premultiplyAlpha,\n\t\t\tunpackAlignment: this.unpackAlignment\n\n\t\t};\n\n\t\tif ( Object.keys( this.userData ).length > 0 ) output.userData = this.userData;\n\n\t\tif ( ! isRootObject ) {\n\n\t\t\tmeta.textures[ this.uuid ] = output;\n\n\t\t}\n\n\t\treturn output;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n\ttransformUv( uv ) {\n\n\t\tif ( this.mapping !== UVMapping ) return uv;\n\n\t\tuv.applyMatrix3( this.matrix );\n\n\t\tif ( uv.x < 0 || uv.x > 1 ) {\n\n\t\t\tswitch ( this.wrapS ) {\n\n\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\tuv.x = uv.x < 0 ? 0 : 1;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\tif ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\tuv.x = Math.ceil( uv.x ) - uv.x;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( uv.y < 0 || uv.y > 1 ) {\n\n\t\t\tswitch ( this.wrapT ) {\n\n\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\tuv.y = uv.y < 0 ? 0 : 1;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\tif ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\tuv.y = Math.ceil( uv.y ) - uv.y;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.flipY ) {\n\n\t\t\tuv.y = 1 - uv.y;\n\n\t\t}\n\n\t\treturn uv;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) {\n\n\t\t\tthis.version ++;\n\t\t\tthis.source.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n\tset needsPMREMUpdate( value ) {\n\n\t\tif ( value === true ) {\n\n\t\t\tthis.pmremVersion ++;\n\n\t\t}\n\n\t}\n\n}\n\nTexture.DEFAULT_IMAGE = null;\nTexture.DEFAULT_MAPPING = UVMapping;\nTexture.DEFAULT_ANISOTROPY = 1;\n\nclass Vector4 {\n\n\tconstructor( x = 0, y = 0, z = 0, w = 1 ) {\n\n\t\tVector4.prototype.isVector4 = true;\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\t\tthis.w = w;\n\n\t}\n\n\tget width() {\n\n\t\treturn this.z;\n\n\t}\n\n\tset width( value ) {\n\n\t\tthis.z = value;\n\n\t}\n\n\tget height() {\n\n\t\treturn this.w;\n\n\t}\n\n\tset height( value ) {\n\n\t\tthis.w = value;\n\n\t}\n\n\tset( x, y, z, w ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\t\tthis.w = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\t\tthis.z = scalar;\n\t\tthis.w = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetZ( z ) {\n\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetW( w ) {\n\n\t\tthis.w = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tcase 2: this.z = value; break;\n\t\t\tcase 3: this.w = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tcase 2: return this.z;\n\t\t\tcase 3: return this.w;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y, this.z, this.w );\n\n\t}\n\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\t\tthis.z = v.z;\n\t\tthis.w = ( v.w !== undefined ) ? v.w : 1;\n\n\t\treturn this;\n\n\t}\n\n\tadd( v ) {\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\t\tthis.z += v.z;\n\t\tthis.w += v.w;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\t\tthis.z += s;\n\t\tthis.w += s;\n\n\t\treturn this;\n\n\t}\n\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\t\tthis.z = a.z + b.z;\n\t\tthis.w = a.w + b.w;\n\n\t\treturn this;\n\n\t}\n\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\t\tthis.z += v.z * s;\n\t\tthis.w += v.w * s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( v ) {\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\t\tthis.z -= v.z;\n\t\tthis.w -= v.w;\n\n\t\treturn this;\n\n\t}\n\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\t\tthis.z -= s;\n\t\tthis.w -= s;\n\n\t\treturn this;\n\n\t}\n\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\t\tthis.z = a.z - b.z;\n\t\tthis.w = a.w - b.w;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( v ) {\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\t\tthis.z *= v.z;\n\t\tthis.w *= v.w;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\t\tthis.z *= scalar;\n\t\tthis.w *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z, w = this.w;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w;\n\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w;\n\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w;\n\t\tthis.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w;\n\n\t\treturn this;\n\n\t}\n\n\tdivide( v ) {\n\n\t\tthis.x /= v.x;\n\t\tthis.y /= v.y;\n\t\tthis.z /= v.z;\n\t\tthis.w /= v.w;\n\n\t\treturn this;\n\n\t}\n\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\tsetAxisAngleFromQuaternion( q ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm\n\n\t\t// q is assumed to be normalized\n\n\t\tthis.w = 2 * Math.acos( q.w );\n\n\t\tconst s = Math.sqrt( 1 - q.w * q.w );\n\n\t\tif ( s < 0.0001 ) {\n\n\t\t\tthis.x = 1;\n\t\t\tthis.y = 0;\n\t\t\tthis.z = 0;\n\n\t\t} else {\n\n\t\t\tthis.x = q.x / s;\n\t\t\tthis.y = q.y / s;\n\t\t\tthis.z = q.z / s;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetAxisAngleFromRotationMatrix( m ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tlet angle, x, y, z; // variables for result\n\t\tconst epsilon = 0.01,\t\t// margin to allow for rounding errors\n\t\t\tepsilon2 = 0.1,\t\t// margin to distinguish between 0 and 180 degrees\n\n\t\t\tte = m.elements,\n\n\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\tif ( ( Math.abs( m12 - m21 ) < epsilon ) &&\n\t\t ( Math.abs( m13 - m31 ) < epsilon ) &&\n\t\t ( Math.abs( m23 - m32 ) < epsilon ) ) {\n\n\t\t\t// singularity found\n\t\t\t// first check for identity matrix which must have +1 for all terms\n\t\t\t// in leading diagonal and zero in other terms\n\n\t\t\tif ( ( Math.abs( m12 + m21 ) < epsilon2 ) &&\n\t\t\t ( Math.abs( m13 + m31 ) < epsilon2 ) &&\n\t\t\t ( Math.abs( m23 + m32 ) < epsilon2 ) &&\n\t\t\t ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) {\n\n\t\t\t\t// this singularity is identity matrix so angle = 0\n\n\t\t\t\tthis.set( 1, 0, 0, 0 );\n\n\t\t\t\treturn this; // zero angle, arbitrary axis\n\n\t\t\t}\n\n\t\t\t// otherwise this singularity is angle = 180\n\n\t\t\tangle = Math.PI;\n\n\t\t\tconst xx = ( m11 + 1 ) / 2;\n\t\t\tconst yy = ( m22 + 1 ) / 2;\n\t\t\tconst zz = ( m33 + 1 ) / 2;\n\t\t\tconst xy = ( m12 + m21 ) / 4;\n\t\t\tconst xz = ( m13 + m31 ) / 4;\n\t\t\tconst yz = ( m23 + m32 ) / 4;\n\n\t\t\tif ( ( xx > yy ) && ( xx > zz ) ) {\n\n\t\t\t\t// m11 is the largest diagonal term\n\n\t\t\t\tif ( xx < epsilon ) {\n\n\t\t\t\t\tx = 0;\n\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tx = Math.sqrt( xx );\n\t\t\t\t\ty = xy / x;\n\t\t\t\t\tz = xz / x;\n\n\t\t\t\t}\n\n\t\t\t} else if ( yy > zz ) {\n\n\t\t\t\t// m22 is the largest diagonal term\n\n\t\t\t\tif ( yy < epsilon ) {\n\n\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\ty = 0;\n\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t} else {\n\n\t\t\t\t\ty = Math.sqrt( yy );\n\t\t\t\t\tx = xy / y;\n\t\t\t\t\tz = yz / y;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// m33 is the largest diagonal term so base result on this\n\n\t\t\t\tif ( zz < epsilon ) {\n\n\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\tz = 0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tz = Math.sqrt( zz );\n\t\t\t\t\tx = xz / z;\n\t\t\t\t\ty = yz / z;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.set( x, y, z, angle );\n\n\t\t\treturn this; // return 180 deg rotation\n\n\t\t}\n\n\t\t// as we have reached here there are no singularities so we can handle normally\n\n\t\tlet s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) +\n\t\t\t( m13 - m31 ) * ( m13 - m31 ) +\n\t\t\t( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize\n\n\t\tif ( Math.abs( s ) < 0.001 ) s = 1;\n\n\t\t// prevent divide by zero, should not happen if matrix is orthogonal and should be\n\t\t// caught by singularity test above, but I've left it in just in case\n\n\t\tthis.x = ( m32 - m23 ) / s;\n\t\tthis.y = ( m13 - m31 ) / s;\n\t\tthis.z = ( m21 - m12 ) / s;\n\t\tthis.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixPosition( m ) {\n\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 12 ];\n\t\tthis.y = e[ 13 ];\n\t\tthis.z = e[ 14 ];\n\t\tthis.w = e[ 15 ];\n\n\t\treturn this;\n\n\t}\n\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\t\tthis.z = Math.min( this.z, v.z );\n\t\tthis.w = Math.min( this.w, v.w );\n\n\t\treturn this;\n\n\t}\n\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\t\tthis.z = Math.max( this.z, v.z );\n\t\tthis.w = Math.max( this.w, v.w );\n\n\t\treturn this;\n\n\t}\n\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = clamp( this.x, min.x, max.x );\n\t\tthis.y = clamp( this.y, min.y, max.y );\n\t\tthis.z = clamp( this.z, min.z, max.z );\n\t\tthis.w = clamp( this.w, min.w, max.w );\n\n\t\treturn this;\n\n\t}\n\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = clamp( this.x, minVal, maxVal );\n\t\tthis.y = clamp( this.y, minVal, maxVal );\n\t\tthis.z = clamp( this.z, minVal, maxVal );\n\t\tthis.w = clamp( this.w, minVal, maxVal );\n\n\t\treturn this;\n\n\t}\n\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( clamp( length, min, max ) );\n\n\t}\n\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\t\tthis.z = Math.floor( this.z );\n\t\tthis.w = Math.floor( this.w );\n\n\t\treturn this;\n\n\t}\n\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\t\tthis.z = Math.ceil( this.z );\n\t\tthis.w = Math.ceil( this.w );\n\n\t\treturn this;\n\n\t}\n\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\t\tthis.z = Math.round( this.z );\n\t\tthis.w = Math.round( this.w );\n\n\t\treturn this;\n\n\t}\n\n\troundToZero() {\n\n\t\tthis.x = Math.trunc( this.x );\n\t\tthis.y = Math.trunc( this.y );\n\t\tthis.z = Math.trunc( this.z );\n\t\tthis.w = Math.trunc( this.w );\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\t\tthis.z = - this.z;\n\t\tthis.w = - this.w;\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w;\n\n\t}\n\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w );\n\n\t}\n\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w );\n\n\t}\n\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\tthis.z += ( v.z - this.z ) * alpha;\n\t\tthis.w += ( v.w - this.w ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\t\tthis.z = v1.z + ( v2.z - v1.z ) * alpha;\n\t\tthis.w = v1.w + ( v2.w - v1.w ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\t\tthis.z = array[ offset + 2 ];\n\t\tthis.w = array[ offset + 3 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\t\tarray[ offset + 2 ] = this.z;\n\t\tarray[ offset + 3 ] = this.w;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\t\tthis.z = attribute.getZ( index );\n\t\tthis.w = attribute.getW( index );\n\n\t\treturn this;\n\n\t}\n\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\t\tthis.z = Math.random();\n\t\tthis.w = Math.random();\n\n\t\treturn this;\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.x;\n\t\tyield this.y;\n\t\tyield this.z;\n\t\tyield this.w;\n\n\t}\n\n}\n\n/*\n In options, we can specify:\n * Texture parameters for an auto-generated target texture\n * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers\n*/\nclass RenderTarget extends EventDispatcher {\n\n\tconstructor( width = 1, height = 1, options = {} ) {\n\n\t\tsuper();\n\n\t\tthis.isRenderTarget = true;\n\n\t\tthis.width = width;\n\t\tthis.height = height;\n\t\tthis.depth = 1;\n\n\t\tthis.scissor = new Vector4( 0, 0, width, height );\n\t\tthis.scissorTest = false;\n\n\t\tthis.viewport = new Vector4( 0, 0, width, height );\n\n\t\tconst image = { width: width, height: height, depth: 1 };\n\n\t\toptions = Object.assign( {\n\t\t\tgenerateMipmaps: false,\n\t\t\tinternalFormat: null,\n\t\t\tminFilter: LinearFilter,\n\t\t\tdepthBuffer: true,\n\t\t\tstencilBuffer: false,\n\t\t\tresolveDepthBuffer: true,\n\t\t\tresolveStencilBuffer: true,\n\t\t\tdepthTexture: null,\n\t\t\tsamples: 0,\n\t\t\tcount: 1\n\t\t}, options );\n\n\t\tconst texture = new Texture( image, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.colorSpace );\n\n\t\ttexture.flipY = false;\n\t\ttexture.generateMipmaps = options.generateMipmaps;\n\t\ttexture.internalFormat = options.internalFormat;\n\n\t\tthis.textures = [];\n\n\t\tconst count = options.count;\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tthis.textures[ i ] = texture.clone();\n\t\t\tthis.textures[ i ].isRenderTargetTexture = true;\n\t\t\tthis.textures[ i ].renderTarget = this;\n\n\t\t}\n\n\t\tthis.depthBuffer = options.depthBuffer;\n\t\tthis.stencilBuffer = options.stencilBuffer;\n\n\t\tthis.resolveDepthBuffer = options.resolveDepthBuffer;\n\t\tthis.resolveStencilBuffer = options.resolveStencilBuffer;\n\n\t\tthis._depthTexture = null;\n\t\tthis.depthTexture = options.depthTexture;\n\n\t\tthis.samples = options.samples;\n\n\t}\n\n\tget texture() {\n\n\t\treturn this.textures[ 0 ];\n\n\t}\n\n\tset texture( value ) {\n\n\t\tthis.textures[ 0 ] = value;\n\n\t}\n\n\tset depthTexture( current ) {\n\n\t\tif ( this._depthTexture !== null ) this._depthTexture.renderTarget = null;\n\t\tif ( current !== null ) current.renderTarget = this;\n\n\t\tthis._depthTexture = current;\n\n\t}\n\n\tget depthTexture() {\n\n\t\treturn this._depthTexture;\n\n\t}\n\n\tsetSize( width, height, depth = 1 ) {\n\n\t\tif ( this.width !== width || this.height !== height || this.depth !== depth ) {\n\n\t\t\tthis.width = width;\n\t\t\tthis.height = height;\n\t\t\tthis.depth = depth;\n\n\t\t\tfor ( let i = 0, il = this.textures.length; i < il; i ++ ) {\n\n\t\t\t\tthis.textures[ i ].image.width = width;\n\t\t\t\tthis.textures[ i ].image.height = height;\n\t\t\t\tthis.textures[ i ].image.depth = depth;\n\n\t\t\t}\n\n\t\t\tthis.dispose();\n\n\t\t}\n\n\t\tthis.viewport.set( 0, 0, width, height );\n\t\tthis.scissor.set( 0, 0, width, height );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.width = source.width;\n\t\tthis.height = source.height;\n\t\tthis.depth = source.depth;\n\n\t\tthis.scissor.copy( source.scissor );\n\t\tthis.scissorTest = source.scissorTest;\n\n\t\tthis.viewport.copy( source.viewport );\n\n\t\tthis.textures.length = 0;\n\n\t\tfor ( let i = 0, il = source.textures.length; i < il; i ++ ) {\n\n\t\t\tthis.textures[ i ] = source.textures[ i ].clone();\n\t\t\tthis.textures[ i ].isRenderTargetTexture = true;\n\t\t\tthis.textures[ i ].renderTarget = this;\n\n\t\t}\n\n\t\t// ensure image object is not shared, see #20328\n\n\t\tconst image = Object.assign( {}, source.texture.image );\n\t\tthis.texture.source = new Source( image );\n\n\t\tthis.depthBuffer = source.depthBuffer;\n\t\tthis.stencilBuffer = source.stencilBuffer;\n\n\t\tthis.resolveDepthBuffer = source.resolveDepthBuffer;\n\t\tthis.resolveStencilBuffer = source.resolveStencilBuffer;\n\n\t\tif ( source.depthTexture !== null ) this.depthTexture = source.depthTexture.clone();\n\n\t\tthis.samples = source.samples;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n}\n\nclass WebGLRenderTarget extends RenderTarget {\n\n\tconstructor( width = 1, height = 1, options = {} ) {\n\n\t\tsuper( width, height, options );\n\n\t\tthis.isWebGLRenderTarget = true;\n\n\t}\n\n}\n\nclass DataArrayTexture extends Texture {\n\n\tconstructor( data = null, width = 1, height = 1, depth = 1 ) {\n\n\t\tsuper( null );\n\n\t\tthis.isDataArrayTexture = true;\n\n\t\tthis.image = { data, width, height, depth };\n\n\t\tthis.magFilter = NearestFilter;\n\t\tthis.minFilter = NearestFilter;\n\n\t\tthis.wrapR = ClampToEdgeWrapping;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t\tthis.layerUpdates = new Set();\n\n\t}\n\n\taddLayerUpdate( layerIndex ) {\n\n\t\tthis.layerUpdates.add( layerIndex );\n\n\t}\n\n\tclearLayerUpdates() {\n\n\t\tthis.layerUpdates.clear();\n\n\t}\n\n}\n\nclass WebGLArrayRenderTarget extends WebGLRenderTarget {\n\n\tconstructor( width = 1, height = 1, depth = 1, options = {} ) {\n\n\t\tsuper( width, height, options );\n\n\t\tthis.isWebGLArrayRenderTarget = true;\n\n\t\tthis.depth = depth;\n\n\t\tthis.texture = new DataArrayTexture( null, width, height, depth );\n\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t}\n\n}\n\nclass Data3DTexture extends Texture {\n\n\tconstructor( data = null, width = 1, height = 1, depth = 1 ) {\n\n\t\t// We're going to add .setXXX() methods for setting properties later.\n\t\t// Users can still set in Data3DTexture directly.\n\t\t//\n\t\t//\tconst texture = new THREE.Data3DTexture( data, width, height, depth );\n\t\t// \ttexture.anisotropy = 16;\n\t\t//\n\t\t// See #14839\n\n\t\tsuper( null );\n\n\t\tthis.isData3DTexture = true;\n\n\t\tthis.image = { data, width, height, depth };\n\n\t\tthis.magFilter = NearestFilter;\n\t\tthis.minFilter = NearestFilter;\n\n\t\tthis.wrapR = ClampToEdgeWrapping;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t}\n\n}\n\nclass WebGL3DRenderTarget extends WebGLRenderTarget {\n\n\tconstructor( width = 1, height = 1, depth = 1, options = {} ) {\n\n\t\tsuper( width, height, options );\n\n\t\tthis.isWebGL3DRenderTarget = true;\n\n\t\tthis.depth = depth;\n\n\t\tthis.texture = new Data3DTexture( null, width, height, depth );\n\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t}\n\n}\n\nclass Quaternion {\n\n\tconstructor( x = 0, y = 0, z = 0, w = 1 ) {\n\n\t\tthis.isQuaternion = true;\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._w = w;\n\n\t}\n\n\tstatic slerpFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) {\n\n\t\t// fuzz-free, array-based Quaternion SLERP operation\n\n\t\tlet x0 = src0[ srcOffset0 + 0 ],\n\t\t\ty0 = src0[ srcOffset0 + 1 ],\n\t\t\tz0 = src0[ srcOffset0 + 2 ],\n\t\t\tw0 = src0[ srcOffset0 + 3 ];\n\n\t\tconst x1 = src1[ srcOffset1 + 0 ],\n\t\t\ty1 = src1[ srcOffset1 + 1 ],\n\t\t\tz1 = src1[ srcOffset1 + 2 ],\n\t\t\tw1 = src1[ srcOffset1 + 3 ];\n\n\t\tif ( t === 0 ) {\n\n\t\t\tdst[ dstOffset + 0 ] = x0;\n\t\t\tdst[ dstOffset + 1 ] = y0;\n\t\t\tdst[ dstOffset + 2 ] = z0;\n\t\t\tdst[ dstOffset + 3 ] = w0;\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( t === 1 ) {\n\n\t\t\tdst[ dstOffset + 0 ] = x1;\n\t\t\tdst[ dstOffset + 1 ] = y1;\n\t\t\tdst[ dstOffset + 2 ] = z1;\n\t\t\tdst[ dstOffset + 3 ] = w1;\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) {\n\n\t\t\tlet s = 1 - t;\n\t\t\tconst cos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1,\n\t\t\t\tdir = ( cos >= 0 ? 1 : - 1 ),\n\t\t\t\tsqrSin = 1 - cos * cos;\n\n\t\t\t// Skip the Slerp for tiny steps to avoid numeric problems:\n\t\t\tif ( sqrSin > Number.EPSILON ) {\n\n\t\t\t\tconst sin = Math.sqrt( sqrSin ),\n\t\t\t\t\tlen = Math.atan2( sin, cos * dir );\n\n\t\t\t\ts = Math.sin( s * len ) / sin;\n\t\t\t\tt = Math.sin( t * len ) / sin;\n\n\t\t\t}\n\n\t\t\tconst tDir = t * dir;\n\n\t\t\tx0 = x0 * s + x1 * tDir;\n\t\t\ty0 = y0 * s + y1 * tDir;\n\t\t\tz0 = z0 * s + z1 * tDir;\n\t\t\tw0 = w0 * s + w1 * tDir;\n\n\t\t\t// Normalize in case we just did a lerp:\n\t\t\tif ( s === 1 - t ) {\n\n\t\t\t\tconst f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 );\n\n\t\t\t\tx0 *= f;\n\t\t\t\ty0 *= f;\n\t\t\t\tz0 *= f;\n\t\t\t\tw0 *= f;\n\n\t\t\t}\n\n\t\t}\n\n\t\tdst[ dstOffset ] = x0;\n\t\tdst[ dstOffset + 1 ] = y0;\n\t\tdst[ dstOffset + 2 ] = z0;\n\t\tdst[ dstOffset + 3 ] = w0;\n\n\t}\n\n\tstatic multiplyQuaternionsFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1 ) {\n\n\t\tconst x0 = src0[ srcOffset0 ];\n\t\tconst y0 = src0[ srcOffset0 + 1 ];\n\t\tconst z0 = src0[ srcOffset0 + 2 ];\n\t\tconst w0 = src0[ srcOffset0 + 3 ];\n\n\t\tconst x1 = src1[ srcOffset1 ];\n\t\tconst y1 = src1[ srcOffset1 + 1 ];\n\t\tconst z1 = src1[ srcOffset1 + 2 ];\n\t\tconst w1 = src1[ srcOffset1 + 3 ];\n\n\t\tdst[ dstOffset ] = x0 * w1 + w0 * x1 + y0 * z1 - z0 * y1;\n\t\tdst[ dstOffset + 1 ] = y0 * w1 + w0 * y1 + z0 * x1 - x0 * z1;\n\t\tdst[ dstOffset + 2 ] = z0 * w1 + w0 * z1 + x0 * y1 - y0 * x1;\n\t\tdst[ dstOffset + 3 ] = w0 * w1 - x0 * x1 - y0 * y1 - z0 * z1;\n\n\t\treturn dst;\n\n\t}\n\n\tget x() {\n\n\t\treturn this._x;\n\n\t}\n\n\tset x( value ) {\n\n\t\tthis._x = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget y() {\n\n\t\treturn this._y;\n\n\t}\n\n\tset y( value ) {\n\n\t\tthis._y = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget z() {\n\n\t\treturn this._z;\n\n\t}\n\n\tset z( value ) {\n\n\t\tthis._z = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget w() {\n\n\t\treturn this._w;\n\n\t}\n\n\tset w( value ) {\n\n\t\tthis._w = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tset( x, y, z, w ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._w = w;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this._x, this._y, this._z, this._w );\n\n\t}\n\n\tcopy( quaternion ) {\n\n\t\tthis._x = quaternion.x;\n\t\tthis._y = quaternion.y;\n\t\tthis._z = quaternion.z;\n\t\tthis._w = quaternion.w;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromEuler( euler, update = true ) {\n\n\t\tconst x = euler._x, y = euler._y, z = euler._z, order = euler._order;\n\n\t\t// http://www.mathworks.com/matlabcentral/fileexchange/\n\t\t// \t20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/\n\t\t//\tcontent/SpinCalc.m\n\n\t\tconst cos = Math.cos;\n\t\tconst sin = Math.sin;\n\n\t\tconst c1 = cos( x / 2 );\n\t\tconst c2 = cos( y / 2 );\n\t\tconst c3 = cos( z / 2 );\n\n\t\tconst s1 = sin( x / 2 );\n\t\tconst s2 = sin( y / 2 );\n\t\tconst s3 = sin( z / 2 );\n\n\t\tswitch ( order ) {\n\n\t\t\tcase 'XYZ':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'YXZ':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZXY':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZYX':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'YZX':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'XZY':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tconsole.warn( 'THREE.Quaternion: .setFromEuler() encountered an unknown order: ' + order );\n\n\t\t}\n\n\t\tif ( update === true ) this._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromAxisAngle( axis, angle ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm\n\n\t\t// assumes axis is normalized\n\n\t\tconst halfAngle = angle / 2, s = Math.sin( halfAngle );\n\n\t\tthis._x = axis.x * s;\n\t\tthis._y = axis.y * s;\n\t\tthis._z = axis.z * s;\n\t\tthis._w = Math.cos( halfAngle );\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromRotationMatrix( m ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tconst te = m.elements,\n\n\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ],\n\n\t\t\ttrace = m11 + m22 + m33;\n\n\t\tif ( trace > 0 ) {\n\n\t\t\tconst s = 0.5 / Math.sqrt( trace + 1.0 );\n\n\t\t\tthis._w = 0.25 / s;\n\t\t\tthis._x = ( m32 - m23 ) * s;\n\t\t\tthis._y = ( m13 - m31 ) * s;\n\t\t\tthis._z = ( m21 - m12 ) * s;\n\n\t\t} else if ( m11 > m22 && m11 > m33 ) {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 );\n\n\t\t\tthis._w = ( m32 - m23 ) / s;\n\t\t\tthis._x = 0.25 * s;\n\t\t\tthis._y = ( m12 + m21 ) / s;\n\t\t\tthis._z = ( m13 + m31 ) / s;\n\n\t\t} else if ( m22 > m33 ) {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 );\n\n\t\t\tthis._w = ( m13 - m31 ) / s;\n\t\t\tthis._x = ( m12 + m21 ) / s;\n\t\t\tthis._y = 0.25 * s;\n\t\t\tthis._z = ( m23 + m32 ) / s;\n\n\t\t} else {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 );\n\n\t\t\tthis._w = ( m21 - m12 ) / s;\n\t\t\tthis._x = ( m13 + m31 ) / s;\n\t\t\tthis._y = ( m23 + m32 ) / s;\n\t\t\tthis._z = 0.25 * s;\n\n\t\t}\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromUnitVectors( vFrom, vTo ) {\n\n\t\t// assumes direction vectors vFrom and vTo are normalized\n\n\t\tlet r = vFrom.dot( vTo ) + 1;\n\n\t\tif ( r < Number.EPSILON ) {\n\n\t\t\t// vFrom and vTo point in opposite directions\n\n\t\t\tr = 0;\n\n\t\t\tif ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) {\n\n\t\t\t\tthis._x = - vFrom.y;\n\t\t\t\tthis._y = vFrom.x;\n\t\t\t\tthis._z = 0;\n\t\t\t\tthis._w = r;\n\n\t\t\t} else {\n\n\t\t\t\tthis._x = 0;\n\t\t\t\tthis._y = - vFrom.z;\n\t\t\t\tthis._z = vFrom.y;\n\t\t\t\tthis._w = r;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// crossVectors( vFrom, vTo ); // inlined to avoid cyclic dependency on Vector3\n\n\t\t\tthis._x = vFrom.y * vTo.z - vFrom.z * vTo.y;\n\t\t\tthis._y = vFrom.z * vTo.x - vFrom.x * vTo.z;\n\t\t\tthis._z = vFrom.x * vTo.y - vFrom.y * vTo.x;\n\t\t\tthis._w = r;\n\n\t\t}\n\n\t\treturn this.normalize();\n\n\t}\n\n\tangleTo( q ) {\n\n\t\treturn 2 * Math.acos( Math.abs( clamp( this.dot( q ), - 1, 1 ) ) );\n\n\t}\n\n\trotateTowards( q, step ) {\n\n\t\tconst angle = this.angleTo( q );\n\n\t\tif ( angle === 0 ) return this;\n\n\t\tconst t = Math.min( 1, step / angle );\n\n\t\tthis.slerp( q, t );\n\n\t\treturn this;\n\n\t}\n\n\tidentity() {\n\n\t\treturn this.set( 0, 0, 0, 1 );\n\n\t}\n\n\tinvert() {\n\n\t\t// quaternion is assumed to have unit length\n\n\t\treturn this.conjugate();\n\n\t}\n\n\tconjugate() {\n\n\t\tthis._x *= - 1;\n\t\tthis._y *= - 1;\n\t\tthis._z *= - 1;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w;\n\n\t}\n\n\tlengthSq() {\n\n\t\treturn this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w );\n\n\t}\n\n\tnormalize() {\n\n\t\tlet l = this.length();\n\n\t\tif ( l === 0 ) {\n\n\t\t\tthis._x = 0;\n\t\t\tthis._y = 0;\n\t\t\tthis._z = 0;\n\t\t\tthis._w = 1;\n\n\t\t} else {\n\n\t\t\tl = 1 / l;\n\n\t\t\tthis._x = this._x * l;\n\t\t\tthis._y = this._y * l;\n\t\t\tthis._z = this._z * l;\n\t\t\tthis._w = this._w * l;\n\n\t\t}\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( q ) {\n\n\t\treturn this.multiplyQuaternions( this, q );\n\n\t}\n\n\tpremultiply( q ) {\n\n\t\treturn this.multiplyQuaternions( q, this );\n\n\t}\n\n\tmultiplyQuaternions( a, b ) {\n\n\t\t// from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm\n\n\t\tconst qax = a._x, qay = a._y, qaz = a._z, qaw = a._w;\n\t\tconst qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w;\n\n\t\tthis._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby;\n\t\tthis._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz;\n\t\tthis._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx;\n\t\tthis._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tslerp( qb, t ) {\n\n\t\tif ( t === 0 ) return this;\n\t\tif ( t === 1 ) return this.copy( qb );\n\n\t\tconst x = this._x, y = this._y, z = this._z, w = this._w;\n\n\t\t// http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/\n\n\t\tlet cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z;\n\n\t\tif ( cosHalfTheta < 0 ) {\n\n\t\t\tthis._w = - qb._w;\n\t\t\tthis._x = - qb._x;\n\t\t\tthis._y = - qb._y;\n\t\t\tthis._z = - qb._z;\n\n\t\t\tcosHalfTheta = - cosHalfTheta;\n\n\t\t} else {\n\n\t\t\tthis.copy( qb );\n\n\t\t}\n\n\t\tif ( cosHalfTheta >= 1.0 ) {\n\n\t\t\tthis._w = w;\n\t\t\tthis._x = x;\n\t\t\tthis._y = y;\n\t\t\tthis._z = z;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst sqrSinHalfTheta = 1.0 - cosHalfTheta * cosHalfTheta;\n\n\t\tif ( sqrSinHalfTheta <= Number.EPSILON ) {\n\n\t\t\tconst s = 1 - t;\n\t\t\tthis._w = s * w + t * this._w;\n\t\t\tthis._x = s * x + t * this._x;\n\t\t\tthis._y = s * y + t * this._y;\n\t\t\tthis._z = s * z + t * this._z;\n\n\t\t\tthis.normalize(); // normalize calls _onChangeCallback()\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst sinHalfTheta = Math.sqrt( sqrSinHalfTheta );\n\t\tconst halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta );\n\t\tconst ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta,\n\t\t\tratioB = Math.sin( t * halfTheta ) / sinHalfTheta;\n\n\t\tthis._w = ( w * ratioA + this._w * ratioB );\n\t\tthis._x = ( x * ratioA + this._x * ratioB );\n\t\tthis._y = ( y * ratioA + this._y * ratioB );\n\t\tthis._z = ( z * ratioA + this._z * ratioB );\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tslerpQuaternions( qa, qb, t ) {\n\n\t\treturn this.copy( qa ).slerp( qb, t );\n\n\t}\n\n\trandom() {\n\n\t\t// sets this quaternion to a uniform random unit quaternnion\n\n\t\t// Ken Shoemake\n\t\t// Uniform random rotations\n\t\t// D. Kirk, editor, Graphics Gems III, pages 124-132. Academic Press, New York, 1992.\n\n\t\tconst theta1 = 2 * Math.PI * Math.random();\n\t\tconst theta2 = 2 * Math.PI * Math.random();\n\n\t\tconst x0 = Math.random();\n\t\tconst r1 = Math.sqrt( 1 - x0 );\n\t\tconst r2 = Math.sqrt( x0 );\n\n\t\treturn this.set(\n\t\t\tr1 * Math.sin( theta1 ),\n\t\t\tr1 * Math.cos( theta1 ),\n\t\t\tr2 * Math.sin( theta2 ),\n\t\t\tr2 * Math.cos( theta2 ),\n\t\t);\n\n\t}\n\n\tequals( quaternion ) {\n\n\t\treturn ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis._x = array[ offset ];\n\t\tthis._y = array[ offset + 1 ];\n\t\tthis._z = array[ offset + 2 ];\n\t\tthis._w = array[ offset + 3 ];\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this._x;\n\t\tarray[ offset + 1 ] = this._y;\n\t\tarray[ offset + 2 ] = this._z;\n\t\tarray[ offset + 3 ] = this._w;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis._x = attribute.getX( index );\n\t\tthis._y = attribute.getY( index );\n\t\tthis._z = attribute.getZ( index );\n\t\tthis._w = attribute.getW( index );\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\treturn this.toArray();\n\n\t}\n\n\t_onChange( callback ) {\n\n\t\tthis._onChangeCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\t_onChangeCallback() {}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this._x;\n\t\tyield this._y;\n\t\tyield this._z;\n\t\tyield this._w;\n\n\t}\n\n}\n\nclass Vector3 {\n\n\tconstructor( x = 0, y = 0, z = 0 ) {\n\n\t\tVector3.prototype.isVector3 = true;\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\n\t}\n\n\tset( x, y, z ) {\n\n\t\tif ( z === undefined ) z = this.z; // sprite.scale.set(x,y)\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\t\tthis.z = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetZ( z ) {\n\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tcase 2: this.z = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tcase 2: return this.z;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y, this.z );\n\n\t}\n\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\t\tthis.z = v.z;\n\n\t\treturn this;\n\n\t}\n\n\tadd( v ) {\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\t\tthis.z += v.z;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\t\tthis.z += s;\n\n\t\treturn this;\n\n\t}\n\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\t\tthis.z = a.z + b.z;\n\n\t\treturn this;\n\n\t}\n\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\t\tthis.z += v.z * s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( v ) {\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\t\tthis.z -= v.z;\n\n\t\treturn this;\n\n\t}\n\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\t\tthis.z -= s;\n\n\t\treturn this;\n\n\t}\n\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\t\tthis.z = a.z - b.z;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( v ) {\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\t\tthis.z *= v.z;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\t\tthis.z *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyVectors( a, b ) {\n\n\t\tthis.x = a.x * b.x;\n\t\tthis.y = a.y * b.y;\n\t\tthis.z = a.z * b.z;\n\n\t\treturn this;\n\n\t}\n\n\tapplyEuler( euler ) {\n\n\t\treturn this.applyQuaternion( _quaternion$4.setFromEuler( euler ) );\n\n\t}\n\n\tapplyAxisAngle( axis, angle ) {\n\n\t\treturn this.applyQuaternion( _quaternion$4.setFromAxisAngle( axis, angle ) );\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z;\n\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z;\n\t\tthis.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z;\n\n\t\treturn this;\n\n\t}\n\n\tapplyNormalMatrix( m ) {\n\n\t\treturn this.applyMatrix3( m ).normalize();\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tconst w = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] );\n\n\t\tthis.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * w;\n\t\tthis.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * w;\n\t\tthis.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * w;\n\n\t\treturn this;\n\n\t}\n\n\tapplyQuaternion( q ) {\n\n\t\t// quaternion q is assumed to have unit length\n\n\t\tconst vx = this.x, vy = this.y, vz = this.z;\n\t\tconst qx = q.x, qy = q.y, qz = q.z, qw = q.w;\n\n\t\t// t = 2 * cross( q.xyz, v );\n\t\tconst tx = 2 * ( qy * vz - qz * vy );\n\t\tconst ty = 2 * ( qz * vx - qx * vz );\n\t\tconst tz = 2 * ( qx * vy - qy * vx );\n\n\t\t// v + q.w * t + cross( q.xyz, t );\n\t\tthis.x = vx + qw * tx + qy * tz - qz * ty;\n\t\tthis.y = vy + qw * ty + qz * tx - qx * tz;\n\t\tthis.z = vz + qw * tz + qx * ty - qy * tx;\n\n\t\treturn this;\n\n\t}\n\n\tproject( camera ) {\n\n\t\treturn this.applyMatrix4( camera.matrixWorldInverse ).applyMatrix4( camera.projectionMatrix );\n\n\t}\n\n\tunproject( camera ) {\n\n\t\treturn this.applyMatrix4( camera.projectionMatrixInverse ).applyMatrix4( camera.matrixWorld );\n\n\t}\n\n\ttransformDirection( m ) {\n\n\t\t// input: THREE.Matrix4 affine matrix\n\t\t// vector interpreted as a direction\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z;\n\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z;\n\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z;\n\n\t\treturn this.normalize();\n\n\t}\n\n\tdivide( v ) {\n\n\t\tthis.x /= v.x;\n\t\tthis.y /= v.y;\n\t\tthis.z /= v.z;\n\n\t\treturn this;\n\n\t}\n\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\t\tthis.z = Math.min( this.z, v.z );\n\n\t\treturn this;\n\n\t}\n\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\t\tthis.z = Math.max( this.z, v.z );\n\n\t\treturn this;\n\n\t}\n\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = clamp( this.x, min.x, max.x );\n\t\tthis.y = clamp( this.y, min.y, max.y );\n\t\tthis.z = clamp( this.z, min.z, max.z );\n\n\t\treturn this;\n\n\t}\n\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = clamp( this.x, minVal, maxVal );\n\t\tthis.y = clamp( this.y, minVal, maxVal );\n\t\tthis.z = clamp( this.z, minVal, maxVal );\n\n\t\treturn this;\n\n\t}\n\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( clamp( length, min, max ) );\n\n\t}\n\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\t\tthis.z = Math.floor( this.z );\n\n\t\treturn this;\n\n\t}\n\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\t\tthis.z = Math.ceil( this.z );\n\n\t\treturn this;\n\n\t}\n\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\t\tthis.z = Math.round( this.z );\n\n\t\treturn this;\n\n\t}\n\n\troundToZero() {\n\n\t\tthis.x = Math.trunc( this.x );\n\t\tthis.y = Math.trunc( this.y );\n\t\tthis.z = Math.trunc( this.z );\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\t\tthis.z = - this.z;\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y + this.z * v.z;\n\n\t}\n\n\t// TODO lengthSquared?\n\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y + this.z * this.z;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z );\n\n\t}\n\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z );\n\n\t}\n\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\tthis.z += ( v.z - this.z ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\t\tthis.z = v1.z + ( v2.z - v1.z ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tcross( v ) {\n\n\t\treturn this.crossVectors( this, v );\n\n\t}\n\n\tcrossVectors( a, b ) {\n\n\t\tconst ax = a.x, ay = a.y, az = a.z;\n\t\tconst bx = b.x, by = b.y, bz = b.z;\n\n\t\tthis.x = ay * bz - az * by;\n\t\tthis.y = az * bx - ax * bz;\n\t\tthis.z = ax * by - ay * bx;\n\n\t\treturn this;\n\n\t}\n\n\tprojectOnVector( v ) {\n\n\t\tconst denominator = v.lengthSq();\n\n\t\tif ( denominator === 0 ) return this.set( 0, 0, 0 );\n\n\t\tconst scalar = v.dot( this ) / denominator;\n\n\t\treturn this.copy( v ).multiplyScalar( scalar );\n\n\t}\n\n\tprojectOnPlane( planeNormal ) {\n\n\t\t_vector$c.copy( this ).projectOnVector( planeNormal );\n\n\t\treturn this.sub( _vector$c );\n\n\t}\n\n\treflect( normal ) {\n\n\t\t// reflect incident vector off plane orthogonal to normal\n\t\t// normal is assumed to have unit length\n\n\t\treturn this.sub( _vector$c.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) );\n\n\t}\n\n\tangleTo( v ) {\n\n\t\tconst denominator = Math.sqrt( this.lengthSq() * v.lengthSq() );\n\n\t\tif ( denominator === 0 ) return Math.PI / 2;\n\n\t\tconst theta = this.dot( v ) / denominator;\n\n\t\t// clamp, to handle numerical problems\n\n\t\treturn Math.acos( clamp( theta, - 1, 1 ) );\n\n\t}\n\n\tdistanceTo( v ) {\n\n\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t}\n\n\tdistanceToSquared( v ) {\n\n\t\tconst dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z;\n\n\t\treturn dx * dx + dy * dy + dz * dz;\n\n\t}\n\n\tmanhattanDistanceTo( v ) {\n\n\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z );\n\n\t}\n\n\tsetFromSpherical( s ) {\n\n\t\treturn this.setFromSphericalCoords( s.radius, s.phi, s.theta );\n\n\t}\n\n\tsetFromSphericalCoords( radius, phi, theta ) {\n\n\t\tconst sinPhiRadius = Math.sin( phi ) * radius;\n\n\t\tthis.x = sinPhiRadius * Math.sin( theta );\n\t\tthis.y = Math.cos( phi ) * radius;\n\t\tthis.z = sinPhiRadius * Math.cos( theta );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCylindrical( c ) {\n\n\t\treturn this.setFromCylindricalCoords( c.radius, c.theta, c.y );\n\n\t}\n\n\tsetFromCylindricalCoords( radius, theta, y ) {\n\n\t\tthis.x = radius * Math.sin( theta );\n\t\tthis.y = y;\n\t\tthis.z = radius * Math.cos( theta );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixPosition( m ) {\n\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 12 ];\n\t\tthis.y = e[ 13 ];\n\t\tthis.z = e[ 14 ];\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixScale( m ) {\n\n\t\tconst sx = this.setFromMatrixColumn( m, 0 ).length();\n\t\tconst sy = this.setFromMatrixColumn( m, 1 ).length();\n\t\tconst sz = this.setFromMatrixColumn( m, 2 ).length();\n\n\t\tthis.x = sx;\n\t\tthis.y = sy;\n\t\tthis.z = sz;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixColumn( m, index ) {\n\n\t\treturn this.fromArray( m.elements, index * 4 );\n\n\t}\n\n\tsetFromMatrix3Column( m, index ) {\n\n\t\treturn this.fromArray( m.elements, index * 3 );\n\n\t}\n\n\tsetFromEuler( e ) {\n\n\t\tthis.x = e._x;\n\t\tthis.y = e._y;\n\t\tthis.z = e._z;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromColor( c ) {\n\n\t\tthis.x = c.r;\n\t\tthis.y = c.g;\n\t\tthis.z = c.b;\n\n\t\treturn this;\n\n\t}\n\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\t\tthis.z = array[ offset + 2 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\t\tarray[ offset + 2 ] = this.z;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\t\tthis.z = attribute.getZ( index );\n\n\t\treturn this;\n\n\t}\n\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\t\tthis.z = Math.random();\n\n\t\treturn this;\n\n\t}\n\n\trandomDirection() {\n\n\t\t// https://mathworld.wolfram.com/SpherePointPicking.html\n\n\t\tconst theta = Math.random() * Math.PI * 2;\n\t\tconst u = Math.random() * 2 - 1;\n\t\tconst c = Math.sqrt( 1 - u * u );\n\n\t\tthis.x = c * Math.cos( theta );\n\t\tthis.y = u;\n\t\tthis.z = c * Math.sin( theta );\n\n\t\treturn this;\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.x;\n\t\tyield this.y;\n\t\tyield this.z;\n\n\t}\n\n}\n\nconst _vector$c = /*@__PURE__*/ new Vector3();\nconst _quaternion$4 = /*@__PURE__*/ new Quaternion();\n\nclass Box3 {\n\n\tconstructor( min = new Vector3( + Infinity, + Infinity, + Infinity ), max = new Vector3( - Infinity, - Infinity, - Infinity ) ) {\n\n\t\tthis.isBox3 = true;\n\n\t\tthis.min = min;\n\t\tthis.max = max;\n\n\t}\n\n\tset( min, max ) {\n\n\t\tthis.min.copy( min );\n\t\tthis.max.copy( max );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromArray( array ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = array.length; i < il; i += 3 ) {\n\n\t\t\tthis.expandByPoint( _vector$b.fromArray( array, i ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromBufferAttribute( attribute ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = attribute.count; i < il; i ++ ) {\n\n\t\t\tthis.expandByPoint( _vector$b.fromBufferAttribute( attribute, i ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCenterAndSize( center, size ) {\n\n\t\tconst halfSize = _vector$b.copy( size ).multiplyScalar( 0.5 );\n\n\t\tthis.min.copy( center ).sub( halfSize );\n\t\tthis.max.copy( center ).add( halfSize );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromObject( object, precise = false ) {\n\n\t\tthis.makeEmpty();\n\n\t\treturn this.expandByObject( object, precise );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( box ) {\n\n\t\tthis.min.copy( box.min );\n\t\tthis.max.copy( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tmakeEmpty() {\n\n\t\tthis.min.x = this.min.y = this.min.z = + Infinity;\n\t\tthis.max.x = this.max.y = this.max.z = - Infinity;\n\n\t\treturn this;\n\n\t}\n\n\tisEmpty() {\n\n\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z );\n\n\t}\n\n\tgetCenter( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t}\n\n\tgetSize( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0, 0 ) : target.subVectors( this.max, this.min );\n\n\t}\n\n\texpandByPoint( point ) {\n\n\t\tthis.min.min( point );\n\t\tthis.max.max( point );\n\n\t\treturn this;\n\n\t}\n\n\texpandByVector( vector ) {\n\n\t\tthis.min.sub( vector );\n\t\tthis.max.add( vector );\n\n\t\treturn this;\n\n\t}\n\n\texpandByScalar( scalar ) {\n\n\t\tthis.min.addScalar( - scalar );\n\t\tthis.max.addScalar( scalar );\n\n\t\treturn this;\n\n\t}\n\n\texpandByObject( object, precise = false ) {\n\n\t\t// Computes the world-axis-aligned bounding box of an object (including its children),\n\t\t// accounting for both the object's, and children's, world transforms\n\n\t\tobject.updateWorldMatrix( false, false );\n\n\t\tconst geometry = object.geometry;\n\n\t\tif ( geometry !== undefined ) {\n\n\t\t\tconst positionAttribute = geometry.getAttribute( 'position' );\n\n\t\t\t// precise AABB computation based on vertex data requires at least a position attribute.\n\t\t\t// instancing isn't supported so far and uses the normal (conservative) code path.\n\n\t\t\tif ( precise === true && positionAttribute !== undefined && object.isInstancedMesh !== true ) {\n\n\t\t\t\tfor ( let i = 0, l = positionAttribute.count; i < l; i ++ ) {\n\n\t\t\t\t\tif ( object.isMesh === true ) {\n\n\t\t\t\t\t\tobject.getVertexPosition( i, _vector$b );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_vector$b.fromBufferAttribute( positionAttribute, i );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_vector$b.applyMatrix4( object.matrixWorld );\n\t\t\t\t\tthis.expandByPoint( _vector$b );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( object.boundingBox !== undefined ) {\n\n\t\t\t\t\t// object-level bounding box\n\n\t\t\t\t\tif ( object.boundingBox === null ) {\n\n\t\t\t\t\t\tobject.computeBoundingBox();\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_box$4.copy( object.boundingBox );\n\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// geometry-level bounding box\n\n\t\t\t\t\tif ( geometry.boundingBox === null ) {\n\n\t\t\t\t\t\tgeometry.computeBoundingBox();\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_box$4.copy( geometry.boundingBox );\n\n\t\t\t\t}\n\n\t\t\t\t_box$4.applyMatrix4( object.matrixWorld );\n\n\t\t\t\tthis.union( _box$4 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tthis.expandByObject( children[ i ], precise );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn point.x >= this.min.x && point.x <= this.max.x &&\n\t\t\tpoint.y >= this.min.y && point.y <= this.max.y &&\n\t\t\tpoint.z >= this.min.z && point.z <= this.max.z;\n\n\t}\n\n\tcontainsBox( box ) {\n\n\t\treturn this.min.x <= box.min.x && box.max.x <= this.max.x &&\n\t\t\tthis.min.y <= box.min.y && box.max.y <= this.max.y &&\n\t\t\tthis.min.z <= box.min.z && box.max.z <= this.max.z;\n\n\t}\n\n\tgetParameter( point, target ) {\n\n\t\t// This can potentially have a divide by zero if the box\n\t\t// has a size dimension of 0.\n\n\t\treturn target.set(\n\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y ),\n\t\t\t( point.z - this.min.z ) / ( this.max.z - this.min.z )\n\t\t);\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\t// using 6 splitting planes to rule out intersections.\n\t\treturn box.max.x >= this.min.x && box.min.x <= this.max.x &&\n\t\t\tbox.max.y >= this.min.y && box.min.y <= this.max.y &&\n\t\t\tbox.max.z >= this.min.z && box.min.z <= this.max.z;\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\t// Find the point on the AABB closest to the sphere center.\n\t\tthis.clampPoint( sphere.center, _vector$b );\n\n\t\t// If that point is inside the sphere, the AABB and sphere intersect.\n\t\treturn _vector$b.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t}\n\n\tintersectsPlane( plane ) {\n\n\t\t// We compute the minimum and maximum dot product values. If those values\n\t\t// are on the same side (back or front) of the plane, then there is no intersection.\n\n\t\tlet min, max;\n\n\t\tif ( plane.normal.x > 0 ) {\n\n\t\t\tmin = plane.normal.x * this.min.x;\n\t\t\tmax = plane.normal.x * this.max.x;\n\n\t\t} else {\n\n\t\t\tmin = plane.normal.x * this.max.x;\n\t\t\tmax = plane.normal.x * this.min.x;\n\n\t\t}\n\n\t\tif ( plane.normal.y > 0 ) {\n\n\t\t\tmin += plane.normal.y * this.min.y;\n\t\t\tmax += plane.normal.y * this.max.y;\n\n\t\t} else {\n\n\t\t\tmin += plane.normal.y * this.max.y;\n\t\t\tmax += plane.normal.y * this.min.y;\n\n\t\t}\n\n\t\tif ( plane.normal.z > 0 ) {\n\n\t\t\tmin += plane.normal.z * this.min.z;\n\t\t\tmax += plane.normal.z * this.max.z;\n\n\t\t} else {\n\n\t\t\tmin += plane.normal.z * this.max.z;\n\t\t\tmax += plane.normal.z * this.min.z;\n\n\t\t}\n\n\t\treturn ( min <= - plane.constant && max >= - plane.constant );\n\n\t}\n\n\tintersectsTriangle( triangle ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// compute box center and extents\n\t\tthis.getCenter( _center );\n\t\t_extents.subVectors( this.max, _center );\n\n\t\t// translate triangle to aabb origin\n\t\t_v0$2.subVectors( triangle.a, _center );\n\t\t_v1$7.subVectors( triangle.b, _center );\n\t\t_v2$4.subVectors( triangle.c, _center );\n\n\t\t// compute edge vectors for triangle\n\t\t_f0.subVectors( _v1$7, _v0$2 );\n\t\t_f1.subVectors( _v2$4, _v1$7 );\n\t\t_f2.subVectors( _v0$2, _v2$4 );\n\n\t\t// test against axes that are given by cross product combinations of the edges of the triangle and the edges of the aabb\n\t\t// make an axis testing of each of the 3 sides of the aabb against each of the 3 sides of the triangle = 9 axis of separation\n\t\t// axis_ij = u_i x f_j (u0, u1, u2 = face normals of aabb = x,y,z axes vectors since aabb is axis aligned)\n\t\tlet axes = [\n\t\t\t0, - _f0.z, _f0.y, 0, - _f1.z, _f1.y, 0, - _f2.z, _f2.y,\n\t\t\t_f0.z, 0, - _f0.x, _f1.z, 0, - _f1.x, _f2.z, 0, - _f2.x,\n\t\t\t- _f0.y, _f0.x, 0, - _f1.y, _f1.x, 0, - _f2.y, _f2.x, 0\n\t\t];\n\t\tif ( ! satForAxes( axes, _v0$2, _v1$7, _v2$4, _extents ) ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// test 3 face normals from the aabb\n\t\taxes = [ 1, 0, 0, 0, 1, 0, 0, 0, 1 ];\n\t\tif ( ! satForAxes( axes, _v0$2, _v1$7, _v2$4, _extents ) ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// finally testing the face normal of the triangle\n\t\t// use already existing triangle edge vectors here\n\t\t_triangleNormal.crossVectors( _f0, _f1 );\n\t\taxes = [ _triangleNormal.x, _triangleNormal.y, _triangleNormal.z ];\n\n\t\treturn satForAxes( axes, _v0$2, _v1$7, _v2$4, _extents );\n\n\t}\n\n\tclampPoint( point, target ) {\n\n\t\treturn target.copy( point ).clamp( this.min, this.max );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn this.clampPoint( point, _vector$b ).distanceTo( point );\n\n\t}\n\n\tgetBoundingSphere( target ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\ttarget.makeEmpty();\n\n\t\t} else {\n\n\t\t\tthis.getCenter( target.center );\n\n\t\t\ttarget.radius = this.getSize( _vector$b ).length() * 0.5;\n\n\t\t}\n\n\t\treturn target;\n\n\t}\n\n\tintersect( box ) {\n\n\t\tthis.min.max( box.min );\n\t\tthis.max.min( box.max );\n\n\t\t// ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values.\n\t\tif ( this.isEmpty() ) this.makeEmpty();\n\n\t\treturn this;\n\n\t}\n\n\tunion( box ) {\n\n\t\tthis.min.min( box.min );\n\t\tthis.max.max( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\t// transform of empty box is an empty box.\n\t\tif ( this.isEmpty() ) return this;\n\n\t\t// NOTE: I am using a binary pattern to specify all 2^3 combinations below\n\t\t_points[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000\n\t\t_points[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001\n\t\t_points[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010\n\t\t_points[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011\n\t\t_points[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100\n\t\t_points[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101\n\t\t_points[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110\n\t\t_points[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 111\n\n\t\tthis.setFromPoints( _points );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.min.add( offset );\n\t\tthis.max.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\tequals( box ) {\n\n\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t}\n\n}\n\nconst _points = [\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3()\n];\n\nconst _vector$b = /*@__PURE__*/ new Vector3();\n\nconst _box$4 = /*@__PURE__*/ new Box3();\n\n// triangle centered vertices\n\nconst _v0$2 = /*@__PURE__*/ new Vector3();\nconst _v1$7 = /*@__PURE__*/ new Vector3();\nconst _v2$4 = /*@__PURE__*/ new Vector3();\n\n// triangle edge vectors\n\nconst _f0 = /*@__PURE__*/ new Vector3();\nconst _f1 = /*@__PURE__*/ new Vector3();\nconst _f2 = /*@__PURE__*/ new Vector3();\n\nconst _center = /*@__PURE__*/ new Vector3();\nconst _extents = /*@__PURE__*/ new Vector3();\nconst _triangleNormal = /*@__PURE__*/ new Vector3();\nconst _testAxis = /*@__PURE__*/ new Vector3();\n\nfunction satForAxes( axes, v0, v1, v2, extents ) {\n\n\tfor ( let i = 0, j = axes.length - 3; i <= j; i += 3 ) {\n\n\t\t_testAxis.fromArray( axes, i );\n\t\t// project the aabb onto the separating axis\n\t\tconst r = extents.x * Math.abs( _testAxis.x ) + extents.y * Math.abs( _testAxis.y ) + extents.z * Math.abs( _testAxis.z );\n\t\t// project all 3 vertices of the triangle onto the separating axis\n\t\tconst p0 = v0.dot( _testAxis );\n\t\tconst p1 = v1.dot( _testAxis );\n\t\tconst p2 = v2.dot( _testAxis );\n\t\t// actual test, basically see if either of the most extreme of the triangle points intersects r\n\t\tif ( Math.max( - Math.max( p0, p1, p2 ), Math.min( p0, p1, p2 ) ) > r ) {\n\n\t\t\t// points of the projected triangle are outside the projected half-length of the aabb\n\t\t\t// the axis is separating and we can exit\n\t\t\treturn false;\n\n\t\t}\n\n\t}\n\n\treturn true;\n\n}\n\nconst _box$3 = /*@__PURE__*/ new Box3();\nconst _v1$6 = /*@__PURE__*/ new Vector3();\nconst _v2$3 = /*@__PURE__*/ new Vector3();\n\nclass Sphere {\n\n\tconstructor( center = new Vector3(), radius = - 1 ) {\n\n\t\tthis.isSphere = true;\n\n\t\tthis.center = center;\n\t\tthis.radius = radius;\n\n\t}\n\n\tset( center, radius ) {\n\n\t\tthis.center.copy( center );\n\t\tthis.radius = radius;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points, optionalCenter ) {\n\n\t\tconst center = this.center;\n\n\t\tif ( optionalCenter !== undefined ) {\n\n\t\t\tcenter.copy( optionalCenter );\n\n\t\t} else {\n\n\t\t\t_box$3.setFromPoints( points ).getCenter( center );\n\n\t\t}\n\n\t\tlet maxRadiusSq = 0;\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) );\n\n\t\t}\n\n\t\tthis.radius = Math.sqrt( maxRadiusSq );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( sphere ) {\n\n\t\tthis.center.copy( sphere.center );\n\t\tthis.radius = sphere.radius;\n\n\t\treturn this;\n\n\t}\n\n\tisEmpty() {\n\n\t\treturn ( this.radius < 0 );\n\n\t}\n\n\tmakeEmpty() {\n\n\t\tthis.center.set( 0, 0, 0 );\n\t\tthis.radius = - 1;\n\n\t\treturn this;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn ( point.distanceTo( this.center ) - this.radius );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\tconst radiusSum = this.radius + sphere.radius;\n\n\t\treturn sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsSphere( this );\n\n\t}\n\n\tintersectsPlane( plane ) {\n\n\t\treturn Math.abs( plane.distanceToPoint( this.center ) ) <= this.radius;\n\n\t}\n\n\tclampPoint( point, target ) {\n\n\t\tconst deltaLengthSq = this.center.distanceToSquared( point );\n\n\t\ttarget.copy( point );\n\n\t\tif ( deltaLengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\ttarget.sub( this.center ).normalize();\n\t\t\ttarget.multiplyScalar( this.radius ).add( this.center );\n\n\t\t}\n\n\t\treturn target;\n\n\t}\n\n\tgetBoundingBox( target ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\t// Empty sphere produces empty bounding box\n\t\t\ttarget.makeEmpty();\n\t\t\treturn target;\n\n\t\t}\n\n\t\ttarget.set( this.center, this.center );\n\t\ttarget.expandByScalar( this.radius );\n\n\t\treturn target;\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tthis.center.applyMatrix4( matrix );\n\t\tthis.radius = this.radius * matrix.getMaxScaleOnAxis();\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.center.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\texpandByPoint( point ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\tthis.center.copy( point );\n\n\t\t\tthis.radius = 0;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\t_v1$6.subVectors( point, this.center );\n\n\t\tconst lengthSq = _v1$6.lengthSq();\n\n\t\tif ( lengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\t// calculate the minimal sphere\n\n\t\t\tconst length = Math.sqrt( lengthSq );\n\n\t\t\tconst delta = ( length - this.radius ) * 0.5;\n\n\t\t\tthis.center.addScaledVector( _v1$6, delta / length );\n\n\t\t\tthis.radius += delta;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tunion( sphere ) {\n\n\t\tif ( sphere.isEmpty() ) {\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\tthis.copy( sphere );\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( this.center.equals( sphere.center ) === true ) {\n\n\t\t\t this.radius = Math.max( this.radius, sphere.radius );\n\n\t\t} else {\n\n\t\t\t_v2$3.subVectors( sphere.center, this.center ).setLength( sphere.radius );\n\n\t\t\tthis.expandByPoint( _v1$6.copy( sphere.center ).add( _v2$3 ) );\n\n\t\t\tthis.expandByPoint( _v1$6.copy( sphere.center ).sub( _v2$3 ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tequals( sphere ) {\n\n\t\treturn sphere.center.equals( this.center ) && ( sphere.radius === this.radius );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _vector$a = /*@__PURE__*/ new Vector3();\nconst _segCenter = /*@__PURE__*/ new Vector3();\nconst _segDir = /*@__PURE__*/ new Vector3();\nconst _diff = /*@__PURE__*/ new Vector3();\n\nconst _edge1 = /*@__PURE__*/ new Vector3();\nconst _edge2 = /*@__PURE__*/ new Vector3();\nconst _normal$1 = /*@__PURE__*/ new Vector3();\n\nclass Ray {\n\n\tconstructor( origin = new Vector3(), direction = new Vector3( 0, 0, - 1 ) ) {\n\n\t\tthis.origin = origin;\n\t\tthis.direction = direction;\n\n\t}\n\n\tset( origin, direction ) {\n\n\t\tthis.origin.copy( origin );\n\t\tthis.direction.copy( direction );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( ray ) {\n\n\t\tthis.origin.copy( ray.origin );\n\t\tthis.direction.copy( ray.direction );\n\n\t\treturn this;\n\n\t}\n\n\tat( t, target ) {\n\n\t\treturn target.copy( this.origin ).addScaledVector( this.direction, t );\n\n\t}\n\n\tlookAt( v ) {\n\n\t\tthis.direction.copy( v ).sub( this.origin ).normalize();\n\n\t\treturn this;\n\n\t}\n\n\trecast( t ) {\n\n\t\tthis.origin.copy( this.at( t, _vector$a ) );\n\n\t\treturn this;\n\n\t}\n\n\tclosestPointToPoint( point, target ) {\n\n\t\ttarget.subVectors( point, this.origin );\n\n\t\tconst directionDistance = target.dot( this.direction );\n\n\t\tif ( directionDistance < 0 ) {\n\n\t\t\treturn target.copy( this.origin );\n\n\t\t}\n\n\t\treturn target.copy( this.origin ).addScaledVector( this.direction, directionDistance );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn Math.sqrt( this.distanceSqToPoint( point ) );\n\n\t}\n\n\tdistanceSqToPoint( point ) {\n\n\t\tconst directionDistance = _vector$a.subVectors( point, this.origin ).dot( this.direction );\n\n\t\t// point behind the ray\n\n\t\tif ( directionDistance < 0 ) {\n\n\t\t\treturn this.origin.distanceToSquared( point );\n\n\t\t}\n\n\t\t_vector$a.copy( this.origin ).addScaledVector( this.direction, directionDistance );\n\n\t\treturn _vector$a.distanceToSquared( point );\n\n\t}\n\n\tdistanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) {\n\n\t\t// from https://github.com/pmjoniak/GeometricTools/blob/master/GTEngine/Include/Mathematics/GteDistRaySegment.h\n\t\t// It returns the min distance between the ray and the segment\n\t\t// defined by v0 and v1\n\t\t// It can also set two optional targets :\n\t\t// - The closest point on the ray\n\t\t// - The closest point on the segment\n\n\t\t_segCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 );\n\t\t_segDir.copy( v1 ).sub( v0 ).normalize();\n\t\t_diff.copy( this.origin ).sub( _segCenter );\n\n\t\tconst segExtent = v0.distanceTo( v1 ) * 0.5;\n\t\tconst a01 = - this.direction.dot( _segDir );\n\t\tconst b0 = _diff.dot( this.direction );\n\t\tconst b1 = - _diff.dot( _segDir );\n\t\tconst c = _diff.lengthSq();\n\t\tconst det = Math.abs( 1 - a01 * a01 );\n\t\tlet s0, s1, sqrDist, extDet;\n\n\t\tif ( det > 0 ) {\n\n\t\t\t// The ray and segment are not parallel.\n\n\t\t\ts0 = a01 * b1 - b0;\n\t\t\ts1 = a01 * b0 - b1;\n\t\t\textDet = segExtent * det;\n\n\t\t\tif ( s0 >= 0 ) {\n\n\t\t\t\tif ( s1 >= - extDet ) {\n\n\t\t\t\t\tif ( s1 <= extDet ) {\n\n\t\t\t\t\t\t// region 0\n\t\t\t\t\t\t// Minimum at interior points of ray and segment.\n\n\t\t\t\t\t\tconst invDet = 1 / det;\n\t\t\t\t\t\ts0 *= invDet;\n\t\t\t\t\t\ts1 *= invDet;\n\t\t\t\t\t\tsqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// region 1\n\n\t\t\t\t\t\ts1 = segExtent;\n\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// region 5\n\n\t\t\t\t\ts1 = - segExtent;\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( s1 <= - extDet ) {\n\n\t\t\t\t\t// region 4\n\n\t\t\t\t\ts0 = Math.max( 0, - ( - a01 * segExtent + b0 ) );\n\t\t\t\t\ts1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t} else if ( s1 <= extDet ) {\n\n\t\t\t\t\t// region 3\n\n\t\t\t\t\ts0 = 0;\n\t\t\t\t\ts1 = Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// region 2\n\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * segExtent + b0 ) );\n\t\t\t\t\ts1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// Ray and segment are parallel.\n\n\t\t\ts1 = ( a01 > 0 ) ? - segExtent : segExtent;\n\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t}\n\n\t\tif ( optionalPointOnRay ) {\n\n\t\t\toptionalPointOnRay.copy( this.origin ).addScaledVector( this.direction, s0 );\n\n\t\t}\n\n\t\tif ( optionalPointOnSegment ) {\n\n\t\t\toptionalPointOnSegment.copy( _segCenter ).addScaledVector( _segDir, s1 );\n\n\t\t}\n\n\t\treturn sqrDist;\n\n\t}\n\n\tintersectSphere( sphere, target ) {\n\n\t\t_vector$a.subVectors( sphere.center, this.origin );\n\t\tconst tca = _vector$a.dot( this.direction );\n\t\tconst d2 = _vector$a.dot( _vector$a ) - tca * tca;\n\t\tconst radius2 = sphere.radius * sphere.radius;\n\n\t\tif ( d2 > radius2 ) return null;\n\n\t\tconst thc = Math.sqrt( radius2 - d2 );\n\n\t\t// t0 = first intersect point - entrance on front of sphere\n\t\tconst t0 = tca - thc;\n\n\t\t// t1 = second intersect point - exit point on back of sphere\n\t\tconst t1 = tca + thc;\n\n\t\t// test to see if t1 is behind the ray - if so, return null\n\t\tif ( t1 < 0 ) return null;\n\n\t\t// test to see if t0 is behind the ray:\n\t\t// if it is, the ray is inside the sphere, so return the second exit point scaled by t1,\n\t\t// in order to always return an intersect point that is in front of the ray.\n\t\tif ( t0 < 0 ) return this.at( t1, target );\n\n\t\t// else t0 is in front of the ray, so return the first collision point scaled by t0\n\t\treturn this.at( t0, target );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\treturn this.distanceSqToPoint( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t}\n\n\tdistanceToPlane( plane ) {\n\n\t\tconst denominator = plane.normal.dot( this.direction );\n\n\t\tif ( denominator === 0 ) {\n\n\t\t\t// line is coplanar, return origin\n\t\t\tif ( plane.distanceToPoint( this.origin ) === 0 ) {\n\n\t\t\t\treturn 0;\n\n\t\t\t}\n\n\t\t\t// Null is preferable to undefined since undefined means.... it is undefined\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator;\n\n\t\t// Return if the ray never intersects the plane\n\n\t\treturn t >= 0 ? t : null;\n\n\t}\n\n\tintersectPlane( plane, target ) {\n\n\t\tconst t = this.distanceToPlane( plane );\n\n\t\tif ( t === null ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\treturn this.at( t, target );\n\n\t}\n\n\tintersectsPlane( plane ) {\n\n\t\t// check if the ray lies on the plane first\n\n\t\tconst distToPoint = plane.distanceToPoint( this.origin );\n\n\t\tif ( distToPoint === 0 ) {\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\tconst denominator = plane.normal.dot( this.direction );\n\n\t\tif ( denominator * distToPoint < 0 ) {\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\t// ray origin is behind the plane (and is pointing behind it)\n\n\t\treturn false;\n\n\t}\n\n\tintersectBox( box, target ) {\n\n\t\tlet tmin, tmax, tymin, tymax, tzmin, tzmax;\n\n\t\tconst invdirx = 1 / this.direction.x,\n\t\t\tinvdiry = 1 / this.direction.y,\n\t\t\tinvdirz = 1 / this.direction.z;\n\n\t\tconst origin = this.origin;\n\n\t\tif ( invdirx >= 0 ) {\n\n\t\t\ttmin = ( box.min.x - origin.x ) * invdirx;\n\t\t\ttmax = ( box.max.x - origin.x ) * invdirx;\n\n\t\t} else {\n\n\t\t\ttmin = ( box.max.x - origin.x ) * invdirx;\n\t\t\ttmax = ( box.min.x - origin.x ) * invdirx;\n\n\t\t}\n\n\t\tif ( invdiry >= 0 ) {\n\n\t\t\ttymin = ( box.min.y - origin.y ) * invdiry;\n\t\t\ttymax = ( box.max.y - origin.y ) * invdiry;\n\n\t\t} else {\n\n\t\t\ttymin = ( box.max.y - origin.y ) * invdiry;\n\t\t\ttymax = ( box.min.y - origin.y ) * invdiry;\n\n\t\t}\n\n\t\tif ( ( tmin > tymax ) || ( tymin > tmax ) ) return null;\n\n\t\tif ( tymin > tmin || isNaN( tmin ) ) tmin = tymin;\n\n\t\tif ( tymax < tmax || isNaN( tmax ) ) tmax = tymax;\n\n\t\tif ( invdirz >= 0 ) {\n\n\t\t\ttzmin = ( box.min.z - origin.z ) * invdirz;\n\t\t\ttzmax = ( box.max.z - origin.z ) * invdirz;\n\n\t\t} else {\n\n\t\t\ttzmin = ( box.max.z - origin.z ) * invdirz;\n\t\t\ttzmax = ( box.min.z - origin.z ) * invdirz;\n\n\t\t}\n\n\t\tif ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null;\n\n\t\tif ( tzmin > tmin || tmin !== tmin ) tmin = tzmin;\n\n\t\tif ( tzmax < tmax || tmax !== tmax ) tmax = tzmax;\n\n\t\t//return point closest to the ray (positive side)\n\n\t\tif ( tmax < 0 ) return null;\n\n\t\treturn this.at( tmin >= 0 ? tmin : tmax, target );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn this.intersectBox( box, _vector$a ) !== null;\n\n\t}\n\n\tintersectTriangle( a, b, c, backfaceCulling, target ) {\n\n\t\t// Compute the offset origin, edges, and normal.\n\n\t\t// from https://github.com/pmjoniak/GeometricTools/blob/master/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h\n\n\t\t_edge1.subVectors( b, a );\n\t\t_edge2.subVectors( c, a );\n\t\t_normal$1.crossVectors( _edge1, _edge2 );\n\n\t\t// Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction,\n\t\t// E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by\n\t\t// |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2))\n\t\t// |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q))\n\t\t// |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N)\n\t\tlet DdN = this.direction.dot( _normal$1 );\n\t\tlet sign;\n\n\t\tif ( DdN > 0 ) {\n\n\t\t\tif ( backfaceCulling ) return null;\n\t\t\tsign = 1;\n\n\t\t} else if ( DdN < 0 ) {\n\n\t\t\tsign = - 1;\n\t\t\tDdN = - DdN;\n\n\t\t} else {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t_diff.subVectors( this.origin, a );\n\t\tconst DdQxE2 = sign * this.direction.dot( _edge2.crossVectors( _diff, _edge2 ) );\n\n\t\t// b1 < 0, no intersection\n\t\tif ( DdQxE2 < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst DdE1xQ = sign * this.direction.dot( _edge1.cross( _diff ) );\n\n\t\t// b2 < 0, no intersection\n\t\tif ( DdE1xQ < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// b1+b2 > 1, no intersection\n\t\tif ( DdQxE2 + DdE1xQ > DdN ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// Line intersects triangle, check if ray does.\n\t\tconst QdN = - sign * _diff.dot( _normal$1 );\n\n\t\t// t < 0, no intersection\n\t\tif ( QdN < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// Ray intersects triangle.\n\t\treturn this.at( QdN / DdN, target );\n\n\t}\n\n\tapplyMatrix4( matrix4 ) {\n\n\t\tthis.origin.applyMatrix4( matrix4 );\n\t\tthis.direction.transformDirection( matrix4 );\n\n\t\treturn this;\n\n\t}\n\n\tequals( ray ) {\n\n\t\treturn ray.origin.equals( this.origin ) && ray.direction.equals( this.direction );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nclass Matrix4 {\n\n\tconstructor( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {\n\n\t\tMatrix4.prototype.isMatrix4 = true;\n\n\t\tthis.elements = [\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t];\n\n\t\tif ( n11 !== undefined ) {\n\n\t\t\tthis.set( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 );\n\n\t\t}\n\n\t}\n\n\tset( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14;\n\t\tte[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24;\n\t\tte[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34;\n\t\tte[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44;\n\n\t\treturn this;\n\n\t}\n\n\tidentity() {\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new Matrix4().fromArray( this.elements );\n\n\t}\n\n\tcopy( m ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tte[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ]; te[ 3 ] = me[ 3 ];\n\t\tte[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ]; te[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ];\n\t\tte[ 8 ] = me[ 8 ]; te[ 9 ] = me[ 9 ]; te[ 10 ] = me[ 10 ]; te[ 11 ] = me[ 11 ];\n\t\tte[ 12 ] = me[ 12 ]; te[ 13 ] = me[ 13 ]; te[ 14 ] = me[ 14 ]; te[ 15 ] = me[ 15 ];\n\n\t\treturn this;\n\n\t}\n\n\tcopyPosition( m ) {\n\n\t\tconst te = this.elements, me = m.elements;\n\n\t\tte[ 12 ] = me[ 12 ];\n\t\tte[ 13 ] = me[ 13 ];\n\t\tte[ 14 ] = me[ 14 ];\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrix3( m ) {\n\n\t\tconst me = m.elements;\n\n\t\tthis.set(\n\n\t\t\tme[ 0 ], me[ 3 ], me[ 6 ], 0,\n\t\t\tme[ 1 ], me[ 4 ], me[ 7 ], 0,\n\t\t\tme[ 2 ], me[ 5 ], me[ 8 ], 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\textractBasis( xAxis, yAxis, zAxis ) {\n\n\t\txAxis.setFromMatrixColumn( this, 0 );\n\t\tyAxis.setFromMatrixColumn( this, 1 );\n\t\tzAxis.setFromMatrixColumn( this, 2 );\n\n\t\treturn this;\n\n\t}\n\n\tmakeBasis( xAxis, yAxis, zAxis ) {\n\n\t\tthis.set(\n\t\t\txAxis.x, yAxis.x, zAxis.x, 0,\n\t\t\txAxis.y, yAxis.y, zAxis.y, 0,\n\t\t\txAxis.z, yAxis.z, zAxis.z, 0,\n\t\t\t0, 0, 0, 1\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\textractRotation( m ) {\n\n\t\t// this method does not support reflection matrices\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tconst scaleX = 1 / _v1$5.setFromMatrixColumn( m, 0 ).length();\n\t\tconst scaleY = 1 / _v1$5.setFromMatrixColumn( m, 1 ).length();\n\t\tconst scaleZ = 1 / _v1$5.setFromMatrixColumn( m, 2 ).length();\n\n\t\tte[ 0 ] = me[ 0 ] * scaleX;\n\t\tte[ 1 ] = me[ 1 ] * scaleX;\n\t\tte[ 2 ] = me[ 2 ] * scaleX;\n\t\tte[ 3 ] = 0;\n\n\t\tte[ 4 ] = me[ 4 ] * scaleY;\n\t\tte[ 5 ] = me[ 5 ] * scaleY;\n\t\tte[ 6 ] = me[ 6 ] * scaleY;\n\t\tte[ 7 ] = 0;\n\n\t\tte[ 8 ] = me[ 8 ] * scaleZ;\n\t\tte[ 9 ] = me[ 9 ] * scaleZ;\n\t\tte[ 10 ] = me[ 10 ] * scaleZ;\n\t\tte[ 11 ] = 0;\n\n\t\tte[ 12 ] = 0;\n\t\tte[ 13 ] = 0;\n\t\tte[ 14 ] = 0;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationFromEuler( euler ) {\n\n\t\tconst te = this.elements;\n\n\t\tconst x = euler.x, y = euler.y, z = euler.z;\n\t\tconst a = Math.cos( x ), b = Math.sin( x );\n\t\tconst c = Math.cos( y ), d = Math.sin( y );\n\t\tconst e = Math.cos( z ), f = Math.sin( z );\n\n\t\tif ( euler.order === 'XYZ' ) {\n\n\t\t\tconst ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = - c * f;\n\t\t\tte[ 8 ] = d;\n\n\t\t\tte[ 1 ] = af + be * d;\n\t\t\tte[ 5 ] = ae - bf * d;\n\t\t\tte[ 9 ] = - b * c;\n\n\t\t\tte[ 2 ] = bf - ae * d;\n\t\t\tte[ 6 ] = be + af * d;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'YXZ' ) {\n\n\t\t\tconst ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\tte[ 0 ] = ce + df * b;\n\t\t\tte[ 4 ] = de * b - cf;\n\t\t\tte[ 8 ] = a * d;\n\n\t\t\tte[ 1 ] = a * f;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = - b;\n\n\t\t\tte[ 2 ] = cf * b - de;\n\t\t\tte[ 6 ] = df + ce * b;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'ZXY' ) {\n\n\t\t\tconst ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\tte[ 0 ] = ce - df * b;\n\t\t\tte[ 4 ] = - a * f;\n\t\t\tte[ 8 ] = de + cf * b;\n\n\t\t\tte[ 1 ] = cf + de * b;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = df - ce * b;\n\n\t\t\tte[ 2 ] = - a * d;\n\t\t\tte[ 6 ] = b;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'ZYX' ) {\n\n\t\t\tconst ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = be * d - af;\n\t\t\tte[ 8 ] = ae * d + bf;\n\n\t\t\tte[ 1 ] = c * f;\n\t\t\tte[ 5 ] = bf * d + ae;\n\t\t\tte[ 9 ] = af * d - be;\n\n\t\t\tte[ 2 ] = - d;\n\t\t\tte[ 6 ] = b * c;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'YZX' ) {\n\n\t\t\tconst ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = bd - ac * f;\n\t\t\tte[ 8 ] = bc * f + ad;\n\n\t\t\tte[ 1 ] = f;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = - b * e;\n\n\t\t\tte[ 2 ] = - d * e;\n\t\t\tte[ 6 ] = ad * f + bc;\n\t\t\tte[ 10 ] = ac - bd * f;\n\n\t\t} else if ( euler.order === 'XZY' ) {\n\n\t\t\tconst ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = - f;\n\t\t\tte[ 8 ] = d * e;\n\n\t\t\tte[ 1 ] = ac * f + bd;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = ad * f - bc;\n\n\t\t\tte[ 2 ] = bc * f - ad;\n\t\t\tte[ 6 ] = b * e;\n\t\t\tte[ 10 ] = bd * f + ac;\n\n\t\t}\n\n\t\t// bottom row\n\t\tte[ 3 ] = 0;\n\t\tte[ 7 ] = 0;\n\t\tte[ 11 ] = 0;\n\n\t\t// last column\n\t\tte[ 12 ] = 0;\n\t\tte[ 13 ] = 0;\n\t\tte[ 14 ] = 0;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationFromQuaternion( q ) {\n\n\t\treturn this.compose( _zero, q, _one );\n\n\t}\n\n\tlookAt( eye, target, up ) {\n\n\t\tconst te = this.elements;\n\n\t\t_z.subVectors( eye, target );\n\n\t\tif ( _z.lengthSq() === 0 ) {\n\n\t\t\t// eye and target are in the same position\n\n\t\t\t_z.z = 1;\n\n\t\t}\n\n\t\t_z.normalize();\n\t\t_x.crossVectors( up, _z );\n\n\t\tif ( _x.lengthSq() === 0 ) {\n\n\t\t\t// up and z are parallel\n\n\t\t\tif ( Math.abs( up.z ) === 1 ) {\n\n\t\t\t\t_z.x += 0.0001;\n\n\t\t\t} else {\n\n\t\t\t\t_z.z += 0.0001;\n\n\t\t\t}\n\n\t\t\t_z.normalize();\n\t\t\t_x.crossVectors( up, _z );\n\n\t\t}\n\n\t\t_x.normalize();\n\t\t_y.crossVectors( _z, _x );\n\n\t\tte[ 0 ] = _x.x; te[ 4 ] = _y.x; te[ 8 ] = _z.x;\n\t\tte[ 1 ] = _x.y; te[ 5 ] = _y.y; te[ 9 ] = _z.y;\n\t\tte[ 2 ] = _x.z; te[ 6 ] = _y.z; te[ 10 ] = _z.z;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( m ) {\n\n\t\treturn this.multiplyMatrices( this, m );\n\n\t}\n\n\tpremultiply( m ) {\n\n\t\treturn this.multiplyMatrices( m, this );\n\n\t}\n\n\tmultiplyMatrices( a, b ) {\n\n\t\tconst ae = a.elements;\n\t\tconst be = b.elements;\n\t\tconst te = this.elements;\n\n\t\tconst a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ];\n\t\tconst a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ];\n\t\tconst a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ];\n\t\tconst a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ];\n\n\t\tconst b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ];\n\t\tconst b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ];\n\t\tconst b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ];\n\t\tconst b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ];\n\n\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41;\n\t\tte[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42;\n\t\tte[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43;\n\t\tte[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44;\n\n\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41;\n\t\tte[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42;\n\t\tte[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43;\n\t\tte[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44;\n\n\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41;\n\t\tte[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42;\n\t\tte[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43;\n\t\tte[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44;\n\n\t\tte[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41;\n\t\tte[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42;\n\t\tte[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43;\n\t\tte[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( s ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s;\n\t\tte[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s;\n\t\tte[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s;\n\t\tte[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s;\n\n\t\treturn this;\n\n\t}\n\n\tdeterminant() {\n\n\t\tconst te = this.elements;\n\n\t\tconst n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ];\n\t\tconst n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ];\n\t\tconst n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ];\n\t\tconst n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ];\n\n\t\t//TODO: make this more efficient\n\t\t//( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm )\n\n\t\treturn (\n\t\t\tn41 * (\n\t\t\t\t+ n14 * n23 * n32\n\t\t\t\t - n13 * n24 * n32\n\t\t\t\t - n14 * n22 * n33\n\t\t\t\t + n12 * n24 * n33\n\t\t\t\t + n13 * n22 * n34\n\t\t\t\t - n12 * n23 * n34\n\t\t\t) +\n\t\t\tn42 * (\n\t\t\t\t+ n11 * n23 * n34\n\t\t\t\t - n11 * n24 * n33\n\t\t\t\t + n14 * n21 * n33\n\t\t\t\t - n13 * n21 * n34\n\t\t\t\t + n13 * n24 * n31\n\t\t\t\t - n14 * n23 * n31\n\t\t\t) +\n\t\t\tn43 * (\n\t\t\t\t+ n11 * n24 * n32\n\t\t\t\t - n11 * n22 * n34\n\t\t\t\t - n14 * n21 * n32\n\t\t\t\t + n12 * n21 * n34\n\t\t\t\t + n14 * n22 * n31\n\t\t\t\t - n12 * n24 * n31\n\t\t\t) +\n\t\t\tn44 * (\n\t\t\t\t- n13 * n22 * n31\n\t\t\t\t - n11 * n23 * n32\n\t\t\t\t + n11 * n22 * n33\n\t\t\t\t + n13 * n21 * n32\n\t\t\t\t - n12 * n21 * n33\n\t\t\t\t + n12 * n23 * n31\n\t\t\t)\n\n\t\t);\n\n\t}\n\n\ttranspose() {\n\n\t\tconst te = this.elements;\n\t\tlet tmp;\n\n\t\ttmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp;\n\t\ttmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp;\n\t\ttmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp;\n\n\t\ttmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp;\n\t\ttmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp;\n\t\ttmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp;\n\n\t\treturn this;\n\n\t}\n\n\tsetPosition( x, y, z ) {\n\n\t\tconst te = this.elements;\n\n\t\tif ( x.isVector3 ) {\n\n\t\t\tte[ 12 ] = x.x;\n\t\t\tte[ 13 ] = x.y;\n\t\t\tte[ 14 ] = x.z;\n\n\t\t} else {\n\n\t\t\tte[ 12 ] = x;\n\t\t\tte[ 13 ] = y;\n\t\t\tte[ 14 ] = z;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tinvert() {\n\n\t\t// based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm\n\t\tconst te = this.elements,\n\n\t\t\tn11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ], n41 = te[ 3 ],\n\t\t\tn12 = te[ 4 ], n22 = te[ 5 ], n32 = te[ 6 ], n42 = te[ 7 ],\n\t\t\tn13 = te[ 8 ], n23 = te[ 9 ], n33 = te[ 10 ], n43 = te[ 11 ],\n\t\t\tn14 = te[ 12 ], n24 = te[ 13 ], n34 = te[ 14 ], n44 = te[ 15 ],\n\n\t\t\tt11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44,\n\t\t\tt12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44,\n\t\t\tt13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44,\n\t\t\tt14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34;\n\n\t\tconst det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14;\n\n\t\tif ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 );\n\n\t\tconst detInv = 1 / det;\n\n\t\tte[ 0 ] = t11 * detInv;\n\t\tte[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv;\n\t\tte[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv;\n\t\tte[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv;\n\n\t\tte[ 4 ] = t12 * detInv;\n\t\tte[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv;\n\t\tte[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv;\n\t\tte[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv;\n\n\t\tte[ 8 ] = t13 * detInv;\n\t\tte[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv;\n\t\tte[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv;\n\t\tte[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv;\n\n\t\tte[ 12 ] = t14 * detInv;\n\t\tte[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv;\n\t\tte[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv;\n\t\tte[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv;\n\n\t\treturn this;\n\n\t}\n\n\tscale( v ) {\n\n\t\tconst te = this.elements;\n\t\tconst x = v.x, y = v.y, z = v.z;\n\n\t\tte[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z;\n\t\tte[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z;\n\t\tte[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z;\n\t\tte[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z;\n\n\t\treturn this;\n\n\t}\n\n\tgetMaxScaleOnAxis() {\n\n\t\tconst te = this.elements;\n\n\t\tconst scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ];\n\t\tconst scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ];\n\t\tconst scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ];\n\n\t\treturn Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) );\n\n\t}\n\n\tmakeTranslation( x, y, z ) {\n\n\t\tif ( x.isVector3 ) {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, x.x,\n\t\t\t\t0, 1, 0, x.y,\n\t\t\t\t0, 0, 1, x.z,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t} else {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, x,\n\t\t\t\t0, 1, 0, y,\n\t\t\t\t0, 0, 1, z,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationX( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, c, - s, 0,\n\t\t\t0, s, c, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationY( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\t c, 0, s, 0,\n\t\t\t 0, 1, 0, 0,\n\t\t\t- s, 0, c, 0,\n\t\t\t 0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationZ( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\tc, - s, 0, 0,\n\t\t\ts, c, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationAxis( axis, angle ) {\n\n\t\t// Based on http://www.gamedev.net/reference/articles/article1199.asp\n\n\t\tconst c = Math.cos( angle );\n\t\tconst s = Math.sin( angle );\n\t\tconst t = 1 - c;\n\t\tconst x = axis.x, y = axis.y, z = axis.z;\n\t\tconst tx = t * x, ty = t * y;\n\n\t\tthis.set(\n\n\t\t\ttx * x + c, tx * y - s * z, tx * z + s * y, 0,\n\t\t\ttx * y + s * z, ty * y + c, ty * z - s * x, 0,\n\t\t\ttx * z - s * y, ty * z + s * x, t * z * z + c, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeScale( x, y, z ) {\n\n\t\tthis.set(\n\n\t\t\tx, 0, 0, 0,\n\t\t\t0, y, 0, 0,\n\t\t\t0, 0, z, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeShear( xy, xz, yx, yz, zx, zy ) {\n\n\t\tthis.set(\n\n\t\t\t1, yx, zx, 0,\n\t\t\txy, 1, zy, 0,\n\t\t\txz, yz, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tcompose( position, quaternion, scale ) {\n\n\t\tconst te = this.elements;\n\n\t\tconst x = quaternion._x, y = quaternion._y, z = quaternion._z, w = quaternion._w;\n\t\tconst x2 = x + x,\ty2 = y + y, z2 = z + z;\n\t\tconst xx = x * x2, xy = x * y2, xz = x * z2;\n\t\tconst yy = y * y2, yz = y * z2, zz = z * z2;\n\t\tconst wx = w * x2, wy = w * y2, wz = w * z2;\n\n\t\tconst sx = scale.x, sy = scale.y, sz = scale.z;\n\n\t\tte[ 0 ] = ( 1 - ( yy + zz ) ) * sx;\n\t\tte[ 1 ] = ( xy + wz ) * sx;\n\t\tte[ 2 ] = ( xz - wy ) * sx;\n\t\tte[ 3 ] = 0;\n\n\t\tte[ 4 ] = ( xy - wz ) * sy;\n\t\tte[ 5 ] = ( 1 - ( xx + zz ) ) * sy;\n\t\tte[ 6 ] = ( yz + wx ) * sy;\n\t\tte[ 7 ] = 0;\n\n\t\tte[ 8 ] = ( xz + wy ) * sz;\n\t\tte[ 9 ] = ( yz - wx ) * sz;\n\t\tte[ 10 ] = ( 1 - ( xx + yy ) ) * sz;\n\t\tte[ 11 ] = 0;\n\n\t\tte[ 12 ] = position.x;\n\t\tte[ 13 ] = position.y;\n\t\tte[ 14 ] = position.z;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tdecompose( position, quaternion, scale ) {\n\n\t\tconst te = this.elements;\n\n\t\tlet sx = _v1$5.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length();\n\t\tconst sy = _v1$5.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length();\n\t\tconst sz = _v1$5.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length();\n\n\t\t// if determine is negative, we need to invert one scale\n\t\tconst det = this.determinant();\n\t\tif ( det < 0 ) sx = - sx;\n\n\t\tposition.x = te[ 12 ];\n\t\tposition.y = te[ 13 ];\n\t\tposition.z = te[ 14 ];\n\n\t\t// scale the rotation part\n\t\t_m1$2.copy( this );\n\n\t\tconst invSX = 1 / sx;\n\t\tconst invSY = 1 / sy;\n\t\tconst invSZ = 1 / sz;\n\n\t\t_m1$2.elements[ 0 ] *= invSX;\n\t\t_m1$2.elements[ 1 ] *= invSX;\n\t\t_m1$2.elements[ 2 ] *= invSX;\n\n\t\t_m1$2.elements[ 4 ] *= invSY;\n\t\t_m1$2.elements[ 5 ] *= invSY;\n\t\t_m1$2.elements[ 6 ] *= invSY;\n\n\t\t_m1$2.elements[ 8 ] *= invSZ;\n\t\t_m1$2.elements[ 9 ] *= invSZ;\n\t\t_m1$2.elements[ 10 ] *= invSZ;\n\n\t\tquaternion.setFromRotationMatrix( _m1$2 );\n\n\t\tscale.x = sx;\n\t\tscale.y = sy;\n\t\tscale.z = sz;\n\n\t\treturn this;\n\n\t}\n\n\tmakePerspective( left, right, top, bottom, near, far, coordinateSystem = WebGLCoordinateSystem ) {\n\n\t\tconst te = this.elements;\n\t\tconst x = 2 * near / ( right - left );\n\t\tconst y = 2 * near / ( top - bottom );\n\n\t\tconst a = ( right + left ) / ( right - left );\n\t\tconst b = ( top + bottom ) / ( top - bottom );\n\n\t\tlet c, d;\n\n\t\tif ( coordinateSystem === WebGLCoordinateSystem ) {\n\n\t\t\tc = - ( far + near ) / ( far - near );\n\t\t\td = ( - 2 * far * near ) / ( far - near );\n\n\t\t} else if ( coordinateSystem === WebGPUCoordinateSystem ) {\n\n\t\t\tc = - far / ( far - near );\n\t\t\td = ( - far * near ) / ( far - near );\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'THREE.Matrix4.makePerspective(): Invalid coordinate system: ' + coordinateSystem );\n\n\t\t}\n\n\t\tte[ 0 ] = x;\tte[ 4 ] = 0;\tte[ 8 ] = a; \tte[ 12 ] = 0;\n\t\tte[ 1 ] = 0;\tte[ 5 ] = y;\tte[ 9 ] = b; \tte[ 13 ] = 0;\n\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = c; \tte[ 14 ] = d;\n\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = - 1;\tte[ 15 ] = 0;\n\n\t\treturn this;\n\n\t}\n\n\tmakeOrthographic( left, right, top, bottom, near, far, coordinateSystem = WebGLCoordinateSystem ) {\n\n\t\tconst te = this.elements;\n\t\tconst w = 1.0 / ( right - left );\n\t\tconst h = 1.0 / ( top - bottom );\n\t\tconst p = 1.0 / ( far - near );\n\n\t\tconst x = ( right + left ) * w;\n\t\tconst y = ( top + bottom ) * h;\n\n\t\tlet z, zInv;\n\n\t\tif ( coordinateSystem === WebGLCoordinateSystem ) {\n\n\t\t\tz = ( far + near ) * p;\n\t\t\tzInv = - 2 * p;\n\n\t\t} else if ( coordinateSystem === WebGPUCoordinateSystem ) {\n\n\t\t\tz = near * p;\n\t\t\tzInv = - 1 * p;\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'THREE.Matrix4.makeOrthographic(): Invalid coordinate system: ' + coordinateSystem );\n\n\t\t}\n\n\t\tte[ 0 ] = 2 * w;\tte[ 4 ] = 0;\t\tte[ 8 ] = 0; \t\tte[ 12 ] = - x;\n\t\tte[ 1 ] = 0; \t\tte[ 5 ] = 2 * h;\tte[ 9 ] = 0; \t\tte[ 13 ] = - y;\n\t\tte[ 2 ] = 0; \t\tte[ 6 ] = 0;\t\tte[ 10 ] = zInv;\tte[ 14 ] = - z;\n\t\tte[ 3 ] = 0; \t\tte[ 7 ] = 0;\t\tte[ 11 ] = 0;\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tequals( matrix ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = matrix.elements;\n\n\t\tfor ( let i = 0; i < 16; i ++ ) {\n\n\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tfor ( let i = 0; i < 16; i ++ ) {\n\n\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst te = this.elements;\n\n\t\tarray[ offset ] = te[ 0 ];\n\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\tarray[ offset + 2 ] = te[ 2 ];\n\t\tarray[ offset + 3 ] = te[ 3 ];\n\n\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\tarray[ offset + 5 ] = te[ 5 ];\n\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\tarray[ offset + 7 ] = te[ 7 ];\n\n\t\tarray[ offset + 8 ] = te[ 8 ];\n\t\tarray[ offset + 9 ] = te[ 9 ];\n\t\tarray[ offset + 10 ] = te[ 10 ];\n\t\tarray[ offset + 11 ] = te[ 11 ];\n\n\t\tarray[ offset + 12 ] = te[ 12 ];\n\t\tarray[ offset + 13 ] = te[ 13 ];\n\t\tarray[ offset + 14 ] = te[ 14 ];\n\t\tarray[ offset + 15 ] = te[ 15 ];\n\n\t\treturn array;\n\n\t}\n\n}\n\nconst _v1$5 = /*@__PURE__*/ new Vector3();\nconst _m1$2 = /*@__PURE__*/ new Matrix4();\nconst _zero = /*@__PURE__*/ new Vector3( 0, 0, 0 );\nconst _one = /*@__PURE__*/ new Vector3( 1, 1, 1 );\nconst _x = /*@__PURE__*/ new Vector3();\nconst _y = /*@__PURE__*/ new Vector3();\nconst _z = /*@__PURE__*/ new Vector3();\n\nconst _matrix$2 = /*@__PURE__*/ new Matrix4();\nconst _quaternion$3 = /*@__PURE__*/ new Quaternion();\n\nclass Euler {\n\n\tconstructor( x = 0, y = 0, z = 0, order = Euler.DEFAULT_ORDER ) {\n\n\t\tthis.isEuler = true;\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._order = order;\n\n\t}\n\n\tget x() {\n\n\t\treturn this._x;\n\n\t}\n\n\tset x( value ) {\n\n\t\tthis._x = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget y() {\n\n\t\treturn this._y;\n\n\t}\n\n\tset y( value ) {\n\n\t\tthis._y = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget z() {\n\n\t\treturn this._z;\n\n\t}\n\n\tset z( value ) {\n\n\t\tthis._z = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget order() {\n\n\t\treturn this._order;\n\n\t}\n\n\tset order( value ) {\n\n\t\tthis._order = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tset( x, y, z, order = this._order ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._order = order;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this._x, this._y, this._z, this._order );\n\n\t}\n\n\tcopy( euler ) {\n\n\t\tthis._x = euler._x;\n\t\tthis._y = euler._y;\n\t\tthis._z = euler._z;\n\t\tthis._order = euler._order;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromRotationMatrix( m, order = this._order, update = true ) {\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tconst te = m.elements;\n\t\tconst m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ];\n\t\tconst m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ];\n\t\tconst m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\tswitch ( order ) {\n\n\t\t\tcase 'XYZ':\n\n\t\t\t\tthis._y = Math.asin( clamp( m13, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m13 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'YXZ':\n\n\t\t\t\tthis._x = Math.asin( - clamp( m23, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m23 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZXY':\n\n\t\t\t\tthis._x = Math.asin( clamp( m32, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m32 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = 0;\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZYX':\n\n\t\t\t\tthis._y = Math.asin( - clamp( m31, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m31 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'YZX':\n\n\t\t\t\tthis._z = Math.asin( clamp( m21, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m21 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m22 );\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'XZY':\n\n\t\t\t\tthis._z = Math.asin( - clamp( m12, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m12 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._y = Math.atan2( m13, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._y = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\n\t\t\t\tconsole.warn( 'THREE.Euler: .setFromRotationMatrix() encountered an unknown order: ' + order );\n\n\t\t}\n\n\t\tthis._order = order;\n\n\t\tif ( update === true ) this._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromQuaternion( q, order, update ) {\n\n\t\t_matrix$2.makeRotationFromQuaternion( q );\n\n\t\treturn this.setFromRotationMatrix( _matrix$2, order, update );\n\n\t}\n\n\tsetFromVector3( v, order = this._order ) {\n\n\t\treturn this.set( v.x, v.y, v.z, order );\n\n\t}\n\n\treorder( newOrder ) {\n\n\t\t// WARNING: this discards revolution information -bhouston\n\n\t\t_quaternion$3.setFromEuler( this );\n\n\t\treturn this.setFromQuaternion( _quaternion$3, newOrder );\n\n\t}\n\n\tequals( euler ) {\n\n\t\treturn ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order );\n\n\t}\n\n\tfromArray( array ) {\n\n\t\tthis._x = array[ 0 ];\n\t\tthis._y = array[ 1 ];\n\t\tthis._z = array[ 2 ];\n\t\tif ( array[ 3 ] !== undefined ) this._order = array[ 3 ];\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this._x;\n\t\tarray[ offset + 1 ] = this._y;\n\t\tarray[ offset + 2 ] = this._z;\n\t\tarray[ offset + 3 ] = this._order;\n\n\t\treturn array;\n\n\t}\n\n\t_onChange( callback ) {\n\n\t\tthis._onChangeCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\t_onChangeCallback() {}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this._x;\n\t\tyield this._y;\n\t\tyield this._z;\n\t\tyield this._order;\n\n\t}\n\n}\n\nEuler.DEFAULT_ORDER = 'XYZ';\n\nclass Layers {\n\n\tconstructor() {\n\n\t\tthis.mask = 1 | 0;\n\n\t}\n\n\tset( channel ) {\n\n\t\tthis.mask = ( 1 << channel | 0 ) >>> 0;\n\n\t}\n\n\tenable( channel ) {\n\n\t\tthis.mask |= 1 << channel | 0;\n\n\t}\n\n\tenableAll() {\n\n\t\tthis.mask = 0xffffffff | 0;\n\n\t}\n\n\ttoggle( channel ) {\n\n\t\tthis.mask ^= 1 << channel | 0;\n\n\t}\n\n\tdisable( channel ) {\n\n\t\tthis.mask &= ~ ( 1 << channel | 0 );\n\n\t}\n\n\tdisableAll() {\n\n\t\tthis.mask = 0;\n\n\t}\n\n\ttest( layers ) {\n\n\t\treturn ( this.mask & layers.mask ) !== 0;\n\n\t}\n\n\tisEnabled( channel ) {\n\n\t\treturn ( this.mask & ( 1 << channel | 0 ) ) !== 0;\n\n\t}\n\n}\n\nlet _object3DId = 0;\n\nconst _v1$4 = /*@__PURE__*/ new Vector3();\nconst _q1 = /*@__PURE__*/ new Quaternion();\nconst _m1$1 = /*@__PURE__*/ new Matrix4();\nconst _target = /*@__PURE__*/ new Vector3();\n\nconst _position$3 = /*@__PURE__*/ new Vector3();\nconst _scale$2 = /*@__PURE__*/ new Vector3();\nconst _quaternion$2 = /*@__PURE__*/ new Quaternion();\n\nconst _xAxis = /*@__PURE__*/ new Vector3( 1, 0, 0 );\nconst _yAxis = /*@__PURE__*/ new Vector3( 0, 1, 0 );\nconst _zAxis = /*@__PURE__*/ new Vector3( 0, 0, 1 );\n\nconst _addedEvent = { type: 'added' };\nconst _removedEvent = { type: 'removed' };\n\nconst _childaddedEvent = { type: 'childadded', child: null };\nconst _childremovedEvent = { type: 'childremoved', child: null };\n\nclass Object3D extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isObject3D = true;\n\n\t\tObject.defineProperty( this, 'id', { value: _object3DId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Object3D';\n\n\t\tthis.parent = null;\n\t\tthis.children = [];\n\n\t\tthis.up = Object3D.DEFAULT_UP.clone();\n\n\t\tconst position = new Vector3();\n\t\tconst rotation = new Euler();\n\t\tconst quaternion = new Quaternion();\n\t\tconst scale = new Vector3( 1, 1, 1 );\n\n\t\tfunction onRotationChange() {\n\n\t\t\tquaternion.setFromEuler( rotation, false );\n\n\t\t}\n\n\t\tfunction onQuaternionChange() {\n\n\t\t\trotation.setFromQuaternion( quaternion, undefined, false );\n\n\t\t}\n\n\t\trotation._onChange( onRotationChange );\n\t\tquaternion._onChange( onQuaternionChange );\n\n\t\tObject.defineProperties( this, {\n\t\t\tposition: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: position\n\t\t\t},\n\t\t\trotation: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: rotation\n\t\t\t},\n\t\t\tquaternion: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: quaternion\n\t\t\t},\n\t\t\tscale: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: scale\n\t\t\t},\n\t\t\tmodelViewMatrix: {\n\t\t\t\tvalue: new Matrix4()\n\t\t\t},\n\t\t\tnormalMatrix: {\n\t\t\t\tvalue: new Matrix3()\n\t\t\t}\n\t\t} );\n\n\t\tthis.matrix = new Matrix4();\n\t\tthis.matrixWorld = new Matrix4();\n\n\t\tthis.matrixAutoUpdate = Object3D.DEFAULT_MATRIX_AUTO_UPDATE;\n\n\t\tthis.matrixWorldAutoUpdate = Object3D.DEFAULT_MATRIX_WORLD_AUTO_UPDATE; // checked by the renderer\n\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\tthis.layers = new Layers();\n\t\tthis.visible = true;\n\n\t\tthis.castShadow = false;\n\t\tthis.receiveShadow = false;\n\n\t\tthis.frustumCulled = true;\n\t\tthis.renderOrder = 0;\n\n\t\tthis.animations = [];\n\n\t\tthis.userData = {};\n\n\t}\n\n\tonBeforeShadow( /* renderer, object, camera, shadowCamera, geometry, depthMaterial, group */ ) {}\n\n\tonAfterShadow( /* renderer, object, camera, shadowCamera, geometry, depthMaterial, group */ ) {}\n\n\tonBeforeRender( /* renderer, scene, camera, geometry, material, group */ ) {}\n\n\tonAfterRender( /* renderer, scene, camera, geometry, material, group */ ) {}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tthis.matrix.premultiply( matrix );\n\n\t\tthis.matrix.decompose( this.position, this.quaternion, this.scale );\n\n\t}\n\n\tapplyQuaternion( q ) {\n\n\t\tthis.quaternion.premultiply( q );\n\n\t\treturn this;\n\n\t}\n\n\tsetRotationFromAxisAngle( axis, angle ) {\n\n\t\t// assumes axis is normalized\n\n\t\tthis.quaternion.setFromAxisAngle( axis, angle );\n\n\t}\n\n\tsetRotationFromEuler( euler ) {\n\n\t\tthis.quaternion.setFromEuler( euler, true );\n\n\t}\n\n\tsetRotationFromMatrix( m ) {\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tthis.quaternion.setFromRotationMatrix( m );\n\n\t}\n\n\tsetRotationFromQuaternion( q ) {\n\n\t\t// assumes q is normalized\n\n\t\tthis.quaternion.copy( q );\n\n\t}\n\n\trotateOnAxis( axis, angle ) {\n\n\t\t// rotate object on axis in object space\n\t\t// axis is assumed to be normalized\n\n\t\t_q1.setFromAxisAngle( axis, angle );\n\n\t\tthis.quaternion.multiply( _q1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateOnWorldAxis( axis, angle ) {\n\n\t\t// rotate object on axis in world space\n\t\t// axis is assumed to be normalized\n\t\t// method assumes no rotated parent\n\n\t\t_q1.setFromAxisAngle( axis, angle );\n\n\t\tthis.quaternion.premultiply( _q1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateX( angle ) {\n\n\t\treturn this.rotateOnAxis( _xAxis, angle );\n\n\t}\n\n\trotateY( angle ) {\n\n\t\treturn this.rotateOnAxis( _yAxis, angle );\n\n\t}\n\n\trotateZ( angle ) {\n\n\t\treturn this.rotateOnAxis( _zAxis, angle );\n\n\t}\n\n\ttranslateOnAxis( axis, distance ) {\n\n\t\t// translate object by distance along axis in object space\n\t\t// axis is assumed to be normalized\n\n\t\t_v1$4.copy( axis ).applyQuaternion( this.quaternion );\n\n\t\tthis.position.add( _v1$4.multiplyScalar( distance ) );\n\n\t\treturn this;\n\n\t}\n\n\ttranslateX( distance ) {\n\n\t\treturn this.translateOnAxis( _xAxis, distance );\n\n\t}\n\n\ttranslateY( distance ) {\n\n\t\treturn this.translateOnAxis( _yAxis, distance );\n\n\t}\n\n\ttranslateZ( distance ) {\n\n\t\treturn this.translateOnAxis( _zAxis, distance );\n\n\t}\n\n\tlocalToWorld( vector ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\treturn vector.applyMatrix4( this.matrixWorld );\n\n\t}\n\n\tworldToLocal( vector ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\treturn vector.applyMatrix4( _m1$1.copy( this.matrixWorld ).invert() );\n\n\t}\n\n\tlookAt( x, y, z ) {\n\n\t\t// This method does not support objects having non-uniformly-scaled parent(s)\n\n\t\tif ( x.isVector3 ) {\n\n\t\t\t_target.copy( x );\n\n\t\t} else {\n\n\t\t\t_target.set( x, y, z );\n\n\t\t}\n\n\t\tconst parent = this.parent;\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\t_position$3.setFromMatrixPosition( this.matrixWorld );\n\n\t\tif ( this.isCamera || this.isLight ) {\n\n\t\t\t_m1$1.lookAt( _position$3, _target, this.up );\n\n\t\t} else {\n\n\t\t\t_m1$1.lookAt( _target, _position$3, this.up );\n\n\t\t}\n\n\t\tthis.quaternion.setFromRotationMatrix( _m1$1 );\n\n\t\tif ( parent ) {\n\n\t\t\t_m1$1.extractRotation( parent.matrixWorld );\n\t\t\t_q1.setFromRotationMatrix( _m1$1 );\n\t\t\tthis.quaternion.premultiply( _q1.invert() );\n\n\t\t}\n\n\t}\n\n\tadd( object ) {\n\n\t\tif ( arguments.length > 1 ) {\n\n\t\t\tfor ( let i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\tthis.add( arguments[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( object === this ) {\n\n\t\t\tconsole.error( 'THREE.Object3D.add: object can\\'t be added as a child of itself.', object );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( object && object.isObject3D ) {\n\n\t\t\tobject.removeFromParent();\n\t\t\tobject.parent = this;\n\t\t\tthis.children.push( object );\n\n\t\t\tobject.dispatchEvent( _addedEvent );\n\n\t\t\t_childaddedEvent.child = object;\n\t\t\tthis.dispatchEvent( _childaddedEvent );\n\t\t\t_childaddedEvent.child = null;\n\n\t\t} else {\n\n\t\t\tconsole.error( 'THREE.Object3D.add: object not an instance of THREE.Object3D.', object );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tremove( object ) {\n\n\t\tif ( arguments.length > 1 ) {\n\n\t\t\tfor ( let i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\tthis.remove( arguments[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst index = this.children.indexOf( object );\n\n\t\tif ( index !== - 1 ) {\n\n\t\t\tobject.parent = null;\n\t\t\tthis.children.splice( index, 1 );\n\n\t\t\tobject.dispatchEvent( _removedEvent );\n\n\t\t\t_childremovedEvent.child = object;\n\t\t\tthis.dispatchEvent( _childremovedEvent );\n\t\t\t_childremovedEvent.child = null;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tremoveFromParent() {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( parent !== null ) {\n\n\t\t\tparent.remove( this );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclear() {\n\n\t\treturn this.remove( ... this.children );\n\n\t}\n\n\tattach( object ) {\n\n\t\t// adds object as a child of this, while maintaining the object's world transform\n\n\t\t// Note: This method does not support scene graphs having non-uniformly-scaled nodes(s)\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\t_m1$1.copy( this.matrixWorld ).invert();\n\n\t\tif ( object.parent !== null ) {\n\n\t\t\tobject.parent.updateWorldMatrix( true, false );\n\n\t\t\t_m1$1.multiply( object.parent.matrixWorld );\n\n\t\t}\n\n\t\tobject.applyMatrix4( _m1$1 );\n\n\t\tobject.removeFromParent();\n\t\tobject.parent = this;\n\t\tthis.children.push( object );\n\n\t\tobject.updateWorldMatrix( false, true );\n\n\t\tobject.dispatchEvent( _addedEvent );\n\n\t\t_childaddedEvent.child = object;\n\t\tthis.dispatchEvent( _childaddedEvent );\n\t\t_childaddedEvent.child = null;\n\n\t\treturn this;\n\n\t}\n\n\tgetObjectById( id ) {\n\n\t\treturn this.getObjectByProperty( 'id', id );\n\n\t}\n\n\tgetObjectByName( name ) {\n\n\t\treturn this.getObjectByProperty( 'name', name );\n\n\t}\n\n\tgetObjectByProperty( name, value ) {\n\n\t\tif ( this[ name ] === value ) return this;\n\n\t\tfor ( let i = 0, l = this.children.length; i < l; i ++ ) {\n\n\t\t\tconst child = this.children[ i ];\n\t\t\tconst object = child.getObjectByProperty( name, value );\n\n\t\t\tif ( object !== undefined ) {\n\n\t\t\t\treturn object;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn undefined;\n\n\t}\n\n\tgetObjectsByProperty( name, value, result = [] ) {\n\n\t\tif ( this[ name ] === value ) result.push( this );\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].getObjectsByProperty( name, value, result );\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n\tgetWorldPosition( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\treturn target.setFromMatrixPosition( this.matrixWorld );\n\n\t}\n\n\tgetWorldQuaternion( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tthis.matrixWorld.decompose( _position$3, target, _scale$2 );\n\n\t\treturn target;\n\n\t}\n\n\tgetWorldScale( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tthis.matrixWorld.decompose( _position$3, _quaternion$2, target );\n\n\t\treturn target;\n\n\t}\n\n\tgetWorldDirection( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tconst e = this.matrixWorld.elements;\n\n\t\treturn target.set( e[ 8 ], e[ 9 ], e[ 10 ] ).normalize();\n\n\t}\n\n\traycast( /* raycaster, intersects */ ) {}\n\n\ttraverse( callback ) {\n\n\t\tcallback( this );\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].traverse( callback );\n\n\t\t}\n\n\t}\n\n\ttraverseVisible( callback ) {\n\n\t\tif ( this.visible === false ) return;\n\n\t\tcallback( this );\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].traverseVisible( callback );\n\n\t\t}\n\n\t}\n\n\ttraverseAncestors( callback ) {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( parent !== null ) {\n\n\t\t\tcallback( parent );\n\n\t\t\tparent.traverseAncestors( callback );\n\n\t\t}\n\n\t}\n\n\tupdateMatrix() {\n\n\t\tthis.matrix.compose( this.position, this.quaternion, this.scale );\n\n\t\tthis.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tif ( this.matrixWorldNeedsUpdate || force ) {\n\n\t\t\tif ( this.matrixWorldAutoUpdate === true ) {\n\n\t\t\t\tif ( this.parent === null ) {\n\n\t\t\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\t\tforce = true;\n\n\t\t}\n\n\t\t// make sure descendants are updated if required\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tconst child = children[ i ];\n\n\t\t\tchild.updateMatrixWorld( force );\n\n\t\t}\n\n\t}\n\n\tupdateWorldMatrix( updateParents, updateChildren ) {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( updateParents === true && parent !== null ) {\n\n\t\t\tparent.updateWorldMatrix( true, false );\n\n\t\t}\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tif ( this.matrixWorldAutoUpdate === true ) {\n\n\t\t\tif ( this.parent === null ) {\n\n\t\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t\t} else {\n\n\t\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// make sure descendants are updated\n\n\t\tif ( updateChildren === true ) {\n\n\t\t\tconst children = this.children;\n\n\t\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = children[ i ];\n\n\t\t\t\tchild.updateWorldMatrix( false, true );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\t// meta is a string when called from JSON.stringify\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tconst output = {};\n\n\t\t// meta is a hash used to collect geometries, materials.\n\t\t// not providing it implies that this is the root object\n\t\t// being serialized.\n\t\tif ( isRootObject ) {\n\n\t\t\t// initialize meta obj\n\t\t\tmeta = {\n\t\t\t\tgeometries: {},\n\t\t\t\tmaterials: {},\n\t\t\t\ttextures: {},\n\t\t\t\timages: {},\n\t\t\t\tshapes: {},\n\t\t\t\tskeletons: {},\n\t\t\t\tanimations: {},\n\t\t\t\tnodes: {}\n\t\t\t};\n\n\t\t\toutput.metadata = {\n\t\t\t\tversion: 4.6,\n\t\t\t\ttype: 'Object',\n\t\t\t\tgenerator: 'Object3D.toJSON'\n\t\t\t};\n\n\t\t}\n\n\t\t// standard Object3D serialization\n\n\t\tconst object = {};\n\n\t\tobject.uuid = this.uuid;\n\t\tobject.type = this.type;\n\n\t\tif ( this.name !== '' ) object.name = this.name;\n\t\tif ( this.castShadow === true ) object.castShadow = true;\n\t\tif ( this.receiveShadow === true ) object.receiveShadow = true;\n\t\tif ( this.visible === false ) object.visible = false;\n\t\tif ( this.frustumCulled === false ) object.frustumCulled = false;\n\t\tif ( this.renderOrder !== 0 ) object.renderOrder = this.renderOrder;\n\t\tif ( Object.keys( this.userData ).length > 0 ) object.userData = this.userData;\n\n\t\tobject.layers = this.layers.mask;\n\t\tobject.matrix = this.matrix.toArray();\n\t\tobject.up = this.up.toArray();\n\n\t\tif ( this.matrixAutoUpdate === false ) object.matrixAutoUpdate = false;\n\n\t\t// object specific properties\n\n\t\tif ( this.isInstancedMesh ) {\n\n\t\t\tobject.type = 'InstancedMesh';\n\t\t\tobject.count = this.count;\n\t\t\tobject.instanceMatrix = this.instanceMatrix.toJSON();\n\t\t\tif ( this.instanceColor !== null ) object.instanceColor = this.instanceColor.toJSON();\n\n\t\t}\n\n\t\tif ( this.isBatchedMesh ) {\n\n\t\t\tobject.type = 'BatchedMesh';\n\t\t\tobject.perObjectFrustumCulled = this.perObjectFrustumCulled;\n\t\t\tobject.sortObjects = this.sortObjects;\n\n\t\t\tobject.drawRanges = this._drawRanges;\n\t\t\tobject.reservedRanges = this._reservedRanges;\n\n\t\t\tobject.visibility = this._visibility;\n\t\t\tobject.active = this._active;\n\t\t\tobject.bounds = this._bounds.map( bound => ( {\n\t\t\t\tboxInitialized: bound.boxInitialized,\n\t\t\t\tboxMin: bound.box.min.toArray(),\n\t\t\t\tboxMax: bound.box.max.toArray(),\n\n\t\t\t\tsphereInitialized: bound.sphereInitialized,\n\t\t\t\tsphereRadius: bound.sphere.radius,\n\t\t\t\tsphereCenter: bound.sphere.center.toArray()\n\t\t\t} ) );\n\n\t\t\tobject.maxInstanceCount = this._maxInstanceCount;\n\t\t\tobject.maxVertexCount = this._maxVertexCount;\n\t\t\tobject.maxIndexCount = this._maxIndexCount;\n\n\t\t\tobject.geometryInitialized = this._geometryInitialized;\n\t\t\tobject.geometryCount = this._geometryCount;\n\n\t\t\tobject.matricesTexture = this._matricesTexture.toJSON( meta );\n\n\t\t\tif ( this._colorsTexture !== null ) object.colorsTexture = this._colorsTexture.toJSON( meta );\n\n\t\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\t\tobject.boundingSphere = {\n\t\t\t\t\tcenter: object.boundingSphere.center.toArray(),\n\t\t\t\t\tradius: object.boundingSphere.radius\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tif ( this.boundingBox !== null ) {\n\n\t\t\t\tobject.boundingBox = {\n\t\t\t\t\tmin: object.boundingBox.min.toArray(),\n\t\t\t\t\tmax: object.boundingBox.max.toArray()\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tfunction serialize( library, element ) {\n\n\t\t\tif ( library[ element.uuid ] === undefined ) {\n\n\t\t\t\tlibrary[ element.uuid ] = element.toJSON( meta );\n\n\t\t\t}\n\n\t\t\treturn element.uuid;\n\n\t\t}\n\n\t\tif ( this.isScene ) {\n\n\t\t\tif ( this.background ) {\n\n\t\t\t\tif ( this.background.isColor ) {\n\n\t\t\t\t\tobject.background = this.background.toJSON();\n\n\t\t\t\t} else if ( this.background.isTexture ) {\n\n\t\t\t\t\tobject.background = this.background.toJSON( meta ).uuid;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.environment && this.environment.isTexture && this.environment.isRenderTargetTexture !== true ) {\n\n\t\t\t\tobject.environment = this.environment.toJSON( meta ).uuid;\n\n\t\t\t}\n\n\t\t} else if ( this.isMesh || this.isLine || this.isPoints ) {\n\n\t\t\tobject.geometry = serialize( meta.geometries, this.geometry );\n\n\t\t\tconst parameters = this.geometry.parameters;\n\n\t\t\tif ( parameters !== undefined && parameters.shapes !== undefined ) {\n\n\t\t\t\tconst shapes = parameters.shapes;\n\n\t\t\t\tif ( Array.isArray( shapes ) ) {\n\n\t\t\t\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tconst shape = shapes[ i ];\n\n\t\t\t\t\t\tserialize( meta.shapes, shape );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tserialize( meta.shapes, shapes );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.isSkinnedMesh ) {\n\n\t\t\tobject.bindMode = this.bindMode;\n\t\t\tobject.bindMatrix = this.bindMatrix.toArray();\n\n\t\t\tif ( this.skeleton !== undefined ) {\n\n\t\t\t\tserialize( meta.skeletons, this.skeleton );\n\n\t\t\t\tobject.skeleton = this.skeleton.uuid;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.material !== undefined ) {\n\n\t\t\tif ( Array.isArray( this.material ) ) {\n\n\t\t\t\tconst uuids = [];\n\n\t\t\t\tfor ( let i = 0, l = this.material.length; i < l; i ++ ) {\n\n\t\t\t\t\tuuids.push( serialize( meta.materials, this.material[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tobject.material = uuids;\n\n\t\t\t} else {\n\n\t\t\t\tobject.material = serialize( meta.materials, this.material );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.children.length > 0 ) {\n\n\t\t\tobject.children = [];\n\n\t\t\tfor ( let i = 0; i < this.children.length; i ++ ) {\n\n\t\t\t\tobject.children.push( this.children[ i ].toJSON( meta ).object );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.animations.length > 0 ) {\n\n\t\t\tobject.animations = [];\n\n\t\t\tfor ( let i = 0; i < this.animations.length; i ++ ) {\n\n\t\t\t\tconst animation = this.animations[ i ];\n\n\t\t\t\tobject.animations.push( serialize( meta.animations, animation ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( isRootObject ) {\n\n\t\t\tconst geometries = extractFromCache( meta.geometries );\n\t\t\tconst materials = extractFromCache( meta.materials );\n\t\t\tconst textures = extractFromCache( meta.textures );\n\t\t\tconst images = extractFromCache( meta.images );\n\t\t\tconst shapes = extractFromCache( meta.shapes );\n\t\t\tconst skeletons = extractFromCache( meta.skeletons );\n\t\t\tconst animations = extractFromCache( meta.animations );\n\t\t\tconst nodes = extractFromCache( meta.nodes );\n\n\t\t\tif ( geometries.length > 0 ) output.geometries = geometries;\n\t\t\tif ( materials.length > 0 ) output.materials = materials;\n\t\t\tif ( textures.length > 0 ) output.textures = textures;\n\t\t\tif ( images.length > 0 ) output.images = images;\n\t\t\tif ( shapes.length > 0 ) output.shapes = shapes;\n\t\t\tif ( skeletons.length > 0 ) output.skeletons = skeletons;\n\t\t\tif ( animations.length > 0 ) output.animations = animations;\n\t\t\tif ( nodes.length > 0 ) output.nodes = nodes;\n\n\t\t}\n\n\t\toutput.object = object;\n\n\t\treturn output;\n\n\t\t// extract data from the cache hash\n\t\t// remove metadata on each item\n\t\t// and return as array\n\t\tfunction extractFromCache( cache ) {\n\n\t\t\tconst values = [];\n\t\t\tfor ( const key in cache ) {\n\n\t\t\t\tconst data = cache[ key ];\n\t\t\t\tdelete data.metadata;\n\t\t\t\tvalues.push( data );\n\n\t\t\t}\n\n\t\t\treturn values;\n\n\t\t}\n\n\t}\n\n\tclone( recursive ) {\n\n\t\treturn new this.constructor().copy( this, recursive );\n\n\t}\n\n\tcopy( source, recursive = true ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.up.copy( source.up );\n\n\t\tthis.position.copy( source.position );\n\t\tthis.rotation.order = source.rotation.order;\n\t\tthis.quaternion.copy( source.quaternion );\n\t\tthis.scale.copy( source.scale );\n\n\t\tthis.matrix.copy( source.matrix );\n\t\tthis.matrixWorld.copy( source.matrixWorld );\n\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\n\t\tthis.matrixWorldAutoUpdate = source.matrixWorldAutoUpdate;\n\t\tthis.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate;\n\n\t\tthis.layers.mask = source.layers.mask;\n\t\tthis.visible = source.visible;\n\n\t\tthis.castShadow = source.castShadow;\n\t\tthis.receiveShadow = source.receiveShadow;\n\n\t\tthis.frustumCulled = source.frustumCulled;\n\t\tthis.renderOrder = source.renderOrder;\n\n\t\tthis.animations = source.animations.slice();\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\tif ( recursive === true ) {\n\n\t\t\tfor ( let i = 0; i < source.children.length; i ++ ) {\n\n\t\t\t\tconst child = source.children[ i ];\n\t\t\t\tthis.add( child.clone() );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nObject3D.DEFAULT_UP = /*@__PURE__*/ new Vector3( 0, 1, 0 );\nObject3D.DEFAULT_MATRIX_AUTO_UPDATE = true;\nObject3D.DEFAULT_MATRIX_WORLD_AUTO_UPDATE = true;\n\nconst _v0$1 = /*@__PURE__*/ new Vector3();\nconst _v1$3 = /*@__PURE__*/ new Vector3();\nconst _v2$2 = /*@__PURE__*/ new Vector3();\nconst _v3$2 = /*@__PURE__*/ new Vector3();\n\nconst _vab = /*@__PURE__*/ new Vector3();\nconst _vac = /*@__PURE__*/ new Vector3();\nconst _vbc = /*@__PURE__*/ new Vector3();\nconst _vap = /*@__PURE__*/ new Vector3();\nconst _vbp = /*@__PURE__*/ new Vector3();\nconst _vcp = /*@__PURE__*/ new Vector3();\n\nconst _v40 = /*@__PURE__*/ new Vector4();\nconst _v41 = /*@__PURE__*/ new Vector4();\nconst _v42 = /*@__PURE__*/ new Vector4();\n\nclass Triangle {\n\n\tconstructor( a = new Vector3(), b = new Vector3(), c = new Vector3() ) {\n\n\t\tthis.a = a;\n\t\tthis.b = b;\n\t\tthis.c = c;\n\n\t}\n\n\tstatic getNormal( a, b, c, target ) {\n\n\t\ttarget.subVectors( c, b );\n\t\t_v0$1.subVectors( a, b );\n\t\ttarget.cross( _v0$1 );\n\n\t\tconst targetLengthSq = target.lengthSq();\n\t\tif ( targetLengthSq > 0 ) {\n\n\t\t\treturn target.multiplyScalar( 1 / Math.sqrt( targetLengthSq ) );\n\n\t\t}\n\n\t\treturn target.set( 0, 0, 0 );\n\n\t}\n\n\t// static/instance method to calculate barycentric coordinates\n\t// based on: http://www.blackpawn.com/texts/pointinpoly/default.html\n\tstatic getBarycoord( point, a, b, c, target ) {\n\n\t\t_v0$1.subVectors( c, a );\n\t\t_v1$3.subVectors( b, a );\n\t\t_v2$2.subVectors( point, a );\n\n\t\tconst dot00 = _v0$1.dot( _v0$1 );\n\t\tconst dot01 = _v0$1.dot( _v1$3 );\n\t\tconst dot02 = _v0$1.dot( _v2$2 );\n\t\tconst dot11 = _v1$3.dot( _v1$3 );\n\t\tconst dot12 = _v1$3.dot( _v2$2 );\n\n\t\tconst denom = ( dot00 * dot11 - dot01 * dot01 );\n\n\t\t// collinear or singular triangle\n\t\tif ( denom === 0 ) {\n\n\t\t\ttarget.set( 0, 0, 0 );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst invDenom = 1 / denom;\n\t\tconst u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom;\n\t\tconst v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom;\n\n\t\t// barycentric coordinates must always sum to 1\n\t\treturn target.set( 1 - u - v, v, u );\n\n\t}\n\n\tstatic containsPoint( point, a, b, c ) {\n\n\t\t// if the triangle is degenerate then we can't contain a point\n\t\tif ( this.getBarycoord( point, a, b, c, _v3$2 ) === null ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\treturn ( _v3$2.x >= 0 ) && ( _v3$2.y >= 0 ) && ( ( _v3$2.x + _v3$2.y ) <= 1 );\n\n\t}\n\n\tstatic getInterpolation( point, p1, p2, p3, v1, v2, v3, target ) {\n\n\t\tif ( this.getBarycoord( point, p1, p2, p3, _v3$2 ) === null ) {\n\n\t\t\ttarget.x = 0;\n\t\t\ttarget.y = 0;\n\t\t\tif ( 'z' in target ) target.z = 0;\n\t\t\tif ( 'w' in target ) target.w = 0;\n\t\t\treturn null;\n\n\t\t}\n\n\t\ttarget.setScalar( 0 );\n\t\ttarget.addScaledVector( v1, _v3$2.x );\n\t\ttarget.addScaledVector( v2, _v3$2.y );\n\t\ttarget.addScaledVector( v3, _v3$2.z );\n\n\t\treturn target;\n\n\t}\n\n\tstatic getInterpolatedAttribute( attr, i1, i2, i3, barycoord, target ) {\n\n\t\t_v40.setScalar( 0 );\n\t\t_v41.setScalar( 0 );\n\t\t_v42.setScalar( 0 );\n\n\t\t_v40.fromBufferAttribute( attr, i1 );\n\t\t_v41.fromBufferAttribute( attr, i2 );\n\t\t_v42.fromBufferAttribute( attr, i3 );\n\n\t\ttarget.setScalar( 0 );\n\t\ttarget.addScaledVector( _v40, barycoord.x );\n\t\ttarget.addScaledVector( _v41, barycoord.y );\n\t\ttarget.addScaledVector( _v42, barycoord.z );\n\n\t\treturn target;\n\n\t}\n\n\tstatic isFrontFacing( a, b, c, direction ) {\n\n\t\t_v0$1.subVectors( c, b );\n\t\t_v1$3.subVectors( a, b );\n\n\t\t// strictly front facing\n\t\treturn ( _v0$1.cross( _v1$3 ).dot( direction ) < 0 ) ? true : false;\n\n\t}\n\n\tset( a, b, c ) {\n\n\t\tthis.a.copy( a );\n\t\tthis.b.copy( b );\n\t\tthis.c.copy( c );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPointsAndIndices( points, i0, i1, i2 ) {\n\n\t\tthis.a.copy( points[ i0 ] );\n\t\tthis.b.copy( points[ i1 ] );\n\t\tthis.c.copy( points[ i2 ] );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromAttributeAndIndices( attribute, i0, i1, i2 ) {\n\n\t\tthis.a.fromBufferAttribute( attribute, i0 );\n\t\tthis.b.fromBufferAttribute( attribute, i1 );\n\t\tthis.c.fromBufferAttribute( attribute, i2 );\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( triangle ) {\n\n\t\tthis.a.copy( triangle.a );\n\t\tthis.b.copy( triangle.b );\n\t\tthis.c.copy( triangle.c );\n\n\t\treturn this;\n\n\t}\n\n\tgetArea() {\n\n\t\t_v0$1.subVectors( this.c, this.b );\n\t\t_v1$3.subVectors( this.a, this.b );\n\n\t\treturn _v0$1.cross( _v1$3 ).length() * 0.5;\n\n\t}\n\n\tgetMidpoint( target ) {\n\n\t\treturn target.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 );\n\n\t}\n\n\tgetNormal( target ) {\n\n\t\treturn Triangle.getNormal( this.a, this.b, this.c, target );\n\n\t}\n\n\tgetPlane( target ) {\n\n\t\treturn target.setFromCoplanarPoints( this.a, this.b, this.c );\n\n\t}\n\n\tgetBarycoord( point, target ) {\n\n\t\treturn Triangle.getBarycoord( point, this.a, this.b, this.c, target );\n\n\t}\n\n\tgetInterpolation( point, v1, v2, v3, target ) {\n\n\t\treturn Triangle.getInterpolation( point, this.a, this.b, this.c, v1, v2, v3, target );\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn Triangle.containsPoint( point, this.a, this.b, this.c );\n\n\t}\n\n\tisFrontFacing( direction ) {\n\n\t\treturn Triangle.isFrontFacing( this.a, this.b, this.c, direction );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsTriangle( this );\n\n\t}\n\n\tclosestPointToPoint( p, target ) {\n\n\t\tconst a = this.a, b = this.b, c = this.c;\n\t\tlet v, w;\n\n\t\t// algorithm thanks to Real-Time Collision Detection by Christer Ericson,\n\t\t// published by Morgan Kaufmann Publishers, (c) 2005 Elsevier Inc.,\n\t\t// under the accompanying license; see chapter 5.1.5 for detailed explanation.\n\t\t// basically, we're distinguishing which of the voronoi regions of the triangle\n\t\t// the point lies in with the minimum amount of redundant computation.\n\n\t\t_vab.subVectors( b, a );\n\t\t_vac.subVectors( c, a );\n\t\t_vap.subVectors( p, a );\n\t\tconst d1 = _vab.dot( _vap );\n\t\tconst d2 = _vac.dot( _vap );\n\t\tif ( d1 <= 0 && d2 <= 0 ) {\n\n\t\t\t// vertex region of A; barycentric coords (1, 0, 0)\n\t\t\treturn target.copy( a );\n\n\t\t}\n\n\t\t_vbp.subVectors( p, b );\n\t\tconst d3 = _vab.dot( _vbp );\n\t\tconst d4 = _vac.dot( _vbp );\n\t\tif ( d3 >= 0 && d4 <= d3 ) {\n\n\t\t\t// vertex region of B; barycentric coords (0, 1, 0)\n\t\t\treturn target.copy( b );\n\n\t\t}\n\n\t\tconst vc = d1 * d4 - d3 * d2;\n\t\tif ( vc <= 0 && d1 >= 0 && d3 <= 0 ) {\n\n\t\t\tv = d1 / ( d1 - d3 );\n\t\t\t// edge region of AB; barycentric coords (1-v, v, 0)\n\t\t\treturn target.copy( a ).addScaledVector( _vab, v );\n\n\t\t}\n\n\t\t_vcp.subVectors( p, c );\n\t\tconst d5 = _vab.dot( _vcp );\n\t\tconst d6 = _vac.dot( _vcp );\n\t\tif ( d6 >= 0 && d5 <= d6 ) {\n\n\t\t\t// vertex region of C; barycentric coords (0, 0, 1)\n\t\t\treturn target.copy( c );\n\n\t\t}\n\n\t\tconst vb = d5 * d2 - d1 * d6;\n\t\tif ( vb <= 0 && d2 >= 0 && d6 <= 0 ) {\n\n\t\t\tw = d2 / ( d2 - d6 );\n\t\t\t// edge region of AC; barycentric coords (1-w, 0, w)\n\t\t\treturn target.copy( a ).addScaledVector( _vac, w );\n\n\t\t}\n\n\t\tconst va = d3 * d6 - d5 * d4;\n\t\tif ( va <= 0 && ( d4 - d3 ) >= 0 && ( d5 - d6 ) >= 0 ) {\n\n\t\t\t_vbc.subVectors( c, b );\n\t\t\tw = ( d4 - d3 ) / ( ( d4 - d3 ) + ( d5 - d6 ) );\n\t\t\t// edge region of BC; barycentric coords (0, 1-w, w)\n\t\t\treturn target.copy( b ).addScaledVector( _vbc, w ); // edge region of BC\n\n\t\t}\n\n\t\t// face region\n\t\tconst denom = 1 / ( va + vb + vc );\n\t\t// u = va * denom\n\t\tv = vb * denom;\n\t\tw = vc * denom;\n\n\t\treturn target.copy( a ).addScaledVector( _vab, v ).addScaledVector( _vac, w );\n\n\t}\n\n\tequals( triangle ) {\n\n\t\treturn triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c );\n\n\t}\n\n}\n\nconst _colorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF,\n\t'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2,\n\t'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50,\n\t'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B,\n\t'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B,\n\t'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F,\n\t'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3,\n\t'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222,\n\t'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700,\n\t'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4,\n\t'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00,\n\t'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3,\n\t'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA,\n\t'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32,\n\t'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3,\n\t'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC,\n\t'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD,\n\t'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6,\n\t'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9,\n\t'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'rebeccapurple': 0x663399, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F,\n\t'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE,\n\t'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA,\n\t'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0,\n\t'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 };\n\nconst _hslA = { h: 0, s: 0, l: 0 };\nconst _hslB = { h: 0, s: 0, l: 0 };\n\nfunction hue2rgb( p, q, t ) {\n\n\tif ( t < 0 ) t += 1;\n\tif ( t > 1 ) t -= 1;\n\tif ( t < 1 / 6 ) return p + ( q - p ) * 6 * t;\n\tif ( t < 1 / 2 ) return q;\n\tif ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t );\n\treturn p;\n\n}\n\nclass Color {\n\n\tconstructor( r, g, b ) {\n\n\t\tthis.isColor = true;\n\n\t\tthis.r = 1;\n\t\tthis.g = 1;\n\t\tthis.b = 1;\n\n\t\treturn this.set( r, g, b );\n\n\t}\n\n\tset( r, g, b ) {\n\n\t\tif ( g === undefined && b === undefined ) {\n\n\t\t\t// r is THREE.Color, hex or string\n\n\t\t\tconst value = r;\n\n\t\t\tif ( value && value.isColor ) {\n\n\t\t\t\tthis.copy( value );\n\n\t\t\t} else if ( typeof value === 'number' ) {\n\n\t\t\t\tthis.setHex( value );\n\n\t\t\t} else if ( typeof value === 'string' ) {\n\n\t\t\t\tthis.setStyle( value );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tthis.setRGB( r, g, b );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.r = scalar;\n\t\tthis.g = scalar;\n\t\tthis.b = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetHex( hex, colorSpace = SRGBColorSpace ) {\n\n\t\thex = Math.floor( hex );\n\n\t\tthis.r = ( hex >> 16 & 255 ) / 255;\n\t\tthis.g = ( hex >> 8 & 255 ) / 255;\n\t\tthis.b = ( hex & 255 ) / 255;\n\n\t\tColorManagement.toWorkingColorSpace( this, colorSpace );\n\n\t\treturn this;\n\n\t}\n\n\tsetRGB( r, g, b, colorSpace = ColorManagement.workingColorSpace ) {\n\n\t\tthis.r = r;\n\t\tthis.g = g;\n\t\tthis.b = b;\n\n\t\tColorManagement.toWorkingColorSpace( this, colorSpace );\n\n\t\treturn this;\n\n\t}\n\n\tsetHSL( h, s, l, colorSpace = ColorManagement.workingColorSpace ) {\n\n\t\t// h,s,l ranges are in 0.0 - 1.0\n\t\th = euclideanModulo( h, 1 );\n\t\ts = clamp( s, 0, 1 );\n\t\tl = clamp( l, 0, 1 );\n\n\t\tif ( s === 0 ) {\n\n\t\t\tthis.r = this.g = this.b = l;\n\n\t\t} else {\n\n\t\t\tconst p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s );\n\t\t\tconst q = ( 2 * l ) - p;\n\n\t\t\tthis.r = hue2rgb( q, p, h + 1 / 3 );\n\t\t\tthis.g = hue2rgb( q, p, h );\n\t\t\tthis.b = hue2rgb( q, p, h - 1 / 3 );\n\n\t\t}\n\n\t\tColorManagement.toWorkingColorSpace( this, colorSpace );\n\n\t\treturn this;\n\n\t}\n\n\tsetStyle( style, colorSpace = SRGBColorSpace ) {\n\n\t\tfunction handleAlpha( string ) {\n\n\t\t\tif ( string === undefined ) return;\n\n\t\t\tif ( parseFloat( string ) < 1 ) {\n\n\t\t\t\tconsole.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' );\n\n\t\t\t}\n\n\t\t}\n\n\n\t\tlet m;\n\n\t\tif ( m = /^(\\w+)\\(([^\\)]*)\\)/.exec( style ) ) {\n\n\t\t\t// rgb / hsl\n\n\t\t\tlet color;\n\t\t\tconst name = m[ 1 ];\n\t\t\tconst components = m[ 2 ];\n\n\t\t\tswitch ( name ) {\n\n\t\t\t\tcase 'rgb':\n\t\t\t\tcase 'rgba':\n\n\t\t\t\t\tif ( color = /^\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// rgb(255,0,0) rgba(255,0,0,0.5)\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this.setRGB(\n\t\t\t\t\t\t\tMath.min( 255, parseInt( color[ 1 ], 10 ) ) / 255,\n\t\t\t\t\t\t\tMath.min( 255, parseInt( color[ 2 ], 10 ) ) / 255,\n\t\t\t\t\t\t\tMath.min( 255, parseInt( color[ 3 ], 10 ) ) / 255,\n\t\t\t\t\t\t\tcolorSpace\n\t\t\t\t\t\t);\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( color = /^\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// rgb(100%,0%,0%) rgba(100%,0%,0%,0.5)\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this.setRGB(\n\t\t\t\t\t\t\tMath.min( 100, parseInt( color[ 1 ], 10 ) ) / 100,\n\t\t\t\t\t\t\tMath.min( 100, parseInt( color[ 2 ], 10 ) ) / 100,\n\t\t\t\t\t\t\tMath.min( 100, parseInt( color[ 3 ], 10 ) ) / 100,\n\t\t\t\t\t\t\tcolorSpace\n\t\t\t\t\t\t);\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'hsl':\n\t\t\t\tcase 'hsla':\n\n\t\t\t\t\tif ( color = /^\\s*(\\d*\\.?\\d+)\\s*,\\s*(\\d*\\.?\\d+)\\%\\s*,\\s*(\\d*\\.?\\d+)\\%\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// hsl(120,50%,50%) hsla(120,50%,50%,0.5)\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this.setHSL(\n\t\t\t\t\t\t\tparseFloat( color[ 1 ] ) / 360,\n\t\t\t\t\t\t\tparseFloat( color[ 2 ] ) / 100,\n\t\t\t\t\t\t\tparseFloat( color[ 3 ] ) / 100,\n\t\t\t\t\t\t\tcolorSpace\n\t\t\t\t\t\t);\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tconsole.warn( 'THREE.Color: Unknown color model ' + style );\n\n\t\t\t}\n\n\t\t} else if ( m = /^\\#([A-Fa-f\\d]+)$/.exec( style ) ) {\n\n\t\t\t// hex color\n\n\t\t\tconst hex = m[ 1 ];\n\t\t\tconst size = hex.length;\n\n\t\t\tif ( size === 3 ) {\n\n\t\t\t\t// #ff0\n\t\t\t\treturn this.setRGB(\n\t\t\t\t\tparseInt( hex.charAt( 0 ), 16 ) / 15,\n\t\t\t\t\tparseInt( hex.charAt( 1 ), 16 ) / 15,\n\t\t\t\t\tparseInt( hex.charAt( 2 ), 16 ) / 15,\n\t\t\t\t\tcolorSpace\n\t\t\t\t);\n\n\t\t\t} else if ( size === 6 ) {\n\n\t\t\t\t// #ff0000\n\t\t\t\treturn this.setHex( parseInt( hex, 16 ), colorSpace );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.Color: Invalid hex color ' + style );\n\n\t\t\t}\n\n\t\t} else if ( style && style.length > 0 ) {\n\n\t\t\treturn this.setColorName( style, colorSpace );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetColorName( style, colorSpace = SRGBColorSpace ) {\n\n\t\t// color keywords\n\t\tconst hex = _colorKeywords[ style.toLowerCase() ];\n\n\t\tif ( hex !== undefined ) {\n\n\t\t\t// red\n\t\t\tthis.setHex( hex, colorSpace );\n\n\t\t} else {\n\n\t\t\t// unknown color\n\t\t\tconsole.warn( 'THREE.Color: Unknown color ' + style );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.r, this.g, this.b );\n\n\t}\n\n\tcopy( color ) {\n\n\t\tthis.r = color.r;\n\t\tthis.g = color.g;\n\t\tthis.b = color.b;\n\n\t\treturn this;\n\n\t}\n\n\tcopySRGBToLinear( color ) {\n\n\t\tthis.r = SRGBToLinear( color.r );\n\t\tthis.g = SRGBToLinear( color.g );\n\t\tthis.b = SRGBToLinear( color.b );\n\n\t\treturn this;\n\n\t}\n\n\tcopyLinearToSRGB( color ) {\n\n\t\tthis.r = LinearToSRGB( color.r );\n\t\tthis.g = LinearToSRGB( color.g );\n\t\tthis.b = LinearToSRGB( color.b );\n\n\t\treturn this;\n\n\t}\n\n\tconvertSRGBToLinear() {\n\n\t\tthis.copySRGBToLinear( this );\n\n\t\treturn this;\n\n\t}\n\n\tconvertLinearToSRGB() {\n\n\t\tthis.copyLinearToSRGB( this );\n\n\t\treturn this;\n\n\t}\n\n\tgetHex( colorSpace = SRGBColorSpace ) {\n\n\t\tColorManagement.fromWorkingColorSpace( _color.copy( this ), colorSpace );\n\n\t\treturn Math.round( clamp( _color.r * 255, 0, 255 ) ) * 65536 + Math.round( clamp( _color.g * 255, 0, 255 ) ) * 256 + Math.round( clamp( _color.b * 255, 0, 255 ) );\n\n\t}\n\n\tgetHexString( colorSpace = SRGBColorSpace ) {\n\n\t\treturn ( '000000' + this.getHex( colorSpace ).toString( 16 ) ).slice( - 6 );\n\n\t}\n\n\tgetHSL( target, colorSpace = ColorManagement.workingColorSpace ) {\n\n\t\t// h,s,l ranges are in 0.0 - 1.0\n\n\t\tColorManagement.fromWorkingColorSpace( _color.copy( this ), colorSpace );\n\n\t\tconst r = _color.r, g = _color.g, b = _color.b;\n\n\t\tconst max = Math.max( r, g, b );\n\t\tconst min = Math.min( r, g, b );\n\n\t\tlet hue, saturation;\n\t\tconst lightness = ( min + max ) / 2.0;\n\n\t\tif ( min === max ) {\n\n\t\t\thue = 0;\n\t\t\tsaturation = 0;\n\n\t\t} else {\n\n\t\t\tconst delta = max - min;\n\n\t\t\tsaturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min );\n\n\t\t\tswitch ( max ) {\n\n\t\t\t\tcase r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break;\n\t\t\t\tcase g: hue = ( b - r ) / delta + 2; break;\n\t\t\t\tcase b: hue = ( r - g ) / delta + 4; break;\n\n\t\t\t}\n\n\t\t\thue /= 6;\n\n\t\t}\n\n\t\ttarget.h = hue;\n\t\ttarget.s = saturation;\n\t\ttarget.l = lightness;\n\n\t\treturn target;\n\n\t}\n\n\tgetRGB( target, colorSpace = ColorManagement.workingColorSpace ) {\n\n\t\tColorManagement.fromWorkingColorSpace( _color.copy( this ), colorSpace );\n\n\t\ttarget.r = _color.r;\n\t\ttarget.g = _color.g;\n\t\ttarget.b = _color.b;\n\n\t\treturn target;\n\n\t}\n\n\tgetStyle( colorSpace = SRGBColorSpace ) {\n\n\t\tColorManagement.fromWorkingColorSpace( _color.copy( this ), colorSpace );\n\n\t\tconst r = _color.r, g = _color.g, b = _color.b;\n\n\t\tif ( colorSpace !== SRGBColorSpace ) {\n\n\t\t\t// Requires CSS Color Module Level 4 (https://www.w3.org/TR/css-color-4/).\n\t\t\treturn `color(${ colorSpace } ${ r.toFixed( 3 ) } ${ g.toFixed( 3 ) } ${ b.toFixed( 3 ) })`;\n\n\t\t}\n\n\t\treturn `rgb(${ Math.round( r * 255 ) },${ Math.round( g * 255 ) },${ Math.round( b * 255 ) })`;\n\n\t}\n\n\toffsetHSL( h, s, l ) {\n\n\t\tthis.getHSL( _hslA );\n\n\t\treturn this.setHSL( _hslA.h + h, _hslA.s + s, _hslA.l + l );\n\n\t}\n\n\tadd( color ) {\n\n\t\tthis.r += color.r;\n\t\tthis.g += color.g;\n\t\tthis.b += color.b;\n\n\t\treturn this;\n\n\t}\n\n\taddColors( color1, color2 ) {\n\n\t\tthis.r = color1.r + color2.r;\n\t\tthis.g = color1.g + color2.g;\n\t\tthis.b = color1.b + color2.b;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.r += s;\n\t\tthis.g += s;\n\t\tthis.b += s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( color ) {\n\n\t\tthis.r = Math.max( 0, this.r - color.r );\n\t\tthis.g = Math.max( 0, this.g - color.g );\n\t\tthis.b = Math.max( 0, this.b - color.b );\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( color ) {\n\n\t\tthis.r *= color.r;\n\t\tthis.g *= color.g;\n\t\tthis.b *= color.b;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( s ) {\n\n\t\tthis.r *= s;\n\t\tthis.g *= s;\n\t\tthis.b *= s;\n\n\t\treturn this;\n\n\t}\n\n\tlerp( color, alpha ) {\n\n\t\tthis.r += ( color.r - this.r ) * alpha;\n\t\tthis.g += ( color.g - this.g ) * alpha;\n\t\tthis.b += ( color.b - this.b ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpColors( color1, color2, alpha ) {\n\n\t\tthis.r = color1.r + ( color2.r - color1.r ) * alpha;\n\t\tthis.g = color1.g + ( color2.g - color1.g ) * alpha;\n\t\tthis.b = color1.b + ( color2.b - color1.b ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpHSL( color, alpha ) {\n\n\t\tthis.getHSL( _hslA );\n\t\tcolor.getHSL( _hslB );\n\n\t\tconst h = lerp( _hslA.h, _hslB.h, alpha );\n\t\tconst s = lerp( _hslA.s, _hslB.s, alpha );\n\t\tconst l = lerp( _hslA.l, _hslB.l, alpha );\n\n\t\tthis.setHSL( h, s, l );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromVector3( v ) {\n\n\t\tthis.r = v.x;\n\t\tthis.g = v.y;\n\t\tthis.b = v.z;\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tconst r = this.r, g = this.g, b = this.b;\n\t\tconst e = m.elements;\n\n\t\tthis.r = e[ 0 ] * r + e[ 3 ] * g + e[ 6 ] * b;\n\t\tthis.g = e[ 1 ] * r + e[ 4 ] * g + e[ 7 ] * b;\n\t\tthis.b = e[ 2 ] * r + e[ 5 ] * g + e[ 8 ] * b;\n\n\t\treturn this;\n\n\t}\n\n\tequals( c ) {\n\n\t\treturn ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.r = array[ offset ];\n\t\tthis.g = array[ offset + 1 ];\n\t\tthis.b = array[ offset + 2 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.r;\n\t\tarray[ offset + 1 ] = this.g;\n\t\tarray[ offset + 2 ] = this.b;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis.r = attribute.getX( index );\n\t\tthis.g = attribute.getY( index );\n\t\tthis.b = attribute.getZ( index );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\treturn this.getHex();\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.r;\n\t\tyield this.g;\n\t\tyield this.b;\n\n\t}\n\n}\n\nconst _color = /*@__PURE__*/ new Color();\n\nColor.NAMES = _colorKeywords;\n\nlet _materialId = 0;\n\nclass Material extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isMaterial = true;\n\n\t\tObject.defineProperty( this, 'id', { value: _materialId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Material';\n\n\t\tthis.blending = NormalBlending;\n\t\tthis.side = FrontSide;\n\t\tthis.vertexColors = false;\n\n\t\tthis.opacity = 1;\n\t\tthis.transparent = false;\n\t\tthis.alphaHash = false;\n\n\t\tthis.blendSrc = SrcAlphaFactor;\n\t\tthis.blendDst = OneMinusSrcAlphaFactor;\n\t\tthis.blendEquation = AddEquation;\n\t\tthis.blendSrcAlpha = null;\n\t\tthis.blendDstAlpha = null;\n\t\tthis.blendEquationAlpha = null;\n\t\tthis.blendColor = new Color( 0, 0, 0 );\n\t\tthis.blendAlpha = 0;\n\n\t\tthis.depthFunc = LessEqualDepth;\n\t\tthis.depthTest = true;\n\t\tthis.depthWrite = true;\n\n\t\tthis.stencilWriteMask = 0xff;\n\t\tthis.stencilFunc = AlwaysStencilFunc;\n\t\tthis.stencilRef = 0;\n\t\tthis.stencilFuncMask = 0xff;\n\t\tthis.stencilFail = KeepStencilOp;\n\t\tthis.stencilZFail = KeepStencilOp;\n\t\tthis.stencilZPass = KeepStencilOp;\n\t\tthis.stencilWrite = false;\n\n\t\tthis.clippingPlanes = null;\n\t\tthis.clipIntersection = false;\n\t\tthis.clipShadows = false;\n\n\t\tthis.shadowSide = null;\n\n\t\tthis.colorWrite = true;\n\n\t\tthis.precision = null; // override the renderer's default precision for this material\n\n\t\tthis.polygonOffset = false;\n\t\tthis.polygonOffsetFactor = 0;\n\t\tthis.polygonOffsetUnits = 0;\n\n\t\tthis.dithering = false;\n\n\t\tthis.alphaToCoverage = false;\n\t\tthis.premultipliedAlpha = false;\n\t\tthis.forceSinglePass = false;\n\n\t\tthis.visible = true;\n\n\t\tthis.toneMapped = true;\n\n\t\tthis.userData = {};\n\n\t\tthis.version = 0;\n\n\t\tthis._alphaTest = 0;\n\n\t}\n\n\tget alphaTest() {\n\n\t\treturn this._alphaTest;\n\n\t}\n\n\tset alphaTest( value ) {\n\n\t\tif ( this._alphaTest > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._alphaTest = value;\n\n\t}\n\n\t// onBeforeRender and onBeforeCompile only supported in WebGLRenderer\n\n\tonBeforeRender( /* renderer, scene, camera, geometry, object, group */ ) {}\n\n\tonBeforeCompile( /* shaderobject, renderer */ ) {}\n\n\tcustomProgramCacheKey() {\n\n\t\treturn this.onBeforeCompile.toString();\n\n\t}\n\n\tsetValues( values ) {\n\n\t\tif ( values === undefined ) return;\n\n\t\tfor ( const key in values ) {\n\n\t\t\tconst newValue = values[ key ];\n\n\t\t\tif ( newValue === undefined ) {\n\n\t\t\t\tconsole.warn( `THREE.Material: parameter '${ key }' has value of undefined.` );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tconst currentValue = this[ key ];\n\n\t\t\tif ( currentValue === undefined ) {\n\n\t\t\t\tconsole.warn( `THREE.Material: '${ key }' is not a property of THREE.${ this.type }.` );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tif ( currentValue && currentValue.isColor ) {\n\n\t\t\t\tcurrentValue.set( newValue );\n\n\t\t\t} else if ( ( currentValue && currentValue.isVector3 ) && ( newValue && newValue.isVector3 ) ) {\n\n\t\t\t\tcurrentValue.copy( newValue );\n\n\t\t\t} else {\n\n\t\t\t\tthis[ key ] = newValue;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tif ( isRootObject ) {\n\n\t\t\tmeta = {\n\t\t\t\ttextures: {},\n\t\t\t\timages: {}\n\t\t\t};\n\n\t\t}\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.6,\n\t\t\t\ttype: 'Material',\n\t\t\t\tgenerator: 'Material.toJSON'\n\t\t\t}\n\t\t};\n\n\t\t// standard Material serialization\n\t\tdata.uuid = this.uuid;\n\t\tdata.type = this.type;\n\n\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\tif ( this.color && this.color.isColor ) data.color = this.color.getHex();\n\n\t\tif ( this.roughness !== undefined ) data.roughness = this.roughness;\n\t\tif ( this.metalness !== undefined ) data.metalness = this.metalness;\n\n\t\tif ( this.sheen !== undefined ) data.sheen = this.sheen;\n\t\tif ( this.sheenColor && this.sheenColor.isColor ) data.sheenColor = this.sheenColor.getHex();\n\t\tif ( this.sheenRoughness !== undefined ) data.sheenRoughness = this.sheenRoughness;\n\t\tif ( this.emissive && this.emissive.isColor ) data.emissive = this.emissive.getHex();\n\t\tif ( this.emissiveIntensity !== undefined && this.emissiveIntensity !== 1 ) data.emissiveIntensity = this.emissiveIntensity;\n\n\t\tif ( this.specular && this.specular.isColor ) data.specular = this.specular.getHex();\n\t\tif ( this.specularIntensity !== undefined ) data.specularIntensity = this.specularIntensity;\n\t\tif ( this.specularColor && this.specularColor.isColor ) data.specularColor = this.specularColor.getHex();\n\t\tif ( this.shininess !== undefined ) data.shininess = this.shininess;\n\t\tif ( this.clearcoat !== undefined ) data.clearcoat = this.clearcoat;\n\t\tif ( this.clearcoatRoughness !== undefined ) data.clearcoatRoughness = this.clearcoatRoughness;\n\n\t\tif ( this.clearcoatMap && this.clearcoatMap.isTexture ) {\n\n\t\t\tdata.clearcoatMap = this.clearcoatMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.clearcoatRoughnessMap && this.clearcoatRoughnessMap.isTexture ) {\n\n\t\t\tdata.clearcoatRoughnessMap = this.clearcoatRoughnessMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.clearcoatNormalMap && this.clearcoatNormalMap.isTexture ) {\n\n\t\t\tdata.clearcoatNormalMap = this.clearcoatNormalMap.toJSON( meta ).uuid;\n\t\t\tdata.clearcoatNormalScale = this.clearcoatNormalScale.toArray();\n\n\t\t}\n\n\t\tif ( this.dispersion !== undefined ) data.dispersion = this.dispersion;\n\n\t\tif ( this.iridescence !== undefined ) data.iridescence = this.iridescence;\n\t\tif ( this.iridescenceIOR !== undefined ) data.iridescenceIOR = this.iridescenceIOR;\n\t\tif ( this.iridescenceThicknessRange !== undefined ) data.iridescenceThicknessRange = this.iridescenceThicknessRange;\n\n\t\tif ( this.iridescenceMap && this.iridescenceMap.isTexture ) {\n\n\t\t\tdata.iridescenceMap = this.iridescenceMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.iridescenceThicknessMap && this.iridescenceThicknessMap.isTexture ) {\n\n\t\t\tdata.iridescenceThicknessMap = this.iridescenceThicknessMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.anisotropy !== undefined ) data.anisotropy = this.anisotropy;\n\t\tif ( this.anisotropyRotation !== undefined ) data.anisotropyRotation = this.anisotropyRotation;\n\n\t\tif ( this.anisotropyMap && this.anisotropyMap.isTexture ) {\n\n\t\t\tdata.anisotropyMap = this.anisotropyMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.map && this.map.isTexture ) data.map = this.map.toJSON( meta ).uuid;\n\t\tif ( this.matcap && this.matcap.isTexture ) data.matcap = this.matcap.toJSON( meta ).uuid;\n\t\tif ( this.alphaMap && this.alphaMap.isTexture ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid;\n\n\t\tif ( this.lightMap && this.lightMap.isTexture ) {\n\n\t\t\tdata.lightMap = this.lightMap.toJSON( meta ).uuid;\n\t\t\tdata.lightMapIntensity = this.lightMapIntensity;\n\n\t\t}\n\n\t\tif ( this.aoMap && this.aoMap.isTexture ) {\n\n\t\t\tdata.aoMap = this.aoMap.toJSON( meta ).uuid;\n\t\t\tdata.aoMapIntensity = this.aoMapIntensity;\n\n\t\t}\n\n\t\tif ( this.bumpMap && this.bumpMap.isTexture ) {\n\n\t\t\tdata.bumpMap = this.bumpMap.toJSON( meta ).uuid;\n\t\t\tdata.bumpScale = this.bumpScale;\n\n\t\t}\n\n\t\tif ( this.normalMap && this.normalMap.isTexture ) {\n\n\t\t\tdata.normalMap = this.normalMap.toJSON( meta ).uuid;\n\t\t\tdata.normalMapType = this.normalMapType;\n\t\t\tdata.normalScale = this.normalScale.toArray();\n\n\t\t}\n\n\t\tif ( this.displacementMap && this.displacementMap.isTexture ) {\n\n\t\t\tdata.displacementMap = this.displacementMap.toJSON( meta ).uuid;\n\t\t\tdata.displacementScale = this.displacementScale;\n\t\t\tdata.displacementBias = this.displacementBias;\n\n\t\t}\n\n\t\tif ( this.roughnessMap && this.roughnessMap.isTexture ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid;\n\t\tif ( this.metalnessMap && this.metalnessMap.isTexture ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid;\n\n\t\tif ( this.emissiveMap && this.emissiveMap.isTexture ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid;\n\t\tif ( this.specularMap && this.specularMap.isTexture ) data.specularMap = this.specularMap.toJSON( meta ).uuid;\n\t\tif ( this.specularIntensityMap && this.specularIntensityMap.isTexture ) data.specularIntensityMap = this.specularIntensityMap.toJSON( meta ).uuid;\n\t\tif ( this.specularColorMap && this.specularColorMap.isTexture ) data.specularColorMap = this.specularColorMap.toJSON( meta ).uuid;\n\n\t\tif ( this.envMap && this.envMap.isTexture ) {\n\n\t\t\tdata.envMap = this.envMap.toJSON( meta ).uuid;\n\n\t\t\tif ( this.combine !== undefined ) data.combine = this.combine;\n\n\t\t}\n\n\t\tif ( this.envMapRotation !== undefined ) data.envMapRotation = this.envMapRotation.toArray();\n\t\tif ( this.envMapIntensity !== undefined ) data.envMapIntensity = this.envMapIntensity;\n\t\tif ( this.reflectivity !== undefined ) data.reflectivity = this.reflectivity;\n\t\tif ( this.refractionRatio !== undefined ) data.refractionRatio = this.refractionRatio;\n\n\t\tif ( this.gradientMap && this.gradientMap.isTexture ) {\n\n\t\t\tdata.gradientMap = this.gradientMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.transmission !== undefined ) data.transmission = this.transmission;\n\t\tif ( this.transmissionMap && this.transmissionMap.isTexture ) data.transmissionMap = this.transmissionMap.toJSON( meta ).uuid;\n\t\tif ( this.thickness !== undefined ) data.thickness = this.thickness;\n\t\tif ( this.thicknessMap && this.thicknessMap.isTexture ) data.thicknessMap = this.thicknessMap.toJSON( meta ).uuid;\n\t\tif ( this.attenuationDistance !== undefined && this.attenuationDistance !== Infinity ) data.attenuationDistance = this.attenuationDistance;\n\t\tif ( this.attenuationColor !== undefined ) data.attenuationColor = this.attenuationColor.getHex();\n\n\t\tif ( this.size !== undefined ) data.size = this.size;\n\t\tif ( this.shadowSide !== null ) data.shadowSide = this.shadowSide;\n\t\tif ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation;\n\n\t\tif ( this.blending !== NormalBlending ) data.blending = this.blending;\n\t\tif ( this.side !== FrontSide ) data.side = this.side;\n\t\tif ( this.vertexColors === true ) data.vertexColors = true;\n\n\t\tif ( this.opacity < 1 ) data.opacity = this.opacity;\n\t\tif ( this.transparent === true ) data.transparent = true;\n\n\t\tif ( this.blendSrc !== SrcAlphaFactor ) data.blendSrc = this.blendSrc;\n\t\tif ( this.blendDst !== OneMinusSrcAlphaFactor ) data.blendDst = this.blendDst;\n\t\tif ( this.blendEquation !== AddEquation ) data.blendEquation = this.blendEquation;\n\t\tif ( this.blendSrcAlpha !== null ) data.blendSrcAlpha = this.blendSrcAlpha;\n\t\tif ( this.blendDstAlpha !== null ) data.blendDstAlpha = this.blendDstAlpha;\n\t\tif ( this.blendEquationAlpha !== null ) data.blendEquationAlpha = this.blendEquationAlpha;\n\t\tif ( this.blendColor && this.blendColor.isColor ) data.blendColor = this.blendColor.getHex();\n\t\tif ( this.blendAlpha !== 0 ) data.blendAlpha = this.blendAlpha;\n\n\t\tif ( this.depthFunc !== LessEqualDepth ) data.depthFunc = this.depthFunc;\n\t\tif ( this.depthTest === false ) data.depthTest = this.depthTest;\n\t\tif ( this.depthWrite === false ) data.depthWrite = this.depthWrite;\n\t\tif ( this.colorWrite === false ) data.colorWrite = this.colorWrite;\n\n\t\tif ( this.stencilWriteMask !== 0xff ) data.stencilWriteMask = this.stencilWriteMask;\n\t\tif ( this.stencilFunc !== AlwaysStencilFunc ) data.stencilFunc = this.stencilFunc;\n\t\tif ( this.stencilRef !== 0 ) data.stencilRef = this.stencilRef;\n\t\tif ( this.stencilFuncMask !== 0xff ) data.stencilFuncMask = this.stencilFuncMask;\n\t\tif ( this.stencilFail !== KeepStencilOp ) data.stencilFail = this.stencilFail;\n\t\tif ( this.stencilZFail !== KeepStencilOp ) data.stencilZFail = this.stencilZFail;\n\t\tif ( this.stencilZPass !== KeepStencilOp ) data.stencilZPass = this.stencilZPass;\n\t\tif ( this.stencilWrite === true ) data.stencilWrite = this.stencilWrite;\n\n\t\t// rotation (SpriteMaterial)\n\t\tif ( this.rotation !== undefined && this.rotation !== 0 ) data.rotation = this.rotation;\n\n\t\tif ( this.polygonOffset === true ) data.polygonOffset = true;\n\t\tif ( this.polygonOffsetFactor !== 0 ) data.polygonOffsetFactor = this.polygonOffsetFactor;\n\t\tif ( this.polygonOffsetUnits !== 0 ) data.polygonOffsetUnits = this.polygonOffsetUnits;\n\n\t\tif ( this.linewidth !== undefined && this.linewidth !== 1 ) data.linewidth = this.linewidth;\n\t\tif ( this.dashSize !== undefined ) data.dashSize = this.dashSize;\n\t\tif ( this.gapSize !== undefined ) data.gapSize = this.gapSize;\n\t\tif ( this.scale !== undefined ) data.scale = this.scale;\n\n\t\tif ( this.dithering === true ) data.dithering = true;\n\n\t\tif ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest;\n\t\tif ( this.alphaHash === true ) data.alphaHash = true;\n\t\tif ( this.alphaToCoverage === true ) data.alphaToCoverage = true;\n\t\tif ( this.premultipliedAlpha === true ) data.premultipliedAlpha = true;\n\t\tif ( this.forceSinglePass === true ) data.forceSinglePass = true;\n\n\t\tif ( this.wireframe === true ) data.wireframe = true;\n\t\tif ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth;\n\t\tif ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap;\n\t\tif ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin;\n\n\t\tif ( this.flatShading === true ) data.flatShading = true;\n\n\t\tif ( this.visible === false ) data.visible = false;\n\n\t\tif ( this.toneMapped === false ) data.toneMapped = false;\n\n\t\tif ( this.fog === false ) data.fog = false;\n\n\t\tif ( Object.keys( this.userData ).length > 0 ) data.userData = this.userData;\n\n\t\t// TODO: Copied from Object3D.toJSON\n\n\t\tfunction extractFromCache( cache ) {\n\n\t\t\tconst values = [];\n\n\t\t\tfor ( const key in cache ) {\n\n\t\t\t\tconst data = cache[ key ];\n\t\t\t\tdelete data.metadata;\n\t\t\t\tvalues.push( data );\n\n\t\t\t}\n\n\t\t\treturn values;\n\n\t\t}\n\n\t\tif ( isRootObject ) {\n\n\t\t\tconst textures = extractFromCache( meta.textures );\n\t\t\tconst images = extractFromCache( meta.images );\n\n\t\t\tif ( textures.length > 0 ) data.textures = textures;\n\t\t\tif ( images.length > 0 ) data.images = images;\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.blending = source.blending;\n\t\tthis.side = source.side;\n\t\tthis.vertexColors = source.vertexColors;\n\n\t\tthis.opacity = source.opacity;\n\t\tthis.transparent = source.transparent;\n\n\t\tthis.blendSrc = source.blendSrc;\n\t\tthis.blendDst = source.blendDst;\n\t\tthis.blendEquation = source.blendEquation;\n\t\tthis.blendSrcAlpha = source.blendSrcAlpha;\n\t\tthis.blendDstAlpha = source.blendDstAlpha;\n\t\tthis.blendEquationAlpha = source.blendEquationAlpha;\n\t\tthis.blendColor.copy( source.blendColor );\n\t\tthis.blendAlpha = source.blendAlpha;\n\n\t\tthis.depthFunc = source.depthFunc;\n\t\tthis.depthTest = source.depthTest;\n\t\tthis.depthWrite = source.depthWrite;\n\n\t\tthis.stencilWriteMask = source.stencilWriteMask;\n\t\tthis.stencilFunc = source.stencilFunc;\n\t\tthis.stencilRef = source.stencilRef;\n\t\tthis.stencilFuncMask = source.stencilFuncMask;\n\t\tthis.stencilFail = source.stencilFail;\n\t\tthis.stencilZFail = source.stencilZFail;\n\t\tthis.stencilZPass = source.stencilZPass;\n\t\tthis.stencilWrite = source.stencilWrite;\n\n\t\tconst srcPlanes = source.clippingPlanes;\n\t\tlet dstPlanes = null;\n\n\t\tif ( srcPlanes !== null ) {\n\n\t\t\tconst n = srcPlanes.length;\n\t\t\tdstPlanes = new Array( n );\n\n\t\t\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\t\t\tdstPlanes[ i ] = srcPlanes[ i ].clone();\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.clippingPlanes = dstPlanes;\n\t\tthis.clipIntersection = source.clipIntersection;\n\t\tthis.clipShadows = source.clipShadows;\n\n\t\tthis.shadowSide = source.shadowSide;\n\n\t\tthis.colorWrite = source.colorWrite;\n\n\t\tthis.precision = source.precision;\n\n\t\tthis.polygonOffset = source.polygonOffset;\n\t\tthis.polygonOffsetFactor = source.polygonOffsetFactor;\n\t\tthis.polygonOffsetUnits = source.polygonOffsetUnits;\n\n\t\tthis.dithering = source.dithering;\n\n\t\tthis.alphaTest = source.alphaTest;\n\t\tthis.alphaHash = source.alphaHash;\n\t\tthis.alphaToCoverage = source.alphaToCoverage;\n\t\tthis.premultipliedAlpha = source.premultipliedAlpha;\n\t\tthis.forceSinglePass = source.forceSinglePass;\n\n\t\tthis.visible = source.visible;\n\n\t\tthis.toneMapped = source.toneMapped;\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tonBuild( /* shaderobject, renderer */ ) {\n\n\t\tconsole.warn( 'Material: onBuild() has been removed.' ); // @deprecated, r166\n\n\t}\n\n}\n\nclass MeshBasicMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshBasicMaterial = true;\n\n\t\tthis.type = 'MeshBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // emissive\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.envMapRotation = new Euler();\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapRotation.copy( source.envMapRotation );\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\n// Fast Half Float Conversions, http://www.fox-toolkit.org/ftp/fasthalffloatconversion.pdf\n\nconst _tables = /*@__PURE__*/ _generateTables();\n\nfunction _generateTables() {\n\n\t// float32 to float16 helpers\n\n\tconst buffer = new ArrayBuffer( 4 );\n\tconst floatView = new Float32Array( buffer );\n\tconst uint32View = new Uint32Array( buffer );\n\n\tconst baseTable = new Uint32Array( 512 );\n\tconst shiftTable = new Uint32Array( 512 );\n\n\tfor ( let i = 0; i < 256; ++ i ) {\n\n\t\tconst e = i - 127;\n\n\t\t// very small number (0, -0)\n\n\t\tif ( e < - 27 ) {\n\n\t\t\tbaseTable[ i ] = 0x0000;\n\t\t\tbaseTable[ i | 0x100 ] = 0x8000;\n\t\t\tshiftTable[ i ] = 24;\n\t\t\tshiftTable[ i | 0x100 ] = 24;\n\n\t\t\t// small number (denorm)\n\n\t\t} else if ( e < - 14 ) {\n\n\t\t\tbaseTable[ i ] = 0x0400 >> ( - e - 14 );\n\t\t\tbaseTable[ i | 0x100 ] = ( 0x0400 >> ( - e - 14 ) ) | 0x8000;\n\t\t\tshiftTable[ i ] = - e - 1;\n\t\t\tshiftTable[ i | 0x100 ] = - e - 1;\n\n\t\t\t// normal number\n\n\t\t} else if ( e <= 15 ) {\n\n\t\t\tbaseTable[ i ] = ( e + 15 ) << 10;\n\t\t\tbaseTable[ i | 0x100 ] = ( ( e + 15 ) << 10 ) | 0x8000;\n\t\t\tshiftTable[ i ] = 13;\n\t\t\tshiftTable[ i | 0x100 ] = 13;\n\n\t\t\t// large number (Infinity, -Infinity)\n\n\t\t} else if ( e < 128 ) {\n\n\t\t\tbaseTable[ i ] = 0x7c00;\n\t\t\tbaseTable[ i | 0x100 ] = 0xfc00;\n\t\t\tshiftTable[ i ] = 24;\n\t\t\tshiftTable[ i | 0x100 ] = 24;\n\n\t\t\t// stay (NaN, Infinity, -Infinity)\n\n\t\t} else {\n\n\t\t\tbaseTable[ i ] = 0x7c00;\n\t\t\tbaseTable[ i | 0x100 ] = 0xfc00;\n\t\t\tshiftTable[ i ] = 13;\n\t\t\tshiftTable[ i | 0x100 ] = 13;\n\n\t\t}\n\n\t}\n\n\t// float16 to float32 helpers\n\n\tconst mantissaTable = new Uint32Array( 2048 );\n\tconst exponentTable = new Uint32Array( 64 );\n\tconst offsetTable = new Uint32Array( 64 );\n\n\tfor ( let i = 1; i < 1024; ++ i ) {\n\n\t\tlet m = i << 13; // zero pad mantissa bits\n\t\tlet e = 0; // zero exponent\n\n\t\t// normalized\n\t\twhile ( ( m & 0x00800000 ) === 0 ) {\n\n\t\t\tm <<= 1;\n\t\t\te -= 0x00800000; // decrement exponent\n\n\t\t}\n\n\t\tm &= ~ 0x00800000; // clear leading 1 bit\n\t\te += 0x38800000; // adjust bias\n\n\t\tmantissaTable[ i ] = m | e;\n\n\t}\n\n\tfor ( let i = 1024; i < 2048; ++ i ) {\n\n\t\tmantissaTable[ i ] = 0x38000000 + ( ( i - 1024 ) << 13 );\n\n\t}\n\n\tfor ( let i = 1; i < 31; ++ i ) {\n\n\t\texponentTable[ i ] = i << 23;\n\n\t}\n\n\texponentTable[ 31 ] = 0x47800000;\n\texponentTable[ 32 ] = 0x80000000;\n\n\tfor ( let i = 33; i < 63; ++ i ) {\n\n\t\texponentTable[ i ] = 0x80000000 + ( ( i - 32 ) << 23 );\n\n\t}\n\n\texponentTable[ 63 ] = 0xc7800000;\n\n\tfor ( let i = 1; i < 64; ++ i ) {\n\n\t\tif ( i !== 32 ) {\n\n\t\t\toffsetTable[ i ] = 1024;\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tfloatView: floatView,\n\t\tuint32View: uint32View,\n\t\tbaseTable: baseTable,\n\t\tshiftTable: shiftTable,\n\t\tmantissaTable: mantissaTable,\n\t\texponentTable: exponentTable,\n\t\toffsetTable: offsetTable\n\t};\n\n}\n\n// float32 to float16\n\nfunction toHalfFloat( val ) {\n\n\tif ( Math.abs( val ) > 65504 ) console.warn( 'THREE.DataUtils.toHalfFloat(): Value out of range.' );\n\n\tval = clamp( val, - 65504, 65504 );\n\n\t_tables.floatView[ 0 ] = val;\n\tconst f = _tables.uint32View[ 0 ];\n\tconst e = ( f >> 23 ) & 0x1ff;\n\treturn _tables.baseTable[ e ] + ( ( f & 0x007fffff ) >> _tables.shiftTable[ e ] );\n\n}\n\n// float16 to float32\n\nfunction fromHalfFloat( val ) {\n\n\tconst m = val >> 10;\n\t_tables.uint32View[ 0 ] = _tables.mantissaTable[ _tables.offsetTable[ m ] + ( val & 0x3ff ) ] + _tables.exponentTable[ m ];\n\treturn _tables.floatView[ 0 ];\n\n}\n\nconst DataUtils = {\n\ttoHalfFloat: toHalfFloat,\n\tfromHalfFloat: fromHalfFloat,\n};\n\nconst _vector$9 = /*@__PURE__*/ new Vector3();\nconst _vector2$1 = /*@__PURE__*/ new Vector2();\n\nlet _id$2 = 0;\n\nclass BufferAttribute {\n\n\tconstructor( array, itemSize, normalized = false ) {\n\n\t\tif ( Array.isArray( array ) ) {\n\n\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t}\n\n\t\tthis.isBufferAttribute = true;\n\n\t\tObject.defineProperty( this, 'id', { value: _id$2 ++ } );\n\n\t\tthis.name = '';\n\n\t\tthis.array = array;\n\t\tthis.itemSize = itemSize;\n\t\tthis.count = array !== undefined ? array.length / itemSize : 0;\n\t\tthis.normalized = normalized;\n\n\t\tthis.usage = StaticDrawUsage;\n\t\tthis.updateRanges = [];\n\t\tthis.gpuType = FloatType;\n\n\t\tthis.version = 0;\n\n\t}\n\n\tonUploadCallback() {}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tsetUsage( value ) {\n\n\t\tthis.usage = value;\n\n\t\treturn this;\n\n\t}\n\n\taddUpdateRange( start, count ) {\n\n\t\tthis.updateRanges.push( { start, count } );\n\n\t}\n\n\tclearUpdateRanges() {\n\n\t\tthis.updateRanges.length = 0;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\t\tthis.array = new source.array.constructor( source.array );\n\t\tthis.itemSize = source.itemSize;\n\t\tthis.count = source.count;\n\t\tthis.normalized = source.normalized;\n\n\t\tthis.usage = source.usage;\n\t\tthis.gpuType = source.gpuType;\n\n\t\treturn this;\n\n\t}\n\n\tcopyAt( index1, attribute, index2 ) {\n\n\t\tindex1 *= this.itemSize;\n\t\tindex2 *= attribute.itemSize;\n\n\t\tfor ( let i = 0, l = this.itemSize; i < l; i ++ ) {\n\n\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcopyArray( array ) {\n\n\t\tthis.array.set( array );\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tif ( this.itemSize === 2 ) {\n\n\t\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t\t_vector2$1.fromBufferAttribute( this, i );\n\t\t\t\t_vector2$1.applyMatrix3( m );\n\n\t\t\t\tthis.setXY( i, _vector2$1.x, _vector2$1.y );\n\n\t\t\t}\n\n\t\t} else if ( this.itemSize === 3 ) {\n\n\t\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t\t_vector$9.fromBufferAttribute( this, i );\n\t\t\t\t_vector$9.applyMatrix3( m );\n\n\t\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.fromBufferAttribute( this, i );\n\n\t\t\t_vector$9.applyMatrix4( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyNormalMatrix( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.fromBufferAttribute( this, i );\n\n\t\t\t_vector$9.applyNormalMatrix( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttransformDirection( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.fromBufferAttribute( this, i );\n\n\t\t\t_vector$9.transformDirection( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tset( value, offset = 0 ) {\n\n\t\t// Matching BufferAttribute constructor, do not normalize the array.\n\t\tthis.array.set( value, offset );\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index, component ) {\n\n\t\tlet value = this.array[ index * this.itemSize + component ];\n\n\t\tif ( this.normalized ) value = denormalize( value, this.array );\n\n\t\treturn value;\n\n\t}\n\n\tsetComponent( index, component, value ) {\n\n\t\tif ( this.normalized ) value = normalize( value, this.array );\n\n\t\tthis.array[ index * this.itemSize + component ] = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetX( index ) {\n\n\t\tlet x = this.array[ index * this.itemSize ];\n\n\t\tif ( this.normalized ) x = denormalize( x, this.array );\n\n\t\treturn x;\n\n\t}\n\n\tsetX( index, x ) {\n\n\t\tif ( this.normalized ) x = normalize( x, this.array );\n\n\t\tthis.array[ index * this.itemSize ] = x;\n\n\t\treturn this;\n\n\t}\n\n\tgetY( index ) {\n\n\t\tlet y = this.array[ index * this.itemSize + 1 ];\n\n\t\tif ( this.normalized ) y = denormalize( y, this.array );\n\n\t\treturn y;\n\n\t}\n\n\tsetY( index, y ) {\n\n\t\tif ( this.normalized ) y = normalize( y, this.array );\n\n\t\tthis.array[ index * this.itemSize + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tgetZ( index ) {\n\n\t\tlet z = this.array[ index * this.itemSize + 2 ];\n\n\t\tif ( this.normalized ) z = denormalize( z, this.array );\n\n\t\treturn z;\n\n\t}\n\n\tsetZ( index, z ) {\n\n\t\tif ( this.normalized ) z = normalize( z, this.array );\n\n\t\tthis.array[ index * this.itemSize + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tgetW( index ) {\n\n\t\tlet w = this.array[ index * this.itemSize + 3 ];\n\n\t\tif ( this.normalized ) w = denormalize( w, this.array );\n\n\t\treturn w;\n\n\t}\n\n\tsetW( index, w ) {\n\n\t\tif ( this.normalized ) w = normalize( w, this.array );\n\n\t\tthis.array[ index * this.itemSize + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetXY( index, x, y ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\n\t\t}\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZ( index, x, y, z ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\t\t\tz = normalize( z, this.array );\n\n\t\t}\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\t\tthis.array[ index + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZW( index, x, y, z, w ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\t\t\tz = normalize( z, this.array );\n\t\t\tw = normalize( w, this.array );\n\n\t\t}\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\t\tthis.array[ index + 2 ] = z;\n\t\tthis.array[ index + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tonUpload( callback ) {\n\n\t\tthis.onUploadCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.array, this.itemSize ).copy( this );\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\titemSize: this.itemSize,\n\t\t\ttype: this.array.constructor.name,\n\t\t\tarray: Array.from( this.array ),\n\t\t\tnormalized: this.normalized\n\t\t};\n\n\t\tif ( this.name !== '' ) data.name = this.name;\n\t\tif ( this.usage !== StaticDrawUsage ) data.usage = this.usage;\n\n\t\treturn data;\n\n\t}\n\n}\n\n//\n\nclass Int8BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int8Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint8BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint8Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint8ClampedBufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint8ClampedArray( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Int16BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int16Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint16BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint16Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Int32BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint32BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Float16BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint16Array( array ), itemSize, normalized );\n\n\t\tthis.isFloat16BufferAttribute = true;\n\n\t}\n\n\tgetX( index ) {\n\n\t\tlet x = fromHalfFloat( this.array[ index * this.itemSize ] );\n\n\t\tif ( this.normalized ) x = denormalize( x, this.array );\n\n\t\treturn x;\n\n\t}\n\n\tsetX( index, x ) {\n\n\t\tif ( this.normalized ) x = normalize( x, this.array );\n\n\t\tthis.array[ index * this.itemSize ] = toHalfFloat( x );\n\n\t\treturn this;\n\n\t}\n\n\tgetY( index ) {\n\n\t\tlet y = fromHalfFloat( this.array[ index * this.itemSize + 1 ] );\n\n\t\tif ( this.normalized ) y = denormalize( y, this.array );\n\n\t\treturn y;\n\n\t}\n\n\tsetY( index, y ) {\n\n\t\tif ( this.normalized ) y = normalize( y, this.array );\n\n\t\tthis.array[ index * this.itemSize + 1 ] = toHalfFloat( y );\n\n\t\treturn this;\n\n\t}\n\n\tgetZ( index ) {\n\n\t\tlet z = fromHalfFloat( this.array[ index * this.itemSize + 2 ] );\n\n\t\tif ( this.normalized ) z = denormalize( z, this.array );\n\n\t\treturn z;\n\n\t}\n\n\tsetZ( index, z ) {\n\n\t\tif ( this.normalized ) z = normalize( z, this.array );\n\n\t\tthis.array[ index * this.itemSize + 2 ] = toHalfFloat( z );\n\n\t\treturn this;\n\n\t}\n\n\tgetW( index ) {\n\n\t\tlet w = fromHalfFloat( this.array[ index * this.itemSize + 3 ] );\n\n\t\tif ( this.normalized ) w = denormalize( w, this.array );\n\n\t\treturn w;\n\n\t}\n\n\tsetW( index, w ) {\n\n\t\tif ( this.normalized ) w = normalize( w, this.array );\n\n\t\tthis.array[ index * this.itemSize + 3 ] = toHalfFloat( w );\n\n\t\treturn this;\n\n\t}\n\n\tsetXY( index, x, y ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\n\t\t}\n\n\t\tthis.array[ index + 0 ] = toHalfFloat( x );\n\t\tthis.array[ index + 1 ] = toHalfFloat( y );\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZ( index, x, y, z ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\t\t\tz = normalize( z, this.array );\n\n\t\t}\n\n\t\tthis.array[ index + 0 ] = toHalfFloat( x );\n\t\tthis.array[ index + 1 ] = toHalfFloat( y );\n\t\tthis.array[ index + 2 ] = toHalfFloat( z );\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZW( index, x, y, z, w ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\t\t\tz = normalize( z, this.array );\n\t\t\tw = normalize( w, this.array );\n\n\t\t}\n\n\t\tthis.array[ index + 0 ] = toHalfFloat( x );\n\t\tthis.array[ index + 1 ] = toHalfFloat( y );\n\t\tthis.array[ index + 2 ] = toHalfFloat( z );\n\t\tthis.array[ index + 3 ] = toHalfFloat( w );\n\n\t\treturn this;\n\n\t}\n\n}\n\n\nclass Float32BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Float32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nlet _id$1 = 0;\n\nconst _m1 = /*@__PURE__*/ new Matrix4();\nconst _obj = /*@__PURE__*/ new Object3D();\nconst _offset = /*@__PURE__*/ new Vector3();\nconst _box$2 = /*@__PURE__*/ new Box3();\nconst _boxMorphTargets = /*@__PURE__*/ new Box3();\nconst _vector$8 = /*@__PURE__*/ new Vector3();\n\nclass BufferGeometry extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isBufferGeometry = true;\n\n\t\tObject.defineProperty( this, 'id', { value: _id$1 ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'BufferGeometry';\n\n\t\tthis.index = null;\n\t\tthis.indirect = null;\n\t\tthis.attributes = {};\n\n\t\tthis.morphAttributes = {};\n\t\tthis.morphTargetsRelative = false;\n\n\t\tthis.groups = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\tthis.drawRange = { start: 0, count: Infinity };\n\n\t\tthis.userData = {};\n\n\t}\n\n\tgetIndex() {\n\n\t\treturn this.index;\n\n\t}\n\n\tsetIndex( index ) {\n\n\t\tif ( Array.isArray( index ) ) {\n\n\t\t\tthis.index = new ( arrayNeedsUint32( index ) ? Uint32BufferAttribute : Uint16BufferAttribute )( index, 1 );\n\n\t\t} else {\n\n\t\t\tthis.index = index;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetIndirect( indirect ) {\n\n\t\tthis.indirect = indirect;\n\n\t\treturn this;\n\n\t}\n\n\tgetIndirect() {\n\n\t\treturn this.indirect;\n\n\t}\n\n\tgetAttribute( name ) {\n\n\t\treturn this.attributes[ name ];\n\n\t}\n\n\tsetAttribute( name, attribute ) {\n\n\t\tthis.attributes[ name ] = attribute;\n\n\t\treturn this;\n\n\t}\n\n\tdeleteAttribute( name ) {\n\n\t\tdelete this.attributes[ name ];\n\n\t\treturn this;\n\n\t}\n\n\thasAttribute( name ) {\n\n\t\treturn this.attributes[ name ] !== undefined;\n\n\t}\n\n\taddGroup( start, count, materialIndex = 0 ) {\n\n\t\tthis.groups.push( {\n\n\t\t\tstart: start,\n\t\t\tcount: count,\n\t\t\tmaterialIndex: materialIndex\n\n\t\t} );\n\n\t}\n\n\tclearGroups() {\n\n\t\tthis.groups = [];\n\n\t}\n\n\tsetDrawRange( start, count ) {\n\n\t\tthis.drawRange.start = start;\n\t\tthis.drawRange.count = count;\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tconst position = this.attributes.position;\n\n\t\tif ( position !== undefined ) {\n\n\t\t\tposition.applyMatrix4( matrix );\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t}\n\n\t\tconst normal = this.attributes.normal;\n\n\t\tif ( normal !== undefined ) {\n\n\t\t\tconst normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\tnormal.applyNormalMatrix( normalMatrix );\n\n\t\t\tnormal.needsUpdate = true;\n\n\t\t}\n\n\t\tconst tangent = this.attributes.tangent;\n\n\t\tif ( tangent !== undefined ) {\n\n\t\t\ttangent.transformDirection( matrix );\n\n\t\t\ttangent.needsUpdate = true;\n\n\t\t}\n\n\t\tif ( this.boundingBox !== null ) {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t}\n\n\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\tthis.computeBoundingSphere();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyQuaternion( q ) {\n\n\t\t_m1.makeRotationFromQuaternion( q );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateX( angle ) {\n\n\t\t// rotate geometry around world x-axis\n\n\t\t_m1.makeRotationX( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateY( angle ) {\n\n\t\t// rotate geometry around world y-axis\n\n\t\t_m1.makeRotationY( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateZ( angle ) {\n\n\t\t// rotate geometry around world z-axis\n\n\t\t_m1.makeRotationZ( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( x, y, z ) {\n\n\t\t// translate geometry\n\n\t\t_m1.makeTranslation( x, y, z );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\tscale( x, y, z ) {\n\n\t\t// scale geometry\n\n\t\t_m1.makeScale( x, y, z );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\tlookAt( vector ) {\n\n\t\t_obj.lookAt( vector );\n\n\t\t_obj.updateMatrix();\n\n\t\tthis.applyMatrix4( _obj.matrix );\n\n\t\treturn this;\n\n\t}\n\n\tcenter() {\n\n\t\tthis.computeBoundingBox();\n\n\t\tthis.boundingBox.getCenter( _offset ).negate();\n\n\t\tthis.translate( _offset.x, _offset.y, _offset.z );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tconst positionAttribute = this.getAttribute( 'position' );\n\n\t\tif ( positionAttribute === undefined ) {\n\n\t\t\tconst position = [];\n\n\t\t\tfor ( let i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\t\tconst point = points[ i ];\n\t\t\t\tposition.push( point.x, point.y, point.z || 0 );\n\n\t\t\t}\n\n\t\t\tthis.setAttribute( 'position', new Float32BufferAttribute( position, 3 ) );\n\n\t\t} else {\n\n\t\t\tconst l = Math.min( points.length, positionAttribute.count ); // make sure data do not exceed buffer size\n\n\t\t\tfor ( let i = 0; i < l; i ++ ) {\n\n\t\t\t\tconst point = points[ i ];\n\t\t\t\tpositionAttribute.setXYZ( i, point.x, point.y, point.z || 0 );\n\n\t\t\t}\n\n\t\t\tif ( points.length > positionAttribute.count ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: Buffer size too small for points data. Use .dispose() and create a new geometry.' );\n\n\t\t\t}\n\n\t\t\tpositionAttribute.needsUpdate = true;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcomputeBoundingBox() {\n\n\t\tif ( this.boundingBox === null ) {\n\n\t\t\tthis.boundingBox = new Box3();\n\n\t\t}\n\n\t\tconst position = this.attributes.position;\n\t\tconst morphAttributesPosition = this.morphAttributes.position;\n\n\t\tif ( position && position.isGLBufferAttribute ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box.', this );\n\n\t\t\tthis.boundingBox.set(\n\t\t\t\tnew Vector3( - Infinity, - Infinity, - Infinity ),\n\t\t\t\tnew Vector3( + Infinity, + Infinity, + Infinity )\n\t\t\t);\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( position !== undefined ) {\n\n\t\t\tthis.boundingBox.setFromBufferAttribute( position );\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\t_box$2.setFromBufferAttribute( morphAttribute );\n\n\t\t\t\t\tif ( this.morphTargetsRelative ) {\n\n\t\t\t\t\t\t_vector$8.addVectors( this.boundingBox.min, _box$2.min );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _vector$8 );\n\n\t\t\t\t\t\t_vector$8.addVectors( this.boundingBox.max, _box$2.max );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _vector$8 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _box$2.min );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _box$2.max );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tthis.boundingBox.makeEmpty();\n\n\t\t}\n\n\t\tif ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t}\n\n\t}\n\n\tcomputeBoundingSphere() {\n\n\t\tif ( this.boundingSphere === null ) {\n\n\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t}\n\n\t\tconst position = this.attributes.position;\n\t\tconst morphAttributesPosition = this.morphAttributes.position;\n\n\t\tif ( position && position.isGLBufferAttribute ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere.', this );\n\n\t\t\tthis.boundingSphere.set( new Vector3(), Infinity );\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( position ) {\n\n\t\t\t// first, find the center of the bounding sphere\n\n\t\t\tconst center = this.boundingSphere.center;\n\n\t\t\t_box$2.setFromBufferAttribute( position );\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\t_boxMorphTargets.setFromBufferAttribute( morphAttribute );\n\n\t\t\t\t\tif ( this.morphTargetsRelative ) {\n\n\t\t\t\t\t\t_vector$8.addVectors( _box$2.min, _boxMorphTargets.min );\n\t\t\t\t\t\t_box$2.expandByPoint( _vector$8 );\n\n\t\t\t\t\t\t_vector$8.addVectors( _box$2.max, _boxMorphTargets.max );\n\t\t\t\t\t\t_box$2.expandByPoint( _vector$8 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_box$2.expandByPoint( _boxMorphTargets.min );\n\t\t\t\t\t\t_box$2.expandByPoint( _boxMorphTargets.max );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_box$2.getCenter( center );\n\n\t\t\t// second, try to find a boundingSphere with a radius smaller than the\n\t\t\t// boundingSphere of the boundingBox: sqrt(3) smaller in the best case\n\n\t\t\tlet maxRadiusSq = 0;\n\n\t\t\tfor ( let i = 0, il = position.count; i < il; i ++ ) {\n\n\t\t\t\t_vector$8.fromBufferAttribute( position, i );\n\n\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$8 ) );\n\n\t\t\t}\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\tconst morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t\t\t\tfor ( let j = 0, jl = morphAttribute.count; j < jl; j ++ ) {\n\n\t\t\t\t\t\t_vector$8.fromBufferAttribute( morphAttribute, j );\n\n\t\t\t\t\t\tif ( morphTargetsRelative ) {\n\n\t\t\t\t\t\t\t_offset.fromBufferAttribute( position, j );\n\t\t\t\t\t\t\t_vector$8.add( _offset );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$8 ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.boundingSphere.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\tif ( isNaN( this.boundingSphere.radius ) ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcomputeTangents() {\n\n\t\tconst index = this.index;\n\t\tconst attributes = this.attributes;\n\n\t\t// based on http://www.terathon.com/code/tangent.html\n\t\t// (per vertex tangents)\n\n\t\tif ( index === null ||\n\t\t\t attributes.position === undefined ||\n\t\t\t attributes.normal === undefined ||\n\t\t\t attributes.uv === undefined ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst positionAttribute = attributes.position;\n\t\tconst normalAttribute = attributes.normal;\n\t\tconst uvAttribute = attributes.uv;\n\n\t\tif ( this.hasAttribute( 'tangent' ) === false ) {\n\n\t\t\tthis.setAttribute( 'tangent', new BufferAttribute( new Float32Array( 4 * positionAttribute.count ), 4 ) );\n\n\t\t}\n\n\t\tconst tangentAttribute = this.getAttribute( 'tangent' );\n\n\t\tconst tan1 = [], tan2 = [];\n\n\t\tfor ( let i = 0; i < positionAttribute.count; i ++ ) {\n\n\t\t\ttan1[ i ] = new Vector3();\n\t\t\ttan2[ i ] = new Vector3();\n\n\t\t}\n\n\t\tconst vA = new Vector3(),\n\t\t\tvB = new Vector3(),\n\t\t\tvC = new Vector3(),\n\n\t\t\tuvA = new Vector2(),\n\t\t\tuvB = new Vector2(),\n\t\t\tuvC = new Vector2(),\n\n\t\t\tsdir = new Vector3(),\n\t\t\ttdir = new Vector3();\n\n\t\tfunction handleTriangle( a, b, c ) {\n\n\t\t\tvA.fromBufferAttribute( positionAttribute, a );\n\t\t\tvB.fromBufferAttribute( positionAttribute, b );\n\t\t\tvC.fromBufferAttribute( positionAttribute, c );\n\n\t\t\tuvA.fromBufferAttribute( uvAttribute, a );\n\t\t\tuvB.fromBufferAttribute( uvAttribute, b );\n\t\t\tuvC.fromBufferAttribute( uvAttribute, c );\n\n\t\t\tvB.sub( vA );\n\t\t\tvC.sub( vA );\n\n\t\t\tuvB.sub( uvA );\n\t\t\tuvC.sub( uvA );\n\n\t\t\tconst r = 1.0 / ( uvB.x * uvC.y - uvC.x * uvB.y );\n\n\t\t\t// silently ignore degenerate uv triangles having coincident or colinear vertices\n\n\t\t\tif ( ! isFinite( r ) ) return;\n\n\t\t\tsdir.copy( vB ).multiplyScalar( uvC.y ).addScaledVector( vC, - uvB.y ).multiplyScalar( r );\n\t\t\ttdir.copy( vC ).multiplyScalar( uvB.x ).addScaledVector( vB, - uvC.x ).multiplyScalar( r );\n\n\t\t\ttan1[ a ].add( sdir );\n\t\t\ttan1[ b ].add( sdir );\n\t\t\ttan1[ c ].add( sdir );\n\n\t\t\ttan2[ a ].add( tdir );\n\t\t\ttan2[ b ].add( tdir );\n\t\t\ttan2[ c ].add( tdir );\n\n\t\t}\n\n\t\tlet groups = this.groups;\n\n\t\tif ( groups.length === 0 ) {\n\n\t\t\tgroups = [ {\n\t\t\t\tstart: 0,\n\t\t\t\tcount: index.count\n\t\t\t} ];\n\n\t\t}\n\n\t\tfor ( let i = 0, il = groups.length; i < il; ++ i ) {\n\n\t\t\tconst group = groups[ i ];\n\n\t\t\tconst start = group.start;\n\t\t\tconst count = group.count;\n\n\t\t\tfor ( let j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\thandleTriangle(\n\t\t\t\t\tindex.getX( j + 0 ),\n\t\t\t\t\tindex.getX( j + 1 ),\n\t\t\t\t\tindex.getX( j + 2 )\n\t\t\t\t);\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst tmp = new Vector3(), tmp2 = new Vector3();\n\t\tconst n = new Vector3(), n2 = new Vector3();\n\n\t\tfunction handleVertex( v ) {\n\n\t\t\tn.fromBufferAttribute( normalAttribute, v );\n\t\t\tn2.copy( n );\n\n\t\t\tconst t = tan1[ v ];\n\n\t\t\t// Gram-Schmidt orthogonalize\n\n\t\t\ttmp.copy( t );\n\t\t\ttmp.sub( n.multiplyScalar( n.dot( t ) ) ).normalize();\n\n\t\t\t// Calculate handedness\n\n\t\t\ttmp2.crossVectors( n2, t );\n\t\t\tconst test = tmp2.dot( tan2[ v ] );\n\t\t\tconst w = ( test < 0.0 ) ? - 1.0 : 1.0;\n\n\t\t\ttangentAttribute.setXYZW( v, tmp.x, tmp.y, tmp.z, w );\n\n\t\t}\n\n\t\tfor ( let i = 0, il = groups.length; i < il; ++ i ) {\n\n\t\t\tconst group = groups[ i ];\n\n\t\t\tconst start = group.start;\n\t\t\tconst count = group.count;\n\n\t\t\tfor ( let j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\thandleVertex( index.getX( j + 0 ) );\n\t\t\t\thandleVertex( index.getX( j + 1 ) );\n\t\t\t\thandleVertex( index.getX( j + 2 ) );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcomputeVertexNormals() {\n\n\t\tconst index = this.index;\n\t\tconst positionAttribute = this.getAttribute( 'position' );\n\n\t\tif ( positionAttribute !== undefined ) {\n\n\t\t\tlet normalAttribute = this.getAttribute( 'normal' );\n\n\t\t\tif ( normalAttribute === undefined ) {\n\n\t\t\t\tnormalAttribute = new BufferAttribute( new Float32Array( positionAttribute.count * 3 ), 3 );\n\t\t\t\tthis.setAttribute( 'normal', normalAttribute );\n\n\t\t\t} else {\n\n\t\t\t\t// reset existing normals to zero\n\n\t\t\t\tfor ( let i = 0, il = normalAttribute.count; i < il; i ++ ) {\n\n\t\t\t\t\tnormalAttribute.setXYZ( i, 0, 0, 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst pA = new Vector3(), pB = new Vector3(), pC = new Vector3();\n\t\t\tconst nA = new Vector3(), nB = new Vector3(), nC = new Vector3();\n\t\t\tconst cb = new Vector3(), ab = new Vector3();\n\n\t\t\t// indexed elements\n\n\t\t\tif ( index ) {\n\n\t\t\t\tfor ( let i = 0, il = index.count; i < il; i += 3 ) {\n\n\t\t\t\t\tconst vA = index.getX( i + 0 );\n\t\t\t\t\tconst vB = index.getX( i + 1 );\n\t\t\t\t\tconst vC = index.getX( i + 2 );\n\n\t\t\t\t\tpA.fromBufferAttribute( positionAttribute, vA );\n\t\t\t\t\tpB.fromBufferAttribute( positionAttribute, vB );\n\t\t\t\t\tpC.fromBufferAttribute( positionAttribute, vC );\n\n\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tnA.fromBufferAttribute( normalAttribute, vA );\n\t\t\t\t\tnB.fromBufferAttribute( normalAttribute, vB );\n\t\t\t\t\tnC.fromBufferAttribute( normalAttribute, vC );\n\n\t\t\t\t\tnA.add( cb );\n\t\t\t\t\tnB.add( cb );\n\t\t\t\t\tnC.add( cb );\n\n\t\t\t\t\tnormalAttribute.setXYZ( vA, nA.x, nA.y, nA.z );\n\t\t\t\t\tnormalAttribute.setXYZ( vB, nB.x, nB.y, nB.z );\n\t\t\t\t\tnormalAttribute.setXYZ( vC, nC.x, nC.y, nC.z );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed elements (unconnected triangle soup)\n\n\t\t\t\tfor ( let i = 0, il = positionAttribute.count; i < il; i += 3 ) {\n\n\t\t\t\t\tpA.fromBufferAttribute( positionAttribute, i + 0 );\n\t\t\t\t\tpB.fromBufferAttribute( positionAttribute, i + 1 );\n\t\t\t\t\tpC.fromBufferAttribute( positionAttribute, i + 2 );\n\n\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tnormalAttribute.setXYZ( i + 0, cb.x, cb.y, cb.z );\n\t\t\t\t\tnormalAttribute.setXYZ( i + 1, cb.x, cb.y, cb.z );\n\t\t\t\t\tnormalAttribute.setXYZ( i + 2, cb.x, cb.y, cb.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.normalizeNormals();\n\n\t\t\tnormalAttribute.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n\tnormalizeNormals() {\n\n\t\tconst normals = this.attributes.normal;\n\n\t\tfor ( let i = 0, il = normals.count; i < il; i ++ ) {\n\n\t\t\t_vector$8.fromBufferAttribute( normals, i );\n\n\t\t\t_vector$8.normalize();\n\n\t\t\tnormals.setXYZ( i, _vector$8.x, _vector$8.y, _vector$8.z );\n\n\t\t}\n\n\t}\n\n\ttoNonIndexed() {\n\n\t\tfunction convertBufferAttribute( attribute, indices ) {\n\n\t\t\tconst array = attribute.array;\n\t\t\tconst itemSize = attribute.itemSize;\n\t\t\tconst normalized = attribute.normalized;\n\n\t\t\tconst array2 = new array.constructor( indices.length * itemSize );\n\n\t\t\tlet index = 0, index2 = 0;\n\n\t\t\tfor ( let i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\tindex = indices[ i ] * attribute.data.stride + attribute.offset;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tindex = indices[ i ] * itemSize;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let j = 0; j < itemSize; j ++ ) {\n\n\t\t\t\t\tarray2[ index2 ++ ] = array[ index ++ ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn new BufferAttribute( array2, itemSize, normalized );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.index === null ) {\n\n\t\t\tconsole.warn( 'THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed.' );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst geometry2 = new BufferGeometry();\n\n\t\tconst indices = this.index.array;\n\t\tconst attributes = this.attributes;\n\n\t\t// attributes\n\n\t\tfor ( const name in attributes ) {\n\n\t\t\tconst attribute = attributes[ name ];\n\n\t\t\tconst newAttribute = convertBufferAttribute( attribute, indices );\n\n\t\t\tgeometry2.setAttribute( name, newAttribute );\n\n\t\t}\n\n\t\t// morph attributes\n\n\t\tconst morphAttributes = this.morphAttributes;\n\n\t\tfor ( const name in morphAttributes ) {\n\n\t\t\tconst morphArray = [];\n\t\t\tconst morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes\n\n\t\t\tfor ( let i = 0, il = morphAttribute.length; i < il; i ++ ) {\n\n\t\t\t\tconst attribute = morphAttribute[ i ];\n\n\t\t\t\tconst newAttribute = convertBufferAttribute( attribute, indices );\n\n\t\t\t\tmorphArray.push( newAttribute );\n\n\t\t\t}\n\n\t\t\tgeometry2.morphAttributes[ name ] = morphArray;\n\n\t\t}\n\n\t\tgeometry2.morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t// groups\n\n\t\tconst groups = this.groups;\n\n\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tconst group = groups[ i ];\n\t\t\tgeometry2.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\treturn geometry2;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.6,\n\t\t\t\ttype: 'BufferGeometry',\n\t\t\t\tgenerator: 'BufferGeometry.toJSON'\n\t\t\t}\n\t\t};\n\n\t\t// standard BufferGeometry serialization\n\n\t\tdata.uuid = this.uuid;\n\t\tdata.type = this.type;\n\t\tif ( this.name !== '' ) data.name = this.name;\n\t\tif ( Object.keys( this.userData ).length > 0 ) data.userData = this.userData;\n\n\t\tif ( this.parameters !== undefined ) {\n\n\t\t\tconst parameters = this.parameters;\n\n\t\t\tfor ( const key in parameters ) {\n\n\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\t// for simplicity the code assumes attributes are not shared across geometries, see #15811\n\n\t\tdata.data = { attributes: {} };\n\n\t\tconst index = this.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tdata.data.index = {\n\t\t\t\ttype: index.array.constructor.name,\n\t\t\t\tarray: Array.prototype.slice.call( index.array )\n\t\t\t};\n\n\t\t}\n\n\t\tconst attributes = this.attributes;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tconst attribute = attributes[ key ];\n\n\t\t\tdata.data.attributes[ key ] = attribute.toJSON( data.data );\n\n\t\t}\n\n\t\tconst morphAttributes = {};\n\t\tlet hasMorphAttributes = false;\n\n\t\tfor ( const key in this.morphAttributes ) {\n\n\t\t\tconst attributeArray = this.morphAttributes[ key ];\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0, il = attributeArray.length; i < il; i ++ ) {\n\n\t\t\t\tconst attribute = attributeArray[ i ];\n\n\t\t\t\tarray.push( attribute.toJSON( data.data ) );\n\n\t\t\t}\n\n\t\t\tif ( array.length > 0 ) {\n\n\t\t\t\tmorphAttributes[ key ] = array;\n\n\t\t\t\thasMorphAttributes = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( hasMorphAttributes ) {\n\n\t\t\tdata.data.morphAttributes = morphAttributes;\n\t\t\tdata.data.morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t}\n\n\t\tconst groups = this.groups;\n\n\t\tif ( groups.length > 0 ) {\n\n\t\t\tdata.data.groups = JSON.parse( JSON.stringify( groups ) );\n\n\t\t}\n\n\t\tconst boundingSphere = this.boundingSphere;\n\n\t\tif ( boundingSphere !== null ) {\n\n\t\t\tdata.data.boundingSphere = {\n\t\t\t\tcenter: boundingSphere.center.toArray(),\n\t\t\t\tradius: boundingSphere.radius\n\t\t\t};\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\t// reset\n\n\t\tthis.index = null;\n\t\tthis.attributes = {};\n\t\tthis.morphAttributes = {};\n\t\tthis.groups = [];\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// used for storing cloned, shared data\n\n\t\tconst data = {};\n\n\t\t// name\n\n\t\tthis.name = source.name;\n\n\t\t// index\n\n\t\tconst index = source.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tthis.setIndex( index.clone( data ) );\n\n\t\t}\n\n\t\t// attributes\n\n\t\tconst attributes = source.attributes;\n\n\t\tfor ( const name in attributes ) {\n\n\t\t\tconst attribute = attributes[ name ];\n\t\t\tthis.setAttribute( name, attribute.clone( data ) );\n\n\t\t}\n\n\t\t// morph attributes\n\n\t\tconst morphAttributes = source.morphAttributes;\n\n\t\tfor ( const name in morphAttributes ) {\n\n\t\t\tconst array = [];\n\t\t\tconst morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes\n\n\t\t\tfor ( let i = 0, l = morphAttribute.length; i < l; i ++ ) {\n\n\t\t\t\tarray.push( morphAttribute[ i ].clone( data ) );\n\n\t\t\t}\n\n\t\t\tthis.morphAttributes[ name ] = array;\n\n\t\t}\n\n\t\tthis.morphTargetsRelative = source.morphTargetsRelative;\n\n\t\t// groups\n\n\t\tconst groups = source.groups;\n\n\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tconst group = groups[ i ];\n\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\t// bounding box\n\n\t\tconst boundingBox = source.boundingBox;\n\n\t\tif ( boundingBox !== null ) {\n\n\t\t\tthis.boundingBox = boundingBox.clone();\n\n\t\t}\n\n\t\t// bounding sphere\n\n\t\tconst boundingSphere = source.boundingSphere;\n\n\t\tif ( boundingSphere !== null ) {\n\n\t\t\tthis.boundingSphere = boundingSphere.clone();\n\n\t\t}\n\n\t\t// draw range\n\n\t\tthis.drawRange.start = source.drawRange.start;\n\t\tthis.drawRange.count = source.drawRange.count;\n\n\t\t// user data\n\n\t\tthis.userData = source.userData;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n}\n\nconst _inverseMatrix$3 = /*@__PURE__*/ new Matrix4();\nconst _ray$3 = /*@__PURE__*/ new Ray();\nconst _sphere$6 = /*@__PURE__*/ new Sphere();\nconst _sphereHitAt = /*@__PURE__*/ new Vector3();\n\nconst _vA$1 = /*@__PURE__*/ new Vector3();\nconst _vB$1 = /*@__PURE__*/ new Vector3();\nconst _vC$1 = /*@__PURE__*/ new Vector3();\n\nconst _tempA = /*@__PURE__*/ new Vector3();\nconst _morphA = /*@__PURE__*/ new Vector3();\n\nconst _intersectionPoint = /*@__PURE__*/ new Vector3();\nconst _intersectionPointWorld = /*@__PURE__*/ new Vector3();\n\nclass Mesh extends Object3D {\n\n\tconstructor( geometry = new BufferGeometry(), material = new MeshBasicMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.isMesh = true;\n\n\t\tthis.type = 'Mesh';\n\n\t\tthis.geometry = geometry;\n\t\tthis.material = material;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tif ( source.morphTargetInfluences !== undefined ) {\n\n\t\t\tthis.morphTargetInfluences = source.morphTargetInfluences.slice();\n\n\t\t}\n\n\t\tif ( source.morphTargetDictionary !== undefined ) {\n\n\t\t\tthis.morphTargetDictionary = Object.assign( {}, source.morphTargetDictionary );\n\n\t\t}\n\n\t\tthis.material = Array.isArray( source.material ) ? source.material.slice() : source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tconst morphAttributes = geometry.morphAttributes;\n\t\tconst keys = Object.keys( morphAttributes );\n\n\t\tif ( keys.length > 0 ) {\n\n\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tgetVertexPosition( index, target ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst position = geometry.attributes.position;\n\t\tconst morphPosition = geometry.morphAttributes.position;\n\t\tconst morphTargetsRelative = geometry.morphTargetsRelative;\n\n\t\ttarget.fromBufferAttribute( position, index );\n\n\t\tconst morphInfluences = this.morphTargetInfluences;\n\n\t\tif ( morphPosition && morphInfluences ) {\n\n\t\t\t_morphA.set( 0, 0, 0 );\n\n\t\t\tfor ( let i = 0, il = morphPosition.length; i < il; i ++ ) {\n\n\t\t\t\tconst influence = morphInfluences[ i ];\n\t\t\t\tconst morphAttribute = morphPosition[ i ];\n\n\t\t\t\tif ( influence === 0 ) continue;\n\n\t\t\t\t_tempA.fromBufferAttribute( morphAttribute, index );\n\n\t\t\t\tif ( morphTargetsRelative ) {\n\n\t\t\t\t\t_morphA.addScaledVector( _tempA, influence );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_morphA.addScaledVector( _tempA.sub( target ), influence );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\ttarget.add( _morphA );\n\n\t\t}\n\n\t\treturn target;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst material = this.material;\n\t\tconst matrixWorld = this.matrixWorld;\n\n\t\tif ( material === undefined ) return;\n\n\t\t// test with bounding sphere in world space\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere$6.copy( geometry.boundingSphere );\n\t\t_sphere$6.applyMatrix4( matrixWorld );\n\n\t\t// check distance from ray origin to bounding sphere\n\n\t\t_ray$3.copy( raycaster.ray ).recast( raycaster.near );\n\n\t\tif ( _sphere$6.containsPoint( _ray$3.origin ) === false ) {\n\n\t\t\tif ( _ray$3.intersectSphere( _sphere$6, _sphereHitAt ) === null ) return;\n\n\t\t\tif ( _ray$3.origin.distanceToSquared( _sphereHitAt ) > ( raycaster.far - raycaster.near ) ** 2 ) return;\n\n\t\t}\n\n\t\t// convert ray to local space of mesh\n\n\t\t_inverseMatrix$3.copy( matrixWorld ).invert();\n\t\t_ray$3.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$3 );\n\n\t\t// test with bounding box in local space\n\n\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\tif ( _ray$3.intersectsBox( geometry.boundingBox ) === false ) return;\n\n\t\t}\n\n\t\t// test for intersections with geometry\n\n\t\tthis._computeIntersections( raycaster, intersects, _ray$3 );\n\n\t}\n\n\t_computeIntersections( raycaster, intersects, rayLocalSpace ) {\n\n\t\tlet intersection;\n\n\t\tconst geometry = this.geometry;\n\t\tconst material = this.material;\n\n\t\tconst index = geometry.index;\n\t\tconst position = geometry.attributes.position;\n\t\tconst uv = geometry.attributes.uv;\n\t\tconst uv1 = geometry.attributes.uv1;\n\t\tconst normal = geometry.attributes.normal;\n\t\tconst groups = geometry.groups;\n\t\tconst drawRange = geometry.drawRange;\n\n\t\tif ( index !== null ) {\n\n\t\t\t// indexed buffer geometry\n\n\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\tfor ( let i = 0, il = groups.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\tconst start = Math.max( group.start, drawRange.start );\n\t\t\t\t\tconst end = Math.min( index.count, Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ) );\n\n\t\t\t\t\tfor ( let j = start, jl = end; j < jl; j += 3 ) {\n\n\t\t\t\t\t\tconst a = index.getX( j );\n\t\t\t\t\t\tconst b = index.getX( j + 1 );\n\t\t\t\t\t\tconst c = index.getX( j + 2 );\n\n\t\t\t\t\t\tintersection = checkGeometryIntersection( this, groupMaterial, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( j / 3 ); // triangle number in indexed buffer semantics\n\t\t\t\t\t\t\tintersection.face.materialIndex = group.materialIndex;\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, il = end; i < il; i += 3 ) {\n\n\t\t\t\t\tconst a = index.getX( i );\n\t\t\t\t\tconst b = index.getX( i + 1 );\n\t\t\t\t\tconst c = index.getX( i + 2 );\n\n\t\t\t\t\tintersection = checkGeometryIntersection( this, material, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c );\n\n\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in indexed buffer semantics\n\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else if ( position !== undefined ) {\n\n\t\t\t// non-indexed buffer geometry\n\n\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\tfor ( let i = 0, il = groups.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\tconst start = Math.max( group.start, drawRange.start );\n\t\t\t\t\tconst end = Math.min( position.count, Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ) );\n\n\t\t\t\t\tfor ( let j = start, jl = end; j < jl; j += 3 ) {\n\n\t\t\t\t\t\tconst a = j;\n\t\t\t\t\t\tconst b = j + 1;\n\t\t\t\t\t\tconst c = j + 2;\n\n\t\t\t\t\t\tintersection = checkGeometryIntersection( this, groupMaterial, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( j / 3 ); // triangle number in non-indexed buffer semantics\n\t\t\t\t\t\t\tintersection.face.materialIndex = group.materialIndex;\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( position.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, il = end; i < il; i += 3 ) {\n\n\t\t\t\t\tconst a = i;\n\t\t\t\t\tconst b = i + 1;\n\t\t\t\t\tconst c = i + 2;\n\n\t\t\t\t\tintersection = checkGeometryIntersection( this, material, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c );\n\n\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in non-indexed buffer semantics\n\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nfunction checkIntersection$1( object, material, raycaster, ray, pA, pB, pC, point ) {\n\n\tlet intersect;\n\n\tif ( material.side === BackSide ) {\n\n\t\tintersect = ray.intersectTriangle( pC, pB, pA, true, point );\n\n\t} else {\n\n\t\tintersect = ray.intersectTriangle( pA, pB, pC, ( material.side === FrontSide ), point );\n\n\t}\n\n\tif ( intersect === null ) return null;\n\n\t_intersectionPointWorld.copy( point );\n\t_intersectionPointWorld.applyMatrix4( object.matrixWorld );\n\n\tconst distance = raycaster.ray.origin.distanceTo( _intersectionPointWorld );\n\n\tif ( distance < raycaster.near || distance > raycaster.far ) return null;\n\n\treturn {\n\t\tdistance: distance,\n\t\tpoint: _intersectionPointWorld.clone(),\n\t\tobject: object\n\t};\n\n}\n\nfunction checkGeometryIntersection( object, material, raycaster, ray, uv, uv1, normal, a, b, c ) {\n\n\tobject.getVertexPosition( a, _vA$1 );\n\tobject.getVertexPosition( b, _vB$1 );\n\tobject.getVertexPosition( c, _vC$1 );\n\n\tconst intersection = checkIntersection$1( object, material, raycaster, ray, _vA$1, _vB$1, _vC$1, _intersectionPoint );\n\n\tif ( intersection ) {\n\n\t\tconst barycoord = new Vector3();\n\t\tTriangle.getBarycoord( _intersectionPoint, _vA$1, _vB$1, _vC$1, barycoord );\n\n\t\tif ( uv ) {\n\n\t\t\tintersection.uv = Triangle.getInterpolatedAttribute( uv, a, b, c, barycoord, new Vector2() );\n\n\t\t}\n\n\t\tif ( uv1 ) {\n\n\t\t\tintersection.uv1 = Triangle.getInterpolatedAttribute( uv1, a, b, c, barycoord, new Vector2() );\n\n\t\t}\n\n\t\tif ( normal ) {\n\n\t\t\tintersection.normal = Triangle.getInterpolatedAttribute( normal, a, b, c, barycoord, new Vector3() );\n\n\t\t\tif ( intersection.normal.dot( ray.direction ) > 0 ) {\n\n\t\t\t\tintersection.normal.multiplyScalar( - 1 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst face = {\n\t\t\ta: a,\n\t\t\tb: b,\n\t\t\tc: c,\n\t\t\tnormal: new Vector3(),\n\t\t\tmaterialIndex: 0\n\t\t};\n\n\t\tTriangle.getNormal( _vA$1, _vB$1, _vC$1, face.normal );\n\n\t\tintersection.face = face;\n\t\tintersection.barycoord = barycoord;\n\n\t}\n\n\treturn intersection;\n\n}\n\nclass BoxGeometry extends BufferGeometry {\n\n\tconstructor( width = 1, height = 1, depth = 1, widthSegments = 1, heightSegments = 1, depthSegments = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'BoxGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tconst scope = this;\n\n\t\t// segments\n\n\t\twidthSegments = Math.floor( widthSegments );\n\t\theightSegments = Math.floor( heightSegments );\n\t\tdepthSegments = Math.floor( depthSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet numberOfVertices = 0;\n\t\tlet groupStart = 0;\n\n\t\t// build each side of the box geometry\n\n\t\tbuildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px\n\t\tbuildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx\n\t\tbuildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py\n\t\tbuildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny\n\t\tbuildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz\n\t\tbuildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\tfunction buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) {\n\n\t\t\tconst segmentWidth = width / gridX;\n\t\t\tconst segmentHeight = height / gridY;\n\n\t\t\tconst widthHalf = width / 2;\n\t\t\tconst heightHalf = height / 2;\n\t\t\tconst depthHalf = depth / 2;\n\n\t\t\tconst gridX1 = gridX + 1;\n\t\t\tconst gridY1 = gridY + 1;\n\n\t\t\tlet vertexCounter = 0;\n\t\t\tlet groupCount = 0;\n\n\t\t\tconst vector = new Vector3();\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( let iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\t\tconst y = iy * segmentHeight - heightHalf;\n\n\t\t\t\tfor ( let ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\t\tconst x = ix * segmentWidth - widthHalf;\n\n\t\t\t\t\t// set values to correct vector component\n\n\t\t\t\t\tvector[ u ] = x * udir;\n\t\t\t\t\tvector[ v ] = y * vdir;\n\t\t\t\t\tvector[ w ] = depthHalf;\n\n\t\t\t\t\t// now apply vector to vertex buffer\n\n\t\t\t\t\tvertices.push( vector.x, vector.y, vector.z );\n\n\t\t\t\t\t// set values to correct vector component\n\n\t\t\t\t\tvector[ u ] = 0;\n\t\t\t\t\tvector[ v ] = 0;\n\t\t\t\t\tvector[ w ] = depth > 0 ? 1 : - 1;\n\n\t\t\t\t\t// now apply vector to normal buffer\n\n\t\t\t\t\tnormals.push( vector.x, vector.y, vector.z );\n\n\t\t\t\t\t// uvs\n\n\t\t\t\t\tuvs.push( ix / gridX );\n\t\t\t\t\tuvs.push( 1 - ( iy / gridY ) );\n\n\t\t\t\t\t// counters\n\n\t\t\t\t\tvertexCounter += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// indices\n\n\t\t\t// 1. you need three indices to draw a single face\n\t\t\t// 2. a single segment consists of two faces\n\t\t\t// 3. so we need to generate six (2*3) indices per segment\n\n\t\t\tfor ( let iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\t\tfor ( let ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\t\tconst a = numberOfVertices + ix + gridX1 * iy;\n\t\t\t\t\tconst b = numberOfVertices + ix + gridX1 * ( iy + 1 );\n\t\t\t\t\tconst c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\t\tconst d = numberOfVertices + ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t\t// increase counter\n\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, materialIndex );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t\t// update total number of vertices\n\n\t\t\tnumberOfVertices += vertexCounter;\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new BoxGeometry( data.width, data.height, data.depth, data.widthSegments, data.heightSegments, data.depthSegments );\n\n\t}\n\n}\n\n/**\n * Uniform Utilities\n */\n\nfunction cloneUniforms( src ) {\n\n\tconst dst = {};\n\n\tfor ( const u in src ) {\n\n\t\tdst[ u ] = {};\n\n\t\tfor ( const p in src[ u ] ) {\n\n\t\t\tconst property = src[ u ][ p ];\n\n\t\t\tif ( property && ( property.isColor ||\n\t\t\t\tproperty.isMatrix3 || property.isMatrix4 ||\n\t\t\t\tproperty.isVector2 || property.isVector3 || property.isVector4 ||\n\t\t\t\tproperty.isTexture || property.isQuaternion ) ) {\n\n\t\t\t\tif ( property.isRenderTargetTexture ) {\n\n\t\t\t\t\tconsole.warn( 'UniformsUtils: Textures of render targets cannot be cloned via cloneUniforms() or mergeUniforms().' );\n\t\t\t\t\tdst[ u ][ p ] = null;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tdst[ u ][ p ] = property.clone();\n\n\t\t\t\t}\n\n\t\t\t} else if ( Array.isArray( property ) ) {\n\n\t\t\t\tdst[ u ][ p ] = property.slice();\n\n\t\t\t} else {\n\n\t\t\t\tdst[ u ][ p ] = property;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn dst;\n\n}\n\nfunction mergeUniforms( uniforms ) {\n\n\tconst merged = {};\n\n\tfor ( let u = 0; u < uniforms.length; u ++ ) {\n\n\t\tconst tmp = cloneUniforms( uniforms[ u ] );\n\n\t\tfor ( const p in tmp ) {\n\n\t\t\tmerged[ p ] = tmp[ p ];\n\n\t\t}\n\n\t}\n\n\treturn merged;\n\n}\n\nfunction cloneUniformsGroups( src ) {\n\n\tconst dst = [];\n\n\tfor ( let u = 0; u < src.length; u ++ ) {\n\n\t\tdst.push( src[ u ].clone() );\n\n\t}\n\n\treturn dst;\n\n}\n\nfunction getUnlitUniformColorSpace( renderer ) {\n\n\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\tif ( currentRenderTarget === null ) {\n\n\t\t// https://github.com/mrdoob/three.js/pull/23937#issuecomment-1111067398\n\t\treturn renderer.outputColorSpace;\n\n\t}\n\n\t// https://github.com/mrdoob/three.js/issues/27868\n\tif ( currentRenderTarget.isXRRenderTarget === true ) {\n\n\t\treturn currentRenderTarget.texture.colorSpace;\n\n\t}\n\n\treturn ColorManagement.workingColorSpace;\n\n}\n\n// Legacy\n\nconst UniformsUtils = { clone: cloneUniforms, merge: mergeUniforms };\n\nvar default_vertex = \"void main() {\\n\\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\\n}\";\n\nvar default_fragment = \"void main() {\\n\\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\\n}\";\n\nclass ShaderMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isShaderMaterial = true;\n\n\t\tthis.type = 'ShaderMaterial';\n\n\t\tthis.defines = {};\n\t\tthis.uniforms = {};\n\t\tthis.uniformsGroups = [];\n\n\t\tthis.vertexShader = default_vertex;\n\t\tthis.fragmentShader = default_fragment;\n\n\t\tthis.linewidth = 1;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false; // set to use scene fog\n\t\tthis.lights = false; // set to use scene lights\n\t\tthis.clipping = false; // set to use user-defined clipping planes\n\n\t\tthis.forceSinglePass = true;\n\n\t\tthis.extensions = {\n\t\t\tclipCullDistance: false, // set to use vertex shader clipping\n\t\t\tmultiDraw: false // set to use vertex shader multi_draw / enable gl_DrawID\n\t\t};\n\n\t\t// When rendered geometry doesn't include these attributes but the material does,\n\t\t// use these default values in WebGL. This avoids errors when buffer data is missing.\n\t\tthis.defaultAttributeValues = {\n\t\t\t'color': [ 1, 1, 1 ],\n\t\t\t'uv': [ 0, 0 ],\n\t\t\t'uv1': [ 0, 0 ]\n\t\t};\n\n\t\tthis.index0AttributeName = undefined;\n\t\tthis.uniformsNeedUpdate = false;\n\n\t\tthis.glslVersion = null;\n\n\t\tif ( parameters !== undefined ) {\n\n\t\t\tthis.setValues( parameters );\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.fragmentShader = source.fragmentShader;\n\t\tthis.vertexShader = source.vertexShader;\n\n\t\tthis.uniforms = cloneUniforms( source.uniforms );\n\t\tthis.uniformsGroups = cloneUniformsGroups( source.uniformsGroups );\n\n\t\tthis.defines = Object.assign( {}, source.defines );\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.fog = source.fog;\n\t\tthis.lights = source.lights;\n\t\tthis.clipping = source.clipping;\n\n\t\tthis.extensions = Object.assign( {}, source.extensions );\n\n\t\tthis.glslVersion = source.glslVersion;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.glslVersion = this.glslVersion;\n\t\tdata.uniforms = {};\n\n\t\tfor ( const name in this.uniforms ) {\n\n\t\t\tconst uniform = this.uniforms[ name ];\n\t\t\tconst value = uniform.value;\n\n\t\t\tif ( value && value.isTexture ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 't',\n\t\t\t\t\tvalue: value.toJSON( meta ).uuid\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isColor ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'c',\n\t\t\t\t\tvalue: value.getHex()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector2 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v2',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector3 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v3',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector4 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v4',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isMatrix3 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'm3',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isMatrix4 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'm4',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\tvalue: value\n\t\t\t\t};\n\n\t\t\t\t// note: the array variants v2v, v3v, v4v, m4v and tv are not supported so far\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( Object.keys( this.defines ).length > 0 ) data.defines = this.defines;\n\n\t\tdata.vertexShader = this.vertexShader;\n\t\tdata.fragmentShader = this.fragmentShader;\n\n\t\tdata.lights = this.lights;\n\t\tdata.clipping = this.clipping;\n\n\t\tconst extensions = {};\n\n\t\tfor ( const key in this.extensions ) {\n\n\t\t\tif ( this.extensions[ key ] === true ) extensions[ key ] = true;\n\n\t\t}\n\n\t\tif ( Object.keys( extensions ).length > 0 ) data.extensions = extensions;\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass Camera extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isCamera = true;\n\n\t\tthis.type = 'Camera';\n\n\t\tthis.matrixWorldInverse = new Matrix4();\n\n\t\tthis.projectionMatrix = new Matrix4();\n\t\tthis.projectionMatrixInverse = new Matrix4();\n\n\t\tthis.coordinateSystem = WebGLCoordinateSystem;\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.matrixWorldInverse.copy( source.matrixWorldInverse );\n\n\t\tthis.projectionMatrix.copy( source.projectionMatrix );\n\t\tthis.projectionMatrixInverse.copy( source.projectionMatrixInverse );\n\n\t\tthis.coordinateSystem = source.coordinateSystem;\n\n\t\treturn this;\n\n\t}\n\n\tgetWorldDirection( target ) {\n\n\t\treturn super.getWorldDirection( target ).negate();\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tthis.matrixWorldInverse.copy( this.matrixWorld ).invert();\n\n\t}\n\n\tupdateWorldMatrix( updateParents, updateChildren ) {\n\n\t\tsuper.updateWorldMatrix( updateParents, updateChildren );\n\n\t\tthis.matrixWorldInverse.copy( this.matrixWorld ).invert();\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _v3$1 = /*@__PURE__*/ new Vector3();\nconst _minTarget = /*@__PURE__*/ new Vector2();\nconst _maxTarget = /*@__PURE__*/ new Vector2();\n\n\nclass PerspectiveCamera extends Camera {\n\n\tconstructor( fov = 50, aspect = 1, near = 0.1, far = 2000 ) {\n\n\t\tsuper();\n\n\t\tthis.isPerspectiveCamera = true;\n\n\t\tthis.type = 'PerspectiveCamera';\n\n\t\tthis.fov = fov;\n\t\tthis.zoom = 1;\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\t\tthis.focus = 10;\n\n\t\tthis.aspect = aspect;\n\t\tthis.view = null;\n\n\t\tthis.filmGauge = 35;\t// width of the film (default in millimeters)\n\t\tthis.filmOffset = 0;\t// horizontal film offset (same unit as gauge)\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.fov = source.fov;\n\t\tthis.zoom = source.zoom;\n\n\t\tthis.near = source.near;\n\t\tthis.far = source.far;\n\t\tthis.focus = source.focus;\n\n\t\tthis.aspect = source.aspect;\n\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\tthis.filmGauge = source.filmGauge;\n\t\tthis.filmOffset = source.filmOffset;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the FOV by focal length in respect to the current .filmGauge.\n\t *\n\t * The default film gauge is 35, so that the focal length can be specified for\n\t * a 35mm (full frame) camera.\n\t *\n\t * @param {number} focalLength - Values for focal length and film gauge must have the same unit.\n\t */\n\tsetFocalLength( focalLength ) {\n\n\t\t/** see {@link http://www.bobatkins.com/photography/technical/field_of_view.html} */\n\t\tconst vExtentSlope = 0.5 * this.getFilmHeight() / focalLength;\n\n\t\tthis.fov = RAD2DEG * 2 * Math.atan( vExtentSlope );\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\t/**\n\t * Calculates the focal length from the current .fov and .filmGauge.\n\t *\n\t * @returns {number}\n\t */\n\tgetFocalLength() {\n\n\t\tconst vExtentSlope = Math.tan( DEG2RAD * 0.5 * this.fov );\n\n\t\treturn 0.5 * this.getFilmHeight() / vExtentSlope;\n\n\t}\n\n\tgetEffectiveFOV() {\n\n\t\treturn RAD2DEG * 2 * Math.atan(\n\t\t\tMath.tan( DEG2RAD * 0.5 * this.fov ) / this.zoom );\n\n\t}\n\n\tgetFilmWidth() {\n\n\t\t// film not completely covered in portrait format (aspect < 1)\n\t\treturn this.filmGauge * Math.min( this.aspect, 1 );\n\n\t}\n\n\tgetFilmHeight() {\n\n\t\t// film not completely covered in landscape format (aspect > 1)\n\t\treturn this.filmGauge / Math.max( this.aspect, 1 );\n\n\t}\n\n\t/**\n\t * Computes the 2D bounds of the camera's viewable rectangle at a given distance along the viewing direction.\n\t * Sets minTarget and maxTarget to the coordinates of the lower-left and upper-right corners of the view rectangle.\n\t *\n\t * @param {number} distance\n\t * @param {Vector2} minTarget\n\t * @param {Vector2} maxTarget\n\t */\n\tgetViewBounds( distance, minTarget, maxTarget ) {\n\n\t\t_v3$1.set( - 1, - 1, 0.5 ).applyMatrix4( this.projectionMatrixInverse );\n\n\t\tminTarget.set( _v3$1.x, _v3$1.y ).multiplyScalar( - distance / _v3$1.z );\n\n\t\t_v3$1.set( 1, 1, 0.5 ).applyMatrix4( this.projectionMatrixInverse );\n\n\t\tmaxTarget.set( _v3$1.x, _v3$1.y ).multiplyScalar( - distance / _v3$1.z );\n\n\t}\n\n\t/**\n\t * Computes the width and height of the camera's viewable rectangle at a given distance along the viewing direction.\n\t *\n\t * @param {number} distance\n\t * @param {Vector2} target - Vector2 target used to store result where x is width and y is height.\n\t * @returns {Vector2}\n\t */\n\tgetViewSize( distance, target ) {\n\n\t\tthis.getViewBounds( distance, _minTarget, _maxTarget );\n\n\t\treturn target.subVectors( _maxTarget, _minTarget );\n\n\t}\n\n\t/**\n\t * Sets an offset in a larger frustum. This is useful for multi-window or\n\t * multi-monitor/multi-machine setups.\n\t *\n\t * For example, if you have 3x2 monitors and each monitor is 1920x1080 and\n\t * the monitors are in grid like this\n\t *\n\t * +---+---+---+\n\t * | A | B | C |\n\t * +---+---+---+\n\t * | D | E | F |\n\t * +---+---+---+\n\t *\n\t * then for each monitor you would call it like this\n\t *\n\t * const w = 1920;\n\t * const h = 1080;\n\t * const fullWidth = w * 3;\n\t * const fullHeight = h * 2;\n\t *\n\t * --A--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 0, w, h );\n\t * --B--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 0, w, h );\n\t * --C--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 0, w, h );\n\t * --D--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 1, w, h );\n\t * --E--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 1, w, h );\n\t * --F--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 1, w, h );\n\t *\n\t * Note there is no reason monitors have to be the same size or in a grid.\n\t *\n\t * @param {number} fullWidth\n\t * @param {number} fullHeight\n\t * @param {number} x\n\t * @param {number} y\n\t * @param {number} width\n\t * @param {number} height\n\t */\n\tsetViewOffset( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\tthis.aspect = fullWidth / fullHeight;\n\n\t\tif ( this.view === null ) {\n\n\t\t\tthis.view = {\n\t\t\t\tenabled: true,\n\t\t\t\tfullWidth: 1,\n\t\t\t\tfullHeight: 1,\n\t\t\t\toffsetX: 0,\n\t\t\t\toffsetY: 0,\n\t\t\t\twidth: 1,\n\t\t\t\theight: 1\n\t\t\t};\n\n\t\t}\n\n\t\tthis.view.enabled = true;\n\t\tthis.view.fullWidth = fullWidth;\n\t\tthis.view.fullHeight = fullHeight;\n\t\tthis.view.offsetX = x;\n\t\tthis.view.offsetY = y;\n\t\tthis.view.width = width;\n\t\tthis.view.height = height;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tclearViewOffset() {\n\n\t\tif ( this.view !== null ) {\n\n\t\t\tthis.view.enabled = false;\n\n\t\t}\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tupdateProjectionMatrix() {\n\n\t\tconst near = this.near;\n\t\tlet top = near * Math.tan( DEG2RAD * 0.5 * this.fov ) / this.zoom;\n\t\tlet height = 2 * top;\n\t\tlet width = this.aspect * height;\n\t\tlet left = - 0.5 * width;\n\t\tconst view = this.view;\n\n\t\tif ( this.view !== null && this.view.enabled ) {\n\n\t\t\tconst fullWidth = view.fullWidth,\n\t\t\t\tfullHeight = view.fullHeight;\n\n\t\t\tleft += view.offsetX * width / fullWidth;\n\t\t\ttop -= view.offsetY * height / fullHeight;\n\t\t\twidth *= view.width / fullWidth;\n\t\t\theight *= view.height / fullHeight;\n\n\t\t}\n\n\t\tconst skew = this.filmOffset;\n\t\tif ( skew !== 0 ) left += near * skew / this.getFilmWidth();\n\n\t\tthis.projectionMatrix.makePerspective( left, left + width, top, top - height, near, this.far, this.coordinateSystem );\n\n\t\tthis.projectionMatrixInverse.copy( this.projectionMatrix ).invert();\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.fov = this.fov;\n\t\tdata.object.zoom = this.zoom;\n\n\t\tdata.object.near = this.near;\n\t\tdata.object.far = this.far;\n\t\tdata.object.focus = this.focus;\n\n\t\tdata.object.aspect = this.aspect;\n\n\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\tdata.object.filmGauge = this.filmGauge;\n\t\tdata.object.filmOffset = this.filmOffset;\n\n\t\treturn data;\n\n\t}\n\n}\n\nconst fov = - 90; // negative fov is not an error\nconst aspect = 1;\n\nclass CubeCamera extends Object3D {\n\n\tconstructor( near, far, renderTarget ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CubeCamera';\n\n\t\tthis.renderTarget = renderTarget;\n\t\tthis.coordinateSystem = null;\n\t\tthis.activeMipmapLevel = 0;\n\n\t\tconst cameraPX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPX.layers = this.layers;\n\t\tthis.add( cameraPX );\n\n\t\tconst cameraNX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNX.layers = this.layers;\n\t\tthis.add( cameraNX );\n\n\t\tconst cameraPY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPY.layers = this.layers;\n\t\tthis.add( cameraPY );\n\n\t\tconst cameraNY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNY.layers = this.layers;\n\t\tthis.add( cameraNY );\n\n\t\tconst cameraPZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPZ.layers = this.layers;\n\t\tthis.add( cameraPZ );\n\n\t\tconst cameraNZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNZ.layers = this.layers;\n\t\tthis.add( cameraNZ );\n\n\t}\n\n\tupdateCoordinateSystem() {\n\n\t\tconst coordinateSystem = this.coordinateSystem;\n\n\t\tconst cameras = this.children.concat();\n\n\t\tconst [ cameraPX, cameraNX, cameraPY, cameraNY, cameraPZ, cameraNZ ] = cameras;\n\n\t\tfor ( const camera of cameras ) this.remove( camera );\n\n\t\tif ( coordinateSystem === WebGLCoordinateSystem ) {\n\n\t\t\tcameraPX.up.set( 0, 1, 0 );\n\t\t\tcameraPX.lookAt( 1, 0, 0 );\n\n\t\t\tcameraNX.up.set( 0, 1, 0 );\n\t\t\tcameraNX.lookAt( - 1, 0, 0 );\n\n\t\t\tcameraPY.up.set( 0, 0, - 1 );\n\t\t\tcameraPY.lookAt( 0, 1, 0 );\n\n\t\t\tcameraNY.up.set( 0, 0, 1 );\n\t\t\tcameraNY.lookAt( 0, - 1, 0 );\n\n\t\t\tcameraPZ.up.set( 0, 1, 0 );\n\t\t\tcameraPZ.lookAt( 0, 0, 1 );\n\n\t\t\tcameraNZ.up.set( 0, 1, 0 );\n\t\t\tcameraNZ.lookAt( 0, 0, - 1 );\n\n\t\t} else if ( coordinateSystem === WebGPUCoordinateSystem ) {\n\n\t\t\tcameraPX.up.set( 0, - 1, 0 );\n\t\t\tcameraPX.lookAt( - 1, 0, 0 );\n\n\t\t\tcameraNX.up.set( 0, - 1, 0 );\n\t\t\tcameraNX.lookAt( 1, 0, 0 );\n\n\t\t\tcameraPY.up.set( 0, 0, 1 );\n\t\t\tcameraPY.lookAt( 0, 1, 0 );\n\n\t\t\tcameraNY.up.set( 0, 0, - 1 );\n\t\t\tcameraNY.lookAt( 0, - 1, 0 );\n\n\t\t\tcameraPZ.up.set( 0, - 1, 0 );\n\t\t\tcameraPZ.lookAt( 0, 0, 1 );\n\n\t\t\tcameraNZ.up.set( 0, - 1, 0 );\n\t\t\tcameraNZ.lookAt( 0, 0, - 1 );\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: ' + coordinateSystem );\n\n\t\t}\n\n\t\tfor ( const camera of cameras ) {\n\n\t\t\tthis.add( camera );\n\n\t\t\tcamera.updateMatrixWorld();\n\n\t\t}\n\n\t}\n\n\tupdate( renderer, scene ) {\n\n\t\tif ( this.parent === null ) this.updateMatrixWorld();\n\n\t\tconst { renderTarget, activeMipmapLevel } = this;\n\n\t\tif ( this.coordinateSystem !== renderer.coordinateSystem ) {\n\n\t\t\tthis.coordinateSystem = renderer.coordinateSystem;\n\n\t\t\tthis.updateCoordinateSystem();\n\n\t\t}\n\n\t\tconst [ cameraPX, cameraNX, cameraPY, cameraNY, cameraPZ, cameraNZ ] = this.children;\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\t\tconst currentActiveCubeFace = renderer.getActiveCubeFace();\n\t\tconst currentActiveMipmapLevel = renderer.getActiveMipmapLevel();\n\n\t\tconst currentXrEnabled = renderer.xr.enabled;\n\n\t\trenderer.xr.enabled = false;\n\n\t\tconst generateMipmaps = renderTarget.texture.generateMipmaps;\n\n\t\trenderTarget.texture.generateMipmaps = false;\n\n\t\trenderer.setRenderTarget( renderTarget, 0, activeMipmapLevel );\n\t\trenderer.render( scene, cameraPX );\n\n\t\trenderer.setRenderTarget( renderTarget, 1, activeMipmapLevel );\n\t\trenderer.render( scene, cameraNX );\n\n\t\trenderer.setRenderTarget( renderTarget, 2, activeMipmapLevel );\n\t\trenderer.render( scene, cameraPY );\n\n\t\trenderer.setRenderTarget( renderTarget, 3, activeMipmapLevel );\n\t\trenderer.render( scene, cameraNY );\n\n\t\trenderer.setRenderTarget( renderTarget, 4, activeMipmapLevel );\n\t\trenderer.render( scene, cameraPZ );\n\n\t\t// mipmaps are generated during the last call of render()\n\t\t// at this point, all sides of the cube render target are defined\n\n\t\trenderTarget.texture.generateMipmaps = generateMipmaps;\n\n\t\trenderer.setRenderTarget( renderTarget, 5, activeMipmapLevel );\n\t\trenderer.render( scene, cameraNZ );\n\n\t\trenderer.setRenderTarget( currentRenderTarget, currentActiveCubeFace, currentActiveMipmapLevel );\n\n\t\trenderer.xr.enabled = currentXrEnabled;\n\n\t\trenderTarget.texture.needsPMREMUpdate = true;\n\n\t}\n\n}\n\nclass CubeTexture extends Texture {\n\n\tconstructor( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace ) {\n\n\t\timages = images !== undefined ? images : [];\n\t\tmapping = mapping !== undefined ? mapping : CubeReflectionMapping;\n\n\t\tsuper( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace );\n\n\t\tthis.isCubeTexture = true;\n\n\t\tthis.flipY = false;\n\n\t}\n\n\tget images() {\n\n\t\treturn this.image;\n\n\t}\n\n\tset images( value ) {\n\n\t\tthis.image = value;\n\n\t}\n\n}\n\nclass WebGLCubeRenderTarget extends WebGLRenderTarget {\n\n\tconstructor( size = 1, options = {} ) {\n\n\t\tsuper( size, size, options );\n\n\t\tthis.isWebGLCubeRenderTarget = true;\n\n\t\tconst image = { width: size, height: size, depth: 1 };\n\t\tconst images = [ image, image, image, image, image, image ];\n\n\t\tthis.texture = new CubeTexture( images, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.colorSpace );\n\n\t\t// By convention -- likely based on the RenderMan spec from the 1990's -- cube maps are specified by WebGL (and three.js)\n\t\t// in a coordinate system in which positive-x is to the right when looking up the positive-z axis -- in other words,\n\t\t// in a left-handed coordinate system. By continuing this convention, preexisting cube maps continued to render correctly.\n\n\t\t// three.js uses a right-handed coordinate system. So environment maps used in three.js appear to have px and nx swapped\n\t\t// and the flag isRenderTargetTexture controls this conversion. The flip is not required when using WebGLCubeRenderTarget.texture\n\t\t// as a cube texture (this is detected when isRenderTargetTexture is set to true for cube textures).\n\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t\tthis.texture.generateMipmaps = options.generateMipmaps !== undefined ? options.generateMipmaps : false;\n\t\tthis.texture.minFilter = options.minFilter !== undefined ? options.minFilter : LinearFilter;\n\n\t}\n\n\tfromEquirectangularTexture( renderer, texture ) {\n\n\t\tthis.texture.type = texture.type;\n\t\tthis.texture.colorSpace = texture.colorSpace;\n\n\t\tthis.texture.generateMipmaps = texture.generateMipmaps;\n\t\tthis.texture.minFilter = texture.minFilter;\n\t\tthis.texture.magFilter = texture.magFilter;\n\n\t\tconst shader = {\n\n\t\t\tuniforms: {\n\t\t\t\ttEquirect: { value: null },\n\t\t\t},\n\n\t\t\tvertexShader: /* glsl */`\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include \n\t\t\t\t\t#include \n\n\t\t\t\t}\n\t\t\t`,\n\n\t\t\tfragmentShader: /* glsl */`\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include \n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t`\n\t\t};\n\n\t\tconst geometry = new BoxGeometry( 5, 5, 5 );\n\n\t\tconst material = new ShaderMaterial( {\n\n\t\t\tname: 'CubemapFromEquirect',\n\n\t\t\tuniforms: cloneUniforms( shader.uniforms ),\n\t\t\tvertexShader: shader.vertexShader,\n\t\t\tfragmentShader: shader.fragmentShader,\n\t\t\tside: BackSide,\n\t\t\tblending: NoBlending\n\n\t\t} );\n\n\t\tmaterial.uniforms.tEquirect.value = texture;\n\n\t\tconst mesh = new Mesh( geometry, material );\n\n\t\tconst currentMinFilter = texture.minFilter;\n\n\t\t// Avoid blurred poles\n\t\tif ( texture.minFilter === LinearMipmapLinearFilter ) texture.minFilter = LinearFilter;\n\n\t\tconst camera = new CubeCamera( 1, 10, this );\n\t\tcamera.update( renderer, mesh );\n\n\t\ttexture.minFilter = currentMinFilter;\n\n\t\tmesh.geometry.dispose();\n\t\tmesh.material.dispose();\n\n\t\treturn this;\n\n\t}\n\n\tclear( renderer, color, depth, stencil ) {\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\trenderer.setRenderTarget( this, i );\n\n\t\t\trenderer.clear( color, depth, stencil );\n\n\t\t}\n\n\t\trenderer.setRenderTarget( currentRenderTarget );\n\n\t}\n\n}\n\nclass Group extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isGroup = true;\n\n\t\tthis.type = 'Group';\n\n\t}\n\n}\n\nconst _moveEvent = { type: 'move' };\n\nclass WebXRController {\n\n\tconstructor() {\n\n\t\tthis._targetRay = null;\n\t\tthis._grip = null;\n\t\tthis._hand = null;\n\n\t}\n\n\tgetHandSpace() {\n\n\t\tif ( this._hand === null ) {\n\n\t\t\tthis._hand = new Group();\n\t\t\tthis._hand.matrixAutoUpdate = false;\n\t\t\tthis._hand.visible = false;\n\n\t\t\tthis._hand.joints = {};\n\t\t\tthis._hand.inputState = { pinching: false };\n\n\t\t}\n\n\t\treturn this._hand;\n\n\t}\n\n\tgetTargetRaySpace() {\n\n\t\tif ( this._targetRay === null ) {\n\n\t\t\tthis._targetRay = new Group();\n\t\t\tthis._targetRay.matrixAutoUpdate = false;\n\t\t\tthis._targetRay.visible = false;\n\t\t\tthis._targetRay.hasLinearVelocity = false;\n\t\t\tthis._targetRay.linearVelocity = new Vector3();\n\t\t\tthis._targetRay.hasAngularVelocity = false;\n\t\t\tthis._targetRay.angularVelocity = new Vector3();\n\n\t\t}\n\n\t\treturn this._targetRay;\n\n\t}\n\n\tgetGripSpace() {\n\n\t\tif ( this._grip === null ) {\n\n\t\t\tthis._grip = new Group();\n\t\t\tthis._grip.matrixAutoUpdate = false;\n\t\t\tthis._grip.visible = false;\n\t\t\tthis._grip.hasLinearVelocity = false;\n\t\t\tthis._grip.linearVelocity = new Vector3();\n\t\t\tthis._grip.hasAngularVelocity = false;\n\t\t\tthis._grip.angularVelocity = new Vector3();\n\n\t\t}\n\n\t\treturn this._grip;\n\n\t}\n\n\tdispatchEvent( event ) {\n\n\t\tif ( this._targetRay !== null ) {\n\n\t\t\tthis._targetRay.dispatchEvent( event );\n\n\t\t}\n\n\t\tif ( this._grip !== null ) {\n\n\t\t\tthis._grip.dispatchEvent( event );\n\n\t\t}\n\n\t\tif ( this._hand !== null ) {\n\n\t\t\tthis._hand.dispatchEvent( event );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tconnect( inputSource ) {\n\n\t\tif ( inputSource && inputSource.hand ) {\n\n\t\t\tconst hand = this._hand;\n\n\t\t\tif ( hand ) {\n\n\t\t\t\tfor ( const inputjoint of inputSource.hand.values() ) {\n\n\t\t\t\t\t// Initialize hand with joints when connected\n\t\t\t\t\tthis._getHandJoint( hand, inputjoint );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.dispatchEvent( { type: 'connected', data: inputSource } );\n\n\t\treturn this;\n\n\t}\n\n\tdisconnect( inputSource ) {\n\n\t\tthis.dispatchEvent( { type: 'disconnected', data: inputSource } );\n\n\t\tif ( this._targetRay !== null ) {\n\n\t\t\tthis._targetRay.visible = false;\n\n\t\t}\n\n\t\tif ( this._grip !== null ) {\n\n\t\t\tthis._grip.visible = false;\n\n\t\t}\n\n\t\tif ( this._hand !== null ) {\n\n\t\t\tthis._hand.visible = false;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tupdate( inputSource, frame, referenceSpace ) {\n\n\t\tlet inputPose = null;\n\t\tlet gripPose = null;\n\t\tlet handPose = null;\n\n\t\tconst targetRay = this._targetRay;\n\t\tconst grip = this._grip;\n\t\tconst hand = this._hand;\n\n\t\tif ( inputSource && frame.session.visibilityState !== 'visible-blurred' ) {\n\n\t\t\tif ( hand && inputSource.hand ) {\n\n\t\t\t\thandPose = true;\n\n\t\t\t\tfor ( const inputjoint of inputSource.hand.values() ) {\n\n\t\t\t\t\t// Update the joints groups with the XRJoint poses\n\t\t\t\t\tconst jointPose = frame.getJointPose( inputjoint, referenceSpace );\n\n\t\t\t\t\t// The transform of this joint will be updated with the joint pose on each frame\n\t\t\t\t\tconst joint = this._getHandJoint( hand, inputjoint );\n\n\t\t\t\t\tif ( jointPose !== null ) {\n\n\t\t\t\t\t\tjoint.matrix.fromArray( jointPose.transform.matrix );\n\t\t\t\t\t\tjoint.matrix.decompose( joint.position, joint.rotation, joint.scale );\n\t\t\t\t\t\tjoint.matrixWorldNeedsUpdate = true;\n\t\t\t\t\t\tjoint.jointRadius = jointPose.radius;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tjoint.visible = jointPose !== null;\n\n\t\t\t\t}\n\n\t\t\t\t// Custom events\n\n\t\t\t\t// Check pinchz\n\t\t\t\tconst indexTip = hand.joints[ 'index-finger-tip' ];\n\t\t\t\tconst thumbTip = hand.joints[ 'thumb-tip' ];\n\t\t\t\tconst distance = indexTip.position.distanceTo( thumbTip.position );\n\n\t\t\t\tconst distanceToPinch = 0.02;\n\t\t\t\tconst threshold = 0.005;\n\n\t\t\t\tif ( hand.inputState.pinching && distance > distanceToPinch + threshold ) {\n\n\t\t\t\t\thand.inputState.pinching = false;\n\t\t\t\t\tthis.dispatchEvent( {\n\t\t\t\t\t\ttype: 'pinchend',\n\t\t\t\t\t\thandedness: inputSource.handedness,\n\t\t\t\t\t\ttarget: this\n\t\t\t\t\t} );\n\n\t\t\t\t} else if ( ! hand.inputState.pinching && distance <= distanceToPinch - threshold ) {\n\n\t\t\t\t\thand.inputState.pinching = true;\n\t\t\t\t\tthis.dispatchEvent( {\n\t\t\t\t\t\ttype: 'pinchstart',\n\t\t\t\t\t\thandedness: inputSource.handedness,\n\t\t\t\t\t\ttarget: this\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( grip !== null && inputSource.gripSpace ) {\n\n\t\t\t\t\tgripPose = frame.getPose( inputSource.gripSpace, referenceSpace );\n\n\t\t\t\t\tif ( gripPose !== null ) {\n\n\t\t\t\t\t\tgrip.matrix.fromArray( gripPose.transform.matrix );\n\t\t\t\t\t\tgrip.matrix.decompose( grip.position, grip.rotation, grip.scale );\n\t\t\t\t\t\tgrip.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t\t\tif ( gripPose.linearVelocity ) {\n\n\t\t\t\t\t\t\tgrip.hasLinearVelocity = true;\n\t\t\t\t\t\t\tgrip.linearVelocity.copy( gripPose.linearVelocity );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgrip.hasLinearVelocity = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( gripPose.angularVelocity ) {\n\n\t\t\t\t\t\t\tgrip.hasAngularVelocity = true;\n\t\t\t\t\t\t\tgrip.angularVelocity.copy( gripPose.angularVelocity );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgrip.hasAngularVelocity = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( targetRay !== null ) {\n\n\t\t\t\tinputPose = frame.getPose( inputSource.targetRaySpace, referenceSpace );\n\n\t\t\t\t// Some runtimes (namely Vive Cosmos with Vive OpenXR Runtime) have only grip space and ray space is equal to it\n\t\t\t\tif ( inputPose === null && gripPose !== null ) {\n\n\t\t\t\t\tinputPose = gripPose;\n\n\t\t\t\t}\n\n\t\t\t\tif ( inputPose !== null ) {\n\n\t\t\t\t\ttargetRay.matrix.fromArray( inputPose.transform.matrix );\n\t\t\t\t\ttargetRay.matrix.decompose( targetRay.position, targetRay.rotation, targetRay.scale );\n\t\t\t\t\ttargetRay.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t\tif ( inputPose.linearVelocity ) {\n\n\t\t\t\t\t\ttargetRay.hasLinearVelocity = true;\n\t\t\t\t\t\ttargetRay.linearVelocity.copy( inputPose.linearVelocity );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttargetRay.hasLinearVelocity = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( inputPose.angularVelocity ) {\n\n\t\t\t\t\t\ttargetRay.hasAngularVelocity = true;\n\t\t\t\t\t\ttargetRay.angularVelocity.copy( inputPose.angularVelocity );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttargetRay.hasAngularVelocity = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.dispatchEvent( _moveEvent );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t}\n\n\t\tif ( targetRay !== null ) {\n\n\t\t\ttargetRay.visible = ( inputPose !== null );\n\n\t\t}\n\n\t\tif ( grip !== null ) {\n\n\t\t\tgrip.visible = ( gripPose !== null );\n\n\t\t}\n\n\t\tif ( hand !== null ) {\n\n\t\t\thand.visible = ( handPose !== null );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// private method\n\n\t_getHandJoint( hand, inputjoint ) {\n\n\t\tif ( hand.joints[ inputjoint.jointName ] === undefined ) {\n\n\t\t\tconst joint = new Group();\n\t\t\tjoint.matrixAutoUpdate = false;\n\t\t\tjoint.visible = false;\n\t\t\thand.joints[ inputjoint.jointName ] = joint;\n\n\t\t\thand.add( joint );\n\n\t\t}\n\n\t\treturn hand.joints[ inputjoint.jointName ];\n\n\t}\n\n}\n\nclass FogExp2 {\n\n\tconstructor( color, density = 0.00025 ) {\n\n\t\tthis.isFogExp2 = true;\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\t\tthis.density = density;\n\n\t}\n\n\tclone() {\n\n\t\treturn new FogExp2( this.color, this.density );\n\n\t}\n\n\ttoJSON( /* meta */ ) {\n\n\t\treturn {\n\t\t\ttype: 'FogExp2',\n\t\t\tname: this.name,\n\t\t\tcolor: this.color.getHex(),\n\t\t\tdensity: this.density\n\t\t};\n\n\t}\n\n}\n\nclass Fog {\n\n\tconstructor( color, near = 1, far = 1000 ) {\n\n\t\tthis.isFog = true;\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\n\t}\n\n\tclone() {\n\n\t\treturn new Fog( this.color, this.near, this.far );\n\n\t}\n\n\ttoJSON( /* meta */ ) {\n\n\t\treturn {\n\t\t\ttype: 'Fog',\n\t\t\tname: this.name,\n\t\t\tcolor: this.color.getHex(),\n\t\t\tnear: this.near,\n\t\t\tfar: this.far\n\t\t};\n\n\t}\n\n}\n\nclass Scene extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isScene = true;\n\n\t\tthis.type = 'Scene';\n\n\t\tthis.background = null;\n\t\tthis.environment = null;\n\t\tthis.fog = null;\n\n\t\tthis.backgroundBlurriness = 0;\n\t\tthis.backgroundIntensity = 1;\n\t\tthis.backgroundRotation = new Euler();\n\n\t\tthis.environmentIntensity = 1;\n\t\tthis.environmentRotation = new Euler();\n\n\t\tthis.overrideMaterial = null;\n\n\t\tif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t\t\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) );\n\n\t\t}\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tif ( source.background !== null ) this.background = source.background.clone();\n\t\tif ( source.environment !== null ) this.environment = source.environment.clone();\n\t\tif ( source.fog !== null ) this.fog = source.fog.clone();\n\n\t\tthis.backgroundBlurriness = source.backgroundBlurriness;\n\t\tthis.backgroundIntensity = source.backgroundIntensity;\n\t\tthis.backgroundRotation.copy( source.backgroundRotation );\n\n\t\tthis.environmentIntensity = source.environmentIntensity;\n\t\tthis.environmentRotation.copy( source.environmentRotation );\n\n\t\tif ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone();\n\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tif ( this.fog !== null ) data.object.fog = this.fog.toJSON();\n\n\t\tif ( this.backgroundBlurriness > 0 ) data.object.backgroundBlurriness = this.backgroundBlurriness;\n\t\tif ( this.backgroundIntensity !== 1 ) data.object.backgroundIntensity = this.backgroundIntensity;\n\t\tdata.object.backgroundRotation = this.backgroundRotation.toArray();\n\n\t\tif ( this.environmentIntensity !== 1 ) data.object.environmentIntensity = this.environmentIntensity;\n\t\tdata.object.environmentRotation = this.environmentRotation.toArray();\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass InterleavedBuffer {\n\n\tconstructor( array, stride ) {\n\n\t\tthis.isInterleavedBuffer = true;\n\n\t\tthis.array = array;\n\t\tthis.stride = stride;\n\t\tthis.count = array !== undefined ? array.length / stride : 0;\n\n\t\tthis.usage = StaticDrawUsage;\n\t\tthis.updateRanges = [];\n\n\t\tthis.version = 0;\n\n\t\tthis.uuid = generateUUID();\n\n\t}\n\n\tonUploadCallback() {}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tsetUsage( value ) {\n\n\t\tthis.usage = value;\n\n\t\treturn this;\n\n\t}\n\n\taddUpdateRange( start, count ) {\n\n\t\tthis.updateRanges.push( { start, count } );\n\n\t}\n\n\tclearUpdateRanges() {\n\n\t\tthis.updateRanges.length = 0;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.array = new source.array.constructor( source.array );\n\t\tthis.count = source.count;\n\t\tthis.stride = source.stride;\n\t\tthis.usage = source.usage;\n\n\t\treturn this;\n\n\t}\n\n\tcopyAt( index1, attribute, index2 ) {\n\n\t\tindex1 *= this.stride;\n\t\tindex2 *= attribute.stride;\n\n\t\tfor ( let i = 0, l = this.stride; i < l; i ++ ) {\n\n\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tset( value, offset = 0 ) {\n\n\t\tthis.array.set( value, offset );\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tif ( data.arrayBuffers === undefined ) {\n\n\t\t\tdata.arrayBuffers = {};\n\n\t\t}\n\n\t\tif ( this.array.buffer._uuid === undefined ) {\n\n\t\t\tthis.array.buffer._uuid = generateUUID();\n\n\t\t}\n\n\t\tif ( data.arrayBuffers[ this.array.buffer._uuid ] === undefined ) {\n\n\t\t\tdata.arrayBuffers[ this.array.buffer._uuid ] = this.array.slice( 0 ).buffer;\n\n\t\t}\n\n\t\tconst array = new this.array.constructor( data.arrayBuffers[ this.array.buffer._uuid ] );\n\n\t\tconst ib = new this.constructor( array, this.stride );\n\t\tib.setUsage( this.usage );\n\n\t\treturn ib;\n\n\t}\n\n\tonUpload( callback ) {\n\n\t\tthis.onUploadCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tif ( data.arrayBuffers === undefined ) {\n\n\t\t\tdata.arrayBuffers = {};\n\n\t\t}\n\n\t\t// generate UUID for array buffer if necessary\n\n\t\tif ( this.array.buffer._uuid === undefined ) {\n\n\t\t\tthis.array.buffer._uuid = generateUUID();\n\n\t\t}\n\n\t\tif ( data.arrayBuffers[ this.array.buffer._uuid ] === undefined ) {\n\n\t\t\tdata.arrayBuffers[ this.array.buffer._uuid ] = Array.from( new Uint32Array( this.array.buffer ) );\n\n\t\t}\n\n\t\t//\n\n\t\treturn {\n\t\t\tuuid: this.uuid,\n\t\t\tbuffer: this.array.buffer._uuid,\n\t\t\ttype: this.array.constructor.name,\n\t\t\tstride: this.stride\n\t\t};\n\n\t}\n\n}\n\nconst _vector$7 = /*@__PURE__*/ new Vector3();\n\nclass InterleavedBufferAttribute {\n\n\tconstructor( interleavedBuffer, itemSize, offset, normalized = false ) {\n\n\t\tthis.isInterleavedBufferAttribute = true;\n\n\t\tthis.name = '';\n\n\t\tthis.data = interleavedBuffer;\n\t\tthis.itemSize = itemSize;\n\t\tthis.offset = offset;\n\n\t\tthis.normalized = normalized;\n\n\t}\n\n\tget count() {\n\n\t\treturn this.data.count;\n\n\t}\n\n\tget array() {\n\n\t\treturn this.data.array;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tthis.data.needsUpdate = value;\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tfor ( let i = 0, l = this.data.count; i < l; i ++ ) {\n\n\t\t\t_vector$7.fromBufferAttribute( this, i );\n\n\t\t\t_vector$7.applyMatrix4( m );\n\n\t\t\tthis.setXYZ( i, _vector$7.x, _vector$7.y, _vector$7.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyNormalMatrix( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$7.fromBufferAttribute( this, i );\n\n\t\t\t_vector$7.applyNormalMatrix( m );\n\n\t\t\tthis.setXYZ( i, _vector$7.x, _vector$7.y, _vector$7.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttransformDirection( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$7.fromBufferAttribute( this, i );\n\n\t\t\t_vector$7.transformDirection( m );\n\n\t\t\tthis.setXYZ( i, _vector$7.x, _vector$7.y, _vector$7.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index, component ) {\n\n\t\tlet value = this.array[ index * this.data.stride + this.offset + component ];\n\n\t\tif ( this.normalized ) value = denormalize( value, this.array );\n\n\t\treturn value;\n\n\t}\n\n\tsetComponent( index, component, value ) {\n\n\t\tif ( this.normalized ) value = normalize( value, this.array );\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + component ] = value;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( index, x ) {\n\n\t\tif ( this.normalized ) x = normalize( x, this.array );\n\n\t\tthis.data.array[ index * this.data.stride + this.offset ] = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( index, y ) {\n\n\t\tif ( this.normalized ) y = normalize( y, this.array );\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetZ( index, z ) {\n\n\t\tif ( this.normalized ) z = normalize( z, this.array );\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetW( index, w ) {\n\n\t\tif ( this.normalized ) w = normalize( w, this.array );\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tgetX( index ) {\n\n\t\tlet x = this.data.array[ index * this.data.stride + this.offset ];\n\n\t\tif ( this.normalized ) x = denormalize( x, this.array );\n\n\t\treturn x;\n\n\t}\n\n\tgetY( index ) {\n\n\t\tlet y = this.data.array[ index * this.data.stride + this.offset + 1 ];\n\n\t\tif ( this.normalized ) y = denormalize( y, this.array );\n\n\t\treturn y;\n\n\t}\n\n\tgetZ( index ) {\n\n\t\tlet z = this.data.array[ index * this.data.stride + this.offset + 2 ];\n\n\t\tif ( this.normalized ) z = denormalize( z, this.array );\n\n\t\treturn z;\n\n\t}\n\n\tgetW( index ) {\n\n\t\tlet w = this.data.array[ index * this.data.stride + this.offset + 3 ];\n\n\t\tif ( this.normalized ) w = denormalize( w, this.array );\n\n\t\treturn w;\n\n\t}\n\n\tsetXY( index, x, y ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\n\t\t}\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZ( index, x, y, z ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\t\t\tz = normalize( z, this.array );\n\n\t\t}\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\t\tthis.data.array[ index + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZW( index, x, y, z, w ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\t\t\tz = normalize( z, this.array );\n\t\t\tw = normalize( w, this.array );\n\n\t\t}\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\t\tthis.data.array[ index + 2 ] = z;\n\t\tthis.data.array[ index + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tif ( data === undefined ) {\n\n\t\t\tconsole.log( 'THREE.InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will de-interleave buffer data.' );\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0; i < this.count; i ++ ) {\n\n\t\t\t\tconst index = i * this.data.stride + this.offset;\n\n\t\t\t\tfor ( let j = 0; j < this.itemSize; j ++ ) {\n\n\t\t\t\t\tarray.push( this.data.array[ index + j ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn new BufferAttribute( new this.array.constructor( array ), this.itemSize, this.normalized );\n\n\t\t} else {\n\n\t\t\tif ( data.interleavedBuffers === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers = {};\n\n\t\t\t}\n\n\t\t\tif ( data.interleavedBuffers[ this.data.uuid ] === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers[ this.data.uuid ] = this.data.clone( data );\n\n\t\t\t}\n\n\t\t\treturn new InterleavedBufferAttribute( data.interleavedBuffers[ this.data.uuid ], this.itemSize, this.offset, this.normalized );\n\n\t\t}\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tif ( data === undefined ) {\n\n\t\t\tconsole.log( 'THREE.InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will de-interleave buffer data.' );\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0; i < this.count; i ++ ) {\n\n\t\t\t\tconst index = i * this.data.stride + this.offset;\n\n\t\t\t\tfor ( let j = 0; j < this.itemSize; j ++ ) {\n\n\t\t\t\t\tarray.push( this.data.array[ index + j ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// de-interleave data and save it as an ordinary buffer attribute for now\n\n\t\t\treturn {\n\t\t\t\titemSize: this.itemSize,\n\t\t\t\ttype: this.array.constructor.name,\n\t\t\t\tarray: array,\n\t\t\t\tnormalized: this.normalized\n\t\t\t};\n\n\t\t} else {\n\n\t\t\t// save as true interleaved attribute\n\n\t\t\tif ( data.interleavedBuffers === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers = {};\n\n\t\t\t}\n\n\t\t\tif ( data.interleavedBuffers[ this.data.uuid ] === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers[ this.data.uuid ] = this.data.toJSON( data );\n\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\tisInterleavedBufferAttribute: true,\n\t\t\t\titemSize: this.itemSize,\n\t\t\t\tdata: this.data.uuid,\n\t\t\t\toffset: this.offset,\n\t\t\t\tnormalized: this.normalized\n\t\t\t};\n\n\t\t}\n\n\t}\n\n}\n\nclass SpriteMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isSpriteMaterial = true;\n\n\t\tthis.type = 'SpriteMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.rotation = 0;\n\n\t\tthis.sizeAttenuation = true;\n\n\t\tthis.transparent = true;\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.rotation = source.rotation;\n\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nlet _geometry;\n\nconst _intersectPoint = /*@__PURE__*/ new Vector3();\nconst _worldScale = /*@__PURE__*/ new Vector3();\nconst _mvPosition = /*@__PURE__*/ new Vector3();\n\nconst _alignedPosition = /*@__PURE__*/ new Vector2();\nconst _rotatedPosition = /*@__PURE__*/ new Vector2();\nconst _viewWorldMatrix = /*@__PURE__*/ new Matrix4();\n\nconst _vA = /*@__PURE__*/ new Vector3();\nconst _vB = /*@__PURE__*/ new Vector3();\nconst _vC = /*@__PURE__*/ new Vector3();\n\nconst _uvA = /*@__PURE__*/ new Vector2();\nconst _uvB = /*@__PURE__*/ new Vector2();\nconst _uvC = /*@__PURE__*/ new Vector2();\n\nclass Sprite extends Object3D {\n\n\tconstructor( material = new SpriteMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.isSprite = true;\n\n\t\tthis.type = 'Sprite';\n\n\t\tif ( _geometry === undefined ) {\n\n\t\t\t_geometry = new BufferGeometry();\n\n\t\t\tconst float32Array = new Float32Array( [\n\t\t\t\t- 0.5, - 0.5, 0, 0, 0,\n\t\t\t\t0.5, - 0.5, 0, 1, 0,\n\t\t\t\t0.5, 0.5, 0, 1, 1,\n\t\t\t\t- 0.5, 0.5, 0, 0, 1\n\t\t\t] );\n\n\t\t\tconst interleavedBuffer = new InterleavedBuffer( float32Array, 5 );\n\n\t\t\t_geometry.setIndex( [ 0, 1, 2,\t0, 2, 3 ] );\n\t\t\t_geometry.setAttribute( 'position', new InterleavedBufferAttribute( interleavedBuffer, 3, 0, false ) );\n\t\t\t_geometry.setAttribute( 'uv', new InterleavedBufferAttribute( interleavedBuffer, 2, 3, false ) );\n\n\t\t}\n\n\t\tthis.geometry = _geometry;\n\t\tthis.material = material;\n\n\t\tthis.center = new Vector2( 0.5, 0.5 );\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tif ( raycaster.camera === null ) {\n\n\t\t\tconsole.error( 'THREE.Sprite: \"Raycaster.camera\" needs to be set in order to raycast against sprites.' );\n\n\t\t}\n\n\t\t_worldScale.setFromMatrixScale( this.matrixWorld );\n\n\t\t_viewWorldMatrix.copy( raycaster.camera.matrixWorld );\n\t\tthis.modelViewMatrix.multiplyMatrices( raycaster.camera.matrixWorldInverse, this.matrixWorld );\n\n\t\t_mvPosition.setFromMatrixPosition( this.modelViewMatrix );\n\n\t\tif ( raycaster.camera.isPerspectiveCamera && this.material.sizeAttenuation === false ) {\n\n\t\t\t_worldScale.multiplyScalar( - _mvPosition.z );\n\n\t\t}\n\n\t\tconst rotation = this.material.rotation;\n\t\tlet sin, cos;\n\n\t\tif ( rotation !== 0 ) {\n\n\t\t\tcos = Math.cos( rotation );\n\t\t\tsin = Math.sin( rotation );\n\n\t\t}\n\n\t\tconst center = this.center;\n\n\t\ttransformVertex( _vA.set( - 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\ttransformVertex( _vB.set( 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\ttransformVertex( _vC.set( 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\n\t\t_uvA.set( 0, 0 );\n\t\t_uvB.set( 1, 0 );\n\t\t_uvC.set( 1, 1 );\n\n\t\t// check first triangle\n\t\tlet intersect = raycaster.ray.intersectTriangle( _vA, _vB, _vC, false, _intersectPoint );\n\n\t\tif ( intersect === null ) {\n\n\t\t\t// check second triangle\n\t\t\ttransformVertex( _vB.set( - 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\t\t_uvB.set( 0, 1 );\n\n\t\t\tintersect = raycaster.ray.intersectTriangle( _vA, _vC, _vB, false, _intersectPoint );\n\t\t\tif ( intersect === null ) {\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst distance = raycaster.ray.origin.distanceTo( _intersectPoint );\n\n\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\tintersects.push( {\n\n\t\t\tdistance: distance,\n\t\t\tpoint: _intersectPoint.clone(),\n\t\t\tuv: Triangle.getInterpolation( _intersectPoint, _vA, _vB, _vC, _uvA, _uvB, _uvC, new Vector2() ),\n\t\t\tface: null,\n\t\t\tobject: this\n\n\t\t} );\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tif ( source.center !== undefined ) this.center.copy( source.center );\n\n\t\tthis.material = source.material;\n\n\t\treturn this;\n\n\t}\n\n}\n\nfunction transformVertex( vertexPosition, mvPosition, center, scale, sin, cos ) {\n\n\t// compute position in camera space\n\t_alignedPosition.subVectors( vertexPosition, center ).addScalar( 0.5 ).multiply( scale );\n\n\t// to check if rotation is not zero\n\tif ( sin !== undefined ) {\n\n\t\t_rotatedPosition.x = ( cos * _alignedPosition.x ) - ( sin * _alignedPosition.y );\n\t\t_rotatedPosition.y = ( sin * _alignedPosition.x ) + ( cos * _alignedPosition.y );\n\n\t} else {\n\n\t\t_rotatedPosition.copy( _alignedPosition );\n\n\t}\n\n\n\tvertexPosition.copy( mvPosition );\n\tvertexPosition.x += _rotatedPosition.x;\n\tvertexPosition.y += _rotatedPosition.y;\n\n\t// transform to world space\n\tvertexPosition.applyMatrix4( _viewWorldMatrix );\n\n}\n\nconst _v1$2 = /*@__PURE__*/ new Vector3();\nconst _v2$1 = /*@__PURE__*/ new Vector3();\n\nclass LOD extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis._currentLevel = 0;\n\n\t\tthis.type = 'LOD';\n\n\t\tObject.defineProperties( this, {\n\t\t\tlevels: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: []\n\t\t\t},\n\t\t\tisLOD: {\n\t\t\t\tvalue: true,\n\t\t\t}\n\t\t} );\n\n\t\tthis.autoUpdate = true;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source, false );\n\n\t\tconst levels = source.levels;\n\n\t\tfor ( let i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\tconst level = levels[ i ];\n\n\t\t\tthis.addLevel( level.object.clone(), level.distance, level.hysteresis );\n\n\t\t}\n\n\t\tthis.autoUpdate = source.autoUpdate;\n\n\t\treturn this;\n\n\t}\n\n\taddLevel( object, distance = 0, hysteresis = 0 ) {\n\n\t\tdistance = Math.abs( distance );\n\n\t\tconst levels = this.levels;\n\n\t\tlet l;\n\n\t\tfor ( l = 0; l < levels.length; l ++ ) {\n\n\t\t\tif ( distance < levels[ l ].distance ) {\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tlevels.splice( l, 0, { distance: distance, hysteresis: hysteresis, object: object } );\n\n\t\tthis.add( object );\n\n\t\treturn this;\n\n\t}\n\n\tremoveLevel( distance ) {\n\n\t\tconst levels = this.levels;\n\n\t\tfor ( let i = 0; i < levels.length; i ++ ) {\n\n\t\t\tif ( levels[ i ].distance === distance ) {\n\n\t\t\t\tconst removedElements = levels.splice( i, 1 );\n\t\t\t\tthis.remove( removedElements[ 0 ].object );\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tgetCurrentLevel() {\n\n\t\treturn this._currentLevel;\n\n\t}\n\n\n\n\tgetObjectForDistance( distance ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 0 ) {\n\n\t\t\tlet i, l;\n\n\t\t\tfor ( i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tlet levelDistance = levels[ i ].distance;\n\n\t\t\t\tif ( levels[ i ].object.visible ) {\n\n\t\t\t\t\tlevelDistance -= levelDistance * levels[ i ].hysteresis;\n\n\t\t\t\t}\n\n\t\t\t\tif ( distance < levelDistance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn levels[ i - 1 ].object;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 0 ) {\n\n\t\t\t_v1$2.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\tconst distance = raycaster.ray.origin.distanceTo( _v1$2 );\n\n\t\t\tthis.getObjectForDistance( distance ).raycast( raycaster, intersects );\n\n\t\t}\n\n\t}\n\n\tupdate( camera ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 1 ) {\n\n\t\t\t_v1$2.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t_v2$1.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\tconst distance = _v1$2.distanceTo( _v2$1 ) / camera.zoom;\n\n\t\t\tlevels[ 0 ].object.visible = true;\n\n\t\t\tlet i, l;\n\n\t\t\tfor ( i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tlet levelDistance = levels[ i ].distance;\n\n\t\t\t\tif ( levels[ i ].object.visible ) {\n\n\t\t\t\t\tlevelDistance -= levelDistance * levels[ i ].hysteresis;\n\n\t\t\t\t}\n\n\t\t\t\tif ( distance >= levelDistance ) {\n\n\t\t\t\t\tlevels[ i - 1 ].object.visible = false;\n\t\t\t\t\tlevels[ i ].object.visible = true;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._currentLevel = i - 1;\n\n\t\t\tfor ( ; i < l; i ++ ) {\n\n\t\t\t\tlevels[ i ].object.visible = false;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tif ( this.autoUpdate === false ) data.object.autoUpdate = false;\n\n\t\tdata.object.levels = [];\n\n\t\tconst levels = this.levels;\n\n\t\tfor ( let i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\tconst level = levels[ i ];\n\n\t\t\tdata.object.levels.push( {\n\t\t\t\tobject: level.object.uuid,\n\t\t\t\tdistance: level.distance,\n\t\t\t\thysteresis: level.hysteresis\n\t\t\t} );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n}\n\nconst _basePosition = /*@__PURE__*/ new Vector3();\n\nconst _skinIndex = /*@__PURE__*/ new Vector4();\nconst _skinWeight = /*@__PURE__*/ new Vector4();\n\nconst _vector3 = /*@__PURE__*/ new Vector3();\nconst _matrix4 = /*@__PURE__*/ new Matrix4();\nconst _vertex = /*@__PURE__*/ new Vector3();\n\nconst _sphere$5 = /*@__PURE__*/ new Sphere();\nconst _inverseMatrix$2 = /*@__PURE__*/ new Matrix4();\nconst _ray$2 = /*@__PURE__*/ new Ray();\n\nclass SkinnedMesh extends Mesh {\n\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.isSkinnedMesh = true;\n\n\t\tthis.type = 'SkinnedMesh';\n\n\t\tthis.bindMode = AttachedBindMode;\n\t\tthis.bindMatrix = new Matrix4();\n\t\tthis.bindMatrixInverse = new Matrix4();\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t}\n\n\tcomputeBoundingBox() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( this.boundingBox === null ) {\n\n\t\t\tthis.boundingBox = new Box3();\n\n\t\t}\n\n\t\tthis.boundingBox.makeEmpty();\n\n\t\tconst positionAttribute = geometry.getAttribute( 'position' );\n\n\t\tfor ( let i = 0; i < positionAttribute.count; i ++ ) {\n\n\t\t\tthis.getVertexPosition( i, _vertex );\n\t\t\tthis.boundingBox.expandByPoint( _vertex );\n\n\t\t}\n\n\t}\n\n\tcomputeBoundingSphere() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( this.boundingSphere === null ) {\n\n\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t}\n\n\t\tthis.boundingSphere.makeEmpty();\n\n\t\tconst positionAttribute = geometry.getAttribute( 'position' );\n\n\t\tfor ( let i = 0; i < positionAttribute.count; i ++ ) {\n\n\t\t\tthis.getVertexPosition( i, _vertex );\n\t\t\tthis.boundingSphere.expandByPoint( _vertex );\n\n\t\t}\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.bindMode = source.bindMode;\n\t\tthis.bindMatrix.copy( source.bindMatrix );\n\t\tthis.bindMatrixInverse.copy( source.bindMatrixInverse );\n\n\t\tthis.skeleton = source.skeleton;\n\n\t\tif ( source.boundingBox !== null ) this.boundingBox = source.boundingBox.clone();\n\t\tif ( source.boundingSphere !== null ) this.boundingSphere = source.boundingSphere.clone();\n\n\t\treturn this;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst material = this.material;\n\t\tconst matrixWorld = this.matrixWorld;\n\n\t\tif ( material === undefined ) return;\n\n\t\t// test with bounding sphere in world space\n\n\t\tif ( this.boundingSphere === null ) this.computeBoundingSphere();\n\n\t\t_sphere$5.copy( this.boundingSphere );\n\t\t_sphere$5.applyMatrix4( matrixWorld );\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere$5 ) === false ) return;\n\n\t\t// convert ray to local space of skinned mesh\n\n\t\t_inverseMatrix$2.copy( matrixWorld ).invert();\n\t\t_ray$2.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$2 );\n\n\t\t// test with bounding box in local space\n\n\t\tif ( this.boundingBox !== null ) {\n\n\t\t\tif ( _ray$2.intersectsBox( this.boundingBox ) === false ) return;\n\n\t\t}\n\n\t\t// test for intersections with geometry\n\n\t\tthis._computeIntersections( raycaster, intersects, _ray$2 );\n\n\t}\n\n\tgetVertexPosition( index, target ) {\n\n\t\tsuper.getVertexPosition( index, target );\n\n\t\tthis.applyBoneTransform( index, target );\n\n\t\treturn target;\n\n\t}\n\n\tbind( skeleton, bindMatrix ) {\n\n\t\tthis.skeleton = skeleton;\n\n\t\tif ( bindMatrix === undefined ) {\n\n\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\tthis.skeleton.calculateInverses();\n\n\t\t\tbindMatrix = this.matrixWorld;\n\n\t\t}\n\n\t\tthis.bindMatrix.copy( bindMatrix );\n\t\tthis.bindMatrixInverse.copy( bindMatrix ).invert();\n\n\t}\n\n\tpose() {\n\n\t\tthis.skeleton.pose();\n\n\t}\n\n\tnormalizeSkinWeights() {\n\n\t\tconst vector = new Vector4();\n\n\t\tconst skinWeight = this.geometry.attributes.skinWeight;\n\n\t\tfor ( let i = 0, l = skinWeight.count; i < l; i ++ ) {\n\n\t\t\tvector.fromBufferAttribute( skinWeight, i );\n\n\t\t\tconst scale = 1.0 / vector.manhattanLength();\n\n\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\tvector.multiplyScalar( scale );\n\n\t\t\t} else {\n\n\t\t\t\tvector.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t}\n\n\t\t\tskinWeight.setXYZW( i, vector.x, vector.y, vector.z, vector.w );\n\n\t\t}\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tif ( this.bindMode === AttachedBindMode ) {\n\n\t\t\tthis.bindMatrixInverse.copy( this.matrixWorld ).invert();\n\n\t\t} else if ( this.bindMode === DetachedBindMode ) {\n\n\t\t\tthis.bindMatrixInverse.copy( this.bindMatrix ).invert();\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.SkinnedMesh: Unrecognized bindMode: ' + this.bindMode );\n\n\t\t}\n\n\t}\n\n\tapplyBoneTransform( index, vector ) {\n\n\t\tconst skeleton = this.skeleton;\n\t\tconst geometry = this.geometry;\n\n\t\t_skinIndex.fromBufferAttribute( geometry.attributes.skinIndex, index );\n\t\t_skinWeight.fromBufferAttribute( geometry.attributes.skinWeight, index );\n\n\t\t_basePosition.copy( vector ).applyMatrix4( this.bindMatrix );\n\n\t\tvector.set( 0, 0, 0 );\n\n\t\tfor ( let i = 0; i < 4; i ++ ) {\n\n\t\t\tconst weight = _skinWeight.getComponent( i );\n\n\t\t\tif ( weight !== 0 ) {\n\n\t\t\t\tconst boneIndex = _skinIndex.getComponent( i );\n\n\t\t\t\t_matrix4.multiplyMatrices( skeleton.bones[ boneIndex ].matrixWorld, skeleton.boneInverses[ boneIndex ] );\n\n\t\t\t\tvector.addScaledVector( _vector3.copy( _basePosition ).applyMatrix4( _matrix4 ), weight );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn vector.applyMatrix4( this.bindMatrixInverse );\n\n\t}\n\n}\n\nclass Bone extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isBone = true;\n\n\t\tthis.type = 'Bone';\n\n\t}\n\n}\n\nclass DataTexture extends Texture {\n\n\tconstructor( data = null, width = 1, height = 1, format, type, mapping, wrapS, wrapT, magFilter = NearestFilter, minFilter = NearestFilter, anisotropy, colorSpace ) {\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace );\n\n\t\tthis.isDataTexture = true;\n\n\t\tthis.image = { data: data, width: width, height: height };\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t}\n\n}\n\nconst _offsetMatrix = /*@__PURE__*/ new Matrix4();\nconst _identityMatrix = /*@__PURE__*/ new Matrix4();\n\nclass Skeleton {\n\n\tconstructor( bones = [], boneInverses = [] ) {\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.bones = bones.slice( 0 );\n\t\tthis.boneInverses = boneInverses;\n\t\tthis.boneMatrices = null;\n\n\t\tthis.boneTexture = null;\n\n\t\tthis.init();\n\n\t}\n\n\tinit() {\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\n\t\tthis.boneMatrices = new Float32Array( bones.length * 16 );\n\n\t\t// calculate inverse bone matrices if necessary\n\n\t\tif ( boneInverses.length === 0 ) {\n\n\t\t\tthis.calculateInverses();\n\n\t\t} else {\n\n\t\t\t// handle special case\n\n\t\t\tif ( bones.length !== boneInverses.length ) {\n\n\t\t\t\tconsole.warn( 'THREE.Skeleton: Number of inverse bone matrices does not match amount of bones.' );\n\n\t\t\t\tthis.boneInverses = [];\n\n\t\t\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\t\t\tthis.boneInverses.push( new Matrix4() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcalculateInverses() {\n\n\t\tthis.boneInverses.length = 0;\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst inverse = new Matrix4();\n\n\t\t\tif ( this.bones[ i ] ) {\n\n\t\t\t\tinverse.copy( this.bones[ i ].matrixWorld ).invert();\n\n\t\t\t}\n\n\t\t\tthis.boneInverses.push( inverse );\n\n\t\t}\n\n\t}\n\n\tpose() {\n\n\t\t// recover the bind-time world matrices\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone ) {\n\n\t\t\t\tbone.matrixWorld.copy( this.boneInverses[ i ] ).invert();\n\n\t\t\t}\n\n\t\t}\n\n\t\t// compute the local matrices, positions, rotations and scales\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone ) {\n\n\t\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\t\tbone.matrix.copy( bone.parent.matrixWorld ).invert();\n\t\t\t\t\tbone.matrix.multiply( bone.matrixWorld );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbone.matrix.copy( bone.matrixWorld );\n\n\t\t\t\t}\n\n\t\t\t\tbone.matrix.decompose( bone.position, bone.quaternion, bone.scale );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tupdate() {\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\t\tconst boneMatrices = this.boneMatrices;\n\t\tconst boneTexture = this.boneTexture;\n\n\t\t// flatten bone matrices to array\n\n\t\tfor ( let i = 0, il = bones.length; i < il; i ++ ) {\n\n\t\t\t// compute the offset between the current and the original transform\n\n\t\t\tconst matrix = bones[ i ] ? bones[ i ].matrixWorld : _identityMatrix;\n\n\t\t\t_offsetMatrix.multiplyMatrices( matrix, boneInverses[ i ] );\n\t\t\t_offsetMatrix.toArray( boneMatrices, i * 16 );\n\n\t\t}\n\n\t\tif ( boneTexture !== null ) {\n\n\t\t\tboneTexture.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new Skeleton( this.bones, this.boneInverses );\n\n\t}\n\n\tcomputeBoneTexture() {\n\n\t\t// layout (1 matrix = 4 pixels)\n\t\t// RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4)\n\t\t// with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8)\n\t\t// 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16)\n\t\t// 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32)\n\t\t// 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64)\n\n\t\tlet size = Math.sqrt( this.bones.length * 4 ); // 4 pixels needed for 1 matrix\n\t\tsize = Math.ceil( size / 4 ) * 4;\n\t\tsize = Math.max( size, 4 );\n\n\t\tconst boneMatrices = new Float32Array( size * size * 4 ); // 4 floats per RGBA pixel\n\t\tboneMatrices.set( this.boneMatrices ); // copy current values\n\n\t\tconst boneTexture = new DataTexture( boneMatrices, size, size, RGBAFormat, FloatType );\n\t\tboneTexture.needsUpdate = true;\n\n\t\tthis.boneMatrices = boneMatrices;\n\t\tthis.boneTexture = boneTexture;\n\n\t\treturn this;\n\n\t}\n\n\tgetBoneByName( name ) {\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone.name === name ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn undefined;\n\n\t}\n\n\tdispose( ) {\n\n\t\tif ( this.boneTexture !== null ) {\n\n\t\t\tthis.boneTexture.dispose();\n\n\t\t\tthis.boneTexture = null;\n\n\t\t}\n\n\t}\n\n\tfromJSON( json, bones ) {\n\n\t\tthis.uuid = json.uuid;\n\n\t\tfor ( let i = 0, l = json.bones.length; i < l; i ++ ) {\n\n\t\t\tconst uuid = json.bones[ i ];\n\t\t\tlet bone = bones[ uuid ];\n\n\t\t\tif ( bone === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Skeleton: No bone found with UUID:', uuid );\n\t\t\t\tbone = new Bone();\n\n\t\t\t}\n\n\t\t\tthis.bones.push( bone );\n\t\t\tthis.boneInverses.push( new Matrix4().fromArray( json.boneInverses[ i ] ) );\n\n\t\t}\n\n\t\tthis.init();\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.6,\n\t\t\t\ttype: 'Skeleton',\n\t\t\t\tgenerator: 'Skeleton.toJSON'\n\t\t\t},\n\t\t\tbones: [],\n\t\t\tboneInverses: []\n\t\t};\n\n\t\tdata.uuid = this.uuid;\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\n\t\tfor ( let i = 0, l = bones.length; i < l; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\t\t\tdata.bones.push( bone.uuid );\n\n\t\t\tconst boneInverse = boneInverses[ i ];\n\t\t\tdata.boneInverses.push( boneInverse.toArray() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass InstancedBufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized, meshPerAttribute = 1 ) {\n\n\t\tsuper( array, itemSize, normalized );\n\n\t\tthis.isInstancedBufferAttribute = true;\n\n\t\tthis.meshPerAttribute = meshPerAttribute;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.meshPerAttribute = this.meshPerAttribute;\n\n\t\tdata.isInstancedBufferAttribute = true;\n\n\t\treturn data;\n\n\t}\n\n}\n\nconst _instanceLocalMatrix = /*@__PURE__*/ new Matrix4();\nconst _instanceWorldMatrix = /*@__PURE__*/ new Matrix4();\n\nconst _instanceIntersects = [];\n\nconst _box3 = /*@__PURE__*/ new Box3();\nconst _identity = /*@__PURE__*/ new Matrix4();\nconst _mesh$1 = /*@__PURE__*/ new Mesh();\nconst _sphere$4 = /*@__PURE__*/ new Sphere();\n\nclass InstancedMesh extends Mesh {\n\n\tconstructor( geometry, material, count ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.isInstancedMesh = true;\n\n\t\tthis.instanceMatrix = new InstancedBufferAttribute( new Float32Array( count * 16 ), 16 );\n\t\tthis.instanceColor = null;\n\t\tthis.morphTexture = null;\n\n\t\tthis.count = count;\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tthis.setMatrixAt( i, _identity );\n\n\t\t}\n\n\t}\n\n\tcomputeBoundingBox() {\n\n\t\tconst geometry = this.geometry;\n\t\tconst count = this.count;\n\n\t\tif ( this.boundingBox === null ) {\n\n\t\t\tthis.boundingBox = new Box3();\n\n\t\t}\n\n\t\tif ( geometry.boundingBox === null ) {\n\n\t\t\tgeometry.computeBoundingBox();\n\n\t\t}\n\n\t\tthis.boundingBox.makeEmpty();\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tthis.getMatrixAt( i, _instanceLocalMatrix );\n\n\t\t\t_box3.copy( geometry.boundingBox ).applyMatrix4( _instanceLocalMatrix );\n\n\t\t\tthis.boundingBox.union( _box3 );\n\n\t\t}\n\n\t}\n\n\tcomputeBoundingSphere() {\n\n\t\tconst geometry = this.geometry;\n\t\tconst count = this.count;\n\n\t\tif ( this.boundingSphere === null ) {\n\n\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t}\n\n\t\tif ( geometry.boundingSphere === null ) {\n\n\t\t\tgeometry.computeBoundingSphere();\n\n\t\t}\n\n\t\tthis.boundingSphere.makeEmpty();\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tthis.getMatrixAt( i, _instanceLocalMatrix );\n\n\t\t\t_sphere$4.copy( geometry.boundingSphere ).applyMatrix4( _instanceLocalMatrix );\n\n\t\t\tthis.boundingSphere.union( _sphere$4 );\n\n\t\t}\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.instanceMatrix.copy( source.instanceMatrix );\n\n\t\tif ( source.morphTexture !== null ) this.morphTexture = source.morphTexture.clone();\n\t\tif ( source.instanceColor !== null ) this.instanceColor = source.instanceColor.clone();\n\n\t\tthis.count = source.count;\n\n\t\tif ( source.boundingBox !== null ) this.boundingBox = source.boundingBox.clone();\n\t\tif ( source.boundingSphere !== null ) this.boundingSphere = source.boundingSphere.clone();\n\n\t\treturn this;\n\n\t}\n\n\tgetColorAt( index, color ) {\n\n\t\tcolor.fromArray( this.instanceColor.array, index * 3 );\n\n\t}\n\n\tgetMatrixAt( index, matrix ) {\n\n\t\tmatrix.fromArray( this.instanceMatrix.array, index * 16 );\n\n\t}\n\n\tgetMorphAt( index, object ) {\n\n\t\tconst objectInfluences = object.morphTargetInfluences;\n\n\t\tconst array = this.morphTexture.source.data.data;\n\n\t\tconst len = objectInfluences.length + 1; // All influences + the baseInfluenceSum\n\n\t\tconst dataIndex = index * len + 1; // Skip the baseInfluenceSum at the beginning\n\n\t\tfor ( let i = 0; i < objectInfluences.length; i ++ ) {\n\n\t\t\tobjectInfluences[ i ] = array[ dataIndex + i ];\n\n\t\t}\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst raycastTimes = this.count;\n\n\t\t_mesh$1.geometry = this.geometry;\n\t\t_mesh$1.material = this.material;\n\n\t\tif ( _mesh$1.material === undefined ) return;\n\n\t\t// test with bounding sphere first\n\n\t\tif ( this.boundingSphere === null ) this.computeBoundingSphere();\n\n\t\t_sphere$4.copy( this.boundingSphere );\n\t\t_sphere$4.applyMatrix4( matrixWorld );\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere$4 ) === false ) return;\n\n\t\t// now test each instance\n\n\t\tfor ( let instanceId = 0; instanceId < raycastTimes; instanceId ++ ) {\n\n\t\t\t// calculate the world matrix for each instance\n\n\t\t\tthis.getMatrixAt( instanceId, _instanceLocalMatrix );\n\n\t\t\t_instanceWorldMatrix.multiplyMatrices( matrixWorld, _instanceLocalMatrix );\n\n\t\t\t// the mesh represents this single instance\n\n\t\t\t_mesh$1.matrixWorld = _instanceWorldMatrix;\n\n\t\t\t_mesh$1.raycast( raycaster, _instanceIntersects );\n\n\t\t\t// process the result of raycast\n\n\t\t\tfor ( let i = 0, l = _instanceIntersects.length; i < l; i ++ ) {\n\n\t\t\t\tconst intersect = _instanceIntersects[ i ];\n\t\t\t\tintersect.instanceId = instanceId;\n\t\t\t\tintersect.object = this;\n\t\t\t\tintersects.push( intersect );\n\n\t\t\t}\n\n\t\t\t_instanceIntersects.length = 0;\n\n\t\t}\n\n\t}\n\n\tsetColorAt( index, color ) {\n\n\t\tif ( this.instanceColor === null ) {\n\n\t\t\tthis.instanceColor = new InstancedBufferAttribute( new Float32Array( this.instanceMatrix.count * 3 ).fill( 1 ), 3 );\n\n\t\t}\n\n\t\tcolor.toArray( this.instanceColor.array, index * 3 );\n\n\t}\n\n\tsetMatrixAt( index, matrix ) {\n\n\t\tmatrix.toArray( this.instanceMatrix.array, index * 16 );\n\n\t}\n\n\tsetMorphAt( index, object ) {\n\n\t\tconst objectInfluences = object.morphTargetInfluences;\n\n\t\tconst len = objectInfluences.length + 1; // morphBaseInfluence + all influences\n\n\t\tif ( this.morphTexture === null ) {\n\n\t\t\tthis.morphTexture = new DataTexture( new Float32Array( len * this.count ), len, this.count, RedFormat, FloatType );\n\n\t\t}\n\n\t\tconst array = this.morphTexture.source.data.data;\n\n\t\tlet morphInfluencesSum = 0;\n\n\t\tfor ( let i = 0; i < objectInfluences.length; i ++ ) {\n\n\t\t\tmorphInfluencesSum += objectInfluences[ i ];\n\n\t\t}\n\n\t\tconst morphBaseInfluence = this.geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum;\n\n\t\tconst dataIndex = len * index;\n\n\t\tarray[ dataIndex ] = morphBaseInfluence;\n\n\t\tarray.set( objectInfluences, dataIndex + 1 );\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\tif ( this.morphTexture !== null ) {\n\n\t\t\tthis.morphTexture.dispose();\n\t\t\tthis.morphTexture = null;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _vector1 = /*@__PURE__*/ new Vector3();\nconst _vector2 = /*@__PURE__*/ new Vector3();\nconst _normalMatrix = /*@__PURE__*/ new Matrix3();\n\nclass Plane {\n\n\tconstructor( normal = new Vector3( 1, 0, 0 ), constant = 0 ) {\n\n\t\tthis.isPlane = true;\n\n\t\t// normal is assumed to be normalized\n\n\t\tthis.normal = normal;\n\t\tthis.constant = constant;\n\n\t}\n\n\tset( normal, constant ) {\n\n\t\tthis.normal.copy( normal );\n\t\tthis.constant = constant;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponents( x, y, z, w ) {\n\n\t\tthis.normal.set( x, y, z );\n\t\tthis.constant = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromNormalAndCoplanarPoint( normal, point ) {\n\n\t\tthis.normal.copy( normal );\n\t\tthis.constant = - point.dot( this.normal );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCoplanarPoints( a, b, c ) {\n\n\t\tconst normal = _vector1.subVectors( c, b ).cross( _vector2.subVectors( a, b ) ).normalize();\n\n\t\t// Q: should an error be thrown if normal is zero (e.g. degenerate plane)?\n\n\t\tthis.setFromNormalAndCoplanarPoint( normal, a );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( plane ) {\n\n\t\tthis.normal.copy( plane.normal );\n\t\tthis.constant = plane.constant;\n\n\t\treturn this;\n\n\t}\n\n\tnormalize() {\n\n\t\t// Note: will lead to a divide by zero if the plane is invalid.\n\n\t\tconst inverseNormalLength = 1.0 / this.normal.length();\n\t\tthis.normal.multiplyScalar( inverseNormalLength );\n\t\tthis.constant *= inverseNormalLength;\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.constant *= - 1;\n\t\tthis.normal.negate();\n\n\t\treturn this;\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn this.normal.dot( point ) + this.constant;\n\n\t}\n\n\tdistanceToSphere( sphere ) {\n\n\t\treturn this.distanceToPoint( sphere.center ) - sphere.radius;\n\n\t}\n\n\tprojectPoint( point, target ) {\n\n\t\treturn target.copy( point ).addScaledVector( this.normal, - this.distanceToPoint( point ) );\n\n\t}\n\n\tintersectLine( line, target ) {\n\n\t\tconst direction = line.delta( _vector1 );\n\n\t\tconst denominator = this.normal.dot( direction );\n\n\t\tif ( denominator === 0 ) {\n\n\t\t\t// line is coplanar, return origin\n\t\t\tif ( this.distanceToPoint( line.start ) === 0 ) {\n\n\t\t\t\treturn target.copy( line.start );\n\n\t\t\t}\n\n\t\t\t// Unsure if this is the correct method to handle this case.\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst t = - ( line.start.dot( this.normal ) + this.constant ) / denominator;\n\n\t\tif ( t < 0 || t > 1 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\treturn target.copy( line.start ).addScaledVector( direction, t );\n\n\t}\n\n\tintersectsLine( line ) {\n\n\t\t// Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it.\n\n\t\tconst startSign = this.distanceToPoint( line.start );\n\t\tconst endSign = this.distanceToPoint( line.end );\n\n\t\treturn ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsPlane( this );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\treturn sphere.intersectsPlane( this );\n\n\t}\n\n\tcoplanarPoint( target ) {\n\n\t\treturn target.copy( this.normal ).multiplyScalar( - this.constant );\n\n\t}\n\n\tapplyMatrix4( matrix, optionalNormalMatrix ) {\n\n\t\tconst normalMatrix = optionalNormalMatrix || _normalMatrix.getNormalMatrix( matrix );\n\n\t\tconst referencePoint = this.coplanarPoint( _vector1 ).applyMatrix4( matrix );\n\n\t\tconst normal = this.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\tthis.constant = - referencePoint.dot( normal );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.constant -= offset.dot( this.normal );\n\n\t\treturn this;\n\n\t}\n\n\tequals( plane ) {\n\n\t\treturn plane.normal.equals( this.normal ) && ( plane.constant === this.constant );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _sphere$3 = /*@__PURE__*/ new Sphere();\nconst _vector$6 = /*@__PURE__*/ new Vector3();\n\nclass Frustum {\n\n\tconstructor( p0 = new Plane(), p1 = new Plane(), p2 = new Plane(), p3 = new Plane(), p4 = new Plane(), p5 = new Plane() ) {\n\n\t\tthis.planes = [ p0, p1, p2, p3, p4, p5 ];\n\n\t}\n\n\tset( p0, p1, p2, p3, p4, p5 ) {\n\n\t\tconst planes = this.planes;\n\n\t\tplanes[ 0 ].copy( p0 );\n\t\tplanes[ 1 ].copy( p1 );\n\t\tplanes[ 2 ].copy( p2 );\n\t\tplanes[ 3 ].copy( p3 );\n\t\tplanes[ 4 ].copy( p4 );\n\t\tplanes[ 5 ].copy( p5 );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( frustum ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tplanes[ i ].copy( frustum.planes[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromProjectionMatrix( m, coordinateSystem = WebGLCoordinateSystem ) {\n\n\t\tconst planes = this.planes;\n\t\tconst me = m.elements;\n\t\tconst me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ];\n\t\tconst me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ];\n\t\tconst me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ];\n\t\tconst me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ];\n\n\t\tplanes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize();\n\t\tplanes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize();\n\t\tplanes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize();\n\t\tplanes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize();\n\t\tplanes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize();\n\n\t\tif ( coordinateSystem === WebGLCoordinateSystem ) {\n\n\t\t\tplanes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize();\n\n\t\t} else if ( coordinateSystem === WebGPUCoordinateSystem ) {\n\n\t\t\tplanes[ 5 ].setComponents( me2, me6, me10, me14 ).normalize();\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: ' + coordinateSystem );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tintersectsObject( object ) {\n\n\t\tif ( object.boundingSphere !== undefined ) {\n\n\t\t\tif ( object.boundingSphere === null ) object.computeBoundingSphere();\n\n\t\t\t_sphere$3.copy( object.boundingSphere ).applyMatrix4( object.matrixWorld );\n\n\t\t} else {\n\n\t\t\tconst geometry = object.geometry;\n\n\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t_sphere$3.copy( geometry.boundingSphere ).applyMatrix4( object.matrixWorld );\n\n\t\t}\n\n\t\treturn this.intersectsSphere( _sphere$3 );\n\n\t}\n\n\tintersectsSprite( sprite ) {\n\n\t\t_sphere$3.center.set( 0, 0, 0 );\n\t\t_sphere$3.radius = 0.7071067811865476;\n\t\t_sphere$3.applyMatrix4( sprite.matrixWorld );\n\n\t\treturn this.intersectsSphere( _sphere$3 );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\tconst planes = this.planes;\n\t\tconst center = sphere.center;\n\t\tconst negRadius = - sphere.radius;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst distance = planes[ i ].distanceToPoint( center );\n\n\t\t\tif ( distance < negRadius ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst plane = planes[ i ];\n\n\t\t\t// corner at max distance\n\n\t\t\t_vector$6.x = plane.normal.x > 0 ? box.max.x : box.min.x;\n\t\t\t_vector$6.y = plane.normal.y > 0 ? box.max.y : box.min.y;\n\t\t\t_vector$6.z = plane.normal.z > 0 ? box.max.z : box.min.z;\n\n\t\t\tif ( plane.distanceToPoint( _vector$6 ) < 0 ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tif ( planes[ i ].distanceToPoint( point ) < 0 ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nfunction ascIdSort( a, b ) {\n\n\treturn a - b;\n\n}\n\nfunction sortOpaque( a, b ) {\n\n\treturn a.z - b.z;\n\n}\n\nfunction sortTransparent( a, b ) {\n\n\treturn b.z - a.z;\n\n}\n\nclass MultiDrawRenderList {\n\n\tconstructor() {\n\n\t\tthis.index = 0;\n\t\tthis.pool = [];\n\t\tthis.list = [];\n\n\t}\n\n\tpush( start, count, z, index ) {\n\n\t\tconst pool = this.pool;\n\t\tconst list = this.list;\n\t\tif ( this.index >= pool.length ) {\n\n\t\t\tpool.push( {\n\n\t\t\t\tstart: - 1,\n\t\t\t\tcount: - 1,\n\t\t\t\tz: - 1,\n\t\t\t\tindex: - 1,\n\n\t\t\t} );\n\n\t\t}\n\n\t\tconst item = pool[ this.index ];\n\t\tlist.push( item );\n\t\tthis.index ++;\n\n\t\titem.start = start;\n\t\titem.count = count;\n\t\titem.z = z;\n\t\titem.index = index;\n\n\t}\n\n\treset() {\n\n\t\tthis.list.length = 0;\n\t\tthis.index = 0;\n\n\t}\n\n}\n\nconst _matrix$1 = /*@__PURE__*/ new Matrix4();\nconst _whiteColor = /*@__PURE__*/ new Color( 1, 1, 1 );\nconst _frustum = /*@__PURE__*/ new Frustum();\nconst _box$1 = /*@__PURE__*/ new Box3();\nconst _sphere$2 = /*@__PURE__*/ new Sphere();\nconst _vector$5 = /*@__PURE__*/ new Vector3();\nconst _forward = /*@__PURE__*/ new Vector3();\nconst _temp = /*@__PURE__*/ new Vector3();\nconst _renderList = /*@__PURE__*/ new MultiDrawRenderList();\nconst _mesh = /*@__PURE__*/ new Mesh();\nconst _batchIntersects = [];\n\n// copies data from attribute \"src\" into \"target\" starting at \"targetOffset\"\nfunction copyAttributeData( src, target, targetOffset = 0 ) {\n\n\tconst itemSize = target.itemSize;\n\tif ( src.isInterleavedBufferAttribute || src.array.constructor !== target.array.constructor ) {\n\n\t\t// use the component getters and setters if the array data cannot\n\t\t// be copied directly\n\t\tconst vertexCount = src.count;\n\t\tfor ( let i = 0; i < vertexCount; i ++ ) {\n\n\t\t\tfor ( let c = 0; c < itemSize; c ++ ) {\n\n\t\t\t\ttarget.setComponent( i + targetOffset, c, src.getComponent( i, c ) );\n\n\t\t\t}\n\n\t\t}\n\n\t} else {\n\n\t\t// faster copy approach using typed array set function\n\t\ttarget.array.set( src.array, targetOffset * itemSize );\n\n\t}\n\n\ttarget.needsUpdate = true;\n\n}\n\n// safely copies array contents to a potentially smaller array\nfunction copyArrayContents( src, target ) {\n\n\tif ( src.constructor !== target.constructor ) {\n\n\t\t// if arrays are of a different type (eg due to index size increasing) then data must be per-element copied\n\t\tconst len = Math.min( src.length, target.length );\n\t\tfor ( let i = 0; i < len; i ++ ) {\n\n\t\t\ttarget[ i ] = src[ i ];\n\n\t\t}\n\n\t} else {\n\n\t\t// if the arrays use the same data layout we can use a fast block copy\n\t\tconst len = Math.min( src.length, target.length );\n\t\ttarget.set( new src.constructor( src.buffer, 0, len ) );\n\n\t}\n\n}\n\nclass BatchedMesh extends Mesh {\n\n\tget maxInstanceCount() {\n\n\t\treturn this._maxInstanceCount;\n\n\t}\n\n\tget instanceCount() {\n\n\t\treturn this._instanceInfo.length - this._availableInstanceIds.length;\n\n\t}\n\n\tget unusedVertexCount() {\n\n\t\treturn this._maxVertexCount - this._nextVertexStart;\n\n\t}\n\n\tget unusedIndexCount() {\n\n\t\treturn this._maxIndexCount - this._nextIndexStart;\n\n\t}\n\n\tconstructor( maxInstanceCount, maxVertexCount, maxIndexCount = maxVertexCount * 2, material ) {\n\n\t\tsuper( new BufferGeometry(), material );\n\n\t\tthis.isBatchedMesh = true;\n\t\tthis.perObjectFrustumCulled = true;\n\t\tthis.sortObjects = true;\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\t\tthis.customSort = null;\n\n\t\t// stores visible, active, and geometry id per instance and reserved buffer ranges for geometries\n\t\tthis._instanceInfo = [];\n\t\tthis._geometryInfo = [];\n\n\t\t// instance, geometry ids that have been set as inactive, and are available to be overwritten\n\t\tthis._availableInstanceIds = [];\n\t\tthis._availableGeometryIds = [];\n\n\t\t// used to track where the next point is that geometry should be inserted\n\t\tthis._nextIndexStart = 0;\n\t\tthis._nextVertexStart = 0;\n\t\tthis._geometryCount = 0;\n\n\t\t// flags\n\t\tthis._visibilityChanged = true;\n\t\tthis._geometryInitialized = false;\n\n\t\t// cached user options\n\t\tthis._maxInstanceCount = maxInstanceCount;\n\t\tthis._maxVertexCount = maxVertexCount;\n\t\tthis._maxIndexCount = maxIndexCount;\n\n\t\t// buffers for multi draw\n\t\tthis._multiDrawCounts = new Int32Array( maxInstanceCount );\n\t\tthis._multiDrawStarts = new Int32Array( maxInstanceCount );\n\t\tthis._multiDrawCount = 0;\n\t\tthis._multiDrawInstances = null;\n\n\t\t// Local matrix per geometry by using data texture\n\t\tthis._matricesTexture = null;\n\t\tthis._indirectTexture = null;\n\t\tthis._colorsTexture = null;\n\n\t\tthis._initMatricesTexture();\n\t\tthis._initIndirectTexture();\n\n\t}\n\n\t_initMatricesTexture() {\n\n\t\t// layout (1 matrix = 4 pixels)\n\t\t// RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4)\n\t\t// with 8x8 pixel texture max 16 matrices * 4 pixels = (8 * 8)\n\t\t// 16x16 pixel texture max 64 matrices * 4 pixels = (16 * 16)\n\t\t// 32x32 pixel texture max 256 matrices * 4 pixels = (32 * 32)\n\t\t// 64x64 pixel texture max 1024 matrices * 4 pixels = (64 * 64)\n\n\t\tlet size = Math.sqrt( this._maxInstanceCount * 4 ); // 4 pixels needed for 1 matrix\n\t\tsize = Math.ceil( size / 4 ) * 4;\n\t\tsize = Math.max( size, 4 );\n\n\t\tconst matricesArray = new Float32Array( size * size * 4 ); // 4 floats per RGBA pixel\n\t\tconst matricesTexture = new DataTexture( matricesArray, size, size, RGBAFormat, FloatType );\n\n\t\tthis._matricesTexture = matricesTexture;\n\n\t}\n\n\t_initIndirectTexture() {\n\n\t\tlet size = Math.sqrt( this._maxInstanceCount );\n\t\tsize = Math.ceil( size );\n\n\t\tconst indirectArray = new Uint32Array( size * size );\n\t\tconst indirectTexture = new DataTexture( indirectArray, size, size, RedIntegerFormat, UnsignedIntType );\n\n\t\tthis._indirectTexture = indirectTexture;\n\n\t}\n\n\t_initColorsTexture() {\n\n\t\tlet size = Math.sqrt( this._maxInstanceCount );\n\t\tsize = Math.ceil( size );\n\n\t\t// 4 floats per RGBA pixel initialized to white\n\t\tconst colorsArray = new Float32Array( size * size * 4 ).fill( 1 );\n\t\tconst colorsTexture = new DataTexture( colorsArray, size, size, RGBAFormat, FloatType );\n\t\tcolorsTexture.colorSpace = ColorManagement.workingColorSpace;\n\n\t\tthis._colorsTexture = colorsTexture;\n\n\t}\n\n\t_initializeGeometry( reference ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst maxVertexCount = this._maxVertexCount;\n\t\tconst maxIndexCount = this._maxIndexCount;\n\t\tif ( this._geometryInitialized === false ) {\n\n\t\t\tfor ( const attributeName in reference.attributes ) {\n\n\t\t\t\tconst srcAttribute = reference.getAttribute( attributeName );\n\t\t\t\tconst { array, itemSize, normalized } = srcAttribute;\n\n\t\t\t\tconst dstArray = new array.constructor( maxVertexCount * itemSize );\n\t\t\t\tconst dstAttribute = new BufferAttribute( dstArray, itemSize, normalized );\n\n\t\t\t\tgeometry.setAttribute( attributeName, dstAttribute );\n\n\t\t\t}\n\n\t\t\tif ( reference.getIndex() !== null ) {\n\n\t\t\t\t// Reserve last u16 index for primitive restart.\n\t\t\t\tconst indexArray = maxVertexCount > 65535\n\t\t\t\t\t? new Uint32Array( maxIndexCount )\n\t\t\t\t\t: new Uint16Array( maxIndexCount );\n\n\t\t\t\tgeometry.setIndex( new BufferAttribute( indexArray, 1 ) );\n\n\t\t\t}\n\n\t\t\tthis._geometryInitialized = true;\n\n\t\t}\n\n\t}\n\n\t// Make sure the geometry is compatible with the existing combined geometry attributes\n\t_validateGeometry( geometry ) {\n\n\t\t// check to ensure the geometries are using consistent attributes and indices\n\t\tconst batchGeometry = this.geometry;\n\t\tif ( Boolean( geometry.getIndex() ) !== Boolean( batchGeometry.getIndex() ) ) {\n\n\t\t\tthrow new Error( 'THREE.BatchedMesh: All geometries must consistently have \"index\".' );\n\n\t\t}\n\n\t\tfor ( const attributeName in batchGeometry.attributes ) {\n\n\t\t\tif ( ! geometry.hasAttribute( attributeName ) ) {\n\n\t\t\t\tthrow new Error( `THREE.BatchedMesh: Added geometry missing \"${ attributeName }\". All geometries must have consistent attributes.` );\n\n\t\t\t}\n\n\t\t\tconst srcAttribute = geometry.getAttribute( attributeName );\n\t\t\tconst dstAttribute = batchGeometry.getAttribute( attributeName );\n\t\t\tif ( srcAttribute.itemSize !== dstAttribute.itemSize || srcAttribute.normalized !== dstAttribute.normalized ) {\n\n\t\t\t\tthrow new Error( 'THREE.BatchedMesh: All attributes must have a consistent itemSize and normalized value.' );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tvalidateInstanceId( instanceId ) {\n\n\t\tconst instanceInfo = this._instanceInfo;\n\t\tif ( instanceId < 0 || instanceId >= instanceInfo.length || instanceInfo[ instanceId ].active === false ) {\n\n\t\t\tthrow new Error( `THREE.BatchedMesh: Invalid instanceId ${instanceId}. Instance is either out of range or has been deleted.` );\n\n\t\t}\n\n\t}\n\n\tvalidateGeometryId( geometryId ) {\n\n\t\tconst geometryInfoList = this._geometryInfo;\n\t\tif ( geometryId < 0 || geometryId >= geometryInfoList.length || geometryInfoList[ geometryId ].active === false ) {\n\n\t\t\tthrow new Error( `THREE.BatchedMesh: Invalid geometryId ${geometryId}. Geometry is either out of range or has been deleted.` );\n\n\t\t}\n\n\t}\n\n\n\tsetCustomSort( func ) {\n\n\t\tthis.customSort = func;\n\t\treturn this;\n\n\t}\n\n\tcomputeBoundingBox() {\n\n\t\tif ( this.boundingBox === null ) {\n\n\t\t\tthis.boundingBox = new Box3();\n\n\t\t}\n\n\t\tconst boundingBox = this.boundingBox;\n\t\tconst instanceInfo = this._instanceInfo;\n\n\t\tboundingBox.makeEmpty();\n\t\tfor ( let i = 0, l = instanceInfo.length; i < l; i ++ ) {\n\n\t\t\tif ( instanceInfo[ i ].active === false ) continue;\n\n\t\t\tconst geometryId = instanceInfo[ i ].geometryIndex;\n\t\t\tthis.getMatrixAt( i, _matrix$1 );\n\t\t\tthis.getBoundingBoxAt( geometryId, _box$1 ).applyMatrix4( _matrix$1 );\n\t\t\tboundingBox.union( _box$1 );\n\n\t\t}\n\n\t}\n\n\tcomputeBoundingSphere() {\n\n\t\tif ( this.boundingSphere === null ) {\n\n\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t}\n\n\t\tconst boundingSphere = this.boundingSphere;\n\t\tconst instanceInfo = this._instanceInfo;\n\n\t\tboundingSphere.makeEmpty();\n\t\tfor ( let i = 0, l = instanceInfo.length; i < l; i ++ ) {\n\n\t\t\tif ( instanceInfo[ i ].active === false ) continue;\n\n\t\t\tconst geometryId = instanceInfo[ i ].geometryIndex;\n\t\t\tthis.getMatrixAt( i, _matrix$1 );\n\t\t\tthis.getBoundingSphereAt( geometryId, _sphere$2 ).applyMatrix4( _matrix$1 );\n\t\t\tboundingSphere.union( _sphere$2 );\n\n\t\t}\n\n\t}\n\n\taddInstance( geometryId ) {\n\n\t\tconst atCapacity = this._instanceInfo.length >= this.maxInstanceCount;\n\n\t\t// ensure we're not over geometry\n\t\tif ( atCapacity && this._availableInstanceIds.length === 0 ) {\n\n\t\t\tthrow new Error( 'THREE.BatchedMesh: Maximum item count reached.' );\n\n\t\t}\n\n\t\tconst instanceInfo = {\n\t\t\tvisible: true,\n\t\t\tactive: true,\n\t\t\tgeometryIndex: geometryId,\n\t\t};\n\n\t\tlet drawId = null;\n\n\t\t// Prioritize using previously freed instance ids\n\t\tif ( this._availableInstanceIds.length > 0 ) {\n\n\t\t\tthis._availableInstanceIds.sort( ascIdSort );\n\n\t\t\tdrawId = this._availableInstanceIds.shift();\n\t\t\tthis._instanceInfo[ drawId ] = instanceInfo;\n\n\t\t} else {\n\n\t\t\tdrawId = this._instanceInfo.length;\n\t\t\tthis._instanceInfo.push( instanceInfo );\n\n\t\t}\n\n\t\tconst matricesTexture = this._matricesTexture;\n\t\t_matrix$1.identity().toArray( matricesTexture.image.data, drawId * 16 );\n\t\tmatricesTexture.needsUpdate = true;\n\n\t\tconst colorsTexture = this._colorsTexture;\n\t\tif ( colorsTexture ) {\n\n\t\t\t_whiteColor.toArray( colorsTexture.image.data, drawId * 4 );\n\t\t\tcolorsTexture.needsUpdate = true;\n\n\t\t}\n\n\t\tthis._visibilityChanged = true;\n\t\treturn drawId;\n\n\t}\n\n\taddGeometry( geometry, reservedVertexCount = - 1, reservedIndexCount = - 1 ) {\n\n\t\tthis._initializeGeometry( geometry );\n\n\t\tthis._validateGeometry( geometry );\n\n\t\tconst geometryInfo = {\n\t\t\t// geometry information\n\t\t\tvertexStart: - 1,\n\t\t\tvertexCount: - 1,\n\t\t\treservedVertexCount: - 1,\n\n\t\t\tindexStart: - 1,\n\t\t\tindexCount: - 1,\n\t\t\treservedIndexCount: - 1,\n\n\t\t\t// draw range information\n\t\t\tstart: - 1,\n\t\t\tcount: - 1,\n\n\t\t\t// state\n\t\t\tboundingBox: null,\n\t\t\tboundingSphere: null,\n\t\t\tactive: true,\n\t\t};\n\n\t\tconst geometryInfoList = this._geometryInfo;\n\t\tgeometryInfo.vertexStart = this._nextVertexStart;\n\t\tgeometryInfo.reservedVertexCount = reservedVertexCount === - 1 ? geometry.getAttribute( 'position' ).count : reservedVertexCount;\n\n\t\tconst index = geometry.getIndex();\n\t\tconst hasIndex = index !== null;\n\t\tif ( hasIndex ) {\n\n\t\t\tgeometryInfo.indexStart = this._nextIndexStart;\n\t\t\tgeometryInfo.reservedIndexCount = reservedIndexCount === - 1 ? index.count : reservedIndexCount;\n\n\t\t}\n\n\t\tif (\n\t\t\tgeometryInfo.indexStart !== - 1 &&\n\t\t\tgeometryInfo.indexStart + geometryInfo.reservedIndexCount > this._maxIndexCount ||\n\t\t\tgeometryInfo.vertexStart + geometryInfo.reservedVertexCount > this._maxVertexCount\n\t\t) {\n\n\t\t\tthrow new Error( 'THREE.BatchedMesh: Reserved space request exceeds the maximum buffer size.' );\n\n\t\t}\n\n\t\t// update id\n\t\tlet geometryId;\n\t\tif ( this._availableGeometryIds.length > 0 ) {\n\n\t\t\tthis._availableGeometryIds.sort( ascIdSort );\n\n\t\t\tgeometryId = this._availableGeometryIds.shift();\n\t\t\tgeometryInfoList[ geometryId ] = geometryInfo;\n\n\n\t\t} else {\n\n\t\t\tgeometryId = this._geometryCount;\n\t\t\tthis._geometryCount ++;\n\t\t\tgeometryInfoList.push( geometryInfo );\n\n\t\t}\n\n\t\t// update the geometry\n\t\tthis.setGeometryAt( geometryId, geometry );\n\n\t\t// increment the next geometry position\n\t\tthis._nextIndexStart = geometryInfo.indexStart + geometryInfo.reservedIndexCount;\n\t\tthis._nextVertexStart = geometryInfo.vertexStart + geometryInfo.reservedVertexCount;\n\n\t\treturn geometryId;\n\n\t}\n\n\tsetGeometryAt( geometryId, geometry ) {\n\n\t\tif ( geometryId >= this._geometryCount ) {\n\n\t\t\tthrow new Error( 'THREE.BatchedMesh: Maximum geometry count reached.' );\n\n\t\t}\n\n\t\tthis._validateGeometry( geometry );\n\n\t\tconst batchGeometry = this.geometry;\n\t\tconst hasIndex = batchGeometry.getIndex() !== null;\n\t\tconst dstIndex = batchGeometry.getIndex();\n\t\tconst srcIndex = geometry.getIndex();\n\t\tconst geometryInfo = this._geometryInfo[ geometryId ];\n\t\tif (\n\t\t\thasIndex &&\n\t\t\tsrcIndex.count > geometryInfo.reservedIndexCount ||\n\t\t\tgeometry.attributes.position.count > geometryInfo.reservedVertexCount\n\t\t) {\n\n\t\t\tthrow new Error( 'THREE.BatchedMesh: Reserved space not large enough for provided geometry.' );\n\n\t\t}\n\n\t\t// copy geometry buffer data over\n\t\tconst vertexStart = geometryInfo.vertexStart;\n\t\tconst reservedVertexCount = geometryInfo.reservedVertexCount;\n\t\tgeometryInfo.vertexCount = geometry.getAttribute( 'position' ).count;\n\n\t\tfor ( const attributeName in batchGeometry.attributes ) {\n\n\t\t\t// copy attribute data\n\t\t\tconst srcAttribute = geometry.getAttribute( attributeName );\n\t\t\tconst dstAttribute = batchGeometry.getAttribute( attributeName );\n\t\t\tcopyAttributeData( srcAttribute, dstAttribute, vertexStart );\n\n\t\t\t// fill the rest in with zeroes\n\t\t\tconst itemSize = srcAttribute.itemSize;\n\t\t\tfor ( let i = srcAttribute.count, l = reservedVertexCount; i < l; i ++ ) {\n\n\t\t\t\tconst index = vertexStart + i;\n\t\t\t\tfor ( let c = 0; c < itemSize; c ++ ) {\n\n\t\t\t\t\tdstAttribute.setComponent( index, c, 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tdstAttribute.needsUpdate = true;\n\t\t\tdstAttribute.addUpdateRange( vertexStart * itemSize, reservedVertexCount * itemSize );\n\n\t\t}\n\n\t\t// copy index\n\t\tif ( hasIndex ) {\n\n\t\t\tconst indexStart = geometryInfo.indexStart;\n\t\t\tconst reservedIndexCount = geometryInfo.reservedIndexCount;\n\t\t\tgeometryInfo.indexCount = geometry.getIndex().count;\n\n\t\t\t// copy index data over\n\t\t\tfor ( let i = 0; i < srcIndex.count; i ++ ) {\n\n\t\t\t\tdstIndex.setX( indexStart + i, vertexStart + srcIndex.getX( i ) );\n\n\t\t\t}\n\n\t\t\t// fill the rest in with zeroes\n\t\t\tfor ( let i = srcIndex.count, l = reservedIndexCount; i < l; i ++ ) {\n\n\t\t\t\tdstIndex.setX( indexStart + i, vertexStart );\n\n\t\t\t}\n\n\t\t\tdstIndex.needsUpdate = true;\n\t\t\tdstIndex.addUpdateRange( indexStart, geometryInfo.reservedIndexCount );\n\n\t\t}\n\n\t\t// update the draw range\n\t\tgeometryInfo.start = hasIndex ? geometryInfo.indexStart : geometryInfo.vertexStart;\n\t\tgeometryInfo.count = hasIndex ? geometryInfo.indexCount : geometryInfo.vertexCount;\n\n\t\t// store the bounding boxes\n\t\tgeometryInfo.boundingBox = null;\n\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\tgeometryInfo.boundingBox = geometry.boundingBox.clone();\n\n\t\t}\n\n\t\tgeometryInfo.boundingSphere = null;\n\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\tgeometryInfo.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t}\n\n\t\tthis._visibilityChanged = true;\n\t\treturn geometryId;\n\n\t}\n\n\tdeleteGeometry( geometryId ) {\n\n\t\tconst geometryInfoList = this._geometryInfo;\n\t\tif ( geometryId >= geometryInfoList.length || geometryInfoList[ geometryId ].active === false ) {\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\t// delete any instances associated with this geometry\n\t\tconst instanceInfo = this._instanceInfo;\n\t\tfor ( let i = 0, l = instanceInfo.length; i < l; i ++ ) {\n\n\t\t\tif ( instanceInfo[ i ].active && instanceInfo[ i ].geometryIndex === geometryId ) {\n\n\t\t\t\tthis.deleteInstance( i );\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometryInfoList[ geometryId ].active = false;\n\t\tthis._availableGeometryIds.push( geometryId );\n\t\tthis._visibilityChanged = true;\n\n\t\treturn this;\n\n\t}\n\n\tdeleteInstance( instanceId ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\n\t\tthis._instanceInfo[ instanceId ].active = false;\n\t\tthis._availableInstanceIds.push( instanceId );\n\t\tthis._visibilityChanged = true;\n\n\t\treturn this;\n\n\t}\n\n\toptimize() {\n\n\t\t// track the next indices to copy data to\n\t\tlet nextVertexStart = 0;\n\t\tlet nextIndexStart = 0;\n\n\t\t// Iterate over all geometry ranges in order sorted from earliest in the geometry buffer to latest\n\t\t// in the geometry buffer. Because draw range objects can be reused there is no guarantee of their order.\n\t\tconst geometryInfoList = this._geometryInfo;\n\t\tconst indices = geometryInfoList\n\t\t\t.map( ( e, i ) => i )\n\t\t\t.sort( ( a, b ) => {\n\n\t\t\t\treturn geometryInfoList[ a ].vertexStart - geometryInfoList[ b ].vertexStart;\n\n\t\t\t} );\n\n\t\tconst geometry = this.geometry;\n\t\tfor ( let i = 0, l = geometryInfoList.length; i < l; i ++ ) {\n\n\t\t\t// if a geometry range is inactive then don't copy anything\n\t\t\tconst index = indices[ i ];\n\t\t\tconst geometryInfo = geometryInfoList[ index ];\n\t\t\tif ( geometryInfo.active === false ) {\n\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\t// if a geometry contains an index buffer then shift it, as well\n\t\t\tif ( geometry.index !== null ) {\n\n\t\t\t\tif ( geometryInfo.indexStart !== nextIndexStart ) {\n\n\t\t\t\t\tconst { indexStart, vertexStart, reservedIndexCount } = geometryInfo;\n\t\t\t\t\tconst index = geometry.index;\n\t\t\t\t\tconst array = index.array;\n\n\t\t\t\t\t// shift the index pointers based on how the vertex data will shift\n\t\t\t\t\t// adjusting the index must happen first so the original vertex start value is available\n\t\t\t\t\tconst elementDelta = nextVertexStart - vertexStart;\n\t\t\t\t\tfor ( let j = indexStart; j < indexStart + reservedIndexCount; j ++ ) {\n\n\t\t\t\t\t\tarray[ j ] = array[ j ] + elementDelta;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tindex.array.copyWithin( nextIndexStart, indexStart, indexStart + reservedIndexCount );\n\t\t\t\t\tindex.addUpdateRange( nextIndexStart, reservedIndexCount );\n\n\t\t\t\t\tgeometryInfo.indexStart = nextIndexStart;\n\n\t\t\t\t}\n\n\t\t\t\tnextIndexStart += geometryInfo.reservedIndexCount;\n\n\t\t\t}\n\n\t\t\t// if a geometry needs to be moved then copy attribute data to overwrite unused space\n\t\t\tif ( geometryInfo.vertexStart !== nextVertexStart ) {\n\n\t\t\t\tconst { vertexStart, reservedVertexCount } = geometryInfo;\n\t\t\t\tconst attributes = geometry.attributes;\n\t\t\t\tfor ( const key in attributes ) {\n\n\t\t\t\t\tconst attribute = attributes[ key ];\n\t\t\t\t\tconst { array, itemSize } = attribute;\n\t\t\t\t\tarray.copyWithin( nextVertexStart * itemSize, vertexStart * itemSize, ( vertexStart + reservedVertexCount ) * itemSize );\n\t\t\t\t\tattribute.addUpdateRange( nextVertexStart * itemSize, reservedVertexCount * itemSize );\n\n\t\t\t\t}\n\n\t\t\t\tgeometryInfo.vertexStart = nextVertexStart;\n\n\t\t\t}\n\n\t\t\tnextVertexStart += geometryInfo.reservedVertexCount;\n\t\t\tgeometryInfo.start = geometry.index ? geometryInfo.indexStart : geometryInfo.vertexStart;\n\n\t\t\t// step the next geometry points to the shifted position\n\t\t\tthis._nextIndexStart = geometry.index ? geometryInfo.indexStart + geometryInfo.reservedIndexCount : 0;\n\t\t\tthis._nextVertexStart = geometryInfo.vertexStart + geometryInfo.reservedVertexCount;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// get bounding box and compute it if it doesn't exist\n\tgetBoundingBoxAt( geometryId, target ) {\n\n\t\tif ( geometryId >= this._geometryCount ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// compute bounding box\n\t\tconst geometry = this.geometry;\n\t\tconst geometryInfo = this._geometryInfo[ geometryId ];\n\t\tif ( geometryInfo.boundingBox === null ) {\n\n\t\t\tconst box = new Box3();\n\t\t\tconst index = geometry.index;\n\t\t\tconst position = geometry.attributes.position;\n\t\t\tfor ( let i = geometryInfo.start, l = geometryInfo.start + geometryInfo.count; i < l; i ++ ) {\n\n\t\t\t\tlet iv = i;\n\t\t\t\tif ( index ) {\n\n\t\t\t\t\tiv = index.getX( iv );\n\n\t\t\t\t}\n\n\t\t\t\tbox.expandByPoint( _vector$5.fromBufferAttribute( position, iv ) );\n\n\t\t\t}\n\n\t\t\tgeometryInfo.boundingBox = box;\n\n\t\t}\n\n\t\ttarget.copy( geometryInfo.boundingBox );\n\t\treturn target;\n\n\t}\n\n\t// get bounding sphere and compute it if it doesn't exist\n\tgetBoundingSphereAt( geometryId, target ) {\n\n\t\tif ( geometryId >= this._geometryCount ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// compute bounding sphere\n\t\tconst geometry = this.geometry;\n\t\tconst geometryInfo = this._geometryInfo[ geometryId ];\n\t\tif ( geometryInfo.boundingSphere === null ) {\n\n\t\t\tconst sphere = new Sphere();\n\t\t\tthis.getBoundingBoxAt( geometryId, _box$1 );\n\t\t\t_box$1.getCenter( sphere.center );\n\n\t\t\tconst index = geometry.index;\n\t\t\tconst position = geometry.attributes.position;\n\n\t\t\tlet maxRadiusSq = 0;\n\t\t\tfor ( let i = geometryInfo.start, l = geometryInfo.start + geometryInfo.count; i < l; i ++ ) {\n\n\t\t\t\tlet iv = i;\n\t\t\t\tif ( index ) {\n\n\t\t\t\t\tiv = index.getX( iv );\n\n\t\t\t\t}\n\n\t\t\t\t_vector$5.fromBufferAttribute( position, iv );\n\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, sphere.center.distanceToSquared( _vector$5 ) );\n\n\t\t\t}\n\n\t\t\tsphere.radius = Math.sqrt( maxRadiusSq );\n\t\t\tgeometryInfo.boundingSphere = sphere;\n\n\t\t}\n\n\t\ttarget.copy( geometryInfo.boundingSphere );\n\t\treturn target;\n\n\t}\n\n\tsetMatrixAt( instanceId, matrix ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\n\t\tconst matricesTexture = this._matricesTexture;\n\t\tconst matricesArray = this._matricesTexture.image.data;\n\t\tmatrix.toArray( matricesArray, instanceId * 16 );\n\t\tmatricesTexture.needsUpdate = true;\n\n\t\treturn this;\n\n\t}\n\n\tgetMatrixAt( instanceId, matrix ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\t\treturn matrix.fromArray( this._matricesTexture.image.data, instanceId * 16 );\n\n\t}\n\n\tsetColorAt( instanceId, color ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\n\t\tif ( this._colorsTexture === null ) {\n\n\t\t\tthis._initColorsTexture();\n\n\t\t}\n\n\t\tcolor.toArray( this._colorsTexture.image.data, instanceId * 4 );\n\t\tthis._colorsTexture.needsUpdate = true;\n\n\t\treturn this;\n\n\t}\n\n\tgetColorAt( instanceId, color ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\t\treturn color.fromArray( this._colorsTexture.image.data, instanceId * 4 );\n\n\t}\n\n\tsetVisibleAt( instanceId, value ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\n\t\tif ( this._instanceInfo[ instanceId ].visible === value ) {\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tthis._instanceInfo[ instanceId ].visible = value;\n\t\tthis._visibilityChanged = true;\n\n\t\treturn this;\n\n\t}\n\n\tgetVisibleAt( instanceId ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\n\t\treturn this._instanceInfo[ instanceId ].visible;\n\n\t}\n\n\tsetGeometryIdAt( instanceId, geometryId ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\t\tthis.validateGeometryId( geometryId );\n\n\t\tthis._instanceInfo[ instanceId ].geometryIndex = geometryId;\n\n\t\treturn this;\n\n\t}\n\n\tgetGeometryIdAt( instanceId ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\n\t\treturn this._instanceInfo[ instanceId ].geometryIndex;\n\n\t}\n\n\tgetGeometryRangeAt( geometryId, target = {} ) {\n\n\t\tthis.validateGeometryId( geometryId );\n\n\t\tconst geometryInfo = this._geometryInfo[ geometryId ];\n\t\ttarget.vertexStart = geometryInfo.vertexStart;\n\t\ttarget.vertexCount = geometryInfo.vertexCount;\n\t\ttarget.reservedVertexCount = geometryInfo.reservedVertexCount;\n\n\t\ttarget.indexStart = geometryInfo.indexStart;\n\t\ttarget.indexCount = geometryInfo.indexCount;\n\t\ttarget.reservedIndexCount = geometryInfo.reservedIndexCount;\n\n\t\ttarget.start = geometryInfo.start;\n\t\ttarget.count = geometryInfo.count;\n\n\t\treturn target;\n\n\t}\n\n\tsetInstanceCount( maxInstanceCount ) {\n\n\t\t// shrink the available instances as much as possible\n\t\tconst availableInstanceIds = this._availableInstanceIds;\n\t\tconst instanceInfo = this._instanceInfo;\n\t\tavailableInstanceIds.sort( ascIdSort );\n\t\twhile ( availableInstanceIds[ availableInstanceIds.length - 1 ] === instanceInfo.length ) {\n\n\t\t\tinstanceInfo.pop();\n\t\t\tavailableInstanceIds.pop();\n\n\t\t}\n\n\t\t// throw an error if it can't be shrunk to the desired size\n\t\tif ( maxInstanceCount < instanceInfo.length ) {\n\n\t\t\tthrow new Error( `BatchedMesh: Instance ids outside the range ${ maxInstanceCount } are being used. Cannot shrink instance count.` );\n\n\t\t}\n\n\t\t// copy the multi draw counts\n\t\tconst multiDrawCounts = new Int32Array( maxInstanceCount );\n\t\tconst multiDrawStarts = new Int32Array( maxInstanceCount );\n\t\tcopyArrayContents( this._multiDrawCounts, multiDrawCounts );\n\t\tcopyArrayContents( this._multiDrawStarts, multiDrawStarts );\n\n\t\tthis._multiDrawCounts = multiDrawCounts;\n\t\tthis._multiDrawStarts = multiDrawStarts;\n\t\tthis._maxInstanceCount = maxInstanceCount;\n\n\t\t// update texture data for instance sampling\n\t\tconst indirectTexture = this._indirectTexture;\n\t\tconst matricesTexture = this._matricesTexture;\n\t\tconst colorsTexture = this._colorsTexture;\n\n\t\tindirectTexture.dispose();\n\t\tthis._initIndirectTexture();\n\t\tcopyArrayContents( indirectTexture.image.data, this._indirectTexture.image.data );\n\n\t\tmatricesTexture.dispose();\n\t\tthis._initMatricesTexture();\n\t\tcopyArrayContents( matricesTexture.image.data, this._matricesTexture.image.data );\n\n\t\tif ( colorsTexture ) {\n\n\t\t\tcolorsTexture.dispose();\n\t\t\tthis._initColorsTexture();\n\t\t\tcopyArrayContents( colorsTexture.image.data, this._colorsTexture.image.data );\n\n\t\t}\n\n\t}\n\n\tsetGeometrySize( maxVertexCount, maxIndexCount ) {\n\n\t\t// Check if we can shrink to the requested vertex attribute size\n\t\tconst validRanges = [ ...this._geometryInfo ].filter( info => info.active );\n\t\tconst requiredVertexLength = Math.max( ...validRanges.map( range => range.vertexStart + range.reservedVertexCount ) );\n\t\tif ( requiredVertexLength > maxVertexCount ) {\n\n\t\t\tthrow new Error( `BatchedMesh: Geometry vertex values are being used outside the range ${ maxIndexCount }. Cannot shrink further.` );\n\n\t\t}\n\n\t\t// Check if we can shrink to the requested index attribute size\n\t\tif ( this.geometry.index ) {\n\n\t\t\tconst requiredIndexLength = Math.max( ...validRanges.map( range => range.indexStart + range.reservedIndexCount ) );\n\t\t\tif ( requiredIndexLength > maxIndexCount ) {\n\n\t\t\t\tthrow new Error( `BatchedMesh: Geometry index values are being used outside the range ${ maxIndexCount }. Cannot shrink further.` );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\t// dispose of the previous geometry\n\t\tconst oldGeometry = this.geometry;\n\t\toldGeometry.dispose();\n\n\t\t// recreate the geometry needed based on the previous variant\n\t\tthis._maxVertexCount = maxVertexCount;\n\t\tthis._maxIndexCount = maxIndexCount;\n\n\t\tif ( this._geometryInitialized ) {\n\n\t\t\tthis._geometryInitialized = false;\n\t\t\tthis.geometry = new BufferGeometry();\n\t\t\tthis._initializeGeometry( oldGeometry );\n\n\t\t}\n\n\t\t// copy data from the previous geometry\n\t\tconst geometry = this.geometry;\n\t\tif ( oldGeometry.index ) {\n\n\t\t\tcopyArrayContents( oldGeometry.index.array, geometry.index.array );\n\n\t\t}\n\n\t\tfor ( const key in oldGeometry.attributes ) {\n\n\t\t\tcopyArrayContents( oldGeometry.attributes[ key ].array, geometry.attributes[ key ].array );\n\n\t\t}\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst instanceInfo = this._instanceInfo;\n\t\tconst geometryInfoList = this._geometryInfo;\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst batchGeometry = this.geometry;\n\n\t\t// iterate over each geometry\n\t\t_mesh.material = this.material;\n\t\t_mesh.geometry.index = batchGeometry.index;\n\t\t_mesh.geometry.attributes = batchGeometry.attributes;\n\t\tif ( _mesh.geometry.boundingBox === null ) {\n\n\t\t\t_mesh.geometry.boundingBox = new Box3();\n\n\t\t}\n\n\t\tif ( _mesh.geometry.boundingSphere === null ) {\n\n\t\t\t_mesh.geometry.boundingSphere = new Sphere();\n\n\t\t}\n\n\t\tfor ( let i = 0, l = instanceInfo.length; i < l; i ++ ) {\n\n\t\t\tif ( ! instanceInfo[ i ].visible || ! instanceInfo[ i ].active ) {\n\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tconst geometryId = instanceInfo[ i ].geometryIndex;\n\t\t\tconst geometryInfo = geometryInfoList[ geometryId ];\n\t\t\t_mesh.geometry.setDrawRange( geometryInfo.start, geometryInfo.count );\n\n\t\t\t// get the intersects\n\t\t\tthis.getMatrixAt( i, _mesh.matrixWorld ).premultiply( matrixWorld );\n\t\t\tthis.getBoundingBoxAt( geometryId, _mesh.geometry.boundingBox );\n\t\t\tthis.getBoundingSphereAt( geometryId, _mesh.geometry.boundingSphere );\n\t\t\t_mesh.raycast( raycaster, _batchIntersects );\n\n\t\t\t// add batch id to the intersects\n\t\t\tfor ( let j = 0, l = _batchIntersects.length; j < l; j ++ ) {\n\n\t\t\t\tconst intersect = _batchIntersects[ j ];\n\t\t\t\tintersect.object = this;\n\t\t\t\tintersect.batchId = i;\n\t\t\t\tintersects.push( intersect );\n\n\t\t\t}\n\n\t\t\t_batchIntersects.length = 0;\n\n\t\t}\n\n\t\t_mesh.material = null;\n\t\t_mesh.geometry.index = null;\n\t\t_mesh.geometry.attributes = {};\n\t\t_mesh.geometry.setDrawRange( 0, Infinity );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.geometry = source.geometry.clone();\n\t\tthis.perObjectFrustumCulled = source.perObjectFrustumCulled;\n\t\tthis.sortObjects = source.sortObjects;\n\t\tthis.boundingBox = source.boundingBox !== null ? source.boundingBox.clone() : null;\n\t\tthis.boundingSphere = source.boundingSphere !== null ? source.boundingSphere.clone() : null;\n\n\t\tthis._geometryInfo = source._geometryInfo.map( info => ( {\n\t\t\t...info,\n\n\t\t\tboundingBox: info.boundingBox !== null ? info.boundingBox.clone() : null,\n\t\t\tboundingSphere: info.boundingSphere !== null ? info.boundingSphere.clone() : null,\n\t\t} ) );\n\t\tthis._instanceInfo = source._instanceInfo.map( info => ( { ...info } ) );\n\n\t\tthis._maxInstanceCount = source._maxInstanceCount;\n\t\tthis._maxVertexCount = source._maxVertexCount;\n\t\tthis._maxIndexCount = source._maxIndexCount;\n\n\t\tthis._geometryInitialized = source._geometryInitialized;\n\t\tthis._geometryCount = source._geometryCount;\n\t\tthis._multiDrawCounts = source._multiDrawCounts.slice();\n\t\tthis._multiDrawStarts = source._multiDrawStarts.slice();\n\n\t\tthis._matricesTexture = source._matricesTexture.clone();\n\t\tthis._matricesTexture.image.data = this._matricesTexture.image.data.slice();\n\n\t\tif ( this._colorsTexture !== null ) {\n\n\t\t\tthis._colorsTexture = source._colorsTexture.clone();\n\t\t\tthis._colorsTexture.image.data = this._colorsTexture.image.data.slice();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\t// Assuming the geometry is not shared with other meshes\n\t\tthis.geometry.dispose();\n\n\t\tthis._matricesTexture.dispose();\n\t\tthis._matricesTexture = null;\n\n\t\tthis._indirectTexture.dispose();\n\t\tthis._indirectTexture = null;\n\n\t\tif ( this._colorsTexture !== null ) {\n\n\t\t\tthis._colorsTexture.dispose();\n\t\t\tthis._colorsTexture = null;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tonBeforeRender( renderer, scene, camera, geometry, material/*, _group*/ ) {\n\n\t\t// if visibility has not changed and frustum culling and object sorting is not required\n\t\t// then skip iterating over all items\n\t\tif ( ! this._visibilityChanged && ! this.perObjectFrustumCulled && ! this.sortObjects ) {\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t// the indexed version of the multi draw function requires specifying the start\n\t\t// offset in bytes.\n\t\tconst index = geometry.getIndex();\n\t\tconst bytesPerElement = index === null ? 1 : index.array.BYTES_PER_ELEMENT;\n\n\t\tconst instanceInfo = this._instanceInfo;\n\t\tconst multiDrawStarts = this._multiDrawStarts;\n\t\tconst multiDrawCounts = this._multiDrawCounts;\n\t\tconst geometryInfoList = this._geometryInfo;\n\t\tconst perObjectFrustumCulled = this.perObjectFrustumCulled;\n\t\tconst indirectTexture = this._indirectTexture;\n\t\tconst indirectArray = indirectTexture.image.data;\n\n\t\t// prepare the frustum in the local frame\n\t\tif ( perObjectFrustumCulled ) {\n\n\t\t\t_matrix$1\n\t\t\t\t.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse )\n\t\t\t\t.multiply( this.matrixWorld );\n\t\t\t_frustum.setFromProjectionMatrix(\n\t\t\t\t_matrix$1,\n\t\t\t\trenderer.coordinateSystem\n\t\t\t);\n\n\t\t}\n\n\t\tlet multiDrawCount = 0;\n\t\tif ( this.sortObjects ) {\n\n\t\t\t// get the camera position in the local frame\n\t\t\t_matrix$1.copy( this.matrixWorld ).invert();\n\t\t\t_vector$5.setFromMatrixPosition( camera.matrixWorld ).applyMatrix4( _matrix$1 );\n\t\t\t_forward.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld ).transformDirection( _matrix$1 );\n\n\t\t\tfor ( let i = 0, l = instanceInfo.length; i < l; i ++ ) {\n\n\t\t\t\tif ( instanceInfo[ i ].visible && instanceInfo[ i ].active ) {\n\n\t\t\t\t\tconst geometryId = instanceInfo[ i ].geometryIndex;\n\n\t\t\t\t\t// get the bounds in world space\n\t\t\t\t\tthis.getMatrixAt( i, _matrix$1 );\n\t\t\t\t\tthis.getBoundingSphereAt( geometryId, _sphere$2 ).applyMatrix4( _matrix$1 );\n\n\t\t\t\t\t// determine whether the batched geometry is within the frustum\n\t\t\t\t\tlet culled = false;\n\t\t\t\t\tif ( perObjectFrustumCulled ) {\n\n\t\t\t\t\t\tculled = ! _frustum.intersectsSphere( _sphere$2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! culled ) {\n\n\t\t\t\t\t\t// get the distance from camera used for sorting\n\t\t\t\t\t\tconst geometryInfo = geometryInfoList[ geometryId ];\n\t\t\t\t\t\tconst z = _temp.subVectors( _sphere$2.center, _vector$5 ).dot( _forward );\n\t\t\t\t\t\t_renderList.push( geometryInfo.start, geometryInfo.count, z, i );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Sort the draw ranges and prep for rendering\n\t\t\tconst list = _renderList.list;\n\t\t\tconst customSort = this.customSort;\n\t\t\tif ( customSort === null ) {\n\n\t\t\t\tlist.sort( material.transparent ? sortTransparent : sortOpaque );\n\n\t\t\t} else {\n\n\t\t\t\tcustomSort.call( this, list, camera );\n\n\t\t\t}\n\n\t\t\tfor ( let i = 0, l = list.length; i < l; i ++ ) {\n\n\t\t\t\tconst item = list[ i ];\n\t\t\t\tmultiDrawStarts[ multiDrawCount ] = item.start * bytesPerElement;\n\t\t\t\tmultiDrawCounts[ multiDrawCount ] = item.count;\n\t\t\t\tindirectArray[ multiDrawCount ] = item.index;\n\t\t\t\tmultiDrawCount ++;\n\n\t\t\t}\n\n\t\t\t_renderList.reset();\n\n\t\t} else {\n\n\t\t\tfor ( let i = 0, l = instanceInfo.length; i < l; i ++ ) {\n\n\t\t\t\tif ( instanceInfo[ i ].visible && instanceInfo[ i ].active ) {\n\n\t\t\t\t\tconst geometryId = instanceInfo[ i ].geometryIndex;\n\n\t\t\t\t\t// determine whether the batched geometry is within the frustum\n\t\t\t\t\tlet culled = false;\n\t\t\t\t\tif ( perObjectFrustumCulled ) {\n\n\t\t\t\t\t\t// get the bounds in world space\n\t\t\t\t\t\tthis.getMatrixAt( i, _matrix$1 );\n\t\t\t\t\t\tthis.getBoundingSphereAt( geometryId, _sphere$2 ).applyMatrix4( _matrix$1 );\n\t\t\t\t\t\tculled = ! _frustum.intersectsSphere( _sphere$2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! culled ) {\n\n\t\t\t\t\t\tconst geometryInfo = geometryInfoList[ geometryId ];\n\t\t\t\t\t\tmultiDrawStarts[ multiDrawCount ] = geometryInfo.start * bytesPerElement;\n\t\t\t\t\t\tmultiDrawCounts[ multiDrawCount ] = geometryInfo.count;\n\t\t\t\t\t\tindirectArray[ multiDrawCount ] = i;\n\t\t\t\t\t\tmultiDrawCount ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tindirectTexture.needsUpdate = true;\n\t\tthis._multiDrawCount = multiDrawCount;\n\t\tthis._visibilityChanged = false;\n\n\t}\n\n\tonBeforeShadow( renderer, object, camera, shadowCamera, geometry, depthMaterial/* , group */ ) {\n\n\t\tthis.onBeforeRender( renderer, null, shadowCamera, geometry, depthMaterial );\n\n\t}\n\n}\n\nclass LineBasicMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isLineBasicMaterial = true;\n\n\t\tthis.type = 'LineBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.linewidth = 1;\n\t\tthis.linecap = 'round';\n\t\tthis.linejoin = 'round';\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.linewidth = source.linewidth;\n\t\tthis.linecap = source.linecap;\n\t\tthis.linejoin = source.linejoin;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _vStart = /*@__PURE__*/ new Vector3();\nconst _vEnd = /*@__PURE__*/ new Vector3();\n\nconst _inverseMatrix$1 = /*@__PURE__*/ new Matrix4();\nconst _ray$1 = /*@__PURE__*/ new Ray();\nconst _sphere$1 = /*@__PURE__*/ new Sphere();\n\nconst _intersectPointOnRay = /*@__PURE__*/ new Vector3();\nconst _intersectPointOnSegment = /*@__PURE__*/ new Vector3();\n\nclass Line extends Object3D {\n\n\tconstructor( geometry = new BufferGeometry(), material = new LineBasicMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.isLine = true;\n\n\t\tthis.type = 'Line';\n\n\t\tthis.geometry = geometry;\n\t\tthis.material = material;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.material = Array.isArray( source.material ) ? source.material.slice() : source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\tcomputeLineDistances() {\n\n\t\tconst geometry = this.geometry;\n\n\t\t// we assume non-indexed geometry\n\n\t\tif ( geometry.index === null ) {\n\n\t\t\tconst positionAttribute = geometry.attributes.position;\n\t\t\tconst lineDistances = [ 0 ];\n\n\t\t\tfor ( let i = 1, l = positionAttribute.count; i < l; i ++ ) {\n\n\t\t\t\t_vStart.fromBufferAttribute( positionAttribute, i - 1 );\n\t\t\t\t_vEnd.fromBufferAttribute( positionAttribute, i );\n\n\t\t\t\tlineDistances[ i ] = lineDistances[ i - 1 ];\n\t\t\t\tlineDistances[ i ] += _vStart.distanceTo( _vEnd );\n\n\t\t\t}\n\n\t\t\tgeometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) );\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst threshold = raycaster.params.Line.threshold;\n\t\tconst drawRange = geometry.drawRange;\n\n\t\t// Checking boundingSphere distance to ray\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere$1.copy( geometry.boundingSphere );\n\t\t_sphere$1.applyMatrix4( matrixWorld );\n\t\t_sphere$1.radius += threshold;\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere$1 ) === false ) return;\n\n\t\t//\n\n\t\t_inverseMatrix$1.copy( matrixWorld ).invert();\n\t\t_ray$1.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$1 );\n\n\t\tconst localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\tconst localThresholdSq = localThreshold * localThreshold;\n\n\t\tconst step = this.isLineSegments ? 2 : 1;\n\n\t\tconst index = geometry.index;\n\t\tconst attributes = geometry.attributes;\n\t\tconst positionAttribute = attributes.position;\n\n\t\tif ( index !== null ) {\n\n\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\tfor ( let i = start, l = end - 1; i < l; i += step ) {\n\n\t\t\t\tconst a = index.getX( i );\n\t\t\t\tconst b = index.getX( i + 1 );\n\n\t\t\t\tconst intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, a, b, i );\n\n\t\t\t\tif ( intersect ) {\n\n\t\t\t\t\tintersects.push( intersect );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.isLineLoop ) {\n\n\t\t\t\tconst a = index.getX( end - 1 );\n\t\t\t\tconst b = index.getX( start );\n\n\t\t\t\tconst intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, a, b, end - 1 );\n\n\t\t\t\tif ( intersect ) {\n\n\t\t\t\t\tintersects.push( intersect );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\tconst end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\tfor ( let i = start, l = end - 1; i < l; i += step ) {\n\n\t\t\t\tconst intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, i, i + 1, i );\n\n\t\t\t\tif ( intersect ) {\n\n\t\t\t\t\tintersects.push( intersect );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.isLineLoop ) {\n\n\t\t\t\tconst intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, end - 1, start, end - 1 );\n\n\t\t\t\tif ( intersect ) {\n\n\t\t\t\t\tintersects.push( intersect );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tconst morphAttributes = geometry.morphAttributes;\n\t\tconst keys = Object.keys( morphAttributes );\n\n\t\tif ( keys.length > 0 ) {\n\n\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nfunction checkIntersection( object, raycaster, ray, thresholdSq, a, b, i ) {\n\n\tconst positionAttribute = object.geometry.attributes.position;\n\n\t_vStart.fromBufferAttribute( positionAttribute, a );\n\t_vEnd.fromBufferAttribute( positionAttribute, b );\n\n\tconst distSq = ray.distanceSqToSegment( _vStart, _vEnd, _intersectPointOnRay, _intersectPointOnSegment );\n\n\tif ( distSq > thresholdSq ) return;\n\n\t_intersectPointOnRay.applyMatrix4( object.matrixWorld ); // Move back to world space for distance calculation\n\n\tconst distance = raycaster.ray.origin.distanceTo( _intersectPointOnRay );\n\n\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\treturn {\n\n\t\tdistance: distance,\n\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t// point: raycaster.ray.at( distance ),\n\t\tpoint: _intersectPointOnSegment.clone().applyMatrix4( object.matrixWorld ),\n\t\tindex: i,\n\t\tface: null,\n\t\tfaceIndex: null,\n\t\tbarycoord: null,\n\t\tobject: object\n\n\t};\n\n}\n\nconst _start = /*@__PURE__*/ new Vector3();\nconst _end = /*@__PURE__*/ new Vector3();\n\nclass LineSegments extends Line {\n\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.isLineSegments = true;\n\n\t\tthis.type = 'LineSegments';\n\n\t}\n\n\tcomputeLineDistances() {\n\n\t\tconst geometry = this.geometry;\n\n\t\t// we assume non-indexed geometry\n\n\t\tif ( geometry.index === null ) {\n\n\t\t\tconst positionAttribute = geometry.attributes.position;\n\t\t\tconst lineDistances = [];\n\n\t\t\tfor ( let i = 0, l = positionAttribute.count; i < l; i += 2 ) {\n\n\t\t\t\t_start.fromBufferAttribute( positionAttribute, i );\n\t\t\t\t_end.fromBufferAttribute( positionAttribute, i + 1 );\n\n\t\t\t\tlineDistances[ i ] = ( i === 0 ) ? 0 : lineDistances[ i - 1 ];\n\t\t\t\tlineDistances[ i + 1 ] = lineDistances[ i ] + _start.distanceTo( _end );\n\n\t\t\t}\n\n\t\t\tgeometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) );\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass LineLoop extends Line {\n\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.isLineLoop = true;\n\n\t\tthis.type = 'LineLoop';\n\n\t}\n\n}\n\nclass PointsMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isPointsMaterial = true;\n\n\t\tthis.type = 'PointsMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.size = 1;\n\t\tthis.sizeAttenuation = true;\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.size = source.size;\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _inverseMatrix = /*@__PURE__*/ new Matrix4();\nconst _ray = /*@__PURE__*/ new Ray();\nconst _sphere = /*@__PURE__*/ new Sphere();\nconst _position$2 = /*@__PURE__*/ new Vector3();\n\nclass Points extends Object3D {\n\n\tconstructor( geometry = new BufferGeometry(), material = new PointsMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.isPoints = true;\n\n\t\tthis.type = 'Points';\n\n\t\tthis.geometry = geometry;\n\t\tthis.material = material;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.material = Array.isArray( source.material ) ? source.material.slice() : source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst threshold = raycaster.params.Points.threshold;\n\t\tconst drawRange = geometry.drawRange;\n\n\t\t// Checking boundingSphere distance to ray\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere.copy( geometry.boundingSphere );\n\t\t_sphere.applyMatrix4( matrixWorld );\n\t\t_sphere.radius += threshold;\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere ) === false ) return;\n\n\t\t//\n\n\t\t_inverseMatrix.copy( matrixWorld ).invert();\n\t\t_ray.copy( raycaster.ray ).applyMatrix4( _inverseMatrix );\n\n\t\tconst localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\tconst localThresholdSq = localThreshold * localThreshold;\n\n\t\tconst index = geometry.index;\n\t\tconst attributes = geometry.attributes;\n\t\tconst positionAttribute = attributes.position;\n\n\t\tif ( index !== null ) {\n\n\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\tfor ( let i = start, il = end; i < il; i ++ ) {\n\n\t\t\t\tconst a = index.getX( i );\n\n\t\t\t\t_position$2.fromBufferAttribute( positionAttribute, a );\n\n\t\t\t\ttestPoint( _position$2, a, localThresholdSq, matrixWorld, raycaster, intersects, this );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\tconst end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\tfor ( let i = start, l = end; i < l; i ++ ) {\n\n\t\t\t\t_position$2.fromBufferAttribute( positionAttribute, i );\n\n\t\t\t\ttestPoint( _position$2, i, localThresholdSq, matrixWorld, raycaster, intersects, this );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tconst morphAttributes = geometry.morphAttributes;\n\t\tconst keys = Object.keys( morphAttributes );\n\n\t\tif ( keys.length > 0 ) {\n\n\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nfunction testPoint( point, index, localThresholdSq, matrixWorld, raycaster, intersects, object ) {\n\n\tconst rayPointDistanceSq = _ray.distanceSqToPoint( point );\n\n\tif ( rayPointDistanceSq < localThresholdSq ) {\n\n\t\tconst intersectPoint = new Vector3();\n\n\t\t_ray.closestPointToPoint( point, intersectPoint );\n\t\tintersectPoint.applyMatrix4( matrixWorld );\n\n\t\tconst distance = raycaster.ray.origin.distanceTo( intersectPoint );\n\n\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\tintersects.push( {\n\n\t\t\tdistance: distance,\n\t\t\tdistanceToRay: Math.sqrt( rayPointDistanceSq ),\n\t\t\tpoint: intersectPoint,\n\t\t\tindex: index,\n\t\t\tface: null,\n\t\t\tfaceIndex: null,\n\t\t\tbarycoord: null,\n\t\t\tobject: object\n\n\t\t} );\n\n\t}\n\n}\n\nclass VideoTexture extends Texture {\n\n\tconstructor( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tsuper( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.isVideoTexture = true;\n\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : LinearFilter;\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : LinearFilter;\n\n\t\tthis.generateMipmaps = false;\n\n\t\tconst scope = this;\n\n\t\tfunction updateVideo() {\n\n\t\t\tscope.needsUpdate = true;\n\t\t\tvideo.requestVideoFrameCallback( updateVideo );\n\n\t\t}\n\n\t\tif ( 'requestVideoFrameCallback' in video ) {\n\n\t\t\tvideo.requestVideoFrameCallback( updateVideo );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.image ).copy( this );\n\n\t}\n\n\tupdate() {\n\n\t\tconst video = this.image;\n\t\tconst hasVideoFrameCallback = 'requestVideoFrameCallback' in video;\n\n\t\tif ( hasVideoFrameCallback === false && video.readyState >= video.HAVE_CURRENT_DATA ) {\n\n\t\t\tthis.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n}\n\nclass VideoFrameTexture extends VideoTexture {\n\n\tconstructor( mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tsuper( {}, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.isVideoFrameTexture = true;\n\n\t}\n\n\tupdate() {\n\n\t\t// overwrites `VideoTexture.update()` with an empty method since\n\t\t// this type of texture is updated via `setFrame()`.\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this ); // restoring Texture.clone()\n\n\t}\n\n\tsetFrame( frame ) {\n\n\t\tthis.image = frame;\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nclass FramebufferTexture extends Texture {\n\n\tconstructor( width, height ) {\n\n\t\tsuper( { width, height } );\n\n\t\tthis.isFramebufferTexture = true;\n\n\t\tthis.magFilter = NearestFilter;\n\t\tthis.minFilter = NearestFilter;\n\n\t\tthis.generateMipmaps = false;\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nclass CompressedTexture extends Texture {\n\n\tconstructor( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, colorSpace ) {\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace );\n\n\t\tthis.isCompressedTexture = true;\n\n\t\tthis.image = { width: width, height: height };\n\t\tthis.mipmaps = mipmaps;\n\n\t\t// no flipping for cube textures\n\t\t// (also flipping doesn't work for compressed textures )\n\n\t\tthis.flipY = false;\n\n\t\t// can't generate mipmaps for compressed textures\n\t\t// mips must be embedded in DDS files\n\n\t\tthis.generateMipmaps = false;\n\n\t}\n\n}\n\nclass CompressedArrayTexture extends CompressedTexture {\n\n\tconstructor( mipmaps, width, height, depth, format, type ) {\n\n\t\tsuper( mipmaps, width, height, format, type );\n\n\t\tthis.isCompressedArrayTexture = true;\n\t\tthis.image.depth = depth;\n\t\tthis.wrapR = ClampToEdgeWrapping;\n\n\t\tthis.layerUpdates = new Set();\n\n\t}\n\n\taddLayerUpdate( layerIndex ) {\n\n\t\tthis.layerUpdates.add( layerIndex );\n\n\t}\n\n\tclearLayerUpdates() {\n\n\t\tthis.layerUpdates.clear();\n\n\t}\n\n}\n\nclass CompressedCubeTexture extends CompressedTexture {\n\n\tconstructor( images, format, type ) {\n\n\t\tsuper( undefined, images[ 0 ].width, images[ 0 ].height, format, type, CubeReflectionMapping );\n\n\t\tthis.isCompressedCubeTexture = true;\n\t\tthis.isCubeTexture = true;\n\n\t\tthis.image = images;\n\n\t}\n\n}\n\nclass CanvasTexture extends Texture {\n\n\tconstructor( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tsuper( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.isCanvasTexture = true;\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nclass DepthTexture extends Texture {\n\n\tconstructor( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format = DepthFormat ) {\n\n\t\tif ( format !== DepthFormat && format !== DepthStencilFormat ) {\n\n\t\t\tthrow new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' );\n\n\t\t}\n\n\t\tif ( type === undefined && format === DepthFormat ) type = UnsignedIntType;\n\t\tif ( type === undefined && format === DepthStencilFormat ) type = UnsignedInt248Type;\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.isDepthTexture = true;\n\n\t\tthis.image = { width: width, height: height };\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : NearestFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : NearestFilter;\n\n\t\tthis.flipY = false;\n\t\tthis.generateMipmaps = false;\n\n\t\tthis.compareFunction = null;\n\n\t}\n\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.compareFunction = source.compareFunction;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tif ( this.compareFunction !== null ) data.compareFunction = this.compareFunction;\n\n\t\treturn data;\n\n\t}\n\n}\n\n/**\n * Extensible curve object.\n *\n * Some common of curve methods:\n * .getPoint( t, optionalTarget ), .getTangent( t, optionalTarget )\n * .getPointAt( u, optionalTarget ), .getTangentAt( u, optionalTarget )\n * .getPoints(), .getSpacedPoints()\n * .getLength()\n * .updateArcLengths()\n *\n * This following curves inherit from THREE.Curve:\n *\n * -- 2D curves --\n * THREE.ArcCurve\n * THREE.CubicBezierCurve\n * THREE.EllipseCurve\n * THREE.LineCurve\n * THREE.QuadraticBezierCurve\n * THREE.SplineCurve\n *\n * -- 3D curves --\n * THREE.CatmullRomCurve3\n * THREE.CubicBezierCurve3\n * THREE.LineCurve3\n * THREE.QuadraticBezierCurve3\n *\n * A series of curves can be represented as a THREE.CurvePath.\n *\n **/\n\nclass Curve {\n\n\tconstructor() {\n\n\t\tthis.type = 'Curve';\n\n\t\tthis.arcLengthDivisions = 200;\n\n\t}\n\n\t// Virtual base class method to overwrite and implement in subclasses\n\t//\t- t [0 .. 1]\n\n\tgetPoint( /* t, optionalTarget */ ) {\n\n\t\tconsole.warn( 'THREE.Curve: .getPoint() not implemented.' );\n\t\treturn null;\n\n\t}\n\n\t// Get point at relative position in curve according to arc length\n\t// - u [0 .. 1]\n\n\tgetPointAt( u, optionalTarget ) {\n\n\t\tconst t = this.getUtoTmapping( u );\n\t\treturn this.getPoint( t, optionalTarget );\n\n\t}\n\n\t// Get sequence of points using getPoint( t )\n\n\tgetPoints( divisions = 5 ) {\n\n\t\tconst points = [];\n\n\t\tfor ( let d = 0; d <= divisions; d ++ ) {\n\n\t\t\tpoints.push( this.getPoint( d / divisions ) );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\t// Get sequence of points using getPointAt( u )\n\n\tgetSpacedPoints( divisions = 5 ) {\n\n\t\tconst points = [];\n\n\t\tfor ( let d = 0; d <= divisions; d ++ ) {\n\n\t\t\tpoints.push( this.getPointAt( d / divisions ) );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\t// Get total curve arc length\n\n\tgetLength() {\n\n\t\tconst lengths = this.getLengths();\n\t\treturn lengths[ lengths.length - 1 ];\n\n\t}\n\n\t// Get list of cumulative segment lengths\n\n\tgetLengths( divisions = this.arcLengthDivisions ) {\n\n\t\tif ( this.cacheArcLengths &&\n\t\t\t( this.cacheArcLengths.length === divisions + 1 ) &&\n\t\t\t! this.needsUpdate ) {\n\n\t\t\treturn this.cacheArcLengths;\n\n\t\t}\n\n\t\tthis.needsUpdate = false;\n\n\t\tconst cache = [];\n\t\tlet current, last = this.getPoint( 0 );\n\t\tlet sum = 0;\n\n\t\tcache.push( 0 );\n\n\t\tfor ( let p = 1; p <= divisions; p ++ ) {\n\n\t\t\tcurrent = this.getPoint( p / divisions );\n\t\t\tsum += current.distanceTo( last );\n\t\t\tcache.push( sum );\n\t\t\tlast = current;\n\n\t\t}\n\n\t\tthis.cacheArcLengths = cache;\n\n\t\treturn cache; // { sums: cache, sum: sum }; Sum is in the last element.\n\n\t}\n\n\tupdateArcLengths() {\n\n\t\tthis.needsUpdate = true;\n\t\tthis.getLengths();\n\n\t}\n\n\t// Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant\n\n\tgetUtoTmapping( u, distance ) {\n\n\t\tconst arcLengths = this.getLengths();\n\n\t\tlet i = 0;\n\t\tconst il = arcLengths.length;\n\n\t\tlet targetArcLength; // The targeted u distance value to get\n\n\t\tif ( distance ) {\n\n\t\t\ttargetArcLength = distance;\n\n\t\t} else {\n\n\t\t\ttargetArcLength = u * arcLengths[ il - 1 ];\n\n\t\t}\n\n\t\t// binary search for the index with largest value smaller than target u distance\n\n\t\tlet low = 0, high = il - 1, comparison;\n\n\t\twhile ( low <= high ) {\n\n\t\t\ti = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats\n\n\t\t\tcomparison = arcLengths[ i ] - targetArcLength;\n\n\t\t\tif ( comparison < 0 ) {\n\n\t\t\t\tlow = i + 1;\n\n\t\t\t} else if ( comparison > 0 ) {\n\n\t\t\t\thigh = i - 1;\n\n\t\t\t} else {\n\n\t\t\t\thigh = i;\n\t\t\t\tbreak;\n\n\t\t\t\t// DONE\n\n\t\t\t}\n\n\t\t}\n\n\t\ti = high;\n\n\t\tif ( arcLengths[ i ] === targetArcLength ) {\n\n\t\t\treturn i / ( il - 1 );\n\n\t\t}\n\n\t\t// we could get finer grain at lengths, or use simple interpolation between two points\n\n\t\tconst lengthBefore = arcLengths[ i ];\n\t\tconst lengthAfter = arcLengths[ i + 1 ];\n\n\t\tconst segmentLength = lengthAfter - lengthBefore;\n\n\t\t// determine where we are between the 'before' and 'after' points\n\n\t\tconst segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength;\n\n\t\t// add that fractional amount to t\n\n\t\tconst t = ( i + segmentFraction ) / ( il - 1 );\n\n\t\treturn t;\n\n\t}\n\n\t// Returns a unit vector tangent at t\n\t// In case any sub curve does not implement its tangent derivation,\n\t// 2 points a small delta apart will be used to find its gradient\n\t// which seems to give a reasonable approximation\n\n\tgetTangent( t, optionalTarget ) {\n\n\t\tconst delta = 0.0001;\n\t\tlet t1 = t - delta;\n\t\tlet t2 = t + delta;\n\n\t\t// Capping in case of danger\n\n\t\tif ( t1 < 0 ) t1 = 0;\n\t\tif ( t2 > 1 ) t2 = 1;\n\n\t\tconst pt1 = this.getPoint( t1 );\n\t\tconst pt2 = this.getPoint( t2 );\n\n\t\tconst tangent = optionalTarget || ( ( pt1.isVector2 ) ? new Vector2() : new Vector3() );\n\n\t\ttangent.copy( pt2 ).sub( pt1 ).normalize();\n\n\t\treturn tangent;\n\n\t}\n\n\tgetTangentAt( u, optionalTarget ) {\n\n\t\tconst t = this.getUtoTmapping( u );\n\t\treturn this.getTangent( t, optionalTarget );\n\n\t}\n\n\tcomputeFrenetFrames( segments, closed ) {\n\n\t\t// see http://www.cs.indiana.edu/pub/techreports/TR425.pdf\n\n\t\tconst normal = new Vector3();\n\n\t\tconst tangents = [];\n\t\tconst normals = [];\n\t\tconst binormals = [];\n\n\t\tconst vec = new Vector3();\n\t\tconst mat = new Matrix4();\n\n\t\t// compute the tangent vectors for each segment on the curve\n\n\t\tfor ( let i = 0; i <= segments; i ++ ) {\n\n\t\t\tconst u = i / segments;\n\n\t\t\ttangents[ i ] = this.getTangentAt( u, new Vector3() );\n\n\t\t}\n\n\t\t// select an initial normal vector perpendicular to the first tangent vector,\n\t\t// and in the direction of the minimum tangent xyz component\n\n\t\tnormals[ 0 ] = new Vector3();\n\t\tbinormals[ 0 ] = new Vector3();\n\t\tlet min = Number.MAX_VALUE;\n\t\tconst tx = Math.abs( tangents[ 0 ].x );\n\t\tconst ty = Math.abs( tangents[ 0 ].y );\n\t\tconst tz = Math.abs( tangents[ 0 ].z );\n\n\t\tif ( tx <= min ) {\n\n\t\t\tmin = tx;\n\t\t\tnormal.set( 1, 0, 0 );\n\n\t\t}\n\n\t\tif ( ty <= min ) {\n\n\t\t\tmin = ty;\n\t\t\tnormal.set( 0, 1, 0 );\n\n\t\t}\n\n\t\tif ( tz <= min ) {\n\n\t\t\tnormal.set( 0, 0, 1 );\n\n\t\t}\n\n\t\tvec.crossVectors( tangents[ 0 ], normal ).normalize();\n\n\t\tnormals[ 0 ].crossVectors( tangents[ 0 ], vec );\n\t\tbinormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] );\n\n\n\t\t// compute the slowly-varying normal and binormal vectors for each segment on the curve\n\n\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\tnormals[ i ] = normals[ i - 1 ].clone();\n\n\t\t\tbinormals[ i ] = binormals[ i - 1 ].clone();\n\n\t\t\tvec.crossVectors( tangents[ i - 1 ], tangents[ i ] );\n\n\t\t\tif ( vec.length() > Number.EPSILON ) {\n\n\t\t\t\tvec.normalize();\n\n\t\t\t\tconst theta = Math.acos( clamp( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors\n\n\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) );\n\n\t\t\t}\n\n\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t}\n\n\t\t// if the curve is closed, postprocess the vectors so the first and last normal vectors are the same\n\n\t\tif ( closed === true ) {\n\n\t\t\tlet theta = Math.acos( clamp( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) );\n\t\t\ttheta /= segments;\n\n\t\t\tif ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) {\n\n\t\t\t\ttheta = - theta;\n\n\t\t\t}\n\n\t\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\t\t// twist a little...\n\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) );\n\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn {\n\t\t\ttangents: tangents,\n\t\t\tnormals: normals,\n\t\t\tbinormals: binormals\n\t\t};\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.arcLengthDivisions = source.arcLengthDivisions;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.6,\n\t\t\t\ttype: 'Curve',\n\t\t\t\tgenerator: 'Curve.toJSON'\n\t\t\t}\n\t\t};\n\n\t\tdata.arcLengthDivisions = this.arcLengthDivisions;\n\t\tdata.type = this.type;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tthis.arcLengthDivisions = json.arcLengthDivisions;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass EllipseCurve extends Curve {\n\n\tconstructor( aX = 0, aY = 0, xRadius = 1, yRadius = 1, aStartAngle = 0, aEndAngle = Math.PI * 2, aClockwise = false, aRotation = 0 ) {\n\n\t\tsuper();\n\n\t\tthis.isEllipseCurve = true;\n\n\t\tthis.type = 'EllipseCurve';\n\n\t\tthis.aX = aX;\n\t\tthis.aY = aY;\n\n\t\tthis.xRadius = xRadius;\n\t\tthis.yRadius = yRadius;\n\n\t\tthis.aStartAngle = aStartAngle;\n\t\tthis.aEndAngle = aEndAngle;\n\n\t\tthis.aClockwise = aClockwise;\n\n\t\tthis.aRotation = aRotation;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst twoPi = Math.PI * 2;\n\t\tlet deltaAngle = this.aEndAngle - this.aStartAngle;\n\t\tconst samePoints = Math.abs( deltaAngle ) < Number.EPSILON;\n\n\t\t// ensures that deltaAngle is 0 .. 2 PI\n\t\twhile ( deltaAngle < 0 ) deltaAngle += twoPi;\n\t\twhile ( deltaAngle > twoPi ) deltaAngle -= twoPi;\n\n\t\tif ( deltaAngle < Number.EPSILON ) {\n\n\t\t\tif ( samePoints ) {\n\n\t\t\t\tdeltaAngle = 0;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.aClockwise === true && ! samePoints ) {\n\n\t\t\tif ( deltaAngle === twoPi ) {\n\n\t\t\t\tdeltaAngle = - twoPi;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = deltaAngle - twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst angle = this.aStartAngle + t * deltaAngle;\n\t\tlet x = this.aX + this.xRadius * Math.cos( angle );\n\t\tlet y = this.aY + this.yRadius * Math.sin( angle );\n\n\t\tif ( this.aRotation !== 0 ) {\n\n\t\t\tconst cos = Math.cos( this.aRotation );\n\t\t\tconst sin = Math.sin( this.aRotation );\n\n\t\t\tconst tx = x - this.aX;\n\t\t\tconst ty = y - this.aY;\n\n\t\t\t// Rotate the point about the center of the ellipse.\n\t\t\tx = tx * cos - ty * sin + this.aX;\n\t\t\ty = tx * sin + ty * cos + this.aY;\n\n\t\t}\n\n\t\treturn point.set( x, y );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.aX = source.aX;\n\t\tthis.aY = source.aY;\n\n\t\tthis.xRadius = source.xRadius;\n\t\tthis.yRadius = source.yRadius;\n\n\t\tthis.aStartAngle = source.aStartAngle;\n\t\tthis.aEndAngle = source.aEndAngle;\n\n\t\tthis.aClockwise = source.aClockwise;\n\n\t\tthis.aRotation = source.aRotation;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.aX = this.aX;\n\t\tdata.aY = this.aY;\n\n\t\tdata.xRadius = this.xRadius;\n\t\tdata.yRadius = this.yRadius;\n\n\t\tdata.aStartAngle = this.aStartAngle;\n\t\tdata.aEndAngle = this.aEndAngle;\n\n\t\tdata.aClockwise = this.aClockwise;\n\n\t\tdata.aRotation = this.aRotation;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.aX = json.aX;\n\t\tthis.aY = json.aY;\n\n\t\tthis.xRadius = json.xRadius;\n\t\tthis.yRadius = json.yRadius;\n\n\t\tthis.aStartAngle = json.aStartAngle;\n\t\tthis.aEndAngle = json.aEndAngle;\n\n\t\tthis.aClockwise = json.aClockwise;\n\n\t\tthis.aRotation = json.aRotation;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass ArcCurve extends EllipseCurve {\n\n\tconstructor( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tsuper( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\tthis.isArcCurve = true;\n\n\t\tthis.type = 'ArcCurve';\n\n\t}\n\n}\n\n/**\n * Centripetal CatmullRom Curve - which is useful for avoiding\n * cusps and self-intersections in non-uniform catmull rom curves.\n * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf\n *\n * curve.type accepts centripetal(default), chordal and catmullrom\n * curve.tension is used for catmullrom which defaults to 0.5\n */\n\n\n/*\nBased on an optimized c++ solution in\n - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/\n - http://ideone.com/NoEbVM\n\nThis CubicPoly class could be used for reusing some variables and calculations,\nbut for three.js curve use, it could be possible inlined and flatten into a single function call\nwhich can be placed in CurveUtils.\n*/\n\nfunction CubicPoly() {\n\n\tlet c0 = 0, c1 = 0, c2 = 0, c3 = 0;\n\n\t/*\n\t * Compute coefficients for a cubic polynomial\n\t * p(s) = c0 + c1*s + c2*s^2 + c3*s^3\n\t * such that\n\t * p(0) = x0, p(1) = x1\n\t * and\n\t * p'(0) = t0, p'(1) = t1.\n\t */\n\tfunction init( x0, x1, t0, t1 ) {\n\n\t\tc0 = x0;\n\t\tc1 = t0;\n\t\tc2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1;\n\t\tc3 = 2 * x0 - 2 * x1 + t0 + t1;\n\n\t}\n\n\treturn {\n\n\t\tinitCatmullRom: function ( x0, x1, x2, x3, tension ) {\n\n\t\t\tinit( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) );\n\n\t\t},\n\n\t\tinitNonuniformCatmullRom: function ( x0, x1, x2, x3, dt0, dt1, dt2 ) {\n\n\t\t\t// compute tangents when parameterized in [t1,t2]\n\t\t\tlet t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1;\n\t\t\tlet t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2;\n\n\t\t\t// rescale tangents for parametrization in [0,1]\n\t\t\tt1 *= dt1;\n\t\t\tt2 *= dt1;\n\n\t\t\tinit( x1, x2, t1, t2 );\n\n\t\t},\n\n\t\tcalc: function ( t ) {\n\n\t\t\tconst t2 = t * t;\n\t\t\tconst t3 = t2 * t;\n\t\t\treturn c0 + c1 * t + c2 * t2 + c3 * t3;\n\n\t\t}\n\n\t};\n\n}\n\n//\n\nconst tmp = /*@__PURE__*/ new Vector3();\nconst px = /*@__PURE__*/ new CubicPoly();\nconst py = /*@__PURE__*/ new CubicPoly();\nconst pz = /*@__PURE__*/ new CubicPoly();\n\nclass CatmullRomCurve3 extends Curve {\n\n\tconstructor( points = [], closed = false, curveType = 'centripetal', tension = 0.5 ) {\n\n\t\tsuper();\n\n\t\tthis.isCatmullRomCurve3 = true;\n\n\t\tthis.type = 'CatmullRomCurve3';\n\n\t\tthis.points = points;\n\t\tthis.closed = closed;\n\t\tthis.curveType = curveType;\n\t\tthis.tension = tension;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst points = this.points;\n\t\tconst l = points.length;\n\n\t\tconst p = ( l - ( this.closed ? 0 : 1 ) ) * t;\n\t\tlet intPoint = Math.floor( p );\n\t\tlet weight = p - intPoint;\n\n\t\tif ( this.closed ) {\n\n\t\t\tintPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / l ) + 1 ) * l;\n\n\t\t} else if ( weight === 0 && intPoint === l - 1 ) {\n\n\t\t\tintPoint = l - 2;\n\t\t\tweight = 1;\n\n\t\t}\n\n\t\tlet p0, p3; // 4 points (p1 & p2 defined below)\n\n\t\tif ( this.closed || intPoint > 0 ) {\n\n\t\t\tp0 = points[ ( intPoint - 1 ) % l ];\n\n\t\t} else {\n\n\t\t\t// extrapolate first point\n\t\t\ttmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] );\n\t\t\tp0 = tmp;\n\n\t\t}\n\n\t\tconst p1 = points[ intPoint % l ];\n\t\tconst p2 = points[ ( intPoint + 1 ) % l ];\n\n\t\tif ( this.closed || intPoint + 2 < l ) {\n\n\t\t\tp3 = points[ ( intPoint + 2 ) % l ];\n\n\t\t} else {\n\n\t\t\t// extrapolate last point\n\t\t\ttmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] );\n\t\t\tp3 = tmp;\n\n\t\t}\n\n\t\tif ( this.curveType === 'centripetal' || this.curveType === 'chordal' ) {\n\n\t\t\t// init Centripetal / Chordal Catmull-Rom\n\t\t\tconst pow = this.curveType === 'chordal' ? 0.5 : 0.25;\n\t\t\tlet dt0 = Math.pow( p0.distanceToSquared( p1 ), pow );\n\t\t\tlet dt1 = Math.pow( p1.distanceToSquared( p2 ), pow );\n\t\t\tlet dt2 = Math.pow( p2.distanceToSquared( p3 ), pow );\n\n\t\t\t// safety check for repeated points\n\t\t\tif ( dt1 < 1e-4 ) dt1 = 1.0;\n\t\t\tif ( dt0 < 1e-4 ) dt0 = dt1;\n\t\t\tif ( dt2 < 1e-4 ) dt2 = dt1;\n\n\t\t\tpx.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 );\n\t\t\tpy.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 );\n\t\t\tpz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 );\n\n\t\t} else if ( this.curveType === 'catmullrom' ) {\n\n\t\t\tpx.initCatmullRom( p0.x, p1.x, p2.x, p3.x, this.tension );\n\t\t\tpy.initCatmullRom( p0.y, p1.y, p2.y, p3.y, this.tension );\n\t\t\tpz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, this.tension );\n\n\t\t}\n\n\t\tpoint.set(\n\t\t\tpx.calc( weight ),\n\t\t\tpy.calc( weight ),\n\t\t\tpz.calc( weight )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = source.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = source.points[ i ];\n\n\t\t\tthis.points.push( point.clone() );\n\n\t\t}\n\n\t\tthis.closed = source.closed;\n\t\tthis.curveType = source.curveType;\n\t\tthis.tension = source.tension;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.points = [];\n\n\t\tfor ( let i = 0, l = this.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = this.points[ i ];\n\t\t\tdata.points.push( point.toArray() );\n\n\t\t}\n\n\t\tdata.closed = this.closed;\n\t\tdata.curveType = this.curveType;\n\t\tdata.tension = this.tension;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = json.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = json.points[ i ];\n\t\t\tthis.points.push( new Vector3().fromArray( point ) );\n\n\t\t}\n\n\t\tthis.closed = json.closed;\n\t\tthis.curveType = json.curveType;\n\t\tthis.tension = json.tension;\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * Bezier Curves formulas obtained from\n * https://en.wikipedia.org/wiki/B%C3%A9zier_curve\n */\n\nfunction CatmullRom( t, p0, p1, p2, p3 ) {\n\n\tconst v0 = ( p2 - p0 ) * 0.5;\n\tconst v1 = ( p3 - p1 ) * 0.5;\n\tconst t2 = t * t;\n\tconst t3 = t * t2;\n\treturn ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n}\n\n//\n\nfunction QuadraticBezierP0( t, p ) {\n\n\tconst k = 1 - t;\n\treturn k * k * p;\n\n}\n\nfunction QuadraticBezierP1( t, p ) {\n\n\treturn 2 * ( 1 - t ) * t * p;\n\n}\n\nfunction QuadraticBezierP2( t, p ) {\n\n\treturn t * t * p;\n\n}\n\nfunction QuadraticBezier( t, p0, p1, p2 ) {\n\n\treturn QuadraticBezierP0( t, p0 ) + QuadraticBezierP1( t, p1 ) +\n\t\tQuadraticBezierP2( t, p2 );\n\n}\n\n//\n\nfunction CubicBezierP0( t, p ) {\n\n\tconst k = 1 - t;\n\treturn k * k * k * p;\n\n}\n\nfunction CubicBezierP1( t, p ) {\n\n\tconst k = 1 - t;\n\treturn 3 * k * k * t * p;\n\n}\n\nfunction CubicBezierP2( t, p ) {\n\n\treturn 3 * ( 1 - t ) * t * t * p;\n\n}\n\nfunction CubicBezierP3( t, p ) {\n\n\treturn t * t * t * p;\n\n}\n\nfunction CubicBezier( t, p0, p1, p2, p3 ) {\n\n\treturn CubicBezierP0( t, p0 ) + CubicBezierP1( t, p1 ) + CubicBezierP2( t, p2 ) +\n\t\tCubicBezierP3( t, p3 );\n\n}\n\nclass CubicBezierCurve extends Curve {\n\n\tconstructor( v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2(), v3 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\tthis.isCubicBezierCurve = true;\n\n\t\tthis.type = 'CubicBezierCurve';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\t\tthis.v3 = v3;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3;\n\n\t\tpoint.set(\n\t\t\tCubicBezier( t, v0.x, v1.x, v2.x, v3.x ),\n\t\t\tCubicBezier( t, v0.y, v1.y, v2.y, v3.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\t\tthis.v3.copy( source.v3 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\t\tdata.v3 = this.v3.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\t\tthis.v3.fromArray( json.v3 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass CubicBezierCurve3 extends Curve {\n\n\tconstructor( v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3(), v3 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\tthis.isCubicBezierCurve3 = true;\n\n\t\tthis.type = 'CubicBezierCurve3';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\t\tthis.v3 = v3;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3;\n\n\t\tpoint.set(\n\t\t\tCubicBezier( t, v0.x, v1.x, v2.x, v3.x ),\n\t\t\tCubicBezier( t, v0.y, v1.y, v2.y, v3.y ),\n\t\t\tCubicBezier( t, v0.z, v1.z, v2.z, v3.z )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\t\tthis.v3.copy( source.v3 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\t\tdata.v3 = this.v3.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\t\tthis.v3.fromArray( json.v3 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass LineCurve extends Curve {\n\n\tconstructor( v1 = new Vector2(), v2 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\tthis.isLineCurve = true;\n\n\t\tthis.type = 'LineCurve';\n\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tif ( t === 1 ) {\n\n\t\t\tpoint.copy( this.v2 );\n\n\t\t} else {\n\n\t\t\tpoint.copy( this.v2 ).sub( this.v1 );\n\t\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\t}\n\n\t\treturn point;\n\n\t}\n\n\t// Line curve is linear, so we can overwrite default getPointAt\n\tgetPointAt( u, optionalTarget ) {\n\n\t\treturn this.getPoint( u, optionalTarget );\n\n\t}\n\n\tgetTangent( t, optionalTarget = new Vector2() ) {\n\n\t\treturn optionalTarget.subVectors( this.v2, this.v1 ).normalize();\n\n\t}\n\n\tgetTangentAt( u, optionalTarget ) {\n\n\t\treturn this.getTangent( u, optionalTarget );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass LineCurve3 extends Curve {\n\n\tconstructor( v1 = new Vector3(), v2 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\tthis.isLineCurve3 = true;\n\n\t\tthis.type = 'LineCurve3';\n\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tif ( t === 1 ) {\n\n\t\t\tpoint.copy( this.v2 );\n\n\t\t} else {\n\n\t\t\tpoint.copy( this.v2 ).sub( this.v1 );\n\t\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\t}\n\n\t\treturn point;\n\n\t}\n\n\t// Line curve is linear, so we can overwrite default getPointAt\n\tgetPointAt( u, optionalTarget ) {\n\n\t\treturn this.getPoint( u, optionalTarget );\n\n\t}\n\n\tgetTangent( t, optionalTarget = new Vector3() ) {\n\n\t\treturn optionalTarget.subVectors( this.v2, this.v1 ).normalize();\n\n\t}\n\n\tgetTangentAt( u, optionalTarget ) {\n\n\t\treturn this.getTangent( u, optionalTarget );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass QuadraticBezierCurve extends Curve {\n\n\tconstructor( v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\tthis.isQuadraticBezierCurve = true;\n\n\t\tthis.type = 'QuadraticBezierCurve';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2;\n\n\t\tpoint.set(\n\t\t\tQuadraticBezier( t, v0.x, v1.x, v2.x ),\n\t\t\tQuadraticBezier( t, v0.y, v1.y, v2.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass QuadraticBezierCurve3 extends Curve {\n\n\tconstructor( v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\tthis.isQuadraticBezierCurve3 = true;\n\n\t\tthis.type = 'QuadraticBezierCurve3';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2;\n\n\t\tpoint.set(\n\t\t\tQuadraticBezier( t, v0.x, v1.x, v2.x ),\n\t\t\tQuadraticBezier( t, v0.y, v1.y, v2.y ),\n\t\t\tQuadraticBezier( t, v0.z, v1.z, v2.z )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass SplineCurve extends Curve {\n\n\tconstructor( points = [] ) {\n\n\t\tsuper();\n\n\t\tthis.isSplineCurve = true;\n\n\t\tthis.type = 'SplineCurve';\n\n\t\tthis.points = points;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst points = this.points;\n\t\tconst p = ( points.length - 1 ) * t;\n\n\t\tconst intPoint = Math.floor( p );\n\t\tconst weight = p - intPoint;\n\n\t\tconst p0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ];\n\t\tconst p1 = points[ intPoint ];\n\t\tconst p2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\tconst p3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\tpoint.set(\n\t\t\tCatmullRom( weight, p0.x, p1.x, p2.x, p3.x ),\n\t\t\tCatmullRom( weight, p0.y, p1.y, p2.y, p3.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = source.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = source.points[ i ];\n\n\t\t\tthis.points.push( point.clone() );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.points = [];\n\n\t\tfor ( let i = 0, l = this.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = this.points[ i ];\n\t\t\tdata.points.push( point.toArray() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = json.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = json.points[ i ];\n\t\t\tthis.points.push( new Vector2().fromArray( point ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nvar Curves = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tArcCurve: ArcCurve,\n\tCatmullRomCurve3: CatmullRomCurve3,\n\tCubicBezierCurve: CubicBezierCurve,\n\tCubicBezierCurve3: CubicBezierCurve3,\n\tEllipseCurve: EllipseCurve,\n\tLineCurve: LineCurve,\n\tLineCurve3: LineCurve3,\n\tQuadraticBezierCurve: QuadraticBezierCurve,\n\tQuadraticBezierCurve3: QuadraticBezierCurve3,\n\tSplineCurve: SplineCurve\n});\n\n/**************************************************************\n *\tCurved Path - a curve path is simply a array of connected\n * curves, but retains the api of a curve\n **************************************************************/\n\nclass CurvePath extends Curve {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'CurvePath';\n\n\t\tthis.curves = [];\n\t\tthis.autoClose = false; // Automatically closes the path\n\n\t}\n\n\tadd( curve ) {\n\n\t\tthis.curves.push( curve );\n\n\t}\n\n\tclosePath() {\n\n\t\t// Add a line curve if start and end of lines are not connected\n\t\tconst startPoint = this.curves[ 0 ].getPoint( 0 );\n\t\tconst endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 );\n\n\t\tif ( ! startPoint.equals( endPoint ) ) {\n\n\t\t\tconst lineType = ( startPoint.isVector2 === true ) ? 'LineCurve' : 'LineCurve3';\n\t\t\tthis.curves.push( new Curves[ lineType ]( endPoint, startPoint ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// To get accurate point with reference to\n\t// entire path distance at time t,\n\t// following has to be done:\n\n\t// 1. Length of each sub path have to be known\n\t// 2. Locate and identify type of curve\n\t// 3. Get t for the curve\n\t// 4. Return curve.getPointAt(t')\n\n\tgetPoint( t, optionalTarget ) {\n\n\t\tconst d = t * this.getLength();\n\t\tconst curveLengths = this.getCurveLengths();\n\t\tlet i = 0;\n\n\t\t// To think about boundaries points.\n\n\t\twhile ( i < curveLengths.length ) {\n\n\t\t\tif ( curveLengths[ i ] >= d ) {\n\n\t\t\t\tconst diff = curveLengths[ i ] - d;\n\t\t\t\tconst curve = this.curves[ i ];\n\n\t\t\t\tconst segmentLength = curve.getLength();\n\t\t\t\tconst u = segmentLength === 0 ? 0 : 1 - diff / segmentLength;\n\n\t\t\t\treturn curve.getPointAt( u, optionalTarget );\n\n\t\t\t}\n\n\t\t\ti ++;\n\n\t\t}\n\n\t\treturn null;\n\n\t\t// loop where sum != 0, sum > d , sum+1 1 && ! points[ points.length - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\tpoints.push( points[ 0 ] );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.curves = [];\n\n\t\tfor ( let i = 0, l = source.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = source.curves[ i ];\n\n\t\t\tthis.curves.push( curve.clone() );\n\n\t\t}\n\n\t\tthis.autoClose = source.autoClose;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.autoClose = this.autoClose;\n\t\tdata.curves = [];\n\n\t\tfor ( let i = 0, l = this.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = this.curves[ i ];\n\t\t\tdata.curves.push( curve.toJSON() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.autoClose = json.autoClose;\n\t\tthis.curves = [];\n\n\t\tfor ( let i = 0, l = json.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = json.curves[ i ];\n\t\t\tthis.curves.push( new Curves[ curve.type ]().fromJSON( curve ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass Path extends CurvePath {\n\n\tconstructor( points ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Path';\n\n\t\tthis.currentPoint = new Vector2();\n\n\t\tif ( points ) {\n\n\t\t\tthis.setFromPoints( points );\n\n\t\t}\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tthis.moveTo( points[ 0 ].x, points[ 0 ].y );\n\n\t\tfor ( let i = 1, l = points.length; i < l; i ++ ) {\n\n\t\t\tthis.lineTo( points[ i ].x, points[ i ].y );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tmoveTo( x, y ) {\n\n\t\tthis.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying?\n\n\t\treturn this;\n\n\t}\n\n\tlineTo( x, y ) {\n\n\t\tconst curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) );\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( x, y );\n\n\t\treturn this;\n\n\t}\n\n\tquadraticCurveTo( aCPx, aCPy, aX, aY ) {\n\n\t\tconst curve = new QuadraticBezierCurve(\n\t\t\tthis.currentPoint.clone(),\n\t\t\tnew Vector2( aCPx, aCPy ),\n\t\t\tnew Vector2( aX, aY )\n\t\t);\n\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tbezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\tconst curve = new CubicBezierCurve(\n\t\t\tthis.currentPoint.clone(),\n\t\t\tnew Vector2( aCP1x, aCP1y ),\n\t\t\tnew Vector2( aCP2x, aCP2y ),\n\t\t\tnew Vector2( aX, aY )\n\t\t);\n\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tsplineThru( pts /*Array of Vector*/ ) {\n\n\t\tconst npts = [ this.currentPoint.clone() ].concat( pts );\n\n\t\tconst curve = new SplineCurve( npts );\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.copy( pts[ pts.length - 1 ] );\n\n\t\treturn this;\n\n\t}\n\n\tarc( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tconst x0 = this.currentPoint.x;\n\t\tconst y0 = this.currentPoint.y;\n\n\t\tthis.absarc( aX + x0, aY + y0, aRadius,\n\t\t\taStartAngle, aEndAngle, aClockwise );\n\n\t\treturn this;\n\n\t}\n\n\tabsarc( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tthis.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\treturn this;\n\n\t}\n\n\tellipse( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tconst x0 = this.currentPoint.x;\n\t\tconst y0 = this.currentPoint.y;\n\n\t\tthis.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\treturn this;\n\n\t}\n\n\tabsellipse( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tconst curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\tif ( this.curves.length > 0 ) {\n\n\t\t\t// if a previous curve is present, attempt to join\n\t\t\tconst firstPoint = curve.getPoint( 0 );\n\n\t\t\tif ( ! firstPoint.equals( this.currentPoint ) ) {\n\n\t\t\t\tthis.lineTo( firstPoint.x, firstPoint.y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.curves.push( curve );\n\n\t\tconst lastPoint = curve.getPoint( 1 );\n\t\tthis.currentPoint.copy( lastPoint );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.currentPoint.copy( source.currentPoint );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.currentPoint = this.currentPoint.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.currentPoint.fromArray( json.currentPoint );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass LatheGeometry extends BufferGeometry {\n\n\tconstructor( points = [ new Vector2( 0, - 0.5 ), new Vector2( 0.5, 0 ), new Vector2( 0, 0.5 ) ], segments = 12, phiStart = 0, phiLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LatheGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tsegments = Math.floor( segments );\n\n\t\t// clamp phiLength so it's in range of [ 0, 2PI ]\n\n\t\tphiLength = clamp( phiLength, 0, Math.PI * 2 );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst uvs = [];\n\t\tconst initNormals = [];\n\t\tconst normals = [];\n\n\t\t// helper variables\n\n\t\tconst inverseSegments = 1.0 / segments;\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\t\tconst normal = new Vector3();\n\t\tconst curNormal = new Vector3();\n\t\tconst prevNormal = new Vector3();\n\t\tlet dx = 0;\n\t\tlet dy = 0;\n\n\t\t// pre-compute normals for initial \"meridian\"\n\n\t\tfor ( let j = 0; j <= ( points.length - 1 ); j ++ ) {\n\n\t\t\tswitch ( j ) {\n\n\t\t\t\tcase 0:\t\t\t\t// special handling for 1st vertex on path\n\n\t\t\t\t\tdx = points[ j + 1 ].x - points[ j ].x;\n\t\t\t\t\tdy = points[ j + 1 ].y - points[ j ].y;\n\n\t\t\t\t\tnormal.x = dy * 1.0;\n\t\t\t\t\tnormal.y = - dx;\n\t\t\t\t\tnormal.z = dy * 0.0;\n\n\t\t\t\t\tprevNormal.copy( normal );\n\n\t\t\t\t\tnormal.normalize();\n\n\t\t\t\t\tinitNormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase ( points.length - 1 ):\t// special handling for last Vertex on path\n\n\t\t\t\t\tinitNormals.push( prevNormal.x, prevNormal.y, prevNormal.z );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\t\t\t// default handling for all vertices in between\n\n\t\t\t\t\tdx = points[ j + 1 ].x - points[ j ].x;\n\t\t\t\t\tdy = points[ j + 1 ].y - points[ j ].y;\n\n\t\t\t\t\tnormal.x = dy * 1.0;\n\t\t\t\t\tnormal.y = - dx;\n\t\t\t\t\tnormal.z = dy * 0.0;\n\n\t\t\t\t\tcurNormal.copy( normal );\n\n\t\t\t\t\tnormal.x += prevNormal.x;\n\t\t\t\t\tnormal.y += prevNormal.y;\n\t\t\t\t\tnormal.z += prevNormal.z;\n\n\t\t\t\t\tnormal.normalize();\n\n\t\t\t\t\tinitNormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t\tprevNormal.copy( curNormal );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate vertices, uvs and normals\n\n\t\tfor ( let i = 0; i <= segments; i ++ ) {\n\n\t\t\tconst phi = phiStart + i * inverseSegments * phiLength;\n\n\t\t\tconst sin = Math.sin( phi );\n\t\t\tconst cos = Math.cos( phi );\n\n\t\t\tfor ( let j = 0; j <= ( points.length - 1 ); j ++ ) {\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = points[ j ].x * sin;\n\t\t\t\tvertex.y = points[ j ].y;\n\t\t\t\tvertex.z = points[ j ].x * cos;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = i / segments;\n\t\t\t\tuv.y = j / ( points.length - 1 );\n\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t// normal\n\n\t\t\t\tconst x = initNormals[ 3 * j + 0 ] * sin;\n\t\t\t\tconst y = initNormals[ 3 * j + 1 ];\n\t\t\t\tconst z = initNormals[ 3 * j + 0 ] * cos;\n\n\t\t\t\tnormals.push( x, y, z );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let i = 0; i < segments; i ++ ) {\n\n\t\t\tfor ( let j = 0; j < ( points.length - 1 ); j ++ ) {\n\n\t\t\t\tconst base = j + i * points.length;\n\n\t\t\t\tconst a = base;\n\t\t\t\tconst b = base + points.length;\n\t\t\t\tconst c = base + points.length + 1;\n\t\t\t\tconst d = base + 1;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( c, d, b );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new LatheGeometry( data.points, data.segments, data.phiStart, data.phiLength );\n\n\t}\n\n}\n\nclass CapsuleGeometry extends LatheGeometry {\n\n\tconstructor( radius = 1, length = 1, capSegments = 4, radialSegments = 8 ) {\n\n\t\tconst path = new Path();\n\t\tpath.absarc( 0, - length / 2, radius, Math.PI * 1.5, 0 );\n\t\tpath.absarc( 0, length / 2, radius, 0, Math.PI * 0.5 );\n\n\t\tsuper( path.getPoints( capSegments ), radialSegments );\n\n\t\tthis.type = 'CapsuleGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tlength: length,\n\t\t\tcapSegments: capSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new CapsuleGeometry( data.radius, data.length, data.capSegments, data.radialSegments );\n\n\t}\n\n}\n\nclass CircleGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, segments = 32, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CircleGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tsegments = Math.max( 3, segments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\n\t\t// center point\n\n\t\tvertices.push( 0, 0, 0 );\n\t\tnormals.push( 0, 0, 1 );\n\t\tuvs.push( 0.5, 0.5 );\n\n\t\tfor ( let s = 0, i = 3; s <= segments; s ++, i += 3 ) {\n\n\t\t\tconst segment = thetaStart + s / segments * thetaLength;\n\n\t\t\t// vertex\n\n\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\tvertex.y = radius * Math.sin( segment );\n\n\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t// normal\n\n\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t// uvs\n\n\t\t\tuv.x = ( vertices[ i ] / radius + 1 ) / 2;\n\t\t\tuv.y = ( vertices[ i + 1 ] / radius + 1 ) / 2;\n\n\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\tindices.push( i, i + 1, 0 );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new CircleGeometry( data.radius, data.segments, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass CylinderGeometry extends BufferGeometry {\n\n\tconstructor( radiusTop = 1, radiusBottom = 1, height = 1, radialSegments = 32, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CylinderGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tconst scope = this;\n\n\t\tradialSegments = Math.floor( radialSegments );\n\t\theightSegments = Math.floor( heightSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet index = 0;\n\t\tconst indexArray = [];\n\t\tconst halfHeight = height / 2;\n\t\tlet groupStart = 0;\n\n\t\t// generate geometry\n\n\t\tgenerateTorso();\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) generateCap( true );\n\t\t\tif ( radiusBottom > 0 ) generateCap( false );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\tfunction generateTorso() {\n\n\t\t\tconst normal = new Vector3();\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tlet groupCount = 0;\n\n\t\t\t// this will be used to calculate the normal\n\t\t\tconst slope = ( radiusBottom - radiusTop ) / height;\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( let y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\t\tconst indexRow = [];\n\n\t\t\t\tconst v = y / heightSegments;\n\n\t\t\t\t// calculate the radius of the current row\n\n\t\t\t\tconst radius = v * ( radiusBottom - radiusTop ) + radiusTop;\n\n\t\t\t\tfor ( let x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\t\tconst u = x / radialSegments;\n\n\t\t\t\t\tconst theta = u * thetaLength + thetaStart;\n\n\t\t\t\t\tconst sinTheta = Math.sin( theta );\n\t\t\t\t\tconst cosTheta = Math.cos( theta );\n\n\t\t\t\t\t// vertex\n\n\t\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\t\tvertex.y = - v * height + halfHeight;\n\t\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t\t// normal\n\n\t\t\t\t\tnormal.set( sinTheta, slope, cosTheta ).normalize();\n\t\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t\t// uv\n\n\t\t\t\t\tuvs.push( u, 1 - v );\n\n\t\t\t\t\t// save index of vertex in respective row\n\n\t\t\t\t\tindexRow.push( index ++ );\n\n\t\t\t\t}\n\n\t\t\t\t// now save vertices of the row in our index array\n\n\t\t\t\tindexArray.push( indexRow );\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( let x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tfor ( let y = 0; y < heightSegments; y ++ ) {\n\n\t\t\t\t\t// we use the index array to access the correct indices\n\n\t\t\t\t\tconst a = indexArray[ y ][ x ];\n\t\t\t\t\tconst b = indexArray[ y + 1 ][ x ];\n\t\t\t\t\tconst c = indexArray[ y + 1 ][ x + 1 ];\n\t\t\t\t\tconst d = indexArray[ y ][ x + 1 ];\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tif ( radiusTop > 0 || y !== 0 ) {\n\n\t\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\t\tgroupCount += 3;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( radiusBottom > 0 || y !== heightSegments - 1 ) {\n\n\t\t\t\t\t\tindices.push( b, c, d );\n\t\t\t\t\t\tgroupCount += 3;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, 0 );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t\tfunction generateCap( top ) {\n\n\t\t\t// save the index of the first center vertex\n\t\t\tconst centerIndexStart = index;\n\n\t\t\tconst uv = new Vector2();\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tlet groupCount = 0;\n\n\t\t\tconst radius = ( top === true ) ? radiusTop : radiusBottom;\n\t\t\tconst sign = ( top === true ) ? 1 : - 1;\n\n\t\t\t// first we generate the center vertex data of the cap.\n\t\t\t// because the geometry needs one set of uvs per face,\n\t\t\t// we must generate a center vertex per face/segment\n\n\t\t\tfor ( let x = 1; x <= radialSegments; x ++ ) {\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertices.push( 0, halfHeight * sign, 0 );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, sign, 0 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( 0.5, 0.5 );\n\n\t\t\t\t// increase index\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// save the index of the last center vertex\n\t\t\tconst centerIndexEnd = index;\n\n\t\t\t// now we generate the surrounding vertices, normals and uvs\n\n\t\t\tfor ( let x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\tconst u = x / radialSegments;\n\t\t\t\tconst theta = u * thetaLength + thetaStart;\n\n\t\t\t\tconst cosTheta = Math.cos( theta );\n\t\t\t\tconst sinTheta = Math.sin( theta );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\tvertex.y = halfHeight * sign;\n\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, sign, 0 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = ( cosTheta * 0.5 ) + 0.5;\n\t\t\t\tuv.y = ( sinTheta * 0.5 * sign ) + 0.5;\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t// increase index\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( let x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tconst c = centerIndexStart + x;\n\t\t\t\tconst i = centerIndexEnd + x;\n\n\t\t\t\tif ( top === true ) {\n\n\t\t\t\t\t// face top\n\n\t\t\t\t\tindices.push( i, i + 1, c );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// face bottom\n\n\t\t\t\t\tindices.push( i + 1, i, c );\n\n\t\t\t\t}\n\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, top === true ? 1 : 2 );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new CylinderGeometry( data.radiusTop, data.radiusBottom, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass ConeGeometry extends CylinderGeometry {\n\n\tconstructor( radius = 1, height = 1, radialSegments = 32, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper( 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new ConeGeometry( data.radius, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass PolyhedronGeometry extends BufferGeometry {\n\n\tconstructor( vertices = [], indices = [], radius = 1, detail = 0 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'PolyhedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\t// default buffer data\n\n\t\tconst vertexBuffer = [];\n\t\tconst uvBuffer = [];\n\n\t\t// the subdivision creates the vertex buffer data\n\n\t\tsubdivide( detail );\n\n\t\t// all vertices should lie on a conceptual sphere with a given radius\n\n\t\tapplyRadius( radius );\n\n\t\t// finally, create the uv data\n\n\t\tgenerateUVs();\n\n\t\t// build non-indexed geometry\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertexBuffer, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( vertexBuffer.slice(), 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvBuffer, 2 ) );\n\n\t\tif ( detail === 0 ) {\n\n\t\t\tthis.computeVertexNormals(); // flat normals\n\n\t\t} else {\n\n\t\t\tthis.normalizeNormals(); // smooth normals\n\n\t\t}\n\n\t\t// helper functions\n\n\t\tfunction subdivide( detail ) {\n\n\t\t\tconst a = new Vector3();\n\t\t\tconst b = new Vector3();\n\t\t\tconst c = new Vector3();\n\n\t\t\t// iterate over all faces and apply a subdivision with the given detail value\n\n\t\t\tfor ( let i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t// get the vertices of the face\n\n\t\t\t\tgetVertexByIndex( indices[ i + 0 ], a );\n\t\t\t\tgetVertexByIndex( indices[ i + 1 ], b );\n\t\t\t\tgetVertexByIndex( indices[ i + 2 ], c );\n\n\t\t\t\t// perform subdivision\n\n\t\t\t\tsubdivideFace( a, b, c, detail );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction subdivideFace( a, b, c, detail ) {\n\n\t\t\tconst cols = detail + 1;\n\n\t\t\t// we use this multidimensional array as a data structure for creating the subdivision\n\n\t\t\tconst v = [];\n\n\t\t\t// construct all of the vertices for this subdivision\n\n\t\t\tfor ( let i = 0; i <= cols; i ++ ) {\n\n\t\t\t\tv[ i ] = [];\n\n\t\t\t\tconst aj = a.clone().lerp( c, i / cols );\n\t\t\t\tconst bj = b.clone().lerp( c, i / cols );\n\n\t\t\t\tconst rows = cols - i;\n\n\t\t\t\tfor ( let j = 0; j <= rows; j ++ ) {\n\n\t\t\t\t\tif ( j === 0 && i === cols ) {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj.clone().lerp( bj, j / rows );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// construct all of the faces\n\n\t\t\tfor ( let i = 0; i < cols; i ++ ) {\n\n\t\t\t\tfor ( let j = 0; j < 2 * ( cols - i ) - 1; j ++ ) {\n\n\t\t\t\t\tconst k = Math.floor( j / 2 );\n\n\t\t\t\t\tif ( j % 2 === 0 ) {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\t\t\t\t\t\tpushVertex( v[ i ][ k ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction applyRadius( radius ) {\n\n\t\t\tconst vertex = new Vector3();\n\n\t\t\t// iterate over the entire buffer and apply the radius to each vertex\n\n\t\t\tfor ( let i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvertex.normalize().multiplyScalar( radius );\n\n\t\t\t\tvertexBuffer[ i + 0 ] = vertex.x;\n\t\t\t\tvertexBuffer[ i + 1 ] = vertex.y;\n\t\t\t\tvertexBuffer[ i + 2 ] = vertex.z;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tfor ( let i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tconst u = azimuth( vertex ) / 2 / Math.PI + 0.5;\n\t\t\t\tconst v = inclination( vertex ) / Math.PI + 0.5;\n\t\t\t\tuvBuffer.push( u, 1 - v );\n\n\t\t\t}\n\n\t\t\tcorrectUVs();\n\n\t\t\tcorrectSeam();\n\n\t\t}\n\n\t\tfunction correctSeam() {\n\n\t\t\t// handle case when face straddles the seam, see #3269\n\n\t\t\tfor ( let i = 0; i < uvBuffer.length; i += 6 ) {\n\n\t\t\t\t// uv data of a single face\n\n\t\t\t\tconst x0 = uvBuffer[ i + 0 ];\n\t\t\t\tconst x1 = uvBuffer[ i + 2 ];\n\t\t\t\tconst x2 = uvBuffer[ i + 4 ];\n\n\t\t\t\tconst max = Math.max( x0, x1, x2 );\n\t\t\t\tconst min = Math.min( x0, x1, x2 );\n\n\t\t\t\t// 0.9 is somewhat arbitrary\n\n\t\t\t\tif ( max > 0.9 && min < 0.1 ) {\n\n\t\t\t\t\tif ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1;\n\t\t\t\t\tif ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1;\n\t\t\t\t\tif ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction pushVertex( vertex ) {\n\n\t\t\tvertexBuffer.push( vertex.x, vertex.y, vertex.z );\n\n\t\t}\n\n\t\tfunction getVertexByIndex( index, vertex ) {\n\n\t\t\tconst stride = index * 3;\n\n\t\t\tvertex.x = vertices[ stride + 0 ];\n\t\t\tvertex.y = vertices[ stride + 1 ];\n\t\t\tvertex.z = vertices[ stride + 2 ];\n\n\t\t}\n\n\t\tfunction correctUVs() {\n\n\t\t\tconst a = new Vector3();\n\t\t\tconst b = new Vector3();\n\t\t\tconst c = new Vector3();\n\n\t\t\tconst centroid = new Vector3();\n\n\t\t\tconst uvA = new Vector2();\n\t\t\tconst uvB = new Vector2();\n\t\t\tconst uvC = new Vector2();\n\n\t\t\tfor ( let i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) {\n\n\t\t\t\ta.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] );\n\t\t\t\tb.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] );\n\t\t\t\tc.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] );\n\n\t\t\t\tuvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] );\n\t\t\t\tuvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] );\n\t\t\t\tuvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] );\n\n\t\t\t\tcentroid.copy( a ).add( b ).add( c ).divideScalar( 3 );\n\n\t\t\t\tconst azi = azimuth( centroid );\n\n\t\t\t\tcorrectUV( uvA, j + 0, a, azi );\n\t\t\t\tcorrectUV( uvB, j + 2, b, azi );\n\t\t\t\tcorrectUV( uvC, j + 4, c, azi );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction correctUV( uv, stride, vector, azimuth ) {\n\n\t\t\tif ( ( azimuth < 0 ) && ( uv.x === 1 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = uv.x - 1;\n\n\t\t\t}\n\n\t\t\tif ( ( vector.x === 0 ) && ( vector.z === 0 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Angle around the Y axis, counter-clockwise when looking from above.\n\n\t\tfunction azimuth( vector ) {\n\n\t\t\treturn Math.atan2( vector.z, - vector.x );\n\n\t\t}\n\n\n\t\t// Angle above the XZ plane.\n\n\t\tfunction inclination( vector ) {\n\n\t\t\treturn Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) );\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new PolyhedronGeometry( data.vertices, data.indices, data.radius, data.details );\n\n\t}\n\n}\n\nclass DodecahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\t\tconst r = 1 / t;\n\n\t\tconst vertices = [\n\n\t\t\t// (\u00B11, \u00B11, \u00B11)\n\t\t\t- 1, - 1, - 1,\t- 1, - 1, 1,\n\t\t\t- 1, 1, - 1, - 1, 1, 1,\n\t\t\t1, - 1, - 1, 1, - 1, 1,\n\t\t\t1, 1, - 1, 1, 1, 1,\n\n\t\t\t// (0, \u00B11/\u03C6, \u00B1\u03C6)\n\t\t\t0, - r, - t, 0, - r, t,\n\t\t\t0, r, - t, 0, r, t,\n\n\t\t\t// (\u00B11/\u03C6, \u00B1\u03C6, 0)\n\t\t\t- r, - t, 0, - r, t, 0,\n\t\t\tr, - t, 0, r, t, 0,\n\n\t\t\t// (\u00B1\u03C6, 0, \u00B11/\u03C6)\n\t\t\t- t, 0, - r, t, 0, - r,\n\t\t\t- t, 0, r, t, 0, r\n\t\t];\n\n\t\tconst indices = [\n\t\t\t3, 11, 7, \t3, 7, 15, \t3, 15, 13,\n\t\t\t7, 19, 17, \t7, 17, 6, \t7, 6, 15,\n\t\t\t17, 4, 8, \t17, 8, 10, \t17, 10, 6,\n\t\t\t8, 0, 16, \t8, 16, 2, \t8, 2, 10,\n\t\t\t0, 12, 1, \t0, 1, 18, \t0, 18, 16,\n\t\t\t6, 10, 2, \t6, 2, 13, \t6, 13, 15,\n\t\t\t2, 16, 18, \t2, 18, 3, \t2, 3, 13,\n\t\t\t18, 1, 9, \t18, 9, 11, \t18, 11, 3,\n\t\t\t4, 14, 12, \t4, 12, 0, \t4, 0, 8,\n\t\t\t11, 9, 5, \t11, 5, 19, \t11, 19, 7,\n\t\t\t19, 5, 14, \t19, 14, 4, \t19, 4, 17,\n\t\t\t1, 12, 14, \t1, 14, 5, \t1, 5, 9\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'DodecahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new DodecahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nconst _v0 = /*@__PURE__*/ new Vector3();\nconst _v1$1 = /*@__PURE__*/ new Vector3();\nconst _normal = /*@__PURE__*/ new Vector3();\nconst _triangle = /*@__PURE__*/ new Triangle();\n\nclass EdgesGeometry extends BufferGeometry {\n\n\tconstructor( geometry = null, thresholdAngle = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'EdgesGeometry';\n\n\t\tthis.parameters = {\n\t\t\tgeometry: geometry,\n\t\t\tthresholdAngle: thresholdAngle\n\t\t};\n\n\t\tif ( geometry !== null ) {\n\n\t\t\tconst precisionPoints = 4;\n\t\t\tconst precision = Math.pow( 10, precisionPoints );\n\t\t\tconst thresholdDot = Math.cos( DEG2RAD * thresholdAngle );\n\n\t\t\tconst indexAttr = geometry.getIndex();\n\t\t\tconst positionAttr = geometry.getAttribute( 'position' );\n\t\t\tconst indexCount = indexAttr ? indexAttr.count : positionAttr.count;\n\n\t\t\tconst indexArr = [ 0, 0, 0 ];\n\t\t\tconst vertKeys = [ 'a', 'b', 'c' ];\n\t\t\tconst hashes = new Array( 3 );\n\n\t\t\tconst edgeData = {};\n\t\t\tconst vertices = [];\n\t\t\tfor ( let i = 0; i < indexCount; i += 3 ) {\n\n\t\t\t\tif ( indexAttr ) {\n\n\t\t\t\t\tindexArr[ 0 ] = indexAttr.getX( i );\n\t\t\t\t\tindexArr[ 1 ] = indexAttr.getX( i + 1 );\n\t\t\t\t\tindexArr[ 2 ] = indexAttr.getX( i + 2 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tindexArr[ 0 ] = i;\n\t\t\t\t\tindexArr[ 1 ] = i + 1;\n\t\t\t\t\tindexArr[ 2 ] = i + 2;\n\n\t\t\t\t}\n\n\t\t\t\tconst { a, b, c } = _triangle;\n\t\t\t\ta.fromBufferAttribute( positionAttr, indexArr[ 0 ] );\n\t\t\t\tb.fromBufferAttribute( positionAttr, indexArr[ 1 ] );\n\t\t\t\tc.fromBufferAttribute( positionAttr, indexArr[ 2 ] );\n\t\t\t\t_triangle.getNormal( _normal );\n\n\t\t\t\t// create hashes for the edge from the vertices\n\t\t\t\thashes[ 0 ] = `${ Math.round( a.x * precision ) },${ Math.round( a.y * precision ) },${ Math.round( a.z * precision ) }`;\n\t\t\t\thashes[ 1 ] = `${ Math.round( b.x * precision ) },${ Math.round( b.y * precision ) },${ Math.round( b.z * precision ) }`;\n\t\t\t\thashes[ 2 ] = `${ Math.round( c.x * precision ) },${ Math.round( c.y * precision ) },${ Math.round( c.z * precision ) }`;\n\n\t\t\t\t// skip degenerate triangles\n\t\t\t\tif ( hashes[ 0 ] === hashes[ 1 ] || hashes[ 1 ] === hashes[ 2 ] || hashes[ 2 ] === hashes[ 0 ] ) {\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\t// iterate over every edge\n\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t// get the first and next vertex making up the edge\n\t\t\t\t\tconst jNext = ( j + 1 ) % 3;\n\t\t\t\t\tconst vecHash0 = hashes[ j ];\n\t\t\t\t\tconst vecHash1 = hashes[ jNext ];\n\t\t\t\t\tconst v0 = _triangle[ vertKeys[ j ] ];\n\t\t\t\t\tconst v1 = _triangle[ vertKeys[ jNext ] ];\n\n\t\t\t\t\tconst hash = `${ vecHash0 }_${ vecHash1 }`;\n\t\t\t\t\tconst reverseHash = `${ vecHash1 }_${ vecHash0 }`;\n\n\t\t\t\t\tif ( reverseHash in edgeData && edgeData[ reverseHash ] ) {\n\n\t\t\t\t\t\t// if we found a sibling edge add it into the vertex array if\n\t\t\t\t\t\t// it meets the angle threshold and delete the edge from the map.\n\t\t\t\t\t\tif ( _normal.dot( edgeData[ reverseHash ].normal ) <= thresholdDot ) {\n\n\t\t\t\t\t\t\tvertices.push( v0.x, v0.y, v0.z );\n\t\t\t\t\t\t\tvertices.push( v1.x, v1.y, v1.z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tedgeData[ reverseHash ] = null;\n\n\t\t\t\t\t} else if ( ! ( hash in edgeData ) ) {\n\n\t\t\t\t\t\t// if we've already got an edge here then skip adding a new one\n\t\t\t\t\t\tedgeData[ hash ] = {\n\n\t\t\t\t\t\t\tindex0: indexArr[ j ],\n\t\t\t\t\t\t\tindex1: indexArr[ jNext ],\n\t\t\t\t\t\t\tnormal: _normal.clone(),\n\n\t\t\t\t\t\t};\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// iterate over all remaining, unmatched edges and add them to the vertex array\n\t\t\tfor ( const key in edgeData ) {\n\n\t\t\t\tif ( edgeData[ key ] ) {\n\n\t\t\t\t\tconst { index0, index1 } = edgeData[ key ];\n\t\t\t\t\t_v0.fromBufferAttribute( positionAttr, index0 );\n\t\t\t\t\t_v1$1.fromBufferAttribute( positionAttr, index1 );\n\n\t\t\t\t\tvertices.push( _v0.x, _v0.y, _v0.z );\n\t\t\t\t\tvertices.push( _v1$1.x, _v1$1.y, _v1$1.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass Shape extends Path {\n\n\tconstructor( points ) {\n\n\t\tsuper( points );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.type = 'Shape';\n\n\t\tthis.holes = [];\n\n\t}\n\n\tgetPointsHoles( divisions ) {\n\n\t\tconst holesPts = [];\n\n\t\tfor ( let i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\tholesPts[ i ] = this.holes[ i ].getPoints( divisions );\n\n\t\t}\n\n\t\treturn holesPts;\n\n\t}\n\n\t// get points of shape and holes (keypoints based on segments parameter)\n\n\textractPoints( divisions ) {\n\n\t\treturn {\n\n\t\t\tshape: this.getPoints( divisions ),\n\t\t\tholes: this.getPointsHoles( divisions )\n\n\t\t};\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.holes = [];\n\n\t\tfor ( let i = 0, l = source.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = source.holes[ i ];\n\n\t\t\tthis.holes.push( hole.clone() );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.uuid = this.uuid;\n\t\tdata.holes = [];\n\n\t\tfor ( let i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = this.holes[ i ];\n\t\t\tdata.holes.push( hole.toJSON() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.uuid = json.uuid;\n\t\tthis.holes = [];\n\n\t\tfor ( let i = 0, l = json.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = json.holes[ i ];\n\t\t\tthis.holes.push( new Path().fromJSON( hole ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * Port from https://github.com/mapbox/earcut (v2.2.4)\n */\n\nconst Earcut = {\n\n\ttriangulate: function ( data, holeIndices, dim = 2 ) {\n\n\t\tconst hasHoles = holeIndices && holeIndices.length;\n\t\tconst outerLen = hasHoles ? holeIndices[ 0 ] * dim : data.length;\n\t\tlet outerNode = linkedList( data, 0, outerLen, dim, true );\n\t\tconst triangles = [];\n\n\t\tif ( ! outerNode || outerNode.next === outerNode.prev ) return triangles;\n\n\t\tlet minX, minY, maxX, maxY, x, y, invSize;\n\n\t\tif ( hasHoles ) outerNode = eliminateHoles( data, holeIndices, outerNode, dim );\n\n\t\t// if the shape is not too simple, we'll use z-order curve hash later; calculate polygon bbox\n\t\tif ( data.length > 80 * dim ) {\n\n\t\t\tminX = maxX = data[ 0 ];\n\t\t\tminY = maxY = data[ 1 ];\n\n\t\t\tfor ( let i = dim; i < outerLen; i += dim ) {\n\n\t\t\t\tx = data[ i ];\n\t\t\t\ty = data[ i + 1 ];\n\t\t\t\tif ( x < minX ) minX = x;\n\t\t\t\tif ( y < minY ) minY = y;\n\t\t\t\tif ( x > maxX ) maxX = x;\n\t\t\t\tif ( y > maxY ) maxY = y;\n\n\t\t\t}\n\n\t\t\t// minX, minY and invSize are later used to transform coords into integers for z-order calculation\n\t\t\tinvSize = Math.max( maxX - minX, maxY - minY );\n\t\t\tinvSize = invSize !== 0 ? 32767 / invSize : 0;\n\n\t\t}\n\n\t\tearcutLinked( outerNode, triangles, dim, minX, minY, invSize, 0 );\n\n\t\treturn triangles;\n\n\t}\n\n};\n\n// create a circular doubly linked list from polygon points in the specified winding order\nfunction linkedList( data, start, end, dim, clockwise ) {\n\n\tlet i, last;\n\n\tif ( clockwise === ( signedArea( data, start, end, dim ) > 0 ) ) {\n\n\t\tfor ( i = start; i < end; i += dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last );\n\n\t} else {\n\n\t\tfor ( i = end - dim; i >= start; i -= dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last );\n\n\t}\n\n\tif ( last && equals( last, last.next ) ) {\n\n\t\tremoveNode( last );\n\t\tlast = last.next;\n\n\t}\n\n\treturn last;\n\n}\n\n// eliminate colinear or duplicate points\nfunction filterPoints( start, end ) {\n\n\tif ( ! start ) return start;\n\tif ( ! end ) end = start;\n\n\tlet p = start,\n\t\tagain;\n\tdo {\n\n\t\tagain = false;\n\n\t\tif ( ! p.steiner && ( equals( p, p.next ) || area( p.prev, p, p.next ) === 0 ) ) {\n\n\t\t\tremoveNode( p );\n\t\t\tp = end = p.prev;\n\t\t\tif ( p === p.next ) break;\n\t\t\tagain = true;\n\n\t\t} else {\n\n\t\t\tp = p.next;\n\n\t\t}\n\n\t} while ( again || p !== end );\n\n\treturn end;\n\n}\n\n// main ear slicing loop which triangulates a polygon (given as a linked list)\nfunction earcutLinked( ear, triangles, dim, minX, minY, invSize, pass ) {\n\n\tif ( ! ear ) return;\n\n\t// interlink polygon nodes in z-order\n\tif ( ! pass && invSize ) indexCurve( ear, minX, minY, invSize );\n\n\tlet stop = ear,\n\t\tprev, next;\n\n\t// iterate through ears, slicing them one by one\n\twhile ( ear.prev !== ear.next ) {\n\n\t\tprev = ear.prev;\n\t\tnext = ear.next;\n\n\t\tif ( invSize ? isEarHashed( ear, minX, minY, invSize ) : isEar( ear ) ) {\n\n\t\t\t// cut off the triangle\n\t\t\ttriangles.push( prev.i / dim | 0 );\n\t\t\ttriangles.push( ear.i / dim | 0 );\n\t\t\ttriangles.push( next.i / dim | 0 );\n\n\t\t\tremoveNode( ear );\n\n\t\t\t// skipping the next vertex leads to less sliver triangles\n\t\t\tear = next.next;\n\t\t\tstop = next.next;\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\tear = next;\n\n\t\t// if we looped through the whole remaining polygon and can't find any more ears\n\t\tif ( ear === stop ) {\n\n\t\t\t// try filtering points and slicing again\n\t\t\tif ( ! pass ) {\n\n\t\t\t\tearcutLinked( filterPoints( ear ), triangles, dim, minX, minY, invSize, 1 );\n\n\t\t\t\t// if this didn't work, try curing all small self-intersections locally\n\n\t\t\t} else if ( pass === 1 ) {\n\n\t\t\t\tear = cureLocalIntersections( filterPoints( ear ), triangles, dim );\n\t\t\t\tearcutLinked( ear, triangles, dim, minX, minY, invSize, 2 );\n\n\t\t\t\t// as a last resort, try splitting the remaining polygon into two\n\n\t\t\t} else if ( pass === 2 ) {\n\n\t\t\t\tsplitEarcut( ear, triangles, dim, minX, minY, invSize );\n\n\t\t\t}\n\n\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n}\n\n// check whether a polygon node forms a valid ear with adjacent nodes\nfunction isEar( ear ) {\n\n\tconst a = ear.prev,\n\t\tb = ear,\n\t\tc = ear.next;\n\n\tif ( area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear\n\n\t// now make sure we don't have other points inside the potential ear\n\tconst ax = a.x, bx = b.x, cx = c.x, ay = a.y, by = b.y, cy = c.y;\n\n\t// triangle bbox; min & max are calculated like this for speed\n\tconst x0 = ax < bx ? ( ax < cx ? ax : cx ) : ( bx < cx ? bx : cx ),\n\t\ty0 = ay < by ? ( ay < cy ? ay : cy ) : ( by < cy ? by : cy ),\n\t\tx1 = ax > bx ? ( ax > cx ? ax : cx ) : ( bx > cx ? bx : cx ),\n\t\ty1 = ay > by ? ( ay > cy ? ay : cy ) : ( by > cy ? by : cy );\n\n\tlet p = c.next;\n\twhile ( p !== a ) {\n\n\t\tif ( p.x >= x0 && p.x <= x1 && p.y >= y0 && p.y <= y1 &&\n\t\t\tpointInTriangle( ax, ay, bx, by, cx, cy, p.x, p.y ) &&\n\t\t\tarea( p.prev, p, p.next ) >= 0 ) return false;\n\t\tp = p.next;\n\n\t}\n\n\treturn true;\n\n}\n\nfunction isEarHashed( ear, minX, minY, invSize ) {\n\n\tconst a = ear.prev,\n\t\tb = ear,\n\t\tc = ear.next;\n\n\tif ( area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear\n\n\tconst ax = a.x, bx = b.x, cx = c.x, ay = a.y, by = b.y, cy = c.y;\n\n\t// triangle bbox; min & max are calculated like this for speed\n\tconst x0 = ax < bx ? ( ax < cx ? ax : cx ) : ( bx < cx ? bx : cx ),\n\t\ty0 = ay < by ? ( ay < cy ? ay : cy ) : ( by < cy ? by : cy ),\n\t\tx1 = ax > bx ? ( ax > cx ? ax : cx ) : ( bx > cx ? bx : cx ),\n\t\ty1 = ay > by ? ( ay > cy ? ay : cy ) : ( by > cy ? by : cy );\n\n\t// z-order range for the current triangle bbox;\n\tconst minZ = zOrder( x0, y0, minX, minY, invSize ),\n\t\tmaxZ = zOrder( x1, y1, minX, minY, invSize );\n\n\tlet p = ear.prevZ,\n\t\tn = ear.nextZ;\n\n\t// look for points inside the triangle in both directions\n\twhile ( p && p.z >= minZ && n && n.z <= maxZ ) {\n\n\t\tif ( p.x >= x0 && p.x <= x1 && p.y >= y0 && p.y <= y1 && p !== a && p !== c &&\n\t\t\tpointInTriangle( ax, ay, bx, by, cx, cy, p.x, p.y ) && area( p.prev, p, p.next ) >= 0 ) return false;\n\t\tp = p.prevZ;\n\n\t\tif ( n.x >= x0 && n.x <= x1 && n.y >= y0 && n.y <= y1 && n !== a && n !== c &&\n\t\t\tpointInTriangle( ax, ay, bx, by, cx, cy, n.x, n.y ) && area( n.prev, n, n.next ) >= 0 ) return false;\n\t\tn = n.nextZ;\n\n\t}\n\n\t// look for remaining points in decreasing z-order\n\twhile ( p && p.z >= minZ ) {\n\n\t\tif ( p.x >= x0 && p.x <= x1 && p.y >= y0 && p.y <= y1 && p !== a && p !== c &&\n\t\t\tpointInTriangle( ax, ay, bx, by, cx, cy, p.x, p.y ) && area( p.prev, p, p.next ) >= 0 ) return false;\n\t\tp = p.prevZ;\n\n\t}\n\n\t// look for remaining points in increasing z-order\n\twhile ( n && n.z <= maxZ ) {\n\n\t\tif ( n.x >= x0 && n.x <= x1 && n.y >= y0 && n.y <= y1 && n !== a && n !== c &&\n\t\t\tpointInTriangle( ax, ay, bx, by, cx, cy, n.x, n.y ) && area( n.prev, n, n.next ) >= 0 ) return false;\n\t\tn = n.nextZ;\n\n\t}\n\n\treturn true;\n\n}\n\n// go through all polygon nodes and cure small local self-intersections\nfunction cureLocalIntersections( start, triangles, dim ) {\n\n\tlet p = start;\n\tdo {\n\n\t\tconst a = p.prev,\n\t\t\tb = p.next.next;\n\n\t\tif ( ! equals( a, b ) && intersects( a, p, p.next, b ) && locallyInside( a, b ) && locallyInside( b, a ) ) {\n\n\t\t\ttriangles.push( a.i / dim | 0 );\n\t\t\ttriangles.push( p.i / dim | 0 );\n\t\t\ttriangles.push( b.i / dim | 0 );\n\n\t\t\t// remove two nodes involved\n\t\t\tremoveNode( p );\n\t\t\tremoveNode( p.next );\n\n\t\t\tp = start = b;\n\n\t\t}\n\n\t\tp = p.next;\n\n\t} while ( p !== start );\n\n\treturn filterPoints( p );\n\n}\n\n// try splitting polygon into two and triangulate them independently\nfunction splitEarcut( start, triangles, dim, minX, minY, invSize ) {\n\n\t// look for a valid diagonal that divides the polygon into two\n\tlet a = start;\n\tdo {\n\n\t\tlet b = a.next.next;\n\t\twhile ( b !== a.prev ) {\n\n\t\t\tif ( a.i !== b.i && isValidDiagonal( a, b ) ) {\n\n\t\t\t\t// split the polygon in two by the diagonal\n\t\t\t\tlet c = splitPolygon( a, b );\n\n\t\t\t\t// filter colinear points around the cuts\n\t\t\t\ta = filterPoints( a, a.next );\n\t\t\t\tc = filterPoints( c, c.next );\n\n\t\t\t\t// run earcut on each half\n\t\t\t\tearcutLinked( a, triangles, dim, minX, minY, invSize, 0 );\n\t\t\t\tearcutLinked( c, triangles, dim, minX, minY, invSize, 0 );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tb = b.next;\n\n\t\t}\n\n\t\ta = a.next;\n\n\t} while ( a !== start );\n\n}\n\n// link every hole into the outer loop, producing a single-ring polygon without holes\nfunction eliminateHoles( data, holeIndices, outerNode, dim ) {\n\n\tconst queue = [];\n\tlet i, len, start, end, list;\n\n\tfor ( i = 0, len = holeIndices.length; i < len; i ++ ) {\n\n\t\tstart = holeIndices[ i ] * dim;\n\t\tend = i < len - 1 ? holeIndices[ i + 1 ] * dim : data.length;\n\t\tlist = linkedList( data, start, end, dim, false );\n\t\tif ( list === list.next ) list.steiner = true;\n\t\tqueue.push( getLeftmost( list ) );\n\n\t}\n\n\tqueue.sort( compareX );\n\n\t// process holes from left to right\n\tfor ( i = 0; i < queue.length; i ++ ) {\n\n\t\touterNode = eliminateHole( queue[ i ], outerNode );\n\n\t}\n\n\treturn outerNode;\n\n}\n\nfunction compareX( a, b ) {\n\n\treturn a.x - b.x;\n\n}\n\n// find a bridge between vertices that connects hole with an outer ring and link it\nfunction eliminateHole( hole, outerNode ) {\n\n\tconst bridge = findHoleBridge( hole, outerNode );\n\tif ( ! bridge ) {\n\n\t\treturn outerNode;\n\n\t}\n\n\tconst bridgeReverse = splitPolygon( bridge, hole );\n\n\t// filter collinear points around the cuts\n\tfilterPoints( bridgeReverse, bridgeReverse.next );\n\treturn filterPoints( bridge, bridge.next );\n\n}\n\n// David Eberly's algorithm for finding a bridge between hole and outer polygon\nfunction findHoleBridge( hole, outerNode ) {\n\n\tlet p = outerNode,\n\t\tqx = - Infinity,\n\t\tm;\n\n\tconst hx = hole.x, hy = hole.y;\n\n\t// find a segment intersected by a ray from the hole's leftmost point to the left;\n\t// segment's endpoint with lesser x will be potential connection point\n\tdo {\n\n\t\tif ( hy <= p.y && hy >= p.next.y && p.next.y !== p.y ) {\n\n\t\t\tconst x = p.x + ( hy - p.y ) * ( p.next.x - p.x ) / ( p.next.y - p.y );\n\t\t\tif ( x <= hx && x > qx ) {\n\n\t\t\t\tqx = x;\n\t\t\t\tm = p.x < p.next.x ? p : p.next;\n\t\t\t\tif ( x === hx ) return m; // hole touches outer segment; pick leftmost endpoint\n\n\t\t\t}\n\n\t\t}\n\n\t\tp = p.next;\n\n\t} while ( p !== outerNode );\n\n\tif ( ! m ) return null;\n\n\t// look for points inside the triangle of hole point, segment intersection and endpoint;\n\t// if there are no points found, we have a valid connection;\n\t// otherwise choose the point of the minimum angle with the ray as connection point\n\n\tconst stop = m,\n\t\tmx = m.x,\n\t\tmy = m.y;\n\tlet tanMin = Infinity, tan;\n\n\tp = m;\n\n\tdo {\n\n\t\tif ( hx >= p.x && p.x >= mx && hx !== p.x &&\n\t\t\t\tpointInTriangle( hy < my ? hx : qx, hy, mx, my, hy < my ? qx : hx, hy, p.x, p.y ) ) {\n\n\t\t\ttan = Math.abs( hy - p.y ) / ( hx - p.x ); // tangential\n\n\t\t\tif ( locallyInside( p, hole ) && ( tan < tanMin || ( tan === tanMin && ( p.x > m.x || ( p.x === m.x && sectorContainsSector( m, p ) ) ) ) ) ) {\n\n\t\t\t\tm = p;\n\t\t\t\ttanMin = tan;\n\n\t\t\t}\n\n\t\t}\n\n\t\tp = p.next;\n\n\t} while ( p !== stop );\n\n\treturn m;\n\n}\n\n// whether sector in vertex m contains sector in vertex p in the same coordinates\nfunction sectorContainsSector( m, p ) {\n\n\treturn area( m.prev, m, p.prev ) < 0 && area( p.next, m, m.next ) < 0;\n\n}\n\n// interlink polygon nodes in z-order\nfunction indexCurve( start, minX, minY, invSize ) {\n\n\tlet p = start;\n\tdo {\n\n\t\tif ( p.z === 0 ) p.z = zOrder( p.x, p.y, minX, minY, invSize );\n\t\tp.prevZ = p.prev;\n\t\tp.nextZ = p.next;\n\t\tp = p.next;\n\n\t} while ( p !== start );\n\n\tp.prevZ.nextZ = null;\n\tp.prevZ = null;\n\n\tsortLinked( p );\n\n}\n\n// Simon Tatham's linked list merge sort algorithm\n// http://www.chiark.greenend.org.uk/~sgtatham/algorithms/listsort.html\nfunction sortLinked( list ) {\n\n\tlet i, p, q, e, tail, numMerges, pSize, qSize,\n\t\tinSize = 1;\n\n\tdo {\n\n\t\tp = list;\n\t\tlist = null;\n\t\ttail = null;\n\t\tnumMerges = 0;\n\n\t\twhile ( p ) {\n\n\t\t\tnumMerges ++;\n\t\t\tq = p;\n\t\t\tpSize = 0;\n\t\t\tfor ( i = 0; i < inSize; i ++ ) {\n\n\t\t\t\tpSize ++;\n\t\t\t\tq = q.nextZ;\n\t\t\t\tif ( ! q ) break;\n\n\t\t\t}\n\n\t\t\tqSize = inSize;\n\n\t\t\twhile ( pSize > 0 || ( qSize > 0 && q ) ) {\n\n\t\t\t\tif ( pSize !== 0 && ( qSize === 0 || ! q || p.z <= q.z ) ) {\n\n\t\t\t\t\te = p;\n\t\t\t\t\tp = p.nextZ;\n\t\t\t\t\tpSize --;\n\n\t\t\t\t} else {\n\n\t\t\t\t\te = q;\n\t\t\t\t\tq = q.nextZ;\n\t\t\t\t\tqSize --;\n\n\t\t\t\t}\n\n\t\t\t\tif ( tail ) tail.nextZ = e;\n\t\t\t\telse list = e;\n\n\t\t\t\te.prevZ = tail;\n\t\t\t\ttail = e;\n\n\t\t\t}\n\n\t\t\tp = q;\n\n\t\t}\n\n\t\ttail.nextZ = null;\n\t\tinSize *= 2;\n\n\t} while ( numMerges > 1 );\n\n\treturn list;\n\n}\n\n// z-order of a point given coords and inverse of the longer side of data bbox\nfunction zOrder( x, y, minX, minY, invSize ) {\n\n\t// coords are transformed into non-negative 15-bit integer range\n\tx = ( x - minX ) * invSize | 0;\n\ty = ( y - minY ) * invSize | 0;\n\n\tx = ( x | ( x << 8 ) ) & 0x00FF00FF;\n\tx = ( x | ( x << 4 ) ) & 0x0F0F0F0F;\n\tx = ( x | ( x << 2 ) ) & 0x33333333;\n\tx = ( x | ( x << 1 ) ) & 0x55555555;\n\n\ty = ( y | ( y << 8 ) ) & 0x00FF00FF;\n\ty = ( y | ( y << 4 ) ) & 0x0F0F0F0F;\n\ty = ( y | ( y << 2 ) ) & 0x33333333;\n\ty = ( y | ( y << 1 ) ) & 0x55555555;\n\n\treturn x | ( y << 1 );\n\n}\n\n// find the leftmost node of a polygon ring\nfunction getLeftmost( start ) {\n\n\tlet p = start,\n\t\tleftmost = start;\n\tdo {\n\n\t\tif ( p.x < leftmost.x || ( p.x === leftmost.x && p.y < leftmost.y ) ) leftmost = p;\n\t\tp = p.next;\n\n\t} while ( p !== start );\n\n\treturn leftmost;\n\n}\n\n// check if a point lies within a convex triangle\nfunction pointInTriangle( ax, ay, bx, by, cx, cy, px, py ) {\n\n\treturn ( cx - px ) * ( ay - py ) >= ( ax - px ) * ( cy - py ) &&\n ( ax - px ) * ( by - py ) >= ( bx - px ) * ( ay - py ) &&\n ( bx - px ) * ( cy - py ) >= ( cx - px ) * ( by - py );\n\n}\n\n// check if a diagonal between two polygon nodes is valid (lies in polygon interior)\nfunction isValidDiagonal( a, b ) {\n\n\treturn a.next.i !== b.i && a.prev.i !== b.i && ! intersectsPolygon( a, b ) && // doesn't intersect other edges\n ( locallyInside( a, b ) && locallyInside( b, a ) && middleInside( a, b ) && // locally visible\n ( area( a.prev, a, b.prev ) || area( a, b.prev, b ) ) || // does not create opposite-facing sectors\n equals( a, b ) && area( a.prev, a, a.next ) > 0 && area( b.prev, b, b.next ) > 0 ); // special zero-length case\n\n}\n\n// signed area of a triangle\nfunction area( p, q, r ) {\n\n\treturn ( q.y - p.y ) * ( r.x - q.x ) - ( q.x - p.x ) * ( r.y - q.y );\n\n}\n\n// check if two points are equal\nfunction equals( p1, p2 ) {\n\n\treturn p1.x === p2.x && p1.y === p2.y;\n\n}\n\n// check if two segments intersect\nfunction intersects( p1, q1, p2, q2 ) {\n\n\tconst o1 = sign( area( p1, q1, p2 ) );\n\tconst o2 = sign( area( p1, q1, q2 ) );\n\tconst o3 = sign( area( p2, q2, p1 ) );\n\tconst o4 = sign( area( p2, q2, q1 ) );\n\n\tif ( o1 !== o2 && o3 !== o4 ) return true; // general case\n\n\tif ( o1 === 0 && onSegment( p1, p2, q1 ) ) return true; // p1, q1 and p2 are collinear and p2 lies on p1q1\n\tif ( o2 === 0 && onSegment( p1, q2, q1 ) ) return true; // p1, q1 and q2 are collinear and q2 lies on p1q1\n\tif ( o3 === 0 && onSegment( p2, p1, q2 ) ) return true; // p2, q2 and p1 are collinear and p1 lies on p2q2\n\tif ( o4 === 0 && onSegment( p2, q1, q2 ) ) return true; // p2, q2 and q1 are collinear and q1 lies on p2q2\n\n\treturn false;\n\n}\n\n// for collinear points p, q, r, check if point q lies on segment pr\nfunction onSegment( p, q, r ) {\n\n\treturn q.x <= Math.max( p.x, r.x ) && q.x >= Math.min( p.x, r.x ) && q.y <= Math.max( p.y, r.y ) && q.y >= Math.min( p.y, r.y );\n\n}\n\nfunction sign( num ) {\n\n\treturn num > 0 ? 1 : num < 0 ? - 1 : 0;\n\n}\n\n// check if a polygon diagonal intersects any polygon segments\nfunction intersectsPolygon( a, b ) {\n\n\tlet p = a;\n\tdo {\n\n\t\tif ( p.i !== a.i && p.next.i !== a.i && p.i !== b.i && p.next.i !== b.i &&\n\t\t\tintersects( p, p.next, a, b ) ) return true;\n\t\tp = p.next;\n\n\t} while ( p !== a );\n\n\treturn false;\n\n}\n\n// check if a polygon diagonal is locally inside the polygon\nfunction locallyInside( a, b ) {\n\n\treturn area( a.prev, a, a.next ) < 0 ?\n\t\tarea( a, b, a.next ) >= 0 && area( a, a.prev, b ) >= 0 :\n\t\tarea( a, b, a.prev ) < 0 || area( a, a.next, b ) < 0;\n\n}\n\n// check if the middle point of a polygon diagonal is inside the polygon\nfunction middleInside( a, b ) {\n\n\tlet p = a,\n\t\tinside = false;\n\tconst px = ( a.x + b.x ) / 2,\n\t\tpy = ( a.y + b.y ) / 2;\n\tdo {\n\n\t\tif ( ( ( p.y > py ) !== ( p.next.y > py ) ) && p.next.y !== p.y &&\n\t\t\t( px < ( p.next.x - p.x ) * ( py - p.y ) / ( p.next.y - p.y ) + p.x ) )\n\t\t\tinside = ! inside;\n\t\tp = p.next;\n\n\t} while ( p !== a );\n\n\treturn inside;\n\n}\n\n// link two polygon vertices with a bridge; if the vertices belong to the same ring, it splits polygon into two;\n// if one belongs to the outer ring and another to a hole, it merges it into a single ring\nfunction splitPolygon( a, b ) {\n\n\tconst a2 = new Node( a.i, a.x, a.y ),\n\t\tb2 = new Node( b.i, b.x, b.y ),\n\t\tan = a.next,\n\t\tbp = b.prev;\n\n\ta.next = b;\n\tb.prev = a;\n\n\ta2.next = an;\n\tan.prev = a2;\n\n\tb2.next = a2;\n\ta2.prev = b2;\n\n\tbp.next = b2;\n\tb2.prev = bp;\n\n\treturn b2;\n\n}\n\n// create a node and optionally link it with previous one (in a circular doubly linked list)\nfunction insertNode( i, x, y, last ) {\n\n\tconst p = new Node( i, x, y );\n\n\tif ( ! last ) {\n\n\t\tp.prev = p;\n\t\tp.next = p;\n\n\t} else {\n\n\t\tp.next = last.next;\n\t\tp.prev = last;\n\t\tlast.next.prev = p;\n\t\tlast.next = p;\n\n\t}\n\n\treturn p;\n\n}\n\nfunction removeNode( p ) {\n\n\tp.next.prev = p.prev;\n\tp.prev.next = p.next;\n\n\tif ( p.prevZ ) p.prevZ.nextZ = p.nextZ;\n\tif ( p.nextZ ) p.nextZ.prevZ = p.prevZ;\n\n}\n\nfunction Node( i, x, y ) {\n\n\t// vertex index in coordinates array\n\tthis.i = i;\n\n\t// vertex coordinates\n\tthis.x = x;\n\tthis.y = y;\n\n\t// previous and next vertex nodes in a polygon ring\n\tthis.prev = null;\n\tthis.next = null;\n\n\t// z-order curve value\n\tthis.z = 0;\n\n\t// previous and next nodes in z-order\n\tthis.prevZ = null;\n\tthis.nextZ = null;\n\n\t// indicates whether this is a steiner point\n\tthis.steiner = false;\n\n}\n\nfunction signedArea( data, start, end, dim ) {\n\n\tlet sum = 0;\n\tfor ( let i = start, j = end - dim; i < end; i += dim ) {\n\n\t\tsum += ( data[ j ] - data[ i ] ) * ( data[ i + 1 ] + data[ j + 1 ] );\n\t\tj = i;\n\n\t}\n\n\treturn sum;\n\n}\n\nclass ShapeUtils {\n\n\t// calculate area of the contour polygon\n\n\tstatic area( contour ) {\n\n\t\tconst n = contour.length;\n\t\tlet a = 0.0;\n\n\t\tfor ( let p = n - 1, q = 0; q < n; p = q ++ ) {\n\n\t\t\ta += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y;\n\n\t\t}\n\n\t\treturn a * 0.5;\n\n\t}\n\n\tstatic isClockWise( pts ) {\n\n\t\treturn ShapeUtils.area( pts ) < 0;\n\n\t}\n\n\tstatic triangulateShape( contour, holes ) {\n\n\t\tconst vertices = []; // flat array of vertices like [ x0,y0, x1,y1, x2,y2, ... ]\n\t\tconst holeIndices = []; // array of hole indices\n\t\tconst faces = []; // final array of vertex indices like [ [ a,b,d ], [ b,c,d ] ]\n\n\t\tremoveDupEndPts( contour );\n\t\taddContour( vertices, contour );\n\n\t\t//\n\n\t\tlet holeIndex = contour.length;\n\n\t\tholes.forEach( removeDupEndPts );\n\n\t\tfor ( let i = 0; i < holes.length; i ++ ) {\n\n\t\t\tholeIndices.push( holeIndex );\n\t\t\tholeIndex += holes[ i ].length;\n\t\t\taddContour( vertices, holes[ i ] );\n\n\t\t}\n\n\t\t//\n\n\t\tconst triangles = Earcut.triangulate( vertices, holeIndices );\n\n\t\t//\n\n\t\tfor ( let i = 0; i < triangles.length; i += 3 ) {\n\n\t\t\tfaces.push( triangles.slice( i, i + 3 ) );\n\n\t\t}\n\n\t\treturn faces;\n\n\t}\n\n}\n\nfunction removeDupEndPts( points ) {\n\n\tconst l = points.length;\n\n\tif ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) {\n\n\t\tpoints.pop();\n\n\t}\n\n}\n\nfunction addContour( vertices, contour ) {\n\n\tfor ( let i = 0; i < contour.length; i ++ ) {\n\n\t\tvertices.push( contour[ i ].x );\n\t\tvertices.push( contour[ i ].y );\n\n\t}\n\n}\n\n/**\n * Creates extruded geometry from a path shape.\n *\n * parameters = {\n *\n * curveSegments: , // number of points on the curves\n * steps: , // number of points for z-side extrusions / used for subdividing segments of extrude spline too\n * depth: , // Depth to extrude the shape\n *\n * bevelEnabled: , // turn on bevel\n * bevelThickness: , // how deep into the original shape bevel goes\n * bevelSize: , // how far from shape outline (including bevelOffset) is bevel\n * bevelOffset: , // how far from shape outline does bevel start\n * bevelSegments: , // number of bevel layers\n *\n * extrudePath: // curve to extrude shape along\n *\n * UVGenerator: // object that provides UV generator functions\n *\n * }\n */\n\n\nclass ExtrudeGeometry extends BufferGeometry {\n\n\tconstructor( shapes = new Shape( [ new Vector2( 0.5, 0.5 ), new Vector2( - 0.5, 0.5 ), new Vector2( - 0.5, - 0.5 ), new Vector2( 0.5, - 0.5 ) ] ), options = {} ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ExtrudeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tshapes: shapes,\n\t\t\toptions: options\n\t\t};\n\n\t\tshapes = Array.isArray( shapes ) ? shapes : [ shapes ];\n\n\t\tconst scope = this;\n\n\t\tconst verticesArray = [];\n\t\tconst uvArray = [];\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\t\t\taddShape( shape );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( verticesArray, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvArray, 2 ) );\n\n\t\tthis.computeVertexNormals();\n\n\t\t// functions\n\n\t\tfunction addShape( shape ) {\n\n\t\t\tconst placeholder = [];\n\n\t\t\t// options\n\n\t\t\tconst curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\t\t\tconst steps = options.steps !== undefined ? options.steps : 1;\n\t\t\tconst depth = options.depth !== undefined ? options.depth : 1;\n\n\t\t\tlet bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true;\n\t\t\tlet bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 0.2;\n\t\t\tlet bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 0.1;\n\t\t\tlet bevelOffset = options.bevelOffset !== undefined ? options.bevelOffset : 0;\n\t\t\tlet bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3;\n\n\t\t\tconst extrudePath = options.extrudePath;\n\n\t\t\tconst uvgen = options.UVGenerator !== undefined ? options.UVGenerator : WorldUVGenerator;\n\n\t\t\t//\n\n\t\t\tlet extrudePts, extrudeByPath = false;\n\t\t\tlet splineTube, binormal, normal, position2;\n\n\t\t\tif ( extrudePath ) {\n\n\t\t\t\textrudePts = extrudePath.getSpacedPoints( steps );\n\n\t\t\t\textrudeByPath = true;\n\t\t\t\tbevelEnabled = false; // bevels not supported for path extrusion\n\n\t\t\t\t// SETUP TNB variables\n\n\t\t\t\t// TODO1 - have a .isClosed in spline?\n\n\t\t\t\tsplineTube = extrudePath.computeFrenetFrames( steps, false );\n\n\t\t\t\t// console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length);\n\n\t\t\t\tbinormal = new Vector3();\n\t\t\t\tnormal = new Vector3();\n\t\t\t\tposition2 = new Vector3();\n\n\t\t\t}\n\n\t\t\t// Safeguards if bevels are not enabled\n\n\t\t\tif ( ! bevelEnabled ) {\n\n\t\t\t\tbevelSegments = 0;\n\t\t\t\tbevelThickness = 0;\n\t\t\t\tbevelSize = 0;\n\t\t\t\tbevelOffset = 0;\n\n\t\t\t}\n\n\t\t\t// Variables initialization\n\n\t\t\tconst shapePoints = shape.extractPoints( curveSegments );\n\n\t\t\tlet vertices = shapePoints.shape;\n\t\t\tconst holes = shapePoints.holes;\n\n\t\t\tconst reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\t\tif ( reverse ) {\n\n\t\t\t\tvertices = vertices.reverse();\n\n\t\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe ...\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\t\tif ( ShapeUtils.isClockWise( ahole ) ) {\n\n\t\t\t\t\t\tholes[ h ] = ahole.reverse();\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\tconst faces = ShapeUtils.triangulateShape( vertices, holes );\n\n\t\t\t/* Vertices */\n\n\t\t\tconst contour = vertices; // vertices has all points but contour has only points of circumference\n\n\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\tvertices = vertices.concat( ahole );\n\n\t\t\t}\n\n\n\t\t\tfunction scalePt2( pt, vec, size ) {\n\n\t\t\t\tif ( ! vec ) console.error( 'THREE.ExtrudeGeometry: vec does not exist' );\n\n\t\t\t\treturn pt.clone().addScaledVector( vec, size );\n\n\t\t\t}\n\n\t\t\tconst vlen = vertices.length, flen = faces.length;\n\n\n\t\t\t// Find directions for point movement\n\n\n\t\t\tfunction getBevelVec( inPt, inPrev, inNext ) {\n\n\t\t\t\t// computes for inPt the corresponding point inPt' on a new contour\n\t\t\t\t// shifted by 1 unit (length of normalized vector) to the left\n\t\t\t\t// if we walk along contour clockwise, this new contour is outside the old one\n\t\t\t\t//\n\t\t\t\t// inPt' is the intersection of the two lines parallel to the two\n\t\t\t\t// adjacent edges of inPt at a distance of 1 unit on the left side.\n\n\t\t\t\tlet v_trans_x, v_trans_y, shrink_by; // resulting translation vector for inPt\n\n\t\t\t\t// good reading for geometry algorithms (here: line-line intersection)\n\t\t\t\t// http://geomalgorithms.com/a05-_intersect-1.html\n\n\t\t\t\tconst v_prev_x = inPt.x - inPrev.x,\n\t\t\t\t\tv_prev_y = inPt.y - inPrev.y;\n\t\t\t\tconst v_next_x = inNext.x - inPt.x,\n\t\t\t\t\tv_next_y = inNext.y - inPt.y;\n\n\t\t\t\tconst v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y );\n\n\t\t\t\t// check for collinear edges\n\t\t\t\tconst collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\tif ( Math.abs( collinear0 ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not collinear\n\n\t\t\t\t\t// length of vectors for normalizing\n\n\t\t\t\t\tconst v_prev_len = Math.sqrt( v_prev_lensq );\n\t\t\t\t\tconst v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y );\n\n\t\t\t\t\t// shift adjacent points by unit vectors to the left\n\n\t\t\t\t\tconst ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len );\n\t\t\t\t\tconst ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len );\n\n\t\t\t\t\tconst ptNextShift_x = ( inNext.x - v_next_y / v_next_len );\n\t\t\t\t\tconst ptNextShift_y = ( inNext.y + v_next_x / v_next_len );\n\n\t\t\t\t\t// scaling factor for v_prev to intersection point\n\n\t\t\t\t\tconst sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y -\n\t\t\t\t\t\t\t( ptNextShift_y - ptPrevShift_y ) * v_next_x ) /\n\t\t\t\t\t\t( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\t\t// vector from inPt to intersection point\n\n\t\t\t\t\tv_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x );\n\t\t\t\t\tv_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y );\n\n\t\t\t\t\t// Don't normalize!, otherwise sharp corners become ugly\n\t\t\t\t\t// but prevent crazy spikes\n\t\t\t\t\tconst v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y );\n\t\t\t\t\tif ( v_trans_lensq <= 2 ) {\n\n\t\t\t\t\t\treturn new Vector2( v_trans_x, v_trans_y );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_trans_lensq / 2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// handle special case of collinear edges\n\n\t\t\t\t\tlet direction_eq = false; // assumes: opposite\n\n\t\t\t\t\tif ( v_prev_x > Number.EPSILON ) {\n\n\t\t\t\t\t\tif ( v_next_x > Number.EPSILON ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( v_prev_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\tif ( v_next_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) {\n\n\t\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( direction_eq ) {\n\n\t\t\t\t\t\t// console.log(\"Warning: lines are a straight sequence\");\n\t\t\t\t\t\tv_trans_x = - v_prev_y;\n\t\t\t\t\t\tv_trans_y = v_prev_x;\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// console.log(\"Warning: lines are a straight spike\");\n\t\t\t\t\t\tv_trans_x = v_prev_x;\n\t\t\t\t\t\tv_trans_y = v_prev_y;\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq / 2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn new Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by );\n\n\t\t\t}\n\n\n\t\t\tconst contourMovements = [];\n\n\t\t\tfor ( let i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t// (j)---(i)---(k)\n\t\t\t\t// console.log('i,j,k', i, j , k)\n\n\t\t\t\tcontourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] );\n\n\t\t\t}\n\n\t\t\tconst holesMovements = [];\n\t\t\tlet oneHoleMovements, verticesMovements = contourMovements.concat();\n\n\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\toneHoleMovements = [];\n\n\t\t\t\tfor ( let i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t\t// (j)---(i)---(k)\n\t\t\t\t\toneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] );\n\n\t\t\t\t}\n\n\t\t\t\tholesMovements.push( oneHoleMovements );\n\t\t\t\tverticesMovements = verticesMovements.concat( oneHoleMovements );\n\n\t\t\t}\n\n\n\t\t\t// Loop bevelSegments, 1 for the front, 1 for the back\n\n\t\t\tfor ( let b = 0; b < bevelSegments; b ++ ) {\n\n\t\t\t\t//for ( b = bevelSegments; b > 0; b -- ) {\n\n\t\t\t\tconst t = b / bevelSegments;\n\t\t\t\tconst z = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\t\tconst bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset;\n\n\t\t\t\t// contract shape\n\n\t\t\t\tfor ( let i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst vert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\n\t\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t\t}\n\n\t\t\t\t// expand holes\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\t\tfor ( let i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst bs = bevelSize + bevelOffset;\n\n\t\t\t// Back facing vertices\n\n\t\t\tfor ( let i = 0; i < vlen; i ++ ) {\n\n\t\t\t\tconst vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\tv( vert.x, vert.y, 0 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x );\n\n\t\t\t\t\tnormal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x );\n\t\t\t\t\tbinormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\tposition2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal );\n\n\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Add stepped vertices...\n\t\t\t// Including front facing vertices\n\n\t\t\tfor ( let s = 1; s <= steps; s ++ ) {\n\n\t\t\t\tfor ( let i = 0; i < vlen; i ++ ) {\n\n\t\t\t\t\tconst vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\tv( vert.x, vert.y, depth / steps * s );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x );\n\n\t\t\t\t\t\tnormal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x );\n\t\t\t\t\t\tbinormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\t\tposition2.copy( extrudePts[ s ] ).add( normal ).add( binormal );\n\n\t\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\t// Add bevel segments planes\n\n\t\t\t//for ( b = 1; b <= bevelSegments; b ++ ) {\n\t\t\tfor ( let b = bevelSegments - 1; b >= 0; b -- ) {\n\n\t\t\t\tconst t = b / bevelSegments;\n\t\t\t\tconst z = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\t\tconst bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset;\n\n\t\t\t\t// contract shape\n\n\t\t\t\tfor ( let i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst vert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\t\t\t\t\tv( vert.x, vert.y, depth + z );\n\n\t\t\t\t}\n\n\t\t\t\t// expand holes\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\t\tfor ( let i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\t\tv( vert.x, vert.y, depth + z );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tv( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t/* Faces */\n\n\t\t\t// Top and bottom faces\n\n\t\t\tbuildLidFaces();\n\n\t\t\t// Sides faces\n\n\t\t\tbuildSideFaces();\n\n\n\t\t\t///// Internal functions\n\n\t\t\tfunction buildLidFaces() {\n\n\t\t\t\tconst start = verticesArray.length / 3;\n\n\t\t\t\tif ( bevelEnabled ) {\n\n\t\t\t\t\tlet layer = 0; // steps + 1\n\t\t\t\t\tlet offset = vlen * layer;\n\n\t\t\t\t\t// Bottom faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tlayer = steps + bevelSegments * 2;\n\t\t\t\t\toffset = vlen * layer;\n\n\t\t\t\t\t// Top faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Bottom faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 2 ], face[ 1 ], face[ 0 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Top faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tscope.addGroup( start, verticesArray.length / 3 - start, 0 );\n\n\t\t\t}\n\n\t\t\t// Create faces for the z-sides of the shape\n\n\t\t\tfunction buildSideFaces() {\n\n\t\t\t\tconst start = verticesArray.length / 3;\n\t\t\t\tlet layeroffset = 0;\n\t\t\t\tsidewalls( contour, layeroffset );\n\t\t\t\tlayeroffset += contour.length;\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\tsidewalls( ahole, layeroffset );\n\n\t\t\t\t\t//, true\n\t\t\t\t\tlayeroffset += ahole.length;\n\n\t\t\t\t}\n\n\n\t\t\t\tscope.addGroup( start, verticesArray.length / 3 - start, 1 );\n\n\n\t\t\t}\n\n\t\t\tfunction sidewalls( contour, layeroffset ) {\n\n\t\t\t\tlet i = contour.length;\n\n\t\t\t\twhile ( -- i >= 0 ) {\n\n\t\t\t\t\tconst j = i;\n\t\t\t\t\tlet k = i - 1;\n\t\t\t\t\tif ( k < 0 ) k = contour.length - 1;\n\n\t\t\t\t\t//console.log('b', i,j, i-1, k,vertices.length);\n\n\t\t\t\t\tfor ( let s = 0, sl = ( steps + bevelSegments * 2 ); s < sl; s ++ ) {\n\n\t\t\t\t\t\tconst slen1 = vlen * s;\n\t\t\t\t\t\tconst slen2 = vlen * ( s + 1 );\n\n\t\t\t\t\t\tconst a = layeroffset + j + slen1,\n\t\t\t\t\t\t\tb = layeroffset + k + slen1,\n\t\t\t\t\t\t\tc = layeroffset + k + slen2,\n\t\t\t\t\t\t\td = layeroffset + j + slen2;\n\n\t\t\t\t\t\tf4( a, b, c, d );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction v( x, y, z ) {\n\n\t\t\t\tplaceholder.push( x );\n\t\t\t\tplaceholder.push( y );\n\t\t\t\tplaceholder.push( z );\n\n\t\t\t}\n\n\n\t\t\tfunction f3( a, b, c ) {\n\n\t\t\t\taddVertex( a );\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( c );\n\n\t\t\t\tconst nextIndex = verticesArray.length / 3;\n\t\t\t\tconst uvs = uvgen.generateTopUV( scope, verticesArray, nextIndex - 3, nextIndex - 2, nextIndex - 1 );\n\n\t\t\t\taddUV( uvs[ 0 ] );\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 2 ] );\n\n\t\t\t}\n\n\t\t\tfunction f4( a, b, c, d ) {\n\n\t\t\t\taddVertex( a );\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( d );\n\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( c );\n\t\t\t\taddVertex( d );\n\n\n\t\t\t\tconst nextIndex = verticesArray.length / 3;\n\t\t\t\tconst uvs = uvgen.generateSideWallUV( scope, verticesArray, nextIndex - 6, nextIndex - 3, nextIndex - 2, nextIndex - 1 );\n\n\t\t\t\taddUV( uvs[ 0 ] );\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 3 ] );\n\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 2 ] );\n\t\t\t\taddUV( uvs[ 3 ] );\n\n\t\t\t}\n\n\t\t\tfunction addVertex( index ) {\n\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 0 ] );\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 1 ] );\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 2 ] );\n\n\t\t\t}\n\n\n\t\t\tfunction addUV( vector2 ) {\n\n\t\t\t\tuvArray.push( vector2.x );\n\t\t\t\tuvArray.push( vector2.y );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tconst shapes = this.parameters.shapes;\n\t\tconst options = this.parameters.options;\n\n\t\treturn toJSON$1( shapes, options, data );\n\n\t}\n\n\tstatic fromJSON( data, shapes ) {\n\n\t\tconst geometryShapes = [];\n\n\t\tfor ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) {\n\n\t\t\tconst shape = shapes[ data.shapes[ j ] ];\n\n\t\t\tgeometryShapes.push( shape );\n\n\t\t}\n\n\t\tconst extrudePath = data.options.extrudePath;\n\n\t\tif ( extrudePath !== undefined ) {\n\n\t\t\tdata.options.extrudePath = new Curves[ extrudePath.type ]().fromJSON( extrudePath );\n\n\t\t}\n\n\t\treturn new ExtrudeGeometry( geometryShapes, data.options );\n\n\t}\n\n}\n\nconst WorldUVGenerator = {\n\n\tgenerateTopUV: function ( geometry, vertices, indexA, indexB, indexC ) {\n\n\t\tconst a_x = vertices[ indexA * 3 ];\n\t\tconst a_y = vertices[ indexA * 3 + 1 ];\n\t\tconst b_x = vertices[ indexB * 3 ];\n\t\tconst b_y = vertices[ indexB * 3 + 1 ];\n\t\tconst c_x = vertices[ indexC * 3 ];\n\t\tconst c_y = vertices[ indexC * 3 + 1 ];\n\n\t\treturn [\n\t\t\tnew Vector2( a_x, a_y ),\n\t\t\tnew Vector2( b_x, b_y ),\n\t\t\tnew Vector2( c_x, c_y )\n\t\t];\n\n\t},\n\n\tgenerateSideWallUV: function ( geometry, vertices, indexA, indexB, indexC, indexD ) {\n\n\t\tconst a_x = vertices[ indexA * 3 ];\n\t\tconst a_y = vertices[ indexA * 3 + 1 ];\n\t\tconst a_z = vertices[ indexA * 3 + 2 ];\n\t\tconst b_x = vertices[ indexB * 3 ];\n\t\tconst b_y = vertices[ indexB * 3 + 1 ];\n\t\tconst b_z = vertices[ indexB * 3 + 2 ];\n\t\tconst c_x = vertices[ indexC * 3 ];\n\t\tconst c_y = vertices[ indexC * 3 + 1 ];\n\t\tconst c_z = vertices[ indexC * 3 + 2 ];\n\t\tconst d_x = vertices[ indexD * 3 ];\n\t\tconst d_y = vertices[ indexD * 3 + 1 ];\n\t\tconst d_z = vertices[ indexD * 3 + 2 ];\n\n\t\tif ( Math.abs( a_y - b_y ) < Math.abs( a_x - b_x ) ) {\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a_x, 1 - a_z ),\n\t\t\t\tnew Vector2( b_x, 1 - b_z ),\n\t\t\t\tnew Vector2( c_x, 1 - c_z ),\n\t\t\t\tnew Vector2( d_x, 1 - d_z )\n\t\t\t];\n\n\t\t} else {\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a_y, 1 - a_z ),\n\t\t\t\tnew Vector2( b_y, 1 - b_z ),\n\t\t\t\tnew Vector2( c_y, 1 - c_z ),\n\t\t\t\tnew Vector2( d_y, 1 - d_z )\n\t\t\t];\n\n\t\t}\n\n\t}\n\n};\n\nfunction toJSON$1( shapes, options, data ) {\n\n\tdata.shapes = [];\n\n\tif ( Array.isArray( shapes ) ) {\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\n\t\t\tdata.shapes.push( shape.uuid );\n\n\t\t}\n\n\t} else {\n\n\t\tdata.shapes.push( shapes.uuid );\n\n\t}\n\n\tdata.options = Object.assign( {}, options );\n\n\tif ( options.extrudePath !== undefined ) data.options.extrudePath = options.extrudePath.toJSON();\n\n\treturn data;\n\n}\n\nclass IcosahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\n\t\tconst vertices = [\n\t\t\t- 1, t, 0, \t1, t, 0, \t- 1, - t, 0, \t1, - t, 0,\n\t\t\t0, - 1, t, \t0, 1, t,\t0, - 1, - t, \t0, 1, - t,\n\t\t\tt, 0, - 1, \tt, 0, 1, \t- t, 0, - 1, \t- t, 0, 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t0, 11, 5, \t0, 5, 1, \t0, 1, 7, \t0, 7, 10, \t0, 10, 11,\n\t\t\t1, 5, 9, \t5, 11, 4,\t11, 10, 2,\t10, 7, 6,\t7, 1, 8,\n\t\t\t3, 9, 4, \t3, 4, 2,\t3, 2, 6,\t3, 6, 8,\t3, 8, 9,\n\t\t\t4, 9, 5, \t2, 4, 11,\t6, 2, 10,\t8, 6, 7,\t9, 8, 1\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'IcosahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new IcosahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nclass OctahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst vertices = [\n\t\t\t1, 0, 0, \t- 1, 0, 0,\t0, 1, 0,\n\t\t\t0, - 1, 0, \t0, 0, 1,\t0, 0, - 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t0, 2, 4,\t0, 4, 3,\t0, 3, 5,\n\t\t\t0, 5, 2,\t1, 2, 5,\t1, 5, 3,\n\t\t\t1, 3, 4,\t1, 4, 2\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'OctahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new OctahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nclass PlaneGeometry extends BufferGeometry {\n\n\tconstructor( width = 1, height = 1, widthSegments = 1, heightSegments = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'PlaneGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tconst width_half = width / 2;\n\t\tconst height_half = height / 2;\n\n\t\tconst gridX = Math.floor( widthSegments );\n\t\tconst gridY = Math.floor( heightSegments );\n\n\t\tconst gridX1 = gridX + 1;\n\t\tconst gridY1 = gridY + 1;\n\n\t\tconst segment_width = width / gridX;\n\t\tconst segment_height = height / gridY;\n\n\t\t//\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\tfor ( let iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\tconst y = iy * segment_height - height_half;\n\n\t\t\tfor ( let ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\tconst x = ix * segment_width - width_half;\n\n\t\t\t\tvertices.push( x, - y, 0 );\n\n\t\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t\tuvs.push( ix / gridX );\n\t\t\t\tuvs.push( 1 - ( iy / gridY ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfor ( let iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\tfor ( let ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\tconst a = ix + gridX1 * iy;\n\t\t\t\tconst b = ix + gridX1 * ( iy + 1 );\n\t\t\t\tconst c = ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\tconst d = ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new PlaneGeometry( data.width, data.height, data.widthSegments, data.heightSegments );\n\n\t}\n\n}\n\nclass RingGeometry extends BufferGeometry {\n\n\tconstructor( innerRadius = 0.5, outerRadius = 1, thetaSegments = 32, phiSegments = 1, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'RingGeometry';\n\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthetaSegments = Math.max( 3, thetaSegments );\n\t\tphiSegments = Math.max( 1, phiSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// some helper variables\n\n\t\tlet radius = innerRadius;\n\t\tconst radiusStep = ( ( outerRadius - innerRadius ) / phiSegments );\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let j = 0; j <= phiSegments; j ++ ) {\n\n\t\t\tfor ( let i = 0; i <= thetaSegments; i ++ ) {\n\n\t\t\t\t// values are generate from the inside of the ring to the outside\n\n\t\t\t\tconst segment = thetaStart + i / thetaSegments * thetaLength;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\t\tvertex.y = radius * Math.sin( segment );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = ( vertex.x / outerRadius + 1 ) / 2;\n\t\t\t\tuv.y = ( vertex.y / outerRadius + 1 ) / 2;\n\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t}\n\n\t\t\t// increase the radius for next row of vertices\n\n\t\t\tradius += radiusStep;\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let j = 0; j < phiSegments; j ++ ) {\n\n\t\t\tconst thetaSegmentLevel = j * ( thetaSegments + 1 );\n\n\t\t\tfor ( let i = 0; i < thetaSegments; i ++ ) {\n\n\t\t\t\tconst segment = i + thetaSegmentLevel;\n\n\t\t\t\tconst a = segment;\n\t\t\t\tconst b = segment + thetaSegments + 1;\n\t\t\t\tconst c = segment + thetaSegments + 2;\n\t\t\t\tconst d = segment + 1;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new RingGeometry( data.innerRadius, data.outerRadius, data.thetaSegments, data.phiSegments, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass ShapeGeometry extends BufferGeometry {\n\n\tconstructor( shapes = new Shape( [ new Vector2( 0, 0.5 ), new Vector2( - 0.5, - 0.5 ), new Vector2( 0.5, - 0.5 ) ] ), curveSegments = 12 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ShapeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tshapes: shapes,\n\t\t\tcurveSegments: curveSegments\n\t\t};\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet groupStart = 0;\n\t\tlet groupCount = 0;\n\n\t\t// allow single and array values for \"shapes\" parameter\n\n\t\tif ( Array.isArray( shapes ) === false ) {\n\n\t\t\taddShape( shapes );\n\n\t\t} else {\n\n\t\t\tfor ( let i = 0; i < shapes.length; i ++ ) {\n\n\t\t\t\taddShape( shapes[ i ] );\n\n\t\t\t\tthis.addGroup( groupStart, groupCount, i ); // enables MultiMaterial support\n\n\t\t\t\tgroupStart += groupCount;\n\t\t\t\tgroupCount = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\n\t\t// helper functions\n\n\t\tfunction addShape( shape ) {\n\n\t\t\tconst indexOffset = vertices.length / 3;\n\t\t\tconst points = shape.extractPoints( curveSegments );\n\n\t\t\tlet shapeVertices = points.shape;\n\t\t\tconst shapeHoles = points.holes;\n\n\t\t\t// check direction of vertices\n\n\t\t\tif ( ShapeUtils.isClockWise( shapeVertices ) === false ) {\n\n\t\t\t\tshapeVertices = shapeVertices.reverse();\n\n\t\t\t}\n\n\t\t\tfor ( let i = 0, l = shapeHoles.length; i < l; i ++ ) {\n\n\t\t\t\tconst shapeHole = shapeHoles[ i ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( shapeHole ) === true ) {\n\n\t\t\t\t\tshapeHoles[ i ] = shapeHole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst faces = ShapeUtils.triangulateShape( shapeVertices, shapeHoles );\n\n\t\t\t// join vertices of inner and outer paths to a single array\n\n\t\t\tfor ( let i = 0, l = shapeHoles.length; i < l; i ++ ) {\n\n\t\t\t\tconst shapeHole = shapeHoles[ i ];\n\t\t\t\tshapeVertices = shapeVertices.concat( shapeHole );\n\n\t\t\t}\n\n\t\t\t// vertices, normals, uvs\n\n\t\t\tfor ( let i = 0, l = shapeVertices.length; i < l; i ++ ) {\n\n\t\t\t\tconst vertex = shapeVertices[ i ];\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, 0 );\n\t\t\t\tnormals.push( 0, 0, 1 );\n\t\t\t\tuvs.push( vertex.x, vertex.y ); // world uvs\n\n\t\t\t}\n\n\t\t\t// indices\n\n\t\t\tfor ( let i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tconst face = faces[ i ];\n\n\t\t\t\tconst a = face[ 0 ] + indexOffset;\n\t\t\t\tconst b = face[ 1 ] + indexOffset;\n\t\t\t\tconst c = face[ 2 ] + indexOffset;\n\n\t\t\t\tindices.push( a, b, c );\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tconst shapes = this.parameters.shapes;\n\n\t\treturn toJSON( shapes, data );\n\n\t}\n\n\tstatic fromJSON( data, shapes ) {\n\n\t\tconst geometryShapes = [];\n\n\t\tfor ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) {\n\n\t\t\tconst shape = shapes[ data.shapes[ j ] ];\n\n\t\t\tgeometryShapes.push( shape );\n\n\t\t}\n\n\t\treturn new ShapeGeometry( geometryShapes, data.curveSegments );\n\n\t}\n\n}\n\nfunction toJSON( shapes, data ) {\n\n\tdata.shapes = [];\n\n\tif ( Array.isArray( shapes ) ) {\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\n\t\t\tdata.shapes.push( shape.uuid );\n\n\t\t}\n\n\t} else {\n\n\t\tdata.shapes.push( shapes.uuid );\n\n\t}\n\n\treturn data;\n\n}\n\nclass SphereGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, widthSegments = 32, heightSegments = 16, phiStart = 0, phiLength = Math.PI * 2, thetaStart = 0, thetaLength = Math.PI ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'SphereGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\twidthSegments = Math.max( 3, Math.floor( widthSegments ) );\n\t\theightSegments = Math.max( 2, Math.floor( heightSegments ) );\n\n\t\tconst thetaEnd = Math.min( thetaStart + thetaLength, Math.PI );\n\n\t\tlet index = 0;\n\t\tconst grid = [];\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let iy = 0; iy <= heightSegments; iy ++ ) {\n\n\t\t\tconst verticesRow = [];\n\n\t\t\tconst v = iy / heightSegments;\n\n\t\t\t// special case for the poles\n\n\t\t\tlet uOffset = 0;\n\n\t\t\tif ( iy === 0 && thetaStart === 0 ) {\n\n\t\t\t\tuOffset = 0.5 / widthSegments;\n\n\t\t\t} else if ( iy === heightSegments && thetaEnd === Math.PI ) {\n\n\t\t\t\tuOffset = - 0.5 / widthSegments;\n\n\t\t\t}\n\n\t\t\tfor ( let ix = 0; ix <= widthSegments; ix ++ ) {\n\n\t\t\t\tconst u = ix / widthSegments;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\t\t\t\tvertex.y = radius * Math.cos( thetaStart + v * thetaLength );\n\t\t\t\tvertex.z = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.copy( vertex ).normalize();\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( u + uOffset, 1 - v );\n\n\t\t\t\tverticesRow.push( index ++ );\n\n\t\t\t}\n\n\t\t\tgrid.push( verticesRow );\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let iy = 0; iy < heightSegments; iy ++ ) {\n\n\t\t\tfor ( let ix = 0; ix < widthSegments; ix ++ ) {\n\n\t\t\t\tconst a = grid[ iy ][ ix + 1 ];\n\t\t\t\tconst b = grid[ iy ][ ix ];\n\t\t\t\tconst c = grid[ iy + 1 ][ ix ];\n\t\t\t\tconst d = grid[ iy + 1 ][ ix + 1 ];\n\n\t\t\t\tif ( iy !== 0 || thetaStart > 0 ) indices.push( a, b, d );\n\t\t\t\tif ( iy !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new SphereGeometry( data.radius, data.widthSegments, data.heightSegments, data.phiStart, data.phiLength, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass TetrahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst vertices = [\n\t\t\t1, 1, 1, \t- 1, - 1, 1, \t- 1, 1, - 1, \t1, - 1, - 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t2, 1, 0, \t0, 3, 2,\t1, 3, 0,\t2, 3, 1\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'TetrahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new TetrahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nclass TorusGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, tube = 0.4, radialSegments = 12, tubularSegments = 48, arc = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'TorusGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tradialSegments = Math.floor( radialSegments );\n\t\ttubularSegments = Math.floor( tubularSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst center = new Vector3();\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( let i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tconst u = i / tubularSegments * arc;\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u );\n\t\t\t\tvertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u );\n\t\t\t\tvertex.z = tube * Math.sin( v );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tcenter.x = radius * Math.cos( u );\n\t\t\t\tcenter.y = radius * Math.sin( u );\n\t\t\t\tnormal.subVectors( vertex, center ).normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( i / tubularSegments );\n\t\t\t\tuvs.push( j / radialSegments );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( let j = 1; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( let i = 1; i <= tubularSegments; i ++ ) {\n\n\t\t\t\t// indices\n\n\t\t\t\tconst a = ( tubularSegments + 1 ) * j + i - 1;\n\t\t\t\tconst b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1;\n\t\t\t\tconst c = ( tubularSegments + 1 ) * ( j - 1 ) + i;\n\t\t\t\tconst d = ( tubularSegments + 1 ) * j + i;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new TorusGeometry( data.radius, data.tube, data.radialSegments, data.tubularSegments, data.arc );\n\n\t}\n\n}\n\nclass TorusKnotGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, tube = 0.4, tubularSegments = 64, radialSegments = 8, p = 2, q = 3 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'TorusKnotGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\ttubularSegments = Math.floor( tubularSegments );\n\t\tradialSegments = Math.floor( radialSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\tconst P1 = new Vector3();\n\t\tconst P2 = new Vector3();\n\n\t\tconst B = new Vector3();\n\t\tconst T = new Vector3();\n\t\tconst N = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let i = 0; i <= tubularSegments; ++ i ) {\n\n\t\t\t// the radian \"u\" is used to calculate the position on the torus curve of the current tubular segment\n\n\t\t\tconst u = i / tubularSegments * p * Math.PI * 2;\n\n\t\t\t// now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead.\n\t\t\t// these points are used to create a special \"coordinate space\", which is necessary to calculate the correct vertex positions\n\n\t\t\tcalculatePositionOnCurve( u, p, q, radius, P1 );\n\t\t\tcalculatePositionOnCurve( u + 0.01, p, q, radius, P2 );\n\n\t\t\t// calculate orthonormal basis\n\n\t\t\tT.subVectors( P2, P1 );\n\t\t\tN.addVectors( P2, P1 );\n\t\t\tB.crossVectors( T, N );\n\t\t\tN.crossVectors( B, T );\n\n\t\t\t// normalize B, N. T can be ignored, we don't use it\n\n\t\t\tB.normalize();\n\t\t\tN.normalize();\n\n\t\t\tfor ( let j = 0; j <= radialSegments; ++ j ) {\n\n\t\t\t\t// now calculate the vertices. they are nothing more than an extrusion of the torus curve.\n\t\t\t\t// because we extrude a shape in the xy-plane, there is no need to calculate a z-value.\n\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\t\t\t\tconst cx = - tube * Math.cos( v );\n\t\t\t\tconst cy = tube * Math.sin( v );\n\n\t\t\t\t// now calculate the final vertex position.\n\t\t\t\t// first we orient the extrusion with our basis vectors, then we add it to the current position on the curve\n\n\t\t\t\tvertex.x = P1.x + ( cx * N.x + cy * B.x );\n\t\t\t\tvertex.y = P1.y + ( cx * N.y + cy * B.y );\n\t\t\t\tvertex.z = P1.z + ( cx * N.z + cy * B.z );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal)\n\n\t\t\t\tnormal.subVectors( vertex, P1 ).normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( i / tubularSegments );\n\t\t\t\tuvs.push( j / radialSegments );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( let j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\tfor ( let i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t// indices\n\n\t\t\t\tconst a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\tconst b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\tconst c = ( radialSegments + 1 ) * j + i;\n\t\t\t\tconst d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\t// this function calculates the current position on the torus curve\n\n\t\tfunction calculatePositionOnCurve( u, p, q, radius, position ) {\n\n\t\t\tconst cu = Math.cos( u );\n\t\t\tconst su = Math.sin( u );\n\t\t\tconst quOverP = q / p * u;\n\t\t\tconst cs = Math.cos( quOverP );\n\n\t\t\tposition.x = radius * ( 2 + cs ) * 0.5 * cu;\n\t\t\tposition.y = radius * ( 2 + cs ) * su * 0.5;\n\t\t\tposition.z = radius * Math.sin( quOverP ) * 0.5;\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new TorusKnotGeometry( data.radius, data.tube, data.tubularSegments, data.radialSegments, data.p, data.q );\n\n\t}\n\n}\n\nclass TubeGeometry extends BufferGeometry {\n\n\tconstructor( path = new QuadraticBezierCurve3( new Vector3( - 1, - 1, 0 ), new Vector3( - 1, 1, 0 ), new Vector3( 1, 1, 0 ) ), tubularSegments = 64, radius = 1, radialSegments = 8, closed = false ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'TubeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\tconst frames = path.computeFrenetFrames( tubularSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = frames.tangents;\n\t\tthis.normals = frames.normals;\n\t\tthis.binormals = frames.binormals;\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\t\tconst uv = new Vector2();\n\t\tlet P = new Vector3();\n\n\t\t// buffer\n\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\t\tconst indices = [];\n\n\t\t// create buffer data\n\n\t\tgenerateBufferData();\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\t// functions\n\n\t\tfunction generateBufferData() {\n\n\t\t\tfor ( let i = 0; i < tubularSegments; i ++ ) {\n\n\t\t\t\tgenerateSegment( i );\n\n\t\t\t}\n\n\t\t\t// if the geometry is not closed, generate the last row of vertices and normals\n\t\t\t// at the regular position on the given path\n\t\t\t//\n\t\t\t// if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ)\n\n\t\t\tgenerateSegment( ( closed === false ) ? tubularSegments : 0 );\n\n\t\t\t// uvs are generated in a separate function.\n\t\t\t// this makes it easy compute correct values for closed geometries\n\n\t\t\tgenerateUVs();\n\n\t\t\t// finally create faces\n\n\t\t\tgenerateIndices();\n\n\t\t}\n\n\t\tfunction generateSegment( i ) {\n\n\t\t\t// we use getPointAt to sample evenly distributed points from the given path\n\n\t\t\tP = path.getPointAt( i / tubularSegments, P );\n\n\t\t\t// retrieve corresponding normal and binormal\n\n\t\t\tconst N = frames.normals[ i ];\n\t\t\tconst B = frames.binormals[ i ];\n\n\t\t\t// generate normals and vertices for the current segment\n\n\t\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\tconst sin = Math.sin( v );\n\t\t\t\tconst cos = - Math.cos( v );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.x = ( cos * N.x + sin * B.x );\n\t\t\t\tnormal.y = ( cos * N.y + sin * B.y );\n\t\t\t\tnormal.z = ( cos * N.z + sin * B.z );\n\t\t\t\tnormal.normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = P.x + radius * normal.x;\n\t\t\t\tvertex.y = P.y + radius * normal.y;\n\t\t\t\tvertex.z = P.z + radius * normal.z;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateIndices() {\n\n\t\t\tfor ( let j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\t\tfor ( let i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t\tconst a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\t\tconst b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\t\tconst c = ( radialSegments + 1 ) * j + i;\n\t\t\t\t\tconst d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tfor ( let i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\t\tuv.y = j / radialSegments;\n\n\t\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.path = this.parameters.path.toJSON();\n\n\t\treturn data;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\t// This only works for built-in curves (e.g. CatmullRomCurve3).\n\t\t// User defined curves or instances of CurvePath will not be deserialized.\n\t\treturn new TubeGeometry(\n\t\t\tnew Curves[ data.path.type ]().fromJSON( data.path ),\n\t\t\tdata.tubularSegments,\n\t\t\tdata.radius,\n\t\t\tdata.radialSegments,\n\t\t\tdata.closed\n\t\t);\n\n\t}\n\n}\n\nclass WireframeGeometry extends BufferGeometry {\n\n\tconstructor( geometry = null ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'WireframeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tgeometry: geometry\n\t\t};\n\n\t\tif ( geometry !== null ) {\n\n\t\t\t// buffer\n\n\t\t\tconst vertices = [];\n\t\t\tconst edges = new Set();\n\n\t\t\t// helper variables\n\n\t\t\tconst start = new Vector3();\n\t\t\tconst end = new Vector3();\n\n\t\t\tif ( geometry.index !== null ) {\n\n\t\t\t\t// indexed BufferGeometry\n\n\t\t\t\tconst position = geometry.attributes.position;\n\t\t\t\tconst indices = geometry.index;\n\t\t\t\tlet groups = geometry.groups;\n\n\t\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\t\tgroups = [ { start: 0, count: indices.count, materialIndex: 0 } ];\n\n\t\t\t\t}\n\n\t\t\t\t// create a data structure that contains all edges without duplicates\n\n\t\t\t\tfor ( let o = 0, ol = groups.length; o < ol; ++ o ) {\n\n\t\t\t\t\tconst group = groups[ o ];\n\n\t\t\t\t\tconst groupStart = group.start;\n\t\t\t\t\tconst groupCount = group.count;\n\n\t\t\t\t\tfor ( let i = groupStart, l = ( groupStart + groupCount ); i < l; i += 3 ) {\n\n\t\t\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t\tconst index1 = indices.getX( i + j );\n\t\t\t\t\t\t\tconst index2 = indices.getX( i + ( j + 1 ) % 3 );\n\n\t\t\t\t\t\t\tstart.fromBufferAttribute( position, index1 );\n\t\t\t\t\t\t\tend.fromBufferAttribute( position, index2 );\n\n\t\t\t\t\t\t\tif ( isUniqueEdge( start, end, edges ) === true ) {\n\n\t\t\t\t\t\t\t\tvertices.push( start.x, start.y, start.z );\n\t\t\t\t\t\t\t\tvertices.push( end.x, end.y, end.z );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed BufferGeometry\n\n\t\t\t\tconst position = geometry.attributes.position;\n\n\t\t\t\tfor ( let i = 0, l = ( position.count / 3 ); i < l; i ++ ) {\n\n\t\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t// three edges per triangle, an edge is represented as (index1, index2)\n\t\t\t\t\t\t// e.g. the first triangle has the following edges: (0,1),(1,2),(2,0)\n\n\t\t\t\t\t\tconst index1 = 3 * i + j;\n\t\t\t\t\t\tconst index2 = 3 * i + ( ( j + 1 ) % 3 );\n\n\t\t\t\t\t\tstart.fromBufferAttribute( position, index1 );\n\t\t\t\t\t\tend.fromBufferAttribute( position, index2 );\n\n\t\t\t\t\t\tif ( isUniqueEdge( start, end, edges ) === true ) {\n\n\t\t\t\t\t\t\tvertices.push( start.x, start.y, start.z );\n\t\t\t\t\t\t\tvertices.push( end.x, end.y, end.z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// build geometry\n\n\t\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n}\n\nfunction isUniqueEdge( start, end, edges ) {\n\n\tconst hash1 = `${start.x},${start.y},${start.z}-${end.x},${end.y},${end.z}`;\n\tconst hash2 = `${end.x},${end.y},${end.z}-${start.x},${start.y},${start.z}`; // coincident edge\n\n\tif ( edges.has( hash1 ) === true || edges.has( hash2 ) === true ) {\n\n\t\treturn false;\n\n\t} else {\n\n\t\tedges.add( hash1 );\n\t\tedges.add( hash2 );\n\t\treturn true;\n\n\t}\n\n}\n\nvar Geometries = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tBoxGeometry: BoxGeometry,\n\tCapsuleGeometry: CapsuleGeometry,\n\tCircleGeometry: CircleGeometry,\n\tConeGeometry: ConeGeometry,\n\tCylinderGeometry: CylinderGeometry,\n\tDodecahedronGeometry: DodecahedronGeometry,\n\tEdgesGeometry: EdgesGeometry,\n\tExtrudeGeometry: ExtrudeGeometry,\n\tIcosahedronGeometry: IcosahedronGeometry,\n\tLatheGeometry: LatheGeometry,\n\tOctahedronGeometry: OctahedronGeometry,\n\tPlaneGeometry: PlaneGeometry,\n\tPolyhedronGeometry: PolyhedronGeometry,\n\tRingGeometry: RingGeometry,\n\tShapeGeometry: ShapeGeometry,\n\tSphereGeometry: SphereGeometry,\n\tTetrahedronGeometry: TetrahedronGeometry,\n\tTorusGeometry: TorusGeometry,\n\tTorusKnotGeometry: TorusKnotGeometry,\n\tTubeGeometry: TubeGeometry,\n\tWireframeGeometry: WireframeGeometry\n});\n\nclass ShadowMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isShadowMaterial = true;\n\n\t\tthis.type = 'ShadowMaterial';\n\n\t\tthis.color = new Color( 0x000000 );\n\t\tthis.transparent = true;\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass RawShaderMaterial extends ShaderMaterial {\n\n\tconstructor( parameters ) {\n\n\t\tsuper( parameters );\n\n\t\tthis.isRawShaderMaterial = true;\n\n\t\tthis.type = 'RawShaderMaterial';\n\n\t}\n\n}\n\nclass MeshStandardMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshStandardMaterial = true;\n\n\t\tthis.type = 'MeshStandardMaterial';\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.roughness = 1.0;\n\t\tthis.metalness = 0.0;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.roughnessMap = null;\n\n\t\tthis.metalnessMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.envMapRotation = new Euler();\n\t\tthis.envMapIntensity = 1.0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.flatShading = false;\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.color.copy( source.color );\n\t\tthis.roughness = source.roughness;\n\t\tthis.metalness = source.metalness;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.roughnessMap = source.roughnessMap;\n\n\t\tthis.metalnessMap = source.metalnessMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapRotation.copy( source.envMapRotation );\n\t\tthis.envMapIntensity = source.envMapIntensity;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshPhysicalMaterial extends MeshStandardMaterial {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshPhysicalMaterial = true;\n\n\t\tthis.defines = {\n\n\t\t\t'STANDARD': '',\n\t\t\t'PHYSICAL': ''\n\n\t\t};\n\n\t\tthis.type = 'MeshPhysicalMaterial';\n\n\t\tthis.anisotropyRotation = 0;\n\t\tthis.anisotropyMap = null;\n\n\t\tthis.clearcoatMap = null;\n\t\tthis.clearcoatRoughness = 0.0;\n\t\tthis.clearcoatRoughnessMap = null;\n\t\tthis.clearcoatNormalScale = new Vector2( 1, 1 );\n\t\tthis.clearcoatNormalMap = null;\n\n\t\tthis.ior = 1.5;\n\n\t\tObject.defineProperty( this, 'reflectivity', {\n\t\t\tget: function () {\n\n\t\t\t\treturn ( clamp( 2.5 * ( this.ior - 1 ) / ( this.ior + 1 ), 0, 1 ) );\n\n\t\t\t},\n\t\t\tset: function ( reflectivity ) {\n\n\t\t\t\tthis.ior = ( 1 + 0.4 * reflectivity ) / ( 1 - 0.4 * reflectivity );\n\n\t\t\t}\n\t\t} );\n\n\t\tthis.iridescenceMap = null;\n\t\tthis.iridescenceIOR = 1.3;\n\t\tthis.iridescenceThicknessRange = [ 100, 400 ];\n\t\tthis.iridescenceThicknessMap = null;\n\n\t\tthis.sheenColor = new Color( 0x000000 );\n\t\tthis.sheenColorMap = null;\n\t\tthis.sheenRoughness = 1.0;\n\t\tthis.sheenRoughnessMap = null;\n\n\t\tthis.transmissionMap = null;\n\n\t\tthis.thickness = 0;\n\t\tthis.thicknessMap = null;\n\t\tthis.attenuationDistance = Infinity;\n\t\tthis.attenuationColor = new Color( 1, 1, 1 );\n\n\t\tthis.specularIntensity = 1.0;\n\t\tthis.specularIntensityMap = null;\n\t\tthis.specularColor = new Color( 1, 1, 1 );\n\t\tthis.specularColorMap = null;\n\n\t\tthis._anisotropy = 0;\n\t\tthis._clearcoat = 0;\n\t\tthis._dispersion = 0;\n\t\tthis._iridescence = 0;\n\t\tthis._sheen = 0.0;\n\t\tthis._transmission = 0;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tget anisotropy() {\n\n\t\treturn this._anisotropy;\n\n\t}\n\n\tset anisotropy( value ) {\n\n\t\tif ( this._anisotropy > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._anisotropy = value;\n\n\t}\n\n\tget clearcoat() {\n\n\t\treturn this._clearcoat;\n\n\t}\n\n\tset clearcoat( value ) {\n\n\t\tif ( this._clearcoat > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._clearcoat = value;\n\n\t}\n\n\tget iridescence() {\n\n\t\treturn this._iridescence;\n\n\t}\n\n\tset iridescence( value ) {\n\n\t\tif ( this._iridescence > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._iridescence = value;\n\n\t}\n\n\tget dispersion() {\n\n\t\treturn this._dispersion;\n\n\t}\n\n\tset dispersion( value ) {\n\n\t\tif ( this._dispersion > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._dispersion = value;\n\n\t}\n\n\tget sheen() {\n\n\t\treturn this._sheen;\n\n\t}\n\n\tset sheen( value ) {\n\n\t\tif ( this._sheen > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._sheen = value;\n\n\t}\n\n\tget transmission() {\n\n\t\treturn this._transmission;\n\n\t}\n\n\tset transmission( value ) {\n\n\t\tif ( this._transmission > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._transmission = value;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = {\n\n\t\t\t'STANDARD': '',\n\t\t\t'PHYSICAL': ''\n\n\t\t};\n\n\t\tthis.anisotropy = source.anisotropy;\n\t\tthis.anisotropyRotation = source.anisotropyRotation;\n\t\tthis.anisotropyMap = source.anisotropyMap;\n\n\t\tthis.clearcoat = source.clearcoat;\n\t\tthis.clearcoatMap = source.clearcoatMap;\n\t\tthis.clearcoatRoughness = source.clearcoatRoughness;\n\t\tthis.clearcoatRoughnessMap = source.clearcoatRoughnessMap;\n\t\tthis.clearcoatNormalMap = source.clearcoatNormalMap;\n\t\tthis.clearcoatNormalScale.copy( source.clearcoatNormalScale );\n\n\t\tthis.dispersion = source.dispersion;\n\t\tthis.ior = source.ior;\n\n\t\tthis.iridescence = source.iridescence;\n\t\tthis.iridescenceMap = source.iridescenceMap;\n\t\tthis.iridescenceIOR = source.iridescenceIOR;\n\t\tthis.iridescenceThicknessRange = [ ...source.iridescenceThicknessRange ];\n\t\tthis.iridescenceThicknessMap = source.iridescenceThicknessMap;\n\n\t\tthis.sheen = source.sheen;\n\t\tthis.sheenColor.copy( source.sheenColor );\n\t\tthis.sheenColorMap = source.sheenColorMap;\n\t\tthis.sheenRoughness = source.sheenRoughness;\n\t\tthis.sheenRoughnessMap = source.sheenRoughnessMap;\n\n\t\tthis.transmission = source.transmission;\n\t\tthis.transmissionMap = source.transmissionMap;\n\n\t\tthis.thickness = source.thickness;\n\t\tthis.thicknessMap = source.thicknessMap;\n\t\tthis.attenuationDistance = source.attenuationDistance;\n\t\tthis.attenuationColor.copy( source.attenuationColor );\n\n\t\tthis.specularIntensity = source.specularIntensity;\n\t\tthis.specularIntensityMap = source.specularIntensityMap;\n\t\tthis.specularColor.copy( source.specularColor );\n\t\tthis.specularColorMap = source.specularColorMap;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshPhongMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshPhongMaterial = true;\n\n\t\tthis.type = 'MeshPhongMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.specular = new Color( 0x111111 );\n\t\tthis.shininess = 30;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.envMapRotation = new Euler();\n\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.flatShading = false;\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.specular.copy( source.specular );\n\t\tthis.shininess = source.shininess;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapRotation.copy( source.envMapRotation );\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshToonMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshToonMaterial = true;\n\n\t\tthis.defines = { 'TOON': '' };\n\n\t\tthis.type = 'MeshToonMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\t\tthis.gradientMap = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\t\tthis.gradientMap = source.gradientMap;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshNormalMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshNormalMaterial = true;\n\n\t\tthis.type = 'MeshNormalMaterial';\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.flatShading = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshLambertMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshLambertMaterial = true;\n\n\t\tthis.type = 'MeshLambertMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.envMapRotation = new Euler();\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.flatShading = false;\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapRotation.copy( source.envMapRotation );\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshDepthMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshDepthMaterial = true;\n\n\t\tthis.type = 'MeshDepthMaterial';\n\n\t\tthis.depthPacking = BasicDepthPacking;\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.depthPacking = source.depthPacking;\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshDistanceMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshDistanceMaterial = true;\n\n\t\tthis.type = 'MeshDistanceMaterial';\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshMatcapMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshMatcapMaterial = true;\n\n\t\tthis.defines = { 'MATCAP': '' };\n\n\t\tthis.type = 'MeshMatcapMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\tthis.matcap = null;\n\n\t\tthis.map = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.flatShading = false;\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = { 'MATCAP': '' };\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.matcap = source.matcap;\n\n\t\tthis.map = source.map;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass LineDashedMaterial extends LineBasicMaterial {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isLineDashedMaterial = true;\n\t\tthis.type = 'LineDashedMaterial';\n\n\t\tthis.scale = 1;\n\t\tthis.dashSize = 3;\n\t\tthis.gapSize = 1;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.scale = source.scale;\n\t\tthis.dashSize = source.dashSize;\n\t\tthis.gapSize = source.gapSize;\n\n\t\treturn this;\n\n\t}\n\n}\n\n// converts an array to a specific type\nfunction convertArray( array, type, forceClone ) {\n\n\tif ( ! array || // let 'undefined' and 'null' pass\n\t\t! forceClone && array.constructor === type ) return array;\n\n\tif ( typeof type.BYTES_PER_ELEMENT === 'number' ) {\n\n\t\treturn new type( array ); // create typed array\n\n\t}\n\n\treturn Array.prototype.slice.call( array ); // create Array\n\n}\n\nfunction isTypedArray( object ) {\n\n\treturn ArrayBuffer.isView( object ) &&\n\t\t! ( object instanceof DataView );\n\n}\n\n// returns an array by which times and values can be sorted\nfunction getKeyframeOrder( times ) {\n\n\tfunction compareTime( i, j ) {\n\n\t\treturn times[ i ] - times[ j ];\n\n\t}\n\n\tconst n = times.length;\n\tconst result = new Array( n );\n\tfor ( let i = 0; i !== n; ++ i ) result[ i ] = i;\n\n\tresult.sort( compareTime );\n\n\treturn result;\n\n}\n\n// uses the array previously returned by 'getKeyframeOrder' to sort data\nfunction sortedArray( values, stride, order ) {\n\n\tconst nValues = values.length;\n\tconst result = new values.constructor( nValues );\n\n\tfor ( let i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) {\n\n\t\tconst srcOffset = order[ i ] * stride;\n\n\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\tresult[ dstOffset ++ ] = values[ srcOffset + j ];\n\n\t\t}\n\n\t}\n\n\treturn result;\n\n}\n\n// function for parsing AOS keyframe formats\nfunction flattenJSON( jsonKeys, times, values, valuePropertyName ) {\n\n\tlet i = 1, key = jsonKeys[ 0 ];\n\n\twhile ( key !== undefined && key[ valuePropertyName ] === undefined ) {\n\n\t\tkey = jsonKeys[ i ++ ];\n\n\t}\n\n\tif ( key === undefined ) return; // no data\n\n\tlet value = key[ valuePropertyName ];\n\tif ( value === undefined ) return; // no data\n\n\tif ( Array.isArray( value ) ) {\n\n\t\tdo {\n\n\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\tif ( value !== undefined ) {\n\n\t\t\t\ttimes.push( key.time );\n\t\t\t\tvalues.push.apply( values, value ); // push all elements\n\n\t\t\t}\n\n\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t} while ( key !== undefined );\n\n\t} else if ( value.toArray !== undefined ) {\n\n\t\t// ...assume THREE.Math-ish\n\n\t\tdo {\n\n\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\tif ( value !== undefined ) {\n\n\t\t\t\ttimes.push( key.time );\n\t\t\t\tvalue.toArray( values, values.length );\n\n\t\t\t}\n\n\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t} while ( key !== undefined );\n\n\t} else {\n\n\t\t// otherwise push as-is\n\n\t\tdo {\n\n\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\tif ( value !== undefined ) {\n\n\t\t\t\ttimes.push( key.time );\n\t\t\t\tvalues.push( value );\n\n\t\t\t}\n\n\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t} while ( key !== undefined );\n\n\t}\n\n}\n\nfunction subclip( sourceClip, name, startFrame, endFrame, fps = 30 ) {\n\n\tconst clip = sourceClip.clone();\n\n\tclip.name = name;\n\n\tconst tracks = [];\n\n\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\tconst track = clip.tracks[ i ];\n\t\tconst valueSize = track.getValueSize();\n\n\t\tconst times = [];\n\t\tconst values = [];\n\n\t\tfor ( let j = 0; j < track.times.length; ++ j ) {\n\n\t\t\tconst frame = track.times[ j ] * fps;\n\n\t\t\tif ( frame < startFrame || frame >= endFrame ) continue;\n\n\t\t\ttimes.push( track.times[ j ] );\n\n\t\t\tfor ( let k = 0; k < valueSize; ++ k ) {\n\n\t\t\t\tvalues.push( track.values[ j * valueSize + k ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( times.length === 0 ) continue;\n\n\t\ttrack.times = convertArray( times, track.times.constructor );\n\t\ttrack.values = convertArray( values, track.values.constructor );\n\n\t\ttracks.push( track );\n\n\t}\n\n\tclip.tracks = tracks;\n\n\t// find minimum .times value across all tracks in the trimmed clip\n\n\tlet minStartTime = Infinity;\n\n\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\tif ( minStartTime > clip.tracks[ i ].times[ 0 ] ) {\n\n\t\t\tminStartTime = clip.tracks[ i ].times[ 0 ];\n\n\t\t}\n\n\t}\n\n\t// shift all tracks such that clip begins at t=0\n\n\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\tclip.tracks[ i ].shift( - 1 * minStartTime );\n\n\t}\n\n\tclip.resetDuration();\n\n\treturn clip;\n\n}\n\nfunction makeClipAdditive( targetClip, referenceFrame = 0, referenceClip = targetClip, fps = 30 ) {\n\n\tif ( fps <= 0 ) fps = 30;\n\n\tconst numTracks = referenceClip.tracks.length;\n\tconst referenceTime = referenceFrame / fps;\n\n\t// Make each track's values relative to the values at the reference frame\n\tfor ( let i = 0; i < numTracks; ++ i ) {\n\n\t\tconst referenceTrack = referenceClip.tracks[ i ];\n\t\tconst referenceTrackType = referenceTrack.ValueTypeName;\n\n\t\t// Skip this track if it's non-numeric\n\t\tif ( referenceTrackType === 'bool' || referenceTrackType === 'string' ) continue;\n\n\t\t// Find the track in the target clip whose name and type matches the reference track\n\t\tconst targetTrack = targetClip.tracks.find( function ( track ) {\n\n\t\t\treturn track.name === referenceTrack.name\n\t\t\t\t&& track.ValueTypeName === referenceTrackType;\n\n\t\t} );\n\n\t\tif ( targetTrack === undefined ) continue;\n\n\t\tlet referenceOffset = 0;\n\t\tconst referenceValueSize = referenceTrack.getValueSize();\n\n\t\tif ( referenceTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline ) {\n\n\t\t\treferenceOffset = referenceValueSize / 3;\n\n\t\t}\n\n\t\tlet targetOffset = 0;\n\t\tconst targetValueSize = targetTrack.getValueSize();\n\n\t\tif ( targetTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline ) {\n\n\t\t\ttargetOffset = targetValueSize / 3;\n\n\t\t}\n\n\t\tconst lastIndex = referenceTrack.times.length - 1;\n\t\tlet referenceValue;\n\n\t\t// Find the value to subtract out of the track\n\t\tif ( referenceTime <= referenceTrack.times[ 0 ] ) {\n\n\t\t\t// Reference frame is earlier than the first keyframe, so just use the first keyframe\n\t\t\tconst startIndex = referenceOffset;\n\t\t\tconst endIndex = referenceValueSize - referenceOffset;\n\t\t\treferenceValue = referenceTrack.values.slice( startIndex, endIndex );\n\n\t\t} else if ( referenceTime >= referenceTrack.times[ lastIndex ] ) {\n\n\t\t\t// Reference frame is after the last keyframe, so just use the last keyframe\n\t\t\tconst startIndex = lastIndex * referenceValueSize + referenceOffset;\n\t\t\tconst endIndex = startIndex + referenceValueSize - referenceOffset;\n\t\t\treferenceValue = referenceTrack.values.slice( startIndex, endIndex );\n\n\t\t} else {\n\n\t\t\t// Interpolate to the reference value\n\t\t\tconst interpolant = referenceTrack.createInterpolant();\n\t\t\tconst startIndex = referenceOffset;\n\t\t\tconst endIndex = referenceValueSize - referenceOffset;\n\t\t\tinterpolant.evaluate( referenceTime );\n\t\t\treferenceValue = interpolant.resultBuffer.slice( startIndex, endIndex );\n\n\t\t}\n\n\t\t// Conjugate the quaternion\n\t\tif ( referenceTrackType === 'quaternion' ) {\n\n\t\t\tconst referenceQuat = new Quaternion().fromArray( referenceValue ).normalize().conjugate();\n\t\t\treferenceQuat.toArray( referenceValue );\n\n\t\t}\n\n\t\t// Subtract the reference value from all of the track values\n\n\t\tconst numTimes = targetTrack.times.length;\n\t\tfor ( let j = 0; j < numTimes; ++ j ) {\n\n\t\t\tconst valueStart = j * targetValueSize + targetOffset;\n\n\t\t\tif ( referenceTrackType === 'quaternion' ) {\n\n\t\t\t\t// Multiply the conjugate for quaternion track types\n\t\t\t\tQuaternion.multiplyQuaternionsFlat(\n\t\t\t\t\ttargetTrack.values,\n\t\t\t\t\tvalueStart,\n\t\t\t\t\treferenceValue,\n\t\t\t\t\t0,\n\t\t\t\t\ttargetTrack.values,\n\t\t\t\t\tvalueStart\n\t\t\t\t);\n\n\t\t\t} else {\n\n\t\t\t\tconst valueEnd = targetValueSize - targetOffset * 2;\n\n\t\t\t\t// Subtract each value for all other numeric track types\n\t\t\t\tfor ( let k = 0; k < valueEnd; ++ k ) {\n\n\t\t\t\t\ttargetTrack.values[ valueStart + k ] -= referenceValue[ k ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttargetClip.blendMode = AdditiveAnimationBlendMode;\n\n\treturn targetClip;\n\n}\n\nconst AnimationUtils = {\n\tconvertArray: convertArray,\n\tisTypedArray: isTypedArray,\n\tgetKeyframeOrder: getKeyframeOrder,\n\tsortedArray: sortedArray,\n\tflattenJSON: flattenJSON,\n\tsubclip: subclip,\n\tmakeClipAdditive: makeClipAdditive\n};\n\n/**\n * Abstract base class of interpolants over parametric samples.\n *\n * The parameter domain is one dimensional, typically the time or a path\n * along a curve defined by the data.\n *\n * The sample values can have any dimensionality and derived classes may\n * apply special interpretations to the data.\n *\n * This class provides the interval seek in a Template Method, deferring\n * the actual interpolation to derived classes.\n *\n * Time complexity is O(1) for linear access crossing at most two points\n * and O(log N) for random access, where N is the number of positions.\n *\n * References:\n *\n * \t\thttp://www.oodesign.com/template-method-pattern.html\n *\n */\n\nclass Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tthis.parameterPositions = parameterPositions;\n\t\tthis._cachedIndex = 0;\n\n\t\tthis.resultBuffer = resultBuffer !== undefined ?\n\t\t\tresultBuffer : new sampleValues.constructor( sampleSize );\n\t\tthis.sampleValues = sampleValues;\n\t\tthis.valueSize = sampleSize;\n\n\t\tthis.settings = null;\n\t\tthis.DefaultSettings_ = {};\n\n\t}\n\n\tevaluate( t ) {\n\n\t\tconst pp = this.parameterPositions;\n\t\tlet i1 = this._cachedIndex,\n\t\t\tt1 = pp[ i1 ],\n\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\tvalidate_interval: {\n\n\t\t\tseek: {\n\n\t\t\t\tlet right;\n\n\t\t\t\tlinear_scan: {\n\n\t\t\t\t\t//- See http://jsperf.com/comparison-to-undefined/3\n\t\t\t\t\t//- slower code:\n\t\t\t\t\t//-\n\t\t\t\t\t//- \t\t\t\tif ( t >= t1 || t1 === undefined ) {\n\t\t\t\t\tforward_scan: if ( ! ( t < t1 ) ) {\n\n\t\t\t\t\t\tfor ( let giveUpAt = i1 + 2; ; ) {\n\n\t\t\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\t\t\tif ( t < t0 ) break forward_scan;\n\n\t\t\t\t\t\t\t\t// after end\n\n\t\t\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\t\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\tt0 = t1;\n\t\t\t\t\t\t\tt1 = pp[ ++ i1 ];\n\n\t\t\t\t\t\t\tif ( t < t1 ) {\n\n\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// prepare binary search on the right side of the index\n\t\t\t\t\t\tright = pp.length;\n\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t//- slower code:\n\t\t\t\t\t//-\t\t\t\t\tif ( t < t0 || t0 === undefined ) {\n\t\t\t\t\tif ( ! ( t >= t0 ) ) {\n\n\t\t\t\t\t\t// looping?\n\n\t\t\t\t\t\tconst t1global = pp[ 1 ];\n\n\t\t\t\t\t\tif ( t < t1global ) {\n\n\t\t\t\t\t\t\ti1 = 2; // + 1, using the scan for the details\n\t\t\t\t\t\t\tt0 = t1global;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// linear reverse scan\n\n\t\t\t\t\t\tfor ( let giveUpAt = i1 - 2; ; ) {\n\n\t\t\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\t\t\t// before start\n\n\t\t\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\t\t\treturn this.copySampleValue_( 0 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\tt1 = t0;\n\t\t\t\t\t\t\tt0 = pp[ -- i1 - 1 ];\n\n\t\t\t\t\t\t\tif ( t >= t0 ) {\n\n\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// prepare binary search on the left side of the index\n\t\t\t\t\t\tright = i1;\n\t\t\t\t\t\ti1 = 0;\n\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// the interval is valid\n\n\t\t\t\t\tbreak validate_interval;\n\n\t\t\t\t} // linear scan\n\n\t\t\t\t// binary search\n\n\t\t\t\twhile ( i1 < right ) {\n\n\t\t\t\t\tconst mid = ( i1 + right ) >>> 1;\n\n\t\t\t\t\tif ( t < pp[ mid ] ) {\n\n\t\t\t\t\t\tright = mid;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ti1 = mid + 1;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tt1 = pp[ i1 ];\n\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\t\t// check boundary cases, again\n\n\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\treturn this.copySampleValue_( 0 );\n\n\t\t\t\t}\n\n\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t\t\t\t}\n\n\t\t\t} // seek\n\n\t\t\tthis._cachedIndex = i1;\n\n\t\t\tthis.intervalChanged_( i1, t0, t1 );\n\n\t\t} // validate_interval\n\n\t\treturn this.interpolate_( i1, t0, t, t1 );\n\n\t}\n\n\tgetSettings_() {\n\n\t\treturn this.settings || this.DefaultSettings_;\n\n\t}\n\n\tcopySampleValue_( index ) {\n\n\t\t// copies a sample value to the result buffer\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = index * stride;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] = values[ offset + i ];\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n\t// Template methods for derived classes:\n\n\tinterpolate_( /* i1, t0, t, t1 */ ) {\n\n\t\tthrow new Error( 'call to abstract method' );\n\t\t// implementations shall return this.resultBuffer\n\n\t}\n\n\tintervalChanged_( /* i1, t0, t1 */ ) {\n\n\t\t// empty\n\n\t}\n\n}\n\n/**\n * Fast and simple cubic spline interpolant.\n *\n * It was derived from a Hermitian construction setting the first derivative\n * at each sample position to the linear slope between neighboring positions\n * over their parameter interval.\n */\n\nclass CubicInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t\tthis._weightPrev = - 0;\n\t\tthis._offsetPrev = - 0;\n\t\tthis._weightNext = - 0;\n\t\tthis._offsetNext = - 0;\n\n\t\tthis.DefaultSettings_ = {\n\n\t\t\tendingStart: ZeroCurvatureEnding,\n\t\t\tendingEnd: ZeroCurvatureEnding\n\n\t\t};\n\n\t}\n\n\tintervalChanged_( i1, t0, t1 ) {\n\n\t\tconst pp = this.parameterPositions;\n\t\tlet iPrev = i1 - 2,\n\t\t\tiNext = i1 + 1,\n\n\t\t\ttPrev = pp[ iPrev ],\n\t\t\ttNext = pp[ iNext ];\n\n\t\tif ( tPrev === undefined ) {\n\n\t\t\tswitch ( this.getSettings_().endingStart ) {\n\n\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t// f'(t0) = 0\n\t\t\t\t\tiPrev = i1;\n\t\t\t\t\ttPrev = 2 * t0 - t1;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\tiPrev = pp.length - 2;\n\t\t\t\t\ttPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ];\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t// f''(t0) = 0 a.k.a. Natural Spline\n\t\t\t\t\tiPrev = i1;\n\t\t\t\t\ttPrev = t1;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( tNext === undefined ) {\n\n\t\t\tswitch ( this.getSettings_().endingEnd ) {\n\n\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t// f'(tN) = 0\n\t\t\t\t\tiNext = i1;\n\t\t\t\t\ttNext = 2 * t1 - t0;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\tiNext = 1;\n\t\t\t\t\ttNext = t1 + pp[ 1 ] - pp[ 0 ];\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t// f''(tN) = 0, a.k.a. Natural Spline\n\t\t\t\t\tiNext = i1 - 1;\n\t\t\t\t\ttNext = t0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst halfDt = ( t1 - t0 ) * 0.5,\n\t\t\tstride = this.valueSize;\n\n\t\tthis._weightPrev = halfDt / ( t0 - tPrev );\n\t\tthis._weightNext = halfDt / ( tNext - t1 );\n\t\tthis._offsetPrev = iPrev * stride;\n\t\tthis._offsetNext = iNext * stride;\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\to1 = i1 * stride,\t\to0 = o1 - stride,\n\t\t\toP = this._offsetPrev, \toN = this._offsetNext,\n\t\t\twP = this._weightPrev,\twN = this._weightNext,\n\n\t\t\tp = ( t - t0 ) / ( t1 - t0 ),\n\t\t\tpp = p * p,\n\t\t\tppp = pp * p;\n\n\t\t// evaluate polynomials\n\n\t\tconst sP = - wP * ppp + 2 * wP * pp - wP * p;\n\t\tconst s0 = ( 1 + wP ) * ppp + ( - 1.5 - 2 * wP ) * pp + ( - 0.5 + wP ) * p + 1;\n\t\tconst s1 = ( - 1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p;\n\t\tconst sN = wN * ppp - wN * pp;\n\n\t\t// combine data linearly\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] =\n\t\t\t\t\tsP * values[ oP + i ] +\n\t\t\t\t\ts0 * values[ o0 + i ] +\n\t\t\t\t\ts1 * values[ o1 + i ] +\n\t\t\t\t\tsN * values[ oN + i ];\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\nclass LinearInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\toffset1 = i1 * stride,\n\t\t\toffset0 = offset1 - stride,\n\n\t\t\tweight1 = ( t - t0 ) / ( t1 - t0 ),\n\t\t\tweight0 = 1 - weight1;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] =\n\t\t\t\t\tvalues[ offset0 + i ] * weight0 +\n\t\t\t\t\tvalues[ offset1 + i ] * weight1;\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\n/**\n *\n * Interpolant that evaluates to the sample value at the position preceding\n * the parameter.\n */\n\nclass DiscreteInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1 /*, t0, t, t1 */ ) {\n\n\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t}\n\n}\n\nclass KeyframeTrack {\n\n\tconstructor( name, times, values, interpolation ) {\n\n\t\tif ( name === undefined ) throw new Error( 'THREE.KeyframeTrack: track name is undefined' );\n\t\tif ( times === undefined || times.length === 0 ) throw new Error( 'THREE.KeyframeTrack: no keyframes in track named ' + name );\n\n\t\tthis.name = name;\n\n\t\tthis.times = convertArray( times, this.TimeBufferType );\n\t\tthis.values = convertArray( values, this.ValueBufferType );\n\n\t\tthis.setInterpolation( interpolation || this.DefaultInterpolation );\n\n\t}\n\n\t// Serialization (in static context, because of constructor invocation\n\t// and automatic invocation of .toJSON):\n\n\tstatic toJSON( track ) {\n\n\t\tconst trackType = track.constructor;\n\n\t\tlet json;\n\n\t\t// derived classes can define a static toJSON method\n\t\tif ( trackType.toJSON !== this.toJSON ) {\n\n\t\t\tjson = trackType.toJSON( track );\n\n\t\t} else {\n\n\t\t\t// by default, we assume the data can be serialized as-is\n\t\t\tjson = {\n\n\t\t\t\t'name': track.name,\n\t\t\t\t'times': convertArray( track.times, Array ),\n\t\t\t\t'values': convertArray( track.values, Array )\n\n\t\t\t};\n\n\t\t\tconst interpolation = track.getInterpolation();\n\n\t\t\tif ( interpolation !== track.DefaultInterpolation ) {\n\n\t\t\t\tjson.interpolation = interpolation;\n\n\t\t\t}\n\n\t\t}\n\n\t\tjson.type = track.ValueTypeName; // mandatory\n\n\t\treturn json;\n\n\t}\n\n\tInterpolantFactoryMethodDiscrete( result ) {\n\n\t\treturn new DiscreteInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\tInterpolantFactoryMethodLinear( result ) {\n\n\t\treturn new LinearInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\tInterpolantFactoryMethodSmooth( result ) {\n\n\t\treturn new CubicInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\tsetInterpolation( interpolation ) {\n\n\t\tlet factoryMethod;\n\n\t\tswitch ( interpolation ) {\n\n\t\t\tcase InterpolateDiscrete:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodDiscrete;\n\n\t\t\t\tbreak;\n\n\t\t\tcase InterpolateLinear:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodLinear;\n\n\t\t\t\tbreak;\n\n\t\t\tcase InterpolateSmooth:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodSmooth;\n\n\t\t\t\tbreak;\n\n\t\t}\n\n\t\tif ( factoryMethod === undefined ) {\n\n\t\t\tconst message = 'unsupported interpolation for ' +\n\t\t\t\tthis.ValueTypeName + ' keyframe track named ' + this.name;\n\n\t\t\tif ( this.createInterpolant === undefined ) {\n\n\t\t\t\t// fall back to default, unless the default itself is messed up\n\t\t\t\tif ( interpolation !== this.DefaultInterpolation ) {\n\n\t\t\t\t\tthis.setInterpolation( this.DefaultInterpolation );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new Error( message ); // fatal, in this case\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconsole.warn( 'THREE.KeyframeTrack:', message );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tthis.createInterpolant = factoryMethod;\n\n\t\treturn this;\n\n\t}\n\n\tgetInterpolation() {\n\n\t\tswitch ( this.createInterpolant ) {\n\n\t\t\tcase this.InterpolantFactoryMethodDiscrete:\n\n\t\t\t\treturn InterpolateDiscrete;\n\n\t\t\tcase this.InterpolantFactoryMethodLinear:\n\n\t\t\t\treturn InterpolateLinear;\n\n\t\t\tcase this.InterpolantFactoryMethodSmooth:\n\n\t\t\t\treturn InterpolateSmooth;\n\n\t\t}\n\n\t}\n\n\tgetValueSize() {\n\n\t\treturn this.values.length / this.times.length;\n\n\t}\n\n\t// move all keyframes either forwards or backwards in time\n\tshift( timeOffset ) {\n\n\t\tif ( timeOffset !== 0.0 ) {\n\n\t\t\tconst times = this.times;\n\n\t\t\tfor ( let i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\ttimes[ i ] += timeOffset;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// scale all keyframe times by a factor (useful for frame <-> seconds conversions)\n\tscale( timeScale ) {\n\n\t\tif ( timeScale !== 1.0 ) {\n\n\t\t\tconst times = this.times;\n\n\t\t\tfor ( let i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\ttimes[ i ] *= timeScale;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// removes keyframes before and after animation without changing any values within the range [startTime, endTime].\n\t// IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values\n\ttrim( startTime, endTime ) {\n\n\t\tconst times = this.times,\n\t\t\tnKeys = times.length;\n\n\t\tlet from = 0,\n\t\t\tto = nKeys - 1;\n\n\t\twhile ( from !== nKeys && times[ from ] < startTime ) {\n\n\t\t\t++ from;\n\n\t\t}\n\n\t\twhile ( to !== - 1 && times[ to ] > endTime ) {\n\n\t\t\t-- to;\n\n\t\t}\n\n\t\t++ to; // inclusive -> exclusive bound\n\n\t\tif ( from !== 0 || to !== nKeys ) {\n\n\t\t\t// empty tracks are forbidden, so keep at least one keyframe\n\t\t\tif ( from >= to ) {\n\n\t\t\t\tto = Math.max( to, 1 );\n\t\t\t\tfrom = to - 1;\n\n\t\t\t}\n\n\t\t\tconst stride = this.getValueSize();\n\t\t\tthis.times = times.slice( from, to );\n\t\t\tthis.values = this.values.slice( from * stride, to * stride );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable\n\tvalidate() {\n\n\t\tlet valid = true;\n\n\t\tconst valueSize = this.getValueSize();\n\t\tif ( valueSize - Math.floor( valueSize ) !== 0 ) {\n\n\t\t\tconsole.error( 'THREE.KeyframeTrack: Invalid value size in track.', this );\n\t\t\tvalid = false;\n\n\t\t}\n\n\t\tconst times = this.times,\n\t\t\tvalues = this.values,\n\n\t\t\tnKeys = times.length;\n\n\t\tif ( nKeys === 0 ) {\n\n\t\t\tconsole.error( 'THREE.KeyframeTrack: Track is empty.', this );\n\t\t\tvalid = false;\n\n\t\t}\n\n\t\tlet prevTime = null;\n\n\t\tfor ( let i = 0; i !== nKeys; i ++ ) {\n\n\t\t\tconst currTime = times[ i ];\n\n\t\t\tif ( typeof currTime === 'number' && isNaN( currTime ) ) {\n\n\t\t\t\tconsole.error( 'THREE.KeyframeTrack: Time is not a valid number.', this, i, currTime );\n\t\t\t\tvalid = false;\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( prevTime !== null && prevTime > currTime ) {\n\n\t\t\t\tconsole.error( 'THREE.KeyframeTrack: Out of order keys.', this, i, currTime, prevTime );\n\t\t\t\tvalid = false;\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tprevTime = currTime;\n\n\t\t}\n\n\t\tif ( values !== undefined ) {\n\n\t\t\tif ( isTypedArray( values ) ) {\n\n\t\t\t\tfor ( let i = 0, n = values.length; i !== n; ++ i ) {\n\n\t\t\t\t\tconst value = values[ i ];\n\n\t\t\t\t\tif ( isNaN( value ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.KeyframeTrack: Value is not a valid number.', this, i, value );\n\t\t\t\t\t\tvalid = false;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn valid;\n\n\t}\n\n\t// removes equivalent sequential keys as common in morph target sequences\n\t// (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0)\n\toptimize() {\n\n\t\t// times or values may be shared with other tracks, so overwriting is unsafe\n\t\tconst times = this.times.slice(),\n\t\t\tvalues = this.values.slice(),\n\t\t\tstride = this.getValueSize(),\n\n\t\t\tsmoothInterpolation = this.getInterpolation() === InterpolateSmooth,\n\n\t\t\tlastIndex = times.length - 1;\n\n\t\tlet writeIndex = 1;\n\n\t\tfor ( let i = 1; i < lastIndex; ++ i ) {\n\n\t\t\tlet keep = false;\n\n\t\t\tconst time = times[ i ];\n\t\t\tconst timeNext = times[ i + 1 ];\n\n\t\t\t// remove adjacent keyframes scheduled at the same time\n\n\t\t\tif ( time !== timeNext && ( i !== 1 || time !== times[ 0 ] ) ) {\n\n\t\t\t\tif ( ! smoothInterpolation ) {\n\n\t\t\t\t\t// remove unnecessary keyframes same as their neighbors\n\n\t\t\t\t\tconst offset = i * stride,\n\t\t\t\t\t\toffsetP = offset - stride,\n\t\t\t\t\t\toffsetN = offset + stride;\n\n\t\t\t\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\tconst value = values[ offset + j ];\n\n\t\t\t\t\t\tif ( value !== values[ offsetP + j ] ||\n\t\t\t\t\t\t\tvalue !== values[ offsetN + j ] ) {\n\n\t\t\t\t\t\t\tkeep = true;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tkeep = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// in-place compaction\n\n\t\t\tif ( keep ) {\n\n\t\t\t\tif ( i !== writeIndex ) {\n\n\t\t\t\t\ttimes[ writeIndex ] = times[ i ];\n\n\t\t\t\t\tconst readOffset = i * stride,\n\t\t\t\t\t\twriteOffset = writeIndex * stride;\n\n\t\t\t\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t++ writeIndex;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// flush last keyframe (compaction looks ahead)\n\n\t\tif ( lastIndex > 0 ) {\n\n\t\t\ttimes[ writeIndex ] = times[ lastIndex ];\n\n\t\t\tfor ( let readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j ) {\n\n\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t}\n\n\t\t\t++ writeIndex;\n\n\t\t}\n\n\t\tif ( writeIndex !== times.length ) {\n\n\t\t\tthis.times = times.slice( 0, writeIndex );\n\t\t\tthis.values = values.slice( 0, writeIndex * stride );\n\n\t\t} else {\n\n\t\t\tthis.times = times;\n\t\t\tthis.values = values;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\tconst times = this.times.slice();\n\t\tconst values = this.values.slice();\n\n\t\tconst TypedKeyframeTrack = this.constructor;\n\t\tconst track = new TypedKeyframeTrack( this.name, times, values );\n\n\t\t// Interpolant argument to constructor is not saved, so copy the factory method directly.\n\t\ttrack.createInterpolant = this.createInterpolant;\n\n\t\treturn track;\n\n\t}\n\n}\n\nKeyframeTrack.prototype.TimeBufferType = Float32Array;\nKeyframeTrack.prototype.ValueBufferType = Float32Array;\nKeyframeTrack.prototype.DefaultInterpolation = InterpolateLinear;\n\n/**\n * A Track of Boolean keyframe values.\n */\nclass BooleanKeyframeTrack extends KeyframeTrack {\n\n\t// No interpolation parameter because only InterpolateDiscrete is valid.\n\tconstructor( name, times, values ) {\n\n\t\tsuper( name, times, values );\n\n\t}\n\n}\n\nBooleanKeyframeTrack.prototype.ValueTypeName = 'bool';\nBooleanKeyframeTrack.prototype.ValueBufferType = Array;\nBooleanKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete;\nBooleanKeyframeTrack.prototype.InterpolantFactoryMethodLinear = undefined;\nBooleanKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A Track of keyframe values that represent color.\n */\nclass ColorKeyframeTrack extends KeyframeTrack {}\n\nColorKeyframeTrack.prototype.ValueTypeName = 'color';\n\n/**\n * A Track of numeric keyframe values.\n */\nclass NumberKeyframeTrack extends KeyframeTrack {}\n\nNumberKeyframeTrack.prototype.ValueTypeName = 'number';\n\n/**\n * Spherical linear unit quaternion interpolant.\n */\n\nclass QuaternionLinearInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\talpha = ( t - t0 ) / ( t1 - t0 );\n\n\t\tlet offset = i1 * stride;\n\n\t\tfor ( let end = offset + stride; offset !== end; offset += 4 ) {\n\n\t\t\tQuaternion.slerpFlat( result, 0, values, offset - stride, values, offset, alpha );\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\n/**\n * A Track of quaternion keyframe values.\n */\nclass QuaternionKeyframeTrack extends KeyframeTrack {\n\n\tInterpolantFactoryMethodLinear( result ) {\n\n\t\treturn new QuaternionLinearInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n}\n\nQuaternionKeyframeTrack.prototype.ValueTypeName = 'quaternion';\n// ValueBufferType is inherited\n// DefaultInterpolation is inherited;\nQuaternionKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A Track that interpolates Strings\n */\nclass StringKeyframeTrack extends KeyframeTrack {\n\n\t// No interpolation parameter because only InterpolateDiscrete is valid.\n\tconstructor( name, times, values ) {\n\n\t\tsuper( name, times, values );\n\n\t}\n\n}\n\nStringKeyframeTrack.prototype.ValueTypeName = 'string';\nStringKeyframeTrack.prototype.ValueBufferType = Array;\nStringKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete;\nStringKeyframeTrack.prototype.InterpolantFactoryMethodLinear = undefined;\nStringKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A Track of vectored keyframe values.\n */\nclass VectorKeyframeTrack extends KeyframeTrack {}\n\nVectorKeyframeTrack.prototype.ValueTypeName = 'vector';\n\nclass AnimationClip {\n\n\tconstructor( name = '', duration = - 1, tracks = [], blendMode = NormalAnimationBlendMode ) {\n\n\t\tthis.name = name;\n\t\tthis.tracks = tracks;\n\t\tthis.duration = duration;\n\t\tthis.blendMode = blendMode;\n\n\t\tthis.uuid = generateUUID();\n\n\t\t// this means it should figure out its duration by scanning the tracks\n\t\tif ( this.duration < 0 ) {\n\n\t\t\tthis.resetDuration();\n\n\t\t}\n\n\t}\n\n\n\tstatic parse( json ) {\n\n\t\tconst tracks = [],\n\t\t\tjsonTracks = json.tracks,\n\t\t\tframeTime = 1.0 / ( json.fps || 1.0 );\n\n\t\tfor ( let i = 0, n = jsonTracks.length; i !== n; ++ i ) {\n\n\t\t\ttracks.push( parseKeyframeTrack( jsonTracks[ i ] ).scale( frameTime ) );\n\n\t\t}\n\n\t\tconst clip = new this( json.name, json.duration, tracks, json.blendMode );\n\t\tclip.uuid = json.uuid;\n\n\t\treturn clip;\n\n\t}\n\n\tstatic toJSON( clip ) {\n\n\t\tconst tracks = [],\n\t\t\tclipTracks = clip.tracks;\n\n\t\tconst json = {\n\n\t\t\t'name': clip.name,\n\t\t\t'duration': clip.duration,\n\t\t\t'tracks': tracks,\n\t\t\t'uuid': clip.uuid,\n\t\t\t'blendMode': clip.blendMode\n\n\t\t};\n\n\t\tfor ( let i = 0, n = clipTracks.length; i !== n; ++ i ) {\n\n\t\t\ttracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) );\n\n\t\t}\n\n\t\treturn json;\n\n\t}\n\n\tstatic CreateFromMorphTargetSequence( name, morphTargetSequence, fps, noLoop ) {\n\n\t\tconst numMorphTargets = morphTargetSequence.length;\n\t\tconst tracks = [];\n\n\t\tfor ( let i = 0; i < numMorphTargets; i ++ ) {\n\n\t\t\tlet times = [];\n\t\t\tlet values = [];\n\n\t\t\ttimes.push(\n\t\t\t\t( i + numMorphTargets - 1 ) % numMorphTargets,\n\t\t\t\ti,\n\t\t\t\t( i + 1 ) % numMorphTargets );\n\n\t\t\tvalues.push( 0, 1, 0 );\n\n\t\t\tconst order = getKeyframeOrder( times );\n\t\t\ttimes = sortedArray( times, 1, order );\n\t\t\tvalues = sortedArray( values, 1, order );\n\n\t\t\t// if there is a key at the first frame, duplicate it as the\n\t\t\t// last frame as well for perfect loop.\n\t\t\tif ( ! noLoop && times[ 0 ] === 0 ) {\n\n\t\t\t\ttimes.push( numMorphTargets );\n\t\t\t\tvalues.push( values[ 0 ] );\n\n\t\t\t}\n\n\t\t\ttracks.push(\n\t\t\t\tnew NumberKeyframeTrack(\n\t\t\t\t\t'.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']',\n\t\t\t\t\ttimes, values\n\t\t\t\t).scale( 1.0 / fps ) );\n\n\t\t}\n\n\t\treturn new this( name, - 1, tracks );\n\n\t}\n\n\tstatic findByName( objectOrClipArray, name ) {\n\n\t\tlet clipArray = objectOrClipArray;\n\n\t\tif ( ! Array.isArray( objectOrClipArray ) ) {\n\n\t\t\tconst o = objectOrClipArray;\n\t\t\tclipArray = o.geometry && o.geometry.animations || o.animations;\n\n\t\t}\n\n\t\tfor ( let i = 0; i < clipArray.length; i ++ ) {\n\n\t\t\tif ( clipArray[ i ].name === name ) {\n\n\t\t\t\treturn clipArray[ i ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\tstatic CreateClipsFromMorphTargetSequences( morphTargets, fps, noLoop ) {\n\n\t\tconst animationToMorphTargets = {};\n\n\t\t// tested with https://regex101.com/ on trick sequences\n\t\t// such flamingo_flyA_003, flamingo_run1_003, crdeath0059\n\t\tconst pattern = /^([\\w-]*?)([\\d]+)$/;\n\n\t\t// sort morph target names into animation groups based\n\t\t// patterns like Walk_001, Walk_002, Run_001, Run_002\n\t\tfor ( let i = 0, il = morphTargets.length; i < il; i ++ ) {\n\n\t\t\tconst morphTarget = morphTargets[ i ];\n\t\t\tconst parts = morphTarget.name.match( pattern );\n\n\t\t\tif ( parts && parts.length > 1 ) {\n\n\t\t\t\tconst name = parts[ 1 ];\n\n\t\t\t\tlet animationMorphTargets = animationToMorphTargets[ name ];\n\n\t\t\t\tif ( ! animationMorphTargets ) {\n\n\t\t\t\t\tanimationToMorphTargets[ name ] = animationMorphTargets = [];\n\n\t\t\t\t}\n\n\t\t\t\tanimationMorphTargets.push( morphTarget );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst clips = [];\n\n\t\tfor ( const name in animationToMorphTargets ) {\n\n\t\t\tclips.push( this.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) );\n\n\t\t}\n\n\t\treturn clips;\n\n\t}\n\n\t// parse the animation.hierarchy format\n\tstatic parseAnimation( animation, bones ) {\n\n\t\tif ( ! animation ) {\n\n\t\t\tconsole.error( 'THREE.AnimationClip: No animation in JSONLoader data.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst addNonemptyTrack = function ( trackType, trackName, animationKeys, propertyName, destTracks ) {\n\n\t\t\t// only return track if there are actually keys.\n\t\t\tif ( animationKeys.length !== 0 ) {\n\n\t\t\t\tconst times = [];\n\t\t\t\tconst values = [];\n\n\t\t\t\tflattenJSON( animationKeys, times, values, propertyName );\n\n\t\t\t\t// empty keys are filtered out, so check again\n\t\t\t\tif ( times.length !== 0 ) {\n\n\t\t\t\t\tdestTracks.push( new trackType( trackName, times, values ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tconst tracks = [];\n\n\t\tconst clipName = animation.name || 'default';\n\t\tconst fps = animation.fps || 30;\n\t\tconst blendMode = animation.blendMode;\n\n\t\t// automatic length determination in AnimationClip.\n\t\tlet duration = animation.length || - 1;\n\n\t\tconst hierarchyTracks = animation.hierarchy || [];\n\n\t\tfor ( let h = 0; h < hierarchyTracks.length; h ++ ) {\n\n\t\t\tconst animationKeys = hierarchyTracks[ h ].keys;\n\n\t\t\t// skip empty tracks\n\t\t\tif ( ! animationKeys || animationKeys.length === 0 ) continue;\n\n\t\t\t// process morph targets\n\t\t\tif ( animationKeys[ 0 ].morphTargets ) {\n\n\t\t\t\t// figure out all morph targets used in this track\n\t\t\t\tconst morphTargetNames = {};\n\n\t\t\t\tlet k;\n\n\t\t\t\tfor ( k = 0; k < animationKeys.length; k ++ ) {\n\n\t\t\t\t\tif ( animationKeys[ k ].morphTargets ) {\n\n\t\t\t\t\t\tfor ( let m = 0; m < animationKeys[ k ].morphTargets.length; m ++ ) {\n\n\t\t\t\t\t\t\tmorphTargetNames[ animationKeys[ k ].morphTargets[ m ] ] = - 1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// create a track for each morph target with all zero\n\t\t\t\t// morphTargetInfluences except for the keys in which\n\t\t\t\t// the morphTarget is named.\n\t\t\t\tfor ( const morphTargetName in morphTargetNames ) {\n\n\t\t\t\t\tconst times = [];\n\t\t\t\t\tconst values = [];\n\n\t\t\t\t\tfor ( let m = 0; m !== animationKeys[ k ].morphTargets.length; ++ m ) {\n\n\t\t\t\t\t\tconst animationKey = animationKeys[ k ];\n\n\t\t\t\t\t\ttimes.push( animationKey.time );\n\t\t\t\t\t\tvalues.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttracks.push( new NumberKeyframeTrack( '.morphTargetInfluence[' + morphTargetName + ']', times, values ) );\n\n\t\t\t\t}\n\n\t\t\t\tduration = morphTargetNames.length * fps;\n\n\t\t\t} else {\n\n\t\t\t\t// ...assume skeletal animation\n\n\t\t\t\tconst boneName = '.bones[' + bones[ h ].name + ']';\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tVectorKeyframeTrack, boneName + '.position',\n\t\t\t\t\tanimationKeys, 'pos', tracks );\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tQuaternionKeyframeTrack, boneName + '.quaternion',\n\t\t\t\t\tanimationKeys, 'rot', tracks );\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tVectorKeyframeTrack, boneName + '.scale',\n\t\t\t\t\tanimationKeys, 'scl', tracks );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( tracks.length === 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst clip = new this( clipName, duration, tracks, blendMode );\n\n\t\treturn clip;\n\n\t}\n\n\tresetDuration() {\n\n\t\tconst tracks = this.tracks;\n\t\tlet duration = 0;\n\n\t\tfor ( let i = 0, n = tracks.length; i !== n; ++ i ) {\n\n\t\t\tconst track = this.tracks[ i ];\n\n\t\t\tduration = Math.max( duration, track.times[ track.times.length - 1 ] );\n\n\t\t}\n\n\t\tthis.duration = duration;\n\n\t\treturn this;\n\n\t}\n\n\ttrim() {\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tthis.tracks[ i ].trim( 0, this.duration );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tvalidate() {\n\n\t\tlet valid = true;\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tvalid = valid && this.tracks[ i ].validate();\n\n\t\t}\n\n\t\treturn valid;\n\n\t}\n\n\toptimize() {\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tthis.tracks[ i ].optimize();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\tconst tracks = [];\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\ttracks.push( this.tracks[ i ].clone() );\n\n\t\t}\n\n\t\treturn new this.constructor( this.name, this.duration, tracks, this.blendMode );\n\n\t}\n\n\ttoJSON() {\n\n\t\treturn this.constructor.toJSON( this );\n\n\t}\n\n}\n\nfunction getTrackTypeForValueTypeName( typeName ) {\n\n\tswitch ( typeName.toLowerCase() ) {\n\n\t\tcase 'scalar':\n\t\tcase 'double':\n\t\tcase 'float':\n\t\tcase 'number':\n\t\tcase 'integer':\n\n\t\t\treturn NumberKeyframeTrack;\n\n\t\tcase 'vector':\n\t\tcase 'vector2':\n\t\tcase 'vector3':\n\t\tcase 'vector4':\n\n\t\t\treturn VectorKeyframeTrack;\n\n\t\tcase 'color':\n\n\t\t\treturn ColorKeyframeTrack;\n\n\t\tcase 'quaternion':\n\n\t\t\treturn QuaternionKeyframeTrack;\n\n\t\tcase 'bool':\n\t\tcase 'boolean':\n\n\t\t\treturn BooleanKeyframeTrack;\n\n\t\tcase 'string':\n\n\t\t\treturn StringKeyframeTrack;\n\n\t}\n\n\tthrow new Error( 'THREE.KeyframeTrack: Unsupported typeName: ' + typeName );\n\n}\n\nfunction parseKeyframeTrack( json ) {\n\n\tif ( json.type === undefined ) {\n\n\t\tthrow new Error( 'THREE.KeyframeTrack: track type undefined, can not parse' );\n\n\t}\n\n\tconst trackType = getTrackTypeForValueTypeName( json.type );\n\n\tif ( json.times === undefined ) {\n\n\t\tconst times = [], values = [];\n\n\t\tflattenJSON( json.keys, times, values, 'value' );\n\n\t\tjson.times = times;\n\t\tjson.values = values;\n\n\t}\n\n\t// derived classes can define a static parse method\n\tif ( trackType.parse !== undefined ) {\n\n\t\treturn trackType.parse( json );\n\n\t} else {\n\n\t\t// by default, we assume a constructor compatible with the base\n\t\treturn new trackType( json.name, json.times, json.values, json.interpolation );\n\n\t}\n\n}\n\nconst Cache = {\n\n\tenabled: false,\n\n\tfiles: {},\n\n\tadd: function ( key, file ) {\n\n\t\tif ( this.enabled === false ) return;\n\n\t\t// console.log( 'THREE.Cache', 'Adding key:', key );\n\n\t\tthis.files[ key ] = file;\n\n\t},\n\n\tget: function ( key ) {\n\n\t\tif ( this.enabled === false ) return;\n\n\t\t// console.log( 'THREE.Cache', 'Checking key:', key );\n\n\t\treturn this.files[ key ];\n\n\t},\n\n\tremove: function ( key ) {\n\n\t\tdelete this.files[ key ];\n\n\t},\n\n\tclear: function () {\n\n\t\tthis.files = {};\n\n\t}\n\n};\n\nclass LoadingManager {\n\n\tconstructor( onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tlet isLoading = false;\n\t\tlet itemsLoaded = 0;\n\t\tlet itemsTotal = 0;\n\t\tlet urlModifier = undefined;\n\t\tconst handlers = [];\n\n\t\t// Refer to #5689 for the reason why we don't set .onStart\n\t\t// in the constructor\n\n\t\tthis.onStart = undefined;\n\t\tthis.onLoad = onLoad;\n\t\tthis.onProgress = onProgress;\n\t\tthis.onError = onError;\n\n\t\tthis.itemStart = function ( url ) {\n\n\t\t\titemsTotal ++;\n\n\t\t\tif ( isLoading === false ) {\n\n\t\t\t\tif ( scope.onStart !== undefined ) {\n\n\t\t\t\t\tscope.onStart( url, itemsLoaded, itemsTotal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tisLoading = true;\n\n\t\t};\n\n\t\tthis.itemEnd = function ( url ) {\n\n\t\t\titemsLoaded ++;\n\n\t\t\tif ( scope.onProgress !== undefined ) {\n\n\t\t\t\tscope.onProgress( url, itemsLoaded, itemsTotal );\n\n\t\t\t}\n\n\t\t\tif ( itemsLoaded === itemsTotal ) {\n\n\t\t\t\tisLoading = false;\n\n\t\t\t\tif ( scope.onLoad !== undefined ) {\n\n\t\t\t\t\tscope.onLoad();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.itemError = function ( url ) {\n\n\t\t\tif ( scope.onError !== undefined ) {\n\n\t\t\t\tscope.onError( url );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.resolveURL = function ( url ) {\n\n\t\t\tif ( urlModifier ) {\n\n\t\t\t\treturn urlModifier( url );\n\n\t\t\t}\n\n\t\t\treturn url;\n\n\t\t};\n\n\t\tthis.setURLModifier = function ( transform ) {\n\n\t\t\turlModifier = transform;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\tthis.addHandler = function ( regex, loader ) {\n\n\t\t\thandlers.push( regex, loader );\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\tthis.removeHandler = function ( regex ) {\n\n\t\t\tconst index = handlers.indexOf( regex );\n\n\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\thandlers.splice( index, 2 );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\tthis.getHandler = function ( file ) {\n\n\t\t\tfor ( let i = 0, l = handlers.length; i < l; i += 2 ) {\n\n\t\t\t\tconst regex = handlers[ i ];\n\t\t\t\tconst loader = handlers[ i + 1 ];\n\n\t\t\t\tif ( regex.global ) regex.lastIndex = 0; // see #17920\n\n\t\t\t\tif ( regex.test( file ) ) {\n\n\t\t\t\t\treturn loader;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t};\n\n\t}\n\n}\n\nconst DefaultLoadingManager = /*@__PURE__*/ new LoadingManager();\n\nclass Loader {\n\n\tconstructor( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\tthis.crossOrigin = 'anonymous';\n\t\tthis.withCredentials = false;\n\t\tthis.path = '';\n\t\tthis.resourcePath = '';\n\t\tthis.requestHeader = {};\n\n\t}\n\n\tload( /* url, onLoad, onProgress, onError */ ) {}\n\n\tloadAsync( url, onProgress ) {\n\n\t\tconst scope = this;\n\n\t\treturn new Promise( function ( resolve, reject ) {\n\n\t\t\tscope.load( url, resolve, onProgress, reject );\n\n\t\t} );\n\n\t}\n\n\tparse( /* data */ ) {}\n\n\tsetCrossOrigin( crossOrigin ) {\n\n\t\tthis.crossOrigin = crossOrigin;\n\t\treturn this;\n\n\t}\n\n\tsetWithCredentials( value ) {\n\n\t\tthis.withCredentials = value;\n\t\treturn this;\n\n\t}\n\n\tsetPath( path ) {\n\n\t\tthis.path = path;\n\t\treturn this;\n\n\t}\n\n\tsetResourcePath( resourcePath ) {\n\n\t\tthis.resourcePath = resourcePath;\n\t\treturn this;\n\n\t}\n\n\tsetRequestHeader( requestHeader ) {\n\n\t\tthis.requestHeader = requestHeader;\n\t\treturn this;\n\n\t}\n\n}\n\nLoader.DEFAULT_MATERIAL_NAME = '__DEFAULT';\n\nconst loading = {};\n\nclass HttpError extends Error {\n\n\tconstructor( message, response ) {\n\n\t\tsuper( message );\n\t\tthis.response = response;\n\n\t}\n\n}\n\nclass FileLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( url === undefined ) url = '';\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst cached = Cache.get( url );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tthis.manager.itemStart( url );\n\n\t\t\tsetTimeout( () => {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tthis.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\t// Check if request is duplicate\n\n\t\tif ( loading[ url ] !== undefined ) {\n\n\t\t\tloading[ url ].push( {\n\n\t\t\t\tonLoad: onLoad,\n\t\t\t\tonProgress: onProgress,\n\t\t\t\tonError: onError\n\n\t\t\t} );\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t// Initialise array for duplicate requests\n\t\tloading[ url ] = [];\n\n\t\tloading[ url ].push( {\n\t\t\tonLoad: onLoad,\n\t\t\tonProgress: onProgress,\n\t\t\tonError: onError,\n\t\t} );\n\n\t\t// create request\n\t\tconst req = new Request( url, {\n\t\t\theaders: new Headers( this.requestHeader ),\n\t\t\tcredentials: this.withCredentials ? 'include' : 'same-origin',\n\t\t\t// An abort controller could be added within a future PR\n\t\t} );\n\n\t\t// record states ( avoid data race )\n\t\tconst mimeType = this.mimeType;\n\t\tconst responseType = this.responseType;\n\n\t\t// start the fetch\n\t\tfetch( req )\n\t\t\t.then( response => {\n\n\t\t\t\tif ( response.status === 200 || response.status === 0 ) {\n\n\t\t\t\t\t// Some browsers return HTTP Status 0 when using non-http protocol\n\t\t\t\t\t// e.g. 'file://' or 'data://'. Handle as success.\n\n\t\t\t\t\tif ( response.status === 0 ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.FileLoader: HTTP Status 0 received.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Workaround: Checking if response.body === undefined for Alipay browser #23548\n\n\t\t\t\t\tif ( typeof ReadableStream === 'undefined' || response.body === undefined || response.body.getReader === undefined ) {\n\n\t\t\t\t\t\treturn response;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst callbacks = loading[ url ];\n\t\t\t\t\tconst reader = response.body.getReader();\n\n\t\t\t\t\t// Nginx needs X-File-Size check\n\t\t\t\t\t// https://serverfault.com/questions/482875/why-does-nginx-remove-content-length-header-for-chunked-content\n\t\t\t\t\tconst contentLength = response.headers.get( 'X-File-Size' ) || response.headers.get( 'Content-Length' );\n\t\t\t\t\tconst total = contentLength ? parseInt( contentLength ) : 0;\n\t\t\t\t\tconst lengthComputable = total !== 0;\n\t\t\t\t\tlet loaded = 0;\n\n\t\t\t\t\t// periodically read data into the new stream tracking while download progress\n\t\t\t\t\tconst stream = new ReadableStream( {\n\t\t\t\t\t\tstart( controller ) {\n\n\t\t\t\t\t\t\treadData();\n\n\t\t\t\t\t\t\tfunction readData() {\n\n\t\t\t\t\t\t\t\treader.read().then( ( { done, value } ) => {\n\n\t\t\t\t\t\t\t\t\tif ( done ) {\n\n\t\t\t\t\t\t\t\t\t\tcontroller.close();\n\n\t\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\t\tloaded += value.byteLength;\n\n\t\t\t\t\t\t\t\t\t\tconst event = new ProgressEvent( 'progress', { lengthComputable, loaded, total } );\n\t\t\t\t\t\t\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\t\t\t\t\t\t\tif ( callback.onProgress ) callback.onProgress( event );\n\n\t\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t\t\tcontroller.enqueue( value );\n\t\t\t\t\t\t\t\t\t\treadData();\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}, ( e ) => {\n\n\t\t\t\t\t\t\t\t\tcontroller.error( e );\n\n\t\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} );\n\n\t\t\t\t\treturn new Response( stream );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new HttpError( `fetch for \"${response.url}\" responded with ${response.status}: ${response.statusText}`, response );\n\n\t\t\t\t}\n\n\t\t\t} )\n\t\t\t.then( response => {\n\n\t\t\t\tswitch ( responseType ) {\n\n\t\t\t\t\tcase 'arraybuffer':\n\n\t\t\t\t\t\treturn response.arrayBuffer();\n\n\t\t\t\t\tcase 'blob':\n\n\t\t\t\t\t\treturn response.blob();\n\n\t\t\t\t\tcase 'document':\n\n\t\t\t\t\t\treturn response.text()\n\t\t\t\t\t\t\t.then( text => {\n\n\t\t\t\t\t\t\t\tconst parser = new DOMParser();\n\t\t\t\t\t\t\t\treturn parser.parseFromString( text, mimeType );\n\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\tcase 'json':\n\n\t\t\t\t\t\treturn response.json();\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tif ( mimeType === undefined ) {\n\n\t\t\t\t\t\t\treturn response.text();\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// sniff encoding\n\t\t\t\t\t\t\tconst re = /charset=\"?([^;\"\\s]*)\"?/i;\n\t\t\t\t\t\t\tconst exec = re.exec( mimeType );\n\t\t\t\t\t\t\tconst label = exec && exec[ 1 ] ? exec[ 1 ].toLowerCase() : undefined;\n\t\t\t\t\t\t\tconst decoder = new TextDecoder( label );\n\t\t\t\t\t\t\treturn response.arrayBuffer().then( ab => decoder.decode( ab ) );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} )\n\t\t\t.then( data => {\n\n\t\t\t\t// Add to cache only on HTTP success, so that we do not cache\n\t\t\t\t// error response bodies as proper responses to requests.\n\t\t\t\tCache.add( url, data );\n\n\t\t\t\tconst callbacks = loading[ url ];\n\t\t\t\tdelete loading[ url ];\n\n\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\tif ( callback.onLoad ) callback.onLoad( data );\n\n\t\t\t\t}\n\n\t\t\t} )\n\t\t\t.catch( err => {\n\n\t\t\t\t// Abort errors and other errors are handled the same\n\n\t\t\t\tconst callbacks = loading[ url ];\n\n\t\t\t\tif ( callbacks === undefined ) {\n\n\t\t\t\t\t// When onLoad was called and url was deleted in `loading`\n\t\t\t\t\tthis.manager.itemError( url );\n\t\t\t\t\tthrow err;\n\n\t\t\t\t}\n\n\t\t\t\tdelete loading[ url ];\n\n\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\tif ( callback.onError ) callback.onError( err );\n\n\t\t\t\t}\n\n\t\t\t\tthis.manager.itemError( url );\n\n\t\t\t} )\n\t\t\t.finally( () => {\n\n\t\t\t\tthis.manager.itemEnd( url );\n\n\t\t\t} );\n\n\t\tthis.manager.itemStart( url );\n\n\t}\n\n\tsetResponseType( value ) {\n\n\t\tthis.responseType = value;\n\t\treturn this;\n\n\t}\n\n\tsetMimeType( value ) {\n\n\t\tthis.mimeType = value;\n\t\treturn this;\n\n\t}\n\n}\n\nclass AnimationLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\tconst animations = [];\n\n\t\tfor ( let i = 0; i < json.length; i ++ ) {\n\n\t\t\tconst clip = AnimationClip.parse( json[ i ] );\n\n\t\t\tanimations.push( clip );\n\n\t\t}\n\n\t\treturn animations;\n\n\t}\n\n}\n\n/**\n * Abstract Base class to block based textures loader (dds, pvr, ...)\n *\n * Sub classes have to implement the parse() method which will be used in load().\n */\n\nclass CompressedTextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst images = [];\n\n\t\tconst texture = new CompressedTexture();\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\n\t\tlet loaded = 0;\n\n\t\tfunction loadTexture( i ) {\n\n\t\t\tloader.load( url[ i ], function ( buffer ) {\n\n\t\t\t\tconst texDatas = scope.parse( buffer, true );\n\n\t\t\t\timages[ i ] = {\n\t\t\t\t\twidth: texDatas.width,\n\t\t\t\t\theight: texDatas.height,\n\t\t\t\t\tformat: texDatas.format,\n\t\t\t\t\tmipmaps: texDatas.mipmaps\n\t\t\t\t};\n\n\t\t\t\tloaded += 1;\n\n\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\tif ( texDatas.mipmapCount === 1 ) texture.minFilter = LinearFilter;\n\n\t\t\t\t\ttexture.image = images;\n\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t\tif ( Array.isArray( url ) ) {\n\n\t\t\tfor ( let i = 0, il = url.length; i < il; ++ i ) {\n\n\t\t\t\tloadTexture( i );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// compressed cubemap texture stored in a single DDS file\n\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tconst texDatas = scope.parse( buffer, true );\n\n\t\t\t\tif ( texDatas.isCubemap ) {\n\n\t\t\t\t\tconst faces = texDatas.mipmaps.length / texDatas.mipmapCount;\n\n\t\t\t\t\tfor ( let f = 0; f < faces; f ++ ) {\n\n\t\t\t\t\t\timages[ f ] = { mipmaps: [] };\n\n\t\t\t\t\t\tfor ( let i = 0; i < texDatas.mipmapCount; i ++ ) {\n\n\t\t\t\t\t\t\timages[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] );\n\t\t\t\t\t\t\timages[ f ].format = texDatas.format;\n\t\t\t\t\t\t\timages[ f ].width = texDatas.width;\n\t\t\t\t\t\t\timages[ f ].height = texDatas.height;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.image = images;\n\n\t\t\t\t} else {\n\n\t\t\t\t\ttexture.image.width = texDatas.width;\n\t\t\t\t\ttexture.image.height = texDatas.height;\n\t\t\t\t\ttexture.mipmaps = texDatas.mipmaps;\n\n\t\t\t\t}\n\n\t\t\t\tif ( texDatas.mipmapCount === 1 ) {\n\n\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n}\n\nclass ImageLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst scope = this;\n\n\t\tconst cached = Cache.get( url );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\tsetTimeout( function () {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\tconst image = createElementNS( 'img' );\n\n\t\tfunction onImageLoad() {\n\n\t\t\tremoveEventListeners();\n\n\t\t\tCache.add( url, this );\n\n\t\t\tif ( onLoad ) onLoad( this );\n\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t}\n\n\t\tfunction onImageError( event ) {\n\n\t\t\tremoveEventListeners();\n\n\t\t\tif ( onError ) onError( event );\n\n\t\t\tscope.manager.itemError( url );\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t}\n\n\t\tfunction removeEventListeners() {\n\n\t\t\timage.removeEventListener( 'load', onImageLoad, false );\n\t\t\timage.removeEventListener( 'error', onImageError, false );\n\n\t\t}\n\n\t\timage.addEventListener( 'load', onImageLoad, false );\n\t\timage.addEventListener( 'error', onImageError, false );\n\n\t\tif ( url.slice( 0, 5 ) !== 'data:' ) {\n\n\t\t\tif ( this.crossOrigin !== undefined ) image.crossOrigin = this.crossOrigin;\n\n\t\t}\n\n\t\tscope.manager.itemStart( url );\n\n\t\timage.src = url;\n\n\t\treturn image;\n\n\t}\n\n}\n\nclass CubeTextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( urls, onLoad, onProgress, onError ) {\n\n\t\tconst texture = new CubeTexture();\n\t\ttexture.colorSpace = SRGBColorSpace;\n\n\t\tconst loader = new ImageLoader( this.manager );\n\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\tloader.setPath( this.path );\n\n\t\tlet loaded = 0;\n\n\t\tfunction loadTexture( i ) {\n\n\t\t\tloader.load( urls[ i ], function ( image ) {\n\n\t\t\t\ttexture.images[ i ] = image;\n\n\t\t\t\tloaded ++;\n\n\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, undefined, onError );\n\n\t\t}\n\n\t\tfor ( let i = 0; i < urls.length; ++ i ) {\n\n\t\t\tloadTexture( i );\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n}\n\n/**\n * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...)\n *\n * Sub classes have to implement the parse() method which will be used in load().\n */\n\nclass DataTextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst texture = new DataTexture();\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setPath( this.path );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( buffer ) {\n\n\t\t\tlet texData;\n\n\t\t\ttry {\n\n\t\t\t\ttexData = scope.parse( buffer );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tif ( onError !== undefined ) {\n\n\t\t\t\t\tonError( error );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( error );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( texData.image !== undefined ) {\n\n\t\t\t\ttexture.image = texData.image;\n\n\t\t\t} else if ( texData.data !== undefined ) {\n\n\t\t\t\ttexture.image.width = texData.width;\n\t\t\t\ttexture.image.height = texData.height;\n\t\t\t\ttexture.image.data = texData.data;\n\n\t\t\t}\n\n\t\t\ttexture.wrapS = texData.wrapS !== undefined ? texData.wrapS : ClampToEdgeWrapping;\n\t\t\ttexture.wrapT = texData.wrapT !== undefined ? texData.wrapT : ClampToEdgeWrapping;\n\n\t\t\ttexture.magFilter = texData.magFilter !== undefined ? texData.magFilter : LinearFilter;\n\t\t\ttexture.minFilter = texData.minFilter !== undefined ? texData.minFilter : LinearFilter;\n\n\t\t\ttexture.anisotropy = texData.anisotropy !== undefined ? texData.anisotropy : 1;\n\n\t\t\tif ( texData.colorSpace !== undefined ) {\n\n\t\t\t\ttexture.colorSpace = texData.colorSpace;\n\n\t\t\t}\n\n\t\t\tif ( texData.flipY !== undefined ) {\n\n\t\t\t\ttexture.flipY = texData.flipY;\n\n\t\t\t}\n\n\t\t\tif ( texData.format !== undefined ) {\n\n\t\t\t\ttexture.format = texData.format;\n\n\t\t\t}\n\n\t\t\tif ( texData.type !== undefined ) {\n\n\t\t\t\ttexture.type = texData.type;\n\n\t\t\t}\n\n\t\t\tif ( texData.mipmaps !== undefined ) {\n\n\t\t\t\ttexture.mipmaps = texData.mipmaps;\n\t\t\t\ttexture.minFilter = LinearMipmapLinearFilter; // presumably...\n\n\t\t\t}\n\n\t\t\tif ( texData.mipmapCount === 1 ) {\n\n\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t}\n\n\t\t\tif ( texData.generateMipmaps !== undefined ) {\n\n\t\t\t\ttexture.generateMipmaps = texData.generateMipmaps;\n\n\t\t\t}\n\n\t\t\ttexture.needsUpdate = true;\n\n\t\t\tif ( onLoad ) onLoad( texture, texData );\n\n\t\t}, onProgress, onError );\n\n\n\t\treturn texture;\n\n\t}\n\n}\n\nclass TextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst texture = new Texture();\n\n\t\tconst loader = new ImageLoader( this.manager );\n\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\tloader.setPath( this.path );\n\n\t\tloader.load( url, function ( image ) {\n\n\t\t\ttexture.image = image;\n\t\t\ttexture.needsUpdate = true;\n\n\t\t\tif ( onLoad !== undefined ) {\n\n\t\t\t\tonLoad( texture );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t\treturn texture;\n\n\t}\n\n}\n\nclass Light extends Object3D {\n\n\tconstructor( color, intensity = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.isLight = true;\n\n\t\tthis.type = 'Light';\n\n\t\tthis.color = new Color( color );\n\t\tthis.intensity = intensity;\n\n\t}\n\n\tdispose() {\n\n\t\t// Empty here in base class; some subclasses override.\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.intensity = source.intensity;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.color = this.color.getHex();\n\t\tdata.object.intensity = this.intensity;\n\n\t\tif ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex();\n\n\t\tif ( this.distance !== undefined ) data.object.distance = this.distance;\n\t\tif ( this.angle !== undefined ) data.object.angle = this.angle;\n\t\tif ( this.decay !== undefined ) data.object.decay = this.decay;\n\t\tif ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra;\n\n\t\tif ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON();\n\t\tif ( this.target !== undefined ) data.object.target = this.target.uuid;\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass HemisphereLight extends Light {\n\n\tconstructor( skyColor, groundColor, intensity ) {\n\n\t\tsuper( skyColor, intensity );\n\n\t\tthis.isHemisphereLight = true;\n\n\t\tthis.type = 'HemisphereLight';\n\n\t\tthis.position.copy( Object3D.DEFAULT_UP );\n\t\tthis.updateMatrix();\n\n\t\tthis.groundColor = new Color( groundColor );\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.groundColor.copy( source.groundColor );\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _projScreenMatrix$1 = /*@__PURE__*/ new Matrix4();\nconst _lightPositionWorld$1 = /*@__PURE__*/ new Vector3();\nconst _lookTarget$1 = /*@__PURE__*/ new Vector3();\n\nclass LightShadow {\n\n\tconstructor( camera ) {\n\n\t\tthis.camera = camera;\n\n\t\tthis.intensity = 1;\n\n\t\tthis.bias = 0;\n\t\tthis.normalBias = 0;\n\t\tthis.radius = 1;\n\t\tthis.blurSamples = 8;\n\n\t\tthis.mapSize = new Vector2( 512, 512 );\n\n\t\tthis.map = null;\n\t\tthis.mapPass = null;\n\t\tthis.matrix = new Matrix4();\n\n\t\tthis.autoUpdate = true;\n\t\tthis.needsUpdate = false;\n\n\t\tthis._frustum = new Frustum();\n\t\tthis._frameExtents = new Vector2( 1, 1 );\n\n\t\tthis._viewportCount = 1;\n\n\t\tthis._viewports = [\n\n\t\t\tnew Vector4( 0, 0, 1, 1 )\n\n\t\t];\n\n\t}\n\n\tgetViewportCount() {\n\n\t\treturn this._viewportCount;\n\n\t}\n\n\tgetFrustum() {\n\n\t\treturn this._frustum;\n\n\t}\n\n\tupdateMatrices( light ) {\n\n\t\tconst shadowCamera = this.camera;\n\t\tconst shadowMatrix = this.matrix;\n\n\t\t_lightPositionWorld$1.setFromMatrixPosition( light.matrixWorld );\n\t\tshadowCamera.position.copy( _lightPositionWorld$1 );\n\n\t\t_lookTarget$1.setFromMatrixPosition( light.target.matrixWorld );\n\t\tshadowCamera.lookAt( _lookTarget$1 );\n\t\tshadowCamera.updateMatrixWorld();\n\n\t\t_projScreenMatrix$1.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse );\n\t\tthis._frustum.setFromProjectionMatrix( _projScreenMatrix$1 );\n\n\t\tshadowMatrix.set(\n\t\t\t0.5, 0.0, 0.0, 0.5,\n\t\t\t0.0, 0.5, 0.0, 0.5,\n\t\t\t0.0, 0.0, 0.5, 0.5,\n\t\t\t0.0, 0.0, 0.0, 1.0\n\t\t);\n\n\t\tshadowMatrix.multiply( _projScreenMatrix$1 );\n\n\t}\n\n\tgetViewport( viewportIndex ) {\n\n\t\treturn this._viewports[ viewportIndex ];\n\n\t}\n\n\tgetFrameExtents() {\n\n\t\treturn this._frameExtents;\n\n\t}\n\n\tdispose() {\n\n\t\tif ( this.map ) {\n\n\t\t\tthis.map.dispose();\n\n\t\t}\n\n\t\tif ( this.mapPass ) {\n\n\t\t\tthis.mapPass.dispose();\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.camera = source.camera.clone();\n\n\t\tthis.intensity = source.intensity;\n\n\t\tthis.bias = source.bias;\n\t\tthis.radius = source.radius;\n\n\t\tthis.mapSize.copy( source.mapSize );\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst object = {};\n\n\t\tif ( this.intensity !== 1 ) object.intensity = this.intensity;\n\t\tif ( this.bias !== 0 ) object.bias = this.bias;\n\t\tif ( this.normalBias !== 0 ) object.normalBias = this.normalBias;\n\t\tif ( this.radius !== 1 ) object.radius = this.radius;\n\t\tif ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray();\n\n\t\tobject.camera = this.camera.toJSON( false ).object;\n\t\tdelete object.camera.matrix;\n\n\t\treturn object;\n\n\t}\n\n}\n\nclass SpotLightShadow extends LightShadow {\n\n\tconstructor() {\n\n\t\tsuper( new PerspectiveCamera( 50, 1, 0.5, 500 ) );\n\n\t\tthis.isSpotLightShadow = true;\n\n\t\tthis.focus = 1;\n\n\t}\n\n\tupdateMatrices( light ) {\n\n\t\tconst camera = this.camera;\n\n\t\tconst fov = RAD2DEG * 2 * light.angle * this.focus;\n\t\tconst aspect = this.mapSize.width / this.mapSize.height;\n\t\tconst far = light.distance || camera.far;\n\n\t\tif ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) {\n\n\t\t\tcamera.fov = fov;\n\t\t\tcamera.aspect = aspect;\n\t\t\tcamera.far = far;\n\t\t\tcamera.updateProjectionMatrix();\n\n\t\t}\n\n\t\tsuper.updateMatrices( light );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.focus = source.focus;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass SpotLight extends Light {\n\n\tconstructor( color, intensity, distance = 0, angle = Math.PI / 3, penumbra = 0, decay = 2 ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.isSpotLight = true;\n\n\t\tthis.type = 'SpotLight';\n\n\t\tthis.position.copy( Object3D.DEFAULT_UP );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tthis.distance = distance;\n\t\tthis.angle = angle;\n\t\tthis.penumbra = penumbra;\n\t\tthis.decay = decay;\n\n\t\tthis.map = null;\n\n\t\tthis.shadow = new SpotLightShadow();\n\n\t}\n\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in candela)\n\t\t// by convention for a spotlight, luminous power (lm) = \u03C0 * luminous intensity (cd)\n\t\treturn this.intensity * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in candela) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / Math.PI;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.distance = source.distance;\n\t\tthis.angle = source.angle;\n\t\tthis.penumbra = source.penumbra;\n\t\tthis.decay = source.decay;\n\n\t\tthis.target = source.target.clone();\n\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _projScreenMatrix = /*@__PURE__*/ new Matrix4();\nconst _lightPositionWorld = /*@__PURE__*/ new Vector3();\nconst _lookTarget = /*@__PURE__*/ new Vector3();\n\nclass PointLightShadow extends LightShadow {\n\n\tconstructor() {\n\n\t\tsuper( new PerspectiveCamera( 90, 1, 0.5, 500 ) );\n\n\t\tthis.isPointLightShadow = true;\n\n\t\tthis._frameExtents = new Vector2( 4, 2 );\n\n\t\tthis._viewportCount = 6;\n\n\t\tthis._viewports = [\n\t\t\t// These viewports map a cube-map onto a 2D texture with the\n\t\t\t// following orientation:\n\t\t\t//\n\t\t\t// xzXZ\n\t\t\t// y Y\n\t\t\t//\n\t\t\t// X - Positive x direction\n\t\t\t// x - Negative x direction\n\t\t\t// Y - Positive y direction\n\t\t\t// y - Negative y direction\n\t\t\t// Z - Positive z direction\n\t\t\t// z - Negative z direction\n\n\t\t\t// positive X\n\t\t\tnew Vector4( 2, 1, 1, 1 ),\n\t\t\t// negative X\n\t\t\tnew Vector4( 0, 1, 1, 1 ),\n\t\t\t// positive Z\n\t\t\tnew Vector4( 3, 1, 1, 1 ),\n\t\t\t// negative Z\n\t\t\tnew Vector4( 1, 1, 1, 1 ),\n\t\t\t// positive Y\n\t\t\tnew Vector4( 3, 0, 1, 1 ),\n\t\t\t// negative Y\n\t\t\tnew Vector4( 1, 0, 1, 1 )\n\t\t];\n\n\t\tthis._cubeDirections = [\n\t\t\tnew Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ),\n\t\t\tnew Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 )\n\t\t];\n\n\t\tthis._cubeUps = [\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ),\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ),\tnew Vector3( 0, 0, - 1 )\n\t\t];\n\n\t}\n\n\tupdateMatrices( light, viewportIndex = 0 ) {\n\n\t\tconst camera = this.camera;\n\t\tconst shadowMatrix = this.matrix;\n\n\t\tconst far = light.distance || camera.far;\n\n\t\tif ( far !== camera.far ) {\n\n\t\t\tcamera.far = far;\n\t\t\tcamera.updateProjectionMatrix();\n\n\t\t}\n\n\t\t_lightPositionWorld.setFromMatrixPosition( light.matrixWorld );\n\t\tcamera.position.copy( _lightPositionWorld );\n\n\t\t_lookTarget.copy( camera.position );\n\t\t_lookTarget.add( this._cubeDirections[ viewportIndex ] );\n\t\tcamera.up.copy( this._cubeUps[ viewportIndex ] );\n\t\tcamera.lookAt( _lookTarget );\n\t\tcamera.updateMatrixWorld();\n\n\t\tshadowMatrix.makeTranslation( - _lightPositionWorld.x, - _lightPositionWorld.y, - _lightPositionWorld.z );\n\n\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\tthis._frustum.setFromProjectionMatrix( _projScreenMatrix );\n\n\t}\n\n}\n\nclass PointLight extends Light {\n\n\tconstructor( color, intensity, distance = 0, decay = 2 ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.isPointLight = true;\n\n\t\tthis.type = 'PointLight';\n\n\t\tthis.distance = distance;\n\t\tthis.decay = decay;\n\n\t\tthis.shadow = new PointLightShadow();\n\n\t}\n\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in candela)\n\t\t// for an isotropic light source, luminous power (lm) = 4 \u03C0 luminous intensity (cd)\n\t\treturn this.intensity * 4 * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in candela) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / ( 4 * Math.PI );\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.distance = source.distance;\n\t\tthis.decay = source.decay;\n\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass OrthographicCamera extends Camera {\n\n\tconstructor( left = - 1, right = 1, top = 1, bottom = - 1, near = 0.1, far = 2000 ) {\n\n\t\tsuper();\n\n\t\tthis.isOrthographicCamera = true;\n\n\t\tthis.type = 'OrthographicCamera';\n\n\t\tthis.zoom = 1;\n\t\tthis.view = null;\n\n\t\tthis.left = left;\n\t\tthis.right = right;\n\t\tthis.top = top;\n\t\tthis.bottom = bottom;\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.left = source.left;\n\t\tthis.right = source.right;\n\t\tthis.top = source.top;\n\t\tthis.bottom = source.bottom;\n\t\tthis.near = source.near;\n\t\tthis.far = source.far;\n\n\t\tthis.zoom = source.zoom;\n\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\treturn this;\n\n\t}\n\n\tsetViewOffset( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\tif ( this.view === null ) {\n\n\t\t\tthis.view = {\n\t\t\t\tenabled: true,\n\t\t\t\tfullWidth: 1,\n\t\t\t\tfullHeight: 1,\n\t\t\t\toffsetX: 0,\n\t\t\t\toffsetY: 0,\n\t\t\t\twidth: 1,\n\t\t\t\theight: 1\n\t\t\t};\n\n\t\t}\n\n\t\tthis.view.enabled = true;\n\t\tthis.view.fullWidth = fullWidth;\n\t\tthis.view.fullHeight = fullHeight;\n\t\tthis.view.offsetX = x;\n\t\tthis.view.offsetY = y;\n\t\tthis.view.width = width;\n\t\tthis.view.height = height;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tclearViewOffset() {\n\n\t\tif ( this.view !== null ) {\n\n\t\t\tthis.view.enabled = false;\n\n\t\t}\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tupdateProjectionMatrix() {\n\n\t\tconst dx = ( this.right - this.left ) / ( 2 * this.zoom );\n\t\tconst dy = ( this.top - this.bottom ) / ( 2 * this.zoom );\n\t\tconst cx = ( this.right + this.left ) / 2;\n\t\tconst cy = ( this.top + this.bottom ) / 2;\n\n\t\tlet left = cx - dx;\n\t\tlet right = cx + dx;\n\t\tlet top = cy + dy;\n\t\tlet bottom = cy - dy;\n\n\t\tif ( this.view !== null && this.view.enabled ) {\n\n\t\t\tconst scaleW = ( this.right - this.left ) / this.view.fullWidth / this.zoom;\n\t\t\tconst scaleH = ( this.top - this.bottom ) / this.view.fullHeight / this.zoom;\n\n\t\t\tleft += scaleW * this.view.offsetX;\n\t\t\tright = left + scaleW * this.view.width;\n\t\t\ttop -= scaleH * this.view.offsetY;\n\t\t\tbottom = top - scaleH * this.view.height;\n\n\t\t}\n\n\t\tthis.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far, this.coordinateSystem );\n\n\t\tthis.projectionMatrixInverse.copy( this.projectionMatrix ).invert();\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.zoom = this.zoom;\n\t\tdata.object.left = this.left;\n\t\tdata.object.right = this.right;\n\t\tdata.object.top = this.top;\n\t\tdata.object.bottom = this.bottom;\n\t\tdata.object.near = this.near;\n\t\tdata.object.far = this.far;\n\n\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass DirectionalLightShadow extends LightShadow {\n\n\tconstructor() {\n\n\t\tsuper( new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) );\n\n\t\tthis.isDirectionalLightShadow = true;\n\n\t}\n\n}\n\nclass DirectionalLight extends Light {\n\n\tconstructor( color, intensity ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.isDirectionalLight = true;\n\n\t\tthis.type = 'DirectionalLight';\n\n\t\tthis.position.copy( Object3D.DEFAULT_UP );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tthis.shadow = new DirectionalLightShadow();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.target = source.target.clone();\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass AmbientLight extends Light {\n\n\tconstructor( color, intensity ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.isAmbientLight = true;\n\n\t\tthis.type = 'AmbientLight';\n\n\t}\n\n}\n\nclass RectAreaLight extends Light {\n\n\tconstructor( color, intensity, width = 10, height = 10 ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.isRectAreaLight = true;\n\n\t\tthis.type = 'RectAreaLight';\n\n\t\tthis.width = width;\n\t\tthis.height = height;\n\n\t}\n\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in nits)\n\t\treturn this.intensity * this.width * this.height * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in nits) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / ( this.width * this.height * Math.PI );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.width = source.width;\n\t\tthis.height = source.height;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.width = this.width;\n\t\tdata.object.height = this.height;\n\n\t\treturn data;\n\n\t}\n\n}\n\n/**\n * Primary reference:\n * https://graphics.stanford.edu/papers/envmap/envmap.pdf\n *\n * Secondary reference:\n * https://www.ppsloan.org/publications/StupidSH36.pdf\n */\n\n// 3-band SH defined by 9 coefficients\n\nclass SphericalHarmonics3 {\n\n\tconstructor() {\n\n\t\tthis.isSphericalHarmonics3 = true;\n\n\t\tthis.coefficients = [];\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients.push( new Vector3() );\n\n\t\t}\n\n\t}\n\n\tset( coefficients ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].copy( coefficients[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tzero() {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].set( 0, 0, 0 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// get the radiance in the direction of the normal\n\t// target is a Vector3\n\tgetAt( normal, target ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\tconst coeff = this.coefficients;\n\n\t\t// band 0\n\t\ttarget.copy( coeff[ 0 ] ).multiplyScalar( 0.282095 );\n\n\t\t// band 1\n\t\ttarget.addScaledVector( coeff[ 1 ], 0.488603 * y );\n\t\ttarget.addScaledVector( coeff[ 2 ], 0.488603 * z );\n\t\ttarget.addScaledVector( coeff[ 3 ], 0.488603 * x );\n\n\t\t// band 2\n\t\ttarget.addScaledVector( coeff[ 4 ], 1.092548 * ( x * y ) );\n\t\ttarget.addScaledVector( coeff[ 5 ], 1.092548 * ( y * z ) );\n\t\ttarget.addScaledVector( coeff[ 6 ], 0.315392 * ( 3.0 * z * z - 1.0 ) );\n\t\ttarget.addScaledVector( coeff[ 7 ], 1.092548 * ( x * z ) );\n\t\ttarget.addScaledVector( coeff[ 8 ], 0.546274 * ( x * x - y * y ) );\n\n\t\treturn target;\n\n\t}\n\n\t// get the irradiance (radiance convolved with cosine lobe) in the direction of the normal\n\t// target is a Vector3\n\t// https://graphics.stanford.edu/papers/envmap/envmap.pdf\n\tgetIrradianceAt( normal, target ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\tconst coeff = this.coefficients;\n\n\t\t// band 0\n\t\ttarget.copy( coeff[ 0 ] ).multiplyScalar( 0.886227 ); // \u03C0 * 0.282095\n\n\t\t// band 1\n\t\ttarget.addScaledVector( coeff[ 1 ], 2.0 * 0.511664 * y ); // ( 2 * \u03C0 / 3 ) * 0.488603\n\t\ttarget.addScaledVector( coeff[ 2 ], 2.0 * 0.511664 * z );\n\t\ttarget.addScaledVector( coeff[ 3 ], 2.0 * 0.511664 * x );\n\n\t\t// band 2\n\t\ttarget.addScaledVector( coeff[ 4 ], 2.0 * 0.429043 * x * y ); // ( \u03C0 / 4 ) * 1.092548\n\t\ttarget.addScaledVector( coeff[ 5 ], 2.0 * 0.429043 * y * z );\n\t\ttarget.addScaledVector( coeff[ 6 ], 0.743125 * z * z - 0.247708 ); // ( \u03C0 / 4 ) * 0.315392 * 3\n\t\ttarget.addScaledVector( coeff[ 7 ], 2.0 * 0.429043 * x * z );\n\t\ttarget.addScaledVector( coeff[ 8 ], 0.429043 * ( x * x - y * y ) ); // ( \u03C0 / 4 ) * 0.546274\n\n\t\treturn target;\n\n\t}\n\n\tadd( sh ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].add( sh.coefficients[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\taddScaledSH( sh, s ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].addScaledVector( sh.coefficients[ i ], s );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tscale( s ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].multiplyScalar( s );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tlerp( sh, alpha ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].lerp( sh.coefficients[ i ], alpha );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tequals( sh ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tif ( ! this.coefficients[ i ].equals( sh.coefficients[ i ] ) ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tcopy( sh ) {\n\n\t\treturn this.set( sh.coefficients );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tconst coefficients = this.coefficients;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tcoefficients[ i ].fromArray( array, offset + ( i * 3 ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst coefficients = this.coefficients;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tcoefficients[ i ].toArray( array, offset + ( i * 3 ) );\n\n\t\t}\n\n\t\treturn array;\n\n\t}\n\n\t// evaluate the basis functions\n\t// shBasis is an Array[ 9 ]\n\tstatic getBasisAt( normal, shBasis ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\t// band 0\n\t\tshBasis[ 0 ] = 0.282095;\n\n\t\t// band 1\n\t\tshBasis[ 1 ] = 0.488603 * y;\n\t\tshBasis[ 2 ] = 0.488603 * z;\n\t\tshBasis[ 3 ] = 0.488603 * x;\n\n\t\t// band 2\n\t\tshBasis[ 4 ] = 1.092548 * x * y;\n\t\tshBasis[ 5 ] = 1.092548 * y * z;\n\t\tshBasis[ 6 ] = 0.315392 * ( 3 * z * z - 1 );\n\t\tshBasis[ 7 ] = 1.092548 * x * z;\n\t\tshBasis[ 8 ] = 0.546274 * ( x * x - y * y );\n\n\t}\n\n}\n\nclass LightProbe extends Light {\n\n\tconstructor( sh = new SphericalHarmonics3(), intensity = 1 ) {\n\n\t\tsuper( undefined, intensity );\n\n\t\tthis.isLightProbe = true;\n\n\t\tthis.sh = sh;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.sh.copy( source.sh );\n\n\t\treturn this;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tthis.intensity = json.intensity; // TODO: Move this bit to Light.fromJSON();\n\t\tthis.sh.fromArray( json.sh );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.sh = this.sh.toArray();\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass MaterialLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\t\tthis.textures = {};\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( scope.manager );\n\t\tloader.setPath( scope.path );\n\t\tloader.setRequestHeader( scope.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\tconst textures = this.textures;\n\n\t\tfunction getTexture( name ) {\n\n\t\t\tif ( textures[ name ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.MaterialLoader: Undefined texture', name );\n\n\t\t\t}\n\n\t\t\treturn textures[ name ];\n\n\t\t}\n\n\t\tconst material = this.createMaterialFromType( json.type );\n\n\t\tif ( json.uuid !== undefined ) material.uuid = json.uuid;\n\t\tif ( json.name !== undefined ) material.name = json.name;\n\t\tif ( json.color !== undefined && material.color !== undefined ) material.color.setHex( json.color );\n\t\tif ( json.roughness !== undefined ) material.roughness = json.roughness;\n\t\tif ( json.metalness !== undefined ) material.metalness = json.metalness;\n\t\tif ( json.sheen !== undefined ) material.sheen = json.sheen;\n\t\tif ( json.sheenColor !== undefined ) material.sheenColor = new Color().setHex( json.sheenColor );\n\t\tif ( json.sheenRoughness !== undefined ) material.sheenRoughness = json.sheenRoughness;\n\t\tif ( json.emissive !== undefined && material.emissive !== undefined ) material.emissive.setHex( json.emissive );\n\t\tif ( json.specular !== undefined && material.specular !== undefined ) material.specular.setHex( json.specular );\n\t\tif ( json.specularIntensity !== undefined ) material.specularIntensity = json.specularIntensity;\n\t\tif ( json.specularColor !== undefined && material.specularColor !== undefined ) material.specularColor.setHex( json.specularColor );\n\t\tif ( json.shininess !== undefined ) material.shininess = json.shininess;\n\t\tif ( json.clearcoat !== undefined ) material.clearcoat = json.clearcoat;\n\t\tif ( json.clearcoatRoughness !== undefined ) material.clearcoatRoughness = json.clearcoatRoughness;\n\t\tif ( json.dispersion !== undefined ) material.dispersion = json.dispersion;\n\t\tif ( json.iridescence !== undefined ) material.iridescence = json.iridescence;\n\t\tif ( json.iridescenceIOR !== undefined ) material.iridescenceIOR = json.iridescenceIOR;\n\t\tif ( json.iridescenceThicknessRange !== undefined ) material.iridescenceThicknessRange = json.iridescenceThicknessRange;\n\t\tif ( json.transmission !== undefined ) material.transmission = json.transmission;\n\t\tif ( json.thickness !== undefined ) material.thickness = json.thickness;\n\t\tif ( json.attenuationDistance !== undefined ) material.attenuationDistance = json.attenuationDistance;\n\t\tif ( json.attenuationColor !== undefined && material.attenuationColor !== undefined ) material.attenuationColor.setHex( json.attenuationColor );\n\t\tif ( json.anisotropy !== undefined ) material.anisotropy = json.anisotropy;\n\t\tif ( json.anisotropyRotation !== undefined ) material.anisotropyRotation = json.anisotropyRotation;\n\t\tif ( json.fog !== undefined ) material.fog = json.fog;\n\t\tif ( json.flatShading !== undefined ) material.flatShading = json.flatShading;\n\t\tif ( json.blending !== undefined ) material.blending = json.blending;\n\t\tif ( json.combine !== undefined ) material.combine = json.combine;\n\t\tif ( json.side !== undefined ) material.side = json.side;\n\t\tif ( json.shadowSide !== undefined ) material.shadowSide = json.shadowSide;\n\t\tif ( json.opacity !== undefined ) material.opacity = json.opacity;\n\t\tif ( json.transparent !== undefined ) material.transparent = json.transparent;\n\t\tif ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest;\n\t\tif ( json.alphaHash !== undefined ) material.alphaHash = json.alphaHash;\n\t\tif ( json.depthFunc !== undefined ) material.depthFunc = json.depthFunc;\n\t\tif ( json.depthTest !== undefined ) material.depthTest = json.depthTest;\n\t\tif ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite;\n\t\tif ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite;\n\t\tif ( json.blendSrc !== undefined ) material.blendSrc = json.blendSrc;\n\t\tif ( json.blendDst !== undefined ) material.blendDst = json.blendDst;\n\t\tif ( json.blendEquation !== undefined ) material.blendEquation = json.blendEquation;\n\t\tif ( json.blendSrcAlpha !== undefined ) material.blendSrcAlpha = json.blendSrcAlpha;\n\t\tif ( json.blendDstAlpha !== undefined ) material.blendDstAlpha = json.blendDstAlpha;\n\t\tif ( json.blendEquationAlpha !== undefined ) material.blendEquationAlpha = json.blendEquationAlpha;\n\t\tif ( json.blendColor !== undefined && material.blendColor !== undefined ) material.blendColor.setHex( json.blendColor );\n\t\tif ( json.blendAlpha !== undefined ) material.blendAlpha = json.blendAlpha;\n\t\tif ( json.stencilWriteMask !== undefined ) material.stencilWriteMask = json.stencilWriteMask;\n\t\tif ( json.stencilFunc !== undefined ) material.stencilFunc = json.stencilFunc;\n\t\tif ( json.stencilRef !== undefined ) material.stencilRef = json.stencilRef;\n\t\tif ( json.stencilFuncMask !== undefined ) material.stencilFuncMask = json.stencilFuncMask;\n\t\tif ( json.stencilFail !== undefined ) material.stencilFail = json.stencilFail;\n\t\tif ( json.stencilZFail !== undefined ) material.stencilZFail = json.stencilZFail;\n\t\tif ( json.stencilZPass !== undefined ) material.stencilZPass = json.stencilZPass;\n\t\tif ( json.stencilWrite !== undefined ) material.stencilWrite = json.stencilWrite;\n\n\t\tif ( json.wireframe !== undefined ) material.wireframe = json.wireframe;\n\t\tif ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth;\n\t\tif ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap;\n\t\tif ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin;\n\n\t\tif ( json.rotation !== undefined ) material.rotation = json.rotation;\n\n\t\tif ( json.linewidth !== undefined ) material.linewidth = json.linewidth;\n\t\tif ( json.dashSize !== undefined ) material.dashSize = json.dashSize;\n\t\tif ( json.gapSize !== undefined ) material.gapSize = json.gapSize;\n\t\tif ( json.scale !== undefined ) material.scale = json.scale;\n\n\t\tif ( json.polygonOffset !== undefined ) material.polygonOffset = json.polygonOffset;\n\t\tif ( json.polygonOffsetFactor !== undefined ) material.polygonOffsetFactor = json.polygonOffsetFactor;\n\t\tif ( json.polygonOffsetUnits !== undefined ) material.polygonOffsetUnits = json.polygonOffsetUnits;\n\n\t\tif ( json.dithering !== undefined ) material.dithering = json.dithering;\n\n\t\tif ( json.alphaToCoverage !== undefined ) material.alphaToCoverage = json.alphaToCoverage;\n\t\tif ( json.premultipliedAlpha !== undefined ) material.premultipliedAlpha = json.premultipliedAlpha;\n\t\tif ( json.forceSinglePass !== undefined ) material.forceSinglePass = json.forceSinglePass;\n\n\t\tif ( json.visible !== undefined ) material.visible = json.visible;\n\n\t\tif ( json.toneMapped !== undefined ) material.toneMapped = json.toneMapped;\n\n\t\tif ( json.userData !== undefined ) material.userData = json.userData;\n\n\t\tif ( json.vertexColors !== undefined ) {\n\n\t\t\tif ( typeof json.vertexColors === 'number' ) {\n\n\t\t\t\tmaterial.vertexColors = ( json.vertexColors > 0 ) ? true : false;\n\n\t\t\t} else {\n\n\t\t\t\tmaterial.vertexColors = json.vertexColors;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Shader Material\n\n\t\tif ( json.uniforms !== undefined ) {\n\n\t\t\tfor ( const name in json.uniforms ) {\n\n\t\t\t\tconst uniform = json.uniforms[ name ];\n\n\t\t\t\tmaterial.uniforms[ name ] = {};\n\n\t\t\t\tswitch ( uniform.type ) {\n\n\t\t\t\t\tcase 't':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = getTexture( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'c':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Color().setHex( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v2':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector2().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v3':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector3().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v4':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector4().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'm3':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Matrix3().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'm4':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Matrix4().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = uniform.value;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json.defines !== undefined ) material.defines = json.defines;\n\t\tif ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader;\n\t\tif ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader;\n\t\tif ( json.glslVersion !== undefined ) material.glslVersion = json.glslVersion;\n\n\t\tif ( json.extensions !== undefined ) {\n\n\t\t\tfor ( const key in json.extensions ) {\n\n\t\t\t\tmaterial.extensions[ key ] = json.extensions[ key ];\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json.lights !== undefined ) material.lights = json.lights;\n\t\tif ( json.clipping !== undefined ) material.clipping = json.clipping;\n\n\t\t// for PointsMaterial\n\n\t\tif ( json.size !== undefined ) material.size = json.size;\n\t\tif ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation;\n\n\t\t// maps\n\n\t\tif ( json.map !== undefined ) material.map = getTexture( json.map );\n\t\tif ( json.matcap !== undefined ) material.matcap = getTexture( json.matcap );\n\n\t\tif ( json.alphaMap !== undefined ) material.alphaMap = getTexture( json.alphaMap );\n\n\t\tif ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap );\n\t\tif ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale;\n\n\t\tif ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap );\n\t\tif ( json.normalMapType !== undefined ) material.normalMapType = json.normalMapType;\n\t\tif ( json.normalScale !== undefined ) {\n\n\t\t\tlet normalScale = json.normalScale;\n\n\t\t\tif ( Array.isArray( normalScale ) === false ) {\n\n\t\t\t\t// Blender exporter used to export a scalar. See #7459\n\n\t\t\t\tnormalScale = [ normalScale, normalScale ];\n\n\t\t\t}\n\n\t\t\tmaterial.normalScale = new Vector2().fromArray( normalScale );\n\n\t\t}\n\n\t\tif ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap );\n\t\tif ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale;\n\t\tif ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias;\n\n\t\tif ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap );\n\t\tif ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap );\n\n\t\tif ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap );\n\t\tif ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity;\n\n\t\tif ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap );\n\t\tif ( json.specularIntensityMap !== undefined ) material.specularIntensityMap = getTexture( json.specularIntensityMap );\n\t\tif ( json.specularColorMap !== undefined ) material.specularColorMap = getTexture( json.specularColorMap );\n\n\t\tif ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap );\n\t\tif ( json.envMapRotation !== undefined ) material.envMapRotation.fromArray( json.envMapRotation );\n\t\tif ( json.envMapIntensity !== undefined ) material.envMapIntensity = json.envMapIntensity;\n\n\t\tif ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity;\n\t\tif ( json.refractionRatio !== undefined ) material.refractionRatio = json.refractionRatio;\n\n\t\tif ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap );\n\t\tif ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity;\n\n\t\tif ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap );\n\t\tif ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity;\n\n\t\tif ( json.gradientMap !== undefined ) material.gradientMap = getTexture( json.gradientMap );\n\n\t\tif ( json.clearcoatMap !== undefined ) material.clearcoatMap = getTexture( json.clearcoatMap );\n\t\tif ( json.clearcoatRoughnessMap !== undefined ) material.clearcoatRoughnessMap = getTexture( json.clearcoatRoughnessMap );\n\t\tif ( json.clearcoatNormalMap !== undefined ) material.clearcoatNormalMap = getTexture( json.clearcoatNormalMap );\n\t\tif ( json.clearcoatNormalScale !== undefined ) material.clearcoatNormalScale = new Vector2().fromArray( json.clearcoatNormalScale );\n\n\t\tif ( json.iridescenceMap !== undefined ) material.iridescenceMap = getTexture( json.iridescenceMap );\n\t\tif ( json.iridescenceThicknessMap !== undefined ) material.iridescenceThicknessMap = getTexture( json.iridescenceThicknessMap );\n\n\t\tif ( json.transmissionMap !== undefined ) material.transmissionMap = getTexture( json.transmissionMap );\n\t\tif ( json.thicknessMap !== undefined ) material.thicknessMap = getTexture( json.thicknessMap );\n\n\t\tif ( json.anisotropyMap !== undefined ) material.anisotropyMap = getTexture( json.anisotropyMap );\n\n\t\tif ( json.sheenColorMap !== undefined ) material.sheenColorMap = getTexture( json.sheenColorMap );\n\t\tif ( json.sheenRoughnessMap !== undefined ) material.sheenRoughnessMap = getTexture( json.sheenRoughnessMap );\n\n\t\treturn material;\n\n\t}\n\n\tsetTextures( value ) {\n\n\t\tthis.textures = value;\n\t\treturn this;\n\n\t}\n\n\tcreateMaterialFromType( type ) {\n\n\t\treturn MaterialLoader.createMaterialFromType( type );\n\n\t}\n\n\tstatic createMaterialFromType( type ) {\n\n\t\tconst materialLib = {\n\t\t\tShadowMaterial,\n\t\t\tSpriteMaterial,\n\t\t\tRawShaderMaterial,\n\t\t\tShaderMaterial,\n\t\t\tPointsMaterial,\n\t\t\tMeshPhysicalMaterial,\n\t\t\tMeshStandardMaterial,\n\t\t\tMeshPhongMaterial,\n\t\t\tMeshToonMaterial,\n\t\t\tMeshNormalMaterial,\n\t\t\tMeshLambertMaterial,\n\t\t\tMeshDepthMaterial,\n\t\t\tMeshDistanceMaterial,\n\t\t\tMeshBasicMaterial,\n\t\t\tMeshMatcapMaterial,\n\t\t\tLineDashedMaterial,\n\t\t\tLineBasicMaterial,\n\t\t\tMaterial\n\t\t};\n\n\t\treturn new materialLib[ type ]();\n\n\t}\n\n}\n\nclass LoaderUtils {\n\n\tstatic decodeText( array ) { // @deprecated, r165\n\n\t\tconsole.warn( 'THREE.LoaderUtils: decodeText() has been deprecated with r165 and will be removed with r175. Use TextDecoder instead.' );\n\n\t\tif ( typeof TextDecoder !== 'undefined' ) {\n\n\t\t\treturn new TextDecoder().decode( array );\n\n\t\t}\n\n\t\t// Avoid the String.fromCharCode.apply(null, array) shortcut, which\n\t\t// throws a \"maximum call stack size exceeded\" error for large arrays.\n\n\t\tlet s = '';\n\n\t\tfor ( let i = 0, il = array.length; i < il; i ++ ) {\n\n\t\t\t// Implicitly assumes little-endian.\n\t\t\ts += String.fromCharCode( array[ i ] );\n\n\t\t}\n\n\t\ttry {\n\n\t\t\t// merges multi-byte utf-8 characters.\n\n\t\t\treturn decodeURIComponent( escape( s ) );\n\n\t\t} catch ( e ) { // see #16358\n\n\t\t\treturn s;\n\n\t\t}\n\n\t}\n\n\tstatic extractUrlBase( url ) {\n\n\t\tconst index = url.lastIndexOf( '/' );\n\n\t\tif ( index === - 1 ) return './';\n\n\t\treturn url.slice( 0, index + 1 );\n\n\t}\n\n\tstatic resolveURL( url, path ) {\n\n\t\t// Invalid URL\n\t\tif ( typeof url !== 'string' || url === '' ) return '';\n\n\t\t// Host Relative URL\n\t\tif ( /^https?:\\/\\//i.test( path ) && /^\\//.test( url ) ) {\n\n\t\t\tpath = path.replace( /(^https?:\\/\\/[^\\/]+).*/i, '$1' );\n\n\t\t}\n\n\t\t// Absolute URL http://,https://,//\n\t\tif ( /^(https?:)?\\/\\//i.test( url ) ) return url;\n\n\t\t// Data URI\n\t\tif ( /^data:.*,.*$/i.test( url ) ) return url;\n\n\t\t// Blob URL\n\t\tif ( /^blob:.*$/i.test( url ) ) return url;\n\n\t\t// Relative URL\n\t\treturn path + url;\n\n\t}\n\n}\n\nclass InstancedBufferGeometry extends BufferGeometry {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isInstancedBufferGeometry = true;\n\n\t\tthis.type = 'InstancedBufferGeometry';\n\t\tthis.instanceCount = Infinity;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.instanceCount = source.instanceCount;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.instanceCount = this.instanceCount;\n\n\t\tdata.isInstancedBufferGeometry = true;\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass BufferGeometryLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( scope.manager );\n\t\tloader.setPath( scope.path );\n\t\tloader.setRequestHeader( scope.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\tconst interleavedBufferMap = {};\n\t\tconst arrayBufferMap = {};\n\n\t\tfunction getInterleavedBuffer( json, uuid ) {\n\n\t\t\tif ( interleavedBufferMap[ uuid ] !== undefined ) return interleavedBufferMap[ uuid ];\n\n\t\t\tconst interleavedBuffers = json.interleavedBuffers;\n\t\t\tconst interleavedBuffer = interleavedBuffers[ uuid ];\n\n\t\t\tconst buffer = getArrayBuffer( json, interleavedBuffer.buffer );\n\n\t\t\tconst array = getTypedArray( interleavedBuffer.type, buffer );\n\t\t\tconst ib = new InterleavedBuffer( array, interleavedBuffer.stride );\n\t\t\tib.uuid = interleavedBuffer.uuid;\n\n\t\t\tinterleavedBufferMap[ uuid ] = ib;\n\n\t\t\treturn ib;\n\n\t\t}\n\n\t\tfunction getArrayBuffer( json, uuid ) {\n\n\t\t\tif ( arrayBufferMap[ uuid ] !== undefined ) return arrayBufferMap[ uuid ];\n\n\t\t\tconst arrayBuffers = json.arrayBuffers;\n\t\t\tconst arrayBuffer = arrayBuffers[ uuid ];\n\n\t\t\tconst ab = new Uint32Array( arrayBuffer ).buffer;\n\n\t\t\tarrayBufferMap[ uuid ] = ab;\n\n\t\t\treturn ab;\n\n\t\t}\n\n\t\tconst geometry = json.isInstancedBufferGeometry ? new InstancedBufferGeometry() : new BufferGeometry();\n\n\t\tconst index = json.data.index;\n\n\t\tif ( index !== undefined ) {\n\n\t\t\tconst typedArray = getTypedArray( index.type, index.array );\n\t\t\tgeometry.setIndex( new BufferAttribute( typedArray, 1 ) );\n\n\t\t}\n\n\t\tconst attributes = json.data.attributes;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tconst attribute = attributes[ key ];\n\t\t\tlet bufferAttribute;\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\tconst interleavedBuffer = getInterleavedBuffer( json.data, attribute.data );\n\t\t\t\tbufferAttribute = new InterleavedBufferAttribute( interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized );\n\n\t\t\t} else {\n\n\t\t\t\tconst typedArray = getTypedArray( attribute.type, attribute.array );\n\t\t\t\tconst bufferAttributeConstr = attribute.isInstancedBufferAttribute ? InstancedBufferAttribute : BufferAttribute;\n\t\t\t\tbufferAttribute = new bufferAttributeConstr( typedArray, attribute.itemSize, attribute.normalized );\n\n\t\t\t}\n\n\t\t\tif ( attribute.name !== undefined ) bufferAttribute.name = attribute.name;\n\t\t\tif ( attribute.usage !== undefined ) bufferAttribute.setUsage( attribute.usage );\n\n\t\t\tgeometry.setAttribute( key, bufferAttribute );\n\n\t\t}\n\n\t\tconst morphAttributes = json.data.morphAttributes;\n\n\t\tif ( morphAttributes ) {\n\n\t\t\tfor ( const key in morphAttributes ) {\n\n\t\t\t\tconst attributeArray = morphAttributes[ key ];\n\n\t\t\t\tconst array = [];\n\n\t\t\t\tfor ( let i = 0, il = attributeArray.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst attribute = attributeArray[ i ];\n\t\t\t\t\tlet bufferAttribute;\n\n\t\t\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\tconst interleavedBuffer = getInterleavedBuffer( json.data, attribute.data );\n\t\t\t\t\t\tbufferAttribute = new InterleavedBufferAttribute( interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst typedArray = getTypedArray( attribute.type, attribute.array );\n\t\t\t\t\t\tbufferAttribute = new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( attribute.name !== undefined ) bufferAttribute.name = attribute.name;\n\t\t\t\t\tarray.push( bufferAttribute );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.morphAttributes[ key ] = array;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst morphTargetsRelative = json.data.morphTargetsRelative;\n\n\t\tif ( morphTargetsRelative ) {\n\n\t\t\tgeometry.morphTargetsRelative = true;\n\n\t\t}\n\n\t\tconst groups = json.data.groups || json.data.drawcalls || json.data.offsets;\n\n\t\tif ( groups !== undefined ) {\n\n\t\t\tfor ( let i = 0, n = groups.length; i !== n; ++ i ) {\n\n\t\t\t\tconst group = groups[ i ];\n\n\t\t\t\tgeometry.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst boundingSphere = json.data.boundingSphere;\n\n\t\tif ( boundingSphere !== undefined ) {\n\n\t\t\tconst center = new Vector3();\n\n\t\t\tif ( boundingSphere.center !== undefined ) {\n\n\t\t\t\tcenter.fromArray( boundingSphere.center );\n\n\t\t\t}\n\n\t\t\tgeometry.boundingSphere = new Sphere( center, boundingSphere.radius );\n\n\t\t}\n\n\t\tif ( json.name ) geometry.name = json.name;\n\t\tif ( json.userData ) geometry.userData = json.userData;\n\n\t\treturn geometry;\n\n\t}\n\n}\n\nclass ObjectLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path;\n\t\tthis.resourcePath = this.resourcePath || path;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\tlet json = null;\n\n\t\t\ttry {\n\n\t\t\t\tjson = JSON.parse( text );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tif ( onError !== undefined ) onError( error );\n\n\t\t\t\tconsole.error( 'THREE:ObjectLoader: Can\\'t parse ' + url + '.', error.message );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tconst metadata = json.metadata;\n\n\t\t\tif ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) {\n\n\t\t\t\tif ( onError !== undefined ) onError( new Error( 'THREE.ObjectLoader: Can\\'t load ' + url ) );\n\n\t\t\t\tconsole.error( 'THREE.ObjectLoader: Can\\'t load ' + url );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tscope.parse( json, onLoad );\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tasync loadAsync( url, onProgress ) {\n\n\t\tconst scope = this;\n\n\t\tconst path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path;\n\t\tthis.resourcePath = this.resourcePath || path;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\n\t\tconst text = await loader.loadAsync( url, onProgress );\n\n\t\tconst json = JSON.parse( text );\n\n\t\tconst metadata = json.metadata;\n\n\t\tif ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) {\n\n\t\t\tthrow new Error( 'THREE.ObjectLoader: Can\\'t load ' + url );\n\n\t\t}\n\n\t\treturn await scope.parseAsync( json );\n\n\t}\n\n\tparse( json, onLoad ) {\n\n\t\tconst animations = this.parseAnimations( json.animations );\n\t\tconst shapes = this.parseShapes( json.shapes );\n\t\tconst geometries = this.parseGeometries( json.geometries, shapes );\n\n\t\tconst images = this.parseImages( json.images, function () {\n\n\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t} );\n\n\t\tconst textures = this.parseTextures( json.textures, images );\n\t\tconst materials = this.parseMaterials( json.materials, textures );\n\n\t\tconst object = this.parseObject( json.object, geometries, materials, textures, animations );\n\t\tconst skeletons = this.parseSkeletons( json.skeletons, object );\n\n\t\tthis.bindSkeletons( object, skeletons );\n\t\tthis.bindLightTargets( object );\n\n\t\t//\n\n\t\tif ( onLoad !== undefined ) {\n\n\t\t\tlet hasImages = false;\n\n\t\t\tfor ( const uuid in images ) {\n\n\t\t\t\tif ( images[ uuid ].data instanceof HTMLImageElement ) {\n\n\t\t\t\t\thasImages = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( hasImages === false ) onLoad( object );\n\n\t\t}\n\n\t\treturn object;\n\n\t}\n\n\tasync parseAsync( json ) {\n\n\t\tconst animations = this.parseAnimations( json.animations );\n\t\tconst shapes = this.parseShapes( json.shapes );\n\t\tconst geometries = this.parseGeometries( json.geometries, shapes );\n\n\t\tconst images = await this.parseImagesAsync( json.images );\n\n\t\tconst textures = this.parseTextures( json.textures, images );\n\t\tconst materials = this.parseMaterials( json.materials, textures );\n\n\t\tconst object = this.parseObject( json.object, geometries, materials, textures, animations );\n\t\tconst skeletons = this.parseSkeletons( json.skeletons, object );\n\n\t\tthis.bindSkeletons( object, skeletons );\n\t\tthis.bindLightTargets( object );\n\n\t\treturn object;\n\n\t}\n\n\tparseShapes( json ) {\n\n\t\tconst shapes = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst shape = new Shape().fromJSON( json[ i ] );\n\n\t\t\t\tshapes[ shape.uuid ] = shape;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn shapes;\n\n\t}\n\n\tparseSkeletons( json, object ) {\n\n\t\tconst skeletons = {};\n\t\tconst bones = {};\n\n\t\t// generate bone lookup table\n\n\t\tobject.traverse( function ( child ) {\n\n\t\t\tif ( child.isBone ) bones[ child.uuid ] = child;\n\n\t\t} );\n\n\t\t// create skeletons\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst skeleton = new Skeleton().fromJSON( json[ i ], bones );\n\n\t\t\t\tskeletons[ skeleton.uuid ] = skeleton;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn skeletons;\n\n\t}\n\n\tparseGeometries( json, shapes ) {\n\n\t\tconst geometries = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tconst bufferGeometryLoader = new BufferGeometryLoader();\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tlet geometry;\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\tcase 'BufferGeometry':\n\t\t\t\t\tcase 'InstancedBufferGeometry':\n\n\t\t\t\t\t\tgeometry = bufferGeometryLoader.parse( data );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tif ( data.type in Geometries ) {\n\n\t\t\t\t\t\t\tgeometry = Geometries[ data.type ].fromJSON( data, shapes );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tconsole.warn( `THREE.ObjectLoader: Unsupported geometry type \"${ data.type }\"` );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) geometry.name = data.name;\n\t\t\t\tif ( data.userData !== undefined ) geometry.userData = data.userData;\n\n\t\t\t\tgeometries[ data.uuid ] = geometry;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn geometries;\n\n\t}\n\n\tparseMaterials( json, textures ) {\n\n\t\tconst cache = {}; // MultiMaterial\n\t\tconst materials = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tconst loader = new MaterialLoader();\n\t\t\tloader.setTextures( textures );\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tif ( cache[ data.uuid ] === undefined ) {\n\n\t\t\t\t\tcache[ data.uuid ] = loader.parse( data );\n\n\t\t\t\t}\n\n\t\t\t\tmaterials[ data.uuid ] = cache[ data.uuid ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn materials;\n\n\t}\n\n\tparseAnimations( json ) {\n\n\t\tconst animations = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0; i < json.length; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tconst clip = AnimationClip.parse( data );\n\n\t\t\t\tanimations[ clip.uuid ] = clip;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn animations;\n\n\t}\n\n\tparseImages( json, onLoad ) {\n\n\t\tconst scope = this;\n\t\tconst images = {};\n\n\t\tlet loader;\n\n\t\tfunction loadImage( url ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn loader.load( url, function () {\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, undefined, function () {\n\n\t\t\t\tscope.manager.itemError( url );\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t} );\n\n\t\t}\n\n\t\tfunction deserializeImage( image ) {\n\n\t\t\tif ( typeof image === 'string' ) {\n\n\t\t\t\tconst url = image;\n\n\t\t\t\tconst path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( url ) ? url : scope.resourcePath + url;\n\n\t\t\t\treturn loadImage( path );\n\n\t\t\t} else {\n\n\t\t\t\tif ( image.data ) {\n\n\t\t\t\t\treturn {\n\t\t\t\t\t\tdata: getTypedArray( image.type, image.data ),\n\t\t\t\t\t\twidth: image.width,\n\t\t\t\t\t\theight: image.height\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\tconst manager = new LoadingManager( onLoad );\n\n\t\t\tloader = new ImageLoader( manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tfor ( let i = 0, il = json.length; i < il; i ++ ) {\n\n\t\t\t\tconst image = json[ i ];\n\t\t\t\tconst url = image.url;\n\n\t\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\t\t// load array of images e.g CubeTexture\n\n\t\t\t\t\tconst imageArray = [];\n\n\t\t\t\t\tfor ( let j = 0, jl = url.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tconst currentUrl = url[ j ];\n\n\t\t\t\t\t\tconst deserializedImage = deserializeImage( currentUrl );\n\n\t\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\t\tif ( deserializedImage instanceof HTMLImageElement ) {\n\n\t\t\t\t\t\t\t\timageArray.push( deserializedImage );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// special case: handle array of data textures for cube textures\n\n\t\t\t\t\t\t\t\timageArray.push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\timages[ image.uuid ] = new Source( imageArray );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// load single image\n\n\t\t\t\t\tconst deserializedImage = deserializeImage( image.url );\n\t\t\t\t\timages[ image.uuid ] = new Source( deserializedImage );\n\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn images;\n\n\t}\n\n\tasync parseImagesAsync( json ) {\n\n\t\tconst scope = this;\n\t\tconst images = {};\n\n\t\tlet loader;\n\n\t\tasync function deserializeImage( image ) {\n\n\t\t\tif ( typeof image === 'string' ) {\n\n\t\t\t\tconst url = image;\n\n\t\t\t\tconst path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( url ) ? url : scope.resourcePath + url;\n\n\t\t\t\treturn await loader.loadAsync( path );\n\n\t\t\t} else {\n\n\t\t\t\tif ( image.data ) {\n\n\t\t\t\t\treturn {\n\t\t\t\t\t\tdata: getTypedArray( image.type, image.data ),\n\t\t\t\t\t\twidth: image.width,\n\t\t\t\t\t\theight: image.height\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\tloader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tfor ( let i = 0, il = json.length; i < il; i ++ ) {\n\n\t\t\t\tconst image = json[ i ];\n\t\t\t\tconst url = image.url;\n\n\t\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\t\t// load array of images e.g CubeTexture\n\n\t\t\t\t\tconst imageArray = [];\n\n\t\t\t\t\tfor ( let j = 0, jl = url.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tconst currentUrl = url[ j ];\n\n\t\t\t\t\t\tconst deserializedImage = await deserializeImage( currentUrl );\n\n\t\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\t\tif ( deserializedImage instanceof HTMLImageElement ) {\n\n\t\t\t\t\t\t\t\timageArray.push( deserializedImage );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// special case: handle array of data textures for cube textures\n\n\t\t\t\t\t\t\t\timageArray.push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\timages[ image.uuid ] = new Source( imageArray );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// load single image\n\n\t\t\t\t\tconst deserializedImage = await deserializeImage( image.url );\n\t\t\t\t\timages[ image.uuid ] = new Source( deserializedImage );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn images;\n\n\t}\n\n\tparseTextures( json, images ) {\n\n\t\tfunction parseConstant( value, type ) {\n\n\t\t\tif ( typeof value === 'number' ) return value;\n\n\t\t\tconsole.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value );\n\n\t\t\treturn type[ value ];\n\n\t\t}\n\n\t\tconst textures = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tif ( data.image === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: No \"image\" specified for', data.uuid );\n\n\t\t\t\t}\n\n\t\t\t\tif ( images[ data.image ] === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined image', data.image );\n\n\t\t\t\t}\n\n\t\t\t\tconst source = images[ data.image ];\n\t\t\t\tconst image = source.data;\n\n\t\t\t\tlet texture;\n\n\t\t\t\tif ( Array.isArray( image ) ) {\n\n\t\t\t\t\ttexture = new CubeTexture();\n\n\t\t\t\t\tif ( image.length === 6 ) texture.needsUpdate = true;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( image && image.data ) {\n\n\t\t\t\t\t\ttexture = new DataTexture();\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttexture = new Texture();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( image ) texture.needsUpdate = true; // textures can have undefined image data\n\n\t\t\t\t}\n\n\t\t\t\ttexture.source = source;\n\n\t\t\t\ttexture.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) texture.name = data.name;\n\n\t\t\t\tif ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TEXTURE_MAPPING );\n\t\t\t\tif ( data.channel !== undefined ) texture.channel = data.channel;\n\n\t\t\t\tif ( data.offset !== undefined ) texture.offset.fromArray( data.offset );\n\t\t\t\tif ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat );\n\t\t\t\tif ( data.center !== undefined ) texture.center.fromArray( data.center );\n\t\t\t\tif ( data.rotation !== undefined ) texture.rotation = data.rotation;\n\n\t\t\t\tif ( data.wrap !== undefined ) {\n\n\t\t\t\t\ttexture.wrapS = parseConstant( data.wrap[ 0 ], TEXTURE_WRAPPING );\n\t\t\t\t\ttexture.wrapT = parseConstant( data.wrap[ 1 ], TEXTURE_WRAPPING );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.format !== undefined ) texture.format = data.format;\n\t\t\t\tif ( data.internalFormat !== undefined ) texture.internalFormat = data.internalFormat;\n\t\t\t\tif ( data.type !== undefined ) texture.type = data.type;\n\t\t\t\tif ( data.colorSpace !== undefined ) texture.colorSpace = data.colorSpace;\n\n\t\t\t\tif ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TEXTURE_FILTER );\n\t\t\t\tif ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TEXTURE_FILTER );\n\t\t\t\tif ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy;\n\n\t\t\t\tif ( data.flipY !== undefined ) texture.flipY = data.flipY;\n\n\t\t\t\tif ( data.generateMipmaps !== undefined ) texture.generateMipmaps = data.generateMipmaps;\n\t\t\t\tif ( data.premultiplyAlpha !== undefined ) texture.premultiplyAlpha = data.premultiplyAlpha;\n\t\t\t\tif ( data.unpackAlignment !== undefined ) texture.unpackAlignment = data.unpackAlignment;\n\t\t\t\tif ( data.compareFunction !== undefined ) texture.compareFunction = data.compareFunction;\n\n\t\t\t\tif ( data.userData !== undefined ) texture.userData = data.userData;\n\n\t\t\t\ttextures[ data.uuid ] = texture;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn textures;\n\n\t}\n\n\tparseObject( data, geometries, materials, textures, animations ) {\n\n\t\tlet object;\n\n\t\tfunction getGeometry( name ) {\n\n\t\t\tif ( geometries[ name ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined geometry', name );\n\n\t\t\t}\n\n\t\t\treturn geometries[ name ];\n\n\t\t}\n\n\t\tfunction getMaterial( name ) {\n\n\t\t\tif ( name === undefined ) return undefined;\n\n\t\t\tif ( Array.isArray( name ) ) {\n\n\t\t\t\tconst array = [];\n\n\t\t\t\tfor ( let i = 0, l = name.length; i < l; i ++ ) {\n\n\t\t\t\t\tconst uuid = name[ i ];\n\n\t\t\t\t\tif ( materials[ uuid ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined material', uuid );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tarray.push( materials[ uuid ] );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t}\n\n\t\t\tif ( materials[ name ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined material', name );\n\n\t\t\t}\n\n\t\t\treturn materials[ name ];\n\n\t\t}\n\n\t\tfunction getTexture( uuid ) {\n\n\t\t\tif ( textures[ uuid ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined texture', uuid );\n\n\t\t\t}\n\n\t\t\treturn textures[ uuid ];\n\n\t\t}\n\n\t\tlet geometry, material;\n\n\t\tswitch ( data.type ) {\n\n\t\t\tcase 'Scene':\n\n\t\t\t\tobject = new Scene();\n\n\t\t\t\tif ( data.background !== undefined ) {\n\n\t\t\t\t\tif ( Number.isInteger( data.background ) ) {\n\n\t\t\t\t\t\tobject.background = new Color( data.background );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tobject.background = getTexture( data.background );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.environment !== undefined ) {\n\n\t\t\t\t\tobject.environment = getTexture( data.environment );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.fog !== undefined ) {\n\n\t\t\t\t\tif ( data.fog.type === 'Fog' ) {\n\n\t\t\t\t\t\tobject.fog = new Fog( data.fog.color, data.fog.near, data.fog.far );\n\n\t\t\t\t\t} else if ( data.fog.type === 'FogExp2' ) {\n\n\t\t\t\t\t\tobject.fog = new FogExp2( data.fog.color, data.fog.density );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( data.fog.name !== '' ) {\n\n\t\t\t\t\t\tobject.fog.name = data.fog.name;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.backgroundBlurriness !== undefined ) object.backgroundBlurriness = data.backgroundBlurriness;\n\t\t\t\tif ( data.backgroundIntensity !== undefined ) object.backgroundIntensity = data.backgroundIntensity;\n\t\t\t\tif ( data.backgroundRotation !== undefined ) object.backgroundRotation.fromArray( data.backgroundRotation );\n\n\t\t\t\tif ( data.environmentIntensity !== undefined ) object.environmentIntensity = data.environmentIntensity;\n\t\t\t\tif ( data.environmentRotation !== undefined ) object.environmentRotation.fromArray( data.environmentRotation );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PerspectiveCamera':\n\n\t\t\t\tobject = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far );\n\n\t\t\t\tif ( data.focus !== undefined ) object.focus = data.focus;\n\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\tif ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge;\n\t\t\t\tif ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset;\n\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'OrthographicCamera':\n\n\t\t\t\tobject = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far );\n\n\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'AmbientLight':\n\n\t\t\t\tobject = new AmbientLight( data.color, data.intensity );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'DirectionalLight':\n\n\t\t\t\tobject = new DirectionalLight( data.color, data.intensity );\n\t\t\t\tobject.target = data.target || '';\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PointLight':\n\n\t\t\t\tobject = new PointLight( data.color, data.intensity, data.distance, data.decay );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'RectAreaLight':\n\n\t\t\t\tobject = new RectAreaLight( data.color, data.intensity, data.width, data.height );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'SpotLight':\n\n\t\t\t\tobject = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay );\n\t\t\t\tobject.target = data.target || '';\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'HemisphereLight':\n\n\t\t\t\tobject = new HemisphereLight( data.color, data.groundColor, data.intensity );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LightProbe':\n\n\t\t\t\tobject = new LightProbe().fromJSON( data );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'SkinnedMesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t \tmaterial = getMaterial( data.material );\n\n\t\t\t\tobject = new SkinnedMesh( geometry, material );\n\n\t\t\t\tif ( data.bindMode !== undefined ) object.bindMode = data.bindMode;\n\t\t\t\tif ( data.bindMatrix !== undefined ) object.bindMatrix.fromArray( data.bindMatrix );\n\t\t\t\tif ( data.skeleton !== undefined ) object.skeleton = data.skeleton;\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Mesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t\tmaterial = getMaterial( data.material );\n\n\t\t\t\tobject = new Mesh( geometry, material );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'InstancedMesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t\tmaterial = getMaterial( data.material );\n\t\t\t\tconst count = data.count;\n\t\t\t\tconst instanceMatrix = data.instanceMatrix;\n\t\t\t\tconst instanceColor = data.instanceColor;\n\n\t\t\t\tobject = new InstancedMesh( geometry, material, count );\n\t\t\t\tobject.instanceMatrix = new InstancedBufferAttribute( new Float32Array( instanceMatrix.array ), 16 );\n\t\t\t\tif ( instanceColor !== undefined ) object.instanceColor = new InstancedBufferAttribute( new Float32Array( instanceColor.array ), instanceColor.itemSize );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'BatchedMesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t\tmaterial = getMaterial( data.material );\n\n\t\t\t\tobject = new BatchedMesh( data.maxInstanceCount, data.maxVertexCount, data.maxIndexCount, material );\n\t\t\t\tobject.geometry = geometry;\n\t\t\t\tobject.perObjectFrustumCulled = data.perObjectFrustumCulled;\n\t\t\t\tobject.sortObjects = data.sortObjects;\n\n\t\t\t\tobject._drawRanges = data.drawRanges;\n\t\t\t\tobject._reservedRanges = data.reservedRanges;\n\n\t\t\t\tobject._visibility = data.visibility;\n\t\t\t\tobject._active = data.active;\n\t\t\t\tobject._bounds = data.bounds.map( bound => {\n\n\t\t\t\t\tconst box = new Box3();\n\t\t\t\t\tbox.min.fromArray( bound.boxMin );\n\t\t\t\t\tbox.max.fromArray( bound.boxMax );\n\n\t\t\t\t\tconst sphere = new Sphere();\n\t\t\t\t\tsphere.radius = bound.sphereRadius;\n\t\t\t\t\tsphere.center.fromArray( bound.sphereCenter );\n\n\t\t\t\t\treturn {\n\t\t\t\t\t\tboxInitialized: bound.boxInitialized,\n\t\t\t\t\t\tbox: box,\n\n\t\t\t\t\t\tsphereInitialized: bound.sphereInitialized,\n\t\t\t\t\t\tsphere: sphere\n\t\t\t\t\t};\n\n\t\t\t\t} );\n\n\t\t\t\tobject._maxInstanceCount = data.maxInstanceCount;\n\t\t\t\tobject._maxVertexCount = data.maxVertexCount;\n\t\t\t\tobject._maxIndexCount = data.maxIndexCount;\n\n\t\t\t\tobject._geometryInitialized = data.geometryInitialized;\n\t\t\t\tobject._geometryCount = data.geometryCount;\n\n\t\t\t\tobject._matricesTexture = getTexture( data.matricesTexture.uuid );\n\t\t\t\tif ( data.colorsTexture !== undefined ) object._colorsTexture = getTexture( data.colorsTexture.uuid );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LOD':\n\n\t\t\t\tobject = new LOD();\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Line':\n\n\t\t\t\tobject = new Line( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LineLoop':\n\n\t\t\t\tobject = new LineLoop( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LineSegments':\n\n\t\t\t\tobject = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PointCloud':\n\t\t\tcase 'Points':\n\n\t\t\t\tobject = new Points( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Sprite':\n\n\t\t\t\tobject = new Sprite( getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Group':\n\n\t\t\t\tobject = new Group();\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Bone':\n\n\t\t\t\tobject = new Bone();\n\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\n\t\t\t\tobject = new Object3D();\n\n\t\t}\n\n\t\tobject.uuid = data.uuid;\n\n\t\tif ( data.name !== undefined ) object.name = data.name;\n\n\t\tif ( data.matrix !== undefined ) {\n\n\t\t\tobject.matrix.fromArray( data.matrix );\n\n\t\t\tif ( data.matrixAutoUpdate !== undefined ) object.matrixAutoUpdate = data.matrixAutoUpdate;\n\t\t\tif ( object.matrixAutoUpdate ) object.matrix.decompose( object.position, object.quaternion, object.scale );\n\n\t\t} else {\n\n\t\t\tif ( data.position !== undefined ) object.position.fromArray( data.position );\n\t\t\tif ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation );\n\t\t\tif ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion );\n\t\t\tif ( data.scale !== undefined ) object.scale.fromArray( data.scale );\n\n\t\t}\n\n\t\tif ( data.up !== undefined ) object.up.fromArray( data.up );\n\n\t\tif ( data.castShadow !== undefined ) object.castShadow = data.castShadow;\n\t\tif ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow;\n\n\t\tif ( data.shadow ) {\n\n\t\t\tif ( data.shadow.intensity !== undefined ) object.shadow.intensity = data.shadow.intensity;\n\t\t\tif ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias;\n\t\t\tif ( data.shadow.normalBias !== undefined ) object.shadow.normalBias = data.shadow.normalBias;\n\t\t\tif ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius;\n\t\t\tif ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize );\n\t\t\tif ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera );\n\n\t\t}\n\n\t\tif ( data.visible !== undefined ) object.visible = data.visible;\n\t\tif ( data.frustumCulled !== undefined ) object.frustumCulled = data.frustumCulled;\n\t\tif ( data.renderOrder !== undefined ) object.renderOrder = data.renderOrder;\n\t\tif ( data.userData !== undefined ) object.userData = data.userData;\n\t\tif ( data.layers !== undefined ) object.layers.mask = data.layers;\n\n\t\tif ( data.children !== undefined ) {\n\n\t\t\tconst children = data.children;\n\n\t\t\tfor ( let i = 0; i < children.length; i ++ ) {\n\n\t\t\t\tobject.add( this.parseObject( children[ i ], geometries, materials, textures, animations ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( data.animations !== undefined ) {\n\n\t\t\tconst objectAnimations = data.animations;\n\n\t\t\tfor ( let i = 0; i < objectAnimations.length; i ++ ) {\n\n\t\t\t\tconst uuid = objectAnimations[ i ];\n\n\t\t\t\tobject.animations.push( animations[ uuid ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( data.type === 'LOD' ) {\n\n\t\t\tif ( data.autoUpdate !== undefined ) object.autoUpdate = data.autoUpdate;\n\n\t\t\tconst levels = data.levels;\n\n\t\t\tfor ( let l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\tconst level = levels[ l ];\n\t\t\t\tconst child = object.getObjectByProperty( 'uuid', level.object );\n\n\t\t\t\tif ( child !== undefined ) {\n\n\t\t\t\t\tobject.addLevel( child, level.distance, level.hysteresis );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn object;\n\n\t}\n\n\tbindSkeletons( object, skeletons ) {\n\n\t\tif ( Object.keys( skeletons ).length === 0 ) return;\n\n\t\tobject.traverse( function ( child ) {\n\n\t\t\tif ( child.isSkinnedMesh === true && child.skeleton !== undefined ) {\n\n\t\t\t\tconst skeleton = skeletons[ child.skeleton ];\n\n\t\t\t\tif ( skeleton === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: No skeleton found with UUID:', child.skeleton );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tchild.bind( skeleton, child.bindMatrix );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} );\n\n\t}\n\n\tbindLightTargets( object ) {\n\n\t\tobject.traverse( function ( child ) {\n\n\t\t\tif ( child.isDirectionalLight || child.isSpotLight ) {\n\n\t\t\t\tconst uuid = child.target;\n\n\t\t\t\tconst target = object.getObjectByProperty( 'uuid', uuid );\n\n\t\t\t\tif ( target !== undefined ) {\n\n\t\t\t\t\tchild.target = target;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tchild.target = new Object3D();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} );\n\n\t}\n\n}\n\nconst TEXTURE_MAPPING = {\n\tUVMapping: UVMapping,\n\tCubeReflectionMapping: CubeReflectionMapping,\n\tCubeRefractionMapping: CubeRefractionMapping,\n\tEquirectangularReflectionMapping: EquirectangularReflectionMapping,\n\tEquirectangularRefractionMapping: EquirectangularRefractionMapping,\n\tCubeUVReflectionMapping: CubeUVReflectionMapping\n};\n\nconst TEXTURE_WRAPPING = {\n\tRepeatWrapping: RepeatWrapping,\n\tClampToEdgeWrapping: ClampToEdgeWrapping,\n\tMirroredRepeatWrapping: MirroredRepeatWrapping\n};\n\nconst TEXTURE_FILTER = {\n\tNearestFilter: NearestFilter,\n\tNearestMipmapNearestFilter: NearestMipmapNearestFilter,\n\tNearestMipmapLinearFilter: NearestMipmapLinearFilter,\n\tLinearFilter: LinearFilter,\n\tLinearMipmapNearestFilter: LinearMipmapNearestFilter,\n\tLinearMipmapLinearFilter: LinearMipmapLinearFilter\n};\n\nclass ImageBitmapLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t\tthis.isImageBitmapLoader = true;\n\n\t\tif ( typeof createImageBitmap === 'undefined' ) {\n\n\t\t\tconsole.warn( 'THREE.ImageBitmapLoader: createImageBitmap() not supported.' );\n\n\t\t}\n\n\t\tif ( typeof fetch === 'undefined' ) {\n\n\t\t\tconsole.warn( 'THREE.ImageBitmapLoader: fetch() not supported.' );\n\n\t\t}\n\n\t\tthis.options = { premultiplyAlpha: 'none' };\n\n\t}\n\n\tsetOptions( options ) {\n\n\t\tthis.options = options;\n\n\t\treturn this;\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( url === undefined ) url = '';\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst scope = this;\n\n\t\tconst cached = Cache.get( url );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\t// If cached is a promise, wait for it to resolve\n\t\t\tif ( cached.then ) {\n\n\t\t\t\tcached.then( imageBitmap => {\n\n\t\t\t\t\tif ( onLoad ) onLoad( imageBitmap );\n\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t} ).catch( e => {\n\n\t\t\t\t\tif ( onError ) onError( e );\n\n\t\t\t\t} );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\t// If cached is not a promise (i.e., it's already an imageBitmap)\n\t\t\tsetTimeout( function () {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\tconst fetchOptions = {};\n\t\tfetchOptions.credentials = ( this.crossOrigin === 'anonymous' ) ? 'same-origin' : 'include';\n\t\tfetchOptions.headers = this.requestHeader;\n\n\t\tconst promise = fetch( url, fetchOptions ).then( function ( res ) {\n\n\t\t\treturn res.blob();\n\n\t\t} ).then( function ( blob ) {\n\n\t\t\treturn createImageBitmap( blob, Object.assign( scope.options, { colorSpaceConversion: 'none' } ) );\n\n\t\t} ).then( function ( imageBitmap ) {\n\n\t\t\tCache.add( url, imageBitmap );\n\n\t\t\tif ( onLoad ) onLoad( imageBitmap );\n\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t\treturn imageBitmap;\n\n\t\t} ).catch( function ( e ) {\n\n\t\t\tif ( onError ) onError( e );\n\n\t\t\tCache.remove( url );\n\n\t\t\tscope.manager.itemError( url );\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t} );\n\n\t\tCache.add( url, promise );\n\t\tscope.manager.itemStart( url );\n\n\t}\n\n}\n\nlet _context;\n\nclass AudioContext {\n\n\tstatic getContext() {\n\n\t\tif ( _context === undefined ) {\n\n\t\t\t_context = new ( window.AudioContext || window.webkitAudioContext )();\n\n\t\t}\n\n\t\treturn _context;\n\n\t}\n\n\tstatic setContext( value ) {\n\n\t\t_context = value;\n\n\t}\n\n}\n\nclass AudioLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( buffer ) {\n\n\t\t\ttry {\n\n\t\t\t\t// Create a copy of the buffer. The `decodeAudioData` method\n\t\t\t\t// detaches the buffer when complete, preventing reuse.\n\t\t\t\tconst bufferCopy = buffer.slice( 0 );\n\n\t\t\t\tconst context = AudioContext.getContext();\n\t\t\t\tcontext.decodeAudioData( bufferCopy, function ( audioBuffer ) {\n\n\t\t\t\t\tonLoad( audioBuffer );\n\n\t\t\t\t} ).catch( handleError );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\thandleError( e );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t\tfunction handleError( e ) {\n\n\t\t\tif ( onError ) {\n\n\t\t\t\tonError( e );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( e );\n\n\t\t\t}\n\n\t\t\tscope.manager.itemError( url );\n\n\t\t}\n\n\t}\n\n}\n\nconst _eyeRight = /*@__PURE__*/ new Matrix4();\nconst _eyeLeft = /*@__PURE__*/ new Matrix4();\nconst _projectionMatrix = /*@__PURE__*/ new Matrix4();\n\nclass StereoCamera {\n\n\tconstructor() {\n\n\t\tthis.type = 'StereoCamera';\n\n\t\tthis.aspect = 1;\n\n\t\tthis.eyeSep = 0.064;\n\n\t\tthis.cameraL = new PerspectiveCamera();\n\t\tthis.cameraL.layers.enable( 1 );\n\t\tthis.cameraL.matrixAutoUpdate = false;\n\n\t\tthis.cameraR = new PerspectiveCamera();\n\t\tthis.cameraR.layers.enable( 2 );\n\t\tthis.cameraR.matrixAutoUpdate = false;\n\n\t\tthis._cache = {\n\t\t\tfocus: null,\n\t\t\tfov: null,\n\t\t\taspect: null,\n\t\t\tnear: null,\n\t\t\tfar: null,\n\t\t\tzoom: null,\n\t\t\teyeSep: null\n\t\t};\n\n\t}\n\n\tupdate( camera ) {\n\n\t\tconst cache = this._cache;\n\n\t\tconst needsUpdate = cache.focus !== camera.focus || cache.fov !== camera.fov ||\n\t\t\tcache.aspect !== camera.aspect * this.aspect || cache.near !== camera.near ||\n\t\t\tcache.far !== camera.far || cache.zoom !== camera.zoom || cache.eyeSep !== this.eyeSep;\n\n\t\tif ( needsUpdate ) {\n\n\t\t\tcache.focus = camera.focus;\n\t\t\tcache.fov = camera.fov;\n\t\t\tcache.aspect = camera.aspect * this.aspect;\n\t\t\tcache.near = camera.near;\n\t\t\tcache.far = camera.far;\n\t\t\tcache.zoom = camera.zoom;\n\t\t\tcache.eyeSep = this.eyeSep;\n\n\t\t\t// Off-axis stereoscopic effect based on\n\t\t\t// http://paulbourke.net/stereographics/stereorender/\n\n\t\t\t_projectionMatrix.copy( camera.projectionMatrix );\n\t\t\tconst eyeSepHalf = cache.eyeSep / 2;\n\t\t\tconst eyeSepOnProjection = eyeSepHalf * cache.near / cache.focus;\n\t\t\tconst ymax = ( cache.near * Math.tan( DEG2RAD * cache.fov * 0.5 ) ) / cache.zoom;\n\t\t\tlet xmin, xmax;\n\n\t\t\t// translate xOffset\n\n\t\t\t_eyeLeft.elements[ 12 ] = - eyeSepHalf;\n\t\t\t_eyeRight.elements[ 12 ] = eyeSepHalf;\n\n\t\t\t// for left eye\n\n\t\t\txmin = - ymax * cache.aspect + eyeSepOnProjection;\n\t\t\txmax = ymax * cache.aspect + eyeSepOnProjection;\n\n\t\t\t_projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin );\n\t\t\t_projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\tthis.cameraL.projectionMatrix.copy( _projectionMatrix );\n\n\t\t\t// for right eye\n\n\t\t\txmin = - ymax * cache.aspect - eyeSepOnProjection;\n\t\t\txmax = ymax * cache.aspect - eyeSepOnProjection;\n\n\t\t\t_projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin );\n\t\t\t_projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\tthis.cameraR.projectionMatrix.copy( _projectionMatrix );\n\n\t\t}\n\n\t\tthis.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeLeft );\n\t\tthis.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeRight );\n\n\t}\n\n}\n\nclass ArrayCamera extends PerspectiveCamera {\n\n\tconstructor( array = [] ) {\n\n\t\tsuper();\n\n\t\tthis.isArrayCamera = true;\n\n\t\tthis.cameras = array;\n\t\tthis.index = 0;\n\n\t}\n\n}\n\nclass Clock {\n\n\tconstructor( autoStart = true ) {\n\n\t\tthis.autoStart = autoStart;\n\n\t\tthis.startTime = 0;\n\t\tthis.oldTime = 0;\n\t\tthis.elapsedTime = 0;\n\n\t\tthis.running = false;\n\n\t}\n\n\tstart() {\n\n\t\tthis.startTime = now();\n\n\t\tthis.oldTime = this.startTime;\n\t\tthis.elapsedTime = 0;\n\t\tthis.running = true;\n\n\t}\n\n\tstop() {\n\n\t\tthis.getElapsedTime();\n\t\tthis.running = false;\n\t\tthis.autoStart = false;\n\n\t}\n\n\tgetElapsedTime() {\n\n\t\tthis.getDelta();\n\t\treturn this.elapsedTime;\n\n\t}\n\n\tgetDelta() {\n\n\t\tlet diff = 0;\n\n\t\tif ( this.autoStart && ! this.running ) {\n\n\t\t\tthis.start();\n\t\t\treturn 0;\n\n\t\t}\n\n\t\tif ( this.running ) {\n\n\t\t\tconst newTime = now();\n\n\t\t\tdiff = ( newTime - this.oldTime ) / 1000;\n\t\t\tthis.oldTime = newTime;\n\n\t\t\tthis.elapsedTime += diff;\n\n\t\t}\n\n\t\treturn diff;\n\n\t}\n\n}\n\nfunction now() {\n\n\treturn performance.now();\n\n}\n\nconst _position$1 = /*@__PURE__*/ new Vector3();\nconst _quaternion$1 = /*@__PURE__*/ new Quaternion();\nconst _scale$1 = /*@__PURE__*/ new Vector3();\nconst _orientation$1 = /*@__PURE__*/ new Vector3();\n\nclass AudioListener extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'AudioListener';\n\n\t\tthis.context = AudioContext.getContext();\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( this.context.destination );\n\n\t\tthis.filter = null;\n\n\t\tthis.timeDelta = 0;\n\n\t\t// private\n\n\t\tthis._clock = new Clock();\n\n\t}\n\n\tgetInput() {\n\n\t\treturn this.gain;\n\n\t}\n\n\tremoveFilter() {\n\n\t\tif ( this.filter !== null ) {\n\n\t\t\tthis.gain.disconnect( this.filter );\n\t\t\tthis.filter.disconnect( this.context.destination );\n\t\t\tthis.gain.connect( this.context.destination );\n\t\t\tthis.filter = null;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetFilter() {\n\n\t\treturn this.filter;\n\n\t}\n\n\tsetFilter( value ) {\n\n\t\tif ( this.filter !== null ) {\n\n\t\t\tthis.gain.disconnect( this.filter );\n\t\t\tthis.filter.disconnect( this.context.destination );\n\n\t\t} else {\n\n\t\t\tthis.gain.disconnect( this.context.destination );\n\n\t\t}\n\n\t\tthis.filter = value;\n\t\tthis.gain.connect( this.filter );\n\t\tthis.filter.connect( this.context.destination );\n\n\t\treturn this;\n\n\t}\n\n\tgetMasterVolume() {\n\n\t\treturn this.gain.gain.value;\n\n\t}\n\n\tsetMasterVolume( value ) {\n\n\t\tthis.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 );\n\n\t\treturn this;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tconst listener = this.context.listener;\n\t\tconst up = this.up;\n\n\t\tthis.timeDelta = this._clock.getDelta();\n\n\t\tthis.matrixWorld.decompose( _position$1, _quaternion$1, _scale$1 );\n\n\t\t_orientation$1.set( 0, 0, - 1 ).applyQuaternion( _quaternion$1 );\n\n\t\tif ( listener.positionX ) {\n\n\t\t\t// code path for Chrome (see #14393)\n\n\t\t\tconst endTime = this.context.currentTime + this.timeDelta;\n\n\t\t\tlistener.positionX.linearRampToValueAtTime( _position$1.x, endTime );\n\t\t\tlistener.positionY.linearRampToValueAtTime( _position$1.y, endTime );\n\t\t\tlistener.positionZ.linearRampToValueAtTime( _position$1.z, endTime );\n\t\t\tlistener.forwardX.linearRampToValueAtTime( _orientation$1.x, endTime );\n\t\t\tlistener.forwardY.linearRampToValueAtTime( _orientation$1.y, endTime );\n\t\t\tlistener.forwardZ.linearRampToValueAtTime( _orientation$1.z, endTime );\n\t\t\tlistener.upX.linearRampToValueAtTime( up.x, endTime );\n\t\t\tlistener.upY.linearRampToValueAtTime( up.y, endTime );\n\t\t\tlistener.upZ.linearRampToValueAtTime( up.z, endTime );\n\n\t\t} else {\n\n\t\t\tlistener.setPosition( _position$1.x, _position$1.y, _position$1.z );\n\t\t\tlistener.setOrientation( _orientation$1.x, _orientation$1.y, _orientation$1.z, up.x, up.y, up.z );\n\n\t\t}\n\n\t}\n\n}\n\nclass Audio extends Object3D {\n\n\tconstructor( listener ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Audio';\n\n\t\tthis.listener = listener;\n\t\tthis.context = listener.context;\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( listener.getInput() );\n\n\t\tthis.autoplay = false;\n\n\t\tthis.buffer = null;\n\t\tthis.detune = 0;\n\t\tthis.loop = false;\n\t\tthis.loopStart = 0;\n\t\tthis.loopEnd = 0;\n\t\tthis.offset = 0;\n\t\tthis.duration = undefined;\n\t\tthis.playbackRate = 1;\n\t\tthis.isPlaying = false;\n\t\tthis.hasPlaybackControl = true;\n\t\tthis.source = null;\n\t\tthis.sourceType = 'empty';\n\n\t\tthis._startedAt = 0;\n\t\tthis._progress = 0;\n\t\tthis._connected = false;\n\n\t\tthis.filters = [];\n\n\t}\n\n\tgetOutput() {\n\n\t\treturn this.gain;\n\n\t}\n\n\tsetNodeSource( audioNode ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'audioNode';\n\t\tthis.source = audioNode;\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\tsetMediaElementSource( mediaElement ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'mediaNode';\n\t\tthis.source = this.context.createMediaElementSource( mediaElement );\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\tsetMediaStreamSource( mediaStream ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'mediaStreamNode';\n\t\tthis.source = this.context.createMediaStreamSource( mediaStream );\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\tsetBuffer( audioBuffer ) {\n\n\t\tthis.buffer = audioBuffer;\n\t\tthis.sourceType = 'buffer';\n\n\t\tif ( this.autoplay ) this.play();\n\n\t\treturn this;\n\n\t}\n\n\tplay( delay = 0 ) {\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: Audio is already playing.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis._startedAt = this.context.currentTime + delay;\n\n\t\tconst source = this.context.createBufferSource();\n\t\tsource.buffer = this.buffer;\n\t\tsource.loop = this.loop;\n\t\tsource.loopStart = this.loopStart;\n\t\tsource.loopEnd = this.loopEnd;\n\t\tsource.onended = this.onEnded.bind( this );\n\t\tsource.start( this._startedAt, this._progress + this.offset, this.duration );\n\n\t\tthis.isPlaying = true;\n\n\t\tthis.source = source;\n\n\t\tthis.setDetune( this.detune );\n\t\tthis.setPlaybackRate( this.playbackRate );\n\n\t\treturn this.connect();\n\n\t}\n\n\tpause() {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\t// update current progress\n\n\t\t\tthis._progress += Math.max( this.context.currentTime - this._startedAt, 0 ) * this.playbackRate;\n\n\t\t\tif ( this.loop === true ) {\n\n\t\t\t\t// ensure _progress does not exceed duration with looped audios\n\n\t\t\t\tthis._progress = this._progress % ( this.duration || this.buffer.duration );\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.source.onended = null;\n\n\t\t\tthis.isPlaying = false;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tstop( delay = 0 ) {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis._progress = 0;\n\n\t\tif ( this.source !== null ) {\n\n\t\t\tthis.source.stop( this.context.currentTime + delay );\n\t\t\tthis.source.onended = null;\n\n\t\t}\n\n\t\tthis.isPlaying = false;\n\n\t\treturn this;\n\n\t}\n\n\tconnect() {\n\n\t\tif ( this.filters.length > 0 ) {\n\n\t\t\tthis.source.connect( this.filters[ 0 ] );\n\n\t\t\tfor ( let i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\tthis.filters[ i - 1 ].connect( this.filters[ i ] );\n\n\t\t\t}\n\n\t\t\tthis.filters[ this.filters.length - 1 ].connect( this.getOutput() );\n\n\t\t} else {\n\n\t\t\tthis.source.connect( this.getOutput() );\n\n\t\t}\n\n\t\tthis._connected = true;\n\n\t\treturn this;\n\n\t}\n\n\tdisconnect() {\n\n\t\tif ( this._connected === false ) {\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( this.filters.length > 0 ) {\n\n\t\t\tthis.source.disconnect( this.filters[ 0 ] );\n\n\t\t\tfor ( let i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\tthis.filters[ i - 1 ].disconnect( this.filters[ i ] );\n\n\t\t\t}\n\n\t\t\tthis.filters[ this.filters.length - 1 ].disconnect( this.getOutput() );\n\n\t\t} else {\n\n\t\t\tthis.source.disconnect( this.getOutput() );\n\n\t\t}\n\n\t\tthis._connected = false;\n\n\t\treturn this;\n\n\t}\n\n\tgetFilters() {\n\n\t\treturn this.filters;\n\n\t}\n\n\tsetFilters( value ) {\n\n\t\tif ( ! value ) value = [];\n\n\t\tif ( this._connected === true ) {\n\n\t\t\tthis.disconnect();\n\t\t\tthis.filters = value.slice();\n\t\t\tthis.connect();\n\n\t\t} else {\n\n\t\t\tthis.filters = value.slice();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetDetune( value ) {\n\n\t\tthis.detune = value;\n\n\t\tif ( this.isPlaying === true && this.source.detune !== undefined ) {\n\n\t\t\tthis.source.detune.setTargetAtTime( this.detune, this.context.currentTime, 0.01 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetDetune() {\n\n\t\treturn this.detune;\n\n\t}\n\n\tgetFilter() {\n\n\t\treturn this.getFilters()[ 0 ];\n\n\t}\n\n\tsetFilter( filter ) {\n\n\t\treturn this.setFilters( filter ? [ filter ] : [] );\n\n\t}\n\n\tsetPlaybackRate( value ) {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis.playbackRate = value;\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tthis.source.playbackRate.setTargetAtTime( this.playbackRate, this.context.currentTime, 0.01 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetPlaybackRate() {\n\n\t\treturn this.playbackRate;\n\n\t}\n\n\tonEnded() {\n\n\t\tthis.isPlaying = false;\n\t\tthis._progress = 0;\n\n\t}\n\n\tgetLoop() {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn false;\n\n\t\t}\n\n\t\treturn this.loop;\n\n\t}\n\n\tsetLoop( value ) {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis.loop = value;\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tthis.source.loop = this.loop;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetLoopStart( value ) {\n\n\t\tthis.loopStart = value;\n\n\t\treturn this;\n\n\t}\n\n\tsetLoopEnd( value ) {\n\n\t\tthis.loopEnd = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetVolume() {\n\n\t\treturn this.gain.gain.value;\n\n\t}\n\n\tsetVolume( value ) {\n\n\t\tthis.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tif ( source.sourceType !== 'buffer' ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: Audio source type cannot be copied.' );\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tthis.autoplay = source.autoplay;\n\n\t\tthis.buffer = source.buffer;\n\t\tthis.detune = source.detune;\n\t\tthis.loop = source.loop;\n\t\tthis.loopStart = source.loopStart;\n\t\tthis.loopEnd = source.loopEnd;\n\t\tthis.offset = source.offset;\n\t\tthis.duration = source.duration;\n\t\tthis.playbackRate = source.playbackRate;\n\t\tthis.hasPlaybackControl = source.hasPlaybackControl;\n\t\tthis.sourceType = source.sourceType;\n\n\t\tthis.filters = source.filters.slice();\n\n\t\treturn this;\n\n\t}\n\n\tclone( recursive ) {\n\n\t\treturn new this.constructor( this.listener ).copy( this, recursive );\n\n\t}\n\n}\n\nconst _position = /*@__PURE__*/ new Vector3();\nconst _quaternion = /*@__PURE__*/ new Quaternion();\nconst _scale = /*@__PURE__*/ new Vector3();\nconst _orientation = /*@__PURE__*/ new Vector3();\n\nclass PositionalAudio extends Audio {\n\n\tconstructor( listener ) {\n\n\t\tsuper( listener );\n\n\t\tthis.panner = this.context.createPanner();\n\t\tthis.panner.panningModel = 'HRTF';\n\t\tthis.panner.connect( this.gain );\n\n\t}\n\n\tconnect() {\n\n\t\tsuper.connect();\n\n\t\tthis.panner.connect( this.gain );\n\n\t}\n\n\tdisconnect() {\n\n\t\tsuper.disconnect();\n\n\t\tthis.panner.disconnect( this.gain );\n\n\t}\n\n\tgetOutput() {\n\n\t\treturn this.panner;\n\n\t}\n\n\tgetRefDistance() {\n\n\t\treturn this.panner.refDistance;\n\n\t}\n\n\tsetRefDistance( value ) {\n\n\t\tthis.panner.refDistance = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetRolloffFactor() {\n\n\t\treturn this.panner.rolloffFactor;\n\n\t}\n\n\tsetRolloffFactor( value ) {\n\n\t\tthis.panner.rolloffFactor = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetDistanceModel() {\n\n\t\treturn this.panner.distanceModel;\n\n\t}\n\n\tsetDistanceModel( value ) {\n\n\t\tthis.panner.distanceModel = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetMaxDistance() {\n\n\t\treturn this.panner.maxDistance;\n\n\t}\n\n\tsetMaxDistance( value ) {\n\n\t\tthis.panner.maxDistance = value;\n\n\t\treturn this;\n\n\t}\n\n\tsetDirectionalCone( coneInnerAngle, coneOuterAngle, coneOuterGain ) {\n\n\t\tthis.panner.coneInnerAngle = coneInnerAngle;\n\t\tthis.panner.coneOuterAngle = coneOuterAngle;\n\t\tthis.panner.coneOuterGain = coneOuterGain;\n\n\t\treturn this;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tif ( this.hasPlaybackControl === true && this.isPlaying === false ) return;\n\n\t\tthis.matrixWorld.decompose( _position, _quaternion, _scale );\n\n\t\t_orientation.set( 0, 0, 1 ).applyQuaternion( _quaternion );\n\n\t\tconst panner = this.panner;\n\n\t\tif ( panner.positionX ) {\n\n\t\t\t// code path for Chrome and Firefox (see #14393)\n\n\t\t\tconst endTime = this.context.currentTime + this.listener.timeDelta;\n\n\t\t\tpanner.positionX.linearRampToValueAtTime( _position.x, endTime );\n\t\t\tpanner.positionY.linearRampToValueAtTime( _position.y, endTime );\n\t\t\tpanner.positionZ.linearRampToValueAtTime( _position.z, endTime );\n\t\t\tpanner.orientationX.linearRampToValueAtTime( _orientation.x, endTime );\n\t\t\tpanner.orientationY.linearRampToValueAtTime( _orientation.y, endTime );\n\t\t\tpanner.orientationZ.linearRampToValueAtTime( _orientation.z, endTime );\n\n\t\t} else {\n\n\t\t\tpanner.setPosition( _position.x, _position.y, _position.z );\n\t\t\tpanner.setOrientation( _orientation.x, _orientation.y, _orientation.z );\n\n\t\t}\n\n\t}\n\n}\n\nclass AudioAnalyser {\n\n\tconstructor( audio, fftSize = 2048 ) {\n\n\t\tthis.analyser = audio.context.createAnalyser();\n\t\tthis.analyser.fftSize = fftSize;\n\n\t\tthis.data = new Uint8Array( this.analyser.frequencyBinCount );\n\n\t\taudio.getOutput().connect( this.analyser );\n\n\t}\n\n\n\tgetFrequencyData() {\n\n\t\tthis.analyser.getByteFrequencyData( this.data );\n\n\t\treturn this.data;\n\n\t}\n\n\tgetAverageFrequency() {\n\n\t\tlet value = 0;\n\t\tconst data = this.getFrequencyData();\n\n\t\tfor ( let i = 0; i < data.length; i ++ ) {\n\n\t\t\tvalue += data[ i ];\n\n\t\t}\n\n\t\treturn value / data.length;\n\n\t}\n\n}\n\nclass PropertyMixer {\n\n\tconstructor( binding, typeName, valueSize ) {\n\n\t\tthis.binding = binding;\n\t\tthis.valueSize = valueSize;\n\n\t\tlet mixFunction,\n\t\t\tmixFunctionAdditive,\n\t\t\tsetIdentity;\n\n\t\t// buffer layout: [ incoming | accu0 | accu1 | orig | addAccu | (optional work) ]\n\t\t//\n\t\t// interpolators can use .buffer as their .result\n\t\t// the data then goes to 'incoming'\n\t\t//\n\t\t// 'accu0' and 'accu1' are used frame-interleaved for\n\t\t// the cumulative result and are compared to detect\n\t\t// changes\n\t\t//\n\t\t// 'orig' stores the original state of the property\n\t\t//\n\t\t// 'add' is used for additive cumulative results\n\t\t//\n\t\t// 'work' is optional and is only present for quaternion types. It is used\n\t\t// to store intermediate quaternion multiplication results\n\n\t\tswitch ( typeName ) {\n\n\t\t\tcase 'quaternion':\n\t\t\t\tmixFunction = this._slerp;\n\t\t\t\tmixFunctionAdditive = this._slerpAdditive;\n\t\t\t\tsetIdentity = this._setAdditiveIdentityQuaternion;\n\n\t\t\t\tthis.buffer = new Float64Array( valueSize * 6 );\n\t\t\t\tthis._workIndex = 5;\n\t\t\t\tbreak;\n\n\t\t\tcase 'string':\n\t\t\tcase 'bool':\n\t\t\t\tmixFunction = this._select;\n\n\t\t\t\t// Use the regular mix function and for additive on these types,\n\t\t\t\t// additive is not relevant for non-numeric types\n\t\t\t\tmixFunctionAdditive = this._select;\n\n\t\t\t\tsetIdentity = this._setAdditiveIdentityOther;\n\n\t\t\t\tthis.buffer = new Array( valueSize * 5 );\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tmixFunction = this._lerp;\n\t\t\t\tmixFunctionAdditive = this._lerpAdditive;\n\t\t\t\tsetIdentity = this._setAdditiveIdentityNumeric;\n\n\t\t\t\tthis.buffer = new Float64Array( valueSize * 5 );\n\n\t\t}\n\n\t\tthis._mixBufferRegion = mixFunction;\n\t\tthis._mixBufferRegionAdditive = mixFunctionAdditive;\n\t\tthis._setIdentity = setIdentity;\n\t\tthis._origIndex = 3;\n\t\tthis._addIndex = 4;\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t\tthis.useCount = 0;\n\t\tthis.referenceCount = 0;\n\n\t}\n\n\t// accumulate data in the 'incoming' region into 'accu'\n\taccumulate( accuIndex, weight ) {\n\n\t\t// note: happily accumulating nothing when weight = 0, the caller knows\n\t\t// the weight and shouldn't have made the call in the first place\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = accuIndex * stride + stride;\n\n\t\tlet currentWeight = this.cumulativeWeight;\n\n\t\tif ( currentWeight === 0 ) {\n\n\t\t\t// accuN := incoming * weight\n\n\t\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tbuffer[ offset + i ] = buffer[ i ];\n\n\t\t\t}\n\n\t\t\tcurrentWeight = weight;\n\n\t\t} else {\n\n\t\t\t// accuN := accuN + incoming * weight\n\n\t\t\tcurrentWeight += weight;\n\t\t\tconst mix = weight / currentWeight;\n\t\t\tthis._mixBufferRegion( buffer, offset, 0, mix, stride );\n\n\t\t}\n\n\t\tthis.cumulativeWeight = currentWeight;\n\n\t}\n\n\t// accumulate data in the 'incoming' region into 'add'\n\taccumulateAdditive( weight ) {\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = stride * this._addIndex;\n\n\t\tif ( this.cumulativeWeightAdditive === 0 ) {\n\n\t\t\t// add = identity\n\n\t\t\tthis._setIdentity();\n\n\t\t}\n\n\t\t// add := add + incoming * weight\n\n\t\tthis._mixBufferRegionAdditive( buffer, offset, 0, weight, stride );\n\t\tthis.cumulativeWeightAdditive += weight;\n\n\t}\n\n\t// apply the state of 'accu' to the binding when accus differ\n\tapply( accuIndex ) {\n\n\t\tconst stride = this.valueSize,\n\t\t\tbuffer = this.buffer,\n\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\tweight = this.cumulativeWeight,\n\t\t\tweightAdditive = this.cumulativeWeightAdditive,\n\n\t\t\tbinding = this.binding;\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t\tif ( weight < 1 ) {\n\n\t\t\t// accuN := accuN + original * ( 1 - cumulativeWeight )\n\n\t\t\tconst originalValueOffset = stride * this._origIndex;\n\n\t\t\tthis._mixBufferRegion(\n\t\t\t\tbuffer, offset, originalValueOffset, 1 - weight, stride );\n\n\t\t}\n\n\t\tif ( weightAdditive > 0 ) {\n\n\t\t\t// accuN := accuN + additive accuN\n\n\t\t\tthis._mixBufferRegionAdditive( buffer, offset, this._addIndex * stride, 1, stride );\n\n\t\t}\n\n\t\tfor ( let i = stride, e = stride + stride; i !== e; ++ i ) {\n\n\t\t\tif ( buffer[ i ] !== buffer[ i + stride ] ) {\n\n\t\t\t\t// value has changed -> update scene graph\n\n\t\t\t\tbinding.setValue( buffer, offset );\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// remember the state of the bound property and copy it to both accus\n\tsaveOriginalState() {\n\n\t\tconst binding = this.binding;\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\n\t\t\toriginalValueOffset = stride * this._origIndex;\n\n\t\tbinding.getValue( buffer, originalValueOffset );\n\n\t\t// accu[0..1] := orig -- initially detect changes against the original\n\t\tfor ( let i = stride, e = originalValueOffset; i !== e; ++ i ) {\n\n\t\t\tbuffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ];\n\n\t\t}\n\n\t\t// Add to identity for additive\n\t\tthis._setIdentity();\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t}\n\n\t// apply the state previously taken via 'saveOriginalState' to the binding\n\trestoreOriginalState() {\n\n\t\tconst originalValueOffset = this.valueSize * 3;\n\t\tthis.binding.setValue( this.buffer, originalValueOffset );\n\n\t}\n\n\t_setAdditiveIdentityNumeric() {\n\n\t\tconst startIndex = this._addIndex * this.valueSize;\n\t\tconst endIndex = startIndex + this.valueSize;\n\n\t\tfor ( let i = startIndex; i < endIndex; i ++ ) {\n\n\t\t\tthis.buffer[ i ] = 0;\n\n\t\t}\n\n\t}\n\n\t_setAdditiveIdentityQuaternion() {\n\n\t\tthis._setAdditiveIdentityNumeric();\n\t\tthis.buffer[ this._addIndex * this.valueSize + 3 ] = 1;\n\n\t}\n\n\t_setAdditiveIdentityOther() {\n\n\t\tconst startIndex = this._origIndex * this.valueSize;\n\t\tconst targetIndex = this._addIndex * this.valueSize;\n\n\t\tfor ( let i = 0; i < this.valueSize; i ++ ) {\n\n\t\t\tthis.buffer[ targetIndex + i ] = this.buffer[ startIndex + i ];\n\n\t\t}\n\n\t}\n\n\n\t// mix functions\n\n\t_select( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tif ( t >= 0.5 ) {\n\n\t\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tbuffer[ dstOffset + i ] = buffer[ srcOffset + i ];\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_slerp( buffer, dstOffset, srcOffset, t ) {\n\n\t\tQuaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, srcOffset, t );\n\n\t}\n\n\t_slerpAdditive( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tconst workOffset = this._workIndex * stride;\n\n\t\t// Store result in intermediate buffer offset\n\t\tQuaternion.multiplyQuaternionsFlat( buffer, workOffset, buffer, dstOffset, buffer, srcOffset );\n\n\t\t// Slerp to the intermediate result\n\t\tQuaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, workOffset, t );\n\n\t}\n\n\t_lerp( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tconst s = 1 - t;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tconst j = dstOffset + i;\n\n\t\t\tbuffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t;\n\n\t\t}\n\n\t}\n\n\t_lerpAdditive( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tconst j = dstOffset + i;\n\n\t\t\tbuffer[ j ] = buffer[ j ] + buffer[ srcOffset + i ] * t;\n\n\t\t}\n\n\t}\n\n}\n\n// Characters [].:/ are reserved for track binding syntax.\nconst _RESERVED_CHARS_RE = '\\\\[\\\\]\\\\.:\\\\/';\nconst _reservedRe = new RegExp( '[' + _RESERVED_CHARS_RE + ']', 'g' );\n\n// Attempts to allow node names from any language. ES5's `\\w` regexp matches\n// only latin characters, and the unicode \\p{L} is not yet supported. So\n// instead, we exclude reserved characters and match everything else.\nconst _wordChar = '[^' + _RESERVED_CHARS_RE + ']';\nconst _wordCharOrDot = '[^' + _RESERVED_CHARS_RE.replace( '\\\\.', '' ) + ']';\n\n// Parent directories, delimited by '/' or ':'. Currently unused, but must\n// be matched to parse the rest of the track name.\nconst _directoryRe = /*@__PURE__*/ /((?:WC+[\\/:])*)/.source.replace( 'WC', _wordChar );\n\n// Target node. May contain word characters (a-zA-Z0-9_) and '.' or '-'.\nconst _nodeRe = /*@__PURE__*/ /(WCOD+)?/.source.replace( 'WCOD', _wordCharOrDot );\n\n// Object on target node, and accessor. May not contain reserved\n// characters. Accessor may contain any character except closing bracket.\nconst _objectRe = /*@__PURE__*/ /(?:\\.(WC+)(?:\\[(.+)\\])?)?/.source.replace( 'WC', _wordChar );\n\n// Property and accessor. May not contain reserved characters. Accessor may\n// contain any non-bracket characters.\nconst _propertyRe = /*@__PURE__*/ /\\.(WC+)(?:\\[(.+)\\])?/.source.replace( 'WC', _wordChar );\n\nconst _trackRe = new RegExp( ''\n\t+ '^'\n\t+ _directoryRe\n\t+ _nodeRe\n\t+ _objectRe\n\t+ _propertyRe\n\t+ '$'\n);\n\nconst _supportedObjectNames = [ 'material', 'materials', 'bones', 'map' ];\n\nclass Composite {\n\n\tconstructor( targetGroup, path, optionalParsedPath ) {\n\n\t\tconst parsedPath = optionalParsedPath || PropertyBinding.parseTrackName( path );\n\n\t\tthis._targetGroup = targetGroup;\n\t\tthis._bindings = targetGroup.subscribe_( path, parsedPath );\n\n\t}\n\n\tgetValue( array, offset ) {\n\n\t\tthis.bind(); // bind all binding\n\n\t\tconst firstValidIndex = this._targetGroup.nCachedObjects_,\n\t\t\tbinding = this._bindings[ firstValidIndex ];\n\n\t\t// and only call .getValue on the first\n\t\tif ( binding !== undefined ) binding.getValue( array, offset );\n\n\t}\n\n\tsetValue( array, offset ) {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].setValue( array, offset );\n\n\t\t}\n\n\t}\n\n\tbind() {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].bind();\n\n\t\t}\n\n\t}\n\n\tunbind() {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].unbind();\n\n\t\t}\n\n\t}\n\n}\n\n// Note: This class uses a State pattern on a per-method basis:\n// 'bind' sets 'this.getValue' / 'setValue' and shadows the\n// prototype version of these methods with one that represents\n// the bound state. When the property is not found, the methods\n// become no-ops.\nclass PropertyBinding {\n\n\tconstructor( rootNode, path, parsedPath ) {\n\n\t\tthis.path = path;\n\t\tthis.parsedPath = parsedPath || PropertyBinding.parseTrackName( path );\n\n\t\tthis.node = PropertyBinding.findNode( rootNode, this.parsedPath.nodeName );\n\n\t\tthis.rootNode = rootNode;\n\n\t\t// initial state of these methods that calls 'bind'\n\t\tthis.getValue = this._getValue_unbound;\n\t\tthis.setValue = this._setValue_unbound;\n\n\t}\n\n\n\tstatic create( root, path, parsedPath ) {\n\n\t\tif ( ! ( root && root.isAnimationObjectGroup ) ) {\n\n\t\t\treturn new PropertyBinding( root, path, parsedPath );\n\n\t\t} else {\n\n\t\t\treturn new PropertyBinding.Composite( root, path, parsedPath );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Replaces spaces with underscores and removes unsupported characters from\n\t * node names, to ensure compatibility with parseTrackName().\n\t *\n\t * @param {string} name Node name to be sanitized.\n\t * @return {string}\n\t */\n\tstatic sanitizeNodeName( name ) {\n\n\t\treturn name.replace( /\\s/g, '_' ).replace( _reservedRe, '' );\n\n\t}\n\n\tstatic parseTrackName( trackName ) {\n\n\t\tconst matches = _trackRe.exec( trackName );\n\n\t\tif ( matches === null ) {\n\n\t\t\tthrow new Error( 'PropertyBinding: Cannot parse trackName: ' + trackName );\n\n\t\t}\n\n\t\tconst results = {\n\t\t\t// directoryName: matches[ 1 ], // (tschw) currently unused\n\t\t\tnodeName: matches[ 2 ],\n\t\t\tobjectName: matches[ 3 ],\n\t\t\tobjectIndex: matches[ 4 ],\n\t\t\tpropertyName: matches[ 5 ], // required\n\t\t\tpropertyIndex: matches[ 6 ]\n\t\t};\n\n\t\tconst lastDot = results.nodeName && results.nodeName.lastIndexOf( '.' );\n\n\t\tif ( lastDot !== undefined && lastDot !== - 1 ) {\n\n\t\t\tconst objectName = results.nodeName.substring( lastDot + 1 );\n\n\t\t\t// Object names must be checked against an allowlist. Otherwise, there\n\t\t\t// is no way to parse 'foo.bar.baz': 'baz' must be a property, but\n\t\t\t// 'bar' could be the objectName, or part of a nodeName (which can\n\t\t\t// include '.' characters).\n\t\t\tif ( _supportedObjectNames.indexOf( objectName ) !== - 1 ) {\n\n\t\t\t\tresults.nodeName = results.nodeName.substring( 0, lastDot );\n\t\t\t\tresults.objectName = objectName;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( results.propertyName === null || results.propertyName.length === 0 ) {\n\n\t\t\tthrow new Error( 'PropertyBinding: can not parse propertyName from trackName: ' + trackName );\n\n\t\t}\n\n\t\treturn results;\n\n\t}\n\n\tstatic findNode( root, nodeName ) {\n\n\t\tif ( nodeName === undefined || nodeName === '' || nodeName === '.' || nodeName === - 1 || nodeName === root.name || nodeName === root.uuid ) {\n\n\t\t\treturn root;\n\n\t\t}\n\n\t\t// search into skeleton bones.\n\t\tif ( root.skeleton ) {\n\n\t\t\tconst bone = root.skeleton.getBoneByName( nodeName );\n\n\t\t\tif ( bone !== undefined ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// search into node subtree.\n\t\tif ( root.children ) {\n\n\t\t\tconst searchNodeSubtree = function ( children ) {\n\n\t\t\t\tfor ( let i = 0; i < children.length; i ++ ) {\n\n\t\t\t\t\tconst childNode = children[ i ];\n\n\t\t\t\t\tif ( childNode.name === nodeName || childNode.uuid === nodeName ) {\n\n\t\t\t\t\t\treturn childNode;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst result = searchNodeSubtree( childNode.children );\n\n\t\t\t\t\tif ( result ) return result;\n\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tconst subTreeNode = searchNodeSubtree( root.children );\n\n\t\t\tif ( subTreeNode ) {\n\n\t\t\t\treturn subTreeNode;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\t// these are used to \"bind\" a nonexistent property\n\t_getValue_unavailable() {}\n\t_setValue_unavailable() {}\n\n\t// Getters\n\n\t_getValue_direct( buffer, offset ) {\n\n\t\tbuffer[ offset ] = this.targetObject[ this.propertyName ];\n\n\t}\n\n\t_getValue_array( buffer, offset ) {\n\n\t\tconst source = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = source.length; i !== n; ++ i ) {\n\n\t\t\tbuffer[ offset ++ ] = source[ i ];\n\n\t\t}\n\n\t}\n\n\t_getValue_arrayElement( buffer, offset ) {\n\n\t\tbuffer[ offset ] = this.resolvedProperty[ this.propertyIndex ];\n\n\t}\n\n\t_getValue_toArray( buffer, offset ) {\n\n\t\tthis.resolvedProperty.toArray( buffer, offset );\n\n\t}\n\n\t// Direct\n\n\t_setValue_direct( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\n\t}\n\n\t_setValue_direct_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// EntireArray\n\n\t_setValue_array( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t}\n\n\t_setValue_array_setNeedsUpdate( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// ArrayElement\n\n\t_setValue_arrayElement( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\n\t}\n\n\t_setValue_arrayElement_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// HasToFromArray\n\n\t_setValue_fromArray( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\n\t}\n\n\t_setValue_fromArray_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t_getValue_unbound( targetArray, offset ) {\n\n\t\tthis.bind();\n\t\tthis.getValue( targetArray, offset );\n\n\t}\n\n\t_setValue_unbound( sourceArray, offset ) {\n\n\t\tthis.bind();\n\t\tthis.setValue( sourceArray, offset );\n\n\t}\n\n\t// create getter / setter pair for a property in the scene graph\n\tbind() {\n\n\t\tlet targetObject = this.node;\n\t\tconst parsedPath = this.parsedPath;\n\n\t\tconst objectName = parsedPath.objectName;\n\t\tconst propertyName = parsedPath.propertyName;\n\t\tlet propertyIndex = parsedPath.propertyIndex;\n\n\t\tif ( ! targetObject ) {\n\n\t\t\ttargetObject = PropertyBinding.findNode( this.rootNode, parsedPath.nodeName );\n\n\t\t\tthis.node = targetObject;\n\n\t\t}\n\n\t\t// set fail state so we can just 'return' on error\n\t\tthis.getValue = this._getValue_unavailable;\n\t\tthis.setValue = this._setValue_unavailable;\n\n\t\t// ensure there is a value node\n\t\tif ( ! targetObject ) {\n\n\t\t\tconsole.warn( 'THREE.PropertyBinding: No target node found for track: ' + this.path + '.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( objectName ) {\n\n\t\t\tlet objectIndex = parsedPath.objectIndex;\n\n\t\t\t// special cases were we need to reach deeper into the hierarchy to get the face materials....\n\t\t\tswitch ( objectName ) {\n\n\t\t\t\tcase 'materials':\n\n\t\t\t\t\tif ( ! targetObject.material ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to material as node does not have a material.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! targetObject.material.materials ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject.material.materials;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'bones':\n\n\t\t\t\t\tif ( ! targetObject.skeleton ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// potential future optimization: skip this if propertyIndex is already an integer\n\t\t\t\t\t// and convert the integer string to a true integer.\n\n\t\t\t\t\ttargetObject = targetObject.skeleton.bones;\n\n\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\tfor ( let i = 0; i < targetObject.length; i ++ ) {\n\n\t\t\t\t\t\tif ( targetObject[ i ].name === objectIndex ) {\n\n\t\t\t\t\t\t\tobjectIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'map':\n\n\t\t\t\t\tif ( 'map' in targetObject ) {\n\n\t\t\t\t\t\ttargetObject = targetObject.map;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! targetObject.material ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to material as node does not have a material.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! targetObject.material.map ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to material.map as node.material does not have a map.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject.material.map;\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tif ( targetObject[ objectName ] === undefined ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to objectName of node undefined.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject[ objectName ];\n\n\t\t\t}\n\n\n\t\t\tif ( objectIndex !== undefined ) {\n\n\t\t\t\tif ( targetObject[ objectIndex ] === undefined ) {\n\n\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.', this, targetObject );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\ttargetObject = targetObject[ objectIndex ];\n\n\t\t\t}\n\n\t\t}\n\n\t\t// resolve property\n\t\tconst nodeProperty = targetObject[ propertyName ];\n\n\t\tif ( nodeProperty === undefined ) {\n\n\t\t\tconst nodeName = parsedPath.nodeName;\n\n\t\t\tconsole.error( 'THREE.PropertyBinding: Trying to update property for track: ' + nodeName +\n\t\t\t\t'.' + propertyName + ' but it wasn\\'t found.', targetObject );\n\t\t\treturn;\n\n\t\t}\n\n\t\t// determine versioning scheme\n\t\tlet versioning = this.Versioning.None;\n\n\t\tthis.targetObject = targetObject;\n\n\t\tif ( targetObject.isMaterial === true ) {\n\n\t\t\tversioning = this.Versioning.NeedsUpdate;\n\n\t\t} else if ( targetObject.isObject3D === true ) {\n\n\t\t\tversioning = this.Versioning.MatrixWorldNeedsUpdate;\n\n\t\t}\n\n\t\t// determine how the property gets bound\n\t\tlet bindingType = this.BindingType.Direct;\n\n\t\tif ( propertyIndex !== undefined ) {\n\n\t\t\t// access a sub element of the property array (only primitives are supported right now)\n\n\t\t\tif ( propertyName === 'morphTargetInfluences' ) {\n\n\t\t\t\t// potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer.\n\n\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\tif ( ! targetObject.geometry ) {\n\n\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.', this );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tif ( ! targetObject.geometry.morphAttributes ) {\n\n\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.', this );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tif ( targetObject.morphTargetDictionary[ propertyIndex ] !== undefined ) {\n\n\t\t\t\t\tpropertyIndex = targetObject.morphTargetDictionary[ propertyIndex ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tbindingType = this.BindingType.ArrayElement;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\t\t\tthis.propertyIndex = propertyIndex;\n\n\t\t} else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) {\n\n\t\t\t// must use copy for Object3D.Euler/Quaternion\n\n\t\t\tbindingType = this.BindingType.HasFromToArray;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t} else if ( Array.isArray( nodeProperty ) ) {\n\n\t\t\tbindingType = this.BindingType.EntireArray;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t} else {\n\n\t\t\tthis.propertyName = propertyName;\n\n\t\t}\n\n\t\t// select getter / setter\n\t\tthis.getValue = this.GetterByBindingType[ bindingType ];\n\t\tthis.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ];\n\n\t}\n\n\tunbind() {\n\n\t\tthis.node = null;\n\n\t\t// back to the prototype version of getValue / setValue\n\t\t// note: avoiding to mutate the shape of 'this' via 'delete'\n\t\tthis.getValue = this._getValue_unbound;\n\t\tthis.setValue = this._setValue_unbound;\n\n\t}\n\n}\n\nPropertyBinding.Composite = Composite;\n\nPropertyBinding.prototype.BindingType = {\n\tDirect: 0,\n\tEntireArray: 1,\n\tArrayElement: 2,\n\tHasFromToArray: 3\n};\n\nPropertyBinding.prototype.Versioning = {\n\tNone: 0,\n\tNeedsUpdate: 1,\n\tMatrixWorldNeedsUpdate: 2\n};\n\nPropertyBinding.prototype.GetterByBindingType = [\n\n\tPropertyBinding.prototype._getValue_direct,\n\tPropertyBinding.prototype._getValue_array,\n\tPropertyBinding.prototype._getValue_arrayElement,\n\tPropertyBinding.prototype._getValue_toArray,\n\n];\n\nPropertyBinding.prototype.SetterByBindingTypeAndVersioning = [\n\n\t[\n\t\t// Direct\n\t\tPropertyBinding.prototype._setValue_direct,\n\t\tPropertyBinding.prototype._setValue_direct_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_direct_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// EntireArray\n\n\t\tPropertyBinding.prototype._setValue_array,\n\t\tPropertyBinding.prototype._setValue_array_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_array_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// ArrayElement\n\t\tPropertyBinding.prototype._setValue_arrayElement,\n\t\tPropertyBinding.prototype._setValue_arrayElement_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// HasToFromArray\n\t\tPropertyBinding.prototype._setValue_fromArray,\n\t\tPropertyBinding.prototype._setValue_fromArray_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate,\n\n\t]\n\n];\n\n/**\n *\n * A group of objects that receives a shared animation state.\n *\n * Usage:\n *\n * - Add objects you would otherwise pass as 'root' to the\n * constructor or the .clipAction method of AnimationMixer.\n *\n * - Instead pass this object as 'root'.\n *\n * - You can also add and remove objects later when the mixer\n * is running.\n *\n * Note:\n *\n * Objects of this class appear as one object to the mixer,\n * so cache control of the individual objects must be done\n * on the group.\n *\n * Limitation:\n *\n * - The animated properties must be compatible among the\n * all objects in the group.\n *\n * - A single property can either be controlled through a\n * target group or directly, but not both.\n */\n\nclass AnimationObjectGroup {\n\n\tconstructor() {\n\n\t\tthis.isAnimationObjectGroup = true;\n\n\t\tthis.uuid = generateUUID();\n\n\t\t// cached objects followed by the active ones\n\t\tthis._objects = Array.prototype.slice.call( arguments );\n\n\t\tthis.nCachedObjects_ = 0; // threshold\n\t\t// note: read by PropertyBinding.Composite\n\n\t\tconst indices = {};\n\t\tthis._indicesByUUID = indices; // for bookkeeping\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tindices[ arguments[ i ].uuid ] = i;\n\n\t\t}\n\n\t\tthis._paths = []; // inside: string\n\t\tthis._parsedPaths = []; // inside: { we don't care, here }\n\t\tthis._bindings = []; // inside: Array< PropertyBinding >\n\t\tthis._bindingsIndicesByPath = {}; // inside: indices in these arrays\n\n\t\tconst scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tobjects: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._objects.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn this.total - scope.nCachedObjects_;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tget bindingsPerObject() {\n\n\t\t\t\treturn scope._bindings.length;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tadd() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tpaths = this._paths,\n\t\t\tparsedPaths = this._parsedPaths,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet knownObject = undefined,\n\t\t\tnObjects = objects.length,\n\t\t\tnCachedObjects = this.nCachedObjects_;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid;\n\t\t\tlet index = indicesByUUID[ uuid ];\n\n\t\t\tif ( index === undefined ) {\n\n\t\t\t\t// unknown object -> add it to the ACTIVE region\n\n\t\t\t\tindex = nObjects ++;\n\t\t\t\tindicesByUUID[ uuid ] = index;\n\t\t\t\tobjects.push( object );\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tbindings[ j ].push( new PropertyBinding( object, paths[ j ], parsedPaths[ j ] ) );\n\n\t\t\t\t}\n\n\t\t\t} else if ( index < nCachedObjects ) {\n\n\t\t\t\tknownObject = objects[ index ];\n\n\t\t\t\t// move existing object to the ACTIVE region\n\n\t\t\t\tconst firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ];\n\n\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\tindicesByUUID[ uuid ] = firstActiveIndex;\n\t\t\t\tobjects[ firstActiveIndex ] = object;\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ];\n\n\t\t\t\t\tlet binding = bindingsForPath[ index ];\n\n\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\n\t\t\t\t\tif ( binding === undefined ) {\n\n\t\t\t\t\t\t// since we do not bother to create new bindings\n\t\t\t\t\t\t// for objects that are cached, the binding may\n\t\t\t\t\t\t// or may not exist\n\n\t\t\t\t\t\tbinding = new PropertyBinding( object, paths[ j ], parsedPaths[ j ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = binding;\n\n\t\t\t\t}\n\n\t\t\t} else if ( objects[ index ] !== knownObject ) {\n\n\t\t\t\tconsole.error( 'THREE.AnimationObjectGroup: Different objects with the same UUID ' +\n\t\t\t\t\t'detected. Clean the caches or recreate your infrastructure when reloading scenes.' );\n\n\t\t\t} // else the object is already where we want it to be\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\tremove() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet nCachedObjects = this.nCachedObjects_;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid,\n\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\tif ( index !== undefined && index >= nCachedObjects ) {\n\n\t\t\t\t// move existing object into the CACHED region\n\n\t\t\t\tconst lastCachedIndex = nCachedObjects ++,\n\t\t\t\t\tfirstActiveObject = objects[ lastCachedIndex ];\n\n\t\t\t\tindicesByUUID[ firstActiveObject.uuid ] = index;\n\t\t\t\tobjects[ index ] = firstActiveObject;\n\n\t\t\t\tindicesByUUID[ uuid ] = lastCachedIndex;\n\t\t\t\tobjects[ lastCachedIndex ] = object;\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\tfirstActive = bindingsForPath[ lastCachedIndex ],\n\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\tbindingsForPath[ index ] = firstActive;\n\t\t\t\t\tbindingsForPath[ lastCachedIndex ] = binding;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\t// remove & forget\n\tuncache() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet nCachedObjects = this.nCachedObjects_,\n\t\t\tnObjects = objects.length;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid,\n\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tdelete indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index < nCachedObjects ) {\n\n\t\t\t\t\t// object is cached, shrink the CACHED region\n\n\t\t\t\t\tconst firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ],\n\t\t\t\t\t\tlastIndex = -- nObjects,\n\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t// last cached object takes this object's place\n\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\t// last object goes to the activated slot and pop\n\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = firstActiveIndex;\n\t\t\t\t\tobjects[ firstActiveIndex ] = lastObject;\n\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\tlast = bindingsForPath[ lastIndex ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = last;\n\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// object is active, just swap with the last and pop\n\n\t\t\t\t\tconst lastIndex = -- nObjects,\n\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\tif ( lastIndex > 0 ) {\n\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = index;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tobjects[ index ] = lastObject;\n\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tconst bindingsForPath = bindings[ j ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = bindingsForPath[ lastIndex ];\n\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t}\n\n\t\t\t\t} // cached or active\n\n\t\t\t} // if object is known\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\t// Internal interface used by befriended PropertyBinding.Composite:\n\n\tsubscribe_( path, parsedPath ) {\n\n\t\t// returns an array of bindings for the given path that is changed\n\t\t// according to the contained objects in the group\n\n\t\tconst indicesByPath = this._bindingsIndicesByPath;\n\t\tlet index = indicesByPath[ path ];\n\t\tconst bindings = this._bindings;\n\n\t\tif ( index !== undefined ) return bindings[ index ];\n\n\t\tconst paths = this._paths,\n\t\t\tparsedPaths = this._parsedPaths,\n\t\t\tobjects = this._objects,\n\t\t\tnObjects = objects.length,\n\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\tbindingsForPath = new Array( nObjects );\n\n\t\tindex = bindings.length;\n\n\t\tindicesByPath[ path ] = index;\n\n\t\tpaths.push( path );\n\t\tparsedPaths.push( parsedPath );\n\t\tbindings.push( bindingsForPath );\n\n\t\tfor ( let i = nCachedObjects, n = objects.length; i !== n; ++ i ) {\n\n\t\t\tconst object = objects[ i ];\n\t\t\tbindingsForPath[ i ] = new PropertyBinding( object, path, parsedPath );\n\n\t\t}\n\n\t\treturn bindingsForPath;\n\n\t}\n\n\tunsubscribe_( path ) {\n\n\t\t// tells the group to forget about a property path and no longer\n\t\t// update the array previously obtained with 'subscribe_'\n\n\t\tconst indicesByPath = this._bindingsIndicesByPath,\n\t\t\tindex = indicesByPath[ path ];\n\n\t\tif ( index !== undefined ) {\n\n\t\t\tconst paths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tlastBindingsIndex = bindings.length - 1,\n\t\t\t\tlastBindings = bindings[ lastBindingsIndex ],\n\t\t\t\tlastBindingsPath = path[ lastBindingsIndex ];\n\n\t\t\tindicesByPath[ lastBindingsPath ] = index;\n\n\t\t\tbindings[ index ] = lastBindings;\n\t\t\tbindings.pop();\n\n\t\t\tparsedPaths[ index ] = parsedPaths[ lastBindingsIndex ];\n\t\t\tparsedPaths.pop();\n\n\t\t\tpaths[ index ] = paths[ lastBindingsIndex ];\n\t\t\tpaths.pop();\n\n\t\t}\n\n\t}\n\n}\n\nclass AnimationAction {\n\n\tconstructor( mixer, clip, localRoot = null, blendMode = clip.blendMode ) {\n\n\t\tthis._mixer = mixer;\n\t\tthis._clip = clip;\n\t\tthis._localRoot = localRoot;\n\t\tthis.blendMode = blendMode;\n\n\t\tconst tracks = clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tinterpolants = new Array( nTracks );\n\n\t\tconst interpolantSettings = {\n\t\t\tendingStart: ZeroCurvatureEnding,\n\t\t\tendingEnd: ZeroCurvatureEnding\n\t\t};\n\n\t\tfor ( let i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tconst interpolant = tracks[ i ].createInterpolant( null );\n\t\t\tinterpolants[ i ] = interpolant;\n\t\t\tinterpolant.settings = interpolantSettings;\n\n\t\t}\n\n\t\tthis._interpolantSettings = interpolantSettings;\n\n\t\tthis._interpolants = interpolants; // bound by the mixer\n\n\t\t// inside: PropertyMixer (managed by the mixer)\n\t\tthis._propertyBindings = new Array( nTracks );\n\n\t\tthis._cacheIndex = null; // for the memory manager\n\t\tthis._byClipCacheIndex = null; // for the memory manager\n\n\t\tthis._timeScaleInterpolant = null;\n\t\tthis._weightInterpolant = null;\n\n\t\tthis.loop = LoopRepeat;\n\t\tthis._loopCount = - 1;\n\n\t\t// global mixer time when the action is to be started\n\t\t// it's set back to 'null' upon start of the action\n\t\tthis._startTime = null;\n\n\t\t// scaled local time of the action\n\t\t// gets clamped or wrapped to 0..clip.duration according to loop\n\t\tthis.time = 0;\n\n\t\tthis.timeScale = 1;\n\t\tthis._effectiveTimeScale = 1;\n\n\t\tthis.weight = 1;\n\t\tthis._effectiveWeight = 1;\n\n\t\tthis.repetitions = Infinity; // no. of repetitions when looping\n\n\t\tthis.paused = false; // true -> zero effective time scale\n\t\tthis.enabled = true; // false -> zero effective weight\n\n\t\tthis.clampWhenFinished = false;// keep feeding the last frame?\n\n\t\tthis.zeroSlopeAtStart = true;// for smooth interpolation w/o separate\n\t\tthis.zeroSlopeAtEnd = true;// clips for start, loop and end\n\n\t}\n\n\t// State & Scheduling\n\n\tplay() {\n\n\t\tthis._mixer._activateAction( this );\n\n\t\treturn this;\n\n\t}\n\n\tstop() {\n\n\t\tthis._mixer._deactivateAction( this );\n\n\t\treturn this.reset();\n\n\t}\n\n\treset() {\n\n\t\tthis.paused = false;\n\t\tthis.enabled = true;\n\n\t\tthis.time = 0; // restart clip\n\t\tthis._loopCount = - 1;// forget previous loops\n\t\tthis._startTime = null;// forget scheduling\n\n\t\treturn this.stopFading().stopWarping();\n\n\t}\n\n\tisRunning() {\n\n\t\treturn this.enabled && ! this.paused && this.timeScale !== 0 &&\n\t\t\tthis._startTime === null && this._mixer._isActiveAction( this );\n\n\t}\n\n\t// return true when play has been called\n\tisScheduled() {\n\n\t\treturn this._mixer._isActiveAction( this );\n\n\t}\n\n\tstartAt( time ) {\n\n\t\tthis._startTime = time;\n\n\t\treturn this;\n\n\t}\n\n\tsetLoop( mode, repetitions ) {\n\n\t\tthis.loop = mode;\n\t\tthis.repetitions = repetitions;\n\n\t\treturn this;\n\n\t}\n\n\t// Weight\n\n\t// set the weight stopping any scheduled fading\n\t// although .enabled = false yields an effective weight of zero, this\n\t// method does *not* change .enabled, because it would be confusing\n\tsetEffectiveWeight( weight ) {\n\n\t\tthis.weight = weight;\n\n\t\t// note: same logic as when updated at runtime\n\t\tthis._effectiveWeight = this.enabled ? weight : 0;\n\n\t\treturn this.stopFading();\n\n\t}\n\n\t// return the weight considering fading and .enabled\n\tgetEffectiveWeight() {\n\n\t\treturn this._effectiveWeight;\n\n\t}\n\n\tfadeIn( duration ) {\n\n\t\treturn this._scheduleFading( duration, 0, 1 );\n\n\t}\n\n\tfadeOut( duration ) {\n\n\t\treturn this._scheduleFading( duration, 1, 0 );\n\n\t}\n\n\tcrossFadeFrom( fadeOutAction, duration, warp ) {\n\n\t\tfadeOutAction.fadeOut( duration );\n\t\tthis.fadeIn( duration );\n\n\t\tif ( warp ) {\n\n\t\t\tconst fadeInDuration = this._clip.duration,\n\t\t\t\tfadeOutDuration = fadeOutAction._clip.duration,\n\n\t\t\t\tstartEndRatio = fadeOutDuration / fadeInDuration,\n\t\t\t\tendStartRatio = fadeInDuration / fadeOutDuration;\n\n\t\t\tfadeOutAction.warp( 1.0, startEndRatio, duration );\n\t\t\tthis.warp( endStartRatio, 1.0, duration );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcrossFadeTo( fadeInAction, duration, warp ) {\n\n\t\treturn fadeInAction.crossFadeFrom( this, duration, warp );\n\n\t}\n\n\tstopFading() {\n\n\t\tconst weightInterpolant = this._weightInterpolant;\n\n\t\tif ( weightInterpolant !== null ) {\n\n\t\t\tthis._weightInterpolant = null;\n\t\t\tthis._mixer._takeBackControlInterpolant( weightInterpolant );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// Time Scale Control\n\n\t// set the time scale stopping any scheduled warping\n\t// although .paused = true yields an effective time scale of zero, this\n\t// method does *not* change .paused, because it would be confusing\n\tsetEffectiveTimeScale( timeScale ) {\n\n\t\tthis.timeScale = timeScale;\n\t\tthis._effectiveTimeScale = this.paused ? 0 : timeScale;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\t// return the time scale considering warping and .paused\n\tgetEffectiveTimeScale() {\n\n\t\treturn this._effectiveTimeScale;\n\n\t}\n\n\tsetDuration( duration ) {\n\n\t\tthis.timeScale = this._clip.duration / duration;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\tsyncWith( action ) {\n\n\t\tthis.time = action.time;\n\t\tthis.timeScale = action.timeScale;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\thalt( duration ) {\n\n\t\treturn this.warp( this._effectiveTimeScale, 0, duration );\n\n\t}\n\n\twarp( startTimeScale, endTimeScale, duration ) {\n\n\t\tconst mixer = this._mixer,\n\t\t\tnow = mixer.time,\n\t\t\ttimeScale = this.timeScale;\n\n\t\tlet interpolant = this._timeScaleInterpolant;\n\n\t\tif ( interpolant === null ) {\n\n\t\t\tinterpolant = mixer._lendControlInterpolant();\n\t\t\tthis._timeScaleInterpolant = interpolant;\n\n\t\t}\n\n\t\tconst times = interpolant.parameterPositions,\n\t\t\tvalues = interpolant.sampleValues;\n\n\t\ttimes[ 0 ] = now;\n\t\ttimes[ 1 ] = now + duration;\n\n\t\tvalues[ 0 ] = startTimeScale / timeScale;\n\t\tvalues[ 1 ] = endTimeScale / timeScale;\n\n\t\treturn this;\n\n\t}\n\n\tstopWarping() {\n\n\t\tconst timeScaleInterpolant = this._timeScaleInterpolant;\n\n\t\tif ( timeScaleInterpolant !== null ) {\n\n\t\t\tthis._timeScaleInterpolant = null;\n\t\t\tthis._mixer._takeBackControlInterpolant( timeScaleInterpolant );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// Object Accessors\n\n\tgetMixer() {\n\n\t\treturn this._mixer;\n\n\t}\n\n\tgetClip() {\n\n\t\treturn this._clip;\n\n\t}\n\n\tgetRoot() {\n\n\t\treturn this._localRoot || this._mixer._root;\n\n\t}\n\n\t// Interna\n\n\t_update( time, deltaTime, timeDirection, accuIndex ) {\n\n\t\t// called by the mixer\n\n\t\tif ( ! this.enabled ) {\n\n\t\t\t// call ._updateWeight() to update ._effectiveWeight\n\n\t\t\tthis._updateWeight( time );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst startTime = this._startTime;\n\n\t\tif ( startTime !== null ) {\n\n\t\t\t// check for scheduled start of action\n\n\t\t\tconst timeRunning = ( time - startTime ) * timeDirection;\n\t\t\tif ( timeRunning < 0 || timeDirection === 0 ) {\n\n\t\t\t\tdeltaTime = 0;\n\n\t\t\t} else {\n\n\n\t\t\t\tthis._startTime = null; // unschedule\n\t\t\t\tdeltaTime = timeDirection * timeRunning;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// apply time scale and advance time\n\n\t\tdeltaTime *= this._updateTimeScale( time );\n\t\tconst clipTime = this._updateTime( deltaTime );\n\n\t\t// note: _updateTime may disable the action resulting in\n\t\t// an effective weight of 0\n\n\t\tconst weight = this._updateWeight( time );\n\n\t\tif ( weight > 0 ) {\n\n\t\t\tconst interpolants = this._interpolants;\n\t\t\tconst propertyMixers = this._propertyBindings;\n\n\t\t\tswitch ( this.blendMode ) {\n\n\t\t\t\tcase AdditiveAnimationBlendMode:\n\n\t\t\t\t\tfor ( let j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\t\tpropertyMixers[ j ].accumulateAdditive( weight );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase NormalAnimationBlendMode:\n\t\t\t\tdefault:\n\n\t\t\t\t\tfor ( let j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\t\tpropertyMixers[ j ].accumulate( accuIndex, weight );\n\n\t\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_updateWeight( time ) {\n\n\t\tlet weight = 0;\n\n\t\tif ( this.enabled ) {\n\n\t\t\tweight = this.weight;\n\t\t\tconst interpolant = this._weightInterpolant;\n\n\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\tconst interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\tweight *= interpolantValue;\n\n\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\tthis.stopFading();\n\n\t\t\t\t\tif ( interpolantValue === 0 ) {\n\n\t\t\t\t\t\t// faded out, disable\n\t\t\t\t\t\tthis.enabled = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis._effectiveWeight = weight;\n\t\treturn weight;\n\n\t}\n\n\t_updateTimeScale( time ) {\n\n\t\tlet timeScale = 0;\n\n\t\tif ( ! this.paused ) {\n\n\t\t\ttimeScale = this.timeScale;\n\n\t\t\tconst interpolant = this._timeScaleInterpolant;\n\n\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\tconst interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\ttimeScale *= interpolantValue;\n\n\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\tthis.stopWarping();\n\n\t\t\t\t\tif ( timeScale === 0 ) {\n\n\t\t\t\t\t\t// motion has halted, pause\n\t\t\t\t\t\tthis.paused = true;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// warp done - apply final time scale\n\t\t\t\t\t\tthis.timeScale = timeScale;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis._effectiveTimeScale = timeScale;\n\t\treturn timeScale;\n\n\t}\n\n\t_updateTime( deltaTime ) {\n\n\t\tconst duration = this._clip.duration;\n\t\tconst loop = this.loop;\n\n\t\tlet time = this.time + deltaTime;\n\t\tlet loopCount = this._loopCount;\n\n\t\tconst pingPong = ( loop === LoopPingPong );\n\n\t\tif ( deltaTime === 0 ) {\n\n\t\t\tif ( loopCount === - 1 ) return time;\n\n\t\t\treturn ( pingPong && ( loopCount & 1 ) === 1 ) ? duration - time : time;\n\n\t\t}\n\n\t\tif ( loop === LoopOnce ) {\n\n\t\t\tif ( loopCount === - 1 ) {\n\n\t\t\t\t// just started\n\n\t\t\t\tthis._loopCount = 0;\n\t\t\t\tthis._setEndings( true, true, false );\n\n\t\t\t}\n\n\t\t\thandle_stop: {\n\n\t\t\t\tif ( time >= duration ) {\n\n\t\t\t\t\ttime = duration;\n\n\t\t\t\t} else if ( time < 0 ) {\n\n\t\t\t\t\ttime = 0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tbreak handle_stop;\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\telse this.enabled = false;\n\n\t\t\t\tthis.time = time;\n\n\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\tdirection: deltaTime < 0 ? - 1 : 1\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t} else { // repetitive Repeat or PingPong\n\n\t\t\tif ( loopCount === - 1 ) {\n\n\t\t\t\t// just started\n\n\t\t\t\tif ( deltaTime >= 0 ) {\n\n\t\t\t\t\tloopCount = 0;\n\n\t\t\t\t\tthis._setEndings( true, this.repetitions === 0, pingPong );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// when looping in reverse direction, the initial\n\t\t\t\t\t// transition through zero counts as a repetition,\n\t\t\t\t\t// so leave loopCount at -1\n\n\t\t\t\t\tthis._setEndings( this.repetitions === 0, true, pingPong );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( time >= duration || time < 0 ) {\n\n\t\t\t\t// wrap around\n\n\t\t\t\tconst loopDelta = Math.floor( time / duration ); // signed\n\t\t\t\ttime -= duration * loopDelta;\n\n\t\t\t\tloopCount += Math.abs( loopDelta );\n\n\t\t\t\tconst pending = this.repetitions - loopCount;\n\n\t\t\t\tif ( pending <= 0 ) {\n\n\t\t\t\t\t// have to stop (switch state, clamp time, fire event)\n\n\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\ttime = deltaTime > 0 ? duration : 0;\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\tdirection: deltaTime > 0 ? 1 : - 1\n\t\t\t\t\t} );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// keep running\n\n\t\t\t\t\tif ( pending === 1 ) {\n\n\t\t\t\t\t\t// entering the last round\n\n\t\t\t\t\t\tconst atStart = deltaTime < 0;\n\t\t\t\t\t\tthis._setEndings( atStart, ! atStart, pingPong );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthis._setEndings( false, false, pingPong );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis._loopCount = loopCount;\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'loop', action: this, loopDelta: loopDelta\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tthis.time = time;\n\n\t\t\t}\n\n\t\t\tif ( pingPong && ( loopCount & 1 ) === 1 ) {\n\n\t\t\t\t// invert time for the \"pong round\"\n\n\t\t\t\treturn duration - time;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn time;\n\n\t}\n\n\t_setEndings( atStart, atEnd, pingPong ) {\n\n\t\tconst settings = this._interpolantSettings;\n\n\t\tif ( pingPong ) {\n\n\t\t\tsettings.endingStart = ZeroSlopeEnding;\n\t\t\tsettings.endingEnd = ZeroSlopeEnding;\n\n\t\t} else {\n\n\t\t\t// assuming for LoopOnce atStart == atEnd == true\n\n\t\t\tif ( atStart ) {\n\n\t\t\t\tsettings.endingStart = this.zeroSlopeAtStart ? ZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t} else {\n\n\t\t\t\tsettings.endingStart = WrapAroundEnding;\n\n\t\t\t}\n\n\t\t\tif ( atEnd ) {\n\n\t\t\t\tsettings.endingEnd = this.zeroSlopeAtEnd ? ZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t} else {\n\n\t\t\t\tsettings.endingEnd \t = WrapAroundEnding;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_scheduleFading( duration, weightNow, weightThen ) {\n\n\t\tconst mixer = this._mixer, now = mixer.time;\n\t\tlet interpolant = this._weightInterpolant;\n\n\t\tif ( interpolant === null ) {\n\n\t\t\tinterpolant = mixer._lendControlInterpolant();\n\t\t\tthis._weightInterpolant = interpolant;\n\n\t\t}\n\n\t\tconst times = interpolant.parameterPositions,\n\t\t\tvalues = interpolant.sampleValues;\n\n\t\ttimes[ 0 ] = now;\n\t\tvalues[ 0 ] = weightNow;\n\t\ttimes[ 1 ] = now + duration;\n\t\tvalues[ 1 ] = weightThen;\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _controlInterpolantsResultBuffer = new Float32Array( 1 );\n\n\nclass AnimationMixer extends EventDispatcher {\n\n\tconstructor( root ) {\n\n\t\tsuper();\n\n\t\tthis._root = root;\n\t\tthis._initMemoryManager();\n\t\tthis._accuIndex = 0;\n\t\tthis.time = 0;\n\t\tthis.timeScale = 1.0;\n\n\t}\n\n\t_bindAction( action, prototypeAction ) {\n\n\t\tconst root = action._localRoot || this._root,\n\t\t\ttracks = action._clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tbindings = action._propertyBindings,\n\t\t\tinterpolants = action._interpolants,\n\t\t\trootUuid = root.uuid,\n\t\t\tbindingsByRoot = this._bindingsByRootAndName;\n\n\t\tlet bindingsByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingsByName === undefined ) {\n\n\t\t\tbindingsByName = {};\n\t\t\tbindingsByRoot[ rootUuid ] = bindingsByName;\n\n\t\t}\n\n\t\tfor ( let i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tconst track = tracks[ i ],\n\t\t\t\ttrackName = track.name;\n\n\t\t\tlet binding = bindingsByName[ trackName ];\n\n\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t++ binding.referenceCount;\n\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t} else {\n\n\t\t\t\tbinding = bindings[ i ];\n\n\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\t// existing binding, make sure the cache knows\n\n\t\t\t\t\tif ( binding._cacheIndex === null ) {\n\n\t\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tconst path = prototypeAction && prototypeAction.\n\t\t\t\t\t_propertyBindings[ i ].binding.parsedPath;\n\n\t\t\t\tbinding = new PropertyMixer(\n\t\t\t\t\tPropertyBinding.create( root, trackName, path ),\n\t\t\t\t\ttrack.ValueTypeName, track.getValueSize() );\n\n\t\t\t\t++ binding.referenceCount;\n\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t}\n\n\t\t\tinterpolants[ i ].resultBuffer = binding.buffer;\n\n\t\t}\n\n\t}\n\n\t_activateAction( action ) {\n\n\t\tif ( ! this._isActiveAction( action ) ) {\n\n\t\t\tif ( action._cacheIndex === null ) {\n\n\t\t\t\t// this action has been forgotten by the cache, but the user\n\t\t\t\t// appears to be still using it -> rebind\n\n\t\t\t\tconst rootUuid = ( action._localRoot || this._root ).uuid,\n\t\t\t\t\tclipUuid = action._clip.uuid,\n\t\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\t\tthis._bindAction( action,\n\t\t\t\t\tactionsForClip && actionsForClip.knownActions[ 0 ] );\n\n\t\t\t\tthis._addInactiveAction( action, clipUuid, rootUuid );\n\n\t\t\t}\n\n\t\t\tconst bindings = action._propertyBindings;\n\n\t\t\t// increment reference counts / sort out state\n\t\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tconst binding = bindings[ i ];\n\n\t\t\t\tif ( binding.useCount ++ === 0 ) {\n\n\t\t\t\t\tthis._lendBinding( binding );\n\t\t\t\t\tbinding.saveOriginalState();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._lendAction( action );\n\n\t\t}\n\n\t}\n\n\t_deactivateAction( action ) {\n\n\t\tif ( this._isActiveAction( action ) ) {\n\n\t\t\tconst bindings = action._propertyBindings;\n\n\t\t\t// decrement reference counts / sort out state\n\t\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tconst binding = bindings[ i ];\n\n\t\t\t\tif ( -- binding.useCount === 0 ) {\n\n\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\tthis._takeBackBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._takeBackAction( action );\n\n\t\t}\n\n\t}\n\n\t// Memory manager\n\n\t_initMemoryManager() {\n\n\t\tthis._actions = []; // 'nActiveActions' followed by inactive ones\n\t\tthis._nActiveActions = 0;\n\n\t\tthis._actionsByClip = {};\n\t\t// inside:\n\t\t// {\n\t\t// \tknownActions: Array< AnimationAction > - used as prototypes\n\t\t// \tactionByRoot: AnimationAction - lookup\n\t\t// }\n\n\n\t\tthis._bindings = []; // 'nActiveBindings' followed by inactive ones\n\t\tthis._nActiveBindings = 0;\n\n\t\tthis._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer >\n\n\n\t\tthis._controlInterpolants = []; // same game as above\n\t\tthis._nActiveControlInterpolants = 0;\n\n\t\tconst scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tactions: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._actions.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveActions;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tbindings: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._bindings.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveBindings;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tcontrolInterpolants: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._controlInterpolants.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveControlInterpolants;\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t// Memory management for AnimationAction objects\n\n\t_isActiveAction( action ) {\n\n\t\tconst index = action._cacheIndex;\n\t\treturn index !== null && index < this._nActiveActions;\n\n\t}\n\n\t_addInactiveAction( action, clipUuid, rootUuid ) {\n\n\t\tconst actions = this._actions,\n\t\t\tactionsByClip = this._actionsByClip;\n\n\t\tlet actionsForClip = actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip === undefined ) {\n\n\t\t\tactionsForClip = {\n\n\t\t\t\tknownActions: [ action ],\n\t\t\t\tactionByRoot: {}\n\n\t\t\t};\n\n\t\t\taction._byClipCacheIndex = 0;\n\n\t\t\tactionsByClip[ clipUuid ] = actionsForClip;\n\n\t\t} else {\n\n\t\t\tconst knownActions = actionsForClip.knownActions;\n\n\t\t\taction._byClipCacheIndex = knownActions.length;\n\t\t\tknownActions.push( action );\n\n\t\t}\n\n\t\taction._cacheIndex = actions.length;\n\t\tactions.push( action );\n\n\t\tactionsForClip.actionByRoot[ rootUuid ] = action;\n\n\t}\n\n\t_removeInactiveAction( action ) {\n\n\t\tconst actions = this._actions,\n\t\t\tlastInactiveAction = actions[ actions.length - 1 ],\n\t\t\tcacheIndex = action._cacheIndex;\n\n\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\tactions.pop();\n\n\t\taction._cacheIndex = null;\n\n\n\t\tconst clipUuid = action._clip.uuid,\n\t\t\tactionsByClip = this._actionsByClip,\n\t\t\tactionsForClip = actionsByClip[ clipUuid ],\n\t\t\tknownActionsForClip = actionsForClip.knownActions,\n\n\t\t\tlastKnownAction =\n\t\t\t\tknownActionsForClip[ knownActionsForClip.length - 1 ],\n\n\t\t\tbyClipCacheIndex = action._byClipCacheIndex;\n\n\t\tlastKnownAction._byClipCacheIndex = byClipCacheIndex;\n\t\tknownActionsForClip[ byClipCacheIndex ] = lastKnownAction;\n\t\tknownActionsForClip.pop();\n\n\t\taction._byClipCacheIndex = null;\n\n\n\t\tconst actionByRoot = actionsForClip.actionByRoot,\n\t\t\trootUuid = ( action._localRoot || this._root ).uuid;\n\n\t\tdelete actionByRoot[ rootUuid ];\n\n\t\tif ( knownActionsForClip.length === 0 ) {\n\n\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t}\n\n\t\tthis._removeInactiveBindingsForAction( action );\n\n\t}\n\n\t_removeInactiveBindingsForAction( action ) {\n\n\t\tconst bindings = action._propertyBindings;\n\n\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tconst binding = bindings[ i ];\n\n\t\t\tif ( -- binding.referenceCount === 0 ) {\n\n\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_lendAction( action ) {\n\n\t\t// [ active actions | inactive actions ]\n\t\t// [ active actions >| inactive actions ]\n\t\t// s a\n\t\t// <-swap->\n\t\t// a s\n\n\t\tconst actions = this._actions,\n\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\tlastActiveIndex = this._nActiveActions ++,\n\n\t\t\tfirstInactiveAction = actions[ lastActiveIndex ];\n\n\t\taction._cacheIndex = lastActiveIndex;\n\t\tactions[ lastActiveIndex ] = action;\n\n\t\tfirstInactiveAction._cacheIndex = prevIndex;\n\t\tactions[ prevIndex ] = firstInactiveAction;\n\n\t}\n\n\t_takeBackAction( action ) {\n\n\t\t// [ active actions | inactive actions ]\n\t\t// [ active actions |< inactive actions ]\n\t\t// a s\n\t\t// <-swap->\n\t\t// s a\n\n\t\tconst actions = this._actions,\n\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveActions,\n\n\t\t\tlastActiveAction = actions[ firstInactiveIndex ];\n\n\t\taction._cacheIndex = firstInactiveIndex;\n\t\tactions[ firstInactiveIndex ] = action;\n\n\t\tlastActiveAction._cacheIndex = prevIndex;\n\t\tactions[ prevIndex ] = lastActiveAction;\n\n\t}\n\n\t// Memory management for PropertyMixer objects\n\n\t_addInactiveBinding( binding, rootUuid, trackName ) {\n\n\t\tconst bindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindings = this._bindings;\n\n\t\tlet bindingByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingByName === undefined ) {\n\n\t\t\tbindingByName = {};\n\t\t\tbindingsByRoot[ rootUuid ] = bindingByName;\n\n\t\t}\n\n\t\tbindingByName[ trackName ] = binding;\n\n\t\tbinding._cacheIndex = bindings.length;\n\t\tbindings.push( binding );\n\n\t}\n\n\t_removeInactiveBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tpropBinding = binding.binding,\n\t\t\trootUuid = propBinding.rootNode.uuid,\n\t\t\ttrackName = propBinding.path,\n\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\tlastInactiveBinding = bindings[ bindings.length - 1 ],\n\t\t\tcacheIndex = binding._cacheIndex;\n\n\t\tlastInactiveBinding._cacheIndex = cacheIndex;\n\t\tbindings[ cacheIndex ] = lastInactiveBinding;\n\t\tbindings.pop();\n\n\t\tdelete bindingByName[ trackName ];\n\n\t\tif ( Object.keys( bindingByName ).length === 0 ) {\n\n\t\t\tdelete bindingsByRoot[ rootUuid ];\n\n\t\t}\n\n\t}\n\n\t_lendBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\tlastActiveIndex = this._nActiveBindings ++,\n\n\t\t\tfirstInactiveBinding = bindings[ lastActiveIndex ];\n\n\t\tbinding._cacheIndex = lastActiveIndex;\n\t\tbindings[ lastActiveIndex ] = binding;\n\n\t\tfirstInactiveBinding._cacheIndex = prevIndex;\n\t\tbindings[ prevIndex ] = firstInactiveBinding;\n\n\t}\n\n\t_takeBackBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveBindings,\n\n\t\t\tlastActiveBinding = bindings[ firstInactiveIndex ];\n\n\t\tbinding._cacheIndex = firstInactiveIndex;\n\t\tbindings[ firstInactiveIndex ] = binding;\n\n\t\tlastActiveBinding._cacheIndex = prevIndex;\n\t\tbindings[ prevIndex ] = lastActiveBinding;\n\n\t}\n\n\n\t// Memory management of Interpolants for weight and time scale\n\n\t_lendControlInterpolant() {\n\n\t\tconst interpolants = this._controlInterpolants,\n\t\t\tlastActiveIndex = this._nActiveControlInterpolants ++;\n\n\t\tlet interpolant = interpolants[ lastActiveIndex ];\n\n\t\tif ( interpolant === undefined ) {\n\n\t\t\tinterpolant = new LinearInterpolant(\n\t\t\t\tnew Float32Array( 2 ), new Float32Array( 2 ),\n\t\t\t\t1, _controlInterpolantsResultBuffer );\n\n\t\t\tinterpolant.__cacheIndex = lastActiveIndex;\n\t\t\tinterpolants[ lastActiveIndex ] = interpolant;\n\n\t\t}\n\n\t\treturn interpolant;\n\n\t}\n\n\t_takeBackControlInterpolant( interpolant ) {\n\n\t\tconst interpolants = this._controlInterpolants,\n\t\t\tprevIndex = interpolant.__cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveControlInterpolants,\n\n\t\t\tlastActiveInterpolant = interpolants[ firstInactiveIndex ];\n\n\t\tinterpolant.__cacheIndex = firstInactiveIndex;\n\t\tinterpolants[ firstInactiveIndex ] = interpolant;\n\n\t\tlastActiveInterpolant.__cacheIndex = prevIndex;\n\t\tinterpolants[ prevIndex ] = lastActiveInterpolant;\n\n\t}\n\n\t// return an action for a clip optionally using a custom root target\n\t// object (this method allocates a lot of dynamic memory in case a\n\t// previously unknown clip/root combination is specified)\n\tclipAction( clip, optionalRoot, blendMode ) {\n\n\t\tconst root = optionalRoot || this._root,\n\t\t\trootUuid = root.uuid;\n\n\t\tlet clipObject = typeof clip === 'string' ? AnimationClip.findByName( root, clip ) : clip;\n\n\t\tconst clipUuid = clipObject !== null ? clipObject.uuid : clip;\n\n\t\tconst actionsForClip = this._actionsByClip[ clipUuid ];\n\t\tlet prototypeAction = null;\n\n\t\tif ( blendMode === undefined ) {\n\n\t\t\tif ( clipObject !== null ) {\n\n\t\t\t\tblendMode = clipObject.blendMode;\n\n\t\t\t} else {\n\n\t\t\t\tblendMode = NormalAnimationBlendMode;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\tconst existingAction = actionsForClip.actionByRoot[ rootUuid ];\n\n\t\t\tif ( existingAction !== undefined && existingAction.blendMode === blendMode ) {\n\n\t\t\t\treturn existingAction;\n\n\t\t\t}\n\n\t\t\t// we know the clip, so we don't have to parse all\n\t\t\t// the bindings again but can just copy\n\t\t\tprototypeAction = actionsForClip.knownActions[ 0 ];\n\n\t\t\t// also, take the clip from the prototype action\n\t\t\tif ( clipObject === null )\n\t\t\t\tclipObject = prototypeAction._clip;\n\n\t\t}\n\n\t\t// clip must be known when specified via string\n\t\tif ( clipObject === null ) return null;\n\n\t\t// allocate all resources required to run it\n\t\tconst newAction = new AnimationAction( this, clipObject, optionalRoot, blendMode );\n\n\t\tthis._bindAction( newAction, prototypeAction );\n\n\t\t// and make the action known to the memory manager\n\t\tthis._addInactiveAction( newAction, clipUuid, rootUuid );\n\n\t\treturn newAction;\n\n\t}\n\n\t// get an existing action\n\texistingAction( clip, optionalRoot ) {\n\n\t\tconst root = optionalRoot || this._root,\n\t\t\trootUuid = root.uuid,\n\n\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\tclipUuid = clipObject ? clipObject.uuid : clip,\n\n\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\treturn actionsForClip.actionByRoot[ rootUuid ] || null;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\t// deactivates all previously scheduled actions\n\tstopAllAction() {\n\n\t\tconst actions = this._actions,\n\t\t\tnActions = this._nActiveActions;\n\n\t\tfor ( let i = nActions - 1; i >= 0; -- i ) {\n\n\t\t\tactions[ i ].stop();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// advance the time and update apply the animation\n\tupdate( deltaTime ) {\n\n\t\tdeltaTime *= this.timeScale;\n\n\t\tconst actions = this._actions,\n\t\t\tnActions = this._nActiveActions,\n\n\t\t\ttime = this.time += deltaTime,\n\t\t\ttimeDirection = Math.sign( deltaTime ),\n\n\t\t\taccuIndex = this._accuIndex ^= 1;\n\n\t\t// run active actions\n\n\t\tfor ( let i = 0; i !== nActions; ++ i ) {\n\n\t\t\tconst action = actions[ i ];\n\n\t\t\taction._update( time, deltaTime, timeDirection, accuIndex );\n\n\t\t}\n\n\t\t// update scene graph\n\n\t\tconst bindings = this._bindings,\n\t\t\tnBindings = this._nActiveBindings;\n\n\t\tfor ( let i = 0; i !== nBindings; ++ i ) {\n\n\t\t\tbindings[ i ].apply( accuIndex );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// Allows you to seek to a specific time in an animation.\n\tsetTime( timeInSeconds ) {\n\n\t\tthis.time = 0; // Zero out time attribute for AnimationMixer object;\n\t\tfor ( let i = 0; i < this._actions.length; i ++ ) {\n\n\t\t\tthis._actions[ i ].time = 0; // Zero out time attribute for all associated AnimationAction objects.\n\n\t\t}\n\n\t\treturn this.update( timeInSeconds ); // Update used to set exact time. Returns \"this\" AnimationMixer object.\n\n\t}\n\n\t// return this mixer's root target object\n\tgetRoot() {\n\n\t\treturn this._root;\n\n\t}\n\n\t// free all resources specific to a particular clip\n\tuncacheClip( clip ) {\n\n\t\tconst actions = this._actions,\n\t\t\tclipUuid = clip.uuid,\n\t\t\tactionsByClip = this._actionsByClip,\n\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t// note: just calling _removeInactiveAction would mess up the\n\t\t\t// iteration state and also require updating the state we can\n\t\t\t// just throw away\n\n\t\t\tconst actionsToRemove = actionsForClip.knownActions;\n\n\t\t\tfor ( let i = 0, n = actionsToRemove.length; i !== n; ++ i ) {\n\n\t\t\t\tconst action = actionsToRemove[ i ];\n\n\t\t\t\tthis._deactivateAction( action );\n\n\t\t\t\tconst cacheIndex = action._cacheIndex,\n\t\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ];\n\n\t\t\t\taction._cacheIndex = null;\n\t\t\t\taction._byClipCacheIndex = null;\n\n\t\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\t\tactions.pop();\n\n\t\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t\t}\n\n\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t}\n\n\t}\n\n\t// free all resources specific to a particular root target object\n\tuncacheRoot( root ) {\n\n\t\tconst rootUuid = root.uuid,\n\t\t\tactionsByClip = this._actionsByClip;\n\n\t\tfor ( const clipUuid in actionsByClip ) {\n\n\t\t\tconst actionByRoot = actionsByClip[ clipUuid ].actionByRoot,\n\t\t\t\taction = actionByRoot[ rootUuid ];\n\n\t\t\tif ( action !== undefined ) {\n\n\t\t\t\tthis._deactivateAction( action );\n\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst bindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindingByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingByName !== undefined ) {\n\n\t\t\tfor ( const trackName in bindingByName ) {\n\n\t\t\t\tconst binding = bindingByName[ trackName ];\n\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// remove a targeted clip from the cache\n\tuncacheAction( clip, optionalRoot ) {\n\n\t\tconst action = this.existingAction( clip, optionalRoot );\n\n\t\tif ( action !== null ) {\n\n\t\t\tthis._deactivateAction( action );\n\t\t\tthis._removeInactiveAction( action );\n\n\t\t}\n\n\t}\n\n}\n\nclass RenderTarget3D extends RenderTarget {\n\n\tconstructor( width = 1, height = 1, depth = 1, options = {} ) {\n\n\t\tsuper( width, height, options );\n\n\t\tthis.isRenderTarget3D = true;\n\n\t\tthis.depth = depth;\n\n\t\tthis.texture = new Data3DTexture( null, width, height, depth );\n\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t}\n\n}\n\nclass RenderTargetArray extends RenderTarget {\n\n\tconstructor( width = 1, height = 1, depth = 1, options = {} ) {\n\n\t\tsuper( width, height, options );\n\n\t\tthis.isRenderTargetArray = true;\n\n\t\tthis.depth = depth;\n\n\t\tthis.texture = new DataArrayTexture( null, width, height, depth );\n\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t}\n\n}\n\nclass Uniform {\n\n\tconstructor( value ) {\n\n\t\tthis.value = value;\n\n\t}\n\n\tclone() {\n\n\t\treturn new Uniform( this.value.clone === undefined ? this.value : this.value.clone() );\n\n\t}\n\n}\n\nlet _id = 0;\n\nclass UniformsGroup extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isUniformsGroup = true;\n\n\t\tObject.defineProperty( this, 'id', { value: _id ++ } );\n\n\t\tthis.name = '';\n\n\t\tthis.usage = StaticDrawUsage;\n\t\tthis.uniforms = [];\n\n\t}\n\n\tadd( uniform ) {\n\n\t\tthis.uniforms.push( uniform );\n\n\t\treturn this;\n\n\t}\n\n\tremove( uniform ) {\n\n\t\tconst index = this.uniforms.indexOf( uniform );\n\n\t\tif ( index !== - 1 ) this.uniforms.splice( index, 1 );\n\n\t\treturn this;\n\n\t}\n\n\tsetName( name ) {\n\n\t\tthis.name = name;\n\n\t\treturn this;\n\n\t}\n\n\tsetUsage( value ) {\n\n\t\tthis.usage = value;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\t\tthis.usage = source.usage;\n\n\t\tconst uniformsSource = source.uniforms;\n\n\t\tthis.uniforms.length = 0;\n\n\t\tfor ( let i = 0, l = uniformsSource.length; i < l; i ++ ) {\n\n\t\t\tconst uniforms = Array.isArray( uniformsSource[ i ] ) ? uniformsSource[ i ] : [ uniformsSource[ i ] ];\n\n\t\t\tfor ( let j = 0; j < uniforms.length; j ++ ) {\n\n\t\t\t\tthis.uniforms.push( uniforms[ j ].clone() );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nclass InstancedInterleavedBuffer extends InterleavedBuffer {\n\n\tconstructor( array, stride, meshPerAttribute = 1 ) {\n\n\t\tsuper( array, stride );\n\n\t\tthis.isInstancedInterleavedBuffer = true;\n\n\t\tthis.meshPerAttribute = meshPerAttribute;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tconst ib = super.clone( data );\n\n\t\tib.meshPerAttribute = this.meshPerAttribute;\n\n\t\treturn ib;\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tconst json = super.toJSON( data );\n\n\t\tjson.isInstancedInterleavedBuffer = true;\n\t\tjson.meshPerAttribute = this.meshPerAttribute;\n\n\t\treturn json;\n\n\t}\n\n}\n\nclass GLBufferAttribute {\n\n\tconstructor( buffer, type, itemSize, elementSize, count ) {\n\n\t\tthis.isGLBufferAttribute = true;\n\n\t\tthis.name = '';\n\n\t\tthis.buffer = buffer;\n\t\tthis.type = type;\n\t\tthis.itemSize = itemSize;\n\t\tthis.elementSize = elementSize;\n\t\tthis.count = count;\n\n\t\tthis.version = 0;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tsetBuffer( buffer ) {\n\n\t\tthis.buffer = buffer;\n\n\t\treturn this;\n\n\t}\n\n\tsetType( type, elementSize ) {\n\n\t\tthis.type = type;\n\t\tthis.elementSize = elementSize;\n\n\t\treturn this;\n\n\t}\n\n\tsetItemSize( itemSize ) {\n\n\t\tthis.itemSize = itemSize;\n\n\t\treturn this;\n\n\t}\n\n\tsetCount( count ) {\n\n\t\tthis.count = count;\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _matrix = /*@__PURE__*/ new Matrix4();\n\nclass Raycaster {\n\n\tconstructor( origin, direction, near = 0, far = Infinity ) {\n\n\t\tthis.ray = new Ray( origin, direction );\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\t\tthis.camera = null;\n\t\tthis.layers = new Layers();\n\n\t\tthis.params = {\n\t\t\tMesh: {},\n\t\t\tLine: { threshold: 1 },\n\t\t\tLOD: {},\n\t\t\tPoints: { threshold: 1 },\n\t\t\tSprite: {}\n\t\t};\n\n\t}\n\n\tset( origin, direction ) {\n\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.ray.set( origin, direction );\n\n\t}\n\n\tsetFromCamera( coords, camera ) {\n\n\t\tif ( camera.isPerspectiveCamera ) {\n\n\t\t\tthis.ray.origin.setFromMatrixPosition( camera.matrixWorld );\n\t\t\tthis.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize();\n\t\t\tthis.camera = camera;\n\n\t\t} else if ( camera.isOrthographicCamera ) {\n\n\t\t\tthis.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera\n\t\t\tthis.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld );\n\t\t\tthis.camera = camera;\n\n\t\t} else {\n\n\t\t\tconsole.error( 'THREE.Raycaster: Unsupported camera type: ' + camera.type );\n\n\t\t}\n\n\t}\n\n\tsetFromXRController( controller ) {\n\n\t\t_matrix.identity().extractRotation( controller.matrixWorld );\n\n\t\tthis.ray.origin.setFromMatrixPosition( controller.matrixWorld );\n\t\tthis.ray.direction.set( 0, 0, - 1 ).applyMatrix4( _matrix );\n\n\t\treturn this;\n\n\t}\n\n\tintersectObject( object, recursive = true, intersects = [] ) {\n\n\t\tintersect( object, this, intersects, recursive );\n\n\t\tintersects.sort( ascSort );\n\n\t\treturn intersects;\n\n\t}\n\n\tintersectObjects( objects, recursive = true, intersects = [] ) {\n\n\t\tfor ( let i = 0, l = objects.length; i < l; i ++ ) {\n\n\t\t\tintersect( objects[ i ], this, intersects, recursive );\n\n\t\t}\n\n\t\tintersects.sort( ascSort );\n\n\t\treturn intersects;\n\n\t}\n\n}\n\nfunction ascSort( a, b ) {\n\n\treturn a.distance - b.distance;\n\n}\n\nfunction intersect( object, raycaster, intersects, recursive ) {\n\n\tlet propagate = true;\n\n\tif ( object.layers.test( raycaster.layers ) ) {\n\n\t\tconst result = object.raycast( raycaster, intersects );\n\n\t\tif ( result === false ) propagate = false;\n\n\t}\n\n\tif ( propagate === true && recursive === true ) {\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tintersect( children[ i ], raycaster, intersects, true );\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system\n *\n * phi (the polar angle) is measured from the positive y-axis. The positive y-axis is up.\n * theta (the azimuthal angle) is measured from the positive z-axis.\n */\nclass Spherical {\n\n\tconstructor( radius = 1, phi = 0, theta = 0 ) {\n\n\t\tthis.radius = radius;\n\t\tthis.phi = phi; // polar angle\n\t\tthis.theta = theta; // azimuthal angle\n\n\t\treturn this;\n\n\t}\n\n\tset( radius, phi, theta ) {\n\n\t\tthis.radius = radius;\n\t\tthis.phi = phi;\n\t\tthis.theta = theta;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( other ) {\n\n\t\tthis.radius = other.radius;\n\t\tthis.phi = other.phi;\n\t\tthis.theta = other.theta;\n\n\t\treturn this;\n\n\t}\n\n\t// restrict phi to be between EPS and PI-EPS\n\tmakeSafe() {\n\n\t\tconst EPS = 0.000001;\n\t\tthis.phi = clamp( this.phi, EPS, Math.PI - EPS );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromVector3( v ) {\n\n\t\treturn this.setFromCartesianCoords( v.x, v.y, v.z );\n\n\t}\n\n\tsetFromCartesianCoords( x, y, z ) {\n\n\t\tthis.radius = Math.sqrt( x * x + y * y + z * z );\n\n\t\tif ( this.radius === 0 ) {\n\n\t\t\tthis.theta = 0;\n\t\t\tthis.phi = 0;\n\n\t\t} else {\n\n\t\t\tthis.theta = Math.atan2( x, z );\n\t\t\tthis.phi = Math.acos( clamp( y / this.radius, - 1, 1 ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\n/**\n * Ref: https://en.wikipedia.org/wiki/Cylindrical_coordinate_system\n */\n\nclass Cylindrical {\n\n\tconstructor( radius = 1, theta = 0, y = 0 ) {\n\n\t\tthis.radius = radius; // distance from the origin to a point in the x-z plane\n\t\tthis.theta = theta; // counterclockwise angle in the x-z plane measured in radians from the positive z-axis\n\t\tthis.y = y; // height above the x-z plane\n\n\t\treturn this;\n\n\t}\n\n\tset( radius, theta, y ) {\n\n\t\tthis.radius = radius;\n\t\tthis.theta = theta;\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( other ) {\n\n\t\tthis.radius = other.radius;\n\t\tthis.theta = other.theta;\n\t\tthis.y = other.y;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromVector3( v ) {\n\n\t\treturn this.setFromCartesianCoords( v.x, v.y, v.z );\n\n\t}\n\n\tsetFromCartesianCoords( x, y, z ) {\n\n\t\tthis.radius = Math.sqrt( x * x + z * z );\n\t\tthis.theta = Math.atan2( x, z );\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nclass Matrix2 {\n\n\tconstructor( n11, n12, n21, n22 ) {\n\n\t\tMatrix2.prototype.isMatrix2 = true;\n\n\t\tthis.elements = [\n\t\t\t1, 0,\n\t\t\t0, 1,\n\t\t];\n\n\t\tif ( n11 !== undefined ) {\n\n\t\t\tthis.set( n11, n12, n21, n22 );\n\n\t\t}\n\n\t}\n\n\tidentity() {\n\n\t\tthis.set(\n\t\t\t1, 0,\n\t\t\t0, 1,\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tfor ( let i = 0; i < 4; i ++ ) {\n\n\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tset( n11, n12, n21, n22 ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] = n11; te[ 2 ] = n12;\n\t\tte[ 1 ] = n21; te[ 3 ] = n22;\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _vector$4 = /*@__PURE__*/ new Vector2();\n\nclass Box2 {\n\n\tconstructor( min = new Vector2( + Infinity, + Infinity ), max = new Vector2( - Infinity, - Infinity ) ) {\n\n\t\tthis.isBox2 = true;\n\n\t\tthis.min = min;\n\t\tthis.max = max;\n\n\t}\n\n\tset( min, max ) {\n\n\t\tthis.min.copy( min );\n\t\tthis.max.copy( max );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCenterAndSize( center, size ) {\n\n\t\tconst halfSize = _vector$4.copy( size ).multiplyScalar( 0.5 );\n\t\tthis.min.copy( center ).sub( halfSize );\n\t\tthis.max.copy( center ).add( halfSize );\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( box ) {\n\n\t\tthis.min.copy( box.min );\n\t\tthis.max.copy( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tmakeEmpty() {\n\n\t\tthis.min.x = this.min.y = + Infinity;\n\t\tthis.max.x = this.max.y = - Infinity;\n\n\t\treturn this;\n\n\t}\n\n\tisEmpty() {\n\n\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y );\n\n\t}\n\n\tgetCenter( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t}\n\n\tgetSize( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0 ) : target.subVectors( this.max, this.min );\n\n\t}\n\n\texpandByPoint( point ) {\n\n\t\tthis.min.min( point );\n\t\tthis.max.max( point );\n\n\t\treturn this;\n\n\t}\n\n\texpandByVector( vector ) {\n\n\t\tthis.min.sub( vector );\n\t\tthis.max.add( vector );\n\n\t\treturn this;\n\n\t}\n\n\texpandByScalar( scalar ) {\n\n\t\tthis.min.addScalar( - scalar );\n\t\tthis.max.addScalar( scalar );\n\n\t\treturn this;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn point.x >= this.min.x && point.x <= this.max.x &&\n\t\t\tpoint.y >= this.min.y && point.y <= this.max.y;\n\n\t}\n\n\tcontainsBox( box ) {\n\n\t\treturn this.min.x <= box.min.x && box.max.x <= this.max.x &&\n\t\t\tthis.min.y <= box.min.y && box.max.y <= this.max.y;\n\n\t}\n\n\tgetParameter( point, target ) {\n\n\t\t// This can potentially have a divide by zero if the box\n\t\t// has a size dimension of 0.\n\n\t\treturn target.set(\n\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y )\n\t\t);\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\t// using 4 splitting planes to rule out intersections\n\n\t\treturn box.max.x >= this.min.x && box.min.x <= this.max.x &&\n\t\t\tbox.max.y >= this.min.y && box.min.y <= this.max.y;\n\n\t}\n\n\tclampPoint( point, target ) {\n\n\t\treturn target.copy( point ).clamp( this.min, this.max );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn this.clampPoint( point, _vector$4 ).distanceTo( point );\n\n\t}\n\n\tintersect( box ) {\n\n\t\tthis.min.max( box.min );\n\t\tthis.max.min( box.max );\n\n\t\tif ( this.isEmpty() ) this.makeEmpty();\n\n\t\treturn this;\n\n\t}\n\n\tunion( box ) {\n\n\t\tthis.min.min( box.min );\n\t\tthis.max.max( box.max );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.min.add( offset );\n\t\tthis.max.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\tequals( box ) {\n\n\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t}\n\n}\n\nconst _startP = /*@__PURE__*/ new Vector3();\nconst _startEnd = /*@__PURE__*/ new Vector3();\n\nclass Line3 {\n\n\tconstructor( start = new Vector3(), end = new Vector3() ) {\n\n\t\tthis.start = start;\n\t\tthis.end = end;\n\n\t}\n\n\tset( start, end ) {\n\n\t\tthis.start.copy( start );\n\t\tthis.end.copy( end );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( line ) {\n\n\t\tthis.start.copy( line.start );\n\t\tthis.end.copy( line.end );\n\n\t\treturn this;\n\n\t}\n\n\tgetCenter( target ) {\n\n\t\treturn target.addVectors( this.start, this.end ).multiplyScalar( 0.5 );\n\n\t}\n\n\tdelta( target ) {\n\n\t\treturn target.subVectors( this.end, this.start );\n\n\t}\n\n\tdistanceSq() {\n\n\t\treturn this.start.distanceToSquared( this.end );\n\n\t}\n\n\tdistance() {\n\n\t\treturn this.start.distanceTo( this.end );\n\n\t}\n\n\tat( t, target ) {\n\n\t\treturn this.delta( target ).multiplyScalar( t ).add( this.start );\n\n\t}\n\n\tclosestPointToPointParameter( point, clampToLine ) {\n\n\t\t_startP.subVectors( point, this.start );\n\t\t_startEnd.subVectors( this.end, this.start );\n\n\t\tconst startEnd2 = _startEnd.dot( _startEnd );\n\t\tconst startEnd_startP = _startEnd.dot( _startP );\n\n\t\tlet t = startEnd_startP / startEnd2;\n\n\t\tif ( clampToLine ) {\n\n\t\t\tt = clamp( t, 0, 1 );\n\n\t\t}\n\n\t\treturn t;\n\n\t}\n\n\tclosestPointToPoint( point, clampToLine, target ) {\n\n\t\tconst t = this.closestPointToPointParameter( point, clampToLine );\n\n\t\treturn this.delta( target ).multiplyScalar( t ).add( this.start );\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tthis.start.applyMatrix4( matrix );\n\t\tthis.end.applyMatrix4( matrix );\n\n\t\treturn this;\n\n\t}\n\n\tequals( line ) {\n\n\t\treturn line.start.equals( this.start ) && line.end.equals( this.end );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _vector$3 = /*@__PURE__*/ new Vector3();\n\nclass SpotLightHelper extends Object3D {\n\n\tconstructor( light, color ) {\n\n\t\tsuper();\n\n\t\tthis.light = light;\n\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.color = color;\n\n\t\tthis.type = 'SpotLightHelper';\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tconst positions = [\n\t\t\t0, 0, 0, \t0, 0, 1,\n\t\t\t0, 0, 0, \t1, 0, 1,\n\t\t\t0, 0, 0,\t- 1, 0, 1,\n\t\t\t0, 0, 0, \t0, 1, 1,\n\t\t\t0, 0, 0, \t0, - 1, 1\n\t\t];\n\n\t\tfor ( let i = 0, j = 1, l = 32; i < l; i ++, j ++ ) {\n\n\t\t\tconst p1 = ( i / l ) * Math.PI * 2;\n\t\t\tconst p2 = ( j / l ) * Math.PI * 2;\n\n\t\t\tpositions.push(\n\t\t\t\tMath.cos( p1 ), Math.sin( p1 ), 1,\n\t\t\t\tMath.cos( p2 ), Math.sin( p2 ), 1\n\t\t\t);\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { fog: false, toneMapped: false } );\n\n\t\tthis.cone = new LineSegments( geometry, material );\n\t\tthis.add( this.cone );\n\n\t\tthis.update();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.cone.geometry.dispose();\n\t\tthis.cone.material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tthis.light.updateWorldMatrix( true, false );\n\t\tthis.light.target.updateWorldMatrix( true, false );\n\n\t\t// update the local matrix based on the parent and light target transforms\n\t\tif ( this.parent ) {\n\n\t\t\tthis.parent.updateWorldMatrix( true );\n\n\t\t\tthis.matrix\n\t\t\t\t.copy( this.parent.matrixWorld )\n\t\t\t\t.invert()\n\t\t\t\t.multiply( this.light.matrixWorld );\n\n\t\t} else {\n\n\t\t\tthis.matrix.copy( this.light.matrixWorld );\n\n\t\t}\n\n\t\tthis.matrixWorld.copy( this.light.matrixWorld );\n\n\t\tconst coneLength = this.light.distance ? this.light.distance : 1000;\n\t\tconst coneWidth = coneLength * Math.tan( this.light.angle );\n\n\t\tthis.cone.scale.set( coneWidth, coneWidth, coneLength );\n\n\t\t_vector$3.setFromMatrixPosition( this.light.target.matrixWorld );\n\n\t\tthis.cone.lookAt( _vector$3 );\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.cone.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.cone.material.color.copy( this.light.color );\n\n\t\t}\n\n\t}\n\n}\n\nconst _vector$2 = /*@__PURE__*/ new Vector3();\nconst _boneMatrix = /*@__PURE__*/ new Matrix4();\nconst _matrixWorldInv = /*@__PURE__*/ new Matrix4();\n\n\nclass SkeletonHelper extends LineSegments {\n\n\tconstructor( object ) {\n\n\t\tconst bones = getBoneList( object );\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\tconst color1 = new Color( 0, 0, 1 );\n\t\tconst color2 = new Color( 0, 1, 0 );\n\n\t\tfor ( let i = 0; i < bones.length; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\n\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\tvertices.push( 0, 0, 0 );\n\t\t\t\tvertices.push( 0, 0, 0 );\n\t\t\t\tcolors.push( color1.r, color1.g, color1.b );\n\t\t\t\tcolors.push( color2.r, color2.g, color2.b );\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, depthTest: false, depthWrite: false, toneMapped: false, transparent: true } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.isSkeletonHelper = true;\n\n\t\tthis.type = 'SkeletonHelper';\n\n\t\tthis.root = object;\n\t\tthis.bones = bones;\n\n\t\tthis.matrix = object.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tconst bones = this.bones;\n\n\t\tconst geometry = this.geometry;\n\t\tconst position = geometry.getAttribute( 'position' );\n\n\t\t_matrixWorldInv.copy( this.root.matrixWorld ).invert();\n\n\t\tfor ( let i = 0, j = 0; i < bones.length; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\n\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\t_boneMatrix.multiplyMatrices( _matrixWorldInv, bone.matrixWorld );\n\t\t\t\t_vector$2.setFromMatrixPosition( _boneMatrix );\n\t\t\t\tposition.setXYZ( j, _vector$2.x, _vector$2.y, _vector$2.z );\n\n\t\t\t\t_boneMatrix.multiplyMatrices( _matrixWorldInv, bone.parent.matrixWorld );\n\t\t\t\t_vector$2.setFromMatrixPosition( _boneMatrix );\n\t\t\t\tposition.setXYZ( j + 1, _vector$2.x, _vector$2.y, _vector$2.z );\n\n\t\t\t\tj += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.getAttribute( 'position' ).needsUpdate = true;\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\n\nfunction getBoneList( object ) {\n\n\tconst boneList = [];\n\n\tif ( object.isBone === true ) {\n\n\t\tboneList.push( object );\n\n\t}\n\n\tfor ( let i = 0; i < object.children.length; i ++ ) {\n\n\t\tboneList.push.apply( boneList, getBoneList( object.children[ i ] ) );\n\n\t}\n\n\treturn boneList;\n\n}\n\nclass PointLightHelper extends Mesh {\n\n\tconstructor( light, sphereSize, color ) {\n\n\t\tconst geometry = new SphereGeometry( sphereSize, 4, 2 );\n\t\tconst material = new MeshBasicMaterial( { wireframe: true, fog: false, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.light = light;\n\n\t\tthis.color = color;\n\n\t\tthis.type = 'PointLightHelper';\n\n\t\tthis.matrix = this.light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\n\t\t/*\n\t// TODO: delete this comment?\n\tconst distanceGeometry = new THREE.IcosahedronGeometry( 1, 2 );\n\tconst distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } );\n\n\tthis.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial );\n\tthis.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial );\n\n\tconst d = light.distance;\n\n\tif ( d === 0.0 ) {\n\n\t\tthis.lightDistance.visible = false;\n\n\t} else {\n\n\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t}\n\n\tthis.add( this.lightDistance );\n\t*/\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tthis.light.updateWorldMatrix( true, false );\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.material.color.copy( this.light.color );\n\n\t\t}\n\n\t\t/*\n\t\tconst d = this.light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.visible = true;\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\t\t*/\n\n\t}\n\n}\n\nconst _vector$1 = /*@__PURE__*/ new Vector3();\nconst _color1 = /*@__PURE__*/ new Color();\nconst _color2 = /*@__PURE__*/ new Color();\n\nclass HemisphereLightHelper extends Object3D {\n\n\tconstructor( light, size, color ) {\n\n\t\tsuper();\n\n\t\tthis.light = light;\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.color = color;\n\n\t\tthis.type = 'HemisphereLightHelper';\n\n\t\tconst geometry = new OctahedronGeometry( size );\n\t\tgeometry.rotateY( Math.PI * 0.5 );\n\n\t\tthis.material = new MeshBasicMaterial( { wireframe: true, fog: false, toneMapped: false } );\n\t\tif ( this.color === undefined ) this.material.vertexColors = true;\n\n\t\tconst position = geometry.getAttribute( 'position' );\n\t\tconst colors = new Float32Array( position.count * 3 );\n\n\t\tgeometry.setAttribute( 'color', new BufferAttribute( colors, 3 ) );\n\n\t\tthis.add( new Mesh( geometry, this.material ) );\n\n\t\tthis.update();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.children[ 0 ].geometry.dispose();\n\t\tthis.children[ 0 ].material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tconst mesh = this.children[ 0 ];\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tconst colors = mesh.geometry.getAttribute( 'color' );\n\n\t\t\t_color1.copy( this.light.color );\n\t\t\t_color2.copy( this.light.groundColor );\n\n\t\t\tfor ( let i = 0, l = colors.count; i < l; i ++ ) {\n\n\t\t\t\tconst color = ( i < ( l / 2 ) ) ? _color1 : _color2;\n\n\t\t\t\tcolors.setXYZ( i, color.r, color.g, color.b );\n\n\t\t\t}\n\n\t\t\tcolors.needsUpdate = true;\n\n\t\t}\n\n\t\tthis.light.updateWorldMatrix( true, false );\n\n\t\tmesh.lookAt( _vector$1.setFromMatrixPosition( this.light.matrixWorld ).negate() );\n\n\t}\n\n}\n\nclass GridHelper extends LineSegments {\n\n\tconstructor( size = 10, divisions = 10, color1 = 0x444444, color2 = 0x888888 ) {\n\n\t\tcolor1 = new Color( color1 );\n\t\tcolor2 = new Color( color2 );\n\n\t\tconst center = divisions / 2;\n\t\tconst step = size / divisions;\n\t\tconst halfSize = size / 2;\n\n\t\tconst vertices = [], colors = [];\n\n\t\tfor ( let i = 0, j = 0, k = - halfSize; i <= divisions; i ++, k += step ) {\n\n\t\t\tvertices.push( - halfSize, 0, k, halfSize, 0, k );\n\t\t\tvertices.push( k, 0, - halfSize, k, 0, halfSize );\n\n\t\t\tconst color = i === center ? color1 : color2;\n\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\n\t\t}\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'GridHelper';\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\nclass PolarGridHelper extends LineSegments {\n\n\tconstructor( radius = 10, sectors = 16, rings = 8, divisions = 64, color1 = 0x444444, color2 = 0x888888 ) {\n\n\t\tcolor1 = new Color( color1 );\n\t\tcolor2 = new Color( color2 );\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\t// create the sectors\n\n\t\tif ( sectors > 1 ) {\n\n\t\t\tfor ( let i = 0; i < sectors; i ++ ) {\n\n\t\t\t\tconst v = ( i / sectors ) * ( Math.PI * 2 );\n\n\t\t\t\tconst x = Math.sin( v ) * radius;\n\t\t\t\tconst z = Math.cos( v ) * radius;\n\n\t\t\t\tvertices.push( 0, 0, 0 );\n\t\t\t\tvertices.push( x, 0, z );\n\n\t\t\t\tconst color = ( i & 1 ) ? color1 : color2;\n\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// create the rings\n\n\t\tfor ( let i = 0; i < rings; i ++ ) {\n\n\t\t\tconst color = ( i & 1 ) ? color1 : color2;\n\n\t\t\tconst r = radius - ( radius / rings * i );\n\n\t\t\tfor ( let j = 0; j < divisions; j ++ ) {\n\n\t\t\t\t// first vertex\n\n\t\t\t\tlet v = ( j / divisions ) * ( Math.PI * 2 );\n\n\t\t\t\tlet x = Math.sin( v ) * r;\n\t\t\t\tlet z = Math.cos( v ) * r;\n\n\t\t\t\tvertices.push( x, 0, z );\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\t\t// second vertex\n\n\t\t\t\tv = ( ( j + 1 ) / divisions ) * ( Math.PI * 2 );\n\n\t\t\t\tx = Math.sin( v ) * r;\n\t\t\t\tz = Math.cos( v ) * r;\n\n\t\t\t\tvertices.push( x, 0, z );\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'PolarGridHelper';\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\nconst _v1 = /*@__PURE__*/ new Vector3();\nconst _v2 = /*@__PURE__*/ new Vector3();\nconst _v3 = /*@__PURE__*/ new Vector3();\n\nclass DirectionalLightHelper extends Object3D {\n\n\tconstructor( light, size, color ) {\n\n\t\tsuper();\n\n\t\tthis.light = light;\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.color = color;\n\n\t\tthis.type = 'DirectionalLightHelper';\n\n\t\tif ( size === undefined ) size = 1;\n\n\t\tlet geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( [\n\t\t\t- size, size, 0,\n\t\t\tsize, size, 0,\n\t\t\tsize, - size, 0,\n\t\t\t- size, - size, 0,\n\t\t\t- size, size, 0\n\t\t], 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { fog: false, toneMapped: false } );\n\n\t\tthis.lightPlane = new Line( geometry, material );\n\t\tthis.add( this.lightPlane );\n\n\t\tgeometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) );\n\n\t\tthis.targetLine = new Line( geometry, material );\n\t\tthis.add( this.targetLine );\n\n\t\tthis.update();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.lightPlane.geometry.dispose();\n\t\tthis.lightPlane.material.dispose();\n\t\tthis.targetLine.geometry.dispose();\n\t\tthis.targetLine.material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tthis.light.updateWorldMatrix( true, false );\n\t\tthis.light.target.updateWorldMatrix( true, false );\n\n\t\t_v1.setFromMatrixPosition( this.light.matrixWorld );\n\t\t_v2.setFromMatrixPosition( this.light.target.matrixWorld );\n\t\t_v3.subVectors( _v2, _v1 );\n\n\t\tthis.lightPlane.lookAt( _v2 );\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.lightPlane.material.color.set( this.color );\n\t\t\tthis.targetLine.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.lightPlane.material.color.copy( this.light.color );\n\t\t\tthis.targetLine.material.color.copy( this.light.color );\n\n\t\t}\n\n\t\tthis.targetLine.lookAt( _v2 );\n\t\tthis.targetLine.scale.z = _v3.length();\n\n\t}\n\n}\n\nconst _vector = /*@__PURE__*/ new Vector3();\nconst _camera = /*@__PURE__*/ new Camera();\n\n/**\n *\t- shows frustum, line of sight and up of the camera\n *\t- suitable for fast updates\n * \t- based on frustum visualization in lightgl.js shadowmap example\n *\t\thttps://github.com/evanw/lightgl.js/blob/master/tests/shadowmap.html\n */\n\nclass CameraHelper extends LineSegments {\n\n\tconstructor( camera ) {\n\n\t\tconst geometry = new BufferGeometry();\n\t\tconst material = new LineBasicMaterial( { color: 0xffffff, vertexColors: true, toneMapped: false } );\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\tconst pointMap = {};\n\n\t\t// near\n\n\t\taddLine( 'n1', 'n2' );\n\t\taddLine( 'n2', 'n4' );\n\t\taddLine( 'n4', 'n3' );\n\t\taddLine( 'n3', 'n1' );\n\n\t\t// far\n\n\t\taddLine( 'f1', 'f2' );\n\t\taddLine( 'f2', 'f4' );\n\t\taddLine( 'f4', 'f3' );\n\t\taddLine( 'f3', 'f1' );\n\n\t\t// sides\n\n\t\taddLine( 'n1', 'f1' );\n\t\taddLine( 'n2', 'f2' );\n\t\taddLine( 'n3', 'f3' );\n\t\taddLine( 'n4', 'f4' );\n\n\t\t// cone\n\n\t\taddLine( 'p', 'n1' );\n\t\taddLine( 'p', 'n2' );\n\t\taddLine( 'p', 'n3' );\n\t\taddLine( 'p', 'n4' );\n\n\t\t// up\n\n\t\taddLine( 'u1', 'u2' );\n\t\taddLine( 'u2', 'u3' );\n\t\taddLine( 'u3', 'u1' );\n\n\t\t// target\n\n\t\taddLine( 'c', 't' );\n\t\taddLine( 'p', 'c' );\n\n\t\t// cross\n\n\t\taddLine( 'cn1', 'cn2' );\n\t\taddLine( 'cn3', 'cn4' );\n\n\t\taddLine( 'cf1', 'cf2' );\n\t\taddLine( 'cf3', 'cf4' );\n\n\t\tfunction addLine( a, b ) {\n\n\t\t\taddPoint( a );\n\t\t\taddPoint( b );\n\n\t\t}\n\n\t\tfunction addPoint( id ) {\n\n\t\t\tvertices.push( 0, 0, 0 );\n\t\t\tcolors.push( 0, 0, 0 );\n\n\t\t\tif ( pointMap[ id ] === undefined ) {\n\n\t\t\t\tpointMap[ id ] = [];\n\n\t\t\t}\n\n\t\t\tpointMap[ id ].push( ( vertices.length / 3 ) - 1 );\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'CameraHelper';\n\n\t\tthis.camera = camera;\n\t\tif ( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix();\n\n\t\tthis.matrix = camera.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.pointMap = pointMap;\n\n\t\tthis.update();\n\n\t\t// colors\n\n\t\tconst colorFrustum = new Color( 0xffaa00 );\n\t\tconst colorCone = new Color( 0xff0000 );\n\t\tconst colorUp = new Color( 0x00aaff );\n\t\tconst colorTarget = new Color( 0xffffff );\n\t\tconst colorCross = new Color( 0x333333 );\n\n\t\tthis.setColors( colorFrustum, colorCone, colorUp, colorTarget, colorCross );\n\n\t}\n\n\tsetColors( frustum, cone, up, target, cross ) {\n\n\t\tconst geometry = this.geometry;\n\n\t\tconst colorAttribute = geometry.getAttribute( 'color' );\n\n\t\t// near\n\n\t\tcolorAttribute.setXYZ( 0, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 1, frustum.r, frustum.g, frustum.b ); // n1, n2\n\t\tcolorAttribute.setXYZ( 2, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 3, frustum.r, frustum.g, frustum.b ); // n2, n4\n\t\tcolorAttribute.setXYZ( 4, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 5, frustum.r, frustum.g, frustum.b ); // n4, n3\n\t\tcolorAttribute.setXYZ( 6, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 7, frustum.r, frustum.g, frustum.b ); // n3, n1\n\n\t\t// far\n\n\t\tcolorAttribute.setXYZ( 8, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 9, frustum.r, frustum.g, frustum.b ); // f1, f2\n\t\tcolorAttribute.setXYZ( 10, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 11, frustum.r, frustum.g, frustum.b ); // f2, f4\n\t\tcolorAttribute.setXYZ( 12, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 13, frustum.r, frustum.g, frustum.b ); // f4, f3\n\t\tcolorAttribute.setXYZ( 14, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 15, frustum.r, frustum.g, frustum.b ); // f3, f1\n\n\t\t// sides\n\n\t\tcolorAttribute.setXYZ( 16, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 17, frustum.r, frustum.g, frustum.b ); // n1, f1\n\t\tcolorAttribute.setXYZ( 18, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 19, frustum.r, frustum.g, frustum.b ); // n2, f2\n\t\tcolorAttribute.setXYZ( 20, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 21, frustum.r, frustum.g, frustum.b ); // n3, f3\n\t\tcolorAttribute.setXYZ( 22, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 23, frustum.r, frustum.g, frustum.b ); // n4, f4\n\n\t\t// cone\n\n\t\tcolorAttribute.setXYZ( 24, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 25, cone.r, cone.g, cone.b ); // p, n1\n\t\tcolorAttribute.setXYZ( 26, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 27, cone.r, cone.g, cone.b ); // p, n2\n\t\tcolorAttribute.setXYZ( 28, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 29, cone.r, cone.g, cone.b ); // p, n3\n\t\tcolorAttribute.setXYZ( 30, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 31, cone.r, cone.g, cone.b ); // p, n4\n\n\t\t// up\n\n\t\tcolorAttribute.setXYZ( 32, up.r, up.g, up.b ); colorAttribute.setXYZ( 33, up.r, up.g, up.b ); // u1, u2\n\t\tcolorAttribute.setXYZ( 34, up.r, up.g, up.b ); colorAttribute.setXYZ( 35, up.r, up.g, up.b ); // u2, u3\n\t\tcolorAttribute.setXYZ( 36, up.r, up.g, up.b ); colorAttribute.setXYZ( 37, up.r, up.g, up.b ); // u3, u1\n\n\t\t// target\n\n\t\tcolorAttribute.setXYZ( 38, target.r, target.g, target.b ); colorAttribute.setXYZ( 39, target.r, target.g, target.b ); // c, t\n\t\tcolorAttribute.setXYZ( 40, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 41, cross.r, cross.g, cross.b ); // p, c\n\n\t\t// cross\n\n\t\tcolorAttribute.setXYZ( 42, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 43, cross.r, cross.g, cross.b ); // cn1, cn2\n\t\tcolorAttribute.setXYZ( 44, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 45, cross.r, cross.g, cross.b ); // cn3, cn4\n\n\t\tcolorAttribute.setXYZ( 46, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 47, cross.r, cross.g, cross.b ); // cf1, cf2\n\t\tcolorAttribute.setXYZ( 48, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 49, cross.r, cross.g, cross.b ); // cf3, cf4\n\n\t\tcolorAttribute.needsUpdate = true;\n\n\t}\n\n\tupdate() {\n\n\t\tconst geometry = this.geometry;\n\t\tconst pointMap = this.pointMap;\n\n\t\tconst w = 1, h = 1;\n\n\t\t// we need just camera projection matrix inverse\n\t\t// world matrix must be identity\n\n\t\t_camera.projectionMatrixInverse.copy( this.camera.projectionMatrixInverse );\n\n\t\t// Adjust z values based on coordinate system\n\t\tconst nearZ = this.camera.coordinateSystem === WebGLCoordinateSystem ? - 1 : 0;\n\n\t\t// center / target\n\t\tsetPoint( 'c', pointMap, geometry, _camera, 0, 0, nearZ );\n\t\tsetPoint( 't', pointMap, geometry, _camera, 0, 0, 1 );\n\n\t\t// near\n\n\t\tsetPoint( 'n1', pointMap, geometry, _camera, - w, - h, nearZ );\n\t\tsetPoint( 'n2', pointMap, geometry, _camera, w, - h, nearZ );\n\t\tsetPoint( 'n3', pointMap, geometry, _camera, - w, h, nearZ );\n\t\tsetPoint( 'n4', pointMap, geometry, _camera, w, h, nearZ );\n\n\t\t// far\n\n\t\tsetPoint( 'f1', pointMap, geometry, _camera, - w, - h, 1 );\n\t\tsetPoint( 'f2', pointMap, geometry, _camera, w, - h, 1 );\n\t\tsetPoint( 'f3', pointMap, geometry, _camera, - w, h, 1 );\n\t\tsetPoint( 'f4', pointMap, geometry, _camera, w, h, 1 );\n\n\t\t// up\n\n\t\tsetPoint( 'u1', pointMap, geometry, _camera, w * 0.7, h * 1.1, nearZ );\n\t\tsetPoint( 'u2', pointMap, geometry, _camera, - w * 0.7, h * 1.1, nearZ );\n\t\tsetPoint( 'u3', pointMap, geometry, _camera, 0, h * 2, nearZ );\n\n\t\t// cross\n\n\t\tsetPoint( 'cf1', pointMap, geometry, _camera, - w, 0, 1 );\n\t\tsetPoint( 'cf2', pointMap, geometry, _camera, w, 0, 1 );\n\t\tsetPoint( 'cf3', pointMap, geometry, _camera, 0, - h, 1 );\n\t\tsetPoint( 'cf4', pointMap, geometry, _camera, 0, h, 1 );\n\n\t\tsetPoint( 'cn1', pointMap, geometry, _camera, - w, 0, nearZ );\n\t\tsetPoint( 'cn2', pointMap, geometry, _camera, w, 0, nearZ );\n\t\tsetPoint( 'cn3', pointMap, geometry, _camera, 0, - h, nearZ );\n\t\tsetPoint( 'cn4', pointMap, geometry, _camera, 0, h, nearZ );\n\n\t\tgeometry.getAttribute( 'position' ).needsUpdate = true;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\n\nfunction setPoint( point, pointMap, geometry, camera, x, y, z ) {\n\n\t_vector.set( x, y, z ).unproject( camera );\n\n\tconst points = pointMap[ point ];\n\n\tif ( points !== undefined ) {\n\n\t\tconst position = geometry.getAttribute( 'position' );\n\n\t\tfor ( let i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\tposition.setXYZ( points[ i ], _vector.x, _vector.y, _vector.z );\n\n\t\t}\n\n\t}\n\n}\n\nconst _box = /*@__PURE__*/ new Box3();\n\nclass BoxHelper extends LineSegments {\n\n\tconstructor( object, color = 0xffff00 ) {\n\n\t\tconst indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\t\tconst positions = new Float32Array( 8 * 3 );\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tgeometry.setAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.object = object;\n\t\tthis.type = 'BoxHelper';\n\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\tupdate( object ) {\n\n\t\tif ( object !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.BoxHelper: .update() has no longer arguments.' );\n\n\t\t}\n\n\t\tif ( this.object !== undefined ) {\n\n\t\t\t_box.setFromObject( this.object );\n\n\t\t}\n\n\t\tif ( _box.isEmpty() ) return;\n\n\t\tconst min = _box.min;\n\t\tconst max = _box.max;\n\n\t\t/*\n\t\t\t5____4\n\t\t1/___0/|\n\t\t| 6__|_7\n\t\t2/___3/\n\n\t\t0: max.x, max.y, max.z\n\t\t1: min.x, max.y, max.z\n\t\t2: min.x, min.y, max.z\n\t\t3: max.x, min.y, max.z\n\t\t4: max.x, max.y, min.z\n\t\t5: min.x, max.y, min.z\n\t\t6: min.x, min.y, min.z\n\t\t7: max.x, min.y, min.z\n\t\t*/\n\n\t\tconst position = this.geometry.attributes.position;\n\t\tconst array = position.array;\n\n\t\tarray[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z;\n\t\tarray[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z;\n\t\tarray[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z;\n\t\tarray[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z;\n\t\tarray[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z;\n\t\tarray[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z;\n\t\tarray[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z;\n\t\tarray[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z;\n\n\t\tposition.needsUpdate = true;\n\n\t\tthis.geometry.computeBoundingSphere();\n\n\t}\n\n\tsetFromObject( object ) {\n\n\t\tthis.object = object;\n\t\tthis.update();\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.object = source.object;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\nclass Box3Helper extends LineSegments {\n\n\tconstructor( box, color = 0xffff00 ) {\n\n\t\tconst indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\n\t\tconst positions = [ 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, - 1, 1, 1, 1, - 1, - 1, 1, - 1, - 1, - 1, - 1, 1, - 1, - 1 ];\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.box = box;\n\n\t\tthis.type = 'Box3Helper';\n\n\t\tthis.geometry.computeBoundingSphere();\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tconst box = this.box;\n\n\t\tif ( box.isEmpty() ) return;\n\n\t\tbox.getCenter( this.position );\n\n\t\tbox.getSize( this.scale );\n\n\t\tthis.scale.multiplyScalar( 0.5 );\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\nclass PlaneHelper extends Line {\n\n\tconstructor( plane, size = 1, hex = 0xffff00 ) {\n\n\t\tconst color = hex;\n\n\t\tconst positions = [ 1, - 1, 0, - 1, 1, 0, - 1, - 1, 0, 1, 1, 0, - 1, 1, 0, - 1, - 1, 0, 1, - 1, 0, 1, 1, 0 ];\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\t\tgeometry.computeBoundingSphere();\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.type = 'PlaneHelper';\n\n\t\tthis.plane = plane;\n\n\t\tthis.size = size;\n\n\t\tconst positions2 = [ 1, 1, 0, - 1, 1, 0, - 1, - 1, 0, 1, 1, 0, - 1, - 1, 0, 1, - 1, 0 ];\n\n\t\tconst geometry2 = new BufferGeometry();\n\t\tgeometry2.setAttribute( 'position', new Float32BufferAttribute( positions2, 3 ) );\n\t\tgeometry2.computeBoundingSphere();\n\n\t\tthis.add( new Mesh( geometry2, new MeshBasicMaterial( { color: color, opacity: 0.2, transparent: true, depthWrite: false, toneMapped: false } ) ) );\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tthis.position.set( 0, 0, 0 );\n\n\t\tthis.scale.set( 0.5 * this.size, 0.5 * this.size, 1 );\n\n\t\tthis.lookAt( this.plane.normal );\n\n\t\tthis.translateZ( - this.plane.constant );\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\t\tthis.children[ 0 ].geometry.dispose();\n\t\tthis.children[ 0 ].material.dispose();\n\n\t}\n\n}\n\nconst _axis = /*@__PURE__*/ new Vector3();\nlet _lineGeometry, _coneGeometry;\n\nclass ArrowHelper extends Object3D {\n\n\t// dir is assumed to be normalized\n\n\tconstructor( dir = new Vector3( 0, 0, 1 ), origin = new Vector3( 0, 0, 0 ), length = 1, color = 0xffff00, headLength = length * 0.2, headWidth = headLength * 0.2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ArrowHelper';\n\n\t\tif ( _lineGeometry === undefined ) {\n\n\t\t\t_lineGeometry = new BufferGeometry();\n\t\t\t_lineGeometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) );\n\n\t\t\t_coneGeometry = new CylinderGeometry( 0, 0.5, 1, 5, 1 );\n\t\t\t_coneGeometry.translate( 0, - 0.5, 0 );\n\n\t\t}\n\n\t\tthis.position.copy( origin );\n\n\t\tthis.line = new Line( _lineGeometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\t\tthis.line.matrixAutoUpdate = false;\n\t\tthis.add( this.line );\n\n\t\tthis.cone = new Mesh( _coneGeometry, new MeshBasicMaterial( { color: color, toneMapped: false } ) );\n\t\tthis.cone.matrixAutoUpdate = false;\n\t\tthis.add( this.cone );\n\n\t\tthis.setDirection( dir );\n\t\tthis.setLength( length, headLength, headWidth );\n\n\t}\n\n\tsetDirection( dir ) {\n\n\t\t// dir is assumed to be normalized\n\n\t\tif ( dir.y > 0.99999 ) {\n\n\t\t\tthis.quaternion.set( 0, 0, 0, 1 );\n\n\t\t} else if ( dir.y < - 0.99999 ) {\n\n\t\t\tthis.quaternion.set( 1, 0, 0, 0 );\n\n\t\t} else {\n\n\t\t\t_axis.set( dir.z, 0, - dir.x ).normalize();\n\n\t\t\tconst radians = Math.acos( dir.y );\n\n\t\t\tthis.quaternion.setFromAxisAngle( _axis, radians );\n\n\t\t}\n\n\t}\n\n\tsetLength( length, headLength = length * 0.2, headWidth = headLength * 0.2 ) {\n\n\t\tthis.line.scale.set( 1, Math.max( 0.0001, length - headLength ), 1 ); // see #17458\n\t\tthis.line.updateMatrix();\n\n\t\tthis.cone.scale.set( headWidth, headLength, headWidth );\n\t\tthis.cone.position.y = length;\n\t\tthis.cone.updateMatrix();\n\n\t}\n\n\tsetColor( color ) {\n\n\t\tthis.line.material.color.set( color );\n\t\tthis.cone.material.color.set( color );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source, false );\n\n\t\tthis.line.copy( source.line );\n\t\tthis.cone.copy( source.cone );\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.line.geometry.dispose();\n\t\tthis.line.material.dispose();\n\t\tthis.cone.geometry.dispose();\n\t\tthis.cone.material.dispose();\n\n\t}\n\n}\n\nclass AxesHelper extends LineSegments {\n\n\tconstructor( size = 1 ) {\n\n\t\tconst vertices = [\n\t\t\t0, 0, 0,\tsize, 0, 0,\n\t\t\t0, 0, 0,\t0, size, 0,\n\t\t\t0, 0, 0,\t0, 0, size\n\t\t];\n\n\t\tconst colors = [\n\t\t\t1, 0, 0,\t1, 0.6, 0,\n\t\t\t0, 1, 0,\t0.6, 1, 0,\n\t\t\t0, 0, 1,\t0, 0.6, 1\n\t\t];\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'AxesHelper';\n\n\t}\n\n\tsetColors( xAxisColor, yAxisColor, zAxisColor ) {\n\n\t\tconst color = new Color();\n\t\tconst array = this.geometry.attributes.color.array;\n\n\t\tcolor.set( xAxisColor );\n\t\tcolor.toArray( array, 0 );\n\t\tcolor.toArray( array, 3 );\n\n\t\tcolor.set( yAxisColor );\n\t\tcolor.toArray( array, 6 );\n\t\tcolor.toArray( array, 9 );\n\n\t\tcolor.set( zAxisColor );\n\t\tcolor.toArray( array, 12 );\n\t\tcolor.toArray( array, 15 );\n\n\t\tthis.geometry.attributes.color.needsUpdate = true;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\nclass ShapePath {\n\n\tconstructor() {\n\n\t\tthis.type = 'ShapePath';\n\n\t\tthis.color = new Color();\n\n\t\tthis.subPaths = [];\n\t\tthis.currentPath = null;\n\n\t}\n\n\tmoveTo( x, y ) {\n\n\t\tthis.currentPath = new Path();\n\t\tthis.subPaths.push( this.currentPath );\n\t\tthis.currentPath.moveTo( x, y );\n\n\t\treturn this;\n\n\t}\n\n\tlineTo( x, y ) {\n\n\t\tthis.currentPath.lineTo( x, y );\n\n\t\treturn this;\n\n\t}\n\n\tquadraticCurveTo( aCPx, aCPy, aX, aY ) {\n\n\t\tthis.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tbezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\tthis.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tsplineThru( pts ) {\n\n\t\tthis.currentPath.splineThru( pts );\n\n\t\treturn this;\n\n\t}\n\n\ttoShapes( isCCW ) {\n\n\t\tfunction toShapesNoHoles( inSubpaths ) {\n\n\t\t\tconst shapes = [];\n\n\t\t\tfor ( let i = 0, l = inSubpaths.length; i < l; i ++ ) {\n\n\t\t\t\tconst tmpPath = inSubpaths[ i ];\n\n\t\t\t\tconst tmpShape = new Shape();\n\t\t\t\ttmpShape.curves = tmpPath.curves;\n\n\t\t\t\tshapes.push( tmpShape );\n\n\t\t\t}\n\n\t\t\treturn shapes;\n\n\t\t}\n\n\t\tfunction isPointInsidePolygon( inPt, inPolygon ) {\n\n\t\t\tconst polyLen = inPolygon.length;\n\n\t\t\t// inPt on polygon contour => immediate success or\n\t\t\t// toggling of inside/outside at every single! intersection point of an edge\n\t\t\t// with the horizontal line through inPt, left of inPt\n\t\t\t// not counting lowerY endpoints of edges and whole edges on that line\n\t\t\tlet inside = false;\n\t\t\tfor ( let p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) {\n\n\t\t\t\tlet edgeLowPt = inPolygon[ p ];\n\t\t\t\tlet edgeHighPt = inPolygon[ q ];\n\n\t\t\t\tlet edgeDx = edgeHighPt.x - edgeLowPt.x;\n\t\t\t\tlet edgeDy = edgeHighPt.y - edgeLowPt.y;\n\n\t\t\t\tif ( Math.abs( edgeDy ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not parallel\n\t\t\t\t\tif ( edgeDy < 0 ) {\n\n\t\t\t\t\t\tedgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx;\n\t\t\t\t\t\tedgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) \t\tcontinue;\n\n\t\t\t\t\tif ( inPt.y === edgeLowPt.y ) {\n\n\t\t\t\t\t\tif ( inPt.x === edgeLowPt.x )\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t// continue;\t\t\t\t// no intersection or edgeLowPt => doesn't count !!!\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y );\n\t\t\t\t\t\tif ( perpEdge === 0 )\t\t\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\tif ( perpEdge < 0 ) \t\t\t\tcontinue;\n\t\t\t\t\t\tinside = ! inside;\t\t// true intersection left of inPt\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// parallel or collinear\n\t\t\t\t\tif ( inPt.y !== edgeLowPt.y ) \t\tcontinue;\t\t\t// parallel\n\t\t\t\t\t// edge lies on the same horizontal line as inPt\n\t\t\t\t\tif ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) ||\n\t\t\t\t\t\t ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) )\t\treturn\ttrue;\t// inPt: Point on contour !\n\t\t\t\t\t// continue;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn\tinside;\n\n\t\t}\n\n\t\tconst isClockWise = ShapeUtils.isClockWise;\n\n\t\tconst subPaths = this.subPaths;\n\t\tif ( subPaths.length === 0 ) return [];\n\n\t\tlet solid, tmpPath, tmpShape;\n\t\tconst shapes = [];\n\n\t\tif ( subPaths.length === 1 ) {\n\n\t\t\ttmpPath = subPaths[ 0 ];\n\t\t\ttmpShape = new Shape();\n\t\t\ttmpShape.curves = tmpPath.curves;\n\t\t\tshapes.push( tmpShape );\n\t\t\treturn shapes;\n\n\t\t}\n\n\t\tlet holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() );\n\t\tholesFirst = isCCW ? ! holesFirst : holesFirst;\n\n\t\t// console.log(\"Holes first\", holesFirst);\n\n\t\tconst betterShapeHoles = [];\n\t\tconst newShapes = [];\n\t\tlet newShapeHoles = [];\n\t\tlet mainIdx = 0;\n\t\tlet tmpPoints;\n\n\t\tnewShapes[ mainIdx ] = undefined;\n\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\tfor ( let i = 0, l = subPaths.length; i < l; i ++ ) {\n\n\t\t\ttmpPath = subPaths[ i ];\n\t\t\ttmpPoints = tmpPath.getPoints();\n\t\t\tsolid = isClockWise( tmpPoints );\n\t\t\tsolid = isCCW ? ! solid : solid;\n\n\t\t\tif ( solid ) {\n\n\t\t\t\tif ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) )\tmainIdx ++;\n\n\t\t\t\tnewShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints };\n\t\t\t\tnewShapes[ mainIdx ].s.curves = tmpPath.curves;\n\n\t\t\t\tif ( holesFirst )\tmainIdx ++;\n\t\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\t\t//console.log('cw', i);\n\n\t\t\t} else {\n\n\t\t\t\tnewShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } );\n\n\t\t\t\t//console.log('ccw', i);\n\n\t\t\t}\n\n\t\t}\n\n\t\t// only Holes? -> probably all Shapes with wrong orientation\n\t\tif ( ! newShapes[ 0 ] )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\tif ( newShapes.length > 1 ) {\n\n\t\t\tlet ambiguous = false;\n\t\t\tlet toChange = 0;\n\n\t\t\tfor ( let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\tbetterShapeHoles[ sIdx ] = [];\n\n\t\t\t}\n\n\t\t\tfor ( let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\tconst sho = newShapeHoles[ sIdx ];\n\n\t\t\t\tfor ( let hIdx = 0; hIdx < sho.length; hIdx ++ ) {\n\n\t\t\t\t\tconst ho = sho[ hIdx ];\n\t\t\t\t\tlet hole_unassigned = true;\n\n\t\t\t\t\tfor ( let s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) {\n\n\t\t\t\t\t\tif ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) {\n\n\t\t\t\t\t\t\tif ( sIdx !== s2Idx )\ttoChange ++;\n\n\t\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\t\thole_unassigned = false;\n\t\t\t\t\t\t\t\tbetterShapeHoles[ s2Idx ].push( ho );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tambiguous = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\tbetterShapeHoles[ sIdx ].push( ho );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( toChange > 0 && ambiguous === false ) {\n\n\t\t\t\tnewShapeHoles = betterShapeHoles;\n\n\t\t\t}\n\n\t\t}\n\n\t\tlet tmpHoles;\n\n\t\tfor ( let i = 0, il = newShapes.length; i < il; i ++ ) {\n\n\t\t\ttmpShape = newShapes[ i ].s;\n\t\t\tshapes.push( tmpShape );\n\t\t\ttmpHoles = newShapeHoles[ i ];\n\n\t\t\tfor ( let j = 0, jl = tmpHoles.length; j < jl; j ++ ) {\n\n\t\t\t\ttmpShape.holes.push( tmpHoles[ j ].h );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//console.log(\"shape\", shapes);\n\n\t\treturn shapes;\n\n\t}\n\n}\n\nclass Controls extends EventDispatcher {\n\n\tconstructor( object, domElement = null ) {\n\n\t\tsuper();\n\n\t\tthis.object = object;\n\t\tthis.domElement = domElement;\n\n\t\tthis.enabled = true;\n\n\t\tthis.state = - 1;\n\n\t\tthis.keys = {};\n\t\tthis.mouseButtons = { LEFT: null, MIDDLE: null, RIGHT: null };\n\t\tthis.touches = { ONE: null, TWO: null };\n\n\t}\n\n\tconnect() {}\n\n\tdisconnect() {}\n\n\tdispose() {}\n\n\tupdate( /* delta */ ) {}\n\n}\n\nfunction contain( texture, aspect ) {\n\n\tconst imageAspect = ( texture.image && texture.image.width ) ? texture.image.width / texture.image.height : 1;\n\n\tif ( imageAspect > aspect ) {\n\n\t\ttexture.repeat.x = 1;\n\t\ttexture.repeat.y = imageAspect / aspect;\n\n\t\ttexture.offset.x = 0;\n\t\ttexture.offset.y = ( 1 - texture.repeat.y ) / 2;\n\n\t} else {\n\n\t\ttexture.repeat.x = aspect / imageAspect;\n\t\ttexture.repeat.y = 1;\n\n\t\ttexture.offset.x = ( 1 - texture.repeat.x ) / 2;\n\t\ttexture.offset.y = 0;\n\n\t}\n\n\treturn texture;\n\n}\n\nfunction cover( texture, aspect ) {\n\n\tconst imageAspect = ( texture.image && texture.image.width ) ? texture.image.width / texture.image.height : 1;\n\n\tif ( imageAspect > aspect ) {\n\n\t\ttexture.repeat.x = aspect / imageAspect;\n\t\ttexture.repeat.y = 1;\n\n\t\ttexture.offset.x = ( 1 - texture.repeat.x ) / 2;\n\t\ttexture.offset.y = 0;\n\n\t} else {\n\n\t\ttexture.repeat.x = 1;\n\t\ttexture.repeat.y = imageAspect / aspect;\n\n\t\ttexture.offset.x = 0;\n\t\ttexture.offset.y = ( 1 - texture.repeat.y ) / 2;\n\n\t}\n\n\treturn texture;\n\n}\n\nfunction fill( texture ) {\n\n\ttexture.repeat.x = 1;\n\ttexture.repeat.y = 1;\n\n\ttexture.offset.x = 0;\n\ttexture.offset.y = 0;\n\n\treturn texture;\n\n}\n\n\n\n/**\n * Given the width, height, format, and type of a texture. Determines how many\n * bytes must be used to represent the texture.\n *\n * @param {Number} width\n * @param {Number} height\n * @param {Number} format\n * @param {Number} type\n * @return {Number} The number of bytes required to represent the texture.\n */\nfunction getByteLength( width, height, format, type ) {\n\n\tconst typeByteLength = getTextureTypeByteLength( type );\n\n\tswitch ( format ) {\n\n\t\t// https://registry.khronos.org/OpenGL-Refpages/es3.0/html/glTexImage2D.xhtml\n\t\tcase AlphaFormat:\n\t\t\treturn width * height;\n\t\tcase LuminanceFormat:\n\t\t\treturn width * height;\n\t\tcase LuminanceAlphaFormat:\n\t\t\treturn width * height * 2;\n\t\tcase RedFormat:\n\t\t\treturn ( ( width * height ) / typeByteLength.components ) * typeByteLength.byteLength;\n\t\tcase RedIntegerFormat:\n\t\t\treturn ( ( width * height ) / typeByteLength.components ) * typeByteLength.byteLength;\n\t\tcase RGFormat:\n\t\t\treturn ( ( width * height * 2 ) / typeByteLength.components ) * typeByteLength.byteLength;\n\t\tcase RGIntegerFormat:\n\t\t\treturn ( ( width * height * 2 ) / typeByteLength.components ) * typeByteLength.byteLength;\n\t\tcase RGBFormat:\n\t\t\treturn ( ( width * height * 3 ) / typeByteLength.components ) * typeByteLength.byteLength;\n\t\tcase RGBAFormat:\n\t\t\treturn ( ( width * height * 4 ) / typeByteLength.components ) * typeByteLength.byteLength;\n\t\tcase RGBAIntegerFormat:\n\t\t\treturn ( ( width * height * 4 ) / typeByteLength.components ) * typeByteLength.byteLength;\n\n\t\t// https://registry.khronos.org/webgl/extensions/WEBGL_compressed_texture_s3tc_srgb/\n\t\tcase RGB_S3TC_DXT1_Format:\n\t\tcase RGBA_S3TC_DXT1_Format:\n\t\t\treturn Math.floor( ( width + 3 ) / 4 ) * Math.floor( ( height + 3 ) / 4 ) * 8;\n\t\tcase RGBA_S3TC_DXT3_Format:\n\t\tcase RGBA_S3TC_DXT5_Format:\n\t\t\treturn Math.floor( ( width + 3 ) / 4 ) * Math.floor( ( height + 3 ) / 4 ) * 16;\n\n\t\t// https://registry.khronos.org/webgl/extensions/WEBGL_compressed_texture_pvrtc/\n\t\tcase RGB_PVRTC_2BPPV1_Format:\n\t\tcase RGBA_PVRTC_2BPPV1_Format:\n\t\t\treturn ( Math.max( width, 16 ) * Math.max( height, 8 ) ) / 4;\n\t\tcase RGB_PVRTC_4BPPV1_Format:\n\t\tcase RGBA_PVRTC_4BPPV1_Format:\n\t\t\treturn ( Math.max( width, 8 ) * Math.max( height, 8 ) ) / 2;\n\n\t\t// https://registry.khronos.org/webgl/extensions/WEBGL_compressed_texture_etc/\n\t\tcase RGB_ETC1_Format:\n\t\tcase RGB_ETC2_Format:\n\t\t\treturn Math.floor( ( width + 3 ) / 4 ) * Math.floor( ( height + 3 ) / 4 ) * 8;\n\t\tcase RGBA_ETC2_EAC_Format:\n\t\t\treturn Math.floor( ( width + 3 ) / 4 ) * Math.floor( ( height + 3 ) / 4 ) * 16;\n\n\t\t// https://registry.khronos.org/webgl/extensions/WEBGL_compressed_texture_astc/\n\t\tcase RGBA_ASTC_4x4_Format:\n\t\t\treturn Math.floor( ( width + 3 ) / 4 ) * Math.floor( ( height + 3 ) / 4 ) * 16;\n\t\tcase RGBA_ASTC_5x4_Format:\n\t\t\treturn Math.floor( ( width + 4 ) / 5 ) * Math.floor( ( height + 3 ) / 4 ) * 16;\n\t\tcase RGBA_ASTC_5x5_Format:\n\t\t\treturn Math.floor( ( width + 4 ) / 5 ) * Math.floor( ( height + 4 ) / 5 ) * 16;\n\t\tcase RGBA_ASTC_6x5_Format:\n\t\t\treturn Math.floor( ( width + 5 ) / 6 ) * Math.floor( ( height + 4 ) / 5 ) * 16;\n\t\tcase RGBA_ASTC_6x6_Format:\n\t\t\treturn Math.floor( ( width + 5 ) / 6 ) * Math.floor( ( height + 5 ) / 6 ) * 16;\n\t\tcase RGBA_ASTC_8x5_Format:\n\t\t\treturn Math.floor( ( width + 7 ) / 8 ) * Math.floor( ( height + 4 ) / 5 ) * 16;\n\t\tcase RGBA_ASTC_8x6_Format:\n\t\t\treturn Math.floor( ( width + 7 ) / 8 ) * Math.floor( ( height + 5 ) / 6 ) * 16;\n\t\tcase RGBA_ASTC_8x8_Format:\n\t\t\treturn Math.floor( ( width + 7 ) / 8 ) * Math.floor( ( height + 7 ) / 8 ) * 16;\n\t\tcase RGBA_ASTC_10x5_Format:\n\t\t\treturn Math.floor( ( width + 9 ) / 10 ) * Math.floor( ( height + 4 ) / 5 ) * 16;\n\t\tcase RGBA_ASTC_10x6_Format:\n\t\t\treturn Math.floor( ( width + 9 ) / 10 ) * Math.floor( ( height + 5 ) / 6 ) * 16;\n\t\tcase RGBA_ASTC_10x8_Format:\n\t\t\treturn Math.floor( ( width + 9 ) / 10 ) * Math.floor( ( height + 7 ) / 8 ) * 16;\n\t\tcase RGBA_ASTC_10x10_Format:\n\t\t\treturn Math.floor( ( width + 9 ) / 10 ) * Math.floor( ( height + 9 ) / 10 ) * 16;\n\t\tcase RGBA_ASTC_12x10_Format:\n\t\t\treturn Math.floor( ( width + 11 ) / 12 ) * Math.floor( ( height + 9 ) / 10 ) * 16;\n\t\tcase RGBA_ASTC_12x12_Format:\n\t\t\treturn Math.floor( ( width + 11 ) / 12 ) * Math.floor( ( height + 11 ) / 12 ) * 16;\n\n\t\t// https://registry.khronos.org/webgl/extensions/EXT_texture_compression_bptc/\n\t\tcase RGBA_BPTC_Format:\n\t\tcase RGB_BPTC_SIGNED_Format:\n\t\tcase RGB_BPTC_UNSIGNED_Format:\n\t\t\treturn Math.ceil( width / 4 ) * Math.ceil( height / 4 ) * 16;\n\n\t\t// https://registry.khronos.org/webgl/extensions/EXT_texture_compression_rgtc/\n\t\tcase RED_RGTC1_Format:\n\t\tcase SIGNED_RED_RGTC1_Format:\n\t\t\treturn Math.ceil( width / 4 ) * Math.ceil( height / 4 ) * 8;\n\t\tcase RED_GREEN_RGTC2_Format:\n\t\tcase SIGNED_RED_GREEN_RGTC2_Format:\n\t\t\treturn Math.ceil( width / 4 ) * Math.ceil( height / 4 ) * 16;\n\n\t}\n\n\tthrow new Error(\n\t\t`Unable to determine texture byte length for ${format} format.`,\n\t);\n\n}\n\nfunction getTextureTypeByteLength( type ) {\n\n\tswitch ( type ) {\n\n\t\tcase UnsignedByteType:\n\t\tcase ByteType:\n\t\t\treturn { byteLength: 1, components: 1 };\n\t\tcase UnsignedShortType:\n\t\tcase ShortType:\n\t\tcase HalfFloatType:\n\t\t\treturn { byteLength: 2, components: 1 };\n\t\tcase UnsignedShort4444Type:\n\t\tcase UnsignedShort5551Type:\n\t\t\treturn { byteLength: 2, components: 4 };\n\t\tcase UnsignedIntType:\n\t\tcase IntType:\n\t\tcase FloatType:\n\t\t\treturn { byteLength: 4, components: 1 };\n\t\tcase UnsignedInt5999Type:\n\t\t\treturn { byteLength: 4, components: 3 };\n\n\t}\n\n\tthrow new Error( `Unknown texture type ${type}.` );\n\n}\n\nconst TextureUtils = {\n\tcontain,\n\tcover,\n\tfill,\n\tgetByteLength\n};\n\nif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'register', { detail: {\n\t\trevision: REVISION,\n\t} } ) );\n\n}\n\nif ( typeof window !== 'undefined' ) {\n\n\tif ( window.__THREE__ ) {\n\n\t\tconsole.warn( 'WARNING: Multiple instances of Three.js being imported.' );\n\n\t} else {\n\n\t\twindow.__THREE__ = REVISION;\n\n\t}\n\n}\n\nexport { ACESFilmicToneMapping, AddEquation, AddOperation, AdditiveAnimationBlendMode, AdditiveBlending, AgXToneMapping, AlphaFormat, AlwaysCompare, AlwaysDepth, AlwaysStencilFunc, AmbientLight, AnimationAction, AnimationClip, AnimationLoader, AnimationMixer, AnimationObjectGroup, AnimationUtils, ArcCurve, ArrayCamera, ArrowHelper, AttachedBindMode, Audio, AudioAnalyser, AudioContext, AudioListener, AudioLoader, AxesHelper, BackSide, BasicDepthPacking, BasicShadowMap, BatchedMesh, Bone, BooleanKeyframeTrack, Box2, Box3, Box3Helper, BoxGeometry, BoxHelper, BufferAttribute, BufferGeometry, BufferGeometryLoader, ByteType, Cache, Camera, CameraHelper, CanvasTexture, CapsuleGeometry, CatmullRomCurve3, CineonToneMapping, CircleGeometry, ClampToEdgeWrapping, Clock, Color, ColorKeyframeTrack, ColorManagement, CompressedArrayTexture, CompressedCubeTexture, CompressedTexture, CompressedTextureLoader, ConeGeometry, ConstantAlphaFactor, ConstantColorFactor, Controls, CubeCamera, CubeReflectionMapping, CubeRefractionMapping, CubeTexture, CubeTextureLoader, CubeUVReflectionMapping, CubicBezierCurve, CubicBezierCurve3, CubicInterpolant, CullFaceBack, CullFaceFront, CullFaceFrontBack, CullFaceNone, Curve, CurvePath, CustomBlending, CustomToneMapping, CylinderGeometry, Cylindrical, Data3DTexture, DataArrayTexture, DataTexture, DataTextureLoader, DataUtils, DecrementStencilOp, DecrementWrapStencilOp, DefaultLoadingManager, DepthFormat, DepthStencilFormat, DepthTexture, DetachedBindMode, DirectionalLight, DirectionalLightHelper, DiscreteInterpolant, DodecahedronGeometry, DoubleSide, DstAlphaFactor, DstColorFactor, DynamicCopyUsage, DynamicDrawUsage, DynamicReadUsage, EdgesGeometry, EllipseCurve, EqualCompare, EqualDepth, EqualStencilFunc, EquirectangularReflectionMapping, EquirectangularRefractionMapping, Euler, EventDispatcher, ExtrudeGeometry, FileLoader, Float16BufferAttribute, Float32BufferAttribute, FloatType, Fog, FogExp2, FramebufferTexture, FrontSide, Frustum, GLBufferAttribute, GLSL1, GLSL3, GreaterCompare, GreaterDepth, GreaterEqualCompare, GreaterEqualDepth, GreaterEqualStencilFunc, GreaterStencilFunc, GridHelper, Group, HalfFloatType, HemisphereLight, HemisphereLightHelper, IcosahedronGeometry, ImageBitmapLoader, ImageLoader, ImageUtils, IncrementStencilOp, IncrementWrapStencilOp, InstancedBufferAttribute, InstancedBufferGeometry, InstancedInterleavedBuffer, InstancedMesh, Int16BufferAttribute, Int32BufferAttribute, Int8BufferAttribute, IntType, InterleavedBuffer, InterleavedBufferAttribute, Interpolant, InterpolateDiscrete, InterpolateLinear, InterpolateSmooth, InvertStencilOp, KeepStencilOp, KeyframeTrack, LOD, LatheGeometry, Layers, LessCompare, LessDepth, LessEqualCompare, LessEqualDepth, LessEqualStencilFunc, LessStencilFunc, Light, LightProbe, Line, Line3, LineBasicMaterial, LineCurve, LineCurve3, LineDashedMaterial, LineLoop, LineSegments, LinearFilter, LinearInterpolant, LinearMipMapLinearFilter, LinearMipMapNearestFilter, LinearMipmapLinearFilter, LinearMipmapNearestFilter, LinearSRGBColorSpace, LinearToneMapping, LinearTransfer, Loader, LoaderUtils, LoadingManager, LoopOnce, LoopPingPong, LoopRepeat, LuminanceAlphaFormat, LuminanceFormat, MOUSE, Material, MaterialLoader, MathUtils, Matrix2, Matrix3, Matrix4, MaxEquation, Mesh, MeshBasicMaterial, MeshDepthMaterial, MeshDistanceMaterial, MeshLambertMaterial, MeshMatcapMaterial, MeshNormalMaterial, MeshPhongMaterial, MeshPhysicalMaterial, MeshStandardMaterial, MeshToonMaterial, MinEquation, MirroredRepeatWrapping, MixOperation, MultiplyBlending, MultiplyOperation, NearestFilter, NearestMipMapLinearFilter, NearestMipMapNearestFilter, NearestMipmapLinearFilter, NearestMipmapNearestFilter, NeutralToneMapping, NeverCompare, NeverDepth, NeverStencilFunc, NoBlending, NoColorSpace, NoToneMapping, NormalAnimationBlendMode, NormalBlending, NotEqualCompare, NotEqualDepth, NotEqualStencilFunc, NumberKeyframeTrack, Object3D, ObjectLoader, ObjectSpaceNormalMap, OctahedronGeometry, OneFactor, OneMinusConstantAlphaFactor, OneMinusConstantColorFactor, OneMinusDstAlphaFactor, OneMinusDstColorFactor, OneMinusSrcAlphaFactor, OneMinusSrcColorFactor, OrthographicCamera, PCFShadowMap, PCFSoftShadowMap, Path, PerspectiveCamera, Plane, PlaneGeometry, PlaneHelper, PointLight, PointLightHelper, Points, PointsMaterial, PolarGridHelper, PolyhedronGeometry, PositionalAudio, PropertyBinding, PropertyMixer, QuadraticBezierCurve, QuadraticBezierCurve3, Quaternion, QuaternionKeyframeTrack, QuaternionLinearInterpolant, RAD2DEG, RED_GREEN_RGTC2_Format, RED_RGTC1_Format, REVISION, RGBADepthPacking, RGBAFormat, RGBAIntegerFormat, RGBA_ASTC_10x10_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_BPTC_Format, RGBA_ETC2_EAC_Format, RGBA_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGBDepthPacking, RGBFormat, RGBIntegerFormat, RGB_BPTC_SIGNED_Format, RGB_BPTC_UNSIGNED_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGB_PVRTC_2BPPV1_Format, RGB_PVRTC_4BPPV1_Format, RGB_S3TC_DXT1_Format, RGDepthPacking, RGFormat, RGIntegerFormat, RawShaderMaterial, Ray, Raycaster, RectAreaLight, RedFormat, RedIntegerFormat, ReinhardToneMapping, RenderTarget, RenderTarget3D, RenderTargetArray, RepeatWrapping, ReplaceStencilOp, ReverseSubtractEquation, RingGeometry, SIGNED_RED_GREEN_RGTC2_Format, SIGNED_RED_RGTC1_Format, SRGBColorSpace, SRGBTransfer, Scene, ShaderMaterial, ShadowMaterial, Shape, ShapeGeometry, ShapePath, ShapeUtils, ShortType, Skeleton, SkeletonHelper, SkinnedMesh, Source, Sphere, SphereGeometry, Spherical, SphericalHarmonics3, SplineCurve, SpotLight, SpotLightHelper, Sprite, SpriteMaterial, SrcAlphaFactor, SrcAlphaSaturateFactor, SrcColorFactor, StaticCopyUsage, StaticDrawUsage, StaticReadUsage, StereoCamera, StreamCopyUsage, StreamDrawUsage, StreamReadUsage, StringKeyframeTrack, SubtractEquation, SubtractiveBlending, TOUCH, TangentSpaceNormalMap, TetrahedronGeometry, Texture, TextureLoader, TextureUtils, TimestampQuery, TorusGeometry, TorusKnotGeometry, Triangle, TriangleFanDrawMode, TriangleStripDrawMode, TrianglesDrawMode, TubeGeometry, UVMapping, Uint16BufferAttribute, Uint32BufferAttribute, Uint8BufferAttribute, Uint8ClampedBufferAttribute, Uniform, UniformsGroup, UniformsUtils, UnsignedByteType, UnsignedInt248Type, UnsignedInt5999Type, UnsignedIntType, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedShortType, VSMShadowMap, Vector2, Vector3, Vector4, VectorKeyframeTrack, VideoFrameTexture, VideoTexture, WebGL3DRenderTarget, WebGLArrayRenderTarget, WebGLCoordinateSystem, WebGLCubeRenderTarget, WebGLRenderTarget, WebGPUCoordinateSystem, WebXRController, WireframeGeometry, WrapAroundEnding, ZeroCurvatureEnding, ZeroFactor, ZeroSlopeEnding, ZeroStencilOp, arrayNeedsUint32, cloneUniforms, createCanvasElement, createElementNS, getByteLength, getUnlitUniformColorSpace, mergeUniforms, probeAsync, toNormalizedProjectionMatrix, toReversedProjectionMatrix, warnOnce };\n", "import {\n\tControls,\n\tMOUSE,\n\tQuaternion,\n\tSpherical,\n\tTOUCH,\n\tVector2,\n\tVector3,\n\tPlane,\n\tRay,\n\tMathUtils\n} from 'three';\n\n// OrbitControls performs orbiting, dollying (zooming), and panning.\n// Unlike TrackballControls, it maintains the \"up\" direction object.up (+Y by default).\n//\n// Orbit - left mouse / touch: one-finger move\n// Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish\n// Pan - right mouse, or left mouse + ctrl/meta/shiftKey, or arrow keys / touch: two-finger move\n\nconst _changeEvent = { type: 'change' };\nconst _startEvent = { type: 'start' };\nconst _endEvent = { type: 'end' };\nconst _ray = new Ray();\nconst _plane = new Plane();\nconst _TILT_LIMIT = Math.cos( 70 * MathUtils.DEG2RAD );\n\nconst _v = new Vector3();\nconst _twoPI = 2 * Math.PI;\n\nconst _STATE = {\n\tNONE: - 1,\n\tROTATE: 0,\n\tDOLLY: 1,\n\tPAN: 2,\n\tTOUCH_ROTATE: 3,\n\tTOUCH_PAN: 4,\n\tTOUCH_DOLLY_PAN: 5,\n\tTOUCH_DOLLY_ROTATE: 6\n};\nconst _EPS = 0.000001;\n\nclass OrbitControls extends Controls {\n\n\tconstructor( object, domElement = null ) {\n\n\t\tsuper( object, domElement );\n\n\t\tthis.state = _STATE.NONE;\n\n\t\t// Set to false to disable this control\n\t\tthis.enabled = true;\n\n\t\t// \"target\" sets the location of focus, where the object orbits around\n\t\tthis.target = new Vector3();\n\n\t\t// Sets the 3D cursor (similar to Blender), from which the maxTargetRadius takes effect\n\t\tthis.cursor = new Vector3();\n\n\t\t// How far you can dolly in and out ( PerspectiveCamera only )\n\t\tthis.minDistance = 0;\n\t\tthis.maxDistance = Infinity;\n\n\t\t// How far you can zoom in and out ( OrthographicCamera only )\n\t\tthis.minZoom = 0;\n\t\tthis.maxZoom = Infinity;\n\n\t\t// Limit camera target within a spherical area around the cursor\n\t\tthis.minTargetRadius = 0;\n\t\tthis.maxTargetRadius = Infinity;\n\n\t\t// How far you can orbit vertically, upper and lower limits.\n\t\t// Range is 0 to Math.PI radians.\n\t\tthis.minPolarAngle = 0; // radians\n\t\tthis.maxPolarAngle = Math.PI; // radians\n\n\t\t// How far you can orbit horizontally, upper and lower limits.\n\t\t// If set, the interval [ min, max ] must be a sub-interval of [ - 2 PI, 2 PI ], with ( max - min < 2 PI )\n\t\tthis.minAzimuthAngle = - Infinity; // radians\n\t\tthis.maxAzimuthAngle = Infinity; // radians\n\n\t\t// Set to true to enable damping (inertia)\n\t\t// If damping is enabled, you must call controls.update() in your animation loop\n\t\tthis.enableDamping = false;\n\t\tthis.dampingFactor = 0.05;\n\n\t\t// This option actually enables dollying in and out; left as \"zoom\" for backwards compatibility.\n\t\t// Set to false to disable zooming\n\t\tthis.enableZoom = true;\n\t\tthis.zoomSpeed = 1.0;\n\n\t\t// Set to false to disable rotating\n\t\tthis.enableRotate = true;\n\t\tthis.rotateSpeed = 1.0;\n\t\tthis.keyRotateSpeed = 1.0;\n\n\t\t// Set to false to disable panning\n\t\tthis.enablePan = true;\n\t\tthis.panSpeed = 1.0;\n\t\tthis.screenSpacePanning = true; // if false, pan orthogonal to world-space direction camera.up\n\t\tthis.keyPanSpeed = 7.0;\t// pixels moved per arrow key push\n\t\tthis.zoomToCursor = false;\n\n\t\t// Set to true to automatically rotate around the target\n\t\t// If auto-rotate is enabled, you must call controls.update() in your animation loop\n\t\tthis.autoRotate = false;\n\t\tthis.autoRotateSpeed = 2.0; // 30 seconds per orbit when fps is 60\n\n\t\t// The four arrow keys\n\t\tthis.keys = { LEFT: 'ArrowLeft', UP: 'ArrowUp', RIGHT: 'ArrowRight', BOTTOM: 'ArrowDown' };\n\n\t\t// Mouse buttons\n\t\tthis.mouseButtons = { LEFT: MOUSE.ROTATE, MIDDLE: MOUSE.DOLLY, RIGHT: MOUSE.PAN };\n\n\t\t// Touch fingers\n\t\tthis.touches = { ONE: TOUCH.ROTATE, TWO: TOUCH.DOLLY_PAN };\n\n\t\t// for reset\n\t\tthis.target0 = this.target.clone();\n\t\tthis.position0 = this.object.position.clone();\n\t\tthis.zoom0 = this.object.zoom;\n\n\t\t// the target DOM element for key events\n\t\tthis._domElementKeyEvents = null;\n\n\t\t// internals\n\n\t\tthis._lastPosition = new Vector3();\n\t\tthis._lastQuaternion = new Quaternion();\n\t\tthis._lastTargetPosition = new Vector3();\n\n\t\t// so camera.up is the orbit axis\n\t\tthis._quat = new Quaternion().setFromUnitVectors( object.up, new Vector3( 0, 1, 0 ) );\n\t\tthis._quatInverse = this._quat.clone().invert();\n\n\t\t// current position in spherical coordinates\n\t\tthis._spherical = new Spherical();\n\t\tthis._sphericalDelta = new Spherical();\n\n\t\tthis._scale = 1;\n\t\tthis._panOffset = new Vector3();\n\n\t\tthis._rotateStart = new Vector2();\n\t\tthis._rotateEnd = new Vector2();\n\t\tthis._rotateDelta = new Vector2();\n\n\t\tthis._panStart = new Vector2();\n\t\tthis._panEnd = new Vector2();\n\t\tthis._panDelta = new Vector2();\n\n\t\tthis._dollyStart = new Vector2();\n\t\tthis._dollyEnd = new Vector2();\n\t\tthis._dollyDelta = new Vector2();\n\n\t\tthis._dollyDirection = new Vector3();\n\t\tthis._mouse = new Vector2();\n\t\tthis._performCursorZoom = false;\n\n\t\tthis._pointers = [];\n\t\tthis._pointerPositions = {};\n\n\t\tthis._controlActive = false;\n\n\t\t// event listeners\n\n\t\tthis._onPointerMove = onPointerMove.bind( this );\n\t\tthis._onPointerDown = onPointerDown.bind( this );\n\t\tthis._onPointerUp = onPointerUp.bind( this );\n\t\tthis._onContextMenu = onContextMenu.bind( this );\n\t\tthis._onMouseWheel = onMouseWheel.bind( this );\n\t\tthis._onKeyDown = onKeyDown.bind( this );\n\n\t\tthis._onTouchStart = onTouchStart.bind( this );\n\t\tthis._onTouchMove = onTouchMove.bind( this );\n\n\t\tthis._onMouseDown = onMouseDown.bind( this );\n\t\tthis._onMouseMove = onMouseMove.bind( this );\n\n\t\tthis._interceptControlDown = interceptControlDown.bind( this );\n\t\tthis._interceptControlUp = interceptControlUp.bind( this );\n\n\t\t//\n\n\t\tif ( this.domElement !== null ) {\n\n\t\t\tthis.connect();\n\n\t\t}\n\n\t\tthis.update();\n\n\t}\n\n\tconnect() {\n\n\t\tthis.domElement.addEventListener( 'pointerdown', this._onPointerDown );\n\t\tthis.domElement.addEventListener( 'pointercancel', this._onPointerUp );\n\n\t\tthis.domElement.addEventListener( 'contextmenu', this._onContextMenu );\n\t\tthis.domElement.addEventListener( 'wheel', this._onMouseWheel, { passive: false } );\n\n\t\tconst document = this.domElement.getRootNode(); // offscreen canvas compatibility\n\t\tdocument.addEventListener( 'keydown', this._interceptControlDown, { passive: true, capture: true } );\n\n\t\tthis.domElement.style.touchAction = 'none'; // disable touch scroll\n\n\t}\n\n\tdisconnect() {\n\n\t\tthis.domElement.removeEventListener( 'pointerdown', this._onPointerDown );\n\t\tthis.domElement.removeEventListener( 'pointermove', this._onPointerMove );\n\t\tthis.domElement.removeEventListener( 'pointerup', this._onPointerUp );\n\t\tthis.domElement.removeEventListener( 'pointercancel', this._onPointerUp );\n\n\t\tthis.domElement.removeEventListener( 'wheel', this._onMouseWheel );\n\t\tthis.domElement.removeEventListener( 'contextmenu', this._onContextMenu );\n\n\t\tthis.stopListenToKeyEvents();\n\n\t\tconst document = this.domElement.getRootNode(); // offscreen canvas compatibility\n\t\tdocument.removeEventListener( 'keydown', this._interceptControlDown, { capture: true } );\n\n\t\tthis.domElement.style.touchAction = 'auto';\n\n\t}\n\n\tdispose() {\n\n\t\tthis.disconnect();\n\n\t}\n\n\tgetPolarAngle() {\n\n\t\treturn this._spherical.phi;\n\n\t}\n\n\tgetAzimuthalAngle() {\n\n\t\treturn this._spherical.theta;\n\n\t}\n\n\tgetDistance() {\n\n\t\treturn this.object.position.distanceTo( this.target );\n\n\t}\n\n\tlistenToKeyEvents( domElement ) {\n\n\t\tdomElement.addEventListener( 'keydown', this._onKeyDown );\n\t\tthis._domElementKeyEvents = domElement;\n\n\t}\n\n\tstopListenToKeyEvents() {\n\n\t\tif ( this._domElementKeyEvents !== null ) {\n\n\t\t\tthis._domElementKeyEvents.removeEventListener( 'keydown', this._onKeyDown );\n\t\t\tthis._domElementKeyEvents = null;\n\n\t\t}\n\n\t}\n\n\tsaveState() {\n\n\t\tthis.target0.copy( this.target );\n\t\tthis.position0.copy( this.object.position );\n\t\tthis.zoom0 = this.object.zoom;\n\n\t}\n\n\treset() {\n\n\t\tthis.target.copy( this.target0 );\n\t\tthis.object.position.copy( this.position0 );\n\t\tthis.object.zoom = this.zoom0;\n\n\t\tthis.object.updateProjectionMatrix();\n\t\tthis.dispatchEvent( _changeEvent );\n\n\t\tthis.update();\n\n\t\tthis.state = _STATE.NONE;\n\n\t}\n\n\tupdate( deltaTime = null ) {\n\n\t\tconst position = this.object.position;\n\n\t\t_v.copy( position ).sub( this.target );\n\n\t\t// rotate offset to \"y-axis-is-up\" space\n\t\t_v.applyQuaternion( this._quat );\n\n\t\t// angle from z-axis around y-axis\n\t\tthis._spherical.setFromVector3( _v );\n\n\t\tif ( this.autoRotate && this.state === _STATE.NONE ) {\n\n\t\t\tthis._rotateLeft( this._getAutoRotationAngle( deltaTime ) );\n\n\t\t}\n\n\t\tif ( this.enableDamping ) {\n\n\t\t\tthis._spherical.theta += this._sphericalDelta.theta * this.dampingFactor;\n\t\t\tthis._spherical.phi += this._sphericalDelta.phi * this.dampingFactor;\n\n\t\t} else {\n\n\t\t\tthis._spherical.theta += this._sphericalDelta.theta;\n\t\t\tthis._spherical.phi += this._sphericalDelta.phi;\n\n\t\t}\n\n\t\t// restrict theta to be between desired limits\n\n\t\tlet min = this.minAzimuthAngle;\n\t\tlet max = this.maxAzimuthAngle;\n\n\t\tif ( isFinite( min ) && isFinite( max ) ) {\n\n\t\t\tif ( min < - Math.PI ) min += _twoPI; else if ( min > Math.PI ) min -= _twoPI;\n\n\t\t\tif ( max < - Math.PI ) max += _twoPI; else if ( max > Math.PI ) max -= _twoPI;\n\n\t\t\tif ( min <= max ) {\n\n\t\t\t\tthis._spherical.theta = Math.max( min, Math.min( max, this._spherical.theta ) );\n\n\t\t\t} else {\n\n\t\t\t\tthis._spherical.theta = ( this._spherical.theta > ( min + max ) / 2 ) ?\n\t\t\t\t\tMath.max( min, this._spherical.theta ) :\n\t\t\t\t\tMath.min( max, this._spherical.theta );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// restrict phi to be between desired limits\n\t\tthis._spherical.phi = Math.max( this.minPolarAngle, Math.min( this.maxPolarAngle, this._spherical.phi ) );\n\n\t\tthis._spherical.makeSafe();\n\n\n\t\t// move target to panned location\n\n\t\tif ( this.enableDamping === true ) {\n\n\t\t\tthis.target.addScaledVector( this._panOffset, this.dampingFactor );\n\n\t\t} else {\n\n\t\t\tthis.target.add( this._panOffset );\n\n\t\t}\n\n\t\t// Limit the target distance from the cursor to create a sphere around the center of interest\n\t\tthis.target.sub( this.cursor );\n\t\tthis.target.clampLength( this.minTargetRadius, this.maxTargetRadius );\n\t\tthis.target.add( this.cursor );\n\n\t\tlet zoomChanged = false;\n\t\t// adjust the camera position based on zoom only if we're not zooming to the cursor or if it's an ortho camera\n\t\t// we adjust zoom later in these cases\n\t\tif ( this.zoomToCursor && this._performCursorZoom || this.object.isOrthographicCamera ) {\n\n\t\t\tthis._spherical.radius = this._clampDistance( this._spherical.radius );\n\n\t\t} else {\n\n\t\t\tconst prevRadius = this._spherical.radius;\n\t\t\tthis._spherical.radius = this._clampDistance( this._spherical.radius * this._scale );\n\t\t\tzoomChanged = prevRadius != this._spherical.radius;\n\n\t\t}\n\n\t\t_v.setFromSpherical( this._spherical );\n\n\t\t// rotate offset back to \"camera-up-vector-is-up\" space\n\t\t_v.applyQuaternion( this._quatInverse );\n\n\t\tposition.copy( this.target ).add( _v );\n\n\t\tthis.object.lookAt( this.target );\n\n\t\tif ( this.enableDamping === true ) {\n\n\t\t\tthis._sphericalDelta.theta *= ( 1 - this.dampingFactor );\n\t\t\tthis._sphericalDelta.phi *= ( 1 - this.dampingFactor );\n\n\t\t\tthis._panOffset.multiplyScalar( 1 - this.dampingFactor );\n\n\t\t} else {\n\n\t\t\tthis._sphericalDelta.set( 0, 0, 0 );\n\n\t\t\tthis._panOffset.set( 0, 0, 0 );\n\n\t\t}\n\n\t\t// adjust camera position\n\t\tif ( this.zoomToCursor && this._performCursorZoom ) {\n\n\t\t\tlet newRadius = null;\n\t\t\tif ( this.object.isPerspectiveCamera ) {\n\n\t\t\t\t// move the camera down the pointer ray\n\t\t\t\t// this method avoids floating point error\n\t\t\t\tconst prevRadius = _v.length();\n\t\t\t\tnewRadius = this._clampDistance( prevRadius * this._scale );\n\n\t\t\t\tconst radiusDelta = prevRadius - newRadius;\n\t\t\t\tthis.object.position.addScaledVector( this._dollyDirection, radiusDelta );\n\t\t\t\tthis.object.updateMatrixWorld();\n\n\t\t\t\tzoomChanged = !! radiusDelta;\n\n\t\t\t} else if ( this.object.isOrthographicCamera ) {\n\n\t\t\t\t// adjust the ortho camera position based on zoom changes\n\t\t\t\tconst mouseBefore = new Vector3( this._mouse.x, this._mouse.y, 0 );\n\t\t\t\tmouseBefore.unproject( this.object );\n\n\t\t\t\tconst prevZoom = this.object.zoom;\n\t\t\t\tthis.object.zoom = Math.max( this.minZoom, Math.min( this.maxZoom, this.object.zoom / this._scale ) );\n\t\t\t\tthis.object.updateProjectionMatrix();\n\n\t\t\t\tzoomChanged = prevZoom !== this.object.zoom;\n\n\t\t\t\tconst mouseAfter = new Vector3( this._mouse.x, this._mouse.y, 0 );\n\t\t\t\tmouseAfter.unproject( this.object );\n\n\t\t\t\tthis.object.position.sub( mouseAfter ).add( mouseBefore );\n\t\t\t\tthis.object.updateMatrixWorld();\n\n\t\t\t\tnewRadius = _v.length();\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - zoom to cursor disabled.' );\n\t\t\t\tthis.zoomToCursor = false;\n\n\t\t\t}\n\n\t\t\t// handle the placement of the target\n\t\t\tif ( newRadius !== null ) {\n\n\t\t\t\tif ( this.screenSpacePanning ) {\n\n\t\t\t\t\t// position the orbit target in front of the new camera position\n\t\t\t\t\tthis.target.set( 0, 0, - 1 )\n\t\t\t\t\t\t.transformDirection( this.object.matrix )\n\t\t\t\t\t\t.multiplyScalar( newRadius )\n\t\t\t\t\t\t.add( this.object.position );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// get the ray and translation plane to compute target\n\t\t\t\t\t_ray.origin.copy( this.object.position );\n\t\t\t\t\t_ray.direction.set( 0, 0, - 1 ).transformDirection( this.object.matrix );\n\n\t\t\t\t\t// if the camera is 20 degrees above the horizon then don't adjust the focus target to avoid\n\t\t\t\t\t// extremely large values\n\t\t\t\t\tif ( Math.abs( this.object.up.dot( _ray.direction ) ) < _TILT_LIMIT ) {\n\n\t\t\t\t\t\tthis.object.lookAt( this.target );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_plane.setFromNormalAndCoplanarPoint( this.object.up, this.target );\n\t\t\t\t\t\t_ray.intersectPlane( _plane, this.target );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else if ( this.object.isOrthographicCamera ) {\n\n\t\t\tconst prevZoom = this.object.zoom;\n\t\t\tthis.object.zoom = Math.max( this.minZoom, Math.min( this.maxZoom, this.object.zoom / this._scale ) );\n\n\t\t\tif ( prevZoom !== this.object.zoom ) {\n\n\t\t\t\tthis.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis._scale = 1;\n\t\tthis._performCursorZoom = false;\n\n\t\t// update condition is:\n\t\t// min(camera displacement, camera rotation in radians)^2 > EPS\n\t\t// using small-angle approximation cos(x/2) = 1 - x^2 / 8\n\n\t\tif ( zoomChanged ||\n\t\t\tthis._lastPosition.distanceToSquared( this.object.position ) > _EPS ||\n\t\t\t8 * ( 1 - this._lastQuaternion.dot( this.object.quaternion ) ) > _EPS ||\n\t\t\tthis._lastTargetPosition.distanceToSquared( this.target ) > _EPS ) {\n\n\t\t\tthis.dispatchEvent( _changeEvent );\n\n\t\t\tthis._lastPosition.copy( this.object.position );\n\t\t\tthis._lastQuaternion.copy( this.object.quaternion );\n\t\t\tthis._lastTargetPosition.copy( this.target );\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\t_getAutoRotationAngle( deltaTime ) {\n\n\t\tif ( deltaTime !== null ) {\n\n\t\t\treturn ( _twoPI / 60 * this.autoRotateSpeed ) * deltaTime;\n\n\t\t} else {\n\n\t\t\treturn _twoPI / 60 / 60 * this.autoRotateSpeed;\n\n\t\t}\n\n\t}\n\n\t_getZoomScale( delta ) {\n\n\t\tconst normalizedDelta = Math.abs( delta * 0.01 );\n\t\treturn Math.pow( 0.95, this.zoomSpeed * normalizedDelta );\n\n\t}\n\n\t_rotateLeft( angle ) {\n\n\t\tthis._sphericalDelta.theta -= angle;\n\n\t}\n\n\t_rotateUp( angle ) {\n\n\t\tthis._sphericalDelta.phi -= angle;\n\n\t}\n\n\t_panLeft( distance, objectMatrix ) {\n\n\t\t_v.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix\n\t\t_v.multiplyScalar( - distance );\n\n\t\tthis._panOffset.add( _v );\n\n\t}\n\n\t_panUp( distance, objectMatrix ) {\n\n\t\tif ( this.screenSpacePanning === true ) {\n\n\t\t\t_v.setFromMatrixColumn( objectMatrix, 1 );\n\n\t\t} else {\n\n\t\t\t_v.setFromMatrixColumn( objectMatrix, 0 );\n\t\t\t_v.crossVectors( this.object.up, _v );\n\n\t\t}\n\n\t\t_v.multiplyScalar( distance );\n\n\t\tthis._panOffset.add( _v );\n\n\t}\n\n\t// deltaX and deltaY are in pixels; right and down are positive\n\t_pan( deltaX, deltaY ) {\n\n\t\tconst element = this.domElement;\n\n\t\tif ( this.object.isPerspectiveCamera ) {\n\n\t\t\t// perspective\n\t\t\tconst position = this.object.position;\n\t\t\t_v.copy( position ).sub( this.target );\n\t\t\tlet targetDistance = _v.length();\n\n\t\t\t// half of the fov is center to top of screen\n\t\t\ttargetDistance *= Math.tan( ( this.object.fov / 2 ) * Math.PI / 180.0 );\n\n\t\t\t// we use only clientHeight here so aspect ratio does not distort speed\n\t\t\tthis._panLeft( 2 * deltaX * targetDistance / element.clientHeight, this.object.matrix );\n\t\t\tthis._panUp( 2 * deltaY * targetDistance / element.clientHeight, this.object.matrix );\n\n\t\t} else if ( this.object.isOrthographicCamera ) {\n\n\t\t\t// orthographic\n\t\t\tthis._panLeft( deltaX * ( this.object.right - this.object.left ) / this.object.zoom / element.clientWidth, this.object.matrix );\n\t\t\tthis._panUp( deltaY * ( this.object.top - this.object.bottom ) / this.object.zoom / element.clientHeight, this.object.matrix );\n\n\t\t} else {\n\n\t\t\t// camera neither orthographic nor perspective\n\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' );\n\t\t\tthis.enablePan = false;\n\n\t\t}\n\n\t}\n\n\t_dollyOut( dollyScale ) {\n\n\t\tif ( this.object.isPerspectiveCamera || this.object.isOrthographicCamera ) {\n\n\t\t\tthis._scale /= dollyScale;\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\tthis.enableZoom = false;\n\n\t\t}\n\n\t}\n\n\t_dollyIn( dollyScale ) {\n\n\t\tif ( this.object.isPerspectiveCamera || this.object.isOrthographicCamera ) {\n\n\t\t\tthis._scale *= dollyScale;\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\tthis.enableZoom = false;\n\n\t\t}\n\n\t}\n\n\t_updateZoomParameters( x, y ) {\n\n\t\tif ( ! this.zoomToCursor ) {\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis._performCursorZoom = true;\n\n\t\tconst rect = this.domElement.getBoundingClientRect();\n\t\tconst dx = x - rect.left;\n\t\tconst dy = y - rect.top;\n\t\tconst w = rect.width;\n\t\tconst h = rect.height;\n\n\t\tthis._mouse.x = ( dx / w ) * 2 - 1;\n\t\tthis._mouse.y = - ( dy / h ) * 2 + 1;\n\n\t\tthis._dollyDirection.set( this._mouse.x, this._mouse.y, 1 ).unproject( this.object ).sub( this.object.position ).normalize();\n\n\t}\n\n\t_clampDistance( dist ) {\n\n\t\treturn Math.max( this.minDistance, Math.min( this.maxDistance, dist ) );\n\n\t}\n\n\t//\n\t// event callbacks - update the object state\n\t//\n\n\t_handleMouseDownRotate( event ) {\n\n\t\tthis._rotateStart.set( event.clientX, event.clientY );\n\n\t}\n\n\t_handleMouseDownDolly( event ) {\n\n\t\tthis._updateZoomParameters( event.clientX, event.clientX );\n\t\tthis._dollyStart.set( event.clientX, event.clientY );\n\n\t}\n\n\t_handleMouseDownPan( event ) {\n\n\t\tthis._panStart.set( event.clientX, event.clientY );\n\n\t}\n\n\t_handleMouseMoveRotate( event ) {\n\n\t\tthis._rotateEnd.set( event.clientX, event.clientY );\n\n\t\tthis._rotateDelta.subVectors( this._rotateEnd, this._rotateStart ).multiplyScalar( this.rotateSpeed );\n\n\t\tconst element = this.domElement;\n\n\t\tthis._rotateLeft( _twoPI * this._rotateDelta.x / element.clientHeight ); // yes, height\n\n\t\tthis._rotateUp( _twoPI * this._rotateDelta.y / element.clientHeight );\n\n\t\tthis._rotateStart.copy( this._rotateEnd );\n\n\t\tthis.update();\n\n\t}\n\n\t_handleMouseMoveDolly( event ) {\n\n\t\tthis._dollyEnd.set( event.clientX, event.clientY );\n\n\t\tthis._dollyDelta.subVectors( this._dollyEnd, this._dollyStart );\n\n\t\tif ( this._dollyDelta.y > 0 ) {\n\n\t\t\tthis._dollyOut( this._getZoomScale( this._dollyDelta.y ) );\n\n\t\t} else if ( this._dollyDelta.y < 0 ) {\n\n\t\t\tthis._dollyIn( this._getZoomScale( this._dollyDelta.y ) );\n\n\t\t}\n\n\t\tthis._dollyStart.copy( this._dollyEnd );\n\n\t\tthis.update();\n\n\t}\n\n\t_handleMouseMovePan( event ) {\n\n\t\tthis._panEnd.set( event.clientX, event.clientY );\n\n\t\tthis._panDelta.subVectors( this._panEnd, this._panStart ).multiplyScalar( this.panSpeed );\n\n\t\tthis._pan( this._panDelta.x, this._panDelta.y );\n\n\t\tthis._panStart.copy( this._panEnd );\n\n\t\tthis.update();\n\n\t}\n\n\t_handleMouseWheel( event ) {\n\n\t\tthis._updateZoomParameters( event.clientX, event.clientY );\n\n\t\tif ( event.deltaY < 0 ) {\n\n\t\t\tthis._dollyIn( this._getZoomScale( event.deltaY ) );\n\n\t\t} else if ( event.deltaY > 0 ) {\n\n\t\t\tthis._dollyOut( this._getZoomScale( event.deltaY ) );\n\n\t\t}\n\n\t\tthis.update();\n\n\t}\n\n\t_handleKeyDown( event ) {\n\n\t\tlet needsUpdate = false;\n\n\t\tswitch ( event.code ) {\n\n\t\t\tcase this.keys.UP:\n\n\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\tif ( this.enableRotate ) {\n\n\t\t\t\t\t\tthis._rotateUp( _twoPI * this.keyRotateSpeed / this.domElement.clientHeight );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( this.enablePan ) {\n\n\t\t\t\t\t\tthis._pan( 0, this.keyPanSpeed );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tneedsUpdate = true;\n\t\t\t\tbreak;\n\n\t\t\tcase this.keys.BOTTOM:\n\n\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\tif ( this.enableRotate ) {\n\n\t\t\t\t\t\tthis._rotateUp( - _twoPI * this.keyRotateSpeed / this.domElement.clientHeight );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( this.enablePan ) {\n\n\t\t\t\t\t\tthis._pan( 0, - this.keyPanSpeed );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tneedsUpdate = true;\n\t\t\t\tbreak;\n\n\t\t\tcase this.keys.LEFT:\n\n\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\tif ( this.enableRotate ) {\n\n\t\t\t\t\t\tthis._rotateLeft( _twoPI * this.keyRotateSpeed / this.domElement.clientHeight );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( this.enablePan ) {\n\n\t\t\t\t\t\tthis._pan( this.keyPanSpeed, 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tneedsUpdate = true;\n\t\t\t\tbreak;\n\n\t\t\tcase this.keys.RIGHT:\n\n\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\tif ( this.enableRotate ) {\n\n\t\t\t\t\t\tthis._rotateLeft( - _twoPI * this.keyRotateSpeed / this.domElement.clientHeight );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( this.enablePan ) {\n\n\t\t\t\t\t\tthis._pan( - this.keyPanSpeed, 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tneedsUpdate = true;\n\t\t\t\tbreak;\n\n\t\t}\n\n\t\tif ( needsUpdate ) {\n\n\t\t\t// prevent the browser from scrolling on cursor keys\n\t\t\tevent.preventDefault();\n\n\t\t\tthis.update();\n\n\t\t}\n\n\n\t}\n\n\t_handleTouchStartRotate( event ) {\n\n\t\tif ( this._pointers.length === 1 ) {\n\n\t\t\tthis._rotateStart.set( event.pageX, event.pageY );\n\n\t\t} else {\n\n\t\t\tconst position = this._getSecondPointerPosition( event );\n\n\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\tthis._rotateStart.set( x, y );\n\n\t\t}\n\n\t}\n\n\t_handleTouchStartPan( event ) {\n\n\t\tif ( this._pointers.length === 1 ) {\n\n\t\t\tthis._panStart.set( event.pageX, event.pageY );\n\n\t\t} else {\n\n\t\t\tconst position = this._getSecondPointerPosition( event );\n\n\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\tthis._panStart.set( x, y );\n\n\t\t}\n\n\t}\n\n\t_handleTouchStartDolly( event ) {\n\n\t\tconst position = this._getSecondPointerPosition( event );\n\n\t\tconst dx = event.pageX - position.x;\n\t\tconst dy = event.pageY - position.y;\n\n\t\tconst distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\tthis._dollyStart.set( 0, distance );\n\n\t}\n\n\t_handleTouchStartDollyPan( event ) {\n\n\t\tif ( this.enableZoom ) this._handleTouchStartDolly( event );\n\n\t\tif ( this.enablePan ) this._handleTouchStartPan( event );\n\n\t}\n\n\t_handleTouchStartDollyRotate( event ) {\n\n\t\tif ( this.enableZoom ) this._handleTouchStartDolly( event );\n\n\t\tif ( this.enableRotate ) this._handleTouchStartRotate( event );\n\n\t}\n\n\t_handleTouchMoveRotate( event ) {\n\n\t\tif ( this._pointers.length == 1 ) {\n\n\t\t\tthis._rotateEnd.set( event.pageX, event.pageY );\n\n\t\t} else {\n\n\t\t\tconst position = this._getSecondPointerPosition( event );\n\n\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\tthis._rotateEnd.set( x, y );\n\n\t\t}\n\n\t\tthis._rotateDelta.subVectors( this._rotateEnd, this._rotateStart ).multiplyScalar( this.rotateSpeed );\n\n\t\tconst element = this.domElement;\n\n\t\tthis._rotateLeft( _twoPI * this._rotateDelta.x / element.clientHeight ); // yes, height\n\n\t\tthis._rotateUp( _twoPI * this._rotateDelta.y / element.clientHeight );\n\n\t\tthis._rotateStart.copy( this._rotateEnd );\n\n\t}\n\n\t_handleTouchMovePan( event ) {\n\n\t\tif ( this._pointers.length === 1 ) {\n\n\t\t\tthis._panEnd.set( event.pageX, event.pageY );\n\n\t\t} else {\n\n\t\t\tconst position = this._getSecondPointerPosition( event );\n\n\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\tthis._panEnd.set( x, y );\n\n\t\t}\n\n\t\tthis._panDelta.subVectors( this._panEnd, this._panStart ).multiplyScalar( this.panSpeed );\n\n\t\tthis._pan( this._panDelta.x, this._panDelta.y );\n\n\t\tthis._panStart.copy( this._panEnd );\n\n\t}\n\n\t_handleTouchMoveDolly( event ) {\n\n\t\tconst position = this._getSecondPointerPosition( event );\n\n\t\tconst dx = event.pageX - position.x;\n\t\tconst dy = event.pageY - position.y;\n\n\t\tconst distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\tthis._dollyEnd.set( 0, distance );\n\n\t\tthis._dollyDelta.set( 0, Math.pow( this._dollyEnd.y / this._dollyStart.y, this.zoomSpeed ) );\n\n\t\tthis._dollyOut( this._dollyDelta.y );\n\n\t\tthis._dollyStart.copy( this._dollyEnd );\n\n\t\tconst centerX = ( event.pageX + position.x ) * 0.5;\n\t\tconst centerY = ( event.pageY + position.y ) * 0.5;\n\n\t\tthis._updateZoomParameters( centerX, centerY );\n\n\t}\n\n\t_handleTouchMoveDollyPan( event ) {\n\n\t\tif ( this.enableZoom ) this._handleTouchMoveDolly( event );\n\n\t\tif ( this.enablePan ) this._handleTouchMovePan( event );\n\n\t}\n\n\t_handleTouchMoveDollyRotate( event ) {\n\n\t\tif ( this.enableZoom ) this._handleTouchMoveDolly( event );\n\n\t\tif ( this.enableRotate ) this._handleTouchMoveRotate( event );\n\n\t}\n\n\t// pointers\n\n\t_addPointer( event ) {\n\n\t\tthis._pointers.push( event.pointerId );\n\n\t}\n\n\t_removePointer( event ) {\n\n\t\tdelete this._pointerPositions[ event.pointerId ];\n\n\t\tfor ( let i = 0; i < this._pointers.length; i ++ ) {\n\n\t\t\tif ( this._pointers[ i ] == event.pointerId ) {\n\n\t\t\t\tthis._pointers.splice( i, 1 );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_isTrackingPointer( event ) {\n\n\t\tfor ( let i = 0; i < this._pointers.length; i ++ ) {\n\n\t\t\tif ( this._pointers[ i ] == event.pointerId ) return true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\t_trackPointer( event ) {\n\n\t\tlet position = this._pointerPositions[ event.pointerId ];\n\n\t\tif ( position === undefined ) {\n\n\t\t\tposition = new Vector2();\n\t\t\tthis._pointerPositions[ event.pointerId ] = position;\n\n\t\t}\n\n\t\tposition.set( event.pageX, event.pageY );\n\n\t}\n\n\t_getSecondPointerPosition( event ) {\n\n\t\tconst pointerId = ( event.pointerId === this._pointers[ 0 ] ) ? this._pointers[ 1 ] : this._pointers[ 0 ];\n\n\t\treturn this._pointerPositions[ pointerId ];\n\n\t}\n\n\t//\n\n\t_customWheelEvent( event ) {\n\n\t\tconst mode = event.deltaMode;\n\n\t\t// minimal wheel event altered to meet delta-zoom demand\n\t\tconst newEvent = {\n\t\t\tclientX: event.clientX,\n\t\t\tclientY: event.clientY,\n\t\t\tdeltaY: event.deltaY,\n\t\t};\n\n\t\tswitch ( mode ) {\n\n\t\t\tcase 1: // LINE_MODE\n\t\t\t\tnewEvent.deltaY *= 16;\n\t\t\t\tbreak;\n\n\t\t\tcase 2: // PAGE_MODE\n\t\t\t\tnewEvent.deltaY *= 100;\n\t\t\t\tbreak;\n\n\t\t}\n\n\t\t// detect if event was triggered by pinching\n\t\tif ( event.ctrlKey && ! this._controlActive ) {\n\n\t\t\tnewEvent.deltaY *= 10;\n\n\t\t}\n\n\t\treturn newEvent;\n\n\t}\n\n}\n\nfunction onPointerDown( event ) {\n\n\tif ( this.enabled === false ) return;\n\n\tif ( this._pointers.length === 0 ) {\n\n\t\tthis.domElement.setPointerCapture( event.pointerId );\n\n\t\tthis.domElement.addEventListener( 'pointermove', this._onPointerMove );\n\t\tthis.domElement.addEventListener( 'pointerup', this._onPointerUp );\n\n\t}\n\n\t//\n\n\tif ( this._isTrackingPointer( event ) ) return;\n\n\t//\n\n\tthis._addPointer( event );\n\n\tif ( event.pointerType === 'touch' ) {\n\n\t\tthis._onTouchStart( event );\n\n\t} else {\n\n\t\tthis._onMouseDown( event );\n\n\t}\n\n}\n\nfunction onPointerMove( event ) {\n\n\tif ( this.enabled === false ) return;\n\n\tif ( event.pointerType === 'touch' ) {\n\n\t\tthis._onTouchMove( event );\n\n\t} else {\n\n\t\tthis._onMouseMove( event );\n\n\t}\n\n}\n\nfunction onPointerUp( event ) {\n\n\tthis._removePointer( event );\n\n\tswitch ( this._pointers.length ) {\n\n\t\tcase 0:\n\n\t\t\tthis.domElement.releasePointerCapture( event.pointerId );\n\n\t\t\tthis.domElement.removeEventListener( 'pointermove', this._onPointerMove );\n\t\t\tthis.domElement.removeEventListener( 'pointerup', this._onPointerUp );\n\n\t\t\tthis.dispatchEvent( _endEvent );\n\n\t\t\tthis.state = _STATE.NONE;\n\n\t\t\tbreak;\n\n\t\tcase 1:\n\n\t\t\tconst pointerId = this._pointers[ 0 ];\n\t\t\tconst position = this._pointerPositions[ pointerId ];\n\n\t\t\t// minimal placeholder event - allows state correction on pointer-up\n\t\t\tthis._onTouchStart( { pointerId: pointerId, pageX: position.x, pageY: position.y } );\n\n\t\t\tbreak;\n\n\t}\n\n}\n\nfunction onMouseDown( event ) {\n\n\tlet mouseAction;\n\n\tswitch ( event.button ) {\n\n\t\tcase 0:\n\n\t\t\tmouseAction = this.mouseButtons.LEFT;\n\t\t\tbreak;\n\n\t\tcase 1:\n\n\t\t\tmouseAction = this.mouseButtons.MIDDLE;\n\t\t\tbreak;\n\n\t\tcase 2:\n\n\t\t\tmouseAction = this.mouseButtons.RIGHT;\n\t\t\tbreak;\n\n\t\tdefault:\n\n\t\t\tmouseAction = - 1;\n\n\t}\n\n\tswitch ( mouseAction ) {\n\n\t\tcase MOUSE.DOLLY:\n\n\t\t\tif ( this.enableZoom === false ) return;\n\n\t\t\tthis._handleMouseDownDolly( event );\n\n\t\t\tthis.state = _STATE.DOLLY;\n\n\t\t\tbreak;\n\n\t\tcase MOUSE.ROTATE:\n\n\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\tif ( this.enablePan === false ) return;\n\n\t\t\t\tthis._handleMouseDownPan( event );\n\n\t\t\t\tthis.state = _STATE.PAN;\n\n\t\t\t} else {\n\n\t\t\t\tif ( this.enableRotate === false ) return;\n\n\t\t\t\tthis._handleMouseDownRotate( event );\n\n\t\t\t\tthis.state = _STATE.ROTATE;\n\n\t\t\t}\n\n\t\t\tbreak;\n\n\t\tcase MOUSE.PAN:\n\n\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\tif ( this.enableRotate === false ) return;\n\n\t\t\t\tthis._handleMouseDownRotate( event );\n\n\t\t\t\tthis.state = _STATE.ROTATE;\n\n\t\t\t} else {\n\n\t\t\t\tif ( this.enablePan === false ) return;\n\n\t\t\t\tthis._handleMouseDownPan( event );\n\n\t\t\t\tthis.state = _STATE.PAN;\n\n\t\t\t}\n\n\t\t\tbreak;\n\n\t\tdefault:\n\n\t\t\tthis.state = _STATE.NONE;\n\n\t}\n\n\tif ( this.state !== _STATE.NONE ) {\n\n\t\tthis.dispatchEvent( _startEvent );\n\n\t}\n\n}\n\nfunction onMouseMove( event ) {\n\n\tswitch ( this.state ) {\n\n\t\tcase _STATE.ROTATE:\n\n\t\t\tif ( this.enableRotate === false ) return;\n\n\t\t\tthis._handleMouseMoveRotate( event );\n\n\t\t\tbreak;\n\n\t\tcase _STATE.DOLLY:\n\n\t\t\tif ( this.enableZoom === false ) return;\n\n\t\t\tthis._handleMouseMoveDolly( event );\n\n\t\t\tbreak;\n\n\t\tcase _STATE.PAN:\n\n\t\t\tif ( this.enablePan === false ) return;\n\n\t\t\tthis._handleMouseMovePan( event );\n\n\t\t\tbreak;\n\n\t}\n\n}\n\nfunction onMouseWheel( event ) {\n\n\tif ( this.enabled === false || this.enableZoom === false || this.state !== _STATE.NONE ) return;\n\n\tevent.preventDefault();\n\n\tthis.dispatchEvent( _startEvent );\n\n\tthis._handleMouseWheel( this._customWheelEvent( event ) );\n\n\tthis.dispatchEvent( _endEvent );\n\n}\n\nfunction onKeyDown( event ) {\n\n\tif ( this.enabled === false ) return;\n\n\tthis._handleKeyDown( event );\n\n}\n\nfunction onTouchStart( event ) {\n\n\tthis._trackPointer( event );\n\n\tswitch ( this._pointers.length ) {\n\n\t\tcase 1:\n\n\t\t\tswitch ( this.touches.ONE ) {\n\n\t\t\t\tcase TOUCH.ROTATE:\n\n\t\t\t\t\tif ( this.enableRotate === false ) return;\n\n\t\t\t\t\tthis._handleTouchStartRotate( event );\n\n\t\t\t\t\tthis.state = _STATE.TOUCH_ROTATE;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase TOUCH.PAN:\n\n\t\t\t\t\tif ( this.enablePan === false ) return;\n\n\t\t\t\t\tthis._handleTouchStartPan( event );\n\n\t\t\t\t\tthis.state = _STATE.TOUCH_PAN;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tthis.state = _STATE.NONE;\n\n\t\t\t}\n\n\t\t\tbreak;\n\n\t\tcase 2:\n\n\t\t\tswitch ( this.touches.TWO ) {\n\n\t\t\t\tcase TOUCH.DOLLY_PAN:\n\n\t\t\t\t\tif ( this.enableZoom === false && this.enablePan === false ) return;\n\n\t\t\t\t\tthis._handleTouchStartDollyPan( event );\n\n\t\t\t\t\tthis.state = _STATE.TOUCH_DOLLY_PAN;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase TOUCH.DOLLY_ROTATE:\n\n\t\t\t\t\tif ( this.enableZoom === false && this.enableRotate === false ) return;\n\n\t\t\t\t\tthis._handleTouchStartDollyRotate( event );\n\n\t\t\t\t\tthis.state = _STATE.TOUCH_DOLLY_ROTATE;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tthis.state = _STATE.NONE;\n\n\t\t\t}\n\n\t\t\tbreak;\n\n\t\tdefault:\n\n\t\t\tthis.state = _STATE.NONE;\n\n\t}\n\n\tif ( this.state !== _STATE.NONE ) {\n\n\t\tthis.dispatchEvent( _startEvent );\n\n\t}\n\n}\n\nfunction onTouchMove( event ) {\n\n\tthis._trackPointer( event );\n\n\tswitch ( this.state ) {\n\n\t\tcase _STATE.TOUCH_ROTATE:\n\n\t\t\tif ( this.enableRotate === false ) return;\n\n\t\t\tthis._handleTouchMoveRotate( event );\n\n\t\t\tthis.update();\n\n\t\t\tbreak;\n\n\t\tcase _STATE.TOUCH_PAN:\n\n\t\t\tif ( this.enablePan === false ) return;\n\n\t\t\tthis._handleTouchMovePan( event );\n\n\t\t\tthis.update();\n\n\t\t\tbreak;\n\n\t\tcase _STATE.TOUCH_DOLLY_PAN:\n\n\t\t\tif ( this.enableZoom === false && this.enablePan === false ) return;\n\n\t\t\tthis._handleTouchMoveDollyPan( event );\n\n\t\t\tthis.update();\n\n\t\t\tbreak;\n\n\t\tcase _STATE.TOUCH_DOLLY_ROTATE:\n\n\t\t\tif ( this.enableZoom === false && this.enableRotate === false ) return;\n\n\t\t\tthis._handleTouchMoveDollyRotate( event );\n\n\t\t\tthis.update();\n\n\t\t\tbreak;\n\n\t\tdefault:\n\n\t\t\tthis.state = _STATE.NONE;\n\n\t}\n\n}\n\nfunction onContextMenu( event ) {\n\n\tif ( this.enabled === false ) return;\n\n\tevent.preventDefault();\n\n}\n\nfunction interceptControlDown( event ) {\n\n\tif ( event.key === 'Control' ) {\n\n\t\tthis._controlActive = true;\n\n\t\tconst document = this.domElement.getRootNode(); // offscreen canvas compatibility\n\n\t\tdocument.addEventListener( 'keyup', this._interceptControlUp, { passive: true, capture: true } );\n\n\t}\n\n}\n\nfunction interceptControlUp( event ) {\n\n\tif ( event.key === 'Control' ) {\n\n\t\tthis._controlActive = false;\n\n\t\tconst document = this.domElement.getRootNode(); // offscreen canvas compatibility\n\n\t\tdocument.removeEventListener( 'keyup', this._interceptControlUp, { passive: true, capture: true } );\n\n\t}\n\n}\n\nexport { OrbitControls };\n", "import type { Vector3 } from 'three';\n\nimport type { Coordinate3d, CoordinateXYZ } from './Coordinates';\n\nlet scaleFactor = 1.0;\n\n/**\n * Set the number of units per AU.\n */\nexport function setScaleFactor(val: number) {\n scaleFactor = val;\n}\n\n/**\n * Get the number of units per AU.\n */\nexport function getScaleFactor(): number {\n return scaleFactor;\n}\n\nexport function rescalePos(pos: CoordinateXYZ): CoordinateXYZ {\n pos.x *= scaleFactor;\n pos.y *= scaleFactor;\n pos.z *= scaleFactor;\n return pos;\n}\n\nexport function rescaleArray(XYZ: Coordinate3d): Coordinate3d {\n return [XYZ[0] * scaleFactor, XYZ[1] * scaleFactor, XYZ[2] * scaleFactor];\n}\n\nexport function rescaleXYZ(X: number, Y: number, Z: number): Coordinate3d {\n return [X * scaleFactor, Y * scaleFactor, Z * scaleFactor];\n}\n\nexport function rescaleVector(vec: Vector3): Vector3 {\n return vec.multiplyScalar(scaleFactor);\n}\n\nexport function rescaleNumber(x: number): number {\n return scaleFactor * x;\n}\n", "import * as THREE from 'three';\nimport { OrbitControls } from 'three/examples/jsm/controls/OrbitControls.js';\nimport type { PerspectiveCamera } from 'three';\n\nimport { rescaleNumber, rescaleArray } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\nimport type { SimulationContext } from './Simulation';\nimport type { SpaceObject } from './SpaceObject';\n\n/**\n * A wrapper for Three.js camera and controls.\n * TODO(ian): Rename to \"Viewer\"\n */\nexport default class Camera {\n private context: SimulationContext;\n\n private camera: PerspectiveCamera;\n\n private cameraControls: OrbitControls;\n\n private followMesh?: THREE.Object3D;\n\n /**\n * @param {Object} context The simulation context\n */\n constructor(context: SimulationContext) {\n // TODO(ian): Accept either context or container\n this.context = context;\n\n // Optional mesh that we are following.\n this.followMesh = undefined;\n\n const containerWidth = this.context.container.width;\n const containerHeight = this.context.container.height;\n\n const camera = new THREE.PerspectiveCamera(\n 50,\n containerWidth / containerHeight,\n rescaleNumber(0.00001),\n rescaleNumber(2000),\n );\n this.camera = camera;\n\n // Controls\n // TODO(ian): Set maxDistance to prevent camera farplane cutoff.\n // See https://discourse.threejs.org/t/camera-zoom-to-fit-object/936/6\n\n // TODO(ian): Access this better\n const renderer = this.context.simulation.getRenderer();\n\n const controls = new OrbitControls(this.camera, renderer.domElement);\n controls.enableDamping = true;\n controls.dampingFactor = 0.05;\n controls.enablePan = true;\n controls.zoomSpeed = 1.5;\n controls.panSpeed = 2;\n controls.rotateSpeed = 2;\n controls.mouseButtons = {\n LEFT: THREE.MOUSE.ROTATE,\n MIDDLE: THREE.MOUSE.DOLLY,\n RIGHT: THREE.MOUSE.PAN,\n };\n controls.touches = {\n ONE: THREE.TOUCH.ROTATE,\n TWO: THREE.TOUCH.DOLLY_ROTATE,\n };\n this.cameraControls = controls;\n }\n\n /**\n * Move the camera to follow a SpaceObject as it moves. Currently only works\n * for non-particlesystems.\n * @param {SpaceObject} obj SpaceObject to follow.\n * @param {Array.} position Position of the camera with respect to\n * the object.\n */\n followObject(obj: SpaceObject, position: Coordinate3d) {\n const followMesh = obj.get3jsObjects()[0];\n\n this.cameraControls.enablePan = false;\n\n const rescaled = rescaleArray(position);\n this.camera.position.add(\n new THREE.Vector3(rescaled[0], rescaled[1], rescaled[2]),\n );\n\n this.cameraControls.update();\n this.followMesh = followMesh;\n }\n\n /**\n * Stop the camera from following the object.\n */\n stopFollowingObject() {\n if (this.followMesh) {\n this.followMesh.remove(this.camera);\n this.followMesh = undefined;\n this.cameraControls.enablePan = true;\n }\n }\n\n /**\n * @returns {boolean} True if camera is following object.\n */\n isFollowingObject(): boolean {\n return !!this.followMesh;\n }\n\n /**\n * @returns {THREE.PerspectiveCamera} The THREE.js camera object.\n */\n get3jsCamera(): THREE.PerspectiveCamera {\n return this.camera;\n }\n\n /**\n * @returns {THREE.OrbitControls} The THREE.js CameraControls object.\n */\n get3jsCameraControls(): OrbitControls {\n return this.cameraControls;\n }\n\n /**\n * Update the camera position and process control inputs.\n */\n update() {\n if (this.isFollowingObject()) {\n const newpos = this.followMesh!.position.clone();\n\n const offset = newpos.clone().sub(this.cameraControls.target);\n this.camera.position.add(offset);\n\n this.cameraControls.target.set(newpos.x, newpos.y, newpos.z);\n }\n\n // Handle control movements\n this.cameraControls.update();\n\n // Update camera matrix\n this.camera.updateMatrixWorld();\n }\n}\n", "export default class Units {\n static rad(val: number): number {\n return (val * Math.PI) / 180;\n }\n\n static deg(val: number): number {\n return (val * 180) / Math.PI;\n }\n\n static hoursToDeg(val: number): number {\n return val * 15.0;\n }\n\n static sexagesimalToDecimalRa(\n raHour: number,\n raMin: number,\n raSec: number,\n ): number {\n // https://astronomy.stackexchange.com/questions/24518/convert-a-decimal-into-ra-or-dec\n return raHour * 15.0 + raMin / 4.0 + raSec / 240.0;\n }\n\n static sexagesimalToDecimalDec(\n decDeg: number,\n decMin: number,\n decSec: number,\n isObserverBelowEquator: boolean = false,\n ): number {\n const posneg = isObserverBelowEquator ? -1 : 1;\n return decDeg + decMin / 60.0 + (posneg * decSec) / 3600.0;\n }\n\n static valToSexagesimalRa(val: number): [number, number, number] {\n const raHour = Math.trunc(val / 15.0);\n const raMin = Math.trunc((val - raHour * 15.0) * 4.0);\n const raSec = (val - raHour * 15.0 - raMin / 4.0) * 240.0;\n return [raHour, raMin, raSec];\n }\n\n static decimalToSexagesimalDec(\n val: number,\n isObserverBelowEquator: boolean = false,\n ) {\n const posneg = isObserverBelowEquator ? -1 : 1;\n\n const decDeg = Math.trunc(val);\n const decMin = Math.trunc((val - posneg * decDeg) * 60.0 * posneg);\n const decSec =\n (val - posneg * decDeg - (posneg * decMin) / 60.0) * 3600.0 * posneg;\n return [decDeg, decMin, decSec];\n }\n\n static kmToAu(km: number): number {\n return km / 149597870.7;\n }\n\n static auToKm(au: number): number {\n return au * 149597870.7;\n }\n}\n", "import Units from './Units';\n\nexport type Coordinate3d = [number, number, number];\nexport type CoordinateXYZ = {\n x: number;\n y: number;\n z: number;\n};\n\nconst J2000: number = 2451545.0;\n\nexport default class Coordinates {\n static sphericalToCartesian(\n ra: number,\n dec: number,\n dist: number,\n ): Coordinate3d {\n // See http://www.stargazing.net/kepler/rectang.html\n return [\n dist * Math.cos(ra) * Math.cos(dec),\n dist * Math.sin(ra) * Math.cos(dec),\n dist * Math.sin(dec),\n ];\n }\n\n /**\n * See https://en.wikipedia.org/wiki/Ecliptic_coordinate_system#Converting_Cartesian_vector\n */\n static equatorialToEcliptic_Cartesian(\n x: number,\n y: number,\n z: number,\n tilt: number,\n ): Coordinate3d {\n return [\n x,\n Math.cos(tilt) * y + Math.sin(tilt) * z,\n -Math.sin(tilt) * y + Math.cos(tilt) * z,\n ];\n }\n\n static eclipticToEquatorial_Cartesian(\n x: number,\n y: number,\n z: number,\n tilt: number,\n ): Coordinate3d {\n return [\n x,\n Math.cos(tilt) * y + -Math.sin(tilt) * z,\n Math.sin(tilt) * y + Math.cos(tilt) * z,\n ];\n }\n\n /**\n * Get Earth's obliquity and nutation at a given date.\n * @param {Number} jd JD date\n * @return {Object} Object with attributes \"obliquity\" and \"nutation\" provided\n * in radians\n */\n static getNutationAndObliquity(jd: number = J2000): {\n nutation: number;\n obliquity: number;\n } {\n const t = (jd - J2000) / 36525;\n const omega = Units.rad(\n 125.04452 - 1934.136261 * t + 0.0020708 * t * t + (t * t + t) / 450000,\n );\n const Lsun = Units.rad(280.4665 + 36000.7698 * t);\n const Lmoon = Units.rad(218.3165 + 481267.8813 * t);\n\n const nutation =\n (-17.2 / 3600) * Math.sin(omega) -\n (-1.32 / 3600) * Math.sin(2 * Lsun) -\n (0.23 / 3600) * Math.sin(2 * Lmoon) +\n Units.deg((0.21 / 3600) * Math.sin(2 * omega));\n\n const obliquity_zero =\n 23 +\n 26.0 / 60 +\n 21.448 / 3600 -\n (46.815 / 3600) * t -\n (0.00059 / 3600) * t * t +\n (0.001813 / 3600) * t * t * t;\n const obliquity_delta =\n (9.2 / 3600) * Math.cos(omega) +\n (0.57 / 3600) * Math.cos(2 * Lsun) +\n (0.1 / 3600) * Math.cos(2 * Lmoon) -\n (0.09 / 3600) * Math.cos(2 * omega);\n const obliquity = obliquity_zero + obliquity_delta;\n\n return {\n nutation: Units.rad(nutation),\n obliquity: Units.rad(obliquity),\n };\n }\n\n /**\n * Get Earth's obliquity at a given date.\n * @param {Number} jd JD date\n * @return {Number} Obliquity in radians\n */\n static getObliquity(jd: number = J2000): number {\n return this.getNutationAndObliquity(jd).obliquity;\n }\n}\n", "const METERS_IN_AU = 149597870700;\nconst SECONDS_IN_DAY = 86400;\n\ntype EphemAttribute =\n | 'a'\n | 'e'\n | 'i'\n | 'q'\n | 'epoch'\n | 'period'\n | 'tp'\n | 'ma'\n | 'n'\n | 'L'\n | 'om'\n | 'w'\n | 'wBar'\n | 'GM';\n\ninterface EphemAttributes {\n a?: number;\n e?: number;\n i?: number;\n q?: number;\n epoch?: number;\n period?: number;\n tp?: number;\n\n ma?: number;\n n?: number;\n L?: number;\n om?: number;\n w?: number;\n wBar?: number;\n GM?: number;\n}\n\n// TODO(ian): Allow multiple valid attrs for a single quantity and map them\n// internally to a single canonical attribute.\nconst EPHEM_VALID_ATTRS: Set = new Set([\n 'a', // Semi-major axis\n 'e', // Eccentricity\n 'i', // Inclination\n 'q', // Perihelion distance\n\n 'epoch',\n 'period', // in days\n 'tp', // time of perihelion\n\n 'ma', // Mean anomaly\n 'n', // Mean motion\n 'L', // Mean longitude\n\n 'om', // Longitude of Ascending Node\n 'w', // Argument of Perihelion = Longitude of Perihelion - Longitude of Ascending Node\n 'wBar', // Longitude of Perihelion = Longitude of Ascending Node + Argument of Perihelion\n\n 'GM', // Gravitational constant of more massive body\n]);\n\n// Which of these are angular measurements.\nconst ANGLE_UNITS: Set = new Set([\n 'i',\n 'ma',\n 'n',\n 'L',\n 'om',\n 'w',\n 'wBar',\n]);\n\n/**\n * Standard gravitational parameter for objects orbiting these bodies.\n * Units in m^3/s^2\n */\nexport const GM: {\n SUN: number;\n MERCURY: number;\n VENUS: number;\n EARTH_MOON: number;\n MARS: number;\n JUPITER: number;\n SATURN: number;\n URANUS: number;\n NEPTUNE: number;\n PLUTO_CHARON: number;\n} = {\n // See https://space.stackexchange.com/questions/22948/where-to-find-the-best-values-for-standard-gravitational-parameters-of-solar-sys and https://naif.jpl.nasa.gov/pub/naif/generic_kernels/pck/gm_de431.tpc\n SUN: 1.3271244004193938e20,\n MERCURY: 2.2031780000000021e13,\n VENUS: 3.2485859200000006e14,\n EARTH_MOON: 4.0350323550225981e14,\n MARS: 4.2828375214000022e13,\n JUPITER: 1.2671276480000021e17,\n SATURN: 3.7940585200000003e16,\n URANUS: 5.794548600000008e15,\n NEPTUNE: 6.8365271005800236e15,\n PLUTO_CHARON: 9.7700000000000068e11,\n};\n\n// Returns true if object is a number.\nfunction isDef(obj?: number) {\n return typeof obj !== 'undefined' && Number.isFinite(obj);\n}\n\n/**\n * A class representing Kepler ephemerides.\n * @example\n * ```\n * const NEPTUNE = new Ephem({\n * epoch: 2458426.500000000,\n * a: 3.009622263428050E+01,\n * e: 7.362571187193770E-03,\n * i: 1.774569249829094E+00,\n * om: 1.318695882492132E+02,\n * w: 2.586226409499831E+02,\n * ma: 3.152804988924479E+02,\n * }, 'deg'),\n * ```\n */\nexport class Ephem {\n private attrs: EphemAttributes;\n\n private locked: boolean;\n\n /**\n * @param {Object} initialValues A dictionary of initial values. Not all values\n * are required as some may be inferred from others.\n * @param {Number} initialValues.a Semimajor axis\n * @param {Number} initialValues.e Eccentricity\n * @param {Number} initialValues.i Inclination\n * @param {Number} initialValues.epoch Epoch in JD\n * @param {Number} initialValues.period Period in days\n * @param {Number} initialValues.ma Mean anomaly\n * @param {Number} initialValues.n Mean motion, deg or rad per day (instead of per second)\n * @param {Number} initialValues.L Mean longitude\n * @param {Number} initialValues.om Longitude of Ascending Node\n * @param {Number} initialValues.w Argument of Perihelion\n * @param {Number} initialValues.wBar Longitude of Perihelion\n * @param {GM} initialValues.GM Standard gravitational parameter in m^3/s^2 (instead of km^3/s^2).\n * Defaults to GM.SUN. @see {GM}\n * @param {'deg'|'rad'} units The unit of angles in the list of initial values.\n */\n constructor(\n initialValues: EphemAttributes,\n units: 'rad' | 'deg' = 'rad',\n locked: boolean = false,\n ) {\n this.attrs = {};\n this.locked = false;\n\n for (const attr in initialValues) {\n if (initialValues.hasOwnProperty(attr)) {\n const actualUnits = ANGLE_UNITS.has(attr) ? units : null;\n this.set(\n attr as EphemAttribute,\n initialValues[attr as keyof EphemAttributes] as number,\n actualUnits as 'rad' | 'deg',\n );\n }\n }\n\n if (typeof this.attrs.GM === 'undefined') {\n this.attrs.GM = GM.SUN;\n }\n this.fill();\n\n if (this.get('e') >= 0.999 && typeof this.getUnsafe('tp') === 'undefined') {\n console.warn(\n 'You must specify \"tp\" (time of perihelion) for highly eccentric orbits',\n );\n }\n\n this.locked = locked;\n }\n\n /**\n * Sets an ephemerides attribute.\n * @param {String} attr The name of the attribute (e.g. 'a')\n * @param {Number} val The value of the attribute (e.g. 0.5)\n * @param {'deg'|'rad'} units The unit of angle provided, if applicable.\n */\n set(attr: EphemAttribute, val: number, units: 'deg' | 'rad' = 'rad') {\n if (this.locked) {\n throw new Error('Attempted to modify locked (immutable) Ephem object');\n }\n\n if (!EPHEM_VALID_ATTRS.has(attr)) {\n console.warn(`Invalid ephem attr: ${attr}`);\n return false;\n }\n\n // Store everything in radians.\n // TODO(ian): Make sure value can't be set with bogus units.\n if (units === 'deg') {\n this.attrs[attr] = (val * Math.PI) / 180;\n } else {\n this.attrs[attr] = val;\n }\n return true;\n }\n\n /**\n * Gets an ephemerides attribute, but may return undefined if it's not set.\n * @param {String} attr The name of the attribute (e.g. 'a')\n * @param {'deg'|'rad'} units The unit of angle desired, if applicable. This\n * input is ignored for values that are not angle measurements.\n * @return {Number} Ephemeris attribute value, or undefined\n */\n getUnsafe(\n attr: EphemAttribute,\n units: 'deg' | 'rad' = 'rad',\n ): number | undefined {\n if (units === 'deg') {\n const attrVal = this.attrs[attr];\n if (typeof attrVal === 'undefined') {\n return undefined;\n }\n return (attrVal * 180) / Math.PI;\n }\n return this.attrs[attr];\n }\n\n /**\n * Gets an ephemerides attribute.\n * @param {String} attr The name of the attribute (e.g. 'a')\n * @param {'deg'|'rad'} units The unit of angle desired, if applicable. This\n * input is ignored for values that are not angle measurements.\n * @return {Number} Ephemeris attribute value\n */\n get(attr: EphemAttribute, units: 'deg' | 'rad' = 'rad'): number {\n const retVal = this.getUnsafe(attr, units);\n if (typeof retVal === 'undefined') {\n console.info(this.attrs);\n throw new Error(\n `Attempted to get ephemeris value '${attr}' but it was undefined`,\n );\n }\n return retVal;\n }\n\n /**\n * @private\n * Infers values of some ephemerides attributes if the required information\n * is available.\n */\n private fill() {\n // Perihelion distance and semimajor axis\n const e = this.getUnsafe('e');\n if (!isDef(e)) {\n console.info(this.attrs);\n throw new Error('Must define eccentricity \"e\" in an orbit');\n }\n\n // Semimajor axis and perihelion distance\n let a = this.getUnsafe('a');\n let q = this.getUnsafe('q');\n if (isDef(a)) {\n if (!isDef(q)) {\n if (e! >= 1.0) {\n throw new Error(\n 'Must provide perihelion distance \"q\" if eccentricity \"e\" is greater than 1',\n );\n }\n q = a! * (1.0 - e!);\n this.set('q', q);\n }\n } else if (isDef(q)) {\n a = q! / (1.0 - e!);\n this.set('a', a);\n } else {\n throw new Error(\n 'Must define semimajor axis \"a\" or perihelion distance \"q\" in an orbit',\n );\n }\n\n // Longitude/Argument of Perihelion and Long. of Ascending Node\n let w = this.getUnsafe('w');\n let wBar = this.getUnsafe('wBar');\n let om = this.getUnsafe('om');\n if (isDef(w) && isDef(om) && !isDef(wBar)) {\n wBar = w! + om!;\n this.set('wBar', wBar);\n } else if (isDef(wBar) && isDef(om) && !isDef(w)) {\n w = wBar! - om!;\n this.set('w', w);\n } else if (isDef(w) && isDef(wBar) && !isDef(om)) {\n om = wBar! - w!;\n this.set('om', om);\n }\n\n // Mean motion and period\n const aMeters = a! * METERS_IN_AU;\n const n = this.getUnsafe('n');\n const GM = this.getUnsafe('GM');\n let period = this.getUnsafe('period');\n\n if (!isDef(period) && isDef(a)) {\n if (!isDef(GM)) {\n throw new Error('Expected ephemeris attribute GM to be set');\n }\n period =\n (2 * Math.PI * Math.sqrt((aMeters * aMeters * aMeters) / GM!)) /\n SECONDS_IN_DAY;\n this.set('period', period);\n }\n\n if (e! < 1.0) {\n // Only work with mean motion for elliptical orbits.\n if (isDef(period) && !isDef(n)) {\n // Set radians\n const newN = (2.0 * Math.PI) / period!;\n this.set('n', newN);\n } else if (isDef(n) && !isDef(period)) {\n this.set('period', (2.0 * Math.PI) / n!);\n }\n }\n\n // Mean longitude\n const ma = this.getUnsafe('ma');\n let L = this.getUnsafe('L');\n if (!isDef(L) && isDef(om) && isDef(w) && isDef(ma)) {\n L = om! + w! + ma!;\n this.set('L', L);\n }\n\n // Mean anomaly\n if (!isDef(ma)) {\n // MA = Mean longitude - Longitude of perihelion\n this.set('ma', L! - wBar!);\n }\n\n // TODO(ian): Handle no om\n }\n\n /**\n * Make this ephem object immutable.\n */\n lock() {\n this.locked = true;\n }\n\n copy(): Ephem {\n return new Ephem(\n {\n GM: this.getUnsafe('GM'),\n epoch: this.getUnsafe('epoch'),\n a: this.getUnsafe('a'),\n e: this.getUnsafe('e'),\n i: this.getUnsafe('i'),\n om: this.getUnsafe('om'),\n ma: this.getUnsafe('ma'),\n w: this.getUnsafe('w'),\n period: this.getUnsafe('period'), // save period, if given, more accurate than calculating it from GM & a\n },\n 'rad',\n );\n }\n}\n", "/**\n * Interpolates the given 2D array of data using a Lagrange Polynomial interpolation. User specifies first/last row\n * versus giving a number of sample points and a starting index. For best performance number of points generally would\n * be between 1 (linear) and 7\n *\n * @param {Array} data array\n * @param {Number} xValue value of x to evaluate for function y = f(x) represented by the data\n * @param {Number} sampleRowMin first row of data to use for the interpolation\n * @param {Number} sampleRowMax last row of data to use for the interpolation\n * @param {Number} xIndex the column of data which represents the 'x' variable of y = f(x)\n * @param {Number} yIndex the column of data which represents the 'y' curve data of y = f(x)\n * @returns {Number} the interpolated value of the function f(x) from the data\n */\nexport function interpolate(\n data: number[][],\n xValue: number,\n sampleRowMin: number,\n sampleRowMax: number,\n xIndex: number,\n yIndex: number,\n): number {\n if (data === undefined) {\n throw 'data object is undefined';\n }\n\n if (!Array.isArray(data)) {\n throw 'data object must be an array';\n }\n\n if (sampleRowMin >= sampleRowMax) {\n throw 'first row must be greater than last row';\n }\n\n if (sampleRowMin < 0) {\n throw 'first row must be greater than zero';\n }\n\n if (sampleRowMax > data.length - 1) {\n throw 'last row must be ';\n }\n\n if (!Array.isArray(data[sampleRowMin])) {\n throw 'data in rows must be array data';\n }\n\n const maxColumn = data[0].length - 1;\n if (xIndex < 0 || xIndex > maxColumn) {\n throw `xIndex has to be between 0 and ${maxColumn}: ${xIndex}`;\n }\n\n if (yIndex < 0 || yIndex > maxColumn) {\n throw `yIndex has to be between 0 and ${maxColumn}: ${yIndex}`;\n }\n\n let sum = 0;\n for (let j = sampleRowMin; j <= sampleRowMax; j++) {\n let prod = 1;\n for (let k = sampleRowMin; k <= sampleRowMax; k++) {\n if (k === j) {\n continue;\n }\n prod *= (xValue - data[k][xIndex]) / (data[j][xIndex] - data[k][xIndex]);\n }\n\n sum += prod * data[j][yIndex];\n }\n\n return sum;\n}\n", "import * as THREE from 'three';\n\nconst DEFAULT_COMPARER_METHOD = (a: any, b: any) => {\n return a - b;\n};\n/**\n * @ignore\n */\nexport const DEFAULT_TEXTURE_URL = '{{assets}}/sprites/fuzzyparticle.png';\n\n/**\n * Returns the complete URL to a texture given a basepath and a template url.\n * @param {String} template URL containing optional template parameters\n * @param {String} basePath Base path\n * @example\n * ```\n * getFullUrl('{{assets}}/images/mysprite.png', '/path/to/assets')\n * => '/path/to/assets/images/mysprite.png'\n * ```\n */\nexport function getFullUrl(template: string, basePath: string) {\n return template\n .replace('{{assets}}', `${basePath}/assets`)\n .replace('{{data}}', `${basePath}/data`);\n}\n\n/**\n * Returns the complete URL to a texture given a basepath and a template url.\n * @param {String} template URL containing optional template parameters\n * @param {String} basePath Base path for simulation data and assets.\n * @example\n * ```\n * getFullTextureUrl('{{assets}}/images/mysprite.png', '/path/to/assets')\n * => '/path/to/assets/images/mysprite.png'\n * ```\n */\nexport function getFullTextureUrl(template: string, basePath: string) {\n return getFullUrl(template || DEFAULT_TEXTURE_URL, basePath);\n}\n\n/*\n * Returns a THREE.js texture given a basepath and a template url.\n * @param {String} template URL containing optional template parameters\n * @param {String} basePath Base path for simulation data and assets.\n */\nexport function getThreeJsTexture(template: string, basePath: string) {\n const fullTextureUrl = getFullTextureUrl(template, basePath);\n const texture = new THREE.TextureLoader().load(fullTextureUrl);\n texture.colorSpace = THREE.SRGBColorSpace;\n return texture;\n}\n\nexport function getDefaultBasePath() {\n return window.location.href.indexOf('localhost') > -1\n ? '/src/'\n : 'https://typpo.github.io/spacekit/src';\n}\n\n/**\n * Performs a standard binary search on an array of values returning the index of the found item or the twos complement\n * negative of the closest value if the exact value isn't found. For example for array: [10, 20, 30]\n * * Searching for a value of 20 would return an index of 1\n * * Searching for a value of 12 would return a value of -2 (taking the two's complement back '~' give you 1)\n * @param {Array} data an array of values of the type consistent with the comparer method\n * @param value the value to be searched for in the data array\n * @param {Function} [comparer] a function which takes two arguments: first of same type as data row and second as same\n * time as value to compare. Default method is a numerical comparison\n * @returns {number}\n */\nexport function binarySearch(\n data: any[],\n value: any,\n comparer = DEFAULT_COMPARER_METHOD,\n) {\n if (data === undefined) {\n throw 'data object is undefined';\n }\n\n if (!Array.isArray(data)) {\n throw 'data object must be an array';\n }\n\n if (value === undefined) {\n throw 'value object must be defined';\n }\n\n if (comparer === undefined) {\n throw 'comparer must be defined';\n }\n\n let left = 0;\n let right = data.length;\n\n while (left <= right) {\n let middle = Math.floor((left + right) / 2);\n if (middle === data.length) {\n return middle;\n }\n let comparisonCalc = comparer(data[middle], value);\n if (comparisonCalc < 0) {\n left = middle + 1;\n } else if (comparisonCalc > 0) {\n right = middle - 1;\n } else {\n return middle;\n }\n }\n\n return ~left;\n}\n", "import * as SpacekitMath from './Math';\nimport * as Util from './util';\n\nimport Units from './Units';\n\nimport type { Coordinate3d } from './Coordinates';\n\n/**\n * A class representing an ephemeris look-up table for defining a space object.\n */\n\n// Types\ntype InterpolationType = 'lagrange';\ntype EphemType = 'cartesianposvel';\ntype DistanceUnits = 'au' | 'km';\ntype TimeUnits = 'day' | 'sec';\n\ninterface EphemerisTableUnits {\n distance: DistanceUnits;\n time: TimeUnits;\n}\n\ninterface EphemerisTableData {\n data: number[][];\n ephemerisType?: EphemType;\n distanceUnits: DistanceUnits;\n timeUnits: TimeUnits;\n interpolationType?: InterpolationType;\n interpolationOrder?: number;\n}\n\n// Constants\nconst MAX_INTERPOLATION_ORDER = 20;\nconst INCREASING_JDATE_SEARCH_METHOD = (a: number[], b: number) => a[0] - b;\n\n// Default Values\nconst DEFAULT_UNITS: EphemerisTableUnits = {\n distance: 'au',\n time: 'day',\n};\n\nconst DEFAULT_EPHEM_TYPE = 'cartesianposvel';\nconst DEFAULT_INTERPOLATION_TYPE = 'lagrange';\nconst DEFAULT_INTERPOLATION_ORDER = 5;\n\n// Allowable unit types\nconst DISTANCE_UNITS = new Set(['km', 'au']);\nconst EPHEM_TYPES = new Set(['cartesianposvel']);\nconst INTERPOLATION_TYPES = new Set(['lagrange']);\nconst TIME_UNITS = new Set(['day', 'sec']);\n\n/**\n * This class encapsulates the data and necessary methods for operating with look up ephemeris data.\n * Users of the class pass in their ephemeris data as a data structure with the data and the settings for the ephemeris.\n * The settings include things like the units, and the ephemeris representation. The ephemeris data itself is an array\n * of arrays where each line constitute the necessary components of the line.\n *\n * For 'cartesianposvel' style ephemeris each line of data looks like: [Julian Date, X, Y, Z, Vx, Vy, Vz]\n */\nexport class EphemerisTable {\n private units: EphemerisTableUnits;\n\n private ephemType: EphemType;\n\n private interpolationType: InterpolationType;\n\n private interpolationOrder: number;\n\n private data: number[][];\n\n /**\n * @param {Object} ephemerisData Look up ephemeris data to initialize the table with and the properties of it\n * @param {Array.>} ephemerisData.data the ephemeris data appropriate for the specified ephemeris type\n * @param {String} ephemerisData.ephemerisType the type of ephemeres data here (defaults to 'cartesianposvel')\n * @param {String} ephemerisData.distanceUnits the distance units for this data (defaults to AU\n * @param {String} ephemerisData.timeUnits the distance units for this data (defaults to day)\n * @param {String} ephemerisData.interpolationType the type of interpolater to use (defaults to 'lagrange')\n * @param {Number} ephemerisData.interpolationOrder the order of the interpolator to use (defaults to 5)\n */\n constructor(ephemerisData: EphemerisTableData) {\n this.units = JSON.parse(JSON.stringify(DEFAULT_UNITS));\n this.ephemType = DEFAULT_EPHEM_TYPE;\n this.interpolationType = DEFAULT_INTERPOLATION_TYPE;\n this.interpolationOrder = DEFAULT_INTERPOLATION_ORDER;\n\n if (!ephemerisData) {\n throw new Error(\n 'EphemerisTable must be initialized with an ephemeris data structure',\n );\n }\n\n if (\n !ephemerisData.data ||\n !Array.isArray(ephemerisData.data) ||\n ephemerisData.data.length === 0 ||\n !Array.isArray(ephemerisData.data[0])\n ) {\n throw new Error(\n 'EphemerisTable must be initialized with a structure containing an array of arrays of ephemeris data',\n );\n }\n this.data = JSON.parse(JSON.stringify(ephemerisData.data));\n\n if (ephemerisData.distanceUnits) {\n if (!DISTANCE_UNITS.has(ephemerisData.distanceUnits)) {\n throw new Error(\n `Unknown distance units: ${ephemerisData.distanceUnits}`,\n );\n }\n this.units.distance = ephemerisData.distanceUnits;\n }\n\n if (ephemerisData.timeUnits) {\n if (!TIME_UNITS.has(ephemerisData.timeUnits)) {\n throw new Error(`Unknown time units: ${ephemerisData.timeUnits}`);\n }\n this.units.time = ephemerisData.timeUnits;\n }\n\n if (ephemerisData.ephemerisType) {\n if (!EPHEM_TYPES.has(ephemerisData.ephemerisType)) {\n throw new Error(\n `Unknown ephemeris type: ${ephemerisData.ephemerisType}`,\n );\n }\n this.ephemType = ephemerisData.ephemerisType;\n }\n\n if (ephemerisData.interpolationType) {\n if (!INTERPOLATION_TYPES.has(ephemerisData.interpolationType)) {\n throw new Error(\n `Unknown interpolation type: ${ephemerisData.interpolationType}`,\n );\n }\n this.interpolationType = ephemerisData.interpolationType;\n }\n\n if (ephemerisData.interpolationOrder !== undefined) {\n if (\n ephemerisData.interpolationOrder < 1 ||\n ephemerisData.interpolationOrder > MAX_INTERPOLATION_ORDER\n ) {\n throw new Error(\n `Interpolation order must be >0 and <${MAX_INTERPOLATION_ORDER}: ${ephemerisData.interpolationOrder}`,\n );\n }\n this.interpolationOrder = ephemerisData.interpolationOrder;\n }\n\n if (\n this.units.distance !== DEFAULT_UNITS.distance ||\n this.units.time !== DEFAULT_UNITS.time\n ) {\n const distanceMultiplier = this.calcDistanceMultiplier(\n this.units.distance,\n );\n const timeMultiplier = this.calcTimeMultiplier(this.units.time);\n this.data.forEach((line) => {\n line[1] *= distanceMultiplier;\n line[2] *= distanceMultiplier;\n line[3] *= distanceMultiplier;\n line[4] *= distanceMultiplier * timeMultiplier;\n line[5] *= distanceMultiplier * timeMultiplier;\n line[6] *= distanceMultiplier * timeMultiplier;\n });\n }\n }\n\n /**\n * Returns the first Julian date in the ephemeris table.\n */\n getStartJd(): number {\n return this.data[0][0];\n }\n\n /**\n * Returns the last Julian date in the ephemeris table.\n */\n getStopJd(): number {\n return this.data[this.data.length - 1][0];\n }\n\n /**\n * Calculates the interpolated position for the given requested date. If the requested date is before the first\n * point it returns the first point. If the requested date is after the last point it returns the last point.\n * @param {Number} jd of the requested time\n * @returns {Number[]|*[]} x, y, z position in the ephemeris table's reference frame\n */\n getPositionAtTime(jd: number): Coordinate3d {\n if (jd <= this.data[0][0]) {\n return [this.data[0][1], this.data[0][2], this.data[0][3]];\n }\n\n const last = this.data[this.data.length - 1];\n if (jd >= last[0]) {\n return [last[1], last[2], last[3]];\n }\n\n const { startIndex, stopIndex } = this.calcBoundingIndices(jd);\n const x = SpacekitMath.interpolate(\n this.data,\n jd,\n startIndex,\n stopIndex,\n 0,\n 1,\n );\n const y = SpacekitMath.interpolate(\n this.data,\n jd,\n startIndex,\n stopIndex,\n 0,\n 2,\n );\n const z = SpacekitMath.interpolate(\n this.data,\n jd,\n startIndex,\n stopIndex,\n 0,\n 3,\n );\n\n return [x, y, z];\n }\n\n /**\n * Given the start and stop time returns a uniform ephemeris history.\n * @param {Number} startJd the requested start date\n * @param {Number} stopJd the requested stop date\n * @param {Number} stepDays the step size of the data requested in days (can be fractional days)\n * @returns {number[][]}\n */\n getPositions(\n startJd: number,\n stopJd: number,\n stepDays: number,\n ): Coordinate3d[] {\n if (startJd > stopJd) {\n throw new Error(`Requested start needs to be after requested stop`);\n }\n\n if (stepDays <= 0.0) {\n throw new Error('Step days needs to be greater than zero');\n }\n\n const result: Coordinate3d[] = [];\n for (let t = startJd; t <= stopJd; t += stepDays) {\n result.push(this.getPositionAtTime(t));\n }\n\n return result;\n }\n\n /**\n * @private\n */\n private calcDistanceMultiplier(unitType: DistanceUnits): number {\n switch (unitType) {\n case 'au':\n return 1.0;\n case 'km':\n return Units.kmToAu(1);\n default:\n throw new Error('Unknown distance unit type: ' + unitType);\n }\n }\n\n /**\n * @private\n */\n private calcTimeMultiplier(unitType: TimeUnits): number {\n switch (unitType) {\n case 'day':\n return 1.0;\n case 'sec':\n return 1 / 86400.0;\n default:\n throw new Error('Unknown time unit type: ' + unitType);\n }\n }\n\n /**\n * @private\n */\n private calcBoundingIndices(jd: number): {\n startIndex: number;\n stopIndex: number;\n } {\n const halfSampleSize = Math.floor(this.interpolationOrder / 2);\n let closestIndex = Util.binarySearch(\n this.data,\n jd,\n INCREASING_JDATE_SEARCH_METHOD,\n );\n if (closestIndex < 0) {\n closestIndex = ~closestIndex - 1;\n }\n let startIndex = closestIndex - halfSampleSize;\n if (startIndex < 0) {\n startIndex = 0;\n }\n\n let stopIndex = startIndex + Number(this.interpolationOrder);\n if (stopIndex >= this.data.length) {\n stopIndex = this.data.length - 1;\n if (this.data.length > halfSampleSize) {\n startIndex = stopIndex - halfSampleSize;\n }\n }\n\n return { startIndex: startIndex, stopIndex: stopIndex };\n }\n}\n", "import Units from './Units';\nimport { Ephem, GM } from './Ephem';\nimport { getFullUrl } from './util';\n\nimport type { Simulation, SimulationContext } from './Simulation';\n\n/**\n * A dictionary containing ephemerides of planets and other well-known objects.\n * @example\n * ```\n * const planet1 = viz.createObject('planet1', {\n * ephem: EphemPresets.MERCURY,\n * });\n * ```\n */\nexport const EphemPresets: {\n MERCURY: Ephem;\n VENUS: Ephem;\n EARTH: Ephem;\n MOON: Ephem;\n MARS: Ephem;\n JUPITER: Ephem;\n SATURN: Ephem;\n URANUS: Ephem;\n NEPTUNE: Ephem;\n PLUTO: Ephem;\n} = {\n // See https://ssd.jpl.nasa.gov/?planet_pos and https://ssd.jpl.nasa.gov/txt/p_elem_t1.txt\n MERCURY: new Ephem(\n {\n epoch: 2458426.5,\n a: 3.870968969437096e-1,\n e: 2.056515875393916e-1,\n i: 7.003891682749818,\n om: 4.830774804443502e1,\n w: 2.917940253442659e1,\n ma: 2.56190975209273e2,\n period: 87.969257,\n },\n 'deg',\n true /* locked */,\n ),\n VENUS: new Ephem(\n {\n epoch: 2458426.5,\n a: 7.233458663591554e-1,\n e: 6.762510759617694e-3,\n i: 3.394567787211735,\n om: 7.662534150657346e1,\n w: 5.474567447560867e1,\n ma: 2.756687596099721e2,\n period: 224.70079922,\n },\n 'deg',\n true /* locked */,\n ),\n EARTH: new Ephem(\n {\n // Taken from https://nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html\n /*\n epoch: 2451545.0,\n a: 1.00000011,\n e: 0.01671022,\n i: 0.00005,\n om: -11.26064,\n wBar: 102.94719,\n L: 100.46435,\n */\n\n // https://ssd.jpl.nasa.gov/txt/p_elem_t1.txt\n epoch: 2451545.0,\n a: 1.00000261,\n e: 0.01671123,\n i: -0.00001531,\n om: 0.0,\n wBar: 102.93768193,\n L: 100.46457166,\n period: 365.256363004,\n\n /*\n epoch: 2458426.500000000,\n a: 1.000618919441359E+00,\n e: 1.676780871638673E-02,\n i: 0,\n om: 1.888900932218542E+02,\n w: 2.718307282052625E+02,\n ma: 3.021792498388233E+02,\n */\n },\n 'deg',\n true /* locked */,\n ),\n MOON: new Ephem(\n {\n GM: GM.EARTH_MOON,\n\n // Geocentric\n // https://ssd.jpl.nasa.gov/horizons.cgi#results\n epoch: 2458621.5,\n a: 2.582517063772124e-3, // A, km => AU, Semi-major axis\n e: 4.582543645168888e-2, // EC, Eccentricity\n i: 5.102060246928811, // IN, Inclination deg\n om: 1.085916732144811e2, // OM, Longitude of Ascending Node, deg\n w: 6.180561793729225e1, // W, Argument of Perifocus, deg\n ma: 5.053270083636792e1, // MA, Mean Anomaly, deg\n period: 27.321582, // P, Period in days\n },\n 'deg',\n true /* locked */,\n ),\n MARS: new Ephem(\n {\n epoch: 2458426.5,\n a: 1.52371401537107,\n e: 9.336741335309606e-2,\n i: 1.848141099825311,\n om: 4.950420572080223e1,\n w: 2.866965847685386e2,\n ma: 2.538237617924876e1,\n period: 686.98,\n },\n 'deg',\n true /* locked */,\n ),\n JUPITER: new Ephem(\n {\n epoch: 2458426.5,\n a: 5.20180355911023,\n e: 4.89912558249006e-2,\n i: 1.303560894624275,\n om: 1.005203828847816e2,\n w: 2.73736301845404e2,\n ma: 2.31939544389401e2,\n period: 4332.589,\n },\n 'deg',\n true /* locked */,\n ),\n SATURN: new Ephem(\n {\n epoch: 2458426.5,\n a: 9.577177295536776,\n e: 5.101889921719987e-2,\n i: 2.482782449972317,\n om: 1.136154964073247e2,\n w: 3.394422648650336e2,\n ma: 1.870970898012944e2,\n period: 10755.698,\n },\n 'deg',\n true /* locked */,\n ),\n URANUS: new Ephem(\n {\n epoch: 2458426.5,\n a: 1.914496966635462e1,\n e: 4.832662948112808e-2,\n i: 7.697511134483724e-1,\n om: 7.414239045667875e1,\n w: 9.942704504702185e1,\n ma: 2.202603033874267e2,\n period: 30685.4,\n },\n 'deg',\n true /* locked */,\n ),\n NEPTUNE: new Ephem(\n {\n epoch: 2458426.5,\n a: 3.00962226342805e1,\n e: 7.36257118719377e-3,\n i: 1.774569249829094,\n om: 1.318695882492132e2,\n w: 2.586226409499831e2,\n ma: 3.152804988924479e2,\n period: 60189,\n },\n 'deg',\n true /* locked */,\n ),\n PLUTO: new Ephem(\n {\n epoch: 2454000.5,\n a: 39.4450697257,\n e: 0.250248713478,\n i: 17.0890009196,\n om: 110.376957955,\n w: 112.597141677,\n ma: 25.2471897122,\n },\n 'deg',\n true /* locked */,\n ),\n};\n\ninterface NaturalSatelliteRecord {\n Planet: string;\n 'Epoch String': string;\n 'Epoch JD': number;\n 'Element Type': string;\n 'Sat.': string;\n tags: string;\n a: number | string;\n e: number | string;\n w: number | string;\n M: number | string;\n i: number | string;\n node: number | string;\n n: number | string;\n P: number | string;\n Pw: number | string;\n Pnode: number | string;\n RA: number | string;\n Dec: number | string | null;\n Tilt: number | string | null;\n Ref: string;\n}\n\n/**\n * A class for fetching orbital elements of natural satellites in our solar\n * system.\n */\nexport class NaturalSatellites {\n private _simulation: Simulation;\n\n private _context: SimulationContext;\n\n private _satellitesByPlanet: Record<\n string,\n {\n name: string;\n elementType: string;\n tags: Set;\n ephem: Ephem;\n }[]\n >;\n\n private _readyPromise: Promise;\n\n constructor(simulation: Simulation) {\n this._simulation = simulation;\n this._context = simulation.getContext();\n\n this._satellitesByPlanet = {};\n const dataUrl = getFullUrl(\n '{{data}}/processed/natural-satellites.json',\n this._context.options.basePath,\n );\n\n this._readyPromise = new Promise((resolve, reject) => {\n fetch(dataUrl)\n .then((resp) => resp.json())\n .then((moons) => {\n moons.forEach((moon: NaturalSatelliteRecord) => {\n const planetName = moon.Planet.toLowerCase();\n if (!this._satellitesByPlanet[planetName]) {\n this._satellitesByPlanet[planetName] = [];\n }\n\n let ephemType;\n switch (moon['Element Type']) {\n case 'Ecliptic':\n // Don't have to do anything\n break;\n case 'Equatorial':\n // TODO(ian): Convert equatorial coords\n ephemType = 'equatorial';\n /*\n throw new Error(\n `Ephemeris type not yet implemented: ${ephemType}`,\n );\n */\n break;\n case 'Laplace':\n // TODO(ian): Convert laplace coords\n ephemType = 'equatorial';\n /*\n throw new Error(\n `Ephemeris type not yet implemented: ${ephemType}`,\n );\n */\n break;\n default:\n console.warn(\n `Ephemeris type not yet implemented: ${ephemType}`,\n );\n return;\n }\n\n let ephemGM;\n switch (moon.Planet) {\n case 'Earth':\n ephemGM = GM.EARTH_MOON;\n break;\n case 'Pluto':\n ephemGM = GM.PLUTO_CHARON;\n break;\n default:\n ephemGM = GM[moon.Planet.toUpperCase() as keyof typeof GM];\n }\n if (!ephemGM) {\n console.error(`Could not look up GM for ${moon.Planet}`);\n }\n\n const ephem = new Ephem(\n {\n GM: ephemGM,\n epoch: Number(moon['Epoch JD']),\n a: Units.kmToAu(Number(moon.a)),\n e: Number(moon.e),\n i: Number(moon.i),\n w: Number(moon.w),\n om: Number(moon.node),\n ma: Number(moon.M),\n },\n 'deg',\n true /* locked */,\n );\n\n this._satellitesByPlanet[planetName].push({\n name: moon['Sat.'],\n elementType: moon['Element Type'],\n tags: new Set(moon['tags'].split(',')),\n ephem,\n });\n });\n console.info('Loaded', moons.length, 'natural satellites');\n resolve(this);\n })\n .catch((err) => {\n reject(err);\n });\n });\n }\n\n /**\n * Get a list of satellites and their orbital elements for a given planet.\n * @param {String} planetName Name of a planet, e.g. \"Jupiter\"\n * @return {Object} List containing a list of dictionaries with information\n * on each satellite.\n */\n getSatellitesForPlanet(planetName: string) {\n return this._satellitesByPlanet[planetName.toLowerCase()];\n }\n\n load(): Promise {\n return this._readyPromise;\n }\n}\n", "import * as THREE from 'three';\n// @ts-ignore\nimport julian from 'julian';\n\nimport { Ephem } from './Ephem';\nimport { EphemerisTable } from './EphemerisTable';\nimport { rescaleArray, rescaleXYZ } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\n\nimport type { LineBasicMaterial } from 'three';\nimport { SpaceObject } from \"./SpaceObject\"\n\nexport enum OrbitType {\n UNKNOWN = 0,\n PARABOLIC = 1,\n HYPERBOLIC = 2,\n ELLIPTICAL = 3,\n TABLE = 4,\n}\n\ninterface OrbitOptions {\n color?: number;\n eclipticLineColor?: number;\n orbitPathSettings?: {\n leadDurationYears?: number;\n trailDurationYears?: number;\n numberSamplePoints?: number;\n eclipticLineSparsity?: number;\n drawHeliocentric?: boolean;\n };\n}\n\nconst { sin, cos, sqrt } = Math;\n\nconst DEFAULT_LEAD_TRAIL_YEARS = 10;\nconst DEFAULT_SAMPLE_POINTS = 360;\nconst DEFAULT_ECLIPTIC_LINE_SPARSITY = 1;\nconst DEFAULT_DRAW_HELIOCENTRIC = false;\nconst DEFAULT_ORBIT_PATH_SETTINGS = {\n leadDurationYears: DEFAULT_LEAD_TRAIL_YEARS,\n trailDurationYears: DEFAULT_LEAD_TRAIL_YEARS,\n numberSamplePoints: DEFAULT_SAMPLE_POINTS,\n eclipticLineSparsity: DEFAULT_ECLIPTIC_LINE_SPARSITY,\n drawHeliocentric: DEFAULT_DRAW_HELIOCENTRIC,\n};\n\n/**\n * Special cube root function that assumes input is always positive.\n */\nfunction cbrt(x: number) {\n return Math.exp(Math.log(x) / 3.0);\n}\n\n/**\n * A class that builds a visual representation of a Kepler orbit.\n * @example\n * ```\n * const orbit = new Spacekit.Orbit({\n * ephem: new Spacekit.Ephem({...}),\n * options: {\n * color: 0xFFFFFF,\n * eclipticLineColor: 0xCCCCCC,\n * },\n * });\n * ```\n */\nexport class Orbit {\n private ephem: Ephem | EphemerisTable;\n\n private options: OrbitOptions;\n\n private orbitPoints?: THREE.Vector3[];\n\n private eclipticDropLines?: THREE.LineSegments;\n\n private orbitShape?: THREE.Line;\n\n private orbitStart: number;\n\n private orbitStop: number;\n\n private orbitType: OrbitType;\n\n /**\n * @param {(Ephem | EphemerisTable)} ephem The ephemeris that define this orbit.\n * @param {Object} options\n * @param {Number} options.color The color of the orbital ellipse.\n * @param {Number} options.eclipticLineColor The color of lines drawn\n * @param {Object} options.orbitPathSettings settings for the path\n * @param {Number} options.orbitPathSettings.leadDurationYears orbit path lead time in years\n * @param {Number} options.orbitPathSettings.trailDurationYears orbit path trail time in years\n * @param {Number} options.orbitPathSettings.numberSamplePoints number of\n * points to use when drawing the orbit line. Only applicable for\n * non-elliptical and ephemeris table orbits. perpendicular to the ecliptic\n * in order to illustrate depth (defaults to 0x333333).\n */\n constructor(ephem: Ephem | EphemerisTable, options: OrbitOptions) {\n /**\n * Ephem object\n * @type {(Ephem | EphemerisTable)}\n */\n this.ephem = ephem;\n\n /**\n * Options (see class definition for details)\n */\n this.options = options || {};\n\n /**\n * configuring orbit path lead/trail data\n */\n this.options.orbitPathSettings = Object.assign({}, DEFAULT_ORBIT_PATH_SETTINGS, this.options.orbitPathSettings ?? {});\n\n /**\n * Cached orbital points.\n * @type {Array.}\n */\n this.orbitPoints = undefined;\n\n /**\n * Cached ecliptic drop lines.\n * @type {Array.}\n */\n this.eclipticDropLines = undefined;\n\n /**\n * Cached orbit shape.\n * @type {THREE.Line}\n */\n this.orbitShape = undefined;\n\n /**\n * Time span of the drawn orbit line\n */\n this.orbitStart = 0;\n this.orbitStop = 0;\n\n /**\n * Orbit type\n * @type {OrbitType}\n */\n this.orbitType = Orbit.getOrbitType(this.ephem);\n }\n\n /**\n * Is orbit heliocentric or not\n */\n isHeliocentric(): boolean {\n return this.options.orbitPathSettings?.drawHeliocentric ?? DEFAULT_DRAW_HELIOCENTRIC;\n }\n\n /**\n * Get heliocentric position of object at a given JD.\n * @param {Number} jd Date value in JD.\n * @param {boolean} debug Set true for debug output.\n * @return {Array.} [X, Y, Z] coordinates\n */\n getPositionAtTime(jd: number, debug: boolean = false): Coordinate3d {\n // Note: logic below must match the vertex shader.\n\n // This position calculation is used to create orbital ellipses.\n switch (this.orbitType) {\n case OrbitType.PARABOLIC:\n return this.getPositionAtTimeNearParabolic(jd, debug);\n case OrbitType.HYPERBOLIC:\n return this.getPositionAtTimeHyperbolic(jd, debug);\n case OrbitType.ELLIPTICAL:\n return this.getPositionAtTimeElliptical(jd, debug);\n case OrbitType.TABLE:\n return this.getPositionAtTimeTable(jd, debug);\n default:\n throw new Error('No handler for this type of orbit');\n }\n }\n\n getPositionAtTimeParabolic(jd: number, debug: boolean = false): Coordinate3d {\n // See https://stjarnhimlen.se/comp/ppcomp.html#17\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // The Guassian gravitational constant\n const k = 0.01720209895;\n\n // Perihelion distance\n const q = eph.get('q');\n\n // Compute time since perihelion\n const d = jd - eph.get('tp');\n\n const H = (d * (k / sqrt(2))) / sqrt(q * q * q);\n const h = 1.5 * H;\n const g = sqrt(1.0 + h * h);\n const s = cbrt(g + h) - cbrt(g - h);\n\n // True anomaly\n const v = 2.0 * Math.atan(s);\n // Heliocentric distance\n const r = q * (1.0 + s * s);\n\n return this.vectorToHeliocentric(v, r);\n }\n\n getPositionAtTimeNearParabolic(\n jd: number,\n debug: boolean = false,\n ): Coordinate3d {\n // See https://stjarnhimlen.se/comp/ppcomp.html#17\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // The Guassian gravitational constant\n const k = 0.01720209895;\n\n // Eccentricity\n const e = eph.get('e');\n\n // Perihelion distance\n const q = eph.get('q');\n\n // Compute time since perihelion\n const d = jd - eph.get('tp');\n\n const a = 0.75 * d * k * sqrt((1 + e) / (q * q * q));\n const b = sqrt(1 + a * a);\n const W = cbrt(b + a) - cbrt(b - a);\n const f = (1 - e) / (1 + e);\n\n const a1 = 2 / 3 + (2 / 5) * W * W;\n const a2 = 7 / 5 + (33 / 35) * W * W + (37 / 175) * W ** 4;\n const a3 =\n W * W * (432 / 175 + (956 / 1125) * W * W + (84 / 1575) * W ** 4);\n\n const C = (W * W) / (1 + W * W);\n const g = f * C * C;\n const w = W * (1 + f * C * (a1 + a2 * g + a3 * g * g));\n\n // True anomaly\n const v = 2 * Math.atan(w);\n // Heliocentric distance\n const r = (q * (1 + w * w)) / (1 + w * w * f);\n\n return this.vectorToHeliocentric(v, r);\n }\n\n getPositionAtTimeHyperbolic(\n jd: number,\n debug: boolean = false,\n ): Coordinate3d {\n // See https://stjarnhimlen.se/comp/ppcomp.html#17\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // Eccentricity\n const e = eph.get('e');\n\n // Semimajor axis\n const a = eph.get('a');\n\n // Mean anomaly\n const ma = eph.get('ma');\n\n // Calculate mean anomaly at jd\n const n = eph.get('n', 'rad');\n const epoch = eph.get('epoch');\n const d = jd - epoch;\n\n const M = ma + n * d;\n\n let F0 = M;\n for (let count = 0; count < 100; count++) {\n const F1 =\n (M + e * (F0 * Math.cosh(F0) - Math.sinh(F0))) /\n (e * Math.cosh(F0) - 1);\n const lastdiff = Math.abs(F1 - F0);\n F0 = F1;\n\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n const F = F0;\n\n const v = 2 * Math.atan(sqrt((e + 1) / (e - 1))) * Math.tanh(F / 2);\n const r = (a * (1 - e * e)) / (1 + e * cos(v));\n\n return this.vectorToHeliocentric(v, r);\n }\n\n getPositionAtTimeElliptical(\n jd: number,\n debug: boolean = false,\n ): Coordinate3d {\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // Eccentricity\n const e = eph.get('e');\n\n // Mean anomaly\n const ma = eph.get('ma', 'rad');\n\n // Calculate mean anomaly at jd\n const n = eph.get('n', 'rad');\n const epoch = eph.get('epoch');\n const d = jd - epoch;\n\n const M = ma + n * d;\n if (debug) {\n console.info('period=', eph.get('period'));\n console.info('n=', n);\n console.info('ma=', ma);\n console.info('d=', d);\n console.info('M=', M);\n }\n\n // Estimate eccentric and true anom using iterative approx\n let E0 = M;\n for (let count = 0; count < 100; count++) {\n const E1 = M + e * sin(E0);\n const lastdiff = Math.abs(E1 - E0);\n E0 = E1;\n\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n const E = E0;\n const v = 2 * Math.atan(sqrt((1 + e) / (1 - e)) * Math.tan(E / 2));\n\n // Radius vector, in AU\n const a = eph.get('a');\n const r = (a * (1 - e * e)) / (1 + e * cos(v));\n\n return this.vectorToHeliocentric(v, r);\n }\n\n getPositionAtTimeTable(jd: number, debug: boolean = false): Coordinate3d {\n if (this.ephem instanceof EphemerisTable) {\n const point = this.ephem.getPositionAtTime(jd);\n return rescaleXYZ(point[0], point[1], point[2]);\n }\n throw new Error('Attempted to read ephemeris table of non-table data');\n }\n\n /**\n * Given true anomaly and heliocentric distance, returns the scaled heliocentric coordinates (X, Y, Z)\n * @param {Number} v True anomaly\n * @param {Number} r Heliocentric distance\n * @return {Array.} Heliocentric coordinates\n */\n vectorToHeliocentric(v: number, r: number): Coordinate3d {\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // Inclination, Longitude of ascending node, Longitude of perihelion\n const i = eph.get('i', 'rad');\n const o = eph.get('om', 'rad');\n const p = eph.get('wBar', 'rad');\n\n // Heliocentric coords\n const X = r * (cos(o) * cos(v + p - o) - sin(o) * sin(v + p - o) * cos(i));\n const Y = r * (sin(o) * cos(v + p - o) + cos(o) * sin(v + p - o) * cos(i));\n const Z = r * (sin(v + p - o) * sin(i));\n\n return rescaleXYZ(X, Y, Z);\n }\n\n /**\n * Returns whether the requested epoch is within the current orbit's\n * definition. Used only for ephemeris tables.\n * @param {Number} jd\n * @return {boolean} true if it is within the orbit span, false if not\n */\n needsUpdateForTime(jd: number): boolean {\n if (this.orbitType === OrbitType.TABLE) {\n return jd < this.orbitStart || jd > this.orbitStop;\n }\n // Renderings for other types are static.\n return false;\n }\n\n /**\n * Calculates, caches, and returns the orbit state for this orbit around this time\n * @param {Number} jd center time of the orbit (only used for ephemeris table ephemeris)\n * @param {boolean} forceCompute forces the recomputing of the orbit on this call\n * @param {SpaceObject} orbitAround the object to orbit around\n * @return {THREE.Line}\n */\n getOrbitShape(jd?: number, forceCompute: boolean = false, orbitAround?: SpaceObject): THREE.Line {\n if (forceCompute) {\n if (this.orbitShape) {\n this.orbitShape.geometry.dispose();\n (this.orbitShape.material as LineBasicMaterial).dispose();\n }\n\n this.orbitShape = undefined;\n this.orbitPoints = undefined;\n\n if (this.eclipticDropLines) {\n this.eclipticDropLines.geometry.dispose();\n (this.eclipticDropLines.material as LineBasicMaterial).dispose();\n }\n this.eclipticDropLines = undefined;\n }\n\n if (this.orbitShape) {\n // Orbit shape is already computed.\n return this.orbitShape;\n }\n\n // Decide on a time range to draw orbits.\n if (this.orbitType === OrbitType.TABLE && this.ephem instanceof EphemerisTable) {\n this.orbitStart = this.ephem.getStartJd();\n this.orbitStop = this.ephem.getStopJd();\n }\n else if (this.orbitType !== OrbitType.TABLE && !(this.ephem instanceof EphemerisTable)) {\n // TODO(ian): Should we compute around current position, not time of perihelion?\n // Use current date as a fallback if time of perihelion is not available.\n const tp = jd ?? this.ephem.getUnsafe('tp') ?? julian.toJulianDay(new Date());\n this.orbitStart = tp - this.options.orbitPathSettings!.trailDurationYears! * 365.25;\n this.orbitStop = tp + this.options.orbitPathSettings!.leadDurationYears! * 365.25;\n }\n else {\n throw new Error(\"if this.orbitType == OrbitType.TABLE, then this.ephem needs to be an instance of EphemerisTable and vice versa\");\n }\n\n const step = (this.orbitStop - this.orbitStart) / this.options.orbitPathSettings!.numberSamplePoints!;\n\n switch (this.orbitType) {\n case OrbitType.ELLIPTICAL:\n if (this.options.orbitPathSettings?.drawHeliocentric && orbitAround) {\n return this.getEllipseAround(this.orbitStart, this.orbitStop, step, orbitAround);\n }\n return this.getEllipse();\n case OrbitType.HYPERBOLIC:\n return this.getLine(\n this.getPositionAtTimeHyperbolic.bind(this),\n this.orbitStart,\n this.orbitStop,\n step,\n this.options.orbitPathSettings?.drawHeliocentric ? orbitAround : undefined,\n );\n case OrbitType.PARABOLIC:\n return this.getLine(\n this.getPositionAtTimeNearParabolic.bind(this),\n this.orbitStart,\n this.orbitStop,\n step,\n this.options.orbitPathSettings?.drawHeliocentric ? orbitAround : undefined,\n );\n case OrbitType.TABLE:\n return this.getTableOrbit(this.orbitStart, this.orbitStop, step,\n this.options.orbitPathSettings?.drawHeliocentric ? orbitAround : undefined);\n default:\n throw new Error('Unknown orbit shape');\n }\n }\n\n /**\n * Compute a line between a given date range.\n * @private\n */\n private getLine(\n orbitFn: (jd: number) => Coordinate3d,\n startJd: number,\n endJd: number,\n step: number,\n orbitAround?: SpaceObject,\n ) {\n const points: THREE.Vector3[] = [];\n for (let jd = startJd; jd <= endJd; jd += step) {\n const pos = orbitFn(jd);\n if (orbitAround) {\n const parentPos = orbitAround.getPosition(jd);\n pos[0] += parentPos[0];\n pos[1] += parentPos[1];\n pos[2] += parentPos[2];\n }\n points.push(new THREE.Vector3(pos[0], pos[1], pos[2]));\n }\n return this.generateAndCacheOrbitShape(points);\n }\n\n /**\n * Returns the orbit for a table lookup orbit definition\n * @private\n * @param {Number} startJd start of orbit in JDate format\n * @param {Number} stopJd end of orbit in JDate format\n * @param {Number} step step size in days\n * @param {SpaceObject} orbitAround the object to orbit around\n * @return {THREE.Line}\n */\n private getTableOrbit(\n startJd: number,\n stopJd: number,\n step: number,\n orbitAround?: SpaceObject,\n ): THREE.Line {\n if (this.ephem instanceof Ephem) {\n throw new Error(\n 'Attempted to compute table orbit on non-table ephemeris',\n );\n }\n const rawPoints = this.ephem.getPositions(startJd, stopJd, step);\n const points = rawPoints\n .map((values) => rescaleArray(values))\n .map((values) => new THREE.Vector3(values[0], values[1], values[2]));\n\n if (orbitAround) {\n points.forEach((point, idx) => {\n const parentPos = orbitAround.getPosition(startJd + idx * step);\n point.x += parentPos[0];\n point.y += parentPos[1];\n point.z += parentPos[2];\n });\n }\n\n return this.generateAndCacheOrbitShape(points);\n }\n\n /**\n * @private\n * @return {THREE.Line} The ellipse object that represents this orbit.\n */\n private getEllipse() {\n const points = this.getEllipsePoints();\n return this.generateAndCacheOrbitShape(points);\n }\n\n /**\n * @private\n * @return {THREE.Line} The ellipse object around an orbit, in heliocentric frame.\n */\n private getEllipseAround(startJd: number, stopJd: number, step: number, orbitAround: SpaceObject) {\n const pts = [];\n for (let jd = startJd; jd <= stopJd; jd += step) {\n const parentPos = orbitAround.getPosition(jd);\n const pos = this.getPositionAtTimeElliptical(jd, false);\n pts.push(new THREE.Vector3(parentPos[0] + pos[0], parentPos[1] + pos[1], parentPos[2] + pos[2]));\n }\n return this.generateAndCacheOrbitShape(pts);\n }\n\n /**\n * @private\n * @return {THREE.Vector3[]} A THREE.js geometry\n */\n private getEllipsePoints(): THREE.Vector3[] {\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n const a = eph.get('a');\n const ecc = eph.get('e');\n\n const twoPi = Math.PI * 2;\n const step = twoPi / this.options.orbitPathSettings!.numberSamplePoints!;\n\n const pts = [];\n for (let E = 0; E < twoPi; E += step) {\n const v = 2 * Math.atan(sqrt((1 + ecc) / (1 - ecc)) * Math.tan(E / 2));\n const r = (a * (1 - ecc * ecc)) / (1 + ecc * cos(v));\n const pos = this.vectorToHeliocentric(v, r);\n\n if (isNaN(pos[0]) || isNaN(pos[1]) || isNaN(pos[2])) {\n console.error(\n 'NaN position value - you may have bad or incomplete data in the following ephemeris:',\n );\n console.error(eph);\n }\n pts.push(new THREE.Vector3(pos[0], pos[1], pos[2]));\n }\n pts.push(pts[0]);\n return pts;\n }\n\n /**\n * @private\n * @return {THREE.Line} Line object\n */\n private generateAndCacheOrbitShape(\n pointVectors: THREE.Vector3[],\n ): THREE.Line {\n\n if (this.orbitShape) {\n // clean up before creating new resources\n this.orbitShape.geometry.dispose();\n (this.orbitShape.material as LineBasicMaterial).dispose();\n }\n\n this.orbitPoints = pointVectors;\n this.orbitShape = new THREE.Line(\n new THREE.BufferGeometry().setFromPoints(pointVectors),\n new THREE.LineBasicMaterial({\n color: new THREE.Color(this.options.color || 0x444444),\n }),\n );\n return this.orbitShape;\n }\n\n /**\n * A geometry containing line segments that run between the orbit ellipse and\n * the ecliptic plane of the solar system. This is a useful visual effect\n * that makes it easy to tell when an orbit goes below or above the ecliptic\n * plane.\n * @return {THREE.LineSegments} A geometry with many line segments.\n */\n getLinesToEcliptic(): THREE.LineSegments {\n if (this.eclipticDropLines) {\n return this.eclipticDropLines;\n }\n\n if (!this.orbitPoints) {\n // Generate the orbitPoints cache.\n this.getOrbitShape();\n }\n\n // Place a cap on visible lines, for large or highly inclined orbits.\n const points = this.orbitPoints || [];\n let filteredPoints: THREE.Vector3[] = [];\n points.forEach((vertex, idx) => {\n // Drop last point because it's a repeat of the first point.\n if (\n idx === points.length - 1 &&\n this.orbitType === OrbitType.ELLIPTICAL ||\n (idx % (this.options.orbitPathSettings?.eclipticLineSparsity ?? 1) != 0)\n ) {\n return;\n }\n filteredPoints.push(vertex);\n filteredPoints.push(new THREE.Vector3(vertex.x, vertex.y, 0));\n });\n const geometry = new THREE.BufferGeometry().setFromPoints(filteredPoints);\n\n this.eclipticDropLines = new THREE.LineSegments(\n geometry,\n new THREE.LineBasicMaterial({\n color: this.options.eclipticLineColor || 0x333333,\n blending: THREE.AdditiveBlending,\n }),\n );\n\n return this.eclipticDropLines;\n }\n\n /**\n * Get the color of this orbit.\n * @return {Number} The hexadecimal color of the orbital ellipse.\n */\n getHexColor(): number {\n return (this.getOrbitShape().material as LineBasicMaterial).color.getHex();\n }\n\n /**\n * @param {Number} hexVal The hexadecimal color of the orbital ellipse.\n */\n setHexColor(hexVal: number) {\n (this.getOrbitShape().material as LineBasicMaterial).color =\n new THREE.Color(hexVal);\n }\n\n /**\n * Get the visibility of this orbit.\n * @return {boolean} Whether the orbital ellipse is visible. Note that\n * although the ellipse may not be visible, it is still present in the\n * underlying Scene and Simultation.\n */\n getVisibility(): boolean {\n return this.getOrbitShape().visible;\n }\n\n /**\n * Change the visibility of this orbit.\n * @param {boolean} val Whether to show the orbital ellipse.\n */\n setVisibility(val: boolean) {\n this.getOrbitShape().visible = val;\n this.getLinesToEcliptic().visible = val;\n }\n\n /**\n * Free up GPU resources\n */\n removalCleanup() {\n if (this.orbitShape) {\n this.orbitShape.geometry.dispose();\n (this.orbitShape.material as LineBasicMaterial).dispose();\n }\n if (this.eclipticDropLines) {\n this.eclipticDropLines.geometry.dispose();\n (this.eclipticDropLines.material as LineBasicMaterial).dispose();\n }\n }\n\n /**\n * Get the type of orbit. Returns one of OrbitType.PARABOLIC, HYPERBOLIC,\n * ELLIPTICAL, or UNKNOWN.\n * @param {(Ephem | EphemerisTable)} Ephemeris\n * @return {OrbitType} Name of orbit type\n */\n static getOrbitType(ephem: Ephem | EphemerisTable): OrbitType {\n if (ephem instanceof EphemerisTable) {\n return OrbitType.TABLE;\n }\n\n const e = ephem.get('e');\n if (e >= 0.999 && e < 1.2) {\n return OrbitType.PARABOLIC;\n }\n if (e > 1.2) {\n return OrbitType.HYPERBOLIC;\n }\n return OrbitType.ELLIPTICAL;\n }\n}\n", "import * as THREE from 'three';\n// @ts-ignore\nimport julian from 'julian';\nimport Stats from 'three/examples/jsm/libs/stats.module.js';\nimport {\n BloomEffect,\n EffectComposer,\n EffectPass,\n RenderPass,\n // @ts-ignore\n} from 'postprocessing';\n\nimport type { Scene, Object3D, Vector3, WebGLRenderer } from 'three';\n\nimport Camera from './Camera';\nimport { KeplerParticles } from './KeplerParticles';\nimport { NaturalSatellites } from './EphemPresets';\nimport { ShapeObject } from './ShapeObject';\nimport { Skybox } from './Skybox';\nimport { SpaceObject } from './SpaceObject';\nimport { SphereObject } from './SphereObject';\nimport { StaticParticles } from './StaticParticles';\nimport { Stars } from './Stars';\nimport { getDefaultBasePath } from './util';\nimport { setScaleFactor, rescaleArray } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\n\n// TODO(ian): Make this an interface.\nexport interface SimulationObject {\n update: (jd: number, force: boolean) => void;\n get3jsObjects(): THREE.Object3D[];\n getId(): string;\n removalCleanup: () => void;\n setVisibility: (visible: boolean) => void;\n isVisible: () => boolean;\n}\n\ninterface CameraOptions {\n initialPosition?: Coordinate3d;\n enableDrift?: boolean;\n}\n\ninterface DebugOptions {\n showAxes?: boolean;\n showGrid?: boolean;\n showStats?: boolean;\n}\n\ninterface SpacekitOptions {\n basePath: string;\n startDate?: Date;\n jd?: number;\n jdDelta?: number;\n jdPerSecond?: number;\n unitsPerAu?: number;\n startPaused?: boolean;\n maxNumParticles?: number;\n particleTextureUrl?: string;\n particleDefaultSize?: number;\n camera?: CameraOptions;\n debug?: DebugOptions;\n}\n\nexport interface SimulationContext {\n simulation: Simulation;\n options: SpacekitOptions;\n objects: {\n renderer: WebGLRenderer;\n camera: Camera;\n scene: Scene;\n particles: KeplerParticles;\n composer?: EffectComposer;\n };\n container: {\n width: number;\n height: number;\n };\n}\n\n/**\n * The main entrypoint of a visualization.\n *\n * This class wraps a THREE.js scene, controls, skybox, etc in an animated\n * Simulation.\n *\n * @example\n * ```\n * const sim = new Spacekit.Simulation(document.getElementById('my-container'), {\n * basePath: '../path/to/assets',\n * startDate: Date.now(),\n * jd: 0.0,\n * jdDelta: 10.0,\n * jdPerSecond: 100.0, // overrides jdDelta\n * startPaused: false,\n * unitsPerAu: 1.0,\n * maxNumParticles: 2**16,\n * camera: {\n * initialPosition: [0, -10, 5],\n * enableDrift: false,\n * },\n * debug: {\n * showAxes: false,\n * showGrid: false,\n * showStats: false,\n * },\n * });\n * ```\n */\nexport class Simulation {\n public onTick?: () => void;\n\n private simulationElt: HTMLCanvasElement;\n\n private options: SpacekitOptions;\n\n private jd: number;\n\n private jdDelta?: number;\n\n private jdPerSecond: number;\n\n private isPaused: boolean;\n\n private enableCameraDrift: boolean;\n\n private cameraDefaultPos: Coordinate3d;\n\n private camera: Camera;\n\n private useLightSources: boolean;\n\n private lightPosition?: Vector3;\n\n private subscribedObjects: Record;\n\n private neverUpdatedObjects: Set;\n\n private particles: KeplerParticles;\n\n private stats?: Stats;\n\n private fps: number;\n\n private lastUpdatedTime: number;\n\n private lastStaticCameraUpdateTime: number;\n\n private lastResizeUpdateTime: number;\n\n private renderEnabled: boolean;\n\n private initialRenderComplete: boolean;\n\n private scene: Scene;\n\n private renderer: WebGLRenderer;\n\n private composer?: EffectComposer;\n\n /**\n * @param {HTMLCanvasElement} simulationElt The container for this simulation.\n * @param {Object} options for simulation\n * @param {String} options.basePath Path to simulation assets and data\n * @param {Date} options.startDate The start date and time for this\n * simulation.\n * @param {Number} options.jd The JD date of this simulation.\n * Defaults to 0\n * @param {Number} options.jdDelta The number of JD to add every tick of\n * the simulation.\n * @param {Number} options.jdPerSecond The number of jd to add every second.\n * Use this instead of `jdDelta` for constant motion that does not vary with\n * framerate. Defaults to 100.\n * @param {Number} options.unitsPerAu The number of \"position\" units in the\n * simulation that represent an AU. This is an optional setting that you may\n * use if the default (1 unit = 1 AU) is too small for your simulation (e.g.\n * if you are representing a planetary system). Depending on your graphics\n * card, you may begin to notice inaccuracies at fractional scales of GL\n * units, so it becomes necessary to scale the whole visualization. Defaults\n * to 1.0.\n * @param {boolean} options.startPaused Whether the simulation should start\n * in a paused state.\n * @param {Number} options.maxNumParticles The maximum number of particles in\n * the visualization. Try choosing a number that is larger than your\n * particles, but not too much larger. It's usually good enough to choose the\n * next highest power of 2. If you're not showing many particles (tens of\n * thousands+), you don't need to worry about this.\n * @param {String} options.particleTextureUrl The texture for the default\n * particle system.\n * @param {Number} options.particleDefaultSize The default size for the\n * particle system.\n * @param {Object} options.camera Options for camera\n * @param {Array.} options.camera.initialPosition Initial X, Y, Z\n * coordinates of the camera. Defaults to [0, -10, 5].\n * @param {boolean} options.camera.enableDrift Set true to have the camera\n * float around slightly. False by default.\n * @param {Object} options.debug Options dictating debug state.\n * @param {boolean} options.debug.showAxes Show X, Y, and Z axes\n * @param {boolean} options.debug.showGrid Show grid on XY plane\n * @param {boolean} options.debug.showStats Show FPS and other stats\n * (requires stats.js).\n */\n constructor(simulationElt: HTMLCanvasElement, options: SpacekitOptions) {\n this.simulationElt = simulationElt;\n this.options = options || {};\n this.options.basePath = this.options.basePath || getDefaultBasePath();\n\n this.jd =\n typeof this.options.jd === 'undefined'\n ? Number(julian(this.options.startDate || new Date()))\n : this.options.jd;\n this.jdDelta = this.options.jdDelta;\n this.jdPerSecond = this.options.jdPerSecond || 100;\n this.isPaused = options.startPaused || false;\n this.onTick = undefined;\n\n this.enableCameraDrift = false;\n this.cameraDefaultPos = rescaleArray([0, -10, 5]);\n if (this.options.camera) {\n this.enableCameraDrift = !!this.options.camera.enableDrift;\n if (this.options.camera.initialPosition) {\n this.cameraDefaultPos = rescaleArray(\n this.options.camera.initialPosition,\n );\n }\n }\n\n this.useLightSources = false;\n this.lightPosition = undefined;\n\n this.subscribedObjects = {};\n this.neverUpdatedObjects = new Set();\n\n // This makes controls.lookAt and other objects treat the positive Z axis\n // as \"up\" direction.\n THREE.Object3D.DEFAULT_UP = new THREE.Vector3(0, 0, 1);\n\n // Scale\n if (this.options.unitsPerAu) {\n setScaleFactor(this.options.unitsPerAu);\n }\n\n // stats.js panel\n this.stats = undefined;\n this.fps = 1;\n\n this.lastUpdatedTime = Date.now();\n this.lastStaticCameraUpdateTime = Date.now();\n this.lastResizeUpdateTime = Date.now();\n\n // Rendering\n this.renderEnabled = true;\n this.initialRenderComplete = false;\n this.animate = this.animate.bind(this);\n\n this.renderer = this.initRenderer();\n this.scene = new THREE.Scene();\n this.camera = new Camera(this.getContext());\n this.composer = undefined;\n\n // Orbit particle system must be initialized after scene is created and\n // scale is set.\n this.particles = new KeplerParticles(\n {\n textureUrl:\n this.options.particleTextureUrl ||\n '{{assets}}/sprites/smallparticle.png',\n jd: this.jd,\n maxNumParticles: this.options.maxNumParticles,\n defaultSize: this.options.particleDefaultSize,\n },\n this,\n );\n\n this.init();\n this.animate();\n }\n\n /**\n * @private\n */\n private init() {\n // Camera\n this.camera\n .get3jsCamera()\n .position.set(\n this.cameraDefaultPos[0],\n this.cameraDefaultPos[1],\n this.cameraDefaultPos[2],\n );\n // window.cam = camera.get3jsCamera();\n\n // Events\n this.simulationElt.onmousedown = this.simulationElt.ontouchstart = () => {\n // When user begins interacting with the visualization, disable camera\n // drift.\n this.enableCameraDrift = false;\n };\n\n (() => {\n let listenToCameraEvents = false;\n this.camera.get3jsCameraControls().addEventListener('change', () => {\n // Camera will send a few initial events - ignore these.\n if (listenToCameraEvents) {\n this.staticForcedUpdate();\n }\n });\n setTimeout(() => {\n // Send an update when the visualization is done loading.\n this.staticForcedUpdate();\n listenToCameraEvents = true;\n this.initialRenderComplete = true;\n }, 0);\n })();\n\n this.simulationElt.addEventListener('resize', () => {\n this.resizeUpdate();\n });\n\n window.addEventListener('resize', () => {\n this.resizeUpdate();\n });\n\n // Helper\n if (this.options.debug) {\n if (this.options.debug.showGrid) {\n const gridHelper = new THREE.GridHelper(undefined, undefined);\n gridHelper.geometry.rotateX(Math.PI / 2);\n this.scene.add(gridHelper);\n }\n if (this.options.debug.showAxes) {\n this.scene.add(new THREE.AxesHelper(0.5));\n }\n if (this.options.debug.showStats) {\n this.stats = new (Stats as any)();\n this.stats!.showPanel(0);\n this.simulationElt.appendChild(this.stats!.dom);\n }\n }\n\n // Set up effect composer, etc.\n this.initPasses();\n }\n\n /**\n * @private\n */\n private initRenderer(): THREE.WebGLRenderer {\n // TODO(ian): Upgrade to webgl 2. See https://discourse.threejs.org/t/webgl2-breaking-custom-shader/16603/4\n const renderer = new THREE.WebGLRenderer({\n antialias: true,\n //logarithmicDepthBuffer: true,\n });\n console.info(\n 'Max texture resolution:',\n renderer.capabilities.maxTextureSize,\n );\n\n const maxPrecision = renderer.capabilities.getMaxPrecision('highp');\n if (maxPrecision !== 'highp') {\n console.warn(\n `Shader maximum precision is \"${maxPrecision}\", GPU rendering may not be accurate.`,\n );\n }\n\n renderer.setPixelRatio(window.devicePixelRatio);\n renderer.setSize(\n this.simulationElt.offsetWidth,\n this.simulationElt.offsetHeight,\n );\n\n this.simulationElt.appendChild(renderer.domElement);\n\n return renderer;\n }\n\n /**\n * @private\n */\n private initPasses() {\n //const smaaEffect = new SMAAEffect(assets.get(\"smaa-search\"), assets.get(\"smaa-area\"));\n //smaaEffect.colorEdgesMaterial.setEdgeDetectionThreshold(0.065);\n\n const camera = this.camera.get3jsCamera();\n\n /*\n const sunGeometry = new THREE.SphereBufferGeometry(\n rescaleNumber(0.004),\n 16,\n );\n const sunMaterial = new THREE.MeshBasicMaterial({\n color: 0xffddaa,\n transparent: true,\n depthWrite: false,\n fog: false,\n });\n const sun = new THREE.Mesh(sunGeometry, sunMaterial);\n const rescaled = rescaleArray([0.1, 0.1, 0.0]);\n sun.position.set(rescaled[0], rescaled[1], rescaled[2]);\n sun.updateMatrix();\n sun.updateMatrixWorld();\n\n const godRaysEffect = new GodRaysEffect(camera, sun, {\n color: 0xfff5f2,\n blur: false,\n });\n */\n //godRaysEffect.dithering = true;\n\n const bloomEffect = new BloomEffect({\n width: 240,\n height: 240,\n luminanceThreshold: 0.2,\n });\n bloomEffect.blendMode.opacity.value = 2.3;\n\n const renderPass = new RenderPass(this.scene, camera);\n renderPass.renderToScreen = false;\n\n const effectPass = new EffectPass(\n camera,\n /*smaaEffect, godRaysEffect*/ bloomEffect,\n );\n effectPass.renderToScreen = true;\n\n const composer = new EffectComposer(this.renderer);\n composer.addPass(renderPass);\n composer.addPass(effectPass);\n this.composer = composer;\n }\n\n /**\n * @private\n */\n private update(force = false) {\n for (const objId in this.subscribedObjects) {\n if (this.subscribedObjects.hasOwnProperty(objId) && !this.neverUpdatedObjects.has(objId)) {\n const obj = this.subscribedObjects[objId];\n if (obj.isVisible()) { // dont update if not visible\n obj.update(this.jd, force);\n }\n }\n }\n }\n\n /**\n * Performs a forced update of all elements in the view. This is used for when the system isn't animating but the\n * objects need to update their data to properly capture things like updated label positions.\n * @private\n */\n private staticForcedUpdate() {\n if (this.isPaused) {\n const now = Date.now();\n const timeDelta = now - this.lastStaticCameraUpdateTime;\n const threshold = 30;\n // TODO(ian): Also do this based on viewport change. Otherwise things like scrolling don't work well.\n if (timeDelta > threshold) {\n this.update(true /* force */);\n this.lastStaticCameraUpdateTime = now;\n }\n }\n }\n\n /**\n * @private\n * Updates the size of the control and forces a refresh of components whenever the control is being resized.\n */\n private resizeUpdate() {\n const now = Date.now();\n const timeDelta = now - this.lastResizeUpdateTime;\n const threshold = 30;\n\n if (timeDelta > threshold) {\n const newWidth = this.simulationElt.offsetWidth;\n const newHeight = this.simulationElt.offsetHeight;\n if (newWidth === 0 && newHeight === 0) {\n return;\n }\n const camera = this.camera.get3jsCamera();\n camera.aspect = newWidth / newHeight;\n camera.updateProjectionMatrix();\n this.renderer.setSize(newWidth, newHeight);\n this.staticForcedUpdate();\n this.lastResizeUpdateTime = now;\n }\n }\n\n /**\n * @private\n * TODO(ian): Move this into Camera\n */\n private doCameraDrift() {\n // Follow floating path around\n const timer = 0.0001 * Date.now();\n const pos = this.cameraDefaultPos;\n const cam = this.camera.get3jsCamera();\n cam.position.x = pos[0] + (pos[0] * (Math.cos(timer) + 1)) / 3;\n cam.position.z = pos[2] + (pos[2] * (Math.sin(timer) + 1)) / 3;\n }\n\n /**\n * @private\n */\n private animate() {\n if (!this.renderEnabled && this.initialRenderComplete) {\n return;\n }\n\n window.requestAnimationFrame(this.animate);\n\n if (this.stats) {\n this.stats.begin();\n }\n\n if (!this.isPaused) {\n if (this.jdDelta) {\n this.jd += this.jdDelta;\n } else {\n // N jd per second\n this.jd += this.jdPerSecond / this.fps;\n }\n\n const timeDelta = (Date.now() - this.lastUpdatedTime) / 1000;\n this.lastUpdatedTime = Date.now();\n this.fps = 1 / timeDelta || 1;\n\n // Update objects in this simulation\n this.update();\n }\n\n // Update camera drifting, if applicable\n if (this.enableCameraDrift) {\n this.doCameraDrift();\n }\n this.camera.update();\n\n // Update three.js scene\n this.renderer.render(this.scene, this.camera.get3jsCamera());\n //this.composer.render(0.1);\n\n if (this.onTick) {\n this.onTick();\n }\n\n if (this.stats) {\n this.stats.end();\n }\n }\n\n /**\n * Add a spacekit object (usually a SpaceObject) to the visualization.\n * @see SpaceObject\n * @param {Object} obj Object to add to visualization\n * @param {boolean} noUpdate Set to true if object does not need to be\n * animated.\n */\n addObject(obj: SimulationObject, noUpdate: boolean = false) {\n obj.get3jsObjects().map((x) => {\n this.scene.add(x);\n });\n\n // Call for updates as time passes.\n const objId = obj.getId();\n if (this.subscribedObjects[objId]) {\n console.error(\n `Object id is not unique: \"${objId}\". This could prevent objects from updating correctly.`,\n );\n }\n\n this.subscribedObjects[objId] = obj;\n if (noUpdate) {\n this.neverUpdatedObjects.add(obj.getId());\n }\n }\n\n /**\n * Get an object previously added to the simulation.\n * @return {Object} The SimulationObject.\n */\n getObject(id: string): SimulationObject | undefined {\n return this.subscribedObjects[id];\n }\n\n /**\n * Removes an object from the visualization.\n * @param {Object} obj Object to remove\n */\n removeObject(obj: SimulationObject) {\n if (!this.subscribedObjects[obj.getId()]) {\n return // already removed\n }\n\n // TODO(ian): test this and avoid memory leaks...\n obj.get3jsObjects().map((x) => {\n this.scene.remove(x);\n });\n\n if (typeof obj.removalCleanup === 'function') {\n obj.removalCleanup();\n }\n delete this.subscribedObjects[obj.getId()];\n this.neverUpdatedObjects.delete(obj.getId());\n }\n\n /**\n * Removes all objects from the visualization and free all resources.\n */\n removalCleanup() {\n this.renderEnabled = false;\n\n for (const objId in this.subscribedObjects) {\n if (this.subscribedObjects.hasOwnProperty(objId)) {\n this.removeObject(this.subscribedObjects[objId]);\n }\n }\n\n const renderer = this.getRenderer();\n renderer.dispose();\n renderer.domElement.remove();\n this.scene.clear();\n renderer.forceContextLoss();\n }\n\n /**\n * Shortcut for creating a new SpaceObject belonging to this visualization.\n * Takes any SpaceObject arguments.\n * @see SpaceObject\n */\n // @ts-ignore\n createObject(...args): SpaceObject {\n // @ts-ignore\n return new SpaceObject(...args, this);\n }\n\n /**\n * Shortcut for creating a new ShapeObject belonging to this visualization.\n * Takes any ShapeObject arguments.\n * @see ShapeObject\n */\n // @ts-ignore\n createShape(...args): ShapeObject {\n // @ts-ignore\n return new ShapeObject(...args, this);\n }\n\n /**\n * Shortcut for creating a new SphereOjbect belonging to this visualization.\n * Takes any SphereObject arguments.\n * @see SphereObject\n */\n // @ts-ignore\n createSphere(...args): SphereObject {\n // @ts-ignore\n return new SphereObject(...args, this);\n }\n\n /**\n * Shortcut for creating a new StaticParticles object belonging to this visualization.\n * Takes any StaticParticles arguments.\n * @see SphereObject\n */\n // @ts-ignore\n createStaticParticles(...args): StaticParticles {\n // @ts-ignore\n return new StaticParticles(...args, this);\n }\n\n /**\n * Shortcut for creating a new Skybox belonging to this visualization. Takes\n * any Skybox arguments.\n * @see Skybox\n */\n // @ts-ignore\n createSkybox(...args): Skybox {\n // @ts-ignore\n return new Skybox(...args, this);\n }\n\n /**\n * Shortcut for creating a new Stars object belonging to this visualization.\n * Takes any Stars arguments.\n * @see Stars\n */\n // @ts-ignore\n createStars(...args): Stars {\n if (args.length) {\n // @ts-ignore\n return new Stars(...args, this);\n }\n // No arguments supplied\n return new Stars({}, this);\n }\n\n /**\n * Creates an ambient light source. This will dimly light everything in the\n * visualization.\n * @param {Number} color Color of light, default 0x333333\n */\n createAmbientLight(color: number = 0x333333) {\n const light = new THREE.AmbientLight(color);\n light.name = 'ambient-light';\n this.scene.add(light);\n this.useLightSources = true;\n }\n\n /**\n * Creates a light source. This will make the shape of your objects visible\n * and provide some contrast.\n * @param {Array.} pos Position of light source. Defaults to moving\n * with camera.\n * @param {Number} color Color of light, default 0xFFFFFF\n */\n createLight(\n pos: Coordinate3d | undefined = undefined,\n color: number = 0xffffff,\n ) {\n if (this.lightPosition) {\n console.warn(\n \"Spacekit doesn't support more than one light source for SphereObjects\",\n );\n }\n this.lightPosition = new THREE.Vector3();\n\n // Pointlight is for standard meshes created by ShapeObjects.\n // TODO(ian): Remove this point light.\n const pointLight = new THREE.PointLight();\n\n if (typeof pos === 'undefined') {\n // The light comes from the camera.\n // FIXME(ian): This only affects the point source.\n this.camera.get3jsCameraControls().addEventListener('change', () => {\n this.lightPosition!.copy(this.camera.get3jsCamera().position);\n pointLight.position.copy(this.camera.get3jsCamera().position);\n });\n } else {\n const rescaled = rescaleArray(pos);\n this.lightPosition.set(rescaled[0], rescaled[1], rescaled[2]);\n pointLight.position.set(rescaled[0], rescaled[1], rescaled[2]);\n }\n\n pointLight.name = 'point-light';\n this.scene.add(pointLight);\n this.useLightSources = true;\n }\n\n getLightPosition(): Vector3 | undefined {\n return this.lightPosition;\n }\n\n isUsingLightSources(): boolean {\n return this.useLightSources;\n }\n\n /**\n * Returns a promise that receives a NaturalSatellites object when it is\n * resolved.\n * @return {Promise} NaturalSatellites object that is\n * ready to load.\n *\n * @see {NaturalSatellites}\n */\n loadNaturalSatellites(): Promise {\n return new NaturalSatellites(this).load();\n }\n\n /**\n * Installs a scroll handler that only renders the visualization while it is\n * in the user's viewport.\n *\n * The scroll handler currently binds to the window object only.\n */\n renderOnlyInViewport() {\n let previouslyInView = true;\n const isInView = () => {\n const rect = this.simulationElt.getBoundingClientRect();\n const windowHeight =\n window.innerHeight || document.documentElement.clientHeight;\n const windowWidth =\n window.innerWidth || document.documentElement.clientWidth;\n const vertInView =\n rect.top <= windowHeight && rect.top + rect.height >= 0;\n const horInView = rect.left <= windowWidth && rect.left + rect.width >= 0;\n\n return vertInView && horInView;\n };\n\n window.addEventListener('scroll', () => {\n const inView = isInView();\n if (previouslyInView && !inView) {\n // Went out of view\n this.renderEnabled = false;\n previouslyInView = false;\n } else if (!previouslyInView && inView) {\n // Came into view\n this.renderEnabled = true;\n window.requestAnimationFrame(this.animate);\n previouslyInView = true;\n }\n });\n\n if (!isInView()) {\n // Initial state is render enabled, so disable it if currently out of\n // view.\n this.renderEnabled = false;\n previouslyInView = false;\n }\n }\n\n /**\n * Adjust camera position so that the object fits within the viewport. If\n * applicable, this function will fit around the object's orbit.\n * @param {SpaceObject} spaceObj Object to fit within viewport.\n * @param {Number} offset Add some extra room in the viewport. Increase to be\n * further zoomed out, decrease to be closer. Default 3.0.\n */\n async zoomToFit(\n spaceObj: SpaceObject,\n offset: number = 3.0,\n ): Promise {\n const orbit = spaceObj.getOrbit();\n const obj = orbit\n ? orbit.getOrbitShape()\n : await spaceObj.getBoundingObject();\n if (obj) {\n this.doZoomToFit(obj, offset);\n return true;\n }\n return false;\n }\n\n /**\n * @private\n * Perform the actual zoom to fit behavior.\n * @param {Object3D} obj Three.js object to fit within viewport.\n * @param {Number} offset Add some extra room in the viewport. Increase to be\n * further zoomed out, decrease to be closer. Default 3.0.\n */\n private doZoomToFit(obj: Object3D, offset: number) {\n const boundingBox = new THREE.Box3();\n boundingBox.setFromObject(obj);\n\n const center = new THREE.Vector3();\n boundingBox.getCenter(center);\n const size = new THREE.Vector3();\n boundingBox.getSize(size);\n\n // Get the max side of the bounding box (fits to width OR height as needed)\n const camera = this.camera.get3jsCamera();\n const maxDim = Math.max(size.x, size.y, size.z);\n const fov = camera.fov * (Math.PI / 180);\n const cameraZ = Math.abs((maxDim / 2) * Math.tan(fov * 2)) * offset;\n\n const objectWorldPosition = new THREE.Vector3();\n obj.getWorldPosition(objectWorldPosition);\n const directionVector = camera.position.sub(objectWorldPosition); // Get vector from camera to object\n const unitDirectionVector = directionVector.normalize(); // Convert to unit vector\n\n const newpos = unitDirectionVector.multiplyScalar(cameraZ);\n camera.position.x = newpos.x;\n camera.position.y = newpos.y;\n camera.position.z = newpos.z;\n camera.updateProjectionMatrix();\n\n // Update default camera pos so if drift is on, camera will drift around\n // its new position.\n this.cameraDefaultPos = [newpos.x, newpos.y, newpos.z];\n }\n\n /**\n * Run the animation\n */\n start() {\n this.lastUpdatedTime = Date.now();\n this.isPaused = false;\n }\n\n /**\n * Stop the animation\n */\n stop() {\n this.isPaused = true;\n }\n\n /**\n * Gets the current JD date of the simulation\n * @return {Number} JD date\n */\n getJd(): number {\n return this.jd;\n }\n\n /**\n * Sets the JD date of the simulation.\n * @param {Number} val JD date\n */\n setJd(val: number) {\n this.jd = val;\n this.update(true);\n }\n\n /**\n * Get a date object representing local date and time of the simulation.\n * @return {Date} Date of simulation\n */\n getDate(): Date {\n return julian.toDate(this.jd);\n }\n\n /**\n * Set the local date and time of the simulation.\n * @param {Date} date Date of simulation\n */\n setDate(date: Date) {\n this.setJd(Number(julian(date)));\n }\n\n /**\n * Get the JD per frame of the visualization.\n */\n getJdDelta() {\n if (!this.jdDelta) {\n return this.jdPerSecond / this.fps;\n }\n return this.jdDelta;\n }\n\n /**\n * Set the JD per frame of the visualization. This will override any\n * existing \"JD per second\" setting.\n * @param {Number} delta JD per frame\n */\n setJdDelta(delta: number) {\n this.jdDelta = delta;\n }\n\n /**\n * Get the JD change per second of the visualization.\n * @return {Number | undefined} JD per second, undefined if jd per second is\n * not set.\n */\n getJdPerSecond(): number | undefined {\n if (this.jdDelta) {\n // Jd per second can vary\n return undefined;\n }\n return this.jdPerSecond;\n }\n\n /**\n * Set the JD change per second of the visualization.\n * @param {Number} x JD per second\n */\n setJdPerSecond(x: number) {\n // Delta overrides jd per second, so unset it.\n this.jdDelta = undefined;\n\n this.jdPerSecond = x;\n }\n\n /**\n * Get an object that contains useful context for this visualization\n * @return {Object} Context object\n */\n getContext(): SimulationContext {\n return {\n simulation: this,\n options: this.options,\n objects: {\n particles: this.particles,\n camera: this.camera,\n scene: this.scene,\n renderer: this.renderer,\n composer: this.composer,\n },\n container: {\n width: this.simulationElt.offsetWidth,\n height: this.simulationElt.offsetHeight,\n },\n };\n }\n\n /**\n * Get the element containing this simulation\n * @return {HTMLElement} The html container of this simulation\n */\n getSimulationElement(): HTMLCanvasElement {\n return this.simulationElt;\n }\n\n /**\n * Get the Camera and CameraControls wrapper object\n * @return {Camera} The Camera wrapper\n */\n getViewer(): Camera {\n return this.camera;\n }\n\n /**\n * Get the three.js scene object\n * @return {THREE.Scene} The THREE.js scene object\n */\n getScene(): THREE.Scene {\n return this.scene;\n }\n\n /**\n * Get the three.js renderer\n * @return {THREE.WebGLRenderer} The THREE.js renderer\n */\n getRenderer(): THREE.WebGLRenderer {\n return this.renderer;\n }\n\n /**\n * Enable or disable camera drift.\n * @param {boolean} driftOn True if you want the camera to float around a bit\n */\n setCameraDrift(driftOn: boolean) {\n this.enableCameraDrift = driftOn;\n }\n}\n\nexport default Simulation;\n", "var Stats = function () {\n\n\tvar mode = 0;\n\n\tvar container = document.createElement( 'div' );\n\tcontainer.style.cssText = 'position:fixed;top:0;left:0;cursor:pointer;opacity:0.9;z-index:10000';\n\tcontainer.addEventListener( 'click', function ( event ) {\n\n\t\tevent.preventDefault();\n\t\tshowPanel( ++ mode % container.children.length );\n\n\t}, false );\n\n\t//\n\n\tfunction addPanel( panel ) {\n\n\t\tcontainer.appendChild( panel.dom );\n\t\treturn panel;\n\n\t}\n\n\tfunction showPanel( id ) {\n\n\t\tfor ( var i = 0; i < container.children.length; i ++ ) {\n\n\t\t\tcontainer.children[ i ].style.display = i === id ? 'block' : 'none';\n\n\t\t}\n\n\t\tmode = id;\n\n\t}\n\n\t//\n\n\tvar beginTime = ( performance || Date ).now(), prevTime = beginTime, frames = 0;\n\n\tvar fpsPanel = addPanel( new Stats.Panel( 'FPS', '#0ff', '#002' ) );\n\tvar msPanel = addPanel( new Stats.Panel( 'MS', '#0f0', '#020' ) );\n\n\tif ( self.performance && self.performance.memory ) {\n\n\t\tvar memPanel = addPanel( new Stats.Panel( 'MB', '#f08', '#201' ) );\n\n\t}\n\n\tshowPanel( 0 );\n\n\treturn {\n\n\t\tREVISION: 16,\n\n\t\tdom: container,\n\n\t\taddPanel: addPanel,\n\t\tshowPanel: showPanel,\n\n\t\tbegin: function () {\n\n\t\t\tbeginTime = ( performance || Date ).now();\n\n\t\t},\n\n\t\tend: function () {\n\n\t\t\tframes ++;\n\n\t\t\tvar time = ( performance || Date ).now();\n\n\t\t\tmsPanel.update( time - beginTime, 200 );\n\n\t\t\tif ( time >= prevTime + 1000 ) {\n\n\t\t\t\tfpsPanel.update( ( frames * 1000 ) / ( time - prevTime ), 100 );\n\n\t\t\t\tprevTime = time;\n\t\t\t\tframes = 0;\n\n\t\t\t\tif ( memPanel ) {\n\n\t\t\t\t\tvar memory = performance.memory;\n\t\t\t\t\tmemPanel.update( memory.usedJSHeapSize / 1048576, memory.jsHeapSizeLimit / 1048576 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn time;\n\n\t\t},\n\n\t\tupdate: function () {\n\n\t\t\tbeginTime = this.end();\n\n\t\t},\n\n\t\t// Backwards Compatibility\n\n\t\tdomElement: container,\n\t\tsetMode: showPanel\n\n\t};\n\n};\n\nStats.Panel = function ( name, fg, bg ) {\n\n\tvar min = Infinity, max = 0, round = Math.round;\n\tvar PR = round( window.devicePixelRatio || 1 );\n\n\tvar WIDTH = 80 * PR, HEIGHT = 48 * PR,\n\t\tTEXT_X = 3 * PR, TEXT_Y = 2 * PR,\n\t\tGRAPH_X = 3 * PR, GRAPH_Y = 15 * PR,\n\t\tGRAPH_WIDTH = 74 * PR, GRAPH_HEIGHT = 30 * PR;\n\n\tvar canvas = document.createElement( 'canvas' );\n\tcanvas.width = WIDTH;\n\tcanvas.height = HEIGHT;\n\tcanvas.style.cssText = 'width:80px;height:48px';\n\n\tvar context = canvas.getContext( '2d' );\n\tcontext.font = 'bold ' + ( 9 * PR ) + 'px Helvetica,Arial,sans-serif';\n\tcontext.textBaseline = 'top';\n\n\tcontext.fillStyle = bg;\n\tcontext.fillRect( 0, 0, WIDTH, HEIGHT );\n\n\tcontext.fillStyle = fg;\n\tcontext.fillText( name, TEXT_X, TEXT_Y );\n\tcontext.fillRect( GRAPH_X, GRAPH_Y, GRAPH_WIDTH, GRAPH_HEIGHT );\n\n\tcontext.fillStyle = bg;\n\tcontext.globalAlpha = 0.9;\n\tcontext.fillRect( GRAPH_X, GRAPH_Y, GRAPH_WIDTH, GRAPH_HEIGHT );\n\n\treturn {\n\n\t\tdom: canvas,\n\n\t\tupdate: function ( value, maxValue ) {\n\n\t\t\tmin = Math.min( min, value );\n\t\t\tmax = Math.max( max, value );\n\n\t\t\tcontext.fillStyle = bg;\n\t\t\tcontext.globalAlpha = 1;\n\t\t\tcontext.fillRect( 0, 0, WIDTH, GRAPH_Y );\n\t\t\tcontext.fillStyle = fg;\n\t\t\tcontext.fillText( round( value ) + ' ' + name + ' (' + round( min ) + '-' + round( max ) + ')', TEXT_X, TEXT_Y );\n\n\t\t\tcontext.drawImage( canvas, GRAPH_X + PR, GRAPH_Y, GRAPH_WIDTH - PR, GRAPH_HEIGHT, GRAPH_X, GRAPH_Y, GRAPH_WIDTH - PR, GRAPH_HEIGHT );\n\n\t\t\tcontext.fillRect( GRAPH_X + GRAPH_WIDTH - PR, GRAPH_Y, PR, GRAPH_HEIGHT );\n\n\t\t\tcontext.fillStyle = bg;\n\t\t\tcontext.globalAlpha = 0.9;\n\t\t\tcontext.fillRect( GRAPH_X + GRAPH_WIDTH - PR, GRAPH_Y, PR, round( ( 1 - ( value / maxValue ) ) * GRAPH_HEIGHT ) );\n\n\t\t}\n\n\t};\n\n};\n\nexport default Stats;\n", "/**\n * postprocessing v6.36.7 build Thu Feb 06 2025\n * https://github.com/pmndrs/postprocessing\n * Copyright 2015-2025 Raoul van R\u00FCschen\n * @license Zlib\n */\n\n// package.json\nvar version = \"6.36.7\";\n\n// src/core/Disposable.js\nvar Disposable = class {\n /**\n * Frees internal resources.\n */\n dispose() {\n }\n};\n\n// src/core/EffectComposer.js\nimport {\n DepthStencilFormat,\n DepthTexture,\n LinearFilter as LinearFilter2,\n SRGBColorSpace as SRGBColorSpace2,\n UnsignedByteType as UnsignedByteType2,\n UnsignedIntType,\n UnsignedInt248Type,\n Vector2,\n WebGLRenderTarget as WebGLRenderTarget3\n} from \"three\";\n\n// src/core/Timer.js\nvar MILLISECONDS_TO_SECONDS = 1 / 1e3;\nvar SECONDS_TO_MILLISECONDS = 1e3;\nvar Timer = class {\n /**\n * Constructs a new timer.\n */\n constructor() {\n this.startTime = performance.now();\n this.previousTime = 0;\n this.currentTime = 0;\n this._delta = 0;\n this._elapsed = 0;\n this._fixedDelta = 1e3 / 60;\n this.timescale = 1;\n this.useFixedDelta = false;\n this._autoReset = false;\n }\n /**\n * Enables or disables auto reset based on page visibility.\n *\n * If enabled, the timer will be reset when the page becomes visible. This effectively pauses the timer when the page\n * is hidden. Has no effect if the API is not supported.\n *\n * @type {Boolean}\n * @see https://developer.mozilla.org/en-US/docs/Web/API/Page_Visibility_API\n */\n get autoReset() {\n return this._autoReset;\n }\n set autoReset(value) {\n if (typeof document !== \"undefined\" && document.hidden !== void 0) {\n if (value) {\n document.addEventListener(\"visibilitychange\", this);\n } else {\n document.removeEventListener(\"visibilitychange\", this);\n }\n this._autoReset = value;\n }\n }\n get delta() {\n return this._delta * MILLISECONDS_TO_SECONDS;\n }\n get fixedDelta() {\n return this._fixedDelta * MILLISECONDS_TO_SECONDS;\n }\n set fixedDelta(value) {\n this._fixedDelta = value * SECONDS_TO_MILLISECONDS;\n }\n get elapsed() {\n return this._elapsed * MILLISECONDS_TO_SECONDS;\n }\n /**\n * Updates this timer.\n *\n * @param {Boolean} [timestamp] - The current time in milliseconds.\n */\n update(timestamp) {\n if (this.useFixedDelta) {\n this._delta = this.fixedDelta;\n } else {\n this.previousTime = this.currentTime;\n this.currentTime = (timestamp !== void 0 ? timestamp : performance.now()) - this.startTime;\n this._delta = this.currentTime - this.previousTime;\n }\n this._delta *= this.timescale;\n this._elapsed += this._delta;\n }\n /**\n * Resets this timer.\n */\n reset() {\n this._delta = 0;\n this._elapsed = 0;\n this.currentTime = performance.now() - this.startTime;\n }\n getDelta() {\n return this.delta;\n }\n getElapsed() {\n return this.elapsed;\n }\n handleEvent(e) {\n if (!document.hidden) {\n this.currentTime = performance.now() - this.startTime;\n }\n }\n dispose() {\n this.autoReset = false;\n }\n};\n\n// src/passes/Pass.js\nimport {\n BasicDepthPacking,\n BufferAttribute,\n BufferGeometry,\n Camera,\n Material,\n Mesh,\n Scene,\n Texture,\n WebGLRenderTarget\n} from \"three\";\nvar fullscreenGeometry = /* @__PURE__ */ (() => {\n const vertices = new Float32Array([-1, -1, 0, 3, -1, 0, -1, 3, 0]);\n const uvs = new Float32Array([0, 0, 2, 0, 0, 2]);\n const geometry = new BufferGeometry();\n geometry.setAttribute(\"position\", new BufferAttribute(vertices, 3));\n geometry.setAttribute(\"uv\", new BufferAttribute(uvs, 2));\n return geometry;\n})();\nvar Pass = class _Pass {\n /**\n * A shared fullscreen triangle.\n *\n * The screen size is 2x2 units (NDC). A triangle needs to be 4x4 units to fill the screen.\n * @see https://michaldrobot.com/2014/04/01/gcn-execution-patterns-in-full-screen-passes/\n * @type {BufferGeometry}\n * @internal\n */\n static get fullscreenGeometry() {\n return fullscreenGeometry;\n }\n /**\n * Constructs a new pass.\n *\n * @param {String} [name] - The name of this pass. Does not have to be unique.\n * @param {Scene} [scene] - The scene to render. The default scene contains a single mesh that fills the screen.\n * @param {Camera} [camera] - A camera. Fullscreen effect passes don't require a camera.\n */\n constructor(name = \"Pass\", scene = new Scene(), camera = new Camera()) {\n this.name = name;\n this.renderer = null;\n this.scene = scene;\n this.camera = camera;\n this.screen = null;\n this.rtt = true;\n this.needsSwap = true;\n this.needsDepthTexture = false;\n this.enabled = true;\n }\n /**\n * Sets the render to screen flag.\n *\n * If this flag is changed, the fullscreen material will be updated as well.\n *\n * @type {Boolean}\n */\n get renderToScreen() {\n return !this.rtt;\n }\n set renderToScreen(value) {\n if (this.rtt === value) {\n const material = this.fullscreenMaterial;\n if (material !== null) {\n material.needsUpdate = true;\n }\n this.rtt = !value;\n }\n }\n /**\n * Sets the main scene.\n *\n * @type {Scene}\n */\n set mainScene(value) {\n }\n /**\n * Sets the main camera.\n *\n * @type {Camera}\n */\n set mainCamera(value) {\n }\n /**\n * Sets the renderer\n *\n * @deprecated\n * @param {WebGLRenderer} renderer - The renderer.\n */\n setRenderer(renderer) {\n this.renderer = renderer;\n }\n /**\n * Indicates whether this pass is enabled.\n *\n * @deprecated Use enabled instead.\n * @return {Boolean} Whether this pass is enabled.\n */\n isEnabled() {\n return this.enabled;\n }\n /**\n * Enables or disables this pass.\n *\n * @deprecated Use enabled instead.\n * @param {Boolean} value - Whether the pass should be enabled.\n */\n setEnabled(value) {\n this.enabled = value;\n }\n /**\n * The fullscreen material.\n *\n * @type {Material}\n */\n get fullscreenMaterial() {\n return this.screen !== null ? this.screen.material : null;\n }\n set fullscreenMaterial(value) {\n let screen = this.screen;\n if (screen !== null) {\n screen.material = value;\n } else {\n screen = new Mesh(_Pass.fullscreenGeometry, value);\n screen.frustumCulled = false;\n if (this.scene === null) {\n this.scene = new Scene();\n }\n this.scene.add(screen);\n this.screen = screen;\n }\n }\n /**\n * Returns the current fullscreen material.\n *\n * @deprecated Use fullscreenMaterial instead.\n * @return {Material} The current fullscreen material, or null if there is none.\n */\n getFullscreenMaterial() {\n return this.fullscreenMaterial;\n }\n /**\n * Sets the fullscreen material.\n *\n * @deprecated Use fullscreenMaterial instead.\n * @protected\n * @param {Material} value - A fullscreen material.\n */\n setFullscreenMaterial(value) {\n this.fullscreenMaterial = value;\n }\n /**\n * Returns the current depth texture.\n *\n * @return {Texture} The current depth texture, or null if there is none.\n */\n getDepthTexture() {\n return null;\n }\n /**\n * Sets the depth texture.\n *\n * This method will be called automatically by the {@link EffectComposer}.\n * You may override this method if your pass relies on the depth information of a preceding {@link RenderPass}.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategy} [depthPacking=BasicDepthPacking] - The depth packing.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking) {\n }\n /**\n * Renders this pass.\n *\n * This is an abstract method that must be overridden.\n *\n * @abstract\n * @throws {Error} An error is thrown if the method is not overridden.\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n throw new Error(\"Render method not implemented!\");\n }\n /**\n * Sets the size.\n *\n * You may override this method if you want to be informed about the size of the backbuffer/canvas.\n * This method is called before {@link initialize} and every time the size of the {@link EffectComposer} changes.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n }\n /**\n * Performs initialization tasks.\n *\n * This method is called when this pass is added to an {@link EffectComposer}.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n }\n /**\n * Performs a shallow search for disposable properties and deletes them.\n *\n * The {@link EffectComposer} calls this method when it is being destroyed. You can use it independently to free\n * memory when you're certain that you don't need this pass anymore.\n */\n dispose() {\n for (const key of Object.keys(this)) {\n const property = this[key];\n const isDisposable = property instanceof WebGLRenderTarget || property instanceof Material || property instanceof Texture || property instanceof _Pass;\n if (isDisposable) {\n this[key].dispose();\n }\n }\n if (this.fullscreenMaterial !== null) {\n this.fullscreenMaterial.dispose();\n }\n }\n};\n\n// src/passes/ClearMaskPass.js\nvar ClearMaskPass = class extends Pass {\n /**\n * Constructs a new clear mask pass.\n */\n constructor() {\n super(\"ClearMaskPass\", null, null);\n this.needsSwap = false;\n }\n /**\n * Disables the global stencil test.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const stencil = renderer.state.buffers.stencil;\n stencil.setLocked(false);\n stencil.setTest(false);\n }\n};\n\n// src/passes/CopyPass.js\nimport { LinearFilter, SRGBColorSpace, UnsignedByteType, WebGLRenderTarget as WebGLRenderTarget2 } from \"three\";\n\n// src/materials/CopyMaterial.js\nimport { NoBlending, ShaderMaterial, Uniform } from \"three\";\n\n// src/materials/glsl/copy.frag\nvar copy_default = \"#include \\n#include \\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform float opacity;varying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);gl_FragColor=opacity*texel;\\n#include \\n#include \\n}\";\n\n// src/materials/glsl/common.vert\nvar common_default = \"varying vec2 vUv;void main(){vUv=position.xy*0.5+0.5;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/CopyMaterial.js\nvar CopyMaterial = class extends ShaderMaterial {\n /**\n * Constructs a new copy material.\n */\n constructor() {\n super({\n name: \"CopyMaterial\",\n uniforms: {\n inputBuffer: new Uniform(null),\n opacity: new Uniform(1)\n },\n blending: NoBlending,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: copy_default,\n vertexShader: common_default\n });\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the input buffer.\n *\n * @deprecated Use inputBuffer instead.\n * @param {Number} value - The buffer.\n */\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Returns the opacity.\n *\n * @deprecated Use opacity instead.\n * @return {Number} The opacity.\n */\n getOpacity(value) {\n return this.uniforms.opacity.value;\n }\n /**\n * Sets the opacity.\n *\n * @deprecated Use opacity instead.\n * @param {Number} value - The opacity.\n */\n setOpacity(value) {\n this.uniforms.opacity.value = value;\n }\n};\n\n// src/passes/CopyPass.js\nvar CopyPass = class extends Pass {\n /**\n * Constructs a new save pass.\n *\n * @param {WebGLRenderTarget} [renderTarget] - A render target.\n * @param {Boolean} [autoResize=true] - Whether the render target size should be updated automatically.\n */\n constructor(renderTarget, autoResize = true) {\n super(\"CopyPass\");\n this.fullscreenMaterial = new CopyMaterial();\n this.needsSwap = false;\n this.renderTarget = renderTarget;\n if (renderTarget === void 0) {\n this.renderTarget = new WebGLRenderTarget2(1, 1, {\n minFilter: LinearFilter,\n magFilter: LinearFilter,\n stencilBuffer: false,\n depthBuffer: false\n });\n this.renderTarget.texture.name = \"CopyPass.Target\";\n }\n this.autoResize = autoResize;\n }\n /**\n * Enables or disables auto resizing of the render target.\n *\n * @deprecated Use autoResize instead.\n * @type {Boolean}\n */\n get resize() {\n return this.autoResize;\n }\n set resize(value) {\n this.autoResize = value;\n }\n /**\n * The output texture.\n *\n * @type {Texture}\n */\n get texture() {\n return this.renderTarget.texture;\n }\n /**\n * Returns the output texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.renderTarget.texture;\n }\n /**\n * Enables or disables auto resizing of the render target.\n *\n * @deprecated Use autoResize instead.\n * @param {Boolean} value - Whether the render target size should be updated automatically.\n */\n setAutoResizeEnabled(value) {\n this.autoResize = value;\n }\n /**\n * Saves the input buffer.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n this.fullscreenMaterial.inputBuffer = inputBuffer.texture;\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n renderer.render(this.scene, this.camera);\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n if (this.autoResize) {\n this.renderTarget.setSize(width, height);\n }\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - A renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0) {\n this.renderTarget.texture.type = frameBufferType;\n if (frameBufferType !== UnsignedByteType) {\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace) {\n this.renderTarget.texture.colorSpace = SRGBColorSpace;\n }\n }\n }\n};\n\n// src/passes/ClearPass.js\nimport { Color } from \"three\";\nvar color = /* @__PURE__ */ new Color();\nvar ClearPass = class extends Pass {\n /**\n * Constructs a new clear pass.\n *\n * @param {Boolean} [color=true] - Determines whether the color buffer should be cleared.\n * @param {Boolean} [depth=true] - Determines whether the depth buffer should be cleared.\n * @param {Boolean} [stencil=false] - Determines whether the stencil buffer should be cleared.\n */\n constructor(color2 = true, depth = true, stencil = false) {\n super(\"ClearPass\", null, null);\n this.needsSwap = false;\n this.color = color2;\n this.depth = depth;\n this.stencil = stencil;\n this.overrideClearColor = null;\n this.overrideClearAlpha = -1;\n }\n /**\n * Sets the clear flags.\n *\n * @param {Boolean} color - Whether the color buffer should be cleared.\n * @param {Boolean} depth - Whether the depth buffer should be cleared.\n * @param {Boolean} stencil - Whether the stencil buffer should be cleared.\n */\n setClearFlags(color2, depth, stencil) {\n this.color = color2;\n this.depth = depth;\n this.stencil = stencil;\n }\n /**\n * Returns the override clear color. Default is null.\n *\n * @deprecated Use overrideClearColor instead.\n * @return {Color} The clear color.\n */\n getOverrideClearColor() {\n return this.overrideClearColor;\n }\n /**\n * Sets the override clear color.\n *\n * @deprecated Use overrideClearColor instead.\n * @param {Color} value - The clear color.\n */\n setOverrideClearColor(value) {\n this.overrideClearColor = value;\n }\n /**\n * Returns the override clear alpha. Default is -1.\n *\n * @deprecated Use overrideClearAlpha instead.\n * @return {Number} The clear alpha.\n */\n getOverrideClearAlpha() {\n return this.overrideClearAlpha;\n }\n /**\n * Sets the override clear alpha.\n *\n * @deprecated Use overrideClearAlpha instead.\n * @param {Number} value - The clear alpha.\n */\n setOverrideClearAlpha(value) {\n this.overrideClearAlpha = value;\n }\n /**\n * Clears the input buffer or the screen.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const overrideClearColor = this.overrideClearColor;\n const overrideClearAlpha = this.overrideClearAlpha;\n const clearAlpha = renderer.getClearAlpha();\n const hasOverrideClearColor = overrideClearColor !== null;\n const hasOverrideClearAlpha = overrideClearAlpha >= 0;\n if (hasOverrideClearColor) {\n renderer.getClearColor(color);\n renderer.setClearColor(overrideClearColor, hasOverrideClearAlpha ? overrideClearAlpha : clearAlpha);\n } else if (hasOverrideClearAlpha) {\n renderer.setClearAlpha(overrideClearAlpha);\n }\n renderer.setRenderTarget(this.renderToScreen ? null : inputBuffer);\n renderer.clear(this.color, this.depth, this.stencil);\n if (hasOverrideClearColor) {\n renderer.setClearColor(color, clearAlpha);\n } else if (hasOverrideClearAlpha) {\n renderer.setClearAlpha(clearAlpha);\n }\n }\n};\n\n// src/passes/MaskPass.js\nvar MaskPass = class extends Pass {\n /**\n * Constructs a new mask pass.\n *\n * @param {Scene} scene - The scene to render.\n * @param {Camera} camera - The camera to use.\n */\n constructor(scene, camera) {\n super(\"MaskPass\", scene, camera);\n this.needsSwap = false;\n this.clearPass = new ClearPass(false, false, true);\n this.inverse = false;\n }\n set mainScene(value) {\n this.scene = value;\n }\n set mainCamera(value) {\n this.camera = value;\n }\n /**\n * Indicates whether the mask should be inverted.\n *\n * @type {Boolean}\n */\n get inverted() {\n return this.inverse;\n }\n set inverted(value) {\n this.inverse = value;\n }\n /**\n * Indicates whether this pass should clear the stencil buffer.\n *\n * @type {Boolean}\n * @deprecated Use clearPass.enabled instead.\n */\n get clear() {\n return this.clearPass.enabled;\n }\n set clear(value) {\n this.clearPass.enabled = value;\n }\n /**\n * Returns the internal clear pass.\n *\n * @deprecated Use clearPass.enabled instead.\n * @return {ClearPass} The clear pass.\n */\n getClearPass() {\n return this.clearPass;\n }\n /**\n * Indicates whether the mask is inverted.\n *\n * @deprecated Use inverted instead.\n * @return {Boolean} Whether the mask is inverted.\n */\n isInverted() {\n return this.inverted;\n }\n /**\n * Enables or disable mask inversion.\n *\n * @deprecated Use inverted instead.\n * @param {Boolean} value - Whether the mask should be inverted.\n */\n setInverted(value) {\n this.inverted = value;\n }\n /**\n * Renders the effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const context = renderer.getContext();\n const buffers = renderer.state.buffers;\n const scene = this.scene;\n const camera = this.camera;\n const clearPass = this.clearPass;\n const writeValue = this.inverted ? 0 : 1;\n const clearValue = 1 - writeValue;\n buffers.color.setMask(false);\n buffers.depth.setMask(false);\n buffers.color.setLocked(true);\n buffers.depth.setLocked(true);\n buffers.stencil.setTest(true);\n buffers.stencil.setOp(context.REPLACE, context.REPLACE, context.REPLACE);\n buffers.stencil.setFunc(context.ALWAYS, writeValue, 4294967295);\n buffers.stencil.setClear(clearValue);\n buffers.stencil.setLocked(true);\n if (this.clearPass.enabled) {\n if (this.renderToScreen) {\n clearPass.render(renderer, null);\n } else {\n clearPass.render(renderer, inputBuffer);\n clearPass.render(renderer, outputBuffer);\n }\n }\n if (this.renderToScreen) {\n renderer.setRenderTarget(null);\n renderer.render(scene, camera);\n } else {\n renderer.setRenderTarget(inputBuffer);\n renderer.render(scene, camera);\n renderer.setRenderTarget(outputBuffer);\n renderer.render(scene, camera);\n }\n buffers.color.setLocked(false);\n buffers.depth.setLocked(false);\n buffers.stencil.setLocked(false);\n buffers.stencil.setFunc(context.EQUAL, 1, 4294967295);\n buffers.stencil.setOp(context.KEEP, context.KEEP, context.KEEP);\n buffers.stencil.setLocked(true);\n }\n};\n\n// src/core/EffectComposer.js\nvar EffectComposer = class {\n /**\n * Constructs a new effect composer.\n *\n * @param {WebGLRenderer} renderer - The renderer that should be used.\n * @param {Object} [options] - The options.\n * @param {Boolean} [options.depthBuffer=true] - Whether the main render targets should have a depth buffer.\n * @param {Boolean} [options.stencilBuffer=false] - Whether the main render targets should have a stencil buffer.\n * @param {Boolean} [options.alpha] - Deprecated. Buffers are always RGBA since three r137.\n * @param {Number} [options.multisampling=0] - The number of samples used for multisample antialiasing. Requires WebGL 2.\n * @param {Number} [options.frameBufferType] - The type of the internal frame buffers. It's recommended to use HalfFloatType if possible.\n */\n constructor(renderer = null, {\n depthBuffer = true,\n stencilBuffer = false,\n multisampling = 0,\n frameBufferType\n } = {}) {\n this.renderer = null;\n this.inputBuffer = this.createBuffer(depthBuffer, stencilBuffer, frameBufferType, multisampling);\n this.outputBuffer = this.inputBuffer.clone();\n this.copyPass = new CopyPass();\n this.depthTexture = null;\n this.passes = [];\n this.timer = new Timer();\n this.autoRenderToScreen = true;\n this.setRenderer(renderer);\n }\n /**\n * The current amount of samples used for multisample anti-aliasing.\n *\n * @type {Number}\n */\n get multisampling() {\n return this.inputBuffer.samples || 0;\n }\n /**\n * Sets the amount of MSAA samples.\n *\n * Requires WebGL 2. Set to zero to disable multisampling.\n *\n * @type {Number}\n */\n set multisampling(value) {\n const buffer = this.inputBuffer;\n const multisampling = this.multisampling;\n if (multisampling > 0 && value > 0) {\n this.inputBuffer.samples = value;\n this.outputBuffer.samples = value;\n this.inputBuffer.dispose();\n this.outputBuffer.dispose();\n } else if (multisampling !== value) {\n this.inputBuffer.dispose();\n this.outputBuffer.dispose();\n this.inputBuffer = this.createBuffer(\n buffer.depthBuffer,\n buffer.stencilBuffer,\n buffer.texture.type,\n value\n );\n this.inputBuffer.depthTexture = this.depthTexture;\n this.outputBuffer = this.inputBuffer.clone();\n }\n }\n /**\n * Returns the internal timer.\n *\n * @return {Timer} The timer.\n */\n getTimer() {\n return this.timer;\n }\n /**\n * Returns the renderer.\n *\n * @return {WebGLRenderer} The renderer.\n */\n getRenderer() {\n return this.renderer;\n }\n /**\n * Sets the renderer.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n */\n setRenderer(renderer) {\n this.renderer = renderer;\n if (renderer !== null) {\n const size = renderer.getSize(new Vector2());\n const alpha = renderer.getContext().getContextAttributes().alpha;\n const frameBufferType = this.inputBuffer.texture.type;\n if (frameBufferType === UnsignedByteType2 && renderer.outputColorSpace === SRGBColorSpace2) {\n this.inputBuffer.texture.colorSpace = SRGBColorSpace2;\n this.outputBuffer.texture.colorSpace = SRGBColorSpace2;\n this.inputBuffer.dispose();\n this.outputBuffer.dispose();\n }\n renderer.autoClear = false;\n this.setSize(size.width, size.height);\n for (const pass of this.passes) {\n pass.initialize(renderer, alpha, frameBufferType);\n }\n }\n }\n /**\n * Replaces the current renderer with the given one.\n *\n * The auto clear mechanism of the provided renderer will be disabled. If the new render size differs from the\n * previous one, all passes will be updated.\n *\n * By default, the DOM element of the current renderer will automatically be removed from its parent node and the DOM\n * element of the new renderer will take its place.\n *\n * @deprecated Use setRenderer instead.\n * @param {WebGLRenderer} renderer - The new renderer.\n * @param {Boolean} updateDOM - Indicates whether the old canvas should be replaced by the new one in the DOM.\n * @return {WebGLRenderer} The old renderer.\n */\n replaceRenderer(renderer, updateDOM = true) {\n const oldRenderer = this.renderer;\n const parent = oldRenderer.domElement.parentNode;\n this.setRenderer(renderer);\n if (updateDOM && parent !== null) {\n parent.removeChild(oldRenderer.domElement);\n parent.appendChild(renderer.domElement);\n }\n return oldRenderer;\n }\n /**\n * Creates a depth texture attachment that will be provided to all passes.\n *\n * Note: When a shader reads from a depth texture and writes to a render target that uses the same depth texture\n * attachment, the depth information will be lost. This happens even if `depthWrite` is disabled.\n *\n * @private\n * @return {DepthTexture} The depth texture.\n */\n createDepthTexture() {\n const depthTexture = this.depthTexture = new DepthTexture();\n this.inputBuffer.depthTexture = depthTexture;\n this.inputBuffer.dispose();\n if (this.inputBuffer.stencilBuffer) {\n depthTexture.format = DepthStencilFormat;\n depthTexture.type = UnsignedInt248Type;\n } else {\n depthTexture.type = UnsignedIntType;\n }\n return depthTexture;\n }\n /**\n * Deletes the current depth texture.\n *\n * @private\n */\n deleteDepthTexture() {\n if (this.depthTexture !== null) {\n this.depthTexture.dispose();\n this.depthTexture = null;\n this.inputBuffer.depthTexture = null;\n this.inputBuffer.dispose();\n for (const pass of this.passes) {\n pass.setDepthTexture(null);\n }\n }\n }\n /**\n * Creates a new render target.\n *\n * @deprecated Create buffers manually via WebGLRenderTarget instead.\n * @param {Boolean} depthBuffer - Whether the render target should have a depth buffer.\n * @param {Boolean} stencilBuffer - Whether the render target should have a stencil buffer.\n * @param {Number} type - The frame buffer type.\n * @param {Number} multisampling - The number of samples to use for antialiasing.\n * @return {WebGLRenderTarget} A new render target that equals the renderer's canvas.\n */\n createBuffer(depthBuffer, stencilBuffer, type, multisampling) {\n const renderer = this.renderer;\n const size = renderer === null ? new Vector2() : renderer.getDrawingBufferSize(new Vector2());\n const options = {\n minFilter: LinearFilter2,\n magFilter: LinearFilter2,\n stencilBuffer,\n depthBuffer,\n type\n };\n const renderTarget = new WebGLRenderTarget3(size.width, size.height, options);\n if (multisampling > 0) {\n renderTarget.ignoreDepthForMultisampleCopy = false;\n renderTarget.samples = multisampling;\n }\n if (type === UnsignedByteType2 && renderer !== null && renderer.outputColorSpace === SRGBColorSpace2) {\n renderTarget.texture.colorSpace = SRGBColorSpace2;\n }\n renderTarget.texture.name = \"EffectComposer.Buffer\";\n renderTarget.texture.generateMipmaps = false;\n return renderTarget;\n }\n /**\n * Can be used to change the main scene for all registered passes and effects.\n *\n * @param {Scene} scene - The scene.\n */\n setMainScene(scene) {\n for (const pass of this.passes) {\n pass.mainScene = scene;\n }\n }\n /**\n * Can be used to change the main camera for all registered passes and effects.\n *\n * @param {Camera} camera - The camera.\n */\n setMainCamera(camera) {\n for (const pass of this.passes) {\n pass.mainCamera = camera;\n }\n }\n /**\n * Adds a pass, optionally at a specific index.\n *\n * @param {Pass} pass - A new pass.\n * @param {Number} [index] - An index at which the pass should be inserted.\n */\n addPass(pass, index) {\n const passes = this.passes;\n const renderer = this.renderer;\n const drawingBufferSize = renderer.getDrawingBufferSize(new Vector2());\n const alpha = renderer.getContext().getContextAttributes().alpha;\n const frameBufferType = this.inputBuffer.texture.type;\n pass.setRenderer(renderer);\n pass.setSize(drawingBufferSize.width, drawingBufferSize.height);\n pass.initialize(renderer, alpha, frameBufferType);\n if (this.autoRenderToScreen) {\n if (passes.length > 0) {\n passes[passes.length - 1].renderToScreen = false;\n }\n if (pass.renderToScreen) {\n this.autoRenderToScreen = false;\n }\n }\n if (index !== void 0) {\n passes.splice(index, 0, pass);\n } else {\n passes.push(pass);\n }\n if (this.autoRenderToScreen) {\n passes[passes.length - 1].renderToScreen = true;\n }\n if (pass.needsDepthTexture || this.depthTexture !== null) {\n if (this.depthTexture === null) {\n const depthTexture = this.createDepthTexture();\n for (pass of passes) {\n pass.setDepthTexture(depthTexture);\n }\n } else {\n pass.setDepthTexture(this.depthTexture);\n }\n }\n }\n /**\n * Removes a pass.\n *\n * @param {Pass} pass - The pass.\n */\n removePass(pass) {\n const passes = this.passes;\n const index = passes.indexOf(pass);\n const exists = index !== -1;\n const removed = exists && passes.splice(index, 1).length > 0;\n if (removed) {\n if (this.depthTexture !== null) {\n const reducer = (a, b) => a || b.needsDepthTexture;\n const depthTextureRequired = passes.reduce(reducer, false);\n if (!depthTextureRequired) {\n if (pass.getDepthTexture() === this.depthTexture) {\n pass.setDepthTexture(null);\n }\n this.deleteDepthTexture();\n }\n }\n if (this.autoRenderToScreen) {\n if (index === passes.length) {\n pass.renderToScreen = false;\n if (passes.length > 0) {\n passes[passes.length - 1].renderToScreen = true;\n }\n }\n }\n }\n }\n /**\n * Removes all passes.\n */\n removeAllPasses() {\n const passes = this.passes;\n this.deleteDepthTexture();\n if (passes.length > 0) {\n if (this.autoRenderToScreen) {\n passes[passes.length - 1].renderToScreen = false;\n }\n this.passes = [];\n }\n }\n /**\n * Renders all enabled passes in the order in which they were added.\n *\n * @param {Number} [deltaTime] - The time since the last frame in seconds.\n */\n render(deltaTime) {\n const renderer = this.renderer;\n const copyPass = this.copyPass;\n let inputBuffer = this.inputBuffer;\n let outputBuffer = this.outputBuffer;\n let stencilTest = false;\n let context, stencil, buffer;\n if (deltaTime === void 0) {\n this.timer.update();\n deltaTime = this.timer.getDelta();\n }\n for (const pass of this.passes) {\n if (pass.enabled) {\n pass.render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest);\n if (pass.needsSwap) {\n if (stencilTest) {\n copyPass.renderToScreen = pass.renderToScreen;\n context = renderer.getContext();\n stencil = renderer.state.buffers.stencil;\n stencil.setFunc(context.NOTEQUAL, 1, 4294967295);\n copyPass.render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest);\n stencil.setFunc(context.EQUAL, 1, 4294967295);\n }\n buffer = inputBuffer;\n inputBuffer = outputBuffer;\n outputBuffer = buffer;\n }\n if (pass instanceof MaskPass) {\n stencilTest = true;\n } else if (pass instanceof ClearMaskPass) {\n stencilTest = false;\n }\n }\n }\n }\n /**\n * Sets the size of the buffers, passes and the renderer.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n * @param {Boolean} [updateStyle] - Determines whether the style of the canvas should be updated.\n */\n setSize(width, height, updateStyle) {\n const renderer = this.renderer;\n const currentSize = renderer.getSize(new Vector2());\n if (width === void 0 || height === void 0) {\n width = currentSize.width;\n height = currentSize.height;\n }\n if (currentSize.width !== width || currentSize.height !== height) {\n renderer.setSize(width, height, updateStyle);\n }\n const drawingBufferSize = renderer.getDrawingBufferSize(new Vector2());\n this.inputBuffer.setSize(drawingBufferSize.width, drawingBufferSize.height);\n this.outputBuffer.setSize(drawingBufferSize.width, drawingBufferSize.height);\n for (const pass of this.passes) {\n pass.setSize(drawingBufferSize.width, drawingBufferSize.height);\n }\n }\n /**\n * Resets this composer by deleting all passes and creating new buffers.\n */\n reset() {\n this.dispose();\n this.autoRenderToScreen = true;\n }\n /**\n * Disposes this composer and all passes.\n */\n dispose() {\n for (const pass of this.passes) {\n pass.dispose();\n }\n this.passes = [];\n if (this.inputBuffer !== null) {\n this.inputBuffer.dispose();\n }\n if (this.outputBuffer !== null) {\n this.outputBuffer.dispose();\n }\n this.deleteDepthTexture();\n this.copyPass.dispose();\n this.timer.dispose();\n Pass.fullscreenGeometry.dispose();\n }\n};\n\n// src/core/EffectShaderData.js\nimport { LinearSRGBColorSpace } from \"three\";\n\n// src/enums/EffectAttribute.js\nvar EffectAttribute = {\n NONE: 0,\n DEPTH: 1,\n CONVOLUTION: 2\n};\n\n// src/enums/EffectShaderSection.js\nvar EffectShaderSection = {\n FRAGMENT_HEAD: \"FRAGMENT_HEAD\",\n FRAGMENT_MAIN_UV: \"FRAGMENT_MAIN_UV\",\n FRAGMENT_MAIN_IMAGE: \"FRAGMENT_MAIN_IMAGE\",\n VERTEX_HEAD: \"VERTEX_HEAD\",\n VERTEX_MAIN_SUPPORT: \"VERTEX_MAIN_SUPPORT\"\n};\n\n// src/core/EffectShaderData.js\nvar EffectShaderData = class {\n /**\n * Constructs new shader data.\n */\n constructor() {\n this.shaderParts = /* @__PURE__ */ new Map([\n [EffectShaderSection.FRAGMENT_HEAD, null],\n [EffectShaderSection.FRAGMENT_MAIN_UV, null],\n [EffectShaderSection.FRAGMENT_MAIN_IMAGE, null],\n [EffectShaderSection.VERTEX_HEAD, null],\n [EffectShaderSection.VERTEX_MAIN_SUPPORT, null]\n ]);\n this.defines = /* @__PURE__ */ new Map();\n this.uniforms = /* @__PURE__ */ new Map();\n this.blendModes = /* @__PURE__ */ new Map();\n this.extensions = /* @__PURE__ */ new Set();\n this.attributes = EffectAttribute.NONE;\n this.varyings = /* @__PURE__ */ new Set();\n this.uvTransformation = false;\n this.readDepth = false;\n this.colorSpace = LinearSRGBColorSpace;\n }\n};\n\n// src/core/GaussKernel.js\nfunction getCoefficients(n) {\n let result;\n if (n === 0) {\n result = new Float64Array(0);\n } else if (n === 1) {\n result = new Float64Array([1]);\n } else if (n > 1) {\n let row0 = new Float64Array(n);\n let row1 = new Float64Array(n);\n for (let y = 1; y <= n; ++y) {\n for (let x = 0; x < y; ++x) {\n row1[x] = x === 0 || x === y - 1 ? 1 : row0[x - 1] + row0[x];\n }\n result = row1;\n row1 = row0;\n row0 = result;\n }\n }\n return result;\n}\nvar GaussKernel = class {\n /**\n * Constructs a new Gauss kernel.\n *\n * @param {Number} kernelSize - The kernel size. Should be an odd number in the range [3, 1020].\n * @param {Number} [edgeBias=2] - Determines how many edge coefficients should be cut off for increased accuracy.\n */\n constructor(kernelSize, edgeBias = 2) {\n this.weights = null;\n this.offsets = null;\n this.linearWeights = null;\n this.linearOffsets = null;\n this.generate(kernelSize, edgeBias);\n }\n /**\n * The number of steps for discrete sampling.\n *\n * @type {Number}\n */\n get steps() {\n return this.offsets === null ? 0 : this.offsets.length;\n }\n /**\n * The number of steps for linear sampling.\n *\n * @type {Number}\n */\n get linearSteps() {\n return this.linearOffsets === null ? 0 : this.linearOffsets.length;\n }\n /**\n * Generates the kernel.\n *\n * @private\n * @param {Number} kernelSize - The kernel size.\n * @param {Number} edgeBias - The amount of edge coefficients to ignore.\n */\n generate(kernelSize, edgeBias) {\n if (kernelSize < 3 || kernelSize > 1020) {\n throw new Error(\"The kernel size must be in the range [3, 1020]\");\n }\n const n = kernelSize + edgeBias * 2;\n const coefficients = edgeBias > 0 ? getCoefficients(n).slice(edgeBias, -edgeBias) : getCoefficients(n);\n const mid = Math.floor((coefficients.length - 1) / 2);\n const sum = coefficients.reduce((a, b) => a + b, 0);\n const weights = coefficients.slice(mid);\n const offsets = [...Array(mid + 1).keys()];\n const linearWeights = new Float64Array(Math.floor(offsets.length / 2));\n const linearOffsets = new Float64Array(linearWeights.length);\n linearWeights[0] = weights[0] / sum;\n for (let i = 1, j = 1, l = offsets.length - 1; i < l; i += 2, ++j) {\n const offset0 = offsets[i], offset1 = offsets[i + 1];\n const weight0 = weights[i], weight1 = weights[i + 1];\n const w = weight0 + weight1;\n const o = (offset0 * weight0 + offset1 * weight1) / w;\n linearWeights[j] = w / sum;\n linearOffsets[j] = o;\n }\n for (let i = 0, l = weights.length, s = 1 / sum; i < l; ++i) {\n weights[i] *= s;\n }\n const linearWeightSum = (linearWeights.reduce((a, b) => a + b, 0) - linearWeights[0] * 0.5) * 2;\n if (linearWeightSum !== 0) {\n for (let i = 0, l = linearWeights.length, s = 1 / linearWeightSum; i < l; ++i) {\n linearWeights[i] *= s;\n }\n }\n this.offsets = offsets;\n this.weights = weights;\n this.linearOffsets = linearOffsets;\n this.linearWeights = linearWeights;\n }\n};\n\n// src/core/ImmutableTimer.js\nvar ImmutableTimer = class {\n /**\n * The current delta time in seconds.\n *\n * @type {Number}\n */\n getDelta() {\n return NaN;\n }\n /**\n * The elapsed time in seconds.\n *\n * @type {Number}\n */\n getElapsed() {\n return NaN;\n }\n};\n\n// src/core/Initializable.js\nvar Initializable = class {\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - A renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n }\n};\n\n// src/core/OverrideMaterialManager.js\nimport { BackSide, DoubleSide, FrontSide, ShaderMaterial as ShaderMaterial2 } from \"three\";\nvar workaroundEnabled = false;\nvar OverrideMaterialManager = class {\n /**\n * Constructs a new override material manager.\n *\n * @param {Material} [material=null] - An override material.\n */\n constructor(material = null) {\n this.originalMaterials = /* @__PURE__ */ new Map();\n this.material = null;\n this.materials = null;\n this.materialsBackSide = null;\n this.materialsDoubleSide = null;\n this.materialsFlatShaded = null;\n this.materialsFlatShadedBackSide = null;\n this.materialsFlatShadedDoubleSide = null;\n this.setMaterial(material);\n this.meshCount = 0;\n this.replaceMaterial = (node) => {\n if (node.isMesh) {\n let materials;\n if (node.material.flatShading) {\n switch (node.material.side) {\n case DoubleSide:\n materials = this.materialsFlatShadedDoubleSide;\n break;\n case BackSide:\n materials = this.materialsFlatShadedBackSide;\n break;\n default:\n materials = this.materialsFlatShaded;\n break;\n }\n } else {\n switch (node.material.side) {\n case DoubleSide:\n materials = this.materialsDoubleSide;\n break;\n case BackSide:\n materials = this.materialsBackSide;\n break;\n default:\n materials = this.materials;\n break;\n }\n }\n this.originalMaterials.set(node, node.material);\n if (node.isSkinnedMesh) {\n node.material = materials[2];\n } else if (node.isInstancedMesh) {\n node.material = materials[1];\n } else {\n node.material = materials[0];\n }\n ++this.meshCount;\n }\n };\n }\n /**\n * Clones the given material.\n *\n * @private\n * @param {Material} material - The material.\n * @return {Material} The cloned material.\n */\n cloneMaterial(material) {\n if (!(material instanceof ShaderMaterial2)) {\n return material.clone();\n }\n const uniforms = material.uniforms;\n const textureUniforms = /* @__PURE__ */ new Map();\n for (const key in uniforms) {\n const value = uniforms[key].value;\n if (value.isRenderTargetTexture) {\n uniforms[key].value = null;\n textureUniforms.set(key, value);\n }\n }\n const clone = material.clone();\n for (const entry of textureUniforms) {\n uniforms[entry[0]].value = entry[1];\n clone.uniforms[entry[0]].value = entry[1];\n }\n return clone;\n }\n /**\n * Sets the override material.\n *\n * @param {Material} material - The material.\n */\n setMaterial(material) {\n this.disposeMaterials();\n this.material = material;\n if (material !== null) {\n const materials = this.materials = [\n this.cloneMaterial(material),\n this.cloneMaterial(material),\n this.cloneMaterial(material)\n ];\n for (const m2 of materials) {\n m2.uniforms = Object.assign({}, material.uniforms);\n m2.side = FrontSide;\n }\n materials[2].skinning = true;\n this.materialsBackSide = materials.map((m2) => {\n const c2 = this.cloneMaterial(m2);\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.side = BackSide;\n return c2;\n });\n this.materialsDoubleSide = materials.map((m2) => {\n const c2 = this.cloneMaterial(m2);\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.side = DoubleSide;\n return c2;\n });\n this.materialsFlatShaded = materials.map((m2) => {\n const c2 = this.cloneMaterial(m2);\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.flatShading = true;\n return c2;\n });\n this.materialsFlatShadedBackSide = materials.map((m2) => {\n const c2 = this.cloneMaterial(m2);\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.flatShading = true;\n c2.side = BackSide;\n return c2;\n });\n this.materialsFlatShadedDoubleSide = materials.map((m2) => {\n const c2 = this.cloneMaterial(m2);\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.flatShading = true;\n c2.side = DoubleSide;\n return c2;\n });\n }\n }\n /**\n * Renders the scene with the override material.\n *\n * @private\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Scene} scene - A scene.\n * @param {Camera} camera - A camera.\n */\n render(renderer, scene, camera) {\n const shadowMapEnabled = renderer.shadowMap.enabled;\n renderer.shadowMap.enabled = false;\n if (workaroundEnabled) {\n const originalMaterials = this.originalMaterials;\n this.meshCount = 0;\n scene.traverse(this.replaceMaterial);\n renderer.render(scene, camera);\n for (const entry of originalMaterials) {\n entry[0].material = entry[1];\n }\n if (this.meshCount !== originalMaterials.size) {\n originalMaterials.clear();\n }\n } else {\n const overrideMaterial = scene.overrideMaterial;\n scene.overrideMaterial = this.material;\n renderer.render(scene, camera);\n scene.overrideMaterial = overrideMaterial;\n }\n renderer.shadowMap.enabled = shadowMapEnabled;\n }\n /**\n * Deletes cloned override materials.\n *\n * @private\n */\n disposeMaterials() {\n if (this.material !== null) {\n const materials = this.materials.concat(this.materialsBackSide).concat(this.materialsDoubleSide).concat(this.materialsFlatShaded).concat(this.materialsFlatShadedBackSide).concat(this.materialsFlatShadedDoubleSide);\n for (const m2 of materials) {\n m2.dispose();\n }\n }\n }\n /**\n * Performs cleanup tasks.\n */\n dispose() {\n this.originalMaterials.clear();\n this.disposeMaterials();\n }\n /**\n * Indicates whether the override material workaround is enabled.\n *\n * @type {Boolean}\n */\n static get workaroundEnabled() {\n return workaroundEnabled;\n }\n /**\n * Enables or disables the override material workaround globally.\n *\n * This only affects post processing passes and effects.\n *\n * @type {Boolean}\n */\n static set workaroundEnabled(value) {\n workaroundEnabled = value;\n }\n};\n\n// src/core/Resizable.js\nvar Resizable = class {\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n }\n};\n\n// src/core/Resolution.js\nimport { EventDispatcher, Vector2 as Vector22 } from \"three\";\nvar AUTO_SIZE = -1;\nvar Resolution = class extends EventDispatcher {\n /**\n * Constructs a new resolution.\n *\n * TODO Remove resizable param.\n * @param {Resizable} resizable - A resizable object.\n * @param {Number} [width=Resolution.AUTO_SIZE] - The preferred width.\n * @param {Number} [height=Resolution.AUTO_SIZE] - The preferred height.\n * @param {Number} [scale=1.0] - A resolution scale.\n */\n constructor(resizable, width = AUTO_SIZE, height = AUTO_SIZE, scale = 1) {\n super();\n this.resizable = resizable;\n this.baseSize = new Vector22(1, 1);\n this.preferredSize = new Vector22(width, height);\n this.target = this.preferredSize;\n this.s = scale;\n this.effectiveSize = new Vector22();\n this.addEventListener(\"change\", () => this.updateEffectiveSize());\n this.updateEffectiveSize();\n }\n /**\n * Calculates the effective size.\n *\n * @private\n */\n updateEffectiveSize() {\n const base = this.baseSize;\n const preferred = this.preferredSize;\n const effective = this.effectiveSize;\n const scale = this.scale;\n if (preferred.width !== AUTO_SIZE) {\n effective.width = preferred.width;\n } else if (preferred.height !== AUTO_SIZE) {\n effective.width = Math.round(preferred.height * (base.width / Math.max(base.height, 1)));\n } else {\n effective.width = Math.round(base.width * scale);\n }\n if (preferred.height !== AUTO_SIZE) {\n effective.height = preferred.height;\n } else if (preferred.width !== AUTO_SIZE) {\n effective.height = Math.round(preferred.width / Math.max(base.width / Math.max(base.height, 1), 1));\n } else {\n effective.height = Math.round(base.height * scale);\n }\n }\n /**\n * The effective width.\n *\n * If the preferred width and height are set to {@link Resizer.AUTO_SIZE}, the base width will be returned.\n *\n * @type {Number}\n */\n get width() {\n return this.effectiveSize.width;\n }\n set width(value) {\n this.preferredWidth = value;\n }\n /**\n * The effective height.\n *\n * If the preferred width and height are set to {@link Resizer.AUTO_SIZE}, the base height will be returned.\n *\n * @type {Number}\n */\n get height() {\n return this.effectiveSize.height;\n }\n set height(value) {\n this.preferredHeight = value;\n }\n /**\n * Returns the effective width.\n *\n * If the preferred width and height are set to {@link Resizer.AUTO_SIZE}, the base width will be returned.\n *\n * @deprecated Use width instead.\n * @return {Number} The effective width.\n */\n getWidth() {\n return this.width;\n }\n /**\n * Returns the effective height.\n *\n * If the preferred width and height are set to {@link Resizer.AUTO_SIZE}, the base height will be returned.\n *\n * @deprecated Use height instead.\n * @return {Number} The effective height.\n */\n getHeight() {\n return this.height;\n }\n /**\n * The resolution scale.\n *\n * @type {Number}\n */\n get scale() {\n return this.s;\n }\n set scale(value) {\n if (this.s !== value) {\n this.s = value;\n this.preferredSize.setScalar(AUTO_SIZE);\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n /**\n * Returns the current resolution scale.\n *\n * @deprecated Use scale instead.\n * @return {Number} The scale.\n */\n getScale() {\n return this.scale;\n }\n /**\n * Sets the resolution scale.\n *\n * Also sets the preferred resolution to {@link Resizer.AUTO_SIZE}.\n *\n * @deprecated Use scale instead.\n * @param {Number} value - The scale.\n */\n setScale(value) {\n this.scale = value;\n }\n /**\n * The base width.\n *\n * @type {Number}\n */\n get baseWidth() {\n return this.baseSize.width;\n }\n set baseWidth(value) {\n if (this.baseSize.width !== value) {\n this.baseSize.width = value;\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n /**\n * Returns the base width.\n *\n * @deprecated Use baseWidth instead.\n * @return {Number} The base width.\n */\n getBaseWidth() {\n return this.baseWidth;\n }\n /**\n * Sets the base width.\n *\n * @deprecated Use baseWidth instead.\n * @param {Number} value - The width.\n */\n setBaseWidth(value) {\n this.baseWidth = value;\n }\n /**\n * The base height.\n *\n * @type {Number}\n */\n get baseHeight() {\n return this.baseSize.height;\n }\n set baseHeight(value) {\n if (this.baseSize.height !== value) {\n this.baseSize.height = value;\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n /**\n * Returns the base height.\n *\n * @deprecated Use baseHeight instead.\n * @return {Number} The base height.\n */\n getBaseHeight() {\n return this.baseHeight;\n }\n /**\n * Sets the base height.\n *\n * @deprecated Use baseHeight instead.\n * @param {Number} value - The height.\n */\n setBaseHeight(value) {\n this.baseHeight = value;\n }\n /**\n * Sets the base size.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setBaseSize(width, height) {\n if (this.baseSize.width !== width || this.baseSize.height !== height) {\n this.baseSize.set(width, height);\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n /**\n * The preferred width.\n *\n * @type {Number}\n */\n get preferredWidth() {\n return this.preferredSize.width;\n }\n set preferredWidth(value) {\n if (this.preferredSize.width !== value) {\n this.preferredSize.width = value;\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n /**\n * Returns the preferred width.\n *\n * @deprecated Use preferredWidth instead.\n * @return {Number} The preferred width.\n */\n getPreferredWidth() {\n return this.preferredWidth;\n }\n /**\n * Sets the preferred width.\n *\n * Use {@link Resizer.AUTO_SIZE} to automatically calculate the width based on the height and aspect ratio.\n *\n * @deprecated Use preferredWidth instead.\n * @param {Number} value - The width.\n */\n setPreferredWidth(value) {\n this.preferredWidth = value;\n }\n /**\n * The preferred height.\n *\n * @type {Number}\n */\n get preferredHeight() {\n return this.preferredSize.height;\n }\n set preferredHeight(value) {\n if (this.preferredSize.height !== value) {\n this.preferredSize.height = value;\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n /**\n * Returns the preferred height.\n *\n * @deprecated Use preferredHeight instead.\n * @return {Number} The preferred height.\n */\n getPreferredHeight() {\n return this.preferredHeight;\n }\n /**\n * Sets the preferred height.\n *\n * Use {@link Resizer.AUTO_SIZE} to automatically calculate the height based on the width and aspect ratio.\n *\n * @deprecated Use preferredHeight instead.\n * @param {Number} value - The height.\n */\n setPreferredHeight(value) {\n this.preferredHeight = value;\n }\n /**\n * Sets the preferred size.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setPreferredSize(width, height) {\n if (this.preferredSize.width !== width || this.preferredSize.height !== height) {\n this.preferredSize.set(width, height);\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n /**\n * Copies the given resolution.\n *\n * @param {Resolution} resolution - The resolution.\n */\n copy(resolution) {\n this.s = resolution.scale;\n this.baseSize.set(resolution.baseWidth, resolution.baseHeight);\n this.preferredSize.set(resolution.preferredWidth, resolution.preferredHeight);\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n /**\n * An auto sizing constant.\n *\n * Can be used to automatically calculate the width or height based on the original aspect ratio.\n *\n * @type {Number}\n */\n static get AUTO_SIZE() {\n return AUTO_SIZE;\n }\n};\n\n// src/utils/IdManager.js\nvar IdManager = class {\n /**\n * Constructs a new ID manager.\n *\n * @param initialId - The first ID.\n */\n constructor(initialId = 0) {\n this.nextId = initialId;\n }\n /**\n * Returns the next unique ID.\n *\n * @return The ID.\n */\n getNextId() {\n return this.nextId++;\n }\n /**\n * Resets the ID counter.\n *\n * @param initialId - The first ID.\n * @return This manager.\n */\n reset(initialId = 0) {\n this.nextId = initialId;\n return this;\n }\n};\n\n// src/core/Selection.js\nvar idManager = /* @__PURE__ */ new IdManager(2);\nvar Selection = class extends Set {\n /**\n * Constructs a new selection.\n *\n * @param {Iterable} [iterable] - A collection of objects that should be added to this selection.\n * @param {Number} [layer] - A dedicated render layer for selected objects. Range is `[2, 31]`. Starts at 2 if omitted.\n */\n constructor(iterable, layer = idManager.getNextId()) {\n super();\n this.exclusive = false;\n this._layer = layer;\n if (this._layer < 1 || this._layer > 31) {\n console.warn(\"Layer out of range, resetting to 2\");\n idManager.reset(2);\n this._layer = idManager.getNextId();\n }\n if (iterable !== void 0) {\n this.set(iterable);\n }\n }\n /**\n * The render layer for selected objects.\n *\n * @type {Number}\n */\n get layer() {\n return this._layer;\n }\n set layer(value) {\n const currentLayer = this._layer;\n for (const object of this) {\n object.layers.disable(currentLayer);\n object.layers.enable(value);\n }\n this._layer = value;\n }\n /**\n * Returns the current render layer for selected objects.\n *\n * The default layer is 2. If this collides with your own custom layers, please change it before rendering!\n *\n * @deprecated Use layer instead.\n * @return {Number} The layer.\n */\n getLayer() {\n return this.layer;\n }\n /**\n * Sets the render layer for selected objects.\n *\n * The current selection will be updated accordingly.\n *\n * @deprecated Use layer instead.\n * @param {Number} value - The layer. Range is [0, 31].\n */\n setLayer(value) {\n this.layer = value;\n }\n /**\n * Indicates whether objects that are added to this selection will be removed from all other layers.\n *\n * @deprecated Use exclusive instead.\n * @return {Number} Whether this selection is exclusive. Default is false.\n */\n isExclusive() {\n return this.exclusive;\n }\n /**\n * Controls whether objects that are added to this selection should be removed from all other layers.\n *\n * @deprecated Use exclusive instead.\n * @param {Number} value - Whether this selection should be exclusive.\n */\n setExclusive(value) {\n this.exclusive = value;\n }\n /**\n * Clears this selection.\n *\n * @return {Selection} This selection.\n */\n clear() {\n const layer = this.layer;\n for (const object of this) {\n object.layers.disable(layer);\n }\n return super.clear();\n }\n /**\n * Clears this selection and adds the given objects.\n *\n * @param {Iterable} objects - The objects that should be selected.\n * @return {Selection} This selection.\n */\n set(objects) {\n this.clear();\n for (const object of objects) {\n this.add(object);\n }\n return this;\n }\n /**\n * An alias for {@link has}.\n *\n * @param {Object3D} object - An object.\n * @return {Number} Returns 0 if the given object is currently selected, or -1 otherwise.\n * @deprecated Added for backward-compatibility.\n */\n indexOf(object) {\n return this.has(object) ? 0 : -1;\n }\n /**\n * Adds an object to this selection.\n *\n * If {@link exclusive} is set to `true`, the object will also be removed from all other layers.\n *\n * @param {Object3D} object - The object that should be selected.\n * @return {Selection} This selection.\n */\n add(object) {\n if (this.exclusive) {\n object.layers.set(this.layer);\n } else {\n object.layers.enable(this.layer);\n }\n return super.add(object);\n }\n /**\n * Removes an object from this selection.\n *\n * @param {Object3D} object - The object that should be deselected.\n * @return {Boolean} Returns true if an object has successfully been removed from this selection; otherwise false.\n */\n delete(object) {\n if (this.has(object)) {\n object.layers.disable(this.layer);\n }\n return super.delete(object);\n }\n /**\n * Removes an existing object from the selection. If the object doesn't exist it's added instead.\n *\n * @param {Object3D} object - The object.\n * @return {Boolean} Returns true if the object is added, false otherwise.\n */\n toggle(object) {\n let result;\n if (this.has(object)) {\n this.delete(object);\n result = false;\n } else {\n this.add(object);\n result = true;\n }\n return result;\n }\n /**\n * Sets the visibility of all selected objects.\n *\n * This method enables or disables render layer 0 of all selected objects.\n *\n * @param {Boolean} visible - Whether the selected objects should be visible.\n * @return {Selection} This selection.\n */\n setVisible(visible) {\n for (const object of this) {\n if (visible) {\n object.layers.enable(0);\n } else {\n object.layers.disable(0);\n }\n }\n return this;\n }\n};\n\n// src/effects/blending/BlendMode.js\nimport { EventDispatcher as EventDispatcher2, Uniform as Uniform2 } from \"three\";\n\n// src/enums/BlendFunction.js\nvar BlendFunction = {\n SKIP: 9,\n SET: 30,\n ADD: 0,\n ALPHA: 1,\n AVERAGE: 2,\n COLOR: 3,\n COLOR_BURN: 4,\n COLOR_DODGE: 5,\n DARKEN: 6,\n DIFFERENCE: 7,\n DIVIDE: 8,\n DST: 9,\n EXCLUSION: 10,\n HARD_LIGHT: 11,\n HARD_MIX: 12,\n HUE: 13,\n INVERT: 14,\n INVERT_RGB: 15,\n LIGHTEN: 16,\n LINEAR_BURN: 17,\n LINEAR_DODGE: 18,\n LINEAR_LIGHT: 19,\n LUMINOSITY: 20,\n MULTIPLY: 21,\n NEGATION: 22,\n NORMAL: 23,\n OVERLAY: 24,\n PIN_LIGHT: 25,\n REFLECT: 26,\n SATURATION: 27,\n SCREEN: 28,\n SOFT_LIGHT: 29,\n SRC: 30,\n SUBTRACT: 31,\n VIVID_LIGHT: 32\n};\n\n// src/effects/blending/glsl/add.frag\nvar add_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x+y,opacity);}\";\n\n// src/effects/blending/glsl/alpha.frag\nvar alpha_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y,min(y.a,opacity));}\";\n\n// src/effects/blending/glsl/average.frag\nvar average_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,(x+y)*0.5,opacity);}\";\n\n// src/effects/blending/glsl/color.frag\nvar color_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(yHSL.rg,xHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}\";\n\n// src/effects/blending/glsl/color-burn.frag\nvar color_burn_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(step(0.0,y)*(1.0-min(vec4(1.0),(1.0-x)/y)),vec4(1.0),step(1.0,x));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/color-dodge.frag\nvar color_dodge_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=step(0.0,x)*mix(min(vec4(1.0),x/max(1.0-y,1e-9)),vec4(1.0),step(1.0,y));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/darken.frag\nvar darken_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,min(x,y),opacity);}\";\n\n// src/effects/blending/glsl/difference.frag\nvar difference_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,abs(x-y),opacity);}\";\n\n// src/effects/blending/glsl/divide.frag\nvar divide_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x/max(y,1e-12),opacity);}\";\n\n// src/effects/blending/glsl/exclusion.frag\nvar exclusion_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,(x+y-2.0*x*y),opacity);}\";\n\n// src/effects/blending/glsl/hard-light.frag\nvar hard_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 a=min(x,1.0),b=min(y,1.0);vec4 z=mix(2.0*a*b,1.0-2.0*(1.0-a)*(1.0-b),step(0.5,y));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/hard-mix.frag\nvar hard_mix_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,step(1.0,x+y),opacity);}\";\n\n// src/effects/blending/glsl/hue.frag\nvar hue_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(yHSL.r,xHSL.gb));return vec4(mix(x.rgb,z,opacity),y.a);}\";\n\n// src/effects/blending/glsl/invert.frag\nvar invert_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,1.0-y,opacity);}\";\n\n// src/effects/blending/glsl/invert-rgb.frag\nvar invert_rgb_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y*(1.0-x),opacity);}\";\n\n// src/effects/blending/glsl/lighten.frag\nvar lighten_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,max(x,y),opacity);}\";\n\n// src/effects/blending/glsl/linear-burn.frag\nvar linear_burn_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,clamp(y+x-1.0,0.0,1.0),opacity);}\";\n\n// src/effects/blending/glsl/linear-dodge.frag\nvar linear_dodge_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,min(x+y,1.0),opacity);}\";\n\n// src/effects/blending/glsl/linear-light.frag\nvar linear_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,clamp(2.0*y+x-1.0,0.0,1.0),opacity);}\";\n\n// src/effects/blending/glsl/luminosity.frag\nvar luminosity_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(xHSL.rg,yHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}\";\n\n// src/effects/blending/glsl/multiply.frag\nvar multiply_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x*y,opacity);}\";\n\n// src/effects/blending/glsl/negation.frag\nvar negation_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,1.0-abs(1.0-x-y),opacity);}\";\n\n// src/effects/blending/glsl/normal.frag\nvar normal_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y,opacity);}\";\n\n// src/effects/blending/glsl/overlay.frag\nvar overlay_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(2.0*y*x,1.0-2.0*(1.0-y)*(1.0-x),step(0.5,x));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/pin-light.frag\nvar pin_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 y2=2.0*y;vec4 z=mix(mix(y2,x,step(0.5*x,y)),max(vec4(0.0),y2-1.0),step(x,(y2-1.0)));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/reflect.frag\nvar reflect_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(min(x*x/max(1.0-y,1e-12),1.0),y,step(1.0,y));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/saturation.frag\nvar saturation_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(xHSL.r,yHSL.g,xHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}\";\n\n// src/effects/blending/glsl/screen.frag\nvar screen_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x+y-min(x*y,1.0),opacity);}\";\n\n// src/effects/blending/glsl/soft-light.frag\nvar soft_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 y2=2.0*y;vec4 w=step(0.5,y);vec4 z=mix(x-(1.0-y2)*x*(1.0-x),mix(x+(y2-1.0)*(sqrt(x)-x),x+(y2-1.0)*x*((16.0*x-12.0)*x+3.0),w*(1.0-step(0.25,x))),w);return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/src.frag\nvar src_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return y;}\";\n\n// src/effects/blending/glsl/subtract.frag\nvar subtract_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,max(x+y-1.0,0.0),opacity);}\";\n\n// src/effects/blending/glsl/vivid-light.frag\nvar vivid_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(max(1.0-min((1.0-x)/(2.0*y),1.0),0.0),min(x/(2.0*(1.0-y)),1.0),step(0.5,y));return mix(x,z,opacity);}\";\n\n// src/effects/blending/BlendMode.js\nvar blendFunctions = /* @__PURE__ */ new Map([\n [BlendFunction.ADD, add_default],\n [BlendFunction.ALPHA, alpha_default],\n [BlendFunction.AVERAGE, average_default],\n [BlendFunction.COLOR, color_default],\n [BlendFunction.COLOR_BURN, color_burn_default],\n [BlendFunction.COLOR_DODGE, color_dodge_default],\n [BlendFunction.DARKEN, darken_default],\n [BlendFunction.DIFFERENCE, difference_default],\n [BlendFunction.DIVIDE, divide_default],\n [BlendFunction.DST, null],\n [BlendFunction.EXCLUSION, exclusion_default],\n [BlendFunction.HARD_LIGHT, hard_light_default],\n [BlendFunction.HARD_MIX, hard_mix_default],\n [BlendFunction.HUE, hue_default],\n [BlendFunction.INVERT, invert_default],\n [BlendFunction.INVERT_RGB, invert_rgb_default],\n [BlendFunction.LIGHTEN, lighten_default],\n [BlendFunction.LINEAR_BURN, linear_burn_default],\n [BlendFunction.LINEAR_DODGE, linear_dodge_default],\n [BlendFunction.LINEAR_LIGHT, linear_light_default],\n [BlendFunction.LUMINOSITY, luminosity_default],\n [BlendFunction.MULTIPLY, multiply_default],\n [BlendFunction.NEGATION, negation_default],\n [BlendFunction.NORMAL, normal_default],\n [BlendFunction.OVERLAY, overlay_default],\n [BlendFunction.PIN_LIGHT, pin_light_default],\n [BlendFunction.REFLECT, reflect_default],\n [BlendFunction.SATURATION, saturation_default],\n [BlendFunction.SCREEN, screen_default],\n [BlendFunction.SOFT_LIGHT, soft_light_default],\n [BlendFunction.SRC, src_default],\n [BlendFunction.SUBTRACT, subtract_default],\n [BlendFunction.VIVID_LIGHT, vivid_light_default]\n]);\nvar BlendMode = class extends EventDispatcher2 {\n /**\n * Constructs a new blend mode.\n *\n * @param {BlendFunction} blendFunction - The blend function.\n * @param {Number} opacity - The opacity of the color that will be blended with the base color.\n */\n constructor(blendFunction, opacity = 1) {\n super();\n this._blendFunction = blendFunction;\n this.opacity = new Uniform2(opacity);\n }\n /**\n * Returns the opacity.\n *\n * @return {Number} The opacity.\n */\n getOpacity() {\n return this.opacity.value;\n }\n /**\n * Sets the opacity.\n *\n * @param {Number} value - The opacity.\n */\n setOpacity(value) {\n this.opacity.value = value;\n }\n /**\n * The blend function.\n *\n * @type {BlendFunction}\n */\n get blendFunction() {\n return this._blendFunction;\n }\n set blendFunction(value) {\n this._blendFunction = value;\n this.dispatchEvent({ type: \"change\" });\n }\n /**\n * Returns the blend function.\n *\n * @deprecated Use blendFunction instead.\n * @return {BlendFunction} The blend function.\n */\n getBlendFunction() {\n return this.blendFunction;\n }\n /**\n * Sets the blend function.\n *\n * @deprecated Use blendFunction instead.\n * @param {BlendFunction} value - The blend function.\n */\n setBlendFunction(value) {\n this.blendFunction = value;\n }\n /**\n * Returns the blend function shader code.\n *\n * @return {String} The blend function shader code.\n */\n getShaderCode() {\n return blendFunctions.get(this.blendFunction);\n }\n};\n\n// src/effects/BloomEffect.js\nimport { SRGBColorSpace as SRGBColorSpace5, Uniform as Uniform7, WebGLRenderTarget as WebGLRenderTarget8 } from \"three\";\n\n// src/enums/KernelSize.js\nvar KernelSize = {\n VERY_SMALL: 0,\n SMALL: 1,\n MEDIUM: 2,\n LARGE: 3,\n VERY_LARGE: 4,\n HUGE: 5\n};\n\n// src/passes/KawaseBlurPass.js\nimport { SRGBColorSpace as SRGBColorSpace3, UnsignedByteType as UnsignedByteType3, WebGLRenderTarget as WebGLRenderTarget4 } from \"three\";\n\n// src/materials/KawaseBlurMaterial.js\nimport { NoBlending as NoBlending2, ShaderMaterial as ShaderMaterial3, Uniform as Uniform3, Vector4 } from \"three\";\n\n// src/materials/glsl/convolution.kawase.frag\nvar convolution_kawase_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nvarying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec4 sum=texture2D(inputBuffer,vUv0);sum+=texture2D(inputBuffer,vUv1);sum+=texture2D(inputBuffer,vUv2);sum+=texture2D(inputBuffer,vUv3);gl_FragColor=sum*0.25;\\n#include \\n}\";\n\n// src/materials/glsl/convolution.kawase.vert\nvar convolution_kawase_default2 = \"uniform vec4 texelSize;uniform float kernel;uniform float scale;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 uv=position.xy*0.5+0.5;vec2 dUv=(texelSize.xy*vec2(kernel)+texelSize.zw)*scale;vUv0=vec2(uv.x-dUv.x,uv.y+dUv.y);vUv1=vec2(uv.x+dUv.x,uv.y+dUv.y);vUv2=vec2(uv.x+dUv.x,uv.y-dUv.y);vUv3=vec2(uv.x-dUv.x,uv.y-dUv.y);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/KawaseBlurMaterial.js\nvar kernelPresets = [\n new Float32Array([0, 0]),\n new Float32Array([0, 1, 1]),\n new Float32Array([0, 1, 1, 2]),\n new Float32Array([0, 1, 2, 2, 3]),\n new Float32Array([0, 1, 2, 3, 4, 4, 5]),\n new Float32Array([0, 1, 2, 3, 4, 5, 7, 8, 9, 10])\n];\nvar KawaseBlurMaterial = class extends ShaderMaterial3 {\n /**\n * Constructs a new convolution material.\n *\n * TODO Remove texelSize param.\n * @param {Vector4} [texelSize] - Deprecated.\n */\n constructor(texelSize = new Vector4()) {\n super({\n name: \"KawaseBlurMaterial\",\n uniforms: {\n inputBuffer: new Uniform3(null),\n texelSize: new Uniform3(new Vector4()),\n scale: new Uniform3(1),\n kernel: new Uniform3(0)\n },\n blending: NoBlending2,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_kawase_default,\n vertexShader: convolution_kawase_default2\n });\n this.setTexelSize(texelSize.x, texelSize.y);\n this.kernelSize = KernelSize.MEDIUM;\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the input buffer.\n *\n * @deprecated Use inputBuffer instead.\n * @param {Texture} value - The input buffer.\n */\n setInputBuffer(value) {\n this.inputBuffer = value;\n }\n /**\n * The kernel sequence for the current kernel size.\n *\n * @type {Float32Array}\n */\n get kernelSequence() {\n return kernelPresets[this.kernelSize];\n }\n /**\n * The blur scale.\n *\n * @type {Number}\n */\n get scale() {\n return this.uniforms.scale.value;\n }\n set scale(value) {\n this.uniforms.scale.value = value;\n }\n /**\n * Returns the blur scale.\n *\n * @deprecated Use scale instead.\n * @return {Number} The scale.\n */\n getScale() {\n return this.uniforms.scale.value;\n }\n /**\n * Sets the blur scale.\n *\n * @deprecated Use scale instead.\n * @return {Number} value - The scale.\n */\n setScale(value) {\n this.uniforms.scale.value = value;\n }\n /**\n * Returns the kernel.\n *\n * @return {Float32Array} The kernel.\n * @deprecated Implementation detail, removed with no replacement.\n */\n getKernel() {\n return null;\n }\n /**\n * The current kernel.\n *\n * @type {Number}\n */\n get kernel() {\n return this.uniforms.kernel.value;\n }\n set kernel(value) {\n this.uniforms.kernel.value = value;\n }\n /**\n * Sets the current kernel.\n *\n * @deprecated Use kernel instead.\n * @param {Number} value - The kernel.\n */\n setKernel(value) {\n this.kernel = value;\n }\n /**\n * Sets the texel size.\n *\n * @deprecated Use setSize() instead.\n * @param {Number} x - The texel width.\n * @param {Number} y - The texel height.\n */\n setTexelSize(x, y) {\n this.uniforms.texelSize.value.set(x, y, x * 0.5, y * 0.5);\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const x = 1 / width, y = 1 / height;\n this.uniforms.texelSize.value.set(x, y, x * 0.5, y * 0.5);\n }\n};\n\n// src/passes/KawaseBlurPass.js\nvar KawaseBlurPass = class extends Pass {\n /**\n * Constructs a new Kawase blur pass.\n *\n * @param {Object} [options] - The options.\n * @param {KernelSize} [options.kernelSize=KernelSize.MEDIUM] - The blur kernel size.\n * @param {Number} [options.resolutionScale=0.5] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n * @param {Number} [options.width=Resolution.AUTO_SIZE] - Deprecated. Use resolutionX instead.\n * @param {Number} [options.height=Resolution.AUTO_SIZE] - Deprecated. Use resolutionY instead.\n */\n constructor({\n kernelSize = KernelSize.MEDIUM,\n resolutionScale = 0.5,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"KawaseBlurPass\");\n this.renderTargetA = new WebGLRenderTarget4(1, 1, { depthBuffer: false });\n this.renderTargetA.texture.name = \"Blur.Target.A\";\n this.renderTargetB = this.renderTargetA.clone();\n this.renderTargetB.texture.name = \"Blur.Target.B\";\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this._blurMaterial = new KawaseBlurMaterial();\n this._blurMaterial.kernelSize = kernelSize;\n this.copyMaterial = new CopyMaterial();\n }\n /**\n * Returns the resolution settings.\n *\n * @deprecated Use resolution instead.\n * @return {Resolution} The resolution.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * The blur material.\n *\n * @type {KawaseBlurMaterial}\n */\n get blurMaterial() {\n return this._blurMaterial;\n }\n /**\n * The blur material.\n *\n * @type {KawaseBlurMaterial}\n * @protected\n */\n set blurMaterial(value) {\n this._blurMaterial = value;\n }\n /**\n * Indicates whether dithering is enabled.\n *\n * @type {Boolean}\n * @deprecated Use copyMaterial.dithering instead.\n */\n get dithering() {\n return this.copyMaterial.dithering;\n }\n set dithering(value) {\n this.copyMaterial.dithering = value;\n }\n /**\n * The kernel size.\n *\n * @type {KernelSize}\n * @deprecated Use blurMaterial.kernelSize instead.\n */\n get kernelSize() {\n return this.blurMaterial.kernelSize;\n }\n set kernelSize(value) {\n this.blurMaterial.kernelSize = value;\n }\n /**\n * The current width of the internal render targets.\n *\n * @type {Number}\n * @deprecated Use resolution.width instead.\n */\n get width() {\n return this.resolution.width;\n }\n /**\n * Sets the render width.\n *\n * @type {Number}\n * @deprecated Use resolution.preferredWidth instead.\n */\n set width(value) {\n this.resolution.preferredWidth = value;\n }\n /**\n * The current height of the internal render targets.\n *\n * @type {Number}\n * @deprecated Use resolution.height instead.\n */\n get height() {\n return this.resolution.height;\n }\n /**\n * Sets the render height.\n *\n * @type {Number}\n * @deprecated Use resolution.preferredHeight instead.\n */\n set height(value) {\n this.resolution.preferredHeight = value;\n }\n /**\n * The current blur scale.\n *\n * @type {Number}\n * @deprecated Use blurMaterial.scale instead.\n */\n get scale() {\n return this.blurMaterial.scale;\n }\n set scale(value) {\n this.blurMaterial.scale = value;\n }\n /**\n * Returns the current blur scale.\n *\n * @deprecated Use blurMaterial.scale instead.\n * @return {Number} The scale.\n */\n getScale() {\n return this.blurMaterial.scale;\n }\n /**\n * Sets the blur scale.\n *\n * @deprecated Use blurMaterial.scale instead.\n * @param {Number} value - The scale.\n */\n setScale(value) {\n this.blurMaterial.scale = value;\n }\n /**\n * Returns the kernel size.\n *\n * @deprecated Use blurMaterial.kernelSize instead.\n * @return {KernelSize} The kernel size.\n */\n getKernelSize() {\n return this.kernelSize;\n }\n /**\n * Sets the kernel size.\n *\n * Larger kernels require more processing power but scale well with larger render resolutions.\n *\n * @deprecated Use blurMaterial.kernelSize instead.\n * @param {KernelSize} value - The kernel size.\n */\n setKernelSize(value) {\n this.kernelSize = value;\n }\n /**\n * Returns the current resolution scale.\n *\n * @return {Number} The resolution scale.\n * @deprecated Use resolution instead.\n */\n getResolutionScale() {\n return this.resolution.scale;\n }\n /**\n * Sets the resolution scale.\n *\n * @param {Number} scale - The new resolution scale.\n * @deprecated Use resolution instead.\n */\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n /**\n * Renders the blur.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const scene = this.scene;\n const camera = this.camera;\n const renderTargetA = this.renderTargetA;\n const renderTargetB = this.renderTargetB;\n const material = this.blurMaterial;\n const kernelSequence = material.kernelSequence;\n let previousBuffer = inputBuffer;\n this.fullscreenMaterial = material;\n for (let i = 0, l = kernelSequence.length; i < l; ++i) {\n const buffer = (i & 1) === 0 ? renderTargetA : renderTargetB;\n material.kernel = kernelSequence[i];\n material.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(buffer);\n renderer.render(scene, camera);\n previousBuffer = buffer;\n }\n this.fullscreenMaterial = this.copyMaterial;\n this.copyMaterial.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(scene, camera);\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.renderTargetA.setSize(w, h);\n this.renderTargetB.setSize(w, h);\n this.blurMaterial.setSize(width, height);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0) {\n this.renderTargetA.texture.type = frameBufferType;\n this.renderTargetB.texture.type = frameBufferType;\n if (frameBufferType !== UnsignedByteType3) {\n this.blurMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n this.copyMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace3) {\n this.renderTargetA.texture.colorSpace = SRGBColorSpace3;\n this.renderTargetB.texture.colorSpace = SRGBColorSpace3;\n }\n }\n }\n /**\n * An auto sizing flag.\n *\n * @type {Number}\n * @deprecated Use {@link Resolution.AUTO_SIZE} instead.\n */\n static get AUTO_SIZE() {\n return Resolution.AUTO_SIZE;\n }\n};\n\n// src/passes/LuminancePass.js\nimport { UnsignedByteType as UnsignedByteType4, WebGLRenderTarget as WebGLRenderTarget5 } from \"three\";\n\n// src/materials/LuminanceMaterial.js\nimport { NoBlending as NoBlending3, REVISION, ShaderMaterial as ShaderMaterial4, Uniform as Uniform4 } from \"three\";\n\n// src/materials/glsl/luminance.frag\nvar luminance_default = \"#include \\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#ifdef RANGE\\nuniform vec2 range;\\n#elif defined(THRESHOLD)\\nuniform float threshold;uniform float smoothing;\\n#endif\\nvarying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);float l=luminance(texel.rgb);\\n#ifdef RANGE\\nfloat low=step(range.x,l);float high=step(l,range.y);l*=low*high;\\n#elif defined(THRESHOLD)\\nl=smoothstep(threshold,threshold+smoothing,l)*l;\\n#endif\\n#ifdef COLOR\\ngl_FragColor=vec4(texel.rgb*clamp(l,0.0,1.0),l);\\n#else\\ngl_FragColor=vec4(l);\\n#endif\\n}\";\n\n// src/materials/LuminanceMaterial.js\nvar LuminanceMaterial = class extends ShaderMaterial4 {\n /**\n * Constructs a new luminance material.\n *\n * @param {Boolean} [colorOutput=false] - Defines whether the shader should output colors scaled with their luminance value.\n * @param {Vector2} [luminanceRange] - If provided, the shader will mask out texels that aren't in the specified luminance range.\n */\n constructor(colorOutput = false, luminanceRange = null) {\n super({\n name: \"LuminanceMaterial\",\n defines: {\n THREE_REVISION: REVISION.replace(/\\D+/g, \"\")\n },\n uniforms: {\n inputBuffer: new Uniform4(null),\n threshold: new Uniform4(0),\n smoothing: new Uniform4(1),\n range: new Uniform4(null)\n },\n blending: NoBlending3,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: luminance_default,\n vertexShader: common_default\n });\n this.colorOutput = colorOutput;\n this.luminanceRange = luminanceRange;\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the input buffer.\n *\n * @deprecated Use inputBuffer instead.\n * @param {Texture} value - The input buffer.\n */\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * The luminance threshold.\n *\n * @type {Number}\n */\n get threshold() {\n return this.uniforms.threshold.value;\n }\n set threshold(value) {\n if (this.smoothing > 0 || value > 0) {\n this.defines.THRESHOLD = \"1\";\n } else {\n delete this.defines.THRESHOLD;\n }\n this.uniforms.threshold.value = value;\n }\n /**\n * Returns the luminance threshold.\n *\n * @deprecated Use threshold instead.\n * @return {Number} The threshold.\n */\n getThreshold() {\n return this.threshold;\n }\n /**\n * Sets the luminance threshold.\n *\n * @deprecated Use threshold instead.\n * @param {Number} value - The threshold.\n */\n setThreshold(value) {\n this.threshold = value;\n }\n /**\n * The luminance threshold smoothing.\n *\n * @type {Number}\n */\n get smoothing() {\n return this.uniforms.smoothing.value;\n }\n set smoothing(value) {\n if (this.threshold > 0 || value > 0) {\n this.defines.THRESHOLD = \"1\";\n } else {\n delete this.defines.THRESHOLD;\n }\n this.uniforms.smoothing.value = value;\n }\n /**\n * Returns the luminance threshold smoothing factor.\n *\n * @deprecated Use smoothing instead.\n * @return {Number} The smoothing factor.\n */\n getSmoothingFactor() {\n return this.smoothing;\n }\n /**\n * Sets the luminance threshold smoothing factor.\n *\n * @deprecated Use smoothing instead.\n * @param {Number} value - The smoothing factor.\n */\n setSmoothingFactor(value) {\n this.smoothing = value;\n }\n /**\n * Indicates whether the luminance threshold is enabled.\n *\n * @type {Boolean}\n * @deprecated Adjust the threshold or smoothing factor instead.\n */\n get useThreshold() {\n return this.threshold > 0 || this.smoothing > 0;\n }\n set useThreshold(value) {\n }\n /**\n * Indicates whether color output is enabled.\n *\n * @type {Boolean}\n */\n get colorOutput() {\n return this.defines.COLOR !== void 0;\n }\n set colorOutput(value) {\n if (value) {\n this.defines.COLOR = \"1\";\n } else {\n delete this.defines.COLOR;\n }\n this.needsUpdate = true;\n }\n /**\n * Indicates whether color output is enabled.\n *\n * @deprecated Use colorOutput instead.\n * @return {Boolean} Whether color output is enabled.\n */\n isColorOutputEnabled(value) {\n return this.colorOutput;\n }\n /**\n * Enables or disables color output.\n *\n * @deprecated Use colorOutput instead.\n * @param {Boolean} value - Whether color output should be enabled.\n */\n setColorOutputEnabled(value) {\n this.colorOutput = value;\n }\n /**\n * Indicates whether luminance masking is enabled.\n *\n * @type {Boolean}\n * @deprecated\n */\n get useRange() {\n return this.luminanceRange !== null;\n }\n set useRange(value) {\n this.luminanceRange = null;\n }\n /**\n * The luminance range. Set to null to disable.\n *\n * @type {Boolean}\n */\n get luminanceRange() {\n return this.uniforms.range.value;\n }\n set luminanceRange(value) {\n if (value !== null) {\n this.defines.RANGE = \"1\";\n } else {\n delete this.defines.RANGE;\n }\n this.uniforms.range.value = value;\n this.needsUpdate = true;\n }\n /**\n * Returns the current luminance range.\n *\n * @deprecated Use luminanceRange instead.\n * @return {Vector2} The luminance range.\n */\n getLuminanceRange() {\n return this.luminanceRange;\n }\n /**\n * Sets a luminance range. Set to null to disable.\n *\n * @deprecated Use luminanceRange instead.\n * @param {Vector2} value - The luminance range.\n */\n setLuminanceRange(value) {\n this.luminanceRange = value;\n }\n};\n\n// src/passes/LuminancePass.js\nvar LuminancePass = class extends Pass {\n /**\n * Constructs a new luminance pass.\n *\n * @param {Object} [options] - The options. See {@link LuminanceMaterial} for additional options.\n * @param {WebGLRenderTarget} [options.renderTarget] - A custom render target.\n * @param {Number} [options.resolutionScale=1.0] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n * @param {Number} [options.width=Resolution.AUTO_SIZE] - Deprecated. Use resolutionX instead.\n * @param {Number} [options.height=Resolution.AUTO_SIZE] - Deprecated. Use resolutionY instead.\n */\n constructor({\n renderTarget,\n luminanceRange,\n colorOutput,\n resolutionScale = 1,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"LuminancePass\");\n this.fullscreenMaterial = new LuminanceMaterial(colorOutput, luminanceRange);\n this.needsSwap = false;\n this.renderTarget = renderTarget;\n if (this.renderTarget === void 0) {\n this.renderTarget = new WebGLRenderTarget5(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"LuminancePass.Target\";\n }\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n /**\n * The luminance texture.\n *\n * @type {Texture}\n */\n get texture() {\n return this.renderTarget.texture;\n }\n /**\n * Returns the luminance texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.renderTarget.texture;\n }\n /**\n * Returns the resolution settings.\n *\n * @deprecated Use resolution instead.\n * @return {Resolution} The resolution.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * Renders the luminance.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const material = this.fullscreenMaterial;\n material.inputBuffer = inputBuffer.texture;\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n renderer.render(this.scene, this.camera);\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - A renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0 && frameBufferType !== UnsignedByteType4) {\n this.renderTarget.texture.type = frameBufferType;\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n }\n }\n};\n\n// src/passes/MipmapBlurPass.js\nimport { SRGBColorSpace as SRGBColorSpace4, UnsignedByteType as UnsignedByteType5, Vector2 as Vector25, WebGLRenderTarget as WebGLRenderTarget6 } from \"three\";\n\n// src/materials/DownsamplingMaterial.js\nimport { NoBlending as NoBlending4, ShaderMaterial as ShaderMaterial5, Uniform as Uniform5, Vector2 as Vector23 } from \"three\";\n\n// src/materials/glsl/convolution.downsampling.frag\nvar convolution_downsampling_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#define WEIGHT_INNER 0.125\\n#define WEIGHT_OUTER 0.0555555\\nvarying vec2 vUv;varying vec2 vUv00;varying vec2 vUv01;varying vec2 vUv02;varying vec2 vUv03;varying vec2 vUv04;varying vec2 vUv05;varying vec2 vUv06;varying vec2 vUv07;varying vec2 vUv08;varying vec2 vUv09;varying vec2 vUv10;varying vec2 vUv11;float clampToBorder(const in vec2 uv){return float(uv.s>=0.0&&uv.s<=1.0&&uv.t>=0.0&&uv.t<=1.0);}void main(){vec4 c=vec4(0.0);vec4 w=WEIGHT_INNER*vec4(clampToBorder(vUv00),clampToBorder(vUv01),clampToBorder(vUv02),clampToBorder(vUv03));c+=w.x*texture2D(inputBuffer,vUv00);c+=w.y*texture2D(inputBuffer,vUv01);c+=w.z*texture2D(inputBuffer,vUv02);c+=w.w*texture2D(inputBuffer,vUv03);w=WEIGHT_OUTER*vec4(clampToBorder(vUv04),clampToBorder(vUv05),clampToBorder(vUv06),clampToBorder(vUv07));c+=w.x*texture2D(inputBuffer,vUv04);c+=w.y*texture2D(inputBuffer,vUv05);c+=w.z*texture2D(inputBuffer,vUv06);c+=w.w*texture2D(inputBuffer,vUv07);w=WEIGHT_OUTER*vec4(clampToBorder(vUv08),clampToBorder(vUv09),clampToBorder(vUv10),clampToBorder(vUv11));c+=w.x*texture2D(inputBuffer,vUv08);c+=w.y*texture2D(inputBuffer,vUv09);c+=w.z*texture2D(inputBuffer,vUv10);c+=w.w*texture2D(inputBuffer,vUv11);c+=WEIGHT_OUTER*texture2D(inputBuffer,vUv);gl_FragColor=c;\\n#include \\n}\";\n\n// src/materials/glsl/convolution.downsampling.vert\nvar convolution_downsampling_default2 = \"uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv00;varying vec2 vUv01;varying vec2 vUv02;varying vec2 vUv03;varying vec2 vUv04;varying vec2 vUv05;varying vec2 vUv06;varying vec2 vUv07;varying vec2 vUv08;varying vec2 vUv09;varying vec2 vUv10;varying vec2 vUv11;void main(){vUv=position.xy*0.5+0.5;vUv00=vUv+texelSize*vec2(-1.0,1.0);vUv01=vUv+texelSize*vec2(1.0,1.0);vUv02=vUv+texelSize*vec2(-1.0,-1.0);vUv03=vUv+texelSize*vec2(1.0,-1.0);vUv04=vUv+texelSize*vec2(-2.0,2.0);vUv05=vUv+texelSize*vec2(0.0,2.0);vUv06=vUv+texelSize*vec2(2.0,2.0);vUv07=vUv+texelSize*vec2(-2.0,0.0);vUv08=vUv+texelSize*vec2(2.0,0.0);vUv09=vUv+texelSize*vec2(-2.0,-2.0);vUv10=vUv+texelSize*vec2(0.0,-2.0);vUv11=vUv+texelSize*vec2(2.0,-2.0);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/DownsamplingMaterial.js\nvar DownsamplingMaterial = class extends ShaderMaterial5 {\n /**\n * Constructs a new downsampling material.\n */\n constructor() {\n super({\n name: \"DownsamplingMaterial\",\n uniforms: {\n inputBuffer: new Uniform5(null),\n texelSize: new Uniform5(new Vector23())\n },\n blending: NoBlending4,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_downsampling_default,\n vertexShader: convolution_downsampling_default2\n });\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/UpsamplingMaterial.js\nimport { NoBlending as NoBlending5, ShaderMaterial as ShaderMaterial6, Uniform as Uniform6, Vector2 as Vector24 } from \"three\";\n\n// src/materials/glsl/convolution.upsampling.frag\nvar convolution_upsampling_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;uniform mediump sampler2D supportBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;uniform lowp sampler2D supportBuffer;\\n#endif\\nuniform float radius;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;varying vec2 vUv6;varying vec2 vUv7;void main(){vec4 c=vec4(0.0);c+=texture2D(inputBuffer,vUv0)*0.0625;c+=texture2D(inputBuffer,vUv1)*0.125;c+=texture2D(inputBuffer,vUv2)*0.0625;c+=texture2D(inputBuffer,vUv3)*0.125;c+=texture2D(inputBuffer,vUv)*0.25;c+=texture2D(inputBuffer,vUv4)*0.125;c+=texture2D(inputBuffer,vUv5)*0.0625;c+=texture2D(inputBuffer,vUv6)*0.125;c+=texture2D(inputBuffer,vUv7)*0.0625;vec4 baseColor=texture2D(supportBuffer,vUv);gl_FragColor=mix(baseColor,c,radius);\\n#include \\n}\";\n\n// src/materials/glsl/convolution.upsampling.vert\nvar convolution_upsampling_default2 = \"uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;varying vec2 vUv6;varying vec2 vUv7;void main(){vUv=position.xy*0.5+0.5;vUv0=vUv+texelSize*vec2(-1.0,1.0);vUv1=vUv+texelSize*vec2(0.0,1.0);vUv2=vUv+texelSize*vec2(1.0,1.0);vUv3=vUv+texelSize*vec2(-1.0,0.0);vUv4=vUv+texelSize*vec2(1.0,0.0);vUv5=vUv+texelSize*vec2(-1.0,-1.0);vUv6=vUv+texelSize*vec2(0.0,-1.0);vUv7=vUv+texelSize*vec2(1.0,-1.0);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/UpsamplingMaterial.js\nvar UpsamplingMaterial = class extends ShaderMaterial6 {\n /**\n * Constructs a new upsampling material.\n */\n constructor() {\n super({\n name: \"UpsamplingMaterial\",\n uniforms: {\n inputBuffer: new Uniform6(null),\n supportBuffer: new Uniform6(null),\n texelSize: new Uniform6(new Vector24()),\n radius: new Uniform6(0.85)\n },\n blending: NoBlending5,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_upsampling_default,\n vertexShader: convolution_upsampling_default2\n });\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * A support buffer.\n *\n * @type {Texture}\n */\n set supportBuffer(value) {\n this.uniforms.supportBuffer.value = value;\n }\n /**\n * The blur radius.\n *\n * @type {Number}\n */\n get radius() {\n return this.uniforms.radius.value;\n }\n set radius(value) {\n this.uniforms.radius.value = value;\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/passes/MipmapBlurPass.js\nvar MipmapBlurPass = class extends Pass {\n /**\n * Constructs a new mipmap blur pass.\n *\n * @param {Object} [options] - The options.\n */\n constructor() {\n super(\"MipmapBlurPass\");\n this.needsSwap = false;\n this.renderTarget = new WebGLRenderTarget6(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"Upsampling.Mipmap0\";\n this.downsamplingMipmaps = [];\n this.upsamplingMipmaps = [];\n this.downsamplingMaterial = new DownsamplingMaterial();\n this.upsamplingMaterial = new UpsamplingMaterial();\n this.resolution = new Vector25();\n }\n /**\n * A texture that contains the blurred result.\n *\n * @type {Texture}\n */\n get texture() {\n return this.renderTarget.texture;\n }\n /**\n * The MIP levels. Default is 8.\n *\n * @type {Number}\n */\n get levels() {\n return this.downsamplingMipmaps.length;\n }\n set levels(value) {\n if (this.levels !== value) {\n const renderTarget = this.renderTarget;\n this.dispose();\n this.downsamplingMipmaps = [];\n this.upsamplingMipmaps = [];\n for (let i = 0; i < value; ++i) {\n const mipmap = renderTarget.clone();\n mipmap.texture.name = \"Downsampling.Mipmap\" + i;\n this.downsamplingMipmaps.push(mipmap);\n }\n this.upsamplingMipmaps.push(renderTarget);\n for (let i = 1, l = value - 1; i < l; ++i) {\n const mipmap = renderTarget.clone();\n mipmap.texture.name = \"Upsampling.Mipmap\" + i;\n this.upsamplingMipmaps.push(mipmap);\n }\n this.setSize(this.resolution.x, this.resolution.y);\n }\n }\n /**\n * The blur radius.\n *\n * @type {Number}\n */\n get radius() {\n return this.upsamplingMaterial.radius;\n }\n set radius(value) {\n this.upsamplingMaterial.radius = value;\n }\n /**\n * Renders the blur.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const { scene, camera } = this;\n const { downsamplingMaterial, upsamplingMaterial } = this;\n const { downsamplingMipmaps, upsamplingMipmaps } = this;\n let previousBuffer = inputBuffer;\n this.fullscreenMaterial = downsamplingMaterial;\n for (let i = 0, l = downsamplingMipmaps.length; i < l; ++i) {\n const mipmap = downsamplingMipmaps[i];\n downsamplingMaterial.setSize(previousBuffer.width, previousBuffer.height);\n downsamplingMaterial.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(mipmap);\n renderer.render(scene, camera);\n previousBuffer = mipmap;\n }\n this.fullscreenMaterial = upsamplingMaterial;\n for (let i = upsamplingMipmaps.length - 1; i >= 0; --i) {\n const mipmap = upsamplingMipmaps[i];\n upsamplingMaterial.setSize(previousBuffer.width, previousBuffer.height);\n upsamplingMaterial.inputBuffer = previousBuffer.texture;\n upsamplingMaterial.supportBuffer = downsamplingMipmaps[i].texture;\n renderer.setRenderTarget(mipmap);\n renderer.render(scene, camera);\n previousBuffer = mipmap;\n }\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.set(width, height);\n let w = resolution.width, h = resolution.height;\n for (let i = 0, l = this.downsamplingMipmaps.length; i < l; ++i) {\n w = Math.round(w * 0.5);\n h = Math.round(h * 0.5);\n this.downsamplingMipmaps[i].setSize(w, h);\n if (i < this.upsamplingMipmaps.length) {\n this.upsamplingMipmaps[i].setSize(w, h);\n }\n }\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0) {\n const mipmaps = this.downsamplingMipmaps.concat(this.upsamplingMipmaps);\n for (const mipmap of mipmaps) {\n mipmap.texture.type = frameBufferType;\n }\n if (frameBufferType !== UnsignedByteType5) {\n this.downsamplingMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n this.upsamplingMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace4) {\n for (const mipmap of mipmaps) {\n mipmap.texture.colorSpace = SRGBColorSpace4;\n }\n }\n }\n }\n /**\n * Deletes internal render targets and textures.\n */\n dispose() {\n super.dispose();\n for (const mipmap of this.downsamplingMipmaps.concat(this.upsamplingMipmaps)) {\n mipmap.dispose();\n }\n }\n};\n\n// src/effects/Effect.js\nimport {\n BasicDepthPacking as BasicDepthPacking2,\n EventDispatcher as EventDispatcher3,\n LinearSRGBColorSpace as LinearSRGBColorSpace2,\n Material as Material2,\n NoColorSpace,\n Texture as Texture2,\n WebGLRenderTarget as WebGLRenderTarget7\n} from \"three\";\nvar Effect = class extends EventDispatcher3 {\n /**\n * Constructs a new effect.\n *\n * @param {String} name - The name of this effect. Doesn't have to be unique.\n * @param {String} fragmentShader - The fragment shader. This shader is required.\n * @param {Object} [options] - Additional options.\n * @param {EffectAttribute} [options.attributes=EffectAttribute.NONE] - The effect attributes that determine the execution priority and resource requirements.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.NORMAL] - The blend function of this effect.\n * @param {Map} [options.defines] - Custom preprocessor macro definitions. Keys are names and values are code.\n * @param {Map} [options.uniforms] - Custom shader uniforms. Keys are names and values are uniforms.\n * @param {Set} [options.extensions] - WebGL extensions.\n * @param {String} [options.vertexShader=null] - The vertex shader. Most effects don't need one.\n */\n constructor(name, fragmentShader, {\n attributes = EffectAttribute.NONE,\n blendFunction = BlendFunction.NORMAL,\n defines = /* @__PURE__ */ new Map(),\n uniforms = /* @__PURE__ */ new Map(),\n extensions = null,\n vertexShader = null\n } = {}) {\n super();\n this.name = name;\n this.renderer = null;\n this.attributes = attributes;\n this.fragmentShader = fragmentShader;\n this.vertexShader = vertexShader;\n this.defines = defines;\n this.uniforms = uniforms;\n this.extensions = extensions;\n this.blendMode = new BlendMode(blendFunction);\n this.blendMode.addEventListener(\"change\", (event) => this.setChanged());\n this._inputColorSpace = LinearSRGBColorSpace2;\n this._outputColorSpace = NoColorSpace;\n }\n /**\n * The input color space.\n *\n * @type {ColorSpace}\n * @experimental\n */\n get inputColorSpace() {\n return this._inputColorSpace;\n }\n /**\n * @type {ColorSpace}\n * @protected\n * @experimental\n */\n set inputColorSpace(value) {\n this._inputColorSpace = value;\n this.setChanged();\n }\n /**\n * The output color space.\n *\n * Should only be changed if this effect converts the input colors to a different color space.\n *\n * @type {ColorSpace}\n * @experimental\n */\n get outputColorSpace() {\n return this._outputColorSpace;\n }\n /**\n * @type {ColorSpace}\n * @protected\n * @experimental\n */\n set outputColorSpace(value) {\n this._outputColorSpace = value;\n this.setChanged();\n }\n /**\n * Sets the main scene.\n *\n * @type {Scene}\n */\n set mainScene(value) {\n }\n /**\n * Sets the main camera.\n *\n * @type {Camera}\n */\n set mainCamera(value) {\n }\n /**\n * Returns the name of this effect.\n *\n * @deprecated Use name instead.\n * @return {String} The name.\n */\n getName() {\n return this.name;\n }\n /**\n * Sets the renderer.\n *\n * @deprecated\n * @param {WebGLRenderer} renderer - The renderer.\n */\n setRenderer(renderer) {\n this.renderer = renderer;\n }\n /**\n * Returns the preprocessor macro definitions.\n *\n * @deprecated Use defines instead.\n * @return {Map} The extensions.\n */\n getDefines() {\n return this.defines;\n }\n /**\n * Returns the uniforms of this effect.\n *\n * @deprecated Use uniforms instead.\n * @return {Map} The extensions.\n */\n getUniforms() {\n return this.uniforms;\n }\n /**\n * Returns the WebGL extensions that are required by this effect.\n *\n * @deprecated Use extensions instead.\n * @return {Set} The extensions.\n */\n getExtensions() {\n return this.extensions;\n }\n /**\n * Returns the blend mode.\n *\n * The result of this effect will be blended with the result of the previous effect using this blend mode.\n *\n * @deprecated Use blendMode instead.\n * @return {BlendMode} The blend mode.\n */\n getBlendMode() {\n return this.blendMode;\n }\n /**\n * Returns the effect attributes.\n *\n * @return {EffectAttribute} The attributes.\n */\n getAttributes() {\n return this.attributes;\n }\n /**\n * Sets the effect attributes.\n *\n * Effects that have the same attributes will be executed in the order in which they were registered. Some attributes\n * imply a higher priority.\n *\n * @protected\n * @param {EffectAttribute} attributes - The attributes.\n */\n setAttributes(attributes) {\n this.attributes = attributes;\n this.setChanged();\n }\n /**\n * Returns the fragment shader.\n *\n * @return {String} The fragment shader.\n */\n getFragmentShader() {\n return this.fragmentShader;\n }\n /**\n * Sets the fragment shader.\n *\n * @protected\n * @param {String} fragmentShader - The fragment shader.\n */\n setFragmentShader(fragmentShader) {\n this.fragmentShader = fragmentShader;\n this.setChanged();\n }\n /**\n * Returns the vertex shader.\n *\n * @return {String} The vertex shader.\n */\n getVertexShader() {\n return this.vertexShader;\n }\n /**\n * Sets the vertex shader.\n *\n * @protected\n * @param {String} vertexShader - The vertex shader.\n */\n setVertexShader(vertexShader) {\n this.vertexShader = vertexShader;\n this.setChanged();\n }\n /**\n * Informs the associated {@link EffectPass} that this effect requires a shader recompilation.\n *\n * Should be called after changing macros or extensions and after adding/removing uniforms.\n *\n * @protected\n */\n setChanged() {\n this.dispatchEvent({ type: \"change\" });\n }\n /**\n * Sets the depth texture.\n *\n * You may override this method if your effect requires direct access to the depth texture that is bound to the\n * associated {@link EffectPass}.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking2) {\n }\n /**\n * Updates this effect by performing supporting operations.\n *\n * This method is called by the {@link EffectPass} right before the main fullscreen render operation, even if the\n * blend function is set to `SKIP`.\n *\n * You may override this method if you need to update custom uniforms or render additional off-screen textures.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n }\n /**\n * Updates the size of this effect.\n *\n * You may override this method if you want to be informed about the size of the backbuffer/canvas.\n * This method is called before {@link initialize} and every time the size of the {@link EffectComposer} changes.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n }\n /**\n * Performs initialization tasks.\n *\n * This method is called when the associated {@link EffectPass} is added to an {@link EffectComposer}.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n * @example if(!alpha && frameBufferType === UnsignedByteType) { this.myRenderTarget.texture.format = RGBFormat; }\n */\n initialize(renderer, alpha, frameBufferType) {\n }\n /**\n * Performs a shallow search for properties that define a dispose method and deletes them.\n *\n * The {@link EffectComposer} calls this method when it is being destroyed.\n */\n dispose() {\n for (const key of Object.keys(this)) {\n const property = this[key];\n const isDisposable = property instanceof WebGLRenderTarget7 || property instanceof Material2 || property instanceof Texture2 || property instanceof Pass;\n if (isDisposable) {\n this[key].dispose();\n }\n }\n }\n};\n\n// src/effects/glsl/bloom.frag\nvar bloom_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nuniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec4 texel=texture2D(map,uv);outputColor=vec4(texel.rgb*intensity,texel.a);}\";\n\n// src/effects/BloomEffect.js\nvar BloomEffect = class extends Effect {\n /**\n * Constructs a new bloom effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SCREEN] - The blend function of this effect.\n * @param {Number} [options.luminanceThreshold=0.9] - The luminance threshold. Raise this value to mask out darker elements in the scene.\n * @param {Number} [options.luminanceSmoothing=0.025] - Controls the smoothness of the luminance threshold.\n * @param {Boolean} [options.mipmapBlur=false] - Enables or disables mipmap blur.\n * @param {Number} [options.intensity=1.0] - The bloom intensity.\n * @param {Number} [options.radius=0.85] - The blur radius. Only applies to mipmap blur.\n * @param {Number} [options.levels=8] - The amount of MIP levels. Only applies to mipmap blur.\n * @param {KernelSize} [options.kernelSize=KernelSize.LARGE] - Deprecated. Use mipmapBlur instead.\n * @param {Number} [options.resolutionScale=0.5] - Deprecated. Use mipmapBlur instead.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - Deprecated. Use mipmapBlur instead.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - Deprecated. Use mipmapBlur instead.\n * @param {Number} [options.width=Resolution.AUTO_SIZE] - Deprecated. Use mipmapBlur instead.\n * @param {Number} [options.height=Resolution.AUTO_SIZE] - Deprecated. Use mipmapBlur instead.\n */\n constructor({\n blendFunction = BlendFunction.SCREEN,\n luminanceThreshold = 0.9,\n luminanceSmoothing = 0.025,\n mipmapBlur = false,\n intensity = 1,\n radius = 0.85,\n levels = 8,\n kernelSize = KernelSize.LARGE,\n resolutionScale = 0.5,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"BloomEffect\", bloom_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"map\", new Uniform7(null)],\n [\"intensity\", new Uniform7(intensity)]\n ])\n });\n this.renderTarget = new WebGLRenderTarget8(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"Bloom.Target\";\n this.blurPass = new KawaseBlurPass({ kernelSize });\n this.luminancePass = new LuminancePass({ colorOutput: true });\n this.luminanceMaterial.threshold = luminanceThreshold;\n this.luminanceMaterial.smoothing = luminanceSmoothing;\n this.mipmapBlurPass = new MipmapBlurPass();\n this.mipmapBlurPass.enabled = mipmapBlur;\n this.mipmapBlurPass.radius = radius;\n this.mipmapBlurPass.levels = levels;\n this.uniforms.get(\"map\").value = mipmapBlur ? this.mipmapBlurPass.texture : this.renderTarget.texture;\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n /**\n * A texture that contains the intermediate result of this effect.\n *\n * @type {Texture}\n */\n get texture() {\n return this.mipmapBlurPass.enabled ? this.mipmapBlurPass.texture : this.renderTarget.texture;\n }\n /**\n * Returns the generated bloom texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.texture;\n }\n /**\n * Returns the resolution settings.\n *\n * @deprecated Use resolution instead.\n * @return {Resolution} The resolution.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * Returns the blur pass.\n *\n * @deprecated\n * @return {KawaseBlurPass} The blur pass.\n */\n getBlurPass() {\n return this.blurPass;\n }\n /**\n * Returns the luminance pass.\n *\n * @deprecated Use luminancePass instead.\n * @return {LuminancePass} The luminance pass.\n */\n getLuminancePass() {\n return this.luminancePass;\n }\n /**\n * The luminance material.\n *\n * @type {LuminanceMaterial}\n */\n get luminanceMaterial() {\n return this.luminancePass.fullscreenMaterial;\n }\n /**\n * Returns the luminance material.\n *\n * @deprecated Use luminanceMaterial instead.\n * @return {LuminanceMaterial} The material.\n */\n getLuminanceMaterial() {\n return this.luminancePass.fullscreenMaterial;\n }\n /**\n * The current width of the internal render targets.\n *\n * @type {Number}\n * @deprecated\n */\n get width() {\n return this.resolution.width;\n }\n set width(value) {\n this.resolution.preferredWidth = value;\n }\n /**\n * The current height of the internal render targets.\n *\n * @type {Number}\n * @deprecated\n */\n get height() {\n return this.resolution.height;\n }\n set height(value) {\n this.resolution.preferredHeight = value;\n }\n /**\n * Indicates whether dithering is enabled.\n *\n * @type {Boolean}\n * @deprecated Use EffectPass.dithering instead.\n */\n get dithering() {\n return this.blurPass.dithering;\n }\n set dithering(value) {\n this.blurPass.dithering = value;\n }\n /**\n * The blur kernel size.\n *\n * @type {KernelSize}\n * @deprecated\n */\n get kernelSize() {\n return this.blurPass.kernelSize;\n }\n set kernelSize(value) {\n this.blurPass.kernelSize = value;\n }\n /**\n * @type {Number}\n * @deprecated\n */\n get distinction() {\n console.warn(this.name, \"distinction was removed\");\n return 1;\n }\n set distinction(value) {\n console.warn(this.name, \"distinction was removed\");\n }\n /**\n * The bloom intensity.\n *\n * @type {Number}\n */\n get intensity() {\n return this.uniforms.get(\"intensity\").value;\n }\n set intensity(value) {\n this.uniforms.get(\"intensity\").value = value;\n }\n /**\n * The bloom intensity.\n *\n * @deprecated Use intensity instead.\n * @return {Number} The intensity.\n */\n getIntensity() {\n return this.intensity;\n }\n /**\n * Sets the bloom intensity.\n *\n * @deprecated Use intensity instead.\n * @param {Number} value - The intensity.\n */\n setIntensity(value) {\n this.intensity = value;\n }\n /**\n * Returns the current resolution scale.\n *\n * @return {Number} The resolution scale.\n * @deprecated\n */\n getResolutionScale() {\n return this.resolution.scale;\n }\n /**\n * Sets the resolution scale.\n *\n * @param {Number} scale - The new resolution scale.\n * @deprecated\n */\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n const renderTarget = this.renderTarget;\n const luminancePass = this.luminancePass;\n if (luminancePass.enabled) {\n luminancePass.render(renderer, inputBuffer);\n if (this.mipmapBlurPass.enabled) {\n this.mipmapBlurPass.render(renderer, luminancePass.renderTarget);\n } else {\n this.blurPass.render(renderer, luminancePass.renderTarget, renderTarget);\n }\n } else {\n if (this.mipmapBlurPass.enabled) {\n this.mipmapBlurPass.render(renderer, inputBuffer);\n } else {\n this.blurPass.render(renderer, inputBuffer, renderTarget);\n }\n }\n }\n /**\n * Updates the size of internal render targets.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n this.blurPass.resolution.copy(resolution);\n this.luminancePass.setSize(width, height);\n this.mipmapBlurPass.setSize(width, height);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n this.blurPass.initialize(renderer, alpha, frameBufferType);\n this.luminancePass.initialize(renderer, alpha, frameBufferType);\n this.mipmapBlurPass.initialize(renderer, alpha, frameBufferType);\n if (frameBufferType !== void 0) {\n this.renderTarget.texture.type = frameBufferType;\n if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace5) {\n this.renderTarget.texture.colorSpace = SRGBColorSpace5;\n }\n }\n }\n};\n\n// src/effects/BokehEffect.js\nimport { Uniform as Uniform8 } from \"three\";\n\n// src/effects/glsl/bokeh.frag\nvar bokeh_default = \"uniform float focus;uniform float dof;uniform float aperture;uniform float maxBlur;void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){vec2 aspectCorrection=vec2(1.0,aspect);\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(depth,cameraNear,cameraFar);float linearDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearDepth=depth;\\n#endif\\nfloat focusNear=clamp(focus-dof,0.0,1.0);float focusFar=clamp(focus+dof,0.0,1.0);float low=step(linearDepth,focusNear);float high=step(focusFar,linearDepth);float factor=(linearDepth-focusNear)*low+(linearDepth-focusFar)*high;vec2 dofBlur=vec2(clamp(factor*aperture,-maxBlur,maxBlur));vec2 dofblur9=dofBlur*0.9;vec2 dofblur7=dofBlur*0.7;vec2 dofblur4=dofBlur*0.4;vec4 color=inputColor;color+=texture2D(inputBuffer,uv+(vec2(0.0,0.4)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.15,0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.29,0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.37,0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.40,0.0)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.37,-0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.29,-0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.15,-0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.0,-0.4)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.15,0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.29,0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.37,0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.4,0.0)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.37,-0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.29,-0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.15,-0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.15,0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.37,0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.37,-0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.15,-0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.15,0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.37,0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.37,-0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.15,-0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.29,0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.40,0.0)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.29,-0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.0,-0.4)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(-0.29,0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(-0.4,0.0)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(-0.29,-0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.0,0.4)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.29,0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.4,0.0)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.29,-0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.0,-0.4)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(-0.29,0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(-0.4,0.0)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(-0.29,-0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.0,0.4)*aspectCorrection)*dofblur4);outputColor=color/41.0;}\";\n\n// src/effects/BokehEffect.js\nvar BokehEffect = class extends Effect {\n /**\n * Constructs a new bokeh effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction] - The blend function of this effect.\n * @param {Number} [options.focus=0.5] - The focus distance ratio, ranging from 0.0 to 1.0.\n * @param {Number} [options.dof=0.02] - Depth of field. An area in front of and behind the focal point that still appears sharp.\n * @param {Number} [options.aperture=0.015] - Camera aperture scale. Bigger values for stronger blur and shallower depth of field.\n * @param {Number} [options.maxBlur=1.0] - The maximum blur strength.\n */\n constructor({\n blendFunction,\n focus = 0.5,\n dof = 0.02,\n aperture = 0.015,\n maxBlur = 1\n } = {}) {\n super(\"BokehEffect\", bokeh_default, {\n blendFunction,\n attributes: EffectAttribute.CONVOLUTION | EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"focus\", new Uniform8(focus)],\n [\"dof\", new Uniform8(dof)],\n [\"aperture\", new Uniform8(aperture)],\n [\"maxBlur\", new Uniform8(maxBlur)]\n ])\n });\n }\n};\n\n// src/effects/BrightnessContrastEffect.js\nimport { SRGBColorSpace as SRGBColorSpace6, Uniform as Uniform9 } from \"three\";\n\n// src/effects/glsl/brightness-contrast.frag\nvar brightness_contrast_default = \"uniform float brightness;uniform float contrast;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=inputColor.rgb+vec3(brightness-0.5);if(contrast>0.0){color/=vec3(1.0-contrast);}else{color*=vec3(1.0+contrast);}outputColor=vec4(color+vec3(0.5),inputColor.a);}\";\n\n// src/effects/BrightnessContrastEffect.js\nvar BrightnessContrastEffect = class extends Effect {\n /**\n * Constructs a new brightness/contrast effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SRC] - The blend function of this effect.\n * @param {Number} [options.brightness=0.0] - The brightness factor, ranging from -1 to 1, where 0 means no change.\n * @param {Number} [options.contrast=0.0] - The contrast factor, ranging from -1 to 1, where 0 means no change.\n */\n constructor({ blendFunction = BlendFunction.SRC, brightness = 0, contrast = 0 } = {}) {\n super(\"BrightnessContrastEffect\", brightness_contrast_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"brightness\", new Uniform9(brightness)],\n [\"contrast\", new Uniform9(contrast)]\n ])\n });\n this.inputColorSpace = SRGBColorSpace6;\n }\n /**\n * The brightness.\n *\n * @type {Number}\n */\n get brightness() {\n return this.uniforms.get(\"brightness\").value;\n }\n set brightness(value) {\n this.uniforms.get(\"brightness\").value = value;\n }\n /**\n * Returns the brightness.\n *\n * @deprecated Use brightness instead.\n * @return {Number} The brightness.\n */\n getBrightness() {\n return this.brightness;\n }\n /**\n * Sets the brightness.\n *\n * @deprecated Use brightness instead.\n * @param {Number} value - The brightness.\n */\n setBrightness(value) {\n this.brightness = value;\n }\n /**\n * The contrast.\n *\n * @type {Number}\n */\n get contrast() {\n return this.uniforms.get(\"contrast\").value;\n }\n set contrast(value) {\n this.uniforms.get(\"contrast\").value = value;\n }\n /**\n * Returns the contrast.\n *\n * @deprecated Use contrast instead.\n * @return {Number} The contrast.\n */\n getContrast() {\n return this.contrast;\n }\n /**\n * Sets the contrast.\n *\n * @deprecated Use contrast instead.\n * @param {Number} value - The contrast.\n */\n setContrast(value) {\n this.contrast = value;\n }\n};\n\n// src/effects/glsl/color-average.frag\nvar color_average_default = \"void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=vec4(vec3(average(inputColor.rgb)),inputColor.a);}\";\n\n// src/effects/ColorAverageEffect.js\nvar ColorAverageEffect = class extends Effect {\n /**\n * Constructs a new color average effect.\n *\n * @param {BlendFunction} [blendFunction] - The blend function of this effect.\n */\n constructor(blendFunction) {\n super(\"ColorAverageEffect\", color_average_default, { blendFunction });\n }\n};\n\n// src/effects/ColorDepthEffect.js\nimport { Uniform as Uniform10 } from \"three\";\n\n// src/effects/glsl/color-depth.frag\nvar color_depth_default = \"uniform float factor;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=vec4(floor(inputColor.rgb*factor+0.5)/factor,inputColor.a);}\";\n\n// src/effects/ColorDepthEffect.js\nvar ColorDepthEffect = class extends Effect {\n /**\n * Constructs a new color depth effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction] - The blend function of this effect.\n * @param {Number} [options.bits=16] - The color bit depth.\n */\n constructor({ blendFunction, bits = 16 } = {}) {\n super(\"ColorDepthEffect\", color_depth_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"factor\", new Uniform10(1)]\n ])\n });\n this.bits = 0;\n this.bitDepth = bits;\n }\n /**\n * The virtual amount of color bits.\n *\n * Each color channel effectively uses a fourth of the total amount of bits. Alpha remains unaffected.\n *\n * @type {Number}\n */\n get bitDepth() {\n return this.bits;\n }\n set bitDepth(value) {\n this.bits = value;\n this.uniforms.get(\"factor\").value = Math.pow(2, value / 3);\n }\n /**\n * Returns the current color bit depth.\n *\n * @return {Number} The bit depth.\n */\n getBitDepth() {\n return this.bitDepth;\n }\n /**\n * Sets the virtual amount of color bits.\n *\n * @param {Number} value - The bit depth.\n */\n setBitDepth(value) {\n this.bitDepth = value;\n }\n};\n\n// src/effects/ChromaticAberrationEffect.js\nimport { Uniform as Uniform11, Vector2 as Vector26 } from \"three\";\n\n// src/effects/glsl/chromatic-aberration.frag\nvar chromatic_aberration_default = \"#ifdef RADIAL_MODULATION\\nuniform float modulationOffset;\\n#endif\\nvarying float vActive;varying vec2 vUvR;varying vec2 vUvB;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec2 ra=inputColor.ra;vec2 ba=inputColor.ba;\\n#ifdef RADIAL_MODULATION\\nconst vec2 center=vec2(0.5);float d=distance(uv,center)*2.0;d=max(d-modulationOffset,0.0);if(vActive>0.0&&d>0.0){ra=texture2D(inputBuffer,mix(uv,vUvR,d)).ra;ba=texture2D(inputBuffer,mix(uv,vUvB,d)).ba;}\\n#else\\nif(vActive>0.0){ra=texture2D(inputBuffer,vUvR).ra;ba=texture2D(inputBuffer,vUvB).ba;}\\n#endif\\noutputColor=vec4(ra.x,inputColor.g,ba.x,max(max(ra.y,ba.y),inputColor.a));}\";\n\n// src/effects/glsl/chromatic-aberration.vert\nvar chromatic_aberration_default2 = \"uniform vec2 offset;varying float vActive;varying vec2 vUvR;varying vec2 vUvB;void mainSupport(const in vec2 uv){vec2 shift=offset*vec2(1.0,aspect);vActive=(shift.x!=0.0||shift.y!=0.0)?1.0:0.0;vUvR=uv+shift;vUvB=uv-shift;}\";\n\n// src/effects/ChromaticAberrationEffect.js\nvar ChromaticAberrationEffect = class extends Effect {\n /**\n * Constructs a new chromatic aberration effect.\n *\n * @param {Object} [options] - The options.\n * @param {Vector2} [options.offset] - The color offset.\n * @param {Boolean} [options.radialModulation=false] - Whether the effect should be modulated with a radial gradient.\n * @param {Number} [options.modulationOffset=0.15] - The modulation offset. Only applies if `radialModulation` is enabled.\n */\n constructor({\n offset = new Vector26(1e-3, 5e-4),\n radialModulation = false,\n modulationOffset = 0.15\n } = {}) {\n super(\"ChromaticAberrationEffect\", chromatic_aberration_default, {\n vertexShader: chromatic_aberration_default2,\n attributes: EffectAttribute.CONVOLUTION,\n uniforms: /* @__PURE__ */ new Map([\n [\"offset\", new Uniform11(offset)],\n [\"modulationOffset\", new Uniform11(modulationOffset)]\n ])\n });\n this.radialModulation = radialModulation;\n }\n /**\n * The color offset.\n *\n * @type {Vector2}\n */\n get offset() {\n return this.uniforms.get(\"offset\").value;\n }\n set offset(value) {\n this.uniforms.get(\"offset\").value = value;\n }\n /**\n * Indicates whether radial modulation is enabled.\n *\n * When enabled, the effect will be weaker in the middle and stronger towards the screen edges.\n *\n * @type {Boolean}\n */\n get radialModulation() {\n return this.defines.has(\"RADIAL_MODULATION\");\n }\n set radialModulation(value) {\n if (value) {\n this.defines.set(\"RADIAL_MODULATION\", \"1\");\n } else {\n this.defines.delete(\"RADIAL_MODULATION\");\n }\n this.setChanged();\n }\n /**\n * The modulation offset.\n *\n * @type {Number}\n */\n get modulationOffset() {\n return this.uniforms.get(\"modulationOffset\").value;\n }\n set modulationOffset(value) {\n this.uniforms.get(\"modulationOffset\").value = value;\n }\n /**\n * Returns the color offset vector.\n *\n * @deprecated Use offset instead.\n * @return {Vector2} The offset.\n */\n getOffset() {\n return this.offset;\n }\n /**\n * Sets the color offset vector.\n *\n * @deprecated Use offset instead.\n * @param {Vector2} value - The offset.\n */\n setOffset(value) {\n this.offset = value;\n }\n};\n\n// src/effects/glsl/depth.frag\nvar depth_default = \"void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){\\n#ifdef INVERTED\\nvec3 color=vec3(1.0-depth);\\n#else\\nvec3 color=vec3(depth);\\n#endif\\noutputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/DepthEffect.js\nvar DepthEffect = class extends Effect {\n /**\n * Constructs a new depth effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SRC] - The blend function of this effect.\n * @param {Boolean} [options.inverted=false] - Whether the depth should be inverted.\n */\n constructor({ blendFunction = BlendFunction.SRC, inverted = false } = {}) {\n super(\"DepthEffect\", depth_default, {\n blendFunction,\n attributes: EffectAttribute.DEPTH\n });\n this.inverted = inverted;\n }\n /**\n * Indicates whether depth should be inverted.\n *\n * @type {Boolean}\n */\n get inverted() {\n return this.defines.has(\"INVERTED\");\n }\n set inverted(value) {\n if (this.inverted !== value) {\n if (value) {\n this.defines.set(\"INVERTED\", \"1\");\n } else {\n this.defines.delete(\"INVERTED\");\n }\n this.setChanged();\n }\n }\n /**\n * Indicates whether the rendered depth is inverted.\n *\n * @deprecated Use inverted instead.\n * @return {Boolean} Whether the rendered depth is inverted.\n */\n isInverted() {\n return this.inverted;\n }\n /**\n * Enables or disables depth inversion.\n *\n * @deprecated Use inverted instead.\n * @param {Boolean} value - Whether depth should be inverted.\n */\n setInverted(value) {\n this.inverted = value;\n }\n};\n\n// src/effects/DepthOfFieldEffect.js\nimport { BasicDepthPacking as BasicDepthPacking4, SRGBColorSpace as SRGBColorSpace7, Uniform as Uniform15, UnsignedByteType as UnsignedByteType8, WebGLRenderTarget as WebGLRenderTarget9 } from \"three\";\n\n// src/enums/ColorChannel.js\nvar ColorChannel = {\n RED: 0,\n GREEN: 1,\n BLUE: 2,\n ALPHA: 3\n};\n\n// src/enums/MaskFunction.js\nvar MaskFunction = {\n DISCARD: 0,\n MULTIPLY: 1,\n MULTIPLY_RGB_SET_ALPHA: 2,\n MULTIPLY_RGB: 3\n};\n\n// src/materials/BokehMaterial.js\nimport { NoBlending as NoBlending6, ShaderMaterial as ShaderMaterial7, Uniform as Uniform12, Vector2 as Vector27 } from \"three\";\n\n// src/materials/glsl/convolution.bokeh.frag\nvar convolution_bokeh_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#if PASS == 1\\nuniform vec4 kernel64[32];\\n#else\\nuniform vec4 kernel16[8];\\n#endif\\nuniform lowp sampler2D cocBuffer;uniform vec2 texelSize;uniform float scale;varying vec2 vUv;void main(){\\n#ifdef FOREGROUND\\nvec2 cocNearFar=texture2D(cocBuffer,vUv).rg*scale;float coc=cocNearFar.x;\\n#else\\nfloat coc=texture2D(cocBuffer,vUv).g*scale;\\n#endif\\nif(coc==0.0){gl_FragColor=texture2D(inputBuffer,vUv);}else{\\n#ifdef FOREGROUND\\nvec2 step=texelSize*max(cocNearFar.x,cocNearFar.y);\\n#else\\nvec2 step=texelSize*coc;\\n#endif\\n#if PASS == 1\\nvec4 acc=vec4(0.0);for(int i=0;i<32;++i){vec4 kernel=kernel64[i];vec2 uv=step*kernel.xy+vUv;acc+=texture2D(inputBuffer,uv);uv=step*kernel.zw+vUv;acc+=texture2D(inputBuffer,uv);}gl_FragColor=acc/64.0;\\n#else\\nvec4 maxValue=texture2D(inputBuffer,vUv);for(int i=0;i<8;++i){vec4 kernel=kernel16[i];vec2 uv=step*kernel.xy+vUv;maxValue=max(texture2D(inputBuffer,uv),maxValue);uv=step*kernel.zw+vUv;maxValue=max(texture2D(inputBuffer,uv),maxValue);}gl_FragColor=maxValue;\\n#endif\\n}}\";\n\n// src/materials/BokehMaterial.js\nvar BokehMaterial = class extends ShaderMaterial7 {\n /**\n * Constructs a new bokeh material.\n *\n * @param {Boolean} [fill=false] - Enables or disables the bokeh highlight fill mode.\n * @param {Boolean} [foreground=false] - Determines whether this material will be applied to foreground colors.\n */\n constructor(fill = false, foreground = false) {\n super({\n name: \"BokehMaterial\",\n defines: {\n PASS: fill ? \"2\" : \"1\"\n },\n uniforms: {\n inputBuffer: new Uniform12(null),\n cocBuffer: new Uniform12(null),\n texelSize: new Uniform12(new Vector27()),\n kernel64: new Uniform12(null),\n kernel16: new Uniform12(null),\n scale: new Uniform12(1)\n },\n blending: NoBlending6,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_bokeh_default,\n vertexShader: common_default\n });\n if (foreground) {\n this.defines.FOREGROUND = \"1\";\n }\n this.generateKernel();\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the input buffer.\n *\n * @deprecated Use inputBuffer instead.\n * @param {Texture} value - The buffer.\n */\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * The circle of confusion buffer.\n *\n * @type {Texture}\n */\n set cocBuffer(value) {\n this.uniforms.cocBuffer.value = value;\n }\n /**\n * Sets the circle of confusion buffer.\n *\n * @deprecated Use cocBuffer instead.\n * @param {Texture} value - The buffer.\n */\n setCoCBuffer(value) {\n this.uniforms.cocBuffer.value = value;\n }\n /**\n * The blur scale.\n *\n * @type {Number}\n */\n get scale() {\n return this.uniforms.scale.value;\n }\n set scale(value) {\n this.uniforms.scale.value = value;\n }\n /**\n * Returns the blur scale.\n *\n * @deprecated Use scale instead.\n * @return {Number} The scale.\n */\n getScale(value) {\n return this.scale;\n }\n /**\n * Sets the blur scale.\n *\n * @deprecated Use scale instead.\n * @param {Number} value - The scale.\n */\n setScale(value) {\n this.scale = value;\n }\n /**\n * Generates the blur kernel.\n *\n * @private\n */\n generateKernel() {\n const GOLDEN_ANGLE = 2.39996323;\n const points64 = new Float64Array(128);\n const points16 = new Float64Array(32);\n let i64 = 0, i16 = 0;\n for (let i = 0, sqrt80 = Math.sqrt(80); i < 80; ++i) {\n const theta = i * GOLDEN_ANGLE;\n const r = Math.sqrt(i) / sqrt80;\n const u = r * Math.cos(theta), v3 = r * Math.sin(theta);\n if (i % 5 === 0) {\n points16[i16++] = u;\n points16[i16++] = v3;\n } else {\n points64[i64++] = u;\n points64[i64++] = v3;\n }\n }\n this.uniforms.kernel64.value = points64;\n this.uniforms.kernel16.value = points16;\n }\n /**\n * Sets the texel size.\n *\n * @deprecated Use setSize() instead.\n * @param {Number} x - The texel width.\n * @param {Number} y - The texel height.\n */\n setTexelSize(x, y) {\n this.uniforms.texelSize.value.set(x, y);\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/CircleOfConfusionMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking3, NoBlending as NoBlending7, PerspectiveCamera, ShaderMaterial as ShaderMaterial8, Uniform as Uniform13 } from \"three\";\n\n// src/utils/orthographicDepthToViewZ.js\nfunction orthographicDepthToViewZ(depth, near, far) {\n return depth * (near - far) - near;\n}\n\n// src/utils/viewZToOrthographicDepth.js\nfunction viewZToOrthographicDepth(viewZ, near, far) {\n return Math.min(Math.max((viewZ + near) / (near - far), 0), 1);\n}\n\n// src/materials/glsl/circle-of-confusion.frag\nvar circle_of_confusion_default = \"#include \\n#include \\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nuniform float focusDistance;uniform float focusRange;uniform float cameraNear;uniform float cameraFar;varying vec2 vUv;float readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nfloat depth=unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nfloat depth=texture2D(depthBuffer,uv).r;\\n#endif\\n#ifdef LOG_DEPTH\\nfloat d=pow(2.0,depth*log2(cameraFar+1.0))-1.0;float a=cameraFar/(cameraFar-cameraNear);float b=cameraFar*cameraNear/(cameraNear-cameraFar);depth=a+b/d;\\n#endif\\nreturn depth;}void main(){float depth=readDepth(vUv);\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(depth,cameraNear,cameraFar);float linearDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearDepth=depth;\\n#endif\\nfloat signedDistance=linearDepth-focusDistance;float magnitude=smoothstep(0.0,focusRange,abs(signedDistance));gl_FragColor.rg=magnitude*vec2(step(signedDistance,0.0),step(0.0,signedDistance));}\";\n\n// src/materials/CircleOfConfusionMaterial.js\nvar CircleOfConfusionMaterial = class extends ShaderMaterial8 {\n /**\n * Constructs a new CoC material.\n *\n * @param {Camera} camera - A camera.\n */\n constructor(camera) {\n super({\n name: \"CircleOfConfusionMaterial\",\n defines: {\n DEPTH_PACKING: \"0\"\n },\n uniforms: {\n depthBuffer: new Uniform13(null),\n focusDistance: new Uniform13(0),\n focusRange: new Uniform13(0),\n cameraNear: new Uniform13(0.3),\n cameraFar: new Uniform13(1e3)\n },\n blending: NoBlending7,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: circle_of_confusion_default,\n vertexShader: common_default\n });\n this.uniforms.focalLength = this.uniforms.focusRange;\n this.copyCameraSettings(camera);\n }\n /**\n * The current near plane setting.\n *\n * @type {Number}\n * @private\n */\n get near() {\n return this.uniforms.cameraNear.value;\n }\n /**\n * The current far plane setting.\n *\n * @type {Number}\n * @private\n */\n get far() {\n return this.uniforms.cameraFar.value;\n }\n /**\n * The depth buffer.\n *\n * @type {Texture}\n */\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n /**\n * The depth packing strategy.\n *\n * @type {DepthPackingStrategies}\n */\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the depth buffer.\n *\n * @deprecated Use depthBuffer and depthPacking instead.\n * @param {Texture} buffer - The depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing strategy.\n */\n setDepthBuffer(buffer, depthPacking = BasicDepthPacking3) {\n this.depthBuffer = buffer;\n this.depthPacking = depthPacking;\n }\n /**\n * The focus distance. Range: [0.0, 1.0].\n *\n * @type {Number}\n */\n get focusDistance() {\n return this.uniforms.focusDistance.value;\n }\n set focusDistance(value) {\n this.uniforms.focusDistance.value = value;\n }\n /**\n * The focus distance in world units.\n *\n * @type {Number}\n */\n get worldFocusDistance() {\n return -orthographicDepthToViewZ(this.focusDistance, this.near, this.far);\n }\n set worldFocusDistance(value) {\n this.focusDistance = viewZToOrthographicDepth(-value, this.near, this.far);\n }\n /**\n * Returns the focus distance.\n *\n * @deprecated Use focusDistance instead.\n * @return {Number} The focus distance.\n */\n getFocusDistance(value) {\n this.uniforms.focusDistance.value = value;\n }\n /**\n * Sets the focus distance.\n *\n * @deprecated Use focusDistance instead.\n * @param {Number} value - The focus distance.\n */\n setFocusDistance(value) {\n this.uniforms.focusDistance.value = value;\n }\n /**\n * The focal length.\n *\n * @deprecated Renamed to focusRange.\n * @type {Number}\n */\n get focalLength() {\n return this.focusRange;\n }\n set focalLength(value) {\n this.focusRange = value;\n }\n /**\n * The focus range. Range: [0.0, 1.0].\n *\n * @type {Number}\n */\n get focusRange() {\n return this.uniforms.focusRange.value;\n }\n set focusRange(value) {\n this.uniforms.focusRange.value = value;\n }\n /**\n * The focus range in world units.\n *\n * @type {Number}\n */\n get worldFocusRange() {\n return -orthographicDepthToViewZ(this.focusRange, this.near, this.far);\n }\n set worldFocusRange(value) {\n this.focusRange = viewZToOrthographicDepth(-value, this.near, this.far);\n }\n /**\n * Returns the focal length.\n *\n * @deprecated Use focusRange instead.\n * @return {Number} The focal length.\n */\n getFocalLength(value) {\n return this.focusRange;\n }\n /**\n * Sets the focal length.\n *\n * @deprecated Use focusRange instead.\n * @param {Number} value - The focal length.\n */\n setFocalLength(value) {\n this.focusRange = value;\n }\n /**\n * Copies the settings of the given camera.\n *\n * @deprecated Use copyCameraSettings instead.\n * @param {Camera} camera - A camera.\n */\n adoptCameraSettings(camera) {\n this.copyCameraSettings(camera);\n }\n /**\n * Copies the settings of the given camera.\n *\n * @param {Camera} camera - A camera.\n */\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNear.value = camera.near;\n this.uniforms.cameraFar.value = camera.far;\n if (camera instanceof PerspectiveCamera) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n};\n\n// src/materials/MaskMaterial.js\nimport { NoBlending as NoBlending8, ShaderMaterial as ShaderMaterial9, Uniform as Uniform14, UnsignedByteType as UnsignedByteType6 } from \"three\";\n\n// src/materials/glsl/mask.frag\nvar mask_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#ifdef MASK_PRECISION_HIGH\\nuniform mediump sampler2D maskTexture;\\n#else\\nuniform lowp sampler2D maskTexture;\\n#endif\\n#if MASK_FUNCTION != 0\\nuniform float strength;\\n#endif\\nvarying vec2 vUv;void main(){\\n#if COLOR_CHANNEL == 0\\nfloat mask=texture2D(maskTexture,vUv).r;\\n#elif COLOR_CHANNEL == 1\\nfloat mask=texture2D(maskTexture,vUv).g;\\n#elif COLOR_CHANNEL == 2\\nfloat mask=texture2D(maskTexture,vUv).b;\\n#else\\nfloat mask=texture2D(maskTexture,vUv).a;\\n#endif\\n#if MASK_FUNCTION == 0\\n#ifdef INVERTED\\nmask=step(mask,0.0);\\n#else\\nmask=1.0-step(mask,0.0);\\n#endif\\n#else\\nmask=clamp(mask*strength,0.0,1.0);\\n#ifdef INVERTED\\nmask=1.0-mask;\\n#endif\\n#endif\\n#if MASK_FUNCTION == 3\\nvec4 texel=texture2D(inputBuffer,vUv);gl_FragColor=vec4(mask*texel.rgb,texel.a);\\n#elif MASK_FUNCTION == 2\\ngl_FragColor=vec4(mask*texture2D(inputBuffer,vUv).rgb,mask);\\n#else\\ngl_FragColor=mask*texture2D(inputBuffer,vUv);\\n#endif\\n}\";\n\n// src/materials/MaskMaterial.js\nvar MaskMaterial = class extends ShaderMaterial9 {\n /**\n * Constructs a new mask material.\n *\n * @param {Texture} [maskTexture] - The mask texture.\n */\n constructor(maskTexture = null) {\n super({\n name: \"MaskMaterial\",\n uniforms: {\n maskTexture: new Uniform14(maskTexture),\n inputBuffer: new Uniform14(null),\n strength: new Uniform14(1)\n },\n blending: NoBlending8,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: mask_default,\n vertexShader: common_default\n });\n this.colorChannel = ColorChannel.RED;\n this.maskFunction = MaskFunction.DISCARD;\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the input buffer.\n *\n * @deprecated Use inputBuffer instead.\n * @param {Texture} value - The input buffer.\n */\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * The mask texture.\n *\n * @type {Texture}\n */\n set maskTexture(value) {\n this.uniforms.maskTexture.value = value;\n delete this.defines.MASK_PRECISION_HIGH;\n if (value.type !== UnsignedByteType6) {\n this.defines.MASK_PRECISION_HIGH = \"1\";\n }\n this.needsUpdate = true;\n }\n /**\n * Sets the mask texture.\n *\n * @deprecated Use maskTexture instead.\n * @param {Texture} value - The texture.\n */\n setMaskTexture(value) {\n this.maskTexture = value;\n }\n /**\n * Sets the color channel to use for masking. Default is `ColorChannel.RED`.\n *\n * @type {ColorChannel}\n */\n set colorChannel(value) {\n this.defines.COLOR_CHANNEL = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the color channel to use for masking. Default is `ColorChannel.RED`.\n *\n * @deprecated Use colorChannel instead.\n * @param {ColorChannel} value - The channel.\n */\n setColorChannel(value) {\n this.colorChannel = value;\n }\n /**\n * The masking technique. Default is `MaskFunction.DISCARD`.\n *\n * @type {MaskFunction}\n */\n set maskFunction(value) {\n this.defines.MASK_FUNCTION = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the masking technique. Default is `MaskFunction.DISCARD`.\n *\n * @deprecated Use maskFunction instead.\n * @param {MaskFunction} value - The function.\n */\n setMaskFunction(value) {\n this.maskFunction = value;\n }\n /**\n * Indicates whether the masking is inverted.\n *\n * @type {Boolean}\n */\n get inverted() {\n return this.defines.INVERTED !== void 0;\n }\n set inverted(value) {\n if (this.inverted && !value) {\n delete this.defines.INVERTED;\n } else if (value) {\n this.defines.INVERTED = \"1\";\n }\n this.needsUpdate = true;\n }\n /**\n * Indicates whether the masking is inverted.\n *\n * @deprecated Use inverted instead.\n * @return {Boolean} Whether the masking is inverted.\n */\n isInverted() {\n return this.inverted;\n }\n /**\n * Determines whether the masking should be inverted.\n *\n * @deprecated Use inverted instead.\n * @param {Boolean} value - Whether the masking should be inverted.\n */\n setInverted(value) {\n this.inverted = value;\n }\n /**\n * The current mask strength.\n *\n * Individual mask values will be clamped to [0.0, 1.0]. Has no effect when the mask function is set to `DISCARD`.\n *\n * @type {Number}\n */\n get strength() {\n return this.uniforms.strength.value;\n }\n set strength(value) {\n this.uniforms.strength.value = value;\n }\n /**\n * Returns the current mask strength.\n *\n * @deprecated Use strength instead.\n * @return {Number} The mask strength.\n */\n getStrength() {\n return this.strength;\n }\n /**\n * Sets the mask strength.\n *\n * Has no effect when the mask function is set to `DISCARD`.\n *\n * @deprecated Use strength instead.\n * @param {Number} value - The mask strength.\n */\n setStrength(value) {\n this.strength = value;\n }\n};\n\n// src/passes/ShaderPass.js\nimport { UnsignedByteType as UnsignedByteType7 } from \"three\";\nvar ShaderPass = class extends Pass {\n /**\n * Constructs a new shader pass.\n *\n * @param {ShaderMaterial} material - A shader material.\n * @param {String} [input=\"inputBuffer\"] - The name of the input buffer uniform.\n */\n constructor(material, input = \"inputBuffer\") {\n super(\"ShaderPass\");\n this.fullscreenMaterial = material;\n this.input = input;\n }\n /**\n * Sets the name of the input buffer uniform.\n *\n * @param {String} input - The name of the input buffer uniform.\n * @deprecated Use input instead.\n */\n setInput(input) {\n this.input = input;\n }\n /**\n * Renders the effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const uniforms = this.fullscreenMaterial.uniforms;\n if (inputBuffer !== null && uniforms !== void 0 && uniforms[this.input] !== void 0) {\n uniforms[this.input].value = inputBuffer.texture;\n }\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(this.scene, this.camera);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - A renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0 && frameBufferType !== UnsignedByteType7) {\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n }\n }\n};\n\n// src/effects/glsl/depth-of-field.frag\nvar depth_of_field_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D nearColorBuffer;uniform mediump sampler2D farColorBuffer;\\n#else\\nuniform lowp sampler2D nearColorBuffer;uniform lowp sampler2D farColorBuffer;\\n#endif\\nuniform lowp sampler2D nearCoCBuffer;uniform lowp sampler2D farCoCBuffer;uniform float scale;void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){vec4 colorNear=texture2D(nearColorBuffer,uv);vec4 colorFar=texture2D(farColorBuffer,uv);\\n#if MASK_FUNCTION == 1\\nvec2 cocNearFar=vec2(texture2D(nearCoCBuffer,uv).r,colorFar.a);cocNearFar.x=min(cocNearFar.x*scale,1.0);\\n#else\\nvec2 cocNearFar=vec2(texture2D(nearCoCBuffer,uv).r,texture2D(farCoCBuffer,uv).g);cocNearFar=min(cocNearFar*scale,1.0);\\n#endif\\nvec4 result=inputColor*(1.0-cocNearFar.y)+colorFar;result=mix(result,colorNear,cocNearFar.x);outputColor=result;}\";\n\n// src/effects/DepthOfFieldEffect.js\nvar DepthOfFieldEffect = class extends Effect {\n /**\n * Constructs a new depth of field effect.\n *\n * @param {Camera} camera - The main camera.\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction] - The blend function of this effect.\n * @param {Number} [options.worldFocusDistance] - The focus distance in world units.\n * @param {Number} [options.worldFocusRange] - The focus distance in world units.\n * @param {Number} [options.focusDistance=0.0] - The normalized focus distance. Range is [0.0, 1.0].\n * @param {Number} [options.focusRange=0.1] - The focus range. Range is [0.0, 1.0].\n * @param {Number} [options.focalLength=0.1] - Deprecated.\n * @param {Number} [options.bokehScale=1.0] - The scale of the bokeh blur.\n * @param {Number} [options.resolutionScale=0.5] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n * @param {Number} [options.width=Resolution.AUTO_SIZE] - Deprecated. Use resolutionX instead.\n * @param {Number} [options.height=Resolution.AUTO_SIZE] - Deprecated. Use resolutionY instead.\n */\n constructor(camera, {\n blendFunction,\n worldFocusDistance,\n worldFocusRange,\n focusDistance = 0,\n focalLength = 0.1,\n focusRange = focalLength,\n bokehScale = 1,\n resolutionScale = 1,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"DepthOfFieldEffect\", depth_of_field_default, {\n blendFunction,\n attributes: EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"nearColorBuffer\", new Uniform15(null)],\n [\"farColorBuffer\", new Uniform15(null)],\n [\"nearCoCBuffer\", new Uniform15(null)],\n [\"farCoCBuffer\", new Uniform15(null)],\n [\"scale\", new Uniform15(1)]\n ])\n });\n this.camera = camera;\n this.renderTarget = new WebGLRenderTarget9(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"DoF.Intermediate\";\n this.renderTargetMasked = this.renderTarget.clone();\n this.renderTargetMasked.texture.name = \"DoF.Masked.Far\";\n this.renderTargetNear = this.renderTarget.clone();\n this.renderTargetNear.texture.name = \"DoF.Bokeh.Near\";\n this.uniforms.get(\"nearColorBuffer\").value = this.renderTargetNear.texture;\n this.renderTargetFar = this.renderTarget.clone();\n this.renderTargetFar.texture.name = \"DoF.Bokeh.Far\";\n this.uniforms.get(\"farColorBuffer\").value = this.renderTargetFar.texture;\n this.renderTargetCoC = this.renderTarget.clone();\n this.renderTargetCoC.texture.name = \"DoF.CoC\";\n this.uniforms.get(\"farCoCBuffer\").value = this.renderTargetCoC.texture;\n this.renderTargetCoCBlurred = this.renderTargetCoC.clone();\n this.renderTargetCoCBlurred.texture.name = \"DoF.CoC.Blurred\";\n this.uniforms.get(\"nearCoCBuffer\").value = this.renderTargetCoCBlurred.texture;\n this.cocPass = new ShaderPass(new CircleOfConfusionMaterial(camera));\n const cocMaterial = this.cocMaterial;\n cocMaterial.focusDistance = focusDistance;\n cocMaterial.focusRange = focusRange;\n if (worldFocusDistance !== void 0) {\n cocMaterial.worldFocusDistance = worldFocusDistance;\n }\n if (worldFocusRange !== void 0) {\n cocMaterial.worldFocusRange = worldFocusRange;\n }\n this.blurPass = new KawaseBlurPass({ resolutionScale, resolutionX, resolutionY, kernelSize: KernelSize.MEDIUM });\n this.maskPass = new ShaderPass(new MaskMaterial(this.renderTargetCoC.texture));\n const maskMaterial = this.maskPass.fullscreenMaterial;\n maskMaterial.colorChannel = ColorChannel.GREEN;\n this.maskFunction = MaskFunction.MULTIPLY_RGB;\n this.bokehNearBasePass = new ShaderPass(new BokehMaterial(false, true));\n this.bokehNearBasePass.fullscreenMaterial.cocBuffer = this.renderTargetCoCBlurred.texture;\n this.bokehNearFillPass = new ShaderPass(new BokehMaterial(true, true));\n this.bokehNearFillPass.fullscreenMaterial.cocBuffer = this.renderTargetCoCBlurred.texture;\n this.bokehFarBasePass = new ShaderPass(new BokehMaterial(false, false));\n this.bokehFarBasePass.fullscreenMaterial.cocBuffer = this.renderTargetCoC.texture;\n this.bokehFarFillPass = new ShaderPass(new BokehMaterial(true, false));\n this.bokehFarFillPass.fullscreenMaterial.cocBuffer = this.renderTargetCoC.texture;\n this.target = null;\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.bokehScale = bokehScale;\n }\n set mainCamera(value) {\n this.camera = value;\n this.cocMaterial.copyCameraSettings(value);\n }\n /**\n * The circle of confusion texture.\n *\n * @type {Texture}\n */\n get cocTexture() {\n return this.renderTargetCoC.texture;\n }\n /**\n * The mask function. Default is `MULTIPLY_RGB`.\n *\n * @type {MaskFunction}\n */\n get maskFunction() {\n return this.maskPass.fullscreenMaterial.maskFunction;\n }\n set maskFunction(value) {\n if (this.maskFunction !== value) {\n this.defines.set(\"MASK_FUNCTION\", value.toFixed(0));\n this.maskPass.fullscreenMaterial.maskFunction = value;\n this.setChanged();\n }\n }\n /**\n * The circle of confusion material.\n *\n * @type {CircleOfConfusionMaterial}\n */\n get cocMaterial() {\n return this.cocPass.fullscreenMaterial;\n }\n /**\n * The circle of confusion material.\n *\n * @deprecated Use cocMaterial instead.\n * @type {CircleOfConfusionMaterial}\n */\n get circleOfConfusionMaterial() {\n return this.cocMaterial;\n }\n /**\n * Returns the circle of confusion material.\n *\n * @deprecated Use cocMaterial instead.\n * @return {CircleOfConfusionMaterial} The material.\n */\n getCircleOfConfusionMaterial() {\n return this.cocMaterial;\n }\n /**\n * Returns the pass that blurs the foreground CoC buffer to soften edges.\n *\n * @deprecated Use blurPass instead.\n * @return {KawaseBlurPass} The blur pass.\n */\n getBlurPass() {\n return this.blurPass;\n }\n /**\n * Returns the resolution settings.\n *\n * @deprecated Use resolution instead.\n * @return {Resolution} The resolution.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * The current bokeh scale.\n *\n * @type {Number}\n */\n get bokehScale() {\n return this.uniforms.get(\"scale\").value;\n }\n set bokehScale(value) {\n this.bokehNearBasePass.fullscreenMaterial.scale = value;\n this.bokehNearFillPass.fullscreenMaterial.scale = value;\n this.bokehFarBasePass.fullscreenMaterial.scale = value;\n this.bokehFarFillPass.fullscreenMaterial.scale = value;\n this.maskPass.fullscreenMaterial.strength = value;\n this.uniforms.get(\"scale\").value = value;\n }\n /**\n * Returns the current bokeh scale.\n *\n * @deprecated Use bokehScale instead.\n * @return {Number} The scale.\n */\n getBokehScale() {\n return this.bokehScale;\n }\n /**\n * Sets the bokeh scale.\n *\n * @deprecated Use bokehScale instead.\n * @param {Number} value - The scale.\n */\n setBokehScale(value) {\n this.bokehScale = value;\n }\n /**\n * Returns the current auto focus target.\n *\n * @deprecated Use target instead.\n * @return {Vector3} The target.\n */\n getTarget() {\n return this.target;\n }\n /**\n * Sets the auto focus target.\n *\n * @deprecated Use target instead.\n * @param {Vector3} value - The target.\n */\n setTarget(value) {\n this.target = value;\n }\n /**\n * Calculates the focus distance from the camera to the given position.\n *\n * @param {Vector3} target - The target.\n * @return {Number} The normalized focus distance.\n */\n calculateFocusDistance(target) {\n const camera = this.camera;\n const distance = camera.position.distanceTo(target);\n return viewZToOrthographicDepth(-distance, camera.near, camera.far);\n }\n /**\n * Sets the depth texture.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking4) {\n this.cocMaterial.depthBuffer = depthTexture;\n this.cocMaterial.depthPacking = depthPacking;\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n const renderTarget = this.renderTarget;\n const renderTargetCoC = this.renderTargetCoC;\n const renderTargetCoCBlurred = this.renderTargetCoCBlurred;\n const renderTargetMasked = this.renderTargetMasked;\n if (this.target !== null) {\n const distance = this.calculateFocusDistance(this.target);\n this.cocMaterial.focusDistance = distance;\n }\n this.cocPass.render(renderer, null, renderTargetCoC);\n this.blurPass.render(renderer, renderTargetCoC, renderTargetCoCBlurred);\n this.maskPass.render(renderer, inputBuffer, renderTargetMasked);\n this.bokehFarBasePass.render(renderer, renderTargetMasked, renderTarget);\n this.bokehFarFillPass.render(renderer, renderTarget, this.renderTargetFar);\n this.bokehNearBasePass.render(renderer, inputBuffer, renderTarget);\n this.bokehNearFillPass.render(renderer, renderTarget, this.renderTargetNear);\n }\n /**\n * Updates the size of internal render targets.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.cocPass.setSize(width, height);\n this.blurPass.setSize(width, height);\n this.maskPass.setSize(width, height);\n this.renderTargetFar.setSize(width, height);\n this.renderTargetCoC.setSize(width, height);\n this.renderTargetMasked.setSize(width, height);\n this.renderTarget.setSize(w, h);\n this.renderTargetNear.setSize(w, h);\n this.renderTargetCoCBlurred.setSize(w, h);\n this.bokehNearBasePass.fullscreenMaterial.setSize(width, height);\n this.bokehNearFillPass.fullscreenMaterial.setSize(width, height);\n this.bokehFarBasePass.fullscreenMaterial.setSize(width, height);\n this.bokehFarFillPass.fullscreenMaterial.setSize(width, height);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n this.cocPass.initialize(renderer, alpha, frameBufferType);\n this.maskPass.initialize(renderer, alpha, frameBufferType);\n this.bokehNearBasePass.initialize(renderer, alpha, frameBufferType);\n this.bokehNearFillPass.initialize(renderer, alpha, frameBufferType);\n this.bokehFarBasePass.initialize(renderer, alpha, frameBufferType);\n this.bokehFarFillPass.initialize(renderer, alpha, frameBufferType);\n this.blurPass.initialize(renderer, alpha, UnsignedByteType8);\n if (renderer.capabilities.logarithmicDepthBuffer) {\n this.cocPass.fullscreenMaterial.defines.LOG_DEPTH = \"1\";\n }\n if (frameBufferType !== void 0) {\n this.renderTarget.texture.type = frameBufferType;\n this.renderTargetNear.texture.type = frameBufferType;\n this.renderTargetFar.texture.type = frameBufferType;\n this.renderTargetMasked.texture.type = frameBufferType;\n if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace7) {\n this.renderTarget.texture.colorSpace = SRGBColorSpace7;\n this.renderTargetNear.texture.colorSpace = SRGBColorSpace7;\n this.renderTargetFar.texture.colorSpace = SRGBColorSpace7;\n this.renderTargetMasked.texture.colorSpace = SRGBColorSpace7;\n }\n }\n }\n};\n\n// src/effects/DotScreenEffect.js\nimport { Uniform as Uniform16, Vector2 as Vector28 } from \"three\";\n\n// src/effects/glsl/dot-screen.frag\nvar dot_screen_default = \"uniform vec2 angle;uniform float scale;float pattern(const in vec2 uv){vec2 point=scale*vec2(dot(angle.yx,vec2(uv.x,-uv.y)),dot(angle,uv));return(sin(point.x)*sin(point.y))*4.0;}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=vec3(inputColor.rgb*10.0-5.0+pattern(uv*resolution));outputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/DotScreenEffect.js\nvar DotScreenEffect = class extends Effect {\n /**\n * Constructs a new dot screen effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction] - The blend function of this effect.\n * @param {Number} [options.angle=1.57] - The angle of the dot pattern.\n * @param {Number} [options.scale=1.0] - The scale of the dot pattern.\n */\n constructor({ blendFunction, angle = Math.PI * 0.5, scale = 1 } = {}) {\n super(\"DotScreenEffect\", dot_screen_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"angle\", new Uniform16(new Vector28())],\n [\"scale\", new Uniform16(scale)]\n ])\n });\n this.angle = angle;\n }\n /**\n * The angle.\n *\n * @type {Number}\n */\n get angle() {\n return Math.acos(this.uniforms.get(\"angle\").value.y);\n }\n set angle(value) {\n this.uniforms.get(\"angle\").value.set(Math.sin(value), Math.cos(value));\n }\n /**\n * Returns the pattern angle.\n *\n * @deprecated Use angle instead.\n * @return {Number} The angle in radians.\n */\n getAngle() {\n return this.angle;\n }\n /**\n * Sets the pattern angle.\n *\n * @deprecated Use angle instead.\n * @param {Number} value - The angle in radians.\n */\n setAngle(value) {\n this.angle = value;\n }\n /**\n * The scale.\n *\n * @type {Number}\n */\n get scale() {\n return this.uniforms.get(\"scale\").value;\n }\n set scale(value) {\n this.uniforms.get(\"scale\").value = value;\n }\n};\n\n// src/effects/glsl/fxaa.frag\nvar fxaa_default = \"#define QUALITY(q) ((q) < 5 ? 1.0 : ((q) > 5 ? ((q) < 10 ? 2.0 : ((q) < 11 ? 4.0 : 8.0)) : 1.5))\\n#define ONE_OVER_TWELVE 0.08333333333333333\\nvarying vec2 vUvDown;varying vec2 vUvUp;varying vec2 vUvLeft;varying vec2 vUvRight;varying vec2 vUvDownLeft;varying vec2 vUvUpRight;varying vec2 vUvUpLeft;varying vec2 vUvDownRight;vec4 fxaa(const in vec4 inputColor,const in vec2 uv){float lumaCenter=luminance(inputColor.rgb);float lumaDown=luminance(texture2D(inputBuffer,vUvDown).rgb);float lumaUp=luminance(texture2D(inputBuffer,vUvUp).rgb);float lumaLeft=luminance(texture2D(inputBuffer,vUvLeft).rgb);float lumaRight=luminance(texture2D(inputBuffer,vUvRight).rgb);float lumaMin=min(lumaCenter,min(min(lumaDown,lumaUp),min(lumaLeft,lumaRight)));float lumaMax=max(lumaCenter,max(max(lumaDown,lumaUp),max(lumaLeft,lumaRight)));float lumaRange=lumaMax-lumaMin;if(lumaRange=edgeVertical);float stepLength=isHorizontal?texelSize.y:texelSize.x;float luma1=isHorizontal?lumaDown:lumaLeft;float luma2=isHorizontal?lumaUp:lumaRight;float gradient1=abs(luma1-lumaCenter);float gradient2=abs(luma2-lumaCenter);bool is1Steepest=gradient1>=gradient2;float gradientScaled=0.25*max(gradient1,gradient2);float lumaLocalAverage=0.0;if(is1Steepest){stepLength=-stepLength;lumaLocalAverage=0.5*(luma1+lumaCenter);}else{lumaLocalAverage=0.5*(luma2+lumaCenter);}vec2 currentUv=uv;if(isHorizontal){currentUv.y+=stepLength*0.5;}else{currentUv.x+=stepLength*0.5;}vec2 offset=isHorizontal?vec2(texelSize.x,0.0):vec2(0.0,texelSize.y);vec2 uv1=currentUv-offset*QUALITY(0);vec2 uv2=currentUv+offset*QUALITY(0);float lumaEnd1=luminance(texture2D(inputBuffer,uv1).rgb);float lumaEnd2=luminance(texture2D(inputBuffer,uv2).rgb);lumaEnd1-=lumaLocalAverage;lumaEnd2-=lumaLocalAverage;bool reached1=abs(lumaEnd1)>=gradientScaled;bool reached2=abs(lumaEnd2)>=gradientScaled;bool reachedBoth=reached1&&reached2;if(!reached1){uv1-=offset*QUALITY(1);}if(!reached2){uv2+=offset*QUALITY(1);}if(!reachedBoth){for(int i=2;i=gradientScaled;reached2=abs(lumaEnd2)>=gradientScaled;reachedBoth=reached1&&reached2;if(!reached1){uv1-=offset*QUALITY(i);}if(!reached2){uv2+=offset*QUALITY(i);}if(reachedBoth){break;}}}float distance1=isHorizontal?(uv.x-uv1.x):(uv.y-uv1.y);float distance2=isHorizontal?(uv2.x-uv.x):(uv2.y-uv.y);bool isDirection1=distance1distortion.x-columns*random){float sx=clamp(ceil(seeds.x),0.0,1.0);uv.y=sx*(1.0-(uv.y+distortion.y))+(1.0-sx)*distortion.y;}if(uv.xdistortion.y-columns*random){float sy=clamp(ceil(seeds.y),0.0,1.0);uv.x=sy*distortion.x+(1.0-sy)*(1.0-(uv.x+distortion.x));}vec2 normal=texture2D(perturbationMap,uv*random*random).rg;uv+=normal*seeds*(random*0.2);}}\";\n\n// src/effects/GlitchEffect.js\nvar textureTag = \"Glitch.Generated\";\nfunction randomFloat(low, high) {\n return low + Math.random() * (high - low);\n}\nvar GlitchEffect = class extends Effect {\n /**\n * Constructs a new glitch effect.\n *\n * TODO Change ratio to 0.15.\n * @param {Object} [options] - The options.\n * @param {Vector2} [options.chromaticAberrationOffset] - A chromatic aberration offset. If provided, the glitch effect will influence this offset.\n * @param {Vector2} [options.delay] - The minimum and maximum delay between glitch activations in seconds.\n * @param {Vector2} [options.duration] - The minimum and maximum duration of a glitch in seconds.\n * @param {Vector2} [options.strength] - The strength of weak and strong glitches.\n * @param {Texture} [options.perturbationMap] - A perturbation map. If none is provided, a noise texture will be created.\n * @param {Number} [options.dtSize=64] - The size of the generated noise map. Will be ignored if a perturbation map is provided.\n * @param {Number} [options.columns=0.05] - The scale of the blocky glitch columns.\n * @param {Number} [options.ratio=0.85] - The threshold for strong glitches.\n */\n constructor({\n chromaticAberrationOffset = null,\n delay = new Vector29(1.5, 3.5),\n duration = new Vector29(0.6, 1),\n strength = new Vector29(0.3, 1),\n columns = 0.05,\n ratio = 0.85,\n perturbationMap = null,\n dtSize = 64\n } = {}) {\n super(\"GlitchEffect\", glitch_default, {\n uniforms: /* @__PURE__ */ new Map([\n [\"perturbationMap\", new Uniform18(null)],\n [\"columns\", new Uniform18(columns)],\n [\"active\", new Uniform18(false)],\n [\"random\", new Uniform18(1)],\n [\"seeds\", new Uniform18(new Vector29())],\n [\"distortion\", new Uniform18(new Vector29())]\n ])\n });\n if (perturbationMap === null) {\n const map = new NoiseTexture(dtSize, dtSize, RGBAFormat2);\n map.name = textureTag;\n this.perturbationMap = map;\n } else {\n this.perturbationMap = perturbationMap;\n }\n this.time = 0;\n this.distortion = this.uniforms.get(\"distortion\").value;\n this.delay = delay;\n this.duration = duration;\n this.breakPoint = new Vector29(\n randomFloat(this.delay.x, this.delay.y),\n randomFloat(this.duration.x, this.duration.y)\n );\n this.strength = strength;\n this.mode = GlitchMode.SPORADIC;\n this.ratio = ratio;\n this.chromaticAberrationOffset = chromaticAberrationOffset;\n }\n /**\n * Random number seeds.\n *\n * @type {Vector2}\n * @private\n */\n get seeds() {\n return this.uniforms.get(\"seeds\").value;\n }\n /**\n * Indicates whether the glitch effect is currently active.\n *\n * @type {Boolean}\n */\n get active() {\n return this.uniforms.get(\"active\").value;\n }\n /**\n * Indicates whether the glitch effect is currently active.\n *\n * @deprecated Use active instead.\n * @return {Boolean} Whether the glitch effect is active.\n */\n isActive() {\n return this.active;\n }\n /**\n * The minimum delay between glitch activations.\n *\n * @type {Number}\n */\n get minDelay() {\n return this.delay.x;\n }\n set minDelay(value) {\n this.delay.x = value;\n }\n /**\n * Returns the minimum delay between glitch activations.\n *\n * @deprecated Use minDelay instead.\n * @return {Number} The minimum delay in seconds.\n */\n getMinDelay() {\n return this.delay.x;\n }\n /**\n * Sets the minimum delay between glitch activations.\n *\n * @deprecated Use minDelay instead.\n * @param {Number} value - The minimum delay in seconds.\n */\n setMinDelay(value) {\n this.delay.x = value;\n }\n /**\n * The maximum delay between glitch activations.\n *\n * @type {Number}\n */\n get maxDelay() {\n return this.delay.y;\n }\n set maxDelay(value) {\n this.delay.y = value;\n }\n /**\n * Returns the maximum delay between glitch activations.\n *\n * @deprecated Use maxDelay instead.\n * @return {Number} The maximum delay in seconds.\n */\n getMaxDelay() {\n return this.delay.y;\n }\n /**\n * Sets the maximum delay between glitch activations.\n *\n * @deprecated Use maxDelay instead.\n * @param {Number} value - The maximum delay in seconds.\n */\n setMaxDelay(value) {\n this.delay.y = value;\n }\n /**\n * The minimum duration of sporadic glitches.\n *\n * @type {Number}\n */\n get minDuration() {\n return this.duration.x;\n }\n set minDuration(value) {\n this.duration.x = value;\n }\n /**\n * Returns the minimum duration of sporadic glitches.\n *\n * @deprecated Use minDuration instead.\n * @return {Number} The minimum duration in seconds.\n */\n getMinDuration() {\n return this.duration.x;\n }\n /**\n * Sets the minimum duration of sporadic glitches.\n *\n * @deprecated Use minDuration instead.\n * @param {Number} value - The minimum duration in seconds.\n */\n setMinDuration(value) {\n this.duration.x = value;\n }\n /**\n * The maximum duration of sporadic glitches.\n *\n * @type {Number}\n */\n get maxDuration() {\n return this.duration.y;\n }\n set maxDuration(value) {\n this.duration.y = value;\n }\n /**\n * Returns the maximum duration of sporadic glitches.\n *\n * @deprecated Use maxDuration instead.\n * @return {Number} The maximum duration in seconds.\n */\n getMaxDuration() {\n return this.duration.y;\n }\n /**\n * Sets the maximum duration of sporadic glitches.\n *\n * @deprecated Use maxDuration instead.\n * @param {Number} value - The maximum duration in seconds.\n */\n setMaxDuration(value) {\n this.duration.y = value;\n }\n /**\n * The strength of weak glitches.\n *\n * @type {Number}\n */\n get minStrength() {\n return this.strength.x;\n }\n set minStrength(value) {\n this.strength.x = value;\n }\n /**\n * Returns the strength of weak glitches.\n *\n * @deprecated Use minStrength instead.\n * @return {Number} The strength.\n */\n getMinStrength() {\n return this.strength.x;\n }\n /**\n * Sets the strength of weak glitches.\n *\n * @deprecated Use minStrength instead.\n * @param {Number} value - The strength.\n */\n setMinStrength(value) {\n this.strength.x = value;\n }\n /**\n * The strength of strong glitches.\n *\n * @type {Number}\n */\n get maxStrength() {\n return this.strength.y;\n }\n set maxStrength(value) {\n this.strength.y = value;\n }\n /**\n * Returns the strength of strong glitches.\n *\n * @deprecated Use maxStrength instead.\n * @return {Number} The strength.\n */\n getMaxStrength() {\n return this.strength.y;\n }\n /**\n * Sets the strength of strong glitches.\n *\n * @deprecated Use maxStrength instead.\n * @param {Number} value - The strength.\n */\n setMaxStrength(value) {\n this.strength.y = value;\n }\n /**\n * Returns the current glitch mode.\n *\n * @deprecated Use mode instead.\n * @return {GlitchMode} The mode.\n */\n getMode() {\n return this.mode;\n }\n /**\n * Sets the current glitch mode.\n *\n * @deprecated Use mode instead.\n * @param {GlitchMode} value - The mode.\n */\n setMode(value) {\n this.mode = value;\n }\n /**\n * Returns the glitch ratio.\n *\n * @deprecated Use ratio instead.\n * @return {Number} The ratio.\n */\n getGlitchRatio() {\n return 1 - this.ratio;\n }\n /**\n * Sets the ratio of weak (0.0) and strong (1.0) glitches.\n *\n * @deprecated Use ratio instead.\n * @param {Number} value - The ratio. Range is [0.0, 1.0].\n */\n setGlitchRatio(value) {\n this.ratio = Math.min(Math.max(1 - value, 0), 1);\n }\n /**\n * The glitch column size.\n *\n * @type {Number}\n */\n get columns() {\n return this.uniforms.get(\"columns\").value;\n }\n set columns(value) {\n this.uniforms.get(\"columns\").value = value;\n }\n /**\n * Returns the glitch column size.\n *\n * @deprecated Use columns instead.\n * @return {Number} The glitch column size.\n */\n getGlitchColumns() {\n return this.columns;\n }\n /**\n * Sets the glitch column size.\n *\n * @deprecated Use columns instead.\n * @param {Number} value - The glitch column size.\n */\n setGlitchColumns(value) {\n this.columns = value;\n }\n /**\n * Returns the chromatic aberration offset.\n *\n * @deprecated Use chromaticAberrationOffset instead.\n * @return {Vector2} The offset.\n */\n getChromaticAberrationOffset() {\n return this.chromaticAberrationOffset;\n }\n /**\n * Sets the chromatic aberration offset.\n *\n * @deprecated Use chromaticAberrationOffset instead.\n * @param {Vector2} value - The offset.\n */\n setChromaticAberrationOffset(value) {\n this.chromaticAberrationOffset = value;\n }\n /**\n * The perturbation map.\n *\n * @type {Texture}\n */\n get perturbationMap() {\n return this.uniforms.get(\"perturbationMap\").value;\n }\n set perturbationMap(value) {\n const currentMap = this.perturbationMap;\n if (currentMap !== null && currentMap.name === textureTag) {\n currentMap.dispose();\n }\n value.minFilter = value.magFilter = NearestFilter;\n value.wrapS = value.wrapT = RepeatWrapping;\n value.generateMipmaps = false;\n this.uniforms.get(\"perturbationMap\").value = value;\n }\n /**\n * Returns the current perturbation map.\n *\n * @deprecated Use perturbationMap instead.\n * @return {Texture} The current perturbation map.\n */\n getPerturbationMap() {\n return this.perturbationMap;\n }\n /**\n * Replaces the current perturbation map with the given one.\n *\n * The current map will be disposed if it was generated by this effect.\n *\n * @deprecated Use perturbationMap instead.\n * @param {Texture} value - The new perturbation map.\n */\n setPerturbationMap(value) {\n this.perturbationMap = value;\n }\n /**\n * Generates a perturbation map.\n *\n * @deprecated Use NoiseTexture instead.\n * @param {Number} [value=64] - The texture size.\n * @return {DataTexture} The perturbation map.\n */\n generatePerturbationMap(value = 64) {\n const map = new NoiseTexture(value, value, RGBAFormat2);\n map.name = textureTag;\n return map;\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n const mode = this.mode;\n const breakPoint = this.breakPoint;\n const offset = this.chromaticAberrationOffset;\n const s = this.strength;\n let time = this.time;\n let active = false;\n let r = 0, a = 0;\n let trigger;\n if (mode !== GlitchMode.DISABLED) {\n if (mode === GlitchMode.SPORADIC) {\n time += deltaTime;\n trigger = time > breakPoint.x;\n if (time >= breakPoint.x + breakPoint.y) {\n breakPoint.set(\n randomFloat(this.delay.x, this.delay.y),\n randomFloat(this.duration.x, this.duration.y)\n );\n time = 0;\n }\n }\n r = Math.random();\n this.uniforms.get(\"random\").value = r;\n if (trigger && r > this.ratio || mode === GlitchMode.CONSTANT_WILD) {\n active = true;\n r *= s.y * 0.03;\n a = randomFloat(-Math.PI, Math.PI);\n this.seeds.set(randomFloat(-s.y, s.y), randomFloat(-s.y, s.y));\n this.distortion.set(randomFloat(0, 1), randomFloat(0, 1));\n } else if (trigger || mode === GlitchMode.CONSTANT_MILD) {\n active = true;\n r *= s.x * 0.03;\n a = randomFloat(-Math.PI, Math.PI);\n this.seeds.set(randomFloat(-s.x, s.x), randomFloat(-s.x, s.x));\n this.distortion.set(randomFloat(0, 1), randomFloat(0, 1));\n }\n this.time = time;\n }\n if (offset !== null) {\n if (active) {\n offset.set(Math.cos(a), Math.sin(a)).multiplyScalar(r);\n } else {\n offset.set(0, 0);\n }\n }\n this.uniforms.get(\"active\").value = active;\n }\n /**\n * Deletes generated resources.\n */\n dispose() {\n const map = this.perturbationMap;\n if (map !== null && map.name === textureTag) {\n map.dispose();\n }\n }\n};\n\n// src/effects/GodRaysEffect.js\nimport {\n BasicDepthPacking as BasicDepthPacking6,\n Color as Color2,\n DepthTexture as DepthTexture2,\n Matrix4,\n Scene as Scene2,\n SRGBColorSpace as SRGBColorSpace8,\n Uniform as Uniform21,\n Vector2 as Vector211,\n Vector3,\n WebGLRenderTarget as WebGLRenderTarget10\n} from \"three\";\n\n// src/materials/DepthMaskMaterial.js\nimport {\n AlwaysDepth,\n BasicDepthPacking as BasicDepthPacking5,\n EqualDepth,\n GreaterDepth,\n GreaterEqualDepth,\n LessDepth,\n LessEqualDepth,\n NeverDepth,\n NoBlending as NoBlending9,\n NotEqualDepth,\n PerspectiveCamera as PerspectiveCamera2,\n ShaderMaterial as ShaderMaterial10,\n Uniform as Uniform19,\n Vector2 as Vector210\n} from \"three\";\n\n// src/enums/DepthTestStrategy.js\nvar DepthTestStrategy = {\n DEFAULT: 0,\n KEEP_MAX_DEPTH: 1,\n DISCARD_MAX_DEPTH: 2\n};\n\n// src/materials/glsl/depth-mask.frag\nvar depth_mask_default = \"#include \\n#include \\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer0;uniform highp sampler2D depthBuffer1;\\n#else\\nuniform mediump sampler2D depthBuffer0;uniform mediump sampler2D depthBuffer1;\\n#endif\\nuniform sampler2D inputBuffer;uniform vec2 cameraNearFar;float getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#endif\\n}varying vec2 vUv;void main(){vec2 depth;\\n#if DEPTH_PACKING_0 == 3201\\ndepth.x=unpackRGBAToDepth(texture2D(depthBuffer0,vUv));\\n#else\\ndepth.x=texture2D(depthBuffer0,vUv).r;\\n#ifdef LOG_DEPTH\\nfloat d=pow(2.0,depth.x*log2(cameraNearFar.y+1.0))-1.0;float a=cameraNearFar.y/(cameraNearFar.y-cameraNearFar.x);float b=cameraNearFar.y*cameraNearFar.x/(cameraNearFar.x-cameraNearFar.y);depth.x=a+b/d;\\n#endif\\n#endif\\n#if DEPTH_PACKING_1 == 3201\\ndepth.y=unpackRGBAToDepth(texture2D(depthBuffer1,vUv));\\n#else\\ndepth.y=texture2D(depthBuffer1,vUv).r;\\n#ifdef LOG_DEPTH\\nfloat d=pow(2.0,depth.y*log2(cameraNearFar.y+1.0))-1.0;float a=cameraNearFar.y/(cameraNearFar.y-cameraNearFar.x);float b=cameraNearFar.y*cameraNearFar.x/(cameraNearFar.x-cameraNearFar.y);depth.y=a+b/d;\\n#endif\\n#endif\\nbool isMaxDepth=(depth.x==1.0);\\n#ifdef PERSPECTIVE_CAMERA\\ndepth.x=viewZToOrthographicDepth(getViewZ(depth.x),cameraNearFar.x,cameraNearFar.y);depth.y=viewZToOrthographicDepth(getViewZ(depth.y),cameraNearFar.x,cameraNearFar.y);\\n#endif\\n#if DEPTH_TEST_STRATEGY == 0\\nbool keep=depthTest(depth.x,depth.y);\\n#elif DEPTH_TEST_STRATEGY == 1\\nbool keep=isMaxDepth||depthTest(depth.x,depth.y);\\n#else\\nbool keep=!isMaxDepth&&depthTest(depth.x,depth.y);\\n#endif\\nif(keep){gl_FragColor=texture2D(inputBuffer,vUv);}else{discard;}}\";\n\n// src/materials/DepthMaskMaterial.js\nvar DepthMaskMaterial = class extends ShaderMaterial10 {\n /**\n * Constructs a new depth mask material.\n */\n constructor() {\n super({\n name: \"DepthMaskMaterial\",\n defines: {\n DEPTH_EPSILON: \"0.0001\",\n DEPTH_PACKING_0: \"0\",\n DEPTH_PACKING_1: \"0\",\n DEPTH_TEST_STRATEGY: DepthTestStrategy.KEEP_MAX_DEPTH\n },\n uniforms: {\n inputBuffer: new Uniform19(null),\n depthBuffer0: new Uniform19(null),\n depthBuffer1: new Uniform19(null),\n cameraNearFar: new Uniform19(new Vector210(1, 1))\n },\n blending: NoBlending9,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: depth_mask_default,\n vertexShader: common_default\n });\n this.depthMode = LessDepth;\n }\n /**\n * The primary depth buffer.\n *\n * @type {Texture}\n */\n set depthBuffer0(value) {\n this.uniforms.depthBuffer0.value = value;\n }\n /**\n * The primary depth packing strategy.\n *\n * @type {DepthPackingStrategies}\n */\n set depthPacking0(value) {\n this.defines.DEPTH_PACKING_0 = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the base depth buffer.\n *\n * @deprecated Use depthBuffer0 and depthPacking0 instead.\n * @param {Texture} buffer - The depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing strategy.\n */\n setDepthBuffer0(buffer, depthPacking = BasicDepthPacking5) {\n this.depthBuffer0 = buffer;\n this.depthPacking0 = depthPacking;\n }\n /**\n * The secondary depth buffer.\n *\n * @type {Texture}\n */\n set depthBuffer1(value) {\n this.uniforms.depthBuffer1.value = value;\n }\n /**\n * The secondary depth packing strategy.\n *\n * @type {DepthPackingStrategies}\n */\n set depthPacking1(value) {\n this.defines.DEPTH_PACKING_1 = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the depth buffer that will be compared with the base depth buffer.\n *\n * @deprecated Use depthBuffer1 and depthPacking1 instead.\n * @param {Texture} buffer - The depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing strategy.\n */\n setDepthBuffer1(buffer, depthPacking = BasicDepthPacking5) {\n this.depthBuffer1 = buffer;\n this.depthPacking1 = depthPacking;\n }\n /**\n * The strategy for handling maximum depth.\n *\n * @type {DepthTestStrategy}\n */\n get maxDepthStrategy() {\n return Number(this.defines.DEPTH_TEST_STRATEGY);\n }\n set maxDepthStrategy(value) {\n this.defines.DEPTH_TEST_STRATEGY = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Indicates whether maximum depth values should be preserved.\n *\n * @type {Boolean}\n * @deprecated Use maxDepthStrategy instead.\n */\n get keepFar() {\n return this.maxDepthStrategy;\n }\n set keepFar(value) {\n this.maxDepthStrategy = value ? DepthTestStrategy.KEEP_MAX_DEPTH : DepthTestStrategy.DISCARD_MAX_DEPTH;\n }\n /**\n * Returns the strategy for dealing with maximum depth values.\n *\n * @deprecated Use maxDepthStrategy instead.\n * @return {DepthTestStrategy} The strategy.\n */\n getMaxDepthStrategy() {\n return this.maxDepthStrategy;\n }\n /**\n * Sets the strategy for dealing with maximum depth values.\n *\n * @deprecated Use maxDepthStrategy instead.\n * @param {DepthTestStrategy} value - The strategy.\n */\n setMaxDepthStrategy(value) {\n this.maxDepthStrategy = value;\n }\n /**\n * A small error threshold that is used for `EqualDepth` and `NotEqualDepth` tests. Default is `1e-4`.\n *\n * @type {Number}\n */\n get epsilon() {\n return Number(this.defines.DEPTH_EPSILON);\n }\n set epsilon(value) {\n this.defines.DEPTH_EPSILON = value.toFixed(16);\n this.needsUpdate = true;\n }\n /**\n * Returns the current error threshold for depth comparisons.\n *\n * @deprecated Use epsilon instead.\n * @return {Number} The error threshold.\n */\n getEpsilon() {\n return this.epsilon;\n }\n /**\n * Sets the depth comparison error threshold.\n *\n * @deprecated Use epsilon instead.\n * @param {Number} value - The new error threshold.\n */\n setEpsilon(value) {\n this.epsilon = value;\n }\n /**\n * The depth mode.\n *\n * @see https://threejs.org/docs/#api/en/constants/Materials\n * @type {DepthModes}\n */\n get depthMode() {\n return Number(this.defines.DEPTH_MODE);\n }\n set depthMode(value) {\n let depthTest;\n switch (value) {\n case NeverDepth:\n depthTest = \"false\";\n break;\n case AlwaysDepth:\n depthTest = \"true\";\n break;\n case EqualDepth:\n depthTest = \"abs(d1 - d0) <= DEPTH_EPSILON\";\n break;\n case NotEqualDepth:\n depthTest = \"abs(d1 - d0) > DEPTH_EPSILON\";\n break;\n case LessDepth:\n depthTest = \"d0 > d1\";\n break;\n case LessEqualDepth:\n depthTest = \"d0 >= d1\";\n break;\n case GreaterEqualDepth:\n depthTest = \"d0 <= d1\";\n break;\n case GreaterDepth:\n default:\n depthTest = \"d0 < d1\";\n break;\n }\n this.defines.DEPTH_MODE = value.toFixed(0);\n this.defines[\"depthTest(d0, d1)\"] = depthTest;\n this.needsUpdate = true;\n }\n /**\n * Returns the current depth mode.\n *\n * @deprecated Use depthMode instead.\n * @return {DepthModes} The depth mode. Default is `LessDepth`.\n */\n getDepthMode() {\n return this.depthMode;\n }\n /**\n * Sets the depth mode.\n *\n * @deprecated Use depthMode instead.\n * @param {DepthModes} mode - The depth mode.\n */\n setDepthMode(mode) {\n this.depthMode = mode;\n }\n /**\n * Copies the settings of the given camera.\n *\n * @deprecated Use copyCameraSettings instead.\n * @param {Camera} camera - A camera.\n */\n adoptCameraSettings(camera) {\n this.copyCameraSettings(camera);\n }\n /**\n * Copies the settings of the given camera.\n *\n * @param {Camera} camera - A camera.\n */\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNearFar.value.set(camera.near, camera.far);\n if (camera instanceof PerspectiveCamera2) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n};\n\n// src/materials/GodRaysMaterial.js\nimport { NoBlending as NoBlending10, ShaderMaterial as ShaderMaterial11, Uniform as Uniform20 } from \"three\";\n\n// src/materials/glsl/convolution.god-rays.frag\nvar convolution_god_rays_default = \"#include \\n#include \\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform vec2 lightPosition;uniform float exposure;uniform float decay;uniform float density;uniform float weight;uniform float clampMax;varying vec2 vUv;void main(){vec2 coord=vUv;vec2 delta=lightPosition-coord;delta*=1.0/SAMPLES_FLOAT*density;float illuminationDecay=1.0;vec4 color=vec4(0.0);for(int i=0;i\\n}\";\n\n// src/materials/GodRaysMaterial.js\nvar GodRaysMaterial = class extends ShaderMaterial11 {\n /**\n * Constructs a new god rays material.\n *\n * TODO Remove lightPosition param.\n * @param {Vector2} lightPosition - Deprecated.\n */\n constructor(lightPosition) {\n super({\n name: \"GodRaysMaterial\",\n defines: {\n SAMPLES_INT: \"60\",\n SAMPLES_FLOAT: \"60.0\"\n },\n uniforms: {\n inputBuffer: new Uniform20(null),\n lightPosition: new Uniform20(lightPosition),\n density: new Uniform20(1),\n decay: new Uniform20(1),\n weight: new Uniform20(1),\n exposure: new Uniform20(1),\n clampMax: new Uniform20(1)\n },\n blending: NoBlending10,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_god_rays_default,\n vertexShader: common_default\n });\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the input buffer.\n *\n * @deprecated Use inputBuffer instead.\n * @param {Texture} value - The input buffer.\n */\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * The screen space position of the light source.\n *\n * @type {Vector2}\n */\n get lightPosition() {\n return this.uniforms.lightPosition.value;\n }\n /**\n * Returns the screen space position of the light source.\n *\n * @deprecated Use lightPosition instead.\n * @return {Vector2} The position.\n */\n getLightPosition() {\n return this.uniforms.lightPosition.value;\n }\n /**\n * Sets the screen space position of the light source.\n *\n * @deprecated Use lightPosition instead.\n * @param {Vector2} value - The position.\n */\n setLightPosition(value) {\n this.uniforms.lightPosition.value = value;\n }\n /**\n * The density.\n *\n * @type {Number}\n */\n get density() {\n return this.uniforms.density.value;\n }\n set density(value) {\n this.uniforms.density.value = value;\n }\n /**\n * Returns the density.\n *\n * @deprecated Use density instead.\n * @return {Number} The density.\n */\n getDensity() {\n return this.uniforms.density.value;\n }\n /**\n * Sets the density.\n *\n * @deprecated Use density instead.\n * @param {Number} value - The density.\n */\n setDensity(value) {\n this.uniforms.density.value = value;\n }\n /**\n * The decay.\n *\n * @type {Number}\n */\n get decay() {\n return this.uniforms.decay.value;\n }\n set decay(value) {\n this.uniforms.decay.value = value;\n }\n /**\n * Returns the decay.\n *\n * @deprecated Use decay instead.\n * @return {Number} The decay.\n */\n getDecay() {\n return this.uniforms.decay.value;\n }\n /**\n * Sets the decay.\n *\n * @deprecated Use decay instead.\n * @param {Number} value - The decay.\n */\n setDecay(value) {\n this.uniforms.decay.value = value;\n }\n /**\n * The weight.\n *\n * @type {Number}\n */\n get weight() {\n return this.uniforms.weight.value;\n }\n set weight(value) {\n this.uniforms.weight.value = value;\n }\n /**\n * Returns the weight.\n *\n * @deprecated Use weight instead.\n * @return {Number} The weight.\n */\n getWeight() {\n return this.uniforms.weight.value;\n }\n /**\n * Sets the weight.\n *\n * @deprecated Use weight instead.\n * @param {Number} value - The weight.\n */\n setWeight(value) {\n this.uniforms.weight.value = value;\n }\n /**\n * The exposure.\n *\n * @type {Number}\n */\n get exposure() {\n return this.uniforms.exposure.value;\n }\n set exposure(value) {\n this.uniforms.exposure.value = value;\n }\n /**\n * Returns the exposure.\n *\n * @deprecated Use exposure instead.\n * @return {Number} The exposure.\n */\n getExposure() {\n return this.uniforms.exposure.value;\n }\n /**\n * Sets the exposure.\n *\n * @deprecated Use exposure instead.\n * @param {Number} value - The exposure.\n */\n setExposure(value) {\n this.uniforms.exposure.value = value;\n }\n /**\n * The maximum light intensity.\n *\n * @type {Number}\n */\n get maxIntensity() {\n return this.uniforms.clampMax.value;\n }\n set maxIntensity(value) {\n this.uniforms.clampMax.value = value;\n }\n /**\n * Returns the maximum light intensity.\n *\n * @deprecated Use maxIntensity instead.\n * @return {Number} The maximum light intensity.\n */\n getMaxIntensity() {\n return this.uniforms.clampMax.value;\n }\n /**\n * Sets the maximum light intensity.\n *\n * @deprecated Use maxIntensity instead.\n * @param {Number} value - The maximum light intensity.\n */\n setMaxIntensity(value) {\n this.uniforms.clampMax.value = value;\n }\n /**\n * The amount of samples per pixel.\n *\n * @type {Number}\n */\n get samples() {\n return Number(this.defines.SAMPLES_INT);\n }\n set samples(value) {\n const s = Math.floor(value);\n this.defines.SAMPLES_INT = s.toFixed(0);\n this.defines.SAMPLES_FLOAT = s.toFixed(1);\n this.needsUpdate = true;\n }\n /**\n * Returns the amount of samples per pixel.\n *\n * @deprecated Use samples instead.\n * @return {Number} The sample count.\n */\n getSamples() {\n return this.samples;\n }\n /**\n * Sets the amount of samples per pixel.\n *\n * @deprecated Use samples instead.\n * @param {Number} value - The sample count.\n */\n setSamples(value) {\n this.samples = value;\n }\n};\n\n// src/passes/RenderPass.js\nvar RenderPass = class extends Pass {\n /**\n * Constructs a new render pass.\n *\n * @param {Scene} scene - The scene to render.\n * @param {Camera} camera - The camera to use to render the scene.\n * @param {Material} [overrideMaterial=null] - An override material.\n */\n constructor(scene, camera, overrideMaterial = null) {\n super(\"RenderPass\", scene, camera);\n this.needsSwap = false;\n this.clearPass = new ClearPass();\n this.overrideMaterialManager = overrideMaterial === null ? null : new OverrideMaterialManager(overrideMaterial);\n this.ignoreBackground = false;\n this.skipShadowMapUpdate = false;\n this.selection = null;\n }\n set mainScene(value) {\n this.scene = value;\n }\n set mainCamera(value) {\n this.camera = value;\n }\n get renderToScreen() {\n return super.renderToScreen;\n }\n set renderToScreen(value) {\n super.renderToScreen = value;\n this.clearPass.renderToScreen = value;\n }\n /**\n * The current override material.\n *\n * @type {Material}\n */\n get overrideMaterial() {\n const manager = this.overrideMaterialManager;\n return manager !== null ? manager.material : null;\n }\n set overrideMaterial(value) {\n const manager = this.overrideMaterialManager;\n if (value !== null) {\n if (manager !== null) {\n manager.setMaterial(value);\n } else {\n this.overrideMaterialManager = new OverrideMaterialManager(value);\n }\n } else if (manager !== null) {\n manager.dispose();\n this.overrideMaterialManager = null;\n }\n }\n /**\n * Returns the current override material.\n *\n * @deprecated Use overrideMaterial instead.\n * @return {Material} The material.\n */\n getOverrideMaterial() {\n return this.overrideMaterial;\n }\n /**\n * Sets the override material.\n *\n * @deprecated Use overrideMaterial instead.\n * @return {Material} value - The material.\n */\n setOverrideMaterial(value) {\n this.overrideMaterial = value;\n }\n /**\n * Indicates whether the target buffer should be cleared before rendering.\n *\n * @type {Boolean}\n * @deprecated Use clearPass.enabled instead.\n */\n get clear() {\n return this.clearPass.enabled;\n }\n set clear(value) {\n this.clearPass.enabled = value;\n }\n /**\n * Returns the selection. Default is `null` (no restriction).\n *\n * @deprecated Use selection instead.\n * @return {Selection} The selection.\n */\n getSelection() {\n return this.selection;\n }\n /**\n * Sets the selection. Set to `null` to disable.\n *\n * @deprecated Use selection instead.\n * @param {Selection} value - The selection.\n */\n setSelection(value) {\n this.selection = value;\n }\n /**\n * Indicates whether the scene background is disabled.\n *\n * @deprecated Use ignoreBackground instead.\n * @return {Boolean} Whether the scene background is disabled.\n */\n isBackgroundDisabled() {\n return this.ignoreBackground;\n }\n /**\n * Enables or disables the scene background.\n *\n * @deprecated Use ignoreBackground instead.\n * @param {Boolean} value - Whether the scene background should be disabled.\n */\n setBackgroundDisabled(value) {\n this.ignoreBackground = value;\n }\n /**\n * Indicates whether the shadow map auto update is disabled.\n *\n * @deprecated Use skipShadowMapUpdate instead.\n * @return {Boolean} Whether the shadow map update is disabled.\n */\n isShadowMapDisabled() {\n return this.skipShadowMapUpdate;\n }\n /**\n * Enables or disables the shadow map auto update.\n *\n * @deprecated Use skipShadowMapUpdate instead.\n * @param {Boolean} value - Whether the shadow map auto update should be disabled.\n */\n setShadowMapDisabled(value) {\n this.skipShadowMapUpdate = value;\n }\n /**\n * Returns the clear pass.\n *\n * @deprecated Use clearPass.enabled instead.\n * @return {ClearPass} The clear pass.\n */\n getClearPass() {\n return this.clearPass;\n }\n /**\n * Renders the scene.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const scene = this.scene;\n const camera = this.camera;\n const selection = this.selection;\n const mask = camera.layers.mask;\n const background = scene.background;\n const shadowMapAutoUpdate = renderer.shadowMap.autoUpdate;\n const renderTarget = this.renderToScreen ? null : inputBuffer;\n if (selection !== null) {\n camera.layers.set(selection.getLayer());\n }\n if (this.skipShadowMapUpdate) {\n renderer.shadowMap.autoUpdate = false;\n }\n if (this.ignoreBackground || this.clearPass.overrideClearColor !== null) {\n scene.background = null;\n }\n if (this.clearPass.enabled) {\n this.clearPass.render(renderer, inputBuffer);\n }\n renderer.setRenderTarget(renderTarget);\n if (this.overrideMaterialManager !== null) {\n this.overrideMaterialManager.render(renderer, scene, camera);\n } else {\n renderer.render(scene, camera);\n }\n camera.layers.mask = mask;\n scene.background = background;\n renderer.shadowMap.autoUpdate = shadowMapAutoUpdate;\n }\n};\n\n// src/effects/glsl/god-rays.frag\nvar god_rays_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=texture2D(map,uv);}\";\n\n// src/effects/GodRaysEffect.js\nvar v = /* @__PURE__ */ new Vector3();\nvar m = /* @__PURE__ */ new Matrix4();\nvar GodRaysEffect = class extends Effect {\n /**\n * Constructs a new god rays effect.\n *\n * @param {Camera} [camera] - The main camera.\n * @param {Mesh|Points} [lightSource] - The light source. Must not write depth and has to be flagged as transparent.\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SCREEN] - The blend function of this effect.\n * @param {Number} [options.samples=60.0] - The number of samples per pixel.\n * @param {Number} [options.density=0.96] - The density of the light rays.\n * @param {Number} [options.decay=0.9] - An illumination decay factor.\n * @param {Number} [options.weight=0.4] - A light ray weight factor.\n * @param {Number} [options.exposure=0.6] - A constant attenuation coefficient.\n * @param {Number} [options.clampMax=1.0] - An upper bound for the saturation of the overall effect.\n * @param {Number} [options.resolutionScale=0.5] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n * @param {Number} [options.width=Resolution.AUTO_SIZE] - Deprecated. Use resolutionX instead.\n * @param {Number} [options.height=Resolution.AUTO_SIZE] - Deprecated. Use resolutionY instead.\n * @param {KernelSize} [options.kernelSize=KernelSize.SMALL] - The blur kernel size. Has no effect if blur is disabled.\n * @param {Boolean} [options.blur=true] - Whether the god rays should be blurred to reduce artifacts.\n */\n constructor(camera, lightSource, {\n blendFunction = BlendFunction.SCREEN,\n samples = 60,\n density = 0.96,\n decay = 0.9,\n weight = 0.4,\n exposure = 0.6,\n clampMax = 1,\n blur = true,\n kernelSize = KernelSize.SMALL,\n resolutionScale = 0.5,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"GodRaysEffect\", god_rays_default, {\n blendFunction,\n attributes: EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"map\", new Uniform21(null)]\n ])\n });\n this.camera = camera;\n this._lightSource = lightSource;\n this.lightSource = lightSource;\n this.lightScene = new Scene2();\n this.screenPosition = new Vector211();\n this.renderTargetA = new WebGLRenderTarget10(1, 1, { depthBuffer: false });\n this.renderTargetA.texture.name = \"GodRays.Target.A\";\n this.renderTargetB = this.renderTargetA.clone();\n this.renderTargetB.texture.name = \"GodRays.Target.B\";\n this.uniforms.get(\"map\").value = this.renderTargetB.texture;\n this.renderTargetLight = new WebGLRenderTarget10(1, 1);\n this.renderTargetLight.texture.name = \"GodRays.Light\";\n this.renderTargetLight.depthTexture = new DepthTexture2();\n this.renderPassLight = new RenderPass(this.lightScene, camera);\n this.renderPassLight.clearPass.overrideClearColor = new Color2(0);\n this.clearPass = new ClearPass(true, false, false);\n this.clearPass.overrideClearColor = new Color2(0);\n this.blurPass = new KawaseBlurPass({ kernelSize });\n this.blurPass.enabled = blur;\n this.depthMaskPass = new ShaderPass(new DepthMaskMaterial());\n const depthMaskMaterial = this.depthMaskMaterial;\n depthMaskMaterial.depthBuffer1 = this.renderTargetLight.depthTexture;\n depthMaskMaterial.copyCameraSettings(camera);\n this.godRaysPass = new ShaderPass(new GodRaysMaterial(this.screenPosition));\n const godRaysMaterial = this.godRaysMaterial;\n godRaysMaterial.density = density;\n godRaysMaterial.decay = decay;\n godRaysMaterial.weight = weight;\n godRaysMaterial.exposure = exposure;\n godRaysMaterial.maxIntensity = clampMax;\n godRaysMaterial.samples = samples;\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n set mainCamera(value) {\n this.camera = value;\n this.renderPassLight.mainCamera = value;\n this.depthMaskMaterial.copyCameraSettings(value);\n }\n /**\n * Sets the light source.\n *\n * @type {Mesh|Points}\n */\n get lightSource() {\n return this._lightSource;\n }\n set lightSource(value) {\n this._lightSource = value;\n if (value !== null) {\n value.material.depthWrite = false;\n value.material.transparent = true;\n }\n }\n /**\n * Returns the blur pass that reduces aliasing artifacts and makes the light softer.\n *\n * @deprecated Use blurPass instead.\n * @return {KawaseBlurPass} The blur pass.\n */\n getBlurPass() {\n return this.blurPass;\n }\n /**\n * A texture that contains the intermediate result of this effect.\n *\n * @type {Texture}\n */\n get texture() {\n return this.renderTargetB.texture;\n }\n /**\n * Returns the god rays texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.texture;\n }\n /**\n * The depth mask material.\n *\n * @type {DepthMaskMaterial}\n * @private\n */\n get depthMaskMaterial() {\n return this.depthMaskPass.fullscreenMaterial;\n }\n /**\n * The internal god rays material.\n *\n * @type {GodRaysMaterial}\n */\n get godRaysMaterial() {\n return this.godRaysPass.fullscreenMaterial;\n }\n /**\n * Returns the god rays material.\n *\n * @deprecated Use godRaysMaterial instead.\n * @return {GodRaysMaterial} The material.\n */\n getGodRaysMaterial() {\n return this.godRaysMaterial;\n }\n /**\n * Returns the resolution of this effect.\n *\n * @deprecated Use resolution instead.\n * @return {GodRaysMaterial} The material.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * The current width of the internal render targets.\n *\n * @type {Number}\n * @deprecated Use resolution.width instead.\n */\n get width() {\n return this.resolution.width;\n }\n set width(value) {\n this.resolution.preferredWidth = value;\n }\n /**\n * The current height of the internal render targets.\n *\n * @type {Number}\n * @deprecated Use resolution.height instead.\n */\n get height() {\n return this.resolution.height;\n }\n set height(value) {\n this.resolution.preferredHeight = value;\n }\n /**\n * Indicates whether dithering is enabled.\n *\n * @type {Boolean}\n * @deprecated\n */\n get dithering() {\n return this.godRaysMaterial.dithering;\n }\n set dithering(value) {\n const material = this.godRaysMaterial;\n material.dithering = value;\n material.needsUpdate = true;\n }\n /**\n * Indicates whether the god rays should be blurred to reduce artifacts.\n *\n * @type {Boolean}\n * @deprecated Use blurPass.enabled instead.\n */\n get blur() {\n return this.blurPass.enabled;\n }\n set blur(value) {\n this.blurPass.enabled = value;\n }\n /**\n * The blur kernel size.\n *\n * @type {KernelSize}\n * @deprecated Use blurPass.kernelSize instead.\n */\n get kernelSize() {\n return this.blurPass.kernelSize;\n }\n set kernelSize(value) {\n this.blurPass.kernelSize = value;\n }\n /**\n * Returns the current resolution scale.\n *\n * @return {Number} The resolution scale.\n * @deprecated Use resolution instead.\n */\n getResolutionScale() {\n return this.resolution.scale;\n }\n /**\n * Sets the resolution scale.\n *\n * @param {Number} scale - The new resolution scale.\n * @deprecated Use resolution instead.\n */\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n /**\n * The number of samples per pixel.\n *\n * @type {Number}\n * @deprecated Use godRaysMaterial.samples instead.\n */\n get samples() {\n return this.godRaysMaterial.samples;\n }\n /**\n * A higher sample count improves quality at the cost of performance.\n *\n * @type {Number}\n * @deprecated Use godRaysMaterial.samples instead.\n */\n set samples(value) {\n this.godRaysMaterial.samples = value;\n }\n /**\n * Sets the depth texture.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {Number} [depthPacking=BasicDepthPacking] - The depth packing.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking6) {\n this.depthMaskPass.fullscreenMaterial.depthBuffer0 = depthTexture;\n this.depthMaskPass.fullscreenMaterial.depthPacking0 = depthPacking;\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n const lightSource = this.lightSource;\n const parent = lightSource.parent;\n const matrixAutoUpdate = lightSource.matrixAutoUpdate;\n const renderTargetA = this.renderTargetA;\n const renderTargetLight = this.renderTargetLight;\n lightSource.material.depthWrite = true;\n lightSource.matrixAutoUpdate = false;\n lightSource.updateWorldMatrix(true, false);\n if (parent !== null) {\n if (!matrixAutoUpdate) {\n m.copy(lightSource.matrix);\n }\n lightSource.matrix.copy(lightSource.matrixWorld);\n }\n this.lightScene.add(lightSource);\n this.renderPassLight.render(renderer, renderTargetLight);\n this.clearPass.render(renderer, renderTargetA);\n this.depthMaskPass.render(renderer, renderTargetLight, renderTargetA);\n lightSource.material.depthWrite = false;\n lightSource.matrixAutoUpdate = matrixAutoUpdate;\n if (parent !== null) {\n if (!matrixAutoUpdate) {\n lightSource.matrix.copy(m);\n }\n parent.add(lightSource);\n }\n v.setFromMatrixPosition(lightSource.matrixWorld).project(this.camera);\n this.screenPosition.set(\n Math.min(Math.max((v.x + 1) * 0.5, -1), 2),\n Math.min(Math.max((v.y + 1) * 0.5, -1), 2)\n );\n if (this.blurPass.enabled) {\n this.blurPass.render(renderer, renderTargetA, renderTargetA);\n }\n this.godRaysPass.render(renderer, renderTargetA, this.renderTargetB);\n }\n /**\n * Updates the size of internal render targets.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.renderTargetA.setSize(w, h);\n this.renderTargetB.setSize(w, h);\n this.renderTargetLight.setSize(w, h);\n this.blurPass.resolution.copy(resolution);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n this.blurPass.initialize(renderer, alpha, frameBufferType);\n this.renderPassLight.initialize(renderer, alpha, frameBufferType);\n this.depthMaskPass.initialize(renderer, alpha, frameBufferType);\n this.godRaysPass.initialize(renderer, alpha, frameBufferType);\n if (frameBufferType !== void 0) {\n this.renderTargetA.texture.type = frameBufferType;\n this.renderTargetB.texture.type = frameBufferType;\n this.renderTargetLight.texture.type = frameBufferType;\n if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace8) {\n this.renderTargetA.texture.colorSpace = SRGBColorSpace8;\n this.renderTargetB.texture.colorSpace = SRGBColorSpace8;\n this.renderTargetLight.texture.colorSpace = SRGBColorSpace8;\n }\n }\n }\n};\n\n// src/effects/GridEffect.js\nimport { Uniform as Uniform22, Vector2 as Vector212 } from \"three\";\n\n// src/effects/glsl/grid.frag\nvar grid_default = \"uniform vec2 scale;uniform float lineWidth;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){float grid=0.5-max(abs(mod(uv.x*scale.x,1.0)-0.5),abs(mod(uv.y*scale.y,1.0)-0.5));outputColor=vec4(vec3(smoothstep(0.0,lineWidth,grid)),inputColor.a);}\";\n\n// src/effects/GridEffect.js\nvar GridEffect = class extends Effect {\n /**\n * Constructs a new grid effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.OVERLAY] - The blend function of this effect.\n * @param {Number} [options.scale=1.0] - The scale of the grid pattern.\n * @param {Number} [options.lineWidth=0.0] - The line width of the grid pattern.\n */\n constructor({ blendFunction = BlendFunction.OVERLAY, scale = 1, lineWidth = 0 } = {}) {\n super(\"GridEffect\", grid_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"scale\", new Uniform22(new Vector212())],\n [\"lineWidth\", new Uniform22(lineWidth)]\n ])\n });\n this.resolution = new Vector212();\n this.s = 0;\n this.scale = scale;\n this.l = 0;\n this.lineWidth = lineWidth;\n }\n /**\n * The scale.\n *\n * @type {Number}\n */\n get scale() {\n return this.s;\n }\n set scale(value) {\n this.s = Math.max(value, 1e-6);\n this.setSize(this.resolution.width, this.resolution.height);\n }\n /**\n * Returns the current grid scale.\n *\n * @deprecated Use scale instead.\n * @return {Number} The grid scale.\n */\n getScale() {\n return this.scale;\n }\n /**\n * Sets the grid scale.\n *\n * @deprecated Use scale instead.\n * @param {Number} value - The new grid scale.\n */\n setScale(value) {\n this.scale = value;\n }\n /**\n * The line width.\n *\n * @type {Number}\n */\n get lineWidth() {\n return this.l;\n }\n set lineWidth(value) {\n this.l = value;\n this.setSize(this.resolution.width, this.resolution.height);\n }\n /**\n * Returns the current grid line width.\n *\n * @deprecated Use lineWidth instead.\n * @return {Number} The grid line width.\n */\n getLineWidth() {\n return this.lineWidth;\n }\n /**\n * Sets the grid line width.\n *\n * @deprecated Use lineWidth instead.\n * @param {Number} value - The new grid line width.\n */\n setLineWidth(value) {\n this.lineWidth = value;\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.resolution.set(width, height);\n const aspect = width / height;\n const scale = this.scale * (height * 0.125);\n this.uniforms.get(\"scale\").value.set(aspect * scale, scale);\n this.uniforms.get(\"lineWidth\").value = scale / height + this.lineWidth;\n }\n};\n\n// src/effects/HueSaturationEffect.js\nimport { Uniform as Uniform23, Vector3 as Vector32 } from \"three\";\n\n// src/effects/glsl/hue-saturation.frag\nvar hue_saturation_default = \"uniform vec3 hue;uniform float saturation;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=vec3(dot(inputColor.rgb,hue.xyz),dot(inputColor.rgb,hue.zxy),dot(inputColor.rgb,hue.yzx));float average=(color.r+color.g+color.b)/3.0;vec3 diff=average-color;if(saturation>0.0){color+=diff*(1.0-1.0/(1.001-saturation));}else{color+=diff*-saturation;}outputColor=vec4(min(color,1.0),inputColor.a);}\";\n\n// src/effects/HueSaturationEffect.js\nvar HueSaturationEffect = class extends Effect {\n /**\n * Constructs a new hue/saturation effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SRC] - The blend function of this effect.\n * @param {Number} [options.hue=0.0] - The hue in radians.\n * @param {Number} [options.saturation=0.0] - The saturation factor, ranging from -1 to 1, where 0 means no change.\n */\n constructor({ blendFunction = BlendFunction.SRC, hue = 0, saturation = 0 } = {}) {\n super(\"HueSaturationEffect\", hue_saturation_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"hue\", new Uniform23(new Vector32())],\n [\"saturation\", new Uniform23(saturation)]\n ])\n });\n this.hue = hue;\n }\n /**\n * The saturation.\n *\n * @type {Number}\n */\n get saturation() {\n return this.uniforms.get(\"saturation\").value;\n }\n set saturation(value) {\n this.uniforms.get(\"saturation\").value = value;\n }\n /**\n * Returns the saturation.\n *\n * @deprecated Use saturation instead.\n * @return {Number} The saturation.\n */\n getSaturation() {\n return this.saturation;\n }\n /**\n * Sets the saturation.\n *\n * @deprecated Use saturation instead.\n * @param {Number} value - The saturation.\n */\n setSaturation(value) {\n this.saturation = value;\n }\n /**\n * The hue.\n *\n * @type {Number}\n */\n get hue() {\n const hue = this.uniforms.get(\"hue\").value;\n return Math.acos((hue.x * 3 - 1) / 2);\n }\n set hue(value) {\n const s = Math.sin(value), c2 = Math.cos(value);\n this.uniforms.get(\"hue\").value.set(\n (2 * c2 + 1) / 3,\n (-Math.sqrt(3) * s - c2 + 1) / 3,\n (Math.sqrt(3) * s - c2 + 1) / 3\n );\n }\n /**\n * Returns the hue.\n *\n * @deprecated Use hue instead.\n * @return {Number} The hue in radians.\n */\n getHue() {\n return this.hue;\n }\n /**\n * Sets the hue.\n *\n * @deprecated Use hue instead.\n * @param {Number} value - The hue in radians.\n */\n setHue(value) {\n this.hue = value;\n }\n};\n\n// src/effects/LensDistortionEffect.js\nimport { Uniform as Uniform24, Vector2 as Vector213 } from \"three\";\n\n// src/effects/glsl/lens-distortion.frag\nvar lens_distortion_default = \"uniform vec2 distortion;uniform vec2 principalPoint;uniform vec2 focalLength;uniform float skew;float mask(const in vec2 uv){return float(uv.s>=0.0&&uv.s<=1.0&&uv.t>=0.0&&uv.t<=1.0);}void mainUv(inout vec2 uv){vec2 xn=2.0*(uv.st-0.5);vec3 xDistorted=vec3((1.0+distortion*dot(xn,xn))*xn,1.0);mat3 kk=mat3(vec3(focalLength.x,0.0,0.0),vec3(skew*focalLength.x,focalLength.y,0.0),vec3(principalPoint.x,principalPoint.y,1.0));uv=(kk*xDistorted).xy*0.5+0.5;}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=mask(uv)*inputColor;}\";\n\n// src/effects/LensDistortionEffect.js\nvar LensDistortionEffect = class extends Effect {\n /**\n * Constructs a new lens distortion effect.\n *\n * @param {Object} [options] - The options.\n * @param {Vector2} [options.distortion] - The distortion value.\n * @param {Vector2} [options.principalPoint] - The center point.\n * @param {Vector2} [options.focalLength] - The focal length.\n * @param {Number} [options.skew=0] - The skew value.\n */\n constructor({\n distortion = new Vector213(0, 0),\n principalPoint = new Vector213(0, 0),\n focalLength = new Vector213(1, 1),\n skew = 0\n } = {}) {\n super(\"LensDistortionEffect\", lens_distortion_default, {\n uniforms: /* @__PURE__ */ new Map([\n [\"distortion\", new Uniform24(distortion)],\n [\"principalPoint\", new Uniform24(principalPoint)],\n [\"focalLength\", new Uniform24(focalLength)],\n [\"skew\", new Uniform24(skew)]\n ])\n });\n }\n /**\n * The radial distortion coefficients. Default is (0, 0).\n *\n * @type {Vector2}\n */\n get distortion() {\n return this.uniforms.get(\"distortion\").value;\n }\n set distortion(value) {\n this.uniforms.get(\"distortion\").value = value;\n }\n /**\n * The principal point. Default is (0, 0).\n *\n * @type {Vector2}\n */\n get principalPoint() {\n return this.uniforms.get(\"principalPoint\").value;\n }\n set principalPoint(value) {\n this.uniforms.get(\"principalPoint\").value = value;\n }\n /**\n * The focal length. Default is (1, 1).\n *\n * @type {Vector2}\n */\n get focalLength() {\n return this.uniforms.get(\"focalLength\").value;\n }\n set focalLength(value) {\n this.uniforms.get(\"focalLength\").value = value;\n }\n /**\n * The skew factor in radians.\n *\n * @type {Number}\n */\n get skew() {\n return this.uniforms.get(\"skew\").value;\n }\n set skew(value) {\n this.uniforms.get(\"skew\").value = value;\n }\n};\n\n// src/effects/LUT1DEffect.js\nimport { FloatType, HalfFloatType, Uniform as Uniform25 } from \"three\";\n\n// src/effects/glsl/lut-1d.frag\nvar lut_1d_default = \"#ifdef LUT_PRECISION_HIGH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D lut;\\n#else\\nuniform mediump sampler2D lut;\\n#endif\\n#else\\nuniform lowp sampler2D lut;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=vec4(texture2D(lut,vec2(inputColor.r,0.5)).r,texture2D(lut,vec2(inputColor.g,0.5)).r,texture2D(lut,vec2(inputColor.b,0.5)).r,inputColor.a);}\";\n\n// src/effects/LUT1DEffect.js\nvar LUT1DEffect = class extends Effect {\n /**\n * Constructs a new color grading effect.\n *\n * @param {Texture} lut - The lookup texture.\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SRC] - The blend function of this effect.\n */\n constructor(lut, { blendFunction = BlendFunction.SRC } = {}) {\n super(\"LUT1DEffect\", lut_1d_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([[\"lut\", new Uniform25(null)]])\n });\n this.lut = lut;\n }\n /**\n * The LUT.\n *\n * @type {Texture}\n */\n get lut() {\n return this.uniforms.get(\"lut\").value;\n }\n set lut(value) {\n this.uniforms.get(\"lut\").value = value;\n if (value !== null && (value.type === FloatType || value.type === HalfFloatType)) {\n this.defines.set(\"LUT_PRECISION_HIGH\", \"1\");\n }\n }\n};\n\n// src/effects/LUT3DEffect.js\nimport {\n Data3DTexture as Data3DTexture2,\n FloatType as FloatType3,\n HalfFloatType as HalfFloatType2,\n LinearFilter as LinearFilter4,\n NearestFilter as NearestFilter2,\n SRGBColorSpace as SRGBColorSpace10,\n Uniform as Uniform26,\n Vector3 as Vector34\n} from \"three\";\n\n// src/textures/lut/LookupTexture.js\nimport {\n Color as Color3,\n ClampToEdgeWrapping,\n DataTexture as DataTexture2,\n Data3DTexture,\n FloatType as FloatType2,\n LinearFilter as LinearFilter3,\n LinearSRGBColorSpace as LinearSRGBColorSpace3,\n RGBAFormat as RGBAFormat3,\n SRGBColorSpace as SRGBColorSpace9,\n UnsignedByteType as UnsignedByteType10,\n Vector3 as Vector33\n} from \"three\";\n\n// src/enums/LUTOperation.js\nvar LUTOperation = {\n SCALE_UP: \"lut.scaleup\"\n};\n\n// src/textures/RawImageData.js\nfunction createCanvas(width, height, data) {\n const canvas = document.createElement(\"canvas\");\n const context = canvas.getContext(\"2d\");\n canvas.width = width;\n canvas.height = height;\n if (data instanceof Image) {\n context.drawImage(data, 0, 0);\n } else {\n const imageData = context.createImageData(width, height);\n imageData.data.set(data);\n context.putImageData(imageData, 0, 0);\n }\n return canvas;\n}\nvar RawImageData = class _RawImageData {\n /**\n * Constructs a new image data container.\n *\n * @param {Number} [width=0] - The width of the image.\n * @param {Number} [height=0] - The height of the image.\n * @param {Uint8ClampedArray} [data=null] - The image data.\n */\n constructor(width = 0, height = 0, data = null) {\n this.width = width;\n this.height = height;\n this.data = data;\n }\n /**\n * Creates a canvas from this image data.\n *\n * @return {Canvas} The canvas, or null if it couldn't be created.\n */\n toCanvas() {\n return typeof document === \"undefined\" ? null : createCanvas(this.width, this.height, this.data);\n }\n /**\n * Creates a new image data container.\n *\n * @param {ImageData|Image} image - An image or plain image data.\n * @return {RawImageData} The image data.\n */\n static from(image) {\n const { width, height } = image;\n let data;\n if (image instanceof Image) {\n const canvas = createCanvas(width, height, image);\n if (canvas !== null) {\n const context = canvas.getContext(\"2d\");\n data = context.getImageData(0, 0, width, height).data;\n }\n } else {\n data = image.data;\n }\n return new _RawImageData(width, height, data);\n }\n};\n\n// tmp/lut/worker.txt\nvar worker_default = '\"use strict\";(()=>{var O={SCALE_UP:\"lut.scaleup\"};var _=[new Float32Array(3),new Float32Array(3)],n=[new Float32Array(3),new Float32Array(3),new Float32Array(3),new Float32Array(3)],Z=[[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([0,1,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([0,1,1]),new Float32Array([1,1,1])]];function d(a,t,r,m){let i=r[0]-t[0],e=r[1]-t[1],y=r[2]-t[2],h=a[0]-t[0],A=a[1]-t[1],w=a[2]-t[2],c=e*w-y*A,l=y*h-i*w,x=i*A-e*h,u=Math.sqrt(c*c+l*l+x*x),b=u*.5,s=c/u,F=l/u,f=x/u,p=-(a[0]*s+a[1]*F+a[2]*f),M=m[0]*s+m[1]*F+m[2]*f;return Math.abs(M+p)*b/3}function V(a,t,r,m,i,e){let y=(r+m*t+i*t*t)*4;e[0]=a[y+0],e[1]=a[y+1],e[2]=a[y+2]}function k(a,t,r,m,i,e){let y=r*(t-1),h=m*(t-1),A=i*(t-1),w=Math.floor(y),c=Math.floor(h),l=Math.floor(A),x=Math.ceil(y),u=Math.ceil(h),b=Math.ceil(A),s=y-w,F=h-c,f=A-l;if(w===y&&c===h&&l===A)V(a,t,y,h,A,e);else{let p;s>=F&&F>=f?p=Z[0]:s>=f&&f>=F?p=Z[1]:f>=s&&s>=F?p=Z[2]:F>=s&&s>=f?p=Z[3]:F>=f&&f>=s?p=Z[4]:f>=F&&F>=s&&(p=Z[5]);let[M,g,X,Y]=p,P=_[0];P[0]=s,P[1]=F,P[2]=f;let o=_[1],L=x-w,S=u-c,U=b-l;o[0]=L*M[0]+w,o[1]=S*M[1]+c,o[2]=U*M[2]+l,V(a,t,o[0],o[1],o[2],n[0]),o[0]=L*g[0]+w,o[1]=S*g[1]+c,o[2]=U*g[2]+l,V(a,t,o[0],o[1],o[2],n[1]),o[0]=L*X[0]+w,o[1]=S*X[1]+c,o[2]=U*X[2]+l,V(a,t,o[0],o[1],o[2],n[2]),o[0]=L*Y[0]+w,o[1]=S*Y[1]+c,o[2]=U*Y[2]+l,V(a,t,o[0],o[1],o[2],n[3]);let T=d(g,X,Y,P)*6,q=d(M,X,Y,P)*6,C=d(M,g,Y,P)*6,E=d(M,g,X,P)*6;n[0][0]*=T,n[0][1]*=T,n[0][2]*=T,n[1][0]*=q,n[1][1]*=q,n[1][2]*=q,n[2][0]*=C,n[2][1]*=C,n[2][2]*=C,n[3][0]*=E,n[3][1]*=E,n[3][2]*=E,e[0]=n[0][0]+n[1][0]+n[2][0]+n[3][0],e[1]=n[0][1]+n[1][1]+n[2][1]+n[3][1],e[2]=n[0][2]+n[1][2]+n[2][2]+n[3][2]}}var v=class{static expand(t,r){let m=Math.cbrt(t.length/4),i=new Float32Array(3),e=new t.constructor(r**3*4),y=t instanceof Uint8Array?255:1,h=r**2,A=1/(r-1);for(let w=0;w{let t=a.data,r=t.data;switch(t.operation){case O.SCALE_UP:r=v.expand(r,t.size);break}postMessage(r,[r.buffer]),close()});})();\\n';\n\n// src/textures/lut/LookupTexture.js\nvar c = /* @__PURE__ */ new Color3();\nvar LookupTexture = class _LookupTexture extends Data3DTexture {\n /**\n * Constructs a cubic 3D lookup texture.\n *\n * @param {TypedArray} data - The pixel data. The default format is RGBA.\n * @param {Number} size - The sidelength.\n */\n constructor(data, size) {\n super(data, size, size, size);\n this.type = FloatType2;\n this.format = RGBAFormat3;\n this.minFilter = LinearFilter3;\n this.magFilter = LinearFilter3;\n this.wrapS = ClampToEdgeWrapping;\n this.wrapT = ClampToEdgeWrapping;\n this.wrapR = ClampToEdgeWrapping;\n this.unpackAlignment = 1;\n this.needsUpdate = true;\n this.colorSpace = LinearSRGBColorSpace3;\n this.domainMin = new Vector33(0, 0, 0);\n this.domainMax = new Vector33(1, 1, 1);\n }\n /**\n * Indicates that this is an instance of LookupTexture3D.\n *\n * @type {Boolean}\n * @deprecated\n */\n get isLookupTexture3D() {\n return true;\n }\n /**\n * Scales this LUT up to a given target size using tetrahedral interpolation.\n *\n * @param {Number} size - The target sidelength.\n * @param {Boolean} [transferData=true] - Extra fast mode. Set to false to keep the original data intact.\n * @return {Promise} A promise that resolves with a new LUT upon completion.\n */\n scaleUp(size, transferData = true) {\n const image = this.image;\n let promise;\n if (size <= image.width) {\n promise = Promise.reject(new Error(\"The target size must be greater than the current size\"));\n } else {\n promise = new Promise((resolve, reject) => {\n const workerURL = URL.createObjectURL(new Blob([worker_default], {\n type: \"text/javascript\"\n }));\n const worker = new Worker(workerURL);\n worker.addEventListener(\"error\", (event) => reject(event.error));\n worker.addEventListener(\"message\", (event) => {\n const lut = new _LookupTexture(event.data, size);\n this.colorSpace = lut.colorSpace;\n lut.type = this.type;\n lut.name = this.name;\n URL.revokeObjectURL(workerURL);\n resolve(lut);\n });\n const transferList = transferData ? [image.data.buffer] : [];\n worker.postMessage({\n operation: LUTOperation.SCALE_UP,\n data: image.data,\n size\n }, transferList);\n });\n }\n return promise;\n }\n /**\n * Applies the given LUT to this one.\n *\n * @param {LookupTexture} lut - A LUT. Must have the same dimensions, type and format as this LUT.\n * @return {LookupTexture} This texture.\n */\n applyLUT(lut) {\n const img0 = this.image;\n const img1 = lut.image;\n const size0 = Math.min(img0.width, img0.height, img0.depth);\n const size1 = Math.min(img1.width, img1.height, img1.depth);\n if (size0 !== size1) {\n console.error(\"Size mismatch\");\n } else if (lut.type !== FloatType2 || this.type !== FloatType2) {\n console.error(\"Both LUTs must be FloatType textures\");\n } else if (lut.format !== RGBAFormat3 || this.format !== RGBAFormat3) {\n console.error(\"Both LUTs must be RGBA textures\");\n } else {\n const data0 = img0.data;\n const data1 = img1.data;\n const size = size0;\n const sizeSq = size ** 2;\n const s = size - 1;\n for (let i = 0, l = size ** 3; i < l; ++i) {\n const i4 = i * 4;\n const r = data0[i4 + 0] * s;\n const g = data0[i4 + 1] * s;\n const b = data0[i4 + 2] * s;\n const iRGB = Math.round(r + g * size + b * sizeSq) * 4;\n data0[i4 + 0] = data1[iRGB + 0];\n data0[i4 + 1] = data1[iRGB + 1];\n data0[i4 + 2] = data1[iRGB + 2];\n }\n this.needsUpdate = true;\n }\n return this;\n }\n /**\n * Converts the LUT data into unsigned byte data.\n *\n * This is a lossy operation which should only be performed after all other transformations have been applied.\n *\n * @return {LookupTexture} This texture.\n */\n convertToUint8() {\n if (this.type === FloatType2) {\n const floatData = this.image.data;\n const uint8Data = new Uint8Array(floatData.length);\n for (let i = 0, l = floatData.length; i < l; ++i) {\n uint8Data[i] = floatData[i] * 255 + 0.5;\n }\n this.image.data = uint8Data;\n this.type = UnsignedByteType10;\n this.needsUpdate = true;\n }\n return this;\n }\n /**\n * Converts the LUT data into float data.\n *\n * @return {LookupTexture} This texture.\n */\n convertToFloat() {\n if (this.type === UnsignedByteType10) {\n const uint8Data = this.image.data;\n const floatData = new Float32Array(uint8Data.length);\n for (let i = 0, l = uint8Data.length; i < l; ++i) {\n floatData[i] = uint8Data[i] / 255;\n }\n this.image.data = floatData;\n this.type = FloatType2;\n this.needsUpdate = true;\n }\n return this;\n }\n /**\n * Converts this LUT into RGBA data.\n *\n * @deprecated LUTs are RGBA by default since three r137.\n * @return {LookupTexture} This texture.\n */\n convertToRGBA() {\n console.warn(\"LookupTexture\", \"convertToRGBA() is deprecated, LUTs are now RGBA by default\");\n return this;\n }\n /**\n * Converts the output of this LUT into sRGB color space.\n *\n * @return {LookupTexture} This texture.\n */\n convertLinearToSRGB() {\n const data = this.image.data;\n if (this.type === FloatType2) {\n for (let i = 0, l = data.length; i < l; i += 4) {\n c.fromArray(data, i).convertLinearToSRGB().toArray(data, i);\n }\n this.colorSpace = SRGBColorSpace9;\n this.needsUpdate = true;\n } else {\n console.error(\"Color space conversion requires FloatType data\");\n }\n return this;\n }\n /**\n * Converts the output of this LUT into linear color space.\n *\n * @return {LookupTexture} This texture.\n */\n convertSRGBToLinear() {\n const data = this.image.data;\n if (this.type === FloatType2) {\n for (let i = 0, l = data.length; i < l; i += 4) {\n c.fromArray(data, i).convertSRGBToLinear().toArray(data, i);\n }\n this.colorSpace = LinearSRGBColorSpace3;\n this.needsUpdate = true;\n } else {\n console.error(\"Color space conversion requires FloatType data\");\n }\n return this;\n }\n /**\n * Converts this LUT into a 2D data texture.\n *\n * Please note that custom input domains are not carried over to 2D textures.\n *\n * @return {DataTexture} The texture.\n */\n toDataTexture() {\n const width = this.image.width;\n const height = this.image.height * this.image.depth;\n const texture = new DataTexture2(this.image.data, width, height);\n texture.name = this.name;\n texture.type = this.type;\n texture.format = this.format;\n texture.minFilter = LinearFilter3;\n texture.magFilter = LinearFilter3;\n texture.wrapS = this.wrapS;\n texture.wrapT = this.wrapT;\n texture.generateMipmaps = false;\n texture.needsUpdate = true;\n this.colorSpace = texture.colorSpace;\n return texture;\n }\n /**\n * Creates a new 3D LUT by copying a given LUT.\n *\n * Common image-based textures will be converted into 3D data textures.\n *\n * @param {Texture} texture - The LUT. Assumed to be cubic.\n * @return {LookupTexture} A new 3D LUT.\n */\n static from(texture) {\n const image = texture.image;\n const { width, height } = image;\n const size = Math.min(width, height);\n let data;\n if (image instanceof Image) {\n const rawImageData = RawImageData.from(image);\n const src = rawImageData.data;\n if (width > height) {\n data = new Uint8Array(src.length);\n for (let z = 0; z < size; ++z) {\n for (let y = 0; y < size; ++y) {\n for (let x = 0; x < size; ++x) {\n const i4 = (x + z * size + y * size * size) * 4;\n const j4 = (x + y * size + z * size * size) * 4;\n data[j4 + 0] = src[i4 + 0];\n data[j4 + 1] = src[i4 + 1];\n data[j4 + 2] = src[i4 + 2];\n data[j4 + 3] = src[i4 + 3];\n }\n }\n }\n } else {\n data = new Uint8Array(src.buffer);\n }\n } else {\n data = image.data.slice();\n }\n const lut = new _LookupTexture(data, size);\n lut.type = texture.type;\n lut.name = texture.name;\n texture.colorSpace = lut.colorSpace;\n return lut;\n }\n /**\n * Creates a neutral 3D LUT.\n *\n * @param {Number} size - The sidelength.\n * @return {LookupTexture} A neutral 3D LUT.\n */\n static createNeutral(size) {\n const data = new Float32Array(size ** 3 * 4);\n const sizeSq = size ** 2;\n const s = 1 / (size - 1);\n for (let r = 0; r < size; ++r) {\n for (let g = 0; g < size; ++g) {\n for (let b = 0; b < size; ++b) {\n const i4 = (r + g * size + b * sizeSq) * 4;\n data[i4 + 0] = r * s;\n data[i4 + 1] = g * s;\n data[i4 + 2] = b * s;\n data[i4 + 3] = 1;\n }\n }\n }\n const lut = new _LookupTexture(data, size);\n lut.name = \"neutral\";\n return lut;\n }\n};\n\n// src/effects/glsl/lut-3d.frag\nvar lut_3d_default = \"uniform vec3 scale;uniform vec3 offset;\\n#ifdef CUSTOM_INPUT_DOMAIN\\nuniform vec3 domainMin;uniform vec3 domainMax;\\n#endif\\n#ifdef LUT_3D\\n#ifdef LUT_PRECISION_HIGH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler3D lut;\\n#else\\nuniform mediump sampler3D lut;\\n#endif\\n#else\\nuniform lowp sampler3D lut;\\n#endif\\nvec4 applyLUT(const in vec3 rgb){\\n#ifdef TETRAHEDRAL_INTERPOLATION\\nvec3 p=floor(rgb);vec3 f=rgb-p;vec3 v1=(p+0.5)*LUT_TEXEL_WIDTH;vec3 v4=(p+1.5)*LUT_TEXEL_WIDTH;vec3 v2,v3;vec3 frac;if(f.r>=f.g){if(f.g>f.b){frac=f.rgb;v2=vec3(v4.x,v1.y,v1.z);v3=vec3(v4.x,v4.y,v1.z);}else if(f.r>=f.b){frac=f.rbg;v2=vec3(v4.x,v1.y,v1.z);v3=vec3(v4.x,v1.y,v4.z);}else{frac=f.brg;v2=vec3(v1.x,v1.y,v4.z);v3=vec3(v4.x,v1.y,v4.z);}}else{if(f.b>f.g){frac=f.bgr;v2=vec3(v1.x,v1.y,v4.z);v3=vec3(v1.x,v4.y,v4.z);}else if(f.r>=f.b){frac=f.grb;v2=vec3(v1.x,v4.y,v1.z);v3=vec3(v4.x,v4.y,v1.z);}else{frac=f.gbr;v2=vec3(v1.x,v4.y,v1.z);v3=vec3(v1.x,v4.y,v4.z);}}vec4 n1=texture(lut,v1);vec4 n2=texture(lut,v2);vec4 n3=texture(lut,v3);vec4 n4=texture(lut,v4);vec4 weights=vec4(1.0-frac.x,frac.x-frac.y,frac.y-frac.z,frac.z);vec4 result=weights*mat4(vec4(n1.r,n2.r,n3.r,n4.r),vec4(n1.g,n2.g,n3.g,n4.g),vec4(n1.b,n2.b,n3.b,n4.b),vec4(1.0));return vec4(result.rgb,1.0);\\n#else\\nreturn texture(lut,rgb);\\n#endif\\n}\\n#else\\n#ifdef LUT_PRECISION_HIGH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D lut;\\n#else\\nuniform mediump sampler2D lut;\\n#endif\\n#else\\nuniform lowp sampler2D lut;\\n#endif\\nvec4 applyLUT(const in vec3 rgb){float slice=rgb.b*LUT_SIZE;float slice0=floor(slice);float interp=slice-slice0;float centeredInterp=interp-0.5;float slice1=slice0+sign(centeredInterp);\\n#ifdef LUT_STRIP_HORIZONTAL\\nfloat xOffset=clamp(rgb.r*LUT_TEXEL_HEIGHT,LUT_TEXEL_WIDTH*0.5,LUT_TEXEL_HEIGHT-LUT_TEXEL_WIDTH*0.5);vec2 uv0=vec2(slice0*LUT_TEXEL_HEIGHT+xOffset,rgb.g);vec2 uv1=vec2(slice1*LUT_TEXEL_HEIGHT+xOffset,rgb.g);\\n#else\\nfloat yOffset=clamp(rgb.g*LUT_TEXEL_WIDTH,LUT_TEXEL_HEIGHT*0.5,LUT_TEXEL_WIDTH-LUT_TEXEL_HEIGHT*0.5);vec2 uv0=vec2(rgb.r,slice0*LUT_TEXEL_WIDTH+yOffset);vec2 uv1=vec2(rgb.r,slice1*LUT_TEXEL_WIDTH+yOffset);\\n#endif\\nvec4 sample0=texture2D(lut,uv0);vec4 sample1=texture2D(lut,uv1);return mix(sample0,sample1,abs(centeredInterp));}\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 c=inputColor.rgb;\\n#ifdef CUSTOM_INPUT_DOMAIN\\nif(c.r>=domainMin.r&&c.g>=domainMin.g&&c.b>=domainMin.b&&c.r<=domainMax.r&&c.g<=domainMax.g&&c.b<=domainMax.b){c=applyLUT(scale*c+offset).rgb;}else{c=inputColor.rgb;}\\n#else\\n#if !defined(LUT_3D) || defined(TETRAHEDRAL_INTERPOLATION)\\nc=clamp(c,0.0,1.0);\\n#endif\\nc=applyLUT(scale*c+offset).rgb;\\n#endif\\noutputColor=vec4(c,inputColor.a);}\";\n\n// src/effects/LUT3DEffect.js\nvar LUT3DEffect = class extends Effect {\n /**\n * Constructs a new color grading effect.\n *\n * @param {Texture} lut - The lookup texture.\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SRC] - The blend function of this effect.\n * @param {Boolean} [options.tetrahedralInterpolation=false] - Enables or disables tetrahedral interpolation.\n * @param {ColorSpace} [options.inputColorSpace=SRGBColorSpace] - The input color space.\n */\n constructor(lut, {\n blendFunction = BlendFunction.SRC,\n tetrahedralInterpolation = false,\n inputColorSpace = SRGBColorSpace10\n } = {}) {\n super(\"LUT3DEffect\", lut_3d_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"lut\", new Uniform26(null)],\n [\"scale\", new Uniform26(new Vector34())],\n [\"offset\", new Uniform26(new Vector34())],\n [\"domainMin\", new Uniform26(null)],\n [\"domainMax\", new Uniform26(null)]\n ])\n });\n this.tetrahedralInterpolation = tetrahedralInterpolation;\n this.inputColorSpace = inputColorSpace;\n this.lut = lut;\n }\n /**\n * The LUT.\n *\n * @type {Texture}\n */\n get lut() {\n return this.uniforms.get(\"lut\").value;\n }\n set lut(value) {\n const defines = this.defines;\n const uniforms = this.uniforms;\n if (this.lut !== value) {\n uniforms.get(\"lut\").value = value;\n if (value !== null) {\n const image = value.image;\n const tetrahedralInterpolation = this.tetrahedralInterpolation;\n defines.clear();\n defines.set(\"LUT_SIZE\", Math.min(image.width, image.height).toFixed(16));\n defines.set(\"LUT_TEXEL_WIDTH\", (1 / image.width).toFixed(16));\n defines.set(\"LUT_TEXEL_HEIGHT\", (1 / image.height).toFixed(16));\n uniforms.get(\"domainMin\").value = null;\n uniforms.get(\"domainMax\").value = null;\n if (value.type === FloatType3 || value.type === HalfFloatType2) {\n defines.set(\"LUT_PRECISION_HIGH\", \"1\");\n }\n if (image.width > image.height) {\n defines.set(\"LUT_STRIP_HORIZONTAL\", \"1\");\n } else if (value instanceof Data3DTexture2) {\n defines.set(\"LUT_3D\", \"1\");\n }\n if (value instanceof LookupTexture) {\n const min = value.domainMin;\n const max = value.domainMax;\n if (min.x !== 0 || min.y !== 0 || min.z !== 0 || max.x !== 1 || max.y !== 1 || max.z !== 1) {\n defines.set(\"CUSTOM_INPUT_DOMAIN\", \"1\");\n uniforms.get(\"domainMin\").value = min.clone();\n uniforms.get(\"domainMax\").value = max.clone();\n }\n }\n this.tetrahedralInterpolation = tetrahedralInterpolation;\n }\n }\n }\n /**\n * Returns the current LUT.\n *\n * @deprecated Use lut instead.\n * @return {Texture} The LUT.\n */\n getLUT() {\n return this.lut;\n }\n /**\n * Sets the LUT.\n *\n * @deprecated Use lut instead.\n * @param {Texture} value - The LUT.\n */\n setLUT(value) {\n this.lut = value;\n }\n /**\n * Updates the scale and offset for the LUT sampling coordinates.\n *\n * @private\n */\n updateScaleOffset() {\n const lut = this.lut;\n if (lut !== null) {\n const size = Math.min(lut.image.width, lut.image.height);\n const scale = this.uniforms.get(\"scale\").value;\n const offset = this.uniforms.get(\"offset\").value;\n if (this.tetrahedralInterpolation && lut instanceof Data3DTexture2) {\n if (this.defines.has(\"CUSTOM_INPUT_DOMAIN\")) {\n const domainScale = lut.domainMax.clone().sub(lut.domainMin);\n scale.setScalar(size - 1).divide(domainScale);\n offset.copy(lut.domainMin).negate().multiply(scale);\n } else {\n scale.setScalar(size - 1);\n offset.setScalar(0);\n }\n } else {\n if (this.defines.has(\"CUSTOM_INPUT_DOMAIN\")) {\n const domainScale = lut.domainMax.clone().sub(lut.domainMin).multiplyScalar(size);\n scale.setScalar(size - 1).divide(domainScale);\n offset.copy(lut.domainMin).negate().multiply(scale).addScalar(1 / (2 * size));\n } else {\n scale.setScalar((size - 1) / size);\n offset.setScalar(1 / (2 * size));\n }\n }\n }\n }\n /**\n * Configures parameters for tetrahedral interpolation.\n *\n * @private\n */\n configureTetrahedralInterpolation() {\n const lut = this.lut;\n if (lut !== null) {\n lut.minFilter = LinearFilter4;\n lut.magFilter = LinearFilter4;\n if (this.tetrahedralInterpolation) {\n if (lut instanceof Data3DTexture2) {\n lut.minFilter = NearestFilter2;\n lut.magFilter = NearestFilter2;\n } else {\n console.warn(\"Tetrahedral interpolation requires a 3D texture\");\n }\n }\n lut.needsUpdate = true;\n }\n }\n /**\n * Indicates whether tetrahedral interpolation is enabled. Requires a 3D LUT, disabled by default.\n *\n * Tetrahedral interpolation produces highly accurate results but is slower than hardware interpolation.\n *\n * @type {Boolean}\n */\n get tetrahedralInterpolation() {\n return this.defines.has(\"TETRAHEDRAL_INTERPOLATION\");\n }\n set tetrahedralInterpolation(value) {\n if (value) {\n this.defines.set(\"TETRAHEDRAL_INTERPOLATION\", \"1\");\n } else {\n this.defines.delete(\"TETRAHEDRAL_INTERPOLATION\");\n }\n this.configureTetrahedralInterpolation();\n this.updateScaleOffset();\n this.setChanged();\n }\n /**\n * Enables or disables tetrahedral interpolation.\n *\n * @deprecated Use tetrahedralInterpolation instead.\n * @param {Boolean} value - Whether tetrahedral interpolation should be enabled.\n */\n setTetrahedralInterpolationEnabled(value) {\n this.tetrahedralInterpolation = value;\n }\n};\n\n// src/enums/DepthCopyMode.js\nvar DepthCopyMode = {\n FULL: 0,\n SINGLE: 1\n};\n\n// src/enums/EdgeDetectionMode.js\nvar EdgeDetectionMode = {\n DEPTH: 0,\n LUMA: 1,\n COLOR: 2\n};\n\n// src/enums/PredicationMode.js\nvar PredicationMode = {\n DISABLED: 0,\n DEPTH: 1,\n CUSTOM: 2\n};\n\n// src/enums/SMAAPreset.js\nvar SMAAPreset = {\n LOW: 0,\n MEDIUM: 1,\n HIGH: 2,\n ULTRA: 3\n};\n\n// src/enums/ToneMappingMode.js\nvar ToneMappingMode = {\n LINEAR: 0,\n REINHARD: 1,\n REINHARD2: 2,\n REINHARD2_ADAPTIVE: 3,\n UNCHARTED2: 4,\n OPTIMIZED_CINEON: 5,\n CINEON: 5,\n ACES_FILMIC: 6,\n AGX: 7,\n NEUTRAL: 8\n};\n\n// src/enums/VignetteTechnique.js\nvar VignetteTechnique = {\n DEFAULT: 0,\n ESKIL: 1\n};\n\n// src/enums/WebGLExtension.js\nvar WebGLExtension = {\n DERIVATIVES: \"derivatives\",\n FRAG_DEPTH: \"fragDepth\",\n DRAW_BUFFERS: \"drawBuffers\",\n SHADER_TEXTURE_LOD: \"shaderTextureLOD\"\n};\n\n// src/effects/glsl/noise.frag\nvar noise_default = \"void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 noise=vec3(rand(uv*(1.0+time)));\\n#ifdef PREMULTIPLY\\noutputColor=vec4(min(inputColor.rgb*noise,vec3(1.0)),inputColor.a);\\n#else\\noutputColor=vec4(noise,inputColor.a);\\n#endif\\n}\";\n\n// src/effects/NoiseEffect.js\nvar NoiseEffect = class extends Effect {\n /**\n * Constructs a new noise effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SCREEN] - The blend function of this effect.\n * @param {Boolean} [options.premultiply=false] - Whether the noise should be multiplied with the input colors prior to blending.\n */\n constructor({ blendFunction = BlendFunction.SCREEN, premultiply = false } = {}) {\n super(\"NoiseEffect\", noise_default, { blendFunction });\n this.premultiply = premultiply;\n }\n /**\n * Indicates whether noise will be multiplied with the input colors prior to blending.\n *\n * @type {Boolean}\n */\n get premultiply() {\n return this.defines.has(\"PREMULTIPLY\");\n }\n set premultiply(value) {\n if (this.premultiply !== value) {\n if (value) {\n this.defines.set(\"PREMULTIPLY\", \"1\");\n } else {\n this.defines.delete(\"PREMULTIPLY\");\n }\n this.setChanged();\n }\n }\n /**\n * Indicates whether noise will be multiplied with the input colors prior to blending.\n *\n * @deprecated Use premultiply instead.\n * @return {Boolean} Whether noise is premultiplied.\n */\n isPremultiplied() {\n return this.premultiply;\n }\n /**\n * Controls whether noise should be multiplied with the input colors prior to blending.\n *\n * @deprecated Use premultiply instead.\n * @param {Boolean} value - Whether noise should be premultiplied.\n */\n setPremultiplied(value) {\n this.premultiply = value;\n }\n};\n\n// src/effects/OutlineEffect.js\nimport { Color as Color5, RepeatWrapping as RepeatWrapping2, Uniform as Uniform29, UnsignedByteType as UnsignedByteType11, WebGLRenderTarget as WebGLRenderTarget12 } from \"three\";\n\n// src/materials/DepthComparisonMaterial.js\nimport { NoBlending as NoBlending11, PerspectiveCamera as PerspectiveCamera3, RGBADepthPacking, ShaderMaterial as ShaderMaterial12, Uniform as Uniform27 } from \"three\";\n\n// src/materials/glsl/depth-comparison.frag\nvar depth_comparison_default = \"#include \\n#include \\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nuniform float cameraNear;uniform float cameraFar;centroid varying float vViewZ;centroid varying vec4 vProjTexCoord;void main(){\\n#include \\nvec2 projTexCoord=(vProjTexCoord.xy/vProjTexCoord.w)*0.5+0.5;projTexCoord=clamp(projTexCoord,0.002,0.998);\\n#if DEPTH_PACKING == 3201\\nfloat fragCoordZ=unpackRGBAToDepth(texture2D(depthBuffer,projTexCoord));\\n#else\\nfloat fragCoordZ=texture2D(depthBuffer,projTexCoord).r;\\n#endif\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(fragCoordZ,cameraNear,cameraFar);\\n#else\\nfloat viewZ=orthographicDepthToViewZ(fragCoordZ,cameraNear,cameraFar);\\n#endif\\nfloat depthTest=(-vViewZ>-viewZ)?1.0:0.0;gl_FragColor.rg=vec2(0.0,depthTest);}\";\n\n// src/materials/glsl/depth-comparison.vert\nvar depth_comparison_default2 = \"#include \\n#include \\n#include \\n#include \\nvarying float vViewZ;varying vec4 vProjTexCoord;void main(){\\n#include \\n#include \\n#include \\n#include \\n#include \\nvViewZ=mvPosition.z;vProjTexCoord=gl_Position;\\n#include \\n}\";\n\n// src/materials/DepthComparisonMaterial.js\nvar DepthComparisonMaterial = class extends ShaderMaterial12 {\n /**\n * Constructs a new depth comparison material.\n *\n * @param {Texture} [depthTexture=null] - A depth texture.\n * @param {PerspectiveCamera} [camera] - A camera.\n */\n constructor(depthTexture = null, camera) {\n super({\n name: \"DepthComparisonMaterial\",\n defines: {\n DEPTH_PACKING: \"0\"\n },\n uniforms: {\n depthBuffer: new Uniform27(null),\n cameraNear: new Uniform27(0.3),\n cameraFar: new Uniform27(1e3)\n },\n blending: NoBlending11,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: depth_comparison_default,\n vertexShader: depth_comparison_default2\n });\n this.depthBuffer = depthTexture;\n this.depthPacking = RGBADepthPacking;\n this.copyCameraSettings(camera);\n }\n /**\n * The depth buffer.\n *\n * @type {Texture}\n */\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n /**\n * The depth packing strategy.\n *\n * @type {DepthPackingStrategies}\n */\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the depth buffer.\n *\n * @deprecated Use depthBuffer and depthPacking instead.\n * @param {Texture} buffer - The depth texture.\n * @param {DepthPackingStrategies} [depthPacking=RGBADepthPacking] - The depth packing strategy.\n */\n setDepthBuffer(buffer, depthPacking = RGBADepthPacking) {\n this.depthBuffer = buffer;\n this.depthPacking = depthPacking;\n }\n /**\n * Copies the settings of the given camera.\n *\n * @deprecated Use copyCameraSettings instead.\n * @param {Camera} camera - A camera.\n */\n adoptCameraSettings(camera) {\n this.copyCameraSettings(camera);\n }\n /**\n * Copies the settings of the given camera.\n *\n * @param {Camera} camera - A camera.\n */\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNear.value = camera.near;\n this.uniforms.cameraFar.value = camera.far;\n if (camera instanceof PerspectiveCamera3) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n};\n\n// src/materials/OutlineMaterial.js\nimport { NoBlending as NoBlending12, ShaderMaterial as ShaderMaterial13, Uniform as Uniform28, Vector2 as Vector214 } from \"three\";\n\n// src/materials/glsl/outline.frag\nvar outline_default = \"uniform lowp sampler2D inputBuffer;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 c0=texture2D(inputBuffer,vUv0).rg;vec2 c1=texture2D(inputBuffer,vUv1).rg;vec2 c2=texture2D(inputBuffer,vUv2).rg;vec2 c3=texture2D(inputBuffer,vUv3).rg;float d0=(c0.x-c1.x)*0.5;float d1=(c2.x-c3.x)*0.5;float d=length(vec2(d0,d1));float a0=min(c0.y,c1.y);float a1=min(c2.y,c3.y);float visibilityFactor=min(a0,a1);gl_FragColor.rg=(1.0-visibilityFactor>0.001)?vec2(d,0.0):vec2(0.0,d);}\";\n\n// src/materials/glsl/outline.vert\nvar outline_default2 = \"uniform vec2 texelSize;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 uv=position.xy*0.5+0.5;vUv0=vec2(uv.x+texelSize.x,uv.y);vUv1=vec2(uv.x-texelSize.x,uv.y);vUv2=vec2(uv.x,uv.y+texelSize.y);vUv3=vec2(uv.x,uv.y-texelSize.y);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/OutlineMaterial.js\nvar OutlineMaterial = class extends ShaderMaterial13 {\n /**\n * Constructs a new outline material.\n *\n * TODO Remove texelSize param.\n * @param {Vector2} [texelSize] - The screen texel size.\n */\n constructor(texelSize = new Vector214()) {\n super({\n name: \"OutlineMaterial\",\n uniforms: {\n inputBuffer: new Uniform28(null),\n texelSize: new Uniform28(new Vector214())\n },\n blending: NoBlending12,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: outline_default,\n vertexShader: outline_default2\n });\n this.uniforms.texelSize.value.set(texelSize.x, texelSize.y);\n this.uniforms.maskTexture = this.uniforms.inputBuffer;\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the input buffer.\n *\n * @deprecated Use inputBuffer instead.\n * @param {Texture} value - The input buffer.\n */\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the texel size.\n *\n * @deprecated Use setSize() instead.\n * @param {Number} x - The texel width.\n * @param {Number} y - The texel height.\n */\n setTexelSize(x, y) {\n this.uniforms.texelSize.value.set(x, y);\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/passes/DepthPass.js\nimport { Color as Color4, MeshDepthMaterial, NearestFilter as NearestFilter3, RGBADepthPacking as RGBADepthPacking2, WebGLRenderTarget as WebGLRenderTarget11 } from \"three\";\nvar DepthPass = class extends Pass {\n /**\n * Constructs a new depth pass.\n *\n * @param {Scene} scene - The scene to render.\n * @param {Camera} camera - The camera to use to render the scene.\n * @param {Object} [options] - The options.\n * @param {WebGLRenderTarget} [options.renderTarget] - A custom render target.\n * @param {Number} [options.resolutionScale=1.0] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n * @param {Number} [options.width=Resolution.AUTO_SIZE] - Deprecated. Use resolutionX instead.\n * @param {Number} [options.height=Resolution.AUTO_SIZE] - Deprecated. Use resolutionY instead.\n */\n constructor(scene, camera, {\n renderTarget,\n resolutionScale = 1,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"DepthPass\");\n this.needsSwap = false;\n this.renderPass = new RenderPass(scene, camera, new MeshDepthMaterial({\n depthPacking: RGBADepthPacking2\n }));\n const renderPass = this.renderPass;\n renderPass.skipShadowMapUpdate = true;\n renderPass.ignoreBackground = true;\n const clearPass = renderPass.clearPass;\n clearPass.overrideClearColor = new Color4(16777215);\n clearPass.overrideClearAlpha = 1;\n this.renderTarget = renderTarget;\n if (this.renderTarget === void 0) {\n this.renderTarget = new WebGLRenderTarget11(1, 1, {\n minFilter: NearestFilter3,\n magFilter: NearestFilter3\n });\n this.renderTarget.texture.name = \"DepthPass.Target\";\n }\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n set mainScene(value) {\n this.renderPass.mainScene = value;\n }\n set mainCamera(value) {\n this.renderPass.mainCamera = value;\n }\n /**\n * The depth texture.\n *\n * @type {Texture}\n */\n get texture() {\n return this.renderTarget.texture;\n }\n /**\n * Returns the depth texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.renderTarget.texture;\n }\n /**\n * Returns the resolution settings.\n *\n * @deprecated Use resolution instead.\n * @return {Resolution} The resolution.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * Returns the current resolution scale.\n *\n * @return {Number} The resolution scale.\n * @deprecated Use resolution instead.\n */\n getResolutionScale() {\n return this.resolution.scale;\n }\n /**\n * Sets the resolution scale.\n *\n * @param {Number} scale - The new resolution scale.\n * @deprecated Use resolution instead.\n */\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n /**\n * Renders the scene depth.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const renderTarget = this.renderToScreen ? null : this.renderTarget;\n this.renderPass.render(renderer, renderTarget);\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n }\n};\n\n// src/effects/glsl/outline.frag\nvar outline_default3 = \"uniform lowp sampler2D edgeTexture;uniform lowp sampler2D maskTexture;uniform vec3 visibleEdgeColor;uniform vec3 hiddenEdgeColor;uniform float pulse;uniform float edgeStrength;\\n#ifdef USE_PATTERN\\nuniform lowp sampler2D patternTexture;varying vec2 vUvPattern;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec2 edge=texture2D(edgeTexture,uv).rg;vec2 mask=texture2D(maskTexture,uv).rg;\\n#ifndef X_RAY\\nedge.y=0.0;\\n#endif\\nedge*=(edgeStrength*mask.x*pulse);vec3 color=edge.x*visibleEdgeColor+edge.y*hiddenEdgeColor;float visibilityFactor=0.0;\\n#ifdef USE_PATTERN\\nvec4 patternColor=texture2D(patternTexture,vUvPattern);\\n#ifdef X_RAY\\nfloat hiddenFactor=0.5;\\n#else\\nfloat hiddenFactor=0.0;\\n#endif\\nvisibilityFactor=(1.0-mask.y>0.0)?1.0:hiddenFactor;visibilityFactor*=(1.0-mask.x)*patternColor.a;color+=visibilityFactor*patternColor.rgb;\\n#endif\\nfloat alpha=max(max(edge.x,edge.y),visibilityFactor);\\n#ifdef ALPHA\\noutputColor=vec4(color,alpha);\\n#else\\noutputColor=vec4(color,max(alpha,inputColor.a));\\n#endif\\n}\";\n\n// src/effects/glsl/outline.vert\nvar outline_default4 = \"uniform float patternScale;varying vec2 vUvPattern;void mainSupport(const in vec2 uv){vUvPattern=uv*vec2(aspect,1.0)*patternScale;}\";\n\n// src/effects/OutlineEffect.js\nvar OutlineEffect = class extends Effect {\n /**\n * Constructs a new outline effect.\n *\n * @param {Scene} scene - The main scene.\n * @param {Camera} camera - The main camera.\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SCREEN] - The blend function. Use `BlendFunction.ALPHA` for dark outlines.\n * @param {Texture} [options.patternTexture=null] - A pattern texture.\n * @param {Number} [options.patternScale=1.0] - The pattern scale.\n * @param {Number} [options.edgeStrength=1.0] - The edge strength.\n * @param {Number} [options.pulseSpeed=0.0] - The pulse speed. A value of zero disables the pulse effect.\n * @param {Number} [options.visibleEdgeColor=0xffffff] - The color of visible edges.\n * @param {Number} [options.hiddenEdgeColor=0x22090a] - The color of hidden edges.\n * @param {KernelSize} [options.kernelSize=KernelSize.VERY_SMALL] - The blur kernel size.\n * @param {Boolean} [options.blur=false] - Whether the outline should be blurred.\n * @param {Boolean} [options.xRay=true] - Whether occluded parts of selected objects should be visible.\n * @param {Number} [options.multisampling=0] - The number of samples used for multisample antialiasing. Requires WebGL 2.\n * @param {Number} [options.resolutionScale=0.5] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n * @param {Number} [options.width=Resolution.AUTO_SIZE] - Deprecated. Use resolutionX instead.\n * @param {Number} [options.height=Resolution.AUTO_SIZE] - Deprecated. Use resolutionY instead.\n */\n constructor(scene, camera, {\n blendFunction = BlendFunction.SCREEN,\n patternTexture = null,\n patternScale = 1,\n edgeStrength = 1,\n pulseSpeed = 0,\n visibleEdgeColor = 16777215,\n hiddenEdgeColor = 2230538,\n kernelSize = KernelSize.VERY_SMALL,\n blur = false,\n xRay = true,\n multisampling = 0,\n resolutionScale = 0.5,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"OutlineEffect\", outline_default3, {\n uniforms: /* @__PURE__ */ new Map([\n [\"maskTexture\", new Uniform29(null)],\n [\"edgeTexture\", new Uniform29(null)],\n [\"edgeStrength\", new Uniform29(edgeStrength)],\n [\"visibleEdgeColor\", new Uniform29(new Color5(visibleEdgeColor))],\n [\"hiddenEdgeColor\", new Uniform29(new Color5(hiddenEdgeColor))],\n [\"pulse\", new Uniform29(1)],\n [\"patternScale\", new Uniform29(patternScale)],\n [\"patternTexture\", new Uniform29(null)]\n ])\n });\n this.blendMode.addEventListener(\"change\", (event) => {\n if (this.blendMode.blendFunction === BlendFunction.ALPHA) {\n this.defines.set(\"ALPHA\", \"1\");\n } else {\n this.defines.delete(\"ALPHA\");\n }\n this.setChanged();\n });\n this.blendMode.blendFunction = blendFunction;\n this.patternTexture = patternTexture;\n this.xRay = xRay;\n this.scene = scene;\n this.camera = camera;\n this.renderTargetMask = new WebGLRenderTarget12(1, 1);\n this.renderTargetMask.samples = multisampling;\n this.renderTargetMask.texture.name = \"Outline.Mask\";\n this.uniforms.get(\"maskTexture\").value = this.renderTargetMask.texture;\n this.renderTargetOutline = new WebGLRenderTarget12(1, 1, { depthBuffer: false });\n this.renderTargetOutline.texture.name = \"Outline.Edges\";\n this.uniforms.get(\"edgeTexture\").value = this.renderTargetOutline.texture;\n this.clearPass = new ClearPass();\n this.clearPass.overrideClearColor = new Color5(0);\n this.clearPass.overrideClearAlpha = 1;\n this.depthPass = new DepthPass(scene, camera);\n this.maskPass = new RenderPass(scene, camera, new DepthComparisonMaterial(this.depthPass.texture, camera));\n const clearPass = this.maskPass.clearPass;\n clearPass.overrideClearColor = new Color5(16777215);\n clearPass.overrideClearAlpha = 1;\n this.blurPass = new KawaseBlurPass({ resolutionScale, resolutionX, resolutionY, kernelSize });\n this.blurPass.enabled = blur;\n const resolution = this.blurPass.resolution;\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.outlinePass = new ShaderPass(new OutlineMaterial());\n const outlineMaterial = this.outlinePass.fullscreenMaterial;\n outlineMaterial.inputBuffer = this.renderTargetMask.texture;\n this.time = 0;\n this.forceUpdate = true;\n this.selection = new Selection();\n this.pulseSpeed = pulseSpeed;\n }\n set mainScene(value) {\n this.scene = value;\n this.depthPass.mainScene = value;\n this.maskPass.mainScene = value;\n }\n set mainCamera(value) {\n this.camera = value;\n this.depthPass.mainCamera = value;\n this.maskPass.mainCamera = value;\n this.maskPass.overrideMaterial.copyCameraSettings(value);\n }\n /**\n * The resolution of this effect.\n *\n * @type {Resolution}\n */\n get resolution() {\n return this.blurPass.resolution;\n }\n /**\n * Returns the resolution.\n *\n * @return {Resizer} The resolution.\n */\n getResolution() {\n return this.blurPass.getResolution();\n }\n /**\n * The amount of MSAA samples.\n *\n * Requires WebGL 2. Set to zero to disable multisampling.\n *\n * @experimental Requires three >= r138.\n * @type {Number}\n */\n get multisampling() {\n return this.renderTargetMask.samples;\n }\n set multisampling(value) {\n this.renderTargetMask.samples = value;\n this.renderTargetMask.dispose();\n }\n /**\n * The pattern scale.\n *\n * @type {Number}\n */\n get patternScale() {\n return this.uniforms.get(\"patternScale\").value;\n }\n set patternScale(value) {\n this.uniforms.get(\"patternScale\").value = value;\n }\n /**\n * The edge strength.\n *\n * @type {Number}\n */\n get edgeStrength() {\n return this.uniforms.get(\"edgeStrength\").value;\n }\n set edgeStrength(value) {\n this.uniforms.get(\"edgeStrength\").value = value;\n }\n /**\n * The visible edge color.\n *\n * @type {Color}\n */\n get visibleEdgeColor() {\n return this.uniforms.get(\"visibleEdgeColor\").value;\n }\n set visibleEdgeColor(value) {\n this.uniforms.get(\"visibleEdgeColor\").value = value;\n }\n /**\n * The hidden edge color.\n *\n * @type {Color}\n */\n get hiddenEdgeColor() {\n return this.uniforms.get(\"hiddenEdgeColor\").value;\n }\n set hiddenEdgeColor(value) {\n this.uniforms.get(\"hiddenEdgeColor\").value = value;\n }\n /**\n * Returns the blur pass.\n *\n * @deprecated Use blurPass instead.\n * @return {KawaseBlurPass} The blur pass.\n */\n getBlurPass() {\n return this.blurPass;\n }\n /**\n * Returns the selection.\n *\n * @deprecated Use selection instead.\n * @return {Selection} The selection.\n */\n getSelection() {\n return this.selection;\n }\n /**\n * Returns the pulse speed.\n *\n * @deprecated Use pulseSpeed instead.\n * @return {Number} The speed.\n */\n getPulseSpeed() {\n return this.pulseSpeed;\n }\n /**\n * Sets the pulse speed. Set to zero to disable.\n *\n * @deprecated Use pulseSpeed instead.\n * @param {Number} value - The speed.\n */\n setPulseSpeed(value) {\n this.pulseSpeed = value;\n }\n /**\n * The current width of the internal render targets.\n *\n * @type {Number}\n * @deprecated Use resolution.width instead.\n */\n get width() {\n return this.resolution.width;\n }\n set width(value) {\n this.resolution.preferredWidth = value;\n }\n /**\n * The current height of the internal render targets.\n *\n * @type {Number}\n * @deprecated Use resolution.height instead.\n */\n get height() {\n return this.resolution.height;\n }\n set height(value) {\n this.resolution.preferredHeight = value;\n }\n /**\n * The selection layer.\n *\n * @type {Number}\n * @deprecated Use selection.layer instead.\n */\n get selectionLayer() {\n return this.selection.layer;\n }\n set selectionLayer(value) {\n this.selection.layer = value;\n }\n /**\n * Indicates whether dithering is enabled.\n *\n * @type {Boolean}\n * @deprecated\n */\n get dithering() {\n return this.blurPass.dithering;\n }\n set dithering(value) {\n this.blurPass.dithering = value;\n }\n /**\n * The blur kernel size.\n *\n * @type {KernelSize}\n * @deprecated Use blurPass.kernelSize instead.\n */\n get kernelSize() {\n return this.blurPass.kernelSize;\n }\n set kernelSize(value) {\n this.blurPass.kernelSize = value;\n }\n /**\n * Indicates whether the outlines should be blurred.\n *\n * @type {Boolean}\n * @deprecated Use blurPass.enabled instead.\n */\n get blur() {\n return this.blurPass.enabled;\n }\n set blur(value) {\n this.blurPass.enabled = value;\n }\n /**\n * Indicates whether X-ray mode is enabled.\n *\n * @type {Boolean}\n */\n get xRay() {\n return this.defines.has(\"X_RAY\");\n }\n set xRay(value) {\n if (this.xRay !== value) {\n if (value) {\n this.defines.set(\"X_RAY\", \"1\");\n } else {\n this.defines.delete(\"X_RAY\");\n }\n this.setChanged();\n }\n }\n /**\n * Indicates whether X-ray mode is enabled.\n *\n * @deprecated Use xRay instead.\n * @return {Boolean} Whether X-ray mode is enabled.\n */\n isXRayEnabled() {\n return this.xRay;\n }\n /**\n * Enables or disables X-ray outlines.\n *\n * @deprecated Use xRay instead.\n * @param {Boolean} value - Whether X-ray should be enabled.\n */\n setXRayEnabled(value) {\n this.xRay = value;\n }\n /**\n * The pattern texture. Set to `null` to disable.\n *\n * @type {Texture}\n */\n get patternTexture() {\n return this.uniforms.get(\"patternTexture\").value;\n }\n set patternTexture(value) {\n if (value !== null) {\n value.wrapS = value.wrapT = RepeatWrapping2;\n this.defines.set(\"USE_PATTERN\", \"1\");\n this.setVertexShader(outline_default4);\n } else {\n this.defines.delete(\"USE_PATTERN\");\n this.setVertexShader(null);\n }\n this.uniforms.get(\"patternTexture\").value = value;\n this.setChanged();\n }\n /**\n * Sets the pattern texture.\n *\n * @deprecated Use patternTexture instead.\n * @param {Texture} value - The new texture.\n */\n setPatternTexture(value) {\n this.patternTexture = value;\n }\n /**\n * Returns the current resolution scale.\n *\n * @return {Number} The resolution scale.\n * @deprecated Use resolution instead.\n */\n getResolutionScale() {\n return this.resolution.scale;\n }\n /**\n * Sets the resolution scale.\n *\n * @param {Number} scale - The new resolution scale.\n * @deprecated Use resolution instead.\n */\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n /**\n * Clears the current selection and selects a list of objects.\n *\n * @param {Object3D[]} objects - The objects that should be outlined. This array will be copied.\n * @return {OutlinePass} This pass.\n * @deprecated Use selection.set() instead.\n */\n setSelection(objects) {\n this.selection.set(objects);\n return this;\n }\n /**\n * Clears the list of selected objects.\n *\n * @return {OutlinePass} This pass.\n * @deprecated Use selection.clear() instead.\n */\n clearSelection() {\n this.selection.clear();\n return this;\n }\n /**\n * Selects an object.\n *\n * @param {Object3D} object - The object that should be outlined.\n * @return {OutlinePass} This pass.\n * @deprecated Use selection.add() instead.\n */\n selectObject(object) {\n this.selection.add(object);\n return this;\n }\n /**\n * Deselects an object.\n *\n * @param {Object3D} object - The object that should no longer be outlined.\n * @return {OutlinePass} This pass.\n * @deprecated Use selection.delete() instead.\n */\n deselectObject(object) {\n this.selection.delete(object);\n return this;\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n const scene = this.scene;\n const camera = this.camera;\n const selection = this.selection;\n const uniforms = this.uniforms;\n const pulse = uniforms.get(\"pulse\");\n const background = scene.background;\n const mask = camera.layers.mask;\n if (this.forceUpdate || selection.size > 0) {\n scene.background = null;\n pulse.value = 1;\n if (this.pulseSpeed > 0) {\n pulse.value = Math.cos(this.time * this.pulseSpeed * 10) * 0.375 + 0.625;\n }\n this.time += deltaTime;\n selection.setVisible(false);\n this.depthPass.render(renderer);\n selection.setVisible(true);\n camera.layers.set(selection.layer);\n this.maskPass.render(renderer, this.renderTargetMask);\n camera.layers.mask = mask;\n scene.background = background;\n this.outlinePass.render(renderer, null, this.renderTargetOutline);\n if (this.blurPass.enabled) {\n this.blurPass.render(renderer, this.renderTargetOutline, this.renderTargetOutline);\n }\n }\n this.forceUpdate = selection.size > 0;\n }\n /**\n * Updates the size of internal render targets.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.blurPass.setSize(width, height);\n this.renderTargetMask.setSize(width, height);\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.depthPass.setSize(w, h);\n this.renderTargetOutline.setSize(w, h);\n this.outlinePass.fullscreenMaterial.setSize(w, h);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n this.blurPass.initialize(renderer, alpha, UnsignedByteType11);\n if (frameBufferType !== void 0) {\n this.depthPass.initialize(renderer, alpha, frameBufferType);\n this.maskPass.initialize(renderer, alpha, frameBufferType);\n this.outlinePass.initialize(renderer, alpha, frameBufferType);\n }\n }\n};\n\n// src/effects/PixelationEffect.js\nimport { Uniform as Uniform30, Vector2 as Vector215, Vector4 as Vector42 } from \"three\";\n\n// src/effects/glsl/pixelation.frag\nvar pixelation_default = \"uniform bool active;uniform vec4 d;void mainUv(inout vec2 uv){if(active){uv=d.xy*(floor(uv*d.zw)+0.5);}}\";\n\n// src/effects/PixelationEffect.js\nvar PixelationEffect = class extends Effect {\n /**\n * Constructs a new pixelation effect.\n *\n * @param {Object} [granularity=30.0] - The pixel granularity.\n */\n constructor(granularity = 30) {\n super(\"PixelationEffect\", pixelation_default, {\n uniforms: /* @__PURE__ */ new Map([\n [\"active\", new Uniform30(false)],\n [\"d\", new Uniform30(new Vector42())]\n ])\n });\n this.resolution = new Vector215();\n this._granularity = 0;\n this.granularity = granularity;\n }\n /**\n * The pixel granularity.\n *\n * A higher value yields coarser visuals.\n *\n * @type {Number}\n */\n get granularity() {\n return this._granularity;\n }\n set granularity(value) {\n let d = Math.floor(value);\n if (d % 2 > 0) {\n d += 1;\n }\n this._granularity = d;\n this.uniforms.get(\"active\").value = d > 0;\n this.setSize(this.resolution.width, this.resolution.height);\n }\n /**\n * Returns the pixel granularity.\n *\n * @deprecated Use granularity instead.\n * @return {Number} The granularity.\n */\n getGranularity() {\n return this.granularity;\n }\n /**\n * Sets the pixel granularity.\n *\n * @deprecated Use granularity instead.\n * @param {Number} value - The new granularity.\n */\n setGranularity(value) {\n this.granularity = value;\n }\n /**\n * Updates the granularity.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.set(width, height);\n const d = this.granularity;\n const x = d / resolution.x;\n const y = d / resolution.y;\n this.uniforms.get(\"d\").value.set(x, y, 1 / x, 1 / y);\n }\n};\n\n// src/effects/RealisticBokehEffect.js\nimport { Uniform as Uniform31, Vector4 as Vector43 } from \"three\";\n\n// src/effects/glsl/realistic-bokeh.frag\nvar realistic_bokeh_default = \"uniform float focus;uniform float focalLength;uniform float fStop;uniform float maxBlur;uniform float luminanceThreshold;uniform float luminanceGain;uniform float bias;uniform float fringe;\\n#ifdef MANUAL_DOF\\nuniform vec4 dof;\\n#endif\\n#ifdef PENTAGON\\nfloat pentagon(const in vec2 coords){const vec4 HS0=vec4(1.0,0.0,0.0,1.0);const vec4 HS1=vec4(0.309016994,0.951056516,0.0,1.0);const vec4 HS2=vec4(-0.809016994,0.587785252,0.0,1.0);const vec4 HS3=vec4(-0.809016994,-0.587785252,0.0,1.0);const vec4 HS4=vec4(0.309016994,-0.951056516,0.0,1.0);const vec4 HS5=vec4(0.0,0.0,1.0,1.0);const vec4 ONE=vec4(1.0);const float P_FEATHER=0.4;const float N_FEATHER=-P_FEATHER;float inOrOut=-4.0;vec4 P=vec4(coords,vec2(RINGS_FLOAT-1.3));vec4 dist=vec4(dot(P,HS0),dot(P,HS1),dot(P,HS2),dot(P,HS3));dist=smoothstep(N_FEATHER,P_FEATHER,dist);inOrOut+=dot(dist,ONE);dist.x=dot(P,HS4);dist.y=HS5.w-abs(P.z);dist=smoothstep(N_FEATHER,P_FEATHER,dist);inOrOut+=dist.x;return clamp(inOrOut,0.0,1.0);}\\n#endif\\nvec3 processTexel(const in vec2 coords,const in float blur){vec2 scale=texelSize*fringe*blur;vec3 c=vec3(texture2D(inputBuffer,coords+vec2(0.0,1.0)*scale).r,texture2D(inputBuffer,coords+vec2(-0.866,-0.5)*scale).g,texture2D(inputBuffer,coords+vec2(0.866,-0.5)*scale).b);float luminance=linearToRelativeLuminance(c);float threshold=max((luminance-luminanceThreshold)*luminanceGain,0.0);return c+mix(vec3(0.0),c,threshold*blur);}float gather(const in float i,const in float j,const in float ringSamples,const in vec2 uv,const in vec2 blurFactor,const in float blur,inout vec3 color){float step=PI2/ringSamples;vec2 wh=vec2(cos(j*step)*i,sin(j*step)*i);\\n#ifdef PENTAGON\\nfloat p=pentagon(wh);\\n#else\\nfloat p=1.0;\\n#endif\\ncolor+=processTexel(wh*blurFactor+uv,blur)*mix(1.0,i/RINGS_FLOAT,bias)*p;return mix(1.0,i/RINGS_FLOAT,bias)*p;}void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(depth,cameraNear,cameraFar);float linearDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearDepth=depth;\\n#endif\\n#ifdef MANUAL_DOF\\nfloat focalPlane=linearDepth-focus;float farDoF=(focalPlane-dof.z)/dof.w;float nearDoF=(-focalPlane-dof.x)/dof.y;float blur=(focalPlane>0.0)?farDoF:nearDoF;\\n#else\\nconst float CIRCLE_OF_CONFUSION=0.03;float focalPlaneMM=focus*1000.0;float depthMM=linearDepth*1000.0;float focalPlane=(depthMM*focalLength)/(depthMM-focalLength);float farDoF=(focalPlaneMM*focalLength)/(focalPlaneMM-focalLength);float nearDoF=(focalPlaneMM-focalLength)/(focalPlaneMM*fStop*CIRCLE_OF_CONFUSION);float blur=abs(focalPlane-farDoF)*nearDoF;\\n#endif\\nconst int MAX_RING_SAMPLES=RINGS_INT*SAMPLES_INT;blur=clamp(blur,0.0,1.0);vec3 color=inputColor.rgb;if(blur>=0.05){vec2 blurFactor=blur*maxBlur*texelSize;float s=1.0;int ringSamples;for(int i=1;i<=RINGS_INT;i++){ringSamples=i*SAMPLES_INT;for(int j=0;j=ringSamples){break;}s+=gather(float(i),float(j),float(ringSamples),uv,blurFactor,blur,color);}}color/=s;}\\n#ifdef SHOW_FOCUS\\nfloat edge=0.002*linearDepth;float m=clamp(smoothstep(0.0,edge,blur),0.0,1.0);float e=clamp(smoothstep(1.0-edge,1.0,blur),0.0,1.0);color=mix(color,vec3(1.0,0.5,0.0),(1.0-m)*0.6);color=mix(color,vec3(0.0,0.5,1.0),((1.0-e)-(1.0-m))*0.2);\\n#endif\\noutputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/RealisticBokehEffect.js\nvar RealisticBokehEffect = class extends Effect {\n /**\n * Constructs a new bokeh effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction] - The blend function of this effect.\n * @param {Number} [options.focus=1.0] - The focus distance in world units.\n * @param {Number} [options.focalLength=24.0] - The focal length of the main camera.\n * @param {Number} [options.fStop=0.9] - The ratio of the lens focal length to the diameter of the entrance pupil (aperture).\n * @param {Number} [options.luminanceThreshold=0.5] - A luminance threshold.\n * @param {Number} [options.luminanceGain=2.0] - A luminance gain factor.\n * @param {Number} [options.bias=0.5] - A blur bias.\n * @param {Number} [options.fringe=0.7] - A blur offset.\n * @param {Number} [options.maxBlur=1.0] - The maximum blur strength.\n * @param {Boolean} [options.rings=3] - The number of blur iterations.\n * @param {Boolean} [options.samples=2] - The amount of samples taken per ring.\n * @param {Boolean} [options.showFocus=false] - Whether the focal point should be highlighted. Useful for debugging.\n * @param {Boolean} [options.manualDoF=false] - Enables manual control over the depth of field.\n * @param {Boolean} [options.pentagon=false] - Enables pentagonal blur shapes. Requires a high number of rings and samples.\n */\n constructor({\n blendFunction,\n focus = 1,\n focalLength = 24,\n fStop = 0.9,\n luminanceThreshold = 0.5,\n luminanceGain = 2,\n bias = 0.5,\n fringe = 0.7,\n maxBlur = 1,\n rings = 3,\n samples = 2,\n showFocus = false,\n manualDoF = false,\n pentagon = false\n } = {}) {\n super(\"RealisticBokehEffect\", realistic_bokeh_default, {\n blendFunction,\n attributes: EffectAttribute.CONVOLUTION | EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"focus\", new Uniform31(focus)],\n [\"focalLength\", new Uniform31(focalLength)],\n [\"fStop\", new Uniform31(fStop)],\n [\"luminanceThreshold\", new Uniform31(luminanceThreshold)],\n [\"luminanceGain\", new Uniform31(luminanceGain)],\n [\"bias\", new Uniform31(bias)],\n [\"fringe\", new Uniform31(fringe)],\n [\"maxBlur\", new Uniform31(maxBlur)],\n [\"dof\", new Uniform31(null)]\n ])\n });\n this.rings = rings;\n this.samples = samples;\n this.showFocus = showFocus;\n this.manualDoF = manualDoF;\n this.pentagon = pentagon;\n }\n /**\n * The amount of blur iterations.\n *\n * @type {Number}\n */\n get rings() {\n return Number.parseInt(this.defines.get(\"RINGS_INT\"));\n }\n set rings(value) {\n const r = Math.floor(value);\n this.defines.set(\"RINGS_INT\", r.toFixed(0));\n this.defines.set(\"RINGS_FLOAT\", r.toFixed(1));\n this.setChanged();\n }\n /**\n * The amount of blur samples per ring.\n *\n * @type {Number}\n */\n get samples() {\n return Number.parseInt(this.defines.get(\"SAMPLES_INT\"));\n }\n set samples(value) {\n const s = Math.floor(value);\n this.defines.set(\"SAMPLES_INT\", s.toFixed(0));\n this.defines.set(\"SAMPLES_FLOAT\", s.toFixed(1));\n this.setChanged();\n }\n /**\n * Indicates whether the focal point will be highlighted.\n *\n * @type {Boolean}\n */\n get showFocus() {\n return this.defines.has(\"SHOW_FOCUS\");\n }\n set showFocus(value) {\n if (this.showFocus !== value) {\n if (value) {\n this.defines.set(\"SHOW_FOCUS\", \"1\");\n } else {\n this.defines.delete(\"SHOW_FOCUS\");\n }\n this.setChanged();\n }\n }\n /**\n * Indicates whether the Depth of Field should be calculated manually.\n *\n * If enabled, the Depth of Field can be adjusted via the `dof` uniform.\n *\n * @type {Boolean}\n */\n get manualDoF() {\n return this.defines.has(\"MANUAL_DOF\");\n }\n set manualDoF(value) {\n if (this.manualDoF !== value) {\n if (value) {\n this.defines.set(\"MANUAL_DOF\", \"1\");\n this.uniforms.get(\"dof\").value = new Vector43(0.2, 1, 0.2, 2);\n } else {\n this.defines.delete(\"MANUAL_DOF\");\n this.uniforms.get(\"dof\").value = null;\n }\n this.setChanged();\n }\n }\n /**\n * Indicates whether the blur shape should be pentagonal.\n *\n * @type {Boolean}\n */\n get pentagon() {\n return this.defines.has(\"PENTAGON\");\n }\n set pentagon(value) {\n if (this.pentagon !== value) {\n if (value) {\n this.defines.set(\"PENTAGON\", \"1\");\n } else {\n this.defines.delete(\"PENTAGON\");\n }\n this.setChanged();\n }\n }\n};\n\n// src/effects/ScanlineEffect.js\nimport { Uniform as Uniform32, Vector2 as Vector216 } from \"three\";\n\n// src/effects/glsl/scanlines.frag\nvar scanlines_default = \"uniform float count;\\n#ifdef SCROLL\\nuniform float scrollSpeed;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){float y=uv.y;\\n#ifdef SCROLL\\ny+=time*scrollSpeed;\\n#endif\\nvec2 sl=vec2(sin(y*count),cos(y*count));outputColor=vec4(sl.xyx,inputColor.a);}\";\n\n// src/effects/ScanlineEffect.js\nvar ScanlineEffect = class extends Effect {\n /**\n * Constructs a new scanline effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.OVERLAY] - The blend function of this effect.\n * @param {Number} [options.density=1.25] - The scanline density.\n * @param {Number} [options.scrollSpeed=0.0] - The scanline scroll speed.\n */\n constructor({ blendFunction = BlendFunction.OVERLAY, density = 1.25, scrollSpeed = 0 } = {}) {\n super(\"ScanlineEffect\", scanlines_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"count\", new Uniform32(0)],\n [\"scrollSpeed\", new Uniform32(0)]\n ])\n });\n this.resolution = new Vector216();\n this.d = density;\n this.scrollSpeed = scrollSpeed;\n }\n /**\n * The scanline density.\n *\n * @type {Number}\n */\n get density() {\n return this.d;\n }\n set density(value) {\n this.d = value;\n this.setSize(this.resolution.width, this.resolution.height);\n }\n /**\n * Returns the current scanline density.\n *\n * @deprecated Use density instead.\n * @return {Number} The scanline density.\n */\n getDensity() {\n return this.density;\n }\n /**\n * Sets the scanline density.\n *\n * @deprecated Use density instead.\n * @param {Number} value - The new scanline density.\n */\n setDensity(value) {\n this.density = value;\n }\n /**\n * The scanline scroll speed. Default is 0 (disabled).\n *\n * @type {Number}\n */\n get scrollSpeed() {\n return this.uniforms.get(\"scrollSpeed\").value;\n }\n set scrollSpeed(value) {\n this.uniforms.get(\"scrollSpeed\").value = value;\n if (value === 0) {\n if (this.defines.delete(\"SCROLL\")) {\n this.setChanged();\n }\n } else if (!this.defines.has(\"SCROLL\")) {\n this.defines.set(\"SCROLL\", \"1\");\n this.setChanged();\n }\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.resolution.set(width, height);\n this.uniforms.get(\"count\").value = Math.round(height * this.density);\n }\n};\n\n// src/effects/ShockWaveEffect.js\nimport { Uniform as Uniform33, Vector2 as Vector217, Vector3 as Vector35 } from \"three\";\n\n// src/effects/glsl/shock-wave.frag\nvar shock_wave_default = \"uniform bool active;uniform vec2 center;uniform float waveSize;uniform float radius;uniform float maxRadius;uniform float amplitude;varying float vSize;void mainUv(inout vec2 uv){if(active){vec2 aspectCorrection=vec2(aspect,1.0);vec2 difference=uv*aspectCorrection-center*aspectCorrection;float distance=sqrt(dot(difference,difference))*vSize;if(distance>radius){if(distance HALF_PI;\n if (uActive.value) {\n uniforms.get(\"cameraDistance\").value = camera.position.distanceTo(position);\n v2.copy(position).project(camera);\n this.screenPosition.set((v2.x + 1) * 0.5, (v2.y + 1) * 0.5);\n }\n this.time += delta * this.speed;\n const radius = this.time - waveSize;\n uniforms.get(\"radius\").value = radius;\n if (radius >= (uniforms.get(\"maxRadius\").value + waveSize) * 2) {\n this.active = false;\n uActive.value = false;\n }\n }\n }\n};\n\n// src/effects/SelectiveBloomEffect.js\nimport {\n BasicDepthPacking as BasicDepthPacking7,\n Color as Color6,\n NotEqualDepth as NotEqualDepth2,\n EqualDepth as EqualDepth2,\n RGBADepthPacking as RGBADepthPacking3,\n SRGBColorSpace as SRGBColorSpace11,\n WebGLRenderTarget as WebGLRenderTarget13\n} from \"three\";\nvar SelectiveBloomEffect = class extends BloomEffect {\n /**\n * Constructs a new selective bloom effect.\n *\n * @param {Scene} scene - The main scene.\n * @param {Camera} camera - The main camera.\n * @param {Object} [options] - The options. See {@link BloomEffect} for details.\n */\n constructor(scene, camera, options) {\n super(options);\n this.setAttributes(this.getAttributes() | EffectAttribute.DEPTH);\n this.camera = camera;\n this.depthPass = new DepthPass(scene, camera);\n this.clearPass = new ClearPass(true, false, false);\n this.clearPass.overrideClearColor = new Color6(0);\n this.depthMaskPass = new ShaderPass(new DepthMaskMaterial());\n const depthMaskMaterial = this.depthMaskMaterial;\n depthMaskMaterial.copyCameraSettings(camera);\n depthMaskMaterial.depthBuffer1 = this.depthPass.texture;\n depthMaskMaterial.depthPacking1 = RGBADepthPacking3;\n depthMaskMaterial.depthMode = EqualDepth2;\n this.renderTargetMasked = new WebGLRenderTarget13(1, 1, { depthBuffer: false });\n this.renderTargetMasked.texture.name = \"Bloom.Masked\";\n this.selection = new Selection();\n this._inverted = false;\n this._ignoreBackground = false;\n }\n set mainScene(value) {\n this.depthPass.mainScene = value;\n }\n set mainCamera(value) {\n this.camera = value;\n this.depthPass.mainCamera = value;\n this.depthMaskMaterial.copyCameraSettings(value);\n }\n /**\n * Returns the selection.\n *\n * @deprecated Use selection instead.\n * @return {Selection} The selection.\n */\n getSelection() {\n return this.selection;\n }\n /**\n * The depth mask material.\n *\n * @type {DepthMaskMaterial}\n * @private\n */\n get depthMaskMaterial() {\n return this.depthMaskPass.fullscreenMaterial;\n }\n /**\n * Indicates whether the selection should be considered inverted.\n *\n * @type {Boolean}\n */\n get inverted() {\n return this._inverted;\n }\n set inverted(value) {\n this._inverted = value;\n this.depthMaskMaterial.depthMode = value ? NotEqualDepth2 : EqualDepth2;\n }\n /**\n * Indicates whether the mask is inverted.\n *\n * @deprecated Use inverted instead.\n * @return {Boolean} Whether the mask is inverted.\n */\n isInverted() {\n return this.inverted;\n }\n /**\n * Enables or disable mask inversion.\n *\n * @deprecated Use inverted instead.\n * @param {Boolean} value - Whether the mask should be inverted.\n */\n setInverted(value) {\n this.inverted = value;\n }\n /**\n * Indicates whether the background colors will be ignored.\n *\n * @type {Boolean}\n */\n get ignoreBackground() {\n return this._ignoreBackground;\n }\n set ignoreBackground(value) {\n this._ignoreBackground = value;\n this.depthMaskMaterial.maxDepthStrategy = value ? DepthTestStrategy.DISCARD_MAX_DEPTH : DepthTestStrategy.KEEP_MAX_DEPTH;\n }\n /**\n * Indicates whether the background is disabled.\n *\n * @deprecated Use ignoreBackground instead.\n * @return {Boolean} Whether the background is disabled.\n */\n isBackgroundDisabled() {\n return this.ignoreBackground;\n }\n /**\n * Enables or disables the background.\n *\n * @deprecated Use ignoreBackground instead.\n * @param {Boolean} value - Whether the background should be disabled.\n */\n setBackgroundDisabled(value) {\n this.ignoreBackground = value;\n }\n /**\n * Sets the depth texture.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking7) {\n this.depthMaskMaterial.depthBuffer0 = depthTexture;\n this.depthMaskMaterial.depthPacking0 = depthPacking;\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n const camera = this.camera;\n const selection = this.selection;\n const inverted = this.inverted;\n let renderTarget = inputBuffer;\n if (this.ignoreBackground || !inverted || selection.size > 0) {\n const mask = camera.layers.mask;\n camera.layers.set(selection.layer);\n this.depthPass.render(renderer);\n camera.layers.mask = mask;\n renderTarget = this.renderTargetMasked;\n this.clearPass.render(renderer, renderTarget);\n this.depthMaskPass.render(renderer, inputBuffer, renderTarget);\n }\n super.update(renderer, renderTarget, deltaTime);\n }\n /**\n * Updates the size of internal render targets.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n super.setSize(width, height);\n this.renderTargetMasked.setSize(width, height);\n this.depthPass.setSize(width, height);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n super.initialize(renderer, alpha, frameBufferType);\n this.clearPass.initialize(renderer, alpha, frameBufferType);\n this.depthPass.initialize(renderer, alpha, frameBufferType);\n this.depthMaskPass.initialize(renderer, alpha, frameBufferType);\n if (renderer !== null && renderer.capabilities.logarithmicDepthBuffer) {\n this.depthMaskPass.fullscreenMaterial.defines.LOG_DEPTH = \"1\";\n }\n if (frameBufferType !== void 0) {\n this.renderTargetMasked.texture.type = frameBufferType;\n if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace11) {\n this.renderTargetMasked.texture.colorSpace = SRGBColorSpace11;\n }\n }\n }\n};\n\n// src/effects/SepiaEffect.js\nimport { Uniform as Uniform34, Vector3 as Vector36 } from \"three\";\n\n// src/effects/glsl/sepia.frag\nvar sepia_default = \"uniform vec3 weightsR;uniform vec3 weightsG;uniform vec3 weightsB;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=vec3(dot(inputColor.rgb,weightsR),dot(inputColor.rgb,weightsG),dot(inputColor.rgb,weightsB));outputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/SepiaEffect.js\nvar SepiaEffect = class extends Effect {\n /**\n * Constructs a new sepia effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction] - The blend function of this effect.\n * @param {Number} [options.intensity=1.0] - The intensity of the effect.\n */\n constructor({ blendFunction, intensity = 1 } = {}) {\n super(\"SepiaEffect\", sepia_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"weightsR\", new Uniform34(new Vector36(0.393, 0.769, 0.189))],\n [\"weightsG\", new Uniform34(new Vector36(0.349, 0.686, 0.168))],\n [\"weightsB\", new Uniform34(new Vector36(0.272, 0.534, 0.131))]\n ])\n });\n }\n /**\n * The intensity.\n *\n * @deprecated Use blendMode.opacity instead.\n * @type {Number}\n */\n get intensity() {\n return this.blendMode.opacity.value;\n }\n set intensity(value) {\n this.blendMode.opacity.value = value;\n }\n /**\n * Returns the current sepia intensity.\n *\n * @deprecated Use blendMode.opacity instead.\n * @return {Number} The intensity.\n */\n getIntensity() {\n return this.intensity;\n }\n /**\n * Sets the sepia intensity.\n *\n * @deprecated Use blendMode.opacity instead.\n * @param {Number} value - The intensity.\n */\n setIntensity(value) {\n this.intensity = value;\n }\n /**\n * The weights for the red channel. Default is `(0.393, 0.769, 0.189)`.\n *\n * @type {Vector3}\n */\n get weightsR() {\n return this.uniforms.get(\"weightsR\").value;\n }\n /**\n * The weights for the green channel. Default is `(0.349, 0.686, 0.168)`.\n *\n * @type {Vector3}\n */\n get weightsG() {\n return this.uniforms.get(\"weightsG\").value;\n }\n /**\n * The weights for the blue channel. Default is `(0.272, 0.534, 0.131)`.\n *\n * @type {Vector3}\n */\n get weightsB() {\n return this.uniforms.get(\"weightsB\").value;\n }\n};\n\n// src/effects/SMAAEffect.js\nimport {\n BasicDepthPacking as BasicDepthPacking9,\n Color as Color7,\n LinearFilter as LinearFilter5,\n LoadingManager,\n NearestFilter as NearestFilter4,\n Texture as Texture3,\n Uniform as Uniform37,\n WebGLRenderTarget as WebGLRenderTarget14\n} from \"three\";\n\n// src/materials/EdgeDetectionMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking8, NoBlending as NoBlending13, REVISION as REVISION2, ShaderMaterial as ShaderMaterial14, Uniform as Uniform35, Vector2 as Vector218 } from \"three\";\n\n// src/materials/glsl/edge-detection.frag\nvar edge_detection_default = \"varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;\\n#if EDGE_DETECTION_MODE != 0\\nvarying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;\\n#endif\\n#if EDGE_DETECTION_MODE == 1\\n#include \\n#endif\\n#if EDGE_DETECTION_MODE == 0 || PREDICATION_MODE == 1\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}vec3 gatherNeighbors(){float p=readDepth(vUv);float pLeft=readDepth(vUv0);float pTop=readDepth(vUv1);return vec3(p,pLeft,pTop);}\\n#elif PREDICATION_MODE == 2\\nuniform sampler2D predicationBuffer;vec3 gatherNeighbors(){float p=texture2D(predicationBuffer,vUv).r;float pLeft=texture2D(predicationBuffer,vUv0).r;float pTop=texture2D(predicationBuffer,vUv1).r;return vec3(p,pLeft,pTop);}\\n#endif\\n#if PREDICATION_MODE != 0\\nvec2 calculatePredicatedThreshold(){vec3 neighbours=gatherNeighbors();vec2 delta=abs(neighbours.xx-neighbours.yz);vec2 edges=step(PREDICATION_THRESHOLD,delta);return PREDICATION_SCALE*EDGE_THRESHOLD*(1.0-PREDICATION_STRENGTH*edges);}\\n#endif\\n#if EDGE_DETECTION_MODE != 0\\nuniform sampler2D inputBuffer;\\n#endif\\nvoid main(){\\n#if EDGE_DETECTION_MODE == 0\\nconst vec2 threshold=vec2(DEPTH_THRESHOLD);\\n#elif PREDICATION_MODE != 0\\nvec2 threshold=calculatePredicatedThreshold();\\n#else\\nconst vec2 threshold=vec2(EDGE_THRESHOLD);\\n#endif\\n#if EDGE_DETECTION_MODE == 0\\nvec3 neighbors=gatherNeighbors();vec2 delta=abs(neighbors.xx-vec2(neighbors.y,neighbors.z));vec2 edges=step(threshold,delta);if(dot(edges,vec2(1.0))==0.0){discard;}gl_FragColor=vec4(edges,0.0,1.0);\\n#elif EDGE_DETECTION_MODE == 1\\nfloat l=luminance(texture2D(inputBuffer,vUv).rgb);float lLeft=luminance(texture2D(inputBuffer,vUv0).rgb);float lTop=luminance(texture2D(inputBuffer,vUv1).rgb);vec4 delta;delta.xy=abs(l-vec2(lLeft,lTop));vec2 edges=step(threshold,delta.xy);if(dot(edges,vec2(1.0))==0.0){discard;}float lRight=luminance(texture2D(inputBuffer,vUv2).rgb);float lBottom=luminance(texture2D(inputBuffer,vUv3).rgb);delta.zw=abs(l-vec2(lRight,lBottom));vec2 maxDelta=max(delta.xy,delta.zw);float lLeftLeft=luminance(texture2D(inputBuffer,vUv4).rgb);float lTopTop=luminance(texture2D(inputBuffer,vUv5).rgb);delta.zw=abs(vec2(lLeft,lTop)-vec2(lLeftLeft,lTopTop));maxDelta=max(maxDelta.xy,delta.zw);float finalDelta=max(maxDelta.x,maxDelta.y);edges.xy*=step(finalDelta,LOCAL_CONTRAST_ADAPTATION_FACTOR*delta.xy);gl_FragColor=vec4(edges,0.0,1.0);\\n#elif EDGE_DETECTION_MODE == 2\\nvec4 delta;vec3 c=texture2D(inputBuffer,vUv).rgb;vec3 cLeft=texture2D(inputBuffer,vUv0).rgb;vec3 t=abs(c-cLeft);delta.x=max(max(t.r,t.g),t.b);vec3 cTop=texture2D(inputBuffer,vUv1).rgb;t=abs(c-cTop);delta.y=max(max(t.r,t.g),t.b);vec2 edges=step(threshold,delta.xy);if(dot(edges,vec2(1.0))==0.0){discard;}vec3 cRight=texture2D(inputBuffer,vUv2).rgb;t=abs(c-cRight);delta.z=max(max(t.r,t.g),t.b);vec3 cBottom=texture2D(inputBuffer,vUv3).rgb;t=abs(c-cBottom);delta.w=max(max(t.r,t.g),t.b);vec2 maxDelta=max(delta.xy,delta.zw);vec3 cLeftLeft=texture2D(inputBuffer,vUv4).rgb;t=abs(c-cLeftLeft);delta.z=max(max(t.r,t.g),t.b);vec3 cTopTop=texture2D(inputBuffer,vUv5).rgb;t=abs(c-cTopTop);delta.w=max(max(t.r,t.g),t.b);maxDelta=max(maxDelta.xy,delta.zw);float finalDelta=max(maxDelta.x,maxDelta.y);edges*=step(finalDelta,LOCAL_CONTRAST_ADAPTATION_FACTOR*delta.xy);gl_FragColor=vec4(edges,0.0,1.0);\\n#endif\\n}\";\n\n// src/materials/glsl/edge-detection.vert\nvar edge_detection_default2 = \"uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;\\n#if EDGE_DETECTION_MODE != 0\\nvarying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;\\n#endif\\nvoid main(){vUv=position.xy*0.5+0.5;vUv0=vUv+texelSize*vec2(-1.0,0.0);vUv1=vUv+texelSize*vec2(0.0,-1.0);\\n#if EDGE_DETECTION_MODE != 0\\nvUv2=vUv+texelSize*vec2(1.0,0.0);vUv3=vUv+texelSize*vec2(0.0,1.0);vUv4=vUv+texelSize*vec2(-2.0,0.0);vUv5=vUv+texelSize*vec2(0.0,-2.0);\\n#endif\\ngl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/EdgeDetectionMaterial.js\nvar EdgeDetectionMaterial = class extends ShaderMaterial14 {\n /**\n * Constructs a new edge detection material.\n *\n * TODO Remove parameters.\n * @param {Vector2} [texelSize] - The screen texel size.\n * @param {EdgeDetectionMode} [mode=EdgeDetectionMode.COLOR] - The edge detection mode.\n */\n constructor(texelSize = new Vector218(), mode = EdgeDetectionMode.COLOR) {\n super({\n name: \"EdgeDetectionMaterial\",\n defines: {\n THREE_REVISION: REVISION2.replace(/\\D+/g, \"\"),\n LOCAL_CONTRAST_ADAPTATION_FACTOR: \"2.0\",\n EDGE_THRESHOLD: \"0.1\",\n DEPTH_THRESHOLD: \"0.01\",\n PREDICATION_MODE: \"0\",\n PREDICATION_THRESHOLD: \"0.01\",\n PREDICATION_SCALE: \"2.0\",\n PREDICATION_STRENGTH: \"1.0\",\n DEPTH_PACKING: \"0\"\n },\n uniforms: {\n inputBuffer: new Uniform35(null),\n depthBuffer: new Uniform35(null),\n predicationBuffer: new Uniform35(null),\n texelSize: new Uniform35(texelSize)\n },\n blending: NoBlending13,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: edge_detection_default,\n vertexShader: edge_detection_default2\n });\n this.edgeDetectionMode = mode;\n }\n /**\n * The depth buffer.\n *\n * @type {Texture}\n */\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n /**\n * The depth packing strategy.\n *\n * @type {DepthPackingStrategies}\n */\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the depth buffer.\n *\n * @deprecated Use depthBuffer and depthPacking instead.\n * @param {Texture} buffer - The depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing strategy.\n */\n setDepthBuffer(buffer, depthPacking = BasicDepthPacking8) {\n this.depthBuffer = buffer;\n this.depthPacking = depthPacking;\n }\n /**\n * The edge detection mode.\n *\n * @type {EdgeDetectionMode}\n */\n get edgeDetectionMode() {\n return Number(this.defines.EDGE_DETECTION_MODE);\n }\n set edgeDetectionMode(value) {\n this.defines.EDGE_DETECTION_MODE = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Returns the edge detection mode.\n *\n * @deprecated Use edgeDetectionMode instead.\n * @return {EdgeDetectionMode} The mode.\n */\n getEdgeDetectionMode() {\n return this.edgeDetectionMode;\n }\n /**\n * Sets the edge detection mode.\n *\n * @deprecated Use edgeDetectionMode instead.\n * @param {EdgeDetectionMode} value - The edge detection mode.\n */\n setEdgeDetectionMode(value) {\n this.edgeDetectionMode = value;\n }\n /**\n * The local contrast adaptation factor. Has no effect if the edge detection mode is set to DEPTH. Default is 2.0.\n *\n * If a neighbor edge has _factor_ times bigger contrast than the current edge, the edge will be discarded.\n *\n * This allows to eliminate spurious crossing edges and is based on the fact that if there is too much contrast in a\n * direction, the perceptual contrast in the other neighbors will be hidden.\n *\n * @type {Number}\n */\n get localContrastAdaptationFactor() {\n return Number(this.defines.LOCAL_CONTRAST_ADAPTATION_FACTOR);\n }\n set localContrastAdaptationFactor(value) {\n this.defines.LOCAL_CONTRAST_ADAPTATION_FACTOR = value.toFixed(\"6\");\n this.needsUpdate = true;\n }\n /**\n * Returns the local contrast adaptation factor.\n *\n * @deprecated Use localContrastAdaptationFactor instead.\n * @return {Number} The factor.\n */\n getLocalContrastAdaptationFactor() {\n return this.localContrastAdaptationFactor;\n }\n /**\n * Sets the local contrast adaptation factor. Has no effect if the edge detection mode is set to DEPTH.\n *\n * @deprecated Use localContrastAdaptationFactor instead.\n * @param {Number} value - The local contrast adaptation factor. Default is 2.0.\n */\n setLocalContrastAdaptationFactor(value) {\n this.localContrastAdaptationFactor = value;\n }\n /**\n * The edge detection threshold. Range: [0.0, 0.5].\n *\n * A lower value results in more edges being detected at the expense of performance.\n *\n * For luma- and chroma-based edge detection, 0.1 is a reasonable value and allows to catch most visible edges. 0.05\n * is a rather overkill value that allows to catch 'em all. Darker scenes may require an even lower threshold.\n *\n * If depth-based edge detection is used, the threshold will depend on the scene depth.\n *\n * @type {Number}\n */\n get edgeDetectionThreshold() {\n return Number(this.defines.EDGE_THRESHOLD);\n }\n set edgeDetectionThreshold(value) {\n this.defines.EDGE_THRESHOLD = value.toFixed(\"6\");\n this.defines.DEPTH_THRESHOLD = (value * 0.1).toFixed(\"6\");\n this.needsUpdate = true;\n }\n /**\n * Returns the edge detection threshold.\n *\n * @deprecated Use edgeDetectionThreshold instead.\n * @return {Number} The threshold.\n */\n getEdgeDetectionThreshold() {\n return this.edgeDetectionThreshold;\n }\n /**\n * Sets the edge detection threshold.\n *\n * @deprecated Use edgeDetectionThreshold instead.\n * @param {Number} value - The edge detection threshold. Range: [0.0, 0.5].\n */\n setEdgeDetectionThreshold(value) {\n this.edgeDetectionThreshold = value;\n }\n /**\n * The predication mode.\n *\n * Predicated thresholding allows to better preserve texture details and to improve edge detection using an additional\n * buffer such as a light accumulation or depth buffer.\n *\n * @type {PredicationMode}\n */\n get predicationMode() {\n return Number(this.defines.PREDICATION_MODE);\n }\n set predicationMode(value) {\n this.defines.PREDICATION_MODE = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Returns the predication mode.\n *\n * @deprecated Use predicationMode instead.\n * @return {PredicationMode} The mode.\n */\n getPredicationMode() {\n return this.predicationMode;\n }\n /**\n * Sets the predication mode.\n *\n * @deprecated Use predicationMode instead.\n * @param {PredicationMode} value - The predication mode.\n */\n setPredicationMode(value) {\n this.predicationMode = value;\n }\n /**\n * The predication buffer.\n *\n * @type {Texture}\n */\n set predicationBuffer(value) {\n this.uniforms.predicationBuffer.value = value;\n }\n /**\n * Sets a custom predication buffer.\n *\n * @deprecated Use predicationBuffer instead.\n * @param {Texture} value - The predication buffer.\n */\n setPredicationBuffer(value) {\n this.uniforms.predicationBuffer.value = value;\n }\n /**\n * The predication threshold.\n *\n * @type {Number}\n */\n get predicationThreshold() {\n return Number(this.defines.PREDICATION_THRESHOLD);\n }\n set predicationThreshold(value) {\n this.defines.PREDICATION_THRESHOLD = value.toFixed(\"6\");\n this.needsUpdate = true;\n }\n /**\n * Returns the predication threshold.\n *\n * @deprecated Use predicationThreshold instead.\n * @return {Number} The threshold.\n */\n getPredicationThreshold() {\n return this.predicationThreshold;\n }\n /**\n * Sets the predication threshold.\n *\n * @deprecated Use predicationThreshold instead.\n * @param {Number} value - The threshold.\n */\n setPredicationThreshold(value) {\n this.predicationThreshold = value;\n }\n /**\n * The predication scale. Range: [1.0, 5.0].\n *\n * Determines how much the edge detection threshold should be scaled when using predication.\n *\n * @type {Boolean|Texture|Number}\n */\n get predicationScale() {\n return Number(this.defines.PREDICATION_SCALE);\n }\n set predicationScale(value) {\n this.defines.PREDICATION_SCALE = value.toFixed(\"6\");\n this.needsUpdate = true;\n }\n /**\n * Returns the predication scale.\n *\n * @deprecated Use predicationScale instead.\n * @return {Number} The scale.\n */\n getPredicationScale() {\n return this.predicationScale;\n }\n /**\n * Sets the predication scale.\n *\n * @deprecated Use predicationScale instead.\n * @param {Number} value - The scale. Range: [1.0, 5.0].\n */\n setPredicationScale(value) {\n this.predicationScale = value;\n }\n /**\n * The predication strength. Range: [0.0, 1.0].\n *\n * Determines how much the edge detection threshold should be decreased locally when using predication.\n *\n * @type {Number}\n */\n get predicationStrength() {\n return Number(this.defines.PREDICATION_STRENGTH);\n }\n set predicationStrength(value) {\n this.defines.PREDICATION_STRENGTH = value.toFixed(\"6\");\n this.needsUpdate = true;\n }\n /**\n * Returns the predication strength.\n *\n * @deprecated Use predicationStrength instead.\n * @return {Number} The strength.\n */\n getPredicationStrength() {\n return this.predicationStrength;\n }\n /**\n * Sets the predication strength.\n *\n * @deprecated Use predicationStrength instead.\n * @param {Number} value - The strength. Range: [0.0, 1.0].\n */\n setPredicationStrength(value) {\n this.predicationStrength = value;\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/SMAAWeightsMaterial.js\nimport { NoBlending as NoBlending14, ShaderMaterial as ShaderMaterial15, Uniform as Uniform36, Vector2 as Vector219 } from \"three\";\n\n// src/materials/glsl/smaa-weights.frag\nvar smaa_weights_default = \"#define sampleLevelZeroOffset(t, coord, offset) texture2D(t, coord + offset * texelSize)\\n#if __VERSION__ < 300\\n#define round(v) floor(v + 0.5)\\n#endif\\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform lowp sampler2D areaTexture;uniform lowp sampler2D searchTexture;uniform vec2 texelSize;uniform vec2 resolution;varying vec2 vUv;varying vec4 vOffset[3];varying vec2 vPixCoord;void movec(const in bvec2 c,inout vec2 variable,const in vec2 value){if(c.x){variable.x=value.x;}if(c.y){variable.y=value.y;}}void movec(const in bvec4 c,inout vec4 variable,const in vec4 value){movec(c.xy,variable.xy,value.xy);movec(c.zw,variable.zw,value.zw);}vec2 decodeDiagBilinearAccess(in vec2 e){e.r=e.r*abs(5.0*e.r-5.0*0.75);return round(e);}vec4 decodeDiagBilinearAccess(in vec4 e){e.rb=e.rb*abs(5.0*e.rb-5.0*0.75);return round(e);}vec2 searchDiag1(const in vec2 texCoord,const in vec2 dir,out vec2 e){vec4 coord=vec4(texCoord,-1.0,1.0);vec3 t=vec3(texelSize,1.0);for(int i=0;i0.9)){break;}coord.xyz=t*vec3(dir,1.0)+coord.xyz;e=texture2D(inputBuffer,coord.xy).rg;coord.w=dot(e,vec2(0.5));}return coord.zw;}vec2 searchDiag2(const in vec2 texCoord,const in vec2 dir,out vec2 e){vec4 coord=vec4(texCoord,-1.0,1.0);coord.x+=0.25*texelSize.x;vec3 t=vec3(texelSize,1.0);for(int i=0;i0.9)){break;}coord.xyz=t*vec3(dir,1.0)+coord.xyz;e=texture2D(inputBuffer,coord.xy).rg;e=decodeDiagBilinearAccess(e);coord.w=dot(e,vec2(0.5));}return coord.zw;}vec2 areaDiag(const in vec2 dist,const in vec2 e,const in float offset){vec2 texCoord=vec2(AREATEX_MAX_DISTANCE_DIAG,AREATEX_MAX_DISTANCE_DIAG)*e+dist;texCoord=AREATEX_PIXEL_SIZE*texCoord+0.5*AREATEX_PIXEL_SIZE;texCoord.x+=0.5;texCoord.y+=AREATEX_SUBTEX_SIZE*offset;return texture2D(areaTexture,texCoord).rg;}vec2 calculateDiagWeights(const in vec2 texCoord,const in vec2 e,const in vec4 subsampleIndices){vec2 weights=vec2(0.0);vec4 d;vec2 end;if(e.r>0.0){d.xz=searchDiag1(texCoord,vec2(-1.0,1.0),end);d.x+=float(end.y>0.9);}else{d.xz=vec2(0.0);}d.yw=searchDiag1(texCoord,vec2(1.0,-1.0),end);if(d.x+d.y>2.0){vec4 coords=vec4(-d.x+0.25,d.x,d.y,-d.y-0.25)*texelSize.xyxy+texCoord.xyxy;vec4 c;c.xy=sampleLevelZeroOffset(inputBuffer,coords.xy,vec2(-1,0)).rg;c.zw=sampleLevelZeroOffset(inputBuffer,coords.zw,vec2(1,0)).rg;c.yxwz=decodeDiagBilinearAccess(c.xyzw);vec2 cc=vec2(2.0)*c.xz+c.yw;movec(bvec2(step(0.9,d.zw)),cc,vec2(0.0));weights+=areaDiag(d.xy,cc,subsampleIndices.z);}d.xz=searchDiag2(texCoord,vec2(-1.0,-1.0),end);if(sampleLevelZeroOffset(inputBuffer,texCoord,vec2(1,0)).r>0.0){d.yw=searchDiag2(texCoord,vec2(1.0),end);d.y+=float(end.y>0.9);}else{d.yw=vec2(0.0);}if(d.x+d.y>2.0){vec4 coords=vec4(-d.x,-d.x,d.y,d.y)*texelSize.xyxy+texCoord.xyxy;vec4 c;c.x=sampleLevelZeroOffset(inputBuffer,coords.xy,vec2(-1,0)).g;c.y=sampleLevelZeroOffset(inputBuffer,coords.xy,vec2(0,-1)).r;c.zw=sampleLevelZeroOffset(inputBuffer,coords.zw,vec2(1,0)).gr;vec2 cc=vec2(2.0)*c.xz+c.yw;movec(bvec2(step(0.9,d.zw)),cc,vec2(0.0));weights+=areaDiag(d.xy,cc,subsampleIndices.w).gr;}return weights;}float searchLength(const in vec2 e,const in float offset){vec2 scale=SEARCHTEX_SIZE*vec2(0.5,-1.0);vec2 bias=SEARCHTEX_SIZE*vec2(offset,1.0);scale+=vec2(-1.0,1.0);bias+=vec2(0.5,-0.5);scale*=1.0/SEARCHTEX_PACKED_SIZE;bias*=1.0/SEARCHTEX_PACKED_SIZE;return texture2D(searchTexture,scale*e+bias).r;}float searchXLeft(in vec2 texCoord,const in float end){vec2 e=vec2(0.0,1.0);for(int i=0;iend&&e.g>0.8281&&e.r==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=vec2(-2.0,0.0)*texelSize+texCoord;}float offset=-(255.0/127.0)*searchLength(e,0.0)+3.25;return texelSize.x*offset+texCoord.x;}float searchXRight(vec2 texCoord,const in float end){vec2 e=vec2(0.0,1.0);for(int i=0;i0.8281&&e.r==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=vec2(2.0,0.0)*texelSize.xy+texCoord;}float offset=-(255.0/127.0)*searchLength(e,0.5)+3.25;return-texelSize.x*offset+texCoord.x;}float searchYUp(vec2 texCoord,const in float end){vec2 e=vec2(1.0,0.0);for(int i=0;iend&&e.r>0.8281&&e.g==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=-vec2(0.0,2.0)*texelSize.xy+texCoord;}float offset=-(255.0/127.0)*searchLength(e.gr,0.0)+3.25;return texelSize.y*offset+texCoord.y;}float searchYDown(vec2 texCoord,const in float end){vec2 e=vec2(1.0,0.0);for(int i=0;i0.8281&&e.g==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=vec2(0.0,2.0)*texelSize.xy+texCoord;}float offset=-(255.0/127.0)*searchLength(e.gr,0.5)+3.25;return-texelSize.y*offset+texCoord.y;}vec2 area(const in vec2 dist,const in float e1,const in float e2,const in float offset){vec2 texCoord=vec2(AREATEX_MAX_DISTANCE)*round(4.0*vec2(e1,e2))+dist;texCoord=AREATEX_PIXEL_SIZE*texCoord+0.5*AREATEX_PIXEL_SIZE;texCoord.y=AREATEX_SUBTEX_SIZE*offset+texCoord.y;return texture2D(areaTexture,texCoord).rg;}void detectHorizontalCornerPattern(inout vec2 weights,const in vec4 texCoord,const in vec2 d){\\n#if !defined(DISABLE_CORNER_DETECTION)\\nvec2 leftRight=step(d.xy,d.yx);vec2 rounding=(1.0-CORNER_ROUNDING_NORM)*leftRight;rounding/=leftRight.x+leftRight.y;vec2 factor=vec2(1.0);factor.x-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(0,1)).r;factor.x-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(1,1)).r;factor.y-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(0,-2)).r;factor.y-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(1,-2)).r;weights*=clamp(factor,0.0,1.0);\\n#endif\\n}void detectVerticalCornerPattern(inout vec2 weights,const in vec4 texCoord,const in vec2 d){\\n#if !defined(DISABLE_CORNER_DETECTION)\\nvec2 leftRight=step(d.xy,d.yx);vec2 rounding=(1.0-CORNER_ROUNDING_NORM)*leftRight;rounding/=leftRight.x+leftRight.y;vec2 factor=vec2(1.0);factor.x-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(1,0)).g;factor.x-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(1,1)).g;factor.y-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(-2,0)).g;factor.y-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(-2,1)).g;weights*=clamp(factor,0.0,1.0);\\n#endif\\n}void main(){vec4 weights=vec4(0.0);vec4 subsampleIndices=vec4(0.0);vec2 e=texture2D(inputBuffer,vUv).rg;if(e.g>0.0){\\n#if !defined(DISABLE_DIAG_DETECTION)\\nweights.rg=calculateDiagWeights(vUv,e,subsampleIndices);if(weights.r==-weights.g){\\n#endif\\nvec2 d;vec3 coords;coords.x=searchXLeft(vOffset[0].xy,vOffset[2].x);coords.y=vOffset[1].y;d.x=coords.x;float e1=texture2D(inputBuffer,coords.xy).r;coords.z=searchXRight(vOffset[0].zw,vOffset[2].y);d.y=coords.z;d=round(resolution.xx*d+-vPixCoord.xx);vec2 sqrtD=sqrt(abs(d));float e2=sampleLevelZeroOffset(inputBuffer,coords.zy,vec2(1,0)).r;weights.rg=area(sqrtD,e1,e2,subsampleIndices.y);coords.y=vUv.y;detectHorizontalCornerPattern(weights.rg,coords.xyzy,d);\\n#if !defined(DISABLE_DIAG_DETECTION)\\n}else{e.r=0.0;}\\n#endif\\n}if(e.r>0.0){vec2 d;vec3 coords;coords.y=searchYUp(vOffset[1].xy,vOffset[2].z);coords.x=vOffset[0].x;d.x=coords.y;float e1=texture2D(inputBuffer,coords.xy).g;coords.z=searchYDown(vOffset[1].zw,vOffset[2].w);d.y=coords.z;d=round(resolution.yy*d-vPixCoord.yy);vec2 sqrtD=sqrt(abs(d));float e2=sampleLevelZeroOffset(inputBuffer,coords.xz,vec2(0,1)).g;weights.ba=area(sqrtD,e1,e2,subsampleIndices.x);coords.x=vUv.x;detectVerticalCornerPattern(weights.ba,coords.xyxz,d);}gl_FragColor=weights;}\";\n\n// src/materials/glsl/smaa-weights.vert\nvar smaa_weights_default2 = \"uniform vec2 texelSize;uniform vec2 resolution;varying vec2 vUv;varying vec4 vOffset[3];varying vec2 vPixCoord;void main(){vUv=position.xy*0.5+0.5;vPixCoord=vUv*resolution;vOffset[0]=vUv.xyxy+texelSize.xyxy*vec4(-0.25,-0.125,1.25,-0.125);vOffset[1]=vUv.xyxy+texelSize.xyxy*vec4(-0.125,-0.25,-0.125,1.25);vOffset[2]=vec4(vOffset[0].xz,vOffset[1].yw)+vec4(-2.0,2.0,-2.0,2.0)*texelSize.xxyy*MAX_SEARCH_STEPS_FLOAT;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/SMAAWeightsMaterial.js\nvar SMAAWeightsMaterial = class extends ShaderMaterial15 {\n /**\n * Constructs a new SMAA weights material.\n *\n * @param {Vector2} [texelSize] - The absolute screen texel size.\n * @param {Vector2} [resolution] - The resolution.\n */\n constructor(texelSize = new Vector219(), resolution = new Vector219()) {\n super({\n name: \"SMAAWeightsMaterial\",\n defines: {\n // Configurable settings:\n MAX_SEARCH_STEPS_INT: \"16\",\n MAX_SEARCH_STEPS_FLOAT: \"16.0\",\n MAX_SEARCH_STEPS_DIAG_INT: \"8\",\n MAX_SEARCH_STEPS_DIAG_FLOAT: \"8.0\",\n CORNER_ROUNDING: \"25\",\n CORNER_ROUNDING_NORM: \"0.25\",\n // Non-configurable settings:\n AREATEX_MAX_DISTANCE: \"16.0\",\n AREATEX_MAX_DISTANCE_DIAG: \"20.0\",\n AREATEX_PIXEL_SIZE: \"(1.0 / vec2(160.0, 560.0))\",\n AREATEX_SUBTEX_SIZE: \"(1.0 / 7.0)\",\n SEARCHTEX_SIZE: \"vec2(66.0, 33.0)\",\n SEARCHTEX_PACKED_SIZE: \"vec2(64.0, 16.0)\"\n },\n uniforms: {\n inputBuffer: new Uniform36(null),\n searchTexture: new Uniform36(null),\n areaTexture: new Uniform36(null),\n resolution: new Uniform36(resolution),\n texelSize: new Uniform36(texelSize)\n },\n blending: NoBlending14,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: smaa_weights_default,\n vertexShader: smaa_weights_default2\n });\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the input buffer.\n *\n * @deprecated Use inputBuffer instead.\n * @param {Texture} value - The input buffer.\n */\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * The search lookup texture.\n *\n * @type {Texture}\n */\n get searchTexture() {\n return this.uniforms.searchTexture.value;\n }\n set searchTexture(value) {\n this.uniforms.searchTexture.value = value;\n }\n /**\n * The area lookup texture.\n *\n * @type {Texture}\n */\n get areaTexture() {\n return this.uniforms.areaTexture.value;\n }\n set areaTexture(value) {\n this.uniforms.areaTexture.value = value;\n }\n /**\n * Sets the search and area lookup textures.\n *\n * @deprecated Use searchTexture and areaTexture instead.\n * @param {Texture} search - The search lookup texture.\n * @param {Texture} area - The area lookup texture.\n */\n setLookupTextures(search, area2) {\n this.searchTexture = search;\n this.areaTexture = area2;\n }\n /**\n * The maximum amount of steps performed in the horizontal/vertical pattern searches, at each side of the pixel.\n * Range: [0, 112].\n *\n * In number of pixels, it's actually the double. So the maximum line length perfectly handled by, for example 16, is\n * 64 (perfectly means that longer lines won't look as good, but are still antialiased).\n *\n * @type {Number}\n */\n get orthogonalSearchSteps() {\n return Number(this.defines.MAX_SEARCH_STEPS_INT);\n }\n set orthogonalSearchSteps(value) {\n const s = Math.min(Math.max(value, 0), 112);\n this.defines.MAX_SEARCH_STEPS_INT = s.toFixed(\"0\");\n this.defines.MAX_SEARCH_STEPS_FLOAT = s.toFixed(\"1\");\n this.needsUpdate = true;\n }\n /**\n * Sets the maximum amount of steps performed in the horizontal/vertical pattern searches, at each side of the pixel.\n *\n * @deprecated Use orthogonalSearchSteps instead.\n * @param {Number} value - The search steps. Range: [0, 112].\n */\n setOrthogonalSearchSteps(value) {\n this.orthogonalSearchSteps = value;\n }\n /**\n * The maximum steps performed in the diagonal pattern searches, at each side of the pixel. This search\n * jumps one pixel at a time. Range: [0, 20].\n *\n * On high-end machines this search is cheap (between 0.8x and 0.9x slower for 16 steps), but it can have a\n * significant impact on older machines.\n *\n * @type {Number}\n */\n get diagonalSearchSteps() {\n return Number(this.defines.MAX_SEARCH_STEPS_DIAG_INT);\n }\n set diagonalSearchSteps(value) {\n const s = Math.min(Math.max(value, 0), 20);\n this.defines.MAX_SEARCH_STEPS_DIAG_INT = s.toFixed(\"0\");\n this.defines.MAX_SEARCH_STEPS_DIAG_FLOAT = s.toFixed(\"1\");\n this.needsUpdate = true;\n }\n /**\n * Specifies the maximum steps performed in the diagonal pattern searches, at each side of the pixel.\n *\n * @deprecated Use diagonalSearchSteps instead.\n * @param {Number} value - The search steps. Range: [0, 20].\n */\n setDiagonalSearchSteps(value) {\n this.diagonalSearchSteps = value;\n }\n /**\n * Indicates whether diagonal pattern detection is enabled.\n *\n * @type {Boolean}\n */\n get diagonalDetection() {\n return this.defines.DISABLE_DIAG_DETECTION === void 0;\n }\n set diagonalDetection(value) {\n if (value) {\n delete this.defines.DISABLE_DIAG_DETECTION;\n } else {\n this.defines.DISABLE_DIAG_DETECTION = \"1\";\n }\n this.needsUpdate = true;\n }\n /**\n * Indicates whether diagonal pattern detection is enabled.\n *\n * @deprecated Use diagonalDetection instead.\n * @return {Boolean} Whether diagonal pattern detection is enabled.\n */\n isDiagonalDetectionEnabled() {\n return this.diagonalDetection;\n }\n /**\n * Enables or disables diagonal pattern detection.\n *\n * @deprecated Use diagonalDetection instead.\n * @param {Boolean} value - Whether diagonal pattern detection should be enabled.\n */\n setDiagonalDetectionEnabled(value) {\n this.diagonalDetection = value;\n }\n /**\n * Specifies how much sharp corners will be rounded. Range: [0, 100].\n *\n * @type {Number}\n */\n get cornerRounding() {\n return Number(this.defines.CORNER_ROUNDING);\n }\n set cornerRounding(value) {\n const r = Math.min(Math.max(value, 0), 100);\n this.defines.CORNER_ROUNDING = r.toFixed(\"4\");\n this.defines.CORNER_ROUNDING_NORM = (r / 100).toFixed(\"4\");\n this.needsUpdate = true;\n }\n /**\n * Specifies how much sharp corners will be rounded.\n *\n * @deprecated Use cornerRounding instead.\n * @param {Number} value - The corner rounding amount. Range: [0, 100].\n */\n setCornerRounding(value) {\n this.cornerRounding = value;\n }\n /**\n * Indicates whether corner detection is enabled.\n *\n * @type {Number}\n */\n get cornerDetection() {\n return this.defines.DISABLE_CORNER_DETECTION === void 0;\n }\n set cornerDetection(value) {\n if (value) {\n delete this.defines.DISABLE_CORNER_DETECTION;\n } else {\n this.defines.DISABLE_CORNER_DETECTION = \"1\";\n }\n this.needsUpdate = true;\n }\n /**\n * Indicates whether corner rounding is enabled.\n *\n * @deprecated Use cornerDetection instead.\n * @return {Boolean} Whether corner rounding is enabled.\n */\n isCornerRoundingEnabled() {\n return this.cornerDetection;\n }\n /**\n * Enables or disables corner rounding.\n *\n * @deprecated Use cornerDetection instead.\n * @param {Boolean} value - Whether corner rounding should be enabled.\n */\n setCornerRoundingEnabled(value) {\n this.cornerDetection = value;\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const uniforms = this.uniforms;\n uniforms.texelSize.value.set(1 / width, 1 / height);\n uniforms.resolution.value.set(width, height);\n }\n};\n\n// src/textures/smaa/searchImageDataURL.js\nvar searchImageDataURL_default = \"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEAAAAAQCAYAAACm53kpAAAAeElEQVRYR+2XSwqAMAxEJ168ePEqwRSKhIIiuHjJqiU0gWE+1CQdApcVAMUAuARaMGCX1MIL/Ow13++9lW2s3mW9MWvsnWc/2fvGygwPAN4E8QzAA4CXAB6AHjG4JTHYI1ey3pcx6FHnEfhLDOIBKAmUBK6/ANUDTlROXAHd9EC1AAAAAElFTkSuQmCC\";\n\n// src/textures/smaa/areaImageDataURL.js\nvar areaImageDataURL_default = \"data:image/png;base64,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\";\n\n// src/effects/glsl/smaa.frag\nvar smaa_default = \"uniform sampler2D weightMap;varying vec2 vOffset0;varying vec2 vOffset1;void movec(const in bvec2 c,inout vec2 variable,const in vec2 value){if(c.x){variable.x=value.x;}if(c.y){variable.y=value.y;}}void movec(const in bvec4 c,inout vec4 variable,const in vec4 value){movec(c.xy,variable.xy,value.xy);movec(c.zw,variable.zw,value.zw);}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec4 a;a.x=texture2D(weightMap,vOffset0).a;a.y=texture2D(weightMap,vOffset1).g;a.wz=texture2D(weightMap,uv).rb;vec4 color=inputColor;if(dot(a,vec4(1.0))>=1e-5){bool h=max(a.x,a.z)>max(a.y,a.w);vec4 blendingOffset=vec4(0.0,a.y,0.0,a.w);vec2 blendingWeight=a.yw;movec(bvec4(h),blendingOffset,vec4(a.x,0.0,a.z,0.0));movec(bvec2(h),blendingWeight,a.xz);blendingWeight/=dot(blendingWeight,vec2(1.0));vec4 blendingCoord=blendingOffset*vec4(texelSize,-texelSize)+uv.xyxy;color=blendingWeight.x*texture2D(inputBuffer,blendingCoord.xy);color+=blendingWeight.y*texture2D(inputBuffer,blendingCoord.zw);}outputColor=color;}\";\n\n// src/effects/glsl/smaa.vert\nvar smaa_default2 = \"varying vec2 vOffset0;varying vec2 vOffset1;void mainSupport(const in vec2 uv){vOffset0=uv+texelSize*vec2(1.0,0.0);vOffset1=uv+texelSize*vec2(0.0,1.0);}\";\n\n// src/effects/SMAAEffect.js\nvar SMAAEffect = class extends Effect {\n /**\n * Constructs a new SMAA effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SRC] - The blend function of this effect.\n * @param {SMAAPreset} [options.preset=SMAAPreset.MEDIUM] - The quality preset.\n * @param {EdgeDetectionMode} [options.edgeDetectionMode=EdgeDetectionMode.COLOR] - The edge detection mode.\n * @param {PredicationMode} [options.predicationMode=PredicationMode.DISABLED] - The predication mode.\n */\n constructor({\n blendFunction = BlendFunction.SRC,\n preset = SMAAPreset.MEDIUM,\n edgeDetectionMode = EdgeDetectionMode.COLOR,\n predicationMode = PredicationMode.DISABLED\n } = {}) {\n super(\"SMAAEffect\", smaa_default, {\n vertexShader: smaa_default2,\n blendFunction,\n attributes: EffectAttribute.CONVOLUTION | EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"weightMap\", new Uniform37(null)]\n ])\n });\n let searchImage, areaImage;\n if (arguments.length > 1) {\n searchImage = arguments[0];\n areaImage = arguments[1];\n if (arguments.length > 2) {\n preset = arguments[2];\n }\n if (arguments.length > 3) {\n edgeDetectionMode = arguments[3];\n }\n }\n this.renderTargetEdges = new WebGLRenderTarget14(1, 1, { depthBuffer: false });\n this.renderTargetEdges.texture.name = \"SMAA.Edges\";\n this.renderTargetWeights = this.renderTargetEdges.clone();\n this.renderTargetWeights.texture.name = \"SMAA.Weights\";\n this.uniforms.get(\"weightMap\").value = this.renderTargetWeights.texture;\n this.clearPass = new ClearPass(true, false, false);\n this.clearPass.overrideClearColor = new Color7(0);\n this.clearPass.overrideClearAlpha = 1;\n this.edgeDetectionPass = new ShaderPass(new EdgeDetectionMaterial());\n this.edgeDetectionMaterial.edgeDetectionMode = edgeDetectionMode;\n this.edgeDetectionMaterial.predicationMode = predicationMode;\n this.weightsPass = new ShaderPass(new SMAAWeightsMaterial());\n const loadingManager = new LoadingManager();\n loadingManager.onLoad = () => {\n const searchTexture = new Texture3(searchImage);\n searchTexture.name = \"SMAA.Search\";\n searchTexture.magFilter = NearestFilter4;\n searchTexture.minFilter = NearestFilter4;\n searchTexture.generateMipmaps = false;\n searchTexture.needsUpdate = true;\n searchTexture.flipY = true;\n this.weightsMaterial.searchTexture = searchTexture;\n const areaTexture = new Texture3(areaImage);\n areaTexture.name = \"SMAA.Area\";\n areaTexture.magFilter = LinearFilter5;\n areaTexture.minFilter = LinearFilter5;\n areaTexture.generateMipmaps = false;\n areaTexture.needsUpdate = true;\n areaTexture.flipY = false;\n this.weightsMaterial.areaTexture = areaTexture;\n this.dispatchEvent({ type: \"load\" });\n };\n loadingManager.itemStart(\"search\");\n loadingManager.itemStart(\"area\");\n if (searchImage !== void 0 && areaImage !== void 0) {\n loadingManager.itemEnd(\"search\");\n loadingManager.itemEnd(\"area\");\n } else if (typeof Image !== \"undefined\") {\n searchImage = new Image();\n areaImage = new Image();\n searchImage.addEventListener(\"load\", () => loadingManager.itemEnd(\"search\"));\n areaImage.addEventListener(\"load\", () => loadingManager.itemEnd(\"area\"));\n searchImage.src = searchImageDataURL_default;\n areaImage.src = areaImageDataURL_default;\n }\n this.applyPreset(preset);\n }\n /**\n * The edges texture.\n *\n * @type {Texture}\n */\n get edgesTexture() {\n return this.renderTargetEdges.texture;\n }\n /**\n * Returns the edges texture.\n *\n * @deprecated Use edgesTexture instead.\n * @return {Texture} The texture.\n */\n getEdgesTexture() {\n return this.edgesTexture;\n }\n /**\n * The edge weights texture.\n *\n * @type {Texture}\n */\n get weightsTexture() {\n return this.renderTargetWeights.texture;\n }\n /**\n * Returns the edge weights texture.\n *\n * @deprecated Use weightsTexture instead.\n * @return {Texture} The texture.\n */\n getWeightsTexture() {\n return this.weightsTexture;\n }\n /**\n * The edge detection material.\n *\n * @type {EdgeDetectionMaterial}\n */\n get edgeDetectionMaterial() {\n return this.edgeDetectionPass.fullscreenMaterial;\n }\n /**\n * The edge detection material.\n *\n * @type {EdgeDetectionMaterial}\n * @deprecated Use edgeDetectionMaterial instead.\n */\n get colorEdgesMaterial() {\n return this.edgeDetectionMaterial;\n }\n /**\n * Returns the edge detection material.\n *\n * @deprecated Use edgeDetectionMaterial instead.\n * @return {EdgeDetectionMaterial} The material.\n */\n getEdgeDetectionMaterial() {\n return this.edgeDetectionMaterial;\n }\n /**\n * The edge weights material.\n *\n * @type {SMAAWeightsMaterial}\n */\n get weightsMaterial() {\n return this.weightsPass.fullscreenMaterial;\n }\n /**\n * Returns the edge weights material.\n *\n * @deprecated Use weightsMaterial instead.\n * @return {SMAAWeightsMaterial} The material.\n */\n getWeightsMaterial() {\n return this.weightsMaterial;\n }\n /**\n * Sets the edge detection sensitivity.\n *\n * See {@link EdgeDetectionMaterial#setEdgeDetectionThreshold} for more details.\n *\n * @deprecated Use edgeDetectionMaterial instead.\n * @param {Number} threshold - The edge detection sensitivity. Range: [0.05, 0.5].\n */\n setEdgeDetectionThreshold(threshold) {\n this.edgeDetectionMaterial.edgeDetectionThreshold = threshold;\n }\n /**\n * Sets the maximum amount of horizontal/vertical search steps.\n *\n * See {@link SMAAWeightsMaterial#setOrthogonalSearchSteps} for more details.\n *\n * @deprecated Use weightsMaterial instead.\n * @param {Number} steps - The search steps. Range: [0, 112].\n */\n setOrthogonalSearchSteps(steps) {\n this.weightsMaterial.orthogonalSearchSteps = steps;\n }\n /**\n * Applies the given quality preset.\n *\n * @param {SMAAPreset} preset - The preset.\n */\n applyPreset(preset) {\n const edgeDetectionMaterial = this.edgeDetectionMaterial;\n const weightsMaterial = this.weightsMaterial;\n switch (preset) {\n case SMAAPreset.LOW:\n edgeDetectionMaterial.edgeDetectionThreshold = 0.15;\n weightsMaterial.orthogonalSearchSteps = 4;\n weightsMaterial.diagonalDetection = false;\n weightsMaterial.cornerDetection = false;\n break;\n case SMAAPreset.MEDIUM:\n edgeDetectionMaterial.edgeDetectionThreshold = 0.1;\n weightsMaterial.orthogonalSearchSteps = 8;\n weightsMaterial.diagonalDetection = false;\n weightsMaterial.cornerDetection = false;\n break;\n case SMAAPreset.HIGH:\n edgeDetectionMaterial.edgeDetectionThreshold = 0.1;\n weightsMaterial.orthogonalSearchSteps = 16;\n weightsMaterial.diagonalSearchSteps = 8;\n weightsMaterial.cornerRounding = 25;\n weightsMaterial.diagonalDetection = true;\n weightsMaterial.cornerDetection = true;\n break;\n case SMAAPreset.ULTRA:\n edgeDetectionMaterial.edgeDetectionThreshold = 0.05;\n weightsMaterial.orthogonalSearchSteps = 32;\n weightsMaterial.diagonalSearchSteps = 16;\n weightsMaterial.cornerRounding = 25;\n weightsMaterial.diagonalDetection = true;\n weightsMaterial.cornerDetection = true;\n break;\n }\n }\n /**\n * Sets the depth texture.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking9) {\n this.edgeDetectionMaterial.depthBuffer = depthTexture;\n this.edgeDetectionMaterial.depthPacking = depthPacking;\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n this.clearPass.render(renderer, this.renderTargetEdges);\n this.edgeDetectionPass.render(renderer, inputBuffer, this.renderTargetEdges);\n this.weightsPass.render(renderer, this.renderTargetEdges, this.renderTargetWeights);\n }\n /**\n * Updates the size of internal render targets.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.edgeDetectionMaterial.setSize(width, height);\n this.weightsMaterial.setSize(width, height);\n this.renderTargetEdges.setSize(width, height);\n this.renderTargetWeights.setSize(width, height);\n }\n /**\n * Deletes internal render targets and textures.\n */\n dispose() {\n const { searchTexture, areaTexture } = this.weightsMaterial;\n if (searchTexture !== null && areaTexture !== null) {\n searchTexture.dispose();\n areaTexture.dispose();\n }\n super.dispose();\n }\n /**\n * The SMAA search image, encoded as a base64 data URL.\n *\n * @type {String}\n * @deprecated\n */\n static get searchImageDataURL() {\n return searchImageDataURL_default;\n }\n /**\n * The SMAA area image, encoded as a base64 data URL.\n *\n * @type {String}\n * @deprecated\n */\n static get areaImageDataURL() {\n return areaImageDataURL_default;\n }\n};\n\n// src/effects/SSAOEffect.js\nimport { BasicDepthPacking as BasicDepthPacking13, Color as Color8, RepeatWrapping as RepeatWrapping3, RGBAFormat as RGBAFormat4, Uniform as Uniform40, WebGLRenderTarget as WebGLRenderTarget16 } from \"three\";\n\n// src/materials/SSAOMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking10, Matrix4 as Matrix42, NoBlending as NoBlending15, PerspectiveCamera as PerspectiveCamera4, ShaderMaterial as ShaderMaterial16, Uniform as Uniform38, Vector2 as Vector220 } from \"three\";\n\n// src/materials/glsl/ssao.frag\nvar ssao_default = \"#include \\n#include \\n#ifdef NORMAL_DEPTH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){return texture2D(normalDepthBuffer,uv).a;}\\n#else\\nuniform lowp sampler2D normalBuffer;\\n#if DEPTH_PACKING == 3201\\nuniform lowp sampler2D depthBuffer;\\n#elif defined(GL_FRAGMENT_PRECISION_HIGH)\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}\\n#endif\\nuniform lowp sampler2D noiseTexture;uniform mat4 inverseProjectionMatrix;uniform mat4 projectionMatrix;uniform vec2 texelSize;uniform vec2 cameraNearFar;uniform float intensity;uniform float minRadiusScale;uniform float fade;uniform float bias;uniform vec2 distanceCutoff;uniform vec2 proximityCutoff;varying vec2 vUv;varying vec2 vUv2;float getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#endif\\n}vec3 getViewPosition(const in vec2 screenPosition,const in float depth,const in float viewZ){vec4 clipPosition=vec4(vec3(screenPosition,depth)*2.0-1.0,1.0);float clipW=projectionMatrix[2][3]*viewZ+projectionMatrix[3][3];clipPosition*=clipW;return(inverseProjectionMatrix*clipPosition).xyz;}float getAmbientOcclusion(const in vec3 p,const in vec3 n,const in float depth,const in vec2 uv){float radiusScale=1.0-smoothstep(0.0,distanceCutoff.y,depth);radiusScale=radiusScale*(1.0-minRadiusScale)+minRadiusScale;float radius=RADIUS*radiusScale;float noise=texture2D(noiseTexture,vUv2).r;float baseAngle=noise*PI2;float rings=SPIRAL_TURNS*PI2;float occlusion=0.0;int taps=0;for(int i=0;i1.0||coords.t<0.0||coords.t>1.0){continue;}float sampleDepth=readDepth(coords);float viewZ=getViewZ(sampleDepth);\\n#ifdef PERSPECTIVE_CAMERA\\nfloat linearSampleDepth=viewZToOrthographicDepth(viewZ,cameraNearFar.x,cameraNearFar.y);\\n#else\\nfloat linearSampleDepth=sampleDepth;\\n#endif\\nfloat proximity=abs(depth-linearSampleDepth);if(proximity\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\n#ifdef DOWNSAMPLE_NORMALS\\nuniform lowp sampler2D normalBuffer;\\n#endif\\nvarying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;float readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}int findBestDepth(const in float samples[4]){float c=(samples[0]+samples[1]+samples[2]+samples[3])*0.25;float distances[4];distances[0]=abs(c-samples[0]);distances[1]=abs(c-samples[1]);distances[2]=abs(c-samples[2]);distances[3]=abs(c-samples[3]);float maxDistance=max(max(distances[0],distances[1]),max(distances[2],distances[3]));int remaining[3];int rejected[3];int i,j,k;for(i=0,j=0,k=0;i<4;++i){if(distances[i] this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n /**\n * The normal(RGB) + depth(A) texture.\n *\n * @type {Texture}\n */\n get texture() {\n return this.renderTarget.texture;\n }\n /**\n * Returns the normal(RGB) + depth(A) texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.renderTarget.texture;\n }\n /**\n * Returns the resolution settings.\n *\n * @deprecated Use resolution instead.\n * @return {Resolution} The resolution.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * Sets the depth texture.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing strategy.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking12) {\n this.fullscreenMaterial.depthBuffer = depthTexture;\n this.fullscreenMaterial.depthPacking = depthPacking;\n }\n /**\n * Downsamples depth and scene normals.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n renderer.render(this.scene, this.camera);\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n this.fullscreenMaterial.setSize(width, height);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n const gl = renderer.getContext();\n const renderable = gl.getExtension(\"EXT_color_buffer_float\") || gl.getExtension(\"EXT_color_buffer_half_float\");\n if (!renderable) {\n throw new Error(\"Rendering to float texture is not supported.\");\n }\n }\n};\n\n// src/effects/glsl/ssao.frag\nvar ssao_default3 = \"uniform lowp sampler2D aoBuffer;uniform float luminanceInfluence;uniform float intensity;\\n#if defined(DEPTH_AWARE_UPSAMPLING) && defined(NORMAL_DEPTH)\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\n#endif\\n#ifdef COLORIZE\\nuniform vec3 color;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){float aoLinear=texture2D(aoBuffer,uv).r;\\n#if defined(DEPTH_AWARE_UPSAMPLING) && defined(NORMAL_DEPTH) && __VERSION__ == 300\\nvec4 normalDepth[4];normalDepth[0]=textureOffset(normalDepthBuffer,uv,ivec2(0,0));normalDepth[1]=textureOffset(normalDepthBuffer,uv,ivec2(0,1));normalDepth[2]=textureOffset(normalDepthBuffer,uv,ivec2(1,0));normalDepth[3]=textureOffset(normalDepthBuffer,uv,ivec2(1,1));float dot01=dot(normalDepth[0].rgb,normalDepth[1].rgb);float dot02=dot(normalDepth[0].rgb,normalDepth[2].rgb);float dot03=dot(normalDepth[0].rgb,normalDepth[3].rgb);float minDot=min(dot01,min(dot02,dot03));float s=step(THRESHOLD,minDot);float smallestDistance=1.0;int index;for(int i=0;i<4;++i){float distance=abs(depth-normalDepth[i].a);if(distance this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.camera = camera;\n this.depthDownsamplingPass = new DepthDownsamplingPass({ normalBuffer, resolutionScale });\n this.depthDownsamplingPass.enabled = normalDepthBuffer === null;\n this.ssaoPass = new ShaderPass(new SSAOMaterial(camera));\n const noiseTexture = new NoiseTexture(NOISE_TEXTURE_SIZE, NOISE_TEXTURE_SIZE, RGBAFormat4);\n noiseTexture.wrapS = noiseTexture.wrapT = RepeatWrapping3;\n const ssaoMaterial = this.ssaoMaterial;\n ssaoMaterial.normalBuffer = normalBuffer;\n ssaoMaterial.noiseTexture = noiseTexture;\n ssaoMaterial.minRadiusScale = minRadiusScale;\n ssaoMaterial.samples = samples;\n ssaoMaterial.radius = radius;\n ssaoMaterial.rings = rings;\n ssaoMaterial.fade = fade;\n ssaoMaterial.bias = bias;\n ssaoMaterial.distanceThreshold = distanceThreshold;\n ssaoMaterial.distanceFalloff = distanceFalloff;\n ssaoMaterial.proximityThreshold = rangeThreshold;\n ssaoMaterial.proximityFalloff = rangeFalloff;\n if (worldDistanceThreshold !== void 0) {\n ssaoMaterial.worldDistanceThreshold = worldDistanceThreshold;\n }\n if (worldDistanceFalloff !== void 0) {\n ssaoMaterial.worldDistanceFalloff = worldDistanceFalloff;\n }\n if (worldProximityThreshold !== void 0) {\n ssaoMaterial.worldProximityThreshold = worldProximityThreshold;\n }\n if (worldProximityFalloff !== void 0) {\n ssaoMaterial.worldProximityFalloff = worldProximityFalloff;\n }\n if (normalDepthBuffer !== null) {\n this.ssaoMaterial.normalDepthBuffer = normalDepthBuffer;\n this.defines.set(\"NORMAL_DEPTH\", \"1\");\n }\n this.depthAwareUpsampling = depthAwareUpsampling;\n this.color = color2;\n }\n set mainCamera(value) {\n this.camera = value;\n this.ssaoMaterial.copyCameraSettings(value);\n }\n /**\n * Sets the normal buffer.\n *\n * @type {Texture}\n */\n get normalBuffer() {\n return this.ssaoMaterial.normalBuffer;\n }\n set normalBuffer(value) {\n this.ssaoMaterial.normalBuffer = value;\n this.depthDownsamplingPass.fullscreenMaterial.normalBuffer = value;\n }\n /**\n * Returns the resolution settings.\n *\n * @deprecated Use resolution instead.\n * @return {Resolution} The resolution.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * The SSAO material.\n *\n * @type {SSAOMaterial}\n */\n get ssaoMaterial() {\n return this.ssaoPass.fullscreenMaterial;\n }\n /**\n * Returns the SSAO material.\n *\n * @deprecated Use ssaoMaterial instead.\n * @return {SSAOMaterial} The material.\n */\n getSSAOMaterial() {\n return this.ssaoMaterial;\n }\n /**\n * The amount of occlusion samples per pixel.\n *\n * @type {Number}\n * @deprecated Use ssaoMaterial.samples instead.\n */\n get samples() {\n return this.ssaoMaterial.samples;\n }\n set samples(value) {\n this.ssaoMaterial.samples = value;\n }\n /**\n * The amount of spiral turns in the occlusion sampling pattern.\n *\n * @type {Number}\n * @deprecated Use ssaoMaterial.rings instead.\n */\n get rings() {\n return this.ssaoMaterial.rings;\n }\n set rings(value) {\n this.ssaoMaterial.rings = value;\n }\n /**\n * The occlusion sampling radius.\n *\n * @type {Number}\n * @deprecated Use ssaoMaterial.radius instead.\n */\n get radius() {\n return this.ssaoMaterial.radius;\n }\n set radius(value) {\n this.ssaoMaterial.radius = value;\n }\n /**\n * Indicates whether depth-aware upsampling is enabled.\n *\n * @type {Boolean}\n */\n get depthAwareUpsampling() {\n return this.defines.has(\"DEPTH_AWARE_UPSAMPLING\");\n }\n set depthAwareUpsampling(value) {\n if (this.depthAwareUpsampling !== value) {\n if (value) {\n this.defines.set(\"DEPTH_AWARE_UPSAMPLING\", \"1\");\n } else {\n this.defines.delete(\"DEPTH_AWARE_UPSAMPLING\");\n }\n this.setChanged();\n }\n }\n /**\n * Indicates whether depth-aware upsampling is enabled.\n *\n * @deprecated Use depthAwareUpsampling instead.\n * @return {Boolean} Whether depth-aware upsampling is enabled.\n */\n isDepthAwareUpsamplingEnabled() {\n return this.depthAwareUpsampling;\n }\n /**\n * Enables or disables depth-aware upsampling.\n *\n * @deprecated Use depthAwareUpsampling instead.\n * @param {Boolean} value - Whether depth-aware upsampling should be enabled.\n */\n setDepthAwareUpsamplingEnabled(value) {\n this.depthAwareUpsampling = value;\n }\n /**\n * Indicates whether distance-based radius scaling is enabled.\n *\n * @type {Boolean}\n * @deprecated\n */\n get distanceScaling() {\n return true;\n }\n set distanceScaling(value) {\n }\n /**\n * The color of the ambient occlusion. Set to `null` to disable.\n *\n * @type {Color}\n */\n get color() {\n return this.uniforms.get(\"color\").value;\n }\n set color(value) {\n const uniforms = this.uniforms;\n const defines = this.defines;\n if (value !== null) {\n if (defines.has(\"COLORIZE\")) {\n uniforms.get(\"color\").value.set(value);\n } else {\n defines.set(\"COLORIZE\", \"1\");\n uniforms.get(\"color\").value = new Color8(value);\n this.setChanged();\n }\n } else if (defines.has(\"COLORIZE\")) {\n defines.delete(\"COLORIZE\");\n uniforms.get(\"color\").value = null;\n this.setChanged();\n }\n }\n /**\n * The luminance influence factor. Range: [0.0, 1.0].\n *\n * @type {Boolean}\n */\n get luminanceInfluence() {\n return this.uniforms.get(\"luminanceInfluence\").value;\n }\n set luminanceInfluence(value) {\n this.uniforms.get(\"luminanceInfluence\").value = value;\n }\n /**\n * The intensity.\n *\n * @type {Number}\n */\n get intensity() {\n return this.uniforms.get(\"intensity\").value;\n }\n set intensity(value) {\n this.uniforms.get(\"intensity\").value = value;\n }\n /**\n * Returns the color of the ambient occlusion.\n *\n * @deprecated Use color instead.\n * @return {Color} The color.\n */\n getColor() {\n return this.color;\n }\n /**\n * Sets the color of the ambient occlusion. Set to `null` to disable colorization.\n *\n * @deprecated Use color instead.\n * @param {Color} value - The color.\n */\n setColor(value) {\n this.color = value;\n }\n /**\n * Sets the occlusion distance cutoff.\n *\n * @deprecated Use ssaoMaterial instead.\n * @param {Number} threshold - The distance threshold. Range [0.0, 1.0].\n * @param {Number} falloff - The falloff. Range [0.0, 1.0].\n */\n setDistanceCutoff(threshold, falloff) {\n this.ssaoMaterial.distanceThreshold = threshold;\n this.ssaoMaterial.distanceFalloff = falloff;\n }\n /**\n * Sets the occlusion proximity cutoff.\n *\n * @deprecated Use ssaoMaterial instead.\n * @param {Number} threshold - The proximity threshold. Range [0.0, 1.0].\n * @param {Number} falloff - The falloff. Range [0.0, 1.0].\n */\n setProximityCutoff(threshold, falloff) {\n this.ssaoMaterial.proximityThreshold = threshold;\n this.ssaoMaterial.proximityFalloff = falloff;\n }\n /**\n * Sets the depth texture.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking13) {\n this.depthDownsamplingPass.setDepthTexture(depthTexture, depthPacking);\n this.ssaoMaterial.depthBuffer = depthTexture;\n this.ssaoMaterial.depthPacking = depthPacking;\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n const renderTarget = this.renderTarget;\n if (this.depthDownsamplingPass.enabled) {\n this.depthDownsamplingPass.render(renderer);\n }\n this.ssaoPass.render(renderer, null, renderTarget);\n }\n /**\n * Sets the size.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.ssaoMaterial.copyCameraSettings(this.camera);\n this.ssaoMaterial.setSize(w, h);\n this.renderTarget.setSize(w, h);\n this.depthDownsamplingPass.resolution.scale = resolution.scale;\n this.depthDownsamplingPass.setSize(width, height);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n try {\n let normalDepthBuffer = this.uniforms.get(\"normalDepthBuffer\").value;\n if (normalDepthBuffer === null) {\n this.depthDownsamplingPass.initialize(renderer, alpha, frameBufferType);\n normalDepthBuffer = this.depthDownsamplingPass.texture;\n this.uniforms.get(\"normalDepthBuffer\").value = normalDepthBuffer;\n this.ssaoMaterial.normalDepthBuffer = normalDepthBuffer;\n this.defines.set(\"NORMAL_DEPTH\", \"1\");\n }\n } catch (e) {\n this.depthDownsamplingPass.enabled = false;\n }\n }\n};\n\n// src/effects/TextureEffect.js\nimport { Uniform as Uniform41, UnsignedByteType as UnsignedByteType12 } from \"three\";\n\n// src/effects/glsl/texture.frag\nvar texture_default = \"#ifdef TEXTURE_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nvarying vec2 vUv2;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){\\n#ifdef UV_TRANSFORM\\nvec4 texel=texture2D(map,vUv2);\\n#else\\nvec4 texel=texture2D(map,uv);\\n#endif\\noutputColor=TEXEL;}\";\n\n// src/effects/glsl/texture.vert\nvar texture_default2 = \"#ifdef ASPECT_CORRECTION\\nuniform float scale;\\n#else\\nuniform mat3 uvTransform;\\n#endif\\nvarying vec2 vUv2;void mainSupport(const in vec2 uv){\\n#ifdef ASPECT_CORRECTION\\nvUv2=uv*vec2(aspect,1.0)*scale;\\n#else\\nvUv2=(uvTransform*vec3(uv,1.0)).xy;\\n#endif\\n}\";\n\n// src/effects/TextureEffect.js\nvar TextureEffect = class extends Effect {\n /**\n * Constructs a new texture effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction] - The blend function of this effect.\n * @param {Texture} [options.texture] - A texture.\n * @param {Boolean} [options.aspectCorrection=false] - Deprecated. Adjust the texture's offset, repeat and center instead.\n */\n constructor({ blendFunction, texture = null, aspectCorrection = false } = {}) {\n super(\"TextureEffect\", texture_default, {\n blendFunction,\n defines: /* @__PURE__ */ new Map([\n [\"TEXEL\", \"texel\"]\n ]),\n uniforms: /* @__PURE__ */ new Map([\n [\"map\", new Uniform41(null)],\n [\"scale\", new Uniform41(1)],\n [\"uvTransform\", new Uniform41(null)]\n ])\n });\n this.texture = texture;\n this.aspectCorrection = aspectCorrection;\n }\n /**\n * The texture.\n *\n * @type {Texture}\n */\n get texture() {\n return this.uniforms.get(\"map\").value;\n }\n set texture(value) {\n const prevTexture = this.texture;\n const uniforms = this.uniforms;\n const defines = this.defines;\n if (prevTexture !== value) {\n uniforms.get(\"map\").value = value;\n uniforms.get(\"uvTransform\").value = value.matrix;\n defines.delete(\"TEXTURE_PRECISION_HIGH\");\n if (value !== null) {\n if (value.matrixAutoUpdate) {\n defines.set(\"UV_TRANSFORM\", \"1\");\n this.setVertexShader(texture_default2);\n } else {\n defines.delete(\"UV_TRANSFORM\");\n this.setVertexShader(null);\n }\n if (value.type !== UnsignedByteType12) {\n defines.set(\"TEXTURE_PRECISION_HIGH\", \"1\");\n }\n if (prevTexture === null || prevTexture.type !== value.type || prevTexture.encoding !== value.encoding) {\n this.setChanged();\n }\n }\n }\n }\n /**\n * Returns the texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.texture;\n }\n /**\n * Sets the texture.\n *\n * @deprecated Use texture instead.\n * @param {Texture} value - The texture.\n */\n setTexture(value) {\n this.texture = value;\n }\n /**\n * Indicates whether aspect correction is enabled.\n *\n * @type {Number}\n * @deprecated Adjust the texture's offset, repeat, rotation and center instead.\n */\n get aspectCorrection() {\n return this.defines.has(\"ASPECT_CORRECTION\");\n }\n set aspectCorrection(value) {\n if (this.aspectCorrection !== value) {\n if (value) {\n this.defines.set(\"ASPECT_CORRECTION\", \"1\");\n } else {\n this.defines.delete(\"ASPECT_CORRECTION\");\n }\n this.setChanged();\n }\n }\n /**\n * Indicates whether the texture UV coordinates will be transformed using the transformation matrix of the texture.\n *\n * @type {Boolean}\n * @deprecated Use texture.matrixAutoUpdate instead.\n */\n get uvTransform() {\n const texture = this.texture;\n return texture !== null && texture.matrixAutoUpdate;\n }\n set uvTransform(value) {\n const texture = this.texture;\n if (texture !== null) {\n texture.matrixAutoUpdate = value;\n }\n }\n /**\n * Sets the swizzles that will be applied to the components of a texel before it is written to the output color.\n *\n * @param {ColorChannel} r - The swizzle for the `r` component.\n * @param {ColorChannel} [g=r] - The swizzle for the `g` component.\n * @param {ColorChannel} [b=r] - The swizzle for the `b` component.\n * @param {ColorChannel} [a=r] - The swizzle for the `a` component.\n */\n setTextureSwizzleRGBA(r, g = r, b = r, a = r) {\n const rgba = \"rgba\";\n let swizzle = \"\";\n if (r !== ColorChannel.RED || g !== ColorChannel.GREEN || b !== ColorChannel.BLUE || a !== ColorChannel.ALPHA) {\n swizzle = [\".\", rgba[r], rgba[g], rgba[b], rgba[a]].join(\"\");\n }\n this.defines.set(\"TEXEL\", \"texel\" + swizzle);\n this.setChanged();\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n if (this.texture.matrixAutoUpdate) {\n this.texture.updateMatrix();\n }\n }\n};\n\n// src/effects/TiltShiftEffect.js\nimport { SRGBColorSpace as SRGBColorSpace12, Uniform as Uniform43, Vector2 as Vector223, WebGLRenderTarget as WebGLRenderTarget17 } from \"three\";\n\n// src/materials/TiltShiftBlurMaterial.js\nimport { Uniform as Uniform42, Vector2 as Vector222, Vector4 as Vector44 } from \"three\";\n\n// src/materials/glsl/convolution.tilt-shift.frag\nvar convolution_tilt_shift_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform vec4 maskParams;varying vec2 vUv;varying vec2 vUv2;varying vec2 vOffset;float linearGradientMask(const in float x){return smoothstep(maskParams.x,maskParams.y,x)-smoothstep(maskParams.w,maskParams.z,x);}void main(){vec2 dUv=vOffset*(1.0-linearGradientMask(vUv2.y));vec4 sum=texture2D(inputBuffer,vec2(vUv.x-dUv.x,vUv.y+dUv.y));sum+=texture2D(inputBuffer,vec2(vUv.x+dUv.x,vUv.y+dUv.y));sum+=texture2D(inputBuffer,vec2(vUv.x+dUv.x,vUv.y-dUv.y));sum+=texture2D(inputBuffer,vec2(vUv.x-dUv.x,vUv.y-dUv.y));gl_FragColor=sum*0.25;\\n#include \\n}\";\n\n// src/materials/glsl/convolution.tilt-shift.vert\nvar convolution_tilt_shift_default2 = \"uniform vec4 texelSize;uniform float kernel;uniform float scale;uniform float aspect;uniform vec2 rotation;varying vec2 vUv;varying vec2 vUv2;varying vec2 vOffset;void main(){vec2 uv=position.xy*0.5+0.5;vUv=uv;vUv2=(uv-0.5)*2.0*vec2(aspect,1.0);vUv2=vec2(dot(rotation,vUv2),dot(rotation,vec2(vUv2.y,-vUv2.x)));vOffset=(texelSize.xy*vec2(kernel)+texelSize.zw)*scale;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/TiltShiftBlurMaterial.js\nvar TiltShiftBlurMaterial = class extends KawaseBlurMaterial {\n /**\n * Constructs a new tilt shift blur material.\n *\n * @param {Object} [options] - The options.\n * @param {Number} [options.offset=0.0] - The relative offset of the focus area.\n * @param {Number} [options.rotation=0.0] - The rotation of the focus area in radians.\n * @param {Number} [options.focusArea=0.4] - The relative size of the focus area.\n * @param {Number} [options.feather=0.3] - The softness of the focus area edges.\n */\n constructor({\n kernelSize = KernelSize.MEDIUM,\n offset = 0,\n rotation = 0,\n focusArea = 0.4,\n feather = 0.3\n } = {}) {\n super();\n this.fragmentShader = convolution_tilt_shift_default;\n this.vertexShader = convolution_tilt_shift_default2;\n this.kernelSize = kernelSize;\n this.uniforms.aspect = new Uniform42(1);\n this.uniforms.rotation = new Uniform42(new Vector222());\n this.uniforms.maskParams = new Uniform42(new Vector44());\n this._offset = offset;\n this._focusArea = focusArea;\n this._feather = feather;\n this.rotation = rotation;\n this.updateParams();\n }\n /**\n * The relative offset of the focus area.\n *\n * @private\n */\n updateParams() {\n const params = this.uniforms.maskParams.value;\n const a = Math.max(this.focusArea, 0);\n const b = Math.max(a - this.feather, 0);\n params.set(\n this.offset - a,\n this.offset - b,\n this.offset + a,\n this.offset + b\n );\n }\n /**\n * The rotation of the focus area in radians.\n *\n * @type {Number}\n */\n get rotation() {\n return Math.acos(this.uniforms.rotation.value.x);\n }\n set rotation(value) {\n this.uniforms.rotation.value.set(Math.cos(value), Math.sin(value));\n }\n /**\n * The relative offset of the focus area.\n *\n * @type {Number}\n */\n get offset() {\n return this._offset;\n }\n set offset(value) {\n this._offset = value;\n this.updateParams();\n }\n /**\n * The relative size of the focus area.\n *\n * @type {Number}\n */\n get focusArea() {\n return this._focusArea;\n }\n set focusArea(value) {\n this._focusArea = value;\n this.updateParams();\n }\n /**\n * The softness of the focus area edges.\n *\n * @type {Number}\n */\n get feather() {\n return this._feather;\n }\n set feather(value) {\n this._feather = value;\n this.updateParams();\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n super.setSize(width, height);\n this.uniforms.aspect.value = width / height;\n }\n};\n\n// src/passes/TiltShiftBlurPass.js\nvar TiltShiftBlurPass = class extends KawaseBlurPass {\n /**\n * Constructs a new Kawase blur pass.\n *\n * @param {Object} [options] - The options.\n * @param {Number} [options.offset=0.0] - The relative offset of the focus area.\n * @param {Number} [options.rotation=0.0] - The rotation of the focus area in radians.\n * @param {Number} [options.focusArea=0.4] - The relative size of the focus area.\n * @param {Number} [options.feather=0.3] - The softness of the focus area edges.\n * @param {KernelSize} [options.kernelSize=KernelSize.MEDIUM] - The blur kernel size.\n * @param {Number} [options.resolutionScale=0.5] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n */\n constructor({\n offset = 0,\n rotation = 0,\n focusArea = 0.4,\n feather = 0.3,\n kernelSize = KernelSize.MEDIUM,\n resolutionScale = 0.5,\n resolutionX = Resolution.AUTO_SIZE,\n resolutionY = Resolution.AUTO_SIZE\n } = {}) {\n super({ kernelSize, resolutionScale, resolutionX, resolutionY });\n this.blurMaterial = new TiltShiftBlurMaterial({ kernelSize, offset, rotation, focusArea, feather });\n }\n};\n\n// src/effects/glsl/tilt-shift.frag\nvar tilt_shift_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nuniform vec2 maskParams;varying vec2 vUv2;float linearGradientMask(const in float x){return step(maskParams.x,x)-step(maskParams.y,x);}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){float mask=linearGradientMask(vUv2.y);vec4 texel=texture2D(map,uv);outputColor=mix(texel,inputColor,mask);}\";\n\n// src/effects/glsl/tilt-shift.vert\nvar tilt_shift_default2 = \"uniform vec2 rotation;varying vec2 vUv2;void mainSupport(const in vec2 uv){vUv2=(uv-0.5)*2.0*vec2(aspect,1.0);vUv2=vec2(dot(rotation,vUv2),dot(rotation,vec2(vUv2.y,-vUv2.x)));}\";\n\n// src/effects/TiltShiftEffect.js\nvar TiltShiftEffect = class extends Effect {\n /**\n * Constructs a new tilt shift Effect\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction] - The blend function of this effect.\n * @param {Number} [options.offset=0.0] - The relative offset of the focus area.\n * @param {Number} [options.rotation=0.0] - The rotation of the focus area in radians.\n * @param {Number} [options.focusArea=0.4] - The relative size of the focus area.\n * @param {Number} [options.feather=0.3] - The softness of the focus area edges.\n * @param {Number} [options.bias=0.06] - Deprecated.\n * @param {KernelSize} [options.kernelSize=KernelSize.MEDIUM] - The blur kernel size.\n * @param {Number} [options.resolutionScale=0.5] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n */\n constructor({\n blendFunction,\n offset = 0,\n rotation = 0,\n focusArea = 0.4,\n feather = 0.3,\n kernelSize = KernelSize.MEDIUM,\n resolutionScale = 0.5,\n resolutionX = Resolution.AUTO_SIZE,\n resolutionY = Resolution.AUTO_SIZE\n } = {}) {\n super(\"TiltShiftEffect\", tilt_shift_default, {\n vertexShader: tilt_shift_default2,\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"rotation\", new Uniform43(new Vector223())],\n [\"maskParams\", new Uniform43(new Vector223())],\n [\"map\", new Uniform43(null)]\n ])\n });\n this._offset = offset;\n this._focusArea = focusArea;\n this._feather = feather;\n this.renderTarget = new WebGLRenderTarget17(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"TiltShift.Target\";\n this.uniforms.get(\"map\").value = this.renderTarget.texture;\n this.blurPass = new TiltShiftBlurPass({\n kernelSize,\n resolutionScale,\n resolutionX,\n resolutionY,\n offset,\n rotation,\n focusArea,\n feather\n });\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.rotation = rotation;\n this.updateParams();\n }\n /**\n * Updates the mask params.\n *\n * @private\n */\n updateParams() {\n const params = this.uniforms.get(\"maskParams\").value;\n const x = Math.max(this.focusArea - this.feather, 0);\n params.set(this.offset - x, this.offset + x);\n }\n /**\n * The rotation of the focus area in radians.\n *\n * @type {Number}\n */\n get rotation() {\n return Math.acos(this.uniforms.get(\"rotation\").value.x);\n }\n set rotation(value) {\n this.uniforms.get(\"rotation\").value.set(Math.cos(value), Math.sin(value));\n this.blurPass.blurMaterial.rotation = value;\n }\n /**\n * The relative offset of the focus area.\n *\n * @type {Number}\n */\n get offset() {\n return this._offset;\n }\n set offset(value) {\n this._offset = value;\n this.blurPass.blurMaterial.offset = value;\n this.updateParams();\n }\n /**\n * The relative size of the focus area.\n *\n * @type {Number}\n */\n get focusArea() {\n return this._focusArea;\n }\n set focusArea(value) {\n this._focusArea = value;\n this.blurPass.blurMaterial.focusArea = value;\n this.updateParams();\n }\n /**\n * The softness of the focus area edges.\n *\n * @type {Number}\n */\n get feather() {\n return this._feather;\n }\n set feather(value) {\n this._feather = value;\n this.blurPass.blurMaterial.feather = value;\n this.updateParams();\n }\n /**\n * A blend bias.\n *\n * @type {Number}\n * @deprecated\n */\n get bias() {\n return 0;\n }\n set bias(value) {\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n this.blurPass.render(renderer, inputBuffer, this.renderTarget);\n }\n /**\n * Updates the size of internal render targets.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n this.blurPass.resolution.copy(resolution);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n this.blurPass.initialize(renderer, alpha, frameBufferType);\n if (frameBufferType !== void 0) {\n this.renderTarget.texture.type = frameBufferType;\n if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace12) {\n this.renderTarget.texture.colorSpace = SRGBColorSpace12;\n }\n }\n }\n};\n\n// src/effects/ToneMappingEffect.js\nimport { LinearMipmapLinearFilter, REVISION as REVISION3, Uniform as Uniform45, WebGLRenderTarget as WebGLRenderTarget19 } from \"three\";\n\n// src/passes/AdaptiveLuminancePass.js\nimport { NearestFilter as NearestFilter6, WebGLRenderTarget as WebGLRenderTarget18 } from \"three\";\n\n// src/materials/AdaptiveLuminanceMaterial.js\nimport { NoBlending as NoBlending17, ShaderMaterial as ShaderMaterial18, Uniform as Uniform44 } from \"three\";\n\n// src/materials/glsl/adaptive-luminance.frag\nvar adaptive_luminance_default = \"#include \\n#define packFloatToRGBA(v) packDepthToRGBA(v)\\n#define unpackRGBAToFloat(v) unpackRGBAToDepth(v)\\nuniform lowp sampler2D luminanceBuffer0;uniform lowp sampler2D luminanceBuffer1;uniform float minLuminance;uniform float deltaTime;uniform float tau;varying vec2 vUv;void main(){float l0=unpackRGBAToFloat(texture2D(luminanceBuffer0,vUv));\\n#if __VERSION__ < 300\\nfloat l1=texture2DLodEXT(luminanceBuffer1,vUv,MIP_LEVEL_1X1).r;\\n#else\\nfloat l1=textureLod(luminanceBuffer1,vUv,MIP_LEVEL_1X1).r;\\n#endif\\nl0=max(minLuminance,l0);l1=max(minLuminance,l1);float adaptedLum=l0+(l1-l0)*(1.0-exp(-deltaTime*tau));gl_FragColor=(adaptedLum==1.0)?vec4(1.0):packFloatToRGBA(adaptedLum);}\";\n\n// src/materials/AdaptiveLuminanceMaterial.js\nvar AdaptiveLuminanceMaterial = class extends ShaderMaterial18 {\n /**\n * Constructs a new adaptive luminance material.\n */\n constructor() {\n super({\n name: \"AdaptiveLuminanceMaterial\",\n defines: {\n MIP_LEVEL_1X1: \"0.0\"\n },\n uniforms: {\n luminanceBuffer0: new Uniform44(null),\n luminanceBuffer1: new Uniform44(null),\n minLuminance: new Uniform44(0.01),\n deltaTime: new Uniform44(0),\n tau: new Uniform44(1)\n },\n extensions: {\n shaderTextureLOD: true\n },\n blending: NoBlending17,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: adaptive_luminance_default,\n vertexShader: common_default\n });\n }\n /**\n * The primary luminance buffer that contains the downsampled average luminance.\n *\n * @type {Texture}\n */\n set luminanceBuffer0(value) {\n this.uniforms.luminanceBuffer0.value = value;\n }\n /**\n * Sets the primary luminance buffer that contains the downsampled average luminance.\n *\n * @deprecated Use luminanceBuffer0 instead.\n * @param {Texture} value - The buffer.\n */\n setLuminanceBuffer0(value) {\n this.uniforms.luminanceBuffer0.value = value;\n }\n /**\n * The secondary luminance buffer.\n *\n * @type {Texture}\n */\n set luminanceBuffer1(value) {\n this.uniforms.luminanceBuffer1.value = value;\n }\n /**\n * Sets the secondary luminance buffer.\n *\n * @deprecated Use luminanceBuffer1 instead.\n * @param {Texture} value - The buffer.\n */\n setLuminanceBuffer1(value) {\n this.uniforms.luminanceBuffer1.value = value;\n }\n /**\n * The 1x1 mipmap level.\n *\n * This level is used to identify the smallest mipmap of the primary luminance buffer.\n *\n * @type {Number}\n */\n set mipLevel1x1(value) {\n this.defines.MIP_LEVEL_1X1 = value.toFixed(1);\n this.needsUpdate = true;\n }\n /**\n * Sets the 1x1 mipmap level.\n *\n * @deprecated Use mipLevel1x1 instead.\n * @param {Number} value - The level.\n */\n setMipLevel1x1(value) {\n this.mipLevel1x1 = value;\n }\n /**\n * The delta time.\n *\n * @type {Number}\n */\n set deltaTime(value) {\n this.uniforms.deltaTime.value = value;\n }\n /**\n * Sets the delta time.\n *\n * @deprecated Use deltaTime instead.\n * @param {Number} value - The delta time.\n */\n setDeltaTime(value) {\n this.uniforms.deltaTime.value = value;\n }\n /**\n * The lowest possible luminance value.\n *\n * @type {Number}\n */\n get minLuminance() {\n return this.uniforms.minLuminance.value;\n }\n set minLuminance(value) {\n this.uniforms.minLuminance.value = value;\n }\n /**\n * Returns the lowest possible luminance value.\n *\n * @deprecated Use minLuminance instead.\n * @return {Number} The minimum luminance.\n */\n getMinLuminance() {\n return this.uniforms.minLuminance.value;\n }\n /**\n * Sets the minimum luminance.\n *\n * @deprecated Use minLuminance instead.\n * @param {Number} value - The minimum luminance.\n */\n setMinLuminance(value) {\n this.uniforms.minLuminance.value = value;\n }\n /**\n * The luminance adaptation rate.\n *\n * @type {Number}\n */\n get adaptationRate() {\n return this.uniforms.tau.value;\n }\n set adaptationRate(value) {\n this.uniforms.tau.value = value;\n }\n /**\n * Returns the luminance adaptation rate.\n *\n * @deprecated Use adaptationRate instead.\n * @return {Number} The adaptation rate.\n */\n getAdaptationRate() {\n return this.uniforms.tau.value;\n }\n /**\n * Sets the luminance adaptation rate.\n *\n * @deprecated Use adaptationRate instead.\n * @param {Number} value - The adaptation rate.\n */\n setAdaptationRate(value) {\n this.uniforms.tau.value = value;\n }\n};\n\n// src/passes/AdaptiveLuminancePass.js\nvar AdaptiveLuminancePass = class extends Pass {\n /**\n * Constructs a new adaptive luminance pass.\n *\n * @param {Texture} luminanceBuffer - A buffer that contains the current scene luminance.\n * @param {Object} [options] - The options.\n * @param {Number} [options.minLuminance=0.01] - The minimum luminance.\n * @param {Number} [options.adaptationRate=1.0] - The luminance adaptation rate.\n */\n constructor(luminanceBuffer, { minLuminance = 0.01, adaptationRate = 1 } = {}) {\n super(\"AdaptiveLuminancePass\");\n this.fullscreenMaterial = new AdaptiveLuminanceMaterial();\n this.needsSwap = false;\n this.renderTargetPrevious = new WebGLRenderTarget18(1, 1, {\n minFilter: NearestFilter6,\n magFilter: NearestFilter6,\n depthBuffer: false\n });\n this.renderTargetPrevious.texture.name = \"Luminance.Previous\";\n const material = this.fullscreenMaterial;\n material.luminanceBuffer0 = this.renderTargetPrevious.texture;\n material.luminanceBuffer1 = luminanceBuffer;\n material.minLuminance = minLuminance;\n material.adaptationRate = adaptationRate;\n this.renderTargetAdapted = this.renderTargetPrevious.clone();\n this.renderTargetAdapted.texture.name = \"Luminance.Adapted\";\n this.copyPass = new CopyPass(this.renderTargetPrevious, false);\n }\n /**\n * The adaptive luminance texture.\n *\n * @type {Texture}\n */\n get texture() {\n return this.renderTargetAdapted.texture;\n }\n /**\n * Returns the adaptive 1x1 luminance texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.renderTargetAdapted.texture;\n }\n /**\n * Sets the 1x1 mipmap level.\n *\n * This level is used to identify the smallest mipmap of the main luminance texture which contains the downsampled\n * average scene luminance.\n *\n * @type {Number}\n * @deprecated Use fullscreenMaterial.mipLevel1x1 instead.\n */\n set mipLevel1x1(value) {\n this.fullscreenMaterial.mipLevel1x1 = value;\n }\n /**\n * The luminance adaptation rate.\n *\n * @type {Number}\n * @deprecated Use fullscreenMaterial.adaptationRate instead.\n */\n get adaptationRate() {\n return this.fullscreenMaterial.adaptationRate;\n }\n /**\n * @type {Number}\n * @deprecated Use fullscreenMaterial.adaptationRate instead.\n */\n set adaptationRate(value) {\n this.fullscreenMaterial.adaptationRate = value;\n }\n /**\n * Renders the scene normals.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n this.fullscreenMaterial.deltaTime = deltaTime;\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTargetAdapted);\n renderer.render(this.scene, this.camera);\n this.copyPass.render(renderer, this.renderTargetAdapted);\n }\n};\n\n// src/effects/glsl/tone-mapping.frag\nvar tone_mapping_default = \"#include \\nuniform float whitePoint;\\n#if TONE_MAPPING_MODE == 2 || TONE_MAPPING_MODE == 3\\nuniform float middleGrey;\\n#if TONE_MAPPING_MODE == 3\\nuniform lowp sampler2D luminanceBuffer;\\n#else\\nuniform float averageLuminance;\\n#endif\\nvec3 Reinhard2ToneMapping(vec3 color){color*=toneMappingExposure;float l=luminance(color);\\n#if TONE_MAPPING_MODE == 3\\nfloat lumAvg=unpackRGBAToFloat(texture2D(luminanceBuffer,vec2(0.5)));\\n#else\\nfloat lumAvg=averageLuminance;\\n#endif\\nfloat lumScaled=(l*middleGrey)/max(lumAvg,1e-6);float lumCompressed=lumScaled*(1.0+lumScaled/(whitePoint*whitePoint));lumCompressed/=(1.0+lumScaled);return clamp(lumCompressed*color,0.0,1.0);}\\n#elif TONE_MAPPING_MODE == 4\\n#define A 0.15\\n#define B 0.50\\n#define C 0.10\\n#define D 0.20\\n#define E 0.02\\n#define F 0.30\\nvec3 Uncharted2Helper(const in vec3 x){return((x*(A*x+C*B)+D*E)/(x*(A*x+B)+D*F))-E/F;}vec3 Uncharted2ToneMapping(vec3 color){color*=toneMappingExposure;return clamp(Uncharted2Helper(color)/Uncharted2Helper(vec3(whitePoint)),0.0,1.0);}\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){\\n#if TONE_MAPPING_MODE == 2 || TONE_MAPPING_MODE == 3\\noutputColor=vec4(Reinhard2ToneMapping(inputColor.rgb),inputColor.a);\\n#elif TONE_MAPPING_MODE == 4\\noutputColor=vec4(Uncharted2ToneMapping(inputColor.rgb),inputColor.a);\\n#else\\noutputColor=vec4(toneMapping(inputColor.rgb),inputColor.a);\\n#endif\\n}\";\n\n// src/effects/ToneMappingEffect.js\nvar ToneMappingEffect = class extends Effect {\n /**\n * Constructs a new tone mapping effect.\n *\n * The additional parameters only affect the Reinhard2 operator.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SRC] - The blend function of this effect.\n * @param {Boolean} [options.adaptive=false] - Deprecated. Use mode instead.\n * @param {ToneMappingMode} [options.mode=ToneMappingMode.AGX] - The tone mapping mode.\n * @param {Number} [options.resolution=256] - The resolution of the luminance texture. Must be a power of two.\n * @param {Number} [options.maxLuminance=4.0] - Deprecated. Same as whitePoint.\n * @param {Number} [options.whitePoint=4.0] - The white point.\n * @param {Number} [options.middleGrey=0.6] - The middle grey factor.\n * @param {Number} [options.minLuminance=0.01] - The minimum luminance. Prevents very high exposure in dark scenes.\n * @param {Number} [options.averageLuminance=1.0] - The average luminance. Used for the non-adaptive Reinhard operator.\n * @param {Number} [options.adaptationRate=1.0] - The luminance adaptation rate.\n */\n constructor({\n blendFunction = BlendFunction.SRC,\n adaptive = false,\n mode = adaptive ? ToneMappingMode.REINHARD2_ADAPTIVE : ToneMappingMode.AGX,\n resolution = 256,\n maxLuminance = 4,\n whitePoint = maxLuminance,\n middleGrey = 0.6,\n minLuminance = 0.01,\n averageLuminance = 1,\n adaptationRate = 1\n } = {}) {\n super(\"ToneMappingEffect\", tone_mapping_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"luminanceBuffer\", new Uniform45(null)],\n [\"maxLuminance\", new Uniform45(maxLuminance)],\n // Unused\n [\"whitePoint\", new Uniform45(whitePoint)],\n [\"middleGrey\", new Uniform45(middleGrey)],\n [\"averageLuminance\", new Uniform45(averageLuminance)]\n ])\n });\n this.renderTargetLuminance = new WebGLRenderTarget19(1, 1, {\n minFilter: LinearMipmapLinearFilter,\n depthBuffer: false\n });\n this.renderTargetLuminance.texture.generateMipmaps = true;\n this.renderTargetLuminance.texture.name = \"Luminance\";\n this.luminancePass = new LuminancePass({\n renderTarget: this.renderTargetLuminance\n });\n this.adaptiveLuminancePass = new AdaptiveLuminancePass(this.luminancePass.texture, {\n minLuminance,\n adaptationRate\n });\n this.uniforms.get(\"luminanceBuffer\").value = this.adaptiveLuminancePass.texture;\n this.resolution = resolution;\n this.mode = mode;\n }\n /**\n * The tone mapping mode.\n *\n * @type {ToneMappingMode}\n */\n get mode() {\n return Number(this.defines.get(\"TONE_MAPPING_MODE\"));\n }\n set mode(value) {\n if (this.mode === value) {\n return;\n }\n const revision = REVISION3.replace(/\\D+/g, \"\");\n const cineonToneMapping = revision >= 168 ? \"CineonToneMapping(texel)\" : \"OptimizedCineonToneMapping(texel)\";\n this.defines.clear();\n this.defines.set(\"TONE_MAPPING_MODE\", value.toFixed(0));\n switch (value) {\n case ToneMappingMode.LINEAR:\n this.defines.set(\"toneMapping(texel)\", \"LinearToneMapping(texel)\");\n break;\n case ToneMappingMode.REINHARD:\n this.defines.set(\"toneMapping(texel)\", \"ReinhardToneMapping(texel)\");\n break;\n case ToneMappingMode.CINEON:\n case ToneMappingMode.OPTIMIZED_CINEON:\n this.defines.set(\"toneMapping(texel)\", cineonToneMapping);\n break;\n case ToneMappingMode.ACES_FILMIC:\n this.defines.set(\"toneMapping(texel)\", \"ACESFilmicToneMapping(texel)\");\n break;\n case ToneMappingMode.AGX:\n this.defines.set(\"toneMapping(texel)\", \"AgXToneMapping(texel)\");\n break;\n case ToneMappingMode.NEUTRAL:\n this.defines.set(\"toneMapping(texel)\", \"NeutralToneMapping(texel)\");\n break;\n default:\n this.defines.set(\"toneMapping(texel)\", \"texel\");\n break;\n }\n this.adaptiveLuminancePass.enabled = value === ToneMappingMode.REINHARD2_ADAPTIVE;\n this.setChanged();\n }\n /**\n * Returns the current tone mapping mode.\n *\n * @deprecated Use mode instead.\n * @return {ToneMappingMode} The tone mapping mode.\n */\n getMode() {\n return this.mode;\n }\n /**\n * Sets the tone mapping mode.\n *\n * @deprecated Use mode instead.\n * @param {ToneMappingMode} value - The tone mapping mode.\n */\n setMode(value) {\n this.mode = value;\n }\n /**\n * The white point. Default is `4.0`.\n *\n * Only applies to Reinhard2 (Modified & Adaptive).\n *\n * @type {Number}\n */\n get whitePoint() {\n return this.uniforms.get(\"whitePoint\").value;\n }\n set whitePoint(value) {\n this.uniforms.get(\"whitePoint\").value = value;\n }\n /**\n * The middle grey factor. Default is `0.6`.\n *\n * Only applies to Reinhard2 (Modified & Adaptive).\n *\n * @type {Number}\n */\n get middleGrey() {\n return this.uniforms.get(\"middleGrey\").value;\n }\n set middleGrey(value) {\n this.uniforms.get(\"middleGrey\").value = value;\n }\n /**\n * The average luminance.\n *\n * Only applies to Reinhard2 (Modified).\n *\n * @type {Number}\n */\n get averageLuminance() {\n return this.uniforms.get(\"averageLuminance\").value;\n }\n set averageLuminance(value) {\n this.uniforms.get(\"averageLuminance\").value = value;\n }\n /**\n * The adaptive luminance material.\n *\n * @type {AdaptiveLuminanceMaterial}\n */\n get adaptiveLuminanceMaterial() {\n return this.adaptiveLuminancePass.fullscreenMaterial;\n }\n /**\n * Returns the adaptive luminance material.\n *\n * @deprecated Use adaptiveLuminanceMaterial instead.\n * @return {AdaptiveLuminanceMaterial} The material.\n */\n getAdaptiveLuminanceMaterial() {\n return this.adaptiveLuminanceMaterial;\n }\n /**\n * The resolution of the luminance texture. Must be a power of two.\n *\n * @type {Number}\n */\n get resolution() {\n return this.luminancePass.resolution.width;\n }\n set resolution(value) {\n const exponent = Math.max(0, Math.ceil(Math.log2(value)));\n const size = Math.pow(2, exponent);\n this.luminancePass.resolution.setPreferredSize(size, size);\n this.adaptiveLuminanceMaterial.mipLevel1x1 = exponent;\n }\n /**\n * Returns the resolution of the luminance texture.\n *\n * @deprecated Use resolution instead.\n * @return {Number} The resolution.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * Sets the resolution of the luminance texture. Must be a power of two.\n *\n * @deprecated Use resolution instead.\n * @param {Number} value - The resolution.\n */\n setResolution(value) {\n this.resolution = value;\n }\n /**\n * Indicates whether this pass uses adaptive luminance.\n *\n * @type {Boolean}\n * @deprecated Use mode instead.\n */\n get adaptive() {\n return this.mode === ToneMappingMode.REINHARD2_ADAPTIVE;\n }\n set adaptive(value) {\n this.mode = value ? ToneMappingMode.REINHARD2_ADAPTIVE : ToneMappingMode.REINHARD2;\n }\n /**\n * The luminance adaptation rate.\n *\n * @type {Number}\n * @deprecated Use adaptiveLuminanceMaterial.adaptationRate instead.\n */\n get adaptationRate() {\n return this.adaptiveLuminanceMaterial.adaptationRate;\n }\n set adaptationRate(value) {\n this.adaptiveLuminanceMaterial.adaptationRate = value;\n }\n /**\n * @type {Number}\n * @deprecated\n */\n get distinction() {\n console.warn(this.name, \"distinction was removed.\");\n return 1;\n }\n set distinction(value) {\n console.warn(this.name, \"distinction was removed.\");\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n if (this.adaptiveLuminancePass.enabled) {\n this.luminancePass.render(renderer, inputBuffer);\n this.adaptiveLuminancePass.render(renderer, null, null, deltaTime);\n }\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n this.adaptiveLuminancePass.initialize(renderer, alpha, frameBufferType);\n }\n};\n\n// src/effects/VignetteEffect.js\nimport { Uniform as Uniform46 } from \"three\";\n\n// src/effects/glsl/vignette.frag\nvar vignette_default = \"uniform float offset;uniform float darkness;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){const vec2 center=vec2(0.5);vec3 color=inputColor.rgb;\\n#if VIGNETTE_TECHNIQUE == 0\\nfloat d=distance(uv,center);color*=smoothstep(0.8,offset*0.799,d*(darkness+offset));\\n#else\\nvec2 coord=(uv-center)*vec2(offset);color=mix(color,vec3(1.0-darkness),dot(coord,coord));\\n#endif\\noutputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/VignetteEffect.js\nvar VignetteEffect = class extends Effect {\n /**\n * Constructs a new Vignette effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction] - The blend function of this effect.\n * @param {VignetteTechnique} [options.technique=VignetteTechnique.DEFAULT] - The Vignette technique.\n * @param {Boolean} [options.eskil=false] - Deprecated. Use technique instead.\n * @param {Number} [options.offset=0.5] - The Vignette offset.\n * @param {Number} [options.darkness=0.5] - The Vignette darkness.\n */\n constructor({\n blendFunction,\n eskil = false,\n technique = eskil ? VignetteTechnique.ESKIL : VignetteTechnique.DEFAULT,\n offset = 0.5,\n darkness = 0.5\n } = {}) {\n super(\"VignetteEffect\", vignette_default, {\n blendFunction,\n defines: /* @__PURE__ */ new Map([\n [\"VIGNETTE_TECHNIQUE\", technique.toFixed(0)]\n ]),\n uniforms: /* @__PURE__ */ new Map([\n [\"offset\", new Uniform46(offset)],\n [\"darkness\", new Uniform46(darkness)]\n ])\n });\n }\n /**\n * The Vignette technique.\n *\n * @type {VignetteTechnique}\n */\n get technique() {\n return Number(this.defines.get(\"VIGNETTE_TECHNIQUE\"));\n }\n set technique(value) {\n if (this.technique !== value) {\n this.defines.set(\"VIGNETTE_TECHNIQUE\", value.toFixed(0));\n this.setChanged();\n }\n }\n /**\n * Indicates whether Eskil's Vignette technique is enabled.\n *\n * @type {Boolean}\n * @deprecated Use technique instead.\n */\n get eskil() {\n return this.technique === VignetteTechnique.ESKIL;\n }\n /**\n * Indicates whether Eskil's Vignette technique is enabled.\n *\n * @type {Boolean}\n * @deprecated Use technique instead.\n */\n set eskil(value) {\n this.technique = value ? VignetteTechnique.ESKIL : VignetteTechnique.DEFAULT;\n }\n /**\n * Returns the Vignette technique.\n *\n * @deprecated Use technique instead.\n * @return {VignetteTechnique} The technique.\n */\n getTechnique() {\n return this.technique;\n }\n /**\n * Sets the Vignette technique.\n *\n * @deprecated Use technique instead.\n * @param {VignetteTechnique} value - The technique.\n */\n setTechnique(value) {\n this.technique = value;\n }\n /**\n * The Vignette offset.\n *\n * @type {Number}\n */\n get offset() {\n return this.uniforms.get(\"offset\").value;\n }\n set offset(value) {\n this.uniforms.get(\"offset\").value = value;\n }\n /**\n * Returns the Vignette offset.\n *\n * @deprecated Use offset instead.\n * @return {Number} The offset.\n */\n getOffset() {\n return this.offset;\n }\n /**\n * Sets the Vignette offset.\n *\n * @deprecated Use offset instead.\n * @param {Number} value - The offset.\n */\n setOffset(value) {\n this.offset = value;\n }\n /**\n * The Vignette darkness.\n *\n * @type {Number}\n */\n get darkness() {\n return this.uniforms.get(\"darkness\").value;\n }\n set darkness(value) {\n this.uniforms.get(\"darkness\").value = value;\n }\n /**\n * Returns the Vignette darkness.\n *\n * @deprecated Use darkness instead.\n * @return {Number} The darkness.\n */\n getDarkness() {\n return this.darkness;\n }\n /**\n * Sets the Vignette darkness.\n *\n * @deprecated Use darkness instead.\n * @param {Number} value - The darkness.\n */\n setDarkness(value) {\n this.darkness = value;\n }\n};\n\n// src/loaders/LUT3dlLoader.js\nimport { FileLoader, Loader, LoadingManager as LoadingManager2 } from \"three\";\nvar LUT3dlLoader = class extends Loader {\n /**\n * Loads a LUT.\n *\n * @param {String} url - The URL of the 3dl-file.\n * @param {Function} [onLoad] - A callback that receives the loaded lookup texture.\n * @param {Function} [onProgress] - A progress callback that receives the XMLHttpRequest instance.\n * @param {Function} [onError] - An error callback that receives the URL of the file that failed to load.\n * @return {Promise} A promise that returns the lookup texture.\n */\n load(url, onLoad = () => {\n }, onProgress = () => {\n }, onError = null) {\n const externalManager = this.manager;\n const internalManager = new LoadingManager2();\n const loader = new FileLoader(internalManager);\n loader.setPath(this.path);\n loader.setResponseType(\"text\");\n return new Promise((resolve, reject) => {\n internalManager.onError = (url2) => {\n externalManager.itemError(url2);\n if (onError !== null) {\n onError(`Failed to load ${url2}`);\n resolve();\n } else {\n reject(`Failed to load ${url2}`);\n }\n };\n externalManager.itemStart(url);\n loader.load(url, (data) => {\n try {\n const result = this.parse(data);\n externalManager.itemEnd(url);\n onLoad(result);\n resolve(result);\n } catch (e) {\n console.error(e);\n internalManager.onError(url);\n }\n }, onProgress);\n });\n }\n /**\n * Parses the given data.\n *\n * @param {String} input - The LUT data.\n * @return {LookupTexture} The lookup texture.\n * @throws {Error} Fails if the data is invalid.\n */\n parse(input) {\n const regExpGridInfo = /^[\\d ]+$/m;\n const regExpDataPoints = /^([\\d.e+-]+) +([\\d.e+-]+) +([\\d.e+-]+) *$/gm;\n let result = regExpGridInfo.exec(input);\n if (result === null) {\n throw new Error(\"Missing grid information\");\n }\n const gridLines = result[0].trim().split(/\\s+/g).map((n) => Number(n));\n const gridStep = gridLines[1] - gridLines[0];\n const size = gridLines.length;\n const sizeSq = size ** 2;\n for (let i = 1, l = gridLines.length; i < l; ++i) {\n if (gridStep !== gridLines[i] - gridLines[i - 1]) {\n throw new Error(\"Inconsistent grid size\");\n }\n }\n const data = new Float32Array(size ** 3 * 4);\n let maxValue = 0;\n let index = 0;\n while ((result = regExpDataPoints.exec(input)) !== null) {\n const r = Number(result[1]);\n const g = Number(result[2]);\n const b = Number(result[3]);\n maxValue = Math.max(maxValue, r, g, b);\n const bLayer = index % size;\n const gLayer = Math.floor(index / size) % size;\n const rLayer = Math.floor(index / sizeSq) % size;\n const d4 = (bLayer * sizeSq + gLayer * size + rLayer) * 4;\n data[d4 + 0] = r;\n data[d4 + 1] = g;\n data[d4 + 2] = b;\n data[d4 + 3] = 1;\n ++index;\n }\n const bits = Math.ceil(Math.log2(maxValue));\n const maxBitValue = Math.pow(2, bits);\n for (let i = 0, l = data.length; i < l; i += 4) {\n data[i + 0] /= maxBitValue;\n data[i + 1] /= maxBitValue;\n data[i + 2] /= maxBitValue;\n }\n return new LookupTexture(data, size);\n }\n};\n\n// src/loaders/LUTCubeLoader.js\nimport { FileLoader as FileLoader2, Loader as Loader2, LoadingManager as LoadingManager3, Vector3 as Vector37 } from \"three\";\nvar LUTCubeLoader = class extends Loader2 {\n /**\n * Loads a LUT.\n *\n * @param {String} url - The URL of the CUBE-file.\n * @param {Function} [onLoad] - A callback that receives the loaded lookup texture.\n * @param {Function} [onProgress] - A progress callback that receives the XMLHttpRequest instance.\n * @param {Function} [onError] - An error callback that receives the URL of the file that failed to load.\n * @return {Promise} A promise that returns the lookup texture.\n */\n load(url, onLoad = () => {\n }, onProgress = () => {\n }, onError = null) {\n const externalManager = this.manager;\n const internalManager = new LoadingManager3();\n const loader = new FileLoader2(internalManager);\n loader.setPath(this.path);\n loader.setResponseType(\"text\");\n return new Promise((resolve, reject) => {\n internalManager.onError = (url2) => {\n externalManager.itemError(url2);\n if (onError !== null) {\n onError(`Failed to load ${url2}`);\n resolve();\n } else {\n reject(`Failed to load ${url2}`);\n }\n };\n externalManager.itemStart(url);\n loader.load(url, (data) => {\n try {\n const result = this.parse(data);\n externalManager.itemEnd(url);\n onLoad(result);\n resolve(result);\n } catch (e) {\n console.error(e);\n internalManager.onError(url);\n }\n }, onProgress);\n });\n }\n /**\n * Parses the given data.\n *\n * @param {String} input - The LUT data.\n * @return {LookupTexture} The lookup texture.\n * @throws {Error} Fails if the data is invalid.\n */\n parse(input) {\n const regExpTitle = /TITLE +\"([^\"]*)\"/;\n const regExpSize = /LUT_3D_SIZE +(\\d+)/;\n const regExpDomainMin = /DOMAIN_MIN +([\\d.]+) +([\\d.]+) +([\\d.]+)/;\n const regExpDomainMax = /DOMAIN_MAX +([\\d.]+) +([\\d.]+) +([\\d.]+)/;\n const regExpDataPoints = /^([\\d.e+-]+) +([\\d.e+-]+) +([\\d.e+-]+) *$/gm;\n let result = regExpTitle.exec(input);\n const title = result !== null ? result[1] : null;\n result = regExpSize.exec(input);\n if (result === null) {\n throw new Error(\"Missing LUT_3D_SIZE information\");\n }\n const size = Number(result[1]);\n const data = new Float32Array(size ** 3 * 4);\n const domainMin = new Vector37(0, 0, 0);\n const domainMax = new Vector37(1, 1, 1);\n result = regExpDomainMin.exec(input);\n if (result !== null) {\n domainMin.set(Number(result[1]), Number(result[2]), Number(result[3]));\n }\n result = regExpDomainMax.exec(input);\n if (result !== null) {\n domainMax.set(Number(result[1]), Number(result[2]), Number(result[3]));\n }\n if (domainMin.x > domainMax.x || domainMin.y > domainMax.y || domainMin.z > domainMax.z) {\n domainMin.set(0, 0, 0);\n domainMax.set(1, 1, 1);\n throw new Error(\"Invalid input domain\");\n }\n let i = 0;\n while ((result = regExpDataPoints.exec(input)) !== null) {\n data[i++] = Number(result[1]);\n data[i++] = Number(result[2]);\n data[i++] = Number(result[3]);\n data[i++] = 1;\n }\n const lut = new LookupTexture(data, size);\n lut.domainMin.copy(domainMin);\n lut.domainMax.copy(domainMax);\n if (title !== null) {\n lut.name = title;\n }\n return lut;\n }\n};\n\n// src/loaders/SMAAImageLoader.js\nimport { Loader as Loader3, LoadingManager as LoadingManager4 } from \"three\";\nvar SMAAImageLoader = class extends Loader3 {\n /**\n * Loads the SMAA data images.\n *\n * @param {Function} [onLoad] - A callback that receives the search image and area image as a pair.\n * @param {Function} [onError] - An error callback that receives the URL of the image that failed to load.\n * @return {Promise} A promise that returns the search image and area image as a pair.\n */\n load(onLoad = () => {\n }, onError = null) {\n if (arguments.length === 4) {\n onLoad = arguments[1];\n onError = arguments[3];\n } else if (arguments.length === 3 || typeof arguments[0] !== \"function\") {\n onLoad = arguments[1];\n onError = null;\n }\n const externalManager = this.manager;\n const internalManager = new LoadingManager4();\n return new Promise((resolve, reject) => {\n const searchImage = new Image();\n const areaImage = new Image();\n internalManager.onError = (url) => {\n externalManager.itemError(url);\n if (onError !== null) {\n onError(`Failed to load ${url}`);\n resolve();\n } else {\n reject(`Failed to load ${url}`);\n }\n };\n internalManager.onLoad = () => {\n const result = [searchImage, areaImage];\n onLoad(result);\n resolve(result);\n };\n searchImage.addEventListener(\"error\", (e) => {\n internalManager.itemError(\"smaa-search\");\n });\n areaImage.addEventListener(\"error\", (e) => {\n internalManager.itemError(\"smaa-area\");\n });\n searchImage.addEventListener(\"load\", () => {\n externalManager.itemEnd(\"smaa-search\");\n internalManager.itemEnd(\"smaa-search\");\n });\n areaImage.addEventListener(\"load\", () => {\n externalManager.itemEnd(\"smaa-area\");\n internalManager.itemEnd(\"smaa-area\");\n });\n externalManager.itemStart(\"smaa-search\");\n externalManager.itemStart(\"smaa-area\");\n internalManager.itemStart(\"smaa-search\");\n internalManager.itemStart(\"smaa-area\");\n searchImage.src = searchImageDataURL_default;\n areaImage.src = areaImageDataURL_default;\n });\n }\n};\n\n// src/materials/BoxBlurMaterial.js\nimport { NoBlending as NoBlending18, PerspectiveCamera as PerspectiveCamera5, ShaderMaterial as ShaderMaterial19, Uniform as Uniform47, Vector2 as Vector224 } from \"three\";\n\n// src/materials/glsl/convolution.box.frag\nvar convolution_box_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#ifdef BILATERAL\\n#include \\nuniform vec2 cameraNearFar;\\n#ifdef NORMAL_DEPTH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){return texture2D(normalDepthBuffer,uv).a;}\\n#else\\n#if DEPTH_PACKING == 3201\\nuniform lowp sampler2D depthBuffer;\\n#elif defined(GL_FRAGMENT_PRECISION_HIGH)\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}\\n#endif\\nfloat getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#endif\\n}\\n#ifdef PERSPECTIVE_CAMERA\\n#define linearDepth(v) viewZToOrthographicDepth(getViewZ(readDepth(v)), cameraNearFar.x, cameraNearFar.y)\\n#else\\n#define linearDepth(v) readDepth(v)\\n#endif\\n#endif\\n#define getTexel(v) texture2D(inputBuffer, v)\\n#if KERNEL_SIZE == 3\\nvarying vec2 vUv00,vUv01,vUv02;varying vec2 vUv03,vUv04,vUv05;varying vec2 vUv06,vUv07,vUv08;\\n#elif KERNEL_SIZE == 5 && MAX_VARYING_VECTORS >= 13\\nvarying vec2 vUv00,vUv01,vUv02,vUv03,vUv04;varying vec2 vUv05,vUv06,vUv07,vUv08,vUv09;varying vec2 vUv10,vUv11,vUv12,vUv13,vUv14;varying vec2 vUv15,vUv16,vUv17,vUv18,vUv19;varying vec2 vUv20,vUv21,vUv22,vUv23,vUv24;\\n#else\\nuniform vec2 texelSize;uniform float scale;varying vec2 vUv;\\n#endif\\nvoid main(){\\n#if KERNEL_SIZE == 3\\nvec4 c[]=vec4[KERNEL_SIZE_SQ](getTexel(vUv00),getTexel(vUv01),getTexel(vUv02),getTexel(vUv03),getTexel(vUv04),getTexel(vUv05),getTexel(vUv06),getTexel(vUv07),getTexel(vUv08));\\n#ifdef BILATERAL\\nfloat z[]=float[KERNEL_SIZE_SQ](linearDepth(vUv00),linearDepth(vUv01),linearDepth(vUv02),linearDepth(vUv03),linearDepth(vUv04),linearDepth(vUv05),linearDepth(vUv06),linearDepth(vUv07),linearDepth(vUv08));\\n#endif\\n#elif KERNEL_SIZE == 5 && MAX_VARYING_VECTORS >= 13\\nvec4 c[]=vec4[KERNEL_SIZE_SQ](getTexel(vUv00),getTexel(vUv01),getTexel(vUv02),getTexel(vUv03),getTexel(vUv04),getTexel(vUv05),getTexel(vUv06),getTexel(vUv07),getTexel(vUv08),getTexel(vUv09),getTexel(vUv10),getTexel(vUv11),getTexel(vUv12),getTexel(vUv13),getTexel(vUv14),getTexel(vUv15),getTexel(vUv16),getTexel(vUv17),getTexel(vUv18),getTexel(vUv19),getTexel(vUv20),getTexel(vUv21),getTexel(vUv22),getTexel(vUv23),getTexel(vUv24));\\n#ifdef BILATERAL\\nfloat z[]=float[KERNEL_SIZE_SQ](linearDepth(vUv00),linearDepth(vUv01),linearDepth(vUv02),linearDepth(vUv03),linearDepth(vUv04),linearDepth(vUv05),linearDepth(vUv06),linearDepth(vUv07),linearDepth(vUv08),linearDepth(vUv09),linearDepth(vUv10),linearDepth(vUv11),linearDepth(vUv12),linearDepth(vUv13),linearDepth(vUv14),linearDepth(vUv15),linearDepth(vUv16),linearDepth(vUv17),linearDepth(vUv18),linearDepth(vUv19),linearDepth(vUv20),linearDepth(vUv21),linearDepth(vUv22),linearDepth(vUv23),linearDepth(vUv24));\\n#endif\\n#endif\\nvec4 result=vec4(0.0);\\n#ifdef BILATERAL\\nfloat w=0.0;\\n#if KERNEL_SIZE == 3 || (KERNEL_SIZE == 5 && MAX_VARYING_VECTORS >= 13)\\nfloat centerDepth=z[KERNEL_SIZE_SQ_HALF];for(int i=0;i= 13)\\nfor(int i=0;i= 13\\nvarying vec2 vUv00,vUv01,vUv02,vUv03,vUv04;varying vec2 vUv05,vUv06,vUv07,vUv08,vUv09;varying vec2 vUv10,vUv11,vUv12,vUv13,vUv14;varying vec2 vUv15,vUv16,vUv17,vUv18,vUv19;varying vec2 vUv20,vUv21,vUv22,vUv23,vUv24;\\n#else\\nvarying vec2 vUv;\\n#endif\\nvoid main(){vec2 uv=position.xy*0.5+0.5;\\n#if KERNEL_SIZE == 3\\nvec2 s=texelSize*scale;vUv00=uv+s*vec2(-1.0,-1.0);vUv01=uv+s*vec2(0.0,-1.0);vUv02=uv+s*vec2(1.0,-1.0);vUv03=uv+s*vec2(-1.0,0.0);vUv04=uv;vUv05=uv+s*vec2(1.0,0.0);vUv06=uv+s*vec2(-1.0,1.0);vUv07=uv+s*vec2(0.0,1.0);vUv08=uv+s*vec2(1.0,1.0);\\n#elif KERNEL_SIZE == 5\\nvec2 s=texelSize*scale;vUv00=uv+s*vec2(-2.0,-2.0);vUv01=uv+s*vec2(-1.0,-2.0);vUv02=uv+s*vec2(0.0,-2.0);vUv03=uv+s*vec2(1.0,-2.0);vUv04=uv+s*vec2(2.0,-2.0);vUv05=uv+s*vec2(-2.0,-1.0);vUv06=uv+s*vec2(-1.0,-1.0);vUv07=uv+s*vec2(0.0,-1.0);vUv08=uv+s*vec2(1.0,-1.0);vUv09=uv+s*vec2(2.0,-1.0);vUv10=uv+s*vec2(-2.0,0.0);vUv11=uv+s*vec2(-1.0,0.0);vUv12=uv;vUv13=uv+s*vec2(1.0,0.0);vUv14=uv+s*vec2(2.0,0.0);vUv15=uv+s*vec2(-2.0,1.0);vUv16=uv+s*vec2(-1.0,1.0);vUv17=uv+s*vec2(0.0,1.0);vUv18=uv+s*vec2(1.0,1.0);vUv19=uv+s*vec2(2.0,1.0);vUv20=uv+s*vec2(-2.0,2.0);vUv21=uv+s*vec2(-1.0,2.0);vUv22=uv+s*vec2(0.0,2.0);vUv23=uv+s*vec2(1.0,2.0);vUv24=uv+s*vec2(2.0,2.0);\\n#else\\nvUv=uv;\\n#endif\\ngl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/BoxBlurMaterial.js\nvar BoxBlurMaterial = class extends ShaderMaterial19 {\n /**\n * Constructs a new box blur material.\n *\n * @param {Object} [options] - The options.\n * @param {Number} [options.bilateral=false] - Enables or disables bilateral blurring.\n * @param {Number} [options.kernelSize=5] - The kernel size.\n */\n constructor({ bilateral = false, kernelSize = 5 } = {}) {\n super({\n name: \"BoxBlurMaterial\",\n defines: {\n DEPTH_PACKING: \"0\",\n DISTANCE_THRESHOLD: \"0.1\"\n },\n uniforms: {\n inputBuffer: new Uniform47(null),\n depthBuffer: new Uniform47(null),\n normalDepthBuffer: new Uniform47(null),\n texelSize: new Uniform47(new Vector224()),\n cameraNearFar: new Uniform47(new Vector224()),\n scale: new Uniform47(1)\n },\n blending: NoBlending18,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_box_default,\n vertexShader: convolution_box_default2\n });\n this.bilateral = bilateral;\n this.kernelSize = kernelSize;\n this.maxVaryingVectors = 8;\n }\n /**\n * The maximum amount of varying vectors.\n *\n * Should be synced with `renderer.capabilities.maxVaryings`. Default is 8.\n *\n * @type {Number}\n */\n set maxVaryingVectors(value) {\n this.defines.MAX_VARYING_VECTORS = value.toFixed(0);\n }\n /**\n * The kernel size.\n *\n * - Must be an odd number\n * - Kernel size 3 and 5 use optimized code paths\n * - Default is 5\n *\n * @type {Number}\n */\n get kernelSize() {\n return Number(this.defines.KERNEL_SIZE);\n }\n set kernelSize(value) {\n if (value % 2 === 0) {\n throw new Error(\"The kernel size must be an odd number\");\n }\n this.defines.KERNEL_SIZE = value.toFixed(0);\n this.defines.KERNEL_SIZE_HALF = Math.floor(value / 2).toFixed(0);\n this.defines.KERNEL_SIZE_SQ = (value ** 2).toFixed(0);\n this.defines.KERNEL_SIZE_SQ_HALF = Math.floor(value ** 2 / 2).toFixed(0);\n this.defines.INV_KERNEL_SIZE_SQ = (1 / value ** 2).toFixed(6);\n this.needsUpdate = true;\n }\n /**\n * The blur scale.\n *\n * @type {Number}\n */\n get scale() {\n return this.uniforms.scale.value;\n }\n set scale(value) {\n this.uniforms.scale.value = value;\n }\n /**\n * The current near plane setting.\n *\n * @type {Number}\n * @private\n */\n get near() {\n return this.uniforms.cameraNearFar.value.x;\n }\n /**\n * The current far plane setting.\n *\n * @type {Number}\n * @private\n */\n get far() {\n return this.uniforms.cameraNearFar.value.y;\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * The depth buffer.\n *\n * @type {Texture}\n */\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n /**\n * A combined normal-depth buffer. Overrides {@link depthBuffer} if set.\n *\n * @type {Texture}\n */\n set normalDepthBuffer(value) {\n this.uniforms.normalDepthBuffer.value = value;\n if (value !== null) {\n this.defines.NORMAL_DEPTH = \"1\";\n } else {\n delete this.defines.NORMAL_DEPTH;\n }\n this.needsUpdate = true;\n }\n /**\n * The depth packing strategy.\n *\n * @type {DepthPackingStrategies}\n */\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Indicates whether bilateral filtering is enabled.\n *\n * @type {Boolean}\n */\n get bilateral() {\n return this.defines.BILATERAL !== void 0;\n }\n set bilateral(value) {\n if (value !== null) {\n this.defines.BILATERAL = \"1\";\n } else {\n delete this.defines.BILATERAL;\n }\n this.needsUpdate = true;\n }\n /**\n * The bilateral filter distance threshold in world units.\n *\n * @type {Number}\n */\n get worldDistanceThreshold() {\n return -orthographicDepthToViewZ(Number(this.defines.DISTANCE_THRESHOLD), this.near, this.far);\n }\n set worldDistanceThreshold(value) {\n const threshold = viewZToOrthographicDepth(-value, this.near, this.far);\n this.defines.DISTANCE_THRESHOLD = threshold.toFixed(12);\n this.needsUpdate = true;\n }\n /**\n * Copies the settings of the given camera.\n *\n * @param {Camera} camera - A camera.\n */\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNearFar.value.set(camera.near, camera.far);\n if (camera instanceof PerspectiveCamera5) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/DepthCopyMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking14, NoBlending as NoBlending19, ShaderMaterial as ShaderMaterial20, Uniform as Uniform48, Vector2 as Vector225 } from \"three\";\n\n// src/materials/glsl/depth-copy.frag\nvar depth_copy_default = \"#include \\nvarying vec2 vUv;\\n#ifdef NORMAL_DEPTH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){return texture2D(normalDepthBuffer,uv).a;}\\n#else\\n#if INPUT_DEPTH_PACKING == 3201\\nuniform lowp sampler2D depthBuffer;\\n#elif defined(GL_FRAGMENT_PRECISION_HIGH)\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if INPUT_DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}\\n#endif\\nvoid main(){\\n#if INPUT_DEPTH_PACKING == OUTPUT_DEPTH_PACKING\\ngl_FragColor=texture2D(depthBuffer,vUv);\\n#else\\nfloat depth=readDepth(vUv);\\n#if OUTPUT_DEPTH_PACKING == 3201\\ngl_FragColor=(depth==1.0)?vec4(1.0):packDepthToRGBA(depth);\\n#else\\ngl_FragColor=vec4(vec3(depth),1.0);\\n#endif\\n#endif\\n}\";\n\n// src/materials/glsl/depth-copy.vert\nvar depth_copy_default2 = \"varying vec2 vUv;\\n#if DEPTH_COPY_MODE == 1\\nuniform vec2 texelPosition;\\n#endif\\nvoid main(){\\n#if DEPTH_COPY_MODE == 1\\nvUv=texelPosition;\\n#else\\nvUv=position.xy*0.5+0.5;\\n#endif\\ngl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/DepthCopyMaterial.js\nvar DepthCopyMaterial = class extends ShaderMaterial20 {\n /**\n * Constructs a new depth copy material.\n */\n constructor() {\n super({\n name: \"DepthCopyMaterial\",\n defines: {\n INPUT_DEPTH_PACKING: \"0\",\n OUTPUT_DEPTH_PACKING: \"0\",\n DEPTH_COPY_MODE: \"0\"\n },\n uniforms: {\n depthBuffer: new Uniform48(null),\n texelPosition: new Uniform48(new Vector225())\n },\n blending: NoBlending19,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: depth_copy_default,\n vertexShader: depth_copy_default2\n });\n this.depthCopyMode = DepthCopyMode.FULL;\n }\n /**\n * The input depth buffer.\n *\n * @type {Texture}\n */\n get depthBuffer() {\n return this.uniforms.depthBuffer.value;\n }\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n /**\n * The input depth packing strategy.\n *\n * @type {DepthPackingStrategies}\n */\n set inputDepthPacking(value) {\n this.defines.INPUT_DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * The output depth packing strategy.\n *\n * @type {DepthPackingStrategies}\n */\n get outputDepthPacking() {\n return Number(this.defines.OUTPUT_DEPTH_PACKING);\n }\n set outputDepthPacking(value) {\n this.defines.OUTPUT_DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the input depth buffer.\n *\n * @deprecated Use depthBuffer and inputDepthPacking instead.\n * @param {Texture} buffer - The depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing strategy.\n */\n setDepthBuffer(buffer, depthPacking = BasicDepthPacking14) {\n this.depthBuffer = buffer;\n this.inputDepthPacking = depthPacking;\n }\n /**\n * Returns the current input depth packing strategy.\n *\n * @deprecated\n * @return {DepthPackingStrategies} The input depth packing strategy.\n */\n getInputDepthPacking() {\n return Number(this.defines.INPUT_DEPTH_PACKING);\n }\n /**\n * Sets the input depth packing strategy.\n *\n * @deprecated Use inputDepthPacking instead.\n * @param {DepthPackingStrategies} value - The new input depth packing strategy.\n */\n setInputDepthPacking(value) {\n this.defines.INPUT_DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Returns the current output depth packing strategy.\n *\n * @deprecated Use outputDepthPacking instead.\n * @return {DepthPackingStrategies} The output depth packing strategy.\n */\n getOutputDepthPacking() {\n return Number(this.defines.OUTPUT_DEPTH_PACKING);\n }\n /**\n * Sets the output depth packing strategy.\n *\n * @deprecated Use outputDepthPacking instead.\n * @param {DepthPackingStrategies} value - The new output depth packing strategy.\n */\n setOutputDepthPacking(value) {\n this.defines.OUTPUT_DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * The screen space position used for single-texel copy operations.\n *\n * @type {Vector2}\n */\n get texelPosition() {\n return this.uniforms.texelPosition.value;\n }\n /**\n * Returns the screen space position used for single-texel copy operations.\n *\n * @deprecated Use texelPosition instead.\n * @return {Vector2} The position.\n */\n getTexelPosition() {\n return this.uniforms.texelPosition.value;\n }\n /**\n * Sets the screen space position used for single-texel copy operations.\n *\n * @deprecated\n * @param {Vector2} value - The position.\n */\n setTexelPosition(value) {\n this.uniforms.texelPosition.value = value;\n }\n /**\n * The depth copy mode.\n *\n * @type {DepthCopyMode}\n */\n get mode() {\n return this.depthCopyMode;\n }\n set mode(value) {\n this.depthCopyMode = value;\n this.defines.DEPTH_COPY_MODE = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Returns the depth copy mode.\n *\n * @deprecated Use mode instead.\n * @return {DepthCopyMode} The depth copy mode.\n */\n getMode() {\n return this.mode;\n }\n /**\n * Sets the depth copy mode.\n *\n * @deprecated Use mode instead.\n * @param {DepthCopyMode} value - The new mode.\n */\n setMode(value) {\n this.mode = value;\n }\n};\n\n// src/materials/EffectMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking15, NoBlending as NoBlending20, PerspectiveCamera as PerspectiveCamera6, REVISION as REVISION4, ShaderMaterial as ShaderMaterial21, Uniform as Uniform49, Vector2 as Vector226 } from \"three\";\n\n// src/materials/glsl/effect.frag\nvar effect_default = \"#include \\n#include \\n#include \\n#define packFloatToRGBA(v) packDepthToRGBA(v)\\n#define unpackRGBAToFloat(v) unpackRGBAToDepth(v)\\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#if DEPTH_PACKING == 3201\\nuniform lowp sampler2D depthBuffer;\\n#elif defined(GL_FRAGMENT_PRECISION_HIGH)\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nuniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv;vec4 sRGBToLinear(const in vec4 value){return vec4(mix(pow(value.rgb*0.9478672986+vec3(0.0521327014),vec3(2.4)),value.rgb*0.0773993808,vec3(lessThanEqual(value.rgb,vec3(0.04045)))),value.a);}float readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}float getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNear,cameraFar);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNear,cameraFar);\\n#endif\\n}vec3 RGBToHCV(const in vec3 RGB){vec4 P=mix(vec4(RGB.bg,-1.0,2.0/3.0),vec4(RGB.gb,0.0,-1.0/3.0),step(RGB.b,RGB.g));vec4 Q=mix(vec4(P.xyw,RGB.r),vec4(RGB.r,P.yzx),step(P.x,RGB.r));float C=Q.x-min(Q.w,Q.y);float H=abs((Q.w-Q.y)/(6.0*C+EPSILON)+Q.z);return vec3(H,C,Q.x);}vec3 RGBToHSL(const in vec3 RGB){vec3 HCV=RGBToHCV(RGB);float L=HCV.z-HCV.y*0.5;float S=HCV.y/(1.0-abs(L*2.0-1.0)+EPSILON);return vec3(HCV.x,S,L);}vec3 HueToRGB(const in float H){float R=abs(H*6.0-3.0)-1.0;float G=2.0-abs(H*6.0-2.0);float B=2.0-abs(H*6.0-4.0);return clamp(vec3(R,G,B),0.0,1.0);}vec3 HSLToRGB(const in vec3 HSL){vec3 RGB=HueToRGB(HSL.x);float C=(1.0-abs(2.0*HSL.z-1.0))*HSL.y;return(RGB-0.5)*C+HSL.z;}FRAGMENT_HEAD void main(){FRAGMENT_MAIN_UV vec4 color0=texture2D(inputBuffer,UV);vec4 color1=vec4(0.0);FRAGMENT_MAIN_IMAGE color0.a=clamp(color0.a,0.0,1.0);gl_FragColor=color0;\\n#ifdef ENCODE_OUTPUT\\n#include \\n#endif\\n#include \\n}\";\n\n// src/materials/glsl/effect.vert\nvar effect_default2 = \"uniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv;VERTEX_HEAD void main(){vUv=position.xy*0.5+0.5;VERTEX_MAIN_SUPPORT gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/EffectMaterial.js\nvar EffectMaterial = class extends ShaderMaterial21 {\n /**\n * Constructs a new effect material.\n *\n * @param {Map} [shaderParts] - Deprecated. Use setShaderData instead.\n * @param {Map} [defines] - Deprecated. Use setShaderData instead.\n * @param {Map} [uniforms] - Deprecated. Use setShaderData instead.\n * @param {Camera} [camera] - A camera.\n * @param {Boolean} [dithering=false] - Deprecated.\n */\n constructor(shaderParts, defines, uniforms, camera, dithering = false) {\n super({\n name: \"EffectMaterial\",\n defines: {\n THREE_REVISION: REVISION4.replace(/\\D+/g, \"\"),\n DEPTH_PACKING: \"0\",\n ENCODE_OUTPUT: \"1\"\n },\n uniforms: {\n inputBuffer: new Uniform49(null),\n depthBuffer: new Uniform49(null),\n resolution: new Uniform49(new Vector226()),\n texelSize: new Uniform49(new Vector226()),\n cameraNear: new Uniform49(0.3),\n cameraFar: new Uniform49(1e3),\n aspect: new Uniform49(1),\n time: new Uniform49(0)\n },\n blending: NoBlending20,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n dithering\n });\n if (shaderParts) {\n this.setShaderParts(shaderParts);\n }\n if (defines) {\n this.setDefines(defines);\n }\n if (uniforms) {\n this.setUniforms(uniforms);\n }\n this.copyCameraSettings(camera);\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the input buffer.\n *\n * @deprecated Use inputBuffer instead.\n * @param {Texture} value - The input buffer.\n */\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * The depth buffer.\n *\n * @type {Texture}\n */\n get depthBuffer() {\n return this.uniforms.depthBuffer.value;\n }\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n /**\n * The depth packing strategy.\n *\n * @type {DepthPackingStrategies}\n */\n get depthPacking() {\n return Number(this.defines.DEPTH_PACKING);\n }\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the depth buffer.\n *\n * @deprecated Use depthBuffer and depthPacking instead.\n * @param {Texture} buffer - The depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing strategy.\n */\n setDepthBuffer(buffer, depthPacking = BasicDepthPacking15) {\n this.depthBuffer = buffer;\n this.depthPacking = depthPacking;\n }\n /**\n * Sets the shader data.\n *\n * @param {EffectShaderData} data - The shader data.\n * @return {EffectMaterial} This material.\n */\n setShaderData(data) {\n this.setShaderParts(data.shaderParts);\n this.setDefines(data.defines);\n this.setUniforms(data.uniforms);\n this.setExtensions(data.extensions);\n }\n /**\n * Sets the shader parts.\n *\n * @deprecated Use setShaderData instead.\n * @param {Map} shaderParts - A collection of shader snippets. See {@link EffectShaderSection}.\n * @return {EffectMaterial} This material.\n */\n setShaderParts(shaderParts) {\n this.fragmentShader = effect_default.replace(EffectShaderSection.FRAGMENT_HEAD, shaderParts.get(EffectShaderSection.FRAGMENT_HEAD) || \"\").replace(EffectShaderSection.FRAGMENT_MAIN_UV, shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_UV) || \"\").replace(EffectShaderSection.FRAGMENT_MAIN_IMAGE, shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_IMAGE) || \"\");\n this.vertexShader = effect_default2.replace(EffectShaderSection.VERTEX_HEAD, shaderParts.get(EffectShaderSection.VERTEX_HEAD) || \"\").replace(EffectShaderSection.VERTEX_MAIN_SUPPORT, shaderParts.get(EffectShaderSection.VERTEX_MAIN_SUPPORT) || \"\");\n this.needsUpdate = true;\n return this;\n }\n /**\n * Sets the shader macros.\n *\n * @deprecated Use setShaderData instead.\n * @param {Map} defines - A collection of preprocessor macro definitions.\n * @return {EffectMaterial} This material.\n */\n setDefines(defines) {\n for (const entry of defines.entries()) {\n this.defines[entry[0]] = entry[1];\n }\n this.needsUpdate = true;\n return this;\n }\n /**\n * Sets the shader uniforms.\n *\n * @deprecated Use setShaderData instead.\n * @param {Map} uniforms - A collection of uniforms.\n * @return {EffectMaterial} This material.\n */\n setUniforms(uniforms) {\n for (const entry of uniforms.entries()) {\n this.uniforms[entry[0]] = entry[1];\n }\n return this;\n }\n /**\n * Sets the required shader extensions.\n *\n * @deprecated Use setShaderData instead.\n * @param {Set} extensions - A collection of extensions.\n * @return {EffectMaterial} This material.\n */\n setExtensions(extensions) {\n this.extensions = {};\n for (const extension of extensions) {\n this.extensions[extension] = true;\n }\n return this;\n }\n /**\n * Indicates whether output encoding is enabled.\n *\n * @type {Boolean}\n */\n get encodeOutput() {\n return this.defines.ENCODE_OUTPUT !== void 0;\n }\n set encodeOutput(value) {\n if (this.encodeOutput !== value) {\n if (value) {\n this.defines.ENCODE_OUTPUT = \"1\";\n } else {\n delete this.defines.ENCODE_OUTPUT;\n }\n this.needsUpdate = true;\n }\n }\n /**\n * Indicates whether output encoding is enabled.\n *\n * @deprecated Use encodeOutput instead.\n * @return {Boolean} Whether output encoding is enabled.\n */\n isOutputEncodingEnabled(value) {\n return this.encodeOutput;\n }\n /**\n * Enables or disables output encoding.\n *\n * @deprecated Use encodeOutput instead.\n * @param {Boolean} value - Whether output encoding should be enabled.\n */\n setOutputEncodingEnabled(value) {\n this.encodeOutput = value;\n }\n /**\n * The time in seconds.\n *\n * @type {Number}\n */\n get time() {\n return this.uniforms.time.value;\n }\n set time(value) {\n this.uniforms.time.value = value;\n }\n /**\n * Sets the delta time.\n *\n * @deprecated Use time instead.\n * @param {Number} value - The delta time in seconds.\n */\n setDeltaTime(value) {\n this.uniforms.time.value += value;\n }\n /**\n * Copies the settings of the given camera.\n *\n * @deprecated Use copyCameraSettings instead.\n * @param {Camera} camera - A camera.\n */\n adoptCameraSettings(camera) {\n this.copyCameraSettings(camera);\n }\n /**\n * Copies the settings of the given camera.\n *\n * @param {Camera} camera - A camera.\n */\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNear.value = camera.near;\n this.uniforms.cameraFar.value = camera.far;\n if (camera instanceof PerspectiveCamera6) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n /**\n * Sets the resolution.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const uniforms = this.uniforms;\n uniforms.resolution.value.set(width, height);\n uniforms.texelSize.value.set(1 / width, 1 / height);\n uniforms.aspect.value = width / height;\n }\n /**\n * An enumeration of shader code placeholders.\n *\n * @deprecated Use EffectShaderSection instead.\n * @type {Object}\n */\n static get Section() {\n return EffectShaderSection;\n }\n};\n\n// src/materials/GaussianBlurMaterial.js\nimport { NoBlending as NoBlending21, ShaderMaterial as ShaderMaterial22, Uniform as Uniform50, Vector2 as Vector227 } from \"three\";\n\n// src/materials/glsl/convolution.gaussian.frag\nvar convolution_gaussian_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform vec2 kernel[STEPS];varying vec2 vOffset;varying vec2 vUv;void main(){vec4 result=texture2D(inputBuffer,vUv)*kernel[0].y;for(int i=1;i\\n}\";\n\n// src/materials/glsl/convolution.gaussian.vert\nvar convolution_gaussian_default2 = \"uniform vec2 texelSize;uniform vec2 direction;uniform float scale;varying vec2 vOffset;varying vec2 vUv;void main(){vOffset=direction*texelSize*scale;vUv=position.xy*0.5+0.5;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/GaussianBlurMaterial.js\nvar GaussianBlurMaterial = class extends ShaderMaterial22 {\n /**\n * Constructs a new convolution material.\n *\n * @param {Object} [options] - The options.\n * @param {Number} [options.kernelSize=35] - The kernel size.\n */\n constructor({ kernelSize = 35 } = {}) {\n super({\n name: \"GaussianBlurMaterial\",\n uniforms: {\n inputBuffer: new Uniform50(null),\n texelSize: new Uniform50(new Vector227()),\n direction: new Uniform50(new Vector227()),\n kernel: new Uniform50(null),\n scale: new Uniform50(1)\n },\n blending: NoBlending21,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_gaussian_default,\n vertexShader: convolution_gaussian_default2\n });\n this._kernelSize = 0;\n this.kernelSize = kernelSize;\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * The kernel size.\n *\n * @type {Number}\n */\n get kernelSize() {\n return this._kernelSize;\n }\n set kernelSize(value) {\n this._kernelSize = value;\n this.generateKernel(value);\n }\n /**\n * The blur direction.\n *\n * @type {Vector2}\n */\n get direction() {\n return this.uniforms.direction.value;\n }\n /**\n * The blur kernel scale. Values greater than 1.0 may introduce artifacts.\n *\n * @type {Number}\n */\n get scale() {\n return this.uniforms.scale.value;\n }\n set scale(value) {\n this.uniforms.scale.value = value;\n }\n /**\n * Generates the Gauss kernel.\n *\n * @param {KernelSize} kernelSize - The kernel size. Should be an odd number.\n * @private\n */\n generateKernel(kernelSize) {\n const kernel = new GaussKernel(kernelSize);\n const steps = kernel.linearSteps;\n const kernelData = new Float64Array(steps * 2);\n for (let i = 0, j = 0; i < steps; ++i) {\n kernelData[j++] = kernel.linearOffsets[i];\n kernelData[j++] = kernel.linearWeights[i];\n }\n this.uniforms.kernel.value = kernelData;\n this.defines.STEPS = steps.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/passes/BoxBlurPass.js\nimport { BasicDepthPacking as BasicDepthPacking16, SRGBColorSpace as SRGBColorSpace13, UnsignedByteType as UnsignedByteType13, WebGLRenderTarget as WebGLRenderTarget20 } from \"three\";\nvar BoxBlurPass = class extends Pass {\n /**\n * Constructs a new box blur pass.\n *\n * @param {Object} [options] - The options.\n * @param {Number} [options.kernelSize=5] - Must be an odd number. The sizes 3 and 5 use optimized code paths.\n * @param {Number} [options.iterations=1] - The amount of times the blur should be applied.\n * @param {Number} [options.bilateral=false] - Enables or disables bilateral blurring.\n * @param {Number} [options.resolutionScale=1.0] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n */\n constructor({\n kernelSize = 5,\n iterations = 1,\n bilateral = false,\n resolutionScale = 1,\n resolutionX = Resolution.AUTO_SIZE,\n resolutionY = Resolution.AUTO_SIZE\n } = {}) {\n super(\"BoxBlurPass\");\n this.needsDepthTexture = bilateral;\n this.renderTargetA = new WebGLRenderTarget20(1, 1, { depthBuffer: false });\n this.renderTargetA.texture.name = \"Blur.Target.A\";\n this.renderTargetB = new WebGLRenderTarget20(1, 1, { depthBuffer: false });\n this.renderTargetB.texture.name = \"Blur.Target.B\";\n this.blurMaterial = new BoxBlurMaterial({ bilateral, kernelSize });\n this.copyMaterial = new CopyMaterial();\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.iterations = iterations;\n }\n set mainCamera(value) {\n this.blurMaterial.copyCameraSettings(value);\n }\n /**\n * Sets the depth texture.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing strategy.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking16) {\n this.blurMaterial.depthBuffer = depthTexture;\n this.blurMaterial.depthPacking = depthPacking;\n }\n /**\n * Renders the blur.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const scene = this.scene;\n const camera = this.camera;\n const renderTargetA = this.renderTargetA;\n const renderTargetB = this.renderTargetB;\n const blurMaterial = this.blurMaterial;\n this.fullscreenMaterial = blurMaterial;\n let previousBuffer = inputBuffer;\n for (let i = 0, l = Math.max(this.iterations, 1); i < l; ++i) {\n const buffer = (i & 1) === 0 ? renderTargetA : renderTargetB;\n blurMaterial.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(buffer);\n renderer.render(scene, camera);\n previousBuffer = buffer;\n }\n this.copyMaterial.inputBuffer = previousBuffer.texture;\n this.fullscreenMaterial = this.copyMaterial;\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(scene, camera);\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.renderTargetA.setSize(w, h);\n this.renderTargetB.setSize(w, h);\n this.blurMaterial.setSize(width, height);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n if (renderer !== null) {\n this.blurMaterial.maxVaryingVectors = renderer.capabilities.maxVaryings;\n }\n if (frameBufferType !== void 0) {\n this.renderTargetA.texture.type = frameBufferType;\n this.renderTargetB.texture.type = frameBufferType;\n if (frameBufferType !== UnsignedByteType13) {\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace13) {\n this.renderTargetA.texture.colorSpace = SRGBColorSpace13;\n this.renderTargetB.texture.colorSpace = SRGBColorSpace13;\n }\n }\n }\n};\n\n// src/passes/DepthPickingPass.js\nimport { BasicDepthPacking as BasicDepthPacking18, FloatType as FloatType6, REVISION as REVISION5, RGBADepthPacking as RGBADepthPacking5 } from \"three\";\n\n// src/passes/DepthCopyPass.js\nimport {\n BasicDepthPacking as BasicDepthPacking17,\n FloatType as FloatType5,\n NearestFilter as NearestFilter7,\n RGBADepthPacking as RGBADepthPacking4,\n UnsignedByteType as UnsignedByteType14,\n WebGLRenderTarget as WebGLRenderTarget21\n} from \"three\";\nvar DepthCopyPass = class extends Pass {\n /**\n * Constructs a new depth save pass.\n *\n * @param {Object} [options] - The options.\n * @param {DepthPackingStrategies} [options.depthPacking=RGBADepthPacking] - The output depth packing.\n */\n constructor({ depthPacking = RGBADepthPacking4 } = {}) {\n super(\"DepthCopyPass\");\n const material = new DepthCopyMaterial();\n material.outputDepthPacking = depthPacking;\n this.fullscreenMaterial = material;\n this.needsDepthTexture = true;\n this.needsSwap = false;\n this.renderTarget = new WebGLRenderTarget21(1, 1, {\n type: depthPacking === RGBADepthPacking4 ? UnsignedByteType14 : FloatType5,\n minFilter: NearestFilter7,\n magFilter: NearestFilter7,\n depthBuffer: false\n });\n this.renderTarget.texture.name = \"DepthCopyPass.Target\";\n }\n /**\n * The output depth texture.\n *\n * @type {Texture}\n */\n get texture() {\n return this.renderTarget.texture;\n }\n /**\n * Returns the output depth texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.renderTarget.texture;\n }\n /**\n * The output depth packing.\n *\n * @type {DepthPackingStrategies}\n */\n get depthPacking() {\n return this.fullscreenMaterial.outputDepthPacking;\n }\n /**\n * Returns the output depth packing.\n *\n * @deprecated Use depthPacking instead.\n * @return {DepthPackingStrategies} The depth packing.\n */\n getDepthPacking() {\n return this.fullscreenMaterial.outputDepthPacking;\n }\n /**\n * Sets the depth texture.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking17) {\n this.fullscreenMaterial.depthBuffer = depthTexture;\n this.fullscreenMaterial.inputDepthPacking = depthPacking;\n }\n /**\n * Copies depth from a depth texture.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n renderer.render(this.scene, this.camera);\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.renderTarget.setSize(width, height);\n }\n};\n\n// src/passes/DepthPickingPass.js\nvar threeRevision = Number(REVISION5.replace(/\\D+/g, \"\"));\nvar unpackDownscale = 255 / 256;\nvar unpackFactorsLegacy = new Float32Array([\n unpackDownscale / 256 ** 3,\n unpackDownscale / 256 ** 2,\n unpackDownscale / 256,\n unpackDownscale\n]);\nvar unpackFactors = new Float32Array([\n unpackDownscale,\n unpackDownscale / 256,\n unpackDownscale / 256 ** 2,\n 1 / 256 ** 3\n]);\nfunction unpackRGBAToDepth(packedDepth) {\n const f = threeRevision >= 167 ? unpackFactors : unpackFactorsLegacy;\n return (packedDepth[0] * f[0] + packedDepth[1] * f[1] + packedDepth[2] * f[2] + packedDepth[3] * f[3]) / 255;\n}\nvar DepthPickingPass = class extends DepthCopyPass {\n /**\n * Constructs a new depth picking pass.\n *\n * @param {Object} [options] - The options.\n * @param {DepthPackingStrategies} [options.depthPacking=RGBADepthPacking] - The depth packing.\n * @param {Number} [options.mode=DepthCopyMode.SINGLE] - The depth copy mode.\n */\n constructor({ depthPacking = RGBADepthPacking5, mode = DepthCopyMode.SINGLE } = {}) {\n if (depthPacking !== RGBADepthPacking5 && depthPacking !== BasicDepthPacking18) {\n throw new Error(`Unsupported depth packing: ${depthPacking}`);\n }\n super({ depthPacking });\n this.name = \"DepthPickingPass\";\n this.fullscreenMaterial.mode = mode;\n this.pixelBuffer = depthPacking === RGBADepthPacking5 ? new Uint8Array(4) : new Float32Array(4);\n this.callback = null;\n }\n /**\n * Reads depth at a specific screen position.\n *\n * Only one depth value can be picked per frame. Calling this method multiple times per frame will overwrite the\n * picking coordinates. Unresolved promises will be abandoned.\n *\n * @example\n * const ndc = new Vector3();\n * const clientRect = myViewport.getBoundingClientRect();\n * const clientX = pointerEvent.clientX - clientRect.left;\n * const clientY = pointerEvent.clientY - clientRect.top;\n * ndc.x = (clientX / myViewport.clientWidth) * 2.0 - 1.0;\n * ndc.y = -(clientY / myViewport.clientHeight) * 2.0 + 1.0;\n * const depth = await depthPickingPass.readDepth(ndc);\n * ndc.z = depth * 2.0 - 1.0;\n *\n * const worldPosition = ndc.unproject(camera);\n *\n * @param {Vector2|Vector3} ndc - Normalized device coordinates. Only X and Y are relevant.\n * @return {Promise} A promise that returns the depth on the next frame.\n */\n readDepth(ndc) {\n this.fullscreenMaterial.texelPosition.set(ndc.x * 0.5 + 0.5, ndc.y * 0.5 + 0.5);\n return new Promise((resolve) => {\n this.callback = resolve;\n });\n }\n /**\n * Copies depth and resolves depth picking promises.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const material = this.fullscreenMaterial;\n const mode = material.mode;\n if (mode === DepthCopyMode.FULL) {\n super.render(renderer);\n }\n if (this.callback !== null) {\n const renderTarget = this.renderTarget;\n const pixelBuffer = this.pixelBuffer;\n const packed = renderTarget.texture.type !== FloatType6;\n let x = 0, y = 0;\n if (mode === DepthCopyMode.SINGLE) {\n super.render(renderer);\n } else {\n const texelPosition = material.texelPosition;\n x = Math.round(texelPosition.x * renderTarget.width);\n y = Math.round(texelPosition.y * renderTarget.height);\n }\n renderer.readRenderTargetPixels(renderTarget, x, y, 1, 1, pixelBuffer);\n this.callback(packed ? unpackRGBAToDepth(pixelBuffer) : pixelBuffer[0]);\n this.callback = null;\n }\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n if (this.fullscreenMaterial.mode === DepthCopyMode.FULL) {\n super.setSize(width, height);\n }\n }\n};\n\n// src/passes/EffectPass.js\nimport { BasicDepthPacking as BasicDepthPacking19, NoColorSpace as NoColorSpace2, SRGBColorSpace as SRGBColorSpace14, UnsignedByteType as UnsignedByteType15 } from \"three\";\nfunction prefixSubstrings(prefix, substrings, strings) {\n for (const substring of substrings) {\n const prefixed = \"$1\" + prefix + substring.charAt(0).toUpperCase() + substring.slice(1);\n const regExp = new RegExp(\"([^\\\\.])(\\\\b\" + substring + \"\\\\b)\", \"g\");\n for (const entry of strings.entries()) {\n if (entry[1] !== null) {\n strings.set(entry[0], entry[1].replace(regExp, prefixed));\n }\n }\n }\n}\nfunction integrateEffect(prefix, effect, data) {\n let fragmentShader = effect.getFragmentShader();\n let vertexShader = effect.getVertexShader();\n const mainImageExists = fragmentShader !== void 0 && /mainImage/.test(fragmentShader);\n const mainUvExists = fragmentShader !== void 0 && /mainUv/.test(fragmentShader);\n data.attributes |= effect.getAttributes();\n if (fragmentShader === void 0) {\n throw new Error(`Missing fragment shader (${effect.name})`);\n } else if (mainUvExists && (data.attributes & EffectAttribute.CONVOLUTION) !== 0) {\n throw new Error(`Effects that transform UVs are incompatible with convolution effects (${effect.name})`);\n } else if (!mainImageExists && !mainUvExists) {\n throw new Error(`Could not find mainImage or mainUv function (${effect.name})`);\n } else {\n const functionRegExp = /\\w+\\s+(\\w+)\\([\\w\\s,]*\\)\\s*{/g;\n const shaderParts = data.shaderParts;\n let fragmentHead = shaderParts.get(EffectShaderSection.FRAGMENT_HEAD) || \"\";\n let fragmentMainUv = shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_UV) || \"\";\n let fragmentMainImage = shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_IMAGE) || \"\";\n let vertexHead = shaderParts.get(EffectShaderSection.VERTEX_HEAD) || \"\";\n let vertexMainSupport = shaderParts.get(EffectShaderSection.VERTEX_MAIN_SUPPORT) || \"\";\n const varyings = /* @__PURE__ */ new Set();\n const names = /* @__PURE__ */ new Set();\n if (mainUvExists) {\n fragmentMainUv += `\t${prefix}MainUv(UV);\n`;\n data.uvTransformation = true;\n }\n if (vertexShader !== null && /mainSupport/.test(vertexShader)) {\n const needsUv = /mainSupport *\\([\\w\\s]*?uv\\s*?\\)/.test(vertexShader);\n vertexMainSupport += `\t${prefix}MainSupport(`;\n vertexMainSupport += needsUv ? \"vUv);\\n\" : \");\\n\";\n for (const m2 of vertexShader.matchAll(/(?:varying\\s+\\w+\\s+([\\S\\s]*?);)/g)) {\n for (const n of m2[1].split(/\\s*,\\s*/)) {\n data.varyings.add(n);\n varyings.add(n);\n names.add(n);\n }\n }\n for (const m2 of vertexShader.matchAll(functionRegExp)) {\n names.add(m2[1]);\n }\n }\n for (const m2 of fragmentShader.matchAll(functionRegExp)) {\n names.add(m2[1]);\n }\n for (const d of effect.defines.keys()) {\n names.add(d.replace(/\\([\\w\\s,]*\\)/g, \"\"));\n }\n for (const u of effect.uniforms.keys()) {\n names.add(u);\n }\n names.delete(\"while\");\n names.delete(\"for\");\n names.delete(\"if\");\n effect.uniforms.forEach((val, key) => data.uniforms.set(prefix + key.charAt(0).toUpperCase() + key.slice(1), val));\n effect.defines.forEach((val, key) => data.defines.set(prefix + key.charAt(0).toUpperCase() + key.slice(1), val));\n const shaders = /* @__PURE__ */ new Map([[\"fragment\", fragmentShader], [\"vertex\", vertexShader]]);\n prefixSubstrings(prefix, names, data.defines);\n prefixSubstrings(prefix, names, shaders);\n fragmentShader = shaders.get(\"fragment\");\n vertexShader = shaders.get(\"vertex\");\n const blendMode = effect.blendMode;\n data.blendModes.set(blendMode.blendFunction, blendMode);\n if (mainImageExists) {\n if (effect.inputColorSpace !== null && effect.inputColorSpace !== data.colorSpace) {\n fragmentMainImage += effect.inputColorSpace === SRGBColorSpace14 ? \"color0 = sRGBTransferOETF(color0);\\n\t\" : \"color0 = sRGBToLinear(color0);\\n\t\";\n }\n if (effect.outputColorSpace !== NoColorSpace2) {\n data.colorSpace = effect.outputColorSpace;\n } else if (effect.inputColorSpace !== null) {\n data.colorSpace = effect.inputColorSpace;\n }\n const depthParamRegExp = /MainImage *\\([\\w\\s,]*?depth[\\w\\s,]*?\\)/;\n fragmentMainImage += `${prefix}MainImage(color0, UV, `;\n if ((data.attributes & EffectAttribute.DEPTH) !== 0 && depthParamRegExp.test(fragmentShader)) {\n fragmentMainImage += \"depth, \";\n data.readDepth = true;\n }\n fragmentMainImage += \"color1);\\n\t\";\n const blendOpacity = prefix + \"BlendOpacity\";\n data.uniforms.set(blendOpacity, blendMode.opacity);\n fragmentMainImage += `color0 = blend${blendMode.blendFunction}(color0, color1, ${blendOpacity});\n\n\t`;\n fragmentHead += `uniform float ${blendOpacity};\n\n`;\n }\n fragmentHead += fragmentShader + \"\\n\";\n if (vertexShader !== null) {\n vertexHead += vertexShader + \"\\n\";\n }\n shaderParts.set(EffectShaderSection.FRAGMENT_HEAD, fragmentHead);\n shaderParts.set(EffectShaderSection.FRAGMENT_MAIN_UV, fragmentMainUv);\n shaderParts.set(EffectShaderSection.FRAGMENT_MAIN_IMAGE, fragmentMainImage);\n shaderParts.set(EffectShaderSection.VERTEX_HEAD, vertexHead);\n shaderParts.set(EffectShaderSection.VERTEX_MAIN_SUPPORT, vertexMainSupport);\n if (effect.extensions !== null) {\n for (const extension of effect.extensions) {\n data.extensions.add(extension);\n }\n }\n }\n}\nvar EffectPass = class extends Pass {\n /**\n * Constructs a new effect pass.\n *\n * @param {Camera} camera - The main camera.\n * @param {...Effect} effects - The effects that will be rendered by this pass.\n */\n constructor(camera, ...effects) {\n super(\"EffectPass\");\n this.fullscreenMaterial = new EffectMaterial(null, null, null, camera);\n this.listener = (event) => this.handleEvent(event);\n this.effects = [];\n this.setEffects(effects);\n this.skipRendering = false;\n this.minTime = 1;\n this.maxTime = Number.POSITIVE_INFINITY;\n this.timeScale = 1;\n }\n set mainScene(value) {\n for (const effect of this.effects) {\n effect.mainScene = value;\n }\n }\n set mainCamera(value) {\n this.fullscreenMaterial.copyCameraSettings(value);\n for (const effect of this.effects) {\n effect.mainCamera = value;\n }\n }\n /**\n * Indicates whether this pass encodes its output when rendering to screen.\n *\n * @type {Boolean}\n * @deprecated Use fullscreenMaterial.encodeOutput instead.\n */\n get encodeOutput() {\n return this.fullscreenMaterial.encodeOutput;\n }\n set encodeOutput(value) {\n this.fullscreenMaterial.encodeOutput = value;\n }\n /**\n * Indicates whether dithering is enabled.\n *\n * @type {Boolean}\n */\n get dithering() {\n return this.fullscreenMaterial.dithering;\n }\n set dithering(value) {\n const material = this.fullscreenMaterial;\n material.dithering = value;\n material.needsUpdate = true;\n }\n /**\n * Sets the effects.\n *\n * @param {Effect[]} effects - The effects.\n * @protected\n */\n setEffects(effects) {\n for (const effect of this.effects) {\n effect.removeEventListener(\"change\", this.listener);\n }\n this.effects = effects.sort((a, b) => b.attributes - a.attributes);\n for (const effect of this.effects) {\n effect.addEventListener(\"change\", this.listener);\n }\n }\n /**\n * Updates the compound shader material.\n *\n * @protected\n */\n updateMaterial() {\n const data = new EffectShaderData();\n let id = 0;\n for (const effect of this.effects) {\n if (effect.blendMode.blendFunction === BlendFunction.DST) {\n data.attributes |= effect.getAttributes() & EffectAttribute.DEPTH;\n } else if ((data.attributes & effect.getAttributes() & EffectAttribute.CONVOLUTION) !== 0) {\n throw new Error(`Convolution effects cannot be merged (${effect.name})`);\n } else {\n integrateEffect(\"e\" + id++, effect, data);\n }\n }\n let fragmentHead = data.shaderParts.get(EffectShaderSection.FRAGMENT_HEAD);\n let fragmentMainImage = data.shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_IMAGE);\n let fragmentMainUv = data.shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_UV);\n const blendRegExp = /\\bblend\\b/g;\n for (const blendMode of data.blendModes.values()) {\n fragmentHead += blendMode.getShaderCode().replace(blendRegExp, `blend${blendMode.blendFunction}`) + \"\\n\";\n }\n if ((data.attributes & EffectAttribute.DEPTH) !== 0) {\n if (data.readDepth) {\n fragmentMainImage = \"float depth = readDepth(UV);\\n\\n\t\" + fragmentMainImage;\n }\n this.needsDepthTexture = this.getDepthTexture() === null;\n } else {\n this.needsDepthTexture = false;\n }\n if (data.colorSpace === SRGBColorSpace14) {\n fragmentMainImage += \"color0 = sRGBToLinear(color0);\\n\t\";\n }\n if (data.uvTransformation) {\n fragmentMainUv = \"vec2 transformedUv = vUv;\\n\" + fragmentMainUv;\n data.defines.set(\"UV\", \"transformedUv\");\n } else {\n data.defines.set(\"UV\", \"vUv\");\n }\n data.shaderParts.set(EffectShaderSection.FRAGMENT_HEAD, fragmentHead);\n data.shaderParts.set(EffectShaderSection.FRAGMENT_MAIN_IMAGE, fragmentMainImage);\n data.shaderParts.set(EffectShaderSection.FRAGMENT_MAIN_UV, fragmentMainUv);\n for (const [key, value] of data.shaderParts) {\n if (value !== null) {\n data.shaderParts.set(key, value.trim().replace(/^#/, \"\\n#\"));\n }\n }\n this.skipRendering = id === 0;\n this.needsSwap = !this.skipRendering;\n this.fullscreenMaterial.setShaderData(data);\n }\n /**\n * Rebuilds the shader material.\n */\n recompile() {\n this.updateMaterial();\n }\n /**\n * Returns the current depth texture.\n *\n * @return {Texture} The current depth texture, or null if there is none.\n */\n getDepthTexture() {\n return this.fullscreenMaterial.depthBuffer;\n }\n /**\n * Sets the depth texture.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking19) {\n this.fullscreenMaterial.depthBuffer = depthTexture;\n this.fullscreenMaterial.depthPacking = depthPacking;\n for (const effect of this.effects) {\n effect.setDepthTexture(depthTexture, depthPacking);\n }\n }\n /**\n * Renders the effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n for (const effect of this.effects) {\n effect.update(renderer, inputBuffer, deltaTime);\n }\n if (!this.skipRendering || this.renderToScreen) {\n const material = this.fullscreenMaterial;\n material.inputBuffer = inputBuffer.texture;\n material.time += deltaTime * this.timeScale;\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(this.scene, this.camera);\n }\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.fullscreenMaterial.setSize(width, height);\n for (const effect of this.effects) {\n effect.setSize(width, height);\n }\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n this.renderer = renderer;\n for (const effect of this.effects) {\n effect.initialize(renderer, alpha, frameBufferType);\n }\n this.updateMaterial();\n if (frameBufferType !== void 0 && frameBufferType !== UnsignedByteType15) {\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n }\n }\n /**\n * Deletes disposable objects.\n */\n dispose() {\n super.dispose();\n for (const effect of this.effects) {\n effect.removeEventListener(\"change\", this.listener);\n effect.dispose();\n }\n }\n /**\n * Handles events.\n *\n * @param {Event} event - An event.\n */\n handleEvent(event) {\n switch (event.type) {\n case \"change\":\n this.recompile();\n break;\n }\n }\n};\n\n// src/passes/GaussianBlurPass.js\nimport { SRGBColorSpace as SRGBColorSpace15, UnsignedByteType as UnsignedByteType16, WebGLRenderTarget as WebGLRenderTarget22 } from \"three\";\nvar GaussianBlurPass = class extends Pass {\n /**\n * Constructs a new Gaussian blur pass.\n *\n * @param {Object} [options] - The options.\n * @param {Number} [options.kernelSize=35] - The kernel size. Should be an odd number in the range [3, 1020].\n * @param {Number} [options.iterations=1] - The amount of times the blur should be applied.\n * @param {Number} [options.resolutionScale=1.0] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n */\n constructor({\n kernelSize = 35,\n iterations = 1,\n resolutionScale = 1,\n resolutionX = Resolution.AUTO_SIZE,\n resolutionY = Resolution.AUTO_SIZE\n } = {}) {\n super(\"GaussianBlurPass\");\n this.renderTargetA = new WebGLRenderTarget22(1, 1, { depthBuffer: false });\n this.renderTargetA.texture.name = \"Blur.Target.A\";\n this.renderTargetB = this.renderTargetA.clone();\n this.renderTargetB.texture.name = \"Blur.Target.B\";\n this.blurMaterial = new GaussianBlurMaterial({ kernelSize });\n this.copyMaterial = new CopyMaterial();\n this.copyMaterial.inputBuffer = this.renderTargetB.texture;\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.iterations = iterations;\n }\n /**\n * Renders the blur.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const scene = this.scene;\n const camera = this.camera;\n const renderTargetA = this.renderTargetA;\n const renderTargetB = this.renderTargetB;\n const blurMaterial = this.blurMaterial;\n this.fullscreenMaterial = blurMaterial;\n let previousBuffer = inputBuffer;\n for (let i = 0, l = Math.max(this.iterations, 1); i < l; ++i) {\n blurMaterial.direction.set(1, 0);\n blurMaterial.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(renderTargetA);\n renderer.render(scene, camera);\n blurMaterial.direction.set(0, 1);\n blurMaterial.inputBuffer = renderTargetA.texture;\n renderer.setRenderTarget(renderTargetB);\n renderer.render(scene, camera);\n if (i === 0 && l > 1) {\n previousBuffer = renderTargetB;\n }\n }\n this.fullscreenMaterial = this.copyMaterial;\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(scene, camera);\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.renderTargetA.setSize(w, h);\n this.renderTargetB.setSize(w, h);\n this.blurMaterial.setSize(width, height);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0) {\n this.renderTargetA.texture.type = frameBufferType;\n this.renderTargetB.texture.type = frameBufferType;\n if (frameBufferType !== UnsignedByteType16) {\n this.blurMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n this.copyMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace15) {\n this.renderTargetA.texture.colorSpace = SRGBColorSpace15;\n this.renderTargetB.texture.colorSpace = SRGBColorSpace15;\n }\n }\n }\n};\n\n// src/passes/LambdaPass.js\nvar LambdaPass = class extends Pass {\n /**\n * Constructs a new lambda pass.\n *\n * @param {Function} f - A function.\n */\n constructor(f) {\n super(\"LambdaPass\", null, null);\n this.needsSwap = false;\n this.f = f;\n }\n /**\n * Executes the function.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n this.f();\n }\n};\n\n// src/passes/NormalPass.js\nimport { Color as Color9, MeshNormalMaterial, NearestFilter as NearestFilter8, WebGLRenderTarget as WebGLRenderTarget23 } from \"three\";\nvar NormalPass = class extends Pass {\n /**\n * Constructs a new normal pass.\n *\n * @param {Scene} scene - The scene to render.\n * @param {Camera} camera - The camera to use to render the scene.\n * @param {Object} [options] - The options.\n * @param {WebGLRenderTarget} [options.renderTarget] - A custom render target.\n * @param {Number} [options.resolutionScale=1.0] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n * @param {Number} [options.width=Resolution.AUTO_SIZE] - Deprecated. Use resolutionX instead.\n * @param {Number} [options.height=Resolution.AUTO_SIZE] - Deprecated. Use resolutionY instead.\n */\n constructor(scene, camera, {\n renderTarget,\n resolutionScale = 1,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"NormalPass\");\n this.needsSwap = false;\n this.renderPass = new RenderPass(scene, camera, new MeshNormalMaterial());\n const renderPass = this.renderPass;\n renderPass.ignoreBackground = true;\n renderPass.skipShadowMapUpdate = true;\n const clearPass = renderPass.getClearPass();\n clearPass.overrideClearColor = new Color9(7829503);\n clearPass.overrideClearAlpha = 1;\n this.renderTarget = renderTarget;\n if (this.renderTarget === void 0) {\n this.renderTarget = new WebGLRenderTarget23(1, 1, {\n minFilter: NearestFilter8,\n magFilter: NearestFilter8\n });\n this.renderTarget.texture.name = \"NormalPass.Target\";\n }\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n set mainScene(value) {\n this.renderPass.mainScene = value;\n }\n set mainCamera(value) {\n this.renderPass.mainCamera = value;\n }\n /**\n * The normal texture.\n *\n * @type {Texture}\n */\n get texture() {\n return this.renderTarget.texture;\n }\n /**\n * The normal texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.renderTarget.texture;\n }\n /**\n * Returns the resolution settings.\n *\n * @deprecated Use resolution instead.\n * @return {Resolution} The resolution.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * Returns the current resolution scale.\n *\n * @return {Number} The resolution scale.\n * @deprecated Use resolution.preferredWidth or resolution.preferredHeight instead.\n */\n getResolutionScale() {\n return this.resolution.scale;\n }\n /**\n * Sets the resolution scale.\n *\n * @param {Number} scale - The new resolution scale.\n * @deprecated Use resolution.preferredWidth or resolution.preferredHeight instead.\n */\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n /**\n * Renders the scene normals.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const renderTarget = this.renderToScreen ? null : this.renderTarget;\n this.renderPass.render(renderer, renderTarget, renderTarget);\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n }\n};\n\n// src/textures/lut/TetrahedralUpscaler.js\nvar P = [\n new Float32Array(3),\n new Float32Array(3)\n];\nvar C = [\n new Float32Array(3),\n new Float32Array(3),\n new Float32Array(3),\n new Float32Array(3)\n];\nvar T = [\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([1, 0, 0]),\n new Float32Array([1, 1, 0]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([1, 0, 0]),\n new Float32Array([1, 0, 1]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([0, 0, 1]),\n new Float32Array([1, 0, 1]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([0, 1, 0]),\n new Float32Array([1, 1, 0]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([0, 1, 0]),\n new Float32Array([0, 1, 1]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([0, 0, 1]),\n new Float32Array([0, 1, 1]),\n new Float32Array([1, 1, 1])\n ]\n];\nfunction calculateTetrahedronVolume(a, b, c2, d) {\n const bcX = c2[0] - b[0];\n const bcY = c2[1] - b[1];\n const bcZ = c2[2] - b[2];\n const baX = a[0] - b[0];\n const baY = a[1] - b[1];\n const baZ = a[2] - b[2];\n const crossX = bcY * baZ - bcZ * baY;\n const crossY = bcZ * baX - bcX * baZ;\n const crossZ = bcX * baY - bcY * baX;\n const length = Math.sqrt(crossX * crossX + crossY * crossY + crossZ * crossZ);\n const triangleArea = length * 0.5;\n const normalX = crossX / length;\n const normalY = crossY / length;\n const normalZ = crossZ / length;\n const constant = -(a[0] * normalX + a[1] * normalY + a[2] * normalZ);\n const dot = d[0] * normalX + d[1] * normalY + d[2] * normalZ;\n const height = Math.abs(dot + constant);\n return height * triangleArea / 3;\n}\nfunction sample(data, size, x, y, z, color2) {\n const i4 = (x + y * size + z * size * size) * 4;\n color2[0] = data[i4 + 0];\n color2[1] = data[i4 + 1];\n color2[2] = data[i4 + 2];\n}\nfunction tetrahedralSample(data, size, u, v3, w, color2) {\n const px = u * (size - 1);\n const py = v3 * (size - 1);\n const pz = w * (size - 1);\n const minX = Math.floor(px);\n const minY = Math.floor(py);\n const minZ = Math.floor(pz);\n const maxX = Math.ceil(px);\n const maxY = Math.ceil(py);\n const maxZ = Math.ceil(pz);\n const su = px - minX;\n const sv = py - minY;\n const sw = pz - minZ;\n if (minX === px && minY === py && minZ === pz) {\n sample(data, size, px, py, pz, color2);\n } else {\n let vertices;\n if (su >= sv && sv >= sw) {\n vertices = T[0];\n } else if (su >= sw && sw >= sv) {\n vertices = T[1];\n } else if (sw >= su && su >= sv) {\n vertices = T[2];\n } else if (sv >= su && su >= sw) {\n vertices = T[3];\n } else if (sv >= sw && sw >= su) {\n vertices = T[4];\n } else if (sw >= sv && sv >= su) {\n vertices = T[5];\n }\n const [P0, P1, P2, P3] = vertices;\n const coords = P[0];\n coords[0] = su;\n coords[1] = sv;\n coords[2] = sw;\n const tmp = P[1];\n const diffX = maxX - minX;\n const diffY = maxY - minY;\n const diffZ = maxZ - minZ;\n tmp[0] = diffX * P0[0] + minX;\n tmp[1] = diffY * P0[1] + minY;\n tmp[2] = diffZ * P0[2] + minZ;\n sample(data, size, tmp[0], tmp[1], tmp[2], C[0]);\n tmp[0] = diffX * P1[0] + minX;\n tmp[1] = diffY * P1[1] + minY;\n tmp[2] = diffZ * P1[2] + minZ;\n sample(data, size, tmp[0], tmp[1], tmp[2], C[1]);\n tmp[0] = diffX * P2[0] + minX;\n tmp[1] = diffY * P2[1] + minY;\n tmp[2] = diffZ * P2[2] + minZ;\n sample(data, size, tmp[0], tmp[1], tmp[2], C[2]);\n tmp[0] = diffX * P3[0] + minX;\n tmp[1] = diffY * P3[1] + minY;\n tmp[2] = diffZ * P3[2] + minZ;\n sample(data, size, tmp[0], tmp[1], tmp[2], C[3]);\n const V0 = calculateTetrahedronVolume(P1, P2, P3, coords) * 6;\n const V1 = calculateTetrahedronVolume(P0, P2, P3, coords) * 6;\n const V2 = calculateTetrahedronVolume(P0, P1, P3, coords) * 6;\n const V3 = calculateTetrahedronVolume(P0, P1, P2, coords) * 6;\n C[0][0] *= V0;\n C[0][1] *= V0;\n C[0][2] *= V0;\n C[1][0] *= V1;\n C[1][1] *= V1;\n C[1][2] *= V1;\n C[2][0] *= V2;\n C[2][1] *= V2;\n C[2][2] *= V2;\n C[3][0] *= V3;\n C[3][1] *= V3;\n C[3][2] *= V3;\n color2[0] = C[0][0] + C[1][0] + C[2][0] + C[3][0];\n color2[1] = C[0][1] + C[1][1] + C[2][1] + C[3][1];\n color2[2] = C[0][2] + C[1][2] + C[2][2] + C[3][2];\n }\n}\nvar TetrahedralUpscaler = class {\n /**\n * Expands the given data to the target size.\n *\n * @param {TypedArray} data - The input RGBA data. Assumed to be cubic.\n * @param {Number} size - The target size.\n * @return {TypedArray} The new data.\n */\n static expand(data, size) {\n const originalSize = Math.cbrt(data.length / 4);\n const rgb = new Float32Array(3);\n const array = new data.constructor(size ** 3 * 4);\n const maxValue = data instanceof Uint8Array ? 255 : 1;\n const sizeSq = size ** 2;\n const s = 1 / (size - 1);\n for (let z = 0; z < size; ++z) {\n for (let y = 0; y < size; ++y) {\n for (let x = 0; x < size; ++x) {\n const u = x * s;\n const v3 = y * s;\n const w = z * s;\n const i4 = Math.round(x + y * size + z * sizeSq) * 4;\n tetrahedralSample(data, originalSize, u, v3, w, rgb);\n array[i4 + 0] = rgb[0];\n array[i4 + 1] = rgb[1];\n array[i4 + 2] = rgb[2];\n array[i4 + 3] = maxValue;\n }\n }\n }\n return array;\n }\n};\n\n// src/textures/smaa/SMAAAreaImageData.js\nvar area = [\n new Float32Array(2),\n new Float32Array(2)\n];\nvar ORTHOGONAL_SIZE = 16;\nvar DIAGONAL_SIZE = 20;\nvar DIAGONAL_SAMPLES = 30;\nvar SMOOTH_MAX_DISTANCE = 32;\nvar orthogonalSubsamplingOffsets = new Float32Array([\n 0,\n -0.25,\n 0.25,\n -0.125,\n 0.125,\n -0.375,\n 0.375\n]);\nvar diagonalSubsamplingOffsets = [\n new Float32Array([0, 0]),\n new Float32Array([0.25, -0.25]),\n new Float32Array([-0.25, 0.25]),\n new Float32Array([0.125, -0.125]),\n new Float32Array([-0.125, 0.125])\n];\nvar orthogonalEdges = [\n new Uint8Array([0, 0]),\n new Uint8Array([3, 0]),\n new Uint8Array([0, 3]),\n new Uint8Array([3, 3]),\n new Uint8Array([1, 0]),\n new Uint8Array([4, 0]),\n new Uint8Array([1, 3]),\n new Uint8Array([4, 3]),\n new Uint8Array([0, 1]),\n new Uint8Array([3, 1]),\n new Uint8Array([0, 4]),\n new Uint8Array([3, 4]),\n new Uint8Array([1, 1]),\n new Uint8Array([4, 1]),\n new Uint8Array([1, 4]),\n new Uint8Array([4, 4])\n];\nvar diagonalEdges = [\n new Uint8Array([0, 0]),\n new Uint8Array([1, 0]),\n new Uint8Array([0, 2]),\n new Uint8Array([1, 2]),\n new Uint8Array([2, 0]),\n new Uint8Array([3, 0]),\n new Uint8Array([2, 2]),\n new Uint8Array([3, 2]),\n new Uint8Array([0, 1]),\n new Uint8Array([1, 1]),\n new Uint8Array([0, 3]),\n new Uint8Array([1, 3]),\n new Uint8Array([2, 1]),\n new Uint8Array([3, 1]),\n new Uint8Array([2, 3]),\n new Uint8Array([3, 3])\n];\nfunction lerp(a, b, p) {\n return a + (b - a) * p;\n}\nfunction saturate(a) {\n return Math.min(Math.max(a, 0), 1);\n}\nfunction smoothArea(d) {\n const a1 = area[0];\n const a2 = area[1];\n const b1X = Math.sqrt(a1[0] * 2) * 0.5;\n const b1Y = Math.sqrt(a1[1] * 2) * 0.5;\n const b2X = Math.sqrt(a2[0] * 2) * 0.5;\n const b2Y = Math.sqrt(a2[1] * 2) * 0.5;\n const p = saturate(d / SMOOTH_MAX_DISTANCE);\n a1[0] = lerp(b1X, a1[0], p);\n a1[1] = lerp(b1Y, a1[1], p);\n a2[0] = lerp(b2X, a2[0], p);\n a2[1] = lerp(b2Y, a2[1], p);\n}\nfunction getOrthArea(p1X, p1Y, p2X, p2Y, x, result) {\n const dX = p2X - p1X;\n const dY = p2Y - p1Y;\n const x1 = x;\n const x2 = x + 1;\n const y1 = p1Y + dY * (x1 - p1X) / dX;\n const y2 = p1Y + dY * (x2 - p1X) / dX;\n if (x1 >= p1X && x1 < p2X || x2 > p1X && x2 <= p2X) {\n if (Math.sign(y1) === Math.sign(y2) || Math.abs(y1) < 1e-4 || Math.abs(y2) < 1e-4) {\n const a = (y1 + y2) / 2;\n if (a < 0) {\n result[0] = Math.abs(a);\n result[1] = 0;\n } else {\n result[0] = 0;\n result[1] = Math.abs(a);\n }\n } else {\n const t = -p1Y * dX / dY + p1X;\n const tInt = Math.trunc(t);\n const a1 = t > p1X ? y1 * (t - tInt) / 2 : 0;\n const a2 = t < p2X ? y2 * (1 - (t - tInt)) / 2 : 0;\n const a = Math.abs(a1) > Math.abs(a2) ? a1 : -a2;\n if (a < 0) {\n result[0] = Math.abs(a1);\n result[1] = Math.abs(a2);\n } else {\n result[0] = Math.abs(a2);\n result[1] = Math.abs(a1);\n }\n }\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n return result;\n}\nfunction getOrthAreaForPattern(pattern, left, right, offset, result) {\n const a1 = area[0];\n const a2 = area[1];\n const o1 = 0.5 + offset;\n const o2 = 0.5 + offset - 1;\n const d = left + right + 1;\n switch (pattern) {\n case 0: {\n result[0] = 0;\n result[1] = 0;\n break;\n }\n case 1: {\n if (left <= right) {\n getOrthArea(0, o2, d / 2, 0, left, result);\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n break;\n }\n case 2: {\n if (left >= right) {\n getOrthArea(d / 2, 0, d, o2, left, result);\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n break;\n }\n case 3: {\n getOrthArea(0, o2, d / 2, 0, left, a1);\n getOrthArea(d / 2, 0, d, o2, left, a2);\n smoothArea(d, area);\n result[0] = a1[0] + a2[0];\n result[1] = a1[1] + a2[1];\n break;\n }\n case 4: {\n if (left <= right) {\n getOrthArea(0, o1, d / 2, 0, left, result);\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n break;\n }\n case 5: {\n result[0] = 0;\n result[1] = 0;\n break;\n }\n case 6: {\n if (Math.abs(offset) > 0) {\n getOrthArea(0, o1, d, o2, left, a1);\n getOrthArea(0, o1, d / 2, 0, left, a2);\n getOrthArea(d / 2, 0, d, o2, left, result);\n a2[0] = a2[0] + result[0];\n a2[1] = a2[1] + result[1];\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n } else {\n getOrthArea(0, o1, d, o2, left, result);\n }\n break;\n }\n case 7: {\n getOrthArea(0, o1, d, o2, left, result);\n break;\n }\n case 8: {\n if (left >= right) {\n getOrthArea(d / 2, 0, d, o1, left, result);\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n break;\n }\n case 9: {\n if (Math.abs(offset) > 0) {\n getOrthArea(0, o2, d, o1, left, a1);\n getOrthArea(0, o2, d / 2, 0, left, a2);\n getOrthArea(d / 2, 0, d, o1, left, result);\n a2[0] = a2[0] + result[0];\n a2[1] = a2[1] + result[1];\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n } else {\n getOrthArea(0, o2, d, o1, left, result);\n }\n break;\n }\n case 10: {\n result[0] = 0;\n result[1] = 0;\n break;\n }\n case 11: {\n getOrthArea(0, o2, d, o1, left, result);\n break;\n }\n case 12: {\n getOrthArea(0, o1, d / 2, 0, left, a1);\n getOrthArea(d / 2, 0, d, o1, left, a2);\n smoothArea(d, area);\n result[0] = a1[0] + a2[0];\n result[1] = a1[1] + a2[1];\n break;\n }\n case 13: {\n getOrthArea(0, o2, d, o1, left, result);\n break;\n }\n case 14: {\n getOrthArea(0, o1, d, o2, left, result);\n break;\n }\n case 15: {\n result[0] = 0;\n result[1] = 0;\n break;\n }\n }\n return result;\n}\nfunction isInsideArea(a1X, a1Y, a2X, a2Y, x, y) {\n let result = a1X === a2X && a1Y === a2Y;\n if (!result) {\n const xm = (a1X + a2X) / 2;\n const ym = (a1Y + a2Y) / 2;\n const a = a2Y - a1Y;\n const b = a1X - a2X;\n const c2 = a * (x - xm) + b * (y - ym);\n result = c2 > 0;\n }\n return result;\n}\nfunction getDiagAreaForPixel(a1X, a1Y, a2X, a2Y, pX, pY) {\n let n = 0;\n for (let y = 0; y < DIAGONAL_SAMPLES; ++y) {\n for (let x = 0; x < DIAGONAL_SAMPLES; ++x) {\n const offsetX = x / (DIAGONAL_SAMPLES - 1);\n const offsetY = y / (DIAGONAL_SAMPLES - 1);\n if (isInsideArea(a1X, a1Y, a2X, a2Y, pX + offsetX, pY + offsetY)) {\n ++n;\n }\n }\n }\n return n / (DIAGONAL_SAMPLES * DIAGONAL_SAMPLES);\n}\nfunction getDiagArea(pattern, a1X, a1Y, a2X, a2Y, left, offset, result) {\n const e = diagonalEdges[pattern];\n const e1 = e[0];\n const e2 = e[1];\n if (e1 > 0) {\n a1X += offset[0];\n a1Y += offset[1];\n }\n if (e2 > 0) {\n a2X += offset[0];\n a2Y += offset[1];\n }\n result[0] = 1 - getDiagAreaForPixel(a1X, a1Y, a2X, a2Y, 1 + left, 0 + left);\n result[1] = getDiagAreaForPixel(a1X, a1Y, a2X, a2Y, 1 + left, 1 + left);\n return result;\n}\nfunction getDiagAreaForPattern(pattern, left, right, offset, result) {\n const a1 = area[0];\n const a2 = area[1];\n const d = left + right + 1;\n switch (pattern) {\n case 0: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 1: {\n getDiagArea(pattern, 1, 0, 0 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 2: {\n getDiagArea(pattern, 0, 0, 1 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 3: {\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, result);\n break;\n }\n case 4: {\n getDiagArea(pattern, 1, 1, 0 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 5: {\n getDiagArea(pattern, 1, 1, 0 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 6: {\n getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, result);\n break;\n }\n case 7: {\n getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 8: {\n getDiagArea(pattern, 0, 0, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 9: {\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, result);\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, result);\n break;\n }\n case 10: {\n getDiagArea(pattern, 0, 0, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 11: {\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 12: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, result);\n break;\n }\n case 13: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 14: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 15: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n }\n return result;\n}\nfunction generatePatterns(patterns, offset, orthogonal) {\n const result = new Float32Array(2);\n for (let i = 0, l = patterns.length; i < l; ++i) {\n const pattern = patterns[i];\n const data = pattern.data;\n const size = pattern.width;\n for (let y = 0; y < size; ++y) {\n for (let x = 0; x < size; ++x) {\n if (orthogonal) {\n getOrthAreaForPattern(i, x, y, offset, result);\n } else {\n getDiagAreaForPattern(i, x, y, offset, result);\n }\n const c2 = (y * size + x) * 2;\n data[c2] = result[0] * 255;\n data[c2 + 1] = result[1] * 255;\n }\n }\n }\n}\nfunction assemble(baseX, baseY, patterns, edges2, size, orthogonal, target) {\n const dstData = target.data;\n const dstWidth = target.width;\n for (let i = 0, l = patterns.length; i < l; ++i) {\n const edge = edges2[i];\n const pattern = patterns[i];\n const srcData = pattern.data;\n const srcWidth = pattern.width;\n for (let y = 0; y < size; ++y) {\n for (let x = 0; x < size; ++x) {\n const pX = edge[0] * size + baseX + x;\n const pY = edge[1] * size + baseY + y;\n const c2 = (pY * dstWidth + pX) * 4;\n const d = orthogonal ? (y * y * srcWidth + x * x) * 2 : (y * srcWidth + x) * 2;\n dstData[c2] = srcData[d];\n dstData[c2 + 1] = srcData[d + 1];\n dstData[c2 + 2] = 0;\n dstData[c2 + 3] = 255;\n }\n }\n }\n}\nvar SMAAAreaImageData = class {\n /**\n * Creates a new area image.\n *\n * @return {RawImageData} The generated image data.\n */\n static generate() {\n const width = 2 * 5 * ORTHOGONAL_SIZE;\n const height = orthogonalSubsamplingOffsets.length * 5 * ORTHOGONAL_SIZE;\n const data = new Uint8ClampedArray(width * height * 4);\n const result = new RawImageData(width, height, data);\n const orthPatternSize = Math.pow(ORTHOGONAL_SIZE - 1, 2) + 1;\n const diagPatternSize = DIAGONAL_SIZE;\n const orthogonalPatterns = [];\n const diagonalPatterns = [];\n for (let i = 3, l = data.length; i < l; i += 4) {\n data[i] = 255;\n }\n for (let i = 0; i < 16; ++i) {\n orthogonalPatterns.push(new RawImageData(\n orthPatternSize,\n orthPatternSize,\n new Uint8ClampedArray(orthPatternSize * orthPatternSize * 2),\n 2\n ));\n diagonalPatterns.push(new RawImageData(\n diagPatternSize,\n diagPatternSize,\n new Uint8ClampedArray(diagPatternSize * diagPatternSize * 2),\n 2\n ));\n }\n for (let i = 0, l = orthogonalSubsamplingOffsets.length; i < l; ++i) {\n generatePatterns(orthogonalPatterns, orthogonalSubsamplingOffsets[i], true);\n assemble(\n 0,\n 5 * ORTHOGONAL_SIZE * i,\n orthogonalPatterns,\n orthogonalEdges,\n ORTHOGONAL_SIZE,\n true,\n result\n );\n }\n for (let i = 0, l = diagonalSubsamplingOffsets.length; i < l; ++i) {\n generatePatterns(diagonalPatterns, diagonalSubsamplingOffsets[i], false);\n assemble(\n 5 * ORTHOGONAL_SIZE,\n 4 * DIAGONAL_SIZE * i,\n diagonalPatterns,\n diagonalEdges,\n DIAGONAL_SIZE,\n false,\n result\n );\n }\n return result;\n }\n};\n\n// src/textures/smaa/SMAAImageGenerator.js\nimport { LoadingManager as LoadingManager5 } from \"three\";\n\n// tmp/smaa/worker.txt\nvar worker_default2 = '\"use strict\";(()=>{function q(t,a,s){let e=document.createElement(\"canvas\"),n=e.getContext(\"2d\");if(e.width=t,e.height=a,s instanceof Image)n.drawImage(s,0,0);else{let r=n.createImageData(t,a);r.data.set(s),n.putImageData(r,0,0)}return e}var F=class t{constructor(a=0,s=0,e=null){this.width=a,this.height=s,this.data=e}toCanvas(){return typeof document==\"undefined\"?null:q(this.width,this.height,this.data)}static from(a){let{width:s,height:e}=a,n;if(a instanceof Image){let r=q(s,e,a);r!==null&&(n=r.getContext(\"2d\").getImageData(0,0,s,e).data)}else n=a.data;return new t(s,e,n)}};var M=[new Float32Array(2),new Float32Array(2)],D=16,W=20,I=30,j=32,v=new Float32Array([0,-.25,.25,-.125,.125,-.375,.375]),N=[new Float32Array([0,0]),new Float32Array([.25,-.25]),new Float32Array([-.25,.25]),new Float32Array([.125,-.125]),new Float32Array([-.125,.125])],z=[new Uint8Array([0,0]),new Uint8Array([3,0]),new Uint8Array([0,3]),new Uint8Array([3,3]),new Uint8Array([1,0]),new Uint8Array([4,0]),new Uint8Array([1,3]),new Uint8Array([4,3]),new Uint8Array([0,1]),new Uint8Array([3,1]),new Uint8Array([0,4]),new Uint8Array([3,4]),new Uint8Array([1,1]),new Uint8Array([4,1]),new Uint8Array([1,4]),new Uint8Array([4,4])],p=[new Uint8Array([0,0]),new Uint8Array([1,0]),new Uint8Array([0,2]),new Uint8Array([1,2]),new Uint8Array([2,0]),new Uint8Array([3,0]),new Uint8Array([2,2]),new Uint8Array([3,2]),new Uint8Array([0,1]),new Uint8Array([1,1]),new Uint8Array([0,3]),new Uint8Array([1,3]),new Uint8Array([2,1]),new Uint8Array([3,1]),new Uint8Array([2,3]),new Uint8Array([3,3])];function C(t,a,s){return t+(a-t)*s}function B(t){return Math.min(Math.max(t,0),1)}function _(t){let a=M[0],s=M[1],e=Math.sqrt(a[0]*2)*.5,n=Math.sqrt(a[1]*2)*.5,r=Math.sqrt(s[0]*2)*.5,o=Math.sqrt(s[1]*2)*.5,c=B(t/j);a[0]=C(e,a[0],c),a[1]=C(n,a[1],c),s[0]=C(r,s[0],c),s[1]=C(o,s[1],c)}function d(t,a,s,e,n,r){let o=s-t,c=e-a,h=n,i=n+1,w=a+c*(h-t)/o,b=a+c*(i-t)/o;if(h>=t&&ht&&i<=s)if(Math.sign(w)===Math.sign(b)||Math.abs(w)<1e-4||Math.abs(b)<1e-4){let g=(w+b)/2;g<0?(r[0]=Math.abs(g),r[1]=0):(r[0]=0,r[1]=Math.abs(g))}else{let g=-a*o/c+t,k=Math.trunc(g),m=g>t?w*(g-k)/2:0,U=gMath.abs(U)?m:-U)<0?(r[0]=Math.abs(m),r[1]=Math.abs(U)):(r[0]=Math.abs(U),r[1]=Math.abs(m))}else r[0]=0,r[1]=0;return r}function J(t,a,s,e,n){let r=M[0],o=M[1],c=.5+e,h=.5+e-1,i=a+s+1;switch(t){case 0:{n[0]=0,n[1]=0;break}case 1:{a<=s?d(0,h,i/2,0,a,n):(n[0]=0,n[1]=0);break}case 2:{a>=s?d(i/2,0,i,h,a,n):(n[0]=0,n[1]=0);break}case 3:{d(0,h,i/2,0,a,r),d(i/2,0,i,h,a,o),_(i,M),n[0]=r[0]+o[0],n[1]=r[1]+o[1];break}case 4:{a<=s?d(0,c,i/2,0,a,n):(n[0]=0,n[1]=0);break}case 5:{n[0]=0,n[1]=0;break}case 6:{Math.abs(e)>0?(d(0,c,i,h,a,r),d(0,c,i/2,0,a,o),d(i/2,0,i,h,a,n),o[0]=o[0]+n[0],o[1]=o[1]+n[1],n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2):d(0,c,i,h,a,n);break}case 7:{d(0,c,i,h,a,n);break}case 8:{a>=s?d(i/2,0,i,c,a,n):(n[0]=0,n[1]=0);break}case 9:{Math.abs(e)>0?(d(0,h,i,c,a,r),d(0,h,i/2,0,a,o),d(i/2,0,i,c,a,n),o[0]=o[0]+n[0],o[1]=o[1]+n[1],n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2):d(0,h,i,c,a,n);break}case 10:{n[0]=0,n[1]=0;break}case 11:{d(0,h,i,c,a,n);break}case 12:{d(0,c,i/2,0,a,r),d(i/2,0,i,c,a,o),_(i,M),n[0]=r[0]+o[0],n[1]=r[1]+o[1];break}case 13:{d(0,h,i,c,a,n);break}case 14:{d(0,c,i,h,a,n);break}case 15:{n[0]=0,n[1]=0;break}}return n}function K(t,a,s,e,n,r){let o=t===s&&a===e;if(!o){let c=(t+s)/2,h=(a+e)/2,i=e-a,w=t-s;o=i*(n-c)+w*(r-h)>0}return o}function G(t,a,s,e,n,r){let o=0;for(let c=0;c0&&(a+=o[0],s+=o[1]),w>0&&(e+=o[0],n+=o[1]),c[0]=1-G(a,s,e,n,1+r,0+r),c[1]=G(a,s,e,n,1+r,1+r),c}function Q(t,a,s,e,n){let r=M[0],o=M[1],c=a+s+1;switch(t){case 0:{A(t,1,1,1+c,1+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 1:{A(t,1,0,0+c,0+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 2:{A(t,0,0,1+c,0+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 3:{A(t,1,0,1+c,0+c,a,e,n);break}case 4:{A(t,1,1,0+c,0+c,a,e,r),A(t,1,1,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 5:{A(t,1,1,0+c,0+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 6:{A(t,1,1,1+c,0+c,a,e,n);break}case 7:{A(t,1,1,1+c,0+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 8:{A(t,0,0,1+c,1+c,a,e,r),A(t,1,0,1+c,1+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 9:{A(t,1,0,1+c,1+c,a,e,n),A(t,1,0,1+c,1+c,a,e,n);break}case 10:{A(t,0,0,1+c,1+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 11:{A(t,1,0,1+c,1+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 12:{A(t,1,1,1+c,1+c,a,e,n);break}case 13:{A(t,1,1,1+c,1+c,a,e,r),A(t,1,0,1+c,1+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 14:{A(t,1,1,1+c,1+c,a,e,r),A(t,1,1,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 15:{A(t,1,1,1+c,1+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}}return n}function R(t,a,s){let e=new Float32Array(2);for(let n=0,r=t.length;n{let a=S.generate(),s=E.generate();postMessage({areaImageData:a,searchImageData:s},[a.data.buffer,s.data.buffer]),close()});})();\\n';\n\n// src/textures/smaa/SMAAImageGenerator.js\nfunction generate(useCache = true) {\n const workerURL = URL.createObjectURL(new Blob([worker_default2], {\n type: \"text/javascript\"\n }));\n const worker = new Worker(workerURL);\n URL.revokeObjectURL(workerURL);\n return new Promise((resolve, reject) => {\n worker.addEventListener(\"error\", (event) => reject(event.error));\n worker.addEventListener(\"message\", (event) => {\n const searchImageData = RawImageData.from(event.data.searchImageData);\n const areaImageData = RawImageData.from(event.data.areaImageData);\n const urls = [\n searchImageData.toCanvas().toDataURL(\"image/png\", 1),\n areaImageData.toCanvas().toDataURL(\"image/png\", 1)\n ];\n if (useCache) {\n localStorage.setItem(\"smaa-search\", urls[0]);\n localStorage.setItem(\"smaa-area\", urls[1]);\n }\n resolve(urls);\n });\n worker.postMessage(null);\n });\n}\nvar SMAAImageGenerator = class {\n /**\n * Constructs a new SMAA image generator.\n */\n constructor() {\n this.disableCache = false;\n }\n /**\n * Enables or disables caching via localStorage.\n *\n * @param {Boolean} value - Whether the cache should be enabled.\n */\n setCacheEnabled(value) {\n this.disableCache = !value;\n }\n /**\n * Generates the SMAA data images.\n *\n * @example\n * SMAAImageGenerator.generate().then(([search, area]) => {\n * const smaaEffect = new SMAAEffect(search, area);\n * });\n * @return {Promise} A promise that returns the search image and area image as a pair.\n */\n generate() {\n const useCache = !this.disableCache && window.localStorage !== void 0;\n const cachedURLs = useCache ? [\n localStorage.getItem(\"smaa-search\"),\n localStorage.getItem(\"smaa-area\")\n ] : [null, null];\n const promise = cachedURLs[0] !== null && cachedURLs[1] !== null ? Promise.resolve(cachedURLs) : generate(useCache);\n return promise.then((urls) => {\n return new Promise((resolve, reject) => {\n const searchImage = new Image();\n const areaImage = new Image();\n const manager = new LoadingManager5();\n manager.onLoad = () => resolve([searchImage, areaImage]);\n manager.onError = reject;\n searchImage.addEventListener(\"error\", (e) => manager.itemError(\"smaa-search\"));\n areaImage.addEventListener(\"error\", (e) => manager.itemError(\"smaa-area\"));\n searchImage.addEventListener(\"load\", () => manager.itemEnd(\"smaa-search\"));\n areaImage.addEventListener(\"load\", () => manager.itemEnd(\"smaa-area\"));\n manager.itemStart(\"smaa-search\");\n manager.itemStart(\"smaa-area\");\n searchImage.src = urls[0];\n areaImage.src = urls[1];\n });\n });\n }\n};\n\n// src/textures/smaa/SMAASearchImageData.js\nvar edges = /* @__PURE__ */ new Map([\n [bilinear(0, 0, 0, 0), new Float32Array([0, 0, 0, 0])],\n [bilinear(0, 0, 0, 1), new Float32Array([0, 0, 0, 1])],\n [bilinear(0, 0, 1, 0), new Float32Array([0, 0, 1, 0])],\n [bilinear(0, 0, 1, 1), new Float32Array([0, 0, 1, 1])],\n [bilinear(0, 1, 0, 0), new Float32Array([0, 1, 0, 0])],\n [bilinear(0, 1, 0, 1), new Float32Array([0, 1, 0, 1])],\n [bilinear(0, 1, 1, 0), new Float32Array([0, 1, 1, 0])],\n [bilinear(0, 1, 1, 1), new Float32Array([0, 1, 1, 1])],\n [bilinear(1, 0, 0, 0), new Float32Array([1, 0, 0, 0])],\n [bilinear(1, 0, 0, 1), new Float32Array([1, 0, 0, 1])],\n [bilinear(1, 0, 1, 0), new Float32Array([1, 0, 1, 0])],\n [bilinear(1, 0, 1, 1), new Float32Array([1, 0, 1, 1])],\n [bilinear(1, 1, 0, 0), new Float32Array([1, 1, 0, 0])],\n [bilinear(1, 1, 0, 1), new Float32Array([1, 1, 0, 1])],\n [bilinear(1, 1, 1, 0), new Float32Array([1, 1, 1, 0])],\n [bilinear(1, 1, 1, 1), new Float32Array([1, 1, 1, 1])]\n]);\nfunction lerp2(a, b, p) {\n return a + (b - a) * p;\n}\nfunction bilinear(e0, e1, e2, e3) {\n const a = lerp2(e0, e1, 1 - 0.25);\n const b = lerp2(e2, e3, 1 - 0.25);\n return lerp2(a, b, 1 - 0.125);\n}\nfunction deltaLeft(left, top) {\n let d = 0;\n if (top[3] === 1) {\n d += 1;\n }\n if (d === 1 && top[2] === 1 && left[1] !== 1 && left[3] !== 1) {\n d += 1;\n }\n return d;\n}\nfunction deltaRight(left, top) {\n let d = 0;\n if (top[3] === 1 && left[1] !== 1 && left[3] !== 1) {\n d += 1;\n }\n if (d === 1 && top[2] === 1 && left[0] !== 1 && left[2] !== 1) {\n d += 1;\n }\n return d;\n}\nvar SMAASearchImageData = class {\n /**\n * Creates a new search image.\n *\n * @return {RawImageData} The generated image data.\n */\n static generate() {\n const width = 66;\n const height = 33;\n const halfWidth = width / 2;\n const croppedWidth = 64;\n const croppedHeight = 16;\n const data = new Uint8ClampedArray(width * height);\n const croppedData = new Uint8ClampedArray(croppedWidth * croppedHeight * 4);\n for (let y = 0; y < height; ++y) {\n for (let x = 0; x < width; ++x) {\n const s = 0.03125 * x;\n const t = 0.03125 * y;\n if (edges.has(s) && edges.has(t)) {\n const e1 = edges.get(s);\n const e2 = edges.get(t);\n const i = y * width + x;\n data[i] = 127 * deltaLeft(e1, e2);\n data[i + halfWidth] = 127 * deltaRight(e1, e2);\n }\n }\n }\n for (let i = 0, y = height - croppedHeight; y < height; ++y) {\n for (let x = 0; x < croppedWidth; ++x, i += 4) {\n croppedData[i] = data[y * width + x];\n croppedData[i + 3] = 255;\n }\n }\n return new RawImageData(croppedWidth, croppedHeight, croppedData);\n }\n};\nexport {\n AdaptiveLuminanceMaterial,\n AdaptiveLuminancePass,\n BlendFunction,\n BlendMode,\n BloomEffect,\n KawaseBlurPass as BlurPass,\n BokehEffect,\n BokehMaterial,\n BoxBlurMaterial,\n BoxBlurPass,\n BrightnessContrastEffect,\n ChromaticAberrationEffect,\n CircleOfConfusionMaterial,\n ClearMaskPass,\n ClearPass,\n ColorAverageEffect,\n ColorChannel,\n ColorDepthEffect,\n EdgeDetectionMaterial as ColorEdgesMaterial,\n KawaseBlurMaterial as ConvolutionMaterial,\n CopyMaterial,\n CopyPass,\n DepthComparisonMaterial,\n DepthCopyMaterial,\n DepthCopyMode,\n DepthCopyPass,\n DepthDownsamplingMaterial,\n DepthDownsamplingPass,\n DepthEffect,\n DepthMaskMaterial,\n DepthOfFieldEffect,\n DepthPass,\n DepthPickingPass,\n DepthCopyPass as DepthSavePass,\n DepthTestStrategy,\n Disposable,\n DotScreenEffect,\n DownsamplingMaterial,\n EdgeDetectionMaterial,\n EdgeDetectionMode,\n Effect,\n EffectAttribute,\n EffectComposer,\n EffectMaterial,\n EffectPass,\n EffectShaderData,\n EffectShaderSection,\n FXAAEffect,\n GammaCorrectionEffect,\n GaussKernel,\n GaussianBlurMaterial,\n GaussianBlurPass,\n GlitchEffect,\n GlitchMode,\n GodRaysEffect,\n GodRaysMaterial,\n GridEffect,\n HueSaturationEffect,\n ImmutableTimer,\n Initializable,\n KawaseBlurMaterial,\n KawaseBlurPass,\n KernelSize,\n LUT1DEffect,\n LUT3DEffect,\n LUT3dlLoader,\n LUTCubeLoader,\n LUT3DEffect as LUTEffect,\n LUTOperation,\n LambdaPass,\n LensDistortionEffect,\n LookupTexture,\n LookupTexture as LookupTexture3D,\n LuminanceMaterial,\n LuminancePass,\n MaskFunction,\n MaskMaterial,\n MaskPass,\n MipmapBlurPass,\n NoiseEffect,\n NoiseTexture,\n NormalPass,\n OutlineMaterial as OutlineEdgesMaterial,\n OutlineEffect,\n OutlineMaterial,\n OverrideMaterialManager,\n Pass,\n PixelationEffect,\n PredicationMode,\n RawImageData,\n RealisticBokehEffect,\n RenderPass,\n Resizable,\n Resolution as Resizer,\n Resolution,\n SMAAAreaImageData,\n SMAAEffect,\n SMAAImageGenerator,\n SMAAImageLoader,\n SMAAPreset,\n SMAASearchImageData,\n SMAAWeightsMaterial,\n SSAOEffect,\n SSAOMaterial,\n CopyPass as SavePass,\n ScanlineEffect,\n EffectShaderSection as Section,\n Selection,\n SelectiveBloomEffect,\n SepiaEffect,\n ShaderPass,\n ShockWaveEffect,\n TetrahedralUpscaler,\n TextureEffect,\n TiltShiftBlurMaterial,\n TiltShiftBlurPass,\n TiltShiftEffect,\n Timer,\n ToneMappingEffect,\n ToneMappingMode,\n UpsamplingMaterial,\n VignetteEffect,\n VignetteTechnique,\n WebGLExtension,\n version\n};\n", "import { getScaleFactor } from './Scale';\n\n/**\n * @ignore\n */\nexport function getOrbitShaderFragment() {\n return `\n uniform sampler2D tex;\n\n in vec3 vColor;\n\n void main() {\n gl_FragColor = vec4(vColor, 1.0) * texture(tex, gl_PointCoord);\n }\n `;\n}\n\n/**\n * @ignore\n */\nexport function getOrbitShaderVertex() {\n return `\n in vec3 fuzzColor;\n in vec3 origin;\n \n in float visible;\n in float size;\n\n in float a;\n in float e;\n in float i;\n in float om;\n in float wBar;\n in float M;\n\n // Perihelion distance\n in float q;\n\n // CPU-computed term for parabolic orbits\n in float a0;\n\n out vec3 vColor;\n\n // Cube root helper that assumes param is positive\n float cbrt(float x) {\n return exp(log(x) / 3.0);\n }\n\n vec3 getPosNearParabolic() {\n // See https://stjarnhimlen.se/comp/ppcomp.html#17\n float b = sqrt(1.0 + a0 * a0);\n float W = cbrt(b + a0) - cbrt(b - a0);\n float f = (1.0 - e) / (1.0 + e);\n\n float a1 = 2.0 / 3.0 + (2.0 / 5.0) * W * W;\n float a2 = 7.0 / 5.0 + (33.0 / 35.0) * W * W + (37.0 / 175.0) * pow(W, 4.0);\n float a3 =\n W * W * (432.0 / 175.0 + (956.0 / 1125.0) * W * W + (84.0 / 1575.0) * pow(W, 4.0));\n\n float C = (W * W) / (1.0 + W * W);\n float g = f * C * C;\n float w = W * (1.0 + f * C * (a1 + a2 * g + a3 * g * g));\n\n // True anomaly\n float v = 2.0 * atan(w);\n // Heliocentric distance\n float r = (q * (1.0 + w * w)) / (1.0 + w * w * f);\n\n // Compute heliocentric coords.\n float i_rad = i;\n float o_rad = om;\n float p_rad = wBar;\n float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n return vec3(X, Y, Z);\n }\n\n vec3 getPosHyperbolic() {\n float F0 = M;\n for (int count = 0; count < 100; count++) {\n float F1 = (M + e * (F0 * cosh(F0) - sinh(F0))) / (e * cosh(F0) - 1.0);\n float lastdiff = abs(F1 - F0);\n F0 = F1;\n\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n float F = F0;\n\n float v = 2.0 * atan(sqrt((e + 1.0) / (e - 1.0))) * tanh(F / 2.0);\n float r = ${getScaleFactor().toFixed(\n 1,\n )} * (a * (1.0 - e * e)) / (1.0 + e * cos(v));\n\n // Compute heliocentric coords.\n float i_rad = i;\n float o_rad = om;\n float p_rad = wBar;\n float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n return vec3(X, Y, Z);\n }\n\n vec3 getPosEllipsoid() {\n float i_rad = i;\n float o_rad = om;\n float p_rad = wBar;\n\n // Estimate eccentric and true anom using iterative approximation (this\n // is normally an intergral).\n float E0 = M;\n float E1 = M + e * sin(E0);\n float lastdiff = abs(E1-E0);\n E0 = E1;\n\n for (int count = 0; count < 100; count++) {\n E1 = M + e * sin(E0);\n lastdiff = abs(E1-E0);\n E0 = E1;\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n\n float E = E0;\n float v = 2.0 * atan(sqrt((1.0+e)/(1.0-e)) * tan(E/2.0));\n\n // Compute radius vector.\n float r = ${getScaleFactor().toFixed(\n 1,\n )} * a * (1.0 - e * e) / (1.0 + e * cos(v));\n\n // Compute heliocentric coords.\n float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n return vec3(X, Y, Z);\n }\n\n vec3 getPos() {\n if (e > 0.9 && e < 1.2) {\n return getPosNearParabolic();\n } else if (e > 1.2) {\n return getPosHyperbolic();\n }\n return getPosEllipsoid();\n }\n\n void main() {\n vColor = fuzzColor;\n\n vec3 newpos = getPos() + origin;\n vec4 mvPosition = modelViewMatrix * vec4(newpos, 1.0);\n gl_PointSize = visible > 0.5 ? size : 0.0;\n gl_Position = projectionMatrix * mvPosition;\n }\n `;\n}\n\nexport const STAR_SHADER_FRAGMENT = `\n in vec3 vColor;\n \n void main() {\n float a = 1.0 - 2.0 * length(gl_PointCoord - vec2(0.5, 0.5));\n gl_FragColor = vec4(vColor, a);\n }\n`;\n\nexport const STAR_SHADER_VERTEX = `\n in float size;\n out vec3 vColor;\n\n void main() {\n vColor = color;\n vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);\n gl_PointSize = size;\n gl_Position = projectionMatrix * mvPosition;\n }\n`;\n\nexport const GENERIC_PARTICLE_SHADER_VERTEX = `\n in float size;\n in vec3 customColor;\n \n out vec3 vColor;\n \n void main() {\n vColor = customColor;\n vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);\n gl_PointSize = size * (300.0 / -mvPosition.z);\n gl_Position = projectionMatrix * mvPosition;\n }\n`;\n\nexport const GENERIC_PARTICLE_SHADER_FRAGMENT = `\n uniform vec3 color;\n uniform sampler2D tex;\n \n in vec3 vColor;\n\n void main() {\n gl_FragColor = vec4(color * vColor, 1.0);\n gl_FragColor = gl_FragColor * texture(tex, gl_PointCoord);\n if (gl_FragColor.a < ALPHATEST) discard;\n }\n`;\n\nexport const ATMOSPHERE_SHADER_VERTEX = `\n uniform vec3 lightPos;\n\n out vec2 vUv;\n out vec3 vecPos;\n out vec3 vecNormal;\n //varying vec3 vNormal;\n\n out vec3 vViewLightPos;\n\n void main() {\n //vNormal = normalize(normalMatrix * normal);\n //gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\n\n vUv = uv;\n // Since the light is in camera coordinates,\n // I'll need the vertex position in camera coords too\n vecPos = (modelViewMatrix * vec4(position, 1.0)).xyz;\n // That's NOT exacly how you should transform your\n // normals but this will work fine, since my model\n // matrix is pretty basic\n vecNormal = (modelViewMatrix * vec4(normal, 0.0)).xyz;\n vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz;\n gl_Position = projectionMatrix * vec4(vecPos, 1.0);\n }\n`;\n\n// With help from https://stackoverflow.com/questions/43621274/how-to-correctly-set-lighting-for-custom-shader-material\nexport const ATMOSPHERE_SHADER_FRAGMENT = `\n uniform float c;\n uniform float p;\n uniform vec3 color;\n\n in vec2 vUv;\n in vec3 vecPos;\n in vec3 vecNormal;\n in vec3 vViewLightPos;\n\n void main() {\n float intensity = pow(c - dot(vecNormal, vec3(0.0, 0.0, 1.0)), p);\n\n vec4 addedLights = vec4(0.0, 0.0, 0.0, 1.0);\n vec3 lightDirection = normalize(vecPos - vViewLightPos);\n addedLights.rgb += clamp(dot(-lightDirection, vecNormal), 0.0, 1.0)\n * 1.0 /* intensity */;\n // * pointLights[i].color\n\n gl_FragColor = vec4(color, 1.0) * intensity * addedLights;\n }\n`;\n\nexport const SPHERE_SHADER_VERTEX = `\n uniform vec3 lightPos;\n\n out vec2 vUv;\n out vec3 vNormal;\n out vec3 vViewPosition;\n out vec3 vViewLightPos;\n\n void main() {\n vUv = uv;\n vec4 vViewPosition4 = modelViewMatrix * vec4(position, 1.0);\n vViewPosition = vViewPosition4.xyz;\n vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz;\n vNormal = normalMatrix * normal;\n\n gl_Position = projectionMatrix * vViewPosition4;\n }\n`;\n\nexport const SPHERE_SHADER_FRAGMENT = `\n uniform sampler2D sphereTex;\n\n in vec2 vUv;\n in vec3 vNormal;\n in vec3 vViewPosition;\n in vec3 vViewLightPos;\n\n void main() {\n vec3 normal = normalize(vNormal);\n vec3 lightDir = normalize(vViewLightPos - vViewPosition);\n float lambertian = max(dot(normal, lightDir), 0.0);\n gl_FragColor = texture(sphereTex, vUv) * vec4(vec3(1.0) * lambertian, 1.0);\n }\n`;\n\nexport const RING_SHADER_VERTEX = `\n out vec3 vPos;\n out vec3 vWorldPosition;\n out vec3 vNormal;\n\n void main() {\n vPos = position;\n vec4 worldPosition = (modelMatrix * vec4(position, 1.));\n gl_Position = projectionMatrix * viewMatrix * vec4(worldPosition.xyz, 1.);\n\n vNormal = normalMatrix * normal;\n vWorldPosition = worldPosition.xyz;\n }\n`;\n\nexport const RING_SHADER_FRAGMENT = `\n uniform sampler2D ringTex;\n uniform float innerRadius;\n uniform float outerRadius;\n uniform vec3 lightPos;\n\n in vec3 vNormal;\n in vec3 vPos;\n in vec3 vWorldPosition;\n\n vec4 color() {\n vec2 uv = vec2(0);\n uv.x = (length(vPos) - innerRadius) / (outerRadius - innerRadius);\n if (uv.x < 0.0 || uv.x > 1.0) {\n discard;\n }\n\n vec4 pixel = texture(ringTex, uv);\n return pixel;\n }\n\n vec3 shadow() {\n vec3 lightDir = normalize(vPos - lightPos);\n vec3 planetPos = vec3(0);\n\n vec3 ringPos = vPos - planetPos;\n float posDotLightDir = dot(ringPos, lightDir);\n float posDotLightDir2 = posDotLightDir * posDotLightDir;\n\n // TODO(ian): Generalize this line.\n float radius = 0.0389259903; // radius of saturn in coordinate system\n float radius2 = radius * radius;\n\n if (posDotLightDir > 0.0 && dot(ringPos, ringPos) - posDotLightDir2 < radius2) {\n return vec3(0.0);\n }\n return vec3(1.0);\n }\n\n vec3 lights() {\n vec3 lightDirection = normalize(vWorldPosition - lightPos);\n float c = 0.35 + max(0.0, dot(vNormal, lightDirection)) * 0.4;\n\n return vec3(c);\n }\n\n void main() {\n // NOTE: The order of multiplication matters here. color() may call\n // discard, which would cause problems on some Windows graphics drivers if\n // it is a left operand.\n // https://github.com/typpo/spacekit/issues/22\n gl_FragColor = vec4(lights() * shadow(), 1.0) * color();\n }\n`;\n", "import * as THREE from 'three';\n\nimport { getThreeJsTexture } from './util';\n\nimport { Coordinate3d } from './Coordinates';\nimport { getOrbitShaderVertex, getOrbitShaderFragment } from './shaders';\nimport { Orbit, OrbitType } from './Orbit';\n\nimport type { Ephem } from './Ephem';\nimport { Simulation, SimulationContext, SimulationObject } from \"./Simulation\"\nimport { Box3, Vector3, Sphere } from \"three\"\n\ninterface BaseKeplerParticleOptions {\n color?: number;\n textureUrl?: string;\n basePath?: string;\n jd?: number;\n maxNumParticles?: number;\n}\n\n// TODO(ian): Clean this up - we probably don't need a separate type.\ntype KeplerParticlesOptions = BaseKeplerParticleOptions & {\n defaultSize?: number;\n};\n\ntype KeplerParticleOptions = BaseKeplerParticleOptions & {\n particleSize?: number;\n};\n\ninterface ShaderAttributes {\n visible: THREE.BufferAttribute;\n size: THREE.BufferAttribute;\n origin: THREE.BufferAttribute;\n position: THREE.BufferAttribute;\n fuzzColor: THREE.BufferAttribute;\n a: THREE.BufferAttribute;\n e: THREE.BufferAttribute;\n i: THREE.BufferAttribute;\n om: THREE.BufferAttribute;\n ma: THREE.BufferAttribute;\n n: THREE.BufferAttribute;\n w: THREE.BufferAttribute;\n wBar: THREE.BufferAttribute;\n q: THREE.BufferAttribute;\n M: THREE.BufferAttribute;\n a0: THREE.BufferAttribute;\n}\n\nconst DEFAULT_PARTICLE_COUNT = 4096;\n\n/**\n * Compute mean anomaly at date. Used for elliptical and hyperbolic orbits.\n */\nfunction getM(ephem: Ephem, jd: number): number {\n const d = jd - ephem.get('epoch');\n return ephem.get('ma') + ephem.get('n') * d;\n}\n\nconst PARABOLIC_K = 0.01720209895;\nfunction getA0(ephem: Ephem, jd: number): number {\n const tp = ephem.get('tp');\n const e = ephem.get('e');\n const q = ephem.get('q');\n const d = jd - tp;\n return 0.75 * d * PARABOLIC_K * Math.sqrt((1 + e) / (q * q * q));\n}\n\n/**\n * An efficient way to render many objects in space with Kepler orbits.\n * Primarily used by Simulation to render all non-static objects.\n * @see Simulation\n */\nexport class KeplerParticles implements SimulationObject {\n static instanceCount: number;\n\n private id: string;\n\n private options: KeplerParticlesOptions;\n\n private simulation: Simulation;\n\n private context: SimulationContext;\n\n private addedToScene: boolean;\n\n private particleCount: number;\n\n private elements: Ephem[];\n\n private uniforms: {\n tex: { value: THREE.Texture };\n };\n\n private geometry: THREE.BufferGeometry;\n\n private shaderMaterial: THREE.ShaderMaterial;\n\n private particleSystem: THREE.Points;\n\n private attributes: ShaderAttributes;\n\n /**\n * @param {Object} options Options container\n * @param {Object} options.textureUrl Template url for sprite\n * @param {Object} options.basePath Base path for simulation supporting files\n * @param {Number} options.jd JD date value\n * @param {Number} options.maxNumParticles Maximum number of particles to display. Defaults to 4096\n * @param {Number} options.defaultSize Default size of particles. Note this\n * can be overriden by SpaceObject particleSize. Defaults to 25\n * @param {Object} contextOrSimulation Simulation context or object\n */\n constructor(\n options: KeplerParticlesOptions,\n contextOrSimulation: Simulation,\n ) {\n this.options = options;\n\n this.id = `KeplerParticles__${KeplerParticles.instanceCount}`;\n KeplerParticles.instanceCount++;\n\n this.simulation = contextOrSimulation;\n this.context = contextOrSimulation.getContext();\n\n // Whether Points object has been added to the Simulation/Scene. This\n // happens lazily when the first data point is added in order to prevent\n // WebGL render warnings.\n this.addedToScene = false;\n\n // Number of particles in the scene.\n this.particleCount = 0;\n\n if (!this.options.textureUrl) {\n throw new Error('ParticleSystem requires textureUrl to be set');\n }\n\n const defaultMapTexture = getThreeJsTexture(\n this.options.textureUrl,\n this.context.options.basePath,\n );\n\n this.uniforms = {\n tex: { value: defaultMapTexture },\n };\n\n const particleCount =\n this.options.maxNumParticles || DEFAULT_PARTICLE_COUNT;\n this.elements = [];\n this.attributes = {\n visible: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n size: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n origin: new THREE.BufferAttribute(new Float32Array(particleCount * 3), 3),\n position: new THREE.BufferAttribute(\n new Float32Array(particleCount * 3),\n 3,\n ),\n fuzzColor: new THREE.BufferAttribute(\n new Float32Array(particleCount * 3),\n 3,\n ),\n\n a: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n e: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n i: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n om: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n ma: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n n: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n w: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n wBar: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n q: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n\n M: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n a0: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n };\n this.attributes.M.setUsage(THREE.DynamicDrawUsage);\n this.attributes.a0.setUsage(THREE.DynamicDrawUsage);\n\n const geometry = new THREE.BufferGeometry();\n geometry.setDrawRange(0, 0);\n Object.keys(this.attributes).forEach((attributeName) => {\n const attribute =\n this.attributes[attributeName as keyof ShaderAttributes];\n geometry.setAttribute(attributeName, attribute);\n });\n\n // needs to be set, otherwise Three will hide the particles when the origin is not in the camera view\n geometry.boundingSphere = new Sphere(new Vector3(0, 0, 0), Infinity);\n\n const shader = new THREE.ShaderMaterial({\n uniforms: this.uniforms,\n vertexShader: getOrbitShaderVertex(),\n fragmentShader: getOrbitShaderFragment(),\n\n depthTest: true,\n depthWrite: false,\n transparent: true,\n });\n\n this.shaderMaterial = shader;\n this.geometry = geometry;\n this.particleSystem = new THREE.Points(geometry, shader);\n this.particleSystem.name = this.id;\n }\n\n /**\n * Add a particle to this particle system.\n * @param {Ephem} ephem Kepler ephemeris\n * @param {Object} options Options container\n * @param {Number} options.particleSize Size of particles\n * @param {Number} options.color Color of particles\n * @return {Number} The index of this article in the attribute list.\n */\n addParticle(ephem: Ephem, options: KeplerParticleOptions = {}): number {\n this.elements.push(ephem);\n const attributes = this.attributes;\n const offset = this.particleCount++;\n\n attributes.visible.set([1.0], offset);\n\n attributes.size.set(\n [options.particleSize || this.options.defaultSize || 15],\n offset,\n );\n const color = new THREE.Color(options.color || 0xffffff);\n attributes.fuzzColor.set([color.r, color.g, color.b], offset * 3);\n\n attributes.origin.set([0, 0, 0], offset * 3);\n\n attributes.a.set([ephem.get('a')], offset);\n attributes.e.set([ephem.get('e')], offset);\n attributes.i.set([ephem.get('i', 'rad')], offset);\n attributes.om.set([ephem.get('om', 'rad')], offset);\n attributes.wBar.set([ephem.get('wBar', 'rad')], offset);\n attributes.q.set([ephem.get('q')], offset);\n\n if (Orbit.getOrbitType(ephem) === OrbitType.PARABOLIC) {\n attributes.a0.set([getA0(ephem, this.options.jd || 0)], offset);\n } else {\n attributes.M.set([getM(ephem, this.options.jd || 0)], offset);\n }\n\n // TODO(ian): Set the update range\n for (const attributeKey in attributes) {\n if (attributes.hasOwnProperty(attributeKey)) {\n attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n }\n }\n this.geometry.setDrawRange(0, this.particleCount);\n\n if (!this.addedToScene && this.simulation) {\n // This happens lazily when the first data point is added in order to\n // prevent WebGL render warnings.\n this.simulation.addObject(this);\n this.addedToScene = true;\n }\n\n return offset;\n }\n\n /**\n * Hides the particle at the given offset so it is no longer drawn. The particle still takes up space in the array\n * though.\n * @param offset\n */\n hideParticle(offset: number) {\n this.setParticleVisibility(false, offset);\n }\n\n /**\n * Shows a previously hidden particle.\n * @param offset\n */\n showParticle(offset: number) {\n this.setParticleVisibility(true, offset);\n }\n\n isParticleVisible(offset: number) {\n return offset>= 0 && offset < this.particleCount && this.attributes.visible.array[offset] > 0.5;\n }\n\n /**\n * Shows a previously hidden particle.\n * @param is_visible\n * @param offset\n */\n setParticleVisibility(is_visible: boolean, offset: number) {\n const attributes = this.attributes;\n attributes.visible.set([is_visible ? 1.0 : 0.0], offset);\n\n for (const attributeKey in attributes) {\n if (attributes.hasOwnProperty(attributeKey)) {\n attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n }\n }\n }\n\n /**\n * Is at least one particle visible?\n */\n isVisible() {\n return this.particleCount > 0\n && this.particleSystem.visible\n && this.attributes.visible.array.slice(0, this.particleCount).some((visible) => visible > 0.5);\n }\n\n /**\n * Hide or show all particles globally using the parent object visible property.\n */\n setVisibility(value: boolean) {\n this.particleSystem.visible = value;\n }\n\n /**\n * Changes the size of the particle at the given offset to the given size. Setting the size to 0 hides the particle.\n * @param {Number} size The new size of this particle\n * @param {Number} offset The location of this particle in the attributes * array\n */\n setParticleSize(size: number, offset: number) {\n const attributes = this.attributes;\n attributes.size.set([size], offset);\n\n for (const attributeKey in attributes) {\n if (attributes.hasOwnProperty(attributeKey)) {\n attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n }\n }\n }\n\n /**\n * Changes the color of the particle at the given offset to the given color.\n * @param {Number} colorValue The new color of this particle (e.g. hex number)\n * @param {Number} offset The location of this particle in the attributes * array\n */\n setParticleColor(colorValue: number, offset: number) {\n const attributes = this.attributes;\n const { r, g, b } = new THREE.Color(colorValue);\n attributes.fuzzColor.set([r, g, b], offset * 3);\n\n for (const attributeKey in attributes) {\n if (attributes.hasOwnProperty(attributeKey)) {\n attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n }\n }\n }\n\n /**\n * Change the `origin` attribute of a particle.\n * @param {Number} offset The location of this particle in the attributes * array.\n * @param {Array.} newOrigin The new XYZ coordinates of the body that this particle orbits.\n */\n setParticleOrigin(offset: number, newOrigin: Coordinate3d) {\n this.attributes.origin.set(newOrigin, offset * 3);\n this.attributes.origin.needsUpdate = true;\n }\n\n /**\n * Update the position for all particles\n * @param {Number} jd JD date\n */\n update(jd: number) {\n const Ms: number[] = [];\n const a0s: number[] = [];\n let max_r = 0;\n\n for (let i = 0; i < this.elements.length; i++) {\n const ephem = this.elements[i];\n\n let M, a0;\n if (Orbit.getOrbitType(ephem) === OrbitType.PARABOLIC) {\n a0 = getA0(ephem, jd);\n M = 0;\n } else {\n a0 = 0;\n M = getM(ephem, jd);\n }\n\n Ms.push(M);\n a0s.push(a0);\n max_r = Math.max(max_r, ephem.get('q') * (1 + ephem.get('e')));\n }\n\n this.attributes.M.set(Ms);\n this.attributes.M.needsUpdate = true;\n\n this.attributes.a0.set(a0s);\n this.attributes.a0.needsUpdate = true;\n }\n\n /**\n * Get THREE.js objects that comprise this point cloud\n * @return {Array.} List of objects to add to THREE.js scene\n */\n get3jsObjects(): THREE.Object3D[] {\n return [this.particleSystem];\n }\n\n /**\n * Get unique id for this object.\n * @return {String} Unique id\n */\n getId(): string {\n return this.id;\n }\n\n /**\n * Free all GPU resources\n */\n removalCleanup() {\n this.geometry.dispose();\n this.shaderMaterial.dispose();\n this.uniforms.tex.value.dispose();\n }\n}\n\nKeplerParticles.instanceCount = 0;\n", "import {\n\tBufferGeometry,\n\tFileLoader,\n\tFloat32BufferAttribute,\n\tGroup,\n\tLineBasicMaterial,\n\tLineSegments,\n\tLoader,\n\tMaterial,\n\tMesh,\n\tMeshPhongMaterial,\n\tPoints,\n\tPointsMaterial,\n\tVector3,\n\tColor,\n\tSRGBColorSpace\n} from 'three';\n\n// o object_name | g group_name\nconst _object_pattern = /^[og]\\s*(.+)?/;\n// mtllib file_reference\nconst _material_library_pattern = /^mtllib /;\n// usemtl material_name\nconst _material_use_pattern = /^usemtl /;\n// usemap map_name\nconst _map_use_pattern = /^usemap /;\nconst _face_vertex_data_separator_pattern = /\\s+/;\n\nconst _vA = new Vector3();\nconst _vB = new Vector3();\nconst _vC = new Vector3();\n\nconst _ab = new Vector3();\nconst _cb = new Vector3();\n\nconst _color = new Color();\n\nfunction ParserState() {\n\n\tconst state = {\n\t\tobjects: [],\n\t\tobject: {},\n\n\t\tvertices: [],\n\t\tnormals: [],\n\t\tcolors: [],\n\t\tuvs: [],\n\n\t\tmaterials: {},\n\t\tmaterialLibraries: [],\n\n\t\tstartObject: function ( name, fromDeclaration ) {\n\n\t\t\t// If the current object (initial from reset) is not from a g/o declaration in the parsed\n\t\t\t// file. We need to use it for the first parsed g/o to keep things in sync.\n\t\t\tif ( this.object && this.object.fromDeclaration === false ) {\n\n\t\t\t\tthis.object.name = name;\n\t\t\t\tthis.object.fromDeclaration = ( fromDeclaration !== false );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tconst previousMaterial = ( this.object && typeof this.object.currentMaterial === 'function' ? this.object.currentMaterial() : undefined );\n\n\t\t\tif ( this.object && typeof this.object._finalize === 'function' ) {\n\n\t\t\t\tthis.object._finalize( true );\n\n\t\t\t}\n\n\t\t\tthis.object = {\n\t\t\t\tname: name || '',\n\t\t\t\tfromDeclaration: ( fromDeclaration !== false ),\n\n\t\t\t\tgeometry: {\n\t\t\t\t\tvertices: [],\n\t\t\t\t\tnormals: [],\n\t\t\t\t\tcolors: [],\n\t\t\t\t\tuvs: [],\n\t\t\t\t\thasUVIndices: false\n\t\t\t\t},\n\t\t\t\tmaterials: [],\n\t\t\t\tsmooth: true,\n\n\t\t\t\tstartMaterial: function ( name, libraries ) {\n\n\t\t\t\t\tconst previous = this._finalize( false );\n\n\t\t\t\t\t// New usemtl declaration overwrites an inherited material, except if faces were declared\n\t\t\t\t\t// after the material, then it must be preserved for proper MultiMaterial continuation.\n\t\t\t\t\tif ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {\n\n\t\t\t\t\t\tthis.materials.splice( previous.index, 1 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst material = {\n\t\t\t\t\t\tindex: this.materials.length,\n\t\t\t\t\t\tname: name || '',\n\t\t\t\t\t\tmtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),\n\t\t\t\t\t\tsmooth: ( previous !== undefined ? previous.smooth : this.smooth ),\n\t\t\t\t\t\tgroupStart: ( previous !== undefined ? previous.groupEnd : 0 ),\n\t\t\t\t\t\tgroupEnd: - 1,\n\t\t\t\t\t\tgroupCount: - 1,\n\t\t\t\t\t\tinherited: false,\n\n\t\t\t\t\t\tclone: function ( index ) {\n\n\t\t\t\t\t\t\tconst cloned = {\n\t\t\t\t\t\t\t\tindex: ( typeof index === 'number' ? index : this.index ),\n\t\t\t\t\t\t\t\tname: this.name,\n\t\t\t\t\t\t\t\tmtllib: this.mtllib,\n\t\t\t\t\t\t\t\tsmooth: this.smooth,\n\t\t\t\t\t\t\t\tgroupStart: 0,\n\t\t\t\t\t\t\t\tgroupEnd: - 1,\n\t\t\t\t\t\t\t\tgroupCount: - 1,\n\t\t\t\t\t\t\t\tinherited: false\n\t\t\t\t\t\t\t};\n\t\t\t\t\t\t\tcloned.clone = this.clone.bind( cloned );\n\t\t\t\t\t\t\treturn cloned;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t};\n\n\t\t\t\t\tthis.materials.push( material );\n\n\t\t\t\t\treturn material;\n\n\t\t\t\t},\n\n\t\t\t\tcurrentMaterial: function () {\n\n\t\t\t\t\tif ( this.materials.length > 0 ) {\n\n\t\t\t\t\t\treturn this.materials[ this.materials.length - 1 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t},\n\n\t\t\t\t_finalize: function ( end ) {\n\n\t\t\t\t\tconst lastMultiMaterial = this.currentMaterial();\n\t\t\t\t\tif ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {\n\n\t\t\t\t\t\tlastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;\n\t\t\t\t\t\tlastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;\n\t\t\t\t\t\tlastMultiMaterial.inherited = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Ignore objects tail materials if no face declarations followed them before a new o/g started.\n\t\t\t\t\tif ( end && this.materials.length > 1 ) {\n\n\t\t\t\t\t\tfor ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {\n\n\t\t\t\t\t\t\tif ( this.materials[ mi ].groupCount <= 0 ) {\n\n\t\t\t\t\t\t\t\tthis.materials.splice( mi, 1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Guarantee at least one empty material, this makes the creation later more straight forward.\n\t\t\t\t\tif ( end && this.materials.length === 0 ) {\n\n\t\t\t\t\t\tthis.materials.push( {\n\t\t\t\t\t\t\tname: '',\n\t\t\t\t\t\t\tsmooth: this.smooth\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn lastMultiMaterial;\n\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// Inherit previous objects material.\n\t\t\t// Spec tells us that a declared material must be set to all objects until a new material is declared.\n\t\t\t// If a usemtl declaration is encountered while this new object is being parsed, it will\n\t\t\t// overwrite the inherited material. Exception being that there was already face declarations\n\t\t\t// to the inherited material, then it will be preserved for proper MultiMaterial continuation.\n\n\t\t\tif ( previousMaterial && previousMaterial.name && typeof previousMaterial.clone === 'function' ) {\n\n\t\t\t\tconst declared = previousMaterial.clone( 0 );\n\t\t\t\tdeclared.inherited = true;\n\t\t\t\tthis.object.materials.push( declared );\n\n\t\t\t}\n\n\t\t\tthis.objects.push( this.object );\n\n\t\t},\n\n\t\tfinalize: function () {\n\n\t\t\tif ( this.object && typeof this.object._finalize === 'function' ) {\n\n\t\t\t\tthis.object._finalize( true );\n\n\t\t\t}\n\n\t\t},\n\n\t\tparseVertexIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 3 ) * 3;\n\n\t\t},\n\n\t\tparseNormalIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 3 ) * 3;\n\n\t\t},\n\n\t\tparseUVIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 2 ) * 2;\n\n\t\t},\n\n\t\taddVertex: function ( a, b, c ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddVertexPoint: function ( a ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\n\t\t},\n\n\t\taddVertexLine: function ( a ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\n\t\t},\n\n\t\taddNormal: function ( a, b, c ) {\n\n\t\t\tconst src = this.normals;\n\t\t\tconst dst = this.object.geometry.normals;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddFaceNormal: function ( a, b, c ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.normals;\n\n\t\t\t_vA.fromArray( src, a );\n\t\t\t_vB.fromArray( src, b );\n\t\t\t_vC.fromArray( src, c );\n\n\t\t\t_cb.subVectors( _vC, _vB );\n\t\t\t_ab.subVectors( _vA, _vB );\n\t\t\t_cb.cross( _ab );\n\n\t\t\t_cb.normalize();\n\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\n\t\t},\n\n\t\taddColor: function ( a, b, c ) {\n\n\t\t\tconst src = this.colors;\n\t\t\tconst dst = this.object.geometry.colors;\n\n\t\t\tif ( src[ a ] !== undefined ) dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tif ( src[ b ] !== undefined ) dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tif ( src[ c ] !== undefined ) dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddUV: function ( a, b, c ) {\n\n\t\t\tconst src = this.uvs;\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ] );\n\n\t\t},\n\n\t\taddDefaultUV: function () {\n\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( 0, 0 );\n\t\t\tdst.push( 0, 0 );\n\t\t\tdst.push( 0, 0 );\n\n\t\t},\n\n\t\taddUVLine: function ( a ) {\n\n\t\t\tconst src = this.uvs;\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ] );\n\n\t\t},\n\n\t\taddFace: function ( a, b, c, ua, ub, uc, na, nb, nc ) {\n\n\t\t\tconst vLen = this.vertices.length;\n\n\t\t\tlet ia = this.parseVertexIndex( a, vLen );\n\t\t\tlet ib = this.parseVertexIndex( b, vLen );\n\t\t\tlet ic = this.parseVertexIndex( c, vLen );\n\n\t\t\tthis.addVertex( ia, ib, ic );\n\t\t\tthis.addColor( ia, ib, ic );\n\n\t\t\t// normals\n\n\t\t\tif ( na !== undefined && na !== '' ) {\n\n\t\t\t\tconst nLen = this.normals.length;\n\n\t\t\t\tia = this.parseNormalIndex( na, nLen );\n\t\t\t\tib = this.parseNormalIndex( nb, nLen );\n\t\t\t\tic = this.parseNormalIndex( nc, nLen );\n\n\t\t\t\tthis.addNormal( ia, ib, ic );\n\n\t\t\t} else {\n\n\t\t\t\tthis.addFaceNormal( ia, ib, ic );\n\n\t\t\t}\n\n\t\t\t// uvs\n\n\t\t\tif ( ua !== undefined && ua !== '' ) {\n\n\t\t\t\tconst uvLen = this.uvs.length;\n\n\t\t\t\tia = this.parseUVIndex( ua, uvLen );\n\t\t\t\tib = this.parseUVIndex( ub, uvLen );\n\t\t\t\tic = this.parseUVIndex( uc, uvLen );\n\n\t\t\t\tthis.addUV( ia, ib, ic );\n\n\t\t\t\tthis.object.geometry.hasUVIndices = true;\n\n\t\t\t} else {\n\n\t\t\t\t// add placeholder values (for inconsistent face definitions)\n\n\t\t\t\tthis.addDefaultUV();\n\n\t\t\t}\n\n\t\t},\n\n\t\taddPointGeometry: function ( vertices ) {\n\n\t\t\tthis.object.geometry.type = 'Points';\n\n\t\t\tconst vLen = this.vertices.length;\n\n\t\t\tfor ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {\n\n\t\t\t\tconst index = this.parseVertexIndex( vertices[ vi ], vLen );\n\n\t\t\t\tthis.addVertexPoint( index );\n\t\t\t\tthis.addColor( index );\n\n\t\t\t}\n\n\t\t},\n\n\t\taddLineGeometry: function ( vertices, uvs ) {\n\n\t\t\tthis.object.geometry.type = 'Line';\n\n\t\t\tconst vLen = this.vertices.length;\n\t\t\tconst uvLen = this.uvs.length;\n\n\t\t\tfor ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {\n\n\t\t\t\tthis.addVertexLine( this.parseVertexIndex( vertices[ vi ], vLen ) );\n\n\t\t\t}\n\n\t\t\tfor ( let uvi = 0, l = uvs.length; uvi < l; uvi ++ ) {\n\n\t\t\t\tthis.addUVLine( this.parseUVIndex( uvs[ uvi ], uvLen ) );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tstate.startObject( '', false );\n\n\treturn state;\n\n}\n\n//\n\nclass OBJLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t\tthis.materials = null;\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( text ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tsetMaterials( materials ) {\n\n\t\tthis.materials = materials;\n\n\t\treturn this;\n\n\t}\n\n\tparse( text ) {\n\n\t\tconst state = new ParserState();\n\n\t\tif ( text.indexOf( '\\r\\n' ) !== - 1 ) {\n\n\t\t\t// This is faster than String.split with regex that splits on both\n\t\t\ttext = text.replace( /\\r\\n/g, '\\n' );\n\n\t\t}\n\n\t\tif ( text.indexOf( '\\\\\\n' ) !== - 1 ) {\n\n\t\t\t// join lines separated by a line continuation character (\\)\n\t\t\ttext = text.replace( /\\\\\\n/g, '' );\n\n\t\t}\n\n\t\tconst lines = text.split( '\\n' );\n\t\tlet result = [];\n\n\t\tfor ( let i = 0, l = lines.length; i < l; i ++ ) {\n\n\t\t\tconst line = lines[ i ].trimStart();\n\n\t\t\tif ( line.length === 0 ) continue;\n\n\t\t\tconst lineFirstChar = line.charAt( 0 );\n\n\t\t\t// @todo invoke passed in handler if any\n\t\t\tif ( lineFirstChar === '#' ) continue; // skip comments\n\n\t\t\tif ( lineFirstChar === 'v' ) {\n\n\t\t\t\tconst data = line.split( _face_vertex_data_separator_pattern );\n\n\t\t\t\tswitch ( data[ 0 ] ) {\n\n\t\t\t\t\tcase 'v':\n\t\t\t\t\t\tstate.vertices.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 3 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tif ( data.length >= 7 ) {\n\n\t\t\t\t\t\t\t_color.setRGB(\n\t\t\t\t\t\t\t\tparseFloat( data[ 4 ] ),\n\t\t\t\t\t\t\t\tparseFloat( data[ 5 ] ),\n\t\t\t\t\t\t\t\tparseFloat( data[ 6 ] ),\n\t\t\t\t\t\t\t\tSRGBColorSpace\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tstate.colors.push( _color.r, _color.g, _color.b );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// if no colors are defined, add placeholders so color and vertex indices match\n\n\t\t\t\t\t\t\tstate.colors.push( undefined, undefined, undefined );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'vn':\n\t\t\t\t\t\tstate.normals.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 3 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'vt':\n\t\t\t\t\t\tstate.uvs.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t} else if ( lineFirstChar === 'f' ) {\n\n\t\t\t\tconst lineData = line.slice( 1 ).trim();\n\t\t\t\tconst vertexData = lineData.split( _face_vertex_data_separator_pattern );\n\t\t\t\tconst faceVertices = [];\n\n\t\t\t\t// Parse the face vertex data into an easy to work with format\n\n\t\t\t\tfor ( let j = 0, jl = vertexData.length; j < jl; j ++ ) {\n\n\t\t\t\t\tconst vertex = vertexData[ j ];\n\n\t\t\t\t\tif ( vertex.length > 0 ) {\n\n\t\t\t\t\t\tconst vertexParts = vertex.split( '/' );\n\t\t\t\t\t\tfaceVertices.push( vertexParts );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// Draw an edge between the first vertex and all subsequent vertices to form an n-gon\n\n\t\t\t\tconst v1 = faceVertices[ 0 ];\n\n\t\t\t\tfor ( let j = 1, jl = faceVertices.length - 1; j < jl; j ++ ) {\n\n\t\t\t\t\tconst v2 = faceVertices[ j ];\n\t\t\t\t\tconst v3 = faceVertices[ j + 1 ];\n\n\t\t\t\t\tstate.addFace(\n\t\t\t\t\t\tv1[ 0 ], v2[ 0 ], v3[ 0 ],\n\t\t\t\t\t\tv1[ 1 ], v2[ 1 ], v3[ 1 ],\n\t\t\t\t\t\tv1[ 2 ], v2[ 2 ], v3[ 2 ]\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t} else if ( lineFirstChar === 'l' ) {\n\n\t\t\t\tconst lineParts = line.substring( 1 ).trim().split( ' ' );\n\t\t\t\tlet lineVertices = [];\n\t\t\t\tconst lineUVs = [];\n\n\t\t\t\tif ( line.indexOf( '/' ) === - 1 ) {\n\n\t\t\t\t\tlineVertices = lineParts;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( let li = 0, llen = lineParts.length; li < llen; li ++ ) {\n\n\t\t\t\t\t\tconst parts = lineParts[ li ].split( '/' );\n\n\t\t\t\t\t\tif ( parts[ 0 ] !== '' ) lineVertices.push( parts[ 0 ] );\n\t\t\t\t\t\tif ( parts[ 1 ] !== '' ) lineUVs.push( parts[ 1 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tstate.addLineGeometry( lineVertices, lineUVs );\n\n\t\t\t} else if ( lineFirstChar === 'p' ) {\n\n\t\t\t\tconst lineData = line.slice( 1 ).trim();\n\t\t\t\tconst pointData = lineData.split( ' ' );\n\n\t\t\t\tstate.addPointGeometry( pointData );\n\n\t\t\t} else if ( ( result = _object_pattern.exec( line ) ) !== null ) {\n\n\t\t\t\t// o object_name\n\t\t\t\t// or\n\t\t\t\t// g group_name\n\n\t\t\t\t// WORKAROUND: https://bugs.chromium.org/p/v8/issues/detail?id=2869\n\t\t\t\t// let name = result[ 0 ].slice( 1 ).trim();\n\t\t\t\tconst name = ( ' ' + result[ 0 ].slice( 1 ).trim() ).slice( 1 );\n\n\t\t\t\tstate.startObject( name );\n\n\t\t\t} else if ( _material_use_pattern.test( line ) ) {\n\n\t\t\t\t// material\n\n\t\t\t\tstate.object.startMaterial( line.substring( 7 ).trim(), state.materialLibraries );\n\n\t\t\t} else if ( _material_library_pattern.test( line ) ) {\n\n\t\t\t\t// mtl file\n\n\t\t\t\tstate.materialLibraries.push( line.substring( 7 ).trim() );\n\n\t\t\t} else if ( _map_use_pattern.test( line ) ) {\n\n\t\t\t\t// the line is parsed but ignored since the loader assumes textures are defined MTL files\n\t\t\t\t// (according to https://www.okino.com/conv/imp_wave.htm, 'usemap' is the old-style Wavefront texture reference method)\n\n\t\t\t\tconsole.warn( 'THREE.OBJLoader: Rendering identifier \"usemap\" not supported. Textures must be defined in MTL files.' );\n\n\t\t\t} else if ( lineFirstChar === 's' ) {\n\n\t\t\t\tresult = line.split( ' ' );\n\n\t\t\t\t// smooth shading\n\n\t\t\t\t// @todo Handle files that have varying smooth values for a set of faces inside one geometry,\n\t\t\t\t// but does not define a usemtl for each face set.\n\t\t\t\t// This should be detected and a dummy material created (later MultiMaterial and geometry groups).\n\t\t\t\t// This requires some care to not create extra material on each smooth value for \"normal\" obj files.\n\t\t\t\t// where explicit usemtl defines geometry groups.\n\t\t\t\t// Example asset: examples/models/obj/cerberus/Cerberus.obj\n\n\t\t\t\t/*\n\t\t\t\t\t * http://paulbourke.net/dataformats/obj/\n\t\t\t\t\t *\n\t\t\t\t\t * From chapter \"Grouping\" Syntax explanation \"s group_number\":\n\t\t\t\t\t * \"group_number is the smoothing group number. To turn off smoothing groups, use a value of 0 or off.\n\t\t\t\t\t * Polygonal elements use group numbers to put elements in different smoothing groups. For free-form\n\t\t\t\t\t * surfaces, smoothing groups are either turned on or off; there is no difference between values greater\n\t\t\t\t\t * than 0.\"\n\t\t\t\t\t */\n\t\t\t\tif ( result.length > 1 ) {\n\n\t\t\t\t\tconst value = result[ 1 ].trim().toLowerCase();\n\t\t\t\t\tstate.object.smooth = ( value !== '0' && value !== 'off' );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// ZBrush can produce \"s\" lines #11707\n\t\t\t\t\tstate.object.smooth = true;\n\n\t\t\t\t}\n\n\t\t\t\tconst material = state.object.currentMaterial();\n\t\t\t\tif ( material ) material.smooth = state.object.smooth;\n\n\t\t\t} else {\n\n\t\t\t\t// Handle null terminated files without exception\n\t\t\t\tif ( line === '\\0' ) continue;\n\n\t\t\t\tconsole.warn( 'THREE.OBJLoader: Unexpected line: \"' + line + '\"' );\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.finalize();\n\n\t\tconst container = new Group();\n\t\tcontainer.materialLibraries = [].concat( state.materialLibraries );\n\n\t\tconst hasPrimitives = ! ( state.objects.length === 1 && state.objects[ 0 ].geometry.vertices.length === 0 );\n\n\t\tif ( hasPrimitives === true ) {\n\n\t\t\tfor ( let i = 0, l = state.objects.length; i < l; i ++ ) {\n\n\t\t\t\tconst object = state.objects[ i ];\n\t\t\t\tconst geometry = object.geometry;\n\t\t\t\tconst materials = object.materials;\n\t\t\t\tconst isLine = ( geometry.type === 'Line' );\n\t\t\t\tconst isPoints = ( geometry.type === 'Points' );\n\t\t\t\tlet hasVertexColors = false;\n\n\t\t\t\t// Skip o/g line declarations that did not follow with any faces\n\t\t\t\tif ( geometry.vertices.length === 0 ) continue;\n\n\t\t\t\tconst buffergeometry = new BufferGeometry();\n\n\t\t\t\tbuffergeometry.setAttribute( 'position', new Float32BufferAttribute( geometry.vertices, 3 ) );\n\n\t\t\t\tif ( geometry.normals.length > 0 ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'normal', new Float32BufferAttribute( geometry.normals, 3 ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.colors.length > 0 ) {\n\n\t\t\t\t\thasVertexColors = true;\n\t\t\t\t\tbuffergeometry.setAttribute( 'color', new Float32BufferAttribute( geometry.colors, 3 ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.hasUVIndices === true ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'uv', new Float32BufferAttribute( geometry.uvs, 2 ) );\n\n\t\t\t\t}\n\n\t\t\t\t// Create materials\n\n\t\t\t\tconst createdMaterials = [];\n\n\t\t\t\tfor ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {\n\n\t\t\t\t\tconst sourceMaterial = materials[ mi ];\n\t\t\t\t\tconst materialHash = sourceMaterial.name + '_' + sourceMaterial.smooth + '_' + hasVertexColors;\n\t\t\t\t\tlet material = state.materials[ materialHash ];\n\n\t\t\t\t\tif ( this.materials !== null ) {\n\n\t\t\t\t\t\tmaterial = this.materials.create( sourceMaterial.name );\n\n\t\t\t\t\t\t// mtl etc. loaders probably can't create line materials correctly, copy properties to a line material.\n\t\t\t\t\t\tif ( isLine && material && ! ( material instanceof LineBasicMaterial ) ) {\n\n\t\t\t\t\t\t\tconst materialLine = new LineBasicMaterial();\n\t\t\t\t\t\t\tMaterial.prototype.copy.call( materialLine, material );\n\t\t\t\t\t\t\tmaterialLine.color.copy( material.color );\n\t\t\t\t\t\t\tmaterial = materialLine;\n\n\t\t\t\t\t\t} else if ( isPoints && material && ! ( material instanceof PointsMaterial ) ) {\n\n\t\t\t\t\t\t\tconst materialPoints = new PointsMaterial( { size: 10, sizeAttenuation: false } );\n\t\t\t\t\t\t\tMaterial.prototype.copy.call( materialPoints, material );\n\t\t\t\t\t\t\tmaterialPoints.color.copy( material.color );\n\t\t\t\t\t\t\tmaterialPoints.map = material.map;\n\t\t\t\t\t\t\tmaterial = materialPoints;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( material === undefined ) {\n\n\t\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\t\tmaterial = new LineBasicMaterial();\n\n\t\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\t\tmaterial = new PointsMaterial( { size: 1, sizeAttenuation: false } );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tmaterial = new MeshPhongMaterial();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tmaterial.name = sourceMaterial.name;\n\t\t\t\t\t\tmaterial.flatShading = sourceMaterial.smooth ? false : true;\n\t\t\t\t\t\tmaterial.vertexColors = hasVertexColors;\n\n\t\t\t\t\t\tstate.materials[ materialHash ] = material;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcreatedMaterials.push( material );\n\n\t\t\t\t}\n\n\t\t\t\t// Create mesh\n\n\t\t\t\tlet mesh;\n\n\t\t\t\tif ( createdMaterials.length > 1 ) {\n\n\t\t\t\t\tfor ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {\n\n\t\t\t\t\t\tconst sourceMaterial = materials[ mi ];\n\t\t\t\t\t\tbuffergeometry.addGroup( sourceMaterial.groupStart, sourceMaterial.groupCount, mi );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\tmesh = new LineSegments( buffergeometry, createdMaterials );\n\n\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\tmesh = new Points( buffergeometry, createdMaterials );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tmesh = new Mesh( buffergeometry, createdMaterials );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\tmesh = new LineSegments( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\tmesh = new Points( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tmesh = new Mesh( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tmesh.name = object.name;\n\n\t\t\t\tcontainer.add( mesh );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// if there is only the default parser state object with no geometry data, interpret data as point cloud\n\n\t\t\tif ( state.vertices.length > 0 ) {\n\n\t\t\t\tconst material = new PointsMaterial( { size: 1, sizeAttenuation: false } );\n\n\t\t\t\tconst buffergeometry = new BufferGeometry();\n\n\t\t\t\tbuffergeometry.setAttribute( 'position', new Float32BufferAttribute( state.vertices, 3 ) );\n\n\t\t\t\tif ( state.colors.length > 0 && state.colors[ 0 ] !== undefined ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'color', new Float32BufferAttribute( state.colors, 3 ) );\n\t\t\t\t\tmaterial.vertexColors = true;\n\n\t\t\t\t}\n\n\t\t\t\tconst points = new Points( buffergeometry, material );\n\t\t\t\tcontainer.add( points );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn container;\n\n\t}\n\n}\n\nexport { OBJLoader };\n", "import * as THREE from 'three';\n\nimport { Mesh, Object3D, PerspectiveCamera } from \"three\"\n\nimport { EphemPresets } from './EphemPresets';\nimport { Orbit } from './Orbit';\nimport { getFullTextureUrl } from './util';\nimport { rescaleArray, rescaleNumber } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\nimport type { Ephem } from './Ephem';\nimport type { EphemerisTable } from './EphemerisTable';\nimport type {\n Simulation,\n SimulationContext,\n SimulationObject,\n} from './Simulation';\nimport { Object3DJSONObject } from \"three/src/core/Object3D\"\n\nexport interface SpaceObjectOptions {\n position?: Coordinate3d;\n scale?: [number, number, number];\n particleSize?: number;\n labelText?: string;\n labelUrl?: string;\n hideOrbit?: boolean;\n axialTilt?: number;\n color?: number;\n radius?: number;\n levelsOfDetail?: { radii: number; segments: number }[];\n atmosphere?: {\n color?: number;\n innerSizeRatio?: number;\n outerSizeRatio?: number;\n enable?: boolean;\n };\n orbitPathSettings?: {\n leadDurationYears?: number;\n trailDurationYears?: number;\n numberSamplePoints?: number;\n };\n ephem?: Ephem;\n ephemTable?: EphemerisTable;\n textureUrl?: string;\n basePath?: string;\n rotation?: {\n enable: boolean;\n period: number; // Rotational period in days\n speed?: number; // Speed of rotation in degrees/rendering tick, do not set if want realistic rotation\n lambdaDeg?: number; // North Pole Ecliptic Longitude\n betaDeg?: number; // North Pole Ecliptic Latitude\n yorp?: number;\n phi0?: number; // Initial rotation angle\n jd0?: number; // JD epoch of rotational parameters\n };\n shape?: {\n shapeUrl?: string;\n color?: number;\n };\n ecliptic?: {\n lineColor?: number;\n displayLines?: boolean;\n };\n theme?: {\n color?: number;\n orbitColor?: number;\n };\n debug?: {\n showAxes: boolean;\n showGrid: boolean;\n };\n}\n\n/**\n * @private\n * Minimum number of degrees per day an object must move in order for its\n * position to be updated in the visualization.\n */\n// const MIN_DEG_MOVE_PER_DAY: number = 0.05;\n\n/**\n * @private\n * Number of milliseconds between label position updates.\n */\nconst LABEL_UPDATE_MS: number = 30;\n\n/**\n * @private\n * Converts [X, Y, Z] position in visualization to pixel coordinates.\n */\nfunction toScreenXY(\n position: Coordinate3d,\n camera: PerspectiveCamera,\n canvas: HTMLCanvasElement,\n): { x: number; y: number } {\n const pos = new THREE.Vector3(position[0], position[1], position[2]);\n pos.project(camera);\n return {\n x: ((pos.x + 1) * canvas.clientWidth) / 2,\n y: ((-pos.y + 1) * canvas.clientHeight) / 2,\n };\n}\n\n/**\n * An object that can be added to a visualization.\n * @example\n * ```\n * const myObject = viz.addObject('planet1', {\n * position: [0, 0, 0],\n * scale: [1, 1, 1],\n * particleSize: 5,\n * labelText: 'My object',\n * labelUrl: 'http://...',\n * hideOrbit: false,\n * ephem: new Spacekit.Ephem({...}),\n * textureUrl: '/path/to/spriteTexture.png',\n * basePath: '/base',\n * ecliptic: {\n * lineColor: 0xCCCCCC,\n * displayLines: false,\n * },\n * theme: {\n * color: 0xFFFFFF,\n * orbitColor: 0x888888,\n * },\n * });\n * ```\n */\nexport class SpaceObject implements SimulationObject {\n protected _id: string;\n\n protected _options: SpaceObjectOptions;\n\n protected _simulation: Simulation;\n\n protected _context: SimulationContext;\n\n protected _materials: THREE.Material[]; // needed for cleanup\n protected _geometries: THREE.BufferGeometry[]; // needed for cleanup\n protected _textures: THREE.Texture[]; // needed for cleanup\n\n protected _renderMethod?:\n | 'SPRITE'\n | 'PARTICLESYSTEM'\n | 'ROTATING_OBJECT'\n | 'SPHERE';\n\n protected _initialized: boolean;\n\n private _object3js?: THREE.Object3D;\n\n private _useEphemTable: boolean;\n\n private _isStaticObject: boolean;\n\n private _label?: HTMLElement;\n\n private _showLabel: boolean;\n\n private _lastLabelUpdate: number;\n\n // private _lastPositionUpdate: number;\n\n private _position: Coordinate3d;\n\n private _orbitAround?: SpaceObject;\n\n private _scale: [number, number, number];\n\n private _particleIndex?: number;\n\n // private _degreesPerDay?: number;\n\n private _orbitPath?: THREE.Object3D;\n\n private _eclipticLines?: THREE.Object3D;\n\n private _orbit?: Orbit;\n\n /**\n * @param {String} id Unique id of this object\n * @param {Object} options Options container\n * @param {Array.} options.position [X, Y, Z] heliocentric coordinates of object. Defaults to [0, 0, 0]\n * @param {Array.} options.scale Scale of object on each [X, Y, Z] axis. Defaults to [1, 1, 1]\n * @param {Number} options.particleSize Size of particle if this object is a Kepler object being represented as a particle.\n * @param {String} options.labelText Text label to display above object (set undefined for no label)\n * @param {String} options.labelUrl Label becomes a link that goes to this url.\n * @param {boolean} options.hideOrbit If true, don't show an orbital ellipse. Defaults false.\n * @param {Object} options.orbitPathSettings Contains settings for defining the orbit path\n * @param {Object} options.orbitPathSettings.leadDurationYears orbit path lead time in years\n * @param {Object} options.orbitPathSettings.trailDurationYears orbit path trail time in years\n * @param {Object} options.orbitPathSettings.numberSamplePoints number of\n * points to use when drawing the orbit line. Only applicable for\n * non-elliptical and ephemeris table orbits.\n * @param {Ephem} options.ephem Ephemerides for this orbit\n * @param {EphemerisTable} options.ephemTable ephemeris table object which represents look up ephemeris\n * @param {String} options.textureUrl Texture for sprite\n * @param {String} options.basePath Base path for simulation assets and data\n * @param {Object} options.ecliptic Contains settings related to ecliptic\n * @param {Number} options.ecliptic.lineColor Hex color of lines that run perpendicular to ecliptic. @see Orbit\n * @param {boolean} options.ecliptic.displayLines Whether to show ecliptic lines. Defaults false.\n * @param {Object} options.theme Contains settings related to appearance of orbit\n * @param {Number} options.theme.color Hex color of the object, if applicable\n * @param {Number} options.theme.orbitColor Hex color of the orbit\n * @param {Simulation} contextOrSimulation Simulation context or simulation object\n * @param {boolean} autoInit Automatically initialize this object. If false\n * you must call init() manually.\n */\n constructor(\n id: string,\n options: SpaceObjectOptions,\n simulation: Simulation,\n autoInit: boolean = true,\n ) {\n this._id = id;\n this._options = options || {};\n this._object3js = undefined;\n this._useEphemTable = this._options.ephemTable !== undefined;\n this._isStaticObject = !this._options.ephem && !this._useEphemTable;\n\n this._simulation = simulation;\n this._context = simulation.getContext();\n\n this._materials = [];\n this._geometries = [];\n this._textures = [];\n\n this._label = undefined;\n this._showLabel = false;\n this._lastLabelUpdate = 0;\n // this._lastPositionUpdate = 0;\n\n this._position = rescaleArray(this._options.position || [0, 0, 0]);\n this._orbitAround = undefined;\n this._scale = this._options.scale || [1, 1, 1];\n\n // The method of rendering used for this object (e.g. SPRITE, PARTICLESYSTEM).\n this._renderMethod = undefined;\n\n // The index of this particle in the KeplerParticles system, if applicable.\n this._particleIndex = undefined;\n\n // Number of degrees moved per day. Used to limit the number of orbit\n // updates for very slow moving objects.\n /*\n this._degreesPerDay = this._options.ephem\n ? this._options.ephem.get('n', 'deg')\n : undefined;\n */\n\n this._initialized = false;\n if (autoInit && !this.init()) {\n console.warn(`SpaceObject ${id}: failed to initialize`);\n }\n }\n\n /**\n * Initializes label and three.js objects. Called automatically unless you've\n * set autoInit to false in constructor (this init is suppressed by some\n * child classes).\n */\n init(): boolean {\n this.renderObject();\n\n if (this._options.labelText) {\n const labelElt = this.createLabel();\n this._simulation.getSimulationElement().appendChild(labelElt);\n this._label = labelElt;\n this._showLabel = true;\n }\n\n /**\n * Caching of THREE.js objects for orbitPath\n */\n this._orbitPath = undefined;\n this._eclipticLines = undefined;\n\n this.update(this._simulation.getJd(), true /* force */);\n\n this._initialized = true;\n return true;\n }\n\n /**\n * @private\n * Build the THREE.js object for this SpaceObject.\n */\n private renderObject() {\n let includeIfMissing = true;\n\n if (!this.isStaticObject()) {\n // Create the orbit no matter what - it's used to get current position\n // for CPU-positioned objects (e.g. child RotatingObjects, SphereObjects,\n // ShapeObjects).\n // TODO(ian): Only do this if we need to compute orbit position on the\n // CPU or display an orbit path.\n this._orbit = this.createOrbit();\n }\n\n if (!this._renderMethod) {\n // TODO(ian): It kinda sucks to have SpaceObject care about\n // renderMethod, which is set by children.\n\n if (this.isStaticObject()) {\n // Create a stationary sprite.\n this._object3js = this.createSprite();\n this._object3js.name = `${this._id}-sprite`;\n this._renderMethod = 'SPRITE';\n } else {\n if (this._useEphemTable) {\n this._object3js = this.createSprite();\n this._object3js.name = `${this._id}-sprite`;\n this._renderMethod = 'SPRITE';\n } else {\n // Create a particle representing this object on the GPU.\n this.addParticle();\n this._renderMethod = 'PARTICLESYSTEM';\n includeIfMissing = false;\n }\n }\n }\n\n if (includeIfMissing && this._simulation.getObject(this._id) === undefined) {\n this._simulation.addObject(this, false /* noUpdate */)\n }\n }\n\n private addParticle() {\n if (!this._options.ephem) {\n throw new Error(\n 'Attempting to create a particle system, but ephemeris are not available.',\n );\n }\n this._particleIndex = this._context.objects.particles.addParticle(\n this._options.ephem,\n {\n particleSize: this._options.particleSize,\n color: this.getColor(),\n },\n );\n }\n\n /**\n * @private\n * Builds the label div and adds it to the visualization\n * @return {HTMLElement} A div that contains the label for this object\n */\n private createLabel(): HTMLElement {\n const text = document.createElement('div');\n text.className = 'spacekit__object-label';\n\n const { labelText, labelUrl } = this._options;\n if (this._options.labelUrl) {\n text.innerHTML = ``;\n } else {\n text.innerHTML = `
${labelText}
`;\n }\n text.style.fontFamily = 'Arial';\n text.style.fontSize = '12px';\n text.style.color = '#fff';\n text.style.position = 'absolute';\n\n text.style.backgroundColor = '#0009';\n text.style.outline = '1px solid #5f5f5f';\n\n return text;\n }\n\n /**\n * @private\n * Updates the label's position\n * @param {Array.Number} newpos Position of the label in the visualization's\n * coordinate system\n */\n private updateLabelPosition(newpos: Coordinate3d) {\n if (!this._label) {\n throw new Error('Attempted to update label position without a label');\n }\n\n const label = this._label;\n const simulationElt = this._simulation.getSimulationElement();\n const pos = toScreenXY(\n newpos,\n this._simulation.getViewer().get3jsCamera(),\n simulationElt,\n );\n const loc = {\n left: pos.x,\n top: pos.y,\n right: pos.x + label.clientWidth,\n bottom: pos.y + label.clientHeight,\n };\n if (\n loc.left - 30 > 0 &&\n loc.right + 20 < simulationElt.clientWidth &&\n loc.top - 25 > 0 &&\n loc.bottom < simulationElt.clientHeight\n ) {\n label.style.left = `${loc.left - label.clientWidth / 2}px`;\n label.style.top = `${loc.top - label.clientHeight - 8}px`;\n label.style.visibility = 'visible';\n } else {\n label.style.visibility = 'hidden';\n }\n }\n\n /**\n * @private\n * Builds the sprite for this object\n * @return {THREE.Sprite} A sprite object\n */\n private createSprite(): THREE.Sprite {\n if (!this._options.textureUrl) {\n throw new Error('Cannot create sprite without a textureUrl');\n }\n const fullTextureUrl = getFullTextureUrl(\n this._options.textureUrl,\n this._context.options.basePath,\n );\n const texture = new THREE.TextureLoader().load(fullTextureUrl);\n texture.colorSpace = THREE.SRGBColorSpace;\n this._textures.push(texture);\n\n const material = new THREE.SpriteMaterial({\n map: texture,\n blending: THREE.AdditiveBlending,\n depthWrite: false,\n color: this._options.color ?? this._options.theme?.color ?? 0xffffff,\n sizeAttenuation: this._options.radius !== undefined,\n });\n this._materials.push(material);\n\n const sprite = new THREE.Sprite(material);\n\n if (this._options.radius !== undefined) {\n const d = this._options.radius * 2;\n const scale = rescaleArray(this._scale);\n sprite.scale.set(scale[0] * d, scale[1] * d, scale[2] * d);\n }\n else {\n const s = (this._options.particleSize ?? this._context.options.particleDefaultSize ?? 15) / 15 * 0.02;\n sprite.scale.set(s, s, s);\n }\n\n const position = this.getPosition(this._simulation.getJd());\n sprite.position.set(position[0], position[1], position[2]);\n\n if (this.isStaticObject()) {\n sprite.updateMatrix();\n sprite.matrixAutoUpdate = false;\n }\n\n return sprite;\n }\n\n /**\n * @private\n * Builds the {Orbit} for this object\n * @return {Orbit} An orbit object\n */\n private createOrbit(): Orbit {\n if (this._orbit) {\n return this._orbit;\n }\n\n const ephem = this._useEphemTable\n ? this._options.ephemTable\n : this._options.ephem;\n if (!ephem) {\n throw new Error('Cannot create orbit without Ephem or EphemerisTable');\n }\n return new Orbit(ephem, {\n orbitPathSettings: this._options.orbitPathSettings,\n color: this._options.theme?.orbitColor,\n eclipticLineColor: this._options.ecliptic?.lineColor,\n });\n }\n\n /**\n * @private\n * Determines whether to update the position of an update. Don't update if JD\n * threshold is less than a certain amount.\n * @param {Number} afterJd Next JD\n * @return {boolean} Whether to update\n */\n private shouldUpdateObjectPosition(afterJd: number): boolean {\n // TODO(ian): Reenable this as a function of zoom level, because as you get\n // closer the chopiness gets more noticeable.\n return true;\n /*\n if (!this._degreesPerDay || !this._lastPositionUpdate) {\n return true;\n }\n const degMove = this._degreesPerDay * (afterJd - this._lastPositionUpdate);\n if (degMove < MIN_DEG_MOVE_PER_DAY) {\n return false;\n }\n return true;\n */\n }\n\n /**\n * @protected\n * Used by child classes to set the object that gets its position updated.\n * @param {THREE.Object3D} obj Any THREE.js object\n */\n protected setPositionedObject(obj: THREE.Object3D) {\n this._object3js = obj;\n }\n\n protected getScale(): [number, number, number] {\n return this._scale;\n }\n\n /**\n * Make this object orbit another orbit.\n * @param {Object} spaceObj The SpaceObject that will serve as the origin of this object's orbit.\n */\n orbitAround(spaceObj: SpaceObject) {\n this._orbitAround = spaceObj;\n\n // force orbit update\n if (this._orbitPath) {\n this._simulation.getScene().remove(this._orbitPath);\n }\n this._orbitPath = undefined;\n this.update(this._simulation.getJd(), true /* force */);\n }\n\n /**\n * Updates the position of this object. Applicable only if this object is a\n * sprite and not a particle type.\n * @param {Number} x X position\n * @param {Number} y Y position\n * @param {Number} z Z position\n */\n setPosition(x: number, y: number, z: number) {\n this._position[0] = rescaleNumber(x);\n this._position[1] = rescaleNumber(y);\n this._position[2] = rescaleNumber(z);\n }\n\n /**\n * Gets the visualization coordinates of this object at a given time.\n * @param {Number} jd JD date\n * @return {Array.} [X, Y,Z] coordinates\n */\n getPosition(jd: number): Coordinate3d {\n const pos = this._position;\n if (!this._orbit) {\n // Default implementation, a static object.\n return pos;\n }\n\n const posModified = this._orbit.getPositionAtTime(jd);\n if (this._orbitAround) {\n const parentPos = this._orbitAround.getPosition(jd);\n return [\n pos[0] + posModified[0] + parentPos[0],\n pos[1] + posModified[1] + parentPos[1],\n pos[2] + posModified[2] + parentPos[2],\n ];\n }\n return [\n pos[0] + posModified[0],\n pos[1] + posModified[1],\n pos[2] + posModified[2],\n ];\n }\n\n /**\n * Updates the object and its label positions for a given time.\n * @param {Number} jd JD date\n * @param {boolean} force Whether to force an update regardless of checks for\n * movement.\n */\n update(jd: number, force: boolean = false) {\n let newpos;\n if (this._label) {\n // Labels must update, even for static objects.\n // TODO(ian): Determine this based on orbit and camera position change.\n const meetsLabelUpdateThreshold =\n +new Date() - this._lastLabelUpdate > LABEL_UPDATE_MS;\n const shouldUpdateLabelPos =\n force || (this._showLabel && meetsLabelUpdateThreshold);\n if (shouldUpdateLabelPos) {\n if (!newpos) {\n newpos = this.getPosition(jd);\n }\n this.updateLabelPosition(newpos);\n this._lastLabelUpdate = +new Date();\n }\n }\n\n if (this.isStaticObject() && !force) {\n return;\n }\n\n let shouldUpdateObjectPosition = false;\n if (this._object3js || this._label) {\n shouldUpdateObjectPosition = force || this.shouldUpdateObjectPosition(jd);\n }\n if (this._object3js && shouldUpdateObjectPosition) {\n newpos = this.getPosition(jd);\n this._object3js.position.set(newpos[0], newpos[1], newpos[2]);\n // this._lastPositionUpdate = jd;\n }\n\n const orbitNeedsRefreshing =\n !this._orbitPath || this._orbit?.needsUpdateForTime(jd);\n if (this._orbit && !this._options.hideOrbit && orbitNeedsRefreshing) {\n if (this._orbitPath) {\n this._simulation.getScene().remove(this._orbitPath);\n }\n this._orbitPath = this._orbit.getOrbitShape(jd, true, this._orbitAround);\n this._orbitPath.name = `${this._id}-orbit`;\n this._simulation.getScene().add(this._orbitPath);\n }\n\n const eclipticNeedsRefreshing =\n !this._eclipticLines || orbitNeedsRefreshing;\n if (\n this._orbit &&\n this._options.ecliptic &&\n this._options.ecliptic.displayLines &&\n eclipticNeedsRefreshing\n ) {\n if (this._eclipticLines) {\n this._simulation.getScene().remove(this._eclipticLines);\n }\n this._eclipticLines = this._orbit.getLinesToEcliptic();\n this._eclipticLines.name = `${this._id}-orbit-ec-lines`;\n this._simulation.getScene().add(this._eclipticLines);\n }\n\n if (this._orbitAround) {\n const parentPos = this._orbitAround.getPosition(jd);\n if (this._particleIndex !== undefined) {\n // TODO(ian): Only do this when the origin changes\n this._context.objects.particles?.setParticleOrigin(\n this._particleIndex!,\n parentPos,\n );\n }\n\n if (!this._options.hideOrbit && !this._orbit?.isHeliocentric()) {\n this._orbitPath?.position.set(parentPos[0], parentPos[1], parentPos[2]);\n this._eclipticLines?.position.set(parentPos[0], parentPos[1], parentPos[2]);\n }\n }\n }\n\n /**\n * Gets the THREE.js objects that represent this SpaceObject. The first\n * object returned is the primary object. Other objects may be returned,\n * such as rings, ellipses, etc.\n * @return {Array.} A list of THREE.js objects\n */\n get3jsObjects(): THREE.Object3D[] {\n const ret = [];\n if (this._object3js) {\n ret.push(this._object3js);\n }\n if (this._orbit) {\n if (this._orbitPath) {\n ret.push(this._orbitPath);\n }\n\n if (this._eclipticLines) {\n ret.push(this._eclipticLines);\n }\n }\n return ret;\n }\n\n /**\n * Specifies the object that is used to compute the bounding box. By default,\n * this will be the first THREE.js object in this class's list of objects.\n * @return {THREE.Object3D} THREE.js object\n */\n async getBoundingObject(): Promise {\n return Promise.resolve(this.get3jsObjects()[0]);\n }\n\n /**\n * Gets the color of this object. Usually this corresponds to the color of\n * the dot representing the object as well as its orbit.\n * @return {Number} A hexidecimal color value, e.g. 0xFFFFFF\n */\n getColor(): number {\n if (this._options.theme) {\n return this._options.theme.color || 0xffffff;\n }\n return 0xffffff;\n }\n\n /**\n * Gets the {Orbit} object for this SpaceObject.\n * @return {Orbit} Orbit object\n */\n getOrbit(): Orbit | undefined {\n return this._orbit;\n }\n\n /**\n * Gets label visilibity status.\n * @return {boolean} Whether label is visible.\n */\n getLabelVisibility(): boolean {\n return this._showLabel;\n }\n\n /**\n * Gets the label HTML Element.\n * @return {HTMLElement | undefined} The label element.\n */\n getLabelElement(): HTMLElement | undefined {\n return this._label;\n }\n\n /**\n * Toggle the visilibity of the label.\n * @param {boolean} val Whether to show or hide.\n */\n setLabelVisibility(val: boolean) {\n if (!this._label) {\n throw new Error('Attempted to set label visibility without a label');\n }\n\n if (val) {\n this._showLabel = true;\n this._label.style.display = 'block';\n } else {\n this._showLabel = false;\n this._label.style.display = 'none';\n }\n }\n\n /**\n * Gets the unique ID of this object.\n * @return {String} Unique ID\n */\n getId(): string {\n return this._id;\n }\n\n /**\n * Determines whether object is static (can't change its position) or whether\n * its position can be updated (ie, it has ephemeris)\n * @return {boolean} Whether this object can change its position.\n */\n isStaticObject(): boolean {\n return this._isStaticObject;\n }\n\n /**\n * Determines whether object is ready to be measured or added to scene.\n * @return {boolean} True if ready\n */\n isReady(): boolean {\n return this._initialized;\n }\n\n setVisibility(val: boolean) {\n this.get3jsObjects().forEach((obj) => {\n obj.visible = val;\n });\n if (this._particleIndex !== undefined) {\n this._context?.objects.particles.setParticleVisibility(val, this._particleIndex);\n }\n this.setLabelVisibility(val);\n }\n\n isVisible(): boolean {\n let visible = this.get3jsObjects().some(obj => obj.visible);\n if (this._particleIndex !== undefined) {\n visible = visible || this._context?.objects.particles.isParticleVisible(this._particleIndex);\n }\n visible = visible || this._showLabel;\n return visible;\n }\n\n removalCleanup() {\n if (this._label) {\n this._simulation.getSimulationElement().removeChild(this._label);\n this._label = undefined;\n }\n\n if (this._particleIndex !== undefined) {\n this._context?.objects.particles.hideParticle(this._particleIndex);\n if (!this._context?.objects.particles.isVisible()) {\n this._simulation.removeObject(this._context?.objects.particles);\n }\n }\n\n this._orbit?.removalCleanup();\n this._geometries.forEach(g => { g.dispose(); });\n this._materials.forEach(m => { m.dispose(); });\n this._textures.forEach(t => { t.dispose(); });\n }\n}\n\nexport const DEFAULT_PLANET_TEXTURE_URL = '{{assets}}/sprites/smallparticle.png';\n\n/**\n * Useful presets for creating SpaceObjects.\n * @example\n * ```\n * const myobject = viz.addObject('planet1', Spacekit.SpaceObjectPresets.MERCURY);\n * ```\n */\nexport const SpaceObjectPresets = {\n SUN: {\n textureUrl: '{{assets}}/sprites/lensflare0.png',\n position: [0, 0, 0],\n radius: 0.5, // massive radius for backwards compatibility, 0.00465 AU is the real value\n },\n MERCURY: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x913cee,\n },\n ephem: EphemPresets.MERCURY,\n },\n VENUS: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xff7733,\n },\n ephem: EphemPresets.VENUS,\n },\n EARTH: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x009acd,\n },\n ephem: EphemPresets.EARTH,\n },\n MOON: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xffd700,\n },\n ephem: EphemPresets.MOON,\n\n // Special params\n particleSize: 6,\n },\n MARS: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xa63a3a,\n },\n ephem: EphemPresets.MARS,\n },\n JUPITER: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xffb90f,\n },\n ephem: EphemPresets.JUPITER,\n },\n SATURN: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x336633,\n },\n ephem: EphemPresets.SATURN,\n },\n URANUS: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x0099ff,\n },\n ephem: EphemPresets.URANUS,\n },\n NEPTUNE: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x3333ff,\n },\n ephem: EphemPresets.NEPTUNE,\n },\n PLUTO: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xccc0b0,\n },\n ephem: EphemPresets.PLUTO,\n },\n};\n", "import * as THREE from 'three';\n\nimport Units from './Units';\nimport { SpaceObject } from './SpaceObject';\nimport { rescaleVector } from './Scale';\n\nimport type { Simulation } from './Simulation';\nimport type { SpaceObjectOptions } from './SpaceObject';\n\nfunction getAxis(src: THREE.Vector3, dst: THREE.Vector3, color: number) {\n const mat = new THREE.LineBasicMaterial({ linewidth: 3, color });\n const geom = new THREE.BufferGeometry().setFromPoints([\n rescaleVector(src).clone(),\n rescaleVector(dst).clone(),\n ]);\n\n const axis = new THREE.Line(geom, mat);\n axis.computeLineDistances();\n return axis;\n}\n\nfunction getAxes() {\n return [\n getAxis(new THREE.Vector3(0, 0, 0), new THREE.Vector3(3, 0, 0), 0xff0000),\n getAxis(new THREE.Vector3(0, 0, 0), new THREE.Vector3(0, 3, 0), 0x00ff00),\n getAxis(new THREE.Vector3(0, 0, 0), new THREE.Vector3(0, 0, 3), 0x0000ff),\n ];\n}\n\n/**\n * This class simulates an object that spins according to provided rotational\n * parameters.\n */\nexport class RotatingObject extends SpaceObject {\n protected _obj: THREE.Object3D;\n\n private _objectIsRotatable: boolean;\n\n // private _axisRotationAngleOffset: number;\n\n private _axisOfRotation?: THREE.Vector3;\n\n /*\n * FIXME(ian): This implementation is still WIP! Rotational parameters are not\n * used right now.\n * @param {boolean} options.rotation.enable Rotate the object\n * @param {Number} options.rotation.speed Rotates the object even though no time elapsed, degs/rendering tick\n * @param {Number} options.rotation.lambdaDeg Ecliptic longitude lambda, in degrees\n * @param {Number} options.rotation.betaDeg Ecliptic longitude beta, in degrees\n * @param {Number} options.rotation.period Rotational period, in JD\n * @param {Number} options.rotation.yorp YORP coefficient, if any (defaults to 0)\n * @param {Number} options.rotation.phi0 Initial rotation phi, in degrees (defaults to 0)\n * @param {Number} options.rotation.jd0 JD epoch of rotational parameters\n * @see SpaceObject\n */\n constructor(\n id: string,\n options: SpaceObjectOptions,\n simulation: Simulation,\n autoInit: boolean = true,\n ) {\n super(id, options, simulation, false /* autoInit */);\n\n // The THREE.js object\n this._obj = new THREE.Object3D();\n this._obj.name = `${this._id}-rot-obj`;\n this._renderMethod = 'ROTATING_OBJECT';\n super.setPositionedObject(this._obj);\n\n this._objectIsRotatable = !!this._options.rotation;\n\n // Offset of axis angle\n // this._axisRotationAngleOffset = 0;\n this._axisOfRotation = undefined;\n\n if (autoInit) {\n this.init();\n }\n }\n\n override init(): boolean {\n if (this._objectIsRotatable) {\n this.initRotation();\n }\n\n if (this._options.debug) {\n if (this._options.debug.showAxes) {\n getAxes().forEach((axis) => {\n this._materials.push(axis.material as THREE.Material);\n this._geometries.push(axis.geometry as THREE.BufferGeometry);\n this._obj.add(axis);\n });\n }\n\n if (this._options.debug.showGrid) {\n const gridHelper = new THREE.GridHelper(3, 3, 0xff0000, 0xffeeee);\n gridHelper.geometry.rotateX(Math.PI / 2);\n this._materials.push(gridHelper.material);\n this._geometries.push(gridHelper.geometry);\n this._obj.add(gridHelper);\n }\n }\n\n return super.init();\n }\n\n initRotation() {\n if (!this._options.rotation) {\n throw new Error(\n 'Must specify `rotation` option when creating a RotatingObject',\n );\n }\n\n const { rotation } = this._options;\n if (typeof rotation.jd0 === 'undefined') {\n return;\n }\n\n // Formula\n // https://astro.troja.mff.cuni.cz/projects/asteroids3D/web.php?page=db_description\n\n // Testing this asteroid:\n // http://astro.troja.mff.cuni.cz/projects/asteroids3D/web.php?page=db_asteroid_detail&asteroid_id=1504\n // Model 2691\n\n // Cacus\n // http://astro.troja.mff.cuni.cz/projects/asteroids3D/web.php?page=db_asteroid_detail&asteroid_id=1046\n // http://astro.troja.mff.cuni.cz/projects/asteroids3D/php.php?script=db_sky_projection&model_id=1863&jd=2443568.0\n\n // North Pole Ecliptic Longitude\n const eLon = Units.rad(rotation.lambdaDeg || 0);\n\n // North Pole Ecliptic Latitude\n const eLat = Units.rad(rotation.betaDeg || 0);\n\n // Current simulation time in JD\n const JD = this._simulation.getJd();\n\n // Z axis is ecliptic North, X towards the sun at March equinox, Y is 90 deg to the east from X.\n // Assume the object's Z-axis is its rotation axis. Rotate it to point to (lambda, beta).\n // see Fig. 1 from https://astropedia.astrogeology.usgs.gov/download/Docs/WGCCRE/WGCCRE2015reprint.pdf\n // NOTE: the above reference seems to have a mistake as it says 90deg - a0, whereas 90deg + a0 seems to be correct.\n const W = this._z_rotation(JD)\n if (typeof W !== 'undefined') {\n this._obj.rotateZ((Math.PI / 2) + eLon); // Rotate X-axis to the body equator\n this._obj.rotateX((Math.PI / 2) - eLat); // Rotate Z-axis to the correct lat and lon\n this._obj.rotateZ(W); // Rotate around the Z-axis to spin the body the correct amount\n }\n }\n\n _z_rotation(jd: number) {\n if (typeof this._options.rotation === 'undefined') {\n return undefined;\n }\n const { period, yorp, phi0, jd0 } = this._options.rotation;\n if (typeof jd0 === 'undefined') {\n return undefined;\n }\n\n return (Units.rad(phi0 || 0) +\n ((2 * Math.PI) / period) * (jd - jd0) +\n (1 / 2) * (yorp || 0) * Math.pow(jd - jd0, 2)) % (2 * Math.PI);\n }\n\n /**\n * Updates the object and its label positions for a given time.\n * @param {Number} jd JD date\n */\n override update(jd: number, force: boolean = false) {\n if (\n this._obj &&\n this._objectIsRotatable &&\n this._options.rotation &&\n this._options.rotation.enable\n ) {\n if (this._axisOfRotation) {\n // this._obj.rotateOnAxis(this._axisOfRotation, 0.01);\n }\n if (this._options.rotation.speed) {\n this._obj.rotateZ(Units.rad(this._options.rotation.speed))\n }\n else {\n // Rotate the object around the Z axis\n const z_rot = this._z_rotation(jd);\n if (typeof z_rot !== 'undefined') {\n this._obj.rotation.z = z_rot;\n }\n }\n }\n\n // Update position\n super.update(jd, force);\n }\n\n /**\n * Gets the THREE.js objects that represent this SpaceObject.\n * @return {Array.} A list of THREE.js objects\n */\n override get3jsObjects(): THREE.Object3D[] {\n const ret = super.get3jsObjects();\n // NOTE: super.setPositionedObject(this._obj) in constructor already includes this._obj in the list\n return ret;\n }\n\n /**\n * Begin rotating this object.\n */\n startRotation() {\n if (!this._options.rotation) {\n throw new Error(\n 'Must specify `rotation` option when creating a RotatingObject',\n );\n }\n this._options.rotation.enable = true;\n }\n\n /**\n * Stop rotation of this object.\n */\n stopRotation() {\n if (!this._options.rotation) {\n throw new Error(\n 'Must specify `rotation` option when creating a RotatingObject',\n );\n }\n this._options.rotation.enable = false;\n }\n}\n", "import * as THREE from 'three';\nimport { OBJLoader } from 'three/examples/jsm/loaders/OBJLoader.js';\n\nimport { RotatingObject } from './RotatingObject';\n\nimport type { Simulation } from './Simulation';\nimport type { SpaceObjectOptions } from './SpaceObject';\n\nexport class ShapeObject extends RotatingObject {\n private shapeObj: THREE.Object3D | undefined;\n\n private loadingPromise: Promise;\n\n /**\n * @param {Object} options.shape Shape specification\n * @param {String} options.shape.type Type of object (\"custom\" or \"sphere\")\n * @param {String} options.shape.shapeUrl Path to shapefile if type is \"custom\"\n * @param {Number} options.shape.textureUrl Optional texture map for shape\n * @param {Number} options.shape.color Color of shape materials. Default 0xcccccc\n * @param {Number} options.shape.radius Radius, if applicable. Defaults to 1\n * @param {Object} options.shape.debug Debug options\n * @param {boolean} options.shape.debug.showAxes Show axes\n * rotation speed. Default 0.5\n * @see SpaceObject\n * @see RotatingObject\n */\n constructor(id: string, options: SpaceObjectOptions, simulation: Simulation) {\n super(id, options, simulation, false /* autoInit */);\n if (!options.shape) {\n throw new Error('ShapeObject requires an options.shape object');\n }\n if (!options.shape?.shapeUrl) {\n throw new Error(\n 'Must specify shape.shapeUrl when creating a ShapeObject',\n );\n }\n\n this.shapeObj = undefined;\n\n const manager = new THREE.LoadingManager();\n manager.onProgress = (item: string, loaded: number, total: number) => {\n console.info(this._id, item, 'loading progress:', loaded, '/', total);\n };\n this.loadingPromise = new Promise((resolve) => {\n const loader = new OBJLoader(manager);\n // TODO(ian): Make shapeurl follow assetpath logic.\n loader.load(options.shape!.shapeUrl!, (object) => {\n object.traverse((child: unknown) => {\n if (child instanceof THREE.Mesh) {\n const material = new THREE.MeshStandardMaterial({\n color: this._options.shape!.color || 0xcccccc,\n });\n child.material = material;\n child.geometry.scale(0.05, 0.05, 0.05);\n /*\n child.geometry.computeFaceNormals();\n child.geometry.computeVertexNormals();\n child.geometry.computeBoundingBox();\n */\n this._geometries.push(child.geometry);\n this._materials.push(material);\n if (material.map) {\n this._textures.push(material.map as THREE.Texture);\n }\n }\n });\n\n object.name = `${this._id}-shape-obj`;\n this.shapeObj = object;\n this._obj.add(object);\n\n if (this._simulation) {\n // Add it all to visualization.\n this._simulation.addObject(this, false /* noUpdate */);\n }\n\n this._initialized = true;\n resolve(this.shapeObj);\n });\n });\n\n // TODO(ian): Create an orbit if applicable\n super.init();\n }\n\n /**\n * Specifies the object that is used to compute the bounding box.\n * @return {THREE.Object3D} THREE.js object\n */\n override async getBoundingObject(): Promise {\n return this.loadingPromise;\n }\n}\n", "import * as THREE from 'three';\n\nimport type {\n Simulation,\n SimulationContext,\n SimulationObject,\n} from './Simulation';\nimport { getFullTextureUrl } from './util';\nimport { Material } from \"three\"\nimport { MeshBasicMaterial } from \"three/src/materials/MeshBasicMaterial\"\n\ninterface SkyboxOptions {\n textureUrl: string;\n basePath: string;\n}\n\n/**\n * A class that adds a skybox (technically a skysphere) to a visualization.\n */\nexport class Skybox implements SimulationObject {\n private simulation: Simulation;\n\n private context: SimulationContext;\n\n private id: string;\n\n private options: SkyboxOptions;\n\n private mesh?: THREE.Mesh;\n\n /**\n * @param {Object} options Options\n * @param {String} options.textureUrl Texture to use\n * @param {String} options.basePath Base path to simulation supporting files\n * @param {Simulation} simulation Simulation object\n */\n constructor(options: SkyboxOptions, simulation: Simulation) {\n // TODO(ian): Support for actual box instead of sphere...\n this.options = options;\n this.id = `__skybox_${new Date().getTime()}`;\n\n // User passed in Simulation\n this.simulation = simulation;\n this.context = simulation.getContext();\n\n this.mesh = undefined;\n\n this.init();\n }\n\n /**\n * @private\n */\n private init() {\n const geometry = new THREE.SphereGeometry(1e10, 32, 32);\n\n const fullTextureUrl = getFullTextureUrl(\n this.options.textureUrl,\n this.context.options.basePath,\n );\n const texture = new THREE.TextureLoader().load(fullTextureUrl);\n texture.colorSpace = THREE.SRGBColorSpace;\n\n const material = new THREE.MeshBasicMaterial({\n map: texture,\n side: THREE.BackSide,\n });\n\n const sky = new THREE.Mesh(geometry, material);\n sky.name = this.id;\n\n // See this thread on orientation of milky way:\n // https://www.physicsforums.com/threads/orientation-of-the-earth-sun-and-solar-system-in-the-milky-way.888643/\n sky.rotation.x = 0;\n sky.rotation.y = (-1 / 12) * Math.PI;\n sky.rotation.z = (8 / 5) * Math.PI;\n\n // We're on the inside of the skybox, so invert it to correct it.\n sky.scale.set(-1, 1, 1);\n\n this.mesh = sky;\n\n if (this.simulation) {\n this.simulation.addObject(this, true /* noUpdate */);\n }\n }\n\n /**\n * A list of THREE.js objects that are used to compose the skybox.\n * @return {THREE.Object3D[]} Skybox mesh\n */\n get3jsObjects(): THREE.Object3D[] {\n if (this.mesh) {\n return [this.mesh];\n }\n return [];\n }\n\n /**\n * Get the unique ID of this object.\n * @return {String} id\n */\n getId(): string {\n return this.id;\n }\n\n update() {\n // Skyboxes don't update\n }\n\n isVisible() {\n return this.mesh?.visible ?? false;\n }\n\n setVisibility(val: boolean) {\n if (this.mesh) {\n this.mesh.visible = val;\n }\n }\n\n /**\n * Free all GPU resources\n */\n removalCleanup() {\n if (this.mesh) {\n this.mesh.geometry.dispose();\n (this.mesh.material as MeshBasicMaterial).dispose();\n (this.mesh.material as MeshBasicMaterial).map?.dispose();\n }\n }\n}\n\n/**\n * Preset skybox objects that you can use to add a skybox to your\n * visualization.\n * @example\n * ```\n * const skybox = viz.createSkybox(Spacekit.SkyboxPresets.NASA_TYCHO);\n * ```\n */\nexport const SkyboxPresets: Record = {\n ESO_GIGAGALAXY: {\n textureUrl: '{{assets}}/skybox/eso_milkyway.jpg',\n },\n ESO_LITE: {\n textureUrl: '{{assets}}/skybox/eso_lite.png',\n },\n NASA_TYCHO: {\n // from https://svs.gsfc.nasa.gov/3895\n textureUrl: '{{assets}}/skybox/nasa_tycho.jpg',\n },\n};\n", "import * as THREE from 'three';\n//import { TranslucentShader } from 'three/examples/jsm/shaders/TranslucentShader.js';\n\nimport Units from './Units';\nimport { RotatingObject } from './RotatingObject';\nimport { rescaleArray, rescaleNumber } from \"./Scale\"\nimport {\n ATMOSPHERE_SHADER_VERTEX,\n ATMOSPHERE_SHADER_FRAGMENT,\n RING_SHADER_VERTEX,\n RING_SHADER_FRAGMENT,\n SPHERE_SHADER_VERTEX,\n SPHERE_SHADER_FRAGMENT,\n} from './shaders';\n\nimport type { IUniform } from 'three';\nimport type { Simulation } from './Simulation';\nimport type { SpaceObjectOptions } from './SpaceObject';\nimport { DEFAULT_PLANET_TEXTURE_URL } from './SpaceObject';\nimport { getFullTextureUrl } from \"./util\"\n\n/**\n * Simulates a planet or other object as a perfect sphere.\n */\nexport class SphereObject extends RotatingObject {\n /**\n * @param {String} options.textureUrl Path to basic texture (optional)\n * @param {String} options.bumpMapUrl Path to bump map (optional)\n * @param {String} options.specularMapUrl Path to specular map (optional)\n * @param {Number} options.color Hex color of the sphere\n * @param {Number} options.axialTilt Axial tilt in degrees (rotation options will override this)\n * @param {Number} options.radius Radius of sphere. Defaults to 1\n * @param {Object} options.levelsOfDetail List of {threshold: x, segments:\n * y}, where `threshold` is radii distance and `segments` is the number\n * number of sphere faces to render.\n * @param {Object} options.atmosphere Atmosphere options\n * @param {Object} options.atmosphere.enable Show atmosphere\n * @param {Object} options.atmosphere.color Atmosphere color\n * @param {Object} options.atmosphere.innerSizeRatio Size ratio of the inner\n * atmosphere to the radius of the sphere. Defaults to 0.025\n * @param {Object} options.atmosphere.outerSizeRatio Size ratio of the outer\n * atmosphere to the radius of the sphere. Defaults to 0.15\n * @param {Object} options.debug Debug options\n * @param {boolean} options.debug.showAxes Show axes\n * @see SpaceObject\n * @see RotatingObject\n */\n constructor(id: string, options: SpaceObjectOptions, simulation: Simulation) {\n super(id, options, simulation, false /* autoInit */);\n\n this.init();\n }\n\n override init(): boolean {\n let map: THREE.Texture | null = null;\n if (this._options.textureUrl) {\n map = new THREE.TextureLoader().load(this._options.textureUrl);\n map.colorSpace = THREE.SRGBColorSpace;\n this._textures.push(map);\n }\n\n const color = this._options.color ?? this._options.theme?.color ?? 0xbbbbbb;\n const detailedObj = new THREE.LOD();\n const levelsOfDetail = this._options.levelsOfDetail || [\n { radii: 0, segments: 64 },\n ];\n const radius = this.getScaledRadius();\n\n for (let i = 0; i < levelsOfDetail.length; i += 1) {\n const level = levelsOfDetail[i];\n let lodObj: THREE.Object3D;\n\n if (level.segments > 0) {\n const sphereGeometry = new THREE.SphereGeometry(\n radius,\n level.segments,\n level.segments,\n );\n this._geometries.push(sphereGeometry);\n\n let material: THREE.ShaderMaterial | THREE.MeshBasicMaterial;\n if (this._simulation.isUsingLightSources()) {\n if (map === null) {\n console.warn(`SphereObject ${this._id} requires a texture when using a light source.`);\n }\n const uniforms: Record = {\n sphereTex: {\n value: map,\n },\n lightPos: {\n value: new THREE.Vector3(),\n },\n };\n // TODO(ian): Handle if no map\n uniforms.lightPos.value.copy(this._simulation.getLightPosition());\n material = new THREE.ShaderMaterial({\n uniforms,\n vertexShader: SPHERE_SHADER_VERTEX,\n fragmentShader: SPHERE_SHADER_FRAGMENT,\n transparent: true,\n });\n } else {\n material = new THREE.MeshBasicMaterial({ map, color });\n }\n this._materials.push(material);\n\n lodObj = new THREE.Mesh(sphereGeometry, material);\n lodObj.receiveShadow = true;\n lodObj.castShadow = true;\n\n // Change the coordinate system to have Z-axis pointed up.\n lodObj.rotation.x = Math.PI / 2;\n }\n else {\n // create a sprite instead, marking the position of the object when too far away to show otherwise\n const textureUrl = getFullTextureUrl(DEFAULT_PLANET_TEXTURE_URL, this._context.options.basePath);\n const spriteMap = new THREE.TextureLoader().load(textureUrl);\n spriteMap.colorSpace = THREE.SRGBColorSpace;\n this._textures.push(spriteMap);\n\n const spriteMaterial = new THREE.SpriteMaterial({\n map: spriteMap,\n color: color,\n blending: THREE.AdditiveBlending,\n depthWrite: false,\n sizeAttenuation: false,\n });\n this._materials.push(spriteMaterial);\n\n const s = (this._options.particleSize ?? this._context.options.particleDefaultSize ?? 15) / 15 * 0.02;\n lodObj = new THREE.Sprite(spriteMaterial);\n lodObj.scale.set(s, s, s);\n }\n\n // Show this number of segments at distance >= radii * level.radii.\n detailedObj.addLevel(lodObj, radius * level.radii);\n }\n detailedObj.name = `${this._id}-detailed`;\n\n // Add to the parent base object.\n this._obj.add(detailedObj);\n\n if (this._options.atmosphere && this._options.atmosphere.enable) {\n const atmosphere = this.renderFullAtmosphere();\n if (atmosphere) {\n this._obj.add(atmosphere);\n }\n }\n\n if (this._options.axialTilt && this._options.rotation?.lambdaDeg === undefined) {\n this._obj.rotation.y += Units.rad(this._options.axialTilt);\n }\n\n this._renderMethod = 'SPHERE';\n\n return super.init();\n }\n\n /**\n * @private\n */\n private getScaledRadius(): number {\n return rescaleNumber(this._options.radius || 1);\n }\n\n /**\n * @private\n * Model the atmosphere as two layers - a thick inner layer and a diffuse\n * outer one.\n */\n private renderFullAtmosphere() {\n if (!this._simulation.isUsingLightSources()) {\n console.warn('Cannot render atmosphere without a light source');\n return null;\n }\n\n const radius = this.getScaledRadius();\n const color = new THREE.Color(this._options?.atmosphere?.color ?? 0xffffff);\n\n const innerSize =\n radius * (this._options?.atmosphere?.innerSizeRatio ?? 0.025);\n const outerSize =\n radius * (this._options?.atmosphere?.outerSizeRatio ?? 0.15);\n\n const detailedObj = new THREE.Object3D();\n detailedObj.add(\n this.renderAtmosphereComponent(radius, innerSize, 0.8, 2.0, color),\n );\n detailedObj.add(\n this.renderAtmosphereComponent(radius, outerSize, 0.5, 4.0, color),\n );\n\n // Hide atmosphere beyond some multiple of radius distance.\n // TODO(ian): This effect is somewhat jarring when the atmosphere first\n // appears, also arbitrary...\n const ret = new THREE.LOD();\n ret.addLevel(detailedObj, 0);\n ret.addLevel(new THREE.Object3D(), radius * 24);\n ret.name = `${this._id}-atm`;\n return ret;\n }\n\n /**\n * @private\n * @param {Number} radius Radius of object\n * @param {Number} size Size of atmosphere\n * @param {Number} coefficient Coefficient value\n * @param {Number} power Power value\n * @param {THREE.Color} colorObj Color of atmosphere\n */\n private renderAtmosphereComponent(\n radius: number,\n size: number,\n coefficient: number,\n power: number,\n colorObj: THREE.Color,\n ) {\n const geometry = new THREE.SphereGeometry(radius + size, 32, 32);\n const uniforms = {\n c: { value: coefficient },\n p: { value: power },\n color: { value: colorObj },\n lightPos: { value: new THREE.Vector3() },\n };\n const lightPosition = this._simulation.getLightPosition();\n if (lightPosition) {\n uniforms.lightPos.value.copy(lightPosition);\n }\n // TODO(ian): Handle case where there is no light.\n\n const material = new THREE.ShaderMaterial({\n uniforms,\n vertexShader: ATMOSPHERE_SHADER_VERTEX,\n fragmentShader: ATMOSPHERE_SHADER_FRAGMENT,\n side: THREE.BackSide,\n transparent: true,\n depthWrite: false,\n });\n this._geometries.push(geometry)\n this._materials.push(material)\n\n return new THREE.Mesh(geometry, material);\n }\n\n /**\n * Add rings around this object.\n * @param {Number} innerRadiusKm Inner radius of ring.\n * @param {Number} outerRadiusKm Outer radius of ring.\n * @param {String} texturePath Full path to 1xN ring texture. (each pixel\n * represents the color of a full circle within the ring)\n * @param {Number} segments Number of segments to use to render ring.\n * (optional)\n */\n addRings(\n innerRadiusKm: number,\n outerRadiusKm: number,\n texturePath: string,\n segments: number = 128,\n ) {\n const innerRadiusSize = rescaleNumber(Units.kmToAu(innerRadiusKm));\n const outerRadiusSize = rescaleNumber(Units.kmToAu(outerRadiusKm));\n\n const geometry = new THREE.RingGeometry(\n innerRadiusSize,\n outerRadiusSize,\n segments,\n 5,\n 0,\n Math.PI * 2,\n );\n this._geometries.push(geometry);\n\n // TODO(ian): Load from base path.\n const map = new THREE.TextureLoader().load(texturePath);\n map.colorSpace = THREE.SRGBColorSpace;\n this._textures.push(map);\n\n let material;\n if (this._simulation.isUsingLightSources()) {\n // TODO(ian): Follow recommendation for defining ShaderMaterials here:\n // https://discourse.threejs.org/t/cant-get-a-sampler2d-uniform-to-work-from-datatexture/6366/14?u=ianw\n const uniforms = THREE.UniformsUtils.merge([\n // TODO(ian): These failed due to type check. Remove?\n // THREE.UniformsLib.ambient,\n THREE.UniformsLib.lights,\n // THREE.UniformsLib.shadowmap,\n {\n ringTex: { value: null },\n innerRadius: { value: innerRadiusSize },\n outerRadius: { value: outerRadiusSize },\n lightPos: { value: new THREE.Vector3() },\n },\n ]);\n uniforms.ringTex.value = map;\n uniforms.lightPos.value.copy(this._simulation.getLightPosition());\n\n material = new THREE.ShaderMaterial({\n uniforms,\n lights: true,\n vertexShader: RING_SHADER_VERTEX,\n fragmentShader: RING_SHADER_FRAGMENT,\n transparent: true,\n alphaTest: 0.1,\n side: THREE.DoubleSide,\n });\n } else {\n material = new THREE.MeshBasicMaterial({\n map,\n side: THREE.DoubleSide,\n transparent: true,\n alphaTest: 0.1,\n opacity: 0.8,\n });\n }\n this._materials.push(material);\n\n const mesh = new THREE.Mesh(geometry, material);\n mesh.receiveShadow = true;\n mesh.castShadow = true;\n mesh.name = `${this._id}-ring`;\n\n this._obj.add(mesh);\n }\n}\n", "import * as THREE from 'three';\n\nimport { STAR_SHADER_VERTEX, STAR_SHADER_FRAGMENT } from './shaders';\n\nimport type { Coordinate3d } from './Coordinates';\nimport type { Simulation, SimulationObject } from './Simulation';\nimport { MeshBasicMaterial } from \"three/src/materials/MeshBasicMaterial\"\n\ninterface StaticParticleOptions {\n defaultColor: number;\n size: number;\n}\n\nconst DEFAULT_PARTICLE_SIZE = 4;\nconst DEFAULT_COLOR = 0xffffff;\n\n/**\n * Simulates a static particle field in whichever base reference the simulation is in.\n */\nexport class StaticParticles implements SimulationObject {\n private id: string;\n\n private options: StaticParticleOptions;\n\n private simulation: Simulation;\n\n private points: Coordinate3d[];\n\n private pointObject?: THREE.Points;\n\n /**\n *\n * @param {String} id Unique ID for this object\n * @param {Array.Array.} points an array of X,Y,Z cartesian points, one for each particle\n * @param {Object} options container\n * @param {Color} options.defaultColor color to use for all particles can be a THREE string color name or hex value\n * @param {Number} options.size the size of each particle\n * @param {Simulation} simulation Simulation object\n */\n constructor(\n id: string,\n points: Coordinate3d[],\n options: StaticParticleOptions,\n simulation: Simulation,\n ) {\n this.options = options;\n\n this.id = id;\n\n // User passed in Simulation\n this.simulation = simulation;\n\n this.points = points;\n this.pointObject = undefined;\n\n this.init();\n this.simulation.addObject(this, true);\n }\n\n init() {\n const positions = new Float32Array(this.points.length * 3);\n const colors = new Float32Array(this.points.length * 3);\n const sizes = new Float32Array(this.points.length);\n let color = new THREE.Color(DEFAULT_COLOR);\n\n if (this.options.defaultColor) {\n color = new THREE.Color(this.options.defaultColor);\n }\n\n let size = DEFAULT_PARTICLE_SIZE;\n\n if (this.options.size) {\n size = this.options.size;\n }\n\n for (let i = 0, l = this.points.length; i < l; i++) {\n const vertex = this.points[i];\n positions.set(vertex, i * 3);\n color.toArray(colors, i * 3);\n sizes[i] = size;\n }\n\n const geometry = new THREE.BufferGeometry();\n geometry.setAttribute('position', new THREE.BufferAttribute(positions, 3));\n geometry.setAttribute('color', new THREE.BufferAttribute(colors, 3));\n geometry.setAttribute('size', new THREE.BufferAttribute(sizes, 1));\n\n const material = new THREE.ShaderMaterial({\n vertexColors: true,\n vertexShader: STAR_SHADER_VERTEX,\n fragmentShader: STAR_SHADER_FRAGMENT,\n transparent: true,\n });\n\n this.pointObject = new THREE.Points(geometry, material);\n this.pointObject.name = `${this.id}-point-obj`;\n }\n\n /**\n * A list of THREE.js objects that are used to compose the particle system.\n * @return {THREE.Object3D} Point geometry\n */\n get3jsObjects(): THREE.Object3D[] {\n if (this.pointObject) {\n return [this.pointObject];\n }\n return [];\n }\n\n /**\n * Get the unique ID of this object.\n * @return {String} id\n */\n getId(): string {\n return this.id;\n }\n\n update() {\n // Static particles don't update\n }\n\n isVisible() {\n return this.pointObject?.visible ?? false;\n }\n\n setVisibility(val: boolean) {\n if (this.pointObject) {\n this.pointObject.visible = val;\n }\n }\n\n /**\n * Free all GPU resources\n */\n removalCleanup() {\n if (this.pointObject) {\n this.pointObject.geometry.dispose();\n (this.pointObject.material as MeshBasicMaterial).dispose();\n (this.pointObject.material as MeshBasicMaterial).map?.dispose();\n }\n }}\n", "import * as THREE from 'three';\n\nimport Coordinates from './Coordinates';\nimport Units from './Units';\nimport { STAR_SHADER_VERTEX, STAR_SHADER_FRAGMENT } from './shaders';\nimport { getFullUrl } from './util';\n\nimport type {\n Simulation,\n SimulationContext,\n SimulationObject,\n} from './Simulation';\nimport { MeshBasicMaterial } from \"three/src/materials/MeshBasicMaterial\"\n\ninterface StarOptions {\n minSize?: number;\n}\n\ntype StarRecord = [number, number, number, number];\n\n/**\n * Maps spectral class to star color\n * @param temp {Number} Star temperature in Kelvin\n * @return {Number} Color for star of given spectral class\n */\nfunction getColorForStar(temp: number): number {\n if (temp >= 30000) return 0x92b5ff;\n if (temp >= 10000) return 0xa2c0ff;\n if (temp >= 7500) return 0xd5e0ff;\n if (temp >= 6000) return 0xf9f5ff;\n if (temp >= 5200) return 0xffede3;\n if (temp >= 3700) return 0xffdab5;\n if (temp >= 2400) return 0xffb56c;\n return 0xffb56c;\n}\n\n/**\n * Returns the pixel size of a star.\n * @param mag {Number} Absolute magnitude of star\n * @param minSize {Number} Pixel size of the smallest star\n * @return {Number} Pixel size of star.\n */\nfunction getSizeForStar(mag: number, minSize: number): number {\n if (mag < 2.0) return minSize * 4;\n if (mag < 4.0) return minSize * 2;\n if (mag < 6.0) return minSize;\n return 1;\n}\n\n/**\n * Builds a starry background that is accurate for the Earth's position in\n * space.\n */\nexport class Stars implements SimulationObject {\n private _id: string;\n\n private _options: StarOptions;\n\n private _simulation: Simulation;\n\n private _context: SimulationContext;\n\n private _stars?: THREE.Points;\n\n /**\n * @param {Number} options.minSize The size of the smallest star.\n * Defaults to 0.75\n */\n constructor(options: StarOptions, simulation: Simulation) {\n this._options = options;\n this._id = `__stars_${new Date().getTime()}`;\n\n this._simulation = simulation;\n this._context = simulation.getContext();\n\n this._stars = undefined;\n\n this.init();\n }\n\n init() {\n const dataUrl = getFullUrl(\n '{{data}}/processed/bsc.json',\n this._context.options.basePath,\n );\n\n fetch(dataUrl)\n .then((resp) => resp.json())\n .then((library) => {\n const n = library.length;\n\n const geometry = new THREE.BufferGeometry();\n\n const positions = new Float32Array(n * 3);\n const colors = new Float32Array(n * 3);\n const sizes = new Float32Array(n);\n\n geometry.setAttribute(\n 'position',\n new THREE.BufferAttribute(positions, 3),\n );\n geometry.setAttribute('color', new THREE.BufferAttribute(colors, 3));\n geometry.setAttribute('size', new THREE.BufferAttribute(sizes, 1));\n\n library.forEach((star: StarRecord, idx: number) => {\n const [ra, dec, temp, mag] = star;\n\n const raRad = Units.rad(Units.hoursToDeg(ra));\n const decRad = Units.rad(dec);\n\n const cartesianSpherical = Coordinates.sphericalToCartesian(\n raRad,\n decRad,\n 1e9,\n );\n const pos = Coordinates.equatorialToEcliptic_Cartesian(\n cartesianSpherical[0],\n cartesianSpherical[1],\n cartesianSpherical[2],\n Coordinates.getObliquity(), // defaults to J2000 value\n );\n\n positions.set(pos, idx * 3);\n\n const color = new THREE.Color(getColorForStar(temp));\n colors.set(color.toArray(), idx * 3);\n\n sizes[idx] = getSizeForStar(\n mag,\n this._options.minSize || 3.0 /* minSize */,\n );\n });\n\n const material = new THREE.ShaderMaterial({\n uniforms: {},\n vertexColors: true,\n vertexShader: STAR_SHADER_VERTEX,\n fragmentShader: STAR_SHADER_FRAGMENT,\n\n transparent: true,\n });\n\n this._stars = new THREE.Points(geometry, material);\n this._stars.name = this._id\n\n if (this._simulation) {\n this._simulation.addObject(this, true /* noUpdate */);\n }\n });\n }\n\n /**\n * A list of THREE.js objects that are used to compose this object\n * @return {THREE.Object3D[]} Star objects\n */\n get3jsObjects(): THREE.Object3D[] {\n if (this._stars) {\n return [this._stars];\n }\n return [];\n }\n\n /**\n * Get the unique ID of this object.\n * @return {String} id\n */\n getId(): string {\n return this._id;\n }\n\n update() {\n // Stars don't update\n }\n\n isVisible() {\n return this._stars?.visible ?? false;\n }\n\n setVisibility(val: boolean) {\n if (this._stars) {\n this._stars.visible = val;\n }\n }\n\n /**\n * Free all GPU resources\n */\n removalCleanup() {\n if (this._stars) {\n this._stars.geometry.dispose();\n (this._stars.material as MeshBasicMaterial).dispose();\n (this._stars.material as MeshBasicMaterial).map?.dispose();\n }\n }\n}\n", "export * from './Camera';\nexport * from './Coordinates';\nexport * from './Ephem';\nexport * from './EphemerisTable';\nexport * from './EphemPresets';\nexport * from './Orbit';\nexport * from './Simulation';\nexport * from './Skybox';\nexport * from './SpaceObject';\nexport * from './RotatingObject';\nexport * from './ShapeObject';\nexport * from './SphereObject';\nexport * from './StaticParticles';\nexport * from './KeplerParticles';\nexport * from './Stars';\nexport * from './Units';\n\nimport * as _THREE from 'three';\nexport const THREE = _THREE;\n"], + "mappings": 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u[0]=e,u[1]=i,u[2]=o,u[3]=t,u[4]=s,u[5]=l,u[6]=n,u[7]=a,u[8]=c,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(e){let t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],this}extractBasis(e,t,n){return e.setFromMatrix3Column(this,0),t.setFromMatrix3Column(this,1),n.setFromMatrix3Column(this,2),this}setFromMatrix4(e){let t=e.elements;return this.set(t[0],t[4],t[8],t[1],t[5],t[9],t[2],t[6],t[10]),this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){let n=e.elements,i=t.elements,s=this.elements,a=n[0],o=n[3],l=n[6],c=n[1],u=n[4],h=n[7],d=n[2],f=n[5],p=n[8],v=i[0],x=i[3],g=i[6],m=i[1],b=i[4],y=i[7],E=i[2],_=i[5],w=i[8];return s[0]=a*v+o*m+l*E,s[3]=a*x+o*b+l*_,s[6]=a*g+o*y+l*w,s[1]=c*v+u*m+h*E,s[4]=c*x+u*b+h*_,s[7]=c*g+u*y+h*w,s[2]=d*v+f*m+p*E,s[5]=d*x+f*b+p*_,s[8]=d*g+f*y+p*w,this}multiplyScalar(e){let t=this.elements;return 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pg={Int8Array,Uint8Array,Uint8ClampedArray,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array};function mr(r,e){return new pg[r](e)}function Ta(r){return document.createElementNS("http://www.w3.org/1999/xhtml",r)}function fd(r,e=0){let t=3735928559^e,n=1103547991^e;for(let i=0,s;i>>16,2246822507)^Math.imul(n^n>>>13,3266489909),n=Math.imul(n^n>>>16,2246822507)^Math.imul(t^t>>>13,3266489909),4294967296*(2097151&n)+(t>>>0)}var gr,Kn=class{static getDataURL(e){if(/^data:/i.test(e.src)||typeof HTMLCanvasElement=="undefined")return e.src;let t;if(e instanceof HTMLCanvasElement)t=e;else{gr===void 0&&(gr=Ta("canvas")),gr.width=e.width,gr.height=e.height;let n=gr.getContext("2d");e instanceof ImageData?n.putImageData(e,0,0):n.drawImage(e,0,0,e.width,e.height),t=gr}return t.width>2048||t.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",e),t.toDataURL("image/jpeg",.6)):t.toDataURL("image/png")}},mg=0,ot=class extends 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this.name=e.name,this.image=e.image,this.mipmaps=e.mipmaps.slice(0),this.mapping=e.mapping,this.wrapS=e.wrapS,this.wrapT=e.wrapT,this.magFilter=e.magFilter,this.minFilter=e.minFilter,this.anisotropy=e.anisotropy,this.format=e.format,this.internalFormat=e.internalFormat,this.type=e.type,this.offset.copy(e.offset),this.repeat.copy(e.repeat),this.center.copy(e.center),this.rotation=e.rotation,this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrix.copy(e.matrix),this.generateMipmaps=e.generateMipmaps,this.premultiplyAlpha=e.premultiplyAlpha,this.flipY=e.flipY,this.unpackAlignment=e.unpackAlignment,this.encoding=e.encoding,this.userData=JSON.parse(JSON.stringify(e.userData)),this}toJSON(e){let t=e===void 0||typeof e=="string";if(!t&&e.textures[this.uuid]!==void 0)return e.textures[this.uuid];let n={metadata:{version:4.5,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,mapping:this.mapping,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};if(this.image!==void 0){let i=this.image;if(i.uuid===void 0&&(i.uuid=Wt()),!t&&e.images[i.uuid]===void 0){let s;if(Array.isArray(i)){s=[];for(let a=0,o=i.length;a1)switch(this.wrapS){case Ms:e.x=e.x-Math.floor(e.x);break;case _t:e.x=e.x<0?0:1;break;case Ss:Math.abs(Math.floor(e.x)%2)===1?e.x=Math.ceil(e.x)-e.x:e.x=e.x-Math.floor(e.x);break}if(e.y<0||e.y>1)switch(this.wrapT){case Ms:e.y=e.y-Math.floor(e.y);break;case _t:e.y=e.y<0?0:1;break;case Ss:Math.abs(Math.floor(e.y)%2)===1?e.y=Math.ceil(e.y)-e.y:e.y=e.y-Math.floor(e.y);break}return this.flipY&&(e.y=1-e.y),e}set needsUpdate(e){e===!0&&this.version++}};ot.DEFAULT_IMAGE=void 0;ot.DEFAULT_MAPPING=xa;ot.prototype.isTexture=!0;function Ll(r){return typeof HTMLImageElement!="undefined"&&r instanceof HTMLImageElement||typeof HTMLCanvasElement!="undefined"&&r instanceof HTMLCanvasElement||typeof ImageBitmap!="undefined"&&r instanceof ImageBitmap?Kn.getDataURL(r):r.data?{data:Array.prototype.slice.call(r.data),width:r.width,height:r.height,type:r.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}var Ve=class{constructor(e=0,t=0,n=0,i=1){this.x=e,this.y=t,this.z=n,this.w=i}get width(){return this.z}set width(e){this.z=e}get height(){return this.w}set height(e){this.w=e}set(e,t,n,i){return this.x=e,this.y=t,this.z=n,this.w=i,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this.w=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setW(e){return this.w=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;case 3:this.w=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=e.w!==void 0?e.w:1,this}add(e,t){return t!==void 0?(console.warn("THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this.z+=e.z,this.w+=e.w,this)}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this.w+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this.w=e.w+t.w,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this.w+=e.w*t,this}sub(e,t){return t!==void 0?(console.warn("THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this.z-=e.z,this.w-=e.w,this)}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this.w-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this.w=e.w-t.w,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this.w*=e.w,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this}applyMatrix4(e){let t=this.x,n=this.y,i=this.z,s=this.w,a=e.elements;return this.x=a[0]*t+a[4]*n+a[8]*i+a[12]*s,this.y=a[1]*t+a[5]*n+a[9]*i+a[13]*s,this.z=a[2]*t+a[6]*n+a[10]*i+a[14]*s,this.w=a[3]*t+a[7]*n+a[11]*i+a[15]*s,this}divideScalar(e){return this.multiplyScalar(1/e)}setAxisAngleFromQuaternion(e){this.w=2*Math.acos(e.w);let t=Math.sqrt(1-e.w*e.w);return t<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=e.x/t,this.y=e.y/t,this.z=e.z/t),this}setAxisAngleFromRotationMatrix(e){let t,n,i,s,a=.01,o=.1,l=e.elements,c=l[0],u=l[4],h=l[8],d=l[1],f=l[5],p=l[9],v=l[2],x=l[6],g=l[10];if(Math.abs(u-d)y&&b>E?bE?y=0?1:-1,b=1-g*g;if(b>Number.EPSILON){let E=Math.sqrt(b),_=Math.atan2(E,g*m);x=Math.sin(x*_)/E,o=Math.sin(o*_)/E}let y=o*m;if(l=l*x+d*y,c=c*x+f*y,u=u*x+p*y,h=h*x+v*y,x===1-o){let E=1/Math.sqrt(l*l+c*c+u*u+h*h);l*=E,c*=E,u*=E,h*=E}}e[t]=l,e[t+1]=c,e[t+2]=u,e[t+3]=h}static multiplyQuaternionsFlat(e,t,n,i,s,a){let o=n[i],l=n[i+1],c=n[i+2],u=n[i+3],h=s[a],d=s[a+1],f=s[a+2],p=s[a+3];return e[t]=o*p+u*h+l*f-c*d,e[t+1]=l*p+u*d+c*h-o*f,e[t+2]=c*p+u*f+o*d-l*h,e[t+3]=u*p-o*h-l*d-c*f,e}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get w(){return this._w}set w(e){this._w=e,this._onChangeCallback()}set(e,t,n,i){return this._x=e,this._y=t,this._z=n,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this}setFromEuler(e,t){if(!(e&&e.isEuler))throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");let n=e._x,i=e._y,s=e._z,a=e._order,o=Math.cos,l=Math.sin,c=o(n/2),u=o(i/2),h=o(s/2),d=l(n/2),f=l(i/2),p=l(s/2);switch(a){case"XYZ":this._x=d*u*h+c*f*p,this._y=c*f*h-d*u*p,this._z=c*u*p+d*f*h,this._w=c*u*h-d*f*p;break;case"YXZ":this._x=d*u*h+c*f*p,this._y=c*f*h-d*u*p,this._z=c*u*p-d*f*h,this._w=c*u*h+d*f*p;break;case"ZXY":this._x=d*u*h-c*f*p,this._y=c*f*h+d*u*p,this._z=c*u*p+d*f*h,this._w=c*u*h-d*f*p;break;case"ZYX":this._x=d*u*h-c*f*p,this._y=c*f*h+d*u*p,this._z=c*u*p-d*f*h,this._w=c*u*h+d*f*p;break;case"YZX":this._x=d*u*h+c*f*p,this._y=c*f*h+d*u*p,this._z=c*u*p-d*f*h,this._w=c*u*h-d*f*p;break;case"XZY":this._x=d*u*h-c*f*p,this._y=c*f*h-d*u*p,this._z=c*u*p+d*f*h,this._w=c*u*h+d*f*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return t!==!1&&this._onChangeCallback(),this}setFromAxisAngle(e,t){let n=t/2,i=Math.sin(n);return this._x=e.x*i,this._y=e.y*i,this._z=e.z*i,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(e){let t=e.elements,n=t[0],i=t[4],s=t[8],a=t[1],o=t[5],l=t[9],c=t[2],u=t[6],h=t[10],d=n+o+h;if(d>0){let f=.5/Math.sqrt(d+1);this._w=.25/f,this._x=(u-l)*f,this._y=(s-c)*f,this._z=(a-i)*f}else if(n>o&&n>h){let f=2*Math.sqrt(1+n-o-h);this._w=(u-l)/f,this._x=.25*f,this._y=(i+a)/f,this._z=(s+c)/f}else if(o>h){let f=2*Math.sqrt(1+o-n-h);this._w=(s-c)/f,this._x=(i+a)/f,this._y=.25*f,this._z=(l+u)/f}else{let f=2*Math.sqrt(1+h-n-o);this._w=(a-i)/f,this._x=(s+c)/f,this._y=(l+u)/f,this._z=.25*f}return this._onChangeCallback(),this}setFromUnitVectors(e,t){let n=e.dot(t)+1;return nMath.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=n):(this._x=0,this._y=-e.z,this._z=e.y,this._w=n)):(this._x=e.y*t.z-e.z*t.y,this._y=e.z*t.x-e.x*t.z,this._z=e.x*t.y-e.y*t.x,this._w=n),this.normalize()}angleTo(e){return 2*Math.acos(Math.abs(It(this.dot(e),-1,1)))}rotateTowards(e,t){let n=this.angleTo(e);if(n===0)return this;let i=Math.min(1,t/n);return this.slerp(e,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(e){return this._x*e._x+this._y*e._y+this._z*e._z+this._w*e._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let e=this.length();return e===0?(this._x=0,this._y=0,this._z=0,this._w=1):(e=1/e,this._x=this._x*e,this._y=this._y*e,this._z=this._z*e,this._w=this._w*e),this._onChangeCallback(),this}multiply(e,t){return t!==void 0?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),this.multiplyQuaternions(e,t)):this.multiplyQuaternions(this,e)}premultiply(e){return this.multiplyQuaternions(e,this)}multiplyQuaternions(e,t){let n=e._x,i=e._y,s=e._z,a=e._w,o=t._x,l=t._y,c=t._z,u=t._w;return this._x=n*u+a*o+i*c-s*l,this._y=i*u+a*l+s*o-n*c,this._z=s*u+a*c+n*l-i*o,this._w=a*u-n*o-i*l-s*c,this._onChangeCallback(),this}slerp(e,t){if(t===0)return this;if(t===1)return this.copy(e);let n=this._x,i=this._y,s=this._z,a=this._w,o=a*e._w+n*e._x+i*e._y+s*e._z;if(o<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,o=-o):this.copy(e),o>=1)return this._w=a,this._x=n,this._y=i,this._z=s,this;let l=1-o*o;if(l<=Number.EPSILON){let f=1-t;return this._w=f*a+t*this._w,this._x=f*n+t*this._x,this._y=f*i+t*this._y,this._z=f*s+t*this._z,this.normalize(),this._onChangeCallback(),this}let c=Math.sqrt(l),u=Math.atan2(c,o),h=Math.sin((1-t)*u)/c,d=Math.sin(t*u)/c;return this._w=a*h+this._w*d,this._x=n*h+this._x*d,this._y=i*h+this._y*d,this._z=s*h+this._z*d,this._onChangeCallback(),this}slerpQuaternions(e,t,n){this.copy(e).slerp(t,n)}random(){let e=Math.random(),t=Math.sqrt(1-e),n=Math.sqrt(e),i=2*Math.PI*Math.random(),s=2*Math.PI*Math.random();return this.set(t*Math.cos(i),n*Math.sin(s),n*Math.cos(s),t*Math.sin(i))}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._w===this._w}fromArray(e,t=0){return this._x=e[t],this._y=e[t+1],this._z=e[t+2],this._w=e[t+3],this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._w,e}fromBufferAttribute(e,t){return this._x=e.getX(t),this._y=e.getY(t),this._z=e.getZ(t),this._w=e.getW(t),this}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}};yt.prototype.isQuaternion=!0;var A=class{constructor(e=0,t=0,n=0){this.x=e,this.y=t,this.z=n}set(e,t,n){return n===void 0&&(n=this.z),this.x=e,this.y=t,this.z=n,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this}add(e,t){return t!==void 0?(console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this.z+=e.z,this)}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this}sub(e,t){return t!==void 0?(console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this.z-=e.z,this)}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this}multiply(e,t){return t!==void 0?(console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),this.multiplyVectors(e,t)):(this.x*=e.x,this.y*=e.y,this.z*=e.z,this)}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this}multiplyVectors(e,t){return this.x=e.x*t.x,this.y=e.y*t.y,this.z=e.z*t.z,this}applyEuler(e){return e&&e.isEuler||console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order."),this.applyQuaternion(pd.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(pd.setFromAxisAngle(e,t))}applyMatrix3(e){let t=this.x,n=this.y,i=this.z,s=e.elements;return this.x=s[0]*t+s[3]*n+s[6]*i,this.y=s[1]*t+s[4]*n+s[7]*i,this.z=s[2]*t+s[5]*n+s[8]*i,this}applyNormalMatrix(e){return this.applyMatrix3(e).normalize()}applyMatrix4(e){let t=this.x,n=this.y,i=this.z,s=e.elements,a=1/(s[3]*t+s[7]*n+s[11]*i+s[15]);return this.x=(s[0]*t+s[4]*n+s[8]*i+s[12])*a,this.y=(s[1]*t+s[5]*n+s[9]*i+s[13])*a,this.z=(s[2]*t+s[6]*n+s[10]*i+s[14])*a,this}applyQuaternion(e){let t=this.x,n=this.y,i=this.z,s=e.x,a=e.y,o=e.z,l=e.w,c=l*t+a*i-o*n,u=l*n+o*t-s*i,h=l*i+s*n-a*t,d=-s*t-a*n-o*i;return this.x=c*l+d*-s+u*-o-h*-a,this.y=u*l+d*-a+h*-s-c*-o,this.z=h*l+d*-o+c*-a-u*-s,this}project(e){return this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)}unproject(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)}transformDirection(e){let t=this.x,n=this.y,i=this.z,s=e.elements;return this.x=s[0]*t+s[4]*n+s[8]*i,this.y=s[1]*t+s[5]*n+s[9]*i,this.z=s[2]*t+s[6]*n+s[10]*i,this.normalize()}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this}divideScalar(e){return this.multiplyScalar(1/e)}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this}clampLength(e,t){let n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this}cross(e,t){return t!==void 0?(console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(e,t)):this.crossVectors(this,e)}crossVectors(e,t){let n=e.x,i=e.y,s=e.z,a=t.x,o=t.y,l=t.z;return this.x=i*l-s*o,this.y=s*a-n*l,this.z=n*o-i*a,this}projectOnVector(e){let t=e.lengthSq();if(t===0)return this.set(0,0,0);let n=e.dot(this)/t;return this.copy(e).multiplyScalar(n)}projectOnPlane(e){return Bl.copy(this).projectOnVector(e),this.sub(Bl)}reflect(e){return this.sub(Bl.copy(e).multiplyScalar(2*this.dot(e)))}angleTo(e){let t=Math.sqrt(this.lengthSq()*e.lengthSq());if(t===0)return Math.PI/2;let n=this.dot(e)/t;return Math.acos(It(n,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){let t=this.x-e.x,n=this.y-e.y,i=this.z-e.z;return t*t+n*n+i*i}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)+Math.abs(this.z-e.z)}setFromSpherical(e){return this.setFromSphericalCoords(e.radius,e.phi,e.theta)}setFromSphericalCoords(e,t,n){let i=Math.sin(t)*e;return this.x=i*Math.sin(n),this.y=Math.cos(t)*e,this.z=i*Math.cos(n),this}setFromCylindrical(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)}setFromCylindricalCoords(e,t,n){return this.x=e*Math.sin(t),this.y=n,this.z=e*Math.cos(t),this}setFromMatrixPosition(e){let t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this}setFromMatrixScale(e){let t=this.setFromMatrixColumn(e,0).length(),n=this.setFromMatrixColumn(e,1).length(),i=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=n,this.z=i,this}setFromMatrixColumn(e,t){return this.fromArray(e.elements,t*4)}setFromMatrix3Column(e,t){return this.fromArray(e.elements,t*3)}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e}fromBufferAttribute(e,t,n){return n!==void 0&&console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute()."),this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){let e=(Math.random()-.5)*2,t=Math.random()*Math.PI*2,n=Math.sqrt(1-Qn(e,2));return this.x=n*Math.cos(t),this.y=n*Math.sin(t),this.z=e,this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}};A.prototype.isVector3=!0;var Bl=new A,pd=new yt,Bt=class{constructor(e=new A(1/0,1/0,1/0),t=new A(-1/0,-1/0,-1/0)){this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromArray(e){let t=1/0,n=1/0,i=1/0,s=-1/0,a=-1/0,o=-1/0;for(let l=0,c=e.length;ls&&(s=u),h>a&&(a=h),d>o&&(o=d)}return this.min.set(t,n,i),this.max.set(s,a,o),this}setFromBufferAttribute(e){let t=1/0,n=1/0,i=1/0,s=-1/0,a=-1/0,o=-1/0;for(let l=0,c=e.count;ls&&(s=u),h>a&&(a=h),d>o&&(o=d)}return this.min.set(t,n,i),this.max.set(s,a,o),this}setFromPoints(e){this.makeEmpty();for(let t=0,n=e.length;tthis.max.x||e.ythis.max.y||e.zthis.max.z)}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y&&this.min.z<=e.min.z&&e.max.z<=this.max.z}getParameter(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y),(e.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(e){return!(e.max.xthis.max.x||e.max.ythis.max.y||e.max.zthis.max.z)}intersectsSphere(e){return this.clampPoint(e.center,Ps),Ps.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,n;return e.normal.x>0?(t=e.normal.x*this.min.x,n=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,n=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,n+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,n+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,n+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,n+=e.normal.z*this.min.z),t<=-e.constant&&n>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(Ls),Ca.subVectors(this.max,Ls),vr.subVectors(e.a,Ls),xr.subVectors(e.b,Ls),yr.subVectors(e.c,Ls),$n.subVectors(xr,vr),ei.subVectors(yr,xr),Hi.subVectors(vr,yr);let t=[0,-$n.z,$n.y,0,-ei.z,ei.y,0,-Hi.z,Hi.y,$n.z,0,-$n.x,ei.z,0,-ei.x,Hi.z,0,-Hi.x,-$n.y,$n.x,0,-ei.y,ei.x,0,-Hi.y,Hi.x,0];return!Fl(t,vr,xr,yr,Ca)||(t=[1,0,0,0,1,0,0,0,1],!Fl(t,vr,xr,yr,Ca))?!1:(Da.crossVectors($n,ei),t=[Da.x,Da.y,Da.z],Fl(t,vr,xr,yr,Ca))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return Ps.copy(e).clamp(this.min,this.max).sub(e).length()}getBoundingSphere(e){return this.getCenter(e.center),e.radius=this.getSize(Ps).length()*.5,e}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}applyMatrix4(e){return this.isEmpty()?this:(Bn[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),Bn[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),Bn[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),Bn[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),Bn[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),Bn[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),Bn[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),Bn[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(Bn),this)}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}};Bt.prototype.isBox3=!0;var Bn=[new A,new A,new A,new A,new A,new A,new A,new A],Ps=new A,Ul=new Bt,vr=new A,xr=new A,yr=new A,$n=new A,ei=new A,Hi=new A,Ls=new A,Ca=new A,Da=new A,zi=new A;function Fl(r,e,t,n,i){for(let s=0,a=r.length-3;s<=a;s+=3){zi.fromArray(r,s);let o=i.x*Math.abs(zi.x)+i.y*Math.abs(zi.y)+i.z*Math.abs(zi.z),l=e.dot(zi),c=t.dot(zi),u=n.dot(zi);if(Math.max(-Math.max(l,c,u),Math.min(l,c,u))>o)return!1}return!0}var gg=new Bt,md=new A,Ol=new A,Nl=new A,Un=class{constructor(e=new A,t=-1){this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){let n=this.center;t!==void 0?n.copy(t):gg.setFromPoints(e).getCenter(n);let i=0;for(let s=0,a=e.length;sthis.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t}getBoundingBox(e){return this.isEmpty()?(e.makeEmpty(),e):(e.set(this.center,this.center),e.expandByScalar(this.radius),e)}applyMatrix4(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this}translate(e){return this.center.add(e),this}expandByPoint(e){Nl.subVectors(e,this.center);let t=Nl.lengthSq();if(t>this.radius*this.radius){let n=Math.sqrt(t),i=(n-this.radius)*.5;this.center.add(Nl.multiplyScalar(i/n)),this.radius+=i}return this}union(e){return Ol.subVectors(e.center,this.center).normalize().multiplyScalar(e.radius),this.expandByPoint(md.copy(e.center).add(Ol)),this.expandByPoint(md.copy(e.center).sub(Ol)),this}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return new this.constructor().copy(this)}},Fn=new A,Hl=new A,Ra=new A,ti=new A,zl=new A,Pa=new A,Gl=new A,On=class{constructor(e=new A,t=new A(0,0,-1)){this.origin=e,this.direction=t}set(e,t){return this.origin.copy(e),this.direction.copy(t),this}copy(e){return this.origin.copy(e.origin),this.direction.copy(e.direction),this}at(e,t){return t.copy(this.direction).multiplyScalar(e).add(this.origin)}lookAt(e){return this.direction.copy(e).sub(this.origin).normalize(),this}recast(e){return this.origin.copy(this.at(e,Fn)),this}closestPointToPoint(e,t){t.subVectors(e,this.origin);let n=t.dot(this.direction);return n<0?t.copy(this.origin):t.copy(this.direction).multiplyScalar(n).add(this.origin)}distanceToPoint(e){return Math.sqrt(this.distanceSqToPoint(e))}distanceSqToPoint(e){let t=Fn.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(Fn.copy(this.direction).multiplyScalar(t).add(this.origin),Fn.distanceToSquared(e))}distanceSqToSegment(e,t,n,i){Hl.copy(e).add(t).multiplyScalar(.5),Ra.copy(t).sub(e).normalize(),ti.copy(this.origin).sub(Hl);let s=e.distanceTo(t)*.5,a=-this.direction.dot(Ra),o=ti.dot(this.direction),l=-ti.dot(Ra),c=ti.lengthSq(),u=Math.abs(1-a*a),h,d,f,p;if(u>0)if(h=a*l-o,d=a*o-l,p=s*u,h>=0)if(d>=-p)if(d<=p){let v=1/u;h*=v,d*=v,f=h*(h+a*d+2*o)+d*(a*h+d+2*l)+c}else d=s,h=Math.max(0,-(a*d+o)),f=-h*h+d*(d+2*l)+c;else d=-s,h=Math.max(0,-(a*d+o)),f=-h*h+d*(d+2*l)+c;else d<=-p?(h=Math.max(0,-(-a*s+o)),d=h>0?-s:Math.min(Math.max(-s,-l),s),f=-h*h+d*(d+2*l)+c):d<=p?(h=0,d=Math.min(Math.max(-s,-l),s),f=d*(d+2*l)+c):(h=Math.max(0,-(a*s+o)),d=h>0?s:Math.min(Math.max(-s,-l),s),f=-h*h+d*(d+2*l)+c);else d=a>0?-s:s,h=Math.max(0,-(a*d+o)),f=-h*h+d*(d+2*l)+c;return n&&n.copy(this.direction).multiplyScalar(h).add(this.origin),i&&i.copy(Ra).multiplyScalar(d).add(Hl),f}intersectSphere(e,t){Fn.subVectors(e.center,this.origin);let n=Fn.dot(this.direction),i=Fn.dot(Fn)-n*n,s=e.radius*e.radius;if(i>s)return null;let a=Math.sqrt(s-i),o=n-a,l=n+a;return o<0&&l<0?null:o<0?this.at(l,t):this.at(o,t)}intersectsSphere(e){return this.distanceSqToPoint(e.center)<=e.radius*e.radius}distanceToPlane(e){let t=e.normal.dot(this.direction);if(t===0)return e.distanceToPoint(this.origin)===0?0:null;let n=-(this.origin.dot(e.normal)+e.constant)/t;return n>=0?n:null}intersectPlane(e,t){let n=this.distanceToPlane(e);return n===null?null:this.at(n,t)}intersectsPlane(e){let t=e.distanceToPoint(this.origin);return t===0||e.normal.dot(this.direction)*t<0}intersectBox(e,t){let n,i,s,a,o,l,c=1/this.direction.x,u=1/this.direction.y,h=1/this.direction.z,d=this.origin;return c>=0?(n=(e.min.x-d.x)*c,i=(e.max.x-d.x)*c):(n=(e.max.x-d.x)*c,i=(e.min.x-d.x)*c),u>=0?(s=(e.min.y-d.y)*u,a=(e.max.y-d.y)*u):(s=(e.max.y-d.y)*u,a=(e.min.y-d.y)*u),n>a||s>i||((s>n||n!==n)&&(n=s),(a=0?(o=(e.min.z-d.z)*h,l=(e.max.z-d.z)*h):(o=(e.max.z-d.z)*h,l=(e.min.z-d.z)*h),n>l||o>i)||((o>n||n!==n)&&(n=o),(l=0?n:i,t)}intersectsBox(e){return this.intersectBox(e,Fn)!==null}intersectTriangle(e,t,n,i,s){zl.subVectors(t,e),Pa.subVectors(n,e),Gl.crossVectors(zl,Pa);let a=this.direction.dot(Gl),o;if(a>0){if(i)return null;o=1}else if(a<0)o=-1,a=-a;else return null;ti.subVectors(this.origin,e);let l=o*this.direction.dot(Pa.crossVectors(ti,Pa));if(l<0)return null;let c=o*this.direction.dot(zl.cross(ti));if(c<0||l+c>a)return null;let u=-o*ti.dot(Gl);return u<0?null:this.at(u/a,s)}applyMatrix4(e){return this.origin.applyMatrix4(e),this.direction.transformDirection(e),this}equals(e){return e.origin.equals(this.origin)&&e.direction.equals(this.direction)}clone(){return new this.constructor().copy(this)}},ge=class{constructor(){this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],arguments.length>0&&console.error("THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.")}set(e,t,n,i,s,a,o,l,c,u,h,d,f,p,v,x){let g=this.elements;return g[0]=e,g[4]=t,g[8]=n,g[12]=i,g[1]=s,g[5]=a,g[9]=o,g[13]=l,g[2]=c,g[6]=u,g[10]=h,g[14]=d,g[3]=f,g[7]=p,g[11]=v,g[15]=x,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return new ge().fromArray(this.elements)}copy(e){let t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],t[9]=n[9],t[10]=n[10],t[11]=n[11],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15],this}copyPosition(e){let t=this.elements,n=e.elements;return t[12]=n[12],t[13]=n[13],t[14]=n[14],this}setFromMatrix3(e){let t=e.elements;return this.set(t[0],t[3],t[6],0,t[1],t[4],t[7],0,t[2],t[5],t[8],0,0,0,0,1),this}extractBasis(e,t,n){return e.setFromMatrixColumn(this,0),t.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}makeBasis(e,t,n){return this.set(e.x,t.x,n.x,0,e.y,t.y,n.y,0,e.z,t.z,n.z,0,0,0,0,1),this}extractRotation(e){let t=this.elements,n=e.elements,i=1/wr.setFromMatrixColumn(e,0).length(),s=1/wr.setFromMatrixColumn(e,1).length(),a=1/wr.setFromMatrixColumn(e,2).length();return t[0]=n[0]*i,t[1]=n[1]*i,t[2]=n[2]*i,t[3]=0,t[4]=n[4]*s,t[5]=n[5]*s,t[6]=n[6]*s,t[7]=0,t[8]=n[8]*a,t[9]=n[9]*a,t[10]=n[10]*a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromEuler(e){e&&e.isEuler||console.error("THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");let t=this.elements,n=e.x,i=e.y,s=e.z,a=Math.cos(n),o=Math.sin(n),l=Math.cos(i),c=Math.sin(i),u=Math.cos(s),h=Math.sin(s);if(e.order==="XYZ"){let d=a*u,f=a*h,p=o*u,v=o*h;t[0]=l*u,t[4]=-l*h,t[8]=c,t[1]=f+p*c,t[5]=d-v*c,t[9]=-o*l,t[2]=v-d*c,t[6]=p+f*c,t[10]=a*l}else if(e.order==="YXZ"){let d=l*u,f=l*h,p=c*u,v=c*h;t[0]=d+v*o,t[4]=p*o-f,t[8]=a*c,t[1]=a*h,t[5]=a*u,t[9]=-o,t[2]=f*o-p,t[6]=v+d*o,t[10]=a*l}else if(e.order==="ZXY"){let d=l*u,f=l*h,p=c*u,v=c*h;t[0]=d-v*o,t[4]=-a*h,t[8]=p+f*o,t[1]=f+p*o,t[5]=a*u,t[9]=v-d*o,t[2]=-a*c,t[6]=o,t[10]=a*l}else if(e.order==="ZYX"){let d=a*u,f=a*h,p=o*u,v=o*h;t[0]=l*u,t[4]=p*c-f,t[8]=d*c+v,t[1]=l*h,t[5]=v*c+d,t[9]=f*c-p,t[2]=-c,t[6]=o*l,t[10]=a*l}else if(e.order==="YZX"){let d=a*l,f=a*c,p=o*l,v=o*c;t[0]=l*u,t[4]=v-d*h,t[8]=p*h+f,t[1]=h,t[5]=a*u,t[9]=-o*u,t[2]=-c*u,t[6]=f*h+p,t[10]=d-v*h}else if(e.order==="XZY"){let d=a*l,f=a*c,p=o*l,v=o*c;t[0]=l*u,t[4]=-h,t[8]=c*u,t[1]=d*h+v,t[5]=a*u,t[9]=f*h-p,t[2]=p*h-f,t[6]=o*u,t[10]=v*h+d}return t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromQuaternion(e){return this.compose(vg,e,xg)}lookAt(e,t,n){let i=this.elements;return Yt.subVectors(e,t),Yt.lengthSq()===0&&(Yt.z=1),Yt.normalize(),ni.crossVectors(n,Yt),ni.lengthSq()===0&&(Math.abs(n.z)===1?Yt.x+=1e-4:Yt.z+=1e-4,Yt.normalize(),ni.crossVectors(n,Yt)),ni.normalize(),La.crossVectors(Yt,ni),i[0]=ni.x,i[4]=La.x,i[8]=Yt.x,i[1]=ni.y,i[5]=La.y,i[9]=Yt.y,i[2]=ni.z,i[6]=La.z,i[10]=Yt.z,this}multiply(e,t){return t!==void 0?(console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),this.multiplyMatrices(e,t)):this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){let n=e.elements,i=t.elements,s=this.elements,a=n[0],o=n[4],l=n[8],c=n[12],u=n[1],h=n[5],d=n[9],f=n[13],p=n[2],v=n[6],x=n[10],g=n[14],m=n[3],b=n[7],y=n[11],E=n[15],_=i[0],w=i[4],D=i[8],I=i[12],L=i[1],R=i[5],Z=i[9],F=i[13],U=i[2],z=i[6],N=i[10],G=i[14],ne=i[3],fe=i[7],Y=i[11],j=i[15];return s[0]=a*_+o*L+l*U+c*ne,s[4]=a*w+o*R+l*z+c*fe,s[8]=a*D+o*Z+l*N+c*Y,s[12]=a*I+o*F+l*G+c*j,s[1]=u*_+h*L+d*U+f*ne,s[5]=u*w+h*R+d*z+f*fe,s[9]=u*D+h*Z+d*N+f*Y,s[13]=u*I+h*F+d*G+f*j,s[2]=p*_+v*L+x*U+g*ne,s[6]=p*w+v*R+x*z+g*fe,s[10]=p*D+v*Z+x*N+g*Y,s[14]=p*I+v*F+x*G+g*j,s[3]=m*_+b*L+y*U+E*ne,s[7]=m*w+b*R+y*z+E*fe,s[11]=m*D+b*Z+y*N+E*Y,s[15]=m*I+b*F+y*G+E*j,this}multiplyScalar(e){let t=this.elements;return t[0]*=e,t[4]*=e,t[8]*=e,t[12]*=e,t[1]*=e,t[5]*=e,t[9]*=e,t[13]*=e,t[2]*=e,t[6]*=e,t[10]*=e,t[14]*=e,t[3]*=e,t[7]*=e,t[11]*=e,t[15]*=e,this}determinant(){let e=this.elements,t=e[0],n=e[4],i=e[8],s=e[12],a=e[1],o=e[5],l=e[9],c=e[13],u=e[2],h=e[6],d=e[10],f=e[14],p=e[3],v=e[7],x=e[11],g=e[15];return p*(+s*l*h-i*c*h-s*o*d+n*c*d+i*o*f-n*l*f)+v*(+t*l*f-t*c*d+s*a*d-i*a*f+i*c*u-s*l*u)+x*(+t*c*h-t*o*f-s*a*h+n*a*f+s*o*u-n*c*u)+g*(-i*o*u-t*l*h+t*o*d+i*a*h-n*a*d+n*l*u)}transpose(){let e=this.elements,t;return t=e[1],e[1]=e[4],e[4]=t,t=e[2],e[2]=e[8],e[8]=t,t=e[6],e[6]=e[9],e[9]=t,t=e[3],e[3]=e[12],e[12]=t,t=e[7],e[7]=e[13],e[13]=t,t=e[11],e[11]=e[14],e[14]=t,this}setPosition(e,t,n){let i=this.elements;return e.isVector3?(i[12]=e.x,i[13]=e.y,i[14]=e.z):(i[12]=e,i[13]=t,i[14]=n),this}invert(){let e=this.elements,t=e[0],n=e[1],i=e[2],s=e[3],a=e[4],o=e[5],l=e[6],c=e[7],u=e[8],h=e[9],d=e[10],f=e[11],p=e[12],v=e[13],x=e[14],g=e[15],m=h*x*c-v*d*c+v*l*f-o*x*f-h*l*g+o*d*g,b=p*d*c-u*x*c-p*l*f+a*x*f+u*l*g-a*d*g,y=u*v*c-p*h*c+p*o*f-a*v*f-u*o*g+a*h*g,E=p*h*l-u*v*l-p*o*d+a*v*d+u*o*x-a*h*x,_=t*m+n*b+i*y+s*E;if(_===0)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);let w=1/_;return e[0]=m*w,e[1]=(v*d*s-h*x*s-v*i*f+n*x*f+h*i*g-n*d*g)*w,e[2]=(o*x*s-v*l*s+v*i*c-n*x*c-o*i*g+n*l*g)*w,e[3]=(h*l*s-o*d*s-h*i*c+n*d*c+o*i*f-n*l*f)*w,e[4]=b*w,e[5]=(u*x*s-p*d*s+p*i*f-t*x*f-u*i*g+t*d*g)*w,e[6]=(p*l*s-a*x*s-p*i*c+t*x*c+a*i*g-t*l*g)*w,e[7]=(a*d*s-u*l*s+u*i*c-t*d*c-a*i*f+t*l*f)*w,e[8]=y*w,e[9]=(p*h*s-u*v*s-p*n*f+t*v*f+u*n*g-t*h*g)*w,e[10]=(a*v*s-p*o*s+p*n*c-t*v*c-a*n*g+t*o*g)*w,e[11]=(u*o*s-a*h*s-u*n*c+t*h*c+a*n*f-t*o*f)*w,e[12]=E*w,e[13]=(u*v*i-p*h*i+p*n*d-t*v*d-u*n*x+t*h*x)*w,e[14]=(p*o*i-a*v*i-p*n*l+t*v*l+a*n*x-t*o*x)*w,e[15]=(a*h*i-u*o*i+u*n*l-t*h*l-a*n*d+t*o*d)*w,this}scale(e){let t=this.elements,n=e.x,i=e.y,s=e.z;return t[0]*=n,t[4]*=i,t[8]*=s,t[1]*=n,t[5]*=i,t[9]*=s,t[2]*=n,t[6]*=i,t[10]*=s,t[3]*=n,t[7]*=i,t[11]*=s,this}getMaxScaleOnAxis(){let e=this.elements,t=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],n=e[4]*e[4]+e[5]*e[5]+e[6]*e[6],i=e[8]*e[8]+e[9]*e[9]+e[10]*e[10];return Math.sqrt(Math.max(t,n,i))}makeTranslation(e,t,n){return this.set(1,0,0,e,0,1,0,t,0,0,1,n,0,0,0,1),this}makeRotationX(e){let t=Math.cos(e),n=Math.sin(e);return this.set(1,0,0,0,0,t,-n,0,0,n,t,0,0,0,0,1),this}makeRotationY(e){let t=Math.cos(e),n=Math.sin(e);return this.set(t,0,n,0,0,1,0,0,-n,0,t,0,0,0,0,1),this}makeRotationZ(e){let t=Math.cos(e),n=Math.sin(e);return this.set(t,-n,0,0,n,t,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(e,t){let n=Math.cos(t),i=Math.sin(t),s=1-n,a=e.x,o=e.y,l=e.z,c=s*a,u=s*o;return this.set(c*a+n,c*o-i*l,c*l+i*o,0,c*o+i*l,u*o+n,u*l-i*a,0,c*l-i*o,u*l+i*a,s*l*l+n,0,0,0,0,1),this}makeScale(e,t,n){return this.set(e,0,0,0,0,t,0,0,0,0,n,0,0,0,0,1),this}makeShear(e,t,n,i,s,a){return this.set(1,n,s,0,e,1,a,0,t,i,1,0,0,0,0,1),this}compose(e,t,n){let i=this.elements,s=t._x,a=t._y,o=t._z,l=t._w,c=s+s,u=a+a,h=o+o,d=s*c,f=s*u,p=s*h,v=a*u,x=a*h,g=o*h,m=l*c,b=l*u,y=l*h,E=n.x,_=n.y,w=n.z;return i[0]=(1-(v+g))*E,i[1]=(f+y)*E,i[2]=(p-b)*E,i[3]=0,i[4]=(f-y)*_,i[5]=(1-(d+g))*_,i[6]=(x+m)*_,i[7]=0,i[8]=(p+b)*w,i[9]=(x-m)*w,i[10]=(1-(d+v))*w,i[11]=0,i[12]=e.x,i[13]=e.y,i[14]=e.z,i[15]=1,this}decompose(e,t,n){let i=this.elements,s=wr.set(i[0],i[1],i[2]).length(),a=wr.set(i[4],i[5],i[6]).length(),o=wr.set(i[8],i[9],i[10]).length();this.determinant()<0&&(s=-s),e.x=i[12],e.y=i[13],e.z=i[14],un.copy(this);let c=1/s,u=1/a,h=1/o;return un.elements[0]*=c,un.elements[1]*=c,un.elements[2]*=c,un.elements[4]*=u,un.elements[5]*=u,un.elements[6]*=u,un.elements[8]*=h,un.elements[9]*=h,un.elements[10]*=h,t.setFromRotationMatrix(un),n.x=s,n.y=a,n.z=o,this}makePerspective(e,t,n,i,s,a){a===void 0&&console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");let o=this.elements,l=2*s/(t-e),c=2*s/(n-i),u=(t+e)/(t-e),h=(n+i)/(n-i),d=-(a+s)/(a-s),f=-2*a*s/(a-s);return o[0]=l,o[4]=0,o[8]=u,o[12]=0,o[1]=0,o[5]=c,o[9]=h,o[13]=0,o[2]=0,o[6]=0,o[10]=d,o[14]=f,o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this}makeOrthographic(e,t,n,i,s,a){let o=this.elements,l=1/(t-e),c=1/(n-i),u=1/(a-s),h=(t+e)*l,d=(n+i)*c,f=(a+s)*u;return o[0]=2*l,o[4]=0,o[8]=0,o[12]=-h,o[1]=0,o[5]=2*c,o[9]=0,o[13]=-d,o[2]=0,o[6]=0,o[10]=-2*u,o[14]=-f,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this}equals(e){let t=this.elements,n=e.elements;for(let i=0;i<16;i++)if(t[i]!==n[i])return!1;return!0}fromArray(e,t=0){for(let n=0;n<16;n++)this.elements[n]=e[n+t];return this}toArray(e=[],t=0){let n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e[t+9]=n[9],e[t+10]=n[10],e[t+11]=n[11],e[t+12]=n[12],e[t+13]=n[13],e[t+14]=n[14],e[t+15]=n[15],e}};ge.prototype.isMatrix4=!0;var wr=new A,un=new ge,vg=new A(0,0,0),xg=new A(1,1,1),ni=new A,La=new A,Yt=new A,gd=new ge,vd=new yt,ii=class{constructor(e=0,t=0,n=0,i=ii.DefaultOrder){this._x=e,this._y=t,this._z=n,this._order=i}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get order(){return this._order}set order(e){this._order=e,this._onChangeCallback()}set(e,t,n,i=this._order){return this._x=e,this._y=t,this._z=n,this._order=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(e){return this._x=e._x,this._y=e._y,this._z=e._z,this._order=e._order,this._onChangeCallback(),this}setFromRotationMatrix(e,t=this._order,n=!0){let i=e.elements,s=i[0],a=i[4],o=i[8],l=i[1],c=i[5],u=i[9],h=i[2],d=i[6],f=i[10];switch(t){case"XYZ":this._y=Math.asin(It(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-u,f),this._z=Math.atan2(-a,s)):(this._x=Math.atan2(d,c),this._z=0);break;case"YXZ":this._x=Math.asin(-It(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(o,f),this._z=Math.atan2(l,c)):(this._y=Math.atan2(-h,s),this._z=0);break;case"ZXY":this._x=Math.asin(It(d,-1,1)),Math.abs(d)<.9999999?(this._y=Math.atan2(-h,f),this._z=Math.atan2(-a,c)):(this._y=0,this._z=Math.atan2(l,s));break;case"ZYX":this._y=Math.asin(-It(h,-1,1)),Math.abs(h)<.9999999?(this._x=Math.atan2(d,f),this._z=Math.atan2(l,s)):(this._x=0,this._z=Math.atan2(-a,c));break;case"YZX":this._z=Math.asin(It(l,-1,1)),Math.abs(l)<.9999999?(this._x=Math.atan2(-u,c),this._y=Math.atan2(-h,s)):(this._x=0,this._y=Math.atan2(o,f));break;case"XZY":this._z=Math.asin(-It(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(d,c),this._y=Math.atan2(o,s)):(this._x=Math.atan2(-u,f),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+t)}return this._order=t,n===!0&&this._onChangeCallback(),this}setFromQuaternion(e,t,n){return gd.makeRotationFromQuaternion(e),this.setFromRotationMatrix(gd,t,n)}setFromVector3(e,t=this._order){return this.set(e.x,e.y,e.z,t)}reorder(e){return vd.setFromEuler(this),this.setFromQuaternion(vd,e)}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._order===this._order}fromArray(e){return this._x=e[0],this._y=e[1],this._z=e[2],e[3]!==void 0&&(this._order=e[3]),this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._order,e}toVector3(e){return e?e.set(this._x,this._y,this._z):new A(this._x,this._y,this._z)}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}};ii.prototype.isEuler=!0;ii.DefaultOrder="XYZ";ii.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"];var Ia=class{constructor(){this.mask=1|0}set(e){this.mask=(1<>>0}enable(e){this.mask|=1<1){for(let t=0;t1){for(let n=0;n0){i.children=[];for(let o=0;o0){i.animations=[];for(let o=0;o0&&(n.geometries=o),l.length>0&&(n.materials=l),c.length>0&&(n.textures=c),u.length>0&&(n.images=u),h.length>0&&(n.shapes=h),d.length>0&&(n.skeletons=d),f.length>0&&(n.animations=f)}return n.object=i,n;function a(o){let l=[];for(let c in o){let u=o[c];delete u.metadata,l.push(u)}return l}}clone(e){return new this.constructor().copy(this,e)}copy(e,t=!0){if(this.name=e.name,this.up.copy(e.up),this.position.copy(e.position),this.rotation.order=e.rotation.order,this.quaternion.copy(e.quaternion),this.scale.copy(e.scale),this.matrix.copy(e.matrix),this.matrixWorld.copy(e.matrixWorld),this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrixWorldNeedsUpdate=e.matrixWorldNeedsUpdate,this.layers.mask=e.layers.mask,this.visible=e.visible,this.castShadow=e.castShadow,this.receiveShadow=e.receiveShadow,this.frustumCulled=e.frustumCulled,this.renderOrder=e.renderOrder,this.userData=JSON.parse(JSON.stringify(e.userData)),t===!0)for(let n=0;n0?i.multiplyScalar(1/Math.sqrt(s)):i.set(0,0,0)}static getBarycoord(e,t,n,i,s){hn.subVectors(i,t),Hn.subVectors(n,t),kl.subVectors(e,t);let a=hn.dot(hn),o=hn.dot(Hn),l=hn.dot(kl),c=Hn.dot(Hn),u=Hn.dot(kl),h=a*c-o*o;if(h===0)return s.set(-2,-1,-1);let d=1/h,f=(c*l-o*u)*d,p=(a*u-o*l)*d;return s.set(1-f-p,p,f)}static containsPoint(e,t,n,i){return this.getBarycoord(e,t,n,i,zn),zn.x>=0&&zn.y>=0&&zn.x+zn.y<=1}static getUV(e,t,n,i,s,a,o,l){return this.getBarycoord(e,t,n,i,zn),l.set(0,0),l.addScaledVector(s,zn.x),l.addScaledVector(a,zn.y),l.addScaledVector(o,zn.z),l}static isFrontFacing(e,t,n,i){return hn.subVectors(n,t),Hn.subVectors(e,t),hn.cross(Hn).dot(i)<0}set(e,t,n){return this.a.copy(e),this.b.copy(t),this.c.copy(n),this}setFromPointsAndIndices(e,t,n,i){return this.a.copy(e[t]),this.b.copy(e[n]),this.c.copy(e[i]),this}setFromAttributeAndIndices(e,t,n,i){return this.a.fromBufferAttribute(e,t),this.b.fromBufferAttribute(e,n),this.c.fromBufferAttribute(e,i),this}clone(){return new this.constructor().copy(this)}copy(e){return this.a.copy(e.a),this.b.copy(e.b),this.c.copy(e.c),this}getArea(){return hn.subVectors(this.c,this.b),Hn.subVectors(this.a,this.b),hn.cross(Hn).length()*.5}getMidpoint(e){return e.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(e){return pt.getNormal(this.a,this.b,this.c,e)}getPlane(e){return e.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(e,t){return pt.getBarycoord(e,this.a,this.b,this.c,t)}getUV(e,t,n,i,s){return pt.getUV(e,this.a,this.b,this.c,t,n,i,s)}containsPoint(e){return pt.containsPoint(e,this.a,this.b,this.c)}isFrontFacing(e){return pt.isFrontFacing(this.a,this.b,this.c,e)}intersectsBox(e){return e.intersectsTriangle(this)}closestPointToPoint(e,t){let n=this.a,i=this.b,s=this.c,a,o;Ar.subVectors(i,n),Er.subVectors(s,n),Vl.subVectors(e,n);let l=Ar.dot(Vl),c=Er.dot(Vl);if(l<=0&&c<=0)return t.copy(n);Wl.subVectors(e,i);let u=Ar.dot(Wl),h=Er.dot(Wl);if(u>=0&&h<=u)return t.copy(i);let d=l*h-u*c;if(d<=0&&l>=0&&u<=0)return a=l/(l-u),t.copy(n).addScaledVector(Ar,a);Yl.subVectors(e,s);let f=Ar.dot(Yl),p=Er.dot(Yl);if(p>=0&&f<=p)return t.copy(s);let v=f*c-l*p;if(v<=0&&c>=0&&p<=0)return o=c/(c-p),t.copy(n).addScaledVector(Er,o);let x=u*p-f*h;if(x<=0&&h-u>=0&&f-p>=0)return Ed.subVectors(s,i),o=(h-u)/(h-u+(f-p)),t.copy(i).addScaledVector(Ed,o);let g=1/(x+v+d);return a=v*g,o=d*g,t.copy(n).addScaledVector(Ar,a).addScaledVector(Er,o)}equals(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}},Eg=0,tt=class extends Pt{constructor(){super();Object.defineProperty(this,"id",{value:Eg++}),this.uuid=Wt(),this.name="",this.type="Material",this.fog=!0,this.blending=hr,this.side=Rn,this.vertexColors=!1,this.opacity=1,this.format=Tt,this.transparent=!1,this.blendSrc=dl,this.blendDst=fl,this.blendEquation=Ci,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.depthFunc=va,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=cd,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=Sa,this.stencilZFail=Sa,this.stencilZPass=Sa,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0,this._alphaTest=0}get alphaTest(){return this._alphaTest}set alphaTest(e){this._alphaTest>0!=e>0&&this.version++,this._alphaTest=e}onBuild(){}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(e){if(e!==void 0)for(let t in e){let n=e[t];if(n===void 0){console.warn("THREE.Material: '"+t+"' parameter is undefined.");continue}if(t==="shading"){console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=n===ol;continue}let i=this[t];if(i===void 0){console.warn("THREE."+this.type+": '"+t+"' is not a property of this material.");continue}i&&i.isColor?i.set(n):i&&i.isVector3&&n&&n.isVector3?i.copy(n):this[t]=n}}toJSON(e){let t=e===void 0||typeof e=="string";t&&(e={textures:{},images:{}});let n={metadata:{version:4.5,type:"Material",generator:"Material.toJSON"}};n.uuid=this.uuid,n.type=this.type,this.name!==""&&(n.name=this.name),this.color&&this.color.isColor&&(n.color=this.color.getHex()),this.roughness!==void 0&&(n.roughness=this.roughness),this.metalness!==void 0&&(n.metalness=this.metalness),this.sheen!==void 0&&(n.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(n.sheenColor=this.sheenColor.getHex()),this.sheenRoughness!==void 0&&(n.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(n.emissive=this.emissive.getHex()),this.emissiveIntensity&&this.emissiveIntensity!==1&&(n.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(n.specular=this.specular.getHex()),this.specularIntensity!==void 0&&(n.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(n.specularColor=this.specularColor.getHex()),this.shininess!==void 0&&(n.shininess=this.shininess),this.clearcoat!==void 0&&(n.clearcoat=this.clearcoat),this.clearcoatRoughness!==void 0&&(n.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(n.clearcoatMap=this.clearcoatMap.toJSON(e).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(e).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(e).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(e).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(e).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(e).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(e).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(e).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(e).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(e).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(e).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(e).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(e).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(e).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(e).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(n.specularIntensityMap=this.specularIntensityMap.toJSON(e).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(n.specularColorMap=this.specularColorMap.toJSON(e).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(e).uuid,this.combine!==void 0&&(n.combine=this.combine)),this.envMapIntensity!==void 0&&(n.envMapIntensity=this.envMapIntensity),this.reflectivity!==void 0&&(n.reflectivity=this.reflectivity),this.refractionRatio!==void 0&&(n.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(e).uuid),this.transmission!==void 0&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(e).uuid),this.thickness!==void 0&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(e).uuid),this.attenuationDistance!==void 0&&(n.attenuationDistance=this.attenuationDistance),this.attenuationColor!==void 0&&(n.attenuationColor=this.attenuationColor.getHex()),this.size!==void 0&&(n.size=this.size),this.shadowSide!==null&&(n.shadowSide=this.shadowSide),this.sizeAttenuation!==void 0&&(n.sizeAttenuation=this.sizeAttenuation),this.blending!==hr&&(n.blending=this.blending),this.side!==Rn&&(n.side=this.side),this.vertexColors&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),this.format!==Tt&&(n.format=this.format),this.transparent===!0&&(n.transparent=this.transparent),n.depthFunc=this.depthFunc,n.depthTest=this.depthTest,n.depthWrite=this.depthWrite,n.colorWrite=this.colorWrite,n.stencilWrite=this.stencilWrite,n.stencilWriteMask=this.stencilWriteMask,n.stencilFunc=this.stencilFunc,n.stencilRef=this.stencilRef,n.stencilFuncMask=this.stencilFuncMask,n.stencilFail=this.stencilFail,n.stencilZFail=this.stencilZFail,n.stencilZPass=this.stencilZPass,this.rotation&&this.rotation!==0&&(n.rotation=this.rotation),this.polygonOffset===!0&&(n.polygonOffset=!0),this.polygonOffsetFactor!==0&&(n.polygonOffsetFactor=this.polygonOffsetFactor),this.polygonOffsetUnits!==0&&(n.polygonOffsetUnits=this.polygonOffsetUnits),this.linewidth&&this.linewidth!==1&&(n.linewidth=this.linewidth),this.dashSize!==void 0&&(n.dashSize=this.dashSize),this.gapSize!==void 0&&(n.gapSize=this.gapSize),this.scale!==void 0&&(n.scale=this.scale),this.dithering===!0&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),this.alphaToCoverage===!0&&(n.alphaToCoverage=this.alphaToCoverage),this.premultipliedAlpha===!0&&(n.premultipliedAlpha=this.premultipliedAlpha),this.wireframe===!0&&(n.wireframe=this.wireframe),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),this.wireframeLinecap!=="round"&&(n.wireframeLinecap=this.wireframeLinecap),this.wireframeLinejoin!=="round"&&(n.wireframeLinejoin=this.wireframeLinejoin),this.flatShading===!0&&(n.flatShading=this.flatShading),this.visible===!1&&(n.visible=!1),this.toneMapped===!1&&(n.toneMapped=!1),JSON.stringify(this.userData)!=="{}"&&(n.userData=this.userData);function i(s){let a=[];for(let o in s){let l=s[o];delete l.metadata,a.push(l)}return a}if(t){let s=i(e.textures),a=i(e.images);s.length>0&&(n.textures=s),a.length>0&&(n.images=a)}return n}clone(){return new this.constructor().copy(this)}copy(e){this.name=e.name,this.fog=e.fog,this.blending=e.blending,this.side=e.side,this.vertexColors=e.vertexColors,this.opacity=e.opacity,this.format=e.format,this.transparent=e.transparent,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.depthFunc=e.depthFunc,this.depthTest=e.depthTest,this.depthWrite=e.depthWrite,this.stencilWriteMask=e.stencilWriteMask,this.stencilFunc=e.stencilFunc,this.stencilRef=e.stencilRef,this.stencilFuncMask=e.stencilFuncMask,this.stencilFail=e.stencilFail,this.stencilZFail=e.stencilZFail,this.stencilZPass=e.stencilZPass,this.stencilWrite=e.stencilWrite;let t=e.clippingPlanes,n=null;if(t!==null){let i=t.length;n=new Array(i);for(let s=0;s!==i;++s)n[s]=t[s].clone()}return this.clippingPlanes=n,this.clipIntersection=e.clipIntersection,this.clipShadows=e.clipShadows,this.shadowSide=e.shadowSide,this.colorWrite=e.colorWrite,this.precision=e.precision,this.polygonOffset=e.polygonOffset,this.polygonOffsetFactor=e.polygonOffsetFactor,this.polygonOffsetUnits=e.polygonOffsetUnits,this.dithering=e.dithering,this.alphaTest=e.alphaTest,this.alphaToCoverage=e.alphaToCoverage,this.premultipliedAlpha=e.premultipliedAlpha,this.visible=e.visible,this.toneMapped=e.toneMapped,this.userData=JSON.parse(JSON.stringify(e.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(e){e===!0&&this.version++}};tt.prototype.isMaterial=!0;var Md={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},dn={h:0,s:0,l:0},Ua={h:0,s:0,l:0};function jl(r,e,t){return t<0&&(t+=1),t>1&&(t-=1),t<1/6?r+(e-r)*6*t:t<1/2?e:t<2/3?r+(e-r)*6*(2/3-t):r}function Xl(r){return r<.04045?r*.0773993808:Math.pow(r*.9478672986+.0521327014,2.4)}function Ql(r){return r<.0031308?r*12.92:1.055*Math.pow(r,.41666)-.055}var $=class{constructor(e,t,n){return t===void 0&&n===void 0?this.set(e):this.setRGB(e,t,n)}set(e){return e&&e.isColor?this.copy(e):typeof e=="number"?this.setHex(e):typeof e=="string"&&this.setStyle(e),this}setScalar(e){return this.r=e,this.g=e,this.b=e,this}setHex(e){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(e&255)/255,this}setRGB(e,t,n){return this.r=e,this.g=t,this.b=n,this}setHSL(e,t,n){if(e=Rl(e,1),t=It(t,0,1),n=It(n,0,1),t===0)this.r=this.g=this.b=n;else{let i=n<=.5?n*(1+t):n+t-n*t,s=2*n-i;this.r=jl(s,i,e+1/3),this.g=jl(s,i,e),this.b=jl(s,i,e-1/3)}return this}setStyle(e){function t(i){i!==void 0&&parseFloat(i)<1&&console.warn("THREE.Color: Alpha component of "+e+" will be ignored.")}let n;if(n=/^((?:rgb|hsl)a?)\(([^\)]*)\)/.exec(e)){let i,s=n[1],a=n[2];switch(s){case"rgb":case"rgba":if(i=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return this.r=Math.min(255,parseInt(i[1],10))/255,this.g=Math.min(255,parseInt(i[2],10))/255,this.b=Math.min(255,parseInt(i[3],10))/255,t(i[4]),this;if(i=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return this.r=Math.min(100,parseInt(i[1],10))/100,this.g=Math.min(100,parseInt(i[2],10))/100,this.b=Math.min(100,parseInt(i[3],10))/100,t(i[4]),this;break;case"hsl":case"hsla":if(i=/^\s*(\d*\.?\d+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a)){let o=parseFloat(i[1])/360,l=parseInt(i[2],10)/100,c=parseInt(i[3],10)/100;return t(i[4]),this.setHSL(o,l,c)}break}}else if(n=/^\#([A-Fa-f\d]+)$/.exec(e)){let i=n[1],s=i.length;if(s===3)return this.r=parseInt(i.charAt(0)+i.charAt(0),16)/255,this.g=parseInt(i.charAt(1)+i.charAt(1),16)/255,this.b=parseInt(i.charAt(2)+i.charAt(2),16)/255,this;if(s===6)return this.r=parseInt(i.charAt(0)+i.charAt(1),16)/255,this.g=parseInt(i.charAt(2)+i.charAt(3),16)/255,this.b=parseInt(i.charAt(4)+i.charAt(5),16)/255,this}return e&&e.length>0?this.setColorName(e):this}setColorName(e){let t=Md[e.toLowerCase()];return t!==void 0?this.setHex(t):console.warn("THREE.Color: Unknown color "+e),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(e){return this.r=e.r,this.g=e.g,this.b=e.b,this}copyGammaToLinear(e,t=2){return this.r=Math.pow(e.r,t),this.g=Math.pow(e.g,t),this.b=Math.pow(e.b,t),this}copyLinearToGamma(e,t=2){let n=t>0?1/t:1;return this.r=Math.pow(e.r,n),this.g=Math.pow(e.g,n),this.b=Math.pow(e.b,n),this}convertGammaToLinear(e){return this.copyGammaToLinear(this,e),this}convertLinearToGamma(e){return this.copyLinearToGamma(this,e),this}copySRGBToLinear(e){return this.r=Xl(e.r),this.g=Xl(e.g),this.b=Xl(e.b),this}copyLinearToSRGB(e){return this.r=Ql(e.r),this.g=Ql(e.g),this.b=Ql(e.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(){return this.r*255<<16^this.g*255<<8^this.b*255<<0}getHexString(){return("000000"+this.getHex().toString(16)).slice(-6)}getHSL(e){let t=this.r,n=this.g,i=this.b,s=Math.max(t,n,i),a=Math.min(t,n,i),o,l,c=(a+s)/2;if(a===s)o=0,l=0;else{let u=s-a;switch(l=c<=.5?u/(s+a):u/(2-s-a),s){case t:o=(n-i)/u+(n65535?Us:Bs)(e,1):this.index=e,this}getAttribute(e){return this.attributes[e]}setAttribute(e,t){return this.attributes[e]=t,this}deleteAttribute(e){return delete this.attributes[e],this}hasAttribute(e){return this.attributes[e]!==void 0}addGroup(e,t,n=0){this.groups.push({start:e,count:t,materialIndex:n})}clearGroups(){this.groups=[]}setDrawRange(e,t){this.drawRange.start=e,this.drawRange.count=t}applyMatrix4(e){let 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height(e){this.w=e}set(e,t,i,n){return this.x=e,this.y=t,this.z=i,this.w=n,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this.w=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setW(e){return this.w=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;case 3:this.w=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=e.w!==void 0?e.w:1,this}add(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this.w+=e.w,this}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this.w+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this.w=e.w+t.w,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this.w+=e.w*t,this}sub(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this.w-=e.w,this}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this.w-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this.w=e.w-t.w,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this.w*=e.w,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this}applyMatrix4(e){let t=this.x,i=this.y,n=this.z,s=this.w,a=e.elements;return this.x=a[0]*t+a[4]*i+a[8]*n+a[12]*s,this.y=a[1]*t+a[5]*i+a[9]*n+a[13]*s,this.z=a[2]*t+a[6]*i+a[10]*n+a[14]*s,this.w=a[3]*t+a[7]*i+a[11]*n+a[15]*s,this}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this.w/=e.w,this}divideScalar(e){return this.multiplyScalar(1/e)}setAxisAngleFromQuaternion(e){this.w=2*Math.acos(e.w);let t=Math.sqrt(1-e.w*e.w);return t<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=e.x/t,this.y=e.y/t,this.z=e.z/t),this}setAxisAngleFromRotationMatrix(e){let t,i,n,s,a=.01,o=.1,l=e.elements,c=l[0],h=l[4],u=l[8],d=l[1],f=l[5],m=l[9],v=l[2],g=l[6],p=l[10];if(Math.abs(h-d)_&&x>D?xD?_=0?1:-1,x=1-p*p;if(x>Number.EPSILON){let D=Math.sqrt(x),T=Math.atan2(D,p*y);g=Math.sin(g*T)/D,o=Math.sin(o*T)/D}let _=o*y;if(l=l*g+d*_,c=c*g+f*_,h=h*g+m*_,u=u*g+v*_,g===1-o){let D=1/Math.sqrt(l*l+c*c+h*h+u*u);l*=D,c*=D,h*=D,u*=D}}e[t]=l,e[t+1]=c,e[t+2]=h,e[t+3]=u}static multiplyQuaternionsFlat(e,t,i,n,s,a){let o=i[n],l=i[n+1],c=i[n+2],h=i[n+3],u=s[a],d=s[a+1],f=s[a+2],m=s[a+3];return e[t]=o*m+h*u+l*f-c*d,e[t+1]=l*m+h*d+c*u-o*f,e[t+2]=c*m+h*f+o*d-l*u,e[t+3]=h*m-o*u-l*d-c*f,e}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get w(){return this._w}set w(e){this._w=e,this._onChangeCallback()}set(e,t,i,n){return this._x=e,this._y=t,this._z=i,this._w=n,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this}setFromEuler(e,t=!0){let i=e._x,n=e._y,s=e._z,a=e._order,o=Math.cos,l=Math.sin,c=o(i/2),h=o(n/2),u=o(s/2),d=l(i/2),f=l(n/2),m=l(s/2);switch(a){case"XYZ":this._x=d*h*u+c*f*m,this._y=c*f*u-d*h*m,this._z=c*h*m+d*f*u,this._w=c*h*u-d*f*m;break;case"YXZ":this._x=d*h*u+c*f*m,this._y=c*f*u-d*h*m,this._z=c*h*m-d*f*u,this._w=c*h*u+d*f*m;break;case"ZXY":this._x=d*h*u-c*f*m,this._y=c*f*u+d*h*m,this._z=c*h*m+d*f*u,this._w=c*h*u-d*f*m;break;case"ZYX":this._x=d*h*u-c*f*m,this._y=c*f*u+d*h*m,this._z=c*h*m-d*f*u,this._w=c*h*u+d*f*m;break;case"YZX":this._x=d*h*u+c*f*m,this._y=c*f*u+d*h*m,this._z=c*h*m-d*f*u,this._w=c*h*u-d*f*m;break;case"XZY":this._x=d*h*u-c*f*m,this._y=c*f*u-d*h*m,this._z=c*h*m+d*f*u,this._w=c*h*u+d*f*m;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return t===!0&&this._onChangeCallback(),this}setFromAxisAngle(e,t){let i=t/2,n=Math.sin(i);return this._x=e.x*n,this._y=e.y*n,this._z=e.z*n,this._w=Math.cos(i),this._onChangeCallback(),this}setFromRotationMatrix(e){let t=e.elements,i=t[0],n=t[4],s=t[8],a=t[1],o=t[5],l=t[9],c=t[2],h=t[6],u=t[10],d=i+o+u;if(d>0){let f=.5/Math.sqrt(d+1);this._w=.25/f,this._x=(h-l)*f,this._y=(s-c)*f,this._z=(a-n)*f}else if(i>o&&i>u){let f=2*Math.sqrt(1+i-o-u);this._w=(h-l)/f,this._x=.25*f,this._y=(n+a)/f,this._z=(s+c)/f}else if(o>u){let f=2*Math.sqrt(1+o-i-u);this._w=(s-c)/f,this._x=(n+a)/f,this._y=.25*f,this._z=(l+h)/f}else{let f=2*Math.sqrt(1+u-i-o);this._w=(a-n)/f,this._x=(s+c)/f,this._y=(l+h)/f,this._z=.25*f}return this._onChangeCallback(),this}setFromUnitVectors(e,t){let i=e.dot(t)+1;return iMath.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=i):(this._x=0,this._y=-e.z,this._z=e.y,this._w=i)):(this._x=e.y*t.z-e.z*t.y,this._y=e.z*t.x-e.x*t.z,this._z=e.x*t.y-e.y*t.x,this._w=i),this.normalize()}angleTo(e){return 2*Math.acos(Math.abs(Ge(this.dot(e),-1,1)))}rotateTowards(e,t){let i=this.angleTo(e);if(i===0)return this;let n=Math.min(1,t/i);return this.slerp(e,n),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(e){return this._x*e._x+this._y*e._y+this._z*e._z+this._w*e._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let e=this.length();return e===0?(this._x=0,this._y=0,this._z=0,this._w=1):(e=1/e,this._x=this._x*e,this._y=this._y*e,this._z=this._z*e,this._w=this._w*e),this._onChangeCallback(),this}multiply(e){return this.multiplyQuaternions(this,e)}premultiply(e){return this.multiplyQuaternions(e,this)}multiplyQuaternions(e,t){let i=e._x,n=e._y,s=e._z,a=e._w,o=t._x,l=t._y,c=t._z,h=t._w;return this._x=i*h+a*o+n*c-s*l,this._y=n*h+a*l+s*o-i*c,this._z=s*h+a*c+i*l-n*o,this._w=a*h-i*o-n*l-s*c,this._onChangeCallback(),this}slerp(e,t){if(t===0)return this;if(t===1)return this.copy(e);let i=this._x,n=this._y,s=this._z,a=this._w,o=a*e._w+i*e._x+n*e._y+s*e._z;if(o<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,o=-o):this.copy(e),o>=1)return this._w=a,this._x=i,this._y=n,this._z=s,this;let l=1-o*o;if(l<=Number.EPSILON){let f=1-t;return this._w=f*a+t*this._w,this._x=f*i+t*this._x,this._y=f*n+t*this._y,this._z=f*s+t*this._z,this.normalize(),this}let c=Math.sqrt(l),h=Math.atan2(c,o),u=Math.sin((1-t)*h)/c,d=Math.sin(t*h)/c;return this._w=a*u+this._w*d,this._x=i*u+this._x*d,this._y=n*u+this._y*d,this._z=s*u+this._z*d,this._onChangeCallback(),this}slerpQuaternions(e,t,i){return this.copy(e).slerp(t,i)}random(){let e=2*Math.PI*Math.random(),t=2*Math.PI*Math.random(),i=Math.random(),n=Math.sqrt(1-i),s=Math.sqrt(i);return this.set(n*Math.sin(e),n*Math.cos(e),s*Math.sin(t),s*Math.cos(t))}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._w===this._w}fromArray(e,t=0){return this._x=e[t],this._y=e[t+1],this._z=e[t+2],this._w=e[t+3],this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._w,e}fromBufferAttribute(e,t){return this._x=e.getX(t),this._y=e.getY(t),this._z=e.getZ(t),this._w=e.getW(t),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}},b=class{constructor(e=0,t=0,i=0){b.prototype.isVector3=!0,this.x=e,this.y=t,this.z=i}set(e,t,i){return i===void 0&&(i=this.z),this.x=e,this.y=t,this.z=i,this}setScalar(e){return 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this.x=e.x+(t.x-e.x)*i,this.y=e.y+(t.y-e.y)*i,this.z=e.z+(t.z-e.z)*i,this}cross(e){return this.crossVectors(this,e)}crossVectors(e,t){let i=e.x,n=e.y,s=e.z,a=t.x,o=t.y,l=t.z;return this.x=n*l-s*o,this.y=s*a-i*l,this.z=i*o-n*a,this}projectOnVector(e){let t=e.lengthSq();if(t===0)return this.set(0,0,0);let i=e.dot(this)/t;return this.copy(e).multiplyScalar(i)}projectOnPlane(e){return bu.copy(this).projectOnVector(e),this.sub(bu)}reflect(e){return this.sub(bu.copy(e).multiplyScalar(2*this.dot(e)))}angleTo(e){let t=Math.sqrt(this.lengthSq()*e.lengthSq());if(t===0)return Math.PI/2;let i=this.dot(e)/t;return Math.acos(Ge(i,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){let t=this.x-e.x,i=this.y-e.y,n=this.z-e.z;return t*t+i*i+n*n}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)+Math.abs(this.z-e.z)}setFromSpherical(e){return this.setFromSphericalCoords(e.radius,e.phi,e.theta)}setFromSphericalCoords(e,t,i){let n=Math.sin(t)*e;return this.x=n*Math.sin(i),this.y=Math.cos(t)*e,this.z=n*Math.cos(i),this}setFromCylindrical(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)}setFromCylindricalCoords(e,t,i){return this.x=e*Math.sin(t),this.y=i,this.z=e*Math.cos(t),this}setFromMatrixPosition(e){let t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this}setFromMatrixScale(e){let t=this.setFromMatrixColumn(e,0).length(),i=this.setFromMatrixColumn(e,1).length(),n=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=i,this.z=n,this}setFromMatrixColumn(e,t){return this.fromArray(e.elements,t*4)}setFromMatrix3Column(e,t){return this.fromArray(e.elements,t*3)}setFromEuler(e){return this.x=e._x,this.y=e._y,this.z=e._z,this}setFromColor(e){return this.x=e.r,this.y=e.g,this.z=e.b,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){let e=Math.random()*Math.PI*2,t=Math.random()*2-1,i=Math.sqrt(1-t*t);return this.x=i*Math.cos(e),this.y=t,this.z=i*Math.sin(e),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}},bu=new b,Bp=new Ft,Ht=class{constructor(e=new b(1/0,1/0,1/0),t=new b(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromArray(e){this.makeEmpty();for(let t=0,i=e.length;t=this.min.x&&e.x<=this.max.x&&e.y>=this.min.y&&e.y<=this.max.y&&e.z>=this.min.z&&e.z<=this.max.z}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y&&this.min.z<=e.min.z&&e.max.z<=this.max.z}getParameter(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y),(e.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(e){return e.max.x>=this.min.x&&e.min.x<=this.max.x&&e.max.y>=this.min.y&&e.min.y<=this.max.y&&e.max.z>=this.min.z&&e.min.z<=this.max.z}intersectsSphere(e){return this.clampPoint(e.center,Qi),Qi.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,i;return e.normal.x>0?(t=e.normal.x*this.min.x,i=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,i=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,i+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,i+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,i+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,i+=e.normal.z*this.min.z),t<=-e.constant&&i>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(_o),Pl.subVectors(this.max,_o),ws.subVectors(e.a,_o),Cs.subVectors(e.b,_o),Rs.subVectors(e.c,_o),Yn.subVectors(Cs,ws),jn.subVectors(Rs,Cs),xr.subVectors(ws,Rs);let t=[0,-Yn.z,Yn.y,0,-jn.z,jn.y,0,-xr.z,xr.y,Yn.z,0,-Yn.x,jn.z,0,-jn.x,xr.z,0,-xr.x,-Yn.y,Yn.x,0,-jn.y,jn.x,0,-xr.y,xr.x,0];return!Tu(t,ws,Cs,Rs,Pl)||(t=[1,0,0,0,1,0,0,0,1],!Tu(t,ws,Cs,Rs,Pl))?!1:(Il.crossVectors(Yn,jn),t=[Il.x,Il.y,Il.z],Tu(t,ws,Cs,Rs,Pl))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return this.clampPoint(e,Qi).distanceTo(e)}getBoundingSphere(e){return this.isEmpty()?e.makeEmpty():(this.getCenter(e.center),e.radius=this.getSize(Qi).length()*.5),e}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}applyMatrix4(e){return this.isEmpty()?this:(Mn[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),Mn[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),Mn[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),Mn[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),Mn[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),Mn[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),Mn[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),Mn[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(Mn),this)}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}},Mn=[new b,new b,new b,new b,new b,new b,new b,new b],Qi=new b,Dl=new Ht,ws=new b,Cs=new b,Rs=new b,Yn=new b,jn=new b,xr=new b,_o=new b,Pl=new b,Il=new b,_r=new b;function Tu(r,e,t,i,n){for(let s=0,a=r.length-3;s<=a;s+=3){_r.fromArray(r,s);let o=n.x*Math.abs(_r.x)+n.y*Math.abs(_r.y)+n.z*Math.abs(_r.z),l=e.dot(_r),c=t.dot(_r),h=i.dot(_r);if(Math.max(-Math.max(l,c,h),Math.min(l,c,h))>o)return!1}return!0}var a0=new Ht,yo=new b,wu=new b,Bt=class{constructor(e=new b,t=-1){this.isSphere=!0,this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){let i=this.center;t!==void 0?i.copy(t):a0.setFromPoints(e).getCenter(i);let n=0;for(let s=0,a=e.length;sthis.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t}getBoundingBox(e){return this.isEmpty()?(e.makeEmpty(),e):(e.set(this.center,this.center),e.expandByScalar(this.radius),e)}applyMatrix4(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this}translate(e){return this.center.add(e),this}expandByPoint(e){if(this.isEmpty())return this.center.copy(e),this.radius=0,this;yo.subVectors(e,this.center);let t=yo.lengthSq();if(t>this.radius*this.radius){let i=Math.sqrt(t),n=(i-this.radius)*.5;this.center.addScaledVector(yo,n/i),this.radius+=n}return this}union(e){return e.isEmpty()?this:this.isEmpty()?(this.copy(e),this):(this.center.equals(e.center)===!0?this.radius=Math.max(this.radius,e.radius):(wu.subVectors(e.center,this.center).setLength(e.radius),this.expandByPoint(yo.copy(e.center).add(wu)),this.expandByPoint(yo.copy(e.center).sub(wu))),this)}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return new this.constructor().copy(this)}},bn=new b,Cu=new b,Ul=new b,qn=new b,Ru=new b,Ll=new b,Du=new b,hn=class{constructor(e=new b,t=new b(0,0,-1)){this.origin=e,this.direction=t}set(e,t){return this.origin.copy(e),this.direction.copy(t),this}copy(e){return this.origin.copy(e.origin),this.direction.copy(e.direction),this}at(e,t){return t.copy(this.origin).addScaledVector(this.direction,e)}lookAt(e){return this.direction.copy(e).sub(this.origin).normalize(),this}recast(e){return this.origin.copy(this.at(e,bn)),this}closestPointToPoint(e,t){t.subVectors(e,this.origin);let i=t.dot(this.direction);return i<0?t.copy(this.origin):t.copy(this.origin).addScaledVector(this.direction,i)}distanceToPoint(e){return Math.sqrt(this.distanceSqToPoint(e))}distanceSqToPoint(e){let t=bn.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(bn.copy(this.origin).addScaledVector(this.direction,t),bn.distanceToSquared(e))}distanceSqToSegment(e,t,i,n){Cu.copy(e).add(t).multiplyScalar(.5),Ul.copy(t).sub(e).normalize(),qn.copy(this.origin).sub(Cu);let s=e.distanceTo(t)*.5,a=-this.direction.dot(Ul),o=qn.dot(this.direction),l=-qn.dot(Ul),c=qn.lengthSq(),h=Math.abs(1-a*a),u,d,f,m;if(h>0)if(u=a*l-o,d=a*o-l,m=s*h,u>=0)if(d>=-m)if(d<=m){let v=1/h;u*=v,d*=v,f=u*(u+a*d+2*o)+d*(a*u+d+2*l)+c}else d=s,u=Math.max(0,-(a*d+o)),f=-u*u+d*(d+2*l)+c;else d=-s,u=Math.max(0,-(a*d+o)),f=-u*u+d*(d+2*l)+c;else d<=-m?(u=Math.max(0,-(-a*s+o)),d=u>0?-s:Math.min(Math.max(-s,-l),s),f=-u*u+d*(d+2*l)+c):d<=m?(u=0,d=Math.min(Math.max(-s,-l),s),f=d*(d+2*l)+c):(u=Math.max(0,-(a*s+o)),d=u>0?s:Math.min(Math.max(-s,-l),s),f=-u*u+d*(d+2*l)+c);else d=a>0?-s:s,u=Math.max(0,-(a*d+o)),f=-u*u+d*(d+2*l)+c;return i&&i.copy(this.origin).addScaledVector(this.direction,u),n&&n.copy(Cu).addScaledVector(Ul,d),f}intersectSphere(e,t){bn.subVectors(e.center,this.origin);let i=bn.dot(this.direction),n=bn.dot(bn)-i*i,s=e.radius*e.radius;if(n>s)return null;let a=Math.sqrt(s-n),o=i-a,l=i+a;return l<0?null:o<0?this.at(l,t):this.at(o,t)}intersectsSphere(e){return this.distanceSqToPoint(e.center)<=e.radius*e.radius}distanceToPlane(e){let t=e.normal.dot(this.direction);if(t===0)return e.distanceToPoint(this.origin)===0?0:null;let i=-(this.origin.dot(e.normal)+e.constant)/t;return i>=0?i:null}intersectPlane(e,t){let i=this.distanceToPlane(e);return i===null?null:this.at(i,t)}intersectsPlane(e){let t=e.distanceToPoint(this.origin);return t===0||e.normal.dot(this.direction)*t<0}intersectBox(e,t){let i,n,s,a,o,l,c=1/this.direction.x,h=1/this.direction.y,u=1/this.direction.z,d=this.origin;return c>=0?(i=(e.min.x-d.x)*c,n=(e.max.x-d.x)*c):(i=(e.max.x-d.x)*c,n=(e.min.x-d.x)*c),h>=0?(s=(e.min.y-d.y)*h,a=(e.max.y-d.y)*h):(s=(e.max.y-d.y)*h,a=(e.min.y-d.y)*h),i>a||s>n||((s>i||isNaN(i))&&(i=s),(a=0?(o=(e.min.z-d.z)*u,l=(e.max.z-d.z)*u):(o=(e.max.z-d.z)*u,l=(e.min.z-d.z)*u),i>l||o>n)||((o>i||i!==i)&&(i=o),(l=0?i:n,t)}intersectsBox(e){return this.intersectBox(e,bn)!==null}intersectTriangle(e,t,i,n,s){Ru.subVectors(t,e),Ll.subVectors(i,e),Du.crossVectors(Ru,Ll);let a=this.direction.dot(Du),o;if(a>0){if(n)return null;o=1}else if(a<0)o=-1,a=-a;else return null;qn.subVectors(this.origin,e);let l=o*this.direction.dot(Ll.crossVectors(qn,Ll));if(l<0)return null;let c=o*this.direction.dot(Ru.cross(qn));if(c<0||l+c>a)return null;let h=-o*qn.dot(Du);return h<0?null:this.at(h/a,s)}applyMatrix4(e){return this.origin.applyMatrix4(e),this.direction.transformDirection(e),this}equals(e){return e.origin.equals(this.origin)&&e.direction.equals(this.direction)}clone(){return new this.constructor().copy(this)}},Le=class{constructor(e,t,i,n,s,a,o,l,c,h,u,d,f,m,v,g){Le.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],e!==void 0&&this.set(e,t,i,n,s,a,o,l,c,h,u,d,f,m,v,g)}set(e,t,i,n,s,a,o,l,c,h,u,d,f,m,v,g){let p=this.elements;return p[0]=e,p[4]=t,p[8]=i,p[12]=n,p[1]=s,p[5]=a,p[9]=o,p[13]=l,p[2]=c,p[6]=h,p[10]=u,p[14]=d,p[3]=f,p[7]=m,p[11]=v,p[15]=g,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return new Le().fromArray(this.elements)}copy(e){let t=this.elements,i=e.elements;return t[0]=i[0],t[1]=i[1],t[2]=i[2],t[3]=i[3],t[4]=i[4],t[5]=i[5],t[6]=i[6],t[7]=i[7],t[8]=i[8],t[9]=i[9],t[10]=i[10],t[11]=i[11],t[12]=i[12],t[13]=i[13],t[14]=i[14],t[15]=i[15],this}copyPosition(e){let t=this.elements,i=e.elements;return t[12]=i[12],t[13]=i[13],t[14]=i[14],this}setFromMatrix3(e){let t=e.elements;return this.set(t[0],t[3],t[6],0,t[1],t[4],t[7],0,t[2],t[5],t[8],0,0,0,0,1),this}extractBasis(e,t,i){return e.setFromMatrixColumn(this,0),t.setFromMatrixColumn(this,1),i.setFromMatrixColumn(this,2),this}makeBasis(e,t,i){return this.set(e.x,t.x,i.x,0,e.y,t.y,i.y,0,e.z,t.z,i.z,0,0,0,0,1),this}extractRotation(e){let t=this.elements,i=e.elements,n=1/Ds.setFromMatrixColumn(e,0).length(),s=1/Ds.setFromMatrixColumn(e,1).length(),a=1/Ds.setFromMatrixColumn(e,2).length();return t[0]=i[0]*n,t[1]=i[1]*n,t[2]=i[2]*n,t[3]=0,t[4]=i[4]*s,t[5]=i[5]*s,t[6]=i[6]*s,t[7]=0,t[8]=i[8]*a,t[9]=i[9]*a,t[10]=i[10]*a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromEuler(e){let t=this.elements,i=e.x,n=e.y,s=e.z,a=Math.cos(i),o=Math.sin(i),l=Math.cos(n),c=Math.sin(n),h=Math.cos(s),u=Math.sin(s);if(e.order==="XYZ"){let d=a*h,f=a*u,m=o*h,v=o*u;t[0]=l*h,t[4]=-l*u,t[8]=c,t[1]=f+m*c,t[5]=d-v*c,t[9]=-o*l,t[2]=v-d*c,t[6]=m+f*c,t[10]=a*l}else if(e.order==="YXZ"){let d=l*h,f=l*u,m=c*h,v=c*u;t[0]=d+v*o,t[4]=m*o-f,t[8]=a*c,t[1]=a*u,t[5]=a*h,t[9]=-o,t[2]=f*o-m,t[6]=v+d*o,t[10]=a*l}else if(e.order==="ZXY"){let d=l*h,f=l*u,m=c*h,v=c*u;t[0]=d-v*o,t[4]=-a*u,t[8]=m+f*o,t[1]=f+m*o,t[5]=a*h,t[9]=v-d*o,t[2]=-a*c,t[6]=o,t[10]=a*l}else if(e.order==="ZYX"){let d=a*h,f=a*u,m=o*h,v=o*u;t[0]=l*h,t[4]=m*c-f,t[8]=d*c+v,t[1]=l*u,t[5]=v*c+d,t[9]=f*c-m,t[2]=-c,t[6]=o*l,t[10]=a*l}else if(e.order==="YZX"){let d=a*l,f=a*c,m=o*l,v=o*c;t[0]=l*h,t[4]=v-d*u,t[8]=m*u+f,t[1]=u,t[5]=a*h,t[9]=-o*h,t[2]=-c*h,t[6]=f*u+m,t[10]=d-v*u}else if(e.order==="XZY"){let d=a*l,f=a*c,m=o*l,v=o*c;t[0]=l*h,t[4]=-u,t[8]=c*h,t[1]=d*u+v,t[5]=a*h,t[9]=f*u-m,t[2]=m*u-f,t[6]=o*h,t[10]=v*u+d}return t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromQuaternion(e){return this.compose(o0,e,l0)}lookAt(e,t,i){let n=this.elements;return Si.subVectors(e,t),Si.lengthSq()===0&&(Si.z=1),Si.normalize(),Zn.crossVectors(i,Si),Zn.lengthSq()===0&&(Math.abs(i.z)===1?Si.x+=1e-4:Si.z+=1e-4,Si.normalize(),Zn.crossVectors(i,Si)),Zn.normalize(),Bl.crossVectors(Si,Zn),n[0]=Zn.x,n[4]=Bl.x,n[8]=Si.x,n[1]=Zn.y,n[5]=Bl.y,n[9]=Si.y,n[2]=Zn.z,n[6]=Bl.z,n[10]=Si.z,this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){let i=e.elements,n=t.elements,s=this.elements,a=i[0],o=i[4],l=i[8],c=i[12],h=i[1],u=i[5],d=i[9],f=i[13],m=i[2],v=i[6],g=i[10],p=i[14],y=i[3],x=i[7],_=i[11],D=i[15],T=n[0],R=n[4],P=n[8],M=n[12],A=n[1],I=n[5],k=n[9],N=n[13],G=n[2],Z=n[6],V=n[10],ne=n[14],W=n[3],ce=n[7],ve=n[11],Me=n[15];return s[0]=a*T+o*A+l*G+c*W,s[4]=a*R+o*I+l*Z+c*ce,s[8]=a*P+o*k+l*V+c*ve,s[12]=a*M+o*N+l*ne+c*Me,s[1]=h*T+u*A+d*G+f*W,s[5]=h*R+u*I+d*Z+f*ce,s[9]=h*P+u*k+d*V+f*ve,s[13]=h*M+u*N+d*ne+f*Me,s[2]=m*T+v*A+g*G+p*W,s[6]=m*R+v*I+g*Z+p*ce,s[10]=m*P+v*k+g*V+p*ve,s[14]=m*M+v*N+g*ne+p*Me,s[3]=y*T+x*A+_*G+D*W,s[7]=y*R+x*I+_*Z+D*ce,s[11]=y*P+x*k+_*V+D*ve,s[15]=y*M+x*N+_*ne+D*Me,this}multiplyScalar(e){let t=this.elements;return t[0]*=e,t[4]*=e,t[8]*=e,t[12]*=e,t[1]*=e,t[5]*=e,t[9]*=e,t[13]*=e,t[2]*=e,t[6]*=e,t[10]*=e,t[14]*=e,t[3]*=e,t[7]*=e,t[11]*=e,t[15]*=e,this}determinant(){let e=this.elements,t=e[0],i=e[4],n=e[8],s=e[12],a=e[1],o=e[5],l=e[9],c=e[13],h=e[2],u=e[6],d=e[10],f=e[14],m=e[3],v=e[7],g=e[11],p=e[15];return m*(+s*l*u-n*c*u-s*o*d+i*c*d+n*o*f-i*l*f)+v*(+t*l*f-t*c*d+s*a*d-n*a*f+n*c*h-s*l*h)+g*(+t*c*u-t*o*f-s*a*u+i*a*f+s*o*h-i*c*h)+p*(-n*o*h-t*l*u+t*o*d+n*a*u-i*a*d+i*l*h)}transpose(){let e=this.elements,t;return t=e[1],e[1]=e[4],e[4]=t,t=e[2],e[2]=e[8],e[8]=t,t=e[6],e[6]=e[9],e[9]=t,t=e[3],e[3]=e[12],e[12]=t,t=e[7],e[7]=e[13],e[13]=t,t=e[11],e[11]=e[14],e[14]=t,this}setPosition(e,t,i){let n=this.elements;return e.isVector3?(n[12]=e.x,n[13]=e.y,n[14]=e.z):(n[12]=e,n[13]=t,n[14]=i),this}invert(){let e=this.elements,t=e[0],i=e[1],n=e[2],s=e[3],a=e[4],o=e[5],l=e[6],c=e[7],h=e[8],u=e[9],d=e[10],f=e[11],m=e[12],v=e[13],g=e[14],p=e[15],y=u*g*c-v*d*c+v*l*f-o*g*f-u*l*p+o*d*p,x=m*d*c-h*g*c-m*l*f+a*g*f+h*l*p-a*d*p,_=h*v*c-m*u*c+m*o*f-a*v*f-h*o*p+a*u*p,D=m*u*l-h*v*l-m*o*d+a*v*d+h*o*g-a*u*g,T=t*y+i*x+n*_+s*D;if(T===0)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);let R=1/T;return e[0]=y*R,e[1]=(v*d*s-u*g*s-v*n*f+i*g*f+u*n*p-i*d*p)*R,e[2]=(o*g*s-v*l*s+v*n*c-i*g*c-o*n*p+i*l*p)*R,e[3]=(u*l*s-o*d*s-u*n*c+i*d*c+o*n*f-i*l*f)*R,e[4]=x*R,e[5]=(h*g*s-m*d*s+m*n*f-t*g*f-h*n*p+t*d*p)*R,e[6]=(m*l*s-a*g*s-m*n*c+t*g*c+a*n*p-t*l*p)*R,e[7]=(a*d*s-h*l*s+h*n*c-t*d*c-a*n*f+t*l*f)*R,e[8]=_*R,e[9]=(m*u*s-h*v*s-m*i*f+t*v*f+h*i*p-t*u*p)*R,e[10]=(a*v*s-m*o*s+m*i*c-t*v*c-a*i*p+t*o*p)*R,e[11]=(h*o*s-a*u*s-h*i*c+t*u*c+a*i*f-t*o*f)*R,e[12]=D*R,e[13]=(h*v*n-m*u*n+m*i*d-t*v*d-h*i*g+t*u*g)*R,e[14]=(m*o*n-a*v*n-m*i*l+t*v*l+a*i*g-t*o*g)*R,e[15]=(a*u*n-h*o*n+h*i*l-t*u*l-a*i*d+t*o*d)*R,this}scale(e){let t=this.elements,i=e.x,n=e.y,s=e.z;return t[0]*=i,t[4]*=n,t[8]*=s,t[1]*=i,t[5]*=n,t[9]*=s,t[2]*=i,t[6]*=n,t[10]*=s,t[3]*=i,t[7]*=n,t[11]*=s,this}getMaxScaleOnAxis(){let e=this.elements,t=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],i=e[4]*e[4]+e[5]*e[5]+e[6]*e[6],n=e[8]*e[8]+e[9]*e[9]+e[10]*e[10];return Math.sqrt(Math.max(t,i,n))}makeTranslation(e,t,i){return e.isVector3?this.set(1,0,0,e.x,0,1,0,e.y,0,0,1,e.z,0,0,0,1):this.set(1,0,0,e,0,1,0,t,0,0,1,i,0,0,0,1),this}makeRotationX(e){let t=Math.cos(e),i=Math.sin(e);return this.set(1,0,0,0,0,t,-i,0,0,i,t,0,0,0,0,1),this}makeRotationY(e){let t=Math.cos(e),i=Math.sin(e);return this.set(t,0,i,0,0,1,0,0,-i,0,t,0,0,0,0,1),this}makeRotationZ(e){let t=Math.cos(e),i=Math.sin(e);return this.set(t,-i,0,0,i,t,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(e,t){let i=Math.cos(t),n=Math.sin(t),s=1-i,a=e.x,o=e.y,l=e.z,c=s*a,h=s*o;return this.set(c*a+i,c*o-n*l,c*l+n*o,0,c*o+n*l,h*o+i,h*l-n*a,0,c*l-n*o,h*l+n*a,s*l*l+i,0,0,0,0,1),this}makeScale(e,t,i){return this.set(e,0,0,0,0,t,0,0,0,0,i,0,0,0,0,1),this}makeShear(e,t,i,n,s,a){return this.set(1,i,s,0,e,1,a,0,t,n,1,0,0,0,0,1),this}compose(e,t,i){let n=this.elements,s=t._x,a=t._y,o=t._z,l=t._w,c=s+s,h=a+a,u=o+o,d=s*c,f=s*h,m=s*u,v=a*h,g=a*u,p=o*u,y=l*c,x=l*h,_=l*u,D=i.x,T=i.y,R=i.z;return n[0]=(1-(v+p))*D,n[1]=(f+_)*D,n[2]=(m-x)*D,n[3]=0,n[4]=(f-_)*T,n[5]=(1-(d+p))*T,n[6]=(g+y)*T,n[7]=0,n[8]=(m+x)*R,n[9]=(g-y)*R,n[10]=(1-(d+v))*R,n[11]=0,n[12]=e.x,n[13]=e.y,n[14]=e.z,n[15]=1,this}decompose(e,t,i){let n=this.elements,s=Ds.set(n[0],n[1],n[2]).length(),a=Ds.set(n[4],n[5],n[6]).length(),o=Ds.set(n[8],n[9],n[10]).length();this.determinant()<0&&(s=-s),e.x=n[12],e.y=n[13],e.z=n[14],Ki.copy(this);let c=1/s,h=1/a,u=1/o;return Ki.elements[0]*=c,Ki.elements[1]*=c,Ki.elements[2]*=c,Ki.elements[4]*=h,Ki.elements[5]*=h,Ki.elements[6]*=h,Ki.elements[8]*=u,Ki.elements[9]*=u,Ki.elements[10]*=u,t.setFromRotationMatrix(Ki),i.x=s,i.y=a,i.z=o,this}makePerspective(e,t,i,n,s,a,o=Ni){let l=this.elements,c=2*s/(t-e),h=2*s/(i-n),u=(t+e)/(t-e),d=(i+n)/(i-n),f,m;if(o===Ni)f=-(a+s)/(a-s),m=-2*a*s/(a-s);else if(o===ys)f=-a/(a-s),m=-a*s/(a-s);else throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+o);return l[0]=c,l[4]=0,l[8]=u,l[12]=0,l[1]=0,l[5]=h,l[9]=d,l[13]=0,l[2]=0,l[6]=0,l[10]=f,l[14]=m,l[3]=0,l[7]=0,l[11]=-1,l[15]=0,this}makeOrthographic(e,t,i,n,s,a,o=Ni){let l=this.elements,c=1/(t-e),h=1/(i-n),u=1/(a-s),d=(t+e)*c,f=(i+n)*h,m,v;if(o===Ni)m=(a+s)*u,v=-2*u;else if(o===ys)m=s*u,v=-1*u;else throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+o);return l[0]=2*c,l[4]=0,l[8]=0,l[12]=-d,l[1]=0,l[5]=2*h,l[9]=0,l[13]=-f,l[2]=0,l[6]=0,l[10]=v,l[14]=-m,l[3]=0,l[7]=0,l[11]=0,l[15]=1,this}equals(e){let t=this.elements,i=e.elements;for(let n=0;n<16;n++)if(t[n]!==i[n])return!1;return!0}fromArray(e,t=0){for(let i=0;i<16;i++)this.elements[i]=e[i+t];return this}toArray(e=[],t=0){let i=this.elements;return e[t]=i[0],e[t+1]=i[1],e[t+2]=i[2],e[t+3]=i[3],e[t+4]=i[4],e[t+5]=i[5],e[t+6]=i[6],e[t+7]=i[7],e[t+8]=i[8],e[t+9]=i[9],e[t+10]=i[10],e[t+11]=i[11],e[t+12]=i[12],e[t+13]=i[13],e[t+14]=i[14],e[t+15]=i[15],e}},Ds=new b,Ki=new Le,o0=new b(0,0,0),l0=new b(1,1,1),Zn=new b,Bl=new b,Si=new b,Op=new Le,Np=new Ft,oi=class{constructor(e=0,t=0,i=0,n=oi.DEFAULT_ORDER){this.isEuler=!0,this._x=e,this._y=t,this._z=i,this._order=n}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get order(){return this._order}set order(e){this._order=e,this._onChangeCallback()}set(e,t,i,n=this._order){return this._x=e,this._y=t,this._z=i,this._order=n,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(e){return this._x=e._x,this._y=e._y,this._z=e._z,this._order=e._order,this._onChangeCallback(),this}setFromRotationMatrix(e,t=this._order,i=!0){let n=e.elements,s=n[0],a=n[4],o=n[8],l=n[1],c=n[5],h=n[9],u=n[2],d=n[6],f=n[10];switch(t){case"XYZ":this._y=Math.asin(Ge(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-h,f),this._z=Math.atan2(-a,s)):(this._x=Math.atan2(d,c),this._z=0);break;case"YXZ":this._x=Math.asin(-Ge(h,-1,1)),Math.abs(h)<.9999999?(this._y=Math.atan2(o,f),this._z=Math.atan2(l,c)):(this._y=Math.atan2(-u,s),this._z=0);break;case"ZXY":this._x=Math.asin(Ge(d,-1,1)),Math.abs(d)<.9999999?(this._y=Math.atan2(-u,f),this._z=Math.atan2(-a,c)):(this._y=0,this._z=Math.atan2(l,s));break;case"ZYX":this._y=Math.asin(-Ge(u,-1,1)),Math.abs(u)<.9999999?(this._x=Math.atan2(d,f),this._z=Math.atan2(l,s)):(this._x=0,this._z=Math.atan2(-a,c));break;case"YZX":this._z=Math.asin(Ge(l,-1,1)),Math.abs(l)<.9999999?(this._x=Math.atan2(-h,c),this._y=Math.atan2(-u,s)):(this._x=0,this._y=Math.atan2(o,f));break;case"XZY":this._z=Math.asin(-Ge(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(d,c),this._y=Math.atan2(o,s)):(this._x=Math.atan2(-h,f),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+t)}return this._order=t,i===!0&&this._onChangeCallback(),this}setFromQuaternion(e,t,i){return Op.makeRotationFromQuaternion(e),this.setFromRotationMatrix(Op,t,i)}setFromVector3(e,t=this._order){return this.set(e.x,e.y,e.z,t)}reorder(e){return Np.setFromEuler(this),this.setFromQuaternion(Np,e)}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._order===this._order}fromArray(e){return this._x=e[0],this._y=e[1],this._z=e[2],e[3]!==void 0&&(this._order=e[3]),this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._order,e}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}};oi.DEFAULT_ORDER="XYZ";var Ps=class{constructor(){this.mask=1|0}set(e){this.mask=(1<>>0}enable(e){this.mask|=1<1){for(let t=0;t1){for(let i=0;i0&&(n.userData=this.userData),n.layers=this.layers.mask,n.matrix=this.matrix.toArray(),n.up=this.up.toArray(),this.matrixAutoUpdate===!1&&(n.matrixAutoUpdate=!1),this.isInstancedMesh&&(n.type="InstancedMesh",n.count=this.count,n.instanceMatrix=this.instanceMatrix.toJSON(),this.instanceColor!==null&&(n.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(n.type="BatchedMesh",n.perObjectFrustumCulled=this.perObjectFrustumCulled,n.sortObjects=this.sortObjects,n.drawRanges=this._drawRanges,n.reservedRanges=this._reservedRanges,n.visibility=this._visibility,n.active=this._active,n.bounds=this._bounds.map(o=>({boxInitialized:o.boxInitialized,boxMin:o.box.min.toArray(),boxMax:o.box.max.toArray(),sphereInitialized:o.sphereInitialized,sphereRadius:o.sphere.radius,sphereCenter:o.sphere.center.toArray()})),n.maxInstanceCount=this._maxInstanceCount,n.maxVertexCount=this._maxVertexCount,n.maxIndexCount=this._maxIndexCount,n.geometryInitialized=this._geometryInitialized,n.geometryCount=this._geometryCount,n.matricesTexture=this._matricesTexture.toJSON(e),this._colorsTexture!==null&&(n.colorsTexture=this._colorsTexture.toJSON(e)),this.boundingSphere!==null&&(n.boundingSphere={center:n.boundingSphere.center.toArray(),radius:n.boundingSphere.radius}),this.boundingBox!==null&&(n.boundingBox={min:n.boundingBox.min.toArray(),max:n.boundingBox.max.toArray()}));function s(o,l){return o[l.uuid]===void 0&&(o[l.uuid]=l.toJSON(e)),l.uuid}if(this.isScene)this.background&&(this.background.isColor?n.background=this.background.toJSON():this.background.isTexture&&(n.background=this.background.toJSON(e).uuid)),this.environment&&this.environment.isTexture&&this.environment.isRenderTargetTexture!==!0&&(n.environment=this.environment.toJSON(e).uuid);else if(this.isMesh||this.isLine||this.isPoints){n.geometry=s(e.geometries,this.geometry);let o=this.geometry.parameters;if(o!==void 0&&o.shapes!==void 0){let l=o.shapes;if(Array.isArray(l))for(let c=0,h=l.length;c0){n.children=[];for(let o=0;o0){n.animations=[];for(let o=0;o0&&(i.geometries=o),l.length>0&&(i.materials=l),c.length>0&&(i.textures=c),h.length>0&&(i.images=h),u.length>0&&(i.shapes=u),d.length>0&&(i.skeletons=d),f.length>0&&(i.animations=f),m.length>0&&(i.nodes=m)}return i.object=n,i;function a(o){let l=[];for(let c in o){let h=o[c];delete h.metadata,l.push(h)}return l}}clone(e){return new this.constructor().copy(this,e)}copy(e,t=!0){if(this.name=e.name,this.up.copy(e.up),this.position.copy(e.position),this.rotation.order=e.rotation.order,this.quaternion.copy(e.quaternion),this.scale.copy(e.scale),this.matrix.copy(e.matrix),this.matrixWorld.copy(e.matrixWorld),this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrixWorldAutoUpdate=e.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=e.matrixWorldNeedsUpdate,this.layers.mask=e.layers.mask,this.visible=e.visible,this.castShadow=e.castShadow,this.receiveShadow=e.receiveShadow,this.frustumCulled=e.frustumCulled,this.renderOrder=e.renderOrder,this.animations=e.animations.slice(),this.userData=JSON.parse(JSON.stringify(e.userData)),t===!0)for(let i=0;i0?n.multiplyScalar(1/Math.sqrt(s)):n.set(0,0,0)}static getBarycoord(e,t,i,n,s){Ji.subVectors(n,t),wn.subVectors(i,t),Iu.subVectors(e,t);let a=Ji.dot(Ji),o=Ji.dot(wn),l=Ji.dot(Iu),c=wn.dot(wn),h=wn.dot(Iu),u=a*c-o*o;if(u===0)return s.set(0,0,0),null;let d=1/u,f=(c*l-o*h)*d,m=(a*h-o*l)*d;return s.set(1-f-m,m,f)}static containsPoint(e,t,i,n){return this.getBarycoord(e,t,i,n,Cn)===null?!1:Cn.x>=0&&Cn.y>=0&&Cn.x+Cn.y<=1}static getInterpolation(e,t,i,n,s,a,o,l){return this.getBarycoord(e,t,i,n,Cn)===null?(l.x=0,l.y=0,"z"in l&&(l.z=0),"w"in l&&(l.w=0),null):(l.setScalar(0),l.addScaledVector(s,Cn.x),l.addScaledVector(a,Cn.y),l.addScaledVector(o,Cn.z),l)}static getInterpolatedAttribute(e,t,i,n,s,a){return Ou.setScalar(0),Nu.setScalar(0),Fu.setScalar(0),Ou.fromBufferAttribute(e,t),Nu.fromBufferAttribute(e,i),Fu.fromBufferAttribute(e,n),a.setScalar(0),a.addScaledVector(Ou,s.x),a.addScaledVector(Nu,s.y),a.addScaledVector(Fu,s.z),a}static isFrontFacing(e,t,i,n){return Ji.subVectors(i,t),wn.subVectors(e,t),Ji.cross(wn).dot(n)<0}set(e,t,i){return this.a.copy(e),this.b.copy(t),this.c.copy(i),this}setFromPointsAndIndices(e,t,i,n){return this.a.copy(e[t]),this.b.copy(e[i]),this.c.copy(e[n]),this}setFromAttributeAndIndices(e,t,i,n){return this.a.fromBufferAttribute(e,t),this.b.fromBufferAttribute(e,i),this.c.fromBufferAttribute(e,n),this}clone(){return new this.constructor().copy(this)}copy(e){return this.a.copy(e.a),this.b.copy(e.b),this.c.copy(e.c),this}getArea(){return Ji.subVectors(this.c,this.b),wn.subVectors(this.a,this.b),Ji.cross(wn).length()*.5}getMidpoint(e){return e.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(e){return ei.getNormal(this.a,this.b,this.c,e)}getPlane(e){return e.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(e,t){return ei.getBarycoord(e,this.a,this.b,this.c,t)}getInterpolation(e,t,i,n,s){return ei.getInterpolation(e,this.a,this.b,this.c,t,i,n,s)}containsPoint(e){return ei.containsPoint(e,this.a,this.b,this.c)}isFrontFacing(e){return ei.isFrontFacing(this.a,this.b,this.c,e)}intersectsBox(e){return e.intersectsTriangle(this)}closestPointToPoint(e,t){let i=this.a,n=this.b,s=this.c,a,o;Ls.subVectors(n,i),Bs.subVectors(s,i),Uu.subVectors(e,i);let l=Ls.dot(Uu),c=Bs.dot(Uu);if(l<=0&&c<=0)return t.copy(i);Lu.subVectors(e,n);let h=Ls.dot(Lu),u=Bs.dot(Lu);if(h>=0&&u<=h)return t.copy(n);let d=l*u-h*c;if(d<=0&&l>=0&&h<=0)return a=l/(l-h),t.copy(i).addScaledVector(Ls,a);Bu.subVectors(e,s);let f=Ls.dot(Bu),m=Bs.dot(Bu);if(m>=0&&f<=m)return t.copy(s);let v=f*c-l*m;if(v<=0&&c>=0&&m<=0)return o=c/(c-m),t.copy(i).addScaledVector(Bs,o);let g=h*m-f*u;if(g<=0&&u-h>=0&&f-m>=0)return Vp.subVectors(s,n),o=(u-h)/(u-h+(f-m)),t.copy(n).addScaledVector(Vp,o);let p=1/(g+v+d);return a=v*p,o=d*p,t.copy(i).addScaledVector(Ls,a).addScaledVector(Bs,o)}equals(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}},Wp={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},Qn={h:0,s:0,l:0},Nl={h:0,s:0,l:0};function Hu(r,e,t){return t<0&&(t+=1),t>1&&(t-=1),t<1/6?r+(e-r)*6*t:t<1/2?e:t<2/3?r+(e-r)*6*(2/3-t):r}var re=class{constructor(e,t,i){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(e,t,i)}set(e,t,i){if(t===void 0&&i===void 0){let n=e;n&&n.isColor?this.copy(n):typeof n=="number"?this.setHex(n):typeof n=="string"&&this.setStyle(n)}else this.setRGB(e,t,i);return this}setScalar(e){return this.r=e,this.g=e,this.b=e,this}setHex(e,t=Oe){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(e&255)/255,et.toWorkingColorSpace(this,t),this}setRGB(e,t,i,n=et.workingColorSpace){return this.r=e,this.g=t,this.b=i,et.toWorkingColorSpace(this,n),this}setHSL(e,t,i,n=et.workingColorSpace){if(e=xu(e,1),t=Ge(t,0,1),i=Ge(i,0,1),t===0)this.r=this.g=this.b=i;else{let s=i<=.5?i*(1+t):i+t-i*t,a=2*i-s;this.r=Hu(a,s,e+1/3),this.g=Hu(a,s,e),this.b=Hu(a,s,e-1/3)}return et.toWorkingColorSpace(this,n),this}setStyle(e,t=Oe){function i(s){s!==void 0&&parseFloat(s)<1&&console.warn("THREE.Color: Alpha component of "+e+" will be ignored.")}let n;if(n=/^(\w+)\(([^\)]*)\)/.exec(e)){let s,a=n[1],o=n[2];switch(a){case"rgb":case"rgba":if(s=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return i(s[4]),this.setRGB(Math.min(255,parseInt(s[1],10))/255,Math.min(255,parseInt(s[2],10))/255,Math.min(255,parseInt(s[3],10))/255,t);if(s=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return i(s[4]),this.setRGB(Math.min(100,parseInt(s[1],10))/100,Math.min(100,parseInt(s[2],10))/100,Math.min(100,parseInt(s[3],10))/100,t);break;case"hsl":case"hsla":if(s=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return i(s[4]),this.setHSL(parseFloat(s[1])/360,parseFloat(s[2])/100,parseFloat(s[3])/100,t);break;default:console.warn("THREE.Color: Unknown color model "+e)}}else if(n=/^\#([A-Fa-f\d]+)$/.exec(e)){let s=n[1],a=s.length;if(a===3)return this.setRGB(parseInt(s.charAt(0),16)/15,parseInt(s.charAt(1),16)/15,parseInt(s.charAt(2),16)/15,t);if(a===6)return this.setHex(parseInt(s,16),t);console.warn("THREE.Color: Invalid hex color "+e)}else if(e&&e.length>0)return this.setColorName(e,t);return this}setColorName(e,t=Oe){let i=Wp[e.toLowerCase()];return i!==void 0?this.setHex(i,t):console.warn("THREE.Color: Unknown color "+e),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(e){return this.r=e.r,this.g=e.g,this.b=e.b,this}copySRGBToLinear(e){return this.r=Sn(e.r),this.g=Sn(e.g),this.b=Sn(e.b),this}copyLinearToSRGB(e){return this.r=Es(e.r),this.g=Es(e.g),this.b=Es(e.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(e=Oe){return et.fromWorkingColorSpace(ti.copy(this),e),Math.round(Ge(ti.r*255,0,255))*65536+Math.round(Ge(ti.g*255,0,255))*256+Math.round(Ge(ti.b*255,0,255))}getHexString(e=Oe){return("000000"+this.getHex(e).toString(16)).slice(-6)}getHSL(e,t=et.workingColorSpace){et.fromWorkingColorSpace(ti.copy(this),t);let i=ti.r,n=ti.g,s=ti.b,a=Math.max(i,n,s),o=Math.min(i,n,s),l,c,h=(o+a)/2;if(o===a)l=0,c=0;else{let u=a-o;switch(c=h<=.5?u/(a+o):u/(2-a-o),a){case i:l=(n-s)/u+(n0!=e>0&&this.version++,this._alphaTest=e}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(e){if(e!==void 0)for(let t in e){let i=e[t];if(i===void 0){console.warn(`THREE.Material: parameter '${t}' has value of undefined.`);continue}let n=this[t];if(n===void 0){console.warn(`THREE.Material: '${t}' is not a property of THREE.${this.type}.`);continue}n&&n.isColor?n.set(i):n&&n.isVector3&&i&&i.isVector3?n.copy(i):this[t]=i}}toJSON(e){let t=e===void 0||typeof e=="string";t&&(e={textures:{},images:{}});let i={metadata:{version:4.6,type:"Material",generator:"Material.toJSON"}};i.uuid=this.uuid,i.type=this.type,this.name!==""&&(i.name=this.name),this.color&&this.color.isColor&&(i.color=this.color.getHex()),this.roughness!==void 0&&(i.roughness=this.roughness),this.metalness!==void 0&&(i.metalness=this.metalness),this.sheen!==void 0&&(i.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(i.sheenColor=this.sheenColor.getHex()),this.sheenRoughness!==void 0&&(i.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(i.emissive=this.emissive.getHex()),this.emissiveIntensity!==void 0&&this.emissiveIntensity!==1&&(i.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(i.specular=this.specular.getHex()),this.specularIntensity!==void 0&&(i.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(i.specularColor=this.specularColor.getHex()),this.shininess!==void 0&&(i.shininess=this.shininess),this.clearcoat!==void 0&&(i.clearcoat=this.clearcoat),this.clearcoatRoughness!==void 0&&(i.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(i.clearcoatMap=this.clearcoatMap.toJSON(e).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(i.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(e).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(i.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(e).uuid,i.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.dispersion!==void 0&&(i.dispersion=this.dispersion),this.iridescence!==void 0&&(i.iridescence=this.iridescence),this.iridescenceIOR!==void 0&&(i.iridescenceIOR=this.iridescenceIOR),this.iridescenceThicknessRange!==void 0&&(i.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(i.iridescenceMap=this.iridescenceMap.toJSON(e).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(i.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(e).uuid),this.anisotropy!==void 0&&(i.anisotropy=this.anisotropy),this.anisotropyRotation!==void 0&&(i.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(i.anisotropyMap=this.anisotropyMap.toJSON(e).uuid),this.map&&this.map.isTexture&&(i.map=this.map.toJSON(e).uuid),this.matcap&&this.matcap.isTexture&&(i.matcap=this.matcap.toJSON(e).uuid),this.alphaMap&&this.alphaMap.isTexture&&(i.alphaMap=this.alphaMap.toJSON(e).uuid),this.lightMap&&this.lightMap.isTexture&&(i.lightMap=this.lightMap.toJSON(e).uuid,i.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(i.aoMap=this.aoMap.toJSON(e).uuid,i.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(i.bumpMap=this.bumpMap.toJSON(e).uuid,i.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(i.normalMap=this.normalMap.toJSON(e).uuid,i.normalMapType=this.normalMapType,i.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(i.displacementMap=this.displacementMap.toJSON(e).uuid,i.displacementScale=this.displacementScale,i.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(i.roughnessMap=this.roughnessMap.toJSON(e).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(i.metalnessMap=this.metalnessMap.toJSON(e).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(i.emissiveMap=this.emissiveMap.toJSON(e).uuid),this.specularMap&&this.specularMap.isTexture&&(i.specularMap=this.specularMap.toJSON(e).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(i.specularIntensityMap=this.specularIntensityMap.toJSON(e).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(i.specularColorMap=this.specularColorMap.toJSON(e).uuid),this.envMap&&this.envMap.isTexture&&(i.envMap=this.envMap.toJSON(e).uuid,this.combine!==void 0&&(i.combine=this.combine)),this.envMapRotation!==void 0&&(i.envMapRotation=this.envMapRotation.toArray()),this.envMapIntensity!==void 0&&(i.envMapIntensity=this.envMapIntensity),this.reflectivity!==void 0&&(i.reflectivity=this.reflectivity),this.refractionRatio!==void 0&&(i.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(i.gradientMap=this.gradientMap.toJSON(e).uuid),this.transmission!==void 0&&(i.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(i.transmissionMap=this.transmissionMap.toJSON(e).uuid),this.thickness!==void 0&&(i.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(i.thicknessMap=this.thicknessMap.toJSON(e).uuid),this.attenuationDistance!==void 0&&this.attenuationDistance!==1/0&&(i.attenuationDistance=this.attenuationDistance),this.attenuationColor!==void 0&&(i.attenuationColor=this.attenuationColor.getHex()),this.size!==void 0&&(i.size=this.size),this.shadowSide!==null&&(i.shadowSide=this.shadowSide),this.sizeAttenuation!==void 0&&(i.sizeAttenuation=this.sizeAttenuation),this.blending!==zn&&(i.blending=this.blending),this.side!==Ui&&(i.side=this.side),this.vertexColors===!0&&(i.vertexColors=!0),this.opacity<1&&(i.opacity=this.opacity),this.transparent===!0&&(i.transparent=!0),this.blendSrc!==ba&&(i.blendSrc=this.blendSrc),this.blendDst!==Ta&&(i.blendDst=this.blendDst),this.blendEquation!==_n&&(i.blendEquation=this.blendEquation),this.blendSrcAlpha!==null&&(i.blendSrcAlpha=this.blendSrcAlpha),this.blendDstAlpha!==null&&(i.blendDstAlpha=this.blendDstAlpha),this.blendEquationAlpha!==null&&(i.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(i.blendColor=this.blendColor.getHex()),this.blendAlpha!==0&&(i.blendAlpha=this.blendAlpha),this.depthFunc!==kn&&(i.depthFunc=this.depthFunc),this.depthTest===!1&&(i.depthTest=this.depthTest),this.depthWrite===!1&&(i.depthWrite=this.depthWrite),this.colorWrite===!1&&(i.colorWrite=this.colorWrite),this.stencilWriteMask!==255&&(i.stencilWriteMask=this.stencilWriteMask),this.stencilFunc!==bl&&(i.stencilFunc=this.stencilFunc),this.stencilRef!==0&&(i.stencilRef=this.stencilRef),this.stencilFuncMask!==255&&(i.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==Xn&&(i.stencilFail=this.stencilFail),this.stencilZFail!==Xn&&(i.stencilZFail=this.stencilZFail),this.stencilZPass!==Xn&&(i.stencilZPass=this.stencilZPass),this.stencilWrite===!0&&(i.stencilWrite=this.stencilWrite),this.rotation!==void 0&&this.rotation!==0&&(i.rotation=this.rotation),this.polygonOffset===!0&&(i.polygonOffset=!0),this.polygonOffsetFactor!==0&&(i.polygonOffsetFactor=this.polygonOffsetFactor),this.polygonOffsetUnits!==0&&(i.polygonOffsetUnits=this.polygonOffsetUnits),this.linewidth!==void 0&&this.linewidth!==1&&(i.linewidth=this.linewidth),this.dashSize!==void 0&&(i.dashSize=this.dashSize),this.gapSize!==void 0&&(i.gapSize=this.gapSize),this.scale!==void 0&&(i.scale=this.scale),this.dithering===!0&&(i.dithering=!0),this.alphaTest>0&&(i.alphaTest=this.alphaTest),this.alphaHash===!0&&(i.alphaHash=!0),this.alphaToCoverage===!0&&(i.alphaToCoverage=!0),this.premultipliedAlpha===!0&&(i.premultipliedAlpha=!0),this.forceSinglePass===!0&&(i.forceSinglePass=!0),this.wireframe===!0&&(i.wireframe=!0),this.wireframeLinewidth>1&&(i.wireframeLinewidth=this.wireframeLinewidth),this.wireframeLinecap!=="round"&&(i.wireframeLinecap=this.wireframeLinecap),this.wireframeLinejoin!=="round"&&(i.wireframeLinejoin=this.wireframeLinejoin),this.flatShading===!0&&(i.flatShading=!0),this.visible===!1&&(i.visible=!1),this.toneMapped===!1&&(i.toneMapped=!1),this.fog===!1&&(i.fog=!1),Object.keys(this.userData).length>0&&(i.userData=this.userData);function n(s){let a=[];for(let o in s){let l=s[o];delete l.metadata,a.push(l)}return a}if(t){let s=n(e.textures),a=n(e.images);s.length>0&&(i.textures=s),a.length>0&&(i.images=a)}return i}clone(){return new this.constructor().copy(this)}copy(e){this.name=e.name,this.blending=e.blending,this.side=e.side,this.vertexColors=e.vertexColors,this.opacity=e.opacity,this.transparent=e.transparent,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.blendColor.copy(e.blendColor),this.blendAlpha=e.blendAlpha,this.depthFunc=e.depthFunc,this.depthTest=e.depthTest,this.depthWrite=e.depthWrite,this.stencilWriteMask=e.stencilWriteMask,this.stencilFunc=e.stencilFunc,this.stencilRef=e.stencilRef,this.stencilFuncMask=e.stencilFuncMask,this.stencilFail=e.stencilFail,this.stencilZFail=e.stencilZFail,this.stencilZPass=e.stencilZPass,this.stencilWrite=e.stencilWrite;let t=e.clippingPlanes,i=null;if(t!==null){let n=t.length;i=new Array(n);for(let s=0;s!==n;++s)i[s]=t[s].clone()}return this.clippingPlanes=i,this.clipIntersection=e.clipIntersection,this.clipShadows=e.clipShadows,this.shadowSide=e.shadowSide,this.colorWrite=e.colorWrite,this.precision=e.precision,this.polygonOffset=e.polygonOffset,this.polygonOffsetFactor=e.polygonOffsetFactor,this.polygonOffsetUnits=e.polygonOffsetUnits,this.dithering=e.dithering,this.alphaTest=e.alphaTest,this.alphaHash=e.alphaHash,this.alphaToCoverage=e.alphaToCoverage,this.premultipliedAlpha=e.premultipliedAlpha,this.forceSinglePass=e.forceSinglePass,this.visible=e.visible,this.toneMapped=e.toneMapped,this.userData=JSON.parse(JSON.stringify(e.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(e){e===!0&&this.version++}onBuild(){console.warn("Material: onBuild() has been removed.")}},li=class extends St{constructor(e){super();this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new re(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new oi,this.combine=rs,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.envMapRotation.copy(e.envMapRotation),this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.fog=e.fog,this}},Rn=p0();function p0(){let r=new ArrayBuffer(4),e=new Float32Array(r),t=new Uint32Array(r),i=new Uint32Array(512),n=new Uint32Array(512);for(let l=0;l<256;++l){let c=l-127;c<-27?(i[l]=0,i[l|256]=32768,n[l]=24,n[l|256]=24):c<-14?(i[l]=1024>>-c-14,i[l|256]=1024>>-c-14|32768,n[l]=-c-1,n[l|256]=-c-1):c<=15?(i[l]=c+15<<10,i[l|256]=c+15<<10|32768,n[l]=13,n[l|256]=13):c<128?(i[l]=31744,i[l|256]=64512,n[l]=24,n[l|256]=24):(i[l]=31744,i[l|256]=64512,n[l]=13,n[l|256]=13)}let s=new Uint32Array(2048),a=new Uint32Array(64),o=new Uint32Array(64);for(let l=1;l<1024;++l){let c=l<<13,h=0;for(;(c&8388608)==0;)c<<=1,h-=8388608;c&=~8388608,h+=947912704,s[l]=c|h}for(let l=1024;l<2048;++l)s[l]=939524096+(l-1024<<13);for(let l=1;l<31;++l)a[l]=l<<23;a[31]=1199570944,a[32]=2147483648;for(let l=33;l<63;++l)a[l]=2147483648+(l-32<<23);a[63]=3347054592;for(let l=1;l<64;++l)l!==32&&(o[l]=1024);return{floatView:e,uint32View:t,baseTable:i,shiftTable:n,mantissaTable:s,exponentTable:a,offsetTable:o}}function fi(r){Math.abs(r)>65504&&console.warn("THREE.DataUtils.toHalfFloat(): Value out of range."),r=Ge(r,-65504,65504),Rn.floatView[0]=r;let e=Rn.uint32View[0],t=e>>23&511;return Rn.baseTable[t]+((e&8388607)>>Rn.shiftTable[t])}function So(r){let e=r>>10;return Rn.uint32View[0]=Rn.mantissaTable[Rn.offsetTable[e]+(r&1023)]+Rn.exponentTable[e],Rn.floatView[0]}var Xp={toHalfFloat:fi,fromHalfFloat:So},Ot=new b,Fl=new z,m0=0,Ce=class{constructor(e,t,i=!1){if(Array.isArray(e))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,Object.defineProperty(this,"id",{value:m0++}),this.name="",this.array=e,this.itemSize=t,this.count=e!==void 0?e.length/t:0,this.normalized=i,this.usage=_s,this.updateRanges=[],this.gpuType=Kt,this.version=0}onUploadCallback(){}set needsUpdate(e){e===!0&&this.version++}setUsage(e){return this.usage=e,this}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}copy(e){return this.name=e.name,this.array=new e.array.constructor(e.array),this.itemSize=e.itemSize,this.count=e.count,this.normalized=e.normalized,this.usage=e.usage,this.gpuType=e.gpuType,this}copyAt(e,t,i){e*=this.itemSize,i*=t.itemSize;for(let n=0,s=this.itemSize;nt.count&&console.warn("THREE.BufferGeometry: Buffer size too small for points data. 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u=0,d=c.length;u0&&(n[l]=h,s=!0)}s&&(e.data.morphAttributes=n,e.data.morphTargetsRelative=this.morphTargetsRelative);let a=this.groups;a.length>0&&(e.data.groups=JSON.parse(JSON.stringify(a)));let o=this.boundingSphere;return o!==null&&(e.data.boundingSphere={center:o.center.toArray(),radius:o.radius}),e}clone(){return new this.constructor().copy(this)}copy(e){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;let t={};this.name=e.name;let i=e.index;i!==null&&this.setIndex(i.clone(t));let n=e.attributes;for(let c in n){let h=n[c];this.setAttribute(c,h.clone(t))}let s=e.morphAttributes;for(let c in s){let h=[],u=s[c];for(let d=0,f=u.length;d0){let n=t[i[0]];if(n!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let s=0,a=n.length;srn(e.far-e.near,2)))&&(Yp.copy(s).invert(),yr.copy(e.ray).applyMatrix4(Yp),!(i.boundingBox!==null&&yr.intersectsBox(i.boundingBox)===!1)&&this._computeIntersections(e,t,yr)))}_computeIntersections(e,t,i){let n,s=this.geometry,a=this.material,o=s.index,l=s.attributes.position,c=s.attributes.uv,h=s.attributes.uv1,u=s.attributes.normal,d=s.groups,f=s.drawRange;if(o!==null)if(Array.isArray(a))for(let m=0,v=d.length;mt.far?null:{distance:c,point:Wl.clone(),object:r}}function Xl(r,e,t,i,n,s,a,o,l,c){r.getVertexPosition(o,zl),r.getVertexPosition(l,kl),r.getVertexPosition(c,Gl);let h=v0(r,e,t,i,zl,kl,Gl,qp);if(h){let u=new b;ei.getBarycoord(qp,zl,kl,Gl,u),n&&(h.uv=ei.getInterpolatedAttribute(n,o,l,c,u,new z)),s&&(h.uv1=ei.getInterpolatedAttribute(s,o,l,c,u,new z)),a&&(h.normal=ei.getInterpolatedAttribute(a,o,l,c,u,new b),h.normal.dot(i.direction)>0&&h.normal.multiplyScalar(-1));let d={a:o,b:l,c,normal:new b,materialIndex:0};ei.getNormal(zl,kl,Gl,d.normal),h.face=d,h.barycoord=u}return h}var Dn=class extends we{constructor(e=1,t=1,i=1,n=1,s=1,a=1){super();this.type="BoxGeometry",this.parameters={width:e,height:t,depth:i,widthSegments:n,heightSegments:s,depthSegments:a};let o=this;n=Math.floor(n),s=Math.floor(s),a=Math.floor(a);let l=[],c=[],h=[],u=[],d=0,f=0;m("z","y","x",-1,-1,i,t,e,a,s,0),m("z","y","x",1,-1,i,t,-e,a,s,1),m("x","z","y",1,1,e,i,t,n,a,2),m("x","z","y",1,-1,e,i,-t,n,a,3),m("x","y","z",1,-1,e,t,i,n,s,4),m("x","y","z",-1,-1,e,t,-i,n,s,5),this.setIndex(l),this.setAttribute("position",new me(c,3)),this.setAttribute("normal",new me(h,3)),this.setAttribute("uv",new me(u,2));function m(v,g,p,y,x,_,D,T,R,P,M){let A=_/R,I=D/P,k=_/2,N=D/2,G=T/2,Z=R+1,V=P+1,ne=0,W=0,ce=new b;for(let ve=0;ve0?1:-1,h.push(ce.x,ce.y,ce.z),u.push(Ve/R),u.push(1-ve/P),ne+=1}}for(let ve=0;ve0&&(t.defines=this.defines),t.vertexShader=this.vertexShader,t.fragmentShader=this.fragmentShader;let n={};for(let i in this.extensions)this.extensions[i]===!0&&(n[i]=!0);return Object.keys(n).length>0&&(t.extensions=n),t}};Ye.prototype.isShaderMaterial=!0;var oi=class extends _e{constructor(){super();this.type="Camera",this.matrixWorldInverse=new ge,this.projectionMatrix=new ge,this.projectionMatrixInverse=new ge}copy(e,t){return super.copy(e,t),this.matrixWorldInverse.copy(e.matrixWorldInverse),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this}getWorldDirection(e){this.updateWorldMatrix(!0,!1);let t=this.matrixWorld.elements;return e.set(-t[8],-t[9],-t[10]).normalize()}updateMatrixWorld(e){super.updateMatrixWorld(e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(e,t){super.updateWorldMatrix(e,t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return new this.constructor().copy(this)}};oi.prototype.isCamera=!0;var ct=class extends oi{constructor(e=50,t=1,n=.1,i=2e3){super();this.type="PerspectiveCamera",this.fov=e,this.zoom=1,this.near=n,this.far=i,this.focus=10,this.aspect=t,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.fov=e.fov,this.zoom=e.zoom,this.near=e.near,this.far=e.far,this.focus=e.focus,this.aspect=e.aspect,this.view=e.view===null?null:Object.assign({},e.view),this.filmGauge=e.filmGauge,this.filmOffset=e.filmOffset,this}setFocalLength(e){let t=.5*this.getFilmHeight()/e;this.fov=Ds*2*Math.atan(t),this.updateProjectionMatrix()}getFocalLength(){let e=Math.tan(Oi*.5*this.fov);return .5*this.getFilmHeight()/e}getEffectiveFOV(){return Ds*2*Math.atan(Math.tan(Oi*.5*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}setViewOffset(e,t,n,i,s,a){this.aspect=e/t,this.view===null&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=i,this.view.width=s,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){this.view!==null&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){let e=this.near,t=e*Math.tan(Oi*.5*this.fov)/this.zoom,n=2*t,i=this.aspect*n,s=-.5*i,a=this.view;if(this.view!==null&&this.view.enabled){let l=a.fullWidth,c=a.fullHeight;s+=a.offsetX*i/l,t-=a.offsetY*n/c,i*=a.width/l,n*=a.height/c}let o=this.filmOffset;o!==0&&(s+=e*o/this.getFilmWidth()),this.projectionMatrix.makePerspective(s,s+i,t,t-n,e,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){let t=super.toJSON(e);return t.object.fov=this.fov,t.object.zoom=this.zoom,t.object.near=this.near,t.object.far=this.far,t.object.focus=this.focus,t.object.aspect=this.aspect,this.view!==null&&(t.object.view=Object.assign({},this.view)),t.object.filmGauge=this.filmGauge,t.object.filmOffset=this.filmOffset,t}};ct.prototype.isPerspectiveCamera=!0;var Tr=90,Cr=1,Os=class extends _e{constructor(e,t,n){super();if(this.type="CubeCamera",n.isWebGLCubeRenderTarget!==!0){console.error("THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.");return}this.renderTarget=n;let i=new ct(Tr,Cr,e,t);i.layers=this.layers,i.up.set(0,-1,0),i.lookAt(new A(1,0,0)),this.add(i);let s=new ct(Tr,Cr,e,t);s.layers=this.layers,s.up.set(0,-1,0),s.lookAt(new A(-1,0,0)),this.add(s);let a=new ct(Tr,Cr,e,t);a.layers=this.layers,a.up.set(0,0,1),a.lookAt(new A(0,1,0)),this.add(a);let o=new ct(Tr,Cr,e,t);o.layers=this.layers,o.up.set(0,0,-1),o.lookAt(new A(0,-1,0)),this.add(o);let l=new ct(Tr,Cr,e,t);l.layers=this.layers,l.up.set(0,-1,0),l.lookAt(new A(0,0,1)),this.add(l);let c=new ct(Tr,Cr,e,t);c.layers=this.layers,c.up.set(0,-1,0),c.lookAt(new A(0,0,-1)),this.add(c)}update(e,t){this.parent===null&&this.updateMatrixWorld();let n=this.renderTarget,[i,s,a,o,l,c]=this.children,u=e.xr.enabled,h=e.getRenderTarget();e.xr.enabled=!1;let d=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,e.setRenderTarget(n,0),e.render(t,i),e.setRenderTarget(n,1),e.render(t,s),e.setRenderTarget(n,2),e.render(t,a),e.setRenderTarget(n,3),e.render(t,o),e.setRenderTarget(n,4),e.render(t,l),n.texture.generateMipmaps=d,e.setRenderTarget(n,5),e.render(t,c),e.setRenderTarget(h),e.xr.enabled=u}},Gi=class extends ot{constructor(e,t,n,i,s,a,o,l,c,u){e=e!==void 0?e:[],t=t!==void 0?t:Di;super(e,t,n,i,s,a,o,l,c,u);this.flipY=!1}get images(){return this.image}set images(e){this.image=e}};Gi.prototype.isCubeTexture=!0;var Ns=class extends We{constructor(e,t,n){Number.isInteger(t)&&(console.warn("THREE.WebGLCubeRenderTarget: constructor signature is now WebGLCubeRenderTarget( size, options )"),t=n);super(e,e,t);t=t||{},this.texture=new Gi(void 0,t.mapping,t.wrapS,t.wrapT,t.magFilter,t.minFilter,t.format,t.type,t.anisotropy,t.encoding),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=t.generateMipmaps!==void 0?t.generateMipmaps:!1,this.texture.minFilter=t.minFilter!==void 0?t.minFilter:et,this.texture._needsFlipEnvMap=!1}fromEquirectangularTexture(e,t){this.texture.type=t.type,this.texture.format=Tt,this.texture.encoding=t.encoding,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;let n={uniforms:{tEquirect:{value:null}},vertexShader:` +}`,Ke=class extends St{constructor(e){super();this.isShaderMaterial=!0,this.type="ShaderMaterial",this.defines={},this.uniforms={},this.uniformsGroups=[],this.vertexShader=_0,this.fragmentShader=y0,this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.forceSinglePass=!0,this.extensions={clipCullDistance:!1,multiDraw:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv1:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,e!==void 0&&this.setValues(e)}copy(e){return super.copy(e),this.fragmentShader=e.fragmentShader,this.vertexShader=e.vertexShader,this.uniforms=Ar(e.uniforms),this.uniformsGroups=x0(e.uniformsGroups),this.defines=Object.assign({},e.defines),this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.fog=e.fog,this.lights=e.lights,this.clipping=e.clipping,this.extensions=Object.assign({},e.extensions),this.glslVersion=e.glslVersion,this}toJSON(e){let t=super.toJSON(e);t.glslVersion=this.glslVersion,t.uniforms={};for(let n in this.uniforms){let a=this.uniforms[n].value;a&&a.isTexture?t.uniforms[n]={type:"t",value:a.toJSON(e).uuid}:a&&a.isColor?t.uniforms[n]={type:"c",value:a.getHex()}:a&&a.isVector2?t.uniforms[n]={type:"v2",value:a.toArray()}:a&&a.isVector3?t.uniforms[n]={type:"v3",value:a.toArray()}:a&&a.isVector4?t.uniforms[n]={type:"v4",value:a.toArray()}:a&&a.isMatrix3?t.uniforms[n]={type:"m3",value:a.toArray()}:a&&a.isMatrix4?t.uniforms[n]={type:"m4",value:a.toArray()}:t.uniforms[n]={value:a}}Object.keys(this.defines).length>0&&(t.defines=this.defines),t.vertexShader=this.vertexShader,t.fragmentShader=this.fragmentShader,t.lights=this.lights,t.clipping=this.clipping;let i={};for(let n in this.extensions)this.extensions[n]===!0&&(i[n]=!0);return Object.keys(i).length>0&&(t.extensions=i),t}},Kn=class extends Xe{constructor(){super();this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new Le,this.projectionMatrix=new Le,this.projectionMatrixInverse=new Le,this.coordinateSystem=Ni}copy(e,t){return super.copy(e,t),this.matrixWorldInverse.copy(e.matrixWorldInverse),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this.coordinateSystem=e.coordinateSystem,this}getWorldDirection(e){return super.getWorldDirection(e).negate()}updateMatrixWorld(e){super.updateMatrixWorld(e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(e,t){super.updateWorldMatrix(e,t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return new this.constructor().copy(this)}},Jn=new b,Zp=new z,Qp=new z,Tt=class extends Kn{constructor(e=50,t=1,i=.1,n=2e3){super();this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=e,this.zoom=1,this.near=i,this.far=n,this.focus=10,this.aspect=t,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.fov=e.fov,this.zoom=e.zoom,this.near=e.near,this.far=e.far,this.focus=e.focus,this.aspect=e.aspect,this.view=e.view===null?null:Object.assign({},e.view),this.filmGauge=e.filmGauge,this.filmOffset=e.filmOffset,this}setFocalLength(e){let t=.5*this.getFilmHeight()/e;this.fov=mr*2*Math.atan(t),this.updateProjectionMatrix()}getFocalLength(){let e=Math.tan(pr*.5*this.fov);return .5*this.getFilmHeight()/e}getEffectiveFOV(){return mr*2*Math.atan(Math.tan(pr*.5*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(e,t,i){Jn.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),t.set(Jn.x,Jn.y).multiplyScalar(-e/Jn.z),Jn.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),i.set(Jn.x,Jn.y).multiplyScalar(-e/Jn.z)}getViewSize(e,t){return this.getViewBounds(e,Zp,Qp),t.subVectors(Qp,Zp)}setViewOffset(e,t,i,n,s,a){this.aspect=e/t,this.view===null&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=i,this.view.offsetY=n,this.view.width=s,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){this.view!==null&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){let e=this.near,t=e*Math.tan(pr*.5*this.fov)/this.zoom,i=2*t,n=this.aspect*i,s=-.5*n,a=this.view;if(this.view!==null&&this.view.enabled){let l=a.fullWidth,c=a.fullHeight;s+=a.offsetX*n/l,t-=a.offsetY*i/c,n*=a.width/l,i*=a.height/c}let o=this.filmOffset;o!==0&&(s+=e*o/this.getFilmWidth()),this.projectionMatrix.makePerspective(s,s+n,t,t-i,e,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){let t=super.toJSON(e);return t.object.fov=this.fov,t.object.zoom=this.zoom,t.object.near=this.near,t.object.far=this.far,t.object.focus=this.focus,t.object.aspect=this.aspect,this.view!==null&&(t.object.view=Object.assign({},this.view)),t.object.filmGauge=this.filmGauge,t.object.filmOffset=this.filmOffset,t}},Ns=-90,Fs=1,Yl=class extends Xe{constructor(e,t,i){super();this.type="CubeCamera",this.renderTarget=i,this.coordinateSystem=null,this.activeMipmapLevel=0;let n=new Tt(Ns,Fs,e,t);n.layers=this.layers,this.add(n);let s=new Tt(Ns,Fs,e,t);s.layers=this.layers,this.add(s);let a=new Tt(Ns,Fs,e,t);a.layers=this.layers,this.add(a);let o=new Tt(Ns,Fs,e,t);o.layers=this.layers,this.add(o);let l=new Tt(Ns,Fs,e,t);l.layers=this.layers,this.add(l);let c=new Tt(Ns,Fs,e,t);c.layers=this.layers,this.add(c)}updateCoordinateSystem(){let e=this.coordinateSystem,t=this.children.concat(),[i,n,s,a,o,l]=t;for(let c of t)this.remove(c);if(e===Ni)i.up.set(0,1,0),i.lookAt(1,0,0),n.up.set(0,1,0),n.lookAt(-1,0,0),s.up.set(0,0,-1),s.lookAt(0,1,0),a.up.set(0,0,1),a.lookAt(0,-1,0),o.up.set(0,1,0),o.lookAt(0,0,1),l.up.set(0,1,0),l.lookAt(0,0,-1);else if(e===ys)i.up.set(0,-1,0),i.lookAt(-1,0,0),n.up.set(0,-1,0),n.lookAt(1,0,0),s.up.set(0,0,1),s.lookAt(0,1,0),a.up.set(0,0,-1),a.lookAt(0,-1,0),o.up.set(0,-1,0),o.lookAt(0,0,1),l.up.set(0,-1,0),l.lookAt(0,0,-1);else throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+e);for(let c of t)this.add(c),c.updateMatrixWorld()}update(e,t){this.parent===null&&this.updateMatrixWorld();let{renderTarget:i,activeMipmapLevel:n}=this;this.coordinateSystem!==e.coordinateSystem&&(this.coordinateSystem=e.coordinateSystem,this.updateCoordinateSystem());let[s,a,o,l,c,h]=this.children,u=e.getRenderTarget(),d=e.getActiveCubeFace(),f=e.getActiveMipmapLevel(),m=e.xr.enabled;e.xr.enabled=!1;let v=i.texture.generateMipmaps;i.texture.generateMipmaps=!1,e.setRenderTarget(i,0,n),e.render(t,s),e.setRenderTarget(i,1,n),e.render(t,a),e.setRenderTarget(i,2,n),e.render(t,o),e.setRenderTarget(i,3,n),e.render(t,l),e.setRenderTarget(i,4,n),e.render(t,c),i.texture.generateMipmaps=v,e.setRenderTarget(i,5,n),e.render(t,h),e.setRenderTarget(u,d,f),e.xr.enabled=m,i.texture.needsPMREMUpdate=!0}},Sr=class extends pt{constructor(e,t,i,n,s,a,o,l,c,h){e=e!==void 0?e:[],t=t!==void 0?t:on;super(e,t,i,n,s,a,o,l,c,h);this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(e){this.image=e}},jl=class extends mt{constructor(e=1,t={}){super(e,e,t);this.isWebGLCubeRenderTarget=!0;let i={width:e,height:e,depth:1},n=[i,i,i,i,i,i];this.texture=new Sr(n,t.mapping,t.wrapS,t.wrapT,t.magFilter,t.minFilter,t.format,t.type,t.anisotropy,t.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=t.generateMipmaps!==void 0?t.generateMipmaps:!1,this.texture.minFilter=t.minFilter!==void 0?t.minFilter:xt}fromEquirectangularTexture(e,t){this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;let i={uniforms:{tEquirect:{value:null}},vertexShader:` varying vec3 vWorldDirection; @@ -37,106 +37,115 @@ var Spacekit=(()=>{var gm=Object.create;var ys=Object.defineProperty;var vm=Obje gl_FragColor = texture2D( tEquirect, sampleUV ); } - `},i=new Gn(5,5,5),s=new Ye({name:"CubemapFromEquirect",uniforms:_r(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:Qe,blending:xt});s.uniforms.tEquirect.value=t;let a=new ze(i,s),o=t.minFilter;return t.minFilter===Pi&&(t.minFilter=et),new Os(1,10,this).update(e,a),t.minFilter=o,a.geometry.dispose(),a.material.dispose(),this}clear(e,t,n,i){let s=e.getRenderTarget();for(let a=0;a<6;a++)e.setRenderTarget(this,a),e.clear(t,n,i);e.setRenderTarget(s)}};Ns.prototype.isWebGLCubeRenderTarget=!0;var lc=new A,Cg=new A,Dg=new Et,fn=class{constructor(e=new A(1,0,0),t=0){this.normal=e,this.constant=t}set(e,t){return this.normal.copy(e),this.constant=t,this}setComponents(e,t,n,i){return this.normal.set(e,t,n),this.constant=i,this}setFromNormalAndCoplanarPoint(e,t){return this.normal.copy(e),this.constant=-t.dot(this.normal),this}setFromCoplanarPoints(e,t,n){let i=lc.subVectors(n,t).cross(Cg.subVectors(e,t)).normalize();return this.setFromNormalAndCoplanarPoint(i,e),this}copy(e){return this.normal.copy(e.normal),this.constant=e.constant,this}normalize(){let e=1/this.normal.length();return this.normal.multiplyScalar(e),this.constant*=e,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(e){return this.normal.dot(e)+this.constant}distanceToSphere(e){return this.distanceToPoint(e.center)-e.radius}projectPoint(e,t){return t.copy(this.normal).multiplyScalar(-this.distanceToPoint(e)).add(e)}intersectLine(e,t){let n=e.delta(lc),i=this.normal.dot(n);if(i===0)return this.distanceToPoint(e.start)===0?t.copy(e.start):null;let s=-(e.start.dot(this.normal)+this.constant)/i;return s<0||s>1?null:t.copy(n).multiplyScalar(s).add(e.start)}intersectsLine(e){let t=this.distanceToPoint(e.start),n=this.distanceToPoint(e.end);return t<0&&n>0||n<0&&t>0}intersectsBox(e){return e.intersectsPlane(this)}intersectsSphere(e){return e.intersectsPlane(this)}coplanarPoint(e){return e.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(e,t){let n=t||Dg.getNormalMatrix(e),i=this.coplanarPoint(lc).applyMatrix4(e),s=this.normal.applyMatrix3(n).normalize();return this.constant=-i.dot(s),this}translate(e){return this.constant-=e.dot(this.normal),this}equals(e){return e.normal.equals(this.normal)&&e.constant===this.constant}clone(){return new this.constructor().copy(this)}};fn.prototype.isPlane=!0;var Dr=new Un,ja=new A,Rr=class{constructor(e=new fn,t=new fn,n=new fn,i=new fn,s=new fn,a=new fn){this.planes=[e,t,n,i,s,a]}set(e,t,n,i,s,a){let o=this.planes;return o[0].copy(e),o[1].copy(t),o[2].copy(n),o[3].copy(i),o[4].copy(s),o[5].copy(a),this}copy(e){let t=this.planes;for(let n=0;n<6;n++)t[n].copy(e.planes[n]);return this}setFromProjectionMatrix(e){let t=this.planes,n=e.elements,i=n[0],s=n[1],a=n[2],o=n[3],l=n[4],c=n[5],u=n[6],h=n[7],d=n[8],f=n[9],p=n[10],v=n[11],x=n[12],g=n[13],m=n[14],b=n[15];return t[0].setComponents(o-i,h-l,v-d,b-x).normalize(),t[1].setComponents(o+i,h+l,v+d,b+x).normalize(),t[2].setComponents(o+s,h+c,v+f,b+g).normalize(),t[3].setComponents(o-s,h-c,v-f,b-g).normalize(),t[4].setComponents(o-a,h-u,v-p,b-m).normalize(),t[5].setComponents(o+a,h+u,v+p,b+m).normalize(),this}intersectsObject(e){let t=e.geometry;return t.boundingSphere===null&&t.computeBoundingSphere(),Dr.copy(t.boundingSphere).applyMatrix4(e.matrixWorld),this.intersectsSphere(Dr)}intersectsSprite(e){return Dr.center.set(0,0,0),Dr.radius=.7071067811865476,Dr.applyMatrix4(e.matrixWorld),this.intersectsSphere(Dr)}intersectsSphere(e){let t=this.planes,n=e.center,i=-e.radius;for(let s=0;s<6;s++)if(t[s].distanceToPoint(n)0?e.max.x:e.min.x,ja.y=i.normal.y>0?e.max.y:e.min.y,ja.z=i.normal.z>0?e.max.z:e.min.z,i.distanceToPoint(ja)<0)return!1}return!0}containsPoint(e){let t=this.planes;for(let n=0;n<6;n++)if(t[n].distanceToPoint(e)<0)return!1;return!0}clone(){return new this.constructor().copy(this)}};function _d(){let r=null,e=!1,t=null,n=null;function i(s,a){t(s,a),n=r.requestAnimationFrame(i)}return{start:function(){e!==!0&&t!==null&&(n=r.requestAnimationFrame(i),e=!0)},stop:function(){r.cancelAnimationFrame(n),e=!1},setAnimationLoop:function(s){t=s},setContext:function(s){r=s}}}function Rg(r,e){let t=e.isWebGL2,n=new WeakMap;function i(c,u){let h=c.array,d=c.usage,f=r.createBuffer();r.bindBuffer(u,f),r.bufferData(u,h,d),c.onUploadCallback();let p=5126;return h instanceof Float32Array?p=5126:h instanceof Float64Array?console.warn("THREE.WebGLAttributes: Unsupported data buffer format: Float64Array."):h instanceof Uint16Array?c.isFloat16BufferAttribute?t?p=5131:console.warn("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2."):p=5123:h instanceof Int16Array?p=5122:h instanceof Uint32Array?p=5125:h instanceof Int32Array?p=5124:h instanceof Int8Array?p=5120:(h instanceof Uint8Array||h instanceof Uint8ClampedArray)&&(p=5121),{buffer:f,type:p,bytesPerElement:h.BYTES_PER_ELEMENT,version:c.version}}function s(c,u,h){let d=u.array,f=u.updateRange;r.bindBuffer(h,c),f.count===-1?r.bufferSubData(h,0,d):(t?r.bufferSubData(h,f.offset*d.BYTES_PER_ELEMENT,d,f.offset,f.count):r.bufferSubData(h,f.offset*d.BYTES_PER_ELEMENT,d.subarray(f.offset,f.offset+f.count)),f.count=-1)}function a(c){return c.isInterleavedBufferAttribute&&(c=c.data),n.get(c)}function o(c){c.isInterleavedBufferAttribute&&(c=c.data);let u=n.get(c);u&&(r.deleteBuffer(u.buffer),n.delete(c))}function l(c,u){if(c.isGLBufferAttribute){let d=n.get(c);(!d||d.versionf+m?(c.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:e.handedness,target:this})):!c.inputState.pinching&&d<=f-m&&(c.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:e.handedness,target:this}))}else l!==null&&e.gripSpace&&(s=t.getPose(e.gripSpace,i),s!==null&&(l.matrix.fromArray(s.transform.matrix),l.matrix.decompose(l.position,l.rotation,l.scale),l.matrixWorldNeedsUpdate=!0,s.linearVelocity?(l.hasLinearVelocity=!0,l.linearVelocity.copy(s.linearVelocity)):l.hasLinearVelocity=!1,s.angularVelocity?(l.hasAngularVelocity=!0,l.angularVelocity.copy(s.angularVelocity)):l.hasAngularVelocity=!1));o!==null&&(n=t.getPose(e.targetRaySpace,i),n===null&&s!==null&&(n=s),n!==null&&(o.matrix.fromArray(n.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),o.matrixWorldNeedsUpdate=!0,n.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(n.linearVelocity)):o.hasLinearVelocity=!1,n.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(n.angularVelocity)):o.hasAngularVelocity=!1,this.dispatchEvent(A0)))}return o!==null&&(o.visible=n!==null),l!==null&&(l.visible=s!==null),c!==null&&(c.visible=a!==null),this}_getHandJoint(e,t){if(e.joints[t.jointName]===void 0){let i=new un;i.matrixAutoUpdate=!1,i.visible=!1,e.joints[t.jointName]=i,e.add(i)}return e.joints[t.jointName]}},zs=class{constructor(e,t=25e-5){this.isFogExp2=!0,this.name="",this.color=new re(e),this.density=t}clone(){return new zs(this.color,this.density)}toJSON(){return{type:"FogExp2",name:this.name,color:this.color.getHex(),density:this.density}}},ks=class{constructor(e,t=1,i=1e3){this.isFog=!0,this.name="",this.color=new re(e),this.near=t,this.far=i}clone(){return new ks(this.color,this.near,this.far)}toJSON(){return{type:"Fog",name:this.name,color:this.color.getHex(),near:this.near,far:this.far}}},Pn=class extends Xe{constructor(){super();this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,this.backgroundRotation=new oi,this.environmentIntensity=1,this.environmentRotation=new oi,this.overrideMaterial=null,typeof __THREE_DEVTOOLS__!="undefined"&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(e,t){return super.copy(e,t),e.background!==null&&(this.background=e.background.clone()),e.environment!==null&&(this.environment=e.environment.clone()),e.fog!==null&&(this.fog=e.fog.clone()),this.backgroundBlurriness=e.backgroundBlurriness,this.backgroundIntensity=e.backgroundIntensity,this.backgroundRotation.copy(e.backgroundRotation),this.environmentIntensity=e.environmentIntensity,this.environmentRotation.copy(e.environmentRotation),e.overrideMaterial!==null&&(this.overrideMaterial=e.overrideMaterial.clone()),this.matrixAutoUpdate=e.matrixAutoUpdate,this}toJSON(e){let t=super.toJSON(e);return this.fog!==null&&(t.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(t.object.backgroundBlurriness=this.backgroundBlurriness),this.backgroundIntensity!==1&&(t.object.backgroundIntensity=this.backgroundIntensity),t.object.backgroundRotation=this.backgroundRotation.toArray(),this.environmentIntensity!==1&&(t.object.environmentIntensity=this.environmentIntensity),t.object.environmentRotation=this.environmentRotation.toArray(),t}},Gs=class{constructor(e,t){this.isInterleavedBuffer=!0,this.array=e,this.stride=t,this.count=e!==void 0?e.length/t:0,this.usage=_s,this.updateRanges=[],this.version=0,this.uuid=Ai()}onUploadCallback(){}set needsUpdate(e){e===!0&&this.version++}setUsage(e){return this.usage=e,this}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}copy(e){return this.array=new e.array.constructor(e.array),this.count=e.count,this.stride=e.stride,this.usage=e.usage,this}copyAt(e,t,i){e*=this.stride,i*=t.stride;for(let n=0,s=this.stride;ne.far||t.push({distance:l,point:wo.clone(),uv:ei.getInterpolation(wo,ql,Ro,Zl,Jp,Zu,$p,new z),face:null,object:this})}copy(e,t){return super.copy(e,t),e.center!==void 0&&this.center.copy(e.center),this.material=e.material,this}};function Ql(r,e,t,i,n,s){Ys.subVectors(r,t).addScalar(.5).multiply(i),n!==void 0?(Co.x=s*Ys.x-n*Ys.y,Co.y=n*Ys.x+s*Ys.y):Co.copy(Ys),r.copy(e),r.x+=Co.x,r.y+=Co.y,r.applyMatrix4(Kp)}var Kl=new b,em=new b,Er=class extends Xe{constructor(){super();this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]},isLOD:{value:!0}}),this.autoUpdate=!0}copy(e){super.copy(e,!1);let t=e.levels;for(let i=0,n=t.length;i0){let i,n;for(i=1,n=t.length;i0){Kl.setFromMatrixPosition(this.matrixWorld);let n=e.ray.origin.distanceTo(Kl);this.getObjectForDistance(n).raycast(e,t)}}update(e){let t=this.levels;if(t.length>1){Kl.setFromMatrixPosition(e.matrixWorld),em.setFromMatrixPosition(this.matrixWorld);let i=Kl.distanceTo(em)/e.zoom;t[0].object.visible=!0;let n,s;for(n=1,s=t.length;n=a)t[n-1].object.visible=!1,t[n].object.visible=!0;else break}for(this._currentLevel=n-1;n1?null:t.copy(e.start).addScaledVector(i,s)}intersectsLine(e){let t=this.distanceToPoint(e.start),i=this.distanceToPoint(e.end);return t<0&&i>0||i<0&&t>0}intersectsBox(e){return e.intersectsPlane(this)}intersectsSphere(e){return e.intersectsPlane(this)}coplanarPoint(e){return e.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(e,t){let i=t||T0.getNormalMatrix(e),n=this.coplanarPoint(Ju).applyMatrix4(e),s=this.normal.applyMatrix3(i).normalize();return this.constant=-n.dot(s),this}translate(e){return this.constant-=e.dot(this.normal),this}equals(e){return e.normal.equals(this.normal)&&e.constant===this.constant}clone(){return new this.constructor().copy(this)}},Mr=new Bt,ic=new b,br=class{constructor(e=new zi,t=new zi,i=new zi,n=new zi,s=new zi,a=new zi){this.planes=[e,t,i,n,s,a]}set(e,t,i,n,s,a){let o=this.planes;return o[0].copy(e),o[1].copy(t),o[2].copy(i),o[3].copy(n),o[4].copy(s),o[5].copy(a),this}copy(e){let t=this.planes;for(let i=0;i<6;i++)t[i].copy(e.planes[i]);return this}setFromProjectionMatrix(e,t=Ni){let i=this.planes,n=e.elements,s=n[0],a=n[1],o=n[2],l=n[3],c=n[4],h=n[5],u=n[6],d=n[7],f=n[8],m=n[9],v=n[10],g=n[11],p=n[12],y=n[13],x=n[14],_=n[15];if(i[0].setComponents(l-s,d-c,g-f,_-p).normalize(),i[1].setComponents(l+s,d+c,g+f,_+p).normalize(),i[2].setComponents(l+a,d+h,g+m,_+y).normalize(),i[3].setComponents(l-a,d-h,g-m,_-y).normalize(),i[4].setComponents(l-o,d-u,g-v,_-x).normalize(),t===Ni)i[5].setComponents(l+o,d+u,g+v,_+x).normalize();else if(t===ys)i[5].setComponents(o,u,v,x).normalize();else throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+t);return this}intersectsObject(e){if(e.boundingSphere!==void 0)e.boundingSphere===null&&e.computeBoundingSphere(),Mr.copy(e.boundingSphere).applyMatrix4(e.matrixWorld);else{let t=e.geometry;t.boundingSphere===null&&t.computeBoundingSphere(),Mr.copy(t.boundingSphere).applyMatrix4(e.matrixWorld)}return this.intersectsSphere(Mr)}intersectsSprite(e){return Mr.center.set(0,0,0),Mr.radius=.7071067811865476,Mr.applyMatrix4(e.matrixWorld),this.intersectsSphere(Mr)}intersectsSphere(e){let t=this.planes,i=e.center,n=-e.radius;for(let s=0;s<6;s++)if(t[s].distanceToPoint(i)0?e.max.x:e.min.x,ic.y=n.normal.y>0?e.max.y:e.min.y,ic.z=n.normal.z>0?e.max.z:e.min.z,n.distanceToPoint(ic)<0)return!1}return!0}containsPoint(e){let t=this.planes;for(let i=0;i<6;i++)if(t[i].distanceToPoint(e)<0)return!1;return!0}clone(){return new this.constructor().copy(this)}};function $u(r,e){return r-e}function w0(r,e){return r.z-e.z}function C0(r,e){return e.z-r.z}var cm=class{constructor(){this.index=0,this.pool=[],this.list=[]}push(e,t,i,n){let s=this.pool,a=this.list;this.index>=s.length&&s.push({start:-1,count:-1,z:-1,index:-1});let o=s[this.index];a.push(o),this.index++,o.start=e,o.count=t,o.z=i,o.index=n}reset(){this.list.length=0,this.index=0}},pi=new Le,R0=new re(1,1,1),ed=new br,nc=new Ht,Tr=new Bt,Uo=new b,hm=new b,D0=new b,td=new cm,ni=new tt,rc=[];function P0(r,e,t=0){let i=e.itemSize;if(r.isInterleavedBufferAttribute||r.array.constructor!==e.array.constructor){let n=r.count;for(let s=0;s65535?new Uint32Array(n):new Uint16Array(n);t.setIndex(new Ce(s,1))}this._geometryInitialized=!0}}_validateGeometry(e){let t=this.geometry;if(Boolean(e.getIndex())!==Boolean(t.getIndex()))throw new Error('THREE.BatchedMesh: All geometries must consistently have "index".');for(let i in t.attributes){if(!e.hasAttribute(i))throw new Error(`THREE.BatchedMesh: Added geometry missing "${i}". All geometries must have consistent attributes.`);let n=e.getAttribute(i),s=t.getAttribute(i);if(n.itemSize!==s.itemSize||n.normalized!==s.normalized)throw new Error("THREE.BatchedMesh: All attributes must have a consistent itemSize and normalized value.")}}validateInstanceId(e){let t=this._instanceInfo;if(e<0||e>=t.length||t[e].active===!1)throw new Error(`THREE.BatchedMesh: Invalid instanceId ${e}. Instance is either out of range or has been deleted.`)}validateGeometryId(e){let t=this._geometryInfo;if(e<0||e>=t.length||t[e].active===!1)throw new Error(`THREE.BatchedMesh: Invalid geometryId ${e}. Geometry is either out of range or has been deleted.`)}setCustomSort(e){return this.customSort=e,this}computeBoundingBox(){this.boundingBox===null&&(this.boundingBox=new Ht);let e=this.boundingBox,t=this._instanceInfo;e.makeEmpty();for(let i=0,n=t.length;i=this.maxInstanceCount&&this._availableInstanceIds.length===0)throw new Error("THREE.BatchedMesh: Maximum item count reached.");let i={visible:!0,active:!0,geometryIndex:e},n=null;this._availableInstanceIds.length>0?(this._availableInstanceIds.sort($u),n=this._availableInstanceIds.shift(),this._instanceInfo[n]=i):(n=this._instanceInfo.length,this._instanceInfo.push(i));let s=this._matricesTexture;pi.identity().toArray(s.image.data,n*16),s.needsUpdate=!0;let a=this._colorsTexture;return a&&(R0.toArray(a.image.data,n*4),a.needsUpdate=!0),this._visibilityChanged=!0,n}addGeometry(e,t=-1,i=-1){this._initializeGeometry(e),this._validateGeometry(e);let n={vertexStart:-1,vertexCount:-1,reservedVertexCount:-1,indexStart:-1,indexCount:-1,reservedIndexCount:-1,start:-1,count:-1,boundingBox:null,boundingSphere:null,active:!0},s=this._geometryInfo;n.vertexStart=this._nextVertexStart,n.reservedVertexCount=t===-1?e.getAttribute("position").count:t;let a=e.getIndex();if(a!==null&&(n.indexStart=this._nextIndexStart,n.reservedIndexCount=i===-1?a.count:i),n.indexStart!==-1&&n.indexStart+n.reservedIndexCount>this._maxIndexCount||n.vertexStart+n.reservedVertexCount>this._maxVertexCount)throw new Error("THREE.BatchedMesh: Reserved space request exceeds the maximum buffer size.");let l;return this._availableGeometryIds.length>0?(this._availableGeometryIds.sort($u),l=this._availableGeometryIds.shift(),s[l]=n):(l=this._geometryCount,this._geometryCount++,s.push(n)),this.setGeometryAt(l,e),this._nextIndexStart=n.indexStart+n.reservedIndexCount,this._nextVertexStart=n.vertexStart+n.reservedVertexCount,l}setGeometryAt(e,t){if(e>=this._geometryCount)throw new Error("THREE.BatchedMesh: Maximum geometry count reached.");this._validateGeometry(t);let i=this.geometry,n=i.getIndex()!==null,s=i.getIndex(),a=t.getIndex(),o=this._geometryInfo[e];if(n&&a.count>o.reservedIndexCount||t.attributes.position.count>o.reservedVertexCount)throw new Error("THREE.BatchedMesh: Reserved space not large enough for provided geometry.");let l=o.vertexStart,c=o.reservedVertexCount;o.vertexCount=t.getAttribute("position").count;for(let h in i.attributes){let u=t.getAttribute(h),d=i.getAttribute(h);P0(u,d,l);let f=u.itemSize;for(let m=u.count,v=c;m=t.length||t[e].active===!1)return this;let i=this._instanceInfo;for(let n=0,s=i.length;no).sort((a,o)=>i[a].vertexStart-i[o].vertexStart),s=this.geometry;for(let a=0,o=i.length;a=this._geometryCount)return null;let i=this.geometry,n=this._geometryInfo[e];if(n.boundingBox===null){let s=new Ht,a=i.index,o=i.attributes.position;for(let l=n.start,c=n.start+n.count;l=this._geometryCount)return null;let i=this.geometry,n=this._geometryInfo[e];if(n.boundingSphere===null){let s=new Bt;this.getBoundingBoxAt(e,nc),nc.getCenter(s.center);let a=i.index,o=i.attributes.position,l=0;for(let c=n.start,h=n.start+n.count;co.active);if(Math.max(...i.map(o=>o.vertexStart+o.reservedVertexCount))>e)throw new Error(`BatchedMesh: Geometry vertex values are being used outside the range ${t}. Cannot shrink further.`);if(this.geometry.index&&Math.max(...i.map(l=>l.indexStart+l.reservedIndexCount))>t)throw new Error(`BatchedMesh: Geometry index values are being used outside the range ${t}. Cannot shrink further.`);let s=this.geometry;s.dispose(),this._maxVertexCount=e,this._maxIndexCount=t,this._geometryInitialized&&(this._geometryInitialized=!1,this.geometry=new we,this._initializeGeometry(s));let a=this.geometry;s.index&&wr(s.index.array,a.index.array);for(let o in s.attributes)wr(s.attributes[o].array,a.attributes[o].array)}raycast(e,t){let i=this._instanceInfo,n=this._geometryInfo,s=this.matrixWorld,a=this.geometry;ni.material=this.material,ni.geometry.index=a.index,ni.geometry.attributes=a.attributes,ni.geometry.boundingBox===null&&(ni.geometry.boundingBox=new Ht),ni.geometry.boundingSphere===null&&(ni.geometry.boundingSphere=new Bt);for(let o=0,l=i.length;oVf(Rh({},t),{boundingBox:t.boundingBox!==null?t.boundingBox.clone():null,boundingSphere:t.boundingSphere!==null?t.boundingSphere.clone():null})),this._instanceInfo=e._instanceInfo.map(t=>Rh({},t)),this._maxInstanceCount=e._maxInstanceCount,this._maxVertexCount=e._maxVertexCount,this._maxIndexCount=e._maxIndexCount,this._geometryInitialized=e._geometryInitialized,this._geometryCount=e._geometryCount,this._multiDrawCounts=e._multiDrawCounts.slice(),this._multiDrawStarts=e._multiDrawStarts.slice(),this._matricesTexture=e._matricesTexture.clone(),this._matricesTexture.image.data=this._matricesTexture.image.data.slice(),this._colorsTexture!==null&&(this._colorsTexture=e._colorsTexture.clone(),this._colorsTexture.image.data=this._colorsTexture.image.data.slice()),this}dispose(){return this.geometry.dispose(),this._matricesTexture.dispose(),this._matricesTexture=null,this._indirectTexture.dispose(),this._indirectTexture=null,this._colorsTexture!==null&&(this._colorsTexture.dispose(),this._colorsTexture=null),this}onBeforeRender(e,t,i,n,s){if(!this._visibilityChanged&&!this.perObjectFrustumCulled&&!this.sortObjects)return;let a=n.getIndex(),o=a===null?1:a.array.BYTES_PER_ELEMENT,l=this._instanceInfo,c=this._multiDrawStarts,h=this._multiDrawCounts,u=this._geometryInfo,d=this.perObjectFrustumCulled,f=this._indirectTexture,m=f.image.data;d&&(pi.multiplyMatrices(i.projectionMatrix,i.matrixWorldInverse).multiply(this.matrixWorld),ed.setFromProjectionMatrix(pi,e.coordinateSystem));let v=0;if(this.sortObjects){pi.copy(this.matrixWorld).invert(),Uo.setFromMatrixPosition(i.matrixWorld).applyMatrix4(pi),hm.set(0,0,-1).transformDirection(i.matrixWorld).transformDirection(pi);for(let y=0,x=l.length;y0){let n=t[i[0]];if(n!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let s=0,a=n.length;si)return;id.applyMatrix4(r.matrixWorld);let c=e.ray.origin.distanceTo(id);if(!(ce.far))return{distance:c,point:dm.clone().applyMatrix4(r.matrixWorld),index:a,face:null,faceIndex:null,barycoord:null,object:r}}var fm=new b,pm=new b,Zt=class extends mi{constructor(e,t){super(e,t);this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){let e=this.geometry;if(e.index===null){let t=e.attributes.position,i=[];for(let n=0,s=t.count;n0){let n=t[i[0]];if(n!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let s=0,a=n.length;sn.far)return;s.push({distance:c,distanceToRay:Math.sqrt(o),point:l,index:e,face:null,faceIndex:null,barycoord:null,object:a})}}var fc=class extends pt{constructor(e,t,i,n,s,a,o,l,c){super(e,t,i,n,s,a,o,l,c);this.isVideoTexture=!0,this.minFilter=a!==void 0?a:xt,this.magFilter=s!==void 0?s:xt,this.generateMipmaps=!1;let h=this;function u(){h.needsUpdate=!0,e.requestVideoFrameCallback(u)}"requestVideoFrameCallback"in e&&e.requestVideoFrameCallback(u)}clone(){return new this.constructor(this.image).copy(this)}update(){let e=this.image;"requestVideoFrameCallback"in e===!1&&e.readyState>=e.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}},rd=class extends fc{constructor(e,t,i,n,s,a,o,l){super({},e,t,i,n,s,a,o,l);this.isVideoFrameTexture=!0}update(){}clone(){return new this.constructor().copy(this)}setFrame(e){this.image=e,this.needsUpdate=!0}},sd=class extends pt{constructor(e,t){super({width:e,height:t});this.isFramebufferTexture=!0,this.magFilter=Vt,this.minFilter=Vt,this.generateMipmaps=!1,this.needsUpdate=!0}},Zs=class extends pt{constructor(e,t,i,n,s,a,o,l,c,h,u,d){super(null,a,o,l,c,h,n,s,u,d);this.isCompressedTexture=!0,this.image={width:t,height:i},this.mipmaps=e,this.flipY=!1,this.generateMipmaps=!1}},ad=class extends Zs{constructor(e,t,i,n,s,a){super(e,t,i,s,a);this.isCompressedArrayTexture=!0,this.image.depth=n,this.wrapR=yi,this.layerUpdates=new Set}addLayerUpdate(e){this.layerUpdates.add(e)}clearLayerUpdates(){this.layerUpdates.clear()}},od=class extends Zs{constructor(e,t,i){super(void 0,e[0].width,e[0].height,t,i,on);this.isCompressedCubeTexture=!0,this.isCubeTexture=!0,this.image=e}},ld=class extends pt{constructor(e,t,i,n,s,a,o,l,c){super(e,t,i,n,s,a,o,l,c);this.isCanvasTexture=!0,this.needsUpdate=!0}},Cr=class extends pt{constructor(e,t,i,n,s,a,o,l,c,h=Gn){if(h!==Gn&&h!==cn)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");i===void 0&&h===Gn&&(i=Li),i===void 0&&h===cn&&(i=ln);super(null,n,s,a,o,l,h,i,c);this.isDepthTexture=!0,this.image={width:e,height:t},this.magFilter=o!==void 0?o:Vt,this.minFilter=l!==void 0?l:Vt,this.flipY=!1,this.generateMipmaps=!1,this.compareFunction=null}copy(e){return super.copy(e),this.compareFunction=e.compareFunction,this}toJSON(e){let t=super.toJSON(e);return this.compareFunction!==null&&(t.compareFunction=this.compareFunction),t}},Mi=class{constructor(){this.type="Curve",this.arcLengthDivisions=200}getPoint(){return console.warn("THREE.Curve: .getPoint() not implemented."),null}getPointAt(e,t){let i=this.getUtoTmapping(e);return this.getPoint(i,t)}getPoints(e=5){let t=[];for(let i=0;i<=e;i++)t.push(this.getPoint(i/e));return t}getSpacedPoints(e=5){let t=[];for(let i=0;i<=e;i++)t.push(this.getPointAt(i/e));return t}getLength(){let e=this.getLengths();return e[e.length-1]}getLengths(e=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;let t=[],i,n=this.getPoint(0),s=0;t.push(0);for(let a=1;a<=e;a++)i=this.getPoint(a/e),s+=i.distanceTo(n),t.push(s),n=i;return this.cacheArcLengths=t,t}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(e,t){let i=this.getLengths(),n=0,s=i.length,a;t?a=t:a=e*i[s-1];let o=0,l=s-1,c;for(;o<=l;)if(n=Math.floor(o+(l-o)/2),c=i[n]-a,c<0)o=n+1;else if(c>0)l=n-1;else{l=n;break}if(n=l,i[n]===a)return n/(s-1);let h=i[n],d=i[n+1]-h,f=(a-h)/d;return(n+f)/(s-1)}getTangent(e,t){let i=1e-4,n=e-i,s=e+i;n<0&&(n=0),s>1&&(s=1);let a=this.getPoint(n),o=this.getPoint(s),l=t||(a.isVector2?new z:new b);return l.copy(o).sub(a).normalize(),l}getTangentAt(e,t){let i=this.getUtoTmapping(e);return this.getTangent(i,t)}computeFrenetFrames(e,t){let i=new b,n=[],s=[],a=[],o=new b,l=new Le;for(let f=0;f<=e;f++){let m=f/e;n[f]=this.getTangentAt(m,new b)}s[0]=new b,a[0]=new b;let c=Number.MAX_VALUE,h=Math.abs(n[0].x),u=Math.abs(n[0].y),d=Math.abs(n[0].z);h<=c&&(c=h,i.set(1,0,0)),u<=c&&(c=u,i.set(0,1,0)),d<=c&&i.set(0,0,1),o.crossVectors(n[0],i).normalize(),s[0].crossVectors(n[0],o),a[0].crossVectors(n[0],s[0]);for(let f=1;f<=e;f++){if(s[f]=s[f-1].clone(),a[f]=a[f-1].clone(),o.crossVectors(n[f-1],n[f]),o.length()>Number.EPSILON){o.normalize();let m=Math.acos(Ge(n[f-1].dot(n[f]),-1,1));s[f].applyMatrix4(l.makeRotationAxis(o,m))}a[f].crossVectors(n[f],s[f])}if(t===!0){let f=Math.acos(Ge(s[0].dot(s[e]),-1,1));f/=e,n[0].dot(o.crossVectors(s[0],s[e]))>0&&(f=-f);for(let m=1;m<=e;m++)s[m].applyMatrix4(l.makeRotationAxis(n[m],f*m)),a[m].crossVectors(n[m],s[m])}return{tangents:n,normals:s,binormals:a}}clone(){return new this.constructor().copy(this)}copy(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}toJSON(){let e={metadata:{version:4.6,type:"Curve",generator:"Curve.toJSON"}};return e.arcLengthDivisions=this.arcLengthDivisions,e.type=this.type,e}fromJSON(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}},Qs=class extends Mi{constructor(e=0,t=0,i=1,n=1,s=0,a=Math.PI*2,o=!1,l=0){super();this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=e,this.aY=t,this.xRadius=i,this.yRadius=n,this.aStartAngle=s,this.aEndAngle=a,this.aClockwise=o,this.aRotation=l}getPoint(e,t=new z){let i=t,n=Math.PI*2,s=this.aEndAngle-this.aStartAngle,a=Math.abs(s)n;)s-=n;s0?0:(Math.floor(Math.abs(o)/s)+1)*s:l===0&&o===s-1&&(o=s-2,l=1);let c,h;this.closed||o>0?c=n[(o-1)%s]:(mc.subVectors(n[0],n[1]).add(n[0]),c=mc);let u=n[o%s],d=n[(o+1)%s];if(this.closed||o+2n.length-2?n.length-1:a+1],u=n[a>n.length-3?n.length-1:a+2];return i.set(vm(o,l.x,c.x,h.x,u.x),vm(o,l.y,c.y,h.y,u.y)),i}copy(e){super.copy(e),this.points=[];for(let t=0,i=e.points.length;t=i){let a=n[s]-i,o=this.curves[s],l=o.getLength(),c=l===0?0:1-a/l;return o.getPointAt(c,t)}s++}return null}getLength(){let e=this.getCurveLengths();return 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s=[],a=[],o=[],l=[],c=[],h=1/t,u=new b,d=new z,f=new b,m=new b,v=new b,g=0,p=0;for(let y=0;y<=e.length-1;y++)switch(y){case 0:g=e[y+1].x-e[y].x,p=e[y+1].y-e[y].y,f.x=p*1,f.y=-g,f.z=p*0,v.copy(f),f.normalize(),l.push(f.x,f.y,f.z);break;case e.length-1:l.push(v.x,v.y,v.z);break;default:g=e[y+1].x-e[y].x,p=e[y+1].y-e[y].y,f.x=p*1,f.y=-g,f.z=p*0,m.copy(f),f.x+=v.x,f.y+=v.y,f.z+=v.z,f.normalize(),l.push(f.x,f.y,f.z),v.copy(m)}for(let y=0;y<=t;y++){let x=i+y*h*n,_=Math.sin(x),D=Math.cos(x);for(let T=0;T<=e.length-1;T++){u.x=e[T].x*_,u.y=e[T].y,u.z=e[T].x*D,a.push(u.x,u.y,u.z),d.x=y/t,d.y=T/(e.length-1),o.push(d.x,d.y);let R=l[3*T+0]*_,P=l[3*T+1],M=l[3*T+0]*D;c.push(R,P,M)}}for(let y=0;y0&&x(!0),t>0&&x(!1)),this.setIndex(h),this.setAttribute("position",new me(u,3)),this.setAttribute("normal",new me(d,3)),this.setAttribute("uv",new me(f,2));function y(){let _=new b,D=new b,T=0,R=(t-e)/i;for(let P=0;P<=s;P++){let M=[],A=P/s,I=A*(t-e)+e;for(let k=0;k<=n;k++){let 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super.copy(e),this.defines={STANDARD:"",PHYSICAL:""},this.anisotropy=e.anisotropy,this.anisotropyRotation=e.anisotropyRotation,this.anisotropyMap=e.anisotropyMap,this.clearcoat=e.clearcoat,this.clearcoatMap=e.clearcoatMap,this.clearcoatRoughness=e.clearcoatRoughness,this.clearcoatRoughnessMap=e.clearcoatRoughnessMap,this.clearcoatNormalMap=e.clearcoatNormalMap,this.clearcoatNormalScale.copy(e.clearcoatNormalScale),this.dispersion=e.dispersion,this.ior=e.ior,this.iridescence=e.iridescence,this.iridescenceMap=e.iridescenceMap,this.iridescenceIOR=e.iridescenceIOR,this.iridescenceThicknessRange=[...e.iridescenceThicknessRange],this.iridescenceThicknessMap=e.iridescenceThicknessMap,this.sheen=e.sheen,this.sheenColor.copy(e.sheenColor),this.sheenColorMap=e.sheenColorMap,this.sheenRoughness=e.sheenRoughness,this.sheenRoughnessMap=e.sheenRoughnessMap,this.transmission=e.transmission,this.transmissionMap=e.transmissionMap,this.thickness=e.thickness,this.thicknessMap=e.thicknessMap,this.attenuationDistance=e.attenuationDistance,this.attenuationColor.copy(e.attenuationColor),this.specularIntensity=e.specularIntensity,this.specularIntensityMap=e.specularIntensityMap,this.specularColor.copy(e.specularColor),this.specularColorMap=e.specularColorMap,this}},ca=class extends St{constructor(e){super();this.isMeshPhongMaterial=!0,this.type="MeshPhongMaterial",this.color=new re(16777215),this.specular=new re(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new re(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=An,this.normalScale=new z(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new oi,this.combine=rs,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.specular.copy(e.specular),this.shininess=e.shininess,this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.envMapRotation.copy(e.envMapRotation),this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.flatShading=e.flatShading,this.fog=e.fog,this}},Ic=class extends St{constructor(e){super();this.isMeshToonMaterial=!0,this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new re(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new re(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=An,this.normalScale=new z(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.gradientMap=e.gradientMap,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.fog=e.fog,this}},Uc=class extends St{constructor(e){super();this.isMeshNormalMaterial=!0,this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=An,this.normalScale=new 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0&&(a.shadow.bias=e.shadow.bias),e.shadow.normalBias!==void 0&&(a.shadow.normalBias=e.shadow.normalBias),e.shadow.radius!==void 0&&(a.shadow.radius=e.shadow.radius),e.shadow.mapSize!==void 0&&a.shadow.mapSize.fromArray(e.shadow.mapSize),e.shadow.camera!==void 0&&(a.shadow.camera=this.parseObject(e.shadow.camera))),e.visible!==void 0&&(a.visible=e.visible),e.frustumCulled!==void 0&&(a.frustumCulled=e.frustumCulled),e.renderOrder!==void 0&&(a.renderOrder=e.renderOrder),e.userData!==void 0&&(a.userData=e.userData),e.layers!==void 0&&(a.layers.mask=e.layers),e.children!==void 0){let d=e.children;for(let f=0;f{t&&t(c),s.manager.itemEnd(e)}).catch(c=>{n&&n(c)});return}return setTimeout(function(){t&&t(a),s.manager.itemEnd(e)},0),a}let o={};o.credentials=this.crossOrigin==="anonymous"?"same-origin":"include",o.headers=this.requestHeader;let l=fetch(e,o).then(function(c){return c.blob()}).then(function(c){return createImageBitmap(c,Object.assign(s.options,{colorSpaceConversion:"none"}))}).then(function(c){return pn.add(e,c),t&&t(c),s.manager.itemEnd(e),c}).catch(function(c){n&&n(c),pn.remove(e),s.manager.itemError(e),s.manager.itemEnd(e)});pn.add(e,l),s.manager.itemStart(e)}},Zc,Ko=class{static getContext(){return Zc===void 0&&(Zc=new(window.AudioContext||window.webkitAudioContext)),Zc}static setContext(e){Zc=e}},wd=class extends Yt{constructor(e){super(e)}load(e,t,i,n){let s=this,a=new Ti(this.manager);a.setResponseType("arraybuffer"),a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(this.withCredentials),a.load(e,function(l){try{let c=l.slice(0);Ko.getContext().decodeAudioData(c,function(u){t(u)}).catch(o)}catch(c){o(c)}},i,n);function o(l){n?n(l):console.error(l),s.manager.itemError(e)}}},Fm=new Le,Hm=new Le,Gr=new Le,Cd=class{constructor(){this.type="StereoCamera",this.aspect=1,this.eyeSep=.064,this.cameraL=new Tt,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new Tt,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(e){let t=this._cache;if(t.focus!==e.focus||t.fov!==e.fov||t.aspect!==e.aspect*this.aspect||t.near!==e.near||t.far!==e.far||t.zoom!==e.zoom||t.eyeSep!==this.eyeSep){t.focus=e.focus,t.fov=e.fov,t.aspect=e.aspect*this.aspect,t.near=e.near,t.far=e.far,t.zoom=e.zoom,t.eyeSep=this.eyeSep,Gr.copy(e.projectionMatrix);let n=t.eyeSep/2,s=n*t.near/t.focus,a=t.near*Math.tan(pr*t.fov*.5)/t.zoom,o,l;Hm.elements[12]=-n,Fm.elements[12]=n,o=-a*t.aspect+s,l=a*t.aspect+s,Gr.elements[0]=2*t.near/(l-o),Gr.elements[8]=(l+o)/(l-o),this.cameraL.projectionMatrix.copy(Gr),o=-a*t.aspect-s,l=a*t.aspect-s,Gr.elements[0]=2*t.near/(l-o),Gr.elements[8]=(l+o)/(l-o),this.cameraR.projectionMatrix.copy(Gr)}this.cameraL.matrixWorld.copy(e.matrixWorld).multiply(Hm),this.cameraR.matrixWorld.copy(e.matrixWorld).multiply(Fm)}},Qc=class extends Tt{constructor(e=[]){super();this.isArrayCamera=!0,this.cameras=e,this.index=0}},Kc=class{constructor(e=!0){this.autoStart=e,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1}start(){this.startTime=zm(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0}stop(){this.getElapsedTime(),this.running=!1,this.autoStart=!1}getElapsedTime(){return this.getDelta(),this.elapsedTime}getDelta(){let e=0;if(this.autoStart&&!this.running)return this.start(),0;if(this.running){let t=zm();e=(t-this.oldTime)/1e3,this.oldTime=t,this.elapsedTime+=e}return e}};function zm(){return performance.now()}var Vr=new b,km=new Ft,hx=new b,Wr=new b,Rd=class extends Xe{constructor(){super();this.type="AudioListener",this.context=Ko.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._clock=new Kc}getInput(){return this.gain}removeFilter(){return this.filter!==null&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(e){return this.filter!==null?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=e,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(e){return this.gain.gain.setTargetAtTime(e,this.context.currentTime,.01),this}updateMatrixWorld(e){super.updateMatrixWorld(e);let t=this.context.listener,i=this.up;if(this.timeDelta=this._clock.getDelta(),this.matrixWorld.decompose(Vr,km,hx),Wr.set(0,0,-1).applyQuaternion(km),t.positionX){let n=this.context.currentTime+this.timeDelta;t.positionX.linearRampToValueAtTime(Vr.x,n),t.positionY.linearRampToValueAtTime(Vr.y,n),t.positionZ.linearRampToValueAtTime(Vr.z,n),t.forwardX.linearRampToValueAtTime(Wr.x,n),t.forwardY.linearRampToValueAtTime(Wr.y,n),t.forwardZ.linearRampToValueAtTime(Wr.z,n),t.upX.linearRampToValueAtTime(i.x,n),t.upY.linearRampToValueAtTime(i.y,n),t.upZ.linearRampToValueAtTime(i.z,n)}else t.setPosition(Vr.x,Vr.y,Vr.z),t.setOrientation(Wr.x,Wr.y,Wr.z,i.x,i.y,i.z)}},Jc=class extends Xe{constructor(e){super();this.type="Audio",this.listener=e,this.context=e.context,this.gain=this.context.createGain(),this.gain.connect(e.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(e){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=e,this.connect(),this}setMediaElementSource(e){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(e),this.connect(),this}setMediaStreamSource(e){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(e),this.connect(),this}setBuffer(e){return this.buffer=e,this.sourceType="buffer",this.autoplay&&this.play(),this}play(e=0){if(this.isPlaying===!0){console.warn("THREE.Audio: Audio is already playing.");return}if(this.hasPlaybackControl===!1){console.warn("THREE.Audio: this Audio has no playback control.");return}this._startedAt=this.context.currentTime+e;let t=this.context.createBufferSource();return t.buffer=this.buffer,t.loop=this.loop,t.loopStart=this.loopStart,t.loopEnd=this.loopEnd,t.onended=this.onEnded.bind(this),t.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=t,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(this.hasPlaybackControl===!1){console.warn("THREE.Audio: this Audio has no playback control.");return}return this.isPlaying===!0&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,this.loop===!0&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this}stop(e=0){if(this.hasPlaybackControl===!1){console.warn("THREE.Audio: this Audio has no playback control.");return}return this._progress=0,this.source!==null&&(this.source.stop(this.context.currentTime+e),this.source.onended=null),this.isPlaying=!1,this}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let e=1,t=this.filters.length;e0){this.source.disconnect(this.filters[0]);for(let e=1,t=this.filters.length;e0&&this._mixBufferRegionAdditive(i,n,this._addIndex*t,1,t);for(let l=t,c=t+t;l!==c;++l)if(i[l]!==i[l+t]){o.setValue(i,n);break}}saveOriginalState(){let e=this.binding,t=this.buffer,i=this.valueSize,n=i*this._origIndex;e.getValue(t,n);for(let s=i,a=n;s!==a;++s)t[s]=t[n+s%i];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){let e=this.valueSize*3;this.binding.setValue(this.buffer,e)}_setAdditiveIdentityNumeric(){let e=this._addIndex*this.valueSize,t=e+this.valueSize;for(let i=e;i=.5)for(let a=0;a!==s;++a)e[t+a]=e[i+a]}_slerp(e,t,i,n){Ft.slerpFlat(e,t,e,t,e,i,n)}_slerpAdditive(e,t,i,n,s){let a=this._workIndex*s;Ft.multiplyQuaternionsFlat(e,a,e,t,e,i),Ft.slerpFlat(e,t,e,t,e,a,n)}_lerp(e,t,i,n,s){let a=1-n;for(let o=0;o!==s;++o){let l=t+o;e[l]=e[l]*a+e[i+o]*n}}_lerpAdditive(e,t,i,n,s){for(let a=0;a!==s;++a){let o=t+a;e[o]=e[o]+e[i+a]*n}}},Id="\\[\\]\\.:\\/",dx=new RegExp("["+Id+"]","g"),Ud="[^"+Id+"]",fx="[^"+Id.replace("\\.","")+"]",px=/((?:WC+[\/:])*)/.source.replace("WC",Ud),mx=/(WCOD+)?/.source.replace("WCOD",fx),gx=/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",Ud),vx=/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",Ud),xx=new RegExp("^"+px+mx+gx+vx+"$"),_x=["material","materials","bones","map"],Vm=class{constructor(e,t,i){let n=i||it.parseTrackName(t);this._targetGroup=e,this._bindings=e.subscribe_(t,n)}getValue(e,t){this.bind();let i=this._targetGroup.nCachedObjects_,n=this._bindings[i];n!==void 0&&n.getValue(e,t)}setValue(e,t){let i=this._bindings;for(let n=this._targetGroup.nCachedObjects_,s=i.length;n!==s;++n)i[n].setValue(e,t)}bind(){let e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,i=e.length;t!==i;++t)e[t].bind()}unbind(){let e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,i=e.length;t!==i;++t)e[t].unbind()}},it=class{constructor(e,t,i){this.path=t,this.parsedPath=i||it.parseTrackName(t),this.node=it.findNode(e,this.parsedPath.nodeName),this.rootNode=e,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(e,t,i){return e&&e.isAnimationObjectGroup?new it.Composite(e,t,i):new it(e,t,i)}static sanitizeNodeName(e){return e.replace(/\s/g,"_").replace(dx,"")}static parseTrackName(e){let t=xx.exec(e);if(t===null)throw new Error("PropertyBinding: Cannot parse trackName: "+e);let i={nodeName:t[2],objectName:t[3],objectIndex:t[4],propertyName:t[5],propertyIndex:t[6]},n=i.nodeName&&i.nodeName.lastIndexOf(".");if(n!==void 0&&n!==-1){let s=i.nodeName.substring(n+1);_x.indexOf(s)!==-1&&(i.nodeName=i.nodeName.substring(0,n),i.objectName=s)}if(i.propertyName===null||i.propertyName.length===0)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+e);return i}static findNode(e,t){if(t===void 0||t===""||t==="."||t===-1||t===e.name||t===e.uuid)return e;if(e.skeleton){let i=e.skeleton.getBoneByName(t);if(i!==void 0)return i}if(e.children){let i=function(s){for(let a=0;a=s){let u=s++,d=e[u];t[d.uuid]=h,e[h]=d,t[c]=u,e[u]=l;for(let f=0,m=n;f!==m;++f){let v=i[f],g=v[u],p=v[h];v[h]=g,v[u]=p}}}this.nCachedObjects_=s}uncache(){let e=this._objects,t=this._indicesByUUID,i=this._bindings,n=i.length,s=this.nCachedObjects_,a=e.length;for(let o=0,l=arguments.length;o!==l;++o){let c=arguments[o],h=c.uuid,u=t[h];if(u!==void 0)if(delete t[h],u0&&(t[f.uuid]=u),e[u]=f,e.pop();for(let m=0,v=n;m!==v;++m){let g=i[m];g[u]=g[d],g.pop()}}}this.nCachedObjects_=s}subscribe_(e,t){let i=this._bindingsIndicesByPath,n=i[e],s=this._bindings;if(n!==void 0)return s[n];let a=this._paths,o=this._parsedPaths,l=this._objects,c=l.length,h=this.nCachedObjects_,u=new Array(c);n=s.length,i[e]=n,a.push(e),o.push(t),s.push(u);for(let d=h,f=l.length;d!==f;++d){let m=l[d];u[d]=new it(m,e,t)}return u}unsubscribe_(e){let t=this._bindingsIndicesByPath,i=t[e];if(i!==void 0){let n=this._paths,s=this._parsedPaths,a=this._bindings,o=a.length-1,l=a[o],c=e[o];t[c]=i,a[i]=l,a.pop(),s[i]=s[o],s.pop(),n[i]=n[o],n.pop()}}},eh=class{constructor(e,t,i=null,n=t.blendMode){this._mixer=e,this._clip=t,this._localRoot=i,this.blendMode=n;let s=t.tracks,a=s.length,o=new Array(a),l={endingStart:Vn,endingEnd:Vn};for(let c=0;c!==a;++c){let h=s[c].createInterpolant(null);o[c]=h,h.settings=l}this._interpolantSettings=l,this._interpolants=o,this._propertyBindings=new Array(a),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=lu,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&this.timeScale!==0&&this._startTime===null&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(e){return this._startTime=e,this}setLoop(e,t){return this.loop=e,this.repetitions=t,this}setEffectiveWeight(e){return this.weight=e,this._effectiveWeight=this.enabled?e:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(e){return this._scheduleFading(e,0,1)}fadeOut(e){return this._scheduleFading(e,1,0)}crossFadeFrom(e,t,i){if(e.fadeOut(t),this.fadeIn(t),i){let n=this._clip.duration,s=e._clip.duration,a=s/n,o=n/s;e.warp(1,a,t),this.warp(o,1,t)}return this}crossFadeTo(e,t,i){return e.crossFadeFrom(this,t,i)}stopFading(){let e=this._weightInterpolant;return e!==null&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}setEffectiveTimeScale(e){return this.timeScale=e,this._effectiveTimeScale=this.paused?0:e,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(e){return this.timeScale=this._clip.duration/e,this.stopWarping()}syncWith(e){return this.time=e.time,this.timeScale=e.timeScale,this.stopWarping()}halt(e){return this.warp(this._effectiveTimeScale,0,e)}warp(e,t,i){let n=this._mixer,s=n.time,a=this.timeScale,o=this._timeScaleInterpolant;o===null&&(o=n._lendControlInterpolant(),this._timeScaleInterpolant=o);let l=o.parameterPositions,c=o.sampleValues;return l[0]=s,l[1]=s+i,c[0]=e/a,c[1]=t/a,this}stopWarping(){let e=this._timeScaleInterpolant;return e!==null&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(e,t,i,n){if(!this.enabled){this._updateWeight(e);return}let s=this._startTime;if(s!==null){let l=(e-s)*i;l<0||i===0?t=0:(this._startTime=null,t=i*l)}t*=this._updateTimeScale(e);let a=this._updateTime(t),o=this._updateWeight(e);if(o>0){let l=this._interpolants,c=this._propertyBindings;switch(this.blendMode){case El:for(let h=0,u=l.length;h!==u;++h)l[h].evaluate(a),c[h].accumulateAdditive(o);break;case go:default:for(let h=0,u=l.length;h!==u;++h)l[h].evaluate(a),c[h].accumulate(n,o)}}}_updateWeight(e){let t=0;if(this.enabled){t=this.weight;let i=this._weightInterpolant;if(i!==null){let n=i.evaluate(e)[0];t*=n,e>i.parameterPositions[1]&&(this.stopFading(),n===0&&(this.enabled=!1))}}return this._effectiveWeight=t,t}_updateTimeScale(e){let t=0;if(!this.paused){t=this.timeScale;let i=this._timeScaleInterpolant;i!==null&&(t*=i.evaluate(e)[0],e>i.parameterPositions[1]&&(this.stopWarping(),t===0?this.paused=!0:this.timeScale=t))}return this._effectiveTimeScale=t,t}_updateTime(e){let t=this._clip.duration,i=this.loop,n=this.time+e,s=this._loopCount,a=i===cu;if(e===0)return s===-1?n:a&&(s&1)==1?t-n:n;if(i===ou){s===-1&&(this._loopCount=0,this._setEndings(!0,!0,!1));e:{if(n>=t)n=t;else if(n<0)n=0;else{this.time=n;break e}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=n,this._mixer.dispatchEvent({type:"finished",action:this,direction:e<0?-1:1})}}else{if(s===-1&&(e>=0?(s=0,this._setEndings(!0,this.repetitions===0,a)):this._setEndings(this.repetitions===0,!0,a)),n>=t||n<0){let o=Math.floor(n/t);n-=t*o,s+=Math.abs(o);let l=this.repetitions-s;if(l<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,n=e>0?t:0,this.time=n,this._mixer.dispatchEvent({type:"finished",action:this,direction:e>0?1:-1});else{if(l===1){let c=e<0;this._setEndings(c,!c,a)}else this._setEndings(!1,!1,a);this._loopCount=s,this.time=n,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:o})}}else this.time=n;if(a&&(s&1)==1)return t-n}return n}_setEndings(e,t,i){let n=this._interpolantSettings;i?(n.endingStart=Wn,n.endingEnd=Wn):(e?n.endingStart=this.zeroSlopeAtStart?Wn:Vn:n.endingStart=vs,t?n.endingEnd=this.zeroSlopeAtEnd?Wn:Vn:n.endingEnd=vs)}_scheduleFading(e,t,i){let n=this._mixer,s=n.time,a=this._weightInterpolant;a===null&&(a=n._lendControlInterpolant(),this._weightInterpolant=a);let o=a.parameterPositions,l=a.sampleValues;return o[0]=s,l[0]=t,o[1]=s+e,l[1]=i,this}},yx=new Float32Array(1),Bd=class extends Wt{constructor(e){super();this._root=e,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(e,t){let i=e._localRoot||this._root,n=e._clip.tracks,s=n.length,a=e._propertyBindings,o=e._interpolants,l=i.uuid,c=this._bindingsByRootAndName,h=c[l];h===void 0&&(h={},c[l]=h);for(let u=0;u!==s;++u){let d=n[u],f=d.name,m=h[f];if(m!==void 0)++m.referenceCount,a[u]=m;else{if(m=a[u],m!==void 0){m._cacheIndex===null&&(++m.referenceCount,this._addInactiveBinding(m,l,f));continue}let v=t&&t._propertyBindings[u].binding.parsedPath;m=new $c(it.create(i,f,v),d.ValueTypeName,d.getValueSize()),++m.referenceCount,this._addInactiveBinding(m,l,f),a[u]=m}o[u].resultBuffer=m.buffer}}_activateAction(e){if(!this._isActiveAction(e)){if(e._cacheIndex===null){let i=(e._localRoot||this._root).uuid,n=e._clip.uuid,s=this._actionsByClip[n];this._bindAction(e,s&&s.knownActions[0]),this._addInactiveAction(e,n,i)}let t=e._propertyBindings;for(let i=0,n=t.length;i!==n;++i){let s=t[i];s.useCount++==0&&(this._lendBinding(s),s.saveOriginalState())}this._lendAction(e)}}_deactivateAction(e){if(this._isActiveAction(e)){let t=e._propertyBindings;for(let i=0,n=t.length;i!==n;++i){let s=t[i];--s.useCount==0&&(s.restoreOriginalState(),this._takeBackBinding(s))}this._takeBackAction(e)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;let e=this;this.stats={actions:{get total(){return e._actions.length},get inUse(){return e._nActiveActions}},bindings:{get total(){return e._bindings.length},get inUse(){return e._nActiveBindings}},controlInterpolants:{get total(){return e._controlInterpolants.length},get inUse(){return e._nActiveControlInterpolants}}}}_isActiveAction(e){let t=e._cacheIndex;return t!==null&&t=0;--i)e[i].stop();return this}update(e){e*=this.timeScale;let t=this._actions,i=this._nActiveActions,n=this.time+=e,s=Math.sign(e),a=this._accuIndex^=1;for(let c=0;c!==i;++c)t[c]._update(n,e,s,a);let o=this._bindings,l=this._nActiveBindings;for(let c=0;c!==l;++c)o[c].apply(a);return this}setTime(e){this.time=0;for(let t=0;t=this.min.x&&e.x<=this.max.x&&e.y>=this.min.y&&e.y<=this.max.y}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y}getParameter(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(e){return e.max.x>=this.min.x&&e.min.x<=this.max.x&&e.max.y>=this.min.y&&e.min.y<=this.max.y}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return this.clampPoint(e,Ym).distanceTo(e)}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}},jm=new b,th=new b,Xd=class{constructor(e=new b,t=new b){this.start=e,this.end=t}set(e,t){return this.start.copy(e),this.end.copy(t),this}copy(e){return this.start.copy(e.start),this.end.copy(e.end),this}getCenter(e){return e.addVectors(this.start,this.end).multiplyScalar(.5)}delta(e){return e.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(e,t){return this.delta(t).multiplyScalar(e).add(this.start)}closestPointToPointParameter(e,t){jm.subVectors(e,this.start),th.subVectors(this.end,this.start);let i=th.dot(th),s=th.dot(jm)/i;return t&&(s=Ge(s,0,1)),s}closestPointToPoint(e,t,i){let n=this.closestPointToPointParameter(e,t);return this.delta(i).multiplyScalar(n).add(this.start)}applyMatrix4(e){return this.start.applyMatrix4(e),this.end.applyMatrix4(e),this}equals(e){return e.start.equals(this.start)&&e.end.equals(this.end)}clone(){return new this.constructor().copy(this)}},qm=new b,Yd=class extends Xe{constructor(e,t){super();this.light=e,this.matrixAutoUpdate=!1,this.color=t,this.type="SpotLightHelper";let i=new we,n=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let a=0,o=1,l=32;a1)for(let u=0;u.99999)this.quaternion.set(0,0,0,1);else if(e.y<-.99999)this.quaternion.set(1,0,0,0);else{eg.set(e.z,0,-e.x).normalize();let t=Math.acos(e.y);this.quaternion.setFromAxisAngle(eg,t)}}setLength(e,t=e*.2,i=t*.2){this.line.scale.set(1,Math.max(1e-4,e-t),1),this.line.updateMatrix(),this.cone.scale.set(i,t,i),this.cone.position.y=e,this.cone.updateMatrix()}setColor(e){this.line.material.color.set(e),this.cone.material.color.set(e)}copy(e){return super.copy(e,!1),this.line.copy(e.line),this.cone.copy(e.cone),this}dispose(){this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}},$o=class extends Zt{constructor(e=1){let t=[0,0,0,e,0,0,0,0,0,0,e,0,0,0,0,0,0,e],i=[1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],n=new we;n.setAttribute("position",new me(t,3)),n.setAttribute("color",new me(i,3));let s=new _t({vertexColors:!0,toneMapped:!1});super(n,s);this.type="AxesHelper"}setColors(e,t,i){let n=new re,s=this.geometry.attributes.color.array;return n.set(e),n.toArray(s,0),n.toArray(s,3),n.set(t),n.toArray(s,6),n.toArray(s,9),n.set(i),n.toArray(s,12),n.toArray(s,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}},af=class{constructor(){this.type="ShapePath",this.color=new re,this.subPaths=[],this.currentPath=null}moveTo(e,t){return this.currentPath=new Rr,this.subPaths.push(this.currentPath),this.currentPath.moveTo(e,t),this}lineTo(e,t){return this.currentPath.lineTo(e,t),this}quadraticCurveTo(e,t,i,n){return this.currentPath.quadraticCurveTo(e,t,i,n),this}bezierCurveTo(e,t,i,n,s,a){return this.currentPath.bezierCurveTo(e,t,i,n,s,a),this}splineThru(e){return this.currentPath.splineThru(e),this}toShapes(e){function t(p){let y=[];for(let x=0,_=p.length;x<_;x++){let D=p[x],T=new Ln;T.curves=D.curves,y.push(T)}return y}function i(p,y){let x=y.length,_=!1;for(let 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t>e?(r.repeat.x=e/t,r.repeat.y=1,r.offset.x=(1-r.repeat.x)/2,r.offset.y=0):(r.repeat.x=1,r.repeat.y=t/e,r.offset.x=0,r.offset.y=(1-r.repeat.y)/2),r}function bx(r){return r.repeat.x=1,r.repeat.y=1,r.offset.x=0,r.offset.y=0,r}function oh(r,e,t,i){let n=Tx(i);switch(t){case vl:return r*e;case _l:return r*e;case yl:return r*e*2;case Fa:return r*e/n.components*n.byteLength;case hs:return r*e/n.components*n.byteLength;case Al:return r*e*2/n.components*n.byteLength;case Ha:return r*e*2/n.components*n.byteLength;case xl:return r*e*3/n.components*n.byteLength;case Jt:return r*e*4/n.components*n.byteLength;case za:return r*e*4/n.components*n.byteLength;case us:case ds:return Math.floor((r+3)/4)*Math.floor((e+3)/4)*8;case fs:case ps:return Math.floor((r+3)/4)*Math.floor((e+3)/4)*16;case Ga:case Wa:return Math.max(r,16)*Math.max(e,8)/4;case ka:case Va:return Math.max(r,8)*Math.max(e,8)/2;case Xa:case Ya:return Math.floor((r+3)/4)*Math.floor((e+3)/4)*8;case ja:return Math.floor((r+3)/4)*Math.floor((e+3)/4)*16;case qa:return Math.floor((r+3)/4)*Math.floor((e+3)/4)*16;case Za:return Math.floor((r+4)/5)*Math.floor((e+3)/4)*16;case Qa:return Math.floor((r+4)/5)*Math.floor((e+4)/5)*16;case Ka:return Math.floor((r+5)/6)*Math.floor((e+4)/5)*16;case Ja:return Math.floor((r+5)/6)*Math.floor((e+5)/6)*16;case $a:return Math.floor((r+7)/8)*Math.floor((e+4)/5)*16;case eo:return Math.floor((r+7)/8)*Math.floor((e+5)/6)*16;case to:return Math.floor((r+7)/8)*Math.floor((e+7)/8)*16;case io:return Math.floor((r+9)/10)*Math.floor((e+4)/5)*16;case no:return Math.floor((r+9)/10)*Math.floor((e+5)/6)*16;case ro:return Math.floor((r+9)/10)*Math.floor((e+7)/8)*16;case so:return Math.floor((r+9)/10)*Math.floor((e+9)/10)*16;case ao:return Math.floor((r+11)/12)*Math.floor((e+9)/10)*16;case oo:return Math.floor((r+11)/12)*Math.floor((e+11)/12)*16;case ms:case lo:case co:return Math.ceil(r/4)*Math.ceil(e/4)*16;case Sl:case ho:return Math.ceil(r/4)*Math.ceil(e/4)*8;case uo:case fo:return Math.ceil(r/4)*Math.ceil(e/4)*16}throw new Error(`Unable to determine texture byte length for ${t} format.`)}function Tx(r){switch(r){case bt:case pl:return{byteLength:1,components:1};case dr:case ml:case fr:return{byteLength:2,components:1};case Oa:case Na:return{byteLength:2,components:4};case Li:case Ba:case Kt:return{byteLength:4,components:1};case gl:return{byteLength:4,components:3}}throw new Error(`Unknown texture type ${r}.`)}var tg={contain:Ex,cover:Mx,fill:bx,getByteLength:oh};typeof __THREE_DEVTOOLS__!="undefined"&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{detail:{revision:ji}}));typeof window!="undefined"&&(window.__THREE__?console.warn("WARNING: Multiple instances of Three.js being imported."):window.__THREE__=ji);function ig(){let r=null,e=!1,t=null,i=null;function n(s,a){t(s,a),i=r.requestAnimationFrame(n)}return{start:function(){e!==!0&&t!==null&&(i=r.requestAnimationFrame(n),e=!0)},stop:function(){r.cancelAnimationFrame(i),e=!1},setAnimationLoop:function(s){t=s},setContext:function(s){r=s}}}function wx(r){let e=new WeakMap;function t(o,l){let c=o.array,h=o.usage,u=c.byteLength,d=r.createBuffer();r.bindBuffer(l,d),r.bufferData(l,c,h),o.onUploadCallback();let f;if(c instanceof Float32Array)f=r.FLOAT;else if(c instanceof Uint16Array)o.isFloat16BufferAttribute?f=r.HALF_FLOAT:f=r.UNSIGNED_SHORT;else if(c instanceof Int16Array)f=r.SHORT;else if(c instanceof Uint32Array)f=r.UNSIGNED_INT;else if(c instanceof Int32Array)f=r.INT;else if(c instanceof Int8Array)f=r.BYTE;else if(c instanceof Uint8Array)f=r.UNSIGNED_BYTE;else if(c instanceof Uint8ClampedArray)f=r.UNSIGNED_BYTE;else throw new Error("THREE.WebGLAttributes: Unsupported buffer data format: "+c);return{buffer:d,type:f,bytesPerElement:c.BYTES_PER_ELEMENT,version:o.version,size:u}}function i(o,l,c){let h=l.array,u=l.updateRanges;if(r.bindBuffer(c,o),u.length===0)r.bufferSubData(c,0,h);else{u.sort((f,m)=>f.start-m.start);let d=0;for(let f=1;f 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v; - return cross( v1, v2 ) * theta_sintheta; -} -vec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) { - vec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ]; - vec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ]; - vec3 lightNormal = cross( v1, v2 ); - if( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 ); - vec3 T1, T2; - T1 = normalize( V - N * dot( V, N ) ); - T2 = - cross( N, T1 ); - mat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) ); - vec3 coords[ 4 ]; - coords[ 0 ] = mat * ( rectCoords[ 0 ] - P ); - coords[ 1 ] = mat * ( rectCoords[ 1 ] - P ); - coords[ 2 ] = mat * ( rectCoords[ 2 ] - P ); - coords[ 3 ] = mat * ( rectCoords[ 3 ] - P ); - coords[ 0 ] = normalize( coords[ 0 ] ); - coords[ 1 ] = normalize( coords[ 1 ] ); - coords[ 2 ] = normalize( coords[ 2 ] ); - coords[ 3 ] = normalize( coords[ 3 ] ); - vec3 vectorFormFactor = vec3( 0.0 ); - vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] ); - vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] ); - vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] ); - vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] ); - float result = LTC_ClippedSphereFormFactor( vectorFormFactor ); - return vec3( result ); -} -float G_BlinnPhong_Implicit( ) { +#endif`,zx=`float G_BlinnPhong_Implicit( ) { return 0.25; } float D_BlinnPhong( const in float shininess, const in float dotNH ) { @@ -150,41 +159,83 @@ vec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in ve float G = G_BlinnPhong_Implicit( ); float D = D_BlinnPhong( shininess, dotNH ); return F * ( G * D ); -} -#if defined( USE_SHEEN ) -float D_Charlie( float roughness, float dotNH ) { - float alpha = pow2( roughness ); - float invAlpha = 1.0 / alpha; - float cos2h = dotNH * dotNH; - float sin2h = max( 1.0 - cos2h, 0.0078125 ); - return ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI ); -} -float V_Neubelt( float dotNV, float dotNL ) { - return saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) ); -} -vec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) { - vec3 halfDir = normalize( lightDir + viewDir ); - float dotNL = saturate( dot( normal, lightDir ) ); - float dotNV = saturate( dot( normal, viewDir ) ); - float dotNH = saturate( dot( normal, halfDir ) ); - float D = D_Charlie( sheenRoughness, dotNH ); - float V = V_Neubelt( dotNV, dotNL ); - return sheenColor * ( D * V ); -} -#endif`,zg=`#ifdef USE_BUMPMAP +} // validated`,kx=`#ifdef USE_IRIDESCENCE + const mat3 XYZ_TO_REC709 = mat3( + 3.2404542, -0.9692660, 0.0556434, + -1.5371385, 1.8760108, -0.2040259, + -0.4985314, 0.0415560, 1.0572252 + ); + vec3 Fresnel0ToIor( vec3 fresnel0 ) { + vec3 sqrtF0 = sqrt( fresnel0 ); + return ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 ); + } + vec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) { + return pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) ); + } + float IorToFresnel0( float transmittedIor, float incidentIor ) { + return pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor )); + } + vec3 evalSensitivity( float OPD, vec3 shift ) { + float phase = 2.0 * PI * OPD * 1.0e-9; + vec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 ); + vec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 ); + vec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 ); + vec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var ); + xyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) ); + xyz /= 1.0685e-7; + vec3 rgb = XYZ_TO_REC709 * xyz; + return rgb; + } + vec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) { + vec3 I; + float iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) ); + float sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) ); + float cosTheta2Sq = 1.0 - sinTheta2Sq; + if ( cosTheta2Sq < 0.0 ) { + return vec3( 1.0 ); + } + float cosTheta2 = sqrt( cosTheta2Sq ); + float R0 = IorToFresnel0( iridescenceIOR, outsideIOR ); + float R12 = F_Schlick( R0, 1.0, cosTheta1 ); + float T121 = 1.0 - R12; + float phi12 = 0.0; + if ( iridescenceIOR < outsideIOR ) phi12 = PI; + float phi21 = PI - phi12; + vec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) ); vec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR ); + vec3 R23 = F_Schlick( R1, 1.0, cosTheta2 ); + vec3 phi23 = vec3( 0.0 ); + if ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI; + if ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI; + if ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI; + float OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2; + vec3 phi = vec3( phi21 ) + phi23; + vec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 ); + vec3 r123 = sqrt( R123 ); + vec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 ); + vec3 C0 = R12 + Rs; + I = C0; + vec3 Cm = Rs - T121; + for ( int m = 1; m <= 2; ++ m ) { + Cm *= r123; + vec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi ); + I += Cm * Sm; + } + return max( I, vec3( 0.0 ) ); + } +#endif`,Gx=`#ifdef USE_BUMPMAP uniform sampler2D bumpMap; uniform float bumpScale; vec2 dHdxy_fwd() { - vec2 dSTdx = dFdx( vUv ); - vec2 dSTdy = dFdy( vUv ); - float Hll = bumpScale * texture2D( bumpMap, vUv ).x; - float dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll; - float dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll; + vec2 dSTdx = dFdx( vBumpMapUv ); + vec2 dSTdy = dFdy( vBumpMapUv ); + float Hll = bumpScale * texture2D( bumpMap, vBumpMapUv ).x; + float dBx = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdx ).x - Hll; + float dBy = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdy ).x - Hll; return vec2( dBx, dBy ); } vec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) { - vec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) ); - vec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) ); + vec3 vSigmaX = normalize( dFdx( surf_pos.xyz ) ); + vec3 vSigmaY = normalize( dFdy( surf_pos.xyz ) ); vec3 vN = surf_norm; vec3 R1 = cross( vSigmaY, vN ); vec3 R2 = cross( vN, vSigmaX ); @@ -192,46 +243,74 @@ vec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 no vec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 ); return normalize( abs( fDet ) * surf_norm - vGrad ); } -#endif`,Gg=`#if NUM_CLIPPING_PLANES > 0 +#endif`,Vx=`#if NUM_CLIPPING_PLANES > 0 vec4 plane; - #pragma unroll_loop_start - for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) { - plane = clippingPlanes[ i ]; - if ( dot( vClipPosition, plane.xyz ) > plane.w ) discard; - } - #pragma unroll_loop_end - #if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES - bool clipped = true; + #ifdef ALPHA_TO_COVERAGE + float distanceToPlane, distanceGradient; + float clipOpacity = 1.0; #pragma unroll_loop_start - for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) { + for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) { plane = clippingPlanes[ i ]; - clipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped; + distanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w; + distanceGradient = fwidth( distanceToPlane ) / 2.0; + clipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane ); + if ( clipOpacity == 0.0 ) discard; } #pragma unroll_loop_end - if ( clipped ) discard; + #if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES + float unionClipOpacity = 1.0; + #pragma unroll_loop_start + for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) { + plane = clippingPlanes[ i ]; + distanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w; + distanceGradient = fwidth( distanceToPlane ) / 2.0; + unionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane ); + } + #pragma unroll_loop_end + clipOpacity *= 1.0 - unionClipOpacity; + #endif + diffuseColor.a *= clipOpacity; + if ( diffuseColor.a == 0.0 ) discard; + #else + #pragma unroll_loop_start + for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) { + plane = clippingPlanes[ i ]; + if ( dot( vClipPosition, plane.xyz ) > plane.w ) discard; + } + #pragma unroll_loop_end + #if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES + bool clipped = true; + #pragma unroll_loop_start + for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) { + plane = clippingPlanes[ i ]; + clipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped; + } + #pragma unroll_loop_end + if ( clipped ) discard; + #endif #endif -#endif`,kg=`#if NUM_CLIPPING_PLANES > 0 +#endif`,Wx=`#if NUM_CLIPPING_PLANES > 0 varying vec3 vClipPosition; uniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ]; -#endif`,Vg=`#if NUM_CLIPPING_PLANES > 0 +#endif`,Xx=`#if NUM_CLIPPING_PLANES > 0 varying vec3 vClipPosition; -#endif`,Wg=`#if NUM_CLIPPING_PLANES > 0 +#endif`,Yx=`#if NUM_CLIPPING_PLANES > 0 vClipPosition = - mvPosition.xyz; -#endif`,Yg=`#if defined( USE_COLOR_ALPHA ) +#endif`,jx=`#if defined( USE_COLOR_ALPHA ) diffuseColor *= vColor; #elif defined( USE_COLOR ) diffuseColor.rgb *= vColor; -#endif`,jg=`#if defined( USE_COLOR_ALPHA ) +#endif`,qx=`#if defined( USE_COLOR_ALPHA ) varying vec4 vColor; #elif defined( USE_COLOR ) varying vec3 vColor; -#endif`,Xg=`#if defined( USE_COLOR_ALPHA ) +#endif`,Zx=`#if defined( USE_COLOR_ALPHA ) varying vec4 vColor; -#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) +#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR ) varying vec3 vColor; -#endif`,Qg=`#if defined( USE_COLOR_ALPHA ) +#endif`,Qx=`#if defined( USE_COLOR_ALPHA ) vColor = vec4( 1.0 ); -#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) +#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR ) vColor = vec3( 1.0 ); #endif #ifdef USE_COLOR @@ -239,7 +318,11 @@ vec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 no #endif #ifdef USE_INSTANCING_COLOR vColor.xyz *= instanceColor.xyz; -#endif`,qg=`#define PI 3.141592653589793 +#endif +#ifdef USE_BATCHING_COLOR + vec3 batchingColor = getBatchingColor( getIndirectIndex( gl_DrawID ) ); + vColor.xyz *= batchingColor.xyz; +#endif`,Kx=`#define PI 3.141592653589793 #define PI2 6.283185307179586 #define PI_HALF 1.5707963267948966 #define RECIPROCAL_PI 0.3183098861837907 @@ -250,10 +333,11 @@ vec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 no #endif #define whiteComplement( a ) ( 1.0 - saturate( a ) ) float pow2( const in float x ) { return x*x; } +vec3 pow2( const in vec3 x ) { return x*x; } float pow3( const in float x ) { return x*x*x; } float pow4( const in float x ) { float x2 = x*x; return x2*x2; } float max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); } -float average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); } +float average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); } highp float rand( const in vec2 uv ) { const highp float a = 12.9898, b = 78.233, c = 43758.5453; highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI ); @@ -278,14 +362,9 @@ struct ReflectedLight { vec3 indirectDiffuse; vec3 indirectSpecular; }; -struct GeometricContext { - vec3 position; - vec3 normal; - vec3 viewDir; -#ifdef USE_CLEARCOAT - vec3 clearcoatNormal; +#ifdef USE_ALPHAHASH + varying vec3 vPosition; #endif -}; vec3 transformDirection( in vec3 dir, in mat4 matrix ) { return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz ); } @@ -299,10 +378,6 @@ mat3 transposeMat3( const in mat3 m ) { tmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z ); return tmp; } -float linearToRelativeLuminance( const in vec3 color ) { - vec3 weights = vec3( 0.2126, 0.7152, 0.0722 ); - return dot( weights, color.rgb ); -} bool isPerspectiveMatrix( mat4 m ) { return m[ 2 ][ 3 ] == - 1.0; } @@ -310,10 +385,19 @@ vec2 equirectUv( in vec3 dir ) { float u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5; float v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5; return vec2( u, v ); -}`,Zg=`#ifdef ENVMAP_TYPE_CUBE_UV - #define cubeUV_maxMipLevel 8.0 +} +vec3 BRDF_Lambert( const in vec3 diffuseColor ) { + return RECIPROCAL_PI * diffuseColor; +} +vec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) { + float fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH ); + return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel ); +} +float F_Schlick( const in float f0, const in float f90, const in float dotVH ) { + float fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH ); + return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel ); +} // validated`,Jx=`#ifdef ENVMAP_TYPE_CUBE_UV #define cubeUV_minMipLevel 4.0 - #define cubeUV_maxTileSize 256.0 #define cubeUV_minTileSize 16.0 float getFace( vec3 direction ) { vec3 absDirection = abs( direction ); @@ -353,63 +437,48 @@ vec2 equirectUv( in vec3 dir ) { float filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 ); mipInt = max( mipInt, cubeUV_minMipLevel ); float faceSize = exp2( mipInt ); - float texelSize = 1.0 / ( 3.0 * cubeUV_maxTileSize ); - vec2 uv = getUV( direction, face ) * ( faceSize - 1.0 ); - vec2 f = fract( uv ); - uv += 0.5 - f; + highp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0; if ( face > 2.0 ) { uv.y += faceSize; face -= 3.0; } uv.x += face * faceSize; - if ( mipInt < cubeUV_maxMipLevel ) { - uv.y += 2.0 * cubeUV_maxTileSize; - } - uv.y += filterInt * 2.0 * cubeUV_minTileSize; - uv.x += 3.0 * max( 0.0, cubeUV_maxTileSize - 2.0 * faceSize ); - uv *= texelSize; - vec3 tl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb; - uv.x += texelSize; - vec3 tr = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb; - uv.y += texelSize; - vec3 br = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb; - uv.x -= texelSize; - vec3 bl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb; - vec3 tm = mix( tl, tr, f.x ); - vec3 bm = mix( bl, br, f.x ); - return mix( tm, bm, f.y ); - } - #define r0 1.0 - #define v0 0.339 - #define m0 - 2.0 - #define r1 0.8 - #define v1 0.276 - #define m1 - 1.0 - #define r4 0.4 - #define v4 0.046 - #define m4 2.0 - #define r5 0.305 - #define v5 0.016 - #define m5 3.0 - #define r6 0.21 - #define v6 0.0038 - #define m6 4.0 + uv.x += filterInt * 3.0 * cubeUV_minTileSize; + uv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize ); + uv.x *= CUBEUV_TEXEL_WIDTH; + uv.y *= CUBEUV_TEXEL_HEIGHT; + #ifdef texture2DGradEXT + return texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb; + #else + return texture2D( envMap, uv ).rgb; + #endif + } + #define cubeUV_r0 1.0 + #define cubeUV_m0 - 2.0 + #define cubeUV_r1 0.8 + #define cubeUV_m1 - 1.0 + #define cubeUV_r4 0.4 + #define cubeUV_m4 2.0 + #define cubeUV_r5 0.305 + #define cubeUV_m5 3.0 + #define cubeUV_r6 0.21 + #define cubeUV_m6 4.0 float roughnessToMip( float roughness ) { float mip = 0.0; - if ( roughness >= r1 ) { - mip = ( r0 - roughness ) * ( m1 - m0 ) / ( r0 - r1 ) + m0; - } else if ( roughness >= r4 ) { - mip = ( r1 - roughness ) * ( m4 - m1 ) / ( r1 - r4 ) + m1; - } else if ( roughness >= r5 ) { - mip = ( r4 - roughness ) * ( m5 - m4 ) / ( r4 - r5 ) + m4; - } else if ( roughness >= r6 ) { - mip = ( r5 - roughness ) * ( m6 - m5 ) / ( r5 - r6 ) + m5; + if ( roughness >= cubeUV_r1 ) { + mip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0; + } else if ( roughness >= cubeUV_r4 ) { + mip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1; + } else if ( roughness >= cubeUV_r5 ) { + mip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4; + } else if ( roughness >= cubeUV_r6 ) { + mip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5; } else { mip = - 2.0 * log2( 1.16 * roughness ); } return mip; } vec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) { - float mip = clamp( roughnessToMip( roughness ), m0, cubeUV_maxMipLevel ); + float mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP ); float mipF = fract( mip ); float mipInt = floor( mip ); vec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt ); @@ -420,75 +489,58 @@ vec2 equirectUv( in vec3 dir ) { return vec4( mix( color0, color1, mipF ), 1.0 ); } } -#endif`,Jg=`vec3 transformedNormal = objectNormal; +#endif`,$x=`vec3 transformedNormal = objectNormal; +#ifdef USE_TANGENT + vec3 transformedTangent = objectTangent; +#endif +#ifdef USE_BATCHING + mat3 bm = mat3( batchingMatrix ); + transformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) ); + transformedNormal = bm * transformedNormal; + #ifdef USE_TANGENT + transformedTangent = bm * transformedTangent; + #endif +#endif #ifdef USE_INSTANCING - mat3 m = mat3( instanceMatrix ); - transformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) ); - transformedNormal = m * transformedNormal; + mat3 im = mat3( instanceMatrix ); + transformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) ); + transformedNormal = im * transformedNormal; + #ifdef USE_TANGENT + transformedTangent = im * transformedTangent; + #endif #endif transformedNormal = normalMatrix * transformedNormal; #ifdef FLIP_SIDED transformedNormal = - transformedNormal; #endif #ifdef USE_TANGENT - vec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz; + transformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz; #ifdef FLIP_SIDED transformedTangent = - transformedTangent; #endif -#endif`,Kg=`#ifdef USE_DISPLACEMENTMAP +#endif`,e_=`#ifdef USE_DISPLACEMENTMAP uniform sampler2D displacementMap; uniform float displacementScale; uniform float displacementBias; -#endif`,$g=`#ifdef USE_DISPLACEMENTMAP - transformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias ); -#endif`,ev=`#ifdef USE_EMISSIVEMAP - vec4 emissiveColor = texture2D( emissiveMap, vUv ); - emissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb; +#endif`,t_=`#ifdef USE_DISPLACEMENTMAP + transformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias ); +#endif`,i_=`#ifdef USE_EMISSIVEMAP + vec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv ); + #ifdef DECODE_VIDEO_TEXTURE_EMISSIVE + emissiveColor = sRGBTransferEOTF( emissiveColor ); + #endif totalEmissiveRadiance *= emissiveColor.rgb; -#endif`,tv=`#ifdef USE_EMISSIVEMAP +#endif`,n_=`#ifdef USE_EMISSIVEMAP uniform sampler2D emissiveMap; -#endif`,nv="gl_FragColor = linearToOutputTexel( gl_FragColor );",iv=` -vec4 LinearToLinear( in vec4 value ) { +#endif`,r_="gl_FragColor = linearToOutputTexel( gl_FragColor );",s_=`vec4 LinearTransferOETF( in vec4 value ) { return value; } -vec4 GammaToLinear( in vec4 value, in float gammaFactor ) { - return vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a ); -} -vec4 LinearToGamma( in vec4 value, in float gammaFactor ) { - return vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a ); -} -vec4 sRGBToLinear( in vec4 value ) { +vec4 sRGBTransferEOTF( in vec4 value ) { return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a ); } -vec4 LinearTosRGB( in vec4 value ) { +vec4 sRGBTransferOETF( in vec4 value ) { return vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a ); -} -vec4 RGBEToLinear( in vec4 value ) { - return vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 ); -} -vec4 LinearToRGBE( in vec4 value ) { - float maxComponent = max( max( value.r, value.g ), value.b ); - float fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 ); - return vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 ); -} -vec4 RGBMToLinear( in vec4 value, in float maxRange ) { - return vec4( value.rgb * value.a * maxRange, 1.0 ); -} -vec4 LinearToRGBM( in vec4 value, in float maxRange ) { - float maxRGB = max( value.r, max( value.g, value.b ) ); - float M = clamp( maxRGB / maxRange, 0.0, 1.0 ); - M = ceil( M * 255.0 ) / 255.0; - return vec4( value.rgb / ( M * maxRange ), M ); -} -vec4 RGBDToLinear( in vec4 value, in float maxRange ) { - return vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 ); -} -vec4 LinearToRGBD( in vec4 value, in float maxRange ) { - float maxRGB = max( value.r, max( value.g, value.b ) ); - float D = max( maxRange / maxRGB, 1.0 ); - D = clamp( floor( D ) / 255.0, 0.0, 1.0 ); - return vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D ); -}`,rv=`#ifdef USE_ENVMAP +}`,a_=`#ifdef USE_ENVMAP #ifdef ENV_WORLDPOS vec3 cameraToFrag; if ( isOrthographic ) { @@ -506,10 +558,7 @@ vec4 LinearToRGBD( in vec4 value, in float maxRange ) { vec3 reflectVec = vReflect; #endif #ifdef ENVMAP_TYPE_CUBE - vec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) ); - envColor = envMapTexelToLinear( envColor ); - #elif defined( ENVMAP_TYPE_CUBE_UV ) - vec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 ); + vec4 envColor = textureCube( envMap, envMapRotation * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) ); #else vec4 envColor = vec4( 0.0 ); #endif @@ -520,18 +569,19 @@ vec4 LinearToRGBD( in vec4 value, in float maxRange ) { #elif defined( ENVMAP_BLENDING_ADD ) outgoingLight += envColor.xyz * specularStrength * reflectivity; #endif -#endif`,sv=`#ifdef USE_ENVMAP +#endif`,o_=`#ifdef USE_ENVMAP uniform float envMapIntensity; uniform float flipEnvMap; + uniform mat3 envMapRotation; #ifdef ENVMAP_TYPE_CUBE uniform samplerCube envMap; #else uniform sampler2D envMap; #endif -#endif`,av=`#ifdef USE_ENVMAP +#endif`,l_=`#ifdef USE_ENVMAP uniform float reflectivity; - #if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) + #if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT ) #define ENV_WORLDPOS #endif #ifdef ENV_WORLDPOS @@ -540,8 +590,8 @@ vec4 LinearToRGBD( in vec4 value, in float maxRange ) { #else varying vec3 vReflect; #endif -#endif`,ov=`#ifdef USE_ENVMAP - #if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG ) +#endif`,c_=`#ifdef USE_ENVMAP + #if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT ) #define ENV_WORLDPOS #endif #ifdef ENV_WORLDPOS @@ -551,7 +601,7 @@ vec4 LinearToRGBD( in vec4 value, in float maxRange ) { varying vec3 vReflect; uniform float refractionRatio; #endif -#endif`,lv=`#ifdef USE_ENVMAP +#endif`,h_=`#ifdef USE_ENVMAP #ifdef ENV_WORLDPOS vWorldPosition = worldPosition.xyz; #else @@ -568,18 +618,18 @@ vec4 LinearToRGBD( in vec4 value, in float maxRange ) { vReflect = refract( cameraToVertex, worldNormal, refractionRatio ); #endif #endif -#endif`,cv=`#ifdef USE_FOG +#endif`,u_=`#ifdef USE_FOG vFogDepth = - mvPosition.z; -#endif`,uv=`#ifdef USE_FOG +#endif`,d_=`#ifdef USE_FOG varying float vFogDepth; -#endif`,hv=`#ifdef USE_FOG +#endif`,f_=`#ifdef USE_FOG #ifdef FOG_EXP2 float fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth ); #else float fogFactor = smoothstep( fogNear, fogFar, vFogDepth ); #endif gl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor ); -#endif`,dv=`#ifdef USE_FOG +#endif`,p_=`#ifdef USE_FOG uniform vec3 fogColor; varying float vFogDepth; #ifdef FOG_EXP2 @@ -588,102 +638,42 @@ vec4 LinearToRGBD( in vec4 value, in float maxRange ) { uniform float fogNear; uniform float fogFar; #endif -#endif`,fv=`#ifdef USE_GRADIENTMAP +#endif`,m_=`#ifdef USE_GRADIENTMAP uniform sampler2D gradientMap; #endif vec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) { float dotNL = dot( normal, lightDirection ); vec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 ); #ifdef USE_GRADIENTMAP - return texture2D( gradientMap, coord ).rgb; + return vec3( texture2D( gradientMap, coord ).r ); #else - return ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 ); + vec2 fw = fwidth( coord ) * 0.5; + return mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) ); #endif -}`,pv=`#ifdef USE_LIGHTMAP - vec4 lightMapTexel = texture2D( lightMap, vUv2 ); - vec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity; - #ifndef PHYSICALLY_CORRECT_LIGHTS - lightMapIrradiance *= PI; - #endif - reflectedLight.indirectDiffuse += lightMapIrradiance; -#endif`,mv=`#ifdef USE_LIGHTMAP +}`,g_=`#ifdef USE_LIGHTMAP uniform sampler2D lightMap; uniform float lightMapIntensity; -#endif`,gv=`vec3 diffuse = vec3( 1.0 ); -GeometricContext geometry; -geometry.position = mvPosition.xyz; -geometry.normal = normalize( transformedNormal ); -geometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz ); -GeometricContext backGeometry; -backGeometry.position = geometry.position; -backGeometry.normal = -geometry.normal; -backGeometry.viewDir = geometry.viewDir; -vLightFront = vec3( 0.0 ); -vIndirectFront = vec3( 0.0 ); -#ifdef DOUBLE_SIDED - vLightBack = vec3( 0.0 ); - vIndirectBack = vec3( 0.0 ); -#endif -IncidentLight directLight; -float dotNL; -vec3 directLightColor_Diffuse; -vIndirectFront += getAmbientLightIrradiance( ambientLightColor ); -vIndirectFront += getLightProbeIrradiance( lightProbe, geometry.normal ); -#ifdef DOUBLE_SIDED - vIndirectBack += getAmbientLightIrradiance( ambientLightColor ); - vIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry.normal ); -#endif -#if NUM_POINT_LIGHTS > 0 - #pragma unroll_loop_start - for ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) { - getPointLightInfo( pointLights[ i ], geometry, directLight ); - dotNL = dot( geometry.normal, directLight.direction ); - directLightColor_Diffuse = directLight.color; - vLightFront += saturate( dotNL ) * directLightColor_Diffuse; - #ifdef DOUBLE_SIDED - vLightBack += saturate( - dotNL ) * directLightColor_Diffuse; - #endif - } - #pragma unroll_loop_end -#endif -#if NUM_SPOT_LIGHTS > 0 - #pragma unroll_loop_start - for ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) { - getSpotLightInfo( spotLights[ i ], geometry, directLight ); - dotNL = dot( geometry.normal, directLight.direction ); - directLightColor_Diffuse = directLight.color; - vLightFront += saturate( dotNL ) * directLightColor_Diffuse; - #ifdef DOUBLE_SIDED - vLightBack += saturate( - dotNL ) * directLightColor_Diffuse; - #endif - } - #pragma unroll_loop_end -#endif -#if NUM_DIR_LIGHTS > 0 - #pragma unroll_loop_start - for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) { - getDirectionalLightInfo( directionalLights[ i ], geometry, directLight ); - dotNL = dot( geometry.normal, directLight.direction ); - directLightColor_Diffuse = directLight.color; - vLightFront += saturate( dotNL ) * directLightColor_Diffuse; - #ifdef DOUBLE_SIDED - vLightBack += saturate( - dotNL ) * directLightColor_Diffuse; - #endif - } - #pragma unroll_loop_end -#endif -#if NUM_HEMI_LIGHTS > 0 - #pragma unroll_loop_start - for ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) { - vIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal ); - #ifdef DOUBLE_SIDED - vIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry.normal ); - #endif - } - #pragma unroll_loop_end -#endif`,vv=`uniform bool receiveShadow; +#endif`,v_=`LambertMaterial material; +material.diffuseColor = diffuseColor.rgb; +material.specularStrength = specularStrength;`,x_=`varying vec3 vViewPosition; +struct LambertMaterial { + vec3 diffuseColor; + float specularStrength; +}; +void RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) { + float dotNL = saturate( dot( geometryNormal, directLight.direction ) ); + vec3 irradiance = dotNL * directLight.color; + reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); +} +void RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) { + reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); +} +#define RE_Direct RE_Direct_Lambert +#define RE_IndirectDiffuse RE_IndirectDiffuse_Lambert`,__=`uniform bool receiveShadow; uniform vec3 ambientLightColor; -uniform vec3 lightProbe[ 9 ]; +#if defined( USE_LIGHT_PROBES ) + uniform vec3 lightProbe[ 9 ]; +#endif vec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) { float x = normal.x, y = normal.y, z = normal.z; vec3 result = shCoefficients[ 0 ] * 0.886227; @@ -707,18 +697,11 @@ vec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) { return irradiance; } float getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) { - #if defined ( PHYSICALLY_CORRECT_LIGHTS ) - float distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 ); - if ( cutoffDistance > 0.0 ) { - distanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) ); - } - return distanceFalloff; - #else - if ( cutoffDistance > 0.0 && decayExponent > 0.0 ) { - return pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent ); - } - return 1.0; - #endif + float distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 ); + if ( cutoffDistance > 0.0 ) { + distanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) ); + } + return distanceFalloff; } float getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) { return smoothstep( coneCosine, penumbraCosine, angleCosine ); @@ -729,7 +712,7 @@ float getSpotAttenuation( const in float coneCosine, const in float penumbraCosi vec3 color; }; uniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ]; - void getDirectionalLightInfo( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight light ) { + void getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) { light.color = directionalLight.color; light.direction = directionalLight.direction; light.visible = true; @@ -743,8 +726,8 @@ float getSpotAttenuation( const in float coneCosine, const in float penumbraCosi float decay; }; uniform PointLight pointLights[ NUM_POINT_LIGHTS ]; - void getPointLightInfo( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight light ) { - vec3 lVector = pointLight.position - geometry.position; + void getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) { + vec3 lVector = pointLight.position - geometryPosition; light.direction = normalize( lVector ); float lightDistance = length( lVector ); light.color = pointLight.color; @@ -763,8 +746,8 @@ float getSpotAttenuation( const in float coneCosine, const in float penumbraCosi float penumbraCos; }; uniform SpotLight spotLights[ NUM_SPOT_LIGHTS ]; - void getSpotLightInfo( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight light ) { - vec3 lVector = spotLight.position - geometry.position; + void getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) { + vec3 lVector = spotLight.position - geometryPosition; light.direction = normalize( lVector ); float angleCos = dot( light.direction, spotLight.direction ); float spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos ); @@ -802,86 +785,89 @@ float getSpotAttenuation( const in float coneCosine, const in float penumbraCosi vec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight ); return irradiance; } -#endif`,xv=`#if defined( USE_ENVMAP ) - #ifdef ENVMAP_MODE_REFRACTION - uniform float refractionRatio; - #endif +#endif`,y_=`#ifdef USE_ENVMAP vec3 getIBLIrradiance( const in vec3 normal ) { - #if defined( ENVMAP_TYPE_CUBE_UV ) + #ifdef ENVMAP_TYPE_CUBE_UV vec3 worldNormal = inverseTransformDirection( normal, viewMatrix ); - vec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 ); + vec4 envMapColor = textureCubeUV( envMap, envMapRotation * worldNormal, 1.0 ); return PI * envMapColor.rgb * envMapIntensity; #else return vec3( 0.0 ); #endif } vec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) { - #if defined( ENVMAP_TYPE_CUBE_UV ) - vec3 reflectVec; - #ifdef ENVMAP_MODE_REFLECTION - reflectVec = reflect( - viewDir, normal ); - reflectVec = normalize( mix( reflectVec, normal, roughness * roughness) ); - #else - reflectVec = refract( - viewDir, normal, refractionRatio ); - #endif + #ifdef ENVMAP_TYPE_CUBE_UV + vec3 reflectVec = reflect( - viewDir, normal ); + reflectVec = normalize( mix( reflectVec, normal, roughness * roughness) ); reflectVec = inverseTransformDirection( reflectVec, viewMatrix ); - vec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness ); + vec4 envMapColor = textureCubeUV( envMap, envMapRotation * reflectVec, roughness ); return envMapColor.rgb * envMapIntensity; #else return vec3( 0.0 ); #endif } -#endif`,yv=`ToonMaterial material; -material.diffuseColor = diffuseColor.rgb;`,wv=`varying vec3 vViewPosition; + #ifdef USE_ANISOTROPY + vec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) { + #ifdef ENVMAP_TYPE_CUBE_UV + vec3 bentNormal = cross( bitangent, viewDir ); + bentNormal = normalize( cross( bentNormal, bitangent ) ); + bentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) ); + return getIBLRadiance( viewDir, bentNormal, roughness ); + #else + return vec3( 0.0 ); + #endif + } + #endif +#endif`,A_=`ToonMaterial material; +material.diffuseColor = diffuseColor.rgb;`,S_=`varying vec3 vViewPosition; struct ToonMaterial { vec3 diffuseColor; }; -void RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) { - vec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color; +void RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) { + vec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color; reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); } -void RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) { +void RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) { reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); } #define RE_Direct RE_Direct_Toon -#define RE_IndirectDiffuse RE_IndirectDiffuse_Toon -#define Material_LightProbeLOD( material ) (0)`,bv=`BlinnPhongMaterial material; +#define RE_IndirectDiffuse RE_IndirectDiffuse_Toon`,E_=`BlinnPhongMaterial material; material.diffuseColor = diffuseColor.rgb; material.specularColor = specular; material.specularShininess = shininess; -material.specularStrength = specularStrength;`,Av=`varying vec3 vViewPosition; +material.specularStrength = specularStrength;`,M_=`varying vec3 vViewPosition; struct BlinnPhongMaterial { vec3 diffuseColor; vec3 specularColor; float specularShininess; float specularStrength; }; -void RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) { - float dotNL = saturate( dot( geometry.normal, directLight.direction ) ); +void RE_Direct_BlinnPhong( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) { + float dotNL = saturate( dot( geometryNormal, directLight.direction ) ); vec3 irradiance = dotNL * directLight.color; reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); - reflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularShininess ) * material.specularStrength; + reflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength; } -void RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) { +void RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) { reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); } #define RE_Direct RE_Direct_BlinnPhong -#define RE_IndirectDiffuse RE_IndirectDiffuse_BlinnPhong -#define Material_LightProbeLOD( material ) (0)`,Ev=`PhysicalMaterial material; +#define RE_IndirectDiffuse RE_IndirectDiffuse_BlinnPhong`,b_=`PhysicalMaterial material; material.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor ); -vec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) ); +vec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) ); float geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z ); material.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness; material.roughness = min( material.roughness, 1.0 ); #ifdef IOR - #ifdef SPECULAR + material.ior = ior; + #ifdef USE_SPECULAR float specularIntensityFactor = specularIntensity; vec3 specularColorFactor = specularColor; - #ifdef USE_SPECULARINTENSITYMAP - specularIntensityFactor *= texture2D( specularIntensityMap, vUv ).a; + #ifdef USE_SPECULAR_COLORMAP + specularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb; #endif - #ifdef USE_SPECULARCOLORMAP - specularColorFactor *= specularColorMapTexelToLinear( texture2D( specularColorMap, vUv ) ).rgb; + #ifdef USE_SPECULAR_INTENSITYMAP + specularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a; #endif material.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor ); #else @@ -889,7 +875,7 @@ material.roughness = min( material.roughness, 1.0 ); vec3 specularColorFactor = vec3( 1.0 ); material.specularF90 = 1.0; #endif - material.specularColor = mix( min( pow2( ( ior - 1.0 ) / ( ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor ); + material.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor ); #else material.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor ); material.specularF90 = 1.0; @@ -900,41 +886,257 @@ material.roughness = min( material.roughness, 1.0 ); material.clearcoatF0 = vec3( 0.04 ); material.clearcoatF90 = 1.0; #ifdef USE_CLEARCOATMAP - material.clearcoat *= texture2D( clearcoatMap, vUv ).x; + material.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x; #endif #ifdef USE_CLEARCOAT_ROUGHNESSMAP - material.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y; + material.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y; #endif material.clearcoat = saturate( material.clearcoat ); material.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 ); material.clearcoatRoughness += geometryRoughness; material.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 ); #endif -#ifdef USE_SHEEN - material.sheenColor = sheenColor; - #ifdef USE_SHEENCOLORMAP - material.sheenColor *= sheenColorMapTexelToLinear( texture2D( sheenColorMap, vUv ) ).rgb; - #endif - material.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 ); - #ifdef USE_SHEENROUGHNESSMAP - material.sheenRoughness *= texture2D( sheenRoughnessMap, vUv ).a; - #endif -#endif`,Mv=`struct PhysicalMaterial { - vec3 diffuseColor; - float roughness; - vec3 specularColor; - float specularF90; - #ifdef USE_CLEARCOAT - float clearcoat; - float clearcoatRoughness; - vec3 clearcoatF0; - float clearcoatF90; - #endif - #ifdef USE_SHEEN - vec3 sheenColor; - float sheenRoughness; - #endif -}; -vec3 clearcoatSpecular = vec3( 0.0 ); +#ifdef USE_DISPERSION + material.dispersion = dispersion; +#endif +#ifdef USE_IRIDESCENCE + material.iridescence = iridescence; + material.iridescenceIOR = iridescenceIOR; + #ifdef USE_IRIDESCENCEMAP + material.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r; + #endif + #ifdef USE_IRIDESCENCE_THICKNESSMAP + material.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum; + #else + material.iridescenceThickness = iridescenceThicknessMaximum; + #endif +#endif +#ifdef USE_SHEEN + material.sheenColor = sheenColor; + #ifdef USE_SHEEN_COLORMAP + material.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb; + #endif + material.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 ); + #ifdef USE_SHEEN_ROUGHNESSMAP + material.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a; + #endif +#endif +#ifdef USE_ANISOTROPY + #ifdef USE_ANISOTROPYMAP + mat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x ); + vec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb; + vec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b; + #else + vec2 anisotropyV = anisotropyVector; + #endif + material.anisotropy = length( anisotropyV ); + if( material.anisotropy == 0.0 ) { + anisotropyV = vec2( 1.0, 0.0 ); + } else { + anisotropyV /= material.anisotropy; + material.anisotropy = saturate( material.anisotropy ); + } + material.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) ); + material.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y; + material.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y; +#endif`,T_=`struct PhysicalMaterial { + vec3 diffuseColor; + float roughness; + vec3 specularColor; + float specularF90; + float dispersion; + #ifdef USE_CLEARCOAT + float clearcoat; + float clearcoatRoughness; + vec3 clearcoatF0; + float clearcoatF90; + #endif + #ifdef USE_IRIDESCENCE + float iridescence; + float iridescenceIOR; + float iridescenceThickness; + vec3 iridescenceFresnel; + vec3 iridescenceF0; + #endif + #ifdef USE_SHEEN + vec3 sheenColor; + float sheenRoughness; + #endif + #ifdef IOR + float ior; + #endif + #ifdef USE_TRANSMISSION + float transmission; + float transmissionAlpha; + float thickness; + float attenuationDistance; + vec3 attenuationColor; + #endif + #ifdef USE_ANISOTROPY + float anisotropy; + float alphaT; + vec3 anisotropyT; + vec3 anisotropyB; + #endif +}; +vec3 clearcoatSpecularDirect = vec3( 0.0 ); +vec3 clearcoatSpecularIndirect = vec3( 0.0 ); +vec3 sheenSpecularDirect = vec3( 0.0 ); +vec3 sheenSpecularIndirect = vec3(0.0 ); +vec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) { + float x = clamp( 1.0 - dotVH, 0.0, 1.0 ); + float x2 = x * x; + float x5 = clamp( x * x2 * x2, 0.0, 0.9999 ); + return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 ); +} +float V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) { + float a2 = pow2( alpha ); + float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) ); + float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) ); + return 0.5 / max( gv + gl, EPSILON ); +} +float D_GGX( const in float alpha, const in float dotNH ) { + float a2 = pow2( alpha ); + float denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0; + return RECIPROCAL_PI * a2 / pow2( denom ); +} +#ifdef USE_ANISOTROPY + float V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) { + float gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) ); + float gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) ); + float v = 0.5 / ( gv + gl ); + return saturate(v); + } + float D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) { + float a2 = alphaT * alphaB; + highp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH ); + highp float v2 = dot( v, v ); + float w2 = a2 / v2; + return RECIPROCAL_PI * a2 * pow2 ( w2 ); + } +#endif +#ifdef USE_CLEARCOAT + vec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) { + vec3 f0 = material.clearcoatF0; + float f90 = material.clearcoatF90; + float roughness = material.clearcoatRoughness; + float alpha = pow2( roughness ); + vec3 halfDir = normalize( lightDir + viewDir ); + float dotNL = saturate( dot( normal, lightDir ) ); + float dotNV = saturate( dot( normal, viewDir ) ); + float dotNH = saturate( dot( normal, halfDir ) ); + float dotVH = saturate( dot( viewDir, halfDir ) ); + vec3 F = F_Schlick( f0, f90, dotVH ); + float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV ); + float D = D_GGX( alpha, dotNH ); + return F * ( V * D ); + } +#endif +vec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) { + vec3 f0 = material.specularColor; + float f90 = material.specularF90; + float roughness = material.roughness; + float alpha = pow2( roughness ); + vec3 halfDir = normalize( lightDir + viewDir ); + float dotNL = saturate( dot( normal, lightDir ) ); + float dotNV = saturate( dot( normal, viewDir ) ); + float dotNH = saturate( dot( normal, halfDir ) ); + float dotVH = saturate( dot( viewDir, halfDir ) ); + vec3 F = F_Schlick( f0, f90, dotVH ); + #ifdef USE_IRIDESCENCE + F = mix( F, material.iridescenceFresnel, material.iridescence ); + #endif + #ifdef USE_ANISOTROPY + float dotTL = dot( material.anisotropyT, lightDir ); + float dotTV = dot( material.anisotropyT, viewDir ); + float dotTH = dot( material.anisotropyT, halfDir ); + float dotBL = dot( material.anisotropyB, lightDir ); + float dotBV = dot( material.anisotropyB, viewDir ); + float dotBH = dot( material.anisotropyB, halfDir ); + float V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL ); + float D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH ); + #else + float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV ); + float D = D_GGX( alpha, dotNH ); + #endif + return F * ( V * D ); +} +vec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) { + const float LUT_SIZE = 64.0; + const float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE; + const float LUT_BIAS = 0.5 / LUT_SIZE; + float dotNV = saturate( dot( N, V ) ); + vec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) ); + uv = uv * LUT_SCALE + LUT_BIAS; + return uv; +} +float LTC_ClippedSphereFormFactor( const in vec3 f ) { + float l = length( f ); + return max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 ); +} +vec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) { + float x = dot( v1, v2 ); + float y = abs( x ); + float a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y; + float b = 3.4175940 + ( 4.1616724 + y ) * y; + float v = a / b; + float theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v; + return cross( v1, v2 ) * theta_sintheta; +} +vec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) { + vec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ]; + vec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ]; + vec3 lightNormal = cross( v1, v2 ); + if( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 ); + vec3 T1, T2; + T1 = normalize( V - N * dot( V, N ) ); + T2 = - cross( N, T1 ); + mat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) ); + vec3 coords[ 4 ]; + coords[ 0 ] = mat * ( rectCoords[ 0 ] - P ); + coords[ 1 ] = mat * ( rectCoords[ 1 ] - P ); + coords[ 2 ] = mat * ( rectCoords[ 2 ] - P ); + coords[ 3 ] = mat * ( rectCoords[ 3 ] - P ); + coords[ 0 ] = normalize( coords[ 0 ] ); + coords[ 1 ] = normalize( coords[ 1 ] ); + coords[ 2 ] = normalize( coords[ 2 ] ); + coords[ 3 ] = normalize( coords[ 3 ] ); + vec3 vectorFormFactor = vec3( 0.0 ); + vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] ); + vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] ); + vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] ); + vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] ); + float result = LTC_ClippedSphereFormFactor( vectorFormFactor ); + return vec3( result ); +} +#if defined( USE_SHEEN ) +float D_Charlie( float roughness, float dotNH ) { + float alpha = pow2( roughness ); + float invAlpha = 1.0 / alpha; + float cos2h = dotNH * dotNH; + float sin2h = max( 1.0 - cos2h, 0.0078125 ); + return ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI ); +} +float V_Neubelt( float dotNV, float dotNL ) { + return saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) ); +} +vec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) { + vec3 halfDir = normalize( lightDir + viewDir ); + float dotNL = saturate( dot( normal, lightDir ) ); + float dotNV = saturate( dot( normal, viewDir ) ); + float dotNH = saturate( dot( normal, halfDir ) ); + float D = D_Charlie( sheenRoughness, dotNH ); + float V = V_Neubelt( dotNV, dotNL ); + return sheenColor * ( D * V ); +} +#endif +float IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) { + float dotNV = saturate( dot( normal, viewDir ) ); + float r2 = roughness * roughness; + float a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95; + float b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72; + float DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) ); + return saturate( DG * RECIPROCAL_PI ); +} vec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) { float dotNV = saturate( dot( normal, viewDir ) ); const vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 ); @@ -948,20 +1150,29 @@ vec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 vec2 fab = DFGApprox( normal, viewDir, roughness ); return specularColor * fab.x + specularF90 * fab.y; } +#ifdef USE_IRIDESCENCE +void computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) { +#else void computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) { +#endif vec2 fab = DFGApprox( normal, viewDir, roughness ); - vec3 FssEss = specularColor * fab.x + specularF90 * fab.y; + #ifdef USE_IRIDESCENCE + vec3 Fr = mix( specularColor, iridescenceF0, iridescence ); + #else + vec3 Fr = specularColor; + #endif + vec3 FssEss = Fr * fab.x + specularF90 * fab.y; float Ess = fab.x + fab.y; float Ems = 1.0 - Ess; - vec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619; vec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg ); + vec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619; vec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg ); singleScatter += FssEss; multiScatter += Fms * Ems; } #if NUM_RECT_AREA_LIGHTS > 0 - void RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) { - vec3 normal = geometry.normal; - vec3 viewDir = geometry.viewDir; - vec3 position = geometry.position; + void RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) { + vec3 normal = geometryNormal; + vec3 viewDir = geometryViewDir; + vec3 position = geometryPosition; vec3 lightPos = rectAreaLight.position; vec3 halfWidth = rectAreaLight.halfWidth; vec3 halfHeight = rectAreaLight.halfHeight; @@ -984,32 +1195,40 @@ void computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const reflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords ); } #endif -void RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) { - float dotNL = saturate( dot( geometry.normal, directLight.direction ) ); +void RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) { + float dotNL = saturate( dot( geometryNormal, directLight.direction ) ); vec3 irradiance = dotNL * directLight.color; #ifdef USE_CLEARCOAT - float dotNLcc = saturate( dot( geometry.clearcoatNormal, directLight.direction ) ); + float dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) ); vec3 ccIrradiance = dotNLcc * directLight.color; - clearcoatSpecular += ccIrradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.clearcoatNormal, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness ); + clearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material ); #endif #ifdef USE_SHEEN - reflectedLight.directSpecular += irradiance * BRDF_Sheen( directLight.direction, geometry.viewDir, geometry.normal, material.sheenColor, material.sheenRoughness ); + sheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness ); #endif - reflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.roughness ); + reflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometryViewDir, geometryNormal, material ); reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); } -void RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) { +void RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) { reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); } -void RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) { +void RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) { #ifdef USE_CLEARCOAT - clearcoatSpecular += clearcoatRadiance * EnvironmentBRDF( geometry.clearcoatNormal, geometry.viewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness ); + clearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness ); + #endif + #ifdef USE_SHEEN + sheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness ); #endif vec3 singleScattering = vec3( 0.0 ); vec3 multiScattering = vec3( 0.0 ); vec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI; - computeMultiscattering( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering ); - vec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) ); + #ifdef USE_IRIDESCENCE + computeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering ); + #else + computeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering ); + #endif + vec3 totalScattering = singleScattering + multiScattering; + vec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) ); reflectedLight.indirectSpecular += radiance * singleScattering; reflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance; reflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance; @@ -1020,13 +1239,25 @@ void RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradia #define RE_IndirectSpecular RE_IndirectSpecular_Physical float computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) { return saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion ); -}`,Sv=` -GeometricContext geometry; -geometry.position = - vViewPosition; -geometry.normal = normal; -geometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition ); +}`,w_=` +vec3 geometryPosition = - vViewPosition; +vec3 geometryNormal = normal; +vec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition ); +vec3 geometryClearcoatNormal = vec3( 0.0 ); #ifdef USE_CLEARCOAT - geometry.clearcoatNormal = clearcoatNormal; + geometryClearcoatNormal = clearcoatNormal; +#endif +#ifdef USE_IRIDESCENCE + float dotNVi = saturate( dot( normal, geometryViewDir ) ); + if ( material.iridescenceThickness == 0.0 ) { + material.iridescence = 0.0; + } else { + material.iridescence = saturate( material.iridescence ); + } + if ( material.iridescence > 0.0 ) { + material.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor ); + material.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi ); + } #endif IncidentLight directLight; #if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct ) @@ -1037,29 +1268,46 @@ IncidentLight directLight; #pragma unroll_loop_start for ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) { pointLight = pointLights[ i ]; - getPointLightInfo( pointLight, geometry, directLight ); + getPointLightInfo( pointLight, geometryPosition, directLight ); #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS ) pointLightShadow = pointLightShadows[ i ]; - directLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0; + directLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowIntensity, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0; #endif - RE_Direct( directLight, geometry, material, reflectedLight ); + RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); } #pragma unroll_loop_end #endif #if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct ) SpotLight spotLight; + vec4 spotColor; + vec3 spotLightCoord; + bool inSpotLightMap; #if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0 SpotLightShadow spotLightShadow; #endif #pragma unroll_loop_start for ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) { spotLight = spotLights[ i ]; - getSpotLightInfo( spotLight, geometry, directLight ); + getSpotLightInfo( spotLight, geometryPosition, directLight ); + #if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS ) + #define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX + #elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS ) + #define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS + #else + #define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS ) + #endif + #if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS ) + spotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w; + inSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) ); + spotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy ); + directLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color; + #endif + #undef SPOT_LIGHT_MAP_INDEX #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS ) spotLightShadow = spotLightShadows[ i ]; - directLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0; + directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowIntensity, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0; #endif - RE_Direct( directLight, geometry, material, reflectedLight ); + RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); } #pragma unroll_loop_end #endif @@ -1071,12 +1319,12 @@ IncidentLight directLight; #pragma unroll_loop_start for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) { directionalLight = directionalLights[ i ]; - getDirectionalLightInfo( directionalLight, geometry, directLight ); + getDirectionalLightInfo( directionalLight, directLight ); #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS ) directionalLightShadow = directionalLightShadows[ i ]; - directLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0; + directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowIntensity, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0; #endif - RE_Direct( directLight, geometry, material, reflectedLight ); + RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); } #pragma unroll_loop_end #endif @@ -1085,18 +1333,20 @@ IncidentLight directLight; #pragma unroll_loop_start for ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) { rectAreaLight = rectAreaLights[ i ]; - RE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight ); + RE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); } #pragma unroll_loop_end #endif #if defined( RE_IndirectDiffuse ) vec3 iblIrradiance = vec3( 0.0 ); vec3 irradiance = getAmbientLightIrradiance( ambientLightColor ); - irradiance += getLightProbeIrradiance( lightProbe, geometry.normal ); + #if defined( USE_LIGHT_PROBES ) + irradiance += getLightProbeIrradiance( lightProbe, geometryNormal ); + #endif #if ( NUM_HEMI_LIGHTS > 0 ) #pragma unroll_loop_start for ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) { - irradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal ); + irradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal ); } #pragma unroll_loop_end #endif @@ -1104,159 +1354,162 @@ IncidentLight directLight; #if defined( RE_IndirectSpecular ) vec3 radiance = vec3( 0.0 ); vec3 clearcoatRadiance = vec3( 0.0 ); -#endif`,_v=`#if defined( RE_IndirectDiffuse ) +#endif`,C_=`#if defined( RE_IndirectDiffuse ) #ifdef USE_LIGHTMAP - vec4 lightMapTexel = texture2D( lightMap, vUv2 ); - vec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity; - #ifndef PHYSICALLY_CORRECT_LIGHTS - lightMapIrradiance *= PI; - #endif + vec4 lightMapTexel = texture2D( lightMap, vLightMapUv ); + vec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity; irradiance += lightMapIrradiance; #endif #if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV ) - iblIrradiance += getIBLIrradiance( geometry.normal ); + iblIrradiance += getIBLIrradiance( geometryNormal ); #endif #endif #if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular ) - radiance += getIBLRadiance( geometry.viewDir, geometry.normal, material.roughness ); + #ifdef USE_ANISOTROPY + radiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy ); + #else + radiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness ); + #endif #ifdef USE_CLEARCOAT - clearcoatRadiance += getIBLRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness ); + clearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness ); #endif -#endif`,Tv=`#if defined( RE_IndirectDiffuse ) - RE_IndirectDiffuse( irradiance, geometry, material, reflectedLight ); +#endif`,R_=`#if defined( RE_IndirectDiffuse ) + RE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); #endif #if defined( RE_IndirectSpecular ) - RE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight ); -#endif`,Cv=`#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT ) - gl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5; -#endif`,Dv=`#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT ) + RE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); +#endif`,D_=`#if defined( USE_LOGDEPTHBUF ) + gl_FragDepth = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5; +#endif`,P_=`#if defined( USE_LOGDEPTHBUF ) uniform float logDepthBufFC; varying float vFragDepth; varying float vIsPerspective; -#endif`,Rv=`#ifdef USE_LOGDEPTHBUF - #ifdef USE_LOGDEPTHBUF_EXT - varying float vFragDepth; - varying float vIsPerspective; - #else - uniform float logDepthBufFC; +#endif`,I_=`#ifdef USE_LOGDEPTHBUF + varying float vFragDepth; + varying float vIsPerspective; +#endif`,U_=`#ifdef USE_LOGDEPTHBUF + vFragDepth = 1.0 + gl_Position.w; + vIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) ); +#endif`,L_=`#ifdef USE_MAP + vec4 sampledDiffuseColor = texture2D( map, vMapUv ); + #ifdef DECODE_VIDEO_TEXTURE + sampledDiffuseColor = sRGBTransferEOTF( sampledDiffuseColor ); #endif -#endif`,Pv=`#ifdef USE_LOGDEPTHBUF - #ifdef USE_LOGDEPTHBUF_EXT - vFragDepth = 1.0 + gl_Position.w; - vIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) ); + diffuseColor *= sampledDiffuseColor; +#endif`,B_=`#ifdef USE_MAP + uniform sampler2D map; +#endif`,O_=`#if defined( USE_MAP ) || defined( USE_ALPHAMAP ) + #if defined( USE_POINTS_UV ) + vec2 uv = vUv; #else - if ( isPerspectiveMatrix( projectionMatrix ) ) { - gl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0; - gl_Position.z *= gl_Position.w; - } + vec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy; #endif -#endif`,Lv=`#ifdef USE_MAP - vec4 texelColor = texture2D( map, vUv ); - texelColor = mapTexelToLinear( texelColor ); - diffuseColor *= texelColor; -#endif`,Iv=`#ifdef USE_MAP - uniform sampler2D map; -#endif`,Bv=`#if defined( USE_MAP ) || defined( USE_ALPHAMAP ) - vec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy; #endif #ifdef USE_MAP - vec4 mapTexel = texture2D( map, uv ); - diffuseColor *= mapTexelToLinear( mapTexel ); + diffuseColor *= texture2D( map, uv ); #endif #ifdef USE_ALPHAMAP diffuseColor.a *= texture2D( alphaMap, uv ).g; -#endif`,Uv=`#if defined( USE_MAP ) || defined( USE_ALPHAMAP ) - uniform mat3 uvTransform; +#endif`,N_=`#if defined( USE_POINTS_UV ) + varying vec2 vUv; +#else + #if defined( USE_MAP ) || defined( USE_ALPHAMAP ) + uniform mat3 uvTransform; + #endif #endif #ifdef USE_MAP uniform sampler2D map; #endif #ifdef USE_ALPHAMAP uniform sampler2D alphaMap; -#endif`,Fv=`float metalnessFactor = metalness; +#endif`,F_=`float metalnessFactor = metalness; #ifdef USE_METALNESSMAP - vec4 texelMetalness = texture2D( metalnessMap, vUv ); + vec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv ); metalnessFactor *= texelMetalness.b; -#endif`,Ov=`#ifdef USE_METALNESSMAP +#endif`,H_=`#ifdef USE_METALNESSMAP uniform sampler2D metalnessMap; -#endif`,Nv=`#ifdef USE_MORPHNORMALS +#endif`,z_=`#ifdef USE_INSTANCING_MORPH + float morphTargetInfluences[ MORPHTARGETS_COUNT ]; + float morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r; + for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) { + morphTargetInfluences[i] = texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r; + } +#endif`,k_=`#if defined( USE_MORPHCOLORS ) + vColor *= morphTargetBaseInfluence; + for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) { + #if defined( USE_COLOR_ALPHA ) + if ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ]; + #elif defined( USE_COLOR ) + if ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ]; + #endif + } +#endif`,G_=`#ifdef USE_MORPHNORMALS objectNormal *= morphTargetBaseInfluence; - #ifdef MORPHTARGETS_TEXTURE - for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) { - if ( morphTargetInfluences[ i ] > 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1, 2 ) * morphTargetInfluences[ i ]; - } - #else - objectNormal += morphNormal0 * morphTargetInfluences[ 0 ]; - objectNormal += morphNormal1 * morphTargetInfluences[ 1 ]; - objectNormal += morphNormal2 * morphTargetInfluences[ 2 ]; - objectNormal += morphNormal3 * morphTargetInfluences[ 3 ]; - #endif -#endif`,Hv=`#ifdef USE_MORPHTARGETS - uniform float morphTargetBaseInfluence; - #ifdef MORPHTARGETS_TEXTURE + for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) { + if ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ]; + } +#endif`,V_=`#ifdef USE_MORPHTARGETS + #ifndef USE_INSTANCING_MORPH + uniform float morphTargetBaseInfluence; uniform float morphTargetInfluences[ MORPHTARGETS_COUNT ]; - uniform sampler2DArray morphTargetsTexture; - uniform vec2 morphTargetsTextureSize; - vec3 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset, const in int stride ) { - float texelIndex = float( vertexIndex * stride + offset ); - float y = floor( texelIndex / morphTargetsTextureSize.x ); - float x = texelIndex - y * morphTargetsTextureSize.x; - vec3 morphUV = vec3( ( x + 0.5 ) / morphTargetsTextureSize.x, y / morphTargetsTextureSize.y, morphTargetIndex ); - return texture( morphTargetsTexture, morphUV ).xyz; - } - #else - #ifndef USE_MORPHNORMALS - uniform float morphTargetInfluences[ 8 ]; - #else - uniform float morphTargetInfluences[ 4 ]; - #endif #endif -#endif`,zv=`#ifdef USE_MORPHTARGETS + uniform sampler2DArray morphTargetsTexture; + uniform ivec2 morphTargetsTextureSize; + vec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) { + int texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset; + int y = texelIndex / morphTargetsTextureSize.x; + int x = texelIndex - y * morphTargetsTextureSize.x; + ivec3 morphUV = ivec3( x, y, morphTargetIndex ); + return texelFetch( morphTargetsTexture, morphUV, 0 ); + } +#endif`,W_=`#ifdef USE_MORPHTARGETS transformed *= morphTargetBaseInfluence; - #ifdef MORPHTARGETS_TEXTURE - for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) { - #ifndef USE_MORPHNORMALS - if ( morphTargetInfluences[ i ] > 0.0 ) transformed += getMorph( gl_VertexID, i, 0, 1 ) * morphTargetInfluences[ i ]; - #else - if ( morphTargetInfluences[ i ] > 0.0 ) transformed += getMorph( gl_VertexID, i, 0, 2 ) * morphTargetInfluences[ i ]; - #endif - } - #else - transformed += morphTarget0 * morphTargetInfluences[ 0 ]; - transformed += morphTarget1 * morphTargetInfluences[ 1 ]; - transformed += morphTarget2 * morphTargetInfluences[ 2 ]; - transformed += morphTarget3 * morphTargetInfluences[ 3 ]; - #ifndef USE_MORPHNORMALS - transformed += morphTarget4 * morphTargetInfluences[ 4 ]; - transformed += morphTarget5 * morphTargetInfluences[ 5 ]; - transformed += morphTarget6 * morphTargetInfluences[ 6 ]; - transformed += morphTarget7 * morphTargetInfluences[ 7 ]; - #endif - #endif -#endif`,Gv=`float faceDirection = gl_FrontFacing ? 1.0 : - 1.0; + for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) { + if ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ]; + } +#endif`,X_=`float faceDirection = gl_FrontFacing ? 1.0 : - 1.0; #ifdef FLAT_SHADED - vec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) ); - vec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) ); + vec3 fdx = dFdx( vViewPosition ); + vec3 fdy = dFdy( vViewPosition ); vec3 normal = normalize( cross( fdx, fdy ) ); #else vec3 normal = normalize( vNormal ); #ifdef DOUBLE_SIDED - normal = normal * faceDirection; + normal *= faceDirection; #endif +#endif +#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) #ifdef USE_TANGENT - vec3 tangent = normalize( vTangent ); - vec3 bitangent = normalize( vBitangent ); - #ifdef DOUBLE_SIDED - tangent = tangent * faceDirection; - bitangent = bitangent * faceDirection; - #endif - #if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP ) - mat3 vTBN = mat3( tangent, bitangent, normal ); + mat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal ); + #else + mat3 tbn = getTangentFrame( - vViewPosition, normal, + #if defined( USE_NORMALMAP ) + vNormalMapUv + #elif defined( USE_CLEARCOAT_NORMALMAP ) + vClearcoatNormalMapUv + #else + vUv #endif + ); + #endif + #if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED ) + tbn[0] *= faceDirection; + tbn[1] *= faceDirection; + #endif +#endif +#ifdef USE_CLEARCOAT_NORMALMAP + #ifdef USE_TANGENT + mat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal ); + #else + mat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv ); + #endif + #if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED ) + tbn2[0] *= faceDirection; + tbn2[1] *= faceDirection; #endif #endif -vec3 geometryNormal = normal;`,kv=`#ifdef OBJECTSPACE_NORMALMAP - normal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0; +vec3 nonPerturbedNormal = normal;`,Y_=`#ifdef USE_NORMALMAP_OBJECTSPACE + normal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0; #ifdef FLIP_SIDED normal = - normal; #endif @@ -1264,143 +1517,184 @@ vec3 geometryNormal = normal;`,kv=`#ifdef OBJECTSPACE_NORMALMAP normal = normal * faceDirection; #endif normal = normalize( normalMatrix * normal ); -#elif defined( TANGENTSPACE_NORMALMAP ) - vec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0; +#elif defined( USE_NORMALMAP_TANGENTSPACE ) + vec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0; mapN.xy *= normalScale; - #ifdef USE_TANGENT - normal = normalize( vTBN * mapN ); - #else - normal = perturbNormal2Arb( - vViewPosition, normal, mapN, faceDirection ); - #endif + normal = normalize( tbn * mapN ); #elif defined( USE_BUMPMAP ) normal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection ); -#endif`,Vv=`#ifndef FLAT_SHADED +#endif`,j_=`#ifndef FLAT_SHADED varying vec3 vNormal; #ifdef USE_TANGENT varying vec3 vTangent; varying vec3 vBitangent; #endif -#endif`,Wv=`#ifndef FLAT_SHADED +#endif`,q_=`#ifndef FLAT_SHADED varying vec3 vNormal; #ifdef USE_TANGENT varying vec3 vTangent; varying vec3 vBitangent; #endif -#endif`,Yv=`#ifndef FLAT_SHADED +#endif`,Z_=`#ifndef FLAT_SHADED vNormal = normalize( transformedNormal ); #ifdef USE_TANGENT vTangent = normalize( transformedTangent ); vBitangent = normalize( cross( vNormal, vTangent ) * tangent.w ); #endif -#endif`,jv=`#ifdef USE_NORMALMAP +#endif`,Q_=`#ifdef USE_NORMALMAP uniform sampler2D normalMap; uniform vec2 normalScale; #endif -#ifdef OBJECTSPACE_NORMALMAP +#ifdef USE_NORMALMAP_OBJECTSPACE uniform mat3 normalMatrix; #endif -#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) ) - vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN, float faceDirection ) { - vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) ); - vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) ); - vec2 st0 = dFdx( vUv.st ); - vec2 st1 = dFdy( vUv.st ); +#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) ) + mat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) { + vec3 q0 = dFdx( eye_pos.xyz ); + vec3 q1 = dFdy( eye_pos.xyz ); + vec2 st0 = dFdx( uv.st ); + vec2 st1 = dFdy( uv.st ); vec3 N = surf_norm; vec3 q1perp = cross( q1, N ); vec3 q0perp = cross( N, q0 ); vec3 T = q1perp * st0.x + q0perp * st1.x; vec3 B = q1perp * st0.y + q0perp * st1.y; float det = max( dot( T, T ), dot( B, B ) ); - float scale = ( det == 0.0 ) ? 0.0 : faceDirection * inversesqrt( det ); - return normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z ); + float scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det ); + return mat3( T * scale, B * scale, N ); } -#endif`,Xv=`#ifdef USE_CLEARCOAT - vec3 clearcoatNormal = geometryNormal; -#endif`,Qv=`#ifdef USE_CLEARCOAT_NORMALMAP - vec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0; +#endif`,K_=`#ifdef USE_CLEARCOAT + vec3 clearcoatNormal = nonPerturbedNormal; +#endif`,J_=`#ifdef USE_CLEARCOAT_NORMALMAP + vec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0; clearcoatMapN.xy *= clearcoatNormalScale; - #ifdef USE_TANGENT - clearcoatNormal = normalize( vTBN * clearcoatMapN ); - #else - clearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection ); - #endif -#endif`,qv=`#ifdef USE_CLEARCOATMAP + clearcoatNormal = normalize( tbn2 * clearcoatMapN ); +#endif`,$_=`#ifdef USE_CLEARCOATMAP uniform sampler2D clearcoatMap; #endif -#ifdef USE_CLEARCOAT_ROUGHNESSMAP - uniform sampler2D clearcoatRoughnessMap; -#endif #ifdef USE_CLEARCOAT_NORMALMAP uniform sampler2D clearcoatNormalMap; uniform vec2 clearcoatNormalScale; -#endif`,Zv=`#ifdef OPAQUE +#endif +#ifdef USE_CLEARCOAT_ROUGHNESSMAP + uniform sampler2D clearcoatRoughnessMap; +#endif`,ey=`#ifdef USE_IRIDESCENCEMAP + uniform sampler2D iridescenceMap; +#endif +#ifdef USE_IRIDESCENCE_THICKNESSMAP + uniform sampler2D iridescenceThicknessMap; +#endif`,ty=`#ifdef OPAQUE diffuseColor.a = 1.0; #endif #ifdef USE_TRANSMISSION -diffuseColor.a *= transmissionAlpha + 0.1; +diffuseColor.a *= material.transmissionAlpha; #endif -gl_FragColor = vec4( outgoingLight, diffuseColor.a );`,Jv=`vec3 packNormalToRGB( const in vec3 normal ) { +gl_FragColor = vec4( outgoingLight, diffuseColor.a );`,iy=`vec3 packNormalToRGB( const in vec3 normal ) { return normalize( normal ) * 0.5 + 0.5; } vec3 unpackRGBToNormal( const in vec3 rgb ) { return 2.0 * rgb.xyz - 1.0; } -const float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.; -const vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. ); -const vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. ); -const float ShiftRight8 = 1. / 256.; +const float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;const float ShiftRight8 = 1. / 256.; +const float Inv255 = 1. / 255.; +const vec4 PackFactors = vec4( 1.0, 256.0, 256.0 * 256.0, 256.0 * 256.0 * 256.0 ); +const vec2 UnpackFactors2 = vec2( UnpackDownscale, 1.0 / PackFactors.g ); +const vec3 UnpackFactors3 = vec3( UnpackDownscale / PackFactors.rg, 1.0 / PackFactors.b ); +const vec4 UnpackFactors4 = vec4( UnpackDownscale / PackFactors.rgb, 1.0 / PackFactors.a ); vec4 packDepthToRGBA( const in float v ) { - vec4 r = vec4( fract( v * PackFactors ), v ); - r.yzw -= r.xyz * ShiftRight8; return r * PackUpscale; + if( v <= 0.0 ) + return vec4( 0., 0., 0., 0. ); + if( v >= 1.0 ) + return vec4( 1., 1., 1., 1. ); + float vuf; + float af = modf( v * PackFactors.a, vuf ); + float bf = modf( vuf * ShiftRight8, vuf ); + float gf = modf( vuf * ShiftRight8, vuf ); + return vec4( vuf * Inv255, gf * PackUpscale, bf * PackUpscale, af ); +} +vec3 packDepthToRGB( const in float v ) { + if( v <= 0.0 ) + return vec3( 0., 0., 0. ); + if( v >= 1.0 ) + return vec3( 1., 1., 1. ); + float vuf; + float bf = modf( v * PackFactors.b, vuf ); + float gf = modf( vuf * ShiftRight8, vuf ); + return vec3( vuf * Inv255, gf * PackUpscale, bf ); +} +vec2 packDepthToRG( const in float v ) { + if( v <= 0.0 ) + return vec2( 0., 0. ); + if( v >= 1.0 ) + return vec2( 1., 1. ); + float vuf; + float gf = modf( v * 256., vuf ); + return vec2( vuf * Inv255, gf ); } float unpackRGBAToDepth( const in vec4 v ) { - return dot( v, UnpackFactors ); + return dot( v, UnpackFactors4 ); } -vec4 pack2HalfToRGBA( vec2 v ) { +float unpackRGBToDepth( const in vec3 v ) { + return dot( v, UnpackFactors3 ); +} +float unpackRGToDepth( const in vec2 v ) { + return v.r * UnpackFactors2.r + v.g * UnpackFactors2.g; +} +vec4 pack2HalfToRGBA( const in vec2 v ) { vec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) ); return vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w ); } -vec2 unpackRGBATo2Half( vec4 v ) { +vec2 unpackRGBATo2Half( const in vec4 v ) { return vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) ); } float viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) { return ( viewZ + near ) / ( near - far ); } -float orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) { - return linearClipZ * ( near - far ) - near; +float orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) { + return depth * ( near - far ) - near; } float viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) { return ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ ); } -float perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) { - return ( near * far ) / ( ( far - near ) * invClipZ - far ); -}`,Kv=`#ifdef PREMULTIPLIED_ALPHA +float perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) { + return ( near * far ) / ( ( far - near ) * depth - far ); +}`,ny=`#ifdef PREMULTIPLIED_ALPHA gl_FragColor.rgb *= gl_FragColor.a; -#endif`,$v=`vec4 mvPosition = vec4( transformed, 1.0 ); +#endif`,ry=`vec4 mvPosition = vec4( transformed, 1.0 ); +#ifdef USE_BATCHING + mvPosition = batchingMatrix * mvPosition; +#endif #ifdef USE_INSTANCING mvPosition = instanceMatrix * mvPosition; #endif mvPosition = modelViewMatrix * mvPosition; -gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING +gl_Position = projectionMatrix * mvPosition;`,sy=`#ifdef DITHERING gl_FragColor.rgb = dithering( gl_FragColor.rgb ); -#endif`,t0=`#ifdef DITHERING +#endif`,ay=`#ifdef DITHERING vec3 dithering( vec3 color ) { float grid_position = rand( gl_FragCoord.xy ); vec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 ); dither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position ); return color + dither_shift_RGB; } -#endif`,n0=`float roughnessFactor = roughness; +#endif`,oy=`float roughnessFactor = roughness; #ifdef USE_ROUGHNESSMAP - vec4 texelRoughness = texture2D( roughnessMap, vUv ); + vec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv ); roughnessFactor *= texelRoughness.g; -#endif`,i0=`#ifdef USE_ROUGHNESSMAP +#endif`,ly=`#ifdef USE_ROUGHNESSMAP uniform sampler2D roughnessMap; -#endif`,r0=`#ifdef USE_SHADOWMAP +#endif`,cy=`#if NUM_SPOT_LIGHT_COORDS > 0 + varying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ]; +#endif +#if NUM_SPOT_LIGHT_MAPS > 0 + uniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ]; +#endif +#ifdef USE_SHADOWMAP #if NUM_DIR_LIGHT_SHADOWS > 0 uniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ]; varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ]; struct DirectionalLightShadow { + float shadowIntensity; float shadowBias; float shadowNormalBias; float shadowRadius; @@ -1410,8 +1704,8 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING #endif #if NUM_SPOT_LIGHT_SHADOWS > 0 uniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ]; - varying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ]; struct SpotLightShadow { + float shadowIntensity; float shadowBias; float shadowNormalBias; float shadowRadius; @@ -1423,6 +1717,7 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING uniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ]; varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ]; struct PointLightShadow { + float shadowIntensity; float shadowBias; float shadowNormalBias; float shadowRadius; @@ -1449,14 +1744,12 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING } return occlusion; } - float getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) { + float getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) { float shadow = 1.0; shadowCoord.xyz /= shadowCoord.w; shadowCoord.z += shadowBias; - bvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 ); - bool inFrustum = all( inFrustumVec ); - bvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 ); - bool frustumTest = all( frustumTestVec ); + bool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0; + bool frustumTest = inFrustum && shadowCoord.z <= 1.0; if ( frustumTest ) { #if defined( SHADOWMAP_TYPE_PCF ) vec2 texelSize = vec2( 1.0 ) / shadowMapSize; @@ -1499,22 +1792,22 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING texture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) + texture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) + texture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) + - mix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), + mix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ), f.x ) + - mix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), + mix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ), f.x ) + - mix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), + mix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ), f.y ) + - mix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), + mix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ), f.y ) + - mix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), + mix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ), f.x ), - mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), + mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ), f.x ), f.y ) @@ -1525,7 +1818,7 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING shadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ); #endif } - return shadow; + return mix( 1.0, shadow, shadowIntensity ); } vec2 cubeToUV( vec3 v, float texelSizeY ) { vec3 absV = abs( v ); @@ -1548,33 +1841,44 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING } return vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 ); } - float getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) { - vec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) ); + float getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) { + float shadow = 1.0; vec3 lightToPosition = shadowCoord.xyz; - float dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear ); dp += shadowBias; - vec3 bd3D = normalize( lightToPosition ); - #if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM ) - vec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y; - return ( - texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) + - texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) + - texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) + - texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) + - texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) + - texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) + - texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) + - texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) + - texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp ) - ) * ( 1.0 / 9.0 ); - #else - return texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ); - #endif + + float lightToPositionLength = length( lightToPosition ); + if ( lightToPositionLength - shadowCameraFar <= 0.0 && lightToPositionLength - shadowCameraNear >= 0.0 ) { + float dp = ( lightToPositionLength - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear ); dp += shadowBias; + vec3 bd3D = normalize( lightToPosition ); + vec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) ); + #if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM ) + vec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y; + shadow = ( + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp ) + ) * ( 1.0 / 9.0 ); + #else + shadow = texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ); + #endif + } + return mix( 1.0, shadow, shadowIntensity ); } -#endif`,s0=`#ifdef USE_SHADOWMAP +#endif`,hy=`#if NUM_SPOT_LIGHT_COORDS > 0 + uniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ]; + varying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ]; +#endif +#ifdef USE_SHADOWMAP #if NUM_DIR_LIGHT_SHADOWS > 0 uniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ]; varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ]; struct DirectionalLightShadow { + float shadowIntensity; float shadowBias; float shadowNormalBias; float shadowRadius; @@ -1583,9 +1887,8 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING uniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ]; #endif #if NUM_SPOT_LIGHT_SHADOWS > 0 - uniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ]; - varying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ]; struct SpotLightShadow { + float shadowIntensity; float shadowBias; float shadowNormalBias; float shadowRadius; @@ -1597,6 +1900,7 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING uniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ]; varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ]; struct PointLightShadow { + float shadowIntensity; float shadowBias; float shadowNormalBias; float shadowRadius; @@ -1606,36 +1910,39 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING }; uniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ]; #endif -#endif`,a0=`#ifdef USE_SHADOWMAP - #if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 - vec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix ); - vec4 shadowWorldPosition; - #endif +#endif`,uy=`#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 ) + vec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix ); + vec4 shadowWorldPosition; +#endif +#if defined( USE_SHADOWMAP ) #if NUM_DIR_LIGHT_SHADOWS > 0 - #pragma unroll_loop_start - for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) { - shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 ); - vDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition; - } - #pragma unroll_loop_end - #endif - #if NUM_SPOT_LIGHT_SHADOWS > 0 - #pragma unroll_loop_start - for ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) { - shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias, 0 ); - vSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * shadowWorldPosition; - } - #pragma unroll_loop_end + #pragma unroll_loop_start + for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) { + shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 ); + vDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition; + } + #pragma unroll_loop_end #endif #if NUM_POINT_LIGHT_SHADOWS > 0 + #pragma unroll_loop_start + for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) { + shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 ); + vPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition; + } + #pragma unroll_loop_end + #endif +#endif +#if NUM_SPOT_LIGHT_COORDS > 0 #pragma unroll_loop_start - for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) { - shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 ); - vPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition; + for ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) { + shadowWorldPosition = worldPosition; + #if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS ) + shadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias; + #endif + vSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition; } #pragma unroll_loop_end - #endif -#endif`,o0=`float getShadowMask() { +#endif`,dy=`float getShadowMask() { float shadow = 1.0; #ifdef USE_SHADOWMAP #if NUM_DIR_LIGHT_SHADOWS > 0 @@ -1643,7 +1950,7 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING #pragma unroll_loop_start for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) { directionalLight = directionalLightShadows[ i ]; - shadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0; + shadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowIntensity, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0; } #pragma unroll_loop_end #endif @@ -1652,7 +1959,7 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING #pragma unroll_loop_start for ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) { spotLight = spotLightShadows[ i ]; - shadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0; + shadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowIntensity, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0; } #pragma unroll_loop_end #endif @@ -1661,45 +1968,33 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING #pragma unroll_loop_start for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) { pointLight = pointLightShadows[ i ]; - shadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0; + shadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowIntensity, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0; } #pragma unroll_loop_end #endif #endif return shadow; -}`,l0=`#ifdef USE_SKINNING +}`,fy=`#ifdef USE_SKINNING mat4 boneMatX = getBoneMatrix( skinIndex.x ); mat4 boneMatY = getBoneMatrix( skinIndex.y ); mat4 boneMatZ = getBoneMatrix( skinIndex.z ); mat4 boneMatW = getBoneMatrix( skinIndex.w ); -#endif`,c0=`#ifdef USE_SKINNING +#endif`,py=`#ifdef USE_SKINNING uniform mat4 bindMatrix; uniform mat4 bindMatrixInverse; - #ifdef BONE_TEXTURE - uniform highp sampler2D boneTexture; - uniform int boneTextureSize; - mat4 getBoneMatrix( const in float i ) { - float j = i * 4.0; - float x = mod( j, float( boneTextureSize ) ); - float y = floor( j / float( boneTextureSize ) ); - float dx = 1.0 / float( boneTextureSize ); - float dy = 1.0 / float( boneTextureSize ); - y = dy * ( y + 0.5 ); - vec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) ); - vec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) ); - vec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) ); - vec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) ); - mat4 bone = mat4( v1, v2, v3, v4 ); - return bone; - } - #else - uniform mat4 boneMatrices[ MAX_BONES ]; - mat4 getBoneMatrix( const in float i ) { - mat4 bone = boneMatrices[ int(i) ]; - return bone; - } - #endif -#endif`,u0=`#ifdef USE_SKINNING + uniform highp sampler2D boneTexture; + mat4 getBoneMatrix( const in float i ) { + int size = textureSize( boneTexture, 0 ).x; + int j = int( i ) * 4; + int x = j % size; + int y = j / size; + vec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 ); + vec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 ); + vec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 ); + vec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 ); + return mat4( v1, v2, v3, v4 ); + } +#endif`,my=`#ifdef USE_SKINNING vec4 skinVertex = bindMatrix * vec4( transformed, 1.0 ); vec4 skinned = vec4( 0.0 ); skinned += boneMatX * skinVertex * skinWeight.x; @@ -1707,7 +2002,7 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING skinned += boneMatZ * skinVertex * skinWeight.z; skinned += boneMatW * skinVertex * skinWeight.w; transformed = ( bindMatrixInverse * skinned ).xyz; -#endif`,h0=`#ifdef USE_SKINNING +#endif`,gy=`#ifdef USE_SKINNING mat4 skinMatrix = mat4( 0.0 ); skinMatrix += skinWeight.x * boneMatX; skinMatrix += skinWeight.y * boneMatY; @@ -1718,28 +2013,28 @@ gl_Position = projectionMatrix * mvPosition;`,e0=`#ifdef DITHERING #ifdef USE_TANGENT objectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz; #endif -#endif`,d0=`float specularStrength; +#endif`,vy=`float specularStrength; #ifdef USE_SPECULARMAP - vec4 texelSpecular = texture2D( specularMap, vUv ); + vec4 texelSpecular = texture2D( specularMap, vSpecularMapUv ); specularStrength = texelSpecular.r; #else specularStrength = 1.0; -#endif`,f0=`#ifdef USE_SPECULARMAP +#endif`,xy=`#ifdef USE_SPECULARMAP uniform sampler2D specularMap; -#endif`,p0=`#if defined( TONE_MAPPING ) +#endif`,_y=`#if defined( TONE_MAPPING ) gl_FragColor.rgb = toneMapping( gl_FragColor.rgb ); -#endif`,m0=`#ifndef saturate +#endif`,yy=`#ifndef saturate #define saturate( a ) clamp( a, 0.0, 1.0 ) #endif uniform float toneMappingExposure; vec3 LinearToneMapping( vec3 color ) { - return toneMappingExposure * color; + return saturate( toneMappingExposure * color ); } vec3 ReinhardToneMapping( vec3 color ) { color *= toneMappingExposure; return saturate( color / ( vec3( 1.0 ) + color ) ); } -vec3 OptimizedCineonToneMapping( vec3 color ) { +vec3 CineonToneMapping( vec3 color ) { color *= toneMappingExposure; color = max( vec3( 0.0 ), color - 0.004 ); return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) ); @@ -1764,26 +2059,89 @@ vec3 ACESFilmicToneMapping( vec3 color ) { color = ACESOutputMat * color; return saturate( color ); } -vec3 CustomToneMapping( vec3 color ) { return color; }`,g0=`#ifdef USE_TRANSMISSION - float transmissionAlpha = 1.0; - float transmissionFactor = transmission; - float thicknessFactor = thickness; +const mat3 LINEAR_REC2020_TO_LINEAR_SRGB = mat3( + vec3( 1.6605, - 0.1246, - 0.0182 ), + vec3( - 0.5876, 1.1329, - 0.1006 ), + vec3( - 0.0728, - 0.0083, 1.1187 ) +); +const mat3 LINEAR_SRGB_TO_LINEAR_REC2020 = mat3( + vec3( 0.6274, 0.0691, 0.0164 ), + vec3( 0.3293, 0.9195, 0.0880 ), + vec3( 0.0433, 0.0113, 0.8956 ) +); +vec3 agxDefaultContrastApprox( vec3 x ) { + vec3 x2 = x * x; + vec3 x4 = x2 * x2; + return + 15.5 * x4 * x2 + - 40.14 * x4 * x + + 31.96 * x4 + - 6.868 * x2 * x + + 0.4298 * x2 + + 0.1191 * x + - 0.00232; +} +vec3 AgXToneMapping( vec3 color ) { + const mat3 AgXInsetMatrix = mat3( + vec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ), + vec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ), + vec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 ) + ); + const mat3 AgXOutsetMatrix = mat3( + vec3( 1.1271005818144368, - 0.1413297634984383, - 0.14132976349843826 ), + vec3( - 0.11060664309660323, 1.157823702216272, - 0.11060664309660294 ), + vec3( - 0.016493938717834573, - 0.016493938717834257, 1.2519364065950405 ) + ); + const float AgxMinEv = - 12.47393; const float AgxMaxEv = 4.026069; + color *= toneMappingExposure; + color = LINEAR_SRGB_TO_LINEAR_REC2020 * color; + color = AgXInsetMatrix * color; + color = max( color, 1e-10 ); color = log2( color ); + color = ( color - AgxMinEv ) / ( AgxMaxEv - AgxMinEv ); + color = clamp( color, 0.0, 1.0 ); + color = agxDefaultContrastApprox( color ); + color = AgXOutsetMatrix * color; + color = pow( max( vec3( 0.0 ), color ), vec3( 2.2 ) ); + color = LINEAR_REC2020_TO_LINEAR_SRGB * color; + color = clamp( color, 0.0, 1.0 ); + return color; +} +vec3 NeutralToneMapping( vec3 color ) { + const float StartCompression = 0.8 - 0.04; + const float Desaturation = 0.15; + color *= toneMappingExposure; + float x = min( color.r, min( color.g, color.b ) ); + float offset = x < 0.08 ? x - 6.25 * x * x : 0.04; + color -= offset; + float peak = max( color.r, max( color.g, color.b ) ); + if ( peak < StartCompression ) return color; + float d = 1. - StartCompression; + float newPeak = 1. - d * d / ( peak + d - StartCompression ); + color *= newPeak / peak; + float g = 1. - 1. / ( Desaturation * ( peak - newPeak ) + 1. ); + return mix( color, vec3( newPeak ), g ); +} +vec3 CustomToneMapping( vec3 color ) { return color; }`,Ay=`#ifdef USE_TRANSMISSION + material.transmission = transmission; + material.transmissionAlpha = 1.0; + material.thickness = thickness; + material.attenuationDistance = attenuationDistance; + material.attenuationColor = attenuationColor; #ifdef USE_TRANSMISSIONMAP - transmissionFactor *= texture2D( transmissionMap, vUv ).r; + material.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r; #endif #ifdef USE_THICKNESSMAP - thicknessFactor *= texture2D( thicknessMap, vUv ).g; + material.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g; #endif vec3 pos = vWorldPosition; vec3 v = normalize( cameraPosition - pos ); vec3 n = inverseTransformDirection( normal, viewMatrix ); - vec4 transmission = getIBLVolumeRefraction( - n, v, roughnessFactor, material.diffuseColor, material.specularColor, material.specularF90, - pos, modelMatrix, viewMatrix, projectionMatrix, ior, thicknessFactor, - attenuationColor, attenuationDistance ); - totalDiffuse = mix( totalDiffuse, transmission.rgb, transmissionFactor ); - transmissionAlpha = mix( transmissionAlpha, transmission.a, transmissionFactor ); -#endif`,v0=`#ifdef USE_TRANSMISSION + vec4 transmitted = getIBLVolumeRefraction( + n, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90, + pos, modelMatrix, viewMatrix, projectionMatrix, material.dispersion, material.ior, material.thickness, + material.attenuationColor, material.attenuationDistance ); + material.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission ); + totalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission ); +#endif`,Sy=`#ifdef USE_TRANSMISSION uniform float transmission; uniform float thickness; uniform float attenuationDistance; @@ -1799,7 +2157,57 @@ vec3 CustomToneMapping( vec3 color ) { return color; }`,g0=`#ifdef USE_TRANSMISS uniform mat4 modelMatrix; uniform mat4 projectionMatrix; varying vec3 vWorldPosition; - vec3 getVolumeTransmissionRay( vec3 n, vec3 v, float thickness, float ior, mat4 modelMatrix ) { + float w0( float a ) { + return ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 ); + } + float w1( float a ) { + return ( 1.0 / 6.0 ) * ( a * a * ( 3.0 * a - 6.0 ) + 4.0 ); + } + float w2( float a ){ + return ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 ); + } + float w3( float a ) { + return ( 1.0 / 6.0 ) * ( a * a * a ); + } + float g0( float a ) { + return w0( a ) + w1( a ); + } + float g1( float a ) { + return w2( a ) + w3( a ); + } + float h0( float a ) { + return - 1.0 + w1( a ) / ( w0( a ) + w1( a ) ); + } + float h1( float a ) { + return 1.0 + w3( a ) / ( w2( a ) + w3( a ) ); + } + vec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) { + uv = uv * texelSize.zw + 0.5; + vec2 iuv = floor( uv ); + vec2 fuv = fract( uv ); + float g0x = g0( fuv.x ); + float g1x = g1( fuv.x ); + float h0x = h0( fuv.x ); + float h1x = h1( fuv.x ); + float h0y = h0( fuv.y ); + float h1y = h1( fuv.y ); + vec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy; + vec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy; + vec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy; + vec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy; + return g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) + + g1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) ); + } + vec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) { + vec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) ); + vec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) ); + vec2 fLodSizeInv = 1.0 / fLodSize; + vec2 cLodSizeInv = 1.0 / cLodSize; + vec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) ); + vec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) ); + return mix( fSample, cSample, fract( lod ) ); + } + vec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) { vec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior ); vec3 modelScale; modelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) ); @@ -1807,95 +2215,368 @@ vec3 CustomToneMapping( vec3 color ) { return color; }`,g0=`#ifdef USE_TRANSMISS modelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) ); return normalize( refractionVector ) * thickness * modelScale; } - float applyIorToRoughness( float roughness, float ior ) { + float applyIorToRoughness( const in float roughness, const in float ior ) { return roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 ); } - vec4 getTransmissionSample( vec2 fragCoord, float roughness, float ior ) { - float framebufferLod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior ); - #ifdef TEXTURE_LOD_EXT - return texture2DLodEXT( transmissionSamplerMap, fragCoord.xy, framebufferLod ); - #else - return texture2D( transmissionSamplerMap, fragCoord.xy, framebufferLod ); - #endif + vec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) { + float lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior ); + return textureBicubic( transmissionSamplerMap, fragCoord.xy, lod ); } - vec3 applyVolumeAttenuation( vec3 radiance, float transmissionDistance, vec3 attenuationColor, float attenuationDistance ) { - if ( attenuationDistance == 0.0 ) { - return radiance; + vec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) { + if ( isinf( attenuationDistance ) ) { + return vec3( 1.0 ); } else { vec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance; - vec3 transmittance = exp( - attenuationCoefficient * transmissionDistance ); return transmittance * radiance; + vec3 transmittance = exp( - attenuationCoefficient * transmissionDistance ); return transmittance; } } - vec4 getIBLVolumeRefraction( vec3 n, vec3 v, float roughness, vec3 diffuseColor, vec3 specularColor, float specularF90, - vec3 position, mat4 modelMatrix, mat4 viewMatrix, mat4 projMatrix, float ior, float thickness, - vec3 attenuationColor, float attenuationDistance ) { - vec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix ); - vec3 refractedRayExit = position + transmissionRay; - vec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 ); - vec2 refractionCoords = ndcPos.xy / ndcPos.w; - refractionCoords += 1.0; - refractionCoords /= 2.0; - vec4 transmittedLight = getTransmissionSample( refractionCoords, roughness, ior ); - vec3 attenuatedColor = applyVolumeAttenuation( transmittedLight.rgb, length( transmissionRay ), attenuationColor, attenuationDistance ); + vec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor, + const in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix, + const in mat4 viewMatrix, const in mat4 projMatrix, const in float dispersion, const in float ior, const in float thickness, + const in vec3 attenuationColor, const in float attenuationDistance ) { + vec4 transmittedLight; + vec3 transmittance; + #ifdef USE_DISPERSION + float halfSpread = ( ior - 1.0 ) * 0.025 * dispersion; + vec3 iors = vec3( ior - halfSpread, ior, ior + halfSpread ); + for ( int i = 0; i < 3; i ++ ) { + vec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, iors[ i ], modelMatrix ); + vec3 refractedRayExit = position + transmissionRay; + vec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 ); + vec2 refractionCoords = ndcPos.xy / ndcPos.w; + refractionCoords += 1.0; + refractionCoords /= 2.0; + vec4 transmissionSample = getTransmissionSample( refractionCoords, roughness, iors[ i ] ); + transmittedLight[ i ] = transmissionSample[ i ]; + transmittedLight.a += transmissionSample.a; + transmittance[ i ] = diffuseColor[ i ] * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance )[ i ]; + } + transmittedLight.a /= 3.0; + #else + vec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix ); + vec3 refractedRayExit = position + transmissionRay; + vec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 ); + vec2 refractionCoords = ndcPos.xy / ndcPos.w; + refractionCoords += 1.0; + refractionCoords /= 2.0; + transmittedLight = getTransmissionSample( refractionCoords, roughness, ior ); + transmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance ); + #endif + vec3 attenuatedColor = transmittance * transmittedLight.rgb; vec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness ); - return vec4( ( 1.0 - F ) * attenuatedColor * diffuseColor, transmittedLight.a ); + float transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0; + return vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor ); } -#endif`,x0=`#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) ) +#endif`,Ey=`#if defined( USE_UV ) || defined( USE_ANISOTROPY ) varying vec2 vUv; -#endif`,y0=`#ifdef USE_UV - #ifdef UVS_VERTEX_ONLY - vec2 vUv; - #else - varying vec2 vUv; - #endif - uniform mat3 uvTransform; -#endif`,w0=`#ifdef USE_UV - vUv = ( uvTransform * vec3( uv, 1 ) ).xy; -#endif`,b0=`#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP ) - varying vec2 vUv2; -#endif`,A0=`#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP ) - attribute vec2 uv2; - varying vec2 vUv2; - uniform mat3 uv2Transform; -#endif`,E0=`#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP ) - vUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy; -#endif`,M0=`#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) +#endif +#ifdef USE_MAP + varying vec2 vMapUv; +#endif +#ifdef USE_ALPHAMAP + varying vec2 vAlphaMapUv; +#endif +#ifdef USE_LIGHTMAP + varying vec2 vLightMapUv; +#endif +#ifdef USE_AOMAP + varying vec2 vAoMapUv; +#endif +#ifdef USE_BUMPMAP + varying vec2 vBumpMapUv; +#endif +#ifdef USE_NORMALMAP + varying vec2 vNormalMapUv; +#endif +#ifdef USE_EMISSIVEMAP + varying vec2 vEmissiveMapUv; +#endif +#ifdef USE_METALNESSMAP + varying vec2 vMetalnessMapUv; +#endif +#ifdef USE_ROUGHNESSMAP + varying vec2 vRoughnessMapUv; +#endif +#ifdef USE_ANISOTROPYMAP + varying vec2 vAnisotropyMapUv; +#endif +#ifdef USE_CLEARCOATMAP + varying vec2 vClearcoatMapUv; +#endif +#ifdef USE_CLEARCOAT_NORMALMAP + varying vec2 vClearcoatNormalMapUv; +#endif +#ifdef USE_CLEARCOAT_ROUGHNESSMAP + varying vec2 vClearcoatRoughnessMapUv; +#endif +#ifdef USE_IRIDESCENCEMAP + varying vec2 vIridescenceMapUv; +#endif +#ifdef USE_IRIDESCENCE_THICKNESSMAP + varying vec2 vIridescenceThicknessMapUv; +#endif +#ifdef USE_SHEEN_COLORMAP + varying vec2 vSheenColorMapUv; +#endif +#ifdef USE_SHEEN_ROUGHNESSMAP + varying vec2 vSheenRoughnessMapUv; +#endif +#ifdef USE_SPECULARMAP + varying vec2 vSpecularMapUv; +#endif +#ifdef USE_SPECULAR_COLORMAP + varying vec2 vSpecularColorMapUv; +#endif +#ifdef USE_SPECULAR_INTENSITYMAP + varying vec2 vSpecularIntensityMapUv; +#endif +#ifdef USE_TRANSMISSIONMAP + uniform mat3 transmissionMapTransform; + varying vec2 vTransmissionMapUv; +#endif +#ifdef USE_THICKNESSMAP + uniform mat3 thicknessMapTransform; + varying vec2 vThicknessMapUv; +#endif`,My=`#if defined( USE_UV ) || defined( USE_ANISOTROPY ) + varying vec2 vUv; +#endif +#ifdef USE_MAP + uniform mat3 mapTransform; + varying vec2 vMapUv; +#endif +#ifdef USE_ALPHAMAP + uniform mat3 alphaMapTransform; + varying vec2 vAlphaMapUv; +#endif +#ifdef USE_LIGHTMAP + uniform mat3 lightMapTransform; + varying vec2 vLightMapUv; +#endif +#ifdef USE_AOMAP + uniform mat3 aoMapTransform; + varying vec2 vAoMapUv; +#endif +#ifdef USE_BUMPMAP + uniform mat3 bumpMapTransform; + varying vec2 vBumpMapUv; +#endif +#ifdef USE_NORMALMAP + uniform mat3 normalMapTransform; + varying vec2 vNormalMapUv; +#endif +#ifdef USE_DISPLACEMENTMAP + uniform mat3 displacementMapTransform; + varying vec2 vDisplacementMapUv; +#endif +#ifdef USE_EMISSIVEMAP + uniform mat3 emissiveMapTransform; + varying vec2 vEmissiveMapUv; +#endif +#ifdef USE_METALNESSMAP + uniform mat3 metalnessMapTransform; + varying vec2 vMetalnessMapUv; +#endif +#ifdef USE_ROUGHNESSMAP + uniform mat3 roughnessMapTransform; + varying vec2 vRoughnessMapUv; +#endif +#ifdef USE_ANISOTROPYMAP + uniform mat3 anisotropyMapTransform; + varying vec2 vAnisotropyMapUv; +#endif +#ifdef USE_CLEARCOATMAP + uniform mat3 clearcoatMapTransform; + varying vec2 vClearcoatMapUv; +#endif +#ifdef USE_CLEARCOAT_NORMALMAP + uniform mat3 clearcoatNormalMapTransform; + varying vec2 vClearcoatNormalMapUv; +#endif +#ifdef USE_CLEARCOAT_ROUGHNESSMAP + uniform mat3 clearcoatRoughnessMapTransform; + varying vec2 vClearcoatRoughnessMapUv; +#endif +#ifdef USE_SHEEN_COLORMAP + uniform mat3 sheenColorMapTransform; + varying vec2 vSheenColorMapUv; +#endif +#ifdef USE_SHEEN_ROUGHNESSMAP + uniform mat3 sheenRoughnessMapTransform; + varying vec2 vSheenRoughnessMapUv; +#endif +#ifdef USE_IRIDESCENCEMAP + uniform mat3 iridescenceMapTransform; + varying vec2 vIridescenceMapUv; +#endif +#ifdef USE_IRIDESCENCE_THICKNESSMAP + uniform mat3 iridescenceThicknessMapTransform; + varying vec2 vIridescenceThicknessMapUv; +#endif +#ifdef USE_SPECULARMAP + uniform mat3 specularMapTransform; + varying vec2 vSpecularMapUv; +#endif +#ifdef USE_SPECULAR_COLORMAP + uniform mat3 specularColorMapTransform; + varying vec2 vSpecularColorMapUv; +#endif +#ifdef USE_SPECULAR_INTENSITYMAP + uniform mat3 specularIntensityMapTransform; + varying vec2 vSpecularIntensityMapUv; +#endif +#ifdef USE_TRANSMISSIONMAP + uniform mat3 transmissionMapTransform; + varying vec2 vTransmissionMapUv; +#endif +#ifdef USE_THICKNESSMAP + uniform mat3 thicknessMapTransform; + varying vec2 vThicknessMapUv; +#endif`,by=`#if defined( USE_UV ) || defined( USE_ANISOTROPY ) + vUv = vec3( uv, 1 ).xy; +#endif +#ifdef USE_MAP + vMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy; +#endif +#ifdef USE_ALPHAMAP + vAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_LIGHTMAP + vLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_AOMAP + vAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_BUMPMAP + vBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_NORMALMAP + vNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_DISPLACEMENTMAP + vDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_EMISSIVEMAP + vEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_METALNESSMAP + vMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_ROUGHNESSMAP + vRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_ANISOTROPYMAP + vAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_CLEARCOATMAP + vClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_CLEARCOAT_NORMALMAP + vClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_CLEARCOAT_ROUGHNESSMAP + vClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_IRIDESCENCEMAP + vIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_IRIDESCENCE_THICKNESSMAP + vIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_SHEEN_COLORMAP + vSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_SHEEN_ROUGHNESSMAP + vSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_SPECULARMAP + vSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_SPECULAR_COLORMAP + vSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_SPECULAR_INTENSITYMAP + vSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_TRANSMISSIONMAP + vTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_THICKNESSMAP + vThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy; +#endif`,Ty=`#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0 vec4 worldPosition = vec4( transformed, 1.0 ); + #ifdef USE_BATCHING + worldPosition = batchingMatrix * worldPosition; + #endif #ifdef USE_INSTANCING worldPosition = instanceMatrix * worldPosition; #endif worldPosition = modelMatrix * worldPosition; -#endif`,S0=`varying vec2 vUv; +#endif`,wy=`varying vec2 vUv; uniform mat3 uvTransform; void main() { vUv = ( uvTransform * vec3( uv, 1 ) ).xy; gl_Position = vec4( position.xy, 1.0, 1.0 ); -}`,_0=`uniform sampler2D t2D; +}`,Cy=`uniform sampler2D t2D; +uniform float backgroundIntensity; varying vec2 vUv; void main() { vec4 texColor = texture2D( t2D, vUv ); - gl_FragColor = mapTexelToLinear( texColor ); + #ifdef DECODE_VIDEO_TEXTURE + texColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w ); + #endif + texColor.rgb *= backgroundIntensity; + gl_FragColor = texColor; #include - #include -}`,T0=`varying vec3 vWorldDirection; + #include +}`,Ry=`varying vec3 vWorldDirection; #include void main() { vWorldDirection = transformDirection( position, modelMatrix ); #include #include gl_Position.z = gl_Position.w; -}`,C0=`#include -uniform float opacity; +}`,Dy=`#ifdef ENVMAP_TYPE_CUBE + uniform samplerCube envMap; +#elif defined( ENVMAP_TYPE_CUBE_UV ) + uniform sampler2D envMap; +#endif +uniform float flipEnvMap; +uniform float backgroundBlurriness; +uniform float backgroundIntensity; +uniform mat3 backgroundRotation; varying vec3 vWorldDirection; #include void main() { - vec3 vReflect = vWorldDirection; - #include - gl_FragColor = envColor; + #ifdef ENVMAP_TYPE_CUBE + vec4 texColor = textureCube( envMap, backgroundRotation * vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) ); + #elif defined( ENVMAP_TYPE_CUBE_UV ) + vec4 texColor = textureCubeUV( envMap, backgroundRotation * vWorldDirection, backgroundBlurriness ); + #else + vec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 ); + #endif + texColor.rgb *= backgroundIntensity; + gl_FragColor = texColor; + #include + #include +}`,Py=`varying vec3 vWorldDirection; +#include +void main() { + vWorldDirection = transformDirection( position, modelMatrix ); + #include + #include + gl_Position.z = gl_Position.w; +}`,Iy=`uniform samplerCube tCube; +uniform float tFlip; +uniform float opacity; +varying vec3 vWorldDirection; +void main() { + vec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) ); + gl_FragColor = texColor; gl_FragColor.a *= opacity; #include - #include -}`,D0=`#include + #include +}`,Uy=`#include +#include #include #include #include @@ -1905,7 +2586,9 @@ void main() { varying vec2 vHighPrecisionZW; void main() { #include + #include #include + #include #ifdef USE_DISPLACEMENTMAP #include #include @@ -1919,7 +2602,7 @@ void main() { #include #include vHighPrecisionZW = gl_Position.zw; -}`,R0=`#if DEPTH_PACKING == 3200 +}`,Ly=`#if DEPTH_PACKING == 3200 uniform float opacity; #endif #include @@ -1928,28 +2611,35 @@ void main() { #include #include #include +#include #include #include varying vec2 vHighPrecisionZW; void main() { - #include vec4 diffuseColor = vec4( 1.0 ); + #include #if DEPTH_PACKING == 3200 diffuseColor.a = opacity; #endif #include #include #include + #include #include float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5; #if DEPTH_PACKING == 3200 gl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity ); #elif DEPTH_PACKING == 3201 gl_FragColor = packDepthToRGBA( fragCoordZ ); + #elif DEPTH_PACKING == 3202 + gl_FragColor = vec4( packDepthToRGB( fragCoordZ ), 1.0 ); + #elif DEPTH_PACKING == 3203 + gl_FragColor = vec4( packDepthToRG( fragCoordZ ), 0.0, 1.0 ); #endif -}`,P0=`#define DISTANCE +}`,By=`#define DISTANCE varying vec3 vWorldPosition; #include +#include #include #include #include @@ -1957,7 +2647,9 @@ varying vec3 vWorldPosition; #include void main() { #include + #include #include + #include #ifdef USE_DISPLACEMENTMAP #include #include @@ -1971,7 +2663,7 @@ void main() { #include #include vWorldPosition = worldPosition.xyz; -}`,L0=`#define DISTANCE +}`,Oy=`#define DISTANCE uniform vec3 referencePosition; uniform float nearDistance; uniform float farDistance; @@ -1982,37 +2674,39 @@ varying vec3 vWorldPosition; #include #include #include +#include #include void main () { - #include vec4 diffuseColor = vec4( 1.0 ); + #include #include #include #include + #include float dist = length( vWorldPosition - referencePosition ); dist = ( dist - nearDistance ) / ( farDistance - nearDistance ); dist = saturate( dist ); gl_FragColor = packDepthToRGBA( dist ); -}`,I0=`varying vec3 vWorldDirection; +}`,Ny=`varying vec3 vWorldDirection; #include void main() { vWorldDirection = transformDirection( position, modelMatrix ); #include #include -}`,B0=`uniform sampler2D tEquirect; +}`,Fy=`uniform sampler2D tEquirect; varying vec3 vWorldDirection; #include void main() { vec3 direction = normalize( vWorldDirection ); vec2 sampleUV = equirectUv( direction ); - vec4 texColor = texture2D( tEquirect, sampleUV ); - gl_FragColor = mapTexelToLinear( texColor ); + gl_FragColor = texture2D( tEquirect, sampleUV ); #include - #include -}`,U0=`uniform float scale; + #include +}`,Hy=`uniform float scale; attribute float lineDistance; varying float vLineDistance; #include +#include #include #include #include @@ -2020,41 +2714,47 @@ varying float vLineDistance; #include void main() { vLineDistance = scale * lineDistance; + #include #include + #include + #include #include #include #include #include #include #include -}`,F0=`uniform vec3 diffuse; +}`,zy=`uniform vec3 diffuse; uniform float opacity; uniform float dashSize; uniform float totalSize; varying float vLineDistance; #include #include +#include +#include #include #include #include void main() { + vec4 diffuseColor = vec4( diffuse, opacity ); #include if ( mod( vLineDistance, totalSize ) > dashSize ) { discard; } vec3 outgoingLight = vec3( 0.0 ); - vec4 diffuseColor = vec4( diffuse, opacity ); #include + #include #include outgoingLight = diffuseColor.rgb; - #include + #include #include - #include + #include #include #include -}`,O0=`#include +}`,ky=`#include +#include #include -#include #include #include #include @@ -2064,8 +2764,10 @@ void main() { #include void main() { #include - #include #include + #include + #include + #include #if defined ( USE_ENVMAP ) || defined ( USE_SKINNING ) #include #include @@ -2082,7 +2784,7 @@ void main() { #include #include #include -}`,N0=`uniform vec3 diffuse; +}`,Gy=`uniform vec3 diffuse; uniform float opacity; #ifndef FLAT_SHADED varying vec3 vNormal; @@ -2091,32 +2793,32 @@ uniform float opacity; #include #include #include -#include #include #include #include +#include #include #include #include #include -#include #include #include #include #include void main() { - #include vec4 diffuseColor = vec4( diffuse, opacity ); + #include #include #include #include #include #include + #include #include ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) ); #ifdef USE_LIGHTMAP - vec4 lightMapTexel= texture2D( lightMap, vUv2 ); - reflectedLight.indirectDiffuse += lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity; + vec4 lightMapTexel = texture2D( lightMap, vLightMapUv ); + reflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI; #else reflectedLight.indirectDiffuse += vec3( 1.0 ); #endif @@ -2124,27 +2826,22 @@ void main() { reflectedLight.indirectDiffuse *= diffuseColor.rgb; vec3 outgoingLight = reflectedLight.indirectDiffuse; #include - #include + #include #include - #include + #include #include #include #include -}`,H0=`#define LAMBERT -varying vec3 vLightFront; -varying vec3 vIndirectFront; -#ifdef DOUBLE_SIDED - varying vec3 vLightBack; - varying vec3 vIndirectBack; -#endif +}`,Vy=`#define LAMBERT +varying vec3 vViewPosition; #include +#include #include -#include +#include #include -#include -#include #include #include +#include #include #include #include @@ -2152,59 +2849,60 @@ varying vec3 vIndirectFront; #include void main() { #include - #include #include + #include + #include + #include #include #include #include #include #include + #include #include #include #include + #include #include #include #include + vViewPosition = - mvPosition.xyz; #include #include - #include #include #include -}`,z0=`uniform vec3 diffuse; +}`,Wy=`#define LAMBERT +uniform vec3 diffuse; uniform vec3 emissive; uniform float opacity; -varying vec3 vLightFront; -varying vec3 vIndirectFront; -#ifdef DOUBLE_SIDED - varying vec3 vLightBack; - varying vec3 vIndirectBack; -#endif #include #include #include #include #include -#include #include #include #include +#include #include #include #include #include #include -#include +#include #include #include -#include +#include +#include #include -#include +#include +#include #include #include #include void main() { - #include vec4 diffuseColor = vec4( diffuse, opacity ); + #include ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) ); vec3 totalEmissiveRadiance = emissive; #include @@ -2212,33 +2910,28 @@ void main() { #include #include #include + #include #include + #include + #include #include - #ifdef DOUBLE_SIDED - reflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack; - #else - reflectedLight.indirectDiffuse += vIndirectFront; - #endif - #include - reflectedLight.indirectDiffuse *= BRDF_Lambert( diffuseColor.rgb ); - #ifdef DOUBLE_SIDED - reflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack; - #else - reflectedLight.directDiffuse = vLightFront; - #endif - reflectedLight.directDiffuse *= BRDF_Lambert( diffuseColor.rgb ) * getShadowMask(); + #include + #include + #include + #include #include vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance; #include - #include + #include #include - #include + #include #include #include #include -}`,G0=`#define MATCAP +}`,Xy=`#define MATCAP varying vec3 vViewPosition; #include +#include #include #include #include @@ -2251,6 +2944,9 @@ varying vec3 vViewPosition; void main() { #include #include + #include + #include + #include #include #include #include @@ -2266,7 +2962,7 @@ void main() { #include #include vViewPosition = - mvPosition.xyz; -}`,k0=`#define MATCAP +}`,Yy=`#define MATCAP uniform vec3 diffuse; uniform float opacity; uniform sampler2D matcap; @@ -2278,6 +2974,7 @@ varying vec3 vViewPosition; #include #include #include +#include #include #include #include @@ -2285,13 +2982,14 @@ varying vec3 vViewPosition; #include #include void main() { - #include vec4 diffuseColor = vec4( diffuse, opacity ); + #include #include #include #include #include #include + #include #include #include vec3 viewDir = normalize( vViewPosition ); @@ -2300,22 +2998,22 @@ void main() { vec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5; #ifdef USE_MATCAP vec4 matcapColor = texture2D( matcap, uv ); - matcapColor = matcapTexelToLinear( matcapColor ); #else - vec4 matcapColor = vec4( 1.0 ); + vec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 ); #endif vec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb; - #include + #include #include - #include + #include #include #include #include -}`,V0=`#define NORMAL -#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP ) +}`,jy=`#define NORMAL +#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE ) varying vec3 vViewPosition; #endif #include +#include #include #include #include @@ -2325,7 +3023,9 @@ void main() { #include void main() { #include + #include #include + #include #include #include #include @@ -2338,12 +3038,12 @@ void main() { #include #include #include -#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP ) +#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE ) vViewPosition = - mvPosition.xyz; #endif -}`,W0=`#define NORMAL +}`,qy=`#define NORMAL uniform float opacity; -#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP ) +#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE ) varying vec3 vViewPosition; #endif #include @@ -2354,16 +3054,20 @@ uniform float opacity; #include #include void main() { + vec4 diffuseColor = vec4( 0.0, 0.0, 0.0, opacity ); #include #include #include #include - gl_FragColor = vec4( packNormalToRGB( normal ), opacity ); -}`,Y0=`#define PHONG + gl_FragColor = vec4( packNormalToRGB( normal ), diffuseColor.a ); + #ifdef OPAQUE + gl_FragColor.a = 1.0; + #endif +}`,Zy=`#define PHONG varying vec3 vViewPosition; #include +#include #include -#include #include #include #include @@ -2376,9 +3080,11 @@ varying vec3 vViewPosition; #include void main() { #include - #include #include + #include + #include #include + #include #include #include #include @@ -2396,7 +3102,7 @@ void main() { #include #include #include -}`,j0=`#define PHONG +}`,Qy=`#define PHONG uniform vec3 diffuse; uniform vec3 emissive; uniform vec3 specular; @@ -2407,16 +3113,15 @@ uniform float opacity; #include #include #include -#include #include #include #include +#include #include #include #include #include #include -#include #include #include #include @@ -2429,8 +3134,8 @@ uniform float opacity; #include #include void main() { - #include vec4 diffuseColor = vec4( diffuse, opacity ); + #include ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) ); vec3 totalEmissiveRadiance = emissive; #include @@ -2438,6 +3143,7 @@ void main() { #include #include #include + #include #include #include #include @@ -2449,20 +3155,20 @@ void main() { #include vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance; #include - #include + #include #include - #include + #include #include #include #include -}`,X0=`#define STANDARD +}`,Ky=`#define STANDARD varying vec3 vViewPosition; #ifdef USE_TRANSMISSION varying vec3 vWorldPosition; #endif #include +#include #include -#include #include #include #include @@ -2474,8 +3180,10 @@ varying vec3 vViewPosition; #include void main() { #include - #include #include + #include + #include + #include #include #include #include @@ -2496,10 +3204,10 @@ void main() { #ifdef USE_TRANSMISSION vWorldPosition = worldPosition.xyz; #endif -}`,Q0=`#define STANDARD +}`,Jy=`#define STANDARD #ifdef PHYSICAL #define IOR - #define SPECULAR + #define USE_SPECULAR #endif uniform vec3 diffuse; uniform vec3 emissive; @@ -2509,44 +3217,59 @@ uniform float opacity; #ifdef IOR uniform float ior; #endif -#ifdef SPECULAR +#ifdef USE_SPECULAR uniform float specularIntensity; uniform vec3 specularColor; - #ifdef USE_SPECULARINTENSITYMAP - uniform sampler2D specularIntensityMap; - #endif - #ifdef USE_SPECULARCOLORMAP + #ifdef USE_SPECULAR_COLORMAP uniform sampler2D specularColorMap; #endif + #ifdef USE_SPECULAR_INTENSITYMAP + uniform sampler2D specularIntensityMap; + #endif #endif #ifdef USE_CLEARCOAT uniform float clearcoat; uniform float clearcoatRoughness; #endif +#ifdef USE_DISPERSION + uniform float dispersion; +#endif +#ifdef USE_IRIDESCENCE + uniform float iridescence; + uniform float iridescenceIOR; + uniform float iridescenceThicknessMinimum; + uniform float iridescenceThicknessMaximum; +#endif #ifdef USE_SHEEN uniform vec3 sheenColor; uniform float sheenRoughness; - #ifdef USE_SHEENCOLORMAP + #ifdef USE_SHEEN_COLORMAP uniform sampler2D sheenColorMap; #endif - #ifdef USE_SHEENROUGHNESSMAP + #ifdef USE_SHEEN_ROUGHNESSMAP uniform sampler2D sheenRoughnessMap; #endif #endif +#ifdef USE_ANISOTROPY + uniform vec2 anisotropyVector; + #ifdef USE_ANISOTROPYMAP + uniform sampler2D anisotropyMap; + #endif +#endif varying vec3 vViewPosition; #include #include #include #include #include -#include #include #include #include +#include #include #include #include -#include +#include #include #include #include @@ -2559,13 +3282,14 @@ varying vec3 vViewPosition; #include #include #include +#include #include #include #include #include void main() { - #include vec4 diffuseColor = vec4( diffuse, opacity ); + #include ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) ); vec3 totalEmissiveRadiance = emissive; #include @@ -2573,6 +3297,7 @@ void main() { #include #include #include + #include #include #include #include @@ -2589,22 +3314,26 @@ void main() { vec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular; #include vec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance; + #ifdef USE_SHEEN + float sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor ); + outgoingLight = outgoingLight * sheenEnergyComp + sheenSpecularDirect + sheenSpecularIndirect; + #endif #ifdef USE_CLEARCOAT - float dotNVcc = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) ); + float dotNVcc = saturate( dot( geometryClearcoatNormal, geometryViewDir ) ); vec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc ); - outgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + clearcoatSpecular * material.clearcoat; + outgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + ( clearcoatSpecularDirect + clearcoatSpecularIndirect ) * material.clearcoat; #endif - #include + #include #include - #include + #include #include #include #include -}`,q0=`#define TOON +}`,$y=`#define TOON varying vec3 vViewPosition; #include +#include #include -#include #include #include #include @@ -2616,8 +3345,10 @@ varying vec3 vViewPosition; #include void main() { #include - #include #include + #include + #include + #include #include #include #include @@ -2635,7 +3366,7 @@ void main() { #include #include #include -}`,Z0=`#define TOON +}`,eA=`#define TOON uniform vec3 diffuse; uniform vec3 emissive; uniform float opacity; @@ -2644,10 +3375,10 @@ uniform float opacity; #include #include #include -#include #include #include #include +#include #include #include #include @@ -2663,8 +3394,8 @@ uniform float opacity; #include #include void main() { - #include vec4 diffuseColor = vec4( diffuse, opacity ); + #include ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) ); vec3 totalEmissiveRadiance = emissive; #include @@ -2672,6 +3403,7 @@ void main() { #include #include #include + #include #include #include #include @@ -2681,13 +3413,13 @@ void main() { #include #include vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance; - #include + #include #include - #include + #include #include #include #include -}`,J0=`uniform float size; +}`,tA=`uniform float size; uniform float scale; #include #include @@ -2695,8 +3427,17 @@ uniform float scale; #include #include #include +#ifdef USE_POINTS_UV + varying vec2 vUv; + uniform mat3 uvTransform; +#endif void main() { + #ifdef USE_POINTS_UV + vUv = ( uvTransform * vec3( uv, 1 ) ).xy; + #endif #include + #include + #include #include #include #include @@ -2709,36 +3450,42 @@ void main() { #include #include #include -}`,K0=`uniform vec3 diffuse; +}`,iA=`uniform vec3 diffuse; uniform float opacity; #include #include #include #include +#include #include #include #include void main() { + vec4 diffuseColor = vec4( diffuse, opacity ); #include vec3 outgoingLight = vec3( 0.0 ); - vec4 diffuseColor = vec4( diffuse, opacity ); #include #include #include #include + #include outgoingLight = diffuseColor.rgb; - #include + #include #include - #include + #include #include #include -}`,$0=`#include +}`,nA=`#include +#include #include #include #include +#include #include void main() { + #include #include + #include #include #include #include @@ -2747,24 +3494,27 @@ void main() { #include #include #include + #include #include #include #include -}`,ex=`uniform vec3 color; +}`,rA=`uniform vec3 color; uniform float opacity; #include #include #include #include #include +#include #include #include void main() { + #include gl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) ); #include - #include + #include #include -}`,tx=`uniform float rotation; +}`,sA=`uniform float rotation; uniform vec2 center; #include #include @@ -2773,10 +3523,8 @@ uniform vec2 center; #include void main() { #include - vec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 ); - vec2 scale; - scale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) ); - scale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) ); + vec4 mvPosition = modelViewMatrix[ 3 ]; + vec2 scale = vec2( length( modelMatrix[ 0 ].xyz ), length( modelMatrix[ 1 ].xyz ) ); #ifndef USE_SIZEATTENUATION bool isPerspective = isPerspectiveMatrix( projectionMatrix ); if ( isPerspective ) scale *= - mvPosition.z; @@ -2790,30 +3538,32 @@ void main() { #include #include #include -}`,nx=`uniform vec3 diffuse; +}`,aA=`uniform vec3 diffuse; uniform float opacity; #include #include #include #include #include +#include #include #include #include void main() { + vec4 diffuseColor = vec4( diffuse, opacity ); #include vec3 outgoingLight = vec3( 0.0 ); - vec4 diffuseColor = vec4( diffuse, opacity ); #include #include #include #include + #include outgoingLight = diffuseColor.rgb; - #include + #include #include - #include + #include #include 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Ke({name:"SphericalGaussianBlur",defines:{n:Zr,CUBEUV_TEXEL_WIDTH:1/e,CUBEUV_TEXEL_HEIGHT:1/t,CUBEUV_MAX_MIP:`${r}.0`},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:i},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:n}},vertexShader:df(),fragmentShader:` precision mediump float; precision mediump int; @@ -2828,8 +3578,6 @@ void main() { uniform float mipInt; uniform vec3 poleAxis; - ${fc()} - #define ENVMAP_TYPE_CUBE_UV #include @@ -2874,10 +3622,8 @@ void main() { } - gl_FragColor = linearToOutputTexel( gl_FragColor ); - } - `,blending:xt,depthTest:!1,depthWrite:!1})}function Id(){let r=new O(1,1);return new Vi({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null},texelSize:{value:r},inputEncoding:{value:Wi[ft]},outputEncoding:{value:Wi[ft]}},vertexShader:dc(),fragmentShader:` + `,blending:Dt,depthTest:!1,depthWrite:!1})}function og(){return new Ke({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null}},vertexShader:df(),fragmentShader:` precision mediump float; precision mediump int; @@ -2885,61 +3631,38 @@ void main() { varying vec3 vOutputDirection; uniform sampler2D envMap; - uniform vec2 texelSize; - - ${fc()} #include void main() { - gl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 ); - vec3 outputDirection = normalize( vOutputDirection ); vec2 uv = equirectUv( outputDirection ); - vec2 f = fract( uv / texelSize - 0.5 ); - uv -= f * texelSize; - vec3 tl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb; - uv.x += texelSize.x; - vec3 tr = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb; - uv.y += texelSize.y; - vec3 br = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb; - uv.x -= texelSize.x; - vec3 bl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb; - - vec3 tm = mix( tl, tr, f.x ); - vec3 bm = mix( bl, br, f.x ); - gl_FragColor.rgb = mix( tm, bm, f.y ); - - gl_FragColor = linearToOutputTexel( gl_FragColor ); + gl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 ); } - `,blending:xt,depthTest:!1,depthWrite:!1})}function Bd(){return new Vi({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},inputEncoding:{value:Wi[ft]},outputEncoding:{value:Wi[ft]}},vertexShader:dc(),fragmentShader:` + `,blending:Dt,depthTest:!1,depthWrite:!1})}function lg(){return new Ke({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},flipEnvMap:{value:-1}},vertexShader:df(),fragmentShader:` precision mediump float; precision mediump int; + uniform float flipEnvMap; + varying vec3 vOutputDirection; uniform samplerCube envMap; - ${fc()} - void main() { - gl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 ); - gl_FragColor.rgb = envMapTexelToLinear( textureCube( envMap, vec3( - vOutputDirection.x, vOutputDirection.yz ) ) ).rgb; - gl_FragColor = linearToOutputTexel( gl_FragColor ); + gl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) ); } - 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Use "%s" instead.',e,i);else throw new Error("Can not resolve #include <"+e+">")}return pf(t)}var ES=/#pragma unroll_loop_start\s+for\s*\(\s*int\s+i\s*=\s*(\d+)\s*;\s*i\s*<\s*(\d+)\s*;\s*i\s*\+\+\s*\)\s*{([\s\S]+?)}\s+#pragma unroll_loop_end/g;function Cg(r){return r.replace(ES,MS)}function MS(r,e,t,i){let n="";for(let s=parseInt(e);s0?r.gammaFactor:1,f=t.isWebGL2?"":fy(t),p=py(s),v=i.createProgram(),x,g,m=t.glslVersion?"#version "+t.glslVersion+` -`:"";t.isRawShaderMaterial?(x=[p].filter(ks).join(` -`),x.length>0&&(x+=` -`),g=[f,p].filter(ks).join(` +#define LOW_PRECISION`),e}function bS(r){let e="SHADOWMAP_TYPE_BASIC";return r.shadowMapType===cl?e="SHADOWMAP_TYPE_PCF":r.shadowMapType===Ih?e="SHADOWMAP_TYPE_PCF_SOFT":r.shadowMapType===qi&&(e="SHADOWMAP_TYPE_VSM"),e}function TS(r){let e="ENVMAP_TYPE_CUBE";if(r.envMap)switch(r.envMapMode){case on:case yn:e="ENVMAP_TYPE_CUBE";break;case hr:e="ENVMAP_TYPE_CUBE_UV";break}return e}function wS(r){let e="ENVMAP_MODE_REFLECTION";if(r.envMap)switch(r.envMapMode){case yn:e="ENVMAP_MODE_REFRACTION";break}return e}function CS(r){let e="ENVMAP_BLENDING_NONE";if(r.envMap)switch(r.combine){case rs:e="ENVMAP_BLENDING_MULTIPLY";break;case Kh:e="ENVMAP_BLENDING_MIX";break;case Jh:e="ENVMAP_BLENDING_ADD";break}return e}function RS(r){let e=r.envMapCubeUVHeight;if(e===null)return null;let t=Math.log2(e)-2,i=1/e;return{texelWidth:1/(3*Math.max(Math.pow(2,t),7*16)),texelHeight:i,maxMip:t}}function DS(r,e,t,i){let n=r.getContext(),s=t.defines,a=t.vertexShader,o=t.fragmentShader,l=bS(t),c=TS(t),h=wS(t),u=CS(t),d=RS(t),f=vS(t),m=xS(s),v=n.createProgram(),g,p,y=t.glslVersion?"#version "+t.glslVersion+` +`:"";t.isRawShaderMaterial?(g=["#define SHADER_TYPE "+t.shaderType,"#define SHADER_NAME "+t.shaderName,m].filter(il).join(` `),g.length>0&&(g+=` -`)):(x=[tf(t),"#define SHADER_NAME "+t.shaderName,p,t.instancing?"#define USE_INSTANCING":"",t.instancingColor?"#define USE_INSTANCING_COLOR":"",t.supportsVertexTextures?"#define VERTEX_TEXTURES":"","#define GAMMA_FACTOR "+d,"#define MAX_BONES "+t.maxBones,t.useFog&&t.fog?"#define USE_FOG":"",t.useFog&&t.fogExp2?"#define FOG_EXP2":"",t.map?"#define USE_MAP":"",t.envMap?"#define USE_ENVMAP":"",t.envMap?"#define "+u:"",t.lightMap?"#define USE_LIGHTMAP":"",t.aoMap?"#define USE_AOMAP":"",t.emissiveMap?"#define USE_EMISSIVEMAP":"",t.bumpMap?"#define USE_BUMPMAP":"",t.normalMap?"#define USE_NORMALMAP":"",t.normalMap&&t.objectSpaceNormalMap?"#define OBJECTSPACE_NORMALMAP":"",t.normalMap&&t.tangentSpaceNormalMap?"#define TANGENTSPACE_NORMALMAP":"",t.clearcoatMap?"#define USE_CLEARCOATMAP":"",t.clearcoatRoughnessMap?"#define USE_CLEARCOAT_ROUGHNESSMAP":"",t.clearcoatNormalMap?"#define USE_CLEARCOAT_NORMALMAP":"",t.displacementMap&&t.supportsVertexTextures?"#define USE_DISPLACEMENTMAP":"",t.specularMap?"#define USE_SPECULARMAP":"",t.specularIntensityMap?"#define USE_SPECULARINTENSITYMAP":"",t.specularColorMap?"#define USE_SPECULARCOLORMAP":"",t.roughnessMap?"#define USE_ROUGHNESSMAP":"",t.metalnessMap?"#define USE_METALNESSMAP":"",t.alphaMap?"#define USE_ALPHAMAP":"",t.transmission?"#define USE_TRANSMISSION":"",t.transmissionMap?"#define USE_TRANSMISSIONMAP":"",t.thicknessMap?"#define USE_THICKNESSMAP":"",t.sheenColorMap?"#define USE_SHEENCOLORMAP":"",t.sheenRoughnessMap?"#define USE_SHEENROUGHNESSMAP":"",t.vertexTangents?"#define USE_TANGENT":"",t.vertexColors?"#define USE_COLOR":"",t.vertexAlphas?"#define USE_COLOR_ALPHA":"",t.vertexUvs?"#define USE_UV":"",t.uvsVertexOnly?"#define UVS_VERTEX_ONLY":"",t.flatShading?"#define FLAT_SHADED":"",t.skinning?"#define USE_SKINNING":"",t.useVertexTexture?"#define BONE_TEXTURE":"",t.morphTargets?"#define USE_MORPHTARGETS":"",t.morphNormals&&t.flatShading===!1?"#define USE_MORPHNORMALS":"",t.morphTargets&&t.isWebGL2?"#define MORPHTARGETS_TEXTURE":"",t.morphTargets&&t.isWebGL2?"#define MORPHTARGETS_COUNT 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USE_AOMAP":"",t.emissiveMap?"#define USE_EMISSIVEMAP":"",t.bumpMap?"#define USE_BUMPMAP":"",t.normalMap?"#define USE_NORMALMAP":"",t.normalMap&&t.objectSpaceNormalMap?"#define OBJECTSPACE_NORMALMAP":"",t.normalMap&&t.tangentSpaceNormalMap?"#define TANGENTSPACE_NORMALMAP":"",t.clearcoat?"#define USE_CLEARCOAT":"",t.clearcoatMap?"#define USE_CLEARCOATMAP":"",t.clearcoatRoughnessMap?"#define USE_CLEARCOAT_ROUGHNESSMAP":"",t.clearcoatNormalMap?"#define USE_CLEARCOAT_NORMALMAP":"",t.specularMap?"#define USE_SPECULARMAP":"",t.specularIntensityMap?"#define USE_SPECULARINTENSITYMAP":"",t.specularColorMap?"#define USE_SPECULARCOLORMAP":"",t.roughnessMap?"#define USE_ROUGHNESSMAP":"",t.metalnessMap?"#define USE_METALNESSMAP":"",t.alphaMap?"#define USE_ALPHAMAP":"",t.alphaTest?"#define USE_ALPHATEST":"",t.sheen?"#define USE_SHEEN":"",t.sheenColorMap?"#define USE_SHEENCOLORMAP":"",t.sheenRoughnessMap?"#define USE_SHEENROUGHNESSMAP":"",t.transmission?"#define USE_TRANSMISSION":"",t.transmissionMap?"#define USE_TRANSMISSIONMAP":"",t.thicknessMap?"#define USE_THICKNESSMAP":"",t.vertexTangents?"#define USE_TANGENT":"",t.vertexColors||t.instancingColor?"#define USE_COLOR":"",t.vertexAlphas?"#define USE_COLOR_ALPHA":"",t.vertexUvs?"#define USE_UV":"",t.uvsVertexOnly?"#define UVS_VERTEX_ONLY":"",t.gradientMap?"#define USE_GRADIENTMAP":"",t.flatShading?"#define FLAT_SHADED":"",t.doubleSided?"#define DOUBLE_SIDED":"",t.flipSided?"#define FLIP_SIDED":"",t.shadowMapEnabled?"#define USE_SHADOWMAP":"",t.shadowMapEnabled?"#define "+l:"",t.premultipliedAlpha?"#define PREMULTIPLIED_ALPHA":"",t.physicallyCorrectLights?"#define PHYSICALLY_CORRECT_LIGHTS":"",t.logarithmicDepthBuffer?"#define USE_LOGDEPTHBUF":"",t.logarithmicDepthBuffer&&t.rendererExtensionFragDepth?"#define USE_LOGDEPTHBUF_EXT":"",(t.extensionShaderTextureLOD||t.envMap)&&t.rendererExtensionShaderTextureLod?"#define TEXTURE_LOD_EXT":"","uniform mat4 viewMatrix;","uniform vec3 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es -`,x=["precision mediump sampler2DArray;","#define attribute in","#define varying out","#define texture2D texture"].join(` +`),p=["#define SHADER_TYPE "+t.shaderType,"#define SHADER_NAME "+t.shaderName,m].filter(il).join(` +`),p.length>0&&(p+=` +`)):(g=[Rg(t),"#define SHADER_TYPE "+t.shaderType,"#define SHADER_NAME "+t.shaderName,m,t.extensionClipCullDistance?"#define USE_CLIP_DISTANCE":"",t.batching?"#define USE_BATCHING":"",t.batchingColor?"#define USE_BATCHING_COLOR":"",t.instancing?"#define USE_INSTANCING":"",t.instancingColor?"#define USE_INSTANCING_COLOR":"",t.instancingMorph?"#define USE_INSTANCING_MORPH":"",t.useFog&&t.fog?"#define USE_FOG":"",t.useFog&&t.fogExp2?"#define FOG_EXP2":"",t.map?"#define USE_MAP":"",t.envMap?"#define USE_ENVMAP":"",t.envMap?"#define "+h:"",t.lightMap?"#define USE_LIGHTMAP":"",t.aoMap?"#define USE_AOMAP":"",t.bumpMap?"#define USE_BUMPMAP":"",t.normalMap?"#define USE_NORMALMAP":"",t.normalMapObjectSpace?"#define USE_NORMALMAP_OBJECTSPACE":"",t.normalMapTangentSpace?"#define USE_NORMALMAP_TANGENTSPACE":"",t.displacementMap?"#define USE_DISPLACEMENTMAP":"",t.emissiveMap?"#define USE_EMISSIVEMAP":"",t.anisotropy?"#define USE_ANISOTROPY":"",t.anisotropyMap?"#define USE_ANISOTROPYMAP":"",t.clearcoatMap?"#define USE_CLEARCOATMAP":"",t.clearcoatRoughnessMap?"#define USE_CLEARCOAT_ROUGHNESSMAP":"",t.clearcoatNormalMap?"#define USE_CLEARCOAT_NORMALMAP":"",t.iridescenceMap?"#define USE_IRIDESCENCEMAP":"",t.iridescenceThicknessMap?"#define USE_IRIDESCENCE_THICKNESSMAP":"",t.specularMap?"#define USE_SPECULARMAP":"",t.specularColorMap?"#define USE_SPECULAR_COLORMAP":"",t.specularIntensityMap?"#define USE_SPECULAR_INTENSITYMAP":"",t.roughnessMap?"#define USE_ROUGHNESSMAP":"",t.metalnessMap?"#define USE_METALNESSMAP":"",t.alphaMap?"#define USE_ALPHAMAP":"",t.alphaHash?"#define USE_ALPHAHASH":"",t.transmission?"#define USE_TRANSMISSION":"",t.transmissionMap?"#define USE_TRANSMISSIONMAP":"",t.thicknessMap?"#define USE_THICKNESSMAP":"",t.sheenColorMap?"#define USE_SHEEN_COLORMAP":"",t.sheenRoughnessMap?"#define USE_SHEEN_ROUGHNESSMAP":"",t.mapUv?"#define MAP_UV "+t.mapUv:"",t.alphaMapUv?"#define ALPHAMAP_UV "+t.alphaMapUv:"",t.lightMapUv?"#define LIGHTMAP_UV "+t.lightMapUv:"",t.aoMapUv?"#define AOMAP_UV "+t.aoMapUv:"",t.emissiveMapUv?"#define EMISSIVEMAP_UV "+t.emissiveMapUv:"",t.bumpMapUv?"#define BUMPMAP_UV "+t.bumpMapUv:"",t.normalMapUv?"#define NORMALMAP_UV "+t.normalMapUv:"",t.displacementMapUv?"#define DISPLACEMENTMAP_UV "+t.displacementMapUv:"",t.metalnessMapUv?"#define METALNESSMAP_UV "+t.metalnessMapUv:"",t.roughnessMapUv?"#define ROUGHNESSMAP_UV "+t.roughnessMapUv:"",t.anisotropyMapUv?"#define ANISOTROPYMAP_UV "+t.anisotropyMapUv:"",t.clearcoatMapUv?"#define CLEARCOATMAP_UV "+t.clearcoatMapUv:"",t.clearcoatNormalMapUv?"#define CLEARCOAT_NORMALMAP_UV "+t.clearcoatNormalMapUv:"",t.clearcoatRoughnessMapUv?"#define CLEARCOAT_ROUGHNESSMAP_UV 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USE_POINTS_UV":"",t.flatShading?"#define FLAT_SHADED":"",t.skinning?"#define USE_SKINNING":"",t.morphTargets?"#define USE_MORPHTARGETS":"",t.morphNormals&&t.flatShading===!1?"#define USE_MORPHNORMALS":"",t.morphColors?"#define USE_MORPHCOLORS":"",t.morphTargetsCount>0?"#define MORPHTARGETS_TEXTURE_STRIDE "+t.morphTextureStride:"",t.morphTargetsCount>0?"#define MORPHTARGETS_COUNT "+t.morphTargetsCount:"",t.doubleSided?"#define DOUBLE_SIDED":"",t.flipSided?"#define FLIP_SIDED":"",t.shadowMapEnabled?"#define USE_SHADOWMAP":"",t.shadowMapEnabled?"#define "+l:"",t.sizeAttenuation?"#define USE_SIZEATTENUATION":"",t.numLightProbes>0?"#define USE_LIGHT_PROBES":"",t.logarithmicDepthBuffer?"#define USE_LOGDEPTHBUF":"",t.reverseDepthBuffer?"#define USE_REVERSEDEPTHBUF":"","uniform mat4 modelMatrix;","uniform mat4 modelViewMatrix;","uniform mat4 projectionMatrix;","uniform mat4 viewMatrix;","uniform mat3 normalMatrix;","uniform vec3 cameraPosition;","uniform bool isOrthographic;","#ifdef 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USE_MATCAP":"",t.envMap?"#define USE_ENVMAP":"",t.envMap?"#define "+c:"",t.envMap?"#define "+h:"",t.envMap?"#define "+u:"",d?"#define CUBEUV_TEXEL_WIDTH "+d.texelWidth:"",d?"#define CUBEUV_TEXEL_HEIGHT "+d.texelHeight:"",d?"#define CUBEUV_MAX_MIP "+d.maxMip+".0":"",t.lightMap?"#define USE_LIGHTMAP":"",t.aoMap?"#define USE_AOMAP":"",t.bumpMap?"#define USE_BUMPMAP":"",t.normalMap?"#define USE_NORMALMAP":"",t.normalMapObjectSpace?"#define USE_NORMALMAP_OBJECTSPACE":"",t.normalMapTangentSpace?"#define USE_NORMALMAP_TANGENTSPACE":"",t.emissiveMap?"#define USE_EMISSIVEMAP":"",t.anisotropy?"#define USE_ANISOTROPY":"",t.anisotropyMap?"#define USE_ANISOTROPYMAP":"",t.clearcoat?"#define USE_CLEARCOAT":"",t.clearcoatMap?"#define USE_CLEARCOATMAP":"",t.clearcoatRoughnessMap?"#define USE_CLEARCOAT_ROUGHNESSMAP":"",t.clearcoatNormalMap?"#define USE_CLEARCOAT_NORMALMAP":"",t.dispersion?"#define USE_DISPERSION":"",t.iridescence?"#define USE_IRIDESCENCE":"",t.iridescenceMap?"#define 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d(g,m,b){h(g,m),g.ior.value=m.ior,m.sheen>0&&(g.sheenColor.value.copy(m.sheenColor).multiplyScalar(m.sheen),g.sheenRoughness.value=m.sheenRoughness,m.sheenColorMap&&(g.sheenColorMap.value=m.sheenColorMap),m.sheenRoughnessMap&&(g.sheenRoughnessMap.value=m.sheenRoughnessMap)),m.clearcoat>0&&(g.clearcoat.value=m.clearcoat,g.clearcoatRoughness.value=m.clearcoatRoughness,m.clearcoatMap&&(g.clearcoatMap.value=m.clearcoatMap),m.clearcoatRoughnessMap&&(g.clearcoatRoughnessMap.value=m.clearcoatRoughnessMap),m.clearcoatNormalMap&&(g.clearcoatNormalScale.value.copy(m.clearcoatNormalScale),g.clearcoatNormalMap.value=m.clearcoatNormalMap,m.side===Qe&&g.clearcoatNormalScale.value.negate())),m.transmission>0&&(g.transmission.value=m.transmission,g.transmissionSamplerMap.value=b.texture,g.transmissionSamplerSize.value.set(b.width,b.height),m.transmissionMap&&(g.transmissionMap.value=m.transmissionMap),g.thickness.value=m.thickness,m.thicknessMap&&(g.thicknessMap.value=m.thicknessMap),g.attenuationDistance.value=m.attenuationDistance,g.attenuationColor.value.copy(m.attenuationColor)),g.specularIntensity.value=m.specularIntensity,g.specularColor.value.copy(m.specularColor),m.specularIntensityMap&&(g.specularIntensityMap.value=m.specularIntensityMap),m.specularColorMap&&(g.specularColorMap.value=m.specularColorMap)}function f(g,m){m.matcap&&(g.matcap.value=m.matcap),m.bumpMap&&(g.bumpMap.value=m.bumpMap,g.bumpScale.value=m.bumpScale,m.side===Qe&&(g.bumpScale.value*=-1)),m.normalMap&&(g.normalMap.value=m.normalMap,g.normalScale.value.copy(m.normalScale),m.side===Qe&&g.normalScale.value.negate()),m.displacementMap&&(g.displacementMap.value=m.displacementMap,g.displacementScale.value=m.displacementScale,g.displacementBias.value=m.displacementBias)}function p(g,m){m.displacementMap&&(g.displacementMap.value=m.displacementMap,g.displacementScale.value=m.displacementScale,g.displacementBias.value=m.displacementBias)}function v(g,m){m.displacementMap&&(g.displacementMap.value=m.displacementMap,g.displacementScale.value=m.displacementScale,g.displacementBias.value=m.displacementBias),g.referencePosition.value.copy(m.referencePosition),g.nearDistance.value=m.nearDistance,g.farDistance.value=m.farDistance}function x(g,m){m.bumpMap&&(g.bumpMap.value=m.bumpMap,g.bumpScale.value=m.bumpScale,m.side===Qe&&(g.bumpScale.value*=-1)),m.normalMap&&(g.normalMap.value=m.normalMap,g.normalScale.value.copy(m.normalScale),m.side===Qe&&g.normalScale.value.negate()),m.displacementMap&&(g.displacementMap.value=m.displacementMap,g.displacementScale.value=m.displacementScale,g.displacementBias.value=m.displacementBias)}return{refreshFogUniforms:e,refreshMaterialUniforms:t}}function ky(){let r=Ta("canvas");return r.style.display="block",r}function Ze(r={}){let e=r.canvas!==void 0?r.canvas:ky(),t=r.context!==void 0?r.context:null,n=r.alpha!==void 0?r.alpha:!1,i=r.depth!==void 0?r.depth:!0,s=r.stencil!==void 0?r.stencil:!0,a=r.antialias!==void 0?r.antialias:!1,o=r.premultipliedAlpha!==void 0?r.premultipliedAlpha:!0,l=r.preserveDrawingBuffer!==void 0?r.preserveDrawingBuffer:!1,c=r.powerPreference!==void 0?r.powerPreference:"default",u=r.failIfMajorPerformanceCaveat!==void 0?r.failIfMajorPerformanceCaveat:!1,h=null,d=null,f=[],p=[];this.domElement=e,this.debug={checkShaderErrors:!0},this.autoClear=!0,this.autoClearColor=!0,this.autoClearDepth=!0,this.autoClearStencil=!0,this.sortObjects=!0,this.clippingPlanes=[],this.localClippingEnabled=!1,this.gammaFactor=2,this.outputEncoding=ft,this.physicallyCorrectLights=!1,this.toneMapping=qn,this.toneMappingExposure=1;let v=this,x=!1,g=0,m=0,b=null,y=-1,E=null,_=new Ve,w=new Ve,D=null,I=e.width,L=e.height,R=1,Z=null,F=null,U=new Ve(0,0,I,L),z=new Ve(0,0,I,L),N=!1,G=[],ne=new Rr,fe=!1,Y=!1,j=null,ue=new ge,oe=new A,ve={background:null,fog:null,environment:null,overrideMaterial:null,isScene:!0};function Oe(){return b===null?R:1}let J=t;function Re(M,B){for(let k=0;k0?d=p[p.length-1]:d=null,f.pop(),f.length>0?h=f[f.length-1]:h=null};function _u(M,B,k,H){if(M.visible===!1)return;if(M.layers.test(B.layers)){if(M.isGroup)k=M.renderOrder;else if(M.isLOD)M.autoUpdate===!0&&M.update(B);else if(M.isLight)d.pushLight(M),M.castShadow&&d.pushShadow(M);else if(M.isSprite){if(!M.frustumCulled||ne.intersectsSprite(M)){H&&oe.setFromMatrixPosition(M.matrixWorld).applyMatrix4(ue);let Ae=Se.update(M),Le=M.material;Le.visible&&h.push(M,Ae,Le,k,oe.z,null)}}else if((M.isMesh||M.isLine||M.isPoints)&&(M.isSkinnedMesh&&M.skeleton.frame!==Ue.render.frame&&(M.skeleton.update(),M.skeleton.frame=Ue.render.frame),!M.frustumCulled||ne.intersectsObject(M))){H&&oe.setFromMatrixPosition(M.matrixWorld).applyMatrix4(ue);let Ae=Se.update(M),Le=M.material;if(Array.isArray(Le)){let Ce=Ae.groups;for(let ke=0,Ie=Ce.length;ke0&&hm(X,B,k),H&&we.viewport(_.copy(H)),X.length>0&&ga(X,B,k),Te.length>0&&ga(Te,B,k),Ae.length>0&&ga(Ae,B,k)}function hm(M,B,k){if(j===null){let Ae=a===!0&&xe.isWebGL2===!0?Ni:We;j=new Ae(1024,1024,{generateMipmaps:!0,type:T.convert(Ii)!==null?Ii:lt,minFilter:Pi,magFilter:At,wrapS:_t,wrapT:_t,useRenderToTexture:be.has("WEBGL_multisampled_render_to_texture")})}let H=v.getRenderTarget();v.setRenderTarget(j),v.clear();let X=v.toneMapping;v.toneMapping=qn,ga(M,B,k),v.toneMapping=X,ee.updateMultisampleRenderTarget(j),ee.updateRenderTargetMipmap(j),v.setRenderTarget(H)}function ga(M,B,k){let H=B.isScene===!0?B.overrideMaterial:null;for(let X=0,Te=M.length;X=0&&B<=M.width-H&&k>=0&&k<=M.height-X&&J.readPixels(B,k,H,X,T.convert(ke),T.convert(Ie),Te):console.error("THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.")}finally{let Ce=b!==null?W.get(b).__webglFramebuffer:null;we.bindFramebuffer(36160,Ce)}}},this.copyFramebufferToTexture=function(M,B,k=0){let H=Math.pow(2,-k),X=Math.floor(B.image.width*H),Te=Math.floor(B.image.height*H),Ae=T.convert(B.format);xe.isWebGL2&&(Ae===6407&&(Ae=32849),Ae===6408&&(Ae=32856)),ee.setTexture2D(B,0),J.copyTexImage2D(3553,k,Ae,M.x,M.y,X,Te,0),we.unbindTexture()},this.copyTextureToTexture=function(M,B,k,H=0){let X=B.image.width,Te=B.image.height,Ae=T.convert(k.format),Le=T.convert(k.type);ee.setTexture2D(k,0),J.pixelStorei(37440,k.flipY),J.pixelStorei(37441,k.premultiplyAlpha),J.pixelStorei(3317,k.unpackAlignment),B.isDataTexture?J.texSubImage2D(3553,H,M.x,M.y,X,Te,Ae,Le,B.image.data):B.isCompressedTexture?J.compressedTexSubImage2D(3553,H,M.x,M.y,B.mipmaps[0].width,B.mipmaps[0].height,Ae,B.mipmaps[0].data):J.texSubImage2D(3553,H,M.x,M.y,Ae,Le,B.image),H===0&&k.generateMipmaps&&J.generateMipmap(3553),we.unbindTexture()},this.copyTextureToTexture3D=function(M,B,k,H,X=0){if(v.isWebGL1Renderer){console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.");return}let Te=M.max.x-M.min.x+1,Ae=M.max.y-M.min.y+1,Le=M.max.z-M.min.z+1,Ce=T.convert(H.format),ke=T.convert(H.type),Ie;if(H.isDataTexture3D)ee.setTexture3D(H,0),Ie=32879;else if(H.isDataTexture2DArray)ee.setTexture2DArray(H,0),Ie=35866;else{console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.");return}J.pixelStorei(37440,H.flipY),J.pixelStorei(37441,H.premultiplyAlpha),J.pixelStorei(3317,H.unpackAlignment);let He=J.getParameter(3314),ht=J.getParameter(32878),Ei=J.getParameter(3316),Xe=J.getParameter(3315),vs=J.getParameter(32877),it=k.isCompressedTexture?k.mipmaps[0]:k.image;J.pixelStorei(3314,it.width),J.pixelStorei(32878,it.height),J.pixelStorei(3316,M.min.x),J.pixelStorei(3315,M.min.y),J.pixelStorei(32877,M.min.z),k.isDataTexture||k.isDataTexture3D?J.texSubImage3D(Ie,X,B.x,B.y,B.z,Te,Ae,Le,Ce,ke,it.data):k.isCompressedTexture?(console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: untested support for compressed srcTexture."),J.compressedTexSubImage3D(Ie,X,B.x,B.y,B.z,Te,Ae,Le,Ce,it.data)):J.texSubImage3D(Ie,X,B.x,B.y,B.z,Te,Ae,Le,Ce,ke,it),J.pixelStorei(3314,He),J.pixelStorei(32878,ht),J.pixelStorei(3316,Ei),J.pixelStorei(3315,Xe),J.pixelStorei(32877,vs),X===0&&H.generateMipmaps&&J.generateMipmap(Ie),we.unbindTexture()},this.initTexture=function(M){ee.setTexture2D(M,0),we.unbindTexture()},this.resetState=function(){g=0,m=0,b=null,we.reset(),V.reset()},typeof __THREE_DEVTOOLS__!="undefined"&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}Ze.prototype.isWebGLRenderer=!0;var Ys=class extends Ze{};Ys.prototype.isWebGL1Renderer=!0;var Fr=class{constructor(e,t=25e-5){this.name="",this.color=new $(e),this.density=t}clone(){return new Fr(this.color,this.density)}toJSON(){return{type:"FogExp2",color:this.color.getHex(),density:this.density}}};Fr.prototype.isFogExp2=!0;var Or=class{constructor(e,t=1,n=1e3){this.name="",this.color=new $(e),this.near=t,this.far=n}clone(){return new Or(this.color,this.near,this.far)}toJSON(){return{type:"Fog",color:this.color.getHex(),near:this.near,far:this.far}}};Or.prototype.isFog=!0;var mn=class extends _e{constructor(){super();this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.overrideMaterial=null,this.autoUpdate=!0,typeof __THREE_DEVTOOLS__!="undefined"&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(e,t){return super.copy(e,t),e.background!==null&&(this.background=e.background.clone()),e.environment!==null&&(this.environment=e.environment.clone()),e.fog!==null&&(this.fog=e.fog.clone()),e.overrideMaterial!==null&&(this.overrideMaterial=e.overrideMaterial.clone()),this.autoUpdate=e.autoUpdate,this.matrixAutoUpdate=e.matrixAutoUpdate,this}toJSON(e){let t=super.toJSON(e);return this.fog!==null&&(t.object.fog=this.fog.toJSON()),t}};mn.prototype.isScene=!0;var hi=class{constructor(e,t){this.array=e,this.stride=t,this.count=e!==void 0?e.length/t:0,this.usage=pr,this.updateRange={offset:0,count:-1},this.version=0,this.uuid=Wt()}onUploadCallback(){}set needsUpdate(e){e===!0&&this.version++}setUsage(e){return this.usage=e,this}copy(e){return this.array=new e.array.constructor(e.array),this.count=e.count,this.stride=e.stride,this.usage=e.usage,this}copyAt(e,t,n){e*=this.stride,n*=t.stride;for(let i=0,s=this.stride;ie.far||t.push({distance:l,point:js.clone(),uv:pt.getUV(js,Ka,Qs,$a,uf,gc,hf,new O),face:null,object:this})}copy(e){return super.copy(e),e.center!==void 0&&this.center.copy(e.center),this.material=e.material,this}};Qi.prototype.isSprite=!0;function eo(r,e,t,n,i,s){Gr.subVectors(r,t).addScalar(.5).multiply(n),i!==void 0?(Xs.x=s*Gr.x-i*Gr.y,Xs.y=i*Gr.x+s*Gr.y):Xs.copy(Gr),r.copy(e),r.x+=Xs.x,r.y+=Xs.y,r.applyMatrix4(cf)}var to=new A,df=new A,kr=class extends _e{constructor(){super();this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]},isLOD:{value:!0}}),this.autoUpdate=!0}copy(e){super.copy(e,!1);let t=e.levels;for(let n=0,i=t.length;n0){let n,i;for(n=1,i=t.length;n0){to.setFromMatrixPosition(this.matrixWorld);let i=e.ray.origin.distanceTo(to);this.getObjectForDistance(i).raycast(e,t)}}update(e){let t=this.levels;if(t.length>1){to.setFromMatrixPosition(e.matrixWorld),df.setFromMatrixPosition(this.matrixWorld);let n=to.distanceTo(df)/e.zoom;t[0].object.visible=!0;let i,s;for(i=1,s=t.length;i=t[i].distance;i++)t[i-1].object.visible=!1,t[i].object.visible=!0;for(this._currentLevel=i-1;il)continue;d.applyMatrix4(this.matrixWorld);let D=e.ray.origin.distanceTo(d);De.far||t.push({distance:D,point:h.clone().applyMatrix4(this.matrixWorld),index:b,face:null,faceIndex:null,object:this})}}else{let g=Math.max(0,a.start),m=Math.min(x.count,a.start+a.count);for(let b=g,y=m-1;bl)continue;d.applyMatrix4(this.matrixWorld);let _=e.ray.origin.distanceTo(d);_e.far||t.push({distance:_,point:h.clone().applyMatrix4(this.matrixWorld),index:b,face:null,faceIndex:null,object:this})}}}else n.isGeometry&&console.error("THREE.Line.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}updateMorphTargets(){let e=this.geometry;if(e.isBufferGeometry){let t=e.morphAttributes,n=Object.keys(t);if(n.length>0){let i=t[n[0]];if(i!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let s=0,a=i.length;s0&&console.error("THREE.Line.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.")}}};kt.prototype.isLine=!0;var Ef=new A,Mf=new A,Mt=class extends kt{constructor(e,t){super(e,t);this.type="LineSegments"}computeLineDistances(){let e=this.geometry;if(e.isBufferGeometry)if(e.index===null){let t=e.attributes.position,n=[];for(let i=0,s=t.count;i0){let i=t[n[0]];if(i!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let s=0,a=i.length;s0&&console.error("THREE.Points.updateMorphTargets() does not support THREE.Geometry. 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ot{constructor(e,t,n,i,s,a,o,l,c){super(e,t,n,i,s,a,o,l,c);this.needsUpdate=!0}};wc.prototype.isCanvasTexture=!0;var Vr=class extends de{constructor(e=1,t=8,n=0,i=Math.PI*2){super();this.type="CircleGeometry",this.parameters={radius:e,segments:t,thetaStart:n,thetaLength:i},t=Math.max(3,t);let s=[],a=[],o=[],l=[],c=new A,u=new O;a.push(0,0,0),o.push(0,0,1),l.push(.5,.5);for(let h=0,d=3;h<=t;h++,d+=3){let f=n+h/t*i;c.x=e*Math.cos(f),c.y=e*Math.sin(f),a.push(c.x,c.y,c.z),o.push(0,0,1),u.x=(a[d]/e+1)/2,u.y=(a[d+1]/e+1)/2,l.push(u.x,u.y)}for(let h=1;h<=t;h++)s.push(h,h+1,0);this.setIndex(s),this.setAttribute("position",new ce(a,3)),this.setAttribute("normal",new ce(o,3)),this.setAttribute("uv",new ce(l,2))}static fromJSON(e){return new Vr(e.radius,e.segments,e.thetaStart,e.thetaLength)}},fi=class extends de{constructor(e=1,t=1,n=1,i=8,s=1,a=!1,o=0,l=Math.PI*2){super();this.type="CylinderGeometry",this.parameters={radiusTop:e,radiusBottom:t,height:n,radialSegments:i,heightSegments:s,openEnded:a,thetaStart:o,thetaLength:l};let c=this;i=Math.floor(i),s=Math.floor(s);let u=[],h=[],d=[],f=[],p=0,v=[],x=n/2,g=0;m(),a===!1&&(e>0&&b(!0),t>0&&b(!1)),this.setIndex(u),this.setAttribute("position",new ce(h,3)),this.setAttribute("normal",new ce(d,3)),this.setAttribute("uv",new ce(f,2));function m(){let y=new A,E=new A,_=0,w=(t-e)/n;for(let D=0;D<=s;D++){let I=[],L=D/s,R=L*(t-e)+e;for(let Z=0;Z<=i;Z++){let F=Z/i,U=F*l+o,z=Math.sin(U),N=Math.cos(U);E.x=R*z,E.y=-L*n+x,E.z=R*N,h.push(E.x,E.y,E.z),y.set(z,w,N).normalize(),d.push(y.x,y.y,y.z),f.push(F,1-L),I.push(p++)}v.push(I)}for(let D=0;D.9&&w<.1&&(b<.2&&(a[m+0]+=1),y<.2&&(a[m+2]+=1),E<.2&&(a[m+4]+=1))}}function d(m){s.push(m.x,m.y,m.z)}function f(m,b){let y=m*3;b.x=e[y+0],b.y=e[y+1],b.z=e[y+2]}function p(){let m=new A,b=new A,y=new A,E=new A,_=new 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s=e,a=t-n;s2&&r[e-1].equals(r[0])&&r.pop()}function If(r,e){for(let t=0;tNumber.EPSILON){let Q=Math.sqrt(S),ye=Math.sqrt(Je*Je+C*C),me=ee.x-Pe/Q,P=ee.y+Se/Q,ie=te.x-C/ye,T=te.y+Je/ye,V=((ie-me)*C-(T-P)*Je)/(Se*C-Pe*Je);he=me+Se*V-W.x,ae=P+Pe*V-W.y;let K=he*he+ae*ae;if(K<=2)return new O(he,ae);Me=Math.sqrt(K/2)}else{let Q=!1;Se>Number.EPSILON?Je>Number.EPSILON&&(Q=!0):Se<-Number.EPSILON?Je<-Number.EPSILON&&(Q=!0):Math.sign(Pe)===Math.sign(C)&&(Q=!0),Q?(he=-Pe,ae=Se,Me=Math.sqrt(S)):(he=Se,ae=Pe,Me=Math.sqrt(S/2))}return new O(he/Me,ae/Me)}let fe=[];for(let W=0,ee=U.length,te=ee-1,he=W+1;W=0;W--){let ee=W/x,te=f*Math.cos(ee*Math.PI/2),he=p*Math.sin(ee*Math.PI/2)+v;for(let ae=0,Me=U.length;ae=0;){let he=te,ae=te-1;ae<0&&(ae=W.length-1);for(let Me=0,Se=u+x*2;Me0)&&f.push(b,y,_),(g!==n-1||l0!=e>0&&this.version++,this._sheen=e}get clearcoat(){return this._clearcoat}set clearcoat(e){this._clearcoat>0!=e>0&&this.version++,this._clearcoat=e}get transmission(){return this._transmission}set transmission(e){this._transmission>0!=e>0&&this.version++,this._transmission=e}copy(e){return super.copy(e),this.defines={STANDARD:"",PHYSICAL:""},this.clearcoat=e.clearcoat,this.clearcoatMap=e.clearcoatMap,this.clearcoatRoughness=e.clearcoatRoughness,this.clearcoatRoughnessMap=e.clearcoatRoughnessMap,this.clearcoatNormalMap=e.clearcoatNormalMap,this.clearcoatNormalScale.copy(e.clearcoatNormalScale),this.ior=e.ior,this.sheen=e.sheen,this.sheenColor.copy(e.sheenColor),this.sheenColorMap=e.sheenColorMap,this.sheenRoughness=e.sheenRoughness,this.sheenRoughnessMap=e.sheenRoughnessMap,this.transmission=e.transmission,this.transmissionMap=e.transmissionMap,this.thickness=e.thickness,this.thicknessMap=e.thicknessMap,this.attenuationDistance=e.attenuationDistance,this.attenuationColor.copy(e.attenuationColor),this.specularIntensity=e.specularIntensity,this.specularIntensityMap=e.specularIntensityMap,this.specularColor.copy(e.specularColor),this.specularColorMap=e.specularColorMap,this}};Eo.prototype.isMeshPhysicalMaterial=!0;var ns=class extends tt{constructor(e){super();this.type="MeshPhongMaterial",this.color=new $(16777215),this.specular=new $(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new $(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Fi,this.normalScale=new O(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=ws,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.specular.copy(e.specular),this.shininess=e.shininess,this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.flatShading=e.flatShading,this}};ns.prototype.isMeshPhongMaterial=!0;var Mo=class extends tt{constructor(e){super();this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new $(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new $(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Fi,this.normalScale=new O(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.gradientMap=e.gradientMap,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this}};Mo.prototype.isMeshToonMaterial=!0;var So=class extends tt{constructor(e){super();this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Fi,this.normalScale=new O(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.flatShading=e.flatShading,this}};So.prototype.isMeshNormalMaterial=!0;var _o=class extends tt{constructor(e){super();this.type="MeshLambertMaterial",this.color=new $(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new $(0),this.emissiveIntensity=1,this.emissiveMap=null,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=ws,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this}};_o.prototype.isMeshLambertMaterial=!0;var To=class extends tt{constructor(e){super();this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new $(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Fi,this.normalScale=new O(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.defines={MATCAP:""},this.color.copy(e.color),this.matcap=e.matcap,this.map=e.map,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.flatShading=e.flatShading,this}};To.prototype.isMeshMatcapMaterial=!0;var Co=class extends 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ss=class{constructor(e,t=-1,n,i=Aa){this.name=e,this.tracks=n,this.duration=t,this.blendMode=i,this.uuid=Wt(),this.duration<0&&this.resetDuration()}static parse(e){let t=[],n=e.tracks,i=1/(e.fps||1);for(let a=0,o=n.length;a!==o;++a)t.push(ww(n[a]).scale(i));let s=new this(e.name,e.duration,t,e.blendMode);return s.uuid=e.uuid,s}static toJSON(e){let t=[],n=e.tracks,i={name:e.name,duration:e.duration,tracks:t,uuid:e.uuid,blendMode:e.blendMode};for(let s=0,a=n.length;s!==a;++s)t.push($t.toJSON(n[s]));return i}static CreateFromMorphTargetSequence(e,t,n,i){let s=t.length,a=[];for(let o=0;o1){let h=u[1],d=i[h];d||(i[h]=d=[]),d.push(c)}}let a=[];for(let o in i)a.push(this.CreateFromMorphTargetSequence(o,i[o],t,n));return a}static parseAnimation(e,t){if(!e)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;let n=function(h,d,f,p,v){if(f.length!==0){let x=[],g=[];rt.flattenJSON(f,x,g,p),x.length!==0&&v.push(new 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in e.extensions)i.extensions[s]=e.extensions[s];if(e.shading!==void 0&&(i.flatShading=e.shading===1),e.size!==void 0&&(i.size=e.size),e.sizeAttenuation!==void 0&&(i.sizeAttenuation=e.sizeAttenuation),e.map!==void 0&&(i.map=n(e.map)),e.matcap!==void 0&&(i.matcap=n(e.matcap)),e.alphaMap!==void 0&&(i.alphaMap=n(e.alphaMap)),e.bumpMap!==void 0&&(i.bumpMap=n(e.bumpMap)),e.bumpScale!==void 0&&(i.bumpScale=e.bumpScale),e.normalMap!==void 0&&(i.normalMap=n(e.normalMap)),e.normalMapType!==void 0&&(i.normalMapType=e.normalMapType),e.normalScale!==void 0){let s=e.normalScale;Array.isArray(s)===!1&&(s=[s,s]),i.normalScale=new O().fromArray(s)}return e.displacementMap!==void 0&&(i.displacementMap=n(e.displacementMap)),e.displacementScale!==void 0&&(i.displacementScale=e.displacementScale),e.displacementBias!==void 0&&(i.displacementBias=e.displacementBias),e.roughnessMap!==void 0&&(i.roughnessMap=n(e.roughnessMap)),e.metalnessMap!==void 0&&(i.metalnessMap=n(e.metalnessMap)),e.emissiveMap!==void 0&&(i.emissiveMap=n(e.emissiveMap)),e.emissiveIntensity!==void 0&&(i.emissiveIntensity=e.emissiveIntensity),e.specularMap!==void 0&&(i.specularMap=n(e.specularMap)),e.specularIntensityMap!==void 0&&(i.specularIntensityMap=n(e.specularIntensityMap)),e.specularColorMap!==void 0&&(i.specularColorMap=n(e.specularColorMap)),e.envMap!==void 0&&(i.envMap=n(e.envMap)),e.envMapIntensity!==void 0&&(i.envMapIntensity=e.envMapIntensity),e.reflectivity!==void 0&&(i.reflectivity=e.reflectivity),e.refractionRatio!==void 0&&(i.refractionRatio=e.refractionRatio),e.lightMap!==void 0&&(i.lightMap=n(e.lightMap)),e.lightMapIntensity!==void 0&&(i.lightMapIntensity=e.lightMapIntensity),e.aoMap!==void 0&&(i.aoMap=n(e.aoMap)),e.aoMapIntensity!==void 0&&(i.aoMapIntensity=e.aoMapIntensity),e.gradientMap!==void 0&&(i.gradientMap=n(e.gradientMap)),e.clearcoatMap!==void 0&&(i.clearcoatMap=n(e.clearcoatMap)),e.clearcoatRoughnessMap!==void 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RegExp("["+Zc+"]","g"),Jc="[^"+Zc+"]",Sw="[^"+Zc.replace("\\.","")+"]",_w=/((?:WC+[\/:])*)/.source.replace("WC",Jc),Tw=/(WCOD+)?/.source.replace("WCOD",Sw),Cw=/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",Jc),Dw=/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",Jc),Rw=new RegExp("^"+_w+Tw+Cw+Dw+"$"),Pw=["material","materials","bones"],ep=class{constructor(e,t,n){let i=n||Ge.parseTrackName(t);this._targetGroup=e,this._bindings=e.subscribe_(t,i)}getValue(e,t){this.bind();let n=this._targetGroup.nCachedObjects_,i=this._bindings[n];i!==void 0&&i.getValue(e,t)}setValue(e,t){let n=this._bindings;for(let i=this._targetGroup.nCachedObjects_,s=n.length;i!==s;++i)n[i].setValue(e,t)}bind(){let e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,n=e.length;t!==n;++t)e[t].bind()}unbind(){let e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,n=e.length;t!==n;++t)e[t].unbind()}},Ge=class{constructor(e,t,n){this.path=t,this.parsedPath=n||Ge.parseTrackName(t),this.node=Ge.findNode(e,this.parsedPath.nodeName)||e,this.rootNode=e,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(e,t,n){return e&&e.isAnimationObjectGroup?new Ge.Composite(e,t,n):new Ge(e,t,n)}static sanitizeNodeName(e){return e.replace(/\s/g,"_").replace(Mw,"")}static parseTrackName(e){let t=Rw.exec(e);if(!t)throw new Error("PropertyBinding: Cannot parse trackName: "+e);let n={nodeName:t[2],objectName:t[3],objectIndex:t[4],propertyName:t[5],propertyIndex:t[6]},i=n.nodeName&&n.nodeName.lastIndexOf(".");if(i!==void 0&&i!==-1){let s=n.nodeName.substring(i+1);Pw.indexOf(s)!==-1&&(n.nodeName=n.nodeName.substring(0,i),n.objectName=s)}if(n.propertyName===null||n.propertyName.length===0)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+e);return n}static findNode(e,t){if(!t||t===""||t==="."||t===-1||t===e.name||t===e.uuid)return e;if(e.skeleton){let n=e.skeleton.getBoneByName(t);if(n!==void 0)return n}if(e.children){let n=function(s){for(let a=0;a=s){let h=s++,d=e[h];t[d.uuid]=u,e[u]=d,t[c]=h,e[h]=l;for(let f=0,p=i;f!==p;++f){let v=n[f],x=v[h],g=v[u];v[u]=x,v[h]=g}}}this.nCachedObjects_=s}uncache(){let e=this._objects,t=this._indicesByUUID,n=this._bindings,i=n.length,s=this.nCachedObjects_,a=e.length;for(let o=0,l=arguments.length;o!==l;++o){let c=arguments[o],u=c.uuid,h=t[u];if(h!==void 0)if(delete t[u],h0&&(t[f.uuid]=h),e[h]=f,e.pop();for(let p=0,v=i;p!==v;++p){let x=n[p];x[h]=x[d],x.pop()}}}this.nCachedObjects_=s}subscribe_(e,t){let n=this._bindingsIndicesByPath,i=n[e],s=this._bindings;if(i!==void 0)return s[i];let a=this._paths,o=this._parsedPaths,l=this._objects,c=l.length,u=this.nCachedObjects_,h=new Array(c);i=s.length,n[e]=i,a.push(e),o.push(t),s.push(h);for(let d=u,f=l.length;d!==f;++d){let p=l[d];h[d]=new Ge(p,e,t)}return h}unsubscribe_(e){let t=this._bindingsIndicesByPath,n=t[e];if(n!==void 0){let i=this._paths,s=this._parsedPaths,a=this._bindings,o=a.length-1,l=a[o],c=e[o];t[c]=n,a[n]=l,a.pop(),s[n]=s[o],s.pop(),i[n]=i[o],i.pop()}}};Kc.prototype.isAnimationObjectGroup=!0;var tp=class{constructor(e,t,n=null,i=t.blendMode){this._mixer=e,this._clip=t,this._localRoot=n,this.blendMode=i;let s=t.tracks,a=s.length,o=new Array(a),l={endingStart:Bi,endingEnd:Bi};for(let c=0;c!==a;++c){let u=s[c].createInterpolant(null);o[c]=u,u.settings=l}this._interpolantSettings=l,this._interpolants=o,this._propertyBindings=new Array(a),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=rd,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&this.timeScale!==0&&this._startTime===null&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(e){return this._startTime=e,this}setLoop(e,t){return this.loop=e,this.repetitions=t,this}setEffectiveWeight(e){return this.weight=e,this._effectiveWeight=this.enabled?e:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(e){return this._scheduleFading(e,0,1)}fadeOut(e){return this._scheduleFading(e,1,0)}crossFadeFrom(e,t,n){if(e.fadeOut(t),this.fadeIn(t),n){let i=this._clip.duration,s=e._clip.duration,a=s/i,o=i/s;e.warp(1,a,t),this.warp(o,1,t)}return this}crossFadeTo(e,t,n){return e.crossFadeFrom(this,t,n)}stopFading(){let e=this._weightInterpolant;return e!==null&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}setEffectiveTimeScale(e){return this.timeScale=e,this._effectiveTimeScale=this.paused?0:e,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(e){return this.timeScale=this._clip.duration/e,this.stopWarping()}syncWith(e){return this.time=e.time,this.timeScale=e.timeScale,this.stopWarping()}halt(e){return this.warp(this._effectiveTimeScale,0,e)}warp(e,t,n){let i=this._mixer,s=i.time,a=this.timeScale,o=this._timeScaleInterpolant;o===null&&(o=i._lendControlInterpolant(),this._timeScaleInterpolant=o);let l=o.parameterPositions,c=o.sampleValues;return l[0]=s,l[1]=s+n,c[0]=e/a,c[1]=t/a,this}stopWarping(){let e=this._timeScaleInterpolant;return e!==null&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(e,t,n,i){if(!this.enabled){this._updateWeight(e);return}let s=this._startTime;if(s!==null){let l=(e-s)*n;if(l<0||n===0)return;this._startTime=null,t=n*l}t*=this._updateTimeScale(e);let a=this._updateTime(t),o=this._updateWeight(e);if(o>0){let l=this._interpolants,c=this._propertyBindings;switch(this.blendMode){case Sl:for(let u=0,h=l.length;u!==h;++u)l[u].evaluate(a),c[u].accumulateAdditive(o);break;case Aa:default:for(let u=0,h=l.length;u!==h;++u)l[u].evaluate(a),c[u].accumulate(i,o)}}}_updateWeight(e){let t=0;if(this.enabled){t=this.weight;let n=this._weightInterpolant;if(n!==null){let i=n.evaluate(e)[0];t*=i,e>n.parameterPositions[1]&&(this.stopFading(),i===0&&(this.enabled=!1))}}return this._effectiveWeight=t,t}_updateTimeScale(e){let t=0;if(!this.paused){t=this.timeScale;let n=this._timeScaleInterpolant;n!==null&&(t*=n.evaluate(e)[0],e>n.parameterPositions[1]&&(this.stopWarping(),t===0?this.paused=!0:this.timeScale=t))}return this._effectiveTimeScale=t,t}_updateTime(e){let t=this._clip.duration,n=this.loop,i=this.time+e,s=this._loopCount,a=n===sd;if(e===0)return s===-1?i:a&&(s&1)==1?t-i:i;if(n===id){s===-1&&(this._loopCount=0,this._setEndings(!0,!0,!1));e:{if(i>=t)i=t;else if(i<0)i=0;else{this.time=i;break e}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:e<0?-1:1})}}else{if(s===-1&&(e>=0?(s=0,this._setEndings(!0,this.repetitions===0,a)):this._setEndings(this.repetitions===0,!0,a)),i>=t||i<0){let o=Math.floor(i/t);i-=t*o,s+=Math.abs(o);let l=this.repetitions-s;if(l<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,i=e>0?t:0,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:e>0?1:-1});else{if(l===1){let c=e<0;this._setEndings(c,!c,a)}else this._setEndings(!1,!1,a);this._loopCount=s,this.time=i,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:o})}}else this.time=i;if(a&&(s&1)==1)return t-i}return i}_setEndings(e,t,n){let i=this._interpolantSettings;n?(i.endingStart=Ui,i.endingEnd=Ui):(e?i.endingStart=this.zeroSlopeAtStart?Ui:Bi:i.endingStart=Cs,t?i.endingEnd=this.zeroSlopeAtEnd?Ui:Bi:i.endingEnd=Cs)}_scheduleFading(e,t,n){let 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n=(e._localRoot||this._root).uuid,i=e._clip.uuid,s=this._actionsByClip[i];this._bindAction(e,s&&s.knownActions[0]),this._addInactiveAction(e,i,n)}let t=e._propertyBindings;for(let n=0,i=t.length;n!==i;++n){let s=t[n];s.useCount++==0&&(this._lendBinding(s),s.saveOriginalState())}this._lendAction(e)}}_deactivateAction(e){if(this._isActiveAction(e)){let t=e._propertyBindings;for(let n=0,i=t.length;n!==i;++n){let s=t[n];--s.useCount==0&&(s.restoreOriginalState(),this._takeBackBinding(s))}this._takeBackAction(e)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;let e=this;this.stats={actions:{get total(){return e._actions.length},get inUse(){return e._nActiveActions}},bindings:{get total(){return e._bindings.length},get inUse(){return e._nActiveBindings}},controlInterpolants:{get total(){return e._controlInterpolants.length},get inUse(){return e._nActiveControlInterpolants}}}}_isActiveAction(e){let t=e._cacheIndex;return t!==null&&t=0;--n)e[n].stop();return this}update(e){e*=this.timeScale;let t=this._actions,n=this._nActiveActions,i=this.time+=e,s=Math.sign(e),a=this._accuIndex^=1;for(let c=0;c!==n;++c)t[c]._update(i,e,s,a);let o=this._bindings,l=this._nActiveBindings;for(let c=0;c!==l;++c)o[c].apply(a);return this}setTime(e){this.time=0;for(let t=0;tthis.max.x||e.ythis.max.y)}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y}getParameter(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(e){return!(e.max.xthis.max.x||e.max.ythis.max.y)}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return sp.copy(e).clamp(this.min,this.max).sub(e).length()}intersect(e){return this.min.max(e.min),this.max.min(e.max),this}union(e){return 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t=[0,0,0,e,0,0,0,0,0,0,e,0,0,0,0,0,0,e],n=[1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],i=new de;i.setAttribute("position",new ce(t,3)),i.setAttribute("color",new ce(n,3));let s=new Ke({vertexColors:!0,toneMapped:!1});super(i,s);this.type="AxesHelper"}setColors(e,t,n){let i=new $,s=this.geometry.attributes.color.array;return i.set(e),i.toArray(s,0),i.toArray(s,3),i.set(t),i.toArray(s,6),i.toArray(s,9),i.set(n),i.toArray(s,12),i.toArray(s,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}},Ep=class{constructor(){this.type="ShapePath",this.color=new $,this.subPaths=[],this.currentPath=null}moveTo(e,t){return this.currentPath=new Qr,this.subPaths.push(this.currentPath),this.currentPath.moveTo(e,t),this}lineTo(e,t){return this.currentPath.lineTo(e,t),this}quadraticCurveTo(e,t,n,i){return this.currentPath.quadraticCurveTo(e,t,n,i),this}bezierCurveTo(e,t,n,i,s,a){return this.currentPath.bezierCurveTo(e,t,n,i,s,a),this}splineThru(e){return this.currentPath.splineThru(e),this}toShapes(e,t){function n(m){let b=[];for(let y=0,E=m.length;yNumber.EPSILON){if(R<0&&(D=b[w],L=-L,I=b[_],R=-R),m.yI.y)continue;if(m.y===D.y){if(m.x===D.x)return!0}else{let Z=R*(m.x-D.x)-L*(m.y-D.y);if(Z===0)return!0;if(Z<0)continue;E=!E}}else{if(m.y!==D.y)continue;if(I.x<=m.x&&m.x<=D.x||D.x<=m.x&&m.x<=I.x)return!0}}return E}let s=vn.isClockWise,a=this.subPaths;if(a.length===0)return[];if(t===!0)return n(a);let o,l,c,u=[];if(a.length===1)return l=a[0],c=new gn,c.curves=l.curves,u.push(c),u;let h=!s(a[0].getPoints());h=e?!h:h;let d=[],f=[],p=[],v=0,x;f[v]=void 0,p[v]=[];for(let m=0,b=a.length;m1){let m=!1,b=[];for(let y=0,E=f.length;y0&&(m||(p=d))}let g;for(let m=0,b=f.length;m65504&&(console.warn("THREE.DataUtils.toHalfFloat(): value exceeds 65504."),e=65504),Mp[0]=e;let t=Iw[0],n=t>>16&32768,i=t>>12&2047,s=t>>23&255;return s<103?n:s>142?(n|=31744,n|=(s==255?0:1)&&t&8388607,n):s<113?(i|=2048,n|=(i>>114-s)+(i>>113-s&1),n):(n|=s-112<<10|i>>1,n+=i&1,n)}},Bw=0,Uw=1,Fw=0,Ow=1,Nw=2;function Hw(r){return console.warn("THREE.MeshFaceMaterial has been removed. Use an Array instead."),r}function zw(r=[]){return console.warn("THREE.MultiMaterial has been removed. Use an Array instead."),r.isMultiMaterial=!0,r.materials=r,r.clone=function(){return r.slice()},r}function Gw(r,e){return console.warn("THREE.PointCloud has been renamed to THREE.Points."),new Ot(r,e)}function kw(r){return console.warn("THREE.Particle has been renamed to THREE.Sprite."),new Qi(r)}function Vw(r,e){return console.warn("THREE.ParticleSystem has been renamed to THREE.Points."),new Ot(r,e)}function Ww(r){return console.warn("THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial."),new Xt(r)}function Yw(r){return console.warn("THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial."),new Xt(r)}function jw(r){return console.warn("THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial."),new Xt(r)}function Xw(r,e,t){return console.warn("THREE.Vertex has been removed. 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Use new THREE.Float64BufferAttribute() instead."),new tc(r,e)}Vt.create=function(r,e){return console.log("THREE.Curve.create() has been deprecated"),r.prototype=Object.create(Vt.prototype),r.prototype.constructor=r,r.prototype.getPoint=e,r};Qr.prototype.fromPoints=function(r){return console.warn("THREE.Path: .fromPoints() has been renamed to .setFromPoints()."),this.setFromPoints(r)};function rb(r){return console.warn("THREE.AxisHelper has been renamed to THREE.AxesHelper."),new ha(r)}function sb(r,e){return console.warn("THREE.BoundingBoxHelper has been deprecated. Creating a THREE.BoxHelper instead."),new au(r,e)}function ab(r,e){return console.warn("THREE.EdgesHelper has been removed. 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Use LoadingManager.getHandler() instead.")}};function lb(r){return console.warn("THREE.XHRLoader has been renamed to THREE.FileLoader."),new Qt(r)}function cb(r){return console.warn("THREE.BinaryTextureLoader has been renamed to THREE.DataTextureLoader."),new Uc(r)}sr.prototype.center=function(r){return console.warn("THREE.Box2: .center() has been renamed to .getCenter()."),this.getCenter(r)};sr.prototype.empty=function(){return console.warn("THREE.Box2: .empty() has been renamed to .isEmpty()."),this.isEmpty()};sr.prototype.isIntersectionBox=function(r){return console.warn("THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(r)};sr.prototype.size=function(r){return console.warn("THREE.Box2: .size() has been renamed to .getSize()."),this.getSize(r)};Bt.prototype.center=function(r){return console.warn("THREE.Box3: .center() has been renamed to .getCenter()."),this.getCenter(r)};Bt.prototype.empty=function(){return console.warn("THREE.Box3: .empty() has been renamed to .isEmpty()."),this.isEmpty()};Bt.prototype.isIntersectionBox=function(r){return console.warn("THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(r)};Bt.prototype.isIntersectionSphere=function(r){return console.warn("THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere()."),this.intersectsSphere(r)};Bt.prototype.size=function(r){return console.warn("THREE.Box3: .size() has been renamed to .getSize()."),this.getSize(r)};Un.prototype.empty=function(){return console.warn("THREE.Sphere: .empty() has been renamed to .isEmpty()."),this.isEmpty()};Rr.prototype.setFromMatrix=function(r){return console.warn("THREE.Frustum: .setFromMatrix() has been renamed to .setFromProjectionMatrix()."),this.setFromProjectionMatrix(r)};iu.prototype.center=function(r){return console.warn("THREE.Line3: .center() has been renamed to .getCenter()."),this.getCenter(r)};Et.prototype.flattenToArrayOffset=function(r,e){return console.warn("THREE.Matrix3: .flattenToArrayOffset() has been deprecated. Use .toArray() instead."),this.toArray(r,e)};Et.prototype.multiplyVector3=function(r){return console.warn("THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead."),r.applyMatrix3(this)};Et.prototype.multiplyVector3Array=function(){console.error("THREE.Matrix3: .multiplyVector3Array() has been removed.")};Et.prototype.applyToBufferAttribute=function(r){return console.warn("THREE.Matrix3: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix3( matrix ) instead."),r.applyMatrix3(this)};Et.prototype.applyToVector3Array=function(){console.error("THREE.Matrix3: .applyToVector3Array() has been removed.")};Et.prototype.getInverse=function(r){return console.warn("THREE.Matrix3: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead."),this.copy(r).invert()};ge.prototype.extractPosition=function(r){return console.warn("THREE.Matrix4: .extractPosition() has been renamed to .copyPosition()."),this.copyPosition(r)};ge.prototype.flattenToArrayOffset=function(r,e){return console.warn("THREE.Matrix4: .flattenToArrayOffset() has been deprecated. Use .toArray() instead."),this.toArray(r,e)};ge.prototype.getPosition=function(){return console.warn("THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead."),new A().setFromMatrixColumn(this,3)};ge.prototype.setRotationFromQuaternion=function(r){return console.warn("THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion()."),this.makeRotationFromQuaternion(r)};ge.prototype.multiplyToArray=function(){console.warn("THREE.Matrix4: .multiplyToArray() has been removed.")};ge.prototype.multiplyVector3=function(r){return console.warn("THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) instead."),r.applyMatrix4(this)};ge.prototype.multiplyVector4=function(r){return console.warn("THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead."),r.applyMatrix4(this)};ge.prototype.multiplyVector3Array=function(){console.error("THREE.Matrix4: .multiplyVector3Array() has been removed.")};ge.prototype.rotateAxis=function(r){console.warn("THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead."),r.transformDirection(this)};ge.prototype.crossVector=function(r){return console.warn("THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead."),r.applyMatrix4(this)};ge.prototype.translate=function(){console.error("THREE.Matrix4: .translate() has been removed.")};ge.prototype.rotateX=function(){console.error("THREE.Matrix4: .rotateX() has been removed.")};ge.prototype.rotateY=function(){console.error("THREE.Matrix4: .rotateY() has been removed.")};ge.prototype.rotateZ=function(){console.error("THREE.Matrix4: .rotateZ() has been removed.")};ge.prototype.rotateByAxis=function(){console.error("THREE.Matrix4: .rotateByAxis() has been removed.")};ge.prototype.applyToBufferAttribute=function(r){return console.warn("THREE.Matrix4: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix4( matrix ) instead."),r.applyMatrix4(this)};ge.prototype.applyToVector3Array=function(){console.error("THREE.Matrix4: .applyToVector3Array() has been removed.")};ge.prototype.makeFrustum=function(r,e,t,n,i,s){return console.warn("THREE.Matrix4: .makeFrustum() has been removed. Use .makePerspective( left, right, top, bottom, near, far ) instead."),this.makePerspective(r,e,n,t,i,s)};ge.prototype.getInverse=function(r){return console.warn("THREE.Matrix4: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead."),this.copy(r).invert()};fn.prototype.isIntersectionLine=function(r){return console.warn("THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine()."),this.intersectsLine(r)};yt.prototype.multiplyVector3=function(r){return console.warn("THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead."),r.applyQuaternion(this)};yt.prototype.inverse=function(){return console.warn("THREE.Quaternion: .inverse() has been renamed to invert()."),this.invert()};On.prototype.isIntersectionBox=function(r){return console.warn("THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(r)};On.prototype.isIntersectionPlane=function(r){return console.warn("THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane()."),this.intersectsPlane(r)};On.prototype.isIntersectionSphere=function(r){return console.warn("THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere()."),this.intersectsSphere(r)};pt.prototype.area=function(){return console.warn("THREE.Triangle: .area() has been renamed to .getArea()."),this.getArea()};pt.prototype.barycoordFromPoint=function(r,e){return console.warn("THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord()."),this.getBarycoord(r,e)};pt.prototype.midpoint=function(r){return console.warn("THREE.Triangle: .midpoint() has been renamed to .getMidpoint()."),this.getMidpoint(r)};pt.prototypenormal=function(r){return console.warn("THREE.Triangle: .normal() has been renamed to .getNormal()."),this.getNormal(r)};pt.prototype.plane=function(r){return console.warn("THREE.Triangle: .plane() has been renamed to .getPlane()."),this.getPlane(r)};pt.barycoordFromPoint=function(r,e,t,n,i){return console.warn("THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord()."),pt.getBarycoord(r,e,t,n,i)};pt.normal=function(r,e,t,n){return console.warn("THREE.Triangle: .normal() has been renamed to .getNormal()."),pt.getNormal(r,e,t,n)};gn.prototype.extractAllPoints=function(r){return console.warn("THREE.Shape: .extractAllPoints() has been removed. Use .extractPoints() instead."),this.extractPoints(r)};gn.prototype.extrude=function(r){return console.warn("THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead."),new Sn(this,r)};gn.prototype.makeGeometry=function(r){return console.warn("THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead."),new Zi(this,r)};O.prototype.fromAttribute=function(r,e,t){return console.warn("THREE.Vector2: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(r,e,t)};O.prototype.distanceToManhattan=function(r){return console.warn("THREE.Vector2: .distanceToManhattan() has been renamed to .manhattanDistanceTo()."),this.manhattanDistanceTo(r)};O.prototype.lengthManhattan=function(){return console.warn("THREE.Vector2: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()};A.prototype.setEulerFromRotationMatrix=function(){console.error("THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.")};A.prototype.setEulerFromQuaternion=function(){console.error("THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.")};A.prototype.getPositionFromMatrix=function(r){return console.warn("THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition()."),this.setFromMatrixPosition(r)};A.prototype.getScaleFromMatrix=function(r){return console.warn("THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale()."),this.setFromMatrixScale(r)};A.prototype.getColumnFromMatrix=function(r,e){return console.warn("THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn()."),this.setFromMatrixColumn(e,r)};A.prototype.applyProjection=function(r){return console.warn("THREE.Vector3: .applyProjection() has been removed. Use .applyMatrix4( m ) instead."),this.applyMatrix4(r)};A.prototype.fromAttribute=function(r,e,t){return console.warn("THREE.Vector3: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(r,e,t)};A.prototype.distanceToManhattan=function(r){return console.warn("THREE.Vector3: .distanceToManhattan() has been renamed to .manhattanDistanceTo()."),this.manhattanDistanceTo(r)};A.prototype.lengthManhattan=function(){return console.warn("THREE.Vector3: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()};Ve.prototype.fromAttribute=function(r,e,t){return console.warn("THREE.Vector4: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(r,e,t)};Ve.prototype.lengthManhattan=function(){return console.warn("THREE.Vector4: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()};_e.prototype.getChildByName=function(r){return console.warn("THREE.Object3D: .getChildByName() has been renamed to .getObjectByName()."),this.getObjectByName(r)};_e.prototype.renderDepth=function(){console.warn("THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.")};_e.prototype.translate=function(r,e){return console.warn("THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead."),this.translateOnAxis(e,r)};_e.prototype.getWorldRotation=function(){console.error("THREE.Object3D: .getWorldRotation() has been removed. Use THREE.Object3D.getWorldQuaternion( target ) instead.")};_e.prototype.applyMatrix=function(r){return console.warn("THREE.Object3D: .applyMatrix() has been renamed to .applyMatrix4()."),this.applyMatrix4(r)};Object.defineProperties(_e.prototype,{eulerOrder:{get:function(){return console.warn("THREE.Object3D: .eulerOrder is now .rotation.order."),this.rotation.order},set:function(r){console.warn("THREE.Object3D: .eulerOrder is now .rotation.order."),this.rotation.order=r}},useQuaternion:{get:function(){console.warn("THREE.Object3D: .useQuaternion has been removed. 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Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.")}}});qs.prototype.initBones=function(){console.error("THREE.SkinnedMesh: initBones() has been removed.")};ct.prototype.setLens=function(r,e){console.warn("THREE.PerspectiveCamera.setLens is deprecated. Use .setFocalLength and .filmGauge for a photographic setup."),e!==void 0&&(this.filmGauge=e),this.setFocalLength(r)};Object.defineProperties(tn.prototype,{onlyShadow:{set:function(){console.warn("THREE.Light: .onlyShadow has been removed.")}},shadowCameraFov:{set:function(r){console.warn("THREE.Light: .shadowCameraFov is now .shadow.camera.fov."),this.shadow.camera.fov=r}},shadowCameraLeft:{set:function(r){console.warn("THREE.Light: .shadowCameraLeft is now .shadow.camera.left."),this.shadow.camera.left=r}},shadowCameraRight:{set:function(r){console.warn("THREE.Light: .shadowCameraRight is now .shadow.camera.right."),this.shadow.camera.right=r}},shadowCameraTop:{set:function(r){console.warn("THREE.Light: .shadowCameraTop is now .shadow.camera.top."),this.shadow.camera.top=r}},shadowCameraBottom:{set:function(r){console.warn("THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom."),this.shadow.camera.bottom=r}},shadowCameraNear:{set:function(r){console.warn("THREE.Light: .shadowCameraNear is now .shadow.camera.near."),this.shadow.camera.near=r}},shadowCameraFar:{set:function(r){console.warn("THREE.Light: .shadowCameraFar is now .shadow.camera.far."),this.shadow.camera.far=r}},shadowCameraVisible:{set:function(){console.warn("THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.")}},shadowBias:{set:function(r){console.warn("THREE.Light: .shadowBias is now .shadow.bias."),this.shadow.bias=r}},shadowDarkness:{set:function(){console.warn("THREE.Light: .shadowDarkness has been removed.")}},shadowMapWidth:{set:function(r){console.warn("THREE.Light: .shadowMapWidth is now .shadow.mapSize.width."),this.shadow.mapSize.width=r}},shadowMapHeight:{set:function(r){console.warn("THREE.Light: .shadowMapHeight is now .shadow.mapSize.height."),this.shadow.mapSize.height=r}}});Object.defineProperties(pe.prototype,{length:{get:function(){return console.warn("THREE.BufferAttribute: .length has been deprecated. Use .count instead."),this.array.length}},dynamic:{get:function(){return console.warn("THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead."),this.usage===In},set:function(){console.warn("THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead."),this.setUsage(In)}}});pe.prototype.setDynamic=function(r){return console.warn("THREE.BufferAttribute: .setDynamic() has been deprecated. Use .setUsage() instead."),this.setUsage(r===!0?In:pr),this};pe.prototype.copyIndicesArray=function(){console.error("THREE.BufferAttribute: .copyIndicesArray() has been removed.")},pe.prototype.setArray=function(){console.error("THREE.BufferAttribute: .setArray has been removed. 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Use .setUsage() instead."),this.setUsage(r===!0?In:pr),this};hi.prototype.setArray=function(){console.error("THREE.InterleavedBuffer: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers")};Sn.prototype.getArrays=function(){console.error("THREE.ExtrudeGeometry: .getArrays() has been removed.")};Sn.prototype.addShapeList=function(){console.error("THREE.ExtrudeGeometry: .addShapeList() has been removed.")};Sn.prototype.addShape=function(){console.error("THREE.ExtrudeGeometry: .addShape() has been removed.")};mn.prototype.dispose=function(){console.error("THREE.Scene: .dispose() has been removed.")};De.prototype.onUpdate=function(){return console.warn("THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead."),this};Object.defineProperties(tt.prototype,{wrapAround:{get:function(){console.warn("THREE.Material: .wrapAround has been removed.")},set:function(){console.warn("THREE.Material: .wrapAround has been removed.")}},overdraw:{get:function(){console.warn("THREE.Material: .overdraw has been removed.")},set:function(){console.warn("THREE.Material: .overdraw has been removed.")}},wrapRGB:{get:function(){return console.warn("THREE.Material: .wrapRGB has been removed."),new $}},shading:{get:function(){console.error("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead.")},set:function(r){console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=r===ol}},stencilMask:{get:function(){return console.warn("THREE."+this.type+": .stencilMask has been removed. Use .stencilFuncMask instead."),this.stencilFuncMask},set:function(r){console.warn("THREE."+this.type+": .stencilMask has been removed. Use .stencilFuncMask instead."),this.stencilFuncMask=r}},vertexTangents:{get:function(){console.warn("THREE."+this.type+": .vertexTangents has been removed.")},set:function(){console.warn("THREE."+this.type+": .vertexTangents has been removed.")}}});Object.defineProperties(Ye.prototype,{derivatives:{get:function(){return console.warn("THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives."),this.extensions.derivatives},set:function(r){console.warn("THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives."),this.extensions.derivatives=r}}});Ze.prototype.clearTarget=function(r,e,t,n){console.warn("THREE.WebGLRenderer: .clearTarget() has been deprecated. Use .setRenderTarget() and .clear() instead."),this.setRenderTarget(r),this.clear(e,t,n)};Ze.prototype.animate=function(r){console.warn("THREE.WebGLRenderer: .animate() is now .setAnimationLoop()."),this.setAnimationLoop(r)};Ze.prototype.getCurrentRenderTarget=function(){return console.warn("THREE.WebGLRenderer: .getCurrentRenderTarget() is now .getRenderTarget()."),this.getRenderTarget()};Ze.prototype.getMaxAnisotropy=function(){return console.warn("THREE.WebGLRenderer: .getMaxAnisotropy() is now .capabilities.getMaxAnisotropy()."),this.capabilities.getMaxAnisotropy()};Ze.prototype.getPrecision=function(){return console.warn("THREE.WebGLRenderer: .getPrecision() is now .capabilities.precision."),this.capabilities.precision};Ze.prototype.resetGLState=function(){return console.warn("THREE.WebGLRenderer: .resetGLState() is now .state.reset()."),this.state.reset()};Ze.prototype.supportsFloatTextures=function(){return console.warn("THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( 'OES_texture_float' )."),this.extensions.get("OES_texture_float")};Ze.prototype.supportsHalfFloatTextures=function(){return console.warn("THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( 'OES_texture_half_float' )."),this.extensions.get("OES_texture_half_float")};Ze.prototype.supportsStandardDerivatives=function(){return console.warn("THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( 'OES_standard_derivatives' )."),this.extensions.get("OES_standard_derivatives")};Ze.prototype.supportsCompressedTextureS3TC=function(){return console.warn("THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( 'WEBGL_compressed_texture_s3tc' )."),this.extensions.get("WEBGL_compressed_texture_s3tc")};Ze.prototype.supportsCompressedTexturePVRTC=function(){return console.warn("THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( 'WEBGL_compressed_texture_pvrtc' )."),this.extensions.get("WEBGL_compressed_texture_pvrtc")};Ze.prototype.supportsBlendMinMax=function(){return console.warn("THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( 'EXT_blend_minmax' )."),this.extensions.get("EXT_blend_minmax")};Ze.prototype.supportsVertexTextures=function(){return console.warn("THREE.WebGLRenderer: .supportsVertexTextures() is now .capabilities.vertexTextures."),this.capabilities.vertexTextures};Ze.prototype.supportsInstancedArrays=function(){return console.warn("THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( 'ANGLE_instanced_arrays' )."),this.extensions.get("ANGLE_instanced_arrays")};Ze.prototype.enableScissorTest=function(r){console.warn("THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest()."),this.setScissorTest(r)};Ze.prototype.initMaterial=function(){console.warn("THREE.WebGLRenderer: .initMaterial() has been removed.")};Ze.prototype.addPrePlugin=function(){console.warn("THREE.WebGLRenderer: .addPrePlugin() has been removed.")};Ze.prototype.addPostPlugin=function(){console.warn("THREE.WebGLRenderer: .addPostPlugin() has been removed.")};Ze.prototype.updateShadowMap=function(){console.warn("THREE.WebGLRenderer: .updateShadowMap() has been removed.")};Ze.prototype.setFaceCulling=function(){console.warn("THREE.WebGLRenderer: .setFaceCulling() has been removed.")};Ze.prototype.allocTextureUnit=function(){console.warn("THREE.WebGLRenderer: .allocTextureUnit() has been removed.")};Ze.prototype.setTexture=function(){console.warn("THREE.WebGLRenderer: .setTexture() has been removed.")};Ze.prototype.setTexture2D=function(){console.warn("THREE.WebGLRenderer: .setTexture2D() has been removed.")};Ze.prototype.setTextureCube=function(){console.warn("THREE.WebGLRenderer: .setTextureCube() has been removed.")};Ze.prototype.getActiveMipMapLevel=function(){return console.warn("THREE.WebGLRenderer: .getActiveMipMapLevel() is now .getActiveMipmapLevel()."),this.getActiveMipmapLevel()};Object.defineProperties(Ze.prototype,{shadowMapEnabled:{get:function(){return this.shadowMap.enabled},set:function(r){console.warn("THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled."),this.shadowMap.enabled=r}},shadowMapType:{get:function(){return this.shadowMap.type},set:function(r){console.warn("THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type."),this.shadowMap.type=r}},shadowMapCullFace:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMapCullFace has been removed. 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Set Material.shadowSide instead.")}},renderSingleSided:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.")},set:function(){console.warn("THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. 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Use THREE.AudioLoader instead.");let e=this;return new Wc().load(r,function(n){e.setBuffer(n)}),this};Qc.prototype.getData=function(){return console.warn("THREE.AudioAnalyser: .getData() is now .getFrequencyData()."),this.getFrequencyData()};Os.prototype.updateCubeMap=function(r,e){return console.warn("THREE.CubeCamera: .updateCubeMap() is now .update()."),this.update(r,e)};Os.prototype.clear=function(r,e,t,n){return console.warn("THREE.CubeCamera: .clear() is now .renderTarget.clear()."),this.renderTarget.clear(r,e,t,n)};Kn.crossOrigin=void 0;Kn.loadTexture=function(r,e,t,n){console.warn("THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.");let i=new en;i.setCrossOrigin(this.crossOrigin);let s=i.load(r,t,void 0,n);return e&&(s.mapping=e),s};Kn.loadTextureCube=function(r,e,t,n){console.warn("THREE.ImageUtils.loadTextureCube has been deprecated. 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H|=C.COLOR_BUFFER_BIT}L&&(H|=C.DEPTH_BUFFER_BIT),F&&(H|=C.STENCIL_BUFFER_BIT,this.state.buffers.stencil.setMask(4294967295)),C.clear(H)},this.clearColor=function(){this.clear(!0,!1,!1)},this.clearDepth=function(){this.clear(!1,!0,!1)},this.clearStencil=function(){this.clear(!1,!1,!0)},this.dispose=function(){t.removeEventListener("webglcontextlost",Q,!1),t.removeEventListener("webglcontextrestored",ge,!1),t.removeEventListener("webglcontextcreationerror",pe,!1),Be.dispose(),xe.dispose(),Je.dispose(),fe.dispose(),S.dispose(),O.dispose(),j.dispose(),vt.dispose(),U.dispose(),Te.dispose(),X.dispose(),X.removeEventListener("sessionstart",Uf),X.removeEventListener("sessionend",Lf),lr.stop()};function Q(E){E.preventDefault(),console.log("THREE.WebGLRenderer: Context Lost."),D=!0}function ge(){console.log("THREE.WebGLRenderer: Context Restored."),D=!1;let E=Ne.autoReset,L=Ae.enabled,F=Ae.autoUpdate,H=Ae.needsUpdate,B=Ae.type;ue(),Ne.autoReset=E,Ae.enabled=L,Ae.autoUpdate=F,Ae.needsUpdate=H,Ae.type=B}function pe(E){console.error("THREE.WebGLRenderer: A WebGL context could not be created. Reason: ",E.statusMessage)}function Ye(E){let L=E.target;L.removeEventListener("dispose",Ye),Ct(L)}function Ct(E){Qt(E),fe.remove(E)}function Qt(E){let L=fe.get(E).programs;L!==void 0&&(L.forEach(function(F){Te.releaseProgram(F)}),E.isShaderMaterial&&Te.releaseShaderCache(E))}this.renderBufferDirect=function(E,L,F,H,B,te){L===null&&(L=lt);let de=B.isMesh&&B.matrixWorld.determinant()<0,ye=bv(E,L,F,H,B);se.setMaterial(H,de);let Ee=F.index,He=1;if(H.wireframe===!0){if(Ee=K.getWireframeAttribute(F),Ee===void 0)return;He=2}let ke=F.drawRange,Ie=F.attributes.position,st=ke.start*He,ht=(ke.start+ke.count)*He;te!==null&&(st=Math.max(st,te.start*He),ht=Math.min(ht,(te.start+te.count)*He)),Ee!==null?(st=Math.max(st,0),ht=Math.min(ht,Ee.count)):Ie!=null&&(st=Math.max(st,0),ht=Math.min(ht,Ie.count));let Lt=ht-st;if(Lt<0||Lt===1/0)return;vt.setup(B,H,ye,F,Ee);let Rt,at=Se;if(Ee!==null&&(Rt=Y.get(Ee),at=nt,at.setIndex(Rt)),B.isMesh)H.wireframe===!0?(se.setLineWidth(H.wireframeLinewidth*J()),at.setMode(C.LINES)):at.setMode(C.TRIANGLES);else if(B.isLine){let Ue=H.linewidth;Ue===void 0&&(Ue=1),se.setLineWidth(Ue*J()),B.isLineSegments?at.setMode(C.LINES):B.isLineLoop?at.setMode(C.LINE_LOOP):at.setMode(C.LINE_STRIP)}else B.isPoints?at.setMode(C.POINTS):B.isSprite&&at.setMode(C.TRIANGLES);if(B.isBatchedMesh)if(B._multiDrawInstances!==null)at.renderMultiDrawInstances(B._multiDrawStarts,B._multiDrawCounts,B._multiDrawCount,B._multiDrawInstances);else if(ee.get("WEBGL_multi_draw"))at.renderMultiDraw(B._multiDrawStarts,B._multiDrawCounts,B._multiDrawCount);else{let Ue=B._multiDrawStarts,qt=B._multiDrawCounts,ut=B._multiDrawCount,Yi=Ee?Y.get(Ee).bytesPerElement:1,ns=fe.get(H).currentProgram.getUniforms();for(let xi=0;xi{function te(){if(H.forEach(function(de){fe.get(de).currentProgram.isReady()&&H.delete(de)}),H.size===0){B(E);return}setTimeout(te,10)}ee.get("KHR_parallel_shader_compile")!==null?te():setTimeout(te,10)})};let Xi=null;function xn(E){Xi&&Xi(E)}function Uf(){lr.stop()}function Lf(){lr.start()}let lr=new ig;lr.setAnimationLoop(xn),typeof self!="undefined"&&lr.setContext(self),this.setAnimationLoop=function(E){Xi=E,X.setAnimationLoop(E),E===null?lr.stop():lr.start()},X.addEventListener("sessionstart",Uf),X.addEventListener("sessionend",Lf),this.render=function(E,L){if(L!==void 0&&L.isCamera!==!0){console.error("THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.");return}if(D===!0)return;if(E.matrixWorldAutoUpdate===!0&&E.updateMatrixWorld(),L.parent===null&&L.matrixWorldAutoUpdate===!0&&L.updateMatrixWorld(),X.enabled===!0&&X.isPresenting===!0&&(X.cameraAutoUpdate===!0&&X.updateCamera(L),L=X.getCamera()),E.isScene===!0&&E.onBeforeRender(_,E,L,P),p=Je.get(E,x.length),p.init(L),x.push(p),Pe.multiplyMatrices(L.projectionMatrix,L.matrixWorldInverse),q.setFromProjectionMatrix(Pe),be=this.localClippingEnabled,ae=ie.init(this.clippingPlanes,be),g=xe.get(E,y.length),g.init(),y.push(g),X.enabled===!0&&X.isPresenting===!0){let te=_.xr.getDepthSensingMesh();te!==null&&wh(te,L,-1/0,_.sortObjects)}wh(E,L,0,_.sortObjects),g.finish(),_.sortObjects===!0&&g.sort(ce,ve),$=X.enabled===!1||X.isPresenting===!1||X.hasDepthSensing()===!1,$&&Be.addToRenderList(g,E),this.info.render.frame++,ae===!0&&ie.beginShadows();let F=p.state.shadowsArray;Ae.render(F,E,L),ae===!0&&ie.endShadows(),this.info.autoReset===!0&&this.info.reset();let H=g.opaque,B=g.transmissive;if(p.setupLights(),L.isArrayCamera){let te=L.cameras;if(B.length>0)for(let de=0,ye=te.length;de0&&Of(H,B,E,L),$&&Be.render(E),Bf(g,E,L);P!==null&&R===0&&(w.updateMultisampleRenderTarget(P),w.updateRenderTargetMipmap(P)),E.isScene===!0&&E.onAfterRender(_,E,L),vt.resetDefaultState(),M=-1,A=null,x.pop(),x.length>0?(p=x[x.length-1],ae===!0&&ie.setGlobalState(_.clippingPlanes,p.state.camera)):p=null,y.pop(),y.length>0?g=y[y.length-1]:g=null};function wh(E,L,F,H){if(E.visible===!1)return;if(E.layers.test(L.layers)){if(E.isGroup)F=E.renderOrder;else if(E.isLOD)E.autoUpdate===!0&&E.update(L);else if(E.isLight)p.pushLight(E),E.castShadow&&p.pushShadow(E);else if(E.isSprite){if(!E.frustumCulled||q.intersectsSprite(E)){H&&De.setFromMatrixPosition(E.matrixWorld).applyMatrix4(Pe);let de=j.update(E),ye=E.material;ye.visible&&g.push(E,de,ye,F,De.z,null)}}else if((E.isMesh||E.isLine||E.isPoints)&&(!E.frustumCulled||q.intersectsObject(E))){let de=j.update(E),ye=E.material;if(H&&(E.boundingSphere!==void 0?(E.boundingSphere===null&&E.computeBoundingSphere(),De.copy(E.boundingSphere.center)):(de.boundingSphere===null&&de.computeBoundingSphere(),De.copy(de.boundingSphere.center)),De.applyMatrix4(E.matrixWorld).applyMatrix4(Pe)),Array.isArray(ye)){let Ee=de.groups;for(let He=0,ke=Ee.length;He0&&al(B,L,F),te.length>0&&al(te,L,F),de.length>0&&al(de,L,F),se.buffers.depth.setTest(!0),se.buffers.depth.setMask(!0),se.buffers.color.setMask(!0),se.setPolygonOffset(!1)}function Of(E,L,F,H){if((F.isScene===!0?F.overrideMaterial:null)!==null)return;p.state.transmissionRenderTarget[H.id]===void 0&&(p.state.transmissionRenderTarget[H.id]=new mt(1,1,{generateMipmaps:!0,type:ee.has("EXT_color_buffer_half_float")||ee.has("EXT_color_buffer_float")?fr:bt,minFilter:Zi,samples:4,stencilBuffer:s,resolveDepthBuffer:!1,resolveStencilBuffer:!1,colorSpace:et.workingColorSpace}));let te=p.state.transmissionRenderTarget[H.id],de=H.viewport||I;te.setSize(de.z*_.transmissionResolutionScale,de.w*_.transmissionResolutionScale);let ye=_.getRenderTarget();_.setRenderTarget(te),_.getClearColor(G),Z=_.getClearAlpha(),Z<1&&_.setClearColor(16777215,.5),_.clear(),$&&Be.render(F);let Ee=_.toneMapping;_.toneMapping=an;let He=H.viewport;if(H.viewport!==void 0&&(H.viewport=void 0),p.setupLightsView(H),ae===!0&&ie.setGlobalState(_.clippingPlanes,H),al(E,F,H),w.updateMultisampleRenderTarget(te),w.updateRenderTargetMipmap(te),ee.has("WEBGL_multisampled_render_to_texture")===!1){let ke=!1;for(let Ie=0,st=L.length;Ie0),Ie=!!F.morphAttributes.position,st=!!F.morphAttributes.normal,ht=!!F.morphAttributes.color,Lt=an;H.toneMapped&&(P===null||P.isXRRenderTarget===!0)&&(Lt=_.toneMapping);let Rt=F.morphAttributes.position||F.morphAttributes.normal||F.morphAttributes.color,at=Rt!==void 0?Rt.length:0,Ue=fe.get(H),qt=p.state.lights;if(ae===!0&&(be===!0||E!==A)){let si=E===A&&H.id===M;ie.setState(H,E,si)}let ut=!1;H.version===Ue.__version?(Ue.needsLights&&Ue.lightsStateVersion!==qt.state.version||Ue.outputColorSpace!==ye||B.isBatchedMesh&&Ue.batching===!1||!B.isBatchedMesh&&Ue.batching===!0||B.isBatchedMesh&&Ue.batchingColor===!0&&B.colorTexture===null||B.isBatchedMesh&&Ue.batchingColor===!1&&B.colorTexture!==null||B.isInstancedMesh&&Ue.instancing===!1||!B.isInstancedMesh&&Ue.instancing===!0||B.isSkinnedMesh&&Ue.skinning===!1||!B.isSkinnedMesh&&Ue.skinning===!0||B.isInstancedMesh&&Ue.instancingColor===!0&&B.instanceColor===null||B.isInstancedMesh&&Ue.instancingColor===!1&&B.instanceColor!==null||B.isInstancedMesh&&Ue.instancingMorph===!0&&B.morphTexture===null||B.isInstancedMesh&&Ue.instancingMorph===!1&&B.morphTexture!==null||Ue.envMap!==Ee||H.fog===!0&&Ue.fog!==te||Ue.numClippingPlanes!==void 0&&(Ue.numClippingPlanes!==ie.numPlanes||Ue.numIntersection!==ie.numIntersection)||Ue.vertexAlphas!==He||Ue.vertexTangents!==ke||Ue.morphTargets!==Ie||Ue.morphNormals!==st||Ue.morphColors!==ht||Ue.toneMapping!==Lt||Ue.morphTargetsCount!==at)&&(ut=!0):(ut=!0,Ue.__version=H.version);let Yi=Ue.currentProgram;ut===!0&&(Yi=ol(H,L,B));let ns=!1,xi=!1,Ea=!1,Mt=Yi.getUniforms(),Di=Ue.uniforms;if(se.useProgram(Yi.program)&&(ns=!0,xi=!0,Ea=!0),H.id!==M&&(M=H.id,xi=!0),ns||A!==E){se.buffers.depth.getReversed()?(oe.copy(E.projectionMatrix),Pp(oe),Ip(oe),Mt.setValue(C,"projectionMatrix",oe)):Mt.setValue(C,"projectionMatrix",E.projectionMatrix),Mt.setValue(C,"viewMatrix",E.matrixWorldInverse);let hi=Mt.map.cameraPosition;hi!==void 0&&hi.setValue(C,rt.setFromMatrixPosition(E.matrixWorld)),_e.logarithmicDepthBuffer&&Mt.setValue(C,"logDepthBufFC",2/(Math.log(E.far+1)/Math.LN2)),(H.isMeshPhongMaterial||H.isMeshToonMaterial||H.isMeshLambertMaterial||H.isMeshBasicMaterial||H.isMeshStandardMaterial||H.isShaderMaterial)&&Mt.setValue(C,"isOrthographic",E.isOrthographicCamera===!0),A!==E&&(A=E,xi=!0,Ea=!0)}if(B.isSkinnedMesh){Mt.setOptional(C,B,"bindMatrix"),Mt.setOptional(C,B,"bindMatrixInverse");let si=B.skeleton;si&&(si.boneTexture===null&&si.computeBoneTexture(),Mt.setValue(C,"boneTexture",si.boneTexture,w))}B.isBatchedMesh&&(Mt.setOptional(C,B,"batchingTexture"),Mt.setValue(C,"batchingTexture",B._matricesTexture,w),Mt.setOptional(C,B,"batchingIdTexture"),Mt.setValue(C,"batchingIdTexture",B._indirectTexture,w),Mt.setOptional(C,B,"batchingColorTexture"),B._colorsTexture!==null&&Mt.setValue(C,"batchingColorTexture",B._colorsTexture,w));let Pi=F.morphAttributes;if((Pi.position!==void 0||Pi.normal!==void 0||Pi.color!==void 0)&&Fe.update(B,F,Yi),(xi||Ue.receiveShadow!==B.receiveShadow)&&(Ue.receiveShadow=B.receiveShadow,Mt.setValue(C,"receiveShadow",B.receiveShadow)),H.isMeshGouraudMaterial&&H.envMap!==null&&(Di.envMap.value=Ee,Di.flipEnvMap.value=Ee.isCubeTexture&&Ee.isRenderTargetTexture===!1?-1:1),H.isMeshStandardMaterial&&H.envMap===null&&L.environment!==null&&(Di.envMapIntensity.value=L.environmentIntensity),xi&&(Mt.setValue(C,"toneMappingExposure",_.toneMappingExposure),Ue.needsLights&&Tv(Di,Ea),te&&H.fog===!0&&he.refreshFogUniforms(Di,te),he.refreshMaterialUniforms(Di,H,W,ne,p.state.transmissionRenderTarget[E.id]),tl.upload(C,Ff(Ue),Di,w)),H.isShaderMaterial&&H.uniformsNeedUpdate===!0&&(tl.upload(C,Ff(Ue),Di,w),H.uniformsNeedUpdate=!1),H.isSpriteMaterial&&Mt.setValue(C,"center",B.center),Mt.setValue(C,"modelViewMatrix",B.modelViewMatrix),Mt.setValue(C,"normalMatrix",B.normalMatrix),Mt.setValue(C,"modelMatrix",B.matrixWorld),H.isShaderMaterial||H.isRawShaderMaterial){let si=H.uniformsGroups;for(let hi=0,Ch=si.length;hi0&&w.useMultisampledRTT(E)===!1?B=fe.get(E).__webglMultisampledFramebuffer:Array.isArray(ke)?B=ke[F]:B=ke,I.copy(E.viewport),k.copy(E.scissor),N=E.scissorTest}else I.copy(Me).multiplyScalar(W).floor(),k.copy(Ve).multiplyScalar(W).floor(),N=ct;if(F!==0&&(B=Cv),se.bindFramebuffer(C.FRAMEBUFFER,B)&&H&&se.drawBuffers(E,B),se.viewport(I),se.scissor(k),se.setScissorTest(N),te){let Ee=fe.get(E.texture);C.framebufferTexture2D(C.FRAMEBUFFER,C.COLOR_ATTACHMENT0,C.TEXTURE_CUBE_MAP_POSITIVE_X+L,Ee.__webglTexture,F)}else if(de){let Ee=fe.get(E.texture),He=L;C.framebufferTextureLayer(C.FRAMEBUFFER,C.COLOR_ATTACHMENT0,Ee.__webglTexture,F,He)}else if(E!==null&&F!==0){let Ee=fe.get(E.texture);C.framebufferTexture2D(C.FRAMEBUFFER,C.COLOR_ATTACHMENT0,C.TEXTURE_2D,Ee.__webglTexture,F)}M=-1},this.readRenderTargetPixels=function(E,L,F,H,B,te,de){if(!(E&&E.isWebGLRenderTarget)){console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");return}let ye=fe.get(E).__webglFramebuffer;if(E.isWebGLCubeRenderTarget&&de!==void 0&&(ye=ye[de]),ye){se.bindFramebuffer(C.FRAMEBUFFER,ye);try{let Ee=E.texture,He=Ee.format,ke=Ee.type;if(!_e.textureFormatReadable(He)){console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");return}if(!_e.textureTypeReadable(ke)){console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");return}L>=0&&L<=E.width-H&&F>=0&&F<=E.height-B&&C.readPixels(L,F,H,B,qe.convert(He),qe.convert(ke),te)}finally{let Ee=P!==null?fe.get(P).__webglFramebuffer:null;se.bindFramebuffer(C.FRAMEBUFFER,Ee)}}},this.readRenderTargetPixelsAsync=function(E,L,F,H,B,te,de){return ui(this,null,function*(){if(!(E&&E.isWebGLRenderTarget))throw new Error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let ye=fe.get(E).__webglFramebuffer;if(E.isWebGLCubeRenderTarget&&de!==void 0&&(ye=ye[de]),ye){let Ee=E.texture,He=Ee.format,ke=Ee.type;if(!_e.textureFormatReadable(He))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in RGBA or implementation defined format.");if(!_e.textureTypeReadable(ke))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in UnsignedByteType or implementation defined type.");if(L>=0&&L<=E.width-H&&F>=0&&F<=E.height-B){se.bindFramebuffer(C.FRAMEBUFFER,ye);let Ie=C.createBuffer();C.bindBuffer(C.PIXEL_PACK_BUFFER,Ie),C.bufferData(C.PIXEL_PACK_BUFFER,te.byteLength,C.STREAM_READ),C.readPixels(L,F,H,B,qe.convert(He),qe.convert(ke),0);let st=P!==null?fe.get(P).__webglFramebuffer:null;se.bindFramebuffer(C.FRAMEBUFFER,st);let ht=C.fenceSync(C.SYNC_GPU_COMMANDS_COMPLETE,0);return C.flush(),yield Dp(C,ht,4),C.bindBuffer(C.PIXEL_PACK_BUFFER,Ie),C.getBufferSubData(C.PIXEL_PACK_BUFFER,0,te),C.deleteBuffer(Ie),C.deleteSync(ht),te}else throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: requested read bounds are out of range.")}})},this.copyFramebufferToTexture=function(E,L=null,F=0){E.isTexture!==!0&&(gr("WebGLRenderer: copyFramebufferToTexture function signature has changed."),L=arguments[0]||null,E=arguments[1]);let H=Math.pow(2,-F),B=Math.floor(E.image.width*H),te=Math.floor(E.image.height*H),de=L!==null?L.x:0,ye=L!==null?L.y:0;w.setTexture2D(E,0),C.copyTexSubImage2D(C.TEXTURE_2D,F,0,0,de,ye,B,te),se.unbindTexture()};let Rv=C.createFramebuffer(),Dv=C.createFramebuffer();this.copyTextureToTexture=function(E,L,F=null,H=null,B=0,te=null){E.isTexture!==!0&&(gr("WebGLRenderer: copyTextureToTexture function signature has changed."),H=arguments[0]||null,E=arguments[1],L=arguments[2],te=arguments[3]||0,F=null),te===null&&(B!==0?(gr("WebGLRenderer: copyTextureToTexture function signature has changed to support src and dst mipmap levels."),te=B,B=0):te=0);let de,ye,Ee,He,ke,Ie,st,ht,Lt,Rt=E.isCompressedTexture?E.mipmaps[te]:E.image;if(F!==null)de=F.max.x-F.min.x,ye=F.max.y-F.min.y,Ee=F.isBox3?F.max.z-F.min.z:1,He=F.min.x,ke=F.min.y,Ie=F.isBox3?F.min.z:0;else{let Pi=Math.pow(2,-B);de=Math.floor(Rt.width*Pi),ye=Math.floor(Rt.height*Pi),E.isDataArrayTexture?Ee=Rt.depth:E.isData3DTexture?Ee=Math.floor(Rt.depth*Pi):Ee=1,He=0,ke=0,Ie=0}H!==null?(st=H.x,ht=H.y,Lt=H.z):(st=0,ht=0,Lt=0);let at=qe.convert(L.format),Ue=qe.convert(L.type),qt;L.isData3DTexture?(w.setTexture3D(L,0),qt=C.TEXTURE_3D):L.isDataArrayTexture||L.isCompressedArrayTexture?(w.setTexture2DArray(L,0),qt=C.TEXTURE_2D_ARRAY):(w.setTexture2D(L,0),qt=C.TEXTURE_2D),C.pixelStorei(C.UNPACK_FLIP_Y_WEBGL,L.flipY),C.pixelStorei(C.UNPACK_PREMULTIPLY_ALPHA_WEBGL,L.premultiplyAlpha),C.pixelStorei(C.UNPACK_ALIGNMENT,L.unpackAlignment);let ut=C.getParameter(C.UNPACK_ROW_LENGTH),Yi=C.getParameter(C.UNPACK_IMAGE_HEIGHT),ns=C.getParameter(C.UNPACK_SKIP_PIXELS),xi=C.getParameter(C.UNPACK_SKIP_ROWS),Ea=C.getParameter(C.UNPACK_SKIP_IMAGES);C.pixelStorei(C.UNPACK_ROW_LENGTH,Rt.width),C.pixelStorei(C.UNPACK_IMAGE_HEIGHT,Rt.height),C.pixelStorei(C.UNPACK_SKIP_PIXELS,He),C.pixelStorei(C.UNPACK_SKIP_ROWS,ke),C.pixelStorei(C.UNPACK_SKIP_IMAGES,Ie);let Mt=E.isDataArrayTexture||E.isData3DTexture,Di=L.isDataArrayTexture||L.isData3DTexture;if(E.isDepthTexture){let Pi=fe.get(E),si=fe.get(L),hi=fe.get(Pi.__renderTarget),Ch=fe.get(si.__renderTarget);se.bindFramebuffer(C.READ_FRAMEBUFFER,hi.__webglFramebuffer),se.bindFramebuffer(C.DRAW_FRAMEBUFFER,Ch.__webglFramebuffer);for(let cr=0;crMath.PI&&(i-=vi),n<-Math.PI?n+=vi:n>Math.PI&&(n-=vi),i<=n?this._spherical.theta=Math.max(i,Math.min(n,this._spherical.theta)):this._spherical.theta=this._spherical.theta>(i+n)/2?Math.max(i,this._spherical.theta):Math.min(n,this._spherical.theta)),this._spherical.phi=Math.max(this.minPolarAngle,Math.min(this.maxPolarAngle,this._spherical.phi)),this._spherical.makeSafe(),this.enableDamping===!0?this.target.addScaledVector(this._panOffset,this.dampingFactor):this.target.add(this._panOffset),this.target.sub(this.cursor),this.target.clampLength(this.minTargetRadius,this.maxTargetRadius),this.target.add(this.cursor);let s=!1;if(this.zoomToCursor&&this._performCursorZoom||this.object.isOrthographicCamera)this._spherical.radius=this._clampDistance(this._spherical.radius);else{let a=this._spherical.radius;this._spherical.radius=this._clampDistance(this._spherical.radius*this._scale),s=a!=this._spherical.radius}if(Gt.setFromSpherical(this._spherical),Gt.applyQuaternion(this._quatInverse),t.copy(this.target).add(Gt),this.object.lookAt(this.target),this.enableDamping===!0?(this._sphericalDelta.theta*=1-this.dampingFactor,this._sphericalDelta.phi*=1-this.dampingFactor,this._panOffset.multiplyScalar(1-this.dampingFactor)):(this._sphericalDelta.set(0,0,0),this._panOffset.set(0,0,0)),this.zoomToCursor&&this._performCursorZoom){let a=null;if(this.object.isPerspectiveCamera){let o=Gt.length();a=this._clampDistance(o*this._scale);let l=o-a;this.object.position.addScaledVector(this._dollyDirection,l),this.object.updateMatrixWorld(),s=!!l}else if(this.object.isOrthographicCamera){let o=new b(this._mouse.x,this._mouse.y,0);o.unproject(this.object);let l=this.object.zoom;this.object.zoom=Math.max(this.minZoom,Math.min(this.maxZoom,this.object.zoom/this._scale)),this.object.updateProjectionMatrix(),s=l!==this.object.zoom;let c=new b(this._mouse.x,this._mouse.y,0);c.unproject(this.object),this.object.position.sub(c).add(o),this.object.updateMatrixWorld(),a=Gt.length()}else console.warn("WARNING: OrbitControls.js encountered an unknown camera type - zoom to cursor disabled."),this.zoomToCursor=!1;a!==null&&(this.screenSpacePanning?this.target.set(0,0,-1).transformDirection(this.object.matrix).multiplyScalar(a).add(this.object.position):(ph.origin.copy(this.object.position),ph.direction.set(0,0,-1).transformDirection(this.object.matrix),Math.abs(this.object.up.dot(ph.direction))<$S?this.object.lookAt(this.target):(zg.setFromNormalAndCoplanarPoint(this.object.up,this.target),ph.intersectPlane(zg,this.target))))}else if(this.object.isOrthographicCamera){let a=this.object.zoom;this.object.zoom=Math.max(this.minZoom,Math.min(this.maxZoom,this.object.zoom/this._scale)),a!==this.object.zoom&&(this.object.updateProjectionMatrix(),s=!0)}return this._scale=1,this._performCursorZoom=!1,s||this._lastPosition.distanceToSquared(this.object.position)>vf||8*(1-this._lastQuaternion.dot(this.object.quaternion))>vf||this._lastTargetPosition.distanceToSquared(this.target)>vf?(this.dispatchEvent(Fg),this._lastPosition.copy(this.object.position),this._lastQuaternion.copy(this.object.quaternion),this._lastTargetPosition.copy(this.target),!0):!1}_getAutoRotationAngle(e){return e!==null?vi/60*this.autoRotateSpeed*e:vi/60/60*this.autoRotateSpeed}_getZoomScale(e){let t=Math.abs(e*.01);return Math.pow(.95,this.zoomSpeed*t)}_rotateLeft(e){this._sphericalDelta.theta-=e}_rotateUp(e){this._sphericalDelta.phi-=e}_panLeft(e,t){Gt.setFromMatrixColumn(t,0),Gt.multiplyScalar(-e),this._panOffset.add(Gt)}_panUp(e,t){this.screenSpacePanning===!0?Gt.setFromMatrixColumn(t,1):(Gt.setFromMatrixColumn(t,0),Gt.crossVectors(this.object.up,Gt)),Gt.multiplyScalar(e),this._panOffset.add(Gt)}_pan(e,t){let i=this.domElement;if(this.object.isPerspectiveCamera){let n=this.object.position;Gt.copy(n).sub(this.target);let s=Gt.length();s*=Math.tan(this.object.fov/2*Math.PI/180),this._panLeft(2*e*s/i.clientHeight,this.object.matrix),this._panUp(2*t*s/i.clientHeight,this.object.matrix)}else this.object.isOrthographicCamera?(this._panLeft(e*(this.object.right-this.object.left)/this.object.zoom/i.clientWidth,this.object.matrix),this._panUp(t*(this.object.top-this.object.bottom)/this.object.zoom/i.clientHeight,this.object.matrix)):(console.warn("WARNING: OrbitControls.js encountered an unknown camera type - pan disabled."),this.enablePan=!1)}_dollyOut(e){this.object.isPerspectiveCamera||this.object.isOrthographicCamera?this._scale/=e:(console.warn("WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled."),this.enableZoom=!1)}_dollyIn(e){this.object.isPerspectiveCamera||this.object.isOrthographicCamera?this._scale*=e:(console.warn("WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled."),this.enableZoom=!1)}_updateZoomParameters(e,t){if(!this.zoomToCursor)return;this._performCursorZoom=!0;let i=this.domElement.getBoundingClientRect(),n=e-i.left,s=t-i.top,a=i.width,o=i.height;this._mouse.x=n/a*2-1,this._mouse.y=-(s/o)*2+1,this._dollyDirection.set(this._mouse.x,this._mouse.y,1).unproject(this.object).sub(this.object.position).normalize()}_clampDistance(e){return Math.max(this.minDistance,Math.min(this.maxDistance,e))}_handleMouseDownRotate(e){this._rotateStart.set(e.clientX,e.clientY)}_handleMouseDownDolly(e){this._updateZoomParameters(e.clientX,e.clientX),this._dollyStart.set(e.clientX,e.clientY)}_handleMouseDownPan(e){this._panStart.set(e.clientX,e.clientY)}_handleMouseMoveRotate(e){this._rotateEnd.set(e.clientX,e.clientY),this._rotateDelta.subVectors(this._rotateEnd,this._rotateStart).multiplyScalar(this.rotateSpeed);let t=this.domElement;this._rotateLeft(vi*this._rotateDelta.x/t.clientHeight),this._rotateUp(vi*this._rotateDelta.y/t.clientHeight),this._rotateStart.copy(this._rotateEnd),this.update()}_handleMouseMoveDolly(e){this._dollyEnd.set(e.clientX,e.clientY),this._dollyDelta.subVectors(this._dollyEnd,this._dollyStart),this._dollyDelta.y>0?this._dollyOut(this._getZoomScale(this._dollyDelta.y)):this._dollyDelta.y<0&&this._dollyIn(this._getZoomScale(this._dollyDelta.y)),this._dollyStart.copy(this._dollyEnd),this.update()}_handleMouseMovePan(e){this._panEnd.set(e.clientX,e.clientY),this._panDelta.subVectors(this._panEnd,this._panStart).multiplyScalar(this.panSpeed),this._pan(this._panDelta.x,this._panDelta.y),this._panStart.copy(this._panEnd),this.update()}_handleMouseWheel(e){this._updateZoomParameters(e.clientX,e.clientY),e.deltaY<0?this._dollyIn(this._getZoomScale(e.deltaY)):e.deltaY>0&&this._dollyOut(this._getZoomScale(e.deltaY)),this.update()}_handleKeyDown(e){let t=!1;switch(e.code){case this.keys.UP:e.ctrlKey||e.metaKey||e.shiftKey?this.enableRotate&&this._rotateUp(vi*this.keyRotateSpeed/this.domElement.clientHeight):this.enablePan&&this._pan(0,this.keyPanSpeed),t=!0;break;case this.keys.BOTTOM:e.ctrlKey||e.metaKey||e.shiftKey?this.enableRotate&&this._rotateUp(-vi*this.keyRotateSpeed/this.domElement.clientHeight):this.enablePan&&this._pan(0,-this.keyPanSpeed),t=!0;break;case this.keys.LEFT:e.ctrlKey||e.metaKey||e.shiftKey?this.enableRotate&&this._rotateLeft(vi*this.keyRotateSpeed/this.domElement.clientHeight):this.enablePan&&this._pan(this.keyPanSpeed,0),t=!0;break;case this.keys.RIGHT:e.ctrlKey||e.metaKey||e.shiftKey?this.enableRotate&&this._rotateLeft(-vi*this.keyRotateSpeed/this.domElement.clientHeight):this.enablePan&&this._pan(-this.keyPanSpeed,0),t=!0;break}t&&(e.preventDefault(),this.update())}_handleTouchStartRotate(e){if(this._pointers.length===1)this._rotateStart.set(e.pageX,e.pageY);else{let t=this._getSecondPointerPosition(e),i=.5*(e.pageX+t.x),n=.5*(e.pageY+t.y);this._rotateStart.set(i,n)}}_handleTouchStartPan(e){if(this._pointers.length===1)this._panStart.set(e.pageX,e.pageY);else{let t=this._getSecondPointerPosition(e),i=.5*(e.pageX+t.x),n=.5*(e.pageY+t.y);this._panStart.set(i,n)}}_handleTouchStartDolly(e){let t=this._getSecondPointerPosition(e),i=e.pageX-t.x,n=e.pageY-t.y,s=Math.sqrt(i*i+n*n);this._dollyStart.set(0,s)}_handleTouchStartDollyPan(e){this.enableZoom&&this._handleTouchStartDolly(e),this.enablePan&&this._handleTouchStartPan(e)}_handleTouchStartDollyRotate(e){this.enableZoom&&this._handleTouchStartDolly(e),this.enableRotate&&this._handleTouchStartRotate(e)}_handleTouchMoveRotate(e){if(this._pointers.length==1)this._rotateEnd.set(e.pageX,e.pageY);else{let i=this._getSecondPointerPosition(e),n=.5*(e.pageX+i.x),s=.5*(e.pageY+i.y);this._rotateEnd.set(n,s)}this._rotateDelta.subVectors(this._rotateEnd,this._rotateStart).multiplyScalar(this.rotateSpeed);let t=this.domElement;this._rotateLeft(vi*this._rotateDelta.x/t.clientHeight),this._rotateUp(vi*this._rotateDelta.y/t.clientHeight),this._rotateStart.copy(this._rotateEnd)}_handleTouchMovePan(e){if(this._pointers.length===1)this._panEnd.set(e.pageX,e.pageY);else{let t=this._getSecondPointerPosition(e),i=.5*(e.pageX+t.x),n=.5*(e.pageY+t.y);this._panEnd.set(i,n)}this._panDelta.subVectors(this._panEnd,this._panStart).multiplyScalar(this.panSpeed),this._pan(this._panDelta.x,this._panDelta.y),this._panStart.copy(this._panEnd)}_handleTouchMoveDolly(e){let t=this._getSecondPointerPosition(e),i=e.pageX-t.x,n=e.pageY-t.y,s=Math.sqrt(i*i+n*n);this._dollyEnd.set(0,s),this._dollyDelta.set(0,Math.pow(this._dollyEnd.y/this._dollyStart.y,this.zoomSpeed)),this._dollyOut(this._dollyDelta.y),this._dollyStart.copy(this._dollyEnd);let a=(e.pageX+t.x)*.5,o=(e.pageY+t.y)*.5;this._updateZoomParameters(a,o)}_handleTouchMoveDollyPan(e){this.enableZoom&&this._handleTouchMoveDolly(e),this.enablePan&&this._handleTouchMovePan(e)}_handleTouchMoveDollyRotate(e){this.enableZoom&&this._handleTouchMoveDolly(e),this.enableRotate&&this._handleTouchMoveRotate(e)}_addPointer(e){this._pointers.push(e.pointerId)}_removePointer(e){delete this._pointerPositions[e.pointerId];for(let t=0;t=.999&&typeof this.getUnsafe("tp")=="undefined"&&console.warn('You must specify "tp" (time of perihelion) for highly eccentric orbits'),this.locked=i}set(e,t,i="rad"){if(this.locked)throw new Error("Attempted to modify locked (immutable) Ephem object");return pE.has(e)?(i==="deg"?this.attrs[e]=t*Math.PI/180:this.attrs[e]=t,!0):(console.warn(`Invalid ephem attr: ${e}`),!1)}getUnsafe(e,t="rad"){if(t==="deg"){let i=this.attrs[e];return typeof i=="undefined"?void 0:i*180/Math.PI}return this.attrs[e]}get(e,t="rad"){let i=this.getUnsafe(e,t);if(typeof i=="undefined")throw console.info(this.attrs),new Error(`Attempted to get ephemeris value '${e}' but it was undefined`);return i}fill(){let e=this.getUnsafe("e");if(!Et(e))throw console.info(this.attrs),new Error('Must define eccentricity "e" in an orbit');let t=this.getUnsafe("a"),i=this.getUnsafe("q");if(Et(t)){if(!Et(i)){if(e>=1)throw new Error('Must provide perihelion distance "q" if eccentricity "e" is greater than 1');i=t*(1-e),this.set("q",i)}}else if(Et(i))t=i/(1-e),this.set("a",t);else throw new Error('Must define semimajor axis "a" or perihelion distance "q" in an orbit');let n=this.getUnsafe("w"),s=this.getUnsafe("wBar"),a=this.getUnsafe("om");Et(n)&&Et(a)&&!Et(s)?(s=n+a,this.set("wBar",s)):Et(s)&&Et(a)&&!Et(n)?(n=s-a,this.set("w",n)):Et(n)&&Et(s)&&!Et(a)&&(a=s-n,this.set("om",a));let o=t*dE,l=this.getUnsafe("n"),c=this.getUnsafe("GM"),h=this.getUnsafe("period");if(!Et(h)&&Et(t)){if(!Et(c))throw new Error("Expected ephemeris attribute GM to be set");h=2*Math.PI*Math.sqrt(o*o*o/c)/fE,this.set("period",h)}if(e<1)if(Et(h)&&!Et(l)){let f=2*Math.PI/h;this.set("n",f)}else Et(l)&&!Et(h)&&this.set("period",2*Math.PI/l);let u=this.getUnsafe("ma"),d=this.getUnsafe("L");!Et(d)&&Et(a)&&Et(n)&&Et(u)&&(d=a+n+u,this.set("L",d)),Et(u)||this.set("ma",d-s)}lock(){this.locked=!0}copy(){return new jt({GM:this.getUnsafe("GM"),epoch:this.getUnsafe("epoch"),a:this.getUnsafe("a"),e:this.getUnsafe("e"),i:this.getUnsafe("i"),om:this.getUnsafe("om"),ma:this.getUnsafe("ma"),w:this.getUnsafe("w"),period:this.getUnsafe("period")},"rad")}};function gh(r,e,t,i,n,s){if(r===void 0)throw"data object is undefined";if(!Array.isArray(r))throw"data object must be an array";if(t>=i)throw"first row must be greater than last row";if(t<0)throw"first row must be greater than zero";if(i>r.length-1)throw"last row must be ";if(!Array.isArray(r[t]))throw"data in rows must be array data";let a=r[0].length-1;if(n<0||n>a)throw`xIndex has to be between 0 and ${a}: ${n}`;if(s<0||s>a)throw`yIndex has to be between 0 and ${a}: ${s}`;let o=0;for(let l=t;l<=i;l++){let c=1;for(let h=t;h<=i;h++)h!==l&&(c*=(e-r[h][n])/(r[l][n]-r[h][n]));o+=c*r[l][s]}return o}var gE=(r,e)=>r-e,vE="{{assets}}/sprites/fuzzyparticle.png";function nl(r,e){return r.replace("{{assets}}",`${e}/assets`).replace("{{data}}",`${e}/data`)}function $r(r,e){return nl(r||vE,e)}function Gg(r,e){let t=$r(r,e),i=new wi().load(t);return i.colorSpace=Oe,i}function Vg(){return window.location.href.indexOf("localhost")>-1?"/src/":"https://typpo.github.io/spacekit/src"}function Wg(r,e,t=gE){if(r===void 0)throw"data object is undefined";if(!Array.isArray(r))throw"data object must be an array";if(e===void 0)throw"value object must be defined";if(t===void 0)throw"comparer must be defined";let i=0,n=r.length;for(;i<=n;){let s=Math.floor((i+n)/2);if(s===r.length)return s;let a=t(r[s],e);if(a<0)i=s+1;else if(a>0)n=s-1;else return s}return~i}var Xg=20,xE=(r,e)=>r[0]-e,Ef={distance:"au",time:"day"},_E="cartesianposvel",yE="lagrange",AE=5,SE=new Set(["km","au"]),EE=new Set(["cartesianposvel"]),ME=new Set(["lagrange"]),bE=new Set(["day","sec"]),Ci=class{constructor(e){if(this.units=JSON.parse(JSON.stringify(Ef)),this.ephemType=_E,this.interpolationType=yE,this.interpolationOrder=AE,!e)throw new Error("EphemerisTable must be initialized with an ephemeris data structure");if(!e.data||!Array.isArray(e.data)||e.data.length===0||!Array.isArray(e.data[0]))throw new Error("EphemerisTable must be initialized with a structure containing an array of arrays of ephemeris data");if(this.data=JSON.parse(JSON.stringify(e.data)),e.distanceUnits){if(!SE.has(e.distanceUnits))throw new Error(`Unknown distance units: ${e.distanceUnits}`);this.units.distance=e.distanceUnits}if(e.timeUnits){if(!bE.has(e.timeUnits))throw new Error(`Unknown time units: ${e.timeUnits}`);this.units.time=e.timeUnits}if(e.ephemerisType){if(!EE.has(e.ephemerisType))throw new Error(`Unknown ephemeris type: ${e.ephemerisType}`);this.ephemType=e.ephemerisType}if(e.interpolationType){if(!ME.has(e.interpolationType))throw new Error(`Unknown interpolation type: ${e.interpolationType}`);this.interpolationType=e.interpolationType}if(e.interpolationOrder!==void 0){if(e.interpolationOrder<1||e.interpolationOrder>Xg)throw new Error(`Interpolation order must be >0 and <${Xg}: ${e.interpolationOrder}`);this.interpolationOrder=e.interpolationOrder}if(this.units.distance!==Ef.distance||this.units.time!==Ef.time){let t=this.calcDistanceMultiplier(this.units.distance),i=this.calcTimeMultiplier(this.units.time);this.data.forEach(n=>{n[1]*=t,n[2]*=t,n[3]*=t,n[4]*=t*i,n[5]*=t*i,n[6]*=t*i})}}getStartJd(){return this.data[0][0]}getStopJd(){return this.data[this.data.length-1][0]}getPositionAtTime(e){if(e<=this.data[0][0])return[this.data[0][1],this.data[0][2],this.data[0][3]];let t=this.data[this.data.length-1];if(e>=t[0])return[t[1],t[2],t[3]];let{startIndex:i,stopIndex:n}=this.calcBoundingIndices(e),s=gh(this.data,e,i,n,0,1),a=gh(this.data,e,i,n,0,2),o=gh(this.data,e,i,n,0,3);return[s,a,o]}getPositions(e,t,i){if(e>t)throw new Error("Requested start needs to be after requested stop");if(i<=0)throw new Error("Step days needs to be greater than zero");let n=[];for(let s=e;s<=t;s+=i)n.push(this.getPositionAtTime(s));return n}calcDistanceMultiplier(e){switch(e){case"au":return 1;case"km":return yt.kmToAu(1);default:throw new Error("Unknown distance unit type: "+e)}}calcTimeMultiplier(e){switch(e){case"day":return 1;case"sec":return 1/86400;default:throw new Error("Unknown time unit type: "+e)}}calcBoundingIndices(e){let t=Math.floor(this.interpolationOrder/2),i=Wg(this.data,e,xE);i<0&&(i=~i-1);let n=i-t;n<0&&(n=0);let s=n+Number(this.interpolationOrder);return s>=this.data.length&&(s=this.data.length-1,this.data.length>t&&(n=s-t)),{startIndex:n,stopIndex:s}}};var Vi={MERCURY:new jt({epoch:24584265e-1,a:.3870968969437096,e:.2056515875393916,i:7.003891682749818,om:48.30774804443502,w:29.17940253442659,ma:256.190975209273,period:87.969257},"deg",!0),VENUS:new jt({epoch:24584265e-1,a:.7233458663591554,e:.006762510759617694,i:3.394567787211735,om:76.62534150657346,w:54.74567447560867,ma:275.6687596099721,period:224.70079922},"deg",!0),EARTH:new jt({epoch:2451545,a:1.00000261,e:.01671123,i:-1531e-8,om:0,wBar:102.93768193,L:100.46457166,period:365.256363004},"deg",!0),MOON:new jt({GM:Jr.EARTH_MOON,epoch:24586215e-1,a:.002582517063772124,e:.04582543645168888,i:5.102060246928811,om:108.5916732144811,w:61.80561793729225,ma:50.53270083636792,period:27.321582},"deg",!0),MARS:new jt({epoch:24584265e-1,a:1.52371401537107,e:.09336741335309606,i:1.848141099825311,om:49.50420572080223,w:286.6965847685386,ma:25.38237617924876,period:686.98},"deg",!0),JUPITER:new jt({epoch:24584265e-1,a:5.20180355911023,e:.0489912558249006,i:1.303560894624275,om:100.5203828847816,w:273.736301845404,ma:231.939544389401,period:4332.589},"deg",!0),SATURN:new jt({epoch:24584265e-1,a:9.577177295536776,e:.05101889921719987,i:2.482782449972317,om:113.6154964073247,w:339.4422648650336,ma:187.0970898012944,period:10755.698},"deg",!0),URANUS:new jt({epoch:24584265e-1,a:19.14496966635462,e:.04832662948112808,i:.7697511134483724,om:74.14239045667875,w:99.42704504702185,ma:220.2603033874267,period:30685.4},"deg",!0),NEPTUNE:new jt({epoch:24584265e-1,a:30.0962226342805,e:.00736257118719377,i:1.774569249829094,om:131.8695882492132,w:258.6226409499831,ma:315.2804988924479,period:60189},"deg",!0),PLUTO:new jt({epoch:24540005e-1,a:39.4450697257,e:.250248713478,i:17.0890009196,om:110.376957955,w:112.597141677,ma:25.2471897122},"deg",!0)},vh=class{constructor(e){this._simulation=e,this._context=e.getContext(),this._satellitesByPlanet={};let t=nl("{{data}}/processed/natural-satellites.json",this._context.options.basePath);this._readyPromise=new Promise((i,n)=>{fetch(t).then(s=>s.json()).then(s=>{s.forEach(a=>{let o=a.Planet.toLowerCase();this._satellitesByPlanet[o]||(this._satellitesByPlanet[o]=[]);let l;switch(a["Element Type"]){case"Ecliptic":break;case"Equatorial":l="equatorial";break;case"Laplace":l="equatorial";break;default:console.warn(`Ephemeris type not yet implemented: ${l}`);return}let c;switch(a.Planet){case"Earth":c=Jr.EARTH_MOON;break;case"Pluto":c=Jr.PLUTO_CHARON;break;default:c=Jr[a.Planet.toUpperCase()]}c||console.error(`Could not look up GM for ${a.Planet}`);let h=new jt({GM:c,epoch:Number(a["Epoch JD"]),a:yt.kmToAu(Number(a.a)),e:Number(a.e),i:Number(a.i),w:Number(a.w),om:Number(a.node),ma:Number(a.M)},"deg",!0);this._satellitesByPlanet[o].push({name:a["Sat."],elementType:a["Element Type"],tags:new Set(a.tags.split(",")),ephem:h})}),console.info("Loaded",s.length,"natural satellites"),i(this)}).catch(s=>{n(s)})})}getSatellitesForPlanet(e){return this._satellitesByPlanet[e.toLowerCase()]}load(){return this._readyPromise}};var Qg=Yf(Mf());var It;(function(s){s[s.UNKNOWN=0]="UNKNOWN",s[s.PARABOLIC=1]="PARABOLIC",s[s.HYPERBOLIC=2]="HYPERBOLIC",s[s.ELLIPTICAL=3]="ELLIPTICAL",s[s.TABLE=4]="TABLE"})(It||(It={}));var{sin:es,cos:Fn,sqrt:sr}=Math,Kg=10,DE=360,PE=1,Jg=!1,IE={leadDurationYears:Kg,trailDurationYears:Kg,numberSamplePoints:DE,eclipticLineSparsity:PE,drawHeliocentric:Jg};function xh(r){return Math.exp(Math.log(r)/3)}var Hn=class{constructor(e,t){var i;this.ephem=e,this.options=t||{},this.options.orbitPathSettings=Object.assign({},IE,(i=this.options.orbitPathSettings)!=null?i:{}),this.orbitPoints=void 0,this.eclipticDropLines=void 0,this.orbitShape=void 0,this.orbitStart=0,this.orbitStop=0,this.orbitType=Hn.getOrbitType(this.ephem)}isHeliocentric(){var e,t;return(t=(e=this.options.orbitPathSettings)==null?void 0:e.drawHeliocentric)!=null?t:Jg}getPositionAtTime(e,t=!1){switch(this.orbitType){case 1:return this.getPositionAtTimeNearParabolic(e,t);case 2:return this.getPositionAtTimeHyperbolic(e,t);case 3:return this.getPositionAtTimeElliptical(e,t);case 4:return this.getPositionAtTimeTable(e,t);default:throw new Error("No handler for this type of orbit")}}getPositionAtTimeParabolic(e,t=!1){let i=this.ephem;if(i instanceof Ci)throw new Error("Attempted to compute coordinates from ephemeris table");let n=.01720209895,s=i.get("q"),o=(e-i.get("tp"))*(n/sr(2))/sr(s*s*s),l=1.5*o,c=sr(1+l*l),h=xh(c+l)-xh(c-l),u=2*Math.atan(h),d=s*(1+h*h);return this.vectorToHeliocentric(u,d)}getPositionAtTimeNearParabolic(e,t=!1){let i=this.ephem;if(i instanceof Ci)throw new Error("Attempted to compute coordinates from ephemeris table");let n=.01720209895,s=i.get("e"),a=i.get("q"),o=e-i.get("tp"),l=.75*o*n*sr((1+s)/(a*a*a)),c=sr(1+l*l),h=xh(c+l)-xh(c-l),u=(1-s)/(1+s),d=2/3+2/5*h*h,f=7/5+33/35*h*h+37/175*rn(h,4),m=h*h*(432/175+956/1125*h*h+84/1575*rn(h,4)),v=h*h/(1+h*h),g=u*v*v,p=h*(1+u*v*(d+f*g+m*g*g)),y=2*Math.atan(p),x=a*(1+p*p)/(1+p*p*u);return this.vectorToHeliocentric(y,x)}getPositionAtTimeHyperbolic(e,t=!1){let i=this.ephem;if(i instanceof Ci)throw new Error("Attempted to compute coordinates from ephemeris table");let n=i.get("e"),s=i.get("a"),a=i.get("ma"),o=i.get("n","rad"),l=i.get("epoch"),c=e-l,h=a+o*c,u=h;for(let v=0;v<100;v++){let g=(h+n*(u*Math.cosh(u)-Math.sinh(u)))/(n*Math.cosh(u)-1),p=Math.abs(g-u);if(u=g,p<1e-7)break}let d=u,f=2*Math.atan(sr((n+1)/(n-1)))*Math.tanh(d/2),m=s*(1-n*n)/(1+n*Fn(f));return this.vectorToHeliocentric(f,m)}getPositionAtTimeElliptical(e,t=!1){let i=this.ephem;if(i instanceof Ci)throw new Error("Attempted to compute coordinates from ephemeris table");let n=i.get("e"),s=i.get("ma","rad"),a=i.get("n","rad"),o=i.get("epoch"),l=e-o,c=s+a*l;t&&(console.info("period=",i.get("period")),console.info("n=",a),console.info("ma=",s),console.info("d=",l),console.info("M=",c));let h=c;for(let v=0;v<100;v++){let g=c+n*es(h),p=Math.abs(g-h);if(h=g,p<1e-7)break}let u=h,d=2*Math.atan(sr((1+n)/(1-n))*Math.tan(u/2)),m=i.get("a")*(1-n*n)/(1+n*Fn(d));return this.vectorToHeliocentric(d,m)}getPositionAtTimeTable(e,t=!1){if(this.ephem instanceof Ci){let i=this.ephem.getPositionAtTime(e);return yf(i[0],i[1],i[2])}throw new Error("Attempted to read ephemeris table of non-table data")}vectorToHeliocentric(e,t){let i=this.ephem;if(i instanceof Ci)throw new Error("Attempted to compute coordinates from ephemeris table");let n=i.get("i","rad"),s=i.get("om","rad"),a=i.get("wBar","rad"),o=t*(Fn(s)*Fn(e+a-s)-es(s)*es(e+a-s)*Fn(n)),l=t*(es(s)*Fn(e+a-s)+Fn(s)*es(e+a-s)*Fn(n)),c=t*(es(e+a-s)*es(n));return yf(o,l,c)}needsUpdateForTime(e){return this.orbitType===4?ethis.orbitStop:!1}getOrbitShape(e,t=!1,i){var s,a,o,l,c;if(t&&(this.orbitShape&&(this.orbitShape.geometry.dispose(),this.orbitShape.material.dispose()),this.orbitShape=void 0,this.orbitPoints=void 0,this.eclipticDropLines&&(this.eclipticDropLines.geometry.dispose(),this.eclipticDropLines.material.dispose()),this.eclipticDropLines=void 0),this.orbitShape)return this.orbitShape;if(this.orbitType===4&&this.ephem instanceof Ci)this.orbitStart=this.ephem.getStartJd(),this.orbitStop=this.ephem.getStopJd();else if(this.orbitType!==4&&!(this.ephem instanceof Ci)){let h=(s=e!=null?e:this.ephem.getUnsafe("tp"))!=null?s:Qg.default.toJulianDay(new Date);this.orbitStart=h-this.options.orbitPathSettings.trailDurationYears*365.25,this.orbitStop=h+this.options.orbitPathSettings.leadDurationYears*365.25}else throw new Error("if this.orbitType == OrbitType.TABLE, then this.ephem needs to be an instance of EphemerisTable and vice versa");let n=(this.orbitStop-this.orbitStart)/this.options.orbitPathSettings.numberSamplePoints;switch(this.orbitType){case 3:return((a=this.options.orbitPathSettings)==null?void 0:a.drawHeliocentric)&&i?this.getEllipseAround(this.orbitStart,this.orbitStop,n,i):this.getEllipse();case 2:return this.getLine(this.getPositionAtTimeHyperbolic.bind(this),this.orbitStart,this.orbitStop,n,((o=this.options.orbitPathSettings)==null?void 0:o.drawHeliocentric)?i:void 0);case 1:return this.getLine(this.getPositionAtTimeNearParabolic.bind(this),this.orbitStart,this.orbitStop,n,((l=this.options.orbitPathSettings)==null?void 0:l.drawHeliocentric)?i:void 0);case 4:return this.getTableOrbit(this.orbitStart,this.orbitStop,n,((c=this.options.orbitPathSettings)==null?void 0:c.drawHeliocentric)?i:void 0);default:throw new Error("Unknown orbit shape")}}getLine(e,t,i,n,s){let a=[];for(let o=t;o<=i;o+=n){let l=e(o);if(s){let c=s.getPosition(o);l[0]+=c[0],l[1]+=c[1],l[2]+=c[2]}a.push(new b(l[0],l[1],l[2]))}return this.generateAndCacheOrbitShape(a)}getTableOrbit(e,t,i,n){if(this.ephem instanceof jt)throw new Error("Attempted to compute table orbit on non-table ephemeris");let a=this.ephem.getPositions(e,t,i).map(o=>en(o)).map(o=>new b(o[0],o[1],o[2]));return n&&a.forEach((o,l)=>{let c=n.getPosition(e+l*i);o.x+=c[0],o.y+=c[1],o.z+=c[2]}),this.generateAndCacheOrbitShape(a)}getEllipse(){let e=this.getEllipsePoints();return this.generateAndCacheOrbitShape(e)}getEllipseAround(e,t,i,n){let s=[];for(let a=e;a<=t;a+=i){let o=n.getPosition(a),l=this.getPositionAtTimeElliptical(a,!1);s.push(new b(o[0]+l[0],o[1]+l[1],o[2]+l[2]))}return this.generateAndCacheOrbitShape(s)}getEllipsePoints(){let e=this.ephem;if(e instanceof Ci)throw new Error("Attempted to compute coordinates from ephemeris table");let t=e.get("a"),i=e.get("e"),n=Math.PI*2,s=n/this.options.orbitPathSettings.numberSamplePoints,a=[];for(let o=0;o{var a,o;s===e.length-1&&this.orbitType===3||s%((o=(a=this.options.orbitPathSettings)==null?void 0:a.eclipticLineSparsity)!=null?o:1)!=0||(t.push(n),t.push(new b(n.x,n.y,0)))});let i=new we().setFromPoints(t);return this.eclipticDropLines=new Zt(i,new _t({color:this.options.eclipticLineColor||3355443,blending:sn})),this.eclipticDropLines}getHexColor(){return this.getOrbitShape().material.color.getHex()}setHexColor(e){this.getOrbitShape().material.color=new re(e)}getVisibility(){return this.getOrbitShape().visible}setVisibility(e){this.getOrbitShape().visible=e,this.getLinesToEcliptic().visible=e}removalCleanup(){this.orbitShape&&(this.orbitShape.geometry.dispose(),this.orbitShape.material.dispose()),this.eclipticDropLines&&(this.eclipticDropLines.geometry.dispose(),this.eclipticDropLines.material.dispose())}static getOrbitType(e){if(e instanceof Ci)return 4;let t=e.get("e");return t>=.999&&t<1.2?1:t>1.2?2:3}};var Th=Yf(Mf());var rl=function(){var 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this._delta*bf}get fixedDelta(){return this._fixedDelta*bf}set fixedDelta(r){this._fixedDelta=r*UE}get elapsed(){return this._elapsed*bf}update(r){this.useFixedDelta?this._delta=this.fixedDelta:(this.previousTime=this.currentTime,this.currentTime=(r!==void 0?r:performance.now())-this.startTime,this._delta=this.currentTime-this.previousTime),this._delta*=this.timescale,this._elapsed+=this._delta}reset(){this._delta=0,this._elapsed=0,this.currentTime=performance.now()-this.startTime}getDelta(){return this.delta}getElapsed(){return this.elapsed}handleEvent(r){document.hidden||(this.currentTime=performance.now()-this.startTime)}dispose(){this.autoReset=!1}},BE=(()=>{let r=new Float32Array([-1,-1,0,3,-1,0,-1,3,0]),e=new Float32Array([0,0,2,0,0,2]),t=new we;return t.setAttribute("position",new Ce(r,3)),t.setAttribute("uv",new Ce(e,2)),t})(),nn=class Tf{static get fullscreenGeometry(){return BE}constructor(e="Pass",t=new Pn,i=new Kn){this.name=e,this.renderer=null,this.scene=t,this.camera=i,this.screen=null,this.rtt=!0,this.needsSwap=!0,this.needsDepthTexture=!1,this.enabled=!0}get renderToScreen(){return!this.rtt}set renderToScreen(e){if(this.rtt===e){let t=this.fullscreenMaterial;t!==null&&(t.needsUpdate=!0),this.rtt=!e}}set mainScene(e){}set mainCamera(e){}setRenderer(e){this.renderer=e}isEnabled(){return this.enabled}setEnabled(e){this.enabled=e}get fullscreenMaterial(){return this.screen!==null?this.screen.material:null}set fullscreenMaterial(e){let t=this.screen;t!==null?t.material=e:(t=new tt(Tf.fullscreenGeometry,e),t.frustumCulled=!1,this.scene===null&&(this.scene=new Pn),this.scene.add(t),this.screen=t)}getFullscreenMaterial(){return this.fullscreenMaterial}setFullscreenMaterial(e){this.fullscreenMaterial=e}getDepthTexture(){return null}setDepthTexture(e,t=Bi){}render(e,t,i,n,s){throw new Error("Render method not implemented!")}setSize(e,t){}initialize(e,t,i){}dispose(){for(let e of Object.keys(this)){let t=this[e];(t instanceof mt||t instanceof St||t instanceof pt||t instanceof Tf)&&this[e].dispose()}this.fullscreenMaterial!==null&&this.fullscreenMaterial.dispose()}},OE=class extends nn{constructor(){super("ClearMaskPass",null,null);this.needsSwap=!1}render(r,e,t,i,n){let s=r.state.buffers.stencil;s.setLocked(!1),s.setTest(!1)}},NE=`#include +#include +#ifdef FRAMEBUFFER_PRECISION_HIGH +uniform mediump sampler2D inputBuffer; +#else +uniform lowp sampler2D inputBuffer; +#endif +uniform float opacity;varying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);gl_FragColor=opacity*texel; +#include +#include +}`,ev="varying vec2 vUv;void main(){vUv=position.xy*0.5+0.5;gl_Position=vec4(position.xy,1.0,1.0);}",tv=class extends Ke{constructor(){super({name:"CopyMaterial",uniforms:{inputBuffer:new Ze(null),opacity:new Ze(1)},blending:Dt,toneMapped:!1,depthWrite:!1,depthTest:!1,fragmentShader:NE,vertexShader:ev})}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setInputBuffer(r){this.uniforms.inputBuffer.value=r}getOpacity(r){return this.uniforms.opacity.value}setOpacity(r){this.uniforms.opacity.value=r}},FE=class extends nn{constructor(r,e=!0){super("CopyPass");this.fullscreenMaterial=new tv,this.needsSwap=!1,this.renderTarget=r,r===void 0&&(this.renderTarget=new mt(1,1,{minFilter:xt,magFilter:xt,stencilBuffer:!1,depthBuffer:!1}),this.renderTarget.texture.name="CopyPass.Target"),this.autoResize=e}get resize(){return this.autoResize}set resize(r){this.autoResize=r}get texture(){return this.renderTarget.texture}getTexture(){return this.renderTarget.texture}setAutoResizeEnabled(r){this.autoResize=r}render(r,e,t,i,n){this.fullscreenMaterial.inputBuffer=e.texture,r.setRenderTarget(this.renderToScreen?null:this.renderTarget),r.render(this.scene,this.camera)}setSize(r,e){this.autoResize&&this.renderTarget.setSize(r,e)}initialize(r,e,t){t!==void 0&&(this.renderTarget.texture.type=t,t!==bt?this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH="1":r!==null&&r.outputColorSpace===Oe&&(this.renderTarget.texture.colorSpace=Oe))}},iv=new re,nv=class extends nn{constructor(r=!0,e=!0,t=!1){super("ClearPass",null,null);this.needsSwap=!1,this.color=r,this.depth=e,this.stencil=t,this.overrideClearColor=null,this.overrideClearAlpha=-1}setClearFlags(r,e,t){this.color=r,this.depth=e,this.stencil=t}getOverrideClearColor(){return this.overrideClearColor}setOverrideClearColor(r){this.overrideClearColor=r}getOverrideClearAlpha(){return this.overrideClearAlpha}setOverrideClearAlpha(r){this.overrideClearAlpha=r}render(r,e,t,i,n){let s=this.overrideClearColor,a=this.overrideClearAlpha,o=r.getClearAlpha(),l=s!==null,c=a>=0;l?(r.getClearColor(iv),r.setClearColor(s,c?a:o)):c&&r.setClearAlpha(a),r.setRenderTarget(this.renderToScreen?null:e),r.clear(this.color,this.depth,this.stencil),l?r.setClearColor(iv,o):c&&r.setClearAlpha(o)}},HE=class extends nn{constructor(r,e){super("MaskPass",r,e);this.needsSwap=!1,this.clearPass=new nv(!1,!1,!0),this.inverse=!1}set mainScene(r){this.scene=r}set mainCamera(r){this.camera=r}get inverted(){return this.inverse}set inverted(r){this.inverse=r}get clear(){return this.clearPass.enabled}set clear(r){this.clearPass.enabled=r}getClearPass(){return this.clearPass}isInverted(){return this.inverted}setInverted(r){this.inverted=r}render(r,e,t,i,n){let s=r.getContext(),a=r.state.buffers,o=this.scene,l=this.camera,c=this.clearPass,h=this.inverted?0:1,u=1-h;a.color.setMask(!1),a.depth.setMask(!1),a.color.setLocked(!0),a.depth.setLocked(!0),a.stencil.setTest(!0),a.stencil.setOp(s.REPLACE,s.REPLACE,s.REPLACE),a.stencil.setFunc(s.ALWAYS,h,4294967295),a.stencil.setClear(u),a.stencil.setLocked(!0),this.clearPass.enabled&&(this.renderToScreen?c.render(r,null):(c.render(r,e),c.render(r,t))),this.renderToScreen?(r.setRenderTarget(null),r.render(o,l)):(r.setRenderTarget(e),r.render(o,l),r.setRenderTarget(t),r.render(o,l)),a.color.setLocked(!1),a.depth.setLocked(!1),a.stencil.setLocked(!1),a.stencil.setFunc(s.EQUAL,1,4294967295),a.stencil.setOp(s.KEEP,s.KEEP,s.KEEP),a.stencil.setLocked(!0)}},rv=class{constructor(r=null,{depthBuffer:e=!0,stencilBuffer:t=!1,multisampling:i=0,frameBufferType:n}={}){this.renderer=null,this.inputBuffer=this.createBuffer(e,t,n,i),this.outputBuffer=this.inputBuffer.clone(),this.copyPass=new FE,this.depthTexture=null,this.passes=[],this.timer=new LE,this.autoRenderToScreen=!0,this.setRenderer(r)}get multisampling(){return this.inputBuffer.samples||0}set multisampling(r){let e=this.inputBuffer,t=this.multisampling;t>0&&r>0?(this.inputBuffer.samples=r,this.outputBuffer.samples=r,this.inputBuffer.dispose(),this.outputBuffer.dispose()):t!==r&&(this.inputBuffer.dispose(),this.outputBuffer.dispose(),this.inputBuffer=this.createBuffer(e.depthBuffer,e.stencilBuffer,e.texture.type,r),this.inputBuffer.depthTexture=this.depthTexture,this.outputBuffer=this.inputBuffer.clone())}getTimer(){return this.timer}getRenderer(){return this.renderer}setRenderer(r){if(this.renderer=r,r!==null){let e=r.getSize(new z),t=r.getContext().getContextAttributes().alpha,i=this.inputBuffer.texture.type;i===bt&&r.outputColorSpace===Oe&&(this.inputBuffer.texture.colorSpace=Oe,this.outputBuffer.texture.colorSpace=Oe,this.inputBuffer.dispose(),this.outputBuffer.dispose()),r.autoClear=!1,this.setSize(e.width,e.height);for(let n of this.passes)n.initialize(r,t,i)}}replaceRenderer(r,e=!0){let t=this.renderer,i=t.domElement.parentNode;return this.setRenderer(r),e&&i!==null&&(i.removeChild(t.domElement),i.appendChild(r.domElement)),t}createDepthTexture(){let r=this.depthTexture=new Cr;return this.inputBuffer.depthTexture=r,this.inputBuffer.dispose(),this.inputBuffer.stencilBuffer?(r.format=cn,r.type=ln):r.type=Li,r}deleteDepthTexture(){if(this.depthTexture!==null){this.depthTexture.dispose(),this.depthTexture=null,this.inputBuffer.depthTexture=null,this.inputBuffer.dispose();for(let r of this.passes)r.setDepthTexture(null)}}createBuffer(r,e,t,i){let n=this.renderer,s=n===null?new z:n.getDrawingBufferSize(new z),a={minFilter:xt,magFilter:xt,stencilBuffer:e,depthBuffer:r,type:t},o=new mt(s.width,s.height,a);return i>0&&(o.ignoreDepthForMultisampleCopy=!1,o.samples=i),t===bt&&n!==null&&n.outputColorSpace===Oe&&(o.texture.colorSpace=Oe),o.texture.name="EffectComposer.Buffer",o.texture.generateMipmaps=!1,o}setMainScene(r){for(let e of this.passes)e.mainScene=r}setMainCamera(r){for(let e of this.passes)e.mainCamera=r}addPass(r,e){let t=this.passes,i=this.renderer,n=i.getDrawingBufferSize(new z),s=i.getContext().getContextAttributes().alpha,a=this.inputBuffer.texture.type;if(r.setRenderer(i),r.setSize(n.width,n.height),r.initialize(i,s,a),this.autoRenderToScreen&&(t.length>0&&(t[t.length-1].renderToScreen=!1),r.renderToScreen&&(this.autoRenderToScreen=!1)),e!==void 0?t.splice(e,0,r):t.push(r),this.autoRenderToScreen&&(t[t.length-1].renderToScreen=!0),r.needsDepthTexture||this.depthTexture!==null)if(this.depthTexture===null){let o=this.createDepthTexture();for(r of t)r.setDepthTexture(o)}else r.setDepthTexture(this.depthTexture)}removePass(r){let e=this.passes,t=e.indexOf(r);if(t!==-1&&e.splice(t,1).length>0){if(this.depthTexture!==null){let s=(o,l)=>o||l.needsDepthTexture;e.reduce(s,!1)||(r.getDepthTexture()===this.depthTexture&&r.setDepthTexture(null),this.deleteDepthTexture())}this.autoRenderToScreen&&t===e.length&&(r.renderToScreen=!1,e.length>0&&(e[e.length-1].renderToScreen=!0))}}removeAllPasses(){let r=this.passes;this.deleteDepthTexture(),r.length>0&&(this.autoRenderToScreen&&(r[r.length-1].renderToScreen=!1),this.passes=[])}render(r){let e=this.renderer,t=this.copyPass,i=this.inputBuffer,n=this.outputBuffer,s=!1,a,o,l;r===void 0&&(this.timer.update(),r=this.timer.getDelta());for(let c of this.passes)c.enabled&&(c.render(e,i,n,r,s),c.needsSwap&&(s&&(t.renderToScreen=c.renderToScreen,a=e.getContext(),o=e.state.buffers.stencil,o.setFunc(a.NOTEQUAL,1,4294967295),t.render(e,i,n,r,s),o.setFunc(a.EQUAL,1,4294967295)),l=i,i=n,n=l),c instanceof HE?s=!0:c instanceof OE&&(s=!1))}setSize(r,e,t){let i=this.renderer,n=i.getSize(new z);(r===void 0||e===void 0)&&(r=n.width,e=n.height),(n.width!==r||n.height!==e)&&i.setSize(r,e,t);let s=i.getDrawingBufferSize(new z);this.inputBuffer.setSize(s.width,s.height),this.outputBuffer.setSize(s.width,s.height);for(let a of this.passes)a.setSize(s.width,s.height)}reset(){this.dispose(),this.autoRenderToScreen=!0}dispose(){for(let r of this.passes)r.dispose();this.passes=[],this.inputBuffer!==null&&this.inputBuffer.dispose(),this.outputBuffer!==null&&this.outputBuffer.dispose(),this.deleteDepthTexture(),this.copyPass.dispose(),this.timer.dispose(),nn.fullscreenGeometry.dispose()}},ts={NONE:0,DEPTH:1,CONVOLUTION:2},ot={FRAGMENT_HEAD:"FRAGMENT_HEAD",FRAGMENT_MAIN_UV:"FRAGMENT_MAIN_UV",FRAGMENT_MAIN_IMAGE:"FRAGMENT_MAIN_IMAGE",VERTEX_HEAD:"VERTEX_HEAD",VERTEX_MAIN_SUPPORT:"VERTEX_MAIN_SUPPORT"},zE=class{constructor(){this.shaderParts=new Map([[ot.FRAGMENT_HEAD,null],[ot.FRAGMENT_MAIN_UV,null],[ot.FRAGMENT_MAIN_IMAGE,null],[ot.VERTEX_HEAD,null],[ot.VERTEX_MAIN_SUPPORT,null]]),this.defines=new Map,this.uniforms=new Map,this.blendModes=new Map,this.extensions=new Set,this.attributes=ts.NONE,this.varyings=new Set,this.uvTransformation=!1,this.readDepth=!1,this.colorSpace=Oi}};var wf=!1,sv=class{constructor(r=null){this.originalMaterials=new Map,this.material=null,this.materials=null,this.materialsBackSide=null,this.materialsDoubleSide=null,this.materialsFlatShaded=null,this.materialsFlatShadedBackSide=null,this.materialsFlatShadedDoubleSide=null,this.setMaterial(r),this.meshCount=0,this.replaceMaterial=e=>{if(e.isMesh){let t;if(e.material.flatShading)switch(e.material.side){case Nt:t=this.materialsFlatShadedDoubleSide;break;case At:t=this.materialsFlatShadedBackSide;break;default:t=this.materialsFlatShaded;break}else switch(e.material.side){case Nt:t=this.materialsDoubleSide;break;case At:t=this.materialsBackSide;break;default:t=this.materials;break}this.originalMaterials.set(e,e.material),e.isSkinnedMesh?e.material=t[2]:e.isInstancedMesh?e.material=t[1]:e.material=t[0],++this.meshCount}}}cloneMaterial(r){if(!(r instanceof Ke))return r.clone();let e=r.uniforms,t=new Map;for(let n in e){let s=e[n].value;s.isRenderTargetTexture&&(e[n].value=null,t.set(n,s))}let i=r.clone();for(let n of t)e[n[0]].value=n[1],i.uniforms[n[0]].value=n[1];return i}setMaterial(r){if(this.disposeMaterials(),this.material=r,r!==null){let e=this.materials=[this.cloneMaterial(r),this.cloneMaterial(r),this.cloneMaterial(r)];for(let t of e)t.uniforms=Object.assign({},r.uniforms),t.side=Ui;e[2].skinning=!0,this.materialsBackSide=e.map(t=>{let i=this.cloneMaterial(t);return i.uniforms=Object.assign({},r.uniforms),i.side=At,i}),this.materialsDoubleSide=e.map(t=>{let i=this.cloneMaterial(t);return i.uniforms=Object.assign({},r.uniforms),i.side=Nt,i}),this.materialsFlatShaded=e.map(t=>{let i=this.cloneMaterial(t);return i.uniforms=Object.assign({},r.uniforms),i.flatShading=!0,i}),this.materialsFlatShadedBackSide=e.map(t=>{let i=this.cloneMaterial(t);return i.uniforms=Object.assign({},r.uniforms),i.flatShading=!0,i.side=At,i}),this.materialsFlatShadedDoubleSide=e.map(t=>{let i=this.cloneMaterial(t);return i.uniforms=Object.assign({},r.uniforms),i.flatShading=!0,i.side=Nt,i})}}render(r,e,t){let i=r.shadowMap.enabled;if(r.shadowMap.enabled=!1,wf){let n=this.originalMaterials;this.meshCount=0,e.traverse(this.replaceMaterial),r.render(e,t);for(let s of n)s[0].material=s[1];this.meshCount!==n.size&&n.clear()}else{let n=e.overrideMaterial;e.overrideMaterial=this.material,r.render(e,t),e.overrideMaterial=n}r.shadowMap.enabled=i}disposeMaterials(){if(this.material!==null){let r=this.materials.concat(this.materialsBackSide).concat(this.materialsDoubleSide).concat(this.materialsFlatShaded).concat(this.materialsFlatShadedBackSide).concat(this.materialsFlatShadedDoubleSide);for(let e of r)e.dispose()}}dispose(){this.originalMaterials.clear(),this.disposeMaterials()}static get workaroundEnabled(){return wf}static set workaroundEnabled(r){wf=r}};var ar=-1,vn=class extends Wt{constructor(r,e=ar,t=ar,i=1){super();this.resizable=r,this.baseSize=new z(1,1),this.preferredSize=new z(e,t),this.target=this.preferredSize,this.s=i,this.effectiveSize=new z,this.addEventListener("change",()=>this.updateEffectiveSize()),this.updateEffectiveSize()}updateEffectiveSize(){let r=this.baseSize,e=this.preferredSize,t=this.effectiveSize,i=this.scale;e.width!==ar?t.width=e.width:e.height!==ar?t.width=Math.round(e.height*(r.width/Math.max(r.height,1))):t.width=Math.round(r.width*i),e.height!==ar?t.height=e.height:e.width!==ar?t.height=Math.round(e.width/Math.max(r.width/Math.max(r.height,1),1)):t.height=Math.round(r.height*i)}get width(){return this.effectiveSize.width}set width(r){this.preferredWidth=r}get height(){return this.effectiveSize.height}set height(r){this.preferredHeight=r}getWidth(){return this.width}getHeight(){return this.height}get scale(){return this.s}set scale(r){this.s!==r&&(this.s=r,this.preferredSize.setScalar(ar),this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getScale(){return this.scale}setScale(r){this.scale=r}get baseWidth(){return this.baseSize.width}set baseWidth(r){this.baseSize.width!==r&&(this.baseSize.width=r,this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getBaseWidth(){return this.baseWidth}setBaseWidth(r){this.baseWidth=r}get baseHeight(){return this.baseSize.height}set baseHeight(r){this.baseSize.height!==r&&(this.baseSize.height=r,this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getBaseHeight(){return this.baseHeight}setBaseHeight(r){this.baseHeight=r}setBaseSize(r,e){(this.baseSize.width!==r||this.baseSize.height!==e)&&(this.baseSize.set(r,e),this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}get preferredWidth(){return this.preferredSize.width}set preferredWidth(r){this.preferredSize.width!==r&&(this.preferredSize.width=r,this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getPreferredWidth(){return this.preferredWidth}setPreferredWidth(r){this.preferredWidth=r}get preferredHeight(){return this.preferredSize.height}set preferredHeight(r){this.preferredSize.height!==r&&(this.preferredSize.height=r,this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getPreferredHeight(){return this.preferredHeight}setPreferredHeight(r){this.preferredHeight=r}setPreferredSize(r,e){(this.preferredSize.width!==r||this.preferredSize.height!==e)&&(this.preferredSize.set(r,e),this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}copy(r){this.s=r.scale,this.baseSize.set(r.baseWidth,r.baseHeight),this.preferredSize.set(r.preferredWidth,r.preferredHeight),this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height)}static get AUTO_SIZE(){return ar}};var $e={SKIP:9,SET:30,ADD:0,ALPHA:1,AVERAGE:2,COLOR:3,COLOR_BURN:4,COLOR_DODGE:5,DARKEN:6,DIFFERENCE:7,DIVIDE:8,DST:9,EXCLUSION:10,HARD_LIGHT:11,HARD_MIX:12,HUE:13,INVERT:14,INVERT_RGB:15,LIGHTEN:16,LINEAR_BURN:17,LINEAR_DODGE:18,LINEAR_LIGHT:19,LUMINOSITY:20,MULTIPLY:21,NEGATION:22,NORMAL:23,OVERLAY:24,PIN_LIGHT:25,REFLECT:26,SATURATION:27,SCREEN:28,SOFT_LIGHT:29,SRC:30,SUBTRACT:31,VIVID_LIGHT:32},kE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x+y,opacity);}",GE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y,min(y.a,opacity));}",VE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,(x+y)*0.5,opacity);}",WE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(yHSL.rg,xHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}",XE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(step(0.0,y)*(1.0-min(vec4(1.0),(1.0-x)/y)),vec4(1.0),step(1.0,x));return mix(x,z,opacity);}",YE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=step(0.0,x)*mix(min(vec4(1.0),x/max(1.0-y,1e-9)),vec4(1.0),step(1.0,y));return mix(x,z,opacity);}",jE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,min(x,y),opacity);}",qE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,abs(x-y),opacity);}",ZE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x/max(y,1e-12),opacity);}",QE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,(x+y-2.0*x*y),opacity);}",KE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 a=min(x,1.0),b=min(y,1.0);vec4 z=mix(2.0*a*b,1.0-2.0*(1.0-a)*(1.0-b),step(0.5,y));return mix(x,z,opacity);}",JE="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,step(1.0,x+y),opacity);}",$E="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(yHSL.r,xHSL.gb));return vec4(mix(x.rgb,z,opacity),y.a);}",eM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,1.0-y,opacity);}",tM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y*(1.0-x),opacity);}",iM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,max(x,y),opacity);}",nM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,clamp(y+x-1.0,0.0,1.0),opacity);}",rM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,min(x+y,1.0),opacity);}",sM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,clamp(2.0*y+x-1.0,0.0,1.0),opacity);}",aM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(xHSL.rg,yHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}",oM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x*y,opacity);}",lM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,1.0-abs(1.0-x-y),opacity);}",cM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y,opacity);}",hM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(2.0*y*x,1.0-2.0*(1.0-y)*(1.0-x),step(0.5,x));return mix(x,z,opacity);}",uM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 y2=2.0*y;vec4 z=mix(mix(y2,x,step(0.5*x,y)),max(vec4(0.0),y2-1.0),step(x,(y2-1.0)));return mix(x,z,opacity);}",dM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(min(x*x/max(1.0-y,1e-12),1.0),y,step(1.0,y));return mix(x,z,opacity);}",fM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(xHSL.r,yHSL.g,xHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}",pM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x+y-min(x*y,1.0),opacity);}",mM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 y2=2.0*y;vec4 w=step(0.5,y);vec4 z=mix(x-(1.0-y2)*x*(1.0-x),mix(x+(y2-1.0)*(sqrt(x)-x),x+(y2-1.0)*x*((16.0*x-12.0)*x+3.0),w*(1.0-step(0.25,x))),w);return mix(x,z,opacity);}",gM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return y;}",vM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,max(x+y-1.0,0.0),opacity);}",xM="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(max(1.0-min((1.0-x)/(2.0*y),1.0),0.0),min(x/(2.0*(1.0-y)),1.0),step(0.5,y));return mix(x,z,opacity);}",_M=new Map([[$e.ADD,kE],[$e.ALPHA,GE],[$e.AVERAGE,VE],[$e.COLOR,WE],[$e.COLOR_BURN,XE],[$e.COLOR_DODGE,YE],[$e.DARKEN,jE],[$e.DIFFERENCE,qE],[$e.DIVIDE,ZE],[$e.DST,null],[$e.EXCLUSION,QE],[$e.HARD_LIGHT,KE],[$e.HARD_MIX,JE],[$e.HUE,$E],[$e.INVERT,eM],[$e.INVERT_RGB,tM],[$e.LIGHTEN,iM],[$e.LINEAR_BURN,nM],[$e.LINEAR_DODGE,rM],[$e.LINEAR_LIGHT,sM],[$e.LUMINOSITY,aM],[$e.MULTIPLY,oM],[$e.NEGATION,lM],[$e.NORMAL,cM],[$e.OVERLAY,hM],[$e.PIN_LIGHT,uM],[$e.REFLECT,dM],[$e.SATURATION,fM],[$e.SCREEN,pM],[$e.SOFT_LIGHT,mM],[$e.SRC,gM],[$e.SUBTRACT,vM],[$e.VIVID_LIGHT,xM]]),yM=class extends Wt{constructor(r,e=1){super();this._blendFunction=r,this.opacity=new Ze(e)}getOpacity(){return this.opacity.value}setOpacity(r){this.opacity.value=r}get blendFunction(){return this._blendFunction}set blendFunction(r){this._blendFunction=r,this.dispatchEvent({type:"change"})}getBlendFunction(){return this.blendFunction}setBlendFunction(r){this.blendFunction=r}getShaderCode(){return _M.get(this.blendFunction)}},Cf={VERY_SMALL:0,SMALL:1,MEDIUM:2,LARGE:3,VERY_LARGE:4,HUGE:5},AM=`#ifdef FRAMEBUFFER_PRECISION_HIGH uniform mediump sampler2D inputBuffer; #else uniform lowp sampler2D inputBuffer; #endif varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec4 sum=texture2D(inputBuffer,vUv0);sum+=texture2D(inputBuffer,vUv1);sum+=texture2D(inputBuffer,vUv2);sum+=texture2D(inputBuffer,vUv3);gl_FragColor=sum*0.25; -#include -}`,zb="uniform vec4 texelSize;uniform float kernel;uniform float scale;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 uv=position.xy*0.5+0.5;vec2 dUv=(texelSize.xy*vec2(kernel)+texelSize.zw)*scale;vUv0=vec2(uv.x-dUv.x,uv.y+dUv.y);vUv1=vec2(uv.x+dUv.x,uv.y+dUv.y);vUv2=vec2(uv.x+dUv.x,uv.y-dUv.y);vUv3=vec2(uv.x-dUv.x,uv.y-dUv.y);gl_Position=vec4(position.xy,1.0,1.0);}",Gb=[new Float32Array([0,0]),new Float32Array([0,1,1]),new Float32Array([0,1,1,2]),new Float32Array([0,1,2,2,3]),new Float32Array([0,1,2,3,4,4,5]),new Float32Array([0,1,2,3,4,5,7,8,9,10])],kb=class extends Ye{constructor(r=new Ve){super({name:"KawaseBlurMaterial",uniforms:{inputBuffer:new De(null),texelSize:new De(new Ve),scale:new De(1),kernel:new De(0)},blending:xt,depthWrite:!1,depthTest:!1,fragmentShader:Hb,vertexShader:zb});this.toneMapped=!1,this.setTexelSize(r.x,r.y),this.kernelSize=vu.MEDIUM}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setInputBuffer(r){this.inputBuffer=r}get kernelSequence(){return Gb[this.kernelSize]}get scale(){return this.uniforms.scale.value}set scale(r){this.uniforms.scale.value=r}getScale(){return this.uniforms.scale.value}setScale(r){this.uniforms.scale.value=r}getKernel(){return null}get kernel(){return this.uniforms.kernel.value}set kernel(r){this.uniforms.kernel.value=r}setKernel(r){this.kernel=r}setTexelSize(r,e){this.uniforms.texelSize.value.set(r,e,r*.5,e*.5)}setSize(r,e){let t=1/r,n=1/e;this.uniforms.texelSize.value.set(t,n,t*.5,n*.5)}},Vb=`#include -#include +#include +}`,SM="uniform vec4 texelSize;uniform float kernel;uniform float scale;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 uv=position.xy*0.5+0.5;vec2 dUv=(texelSize.xy*vec2(kernel)+texelSize.zw)*scale;vUv0=vec2(uv.x-dUv.x,uv.y+dUv.y);vUv1=vec2(uv.x+dUv.x,uv.y+dUv.y);vUv2=vec2(uv.x+dUv.x,uv.y-dUv.y);vUv3=vec2(uv.x-dUv.x,uv.y-dUv.y);gl_Position=vec4(position.xy,1.0,1.0);}",EM=[new Float32Array([0,0]),new Float32Array([0,1,1]),new Float32Array([0,1,1,2]),new Float32Array([0,1,2,2,3]),new Float32Array([0,1,2,3,4,4,5]),new Float32Array([0,1,2,3,4,5,7,8,9,10])],MM=class extends Ke{constructor(r=new Qe){super({name:"KawaseBlurMaterial",uniforms:{inputBuffer:new Ze(null),texelSize:new Ze(new Qe),scale:new Ze(1),kernel:new Ze(0)},blending:Dt,toneMapped:!1,depthWrite:!1,depthTest:!1,fragmentShader:AM,vertexShader:SM});this.setTexelSize(r.x,r.y),this.kernelSize=Cf.MEDIUM}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setInputBuffer(r){this.inputBuffer=r}get kernelSequence(){return EM[this.kernelSize]}get scale(){return this.uniforms.scale.value}set scale(r){this.uniforms.scale.value=r}getScale(){return this.uniforms.scale.value}setScale(r){this.uniforms.scale.value=r}getKernel(){return null}get kernel(){return this.uniforms.kernel.value}set kernel(r){this.uniforms.kernel.value=r}setKernel(r){this.kernel=r}setTexelSize(r,e){this.uniforms.texelSize.value.set(r,e,r*.5,e*.5)}setSize(r,e){let t=1/r,i=1/e;this.uniforms.texelSize.value.set(t,i,t*.5,i*.5)}},bM=class extends nn{constructor({kernelSize:r=Cf.MEDIUM,resolutionScale:e=.5,width:t=vn.AUTO_SIZE,height:i=vn.AUTO_SIZE,resolutionX:n=t,resolutionY:s=i}={}){super("KawaseBlurPass");this.renderTargetA=new mt(1,1,{depthBuffer:!1}),this.renderTargetA.texture.name="Blur.Target.A",this.renderTargetB=this.renderTargetA.clone(),this.renderTargetB.texture.name="Blur.Target.B";let a=this.resolution=new vn(this,n,s,e);a.addEventListener("change",o=>this.setSize(a.baseWidth,a.baseHeight)),this._blurMaterial=new MM,this._blurMaterial.kernelSize=r,this.copyMaterial=new tv}getResolution(){return this.resolution}get blurMaterial(){return this._blurMaterial}set blurMaterial(r){this._blurMaterial=r}get dithering(){return this.copyMaterial.dithering}set dithering(r){this.copyMaterial.dithering=r}get kernelSize(){return this.blurMaterial.kernelSize}set kernelSize(r){this.blurMaterial.kernelSize=r}get width(){return this.resolution.width}set width(r){this.resolution.preferredWidth=r}get height(){return this.resolution.height}set height(r){this.resolution.preferredHeight=r}get scale(){return this.blurMaterial.scale}set scale(r){this.blurMaterial.scale=r}getScale(){return this.blurMaterial.scale}setScale(r){this.blurMaterial.scale=r}getKernelSize(){return this.kernelSize}setKernelSize(r){this.kernelSize=r}getResolutionScale(){return this.resolution.scale}setResolutionScale(r){this.resolution.scale=r}render(r,e,t,i,n){let s=this.scene,a=this.camera,o=this.renderTargetA,l=this.renderTargetB,c=this.blurMaterial,h=c.kernelSequence,u=e;this.fullscreenMaterial=c;for(let d=0,f=h.length;d #ifdef FRAMEBUFFER_PRECISION_HIGH uniform mediump sampler2D inputBuffer; #else uniform lowp sampler2D inputBuffer; #endif -uniform float opacity;varying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);gl_FragColor=opacity*texel; -#include -#include -}`,Gp=class extends Ye{constructor(){super({name:"CopyMaterial",uniforms:{inputBuffer:new De(null),opacity:new De(1)},blending:xt,depthWrite:!1,depthTest:!1,fragmentShader:Vb,vertexShader:zp});this.toneMapped=!1}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setInputBuffer(r){this.uniforms.inputBuffer.value=r}getOpacity(r){return this.uniforms.opacity.value}setOpacity(r){this.uniforms.opacity.value=r}};var Wb=`#ifdef FRAMEBUFFER_PRECISION_HIGH +#ifdef RANGE +uniform vec2 range; +#elif defined(THRESHOLD) +uniform float threshold;uniform float smoothing; +#endif +varying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);float l=luminance(texel.rgb); +#ifdef RANGE +float low=step(range.x,l);float high=step(l,range.y);l*=low*high; +#elif defined(THRESHOLD) +l=smoothstep(threshold,threshold+smoothing,l)*l; +#endif +#ifdef COLOR +gl_FragColor=vec4(texel.rgb*clamp(l,0.0,1.0),l); +#else +gl_FragColor=vec4(l); +#endif +}`,wM=class extends Ke{constructor(r=!1,e=null){super({name:"LuminanceMaterial",defines:{THREE_REVISION:ji.replace(/\D+/g,"")},uniforms:{inputBuffer:new Ze(null),threshold:new Ze(0),smoothing:new Ze(1),range:new Ze(null)},blending:Dt,toneMapped:!1,depthWrite:!1,depthTest:!1,fragmentShader:TM,vertexShader:ev});this.colorOutput=r,this.luminanceRange=e}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setInputBuffer(r){this.uniforms.inputBuffer.value=r}get threshold(){return this.uniforms.threshold.value}set threshold(r){this.smoothing>0||r>0?this.defines.THRESHOLD="1":delete this.defines.THRESHOLD,this.uniforms.threshold.value=r}getThreshold(){return this.threshold}setThreshold(r){this.threshold=r}get smoothing(){return this.uniforms.smoothing.value}set smoothing(r){this.threshold>0||r>0?this.defines.THRESHOLD="1":delete this.defines.THRESHOLD,this.uniforms.smoothing.value=r}getSmoothingFactor(){return this.smoothing}setSmoothingFactor(r){this.smoothing=r}get useThreshold(){return this.threshold>0||this.smoothing>0}set useThreshold(r){}get colorOutput(){return this.defines.COLOR!==void 0}set colorOutput(r){r?this.defines.COLOR="1":delete this.defines.COLOR,this.needsUpdate=!0}isColorOutputEnabled(r){return this.colorOutput}setColorOutputEnabled(r){this.colorOutput=r}get useRange(){return this.luminanceRange!==null}set useRange(r){this.luminanceRange=null}get luminanceRange(){return this.uniforms.range.value}set luminanceRange(r){r!==null?this.defines.RANGE="1":delete this.defines.RANGE,this.uniforms.range.value=r,this.needsUpdate=!0}getLuminanceRange(){return this.luminanceRange}setLuminanceRange(r){this.luminanceRange=r}},CM=class extends nn{constructor({renderTarget:r,luminanceRange:e,colorOutput:t,resolutionScale:i=1,width:n=vn.AUTO_SIZE,height:s=vn.AUTO_SIZE,resolutionX:a=n,resolutionY:o=s}={}){super("LuminancePass");this.fullscreenMaterial=new wM(t,e),this.needsSwap=!1,this.renderTarget=r,this.renderTarget===void 0&&(this.renderTarget=new mt(1,1,{depthBuffer:!1}),this.renderTarget.texture.name="LuminancePass.Target");let l=this.resolution=new vn(this,a,o,i);l.addEventListener("change",c=>this.setSize(l.baseWidth,l.baseHeight))}get texture(){return this.renderTarget.texture}getTexture(){return this.renderTarget.texture}getResolution(){return this.resolution}render(r,e,t,i,n){let s=this.fullscreenMaterial;s.inputBuffer=e.texture,r.setRenderTarget(this.renderToScreen?null:this.renderTarget),r.render(this.scene,this.camera)}setSize(r,e){let t=this.resolution;t.setBaseSize(r,e),this.renderTarget.setSize(t.width,t.height)}initialize(r,e,t){t!==void 0&&t!==bt&&(this.renderTarget.texture.type=t,this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH="1")}},RM=`#ifdef FRAMEBUFFER_PRECISION_HIGH uniform mediump sampler2D inputBuffer; #else uniform lowp sampler2D inputBuffer; @@ -3153,8 +3863,20 @@ uniform lowp sampler2D inputBuffer; #define WEIGHT_INNER 0.125 #define WEIGHT_OUTER 0.0555555 varying vec2 vUv;varying vec2 vUv00;varying vec2 vUv01;varying vec2 vUv02;varying vec2 vUv03;varying vec2 vUv04;varying vec2 vUv05;varying vec2 vUv06;varying vec2 vUv07;varying vec2 vUv08;varying vec2 vUv09;varying vec2 vUv10;varying vec2 vUv11;float clampToBorder(const in vec2 uv){return float(uv.s>=0.0&&uv.s<=1.0&&uv.t>=0.0&&uv.t<=1.0);}void main(){vec4 c=vec4(0.0);vec4 w=WEIGHT_INNER*vec4(clampToBorder(vUv00),clampToBorder(vUv01),clampToBorder(vUv02),clampToBorder(vUv03));c+=w.x*texture2D(inputBuffer,vUv00);c+=w.y*texture2D(inputBuffer,vUv01);c+=w.z*texture2D(inputBuffer,vUv02);c+=w.w*texture2D(inputBuffer,vUv03);w=WEIGHT_OUTER*vec4(clampToBorder(vUv04),clampToBorder(vUv05),clampToBorder(vUv06),clampToBorder(vUv07));c+=w.x*texture2D(inputBuffer,vUv04);c+=w.y*texture2D(inputBuffer,vUv05);c+=w.z*texture2D(inputBuffer,vUv06);c+=w.w*texture2D(inputBuffer,vUv07);w=WEIGHT_OUTER*vec4(clampToBorder(vUv08),clampToBorder(vUv09),clampToBorder(vUv10),clampToBorder(vUv11));c+=w.x*texture2D(inputBuffer,vUv08);c+=w.y*texture2D(inputBuffer,vUv09);c+=w.z*texture2D(inputBuffer,vUv10);c+=w.w*texture2D(inputBuffer,vUv11);c+=WEIGHT_OUTER*texture2D(inputBuffer,vUv);gl_FragColor=c; -#include -}`,Yb="uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv00;varying vec2 vUv01;varying vec2 vUv02;varying vec2 vUv03;varying vec2 vUv04;varying vec2 vUv05;varying vec2 vUv06;varying vec2 vUv07;varying vec2 vUv08;varying vec2 vUv09;varying vec2 vUv10;varying vec2 vUv11;void main(){vUv=position.xy*0.5+0.5;vUv00=vUv+texelSize*vec2(-1.0,1.0);vUv01=vUv+texelSize*vec2(1.0,1.0);vUv02=vUv+texelSize*vec2(-1.0,-1.0);vUv03=vUv+texelSize*vec2(1.0,-1.0);vUv04=vUv+texelSize*vec2(-2.0,2.0);vUv05=vUv+texelSize*vec2(0.0,2.0);vUv06=vUv+texelSize*vec2(2.0,2.0);vUv07=vUv+texelSize*vec2(-2.0,0.0);vUv08=vUv+texelSize*vec2(2.0,0.0);vUv09=vUv+texelSize*vec2(-2.0,-2.0);vUv10=vUv+texelSize*vec2(0.0,-2.0);vUv11=vUv+texelSize*vec2(2.0,-2.0);gl_Position=vec4(position.xy,1.0,1.0);}",jb=class extends Ye{constructor(){super({name:"DownsamplingMaterial",uniforms:{inputBuffer:new De(null),texelSize:new De(new O)},blending:xt,depthWrite:!1,depthTest:!1,fragmentShader:Wb,vertexShader:Yb});this.toneMapped=!1}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setSize(r,e){this.uniforms.texelSize.value.set(1/r,1/e)}};var Xb=`#include +#include +}`,DM="uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv00;varying vec2 vUv01;varying vec2 vUv02;varying vec2 vUv03;varying vec2 vUv04;varying vec2 vUv05;varying vec2 vUv06;varying vec2 vUv07;varying vec2 vUv08;varying vec2 vUv09;varying vec2 vUv10;varying vec2 vUv11;void main(){vUv=position.xy*0.5+0.5;vUv00=vUv+texelSize*vec2(-1.0,1.0);vUv01=vUv+texelSize*vec2(1.0,1.0);vUv02=vUv+texelSize*vec2(-1.0,-1.0);vUv03=vUv+texelSize*vec2(1.0,-1.0);vUv04=vUv+texelSize*vec2(-2.0,2.0);vUv05=vUv+texelSize*vec2(0.0,2.0);vUv06=vUv+texelSize*vec2(2.0,2.0);vUv07=vUv+texelSize*vec2(-2.0,0.0);vUv08=vUv+texelSize*vec2(2.0,0.0);vUv09=vUv+texelSize*vec2(-2.0,-2.0);vUv10=vUv+texelSize*vec2(0.0,-2.0);vUv11=vUv+texelSize*vec2(2.0,-2.0);gl_Position=vec4(position.xy,1.0,1.0);}",PM=class extends Ke{constructor(){super({name:"DownsamplingMaterial",uniforms:{inputBuffer:new Ze(null),texelSize:new Ze(new z)},blending:Dt,toneMapped:!1,depthWrite:!1,depthTest:!1,fragmentShader:RM,vertexShader:DM})}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setSize(r,e){this.uniforms.texelSize.value.set(1/r,1/e)}},IM=`#ifdef FRAMEBUFFER_PRECISION_HIGH +uniform mediump sampler2D inputBuffer;uniform mediump sampler2D supportBuffer; +#else +uniform lowp sampler2D inputBuffer;uniform lowp sampler2D supportBuffer; +#endif +uniform float radius;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;varying vec2 vUv6;varying vec2 vUv7;void main(){vec4 c=vec4(0.0);c+=texture2D(inputBuffer,vUv0)*0.0625;c+=texture2D(inputBuffer,vUv1)*0.125;c+=texture2D(inputBuffer,vUv2)*0.0625;c+=texture2D(inputBuffer,vUv3)*0.125;c+=texture2D(inputBuffer,vUv)*0.25;c+=texture2D(inputBuffer,vUv4)*0.125;c+=texture2D(inputBuffer,vUv5)*0.0625;c+=texture2D(inputBuffer,vUv6)*0.125;c+=texture2D(inputBuffer,vUv7)*0.0625;vec4 baseColor=texture2D(supportBuffer,vUv);gl_FragColor=mix(baseColor,c,radius); +#include +}`,UM="uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;varying vec2 vUv6;varying vec2 vUv7;void main(){vUv=position.xy*0.5+0.5;vUv0=vUv+texelSize*vec2(-1.0,1.0);vUv1=vUv+texelSize*vec2(0.0,1.0);vUv2=vUv+texelSize*vec2(1.0,1.0);vUv3=vUv+texelSize*vec2(-1.0,0.0);vUv4=vUv+texelSize*vec2(1.0,0.0);vUv5=vUv+texelSize*vec2(-1.0,-1.0);vUv6=vUv+texelSize*vec2(0.0,-1.0);vUv7=vUv+texelSize*vec2(1.0,-1.0);gl_Position=vec4(position.xy,1.0,1.0);}",LM=class extends Ke{constructor(){super({name:"UpsamplingMaterial",uniforms:{inputBuffer:new Ze(null),supportBuffer:new Ze(null),texelSize:new Ze(new z),radius:new Ze(.85)},blending:Dt,toneMapped:!1,depthWrite:!1,depthTest:!1,fragmentShader:IM,vertexShader:UM})}set inputBuffer(r){this.uniforms.inputBuffer.value=r}set supportBuffer(r){this.uniforms.supportBuffer.value=r}get radius(){return this.uniforms.radius.value}set radius(r){this.uniforms.radius.value=r}setSize(r,e){this.uniforms.texelSize.value.set(1/r,1/e)}},BM=class extends nn{constructor(){super("MipmapBlurPass");this.needsSwap=!1,this.renderTarget=new mt(1,1,{depthBuffer:!1}),this.renderTarget.texture.name="Upsampling.Mipmap0",this.downsamplingMipmaps=[],this.upsamplingMipmaps=[],this.downsamplingMaterial=new PM,this.upsamplingMaterial=new LM,this.resolution=new z}get texture(){return this.renderTarget.texture}get levels(){return this.downsamplingMipmaps.length}set levels(r){if(this.levels!==r){let e=this.renderTarget;this.dispose(),this.downsamplingMipmaps=[],this.upsamplingMipmaps=[];for(let t=0;t=0;--d){let f=h[d];l.setSize(u.width,u.height),l.inputBuffer=u.texture,l.supportBuffer=c[d].texture,r.setRenderTarget(f),r.render(s,a),u=f}}setSize(r,e){let t=this.resolution;t.set(r,e);let i=t.width,n=t.height;for(let s=0,a=this.downsamplingMipmaps.length;sthis.setChanged()),this._inputColorSpace=Oi,this._outputColorSpace=di}get inputColorSpace(){return this._inputColorSpace}set inputColorSpace(r){this._inputColorSpace=r,this.setChanged()}get outputColorSpace(){return this._outputColorSpace}set outputColorSpace(r){this._outputColorSpace=r,this.setChanged()}set mainScene(r){}set mainCamera(r){}getName(){return this.name}setRenderer(r){this.renderer=r}getDefines(){return this.defines}getUniforms(){return this.uniforms}getExtensions(){return this.extensions}getBlendMode(){return this.blendMode}getAttributes(){return this.attributes}setAttributes(r){this.attributes=r,this.setChanged()}getFragmentShader(){return this.fragmentShader}setFragmentShader(r){this.fragmentShader=r,this.setChanged()}getVertexShader(){return this.vertexShader}setVertexShader(r){this.vertexShader=r,this.setChanged()}setChanged(){this.dispatchEvent({type:"change"})}setDepthTexture(r,e=Bi){}update(r,e,t){}setSize(r,e){}initialize(r,e,t){}dispose(){for(let r of Object.keys(this)){let e=this[r];(e instanceof mt||e instanceof St||e instanceof pt||e instanceof nn)&&this[r].dispose()}}},NM=`#ifdef FRAMEBUFFER_PRECISION_HIGH +uniform mediump sampler2D map; +#else +uniform lowp sampler2D map; +#endif +uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec4 texel=texture2D(map,uv);outputColor=vec4(texel.rgb*intensity,texel.a);}`,av=class extends OM{constructor({blendFunction:r=$e.SCREEN,luminanceThreshold:e=.9,luminanceSmoothing:t=.025,mipmapBlur:i=!1,intensity:n=1,radius:s=.85,levels:a=8,kernelSize:o=Cf.LARGE,resolutionScale:l=.5,width:c=vn.AUTO_SIZE,height:h=vn.AUTO_SIZE,resolutionX:u=c,resolutionY:d=h}={}){super("BloomEffect",NM,{blendFunction:r,uniforms:new Map([["map",new Ze(null)],["intensity",new Ze(n)]])});this.renderTarget=new mt(1,1,{depthBuffer:!1}),this.renderTarget.texture.name="Bloom.Target",this.blurPass=new bM({kernelSize:o}),this.luminancePass=new CM({colorOutput:!0}),this.luminanceMaterial.threshold=e,this.luminanceMaterial.smoothing=t,this.mipmapBlurPass=new BM,this.mipmapBlurPass.enabled=i,this.mipmapBlurPass.radius=s,this.mipmapBlurPass.levels=a,this.uniforms.get("map").value=i?this.mipmapBlurPass.texture:this.renderTarget.texture;let f=this.resolution=new vn(this,u,d,l);f.addEventListener("change",m=>this.setSize(f.baseWidth,f.baseHeight))}get texture(){return this.mipmapBlurPass.enabled?this.mipmapBlurPass.texture:this.renderTarget.texture}getTexture(){return this.texture}getResolution(){return this.resolution}getBlurPass(){return this.blurPass}getLuminancePass(){return this.luminancePass}get luminanceMaterial(){return this.luminancePass.fullscreenMaterial}getLuminanceMaterial(){return this.luminancePass.fullscreenMaterial}get width(){return this.resolution.width}set width(r){this.resolution.preferredWidth=r}get height(){return this.resolution.height}set height(r){this.resolution.preferredHeight=r}get dithering(){return this.blurPass.dithering}set dithering(r){this.blurPass.dithering=r}get kernelSize(){return this.blurPass.kernelSize}set kernelSize(r){this.blurPass.kernelSize=r}get distinction(){return console.warn(this.name,"distinction was removed"),1}set distinction(r){console.warn(this.name,"distinction was removed")}get intensity(){return this.uniforms.get("intensity").value}set intensity(r){this.uniforms.get("intensity").value=r}getIntensity(){return this.intensity}setIntensity(r){this.intensity=r}getResolutionScale(){return this.resolution.scale}setResolutionScale(r){this.resolution.scale=r}update(r,e,t){let i=this.renderTarget,n=this.luminancePass;n.enabled?(n.render(r,e),this.mipmapBlurPass.enabled?this.mipmapBlurPass.render(r,n.renderTarget):this.blurPass.render(r,n.renderTarget,i)):this.mipmapBlurPass.enabled?this.mipmapBlurPass.render(r,e):this.blurPass.render(r,e,i)}setSize(r,e){let t=this.resolution;t.setBaseSize(r,e),this.renderTarget.setSize(t.width,t.height),this.blurPass.resolution.copy(t),this.luminancePass.setSize(r,e),this.mipmapBlurPass.setSize(r,e)}initialize(r,e,t){this.blurPass.initialize(r,e,t),this.luminancePass.initialize(r,e,t),this.mipmapBlurPass.initialize(r,e,t),t!==void 0&&(this.renderTarget.texture.type=t,r!==null&&r.outputColorSpace===Oe&&(this.renderTarget.texture.colorSpace=Oe))}};var ov=class extends nn{constructor(r,e,t=null){super("RenderPass",r,e);this.needsSwap=!1,this.clearPass=new nv,this.overrideMaterialManager=t===null?null:new sv(t),this.ignoreBackground=!1,this.skipShadowMapUpdate=!1,this.selection=null}set mainScene(r){this.scene=r}set mainCamera(r){this.camera=r}get renderToScreen(){return super.renderToScreen}set renderToScreen(r){super.renderToScreen=r,this.clearPass.renderToScreen=r}get overrideMaterial(){let r=this.overrideMaterialManager;return r!==null?r.material:null}set overrideMaterial(r){let e=this.overrideMaterialManager;r!==null?e!==null?e.setMaterial(r):this.overrideMaterialManager=new sv(r):e!==null&&(e.dispose(),this.overrideMaterialManager=null)}getOverrideMaterial(){return this.overrideMaterial}setOverrideMaterial(r){this.overrideMaterial=r}get clear(){return this.clearPass.enabled}set clear(r){this.clearPass.enabled=r}getSelection(){return this.selection}setSelection(r){this.selection=r}isBackgroundDisabled(){return this.ignoreBackground}setBackgroundDisabled(r){this.ignoreBackground=r}isShadowMapDisabled(){return this.skipShadowMapUpdate}setShadowMapDisabled(r){this.skipShadowMapUpdate=r}getClearPass(){return this.clearPass}render(r,e,t,i,n){let s=this.scene,a=this.camera,o=this.selection,l=a.layers.mask,c=s.background,h=r.shadowMap.autoUpdate,u=this.renderToScreen?null:e;o!==null&&a.layers.set(o.getLayer()),this.skipShadowMapUpdate&&(r.shadowMap.autoUpdate=!1),(this.ignoreBackground||this.clearPass.overrideClearColor!==null)&&(s.background=null),this.clearPass.enabled&&this.clearPass.render(r,e),r.setRenderTarget(u),this.overrideMaterialManager!==null?this.overrideMaterialManager.render(r,s,a):r.render(s,a),a.layers.mask=l,s.background=c,r.shadowMap.autoUpdate=h}};var nT=Math.PI*.5;var FM=`#include #include #include #define packFloatToRGBA(v) packDepthToRGBA(v) @@ -3171,14 +3893,7 @@ uniform highp sampler2D depthBuffer; #else uniform mediump sampler2D depthBuffer; #endif -uniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv; -#if THREE_REVISION < 143 -#define luminance(v) linearToRelativeLuminance(v) -#endif -#if THREE_REVISION >= 137 -vec4 sRGBToLinear(const in vec4 value){return vec4(mix(pow(value.rgb*0.9478672986+vec3(0.0521327014),vec3(2.4)),value.rgb*0.0773993808,vec3(lessThanEqual(value.rgb,vec3(0.04045)))),value.a);} -#endif -float readDepth(const in vec2 uv){ +uniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv;vec4 sRGBToLinear(const in vec4 value){return vec4(mix(pow(value.rgb*0.9478672986+vec3(0.0521327014),vec3(2.4)),value.rgb*0.0773993808,vec3(lessThanEqual(value.rgb,vec3(0.04045)))),value.a);}float readDepth(const in vec2 uv){ #if DEPTH_PACKING == 3201 return unpackRGBAToDepth(texture2D(depthBuffer,uv)); #else @@ -3190,113 +3905,58 @@ return perspectiveDepthToViewZ(depth,cameraNear,cameraFar); #else return orthographicDepthToViewZ(depth,cameraNear,cameraFar); #endif -}vec3 RGBToHCV(const in vec3 RGB){vec4 P=mix(vec4(RGB.bg,-1.0,2.0/3.0),vec4(RGB.gb,0.0,-1.0/3.0),step(RGB.b,RGB.g));vec4 Q=mix(vec4(P.xyw,RGB.r),vec4(RGB.r,P.yzx),step(P.x,RGB.r));float C=Q.x-min(Q.w,Q.y);float H=abs((Q.w-Q.y)/(6.0*C+EPSILON)+Q.z);return vec3(H,C,Q.x);}vec3 RGBToHSL(const in vec3 RGB){vec3 HCV=RGBToHCV(RGB);float L=HCV.z-HCV.y*0.5;float S=HCV.y/(1.0-abs(L*2.0-1.0)+EPSILON);return vec3(HCV.x,S,L);}vec3 HueToRGB(const in float H){float R=abs(H*6.0-3.0)-1.0;float G=2.0-abs(H*6.0-2.0);float B=2.0-abs(H*6.0-4.0);return clamp(vec3(R,G,B),0.0,1.0);}vec3 HSLToRGB(const in vec3 HSL){vec3 RGB=HueToRGB(HSL.x);float C=(1.0-abs(2.0*HSL.z-1.0))*HSL.y;return(RGB-0.5)*C+HSL.z;}FRAGMENT_HEADvoid main(){FRAGMENT_MAIN_UVvec4 color0=texture2D(inputBuffer,UV);vec4 color1=vec4(0.0);FRAGMENT_MAIN_IMAGEgl_FragColor=color0; +}vec3 RGBToHCV(const in vec3 RGB){vec4 P=mix(vec4(RGB.bg,-1.0,2.0/3.0),vec4(RGB.gb,0.0,-1.0/3.0),step(RGB.b,RGB.g));vec4 Q=mix(vec4(P.xyw,RGB.r),vec4(RGB.r,P.yzx),step(P.x,RGB.r));float C=Q.x-min(Q.w,Q.y);float H=abs((Q.w-Q.y)/(6.0*C+EPSILON)+Q.z);return vec3(H,C,Q.x);}vec3 RGBToHSL(const in vec3 RGB){vec3 HCV=RGBToHCV(RGB);float L=HCV.z-HCV.y*0.5;float S=HCV.y/(1.0-abs(L*2.0-1.0)+EPSILON);return vec3(HCV.x,S,L);}vec3 HueToRGB(const in float H){float R=abs(H*6.0-3.0)-1.0;float G=2.0-abs(H*6.0-2.0);float B=2.0-abs(H*6.0-4.0);return clamp(vec3(R,G,B),0.0,1.0);}vec3 HSLToRGB(const in vec3 HSL){vec3 RGB=HueToRGB(HSL.x);float C=(1.0-abs(2.0*HSL.z-1.0))*HSL.y;return(RGB-0.5)*C+HSL.z;}FRAGMENT_HEAD void main(){FRAGMENT_MAIN_UV vec4 color0=texture2D(inputBuffer,UV);vec4 color1=vec4(0.0);FRAGMENT_MAIN_IMAGE color0.a=clamp(color0.a,0.0,1.0);gl_FragColor=color0; #ifdef ENCODE_OUTPUT -#include +#include #endif #include -}`,Qb="uniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv;VERTEX_HEADvoid main(){vUv=position.xy*0.5+0.5;VERTEX_MAIN_SUPPORTgl_Position=vec4(position.xy,1.0,1.0);}",qb=class extends Ye{constructor(r,e,t,n,i=!1){super({name:"EffectMaterial",defines:{THREE_REVISION:bn.replace(/\D+/g,""),DEPTH_PACKING:"0",ENCODE_OUTPUT:"1"},uniforms:{inputBuffer:new De(null),depthBuffer:new De(null),resolution:new De(new O),texelSize:new De(new O),cameraNear:new De(.3),cameraFar:new De(1e3),aspect:new De(1),time:new De(0)},blending:xt,depthWrite:!1,depthTest:!1,dithering:i});this.toneMapped=!1,r&&this.setShaderParts(r),e&&this.setDefines(e),t&&this.setUniforms(t),this.copyCameraSettings(n)}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setInputBuffer(r){this.uniforms.inputBuffer.value=r}get depthBuffer(){return this.uniforms.depthBuffer.value}set depthBuffer(r){this.uniforms.depthBuffer.value=r}get depthPacking(){return Number(this.defines.DEPTH_PACKING)}set depthPacking(r){this.defines.DEPTH_PACKING=r.toFixed(0),this.needsUpdate=!0}setDepthBuffer(r,e=cn){this.depthBuffer=r,this.depthPacking=e}setShaderData(r){this.setShaderParts(r.shaderParts),this.setDefines(r.defines),this.setUniforms(r.uniforms),this.setExtensions(r.extensions)}setShaderParts(r){var e,t,n,i,s;return this.fragmentShader=Xb.replace(je.FRAGMENT_HEAD,(e=r.get(je.FRAGMENT_HEAD))!=null?e:"").replace(je.FRAGMENT_MAIN_UV,(t=r.get(je.FRAGMENT_MAIN_UV))!=null?t:"").replace(je.FRAGMENT_MAIN_IMAGE,(n=r.get(je.FRAGMENT_MAIN_IMAGE))!=null?n:""),this.vertexShader=Qb.replace(je.VERTEX_HEAD,(i=r.get(je.VERTEX_HEAD))!=null?i:"").replace(je.VERTEX_MAIN_SUPPORT,(s=r.get(je.VERTEX_MAIN_SUPPORT))!=null?s:""),this.needsUpdate=!0,this}setDefines(r){for(let e of r.entries())this.defines[e[0]]=e[1];return this.needsUpdate=!0,this}setUniforms(r){for(let e of r.entries())this.uniforms[e[0]]=e[1];return this}setExtensions(r){this.extensions={};for(let e of r)this.extensions[e]=!0;return this}get encodeOutput(){return this.defines.ENCODE_OUTPUT!==void 0}set encodeOutput(r){this.encodeOutput!==r&&(r?this.defines.ENCODE_OUTPUT="1":delete this.defines.ENCODE_OUTPUT,this.needsUpdate=!0)}isOutputEncodingEnabled(r){return this.encodeOutput}setOutputEncodingEnabled(r){this.encodeOutput=r}get time(){return this.uniforms.time.value}set time(r){this.uniforms.time.value=r}setDeltaTime(r){this.uniforms.time.value+=r}adoptCameraSettings(r){this.copyCameraSettings(r)}copyCameraSettings(r){r&&(this.uniforms.cameraNear.value=r.near,this.uniforms.cameraFar.value=r.far,r instanceof ct?this.defines.PERSPECTIVE_CAMERA="1":delete this.defines.PERSPECTIVE_CAMERA,this.needsUpdate=!0)}setSize(r,e){let t=this.uniforms;t.resolution.value.set(r,e),t.texelSize.value.set(1/r,1/e),t.aspect.value=r/e}static get Section(){return je}};var Zb=`#include -#if THREE_REVISION < 143 -#define luminance(v) linearToRelativeLuminance(v) -#endif -#ifdef FRAMEBUFFER_PRECISION_HIGH -uniform mediump sampler2D inputBuffer; -#else -uniform lowp sampler2D inputBuffer; -#endif -#ifdef RANGE -uniform vec2 range; -#elif defined(THRESHOLD) -uniform float threshold;uniform float smoothing; -#endif -varying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);float l=luminance(texel.rgb); -#ifdef RANGE -float low=step(range.x,l);float high=step(l,range.y);l*=low*high; -#elif defined(THRESHOLD) -l=smoothstep(threshold,threshold+smoothing,l); -#endif -#ifdef COLOR -gl_FragColor=vec4(texel.rgb*l,l); -#else -gl_FragColor=vec4(l); -#endif -}`,Jb=class extends Ye{constructor(r=!1,e=null){super({name:"LuminanceMaterial",defines:{THREE_REVISION:bn.replace(/\D+/g,"")},uniforms:{inputBuffer:new De(null),threshold:new De(0),smoothing:new De(1),range:new De(null)},blending:xt,depthWrite:!1,depthTest:!1,fragmentShader:Zb,vertexShader:zp});this.toneMapped=!1,this.colorOutput=r,this.luminanceRange=e}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setInputBuffer(r){this.uniforms.inputBuffer.value=r}get threshold(){return this.uniforms.threshold.value}set threshold(r){this.smoothing>0||r>0?this.defines.THRESHOLD="1":delete this.defines.THRESHOLD,this.uniforms.threshold.value=r}getThreshold(){return this.threshold}setThreshold(r){this.threshold=r}get smoothing(){return this.uniforms.smoothing.value}set smoothing(r){this.threshold>0||r>0?this.defines.THRESHOLD="1":delete this.defines.THRESHOLD,this.uniforms.smoothing.value=r}getSmoothingFactor(){return this.smoothing}setSmoothingFactor(r){this.smoothing=r}get useThreshold(){return this.threshold>0||this.smoothing>0}set useThreshold(r){}get colorOutput(){return this.defines.COLOR!==void 0}set colorOutput(r){r?this.defines.COLOR="1":delete this.defines.COLOR,this.needsUpdate=!0}isColorOutputEnabled(r){return this.colorOutput}setColorOutputEnabled(r){this.colorOutput=r}get useRange(){return this.luminanceRange!==null}set useRange(r){this.luminanceRange=null}get luminanceRange(){return this.uniforms.range.value}set luminanceRange(r){r!==null?this.defines.RANGE="1":delete this.defines.RANGE,this.uniforms.range.value=r,this.needsUpdate=!0}getLuminanceRange(){return this.luminanceRange}setLuminanceRange(r){this.luminanceRange=r}};var Kb=`#ifdef FRAMEBUFFER_PRECISION_HIGH -uniform mediump sampler2D inputBuffer;uniform mediump sampler2D supportBuffer; -#else -uniform lowp sampler2D inputBuffer;uniform lowp sampler2D supportBuffer; -#endif -uniform float radius;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;varying vec2 vUv6;varying vec2 vUv7;void main(){vec4 c=vec4(0.0);c+=texture2D(inputBuffer,vUv0)*0.0625;c+=texture2D(inputBuffer,vUv1)*0.125;c+=texture2D(inputBuffer,vUv2)*0.0625;c+=texture2D(inputBuffer,vUv3)*0.125;c+=texture2D(inputBuffer,vUv)*0.25;c+=texture2D(inputBuffer,vUv4)*0.125;c+=texture2D(inputBuffer,vUv5)*0.0625;c+=texture2D(inputBuffer,vUv6)*0.125;c+=texture2D(inputBuffer,vUv7)*0.0625;vec4 baseColor=texture2D(supportBuffer,vUv);gl_FragColor=mix(baseColor,c,radius); -#include -}`,$b="uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;varying vec2 vUv6;varying vec2 vUv7;void main(){vUv=position.xy*0.5+0.5;vUv0=vUv+texelSize*vec2(-1.0,1.0);vUv1=vUv+texelSize*vec2(0.0,1.0);vUv2=vUv+texelSize*vec2(1.0,1.0);vUv3=vUv+texelSize*vec2(-1.0,0.0);vUv4=vUv+texelSize*vec2(1.0,0.0);vUv5=vUv+texelSize*vec2(-1.0,-1.0);vUv6=vUv+texelSize*vec2(0.0,-1.0);vUv7=vUv+texelSize*vec2(1.0,-1.0);gl_Position=vec4(position.xy,1.0,1.0);}",eA=class extends Ye{constructor(){super({name:"UpsamplingMaterial",uniforms:{inputBuffer:new De(null),supportBuffer:new De(null),texelSize:new De(new O),radius:new De(.85)},blending:xt,depthWrite:!1,depthTest:!1,fragmentShader:Kb,vertexShader:$b});this.toneMapped=!1}set inputBuffer(r){this.uniforms.inputBuffer.value=r}set supportBuffer(r){this.uniforms.supportBuffer.value=r}get radius(){return this.uniforms.radius.value}set radius(r){this.uniforms.radius.value=r}setSize(r,e){this.uniforms.texelSize.value.set(1/r,1/e)}},tA=new oi,wi=null;function nA(){if(wi===null){let r=new Float32Array([-1,-1,0,3,-1,0,-1,3,0]),e=new Float32Array([0,0,2,0,0,2]);wi=new de,wi.setAttribute!==void 0?(wi.setAttribute("position",new pe(r,3)),wi.setAttribute("uv",new pe(e,2))):(wi.addAttribute("position",new pe(r,3)),wi.addAttribute("uv",new pe(e,2)))}return wi}var wn=class{constructor(r="Pass",e=new mn,t=tA){this.name=r,this.renderer=null,this.scene=e,this.camera=t,this.screen=null,this.rtt=!0,this.needsSwap=!0,this.needsDepthTexture=!1,this.enabled=!0}get renderToScreen(){return!this.rtt}set renderToScreen(r){if(this.rtt===r){let e=this.fullscreenMaterial;e!==null&&(e.needsUpdate=!0),this.rtt=!r}}set mainScene(r){}set mainCamera(r){}setRenderer(r){this.renderer=r}isEnabled(){return this.enabled}setEnabled(r){this.enabled=r}get fullscreenMaterial(){return this.screen!==null?this.screen.material:null}set fullscreenMaterial(r){let e=this.screen;e!==null?e.material=r:(e=new ze(nA(),r),e.frustumCulled=!1,this.scene===null&&(this.scene=new mn),this.scene.add(e),this.screen=e)}getFullscreenMaterial(){return this.fullscreenMaterial}setFullscreenMaterial(r){this.fullscreenMaterial=r}getDepthTexture(){return null}setDepthTexture(r,e=cn){}render(r,e,t,n,i){throw new Error("Render method not implemented!")}setSize(r,e){}initialize(r,e,t){}dispose(){for(let r of Object.keys(this)){let e=this[r];(e instanceof We||e instanceof tt||e instanceof ot||e instanceof wn)&&this[r].dispose()}}},iA=class extends wn{constructor(r,e=!0){super("CopyPass");this.fullscreenMaterial=new Gp,this.needsSwap=!1,this.renderTarget=r,r===void 0&&(this.renderTarget=new We(1,1,{minFilter:et,magFilter:et,stencilBuffer:!1,depthBuffer:!1}),this.renderTarget.texture.name="CopyPass.Target"),this.autoResize=e}get resize(){return this.autoResize}set resize(r){this.autoResize=r}get texture(){return this.renderTarget.texture}getTexture(){return this.renderTarget.texture}setAutoResizeEnabled(r){this.autoResize=r}render(r,e,t,n,i){this.fullscreenMaterial.inputBuffer=e.texture,r.setRenderTarget(this.renderToScreen?null:this.renderTarget),r.render(this.scene,this.camera)}setSize(r,e){this.autoResize&&this.renderTarget.setSize(r,e)}initialize(r,e,t){t!==void 0&&(this.renderTarget.texture.type=t,t!==lt?this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH="1":r.outputEncoding===qe&&(this.renderTarget.texture.encoding=qe))}};var rA=class extends wn{constructor(){super("ClearMaskPass",null,null);this.needsSwap=!1}render(r,e,t,n,i){let s=r.state.buffers.stencil;s.setLocked(!1),s.setTest(!1)}},kp=new $,Vp=class extends wn{constructor(r=!0,e=!0,t=!1){super("ClearPass",null,null);this.needsSwap=!1,this.color=r,this.depth=e,this.stencil=t,this.overrideClearColor=null,this.overrideClearAlpha=-1}setClearFlags(r,e,t){this.color=r,this.depth=e,this.stencil=t}getOverrideClearColor(){return this.overrideClearColor}setOverrideClearColor(r){this.overrideClearColor=r}getOverrideClearAlpha(){return this.overrideClearAlpha}setOverrideClearAlpha(r){this.overrideClearAlpha=r}render(r,e,t,n,i){let s=this.overrideClearColor,a=this.overrideClearAlpha,o=r.getClearAlpha(),l=s!==null,c=a>=0;l?(r.getClearColor(kp),r.setClearColor(s,c?a:o)):c&&r.setClearAlpha(a),r.setRenderTarget(this.renderToScreen?null:e),r.clear(this.color,this.depth,this.stencil),l?r.setClearColor(kp,o):c&&r.setClearAlpha(o)}},bi=-1,Cn=class extends Pt{constructor(r,e=bi,t=bi,n=1){super();this.resizable=r,this.baseSize=new O(1,1),this.preferredSize=new O(e,t),this.target=this.preferredSize,this.s=n,this.effectiveSize=new O,this.addEventListener("change",()=>this.updateEffectiveSize()),this.updateEffectiveSize()}updateEffectiveSize(){let r=this.baseSize,e=this.preferredSize,t=this.effectiveSize,n=this.scale;e.width!==bi?t.width=e.width:e.height!==bi?t.width=Math.round(e.height*(r.width/Math.max(r.height,1))):t.width=Math.round(r.width*n),e.height!==bi?t.height=e.height:e.width!==bi?t.height=Math.round(e.width/Math.max(r.width/Math.max(r.height,1),1)):t.height=Math.round(r.height*n)}get width(){return this.effectiveSize.width}set width(r){this.preferredWidth=r}get height(){return this.effectiveSize.height}set height(r){this.preferredHeight=r}getWidth(){return this.width}getHeight(){return this.height}get scale(){return this.s}set scale(r){this.s!==r&&(this.s=r,this.preferredSize.setScalar(bi),this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getScale(){return this.scale}setScale(r){this.scale=r}get baseWidth(){return this.baseSize.width}set baseWidth(r){this.baseSize.width!==r&&(this.baseSize.width=r,this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getBaseWidth(){return this.baseWidth}setBaseWidth(r){this.baseWidth=r}get baseHeight(){return this.baseSize.height}set baseHeight(r){this.baseSize.height!==r&&(this.baseSize.height=r,this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getBaseHeight(){return this.baseHeight}setBaseHeight(r){this.baseHeight=r}setBaseSize(r,e){(this.baseSize.width!==r||this.baseSize.height!==e)&&(this.baseSize.set(r,e),this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}get preferredWidth(){return this.preferredSize.width}set preferredWidth(r){this.preferredSize.width!==r&&(this.preferredSize.width=r,this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getPreferredWidth(){return this.preferredWidth}setPreferredWidth(r){this.preferredWidth=r}get preferredHeight(){return this.preferredSize.height}set preferredHeight(r){this.preferredSize.height!==r&&(this.preferredSize.height=r,this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}getPreferredHeight(){return this.preferredHeight}setPreferredHeight(r){this.preferredHeight=r}setPreferredSize(r,e){(this.preferredSize.width!==r||this.preferredSize.height!==e)&&(this.preferredSize.set(r,e),this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height))}copy(r){this.s=r.scale,this.baseSize.set(r.baseWidth,r.baseHeight),this.preferredSize.set(r.preferredWidth,r.preferredHeight),this.dispatchEvent({type:"change"}),this.resizable.setSize(this.baseSize.width,this.baseSize.height)}static get AUTO_SIZE(){return bi}},xu=!1,Wp=class{constructor(r=null){this.originalMaterials=new Map,this.material=null,this.materials=null,this.materialsBackSide=null,this.materialsDoubleSide=null,this.materialsFlatShaded=null,this.materialsFlatShadedBackSide=null,this.materialsFlatShadedDoubleSide=null,this.setMaterial(r),this.meshCount=0,this.replaceMaterial=e=>{if(e.isMesh){let t;if(e.material.flatShading)switch(e.material.side){case Ht:t=this.materialsFlatShadedDoubleSide;break;case Qe:t=this.materialsFlatShadedBackSide;break;default:t=this.materialsFlatShaded;break}else switch(e.material.side){case Ht:t=this.materialsDoubleSide;break;case Qe:t=this.materialsBackSide;break;default:t=this.materials;break}this.originalMaterials.set(e,e.material),e.isSkinnedMesh?e.material=t[2]:e.isInstancedMesh?e.material=t[1]:e.material=t[0],++this.meshCount}}}setMaterial(r){if(this.disposeMaterials(),this.material=r,r!==null){let e=this.materials=[r.clone(),r.clone(),r.clone()];for(let t of e)t.uniforms=Object.assign({},r.uniforms),t.side=Rn;e[2].skinning=!0,this.materialsBackSide=e.map(t=>{let n=t.clone();return n.uniforms=Object.assign({},r.uniforms),n.side=Qe,n}),this.materialsDoubleSide=e.map(t=>{let n=t.clone();return n.uniforms=Object.assign({},r.uniforms),n.side=Ht,n}),this.materialsFlatShaded=e.map(t=>{let n=t.clone();return n.uniforms=Object.assign({},r.uniforms),n.flatShading=!0,n}),this.materialsFlatShadedBackSide=e.map(t=>{let n=t.clone();return n.uniforms=Object.assign({},r.uniforms),n.flatShading=!0,n.side=Qe,n}),this.materialsFlatShadedDoubleSide=e.map(t=>{let n=t.clone();return n.uniforms=Object.assign({},r.uniforms),n.flatShading=!0,n.side=Ht,n})}}render(r,e,t){let n=r.shadowMap.enabled;if(r.shadowMap.enabled=!1,xu){let i=this.originalMaterials;this.meshCount=0,e.traverse(this.replaceMaterial),r.render(e,t);for(let s of i)s[0].material=s[1];this.meshCount!==i.size&&i.clear()}else{let i=e.overrideMaterial;e.overrideMaterial=this.material,r.render(e,t),e.overrideMaterial=i}r.shadowMap.enabled=n}disposeMaterials(){if(this.material!==null){let r=this.materials.concat(this.materialsBackSide).concat(this.materialsDoubleSide).concat(this.materialsFlatShaded).concat(this.materialsFlatShadedBackSide).concat(this.materialsFlatShadedDoubleSide);for(let e of r)e.dispose()}}dispose(){this.originalMaterials.clear(),this.disposeMaterials()}static get workaroundEnabled(){return xu}static set workaroundEnabled(r){xu=r}},Yp=class extends wn{constructor(r,e,t=null){super("RenderPass",r,e);this.needsSwap=!1,this.clearPass=new Vp,this.overrideMaterialManager=t===null?null:new Wp(t),this.ignoreBackground=!1,this.skipShadowMapUpdate=!1,this.selection=null}set mainScene(r){this.scene=r}set mainCamera(r){this.camera=r}get renderToScreen(){return super.renderToScreen}set renderToScreen(r){super.renderToScreen=r,this.clearPass.renderToScreen=r}get overrideMaterial(){let r=this.overrideMaterialManager;return r!==null?r.material:null}set overrideMaterial(r){let e=this.overrideMaterialManager;r!==null?e!==null?e.setMaterial(r):this.overrideMaterialManager=new Wp(r):e!==null&&(e.dispose(),this.overrideMaterialManager=null)}getOverrideMaterial(){return this.overrideMaterial}setOverrideMaterial(r){this.overrideMaterial=r}get clear(){return this.clearPass.enabled}set clear(r){this.clearPass.enabled=r}getSelection(){return this.selection}setSelection(r){this.selection=r}isBackgroundDisabled(){return this.ignoreBackground}setBackgroundDisabled(r){this.ignoreBackground=r}isShadowMapDisabled(){return this.skipShadowMapUpdate}setShadowMapDisabled(r){this.skipShadowMapUpdate=r}getClearPass(){return this.clearPass}render(r,e,t,n,i){let s=this.scene,a=this.camera,o=this.selection,l=a.layers.mask,c=s.background,u=r.shadowMap.autoUpdate,h=this.renderToScreen?null:e;o!==null&&a.layers.set(o.getLayer()),this.skipShadowMapUpdate&&(r.shadowMap.autoUpdate=!1),(this.ignoreBackground||this.clearPass.overrideClearColor!==null)&&(s.background=null),this.clearPass.enabled&&this.clearPass.render(r,e),r.setRenderTarget(h),this.overrideMaterialManager!==null?this.overrideMaterialManager.render(r,s,a):r.render(s,a),a.layers.mask=l,s.background=c,r.shadowMap.autoUpdate=u}};var tM=new Float32Array([255/256/Qn(256,3),255/256/Qn(256,2),255/256/256,255/256]);function jp(r,e,t){for(let n of e){let i="$1"+r+n.charAt(0).toUpperCase()+n.slice(1),s=new RegExp("([^\\.])(\\b"+n+"\\b)","g");for(let a of t.entries())a[1]!==null&&t.set(a[0],a[1].replace(s,i))}}function sA(r,e,t){var n,i,s,a,o;let l=e.getFragmentShader(),c=e.getVertexShader(),u=l!==void 0&&/mainImage/.test(l),h=l!==void 0&&/mainUv/.test(l);if(t.attributes|=e.getAttributes(),l===void 0)throw new Error(`Missing fragment shader (${e.name})`);if(h&&(t.attributes&lr.CONVOLUTION)!=0)throw new Error(`Effects that transform UVs are incompatible with convolution effects (${e.name})`);if(!u&&!h)throw new Error(`Could not find mainImage or mainUv function (${e.name})`);{let d=/\w+\s+(\w+)\([\w\s,]*\)\s*{/g,f=t.shaderParts,p=(n=f.get(je.FRAGMENT_HEAD))!=null?n:"",v=(i=f.get(je.FRAGMENT_MAIN_UV))!=null?i:"",x=(s=f.get(je.FRAGMENT_MAIN_IMAGE))!=null?s:"",g=(a=f.get(je.VERTEX_HEAD))!=null?a:"",m=(o=f.get(je.VERTEX_MAIN_SUPPORT))!=null?o:"",b=new Set,y=new Set;if(h&&(v+=` ${r}MainUv(UV); -`,t.uvTransformation=!0),c!==null&&/mainSupport/.test(c)){let w=/mainSupport *\([\w\s]*?uv\s*?\)/.test(c);m+=` ${r}MainSupport(`,m+=w?`vUv); +}`,HM="uniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv;VERTEX_HEAD void main(){vUv=position.xy*0.5+0.5;VERTEX_MAIN_SUPPORT gl_Position=vec4(position.xy,1.0,1.0);}",zM=class extends Ke{constructor(r,e,t,i,n=!1){super({name:"EffectMaterial",defines:{THREE_REVISION:ji.replace(/\D+/g,""),DEPTH_PACKING:"0",ENCODE_OUTPUT:"1"},uniforms:{inputBuffer:new Ze(null),depthBuffer:new Ze(null),resolution:new Ze(new z),texelSize:new Ze(new z),cameraNear:new Ze(.3),cameraFar:new Ze(1e3),aspect:new Ze(1),time:new Ze(0)},blending:Dt,toneMapped:!1,depthWrite:!1,depthTest:!1,dithering:n});r&&this.setShaderParts(r),e&&this.setDefines(e),t&&this.setUniforms(t),this.copyCameraSettings(i)}set inputBuffer(r){this.uniforms.inputBuffer.value=r}setInputBuffer(r){this.uniforms.inputBuffer.value=r}get depthBuffer(){return this.uniforms.depthBuffer.value}set depthBuffer(r){this.uniforms.depthBuffer.value=r}get depthPacking(){return Number(this.defines.DEPTH_PACKING)}set depthPacking(r){this.defines.DEPTH_PACKING=r.toFixed(0),this.needsUpdate=!0}setDepthBuffer(r,e=Bi){this.depthBuffer=r,this.depthPacking=e}setShaderData(r){this.setShaderParts(r.shaderParts),this.setDefines(r.defines),this.setUniforms(r.uniforms),this.setExtensions(r.extensions)}setShaderParts(r){return this.fragmentShader=FM.replace(ot.FRAGMENT_HEAD,r.get(ot.FRAGMENT_HEAD)||"").replace(ot.FRAGMENT_MAIN_UV,r.get(ot.FRAGMENT_MAIN_UV)||"").replace(ot.FRAGMENT_MAIN_IMAGE,r.get(ot.FRAGMENT_MAIN_IMAGE)||""),this.vertexShader=HM.replace(ot.VERTEX_HEAD,r.get(ot.VERTEX_HEAD)||"").replace(ot.VERTEX_MAIN_SUPPORT,r.get(ot.VERTEX_MAIN_SUPPORT)||""),this.needsUpdate=!0,this}setDefines(r){for(let e of r.entries())this.defines[e[0]]=e[1];return this.needsUpdate=!0,this}setUniforms(r){for(let e of r.entries())this.uniforms[e[0]]=e[1];return this}setExtensions(r){this.extensions={};for(let e of r)this.extensions[e]=!0;return this}get encodeOutput(){return this.defines.ENCODE_OUTPUT!==void 0}set encodeOutput(r){this.encodeOutput!==r&&(r?this.defines.ENCODE_OUTPUT="1":delete this.defines.ENCODE_OUTPUT,this.needsUpdate=!0)}isOutputEncodingEnabled(r){return this.encodeOutput}setOutputEncodingEnabled(r){this.encodeOutput=r}get time(){return this.uniforms.time.value}set time(r){this.uniforms.time.value=r}setDeltaTime(r){this.uniforms.time.value+=r}adoptCameraSettings(r){this.copyCameraSettings(r)}copyCameraSettings(r){r&&(this.uniforms.cameraNear.value=r.near,this.uniforms.cameraFar.value=r.far,r instanceof Tt?this.defines.PERSPECTIVE_CAMERA="1":delete this.defines.PERSPECTIVE_CAMERA,this.needsUpdate=!0)}setSize(r,e){let t=this.uniforms;t.resolution.value.set(r,e),t.texelSize.value.set(1/r,1/e),t.aspect.value=r/e}static get Section(){return ot}};var aT=Number(ji.replace(/\D+/g,"")),is=255/256,oT=new Float32Array([is/rn(256,3),is/rn(256,2),is/256,is]),lT=new Float32Array([is,is/256,is/rn(256,2),1/rn(256,3)]);function lv(r,e,t){for(let i of e){let n="$1"+r+i.charAt(0).toUpperCase()+i.slice(1),s=new RegExp("([^\\.])(\\b"+i+"\\b)","g");for(let a of t.entries())a[1]!==null&&t.set(a[0],a[1].replace(s,n))}}function kM(r,e,t){let i=e.getFragmentShader(),n=e.getVertexShader(),s=i!==void 0&&/mainImage/.test(i),a=i!==void 0&&/mainUv/.test(i);if(t.attributes|=e.getAttributes(),i===void 0)throw new Error(`Missing fragment shader (${e.name})`);if(a&&(t.attributes&ts.CONVOLUTION)!=0)throw new Error(`Effects that transform UVs are incompatible with convolution effects (${e.name})`);if(!s&&!a)throw new Error(`Could not find mainImage or mainUv function (${e.name})`);{let o=/\w+\s+(\w+)\([\w\s,]*\)\s*{/g,l=t.shaderParts,c=l.get(ot.FRAGMENT_HEAD)||"",h=l.get(ot.FRAGMENT_MAIN_UV)||"",u=l.get(ot.FRAGMENT_MAIN_IMAGE)||"",d=l.get(ot.VERTEX_HEAD)||"",f=l.get(ot.VERTEX_MAIN_SUPPORT)||"",m=new Set,v=new Set;if(a&&(h+=` ${r}MainUv(UV); +`,t.uvTransformation=!0),n!==null&&/mainSupport/.test(n)){let y=/mainSupport *\([\w\s]*?uv\s*?\)/.test(n);f+=` ${r}MainSupport(`,f+=y?`vUv); `:`); -`;for(let D of c.matchAll(/(?:varying\s+\w+\s+([\S\s]*?);)/g))for(let I of D[1].split(/\s*,\s*/))t.varyings.add(I),b.add(I),y.add(I);for(let D of c.matchAll(d))y.add(D[1])}for(let w of l.matchAll(d))y.add(w[1]);for(let w of e.defines.keys())y.add(w.replace(/\([\w\s,]*\)/g,""));for(let w of e.uniforms.keys())y.add(w);y.delete("while"),y.delete("for"),y.delete("if"),e.uniforms.forEach((w,D)=>t.uniforms.set(r+D.charAt(0).toUpperCase()+D.slice(1),w)),e.defines.forEach((w,D)=>t.defines.set(r+D.charAt(0).toUpperCase()+D.slice(1),w));let E=new Map([["fragment",l],["vertex",c]]);jp(r,y,t.defines),jp(r,y,E),l=E.get("fragment"),c=E.get("vertex");let _=e.blendMode;if(t.blendModes.set(_.blendFunction,_),u){e.inputColorSpace!==null&&e.inputColorSpace!==t.colorSpace&&(x+=e.inputColorSpace===qe?`color0 = LinearTosRGB(color0); +`;for(let x of n.matchAll(/(?:varying\s+\w+\s+([\S\s]*?);)/g))for(let _ of x[1].split(/\s*,\s*/))t.varyings.add(_),m.add(_),v.add(_);for(let x of n.matchAll(o))v.add(x[1])}for(let y of i.matchAll(o))v.add(y[1]);for(let y of e.defines.keys())v.add(y.replace(/\([\w\s,]*\)/g,""));for(let y of e.uniforms.keys())v.add(y);v.delete("while"),v.delete("for"),v.delete("if"),e.uniforms.forEach((y,x)=>t.uniforms.set(r+x.charAt(0).toUpperCase()+x.slice(1),y)),e.defines.forEach((y,x)=>t.defines.set(r+x.charAt(0).toUpperCase()+x.slice(1),y));let g=new Map([["fragment",i],["vertex",n]]);lv(r,v,t.defines),lv(r,v,g),i=g.get("fragment"),n=g.get("vertex");let p=e.blendMode;if(t.blendModes.set(p.blendFunction,p),s){e.inputColorSpace!==null&&e.inputColorSpace!==t.colorSpace&&(u+=e.inputColorSpace===Oe?`color0 = sRGBTransferOETF(color0); `:`color0 = sRGBToLinear(color0); - `),e.outputColorSpace!==null?t.colorSpace=e.outputColorSpace:e.inputColorSpace!==null&&(t.colorSpace=e.inputColorSpace);let w=/MainImage *\([\w\s,]*?depth[\w\s,]*?\)/;x+=`${r}MainImage(color0, UV, `,(t.attributes&lr.DEPTH)!=0&&w.test(l)&&(x+="depth, ",t.readDepth=!0),x+=`color1); - `;let D=r+"BlendOpacity";t.uniforms.set(D,_.opacity),x+=`color0 = blend${_.blendFunction}(color0, color1, ${D}); + `),e.outputColorSpace!==di?t.colorSpace=e.outputColorSpace:e.inputColorSpace!==null&&(t.colorSpace=e.inputColorSpace);let y=/MainImage *\([\w\s,]*?depth[\w\s,]*?\)/;u+=`${r}MainImage(color0, UV, `,(t.attributes&ts.DEPTH)!=0&&y.test(i)&&(u+="depth, ",t.readDepth=!0),u+=`color1); + `;let x=r+"BlendOpacity";t.uniforms.set(x,p.opacity),u+=`color0 = blend${p.blendFunction}(color0, color1, ${x}); - `,p+=`uniform float ${D}; + `,c+=`uniform float ${x}; -`}if(p+=l+` -`,c!==null&&(g+=c+` -`),f.set(je.FRAGMENT_HEAD,p),f.set(je.FRAGMENT_MAIN_UV,v),f.set(je.FRAGMENT_MAIN_IMAGE,x),f.set(je.VERTEX_HEAD,g),f.set(je.VERTEX_MAIN_SUPPORT,m),e.extensions!==null)for(let w of e.extensions)t.extensions.add(w)}}var Xp=class extends wn{constructor(r,...e){super("EffectPass");this.fullscreenMaterial=new qb(null,null,null,r),this.listener=t=>this.handleEvent(t),this.effects=[],this.setEffects(e),this.skipRendering=!1,this.minTime=1,this.maxTime=Number.POSITIVE_INFINITY,this.timeScale=1}set mainScene(r){for(let e of this.effects)e.mainScene=r}set mainCamera(r){this.fullscreenMaterial.copyCameraSettings(r);for(let e of this.effects)e.mainCamera=r}get encodeOutput(){return this.fullscreenMaterial.encodeOutput}set encodeOutput(r){this.fullscreenMaterial.encodeOutput=r}get dithering(){return this.fullscreenMaterial.dithering}set dithering(r){let e=this.fullscreenMaterial;e.dithering=r,e.needsUpdate=!0}setEffects(r){for(let e of this.effects)e.removeEventListener("change",this.listener);this.effects=r.sort((e,t)=>t.attributes-e.attributes);for(let e of this.effects)e.addEventListener("change",this.listener)}updateMaterial(){let r=new dA,e=0;for(let a of this.effects)if(a.blendMode.blendFunction===Fe.DST)r.attributes|=a.getAttributes()&lr.DEPTH;else{if((r.attributes&a.getAttributes()&lr.CONVOLUTION)!=0)throw new Error(`Convolution effects cannot be merged (${a.name})`);sA("e"+e++,a,r)}let t=r.shaderParts.get(je.FRAGMENT_HEAD),n=r.shaderParts.get(je.FRAGMENT_MAIN_IMAGE),i=r.shaderParts.get(je.FRAGMENT_MAIN_UV),s=/\bblend\b/g;for(let a of r.blendModes.values())t+=a.getShaderCode().replace(s,`blend${a.blendFunction}`)+` -`;(r.attributes&lr.DEPTH)!=0?(r.readDepth&&(n=`float depth = readDepth(UV); +`}if(c+=i+` +`,n!==null&&(d+=n+` +`),l.set(ot.FRAGMENT_HEAD,c),l.set(ot.FRAGMENT_MAIN_UV,h),l.set(ot.FRAGMENT_MAIN_IMAGE,u),l.set(ot.VERTEX_HEAD,d),l.set(ot.VERTEX_MAIN_SUPPORT,f),e.extensions!==null)for(let y of e.extensions)t.extensions.add(y)}}var cv=class extends nn{constructor(r,...e){super("EffectPass");this.fullscreenMaterial=new zM(null,null,null,r),this.listener=t=>this.handleEvent(t),this.effects=[],this.setEffects(e),this.skipRendering=!1,this.minTime=1,this.maxTime=Number.POSITIVE_INFINITY,this.timeScale=1}set mainScene(r){for(let e of this.effects)e.mainScene=r}set mainCamera(r){this.fullscreenMaterial.copyCameraSettings(r);for(let e of this.effects)e.mainCamera=r}get encodeOutput(){return this.fullscreenMaterial.encodeOutput}set encodeOutput(r){this.fullscreenMaterial.encodeOutput=r}get dithering(){return this.fullscreenMaterial.dithering}set dithering(r){let e=this.fullscreenMaterial;e.dithering=r,e.needsUpdate=!0}setEffects(r){for(let e of this.effects)e.removeEventListener("change",this.listener);this.effects=r.sort((e,t)=>t.attributes-e.attributes);for(let e of this.effects)e.addEventListener("change",this.listener)}updateMaterial(){let r=new zE,e=0;for(let a of this.effects)if(a.blendMode.blendFunction===$e.DST)r.attributes|=a.getAttributes()&ts.DEPTH;else{if((r.attributes&a.getAttributes()&ts.CONVOLUTION)!=0)throw new Error(`Convolution effects cannot be merged (${a.name})`);kM("e"+e++,a,r)}let t=r.shaderParts.get(ot.FRAGMENT_HEAD),i=r.shaderParts.get(ot.FRAGMENT_MAIN_IMAGE),n=r.shaderParts.get(ot.FRAGMENT_MAIN_UV),s=/\bblend\b/g;for(let a of r.blendModes.values())t+=a.getShaderCode().replace(s,`blend${a.blendFunction}`)+` +`;(r.attributes&ts.DEPTH)!=0?(r.readDepth&&(i=`float depth = readDepth(UV); - `+n),this.needsDepthTexture=this.getDepthTexture()===null):this.needsDepthTexture=!1,r.colorSpace===qe&&(n+=`color0 = sRGBToLinear(color0); - `),r.uvTransformation?(i=`vec2 transformedUv = vUv; -`+i,r.defines.set("UV","transformedUv")):r.defines.set("UV","vUv"),r.shaderParts.set(je.FRAGMENT_HEAD,t),r.shaderParts.set(je.FRAGMENT_MAIN_IMAGE,n),r.shaderParts.set(je.FRAGMENT_MAIN_UV,i),r.shaderParts.forEach((a,o,l)=>l.set(o,a==null?void 0:a.trim().replace(/^#/,` -#`))),this.skipRendering=e===0,this.needsSwap=!this.skipRendering,this.fullscreenMaterial.setShaderData(r)}recompile(){this.updateMaterial()}getDepthTexture(){return this.fullscreenMaterial.depthBuffer}setDepthTexture(r,e=cn){this.fullscreenMaterial.depthBuffer=r,this.fullscreenMaterial.depthPacking=e;for(let t of this.effects)t.setDepthTexture(r,e)}render(r,e,t,n,i){for(let s of this.effects)s.update(r,e,n);if(!this.skipRendering||this.renderToScreen){let s=this.fullscreenMaterial;s.inputBuffer=e.texture,s.time+=n*this.timeScale,r.setRenderTarget(this.renderToScreen?null:t),r.render(this.scene,this.camera)}}setSize(r,e){this.fullscreenMaterial.setSize(r,e);for(let t of this.effects)t.setSize(r,e)}initialize(r,e,t){this.renderer=r;for(let n of this.effects)n.initialize(r,e,t);this.updateMaterial(),t!==void 0&&t!==lt&&(this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH="1")}dispose(){super.dispose();for(let r of this.effects)r.removeEventListener("change",this.listener),r.dispose()}handleEvent(r){switch(r.type){case"change":this.recompile();break}}};var aA=class extends wn{constructor({kernelSize:r=vu.MEDIUM,resolutionScale:e=.5,width:t=Cn.AUTO_SIZE,height:n=Cn.AUTO_SIZE,resolutionX:i=t,resolutionY:s=n}={}){super("KawaseBlurPass");this.renderTargetA=new We(1,1,{depthBuffer:!1}),this.renderTargetA.texture.name="Blur.Target.A",this.renderTargetB=this.renderTargetA.clone(),this.renderTargetB.texture.name="Blur.Target.B";let a=this.resolution=new Cn(this,i,s,e);a.addEventListener("change",o=>this.setSize(a.baseWidth,a.baseHeight)),this._blurMaterial=new kb,this._blurMaterial.kernelSize=r,this.copyMaterial=new Gp}getResolution(){return this.resolution}get blurMaterial(){return this._blurMaterial}set blurMaterial(r){this._blurMaterial=r}get dithering(){return this.copyMaterial.dithering}set dithering(r){this.copyMaterial.dithering=r}get kernelSize(){return this.blurMaterial.kernelSize}set kernelSize(r){this.blurMaterial.kernelSize=r}get width(){return this.resolution.width}set width(r){this.resolution.preferredWidth=r}get height(){return this.resolution.height}set height(r){this.resolution.preferredHeight=r}get scale(){return this.blurMaterial.scale}set scale(r){this.blurMaterial.scale=r}getScale(){return this.blurMaterial.scale}setScale(r){this.blurMaterial.scale=r}getKernelSize(){return this.kernelSize}setKernelSize(r){this.kernelSize=r}getResolutionScale(){return this.resolution.scale}setResolutionScale(r){this.resolution.scale=r}render(r,e,t,n,i){let s=this.scene,a=this.camera,o=this.renderTargetA,l=this.renderTargetB,c=this.blurMaterial,u=c.kernelSequence,h=e;this.fullscreenMaterial=c;for(let d=0,f=u.length;dthis.setSize(l.baseWidth,l.baseHeight))}get texture(){return this.renderTarget.texture}getTexture(){return this.renderTarget.texture}getResolution(){return this.resolution}render(r,e,t,n,i){let s=this.fullscreenMaterial;s.inputBuffer=e.texture,r.setRenderTarget(this.renderToScreen?null:this.renderTarget),r.render(this.scene,this.camera)}setSize(r,e){let t=this.resolution;t.setBaseSize(r,e),this.renderTarget.setSize(t.width,t.height)}initialize(r,e,t){t!==void 0&&t!==lt&&(this.renderTarget.texture.type=t,this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH="1")}},lA=class extends wn{constructor(r,e){super("MaskPass",r,e);this.needsSwap=!1,this.clearPass=new Vp(!1,!1,!0),this.inverse=!1}set mainScene(r){this.scene=r}set mainCamera(r){this.camera=r}get inverted(){return this.inverse}set inverted(r){this.inverse=r}get clear(){return this.clearPass.enabled}set clear(r){this.clearPass.enabled=r}getClearPass(){return this.clearPass}isInverted(){return this.inverted}setInverted(r){this.inverted=r}render(r,e,t,n,i){let s=r.getContext(),a=r.state.buffers,o=this.scene,l=this.camera,c=this.clearPass,u=this.inverted?0:1,h=1-u;a.color.setMask(!1),a.depth.setMask(!1),a.color.setLocked(!0),a.depth.setLocked(!0),a.stencil.setTest(!0),a.stencil.setOp(s.REPLACE,s.REPLACE,s.REPLACE),a.stencil.setFunc(s.ALWAYS,u,4294967295),a.stencil.setClear(h),a.stencil.setLocked(!0),this.clearPass.enabled&&(this.renderToScreen?c.render(r,null):(c.render(r,e),c.render(r,t))),this.renderToScreen?(r.setRenderTarget(null),r.render(o,l)):(r.setRenderTarget(e),r.render(o,l),r.setRenderTarget(t),r.render(o,l)),a.color.setLocked(!1),a.depth.setLocked(!1),a.stencil.setLocked(!1),a.stencil.setFunc(s.EQUAL,1,4294967295),a.stencil.setOp(s.KEEP,s.KEEP,s.KEEP),a.stencil.setLocked(!0)}},cA=class extends wn{constructor(){super("MipmapBlurPass");this.needsSwap=!1,this.renderTarget=new We(1,1,{depthBuffer:!1}),this.renderTarget.texture.name="Upsampling.Mipmap0",this.downsamplingMipmaps=[],this.upsamplingMipmaps=[],this.downsamplingMaterial=new jb,this.upsamplingMaterial=new eA,this.resolution=new O}get texture(){return this.renderTarget.texture}get levels(){return this.downsamplingMipmaps.length}set levels(r){if(this.levels!==r){let e=this.renderTarget;this.dispose(),this.downsamplingMipmaps=[],this.upsamplingMipmaps=[];for(let t=0;t=0;--d){let f=u[d];l.setSize(h.width,h.height),l.inputBuffer=h.texture,l.supportBuffer=c[d].texture,r.setRenderTarget(f),r.render(s,a),h=f}}setSize(r,e){let t=this.resolution;t.set(r,e);let n=t.width,i=t.height;for(let s=0,a=this.downsamplingMipmaps.length;s0&&r>0?(this.inputBuffer.samples=r,this.outputBuffer.samples=r,this.inputBuffer.dispose(),this.outputBuffer.dispose()):t!==r&&(this.inputBuffer.dispose(),this.outputBuffer.dispose(),this.inputBuffer=this.createBuffer(e.depthBuffer,e.stencilBuffer,e.texture.type,r),this.inputBuffer.depthTexture=this.depthTexture,this.outputBuffer=this.inputBuffer.clone())}getTimer(){return this.timer}getRenderer(){return this.renderer}setRenderer(r){if(this.renderer=r,r!==null){let e=r.getSize(new O),t=r.getContext().getContextAttributes().alpha,n=this.inputBuffer.texture.type;n===lt&&r.outputEncoding===qe&&(this.inputBuffer.texture.encoding=qe,this.outputBuffer.texture.encoding=qe,this.inputBuffer.dispose(),this.outputBuffer.dispose()),r.autoClear=!1,this.setSize(e.width,e.height);for(let i of this.passes)i.initialize(r,t,n)}}replaceRenderer(r,e=!0){let t=this.renderer,n=t.domElement.parentNode;return this.setRenderer(r),e&&n!==null&&(n.removeChild(t.domElement),n.appendChild(r.domElement)),t}createDepthTexture(){let r=this.depthTexture=new ui;return this.inputBuffer.depthTexture=r,this.inputBuffer.dispose(),this.inputBuffer.stencilBuffer?(r.format=Ln,r.type=Pn):r.type=Li,r}deleteDepthTexture(){if(this.depthTexture!==null){this.depthTexture.dispose(),this.depthTexture=null,this.inputBuffer.depthTexture=null,this.inputBuffer.dispose();for(let r of this.passes)r.setDepthTexture(null)}}createBuffer(r,e,t,n){let i=this.renderer,s=i===null?new O:i.getDrawingBufferSize(new O),a={minFilter:et,magFilter:et,stencilBuffer:e,depthBuffer:r,type:t},o;return n>0?(o=Number(bn.replace(/\D+/g,""))<138?new Ni(s.width,s.height,a):new We(s.width,s.height,a),o.ignoreDepthForMultisampleCopy=!1,o.samples=n):o=new We(s.width,s.height,a),t===lt&&i!==null&&i.outputEncoding===qe&&(o.texture.encoding=qe),o.texture.name="EffectComposer.Buffer",o.texture.generateMipmaps=!1,o}setMainScene(r){for(let e of this.passes)e.mainScene=r}setMainCamera(r){for(let e of this.passes)e.mainCamera=r}addPass(r,e){let t=this.passes,n=this.renderer,i=n.getDrawingBufferSize(new O),s=n.getContext().getContextAttributes().alpha,a=this.inputBuffer.texture.type;if(r.setRenderer(n),r.setSize(i.width,i.height),r.initialize(n,s,a),this.autoRenderToScreen&&(t.length>0&&(t[t.length-1].renderToScreen=!1),r.renderToScreen&&(this.autoRenderToScreen=!1)),e!==void 0?t.splice(e,0,r):t.push(r),this.autoRenderToScreen&&(t[t.length-1].renderToScreen=!0),r.needsDepthTexture||this.depthTexture!==null)if(this.depthTexture===null){let o=this.createDepthTexture();for(r of t)r.setDepthTexture(o)}else r.setDepthTexture(this.depthTexture)}removePass(r){let e=this.passes,t=e.indexOf(r);if(t!==-1&&e.splice(t,1).length>0){if(this.depthTexture!==null){let s=(o,l)=>o||l.needsDepthTexture;e.reduce(s,!1)||(r.getDepthTexture()===this.depthTexture&&r.setDepthTexture(null),this.deleteDepthTexture())}this.autoRenderToScreen&&t===e.length&&(r.renderToScreen=!1,e.length>0&&(e[e.length-1].renderToScreen=!0))}}removeAllPasses(){let r=this.passes;this.deleteDepthTexture(),r.length>0&&(this.autoRenderToScreen&&(r[r.length-1].renderToScreen=!1),this.passes=[])}render(r){let e=this.renderer,t=this.copyPass,n=this.inputBuffer,i=this.outputBuffer,s=!1,a,o,l;r===void 0&&(r=this.timer.update().getDelta());for(let c of this.passes)c.enabled&&(c.render(e,n,i,r,s),c.needsSwap&&(s&&(t.renderToScreen=c.renderToScreen,a=e.getContext(),o=e.state.buffers.stencil,o.setFunc(a.NOTEQUAL,1,4294967295),t.render(e,n,i,r,s),o.setFunc(a.EQUAL,1,4294967295)),l=n,n=i,i=l),c instanceof lA?s=!0:c instanceof rA&&(s=!1))}setSize(r,e,t){let n=this.renderer,i=n.getSize(new O);(r===void 0||e===void 0)&&(r=i.width,e=i.height),(i.width!==r||i.height!==e)&&n.setSize(r,e,t);let s=n.getDrawingBufferSize(new O);this.inputBuffer.setSize(s.width,s.height),this.outputBuffer.setSize(s.width,s.height);for(let a of this.passes)a.setSize(s.width,s.height)}reset(){let r=this.timer.isAutoResetEnabled();this.dispose(),this.autoRenderToScreen=!0,this.timer.setAutoResetEnabled(r)}dispose(){for(let r of this.passes)r.dispose();this.passes=[],this.inputBuffer!==null&&this.inputBuffer.dispose(),this.outputBuffer!==null&&this.outputBuffer.dispose(),this.deleteDepthTexture(),this.copyPass.dispose(),this.timer.dispose()}},dA=class{constructor(){this.shaderParts=new Map([[je.FRAGMENT_HEAD,null],[je.FRAGMENT_MAIN_UV,null],[je.FRAGMENT_MAIN_IMAGE,null],[je.VERTEX_HEAD,null],[je.VERTEX_MAIN_SUPPORT,null]]),this.defines=new Map,this.uniforms=new Map,this.blendModes=new Map,this.extensions=new Set,this.attributes=lr.NONE,this.varyings=new Set,this.uvTransformation=!1,this.readDepth=!1,this.colorSpace=ft}};var fA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x+y,opacity);}",pA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y,min(y.a,opacity));}",mA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,(x+y)*0.5,opacity);}",gA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(yHSL.rg,xHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}",vA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(step(0.0,y)*(1.0-min(vec4(1.0),(1.0-x)/y)),vec4(1.0),step(1.0,x));return mix(x,z,opacity);}",xA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=step(0.0,x)*mix(min(vec4(1.0),x/max(1.0-y,1e-9)),vec4(1.0),step(1.0,y));return mix(x,z,opacity);}",yA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,min(x,y),opacity);}",wA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,abs(x-y),opacity);}",bA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x/max(y,1e-12),opacity);}",AA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,(x+y-2.0*x*y),opacity);}",EA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 a=min(x,1.0),b=min(y,1.0);vec4 z=mix(2.0*a*b,1.0-2.0*(1.0-a)*(1.0-b),step(0.5,y));return mix(x,z,opacity);}",MA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,step(1.0,x+y),opacity);}",SA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(yHSL.r,xHSL.gb));return vec4(mix(x.rgb,z,opacity),y.a);}",_A="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,1.0-y,opacity);}",TA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y*(1.0-x),opacity);}",CA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,max(x,y),opacity);}",DA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,clamp(y+x-1.0,0.0,1.0),opacity);}",RA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,min(x+y,1.0),opacity);}",PA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,clamp(2.0*y+x-1.0,0.0,1.0),opacity);}",LA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(xHSL.rg,yHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}",IA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x*y,opacity);}",BA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,1.0-abs(1.0-x-y),opacity);}",UA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y,opacity);}",FA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(2.0*y*x,1.0-2.0*(1.0-y)*(1.0-x),step(0.5,x));return mix(x,z,opacity);}",OA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 y2=2.0*y;vec4 z=mix(mix(y2,x,step(0.5*x,y)),max(vec4(0.0),y2-1.0),step(x,(y2-1.0)));return mix(x,z,opacity);}",NA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(min(x*x/max(1.0-y,1e-12),1.0),y,step(1.0,y));return mix(x,z,opacity);}",HA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(xHSL.r,yHSL.g,xHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}",zA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x+y-min(x*y,1.0),opacity);}",GA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 y2=2.0*y;vec4 w=step(0.5,y);vec4 z=mix(x-(1.0-y2)*x*(1.0-x),mix(x+(y2-1.0)*(sqrt(x)-x),x+(y2-1.0)*x*((16.0*x-12.0)*x+3.0),w*(1.0-step(0.25,x))),w);return mix(x,z,opacity);}",kA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return y;}",VA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,max(x+y-1.0,0.0),opacity);}",WA="vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(max(1.0-min((1.0-x)/(2.0*y),1.0),0.0),min(x/(2.0*(1.0-y)),1.0),step(0.5,y));return mix(x,z,opacity);}",YA=new Map([[Fe.ADD,fA],[Fe.ALPHA,pA],[Fe.AVERAGE,mA],[Fe.COLOR,gA],[Fe.COLOR_BURN,vA],[Fe.COLOR_DODGE,xA],[Fe.DARKEN,yA],[Fe.DIFFERENCE,wA],[Fe.DIVIDE,bA],[Fe.DST,null],[Fe.EXCLUSION,AA],[Fe.HARD_LIGHT,EA],[Fe.HARD_MIX,MA],[Fe.HUE,SA],[Fe.INVERT,_A],[Fe.INVERT_RGB,TA],[Fe.LIGHTEN,CA],[Fe.LINEAR_BURN,DA],[Fe.LINEAR_DODGE,RA],[Fe.LINEAR_LIGHT,PA],[Fe.LUMINOSITY,LA],[Fe.MULTIPLY,IA],[Fe.NEGATION,BA],[Fe.NORMAL,UA],[Fe.OVERLAY,FA],[Fe.PIN_LIGHT,OA],[Fe.REFLECT,NA],[Fe.SATURATION,HA],[Fe.SCREEN,zA],[Fe.SOFT_LIGHT,GA],[Fe.SRC,kA],[Fe.SUBTRACT,VA],[Fe.VIVID_LIGHT,WA]]),jA=class extends Pt{constructor(r,e=1){super();this._blendFunction=r,this.opacity=new De(e)}getOpacity(){return this.opacity.value}setOpacity(r){this.opacity.value=r}get blendFunction(){return this._blendFunction}set blendFunction(r){this._blendFunction=r,this.dispatchEvent({type:"change"})}getBlendFunction(){return this.blendFunction}setBlendFunction(r){this.blendFunction=r}getShaderCode(){return YA.get(this.blendFunction)}},XA=class extends Pt{constructor(r,e,{attributes:t=lr.NONE,blendFunction:n=Fe.NORMAL,defines:i=new Map,uniforms:s=new Map,extensions:a=null,vertexShader:o=null}={}){super();this.name=r,this.renderer=null,this.attributes=t,this.fragmentShader=e,this.vertexShader=o,this.defines=i,this.uniforms=s,this.extensions=a,this.blendMode=new jA(n),this.blendMode.addEventListener("change",l=>this.setChanged()),this._inputColorSpace=ft,this._outputColorSpace=null}get inputColorSpace(){return this._inputColorSpace}set inputColorSpace(r){this._inputColorSpace=r,this.setChanged()}get outputColorSpace(){return this._outputColorSpace}set outputColorSpace(r){this._outputColorSpace=r,this.setChanged()}set mainScene(r){}set mainCamera(r){}getName(){return this.name}setRenderer(r){this.renderer=r}getDefines(){return this.defines}getUniforms(){return this.uniforms}getExtensions(){return this.extensions}getBlendMode(){return this.blendMode}getAttributes(){return this.attributes}setAttributes(r){this.attributes=r,this.setChanged()}getFragmentShader(){return this.fragmentShader}setFragmentShader(r){this.fragmentShader=r,this.setChanged()}getVertexShader(){return this.vertexShader}setVertexShader(r){this.vertexShader=r,this.setChanged()}setChanged(){this.dispatchEvent({type:"change"})}setDepthTexture(r,e=cn){}update(r,e,t){}setSize(r,e){}initialize(r,e,t){}dispose(){for(let r of Object.keys(this)){let e=this[r];(e instanceof We||e instanceof tt||e instanceof ot||e instanceof wn)&&this[r].dispose()}}},QA=`#ifdef FRAMEBUFFER_PRECISION_HIGH -uniform mediump sampler2D map; -#else -uniform lowp sampler2D map; -#endif -uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=texture2D(map,uv)*intensity;}`,qp=class extends XA{constructor({blendFunction:r=Fe.SCREEN,luminanceThreshold:e=.9,luminanceSmoothing:t=.025,mipmapBlur:n=!1,intensity:i=1,radius:s=.85,levels:a=8,kernelSize:o=vu.LARGE,resolutionScale:l=.5,width:c=Cn.AUTO_SIZE,height:u=Cn.AUTO_SIZE,resolutionX:h=c,resolutionY:d=u}={}){super("BloomEffect",QA,{blendFunction:r,uniforms:new Map([["map",new De(null)],["intensity",new De(i)]])});this.renderTarget=new We(1,1,{depthBuffer:!1}),this.renderTarget.texture.name="Bloom.Target",this.blurPass=new aA({kernelSize:o}),this.luminancePass=new oA({colorOutput:!0}),this.luminanceMaterial.threshold=e,this.luminanceMaterial.smoothing=t,this.mipmapBlurPass=new cA,this.mipmapBlurPass.enabled=n,this.mipmapBlurPass.radius=s,this.mipmapBlurPass.levels=a,this.uniforms.get("map").value=n?this.mipmapBlurPass.texture:this.renderTarget.texture;let f=this.resolution=new Cn(this,h,d,l);f.addEventListener("change",p=>this.setSize(f.baseWidth,f.baseHeight))}get texture(){return this.mipmapBlurPass.enabled?this.mipmapBlurPass.texture:this.renderTarget.texture}getTexture(){return this.texture}getResolution(){return this.resolution}getBlurPass(){return this.blurPass}getLuminancePass(){return this.luminancePass}get luminanceMaterial(){return this.luminancePass.fullscreenMaterial}getLuminanceMaterial(){return this.luminancePass.fullscreenMaterial}get width(){return this.resolution.width}set width(r){this.resolution.preferredWidth=r}get height(){return this.resolution.height}set height(r){this.resolution.preferredHeight=r}get dithering(){return this.blurPass.dithering}set dithering(r){this.blurPass.dithering=r}get kernelSize(){return this.blurPass.kernelSize}set kernelSize(r){this.blurPass.kernelSize=r}get distinction(){return console.warn(this.name,"distinction was removed"),1}set distinction(r){console.warn(this.name,"distinction was removed")}get intensity(){return this.uniforms.get("intensity").value}set 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+`+n,r.defines.set("UV","transformedUv")):r.defines.set("UV","vUv"),r.shaderParts.set(ot.FRAGMENT_HEAD,t),r.shaderParts.set(ot.FRAGMENT_MAIN_IMAGE,i),r.shaderParts.set(ot.FRAGMENT_MAIN_UV,n);for(let[a,o]of r.shaderParts)o!==null&&r.shaderParts.set(a,o.trim().replace(/^#/,` +#`));this.skipRendering=e===0,this.needsSwap=!this.skipRendering,this.fullscreenMaterial.setShaderData(r)}recompile(){this.updateMaterial()}getDepthTexture(){return this.fullscreenMaterial.depthBuffer}setDepthTexture(r,e=Bi){this.fullscreenMaterial.depthBuffer=r,this.fullscreenMaterial.depthPacking=e;for(let t of this.effects)t.setDepthTexture(r,e)}render(r,e,t,i,n){for(let s of this.effects)s.update(r,e,i);if(!this.skipRendering||this.renderToScreen){let s=this.fullscreenMaterial;s.inputBuffer=e.texture,s.time+=i*this.timeScale,r.setRenderTarget(this.renderToScreen?null:t),r.render(this.scene,this.camera)}}setSize(r,e){this.fullscreenMaterial.setSize(r,e);for(let t of this.effects)t.setSize(r,e)}initialize(r,e,t){this.renderer=r;for(let i of this.effects)i.initialize(r,e,t);this.updateMaterial(),t!==void 0&&t!==bt&&(this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH="1")}dispose(){super.dispose();for(let r of this.effects)r.removeEventListener("change",this.listener),r.dispose()}handleEvent(r){switch(r.type){case"change":this.recompile();break}}};var hT=[new Float32Array(3),new Float32Array(3)],uT=[new Float32Array(3),new Float32Array(3),new Float32Array(3),new Float32Array(3)],dT=[[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([0,1,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([0,1,1]),new Float32Array([1,1,1])]];var fT=[new Float32Array(2),new Float32Array(2)];var pT=new Float32Array([0,-.25,.25,-.125,.125,-.375,.375]),mT=[new Float32Array([0,0]),new Float32Array([.25,-.25]),new Float32Array([-.25,.25]),new Float32Array([.125,-.125]),new Float32Array([-.125,.125])],gT=[new Uint8Array([0,0]),new Uint8Array([3,0]),new Uint8Array([0,3]),new Uint8Array([3,3]),new Uint8Array([1,0]),new Uint8Array([4,0]),new Uint8Array([1,3]),new Uint8Array([4,3]),new Uint8Array([0,1]),new Uint8Array([3,1]),new Uint8Array([0,4]),new Uint8Array([3,4]),new Uint8Array([1,1]),new Uint8Array([4,1]),new Uint8Array([1,4]),new Uint8Array([4,4])],vT=[new Uint8Array([0,0]),new Uint8Array([1,0]),new Uint8Array([0,2]),new Uint8Array([1,2]),new Uint8Array([2,0]),new Uint8Array([3,0]),new Uint8Array([2,2]),new Uint8Array([3,2]),new Uint8Array([0,1]),new Uint8Array([1,1]),new Uint8Array([0,3]),new Uint8Array([1,3]),new Uint8Array([2,1]),new Uint8Array([3,1]),new Uint8Array([2,3]),new Uint8Array([3,3])];var xT=new Map([[ri(0,0,0,0),new Float32Array([0,0,0,0])],[ri(0,0,0,1),new Float32Array([0,0,0,1])],[ri(0,0,1,0),new Float32Array([0,0,1,0])],[ri(0,0,1,1),new Float32Array([0,0,1,1])],[ri(0,1,0,0),new Float32Array([0,1,0,0])],[ri(0,1,0,1),new Float32Array([0,1,0,1])],[ri(0,1,1,0),new Float32Array([0,1,1,0])],[ri(0,1,1,1),new Float32Array([0,1,1,1])],[ri(1,0,0,0),new Float32Array([1,0,0,0])],[ri(1,0,0,1),new Float32Array([1,0,0,1])],[ri(1,0,1,0),new Float32Array([1,0,1,0])],[ri(1,0,1,1),new Float32Array([1,0,1,1])],[ri(1,1,0,0),new Float32Array([1,1,0,0])],[ri(1,1,0,1),new Float32Array([1,1,0,1])],[ri(1,1,1,0),new Float32Array([1,1,1,0])],[ri(1,1,1,1),new Float32Array([1,1,1,1])]]);function Rf(r,e,t){return r+(e-r)*t}function ri(r,e,t,i){let n=Rf(r,e,1-.25),s=Rf(t,i,1-.25);return Rf(n,s,1-.125)}function hv(){return` + uniform sampler2D tex; + + in vec3 vColor; void main() { - gl_FragColor = vec4(vColor, 1.0) * texture2D(texture, gl_PointCoord); + gl_FragColor = vec4(vColor, 1.0) * texture(tex, gl_PointCoord); } - `}function Jp(){return` - attribute vec3 fuzzColor; - attribute vec3 origin; - varying vec3 vColor; - - attribute float size; - - attribute float a; - attribute float e; - attribute float i; - attribute float om; - attribute float wBar; - attribute float M; + `}function uv(){return` + in vec3 fuzzColor; + in vec3 origin; + + in float visible; + in float size; + + in float a; + in float e; + in float i; + in float om; + in float wBar; + in float M; // Perihelion distance - attribute float q; + in float q; // CPU-computed term for parabolic orbits - attribute float a0; - - // COSH Function (Hyperbolic Cosine) - float cosh(float val) { - float tmp = exp(val); - float cosH = (tmp + 1.0 / tmp) / 2.0; - return cosH; - } + in float a0; - // TANH Function (Hyperbolic Tangent) - float tanh(float val) { - float tmp = exp(val); - float tanH = (tmp - 1.0 / tmp) / (tmp + 1.0 / tmp); - return tanH; - } - - // SINH Function (Hyperbolic Sine) - float sinh(float val) { - float tmp = exp(val); - float sinH = (tmp - 1.0 / tmp) / 2.0; - return sinH; - } + out vec3 vColor; // Cube root helper that assumes param is positive float cbrt(float x) { @@ -3347,7 +4007,7 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv float F = F0; float v = 2.0 * atan(sqrt((e + 1.0) / (e - 1.0))) * tanh(F / 2.0); - float r = ${hu().toFixed(1)} * (a * (1.0 - e * e)) / (1.0 + e * cos(v)); + float r = ${_f().toFixed(1)} * (a * (1.0 - e * e)) / (1.0 + e * cos(v)); // Compute heliocentric coords. float i_rad = i; @@ -3384,7 +4044,7 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv float v = 2.0 * atan(sqrt((1.0+e)/(1.0-e)) * tan(E/2.0)); // Compute radius vector. - float r = ${hu().toFixed(1)} * a * (1.0 - e * e) / (1.0 + e * cos(v)); + float r = ${_f().toFixed(1)} * a * (1.0 - e * e) / (1.0 + e * cos(v)); // Compute heliocentric coords. float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad)); @@ -3407,19 +4067,19 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv vec3 newpos = getPos() + origin; vec4 mvPosition = modelViewMatrix * vec4(newpos, 1.0); + gl_PointSize = visible > 0.5 ? size : 0.0; gl_Position = projectionMatrix * mvPosition; - gl_PointSize = size; } - `}var Jo=` - varying vec3 vColor; - + `}var _h=` + in vec3 vColor; + void main() { float a = 1.0 - 2.0 * length(gl_PointCoord - vec2(0.5, 0.5)); gl_FragColor = vec4(vColor, a); } -`,Ko=` - attribute float size; - varying vec3 vColor; +`,yh=` + in float size; + out vec3 vColor; void main() { vColor = color; @@ -3427,15 +4087,15 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv gl_PointSize = size; gl_Position = projectionMatrix * mvPosition; } -`;var Kp=` +`;var dv=` uniform vec3 lightPos; - varying vec2 vUv; - varying vec3 vecPos; - varying vec3 vecNormal; + out vec2 vUv; + out vec3 vecPos; + out vec3 vecNormal; //varying vec3 vNormal; - varying vec3 vViewLightPos; + out vec3 vViewLightPos; void main() { //vNormal = normalize(normalMatrix * normal); @@ -3452,15 +4112,15 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz; gl_Position = projectionMatrix * vec4(vecPos, 1.0); } -`,$p=` +`,fv=` uniform float c; uniform float p; uniform vec3 color; - varying vec2 vUv; - varying vec3 vecPos; - varying vec3 vecNormal; - varying vec3 vViewLightPos; + in vec2 vUv; + in vec3 vecPos; + in vec3 vecNormal; + in vec3 vViewLightPos; void main() { float intensity = pow(c - dot(vecNormal, vec3(0.0, 0.0, 1.0)), p); @@ -3473,13 +4133,13 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv gl_FragColor = vec4(color, 1.0) * intensity * addedLights; } -`,em=` +`,pv=` uniform vec3 lightPos; - varying vec2 vUv; - varying vec3 vViewPosition; - varying vec3 vViewLightPos; - varying vec3 vNormal; + out vec2 vUv; + out vec3 vNormal; + out vec3 vViewPosition; + out vec3 vViewLightPos; void main() { vUv = uv; @@ -3490,24 +4150,24 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv gl_Position = projectionMatrix * vViewPosition4; } -`,tm=` - uniform sampler2D sphereTexture; +`,mv=` + uniform sampler2D sphereTex; - varying vec2 vUv; - varying vec3 vNormal; - varying vec3 vViewPosition; - varying vec3 vViewLightPos; + in vec2 vUv; + in vec3 vNormal; + in vec3 vViewPosition; + in vec3 vViewLightPos; void main() { vec3 normal = normalize(vNormal); vec3 lightDir = normalize(vViewLightPos - vViewPosition); float lambertian = max(dot(normal, lightDir), 0.0); - gl_FragColor = texture2D(sphereTexture, vUv) * vec4(vec3(1.0) * lambertian, 1.0); + gl_FragColor = texture(sphereTex, vUv) * vec4(vec3(1.0) * lambertian, 1.0); } -`,nm=` - varying vec3 vPos; - varying vec3 vWorldPosition; - varying vec3 vNormal; +`,gv=` + out vec3 vPos; + out vec3 vWorldPosition; + out vec3 vNormal; void main() { vPos = position; @@ -3517,15 +4177,15 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv vNormal = normalMatrix * normal; vWorldPosition = worldPosition.xyz; } -`,im=` - uniform sampler2D ringTexture; +`,vv=` + uniform sampler2D ringTex; uniform float innerRadius; uniform float outerRadius; uniform vec3 lightPos; - varying vec3 vNormal; - varying vec3 vPos; - varying vec3 vWorldPosition; + in vec3 vNormal; + in vec3 vPos; + in vec3 vWorldPosition; vec4 color() { vec2 uv = vec2(0); @@ -3534,7 +4194,7 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv discard; } - vec4 pixel = texture2D(ringTexture, uv); + vec4 pixel = texture(ringTex, uv); return pixel; } @@ -3570,20 +4230,20 @@ uniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv // https://github.com/typpo/spacekit/issues/22 gl_FragColor = vec4(lights() * shadow(), 1.0) * color(); } -`;var qA=4096;function rm(r,e){let t=e-r.get("epoch");return r.get("ma")+r.get("n")*t}var ZA=.01720209895;function sm(r,e){let t=r.get("tp"),n=r.get("e"),i=r.get("q"),s=e-t;return .75*s*ZA*Math.sqrt((1+n)/(i*i*i))}var cr=class{constructor(e,t){if(this.options=e,this.id=`KeplerParticles__${cr.instanceCount}`,this.simulation=t,this.context=t.getContext(),this.addedToScene=!1,this.particleCount=0,!this.options.textureUrl)throw new Error("ParticleSystem requires textureUrl to be set");let n=Dp(this.options.textureUrl,this.context.options.basePath);this.uniforms={texture:{value:n}};let i=this.options.maxNumParticles||qA;this.elements=[],this.attributes={size:new pe(new Float32Array(i),1),origin:new pe(new Float32Array(i*3),3),position:new pe(new Float32Array(i*3),3),fuzzColor:new pe(new Float32Array(i*3),3),a:new pe(new Float32Array(i),1),e:new pe(new Float32Array(i),1),i:new pe(new Float32Array(i),1),om:new pe(new Float32Array(i),1),ma:new pe(new Float32Array(i),1),n:new pe(new Float32Array(i),1),w:new pe(new Float32Array(i),1),wBar:new pe(new Float32Array(i),1),q:new pe(new Float32Array(i),1),M:new pe(new Float32Array(i),1),a0:new pe(new Float32Array(i),1)},this.attributes.M.setUsage(In),this.attributes.a0.setUsage(In);let s=new de;s.setDrawRange(0,0),Object.keys(this.attributes).forEach(o=>{let l=this.attributes[o];s.setAttribute(o,l)});let a=new Ye({uniforms:this.uniforms,vertexShader:Jp(),fragmentShader:Zp(),depthTest:!0,depthWrite:!1,transparent:!0});this.shaderMaterial=a,this.geometry=s,this.particleSystem=new Ot(s,a)}addParticle(e,t={}){this.elements.push(e);let n=this.attributes,i=this.particleCount++;n.size.set([t.particleSize||this.options.defaultSize||15],i);let s=new $(t.color||16777215);n.fuzzColor.set([s.r,s.g,s.b],i*3),n.origin.set([0,0,0],i*3),n.a.set([e.get("a")],i),n.e.set([e.get("e")],i),n.i.set([e.get("i","rad")],i),n.om.set([e.get("om","rad")],i),n.wBar.set([e.get("wBar","rad")],i),n.q.set([e.get("q")],i),jn.getOrbitType(e)===St.PARABOLIC?n.a0.set([sm(e,this.options.jd||0)],i):n.M.set([rm(e,this.options.jd||0)],i);for(let a in n)n.hasOwnProperty(a)&&(n[a].needsUpdate=!0);return this.geometry.setDrawRange(0,this.particleCount),!this.addedToScene&&this.simulation&&(this.simulation.addObject(this),this.addedToScene=!0),i}hideParticle(e){let t=this.attributes;t.size.set([0],e);for(let n in t)t.hasOwnProperty(n)&&(t[n].needsUpdate=!0)}setParticleSize(e,t){let n=this.attributes;n.size.set([e],t);for(let i in n)n.hasOwnProperty(i)&&(n[i].needsUpdate=!0)}setParticleColor(e,t){let n=this.attributes,{r:i,g:s,b:a}=new $(e);n.fuzzColor.set([i,s,a],t*3);for(let o in n)n.hasOwnProperty(o)&&(n[o].needsUpdate=!0)}setParticleOrigin(e,t){this.attributes.origin.set(t,e*3),this.attributes.origin.needsUpdate=!0}update(e){let t=[],n=[];for(let i=0;i0?s[s.length-1]:"",smooth:a!==void 0?a.smooth:this.smooth,groupStart:a!==void 0?a.groupEnd:0,groupEnd:-1,groupCount:-1,inherited:!1,clone:function(l){let c={index:typeof l=="number"?l:this.index,name:this.name,mtllib:this.mtllib,smooth:this.smooth,groupStart:0,groupEnd:-1,groupCount:-1,inherited:!1};return c.clone=this.clone.bind(c),c}};return this.materials.push(o),o},currentMaterial:function(){if(this.materials.length>0)return this.materials[this.materials.length-1]},_finalize:function(i){let s=this.currentMaterial();if(s&&s.groupEnd===-1&&(s.groupEnd=this.geometry.vertices.length/3,s.groupCount=s.groupEnd-s.groupStart,s.inherited=!1),i&&this.materials.length>1)for(let a=this.materials.length-1;a>=0;a--)this.materials[a].groupCount<=0&&this.materials.splice(a,1);return i&&this.materials.length===0&&this.materials.push({name:"",smooth:this.smooth}),s}},n&&n.name&&typeof n.clone=="function"){let i=n.clone(0);i.inherited=!0,this.object.materials.push(i)}this.objects.push(this.object)},finalize:function(){this.object&&typeof this.object._finalize=="function"&&this.object._finalize(!0)},parseVertexIndex:function(e,t){let n=parseInt(e,10);return(n>=0?n-1:n+t/3)*3},parseNormalIndex:function(e,t){let n=parseInt(e,10);return(n>=0?n-1:n+t/3)*3},parseUVIndex:function(e,t){let n=parseInt(e,10);return(n>=0?n-1:n+t/2)*2},addVertex:function(e,t,n){let i=this.vertices,s=this.object.geometry.vertices;s.push(i[e+0],i[e+1],i[e+2]),s.push(i[t+0],i[t+1],i[t+2]),s.push(i[n+0],i[n+1],i[n+2])},addVertexPoint:function(e){let t=this.vertices;this.object.geometry.vertices.push(t[e+0],t[e+1],t[e+2])},addVertexLine:function(e){let t=this.vertices;this.object.geometry.vertices.push(t[e+0],t[e+1],t[e+2])},addNormal:function(e,t,n){let i=this.normals,s=this.object.geometry.normals;s.push(i[e+0],i[e+1],i[e+2]),s.push(i[t+0],i[t+1],i[t+2]),s.push(i[n+0],i[n+1],i[n+2])},addFaceNormal:function(e,t,n){let i=this.vertices,s=this.object.geometry.normals;am.fromArray(i,e),bu.fromArray(i,t),om.fromArray(i,n),sn.subVectors(om,bu),lm.subVectors(am,bu),sn.cross(lm),sn.normalize(),s.push(sn.x,sn.y,sn.z),s.push(sn.x,sn.y,sn.z),s.push(sn.x,sn.y,sn.z)},addColor:function(e,t,n){let i=this.colors,s=this.object.geometry.colors;i[e]!==void 0&&s.push(i[e+0],i[e+1],i[e+2]),i[t]!==void 0&&s.push(i[t+0],i[t+1],i[t+2]),i[n]!==void 0&&s.push(i[n+0],i[n+1],i[n+2])},addUV:function(e,t,n){let i=this.uvs,s=this.object.geometry.uvs;s.push(i[e+0],i[e+1]),s.push(i[t+0],i[t+1]),s.push(i[n+0],i[n+1])},addDefaultUV:function(){let e=this.object.geometry.uvs;e.push(0,0),e.push(0,0),e.push(0,0)},addUVLine:function(e){let t=this.uvs;this.object.geometry.uvs.push(t[e+0],t[e+1])},addFace:function(e,t,n,i,s,a,o,l,c){let u=this.vertices.length,h=this.parseVertexIndex(e,u),d=this.parseVertexIndex(t,u),f=this.parseVertexIndex(n,u);if(this.addVertex(h,d,f),this.addColor(h,d,f),o!==void 0&&o!==""){let p=this.normals.length;h=this.parseNormalIndex(o,p),d=this.parseNormalIndex(l,p),f=this.parseNormalIndex(c,p),this.addNormal(h,d,f)}else this.addFaceNormal(h,d,f);if(i!==void 0&&i!==""){let p=this.uvs.length;h=this.parseUVIndex(i,p),d=this.parseUVIndex(s,p),f=this.parseUVIndex(a,p),this.addUV(h,d,f),this.object.geometry.hasUVIndices=!0}else this.addDefaultUV()},addPointGeometry:function(e){this.object.geometry.type="Points";let t=this.vertices.length;for(let n=0,i=e.length;n{let l=this.attributes[o];s.setAttribute(o,l)}),s.boundingSphere=new Bt(new b(0,0,0),1/0);let a=new Ke({uniforms:this.uniforms,vertexShader:uv(),fragmentShader:hv(),depthTest:!0,depthWrite:!1,transparent:!0});this.shaderMaterial=a,this.geometry=s,this.particleSystem=new gi(s,a),this.particleSystem.name=this.id}addParticle(e,t={}){this.elements.push(e);let i=this.attributes,n=this.particleCount++;i.visible.set([1],n),i.size.set([t.particleSize||this.options.defaultSize||15],n);let s=new re(t.color||16777215);i.fuzzColor.set([s.r,s.g,s.b],n*3),i.origin.set([0,0,0],n*3),i.a.set([e.get("a")],n),i.e.set([e.get("e")],n),i.i.set([e.get("i","rad")],n),i.om.set([e.get("om","rad")],n),i.wBar.set([e.get("wBar","rad")],n),i.q.set([e.get("q")],n),Hn.getOrbitType(e)===It.PARABOLIC?i.a0.set([_v(e,this.options.jd||0)],n):i.M.set([xv(e,this.options.jd||0)],n);for(let a in i)i.hasOwnProperty(a)&&(i[a].needsUpdate=!0);return this.geometry.setDrawRange(0,this.particleCount),!this.addedToScene&&this.simulation&&(this.simulation.addObject(this),this.addedToScene=!0),n}hideParticle(e){this.setParticleVisibility(!1,e)}showParticle(e){this.setParticleVisibility(!0,e)}isParticleVisible(e){return e>=0&&e.5}setParticleVisibility(e,t){let i=this.attributes;i.visible.set([e?1:0],t);for(let n in i)i.hasOwnProperty(n)&&(i[n].needsUpdate=!0)}isVisible(){return this.particleCount>0&&this.particleSystem.visible&&this.attributes.visible.array.slice(0,this.particleCount).some(e=>e>.5)}setVisibility(e){this.particleSystem.visible=e}setParticleSize(e,t){let i=this.attributes;i.size.set([e],t);for(let n in i)i.hasOwnProperty(n)&&(i[n].needsUpdate=!0)}setParticleColor(e,t){let i=this.attributes,{r:n,g:s,b:a}=new re(e);i.fuzzColor.set([n,s,a],t*3);for(let o in i)i.hasOwnProperty(o)&&(i[o].needsUpdate=!0)}setParticleOrigin(e,t){this.attributes.origin.set(t,e*3),this.attributes.origin.needsUpdate=!0}update(e){let t=[],i=[],n=0;for(let s=0;s0?s[s.length-1]:"",smooth:a!==void 0?a.smooth:this.smooth,groupStart:a!==void 0?a.groupEnd:0,groupEnd:-1,groupCount:-1,inherited:!1,clone:function(l){let c={index:typeof l=="number"?l:this.index,name:this.name,mtllib:this.mtllib,smooth:this.smooth,groupStart:0,groupEnd:-1,groupCount:-1,inherited:!1};return c.clone=this.clone.bind(c),c}};return this.materials.push(o),o},currentMaterial:function(){if(this.materials.length>0)return this.materials[this.materials.length-1]},_finalize:function(n){let s=this.currentMaterial();if(s&&s.groupEnd===-1&&(s.groupEnd=this.geometry.vertices.length/3,s.groupCount=s.groupEnd-s.groupStart,s.inherited=!1),n&&this.materials.length>1)for(let a=this.materials.length-1;a>=0;a--)this.materials[a].groupCount<=0&&this.materials.splice(a,1);return n&&this.materials.length===0&&this.materials.push({name:"",smooth:this.smooth}),s}},i&&i.name&&typeof i.clone=="function"){let n=i.clone(0);n.inherited=!0,this.object.materials.push(n)}this.objects.push(this.object)},finalize:function(){this.object&&typeof this.object._finalize=="function"&&this.object._finalize(!0)},parseVertexIndex:function(e,t){let i=parseInt(e,10);return(i>=0?i-1:i+t/3)*3},parseNormalIndex:function(e,t){let i=parseInt(e,10);return(i>=0?i-1:i+t/3)*3},parseUVIndex:function(e,t){let i=parseInt(e,10);return(i>=0?i-1:i+t/2)*2},addVertex:function(e,t,i){let n=this.vertices,s=this.object.geometry.vertices;s.push(n[e+0],n[e+1],n[e+2]),s.push(n[t+0],n[t+1],n[t+2]),s.push(n[i+0],n[i+1],n[i+2])},addVertexPoint:function(e){let t=this.vertices;this.object.geometry.vertices.push(t[e+0],t[e+1],t[e+2])},addVertexLine:function(e){let t=this.vertices;this.object.geometry.vertices.push(t[e+0],t[e+1],t[e+2])},addNormal:function(e,t,i){let n=this.normals,s=this.object.geometry.normals;s.push(n[e+0],n[e+1],n[e+2]),s.push(n[t+0],n[t+1],n[t+2]),s.push(n[i+0],n[i+1],n[i+2])},addFaceNormal:function(e,t,i){let n=this.vertices,s=this.object.geometry.normals;Av.fromArray(n,e),Df.fromArray(n,t),Sv.fromArray(n,i),Wi.subVectors(Sv,Df),Ev.subVectors(Av,Df),Wi.cross(Ev),Wi.normalize(),s.push(Wi.x,Wi.y,Wi.z),s.push(Wi.x,Wi.y,Wi.z),s.push(Wi.x,Wi.y,Wi.z)},addColor:function(e,t,i){let n=this.colors,s=this.object.geometry.colors;n[e]!==void 0&&s.push(n[e+0],n[e+1],n[e+2]),n[t]!==void 0&&s.push(n[t+0],n[t+1],n[t+2]),n[i]!==void 0&&s.push(n[i+0],n[i+1],n[i+2])},addUV:function(e,t,i){let n=this.uvs,s=this.object.geometry.uvs;s.push(n[e+0],n[e+1]),s.push(n[t+0],n[t+1]),s.push(n[i+0],n[i+1])},addDefaultUV:function(){let e=this.object.geometry.uvs;e.push(0,0),e.push(0,0),e.push(0,0)},addUVLine:function(e){let t=this.uvs;this.object.geometry.uvs.push(t[e+0],t[e+1])},addFace:function(e,t,i,n,s,a,o,l,c){let h=this.vertices.length,u=this.parseVertexIndex(e,h),d=this.parseVertexIndex(t,h),f=this.parseVertexIndex(i,h);if(this.addVertex(u,d,f),this.addColor(u,d,f),o!==void 0&&o!==""){let m=this.normals.length;u=this.parseNormalIndex(o,m),d=this.parseNormalIndex(l,m),f=this.parseNormalIndex(c,m),this.addNormal(u,d,f)}else this.addFaceNormal(u,d,f);if(n!==void 0&&n!==""){let m=this.uvs.length;u=this.parseUVIndex(n,m),d=this.parseUVIndex(s,m),f=this.parseUVIndex(a,m),this.addUV(u,d,f),this.object.geometry.hasUVIndices=!0}else this.addDefaultUV()},addPointGeometry:function(e){this.object.geometry.type="Points";let t=this.vertices.length;for(let i=0,n=e.length;i=7?t.colors.push(parseFloat(f[4]),parseFloat(f[5]),parseFloat(f[6])):t.colors.push(void 0,void 0,void 0);break;case"vn":t.normals.push(parseFloat(f[1]),parseFloat(f[2]),parseFloat(f[3]));break;case"vt":t.uvs.push(parseFloat(f[1]),parseFloat(f[2]));break}}else if(s==="f"){let p=i.substr(1).trim().split(/\s+/),v=[];for(let g=0,m=p.length;g0){let y=b.split("/");v.push(y)}}let x=v[0];for(let g=1,m=v.length-1;g1){let p=o[1].trim().toLowerCase();t.object.smooth=p!=="0"&&p!=="off"}else t.object.smooth=!0;let f=t.object.currentMaterial();f&&(f.smooth=t.object.smooth)}else{if(i==="\0")continue;console.warn('THREE.OBJLoader: Unexpected line: "'+i+'"')}t.finalize();let c=new En;if(c.materialLibraries=[].concat(t.materialLibraries),!(t.objects.length===1&&t.objects[0].geometry.vertices.length===0)===!0)for(let h=0,d=t.objects.length;h0&&b.setAttribute("normal",new ce(p.normals,3)),p.colors.length>0&&(m=!0,b.setAttribute("color",new ce(p.colors,3))),p.hasUVIndices===!0&&b.setAttribute("uv",new ce(p.uvs,2));let y=[];for(let _=0,w=v.length;_1){for(let _=0,w=v.length;_0){let h=new Xt({size:1,sizeAttenuation:!1}),d=new de;d.setAttribute("position",new ce(t.vertices,3)),t.colors.length>0&&t.colors[0]!==void 0&&(d.setAttribute("color",new ce(t.colors,3)),h.vertexColors=!0);let f=new Ot(d,h);c.add(f)}return c}};var nE=30;function iE(r,e,t){let n=new A(r[0],r[1],r[2]);return n.project(e),{x:(n.x+1)*t.clientWidth/2,y:(-n.y+1)*t.clientHeight/2}}var ms=class{constructor(e,t,n,i=!0){this._id=e,this._options=t||{},this._object3js=void 0,this._useEphemTable=this._options.ephemTable!==void 0,this._isStaticObject=!this._options.ephem&&!this._useEphemTable,this._simulation=n,this._context=n.getContext(),this._label=void 0,this._showLabel=!1,this._lastLabelUpdate=0,this._position=xn(this._options.position||[0,0,0]),this._orbitAround=void 0,this._scale=this._options.scale||[1,1,1],this._renderMethod=void 0,this._particleIndex=void 0,this._initialized=!1,i&&!this.init()&&console.warn(`SpaceObject ${e}: failed to initialize`)}init(){if(this.renderObject(),this._options.labelText){let e=this.createLabel();this._simulation.getSimulationElement().appendChild(e),this._label=e,this._showLabel=!0}return this._orbitPath=void 0,this._eclipticLines=void 0,this.update(this._simulation.getJd(),!0),this._initialized=!0,!0}setPositionedObject(e){this._object3js=e}renderObject(){if(this.isStaticObject())this._renderMethod||(this._object3js=this.createSprite(),this._simulation&&this._simulation.addObject(this,!1),this._renderMethod="SPRITE");else if(this._orbit=this.createOrbit(),!this._options.hideOrbit&&this._simulation&&this._simulation.addObject(this,!1),this._useEphemTable&&(this._renderMethod||(this._object3js=this.createSprite(),this._simulation&&this._simulation.addObject(this,!0),this._renderMethod="SPRITE")),!this._renderMethod){if(!this._options.ephem)throw new Error("Attempting to create a particle system, but ephemeris are not available.");this._particleIndex=this._context.objects.particles.addParticle(this._options.ephem,{particleSize:this._options.particleSize,color:this.getColor()}),this._renderMethod="PARTICLESYSTEM"}}createLabel(){let e=document.createElement("div");e.className="spacekit__object-label";let{labelText:t,labelUrl:n}=this._options;return this._options.labelUrl?e.innerHTML=``:e.innerHTML=`
${t}
`,e.style.fontFamily="Arial",e.style.fontSize="12px",e.style.color="#fff",e.style.position="absolute",e.style.backgroundColor="#0009",e.style.outline="1px solid #5f5f5f",e}updateLabelPosition(e){if(!this._label)throw new Error("Attempted to update label position without a label");let t=this._label,n=this._simulation.getSimulationElement(),i=iE(e,this._simulation.getViewer().get3jsCamera(),n),s={left:i.x,top:i.y,right:i.x+t.clientWidth,bottom:i.y+t.clientHeight};s.left-30>0&&s.right+200&&s.bottomnE;(t||this._showLabel&&u)&&(n||(n=this.getPosition(e)),this.updateLabelPosition(n),this._lastLabelUpdate=+new Date)}if(this.isStaticObject()&&!t)return;let i=!1;(this._object3js||this._label)&&(i=t||this.shouldUpdateObjectPosition(e)),this._object3js&&i&&(n=this.getPosition(e),this._object3js.position.set(n[0],n[1],n[2]));let s=!this._orbitPath||((o=this._orbit)==null?void 0:o.needsUpdateForTime(e));this._orbit&&!this._options.hideOrbit&&s&&(this._orbitPath&&this._simulation.getScene().remove(this._orbitPath),this._orbitPath=this._orbit.getOrbitShape(e,!0),this._simulation.getScene().add(this._orbitPath));let a=!this._eclipticLines||s;if(this._orbit&&this._options.ecliptic&&this._options.ecliptic.displayLines&&a&&(this._eclipticLines&&this._simulation.getScene().remove(this._eclipticLines),this._eclipticLines=this._orbit.getLinesToEcliptic(),this._simulation.getScene().add(this._eclipticLines)),this._orbitAround){let u=this._orbitAround.getPosition(e);this._renderMethod==="PARTICLESYSTEM"&&((l=this._context.objects.particles)==null||l.setParticleOrigin(this._particleIndex,u)),this._options.hideOrbit||(c=this._orbitPath)==null||c.position.set(u[0],u[1],u[2]),n||(n=this.getPosition(e))}}get3jsObjects(){let e=[];return this._object3js&&e.push(this._object3js),this._orbit&&(this._orbitPath&&e.push(this._orbitPath),this._eclipticLines&&e.push(this._eclipticLines)),e}getBoundingObject(){return qt(this,null,function*(){return Promise.resolve(this.get3jsObjects()[0])})}getColor(){return this._options.theme&&this._options.theme.color||16777215}getOrbit(){return this._orbit}getLabelVisibility(){return this._showLabel}setLabelVisibility(e){if(!this._label)throw new Error("Attempted to set label visibility without a label");e?(this._showLabel=!0,this._label.style.display="block"):(this._showLabel=!1,this._label.style.display="none")}getId(){return this._id}isStaticObject(){return this._isStaticObject}isReady(){return this._initialized}removalCleanup(){var e;this._label&&(this._simulation.getSimulationElement().removeChild(this._label),this._label=void 0),this._particleIndex!==void 0&&((e=this._context)==null||e.objects.particles.hideParticle(this._particleIndex))}},Dn="{{assets}}/sprites/smallparticle.png",rE={SUN:{textureUrl:"{{assets}}/sprites/lensflare0.png",position:[0,0,0]},MERCURY:{textureUrl:Dn,theme:{color:9518318},ephem:rn.MERCURY},VENUS:{textureUrl:Dn,theme:{color:16742195},ephem:rn.VENUS},EARTH:{textureUrl:Dn,theme:{color:39629},ephem:rn.EARTH},MOON:{textureUrl:Dn,theme:{color:16766720},ephem:rn.MOON,particleSize:6},MARS:{textureUrl:Dn,theme:{color:10893882},ephem:rn.MARS},JUPITER:{textureUrl:Dn,theme:{color:16759055},ephem:rn.JUPITER},SATURN:{textureUrl:Dn,theme:{color:3368499},ephem:rn.SATURN},URANUS:{textureUrl:Dn,theme:{color:39423},ephem:rn.URANUS},NEPTUNE:{textureUrl:Dn,theme:{color:3355647},ephem:rn.NEPTUNE},PLUTO:{textureUrl:Dn,theme:{color:13418672},ephem:rn.PLUTO}};function Eu(r,e,t){let n=new Ke({linewidth:3,color:t}),i=new de().setFromPoints([fu(r).clone(),fu(e).clone()]),s=new kt(i,n);return s.computeLineDistances(),s}function sE(){return[Eu(new A(0,0,0),new A(3,0,0),16711680),Eu(new A(0,0,0),new A(0,3,0),65280),Eu(new A(0,0,0),new A(0,0,3),255)]}var gs=class extends ms{constructor(e,t,n,i=!0){super(e,t,n,!1);this._obj=new _e,this._renderMethod="ROTATING_OBJECT",super.setPositionedObject(this._obj),this._objectIsRotatable=!1,this._options.rotation&&(this._objectIsRotatable=!0),this._axisOfRotation=void 0,this._materials=[],i&&this.init()}init(){if(this._objectIsRotatable&&this.initRotation(),this._options.debug&&(this._options.debug.showAxes&&sE().forEach(e=>this._obj.add(e)),this._options.debug.showGrid)){let e=new ar(3,3,16711680,16772846);e.geometry.rotateX(Math.PI/2),this._obj.add(e)}return super.init()}initRotation(){if(!this._options.rotation)throw new Error("Must specify `rotation` option when creating a RotatingObject");let{rotation:e}=this._options;if(typeof e.jd0=="undefined")return;let{PI:t}=Math,n=st.rad(e.lambdaDeg||0),i=st.rad(e.betaDeg||0),s=e.period,a=e.yorp||0,o=st.rad(e.phi0||0),l=this._simulation.getJd(),c=e.jd0,u=o+2*t/s*(l-c)+1/2*a*Math.pow(l-c,2);this._obj.rotateY(-(t/2-i)),this._obj.rotateZ(-n),this._obj.rotateZ(u)}update(e,t=!1){if(this._obj&&this._objectIsRotatable&&this._options.rotation&&this._options.rotation.enable){let n=this._options.rotation.speed||.5;this._obj.rotation.z+=n*(Math.PI/180),this._obj.rotation.z%=360}this._axisOfRotation,super.update(e,t)}get3jsObjects(){let e=super.get3jsObjects();return e.unshift(this._obj),e}startRotation(){if(!this._options.rotation)throw new Error("Must specify `rotation` option when creating a RotatingObject");this._options.rotation.enable=!0}stopRotation(){if(!this._options.rotation)throw new Error("Must specify `rotation` option when creating a RotatingObject");this._options.rotation.enable=!1}};var $o=class extends gs{constructor(e,t,n){super(e,t,n,!1);var s;if(!t.shape)throw new Error("ShapeObject requires an options.shape object");if(!((s=t.shape)==null?void 0:s.shapeUrl))throw new Error("Must specify shape.shapeUrl when creating a ShapeObject");this.shapeObj=void 0;let i=new as;i.onProgress=(a,o,l)=>{console.info(this._id,a,"loading progress:",o,"/",l)},this.loadingPromise=new Promise(a=>{new Au(i).load(t.shape.shapeUrl,l=>{l.traverse(c=>{if(c instanceof ze){let u=new Ji({color:this._options.shape.color||13421772});c.material=u,c.geometry.scale(.05,.05,.05),this._materials.push(u)}}),this.shapeObj=l,this._obj.add(l),this._simulation&&this._simulation.addObject(this,!1),this._initialized=!0,a(this.shapeObj)})}),super.init()}getBoundingObject(){return qt(this,null,function*(){return this.loadingPromise})}};var el=class{constructor(e,t){this.options=e,this.id=`__skybox_${new Date().getTime()}`,this.simulation=t,this.context=t.getContext(),this.mesh=void 0,this.init()}init(){let e=new Kt(1e10,32,32),t=fa(this.options.textureUrl,this.context.options.basePath),n=new en().load(t),i=new zt({map:n,side:Qe}),s=new ze(e,i);s.rotation.x=0,s.rotation.y=-1/12*Math.PI,s.rotation.z=8/5*Math.PI,s.scale.set(-1,1,1),this.mesh=s,this.simulation&&this.simulation.addObject(this,!0)}get3jsObjects(){return this.mesh?[this.mesh]:[]}getId(){return this.id}update(){}},aE={ESO_GIGAGALAXY:{textureUrl:"{{assets}}/skybox/eso_milkyway.jpg"},ESO_LITE:{textureUrl:"{{assets}}/skybox/eso_lite.png"},NASA_TYCHO:{textureUrl:"{{assets}}/skybox/nasa_tycho.jpg"}};var tl=class extends gs{constructor(e,t,n){super(e,t,n,!1);this.init()}init(){var s;let e=null;this._options.textureUrl&&(e=new en().load(this._options.textureUrl));let t=new kr,n=this._options.levelsOfDetail||[{radii:0,segments:64}],i=this.getScaledRadius();for(let a=0;a=3e4?9614847:r>=1e4?10666239:r>=7500?14016767:r>=6e3?16381439:r>=5200?16772579:r>=3700?16767669:(r>=2400,16758124)}function uE(r,e){return r<2?e*4:r<4?e*2:r<6?e:1}var ma=class{constructor(e,t){this._options=e,this._id=`__stars_${new Date().getTime()}`,this._simulation=t,this._context=t.getContext(),this._stars=void 0,this.init()}init(){let e=da("{{data}}/processed/bsc.json",this._context.options.basePath);fetch(e).then(t=>t.json()).then(t=>{let n=t.length,i=new de,s=new Float32Array(n*3),a=new Float32Array(n*3),o=new Float32Array(n);i.setAttribute("position",new pe(s,3)),i.setAttribute("color",new pe(a,3)),i.setAttribute("size",new pe(o,1)),t.forEach((c,u)=>{let[h,d,f,p]=c,v=st.rad(st.hoursToDeg(h)),x=st.rad(d),g=hs.sphericalToCartesian(v,x,1e9),m=hs.equatorialToEcliptic_Cartesian(g[0],g[1],g[2],hs.getObliquity());s.set(m,u*3);let b=new $(cE(f));a.set(b.toArray(),u*3),o[u]=uE(p,this._options.minSize||3)});let l=new Ye({uniforms:{},vertexColors:!0,vertexShader:Ko,fragmentShader:Jo,transparent:!0});this._stars=new Ot(i,l),this._simulation&&this._simulation.addObject(this,!0)})}get3jsObjects(){return this._stars?[this._stars]:[]}getId(){return this._id}update(){}};var cm=class{constructor(e,t){this.simulationElt=e,this.options=t||{},this.options.basePath=this.options.basePath||Rp(),this.jd=typeof this.options.jd=="undefined"?Number((0,il.default)(this.options.startDate||new Date)):this.options.jd,this.jdDelta=this.options.jdDelta,this.jdPerSecond=this.options.jdPerSecond||100,this.isPaused=t.startPaused||!1,this.onTick=void 0,this.enableCameraDrift=!1,this.cameraDefaultPos=xn([0,-10,5]),this.options.camera&&(this.enableCameraDrift=!!this.options.camera.enableDrift,this.options.camera.initialPosition&&(this.cameraDefaultPos=xn(this.options.camera.initialPosition))),this.useLightSources=!1,this.lightPosition=void 0,this.subscribedObjects={},_e.DefaultUp=new A(0,0,1),this.options.unitsPerAu&&Cp(this.options.unitsPerAu),this.stats=void 0,this.fps=1,this.lastUpdatedTime=Date.now(),this.lastStaticCameraUpdateTime=Date.now(),this.lastResizeUpdateTime=Date.now(),this.renderEnabled=!0,this.initialRenderComplete=!1,this.animate=this.animate.bind(this),this.renderer=this.initRenderer(),this.scene=new mn,this.camera=new jo(this.getContext()),this.composer=void 0,this.particles=new cr({textureUrl:this.options.particleTextureUrl||"{{assets}}/sprites/smallparticle.png",jd:this.jd,maxNumParticles:this.options.maxNumParticles,defaultSize:this.options.particleDefaultSize},this),this.init(),this.animate()}init(){if(this.camera.get3jsCamera().position.set(this.cameraDefaultPos[0],this.cameraDefaultPos[1],this.cameraDefaultPos[2]),this.simulationElt.onmousedown=this.simulationElt.ontouchstart=()=>{this.enableCameraDrift=!1},(()=>{let e=!1;this.camera.get3jsCameraControls().addEventListener("change",()=>{e&&this.staticForcedUpdate()}),setTimeout(()=>{this.staticForcedUpdate(),e=!0,this.initialRenderComplete=!0},0)})(),this.simulationElt.addEventListener("resize",()=>{this.resizeUpdate()}),window.addEventListener("resize",()=>{this.resizeUpdate()}),this.options.debug){if(this.options.debug.showGrid){let e=new ar(void 0,void 0);e.geometry.rotateX(Math.PI/2),this.scene.add(e)}this.options.debug.showAxes&&this.scene.add(new ha(.5)),this.options.debug.showStats&&(this.stats=new Hp,this.stats.showPanel(0),this.simulationElt.appendChild(this.stats.dom))}this.initPasses()}initRenderer(){let e=new Ys({antialias:!0});console.info("Max texture resolution:",e.capabilities.maxTextureSize);let t=e.capabilities.getMaxPrecision("highp");return t!=="highp"&&console.warn(`Shader maximum precision is "${t}", GPU rendering may not be accurate.`),e.setPixelRatio(window.devicePixelRatio),e.setSize(this.simulationElt.offsetWidth,this.simulationElt.offsetHeight),this.simulationElt.appendChild(e.domElement),e}initPasses(){let e=this.camera.get3jsCamera(),t=new qp({width:240,height:240,luminanceThreshold:.2});t.blendMode.opacity.value=2.3;let n=new Yp(this.scene,e);n.renderToScreen=!1;let i=new Xp(e,t);i.renderToScreen=!0;let s=new Qp(this.renderer);s.addPass(n),s.addPass(i),this.composer=s}update(e=!1){for(let t in this.subscribedObjects)this.subscribedObjects.hasOwnProperty(t)&&this.subscribedObjects[t].update(this.jd,e)}staticForcedUpdate(){if(this.isPaused){let e=Date.now();e-this.lastStaticCameraUpdateTime>30&&(this.update(!0),this.lastStaticCameraUpdateTime=e)}}resizeUpdate(){let e=Date.now();if(e-this.lastResizeUpdateTime>30){let i=this.simulationElt.offsetWidth,s=this.simulationElt.offsetHeight;if(i===0&&s===0)return;let a=this.camera.get3jsCamera();a.aspect=i/s,a.updateProjectionMatrix(),this.renderer.setSize(i,s),this.staticForcedUpdate(),this.lastResizeUpdateTime=e}}doCameraDrift(){let e=1e-4*Date.now(),t=this.cameraDefaultPos,n=this.camera.get3jsCamera();n.position.x=t[0]+t[0]*(Math.cos(e)+1)/3,n.position.z=t[2]+t[2]*(Math.sin(e)+1)/3}animate(){if(!(!this.renderEnabled&&this.initialRenderComplete)){if(window.requestAnimationFrame(this.animate),this.stats&&this.stats.begin(),!this.isPaused){this.jdDelta?this.jd+=this.jdDelta:this.jd+=this.jdPerSecond/this.fps;let e=(Date.now()-this.lastUpdatedTime)/1e3;this.lastUpdatedTime=Date.now(),this.fps=1/e||1,this.update()}this.enableCameraDrift&&this.doCameraDrift(),this.camera.update(),this.renderer.render(this.scene,this.camera.get3jsCamera()),this.onTick&&this.onTick(),this.stats&&this.stats.end()}}addObject(e,t=!1){if(e.get3jsObjects().map(n=>{this.scene.add(n)}),!t){let n=e.getId();this.subscribedObjects[n]&&console.error(`Object id is not unique: "${n}". This could prevent objects from updating correctly.`),this.subscribedObjects[n]=e}}removeObject(e){e.get3jsObjects().map(t=>{this.scene.remove(t)}),typeof e.removalCleanup=="function"&&e.removalCleanup(),delete this.subscribedObjects[e.getId()]}createObject(...e){return new ms(...e,this)}createShape(...e){return new $o(...e,this)}createSphere(...e){return new tl(...e,this)}createStaticParticles(...e){return new nl(...e,this)}createSkybox(...e){return new el(...e,this)}createStars(...e){return e.length?new ma(...e,this):new ma({},this)}createAmbientLight(e=3355443){this.scene.add(new cs(e)),this.useLightSources=!0}createLight(e=void 0,t=16777215){this.lightPosition&&console.warn("Spacekit doesn't support more than one light source for SphereObjects"),this.lightPosition=new A;let n=new ls;if(typeof e=="undefined")this.camera.get3jsCameraControls().addEventListener("change",()=>{this.lightPosition.copy(this.camera.get3jsCamera().position),n.position.copy(this.camera.get3jsCamera().position)});else{let i=xn(e);this.lightPosition.set(i[0],i[1],i[2]),n.position.set(i[0],i[1],i[2])}this.scene.add(n),this.useLightSources=!0}getLightPosition(){return this.lightPosition}isUsingLightSources(){return this.useLightSources}loadNaturalSatellites(){return new Qo(this).load()}renderOnlyInViewport(){let e=!0,t=()=>{let n=this.simulationElt.getBoundingClientRect(),i=window.innerHeight||document.documentElement.clientHeight,s=window.innerWidth||document.documentElement.clientWidth,a=n.top<=i&&n.top+n.height>=0,o=n.left<=s&&n.left+n.width>=0;return a&&o};window.addEventListener("scroll",()=>{let n=t();e&&!n?(this.renderEnabled=!1,e=!1):!e&&n&&(this.renderEnabled=!0,window.requestAnimationFrame(this.animate),e=!0)}),t()||(this.renderEnabled=!1,e=!1)}zoomToFit(e,t=3){return qt(this,null,function*(){let n=e.getOrbit(),i=n?n.getOrbitShape():yield e.getBoundingObject();return i?(this.doZoomToFit(i,t),!0):!1})}doZoomToFit(e,t){let n=new Bt;n.setFromObject(e);let i=new A;n.getCenter(i);let s=new A;n.getSize(s);let a=this.camera.get3jsCamera(),o=Math.max(s.x,s.y,s.z),l=a.fov*(Math.PI/180),c=Math.abs(o/2*Math.tan(l*2))*t,u=new A;e.getWorldPosition(u);let f=a.position.sub(u).normalize().multiplyScalar(c);a.position.x=f.x,a.position.y=f.y,a.position.z=f.z,a.updateProjectionMatrix(),this.cameraDefaultPos=[f.x,f.y,f.z]}start(){this.lastUpdatedTime=Date.now(),this.isPaused=!1}stop(){this.isPaused=!0}getJd(){return this.jd}setJd(e){this.jd=e,this.update(!0)}getDate(){return il.default.toDate(this.jd)}setDate(e){this.setJd(Number((0,il.default)(e)))}getJdDelta(){return this.jdDelta?this.jdDelta:this.jdPerSecond/this.fps}setJdDelta(e){this.jdDelta=e}getJdPerSecond(){if(!this.jdDelta)return this.jdPerSecond}setJdPerSecond(e){this.jdDelta=void 0,this.jdPerSecond=e}getContext(){return{simulation:this,options:this.options,objects:{particles:this.particles,camera:this.camera,scene:this.scene,renderer:this.renderer,composer:this.composer},container:{width:this.simulationElt.offsetWidth,height:this.simulationElt.offsetHeight}}}getSimulationElement(){return this.simulationElt}getViewer(){return this.camera}getScene(){return this.scene}getRenderer(){return this.renderer}setCameraDrift(e){this.enableCameraDrift=e}};var hE=lu;return dE;})(); +`)!==-1&&(e=e.replace(/\\\n/g,""));let i=e.split(` +`),n=[];for(let o=0,l=i.length;o=7?(Ah.setRGB(parseFloat(u[4]),parseFloat(u[5]),parseFloat(u[6]),Oe),t.colors.push(Ah.r,Ah.g,Ah.b)):t.colors.push(void 0,void 0,void 0);break;case"vn":t.normals.push(parseFloat(u[1]),parseFloat(u[2]),parseFloat(u[3]));break;case"vt":t.uvs.push(parseFloat(u[1]),parseFloat(u[2]));break}}else if(h==="f"){let d=c.slice(1).trim().split(yv),f=[];for(let v=0,g=d.length;v0){let y=p.split("/");f.push(y)}}let m=f[0];for(let v=1,g=f.length-1;v1){let d=n[1].trim().toLowerCase();t.object.smooth=d!=="0"&&d!=="off"}else t.object.smooth=!0;let u=t.object.currentMaterial();u&&(u.smooth=t.object.smooth)}else{if(c==="\0")continue;console.warn('THREE.OBJLoader: Unexpected line: "'+c+'"')}}t.finalize();let s=new un;if(s.materialLibraries=[].concat(t.materialLibraries),!(t.objects.length===1&&t.objects[0].geometry.vertices.length===0)===!0)for(let o=0,l=t.objects.length;o0&&v.setAttribute("normal",new me(h.normals,3)),h.colors.length>0&&(m=!0,v.setAttribute("color",new me(h.colors,3))),h.hasUVIndices===!0&&v.setAttribute("uv",new me(h.uvs,2));let g=[];for(let y=0,x=u.length;y1){for(let y=0,x=u.length;y0){let o=new dn({size:1,sizeAttenuation:!1}),l=new we;l.setAttribute("position",new me(t.vertices,3)),t.colors.length>0&&t.colors[0]!==void 0&&(l.setAttribute("color",new me(t.colors,3)),o.vertexColors=!0);let c=new gi(l,o);s.add(c)}return s}};var ZM=30;function QM(r,e,t){let i=new b(r[0],r[1],r[2]);return i.project(e),{x:(i.x+1)*t.clientWidth/2,y:(-i.y+1)*t.clientHeight/2}}var Aa=class{constructor(e,t,i,n=!0){this._id=e,this._options=t||{},this._object3js=void 0,this._useEphemTable=this._options.ephemTable!==void 0,this._isStaticObject=!this._options.ephem&&!this._useEphemTable,this._simulation=i,this._context=i.getContext(),this._materials=[],this._geometries=[],this._textures=[],this._label=void 0,this._showLabel=!1,this._lastLabelUpdate=0,this._position=en(this._options.position||[0,0,0]),this._orbitAround=void 0,this._scale=this._options.scale||[1,1,1],this._renderMethod=void 0,this._particleIndex=void 0,this._initialized=!1,n&&!this.init()&&console.warn(`SpaceObject ${e}: failed to initialize`)}init(){if(this.renderObject(),this._options.labelText){let e=this.createLabel();this._simulation.getSimulationElement().appendChild(e),this._label=e,this._showLabel=!0}return this._orbitPath=void 0,this._eclipticLines=void 0,this.update(this._simulation.getJd(),!0),this._initialized=!0,!0}renderObject(){let e=!0;this.isStaticObject()||(this._orbit=this.createOrbit()),this._renderMethod||(this.isStaticObject()?(this._object3js=this.createSprite(),this._object3js.name=`${this._id}-sprite`,this._renderMethod="SPRITE"):this._useEphemTable?(this._object3js=this.createSprite(),this._object3js.name=`${this._id}-sprite`,this._renderMethod="SPRITE"):(this.addParticle(),this._renderMethod="PARTICLESYSTEM",e=!1)),e&&this._simulation.getObject(this._id)===void 0&&this._simulation.addObject(this,!1)}addParticle(){if(!this._options.ephem)throw new Error("Attempting to create a particle system, but ephemeris are not available.");this._particleIndex=this._context.objects.particles.addParticle(this._options.ephem,{particleSize:this._options.particleSize,color:this.getColor()})}createLabel(){let e=document.createElement("div");e.className="spacekit__object-label";let{labelText:t,labelUrl:i}=this._options;return this._options.labelUrl?e.innerHTML=``:e.innerHTML=`
${t}
`,e.style.fontFamily="Arial",e.style.fontSize="12px",e.style.color="#fff",e.style.position="absolute",e.style.backgroundColor="#0009",e.style.outline="1px solid #5f5f5f",e}updateLabelPosition(e){if(!this._label)throw new Error("Attempted to update label position without a label");let t=this._label,i=this._simulation.getSimulationElement(),n=QM(e,this._simulation.getViewer().get3jsCamera(),i),s={left:n.x,top:n.y,right:n.x+t.clientWidth,bottom:n.y+t.clientHeight};s.left-30>0&&s.right+200&&s.bottomZM;(t||this._showLabel&&d)&&(i||(i=this.getPosition(e)),this.updateLabelPosition(i),this._lastLabelUpdate=+new Date)}if(this.isStaticObject()&&!t)return;let n=!1;(this._object3js||this._label)&&(n=t||this.shouldUpdateObjectPosition(e)),this._object3js&&n&&(i=this.getPosition(e),this._object3js.position.set(i[0],i[1],i[2]));let s=!this._orbitPath||((o=this._orbit)==null?void 0:o.needsUpdateForTime(e));this._orbit&&!this._options.hideOrbit&&s&&(this._orbitPath&&this._simulation.getScene().remove(this._orbitPath),this._orbitPath=this._orbit.getOrbitShape(e,!0,this._orbitAround),this._orbitPath.name=`${this._id}-orbit`,this._simulation.getScene().add(this._orbitPath));let a=!this._eclipticLines||s;if(this._orbit&&this._options.ecliptic&&this._options.ecliptic.displayLines&&a&&(this._eclipticLines&&this._simulation.getScene().remove(this._eclipticLines),this._eclipticLines=this._orbit.getLinesToEcliptic(),this._eclipticLines.name=`${this._id}-orbit-ec-lines`,this._simulation.getScene().add(this._eclipticLines)),this._orbitAround){let d=this._orbitAround.getPosition(e);this._particleIndex!==void 0&&((l=this._context.objects.particles)==null||l.setParticleOrigin(this._particleIndex,d)),!this._options.hideOrbit&&!((c=this._orbit)==null?void 0:c.isHeliocentric())&&((h=this._orbitPath)==null||h.position.set(d[0],d[1],d[2]),(u=this._eclipticLines)==null||u.position.set(d[0],d[1],d[2]))}}get3jsObjects(){let e=[];return this._object3js&&e.push(this._object3js),this._orbit&&(this._orbitPath&&e.push(this._orbitPath),this._eclipticLines&&e.push(this._eclipticLines)),e}getBoundingObject(){return ui(this,null,function*(){return Promise.resolve(this.get3jsObjects()[0])})}getColor(){return this._options.theme&&this._options.theme.color||16777215}getOrbit(){return this._orbit}getLabelVisibility(){return this._showLabel}getLabelElement(){return this._label}setLabelVisibility(e){if(!this._label)throw new Error("Attempted to set label visibility without a label");e?(this._showLabel=!0,this._label.style.display="block"):(this._showLabel=!1,this._label.style.display="none")}getId(){return this._id}isStaticObject(){return this._isStaticObject}isReady(){return this._initialized}setVisibility(e){var t;this.get3jsObjects().forEach(i=>{i.visible=e}),this._particleIndex!==void 0&&((t=this._context)==null||t.objects.particles.setParticleVisibility(e,this._particleIndex)),this.setLabelVisibility(e)}isVisible(){var t;let e=this.get3jsObjects().some(i=>i.visible);return this._particleIndex!==void 0&&(e=e||((t=this._context)==null?void 0:t.objects.particles.isParticleVisible(this._particleIndex))),e=e||this._showLabel,e}removalCleanup(){var e,t,i,n;this._label&&(this._simulation.getSimulationElement().removeChild(this._label),this._label=void 0),this._particleIndex!==void 0&&((e=this._context)==null||e.objects.particles.hideParticle(this._particleIndex),((t=this._context)==null?void 0:t.objects.particles.isVisible())||this._simulation.removeObject((i=this._context)==null?void 0:i.objects.particles)),(n=this._orbit)==null||n.removalCleanup(),this._geometries.forEach(s=>{s.dispose()}),this._materials.forEach(s=>{s.dispose()}),this._textures.forEach(s=>{s.dispose()})}},Ri="{{assets}}/sprites/smallparticle.png",KM={SUN:{textureUrl:"{{assets}}/sprites/lensflare0.png",position:[0,0,0],radius:.5},MERCURY:{textureUrl:Ri,theme:{color:9518318},ephem:Vi.MERCURY},VENUS:{textureUrl:Ri,theme:{color:16742195},ephem:Vi.VENUS},EARTH:{textureUrl:Ri,theme:{color:39629},ephem:Vi.EARTH},MOON:{textureUrl:Ri,theme:{color:16766720},ephem:Vi.MOON,particleSize:6},MARS:{textureUrl:Ri,theme:{color:10893882},ephem:Vi.MARS},JUPITER:{textureUrl:Ri,theme:{color:16759055},ephem:Vi.JUPITER},SATURN:{textureUrl:Ri,theme:{color:3368499},ephem:Vi.SATURN},URANUS:{textureUrl:Ri,theme:{color:39423},ephem:Vi.URANUS},NEPTUNE:{textureUrl:Ri,theme:{color:3355647},ephem:Vi.NEPTUNE},PLUTO:{textureUrl:Ri,theme:{color:13418672},ephem:Vi.PLUTO}};function If(r,e,t){let i=new _t({linewidth:3,color:t}),n=new we().setFromPoints([Af(r).clone(),Af(e).clone()]),s=new mi(n,i);return s.computeLineDistances(),s}function JM(){return[If(new b(0,0,0),new b(3,0,0),16711680),If(new b(0,0,0),new b(0,3,0),65280),If(new b(0,0,0),new b(0,0,3),255)]}var Sa=class extends Aa{constructor(e,t,i,n=!0){super(e,t,i,!1);this._obj=new Xe,this._obj.name=`${this._id}-rot-obj`,this._renderMethod="ROTATING_OBJECT",super.setPositionedObject(this._obj),this._objectIsRotatable=!!this._options.rotation,this._axisOfRotation=void 0,n&&this.init()}init(){if(this._objectIsRotatable&&this.initRotation(),this._options.debug&&(this._options.debug.showAxes&&JM().forEach(e=>{this._materials.push(e.material),this._geometries.push(e.geometry),this._obj.add(e)}),this._options.debug.showGrid)){let e=new jr(3,3,16711680,16772846);e.geometry.rotateX(Math.PI/2),this._materials.push(e.material),this._geometries.push(e.geometry),this._obj.add(e)}return super.init()}initRotation(){if(!this._options.rotation)throw new Error("Must specify `rotation` option when creating a RotatingObject");let{rotation:e}=this._options;if(typeof e.jd0=="undefined")return;let t=yt.rad(e.lambdaDeg||0),i=yt.rad(e.betaDeg||0),n=this._simulation.getJd(),s=this._z_rotation(n);typeof s!="undefined"&&(this._obj.rotateZ(Math.PI/2+t),this._obj.rotateX(Math.PI/2-i),this._obj.rotateZ(s))}_z_rotation(e){if(typeof this._options.rotation=="undefined")return;let{period:t,yorp:i,phi0:n,jd0:s}=this._options.rotation;if(typeof s!="undefined")return(yt.rad(n||0)+2*Math.PI/t*(e-s)+1/2*(i||0)*Math.pow(e-s,2))%(2*Math.PI)}update(e,t=!1){if(this._obj&&this._objectIsRotatable&&this._options.rotation&&this._options.rotation.enable)if(this._axisOfRotation,this._options.rotation.speed)this._obj.rotateZ(yt.rad(this._options.rotation.speed));else{let i=this._z_rotation(e);typeof i!="undefined"&&(this._obj.rotation.z=i)}super.update(e,t)}get3jsObjects(){return super.get3jsObjects()}startRotation(){if(!this._options.rotation)throw new Error("Must specify `rotation` option when creating a RotatingObject");this._options.rotation.enable=!0}stopRotation(){if(!this._options.rotation)throw new Error("Must specify `rotation` option when creating a RotatingObject");this._options.rotation.enable=!1}};var Sh=class extends Sa{constructor(e,t,i){super(e,t,i,!1);var s;if(!t.shape)throw new Error("ShapeObject requires an options.shape object");if(!((s=t.shape)==null?void 0:s.shapeUrl))throw new Error("Must specify shape.shapeUrl when creating a ShapeObject");this.shapeObj=void 0;let n=new zr;n.onProgress=(a,o,l)=>{console.info(this._id,a,"loading progress:",o,"/",l)},this.loadingPromise=new Promise(a=>{new Pf(n).load(t.shape.shapeUrl,l=>{l.traverse(c=>{if(c instanceof tt){let h=new Ur({color:this._options.shape.color||13421772});c.material=h,c.geometry.scale(.05,.05,.05),this._geometries.push(c.geometry),this._materials.push(h),h.map&&this._textures.push(h.map)}}),l.name=`${this._id}-shape-obj`,this.shapeObj=l,this._obj.add(l),this._simulation&&this._simulation.addObject(this,!1),this._initialized=!0,a(this.shapeObj)})}),super.init()}getBoundingObject(){return ui(this,null,function*(){return this.loadingPromise})}};var Eh=class{constructor(e,t){this.options=e,this.id=`__skybox_${new Date().getTime()}`,this.simulation=t,this.context=t.getContext(),this.mesh=void 0,this.init()}init(){let e=new Gi(1e10,32,32),t=$r(this.options.textureUrl,this.context.options.basePath),i=new wi().load(t);i.colorSpace=Oe;let n=new li({map:i,side:At}),s=new tt(e,n);s.name=this.id,s.rotation.x=0,s.rotation.y=-1/12*Math.PI,s.rotation.z=8/5*Math.PI,s.scale.set(-1,1,1),this.mesh=s,this.simulation&&this.simulation.addObject(this,!0)}get3jsObjects(){return this.mesh?[this.mesh]:[]}getId(){return this.id}update(){}isVisible(){var e,t;return(t=(e=this.mesh)==null?void 0:e.visible)!=null?t:!1}setVisibility(e){this.mesh&&(this.mesh.visible=e)}removalCleanup(){var e;this.mesh&&(this.mesh.geometry.dispose(),this.mesh.material.dispose(),(e=this.mesh.material.map)==null||e.dispose())}},$M={ESO_GIGAGALAXY:{textureUrl:"{{assets}}/skybox/eso_milkyway.jpg"},ESO_LITE:{textureUrl:"{{assets}}/skybox/eso_lite.png"},NASA_TYCHO:{textureUrl:"{{assets}}/skybox/nasa_tycho.jpg"}};var Mh=class extends Sa{constructor(e,t,i){super(e,t,i,!1);this.init()}init(){var a,o,l,c,h,u;let e=null;this._options.textureUrl&&(e=new wi().load(this._options.textureUrl),e.colorSpace=Oe,this._textures.push(e));let t=(l=(o=this._options.color)!=null?o:(a=this._options.theme)==null?void 0:a.color)!=null?l:12303291,i=new Er,n=this._options.levelsOfDetail||[{radii:0,segments:64}],s=this.getScaledRadius();for(let d=0;d0){let v=new Gi(s,f.segments,f.segments);this._geometries.push(v);let g;if(this._simulation.isUsingLightSources()){e===null&&console.warn(`SphereObject ${this._id} requires a texture when using a light source.`);let p={sphereTex:{value:e},lightPos:{value:new b}};p.lightPos.value.copy(this._simulation.getLightPosition()),g=new Ke({uniforms:p,vertexShader:pv,fragmentShader:mv,transparent:!0})}else g=new li({map:e,color:t});this._materials.push(g),m=new tt(v,g),m.receiveShadow=!0,m.castShadow=!0,m.rotation.x=Math.PI/2}else{let v=$r(Ri,this._context.options.basePath),g=new wi().load(v);g.colorSpace=Oe,this._textures.push(g);let p=new Un({map:g,color:t,blending:sn,depthWrite:!1,sizeAttenuation:!1});this._materials.push(p);let y=((h=(c=this._options.particleSize)!=null?c:this._context.options.particleDefaultSize)!=null?h:15)/15*.02;m=new $n(p),m.scale.set(y,y,y)}i.addLevel(m,s*f.radii)}if(i.name=`${this._id}-detailed`,this._obj.add(i),this._options.atmosphere&&this._options.atmosphere.enable){let d=this.renderFullAtmosphere();d&&this._obj.add(d)}return this._options.axialTilt&&((u=this._options.rotation)==null?void 0:u.lambdaDeg)===void 0&&(this._obj.rotation.y+=yt.rad(this._options.axialTilt)),this._renderMethod="SPHERE",super.init()}getScaledRadius(){return tn(this._options.radius||1)}renderFullAtmosphere(){var o,l,c,h,u,d,f,m,v;if(!this._simulation.isUsingLightSources())return console.warn("Cannot render atmosphere without a light source"),null;let e=this.getScaledRadius(),t=new re((c=(l=(o=this._options)==null?void 0:o.atmosphere)==null?void 0:l.color)!=null?c:16777215),i=e*((d=(u=(h=this._options)==null?void 0:h.atmosphere)==null?void 0:u.innerSizeRatio)!=null?d:.025),n=e*((v=(m=(f=this._options)==null?void 0:f.atmosphere)==null?void 0:m.outerSizeRatio)!=null?v:.15),s=new Xe;s.add(this.renderAtmosphereComponent(e,i,.8,2,t)),s.add(this.renderAtmosphereComponent(e,n,.5,4,t));let a=new Er;return a.addLevel(s,0),a.addLevel(new Xe,e*24),a.name=`${this._id}-atm`,a}renderAtmosphereComponent(e,t,i,n,s){let a=new Gi(e+t,32,32),o={c:{value:i},p:{value:n},color:{value:s},lightPos:{value:new b}},l=this._simulation.getLightPosition();l&&o.lightPos.value.copy(l);let c=new Ke({uniforms:o,vertexShader:dv,fragmentShader:fv,side:At,transparent:!0,depthWrite:!1});return this._geometries.push(a),this._materials.push(c),new tt(a,c)}addRings(e,t,i,n=128){let s=tn(yt.kmToAu(e)),a=tn(yt.kmToAu(t)),o=new nr(s,a,n,5,0,Math.PI*2);this._geometries.push(o);let l=new wi().load(i);l.colorSpace=Oe,this._textures.push(l);let c;if(this._simulation.isUsingLightSources()){let u=To.merge([le.lights,{ringTex:{value:null},innerRadius:{value:s},outerRadius:{value:a},lightPos:{value:new b}}]);u.ringTex.value=l,u.lightPos.value.copy(this._simulation.getLightPosition()),c=new Ke({uniforms:u,lights:!0,vertexShader:gv,fragmentShader:vv,transparent:!0,alphaTest:.1,side:Nt})}else c=new li({map:l,side:Nt,transparent:!0,alphaTest:.1,opacity:.8});this._materials.push(c);let h=new tt(o,c);h.receiveShadow=!0,h.castShadow=!0,h.name=`${this._id}-ring`,this._obj.add(h)}};var eb=4,tb=16777215,bh=class{constructor(e,t,i,n){this.options=i,this.id=e,this.simulation=n,this.points=t,this.pointObject=void 0,this.init(),this.simulation.addObject(this,!0)}init(){let e=new Float32Array(this.points.length*3),t=new Float32Array(this.points.length*3),i=new Float32Array(this.points.length),n=new re(tb);this.options.defaultColor&&(n=new re(this.options.defaultColor));let s=eb;this.options.size&&(s=this.options.size);for(let l=0,c=this.points.length;l=3e4?9614847:r>=1e4?10666239:r>=7500?14016767:r>=6e3?16381439:r>=5200?16772579:r>=3700?16767669:(r>=2400,16758124)}function nb(r,e){return r<2?e*4:r<4?e*2:r<6?e:1}var sl=class{constructor(e,t){this._options=e,this._id=`__stars_${new Date().getTime()}`,this._simulation=t,this._context=t.getContext(),this._stars=void 0,this.init()}init(){let e=nl("{{data}}/processed/bsc.json",this._context.options.basePath);fetch(e).then(t=>t.json()).then(t=>{let i=t.length,n=new we,s=new Float32Array(i*3),a=new Float32Array(i*3),o=new Float32Array(i);n.setAttribute("position",new Ce(s,3)),n.setAttribute("color",new Ce(a,3)),n.setAttribute("size",new Ce(o,1)),t.forEach((c,h)=>{let[u,d,f,m]=c,v=yt.rad(yt.hoursToDeg(u)),g=yt.rad(d),p=xa.sphericalToCartesian(v,g,1e9),y=xa.equatorialToEcliptic_Cartesian(p[0],p[1],p[2],xa.getObliquity());s.set(y,h*3);let x=new re(ib(f));a.set(x.toArray(),h*3),o[h]=nb(m,this._options.minSize||3)});let l=new Ke({uniforms:{},vertexColors:!0,vertexShader:yh,fragmentShader:_h,transparent:!0});this._stars=new gi(n,l),this._stars.name=this._id,this._simulation&&this._simulation.addObject(this,!0)})}get3jsObjects(){return this._stars?[this._stars]:[]}getId(){return this._id}update(){}isVisible(){var e,t;return(t=(e=this._stars)==null?void 0:e.visible)!=null?t:!1}setVisibility(e){this._stars&&(this._stars.visible=e)}removalCleanup(){var e;this._stars&&(this._stars.geometry.dispose(),this._stars.material.dispose(),(e=this._stars.material.map)==null||e.dispose())}};var Mv=class{constructor(e,t){this.simulationElt=e,this.options=t||{},this.options.basePath=this.options.basePath||Vg(),this.jd=typeof this.options.jd=="undefined"?Number((0,Th.default)(this.options.startDate||new Date)):this.options.jd,this.jdDelta=this.options.jdDelta,this.jdPerSecond=this.options.jdPerSecond||100,this.isPaused=t.startPaused||!1,this.onTick=void 0,this.enableCameraDrift=!1,this.cameraDefaultPos=en([0,-10,5]),this.options.camera&&(this.enableCameraDrift=!!this.options.camera.enableDrift,this.options.camera.initialPosition&&(this.cameraDefaultPos=en(this.options.camera.initialPosition))),this.useLightSources=!1,this.lightPosition=void 0,this.subscribedObjects={},this.neverUpdatedObjects=new Set,Xe.DEFAULT_UP=new b(0,0,1),this.options.unitsPerAu&&kg(this.options.unitsPerAu),this.stats=void 0,this.fps=1,this.lastUpdatedTime=Date.now(),this.lastStaticCameraUpdateTime=Date.now(),this.lastResizeUpdateTime=Date.now(),this.renderEnabled=!0,this.initialRenderComplete=!1,this.animate=this.animate.bind(this),this.renderer=this.initRenderer(),this.scene=new Pn,this.camera=new mh(this.getContext()),this.composer=void 0,this.particles=new or({textureUrl:this.options.particleTextureUrl||"{{assets}}/sprites/smallparticle.png",jd:this.jd,maxNumParticles:this.options.maxNumParticles,defaultSize:this.options.particleDefaultSize},this),this.init(),this.animate()}init(){if(this.camera.get3jsCamera().position.set(this.cameraDefaultPos[0],this.cameraDefaultPos[1],this.cameraDefaultPos[2]),this.simulationElt.onmousedown=this.simulationElt.ontouchstart=()=>{this.enableCameraDrift=!1},(()=>{let e=!1;this.camera.get3jsCameraControls().addEventListener("change",()=>{e&&this.staticForcedUpdate()}),setTimeout(()=>{this.staticForcedUpdate(),e=!0,this.initialRenderComplete=!0},0)})(),this.simulationElt.addEventListener("resize",()=>{this.resizeUpdate()}),window.addEventListener("resize",()=>{this.resizeUpdate()}),this.options.debug){if(this.options.debug.showGrid){let e=new jr(void 0,void 0);e.geometry.rotateX(Math.PI/2),this.scene.add(e)}this.options.debug.showAxes&&this.scene.add(new $o(.5)),this.options.debug.showStats&&(this.stats=new $g,this.stats.showPanel(0),this.simulationElt.appendChild(this.stats.dom))}this.initPasses()}initRenderer(){let e=new fh({antialias:!0});console.info("Max texture resolution:",e.capabilities.maxTextureSize);let t=e.capabilities.getMaxPrecision("highp");return t!=="highp"&&console.warn(`Shader maximum precision is "${t}", GPU rendering may not be accurate.`),e.setPixelRatio(window.devicePixelRatio),e.setSize(this.simulationElt.offsetWidth,this.simulationElt.offsetHeight),this.simulationElt.appendChild(e.domElement),e}initPasses(){let e=this.camera.get3jsCamera(),t=new av({width:240,height:240,luminanceThreshold:.2});t.blendMode.opacity.value=2.3;let i=new ov(this.scene,e);i.renderToScreen=!1;let n=new cv(e,t);n.renderToScreen=!0;let s=new rv(this.renderer);s.addPass(i),s.addPass(n),this.composer=s}update(e=!1){for(let t in this.subscribedObjects)if(this.subscribedObjects.hasOwnProperty(t)&&!this.neverUpdatedObjects.has(t)){let i=this.subscribedObjects[t];i.isVisible()&&i.update(this.jd,e)}}staticForcedUpdate(){if(this.isPaused){let e=Date.now();e-this.lastStaticCameraUpdateTime>30&&(this.update(!0),this.lastStaticCameraUpdateTime=e)}}resizeUpdate(){let e=Date.now();if(e-this.lastResizeUpdateTime>30){let n=this.simulationElt.offsetWidth,s=this.simulationElt.offsetHeight;if(n===0&&s===0)return;let a=this.camera.get3jsCamera();a.aspect=n/s,a.updateProjectionMatrix(),this.renderer.setSize(n,s),this.staticForcedUpdate(),this.lastResizeUpdateTime=e}}doCameraDrift(){let e=1e-4*Date.now(),t=this.cameraDefaultPos,i=this.camera.get3jsCamera();i.position.x=t[0]+t[0]*(Math.cos(e)+1)/3,i.position.z=t[2]+t[2]*(Math.sin(e)+1)/3}animate(){if(!(!this.renderEnabled&&this.initialRenderComplete)){if(window.requestAnimationFrame(this.animate),this.stats&&this.stats.begin(),!this.isPaused){this.jdDelta?this.jd+=this.jdDelta:this.jd+=this.jdPerSecond/this.fps;let e=(Date.now()-this.lastUpdatedTime)/1e3;this.lastUpdatedTime=Date.now(),this.fps=1/e||1,this.update()}this.enableCameraDrift&&this.doCameraDrift(),this.camera.update(),this.renderer.render(this.scene,this.camera.get3jsCamera()),this.onTick&&this.onTick(),this.stats&&this.stats.end()}}addObject(e,t=!1){e.get3jsObjects().map(n=>{this.scene.add(n)});let i=e.getId();this.subscribedObjects[i]&&console.error(`Object id is not unique: "${i}". This could prevent objects from updating correctly.`),this.subscribedObjects[i]=e,t&&this.neverUpdatedObjects.add(e.getId())}getObject(e){return this.subscribedObjects[e]}removeObject(e){!this.subscribedObjects[e.getId()]||(e.get3jsObjects().map(t=>{this.scene.remove(t)}),typeof e.removalCleanup=="function"&&e.removalCleanup(),delete this.subscribedObjects[e.getId()],this.neverUpdatedObjects.delete(e.getId()))}removalCleanup(){this.renderEnabled=!1;for(let t in this.subscribedObjects)this.subscribedObjects.hasOwnProperty(t)&&this.removeObject(this.subscribedObjects[t]);let e=this.getRenderer();e.dispose(),e.domElement.remove(),this.scene.clear(),e.forceContextLoss()}createObject(...e){return new Aa(...e,this)}createShape(...e){return new Sh(...e,this)}createSphere(...e){return new Mh(...e,this)}createStaticParticles(...e){return new bh(...e,this)}createSkybox(...e){return new Eh(...e,this)}createStars(...e){return e.length?new sl(...e,this):new sl({},this)}createAmbientLight(e=3355443){let t=new da(e);t.name="ambient-light",this.scene.add(t),this.useLightSources=!0}createLight(e=void 0,t=16777215){this.lightPosition&&console.warn("Spacekit doesn't support more than one light source for SphereObjects"),this.lightPosition=new b;let i=new ha;if(typeof e=="undefined")this.camera.get3jsCameraControls().addEventListener("change",()=>{this.lightPosition.copy(this.camera.get3jsCamera().position),i.position.copy(this.camera.get3jsCamera().position)});else{let n=en(e);this.lightPosition.set(n[0],n[1],n[2]),i.position.set(n[0],n[1],n[2])}i.name="point-light",this.scene.add(i),this.useLightSources=!0}getLightPosition(){return this.lightPosition}isUsingLightSources(){return this.useLightSources}loadNaturalSatellites(){return new vh(this).load()}renderOnlyInViewport(){let e=!0,t=()=>{let i=this.simulationElt.getBoundingClientRect(),n=window.innerHeight||document.documentElement.clientHeight,s=window.innerWidth||document.documentElement.clientWidth,a=i.top<=n&&i.top+i.height>=0,o=i.left<=s&&i.left+i.width>=0;return a&&o};window.addEventListener("scroll",()=>{let i=t();e&&!i?(this.renderEnabled=!1,e=!1):!e&&i&&(this.renderEnabled=!0,window.requestAnimationFrame(this.animate),e=!0)}),t()||(this.renderEnabled=!1,e=!1)}zoomToFit(e,t=3){return ui(this,null,function*(){let i=e.getOrbit(),n=i?i.getOrbitShape():yield e.getBoundingObject();return n?(this.doZoomToFit(n,t),!0):!1})}doZoomToFit(e,t){let i=new Ht;i.setFromObject(e);let n=new b;i.getCenter(n);let s=new b;i.getSize(s);let a=this.camera.get3jsCamera(),o=Math.max(s.x,s.y,s.z),l=a.fov*(Math.PI/180),c=Math.abs(o/2*Math.tan(l*2))*t,h=new b;e.getWorldPosition(h);let f=a.position.sub(h).normalize().multiplyScalar(c);a.position.x=f.x,a.position.y=f.y,a.position.z=f.z,a.updateProjectionMatrix(),this.cameraDefaultPos=[f.x,f.y,f.z]}start(){this.lastUpdatedTime=Date.now(),this.isPaused=!1}stop(){this.isPaused=!0}getJd(){return this.jd}setJd(e){this.jd=e,this.update(!0)}getDate(){return Th.default.toDate(this.jd)}setDate(e){this.setJd(Number((0,Th.default)(e)))}getJdDelta(){return this.jdDelta?this.jdDelta:this.jdPerSecond/this.fps}setJdDelta(e){this.jdDelta=e}getJdPerSecond(){if(!this.jdDelta)return this.jdPerSecond}setJdPerSecond(e){this.jdDelta=void 0,this.jdPerSecond=e}getContext(){return{simulation:this,options:this.options,objects:{particles:this.particles,camera:this.camera,scene:this.scene,renderer:this.renderer,composer:this.composer},container:{width:this.simulationElt.offsetWidth,height:this.simulationElt.offsetHeight}}}getSimulationElement(){return this.simulationElt}getViewer(){return this.camera}getScene(){return this.scene}getRenderer(){return this.renderer}setCameraDrift(e){this.enableCameraDrift=e}};var rb=mf;return sb;})(); /** * @license - * Copyright 2010-2021 Three.js Authors + * Copyright 2010-2025 Three.js Authors * SPDX-License-Identifier: MIT */ /** - * postprocessing v6.29.0 build Mon Oct 17 2022 + * postprocessing v6.36.7 build Thu Feb 06 2025 * https://github.com/pmndrs/postprocessing - * Copyright 2015-2022 Raoul van Rüschen + * Copyright 2015-2025 Raoul van Rüschen * @license Zlib */ //# sourceMappingURL=spacekit.js.map diff --git a/build/spacekit.js.map b/build/spacekit.js.map index 0ebff58..7fb5b99 100644 --- a/build/spacekit.js.map +++ b/build/spacekit.js.map @@ -1,7 +1,7 @@ { "version": 3, - "sources": ["../node_modules/julian/index.js", "../src/index.ts", "../node_modules/three/build/three.module.js", "../node_modules/three/examples/jsm/controls/OrbitControls.js", "../src/Scale.ts", "../src/Camera.ts", "../src/Units.ts", "../src/Coordinates.ts", "../src/Ephem.ts", "../src/Math.ts", "../src/util.ts", "../src/EphemerisTable.ts", "../src/EphemPresets.ts", "../src/Orbit.ts", "../src/Simulation.ts", "../node_modules/three/examples/jsm/libs/stats.module.js", "../node_modules/postprocessing/build/postprocessing.esm.js", "../src/shaders.ts", "../src/KeplerParticles.ts", "../node_modules/three/examples/jsm/loaders/OBJLoader.js", "../src/SpaceObject.ts", "../src/RotatingObject.ts", "../src/ShapeObject.ts", "../src/Skybox.ts", "../src/SphereObject.ts", "../src/StaticParticles.ts", "../src/Stars.ts"], - "sourcesContent": ["module.exports = convert;\nmodule.exports.toDate = convertToDate;\n\nmodule.exports.toJulianDay = toJulianDay;\nmodule.exports.toMillisecondsInJulianDay = toMillisecondsInJulianDay;\nmodule.exports.fromJulianDayAndMilliseconds = fromJulianDayAndMilliseconds;\n\nvar DAY = 86400000;\nvar HALF_DAY = DAY / 2;\nvar UNIX_EPOCH_JULIAN_DATE = 2440587.5;\nvar UNIX_EPOCH_JULIAN_DAY = 2440587;\n\nfunction convert(date) {\n return (toJulianDay(date) + (toMillisecondsInJulianDay(date) / DAY)).toFixed(6);\n};\n\nfunction convertToDate(julian) {\n return new Date((Number(julian) - UNIX_EPOCH_JULIAN_DATE) * DAY);\n};\n\nfunction toJulianDay(date) {\n return ~~((+date + HALF_DAY) / DAY) + UNIX_EPOCH_JULIAN_DAY;\n};\n\nfunction toMillisecondsInJulianDay(date) {\n return (+date + HALF_DAY) % DAY;\n};\n\nfunction fromJulianDayAndMilliseconds(day, ms) {\n return (day - UNIX_EPOCH_JULIAN_DATE) * DAY + ms;\n};\n", "export * from './Camera';\nexport * from './Coordinates';\nexport * from './Ephem';\nexport * from './EphemerisTable';\nexport * from './EphemPresets';\nexport * from './Orbit';\nexport * from './Simulation';\nexport * from './Skybox';\nexport * from './SpaceObject';\nexport * from './RotatingObject';\nexport * from './ShapeObject';\nexport * from './SphereObject';\nexport * from './StaticParticles';\nexport * from './KeplerParticles';\nexport * from './Stars';\nexport * from './Units';\n\nimport * as _THREE from 'three';\nexport const THREE = _THREE;\n", "/**\n * @license\n * Copyright 2010-2021 Three.js Authors\n * SPDX-License-Identifier: MIT\n */\nconst REVISION = '135';\nconst MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2, ROTATE: 0, DOLLY: 1, PAN: 2 };\nconst TOUCH = { ROTATE: 0, PAN: 1, DOLLY_PAN: 2, DOLLY_ROTATE: 3 };\nconst CullFaceNone = 0;\nconst CullFaceBack = 1;\nconst CullFaceFront = 2;\nconst CullFaceFrontBack = 3;\nconst BasicShadowMap = 0;\nconst PCFShadowMap = 1;\nconst PCFSoftShadowMap = 2;\nconst VSMShadowMap = 3;\nconst FrontSide = 0;\nconst BackSide = 1;\nconst DoubleSide = 2;\nconst FlatShading = 1;\nconst SmoothShading = 2;\nconst NoBlending = 0;\nconst NormalBlending = 1;\nconst AdditiveBlending = 2;\nconst SubtractiveBlending = 3;\nconst MultiplyBlending = 4;\nconst CustomBlending = 5;\nconst AddEquation = 100;\nconst SubtractEquation = 101;\nconst ReverseSubtractEquation = 102;\nconst MinEquation = 103;\nconst MaxEquation = 104;\nconst ZeroFactor = 200;\nconst OneFactor = 201;\nconst SrcColorFactor = 202;\nconst OneMinusSrcColorFactor = 203;\nconst SrcAlphaFactor = 204;\nconst OneMinusSrcAlphaFactor = 205;\nconst DstAlphaFactor = 206;\nconst OneMinusDstAlphaFactor = 207;\nconst DstColorFactor = 208;\nconst OneMinusDstColorFactor = 209;\nconst SrcAlphaSaturateFactor = 210;\nconst NeverDepth = 0;\nconst AlwaysDepth = 1;\nconst LessDepth = 2;\nconst LessEqualDepth = 3;\nconst EqualDepth = 4;\nconst GreaterEqualDepth = 5;\nconst GreaterDepth = 6;\nconst NotEqualDepth = 7;\nconst MultiplyOperation = 0;\nconst MixOperation = 1;\nconst AddOperation = 2;\nconst NoToneMapping = 0;\nconst LinearToneMapping = 1;\nconst ReinhardToneMapping = 2;\nconst CineonToneMapping = 3;\nconst ACESFilmicToneMapping = 4;\nconst CustomToneMapping = 5;\n\nconst UVMapping = 300;\nconst CubeReflectionMapping = 301;\nconst CubeRefractionMapping = 302;\nconst EquirectangularReflectionMapping = 303;\nconst EquirectangularRefractionMapping = 304;\nconst CubeUVReflectionMapping = 306;\nconst CubeUVRefractionMapping = 307;\nconst RepeatWrapping = 1000;\nconst ClampToEdgeWrapping = 1001;\nconst MirroredRepeatWrapping = 1002;\nconst NearestFilter = 1003;\nconst NearestMipmapNearestFilter = 1004;\nconst NearestMipMapNearestFilter = 1004;\nconst NearestMipmapLinearFilter = 1005;\nconst NearestMipMapLinearFilter = 1005;\nconst LinearFilter = 1006;\nconst LinearMipmapNearestFilter = 1007;\nconst LinearMipMapNearestFilter = 1007;\nconst LinearMipmapLinearFilter = 1008;\nconst LinearMipMapLinearFilter = 1008;\nconst UnsignedByteType = 1009;\nconst ByteType = 1010;\nconst ShortType = 1011;\nconst UnsignedShortType = 1012;\nconst IntType = 1013;\nconst UnsignedIntType = 1014;\nconst FloatType = 1015;\nconst HalfFloatType = 1016;\nconst UnsignedShort4444Type = 1017;\nconst UnsignedShort5551Type = 1018;\nconst UnsignedShort565Type = 1019;\nconst UnsignedInt248Type = 1020;\nconst AlphaFormat = 1021;\nconst RGBFormat = 1022;\nconst RGBAFormat = 1023;\nconst LuminanceFormat = 1024;\nconst LuminanceAlphaFormat = 1025;\nconst RGBEFormat = RGBAFormat;\nconst DepthFormat = 1026;\nconst DepthStencilFormat = 1027;\nconst RedFormat = 1028;\nconst RedIntegerFormat = 1029;\nconst RGFormat = 1030;\nconst RGIntegerFormat = 1031;\nconst RGBIntegerFormat = 1032;\nconst RGBAIntegerFormat = 1033;\n\nconst RGB_S3TC_DXT1_Format = 33776;\nconst RGBA_S3TC_DXT1_Format = 33777;\nconst RGBA_S3TC_DXT3_Format = 33778;\nconst RGBA_S3TC_DXT5_Format = 33779;\nconst RGB_PVRTC_4BPPV1_Format = 35840;\nconst RGB_PVRTC_2BPPV1_Format = 35841;\nconst RGBA_PVRTC_4BPPV1_Format = 35842;\nconst RGBA_PVRTC_2BPPV1_Format = 35843;\nconst RGB_ETC1_Format = 36196;\nconst RGB_ETC2_Format = 37492;\nconst RGBA_ETC2_EAC_Format = 37496;\nconst RGBA_ASTC_4x4_Format = 37808;\nconst RGBA_ASTC_5x4_Format = 37809;\nconst RGBA_ASTC_5x5_Format = 37810;\nconst RGBA_ASTC_6x5_Format = 37811;\nconst RGBA_ASTC_6x6_Format = 37812;\nconst RGBA_ASTC_8x5_Format = 37813;\nconst RGBA_ASTC_8x6_Format = 37814;\nconst RGBA_ASTC_8x8_Format = 37815;\nconst RGBA_ASTC_10x5_Format = 37816;\nconst RGBA_ASTC_10x6_Format = 37817;\nconst RGBA_ASTC_10x8_Format = 37818;\nconst RGBA_ASTC_10x10_Format = 37819;\nconst RGBA_ASTC_12x10_Format = 37820;\nconst RGBA_ASTC_12x12_Format = 37821;\nconst RGBA_BPTC_Format = 36492;\nconst SRGB8_ALPHA8_ASTC_4x4_Format = 37840;\nconst SRGB8_ALPHA8_ASTC_5x4_Format = 37841;\nconst SRGB8_ALPHA8_ASTC_5x5_Format = 37842;\nconst SRGB8_ALPHA8_ASTC_6x5_Format = 37843;\nconst SRGB8_ALPHA8_ASTC_6x6_Format = 37844;\nconst SRGB8_ALPHA8_ASTC_8x5_Format = 37845;\nconst SRGB8_ALPHA8_ASTC_8x6_Format = 37846;\nconst SRGB8_ALPHA8_ASTC_8x8_Format = 37847;\nconst SRGB8_ALPHA8_ASTC_10x5_Format = 37848;\nconst SRGB8_ALPHA8_ASTC_10x6_Format = 37849;\nconst SRGB8_ALPHA8_ASTC_10x8_Format = 37850;\nconst SRGB8_ALPHA8_ASTC_10x10_Format = 37851;\nconst SRGB8_ALPHA8_ASTC_12x10_Format = 37852;\nconst SRGB8_ALPHA8_ASTC_12x12_Format = 37853;\nconst LoopOnce = 2200;\nconst LoopRepeat = 2201;\nconst LoopPingPong = 2202;\nconst InterpolateDiscrete = 2300;\nconst InterpolateLinear = 2301;\nconst InterpolateSmooth = 2302;\nconst ZeroCurvatureEnding = 2400;\nconst ZeroSlopeEnding = 2401;\nconst WrapAroundEnding = 2402;\nconst NormalAnimationBlendMode = 2500;\nconst AdditiveAnimationBlendMode = 2501;\nconst TrianglesDrawMode = 0;\nconst TriangleStripDrawMode = 1;\nconst TriangleFanDrawMode = 2;\nconst LinearEncoding = 3000;\nconst sRGBEncoding = 3001;\nconst GammaEncoding = 3007;\nconst RGBEEncoding = 3002;\nconst RGBM7Encoding = 3004;\nconst RGBM16Encoding = 3005;\nconst RGBDEncoding = 3006;\nconst BasicDepthPacking = 3200;\nconst RGBADepthPacking = 3201;\nconst TangentSpaceNormalMap = 0;\nconst ObjectSpaceNormalMap = 1;\n\nconst ZeroStencilOp = 0;\nconst KeepStencilOp = 7680;\nconst ReplaceStencilOp = 7681;\nconst IncrementStencilOp = 7682;\nconst DecrementStencilOp = 7683;\nconst IncrementWrapStencilOp = 34055;\nconst DecrementWrapStencilOp = 34056;\nconst InvertStencilOp = 5386;\n\nconst NeverStencilFunc = 512;\nconst LessStencilFunc = 513;\nconst EqualStencilFunc = 514;\nconst LessEqualStencilFunc = 515;\nconst GreaterStencilFunc = 516;\nconst NotEqualStencilFunc = 517;\nconst GreaterEqualStencilFunc = 518;\nconst AlwaysStencilFunc = 519;\n\nconst StaticDrawUsage = 35044;\nconst DynamicDrawUsage = 35048;\nconst StreamDrawUsage = 35040;\nconst StaticReadUsage = 35045;\nconst DynamicReadUsage = 35049;\nconst StreamReadUsage = 35041;\nconst StaticCopyUsage = 35046;\nconst DynamicCopyUsage = 35050;\nconst StreamCopyUsage = 35042;\n\nconst GLSL1 = '100';\nconst GLSL3 = '300 es';\n\n/**\n * https://github.com/mrdoob/eventdispatcher.js/\n */\n\nclass EventDispatcher {\n\n\taddEventListener( type, listener ) {\n\n\t\tif ( this._listeners === undefined ) this._listeners = {};\n\n\t\tconst listeners = this._listeners;\n\n\t\tif ( listeners[ type ] === undefined ) {\n\n\t\t\tlisteners[ type ] = [];\n\n\t\t}\n\n\t\tif ( listeners[ type ].indexOf( listener ) === - 1 ) {\n\n\t\t\tlisteners[ type ].push( listener );\n\n\t\t}\n\n\t}\n\n\thasEventListener( type, listener ) {\n\n\t\tif ( this._listeners === undefined ) return false;\n\n\t\tconst listeners = this._listeners;\n\n\t\treturn listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1;\n\n\t}\n\n\tremoveEventListener( type, listener ) {\n\n\t\tif ( this._listeners === undefined ) return;\n\n\t\tconst listeners = this._listeners;\n\t\tconst listenerArray = listeners[ type ];\n\n\t\tif ( listenerArray !== undefined ) {\n\n\t\t\tconst index = listenerArray.indexOf( listener );\n\n\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\tlistenerArray.splice( index, 1 );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tdispatchEvent( event ) {\n\n\t\tif ( this._listeners === undefined ) return;\n\n\t\tconst listeners = this._listeners;\n\t\tconst listenerArray = listeners[ event.type ];\n\n\t\tif ( listenerArray !== undefined ) {\n\n\t\t\tevent.target = this;\n\n\t\t\t// Make a copy, in case listeners are removed while iterating.\n\t\t\tconst array = listenerArray.slice( 0 );\n\n\t\t\tfor ( let i = 0, l = array.length; i < l; i ++ ) {\n\n\t\t\t\tarray[ i ].call( this, event );\n\n\t\t\t}\n\n\t\t\tevent.target = null;\n\n\t\t}\n\n\t}\n\n}\n\nconst _lut = [];\n\nfor ( let i = 0; i < 256; i ++ ) {\n\n\t_lut[ i ] = ( i < 16 ? '0' : '' ) + ( i ).toString( 16 );\n\n}\n\nlet _seed = 1234567;\n\n\nconst DEG2RAD = Math.PI / 180;\nconst RAD2DEG = 180 / Math.PI;\n\n// http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/21963136#21963136\nfunction generateUUID() {\n\n\tconst d0 = Math.random() * 0xffffffff | 0;\n\tconst d1 = Math.random() * 0xffffffff | 0;\n\tconst d2 = Math.random() * 0xffffffff | 0;\n\tconst d3 = Math.random() * 0xffffffff | 0;\n\tconst uuid = _lut[ d0 & 0xff ] + _lut[ d0 >> 8 & 0xff ] + _lut[ d0 >> 16 & 0xff ] + _lut[ d0 >> 24 & 0xff ] + '-' +\n\t\t\t_lut[ d1 & 0xff ] + _lut[ d1 >> 8 & 0xff ] + '-' + _lut[ d1 >> 16 & 0x0f | 0x40 ] + _lut[ d1 >> 24 & 0xff ] + '-' +\n\t\t\t_lut[ d2 & 0x3f | 0x80 ] + _lut[ d2 >> 8 & 0xff ] + '-' + _lut[ d2 >> 16 & 0xff ] + _lut[ d2 >> 24 & 0xff ] +\n\t\t\t_lut[ d3 & 0xff ] + _lut[ d3 >> 8 & 0xff ] + _lut[ d3 >> 16 & 0xff ] + _lut[ d3 >> 24 & 0xff ];\n\n\t// .toUpperCase() here flattens concatenated strings to save heap memory space.\n\treturn uuid.toUpperCase();\n\n}\n\nfunction clamp( value, min, max ) {\n\n\treturn Math.max( min, Math.min( max, value ) );\n\n}\n\n// compute euclidian modulo of m % n\n// https://en.wikipedia.org/wiki/Modulo_operation\nfunction euclideanModulo( n, m ) {\n\n\treturn ( ( n % m ) + m ) % m;\n\n}\n\n// Linear mapping from range to range \nfunction mapLinear( x, a1, a2, b1, b2 ) {\n\n\treturn b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 );\n\n}\n\n// https://www.gamedev.net/tutorials/programming/general-and-gameplay-programming/inverse-lerp-a-super-useful-yet-often-overlooked-function-r5230/\nfunction inverseLerp( x, y, value ) {\n\n\tif ( x !== y ) {\n\n\t\treturn ( value - x ) / ( y - x );\n\n\t} else {\n\n\t\treturn 0;\n\n\t}\n\n}\n\n// https://en.wikipedia.org/wiki/Linear_interpolation\nfunction lerp( x, y, t ) {\n\n\treturn ( 1 - t ) * x + t * y;\n\n}\n\n// http://www.rorydriscoll.com/2016/03/07/frame-rate-independent-damping-using-lerp/\nfunction damp( x, y, lambda, dt ) {\n\n\treturn lerp( x, y, 1 - Math.exp( - lambda * dt ) );\n\n}\n\n// https://www.desmos.com/calculator/vcsjnyz7x4\nfunction pingpong( x, length = 1 ) {\n\n\treturn length - Math.abs( euclideanModulo( x, length * 2 ) - length );\n\n}\n\n// http://en.wikipedia.org/wiki/Smoothstep\nfunction smoothstep( x, min, max ) {\n\n\tif ( x <= min ) return 0;\n\tif ( x >= max ) return 1;\n\n\tx = ( x - min ) / ( max - min );\n\n\treturn x * x * ( 3 - 2 * x );\n\n}\n\nfunction smootherstep( x, min, max ) {\n\n\tif ( x <= min ) return 0;\n\tif ( x >= max ) return 1;\n\n\tx = ( x - min ) / ( max - min );\n\n\treturn x * x * x * ( x * ( x * 6 - 15 ) + 10 );\n\n}\n\n// Random integer from interval\nfunction randInt( low, high ) {\n\n\treturn low + Math.floor( Math.random() * ( high - low + 1 ) );\n\n}\n\n// Random float from interval\nfunction randFloat( low, high ) {\n\n\treturn low + Math.random() * ( high - low );\n\n}\n\n// Random float from <-range/2, range/2> interval\nfunction randFloatSpread( range ) {\n\n\treturn range * ( 0.5 - Math.random() );\n\n}\n\n// Deterministic pseudo-random float in the interval [ 0, 1 ]\nfunction seededRandom( s ) {\n\n\tif ( s !== undefined ) _seed = s % 2147483647;\n\n\t// Park-Miller algorithm\n\n\t_seed = _seed * 16807 % 2147483647;\n\n\treturn ( _seed - 1 ) / 2147483646;\n\n}\n\nfunction degToRad( degrees ) {\n\n\treturn degrees * DEG2RAD;\n\n}\n\nfunction radToDeg( radians ) {\n\n\treturn radians * RAD2DEG;\n\n}\n\nfunction isPowerOfTwo( value ) {\n\n\treturn ( value & ( value - 1 ) ) === 0 && value !== 0;\n\n}\n\nfunction ceilPowerOfTwo( value ) {\n\n\treturn Math.pow( 2, Math.ceil( Math.log( value ) / Math.LN2 ) );\n\n}\n\nfunction floorPowerOfTwo( value ) {\n\n\treturn Math.pow( 2, Math.floor( Math.log( value ) / Math.LN2 ) );\n\n}\n\nfunction setQuaternionFromProperEuler( q, a, b, c, order ) {\n\n\t// Intrinsic Proper Euler Angles - see https://en.wikipedia.org/wiki/Euler_angles\n\n\t// rotations are applied to the axes in the order specified by 'order'\n\t// rotation by angle 'a' is applied first, then by angle 'b', then by angle 'c'\n\t// angles are in radians\n\n\tconst cos = Math.cos;\n\tconst sin = Math.sin;\n\n\tconst c2 = cos( b / 2 );\n\tconst s2 = sin( b / 2 );\n\n\tconst c13 = cos( ( a + c ) / 2 );\n\tconst s13 = sin( ( a + c ) / 2 );\n\n\tconst c1_3 = cos( ( a - c ) / 2 );\n\tconst s1_3 = sin( ( a - c ) / 2 );\n\n\tconst c3_1 = cos( ( c - a ) / 2 );\n\tconst s3_1 = sin( ( c - a ) / 2 );\n\n\tswitch ( order ) {\n\n\t\tcase 'XYX':\n\t\t\tq.set( c2 * s13, s2 * c1_3, s2 * s1_3, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'YZY':\n\t\t\tq.set( s2 * s1_3, c2 * s13, s2 * c1_3, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'ZXZ':\n\t\t\tq.set( s2 * c1_3, s2 * s1_3, c2 * s13, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'XZX':\n\t\t\tq.set( c2 * s13, s2 * s3_1, s2 * c3_1, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'YXY':\n\t\t\tq.set( s2 * c3_1, c2 * s13, s2 * s3_1, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'ZYZ':\n\t\t\tq.set( s2 * s3_1, s2 * c3_1, c2 * s13, c2 * c13 );\n\t\t\tbreak;\n\n\t\tdefault:\n\t\t\tconsole.warn( 'THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: ' + order );\n\n\t}\n\n}\n\nvar MathUtils = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tDEG2RAD: DEG2RAD,\n\tRAD2DEG: RAD2DEG,\n\tgenerateUUID: generateUUID,\n\tclamp: clamp,\n\teuclideanModulo: euclideanModulo,\n\tmapLinear: mapLinear,\n\tinverseLerp: inverseLerp,\n\tlerp: lerp,\n\tdamp: damp,\n\tpingpong: pingpong,\n\tsmoothstep: smoothstep,\n\tsmootherstep: smootherstep,\n\trandInt: randInt,\n\trandFloat: randFloat,\n\trandFloatSpread: randFloatSpread,\n\tseededRandom: seededRandom,\n\tdegToRad: degToRad,\n\tradToDeg: radToDeg,\n\tisPowerOfTwo: isPowerOfTwo,\n\tceilPowerOfTwo: ceilPowerOfTwo,\n\tfloorPowerOfTwo: floorPowerOfTwo,\n\tsetQuaternionFromProperEuler: setQuaternionFromProperEuler\n});\n\nclass Vector2 {\n\n\tconstructor( x = 0, y = 0 ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\n\t}\n\n\tget width() {\n\n\t\treturn this.x;\n\n\t}\n\n\tset width( value ) {\n\n\t\tthis.x = value;\n\n\t}\n\n\tget height() {\n\n\t\treturn this.y;\n\n\t}\n\n\tset height( value ) {\n\n\t\tthis.y = value;\n\n\t}\n\n\tset( x, y ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y );\n\n\t}\n\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\n\t\treturn this;\n\n\t}\n\n\tadd( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\treturn this.addVectors( v, w );\n\n\t\t}\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\n\t\treturn this;\n\n\t}\n\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\n\t\treturn this;\n\n\t}\n\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\treturn this.subVectors( v, w );\n\n\t\t}\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\n\t\treturn this;\n\n\t}\n\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\n\t\treturn this;\n\n\t}\n\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( v ) {\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\tdivide( v ) {\n\n\t\tthis.x /= v.x;\n\t\tthis.y /= v.y;\n\n\t\treturn this;\n\n\t}\n\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tconst x = this.x, y = this.y;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ];\n\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ];\n\n\t\treturn this;\n\n\t}\n\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\n\t\treturn this;\n\n\t}\n\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\n\t\treturn this;\n\n\t}\n\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = Math.max( minVal, Math.min( maxVal, this.x ) );\n\t\tthis.y = Math.max( minVal, Math.min( maxVal, this.y ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) );\n\n\t}\n\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\n\t\treturn this;\n\n\t}\n\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\n\t\treturn this;\n\n\t}\n\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\n\t\treturn this;\n\n\t}\n\n\troundToZero() {\n\n\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y;\n\n\t}\n\n\tcross( v ) {\n\n\t\treturn this.x * v.y - this.y * v.x;\n\n\t}\n\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y );\n\n\t}\n\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y );\n\n\t}\n\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\tangle() {\n\n\t\t// computes the angle in radians with respect to the positive x-axis\n\n\t\tconst angle = Math.atan2( - this.y, - this.x ) + Math.PI;\n\n\t\treturn angle;\n\n\t}\n\n\tdistanceTo( v ) {\n\n\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t}\n\n\tdistanceToSquared( v ) {\n\n\t\tconst dx = this.x - v.x, dy = this.y - v.y;\n\t\treturn dx * dx + dy * dy;\n\n\t}\n\n\tmanhattanDistanceTo( v ) {\n\n\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y );\n\n\t}\n\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index, offset ) {\n\n\t\tif ( offset !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector2: offset has been removed from .fromBufferAttribute().' );\n\n\t\t}\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\n\t\treturn this;\n\n\t}\n\n\trotateAround( center, angle ) {\n\n\t\tconst c = Math.cos( angle ), s = Math.sin( angle );\n\n\t\tconst x = this.x - center.x;\n\t\tconst y = this.y - center.y;\n\n\t\tthis.x = x * c - y * s + center.x;\n\t\tthis.y = x * s + y * c + center.y;\n\n\t\treturn this;\n\n\t}\n\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\n\t\treturn this;\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.x;\n\t\tyield this.y;\n\n\t}\n\n}\n\nVector2.prototype.isVector2 = true;\n\nclass Matrix3 {\n\n\tconstructor() {\n\n\t\tthis.elements = [\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t];\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tset( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31;\n\t\tte[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32;\n\t\tte[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33;\n\n\t\treturn this;\n\n\t}\n\n\tidentity() {\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tcopy( m ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tte[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ];\n\t\tte[ 3 ] = me[ 3 ]; te[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ];\n\t\tte[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ]; te[ 8 ] = me[ 8 ];\n\n\t\treturn this;\n\n\t}\n\n\textractBasis( xAxis, yAxis, zAxis ) {\n\n\t\txAxis.setFromMatrix3Column( this, 0 );\n\t\tyAxis.setFromMatrix3Column( this, 1 );\n\t\tzAxis.setFromMatrix3Column( this, 2 );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrix4( m ) {\n\n\t\tconst me = m.elements;\n\n\t\tthis.set(\n\n\t\t\tme[ 0 ], me[ 4 ], me[ 8 ],\n\t\t\tme[ 1 ], me[ 5 ], me[ 9 ],\n\t\t\tme[ 2 ], me[ 6 ], me[ 10 ]\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( m ) {\n\n\t\treturn this.multiplyMatrices( this, m );\n\n\t}\n\n\tpremultiply( m ) {\n\n\t\treturn this.multiplyMatrices( m, this );\n\n\t}\n\n\tmultiplyMatrices( a, b ) {\n\n\t\tconst ae = a.elements;\n\t\tconst be = b.elements;\n\t\tconst te = this.elements;\n\n\t\tconst a11 = ae[ 0 ], a12 = ae[ 3 ], a13 = ae[ 6 ];\n\t\tconst a21 = ae[ 1 ], a22 = ae[ 4 ], a23 = ae[ 7 ];\n\t\tconst a31 = ae[ 2 ], a32 = ae[ 5 ], a33 = ae[ 8 ];\n\n\t\tconst b11 = be[ 0 ], b12 = be[ 3 ], b13 = be[ 6 ];\n\t\tconst b21 = be[ 1 ], b22 = be[ 4 ], b23 = be[ 7 ];\n\t\tconst b31 = be[ 2 ], b32 = be[ 5 ], b33 = be[ 8 ];\n\n\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31;\n\t\tte[ 3 ] = a11 * b12 + a12 * b22 + a13 * b32;\n\t\tte[ 6 ] = a11 * b13 + a12 * b23 + a13 * b33;\n\n\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31;\n\t\tte[ 4 ] = a21 * b12 + a22 * b22 + a23 * b32;\n\t\tte[ 7 ] = a21 * b13 + a22 * b23 + a23 * b33;\n\n\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31;\n\t\tte[ 5 ] = a31 * b12 + a32 * b22 + a33 * b32;\n\t\tte[ 8 ] = a31 * b13 + a32 * b23 + a33 * b33;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( s ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s;\n\t\tte[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s;\n\t\tte[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s;\n\n\t\treturn this;\n\n\t}\n\n\tdeterminant() {\n\n\t\tconst te = this.elements;\n\n\t\tconst a = te[ 0 ], b = te[ 1 ], c = te[ 2 ],\n\t\t\td = te[ 3 ], e = te[ 4 ], f = te[ 5 ],\n\t\t\tg = te[ 6 ], h = te[ 7 ], i = te[ 8 ];\n\n\t\treturn a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g;\n\n\t}\n\n\tinvert() {\n\n\t\tconst te = this.elements,\n\n\t\t\tn11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ],\n\t\t\tn12 = te[ 3 ], n22 = te[ 4 ], n32 = te[ 5 ],\n\t\t\tn13 = te[ 6 ], n23 = te[ 7 ], n33 = te[ 8 ],\n\n\t\t\tt11 = n33 * n22 - n32 * n23,\n\t\t\tt12 = n32 * n13 - n33 * n12,\n\t\t\tt13 = n23 * n12 - n22 * n13,\n\n\t\t\tdet = n11 * t11 + n21 * t12 + n31 * t13;\n\n\t\tif ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0 );\n\n\t\tconst detInv = 1 / det;\n\n\t\tte[ 0 ] = t11 * detInv;\n\t\tte[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv;\n\t\tte[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv;\n\n\t\tte[ 3 ] = t12 * detInv;\n\t\tte[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv;\n\t\tte[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv;\n\n\t\tte[ 6 ] = t13 * detInv;\n\t\tte[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv;\n\t\tte[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv;\n\n\t\treturn this;\n\n\t}\n\n\ttranspose() {\n\n\t\tlet tmp;\n\t\tconst m = this.elements;\n\n\t\ttmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp;\n\t\ttmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp;\n\t\ttmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp;\n\n\t\treturn this;\n\n\t}\n\n\tgetNormalMatrix( matrix4 ) {\n\n\t\treturn this.setFromMatrix4( matrix4 ).invert().transpose();\n\n\t}\n\n\ttransposeIntoArray( r ) {\n\n\t\tconst m = this.elements;\n\n\t\tr[ 0 ] = m[ 0 ];\n\t\tr[ 1 ] = m[ 3 ];\n\t\tr[ 2 ] = m[ 6 ];\n\t\tr[ 3 ] = m[ 1 ];\n\t\tr[ 4 ] = m[ 4 ];\n\t\tr[ 5 ] = m[ 7 ];\n\t\tr[ 6 ] = m[ 2 ];\n\t\tr[ 7 ] = m[ 5 ];\n\t\tr[ 8 ] = m[ 8 ];\n\n\t\treturn this;\n\n\t}\n\n\tsetUvTransform( tx, ty, sx, sy, rotation, cx, cy ) {\n\n\t\tconst c = Math.cos( rotation );\n\t\tconst s = Math.sin( rotation );\n\n\t\tthis.set(\n\t\t\tsx * c, sx * s, - sx * ( c * cx + s * cy ) + cx + tx,\n\t\t\t- sy * s, sy * c, - sy * ( - s * cx + c * cy ) + cy + ty,\n\t\t\t0, 0, 1\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tscale( sx, sy ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] *= sx; te[ 3 ] *= sx; te[ 6 ] *= sx;\n\t\tte[ 1 ] *= sy; te[ 4 ] *= sy; te[ 7 ] *= sy;\n\n\t\treturn this;\n\n\t}\n\n\trotate( theta ) {\n\n\t\tconst c = Math.cos( theta );\n\t\tconst s = Math.sin( theta );\n\n\t\tconst te = this.elements;\n\n\t\tconst a11 = te[ 0 ], a12 = te[ 3 ], a13 = te[ 6 ];\n\t\tconst a21 = te[ 1 ], a22 = te[ 4 ], a23 = te[ 7 ];\n\n\t\tte[ 0 ] = c * a11 + s * a21;\n\t\tte[ 3 ] = c * a12 + s * a22;\n\t\tte[ 6 ] = c * a13 + s * a23;\n\n\t\tte[ 1 ] = - s * a11 + c * a21;\n\t\tte[ 4 ] = - s * a12 + c * a22;\n\t\tte[ 7 ] = - s * a13 + c * a23;\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( tx, ty ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] += tx * te[ 2 ]; te[ 3 ] += tx * te[ 5 ]; te[ 6 ] += tx * te[ 8 ];\n\t\tte[ 1 ] += ty * te[ 2 ]; te[ 4 ] += ty * te[ 5 ]; te[ 7 ] += ty * te[ 8 ];\n\n\t\treturn this;\n\n\t}\n\n\tequals( matrix ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = matrix.elements;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst te = this.elements;\n\n\t\tarray[ offset ] = te[ 0 ];\n\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\tarray[ offset + 2 ] = te[ 2 ];\n\n\t\tarray[ offset + 3 ] = te[ 3 ];\n\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\tarray[ offset + 5 ] = te[ 5 ];\n\n\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\tarray[ offset + 7 ] = te[ 7 ];\n\t\tarray[ offset + 8 ] = te[ 8 ];\n\n\t\treturn array;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().fromArray( this.elements );\n\n\t}\n\n}\n\nMatrix3.prototype.isMatrix3 = true;\n\nfunction arrayMax( array ) {\n\n\tif ( array.length === 0 ) return - Infinity;\n\n\tlet max = array[ 0 ];\n\n\tfor ( let i = 1, l = array.length; i < l; ++ i ) {\n\n\t\tif ( array[ i ] > max ) max = array[ i ];\n\n\t}\n\n\treturn max;\n\n}\n\nconst TYPED_ARRAYS = {\n\tInt8Array: Int8Array,\n\tUint8Array: Uint8Array,\n\tUint8ClampedArray: Uint8ClampedArray,\n\tInt16Array: Int16Array,\n\tUint16Array: Uint16Array,\n\tInt32Array: Int32Array,\n\tUint32Array: Uint32Array,\n\tFloat32Array: Float32Array,\n\tFloat64Array: Float64Array\n};\n\nfunction getTypedArray( type, buffer ) {\n\n\treturn new TYPED_ARRAYS[ type ]( buffer );\n\n}\n\nfunction createElementNS( name ) {\n\n\treturn document.createElementNS( 'http://www.w3.org/1999/xhtml', name );\n\n}\n\n/**\n * cyrb53 hash for string from: https://stackoverflow.com/a/52171480\n *\n * Public Domain, @bryc - https://stackoverflow.com/users/815680/bryc\n *\n * It is roughly similar to the well-known MurmurHash/xxHash algorithms. It uses a combination\n * of multiplication and Xorshift to generate the hash, but not as thorough. As a result it's\n * faster than either would be in JavaScript and significantly simpler to implement. Keep in\n * mind this is not a secure algorithm, if privacy/security is a concern, this is not for you.\n *\n * @param {string} str\n * @param {number} seed, default 0\n * @returns number\n */\nfunction hashString( str, seed = 0 ) {\n\n\tlet h1 = 0xdeadbeef ^ seed, h2 = 0x41c6ce57 ^ seed;\n\n\tfor ( let i = 0, ch; i < str.length; i ++ ) {\n\n\t\tch = str.charCodeAt( i );\n\n\t\th1 = Math.imul( h1 ^ ch, 2654435761 );\n\n\t\th2 = Math.imul( h2 ^ ch, 1597334677 );\n\n\t}\n\n\th1 = Math.imul( h1 ^ ( h1 >>> 16 ), 2246822507 ) ^ Math.imul( h2 ^ ( h2 >>> 13 ), 3266489909 );\n\n\th2 = Math.imul( h2 ^ ( h2 >>> 16 ), 2246822507 ) ^ Math.imul( h1 ^ ( h1 >>> 13 ), 3266489909 );\n\n\treturn 4294967296 * ( 2097151 & h2 ) + ( h1 >>> 0 );\n\n}\n\nlet _canvas;\n\nclass ImageUtils {\n\n\tstatic getDataURL( image ) {\n\n\t\tif ( /^data:/i.test( image.src ) ) {\n\n\t\t\treturn image.src;\n\n\t\t}\n\n\t\tif ( typeof HTMLCanvasElement == 'undefined' ) {\n\n\t\t\treturn image.src;\n\n\t\t}\n\n\t\tlet canvas;\n\n\t\tif ( image instanceof HTMLCanvasElement ) {\n\n\t\t\tcanvas = image;\n\n\t\t} else {\n\n\t\t\tif ( _canvas === undefined ) _canvas = createElementNS( 'canvas' );\n\n\t\t\t_canvas.width = image.width;\n\t\t\t_canvas.height = image.height;\n\n\t\t\tconst context = _canvas.getContext( '2d' );\n\n\t\t\tif ( image instanceof ImageData ) {\n\n\t\t\t\tcontext.putImageData( image, 0, 0 );\n\n\t\t\t} else {\n\n\t\t\t\tcontext.drawImage( image, 0, 0, image.width, image.height );\n\n\t\t\t}\n\n\t\t\tcanvas = _canvas;\n\n\t\t}\n\n\t\tif ( canvas.width > 2048 || canvas.height > 2048 ) {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons', image );\n\n\t\t\treturn canvas.toDataURL( 'image/jpeg', 0.6 );\n\n\t\t} else {\n\n\t\t\treturn canvas.toDataURL( 'image/png' );\n\n\t\t}\n\n\t}\n\n}\n\nlet textureId = 0;\n\nclass Texture extends EventDispatcher {\n\n\tconstructor( image = Texture.DEFAULT_IMAGE, mapping = Texture.DEFAULT_MAPPING, wrapS = ClampToEdgeWrapping, wrapT = ClampToEdgeWrapping, magFilter = LinearFilter, minFilter = LinearMipmapLinearFilter, format = RGBAFormat, type = UnsignedByteType, anisotropy = 1, encoding = LinearEncoding ) {\n\n\t\tsuper();\n\n\t\tObject.defineProperty( this, 'id', { value: textureId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\n\t\tthis.image = image;\n\t\tthis.mipmaps = [];\n\n\t\tthis.mapping = mapping;\n\n\t\tthis.wrapS = wrapS;\n\t\tthis.wrapT = wrapT;\n\n\t\tthis.magFilter = magFilter;\n\t\tthis.minFilter = minFilter;\n\n\t\tthis.anisotropy = anisotropy;\n\n\t\tthis.format = format;\n\t\tthis.internalFormat = null;\n\t\tthis.type = type;\n\n\t\tthis.offset = new Vector2( 0, 0 );\n\t\tthis.repeat = new Vector2( 1, 1 );\n\t\tthis.center = new Vector2( 0, 0 );\n\t\tthis.rotation = 0;\n\n\t\tthis.matrixAutoUpdate = true;\n\t\tthis.matrix = new Matrix3();\n\n\t\tthis.generateMipmaps = true;\n\t\tthis.premultiplyAlpha = false;\n\t\tthis.flipY = true;\n\t\tthis.unpackAlignment = 4;\t// valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml)\n\n\t\t// Values of encoding !== THREE.LinearEncoding only supported on map, envMap and emissiveMap.\n\t\t//\n\t\t// Also changing the encoding after already used by a Material will not automatically make the Material\n\t\t// update. You need to explicitly call Material.needsUpdate to trigger it to recompile.\n\t\tthis.encoding = encoding;\n\n\t\tthis.userData = {};\n\n\t\tthis.version = 0;\n\t\tthis.onUpdate = null;\n\n\t\tthis.isRenderTargetTexture = false;\n\n\t}\n\n\tupdateMatrix() {\n\n\t\tthis.matrix.setUvTransform( this.offset.x, this.offset.y, this.repeat.x, this.repeat.y, this.rotation, this.center.x, this.center.y );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.image = source.image;\n\t\tthis.mipmaps = source.mipmaps.slice( 0 );\n\n\t\tthis.mapping = source.mapping;\n\n\t\tthis.wrapS = source.wrapS;\n\t\tthis.wrapT = source.wrapT;\n\n\t\tthis.magFilter = source.magFilter;\n\t\tthis.minFilter = source.minFilter;\n\n\t\tthis.anisotropy = source.anisotropy;\n\n\t\tthis.format = source.format;\n\t\tthis.internalFormat = source.internalFormat;\n\t\tthis.type = source.type;\n\n\t\tthis.offset.copy( source.offset );\n\t\tthis.repeat.copy( source.repeat );\n\t\tthis.center.copy( source.center );\n\t\tthis.rotation = source.rotation;\n\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\t\tthis.matrix.copy( source.matrix );\n\n\t\tthis.generateMipmaps = source.generateMipmaps;\n\t\tthis.premultiplyAlpha = source.premultiplyAlpha;\n\t\tthis.flipY = source.flipY;\n\t\tthis.unpackAlignment = source.unpackAlignment;\n\t\tthis.encoding = source.encoding;\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tif ( ! isRootObject && meta.textures[ this.uuid ] !== undefined ) {\n\n\t\t\treturn meta.textures[ this.uuid ];\n\n\t\t}\n\n\t\tconst output = {\n\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Texture',\n\t\t\t\tgenerator: 'Texture.toJSON'\n\t\t\t},\n\n\t\t\tuuid: this.uuid,\n\t\t\tname: this.name,\n\n\t\t\tmapping: this.mapping,\n\n\t\t\trepeat: [ this.repeat.x, this.repeat.y ],\n\t\t\toffset: [ this.offset.x, this.offset.y ],\n\t\t\tcenter: [ this.center.x, this.center.y ],\n\t\t\trotation: this.rotation,\n\n\t\t\twrap: [ this.wrapS, this.wrapT ],\n\n\t\t\tformat: this.format,\n\t\t\ttype: this.type,\n\t\t\tencoding: this.encoding,\n\n\t\t\tminFilter: this.minFilter,\n\t\t\tmagFilter: this.magFilter,\n\t\t\tanisotropy: this.anisotropy,\n\n\t\t\tflipY: this.flipY,\n\n\t\t\tpremultiplyAlpha: this.premultiplyAlpha,\n\t\t\tunpackAlignment: this.unpackAlignment\n\n\t\t};\n\n\t\tif ( this.image !== undefined ) {\n\n\t\t\t// TODO: Move to THREE.Image\n\n\t\t\tconst image = this.image;\n\n\t\t\tif ( image.uuid === undefined ) {\n\n\t\t\t\timage.uuid = generateUUID(); // UGH\n\n\t\t\t}\n\n\t\t\tif ( ! isRootObject && meta.images[ image.uuid ] === undefined ) {\n\n\t\t\t\tlet url;\n\n\t\t\t\tif ( Array.isArray( image ) ) {\n\n\t\t\t\t\t// process array of images e.g. CubeTexture\n\n\t\t\t\t\turl = [];\n\n\t\t\t\t\tfor ( let i = 0, l = image.length; i < l; i ++ ) {\n\n\t\t\t\t\t\t// check cube texture with data textures\n\n\t\t\t\t\t\tif ( image[ i ].isDataTexture ) {\n\n\t\t\t\t\t\t\turl.push( serializeImage( image[ i ].image ) );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\turl.push( serializeImage( image[ i ] ) );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// process single image\n\n\t\t\t\t\turl = serializeImage( image );\n\n\t\t\t\t}\n\n\t\t\t\tmeta.images[ image.uuid ] = {\n\t\t\t\t\tuuid: image.uuid,\n\t\t\t\t\turl: url\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\toutput.image = image.uuid;\n\n\t\t}\n\n\t\tif ( JSON.stringify( this.userData ) !== '{}' ) output.userData = this.userData;\n\n\t\tif ( ! isRootObject ) {\n\n\t\t\tmeta.textures[ this.uuid ] = output;\n\n\t\t}\n\n\t\treturn output;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n\ttransformUv( uv ) {\n\n\t\tif ( this.mapping !== UVMapping ) return uv;\n\n\t\tuv.applyMatrix3( this.matrix );\n\n\t\tif ( uv.x < 0 || uv.x > 1 ) {\n\n\t\t\tswitch ( this.wrapS ) {\n\n\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\tuv.x = uv.x < 0 ? 0 : 1;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\tif ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\tuv.x = Math.ceil( uv.x ) - uv.x;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( uv.y < 0 || uv.y > 1 ) {\n\n\t\t\tswitch ( this.wrapT ) {\n\n\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\tuv.y = uv.y < 0 ? 0 : 1;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\tif ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\tuv.y = Math.ceil( uv.y ) - uv.y;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.flipY ) {\n\n\t\t\tuv.y = 1 - uv.y;\n\n\t\t}\n\n\t\treturn uv;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n}\n\nTexture.DEFAULT_IMAGE = undefined;\nTexture.DEFAULT_MAPPING = UVMapping;\n\nTexture.prototype.isTexture = true;\n\nfunction serializeImage( image ) {\n\n\tif ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) ||\n\t\t( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) ||\n\t\t( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) {\n\n\t\t// default images\n\n\t\treturn ImageUtils.getDataURL( image );\n\n\t} else {\n\n\t\tif ( image.data ) {\n\n\t\t\t// images of DataTexture\n\n\t\t\treturn {\n\t\t\t\tdata: Array.prototype.slice.call( image.data ),\n\t\t\t\twidth: image.width,\n\t\t\t\theight: image.height,\n\t\t\t\ttype: image.data.constructor.name\n\t\t\t};\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.Texture: Unable to serialize Texture.' );\n\t\t\treturn {};\n\n\t\t}\n\n\t}\n\n}\n\nclass Vector4 {\n\n\tconstructor( x = 0, y = 0, z = 0, w = 1 ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\t\tthis.w = w;\n\n\t}\n\n\tget width() {\n\n\t\treturn this.z;\n\n\t}\n\n\tset width( value ) {\n\n\t\tthis.z = value;\n\n\t}\n\n\tget height() {\n\n\t\treturn this.w;\n\n\t}\n\n\tset height( value ) {\n\n\t\tthis.w = value;\n\n\t}\n\n\tset( x, y, z, w ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\t\tthis.w = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\t\tthis.z = scalar;\n\t\tthis.w = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetZ( z ) {\n\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetW( w ) {\n\n\t\tthis.w = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tcase 2: this.z = value; break;\n\t\t\tcase 3: this.w = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tcase 2: return this.z;\n\t\t\tcase 3: return this.w;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y, this.z, this.w );\n\n\t}\n\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\t\tthis.z = v.z;\n\t\tthis.w = ( v.w !== undefined ) ? v.w : 1;\n\n\t\treturn this;\n\n\t}\n\n\tadd( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\treturn this.addVectors( v, w );\n\n\t\t}\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\t\tthis.z += v.z;\n\t\tthis.w += v.w;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\t\tthis.z += s;\n\t\tthis.w += s;\n\n\t\treturn this;\n\n\t}\n\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\t\tthis.z = a.z + b.z;\n\t\tthis.w = a.w + b.w;\n\n\t\treturn this;\n\n\t}\n\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\t\tthis.z += v.z * s;\n\t\tthis.w += v.w * s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\treturn this.subVectors( v, w );\n\n\t\t}\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\t\tthis.z -= v.z;\n\t\tthis.w -= v.w;\n\n\t\treturn this;\n\n\t}\n\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\t\tthis.z -= s;\n\t\tthis.w -= s;\n\n\t\treturn this;\n\n\t}\n\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\t\tthis.z = a.z - b.z;\n\t\tthis.w = a.w - b.w;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( v ) {\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\t\tthis.z *= v.z;\n\t\tthis.w *= v.w;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\t\tthis.z *= scalar;\n\t\tthis.w *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z, w = this.w;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w;\n\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w;\n\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w;\n\t\tthis.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w;\n\n\t\treturn this;\n\n\t}\n\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\tsetAxisAngleFromQuaternion( q ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm\n\n\t\t// q is assumed to be normalized\n\n\t\tthis.w = 2 * Math.acos( q.w );\n\n\t\tconst s = Math.sqrt( 1 - q.w * q.w );\n\n\t\tif ( s < 0.0001 ) {\n\n\t\t\tthis.x = 1;\n\t\t\tthis.y = 0;\n\t\t\tthis.z = 0;\n\n\t\t} else {\n\n\t\t\tthis.x = q.x / s;\n\t\t\tthis.y = q.y / s;\n\t\t\tthis.z = q.z / s;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetAxisAngleFromRotationMatrix( m ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tlet angle, x, y, z; // variables for result\n\t\tconst epsilon = 0.01,\t\t// margin to allow for rounding errors\n\t\t\tepsilon2 = 0.1,\t\t// margin to distinguish between 0 and 180 degrees\n\n\t\t\tte = m.elements,\n\n\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\tif ( ( Math.abs( m12 - m21 ) < epsilon ) &&\n\t\t ( Math.abs( m13 - m31 ) < epsilon ) &&\n\t\t ( Math.abs( m23 - m32 ) < epsilon ) ) {\n\n\t\t\t// singularity found\n\t\t\t// first check for identity matrix which must have +1 for all terms\n\t\t\t// in leading diagonal and zero in other terms\n\n\t\t\tif ( ( Math.abs( m12 + m21 ) < epsilon2 ) &&\n\t\t\t ( Math.abs( m13 + m31 ) < epsilon2 ) &&\n\t\t\t ( Math.abs( m23 + m32 ) < epsilon2 ) &&\n\t\t\t ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) {\n\n\t\t\t\t// this singularity is identity matrix so angle = 0\n\n\t\t\t\tthis.set( 1, 0, 0, 0 );\n\n\t\t\t\treturn this; // zero angle, arbitrary axis\n\n\t\t\t}\n\n\t\t\t// otherwise this singularity is angle = 180\n\n\t\t\tangle = Math.PI;\n\n\t\t\tconst xx = ( m11 + 1 ) / 2;\n\t\t\tconst yy = ( m22 + 1 ) / 2;\n\t\t\tconst zz = ( m33 + 1 ) / 2;\n\t\t\tconst xy = ( m12 + m21 ) / 4;\n\t\t\tconst xz = ( m13 + m31 ) / 4;\n\t\t\tconst yz = ( m23 + m32 ) / 4;\n\n\t\t\tif ( ( xx > yy ) && ( xx > zz ) ) {\n\n\t\t\t\t// m11 is the largest diagonal term\n\n\t\t\t\tif ( xx < epsilon ) {\n\n\t\t\t\t\tx = 0;\n\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tx = Math.sqrt( xx );\n\t\t\t\t\ty = xy / x;\n\t\t\t\t\tz = xz / x;\n\n\t\t\t\t}\n\n\t\t\t} else if ( yy > zz ) {\n\n\t\t\t\t// m22 is the largest diagonal term\n\n\t\t\t\tif ( yy < epsilon ) {\n\n\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\ty = 0;\n\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t} else {\n\n\t\t\t\t\ty = Math.sqrt( yy );\n\t\t\t\t\tx = xy / y;\n\t\t\t\t\tz = yz / y;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// m33 is the largest diagonal term so base result on this\n\n\t\t\t\tif ( zz < epsilon ) {\n\n\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\tz = 0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tz = Math.sqrt( zz );\n\t\t\t\t\tx = xz / z;\n\t\t\t\t\ty = yz / z;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.set( x, y, z, angle );\n\n\t\t\treturn this; // return 180 deg rotation\n\n\t\t}\n\n\t\t// as we have reached here there are no singularities so we can handle normally\n\n\t\tlet s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) +\n\t\t\t( m13 - m31 ) * ( m13 - m31 ) +\n\t\t\t( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize\n\n\t\tif ( Math.abs( s ) < 0.001 ) s = 1;\n\n\t\t// prevent divide by zero, should not happen if matrix is orthogonal and should be\n\t\t// caught by singularity test above, but I've left it in just in case\n\n\t\tthis.x = ( m32 - m23 ) / s;\n\t\tthis.y = ( m13 - m31 ) / s;\n\t\tthis.z = ( m21 - m12 ) / s;\n\t\tthis.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 );\n\n\t\treturn this;\n\n\t}\n\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\t\tthis.z = Math.min( this.z, v.z );\n\t\tthis.w = Math.min( this.w, v.w );\n\n\t\treturn this;\n\n\t}\n\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\t\tthis.z = Math.max( this.z, v.z );\n\t\tthis.w = Math.max( this.w, v.w );\n\n\t\treturn this;\n\n\t}\n\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\t\tthis.w = Math.max( min.w, Math.min( max.w, this.w ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = Math.max( minVal, Math.min( maxVal, this.x ) );\n\t\tthis.y = Math.max( minVal, Math.min( maxVal, this.y ) );\n\t\tthis.z = Math.max( minVal, Math.min( maxVal, this.z ) );\n\t\tthis.w = Math.max( minVal, Math.min( maxVal, this.w ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) );\n\n\t}\n\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\t\tthis.z = Math.floor( this.z );\n\t\tthis.w = Math.floor( this.w );\n\n\t\treturn this;\n\n\t}\n\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\t\tthis.z = Math.ceil( this.z );\n\t\tthis.w = Math.ceil( this.w );\n\n\t\treturn this;\n\n\t}\n\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\t\tthis.z = Math.round( this.z );\n\t\tthis.w = Math.round( this.w );\n\n\t\treturn this;\n\n\t}\n\n\troundToZero() {\n\n\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\t\tthis.w = ( this.w < 0 ) ? Math.ceil( this.w ) : Math.floor( this.w );\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\t\tthis.z = - this.z;\n\t\tthis.w = - this.w;\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w;\n\n\t}\n\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w );\n\n\t}\n\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w );\n\n\t}\n\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\tthis.z += ( v.z - this.z ) * alpha;\n\t\tthis.w += ( v.w - this.w ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\t\tthis.z = v1.z + ( v2.z - v1.z ) * alpha;\n\t\tthis.w = v1.w + ( v2.w - v1.w ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\t\tthis.z = array[ offset + 2 ];\n\t\tthis.w = array[ offset + 3 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\t\tarray[ offset + 2 ] = this.z;\n\t\tarray[ offset + 3 ] = this.w;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index, offset ) {\n\n\t\tif ( offset !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector4: offset has been removed from .fromBufferAttribute().' );\n\n\t\t}\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\t\tthis.z = attribute.getZ( index );\n\t\tthis.w = attribute.getW( index );\n\n\t\treturn this;\n\n\t}\n\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\t\tthis.z = Math.random();\n\t\tthis.w = Math.random();\n\n\t\treturn this;\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.x;\n\t\tyield this.y;\n\t\tyield this.z;\n\t\tyield this.w;\n\n\t}\n\n}\n\nVector4.prototype.isVector4 = true;\n\n/*\n In options, we can specify:\n * Texture parameters for an auto-generated target texture\n * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers\n*/\nclass WebGLRenderTarget extends EventDispatcher {\n\n\tconstructor( width, height, options = {} ) {\n\n\t\tsuper();\n\n\t\tthis.width = width;\n\t\tthis.height = height;\n\t\tthis.depth = 1;\n\n\t\tthis.scissor = new Vector4( 0, 0, width, height );\n\t\tthis.scissorTest = false;\n\n\t\tthis.viewport = new Vector4( 0, 0, width, height );\n\n\t\tthis.texture = new Texture( undefined, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding );\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t\tthis.texture.image = { width: width, height: height, depth: 1 };\n\n\t\tthis.texture.generateMipmaps = options.generateMipmaps !== undefined ? options.generateMipmaps : false;\n\t\tthis.texture.internalFormat = options.internalFormat !== undefined ? options.internalFormat : null;\n\t\tthis.texture.minFilter = options.minFilter !== undefined ? options.minFilter : LinearFilter;\n\n\t\tthis.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true;\n\t\tthis.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : false;\n\t\tthis.depthTexture = options.depthTexture !== undefined ? options.depthTexture : null;\n\n\t}\n\n\tsetTexture( texture ) {\n\n\t\ttexture.image = {\n\t\t\twidth: this.width,\n\t\t\theight: this.height,\n\t\t\tdepth: this.depth\n\t\t};\n\n\t\tthis.texture = texture;\n\n\t}\n\n\tsetSize( width, height, depth = 1 ) {\n\n\t\tif ( this.width !== width || this.height !== height || this.depth !== depth ) {\n\n\t\t\tthis.width = width;\n\t\t\tthis.height = height;\n\t\t\tthis.depth = depth;\n\n\t\t\tthis.texture.image.width = width;\n\t\t\tthis.texture.image.height = height;\n\t\t\tthis.texture.image.depth = depth;\n\n\t\t\tthis.dispose();\n\n\t\t}\n\n\t\tthis.viewport.set( 0, 0, width, height );\n\t\tthis.scissor.set( 0, 0, width, height );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.width = source.width;\n\t\tthis.height = source.height;\n\t\tthis.depth = source.depth;\n\n\t\tthis.viewport.copy( source.viewport );\n\n\t\tthis.texture = source.texture.clone();\n\t\tthis.texture.image = { ...this.texture.image }; // See #20328.\n\n\t\tthis.depthBuffer = source.depthBuffer;\n\t\tthis.stencilBuffer = source.stencilBuffer;\n\t\tthis.depthTexture = source.depthTexture;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n}\n\nWebGLRenderTarget.prototype.isWebGLRenderTarget = true;\n\nclass WebGLMultipleRenderTargets extends WebGLRenderTarget {\n\n\tconstructor( width, height, count ) {\n\n\t\tsuper( width, height );\n\n\t\tconst texture = this.texture;\n\n\t\tthis.texture = [];\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tthis.texture[ i ] = texture.clone();\n\n\t\t}\n\n\t}\n\n\tsetSize( width, height, depth = 1 ) {\n\n\t\tif ( this.width !== width || this.height !== height || this.depth !== depth ) {\n\n\t\t\tthis.width = width;\n\t\t\tthis.height = height;\n\t\t\tthis.depth = depth;\n\n\t\t\tfor ( let i = 0, il = this.texture.length; i < il; i ++ ) {\n\n\t\t\t\tthis.texture[ i ].image.width = width;\n\t\t\t\tthis.texture[ i ].image.height = height;\n\t\t\t\tthis.texture[ i ].image.depth = depth;\n\n\t\t\t}\n\n\t\t\tthis.dispose();\n\n\t\t}\n\n\t\tthis.viewport.set( 0, 0, width, height );\n\t\tthis.scissor.set( 0, 0, width, height );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.dispose();\n\n\t\tthis.width = source.width;\n\t\tthis.height = source.height;\n\t\tthis.depth = source.depth;\n\n\t\tthis.viewport.set( 0, 0, this.width, this.height );\n\t\tthis.scissor.set( 0, 0, this.width, this.height );\n\n\t\tthis.depthBuffer = source.depthBuffer;\n\t\tthis.stencilBuffer = source.stencilBuffer;\n\t\tthis.depthTexture = source.depthTexture;\n\n\t\tthis.texture.length = 0;\n\n\t\tfor ( let i = 0, il = source.texture.length; i < il; i ++ ) {\n\n\t\t\tthis.texture[ i ] = source.texture[ i ].clone();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nWebGLMultipleRenderTargets.prototype.isWebGLMultipleRenderTargets = true;\n\nclass WebGLMultisampleRenderTarget extends WebGLRenderTarget {\n\n\tconstructor( width, height, options = {} ) {\n\n\t\tsuper( width, height, options );\n\n\t\tthis.samples = 4;\n\n\t\tthis.ignoreDepthForMultisampleCopy = options.ignoreDepth !== undefined ? options.ignoreDepth : true;\n\t\tthis.useRenderToTexture = ( options.useRenderToTexture !== undefined ) ? options.useRenderToTexture : false;\n\t\tthis.useRenderbuffer = this.useRenderToTexture === false;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy.call( this, source );\n\n\t\tthis.samples = source.samples;\n\t\tthis.useRenderToTexture = source.useRenderToTexture;\n\t\tthis.useRenderbuffer = source.useRenderbuffer;\n\n\t\treturn this;\n\n\t}\n\n}\n\nWebGLMultisampleRenderTarget.prototype.isWebGLMultisampleRenderTarget = true;\n\nclass Quaternion {\n\n\tconstructor( x = 0, y = 0, z = 0, w = 1 ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._w = w;\n\n\t}\n\n\tstatic slerp( qa, qb, qm, t ) {\n\n\t\tconsole.warn( 'THREE.Quaternion: Static .slerp() has been deprecated. Use qm.slerpQuaternions( qa, qb, t ) instead.' );\n\t\treturn qm.slerpQuaternions( qa, qb, t );\n\n\t}\n\n\tstatic slerpFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) {\n\n\t\t// fuzz-free, array-based Quaternion SLERP operation\n\n\t\tlet x0 = src0[ srcOffset0 + 0 ],\n\t\t\ty0 = src0[ srcOffset0 + 1 ],\n\t\t\tz0 = src0[ srcOffset0 + 2 ],\n\t\t\tw0 = src0[ srcOffset0 + 3 ];\n\n\t\tconst x1 = src1[ srcOffset1 + 0 ],\n\t\t\ty1 = src1[ srcOffset1 + 1 ],\n\t\t\tz1 = src1[ srcOffset1 + 2 ],\n\t\t\tw1 = src1[ srcOffset1 + 3 ];\n\n\t\tif ( t === 0 ) {\n\n\t\t\tdst[ dstOffset + 0 ] = x0;\n\t\t\tdst[ dstOffset + 1 ] = y0;\n\t\t\tdst[ dstOffset + 2 ] = z0;\n\t\t\tdst[ dstOffset + 3 ] = w0;\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( t === 1 ) {\n\n\t\t\tdst[ dstOffset + 0 ] = x1;\n\t\t\tdst[ dstOffset + 1 ] = y1;\n\t\t\tdst[ dstOffset + 2 ] = z1;\n\t\t\tdst[ dstOffset + 3 ] = w1;\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) {\n\n\t\t\tlet s = 1 - t;\n\t\t\tconst cos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1,\n\t\t\t\tdir = ( cos >= 0 ? 1 : - 1 ),\n\t\t\t\tsqrSin = 1 - cos * cos;\n\n\t\t\t// Skip the Slerp for tiny steps to avoid numeric problems:\n\t\t\tif ( sqrSin > Number.EPSILON ) {\n\n\t\t\t\tconst sin = Math.sqrt( sqrSin ),\n\t\t\t\t\tlen = Math.atan2( sin, cos * dir );\n\n\t\t\t\ts = Math.sin( s * len ) / sin;\n\t\t\t\tt = Math.sin( t * len ) / sin;\n\n\t\t\t}\n\n\t\t\tconst tDir = t * dir;\n\n\t\t\tx0 = x0 * s + x1 * tDir;\n\t\t\ty0 = y0 * s + y1 * tDir;\n\t\t\tz0 = z0 * s + z1 * tDir;\n\t\t\tw0 = w0 * s + w1 * tDir;\n\n\t\t\t// Normalize in case we just did a lerp:\n\t\t\tif ( s === 1 - t ) {\n\n\t\t\t\tconst f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 );\n\n\t\t\t\tx0 *= f;\n\t\t\t\ty0 *= f;\n\t\t\t\tz0 *= f;\n\t\t\t\tw0 *= f;\n\n\t\t\t}\n\n\t\t}\n\n\t\tdst[ dstOffset ] = x0;\n\t\tdst[ dstOffset + 1 ] = y0;\n\t\tdst[ dstOffset + 2 ] = z0;\n\t\tdst[ dstOffset + 3 ] = w0;\n\n\t}\n\n\tstatic multiplyQuaternionsFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1 ) {\n\n\t\tconst x0 = src0[ srcOffset0 ];\n\t\tconst y0 = src0[ srcOffset0 + 1 ];\n\t\tconst z0 = src0[ srcOffset0 + 2 ];\n\t\tconst w0 = src0[ srcOffset0 + 3 ];\n\n\t\tconst x1 = src1[ srcOffset1 ];\n\t\tconst y1 = src1[ srcOffset1 + 1 ];\n\t\tconst z1 = src1[ srcOffset1 + 2 ];\n\t\tconst w1 = src1[ srcOffset1 + 3 ];\n\n\t\tdst[ dstOffset ] = x0 * w1 + w0 * x1 + y0 * z1 - z0 * y1;\n\t\tdst[ dstOffset + 1 ] = y0 * w1 + w0 * y1 + z0 * x1 - x0 * z1;\n\t\tdst[ dstOffset + 2 ] = z0 * w1 + w0 * z1 + x0 * y1 - y0 * x1;\n\t\tdst[ dstOffset + 3 ] = w0 * w1 - x0 * x1 - y0 * y1 - z0 * z1;\n\n\t\treturn dst;\n\n\t}\n\n\tget x() {\n\n\t\treturn this._x;\n\n\t}\n\n\tset x( value ) {\n\n\t\tthis._x = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget y() {\n\n\t\treturn this._y;\n\n\t}\n\n\tset y( value ) {\n\n\t\tthis._y = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget z() {\n\n\t\treturn this._z;\n\n\t}\n\n\tset z( value ) {\n\n\t\tthis._z = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget w() {\n\n\t\treturn this._w;\n\n\t}\n\n\tset w( value ) {\n\n\t\tthis._w = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tset( x, y, z, w ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._w = w;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this._x, this._y, this._z, this._w );\n\n\t}\n\n\tcopy( quaternion ) {\n\n\t\tthis._x = quaternion.x;\n\t\tthis._y = quaternion.y;\n\t\tthis._z = quaternion.z;\n\t\tthis._w = quaternion.w;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromEuler( euler, update ) {\n\n\t\tif ( ! ( euler && euler.isEuler ) ) {\n\n\t\t\tthrow new Error( 'THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t}\n\n\t\tconst x = euler._x, y = euler._y, z = euler._z, order = euler._order;\n\n\t\t// http://www.mathworks.com/matlabcentral/fileexchange/\n\t\t// \t20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/\n\t\t//\tcontent/SpinCalc.m\n\n\t\tconst cos = Math.cos;\n\t\tconst sin = Math.sin;\n\n\t\tconst c1 = cos( x / 2 );\n\t\tconst c2 = cos( y / 2 );\n\t\tconst c3 = cos( z / 2 );\n\n\t\tconst s1 = sin( x / 2 );\n\t\tconst s2 = sin( y / 2 );\n\t\tconst s3 = sin( z / 2 );\n\n\t\tswitch ( order ) {\n\n\t\t\tcase 'XYZ':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'YXZ':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZXY':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZYX':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'YZX':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'XZY':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tconsole.warn( 'THREE.Quaternion: .setFromEuler() encountered an unknown order: ' + order );\n\n\t\t}\n\n\t\tif ( update !== false ) this._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromAxisAngle( axis, angle ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm\n\n\t\t// assumes axis is normalized\n\n\t\tconst halfAngle = angle / 2, s = Math.sin( halfAngle );\n\n\t\tthis._x = axis.x * s;\n\t\tthis._y = axis.y * s;\n\t\tthis._z = axis.z * s;\n\t\tthis._w = Math.cos( halfAngle );\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromRotationMatrix( m ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tconst te = m.elements,\n\n\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ],\n\n\t\t\ttrace = m11 + m22 + m33;\n\n\t\tif ( trace > 0 ) {\n\n\t\t\tconst s = 0.5 / Math.sqrt( trace + 1.0 );\n\n\t\t\tthis._w = 0.25 / s;\n\t\t\tthis._x = ( m32 - m23 ) * s;\n\t\t\tthis._y = ( m13 - m31 ) * s;\n\t\t\tthis._z = ( m21 - m12 ) * s;\n\n\t\t} else if ( m11 > m22 && m11 > m33 ) {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 );\n\n\t\t\tthis._w = ( m32 - m23 ) / s;\n\t\t\tthis._x = 0.25 * s;\n\t\t\tthis._y = ( m12 + m21 ) / s;\n\t\t\tthis._z = ( m13 + m31 ) / s;\n\n\t\t} else if ( m22 > m33 ) {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 );\n\n\t\t\tthis._w = ( m13 - m31 ) / s;\n\t\t\tthis._x = ( m12 + m21 ) / s;\n\t\t\tthis._y = 0.25 * s;\n\t\t\tthis._z = ( m23 + m32 ) / s;\n\n\t\t} else {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 );\n\n\t\t\tthis._w = ( m21 - m12 ) / s;\n\t\t\tthis._x = ( m13 + m31 ) / s;\n\t\t\tthis._y = ( m23 + m32 ) / s;\n\t\t\tthis._z = 0.25 * s;\n\n\t\t}\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromUnitVectors( vFrom, vTo ) {\n\n\t\t// assumes direction vectors vFrom and vTo are normalized\n\n\t\tlet r = vFrom.dot( vTo ) + 1;\n\n\t\tif ( r < Number.EPSILON ) {\n\n\t\t\t// vFrom and vTo point in opposite directions\n\n\t\t\tr = 0;\n\n\t\t\tif ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) {\n\n\t\t\t\tthis._x = - vFrom.y;\n\t\t\t\tthis._y = vFrom.x;\n\t\t\t\tthis._z = 0;\n\t\t\t\tthis._w = r;\n\n\t\t\t} else {\n\n\t\t\t\tthis._x = 0;\n\t\t\t\tthis._y = - vFrom.z;\n\t\t\t\tthis._z = vFrom.y;\n\t\t\t\tthis._w = r;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// crossVectors( vFrom, vTo ); // inlined to avoid cyclic dependency on Vector3\n\n\t\t\tthis._x = vFrom.y * vTo.z - vFrom.z * vTo.y;\n\t\t\tthis._y = vFrom.z * vTo.x - vFrom.x * vTo.z;\n\t\t\tthis._z = vFrom.x * vTo.y - vFrom.y * vTo.x;\n\t\t\tthis._w = r;\n\n\t\t}\n\n\t\treturn this.normalize();\n\n\t}\n\n\tangleTo( q ) {\n\n\t\treturn 2 * Math.acos( Math.abs( clamp( this.dot( q ), - 1, 1 ) ) );\n\n\t}\n\n\trotateTowards( q, step ) {\n\n\t\tconst angle = this.angleTo( q );\n\n\t\tif ( angle === 0 ) return this;\n\n\t\tconst t = Math.min( 1, step / angle );\n\n\t\tthis.slerp( q, t );\n\n\t\treturn this;\n\n\t}\n\n\tidentity() {\n\n\t\treturn this.set( 0, 0, 0, 1 );\n\n\t}\n\n\tinvert() {\n\n\t\t// quaternion is assumed to have unit length\n\n\t\treturn this.conjugate();\n\n\t}\n\n\tconjugate() {\n\n\t\tthis._x *= - 1;\n\t\tthis._y *= - 1;\n\t\tthis._z *= - 1;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w;\n\n\t}\n\n\tlengthSq() {\n\n\t\treturn this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w );\n\n\t}\n\n\tnormalize() {\n\n\t\tlet l = this.length();\n\n\t\tif ( l === 0 ) {\n\n\t\t\tthis._x = 0;\n\t\t\tthis._y = 0;\n\t\t\tthis._z = 0;\n\t\t\tthis._w = 1;\n\n\t\t} else {\n\n\t\t\tl = 1 / l;\n\n\t\t\tthis._x = this._x * l;\n\t\t\tthis._y = this._y * l;\n\t\t\tthis._z = this._z * l;\n\t\t\tthis._w = this._w * l;\n\n\t\t}\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( q, p ) {\n\n\t\tif ( p !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.' );\n\t\t\treturn this.multiplyQuaternions( q, p );\n\n\t\t}\n\n\t\treturn this.multiplyQuaternions( this, q );\n\n\t}\n\n\tpremultiply( q ) {\n\n\t\treturn this.multiplyQuaternions( q, this );\n\n\t}\n\n\tmultiplyQuaternions( a, b ) {\n\n\t\t// from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm\n\n\t\tconst qax = a._x, qay = a._y, qaz = a._z, qaw = a._w;\n\t\tconst qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w;\n\n\t\tthis._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby;\n\t\tthis._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz;\n\t\tthis._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx;\n\t\tthis._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tslerp( qb, t ) {\n\n\t\tif ( t === 0 ) return this;\n\t\tif ( t === 1 ) return this.copy( qb );\n\n\t\tconst x = this._x, y = this._y, z = this._z, w = this._w;\n\n\t\t// http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/\n\n\t\tlet cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z;\n\n\t\tif ( cosHalfTheta < 0 ) {\n\n\t\t\tthis._w = - qb._w;\n\t\t\tthis._x = - qb._x;\n\t\t\tthis._y = - qb._y;\n\t\t\tthis._z = - qb._z;\n\n\t\t\tcosHalfTheta = - cosHalfTheta;\n\n\t\t} else {\n\n\t\t\tthis.copy( qb );\n\n\t\t}\n\n\t\tif ( cosHalfTheta >= 1.0 ) {\n\n\t\t\tthis._w = w;\n\t\t\tthis._x = x;\n\t\t\tthis._y = y;\n\t\t\tthis._z = z;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst sqrSinHalfTheta = 1.0 - cosHalfTheta * cosHalfTheta;\n\n\t\tif ( sqrSinHalfTheta <= Number.EPSILON ) {\n\n\t\t\tconst s = 1 - t;\n\t\t\tthis._w = s * w + t * this._w;\n\t\t\tthis._x = s * x + t * this._x;\n\t\t\tthis._y = s * y + t * this._y;\n\t\t\tthis._z = s * z + t * this._z;\n\n\t\t\tthis.normalize();\n\t\t\tthis._onChangeCallback();\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst sinHalfTheta = Math.sqrt( sqrSinHalfTheta );\n\t\tconst halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta );\n\t\tconst ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta,\n\t\t\tratioB = Math.sin( t * halfTheta ) / sinHalfTheta;\n\n\t\tthis._w = ( w * ratioA + this._w * ratioB );\n\t\tthis._x = ( x * ratioA + this._x * ratioB );\n\t\tthis._y = ( y * ratioA + this._y * ratioB );\n\t\tthis._z = ( z * ratioA + this._z * ratioB );\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tslerpQuaternions( qa, qb, t ) {\n\n\t\tthis.copy( qa ).slerp( qb, t );\n\n\t}\n\n\trandom() {\n\n\t\t// Derived from http://planning.cs.uiuc.edu/node198.html\n\t\t// Note, this source uses w, x, y, z ordering,\n\t\t// so we swap the order below.\n\n\t\tconst u1 = Math.random();\n\t\tconst sqrt1u1 = Math.sqrt( 1 - u1 );\n\t\tconst sqrtu1 = Math.sqrt( u1 );\n\n\t\tconst u2 = 2 * Math.PI * Math.random();\n\n\t\tconst u3 = 2 * Math.PI * Math.random();\n\n\t\treturn this.set(\n\t\t\tsqrt1u1 * Math.cos( u2 ),\n\t\t\tsqrtu1 * Math.sin( u3 ),\n\t\t\tsqrtu1 * Math.cos( u3 ),\n\t\t\tsqrt1u1 * Math.sin( u2 ),\n\t\t);\n\n\t}\n\n\tequals( quaternion ) {\n\n\t\treturn ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis._x = array[ offset ];\n\t\tthis._y = array[ offset + 1 ];\n\t\tthis._z = array[ offset + 2 ];\n\t\tthis._w = array[ offset + 3 ];\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this._x;\n\t\tarray[ offset + 1 ] = this._y;\n\t\tarray[ offset + 2 ] = this._z;\n\t\tarray[ offset + 3 ] = this._w;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis._x = attribute.getX( index );\n\t\tthis._y = attribute.getY( index );\n\t\tthis._z = attribute.getZ( index );\n\t\tthis._w = attribute.getW( index );\n\n\t\treturn this;\n\n\t}\n\n\t_onChange( callback ) {\n\n\t\tthis._onChangeCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\t_onChangeCallback() {}\n\n}\n\nQuaternion.prototype.isQuaternion = true;\n\nclass Vector3 {\n\n\tconstructor( x = 0, y = 0, z = 0 ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\n\t}\n\n\tset( x, y, z ) {\n\n\t\tif ( z === undefined ) z = this.z; // sprite.scale.set(x,y)\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\t\tthis.z = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetZ( z ) {\n\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tcase 2: this.z = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tcase 2: return this.z;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y, this.z );\n\n\t}\n\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\t\tthis.z = v.z;\n\n\t\treturn this;\n\n\t}\n\n\tadd( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' );\n\t\t\treturn this.addVectors( v, w );\n\n\t\t}\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\t\tthis.z += v.z;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\t\tthis.z += s;\n\n\t\treturn this;\n\n\t}\n\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\t\tthis.z = a.z + b.z;\n\n\t\treturn this;\n\n\t}\n\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\t\tthis.z += v.z * s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' );\n\t\t\treturn this.subVectors( v, w );\n\n\t\t}\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\t\tthis.z -= v.z;\n\n\t\treturn this;\n\n\t}\n\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\t\tthis.z -= s;\n\n\t\treturn this;\n\n\t}\n\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\t\tthis.z = a.z - b.z;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.' );\n\t\t\treturn this.multiplyVectors( v, w );\n\n\t\t}\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\t\tthis.z *= v.z;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\t\tthis.z *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyVectors( a, b ) {\n\n\t\tthis.x = a.x * b.x;\n\t\tthis.y = a.y * b.y;\n\t\tthis.z = a.z * b.z;\n\n\t\treturn this;\n\n\t}\n\n\tapplyEuler( euler ) {\n\n\t\tif ( ! ( euler && euler.isEuler ) ) {\n\n\t\t\tconsole.error( 'THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.' );\n\n\t\t}\n\n\t\treturn this.applyQuaternion( _quaternion$4.setFromEuler( euler ) );\n\n\t}\n\n\tapplyAxisAngle( axis, angle ) {\n\n\t\treturn this.applyQuaternion( _quaternion$4.setFromAxisAngle( axis, angle ) );\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z;\n\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z;\n\t\tthis.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z;\n\n\t\treturn this;\n\n\t}\n\n\tapplyNormalMatrix( m ) {\n\n\t\treturn this.applyMatrix3( m ).normalize();\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tconst w = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] );\n\n\t\tthis.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * w;\n\t\tthis.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * w;\n\t\tthis.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * w;\n\n\t\treturn this;\n\n\t}\n\n\tapplyQuaternion( q ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst qx = q.x, qy = q.y, qz = q.z, qw = q.w;\n\n\t\t// calculate quat * vector\n\n\t\tconst ix = qw * x + qy * z - qz * y;\n\t\tconst iy = qw * y + qz * x - qx * z;\n\t\tconst iz = qw * z + qx * y - qy * x;\n\t\tconst iw = - qx * x - qy * y - qz * z;\n\n\t\t// calculate result * inverse quat\n\n\t\tthis.x = ix * qw + iw * - qx + iy * - qz - iz * - qy;\n\t\tthis.y = iy * qw + iw * - qy + iz * - qx - ix * - qz;\n\t\tthis.z = iz * qw + iw * - qz + ix * - qy - iy * - qx;\n\n\t\treturn this;\n\n\t}\n\n\tproject( camera ) {\n\n\t\treturn this.applyMatrix4( camera.matrixWorldInverse ).applyMatrix4( camera.projectionMatrix );\n\n\t}\n\n\tunproject( camera ) {\n\n\t\treturn this.applyMatrix4( camera.projectionMatrixInverse ).applyMatrix4( camera.matrixWorld );\n\n\t}\n\n\ttransformDirection( m ) {\n\n\t\t// input: THREE.Matrix4 affine matrix\n\t\t// vector interpreted as a direction\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z;\n\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z;\n\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z;\n\n\t\treturn this.normalize();\n\n\t}\n\n\tdivide( v ) {\n\n\t\tthis.x /= v.x;\n\t\tthis.y /= v.y;\n\t\tthis.z /= v.z;\n\n\t\treturn this;\n\n\t}\n\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\t\tthis.z = Math.min( this.z, v.z );\n\n\t\treturn this;\n\n\t}\n\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\t\tthis.z = Math.max( this.z, v.z );\n\n\t\treturn this;\n\n\t}\n\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = Math.max( min.x, Math.min( max.x, this.x ) );\n\t\tthis.y = Math.max( min.y, Math.min( max.y, this.y ) );\n\t\tthis.z = Math.max( min.z, Math.min( max.z, this.z ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = Math.max( minVal, Math.min( maxVal, this.x ) );\n\t\tthis.y = Math.max( minVal, Math.min( maxVal, this.y ) );\n\t\tthis.z = Math.max( minVal, Math.min( maxVal, this.z ) );\n\n\t\treturn this;\n\n\t}\n\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) );\n\n\t}\n\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\t\tthis.z = Math.floor( this.z );\n\n\t\treturn this;\n\n\t}\n\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\t\tthis.z = Math.ceil( this.z );\n\n\t\treturn this;\n\n\t}\n\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\t\tthis.z = Math.round( this.z );\n\n\t\treturn this;\n\n\t}\n\n\troundToZero() {\n\n\t\tthis.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x );\n\t\tthis.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y );\n\t\tthis.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z );\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\t\tthis.z = - this.z;\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y + this.z * v.z;\n\n\t}\n\n\t// TODO lengthSquared?\n\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y + this.z * this.z;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z );\n\n\t}\n\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z );\n\n\t}\n\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\tthis.z += ( v.z - this.z ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\t\tthis.z = v1.z + ( v2.z - v1.z ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tcross( v, w ) {\n\n\t\tif ( w !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.' );\n\t\t\treturn this.crossVectors( v, w );\n\n\t\t}\n\n\t\treturn this.crossVectors( this, v );\n\n\t}\n\n\tcrossVectors( a, b ) {\n\n\t\tconst ax = a.x, ay = a.y, az = a.z;\n\t\tconst bx = b.x, by = b.y, bz = b.z;\n\n\t\tthis.x = ay * bz - az * by;\n\t\tthis.y = az * bx - ax * bz;\n\t\tthis.z = ax * by - ay * bx;\n\n\t\treturn this;\n\n\t}\n\n\tprojectOnVector( v ) {\n\n\t\tconst denominator = v.lengthSq();\n\n\t\tif ( denominator === 0 ) return this.set( 0, 0, 0 );\n\n\t\tconst scalar = v.dot( this ) / denominator;\n\n\t\treturn this.copy( v ).multiplyScalar( scalar );\n\n\t}\n\n\tprojectOnPlane( planeNormal ) {\n\n\t\t_vector$c.copy( this ).projectOnVector( planeNormal );\n\n\t\treturn this.sub( _vector$c );\n\n\t}\n\n\treflect( normal ) {\n\n\t\t// reflect incident vector off plane orthogonal to normal\n\t\t// normal is assumed to have unit length\n\n\t\treturn this.sub( _vector$c.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) );\n\n\t}\n\n\tangleTo( v ) {\n\n\t\tconst denominator = Math.sqrt( this.lengthSq() * v.lengthSq() );\n\n\t\tif ( denominator === 0 ) return Math.PI / 2;\n\n\t\tconst theta = this.dot( v ) / denominator;\n\n\t\t// clamp, to handle numerical problems\n\n\t\treturn Math.acos( clamp( theta, - 1, 1 ) );\n\n\t}\n\n\tdistanceTo( v ) {\n\n\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t}\n\n\tdistanceToSquared( v ) {\n\n\t\tconst dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z;\n\n\t\treturn dx * dx + dy * dy + dz * dz;\n\n\t}\n\n\tmanhattanDistanceTo( v ) {\n\n\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z );\n\n\t}\n\n\tsetFromSpherical( s ) {\n\n\t\treturn this.setFromSphericalCoords( s.radius, s.phi, s.theta );\n\n\t}\n\n\tsetFromSphericalCoords( radius, phi, theta ) {\n\n\t\tconst sinPhiRadius = Math.sin( phi ) * radius;\n\n\t\tthis.x = sinPhiRadius * Math.sin( theta );\n\t\tthis.y = Math.cos( phi ) * radius;\n\t\tthis.z = sinPhiRadius * Math.cos( theta );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCylindrical( c ) {\n\n\t\treturn this.setFromCylindricalCoords( c.radius, c.theta, c.y );\n\n\t}\n\n\tsetFromCylindricalCoords( radius, theta, y ) {\n\n\t\tthis.x = radius * Math.sin( theta );\n\t\tthis.y = y;\n\t\tthis.z = radius * Math.cos( theta );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixPosition( m ) {\n\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 12 ];\n\t\tthis.y = e[ 13 ];\n\t\tthis.z = e[ 14 ];\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixScale( m ) {\n\n\t\tconst sx = this.setFromMatrixColumn( m, 0 ).length();\n\t\tconst sy = this.setFromMatrixColumn( m, 1 ).length();\n\t\tconst sz = this.setFromMatrixColumn( m, 2 ).length();\n\n\t\tthis.x = sx;\n\t\tthis.y = sy;\n\t\tthis.z = sz;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixColumn( m, index ) {\n\n\t\treturn this.fromArray( m.elements, index * 4 );\n\n\t}\n\n\tsetFromMatrix3Column( m, index ) {\n\n\t\treturn this.fromArray( m.elements, index * 3 );\n\n\t}\n\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\t\tthis.z = array[ offset + 2 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\t\tarray[ offset + 2 ] = this.z;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index, offset ) {\n\n\t\tif ( offset !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Vector3: offset has been removed from .fromBufferAttribute().' );\n\n\t\t}\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\t\tthis.z = attribute.getZ( index );\n\n\t\treturn this;\n\n\t}\n\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\t\tthis.z = Math.random();\n\n\t\treturn this;\n\n\t}\n\n\trandomDirection() {\n\n\t\t// Derived from https://mathworld.wolfram.com/SpherePointPicking.html\n\n\t\tconst u = ( Math.random() - 0.5 ) * 2;\n\t\tconst t = Math.random() * Math.PI * 2;\n\t\tconst f = Math.sqrt( 1 - u ** 2 );\n\n\t\tthis.x = f * Math.cos( t );\n\t\tthis.y = f * Math.sin( t );\n\t\tthis.z = u;\n\n\t\treturn this;\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.x;\n\t\tyield this.y;\n\t\tyield this.z;\n\n\t}\n\n}\n\nVector3.prototype.isVector3 = true;\n\nconst _vector$c = /*@__PURE__*/ new Vector3();\nconst _quaternion$4 = /*@__PURE__*/ new Quaternion();\n\nclass Box3 {\n\n\tconstructor( min = new Vector3( + Infinity, + Infinity, + Infinity ), max = new Vector3( - Infinity, - Infinity, - Infinity ) ) {\n\n\t\tthis.min = min;\n\t\tthis.max = max;\n\n\t}\n\n\tset( min, max ) {\n\n\t\tthis.min.copy( min );\n\t\tthis.max.copy( max );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromArray( array ) {\n\n\t\tlet minX = + Infinity;\n\t\tlet minY = + Infinity;\n\t\tlet minZ = + Infinity;\n\n\t\tlet maxX = - Infinity;\n\t\tlet maxY = - Infinity;\n\t\tlet maxZ = - Infinity;\n\n\t\tfor ( let i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\tconst x = array[ i ];\n\t\t\tconst y = array[ i + 1 ];\n\t\t\tconst z = array[ i + 2 ];\n\n\t\t\tif ( x < minX ) minX = x;\n\t\t\tif ( y < minY ) minY = y;\n\t\t\tif ( z < minZ ) minZ = z;\n\n\t\t\tif ( x > maxX ) maxX = x;\n\t\t\tif ( y > maxY ) maxY = y;\n\t\t\tif ( z > maxZ ) maxZ = z;\n\n\t\t}\n\n\t\tthis.min.set( minX, minY, minZ );\n\t\tthis.max.set( maxX, maxY, maxZ );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromBufferAttribute( attribute ) {\n\n\t\tlet minX = + Infinity;\n\t\tlet minY = + Infinity;\n\t\tlet minZ = + Infinity;\n\n\t\tlet maxX = - Infinity;\n\t\tlet maxY = - Infinity;\n\t\tlet maxZ = - Infinity;\n\n\t\tfor ( let i = 0, l = attribute.count; i < l; i ++ ) {\n\n\t\t\tconst x = attribute.getX( i );\n\t\t\tconst y = attribute.getY( i );\n\t\t\tconst z = attribute.getZ( i );\n\n\t\t\tif ( x < minX ) minX = x;\n\t\t\tif ( y < minY ) minY = y;\n\t\t\tif ( z < minZ ) minZ = z;\n\n\t\t\tif ( x > maxX ) maxX = x;\n\t\t\tif ( y > maxY ) maxY = y;\n\t\t\tif ( z > maxZ ) maxZ = z;\n\n\t\t}\n\n\t\tthis.min.set( minX, minY, minZ );\n\t\tthis.max.set( maxX, maxY, maxZ );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCenterAndSize( center, size ) {\n\n\t\tconst halfSize = _vector$b.copy( size ).multiplyScalar( 0.5 );\n\n\t\tthis.min.copy( center ).sub( halfSize );\n\t\tthis.max.copy( center ).add( halfSize );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromObject( object ) {\n\n\t\tthis.makeEmpty();\n\n\t\treturn this.expandByObject( object );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( box ) {\n\n\t\tthis.min.copy( box.min );\n\t\tthis.max.copy( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tmakeEmpty() {\n\n\t\tthis.min.x = this.min.y = this.min.z = + Infinity;\n\t\tthis.max.x = this.max.y = this.max.z = - Infinity;\n\n\t\treturn this;\n\n\t}\n\n\tisEmpty() {\n\n\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z );\n\n\t}\n\n\tgetCenter( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t}\n\n\tgetSize( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0, 0 ) : target.subVectors( this.max, this.min );\n\n\t}\n\n\texpandByPoint( point ) {\n\n\t\tthis.min.min( point );\n\t\tthis.max.max( point );\n\n\t\treturn this;\n\n\t}\n\n\texpandByVector( vector ) {\n\n\t\tthis.min.sub( vector );\n\t\tthis.max.add( vector );\n\n\t\treturn this;\n\n\t}\n\n\texpandByScalar( scalar ) {\n\n\t\tthis.min.addScalar( - scalar );\n\t\tthis.max.addScalar( scalar );\n\n\t\treturn this;\n\n\t}\n\n\texpandByObject( object ) {\n\n\t\t// Computes the world-axis-aligned bounding box of an object (including its children),\n\t\t// accounting for both the object's, and children's, world transforms\n\n\t\tobject.updateWorldMatrix( false, false );\n\n\t\tconst geometry = object.geometry;\n\n\t\tif ( geometry !== undefined ) {\n\n\t\t\tif ( geometry.boundingBox === null ) {\n\n\t\t\t\tgeometry.computeBoundingBox();\n\n\t\t\t}\n\n\t\t\t_box$3.copy( geometry.boundingBox );\n\t\t\t_box$3.applyMatrix4( object.matrixWorld );\n\n\t\t\tthis.union( _box$3 );\n\n\t\t}\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tthis.expandByObject( children[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn point.x < this.min.x || point.x > this.max.x ||\n\t\t\tpoint.y < this.min.y || point.y > this.max.y ||\n\t\t\tpoint.z < this.min.z || point.z > this.max.z ? false : true;\n\n\t}\n\n\tcontainsBox( box ) {\n\n\t\treturn this.min.x <= box.min.x && box.max.x <= this.max.x &&\n\t\t\tthis.min.y <= box.min.y && box.max.y <= this.max.y &&\n\t\t\tthis.min.z <= box.min.z && box.max.z <= this.max.z;\n\n\t}\n\n\tgetParameter( point, target ) {\n\n\t\t// This can potentially have a divide by zero if the box\n\t\t// has a size dimension of 0.\n\n\t\treturn target.set(\n\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y ),\n\t\t\t( point.z - this.min.z ) / ( this.max.z - this.min.z )\n\t\t);\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\t// using 6 splitting planes to rule out intersections.\n\t\treturn box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\tbox.max.y < this.min.y || box.min.y > this.max.y ||\n\t\t\tbox.max.z < this.min.z || box.min.z > this.max.z ? false : true;\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\t// Find the point on the AABB closest to the sphere center.\n\t\tthis.clampPoint( sphere.center, _vector$b );\n\n\t\t// If that point is inside the sphere, the AABB and sphere intersect.\n\t\treturn _vector$b.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t}\n\n\tintersectsPlane( plane ) {\n\n\t\t// We compute the minimum and maximum dot product values. If those values\n\t\t// are on the same side (back or front) of the plane, then there is no intersection.\n\n\t\tlet min, max;\n\n\t\tif ( plane.normal.x > 0 ) {\n\n\t\t\tmin = plane.normal.x * this.min.x;\n\t\t\tmax = plane.normal.x * this.max.x;\n\n\t\t} else {\n\n\t\t\tmin = plane.normal.x * this.max.x;\n\t\t\tmax = plane.normal.x * this.min.x;\n\n\t\t}\n\n\t\tif ( plane.normal.y > 0 ) {\n\n\t\t\tmin += plane.normal.y * this.min.y;\n\t\t\tmax += plane.normal.y * this.max.y;\n\n\t\t} else {\n\n\t\t\tmin += plane.normal.y * this.max.y;\n\t\t\tmax += plane.normal.y * this.min.y;\n\n\t\t}\n\n\t\tif ( plane.normal.z > 0 ) {\n\n\t\t\tmin += plane.normal.z * this.min.z;\n\t\t\tmax += plane.normal.z * this.max.z;\n\n\t\t} else {\n\n\t\t\tmin += plane.normal.z * this.max.z;\n\t\t\tmax += plane.normal.z * this.min.z;\n\n\t\t}\n\n\t\treturn ( min <= - plane.constant && max >= - plane.constant );\n\n\t}\n\n\tintersectsTriangle( triangle ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// compute box center and extents\n\t\tthis.getCenter( _center );\n\t\t_extents.subVectors( this.max, _center );\n\n\t\t// translate triangle to aabb origin\n\t\t_v0$2.subVectors( triangle.a, _center );\n\t\t_v1$7.subVectors( triangle.b, _center );\n\t\t_v2$3.subVectors( triangle.c, _center );\n\n\t\t// compute edge vectors for triangle\n\t\t_f0.subVectors( _v1$7, _v0$2 );\n\t\t_f1.subVectors( _v2$3, _v1$7 );\n\t\t_f2.subVectors( _v0$2, _v2$3 );\n\n\t\t// test against axes that are given by cross product combinations of the edges of the triangle and the edges of the aabb\n\t\t// make an axis testing of each of the 3 sides of the aabb against each of the 3 sides of the triangle = 9 axis of separation\n\t\t// axis_ij = u_i x f_j (u0, u1, u2 = face normals of aabb = x,y,z axes vectors since aabb is axis aligned)\n\t\tlet axes = [\n\t\t\t0, - _f0.z, _f0.y, 0, - _f1.z, _f1.y, 0, - _f2.z, _f2.y,\n\t\t\t_f0.z, 0, - _f0.x, _f1.z, 0, - _f1.x, _f2.z, 0, - _f2.x,\n\t\t\t- _f0.y, _f0.x, 0, - _f1.y, _f1.x, 0, - _f2.y, _f2.x, 0\n\t\t];\n\t\tif ( ! satForAxes( axes, _v0$2, _v1$7, _v2$3, _extents ) ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// test 3 face normals from the aabb\n\t\taxes = [ 1, 0, 0, 0, 1, 0, 0, 0, 1 ];\n\t\tif ( ! satForAxes( axes, _v0$2, _v1$7, _v2$3, _extents ) ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// finally testing the face normal of the triangle\n\t\t// use already existing triangle edge vectors here\n\t\t_triangleNormal.crossVectors( _f0, _f1 );\n\t\taxes = [ _triangleNormal.x, _triangleNormal.y, _triangleNormal.z ];\n\n\t\treturn satForAxes( axes, _v0$2, _v1$7, _v2$3, _extents );\n\n\t}\n\n\tclampPoint( point, target ) {\n\n\t\treturn target.copy( point ).clamp( this.min, this.max );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\tconst clampedPoint = _vector$b.copy( point ).clamp( this.min, this.max );\n\n\t\treturn clampedPoint.sub( point ).length();\n\n\t}\n\n\tgetBoundingSphere( target ) {\n\n\t\tthis.getCenter( target.center );\n\n\t\ttarget.radius = this.getSize( _vector$b ).length() * 0.5;\n\n\t\treturn target;\n\n\t}\n\n\tintersect( box ) {\n\n\t\tthis.min.max( box.min );\n\t\tthis.max.min( box.max );\n\n\t\t// ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values.\n\t\tif ( this.isEmpty() ) this.makeEmpty();\n\n\t\treturn this;\n\n\t}\n\n\tunion( box ) {\n\n\t\tthis.min.min( box.min );\n\t\tthis.max.max( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\t// transform of empty box is an empty box.\n\t\tif ( this.isEmpty() ) return this;\n\n\t\t// NOTE: I am using a binary pattern to specify all 2^3 combinations below\n\t\t_points[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000\n\t\t_points[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001\n\t\t_points[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010\n\t\t_points[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011\n\t\t_points[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100\n\t\t_points[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101\n\t\t_points[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110\n\t\t_points[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 111\n\n\t\tthis.setFromPoints( _points );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.min.add( offset );\n\t\tthis.max.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\tequals( box ) {\n\n\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t}\n\n}\n\nBox3.prototype.isBox3 = true;\n\nconst _points = [\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3()\n];\n\nconst _vector$b = /*@__PURE__*/ new Vector3();\n\nconst _box$3 = /*@__PURE__*/ new Box3();\n\n// triangle centered vertices\n\nconst _v0$2 = /*@__PURE__*/ new Vector3();\nconst _v1$7 = /*@__PURE__*/ new Vector3();\nconst _v2$3 = /*@__PURE__*/ new Vector3();\n\n// triangle edge vectors\n\nconst _f0 = /*@__PURE__*/ new Vector3();\nconst _f1 = /*@__PURE__*/ new Vector3();\nconst _f2 = /*@__PURE__*/ new Vector3();\n\nconst _center = /*@__PURE__*/ new Vector3();\nconst _extents = /*@__PURE__*/ new Vector3();\nconst _triangleNormal = /*@__PURE__*/ new Vector3();\nconst _testAxis = /*@__PURE__*/ new Vector3();\n\nfunction satForAxes( axes, v0, v1, v2, extents ) {\n\n\tfor ( let i = 0, j = axes.length - 3; i <= j; i += 3 ) {\n\n\t\t_testAxis.fromArray( axes, i );\n\t\t// project the aabb onto the seperating axis\n\t\tconst r = extents.x * Math.abs( _testAxis.x ) + extents.y * Math.abs( _testAxis.y ) + extents.z * Math.abs( _testAxis.z );\n\t\t// project all 3 vertices of the triangle onto the seperating axis\n\t\tconst p0 = v0.dot( _testAxis );\n\t\tconst p1 = v1.dot( _testAxis );\n\t\tconst p2 = v2.dot( _testAxis );\n\t\t// actual test, basically see if either of the most extreme of the triangle points intersects r\n\t\tif ( Math.max( - Math.max( p0, p1, p2 ), Math.min( p0, p1, p2 ) ) > r ) {\n\n\t\t\t// points of the projected triangle are outside the projected half-length of the aabb\n\t\t\t// the axis is seperating and we can exit\n\t\t\treturn false;\n\n\t\t}\n\n\t}\n\n\treturn true;\n\n}\n\nconst _box$2 = /*@__PURE__*/ new Box3();\nconst _v1$6 = /*@__PURE__*/ new Vector3();\nconst _toFarthestPoint = /*@__PURE__*/ new Vector3();\nconst _toPoint = /*@__PURE__*/ new Vector3();\n\nclass Sphere {\n\n\tconstructor( center = new Vector3(), radius = - 1 ) {\n\n\t\tthis.center = center;\n\t\tthis.radius = radius;\n\n\t}\n\n\tset( center, radius ) {\n\n\t\tthis.center.copy( center );\n\t\tthis.radius = radius;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points, optionalCenter ) {\n\n\t\tconst center = this.center;\n\n\t\tif ( optionalCenter !== undefined ) {\n\n\t\t\tcenter.copy( optionalCenter );\n\n\t\t} else {\n\n\t\t\t_box$2.setFromPoints( points ).getCenter( center );\n\n\t\t}\n\n\t\tlet maxRadiusSq = 0;\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) );\n\n\t\t}\n\n\t\tthis.radius = Math.sqrt( maxRadiusSq );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( sphere ) {\n\n\t\tthis.center.copy( sphere.center );\n\t\tthis.radius = sphere.radius;\n\n\t\treturn this;\n\n\t}\n\n\tisEmpty() {\n\n\t\treturn ( this.radius < 0 );\n\n\t}\n\n\tmakeEmpty() {\n\n\t\tthis.center.set( 0, 0, 0 );\n\t\tthis.radius = - 1;\n\n\t\treturn this;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn ( point.distanceTo( this.center ) - this.radius );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\tconst radiusSum = this.radius + sphere.radius;\n\n\t\treturn sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsSphere( this );\n\n\t}\n\n\tintersectsPlane( plane ) {\n\n\t\treturn Math.abs( plane.distanceToPoint( this.center ) ) <= this.radius;\n\n\t}\n\n\tclampPoint( point, target ) {\n\n\t\tconst deltaLengthSq = this.center.distanceToSquared( point );\n\n\t\ttarget.copy( point );\n\n\t\tif ( deltaLengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\ttarget.sub( this.center ).normalize();\n\t\t\ttarget.multiplyScalar( this.radius ).add( this.center );\n\n\t\t}\n\n\t\treturn target;\n\n\t}\n\n\tgetBoundingBox( target ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\t// Empty sphere produces empty bounding box\n\t\t\ttarget.makeEmpty();\n\t\t\treturn target;\n\n\t\t}\n\n\t\ttarget.set( this.center, this.center );\n\t\ttarget.expandByScalar( this.radius );\n\n\t\treturn target;\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tthis.center.applyMatrix4( matrix );\n\t\tthis.radius = this.radius * matrix.getMaxScaleOnAxis();\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.center.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\texpandByPoint( point ) {\n\n\t\t// from https://github.com/juj/MathGeoLib/blob/2940b99b99cfe575dd45103ef20f4019dee15b54/src/Geometry/Sphere.cpp#L649-L671\n\n\t\t_toPoint.subVectors( point, this.center );\n\n\t\tconst lengthSq = _toPoint.lengthSq();\n\n\t\tif ( lengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\tconst length = Math.sqrt( lengthSq );\n\t\t\tconst missingRadiusHalf = ( length - this.radius ) * 0.5;\n\n\t\t\t// Nudge this sphere towards the target point. Add half the missing distance to radius,\n\t\t\t// and the other half to position. This gives a tighter enclosure, instead of if\n\t\t\t// the whole missing distance were just added to radius.\n\n\t\t\tthis.center.add( _toPoint.multiplyScalar( missingRadiusHalf / length ) );\n\t\t\tthis.radius += missingRadiusHalf;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tunion( sphere ) {\n\n\t\t// from https://github.com/juj/MathGeoLib/blob/2940b99b99cfe575dd45103ef20f4019dee15b54/src/Geometry/Sphere.cpp#L759-L769\n\n\t\t// To enclose another sphere into this sphere, we only need to enclose two points:\n\t\t// 1) Enclose the farthest point on the other sphere into this sphere.\n\t\t// 2) Enclose the opposite point of the farthest point into this sphere.\n\n\t\t_toFarthestPoint.subVectors( sphere.center, this.center ).normalize().multiplyScalar( sphere.radius );\n\n\t\tthis.expandByPoint( _v1$6.copy( sphere.center ).add( _toFarthestPoint ) );\n\t\tthis.expandByPoint( _v1$6.copy( sphere.center ).sub( _toFarthestPoint ) );\n\n\t\treturn this;\n\n\t}\n\n\tequals( sphere ) {\n\n\t\treturn sphere.center.equals( this.center ) && ( sphere.radius === this.radius );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _vector$a = /*@__PURE__*/ new Vector3();\nconst _segCenter = /*@__PURE__*/ new Vector3();\nconst _segDir = /*@__PURE__*/ new Vector3();\nconst _diff = /*@__PURE__*/ new Vector3();\n\nconst _edge1 = /*@__PURE__*/ new Vector3();\nconst _edge2 = /*@__PURE__*/ new Vector3();\nconst _normal$1 = /*@__PURE__*/ new Vector3();\n\nclass Ray {\n\n\tconstructor( origin = new Vector3(), direction = new Vector3( 0, 0, - 1 ) ) {\n\n\t\tthis.origin = origin;\n\t\tthis.direction = direction;\n\n\t}\n\n\tset( origin, direction ) {\n\n\t\tthis.origin.copy( origin );\n\t\tthis.direction.copy( direction );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( ray ) {\n\n\t\tthis.origin.copy( ray.origin );\n\t\tthis.direction.copy( ray.direction );\n\n\t\treturn this;\n\n\t}\n\n\tat( t, target ) {\n\n\t\treturn target.copy( this.direction ).multiplyScalar( t ).add( this.origin );\n\n\t}\n\n\tlookAt( v ) {\n\n\t\tthis.direction.copy( v ).sub( this.origin ).normalize();\n\n\t\treturn this;\n\n\t}\n\n\trecast( t ) {\n\n\t\tthis.origin.copy( this.at( t, _vector$a ) );\n\n\t\treturn this;\n\n\t}\n\n\tclosestPointToPoint( point, target ) {\n\n\t\ttarget.subVectors( point, this.origin );\n\n\t\tconst directionDistance = target.dot( this.direction );\n\n\t\tif ( directionDistance < 0 ) {\n\n\t\t\treturn target.copy( this.origin );\n\n\t\t}\n\n\t\treturn target.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn Math.sqrt( this.distanceSqToPoint( point ) );\n\n\t}\n\n\tdistanceSqToPoint( point ) {\n\n\t\tconst directionDistance = _vector$a.subVectors( point, this.origin ).dot( this.direction );\n\n\t\t// point behind the ray\n\n\t\tif ( directionDistance < 0 ) {\n\n\t\t\treturn this.origin.distanceToSquared( point );\n\n\t\t}\n\n\t\t_vector$a.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin );\n\n\t\treturn _vector$a.distanceToSquared( point );\n\n\t}\n\n\tdistanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) {\n\n\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteDistRaySegment.h\n\t\t// It returns the min distance between the ray and the segment\n\t\t// defined by v0 and v1\n\t\t// It can also set two optional targets :\n\t\t// - The closest point on the ray\n\t\t// - The closest point on the segment\n\n\t\t_segCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 );\n\t\t_segDir.copy( v1 ).sub( v0 ).normalize();\n\t\t_diff.copy( this.origin ).sub( _segCenter );\n\n\t\tconst segExtent = v0.distanceTo( v1 ) * 0.5;\n\t\tconst a01 = - this.direction.dot( _segDir );\n\t\tconst b0 = _diff.dot( this.direction );\n\t\tconst b1 = - _diff.dot( _segDir );\n\t\tconst c = _diff.lengthSq();\n\t\tconst det = Math.abs( 1 - a01 * a01 );\n\t\tlet s0, s1, sqrDist, extDet;\n\n\t\tif ( det > 0 ) {\n\n\t\t\t// The ray and segment are not parallel.\n\n\t\t\ts0 = a01 * b1 - b0;\n\t\t\ts1 = a01 * b0 - b1;\n\t\t\textDet = segExtent * det;\n\n\t\t\tif ( s0 >= 0 ) {\n\n\t\t\t\tif ( s1 >= - extDet ) {\n\n\t\t\t\t\tif ( s1 <= extDet ) {\n\n\t\t\t\t\t\t// region 0\n\t\t\t\t\t\t// Minimum at interior points of ray and segment.\n\n\t\t\t\t\t\tconst invDet = 1 / det;\n\t\t\t\t\t\ts0 *= invDet;\n\t\t\t\t\t\ts1 *= invDet;\n\t\t\t\t\t\tsqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// region 1\n\n\t\t\t\t\t\ts1 = segExtent;\n\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// region 5\n\n\t\t\t\t\ts1 = - segExtent;\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( s1 <= - extDet ) {\n\n\t\t\t\t\t// region 4\n\n\t\t\t\t\ts0 = Math.max( 0, - ( - a01 * segExtent + b0 ) );\n\t\t\t\t\ts1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t} else if ( s1 <= extDet ) {\n\n\t\t\t\t\t// region 3\n\n\t\t\t\t\ts0 = 0;\n\t\t\t\t\ts1 = Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// region 2\n\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * segExtent + b0 ) );\n\t\t\t\t\ts1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// Ray and segment are parallel.\n\n\t\t\ts1 = ( a01 > 0 ) ? - segExtent : segExtent;\n\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t}\n\n\t\tif ( optionalPointOnRay ) {\n\n\t\t\toptionalPointOnRay.copy( this.direction ).multiplyScalar( s0 ).add( this.origin );\n\n\t\t}\n\n\t\tif ( optionalPointOnSegment ) {\n\n\t\t\toptionalPointOnSegment.copy( _segDir ).multiplyScalar( s1 ).add( _segCenter );\n\n\t\t}\n\n\t\treturn sqrDist;\n\n\t}\n\n\tintersectSphere( sphere, target ) {\n\n\t\t_vector$a.subVectors( sphere.center, this.origin );\n\t\tconst tca = _vector$a.dot( this.direction );\n\t\tconst d2 = _vector$a.dot( _vector$a ) - tca * tca;\n\t\tconst radius2 = sphere.radius * sphere.radius;\n\n\t\tif ( d2 > radius2 ) return null;\n\n\t\tconst thc = Math.sqrt( radius2 - d2 );\n\n\t\t// t0 = first intersect point - entrance on front of sphere\n\t\tconst t0 = tca - thc;\n\n\t\t// t1 = second intersect point - exit point on back of sphere\n\t\tconst t1 = tca + thc;\n\n\t\t// test to see if both t0 and t1 are behind the ray - if so, return null\n\t\tif ( t0 < 0 && t1 < 0 ) return null;\n\n\t\t// test to see if t0 is behind the ray:\n\t\t// if it is, the ray is inside the sphere, so return the second exit point scaled by t1,\n\t\t// in order to always return an intersect point that is in front of the ray.\n\t\tif ( t0 < 0 ) return this.at( t1, target );\n\n\t\t// else t0 is in front of the ray, so return the first collision point scaled by t0\n\t\treturn this.at( t0, target );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\treturn this.distanceSqToPoint( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t}\n\n\tdistanceToPlane( plane ) {\n\n\t\tconst denominator = plane.normal.dot( this.direction );\n\n\t\tif ( denominator === 0 ) {\n\n\t\t\t// line is coplanar, return origin\n\t\t\tif ( plane.distanceToPoint( this.origin ) === 0 ) {\n\n\t\t\t\treturn 0;\n\n\t\t\t}\n\n\t\t\t// Null is preferable to undefined since undefined means.... it is undefined\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator;\n\n\t\t// Return if the ray never intersects the plane\n\n\t\treturn t >= 0 ? t : null;\n\n\t}\n\n\tintersectPlane( plane, target ) {\n\n\t\tconst t = this.distanceToPlane( plane );\n\n\t\tif ( t === null ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\treturn this.at( t, target );\n\n\t}\n\n\tintersectsPlane( plane ) {\n\n\t\t// check if the ray lies on the plane first\n\n\t\tconst distToPoint = plane.distanceToPoint( this.origin );\n\n\t\tif ( distToPoint === 0 ) {\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\tconst denominator = plane.normal.dot( this.direction );\n\n\t\tif ( denominator * distToPoint < 0 ) {\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\t// ray origin is behind the plane (and is pointing behind it)\n\n\t\treturn false;\n\n\t}\n\n\tintersectBox( box, target ) {\n\n\t\tlet tmin, tmax, tymin, tymax, tzmin, tzmax;\n\n\t\tconst invdirx = 1 / this.direction.x,\n\t\t\tinvdiry = 1 / this.direction.y,\n\t\t\tinvdirz = 1 / this.direction.z;\n\n\t\tconst origin = this.origin;\n\n\t\tif ( invdirx >= 0 ) {\n\n\t\t\ttmin = ( box.min.x - origin.x ) * invdirx;\n\t\t\ttmax = ( box.max.x - origin.x ) * invdirx;\n\n\t\t} else {\n\n\t\t\ttmin = ( box.max.x - origin.x ) * invdirx;\n\t\t\ttmax = ( box.min.x - origin.x ) * invdirx;\n\n\t\t}\n\n\t\tif ( invdiry >= 0 ) {\n\n\t\t\ttymin = ( box.min.y - origin.y ) * invdiry;\n\t\t\ttymax = ( box.max.y - origin.y ) * invdiry;\n\n\t\t} else {\n\n\t\t\ttymin = ( box.max.y - origin.y ) * invdiry;\n\t\t\ttymax = ( box.min.y - origin.y ) * invdiry;\n\n\t\t}\n\n\t\tif ( ( tmin > tymax ) || ( tymin > tmax ) ) return null;\n\n\t\t// These lines also handle the case where tmin or tmax is NaN\n\t\t// (result of 0 * Infinity). x !== x returns true if x is NaN\n\n\t\tif ( tymin > tmin || tmin !== tmin ) tmin = tymin;\n\n\t\tif ( tymax < tmax || tmax !== tmax ) tmax = tymax;\n\n\t\tif ( invdirz >= 0 ) {\n\n\t\t\ttzmin = ( box.min.z - origin.z ) * invdirz;\n\t\t\ttzmax = ( box.max.z - origin.z ) * invdirz;\n\n\t\t} else {\n\n\t\t\ttzmin = ( box.max.z - origin.z ) * invdirz;\n\t\t\ttzmax = ( box.min.z - origin.z ) * invdirz;\n\n\t\t}\n\n\t\tif ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null;\n\n\t\tif ( tzmin > tmin || tmin !== tmin ) tmin = tzmin;\n\n\t\tif ( tzmax < tmax || tmax !== tmax ) tmax = tzmax;\n\n\t\t//return point closest to the ray (positive side)\n\n\t\tif ( tmax < 0 ) return null;\n\n\t\treturn this.at( tmin >= 0 ? tmin : tmax, target );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn this.intersectBox( box, _vector$a ) !== null;\n\n\t}\n\n\tintersectTriangle( a, b, c, backfaceCulling, target ) {\n\n\t\t// Compute the offset origin, edges, and normal.\n\n\t\t// from http://www.geometrictools.com/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h\n\n\t\t_edge1.subVectors( b, a );\n\t\t_edge2.subVectors( c, a );\n\t\t_normal$1.crossVectors( _edge1, _edge2 );\n\n\t\t// Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction,\n\t\t// E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by\n\t\t// |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2))\n\t\t// |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q))\n\t\t// |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N)\n\t\tlet DdN = this.direction.dot( _normal$1 );\n\t\tlet sign;\n\n\t\tif ( DdN > 0 ) {\n\n\t\t\tif ( backfaceCulling ) return null;\n\t\t\tsign = 1;\n\n\t\t} else if ( DdN < 0 ) {\n\n\t\t\tsign = - 1;\n\t\t\tDdN = - DdN;\n\n\t\t} else {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t_diff.subVectors( this.origin, a );\n\t\tconst DdQxE2 = sign * this.direction.dot( _edge2.crossVectors( _diff, _edge2 ) );\n\n\t\t// b1 < 0, no intersection\n\t\tif ( DdQxE2 < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst DdE1xQ = sign * this.direction.dot( _edge1.cross( _diff ) );\n\n\t\t// b2 < 0, no intersection\n\t\tif ( DdE1xQ < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// b1+b2 > 1, no intersection\n\t\tif ( DdQxE2 + DdE1xQ > DdN ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// Line intersects triangle, check if ray does.\n\t\tconst QdN = - sign * _diff.dot( _normal$1 );\n\n\t\t// t < 0, no intersection\n\t\tif ( QdN < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// Ray intersects triangle.\n\t\treturn this.at( QdN / DdN, target );\n\n\t}\n\n\tapplyMatrix4( matrix4 ) {\n\n\t\tthis.origin.applyMatrix4( matrix4 );\n\t\tthis.direction.transformDirection( matrix4 );\n\n\t\treturn this;\n\n\t}\n\n\tequals( ray ) {\n\n\t\treturn ray.origin.equals( this.origin ) && ray.direction.equals( this.direction );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nclass Matrix4 {\n\n\tconstructor() {\n\n\t\tthis.elements = [\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t];\n\n\t\tif ( arguments.length > 0 ) {\n\n\t\t\tconsole.error( 'THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.' );\n\n\t\t}\n\n\t}\n\n\tset( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14;\n\t\tte[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24;\n\t\tte[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34;\n\t\tte[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44;\n\n\t\treturn this;\n\n\t}\n\n\tidentity() {\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new Matrix4().fromArray( this.elements );\n\n\t}\n\n\tcopy( m ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tte[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ]; te[ 3 ] = me[ 3 ];\n\t\tte[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ]; te[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ];\n\t\tte[ 8 ] = me[ 8 ]; te[ 9 ] = me[ 9 ]; te[ 10 ] = me[ 10 ]; te[ 11 ] = me[ 11 ];\n\t\tte[ 12 ] = me[ 12 ]; te[ 13 ] = me[ 13 ]; te[ 14 ] = me[ 14 ]; te[ 15 ] = me[ 15 ];\n\n\t\treturn this;\n\n\t}\n\n\tcopyPosition( m ) {\n\n\t\tconst te = this.elements, me = m.elements;\n\n\t\tte[ 12 ] = me[ 12 ];\n\t\tte[ 13 ] = me[ 13 ];\n\t\tte[ 14 ] = me[ 14 ];\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrix3( m ) {\n\n\t\tconst me = m.elements;\n\n\t\tthis.set(\n\n\t\t\tme[ 0 ], me[ 3 ], me[ 6 ], 0,\n\t\t\tme[ 1 ], me[ 4 ], me[ 7 ], 0,\n\t\t\tme[ 2 ], me[ 5 ], me[ 8 ], 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\textractBasis( xAxis, yAxis, zAxis ) {\n\n\t\txAxis.setFromMatrixColumn( this, 0 );\n\t\tyAxis.setFromMatrixColumn( this, 1 );\n\t\tzAxis.setFromMatrixColumn( this, 2 );\n\n\t\treturn this;\n\n\t}\n\n\tmakeBasis( xAxis, yAxis, zAxis ) {\n\n\t\tthis.set(\n\t\t\txAxis.x, yAxis.x, zAxis.x, 0,\n\t\t\txAxis.y, yAxis.y, zAxis.y, 0,\n\t\t\txAxis.z, yAxis.z, zAxis.z, 0,\n\t\t\t0, 0, 0, 1\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\textractRotation( m ) {\n\n\t\t// this method does not support reflection matrices\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tconst scaleX = 1 / _v1$5.setFromMatrixColumn( m, 0 ).length();\n\t\tconst scaleY = 1 / _v1$5.setFromMatrixColumn( m, 1 ).length();\n\t\tconst scaleZ = 1 / _v1$5.setFromMatrixColumn( m, 2 ).length();\n\n\t\tte[ 0 ] = me[ 0 ] * scaleX;\n\t\tte[ 1 ] = me[ 1 ] * scaleX;\n\t\tte[ 2 ] = me[ 2 ] * scaleX;\n\t\tte[ 3 ] = 0;\n\n\t\tte[ 4 ] = me[ 4 ] * scaleY;\n\t\tte[ 5 ] = me[ 5 ] * scaleY;\n\t\tte[ 6 ] = me[ 6 ] * scaleY;\n\t\tte[ 7 ] = 0;\n\n\t\tte[ 8 ] = me[ 8 ] * scaleZ;\n\t\tte[ 9 ] = me[ 9 ] * scaleZ;\n\t\tte[ 10 ] = me[ 10 ] * scaleZ;\n\t\tte[ 11 ] = 0;\n\n\t\tte[ 12 ] = 0;\n\t\tte[ 13 ] = 0;\n\t\tte[ 14 ] = 0;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationFromEuler( euler ) {\n\n\t\tif ( ! ( euler && euler.isEuler ) ) {\n\n\t\t\tconsole.error( 'THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.' );\n\n\t\t}\n\n\t\tconst te = this.elements;\n\n\t\tconst x = euler.x, y = euler.y, z = euler.z;\n\t\tconst a = Math.cos( x ), b = Math.sin( x );\n\t\tconst c = Math.cos( y ), d = Math.sin( y );\n\t\tconst e = Math.cos( z ), f = Math.sin( z );\n\n\t\tif ( euler.order === 'XYZ' ) {\n\n\t\t\tconst ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = - c * f;\n\t\t\tte[ 8 ] = d;\n\n\t\t\tte[ 1 ] = af + be * d;\n\t\t\tte[ 5 ] = ae - bf * d;\n\t\t\tte[ 9 ] = - b * c;\n\n\t\t\tte[ 2 ] = bf - ae * d;\n\t\t\tte[ 6 ] = be + af * d;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'YXZ' ) {\n\n\t\t\tconst ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\tte[ 0 ] = ce + df * b;\n\t\t\tte[ 4 ] = de * b - cf;\n\t\t\tte[ 8 ] = a * d;\n\n\t\t\tte[ 1 ] = a * f;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = - b;\n\n\t\t\tte[ 2 ] = cf * b - de;\n\t\t\tte[ 6 ] = df + ce * b;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'ZXY' ) {\n\n\t\t\tconst ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\tte[ 0 ] = ce - df * b;\n\t\t\tte[ 4 ] = - a * f;\n\t\t\tte[ 8 ] = de + cf * b;\n\n\t\t\tte[ 1 ] = cf + de * b;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = df - ce * b;\n\n\t\t\tte[ 2 ] = - a * d;\n\t\t\tte[ 6 ] = b;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'ZYX' ) {\n\n\t\t\tconst ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = be * d - af;\n\t\t\tte[ 8 ] = ae * d + bf;\n\n\t\t\tte[ 1 ] = c * f;\n\t\t\tte[ 5 ] = bf * d + ae;\n\t\t\tte[ 9 ] = af * d - be;\n\n\t\t\tte[ 2 ] = - d;\n\t\t\tte[ 6 ] = b * c;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'YZX' ) {\n\n\t\t\tconst ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = bd - ac * f;\n\t\t\tte[ 8 ] = bc * f + ad;\n\n\t\t\tte[ 1 ] = f;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = - b * e;\n\n\t\t\tte[ 2 ] = - d * e;\n\t\t\tte[ 6 ] = ad * f + bc;\n\t\t\tte[ 10 ] = ac - bd * f;\n\n\t\t} else if ( euler.order === 'XZY' ) {\n\n\t\t\tconst ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = - f;\n\t\t\tte[ 8 ] = d * e;\n\n\t\t\tte[ 1 ] = ac * f + bd;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = ad * f - bc;\n\n\t\t\tte[ 2 ] = bc * f - ad;\n\t\t\tte[ 6 ] = b * e;\n\t\t\tte[ 10 ] = bd * f + ac;\n\n\t\t}\n\n\t\t// bottom row\n\t\tte[ 3 ] = 0;\n\t\tte[ 7 ] = 0;\n\t\tte[ 11 ] = 0;\n\n\t\t// last column\n\t\tte[ 12 ] = 0;\n\t\tte[ 13 ] = 0;\n\t\tte[ 14 ] = 0;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationFromQuaternion( q ) {\n\n\t\treturn this.compose( _zero, q, _one );\n\n\t}\n\n\tlookAt( eye, target, up ) {\n\n\t\tconst te = this.elements;\n\n\t\t_z.subVectors( eye, target );\n\n\t\tif ( _z.lengthSq() === 0 ) {\n\n\t\t\t// eye and target are in the same position\n\n\t\t\t_z.z = 1;\n\n\t\t}\n\n\t\t_z.normalize();\n\t\t_x.crossVectors( up, _z );\n\n\t\tif ( _x.lengthSq() === 0 ) {\n\n\t\t\t// up and z are parallel\n\n\t\t\tif ( Math.abs( up.z ) === 1 ) {\n\n\t\t\t\t_z.x += 0.0001;\n\n\t\t\t} else {\n\n\t\t\t\t_z.z += 0.0001;\n\n\t\t\t}\n\n\t\t\t_z.normalize();\n\t\t\t_x.crossVectors( up, _z );\n\n\t\t}\n\n\t\t_x.normalize();\n\t\t_y.crossVectors( _z, _x );\n\n\t\tte[ 0 ] = _x.x; te[ 4 ] = _y.x; te[ 8 ] = _z.x;\n\t\tte[ 1 ] = _x.y; te[ 5 ] = _y.y; te[ 9 ] = _z.y;\n\t\tte[ 2 ] = _x.z; te[ 6 ] = _y.z; te[ 10 ] = _z.z;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( m, n ) {\n\n\t\tif ( n !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead.' );\n\t\t\treturn this.multiplyMatrices( m, n );\n\n\t\t}\n\n\t\treturn this.multiplyMatrices( this, m );\n\n\t}\n\n\tpremultiply( m ) {\n\n\t\treturn this.multiplyMatrices( m, this );\n\n\t}\n\n\tmultiplyMatrices( a, b ) {\n\n\t\tconst ae = a.elements;\n\t\tconst be = b.elements;\n\t\tconst te = this.elements;\n\n\t\tconst a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ];\n\t\tconst a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ];\n\t\tconst a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ];\n\t\tconst a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ];\n\n\t\tconst b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ];\n\t\tconst b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ];\n\t\tconst b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ];\n\t\tconst b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ];\n\n\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41;\n\t\tte[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42;\n\t\tte[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43;\n\t\tte[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44;\n\n\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41;\n\t\tte[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42;\n\t\tte[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43;\n\t\tte[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44;\n\n\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41;\n\t\tte[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42;\n\t\tte[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43;\n\t\tte[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44;\n\n\t\tte[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41;\n\t\tte[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42;\n\t\tte[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43;\n\t\tte[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( s ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s;\n\t\tte[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s;\n\t\tte[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s;\n\t\tte[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s;\n\n\t\treturn this;\n\n\t}\n\n\tdeterminant() {\n\n\t\tconst te = this.elements;\n\n\t\tconst n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ];\n\t\tconst n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ];\n\t\tconst n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ];\n\t\tconst n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ];\n\n\t\t//TODO: make this more efficient\n\t\t//( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm )\n\n\t\treturn (\n\t\t\tn41 * (\n\t\t\t\t+ n14 * n23 * n32\n\t\t\t\t - n13 * n24 * n32\n\t\t\t\t - n14 * n22 * n33\n\t\t\t\t + n12 * n24 * n33\n\t\t\t\t + n13 * n22 * n34\n\t\t\t\t - n12 * n23 * n34\n\t\t\t) +\n\t\t\tn42 * (\n\t\t\t\t+ n11 * n23 * n34\n\t\t\t\t - n11 * n24 * n33\n\t\t\t\t + n14 * n21 * n33\n\t\t\t\t - n13 * n21 * n34\n\t\t\t\t + n13 * n24 * n31\n\t\t\t\t - n14 * n23 * n31\n\t\t\t) +\n\t\t\tn43 * (\n\t\t\t\t+ n11 * n24 * n32\n\t\t\t\t - n11 * n22 * n34\n\t\t\t\t - n14 * n21 * n32\n\t\t\t\t + n12 * n21 * n34\n\t\t\t\t + n14 * n22 * n31\n\t\t\t\t - n12 * n24 * n31\n\t\t\t) +\n\t\t\tn44 * (\n\t\t\t\t- n13 * n22 * n31\n\t\t\t\t - n11 * n23 * n32\n\t\t\t\t + n11 * n22 * n33\n\t\t\t\t + n13 * n21 * n32\n\t\t\t\t - n12 * n21 * n33\n\t\t\t\t + n12 * n23 * n31\n\t\t\t)\n\n\t\t);\n\n\t}\n\n\ttranspose() {\n\n\t\tconst te = this.elements;\n\t\tlet tmp;\n\n\t\ttmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp;\n\t\ttmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp;\n\t\ttmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp;\n\n\t\ttmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp;\n\t\ttmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp;\n\t\ttmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp;\n\n\t\treturn this;\n\n\t}\n\n\tsetPosition( x, y, z ) {\n\n\t\tconst te = this.elements;\n\n\t\tif ( x.isVector3 ) {\n\n\t\t\tte[ 12 ] = x.x;\n\t\t\tte[ 13 ] = x.y;\n\t\t\tte[ 14 ] = x.z;\n\n\t\t} else {\n\n\t\t\tte[ 12 ] = x;\n\t\t\tte[ 13 ] = y;\n\t\t\tte[ 14 ] = z;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tinvert() {\n\n\t\t// based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm\n\t\tconst te = this.elements,\n\n\t\t\tn11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ], n41 = te[ 3 ],\n\t\t\tn12 = te[ 4 ], n22 = te[ 5 ], n32 = te[ 6 ], n42 = te[ 7 ],\n\t\t\tn13 = te[ 8 ], n23 = te[ 9 ], n33 = te[ 10 ], n43 = te[ 11 ],\n\t\t\tn14 = te[ 12 ], n24 = te[ 13 ], n34 = te[ 14 ], n44 = te[ 15 ],\n\n\t\t\tt11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44,\n\t\t\tt12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44,\n\t\t\tt13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44,\n\t\t\tt14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34;\n\n\t\tconst det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14;\n\n\t\tif ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 );\n\n\t\tconst detInv = 1 / det;\n\n\t\tte[ 0 ] = t11 * detInv;\n\t\tte[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv;\n\t\tte[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv;\n\t\tte[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv;\n\n\t\tte[ 4 ] = t12 * detInv;\n\t\tte[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv;\n\t\tte[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv;\n\t\tte[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv;\n\n\t\tte[ 8 ] = t13 * detInv;\n\t\tte[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv;\n\t\tte[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv;\n\t\tte[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv;\n\n\t\tte[ 12 ] = t14 * detInv;\n\t\tte[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv;\n\t\tte[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv;\n\t\tte[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv;\n\n\t\treturn this;\n\n\t}\n\n\tscale( v ) {\n\n\t\tconst te = this.elements;\n\t\tconst x = v.x, y = v.y, z = v.z;\n\n\t\tte[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z;\n\t\tte[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z;\n\t\tte[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z;\n\t\tte[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z;\n\n\t\treturn this;\n\n\t}\n\n\tgetMaxScaleOnAxis() {\n\n\t\tconst te = this.elements;\n\n\t\tconst scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ];\n\t\tconst scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ];\n\t\tconst scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ];\n\n\t\treturn Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) );\n\n\t}\n\n\tmakeTranslation( x, y, z ) {\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0, x,\n\t\t\t0, 1, 0, y,\n\t\t\t0, 0, 1, z,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationX( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, c, - s, 0,\n\t\t\t0, s, c, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationY( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\t c, 0, s, 0,\n\t\t\t 0, 1, 0, 0,\n\t\t\t- s, 0, c, 0,\n\t\t\t 0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationZ( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\tc, - s, 0, 0,\n\t\t\ts, c, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationAxis( axis, angle ) {\n\n\t\t// Based on http://www.gamedev.net/reference/articles/article1199.asp\n\n\t\tconst c = Math.cos( angle );\n\t\tconst s = Math.sin( angle );\n\t\tconst t = 1 - c;\n\t\tconst x = axis.x, y = axis.y, z = axis.z;\n\t\tconst tx = t * x, ty = t * y;\n\n\t\tthis.set(\n\n\t\t\ttx * x + c, tx * y - s * z, tx * z + s * y, 0,\n\t\t\ttx * y + s * z, ty * y + c, ty * z - s * x, 0,\n\t\t\ttx * z - s * y, ty * z + s * x, t * z * z + c, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeScale( x, y, z ) {\n\n\t\tthis.set(\n\n\t\t\tx, 0, 0, 0,\n\t\t\t0, y, 0, 0,\n\t\t\t0, 0, z, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeShear( xy, xz, yx, yz, zx, zy ) {\n\n\t\tthis.set(\n\n\t\t\t1, yx, zx, 0,\n\t\t\txy, 1, zy, 0,\n\t\t\txz, yz, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tcompose( position, quaternion, scale ) {\n\n\t\tconst te = this.elements;\n\n\t\tconst x = quaternion._x, y = quaternion._y, z = quaternion._z, w = quaternion._w;\n\t\tconst x2 = x + x,\ty2 = y + y, z2 = z + z;\n\t\tconst xx = x * x2, xy = x * y2, xz = x * z2;\n\t\tconst yy = y * y2, yz = y * z2, zz = z * z2;\n\t\tconst wx = w * x2, wy = w * y2, wz = w * z2;\n\n\t\tconst sx = scale.x, sy = scale.y, sz = scale.z;\n\n\t\tte[ 0 ] = ( 1 - ( yy + zz ) ) * sx;\n\t\tte[ 1 ] = ( xy + wz ) * sx;\n\t\tte[ 2 ] = ( xz - wy ) * sx;\n\t\tte[ 3 ] = 0;\n\n\t\tte[ 4 ] = ( xy - wz ) * sy;\n\t\tte[ 5 ] = ( 1 - ( xx + zz ) ) * sy;\n\t\tte[ 6 ] = ( yz + wx ) * sy;\n\t\tte[ 7 ] = 0;\n\n\t\tte[ 8 ] = ( xz + wy ) * sz;\n\t\tte[ 9 ] = ( yz - wx ) * sz;\n\t\tte[ 10 ] = ( 1 - ( xx + yy ) ) * sz;\n\t\tte[ 11 ] = 0;\n\n\t\tte[ 12 ] = position.x;\n\t\tte[ 13 ] = position.y;\n\t\tte[ 14 ] = position.z;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tdecompose( position, quaternion, scale ) {\n\n\t\tconst te = this.elements;\n\n\t\tlet sx = _v1$5.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length();\n\t\tconst sy = _v1$5.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length();\n\t\tconst sz = _v1$5.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length();\n\n\t\t// if determine is negative, we need to invert one scale\n\t\tconst det = this.determinant();\n\t\tif ( det < 0 ) sx = - sx;\n\n\t\tposition.x = te[ 12 ];\n\t\tposition.y = te[ 13 ];\n\t\tposition.z = te[ 14 ];\n\n\t\t// scale the rotation part\n\t\t_m1$2.copy( this );\n\n\t\tconst invSX = 1 / sx;\n\t\tconst invSY = 1 / sy;\n\t\tconst invSZ = 1 / sz;\n\n\t\t_m1$2.elements[ 0 ] *= invSX;\n\t\t_m1$2.elements[ 1 ] *= invSX;\n\t\t_m1$2.elements[ 2 ] *= invSX;\n\n\t\t_m1$2.elements[ 4 ] *= invSY;\n\t\t_m1$2.elements[ 5 ] *= invSY;\n\t\t_m1$2.elements[ 6 ] *= invSY;\n\n\t\t_m1$2.elements[ 8 ] *= invSZ;\n\t\t_m1$2.elements[ 9 ] *= invSZ;\n\t\t_m1$2.elements[ 10 ] *= invSZ;\n\n\t\tquaternion.setFromRotationMatrix( _m1$2 );\n\n\t\tscale.x = sx;\n\t\tscale.y = sy;\n\t\tscale.z = sz;\n\n\t\treturn this;\n\n\t}\n\n\tmakePerspective( left, right, top, bottom, near, far ) {\n\n\t\tif ( far === undefined ) {\n\n\t\t\tconsole.warn( 'THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.' );\n\n\t\t}\n\n\t\tconst te = this.elements;\n\t\tconst x = 2 * near / ( right - left );\n\t\tconst y = 2 * near / ( top - bottom );\n\n\t\tconst a = ( right + left ) / ( right - left );\n\t\tconst b = ( top + bottom ) / ( top - bottom );\n\t\tconst c = - ( far + near ) / ( far - near );\n\t\tconst d = - 2 * far * near / ( far - near );\n\n\t\tte[ 0 ] = x;\tte[ 4 ] = 0;\tte[ 8 ] = a;\tte[ 12 ] = 0;\n\t\tte[ 1 ] = 0;\tte[ 5 ] = y;\tte[ 9 ] = b;\tte[ 13 ] = 0;\n\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = c;\tte[ 14 ] = d;\n\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = - 1;\tte[ 15 ] = 0;\n\n\t\treturn this;\n\n\t}\n\n\tmakeOrthographic( left, right, top, bottom, near, far ) {\n\n\t\tconst te = this.elements;\n\t\tconst w = 1.0 / ( right - left );\n\t\tconst h = 1.0 / ( top - bottom );\n\t\tconst p = 1.0 / ( far - near );\n\n\t\tconst x = ( right + left ) * w;\n\t\tconst y = ( top + bottom ) * h;\n\t\tconst z = ( far + near ) * p;\n\n\t\tte[ 0 ] = 2 * w;\tte[ 4 ] = 0;\tte[ 8 ] = 0;\tte[ 12 ] = - x;\n\t\tte[ 1 ] = 0;\tte[ 5 ] = 2 * h;\tte[ 9 ] = 0;\tte[ 13 ] = - y;\n\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = - 2 * p;\tte[ 14 ] = - z;\n\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = 0;\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tequals( matrix ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = matrix.elements;\n\n\t\tfor ( let i = 0; i < 16; i ++ ) {\n\n\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tfor ( let i = 0; i < 16; i ++ ) {\n\n\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst te = this.elements;\n\n\t\tarray[ offset ] = te[ 0 ];\n\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\tarray[ offset + 2 ] = te[ 2 ];\n\t\tarray[ offset + 3 ] = te[ 3 ];\n\n\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\tarray[ offset + 5 ] = te[ 5 ];\n\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\tarray[ offset + 7 ] = te[ 7 ];\n\n\t\tarray[ offset + 8 ] = te[ 8 ];\n\t\tarray[ offset + 9 ] = te[ 9 ];\n\t\tarray[ offset + 10 ] = te[ 10 ];\n\t\tarray[ offset + 11 ] = te[ 11 ];\n\n\t\tarray[ offset + 12 ] = te[ 12 ];\n\t\tarray[ offset + 13 ] = te[ 13 ];\n\t\tarray[ offset + 14 ] = te[ 14 ];\n\t\tarray[ offset + 15 ] = te[ 15 ];\n\n\t\treturn array;\n\n\t}\n\n}\n\nMatrix4.prototype.isMatrix4 = true;\n\nconst _v1$5 = /*@__PURE__*/ new Vector3();\nconst _m1$2 = /*@__PURE__*/ new Matrix4();\nconst _zero = /*@__PURE__*/ new Vector3( 0, 0, 0 );\nconst _one = /*@__PURE__*/ new Vector3( 1, 1, 1 );\nconst _x = /*@__PURE__*/ new Vector3();\nconst _y = /*@__PURE__*/ new Vector3();\nconst _z = /*@__PURE__*/ new Vector3();\n\nconst _matrix$1 = /*@__PURE__*/ new Matrix4();\nconst _quaternion$3 = /*@__PURE__*/ new Quaternion();\n\nclass Euler {\n\n\tconstructor( x = 0, y = 0, z = 0, order = Euler.DefaultOrder ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._order = order;\n\n\t}\n\n\tget x() {\n\n\t\treturn this._x;\n\n\t}\n\n\tset x( value ) {\n\n\t\tthis._x = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget y() {\n\n\t\treturn this._y;\n\n\t}\n\n\tset y( value ) {\n\n\t\tthis._y = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget z() {\n\n\t\treturn this._z;\n\n\t}\n\n\tset z( value ) {\n\n\t\tthis._z = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget order() {\n\n\t\treturn this._order;\n\n\t}\n\n\tset order( value ) {\n\n\t\tthis._order = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tset( x, y, z, order = this._order ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._order = order;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this._x, this._y, this._z, this._order );\n\n\t}\n\n\tcopy( euler ) {\n\n\t\tthis._x = euler._x;\n\t\tthis._y = euler._y;\n\t\tthis._z = euler._z;\n\t\tthis._order = euler._order;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromRotationMatrix( m, order = this._order, update = true ) {\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tconst te = m.elements;\n\t\tconst m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ];\n\t\tconst m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ];\n\t\tconst m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\tswitch ( order ) {\n\n\t\t\tcase 'XYZ':\n\n\t\t\t\tthis._y = Math.asin( clamp( m13, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m13 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'YXZ':\n\n\t\t\t\tthis._x = Math.asin( - clamp( m23, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m23 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZXY':\n\n\t\t\t\tthis._x = Math.asin( clamp( m32, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m32 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = 0;\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZYX':\n\n\t\t\t\tthis._y = Math.asin( - clamp( m31, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m31 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'YZX':\n\n\t\t\t\tthis._z = Math.asin( clamp( m21, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m21 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m22 );\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'XZY':\n\n\t\t\t\tthis._z = Math.asin( - clamp( m12, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m12 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._y = Math.atan2( m13, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._y = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\n\t\t\t\tconsole.warn( 'THREE.Euler: .setFromRotationMatrix() encountered an unknown order: ' + order );\n\n\t\t}\n\n\t\tthis._order = order;\n\n\t\tif ( update === true ) this._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromQuaternion( q, order, update ) {\n\n\t\t_matrix$1.makeRotationFromQuaternion( q );\n\n\t\treturn this.setFromRotationMatrix( _matrix$1, order, update );\n\n\t}\n\n\tsetFromVector3( v, order = this._order ) {\n\n\t\treturn this.set( v.x, v.y, v.z, order );\n\n\t}\n\n\treorder( newOrder ) {\n\n\t\t// WARNING: this discards revolution information -bhouston\n\n\t\t_quaternion$3.setFromEuler( this );\n\n\t\treturn this.setFromQuaternion( _quaternion$3, newOrder );\n\n\t}\n\n\tequals( euler ) {\n\n\t\treturn ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order );\n\n\t}\n\n\tfromArray( array ) {\n\n\t\tthis._x = array[ 0 ];\n\t\tthis._y = array[ 1 ];\n\t\tthis._z = array[ 2 ];\n\t\tif ( array[ 3 ] !== undefined ) this._order = array[ 3 ];\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this._x;\n\t\tarray[ offset + 1 ] = this._y;\n\t\tarray[ offset + 2 ] = this._z;\n\t\tarray[ offset + 3 ] = this._order;\n\n\t\treturn array;\n\n\t}\n\n\ttoVector3( optionalResult ) {\n\n\t\tif ( optionalResult ) {\n\n\t\t\treturn optionalResult.set( this._x, this._y, this._z );\n\n\t\t} else {\n\n\t\t\treturn new Vector3( this._x, this._y, this._z );\n\n\t\t}\n\n\t}\n\n\t_onChange( callback ) {\n\n\t\tthis._onChangeCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\t_onChangeCallback() {}\n\n}\n\nEuler.prototype.isEuler = true;\n\nEuler.DefaultOrder = 'XYZ';\nEuler.RotationOrders = [ 'XYZ', 'YZX', 'ZXY', 'XZY', 'YXZ', 'ZYX' ];\n\nclass Layers {\n\n\tconstructor() {\n\n\t\tthis.mask = 1 | 0;\n\n\t}\n\n\tset( channel ) {\n\n\t\tthis.mask = ( 1 << channel | 0 ) >>> 0;\n\n\t}\n\n\tenable( channel ) {\n\n\t\tthis.mask |= 1 << channel | 0;\n\n\t}\n\n\tenableAll() {\n\n\t\tthis.mask = 0xffffffff | 0;\n\n\t}\n\n\ttoggle( channel ) {\n\n\t\tthis.mask ^= 1 << channel | 0;\n\n\t}\n\n\tdisable( channel ) {\n\n\t\tthis.mask &= ~ ( 1 << channel | 0 );\n\n\t}\n\n\tdisableAll() {\n\n\t\tthis.mask = 0;\n\n\t}\n\n\ttest( layers ) {\n\n\t\treturn ( this.mask & layers.mask ) !== 0;\n\n\t}\n\n\tisEnabled( channel ) {\n\n\t\treturn ( this.mask & ( 1 << channel | 0 ) ) !== 0;\n\n\t}\n\n}\n\nlet _object3DId = 0;\n\nconst _v1$4 = /*@__PURE__*/ new Vector3();\nconst _q1 = /*@__PURE__*/ new Quaternion();\nconst _m1$1 = /*@__PURE__*/ new Matrix4();\nconst _target = /*@__PURE__*/ new Vector3();\n\nconst _position$3 = /*@__PURE__*/ new Vector3();\nconst _scale$2 = /*@__PURE__*/ new Vector3();\nconst _quaternion$2 = /*@__PURE__*/ new Quaternion();\n\nconst _xAxis = /*@__PURE__*/ new Vector3( 1, 0, 0 );\nconst _yAxis = /*@__PURE__*/ new Vector3( 0, 1, 0 );\nconst _zAxis = /*@__PURE__*/ new Vector3( 0, 0, 1 );\n\nconst _addedEvent = { type: 'added' };\nconst _removedEvent = { type: 'removed' };\n\nclass Object3D extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tObject.defineProperty( this, 'id', { value: _object3DId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Object3D';\n\n\t\tthis.parent = null;\n\t\tthis.children = [];\n\n\t\tthis.up = Object3D.DefaultUp.clone();\n\n\t\tconst position = new Vector3();\n\t\tconst rotation = new Euler();\n\t\tconst quaternion = new Quaternion();\n\t\tconst scale = new Vector3( 1, 1, 1 );\n\n\t\tfunction onRotationChange() {\n\n\t\t\tquaternion.setFromEuler( rotation, false );\n\n\t\t}\n\n\t\tfunction onQuaternionChange() {\n\n\t\t\trotation.setFromQuaternion( quaternion, undefined, false );\n\n\t\t}\n\n\t\trotation._onChange( onRotationChange );\n\t\tquaternion._onChange( onQuaternionChange );\n\n\t\tObject.defineProperties( this, {\n\t\t\tposition: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: position\n\t\t\t},\n\t\t\trotation: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: rotation\n\t\t\t},\n\t\t\tquaternion: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: quaternion\n\t\t\t},\n\t\t\tscale: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: scale\n\t\t\t},\n\t\t\tmodelViewMatrix: {\n\t\t\t\tvalue: new Matrix4()\n\t\t\t},\n\t\t\tnormalMatrix: {\n\t\t\t\tvalue: new Matrix3()\n\t\t\t}\n\t\t} );\n\n\t\tthis.matrix = new Matrix4();\n\t\tthis.matrixWorld = new Matrix4();\n\n\t\tthis.matrixAutoUpdate = Object3D.DefaultMatrixAutoUpdate;\n\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\tthis.layers = new Layers();\n\t\tthis.visible = true;\n\n\t\tthis.castShadow = false;\n\t\tthis.receiveShadow = false;\n\n\t\tthis.frustumCulled = true;\n\t\tthis.renderOrder = 0;\n\n\t\tthis.animations = [];\n\n\t\tthis.userData = {};\n\n\t}\n\n\tonBeforeRender( /* renderer, scene, camera, geometry, material, group */ ) {}\n\n\tonAfterRender( /* renderer, scene, camera, geometry, material, group */ ) {}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tthis.matrix.premultiply( matrix );\n\n\t\tthis.matrix.decompose( this.position, this.quaternion, this.scale );\n\n\t}\n\n\tapplyQuaternion( q ) {\n\n\t\tthis.quaternion.premultiply( q );\n\n\t\treturn this;\n\n\t}\n\n\tsetRotationFromAxisAngle( axis, angle ) {\n\n\t\t// assumes axis is normalized\n\n\t\tthis.quaternion.setFromAxisAngle( axis, angle );\n\n\t}\n\n\tsetRotationFromEuler( euler ) {\n\n\t\tthis.quaternion.setFromEuler( euler, true );\n\n\t}\n\n\tsetRotationFromMatrix( m ) {\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tthis.quaternion.setFromRotationMatrix( m );\n\n\t}\n\n\tsetRotationFromQuaternion( q ) {\n\n\t\t// assumes q is normalized\n\n\t\tthis.quaternion.copy( q );\n\n\t}\n\n\trotateOnAxis( axis, angle ) {\n\n\t\t// rotate object on axis in object space\n\t\t// axis is assumed to be normalized\n\n\t\t_q1.setFromAxisAngle( axis, angle );\n\n\t\tthis.quaternion.multiply( _q1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateOnWorldAxis( axis, angle ) {\n\n\t\t// rotate object on axis in world space\n\t\t// axis is assumed to be normalized\n\t\t// method assumes no rotated parent\n\n\t\t_q1.setFromAxisAngle( axis, angle );\n\n\t\tthis.quaternion.premultiply( _q1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateX( angle ) {\n\n\t\treturn this.rotateOnAxis( _xAxis, angle );\n\n\t}\n\n\trotateY( angle ) {\n\n\t\treturn this.rotateOnAxis( _yAxis, angle );\n\n\t}\n\n\trotateZ( angle ) {\n\n\t\treturn this.rotateOnAxis( _zAxis, angle );\n\n\t}\n\n\ttranslateOnAxis( axis, distance ) {\n\n\t\t// translate object by distance along axis in object space\n\t\t// axis is assumed to be normalized\n\n\t\t_v1$4.copy( axis ).applyQuaternion( this.quaternion );\n\n\t\tthis.position.add( _v1$4.multiplyScalar( distance ) );\n\n\t\treturn this;\n\n\t}\n\n\ttranslateX( distance ) {\n\n\t\treturn this.translateOnAxis( _xAxis, distance );\n\n\t}\n\n\ttranslateY( distance ) {\n\n\t\treturn this.translateOnAxis( _yAxis, distance );\n\n\t}\n\n\ttranslateZ( distance ) {\n\n\t\treturn this.translateOnAxis( _zAxis, distance );\n\n\t}\n\n\tlocalToWorld( vector ) {\n\n\t\treturn vector.applyMatrix4( this.matrixWorld );\n\n\t}\n\n\tworldToLocal( vector ) {\n\n\t\treturn vector.applyMatrix4( _m1$1.copy( this.matrixWorld ).invert() );\n\n\t}\n\n\tlookAt( x, y, z ) {\n\n\t\t// This method does not support objects having non-uniformly-scaled parent(s)\n\n\t\tif ( x.isVector3 ) {\n\n\t\t\t_target.copy( x );\n\n\t\t} else {\n\n\t\t\t_target.set( x, y, z );\n\n\t\t}\n\n\t\tconst parent = this.parent;\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\t_position$3.setFromMatrixPosition( this.matrixWorld );\n\n\t\tif ( this.isCamera || this.isLight ) {\n\n\t\t\t_m1$1.lookAt( _position$3, _target, this.up );\n\n\t\t} else {\n\n\t\t\t_m1$1.lookAt( _target, _position$3, this.up );\n\n\t\t}\n\n\t\tthis.quaternion.setFromRotationMatrix( _m1$1 );\n\n\t\tif ( parent ) {\n\n\t\t\t_m1$1.extractRotation( parent.matrixWorld );\n\t\t\t_q1.setFromRotationMatrix( _m1$1 );\n\t\t\tthis.quaternion.premultiply( _q1.invert() );\n\n\t\t}\n\n\t}\n\n\tadd( object ) {\n\n\t\tif ( arguments.length > 1 ) {\n\n\t\t\tfor ( let i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\tthis.add( arguments[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( object === this ) {\n\n\t\t\tconsole.error( 'THREE.Object3D.add: object can\\'t be added as a child of itself.', object );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( object && object.isObject3D ) {\n\n\t\t\tif ( object.parent !== null ) {\n\n\t\t\t\tobject.parent.remove( object );\n\n\t\t\t}\n\n\t\t\tobject.parent = this;\n\t\t\tthis.children.push( object );\n\n\t\t\tobject.dispatchEvent( _addedEvent );\n\n\t\t} else {\n\n\t\t\tconsole.error( 'THREE.Object3D.add: object not an instance of THREE.Object3D.', object );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tremove( object ) {\n\n\t\tif ( arguments.length > 1 ) {\n\n\t\t\tfor ( let i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\tthis.remove( arguments[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst index = this.children.indexOf( object );\n\n\t\tif ( index !== - 1 ) {\n\n\t\t\tobject.parent = null;\n\t\t\tthis.children.splice( index, 1 );\n\n\t\t\tobject.dispatchEvent( _removedEvent );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tremoveFromParent() {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( parent !== null ) {\n\n\t\t\tparent.remove( this );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclear() {\n\n\t\tfor ( let i = 0; i < this.children.length; i ++ ) {\n\n\t\t\tconst object = this.children[ i ];\n\n\t\t\tobject.parent = null;\n\n\t\t\tobject.dispatchEvent( _removedEvent );\n\n\t\t}\n\n\t\tthis.children.length = 0;\n\n\t\treturn this;\n\n\n\t}\n\n\tattach( object ) {\n\n\t\t// adds object as a child of this, while maintaining the object's world transform\n\n\t\t// Note: This method does not support scene graphs having non-uniformly-scaled nodes(s)\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\t_m1$1.copy( this.matrixWorld ).invert();\n\n\t\tif ( object.parent !== null ) {\n\n\t\t\tobject.parent.updateWorldMatrix( true, false );\n\n\t\t\t_m1$1.multiply( object.parent.matrixWorld );\n\n\t\t}\n\n\t\tobject.applyMatrix4( _m1$1 );\n\n\t\tthis.add( object );\n\n\t\tobject.updateWorldMatrix( false, true );\n\n\t\treturn this;\n\n\t}\n\n\tgetObjectById( id ) {\n\n\t\treturn this.getObjectByProperty( 'id', id );\n\n\t}\n\n\tgetObjectByName( name ) {\n\n\t\treturn this.getObjectByProperty( 'name', name );\n\n\t}\n\n\tgetObjectByProperty( name, value ) {\n\n\t\tif ( this[ name ] === value ) return this;\n\n\t\tfor ( let i = 0, l = this.children.length; i < l; i ++ ) {\n\n\t\t\tconst child = this.children[ i ];\n\t\t\tconst object = child.getObjectByProperty( name, value );\n\n\t\t\tif ( object !== undefined ) {\n\n\t\t\t\treturn object;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn undefined;\n\n\t}\n\n\tgetWorldPosition( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\treturn target.setFromMatrixPosition( this.matrixWorld );\n\n\t}\n\n\tgetWorldQuaternion( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tthis.matrixWorld.decompose( _position$3, target, _scale$2 );\n\n\t\treturn target;\n\n\t}\n\n\tgetWorldScale( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tthis.matrixWorld.decompose( _position$3, _quaternion$2, target );\n\n\t\treturn target;\n\n\t}\n\n\tgetWorldDirection( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tconst e = this.matrixWorld.elements;\n\n\t\treturn target.set( e[ 8 ], e[ 9 ], e[ 10 ] ).normalize();\n\n\t}\n\n\traycast() {}\n\n\ttraverse( callback ) {\n\n\t\tcallback( this );\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].traverse( callback );\n\n\t\t}\n\n\t}\n\n\ttraverseVisible( callback ) {\n\n\t\tif ( this.visible === false ) return;\n\n\t\tcallback( this );\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].traverseVisible( callback );\n\n\t\t}\n\n\t}\n\n\ttraverseAncestors( callback ) {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( parent !== null ) {\n\n\t\t\tcallback( parent );\n\n\t\t\tparent.traverseAncestors( callback );\n\n\t\t}\n\n\t}\n\n\tupdateMatrix() {\n\n\t\tthis.matrix.compose( this.position, this.quaternion, this.scale );\n\n\t\tthis.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tif ( this.matrixWorldNeedsUpdate || force ) {\n\n\t\t\tif ( this.parent === null ) {\n\n\t\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t\t} else {\n\n\t\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t\t}\n\n\t\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\t\tforce = true;\n\n\t\t}\n\n\t\t// update children\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].updateMatrixWorld( force );\n\n\t\t}\n\n\t}\n\n\tupdateWorldMatrix( updateParents, updateChildren ) {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( updateParents === true && parent !== null ) {\n\n\t\t\tparent.updateWorldMatrix( true, false );\n\n\t\t}\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tif ( this.parent === null ) {\n\n\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t} else {\n\n\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t}\n\n\t\t// update children\n\n\t\tif ( updateChildren === true ) {\n\n\t\t\tconst children = this.children;\n\n\t\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].updateWorldMatrix( false, true );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\t// meta is a string when called from JSON.stringify\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tconst output = {};\n\n\t\t// meta is a hash used to collect geometries, materials.\n\t\t// not providing it implies that this is the root object\n\t\t// being serialized.\n\t\tif ( isRootObject ) {\n\n\t\t\t// initialize meta obj\n\t\t\tmeta = {\n\t\t\t\tgeometries: {},\n\t\t\t\tmaterials: {},\n\t\t\t\ttextures: {},\n\t\t\t\timages: {},\n\t\t\t\tshapes: {},\n\t\t\t\tskeletons: {},\n\t\t\t\tanimations: {}\n\t\t\t};\n\n\t\t\toutput.metadata = {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Object',\n\t\t\t\tgenerator: 'Object3D.toJSON'\n\t\t\t};\n\n\t\t}\n\n\t\t// standard Object3D serialization\n\n\t\tconst object = {};\n\n\t\tobject.uuid = this.uuid;\n\t\tobject.type = this.type;\n\n\t\tif ( this.name !== '' ) object.name = this.name;\n\t\tif ( this.castShadow === true ) object.castShadow = true;\n\t\tif ( this.receiveShadow === true ) object.receiveShadow = true;\n\t\tif ( this.visible === false ) object.visible = false;\n\t\tif ( this.frustumCulled === false ) object.frustumCulled = false;\n\t\tif ( this.renderOrder !== 0 ) object.renderOrder = this.renderOrder;\n\t\tif ( JSON.stringify( this.userData ) !== '{}' ) object.userData = this.userData;\n\n\t\tobject.layers = this.layers.mask;\n\t\tobject.matrix = this.matrix.toArray();\n\n\t\tif ( this.matrixAutoUpdate === false ) object.matrixAutoUpdate = false;\n\n\t\t// object specific properties\n\n\t\tif ( this.isInstancedMesh ) {\n\n\t\t\tobject.type = 'InstancedMesh';\n\t\t\tobject.count = this.count;\n\t\t\tobject.instanceMatrix = this.instanceMatrix.toJSON();\n\t\t\tif ( this.instanceColor !== null ) object.instanceColor = this.instanceColor.toJSON();\n\n\t\t}\n\n\t\t//\n\n\t\tfunction serialize( library, element ) {\n\n\t\t\tif ( library[ element.uuid ] === undefined ) {\n\n\t\t\t\tlibrary[ element.uuid ] = element.toJSON( meta );\n\n\t\t\t}\n\n\t\t\treturn element.uuid;\n\n\t\t}\n\n\t\tif ( this.isScene ) {\n\n\t\t\tif ( this.background ) {\n\n\t\t\t\tif ( this.background.isColor ) {\n\n\t\t\t\t\tobject.background = this.background.toJSON();\n\n\t\t\t\t} else if ( this.background.isTexture ) {\n\n\t\t\t\t\tobject.background = this.background.toJSON( meta ).uuid;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.environment && this.environment.isTexture ) {\n\n\t\t\t\tobject.environment = this.environment.toJSON( meta ).uuid;\n\n\t\t\t}\n\n\t\t} else if ( this.isMesh || this.isLine || this.isPoints ) {\n\n\t\t\tobject.geometry = serialize( meta.geometries, this.geometry );\n\n\t\t\tconst parameters = this.geometry.parameters;\n\n\t\t\tif ( parameters !== undefined && parameters.shapes !== undefined ) {\n\n\t\t\t\tconst shapes = parameters.shapes;\n\n\t\t\t\tif ( Array.isArray( shapes ) ) {\n\n\t\t\t\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tconst shape = shapes[ i ];\n\n\t\t\t\t\t\tserialize( meta.shapes, shape );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tserialize( meta.shapes, shapes );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.isSkinnedMesh ) {\n\n\t\t\tobject.bindMode = this.bindMode;\n\t\t\tobject.bindMatrix = this.bindMatrix.toArray();\n\n\t\t\tif ( this.skeleton !== undefined ) {\n\n\t\t\t\tserialize( meta.skeletons, this.skeleton );\n\n\t\t\t\tobject.skeleton = this.skeleton.uuid;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.material !== undefined ) {\n\n\t\t\tif ( Array.isArray( this.material ) ) {\n\n\t\t\t\tconst uuids = [];\n\n\t\t\t\tfor ( let i = 0, l = this.material.length; i < l; i ++ ) {\n\n\t\t\t\t\tuuids.push( serialize( meta.materials, this.material[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tobject.material = uuids;\n\n\t\t\t} else {\n\n\t\t\t\tobject.material = serialize( meta.materials, this.material );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.children.length > 0 ) {\n\n\t\t\tobject.children = [];\n\n\t\t\tfor ( let i = 0; i < this.children.length; i ++ ) {\n\n\t\t\t\tobject.children.push( this.children[ i ].toJSON( meta ).object );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.animations.length > 0 ) {\n\n\t\t\tobject.animations = [];\n\n\t\t\tfor ( let i = 0; i < this.animations.length; i ++ ) {\n\n\t\t\t\tconst animation = this.animations[ i ];\n\n\t\t\t\tobject.animations.push( serialize( meta.animations, animation ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( isRootObject ) {\n\n\t\t\tconst geometries = extractFromCache( meta.geometries );\n\t\t\tconst materials = extractFromCache( meta.materials );\n\t\t\tconst textures = extractFromCache( meta.textures );\n\t\t\tconst images = extractFromCache( meta.images );\n\t\t\tconst shapes = extractFromCache( meta.shapes );\n\t\t\tconst skeletons = extractFromCache( meta.skeletons );\n\t\t\tconst animations = extractFromCache( meta.animations );\n\n\t\t\tif ( geometries.length > 0 ) output.geometries = geometries;\n\t\t\tif ( materials.length > 0 ) output.materials = materials;\n\t\t\tif ( textures.length > 0 ) output.textures = textures;\n\t\t\tif ( images.length > 0 ) output.images = images;\n\t\t\tif ( shapes.length > 0 ) output.shapes = shapes;\n\t\t\tif ( skeletons.length > 0 ) output.skeletons = skeletons;\n\t\t\tif ( animations.length > 0 ) output.animations = animations;\n\n\t\t}\n\n\t\toutput.object = object;\n\n\t\treturn output;\n\n\t\t// extract data from the cache hash\n\t\t// remove metadata on each item\n\t\t// and return as array\n\t\tfunction extractFromCache( cache ) {\n\n\t\t\tconst values = [];\n\t\t\tfor ( const key in cache ) {\n\n\t\t\t\tconst data = cache[ key ];\n\t\t\t\tdelete data.metadata;\n\t\t\t\tvalues.push( data );\n\n\t\t\t}\n\n\t\t\treturn values;\n\n\t\t}\n\n\t}\n\n\tclone( recursive ) {\n\n\t\treturn new this.constructor().copy( this, recursive );\n\n\t}\n\n\tcopy( source, recursive = true ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.up.copy( source.up );\n\n\t\tthis.position.copy( source.position );\n\t\tthis.rotation.order = source.rotation.order;\n\t\tthis.quaternion.copy( source.quaternion );\n\t\tthis.scale.copy( source.scale );\n\n\t\tthis.matrix.copy( source.matrix );\n\t\tthis.matrixWorld.copy( source.matrixWorld );\n\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\t\tthis.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate;\n\n\t\tthis.layers.mask = source.layers.mask;\n\t\tthis.visible = source.visible;\n\n\t\tthis.castShadow = source.castShadow;\n\t\tthis.receiveShadow = source.receiveShadow;\n\n\t\tthis.frustumCulled = source.frustumCulled;\n\t\tthis.renderOrder = source.renderOrder;\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\tif ( recursive === true ) {\n\n\t\t\tfor ( let i = 0; i < source.children.length; i ++ ) {\n\n\t\t\t\tconst child = source.children[ i ];\n\t\t\t\tthis.add( child.clone() );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nObject3D.DefaultUp = new Vector3( 0, 1, 0 );\nObject3D.DefaultMatrixAutoUpdate = true;\n\nObject3D.prototype.isObject3D = true;\n\nconst _v0$1 = /*@__PURE__*/ new Vector3();\nconst _v1$3 = /*@__PURE__*/ new Vector3();\nconst _v2$2 = /*@__PURE__*/ new Vector3();\nconst _v3$1 = /*@__PURE__*/ new Vector3();\n\nconst _vab = /*@__PURE__*/ new Vector3();\nconst _vac = /*@__PURE__*/ new Vector3();\nconst _vbc = /*@__PURE__*/ new Vector3();\nconst _vap = /*@__PURE__*/ new Vector3();\nconst _vbp = /*@__PURE__*/ new Vector3();\nconst _vcp = /*@__PURE__*/ new Vector3();\n\nclass Triangle {\n\n\tconstructor( a = new Vector3(), b = new Vector3(), c = new Vector3() ) {\n\n\t\tthis.a = a;\n\t\tthis.b = b;\n\t\tthis.c = c;\n\n\t}\n\n\tstatic getNormal( a, b, c, target ) {\n\n\t\ttarget.subVectors( c, b );\n\t\t_v0$1.subVectors( a, b );\n\t\ttarget.cross( _v0$1 );\n\n\t\tconst targetLengthSq = target.lengthSq();\n\t\tif ( targetLengthSq > 0 ) {\n\n\t\t\treturn target.multiplyScalar( 1 / Math.sqrt( targetLengthSq ) );\n\n\t\t}\n\n\t\treturn target.set( 0, 0, 0 );\n\n\t}\n\n\t// static/instance method to calculate barycentric coordinates\n\t// based on: http://www.blackpawn.com/texts/pointinpoly/default.html\n\tstatic getBarycoord( point, a, b, c, target ) {\n\n\t\t_v0$1.subVectors( c, a );\n\t\t_v1$3.subVectors( b, a );\n\t\t_v2$2.subVectors( point, a );\n\n\t\tconst dot00 = _v0$1.dot( _v0$1 );\n\t\tconst dot01 = _v0$1.dot( _v1$3 );\n\t\tconst dot02 = _v0$1.dot( _v2$2 );\n\t\tconst dot11 = _v1$3.dot( _v1$3 );\n\t\tconst dot12 = _v1$3.dot( _v2$2 );\n\n\t\tconst denom = ( dot00 * dot11 - dot01 * dot01 );\n\n\t\t// collinear or singular triangle\n\t\tif ( denom === 0 ) {\n\n\t\t\t// arbitrary location outside of triangle?\n\t\t\t// not sure if this is the best idea, maybe should be returning undefined\n\t\t\treturn target.set( - 2, - 1, - 1 );\n\n\t\t}\n\n\t\tconst invDenom = 1 / denom;\n\t\tconst u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom;\n\t\tconst v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom;\n\n\t\t// barycentric coordinates must always sum to 1\n\t\treturn target.set( 1 - u - v, v, u );\n\n\t}\n\n\tstatic containsPoint( point, a, b, c ) {\n\n\t\tthis.getBarycoord( point, a, b, c, _v3$1 );\n\n\t\treturn ( _v3$1.x >= 0 ) && ( _v3$1.y >= 0 ) && ( ( _v3$1.x + _v3$1.y ) <= 1 );\n\n\t}\n\n\tstatic getUV( point, p1, p2, p3, uv1, uv2, uv3, target ) {\n\n\t\tthis.getBarycoord( point, p1, p2, p3, _v3$1 );\n\n\t\ttarget.set( 0, 0 );\n\t\ttarget.addScaledVector( uv1, _v3$1.x );\n\t\ttarget.addScaledVector( uv2, _v3$1.y );\n\t\ttarget.addScaledVector( uv3, _v3$1.z );\n\n\t\treturn target;\n\n\t}\n\n\tstatic isFrontFacing( a, b, c, direction ) {\n\n\t\t_v0$1.subVectors( c, b );\n\t\t_v1$3.subVectors( a, b );\n\n\t\t// strictly front facing\n\t\treturn ( _v0$1.cross( _v1$3 ).dot( direction ) < 0 ) ? true : false;\n\n\t}\n\n\tset( a, b, c ) {\n\n\t\tthis.a.copy( a );\n\t\tthis.b.copy( b );\n\t\tthis.c.copy( c );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPointsAndIndices( points, i0, i1, i2 ) {\n\n\t\tthis.a.copy( points[ i0 ] );\n\t\tthis.b.copy( points[ i1 ] );\n\t\tthis.c.copy( points[ i2 ] );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromAttributeAndIndices( attribute, i0, i1, i2 ) {\n\n\t\tthis.a.fromBufferAttribute( attribute, i0 );\n\t\tthis.b.fromBufferAttribute( attribute, i1 );\n\t\tthis.c.fromBufferAttribute( attribute, i2 );\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( triangle ) {\n\n\t\tthis.a.copy( triangle.a );\n\t\tthis.b.copy( triangle.b );\n\t\tthis.c.copy( triangle.c );\n\n\t\treturn this;\n\n\t}\n\n\tgetArea() {\n\n\t\t_v0$1.subVectors( this.c, this.b );\n\t\t_v1$3.subVectors( this.a, this.b );\n\n\t\treturn _v0$1.cross( _v1$3 ).length() * 0.5;\n\n\t}\n\n\tgetMidpoint( target ) {\n\n\t\treturn target.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 );\n\n\t}\n\n\tgetNormal( target ) {\n\n\t\treturn Triangle.getNormal( this.a, this.b, this.c, target );\n\n\t}\n\n\tgetPlane( target ) {\n\n\t\treturn target.setFromCoplanarPoints( this.a, this.b, this.c );\n\n\t}\n\n\tgetBarycoord( point, target ) {\n\n\t\treturn Triangle.getBarycoord( point, this.a, this.b, this.c, target );\n\n\t}\n\n\tgetUV( point, uv1, uv2, uv3, target ) {\n\n\t\treturn Triangle.getUV( point, this.a, this.b, this.c, uv1, uv2, uv3, target );\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn Triangle.containsPoint( point, this.a, this.b, this.c );\n\n\t}\n\n\tisFrontFacing( direction ) {\n\n\t\treturn Triangle.isFrontFacing( this.a, this.b, this.c, direction );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsTriangle( this );\n\n\t}\n\n\tclosestPointToPoint( p, target ) {\n\n\t\tconst a = this.a, b = this.b, c = this.c;\n\t\tlet v, w;\n\n\t\t// algorithm thanks to Real-Time Collision Detection by Christer Ericson,\n\t\t// published by Morgan Kaufmann Publishers, (c) 2005 Elsevier Inc.,\n\t\t// under the accompanying license; see chapter 5.1.5 for detailed explanation.\n\t\t// basically, we're distinguishing which of the voronoi regions of the triangle\n\t\t// the point lies in with the minimum amount of redundant computation.\n\n\t\t_vab.subVectors( b, a );\n\t\t_vac.subVectors( c, a );\n\t\t_vap.subVectors( p, a );\n\t\tconst d1 = _vab.dot( _vap );\n\t\tconst d2 = _vac.dot( _vap );\n\t\tif ( d1 <= 0 && d2 <= 0 ) {\n\n\t\t\t// vertex region of A; barycentric coords (1, 0, 0)\n\t\t\treturn target.copy( a );\n\n\t\t}\n\n\t\t_vbp.subVectors( p, b );\n\t\tconst d3 = _vab.dot( _vbp );\n\t\tconst d4 = _vac.dot( _vbp );\n\t\tif ( d3 >= 0 && d4 <= d3 ) {\n\n\t\t\t// vertex region of B; barycentric coords (0, 1, 0)\n\t\t\treturn target.copy( b );\n\n\t\t}\n\n\t\tconst vc = d1 * d4 - d3 * d2;\n\t\tif ( vc <= 0 && d1 >= 0 && d3 <= 0 ) {\n\n\t\t\tv = d1 / ( d1 - d3 );\n\t\t\t// edge region of AB; barycentric coords (1-v, v, 0)\n\t\t\treturn target.copy( a ).addScaledVector( _vab, v );\n\n\t\t}\n\n\t\t_vcp.subVectors( p, c );\n\t\tconst d5 = _vab.dot( _vcp );\n\t\tconst d6 = _vac.dot( _vcp );\n\t\tif ( d6 >= 0 && d5 <= d6 ) {\n\n\t\t\t// vertex region of C; barycentric coords (0, 0, 1)\n\t\t\treturn target.copy( c );\n\n\t\t}\n\n\t\tconst vb = d5 * d2 - d1 * d6;\n\t\tif ( vb <= 0 && d2 >= 0 && d6 <= 0 ) {\n\n\t\t\tw = d2 / ( d2 - d6 );\n\t\t\t// edge region of AC; barycentric coords (1-w, 0, w)\n\t\t\treturn target.copy( a ).addScaledVector( _vac, w );\n\n\t\t}\n\n\t\tconst va = d3 * d6 - d5 * d4;\n\t\tif ( va <= 0 && ( d4 - d3 ) >= 0 && ( d5 - d6 ) >= 0 ) {\n\n\t\t\t_vbc.subVectors( c, b );\n\t\t\tw = ( d4 - d3 ) / ( ( d4 - d3 ) + ( d5 - d6 ) );\n\t\t\t// edge region of BC; barycentric coords (0, 1-w, w)\n\t\t\treturn target.copy( b ).addScaledVector( _vbc, w ); // edge region of BC\n\n\t\t}\n\n\t\t// face region\n\t\tconst denom = 1 / ( va + vb + vc );\n\t\t// u = va * denom\n\t\tv = vb * denom;\n\t\tw = vc * denom;\n\n\t\treturn target.copy( a ).addScaledVector( _vab, v ).addScaledVector( _vac, w );\n\n\t}\n\n\tequals( triangle ) {\n\n\t\treturn triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c );\n\n\t}\n\n}\n\nlet materialId = 0;\n\nclass Material extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tObject.defineProperty( this, 'id', { value: materialId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Material';\n\n\t\tthis.fog = true;\n\n\t\tthis.blending = NormalBlending;\n\t\tthis.side = FrontSide;\n\t\tthis.vertexColors = false;\n\n\t\tthis.opacity = 1;\n\t\tthis.format = RGBAFormat;\n\t\tthis.transparent = false;\n\n\t\tthis.blendSrc = SrcAlphaFactor;\n\t\tthis.blendDst = OneMinusSrcAlphaFactor;\n\t\tthis.blendEquation = AddEquation;\n\t\tthis.blendSrcAlpha = null;\n\t\tthis.blendDstAlpha = null;\n\t\tthis.blendEquationAlpha = null;\n\n\t\tthis.depthFunc = LessEqualDepth;\n\t\tthis.depthTest = true;\n\t\tthis.depthWrite = true;\n\n\t\tthis.stencilWriteMask = 0xff;\n\t\tthis.stencilFunc = AlwaysStencilFunc;\n\t\tthis.stencilRef = 0;\n\t\tthis.stencilFuncMask = 0xff;\n\t\tthis.stencilFail = KeepStencilOp;\n\t\tthis.stencilZFail = KeepStencilOp;\n\t\tthis.stencilZPass = KeepStencilOp;\n\t\tthis.stencilWrite = false;\n\n\t\tthis.clippingPlanes = null;\n\t\tthis.clipIntersection = false;\n\t\tthis.clipShadows = false;\n\n\t\tthis.shadowSide = null;\n\n\t\tthis.colorWrite = true;\n\n\t\tthis.precision = null; // override the renderer's default precision for this material\n\n\t\tthis.polygonOffset = false;\n\t\tthis.polygonOffsetFactor = 0;\n\t\tthis.polygonOffsetUnits = 0;\n\n\t\tthis.dithering = false;\n\n\t\tthis.alphaToCoverage = false;\n\t\tthis.premultipliedAlpha = false;\n\n\t\tthis.visible = true;\n\n\t\tthis.toneMapped = true;\n\n\t\tthis.userData = {};\n\n\t\tthis.version = 0;\n\n\t\tthis._alphaTest = 0;\n\n\t}\n\n\tget alphaTest() {\n\n\t\treturn this._alphaTest;\n\n\t}\n\n\tset alphaTest( value ) {\n\n\t\tif ( this._alphaTest > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._alphaTest = value;\n\n\t}\n\n\tonBuild( /* shaderobject, renderer */ ) {}\n\n\tonBeforeRender( /* renderer, scene, camera, geometry, object, group */ ) {}\n\n\tonBeforeCompile( /* shaderobject, renderer */ ) {}\n\n\tcustomProgramCacheKey() {\n\n\t\treturn this.onBeforeCompile.toString();\n\n\t}\n\n\tsetValues( values ) {\n\n\t\tif ( values === undefined ) return;\n\n\t\tfor ( const key in values ) {\n\n\t\t\tconst newValue = values[ key ];\n\n\t\t\tif ( newValue === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Material: \\'' + key + '\\' parameter is undefined.' );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\t// for backward compatability if shading is set in the constructor\n\t\t\tif ( key === 'shading' ) {\n\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': .shading has been removed. Use the boolean .flatShading instead.' );\n\t\t\t\tthis.flatShading = ( newValue === FlatShading ) ? true : false;\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tconst currentValue = this[ key ];\n\n\t\t\tif ( currentValue === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.' + this.type + ': \\'' + key + '\\' is not a property of this material.' );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tif ( currentValue && currentValue.isColor ) {\n\n\t\t\t\tcurrentValue.set( newValue );\n\n\t\t\t} else if ( ( currentValue && currentValue.isVector3 ) && ( newValue && newValue.isVector3 ) ) {\n\n\t\t\t\tcurrentValue.copy( newValue );\n\n\t\t\t} else {\n\n\t\t\t\tthis[ key ] = newValue;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst isRoot = ( meta === undefined || typeof meta === 'string' );\n\n\t\tif ( isRoot ) {\n\n\t\t\tmeta = {\n\t\t\t\ttextures: {},\n\t\t\t\timages: {}\n\t\t\t};\n\n\t\t}\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Material',\n\t\t\t\tgenerator: 'Material.toJSON'\n\t\t\t}\n\t\t};\n\n\t\t// standard Material serialization\n\t\tdata.uuid = this.uuid;\n\t\tdata.type = this.type;\n\n\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\tif ( this.color && this.color.isColor ) data.color = this.color.getHex();\n\n\t\tif ( this.roughness !== undefined ) data.roughness = this.roughness;\n\t\tif ( this.metalness !== undefined ) data.metalness = this.metalness;\n\n\t\tif ( this.sheen !== undefined ) data.sheen = this.sheen;\n\t\tif ( this.sheenColor && this.sheenColor.isColor ) data.sheenColor = this.sheenColor.getHex();\n\t\tif ( this.sheenRoughness !== undefined ) data.sheenRoughness = this.sheenRoughness;\n\t\tif ( this.emissive && this.emissive.isColor ) data.emissive = this.emissive.getHex();\n\t\tif ( this.emissiveIntensity && this.emissiveIntensity !== 1 ) data.emissiveIntensity = this.emissiveIntensity;\n\n\t\tif ( this.specular && this.specular.isColor ) data.specular = this.specular.getHex();\n\t\tif ( this.specularIntensity !== undefined ) data.specularIntensity = this.specularIntensity;\n\t\tif ( this.specularColor && this.specularColor.isColor ) data.specularColor = this.specularColor.getHex();\n\t\tif ( this.shininess !== undefined ) data.shininess = this.shininess;\n\t\tif ( this.clearcoat !== undefined ) data.clearcoat = this.clearcoat;\n\t\tif ( this.clearcoatRoughness !== undefined ) data.clearcoatRoughness = this.clearcoatRoughness;\n\n\t\tif ( this.clearcoatMap && this.clearcoatMap.isTexture ) {\n\n\t\t\tdata.clearcoatMap = this.clearcoatMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.clearcoatRoughnessMap && this.clearcoatRoughnessMap.isTexture ) {\n\n\t\t\tdata.clearcoatRoughnessMap = this.clearcoatRoughnessMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.clearcoatNormalMap && this.clearcoatNormalMap.isTexture ) {\n\n\t\t\tdata.clearcoatNormalMap = this.clearcoatNormalMap.toJSON( meta ).uuid;\n\t\t\tdata.clearcoatNormalScale = this.clearcoatNormalScale.toArray();\n\n\t\t}\n\n\t\tif ( this.map && this.map.isTexture ) data.map = this.map.toJSON( meta ).uuid;\n\t\tif ( this.matcap && this.matcap.isTexture ) data.matcap = this.matcap.toJSON( meta ).uuid;\n\t\tif ( this.alphaMap && this.alphaMap.isTexture ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid;\n\n\t\tif ( this.lightMap && this.lightMap.isTexture ) {\n\n\t\t\tdata.lightMap = this.lightMap.toJSON( meta ).uuid;\n\t\t\tdata.lightMapIntensity = this.lightMapIntensity;\n\n\t\t}\n\n\t\tif ( this.aoMap && this.aoMap.isTexture ) {\n\n\t\t\tdata.aoMap = this.aoMap.toJSON( meta ).uuid;\n\t\t\tdata.aoMapIntensity = this.aoMapIntensity;\n\n\t\t}\n\n\t\tif ( this.bumpMap && this.bumpMap.isTexture ) {\n\n\t\t\tdata.bumpMap = this.bumpMap.toJSON( meta ).uuid;\n\t\t\tdata.bumpScale = this.bumpScale;\n\n\t\t}\n\n\t\tif ( this.normalMap && this.normalMap.isTexture ) {\n\n\t\t\tdata.normalMap = this.normalMap.toJSON( meta ).uuid;\n\t\t\tdata.normalMapType = this.normalMapType;\n\t\t\tdata.normalScale = this.normalScale.toArray();\n\n\t\t}\n\n\t\tif ( this.displacementMap && this.displacementMap.isTexture ) {\n\n\t\t\tdata.displacementMap = this.displacementMap.toJSON( meta ).uuid;\n\t\t\tdata.displacementScale = this.displacementScale;\n\t\t\tdata.displacementBias = this.displacementBias;\n\n\t\t}\n\n\t\tif ( this.roughnessMap && this.roughnessMap.isTexture ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid;\n\t\tif ( this.metalnessMap && this.metalnessMap.isTexture ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid;\n\n\t\tif ( this.emissiveMap && this.emissiveMap.isTexture ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid;\n\t\tif ( this.specularMap && this.specularMap.isTexture ) data.specularMap = this.specularMap.toJSON( meta ).uuid;\n\t\tif ( this.specularIntensityMap && this.specularIntensityMap.isTexture ) data.specularIntensityMap = this.specularIntensityMap.toJSON( meta ).uuid;\n\t\tif ( this.specularColorMap && this.specularColorMap.isTexture ) data.specularColorMap = this.specularColorMap.toJSON( meta ).uuid;\n\n\t\tif ( this.envMap && this.envMap.isTexture ) {\n\n\t\t\tdata.envMap = this.envMap.toJSON( meta ).uuid;\n\n\t\t\tif ( this.combine !== undefined ) data.combine = this.combine;\n\n\t\t}\n\n\t\tif ( this.envMapIntensity !== undefined ) data.envMapIntensity = this.envMapIntensity;\n\t\tif ( this.reflectivity !== undefined ) data.reflectivity = this.reflectivity;\n\t\tif ( this.refractionRatio !== undefined ) data.refractionRatio = this.refractionRatio;\n\n\t\tif ( this.gradientMap && this.gradientMap.isTexture ) {\n\n\t\t\tdata.gradientMap = this.gradientMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.transmission !== undefined ) data.transmission = this.transmission;\n\t\tif ( this.transmissionMap && this.transmissionMap.isTexture ) data.transmissionMap = this.transmissionMap.toJSON( meta ).uuid;\n\t\tif ( this.thickness !== undefined ) data.thickness = this.thickness;\n\t\tif ( this.thicknessMap && this.thicknessMap.isTexture ) data.thicknessMap = this.thicknessMap.toJSON( meta ).uuid;\n\t\tif ( this.attenuationDistance !== undefined ) data.attenuationDistance = this.attenuationDistance;\n\t\tif ( this.attenuationColor !== undefined ) data.attenuationColor = this.attenuationColor.getHex();\n\n\t\tif ( this.size !== undefined ) data.size = this.size;\n\t\tif ( this.shadowSide !== null ) data.shadowSide = this.shadowSide;\n\t\tif ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation;\n\n\t\tif ( this.blending !== NormalBlending ) data.blending = this.blending;\n\t\tif ( this.side !== FrontSide ) data.side = this.side;\n\t\tif ( this.vertexColors ) data.vertexColors = true;\n\n\t\tif ( this.opacity < 1 ) data.opacity = this.opacity;\n\t\tif ( this.format !== RGBAFormat ) data.format = this.format;\n\t\tif ( this.transparent === true ) data.transparent = this.transparent;\n\n\t\tdata.depthFunc = this.depthFunc;\n\t\tdata.depthTest = this.depthTest;\n\t\tdata.depthWrite = this.depthWrite;\n\t\tdata.colorWrite = this.colorWrite;\n\n\t\tdata.stencilWrite = this.stencilWrite;\n\t\tdata.stencilWriteMask = this.stencilWriteMask;\n\t\tdata.stencilFunc = this.stencilFunc;\n\t\tdata.stencilRef = this.stencilRef;\n\t\tdata.stencilFuncMask = this.stencilFuncMask;\n\t\tdata.stencilFail = this.stencilFail;\n\t\tdata.stencilZFail = this.stencilZFail;\n\t\tdata.stencilZPass = this.stencilZPass;\n\n\t\t// rotation (SpriteMaterial)\n\t\tif ( this.rotation && this.rotation !== 0 ) data.rotation = this.rotation;\n\n\t\tif ( this.polygonOffset === true ) data.polygonOffset = true;\n\t\tif ( this.polygonOffsetFactor !== 0 ) data.polygonOffsetFactor = this.polygonOffsetFactor;\n\t\tif ( this.polygonOffsetUnits !== 0 ) data.polygonOffsetUnits = this.polygonOffsetUnits;\n\n\t\tif ( this.linewidth && this.linewidth !== 1 ) data.linewidth = this.linewidth;\n\t\tif ( this.dashSize !== undefined ) data.dashSize = this.dashSize;\n\t\tif ( this.gapSize !== undefined ) data.gapSize = this.gapSize;\n\t\tif ( this.scale !== undefined ) data.scale = this.scale;\n\n\t\tif ( this.dithering === true ) data.dithering = true;\n\n\t\tif ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest;\n\t\tif ( this.alphaToCoverage === true ) data.alphaToCoverage = this.alphaToCoverage;\n\t\tif ( this.premultipliedAlpha === true ) data.premultipliedAlpha = this.premultipliedAlpha;\n\n\t\tif ( this.wireframe === true ) data.wireframe = this.wireframe;\n\t\tif ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth;\n\t\tif ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap;\n\t\tif ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin;\n\n\t\tif ( this.flatShading === true ) data.flatShading = this.flatShading;\n\n\t\tif ( this.visible === false ) data.visible = false;\n\n\t\tif ( this.toneMapped === false ) data.toneMapped = false;\n\n\t\tif ( JSON.stringify( this.userData ) !== '{}' ) data.userData = this.userData;\n\n\t\t// TODO: Copied from Object3D.toJSON\n\n\t\tfunction extractFromCache( cache ) {\n\n\t\t\tconst values = [];\n\n\t\t\tfor ( const key in cache ) {\n\n\t\t\t\tconst data = cache[ key ];\n\t\t\t\tdelete data.metadata;\n\t\t\t\tvalues.push( data );\n\n\t\t\t}\n\n\t\t\treturn values;\n\n\t\t}\n\n\t\tif ( isRoot ) {\n\n\t\t\tconst textures = extractFromCache( meta.textures );\n\t\t\tconst images = extractFromCache( meta.images );\n\n\t\t\tif ( textures.length > 0 ) data.textures = textures;\n\t\t\tif ( images.length > 0 ) data.images = images;\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.fog = source.fog;\n\n\t\tthis.blending = source.blending;\n\t\tthis.side = source.side;\n\t\tthis.vertexColors = source.vertexColors;\n\n\t\tthis.opacity = source.opacity;\n\t\tthis.format = source.format;\n\t\tthis.transparent = source.transparent;\n\n\t\tthis.blendSrc = source.blendSrc;\n\t\tthis.blendDst = source.blendDst;\n\t\tthis.blendEquation = source.blendEquation;\n\t\tthis.blendSrcAlpha = source.blendSrcAlpha;\n\t\tthis.blendDstAlpha = source.blendDstAlpha;\n\t\tthis.blendEquationAlpha = source.blendEquationAlpha;\n\n\t\tthis.depthFunc = source.depthFunc;\n\t\tthis.depthTest = source.depthTest;\n\t\tthis.depthWrite = source.depthWrite;\n\n\t\tthis.stencilWriteMask = source.stencilWriteMask;\n\t\tthis.stencilFunc = source.stencilFunc;\n\t\tthis.stencilRef = source.stencilRef;\n\t\tthis.stencilFuncMask = source.stencilFuncMask;\n\t\tthis.stencilFail = source.stencilFail;\n\t\tthis.stencilZFail = source.stencilZFail;\n\t\tthis.stencilZPass = source.stencilZPass;\n\t\tthis.stencilWrite = source.stencilWrite;\n\n\t\tconst srcPlanes = source.clippingPlanes;\n\t\tlet dstPlanes = null;\n\n\t\tif ( srcPlanes !== null ) {\n\n\t\t\tconst n = srcPlanes.length;\n\t\t\tdstPlanes = new Array( n );\n\n\t\t\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\t\t\tdstPlanes[ i ] = srcPlanes[ i ].clone();\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.clippingPlanes = dstPlanes;\n\t\tthis.clipIntersection = source.clipIntersection;\n\t\tthis.clipShadows = source.clipShadows;\n\n\t\tthis.shadowSide = source.shadowSide;\n\n\t\tthis.colorWrite = source.colorWrite;\n\n\t\tthis.precision = source.precision;\n\n\t\tthis.polygonOffset = source.polygonOffset;\n\t\tthis.polygonOffsetFactor = source.polygonOffsetFactor;\n\t\tthis.polygonOffsetUnits = source.polygonOffsetUnits;\n\n\t\tthis.dithering = source.dithering;\n\n\t\tthis.alphaTest = source.alphaTest;\n\t\tthis.alphaToCoverage = source.alphaToCoverage;\n\t\tthis.premultipliedAlpha = source.premultipliedAlpha;\n\n\t\tthis.visible = source.visible;\n\n\t\tthis.toneMapped = source.toneMapped;\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n}\n\nMaterial.prototype.isMaterial = true;\n\nconst _colorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF,\n\t'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2,\n\t'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50,\n\t'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B,\n\t'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B,\n\t'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F,\n\t'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3,\n\t'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222,\n\t'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700,\n\t'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4,\n\t'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00,\n\t'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3,\n\t'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA,\n\t'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32,\n\t'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3,\n\t'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC,\n\t'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD,\n\t'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6,\n\t'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9,\n\t'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'rebeccapurple': 0x663399, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F,\n\t'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE,\n\t'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA,\n\t'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0,\n\t'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 };\n\nconst _hslA = { h: 0, s: 0, l: 0 };\nconst _hslB = { h: 0, s: 0, l: 0 };\n\nfunction hue2rgb( p, q, t ) {\n\n\tif ( t < 0 ) t += 1;\n\tif ( t > 1 ) t -= 1;\n\tif ( t < 1 / 6 ) return p + ( q - p ) * 6 * t;\n\tif ( t < 1 / 2 ) return q;\n\tif ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t );\n\treturn p;\n\n}\n\nfunction SRGBToLinear( c ) {\n\n\treturn ( c < 0.04045 ) ? c * 0.0773993808 : Math.pow( c * 0.9478672986 + 0.0521327014, 2.4 );\n\n}\n\nfunction LinearToSRGB( c ) {\n\n\treturn ( c < 0.0031308 ) ? c * 12.92 : 1.055 * ( Math.pow( c, 0.41666 ) ) - 0.055;\n\n}\n\nclass Color {\n\n\tconstructor( r, g, b ) {\n\n\t\tif ( g === undefined && b === undefined ) {\n\n\t\t\t// r is THREE.Color, hex or string\n\t\t\treturn this.set( r );\n\n\t\t}\n\n\t\treturn this.setRGB( r, g, b );\n\n\t}\n\n\tset( value ) {\n\n\t\tif ( value && value.isColor ) {\n\n\t\t\tthis.copy( value );\n\n\t\t} else if ( typeof value === 'number' ) {\n\n\t\t\tthis.setHex( value );\n\n\t\t} else if ( typeof value === 'string' ) {\n\n\t\t\tthis.setStyle( value );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.r = scalar;\n\t\tthis.g = scalar;\n\t\tthis.b = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetHex( hex ) {\n\n\t\thex = Math.floor( hex );\n\n\t\tthis.r = ( hex >> 16 & 255 ) / 255;\n\t\tthis.g = ( hex >> 8 & 255 ) / 255;\n\t\tthis.b = ( hex & 255 ) / 255;\n\n\t\treturn this;\n\n\t}\n\n\tsetRGB( r, g, b ) {\n\n\t\tthis.r = r;\n\t\tthis.g = g;\n\t\tthis.b = b;\n\n\t\treturn this;\n\n\t}\n\n\tsetHSL( h, s, l ) {\n\n\t\t// h,s,l ranges are in 0.0 - 1.0\n\t\th = euclideanModulo( h, 1 );\n\t\ts = clamp( s, 0, 1 );\n\t\tl = clamp( l, 0, 1 );\n\n\t\tif ( s === 0 ) {\n\n\t\t\tthis.r = this.g = this.b = l;\n\n\t\t} else {\n\n\t\t\tconst p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s );\n\t\t\tconst q = ( 2 * l ) - p;\n\n\t\t\tthis.r = hue2rgb( q, p, h + 1 / 3 );\n\t\t\tthis.g = hue2rgb( q, p, h );\n\t\t\tthis.b = hue2rgb( q, p, h - 1 / 3 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetStyle( style ) {\n\n\t\tfunction handleAlpha( string ) {\n\n\t\t\tif ( string === undefined ) return;\n\n\t\t\tif ( parseFloat( string ) < 1 ) {\n\n\t\t\t\tconsole.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' );\n\n\t\t\t}\n\n\t\t}\n\n\n\t\tlet m;\n\n\t\tif ( m = /^((?:rgb|hsl)a?)\\(([^\\)]*)\\)/.exec( style ) ) {\n\n\t\t\t// rgb / hsl\n\n\t\t\tlet color;\n\t\t\tconst name = m[ 1 ];\n\t\t\tconst components = m[ 2 ];\n\n\t\t\tswitch ( name ) {\n\n\t\t\t\tcase 'rgb':\n\t\t\t\tcase 'rgba':\n\n\t\t\t\t\tif ( color = /^\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// rgb(255,0,0) rgba(255,0,0,0.5)\n\t\t\t\t\t\tthis.r = Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255;\n\t\t\t\t\t\tthis.g = Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255;\n\t\t\t\t\t\tthis.b = Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255;\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( color = /^\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// rgb(100%,0%,0%) rgba(100%,0%,0%,0.5)\n\t\t\t\t\t\tthis.r = Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100;\n\t\t\t\t\t\tthis.g = Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100;\n\t\t\t\t\t\tthis.b = Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100;\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'hsl':\n\t\t\t\tcase 'hsla':\n\n\t\t\t\t\tif ( color = /^\\s*(\\d*\\.?\\d+)\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// hsl(120,50%,50%) hsla(120,50%,50%,0.5)\n\t\t\t\t\t\tconst h = parseFloat( color[ 1 ] ) / 360;\n\t\t\t\t\t\tconst s = parseInt( color[ 2 ], 10 ) / 100;\n\t\t\t\t\t\tconst l = parseInt( color[ 3 ], 10 ) / 100;\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this.setHSL( h, s, l );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t} else if ( m = /^\\#([A-Fa-f\\d]+)$/.exec( style ) ) {\n\n\t\t\t// hex color\n\n\t\t\tconst hex = m[ 1 ];\n\t\t\tconst size = hex.length;\n\n\t\t\tif ( size === 3 ) {\n\n\t\t\t\t// #ff0\n\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 0 ), 16 ) / 255;\n\t\t\t\tthis.g = parseInt( hex.charAt( 1 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\tthis.b = parseInt( hex.charAt( 2 ) + hex.charAt( 2 ), 16 ) / 255;\n\n\t\t\t\treturn this;\n\n\t\t\t} else if ( size === 6 ) {\n\n\t\t\t\t// #ff0000\n\t\t\t\tthis.r = parseInt( hex.charAt( 0 ) + hex.charAt( 1 ), 16 ) / 255;\n\t\t\t\tthis.g = parseInt( hex.charAt( 2 ) + hex.charAt( 3 ), 16 ) / 255;\n\t\t\t\tthis.b = parseInt( hex.charAt( 4 ) + hex.charAt( 5 ), 16 ) / 255;\n\n\t\t\t\treturn this;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( style && style.length > 0 ) {\n\n\t\t\treturn this.setColorName( style );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetColorName( style ) {\n\n\t\t// color keywords\n\t\tconst hex = _colorKeywords[ style.toLowerCase() ];\n\n\t\tif ( hex !== undefined ) {\n\n\t\t\t// red\n\t\t\tthis.setHex( hex );\n\n\t\t} else {\n\n\t\t\t// unknown color\n\t\t\tconsole.warn( 'THREE.Color: Unknown color ' + style );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.r, this.g, this.b );\n\n\t}\n\n\tcopy( color ) {\n\n\t\tthis.r = color.r;\n\t\tthis.g = color.g;\n\t\tthis.b = color.b;\n\n\t\treturn this;\n\n\t}\n\n\tcopyGammaToLinear( color, gammaFactor = 2.0 ) {\n\n\t\tthis.r = Math.pow( color.r, gammaFactor );\n\t\tthis.g = Math.pow( color.g, gammaFactor );\n\t\tthis.b = Math.pow( color.b, gammaFactor );\n\n\t\treturn this;\n\n\t}\n\n\tcopyLinearToGamma( color, gammaFactor = 2.0 ) {\n\n\t\tconst safeInverse = ( gammaFactor > 0 ) ? ( 1.0 / gammaFactor ) : 1.0;\n\n\t\tthis.r = Math.pow( color.r, safeInverse );\n\t\tthis.g = Math.pow( color.g, safeInverse );\n\t\tthis.b = Math.pow( color.b, safeInverse );\n\n\t\treturn this;\n\n\t}\n\n\tconvertGammaToLinear( gammaFactor ) {\n\n\t\tthis.copyGammaToLinear( this, gammaFactor );\n\n\t\treturn this;\n\n\t}\n\n\tconvertLinearToGamma( gammaFactor ) {\n\n\t\tthis.copyLinearToGamma( this, gammaFactor );\n\n\t\treturn this;\n\n\t}\n\n\tcopySRGBToLinear( color ) {\n\n\t\tthis.r = SRGBToLinear( color.r );\n\t\tthis.g = SRGBToLinear( color.g );\n\t\tthis.b = SRGBToLinear( color.b );\n\n\t\treturn this;\n\n\t}\n\n\tcopyLinearToSRGB( color ) {\n\n\t\tthis.r = LinearToSRGB( color.r );\n\t\tthis.g = LinearToSRGB( color.g );\n\t\tthis.b = LinearToSRGB( color.b );\n\n\t\treturn this;\n\n\t}\n\n\tconvertSRGBToLinear() {\n\n\t\tthis.copySRGBToLinear( this );\n\n\t\treturn this;\n\n\t}\n\n\tconvertLinearToSRGB() {\n\n\t\tthis.copyLinearToSRGB( this );\n\n\t\treturn this;\n\n\t}\n\n\tgetHex() {\n\n\t\treturn ( this.r * 255 ) << 16 ^ ( this.g * 255 ) << 8 ^ ( this.b * 255 ) << 0;\n\n\t}\n\n\tgetHexString() {\n\n\t\treturn ( '000000' + this.getHex().toString( 16 ) ).slice( - 6 );\n\n\t}\n\n\tgetHSL( target ) {\n\n\t\t// h,s,l ranges are in 0.0 - 1.0\n\n\t\tconst r = this.r, g = this.g, b = this.b;\n\n\t\tconst max = Math.max( r, g, b );\n\t\tconst min = Math.min( r, g, b );\n\n\t\tlet hue, saturation;\n\t\tconst lightness = ( min + max ) / 2.0;\n\n\t\tif ( min === max ) {\n\n\t\t\thue = 0;\n\t\t\tsaturation = 0;\n\n\t\t} else {\n\n\t\t\tconst delta = max - min;\n\n\t\t\tsaturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min );\n\n\t\t\tswitch ( max ) {\n\n\t\t\t\tcase r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break;\n\t\t\t\tcase g: hue = ( b - r ) / delta + 2; break;\n\t\t\t\tcase b: hue = ( r - g ) / delta + 4; break;\n\n\t\t\t}\n\n\t\t\thue /= 6;\n\n\t\t}\n\n\t\ttarget.h = hue;\n\t\ttarget.s = saturation;\n\t\ttarget.l = lightness;\n\n\t\treturn target;\n\n\t}\n\n\tgetStyle() {\n\n\t\treturn 'rgb(' + ( ( this.r * 255 ) | 0 ) + ',' + ( ( this.g * 255 ) | 0 ) + ',' + ( ( this.b * 255 ) | 0 ) + ')';\n\n\t}\n\n\toffsetHSL( h, s, l ) {\n\n\t\tthis.getHSL( _hslA );\n\n\t\t_hslA.h += h; _hslA.s += s; _hslA.l += l;\n\n\t\tthis.setHSL( _hslA.h, _hslA.s, _hslA.l );\n\n\t\treturn this;\n\n\t}\n\n\tadd( color ) {\n\n\t\tthis.r += color.r;\n\t\tthis.g += color.g;\n\t\tthis.b += color.b;\n\n\t\treturn this;\n\n\t}\n\n\taddColors( color1, color2 ) {\n\n\t\tthis.r = color1.r + color2.r;\n\t\tthis.g = color1.g + color2.g;\n\t\tthis.b = color1.b + color2.b;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.r += s;\n\t\tthis.g += s;\n\t\tthis.b += s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( color ) {\n\n\t\tthis.r = Math.max( 0, this.r - color.r );\n\t\tthis.g = Math.max( 0, this.g - color.g );\n\t\tthis.b = Math.max( 0, this.b - color.b );\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( color ) {\n\n\t\tthis.r *= color.r;\n\t\tthis.g *= color.g;\n\t\tthis.b *= color.b;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( s ) {\n\n\t\tthis.r *= s;\n\t\tthis.g *= s;\n\t\tthis.b *= s;\n\n\t\treturn this;\n\n\t}\n\n\tlerp( color, alpha ) {\n\n\t\tthis.r += ( color.r - this.r ) * alpha;\n\t\tthis.g += ( color.g - this.g ) * alpha;\n\t\tthis.b += ( color.b - this.b ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpColors( color1, color2, alpha ) {\n\n\t\tthis.r = color1.r + ( color2.r - color1.r ) * alpha;\n\t\tthis.g = color1.g + ( color2.g - color1.g ) * alpha;\n\t\tthis.b = color1.b + ( color2.b - color1.b ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpHSL( color, alpha ) {\n\n\t\tthis.getHSL( _hslA );\n\t\tcolor.getHSL( _hslB );\n\n\t\tconst h = lerp( _hslA.h, _hslB.h, alpha );\n\t\tconst s = lerp( _hslA.s, _hslB.s, alpha );\n\t\tconst l = lerp( _hslA.l, _hslB.l, alpha );\n\n\t\tthis.setHSL( h, s, l );\n\n\t\treturn this;\n\n\t}\n\n\tequals( c ) {\n\n\t\treturn ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.r = array[ offset ];\n\t\tthis.g = array[ offset + 1 ];\n\t\tthis.b = array[ offset + 2 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.r;\n\t\tarray[ offset + 1 ] = this.g;\n\t\tarray[ offset + 2 ] = this.b;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis.r = attribute.getX( index );\n\t\tthis.g = attribute.getY( index );\n\t\tthis.b = attribute.getZ( index );\n\n\t\tif ( attribute.normalized === true ) {\n\n\t\t\t// assuming Uint8Array\n\n\t\t\tthis.r /= 255;\n\t\t\tthis.g /= 255;\n\t\t\tthis.b /= 255;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\treturn this.getHex();\n\n\t}\n\n}\n\nColor.NAMES = _colorKeywords;\n\nColor.prototype.isColor = true;\nColor.prototype.r = 1;\nColor.prototype.g = 1;\nColor.prototype.b = 1;\n\n/**\n * parameters = {\n * color: ,\n * opacity: ,\n * map: new THREE.Texture( ),\n *\n * lightMap: new THREE.Texture( ),\n * lightMapIntensity: \n *\n * aoMap: new THREE.Texture( ),\n * aoMapIntensity: \n *\n * specularMap: new THREE.Texture( ),\n *\n * alphaMap: new THREE.Texture( ),\n *\n * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n * combine: THREE.Multiply,\n * reflectivity: ,\n * refractionRatio: ,\n *\n * depthTest: ,\n * depthWrite: ,\n *\n * wireframe: ,\n * wireframeLinewidth: ,\n * }\n */\n\nclass MeshBasicMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // emissive\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshBasicMaterial.prototype.isMeshBasicMaterial = true;\n\nconst _vector$9 = /*@__PURE__*/ new Vector3();\nconst _vector2$1 = /*@__PURE__*/ new Vector2();\n\nclass BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tif ( Array.isArray( array ) ) {\n\n\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t}\n\n\t\tthis.name = '';\n\n\t\tthis.array = array;\n\t\tthis.itemSize = itemSize;\n\t\tthis.count = array !== undefined ? array.length / itemSize : 0;\n\t\tthis.normalized = normalized === true;\n\n\t\tthis.usage = StaticDrawUsage;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t}\n\n\tonUploadCallback() {}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tsetUsage( value ) {\n\n\t\tthis.usage = value;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\t\tthis.array = new source.array.constructor( source.array );\n\t\tthis.itemSize = source.itemSize;\n\t\tthis.count = source.count;\n\t\tthis.normalized = source.normalized;\n\n\t\tthis.usage = source.usage;\n\n\t\treturn this;\n\n\t}\n\n\tcopyAt( index1, attribute, index2 ) {\n\n\t\tindex1 *= this.itemSize;\n\t\tindex2 *= attribute.itemSize;\n\n\t\tfor ( let i = 0, l = this.itemSize; i < l; i ++ ) {\n\n\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcopyArray( array ) {\n\n\t\tthis.array.set( array );\n\n\t\treturn this;\n\n\t}\n\n\tcopyColorsArray( colors ) {\n\n\t\tconst array = this.array;\n\t\tlet offset = 0;\n\n\t\tfor ( let i = 0, l = colors.length; i < l; i ++ ) {\n\n\t\t\tlet color = colors[ i ];\n\n\t\t\tif ( color === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyColorsArray(): color is undefined', i );\n\t\t\t\tcolor = new Color();\n\n\t\t\t}\n\n\t\t\tarray[ offset ++ ] = color.r;\n\t\t\tarray[ offset ++ ] = color.g;\n\t\t\tarray[ offset ++ ] = color.b;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcopyVector2sArray( vectors ) {\n\n\t\tconst array = this.array;\n\t\tlet offset = 0;\n\n\t\tfor ( let i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\tlet vector = vectors[ i ];\n\n\t\t\tif ( vector === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector2sArray(): vector is undefined', i );\n\t\t\t\tvector = new Vector2();\n\n\t\t\t}\n\n\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\tarray[ offset ++ ] = vector.y;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcopyVector3sArray( vectors ) {\n\n\t\tconst array = this.array;\n\t\tlet offset = 0;\n\n\t\tfor ( let i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\tlet vector = vectors[ i ];\n\n\t\t\tif ( vector === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector3sArray(): vector is undefined', i );\n\t\t\t\tvector = new Vector3();\n\n\t\t\t}\n\n\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\tarray[ offset ++ ] = vector.z;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcopyVector4sArray( vectors ) {\n\n\t\tconst array = this.array;\n\t\tlet offset = 0;\n\n\t\tfor ( let i = 0, l = vectors.length; i < l; i ++ ) {\n\n\t\t\tlet vector = vectors[ i ];\n\n\t\t\tif ( vector === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferAttribute.copyVector4sArray(): vector is undefined', i );\n\t\t\t\tvector = new Vector4();\n\n\t\t\t}\n\n\t\t\tarray[ offset ++ ] = vector.x;\n\t\t\tarray[ offset ++ ] = vector.y;\n\t\t\tarray[ offset ++ ] = vector.z;\n\t\t\tarray[ offset ++ ] = vector.w;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tif ( this.itemSize === 2 ) {\n\n\t\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t\t_vector2$1.fromBufferAttribute( this, i );\n\t\t\t\t_vector2$1.applyMatrix3( m );\n\n\t\t\t\tthis.setXY( i, _vector2$1.x, _vector2$1.y );\n\n\t\t\t}\n\n\t\t} else if ( this.itemSize === 3 ) {\n\n\t\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t\t_vector$9.fromBufferAttribute( this, i );\n\t\t\t\t_vector$9.applyMatrix3( m );\n\n\t\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.x = this.getX( i );\n\t\t\t_vector$9.y = this.getY( i );\n\t\t\t_vector$9.z = this.getZ( i );\n\n\t\t\t_vector$9.applyMatrix4( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyNormalMatrix( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.x = this.getX( i );\n\t\t\t_vector$9.y = this.getY( i );\n\t\t\t_vector$9.z = this.getZ( i );\n\n\t\t\t_vector$9.applyNormalMatrix( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttransformDirection( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.x = this.getX( i );\n\t\t\t_vector$9.y = this.getY( i );\n\t\t\t_vector$9.z = this.getZ( i );\n\n\t\t\t_vector$9.transformDirection( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tset( value, offset = 0 ) {\n\n\t\tthis.array.set( value, offset );\n\n\t\treturn this;\n\n\t}\n\n\tgetX( index ) {\n\n\t\treturn this.array[ index * this.itemSize ];\n\n\t}\n\n\tsetX( index, x ) {\n\n\t\tthis.array[ index * this.itemSize ] = x;\n\n\t\treturn this;\n\n\t}\n\n\tgetY( index ) {\n\n\t\treturn this.array[ index * this.itemSize + 1 ];\n\n\t}\n\n\tsetY( index, y ) {\n\n\t\tthis.array[ index * this.itemSize + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tgetZ( index ) {\n\n\t\treturn this.array[ index * this.itemSize + 2 ];\n\n\t}\n\n\tsetZ( index, z ) {\n\n\t\tthis.array[ index * this.itemSize + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tgetW( index ) {\n\n\t\treturn this.array[ index * this.itemSize + 3 ];\n\n\t}\n\n\tsetW( index, w ) {\n\n\t\tthis.array[ index * this.itemSize + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetXY( index, x, y ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZ( index, x, y, z ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\t\tthis.array[ index + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZW( index, x, y, z, w ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\t\tthis.array[ index + 2 ] = z;\n\t\tthis.array[ index + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tonUpload( callback ) {\n\n\t\tthis.onUploadCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.array, this.itemSize ).copy( this );\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\titemSize: this.itemSize,\n\t\t\ttype: this.array.constructor.name,\n\t\t\tarray: Array.prototype.slice.call( this.array ),\n\t\t\tnormalized: this.normalized\n\t\t};\n\n\t\tif ( this.name !== '' ) data.name = this.name;\n\t\tif ( this.usage !== StaticDrawUsage ) data.usage = this.usage;\n\t\tif ( this.updateRange.offset !== 0 || this.updateRange.count !== - 1 ) data.updateRange = this.updateRange;\n\n\t\treturn data;\n\n\t}\n\n}\n\nBufferAttribute.prototype.isBufferAttribute = true;\n\n//\n\nclass Int8BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int8Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint8BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint8Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint8ClampedBufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint8ClampedArray( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Int16BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int16Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint16BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint16Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Int32BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint32BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Float16BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint16Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nFloat16BufferAttribute.prototype.isFloat16BufferAttribute = true;\n\nclass Float32BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Float32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Float64BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Float64Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nlet _id = 0;\n\nconst _m1 = /*@__PURE__*/ new Matrix4();\nconst _obj = /*@__PURE__*/ new Object3D();\nconst _offset = /*@__PURE__*/ new Vector3();\nconst _box$1 = /*@__PURE__*/ new Box3();\nconst _boxMorphTargets = /*@__PURE__*/ new Box3();\nconst _vector$8 = /*@__PURE__*/ new Vector3();\n\nclass BufferGeometry extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tObject.defineProperty( this, 'id', { value: _id ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'BufferGeometry';\n\n\t\tthis.index = null;\n\t\tthis.attributes = {};\n\n\t\tthis.morphAttributes = {};\n\t\tthis.morphTargetsRelative = false;\n\n\t\tthis.groups = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\tthis.drawRange = { start: 0, count: Infinity };\n\n\t\tthis.userData = {};\n\n\t}\n\n\tgetIndex() {\n\n\t\treturn this.index;\n\n\t}\n\n\tsetIndex( index ) {\n\n\t\tif ( Array.isArray( index ) ) {\n\n\t\t\tthis.index = new ( arrayMax( index ) > 65535 ? Uint32BufferAttribute : Uint16BufferAttribute )( index, 1 );\n\n\t\t} else {\n\n\t\t\tthis.index = index;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetAttribute( name ) {\n\n\t\treturn this.attributes[ name ];\n\n\t}\n\n\tsetAttribute( name, attribute ) {\n\n\t\tthis.attributes[ name ] = attribute;\n\n\t\treturn this;\n\n\t}\n\n\tdeleteAttribute( name ) {\n\n\t\tdelete this.attributes[ name ];\n\n\t\treturn this;\n\n\t}\n\n\thasAttribute( name ) {\n\n\t\treturn this.attributes[ name ] !== undefined;\n\n\t}\n\n\taddGroup( start, count, materialIndex = 0 ) {\n\n\t\tthis.groups.push( {\n\n\t\t\tstart: start,\n\t\t\tcount: count,\n\t\t\tmaterialIndex: materialIndex\n\n\t\t} );\n\n\t}\n\n\tclearGroups() {\n\n\t\tthis.groups = [];\n\n\t}\n\n\tsetDrawRange( start, count ) {\n\n\t\tthis.drawRange.start = start;\n\t\tthis.drawRange.count = count;\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tconst position = this.attributes.position;\n\n\t\tif ( position !== undefined ) {\n\n\t\t\tposition.applyMatrix4( matrix );\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t}\n\n\t\tconst normal = this.attributes.normal;\n\n\t\tif ( normal !== undefined ) {\n\n\t\t\tconst normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\tnormal.applyNormalMatrix( normalMatrix );\n\n\t\t\tnormal.needsUpdate = true;\n\n\t\t}\n\n\t\tconst tangent = this.attributes.tangent;\n\n\t\tif ( tangent !== undefined ) {\n\n\t\t\ttangent.transformDirection( matrix );\n\n\t\t\ttangent.needsUpdate = true;\n\n\t\t}\n\n\t\tif ( this.boundingBox !== null ) {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t}\n\n\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\tthis.computeBoundingSphere();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyQuaternion( q ) {\n\n\t\t_m1.makeRotationFromQuaternion( q );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateX( angle ) {\n\n\t\t// rotate geometry around world x-axis\n\n\t\t_m1.makeRotationX( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateY( angle ) {\n\n\t\t// rotate geometry around world y-axis\n\n\t\t_m1.makeRotationY( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateZ( angle ) {\n\n\t\t// rotate geometry around world z-axis\n\n\t\t_m1.makeRotationZ( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( x, y, z ) {\n\n\t\t// translate geometry\n\n\t\t_m1.makeTranslation( x, y, z );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\tscale( x, y, z ) {\n\n\t\t// scale geometry\n\n\t\t_m1.makeScale( x, y, z );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\tlookAt( vector ) {\n\n\t\t_obj.lookAt( vector );\n\n\t\t_obj.updateMatrix();\n\n\t\tthis.applyMatrix4( _obj.matrix );\n\n\t\treturn this;\n\n\t}\n\n\tcenter() {\n\n\t\tthis.computeBoundingBox();\n\n\t\tthis.boundingBox.getCenter( _offset ).negate();\n\n\t\tthis.translate( _offset.x, _offset.y, _offset.z );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tconst position = [];\n\n\t\tfor ( let i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\tconst point = points[ i ];\n\t\t\tposition.push( point.x, point.y, point.z || 0 );\n\n\t\t}\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( position, 3 ) );\n\n\t\treturn this;\n\n\t}\n\n\tcomputeBoundingBox() {\n\n\t\tif ( this.boundingBox === null ) {\n\n\t\t\tthis.boundingBox = new Box3();\n\n\t\t}\n\n\t\tconst position = this.attributes.position;\n\t\tconst morphAttributesPosition = this.morphAttributes.position;\n\n\t\tif ( position && position.isGLBufferAttribute ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set \"mesh.frustumCulled\" to \"false\".', this );\n\n\t\t\tthis.boundingBox.set(\n\t\t\t\tnew Vector3( - Infinity, - Infinity, - Infinity ),\n\t\t\t\tnew Vector3( + Infinity, + Infinity, + Infinity )\n\t\t\t);\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( position !== undefined ) {\n\n\t\t\tthis.boundingBox.setFromBufferAttribute( position );\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\t_box$1.setFromBufferAttribute( morphAttribute );\n\n\t\t\t\t\tif ( this.morphTargetsRelative ) {\n\n\t\t\t\t\t\t_vector$8.addVectors( this.boundingBox.min, _box$1.min );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _vector$8 );\n\n\t\t\t\t\t\t_vector$8.addVectors( this.boundingBox.max, _box$1.max );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _vector$8 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _box$1.min );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _box$1.max );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tthis.boundingBox.makeEmpty();\n\n\t\t}\n\n\t\tif ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t}\n\n\t}\n\n\tcomputeBoundingSphere() {\n\n\t\tif ( this.boundingSphere === null ) {\n\n\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t}\n\n\t\tconst position = this.attributes.position;\n\t\tconst morphAttributesPosition = this.morphAttributes.position;\n\n\t\tif ( position && position.isGLBufferAttribute ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set \"mesh.frustumCulled\" to \"false\".', this );\n\n\t\t\tthis.boundingSphere.set( new Vector3(), Infinity );\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( position ) {\n\n\t\t\t// first, find the center of the bounding sphere\n\n\t\t\tconst center = this.boundingSphere.center;\n\n\t\t\t_box$1.setFromBufferAttribute( position );\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\t_boxMorphTargets.setFromBufferAttribute( morphAttribute );\n\n\t\t\t\t\tif ( this.morphTargetsRelative ) {\n\n\t\t\t\t\t\t_vector$8.addVectors( _box$1.min, _boxMorphTargets.min );\n\t\t\t\t\t\t_box$1.expandByPoint( _vector$8 );\n\n\t\t\t\t\t\t_vector$8.addVectors( _box$1.max, _boxMorphTargets.max );\n\t\t\t\t\t\t_box$1.expandByPoint( _vector$8 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_box$1.expandByPoint( _boxMorphTargets.min );\n\t\t\t\t\t\t_box$1.expandByPoint( _boxMorphTargets.max );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_box$1.getCenter( center );\n\n\t\t\t// second, try to find a boundingSphere with a radius smaller than the\n\t\t\t// boundingSphere of the boundingBox: sqrt(3) smaller in the best case\n\n\t\t\tlet maxRadiusSq = 0;\n\n\t\t\tfor ( let i = 0, il = position.count; i < il; i ++ ) {\n\n\t\t\t\t_vector$8.fromBufferAttribute( position, i );\n\n\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$8 ) );\n\n\t\t\t}\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\tconst morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t\t\t\tfor ( let j = 0, jl = morphAttribute.count; j < jl; j ++ ) {\n\n\t\t\t\t\t\t_vector$8.fromBufferAttribute( morphAttribute, j );\n\n\t\t\t\t\t\tif ( morphTargetsRelative ) {\n\n\t\t\t\t\t\t\t_offset.fromBufferAttribute( position, j );\n\t\t\t\t\t\t\t_vector$8.add( _offset );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$8 ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.boundingSphere.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\tif ( isNaN( this.boundingSphere.radius ) ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcomputeTangents() {\n\n\t\tconst index = this.index;\n\t\tconst attributes = this.attributes;\n\n\t\t// based on http://www.terathon.com/code/tangent.html\n\t\t// (per vertex tangents)\n\n\t\tif ( index === null ||\n\t\t\t attributes.position === undefined ||\n\t\t\t attributes.normal === undefined ||\n\t\t\t attributes.uv === undefined ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst indices = index.array;\n\t\tconst positions = attributes.position.array;\n\t\tconst normals = attributes.normal.array;\n\t\tconst uvs = attributes.uv.array;\n\n\t\tconst nVertices = positions.length / 3;\n\n\t\tif ( attributes.tangent === undefined ) {\n\n\t\t\tthis.setAttribute( 'tangent', new BufferAttribute( new Float32Array( 4 * nVertices ), 4 ) );\n\n\t\t}\n\n\t\tconst tangents = attributes.tangent.array;\n\n\t\tconst tan1 = [], tan2 = [];\n\n\t\tfor ( let i = 0; i < nVertices; i ++ ) {\n\n\t\t\ttan1[ i ] = new Vector3();\n\t\t\ttan2[ i ] = new Vector3();\n\n\t\t}\n\n\t\tconst vA = new Vector3(),\n\t\t\tvB = new Vector3(),\n\t\t\tvC = new Vector3(),\n\n\t\t\tuvA = new Vector2(),\n\t\t\tuvB = new Vector2(),\n\t\t\tuvC = new Vector2(),\n\n\t\t\tsdir = new Vector3(),\n\t\t\ttdir = new Vector3();\n\n\t\tfunction handleTriangle( a, b, c ) {\n\n\t\t\tvA.fromArray( positions, a * 3 );\n\t\t\tvB.fromArray( positions, b * 3 );\n\t\t\tvC.fromArray( positions, c * 3 );\n\n\t\t\tuvA.fromArray( uvs, a * 2 );\n\t\t\tuvB.fromArray( uvs, b * 2 );\n\t\t\tuvC.fromArray( uvs, c * 2 );\n\n\t\t\tvB.sub( vA );\n\t\t\tvC.sub( vA );\n\n\t\t\tuvB.sub( uvA );\n\t\t\tuvC.sub( uvA );\n\n\t\t\tconst r = 1.0 / ( uvB.x * uvC.y - uvC.x * uvB.y );\n\n\t\t\t// silently ignore degenerate uv triangles having coincident or colinear vertices\n\n\t\t\tif ( ! isFinite( r ) ) return;\n\n\t\t\tsdir.copy( vB ).multiplyScalar( uvC.y ).addScaledVector( vC, - uvB.y ).multiplyScalar( r );\n\t\t\ttdir.copy( vC ).multiplyScalar( uvB.x ).addScaledVector( vB, - uvC.x ).multiplyScalar( r );\n\n\t\t\ttan1[ a ].add( sdir );\n\t\t\ttan1[ b ].add( sdir );\n\t\t\ttan1[ c ].add( sdir );\n\n\t\t\ttan2[ a ].add( tdir );\n\t\t\ttan2[ b ].add( tdir );\n\t\t\ttan2[ c ].add( tdir );\n\n\t\t}\n\n\t\tlet groups = this.groups;\n\n\t\tif ( groups.length === 0 ) {\n\n\t\t\tgroups = [ {\n\t\t\t\tstart: 0,\n\t\t\t\tcount: indices.length\n\t\t\t} ];\n\n\t\t}\n\n\t\tfor ( let i = 0, il = groups.length; i < il; ++ i ) {\n\n\t\t\tconst group = groups[ i ];\n\n\t\t\tconst start = group.start;\n\t\t\tconst count = group.count;\n\n\t\t\tfor ( let j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\thandleTriangle(\n\t\t\t\t\tindices[ j + 0 ],\n\t\t\t\t\tindices[ j + 1 ],\n\t\t\t\t\tindices[ j + 2 ]\n\t\t\t\t);\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst tmp = new Vector3(), tmp2 = new Vector3();\n\t\tconst n = new Vector3(), n2 = new Vector3();\n\n\t\tfunction handleVertex( v ) {\n\n\t\t\tn.fromArray( normals, v * 3 );\n\t\t\tn2.copy( n );\n\n\t\t\tconst t = tan1[ v ];\n\n\t\t\t// Gram-Schmidt orthogonalize\n\n\t\t\ttmp.copy( t );\n\t\t\ttmp.sub( n.multiplyScalar( n.dot( t ) ) ).normalize();\n\n\t\t\t// Calculate handedness\n\n\t\t\ttmp2.crossVectors( n2, t );\n\t\t\tconst test = tmp2.dot( tan2[ v ] );\n\t\t\tconst w = ( test < 0.0 ) ? - 1.0 : 1.0;\n\n\t\t\ttangents[ v * 4 ] = tmp.x;\n\t\t\ttangents[ v * 4 + 1 ] = tmp.y;\n\t\t\ttangents[ v * 4 + 2 ] = tmp.z;\n\t\t\ttangents[ v * 4 + 3 ] = w;\n\n\t\t}\n\n\t\tfor ( let i = 0, il = groups.length; i < il; ++ i ) {\n\n\t\t\tconst group = groups[ i ];\n\n\t\t\tconst start = group.start;\n\t\t\tconst count = group.count;\n\n\t\t\tfor ( let j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\thandleVertex( indices[ j + 0 ] );\n\t\t\t\thandleVertex( indices[ j + 1 ] );\n\t\t\t\thandleVertex( indices[ j + 2 ] );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcomputeVertexNormals() {\n\n\t\tconst index = this.index;\n\t\tconst positionAttribute = this.getAttribute( 'position' );\n\n\t\tif ( positionAttribute !== undefined ) {\n\n\t\t\tlet normalAttribute = this.getAttribute( 'normal' );\n\n\t\t\tif ( normalAttribute === undefined ) {\n\n\t\t\t\tnormalAttribute = new BufferAttribute( new Float32Array( positionAttribute.count * 3 ), 3 );\n\t\t\t\tthis.setAttribute( 'normal', normalAttribute );\n\n\t\t\t} else {\n\n\t\t\t\t// reset existing normals to zero\n\n\t\t\t\tfor ( let i = 0, il = normalAttribute.count; i < il; i ++ ) {\n\n\t\t\t\t\tnormalAttribute.setXYZ( i, 0, 0, 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst pA = new Vector3(), pB = new Vector3(), pC = new Vector3();\n\t\t\tconst nA = new Vector3(), nB = new Vector3(), nC = new Vector3();\n\t\t\tconst cb = new Vector3(), ab = new Vector3();\n\n\t\t\t// indexed elements\n\n\t\t\tif ( index ) {\n\n\t\t\t\tfor ( let i = 0, il = index.count; i < il; i += 3 ) {\n\n\t\t\t\t\tconst vA = index.getX( i + 0 );\n\t\t\t\t\tconst vB = index.getX( i + 1 );\n\t\t\t\t\tconst vC = index.getX( i + 2 );\n\n\t\t\t\t\tpA.fromBufferAttribute( positionAttribute, vA );\n\t\t\t\t\tpB.fromBufferAttribute( positionAttribute, vB );\n\t\t\t\t\tpC.fromBufferAttribute( positionAttribute, vC );\n\n\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tnA.fromBufferAttribute( normalAttribute, vA );\n\t\t\t\t\tnB.fromBufferAttribute( normalAttribute, vB );\n\t\t\t\t\tnC.fromBufferAttribute( normalAttribute, vC );\n\n\t\t\t\t\tnA.add( cb );\n\t\t\t\t\tnB.add( cb );\n\t\t\t\t\tnC.add( cb );\n\n\t\t\t\t\tnormalAttribute.setXYZ( vA, nA.x, nA.y, nA.z );\n\t\t\t\t\tnormalAttribute.setXYZ( vB, nB.x, nB.y, nB.z );\n\t\t\t\t\tnormalAttribute.setXYZ( vC, nC.x, nC.y, nC.z );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed elements (unconnected triangle soup)\n\n\t\t\t\tfor ( let i = 0, il = positionAttribute.count; i < il; i += 3 ) {\n\n\t\t\t\t\tpA.fromBufferAttribute( positionAttribute, i + 0 );\n\t\t\t\t\tpB.fromBufferAttribute( positionAttribute, i + 1 );\n\t\t\t\t\tpC.fromBufferAttribute( positionAttribute, i + 2 );\n\n\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tnormalAttribute.setXYZ( i + 0, cb.x, cb.y, cb.z );\n\t\t\t\t\tnormalAttribute.setXYZ( i + 1, cb.x, cb.y, cb.z );\n\t\t\t\t\tnormalAttribute.setXYZ( i + 2, cb.x, cb.y, cb.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.normalizeNormals();\n\n\t\t\tnormalAttribute.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n\tmerge( geometry, offset ) {\n\n\t\tif ( ! ( geometry && geometry.isBufferGeometry ) ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.', geometry );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( offset === undefined ) {\n\n\t\t\toffset = 0;\n\n\t\t\tconsole.warn(\n\t\t\t\t'THREE.BufferGeometry.merge(): Overwriting original geometry, starting at offset=0. '\n\t\t\t\t+ 'Use BufferGeometryUtils.mergeBufferGeometries() for lossless merge.'\n\t\t\t);\n\n\t\t}\n\n\t\tconst attributes = this.attributes;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tif ( geometry.attributes[ key ] === undefined ) continue;\n\n\t\t\tconst attribute1 = attributes[ key ];\n\t\t\tconst attributeArray1 = attribute1.array;\n\n\t\t\tconst attribute2 = geometry.attributes[ key ];\n\t\t\tconst attributeArray2 = attribute2.array;\n\n\t\t\tconst attributeOffset = attribute2.itemSize * offset;\n\t\t\tconst length = Math.min( attributeArray2.length, attributeArray1.length - attributeOffset );\n\n\t\t\tfor ( let i = 0, j = attributeOffset; i < length; i ++, j ++ ) {\n\n\t\t\t\tattributeArray1[ j ] = attributeArray2[ i ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tnormalizeNormals() {\n\n\t\tconst normals = this.attributes.normal;\n\n\t\tfor ( let i = 0, il = normals.count; i < il; i ++ ) {\n\n\t\t\t_vector$8.fromBufferAttribute( normals, i );\n\n\t\t\t_vector$8.normalize();\n\n\t\t\tnormals.setXYZ( i, _vector$8.x, _vector$8.y, _vector$8.z );\n\n\t\t}\n\n\t}\n\n\ttoNonIndexed() {\n\n\t\tfunction convertBufferAttribute( attribute, indices ) {\n\n\t\t\tconst array = attribute.array;\n\t\t\tconst itemSize = attribute.itemSize;\n\t\t\tconst normalized = attribute.normalized;\n\n\t\t\tconst array2 = new array.constructor( indices.length * itemSize );\n\n\t\t\tlet index = 0, index2 = 0;\n\n\t\t\tfor ( let i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\tindex = indices[ i ] * attribute.data.stride + attribute.offset;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tindex = indices[ i ] * itemSize;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let j = 0; j < itemSize; j ++ ) {\n\n\t\t\t\t\tarray2[ index2 ++ ] = array[ index ++ ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn new BufferAttribute( array2, itemSize, normalized );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.index === null ) {\n\n\t\t\tconsole.warn( 'THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed.' );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst geometry2 = new BufferGeometry();\n\n\t\tconst indices = this.index.array;\n\t\tconst attributes = this.attributes;\n\n\t\t// attributes\n\n\t\tfor ( const name in attributes ) {\n\n\t\t\tconst attribute = attributes[ name ];\n\n\t\t\tconst newAttribute = convertBufferAttribute( attribute, indices );\n\n\t\t\tgeometry2.setAttribute( name, newAttribute );\n\n\t\t}\n\n\t\t// morph attributes\n\n\t\tconst morphAttributes = this.morphAttributes;\n\n\t\tfor ( const name in morphAttributes ) {\n\n\t\t\tconst morphArray = [];\n\t\t\tconst morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes\n\n\t\t\tfor ( let i = 0, il = morphAttribute.length; i < il; i ++ ) {\n\n\t\t\t\tconst attribute = morphAttribute[ i ];\n\n\t\t\t\tconst newAttribute = convertBufferAttribute( attribute, indices );\n\n\t\t\t\tmorphArray.push( newAttribute );\n\n\t\t\t}\n\n\t\t\tgeometry2.morphAttributes[ name ] = morphArray;\n\n\t\t}\n\n\t\tgeometry2.morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t// groups\n\n\t\tconst groups = this.groups;\n\n\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tconst group = groups[ i ];\n\t\t\tgeometry2.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\treturn geometry2;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'BufferGeometry',\n\t\t\t\tgenerator: 'BufferGeometry.toJSON'\n\t\t\t}\n\t\t};\n\n\t\t// standard BufferGeometry serialization\n\n\t\tdata.uuid = this.uuid;\n\t\tdata.type = this.type;\n\t\tif ( this.name !== '' ) data.name = this.name;\n\t\tif ( Object.keys( this.userData ).length > 0 ) data.userData = this.userData;\n\n\t\tif ( this.parameters !== undefined ) {\n\n\t\t\tconst parameters = this.parameters;\n\n\t\t\tfor ( const key in parameters ) {\n\n\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\t// for simplicity the code assumes attributes are not shared across geometries, see #15811\n\n\t\tdata.data = { attributes: {} };\n\n\t\tconst index = this.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tdata.data.index = {\n\t\t\t\ttype: index.array.constructor.name,\n\t\t\t\tarray: Array.prototype.slice.call( index.array )\n\t\t\t};\n\n\t\t}\n\n\t\tconst attributes = this.attributes;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tconst attribute = attributes[ key ];\n\n\t\t\tdata.data.attributes[ key ] = attribute.toJSON( data.data );\n\n\t\t}\n\n\t\tconst morphAttributes = {};\n\t\tlet hasMorphAttributes = false;\n\n\t\tfor ( const key in this.morphAttributes ) {\n\n\t\t\tconst attributeArray = this.morphAttributes[ key ];\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0, il = attributeArray.length; i < il; i ++ ) {\n\n\t\t\t\tconst attribute = attributeArray[ i ];\n\n\t\t\t\tarray.push( attribute.toJSON( data.data ) );\n\n\t\t\t}\n\n\t\t\tif ( array.length > 0 ) {\n\n\t\t\t\tmorphAttributes[ key ] = array;\n\n\t\t\t\thasMorphAttributes = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( hasMorphAttributes ) {\n\n\t\t\tdata.data.morphAttributes = morphAttributes;\n\t\t\tdata.data.morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t}\n\n\t\tconst groups = this.groups;\n\n\t\tif ( groups.length > 0 ) {\n\n\t\t\tdata.data.groups = JSON.parse( JSON.stringify( groups ) );\n\n\t\t}\n\n\t\tconst boundingSphere = this.boundingSphere;\n\n\t\tif ( boundingSphere !== null ) {\n\n\t\t\tdata.data.boundingSphere = {\n\t\t\t\tcenter: boundingSphere.center.toArray(),\n\t\t\t\tradius: boundingSphere.radius\n\t\t\t};\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tclone() {\n\n\t\t return new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\t// reset\n\n\t\tthis.index = null;\n\t\tthis.attributes = {};\n\t\tthis.morphAttributes = {};\n\t\tthis.groups = [];\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// used for storing cloned, shared data\n\n\t\tconst data = {};\n\n\t\t// name\n\n\t\tthis.name = source.name;\n\n\t\t// index\n\n\t\tconst index = source.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tthis.setIndex( index.clone( data ) );\n\n\t\t}\n\n\t\t// attributes\n\n\t\tconst attributes = source.attributes;\n\n\t\tfor ( const name in attributes ) {\n\n\t\t\tconst attribute = attributes[ name ];\n\t\t\tthis.setAttribute( name, attribute.clone( data ) );\n\n\t\t}\n\n\t\t// morph attributes\n\n\t\tconst morphAttributes = source.morphAttributes;\n\n\t\tfor ( const name in morphAttributes ) {\n\n\t\t\tconst array = [];\n\t\t\tconst morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes\n\n\t\t\tfor ( let i = 0, l = morphAttribute.length; i < l; i ++ ) {\n\n\t\t\t\tarray.push( morphAttribute[ i ].clone( data ) );\n\n\t\t\t}\n\n\t\t\tthis.morphAttributes[ name ] = array;\n\n\t\t}\n\n\t\tthis.morphTargetsRelative = source.morphTargetsRelative;\n\n\t\t// groups\n\n\t\tconst groups = source.groups;\n\n\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tconst group = groups[ i ];\n\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\t// bounding box\n\n\t\tconst boundingBox = source.boundingBox;\n\n\t\tif ( boundingBox !== null ) {\n\n\t\t\tthis.boundingBox = boundingBox.clone();\n\n\t\t}\n\n\t\t// bounding sphere\n\n\t\tconst boundingSphere = source.boundingSphere;\n\n\t\tif ( boundingSphere !== null ) {\n\n\t\t\tthis.boundingSphere = boundingSphere.clone();\n\n\t\t}\n\n\t\t// draw range\n\n\t\tthis.drawRange.start = source.drawRange.start;\n\t\tthis.drawRange.count = source.drawRange.count;\n\n\t\t// user data\n\n\t\tthis.userData = source.userData;\n\n\t\t// geometry generator parameters\n\n\t\tif ( source.parameters !== undefined ) this.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n}\n\nBufferGeometry.prototype.isBufferGeometry = true;\n\nconst _inverseMatrix$2 = /*@__PURE__*/ new Matrix4();\nconst _ray$2 = /*@__PURE__*/ new Ray();\nconst _sphere$3 = /*@__PURE__*/ new Sphere();\n\nconst _vA$1 = /*@__PURE__*/ new Vector3();\nconst _vB$1 = /*@__PURE__*/ new Vector3();\nconst _vC$1 = /*@__PURE__*/ new Vector3();\n\nconst _tempA = /*@__PURE__*/ new Vector3();\nconst _tempB = /*@__PURE__*/ new Vector3();\nconst _tempC = /*@__PURE__*/ new Vector3();\n\nconst _morphA = /*@__PURE__*/ new Vector3();\nconst _morphB = /*@__PURE__*/ new Vector3();\nconst _morphC = /*@__PURE__*/ new Vector3();\n\nconst _uvA$1 = /*@__PURE__*/ new Vector2();\nconst _uvB$1 = /*@__PURE__*/ new Vector2();\nconst _uvC$1 = /*@__PURE__*/ new Vector2();\n\nconst _intersectionPoint = /*@__PURE__*/ new Vector3();\nconst _intersectionPointWorld = /*@__PURE__*/ new Vector3();\n\nclass Mesh extends Object3D {\n\n\tconstructor( geometry = new BufferGeometry(), material = new MeshBasicMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Mesh';\n\n\t\tthis.geometry = geometry;\n\t\tthis.material = material;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tif ( source.morphTargetInfluences !== undefined ) {\n\n\t\t\tthis.morphTargetInfluences = source.morphTargetInfluences.slice();\n\n\t\t}\n\n\t\tif ( source.morphTargetDictionary !== undefined ) {\n\n\t\t\tthis.morphTargetDictionary = Object.assign( {}, source.morphTargetDictionary );\n\n\t\t}\n\n\t\tthis.material = source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst morphAttributes = geometry.morphAttributes;\n\t\t\tconst keys = Object.keys( morphAttributes );\n\n\t\t\tif ( keys.length > 0 ) {\n\n\t\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst morphTargets = geometry.morphTargets;\n\n\t\t\tif ( morphTargets !== undefined && morphTargets.length > 0 ) {\n\n\t\t\t\tconsole.error( 'THREE.Mesh.updateMorphTargets() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst material = this.material;\n\t\tconst matrixWorld = this.matrixWorld;\n\n\t\tif ( material === undefined ) return;\n\n\t\t// Checking boundingSphere distance to ray\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere$3.copy( geometry.boundingSphere );\n\t\t_sphere$3.applyMatrix4( matrixWorld );\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere$3 ) === false ) return;\n\n\t\t//\n\n\t\t_inverseMatrix$2.copy( matrixWorld ).invert();\n\t\t_ray$2.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$2 );\n\n\t\t// Check boundingBox before continuing\n\n\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\tif ( _ray$2.intersectsBox( geometry.boundingBox ) === false ) return;\n\n\t\t}\n\n\t\tlet intersection;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst index = geometry.index;\n\t\t\tconst position = geometry.attributes.position;\n\t\t\tconst morphPosition = geometry.morphAttributes.position;\n\t\t\tconst morphTargetsRelative = geometry.morphTargetsRelative;\n\t\t\tconst uv = geometry.attributes.uv;\n\t\t\tconst uv2 = geometry.attributes.uv2;\n\t\t\tconst groups = geometry.groups;\n\t\t\tconst drawRange = geometry.drawRange;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\t// indexed buffer geometry\n\n\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\tfor ( let i = 0, il = groups.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\tconst start = Math.max( group.start, drawRange.start );\n\t\t\t\t\t\tconst end = Math.min( index.count, Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ) );\n\n\t\t\t\t\t\tfor ( let j = start, jl = end; j < jl; j += 3 ) {\n\n\t\t\t\t\t\t\tconst a = index.getX( j );\n\t\t\t\t\t\t\tconst b = index.getX( j + 1 );\n\t\t\t\t\t\t\tconst c = index.getX( j + 2 );\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, groupMaterial, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( j / 3 ); // triangle number in indexed buffer semantics\n\t\t\t\t\t\t\t\tintersection.face.materialIndex = group.materialIndex;\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\t\tfor ( let i = start, il = end; i < il; i += 3 ) {\n\n\t\t\t\t\t\tconst a = index.getX( i );\n\t\t\t\t\t\tconst b = index.getX( i + 1 );\n\t\t\t\t\t\tconst c = index.getX( i + 2 );\n\n\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, material, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in indexed buffer semantics\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( position !== undefined ) {\n\n\t\t\t\t// non-indexed buffer geometry\n\n\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\tfor ( let i = 0, il = groups.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\tconst start = Math.max( group.start, drawRange.start );\n\t\t\t\t\t\tconst end = Math.min( position.count, Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ) );\n\n\t\t\t\t\t\tfor ( let j = start, jl = end; j < jl; j += 3 ) {\n\n\t\t\t\t\t\t\tconst a = j;\n\t\t\t\t\t\t\tconst b = j + 1;\n\t\t\t\t\t\t\tconst c = j + 2;\n\n\t\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, groupMaterial, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c );\n\n\t\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( j / 3 ); // triangle number in non-indexed buffer semantics\n\t\t\t\t\t\t\t\tintersection.face.materialIndex = group.materialIndex;\n\t\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\t\tconst end = Math.min( position.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\t\tfor ( let i = start, il = end; i < il; i += 3 ) {\n\n\t\t\t\t\t\tconst a = i;\n\t\t\t\t\t\tconst b = i + 1;\n\t\t\t\t\t\tconst c = i + 2;\n\n\t\t\t\t\t\tintersection = checkBufferGeometryIntersection( this, material, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in non-indexed buffer semantics\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\tconsole.error( 'THREE.Mesh.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t}\n\n\t}\n\n}\n\nMesh.prototype.isMesh = true;\n\nfunction checkIntersection( object, material, raycaster, ray, pA, pB, pC, point ) {\n\n\tlet intersect;\n\n\tif ( material.side === BackSide ) {\n\n\t\tintersect = ray.intersectTriangle( pC, pB, pA, true, point );\n\n\t} else {\n\n\t\tintersect = ray.intersectTriangle( pA, pB, pC, material.side !== DoubleSide, point );\n\n\t}\n\n\tif ( intersect === null ) return null;\n\n\t_intersectionPointWorld.copy( point );\n\t_intersectionPointWorld.applyMatrix4( object.matrixWorld );\n\n\tconst distance = raycaster.ray.origin.distanceTo( _intersectionPointWorld );\n\n\tif ( distance < raycaster.near || distance > raycaster.far ) return null;\n\n\treturn {\n\t\tdistance: distance,\n\t\tpoint: _intersectionPointWorld.clone(),\n\t\tobject: object\n\t};\n\n}\n\nfunction checkBufferGeometryIntersection( object, material, raycaster, ray, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c ) {\n\n\t_vA$1.fromBufferAttribute( position, a );\n\t_vB$1.fromBufferAttribute( position, b );\n\t_vC$1.fromBufferAttribute( position, c );\n\n\tconst morphInfluences = object.morphTargetInfluences;\n\n\tif ( morphPosition && morphInfluences ) {\n\n\t\t_morphA.set( 0, 0, 0 );\n\t\t_morphB.set( 0, 0, 0 );\n\t\t_morphC.set( 0, 0, 0 );\n\n\t\tfor ( let i = 0, il = morphPosition.length; i < il; i ++ ) {\n\n\t\t\tconst influence = morphInfluences[ i ];\n\t\t\tconst morphAttribute = morphPosition[ i ];\n\n\t\t\tif ( influence === 0 ) continue;\n\n\t\t\t_tempA.fromBufferAttribute( morphAttribute, a );\n\t\t\t_tempB.fromBufferAttribute( morphAttribute, b );\n\t\t\t_tempC.fromBufferAttribute( morphAttribute, c );\n\n\t\t\tif ( morphTargetsRelative ) {\n\n\t\t\t\t_morphA.addScaledVector( _tempA, influence );\n\t\t\t\t_morphB.addScaledVector( _tempB, influence );\n\t\t\t\t_morphC.addScaledVector( _tempC, influence );\n\n\t\t\t} else {\n\n\t\t\t\t_morphA.addScaledVector( _tempA.sub( _vA$1 ), influence );\n\t\t\t\t_morphB.addScaledVector( _tempB.sub( _vB$1 ), influence );\n\t\t\t\t_morphC.addScaledVector( _tempC.sub( _vC$1 ), influence );\n\n\t\t\t}\n\n\t\t}\n\n\t\t_vA$1.add( _morphA );\n\t\t_vB$1.add( _morphB );\n\t\t_vC$1.add( _morphC );\n\n\t}\n\n\tif ( object.isSkinnedMesh ) {\n\n\t\tobject.boneTransform( a, _vA$1 );\n\t\tobject.boneTransform( b, _vB$1 );\n\t\tobject.boneTransform( c, _vC$1 );\n\n\t}\n\n\tconst intersection = checkIntersection( object, material, raycaster, ray, _vA$1, _vB$1, _vC$1, _intersectionPoint );\n\n\tif ( intersection ) {\n\n\t\tif ( uv ) {\n\n\t\t\t_uvA$1.fromBufferAttribute( uv, a );\n\t\t\t_uvB$1.fromBufferAttribute( uv, b );\n\t\t\t_uvC$1.fromBufferAttribute( uv, c );\n\n\t\t\tintersection.uv = Triangle.getUV( _intersectionPoint, _vA$1, _vB$1, _vC$1, _uvA$1, _uvB$1, _uvC$1, new Vector2() );\n\n\t\t}\n\n\t\tif ( uv2 ) {\n\n\t\t\t_uvA$1.fromBufferAttribute( uv2, a );\n\t\t\t_uvB$1.fromBufferAttribute( uv2, b );\n\t\t\t_uvC$1.fromBufferAttribute( uv2, c );\n\n\t\t\tintersection.uv2 = Triangle.getUV( _intersectionPoint, _vA$1, _vB$1, _vC$1, _uvA$1, _uvB$1, _uvC$1, new Vector2() );\n\n\t\t}\n\n\t\tconst face = {\n\t\t\ta: a,\n\t\t\tb: b,\n\t\t\tc: c,\n\t\t\tnormal: new Vector3(),\n\t\t\tmaterialIndex: 0\n\t\t};\n\n\t\tTriangle.getNormal( _vA$1, _vB$1, _vC$1, face.normal );\n\n\t\tintersection.face = face;\n\n\t}\n\n\treturn intersection;\n\n}\n\nclass BoxGeometry extends BufferGeometry {\n\n\tconstructor( width = 1, height = 1, depth = 1, widthSegments = 1, heightSegments = 1, depthSegments = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'BoxGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tconst scope = this;\n\n\t\t// segments\n\n\t\twidthSegments = Math.floor( widthSegments );\n\t\theightSegments = Math.floor( heightSegments );\n\t\tdepthSegments = Math.floor( depthSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet numberOfVertices = 0;\n\t\tlet groupStart = 0;\n\n\t\t// build each side of the box geometry\n\n\t\tbuildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px\n\t\tbuildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx\n\t\tbuildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py\n\t\tbuildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny\n\t\tbuildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz\n\t\tbuildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\tfunction buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) {\n\n\t\t\tconst segmentWidth = width / gridX;\n\t\t\tconst segmentHeight = height / gridY;\n\n\t\t\tconst widthHalf = width / 2;\n\t\t\tconst heightHalf = height / 2;\n\t\t\tconst depthHalf = depth / 2;\n\n\t\t\tconst gridX1 = gridX + 1;\n\t\t\tconst gridY1 = gridY + 1;\n\n\t\t\tlet vertexCounter = 0;\n\t\t\tlet groupCount = 0;\n\n\t\t\tconst vector = new Vector3();\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( let iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\t\tconst y = iy * segmentHeight - heightHalf;\n\n\t\t\t\tfor ( let ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\t\tconst x = ix * segmentWidth - widthHalf;\n\n\t\t\t\t\t// set values to correct vector component\n\n\t\t\t\t\tvector[ u ] = x * udir;\n\t\t\t\t\tvector[ v ] = y * vdir;\n\t\t\t\t\tvector[ w ] = depthHalf;\n\n\t\t\t\t\t// now apply vector to vertex buffer\n\n\t\t\t\t\tvertices.push( vector.x, vector.y, vector.z );\n\n\t\t\t\t\t// set values to correct vector component\n\n\t\t\t\t\tvector[ u ] = 0;\n\t\t\t\t\tvector[ v ] = 0;\n\t\t\t\t\tvector[ w ] = depth > 0 ? 1 : - 1;\n\n\t\t\t\t\t// now apply vector to normal buffer\n\n\t\t\t\t\tnormals.push( vector.x, vector.y, vector.z );\n\n\t\t\t\t\t// uvs\n\n\t\t\t\t\tuvs.push( ix / gridX );\n\t\t\t\t\tuvs.push( 1 - ( iy / gridY ) );\n\n\t\t\t\t\t// counters\n\n\t\t\t\t\tvertexCounter += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// indices\n\n\t\t\t// 1. you need three indices to draw a single face\n\t\t\t// 2. a single segment consists of two faces\n\t\t\t// 3. so we need to generate six (2*3) indices per segment\n\n\t\t\tfor ( let iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\t\tfor ( let ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\t\tconst a = numberOfVertices + ix + gridX1 * iy;\n\t\t\t\t\tconst b = numberOfVertices + ix + gridX1 * ( iy + 1 );\n\t\t\t\t\tconst c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\t\tconst d = numberOfVertices + ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t\t// increase counter\n\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, materialIndex );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t\t// update total number of vertices\n\n\t\t\tnumberOfVertices += vertexCounter;\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new BoxGeometry( data.width, data.height, data.depth, data.widthSegments, data.heightSegments, data.depthSegments );\n\n\t}\n\n}\n\n/**\n * Uniform Utilities\n */\n\nfunction cloneUniforms( src ) {\n\n\tconst dst = {};\n\n\tfor ( const u in src ) {\n\n\t\tdst[ u ] = {};\n\n\t\tfor ( const p in src[ u ] ) {\n\n\t\t\tconst property = src[ u ][ p ];\n\n\t\t\tif ( property && ( property.isColor ||\n\t\t\t\tproperty.isMatrix3 || property.isMatrix4 ||\n\t\t\t\tproperty.isVector2 || property.isVector3 || property.isVector4 ||\n\t\t\t\tproperty.isTexture || property.isQuaternion ) ) {\n\n\t\t\t\tdst[ u ][ p ] = property.clone();\n\n\t\t\t} else if ( Array.isArray( property ) ) {\n\n\t\t\t\tdst[ u ][ p ] = property.slice();\n\n\t\t\t} else {\n\n\t\t\t\tdst[ u ][ p ] = property;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn dst;\n\n}\n\nfunction mergeUniforms( uniforms ) {\n\n\tconst merged = {};\n\n\tfor ( let u = 0; u < uniforms.length; u ++ ) {\n\n\t\tconst tmp = cloneUniforms( uniforms[ u ] );\n\n\t\tfor ( const p in tmp ) {\n\n\t\t\tmerged[ p ] = tmp[ p ];\n\n\t\t}\n\n\t}\n\n\treturn merged;\n\n}\n\n// Legacy\n\nconst UniformsUtils = { clone: cloneUniforms, merge: mergeUniforms };\n\nvar default_vertex = \"void main() {\\n\\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\\n}\";\n\nvar default_fragment = \"void main() {\\n\\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\\n}\";\n\n/**\n * parameters = {\n * defines: { \"label\" : \"value\" },\n * uniforms: { \"parameter1\": { value: 1.0 }, \"parameter2\": { value2: 2 } },\n *\n * fragmentShader: ,\n * vertexShader: ,\n *\n * wireframe: ,\n * wireframeLinewidth: ,\n *\n * lights: \n * }\n */\n\nclass ShaderMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ShaderMaterial';\n\n\t\tthis.defines = {};\n\t\tthis.uniforms = {};\n\n\t\tthis.vertexShader = default_vertex;\n\t\tthis.fragmentShader = default_fragment;\n\n\t\tthis.linewidth = 1;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false; // set to use scene fog\n\t\tthis.lights = false; // set to use scene lights\n\t\tthis.clipping = false; // set to use user-defined clipping planes\n\n\t\tthis.extensions = {\n\t\t\tderivatives: false, // set to use derivatives\n\t\t\tfragDepth: false, // set to use fragment depth values\n\t\t\tdrawBuffers: false, // set to use draw buffers\n\t\t\tshaderTextureLOD: false // set to use shader texture LOD\n\t\t};\n\n\t\t// When rendered geometry doesn't include these attributes but the material does,\n\t\t// use these default values in WebGL. This avoids errors when buffer data is missing.\n\t\tthis.defaultAttributeValues = {\n\t\t\t'color': [ 1, 1, 1 ],\n\t\t\t'uv': [ 0, 0 ],\n\t\t\t'uv2': [ 0, 0 ]\n\t\t};\n\n\t\tthis.index0AttributeName = undefined;\n\t\tthis.uniformsNeedUpdate = false;\n\n\t\tthis.glslVersion = null;\n\n\t\tif ( parameters !== undefined ) {\n\n\t\t\tif ( parameters.attributes !== undefined ) {\n\n\t\t\t\tconsole.error( 'THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t\tthis.setValues( parameters );\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.fragmentShader = source.fragmentShader;\n\t\tthis.vertexShader = source.vertexShader;\n\n\t\tthis.uniforms = cloneUniforms( source.uniforms );\n\n\t\tthis.defines = Object.assign( {}, source.defines );\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.lights = source.lights;\n\t\tthis.clipping = source.clipping;\n\n\t\tthis.extensions = Object.assign( {}, source.extensions );\n\n\t\tthis.glslVersion = source.glslVersion;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.glslVersion = this.glslVersion;\n\t\tdata.uniforms = {};\n\n\t\tfor ( const name in this.uniforms ) {\n\n\t\t\tconst uniform = this.uniforms[ name ];\n\t\t\tconst value = uniform.value;\n\n\t\t\tif ( value && value.isTexture ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 't',\n\t\t\t\t\tvalue: value.toJSON( meta ).uuid\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isColor ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'c',\n\t\t\t\t\tvalue: value.getHex()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector2 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v2',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector3 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v3',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector4 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v4',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isMatrix3 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'm3',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isMatrix4 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'm4',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\tvalue: value\n\t\t\t\t};\n\n\t\t\t\t// note: the array variants v2v, v3v, v4v, m4v and tv are not supported so far\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( Object.keys( this.defines ).length > 0 ) data.defines = this.defines;\n\n\t\tdata.vertexShader = this.vertexShader;\n\t\tdata.fragmentShader = this.fragmentShader;\n\n\t\tconst extensions = {};\n\n\t\tfor ( const key in this.extensions ) {\n\n\t\t\tif ( this.extensions[ key ] === true ) extensions[ key ] = true;\n\n\t\t}\n\n\t\tif ( Object.keys( extensions ).length > 0 ) data.extensions = extensions;\n\n\t\treturn data;\n\n\t}\n\n}\n\nShaderMaterial.prototype.isShaderMaterial = true;\n\nclass Camera extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'Camera';\n\n\t\tthis.matrixWorldInverse = new Matrix4();\n\n\t\tthis.projectionMatrix = new Matrix4();\n\t\tthis.projectionMatrixInverse = new Matrix4();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.matrixWorldInverse.copy( source.matrixWorldInverse );\n\n\t\tthis.projectionMatrix.copy( source.projectionMatrix );\n\t\tthis.projectionMatrixInverse.copy( source.projectionMatrixInverse );\n\n\t\treturn this;\n\n\t}\n\n\tgetWorldDirection( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tconst e = this.matrixWorld.elements;\n\n\t\treturn target.set( - e[ 8 ], - e[ 9 ], - e[ 10 ] ).normalize();\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tthis.matrixWorldInverse.copy( this.matrixWorld ).invert();\n\n\t}\n\n\tupdateWorldMatrix( updateParents, updateChildren ) {\n\n\t\tsuper.updateWorldMatrix( updateParents, updateChildren );\n\n\t\tthis.matrixWorldInverse.copy( this.matrixWorld ).invert();\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nCamera.prototype.isCamera = true;\n\nclass PerspectiveCamera extends Camera {\n\n\tconstructor( fov = 50, aspect = 1, near = 0.1, far = 2000 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'PerspectiveCamera';\n\n\t\tthis.fov = fov;\n\t\tthis.zoom = 1;\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\t\tthis.focus = 10;\n\n\t\tthis.aspect = aspect;\n\t\tthis.view = null;\n\n\t\tthis.filmGauge = 35;\t// width of the film (default in millimeters)\n\t\tthis.filmOffset = 0;\t// horizontal film offset (same unit as gauge)\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.fov = source.fov;\n\t\tthis.zoom = source.zoom;\n\n\t\tthis.near = source.near;\n\t\tthis.far = source.far;\n\t\tthis.focus = source.focus;\n\n\t\tthis.aspect = source.aspect;\n\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\tthis.filmGauge = source.filmGauge;\n\t\tthis.filmOffset = source.filmOffset;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the FOV by focal length in respect to the current .filmGauge.\n\t *\n\t * The default film gauge is 35, so that the focal length can be specified for\n\t * a 35mm (full frame) camera.\n\t *\n\t * Values for focal length and film gauge must have the same unit.\n\t */\n\tsetFocalLength( focalLength ) {\n\n\t\t/** see {@link http://www.bobatkins.com/photography/technical/field_of_view.html} */\n\t\tconst vExtentSlope = 0.5 * this.getFilmHeight() / focalLength;\n\n\t\tthis.fov = RAD2DEG * 2 * Math.atan( vExtentSlope );\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\t/**\n\t * Calculates the focal length from the current .fov and .filmGauge.\n\t */\n\tgetFocalLength() {\n\n\t\tconst vExtentSlope = Math.tan( DEG2RAD * 0.5 * this.fov );\n\n\t\treturn 0.5 * this.getFilmHeight() / vExtentSlope;\n\n\t}\n\n\tgetEffectiveFOV() {\n\n\t\treturn RAD2DEG * 2 * Math.atan(\n\t\t\tMath.tan( DEG2RAD * 0.5 * this.fov ) / this.zoom );\n\n\t}\n\n\tgetFilmWidth() {\n\n\t\t// film not completely covered in portrait format (aspect < 1)\n\t\treturn this.filmGauge * Math.min( this.aspect, 1 );\n\n\t}\n\n\tgetFilmHeight() {\n\n\t\t// film not completely covered in landscape format (aspect > 1)\n\t\treturn this.filmGauge / Math.max( this.aspect, 1 );\n\n\t}\n\n\t/**\n\t * Sets an offset in a larger frustum. This is useful for multi-window or\n\t * multi-monitor/multi-machine setups.\n\t *\n\t * For example, if you have 3x2 monitors and each monitor is 1920x1080 and\n\t * the monitors are in grid like this\n\t *\n\t * +---+---+---+\n\t * | A | B | C |\n\t * +---+---+---+\n\t * | D | E | F |\n\t * +---+---+---+\n\t *\n\t * then for each monitor you would call it like this\n\t *\n\t * const w = 1920;\n\t * const h = 1080;\n\t * const fullWidth = w * 3;\n\t * const fullHeight = h * 2;\n\t *\n\t * --A--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 0, w, h );\n\t * --B--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 0, w, h );\n\t * --C--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 0, w, h );\n\t * --D--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 1, w, h );\n\t * --E--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 1, w, h );\n\t * --F--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 1, w, h );\n\t *\n\t * Note there is no reason monitors have to be the same size or in a grid.\n\t */\n\tsetViewOffset( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\tthis.aspect = fullWidth / fullHeight;\n\n\t\tif ( this.view === null ) {\n\n\t\t\tthis.view = {\n\t\t\t\tenabled: true,\n\t\t\t\tfullWidth: 1,\n\t\t\t\tfullHeight: 1,\n\t\t\t\toffsetX: 0,\n\t\t\t\toffsetY: 0,\n\t\t\t\twidth: 1,\n\t\t\t\theight: 1\n\t\t\t};\n\n\t\t}\n\n\t\tthis.view.enabled = true;\n\t\tthis.view.fullWidth = fullWidth;\n\t\tthis.view.fullHeight = fullHeight;\n\t\tthis.view.offsetX = x;\n\t\tthis.view.offsetY = y;\n\t\tthis.view.width = width;\n\t\tthis.view.height = height;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tclearViewOffset() {\n\n\t\tif ( this.view !== null ) {\n\n\t\t\tthis.view.enabled = false;\n\n\t\t}\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tupdateProjectionMatrix() {\n\n\t\tconst near = this.near;\n\t\tlet top = near * Math.tan( DEG2RAD * 0.5 * this.fov ) / this.zoom;\n\t\tlet height = 2 * top;\n\t\tlet width = this.aspect * height;\n\t\tlet left = - 0.5 * width;\n\t\tconst view = this.view;\n\n\t\tif ( this.view !== null && this.view.enabled ) {\n\n\t\t\tconst fullWidth = view.fullWidth,\n\t\t\t\tfullHeight = view.fullHeight;\n\n\t\t\tleft += view.offsetX * width / fullWidth;\n\t\t\ttop -= view.offsetY * height / fullHeight;\n\t\t\twidth *= view.width / fullWidth;\n\t\t\theight *= view.height / fullHeight;\n\n\t\t}\n\n\t\tconst skew = this.filmOffset;\n\t\tif ( skew !== 0 ) left += near * skew / this.getFilmWidth();\n\n\t\tthis.projectionMatrix.makePerspective( left, left + width, top, top - height, near, this.far );\n\n\t\tthis.projectionMatrixInverse.copy( this.projectionMatrix ).invert();\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.fov = this.fov;\n\t\tdata.object.zoom = this.zoom;\n\n\t\tdata.object.near = this.near;\n\t\tdata.object.far = this.far;\n\t\tdata.object.focus = this.focus;\n\n\t\tdata.object.aspect = this.aspect;\n\n\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\tdata.object.filmGauge = this.filmGauge;\n\t\tdata.object.filmOffset = this.filmOffset;\n\n\t\treturn data;\n\n\t}\n\n}\n\nPerspectiveCamera.prototype.isPerspectiveCamera = true;\n\nconst fov = 90, aspect = 1;\n\nclass CubeCamera extends Object3D {\n\n\tconstructor( near, far, renderTarget ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CubeCamera';\n\n\t\tif ( renderTarget.isWebGLCubeRenderTarget !== true ) {\n\n\t\t\tconsole.error( 'THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis.renderTarget = renderTarget;\n\n\t\tconst cameraPX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPX.layers = this.layers;\n\t\tcameraPX.up.set( 0, - 1, 0 );\n\t\tcameraPX.lookAt( new Vector3( 1, 0, 0 ) );\n\t\tthis.add( cameraPX );\n\n\t\tconst cameraNX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNX.layers = this.layers;\n\t\tcameraNX.up.set( 0, - 1, 0 );\n\t\tcameraNX.lookAt( new Vector3( - 1, 0, 0 ) );\n\t\tthis.add( cameraNX );\n\n\t\tconst cameraPY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPY.layers = this.layers;\n\t\tcameraPY.up.set( 0, 0, 1 );\n\t\tcameraPY.lookAt( new Vector3( 0, 1, 0 ) );\n\t\tthis.add( cameraPY );\n\n\t\tconst cameraNY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNY.layers = this.layers;\n\t\tcameraNY.up.set( 0, 0, - 1 );\n\t\tcameraNY.lookAt( new Vector3( 0, - 1, 0 ) );\n\t\tthis.add( cameraNY );\n\n\t\tconst cameraPZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPZ.layers = this.layers;\n\t\tcameraPZ.up.set( 0, - 1, 0 );\n\t\tcameraPZ.lookAt( new Vector3( 0, 0, 1 ) );\n\t\tthis.add( cameraPZ );\n\n\t\tconst cameraNZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNZ.layers = this.layers;\n\t\tcameraNZ.up.set( 0, - 1, 0 );\n\t\tcameraNZ.lookAt( new Vector3( 0, 0, - 1 ) );\n\t\tthis.add( cameraNZ );\n\n\t}\n\n\tupdate( renderer, scene ) {\n\n\t\tif ( this.parent === null ) this.updateMatrixWorld();\n\n\t\tconst renderTarget = this.renderTarget;\n\n\t\tconst [ cameraPX, cameraNX, cameraPY, cameraNY, cameraPZ, cameraNZ ] = this.children;\n\n\t\tconst currentXrEnabled = renderer.xr.enabled;\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\trenderer.xr.enabled = false;\n\n\t\tconst generateMipmaps = renderTarget.texture.generateMipmaps;\n\n\t\trenderTarget.texture.generateMipmaps = false;\n\n\t\trenderer.setRenderTarget( renderTarget, 0 );\n\t\trenderer.render( scene, cameraPX );\n\n\t\trenderer.setRenderTarget( renderTarget, 1 );\n\t\trenderer.render( scene, cameraNX );\n\n\t\trenderer.setRenderTarget( renderTarget, 2 );\n\t\trenderer.render( scene, cameraPY );\n\n\t\trenderer.setRenderTarget( renderTarget, 3 );\n\t\trenderer.render( scene, cameraNY );\n\n\t\trenderer.setRenderTarget( renderTarget, 4 );\n\t\trenderer.render( scene, cameraPZ );\n\n\t\trenderTarget.texture.generateMipmaps = generateMipmaps;\n\n\t\trenderer.setRenderTarget( renderTarget, 5 );\n\t\trenderer.render( scene, cameraNZ );\n\n\t\trenderer.setRenderTarget( currentRenderTarget );\n\n\t\trenderer.xr.enabled = currentXrEnabled;\n\n\t}\n\n}\n\nclass CubeTexture extends Texture {\n\n\tconstructor( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) {\n\n\t\timages = images !== undefined ? images : [];\n\t\tmapping = mapping !== undefined ? mapping : CubeReflectionMapping;\n\n\t\tsuper( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.flipY = false;\n\n\t}\n\n\tget images() {\n\n\t\treturn this.image;\n\n\t}\n\n\tset images( value ) {\n\n\t\tthis.image = value;\n\n\t}\n\n}\n\nCubeTexture.prototype.isCubeTexture = true;\n\nclass WebGLCubeRenderTarget extends WebGLRenderTarget {\n\n\tconstructor( size, options, dummy ) {\n\n\t\tif ( Number.isInteger( options ) ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLCubeRenderTarget: constructor signature is now WebGLCubeRenderTarget( size, options )' );\n\n\t\t\toptions = dummy;\n\n\t\t}\n\n\t\tsuper( size, size, options );\n\n\t\toptions = options || {};\n\n\t\t// By convention -- likely based on the RenderMan spec from the 1990's -- cube maps are specified by WebGL (and three.js)\n\t\t// in a coordinate system in which positive-x is to the right when looking up the positive-z axis -- in other words,\n\t\t// in a left-handed coordinate system. By continuing this convention, preexisting cube maps continued to render correctly.\n\n\t\t// three.js uses a right-handed coordinate system. So environment maps used in three.js appear to have px and nx swapped\n\t\t// and the flag isRenderTargetTexture controls this conversion. The flip is not required when using WebGLCubeRenderTarget.texture\n\t\t// as a cube texture (this is detected when isRenderTargetTexture is set to true for cube textures).\n\n\t\tthis.texture = new CubeTexture( undefined, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding );\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t\tthis.texture.generateMipmaps = options.generateMipmaps !== undefined ? options.generateMipmaps : false;\n\t\tthis.texture.minFilter = options.minFilter !== undefined ? options.minFilter : LinearFilter;\n\n\t\tthis.texture._needsFlipEnvMap = false;\n\n\t}\n\n\tfromEquirectangularTexture( renderer, texture ) {\n\n\t\tthis.texture.type = texture.type;\n\t\tthis.texture.format = RGBAFormat; // see #18859\n\t\tthis.texture.encoding = texture.encoding;\n\n\t\tthis.texture.generateMipmaps = texture.generateMipmaps;\n\t\tthis.texture.minFilter = texture.minFilter;\n\t\tthis.texture.magFilter = texture.magFilter;\n\n\t\tconst shader = {\n\n\t\t\tuniforms: {\n\t\t\t\ttEquirect: { value: null },\n\t\t\t},\n\n\t\t\tvertexShader: /* glsl */`\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include \n\t\t\t\t\t#include \n\n\t\t\t\t}\n\t\t\t`,\n\n\t\t\tfragmentShader: /* glsl */`\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include \n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t`\n\t\t};\n\n\t\tconst geometry = new BoxGeometry( 5, 5, 5 );\n\n\t\tconst material = new ShaderMaterial( {\n\n\t\t\tname: 'CubemapFromEquirect',\n\n\t\t\tuniforms: cloneUniforms( shader.uniforms ),\n\t\t\tvertexShader: shader.vertexShader,\n\t\t\tfragmentShader: shader.fragmentShader,\n\t\t\tside: BackSide,\n\t\t\tblending: NoBlending\n\n\t\t} );\n\n\t\tmaterial.uniforms.tEquirect.value = texture;\n\n\t\tconst mesh = new Mesh( geometry, material );\n\n\t\tconst currentMinFilter = texture.minFilter;\n\n\t\t// Avoid blurred poles\n\t\tif ( texture.minFilter === LinearMipmapLinearFilter ) texture.minFilter = LinearFilter;\n\n\t\tconst camera = new CubeCamera( 1, 10, this );\n\t\tcamera.update( renderer, mesh );\n\n\t\ttexture.minFilter = currentMinFilter;\n\n\t\tmesh.geometry.dispose();\n\t\tmesh.material.dispose();\n\n\t\treturn this;\n\n\t}\n\n\tclear( renderer, color, depth, stencil ) {\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\trenderer.setRenderTarget( this, i );\n\n\t\t\trenderer.clear( color, depth, stencil );\n\n\t\t}\n\n\t\trenderer.setRenderTarget( currentRenderTarget );\n\n\t}\n\n}\n\nWebGLCubeRenderTarget.prototype.isWebGLCubeRenderTarget = true;\n\nconst _vector1 = /*@__PURE__*/ new Vector3();\nconst _vector2 = /*@__PURE__*/ new Vector3();\nconst _normalMatrix = /*@__PURE__*/ new Matrix3();\n\nclass Plane {\n\n\tconstructor( normal = new Vector3( 1, 0, 0 ), constant = 0 ) {\n\n\t\t// normal is assumed to be normalized\n\n\t\tthis.normal = normal;\n\t\tthis.constant = constant;\n\n\t}\n\n\tset( normal, constant ) {\n\n\t\tthis.normal.copy( normal );\n\t\tthis.constant = constant;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponents( x, y, z, w ) {\n\n\t\tthis.normal.set( x, y, z );\n\t\tthis.constant = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromNormalAndCoplanarPoint( normal, point ) {\n\n\t\tthis.normal.copy( normal );\n\t\tthis.constant = - point.dot( this.normal );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCoplanarPoints( a, b, c ) {\n\n\t\tconst normal = _vector1.subVectors( c, b ).cross( _vector2.subVectors( a, b ) ).normalize();\n\n\t\t// Q: should an error be thrown if normal is zero (e.g. degenerate plane)?\n\n\t\tthis.setFromNormalAndCoplanarPoint( normal, a );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( plane ) {\n\n\t\tthis.normal.copy( plane.normal );\n\t\tthis.constant = plane.constant;\n\n\t\treturn this;\n\n\t}\n\n\tnormalize() {\n\n\t\t// Note: will lead to a divide by zero if the plane is invalid.\n\n\t\tconst inverseNormalLength = 1.0 / this.normal.length();\n\t\tthis.normal.multiplyScalar( inverseNormalLength );\n\t\tthis.constant *= inverseNormalLength;\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.constant *= - 1;\n\t\tthis.normal.negate();\n\n\t\treturn this;\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn this.normal.dot( point ) + this.constant;\n\n\t}\n\n\tdistanceToSphere( sphere ) {\n\n\t\treturn this.distanceToPoint( sphere.center ) - sphere.radius;\n\n\t}\n\n\tprojectPoint( point, target ) {\n\n\t\treturn target.copy( this.normal ).multiplyScalar( - this.distanceToPoint( point ) ).add( point );\n\n\t}\n\n\tintersectLine( line, target ) {\n\n\t\tconst direction = line.delta( _vector1 );\n\n\t\tconst denominator = this.normal.dot( direction );\n\n\t\tif ( denominator === 0 ) {\n\n\t\t\t// line is coplanar, return origin\n\t\t\tif ( this.distanceToPoint( line.start ) === 0 ) {\n\n\t\t\t\treturn target.copy( line.start );\n\n\t\t\t}\n\n\t\t\t// Unsure if this is the correct method to handle this case.\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst t = - ( line.start.dot( this.normal ) + this.constant ) / denominator;\n\n\t\tif ( t < 0 || t > 1 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\treturn target.copy( direction ).multiplyScalar( t ).add( line.start );\n\n\t}\n\n\tintersectsLine( line ) {\n\n\t\t// Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it.\n\n\t\tconst startSign = this.distanceToPoint( line.start );\n\t\tconst endSign = this.distanceToPoint( line.end );\n\n\t\treturn ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsPlane( this );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\treturn sphere.intersectsPlane( this );\n\n\t}\n\n\tcoplanarPoint( target ) {\n\n\t\treturn target.copy( this.normal ).multiplyScalar( - this.constant );\n\n\t}\n\n\tapplyMatrix4( matrix, optionalNormalMatrix ) {\n\n\t\tconst normalMatrix = optionalNormalMatrix || _normalMatrix.getNormalMatrix( matrix );\n\n\t\tconst referencePoint = this.coplanarPoint( _vector1 ).applyMatrix4( matrix );\n\n\t\tconst normal = this.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\tthis.constant = - referencePoint.dot( normal );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.constant -= offset.dot( this.normal );\n\n\t\treturn this;\n\n\t}\n\n\tequals( plane ) {\n\n\t\treturn plane.normal.equals( this.normal ) && ( plane.constant === this.constant );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nPlane.prototype.isPlane = true;\n\nconst _sphere$2 = /*@__PURE__*/ new Sphere();\nconst _vector$7 = /*@__PURE__*/ new Vector3();\n\nclass Frustum {\n\n\tconstructor( p0 = new Plane(), p1 = new Plane(), p2 = new Plane(), p3 = new Plane(), p4 = new Plane(), p5 = new Plane() ) {\n\n\t\tthis.planes = [ p0, p1, p2, p3, p4, p5 ];\n\n\t}\n\n\tset( p0, p1, p2, p3, p4, p5 ) {\n\n\t\tconst planes = this.planes;\n\n\t\tplanes[ 0 ].copy( p0 );\n\t\tplanes[ 1 ].copy( p1 );\n\t\tplanes[ 2 ].copy( p2 );\n\t\tplanes[ 3 ].copy( p3 );\n\t\tplanes[ 4 ].copy( p4 );\n\t\tplanes[ 5 ].copy( p5 );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( frustum ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tplanes[ i ].copy( frustum.planes[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromProjectionMatrix( m ) {\n\n\t\tconst planes = this.planes;\n\t\tconst me = m.elements;\n\t\tconst me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ];\n\t\tconst me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ];\n\t\tconst me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ];\n\t\tconst me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ];\n\n\t\tplanes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize();\n\t\tplanes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize();\n\t\tplanes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize();\n\t\tplanes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize();\n\t\tplanes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize();\n\t\tplanes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize();\n\n\t\treturn this;\n\n\t}\n\n\tintersectsObject( object ) {\n\n\t\tconst geometry = object.geometry;\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere$2.copy( geometry.boundingSphere ).applyMatrix4( object.matrixWorld );\n\n\t\treturn this.intersectsSphere( _sphere$2 );\n\n\t}\n\n\tintersectsSprite( sprite ) {\n\n\t\t_sphere$2.center.set( 0, 0, 0 );\n\t\t_sphere$2.radius = 0.7071067811865476;\n\t\t_sphere$2.applyMatrix4( sprite.matrixWorld );\n\n\t\treturn this.intersectsSphere( _sphere$2 );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\tconst planes = this.planes;\n\t\tconst center = sphere.center;\n\t\tconst negRadius = - sphere.radius;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst distance = planes[ i ].distanceToPoint( center );\n\n\t\t\tif ( distance < negRadius ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst plane = planes[ i ];\n\n\t\t\t// corner at max distance\n\n\t\t\t_vector$7.x = plane.normal.x > 0 ? box.max.x : box.min.x;\n\t\t\t_vector$7.y = plane.normal.y > 0 ? box.max.y : box.min.y;\n\t\t\t_vector$7.z = plane.normal.z > 0 ? box.max.z : box.min.z;\n\n\t\t\tif ( plane.distanceToPoint( _vector$7 ) < 0 ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tif ( planes[ i ].distanceToPoint( point ) < 0 ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nfunction WebGLAnimation() {\n\n\tlet context = null;\n\tlet isAnimating = false;\n\tlet animationLoop = null;\n\tlet requestId = null;\n\n\tfunction onAnimationFrame( time, frame ) {\n\n\t\tanimationLoop( time, frame );\n\n\t\trequestId = context.requestAnimationFrame( onAnimationFrame );\n\n\t}\n\n\treturn {\n\n\t\tstart: function () {\n\n\t\t\tif ( isAnimating === true ) return;\n\t\t\tif ( animationLoop === null ) return;\n\n\t\t\trequestId = context.requestAnimationFrame( onAnimationFrame );\n\n\t\t\tisAnimating = true;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tcontext.cancelAnimationFrame( requestId );\n\n\t\t\tisAnimating = false;\n\n\t\t},\n\n\t\tsetAnimationLoop: function ( callback ) {\n\n\t\t\tanimationLoop = callback;\n\n\t\t},\n\n\t\tsetContext: function ( value ) {\n\n\t\t\tcontext = value;\n\n\t\t}\n\n\t};\n\n}\n\nfunction WebGLAttributes( gl, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tconst buffers = new WeakMap();\n\n\tfunction createBuffer( attribute, bufferType ) {\n\n\t\tconst array = attribute.array;\n\t\tconst usage = attribute.usage;\n\n\t\tconst buffer = gl.createBuffer();\n\n\t\tgl.bindBuffer( bufferType, buffer );\n\t\tgl.bufferData( bufferType, array, usage );\n\n\t\tattribute.onUploadCallback();\n\n\t\tlet type = 5126;\n\n\t\tif ( array instanceof Float32Array ) {\n\n\t\t\ttype = 5126;\n\n\t\t} else if ( array instanceof Float64Array ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLAttributes: Unsupported data buffer format: Float64Array.' );\n\n\t\t} else if ( array instanceof Uint16Array ) {\n\n\t\t\tif ( attribute.isFloat16BufferAttribute ) {\n\n\t\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\t\ttype = 5131;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2.' );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\ttype = 5123;\n\n\t\t\t}\n\n\t\t} else if ( array instanceof Int16Array ) {\n\n\t\t\ttype = 5122;\n\n\t\t} else if ( array instanceof Uint32Array ) {\n\n\t\t\ttype = 5125;\n\n\t\t} else if ( array instanceof Int32Array ) {\n\n\t\t\ttype = 5124;\n\n\t\t} else if ( array instanceof Int8Array ) {\n\n\t\t\ttype = 5120;\n\n\t\t} else if ( array instanceof Uint8Array ) {\n\n\t\t\ttype = 5121;\n\n\t\t} else if ( array instanceof Uint8ClampedArray ) {\n\n\t\t\ttype = 5121;\n\n\t\t}\n\n\t\treturn {\n\t\t\tbuffer: buffer,\n\t\t\ttype: type,\n\t\t\tbytesPerElement: array.BYTES_PER_ELEMENT,\n\t\t\tversion: attribute.version\n\t\t};\n\n\t}\n\n\tfunction updateBuffer( buffer, attribute, bufferType ) {\n\n\t\tconst array = attribute.array;\n\t\tconst updateRange = attribute.updateRange;\n\n\t\tgl.bindBuffer( bufferType, buffer );\n\n\t\tif ( updateRange.count === - 1 ) {\n\n\t\t\t// Not using update ranges\n\n\t\t\tgl.bufferSubData( bufferType, 0, array );\n\n\t\t} else {\n\n\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\tgl.bufferSubData( bufferType, updateRange.offset * array.BYTES_PER_ELEMENT,\n\t\t\t\t\tarray, updateRange.offset, updateRange.count );\n\n\t\t\t} else {\n\n\t\t\t\tgl.bufferSubData( bufferType, updateRange.offset * array.BYTES_PER_ELEMENT,\n\t\t\t\t\tarray.subarray( updateRange.offset, updateRange.offset + updateRange.count ) );\n\n\t\t\t}\n\n\t\t\tupdateRange.count = - 1; // reset range\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction get( attribute ) {\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\treturn buffers.get( attribute );\n\n\t}\n\n\tfunction remove( attribute ) {\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\tconst data = buffers.get( attribute );\n\n\t\tif ( data ) {\n\n\t\t\tgl.deleteBuffer( data.buffer );\n\n\t\t\tbuffers.delete( attribute );\n\n\t\t}\n\n\t}\n\n\tfunction update( attribute, bufferType ) {\n\n\t\tif ( attribute.isGLBufferAttribute ) {\n\n\t\t\tconst cached = buffers.get( attribute );\n\n\t\t\tif ( ! cached || cached.version < attribute.version ) {\n\n\t\t\t\tbuffers.set( attribute, {\n\t\t\t\t\tbuffer: attribute.buffer,\n\t\t\t\t\ttype: attribute.type,\n\t\t\t\t\tbytesPerElement: attribute.elementSize,\n\t\t\t\t\tversion: attribute.version\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\tconst data = buffers.get( attribute );\n\n\t\tif ( data === undefined ) {\n\n\t\t\tbuffers.set( attribute, createBuffer( attribute, bufferType ) );\n\n\t\t} else if ( data.version < attribute.version ) {\n\n\t\t\tupdateBuffer( data.buffer, attribute, bufferType );\n\n\t\t\tdata.version = attribute.version;\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\tget: get,\n\t\tremove: remove,\n\t\tupdate: update\n\n\t};\n\n}\n\nclass PlaneGeometry extends BufferGeometry {\n\n\tconstructor( width = 1, height = 1, widthSegments = 1, heightSegments = 1 ) {\n\n\t\tsuper();\n\t\tthis.type = 'PlaneGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tconst width_half = width / 2;\n\t\tconst height_half = height / 2;\n\n\t\tconst gridX = Math.floor( widthSegments );\n\t\tconst gridY = Math.floor( heightSegments );\n\n\t\tconst gridX1 = gridX + 1;\n\t\tconst gridY1 = gridY + 1;\n\n\t\tconst segment_width = width / gridX;\n\t\tconst segment_height = height / gridY;\n\n\t\t//\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\tfor ( let iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\tconst y = iy * segment_height - height_half;\n\n\t\t\tfor ( let ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\tconst x = ix * segment_width - width_half;\n\n\t\t\t\tvertices.push( x, - y, 0 );\n\n\t\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t\tuvs.push( ix / gridX );\n\t\t\t\tuvs.push( 1 - ( iy / gridY ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfor ( let iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\tfor ( let ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\tconst a = ix + gridX1 * iy;\n\t\t\t\tconst b = ix + gridX1 * ( iy + 1 );\n\t\t\t\tconst c = ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\tconst d = ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new PlaneGeometry( data.width, data.height, data.widthSegments, data.heightSegments );\n\n\t}\n\n}\n\nvar alphamap_fragment = \"#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\\n#endif\";\n\nvar alphamap_pars_fragment = \"#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\";\n\nvar alphatest_fragment = \"#ifdef USE_ALPHATEST\\n\\tif ( diffuseColor.a < alphaTest ) discard;\\n#endif\";\n\nvar alphatest_pars_fragment = \"#ifdef USE_ALPHATEST\\n\\tuniform float alphaTest;\\n#endif\";\n\nvar aomap_fragment = \"#ifdef USE_AOMAP\\n\\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\\n\\treflectedLight.indirectDiffuse *= ambientOcclusion;\\n\\t#if defined( USE_ENVMAP ) && defined( STANDARD )\\n\\t\\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\\n\\t\\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\\n\\t#endif\\n#endif\";\n\nvar aomap_pars_fragment = \"#ifdef USE_AOMAP\\n\\tuniform sampler2D aoMap;\\n\\tuniform float aoMapIntensity;\\n#endif\";\n\nvar begin_vertex = \"vec3 transformed = vec3( position );\";\n\nvar beginnormal_vertex = \"vec3 objectNormal = vec3( normal );\\n#ifdef USE_TANGENT\\n\\tvec3 objectTangent = vec3( tangent.xyz );\\n#endif\";\n\nvar bsdfs = \"vec3 BRDF_Lambert( const in vec3 diffuseColor ) {\\n\\treturn RECIPROCAL_PI * diffuseColor;\\n}\\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\\n\\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\\n\\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\\n}\\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\treturn 0.5 / max( gv + gl, EPSILON );\\n}\\nfloat D_GGX( const in float alpha, const in float dotNH ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\\n\\treturn RECIPROCAL_PI * a2 / pow2( denom );\\n}\\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 f0, const in float f90, const in float roughness ) {\\n\\tfloat alpha = pow2( roughness );\\n\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\tfloat dotNL = saturate( dot( normal, lightDir ) );\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\\n\\tvec3 F = F_Schlick( f0, f90, dotVH );\\n\\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\\n\\tfloat D = D_GGX( alpha, dotNH );\\n\\treturn F * ( V * D );\\n}\\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\\n\\tconst float LUT_SIZE = 64.0;\\n\\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\\n\\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\\n\\tfloat dotNV = saturate( dot( N, V ) );\\n\\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\\n\\tuv = uv * LUT_SCALE + LUT_BIAS;\\n\\treturn uv;\\n}\\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\\n\\tfloat l = length( f );\\n\\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\\n}\\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\\n\\tfloat x = dot( v1, v2 );\\n\\tfloat y = abs( x );\\n\\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\\n\\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\\n\\tfloat v = a / b;\\n\\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\\n\\treturn cross( v1, v2 ) * theta_sintheta;\\n}\\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\\n\\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\\n\\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\\n\\tvec3 lightNormal = cross( v1, v2 );\\n\\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\\n\\tvec3 T1, T2;\\n\\tT1 = normalize( V - N * dot( V, N ) );\\n\\tT2 = - cross( N, T1 );\\n\\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\\n\\tvec3 coords[ 4 ];\\n\\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\\n\\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\\n\\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\\n\\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\\n\\tcoords[ 0 ] = normalize( coords[ 0 ] );\\n\\tcoords[ 1 ] = normalize( coords[ 1 ] );\\n\\tcoords[ 2 ] = normalize( coords[ 2 ] );\\n\\tcoords[ 3 ] = normalize( coords[ 3 ] );\\n\\tvec3 vectorFormFactor = vec3( 0.0 );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\\n\\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\\n\\treturn vec3( result );\\n}\\nfloat G_BlinnPhong_Implicit( ) {\\n\\treturn 0.25;\\n}\\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\\n\\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\\n}\\nvec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\\n\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, 1.0, dotVH );\\n\\tfloat G = G_BlinnPhong_Implicit( );\\n\\tfloat D = D_BlinnPhong( shininess, dotNH );\\n\\treturn F * ( G * D );\\n}\\n#if defined( USE_SHEEN )\\nfloat D_Charlie( float roughness, float dotNH ) {\\n\\tfloat alpha = pow2( roughness );\\n\\tfloat invAlpha = 1.0 / alpha;\\n\\tfloat cos2h = dotNH * dotNH;\\n\\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\\n\\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\\n}\\nfloat V_Neubelt( float dotNV, float dotNL ) {\\n\\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\\n}\\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\\n\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\tfloat dotNL = saturate( dot( normal, lightDir ) );\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat D = D_Charlie( sheenRoughness, dotNH );\\n\\tfloat V = V_Neubelt( dotNV, dotNL );\\n\\treturn sheenColor * ( D * V );\\n}\\n#endif\";\n\nvar bumpmap_pars_fragment = \"#ifdef USE_BUMPMAP\\n\\tuniform sampler2D bumpMap;\\n\\tuniform float bumpScale;\\n\\tvec2 dHdxy_fwd() {\\n\\t\\tvec2 dSTdx = dFdx( vUv );\\n\\t\\tvec2 dSTdy = dFdy( vUv );\\n\\t\\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\\n\\t\\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\\n\\t\\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\\n\\t\\treturn vec2( dBx, dBy );\\n\\t}\\n\\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\\n\\t\\tvec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );\\n\\t\\tvec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );\\n\\t\\tvec3 vN = surf_norm;\\n\\t\\tvec3 R1 = cross( vSigmaY, vN );\\n\\t\\tvec3 R2 = cross( vN, vSigmaX );\\n\\t\\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\\n\\t\\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\\n\\t\\treturn normalize( abs( fDet ) * surf_norm - vGrad );\\n\\t}\\n#endif\";\n\nvar clipping_planes_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvec4 plane;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\\n\\t\\tplane = clippingPlanes[ i ];\\n\\t\\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\\n\\t\\tbool clipped = true;\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\\n\\t\\t\\tplane = clippingPlanes[ i ];\\n\\t\\t\\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t\\tif ( clipped ) discard;\\n\\t#endif\\n#endif\";\n\nvar clipping_planes_pars_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvarying vec3 vClipPosition;\\n\\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\\n#endif\";\n\nvar clipping_planes_pars_vertex = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvarying vec3 vClipPosition;\\n#endif\";\n\nvar clipping_planes_vertex = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvClipPosition = - mvPosition.xyz;\\n#endif\";\n\nvar color_fragment = \"#if defined( USE_COLOR_ALPHA )\\n\\tdiffuseColor *= vColor;\\n#elif defined( USE_COLOR )\\n\\tdiffuseColor.rgb *= vColor;\\n#endif\";\n\nvar color_pars_fragment = \"#if defined( USE_COLOR_ALPHA )\\n\\tvarying vec4 vColor;\\n#elif defined( USE_COLOR )\\n\\tvarying vec3 vColor;\\n#endif\";\n\nvar color_pars_vertex = \"#if defined( USE_COLOR_ALPHA )\\n\\tvarying vec4 vColor;\\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\\n\\tvarying vec3 vColor;\\n#endif\";\n\nvar color_vertex = \"#if defined( USE_COLOR_ALPHA )\\n\\tvColor = vec4( 1.0 );\\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\\n\\tvColor = vec3( 1.0 );\\n#endif\\n#ifdef USE_COLOR\\n\\tvColor *= color;\\n#endif\\n#ifdef USE_INSTANCING_COLOR\\n\\tvColor.xyz *= instanceColor.xyz;\\n#endif\";\n\nvar common = \"#define PI 3.141592653589793\\n#define PI2 6.283185307179586\\n#define PI_HALF 1.5707963267948966\\n#define RECIPROCAL_PI 0.3183098861837907\\n#define RECIPROCAL_PI2 0.15915494309189535\\n#define EPSILON 1e-6\\n#ifndef saturate\\n#define saturate( a ) clamp( a, 0.0, 1.0 )\\n#endif\\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\\nfloat pow2( const in float x ) { return x*x; }\\nfloat pow3( const in float x ) { return x*x*x; }\\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\\nhighp float rand( const in vec2 uv ) {\\n\\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\\n\\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\\n\\treturn fract( sin( sn ) * c );\\n}\\n#ifdef HIGH_PRECISION\\n\\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\\n#else\\n\\tfloat precisionSafeLength( vec3 v ) {\\n\\t\\tfloat maxComponent = max3( abs( v ) );\\n\\t\\treturn length( v / maxComponent ) * maxComponent;\\n\\t}\\n#endif\\nstruct IncidentLight {\\n\\tvec3 color;\\n\\tvec3 direction;\\n\\tbool visible;\\n};\\nstruct ReflectedLight {\\n\\tvec3 directDiffuse;\\n\\tvec3 directSpecular;\\n\\tvec3 indirectDiffuse;\\n\\tvec3 indirectSpecular;\\n};\\nstruct GeometricContext {\\n\\tvec3 position;\\n\\tvec3 normal;\\n\\tvec3 viewDir;\\n#ifdef USE_CLEARCOAT\\n\\tvec3 clearcoatNormal;\\n#endif\\n};\\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\\n}\\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\\n}\\nmat3 transposeMat3( const in mat3 m ) {\\n\\tmat3 tmp;\\n\\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\\n\\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\\n\\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\\n\\treturn tmp;\\n}\\nfloat linearToRelativeLuminance( const in vec3 color ) {\\n\\tvec3 weights = vec3( 0.2126, 0.7152, 0.0722 );\\n\\treturn dot( weights, color.rgb );\\n}\\nbool isPerspectiveMatrix( mat4 m ) {\\n\\treturn m[ 2 ][ 3 ] == - 1.0;\\n}\\nvec2 equirectUv( in vec3 dir ) {\\n\\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\\n\\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\\n\\treturn vec2( u, v );\\n}\";\n\nvar cube_uv_reflection_fragment = \"#ifdef ENVMAP_TYPE_CUBE_UV\\n\\t#define cubeUV_maxMipLevel 8.0\\n\\t#define cubeUV_minMipLevel 4.0\\n\\t#define cubeUV_maxTileSize 256.0\\n\\t#define cubeUV_minTileSize 16.0\\n\\tfloat getFace( vec3 direction ) {\\n\\t\\tvec3 absDirection = abs( direction );\\n\\t\\tfloat face = - 1.0;\\n\\t\\tif ( absDirection.x > absDirection.z ) {\\n\\t\\t\\tif ( absDirection.x > absDirection.y )\\n\\t\\t\\t\\tface = direction.x > 0.0 ? 0.0 : 3.0;\\n\\t\\t\\telse\\n\\t\\t\\t\\tface = direction.y > 0.0 ? 1.0 : 4.0;\\n\\t\\t} else {\\n\\t\\t\\tif ( absDirection.z > absDirection.y )\\n\\t\\t\\t\\tface = direction.z > 0.0 ? 2.0 : 5.0;\\n\\t\\t\\telse\\n\\t\\t\\t\\tface = direction.y > 0.0 ? 1.0 : 4.0;\\n\\t\\t}\\n\\t\\treturn face;\\n\\t}\\n\\tvec2 getUV( vec3 direction, float face ) {\\n\\t\\tvec2 uv;\\n\\t\\tif ( face == 0.0 ) {\\n\\t\\t\\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\\n\\t\\t} else if ( face == 1.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\\n\\t\\t} else if ( face == 2.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\\n\\t\\t} else if ( face == 3.0 ) {\\n\\t\\t\\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\\n\\t\\t} else if ( face == 4.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\\n\\t\\t} else {\\n\\t\\t\\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\\n\\t\\t}\\n\\t\\treturn 0.5 * ( uv + 1.0 );\\n\\t}\\n\\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\\n\\t\\tfloat face = getFace( direction );\\n\\t\\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\\n\\t\\tmipInt = max( mipInt, cubeUV_minMipLevel );\\n\\t\\tfloat faceSize = exp2( mipInt );\\n\\t\\tfloat texelSize = 1.0 / ( 3.0 * cubeUV_maxTileSize );\\n\\t\\tvec2 uv = getUV( direction, face ) * ( faceSize - 1.0 );\\n\\t\\tvec2 f = fract( uv );\\n\\t\\tuv += 0.5 - f;\\n\\t\\tif ( face > 2.0 ) {\\n\\t\\t\\tuv.y += faceSize;\\n\\t\\t\\tface -= 3.0;\\n\\t\\t}\\n\\t\\tuv.x += face * faceSize;\\n\\t\\tif ( mipInt < cubeUV_maxMipLevel ) {\\n\\t\\t\\tuv.y += 2.0 * cubeUV_maxTileSize;\\n\\t\\t}\\n\\t\\tuv.y += filterInt * 2.0 * cubeUV_minTileSize;\\n\\t\\tuv.x += 3.0 * max( 0.0, cubeUV_maxTileSize - 2.0 * faceSize );\\n\\t\\tuv *= texelSize;\\n\\t\\tvec3 tl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\\n\\t\\tuv.x += texelSize;\\n\\t\\tvec3 tr = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\\n\\t\\tuv.y += texelSize;\\n\\t\\tvec3 br = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\\n\\t\\tuv.x -= texelSize;\\n\\t\\tvec3 bl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\\n\\t\\tvec3 tm = mix( tl, tr, f.x );\\n\\t\\tvec3 bm = mix( bl, br, f.x );\\n\\t\\treturn mix( tm, bm, f.y );\\n\\t}\\n\\t#define r0 1.0\\n\\t#define v0 0.339\\n\\t#define m0 - 2.0\\n\\t#define r1 0.8\\n\\t#define v1 0.276\\n\\t#define m1 - 1.0\\n\\t#define r4 0.4\\n\\t#define v4 0.046\\n\\t#define m4 2.0\\n\\t#define r5 0.305\\n\\t#define v5 0.016\\n\\t#define m5 3.0\\n\\t#define r6 0.21\\n\\t#define v6 0.0038\\n\\t#define m6 4.0\\n\\tfloat roughnessToMip( float roughness ) {\\n\\t\\tfloat mip = 0.0;\\n\\t\\tif ( roughness >= r1 ) {\\n\\t\\t\\tmip = ( r0 - roughness ) * ( m1 - m0 ) / ( r0 - r1 ) + m0;\\n\\t\\t} else if ( roughness >= r4 ) {\\n\\t\\t\\tmip = ( r1 - roughness ) * ( m4 - m1 ) / ( r1 - r4 ) + m1;\\n\\t\\t} else if ( roughness >= r5 ) {\\n\\t\\t\\tmip = ( r4 - roughness ) * ( m5 - m4 ) / ( r4 - r5 ) + m4;\\n\\t\\t} else if ( roughness >= r6 ) {\\n\\t\\t\\tmip = ( r5 - roughness ) * ( m6 - m5 ) / ( r5 - r6 ) + m5;\\n\\t\\t} else {\\n\\t\\t\\tmip = - 2.0 * log2( 1.16 * roughness );\\t\\t}\\n\\t\\treturn mip;\\n\\t}\\n\\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\\n\\t\\tfloat mip = clamp( roughnessToMip( roughness ), m0, cubeUV_maxMipLevel );\\n\\t\\tfloat mipF = fract( mip );\\n\\t\\tfloat mipInt = floor( mip );\\n\\t\\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\\n\\t\\tif ( mipF == 0.0 ) {\\n\\t\\t\\treturn vec4( color0, 1.0 );\\n\\t\\t} else {\\n\\t\\t\\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\\n\\t\\t\\treturn vec4( mix( color0, color1, mipF ), 1.0 );\\n\\t\\t}\\n\\t}\\n#endif\";\n\nvar defaultnormal_vertex = \"vec3 transformedNormal = objectNormal;\\n#ifdef USE_INSTANCING\\n\\tmat3 m = mat3( instanceMatrix );\\n\\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\\n\\ttransformedNormal = m * transformedNormal;\\n#endif\\ntransformedNormal = normalMatrix * transformedNormal;\\n#ifdef FLIP_SIDED\\n\\ttransformedNormal = - transformedNormal;\\n#endif\\n#ifdef USE_TANGENT\\n\\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\\n\\t#ifdef FLIP_SIDED\\n\\t\\ttransformedTangent = - transformedTangent;\\n\\t#endif\\n#endif\";\n\nvar displacementmap_pars_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\tuniform sampler2D displacementMap;\\n\\tuniform float displacementScale;\\n\\tuniform float displacementBias;\\n#endif\";\n\nvar displacementmap_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );\\n#endif\";\n\nvar emissivemap_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\\n\\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\\n\\ttotalEmissiveRadiance *= emissiveColor.rgb;\\n#endif\";\n\nvar emissivemap_pars_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tuniform sampler2D emissiveMap;\\n#endif\";\n\nvar encodings_fragment = \"gl_FragColor = linearToOutputTexel( gl_FragColor );\";\n\nvar encodings_pars_fragment = \"\\nvec4 LinearToLinear( in vec4 value ) {\\n\\treturn value;\\n}\\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\\n\\treturn vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a );\\n}\\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\\n\\treturn vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a );\\n}\\nvec4 sRGBToLinear( in vec4 value ) {\\n\\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\\n}\\nvec4 LinearTosRGB( in vec4 value ) {\\n\\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\\n}\\nvec4 RGBEToLinear( in vec4 value ) {\\n\\treturn vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\\n}\\nvec4 LinearToRGBE( in vec4 value ) {\\n\\tfloat maxComponent = max( max( value.r, value.g ), value.b );\\n\\tfloat fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\\n\\treturn vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\\n}\\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\\n\\treturn vec4( value.rgb * value.a * maxRange, 1.0 );\\n}\\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\\n\\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\\n\\tfloat M = clamp( maxRGB / maxRange, 0.0, 1.0 );\\n\\tM = ceil( M * 255.0 ) / 255.0;\\n\\treturn vec4( value.rgb / ( M * maxRange ), M );\\n}\\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\\n\\treturn vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\\n}\\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\\n\\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\\n\\tfloat D = max( maxRange / maxRGB, 1.0 );\\n\\tD = clamp( floor( D ) / 255.0, 0.0, 1.0 );\\n\\treturn vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\\n}\";\n\nvar envmap_fragment = \"#ifdef USE_ENVMAP\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvec3 cameraToFrag;\\n\\t\\tif ( isOrthographic ) {\\n\\t\\t\\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\\n\\t\\t} else {\\n\\t\\t\\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\\n\\t\\t}\\n\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#else\\n\\t\\tvec3 reflectVec = vReflect;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\\n\\t\\tenvColor = envMapTexelToLinear( envColor );\\n\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\tvec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 );\\n\\t#else\\n\\t\\tvec4 envColor = vec4( 0.0 );\\n\\t#endif\\n\\t#ifdef ENVMAP_BLENDING_MULTIPLY\\n\\t\\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_MIX )\\n\\t\\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_ADD )\\n\\t\\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\\n\\t#endif\\n#endif\";\n\nvar envmap_common_pars_fragment = \"#ifdef USE_ENVMAP\\n\\tuniform float envMapIntensity;\\n\\tuniform float flipEnvMap;\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tuniform samplerCube envMap;\\n\\t#else\\n\\t\\tuniform sampler2D envMap;\\n\\t#endif\\n\\t\\n#endif\";\n\nvar envmap_pars_fragment = \"#ifdef USE_ENVMAP\\n\\tuniform float reflectivity;\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\\n\\t\\t#define ENV_WORLDPOS\\n\\t#endif\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t\\tuniform float refractionRatio;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t#endif\\n#endif\";\n\nvar envmap_pars_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG )\\n\\t\\t#define ENV_WORLDPOS\\n\\t#endif\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\t\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t\\tuniform float refractionRatio;\\n\\t#endif\\n#endif\";\n\nvar envmap_vertex = \"#ifdef USE_ENVMAP\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvWorldPosition = worldPosition.xyz;\\n\\t#else\\n\\t\\tvec3 cameraToVertex;\\n\\t\\tif ( isOrthographic ) {\\n\\t\\t\\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\\n\\t\\t} else {\\n\\t\\t\\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\\n\\t\\t}\\n\\t\\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvReflect = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#endif\\n#endif\";\n\nvar fog_vertex = \"#ifdef USE_FOG\\n\\tvFogDepth = - mvPosition.z;\\n#endif\";\n\nvar fog_pars_vertex = \"#ifdef USE_FOG\\n\\tvarying float vFogDepth;\\n#endif\";\n\nvar fog_fragment = \"#ifdef USE_FOG\\n\\t#ifdef FOG_EXP2\\n\\t\\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\\n\\t#else\\n\\t\\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\\n\\t#endif\\n\\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\\n#endif\";\n\nvar fog_pars_fragment = \"#ifdef USE_FOG\\n\\tuniform vec3 fogColor;\\n\\tvarying float vFogDepth;\\n\\t#ifdef FOG_EXP2\\n\\t\\tuniform float fogDensity;\\n\\t#else\\n\\t\\tuniform float fogNear;\\n\\t\\tuniform float fogFar;\\n\\t#endif\\n#endif\";\n\nvar gradientmap_pars_fragment = \"#ifdef USE_GRADIENTMAP\\n\\tuniform sampler2D gradientMap;\\n#endif\\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\\n\\tfloat dotNL = dot( normal, lightDirection );\\n\\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\\n\\t#ifdef USE_GRADIENTMAP\\n\\t\\treturn texture2D( gradientMap, coord ).rgb;\\n\\t#else\\n\\t\\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\\n\\t#endif\\n}\";\n\nvar lightmap_fragment = \"#ifdef USE_LIGHTMAP\\n\\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\\n\\tvec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\\n\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\tlightMapIrradiance *= PI;\\n\\t#endif\\n\\treflectedLight.indirectDiffuse += lightMapIrradiance;\\n#endif\";\n\nvar lightmap_pars_fragment = \"#ifdef USE_LIGHTMAP\\n\\tuniform sampler2D lightMap;\\n\\tuniform float lightMapIntensity;\\n#endif\";\n\nvar lights_lambert_vertex = \"vec3 diffuse = vec3( 1.0 );\\nGeometricContext geometry;\\ngeometry.position = mvPosition.xyz;\\ngeometry.normal = normalize( transformedNormal );\\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz );\\nGeometricContext backGeometry;\\nbackGeometry.position = geometry.position;\\nbackGeometry.normal = -geometry.normal;\\nbackGeometry.viewDir = geometry.viewDir;\\nvLightFront = vec3( 0.0 );\\nvIndirectFront = vec3( 0.0 );\\n#ifdef DOUBLE_SIDED\\n\\tvLightBack = vec3( 0.0 );\\n\\tvIndirectBack = vec3( 0.0 );\\n#endif\\nIncidentLight directLight;\\nfloat dotNL;\\nvec3 directLightColor_Diffuse;\\nvIndirectFront += getAmbientLightIrradiance( ambientLightColor );\\nvIndirectFront += getLightProbeIrradiance( lightProbe, geometry.normal );\\n#ifdef DOUBLE_SIDED\\n\\tvIndirectBack += getAmbientLightIrradiance( ambientLightColor );\\n\\tvIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry.normal );\\n#endif\\n#if NUM_POINT_LIGHTS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tgetPointLightInfo( pointLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tgetSpotLightInfo( spotLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if NUM_DIR_LIGHTS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tgetDirectionalLightInfo( directionalLights[ i ], geometry, directLight );\\n\\t\\tdotNL = dot( geometry.normal, directLight.direction );\\n\\t\\tdirectLightColor_Diffuse = directLight.color;\\n\\t\\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\\n\\t\\t#endif\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\tvIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal );\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\tvIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry.normal );\\n\\t\\t#endif\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\";\n\nvar lights_pars_begin = \"uniform bool receiveShadow;\\nuniform vec3 ambientLightColor;\\nuniform vec3 lightProbe[ 9 ];\\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\\n\\tfloat x = normal.x, y = normal.y, z = normal.z;\\n\\tvec3 result = shCoefficients[ 0 ] * 0.886227;\\n\\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\\n\\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\\n\\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\\n\\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\\n\\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\\n\\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\\n\\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\\n\\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\\n\\treturn result;\\n}\\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\\n\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\\n\\treturn irradiance;\\n}\\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\\n\\tvec3 irradiance = ambientLightColor;\\n\\treturn irradiance;\\n}\\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\\n\\t#if defined ( PHYSICALLY_CORRECT_LIGHTS )\\n\\t\\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\\n\\t\\tif ( cutoffDistance > 0.0 ) {\\n\\t\\t\\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\\n\\t\\t}\\n\\t\\treturn distanceFalloff;\\n\\t#else\\n\\t\\tif ( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\\n\\t\\t\\treturn pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent );\\n\\t\\t}\\n\\t\\treturn 1.0;\\n\\t#endif\\n}\\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\\n\\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\\n}\\n#if NUM_DIR_LIGHTS > 0\\n\\tstruct DirectionalLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t};\\n\\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\\n\\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight light ) {\\n\\t\\tlight.color = directionalLight.color;\\n\\t\\tlight.direction = directionalLight.direction;\\n\\t\\tlight.visible = true;\\n\\t}\\n#endif\\n#if NUM_POINT_LIGHTS > 0\\n\\tstruct PointLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t};\\n\\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\\n\\tvoid getPointLightInfo( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight light ) {\\n\\t\\tvec3 lVector = pointLight.position - geometry.position;\\n\\t\\tlight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tlight.color = pointLight.color;\\n\\t\\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\\n\\t\\tlight.visible = ( light.color != vec3( 0.0 ) );\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tstruct SpotLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tfloat coneCos;\\n\\t\\tfloat penumbraCos;\\n\\t};\\n\\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\\n\\tvoid getSpotLightInfo( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight light ) {\\n\\t\\tvec3 lVector = spotLight.position - geometry.position;\\n\\t\\tlight.direction = normalize( lVector );\\n\\t\\tfloat angleCos = dot( light.direction, spotLight.direction );\\n\\t\\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\\n\\t\\tif ( spotAttenuation > 0.0 ) {\\n\\t\\t\\tfloat lightDistance = length( lVector );\\n\\t\\t\\tlight.color = spotLight.color * spotAttenuation;\\n\\t\\t\\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\\n\\t\\t\\tlight.visible = ( light.color != vec3( 0.0 ) );\\n\\t\\t} else {\\n\\t\\t\\tlight.color = vec3( 0.0 );\\n\\t\\t\\tlight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_RECT_AREA_LIGHTS > 0\\n\\tstruct RectAreaLight {\\n\\t\\tvec3 color;\\n\\t\\tvec3 position;\\n\\t\\tvec3 halfWidth;\\n\\t\\tvec3 halfHeight;\\n\\t};\\n\\tuniform sampler2D ltc_1;\\tuniform sampler2D ltc_2;\\n\\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tstruct HemisphereLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 skyColor;\\n\\t\\tvec3 groundColor;\\n\\t};\\n\\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\\n\\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\\n\\t\\tfloat dotNL = dot( normal, hemiLight.direction );\\n\\t\\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\\n\\t\\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\\n\\t\\treturn irradiance;\\n\\t}\\n#endif\";\n\nvar envmap_physical_pars_fragment = \"#if defined( USE_ENVMAP )\\n\\t#ifdef ENVMAP_MODE_REFRACTION\\n\\t\\tuniform float refractionRatio;\\n\\t#endif\\n\\tvec3 getIBLIrradiance( const in vec3 normal ) {\\n\\t\\t#if defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\\n\\t\\t\\treturn PI * envMapColor.rgb * envMapIntensity;\\n\\t\\t#else\\n\\t\\t\\treturn vec3( 0.0 );\\n\\t\\t#endif\\n\\t}\\n\\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\\n\\t\\t#if defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\t\\tvec3 reflectVec;\\n\\t\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\t\\treflectVec = reflect( - viewDir, normal );\\n\\t\\t\\t\\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\\n\\t\\t\\t#else\\n\\t\\t\\t\\treflectVec = refract( - viewDir, normal, refractionRatio );\\n\\t\\t\\t#endif\\n\\t\\t\\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\\n\\t\\t\\treturn envMapColor.rgb * envMapIntensity;\\n\\t\\t#else\\n\\t\\t\\treturn vec3( 0.0 );\\n\\t\\t#endif\\n\\t}\\n#endif\";\n\nvar lights_toon_fragment = \"ToonMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\";\n\nvar lights_toon_pars_fragment = \"varying vec3 vViewPosition;\\nstruct ToonMaterial {\\n\\tvec3 diffuseColor;\\n};\\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Toon\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Toon\\n#define Material_LightProbeLOD( material )\\t(0)\";\n\nvar lights_phong_fragment = \"BlinnPhongMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\\nmaterial.specularColor = specular;\\nmaterial.specularShininess = shininess;\\nmaterial.specularStrength = specularStrength;\";\n\nvar lights_phong_pars_fragment = \"varying vec3 vViewPosition;\\nstruct BlinnPhongMaterial {\\n\\tvec3 diffuseColor;\\n\\tvec3 specularColor;\\n\\tfloat specularShininess;\\n\\tfloat specularStrength;\\n};\\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n\\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularShininess ) * material.specularStrength;\\n}\\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_BlinnPhong\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_BlinnPhong\\n#define Material_LightProbeLOD( material )\\t(0)\";\n\nvar lights_physical_fragment = \"PhysicalMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\\nmaterial.roughness = min( material.roughness, 1.0 );\\n#ifdef IOR\\n\\t#ifdef SPECULAR\\n\\t\\tfloat specularIntensityFactor = specularIntensity;\\n\\t\\tvec3 specularColorFactor = specularColor;\\n\\t\\t#ifdef USE_SPECULARINTENSITYMAP\\n\\t\\t\\tspecularIntensityFactor *= texture2D( specularIntensityMap, vUv ).a;\\n\\t\\t#endif\\n\\t\\t#ifdef USE_SPECULARCOLORMAP\\n\\t\\t\\tspecularColorFactor *= specularColorMapTexelToLinear( texture2D( specularColorMap, vUv ) ).rgb;\\n\\t\\t#endif\\n\\t\\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\\n\\t#else\\n\\t\\tfloat specularIntensityFactor = 1.0;\\n\\t\\tvec3 specularColorFactor = vec3( 1.0 );\\n\\t\\tmaterial.specularF90 = 1.0;\\n\\t#endif\\n\\tmaterial.specularColor = mix( min( pow2( ( ior - 1.0 ) / ( ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\\n#else\\n\\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\\n\\tmaterial.specularF90 = 1.0;\\n#endif\\n#ifdef USE_CLEARCOAT\\n\\tmaterial.clearcoat = clearcoat;\\n\\tmaterial.clearcoatRoughness = clearcoatRoughness;\\n\\tmaterial.clearcoatF0 = vec3( 0.04 );\\n\\tmaterial.clearcoatF90 = 1.0;\\n\\t#ifdef USE_CLEARCOATMAP\\n\\t\\tmaterial.clearcoat *= texture2D( clearcoatMap, vUv ).x;\\n\\t#endif\\n\\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\t\\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y;\\n\\t#endif\\n\\tmaterial.clearcoat = saturate( material.clearcoat );\\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\\n\\tmaterial.clearcoatRoughness += geometryRoughness;\\n\\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\\n#endif\\n#ifdef USE_SHEEN\\n\\tmaterial.sheenColor = sheenColor;\\n\\t#ifdef USE_SHEENCOLORMAP\\n\\t\\tmaterial.sheenColor *= sheenColorMapTexelToLinear( texture2D( sheenColorMap, vUv ) ).rgb;\\n\\t#endif\\n\\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\\n\\t#ifdef USE_SHEENROUGHNESSMAP\\n\\t\\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vUv ).a;\\n\\t#endif\\n#endif\";\n\nvar lights_physical_pars_fragment = \"struct PhysicalMaterial {\\n\\tvec3 diffuseColor;\\n\\tfloat roughness;\\n\\tvec3 specularColor;\\n\\tfloat specularF90;\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat clearcoat;\\n\\t\\tfloat clearcoatRoughness;\\n\\t\\tvec3 clearcoatF0;\\n\\t\\tfloat clearcoatF90;\\n\\t#endif\\n\\t#ifdef USE_SHEEN\\n\\t\\tvec3 sheenColor;\\n\\t\\tfloat sheenRoughness;\\n\\t#endif\\n};\\nvec3 clearcoatSpecular = vec3( 0.0 );\\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\\n\\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\\n\\tvec4 r = roughness * c0 + c1;\\n\\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\\n\\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\\n\\treturn fab;\\n}\\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\\n\\tvec2 fab = DFGApprox( normal, viewDir, roughness );\\n\\treturn specularColor * fab.x + specularF90 * fab.y;\\n}\\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\\n\\tvec2 fab = DFGApprox( normal, viewDir, roughness );\\n\\tvec3 FssEss = specularColor * fab.x + specularF90 * fab.y;\\n\\tfloat Ess = fab.x + fab.y;\\n\\tfloat Ems = 1.0 - Ess;\\n\\tvec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619;\\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\\n\\tsingleScatter += FssEss;\\n\\tmultiScatter += Fms * Ems;\\n}\\n#if NUM_RECT_AREA_LIGHTS > 0\\n\\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\t\\tvec3 normal = geometry.normal;\\n\\t\\tvec3 viewDir = geometry.viewDir;\\n\\t\\tvec3 position = geometry.position;\\n\\t\\tvec3 lightPos = rectAreaLight.position;\\n\\t\\tvec3 halfWidth = rectAreaLight.halfWidth;\\n\\t\\tvec3 halfHeight = rectAreaLight.halfHeight;\\n\\t\\tvec3 lightColor = rectAreaLight.color;\\n\\t\\tfloat roughness = material.roughness;\\n\\t\\tvec3 rectCoords[ 4 ];\\n\\t\\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\\t\\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\\n\\t\\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\\n\\t\\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\\n\\t\\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\\n\\t\\tvec4 t1 = texture2D( ltc_1, uv );\\n\\t\\tvec4 t2 = texture2D( ltc_2, uv );\\n\\t\\tmat3 mInv = mat3(\\n\\t\\t\\tvec3( t1.x, 0, t1.y ),\\n\\t\\t\\tvec3( 0, 1, 0 ),\\n\\t\\t\\tvec3( t1.z, 0, t1.w )\\n\\t\\t);\\n\\t\\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\\n\\t\\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\\n\\t\\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\\n\\t}\\n#endif\\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat dotNLcc = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\\n\\t\\tvec3 ccIrradiance = dotNLcc * directLight.color;\\n\\t\\tclearcoatSpecular += ccIrradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.clearcoatNormal, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\\n\\t#endif\\n\\t#ifdef USE_SHEEN\\n\\t\\treflectedLight.directSpecular += irradiance * BRDF_Sheen( directLight.direction, geometry.viewDir, geometry.normal, material.sheenColor, material.sheenRoughness );\\n\\t#endif\\n\\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.roughness );\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tclearcoatSpecular += clearcoatRadiance * EnvironmentBRDF( geometry.clearcoatNormal, geometry.viewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\\n\\t#endif\\n\\tvec3 singleScattering = vec3( 0.0 );\\n\\tvec3 multiScattering = vec3( 0.0 );\\n\\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\\n\\tcomputeMultiscattering( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\\n\\tvec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) );\\n\\treflectedLight.indirectSpecular += radiance * singleScattering;\\n\\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\\n\\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Physical\\n#define RE_Direct_RectArea\\t\\tRE_Direct_RectArea_Physical\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Physical\\n#define RE_IndirectSpecular\\t\\tRE_IndirectSpecular_Physical\\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\\n\\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\\n}\";\n\nvar lights_fragment_begin = \"\\nGeometricContext geometry;\\ngeometry.position = - vViewPosition;\\ngeometry.normal = normal;\\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\\n#ifdef USE_CLEARCOAT\\n\\tgeometry.clearcoatNormal = clearcoatNormal;\\n#endif\\nIncidentLight directLight;\\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tPointLight pointLight;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\\n\\tPointLightShadow pointLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tgetPointLightInfo( pointLight, geometry, directLight );\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\\n\\t\\tpointLightShadow = pointLightShadows[ i ];\\n\\t\\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tSpotLight spotLight;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\\n\\tSpotLightShadow spotLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tgetSpotLightInfo( spotLight, geometry, directLight );\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\\n\\t\\tspotLightShadow = spotLightShadows[ i ];\\n\\t\\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tDirectionalLight directionalLight;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\\n\\tDirectionalLightShadow directionalLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tgetDirectionalLightInfo( directionalLight, geometry, directLight );\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\\n\\t\\tdirectionalLightShadow = directionalLightShadows[ i ];\\n\\t\\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometry, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\\n\\tRectAreaLight rectAreaLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\\n\\t\\trectAreaLight = rectAreaLights[ i ];\\n\\t\\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if defined( RE_IndirectDiffuse )\\n\\tvec3 iblIrradiance = vec3( 0.0 );\\n\\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\\n\\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\\n\\t#if ( NUM_HEMI_LIGHTS > 0 )\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\t\\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal );\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t#endif\\n#endif\\n#if defined( RE_IndirectSpecular )\\n\\tvec3 radiance = vec3( 0.0 );\\n\\tvec3 clearcoatRadiance = vec3( 0.0 );\\n#endif\";\n\nvar lights_fragment_maps = \"#if defined( RE_IndirectDiffuse )\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\\n\\t\\tvec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\\n\\t\\t#ifndef PHYSICALLY_CORRECT_LIGHTS\\n\\t\\t\\tlightMapIrradiance *= PI;\\n\\t\\t#endif\\n\\t\\tirradiance += lightMapIrradiance;\\n\\t#endif\\n\\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\tiblIrradiance += getIBLIrradiance( geometry.normal );\\n\\t#endif\\n#endif\\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\\n\\tradiance += getIBLRadiance( geometry.viewDir, geometry.normal, material.roughness );\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tclearcoatRadiance += getIBLRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness );\\n\\t#endif\\n#endif\";\n\nvar lights_fragment_end = \"#if defined( RE_IndirectDiffuse )\\n\\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\\n#endif\\n#if defined( RE_IndirectSpecular )\\n\\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\\n#endif\";\n\nvar logdepthbuf_fragment = \"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\\n\\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\\n#endif\";\n\nvar logdepthbuf_pars_fragment = \"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\\n\\tuniform float logDepthBufFC;\\n\\tvarying float vFragDepth;\\n\\tvarying float vIsPerspective;\\n#endif\";\n\nvar logdepthbuf_pars_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvarying float vFragDepth;\\n\\t\\tvarying float vIsPerspective;\\n\\t#else\\n\\t\\tuniform float logDepthBufFC;\\n\\t#endif\\n#endif\";\n\nvar logdepthbuf_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\t#ifdef USE_LOGDEPTHBUF_EXT\\n\\t\\tvFragDepth = 1.0 + gl_Position.w;\\n\\t\\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\\n\\t#else\\n\\t\\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\\n\\t\\t\\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\\n\\t\\t\\tgl_Position.z *= gl_Position.w;\\n\\t\\t}\\n\\t#endif\\n#endif\";\n\nvar map_fragment = \"#ifdef USE_MAP\\n\\tvec4 texelColor = texture2D( map, vUv );\\n\\ttexelColor = mapTexelToLinear( texelColor );\\n\\tdiffuseColor *= texelColor;\\n#endif\";\n\nvar map_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\";\n\nvar map_particle_fragment = \"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\\n\\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\\n#endif\\n#ifdef USE_MAP\\n\\tvec4 mapTexel = texture2D( map, uv );\\n\\tdiffuseColor *= mapTexelToLinear( mapTexel );\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\\n#endif\";\n\nvar map_particle_pars_fragment = \"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\\n\\tuniform mat3 uvTransform;\\n#endif\\n#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\";\n\nvar metalnessmap_fragment = \"float metalnessFactor = metalness;\\n#ifdef USE_METALNESSMAP\\n\\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\\n\\tmetalnessFactor *= texelMetalness.b;\\n#endif\";\n\nvar metalnessmap_pars_fragment = \"#ifdef USE_METALNESSMAP\\n\\tuniform sampler2D metalnessMap;\\n#endif\";\n\nvar morphnormal_vertex = \"#ifdef USE_MORPHNORMALS\\n\\tobjectNormal *= morphTargetBaseInfluence;\\n\\t#ifdef MORPHTARGETS_TEXTURE\\n\\t\\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\\n\\t\\t\\tif ( morphTargetInfluences[ i ] > 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1, 2 ) * morphTargetInfluences[ i ];\\n\\t\\t}\\n\\t#else\\n\\t\\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\\n\\t\\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\\n\\t\\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\\n\\t\\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\\n\\t#endif\\n#endif\";\n\nvar morphtarget_pars_vertex = \"#ifdef USE_MORPHTARGETS\\n\\tuniform float morphTargetBaseInfluence;\\n\\t#ifdef MORPHTARGETS_TEXTURE\\n\\t\\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\\n\\t\\tuniform sampler2DArray morphTargetsTexture;\\n\\t\\tuniform vec2 morphTargetsTextureSize;\\n\\t\\tvec3 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset, const in int stride ) {\\n\\t\\t\\tfloat texelIndex = float( vertexIndex * stride + offset );\\n\\t\\t\\tfloat y = floor( texelIndex / morphTargetsTextureSize.x );\\n\\t\\t\\tfloat x = texelIndex - y * morphTargetsTextureSize.x;\\n\\t\\t\\tvec3 morphUV = vec3( ( x + 0.5 ) / morphTargetsTextureSize.x, y / morphTargetsTextureSize.y, morphTargetIndex );\\n\\t\\t\\treturn texture( morphTargetsTexture, morphUV ).xyz;\\n\\t\\t}\\n\\t#else\\n\\t\\t#ifndef USE_MORPHNORMALS\\n\\t\\t\\tuniform float morphTargetInfluences[ 8 ];\\n\\t\\t#else\\n\\t\\t\\tuniform float morphTargetInfluences[ 4 ];\\n\\t\\t#endif\\n\\t#endif\\n#endif\";\n\nvar morphtarget_vertex = \"#ifdef USE_MORPHTARGETS\\n\\ttransformed *= morphTargetBaseInfluence;\\n\\t#ifdef MORPHTARGETS_TEXTURE\\n\\t\\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\\n\\t\\t\\t#ifndef USE_MORPHNORMALS\\n\\t\\t\\t\\tif ( morphTargetInfluences[ i ] > 0.0 ) transformed += getMorph( gl_VertexID, i, 0, 1 ) * morphTargetInfluences[ i ];\\n\\t\\t\\t#else\\n\\t\\t\\t\\tif ( morphTargetInfluences[ i ] > 0.0 ) transformed += getMorph( gl_VertexID, i, 0, 2 ) * morphTargetInfluences[ i ];\\n\\t\\t\\t#endif\\n\\t\\t}\\n\\t#else\\n\\t\\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\\n\\t\\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\\n\\t\\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\\n\\t\\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\\n\\t\\t#ifndef USE_MORPHNORMALS\\n\\t\\t\\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\\n\\t\\t\\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\\n\\t\\t\\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\\n\\t\\t\\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\\n\\t\\t#endif\\n\\t#endif\\n#endif\";\n\nvar normal_fragment_begin = \"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\\n#ifdef FLAT_SHADED\\n\\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\\n\\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\\n\\tvec3 normal = normalize( cross( fdx, fdy ) );\\n#else\\n\\tvec3 normal = normalize( vNormal );\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\tnormal = normal * faceDirection;\\n\\t#endif\\n\\t#ifdef USE_TANGENT\\n\\t\\tvec3 tangent = normalize( vTangent );\\n\\t\\tvec3 bitangent = normalize( vBitangent );\\n\\t\\t#ifdef DOUBLE_SIDED\\n\\t\\t\\ttangent = tangent * faceDirection;\\n\\t\\t\\tbitangent = bitangent * faceDirection;\\n\\t\\t#endif\\n\\t\\t#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\\n\\t\\t\\tmat3 vTBN = mat3( tangent, bitangent, normal );\\n\\t\\t#endif\\n\\t#endif\\n#endif\\nvec3 geometryNormal = normal;\";\n\nvar normal_fragment_maps = \"#ifdef OBJECTSPACE_NORMALMAP\\n\\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\\n\\t#ifdef FLIP_SIDED\\n\\t\\tnormal = - normal;\\n\\t#endif\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\tnormal = normal * faceDirection;\\n\\t#endif\\n\\tnormal = normalize( normalMatrix * normal );\\n#elif defined( TANGENTSPACE_NORMALMAP )\\n\\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\\n\\tmapN.xy *= normalScale;\\n\\t#ifdef USE_TANGENT\\n\\t\\tnormal = normalize( vTBN * mapN );\\n\\t#else\\n\\t\\tnormal = perturbNormal2Arb( - vViewPosition, normal, mapN, faceDirection );\\n\\t#endif\\n#elif defined( USE_BUMPMAP )\\n\\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\\n#endif\";\n\nvar normal_pars_fragment = \"#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\tvarying vec3 vTangent;\\n\\t\\tvarying vec3 vBitangent;\\n\\t#endif\\n#endif\";\n\nvar normal_pars_vertex = \"#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\tvarying vec3 vTangent;\\n\\t\\tvarying vec3 vBitangent;\\n\\t#endif\\n#endif\";\n\nvar normal_vertex = \"#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n\\t#ifdef USE_TANGENT\\n\\t\\tvTangent = normalize( transformedTangent );\\n\\t\\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\\n\\t#endif\\n#endif\";\n\nvar normalmap_pars_fragment = \"#ifdef USE_NORMALMAP\\n\\tuniform sampler2D normalMap;\\n\\tuniform vec2 normalScale;\\n#endif\\n#ifdef OBJECTSPACE_NORMALMAP\\n\\tuniform mat3 normalMatrix;\\n#endif\\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\\n\\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN, float faceDirection ) {\\n\\t\\tvec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );\\n\\t\\tvec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );\\n\\t\\tvec2 st0 = dFdx( vUv.st );\\n\\t\\tvec2 st1 = dFdy( vUv.st );\\n\\t\\tvec3 N = surf_norm;\\n\\t\\tvec3 q1perp = cross( q1, N );\\n\\t\\tvec3 q0perp = cross( N, q0 );\\n\\t\\tvec3 T = q1perp * st0.x + q0perp * st1.x;\\n\\t\\tvec3 B = q1perp * st0.y + q0perp * st1.y;\\n\\t\\tfloat det = max( dot( T, T ), dot( B, B ) );\\n\\t\\tfloat scale = ( det == 0.0 ) ? 0.0 : faceDirection * inversesqrt( det );\\n\\t\\treturn normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z );\\n\\t}\\n#endif\";\n\nvar clearcoat_normal_fragment_begin = \"#ifdef USE_CLEARCOAT\\n\\tvec3 clearcoatNormal = geometryNormal;\\n#endif\";\n\nvar clearcoat_normal_fragment_maps = \"#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\\n\\tclearcoatMapN.xy *= clearcoatNormalScale;\\n\\t#ifdef USE_TANGENT\\n\\t\\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\\n\\t#else\\n\\t\\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection );\\n\\t#endif\\n#endif\";\n\nvar clearcoat_pars_fragment = \"#ifdef USE_CLEARCOATMAP\\n\\tuniform sampler2D clearcoatMap;\\n#endif\\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\tuniform sampler2D clearcoatRoughnessMap;\\n#endif\\n#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tuniform sampler2D clearcoatNormalMap;\\n\\tuniform vec2 clearcoatNormalScale;\\n#endif\";\n\nvar output_fragment = \"#ifdef OPAQUE\\ndiffuseColor.a = 1.0;\\n#endif\\n#ifdef USE_TRANSMISSION\\ndiffuseColor.a *= transmissionAlpha + 0.1;\\n#endif\\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );\";\n\nvar packing = \"vec3 packNormalToRGB( const in vec3 normal ) {\\n\\treturn normalize( normal ) * 0.5 + 0.5;\\n}\\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\\n\\treturn 2.0 * rgb.xyz - 1.0;\\n}\\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\\nconst float ShiftRight8 = 1. / 256.;\\nvec4 packDepthToRGBA( const in float v ) {\\n\\tvec4 r = vec4( fract( v * PackFactors ), v );\\n\\tr.yzw -= r.xyz * ShiftRight8;\\treturn r * PackUpscale;\\n}\\nfloat unpackRGBAToDepth( const in vec4 v ) {\\n\\treturn dot( v, UnpackFactors );\\n}\\nvec4 pack2HalfToRGBA( vec2 v ) {\\n\\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\\n\\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\\n}\\nvec2 unpackRGBATo2Half( vec4 v ) {\\n\\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\\n}\\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\\n\\treturn ( viewZ + near ) / ( near - far );\\n}\\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\\n\\treturn linearClipZ * ( near - far ) - near;\\n}\\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\\n\\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\\n}\\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\\n\\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\\n}\";\n\nvar premultiplied_alpha_fragment = \"#ifdef PREMULTIPLIED_ALPHA\\n\\tgl_FragColor.rgb *= gl_FragColor.a;\\n#endif\";\n\nvar project_vertex = \"vec4 mvPosition = vec4( transformed, 1.0 );\\n#ifdef USE_INSTANCING\\n\\tmvPosition = instanceMatrix * mvPosition;\\n#endif\\nmvPosition = modelViewMatrix * mvPosition;\\ngl_Position = projectionMatrix * mvPosition;\";\n\nvar dithering_fragment = \"#ifdef DITHERING\\n\\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\\n#endif\";\n\nvar dithering_pars_fragment = \"#ifdef DITHERING\\n\\tvec3 dithering( vec3 color ) {\\n\\t\\tfloat grid_position = rand( gl_FragCoord.xy );\\n\\t\\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\\n\\t\\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\\n\\t\\treturn color + dither_shift_RGB;\\n\\t}\\n#endif\";\n\nvar roughnessmap_fragment = \"float roughnessFactor = roughness;\\n#ifdef USE_ROUGHNESSMAP\\n\\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\\n\\troughnessFactor *= texelRoughness.g;\\n#endif\";\n\nvar roughnessmap_pars_fragment = \"#ifdef USE_ROUGHNESSMAP\\n\\tuniform sampler2D roughnessMap;\\n#endif\";\n\nvar shadowmap_pars_fragment = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tstruct DirectionalLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tstruct SpotLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tstruct PointLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t\\tfloat shadowCameraNear;\\n\\t\\t\\tfloat shadowCameraFar;\\n\\t\\t};\\n\\t\\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\\n\\t\\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\\n\\t}\\n\\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\\n\\t\\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\\n\\t}\\n\\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\\n\\t\\tfloat occlusion = 1.0;\\n\\t\\tvec2 distribution = texture2DDistribution( shadow, uv );\\n\\t\\tfloat hard_shadow = step( compare , distribution.x );\\n\\t\\tif (hard_shadow != 1.0 ) {\\n\\t\\t\\tfloat distance = compare - distribution.x ;\\n\\t\\t\\tfloat variance = max( 0.00000, distribution.y * distribution.y );\\n\\t\\t\\tfloat softness_probability = variance / (variance + distance * distance );\\t\\t\\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\\t\\t\\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\\n\\t\\t}\\n\\t\\treturn occlusion;\\n\\t}\\n\\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tfloat shadow = 1.0;\\n\\t\\tshadowCoord.xyz /= shadowCoord.w;\\n\\t\\tshadowCoord.z += shadowBias;\\n\\t\\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\\n\\t\\tbool inFrustum = all( inFrustumVec );\\n\\t\\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\\n\\t\\tbool frustumTest = all( frustumTestVec );\\n\\t\\tif ( frustumTest ) {\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx2 = dx0 / 2.0;\\n\\t\\t\\tfloat dy2 = dy0 / 2.0;\\n\\t\\t\\tfloat dx3 = dx1 / 2.0;\\n\\t\\t\\tfloat dy3 = dy1 / 2.0;\\n\\t\\t\\tshadow = (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 17.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx = texelSize.x;\\n\\t\\t\\tfloat dy = texelSize.y;\\n\\t\\t\\tvec2 uv = shadowCoord.xy;\\n\\t\\t\\tvec2 f = fract( uv * shadowMapSize + 0.5 );\\n\\t\\t\\tuv -= f * texelSize;\\n\\t\\t\\tshadow = (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.x ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.x ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.y ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.y ) +\\n\\t\\t\\t\\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t f.x ),\\n\\t\\t\\t\\t\\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), \\n\\t\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t f.x ),\\n\\t\\t\\t\\t\\t f.y )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_VSM )\\n\\t\\t\\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#else\\n\\t\\t\\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#endif\\n\\t\\t}\\n\\t\\treturn shadow;\\n\\t}\\n\\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\\n\\t\\tvec3 absV = abs( v );\\n\\t\\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\\n\\t\\tabsV *= scaleToCube;\\n\\t\\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\\n\\t\\tvec2 planar = v.xy;\\n\\t\\tfloat almostATexel = 1.5 * texelSizeY;\\n\\t\\tfloat almostOne = 1.0 - almostATexel;\\n\\t\\tif ( absV.z >= almostOne ) {\\n\\t\\t\\tif ( v.z > 0.0 )\\n\\t\\t\\t\\tplanar.x = 4.0 - v.x;\\n\\t\\t} else if ( absV.x >= almostOne ) {\\n\\t\\t\\tfloat signX = sign( v.x );\\n\\t\\t\\tplanar.x = v.z * signX + 2.0 * signX;\\n\\t\\t} else if ( absV.y >= almostOne ) {\\n\\t\\t\\tfloat signY = sign( v.y );\\n\\t\\t\\tplanar.x = v.x + 2.0 * signY + 2.0;\\n\\t\\t\\tplanar.y = v.z * signY - 2.0;\\n\\t\\t}\\n\\t\\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\\n\\t}\\n\\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\\n\\t\\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\\n\\t\\tvec3 lightToPosition = shadowCoord.xyz;\\n\\t\\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\\t\\tdp += shadowBias;\\n\\t\\tvec3 bd3D = normalize( lightToPosition );\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\\n\\t\\t\\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\\n\\t\\t\\treturn (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#else\\n\\t\\t\\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\\n\\t\\t#endif\\n\\t}\\n#endif\";\n\nvar shadowmap_pars_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t\\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tstruct DirectionalLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\t\\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tstruct SpotLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tstruct PointLightShadow {\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t\\tfloat shadowCameraNear;\\n\\t\\t\\tfloat shadowCameraFar;\\n\\t\\t};\\n\\t\\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t#endif\\n#endif\";\n\nvar shadowmap_vertex = \"#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\t\\tvec4 shadowWorldPosition;\\n\\t#endif\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\\n\\t\\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias, 0 );\\n\\t\\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * shadowWorldPosition;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\\n\\t\\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n#endif\";\n\nvar shadowmask_pars_fragment = \"float getShadowMask() {\\n\\tfloat shadow = 1.0;\\n\\t#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\tDirectionalLightShadow directionalLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\tSpotLightShadow spotLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tspotLight = spotLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\tPointLightShadow pointLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tpointLight = pointLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#endif\\n\\treturn shadow;\\n}\";\n\nvar skinbase_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\\n\\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\\n\\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\\n\\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\\n#endif\";\n\nvar skinning_pars_vertex = \"#ifdef USE_SKINNING\\n\\tuniform mat4 bindMatrix;\\n\\tuniform mat4 bindMatrixInverse;\\n\\t#ifdef BONE_TEXTURE\\n\\t\\tuniform highp sampler2D boneTexture;\\n\\t\\tuniform int boneTextureSize;\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tfloat j = i * 4.0;\\n\\t\\t\\tfloat x = mod( j, float( boneTextureSize ) );\\n\\t\\t\\tfloat y = floor( j / float( boneTextureSize ) );\\n\\t\\t\\tfloat dx = 1.0 / float( boneTextureSize );\\n\\t\\t\\tfloat dy = 1.0 / float( boneTextureSize );\\n\\t\\t\\ty = dy * ( y + 0.5 );\\n\\t\\t\\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\\n\\t\\t\\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\\n\\t\\t\\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\\n\\t\\t\\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\\n\\t\\t\\tmat4 bone = mat4( v1, v2, v3, v4 );\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#else\\n\\t\\tuniform mat4 boneMatrices[ MAX_BONES ];\\n\\t\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\t\\tmat4 bone = boneMatrices[ int(i) ];\\n\\t\\t\\treturn bone;\\n\\t\\t}\\n\\t#endif\\n#endif\";\n\nvar skinning_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\\n\\tvec4 skinned = vec4( 0.0 );\\n\\tskinned += boneMatX * skinVertex * skinWeight.x;\\n\\tskinned += boneMatY * skinVertex * skinWeight.y;\\n\\tskinned += boneMatZ * skinVertex * skinWeight.z;\\n\\tskinned += boneMatW * skinVertex * skinWeight.w;\\n\\ttransformed = ( bindMatrixInverse * skinned ).xyz;\\n#endif\";\n\nvar skinnormal_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 skinMatrix = mat4( 0.0 );\\n\\tskinMatrix += skinWeight.x * boneMatX;\\n\\tskinMatrix += skinWeight.y * boneMatY;\\n\\tskinMatrix += skinWeight.z * boneMatZ;\\n\\tskinMatrix += skinWeight.w * boneMatW;\\n\\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\\n\\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\\n\\t#ifdef USE_TANGENT\\n\\t\\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\\n\\t#endif\\n#endif\";\n\nvar specularmap_fragment = \"float specularStrength;\\n#ifdef USE_SPECULARMAP\\n\\tvec4 texelSpecular = texture2D( specularMap, vUv );\\n\\tspecularStrength = texelSpecular.r;\\n#else\\n\\tspecularStrength = 1.0;\\n#endif\";\n\nvar specularmap_pars_fragment = \"#ifdef USE_SPECULARMAP\\n\\tuniform sampler2D specularMap;\\n#endif\";\n\nvar tonemapping_fragment = \"#if defined( TONE_MAPPING )\\n\\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\\n#endif\";\n\nvar tonemapping_pars_fragment = \"#ifndef saturate\\n#define saturate( a ) clamp( a, 0.0, 1.0 )\\n#endif\\nuniform float toneMappingExposure;\\nvec3 LinearToneMapping( vec3 color ) {\\n\\treturn toneMappingExposure * color;\\n}\\nvec3 ReinhardToneMapping( vec3 color ) {\\n\\tcolor *= toneMappingExposure;\\n\\treturn saturate( color / ( vec3( 1.0 ) + color ) );\\n}\\nvec3 OptimizedCineonToneMapping( vec3 color ) {\\n\\tcolor *= toneMappingExposure;\\n\\tcolor = max( vec3( 0.0 ), color - 0.004 );\\n\\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\\n}\\nvec3 RRTAndODTFit( vec3 v ) {\\n\\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\\n\\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\\n\\treturn a / b;\\n}\\nvec3 ACESFilmicToneMapping( vec3 color ) {\\n\\tconst mat3 ACESInputMat = mat3(\\n\\t\\tvec3( 0.59719, 0.07600, 0.02840 ),\\t\\tvec3( 0.35458, 0.90834, 0.13383 ),\\n\\t\\tvec3( 0.04823, 0.01566, 0.83777 )\\n\\t);\\n\\tconst mat3 ACESOutputMat = mat3(\\n\\t\\tvec3( 1.60475, -0.10208, -0.00327 ),\\t\\tvec3( -0.53108, 1.10813, -0.07276 ),\\n\\t\\tvec3( -0.07367, -0.00605, 1.07602 )\\n\\t);\\n\\tcolor *= toneMappingExposure / 0.6;\\n\\tcolor = ACESInputMat * color;\\n\\tcolor = RRTAndODTFit( color );\\n\\tcolor = ACESOutputMat * color;\\n\\treturn saturate( color );\\n}\\nvec3 CustomToneMapping( vec3 color ) { return color; }\";\n\nvar transmission_fragment = \"#ifdef USE_TRANSMISSION\\n\\tfloat transmissionAlpha = 1.0;\\n\\tfloat transmissionFactor = transmission;\\n\\tfloat thicknessFactor = thickness;\\n\\t#ifdef USE_TRANSMISSIONMAP\\n\\t\\ttransmissionFactor *= texture2D( transmissionMap, vUv ).r;\\n\\t#endif\\n\\t#ifdef USE_THICKNESSMAP\\n\\t\\tthicknessFactor *= texture2D( thicknessMap, vUv ).g;\\n\\t#endif\\n\\tvec3 pos = vWorldPosition;\\n\\tvec3 v = normalize( cameraPosition - pos );\\n\\tvec3 n = inverseTransformDirection( normal, viewMatrix );\\n\\tvec4 transmission = getIBLVolumeRefraction(\\n\\t\\tn, v, roughnessFactor, material.diffuseColor, material.specularColor, material.specularF90,\\n\\t\\tpos, modelMatrix, viewMatrix, projectionMatrix, ior, thicknessFactor,\\n\\t\\tattenuationColor, attenuationDistance );\\n\\ttotalDiffuse = mix( totalDiffuse, transmission.rgb, transmissionFactor );\\n\\ttransmissionAlpha = mix( transmissionAlpha, transmission.a, transmissionFactor );\\n#endif\";\n\nvar transmission_pars_fragment = \"#ifdef USE_TRANSMISSION\\n\\tuniform float transmission;\\n\\tuniform float thickness;\\n\\tuniform float attenuationDistance;\\n\\tuniform vec3 attenuationColor;\\n\\t#ifdef USE_TRANSMISSIONMAP\\n\\t\\tuniform sampler2D transmissionMap;\\n\\t#endif\\n\\t#ifdef USE_THICKNESSMAP\\n\\t\\tuniform sampler2D thicknessMap;\\n\\t#endif\\n\\tuniform vec2 transmissionSamplerSize;\\n\\tuniform sampler2D transmissionSamplerMap;\\n\\tuniform mat4 modelMatrix;\\n\\tuniform mat4 projectionMatrix;\\n\\tvarying vec3 vWorldPosition;\\n\\tvec3 getVolumeTransmissionRay( vec3 n, vec3 v, float thickness, float ior, mat4 modelMatrix ) {\\n\\t\\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\\n\\t\\tvec3 modelScale;\\n\\t\\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\\n\\t\\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\\n\\t\\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\\n\\t\\treturn normalize( refractionVector ) * thickness * modelScale;\\n\\t}\\n\\tfloat applyIorToRoughness( float roughness, float ior ) {\\n\\t\\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\\n\\t}\\n\\tvec4 getTransmissionSample( vec2 fragCoord, float roughness, float ior ) {\\n\\t\\tfloat framebufferLod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\\n\\t\\t#ifdef TEXTURE_LOD_EXT\\n\\t\\t\\treturn texture2DLodEXT( transmissionSamplerMap, fragCoord.xy, framebufferLod );\\n\\t\\t#else\\n\\t\\t\\treturn texture2D( transmissionSamplerMap, fragCoord.xy, framebufferLod );\\n\\t\\t#endif\\n\\t}\\n\\tvec3 applyVolumeAttenuation( vec3 radiance, float transmissionDistance, vec3 attenuationColor, float attenuationDistance ) {\\n\\t\\tif ( attenuationDistance == 0.0 ) {\\n\\t\\t\\treturn radiance;\\n\\t\\t} else {\\n\\t\\t\\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\\n\\t\\t\\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\\t\\t\\treturn transmittance * radiance;\\n\\t\\t}\\n\\t}\\n\\tvec4 getIBLVolumeRefraction( vec3 n, vec3 v, float roughness, vec3 diffuseColor, vec3 specularColor, float specularF90,\\n\\t\\tvec3 position, mat4 modelMatrix, mat4 viewMatrix, mat4 projMatrix, float ior, float thickness,\\n\\t\\tvec3 attenuationColor, float attenuationDistance ) {\\n\\t\\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\\n\\t\\tvec3 refractedRayExit = position + transmissionRay;\\n\\t\\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\\n\\t\\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\\n\\t\\trefractionCoords += 1.0;\\n\\t\\trefractionCoords /= 2.0;\\n\\t\\tvec4 transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\\n\\t\\tvec3 attenuatedColor = applyVolumeAttenuation( transmittedLight.rgb, length( transmissionRay ), attenuationColor, attenuationDistance );\\n\\t\\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\\n\\t\\treturn vec4( ( 1.0 - F ) * attenuatedColor * diffuseColor, transmittedLight.a );\\n\\t}\\n#endif\";\n\nvar uv_pars_fragment = \"#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\\n\\tvarying vec2 vUv;\\n#endif\";\n\nvar uv_pars_vertex = \"#ifdef USE_UV\\n\\t#ifdef UVS_VERTEX_ONLY\\n\\t\\tvec2 vUv;\\n\\t#else\\n\\t\\tvarying vec2 vUv;\\n\\t#endif\\n\\tuniform mat3 uvTransform;\\n#endif\";\n\nvar uv_vertex = \"#ifdef USE_UV\\n\\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\\n#endif\";\n\nvar uv2_pars_fragment = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvarying vec2 vUv2;\\n#endif\";\n\nvar uv2_pars_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tattribute vec2 uv2;\\n\\tvarying vec2 vUv2;\\n\\tuniform mat3 uv2Transform;\\n#endif\";\n\nvar uv2_vertex = \"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\\n\\tvUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;\\n#endif\";\n\nvar worldpos_vertex = \"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION )\\n\\tvec4 worldPosition = vec4( transformed, 1.0 );\\n\\t#ifdef USE_INSTANCING\\n\\t\\tworldPosition = instanceMatrix * worldPosition;\\n\\t#endif\\n\\tworldPosition = modelMatrix * worldPosition;\\n#endif\";\n\nconst vertex$g = \"varying vec2 vUv;\\nuniform mat3 uvTransform;\\nvoid main() {\\n\\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\\n\\tgl_Position = vec4( position.xy, 1.0, 1.0 );\\n}\";\n\nconst fragment$g = \"uniform sampler2D t2D;\\nvarying vec2 vUv;\\nvoid main() {\\n\\tvec4 texColor = texture2D( t2D, vUv );\\n\\tgl_FragColor = mapTexelToLinear( texColor );\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$f = \"varying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvWorldDirection = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n\\tgl_Position.z = gl_Position.w;\\n}\";\n\nconst fragment$f = \"#include \\nuniform float opacity;\\nvarying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvec3 vReflect = vWorldDirection;\\n\\t#include \\n\\tgl_FragColor = envColor;\\n\\tgl_FragColor.a *= opacity;\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$e = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvarying vec2 vHighPrecisionZW;\\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#ifdef USE_DISPLACEMENTMAP\\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvHighPrecisionZW = gl_Position.zw;\\n}\";\n\nconst fragment$e = \"#if DEPTH_PACKING == 3200\\n\\tuniform float opacity;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvarying vec2 vHighPrecisionZW;\\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tdiffuseColor.a = opacity;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\\n\\t#elif DEPTH_PACKING == 3201\\n\\t\\tgl_FragColor = packDepthToRGBA( fragCoordZ );\\n\\t#endif\\n}\";\n\nconst vertex$d = \"#define DISTANCE\\nvarying vec3 vWorldPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#ifdef USE_DISPLACEMENTMAP\\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvWorldPosition = worldPosition.xyz;\\n}\";\n\nconst fragment$d = \"#define DISTANCE\\nuniform vec3 referencePosition;\\nuniform float nearDistance;\\nuniform float farDistance;\\nvarying vec3 vWorldPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main () {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\tfloat dist = length( vWorldPosition - referencePosition );\\n\\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\\n\\tdist = saturate( dist );\\n\\tgl_FragColor = packDepthToRGBA( dist );\\n}\";\n\nconst vertex$c = \"varying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvWorldDirection = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$c = \"uniform sampler2D tEquirect;\\nvarying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvec3 direction = normalize( vWorldDirection );\\n\\tvec2 sampleUV = equirectUv( direction );\\n\\tvec4 texColor = texture2D( tEquirect, sampleUV );\\n\\tgl_FragColor = mapTexelToLinear( texColor );\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$b = \"uniform float scale;\\nattribute float lineDistance;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvLineDistance = scale * lineDistance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$b = \"uniform vec3 diffuse;\\nuniform float opacity;\\nuniform float dashSize;\\nuniform float totalSize;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\\n\\t\\tdiscard;\\n\\t}\\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$a = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$a = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\\n\\t\\treflectedLight.indirectDiffuse += lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\\n\\t#else\\n\\t\\treflectedLight.indirectDiffuse += vec3( 1.0 );\\n\\t#endif\\n\\t#include \\n\\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\\n\\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$9 = \"#define LAMBERT\\nvarying vec3 vLightFront;\\nvarying vec3 vIndirectFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n\\tvarying vec3 vIndirectBack;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$9 = \"uniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\nvarying vec3 vLightFront;\\nvarying vec3 vIndirectFront;\\n#ifdef DOUBLE_SIDED\\n\\tvarying vec3 vLightBack;\\n\\tvarying vec3 vIndirectBack;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef DOUBLE_SIDED\\n\\t\\treflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack;\\n\\t#else\\n\\t\\treflectedLight.indirectDiffuse += vIndirectFront;\\n\\t#endif\\n\\t#include \\n\\treflectedLight.indirectDiffuse *= BRDF_Lambert( diffuseColor.rgb );\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\\n\\t#else\\n\\t\\treflectedLight.directDiffuse = vLightFront;\\n\\t#endif\\n\\treflectedLight.directDiffuse *= BRDF_Lambert( diffuseColor.rgb ) * getShadowMask();\\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$8 = \"#define MATCAP\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n}\";\n\nconst fragment$8 = \"#define MATCAP\\nuniform vec3 diffuse;\\nuniform float opacity;\\nuniform sampler2D matcap;\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 viewDir = normalize( vViewPosition );\\n\\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\\n\\tvec3 y = cross( viewDir, x );\\n\\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\\n\\t#ifdef USE_MATCAP\\n\\t\\tvec4 matcapColor = texture2D( matcap, uv );\\n\\t\\tmatcapColor = matcapTexelToLinear( matcapColor );\\n\\t#else\\n\\t\\tvec4 matcapColor = vec4( 1.0 );\\n\\t#endif\\n\\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$7 = \"#define NORMAL\\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\\n\\tvViewPosition = - mvPosition.xyz;\\n#endif\\n}\";\n\nconst fragment$7 = \"#define NORMAL\\nuniform float opacity;\\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\\n}\";\n\nconst vertex$6 = \"#define PHONG\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$6 = \"#define PHONG\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform vec3 specular;\\nuniform float shininess;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$5 = \"#define STANDARD\\nvarying vec3 vViewPosition;\\n#ifdef USE_TRANSMISSION\\n\\tvarying vec3 vWorldPosition;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n#ifdef USE_TRANSMISSION\\n\\tvWorldPosition = worldPosition.xyz;\\n#endif\\n}\";\n\nconst fragment$5 = \"#define STANDARD\\n#ifdef PHYSICAL\\n\\t#define IOR\\n\\t#define SPECULAR\\n#endif\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float roughness;\\nuniform float metalness;\\nuniform float opacity;\\n#ifdef IOR\\n\\tuniform float ior;\\n#endif\\n#ifdef SPECULAR\\n\\tuniform float specularIntensity;\\n\\tuniform vec3 specularColor;\\n\\t#ifdef USE_SPECULARINTENSITYMAP\\n\\t\\tuniform sampler2D specularIntensityMap;\\n\\t#endif\\n\\t#ifdef USE_SPECULARCOLORMAP\\n\\t\\tuniform sampler2D specularColorMap;\\n\\t#endif\\n#endif\\n#ifdef USE_CLEARCOAT\\n\\tuniform float clearcoat;\\n\\tuniform float clearcoatRoughness;\\n#endif\\n#ifdef USE_SHEEN\\n\\tuniform vec3 sheenColor;\\n\\tuniform float sheenRoughness;\\n\\t#ifdef USE_SHEENCOLORMAP\\n\\t\\tuniform sampler2D sheenColorMap;\\n\\t#endif\\n\\t#ifdef USE_SHEENROUGHNESSMAP\\n\\t\\tuniform sampler2D sheenRoughnessMap;\\n\\t#endif\\n#endif\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\\n\\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\\n\\t#include \\n\\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat dotNVcc = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\\n\\t\\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\\n\\t\\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + clearcoatSpecular * material.clearcoat;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$4 = \"#define TOON\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$4 = \"#define TOON\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$3 = \"uniform float size;\\nuniform float scale;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tgl_PointSize = size;\\n\\t#ifdef USE_SIZEATTENUATION\\n\\t\\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\\n\\t\\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$3 = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$2 = \"#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$2 = \"uniform vec3 color;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$1 = \"uniform float rotation;\\nuniform vec2 center;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\\n\\tvec2 scale;\\n\\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\\n\\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\\n\\t#ifndef USE_SIZEATTENUATION\\n\\t\\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\\n\\t\\tif ( isPerspective ) scale *= - mvPosition.z;\\n\\t#endif\\n\\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\\n\\tvec2 rotatedPosition;\\n\\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\\n\\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\\n\\tmvPosition.xy += rotatedPosition;\\n\\tgl_Position = projectionMatrix * mvPosition;\\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$1 = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst ShaderChunk = {\n\talphamap_fragment: alphamap_fragment,\n\talphamap_pars_fragment: alphamap_pars_fragment,\n\talphatest_fragment: alphatest_fragment,\n\talphatest_pars_fragment: alphatest_pars_fragment,\n\taomap_fragment: aomap_fragment,\n\taomap_pars_fragment: aomap_pars_fragment,\n\tbegin_vertex: begin_vertex,\n\tbeginnormal_vertex: beginnormal_vertex,\n\tbsdfs: bsdfs,\n\tbumpmap_pars_fragment: bumpmap_pars_fragment,\n\tclipping_planes_fragment: clipping_planes_fragment,\n\tclipping_planes_pars_fragment: clipping_planes_pars_fragment,\n\tclipping_planes_pars_vertex: clipping_planes_pars_vertex,\n\tclipping_planes_vertex: clipping_planes_vertex,\n\tcolor_fragment: color_fragment,\n\tcolor_pars_fragment: color_pars_fragment,\n\tcolor_pars_vertex: color_pars_vertex,\n\tcolor_vertex: color_vertex,\n\tcommon: common,\n\tcube_uv_reflection_fragment: cube_uv_reflection_fragment,\n\tdefaultnormal_vertex: defaultnormal_vertex,\n\tdisplacementmap_pars_vertex: displacementmap_pars_vertex,\n\tdisplacementmap_vertex: displacementmap_vertex,\n\temissivemap_fragment: emissivemap_fragment,\n\temissivemap_pars_fragment: emissivemap_pars_fragment,\n\tencodings_fragment: encodings_fragment,\n\tencodings_pars_fragment: encodings_pars_fragment,\n\tenvmap_fragment: envmap_fragment,\n\tenvmap_common_pars_fragment: envmap_common_pars_fragment,\n\tenvmap_pars_fragment: envmap_pars_fragment,\n\tenvmap_pars_vertex: envmap_pars_vertex,\n\tenvmap_physical_pars_fragment: envmap_physical_pars_fragment,\n\tenvmap_vertex: envmap_vertex,\n\tfog_vertex: fog_vertex,\n\tfog_pars_vertex: fog_pars_vertex,\n\tfog_fragment: fog_fragment,\n\tfog_pars_fragment: fog_pars_fragment,\n\tgradientmap_pars_fragment: gradientmap_pars_fragment,\n\tlightmap_fragment: lightmap_fragment,\n\tlightmap_pars_fragment: lightmap_pars_fragment,\n\tlights_lambert_vertex: lights_lambert_vertex,\n\tlights_pars_begin: lights_pars_begin,\n\tlights_toon_fragment: lights_toon_fragment,\n\tlights_toon_pars_fragment: lights_toon_pars_fragment,\n\tlights_phong_fragment: lights_phong_fragment,\n\tlights_phong_pars_fragment: lights_phong_pars_fragment,\n\tlights_physical_fragment: lights_physical_fragment,\n\tlights_physical_pars_fragment: lights_physical_pars_fragment,\n\tlights_fragment_begin: lights_fragment_begin,\n\tlights_fragment_maps: lights_fragment_maps,\n\tlights_fragment_end: lights_fragment_end,\n\tlogdepthbuf_fragment: logdepthbuf_fragment,\n\tlogdepthbuf_pars_fragment: logdepthbuf_pars_fragment,\n\tlogdepthbuf_pars_vertex: logdepthbuf_pars_vertex,\n\tlogdepthbuf_vertex: logdepthbuf_vertex,\n\tmap_fragment: map_fragment,\n\tmap_pars_fragment: map_pars_fragment,\n\tmap_particle_fragment: map_particle_fragment,\n\tmap_particle_pars_fragment: map_particle_pars_fragment,\n\tmetalnessmap_fragment: metalnessmap_fragment,\n\tmetalnessmap_pars_fragment: metalnessmap_pars_fragment,\n\tmorphnormal_vertex: morphnormal_vertex,\n\tmorphtarget_pars_vertex: morphtarget_pars_vertex,\n\tmorphtarget_vertex: morphtarget_vertex,\n\tnormal_fragment_begin: normal_fragment_begin,\n\tnormal_fragment_maps: normal_fragment_maps,\n\tnormal_pars_fragment: normal_pars_fragment,\n\tnormal_pars_vertex: normal_pars_vertex,\n\tnormal_vertex: normal_vertex,\n\tnormalmap_pars_fragment: normalmap_pars_fragment,\n\tclearcoat_normal_fragment_begin: clearcoat_normal_fragment_begin,\n\tclearcoat_normal_fragment_maps: clearcoat_normal_fragment_maps,\n\tclearcoat_pars_fragment: clearcoat_pars_fragment,\n\toutput_fragment: output_fragment,\n\tpacking: packing,\n\tpremultiplied_alpha_fragment: premultiplied_alpha_fragment,\n\tproject_vertex: project_vertex,\n\tdithering_fragment: dithering_fragment,\n\tdithering_pars_fragment: dithering_pars_fragment,\n\troughnessmap_fragment: roughnessmap_fragment,\n\troughnessmap_pars_fragment: roughnessmap_pars_fragment,\n\tshadowmap_pars_fragment: shadowmap_pars_fragment,\n\tshadowmap_pars_vertex: shadowmap_pars_vertex,\n\tshadowmap_vertex: shadowmap_vertex,\n\tshadowmask_pars_fragment: shadowmask_pars_fragment,\n\tskinbase_vertex: skinbase_vertex,\n\tskinning_pars_vertex: skinning_pars_vertex,\n\tskinning_vertex: skinning_vertex,\n\tskinnormal_vertex: skinnormal_vertex,\n\tspecularmap_fragment: specularmap_fragment,\n\tspecularmap_pars_fragment: specularmap_pars_fragment,\n\ttonemapping_fragment: tonemapping_fragment,\n\ttonemapping_pars_fragment: tonemapping_pars_fragment,\n\ttransmission_fragment: transmission_fragment,\n\ttransmission_pars_fragment: transmission_pars_fragment,\n\tuv_pars_fragment: uv_pars_fragment,\n\tuv_pars_vertex: uv_pars_vertex,\n\tuv_vertex: uv_vertex,\n\tuv2_pars_fragment: uv2_pars_fragment,\n\tuv2_pars_vertex: uv2_pars_vertex,\n\tuv2_vertex: uv2_vertex,\n\tworldpos_vertex: worldpos_vertex,\n\n\tbackground_vert: vertex$g,\n\tbackground_frag: fragment$g,\n\tcube_vert: vertex$f,\n\tcube_frag: fragment$f,\n\tdepth_vert: vertex$e,\n\tdepth_frag: fragment$e,\n\tdistanceRGBA_vert: vertex$d,\n\tdistanceRGBA_frag: fragment$d,\n\tequirect_vert: vertex$c,\n\tequirect_frag: fragment$c,\n\tlinedashed_vert: vertex$b,\n\tlinedashed_frag: fragment$b,\n\tmeshbasic_vert: vertex$a,\n\tmeshbasic_frag: fragment$a,\n\tmeshlambert_vert: vertex$9,\n\tmeshlambert_frag: fragment$9,\n\tmeshmatcap_vert: vertex$8,\n\tmeshmatcap_frag: fragment$8,\n\tmeshnormal_vert: vertex$7,\n\tmeshnormal_frag: fragment$7,\n\tmeshphong_vert: vertex$6,\n\tmeshphong_frag: fragment$6,\n\tmeshphysical_vert: vertex$5,\n\tmeshphysical_frag: fragment$5,\n\tmeshtoon_vert: vertex$4,\n\tmeshtoon_frag: fragment$4,\n\tpoints_vert: vertex$3,\n\tpoints_frag: fragment$3,\n\tshadow_vert: vertex$2,\n\tshadow_frag: fragment$2,\n\tsprite_vert: vertex$1,\n\tsprite_frag: fragment$1\n};\n\n/**\n * Uniforms library for shared webgl shaders\n */\n\nconst UniformsLib = {\n\n\tcommon: {\n\n\t\tdiffuse: { value: new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\n\t\tmap: { value: null },\n\t\tuvTransform: { value: new Matrix3() },\n\t\tuv2Transform: { value: new Matrix3() },\n\n\t\talphaMap: { value: null },\n\t\talphaTest: { value: 0 }\n\n\t},\n\n\tspecularmap: {\n\n\t\tspecularMap: { value: null },\n\n\t},\n\n\tenvmap: {\n\n\t\tenvMap: { value: null },\n\t\tflipEnvMap: { value: - 1 },\n\t\treflectivity: { value: 1.0 }, // basic, lambert, phong\n\t\tior: { value: 1.5 }, // standard, physical\n\t\trefractionRatio: { value: 0.98 }\n\n\t},\n\n\taomap: {\n\n\t\taoMap: { value: null },\n\t\taoMapIntensity: { value: 1 }\n\n\t},\n\n\tlightmap: {\n\n\t\tlightMap: { value: null },\n\t\tlightMapIntensity: { value: 1 }\n\n\t},\n\n\temissivemap: {\n\n\t\temissiveMap: { value: null }\n\n\t},\n\n\tbumpmap: {\n\n\t\tbumpMap: { value: null },\n\t\tbumpScale: { value: 1 }\n\n\t},\n\n\tnormalmap: {\n\n\t\tnormalMap: { value: null },\n\t\tnormalScale: { value: new Vector2( 1, 1 ) }\n\n\t},\n\n\tdisplacementmap: {\n\n\t\tdisplacementMap: { value: null },\n\t\tdisplacementScale: { value: 1 },\n\t\tdisplacementBias: { value: 0 }\n\n\t},\n\n\troughnessmap: {\n\n\t\troughnessMap: { value: null }\n\n\t},\n\n\tmetalnessmap: {\n\n\t\tmetalnessMap: { value: null }\n\n\t},\n\n\tgradientmap: {\n\n\t\tgradientMap: { value: null }\n\n\t},\n\n\tfog: {\n\n\t\tfogDensity: { value: 0.00025 },\n\t\tfogNear: { value: 1 },\n\t\tfogFar: { value: 2000 },\n\t\tfogColor: { value: new Color( 0xffffff ) }\n\n\t},\n\n\tlights: {\n\n\t\tambientLightColor: { value: [] },\n\n\t\tlightProbe: { value: [] },\n\n\t\tdirectionalLights: { value: [], properties: {\n\t\t\tdirection: {},\n\t\t\tcolor: {}\n\t\t} },\n\n\t\tdirectionalLightShadows: { value: [], properties: {\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {}\n\t\t} },\n\n\t\tdirectionalShadowMap: { value: [] },\n\t\tdirectionalShadowMatrix: { value: [] },\n\n\t\tspotLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\tdirection: {},\n\t\t\tdistance: {},\n\t\t\tconeCos: {},\n\t\t\tpenumbraCos: {},\n\t\t\tdecay: {}\n\t\t} },\n\n\t\tspotLightShadows: { value: [], properties: {\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {}\n\t\t} },\n\n\t\tspotShadowMap: { value: [] },\n\t\tspotShadowMatrix: { value: [] },\n\n\t\tpointLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\tdecay: {},\n\t\t\tdistance: {}\n\t\t} },\n\n\t\tpointLightShadows: { value: [], properties: {\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {},\n\t\t\tshadowCameraNear: {},\n\t\t\tshadowCameraFar: {}\n\t\t} },\n\n\t\tpointShadowMap: { value: [] },\n\t\tpointShadowMatrix: { value: [] },\n\n\t\themisphereLights: { value: [], properties: {\n\t\t\tdirection: {},\n\t\t\tskyColor: {},\n\t\t\tgroundColor: {}\n\t\t} },\n\n\t\t// TODO (abelnation): RectAreaLight BRDF data needs to be moved from example to main src\n\t\trectAreaLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\twidth: {},\n\t\t\theight: {}\n\t\t} },\n\n\t\tltc_1: { value: null },\n\t\tltc_2: { value: null }\n\n\t},\n\n\tpoints: {\n\n\t\tdiffuse: { value: new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\t\tsize: { value: 1.0 },\n\t\tscale: { value: 1.0 },\n\t\tmap: { value: null },\n\t\talphaMap: { value: null },\n\t\talphaTest: { value: 0 },\n\t\tuvTransform: { value: new Matrix3() }\n\n\t},\n\n\tsprite: {\n\n\t\tdiffuse: { value: new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\t\tcenter: { value: new Vector2( 0.5, 0.5 ) },\n\t\trotation: { value: 0.0 },\n\t\tmap: { value: null },\n\t\talphaMap: { value: null },\n\t\talphaTest: { value: 0 },\n\t\tuvTransform: { value: new Matrix3() }\n\n\t}\n\n};\n\nconst ShaderLib = {\n\n\tbasic: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshbasic_vert,\n\t\tfragmentShader: ShaderChunk.meshbasic_frag\n\n\t},\n\n\tlambert: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: new Color( 0x000000 ) }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshlambert_vert,\n\t\tfragmentShader: ShaderChunk.meshlambert_frag\n\n\t},\n\n\tphong: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: new Color( 0x000000 ) },\n\t\t\t\tspecular: { value: new Color( 0x111111 ) },\n\t\t\t\tshininess: { value: 30 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphong_vert,\n\t\tfragmentShader: ShaderChunk.meshphong_frag\n\n\t},\n\n\tstandard: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.roughnessmap,\n\t\t\tUniformsLib.metalnessmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: new Color( 0x000000 ) },\n\t\t\t\troughness: { value: 1.0 },\n\t\t\t\tmetalness: { value: 0.0 },\n\t\t\t\tenvMapIntensity: { value: 1 } // temporary\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t},\n\n\ttoon: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.gradientmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: new Color( 0x000000 ) }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshtoon_vert,\n\t\tfragmentShader: ShaderChunk.meshtoon_frag\n\n\t},\n\n\tmatcap: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tmatcap: { value: null }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshmatcap_vert,\n\t\tfragmentShader: ShaderChunk.meshmatcap_frag\n\n\t},\n\n\tpoints: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.points,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.points_vert,\n\t\tfragmentShader: ShaderChunk.points_frag\n\n\t},\n\n\tdashed: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tscale: { value: 1 },\n\t\t\t\tdashSize: { value: 1 },\n\t\t\t\ttotalSize: { value: 2 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.linedashed_vert,\n\t\tfragmentShader: ShaderChunk.linedashed_frag\n\n\t},\n\n\tdepth: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.displacementmap\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.depth_vert,\n\t\tfragmentShader: ShaderChunk.depth_frag\n\n\t},\n\n\tnormal: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\t{\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshnormal_vert,\n\t\tfragmentShader: ShaderChunk.meshnormal_frag\n\n\t},\n\n\tsprite: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.sprite,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.sprite_vert,\n\t\tfragmentShader: ShaderChunk.sprite_frag\n\n\t},\n\n\tbackground: {\n\n\t\tuniforms: {\n\t\t\tuvTransform: { value: new Matrix3() },\n\t\t\tt2D: { value: null },\n\t\t},\n\n\t\tvertexShader: ShaderChunk.background_vert,\n\t\tfragmentShader: ShaderChunk.background_frag\n\n\t},\n\t/* -------------------------------------------------------------------------\n\t//\tCube map shader\n\t ------------------------------------------------------------------------- */\n\n\tcube: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.envmap,\n\t\t\t{\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.cube_vert,\n\t\tfragmentShader: ShaderChunk.cube_frag\n\n\t},\n\n\tequirect: {\n\n\t\tuniforms: {\n\t\t\ttEquirect: { value: null },\n\t\t},\n\n\t\tvertexShader: ShaderChunk.equirect_vert,\n\t\tfragmentShader: ShaderChunk.equirect_frag\n\n\t},\n\n\tdistanceRGBA: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.displacementmap,\n\t\t\t{\n\t\t\t\treferencePosition: { value: new Vector3() },\n\t\t\t\tnearDistance: { value: 1 },\n\t\t\t\tfarDistance: { value: 1000 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.distanceRGBA_vert,\n\t\tfragmentShader: ShaderChunk.distanceRGBA_frag\n\n\t},\n\n\tshadow: {\n\n\t\tuniforms: mergeUniforms( [\n\t\t\tUniformsLib.lights,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tcolor: { value: new Color( 0x00000 ) },\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t},\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.shadow_vert,\n\t\tfragmentShader: ShaderChunk.shadow_frag\n\n\t}\n\n};\n\nShaderLib.physical = {\n\n\tuniforms: mergeUniforms( [\n\t\tShaderLib.standard.uniforms,\n\t\t{\n\t\t\tclearcoat: { value: 0 },\n\t\t\tclearcoatMap: { value: null },\n\t\t\tclearcoatRoughness: { value: 0 },\n\t\t\tclearcoatRoughnessMap: { value: null },\n\t\t\tclearcoatNormalScale: { value: new Vector2( 1, 1 ) },\n\t\t\tclearcoatNormalMap: { value: null },\n\t\t\tsheen: { value: 0 },\n\t\t\tsheenColor: { value: new Color( 0x000000 ) },\n\t\t\tsheenColorMap: { value: null },\n\t\t\tsheenRoughness: { value: 0 },\n\t\t\tsheenRoughnessMap: { value: null },\n\t\t\ttransmission: { value: 0 },\n\t\t\ttransmissionMap: { value: null },\n\t\t\ttransmissionSamplerSize: { value: new Vector2() },\n\t\t\ttransmissionSamplerMap: { value: null },\n\t\t\tthickness: { value: 0 },\n\t\t\tthicknessMap: { value: null },\n\t\t\tattenuationDistance: { value: 0 },\n\t\t\tattenuationColor: { value: new Color( 0x000000 ) },\n\t\t\tspecularIntensity: { value: 0 },\n\t\t\tspecularIntensityMap: { value: null },\n\t\t\tspecularColor: { value: new Color( 1, 1, 1 ) },\n\t\t\tspecularColorMap: { value: null },\n\t\t}\n\t] ),\n\n\tvertexShader: ShaderChunk.meshphysical_vert,\n\tfragmentShader: ShaderChunk.meshphysical_frag\n\n};\n\nfunction WebGLBackground( renderer, cubemaps, state, objects, premultipliedAlpha ) {\n\n\tconst clearColor = new Color( 0x000000 );\n\tlet clearAlpha = 0;\n\n\tlet planeMesh;\n\tlet boxMesh;\n\n\tlet currentBackground = null;\n\tlet currentBackgroundVersion = 0;\n\tlet currentTonemapping = null;\n\n\tfunction render( renderList, scene ) {\n\n\t\tlet forceClear = false;\n\t\tlet background = scene.isScene === true ? scene.background : null;\n\n\t\tif ( background && background.isTexture ) {\n\n\t\t\tbackground = cubemaps.get( background );\n\n\t\t}\n\n\t\t// Ignore background in AR\n\t\t// TODO: Reconsider this.\n\n\t\tconst xr = renderer.xr;\n\t\tconst session = xr.getSession && xr.getSession();\n\n\t\tif ( session && session.environmentBlendMode === 'additive' ) {\n\n\t\t\tbackground = null;\n\n\t\t}\n\n\t\tif ( background === null ) {\n\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t} else if ( background && background.isColor ) {\n\n\t\t\tsetClear( background, 1 );\n\t\t\tforceClear = true;\n\n\t\t}\n\n\t\tif ( renderer.autoClear || forceClear ) {\n\n\t\t\trenderer.clear( renderer.autoClearColor, renderer.autoClearDepth, renderer.autoClearStencil );\n\n\t\t}\n\n\t\tif ( background && ( background.isCubeTexture || background.mapping === CubeUVReflectionMapping ) ) {\n\n\t\t\tif ( boxMesh === undefined ) {\n\n\t\t\t\tboxMesh = new Mesh(\n\t\t\t\t\tnew BoxGeometry( 1, 1, 1 ),\n\t\t\t\t\tnew ShaderMaterial( {\n\t\t\t\t\t\tname: 'BackgroundCubeMaterial',\n\t\t\t\t\t\tuniforms: cloneUniforms( ShaderLib.cube.uniforms ),\n\t\t\t\t\t\tvertexShader: ShaderLib.cube.vertexShader,\n\t\t\t\t\t\tfragmentShader: ShaderLib.cube.fragmentShader,\n\t\t\t\t\t\tside: BackSide,\n\t\t\t\t\t\tdepthTest: false,\n\t\t\t\t\t\tdepthWrite: false,\n\t\t\t\t\t\tfog: false\n\t\t\t\t\t} )\n\t\t\t\t);\n\n\t\t\t\tboxMesh.geometry.deleteAttribute( 'normal' );\n\t\t\t\tboxMesh.geometry.deleteAttribute( 'uv' );\n\n\t\t\t\tboxMesh.onBeforeRender = function ( renderer, scene, camera ) {\n\n\t\t\t\t\tthis.matrixWorld.copyPosition( camera.matrixWorld );\n\n\t\t\t\t};\n\n\t\t\t\t// enable code injection for non-built-in material\n\t\t\t\tObject.defineProperty( boxMesh.material, 'envMap', {\n\n\t\t\t\t\tget: function () {\n\n\t\t\t\t\t\treturn this.uniforms.envMap.value;\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\tobjects.update( boxMesh );\n\n\t\t\t}\n\n\t\t\tboxMesh.material.uniforms.envMap.value = background;\n\t\t\tboxMesh.material.uniforms.flipEnvMap.value = ( background.isCubeTexture && background.isRenderTargetTexture === false ) ? - 1 : 1;\n\n\t\t\tif ( currentBackground !== background ||\n\t\t\t\tcurrentBackgroundVersion !== background.version ||\n\t\t\t\tcurrentTonemapping !== renderer.toneMapping ) {\n\n\t\t\t\tboxMesh.material.needsUpdate = true;\n\n\t\t\t\tcurrentBackground = background;\n\t\t\t\tcurrentBackgroundVersion = background.version;\n\t\t\t\tcurrentTonemapping = renderer.toneMapping;\n\n\t\t\t}\n\n\t\t\t// push to the pre-sorted opaque render list\n\t\t\trenderList.unshift( boxMesh, boxMesh.geometry, boxMesh.material, 0, 0, null );\n\n\t\t} else if ( background && background.isTexture ) {\n\n\t\t\tif ( planeMesh === undefined ) {\n\n\t\t\t\tplaneMesh = new Mesh(\n\t\t\t\t\tnew PlaneGeometry( 2, 2 ),\n\t\t\t\t\tnew ShaderMaterial( {\n\t\t\t\t\t\tname: 'BackgroundMaterial',\n\t\t\t\t\t\tuniforms: cloneUniforms( ShaderLib.background.uniforms ),\n\t\t\t\t\t\tvertexShader: ShaderLib.background.vertexShader,\n\t\t\t\t\t\tfragmentShader: ShaderLib.background.fragmentShader,\n\t\t\t\t\t\tside: FrontSide,\n\t\t\t\t\t\tdepthTest: false,\n\t\t\t\t\t\tdepthWrite: false,\n\t\t\t\t\t\tfog: false\n\t\t\t\t\t} )\n\t\t\t\t);\n\n\t\t\t\tplaneMesh.geometry.deleteAttribute( 'normal' );\n\n\t\t\t\t// enable code injection for non-built-in material\n\t\t\t\tObject.defineProperty( planeMesh.material, 'map', {\n\n\t\t\t\t\tget: function () {\n\n\t\t\t\t\t\treturn this.uniforms.t2D.value;\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\tobjects.update( planeMesh );\n\n\t\t\t}\n\n\t\t\tplaneMesh.material.uniforms.t2D.value = background;\n\n\t\t\tif ( background.matrixAutoUpdate === true ) {\n\n\t\t\t\tbackground.updateMatrix();\n\n\t\t\t}\n\n\t\t\tplaneMesh.material.uniforms.uvTransform.value.copy( background.matrix );\n\n\t\t\tif ( currentBackground !== background ||\n\t\t\t\tcurrentBackgroundVersion !== background.version ||\n\t\t\t\tcurrentTonemapping !== renderer.toneMapping ) {\n\n\t\t\t\tplaneMesh.material.needsUpdate = true;\n\n\t\t\t\tcurrentBackground = background;\n\t\t\t\tcurrentBackgroundVersion = background.version;\n\t\t\t\tcurrentTonemapping = renderer.toneMapping;\n\n\t\t\t}\n\n\n\t\t\t// push to the pre-sorted opaque render list\n\t\t\trenderList.unshift( planeMesh, planeMesh.geometry, planeMesh.material, 0, 0, null );\n\n\t\t}\n\n\t}\n\n\tfunction setClear( color, alpha ) {\n\n\t\tstate.buffers.color.setClear( color.r, color.g, color.b, alpha, premultipliedAlpha );\n\n\t}\n\n\treturn {\n\n\t\tgetClearColor: function () {\n\n\t\t\treturn clearColor;\n\n\t\t},\n\t\tsetClearColor: function ( color, alpha = 1 ) {\n\n\t\t\tclearColor.set( color );\n\t\t\tclearAlpha = alpha;\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t},\n\t\tgetClearAlpha: function () {\n\n\t\t\treturn clearAlpha;\n\n\t\t},\n\t\tsetClearAlpha: function ( alpha ) {\n\n\t\t\tclearAlpha = alpha;\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t},\n\t\trender: render\n\n\t};\n\n}\n\nfunction WebGLBindingStates( gl, extensions, attributes, capabilities ) {\n\n\tconst maxVertexAttributes = gl.getParameter( 34921 );\n\n\tconst extension = capabilities.isWebGL2 ? null : extensions.get( 'OES_vertex_array_object' );\n\tconst vaoAvailable = capabilities.isWebGL2 || extension !== null;\n\n\tconst bindingStates = {};\n\n\tconst defaultState = createBindingState( null );\n\tlet currentState = defaultState;\n\n\tfunction setup( object, material, program, geometry, index ) {\n\n\t\tlet updateBuffers = false;\n\n\t\tif ( vaoAvailable ) {\n\n\t\t\tconst state = getBindingState( geometry, program, material );\n\n\t\t\tif ( currentState !== state ) {\n\n\t\t\t\tcurrentState = state;\n\t\t\t\tbindVertexArrayObject( currentState.object );\n\n\t\t\t}\n\n\t\t\tupdateBuffers = needsUpdate( geometry, index );\n\n\t\t\tif ( updateBuffers ) saveCache( geometry, index );\n\n\t\t} else {\n\n\t\t\tconst wireframe = ( material.wireframe === true );\n\n\t\t\tif ( currentState.geometry !== geometry.id ||\n\t\t\t\tcurrentState.program !== program.id ||\n\t\t\t\tcurrentState.wireframe !== wireframe ) {\n\n\t\t\t\tcurrentState.geometry = geometry.id;\n\t\t\t\tcurrentState.program = program.id;\n\t\t\t\tcurrentState.wireframe = wireframe;\n\n\t\t\t\tupdateBuffers = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( object.isInstancedMesh === true ) {\n\n\t\t\tupdateBuffers = true;\n\n\t\t}\n\n\t\tif ( index !== null ) {\n\n\t\t\tattributes.update( index, 34963 );\n\n\t\t}\n\n\t\tif ( updateBuffers ) {\n\n\t\t\tsetupVertexAttributes( object, material, program, geometry );\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tgl.bindBuffer( 34963, attributes.get( index ).buffer );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction createVertexArrayObject() {\n\n\t\tif ( capabilities.isWebGL2 ) return gl.createVertexArray();\n\n\t\treturn extension.createVertexArrayOES();\n\n\t}\n\n\tfunction bindVertexArrayObject( vao ) {\n\n\t\tif ( capabilities.isWebGL2 ) return gl.bindVertexArray( vao );\n\n\t\treturn extension.bindVertexArrayOES( vao );\n\n\t}\n\n\tfunction deleteVertexArrayObject( vao ) {\n\n\t\tif ( capabilities.isWebGL2 ) return gl.deleteVertexArray( vao );\n\n\t\treturn extension.deleteVertexArrayOES( vao );\n\n\t}\n\n\tfunction getBindingState( geometry, program, material ) {\n\n\t\tconst wireframe = ( material.wireframe === true );\n\n\t\tlet programMap = bindingStates[ geometry.id ];\n\n\t\tif ( programMap === undefined ) {\n\n\t\t\tprogramMap = {};\n\t\t\tbindingStates[ geometry.id ] = programMap;\n\n\t\t}\n\n\t\tlet stateMap = programMap[ program.id ];\n\n\t\tif ( stateMap === undefined ) {\n\n\t\t\tstateMap = {};\n\t\t\tprogramMap[ program.id ] = stateMap;\n\n\t\t}\n\n\t\tlet state = stateMap[ wireframe ];\n\n\t\tif ( state === undefined ) {\n\n\t\t\tstate = createBindingState( createVertexArrayObject() );\n\t\t\tstateMap[ wireframe ] = state;\n\n\t\t}\n\n\t\treturn state;\n\n\t}\n\n\tfunction createBindingState( vao ) {\n\n\t\tconst newAttributes = [];\n\t\tconst enabledAttributes = [];\n\t\tconst attributeDivisors = [];\n\n\t\tfor ( let i = 0; i < maxVertexAttributes; i ++ ) {\n\n\t\t\tnewAttributes[ i ] = 0;\n\t\t\tenabledAttributes[ i ] = 0;\n\t\t\tattributeDivisors[ i ] = 0;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\t// for backward compatibility on non-VAO support browser\n\t\t\tgeometry: null,\n\t\t\tprogram: null,\n\t\t\twireframe: false,\n\n\t\t\tnewAttributes: newAttributes,\n\t\t\tenabledAttributes: enabledAttributes,\n\t\t\tattributeDivisors: attributeDivisors,\n\t\t\tobject: vao,\n\t\t\tattributes: {},\n\t\t\tindex: null\n\n\t\t};\n\n\t}\n\n\tfunction needsUpdate( geometry, index ) {\n\n\t\tconst cachedAttributes = currentState.attributes;\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\tlet attributesNum = 0;\n\n\t\tfor ( const key in geometryAttributes ) {\n\n\t\t\tconst cachedAttribute = cachedAttributes[ key ];\n\t\t\tconst geometryAttribute = geometryAttributes[ key ];\n\n\t\t\tif ( cachedAttribute === undefined ) return true;\n\n\t\t\tif ( cachedAttribute.attribute !== geometryAttribute ) return true;\n\n\t\t\tif ( cachedAttribute.data !== geometryAttribute.data ) return true;\n\n\t\t\tattributesNum ++;\n\n\t\t}\n\n\t\tif ( currentState.attributesNum !== attributesNum ) return true;\n\n\t\tif ( currentState.index !== index ) return true;\n\n\t\treturn false;\n\n\t}\n\n\tfunction saveCache( geometry, index ) {\n\n\t\tconst cache = {};\n\t\tconst attributes = geometry.attributes;\n\t\tlet attributesNum = 0;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tconst attribute = attributes[ key ];\n\n\t\t\tconst data = {};\n\t\t\tdata.attribute = attribute;\n\n\t\t\tif ( attribute.data ) {\n\n\t\t\t\tdata.data = attribute.data;\n\n\t\t\t}\n\n\t\t\tcache[ key ] = data;\n\n\t\t\tattributesNum ++;\n\n\t\t}\n\n\t\tcurrentState.attributes = cache;\n\t\tcurrentState.attributesNum = attributesNum;\n\n\t\tcurrentState.index = index;\n\n\t}\n\n\tfunction initAttributes() {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\n\t\tfor ( let i = 0, il = newAttributes.length; i < il; i ++ ) {\n\n\t\t\tnewAttributes[ i ] = 0;\n\n\t\t}\n\n\t}\n\n\tfunction enableAttribute( attribute ) {\n\n\t\tenableAttributeAndDivisor( attribute, 0 );\n\n\t}\n\n\tfunction enableAttributeAndDivisor( attribute, meshPerAttribute ) {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\t\tconst enabledAttributes = currentState.enabledAttributes;\n\t\tconst attributeDivisors = currentState.attributeDivisors;\n\n\t\tnewAttributes[ attribute ] = 1;\n\n\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t}\n\n\t\tif ( attributeDivisors[ attribute ] !== meshPerAttribute ) {\n\n\t\t\tconst extension = capabilities.isWebGL2 ? gl : extensions.get( 'ANGLE_instanced_arrays' );\n\n\t\t\textension[ capabilities.isWebGL2 ? 'vertexAttribDivisor' : 'vertexAttribDivisorANGLE' ]( attribute, meshPerAttribute );\n\t\t\tattributeDivisors[ attribute ] = meshPerAttribute;\n\n\t\t}\n\n\t}\n\n\tfunction disableUnusedAttributes() {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\t\tconst enabledAttributes = currentState.enabledAttributes;\n\n\t\tfor ( let i = 0, il = enabledAttributes.length; i < il; i ++ ) {\n\n\t\t\tif ( enabledAttributes[ i ] !== newAttributes[ i ] ) {\n\n\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction vertexAttribPointer( index, size, type, normalized, stride, offset ) {\n\n\t\tif ( capabilities.isWebGL2 === true && ( type === 5124 || type === 5125 ) ) {\n\n\t\t\tgl.vertexAttribIPointer( index, size, type, stride, offset );\n\n\t\t} else {\n\n\t\t\tgl.vertexAttribPointer( index, size, type, normalized, stride, offset );\n\n\t\t}\n\n\t}\n\n\tfunction setupVertexAttributes( object, material, program, geometry ) {\n\n\t\tif ( capabilities.isWebGL2 === false && ( object.isInstancedMesh || geometry.isInstancedBufferGeometry ) ) {\n\n\t\t\tif ( extensions.get( 'ANGLE_instanced_arrays' ) === null ) return;\n\n\t\t}\n\n\t\tinitAttributes();\n\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\tconst programAttributes = program.getAttributes();\n\n\t\tconst materialDefaultAttributeValues = material.defaultAttributeValues;\n\n\t\tfor ( const name in programAttributes ) {\n\n\t\t\tconst programAttribute = programAttributes[ name ];\n\n\t\t\tif ( programAttribute.location >= 0 ) {\n\n\t\t\t\tlet geometryAttribute = geometryAttributes[ name ];\n\n\t\t\t\tif ( geometryAttribute === undefined ) {\n\n\t\t\t\t\tif ( name === 'instanceMatrix' && object.instanceMatrix ) geometryAttribute = object.instanceMatrix;\n\t\t\t\t\tif ( name === 'instanceColor' && object.instanceColor ) geometryAttribute = object.instanceColor;\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometryAttribute !== undefined ) {\n\n\t\t\t\t\tconst normalized = geometryAttribute.normalized;\n\t\t\t\t\tconst size = geometryAttribute.itemSize;\n\n\t\t\t\t\tconst attribute = attributes.get( geometryAttribute );\n\n\t\t\t\t\t// TODO Attribute may not be available on context restore\n\n\t\t\t\t\tif ( attribute === undefined ) continue;\n\n\t\t\t\t\tconst buffer = attribute.buffer;\n\t\t\t\t\tconst type = attribute.type;\n\t\t\t\t\tconst bytesPerElement = attribute.bytesPerElement;\n\n\t\t\t\t\tif ( geometryAttribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\tconst data = geometryAttribute.data;\n\t\t\t\t\t\tconst stride = data.stride;\n\t\t\t\t\t\tconst offset = geometryAttribute.offset;\n\n\t\t\t\t\t\tif ( data && data.isInstancedInterleavedBuffer ) {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttributeAndDivisor( programAttribute.location + i, data.meshPerAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( object.isInstancedMesh !== true && geometry._maxInstanceCount === undefined ) {\n\n\t\t\t\t\t\t\t\tgeometry._maxInstanceCount = data.meshPerAttribute * data.count;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttribute( programAttribute.location + i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgl.bindBuffer( 34962, buffer );\n\n\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\tvertexAttribPointer(\n\t\t\t\t\t\t\t\tprogramAttribute.location + i,\n\t\t\t\t\t\t\t\tsize / programAttribute.locationSize,\n\t\t\t\t\t\t\t\ttype,\n\t\t\t\t\t\t\t\tnormalized,\n\t\t\t\t\t\t\t\tstride * bytesPerElement,\n\t\t\t\t\t\t\t\t( offset + ( size / programAttribute.locationSize ) * i ) * bytesPerElement\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( geometryAttribute.isInstancedBufferAttribute ) {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttributeAndDivisor( programAttribute.location + i, geometryAttribute.meshPerAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( object.isInstancedMesh !== true && geometry._maxInstanceCount === undefined ) {\n\n\t\t\t\t\t\t\t\tgeometry._maxInstanceCount = geometryAttribute.meshPerAttribute * geometryAttribute.count;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttribute( programAttribute.location + i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgl.bindBuffer( 34962, buffer );\n\n\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\tvertexAttribPointer(\n\t\t\t\t\t\t\t\tprogramAttribute.location + i,\n\t\t\t\t\t\t\t\tsize / programAttribute.locationSize,\n\t\t\t\t\t\t\t\ttype,\n\t\t\t\t\t\t\t\tnormalized,\n\t\t\t\t\t\t\t\tsize * bytesPerElement,\n\t\t\t\t\t\t\t\t( size / programAttribute.locationSize ) * i * bytesPerElement\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( materialDefaultAttributeValues !== undefined ) {\n\n\t\t\t\t\tconst value = materialDefaultAttributeValues[ name ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\tswitch ( value.length ) {\n\n\t\t\t\t\t\t\tcase 2:\n\t\t\t\t\t\t\t\tgl.vertexAttrib2fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 3:\n\t\t\t\t\t\t\t\tgl.vertexAttrib3fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 4:\n\t\t\t\t\t\t\t\tgl.vertexAttrib4fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\tgl.vertexAttrib1fv( programAttribute.location, value );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tdisableUnusedAttributes();\n\n\t}\n\n\tfunction dispose() {\n\n\t\treset();\n\n\t\tfor ( const geometryId in bindingStates ) {\n\n\t\t\tconst programMap = bindingStates[ geometryId ];\n\n\t\t\tfor ( const programId in programMap ) {\n\n\t\t\t\tconst stateMap = programMap[ programId ];\n\n\t\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t\t}\n\n\t\t\t\tdelete programMap[ programId ];\n\n\t\t\t}\n\n\t\t\tdelete bindingStates[ geometryId ];\n\n\t\t}\n\n\t}\n\n\tfunction releaseStatesOfGeometry( geometry ) {\n\n\t\tif ( bindingStates[ geometry.id ] === undefined ) return;\n\n\t\tconst programMap = bindingStates[ geometry.id ];\n\n\t\tfor ( const programId in programMap ) {\n\n\t\t\tconst stateMap = programMap[ programId ];\n\n\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t}\n\n\t\t\tdelete programMap[ programId ];\n\n\t\t}\n\n\t\tdelete bindingStates[ geometry.id ];\n\n\t}\n\n\tfunction releaseStatesOfProgram( program ) {\n\n\t\tfor ( const geometryId in bindingStates ) {\n\n\t\t\tconst programMap = bindingStates[ geometryId ];\n\n\t\t\tif ( programMap[ program.id ] === undefined ) continue;\n\n\t\t\tconst stateMap = programMap[ program.id ];\n\n\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t}\n\n\t\t\tdelete programMap[ program.id ];\n\n\t\t}\n\n\t}\n\n\tfunction reset() {\n\n\t\tresetDefaultState();\n\n\t\tif ( currentState === defaultState ) return;\n\n\t\tcurrentState = defaultState;\n\t\tbindVertexArrayObject( currentState.object );\n\n\t}\n\n\t// for backward-compatilibity\n\n\tfunction resetDefaultState() {\n\n\t\tdefaultState.geometry = null;\n\t\tdefaultState.program = null;\n\t\tdefaultState.wireframe = false;\n\n\t}\n\n\treturn {\n\n\t\tsetup: setup,\n\t\treset: reset,\n\t\tresetDefaultState: resetDefaultState,\n\t\tdispose: dispose,\n\t\treleaseStatesOfGeometry: releaseStatesOfGeometry,\n\t\treleaseStatesOfProgram: releaseStatesOfProgram,\n\n\t\tinitAttributes: initAttributes,\n\t\tenableAttribute: enableAttribute,\n\t\tdisableUnusedAttributes: disableUnusedAttributes\n\n\t};\n\n}\n\nfunction WebGLBufferRenderer( gl, extensions, info, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tlet mode;\n\n\tfunction setMode( value ) {\n\n\t\tmode = value;\n\n\t}\n\n\tfunction render( start, count ) {\n\n\t\tgl.drawArrays( mode, start, count );\n\n\t\tinfo.update( count, mode, 1 );\n\n\t}\n\n\tfunction renderInstances( start, count, primcount ) {\n\n\t\tif ( primcount === 0 ) return;\n\n\t\tlet extension, methodName;\n\n\t\tif ( isWebGL2 ) {\n\n\t\t\textension = gl;\n\t\t\tmethodName = 'drawArraysInstanced';\n\n\t\t} else {\n\n\t\t\textension = extensions.get( 'ANGLE_instanced_arrays' );\n\t\t\tmethodName = 'drawArraysInstancedANGLE';\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\textension[ methodName ]( mode, start, count, primcount );\n\n\t\tinfo.update( count, mode, primcount );\n\n\t}\n\n\t//\n\n\tthis.setMode = setMode;\n\tthis.render = render;\n\tthis.renderInstances = renderInstances;\n\n}\n\nfunction WebGLCapabilities( gl, extensions, parameters ) {\n\n\tlet maxAnisotropy;\n\n\tfunction getMaxAnisotropy() {\n\n\t\tif ( maxAnisotropy !== undefined ) return maxAnisotropy;\n\n\t\tif ( extensions.has( 'EXT_texture_filter_anisotropic' ) === true ) {\n\n\t\t\tconst extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tmaxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT );\n\n\t\t} else {\n\n\t\t\tmaxAnisotropy = 0;\n\n\t\t}\n\n\t\treturn maxAnisotropy;\n\n\t}\n\n\tfunction getMaxPrecision( precision ) {\n\n\t\tif ( precision === 'highp' ) {\n\n\t\t\tif ( gl.getShaderPrecisionFormat( 35633, 36338 ).precision > 0 &&\n\t\t\t\tgl.getShaderPrecisionFormat( 35632, 36338 ).precision > 0 ) {\n\n\t\t\t\treturn 'highp';\n\n\t\t\t}\n\n\t\t\tprecision = 'mediump';\n\n\t\t}\n\n\t\tif ( precision === 'mediump' ) {\n\n\t\t\tif ( gl.getShaderPrecisionFormat( 35633, 36337 ).precision > 0 &&\n\t\t\t\tgl.getShaderPrecisionFormat( 35632, 36337 ).precision > 0 ) {\n\n\t\t\t\treturn 'mediump';\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn 'lowp';\n\n\t}\n\n\t/* eslint-disable no-undef */\n\tconst isWebGL2 = ( typeof WebGL2RenderingContext !== 'undefined' && gl instanceof WebGL2RenderingContext ) ||\n\t\t( typeof WebGL2ComputeRenderingContext !== 'undefined' && gl instanceof WebGL2ComputeRenderingContext );\n\t/* eslint-enable no-undef */\n\n\tlet precision = parameters.precision !== undefined ? parameters.precision : 'highp';\n\tconst maxPrecision = getMaxPrecision( precision );\n\n\tif ( maxPrecision !== precision ) {\n\n\t\tconsole.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' );\n\t\tprecision = maxPrecision;\n\n\t}\n\n\tconst drawBuffers = isWebGL2 || extensions.has( 'WEBGL_draw_buffers' );\n\n\tconst logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true;\n\n\tconst maxTextures = gl.getParameter( 34930 );\n\tconst maxVertexTextures = gl.getParameter( 35660 );\n\tconst maxTextureSize = gl.getParameter( 3379 );\n\tconst maxCubemapSize = gl.getParameter( 34076 );\n\n\tconst maxAttributes = gl.getParameter( 34921 );\n\tconst maxVertexUniforms = gl.getParameter( 36347 );\n\tconst maxVaryings = gl.getParameter( 36348 );\n\tconst maxFragmentUniforms = gl.getParameter( 36349 );\n\n\tconst vertexTextures = maxVertexTextures > 0;\n\tconst floatFragmentTextures = isWebGL2 || extensions.has( 'OES_texture_float' );\n\tconst floatVertexTextures = vertexTextures && floatFragmentTextures;\n\n\tconst maxSamples = isWebGL2 ? gl.getParameter( 36183 ) : 0;\n\n\treturn {\n\n\t\tisWebGL2: isWebGL2,\n\n\t\tdrawBuffers: drawBuffers,\n\n\t\tgetMaxAnisotropy: getMaxAnisotropy,\n\t\tgetMaxPrecision: getMaxPrecision,\n\n\t\tprecision: precision,\n\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\n\t\tmaxTextures: maxTextures,\n\t\tmaxVertexTextures: maxVertexTextures,\n\t\tmaxTextureSize: maxTextureSize,\n\t\tmaxCubemapSize: maxCubemapSize,\n\n\t\tmaxAttributes: maxAttributes,\n\t\tmaxVertexUniforms: maxVertexUniforms,\n\t\tmaxVaryings: maxVaryings,\n\t\tmaxFragmentUniforms: maxFragmentUniforms,\n\n\t\tvertexTextures: vertexTextures,\n\t\tfloatFragmentTextures: floatFragmentTextures,\n\t\tfloatVertexTextures: floatVertexTextures,\n\n\t\tmaxSamples: maxSamples\n\n\t};\n\n}\n\nfunction WebGLClipping( properties ) {\n\n\tconst scope = this;\n\n\tlet globalState = null,\n\t\tnumGlobalPlanes = 0,\n\t\tlocalClippingEnabled = false,\n\t\trenderingShadows = false;\n\n\tconst plane = new Plane(),\n\t\tviewNormalMatrix = new Matrix3(),\n\n\t\tuniform = { value: null, needsUpdate: false };\n\n\tthis.uniform = uniform;\n\tthis.numPlanes = 0;\n\tthis.numIntersection = 0;\n\n\tthis.init = function ( planes, enableLocalClipping, camera ) {\n\n\t\tconst enabled =\n\t\t\tplanes.length !== 0 ||\n\t\t\tenableLocalClipping ||\n\t\t\t// enable state of previous frame - the clipping code has to\n\t\t\t// run another frame in order to reset the state:\n\t\t\tnumGlobalPlanes !== 0 ||\n\t\t\tlocalClippingEnabled;\n\n\t\tlocalClippingEnabled = enableLocalClipping;\n\n\t\tglobalState = projectPlanes( planes, camera, 0 );\n\t\tnumGlobalPlanes = planes.length;\n\n\t\treturn enabled;\n\n\t};\n\n\tthis.beginShadows = function () {\n\n\t\trenderingShadows = true;\n\t\tprojectPlanes( null );\n\n\t};\n\n\tthis.endShadows = function () {\n\n\t\trenderingShadows = false;\n\t\tresetGlobalState();\n\n\t};\n\n\tthis.setState = function ( material, camera, useCache ) {\n\n\t\tconst planes = material.clippingPlanes,\n\t\t\tclipIntersection = material.clipIntersection,\n\t\t\tclipShadows = material.clipShadows;\n\n\t\tconst materialProperties = properties.get( material );\n\n\t\tif ( ! localClippingEnabled || planes === null || planes.length === 0 || renderingShadows && ! clipShadows ) {\n\n\t\t\t// there's no local clipping\n\n\t\t\tif ( renderingShadows ) {\n\n\t\t\t\t// there's no global clipping\n\n\t\t\t\tprojectPlanes( null );\n\n\t\t\t} else {\n\n\t\t\t\tresetGlobalState();\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst nGlobal = renderingShadows ? 0 : numGlobalPlanes,\n\t\t\t\tlGlobal = nGlobal * 4;\n\n\t\t\tlet dstArray = materialProperties.clippingState || null;\n\n\t\t\tuniform.value = dstArray; // ensure unique state\n\n\t\t\tdstArray = projectPlanes( planes, camera, lGlobal, useCache );\n\n\t\t\tfor ( let i = 0; i !== lGlobal; ++ i ) {\n\n\t\t\t\tdstArray[ i ] = globalState[ i ];\n\n\t\t\t}\n\n\t\t\tmaterialProperties.clippingState = dstArray;\n\t\t\tthis.numIntersection = clipIntersection ? this.numPlanes : 0;\n\t\t\tthis.numPlanes += nGlobal;\n\n\t\t}\n\n\n\t};\n\n\tfunction resetGlobalState() {\n\n\t\tif ( uniform.value !== globalState ) {\n\n\t\t\tuniform.value = globalState;\n\t\t\tuniform.needsUpdate = numGlobalPlanes > 0;\n\n\t\t}\n\n\t\tscope.numPlanes = numGlobalPlanes;\n\t\tscope.numIntersection = 0;\n\n\t}\n\n\tfunction projectPlanes( planes, camera, dstOffset, skipTransform ) {\n\n\t\tconst nPlanes = planes !== null ? planes.length : 0;\n\t\tlet dstArray = null;\n\n\t\tif ( nPlanes !== 0 ) {\n\n\t\t\tdstArray = uniform.value;\n\n\t\t\tif ( skipTransform !== true || dstArray === null ) {\n\n\t\t\t\tconst flatSize = dstOffset + nPlanes * 4,\n\t\t\t\t\tviewMatrix = camera.matrixWorldInverse;\n\n\t\t\t\tviewNormalMatrix.getNormalMatrix( viewMatrix );\n\n\t\t\t\tif ( dstArray === null || dstArray.length < flatSize ) {\n\n\t\t\t\t\tdstArray = new Float32Array( flatSize );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0, i4 = dstOffset; i !== nPlanes; ++ i, i4 += 4 ) {\n\n\t\t\t\t\tplane.copy( planes[ i ] ).applyMatrix4( viewMatrix, viewNormalMatrix );\n\n\t\t\t\t\tplane.normal.toArray( dstArray, i4 );\n\t\t\t\t\tdstArray[ i4 + 3 ] = plane.constant;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tuniform.value = dstArray;\n\t\t\tuniform.needsUpdate = true;\n\n\t\t}\n\n\t\tscope.numPlanes = nPlanes;\n\t\tscope.numIntersection = 0;\n\n\t\treturn dstArray;\n\n\t}\n\n}\n\nfunction WebGLCubeMaps( renderer ) {\n\n\tlet cubemaps = new WeakMap();\n\n\tfunction mapTextureMapping( texture, mapping ) {\n\n\t\tif ( mapping === EquirectangularReflectionMapping ) {\n\n\t\t\ttexture.mapping = CubeReflectionMapping;\n\n\t\t} else if ( mapping === EquirectangularRefractionMapping ) {\n\n\t\t\ttexture.mapping = CubeRefractionMapping;\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction get( texture ) {\n\n\t\tif ( texture && texture.isTexture && texture.isRenderTargetTexture === false ) {\n\n\t\t\tconst mapping = texture.mapping;\n\n\t\t\tif ( mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping ) {\n\n\t\t\t\tif ( cubemaps.has( texture ) ) {\n\n\t\t\t\t\tconst cubemap = cubemaps.get( texture ).texture;\n\t\t\t\t\treturn mapTextureMapping( cubemap, texture.mapping );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst image = texture.image;\n\n\t\t\t\t\tif ( image && image.height > 0 ) {\n\n\t\t\t\t\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\t\t\t\t\tconst renderTarget = new WebGLCubeRenderTarget( image.height / 2 );\n\t\t\t\t\t\trenderTarget.fromEquirectangularTexture( renderer, texture );\n\t\t\t\t\t\tcubemaps.set( texture, renderTarget );\n\n\t\t\t\t\t\trenderer.setRenderTarget( currentRenderTarget );\n\n\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\treturn mapTextureMapping( renderTarget.texture, texture.mapping );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// image not yet ready. try the conversion next frame\n\n\t\t\t\t\t\treturn null;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tconst cubemap = cubemaps.get( texture );\n\n\t\tif ( cubemap !== undefined ) {\n\n\t\t\tcubemaps.delete( texture );\n\t\t\tcubemap.dispose();\n\n\t\t}\n\n\t}\n\n\tfunction dispose() {\n\n\t\tcubemaps = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nclass OrthographicCamera extends Camera {\n\n\tconstructor( left = - 1, right = 1, top = 1, bottom = - 1, near = 0.1, far = 2000 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'OrthographicCamera';\n\n\t\tthis.zoom = 1;\n\t\tthis.view = null;\n\n\t\tthis.left = left;\n\t\tthis.right = right;\n\t\tthis.top = top;\n\t\tthis.bottom = bottom;\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.left = source.left;\n\t\tthis.right = source.right;\n\t\tthis.top = source.top;\n\t\tthis.bottom = source.bottom;\n\t\tthis.near = source.near;\n\t\tthis.far = source.far;\n\n\t\tthis.zoom = source.zoom;\n\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\treturn this;\n\n\t}\n\n\tsetViewOffset( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\tif ( this.view === null ) {\n\n\t\t\tthis.view = {\n\t\t\t\tenabled: true,\n\t\t\t\tfullWidth: 1,\n\t\t\t\tfullHeight: 1,\n\t\t\t\toffsetX: 0,\n\t\t\t\toffsetY: 0,\n\t\t\t\twidth: 1,\n\t\t\t\theight: 1\n\t\t\t};\n\n\t\t}\n\n\t\tthis.view.enabled = true;\n\t\tthis.view.fullWidth = fullWidth;\n\t\tthis.view.fullHeight = fullHeight;\n\t\tthis.view.offsetX = x;\n\t\tthis.view.offsetY = y;\n\t\tthis.view.width = width;\n\t\tthis.view.height = height;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tclearViewOffset() {\n\n\t\tif ( this.view !== null ) {\n\n\t\t\tthis.view.enabled = false;\n\n\t\t}\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tupdateProjectionMatrix() {\n\n\t\tconst dx = ( this.right - this.left ) / ( 2 * this.zoom );\n\t\tconst dy = ( this.top - this.bottom ) / ( 2 * this.zoom );\n\t\tconst cx = ( this.right + this.left ) / 2;\n\t\tconst cy = ( this.top + this.bottom ) / 2;\n\n\t\tlet left = cx - dx;\n\t\tlet right = cx + dx;\n\t\tlet top = cy + dy;\n\t\tlet bottom = cy - dy;\n\n\t\tif ( this.view !== null && this.view.enabled ) {\n\n\t\t\tconst scaleW = ( this.right - this.left ) / this.view.fullWidth / this.zoom;\n\t\t\tconst scaleH = ( this.top - this.bottom ) / this.view.fullHeight / this.zoom;\n\n\t\t\tleft += scaleW * this.view.offsetX;\n\t\t\tright = left + scaleW * this.view.width;\n\t\t\ttop -= scaleH * this.view.offsetY;\n\t\t\tbottom = top - scaleH * this.view.height;\n\n\t\t}\n\n\t\tthis.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far );\n\n\t\tthis.projectionMatrixInverse.copy( this.projectionMatrix ).invert();\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.zoom = this.zoom;\n\t\tdata.object.left = this.left;\n\t\tdata.object.right = this.right;\n\t\tdata.object.top = this.top;\n\t\tdata.object.bottom = this.bottom;\n\t\tdata.object.near = this.near;\n\t\tdata.object.far = this.far;\n\n\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\treturn data;\n\n\t}\n\n}\n\nOrthographicCamera.prototype.isOrthographicCamera = true;\n\nclass RawShaderMaterial extends ShaderMaterial {\n\n\tconstructor( parameters ) {\n\n\t\tsuper( parameters );\n\n\t\tthis.type = 'RawShaderMaterial';\n\n\t}\n\n}\n\nRawShaderMaterial.prototype.isRawShaderMaterial = true;\n\nconst LOD_MIN = 4;\nconst LOD_MAX = 8;\nconst SIZE_MAX = Math.pow( 2, LOD_MAX );\n\n// The standard deviations (radians) associated with the extra mips. These are\n// chosen to approximate a Trowbridge-Reitz distribution function times the\n// geometric shadowing function. These sigma values squared must match the\n// variance #defines in cube_uv_reflection_fragment.glsl.js.\nconst EXTRA_LOD_SIGMA = [ 0.125, 0.215, 0.35, 0.446, 0.526, 0.582 ];\n\nconst TOTAL_LODS = LOD_MAX - LOD_MIN + 1 + EXTRA_LOD_SIGMA.length;\n\n// The maximum length of the blur for loop. Smaller sigmas will use fewer\n// samples and exit early, but not recompile the shader.\nconst MAX_SAMPLES = 20;\n\nconst ENCODINGS = {\n\t[ LinearEncoding ]: 0,\n\t[ sRGBEncoding ]: 1,\n\t[ RGBEEncoding ]: 2,\n\t[ RGBM7Encoding ]: 3,\n\t[ RGBM16Encoding ]: 4,\n\t[ RGBDEncoding ]: 5,\n\t[ GammaEncoding ]: 6\n};\n\nconst _flatCamera = /*@__PURE__*/ new OrthographicCamera();\nconst { _lodPlanes, _sizeLods, _sigmas } = /*@__PURE__*/ _createPlanes();\nconst _clearColor = /*@__PURE__*/ new Color();\nlet _oldTarget = null;\n\n// Golden Ratio\nconst PHI = ( 1 + Math.sqrt( 5 ) ) / 2;\nconst INV_PHI = 1 / PHI;\n\n// Vertices of a dodecahedron (except the opposites, which represent the\n// same axis), used as axis directions evenly spread on a sphere.\nconst _axisDirections = [\n\t/*@__PURE__*/ new Vector3( 1, 1, 1 ),\n\t/*@__PURE__*/ new Vector3( - 1, 1, 1 ),\n\t/*@__PURE__*/ new Vector3( 1, 1, - 1 ),\n\t/*@__PURE__*/ new Vector3( - 1, 1, - 1 ),\n\t/*@__PURE__*/ new Vector3( 0, PHI, INV_PHI ),\n\t/*@__PURE__*/ new Vector3( 0, PHI, - INV_PHI ),\n\t/*@__PURE__*/ new Vector3( INV_PHI, 0, PHI ),\n\t/*@__PURE__*/ new Vector3( - INV_PHI, 0, PHI ),\n\t/*@__PURE__*/ new Vector3( PHI, INV_PHI, 0 ),\n\t/*@__PURE__*/ new Vector3( - PHI, INV_PHI, 0 ) ];\n\n/**\n * This class generates a Prefiltered, Mipmapped Radiance Environment Map\n * (PMREM) from a cubeMap environment texture. This allows different levels of\n * blur to be quickly accessed based on material roughness. It is packed into a\n * special CubeUV format that allows us to perform custom interpolation so that\n * we can support nonlinear formats such as RGBE. Unlike a traditional mipmap\n * chain, it only goes down to the LOD_MIN level (above), and then creates extra\n * even more filtered 'mips' at the same LOD_MIN resolution, associated with\n * higher roughness levels. In this way we maintain resolution to smoothly\n * interpolate diffuse lighting while limiting sampling computation.\n *\n * Paper: Fast, Accurate Image-Based Lighting\n * https://drive.google.com/file/d/15y8r_UpKlU9SvV4ILb0C3qCPecS8pvLz/view\n*/\n\nclass PMREMGenerator {\n\n\tconstructor( renderer ) {\n\n\t\tthis._renderer = renderer;\n\t\tthis._pingPongRenderTarget = null;\n\n\t\tthis._blurMaterial = _getBlurShader( MAX_SAMPLES );\n\t\tthis._equirectShader = null;\n\t\tthis._cubemapShader = null;\n\n\t\tthis._compileMaterial( this._blurMaterial );\n\n\t}\n\n\t/**\n\t * Generates a PMREM from a supplied Scene, which can be faster than using an\n\t * image if networking bandwidth is low. Optional sigma specifies a blur radius\n\t * in radians to be applied to the scene before PMREM generation. Optional near\n\t * and far planes ensure the scene is rendered in its entirety (the cubeCamera\n\t * is placed at the origin).\n\t */\n\tfromScene( scene, sigma = 0, near = 0.1, far = 100 ) {\n\n\t\t_oldTarget = this._renderer.getRenderTarget();\n\t\tconst cubeUVRenderTarget = this._allocateTargets();\n\n\t\tthis._sceneToCubeUV( scene, near, far, cubeUVRenderTarget );\n\t\tif ( sigma > 0 ) {\n\n\t\t\tthis._blur( cubeUVRenderTarget, 0, 0, sigma );\n\n\t\t}\n\n\t\tthis._applyPMREM( cubeUVRenderTarget );\n\t\tthis._cleanup( cubeUVRenderTarget );\n\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t/**\n\t * Generates a PMREM from an equirectangular texture, which can be either LDR\n\t * (RGBFormat) or HDR (RGBEFormat). The ideal input image size is 1k (1024 x 512),\n\t * as this matches best with the 256 x 256 cubemap output.\n\t */\n\tfromEquirectangular( equirectangular ) {\n\n\t\treturn this._fromTexture( equirectangular );\n\n\t}\n\n\t/**\n\t * Generates a PMREM from an cubemap texture, which can be either LDR\n\t * (RGBFormat) or HDR (RGBEFormat). The ideal input cube size is 256 x 256,\n\t * as this matches best with the 256 x 256 cubemap output.\n\t */\n\tfromCubemap( cubemap ) {\n\n\t\treturn this._fromTexture( cubemap );\n\n\t}\n\n\t/**\n\t * Pre-compiles the cubemap shader. You can get faster start-up by invoking this method during\n\t * your texture's network fetch for increased concurrency.\n\t */\n\tcompileCubemapShader() {\n\n\t\tif ( this._cubemapShader === null ) {\n\n\t\t\tthis._cubemapShader = _getCubemapShader();\n\t\t\tthis._compileMaterial( this._cubemapShader );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Pre-compiles the equirectangular shader. You can get faster start-up by invoking this method during\n\t * your texture's network fetch for increased concurrency.\n\t */\n\tcompileEquirectangularShader() {\n\n\t\tif ( this._equirectShader === null ) {\n\n\t\t\tthis._equirectShader = _getEquirectShader();\n\t\t\tthis._compileMaterial( this._equirectShader );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Disposes of the PMREMGenerator's internal memory. Note that PMREMGenerator is a static class,\n\t * so you should not need more than one PMREMGenerator object. If you do, calling dispose() on\n\t * one of them will cause any others to also become unusable.\n\t */\n\tdispose() {\n\n\t\tthis._blurMaterial.dispose();\n\n\t\tif ( this._cubemapShader !== null ) this._cubemapShader.dispose();\n\t\tif ( this._equirectShader !== null ) this._equirectShader.dispose();\n\n\t\tfor ( let i = 0; i < _lodPlanes.length; i ++ ) {\n\n\t\t\t_lodPlanes[ i ].dispose();\n\n\t\t}\n\n\t}\n\n\t// private interface\n\n\t_cleanup( outputTarget ) {\n\n\t\tthis._pingPongRenderTarget.dispose();\n\t\tthis._renderer.setRenderTarget( _oldTarget );\n\t\toutputTarget.scissorTest = false;\n\t\t_setViewport( outputTarget, 0, 0, outputTarget.width, outputTarget.height );\n\n\t}\n\n\t_fromTexture( texture ) {\n\n\t\t_oldTarget = this._renderer.getRenderTarget();\n\t\tconst cubeUVRenderTarget = this._allocateTargets( texture );\n\t\tthis._textureToCubeUV( texture, cubeUVRenderTarget );\n\t\tthis._applyPMREM( cubeUVRenderTarget );\n\t\tthis._cleanup( cubeUVRenderTarget );\n\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t_allocateTargets( texture ) { // warning: null texture is valid\n\n\t\tconst params = {\n\t\t\tmagFilter: NearestFilter,\n\t\t\tminFilter: NearestFilter,\n\t\t\tgenerateMipmaps: false,\n\t\t\ttype: UnsignedByteType,\n\t\t\tformat: RGBEFormat,\n\t\t\tencoding: _isLDR( texture ) ? texture.encoding : RGBEEncoding,\n\t\t\tdepthBuffer: false\n\t\t};\n\n\t\tconst cubeUVRenderTarget = _createRenderTarget( params );\n\t\tcubeUVRenderTarget.depthBuffer = texture ? false : true;\n\t\tthis._pingPongRenderTarget = _createRenderTarget( params );\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t_compileMaterial( material ) {\n\n\t\tconst tmpMesh = new Mesh( _lodPlanes[ 0 ], material );\n\t\tthis._renderer.compile( tmpMesh, _flatCamera );\n\n\t}\n\n\t_sceneToCubeUV( scene, near, far, cubeUVRenderTarget ) {\n\n\t\tconst fov = 90;\n\t\tconst aspect = 1;\n\t\tconst cubeCamera = new PerspectiveCamera( fov, aspect, near, far );\n\t\tconst upSign = [ 1, - 1, 1, 1, 1, 1 ];\n\t\tconst forwardSign = [ 1, 1, 1, - 1, - 1, - 1 ];\n\t\tconst renderer = this._renderer;\n\n\t\tconst originalAutoClear = renderer.autoClear;\n\t\tconst outputEncoding = renderer.outputEncoding;\n\t\tconst toneMapping = renderer.toneMapping;\n\t\trenderer.getClearColor( _clearColor );\n\n\t\trenderer.toneMapping = NoToneMapping;\n\t\trenderer.outputEncoding = LinearEncoding;\n\t\trenderer.autoClear = false;\n\n\t\tconst backgroundMaterial = new MeshBasicMaterial( {\n\t\t\tname: 'PMREM.Background',\n\t\t\tside: BackSide,\n\t\t\tdepthWrite: false,\n\t\t\tdepthTest: false,\n\t\t} );\n\n\t\tconst backgroundBox = new Mesh( new BoxGeometry(), backgroundMaterial );\n\n\t\tlet useSolidColor = false;\n\t\tconst background = scene.background;\n\n\t\tif ( background ) {\n\n\t\t\tif ( background.isColor ) {\n\n\t\t\t\tbackgroundMaterial.color.copy( background );\n\t\t\t\tscene.background = null;\n\t\t\t\tuseSolidColor = true;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tbackgroundMaterial.color.copy( _clearColor );\n\t\t\tuseSolidColor = true;\n\n\t\t}\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst col = i % 3;\n\t\t\tif ( col == 0 ) {\n\n\t\t\t\tcubeCamera.up.set( 0, upSign[ i ], 0 );\n\t\t\t\tcubeCamera.lookAt( forwardSign[ i ], 0, 0 );\n\n\t\t\t} else if ( col == 1 ) {\n\n\t\t\t\tcubeCamera.up.set( 0, 0, upSign[ i ] );\n\t\t\t\tcubeCamera.lookAt( 0, forwardSign[ i ], 0 );\n\n\t\t\t} else {\n\n\t\t\t\tcubeCamera.up.set( 0, upSign[ i ], 0 );\n\t\t\t\tcubeCamera.lookAt( 0, 0, forwardSign[ i ] );\n\n\t\t\t}\n\n\t\t\t_setViewport( cubeUVRenderTarget,\n\t\t\t\tcol * SIZE_MAX, i > 2 ? SIZE_MAX : 0, SIZE_MAX, SIZE_MAX );\n\t\t\trenderer.setRenderTarget( cubeUVRenderTarget );\n\n\t\t\tif ( useSolidColor ) {\n\n\t\t\t\trenderer.render( backgroundBox, cubeCamera );\n\n\t\t\t}\n\n\t\t\trenderer.render( scene, cubeCamera );\n\n\t\t}\n\n\t\tbackgroundBox.geometry.dispose();\n\t\tbackgroundBox.material.dispose();\n\n\t\trenderer.toneMapping = toneMapping;\n\t\trenderer.outputEncoding = outputEncoding;\n\t\trenderer.autoClear = originalAutoClear;\n\t\tscene.background = background;\n\n\t}\n\n\t_setEncoding( uniform, texture ) {\n\n\t\t/* if ( this._renderer.capabilities.isWebGL2 === true && texture.format === RGBAFormat && texture.type === UnsignedByteType && texture.encoding === sRGBEncoding ) {\n\n\t\t\tuniform.value = ENCODINGS[ LinearEncoding ];\n\n\t\t} else {\n\n\t\t\tuniform.value = ENCODINGS[ texture.encoding ];\n\n\t\t} */\n\n\t\tuniform.value = ENCODINGS[ texture.encoding ];\n\n\t}\n\n\t_textureToCubeUV( texture, cubeUVRenderTarget ) {\n\n\t\tconst renderer = this._renderer;\n\n\t\tconst isCubeTexture = ( texture.mapping === CubeReflectionMapping || texture.mapping === CubeRefractionMapping );\n\n\t\tif ( isCubeTexture ) {\n\n\t\t\tif ( this._cubemapShader == null ) {\n\n\t\t\t\tthis._cubemapShader = _getCubemapShader();\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tif ( this._equirectShader == null ) {\n\n\t\t\t\tthis._equirectShader = _getEquirectShader();\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst material = isCubeTexture ? this._cubemapShader : this._equirectShader;\n\t\tconst mesh = new Mesh( _lodPlanes[ 0 ], material );\n\n\t\tconst uniforms = material.uniforms;\n\n\t\tuniforms[ 'envMap' ].value = texture;\n\n\t\tif ( ! isCubeTexture ) {\n\n\t\t\tuniforms[ 'texelSize' ].value.set( 1.0 / texture.image.width, 1.0 / texture.image.height );\n\n\t\t}\n\n\t\tthis._setEncoding( uniforms[ 'inputEncoding' ], texture );\n\t\tthis._setEncoding( uniforms[ 'outputEncoding' ], cubeUVRenderTarget.texture );\n\n\t\t_setViewport( cubeUVRenderTarget, 0, 0, 3 * SIZE_MAX, 2 * SIZE_MAX );\n\n\t\trenderer.setRenderTarget( cubeUVRenderTarget );\n\t\trenderer.render( mesh, _flatCamera );\n\n\t}\n\n\t_applyPMREM( cubeUVRenderTarget ) {\n\n\t\tconst renderer = this._renderer;\n\t\tconst autoClear = renderer.autoClear;\n\t\trenderer.autoClear = false;\n\n\t\tfor ( let i = 1; i < TOTAL_LODS; i ++ ) {\n\n\t\t\tconst sigma = Math.sqrt( _sigmas[ i ] * _sigmas[ i ] - _sigmas[ i - 1 ] * _sigmas[ i - 1 ] );\n\n\t\t\tconst poleAxis = _axisDirections[ ( i - 1 ) % _axisDirections.length ];\n\n\t\t\tthis._blur( cubeUVRenderTarget, i - 1, i, sigma, poleAxis );\n\n\t\t}\n\n\t\trenderer.autoClear = autoClear;\n\n\t}\n\n\t/**\n\t * This is a two-pass Gaussian blur for a cubemap. Normally this is done\n\t * vertically and horizontally, but this breaks down on a cube. Here we apply\n\t * the blur latitudinally (around the poles), and then longitudinally (towards\n\t * the poles) to approximate the orthogonally-separable blur. It is least\n\t * accurate at the poles, but still does a decent job.\n\t */\n\t_blur( cubeUVRenderTarget, lodIn, lodOut, sigma, poleAxis ) {\n\n\t\tconst pingPongRenderTarget = this._pingPongRenderTarget;\n\n\t\tthis._halfBlur(\n\t\t\tcubeUVRenderTarget,\n\t\t\tpingPongRenderTarget,\n\t\t\tlodIn,\n\t\t\tlodOut,\n\t\t\tsigma,\n\t\t\t'latitudinal',\n\t\t\tpoleAxis );\n\n\t\tthis._halfBlur(\n\t\t\tpingPongRenderTarget,\n\t\t\tcubeUVRenderTarget,\n\t\t\tlodOut,\n\t\t\tlodOut,\n\t\t\tsigma,\n\t\t\t'longitudinal',\n\t\t\tpoleAxis );\n\n\t}\n\n\t_halfBlur( targetIn, targetOut, lodIn, lodOut, sigmaRadians, direction, poleAxis ) {\n\n\t\tconst renderer = this._renderer;\n\t\tconst blurMaterial = this._blurMaterial;\n\n\t\tif ( direction !== 'latitudinal' && direction !== 'longitudinal' ) {\n\n\t\t\tconsole.error(\n\t\t\t\t'blur direction must be either latitudinal or longitudinal!' );\n\n\t\t}\n\n\t\t// Number of standard deviations at which to cut off the discrete approximation.\n\t\tconst STANDARD_DEVIATIONS = 3;\n\n\t\tconst blurMesh = new Mesh( _lodPlanes[ lodOut ], blurMaterial );\n\t\tconst blurUniforms = blurMaterial.uniforms;\n\n\t\tconst pixels = _sizeLods[ lodIn ] - 1;\n\t\tconst radiansPerPixel = isFinite( sigmaRadians ) ? Math.PI / ( 2 * pixels ) : 2 * Math.PI / ( 2 * MAX_SAMPLES - 1 );\n\t\tconst sigmaPixels = sigmaRadians / radiansPerPixel;\n\t\tconst samples = isFinite( sigmaRadians ) ? 1 + Math.floor( STANDARD_DEVIATIONS * sigmaPixels ) : MAX_SAMPLES;\n\n\t\tif ( samples > MAX_SAMPLES ) {\n\n\t\t\tconsole.warn( `sigmaRadians, ${\n\t\t\t\tsigmaRadians}, is too large and will clip, as it requested ${\n\t\t\t\tsamples} samples when the maximum is set to ${MAX_SAMPLES}` );\n\n\t\t}\n\n\t\tconst weights = [];\n\t\tlet sum = 0;\n\n\t\tfor ( let i = 0; i < MAX_SAMPLES; ++ i ) {\n\n\t\t\tconst x = i / sigmaPixels;\n\t\t\tconst weight = Math.exp( - x * x / 2 );\n\t\t\tweights.push( weight );\n\n\t\t\tif ( i == 0 ) {\n\n\t\t\t\tsum += weight;\n\n\t\t\t} else if ( i < samples ) {\n\n\t\t\t\tsum += 2 * weight;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfor ( let i = 0; i < weights.length; i ++ ) {\n\n\t\t\tweights[ i ] = weights[ i ] / sum;\n\n\t\t}\n\n\t\tblurUniforms[ 'envMap' ].value = targetIn.texture;\n\t\tblurUniforms[ 'samples' ].value = samples;\n\t\tblurUniforms[ 'weights' ].value = weights;\n\t\tblurUniforms[ 'latitudinal' ].value = direction === 'latitudinal';\n\n\t\tif ( poleAxis ) {\n\n\t\t\tblurUniforms[ 'poleAxis' ].value = poleAxis;\n\n\t\t}\n\n\t\tblurUniforms[ 'dTheta' ].value = radiansPerPixel;\n\t\tblurUniforms[ 'mipInt' ].value = LOD_MAX - lodIn;\n\n\t\tthis._setEncoding( blurUniforms[ 'inputEncoding' ], targetIn.texture );\n\t\tthis._setEncoding( blurUniforms[ 'outputEncoding' ], targetIn.texture );\n\n\t\tconst outputSize = _sizeLods[ lodOut ];\n\t\tconst x = 3 * Math.max( 0, SIZE_MAX - 2 * outputSize );\n\t\tconst y = ( lodOut === 0 ? 0 : 2 * SIZE_MAX ) + 2 * outputSize * ( lodOut > LOD_MAX - LOD_MIN ? lodOut - LOD_MAX + LOD_MIN : 0 );\n\n\t\t_setViewport( targetOut, x, y, 3 * outputSize, 2 * outputSize );\n\t\trenderer.setRenderTarget( targetOut );\n\t\trenderer.render( blurMesh, _flatCamera );\n\n\t}\n\n}\n\nfunction _isLDR( texture ) {\n\n\tif ( texture === undefined || texture.type !== UnsignedByteType ) return false;\n\n\treturn texture.encoding === LinearEncoding || texture.encoding === sRGBEncoding || texture.encoding === GammaEncoding;\n\n}\n\nfunction _createPlanes() {\n\n\tconst _lodPlanes = [];\n\tconst _sizeLods = [];\n\tconst _sigmas = [];\n\n\tlet lod = LOD_MAX;\n\n\tfor ( let i = 0; i < TOTAL_LODS; i ++ ) {\n\n\t\tconst sizeLod = Math.pow( 2, lod );\n\t\t_sizeLods.push( sizeLod );\n\t\tlet sigma = 1.0 / sizeLod;\n\n\t\tif ( i > LOD_MAX - LOD_MIN ) {\n\n\t\t\tsigma = EXTRA_LOD_SIGMA[ i - LOD_MAX + LOD_MIN - 1 ];\n\n\t\t} else if ( i == 0 ) {\n\n\t\t\tsigma = 0;\n\n\t\t}\n\n\t\t_sigmas.push( sigma );\n\n\t\tconst texelSize = 1.0 / ( sizeLod - 1 );\n\t\tconst min = - texelSize / 2;\n\t\tconst max = 1 + texelSize / 2;\n\t\tconst uv1 = [ min, min, max, min, max, max, min, min, max, max, min, max ];\n\n\t\tconst cubeFaces = 6;\n\t\tconst vertices = 6;\n\t\tconst positionSize = 3;\n\t\tconst uvSize = 2;\n\t\tconst faceIndexSize = 1;\n\n\t\tconst position = new Float32Array( positionSize * vertices * cubeFaces );\n\t\tconst uv = new Float32Array( uvSize * vertices * cubeFaces );\n\t\tconst faceIndex = new Float32Array( faceIndexSize * vertices * cubeFaces );\n\n\t\tfor ( let face = 0; face < cubeFaces; face ++ ) {\n\n\t\t\tconst x = ( face % 3 ) * 2 / 3 - 1;\n\t\t\tconst y = face > 2 ? 0 : - 1;\n\t\t\tconst coordinates = [\n\t\t\t\tx, y, 0,\n\t\t\t\tx + 2 / 3, y, 0,\n\t\t\t\tx + 2 / 3, y + 1, 0,\n\t\t\t\tx, y, 0,\n\t\t\t\tx + 2 / 3, y + 1, 0,\n\t\t\t\tx, y + 1, 0\n\t\t\t];\n\t\t\tposition.set( coordinates, positionSize * vertices * face );\n\t\t\tuv.set( uv1, uvSize * vertices * face );\n\t\t\tconst fill = [ face, face, face, face, face, face ];\n\t\t\tfaceIndex.set( fill, faceIndexSize * vertices * face );\n\n\t\t}\n\n\t\tconst planes = new BufferGeometry();\n\t\tplanes.setAttribute( 'position', new BufferAttribute( position, positionSize ) );\n\t\tplanes.setAttribute( 'uv', new BufferAttribute( uv, uvSize ) );\n\t\tplanes.setAttribute( 'faceIndex', new BufferAttribute( faceIndex, faceIndexSize ) );\n\t\t_lodPlanes.push( planes );\n\n\t\tif ( lod > LOD_MIN ) {\n\n\t\t\tlod --;\n\n\t\t}\n\n\t}\n\n\treturn { _lodPlanes, _sizeLods, _sigmas };\n\n}\n\nfunction _createRenderTarget( params ) {\n\n\tconst cubeUVRenderTarget = new WebGLRenderTarget( 3 * SIZE_MAX, 3 * SIZE_MAX, params );\n\tcubeUVRenderTarget.texture.mapping = CubeUVReflectionMapping;\n\tcubeUVRenderTarget.texture.name = 'PMREM.cubeUv';\n\tcubeUVRenderTarget.scissorTest = true;\n\treturn cubeUVRenderTarget;\n\n}\n\nfunction _setViewport( target, x, y, width, height ) {\n\n\ttarget.viewport.set( x, y, width, height );\n\ttarget.scissor.set( x, y, width, height );\n\n}\n\nfunction _getBlurShader( maxSamples ) {\n\n\tconst weights = new Float32Array( maxSamples );\n\tconst poleAxis = new Vector3( 0, 1, 0 );\n\tconst shaderMaterial = new RawShaderMaterial( {\n\n\t\tname: 'SphericalGaussianBlur',\n\n\t\tdefines: { 'n': maxSamples },\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null },\n\t\t\t'samples': { value: 1 },\n\t\t\t'weights': { value: weights },\n\t\t\t'latitudinal': { value: false },\n\t\t\t'dTheta': { value: 0 },\n\t\t\t'mipInt': { value: 0 },\n\t\t\t'poleAxis': { value: poleAxis },\n\t\t\t'inputEncoding': { value: ENCODINGS[ LinearEncoding ] },\n\t\t\t'outputEncoding': { value: ENCODINGS[ LinearEncoding ] }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t${ _getEncodings() }\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include \n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n\treturn shaderMaterial;\n\n}\n\nfunction _getEquirectShader() {\n\n\tconst texelSize = new Vector2( 1, 1 );\n\tconst shaderMaterial = new RawShaderMaterial( {\n\n\t\tname: 'EquirectangularToCubeUV',\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null },\n\t\t\t'texelSize': { value: texelSize },\n\t\t\t'inputEncoding': { value: ENCODINGS[ LinearEncoding ] },\n\t\t\t'outputEncoding': { value: ENCODINGS[ LinearEncoding ] }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform vec2 texelSize;\n\n\t\t\t${ _getEncodings() }\n\n\t\t\t#include \n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tvec2 f = fract( uv / texelSize - 0.5 );\n\t\t\t\tuv -= f * texelSize;\n\t\t\t\tvec3 tl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.x += texelSize.x;\n\t\t\t\tvec3 tr = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.y += texelSize.y;\n\t\t\t\tvec3 br = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.x -= texelSize.x;\n\t\t\t\tvec3 bl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\n\t\t\t\tvec3 tm = mix( tl, tr, f.x );\n\t\t\t\tvec3 bm = mix( bl, br, f.x );\n\t\t\t\tgl_FragColor.rgb = mix( tm, bm, f.y );\n\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n\treturn shaderMaterial;\n\n}\n\nfunction _getCubemapShader() {\n\n\tconst shaderMaterial = new RawShaderMaterial( {\n\n\t\tname: 'CubemapToCubeUV',\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null },\n\t\t\t'inputEncoding': { value: ENCODINGS[ LinearEncoding ] },\n\t\t\t'outputEncoding': { value: ENCODINGS[ LinearEncoding ] }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\t${ _getEncodings() }\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb = envMapTexelToLinear( textureCube( envMap, vec3( - vOutputDirection.x, vOutputDirection.yz ) ) ).rgb;\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n\treturn shaderMaterial;\n\n}\n\nfunction _getCommonVertexShader() {\n\n\treturn /* glsl */`\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute vec3 position;\n\t\tattribute vec2 uv;\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t`;\n\n}\n\nfunction _getEncodings() {\n\n\treturn /* glsl */`\n\n\t\tuniform int inputEncoding;\n\t\tuniform int outputEncoding;\n\n\t\t#include \n\n\t\tvec4 inputTexelToLinear( vec4 value ) {\n\n\t\t\tif ( inputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( inputEncoding == 1 ) {\n\n\t\t\t\treturn sRGBToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 2 ) {\n\n\t\t\t\treturn RGBEToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 3 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 7.0 );\n\n\t\t\t} else if ( inputEncoding == 4 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 16.0 );\n\n\t\t\t} else if ( inputEncoding == 5 ) {\n\n\t\t\t\treturn RGBDToLinear( value, 256.0 );\n\n\t\t\t} else {\n\n\t\t\t\treturn GammaToLinear( value, 2.2 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tvec4 linearToOutputTexel( vec4 value ) {\n\n\t\t\tif ( outputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( outputEncoding == 1 ) {\n\n\t\t\t\treturn LinearTosRGB( value );\n\n\t\t\t} else if ( outputEncoding == 2 ) {\n\n\t\t\t\treturn LinearToRGBE( value );\n\n\t\t\t} else if ( outputEncoding == 3 ) {\n\n\t\t\t\treturn LinearToRGBM( value, 7.0 );\n\n\t\t\t} else if ( outputEncoding == 4 ) {\n\n\t\t\t\treturn LinearToRGBM( value, 16.0 );\n\n\t\t\t} else if ( outputEncoding == 5 ) {\n\n\t\t\t\treturn LinearToRGBD( value, 256.0 );\n\n\t\t\t} else {\n\n\t\t\t\treturn LinearToGamma( value, 2.2 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tvec4 envMapTexelToLinear( vec4 color ) {\n\n\t\t\treturn inputTexelToLinear( color );\n\n\t\t}\n\t`;\n\n}\n\nfunction WebGLCubeUVMaps( renderer ) {\n\n\tlet cubeUVmaps = new WeakMap();\n\n\tlet pmremGenerator = null;\n\n\tfunction get( texture ) {\n\n\t\tif ( texture && texture.isTexture && texture.isRenderTargetTexture === false ) {\n\n\t\t\tconst mapping = texture.mapping;\n\n\t\t\tconst isEquirectMap = ( mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping );\n\t\t\tconst isCubeMap = ( mapping === CubeReflectionMapping || mapping === CubeRefractionMapping );\n\n\t\t\tif ( isEquirectMap || isCubeMap ) {\n\n\t\t\t\t// equirect/cube map to cubeUV conversion\n\n\t\t\t\tif ( cubeUVmaps.has( texture ) ) {\n\n\t\t\t\t\treturn cubeUVmaps.get( texture ).texture;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst image = texture.image;\n\n\t\t\t\t\tif ( ( isEquirectMap && image && image.height > 0 ) || ( isCubeMap && image && isCubeTextureComplete( image ) ) ) {\n\n\t\t\t\t\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\t\t\t\t\tif ( pmremGenerator === null ) pmremGenerator = new PMREMGenerator( renderer );\n\n\t\t\t\t\t\tconst renderTarget = isEquirectMap ? pmremGenerator.fromEquirectangular( texture ) : pmremGenerator.fromCubemap( texture );\n\t\t\t\t\t\tcubeUVmaps.set( texture, renderTarget );\n\n\t\t\t\t\t\trenderer.setRenderTarget( currentRenderTarget );\n\n\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\treturn renderTarget.texture;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// image not yet ready. try the conversion next frame\n\n\t\t\t\t\t\treturn null;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction isCubeTextureComplete( image ) {\n\n\t\tlet count = 0;\n\t\tconst length = 6;\n\n\t\tfor ( let i = 0; i < length; i ++ ) {\n\n\t\t\tif ( image[ i ] !== undefined ) count ++;\n\n\t\t}\n\n\t\treturn count === length;\n\n\n\t}\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tconst cubemapUV = cubeUVmaps.get( texture );\n\n\t\tif ( cubemapUV !== undefined ) {\n\n\t\t\tcubeUVmaps.delete( texture );\n\t\t\tcubemapUV.dispose();\n\n\t\t}\n\n\t}\n\n\tfunction dispose() {\n\n\t\tcubeUVmaps = new WeakMap();\n\n\t\tif ( pmremGenerator !== null ) {\n\n\t\t\tpmremGenerator.dispose();\n\t\t\tpmremGenerator = null;\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction WebGLExtensions( gl ) {\n\n\tconst extensions = {};\n\n\tfunction getExtension( name ) {\n\n\t\tif ( extensions[ name ] !== undefined ) {\n\n\t\t\treturn extensions[ name ];\n\n\t\t}\n\n\t\tlet extension;\n\n\t\tswitch ( name ) {\n\n\t\t\tcase 'WEBGL_depth_texture':\n\t\t\t\textension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' );\n\t\t\t\tbreak;\n\n\t\t\tcase 'EXT_texture_filter_anisotropic':\n\t\t\t\textension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' );\n\t\t\t\tbreak;\n\n\t\t\tcase 'WEBGL_compressed_texture_s3tc':\n\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' );\n\t\t\t\tbreak;\n\n\t\t\tcase 'WEBGL_compressed_texture_pvrtc':\n\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' );\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\textension = gl.getExtension( name );\n\n\t\t}\n\n\t\textensions[ name ] = extension;\n\n\t\treturn extension;\n\n\t}\n\n\treturn {\n\n\t\thas: function ( name ) {\n\n\t\t\treturn getExtension( name ) !== null;\n\n\t\t},\n\n\t\tinit: function ( capabilities ) {\n\n\t\t\tif ( capabilities.isWebGL2 ) {\n\n\t\t\t\tgetExtension( 'EXT_color_buffer_float' );\n\n\t\t\t} else {\n\n\t\t\t\tgetExtension( 'WEBGL_depth_texture' );\n\t\t\t\tgetExtension( 'OES_texture_float' );\n\t\t\t\tgetExtension( 'OES_texture_half_float' );\n\t\t\t\tgetExtension( 'OES_texture_half_float_linear' );\n\t\t\t\tgetExtension( 'OES_standard_derivatives' );\n\t\t\t\tgetExtension( 'OES_element_index_uint' );\n\t\t\t\tgetExtension( 'OES_vertex_array_object' );\n\t\t\t\tgetExtension( 'ANGLE_instanced_arrays' );\n\n\t\t\t}\n\n\t\t\tgetExtension( 'OES_texture_float_linear' );\n\t\t\tgetExtension( 'EXT_color_buffer_half_float' );\n\t\t\tgetExtension( 'WEBGL_multisampled_render_to_texture' );\n\n\t\t},\n\n\t\tget: function ( name ) {\n\n\t\t\tconst extension = getExtension( name );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' );\n\n\t\t\t}\n\n\t\t\treturn extension;\n\n\t\t}\n\n\t};\n\n}\n\nfunction WebGLGeometries( gl, attributes, info, bindingStates ) {\n\n\tconst geometries = {};\n\tconst wireframeAttributes = new WeakMap();\n\n\tfunction onGeometryDispose( event ) {\n\n\t\tconst geometry = event.target;\n\n\t\tif ( geometry.index !== null ) {\n\n\t\t\tattributes.remove( geometry.index );\n\n\t\t}\n\n\t\tfor ( const name in geometry.attributes ) {\n\n\t\t\tattributes.remove( geometry.attributes[ name ] );\n\n\t\t}\n\n\t\tgeometry.removeEventListener( 'dispose', onGeometryDispose );\n\n\t\tdelete geometries[ geometry.id ];\n\n\t\tconst attribute = wireframeAttributes.get( geometry );\n\n\t\tif ( attribute ) {\n\n\t\t\tattributes.remove( attribute );\n\t\t\twireframeAttributes.delete( geometry );\n\n\t\t}\n\n\t\tbindingStates.releaseStatesOfGeometry( geometry );\n\n\t\tif ( geometry.isInstancedBufferGeometry === true ) {\n\n\t\t\tdelete geometry._maxInstanceCount;\n\n\t\t}\n\n\t\t//\n\n\t\tinfo.memory.geometries --;\n\n\t}\n\n\tfunction get( object, geometry ) {\n\n\t\tif ( geometries[ geometry.id ] === true ) return geometry;\n\n\t\tgeometry.addEventListener( 'dispose', onGeometryDispose );\n\n\t\tgeometries[ geometry.id ] = true;\n\n\t\tinfo.memory.geometries ++;\n\n\t\treturn geometry;\n\n\t}\n\n\tfunction update( geometry ) {\n\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\t// Updating index buffer in VAO now. See WebGLBindingStates.\n\n\t\tfor ( const name in geometryAttributes ) {\n\n\t\t\tattributes.update( geometryAttributes[ name ], 34962 );\n\n\t\t}\n\n\t\t// morph targets\n\n\t\tconst morphAttributes = geometry.morphAttributes;\n\n\t\tfor ( const name in morphAttributes ) {\n\n\t\t\tconst array = morphAttributes[ name ];\n\n\t\t\tfor ( let i = 0, l = array.length; i < l; i ++ ) {\n\n\t\t\t\tattributes.update( array[ i ], 34962 );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction updateWireframeAttribute( geometry ) {\n\n\t\tconst indices = [];\n\n\t\tconst geometryIndex = geometry.index;\n\t\tconst geometryPosition = geometry.attributes.position;\n\t\tlet version = 0;\n\n\t\tif ( geometryIndex !== null ) {\n\n\t\t\tconst array = geometryIndex.array;\n\t\t\tversion = geometryIndex.version;\n\n\t\t\tfor ( let i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\tconst a = array[ i + 0 ];\n\t\t\t\tconst b = array[ i + 1 ];\n\t\t\t\tconst c = array[ i + 2 ];\n\n\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst array = geometryPosition.array;\n\t\t\tversion = geometryPosition.version;\n\n\t\t\tfor ( let i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) {\n\n\t\t\t\tconst a = i + 0;\n\t\t\t\tconst b = i + 1;\n\t\t\t\tconst c = i + 2;\n\n\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst attribute = new ( arrayMax( indices ) > 65535 ? Uint32BufferAttribute : Uint16BufferAttribute )( indices, 1 );\n\t\tattribute.version = version;\n\n\t\t// Updating index buffer in VAO now. See WebGLBindingStates\n\n\t\t//\n\n\t\tconst previousAttribute = wireframeAttributes.get( geometry );\n\n\t\tif ( previousAttribute ) attributes.remove( previousAttribute );\n\n\t\t//\n\n\t\twireframeAttributes.set( geometry, attribute );\n\n\t}\n\n\tfunction getWireframeAttribute( geometry ) {\n\n\t\tconst currentAttribute = wireframeAttributes.get( geometry );\n\n\t\tif ( currentAttribute ) {\n\n\t\t\tconst geometryIndex = geometry.index;\n\n\t\t\tif ( geometryIndex !== null ) {\n\n\t\t\t\t// if the attribute is obsolete, create a new one\n\n\t\t\t\tif ( currentAttribute.version < geometryIndex.version ) {\n\n\t\t\t\t\tupdateWireframeAttribute( geometry );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tupdateWireframeAttribute( geometry );\n\n\t\t}\n\n\t\treturn wireframeAttributes.get( geometry );\n\n\t}\n\n\treturn {\n\n\t\tget: get,\n\t\tupdate: update,\n\n\t\tgetWireframeAttribute: getWireframeAttribute\n\n\t};\n\n}\n\nfunction WebGLIndexedBufferRenderer( gl, extensions, info, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tlet mode;\n\n\tfunction setMode( value ) {\n\n\t\tmode = value;\n\n\t}\n\n\tlet type, bytesPerElement;\n\n\tfunction setIndex( value ) {\n\n\t\ttype = value.type;\n\t\tbytesPerElement = value.bytesPerElement;\n\n\t}\n\n\tfunction render( start, count ) {\n\n\t\tgl.drawElements( mode, count, type, start * bytesPerElement );\n\n\t\tinfo.update( count, mode, 1 );\n\n\t}\n\n\tfunction renderInstances( start, count, primcount ) {\n\n\t\tif ( primcount === 0 ) return;\n\n\t\tlet extension, methodName;\n\n\t\tif ( isWebGL2 ) {\n\n\t\t\textension = gl;\n\t\t\tmethodName = 'drawElementsInstanced';\n\n\t\t} else {\n\n\t\t\textension = extensions.get( 'ANGLE_instanced_arrays' );\n\t\t\tmethodName = 'drawElementsInstancedANGLE';\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLIndexedBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\textension[ methodName ]( mode, count, type, start * bytesPerElement, primcount );\n\n\t\tinfo.update( count, mode, primcount );\n\n\t}\n\n\t//\n\n\tthis.setMode = setMode;\n\tthis.setIndex = setIndex;\n\tthis.render = render;\n\tthis.renderInstances = renderInstances;\n\n}\n\nfunction WebGLInfo( gl ) {\n\n\tconst memory = {\n\t\tgeometries: 0,\n\t\ttextures: 0\n\t};\n\n\tconst render = {\n\t\tframe: 0,\n\t\tcalls: 0,\n\t\ttriangles: 0,\n\t\tpoints: 0,\n\t\tlines: 0\n\t};\n\n\tfunction update( count, mode, instanceCount ) {\n\n\t\trender.calls ++;\n\n\t\tswitch ( mode ) {\n\n\t\t\tcase 4:\n\t\t\t\trender.triangles += instanceCount * ( count / 3 );\n\t\t\t\tbreak;\n\n\t\t\tcase 1:\n\t\t\t\trender.lines += instanceCount * ( count / 2 );\n\t\t\t\tbreak;\n\n\t\t\tcase 3:\n\t\t\t\trender.lines += instanceCount * ( count - 1 );\n\t\t\t\tbreak;\n\n\t\t\tcase 2:\n\t\t\t\trender.lines += instanceCount * count;\n\t\t\t\tbreak;\n\n\t\t\tcase 0:\n\t\t\t\trender.points += instanceCount * count;\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tconsole.error( 'THREE.WebGLInfo: Unknown draw mode:', mode );\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\tfunction reset() {\n\n\t\trender.frame ++;\n\t\trender.calls = 0;\n\t\trender.triangles = 0;\n\t\trender.points = 0;\n\t\trender.lines = 0;\n\n\t}\n\n\treturn {\n\t\tmemory: memory,\n\t\trender: render,\n\t\tprograms: null,\n\t\tautoReset: true,\n\t\treset: reset,\n\t\tupdate: update\n\t};\n\n}\n\nclass DataTexture2DArray extends Texture {\n\n\tconstructor( data = null, width = 1, height = 1, depth = 1 ) {\n\n\t\tsuper( null );\n\n\t\tthis.image = { data, width, height, depth };\n\n\t\tthis.magFilter = NearestFilter;\n\t\tthis.minFilter = NearestFilter;\n\n\t\tthis.wrapR = ClampToEdgeWrapping;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nDataTexture2DArray.prototype.isDataTexture2DArray = true;\n\nfunction numericalSort( a, b ) {\n\n\treturn a[ 0 ] - b[ 0 ];\n\n}\n\nfunction absNumericalSort( a, b ) {\n\n\treturn Math.abs( b[ 1 ] ) - Math.abs( a[ 1 ] );\n\n}\n\nfunction denormalize( morph, attribute ) {\n\n\tlet denominator = 1;\n\tconst array = attribute.isInterleavedBufferAttribute ? attribute.data.array : attribute.array;\n\n\tif ( array instanceof Int8Array ) denominator = 127;\n\telse if ( array instanceof Int16Array ) denominator = 32767;\n\telse if ( array instanceof Int32Array ) denominator = 2147483647;\n\telse console.error( 'THREE.WebGLMorphtargets: Unsupported morph attribute data type: ', array );\n\n\tmorph.divideScalar( denominator );\n\n}\n\nfunction WebGLMorphtargets( gl, capabilities, textures ) {\n\n\tconst influencesList = {};\n\tconst morphInfluences = new Float32Array( 8 );\n\tconst morphTextures = new WeakMap();\n\tconst morph = new Vector3();\n\n\tconst workInfluences = [];\n\n\tfor ( let i = 0; i < 8; i ++ ) {\n\n\t\tworkInfluences[ i ] = [ i, 0 ];\n\n\t}\n\n\tfunction update( object, geometry, material, program ) {\n\n\t\tconst objectInfluences = object.morphTargetInfluences;\n\n\t\tif ( capabilities.isWebGL2 === true ) {\n\n\t\t\t// instead of using attributes, the WebGL 2 code path encodes morph targets\n\t\t\t// into an array of data textures. Each layer represents a single morph target.\n\n\t\t\tconst numberOfMorphTargets = geometry.morphAttributes.position.length;\n\n\t\t\tlet entry = morphTextures.get( geometry );\n\n\t\t\tif ( entry === undefined || entry.count !== numberOfMorphTargets ) {\n\n\t\t\t\tif ( entry !== undefined ) entry.texture.dispose();\n\n\t\t\t\tconst hasMorphNormals = geometry.morphAttributes.normal !== undefined;\n\n\t\t\t\tconst morphTargets = geometry.morphAttributes.position;\n\t\t\t\tconst morphNormals = geometry.morphAttributes.normal || [];\n\n\t\t\t\tconst numberOfVertices = geometry.attributes.position.count;\n\t\t\t\tconst numberOfVertexData = ( hasMorphNormals === true ) ? 2 : 1; // (v,n) vs. (v)\n\n\t\t\t\tlet width = numberOfVertices * numberOfVertexData;\n\t\t\t\tlet height = 1;\n\n\t\t\t\tif ( width > capabilities.maxTextureSize ) {\n\n\t\t\t\t\theight = Math.ceil( width / capabilities.maxTextureSize );\n\t\t\t\t\twidth = capabilities.maxTextureSize;\n\n\t\t\t\t}\n\n\t\t\t\tconst buffer = new Float32Array( width * height * 4 * numberOfMorphTargets );\n\n\t\t\t\tconst texture = new DataTexture2DArray( buffer, width, height, numberOfMorphTargets );\n\t\t\t\ttexture.format = RGBAFormat; // using RGBA since RGB might be emulated (and is thus slower)\n\t\t\t\ttexture.type = FloatType;\n\n\t\t\t\t// fill buffer\n\n\t\t\t\tconst vertexDataStride = numberOfVertexData * 4;\n\n\t\t\t\tfor ( let i = 0; i < numberOfMorphTargets; i ++ ) {\n\n\t\t\t\t\tconst morphTarget = morphTargets[ i ];\n\t\t\t\t\tconst morphNormal = morphNormals[ i ];\n\n\t\t\t\t\tconst offset = width * height * 4 * i;\n\n\t\t\t\t\tfor ( let j = 0; j < morphTarget.count; j ++ ) {\n\n\t\t\t\t\t\tmorph.fromBufferAttribute( morphTarget, j );\n\n\t\t\t\t\t\tif ( morphTarget.normalized === true ) denormalize( morph, morphTarget );\n\n\t\t\t\t\t\tconst stride = j * vertexDataStride;\n\n\t\t\t\t\t\tbuffer[ offset + stride + 0 ] = morph.x;\n\t\t\t\t\t\tbuffer[ offset + stride + 1 ] = morph.y;\n\t\t\t\t\t\tbuffer[ offset + stride + 2 ] = morph.z;\n\t\t\t\t\t\tbuffer[ offset + stride + 3 ] = 0;\n\n\t\t\t\t\t\tif ( hasMorphNormals === true ) {\n\n\t\t\t\t\t\t\tmorph.fromBufferAttribute( morphNormal, j );\n\n\t\t\t\t\t\t\tif ( morphNormal.normalized === true ) denormalize( morph, morphNormal );\n\n\t\t\t\t\t\t\tbuffer[ offset + stride + 4 ] = morph.x;\n\t\t\t\t\t\t\tbuffer[ offset + stride + 5 ] = morph.y;\n\t\t\t\t\t\t\tbuffer[ offset + stride + 6 ] = morph.z;\n\t\t\t\t\t\t\tbuffer[ offset + stride + 7 ] = 0;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tentry = {\n\t\t\t\t\tcount: numberOfMorphTargets,\n\t\t\t\t\ttexture: texture,\n\t\t\t\t\tsize: new Vector2( width, height )\n\t\t\t\t};\n\n\t\t\t\tmorphTextures.set( geometry, entry );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tlet morphInfluencesSum = 0;\n\n\t\t\tfor ( let i = 0; i < objectInfluences.length; i ++ ) {\n\n\t\t\t\tmorphInfluencesSum += objectInfluences[ i ];\n\n\t\t\t}\n\n\t\t\tconst morphBaseInfluence = geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum;\n\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetBaseInfluence', morphBaseInfluence );\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetInfluences', objectInfluences );\n\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetsTexture', entry.texture, textures );\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetsTextureSize', entry.size );\n\n\n\t\t} else {\n\n\t\t\t// When object doesn't have morph target influences defined, we treat it as a 0-length array\n\t\t\t// This is important to make sure we set up morphTargetBaseInfluence / morphTargetInfluences\n\n\t\t\tconst length = objectInfluences === undefined ? 0 : objectInfluences.length;\n\n\t\t\tlet influences = influencesList[ geometry.id ];\n\n\t\t\tif ( influences === undefined || influences.length !== length ) {\n\n\t\t\t\t// initialise list\n\n\t\t\t\tinfluences = [];\n\n\t\t\t\tfor ( let i = 0; i < length; i ++ ) {\n\n\t\t\t\t\tinfluences[ i ] = [ i, 0 ];\n\n\t\t\t\t}\n\n\t\t\t\tinfluencesList[ geometry.id ] = influences;\n\n\t\t\t}\n\n\t\t\t// Collect influences\n\n\t\t\tfor ( let i = 0; i < length; i ++ ) {\n\n\t\t\t\tconst influence = influences[ i ];\n\n\t\t\t\tinfluence[ 0 ] = i;\n\t\t\t\tinfluence[ 1 ] = objectInfluences[ i ];\n\n\t\t\t}\n\n\t\t\tinfluences.sort( absNumericalSort );\n\n\t\t\tfor ( let i = 0; i < 8; i ++ ) {\n\n\t\t\t\tif ( i < length && influences[ i ][ 1 ] ) {\n\n\t\t\t\t\tworkInfluences[ i ][ 0 ] = influences[ i ][ 0 ];\n\t\t\t\t\tworkInfluences[ i ][ 1 ] = influences[ i ][ 1 ];\n\n\t\t\t\t} else {\n\n\t\t\t\t\tworkInfluences[ i ][ 0 ] = Number.MAX_SAFE_INTEGER;\n\t\t\t\t\tworkInfluences[ i ][ 1 ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tworkInfluences.sort( numericalSort );\n\n\t\t\tconst morphTargets = geometry.morphAttributes.position;\n\t\t\tconst morphNormals = geometry.morphAttributes.normal;\n\n\t\t\tlet morphInfluencesSum = 0;\n\n\t\t\tfor ( let i = 0; i < 8; i ++ ) {\n\n\t\t\t\tconst influence = workInfluences[ i ];\n\t\t\t\tconst index = influence[ 0 ];\n\t\t\t\tconst value = influence[ 1 ];\n\n\t\t\t\tif ( index !== Number.MAX_SAFE_INTEGER && value ) {\n\n\t\t\t\t\tif ( morphTargets && geometry.getAttribute( 'morphTarget' + i ) !== morphTargets[ index ] ) {\n\n\t\t\t\t\t\tgeometry.setAttribute( 'morphTarget' + i, morphTargets[ index ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( morphNormals && geometry.getAttribute( 'morphNormal' + i ) !== morphNormals[ index ] ) {\n\n\t\t\t\t\t\tgeometry.setAttribute( 'morphNormal' + i, morphNormals[ index ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tmorphInfluences[ i ] = value;\n\t\t\t\t\tmorphInfluencesSum += value;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( morphTargets && geometry.hasAttribute( 'morphTarget' + i ) === true ) {\n\n\t\t\t\t\t\tgeometry.deleteAttribute( 'morphTarget' + i );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( morphNormals && geometry.hasAttribute( 'morphNormal' + i ) === true ) {\n\n\t\t\t\t\t\tgeometry.deleteAttribute( 'morphNormal' + i );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tmorphInfluences[ i ] = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// GLSL shader uses formula baseinfluence * base + sum(target * influence)\n\t\t\t// This allows us to switch between absolute morphs and relative morphs without changing shader code\n\t\t\t// When baseinfluence = 1 - sum(influence), the above is equivalent to sum((target - base) * influence)\n\t\t\tconst morphBaseInfluence = geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum;\n\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetBaseInfluence', morphBaseInfluence );\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetInfluences', morphInfluences );\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\tupdate: update\n\n\t};\n\n}\n\nfunction WebGLObjects( gl, geometries, attributes, info ) {\n\n\tlet updateMap = new WeakMap();\n\n\tfunction update( object ) {\n\n\t\tconst frame = info.render.frame;\n\n\t\tconst geometry = object.geometry;\n\t\tconst buffergeometry = geometries.get( object, geometry );\n\n\t\t// Update once per frame\n\n\t\tif ( updateMap.get( buffergeometry ) !== frame ) {\n\n\t\t\tgeometries.update( buffergeometry );\n\n\t\t\tupdateMap.set( buffergeometry, frame );\n\n\t\t}\n\n\t\tif ( object.isInstancedMesh ) {\n\n\t\t\tif ( object.hasEventListener( 'dispose', onInstancedMeshDispose ) === false ) {\n\n\t\t\t\tobject.addEventListener( 'dispose', onInstancedMeshDispose );\n\n\t\t\t}\n\n\t\t\tattributes.update( object.instanceMatrix, 34962 );\n\n\t\t\tif ( object.instanceColor !== null ) {\n\n\t\t\t\tattributes.update( object.instanceColor, 34962 );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn buffergeometry;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tupdateMap = new WeakMap();\n\n\t}\n\n\tfunction onInstancedMeshDispose( event ) {\n\n\t\tconst instancedMesh = event.target;\n\n\t\tinstancedMesh.removeEventListener( 'dispose', onInstancedMeshDispose );\n\n\t\tattributes.remove( instancedMesh.instanceMatrix );\n\n\t\tif ( instancedMesh.instanceColor !== null ) attributes.remove( instancedMesh.instanceColor );\n\n\t}\n\n\treturn {\n\n\t\tupdate: update,\n\t\tdispose: dispose\n\n\t};\n\n}\n\nclass DataTexture3D extends Texture {\n\n\tconstructor( data = null, width = 1, height = 1, depth = 1 ) {\n\n\t\t// We're going to add .setXXX() methods for setting properties later.\n\t\t// Users can still set in DataTexture3D directly.\n\t\t//\n\t\t//\tconst texture = new THREE.DataTexture3D( data, width, height, depth );\n\t\t// \ttexture.anisotropy = 16;\n\t\t//\n\t\t// See #14839\n\n\t\tsuper( null );\n\n\t\tthis.image = { data, width, height, depth };\n\n\t\tthis.magFilter = NearestFilter;\n\t\tthis.minFilter = NearestFilter;\n\n\t\tthis.wrapR = ClampToEdgeWrapping;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nDataTexture3D.prototype.isDataTexture3D = true;\n\n/**\n * Uniforms of a program.\n * Those form a tree structure with a special top-level container for the root,\n * which you get by calling 'new WebGLUniforms( gl, program )'.\n *\n *\n * Properties of inner nodes including the top-level container:\n *\n * .seq - array of nested uniforms\n * .map - nested uniforms by name\n *\n *\n * Methods of all nodes except the top-level container:\n *\n * .setValue( gl, value, [textures] )\n *\n * \t\tuploads a uniform value(s)\n * \tthe 'textures' parameter is needed for sampler uniforms\n *\n *\n * Static methods of the top-level container (textures factorizations):\n *\n * .upload( gl, seq, values, textures )\n *\n * \t\tsets uniforms in 'seq' to 'values[id].value'\n *\n * .seqWithValue( seq, values ) : filteredSeq\n *\n * \t\tfilters 'seq' entries with corresponding entry in values\n *\n *\n * Methods of the top-level container (textures factorizations):\n *\n * .setValue( gl, name, value, textures )\n *\n * \t\tsets uniform with name 'name' to 'value'\n *\n * .setOptional( gl, obj, prop )\n *\n * \t\tlike .set for an optional property of the object\n *\n */\n\nconst emptyTexture = new Texture();\nconst emptyTexture2dArray = new DataTexture2DArray();\nconst emptyTexture3d = new DataTexture3D();\nconst emptyCubeTexture = new CubeTexture();\n\n// --- Utilities ---\n\n// Array Caches (provide typed arrays for temporary by size)\n\nconst arrayCacheF32 = [];\nconst arrayCacheI32 = [];\n\n// Float32Array caches used for uploading Matrix uniforms\n\nconst mat4array = new Float32Array( 16 );\nconst mat3array = new Float32Array( 9 );\nconst mat2array = new Float32Array( 4 );\n\n// Flattening for arrays of vectors and matrices\n\nfunction flatten( array, nBlocks, blockSize ) {\n\n\tconst firstElem = array[ 0 ];\n\n\tif ( firstElem <= 0 || firstElem > 0 ) return array;\n\t// unoptimized: ! isNaN( firstElem )\n\t// see http://jacksondunstan.com/articles/983\n\n\tconst n = nBlocks * blockSize;\n\tlet r = arrayCacheF32[ n ];\n\n\tif ( r === undefined ) {\n\n\t\tr = new Float32Array( n );\n\t\tarrayCacheF32[ n ] = r;\n\n\t}\n\n\tif ( nBlocks !== 0 ) {\n\n\t\tfirstElem.toArray( r, 0 );\n\n\t\tfor ( let i = 1, offset = 0; i !== nBlocks; ++ i ) {\n\n\t\t\toffset += blockSize;\n\t\t\tarray[ i ].toArray( r, offset );\n\n\t\t}\n\n\t}\n\n\treturn r;\n\n}\n\nfunction arraysEqual( a, b ) {\n\n\tif ( a.length !== b.length ) return false;\n\n\tfor ( let i = 0, l = a.length; i < l; i ++ ) {\n\n\t\tif ( a[ i ] !== b[ i ] ) return false;\n\n\t}\n\n\treturn true;\n\n}\n\nfunction copyArray( a, b ) {\n\n\tfor ( let i = 0, l = b.length; i < l; i ++ ) {\n\n\t\ta[ i ] = b[ i ];\n\n\t}\n\n}\n\n// Texture unit allocation\n\nfunction allocTexUnits( textures, n ) {\n\n\tlet r = arrayCacheI32[ n ];\n\n\tif ( r === undefined ) {\n\n\t\tr = new Int32Array( n );\n\t\tarrayCacheI32[ n ] = r;\n\n\t}\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\tr[ i ] = textures.allocateTextureUnit();\n\n\t}\n\n\treturn r;\n\n}\n\n// --- Setters ---\n\n// Note: Defining these methods externally, because they come in a bunch\n// and this way their names minify.\n\n// Single scalar\n\nfunction setValueV1f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1f( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single float vector (from flat array or THREE.VectorN)\n\nfunction setValueV2f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y ) {\n\n\t\t\tgl.uniform2f( this.addr, v.x, v.y );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform2fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV3f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z ) {\n\n\t\t\tgl.uniform3f( this.addr, v.x, v.y, v.z );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\n\t\t}\n\n\t} else if ( v.r !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.r || cache[ 1 ] !== v.g || cache[ 2 ] !== v.b ) {\n\n\t\t\tgl.uniform3f( this.addr, v.r, v.g, v.b );\n\n\t\t\tcache[ 0 ] = v.r;\n\t\t\tcache[ 1 ] = v.g;\n\t\t\tcache[ 2 ] = v.b;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform3fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV4f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z || cache[ 3 ] !== v.w ) {\n\n\t\t\tgl.uniform4f( this.addr, v.x, v.y, v.z, v.w );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\t\t\tcache[ 3 ] = v.w;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform4fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\n// Single matrix (from flat array or THREE.MatrixN)\n\nfunction setValueM2( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix2fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat2array.set( elements );\n\n\t\tgl.uniformMatrix2fv( this.addr, false, mat2array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\nfunction setValueM3( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix3fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat3array.set( elements );\n\n\t\tgl.uniformMatrix3fv( this.addr, false, mat3array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\nfunction setValueM4( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix4fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat4array.set( elements );\n\n\t\tgl.uniformMatrix4fv( this.addr, false, mat4array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\n// Single integer / boolean\n\nfunction setValueV1i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1i( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single integer / boolean vector (from flat array)\n\nfunction setValueV2i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform2iv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\nfunction setValueV3i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform3iv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\nfunction setValueV4i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform4iv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\n// Single unsigned integer\n\nfunction setValueV1ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1ui( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single unsigned integer vector (from flat array)\n\nfunction setValueV2ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform2uiv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\nfunction setValueV3ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform3uiv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\nfunction setValueV4ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( arraysEqual( cache, v ) ) return;\n\n\tgl.uniform4uiv( this.addr, v );\n\n\tcopyArray( cache, v );\n\n}\n\n\n// Single texture (2D / Cube)\n\nfunction setValueT1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.safeSetTexture2D( v || emptyTexture, unit );\n\n}\n\nfunction setValueT3D1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.setTexture3D( v || emptyTexture3d, unit );\n\n}\n\nfunction setValueT6( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.safeSetTextureCube( v || emptyCubeTexture, unit );\n\n}\n\nfunction setValueT2DArray1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.setTexture2DArray( v || emptyTexture2dArray, unit );\n\n}\n\n// Helper to pick the right setter for the singular case\n\nfunction getSingularSetter( type ) {\n\n\tswitch ( type ) {\n\n\t\tcase 0x1406: return setValueV1f; // FLOAT\n\t\tcase 0x8b50: return setValueV2f; // _VEC2\n\t\tcase 0x8b51: return setValueV3f; // _VEC3\n\t\tcase 0x8b52: return setValueV4f; // _VEC4\n\n\t\tcase 0x8b5a: return setValueM2; // _MAT2\n\t\tcase 0x8b5b: return setValueM3; // _MAT3\n\t\tcase 0x8b5c: return setValueM4; // _MAT4\n\n\t\tcase 0x1404: case 0x8b56: return setValueV1i; // INT, BOOL\n\t\tcase 0x8b53: case 0x8b57: return setValueV2i; // _VEC2\n\t\tcase 0x8b54: case 0x8b58: return setValueV3i; // _VEC3\n\t\tcase 0x8b55: case 0x8b59: return setValueV4i; // _VEC4\n\n\t\tcase 0x1405: return setValueV1ui; // UINT\n\t\tcase 0x8dc6: return setValueV2ui; // _VEC2\n\t\tcase 0x8dc7: return setValueV3ui; // _VEC3\n\t\tcase 0x8dc8: return setValueV4ui; // _VEC4\n\n\t\tcase 0x8b5e: // SAMPLER_2D\n\t\tcase 0x8d66: // SAMPLER_EXTERNAL_OES\n\t\tcase 0x8dca: // INT_SAMPLER_2D\n\t\tcase 0x8dd2: // UNSIGNED_INT_SAMPLER_2D\n\t\tcase 0x8b62: // SAMPLER_2D_SHADOW\n\t\t\treturn setValueT1;\n\n\t\tcase 0x8b5f: // SAMPLER_3D\n\t\tcase 0x8dcb: // INT_SAMPLER_3D\n\t\tcase 0x8dd3: // UNSIGNED_INT_SAMPLER_3D\n\t\t\treturn setValueT3D1;\n\n\t\tcase 0x8b60: // SAMPLER_CUBE\n\t\tcase 0x8dcc: // INT_SAMPLER_CUBE\n\t\tcase 0x8dd4: // UNSIGNED_INT_SAMPLER_CUBE\n\t\tcase 0x8dc5: // SAMPLER_CUBE_SHADOW\n\t\t\treturn setValueT6;\n\n\t\tcase 0x8dc1: // SAMPLER_2D_ARRAY\n\t\tcase 0x8dcf: // INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dd7: // UNSIGNED_INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dc4: // SAMPLER_2D_ARRAY_SHADOW\n\t\t\treturn setValueT2DArray1;\n\n\t}\n\n}\n\n\n// Array of scalars\n\nfunction setValueV1fArray( gl, v ) {\n\n\tgl.uniform1fv( this.addr, v );\n\n}\n\n// Array of vectors (from flat array or array of THREE.VectorN)\n\nfunction setValueV2fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 2 );\n\n\tgl.uniform2fv( this.addr, data );\n\n}\n\nfunction setValueV3fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 3 );\n\n\tgl.uniform3fv( this.addr, data );\n\n}\n\nfunction setValueV4fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 4 );\n\n\tgl.uniform4fv( this.addr, data );\n\n}\n\n// Array of matrices (from flat array or array of THREE.MatrixN)\n\nfunction setValueM2Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 4 );\n\n\tgl.uniformMatrix2fv( this.addr, false, data );\n\n}\n\nfunction setValueM3Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 9 );\n\n\tgl.uniformMatrix3fv( this.addr, false, data );\n\n}\n\nfunction setValueM4Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 16 );\n\n\tgl.uniformMatrix4fv( this.addr, false, data );\n\n}\n\n// Array of integer / boolean\n\nfunction setValueV1iArray( gl, v ) {\n\n\tgl.uniform1iv( this.addr, v );\n\n}\n\n// Array of integer / boolean vectors (from flat array)\n\nfunction setValueV2iArray( gl, v ) {\n\n\tgl.uniform2iv( this.addr, v );\n\n}\n\nfunction setValueV3iArray( gl, v ) {\n\n\tgl.uniform3iv( this.addr, v );\n\n}\n\nfunction setValueV4iArray( gl, v ) {\n\n\tgl.uniform4iv( this.addr, v );\n\n}\n\n// Array of unsigned integer\n\nfunction setValueV1uiArray( gl, v ) {\n\n\tgl.uniform1uiv( this.addr, v );\n\n}\n\n// Array of unsigned integer vectors (from flat array)\n\nfunction setValueV2uiArray( gl, v ) {\n\n\tgl.uniform2uiv( this.addr, v );\n\n}\n\nfunction setValueV3uiArray( gl, v ) {\n\n\tgl.uniform3uiv( this.addr, v );\n\n}\n\nfunction setValueV4uiArray( gl, v ) {\n\n\tgl.uniform4uiv( this.addr, v );\n\n}\n\n\n// Array of textures (2D / 3D / Cube / 2DArray)\n\nfunction setValueT1Array( gl, v, textures ) {\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tgl.uniform1iv( this.addr, units );\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.safeSetTexture2D( v[ i ] || emptyTexture, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT3DArray( gl, v, textures ) {\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tgl.uniform1iv( this.addr, units );\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTexture3D( v[ i ] || emptyTexture3d, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT6Array( gl, v, textures ) {\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tgl.uniform1iv( this.addr, units );\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.safeSetTextureCube( v[ i ] || emptyCubeTexture, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT2DArrayArray( gl, v, textures ) {\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tgl.uniform1iv( this.addr, units );\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTexture2DArray( v[ i ] || emptyTexture2dArray, units[ i ] );\n\n\t}\n\n}\n\n\n// Helper to pick the right setter for a pure (bottom-level) array\n\nfunction getPureArraySetter( type ) {\n\n\tswitch ( type ) {\n\n\t\tcase 0x1406: return setValueV1fArray; // FLOAT\n\t\tcase 0x8b50: return setValueV2fArray; // _VEC2\n\t\tcase 0x8b51: return setValueV3fArray; // _VEC3\n\t\tcase 0x8b52: return setValueV4fArray; // _VEC4\n\n\t\tcase 0x8b5a: return setValueM2Array; // _MAT2\n\t\tcase 0x8b5b: return setValueM3Array; // _MAT3\n\t\tcase 0x8b5c: return setValueM4Array; // _MAT4\n\n\t\tcase 0x1404: case 0x8b56: return setValueV1iArray; // INT, BOOL\n\t\tcase 0x8b53: case 0x8b57: return setValueV2iArray; // _VEC2\n\t\tcase 0x8b54: case 0x8b58: return setValueV3iArray; // _VEC3\n\t\tcase 0x8b55: case 0x8b59: return setValueV4iArray; // _VEC4\n\n\t\tcase 0x1405: return setValueV1uiArray; // UINT\n\t\tcase 0x8dc6: return setValueV2uiArray; // _VEC2\n\t\tcase 0x8dc7: return setValueV3uiArray; // _VEC3\n\t\tcase 0x8dc8: return setValueV4uiArray; // _VEC4\n\n\t\tcase 0x8b5e: // SAMPLER_2D\n\t\tcase 0x8d66: // SAMPLER_EXTERNAL_OES\n\t\tcase 0x8dca: // INT_SAMPLER_2D\n\t\tcase 0x8dd2: // UNSIGNED_INT_SAMPLER_2D\n\t\tcase 0x8b62: // SAMPLER_2D_SHADOW\n\t\t\treturn setValueT1Array;\n\n\t\tcase 0x8b5f: // SAMPLER_3D\n\t\tcase 0x8dcb: // INT_SAMPLER_3D\n\t\tcase 0x8dd3: // UNSIGNED_INT_SAMPLER_3D\n\t\t\treturn setValueT3DArray;\n\n\t\tcase 0x8b60: // SAMPLER_CUBE\n\t\tcase 0x8dcc: // INT_SAMPLER_CUBE\n\t\tcase 0x8dd4: // UNSIGNED_INT_SAMPLER_CUBE\n\t\tcase 0x8dc5: // SAMPLER_CUBE_SHADOW\n\t\t\treturn setValueT6Array;\n\n\t\tcase 0x8dc1: // SAMPLER_2D_ARRAY\n\t\tcase 0x8dcf: // INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dd7: // UNSIGNED_INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dc4: // SAMPLER_2D_ARRAY_SHADOW\n\t\t\treturn setValueT2DArrayArray;\n\n\t}\n\n}\n\n// --- Uniform Classes ---\n\nfunction SingleUniform( id, activeInfo, addr ) {\n\n\tthis.id = id;\n\tthis.addr = addr;\n\tthis.cache = [];\n\tthis.setValue = getSingularSetter( activeInfo.type );\n\n\t// this.path = activeInfo.name; // DEBUG\n\n}\n\nfunction PureArrayUniform( id, activeInfo, addr ) {\n\n\tthis.id = id;\n\tthis.addr = addr;\n\tthis.cache = [];\n\tthis.size = activeInfo.size;\n\tthis.setValue = getPureArraySetter( activeInfo.type );\n\n\t// this.path = activeInfo.name; // DEBUG\n\n}\n\nPureArrayUniform.prototype.updateCache = function ( data ) {\n\n\tconst cache = this.cache;\n\n\tif ( data instanceof Float32Array && cache.length !== data.length ) {\n\n\t\tthis.cache = new Float32Array( data.length );\n\n\t}\n\n\tcopyArray( cache, data );\n\n};\n\nfunction StructuredUniform( id ) {\n\n\tthis.id = id;\n\n\tthis.seq = [];\n\tthis.map = {};\n\n}\n\nStructuredUniform.prototype.setValue = function ( gl, value, textures ) {\n\n\tconst seq = this.seq;\n\n\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\tconst u = seq[ i ];\n\t\tu.setValue( gl, value[ u.id ], textures );\n\n\t}\n\n};\n\n// --- Top-level ---\n\n// Parser - builds up the property tree from the path strings\n\nconst RePathPart = /(\\w+)(\\])?(\\[|\\.)?/g;\n\n// extracts\n// \t- the identifier (member name or array index)\n// - followed by an optional right bracket (found when array index)\n// - followed by an optional left bracket or dot (type of subscript)\n//\n// Note: These portions can be read in a non-overlapping fashion and\n// allow straightforward parsing of the hierarchy that WebGL encodes\n// in the uniform names.\n\nfunction addUniform( container, uniformObject ) {\n\n\tcontainer.seq.push( uniformObject );\n\tcontainer.map[ uniformObject.id ] = uniformObject;\n\n}\n\nfunction parseUniform( activeInfo, addr, container ) {\n\n\tconst path = activeInfo.name,\n\t\tpathLength = path.length;\n\n\t// reset RegExp object, because of the early exit of a previous run\n\tRePathPart.lastIndex = 0;\n\n\twhile ( true ) {\n\n\t\tconst match = RePathPart.exec( path ),\n\t\t\tmatchEnd = RePathPart.lastIndex;\n\n\t\tlet id = match[ 1 ];\n\t\tconst idIsIndex = match[ 2 ] === ']',\n\t\t\tsubscript = match[ 3 ];\n\n\t\tif ( idIsIndex ) id = id | 0; // convert to integer\n\n\t\tif ( subscript === undefined || subscript === '[' && matchEnd + 2 === pathLength ) {\n\n\t\t\t// bare name or \"pure\" bottom-level array \"[0]\" suffix\n\n\t\t\taddUniform( container, subscript === undefined ?\n\t\t\t\tnew SingleUniform( id, activeInfo, addr ) :\n\t\t\t\tnew PureArrayUniform( id, activeInfo, addr ) );\n\n\t\t\tbreak;\n\n\t\t} else {\n\n\t\t\t// step into inner node / create it in case it doesn't exist\n\n\t\t\tconst map = container.map;\n\t\t\tlet next = map[ id ];\n\n\t\t\tif ( next === undefined ) {\n\n\t\t\t\tnext = new StructuredUniform( id );\n\t\t\t\taddUniform( container, next );\n\n\t\t\t}\n\n\t\t\tcontainer = next;\n\n\t\t}\n\n\t}\n\n}\n\n// Root Container\n\nfunction WebGLUniforms( gl, program ) {\n\n\tthis.seq = [];\n\tthis.map = {};\n\n\tconst n = gl.getProgramParameter( program, 35718 );\n\n\tfor ( let i = 0; i < n; ++ i ) {\n\n\t\tconst info = gl.getActiveUniform( program, i ),\n\t\t\taddr = gl.getUniformLocation( program, info.name );\n\n\t\tparseUniform( info, addr, this );\n\n\t}\n\n}\n\nWebGLUniforms.prototype.setValue = function ( gl, name, value, textures ) {\n\n\tconst u = this.map[ name ];\n\n\tif ( u !== undefined ) u.setValue( gl, value, textures );\n\n};\n\nWebGLUniforms.prototype.setOptional = function ( gl, object, name ) {\n\n\tconst v = object[ name ];\n\n\tif ( v !== undefined ) this.setValue( gl, name, v );\n\n};\n\n\n// Static interface\n\nWebGLUniforms.upload = function ( gl, seq, values, textures ) {\n\n\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\tconst u = seq[ i ],\n\t\t\tv = values[ u.id ];\n\n\t\tif ( v.needsUpdate !== false ) {\n\n\t\t\t// note: always updating when .needsUpdate is undefined\n\t\t\tu.setValue( gl, v.value, textures );\n\n\t\t}\n\n\t}\n\n};\n\nWebGLUniforms.seqWithValue = function ( seq, values ) {\n\n\tconst r = [];\n\n\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\tconst u = seq[ i ];\n\t\tif ( u.id in values ) r.push( u );\n\n\t}\n\n\treturn r;\n\n};\n\nfunction WebGLShader( gl, type, string ) {\n\n\tconst shader = gl.createShader( type );\n\n\tgl.shaderSource( shader, string );\n\tgl.compileShader( shader );\n\n\treturn shader;\n\n}\n\nlet programIdCount = 0;\n\nfunction addLineNumbers( string ) {\n\n\tconst lines = string.split( '\\n' );\n\n\tfor ( let i = 0; i < lines.length; i ++ ) {\n\n\t\tlines[ i ] = ( i + 1 ) + ': ' + lines[ i ];\n\n\t}\n\n\treturn lines.join( '\\n' );\n\n}\n\nfunction getEncodingComponents( encoding ) {\n\n\tswitch ( encoding ) {\n\n\t\tcase LinearEncoding:\n\t\t\treturn [ 'Linear', '( value )' ];\n\t\tcase sRGBEncoding:\n\t\t\treturn [ 'sRGB', '( value )' ];\n\t\tcase RGBEEncoding:\n\t\t\treturn [ 'RGBE', '( value )' ];\n\t\tcase RGBM7Encoding:\n\t\t\treturn [ 'RGBM', '( value, 7.0 )' ];\n\t\tcase RGBM16Encoding:\n\t\t\treturn [ 'RGBM', '( value, 16.0 )' ];\n\t\tcase RGBDEncoding:\n\t\t\treturn [ 'RGBD', '( value, 256.0 )' ];\n\t\tcase GammaEncoding:\n\t\t\treturn [ 'Gamma', '( value, float( GAMMA_FACTOR ) )' ];\n\t\tdefault:\n\t\t\tconsole.warn( 'THREE.WebGLProgram: Unsupported encoding:', encoding );\n\t\t\treturn [ 'Linear', '( value )' ];\n\n\t}\n\n}\n\nfunction getShaderErrors( gl, shader, type ) {\n\n\tconst status = gl.getShaderParameter( shader, 35713 );\n\tconst errors = gl.getShaderInfoLog( shader ).trim();\n\n\tif ( status && errors === '' ) return '';\n\n\t// --enable-privileged-webgl-extension\n\t// console.log( '**' + type + '**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) );\n\n\treturn type.toUpperCase() + '\\n\\n' + errors + '\\n\\n' + addLineNumbers( gl.getShaderSource( shader ) );\n\n}\n\nfunction getTexelDecodingFunction( functionName, encoding ) {\n\n\tconst components = getEncodingComponents( encoding );\n\treturn 'vec4 ' + functionName + '( vec4 value ) { return ' + components[ 0 ] + 'ToLinear' + components[ 1 ] + '; }';\n\n}\n\nfunction getTexelEncodingFunction( functionName, encoding ) {\n\n\tconst components = getEncodingComponents( encoding );\n\treturn 'vec4 ' + functionName + '( vec4 value ) { return LinearTo' + components[ 0 ] + components[ 1 ] + '; }';\n\n}\n\nfunction getToneMappingFunction( functionName, toneMapping ) {\n\n\tlet toneMappingName;\n\n\tswitch ( toneMapping ) {\n\n\t\tcase LinearToneMapping:\n\t\t\ttoneMappingName = 'Linear';\n\t\t\tbreak;\n\n\t\tcase ReinhardToneMapping:\n\t\t\ttoneMappingName = 'Reinhard';\n\t\t\tbreak;\n\n\t\tcase CineonToneMapping:\n\t\t\ttoneMappingName = 'OptimizedCineon';\n\t\t\tbreak;\n\n\t\tcase ACESFilmicToneMapping:\n\t\t\ttoneMappingName = 'ACESFilmic';\n\t\t\tbreak;\n\n\t\tcase CustomToneMapping:\n\t\t\ttoneMappingName = 'Custom';\n\t\t\tbreak;\n\n\t\tdefault:\n\t\t\tconsole.warn( 'THREE.WebGLProgram: Unsupported toneMapping:', toneMapping );\n\t\t\ttoneMappingName = 'Linear';\n\n\t}\n\n\treturn 'vec3 ' + functionName + '( vec3 color ) { return ' + toneMappingName + 'ToneMapping( color ); }';\n\n}\n\nfunction generateExtensions( parameters ) {\n\n\tconst chunks = [\n\t\t( parameters.extensionDerivatives || parameters.envMapCubeUV || parameters.bumpMap || parameters.tangentSpaceNormalMap || parameters.clearcoatNormalMap || parameters.flatShading || parameters.shaderID === 'physical' ) ? '#extension GL_OES_standard_derivatives : enable' : '',\n\t\t( parameters.extensionFragDepth || parameters.logarithmicDepthBuffer ) && parameters.rendererExtensionFragDepth ? '#extension GL_EXT_frag_depth : enable' : '',\n\t\t( parameters.extensionDrawBuffers && parameters.rendererExtensionDrawBuffers ) ? '#extension GL_EXT_draw_buffers : require' : '',\n\t\t( parameters.extensionShaderTextureLOD || parameters.envMap || parameters.transmission ) && parameters.rendererExtensionShaderTextureLod ? '#extension GL_EXT_shader_texture_lod : enable' : ''\n\t];\n\n\treturn chunks.filter( filterEmptyLine ).join( '\\n' );\n\n}\n\nfunction generateDefines( defines ) {\n\n\tconst chunks = [];\n\n\tfor ( const name in defines ) {\n\n\t\tconst value = defines[ name ];\n\n\t\tif ( value === false ) continue;\n\n\t\tchunks.push( '#define ' + name + ' ' + value );\n\n\t}\n\n\treturn chunks.join( '\\n' );\n\n}\n\nfunction fetchAttributeLocations( gl, program ) {\n\n\tconst attributes = {};\n\n\tconst n = gl.getProgramParameter( program, 35721 );\n\n\tfor ( let i = 0; i < n; i ++ ) {\n\n\t\tconst info = gl.getActiveAttrib( program, i );\n\t\tconst name = info.name;\n\n\t\tlet locationSize = 1;\n\t\tif ( info.type === 35674 ) locationSize = 2;\n\t\tif ( info.type === 35675 ) locationSize = 3;\n\t\tif ( info.type === 35676 ) locationSize = 4;\n\n\t\t// console.log( 'THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:', name, i );\n\n\t\tattributes[ name ] = {\n\t\t\ttype: info.type,\n\t\t\tlocation: gl.getAttribLocation( program, name ),\n\t\t\tlocationSize: locationSize\n\t\t};\n\n\t}\n\n\treturn attributes;\n\n}\n\nfunction filterEmptyLine( string ) {\n\n\treturn string !== '';\n\n}\n\nfunction replaceLightNums( string, parameters ) {\n\n\treturn string\n\t\t.replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights )\n\t\t.replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights )\n\t\t.replace( /NUM_RECT_AREA_LIGHTS/g, parameters.numRectAreaLights )\n\t\t.replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights )\n\t\t.replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights )\n\t\t.replace( /NUM_DIR_LIGHT_SHADOWS/g, parameters.numDirLightShadows )\n\t\t.replace( /NUM_SPOT_LIGHT_SHADOWS/g, parameters.numSpotLightShadows )\n\t\t.replace( /NUM_POINT_LIGHT_SHADOWS/g, parameters.numPointLightShadows );\n\n}\n\nfunction replaceClippingPlaneNums( string, parameters ) {\n\n\treturn string\n\t\t.replace( /NUM_CLIPPING_PLANES/g, parameters.numClippingPlanes )\n\t\t.replace( /UNION_CLIPPING_PLANES/g, ( parameters.numClippingPlanes - parameters.numClipIntersection ) );\n\n}\n\n// Resolve Includes\n\nconst includePattern = /^[ \\t]*#include +<([\\w\\d./]+)>/gm;\n\nfunction resolveIncludes( string ) {\n\n\treturn string.replace( includePattern, includeReplacer );\n\n}\n\nfunction includeReplacer( match, include ) {\n\n\tconst string = ShaderChunk[ include ];\n\n\tif ( string === undefined ) {\n\n\t\tthrow new Error( 'Can not resolve #include <' + include + '>' );\n\n\t}\n\n\treturn resolveIncludes( string );\n\n}\n\n// Unroll Loops\n\nconst deprecatedUnrollLoopPattern = /#pragma unroll_loop[\\s]+?for \\( int i \\= (\\d+)\\; i < (\\d+)\\; i \\+\\+ \\) \\{([\\s\\S]+?)(?=\\})\\}/g;\nconst unrollLoopPattern = /#pragma unroll_loop_start\\s+for\\s*\\(\\s*int\\s+i\\s*=\\s*(\\d+)\\s*;\\s*i\\s*<\\s*(\\d+)\\s*;\\s*i\\s*\\+\\+\\s*\\)\\s*{([\\s\\S]+?)}\\s+#pragma unroll_loop_end/g;\n\nfunction unrollLoops( string ) {\n\n\treturn string\n\t\t.replace( unrollLoopPattern, loopReplacer )\n\t\t.replace( deprecatedUnrollLoopPattern, deprecatedLoopReplacer );\n\n}\n\nfunction deprecatedLoopReplacer( match, start, end, snippet ) {\n\n\tconsole.warn( 'WebGLProgram: #pragma unroll_loop shader syntax is deprecated. Please use #pragma unroll_loop_start syntax instead.' );\n\treturn loopReplacer( match, start, end, snippet );\n\n}\n\nfunction loopReplacer( match, start, end, snippet ) {\n\n\tlet string = '';\n\n\tfor ( let i = parseInt( start ); i < parseInt( end ); i ++ ) {\n\n\t\tstring += snippet\n\t\t\t.replace( /\\[\\s*i\\s*\\]/g, '[ ' + i + ' ]' )\n\t\t\t.replace( /UNROLLED_LOOP_INDEX/g, i );\n\n\t}\n\n\treturn string;\n\n}\n\n//\n\nfunction generatePrecision( parameters ) {\n\n\tlet precisionstring = 'precision ' + parameters.precision + ' float;\\nprecision ' + parameters.precision + ' int;';\n\n\tif ( parameters.precision === 'highp' ) {\n\n\t\tprecisionstring += '\\n#define HIGH_PRECISION';\n\n\t} else if ( parameters.precision === 'mediump' ) {\n\n\t\tprecisionstring += '\\n#define MEDIUM_PRECISION';\n\n\t} else if ( parameters.precision === 'lowp' ) {\n\n\t\tprecisionstring += '\\n#define LOW_PRECISION';\n\n\t}\n\n\treturn precisionstring;\n\n}\n\nfunction generateShadowMapTypeDefine( parameters ) {\n\n\tlet shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC';\n\n\tif ( parameters.shadowMapType === PCFShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF';\n\n\t} else if ( parameters.shadowMapType === PCFSoftShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT';\n\n\t} else if ( parameters.shadowMapType === VSMShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_VSM';\n\n\t}\n\n\treturn shadowMapTypeDefine;\n\n}\n\nfunction generateEnvMapTypeDefine( parameters ) {\n\n\tlet envMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.envMapMode ) {\n\n\t\t\tcase CubeReflectionMapping:\n\t\t\tcase CubeRefractionMapping:\n\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\t\t\tbreak;\n\n\t\t\tcase CubeUVReflectionMapping:\n\t\t\tcase CubeUVRefractionMapping:\n\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapTypeDefine;\n\n}\n\nfunction generateEnvMapModeDefine( parameters ) {\n\n\tlet envMapModeDefine = 'ENVMAP_MODE_REFLECTION';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.envMapMode ) {\n\n\t\t\tcase CubeRefractionMapping:\n\t\t\tcase CubeUVRefractionMapping:\n\n\t\t\t\tenvMapModeDefine = 'ENVMAP_MODE_REFRACTION';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapModeDefine;\n\n}\n\nfunction generateEnvMapBlendingDefine( parameters ) {\n\n\tlet envMapBlendingDefine = 'ENVMAP_BLENDING_NONE';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.combine ) {\n\n\t\t\tcase MultiplyOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\t\t\t\tbreak;\n\n\t\t\tcase MixOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MIX';\n\t\t\t\tbreak;\n\n\t\t\tcase AddOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_ADD';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapBlendingDefine;\n\n}\n\nfunction WebGLProgram( renderer, cacheKey, parameters, bindingStates ) {\n\n\t// TODO Send this event to Three.js DevTools\n\t// console.log( 'WebGLProgram', cacheKey );\n\n\tconst gl = renderer.getContext();\n\n\tconst defines = parameters.defines;\n\n\tlet vertexShader = parameters.vertexShader;\n\tlet fragmentShader = parameters.fragmentShader;\n\n\tconst shadowMapTypeDefine = generateShadowMapTypeDefine( parameters );\n\tconst envMapTypeDefine = generateEnvMapTypeDefine( parameters );\n\tconst envMapModeDefine = generateEnvMapModeDefine( parameters );\n\tconst envMapBlendingDefine = generateEnvMapBlendingDefine( parameters );\n\n\n\tconst gammaFactorDefine = ( renderer.gammaFactor > 0 ) ? renderer.gammaFactor : 1.0;\n\n\tconst customExtensions = parameters.isWebGL2 ? '' : generateExtensions( parameters );\n\n\tconst customDefines = generateDefines( defines );\n\n\tconst program = gl.createProgram();\n\n\tlet prefixVertex, prefixFragment;\n\tlet versionString = parameters.glslVersion ? '#version ' + parameters.glslVersion + '\\n' : '';\n\n\tif ( parameters.isRawShaderMaterial ) {\n\n\t\tprefixVertex = [\n\n\t\t\tcustomDefines\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tif ( prefixVertex.length > 0 ) {\n\n\t\t\tprefixVertex += '\\n';\n\n\t\t}\n\n\t\tprefixFragment = [\n\n\t\t\tcustomExtensions,\n\t\t\tcustomDefines\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tif ( prefixFragment.length > 0 ) {\n\n\t\t\tprefixFragment += '\\n';\n\n\t\t}\n\n\t} else {\n\n\t\tprefixVertex = [\n\n\t\t\tgeneratePrecision( parameters ),\n\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines,\n\n\t\t\tparameters.instancing ? '#define USE_INSTANCING' : '',\n\t\t\tparameters.instancingColor ? '#define USE_INSTANCING_COLOR' : '',\n\n\t\t\tparameters.supportsVertexTextures ? '#define VERTEX_TEXTURES' : '',\n\n\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t'#define MAX_BONES ' + parameters.maxBones,\n\t\t\t( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '',\n\t\t\t( parameters.useFog && parameters.fogExp2 ) ? '#define FOG_EXP2' : '',\n\n\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t( parameters.normalMap && parameters.objectSpaceNormalMap ) ? '#define OBJECTSPACE_NORMALMAP' : '',\n\t\t\t( parameters.normalMap && parameters.tangentSpaceNormalMap ) ? '#define TANGENTSPACE_NORMALMAP' : '',\n\n\t\t\tparameters.clearcoatMap ? '#define USE_CLEARCOATMAP' : '',\n\t\t\tparameters.clearcoatRoughnessMap ? '#define USE_CLEARCOAT_ROUGHNESSMAP' : '',\n\t\t\tparameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '',\n\n\t\t\tparameters.displacementMap && parameters.supportsVertexTextures ? '#define USE_DISPLACEMENTMAP' : '',\n\n\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\tparameters.specularIntensityMap ? '#define USE_SPECULARINTENSITYMAP' : '',\n\t\t\tparameters.specularColorMap ? '#define USE_SPECULARCOLORMAP' : '',\n\n\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\n\t\t\tparameters.transmission ? '#define USE_TRANSMISSION' : '',\n\t\t\tparameters.transmissionMap ? '#define USE_TRANSMISSIONMAP' : '',\n\t\t\tparameters.thicknessMap ? '#define USE_THICKNESSMAP' : '',\n\n\t\t\tparameters.sheenColorMap ? '#define USE_SHEENCOLORMAP' : '',\n\t\t\tparameters.sheenRoughnessMap ? '#define USE_SHEENROUGHNESSMAP' : '',\n\n\t\t\tparameters.vertexTangents ? '#define USE_TANGENT' : '',\n\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\t\t\tparameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '',\n\t\t\tparameters.vertexUvs ? '#define USE_UV' : '',\n\t\t\tparameters.uvsVertexOnly ? '#define UVS_VERTEX_ONLY' : '',\n\n\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\tparameters.skinning ? '#define USE_SKINNING' : '',\n\t\t\tparameters.useVertexTexture ? '#define BONE_TEXTURE' : '',\n\n\t\t\tparameters.morphTargets ? '#define USE_MORPHTARGETS' : '',\n\t\t\tparameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '',\n\t\t\t( parameters.morphTargets && parameters.isWebGL2 ) ? '#define MORPHTARGETS_TEXTURE' : '',\n\t\t\t( parameters.morphTargets && parameters.isWebGL2 ) ? '#define MORPHTARGETS_COUNT ' + parameters.morphTargetsCount : '',\n\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\tparameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '',\n\n\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t( parameters.logarithmicDepthBuffer && parameters.rendererExtensionFragDepth ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t'uniform mat4 modelMatrix;',\n\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t'uniform mat3 normalMatrix;',\n\t\t\t'uniform vec3 cameraPosition;',\n\t\t\t'uniform bool isOrthographic;',\n\n\t\t\t'#ifdef USE_INSTANCING',\n\n\t\t\t'\tattribute mat4 instanceMatrix;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_INSTANCING_COLOR',\n\n\t\t\t'\tattribute vec3 instanceColor;',\n\n\t\t\t'#endif',\n\n\t\t\t'attribute vec3 position;',\n\t\t\t'attribute vec3 normal;',\n\t\t\t'attribute vec2 uv;',\n\n\t\t\t'#ifdef USE_TANGENT',\n\n\t\t\t'\tattribute vec4 tangent;',\n\n\t\t\t'#endif',\n\n\t\t\t'#if defined( USE_COLOR_ALPHA )',\n\n\t\t\t'\tattribute vec4 color;',\n\n\t\t\t'#elif defined( USE_COLOR )',\n\n\t\t\t'\tattribute vec3 color;',\n\n\t\t\t'#endif',\n\n\t\t\t'#if ( defined( USE_MORPHTARGETS ) && ! defined( MORPHTARGETS_TEXTURE ) )',\n\n\t\t\t'\tattribute vec3 morphTarget0;',\n\t\t\t'\tattribute vec3 morphTarget1;',\n\t\t\t'\tattribute vec3 morphTarget2;',\n\t\t\t'\tattribute vec3 morphTarget3;',\n\n\t\t\t'\t#ifdef USE_MORPHNORMALS',\n\n\t\t\t'\t\tattribute vec3 morphNormal0;',\n\t\t\t'\t\tattribute vec3 morphNormal1;',\n\t\t\t'\t\tattribute vec3 morphNormal2;',\n\t\t\t'\t\tattribute vec3 morphNormal3;',\n\n\t\t\t'\t#else',\n\n\t\t\t'\t\tattribute vec3 morphTarget4;',\n\t\t\t'\t\tattribute vec3 morphTarget5;',\n\t\t\t'\t\tattribute vec3 morphTarget6;',\n\t\t\t'\t\tattribute vec3 morphTarget7;',\n\n\t\t\t'\t#endif',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_SKINNING',\n\n\t\t\t'\tattribute vec4 skinIndex;',\n\t\t\t'\tattribute vec4 skinWeight;',\n\n\t\t\t'#endif',\n\n\t\t\t'\\n'\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tprefixFragment = [\n\n\t\t\tcustomExtensions,\n\n\t\t\tgeneratePrecision( parameters ),\n\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines,\n\n\t\t\t'#define GAMMA_FACTOR ' + gammaFactorDefine,\n\n\t\t\t( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '',\n\t\t\t( parameters.useFog && parameters.fogExp2 ) ? '#define FOG_EXP2' : '',\n\n\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\tparameters.matcap ? '#define USE_MATCAP' : '',\n\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\tparameters.envMap ? '#define ' + envMapTypeDefine : '',\n\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\tparameters.envMap ? '#define ' + envMapBlendingDefine : '',\n\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\t( parameters.normalMap && parameters.objectSpaceNormalMap ) ? '#define OBJECTSPACE_NORMALMAP' : '',\n\t\t\t( parameters.normalMap && parameters.tangentSpaceNormalMap ) ? '#define TANGENTSPACE_NORMALMAP' : '',\n\n\t\t\tparameters.clearcoat ? '#define USE_CLEARCOAT' : '',\n\t\t\tparameters.clearcoatMap ? '#define USE_CLEARCOATMAP' : '',\n\t\t\tparameters.clearcoatRoughnessMap ? '#define USE_CLEARCOAT_ROUGHNESSMAP' : '',\n\t\t\tparameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '',\n\n\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\tparameters.specularIntensityMap ? '#define USE_SPECULARINTENSITYMAP' : '',\n\t\t\tparameters.specularColorMap ? '#define USE_SPECULARCOLORMAP' : '',\n\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\n\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\tparameters.alphaTest ? '#define USE_ALPHATEST' : '',\n\n\t\t\tparameters.sheen ? '#define USE_SHEEN' : '',\n\t\t\tparameters.sheenColorMap ? '#define USE_SHEENCOLORMAP' : '',\n\t\t\tparameters.sheenRoughnessMap ? '#define USE_SHEENROUGHNESSMAP' : '',\n\n\t\t\tparameters.transmission ? '#define USE_TRANSMISSION' : '',\n\t\t\tparameters.transmissionMap ? '#define USE_TRANSMISSIONMAP' : '',\n\t\t\tparameters.thicknessMap ? '#define USE_THICKNESSMAP' : '',\n\n\t\t\tparameters.vertexTangents ? '#define USE_TANGENT' : '',\n\t\t\tparameters.vertexColors || parameters.instancingColor ? '#define USE_COLOR' : '',\n\t\t\tparameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '',\n\t\t\tparameters.vertexUvs ? '#define USE_UV' : '',\n\t\t\tparameters.uvsVertexOnly ? '#define UVS_VERTEX_ONLY' : '',\n\n\t\t\tparameters.gradientMap ? '#define USE_GRADIENTMAP' : '',\n\n\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\tparameters.premultipliedAlpha ? '#define PREMULTIPLIED_ALPHA' : '',\n\n\t\t\tparameters.physicallyCorrectLights ? '#define PHYSICALLY_CORRECT_LIGHTS' : '',\n\n\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\t( parameters.logarithmicDepthBuffer && parameters.rendererExtensionFragDepth ) ? '#define USE_LOGDEPTHBUF_EXT' : '',\n\n\t\t\t( ( parameters.extensionShaderTextureLOD || parameters.envMap ) && parameters.rendererExtensionShaderTextureLod ) ? '#define TEXTURE_LOD_EXT' : '',\n\n\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t'uniform vec3 cameraPosition;',\n\t\t\t'uniform bool isOrthographic;',\n\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? '#define TONE_MAPPING' : '',\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( 'toneMapping', parameters.toneMapping ) : '',\n\n\t\t\tparameters.dithering ? '#define DITHERING' : '',\n\t\t\tparameters.format === RGBFormat ? '#define OPAQUE' : '',\n\n\t\t\tShaderChunk[ 'encodings_pars_fragment' ], // this code is required here because it is used by the various encoding/decoding function defined below\n\t\t\tparameters.map ? getTexelDecodingFunction( 'mapTexelToLinear', parameters.mapEncoding ) : '',\n\t\t\tparameters.matcap ? getTexelDecodingFunction( 'matcapTexelToLinear', parameters.matcapEncoding ) : '',\n\t\t\tparameters.envMap ? getTexelDecodingFunction( 'envMapTexelToLinear', parameters.envMapEncoding ) : '',\n\t\t\tparameters.emissiveMap ? getTexelDecodingFunction( 'emissiveMapTexelToLinear', parameters.emissiveMapEncoding ) : '',\n\t\t\tparameters.specularColorMap ? getTexelDecodingFunction( 'specularColorMapTexelToLinear', parameters.specularColorMapEncoding ) : '',\n\t\t\tparameters.sheenColorMap ? getTexelDecodingFunction( 'sheenColorMapTexelToLinear', parameters.sheenColorMapEncoding ) : '',\n\t\t\tparameters.lightMap ? getTexelDecodingFunction( 'lightMapTexelToLinear', parameters.lightMapEncoding ) : '',\n\t\t\tgetTexelEncodingFunction( 'linearToOutputTexel', parameters.outputEncoding ),\n\n\t\t\tparameters.depthPacking ? '#define DEPTH_PACKING ' + parameters.depthPacking : '',\n\n\t\t\t'\\n'\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t}\n\n\tvertexShader = resolveIncludes( vertexShader );\n\tvertexShader = replaceLightNums( vertexShader, parameters );\n\tvertexShader = replaceClippingPlaneNums( vertexShader, parameters );\n\n\tfragmentShader = resolveIncludes( fragmentShader );\n\tfragmentShader = replaceLightNums( fragmentShader, parameters );\n\tfragmentShader = replaceClippingPlaneNums( fragmentShader, parameters );\n\n\tvertexShader = unrollLoops( vertexShader );\n\tfragmentShader = unrollLoops( fragmentShader );\n\n\tif ( parameters.isWebGL2 && parameters.isRawShaderMaterial !== true ) {\n\n\t\t// GLSL 3.0 conversion for built-in materials and ShaderMaterial\n\n\t\tversionString = '#version 300 es\\n';\n\n\t\tprefixVertex = [\n\t\t\t'precision mediump sampler2DArray;',\n\t\t\t'#define attribute in',\n\t\t\t'#define varying out',\n\t\t\t'#define texture2D texture'\n\t\t].join( '\\n' ) + '\\n' + prefixVertex;\n\n\t\tprefixFragment = [\n\t\t\t'#define varying in',\n\t\t\t( parameters.glslVersion === GLSL3 ) ? '' : 'out highp vec4 pc_fragColor;',\n\t\t\t( parameters.glslVersion === GLSL3 ) ? '' : '#define gl_FragColor pc_fragColor',\n\t\t\t'#define gl_FragDepthEXT gl_FragDepth',\n\t\t\t'#define texture2D texture',\n\t\t\t'#define textureCube texture',\n\t\t\t'#define texture2DProj textureProj',\n\t\t\t'#define texture2DLodEXT textureLod',\n\t\t\t'#define texture2DProjLodEXT textureProjLod',\n\t\t\t'#define textureCubeLodEXT textureLod',\n\t\t\t'#define texture2DGradEXT textureGrad',\n\t\t\t'#define texture2DProjGradEXT textureProjGrad',\n\t\t\t'#define textureCubeGradEXT textureGrad'\n\t\t].join( '\\n' ) + '\\n' + prefixFragment;\n\n\t}\n\n\tconst vertexGlsl = versionString + prefixVertex + vertexShader;\n\tconst fragmentGlsl = versionString + prefixFragment + fragmentShader;\n\n\t// console.log( '*VERTEX*', vertexGlsl );\n\t// console.log( '*FRAGMENT*', fragmentGlsl );\n\n\tconst glVertexShader = WebGLShader( gl, 35633, vertexGlsl );\n\tconst glFragmentShader = WebGLShader( gl, 35632, fragmentGlsl );\n\n\tgl.attachShader( program, glVertexShader );\n\tgl.attachShader( program, glFragmentShader );\n\n\t// Force a particular attribute to index 0.\n\n\tif ( parameters.index0AttributeName !== undefined ) {\n\n\t\tgl.bindAttribLocation( program, 0, parameters.index0AttributeName );\n\n\t} else if ( parameters.morphTargets === true ) {\n\n\t\t// programs with morphTargets displace position out of attribute 0\n\t\tgl.bindAttribLocation( program, 0, 'position' );\n\n\t}\n\n\tgl.linkProgram( program );\n\n\t// check for link errors\n\tif ( renderer.debug.checkShaderErrors ) {\n\n\t\tconst programLog = gl.getProgramInfoLog( program ).trim();\n\t\tconst vertexLog = gl.getShaderInfoLog( glVertexShader ).trim();\n\t\tconst fragmentLog = gl.getShaderInfoLog( glFragmentShader ).trim();\n\n\t\tlet runnable = true;\n\t\tlet haveDiagnostics = true;\n\n\t\tif ( gl.getProgramParameter( program, 35714 ) === false ) {\n\n\t\t\trunnable = false;\n\n\t\t\tconst vertexErrors = getShaderErrors( gl, glVertexShader, 'vertex' );\n\t\t\tconst fragmentErrors = getShaderErrors( gl, glFragmentShader, 'fragment' );\n\n\t\t\tconsole.error(\n\t\t\t\t'THREE.WebGLProgram: Shader Error ' + gl.getError() + ' - ' +\n\t\t\t\t'VALIDATE_STATUS ' + gl.getProgramParameter( program, 35715 ) + '\\n\\n' +\n\t\t\t\t'Program Info Log: ' + programLog + '\\n' +\n\t\t\t\tvertexErrors + '\\n' +\n\t\t\t\tfragmentErrors\n\t\t\t);\n\n\t\t} else if ( programLog !== '' ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLProgram: Program Info Log:', programLog );\n\n\t\t} else if ( vertexLog === '' || fragmentLog === '' ) {\n\n\t\t\thaveDiagnostics = false;\n\n\t\t}\n\n\t\tif ( haveDiagnostics ) {\n\n\t\t\tthis.diagnostics = {\n\n\t\t\t\trunnable: runnable,\n\n\t\t\t\tprogramLog: programLog,\n\n\t\t\t\tvertexShader: {\n\n\t\t\t\t\tlog: vertexLog,\n\t\t\t\t\tprefix: prefixVertex\n\n\t\t\t\t},\n\n\t\t\t\tfragmentShader: {\n\n\t\t\t\t\tlog: fragmentLog,\n\t\t\t\t\tprefix: prefixFragment\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}\n\n\t}\n\n\t// Clean up\n\n\t// Crashes in iOS9 and iOS10. #18402\n\t// gl.detachShader( program, glVertexShader );\n\t// gl.detachShader( program, glFragmentShader );\n\n\tgl.deleteShader( glVertexShader );\n\tgl.deleteShader( glFragmentShader );\n\n\t// set up caching for uniform locations\n\n\tlet cachedUniforms;\n\n\tthis.getUniforms = function () {\n\n\t\tif ( cachedUniforms === undefined ) {\n\n\t\t\tcachedUniforms = new WebGLUniforms( gl, program );\n\n\t\t}\n\n\t\treturn cachedUniforms;\n\n\t};\n\n\t// set up caching for attribute locations\n\n\tlet cachedAttributes;\n\n\tthis.getAttributes = function () {\n\n\t\tif ( cachedAttributes === undefined ) {\n\n\t\t\tcachedAttributes = fetchAttributeLocations( gl, program );\n\n\t\t}\n\n\t\treturn cachedAttributes;\n\n\t};\n\n\t// free resource\n\n\tthis.destroy = function () {\n\n\t\tbindingStates.releaseStatesOfProgram( this );\n\n\t\tgl.deleteProgram( program );\n\t\tthis.program = undefined;\n\n\t};\n\n\t//\n\n\tthis.name = parameters.shaderName;\n\tthis.id = programIdCount ++;\n\tthis.cacheKey = cacheKey;\n\tthis.usedTimes = 1;\n\tthis.program = program;\n\tthis.vertexShader = glVertexShader;\n\tthis.fragmentShader = glFragmentShader;\n\n\treturn this;\n\n}\n\nfunction WebGLPrograms( renderer, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping ) {\n\n\tconst programs = [];\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\tconst logarithmicDepthBuffer = capabilities.logarithmicDepthBuffer;\n\tconst floatVertexTextures = capabilities.floatVertexTextures;\n\tconst maxVertexUniforms = capabilities.maxVertexUniforms;\n\tconst vertexTextures = capabilities.vertexTextures;\n\n\tlet precision = capabilities.precision;\n\n\tconst shaderIDs = {\n\t\tMeshDepthMaterial: 'depth',\n\t\tMeshDistanceMaterial: 'distanceRGBA',\n\t\tMeshNormalMaterial: 'normal',\n\t\tMeshBasicMaterial: 'basic',\n\t\tMeshLambertMaterial: 'lambert',\n\t\tMeshPhongMaterial: 'phong',\n\t\tMeshToonMaterial: 'toon',\n\t\tMeshStandardMaterial: 'physical',\n\t\tMeshPhysicalMaterial: 'physical',\n\t\tMeshMatcapMaterial: 'matcap',\n\t\tLineBasicMaterial: 'basic',\n\t\tLineDashedMaterial: 'dashed',\n\t\tPointsMaterial: 'points',\n\t\tShadowMaterial: 'shadow',\n\t\tSpriteMaterial: 'sprite'\n\t};\n\n\tconst parameterNames = [\n\t\t'precision', 'isWebGL2', 'supportsVertexTextures', 'outputEncoding', 'instancing', 'instancingColor',\n\t\t'map', 'mapEncoding', 'matcap', 'matcapEncoding', 'envMap', 'envMapMode', 'envMapEncoding', 'envMapCubeUV',\n\t\t'lightMap', 'lightMapEncoding', 'aoMap', 'emissiveMap', 'emissiveMapEncoding', 'bumpMap', 'normalMap',\n\t\t'objectSpaceNormalMap', 'tangentSpaceNormalMap',\n\t\t'clearcoat', 'clearcoatMap', 'clearcoatRoughnessMap', 'clearcoatNormalMap',\n\t\t'displacementMap', 'specularMap', , 'roughnessMap', 'metalnessMap', 'gradientMap',\n\t\t'alphaMap', 'alphaTest', 'combine', 'vertexColors', 'vertexAlphas', 'vertexTangents', 'vertexUvs', 'uvsVertexOnly', 'fog', 'useFog', 'fogExp2',\n\t\t'flatShading', 'sizeAttenuation', 'logarithmicDepthBuffer', 'skinning',\n\t\t'maxBones', 'useVertexTexture', 'morphTargets', 'morphNormals', 'morphTargetsCount', 'premultipliedAlpha',\n\t\t'numDirLights', 'numPointLights', 'numSpotLights', 'numHemiLights', 'numRectAreaLights',\n\t\t'numDirLightShadows', 'numPointLightShadows', 'numSpotLightShadows',\n\t\t'shadowMapEnabled', 'shadowMapType', 'toneMapping', 'physicallyCorrectLights',\n\t\t'doubleSided', 'flipSided', 'numClippingPlanes', 'numClipIntersection', 'depthPacking', 'dithering', 'format',\n\t\t'specularIntensityMap', 'specularColorMap', 'specularColorMapEncoding',\n\t\t'transmission', 'transmissionMap', 'thicknessMap',\n\t\t'sheen', 'sheenColorMap', 'sheenColorMapEncoding', 'sheenRoughnessMap'\n\t];\n\n\tfunction getMaxBones( object ) {\n\n\t\tconst skeleton = object.skeleton;\n\t\tconst bones = skeleton.bones;\n\n\t\tif ( floatVertexTextures ) {\n\n\t\t\treturn 1024;\n\n\t\t} else {\n\n\t\t\t// default for when object is not specified\n\t\t\t// ( for example when prebuilding shader to be used with multiple objects )\n\t\t\t//\n\t\t\t// - leave some extra space for other uniforms\n\t\t\t// - limit here is ANGLE's 254 max uniform vectors\n\t\t\t// (up to 54 should be safe)\n\n\t\t\tconst nVertexUniforms = maxVertexUniforms;\n\t\t\tconst nVertexMatrices = Math.floor( ( nVertexUniforms - 20 ) / 4 );\n\n\t\t\tconst maxBones = Math.min( nVertexMatrices, bones.length );\n\n\t\t\tif ( maxBones < bones.length ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Skeleton has ' + bones.length + ' bones. This GPU supports ' + maxBones + '.' );\n\t\t\t\treturn 0;\n\n\t\t\t}\n\n\t\t\treturn maxBones;\n\n\t\t}\n\n\t}\n\n\tfunction getTextureEncodingFromMap( map ) {\n\n\t\tlet encoding;\n\n\t\tif ( map && map.isTexture ) {\n\n\t\t\tencoding = map.encoding;\n\n\t\t} else if ( map && map.isWebGLRenderTarget ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLPrograms.getTextureEncodingFromMap: don\\'t use render targets as textures. Use their .texture property instead.' );\n\t\t\tencoding = map.texture.encoding;\n\n\t\t} else {\n\n\t\t\tencoding = LinearEncoding;\n\n\t\t}\n\n\t\t/* if ( isWebGL2 && map && map.isTexture && map.format === RGBAFormat && map.type === UnsignedByteType && map.encoding === sRGBEncoding ) {\n\n\t\t\tencoding = LinearEncoding; // disable inline decode for sRGB textures in WebGL 2\n\n\t\t} */\n\n\t\treturn encoding;\n\n\t}\n\n\tfunction getParameters( material, lights, shadows, scene, object ) {\n\n\t\tconst fog = scene.fog;\n\t\tconst environment = material.isMeshStandardMaterial ? scene.environment : null;\n\n\t\tconst envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || environment );\n\n\t\tconst shaderID = shaderIDs[ material.type ];\n\n\t\t// heuristics to create shader parameters according to lights in the scene\n\t\t// (not to blow over maxLights budget)\n\n\t\tconst maxBones = object.isSkinnedMesh ? getMaxBones( object ) : 0;\n\n\t\tif ( material.precision !== null ) {\n\n\t\t\tprecision = capabilities.getMaxPrecision( material.precision );\n\n\t\t\tif ( precision !== material.precision ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' );\n\n\t\t\t}\n\n\t\t}\n\n\t\tlet vertexShader, fragmentShader;\n\n\t\tif ( shaderID ) {\n\n\t\t\tconst shader = ShaderLib[ shaderID ];\n\n\t\t\tvertexShader = shader.vertexShader;\n\t\t\tfragmentShader = shader.fragmentShader;\n\n\t\t} else {\n\n\t\t\tvertexShader = material.vertexShader;\n\t\t\tfragmentShader = material.fragmentShader;\n\n\t\t}\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\tconst useAlphaTest = material.alphaTest > 0;\n\t\tconst useClearcoat = material.clearcoat > 0;\n\n\t\tconst parameters = {\n\n\t\t\tisWebGL2: isWebGL2,\n\n\t\t\tshaderID: shaderID,\n\t\t\tshaderName: material.type,\n\n\t\t\tvertexShader: vertexShader,\n\t\t\tfragmentShader: fragmentShader,\n\t\t\tdefines: material.defines,\n\n\t\t\tisRawShaderMaterial: material.isRawShaderMaterial === true,\n\t\t\tglslVersion: material.glslVersion,\n\n\t\t\tprecision: precision,\n\n\t\t\tinstancing: object.isInstancedMesh === true,\n\t\t\tinstancingColor: object.isInstancedMesh === true && object.instanceColor !== null,\n\n\t\t\tsupportsVertexTextures: vertexTextures,\n\t\t\toutputEncoding: ( currentRenderTarget !== null ) ? getTextureEncodingFromMap( currentRenderTarget.texture ) : renderer.outputEncoding,\n\t\t\tmap: !! material.map,\n\t\t\tmapEncoding: getTextureEncodingFromMap( material.map ),\n\t\t\tmatcap: !! material.matcap,\n\t\t\tmatcapEncoding: getTextureEncodingFromMap( material.matcap ),\n\t\t\tenvMap: !! envMap,\n\t\t\tenvMapMode: envMap && envMap.mapping,\n\t\t\tenvMapEncoding: getTextureEncodingFromMap( envMap ),\n\t\t\tenvMapCubeUV: ( !! envMap ) && ( ( envMap.mapping === CubeUVReflectionMapping ) || ( envMap.mapping === CubeUVRefractionMapping ) ),\n\t\t\tlightMap: !! material.lightMap,\n\t\t\tlightMapEncoding: getTextureEncodingFromMap( material.lightMap ),\n\t\t\taoMap: !! material.aoMap,\n\t\t\temissiveMap: !! material.emissiveMap,\n\t\t\temissiveMapEncoding: getTextureEncodingFromMap( material.emissiveMap ),\n\t\t\tbumpMap: !! material.bumpMap,\n\t\t\tnormalMap: !! material.normalMap,\n\t\t\tobjectSpaceNormalMap: material.normalMapType === ObjectSpaceNormalMap,\n\t\t\ttangentSpaceNormalMap: material.normalMapType === TangentSpaceNormalMap,\n\n\t\t\tclearcoat: useClearcoat,\n\t\t\tclearcoatMap: useClearcoat && !! material.clearcoatMap,\n\t\t\tclearcoatRoughnessMap: useClearcoat && !! material.clearcoatRoughnessMap,\n\t\t\tclearcoatNormalMap: useClearcoat && !! material.clearcoatNormalMap,\n\n\t\t\tdisplacementMap: !! material.displacementMap,\n\t\t\troughnessMap: !! material.roughnessMap,\n\t\t\tmetalnessMap: !! material.metalnessMap,\n\t\t\tspecularMap: !! material.specularMap,\n\t\t\tspecularIntensityMap: !! material.specularIntensityMap,\n\t\t\tspecularColorMap: !! material.specularColorMap,\n\t\t\tspecularColorMapEncoding: getTextureEncodingFromMap( material.specularColorMap ),\n\n\t\t\talphaMap: !! material.alphaMap,\n\t\t\talphaTest: useAlphaTest,\n\n\t\t\tgradientMap: !! material.gradientMap,\n\n\t\t\tsheen: material.sheen > 0,\n\t\t\tsheenColorMap: !! material.sheenColorMap,\n\t\t\tsheenColorMapEncoding: getTextureEncodingFromMap( material.sheenColorMap ),\n\t\t\tsheenRoughnessMap: !! material.sheenRoughnessMap,\n\n\t\t\ttransmission: material.transmission > 0,\n\t\t\ttransmissionMap: !! material.transmissionMap,\n\t\t\tthicknessMap: !! material.thicknessMap,\n\n\t\t\tcombine: material.combine,\n\n\t\t\tvertexTangents: ( !! material.normalMap && !! object.geometry && !! object.geometry.attributes.tangent ),\n\t\t\tvertexColors: material.vertexColors,\n\t\t\tvertexAlphas: material.vertexColors === true && !! object.geometry && !! object.geometry.attributes.color && object.geometry.attributes.color.itemSize === 4,\n\t\t\tvertexUvs: !! material.map || !! material.bumpMap || !! material.normalMap || !! material.specularMap || !! material.alphaMap || !! material.emissiveMap || !! material.roughnessMap || !! material.metalnessMap || !! material.clearcoatMap || !! material.clearcoatRoughnessMap || !! material.clearcoatNormalMap || !! material.displacementMap || !! material.transmissionMap || !! material.thicknessMap || !! material.specularIntensityMap || !! material.specularColorMap || !! material.sheenColorMap || material.sheenRoughnessMap,\n\t\t\tuvsVertexOnly: ! ( !! material.map || !! material.bumpMap || !! material.normalMap || !! material.specularMap || !! material.alphaMap || !! material.emissiveMap || !! material.roughnessMap || !! material.metalnessMap || !! material.clearcoatNormalMap || material.transmission > 0 || !! material.transmissionMap || !! material.thicknessMap || !! material.specularIntensityMap || !! material.specularColorMap || material.sheen > 0 || !! material.sheenColorMap || !! material.sheenRoughnessMap ) && !! material.displacementMap,\n\n\t\t\tfog: !! fog,\n\t\t\tuseFog: material.fog,\n\t\t\tfogExp2: ( fog && fog.isFogExp2 ),\n\n\t\t\tflatShading: !! material.flatShading,\n\n\t\t\tsizeAttenuation: material.sizeAttenuation,\n\t\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\n\t\t\tskinning: object.isSkinnedMesh === true && maxBones > 0,\n\t\t\tmaxBones: maxBones,\n\t\t\tuseVertexTexture: floatVertexTextures,\n\n\t\t\tmorphTargets: !! object.geometry && !! object.geometry.morphAttributes.position,\n\t\t\tmorphNormals: !! object.geometry && !! object.geometry.morphAttributes.normal,\n\t\t\tmorphTargetsCount: ( !! object.geometry && !! object.geometry.morphAttributes.position ) ? object.geometry.morphAttributes.position.length : 0,\n\n\t\t\tnumDirLights: lights.directional.length,\n\t\t\tnumPointLights: lights.point.length,\n\t\t\tnumSpotLights: lights.spot.length,\n\t\t\tnumRectAreaLights: lights.rectArea.length,\n\t\t\tnumHemiLights: lights.hemi.length,\n\n\t\t\tnumDirLightShadows: lights.directionalShadowMap.length,\n\t\t\tnumPointLightShadows: lights.pointShadowMap.length,\n\t\t\tnumSpotLightShadows: lights.spotShadowMap.length,\n\n\t\t\tnumClippingPlanes: clipping.numPlanes,\n\t\t\tnumClipIntersection: clipping.numIntersection,\n\n\t\t\tformat: material.format,\n\t\t\tdithering: material.dithering,\n\n\t\t\tshadowMapEnabled: renderer.shadowMap.enabled && shadows.length > 0,\n\t\t\tshadowMapType: renderer.shadowMap.type,\n\n\t\t\ttoneMapping: material.toneMapped ? renderer.toneMapping : NoToneMapping,\n\t\t\tphysicallyCorrectLights: renderer.physicallyCorrectLights,\n\n\t\t\tpremultipliedAlpha: material.premultipliedAlpha,\n\n\t\t\tdoubleSided: material.side === DoubleSide,\n\t\t\tflipSided: material.side === BackSide,\n\n\t\t\tdepthPacking: ( material.depthPacking !== undefined ) ? material.depthPacking : false,\n\n\t\t\tindex0AttributeName: material.index0AttributeName,\n\n\t\t\textensionDerivatives: material.extensions && material.extensions.derivatives,\n\t\t\textensionFragDepth: material.extensions && material.extensions.fragDepth,\n\t\t\textensionDrawBuffers: material.extensions && material.extensions.drawBuffers,\n\t\t\textensionShaderTextureLOD: material.extensions && material.extensions.shaderTextureLOD,\n\n\t\t\trendererExtensionFragDepth: isWebGL2 || extensions.has( 'EXT_frag_depth' ),\n\t\t\trendererExtensionDrawBuffers: isWebGL2 || extensions.has( 'WEBGL_draw_buffers' ),\n\t\t\trendererExtensionShaderTextureLod: isWebGL2 || extensions.has( 'EXT_shader_texture_lod' ),\n\n\t\t\tcustomProgramCacheKey: material.customProgramCacheKey()\n\n\t\t};\n\n\t\treturn parameters;\n\n\t}\n\n\tfunction getProgramCacheKey( parameters ) {\n\n\t\tconst array = [];\n\n\t\tif ( parameters.shaderID ) {\n\n\t\t\tarray.push( parameters.shaderID );\n\n\t\t} else {\n\n\t\t\tarray.push( hashString( parameters.fragmentShader ) );\n\t\t\tarray.push( hashString( parameters.vertexShader ) );\n\n\t\t}\n\n\t\tif ( parameters.defines !== undefined ) {\n\n\t\t\tfor ( const name in parameters.defines ) {\n\n\t\t\t\tarray.push( name );\n\t\t\t\tarray.push( parameters.defines[ name ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( parameters.isRawShaderMaterial === false ) {\n\n\t\t\tfor ( let i = 0; i < parameterNames.length; i ++ ) {\n\n\t\t\t\tarray.push( parameters[ parameterNames[ i ] ] );\n\n\t\t\t}\n\n\t\t\tarray.push( renderer.outputEncoding );\n\t\t\tarray.push( renderer.gammaFactor );\n\n\t\t}\n\n\t\tarray.push( parameters.customProgramCacheKey );\n\n\t\treturn array.join();\n\n\t}\n\n\tfunction getUniforms( material ) {\n\n\t\tconst shaderID = shaderIDs[ material.type ];\n\t\tlet uniforms;\n\n\t\tif ( shaderID ) {\n\n\t\t\tconst shader = ShaderLib[ shaderID ];\n\t\t\tuniforms = UniformsUtils.clone( shader.uniforms );\n\n\t\t} else {\n\n\t\t\tuniforms = material.uniforms;\n\n\t\t}\n\n\t\treturn uniforms;\n\n\t}\n\n\tfunction acquireProgram( parameters, cacheKey ) {\n\n\t\tlet program;\n\n\t\t// Check if code has been already compiled\n\t\tfor ( let p = 0, pl = programs.length; p < pl; p ++ ) {\n\n\t\t\tconst preexistingProgram = programs[ p ];\n\n\t\t\tif ( preexistingProgram.cacheKey === cacheKey ) {\n\n\t\t\t\tprogram = preexistingProgram;\n\t\t\t\t++ program.usedTimes;\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( program === undefined ) {\n\n\t\t\tprogram = new WebGLProgram( renderer, cacheKey, parameters, bindingStates );\n\t\t\tprograms.push( program );\n\n\t\t}\n\n\t\treturn program;\n\n\t}\n\n\tfunction releaseProgram( program ) {\n\n\t\tif ( -- program.usedTimes === 0 ) {\n\n\t\t\t// Remove from unordered set\n\t\t\tconst i = programs.indexOf( program );\n\t\t\tprograms[ i ] = programs[ programs.length - 1 ];\n\t\t\tprograms.pop();\n\n\t\t\t// Free WebGL resources\n\t\t\tprogram.destroy();\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tgetParameters: getParameters,\n\t\tgetProgramCacheKey: getProgramCacheKey,\n\t\tgetUniforms: getUniforms,\n\t\tacquireProgram: acquireProgram,\n\t\treleaseProgram: releaseProgram,\n\t\t// Exposed for resource monitoring & error feedback via renderer.info:\n\t\tprograms: programs\n\t};\n\n}\n\nfunction WebGLProperties() {\n\n\tlet properties = new WeakMap();\n\n\tfunction get( object ) {\n\n\t\tlet map = properties.get( object );\n\n\t\tif ( map === undefined ) {\n\n\t\t\tmap = {};\n\t\t\tproperties.set( object, map );\n\n\t\t}\n\n\t\treturn map;\n\n\t}\n\n\tfunction remove( object ) {\n\n\t\tproperties.delete( object );\n\n\t}\n\n\tfunction update( object, key, value ) {\n\n\t\tproperties.get( object )[ key ] = value;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tproperties = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tremove: remove,\n\t\tupdate: update,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction painterSortStable( a, b ) {\n\n\tif ( a.groupOrder !== b.groupOrder ) {\n\n\t\treturn a.groupOrder - b.groupOrder;\n\n\t} else if ( a.renderOrder !== b.renderOrder ) {\n\n\t\treturn a.renderOrder - b.renderOrder;\n\n\t} else if ( a.program !== b.program ) {\n\n\t\treturn a.program.id - b.program.id;\n\n\t} else if ( a.material.id !== b.material.id ) {\n\n\t\treturn a.material.id - b.material.id;\n\n\t} else if ( a.z !== b.z ) {\n\n\t\treturn a.z - b.z;\n\n\t} else {\n\n\t\treturn a.id - b.id;\n\n\t}\n\n}\n\nfunction reversePainterSortStable( a, b ) {\n\n\tif ( a.groupOrder !== b.groupOrder ) {\n\n\t\treturn a.groupOrder - b.groupOrder;\n\n\t} else if ( a.renderOrder !== b.renderOrder ) {\n\n\t\treturn a.renderOrder - b.renderOrder;\n\n\t} else if ( a.z !== b.z ) {\n\n\t\treturn b.z - a.z;\n\n\t} else {\n\n\t\treturn a.id - b.id;\n\n\t}\n\n}\n\n\nfunction WebGLRenderList( properties ) {\n\n\tconst renderItems = [];\n\tlet renderItemsIndex = 0;\n\n\tconst opaque = [];\n\tconst transmissive = [];\n\tconst transparent = [];\n\n\tconst defaultProgram = { id: - 1 };\n\n\tfunction init() {\n\n\t\trenderItemsIndex = 0;\n\n\t\topaque.length = 0;\n\t\ttransmissive.length = 0;\n\t\ttransparent.length = 0;\n\n\t}\n\n\tfunction getNextRenderItem( object, geometry, material, groupOrder, z, group ) {\n\n\t\tlet renderItem = renderItems[ renderItemsIndex ];\n\t\tconst materialProperties = properties.get( material );\n\n\t\tif ( renderItem === undefined ) {\n\n\t\t\trenderItem = {\n\t\t\t\tid: object.id,\n\t\t\t\tobject: object,\n\t\t\t\tgeometry: geometry,\n\t\t\t\tmaterial: material,\n\t\t\t\tprogram: materialProperties.program || defaultProgram,\n\t\t\t\tgroupOrder: groupOrder,\n\t\t\t\trenderOrder: object.renderOrder,\n\t\t\t\tz: z,\n\t\t\t\tgroup: group\n\t\t\t};\n\n\t\t\trenderItems[ renderItemsIndex ] = renderItem;\n\n\t\t} else {\n\n\t\t\trenderItem.id = object.id;\n\t\t\trenderItem.object = object;\n\t\t\trenderItem.geometry = geometry;\n\t\t\trenderItem.material = material;\n\t\t\trenderItem.program = materialProperties.program || defaultProgram;\n\t\t\trenderItem.groupOrder = groupOrder;\n\t\t\trenderItem.renderOrder = object.renderOrder;\n\t\t\trenderItem.z = z;\n\t\t\trenderItem.group = group;\n\n\t\t}\n\n\t\trenderItemsIndex ++;\n\n\t\treturn renderItem;\n\n\t}\n\n\tfunction push( object, geometry, material, groupOrder, z, group ) {\n\n\t\tconst renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group );\n\n\t\tif ( material.transmission > 0.0 ) {\n\n\t\t\ttransmissive.push( renderItem );\n\n\t\t} else if ( material.transparent === true ) {\n\n\t\t\ttransparent.push( renderItem );\n\n\t\t} else {\n\n\t\t\topaque.push( renderItem );\n\n\t\t}\n\n\t}\n\n\tfunction unshift( object, geometry, material, groupOrder, z, group ) {\n\n\t\tconst renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group );\n\n\t\tif ( material.transmission > 0.0 ) {\n\n\t\t\ttransmissive.unshift( renderItem );\n\n\t\t} else if ( material.transparent === true ) {\n\n\t\t\ttransparent.unshift( renderItem );\n\n\t\t} else {\n\n\t\t\topaque.unshift( renderItem );\n\n\t\t}\n\n\t}\n\n\tfunction sort( customOpaqueSort, customTransparentSort ) {\n\n\t\tif ( opaque.length > 1 ) opaque.sort( customOpaqueSort || painterSortStable );\n\t\tif ( transmissive.length > 1 ) transmissive.sort( customTransparentSort || reversePainterSortStable );\n\t\tif ( transparent.length > 1 ) transparent.sort( customTransparentSort || reversePainterSortStable );\n\n\t}\n\n\tfunction finish() {\n\n\t\t// Clear references from inactive renderItems in the list\n\n\t\tfor ( let i = renderItemsIndex, il = renderItems.length; i < il; i ++ ) {\n\n\t\t\tconst renderItem = renderItems[ i ];\n\n\t\t\tif ( renderItem.id === null ) break;\n\n\t\t\trenderItem.id = null;\n\t\t\trenderItem.object = null;\n\t\t\trenderItem.geometry = null;\n\t\t\trenderItem.material = null;\n\t\t\trenderItem.program = null;\n\t\t\trenderItem.group = null;\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\topaque: opaque,\n\t\ttransmissive: transmissive,\n\t\ttransparent: transparent,\n\n\t\tinit: init,\n\t\tpush: push,\n\t\tunshift: unshift,\n\t\tfinish: finish,\n\n\t\tsort: sort\n\t};\n\n}\n\nfunction WebGLRenderLists( properties ) {\n\n\tlet lists = new WeakMap();\n\n\tfunction get( scene, renderCallDepth ) {\n\n\t\tlet list;\n\n\t\tif ( lists.has( scene ) === false ) {\n\n\t\t\tlist = new WebGLRenderList( properties );\n\t\t\tlists.set( scene, [ list ] );\n\n\t\t} else {\n\n\t\t\tif ( renderCallDepth >= lists.get( scene ).length ) {\n\n\t\t\t\tlist = new WebGLRenderList( properties );\n\t\t\t\tlists.get( scene ).push( list );\n\n\t\t\t} else {\n\n\t\t\t\tlist = lists.get( scene )[ renderCallDepth ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn list;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tlists = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction UniformsCache() {\n\n\tconst lights = {};\n\n\treturn {\n\n\t\tget: function ( light ) {\n\n\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\treturn lights[ light.id ];\n\n\t\t\t}\n\n\t\t\tlet uniforms;\n\n\t\t\tswitch ( light.type ) {\n\n\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tcolor: new Color()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'SpotLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\tconeCos: 0,\n\t\t\t\t\t\tpenumbraCos: 0,\n\t\t\t\t\t\tdecay: 0\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'PointLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\tdecay: 0\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'HemisphereLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tskyColor: new Color(),\n\t\t\t\t\t\tgroundColor: new Color()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'RectAreaLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\thalfWidth: new Vector3(),\n\t\t\t\t\t\thalfHeight: new Vector3()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\treturn uniforms;\n\n\t\t}\n\n\t};\n\n}\n\nfunction ShadowUniformsCache() {\n\n\tconst lights = {};\n\n\treturn {\n\n\t\tget: function ( light ) {\n\n\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\treturn lights[ light.id ];\n\n\t\t\t}\n\n\t\t\tlet uniforms;\n\n\t\t\tswitch ( light.type ) {\n\n\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'SpotLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'PointLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2(),\n\t\t\t\t\t\tshadowCameraNear: 1,\n\t\t\t\t\t\tshadowCameraFar: 1000\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\t// TODO (abelnation): set RectAreaLight shadow uniforms\n\n\t\t\t}\n\n\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\treturn uniforms;\n\n\t\t}\n\n\t};\n\n}\n\n\n\nlet nextVersion = 0;\n\nfunction shadowCastingLightsFirst( lightA, lightB ) {\n\n\treturn ( lightB.castShadow ? 1 : 0 ) - ( lightA.castShadow ? 1 : 0 );\n\n}\n\nfunction WebGLLights( extensions, capabilities ) {\n\n\tconst cache = new UniformsCache();\n\n\tconst shadowCache = ShadowUniformsCache();\n\n\tconst state = {\n\n\t\tversion: 0,\n\n\t\thash: {\n\t\t\tdirectionalLength: - 1,\n\t\t\tpointLength: - 1,\n\t\t\tspotLength: - 1,\n\t\t\trectAreaLength: - 1,\n\t\t\themiLength: - 1,\n\n\t\t\tnumDirectionalShadows: - 1,\n\t\t\tnumPointShadows: - 1,\n\t\t\tnumSpotShadows: - 1\n\t\t},\n\n\t\tambient: [ 0, 0, 0 ],\n\t\tprobe: [],\n\t\tdirectional: [],\n\t\tdirectionalShadow: [],\n\t\tdirectionalShadowMap: [],\n\t\tdirectionalShadowMatrix: [],\n\t\tspot: [],\n\t\tspotShadow: [],\n\t\tspotShadowMap: [],\n\t\tspotShadowMatrix: [],\n\t\trectArea: [],\n\t\trectAreaLTC1: null,\n\t\trectAreaLTC2: null,\n\t\tpoint: [],\n\t\tpointShadow: [],\n\t\tpointShadowMap: [],\n\t\tpointShadowMatrix: [],\n\t\themi: []\n\n\t};\n\n\tfor ( let i = 0; i < 9; i ++ ) state.probe.push( new Vector3() );\n\n\tconst vector3 = new Vector3();\n\tconst matrix4 = new Matrix4();\n\tconst matrix42 = new Matrix4();\n\n\tfunction setup( lights, physicallyCorrectLights ) {\n\n\t\tlet r = 0, g = 0, b = 0;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) state.probe[ i ].set( 0, 0, 0 );\n\n\t\tlet directionalLength = 0;\n\t\tlet pointLength = 0;\n\t\tlet spotLength = 0;\n\t\tlet rectAreaLength = 0;\n\t\tlet hemiLength = 0;\n\n\t\tlet numDirectionalShadows = 0;\n\t\tlet numPointShadows = 0;\n\t\tlet numSpotShadows = 0;\n\n\t\tlights.sort( shadowCastingLightsFirst );\n\n\t\t// artist-friendly light intensity scaling factor\n\t\tconst scaleFactor = ( physicallyCorrectLights !== true ) ? Math.PI : 1;\n\n\t\tfor ( let i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\n\t\t\tconst color = light.color;\n\t\t\tconst intensity = light.intensity;\n\t\t\tconst distance = light.distance;\n\n\t\t\tconst shadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null;\n\n\t\t\tif ( light.isAmbientLight ) {\n\n\t\t\t\tr += color.r * intensity * scaleFactor;\n\t\t\t\tg += color.g * intensity * scaleFactor;\n\t\t\t\tb += color.b * intensity * scaleFactor;\n\n\t\t\t} else if ( light.isLightProbe ) {\n\n\t\t\t\tfor ( let j = 0; j < 9; j ++ ) {\n\n\t\t\t\t\tstate.probe[ j ].addScaledVector( light.sh.coefficients[ j ], intensity );\n\n\t\t\t\t}\n\n\t\t\t} else if ( light.isDirectionalLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity * scaleFactor );\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\n\t\t\t\t\tstate.directionalShadow[ directionalLength ] = shadowUniforms;\n\t\t\t\t\tstate.directionalShadowMap[ directionalLength ] = shadowMap;\n\t\t\t\t\tstate.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix;\n\n\t\t\t\t\tnumDirectionalShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.directional[ directionalLength ] = uniforms;\n\n\t\t\t\tdirectionalLength ++;\n\n\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\n\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity * scaleFactor );\n\t\t\t\tuniforms.distance = distance;\n\n\t\t\t\tuniforms.coneCos = Math.cos( light.angle );\n\t\t\t\tuniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) );\n\t\t\t\tuniforms.decay = light.decay;\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\n\t\t\t\t\tstate.spotShadow[ spotLength ] = shadowUniforms;\n\t\t\t\t\tstate.spotShadowMap[ spotLength ] = shadowMap;\n\t\t\t\t\tstate.spotShadowMatrix[ spotLength ] = light.shadow.matrix;\n\n\t\t\t\t\tnumSpotShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.spot[ spotLength ] = uniforms;\n\n\t\t\t\tspotLength ++;\n\n\t\t\t} else if ( light.isRectAreaLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\t// (a) intensity is the total visible light emitted\n\t\t\t\t//uniforms.color.copy( color ).multiplyScalar( intensity / ( light.width * light.height * Math.PI ) );\n\n\t\t\t\t// (b) intensity is the brightness of the light\n\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity );\n\n\t\t\t\tuniforms.halfWidth.set( light.width * 0.5, 0.0, 0.0 );\n\t\t\t\tuniforms.halfHeight.set( 0.0, light.height * 0.5, 0.0 );\n\n\t\t\t\tstate.rectArea[ rectAreaLength ] = uniforms;\n\n\t\t\t\trectAreaLength ++;\n\n\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity * scaleFactor );\n\t\t\t\tuniforms.distance = light.distance;\n\t\t\t\tuniforms.decay = light.decay;\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\t\t\t\t\tshadowUniforms.shadowCameraNear = shadow.camera.near;\n\t\t\t\t\tshadowUniforms.shadowCameraFar = shadow.camera.far;\n\n\t\t\t\t\tstate.pointShadow[ pointLength ] = shadowUniforms;\n\t\t\t\t\tstate.pointShadowMap[ pointLength ] = shadowMap;\n\t\t\t\t\tstate.pointShadowMatrix[ pointLength ] = light.shadow.matrix;\n\n\t\t\t\t\tnumPointShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.point[ pointLength ] = uniforms;\n\n\t\t\t\tpointLength ++;\n\n\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.skyColor.copy( light.color ).multiplyScalar( intensity * scaleFactor );\n\t\t\t\tuniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity * scaleFactor );\n\n\t\t\t\tstate.hemi[ hemiLength ] = uniforms;\n\n\t\t\t\themiLength ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( rectAreaLength > 0 ) {\n\n\t\t\tif ( capabilities.isWebGL2 ) {\n\n\t\t\t\t// WebGL 2\n\n\t\t\t\tstate.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1;\n\t\t\t\tstate.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2;\n\n\t\t\t} else {\n\n\t\t\t\t// WebGL 1\n\n\t\t\t\tif ( extensions.has( 'OES_texture_float_linear' ) === true ) {\n\n\t\t\t\t\tstate.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1;\n\t\t\t\t\tstate.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2;\n\n\t\t\t\t} else if ( extensions.has( 'OES_texture_half_float_linear' ) === true ) {\n\n\t\t\t\t\tstate.rectAreaLTC1 = UniformsLib.LTC_HALF_1;\n\t\t\t\t\tstate.rectAreaLTC2 = UniformsLib.LTC_HALF_2;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer: Unable to use RectAreaLight. Missing WebGL extensions.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.ambient[ 0 ] = r;\n\t\tstate.ambient[ 1 ] = g;\n\t\tstate.ambient[ 2 ] = b;\n\n\t\tconst hash = state.hash;\n\n\t\tif ( hash.directionalLength !== directionalLength ||\n\t\t\thash.pointLength !== pointLength ||\n\t\t\thash.spotLength !== spotLength ||\n\t\t\thash.rectAreaLength !== rectAreaLength ||\n\t\t\thash.hemiLength !== hemiLength ||\n\t\t\thash.numDirectionalShadows !== numDirectionalShadows ||\n\t\t\thash.numPointShadows !== numPointShadows ||\n\t\t\thash.numSpotShadows !== numSpotShadows ) {\n\n\t\t\tstate.directional.length = directionalLength;\n\t\t\tstate.spot.length = spotLength;\n\t\t\tstate.rectArea.length = rectAreaLength;\n\t\t\tstate.point.length = pointLength;\n\t\t\tstate.hemi.length = hemiLength;\n\n\t\t\tstate.directionalShadow.length = numDirectionalShadows;\n\t\t\tstate.directionalShadowMap.length = numDirectionalShadows;\n\t\t\tstate.pointShadow.length = numPointShadows;\n\t\t\tstate.pointShadowMap.length = numPointShadows;\n\t\t\tstate.spotShadow.length = numSpotShadows;\n\t\t\tstate.spotShadowMap.length = numSpotShadows;\n\t\t\tstate.directionalShadowMatrix.length = numDirectionalShadows;\n\t\t\tstate.pointShadowMatrix.length = numPointShadows;\n\t\t\tstate.spotShadowMatrix.length = numSpotShadows;\n\n\t\t\thash.directionalLength = directionalLength;\n\t\t\thash.pointLength = pointLength;\n\t\t\thash.spotLength = spotLength;\n\t\t\thash.rectAreaLength = rectAreaLength;\n\t\t\thash.hemiLength = hemiLength;\n\n\t\t\thash.numDirectionalShadows = numDirectionalShadows;\n\t\t\thash.numPointShadows = numPointShadows;\n\t\t\thash.numSpotShadows = numSpotShadows;\n\n\t\t\tstate.version = nextVersion ++;\n\n\t\t}\n\n\t}\n\n\tfunction setupView( lights, camera ) {\n\n\t\tlet directionalLength = 0;\n\t\tlet pointLength = 0;\n\t\tlet spotLength = 0;\n\t\tlet rectAreaLength = 0;\n\t\tlet hemiLength = 0;\n\n\t\tconst viewMatrix = camera.matrixWorldInverse;\n\n\t\tfor ( let i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\n\t\t\tif ( light.isDirectionalLight ) {\n\n\t\t\t\tconst uniforms = state.directional[ directionalLength ];\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tvector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\tuniforms.direction.sub( vector3 );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\tdirectionalLength ++;\n\n\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\tconst uniforms = state.spot[ spotLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tvector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\tuniforms.direction.sub( vector3 );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\tspotLength ++;\n\n\t\t\t} else if ( light.isRectAreaLight ) {\n\n\t\t\t\tconst uniforms = state.rectArea[ rectAreaLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t// extract local rotation of light to derive width/height half vectors\n\t\t\t\tmatrix42.identity();\n\t\t\t\tmatrix4.copy( light.matrixWorld );\n\t\t\t\tmatrix4.premultiply( viewMatrix );\n\t\t\t\tmatrix42.extractRotation( matrix4 );\n\n\t\t\t\tuniforms.halfWidth.set( light.width * 0.5, 0.0, 0.0 );\n\t\t\t\tuniforms.halfHeight.set( 0.0, light.height * 0.5, 0.0 );\n\n\t\t\t\tuniforms.halfWidth.applyMatrix4( matrix42 );\n\t\t\t\tuniforms.halfHeight.applyMatrix4( matrix42 );\n\n\t\t\t\trectAreaLength ++;\n\n\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\tconst uniforms = state.point[ pointLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\tpointLength ++;\n\n\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\tconst uniforms = state.hemi[ hemiLength ];\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\t\t\t\tuniforms.direction.normalize();\n\n\t\t\t\themiLength ++;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tsetup: setup,\n\t\tsetupView: setupView,\n\t\tstate: state\n\t};\n\n}\n\nfunction WebGLRenderState( extensions, capabilities ) {\n\n\tconst lights = new WebGLLights( extensions, capabilities );\n\n\tconst lightsArray = [];\n\tconst shadowsArray = [];\n\n\tfunction init() {\n\n\t\tlightsArray.length = 0;\n\t\tshadowsArray.length = 0;\n\n\t}\n\n\tfunction pushLight( light ) {\n\n\t\tlightsArray.push( light );\n\n\t}\n\n\tfunction pushShadow( shadowLight ) {\n\n\t\tshadowsArray.push( shadowLight );\n\n\t}\n\n\tfunction setupLights( physicallyCorrectLights ) {\n\n\t\tlights.setup( lightsArray, physicallyCorrectLights );\n\n\t}\n\n\tfunction setupLightsView( camera ) {\n\n\t\tlights.setupView( lightsArray, camera );\n\n\t}\n\n\tconst state = {\n\t\tlightsArray: lightsArray,\n\t\tshadowsArray: shadowsArray,\n\n\t\tlights: lights\n\t};\n\n\treturn {\n\t\tinit: init,\n\t\tstate: state,\n\t\tsetupLights: setupLights,\n\t\tsetupLightsView: setupLightsView,\n\n\t\tpushLight: pushLight,\n\t\tpushShadow: pushShadow\n\t};\n\n}\n\nfunction WebGLRenderStates( extensions, capabilities ) {\n\n\tlet renderStates = new WeakMap();\n\n\tfunction get( scene, renderCallDepth = 0 ) {\n\n\t\tlet renderState;\n\n\t\tif ( renderStates.has( scene ) === false ) {\n\n\t\t\trenderState = new WebGLRenderState( extensions, capabilities );\n\t\t\trenderStates.set( scene, [ renderState ] );\n\n\t\t} else {\n\n\t\t\tif ( renderCallDepth >= renderStates.get( scene ).length ) {\n\n\t\t\t\trenderState = new WebGLRenderState( extensions, capabilities );\n\t\t\t\trenderStates.get( scene ).push( renderState );\n\n\t\t\t} else {\n\n\t\t\t\trenderState = renderStates.get( scene )[ renderCallDepth ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn renderState;\n\n\t}\n\n\tfunction dispose() {\n\n\t\trenderStates = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\n/**\n * parameters = {\n *\n * opacity: ,\n *\n * map: new THREE.Texture( ),\n *\n * alphaMap: new THREE.Texture( ),\n *\n * displacementMap: new THREE.Texture( ),\n * displacementScale: ,\n * displacementBias: ,\n *\n * wireframe: ,\n * wireframeLinewidth: \n * }\n */\n\nclass MeshDepthMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshDepthMaterial';\n\n\t\tthis.depthPacking = BasicDepthPacking;\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.depthPacking = source.depthPacking;\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshDepthMaterial.prototype.isMeshDepthMaterial = true;\n\n/**\n * parameters = {\n *\n * referencePosition: ,\n * nearDistance: ,\n * farDistance: ,\n *\n * map: new THREE.Texture( ),\n *\n * alphaMap: new THREE.Texture( ),\n *\n * displacementMap: new THREE.Texture( ),\n * displacementScale: ,\n * displacementBias: \n *\n * }\n */\n\nclass MeshDistanceMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshDistanceMaterial';\n\n\t\tthis.referencePosition = new Vector3();\n\t\tthis.nearDistance = 1;\n\t\tthis.farDistance = 1000;\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.fog = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.referencePosition.copy( source.referencePosition );\n\t\tthis.nearDistance = source.nearDistance;\n\t\tthis.farDistance = source.farDistance;\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshDistanceMaterial.prototype.isMeshDistanceMaterial = true;\n\nconst vertex = \"void main() {\\n\\tgl_Position = vec4( position, 1.0 );\\n}\";\n\nconst fragment = \"uniform sampler2D shadow_pass;\\nuniform vec2 resolution;\\nuniform float radius;\\n#include \\nvoid main() {\\n\\tconst float samples = float( VSM_SAMPLES );\\n\\tfloat mean = 0.0;\\n\\tfloat squared_mean = 0.0;\\n\\tfloat uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\\n\\tfloat uvStart = samples <= 1.0 ? 0.0 : - 1.0;\\n\\tfor ( float i = 0.0; i < samples; i ++ ) {\\n\\t\\tfloat uvOffset = uvStart + i * uvStride;\\n\\t\\t#ifdef HORIZONTAL_PASS\\n\\t\\t\\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\\n\\t\\t\\tmean += distribution.x;\\n\\t\\t\\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\\n\\t\\t#else\\n\\t\\t\\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\\n\\t\\t\\tmean += depth;\\n\\t\\t\\tsquared_mean += depth * depth;\\n\\t\\t#endif\\n\\t}\\n\\tmean = mean / samples;\\n\\tsquared_mean = squared_mean / samples;\\n\\tfloat std_dev = sqrt( squared_mean - mean * mean );\\n\\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\\n}\";\n\nfunction WebGLShadowMap( _renderer, _objects, _capabilities ) {\n\n\tlet _frustum = new Frustum();\n\n\tconst _shadowMapSize = new Vector2(),\n\t\t_viewportSize = new Vector2(),\n\n\t\t_viewport = new Vector4(),\n\n\t\t_depthMaterial = new MeshDepthMaterial( { depthPacking: RGBADepthPacking } ),\n\t\t_distanceMaterial = new MeshDistanceMaterial(),\n\n\t\t_materialCache = {},\n\n\t\t_maxTextureSize = _capabilities.maxTextureSize;\n\n\tconst shadowSide = { 0: BackSide, 1: FrontSide, 2: DoubleSide };\n\n\tconst shadowMaterialVertical = new ShaderMaterial( {\n\t\tdefines: {\n\t\t\tVSM_SAMPLES: 8\n\t\t},\n\t\tuniforms: {\n\t\t\tshadow_pass: { value: null },\n\t\t\tresolution: { value: new Vector2() },\n\t\t\tradius: { value: 4.0 }\n\t\t},\n\n\t\tvertexShader: vertex,\n\t\tfragmentShader: fragment\n\n\t} );\n\n\tconst shadowMaterialHorizontal = shadowMaterialVertical.clone();\n\tshadowMaterialHorizontal.defines.HORIZONTAL_PASS = 1;\n\n\tconst fullScreenTri = new BufferGeometry();\n\tfullScreenTri.setAttribute(\n\t\t'position',\n\t\tnew BufferAttribute(\n\t\t\tnew Float32Array( [ - 1, - 1, 0.5, 3, - 1, 0.5, - 1, 3, 0.5 ] ),\n\t\t\t3\n\t\t)\n\t);\n\n\tconst fullScreenMesh = new Mesh( fullScreenTri, shadowMaterialVertical );\n\n\tconst scope = this;\n\n\tthis.enabled = false;\n\n\tthis.autoUpdate = true;\n\tthis.needsUpdate = false;\n\n\tthis.type = PCFShadowMap;\n\n\tthis.render = function ( lights, scene, camera ) {\n\n\t\tif ( scope.enabled === false ) return;\n\t\tif ( scope.autoUpdate === false && scope.needsUpdate === false ) return;\n\n\t\tif ( lights.length === 0 ) return;\n\n\t\tconst currentRenderTarget = _renderer.getRenderTarget();\n\t\tconst activeCubeFace = _renderer.getActiveCubeFace();\n\t\tconst activeMipmapLevel = _renderer.getActiveMipmapLevel();\n\n\t\tconst _state = _renderer.state;\n\n\t\t// Set GL state for depth map.\n\t\t_state.setBlending( NoBlending );\n\t\t_state.buffers.color.setClear( 1, 1, 1, 1 );\n\t\t_state.buffers.depth.setTest( true );\n\t\t_state.setScissorTest( false );\n\n\t\t// render depth map\n\n\t\tfor ( let i = 0, il = lights.length; i < il; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\t\t\tconst shadow = light.shadow;\n\n\t\t\tif ( shadow === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tif ( shadow.autoUpdate === false && shadow.needsUpdate === false ) continue;\n\n\t\t\t_shadowMapSize.copy( shadow.mapSize );\n\n\t\t\tconst shadowFrameExtents = shadow.getFrameExtents();\n\n\t\t\t_shadowMapSize.multiply( shadowFrameExtents );\n\n\t\t\t_viewportSize.copy( shadow.mapSize );\n\n\t\t\tif ( _shadowMapSize.x > _maxTextureSize || _shadowMapSize.y > _maxTextureSize ) {\n\n\t\t\t\tif ( _shadowMapSize.x > _maxTextureSize ) {\n\n\t\t\t\t\t_viewportSize.x = Math.floor( _maxTextureSize / shadowFrameExtents.x );\n\t\t\t\t\t_shadowMapSize.x = _viewportSize.x * shadowFrameExtents.x;\n\t\t\t\t\tshadow.mapSize.x = _viewportSize.x;\n\n\t\t\t\t}\n\n\t\t\t\tif ( _shadowMapSize.y > _maxTextureSize ) {\n\n\t\t\t\t\t_viewportSize.y = Math.floor( _maxTextureSize / shadowFrameExtents.y );\n\t\t\t\t\t_shadowMapSize.y = _viewportSize.y * shadowFrameExtents.y;\n\t\t\t\t\tshadow.mapSize.y = _viewportSize.y;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( shadow.map === null && ! shadow.isPointLightShadow && this.type === VSMShadowMap ) {\n\n\t\t\t\tconst pars = { minFilter: LinearFilter, magFilter: LinearFilter, format: RGBAFormat };\n\n\t\t\t\tshadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\t\t\t\tshadow.map.texture.name = light.name + '.shadowMap';\n\n\t\t\t\tshadow.mapPass = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\n\t\t\t\tshadow.camera.updateProjectionMatrix();\n\n\t\t\t}\n\n\t\t\tif ( shadow.map === null ) {\n\n\t\t\t\tconst pars = { minFilter: NearestFilter, magFilter: NearestFilter, format: RGBAFormat };\n\n\t\t\t\tshadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\t\t\t\tshadow.map.texture.name = light.name + '.shadowMap';\n\n\t\t\t\tshadow.camera.updateProjectionMatrix();\n\n\t\t\t}\n\n\t\t\t_renderer.setRenderTarget( shadow.map );\n\t\t\t_renderer.clear();\n\n\t\t\tconst viewportCount = shadow.getViewportCount();\n\n\t\t\tfor ( let vp = 0; vp < viewportCount; vp ++ ) {\n\n\t\t\t\tconst viewport = shadow.getViewport( vp );\n\n\t\t\t\t_viewport.set(\n\t\t\t\t\t_viewportSize.x * viewport.x,\n\t\t\t\t\t_viewportSize.y * viewport.y,\n\t\t\t\t\t_viewportSize.x * viewport.z,\n\t\t\t\t\t_viewportSize.y * viewport.w\n\t\t\t\t);\n\n\t\t\t\t_state.viewport( _viewport );\n\n\t\t\t\tshadow.updateMatrices( light, vp );\n\n\t\t\t\t_frustum = shadow.getFrustum();\n\n\t\t\t\trenderObject( scene, camera, shadow.camera, light, this.type );\n\n\t\t\t}\n\n\t\t\t// do blur pass for VSM\n\n\t\t\tif ( ! shadow.isPointLightShadow && this.type === VSMShadowMap ) {\n\n\t\t\t\tVSMPass( shadow, camera );\n\n\t\t\t}\n\n\t\t\tshadow.needsUpdate = false;\n\n\t\t}\n\n\t\tscope.needsUpdate = false;\n\n\t\t_renderer.setRenderTarget( currentRenderTarget, activeCubeFace, activeMipmapLevel );\n\n\t};\n\n\tfunction VSMPass( shadow, camera ) {\n\n\t\tconst geometry = _objects.update( fullScreenMesh );\n\n\t\tif ( shadowMaterialVertical.defines.VSM_SAMPLES !== shadow.blurSamples ) {\n\n\t\t\tshadowMaterialVertical.defines.VSM_SAMPLES = shadow.blurSamples;\n\t\t\tshadowMaterialHorizontal.defines.VSM_SAMPLES = shadow.blurSamples;\n\n\t\t\tshadowMaterialVertical.needsUpdate = true;\n\t\t\tshadowMaterialHorizontal.needsUpdate = true;\n\n\t\t}\n\n\t\t// vertical pass\n\n\t\tshadowMaterialVertical.uniforms.shadow_pass.value = shadow.map.texture;\n\t\tshadowMaterialVertical.uniforms.resolution.value = shadow.mapSize;\n\t\tshadowMaterialVertical.uniforms.radius.value = shadow.radius;\n\t\t_renderer.setRenderTarget( shadow.mapPass );\n\t\t_renderer.clear();\n\t\t_renderer.renderBufferDirect( camera, null, geometry, shadowMaterialVertical, fullScreenMesh, null );\n\n\t\t// horizontal pass\n\n\t\tshadowMaterialHorizontal.uniforms.shadow_pass.value = shadow.mapPass.texture;\n\t\tshadowMaterialHorizontal.uniforms.resolution.value = shadow.mapSize;\n\t\tshadowMaterialHorizontal.uniforms.radius.value = shadow.radius;\n\t\t_renderer.setRenderTarget( shadow.map );\n\t\t_renderer.clear();\n\t\t_renderer.renderBufferDirect( camera, null, geometry, shadowMaterialHorizontal, fullScreenMesh, null );\n\n\t}\n\n\tfunction getDepthMaterial( object, geometry, material, light, shadowCameraNear, shadowCameraFar, type ) {\n\n\t\tlet result = null;\n\n\t\tconst customMaterial = ( light.isPointLight === true ) ? object.customDistanceMaterial : object.customDepthMaterial;\n\n\t\tif ( customMaterial !== undefined ) {\n\n\t\t\tresult = customMaterial;\n\n\t\t} else {\n\n\t\t\tresult = ( light.isPointLight === true ) ? _distanceMaterial : _depthMaterial;\n\n\t\t}\n\n\t\tif ( ( _renderer.localClippingEnabled && material.clipShadows === true && material.clippingPlanes.length !== 0 ) ||\n\t\t\t( material.displacementMap && material.displacementScale !== 0 ) ||\n\t\t\t( material.alphaMap && material.alphaTest > 0 ) ) {\n\n\t\t\t// in this case we need a unique material instance reflecting the\n\t\t\t// appropriate state\n\n\t\t\tconst keyA = result.uuid, keyB = material.uuid;\n\n\t\t\tlet materialsForVariant = _materialCache[ keyA ];\n\n\t\t\tif ( materialsForVariant === undefined ) {\n\n\t\t\t\tmaterialsForVariant = {};\n\t\t\t\t_materialCache[ keyA ] = materialsForVariant;\n\n\t\t\t}\n\n\t\t\tlet cachedMaterial = materialsForVariant[ keyB ];\n\n\t\t\tif ( cachedMaterial === undefined ) {\n\n\t\t\t\tcachedMaterial = result.clone();\n\t\t\t\tmaterialsForVariant[ keyB ] = cachedMaterial;\n\n\t\t\t}\n\n\t\t\tresult = cachedMaterial;\n\n\t\t}\n\n\t\tresult.visible = material.visible;\n\t\tresult.wireframe = material.wireframe;\n\n\t\tif ( type === VSMShadowMap ) {\n\n\t\t\tresult.side = ( material.shadowSide !== null ) ? material.shadowSide : material.side;\n\n\t\t} else {\n\n\t\t\tresult.side = ( material.shadowSide !== null ) ? material.shadowSide : shadowSide[ material.side ];\n\n\t\t}\n\n\t\tresult.alphaMap = material.alphaMap;\n\t\tresult.alphaTest = material.alphaTest;\n\n\t\tresult.clipShadows = material.clipShadows;\n\t\tresult.clippingPlanes = material.clippingPlanes;\n\t\tresult.clipIntersection = material.clipIntersection;\n\n\t\tresult.displacementMap = material.displacementMap;\n\t\tresult.displacementScale = material.displacementScale;\n\t\tresult.displacementBias = material.displacementBias;\n\n\t\tresult.wireframeLinewidth = material.wireframeLinewidth;\n\t\tresult.linewidth = material.linewidth;\n\n\t\tif ( light.isPointLight === true && result.isMeshDistanceMaterial === true ) {\n\n\t\t\tresult.referencePosition.setFromMatrixPosition( light.matrixWorld );\n\t\t\tresult.nearDistance = shadowCameraNear;\n\t\t\tresult.farDistance = shadowCameraFar;\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n\tfunction renderObject( object, camera, shadowCamera, light, type ) {\n\n\t\tif ( object.visible === false ) return;\n\n\t\tconst visible = object.layers.test( camera.layers );\n\n\t\tif ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) {\n\n\t\t\tif ( ( object.castShadow || ( object.receiveShadow && type === VSMShadowMap ) ) && ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) ) {\n\n\t\t\t\tobject.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld );\n\n\t\t\t\tconst geometry = _objects.update( object );\n\t\t\t\tconst material = object.material;\n\n\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\tconst groups = geometry.groups;\n\n\t\t\t\t\tfor ( let k = 0, kl = groups.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\tconst group = groups[ k ];\n\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\tif ( groupMaterial && groupMaterial.visible ) {\n\n\t\t\t\t\t\t\tconst depthMaterial = getDepthMaterial( object, geometry, groupMaterial, light, shadowCamera.near, shadowCamera.far, type );\n\n\t\t\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( material.visible ) {\n\n\t\t\t\t\tconst depthMaterial = getDepthMaterial( object, geometry, material, light, shadowCamera.near, shadowCamera.far, type );\n\n\t\t\t\t\t_renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\trenderObject( children[ i ], camera, shadowCamera, light, type );\n\n\t\t}\n\n\t}\n\n}\n\nfunction WebGLState( gl, extensions, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tfunction ColorBuffer() {\n\n\t\tlet locked = false;\n\n\t\tconst color = new Vector4();\n\t\tlet currentColorMask = null;\n\t\tconst currentColorClear = new Vector4( 0, 0, 0, 0 );\n\n\t\treturn {\n\n\t\t\tsetMask: function ( colorMask ) {\n\n\t\t\t\tif ( currentColorMask !== colorMask && ! locked ) {\n\n\t\t\t\t\tgl.colorMask( colorMask, colorMask, colorMask, colorMask );\n\t\t\t\t\tcurrentColorMask = colorMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( r, g, b, a, premultipliedAlpha ) {\n\n\t\t\t\tif ( premultipliedAlpha === true ) {\n\n\t\t\t\t\tr *= a; g *= a; b *= a;\n\n\t\t\t\t}\n\n\t\t\t\tcolor.set( r, g, b, a );\n\n\t\t\t\tif ( currentColorClear.equals( color ) === false ) {\n\n\t\t\t\t\tgl.clearColor( r, g, b, a );\n\t\t\t\t\tcurrentColorClear.copy( color );\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentColorMask = null;\n\t\t\t\tcurrentColorClear.set( - 1, 0, 0, 0 ); // set to invalid state\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tfunction DepthBuffer() {\n\n\t\tlet locked = false;\n\n\t\tlet currentDepthMask = null;\n\t\tlet currentDepthFunc = null;\n\t\tlet currentDepthClear = null;\n\n\t\treturn {\n\n\t\t\tsetTest: function ( depthTest ) {\n\n\t\t\t\tif ( depthTest ) {\n\n\t\t\t\t\tenable( 2929 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tdisable( 2929 );\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetMask: function ( depthMask ) {\n\n\t\t\t\tif ( currentDepthMask !== depthMask && ! locked ) {\n\n\t\t\t\t\tgl.depthMask( depthMask );\n\t\t\t\t\tcurrentDepthMask = depthMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetFunc: function ( depthFunc ) {\n\n\t\t\t\tif ( currentDepthFunc !== depthFunc ) {\n\n\t\t\t\t\tif ( depthFunc ) {\n\n\t\t\t\t\t\tswitch ( depthFunc ) {\n\n\t\t\t\t\t\t\tcase NeverDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 512 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase AlwaysDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 519 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase LessDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 513 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase LessEqualDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 515 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase EqualDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 514 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase GreaterEqualDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 518 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase GreaterDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 516 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase NotEqualDepth:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 517 );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\t\tgl.depthFunc( 515 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tgl.depthFunc( 515 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcurrentDepthFunc = depthFunc;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( depth ) {\n\n\t\t\t\tif ( currentDepthClear !== depth ) {\n\n\t\t\t\t\tgl.clearDepth( depth );\n\t\t\t\t\tcurrentDepthClear = depth;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentDepthMask = null;\n\t\t\t\tcurrentDepthFunc = null;\n\t\t\t\tcurrentDepthClear = null;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tfunction StencilBuffer() {\n\n\t\tlet locked = false;\n\n\t\tlet currentStencilMask = null;\n\t\tlet currentStencilFunc = null;\n\t\tlet currentStencilRef = null;\n\t\tlet currentStencilFuncMask = null;\n\t\tlet currentStencilFail = null;\n\t\tlet currentStencilZFail = null;\n\t\tlet currentStencilZPass = null;\n\t\tlet currentStencilClear = null;\n\n\t\treturn {\n\n\t\t\tsetTest: function ( stencilTest ) {\n\n\t\t\t\tif ( ! locked ) {\n\n\t\t\t\t\tif ( stencilTest ) {\n\n\t\t\t\t\t\tenable( 2960 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( 2960 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetMask: function ( stencilMask ) {\n\n\t\t\t\tif ( currentStencilMask !== stencilMask && ! locked ) {\n\n\t\t\t\t\tgl.stencilMask( stencilMask );\n\t\t\t\t\tcurrentStencilMask = stencilMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetFunc: function ( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\t\tif ( currentStencilFunc !== stencilFunc ||\n\t\t\t\t currentStencilRef !== stencilRef ||\n\t\t\t\t currentStencilFuncMask !== stencilMask ) {\n\n\t\t\t\t\tgl.stencilFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t\t\t\tcurrentStencilFunc = stencilFunc;\n\t\t\t\t\tcurrentStencilRef = stencilRef;\n\t\t\t\t\tcurrentStencilFuncMask = stencilMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetOp: function ( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\t\tif ( currentStencilFail !== stencilFail ||\n\t\t\t\t currentStencilZFail !== stencilZFail ||\n\t\t\t\t currentStencilZPass !== stencilZPass ) {\n\n\t\t\t\t\tgl.stencilOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t\t\t\tcurrentStencilFail = stencilFail;\n\t\t\t\t\tcurrentStencilZFail = stencilZFail;\n\t\t\t\t\tcurrentStencilZPass = stencilZPass;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( stencil ) {\n\n\t\t\t\tif ( currentStencilClear !== stencil ) {\n\n\t\t\t\t\tgl.clearStencil( stencil );\n\t\t\t\t\tcurrentStencilClear = stencil;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentStencilMask = null;\n\t\t\t\tcurrentStencilFunc = null;\n\t\t\t\tcurrentStencilRef = null;\n\t\t\t\tcurrentStencilFuncMask = null;\n\t\t\t\tcurrentStencilFail = null;\n\t\t\t\tcurrentStencilZFail = null;\n\t\t\t\tcurrentStencilZPass = null;\n\t\t\t\tcurrentStencilClear = null;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t//\n\n\tconst colorBuffer = new ColorBuffer();\n\tconst depthBuffer = new DepthBuffer();\n\tconst stencilBuffer = new StencilBuffer();\n\n\tlet enabledCapabilities = {};\n\n\tlet currentBoundFramebuffers = {};\n\n\tlet currentProgram = null;\n\n\tlet currentBlendingEnabled = false;\n\tlet currentBlending = null;\n\tlet currentBlendEquation = null;\n\tlet currentBlendSrc = null;\n\tlet currentBlendDst = null;\n\tlet currentBlendEquationAlpha = null;\n\tlet currentBlendSrcAlpha = null;\n\tlet currentBlendDstAlpha = null;\n\tlet currentPremultipledAlpha = false;\n\n\tlet currentFlipSided = null;\n\tlet currentCullFace = null;\n\n\tlet currentLineWidth = null;\n\n\tlet currentPolygonOffsetFactor = null;\n\tlet currentPolygonOffsetUnits = null;\n\n\tconst maxTextures = gl.getParameter( 35661 );\n\n\tlet lineWidthAvailable = false;\n\tlet version = 0;\n\tconst glVersion = gl.getParameter( 7938 );\n\n\tif ( glVersion.indexOf( 'WebGL' ) !== - 1 ) {\n\n\t\tversion = parseFloat( /^WebGL (\\d)/.exec( glVersion )[ 1 ] );\n\t\tlineWidthAvailable = ( version >= 1.0 );\n\n\t} else if ( glVersion.indexOf( 'OpenGL ES' ) !== - 1 ) {\n\n\t\tversion = parseFloat( /^OpenGL ES (\\d)/.exec( glVersion )[ 1 ] );\n\t\tlineWidthAvailable = ( version >= 2.0 );\n\n\t}\n\n\tlet currentTextureSlot = null;\n\tlet currentBoundTextures = {};\n\n\tconst scissorParam = gl.getParameter( 3088 );\n\tconst viewportParam = gl.getParameter( 2978 );\n\n\tconst currentScissor = new Vector4().fromArray( scissorParam );\n\tconst currentViewport = new Vector4().fromArray( viewportParam );\n\n\tfunction createTexture( type, target, count ) {\n\n\t\tconst data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4.\n\t\tconst texture = gl.createTexture();\n\n\t\tgl.bindTexture( type, texture );\n\t\tgl.texParameteri( type, 10241, 9728 );\n\t\tgl.texParameteri( type, 10240, 9728 );\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tgl.texImage2D( target + i, 0, 6408, 1, 1, 0, 6408, 5121, data );\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tconst emptyTextures = {};\n\temptyTextures[ 3553 ] = createTexture( 3553, 3553, 1 );\n\temptyTextures[ 34067 ] = createTexture( 34067, 34069, 6 );\n\n\t// init\n\n\tcolorBuffer.setClear( 0, 0, 0, 1 );\n\tdepthBuffer.setClear( 1 );\n\tstencilBuffer.setClear( 0 );\n\n\tenable( 2929 );\n\tdepthBuffer.setFunc( LessEqualDepth );\n\n\tsetFlipSided( false );\n\tsetCullFace( CullFaceBack );\n\tenable( 2884 );\n\n\tsetBlending( NoBlending );\n\n\t//\n\n\tfunction enable( id ) {\n\n\t\tif ( enabledCapabilities[ id ] !== true ) {\n\n\t\t\tgl.enable( id );\n\t\t\tenabledCapabilities[ id ] = true;\n\n\t\t}\n\n\t}\n\n\tfunction disable( id ) {\n\n\t\tif ( enabledCapabilities[ id ] !== false ) {\n\n\t\t\tgl.disable( id );\n\t\t\tenabledCapabilities[ id ] = false;\n\n\t\t}\n\n\t}\n\n\tfunction bindFramebuffer( target, framebuffer ) {\n\n\t\tif ( currentBoundFramebuffers[ target ] !== framebuffer ) {\n\n\t\t\tgl.bindFramebuffer( target, framebuffer );\n\n\t\t\tcurrentBoundFramebuffers[ target ] = framebuffer;\n\n\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\t// 36009 is equivalent to 36160\n\n\t\t\t\tif ( target === 36009 ) {\n\n\t\t\t\t\tcurrentBoundFramebuffers[ 36160 ] = framebuffer;\n\n\t\t\t\t}\n\n\t\t\t\tif ( target === 36160 ) {\n\n\t\t\t\t\tcurrentBoundFramebuffers[ 36009 ] = framebuffer;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tfunction useProgram( program ) {\n\n\t\tif ( currentProgram !== program ) {\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tcurrentProgram = program;\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tconst equationToGL = {\n\t\t[ AddEquation ]: 32774,\n\t\t[ SubtractEquation ]: 32778,\n\t\t[ ReverseSubtractEquation ]: 32779\n\t};\n\n\tif ( isWebGL2 ) {\n\n\t\tequationToGL[ MinEquation ] = 32775;\n\t\tequationToGL[ MaxEquation ] = 32776;\n\n\t} else {\n\n\t\tconst extension = extensions.get( 'EXT_blend_minmax' );\n\n\t\tif ( extension !== null ) {\n\n\t\t\tequationToGL[ MinEquation ] = extension.MIN_EXT;\n\t\t\tequationToGL[ MaxEquation ] = extension.MAX_EXT;\n\n\t\t}\n\n\t}\n\n\tconst factorToGL = {\n\t\t[ ZeroFactor ]: 0,\n\t\t[ OneFactor ]: 1,\n\t\t[ SrcColorFactor ]: 768,\n\t\t[ SrcAlphaFactor ]: 770,\n\t\t[ SrcAlphaSaturateFactor ]: 776,\n\t\t[ DstColorFactor ]: 774,\n\t\t[ DstAlphaFactor ]: 772,\n\t\t[ OneMinusSrcColorFactor ]: 769,\n\t\t[ OneMinusSrcAlphaFactor ]: 771,\n\t\t[ OneMinusDstColorFactor ]: 775,\n\t\t[ OneMinusDstAlphaFactor ]: 773\n\t};\n\n\tfunction setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, premultipliedAlpha ) {\n\n\t\tif ( blending === NoBlending ) {\n\n\t\t\tif ( currentBlendingEnabled === true ) {\n\n\t\t\t\tdisable( 3042 );\n\t\t\t\tcurrentBlendingEnabled = false;\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( currentBlendingEnabled === false ) {\n\n\t\t\tenable( 3042 );\n\t\t\tcurrentBlendingEnabled = true;\n\n\t\t}\n\n\t\tif ( blending !== CustomBlending ) {\n\n\t\t\tif ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) {\n\n\t\t\t\tif ( currentBlendEquation !== AddEquation || currentBlendEquationAlpha !== AddEquation ) {\n\n\t\t\t\t\tgl.blendEquation( 32774 );\n\n\t\t\t\t\tcurrentBlendEquation = AddEquation;\n\t\t\t\t\tcurrentBlendEquationAlpha = AddEquation;\n\n\t\t\t\t}\n\n\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\tswitch ( blending ) {\n\n\t\t\t\t\t\tcase NormalBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( 1, 771, 1, 771 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase AdditiveBlending:\n\t\t\t\t\t\t\tgl.blendFunc( 1, 1 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase SubtractiveBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( 0, 0, 769, 771 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase MultiplyBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( 0, 768, 0, 770 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.error( 'THREE.WebGLState: Invalid blending: ', blending );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tswitch ( blending ) {\n\n\t\t\t\t\t\tcase NormalBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( 770, 771, 1, 771 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase AdditiveBlending:\n\t\t\t\t\t\t\tgl.blendFunc( 770, 1 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase SubtractiveBlending:\n\t\t\t\t\t\t\tgl.blendFunc( 0, 769 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase MultiplyBlending:\n\t\t\t\t\t\t\tgl.blendFunc( 0, 768 );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.error( 'THREE.WebGLState: Invalid blending: ', blending );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tcurrentBlendSrc = null;\n\t\t\t\tcurrentBlendDst = null;\n\t\t\t\tcurrentBlendSrcAlpha = null;\n\t\t\t\tcurrentBlendDstAlpha = null;\n\n\t\t\t\tcurrentBlending = blending;\n\t\t\t\tcurrentPremultipledAlpha = premultipliedAlpha;\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t// custom blending\n\n\t\tblendEquationAlpha = blendEquationAlpha || blendEquation;\n\t\tblendSrcAlpha = blendSrcAlpha || blendSrc;\n\t\tblendDstAlpha = blendDstAlpha || blendDst;\n\n\t\tif ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) {\n\n\t\t\tgl.blendEquationSeparate( equationToGL[ blendEquation ], equationToGL[ blendEquationAlpha ] );\n\n\t\t\tcurrentBlendEquation = blendEquation;\n\t\t\tcurrentBlendEquationAlpha = blendEquationAlpha;\n\n\t\t}\n\n\t\tif ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) {\n\n\t\t\tgl.blendFuncSeparate( factorToGL[ blendSrc ], factorToGL[ blendDst ], factorToGL[ blendSrcAlpha ], factorToGL[ blendDstAlpha ] );\n\n\t\t\tcurrentBlendSrc = blendSrc;\n\t\t\tcurrentBlendDst = blendDst;\n\t\t\tcurrentBlendSrcAlpha = blendSrcAlpha;\n\t\t\tcurrentBlendDstAlpha = blendDstAlpha;\n\n\t\t}\n\n\t\tcurrentBlending = blending;\n\t\tcurrentPremultipledAlpha = null;\n\n\t}\n\n\tfunction setMaterial( material, frontFaceCW ) {\n\n\t\tmaterial.side === DoubleSide\n\t\t\t? disable( 2884 )\n\t\t\t: enable( 2884 );\n\n\t\tlet flipSided = ( material.side === BackSide );\n\t\tif ( frontFaceCW ) flipSided = ! flipSided;\n\n\t\tsetFlipSided( flipSided );\n\n\t\t( material.blending === NormalBlending && material.transparent === false )\n\t\t\t? setBlending( NoBlending )\n\t\t\t: setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha );\n\n\t\tdepthBuffer.setFunc( material.depthFunc );\n\t\tdepthBuffer.setTest( material.depthTest );\n\t\tdepthBuffer.setMask( material.depthWrite );\n\t\tcolorBuffer.setMask( material.colorWrite );\n\n\t\tconst stencilWrite = material.stencilWrite;\n\t\tstencilBuffer.setTest( stencilWrite );\n\t\tif ( stencilWrite ) {\n\n\t\t\tstencilBuffer.setMask( material.stencilWriteMask );\n\t\t\tstencilBuffer.setFunc( material.stencilFunc, material.stencilRef, material.stencilFuncMask );\n\t\t\tstencilBuffer.setOp( material.stencilFail, material.stencilZFail, material.stencilZPass );\n\n\t\t}\n\n\t\tsetPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits );\n\n\t\tmaterial.alphaToCoverage === true\n\t\t\t? enable( 32926 )\n\t\t\t: disable( 32926 );\n\n\t}\n\n\t//\n\n\tfunction setFlipSided( flipSided ) {\n\n\t\tif ( currentFlipSided !== flipSided ) {\n\n\t\t\tif ( flipSided ) {\n\n\t\t\t\tgl.frontFace( 2304 );\n\n\t\t\t} else {\n\n\t\t\t\tgl.frontFace( 2305 );\n\n\t\t\t}\n\n\t\t\tcurrentFlipSided = flipSided;\n\n\t\t}\n\n\t}\n\n\tfunction setCullFace( cullFace ) {\n\n\t\tif ( cullFace !== CullFaceNone ) {\n\n\t\t\tenable( 2884 );\n\n\t\t\tif ( cullFace !== currentCullFace ) {\n\n\t\t\t\tif ( cullFace === CullFaceBack ) {\n\n\t\t\t\t\tgl.cullFace( 1029 );\n\n\t\t\t\t} else if ( cullFace === CullFaceFront ) {\n\n\t\t\t\t\tgl.cullFace( 1028 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.cullFace( 1032 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tdisable( 2884 );\n\n\t\t}\n\n\t\tcurrentCullFace = cullFace;\n\n\t}\n\n\tfunction setLineWidth( width ) {\n\n\t\tif ( width !== currentLineWidth ) {\n\n\t\t\tif ( lineWidthAvailable ) gl.lineWidth( width );\n\n\t\t\tcurrentLineWidth = width;\n\n\t\t}\n\n\t}\n\n\tfunction setPolygonOffset( polygonOffset, factor, units ) {\n\n\t\tif ( polygonOffset ) {\n\n\t\t\tenable( 32823 );\n\n\t\t\tif ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) {\n\n\t\t\t\tgl.polygonOffset( factor, units );\n\n\t\t\t\tcurrentPolygonOffsetFactor = factor;\n\t\t\t\tcurrentPolygonOffsetUnits = units;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tdisable( 32823 );\n\n\t\t}\n\n\t}\n\n\tfunction setScissorTest( scissorTest ) {\n\n\t\tif ( scissorTest ) {\n\n\t\t\tenable( 3089 );\n\n\t\t} else {\n\n\t\t\tdisable( 3089 );\n\n\t\t}\n\n\t}\n\n\t// texture\n\n\tfunction activeTexture( webglSlot ) {\n\n\t\tif ( webglSlot === undefined ) webglSlot = 33984 + maxTextures - 1;\n\n\t\tif ( currentTextureSlot !== webglSlot ) {\n\n\t\t\tgl.activeTexture( webglSlot );\n\t\t\tcurrentTextureSlot = webglSlot;\n\n\t\t}\n\n\t}\n\n\tfunction bindTexture( webglType, webglTexture ) {\n\n\t\tif ( currentTextureSlot === null ) {\n\n\t\t\tactiveTexture();\n\n\t\t}\n\n\t\tlet boundTexture = currentBoundTextures[ currentTextureSlot ];\n\n\t\tif ( boundTexture === undefined ) {\n\n\t\t\tboundTexture = { type: undefined, texture: undefined };\n\t\t\tcurrentBoundTextures[ currentTextureSlot ] = boundTexture;\n\n\t\t}\n\n\t\tif ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) {\n\n\t\t\tgl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] );\n\n\t\t\tboundTexture.type = webglType;\n\t\t\tboundTexture.texture = webglTexture;\n\n\t\t}\n\n\t}\n\n\tfunction unbindTexture() {\n\n\t\tconst boundTexture = currentBoundTextures[ currentTextureSlot ];\n\n\t\tif ( boundTexture !== undefined && boundTexture.type !== undefined ) {\n\n\t\t\tgl.bindTexture( boundTexture.type, null );\n\n\t\t\tboundTexture.type = undefined;\n\t\t\tboundTexture.texture = undefined;\n\n\t\t}\n\n\t}\n\n\tfunction compressedTexImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.compressedTexImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texSubImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texSubImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texStorage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texStorage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texImage3D() {\n\n\t\ttry {\n\n\t\t\tgl.texImage3D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction scissor( scissor ) {\n\n\t\tif ( currentScissor.equals( scissor ) === false ) {\n\n\t\t\tgl.scissor( scissor.x, scissor.y, scissor.z, scissor.w );\n\t\t\tcurrentScissor.copy( scissor );\n\n\t\t}\n\n\t}\n\n\tfunction viewport( viewport ) {\n\n\t\tif ( currentViewport.equals( viewport ) === false ) {\n\n\t\t\tgl.viewport( viewport.x, viewport.y, viewport.z, viewport.w );\n\t\t\tcurrentViewport.copy( viewport );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction reset() {\n\n\t\t// reset state\n\n\t\tgl.disable( 3042 );\n\t\tgl.disable( 2884 );\n\t\tgl.disable( 2929 );\n\t\tgl.disable( 32823 );\n\t\tgl.disable( 3089 );\n\t\tgl.disable( 2960 );\n\t\tgl.disable( 32926 );\n\n\t\tgl.blendEquation( 32774 );\n\t\tgl.blendFunc( 1, 0 );\n\t\tgl.blendFuncSeparate( 1, 0, 1, 0 );\n\n\t\tgl.colorMask( true, true, true, true );\n\t\tgl.clearColor( 0, 0, 0, 0 );\n\n\t\tgl.depthMask( true );\n\t\tgl.depthFunc( 513 );\n\t\tgl.clearDepth( 1 );\n\n\t\tgl.stencilMask( 0xffffffff );\n\t\tgl.stencilFunc( 519, 0, 0xffffffff );\n\t\tgl.stencilOp( 7680, 7680, 7680 );\n\t\tgl.clearStencil( 0 );\n\n\t\tgl.cullFace( 1029 );\n\t\tgl.frontFace( 2305 );\n\n\t\tgl.polygonOffset( 0, 0 );\n\n\t\tgl.activeTexture( 33984 );\n\n\t\tgl.bindFramebuffer( 36160, null );\n\n\t\tif ( isWebGL2 === true ) {\n\n\t\t\tgl.bindFramebuffer( 36009, null );\n\t\t\tgl.bindFramebuffer( 36008, null );\n\n\t\t}\n\n\t\tgl.useProgram( null );\n\n\t\tgl.lineWidth( 1 );\n\n\t\tgl.scissor( 0, 0, gl.canvas.width, gl.canvas.height );\n\t\tgl.viewport( 0, 0, gl.canvas.width, gl.canvas.height );\n\n\t\t// reset internals\n\n\t\tenabledCapabilities = {};\n\n\t\tcurrentTextureSlot = null;\n\t\tcurrentBoundTextures = {};\n\n\t\tcurrentBoundFramebuffers = {};\n\n\t\tcurrentProgram = null;\n\n\t\tcurrentBlendingEnabled = false;\n\t\tcurrentBlending = null;\n\t\tcurrentBlendEquation = null;\n\t\tcurrentBlendSrc = null;\n\t\tcurrentBlendDst = null;\n\t\tcurrentBlendEquationAlpha = null;\n\t\tcurrentBlendSrcAlpha = null;\n\t\tcurrentBlendDstAlpha = null;\n\t\tcurrentPremultipledAlpha = false;\n\n\t\tcurrentFlipSided = null;\n\t\tcurrentCullFace = null;\n\n\t\tcurrentLineWidth = null;\n\n\t\tcurrentPolygonOffsetFactor = null;\n\t\tcurrentPolygonOffsetUnits = null;\n\n\t\tcurrentScissor.set( 0, 0, gl.canvas.width, gl.canvas.height );\n\t\tcurrentViewport.set( 0, 0, gl.canvas.width, gl.canvas.height );\n\n\t\tcolorBuffer.reset();\n\t\tdepthBuffer.reset();\n\t\tstencilBuffer.reset();\n\n\t}\n\n\treturn {\n\n\t\tbuffers: {\n\t\t\tcolor: colorBuffer,\n\t\t\tdepth: depthBuffer,\n\t\t\tstencil: stencilBuffer\n\t\t},\n\n\t\tenable: enable,\n\t\tdisable: disable,\n\n\t\tbindFramebuffer: bindFramebuffer,\n\n\t\tuseProgram: useProgram,\n\n\t\tsetBlending: setBlending,\n\t\tsetMaterial: setMaterial,\n\n\t\tsetFlipSided: setFlipSided,\n\t\tsetCullFace: setCullFace,\n\n\t\tsetLineWidth: setLineWidth,\n\t\tsetPolygonOffset: setPolygonOffset,\n\n\t\tsetScissorTest: setScissorTest,\n\n\t\tactiveTexture: activeTexture,\n\t\tbindTexture: bindTexture,\n\t\tunbindTexture: unbindTexture,\n\t\tcompressedTexImage2D: compressedTexImage2D,\n\t\ttexImage2D: texImage2D,\n\t\ttexImage3D: texImage3D,\n\n\t\ttexStorage2D: texStorage2D,\n\t\ttexSubImage2D: texSubImage2D,\n\n\t\tscissor: scissor,\n\t\tviewport: viewport,\n\n\t\treset: reset\n\n\t};\n\n}\n\nfunction WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\tconst maxTextures = capabilities.maxTextures;\n\tconst maxCubemapSize = capabilities.maxCubemapSize;\n\tconst maxTextureSize = capabilities.maxTextureSize;\n\tconst maxSamples = capabilities.maxSamples;\n\tconst hasMultisampledRenderToTexture = extensions.has( 'WEBGL_multisampled_render_to_texture' );\n\tconst MultisampledRenderToTextureExtension = hasMultisampledRenderToTexture ? extensions.get( 'WEBGL_multisampled_render_to_texture' ) : undefined;\n\n\tconst _videoTextures = new WeakMap();\n\tlet _canvas;\n\n\t// cordova iOS (as of 5.0) still uses UIWebView, which provides OffscreenCanvas,\n\t// also OffscreenCanvas.getContext(\"webgl\"), but not OffscreenCanvas.getContext(\"2d\")!\n\t// Some implementations may only implement OffscreenCanvas partially (e.g. lacking 2d).\n\n\tlet useOffscreenCanvas = false;\n\n\ttry {\n\n\t\tuseOffscreenCanvas = typeof OffscreenCanvas !== 'undefined'\n\t\t\t&& ( new OffscreenCanvas( 1, 1 ).getContext( '2d' ) ) !== null;\n\n\t} catch ( err ) {\n\n\t\t// Ignore any errors\n\n\t}\n\n\tfunction createCanvas( width, height ) {\n\n\t\t// Use OffscreenCanvas when available. Specially needed in web workers\n\n\t\treturn useOffscreenCanvas ?\n\t\t\tnew OffscreenCanvas( width, height ) : createElementNS( 'canvas' );\n\n\t}\n\n\tfunction resizeImage( image, needsPowerOfTwo, needsNewCanvas, maxSize ) {\n\n\t\tlet scale = 1;\n\n\t\t// handle case if texture exceeds max size\n\n\t\tif ( image.width > maxSize || image.height > maxSize ) {\n\n\t\t\tscale = maxSize / Math.max( image.width, image.height );\n\n\t\t}\n\n\t\t// only perform resize if necessary\n\n\t\tif ( scale < 1 || needsPowerOfTwo === true ) {\n\n\t\t\t// only perform resize for certain image types\n\n\t\t\tif ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) ||\n\t\t\t\t( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) ||\n\t\t\t\t( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) {\n\n\t\t\t\tconst floor = needsPowerOfTwo ? floorPowerOfTwo : Math.floor;\n\n\t\t\t\tconst width = floor( scale * image.width );\n\t\t\t\tconst height = floor( scale * image.height );\n\n\t\t\t\tif ( _canvas === undefined ) _canvas = createCanvas( width, height );\n\n\t\t\t\t// cube textures can't reuse the same canvas\n\n\t\t\t\tconst canvas = needsNewCanvas ? createCanvas( width, height ) : _canvas;\n\n\t\t\t\tcanvas.width = width;\n\t\t\t\tcanvas.height = height;\n\n\t\t\t\tconst context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, width, height );\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture has been resized from (' + image.width + 'x' + image.height + ') to (' + width + 'x' + height + ').' );\n\n\t\t\t\treturn canvas;\n\n\t\t\t} else {\n\n\t\t\t\tif ( 'data' in image ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Image in DataTexture is too big (' + image.width + 'x' + image.height + ').' );\n\n\t\t\t\t}\n\n\t\t\t\treturn image;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn image;\n\n\t}\n\n\tfunction isPowerOfTwo$1( image ) {\n\n\t\treturn isPowerOfTwo( image.width ) && isPowerOfTwo( image.height );\n\n\t}\n\n\tfunction textureNeedsPowerOfTwo( texture ) {\n\n\t\tif ( isWebGL2 ) return false;\n\n\t\treturn ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) ||\n\t\t\t( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter );\n\n\t}\n\n\tfunction textureNeedsGenerateMipmaps( texture, supportsMips ) {\n\n\t\treturn texture.generateMipmaps && supportsMips &&\n\t\t\ttexture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter;\n\n\t}\n\n\tfunction generateMipmap( target ) {\n\n\t\t_gl.generateMipmap( target );\n\n\t}\n\n\tfunction getInternalFormat( internalFormatName, glFormat, glType/*, encoding*/ ) {\n\n\t\tif ( isWebGL2 === false ) return glFormat;\n\n\t\tif ( internalFormatName !== null ) {\n\n\t\t\tif ( _gl[ internalFormatName ] !== undefined ) return _gl[ internalFormatName ];\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format \\'' + internalFormatName + '\\'' );\n\n\t\t}\n\n\t\tlet internalFormat = glFormat;\n\n\t\tif ( glFormat === 6403 ) {\n\n\t\t\tif ( glType === 5126 ) internalFormat = 33326;\n\t\t\tif ( glType === 5131 ) internalFormat = 33325;\n\t\t\tif ( glType === 5121 ) internalFormat = 33321;\n\n\t\t}\n\n\t\tif ( glFormat === 6407 ) {\n\n\t\t\tif ( glType === 5126 ) internalFormat = 34837;\n\t\t\tif ( glType === 5131 ) internalFormat = 34843;\n\t\t\tif ( glType === 5121 ) internalFormat = 32849;\n\n\t\t}\n\n\t\tif ( glFormat === 6408 ) {\n\n\t\t\tif ( glType === 5126 ) internalFormat = 34836;\n\t\t\tif ( glType === 5131 ) internalFormat = 34842;\n\t\t\t//if ( glType === 5121 ) internalFormat = ( encoding === sRGBEncoding ) ? 35907 : 32856;\n\t\t\tif ( glType === 5121 ) internalFormat = 32856;\n\n\n\t\t}\n\n\t\tif ( internalFormat === 33325 || internalFormat === 33326 ||\n\t\t\tinternalFormat === 34842 || internalFormat === 34836 ) {\n\n\t\t\textensions.get( 'EXT_color_buffer_float' );\n\n\t\t}\n\n\t\treturn internalFormat;\n\n\t}\n\n\tfunction getMipLevels( texture, image, supportsMips ) {\n\n\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) === true ) {\n\n\t\t\t// generated mipmaps via gl.generateMipmap()\n\n\t\t\treturn Math.log2( Math.max( image.width, image.height ) ) + 1;\n\n\t\t} else if ( texture.mipmaps.length > 0 ) {\n\n\t\t\t// user-defined mipmaps\n\n\t\t\treturn texture.mipmaps.length;\n\n\t\t} else {\n\n\t\t\t// texture without mipmaps (only base level)\n\n\t\t\treturn 1;\n\n\t\t}\n\n\t}\n\n\t// Fallback filters for non-power-of-2 textures\n\n\tfunction filterFallback( f ) {\n\n\t\tif ( f === NearestFilter || f === NearestMipmapNearestFilter || f === NearestMipmapLinearFilter ) {\n\n\t\t\treturn 9728;\n\n\t\t}\n\n\t\treturn 9729;\n\n\t}\n\n\t//\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tdeallocateTexture( texture );\n\n\t\tif ( texture.isVideoTexture ) {\n\n\t\t\t_videoTextures.delete( texture );\n\n\t\t}\n\n\t\tinfo.memory.textures --;\n\n\t}\n\n\tfunction onRenderTargetDispose( event ) {\n\n\t\tconst renderTarget = event.target;\n\n\t\trenderTarget.removeEventListener( 'dispose', onRenderTargetDispose );\n\n\t\tdeallocateRenderTarget( renderTarget );\n\n\t}\n\n\t//\n\n\tfunction deallocateTexture( texture ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( textureProperties.__webglInit === undefined ) return;\n\n\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\tproperties.remove( texture );\n\n\t}\n\n\tfunction deallocateRenderTarget( renderTarget ) {\n\n\t\tconst texture = renderTarget.texture;\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( ! renderTarget ) return;\n\n\t\tif ( textureProperties.__webglTexture !== undefined ) {\n\n\t\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\t\tinfo.memory.textures --;\n\n\t\t}\n\n\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\trenderTarget.depthTexture.dispose();\n\n\t\t}\n\n\t\tif ( renderTarget.isWebGLCubeRenderTarget ) {\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer );\n\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer );\n\t\t\tif ( renderTargetProperties.__webglMultisampledFramebuffer ) _gl.deleteFramebuffer( renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\tif ( renderTargetProperties.__webglColorRenderbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglColorRenderbuffer );\n\t\t\tif ( renderTargetProperties.__webglDepthRenderbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthRenderbuffer );\n\n\t\t}\n\n\t\tif ( renderTarget.isWebGLMultipleRenderTargets ) {\n\n\t\t\tfor ( let i = 0, il = texture.length; i < il; i ++ ) {\n\n\t\t\t\tconst attachmentProperties = properties.get( texture[ i ] );\n\n\t\t\t\tif ( attachmentProperties.__webglTexture ) {\n\n\t\t\t\t\t_gl.deleteTexture( attachmentProperties.__webglTexture );\n\n\t\t\t\t\tinfo.memory.textures --;\n\n\t\t\t\t}\n\n\t\t\t\tproperties.remove( texture[ i ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tproperties.remove( texture );\n\t\tproperties.remove( renderTarget );\n\n\t}\n\n\t//\n\n\tlet textureUnits = 0;\n\n\tfunction resetTextureUnits() {\n\n\t\ttextureUnits = 0;\n\n\t}\n\n\tfunction allocateTextureUnit() {\n\n\t\tconst textureUnit = textureUnits;\n\n\t\tif ( textureUnit >= maxTextures ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLTextures: Trying to use ' + textureUnit + ' texture units while this GPU supports only ' + maxTextures );\n\n\t\t}\n\n\t\ttextureUnits += 1;\n\n\t\treturn textureUnit;\n\n\t}\n\n\t//\n\n\tfunction setTexture2D( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.isVideoTexture ) updateVideoTexture( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tconst image = texture.image;\n\n\t\t\tif ( image === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is undefined' );\n\n\t\t\t} else if ( image.complete === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete' );\n\n\t\t\t} else {\n\n\t\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 3553, textureProperties.__webglTexture );\n\n\t}\n\n\tfunction setTexture2DArray( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 35866, textureProperties.__webglTexture );\n\n\t}\n\n\tfunction setTexture3D( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 32879, textureProperties.__webglTexture );\n\n\t}\n\n\tfunction setTextureCube( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadCubeTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 34067, textureProperties.__webglTexture );\n\n\t}\n\n\tconst wrappingToGL = {\n\t\t[ RepeatWrapping ]: 10497,\n\t\t[ ClampToEdgeWrapping ]: 33071,\n\t\t[ MirroredRepeatWrapping ]: 33648\n\t};\n\n\tconst filterToGL = {\n\t\t[ NearestFilter ]: 9728,\n\t\t[ NearestMipmapNearestFilter ]: 9984,\n\t\t[ NearestMipmapLinearFilter ]: 9986,\n\n\t\t[ LinearFilter ]: 9729,\n\t\t[ LinearMipmapNearestFilter ]: 9985,\n\t\t[ LinearMipmapLinearFilter ]: 9987\n\t};\n\n\tfunction setTextureParameters( textureType, texture, supportsMips ) {\n\n\t\tif ( supportsMips ) {\n\n\t\t\t_gl.texParameteri( textureType, 10242, wrappingToGL[ texture.wrapS ] );\n\t\t\t_gl.texParameteri( textureType, 10243, wrappingToGL[ texture.wrapT ] );\n\n\t\t\tif ( textureType === 32879 || textureType === 35866 ) {\n\n\t\t\t\t_gl.texParameteri( textureType, 32882, wrappingToGL[ texture.wrapR ] );\n\n\t\t\t}\n\n\t\t\t_gl.texParameteri( textureType, 10240, filterToGL[ texture.magFilter ] );\n\t\t\t_gl.texParameteri( textureType, 10241, filterToGL[ texture.minFilter ] );\n\n\t\t} else {\n\n\t\t\t_gl.texParameteri( textureType, 10242, 33071 );\n\t\t\t_gl.texParameteri( textureType, 10243, 33071 );\n\n\t\t\tif ( textureType === 32879 || textureType === 35866 ) {\n\n\t\t\t\t_gl.texParameteri( textureType, 32882, 33071 );\n\n\t\t\t}\n\n\t\t\tif ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.' );\n\n\t\t\t}\n\n\t\t\t_gl.texParameteri( textureType, 10240, filterFallback( texture.magFilter ) );\n\t\t\t_gl.texParameteri( textureType, 10241, filterFallback( texture.minFilter ) );\n\n\t\t\tif ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.' );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( extensions.has( 'EXT_texture_filter_anisotropic' ) === true ) {\n\n\t\t\tconst extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tif ( texture.type === FloatType && extensions.has( 'OES_texture_float_linear' ) === false ) return; // verify extension for WebGL 1 and WebGL 2\n\t\t\tif ( isWebGL2 === false && ( texture.type === HalfFloatType && extensions.has( 'OES_texture_half_float_linear' ) === false ) ) return; // verify extension for WebGL 1 only\n\n\t\t\tif ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) {\n\n\t\t\t\t_gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) );\n\t\t\t\tproperties.get( texture ).__currentAnisotropy = texture.anisotropy;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction initTexture( textureProperties, texture ) {\n\n\t\tif ( textureProperties.__webglInit === undefined ) {\n\n\t\t\ttextureProperties.__webglInit = true;\n\n\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\tinfo.memory.textures ++;\n\n\t\t}\n\n\t}\n\n\tfunction uploadTexture( textureProperties, texture, slot ) {\n\n\t\tlet textureType = 3553;\n\n\t\tif ( texture.isDataTexture2DArray ) textureType = 35866;\n\t\tif ( texture.isDataTexture3D ) textureType = 32879;\n\n\t\tinitTexture( textureProperties, texture );\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( textureType, textureProperties.__webglTexture );\n\n\t\t_gl.pixelStorei( 37440, texture.flipY );\n\t\t_gl.pixelStorei( 37441, texture.premultiplyAlpha );\n\t\t_gl.pixelStorei( 3317, texture.unpackAlignment );\n\t\t_gl.pixelStorei( 37443, 0 );\n\n\t\tconst needsPowerOfTwo = textureNeedsPowerOfTwo( texture ) && isPowerOfTwo$1( texture.image ) === false;\n\t\tconst image = resizeImage( texture.image, needsPowerOfTwo, false, maxTextureSize );\n\n\t\tconst supportsMips = isPowerOfTwo$1( image ) || isWebGL2,\n\t\t\tglFormat = utils.convert( texture.format );\n\n\t\tlet glType = utils.convert( texture.type ),\n\t\t\tglInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding );\n\n\t\tsetTextureParameters( textureType, texture, supportsMips );\n\n\t\tlet mipmap;\n\t\tconst mipmaps = texture.mipmaps;\n\n\t\tif ( texture.isDepthTexture ) {\n\n\t\t\t// populate depth texture with dummy data\n\n\t\t\tglInternalFormat = 6402;\n\n\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\tif ( texture.type === FloatType ) {\n\n\t\t\t\t\tglInternalFormat = 36012;\n\n\t\t\t\t} else if ( texture.type === UnsignedIntType ) {\n\n\t\t\t\t\tglInternalFormat = 33190;\n\n\t\t\t\t} else if ( texture.type === UnsignedInt248Type ) {\n\n\t\t\t\t\tglInternalFormat = 35056;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tglInternalFormat = 33189; // WebGL2 requires sized internalformat for glTexImage2D\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( texture.type === FloatType ) {\n\n\t\t\t\t\tconsole.error( 'WebGLRenderer: Floating point depth texture requires WebGL2.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// validation checks for WebGL 1\n\n\t\t\tif ( texture.format === DepthFormat && glInternalFormat === 6402 ) {\n\n\t\t\t\t// The error INVALID_OPERATION is generated by texImage2D if format and internalformat are\n\t\t\t\t// DEPTH_COMPONENT and type is not UNSIGNED_SHORT or UNSIGNED_INT\n\t\t\t\t// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)\n\t\t\t\tif ( texture.type !== UnsignedShortType && texture.type !== UnsignedIntType ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Use UnsignedShortType or UnsignedIntType for DepthFormat DepthTexture.' );\n\n\t\t\t\t\ttexture.type = UnsignedShortType;\n\t\t\t\t\tglType = utils.convert( texture.type );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( texture.format === DepthStencilFormat && glInternalFormat === 6402 ) {\n\n\t\t\t\t// Depth stencil textures need the DEPTH_STENCIL internal format\n\t\t\t\t// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)\n\t\t\t\tglInternalFormat = 34041;\n\n\t\t\t\t// The error INVALID_OPERATION is generated by texImage2D if format and internalformat are\n\t\t\t\t// DEPTH_STENCIL and type is not UNSIGNED_INT_24_8_WEBGL.\n\t\t\t\t// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)\n\t\t\t\tif ( texture.type !== UnsignedInt248Type ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Use UnsignedInt248Type for DepthStencilFormat DepthTexture.' );\n\n\t\t\t\t\ttexture.type = UnsignedInt248Type;\n\t\t\t\t\tglType = utils.convert( texture.type );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tstate.texImage2D( 3553, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, null );\n\n\t\t} else if ( texture.isDataTexture ) {\n\n\t\t\t// use manually created mipmaps if available\n\t\t\t// if there are no manual mipmaps\n\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\tif ( mipmaps.length > 0 && supportsMips ) {\n\n\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\tmipmap = mipmaps[ i ];\n\t\t\t\t\tstate.texImage2D( 3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t}\n\n\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t} else {\n\n\t\t\t\tstate.texImage2D( 3553, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, image.data );\n\n\t\t\t}\n\n\t\t} else if ( texture.isCompressedTexture ) {\n\n\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\tif ( glFormat !== null ) {\n\n\t\t\t\t\t\tstate.compressedTexImage2D( 3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()' );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( 3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else if ( texture.isDataTexture2DArray ) {\n\n\t\t\tstate.texImage3D( 35866, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data );\n\n\t\t} else if ( texture.isDataTexture3D ) {\n\n\t\t\tstate.texImage3D( 32879, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data );\n\n\t\t} else {\n\n\t\t\t// regular Texture (image, video, canvas)\n\n\t\t\t// use manually created mipmaps if available\n\t\t\t// if there are no manual mipmaps\n\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\tconst levels = getMipLevels( texture, image, supportsMips );\n\t\t\tconst useTexStorage = ( isWebGL2 && texture.isVideoTexture !== true );\n\t\t\tconst allocateMemory = ( textureProperties.__version === undefined );\n\n\t\t\tif ( mipmaps.length > 0 && supportsMips ) {\n\n\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\tstate.texStorage2D( 3553, levels, glInternalFormat, mipmaps[ 0 ].width, mipmaps[ 0 ].height );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\tstate.texSubImage2D( 3553, i, 0, 0, glFormat, glType, mipmap );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( 3553, i, glInternalFormat, glFormat, glType, mipmap );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t} else {\n\n\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage2D( 3553, levels, glInternalFormat, image.width, image.height );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tstate.texSubImage2D( 3553, 0, 0, 0, glFormat, glType, image );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( 3553, 0, glInternalFormat, glFormat, glType, image );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\tgenerateMipmap( textureType );\n\n\t\t}\n\n\t\ttextureProperties.__version = texture.version;\n\n\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t}\n\n\tfunction uploadCubeTexture( textureProperties, texture, slot ) {\n\n\t\tif ( texture.image.length !== 6 ) return;\n\n\t\tinitTexture( textureProperties, texture );\n\n\t\tstate.activeTexture( 33984 + slot );\n\t\tstate.bindTexture( 34067, textureProperties.__webglTexture );\n\n\t\t_gl.pixelStorei( 37440, texture.flipY );\n\t\t_gl.pixelStorei( 37441, texture.premultiplyAlpha );\n\t\t_gl.pixelStorei( 3317, texture.unpackAlignment );\n\t\t_gl.pixelStorei( 37443, 0 );\n\n\t\tconst isCompressed = ( texture && ( texture.isCompressedTexture || texture.image[ 0 ].isCompressedTexture ) );\n\t\tconst isDataTexture = ( texture.image[ 0 ] && texture.image[ 0 ].isDataTexture );\n\n\t\tconst cubeImage = [];\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tif ( ! isCompressed && ! isDataTexture ) {\n\n\t\t\t\tcubeImage[ i ] = resizeImage( texture.image[ i ], false, true, maxCubemapSize );\n\n\t\t\t} else {\n\n\t\t\t\tcubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ];\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst image = cubeImage[ 0 ],\n\t\t\tsupportsMips = isPowerOfTwo$1( image ) || isWebGL2,\n\t\t\tglFormat = utils.convert( texture.format ),\n\t\t\tglType = utils.convert( texture.type ),\n\t\t\tglInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding );\n\n\t\tsetTextureParameters( 34067, texture, supportsMips );\n\n\t\tlet mipmaps;\n\n\t\tif ( isCompressed ) {\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tmipmaps = cubeImage[ i ].mipmaps;\n\n\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\n\t\t\t\t\tif ( texture.format !== RGBAFormat && texture.format !== RGBFormat ) {\n\n\t\t\t\t\t\tif ( glFormat !== null ) {\n\n\t\t\t\t\t\t\tstate.compressedTexImage2D( 34069 + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()' );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( 34069 + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tmipmaps = texture.mipmaps;\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( isDataTexture ) {\n\n\t\t\t\t\tstate.texImage2D( 34069 + i, 0, glInternalFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data );\n\n\t\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\t\t\t\t\t\tconst mipmapImage = mipmap.image[ i ].image;\n\n\t\t\t\t\t\tstate.texImage2D( 34069 + i, j + 1, glInternalFormat, mipmapImage.width, mipmapImage.height, 0, glFormat, glType, mipmapImage.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage2D( 34069 + i, 0, glInternalFormat, glFormat, glType, cubeImage[ i ] );\n\n\t\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\n\t\t\t\t\t\tstate.texImage2D( 34069 + i, j + 1, glInternalFormat, glFormat, glType, mipmap.image[ i ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\t// We assume images for cube map have the same size.\n\t\t\tgenerateMipmap( 34067 );\n\n\t\t}\n\n\t\ttextureProperties.__version = texture.version;\n\n\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t}\n\n\t// Render targets\n\n\t// Setup storage for target texture and bind it to correct framebuffer\n\tfunction setupFrameBufferTexture( framebuffer, renderTarget, texture, attachment, textureTarget ) {\n\n\t\tconst glFormat = utils.convert( texture.format );\n\t\tconst glType = utils.convert( texture.type );\n\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding );\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\tif ( ! renderTargetProperties.__hasExternalTextures ) {\n\n\t\t\tif ( textureTarget === 32879 || textureTarget === 35866 ) {\n\n\t\t\t\tstate.texImage3D( textureTarget, 0, glInternalFormat, renderTarget.width, renderTarget.height, renderTarget.depth, 0, glFormat, glType, null );\n\n\t\t\t} else {\n\n\t\t\t\tstate.texImage2D( textureTarget, 0, glInternalFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null );\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.bindFramebuffer( 36160, framebuffer );\n\t\tif ( renderTarget.useRenderToTexture ) {\n\n\t\t\tMultisampledRenderToTextureExtension.framebufferTexture2DMultisampleEXT( 36160, attachment, textureTarget, properties.get( texture ).__webglTexture, 0, getRenderTargetSamples( renderTarget ) );\n\n\t\t} else {\n\n\t\t\t_gl.framebufferTexture2D( 36160, attachment, textureTarget, properties.get( texture ).__webglTexture, 0 );\n\n\t\t}\n\n\t\tstate.bindFramebuffer( 36160, null );\n\n\t}\n\n\n\t// Setup storage for internal depth/stencil buffers and bind to correct framebuffer\n\tfunction setupRenderBufferStorage( renderbuffer, renderTarget, isMultisample ) {\n\n\t\t_gl.bindRenderbuffer( 36161, renderbuffer );\n\n\t\tif ( renderTarget.depthBuffer && ! renderTarget.stencilBuffer ) {\n\n\t\t\tlet glInternalFormat = 33189;\n\n\t\t\tif ( isMultisample || renderTarget.useRenderToTexture ) {\n\n\t\t\t\tconst depthTexture = renderTarget.depthTexture;\n\n\t\t\t\tif ( depthTexture && depthTexture.isDepthTexture ) {\n\n\t\t\t\t\tif ( depthTexture.type === FloatType ) {\n\n\t\t\t\t\t\tglInternalFormat = 36012;\n\n\t\t\t\t\t} else if ( depthTexture.type === UnsignedIntType ) {\n\n\t\t\t\t\t\tglInternalFormat = 33190;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\t\t\tif ( renderTarget.useRenderToTexture ) {\n\n\t\t\t\t\tMultisampledRenderToTextureExtension.renderbufferStorageMultisampleEXT( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_gl.renderbufferStorageMultisample( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t_gl.renderbufferStorage( 36161, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\t\t\t_gl.framebufferRenderbuffer( 36160, 36096, 36161, renderbuffer );\n\n\t\t} else if ( renderTarget.depthBuffer && renderTarget.stencilBuffer ) {\n\n\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\t\tif ( isMultisample && renderTarget.useRenderbuffer ) {\n\n\t\t\t\t_gl.renderbufferStorageMultisample( 36161, samples, 35056, renderTarget.width, renderTarget.height );\n\n\t\t\t} else if ( renderTarget.useRenderToTexture ) {\n\n\t\t\t\tMultisampledRenderToTextureExtension.renderbufferStorageMultisampleEXT( 36161, samples, 35056, renderTarget.width, renderTarget.height );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.renderbufferStorage( 36161, 34041, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\n\t\t\t_gl.framebufferRenderbuffer( 36160, 33306, 36161, renderbuffer );\n\n\t\t} else {\n\n\t\t\t// Use the first texture for MRT so far\n\t\t\tconst texture = renderTarget.isWebGLMultipleRenderTargets === true ? renderTarget.texture[ 0 ] : renderTarget.texture;\n\n\t\t\tconst glFormat = utils.convert( texture.format );\n\t\t\tconst glType = utils.convert( texture.type );\n\t\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding );\n\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\t\tif ( isMultisample && renderTarget.useRenderbuffer ) {\n\n\t\t\t\t_gl.renderbufferStorageMultisample( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t} else if ( renderTarget.useRenderToTexture ) {\n\n\t\t\t\tMultisampledRenderToTextureExtension.renderbufferStorageMultisampleEXT( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.renderbufferStorage( 36161, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\t\t}\n\n\t\t_gl.bindRenderbuffer( 36161, null );\n\n\t}\n\n\t// Setup resources for a Depth Texture for a FBO (needs an extension)\n\tfunction setupDepthTexture( framebuffer, renderTarget ) {\n\n\t\tconst isCube = ( renderTarget && renderTarget.isWebGLCubeRenderTarget );\n\t\tif ( isCube ) throw new Error( 'Depth Texture with cube render targets is not supported' );\n\n\t\tstate.bindFramebuffer( 36160, framebuffer );\n\n\t\tif ( ! ( renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture ) ) {\n\n\t\t\tthrow new Error( 'renderTarget.depthTexture must be an instance of THREE.DepthTexture' );\n\n\t\t}\n\n\t\t// upload an empty depth texture with framebuffer size\n\t\tif ( ! properties.get( renderTarget.depthTexture ).__webglTexture ||\n\t\t\t\trenderTarget.depthTexture.image.width !== renderTarget.width ||\n\t\t\t\trenderTarget.depthTexture.image.height !== renderTarget.height ) {\n\n\t\t\trenderTarget.depthTexture.image.width = renderTarget.width;\n\t\t\trenderTarget.depthTexture.image.height = renderTarget.height;\n\t\t\trenderTarget.depthTexture.needsUpdate = true;\n\n\t\t}\n\n\t\tsetTexture2D( renderTarget.depthTexture, 0 );\n\n\t\tconst webglDepthTexture = properties.get( renderTarget.depthTexture ).__webglTexture;\n\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\tif ( renderTarget.depthTexture.format === DepthFormat ) {\n\n\t\t\tif ( renderTarget.useRenderToTexture ) {\n\n\t\t\t\tMultisampledRenderToTextureExtension.framebufferTexture2DMultisampleEXT( 36160, 36096, 3553, webglDepthTexture, 0, samples );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.framebufferTexture2D( 36160, 36096, 3553, webglDepthTexture, 0 );\n\n\t\t\t}\n\n\t\t} else if ( renderTarget.depthTexture.format === DepthStencilFormat ) {\n\n\t\t\tif ( renderTarget.useRenderToTexture ) {\n\n\t\t\t\tMultisampledRenderToTextureExtension.framebufferTexture2DMultisampleEXT( 36160, 33306, 3553, webglDepthTexture, 0, samples );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.framebufferTexture2D( 36160, 33306, 3553, webglDepthTexture, 0 );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'Unknown depthTexture format' );\n\n\t\t}\n\n\t}\n\n\t// Setup GL resources for a non-texture depth buffer\n\tfunction setupDepthRenderbuffer( renderTarget ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst isCube = ( renderTarget.isWebGLCubeRenderTarget === true );\n\n\t\tif ( renderTarget.depthTexture && ! renderTargetProperties.__autoAllocateDepthBuffer ) {\n\n\t\t\tif ( isCube ) throw new Error( 'target.depthTexture not supported in Cube render targets' );\n\n\t\t\tsetupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget );\n\n\t\t} else {\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\trenderTargetProperties.__webglDepthbuffer = [];\n\n\t\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tstate.bindFramebuffer( 36160, renderTargetProperties.__webglFramebuffer[ i ] );\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer();\n\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget, false );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tstate.bindFramebuffer( 36160, renderTargetProperties.__webglFramebuffer );\n\t\t\t\trenderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer();\n\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget, false );\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.bindFramebuffer( 36160, null );\n\n\t}\n\n\t// rebind framebuffer with external textures\n\tfunction rebindTextures( renderTarget, colorTexture, depthTexture ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\tif ( colorTexture !== undefined ) {\n\n\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, renderTarget.texture, 36064, 3553 );\n\n\t\t}\n\n\t\tif ( depthTexture !== undefined ) {\n\n\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t}\n\n\t}\n\n\t// Set up GL resources for the render target\n\tfunction setupRenderTarget( renderTarget ) {\n\n\t\tconst texture = renderTarget.texture;\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst textureProperties = properties.get( texture );\n\n\t\trenderTarget.addEventListener( 'dispose', onRenderTargetDispose );\n\n\t\tif ( renderTarget.isWebGLMultipleRenderTargets !== true ) {\n\n\t\t\tif ( textureProperties.__webglTexture === undefined ) {\n\n\t\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t}\n\n\t\t\ttextureProperties.__version = texture.version;\n\t\t\tinfo.memory.textures ++;\n\n\t\t}\n\n\t\tconst isCube = ( renderTarget.isWebGLCubeRenderTarget === true );\n\t\tconst isMultipleRenderTargets = ( renderTarget.isWebGLMultipleRenderTargets === true );\n\t\tconst isRenderTarget3D = texture.isDataTexture3D || texture.isDataTexture2DArray;\n\t\tconst supportsMips = isPowerOfTwo$1( renderTarget ) || isWebGL2;\n\n\t\t// Handles WebGL2 RGBFormat fallback - #18858\n\n\t\tif ( isWebGL2 && texture.format === RGBFormat && ( texture.type === FloatType || texture.type === HalfFloatType ) ) {\n\n\t\t\ttexture.format = RGBAFormat;\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Rendering to textures with RGB format is not supported. Using RGBA format instead.' );\n\n\t\t}\n\n\t\t// Setup framebuffer\n\n\t\tif ( isCube ) {\n\n\t\t\trenderTargetProperties.__webglFramebuffer = [];\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer();\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\trenderTargetProperties.__webglFramebuffer = _gl.createFramebuffer();\n\n\t\t\tif ( isMultipleRenderTargets ) {\n\n\t\t\t\tif ( capabilities.drawBuffers ) {\n\n\t\t\t\t\tconst textures = renderTarget.texture;\n\n\t\t\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst attachmentProperties = properties.get( textures[ i ] );\n\n\t\t\t\t\t\tif ( attachmentProperties.__webglTexture === undefined ) {\n\n\t\t\t\t\t\t\tattachmentProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t\t\t\t\tinfo.memory.textures ++;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: WebGLMultipleRenderTargets can only be used with WebGL2 or WEBGL_draw_buffers extension.' );\n\n\t\t\t\t}\n\n\t\t\t} else if ( renderTarget.useRenderbuffer ) {\n\n\t\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\t\trenderTargetProperties.__webglMultisampledFramebuffer = _gl.createFramebuffer();\n\t\t\t\t\trenderTargetProperties.__webglColorRenderbuffer = _gl.createRenderbuffer();\n\n\t\t\t\t\t_gl.bindRenderbuffer( 36161, renderTargetProperties.__webglColorRenderbuffer );\n\n\t\t\t\t\tconst glFormat = utils.convert( texture.format );\n\t\t\t\t\tconst glType = utils.convert( texture.type );\n\t\t\t\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding );\n\t\t\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\t\t\t\t\t_gl.renderbufferStorageMultisample( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t\tstate.bindFramebuffer( 36160, renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\t\t\t_gl.framebufferRenderbuffer( 36160, 36064, 36161, renderTargetProperties.__webglColorRenderbuffer );\n\t\t\t\t\t_gl.bindRenderbuffer( 36161, null );\n\n\t\t\t\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t\t\t\trenderTargetProperties.__webglDepthRenderbuffer = _gl.createRenderbuffer();\n\t\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthRenderbuffer, renderTarget, true );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tstate.bindFramebuffer( 36160, null );\n\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Setup color buffer\n\n\t\tif ( isCube ) {\n\n\t\t\tstate.bindTexture( 34067, textureProperties.__webglTexture );\n\t\t\tsetTextureParameters( 34067, texture, supportsMips );\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, texture, 36064, 34069 + i );\n\n\t\t\t}\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\t\tgenerateMipmap( 34067 );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t} else if ( isMultipleRenderTargets ) {\n\n\t\t\tconst textures = renderTarget.texture;\n\n\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\tconst attachment = textures[ i ];\n\t\t\t\tconst attachmentProperties = properties.get( attachment );\n\n\t\t\t\tstate.bindTexture( 3553, attachmentProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( 3553, attachment, supportsMips );\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, attachment, 36064 + i, 3553 );\n\n\t\t\t\tif ( textureNeedsGenerateMipmaps( attachment, supportsMips ) ) {\n\n\t\t\t\t\tgenerateMipmap( 3553 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t} else {\n\n\t\t\tlet glTextureType = 3553;\n\n\t\t\tif ( isRenderTarget3D ) {\n\n\t\t\t\t// Render targets containing layers, i.e: Texture 3D and 2d arrays\n\n\t\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\t\tconst isTexture3D = texture.isDataTexture3D;\n\t\t\t\t\tglTextureType = isTexture3D ? 32879 : 35866;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.DataTexture3D and THREE.DataTexture2DArray only supported with WebGL2.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.bindTexture( glTextureType, textureProperties.__webglTexture );\n\t\t\tsetTextureParameters( glTextureType, texture, supportsMips );\n\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, texture, 36064, glTextureType );\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\t\tgenerateMipmap( glTextureType );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t}\n\n\t\t// Setup depth and stencil buffers\n\n\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t}\n\n\t}\n\n\tfunction updateRenderTargetMipmap( renderTarget ) {\n\n\t\tconst supportsMips = isPowerOfTwo$1( renderTarget ) || isWebGL2;\n\n\t\tconst textures = renderTarget.isWebGLMultipleRenderTargets === true ? renderTarget.texture : [ renderTarget.texture ];\n\n\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\tconst texture = textures[ i ];\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) {\n\n\t\t\t\tconst target = renderTarget.isWebGLCubeRenderTarget ? 34067 : 3553;\n\t\t\t\tconst webglTexture = properties.get( texture ).__webglTexture;\n\n\t\t\t\tstate.bindTexture( target, webglTexture );\n\t\t\t\tgenerateMipmap( target );\n\t\t\t\tstate.unbindTexture();\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction updateMultisampleRenderTarget( renderTarget ) {\n\n\t\tif ( renderTarget.useRenderbuffer ) {\n\n\t\t\tif ( isWebGL2 ) {\n\n\t\t\t\tconst width = renderTarget.width;\n\t\t\t\tconst height = renderTarget.height;\n\t\t\t\tlet mask = 16384;\n\t\t\t\tconst invalidationArray = [ 36064 ];\n\t\t\t\tconst depthStyle = renderTarget.stencilBuffer ? 33306 : 36096;\n\n\t\t\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t\t\tinvalidationArray.push( depthStyle );\n\n\t\t\t\t}\n\n\t\t\t\tif ( ! renderTarget.ignoreDepthForMultisampleCopy ) {\n\n\t\t\t\t\tif ( renderTarget.depthBuffer ) mask |= 256;\n\t\t\t\t\tif ( renderTarget.stencilBuffer ) mask |= 1024;\n\n\t\t\t\t}\n\n\t\t\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\t\t\tstate.bindFramebuffer( 36008, renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\t\tstate.bindFramebuffer( 36009, renderTargetProperties.__webglFramebuffer );\n\n\t\t\t\tif ( renderTarget.ignoreDepthForMultisampleCopy ) {\n\n\t\t\t\t\t_gl.invalidateFramebuffer( 36008, [ depthStyle ] );\n\t\t\t\t\t_gl.invalidateFramebuffer( 36009, [ depthStyle ] );\n\n\t\t\t\t}\n\n\t\t\t\t_gl.blitFramebuffer( 0, 0, width, height, 0, 0, width, height, mask, 9728 );\n\t\t\t\t_gl.invalidateFramebuffer( 36008, invalidationArray );\n\n\t\t\t\tstate.bindFramebuffer( 36008, null );\n\t\t\t\tstate.bindFramebuffer( 36009, renderTargetProperties.__webglMultisampledFramebuffer );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2.' );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction getRenderTargetSamples( renderTarget ) {\n\n\t\treturn ( isWebGL2 && ( renderTarget.useRenderbuffer || renderTarget.useRenderToTexture ) ) ?\n\t\t\tMath.min( maxSamples, renderTarget.samples ) : 0;\n\n\t}\n\n\tfunction updateVideoTexture( texture ) {\n\n\t\tconst frame = info.render.frame;\n\n\t\t// Check the last frame we updated the VideoTexture\n\n\t\tif ( _videoTextures.get( texture ) !== frame ) {\n\n\t\t\t_videoTextures.set( texture, frame );\n\t\t\ttexture.update();\n\n\t\t}\n\n\t}\n\n\t// backwards compatibility\n\n\tlet warnedTexture2D = false;\n\tlet warnedTextureCube = false;\n\n\tfunction safeSetTexture2D( texture, slot ) {\n\n\t\tif ( texture && texture.isWebGLRenderTarget ) {\n\n\t\t\tif ( warnedTexture2D === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLTextures.safeSetTexture2D: don\\'t use render targets as textures. Use their .texture property instead.' );\n\t\t\t\twarnedTexture2D = true;\n\n\t\t\t}\n\n\t\t\ttexture = texture.texture;\n\n\t\t}\n\n\t\tsetTexture2D( texture, slot );\n\n\t}\n\n\tfunction safeSetTextureCube( texture, slot ) {\n\n\t\tif ( texture && texture.isWebGLCubeRenderTarget ) {\n\n\t\t\tif ( warnedTextureCube === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLTextures.safeSetTextureCube: don\\'t use cube render targets as textures. Use their .texture property instead.' );\n\t\t\t\twarnedTextureCube = true;\n\n\t\t\t}\n\n\t\t\ttexture = texture.texture;\n\n\t\t}\n\n\n\t\tsetTextureCube( texture, slot );\n\n\t}\n\n\t//\n\n\tthis.allocateTextureUnit = allocateTextureUnit;\n\tthis.resetTextureUnits = resetTextureUnits;\n\n\tthis.setTexture2D = setTexture2D;\n\tthis.setTexture2DArray = setTexture2DArray;\n\tthis.setTexture3D = setTexture3D;\n\tthis.setTextureCube = setTextureCube;\n\tthis.rebindTextures = rebindTextures;\n\tthis.setupRenderTarget = setupRenderTarget;\n\tthis.updateRenderTargetMipmap = updateRenderTargetMipmap;\n\tthis.updateMultisampleRenderTarget = updateMultisampleRenderTarget;\n\tthis.setupDepthRenderbuffer = setupDepthRenderbuffer;\n\tthis.setupFrameBufferTexture = setupFrameBufferTexture;\n\n\tthis.safeSetTexture2D = safeSetTexture2D;\n\tthis.safeSetTextureCube = safeSetTextureCube;\n\n}\n\nfunction WebGLUtils( gl, extensions, capabilities ) {\n\n\tconst isWebGL2 = capabilities.isWebGL2;\n\n\tfunction convert( p ) {\n\n\t\tlet extension;\n\n\t\tif ( p === UnsignedByteType ) return 5121;\n\t\tif ( p === UnsignedShort4444Type ) return 32819;\n\t\tif ( p === UnsignedShort5551Type ) return 32820;\n\t\tif ( p === UnsignedShort565Type ) return 33635;\n\n\t\tif ( p === ByteType ) return 5120;\n\t\tif ( p === ShortType ) return 5122;\n\t\tif ( p === UnsignedShortType ) return 5123;\n\t\tif ( p === IntType ) return 5124;\n\t\tif ( p === UnsignedIntType ) return 5125;\n\t\tif ( p === FloatType ) return 5126;\n\n\t\tif ( p === HalfFloatType ) {\n\n\t\t\tif ( isWebGL2 ) return 5131;\n\n\t\t\textension = extensions.get( 'OES_texture_half_float' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\treturn extension.HALF_FLOAT_OES;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === AlphaFormat ) return 6406;\n\t\tif ( p === RGBFormat ) return 6407;\n\t\tif ( p === RGBAFormat ) return 6408;\n\t\tif ( p === LuminanceFormat ) return 6409;\n\t\tif ( p === LuminanceAlphaFormat ) return 6410;\n\t\tif ( p === DepthFormat ) return 6402;\n\t\tif ( p === DepthStencilFormat ) return 34041;\n\t\tif ( p === RedFormat ) return 6403;\n\n\t\t// WebGL2 formats.\n\n\t\tif ( p === RedIntegerFormat ) return 36244;\n\t\tif ( p === RGFormat ) return 33319;\n\t\tif ( p === RGIntegerFormat ) return 33320;\n\t\tif ( p === RGBIntegerFormat ) return 36248;\n\t\tif ( p === RGBAIntegerFormat ) return 36249;\n\n\t\tif ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format ||\n\t\t\tp === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT;\n\t\t\t\tif ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT;\n\t\t\t\tif ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT;\n\t\t\t\tif ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format ||\n\t\t\tp === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;\n\t\t\t\tif ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;\n\t\t\t\tif ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;\n\t\t\t\tif ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === RGB_ETC1_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_etc1' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\treturn extension.COMPRESSED_RGB_ETC1_WEBGL;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === RGB_ETC2_Format || p === RGBA_ETC2_EAC_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_etc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGB_ETC2_Format ) return extension.COMPRESSED_RGB8_ETC2;\n\t\t\t\tif ( p === RGBA_ETC2_EAC_Format ) return extension.COMPRESSED_RGBA8_ETC2_EAC;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === RGBA_ASTC_4x4_Format || p === RGBA_ASTC_5x4_Format || p === RGBA_ASTC_5x5_Format ||\n\t\t\tp === RGBA_ASTC_6x5_Format || p === RGBA_ASTC_6x6_Format || p === RGBA_ASTC_8x5_Format ||\n\t\t\tp === RGBA_ASTC_8x6_Format || p === RGBA_ASTC_8x8_Format || p === RGBA_ASTC_10x5_Format ||\n\t\t\tp === RGBA_ASTC_10x6_Format || p === RGBA_ASTC_10x8_Format || p === RGBA_ASTC_10x10_Format ||\n\t\t\tp === RGBA_ASTC_12x10_Format || p === RGBA_ASTC_12x12_Format ||\n\t\t\tp === SRGB8_ALPHA8_ASTC_4x4_Format || p === SRGB8_ALPHA8_ASTC_5x4_Format || p === SRGB8_ALPHA8_ASTC_5x5_Format ||\n\t\t\tp === SRGB8_ALPHA8_ASTC_6x5_Format || p === SRGB8_ALPHA8_ASTC_6x6_Format || p === SRGB8_ALPHA8_ASTC_8x5_Format ||\n\t\t\tp === SRGB8_ALPHA8_ASTC_8x6_Format || p === SRGB8_ALPHA8_ASTC_8x8_Format || p === SRGB8_ALPHA8_ASTC_10x5_Format ||\n\t\t\tp === SRGB8_ALPHA8_ASTC_10x6_Format || p === SRGB8_ALPHA8_ASTC_10x8_Format || p === SRGB8_ALPHA8_ASTC_10x10_Format ||\n\t\t\tp === SRGB8_ALPHA8_ASTC_12x10_Format || p === SRGB8_ALPHA8_ASTC_12x12_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_astc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\t// TODO Complete?\n\n\t\t\t\treturn p;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === RGBA_BPTC_Format ) {\n\n\t\t\textension = extensions.get( 'EXT_texture_compression_bptc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\t// TODO Complete?\n\n\t\t\t\treturn p;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( p === UnsignedInt248Type ) {\n\n\t\t\tif ( isWebGL2 ) return 34042;\n\n\t\t\textension = extensions.get( 'WEBGL_depth_texture' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\treturn extension.UNSIGNED_INT_24_8_WEBGL;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn { convert: convert };\n\n}\n\nclass ArrayCamera extends PerspectiveCamera {\n\n\tconstructor( array = [] ) {\n\n\t\tsuper();\n\n\t\tthis.cameras = array;\n\n\t}\n\n}\n\nArrayCamera.prototype.isArrayCamera = true;\n\nclass Group extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'Group';\n\n\t}\n\n}\n\nGroup.prototype.isGroup = true;\n\nconst _moveEvent = { type: 'move' };\n\nclass WebXRController {\n\n\tconstructor() {\n\n\t\tthis._targetRay = null;\n\t\tthis._grip = null;\n\t\tthis._hand = null;\n\n\t}\n\n\tgetHandSpace() {\n\n\t\tif ( this._hand === null ) {\n\n\t\t\tthis._hand = new Group();\n\t\t\tthis._hand.matrixAutoUpdate = false;\n\t\t\tthis._hand.visible = false;\n\n\t\t\tthis._hand.joints = {};\n\t\t\tthis._hand.inputState = { pinching: false };\n\n\t\t}\n\n\t\treturn this._hand;\n\n\t}\n\n\tgetTargetRaySpace() {\n\n\t\tif ( this._targetRay === null ) {\n\n\t\t\tthis._targetRay = new Group();\n\t\t\tthis._targetRay.matrixAutoUpdate = false;\n\t\t\tthis._targetRay.visible = false;\n\t\t\tthis._targetRay.hasLinearVelocity = false;\n\t\t\tthis._targetRay.linearVelocity = new Vector3();\n\t\t\tthis._targetRay.hasAngularVelocity = false;\n\t\t\tthis._targetRay.angularVelocity = new Vector3();\n\n\t\t}\n\n\t\treturn this._targetRay;\n\n\t}\n\n\tgetGripSpace() {\n\n\t\tif ( this._grip === null ) {\n\n\t\t\tthis._grip = new Group();\n\t\t\tthis._grip.matrixAutoUpdate = false;\n\t\t\tthis._grip.visible = false;\n\t\t\tthis._grip.hasLinearVelocity = false;\n\t\t\tthis._grip.linearVelocity = new Vector3();\n\t\t\tthis._grip.hasAngularVelocity = false;\n\t\t\tthis._grip.angularVelocity = new Vector3();\n\n\t\t}\n\n\t\treturn this._grip;\n\n\t}\n\n\tdispatchEvent( event ) {\n\n\t\tif ( this._targetRay !== null ) {\n\n\t\t\tthis._targetRay.dispatchEvent( event );\n\n\t\t}\n\n\t\tif ( this._grip !== null ) {\n\n\t\t\tthis._grip.dispatchEvent( event );\n\n\t\t}\n\n\t\tif ( this._hand !== null ) {\n\n\t\t\tthis._hand.dispatchEvent( event );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tdisconnect( inputSource ) {\n\n\t\tthis.dispatchEvent( { type: 'disconnected', data: inputSource } );\n\n\t\tif ( this._targetRay !== null ) {\n\n\t\t\tthis._targetRay.visible = false;\n\n\t\t}\n\n\t\tif ( this._grip !== null ) {\n\n\t\t\tthis._grip.visible = false;\n\n\t\t}\n\n\t\tif ( this._hand !== null ) {\n\n\t\t\tthis._hand.visible = false;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tupdate( inputSource, frame, referenceSpace ) {\n\n\t\tlet inputPose = null;\n\t\tlet gripPose = null;\n\t\tlet handPose = null;\n\n\t\tconst targetRay = this._targetRay;\n\t\tconst grip = this._grip;\n\t\tconst hand = this._hand;\n\n\t\tif ( inputSource && frame.session.visibilityState !== 'visible-blurred' ) {\n\n\t\t\tif ( targetRay !== null ) {\n\n\t\t\t\tinputPose = frame.getPose( inputSource.targetRaySpace, referenceSpace );\n\n\t\t\t\tif ( inputPose !== null ) {\n\n\t\t\t\t\ttargetRay.matrix.fromArray( inputPose.transform.matrix );\n\t\t\t\t\ttargetRay.matrix.decompose( targetRay.position, targetRay.rotation, targetRay.scale );\n\n\t\t\t\t\tif ( inputPose.linearVelocity ) {\n\n\t\t\t\t\t\ttargetRay.hasLinearVelocity = true;\n\t\t\t\t\t\ttargetRay.linearVelocity.copy( inputPose.linearVelocity );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttargetRay.hasLinearVelocity = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( inputPose.angularVelocity ) {\n\n\t\t\t\t\t\ttargetRay.hasAngularVelocity = true;\n\t\t\t\t\t\ttargetRay.angularVelocity.copy( inputPose.angularVelocity );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttargetRay.hasAngularVelocity = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.dispatchEvent( _moveEvent );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( hand && inputSource.hand ) {\n\n\t\t\t\thandPose = true;\n\n\t\t\t\tfor ( const inputjoint of inputSource.hand.values() ) {\n\n\t\t\t\t\t// Update the joints groups with the XRJoint poses\n\t\t\t\t\tconst jointPose = frame.getJointPose( inputjoint, referenceSpace );\n\n\t\t\t\t\tif ( hand.joints[ inputjoint.jointName ] === undefined ) {\n\n\t\t\t\t\t\t// The transform of this joint will be updated with the joint pose on each frame\n\t\t\t\t\t\tconst joint = new Group();\n\t\t\t\t\t\tjoint.matrixAutoUpdate = false;\n\t\t\t\t\t\tjoint.visible = false;\n\t\t\t\t\t\thand.joints[ inputjoint.jointName ] = joint;\n\t\t\t\t\t\t// ??\n\t\t\t\t\t\thand.add( joint );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst joint = hand.joints[ inputjoint.jointName ];\n\n\t\t\t\t\tif ( jointPose !== null ) {\n\n\t\t\t\t\t\tjoint.matrix.fromArray( jointPose.transform.matrix );\n\t\t\t\t\t\tjoint.matrix.decompose( joint.position, joint.rotation, joint.scale );\n\t\t\t\t\t\tjoint.jointRadius = jointPose.radius;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tjoint.visible = jointPose !== null;\n\n\t\t\t\t}\n\n\t\t\t\t// Custom events\n\n\t\t\t\t// Check pinchz\n\t\t\t\tconst indexTip = hand.joints[ 'index-finger-tip' ];\n\t\t\t\tconst thumbTip = hand.joints[ 'thumb-tip' ];\n\t\t\t\tconst distance = indexTip.position.distanceTo( thumbTip.position );\n\n\t\t\t\tconst distanceToPinch = 0.02;\n\t\t\t\tconst threshold = 0.005;\n\n\t\t\t\tif ( hand.inputState.pinching && distance > distanceToPinch + threshold ) {\n\n\t\t\t\t\thand.inputState.pinching = false;\n\t\t\t\t\tthis.dispatchEvent( {\n\t\t\t\t\t\ttype: 'pinchend',\n\t\t\t\t\t\thandedness: inputSource.handedness,\n\t\t\t\t\t\ttarget: this\n\t\t\t\t\t} );\n\n\t\t\t\t} else if ( ! hand.inputState.pinching && distance <= distanceToPinch - threshold ) {\n\n\t\t\t\t\thand.inputState.pinching = true;\n\t\t\t\t\tthis.dispatchEvent( {\n\t\t\t\t\t\ttype: 'pinchstart',\n\t\t\t\t\t\thandedness: inputSource.handedness,\n\t\t\t\t\t\ttarget: this\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( grip !== null && inputSource.gripSpace ) {\n\n\t\t\t\t\tgripPose = frame.getPose( inputSource.gripSpace, referenceSpace );\n\n\t\t\t\t\tif ( gripPose !== null ) {\n\n\t\t\t\t\t\tgrip.matrix.fromArray( gripPose.transform.matrix );\n\t\t\t\t\t\tgrip.matrix.decompose( grip.position, grip.rotation, grip.scale );\n\n\t\t\t\t\t\tif ( gripPose.linearVelocity ) {\n\n\t\t\t\t\t\t\tgrip.hasLinearVelocity = true;\n\t\t\t\t\t\t\tgrip.linearVelocity.copy( gripPose.linearVelocity );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgrip.hasLinearVelocity = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( gripPose.angularVelocity ) {\n\n\t\t\t\t\t\t\tgrip.hasAngularVelocity = true;\n\t\t\t\t\t\t\tgrip.angularVelocity.copy( gripPose.angularVelocity );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgrip.hasAngularVelocity = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( targetRay !== null ) {\n\n\t\t\ttargetRay.visible = ( inputPose !== null );\n\n\t\t}\n\n\t\tif ( grip !== null ) {\n\n\t\t\tgrip.visible = ( gripPose !== null );\n\n\t\t}\n\n\t\tif ( hand !== null ) {\n\n\t\t\thand.visible = ( handPose !== null );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass DepthTexture extends Texture {\n\n\tconstructor( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format ) {\n\n\t\tformat = format !== undefined ? format : DepthFormat;\n\n\t\tif ( format !== DepthFormat && format !== DepthStencilFormat ) {\n\n\t\t\tthrow new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' );\n\n\t\t}\n\n\t\tif ( type === undefined && format === DepthFormat ) type = UnsignedShortType;\n\t\tif ( type === undefined && format === DepthStencilFormat ) type = UnsignedInt248Type;\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.image = { width: width, height: height };\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : NearestFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : NearestFilter;\n\n\t\tthis.flipY = false;\n\t\tthis.generateMipmaps\t= false;\n\n\t}\n\n\n}\n\nDepthTexture.prototype.isDepthTexture = true;\n\nclass WebXRManager extends EventDispatcher {\n\n\tconstructor( renderer, gl ) {\n\n\t\tsuper();\n\n\t\tconst scope = this;\n\n\t\tlet session = null;\n\t\tlet framebufferScaleFactor = 1.0;\n\n\t\tlet referenceSpace = null;\n\t\tlet referenceSpaceType = 'local-floor';\n\t\tconst hasMultisampledRenderToTexture = renderer.extensions.has( 'WEBGL_multisampled_render_to_texture' );\n\n\t\tlet pose = null;\n\t\tlet glBinding = null;\n\t\tlet glProjLayer = null;\n\t\tlet glBaseLayer = null;\n\t\tlet isMultisample = false;\n\t\tlet xrFrame = null;\n\t\tconst attributes = gl.getContextAttributes();\n\t\tlet initialRenderTarget = null;\n\t\tlet newRenderTarget = null;\n\n\t\tconst controllers = [];\n\t\tconst inputSourcesMap = new Map();\n\n\t\t//\n\n\t\tconst cameraL = new PerspectiveCamera();\n\t\tcameraL.layers.enable( 1 );\n\t\tcameraL.viewport = new Vector4();\n\n\t\tconst cameraR = new PerspectiveCamera();\n\t\tcameraR.layers.enable( 2 );\n\t\tcameraR.viewport = new Vector4();\n\n\t\tconst cameras = [ cameraL, cameraR ];\n\n\t\tconst cameraVR = new ArrayCamera();\n\t\tcameraVR.layers.enable( 1 );\n\t\tcameraVR.layers.enable( 2 );\n\n\t\tlet _currentDepthNear = null;\n\t\tlet _currentDepthFar = null;\n\n\t\t//\n\n\t\tthis.cameraAutoUpdate = true;\n\t\tthis.enabled = false;\n\n\t\tthis.isPresenting = false;\n\n\t\tthis.getController = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getTargetRaySpace();\n\n\t\t};\n\n\t\tthis.getControllerGrip = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getGripSpace();\n\n\t\t};\n\n\t\tthis.getHand = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getHandSpace();\n\n\t\t};\n\n\t\t//\n\n\t\tfunction onSessionEvent( event ) {\n\n\t\t\tconst controller = inputSourcesMap.get( event.inputSource );\n\n\t\t\tif ( controller ) {\n\n\t\t\t\tcontroller.dispatchEvent( { type: event.type, data: event.inputSource } );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onSessionEnd() {\n\n\t\t\tinputSourcesMap.forEach( function ( controller, inputSource ) {\n\n\t\t\t\tcontroller.disconnect( inputSource );\n\n\t\t\t} );\n\n\t\t\tinputSourcesMap.clear();\n\n\t\t\t_currentDepthNear = null;\n\t\t\t_currentDepthFar = null;\n\n\t\t\t// restore framebuffer/rendering state\n\n\t\t\trenderer.setRenderTarget( initialRenderTarget );\n\n\t\t\tglBaseLayer = null;\n\t\t\tglProjLayer = null;\n\t\t\tglBinding = null;\n\t\t\tsession = null;\n\t\t\tnewRenderTarget = null;\n\n\t\t\t//\n\n\t\t\tanimation.stop();\n\n\t\t\tscope.isPresenting = false;\n\n\t\t\tscope.dispatchEvent( { type: 'sessionend' } );\n\n\t\t}\n\n\t\tthis.setFramebufferScaleFactor = function ( value ) {\n\n\t\t\tframebufferScaleFactor = value;\n\n\t\t\tif ( scope.isPresenting === true ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebXRManager: Cannot change framebuffer scale while presenting.' );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.setReferenceSpaceType = function ( value ) {\n\n\t\t\treferenceSpaceType = value;\n\n\t\t\tif ( scope.isPresenting === true ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebXRManager: Cannot change reference space type while presenting.' );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getReferenceSpace = function () {\n\n\t\t\treturn referenceSpace;\n\n\t\t};\n\n\t\tthis.getBaseLayer = function () {\n\n\t\t\treturn glProjLayer !== null ? glProjLayer : glBaseLayer;\n\n\t\t};\n\n\t\tthis.getBinding = function () {\n\n\t\t\treturn glBinding;\n\n\t\t};\n\n\t\tthis.getFrame = function () {\n\n\t\t\treturn xrFrame;\n\n\t\t};\n\n\t\tthis.getSession = function () {\n\n\t\t\treturn session;\n\n\t\t};\n\n\t\tthis.setSession = async function ( value ) {\n\n\t\t\tsession = value;\n\n\t\t\tif ( session !== null ) {\n\n\t\t\t\tinitialRenderTarget = renderer.getRenderTarget();\n\n\t\t\t\tsession.addEventListener( 'select', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'selectstart', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'selectend', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeeze', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeezestart', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeezeend', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'end', onSessionEnd );\n\t\t\t\tsession.addEventListener( 'inputsourceschange', onInputSourcesChange );\n\n\t\t\t\tif ( attributes.xrCompatible !== true ) {\n\n\t\t\t\t\tawait gl.makeXRCompatible();\n\n\t\t\t\t}\n\n\t\t\t\tif ( ( session.renderState.layers === undefined ) || ( renderer.capabilities.isWebGL2 === false ) ) {\n\n\t\t\t\t\tconst layerInit = {\n\t\t\t\t\t\tantialias: ( session.renderState.layers === undefined ) ? attributes.antialias : true,\n\t\t\t\t\t\talpha: attributes.alpha,\n\t\t\t\t\t\tdepth: attributes.depth,\n\t\t\t\t\t\tstencil: attributes.stencil,\n\t\t\t\t\t\tframebufferScaleFactor: framebufferScaleFactor\n\t\t\t\t\t};\n\n\t\t\t\t\tglBaseLayer = new XRWebGLLayer( session, gl, layerInit );\n\n\t\t\t\t\tsession.updateRenderState( { baseLayer: glBaseLayer } );\n\n\t\t\t\t\tnewRenderTarget = new WebGLRenderTarget(\n\t\t\t\t\t\tglBaseLayer.framebufferWidth,\n\t\t\t\t\t\tglBaseLayer.framebufferHeight\n\t\t\t\t\t);\n\n\t\t\t\t} else {\n\n\t\t\t\t\tisMultisample = attributes.antialias;\n\t\t\t\t\tlet depthFormat = null;\n\t\t\t\t\tlet depthType = null;\n\t\t\t\t\tlet glDepthFormat = null;\n\n\t\t\t\t\tif ( attributes.depth ) {\n\n\t\t\t\t\t\tglDepthFormat = attributes.stencil ? 35056 : 33189;\n\t\t\t\t\t\tdepthFormat = attributes.stencil ? DepthStencilFormat : DepthFormat;\n\t\t\t\t\t\tdepthType = attributes.stencil ? UnsignedInt248Type : UnsignedShortType;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst projectionlayerInit = {\n\t\t\t\t\t\tcolorFormat: ( attributes.alpha || isMultisample ) ? 32856 : 32849,\n\t\t\t\t\t\tdepthFormat: glDepthFormat,\n\t\t\t\t\t\tscaleFactor: framebufferScaleFactor\n\t\t\t\t\t};\n\n\t\t\t\t\tglBinding = new XRWebGLBinding( session, gl );\n\n\t\t\t\t\tglProjLayer = glBinding.createProjectionLayer( projectionlayerInit );\n\n\t\t\t\t\tsession.updateRenderState( { layers: [ glProjLayer ] } );\n\n\t\t\t\t\tif ( isMultisample ) {\n\n\t\t\t\t\t\tnewRenderTarget = new WebGLMultisampleRenderTarget(\n\t\t\t\t\t\t\tglProjLayer.textureWidth,\n\t\t\t\t\t\t\tglProjLayer.textureHeight,\n\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\tformat: RGBAFormat,\n\t\t\t\t\t\t\t\ttype: UnsignedByteType,\n\t\t\t\t\t\t\t\tdepthTexture: new DepthTexture( glProjLayer.textureWidth, glProjLayer.textureHeight, depthType, undefined, undefined, undefined, undefined, undefined, undefined, depthFormat ),\n\t\t\t\t\t\t\t\tstencilBuffer: attributes.stencil,\n\t\t\t\t\t\t\t\tignoreDepth: glProjLayer.ignoreDepthValues,\n\t\t\t\t\t\t\t\tuseRenderToTexture: hasMultisampledRenderToTexture,\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tnewRenderTarget = new WebGLRenderTarget(\n\t\t\t\t\t\t\tglProjLayer.textureWidth,\n\t\t\t\t\t\t\tglProjLayer.textureHeight,\n\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\tformat: attributes.alpha ? RGBAFormat : RGBFormat,\n\t\t\t\t\t\t\t\ttype: UnsignedByteType,\n\t\t\t\t\t\t\t\tdepthTexture: new DepthTexture( glProjLayer.textureWidth, glProjLayer.textureHeight, depthType, undefined, undefined, undefined, undefined, undefined, undefined, depthFormat ),\n\t\t\t\t\t\t\t\tstencilBuffer: attributes.stencil,\n\t\t\t\t\t\t\t\tignoreDepth: glProjLayer.ignoreDepthValues,\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// Set foveation to maximum.\n\t\t\t\tthis.setFoveation( 0 );\n\n\t\t\t\treferenceSpace = await session.requestReferenceSpace( referenceSpaceType );\n\n\t\t\t\tanimation.setContext( session );\n\t\t\t\tanimation.start();\n\n\t\t\t\tscope.isPresenting = true;\n\n\t\t\t\tscope.dispatchEvent( { type: 'sessionstart' } );\n\n\t\t\t}\n\n\t\t};\n\n\t\tfunction onInputSourcesChange( event ) {\n\n\t\t\tconst inputSources = session.inputSources;\n\n\t\t\t// Assign inputSources to available controllers\n\n\t\t\tfor ( let i = 0; i < controllers.length; i ++ ) {\n\n\t\t\t\tinputSourcesMap.set( inputSources[ i ], controllers[ i ] );\n\n\t\t\t}\n\n\t\t\t// Notify disconnected\n\n\t\t\tfor ( let i = 0; i < event.removed.length; i ++ ) {\n\n\t\t\t\tconst inputSource = event.removed[ i ];\n\t\t\t\tconst controller = inputSourcesMap.get( inputSource );\n\n\t\t\t\tif ( controller ) {\n\n\t\t\t\t\tcontroller.dispatchEvent( { type: 'disconnected', data: inputSource } );\n\t\t\t\t\tinputSourcesMap.delete( inputSource );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Notify connected\n\n\t\t\tfor ( let i = 0; i < event.added.length; i ++ ) {\n\n\t\t\t\tconst inputSource = event.added[ i ];\n\t\t\t\tconst controller = inputSourcesMap.get( inputSource );\n\n\t\t\t\tif ( controller ) {\n\n\t\t\t\t\tcontroller.dispatchEvent( { type: 'connected', data: inputSource } );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tconst cameraLPos = new Vector3();\n\t\tconst cameraRPos = new Vector3();\n\n\t\t/**\n\t\t * Assumes 2 cameras that are parallel and share an X-axis, and that\n\t\t * the cameras' projection and world matrices have already been set.\n\t\t * And that near and far planes are identical for both cameras.\n\t\t * Visualization of this technique: https://computergraphics.stackexchange.com/a/4765\n\t\t */\n\t\tfunction setProjectionFromUnion( camera, cameraL, cameraR ) {\n\n\t\t\tcameraLPos.setFromMatrixPosition( cameraL.matrixWorld );\n\t\t\tcameraRPos.setFromMatrixPosition( cameraR.matrixWorld );\n\n\t\t\tconst ipd = cameraLPos.distanceTo( cameraRPos );\n\n\t\t\tconst projL = cameraL.projectionMatrix.elements;\n\t\t\tconst projR = cameraR.projectionMatrix.elements;\n\n\t\t\t// VR systems will have identical far and near planes, and\n\t\t\t// most likely identical top and bottom frustum extents.\n\t\t\t// Use the left camera for these values.\n\t\t\tconst near = projL[ 14 ] / ( projL[ 10 ] - 1 );\n\t\t\tconst far = projL[ 14 ] / ( projL[ 10 ] + 1 );\n\t\t\tconst topFov = ( projL[ 9 ] + 1 ) / projL[ 5 ];\n\t\t\tconst bottomFov = ( projL[ 9 ] - 1 ) / projL[ 5 ];\n\n\t\t\tconst leftFov = ( projL[ 8 ] - 1 ) / projL[ 0 ];\n\t\t\tconst rightFov = ( projR[ 8 ] + 1 ) / projR[ 0 ];\n\t\t\tconst left = near * leftFov;\n\t\t\tconst right = near * rightFov;\n\n\t\t\t// Calculate the new camera's position offset from the\n\t\t\t// left camera. xOffset should be roughly half `ipd`.\n\t\t\tconst zOffset = ipd / ( - leftFov + rightFov );\n\t\t\tconst xOffset = zOffset * - leftFov;\n\n\t\t\t// TODO: Better way to apply this offset?\n\t\t\tcameraL.matrixWorld.decompose( camera.position, camera.quaternion, camera.scale );\n\t\t\tcamera.translateX( xOffset );\n\t\t\tcamera.translateZ( zOffset );\n\t\t\tcamera.matrixWorld.compose( camera.position, camera.quaternion, camera.scale );\n\t\t\tcamera.matrixWorldInverse.copy( camera.matrixWorld ).invert();\n\n\t\t\t// Find the union of the frustum values of the cameras and scale\n\t\t\t// the values so that the near plane's position does not change in world space,\n\t\t\t// although must now be relative to the new union camera.\n\t\t\tconst near2 = near + zOffset;\n\t\t\tconst far2 = far + zOffset;\n\t\t\tconst left2 = left - xOffset;\n\t\t\tconst right2 = right + ( ipd - xOffset );\n\t\t\tconst top2 = topFov * far / far2 * near2;\n\t\t\tconst bottom2 = bottomFov * far / far2 * near2;\n\n\t\t\tcamera.projectionMatrix.makePerspective( left2, right2, top2, bottom2, near2, far2 );\n\n\t\t}\n\n\t\tfunction updateCamera( camera, parent ) {\n\n\t\t\tif ( parent === null ) {\n\n\t\t\t\tcamera.matrixWorld.copy( camera.matrix );\n\n\t\t\t} else {\n\n\t\t\t\tcamera.matrixWorld.multiplyMatrices( parent.matrixWorld, camera.matrix );\n\n\t\t\t}\n\n\t\t\tcamera.matrixWorldInverse.copy( camera.matrixWorld ).invert();\n\n\t\t}\n\n\t\tthis.updateCamera = function ( camera ) {\n\n\t\t\tif ( session === null ) return;\n\n\t\t\tcameraVR.near = cameraR.near = cameraL.near = camera.near;\n\t\t\tcameraVR.far = cameraR.far = cameraL.far = camera.far;\n\n\t\t\tif ( _currentDepthNear !== cameraVR.near || _currentDepthFar !== cameraVR.far ) {\n\n\t\t\t\t// Note that the new renderState won't apply until the next frame. See #18320\n\n\t\t\t\tsession.updateRenderState( {\n\t\t\t\t\tdepthNear: cameraVR.near,\n\t\t\t\t\tdepthFar: cameraVR.far\n\t\t\t\t} );\n\n\t\t\t\t_currentDepthNear = cameraVR.near;\n\t\t\t\t_currentDepthFar = cameraVR.far;\n\n\t\t\t}\n\n\t\t\tconst parent = camera.parent;\n\t\t\tconst cameras = cameraVR.cameras;\n\n\t\t\tupdateCamera( cameraVR, parent );\n\n\t\t\tfor ( let i = 0; i < cameras.length; i ++ ) {\n\n\t\t\t\tupdateCamera( cameras[ i ], parent );\n\n\t\t\t}\n\n\t\t\tcameraVR.matrixWorld.decompose( cameraVR.position, cameraVR.quaternion, cameraVR.scale );\n\n\t\t\t// update user camera and its children\n\n\t\t\tcamera.position.copy( cameraVR.position );\n\t\t\tcamera.quaternion.copy( cameraVR.quaternion );\n\t\t\tcamera.scale.copy( cameraVR.scale );\n\t\t\tcamera.matrix.copy( cameraVR.matrix );\n\t\t\tcamera.matrixWorld.copy( cameraVR.matrixWorld );\n\n\t\t\tconst children = camera.children;\n\n\t\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tchildren[ i ].updateMatrixWorld( true );\n\n\t\t\t}\n\n\t\t\t// update projection matrix for proper view frustum culling\n\n\t\t\tif ( cameras.length === 2 ) {\n\n\t\t\t\tsetProjectionFromUnion( cameraVR, cameraL, cameraR );\n\n\t\t\t} else {\n\n\t\t\t\t// assume single camera setup (AR)\n\n\t\t\t\tcameraVR.projectionMatrix.copy( cameraL.projectionMatrix );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getCamera = function () {\n\n\t\t\treturn cameraVR;\n\n\t\t};\n\n\t\tthis.getFoveation = function () {\n\n\t\t\tif ( glProjLayer !== null ) {\n\n\t\t\t\treturn glProjLayer.fixedFoveation;\n\n\t\t\t}\n\n\t\t\tif ( glBaseLayer !== null ) {\n\n\t\t\t\treturn glBaseLayer.fixedFoveation;\n\n\t\t\t}\n\n\t\t\treturn undefined;\n\n\t\t};\n\n\t\tthis.setFoveation = function ( foveation ) {\n\n\t\t\t// 0 = no foveation = full resolution\n\t\t\t// 1 = maximum foveation = the edges render at lower resolution\n\n\t\t\tif ( glProjLayer !== null ) {\n\n\t\t\t\tglProjLayer.fixedFoveation = foveation;\n\n\t\t\t}\n\n\t\t\tif ( glBaseLayer !== null && glBaseLayer.fixedFoveation !== undefined ) {\n\n\t\t\t\tglBaseLayer.fixedFoveation = foveation;\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Animation Loop\n\n\t\tlet onAnimationFrameCallback = null;\n\n\t\tfunction onAnimationFrame( time, frame ) {\n\n\t\t\tpose = frame.getViewerPose( referenceSpace );\n\t\t\txrFrame = frame;\n\n\t\t\tif ( pose !== null ) {\n\n\t\t\t\tconst views = pose.views;\n\n\t\t\t\tif ( glBaseLayer !== null ) {\n\n\t\t\t\t\trenderer.setRenderTargetFramebuffer( newRenderTarget, glBaseLayer.framebuffer );\n\t\t\t\t\trenderer.setRenderTarget( newRenderTarget );\n\n\t\t\t\t}\n\n\t\t\t\tlet cameraVRNeedsUpdate = false;\n\n\t\t\t\t// check if it's necessary to rebuild cameraVR's camera list\n\n\t\t\t\tif ( views.length !== cameraVR.cameras.length ) {\n\n\t\t\t\t\tcameraVR.cameras.length = 0;\n\t\t\t\t\tcameraVRNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0; i < views.length; i ++ ) {\n\n\t\t\t\t\tconst view = views[ i ];\n\n\t\t\t\t\tlet viewport = null;\n\n\t\t\t\t\tif ( glBaseLayer !== null ) {\n\n\t\t\t\t\t\tviewport = glBaseLayer.getViewport( view );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst glSubImage = glBinding.getViewSubImage( glProjLayer, view );\n\t\t\t\t\t\tviewport = glSubImage.viewport;\n\n\t\t\t\t\t\t// For side-by-side projection, we only produce a single texture for both eyes.\n\t\t\t\t\t\tif ( i === 0 ) {\n\n\t\t\t\t\t\t\trenderer.setRenderTargetTextures(\n\t\t\t\t\t\t\t\tnewRenderTarget,\n\t\t\t\t\t\t\t\tglSubImage.colorTexture,\n\t\t\t\t\t\t\t\tglProjLayer.ignoreDepthValues ? undefined : glSubImage.depthStencilTexture );\n\n\t\t\t\t\t\t\trenderer.setRenderTarget( newRenderTarget );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst camera = cameras[ i ];\n\n\t\t\t\t\tcamera.matrix.fromArray( view.transform.matrix );\n\t\t\t\t\tcamera.projectionMatrix.fromArray( view.projectionMatrix );\n\t\t\t\t\tcamera.viewport.set( viewport.x, viewport.y, viewport.width, viewport.height );\n\n\t\t\t\t\tif ( i === 0 ) {\n\n\t\t\t\t\t\tcameraVR.matrix.copy( camera.matrix );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( cameraVRNeedsUpdate === true ) {\n\n\t\t\t\t\t\tcameraVR.cameras.push( camera );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tconst inputSources = session.inputSources;\n\n\t\t\tfor ( let i = 0; i < controllers.length; i ++ ) {\n\n\t\t\t\tconst controller = controllers[ i ];\n\t\t\t\tconst inputSource = inputSources[ i ];\n\n\t\t\t\tcontroller.update( inputSource, frame, referenceSpace );\n\n\t\t\t}\n\n\t\t\tif ( onAnimationFrameCallback ) onAnimationFrameCallback( time, frame );\n\n\t\t\txrFrame = null;\n\n\t\t}\n\n\t\tconst animation = new WebGLAnimation();\n\n\t\tanimation.setAnimationLoop( onAnimationFrame );\n\n\t\tthis.setAnimationLoop = function ( callback ) {\n\n\t\t\tonAnimationFrameCallback = callback;\n\n\t\t};\n\n\t\tthis.dispose = function () {};\n\n\t}\n\n}\n\nfunction WebGLMaterials( properties ) {\n\n\tfunction refreshFogUniforms( uniforms, fog ) {\n\n\t\tuniforms.fogColor.value.copy( fog.color );\n\n\t\tif ( fog.isFog ) {\n\n\t\t\tuniforms.fogNear.value = fog.near;\n\t\t\tuniforms.fogFar.value = fog.far;\n\n\t\t} else if ( fog.isFogExp2 ) {\n\n\t\t\tuniforms.fogDensity.value = fog.density;\n\n\t\t}\n\n\t}\n\n\tfunction refreshMaterialUniforms( uniforms, material, pixelRatio, height, transmissionRenderTarget ) {\n\n\t\tif ( material.isMeshBasicMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t} else if ( material.isMeshLambertMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsLambert( uniforms, material );\n\n\t\t} else if ( material.isMeshToonMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsToon( uniforms, material );\n\n\t\t} else if ( material.isMeshPhongMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsPhong( uniforms, material );\n\n\t\t} else if ( material.isMeshStandardMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t\tif ( material.isMeshPhysicalMaterial ) {\n\n\t\t\t\trefreshUniformsPhysical( uniforms, material, transmissionRenderTarget );\n\n\t\t\t} else {\n\n\t\t\t\trefreshUniformsStandard( uniforms, material );\n\n\t\t\t}\n\n\t\t} else if ( material.isMeshMatcapMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsMatcap( uniforms, material );\n\n\t\t} else if ( material.isMeshDepthMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsDepth( uniforms, material );\n\n\t\t} else if ( material.isMeshDistanceMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsDistance( uniforms, material );\n\n\t\t} else if ( material.isMeshNormalMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsNormal( uniforms, material );\n\n\t\t} else if ( material.isLineBasicMaterial ) {\n\n\t\t\trefreshUniformsLine( uniforms, material );\n\n\t\t\tif ( material.isLineDashedMaterial ) {\n\n\t\t\t\trefreshUniformsDash( uniforms, material );\n\n\t\t\t}\n\n\t\t} else if ( material.isPointsMaterial ) {\n\n\t\t\trefreshUniformsPoints( uniforms, material, pixelRatio, height );\n\n\t\t} else if ( material.isSpriteMaterial ) {\n\n\t\t\trefreshUniformsSprites( uniforms, material );\n\n\t\t} else if ( material.isShadowMaterial ) {\n\n\t\t\tuniforms.color.value.copy( material.color );\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t} else if ( material.isShaderMaterial ) {\n\n\t\t\tmaterial.uniformsNeedUpdate = false; // #15581\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsCommon( uniforms, material ) {\n\n\t\tuniforms.opacity.value = material.opacity;\n\n\t\tif ( material.color ) {\n\n\t\t\tuniforms.diffuse.value.copy( material.color );\n\n\t\t}\n\n\t\tif ( material.emissive ) {\n\n\t\t\tuniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity );\n\n\t\t}\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t}\n\n\t\tif ( material.specularMap ) {\n\n\t\t\tuniforms.specularMap.value = material.specularMap;\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t\tconst envMap = properties.get( material ).envMap;\n\n\t\tif ( envMap ) {\n\n\t\t\tuniforms.envMap.value = envMap;\n\n\t\t\tuniforms.flipEnvMap.value = ( envMap.isCubeTexture && envMap.isRenderTargetTexture === false ) ? - 1 : 1;\n\n\t\t\tuniforms.reflectivity.value = material.reflectivity;\n\t\t\tuniforms.ior.value = material.ior;\n\t\t\tuniforms.refractionRatio.value = material.refractionRatio;\n\n\t\t}\n\n\t\tif ( material.lightMap ) {\n\n\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t}\n\n\t\tif ( material.aoMap ) {\n\n\t\t\tuniforms.aoMap.value = material.aoMap;\n\t\t\tuniforms.aoMapIntensity.value = material.aoMapIntensity;\n\n\t\t}\n\n\t\t// uv repeat and offset setting priorities\n\t\t// 1. color map\n\t\t// 2. specular map\n\t\t// 3. displacementMap map\n\t\t// 4. normal map\n\t\t// 5. bump map\n\t\t// 6. roughnessMap map\n\t\t// 7. metalnessMap map\n\t\t// 8. alphaMap map\n\t\t// 9. emissiveMap map\n\t\t// 10. clearcoat map\n\t\t// 11. clearcoat normal map\n\t\t// 12. clearcoat roughnessMap map\n\t\t// 13. specular intensity map\n\t\t// 14. specular tint map\n\t\t// 15. transmission map\n\t\t// 16. thickness map\n\n\t\tlet uvScaleMap;\n\n\t\tif ( material.map ) {\n\n\t\t\tuvScaleMap = material.map;\n\n\t\t} else if ( material.specularMap ) {\n\n\t\t\tuvScaleMap = material.specularMap;\n\n\t\t} else if ( material.displacementMap ) {\n\n\t\t\tuvScaleMap = material.displacementMap;\n\n\t\t} else if ( material.normalMap ) {\n\n\t\t\tuvScaleMap = material.normalMap;\n\n\t\t} else if ( material.bumpMap ) {\n\n\t\t\tuvScaleMap = material.bumpMap;\n\n\t\t} else if ( material.roughnessMap ) {\n\n\t\t\tuvScaleMap = material.roughnessMap;\n\n\t\t} else if ( material.metalnessMap ) {\n\n\t\t\tuvScaleMap = material.metalnessMap;\n\n\t\t} else if ( material.alphaMap ) {\n\n\t\t\tuvScaleMap = material.alphaMap;\n\n\t\t} else if ( material.emissiveMap ) {\n\n\t\t\tuvScaleMap = material.emissiveMap;\n\n\t\t} else if ( material.clearcoatMap ) {\n\n\t\t\tuvScaleMap = material.clearcoatMap;\n\n\t\t} else if ( material.clearcoatNormalMap ) {\n\n\t\t\tuvScaleMap = material.clearcoatNormalMap;\n\n\t\t} else if ( material.clearcoatRoughnessMap ) {\n\n\t\t\tuvScaleMap = material.clearcoatRoughnessMap;\n\n\t\t} else if ( material.specularIntensityMap ) {\n\n\t\t\tuvScaleMap = material.specularIntensityMap;\n\n\t\t} else if ( material.specularColorMap ) {\n\n\t\t\tuvScaleMap = material.specularColorMap;\n\n\t\t} else if ( material.transmissionMap ) {\n\n\t\t\tuvScaleMap = material.transmissionMap;\n\n\t\t} else if ( material.thicknessMap ) {\n\n\t\t\tuvScaleMap = material.thicknessMap;\n\n\t\t} else if ( material.sheenColorMap ) {\n\n\t\t\tuvScaleMap = material.sheenColorMap;\n\n\t\t} else if ( material.sheenRoughnessMap ) {\n\n\t\t\tuvScaleMap = material.sheenRoughnessMap;\n\n\t\t}\n\n\t\tif ( uvScaleMap !== undefined ) {\n\n\t\t\t// backwards compatibility\n\t\t\tif ( uvScaleMap.isWebGLRenderTarget ) {\n\n\t\t\t\tuvScaleMap = uvScaleMap.texture;\n\n\t\t\t}\n\n\t\t\tif ( uvScaleMap.matrixAutoUpdate === true ) {\n\n\t\t\t\tuvScaleMap.updateMatrix();\n\n\t\t\t}\n\n\t\t\tuniforms.uvTransform.value.copy( uvScaleMap.matrix );\n\n\t\t}\n\n\t\t// uv repeat and offset setting priorities for uv2\n\t\t// 1. ao map\n\t\t// 2. light map\n\n\t\tlet uv2ScaleMap;\n\n\t\tif ( material.aoMap ) {\n\n\t\t\tuv2ScaleMap = material.aoMap;\n\n\t\t} else if ( material.lightMap ) {\n\n\t\t\tuv2ScaleMap = material.lightMap;\n\n\t\t}\n\n\t\tif ( uv2ScaleMap !== undefined ) {\n\n\t\t\t// backwards compatibility\n\t\t\tif ( uv2ScaleMap.isWebGLRenderTarget ) {\n\n\t\t\t\tuv2ScaleMap = uv2ScaleMap.texture;\n\n\t\t\t}\n\n\t\t\tif ( uv2ScaleMap.matrixAutoUpdate === true ) {\n\n\t\t\t\tuv2ScaleMap.updateMatrix();\n\n\t\t\t}\n\n\t\t\tuniforms.uv2Transform.value.copy( uv2ScaleMap.matrix );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsLine( uniforms, material ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\n\t}\n\n\tfunction refreshUniformsDash( uniforms, material ) {\n\n\t\tuniforms.dashSize.value = material.dashSize;\n\t\tuniforms.totalSize.value = material.dashSize + material.gapSize;\n\t\tuniforms.scale.value = material.scale;\n\n\t}\n\n\tfunction refreshUniformsPoints( uniforms, material, pixelRatio, height ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\t\tuniforms.size.value = material.size * pixelRatio;\n\t\tuniforms.scale.value = height * 0.5;\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t\t// uv repeat and offset setting priorities\n\t\t// 1. color map\n\t\t// 2. alpha map\n\n\t\tlet uvScaleMap;\n\n\t\tif ( material.map ) {\n\n\t\t\tuvScaleMap = material.map;\n\n\t\t} else if ( material.alphaMap ) {\n\n\t\t\tuvScaleMap = material.alphaMap;\n\n\t\t}\n\n\t\tif ( uvScaleMap !== undefined ) {\n\n\t\t\tif ( uvScaleMap.matrixAutoUpdate === true ) {\n\n\t\t\t\tuvScaleMap.updateMatrix();\n\n\t\t\t}\n\n\t\t\tuniforms.uvTransform.value.copy( uvScaleMap.matrix );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsSprites( uniforms, material ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\t\tuniforms.rotation.value = material.rotation;\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t\t// uv repeat and offset setting priorities\n\t\t// 1. color map\n\t\t// 2. alpha map\n\n\t\tlet uvScaleMap;\n\n\t\tif ( material.map ) {\n\n\t\t\tuvScaleMap = material.map;\n\n\t\t} else if ( material.alphaMap ) {\n\n\t\t\tuvScaleMap = material.alphaMap;\n\n\t\t}\n\n\t\tif ( uvScaleMap !== undefined ) {\n\n\t\t\tif ( uvScaleMap.matrixAutoUpdate === true ) {\n\n\t\t\t\tuvScaleMap.updateMatrix();\n\n\t\t\t}\n\n\t\t\tuniforms.uvTransform.value.copy( uvScaleMap.matrix );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsLambert( uniforms, material ) {\n\n\t\tif ( material.emissiveMap ) {\n\n\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsPhong( uniforms, material ) {\n\n\t\tuniforms.specular.value.copy( material.specular );\n\t\tuniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 )\n\n\t\tif ( material.emissiveMap ) {\n\n\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t}\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\t\t\tif ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\t\t\tif ( material.side === BackSide ) uniforms.normalScale.value.negate();\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsToon( uniforms, material ) {\n\n\t\tif ( material.gradientMap ) {\n\n\t\t\tuniforms.gradientMap.value = material.gradientMap;\n\n\t\t}\n\n\t\tif ( material.emissiveMap ) {\n\n\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t}\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\t\t\tif ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\t\t\tif ( material.side === BackSide ) uniforms.normalScale.value.negate();\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsStandard( uniforms, material ) {\n\n\t\tuniforms.roughness.value = material.roughness;\n\t\tuniforms.metalness.value = material.metalness;\n\n\t\tif ( material.roughnessMap ) {\n\n\t\t\tuniforms.roughnessMap.value = material.roughnessMap;\n\n\t\t}\n\n\t\tif ( material.metalnessMap ) {\n\n\t\t\tuniforms.metalnessMap.value = material.metalnessMap;\n\n\t\t}\n\n\t\tif ( material.emissiveMap ) {\n\n\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t}\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\t\t\tif ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\t\t\tif ( material.side === BackSide ) uniforms.normalScale.value.negate();\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t\tconst envMap = properties.get( material ).envMap;\n\n\t\tif ( envMap ) {\n\n\t\t\t//uniforms.envMap.value = material.envMap; // part of uniforms common\n\t\t\tuniforms.envMapIntensity.value = material.envMapIntensity;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsPhysical( uniforms, material, transmissionRenderTarget ) {\n\n\t\trefreshUniformsStandard( uniforms, material );\n\n\t\tuniforms.ior.value = material.ior; // also part of uniforms common\n\n\t\tif ( material.sheen > 0 ) {\n\n\t\t\tuniforms.sheenColor.value.copy( material.sheenColor ).multiplyScalar( material.sheen );\n\n\t\t\tuniforms.sheenRoughness.value = material.sheenRoughness;\n\n\t\t\tif ( material.sheenColorMap ) {\n\n\t\t\t\tuniforms.sheenColorMap.value = material.sheenColorMap;\n\n\t\t\t}\n\n\t\t\tif ( material.sheenRoughnessMap ) {\n\n\t\t\t\tuniforms.sheenRoughnessMap.value = material.sheenRoughnessMap;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.clearcoat > 0 ) {\n\n\t\t\tuniforms.clearcoat.value = material.clearcoat;\n\t\t\tuniforms.clearcoatRoughness.value = material.clearcoatRoughness;\n\n\t\t\tif ( material.clearcoatMap ) {\n\n\t\t\t\tuniforms.clearcoatMap.value = material.clearcoatMap;\n\n\t\t\t}\n\n\t\t\tif ( material.clearcoatRoughnessMap ) {\n\n\t\t\t\tuniforms.clearcoatRoughnessMap.value = material.clearcoatRoughnessMap;\n\n\t\t\t}\n\n\t\t\tif ( material.clearcoatNormalMap ) {\n\n\t\t\t\tuniforms.clearcoatNormalScale.value.copy( material.clearcoatNormalScale );\n\t\t\t\tuniforms.clearcoatNormalMap.value = material.clearcoatNormalMap;\n\n\t\t\t\tif ( material.side === BackSide ) {\n\n\t\t\t\t\tuniforms.clearcoatNormalScale.value.negate();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.transmission > 0 ) {\n\n\t\t\tuniforms.transmission.value = material.transmission;\n\t\t\tuniforms.transmissionSamplerMap.value = transmissionRenderTarget.texture;\n\t\t\tuniforms.transmissionSamplerSize.value.set( transmissionRenderTarget.width, transmissionRenderTarget.height );\n\n\t\t\tif ( material.transmissionMap ) {\n\n\t\t\t\tuniforms.transmissionMap.value = material.transmissionMap;\n\n\t\t\t}\n\n\t\t\tuniforms.thickness.value = material.thickness;\n\n\t\t\tif ( material.thicknessMap ) {\n\n\t\t\t\tuniforms.thicknessMap.value = material.thicknessMap;\n\n\t\t\t}\n\n\t\t\tuniforms.attenuationDistance.value = material.attenuationDistance;\n\t\t\tuniforms.attenuationColor.value.copy( material.attenuationColor );\n\n\t\t}\n\n\t\tuniforms.specularIntensity.value = material.specularIntensity;\n\t\tuniforms.specularColor.value.copy( material.specularColor );\n\n\t\tif ( material.specularIntensityMap ) {\n\n\t\t\tuniforms.specularIntensityMap.value = material.specularIntensityMap;\n\n\t\t}\n\n\t\tif ( material.specularColorMap ) {\n\n\t\t\tuniforms.specularColorMap.value = material.specularColorMap;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsMatcap( uniforms, material ) {\n\n\t\tif ( material.matcap ) {\n\n\t\t\tuniforms.matcap.value = material.matcap;\n\n\t\t}\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\t\t\tif ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\t\t\tif ( material.side === BackSide ) uniforms.normalScale.value.negate();\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsDepth( uniforms, material ) {\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsDistance( uniforms, material ) {\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t\tuniforms.referencePosition.value.copy( material.referencePosition );\n\t\tuniforms.nearDistance.value = material.nearDistance;\n\t\tuniforms.farDistance.value = material.farDistance;\n\n\t}\n\n\tfunction refreshUniformsNormal( uniforms, material ) {\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\t\t\tif ( material.side === BackSide ) uniforms.bumpScale.value *= - 1;\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\t\t\tif ( material.side === BackSide ) uniforms.normalScale.value.negate();\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\trefreshFogUniforms: refreshFogUniforms,\n\t\trefreshMaterialUniforms: refreshMaterialUniforms\n\t};\n\n}\n\nfunction createCanvasElement() {\n\n\tconst canvas = createElementNS( 'canvas' );\n\tcanvas.style.display = 'block';\n\treturn canvas;\n\n}\n\nfunction WebGLRenderer( parameters = {} ) {\n\n\tconst _canvas = parameters.canvas !== undefined ? parameters.canvas : createCanvasElement(),\n\t\t_context = parameters.context !== undefined ? parameters.context : null,\n\n\t\t_alpha = parameters.alpha !== undefined ? parameters.alpha : false,\n\t\t_depth = parameters.depth !== undefined ? parameters.depth : true,\n\t\t_stencil = parameters.stencil !== undefined ? parameters.stencil : true,\n\t\t_antialias = parameters.antialias !== undefined ? parameters.antialias : false,\n\t\t_premultipliedAlpha = parameters.premultipliedAlpha !== undefined ? parameters.premultipliedAlpha : true,\n\t\t_preserveDrawingBuffer = parameters.preserveDrawingBuffer !== undefined ? parameters.preserveDrawingBuffer : false,\n\t\t_powerPreference = parameters.powerPreference !== undefined ? parameters.powerPreference : 'default',\n\t\t_failIfMajorPerformanceCaveat = parameters.failIfMajorPerformanceCaveat !== undefined ? parameters.failIfMajorPerformanceCaveat : false;\n\n\tlet currentRenderList = null;\n\tlet currentRenderState = null;\n\n\t// render() can be called from within a callback triggered by another render.\n\t// We track this so that the nested render call gets its list and state isolated from the parent render call.\n\n\tconst renderListStack = [];\n\tconst renderStateStack = [];\n\n\t// public properties\n\n\tthis.domElement = _canvas;\n\n\t// Debug configuration container\n\tthis.debug = {\n\n\t\t/**\n\t\t * Enables error checking and reporting when shader programs are being compiled\n\t\t * @type {boolean}\n\t\t */\n\t\tcheckShaderErrors: true\n\t};\n\n\t// clearing\n\n\tthis.autoClear = true;\n\tthis.autoClearColor = true;\n\tthis.autoClearDepth = true;\n\tthis.autoClearStencil = true;\n\n\t// scene graph\n\n\tthis.sortObjects = true;\n\n\t// user-defined clipping\n\n\tthis.clippingPlanes = [];\n\tthis.localClippingEnabled = false;\n\n\t// physically based shading\n\n\tthis.gammaFactor = 2.0;\t// for backwards compatibility\n\tthis.outputEncoding = LinearEncoding;\n\n\t// physical lights\n\n\tthis.physicallyCorrectLights = false;\n\n\t// tone mapping\n\n\tthis.toneMapping = NoToneMapping;\n\tthis.toneMappingExposure = 1.0;\n\n\t// internal properties\n\n\tconst _this = this;\n\n\tlet _isContextLost = false;\n\n\t// internal state cache\n\n\tlet _currentActiveCubeFace = 0;\n\tlet _currentActiveMipmapLevel = 0;\n\tlet _currentRenderTarget = null;\n\tlet _currentMaterialId = - 1;\n\n\tlet _currentCamera = null;\n\n\tconst _currentViewport = new Vector4();\n\tconst _currentScissor = new Vector4();\n\tlet _currentScissorTest = null;\n\n\t//\n\n\tlet _width = _canvas.width;\n\tlet _height = _canvas.height;\n\n\tlet _pixelRatio = 1;\n\tlet _opaqueSort = null;\n\tlet _transparentSort = null;\n\n\tconst _viewport = new Vector4( 0, 0, _width, _height );\n\tconst _scissor = new Vector4( 0, 0, _width, _height );\n\tlet _scissorTest = false;\n\n\t//\n\n\tconst _currentDrawBuffers = [];\n\n\t// frustum\n\n\tconst _frustum = new Frustum();\n\n\t// clipping\n\n\tlet _clippingEnabled = false;\n\tlet _localClippingEnabled = false;\n\n\t// transmission\n\n\tlet _transmissionRenderTarget = null;\n\n\t// camera matrices cache\n\n\tconst _projScreenMatrix = new Matrix4();\n\n\tconst _vector3 = new Vector3();\n\n\tconst _emptyScene = { background: null, fog: null, environment: null, overrideMaterial: null, isScene: true };\n\n\tfunction getTargetPixelRatio() {\n\n\t\treturn _currentRenderTarget === null ? _pixelRatio : 1;\n\n\t}\n\n\t// initialize\n\n\tlet _gl = _context;\n\n\tfunction getContext( contextNames, contextAttributes ) {\n\n\t\tfor ( let i = 0; i < contextNames.length; i ++ ) {\n\n\t\t\tconst contextName = contextNames[ i ];\n\t\t\tconst context = _canvas.getContext( contextName, contextAttributes );\n\t\t\tif ( context !== null ) return context;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\ttry {\n\n\t\tconst contextAttributes = {\n\t\t\talpha: _alpha,\n\t\t\tdepth: _depth,\n\t\t\tstencil: _stencil,\n\t\t\tantialias: _antialias,\n\t\t\tpremultipliedAlpha: _premultipliedAlpha,\n\t\t\tpreserveDrawingBuffer: _preserveDrawingBuffer,\n\t\t\tpowerPreference: _powerPreference,\n\t\t\tfailIfMajorPerformanceCaveat: _failIfMajorPerformanceCaveat\n\t\t};\n\n\t\t// OffscreenCanvas does not have setAttribute, see #22811\n\t\tif ( 'setAttribute' in _canvas ) _canvas.setAttribute( 'data-engine', `three.js r${REVISION}` );\n\n\t\t// event listeners must be registered before WebGL context is created, see #12753\n\t\t_canvas.addEventListener( 'webglcontextlost', onContextLost, false );\n\t\t_canvas.addEventListener( 'webglcontextrestored', onContextRestore, false );\n\n\t\tif ( _gl === null ) {\n\n\t\t\tconst contextNames = [ 'webgl2', 'webgl', 'experimental-webgl' ];\n\n\t\t\tif ( _this.isWebGL1Renderer === true ) {\n\n\t\t\t\tcontextNames.shift();\n\n\t\t\t}\n\n\t\t\t_gl = getContext( contextNames, contextAttributes );\n\n\t\t\tif ( _gl === null ) {\n\n\t\t\t\tif ( getContext( contextNames ) ) {\n\n\t\t\t\t\tthrow new Error( 'Error creating WebGL context with your selected attributes.' );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new Error( 'Error creating WebGL context.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Some experimental-webgl implementations do not have getShaderPrecisionFormat\n\n\t\tif ( _gl.getShaderPrecisionFormat === undefined ) {\n\n\t\t\t_gl.getShaderPrecisionFormat = function () {\n\n\t\t\t\treturn { 'rangeMin': 1, 'rangeMax': 1, 'precision': 1 };\n\n\t\t\t};\n\n\t\t}\n\n\t} catch ( error ) {\n\n\t\tconsole.error( 'THREE.WebGLRenderer: ' + error.message );\n\t\tthrow error;\n\n\t}\n\n\tlet extensions, capabilities, state, info;\n\tlet properties, textures, cubemaps, cubeuvmaps, attributes, geometries, objects;\n\tlet programCache, materials, renderLists, renderStates, clipping, shadowMap;\n\n\tlet background, morphtargets, bufferRenderer, indexedBufferRenderer;\n\n\tlet utils, bindingStates;\n\n\tfunction initGLContext() {\n\n\t\textensions = new WebGLExtensions( _gl );\n\n\t\tcapabilities = new WebGLCapabilities( _gl, extensions, parameters );\n\n\t\textensions.init( capabilities );\n\n\t\tutils = new WebGLUtils( _gl, extensions, capabilities );\n\n\t\tstate = new WebGLState( _gl, extensions, capabilities );\n\n\t\t_currentDrawBuffers[ 0 ] = 1029;\n\n\t\tinfo = new WebGLInfo( _gl );\n\t\tproperties = new WebGLProperties();\n\t\ttextures = new WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info );\n\t\tcubemaps = new WebGLCubeMaps( _this );\n\t\tcubeuvmaps = new WebGLCubeUVMaps( _this );\n\t\tattributes = new WebGLAttributes( _gl, capabilities );\n\t\tbindingStates = new WebGLBindingStates( _gl, extensions, attributes, capabilities );\n\t\tgeometries = new WebGLGeometries( _gl, attributes, info, bindingStates );\n\t\tobjects = new WebGLObjects( _gl, geometries, attributes, info );\n\t\tmorphtargets = new WebGLMorphtargets( _gl, capabilities, textures );\n\t\tclipping = new WebGLClipping( properties );\n\t\tprogramCache = new WebGLPrograms( _this, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping );\n\t\tmaterials = new WebGLMaterials( properties );\n\t\trenderLists = new WebGLRenderLists( properties );\n\t\trenderStates = new WebGLRenderStates( extensions, capabilities );\n\t\tbackground = new WebGLBackground( _this, cubemaps, state, objects, _premultipliedAlpha );\n\t\tshadowMap = new WebGLShadowMap( _this, objects, capabilities );\n\n\t\tbufferRenderer = new WebGLBufferRenderer( _gl, extensions, info, capabilities );\n\t\tindexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, info, capabilities );\n\n\t\tinfo.programs = programCache.programs;\n\n\t\t_this.capabilities = capabilities;\n\t\t_this.extensions = extensions;\n\t\t_this.properties = properties;\n\t\t_this.renderLists = renderLists;\n\t\t_this.shadowMap = shadowMap;\n\t\t_this.state = state;\n\t\t_this.info = info;\n\n\t}\n\n\tinitGLContext();\n\n\t// xr\n\n\tconst xr = new WebXRManager( _this, _gl );\n\n\tthis.xr = xr;\n\n\t// API\n\n\tthis.getContext = function () {\n\n\t\treturn _gl;\n\n\t};\n\n\tthis.getContextAttributes = function () {\n\n\t\treturn _gl.getContextAttributes();\n\n\t};\n\n\tthis.forceContextLoss = function () {\n\n\t\tconst extension = extensions.get( 'WEBGL_lose_context' );\n\t\tif ( extension ) extension.loseContext();\n\n\t};\n\n\tthis.forceContextRestore = function () {\n\n\t\tconst extension = extensions.get( 'WEBGL_lose_context' );\n\t\tif ( extension ) extension.restoreContext();\n\n\t};\n\n\tthis.getPixelRatio = function () {\n\n\t\treturn _pixelRatio;\n\n\t};\n\n\tthis.setPixelRatio = function ( value ) {\n\n\t\tif ( value === undefined ) return;\n\n\t\t_pixelRatio = value;\n\n\t\tthis.setSize( _width, _height, false );\n\n\t};\n\n\tthis.getSize = function ( target ) {\n\n\t\treturn target.set( _width, _height );\n\n\t};\n\n\tthis.setSize = function ( width, height, updateStyle ) {\n\n\t\tif ( xr.isPresenting ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Can\\'t change size while VR device is presenting.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\t_width = width;\n\t\t_height = height;\n\n\t\t_canvas.width = Math.floor( width * _pixelRatio );\n\t\t_canvas.height = Math.floor( height * _pixelRatio );\n\n\t\tif ( updateStyle !== false ) {\n\n\t\t\t_canvas.style.width = width + 'px';\n\t\t\t_canvas.style.height = height + 'px';\n\n\t\t}\n\n\t\tthis.setViewport( 0, 0, width, height );\n\n\t};\n\n\tthis.getDrawingBufferSize = function ( target ) {\n\n\t\treturn target.set( _width * _pixelRatio, _height * _pixelRatio ).floor();\n\n\t};\n\n\tthis.setDrawingBufferSize = function ( width, height, pixelRatio ) {\n\n\t\t_width = width;\n\t\t_height = height;\n\n\t\t_pixelRatio = pixelRatio;\n\n\t\t_canvas.width = Math.floor( width * pixelRatio );\n\t\t_canvas.height = Math.floor( height * pixelRatio );\n\n\t\tthis.setViewport( 0, 0, width, height );\n\n\t};\n\n\tthis.getCurrentViewport = function ( target ) {\n\n\t\treturn target.copy( _currentViewport );\n\n\t};\n\n\tthis.getViewport = function ( target ) {\n\n\t\treturn target.copy( _viewport );\n\n\t};\n\n\tthis.setViewport = function ( x, y, width, height ) {\n\n\t\tif ( x.isVector4 ) {\n\n\t\t\t_viewport.set( x.x, x.y, x.z, x.w );\n\n\t\t} else {\n\n\t\t\t_viewport.set( x, y, width, height );\n\n\t\t}\n\n\t\tstate.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).floor() );\n\n\t};\n\n\tthis.getScissor = function ( target ) {\n\n\t\treturn target.copy( _scissor );\n\n\t};\n\n\tthis.setScissor = function ( x, y, width, height ) {\n\n\t\tif ( x.isVector4 ) {\n\n\t\t\t_scissor.set( x.x, x.y, x.z, x.w );\n\n\t\t} else {\n\n\t\t\t_scissor.set( x, y, width, height );\n\n\t\t}\n\n\t\tstate.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).floor() );\n\n\t};\n\n\tthis.getScissorTest = function () {\n\n\t\treturn _scissorTest;\n\n\t};\n\n\tthis.setScissorTest = function ( boolean ) {\n\n\t\tstate.setScissorTest( _scissorTest = boolean );\n\n\t};\n\n\tthis.setOpaqueSort = function ( method ) {\n\n\t\t_opaqueSort = method;\n\n\t};\n\n\tthis.setTransparentSort = function ( method ) {\n\n\t\t_transparentSort = method;\n\n\t};\n\n\t// Clearing\n\n\tthis.getClearColor = function ( target ) {\n\n\t\treturn target.copy( background.getClearColor() );\n\n\t};\n\n\tthis.setClearColor = function () {\n\n\t\tbackground.setClearColor.apply( background, arguments );\n\n\t};\n\n\tthis.getClearAlpha = function () {\n\n\t\treturn background.getClearAlpha();\n\n\t};\n\n\tthis.setClearAlpha = function () {\n\n\t\tbackground.setClearAlpha.apply( background, arguments );\n\n\t};\n\n\tthis.clear = function ( color, depth, stencil ) {\n\n\t\tlet bits = 0;\n\n\t\tif ( color === undefined || color ) bits |= 16384;\n\t\tif ( depth === undefined || depth ) bits |= 256;\n\t\tif ( stencil === undefined || stencil ) bits |= 1024;\n\n\t\t_gl.clear( bits );\n\n\t};\n\n\tthis.clearColor = function () {\n\n\t\tthis.clear( true, false, false );\n\n\t};\n\n\tthis.clearDepth = function () {\n\n\t\tthis.clear( false, true, false );\n\n\t};\n\n\tthis.clearStencil = function () {\n\n\t\tthis.clear( false, false, true );\n\n\t};\n\n\t//\n\n\tthis.dispose = function () {\n\n\t\t_canvas.removeEventListener( 'webglcontextlost', onContextLost, false );\n\t\t_canvas.removeEventListener( 'webglcontextrestored', onContextRestore, false );\n\n\t\trenderLists.dispose();\n\t\trenderStates.dispose();\n\t\tproperties.dispose();\n\t\tcubemaps.dispose();\n\t\tcubeuvmaps.dispose();\n\t\tobjects.dispose();\n\t\tbindingStates.dispose();\n\n\t\txr.dispose();\n\n\t\txr.removeEventListener( 'sessionstart', onXRSessionStart );\n\t\txr.removeEventListener( 'sessionend', onXRSessionEnd );\n\n\t\tif ( _transmissionRenderTarget ) {\n\n\t\t\t_transmissionRenderTarget.dispose();\n\t\t\t_transmissionRenderTarget = null;\n\n\t\t}\n\n\t\tanimation.stop();\n\n\t};\n\n\t// Events\n\n\tfunction onContextLost( event ) {\n\n\t\tevent.preventDefault();\n\n\t\tconsole.log( 'THREE.WebGLRenderer: Context Lost.' );\n\n\t\t_isContextLost = true;\n\n\t}\n\n\tfunction onContextRestore( /* event */ ) {\n\n\t\tconsole.log( 'THREE.WebGLRenderer: Context Restored.' );\n\n\t\t_isContextLost = false;\n\n\t\tconst infoAutoReset = info.autoReset;\n\t\tconst shadowMapEnabled = shadowMap.enabled;\n\t\tconst shadowMapAutoUpdate = shadowMap.autoUpdate;\n\t\tconst shadowMapNeedsUpdate = shadowMap.needsUpdate;\n\t\tconst shadowMapType = shadowMap.type;\n\n\t\tinitGLContext();\n\n\t\tinfo.autoReset = infoAutoReset;\n\t\tshadowMap.enabled = shadowMapEnabled;\n\t\tshadowMap.autoUpdate = shadowMapAutoUpdate;\n\t\tshadowMap.needsUpdate = shadowMapNeedsUpdate;\n\t\tshadowMap.type = shadowMapType;\n\n\t}\n\n\tfunction onMaterialDispose( event ) {\n\n\t\tconst material = event.target;\n\n\t\tmaterial.removeEventListener( 'dispose', onMaterialDispose );\n\n\t\tdeallocateMaterial( material );\n\n\t}\n\n\t// Buffer deallocation\n\n\tfunction deallocateMaterial( material ) {\n\n\t\treleaseMaterialProgramReferences( material );\n\n\t\tproperties.remove( material );\n\n\t}\n\n\n\tfunction releaseMaterialProgramReferences( material ) {\n\n\t\tconst programs = properties.get( material ).programs;\n\n\t\tif ( programs !== undefined ) {\n\n\t\t\tprograms.forEach( function ( program ) {\n\n\t\t\t\tprogramCache.releaseProgram( program );\n\n\t\t\t} );\n\n\t\t}\n\n\t}\n\n\t// Buffer rendering\n\n\tthis.renderBufferDirect = function ( camera, scene, geometry, material, object, group ) {\n\n\t\tif ( scene === null ) scene = _emptyScene; // renderBufferDirect second parameter used to be fog (could be null)\n\n\t\tconst frontFaceCW = ( object.isMesh && object.matrixWorld.determinant() < 0 );\n\n\t\tconst program = setProgram( camera, scene, geometry, material, object );\n\n\t\tstate.setMaterial( material, frontFaceCW );\n\n\t\t//\n\n\t\tlet index = geometry.index;\n\t\tconst position = geometry.attributes.position;\n\n\t\t//\n\n\t\tif ( index === null ) {\n\n\t\t\tif ( position === undefined || position.count === 0 ) return;\n\n\t\t} else if ( index.count === 0 ) {\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t//\n\n\t\tlet rangeFactor = 1;\n\n\t\tif ( material.wireframe === true ) {\n\n\t\t\tindex = geometries.getWireframeAttribute( geometry );\n\t\t\trangeFactor = 2;\n\n\t\t}\n\n\t\tbindingStates.setup( object, material, program, geometry, index );\n\n\t\tlet attribute;\n\t\tlet renderer = bufferRenderer;\n\n\t\tif ( index !== null ) {\n\n\t\t\tattribute = attributes.get( index );\n\n\t\t\trenderer = indexedBufferRenderer;\n\t\t\trenderer.setIndex( attribute );\n\n\t\t}\n\n\t\t//\n\n\t\tconst dataCount = ( index !== null ) ? index.count : position.count;\n\n\t\tconst rangeStart = geometry.drawRange.start * rangeFactor;\n\t\tconst rangeCount = geometry.drawRange.count * rangeFactor;\n\n\t\tconst groupStart = group !== null ? group.start * rangeFactor : 0;\n\t\tconst groupCount = group !== null ? group.count * rangeFactor : Infinity;\n\n\t\tconst drawStart = Math.max( rangeStart, groupStart );\n\t\tconst drawEnd = Math.min( dataCount, rangeStart + rangeCount, groupStart + groupCount ) - 1;\n\n\t\tconst drawCount = Math.max( 0, drawEnd - drawStart + 1 );\n\n\t\tif ( drawCount === 0 ) return;\n\n\t\t//\n\n\t\tif ( object.isMesh ) {\n\n\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\tstate.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() );\n\t\t\t\trenderer.setMode( 1 );\n\n\t\t\t} else {\n\n\t\t\t\trenderer.setMode( 4 );\n\n\t\t\t}\n\n\t\t} else if ( object.isLine ) {\n\n\t\t\tlet lineWidth = material.linewidth;\n\n\t\t\tif ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material\n\n\t\t\tstate.setLineWidth( lineWidth * getTargetPixelRatio() );\n\n\t\t\tif ( object.isLineSegments ) {\n\n\t\t\t\trenderer.setMode( 1 );\n\n\t\t\t} else if ( object.isLineLoop ) {\n\n\t\t\t\trenderer.setMode( 2 );\n\n\t\t\t} else {\n\n\t\t\t\trenderer.setMode( 3 );\n\n\t\t\t}\n\n\t\t} else if ( object.isPoints ) {\n\n\t\t\trenderer.setMode( 0 );\n\n\t\t} else if ( object.isSprite ) {\n\n\t\t\trenderer.setMode( 4 );\n\n\t\t}\n\n\t\tif ( object.isInstancedMesh ) {\n\n\t\t\trenderer.renderInstances( drawStart, drawCount, object.count );\n\n\t\t} else if ( geometry.isInstancedBufferGeometry ) {\n\n\t\t\tconst instanceCount = Math.min( geometry.instanceCount, geometry._maxInstanceCount );\n\n\t\t\trenderer.renderInstances( drawStart, drawCount, instanceCount );\n\n\t\t} else {\n\n\t\t\trenderer.render( drawStart, drawCount );\n\n\t\t}\n\n\t};\n\n\t// Compile\n\n\tthis.compile = function ( scene, camera ) {\n\n\t\tcurrentRenderState = renderStates.get( scene );\n\t\tcurrentRenderState.init();\n\n\t\trenderStateStack.push( currentRenderState );\n\n\t\tscene.traverseVisible( function ( object ) {\n\n\t\t\tif ( object.isLight && object.layers.test( camera.layers ) ) {\n\n\t\t\t\tcurrentRenderState.pushLight( object );\n\n\t\t\t\tif ( object.castShadow ) {\n\n\t\t\t\t\tcurrentRenderState.pushShadow( object );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} );\n\n\t\tcurrentRenderState.setupLights( _this.physicallyCorrectLights );\n\n\t\tscene.traverse( function ( object ) {\n\n\t\t\tconst material = object.material;\n\n\t\t\tif ( material ) {\n\n\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\tfor ( let i = 0; i < material.length; i ++ ) {\n\n\t\t\t\t\t\tconst material2 = material[ i ];\n\n\t\t\t\t\t\tgetProgram( material2, scene, object );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgetProgram( material, scene, object );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} );\n\n\t\trenderStateStack.pop();\n\t\tcurrentRenderState = null;\n\n\t};\n\n\t// Animation Loop\n\n\tlet onAnimationFrameCallback = null;\n\n\tfunction onAnimationFrame( time ) {\n\n\t\tif ( onAnimationFrameCallback ) onAnimationFrameCallback( time );\n\n\t}\n\n\tfunction onXRSessionStart() {\n\n\t\tanimation.stop();\n\n\t}\n\n\tfunction onXRSessionEnd() {\n\n\t\tanimation.start();\n\n\t}\n\n\tconst animation = new WebGLAnimation();\n\tanimation.setAnimationLoop( onAnimationFrame );\n\n\tif ( typeof window !== 'undefined' ) animation.setContext( window );\n\n\tthis.setAnimationLoop = function ( callback ) {\n\n\t\tonAnimationFrameCallback = callback;\n\t\txr.setAnimationLoop( callback );\n\n\t\t( callback === null ) ? animation.stop() : animation.start();\n\n\t};\n\n\txr.addEventListener( 'sessionstart', onXRSessionStart );\n\txr.addEventListener( 'sessionend', onXRSessionEnd );\n\n\t// Rendering\n\n\tthis.render = function ( scene, camera ) {\n\n\t\tif ( camera !== undefined && camera.isCamera !== true ) {\n\n\t\t\tconsole.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( _isContextLost === true ) return;\n\n\t\t// update scene graph\n\n\t\tif ( scene.autoUpdate === true ) scene.updateMatrixWorld();\n\n\t\t// update camera matrices and frustum\n\n\t\tif ( camera.parent === null ) camera.updateMatrixWorld();\n\n\t\tif ( xr.enabled === true && xr.isPresenting === true ) {\n\n\t\t\tif ( xr.cameraAutoUpdate === true ) xr.updateCamera( camera );\n\n\t\t\tcamera = xr.getCamera(); // use XR camera for rendering\n\n\t\t}\n\n\t\t//\n\t\tif ( scene.isScene === true ) scene.onBeforeRender( _this, scene, camera, _currentRenderTarget );\n\n\t\tcurrentRenderState = renderStates.get( scene, renderStateStack.length );\n\t\tcurrentRenderState.init();\n\n\t\trenderStateStack.push( currentRenderState );\n\n\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\t_frustum.setFromProjectionMatrix( _projScreenMatrix );\n\n\t\t_localClippingEnabled = this.localClippingEnabled;\n\t\t_clippingEnabled = clipping.init( this.clippingPlanes, _localClippingEnabled, camera );\n\n\t\tcurrentRenderList = renderLists.get( scene, renderListStack.length );\n\t\tcurrentRenderList.init();\n\n\t\trenderListStack.push( currentRenderList );\n\n\t\tprojectObject( scene, camera, 0, _this.sortObjects );\n\n\t\tcurrentRenderList.finish();\n\n\t\tif ( _this.sortObjects === true ) {\n\n\t\t\tcurrentRenderList.sort( _opaqueSort, _transparentSort );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( _clippingEnabled === true ) clipping.beginShadows();\n\n\t\tconst shadowsArray = currentRenderState.state.shadowsArray;\n\n\t\tshadowMap.render( shadowsArray, scene, camera );\n\n\t\tif ( _clippingEnabled === true ) clipping.endShadows();\n\n\t\t//\n\n\t\tif ( this.info.autoReset === true ) this.info.reset();\n\n\t\t//\n\n\t\tbackground.render( currentRenderList, scene );\n\n\t\t// render scene\n\n\t\tcurrentRenderState.setupLights( _this.physicallyCorrectLights );\n\n\t\tif ( camera.isArrayCamera ) {\n\n\t\t\tconst cameras = camera.cameras;\n\n\t\t\tfor ( let i = 0, l = cameras.length; i < l; i ++ ) {\n\n\t\t\t\tconst camera2 = cameras[ i ];\n\n\t\t\t\trenderScene( currentRenderList, scene, camera2, camera2.viewport );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\trenderScene( currentRenderList, scene, camera );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( _currentRenderTarget !== null ) {\n\n\t\t\t// resolve multisample renderbuffers to a single-sample texture if necessary\n\n\t\t\ttextures.updateMultisampleRenderTarget( _currentRenderTarget );\n\n\t\t\t// Generate mipmap if we're using any kind of mipmap filtering\n\n\t\t\ttextures.updateRenderTargetMipmap( _currentRenderTarget );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( scene.isScene === true ) scene.onAfterRender( _this, scene, camera );\n\n\t\t// Ensure depth buffer writing is enabled so it can be cleared on next render\n\n\t\tstate.buffers.depth.setTest( true );\n\t\tstate.buffers.depth.setMask( true );\n\t\tstate.buffers.color.setMask( true );\n\n\t\tstate.setPolygonOffset( false );\n\n\t\t// _gl.finish();\n\n\t\tbindingStates.resetDefaultState();\n\t\t_currentMaterialId = - 1;\n\t\t_currentCamera = null;\n\n\t\trenderStateStack.pop();\n\n\t\tif ( renderStateStack.length > 0 ) {\n\n\t\t\tcurrentRenderState = renderStateStack[ renderStateStack.length - 1 ];\n\n\t\t} else {\n\n\t\t\tcurrentRenderState = null;\n\n\t\t}\n\n\t\trenderListStack.pop();\n\n\t\tif ( renderListStack.length > 0 ) {\n\n\t\t\tcurrentRenderList = renderListStack[ renderListStack.length - 1 ];\n\n\t\t} else {\n\n\t\t\tcurrentRenderList = null;\n\n\t\t}\n\n\t};\n\n\tfunction projectObject( object, camera, groupOrder, sortObjects ) {\n\n\t\tif ( object.visible === false ) return;\n\n\t\tconst visible = object.layers.test( camera.layers );\n\n\t\tif ( visible ) {\n\n\t\t\tif ( object.isGroup ) {\n\n\t\t\t\tgroupOrder = object.renderOrder;\n\n\t\t\t} else if ( object.isLOD ) {\n\n\t\t\t\tif ( object.autoUpdate === true ) object.update( camera );\n\n\t\t\t} else if ( object.isLight ) {\n\n\t\t\t\tcurrentRenderState.pushLight( object );\n\n\t\t\t\tif ( object.castShadow ) {\n\n\t\t\t\t\tcurrentRenderState.pushShadow( object );\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isSprite ) {\n\n\t\t\t\tif ( ! object.frustumCulled || _frustum.intersectsSprite( object ) ) {\n\n\t\t\t\t\tif ( sortObjects ) {\n\n\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld )\n\t\t\t\t\t\t\t.applyMatrix4( _projScreenMatrix );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst geometry = objects.update( object );\n\t\t\t\t\tconst material = object.material;\n\n\t\t\t\t\tif ( material.visible ) {\n\n\t\t\t\t\t\tcurrentRenderList.push( object, geometry, material, groupOrder, _vector3.z, null );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isMesh || object.isLine || object.isPoints ) {\n\n\t\t\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\t\t\t// update skeleton only once in a frame\n\n\t\t\t\t\tif ( object.skeleton.frame !== info.render.frame ) {\n\n\t\t\t\t\t\tobject.skeleton.update();\n\t\t\t\t\t\tobject.skeleton.frame = info.render.frame;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) {\n\n\t\t\t\t\tif ( sortObjects ) {\n\n\t\t\t\t\t\t_vector3.setFromMatrixPosition( object.matrixWorld )\n\t\t\t\t\t\t\t.applyMatrix4( _projScreenMatrix );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst geometry = objects.update( object );\n\t\t\t\t\tconst material = object.material;\n\n\t\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\t\tconst groups = geometry.groups;\n\n\t\t\t\t\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\t\tif ( groupMaterial && groupMaterial.visible ) {\n\n\t\t\t\t\t\t\t\tcurrentRenderList.push( object, geometry, groupMaterial, groupOrder, _vector3.z, group );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else if ( material.visible ) {\n\n\t\t\t\t\t\tcurrentRenderList.push( object, geometry, material, groupOrder, _vector3.z, null );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tprojectObject( children[ i ], camera, groupOrder, sortObjects );\n\n\t\t}\n\n\t}\n\n\tfunction renderScene( currentRenderList, scene, camera, viewport ) {\n\n\t\tconst opaqueObjects = currentRenderList.opaque;\n\t\tconst transmissiveObjects = currentRenderList.transmissive;\n\t\tconst transparentObjects = currentRenderList.transparent;\n\n\t\tcurrentRenderState.setupLightsView( camera );\n\n\t\tif ( transmissiveObjects.length > 0 ) renderTransmissionPass( opaqueObjects, scene, camera );\n\n\t\tif ( viewport ) state.viewport( _currentViewport.copy( viewport ) );\n\n\t\tif ( opaqueObjects.length > 0 ) renderObjects( opaqueObjects, scene, camera );\n\t\tif ( transmissiveObjects.length > 0 ) renderObjects( transmissiveObjects, scene, camera );\n\t\tif ( transparentObjects.length > 0 ) renderObjects( transparentObjects, scene, camera );\n\n\t}\n\n\tfunction renderTransmissionPass( opaqueObjects, scene, camera ) {\n\n\t\tif ( _transmissionRenderTarget === null ) {\n\n\t\t\tconst needsAntialias = _antialias === true && capabilities.isWebGL2 === true;\n\t\t\tconst renderTargetType = needsAntialias ? WebGLMultisampleRenderTarget : WebGLRenderTarget;\n\n\t\t\t_transmissionRenderTarget = new renderTargetType( 1024, 1024, {\n\t\t\t\tgenerateMipmaps: true,\n\t\t\t\ttype: utils.convert( HalfFloatType ) !== null ? HalfFloatType : UnsignedByteType,\n\t\t\t\tminFilter: LinearMipmapLinearFilter,\n\t\t\t\tmagFilter: NearestFilter,\n\t\t\t\twrapS: ClampToEdgeWrapping,\n\t\t\t\twrapT: ClampToEdgeWrapping,\n\t\t\t\tuseRenderToTexture: extensions.has( 'WEBGL_multisampled_render_to_texture' )\n\t\t\t} );\n\n\t\t}\n\n\t\tconst currentRenderTarget = _this.getRenderTarget();\n\t\t_this.setRenderTarget( _transmissionRenderTarget );\n\t\t_this.clear();\n\n\t\t// Turn off the features which can affect the frag color for opaque objects pass.\n\t\t// Otherwise they are applied twice in opaque objects pass and transmission objects pass.\n\t\tconst currentToneMapping = _this.toneMapping;\n\t\t_this.toneMapping = NoToneMapping;\n\n\t\trenderObjects( opaqueObjects, scene, camera );\n\n\t\t_this.toneMapping = currentToneMapping;\n\n\t\ttextures.updateMultisampleRenderTarget( _transmissionRenderTarget );\n\t\ttextures.updateRenderTargetMipmap( _transmissionRenderTarget );\n\n\t\t_this.setRenderTarget( currentRenderTarget );\n\n\t}\n\n\tfunction renderObjects( renderList, scene, camera ) {\n\n\t\tconst overrideMaterial = scene.isScene === true ? scene.overrideMaterial : null;\n\n\t\tfor ( let i = 0, l = renderList.length; i < l; i ++ ) {\n\n\t\t\tconst renderItem = renderList[ i ];\n\n\t\t\tconst object = renderItem.object;\n\t\t\tconst geometry = renderItem.geometry;\n\t\t\tconst material = overrideMaterial === null ? renderItem.material : overrideMaterial;\n\t\t\tconst group = renderItem.group;\n\n\t\t\tif ( object.layers.test( camera.layers ) ) {\n\n\t\t\t\trenderObject( object, scene, camera, geometry, material, group );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction renderObject( object, scene, camera, geometry, material, group ) {\n\n\t\tobject.onBeforeRender( _this, scene, camera, geometry, material, group );\n\n\t\tobject.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld );\n\t\tobject.normalMatrix.getNormalMatrix( object.modelViewMatrix );\n\n\t\tmaterial.onBeforeRender( _this, scene, camera, geometry, object, group );\n\n\t\tif ( material.transparent === true && material.side === DoubleSide ) {\n\n\t\t\tmaterial.side = BackSide;\n\t\t\tmaterial.needsUpdate = true;\n\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t\tmaterial.side = FrontSide;\n\t\t\tmaterial.needsUpdate = true;\n\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t\tmaterial.side = DoubleSide;\n\n\t\t} else {\n\n\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t}\n\n\t\tobject.onAfterRender( _this, scene, camera, geometry, material, group );\n\n\t}\n\n\tfunction getProgram( material, scene, object ) {\n\n\t\tif ( scene.isScene !== true ) scene = _emptyScene; // scene could be a Mesh, Line, Points, ...\n\n\t\tconst materialProperties = properties.get( material );\n\n\t\tconst lights = currentRenderState.state.lights;\n\t\tconst shadowsArray = currentRenderState.state.shadowsArray;\n\n\t\tconst lightsStateVersion = lights.state.version;\n\n\t\tconst parameters = programCache.getParameters( material, lights.state, shadowsArray, scene, object );\n\t\tconst programCacheKey = programCache.getProgramCacheKey( parameters );\n\n\t\tlet programs = materialProperties.programs;\n\n\t\t// always update environment and fog - changing these trigger an getProgram call, but it's possible that the program doesn't change\n\n\t\tmaterialProperties.environment = material.isMeshStandardMaterial ? scene.environment : null;\n\t\tmaterialProperties.fog = scene.fog;\n\t\tmaterialProperties.envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || materialProperties.environment );\n\n\t\tif ( programs === undefined ) {\n\n\t\t\t// new material\n\n\t\t\tmaterial.addEventListener( 'dispose', onMaterialDispose );\n\n\t\t\tprograms = new Map();\n\t\t\tmaterialProperties.programs = programs;\n\n\t\t}\n\n\t\tlet program = programs.get( programCacheKey );\n\n\t\tif ( program !== undefined ) {\n\n\t\t\t// early out if program and light state is identical\n\n\t\t\tif ( materialProperties.currentProgram === program && materialProperties.lightsStateVersion === lightsStateVersion ) {\n\n\t\t\t\tupdateCommonMaterialProperties( material, parameters );\n\n\t\t\t\treturn program;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tparameters.uniforms = programCache.getUniforms( material );\n\n\t\t\tmaterial.onBuild( object, parameters, _this );\n\n\t\t\tmaterial.onBeforeCompile( parameters, _this );\n\n\t\t\tprogram = programCache.acquireProgram( parameters, programCacheKey );\n\t\t\tprograms.set( programCacheKey, program );\n\n\t\t\tmaterialProperties.uniforms = parameters.uniforms;\n\n\t\t}\n\n\t\tconst uniforms = materialProperties.uniforms;\n\n\t\tif ( ( ! material.isShaderMaterial && ! material.isRawShaderMaterial ) || material.clipping === true ) {\n\n\t\t\tuniforms.clippingPlanes = clipping.uniform;\n\n\t\t}\n\n\t\tupdateCommonMaterialProperties( material, parameters );\n\n\t\t// store the light setup it was created for\n\n\t\tmaterialProperties.needsLights = materialNeedsLights( material );\n\t\tmaterialProperties.lightsStateVersion = lightsStateVersion;\n\n\t\tif ( materialProperties.needsLights ) {\n\n\t\t\t// wire up the material to this renderer's lighting state\n\n\t\t\tuniforms.ambientLightColor.value = lights.state.ambient;\n\t\t\tuniforms.lightProbe.value = lights.state.probe;\n\t\t\tuniforms.directionalLights.value = lights.state.directional;\n\t\t\tuniforms.directionalLightShadows.value = lights.state.directionalShadow;\n\t\t\tuniforms.spotLights.value = lights.state.spot;\n\t\t\tuniforms.spotLightShadows.value = lights.state.spotShadow;\n\t\t\tuniforms.rectAreaLights.value = lights.state.rectArea;\n\t\t\tuniforms.ltc_1.value = lights.state.rectAreaLTC1;\n\t\t\tuniforms.ltc_2.value = lights.state.rectAreaLTC2;\n\t\t\tuniforms.pointLights.value = lights.state.point;\n\t\t\tuniforms.pointLightShadows.value = lights.state.pointShadow;\n\t\t\tuniforms.hemisphereLights.value = lights.state.hemi;\n\n\t\t\tuniforms.directionalShadowMap.value = lights.state.directionalShadowMap;\n\t\t\tuniforms.directionalShadowMatrix.value = lights.state.directionalShadowMatrix;\n\t\t\tuniforms.spotShadowMap.value = lights.state.spotShadowMap;\n\t\t\tuniforms.spotShadowMatrix.value = lights.state.spotShadowMatrix;\n\t\t\tuniforms.pointShadowMap.value = lights.state.pointShadowMap;\n\t\t\tuniforms.pointShadowMatrix.value = lights.state.pointShadowMatrix;\n\t\t\t// TODO (abelnation): add area lights shadow info to uniforms\n\n\t\t}\n\n\t\tconst progUniforms = program.getUniforms();\n\t\tconst uniformsList = WebGLUniforms.seqWithValue( progUniforms.seq, uniforms );\n\n\t\tmaterialProperties.currentProgram = program;\n\t\tmaterialProperties.uniformsList = uniformsList;\n\n\t\treturn program;\n\n\t}\n\n\tfunction updateCommonMaterialProperties( material, parameters ) {\n\n\t\tconst materialProperties = properties.get( material );\n\n\t\tmaterialProperties.outputEncoding = parameters.outputEncoding;\n\t\tmaterialProperties.instancing = parameters.instancing;\n\t\tmaterialProperties.skinning = parameters.skinning;\n\t\tmaterialProperties.morphTargets = parameters.morphTargets;\n\t\tmaterialProperties.morphNormals = parameters.morphNormals;\n\t\tmaterialProperties.morphTargetsCount = parameters.morphTargetsCount;\n\t\tmaterialProperties.numClippingPlanes = parameters.numClippingPlanes;\n\t\tmaterialProperties.numIntersection = parameters.numClipIntersection;\n\t\tmaterialProperties.vertexAlphas = parameters.vertexAlphas;\n\t\tmaterialProperties.vertexTangents = parameters.vertexTangents;\n\n\t}\n\n\tfunction setProgram( camera, scene, geometry, material, object ) {\n\n\t\tif ( scene.isScene !== true ) scene = _emptyScene; // scene could be a Mesh, Line, Points, ...\n\n\t\ttextures.resetTextureUnits();\n\n\t\tconst fog = scene.fog;\n\t\tconst environment = material.isMeshStandardMaterial ? scene.environment : null;\n\t\tconst encoding = ( _currentRenderTarget === null ) ? _this.outputEncoding : _currentRenderTarget.texture.encoding;\n\t\tconst envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || environment );\n\t\tconst vertexAlphas = material.vertexColors === true && !! geometry.attributes.color && geometry.attributes.color.itemSize === 4;\n\t\tconst vertexTangents = !! material.normalMap && !! geometry.attributes.tangent;\n\t\tconst morphTargets = !! geometry.morphAttributes.position;\n\t\tconst morphNormals = !! geometry.morphAttributes.normal;\n\t\tconst morphTargetsCount = !! geometry.morphAttributes.position ? geometry.morphAttributes.position.length : 0;\n\n\t\tconst materialProperties = properties.get( material );\n\t\tconst lights = currentRenderState.state.lights;\n\n\t\tif ( _clippingEnabled === true ) {\n\n\t\t\tif ( _localClippingEnabled === true || camera !== _currentCamera ) {\n\n\t\t\t\tconst useCache =\n\t\t\t\t\tcamera === _currentCamera &&\n\t\t\t\t\tmaterial.id === _currentMaterialId;\n\n\t\t\t\t// we might want to call this function with some ClippingGroup\n\t\t\t\t// object instead of the material, once it becomes feasible\n\t\t\t\t// (#8465, #8379)\n\t\t\t\tclipping.setState( material, camera, useCache );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tlet needsProgramChange = false;\n\n\t\tif ( material.version === materialProperties.__version ) {\n\n\t\t\tif ( materialProperties.needsLights && ( materialProperties.lightsStateVersion !== lights.state.version ) ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.outputEncoding !== encoding ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( object.isInstancedMesh && materialProperties.instancing === false ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( ! object.isInstancedMesh && materialProperties.instancing === true ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( object.isSkinnedMesh && materialProperties.skinning === false ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( ! object.isSkinnedMesh && materialProperties.skinning === true ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.envMap !== envMap ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( material.fog && materialProperties.fog !== fog ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.numClippingPlanes !== undefined &&\n\t\t\t\t( materialProperties.numClippingPlanes !== clipping.numPlanes ||\n\t\t\t\tmaterialProperties.numIntersection !== clipping.numIntersection ) ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.vertexAlphas !== vertexAlphas ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.vertexTangents !== vertexTangents ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.morphTargets !== morphTargets ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( materialProperties.morphNormals !== morphNormals ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t} else if ( capabilities.isWebGL2 === true && materialProperties.morphTargetsCount !== morphTargetsCount ) {\n\n\t\t\t\tneedsProgramChange = true;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tneedsProgramChange = true;\n\t\t\tmaterialProperties.__version = material.version;\n\n\t\t}\n\n\t\t//\n\n\t\tlet program = materialProperties.currentProgram;\n\n\t\tif ( needsProgramChange === true ) {\n\n\t\t\tprogram = getProgram( material, scene, object );\n\n\t\t}\n\n\t\tlet refreshProgram = false;\n\t\tlet refreshMaterial = false;\n\t\tlet refreshLights = false;\n\n\t\tconst p_uniforms = program.getUniforms(),\n\t\t\tm_uniforms = materialProperties.uniforms;\n\n\t\tif ( state.useProgram( program.program ) ) {\n\n\t\t\trefreshProgram = true;\n\t\t\trefreshMaterial = true;\n\t\t\trefreshLights = true;\n\n\t\t}\n\n\t\tif ( material.id !== _currentMaterialId ) {\n\n\t\t\t_currentMaterialId = material.id;\n\n\t\t\trefreshMaterial = true;\n\n\t\t}\n\n\t\tif ( refreshProgram || _currentCamera !== camera ) {\n\n\t\t\tp_uniforms.setValue( _gl, 'projectionMatrix', camera.projectionMatrix );\n\n\t\t\tif ( capabilities.logarithmicDepthBuffer ) {\n\n\t\t\t\tp_uniforms.setValue( _gl, 'logDepthBufFC',\n\t\t\t\t\t2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) );\n\n\t\t\t}\n\n\t\t\tif ( _currentCamera !== camera ) {\n\n\t\t\t\t_currentCamera = camera;\n\n\t\t\t\t// lighting uniforms depend on the camera so enforce an update\n\t\t\t\t// now, in case this material supports lights - or later, when\n\t\t\t\t// the next material that does gets activated:\n\n\t\t\t\trefreshMaterial = true;\t\t// set to true on material change\n\t\t\t\trefreshLights = true;\t\t// remains set until update done\n\n\t\t\t}\n\n\t\t\t// load material specific uniforms\n\t\t\t// (shader material also gets them for the sake of genericity)\n\n\t\t\tif ( material.isShaderMaterial ||\n\t\t\t\tmaterial.isMeshPhongMaterial ||\n\t\t\t\tmaterial.isMeshToonMaterial ||\n\t\t\t\tmaterial.isMeshStandardMaterial ||\n\t\t\t\tmaterial.envMap ) {\n\n\t\t\t\tconst uCamPos = p_uniforms.map.cameraPosition;\n\n\t\t\t\tif ( uCamPos !== undefined ) {\n\n\t\t\t\t\tuCamPos.setValue( _gl,\n\t\t\t\t\t\t_vector3.setFromMatrixPosition( camera.matrixWorld ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( material.isMeshPhongMaterial ||\n\t\t\t\tmaterial.isMeshToonMaterial ||\n\t\t\t\tmaterial.isMeshLambertMaterial ||\n\t\t\t\tmaterial.isMeshBasicMaterial ||\n\t\t\t\tmaterial.isMeshStandardMaterial ||\n\t\t\t\tmaterial.isShaderMaterial ) {\n\n\t\t\t\tp_uniforms.setValue( _gl, 'isOrthographic', camera.isOrthographicCamera === true );\n\n\t\t\t}\n\n\t\t\tif ( material.isMeshPhongMaterial ||\n\t\t\t\tmaterial.isMeshToonMaterial ||\n\t\t\t\tmaterial.isMeshLambertMaterial ||\n\t\t\t\tmaterial.isMeshBasicMaterial ||\n\t\t\t\tmaterial.isMeshStandardMaterial ||\n\t\t\t\tmaterial.isShaderMaterial ||\n\t\t\t\tmaterial.isShadowMaterial ||\n\t\t\t\tobject.isSkinnedMesh ) {\n\n\t\t\t\tp_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// skinning and morph target uniforms must be set even if material didn't change\n\t\t// auto-setting of texture unit for bone and morph texture must go before other textures\n\t\t// otherwise textures used for skinning and morphing can take over texture units reserved for other material textures\n\n\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrix' );\n\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrixInverse' );\n\n\t\t\tconst skeleton = object.skeleton;\n\n\t\t\tif ( skeleton ) {\n\n\t\t\t\tif ( capabilities.floatVertexTextures ) {\n\n\t\t\t\t\tif ( skeleton.boneTexture === null ) skeleton.computeBoneTexture();\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'boneTexture', skeleton.boneTexture, textures );\n\t\t\t\t\tp_uniforms.setValue( _gl, 'boneTextureSize', skeleton.boneTextureSize );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tp_uniforms.setOptional( _gl, skeleton, 'boneMatrices' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( !! geometry && ( geometry.morphAttributes.position !== undefined || geometry.morphAttributes.normal !== undefined ) ) {\n\n\t\t\tmorphtargets.update( object, geometry, material, program );\n\n\t\t}\n\n\n\t\tif ( refreshMaterial || materialProperties.receiveShadow !== object.receiveShadow ) {\n\n\t\t\tmaterialProperties.receiveShadow = object.receiveShadow;\n\t\t\tp_uniforms.setValue( _gl, 'receiveShadow', object.receiveShadow );\n\n\t\t}\n\n\t\tif ( refreshMaterial ) {\n\n\t\t\tp_uniforms.setValue( _gl, 'toneMappingExposure', _this.toneMappingExposure );\n\n\t\t\tif ( materialProperties.needsLights ) {\n\n\t\t\t\t// the current material requires lighting info\n\n\t\t\t\t// note: all lighting uniforms are always set correctly\n\t\t\t\t// they simply reference the renderer's state for their\n\t\t\t\t// values\n\t\t\t\t//\n\t\t\t\t// use the current material's .needsUpdate flags to set\n\t\t\t\t// the GL state when required\n\n\t\t\t\tmarkUniformsLightsNeedsUpdate( m_uniforms, refreshLights );\n\n\t\t\t}\n\n\t\t\t// refresh uniforms common to several materials\n\n\t\t\tif ( fog && material.fog ) {\n\n\t\t\t\tmaterials.refreshFogUniforms( m_uniforms, fog );\n\n\t\t\t}\n\n\t\t\tmaterials.refreshMaterialUniforms( m_uniforms, material, _pixelRatio, _height, _transmissionRenderTarget );\n\n\t\t\tWebGLUniforms.upload( _gl, materialProperties.uniformsList, m_uniforms, textures );\n\n\t\t}\n\n\t\tif ( material.isShaderMaterial && material.uniformsNeedUpdate === true ) {\n\n\t\t\tWebGLUniforms.upload( _gl, materialProperties.uniformsList, m_uniforms, textures );\n\t\t\tmaterial.uniformsNeedUpdate = false;\n\n\t\t}\n\n\t\tif ( material.isSpriteMaterial ) {\n\n\t\t\tp_uniforms.setValue( _gl, 'center', object.center );\n\n\t\t}\n\n\t\t// common matrices\n\n\t\tp_uniforms.setValue( _gl, 'modelViewMatrix', object.modelViewMatrix );\n\t\tp_uniforms.setValue( _gl, 'normalMatrix', object.normalMatrix );\n\t\tp_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld );\n\n\t\treturn program;\n\n\t}\n\n\t// If uniforms are marked as clean, they don't need to be loaded to the GPU.\n\n\tfunction markUniformsLightsNeedsUpdate( uniforms, value ) {\n\n\t\tuniforms.ambientLightColor.needsUpdate = value;\n\t\tuniforms.lightProbe.needsUpdate = value;\n\n\t\tuniforms.directionalLights.needsUpdate = value;\n\t\tuniforms.directionalLightShadows.needsUpdate = value;\n\t\tuniforms.pointLights.needsUpdate = value;\n\t\tuniforms.pointLightShadows.needsUpdate = value;\n\t\tuniforms.spotLights.needsUpdate = value;\n\t\tuniforms.spotLightShadows.needsUpdate = value;\n\t\tuniforms.rectAreaLights.needsUpdate = value;\n\t\tuniforms.hemisphereLights.needsUpdate = value;\n\n\t}\n\n\tfunction materialNeedsLights( material ) {\n\n\t\treturn material.isMeshLambertMaterial || material.isMeshToonMaterial || material.isMeshPhongMaterial ||\n\t\t\tmaterial.isMeshStandardMaterial || material.isShadowMaterial ||\n\t\t\t( material.isShaderMaterial && material.lights === true );\n\n\t}\n\n\tthis.getActiveCubeFace = function () {\n\n\t\treturn _currentActiveCubeFace;\n\n\t};\n\n\tthis.getActiveMipmapLevel = function () {\n\n\t\treturn _currentActiveMipmapLevel;\n\n\t};\n\n\tthis.getRenderTarget = function () {\n\n\t\treturn _currentRenderTarget;\n\n\t};\n\n\tthis.setRenderTargetTextures = function ( renderTarget, colorTexture, depthTexture ) {\n\n\t\tproperties.get( renderTarget.texture ).__webglTexture = colorTexture;\n\t\tproperties.get( renderTarget.depthTexture ).__webglTexture = depthTexture;\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\trenderTargetProperties.__hasExternalTextures = true;\n\n\t\tif ( renderTargetProperties.__hasExternalTextures ) {\n\n\t\t\trenderTargetProperties.__autoAllocateDepthBuffer = depthTexture === undefined;\n\n\t\t\tif ( ! renderTargetProperties.__autoAllocateDepthBuffer ) {\n\n\t\t\t\t// The multisample_render_to_texture extension doesn't work properly if there\n\t\t\t\t// are midframe flushes and an external depth buffer. Disable use of the extension.\n\t\t\t\tif ( renderTarget.useRenderToTexture ) {\n\n\t\t\t\t\tconsole.warn( 'render-to-texture extension was disabled because an external texture was provided' );\n\t\t\t\t\trenderTarget.useRenderToTexture = false;\n\t\t\t\t\trenderTarget.useRenderbuffer = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tthis.setRenderTargetFramebuffer = function ( renderTarget, defaultFramebuffer ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\trenderTargetProperties.__webglFramebuffer = defaultFramebuffer;\n\t\trenderTargetProperties.__useDefaultFramebuffer = defaultFramebuffer === undefined;\n\n\t};\n\n\tthis.setRenderTarget = function ( renderTarget, activeCubeFace = 0, activeMipmapLevel = 0 ) {\n\n\t\t_currentRenderTarget = renderTarget;\n\t\t_currentActiveCubeFace = activeCubeFace;\n\t\t_currentActiveMipmapLevel = activeMipmapLevel;\n\t\tlet useDefaultFramebuffer = true;\n\n\t\tif ( renderTarget ) {\n\n\t\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\t\tif ( renderTargetProperties.__useDefaultFramebuffer !== undefined ) {\n\n\t\t\t\t// We need to make sure to rebind the framebuffer.\n\t\t\t\tstate.bindFramebuffer( 36160, null );\n\t\t\t\tuseDefaultFramebuffer = false;\n\n\t\t\t} else if ( renderTargetProperties.__webglFramebuffer === undefined ) {\n\n\t\t\t\ttextures.setupRenderTarget( renderTarget );\n\n\t\t\t} else if ( renderTargetProperties.__hasExternalTextures ) {\n\n\t\t\t\t// Color and depth texture must be rebound in order for the swapchain to update.\n\t\t\t\ttextures.rebindTextures( renderTarget, properties.get( renderTarget.texture ).__webglTexture, properties.get( renderTarget.depthTexture ).__webglTexture );\n\n\t\t\t}\n\n\t\t}\n\n\t\tlet framebuffer = null;\n\t\tlet isCube = false;\n\t\tlet isRenderTarget3D = false;\n\n\t\tif ( renderTarget ) {\n\n\t\t\tconst texture = renderTarget.texture;\n\n\t\t\tif ( texture.isDataTexture3D || texture.isDataTexture2DArray ) {\n\n\t\t\t\tisRenderTarget3D = true;\n\n\t\t\t}\n\n\t\t\tconst __webglFramebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\t\tif ( renderTarget.isWebGLCubeRenderTarget ) {\n\n\t\t\t\tframebuffer = __webglFramebuffer[ activeCubeFace ];\n\t\t\t\tisCube = true;\n\n\t\t\t} else if ( renderTarget.useRenderbuffer ) {\n\n\t\t\t\tframebuffer = properties.get( renderTarget ).__webglMultisampledFramebuffer;\n\n\t\t\t} else {\n\n\t\t\t\tframebuffer = __webglFramebuffer;\n\n\t\t\t}\n\n\t\t\t_currentViewport.copy( renderTarget.viewport );\n\t\t\t_currentScissor.copy( renderTarget.scissor );\n\t\t\t_currentScissorTest = renderTarget.scissorTest;\n\n\t\t} else {\n\n\t\t\t_currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).floor();\n\t\t\t_currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).floor();\n\t\t\t_currentScissorTest = _scissorTest;\n\n\t\t}\n\n\t\tconst framebufferBound = state.bindFramebuffer( 36160, framebuffer );\n\n\t\tif ( framebufferBound && capabilities.drawBuffers && useDefaultFramebuffer ) {\n\n\t\t\tlet needsUpdate = false;\n\n\t\t\tif ( renderTarget ) {\n\n\t\t\t\tif ( renderTarget.isWebGLMultipleRenderTargets ) {\n\n\t\t\t\t\tconst textures = renderTarget.texture;\n\n\t\t\t\t\tif ( _currentDrawBuffers.length !== textures.length || _currentDrawBuffers[ 0 ] !== 36064 ) {\n\n\t\t\t\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\t_currentDrawBuffers[ i ] = 36064 + i;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t_currentDrawBuffers.length = textures.length;\n\n\t\t\t\t\t\tneedsUpdate = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( _currentDrawBuffers.length !== 1 || _currentDrawBuffers[ 0 ] !== 36064 ) {\n\n\t\t\t\t\t\t_currentDrawBuffers[ 0 ] = 36064;\n\t\t\t\t\t\t_currentDrawBuffers.length = 1;\n\n\t\t\t\t\t\tneedsUpdate = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( _currentDrawBuffers.length !== 1 || _currentDrawBuffers[ 0 ] !== 1029 ) {\n\n\t\t\t\t\t_currentDrawBuffers[ 0 ] = 1029;\n\t\t\t\t\t_currentDrawBuffers.length = 1;\n\n\t\t\t\t\tneedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( needsUpdate ) {\n\n\t\t\t\tif ( capabilities.isWebGL2 ) {\n\n\t\t\t\t\t_gl.drawBuffers( _currentDrawBuffers );\n\n\t\t\t\t} else {\n\n\t\t\t\t\textensions.get( 'WEBGL_draw_buffers' ).drawBuffersWEBGL( _currentDrawBuffers );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.viewport( _currentViewport );\n\t\tstate.scissor( _currentScissor );\n\t\tstate.setScissorTest( _currentScissorTest );\n\n\t\tif ( isCube ) {\n\n\t\t\tconst textureProperties = properties.get( renderTarget.texture );\n\t\t\t_gl.framebufferTexture2D( 36160, 36064, 34069 + activeCubeFace, textureProperties.__webglTexture, activeMipmapLevel );\n\n\t\t} else if ( isRenderTarget3D ) {\n\n\t\t\tconst textureProperties = properties.get( renderTarget.texture );\n\t\t\tconst layer = activeCubeFace || 0;\n\t\t\t_gl.framebufferTextureLayer( 36160, 36064, textureProperties.__webglTexture, activeMipmapLevel || 0, layer );\n\n\t\t}\n\n\t\t_currentMaterialId = - 1; // reset current material to ensure correct uniform bindings\n\n\t};\n\n\tthis.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer, activeCubeFaceIndex ) {\n\n\t\tif ( ! ( renderTarget && renderTarget.isWebGLRenderTarget ) ) {\n\n\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tlet framebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\tif ( renderTarget.isWebGLCubeRenderTarget && activeCubeFaceIndex !== undefined ) {\n\n\t\t\tframebuffer = framebuffer[ activeCubeFaceIndex ];\n\n\t\t}\n\n\t\tif ( framebuffer ) {\n\n\t\t\tstate.bindFramebuffer( 36160, framebuffer );\n\n\t\t\ttry {\n\n\t\t\t\tconst texture = renderTarget.texture;\n\t\t\t\tconst textureFormat = texture.format;\n\t\t\t\tconst textureType = texture.type;\n\n\t\t\t\tif ( textureFormat !== RGBAFormat && utils.convert( textureFormat ) !== _gl.getParameter( 35739 ) ) {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tconst halfFloatSupportedByExt = ( textureType === HalfFloatType ) && ( extensions.has( 'EXT_color_buffer_half_float' ) || ( capabilities.isWebGL2 && extensions.has( 'EXT_color_buffer_float' ) ) );\n\n\t\t\t\tif ( textureType !== UnsignedByteType && utils.convert( textureType ) !== _gl.getParameter( 35738 ) && // Edge and Chrome Mac < 52 (#9513)\n\t\t\t\t\t! ( textureType === FloatType && ( capabilities.isWebGL2 || extensions.has( 'OES_texture_float' ) || extensions.has( 'WEBGL_color_buffer_float' ) ) ) && // Chrome Mac >= 52 and Firefox\n\t\t\t\t\t! halfFloatSupportedByExt ) {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tif ( _gl.checkFramebufferStatus( 36160 ) === 36053 ) {\n\n\t\t\t\t\t// the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604)\n\n\t\t\t\t\tif ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) {\n\n\t\t\t\t\t\t_gl.readPixels( x, y, width, height, utils.convert( textureFormat ), utils.convert( textureType ), buffer );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.' );\n\n\t\t\t\t}\n\n\t\t\t} finally {\n\n\t\t\t\t// restore framebuffer of current render target if necessary\n\n\t\t\t\tconst framebuffer = ( _currentRenderTarget !== null ) ? properties.get( _currentRenderTarget ).__webglFramebuffer : null;\n\t\t\t\tstate.bindFramebuffer( 36160, framebuffer );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tthis.copyFramebufferToTexture = function ( position, texture, level = 0 ) {\n\n\t\tconst levelScale = Math.pow( 2, - level );\n\t\tconst width = Math.floor( texture.image.width * levelScale );\n\t\tconst height = Math.floor( texture.image.height * levelScale );\n\n\t\tlet glFormat = utils.convert( texture.format );\n\n\t\tif ( capabilities.isWebGL2 ) {\n\n\t\t\t// Workaround for https://bugs.chromium.org/p/chromium/issues/detail?id=1120100\n\t\t\t// Not needed in Chrome 93+\n\n\t\t\tif ( glFormat === 6407 ) glFormat = 32849;\n\t\t\tif ( glFormat === 6408 ) glFormat = 32856;\n\n\t\t}\n\n\t\ttextures.setTexture2D( texture, 0 );\n\n\t\t_gl.copyTexImage2D( 3553, level, glFormat, position.x, position.y, width, height, 0 );\n\n\t\tstate.unbindTexture();\n\n\t};\n\n\tthis.copyTextureToTexture = function ( position, srcTexture, dstTexture, level = 0 ) {\n\n\t\tconst width = srcTexture.image.width;\n\t\tconst height = srcTexture.image.height;\n\t\tconst glFormat = utils.convert( dstTexture.format );\n\t\tconst glType = utils.convert( dstTexture.type );\n\n\t\ttextures.setTexture2D( dstTexture, 0 );\n\n\t\t// As another texture upload may have changed pixelStorei\n\t\t// parameters, make sure they are correct for the dstTexture\n\t\t_gl.pixelStorei( 37440, dstTexture.flipY );\n\t\t_gl.pixelStorei( 37441, dstTexture.premultiplyAlpha );\n\t\t_gl.pixelStorei( 3317, dstTexture.unpackAlignment );\n\n\t\tif ( srcTexture.isDataTexture ) {\n\n\t\t\t_gl.texSubImage2D( 3553, level, position.x, position.y, width, height, glFormat, glType, srcTexture.image.data );\n\n\t\t} else {\n\n\t\t\tif ( srcTexture.isCompressedTexture ) {\n\n\t\t\t\t_gl.compressedTexSubImage2D( 3553, level, position.x, position.y, srcTexture.mipmaps[ 0 ].width, srcTexture.mipmaps[ 0 ].height, glFormat, srcTexture.mipmaps[ 0 ].data );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.texSubImage2D( 3553, level, position.x, position.y, glFormat, glType, srcTexture.image );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Generate mipmaps only when copying level 0\n\t\tif ( level === 0 && dstTexture.generateMipmaps ) _gl.generateMipmap( 3553 );\n\n\t\tstate.unbindTexture();\n\n\t};\n\n\tthis.copyTextureToTexture3D = function ( sourceBox, position, srcTexture, dstTexture, level = 0 ) {\n\n\t\tif ( _this.isWebGL1Renderer ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst width = sourceBox.max.x - sourceBox.min.x + 1;\n\t\tconst height = sourceBox.max.y - sourceBox.min.y + 1;\n\t\tconst depth = sourceBox.max.z - sourceBox.min.z + 1;\n\t\tconst glFormat = utils.convert( dstTexture.format );\n\t\tconst glType = utils.convert( dstTexture.type );\n\t\tlet glTarget;\n\n\t\tif ( dstTexture.isDataTexture3D ) {\n\n\t\t\ttextures.setTexture3D( dstTexture, 0 );\n\t\t\tglTarget = 32879;\n\n\t\t} else if ( dstTexture.isDataTexture2DArray ) {\n\n\t\t\ttextures.setTexture2DArray( dstTexture, 0 );\n\t\t\tglTarget = 35866;\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\t_gl.pixelStorei( 37440, dstTexture.flipY );\n\t\t_gl.pixelStorei( 37441, dstTexture.premultiplyAlpha );\n\t\t_gl.pixelStorei( 3317, dstTexture.unpackAlignment );\n\n\t\tconst unpackRowLen = _gl.getParameter( 3314 );\n\t\tconst unpackImageHeight = _gl.getParameter( 32878 );\n\t\tconst unpackSkipPixels = _gl.getParameter( 3316 );\n\t\tconst unpackSkipRows = _gl.getParameter( 3315 );\n\t\tconst unpackSkipImages = _gl.getParameter( 32877 );\n\n\t\tconst image = srcTexture.isCompressedTexture ? srcTexture.mipmaps[ 0 ] : srcTexture.image;\n\n\t\t_gl.pixelStorei( 3314, image.width );\n\t\t_gl.pixelStorei( 32878, image.height );\n\t\t_gl.pixelStorei( 3316, sourceBox.min.x );\n\t\t_gl.pixelStorei( 3315, sourceBox.min.y );\n\t\t_gl.pixelStorei( 32877, sourceBox.min.z );\n\n\t\tif ( srcTexture.isDataTexture || srcTexture.isDataTexture3D ) {\n\n\t\t\t_gl.texSubImage3D( glTarget, level, position.x, position.y, position.z, width, height, depth, glFormat, glType, image.data );\n\n\t\t} else {\n\n\t\t\tif ( srcTexture.isCompressedTexture ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer.copyTextureToTexture3D: untested support for compressed srcTexture.' );\n\t\t\t\t_gl.compressedTexSubImage3D( glTarget, level, position.x, position.y, position.z, width, height, depth, glFormat, image.data );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.texSubImage3D( glTarget, level, position.x, position.y, position.z, width, height, depth, glFormat, glType, image );\n\n\t\t\t}\n\n\t\t}\n\n\t\t_gl.pixelStorei( 3314, unpackRowLen );\n\t\t_gl.pixelStorei( 32878, unpackImageHeight );\n\t\t_gl.pixelStorei( 3316, unpackSkipPixels );\n\t\t_gl.pixelStorei( 3315, unpackSkipRows );\n\t\t_gl.pixelStorei( 32877, unpackSkipImages );\n\n\t\t// Generate mipmaps only when copying level 0\n\t\tif ( level === 0 && dstTexture.generateMipmaps ) _gl.generateMipmap( glTarget );\n\n\t\tstate.unbindTexture();\n\n\t};\n\n\tthis.initTexture = function ( texture ) {\n\n\t\ttextures.setTexture2D( texture, 0 );\n\n\t\tstate.unbindTexture();\n\n\t};\n\n\tthis.resetState = function () {\n\n\t\t_currentActiveCubeFace = 0;\n\t\t_currentActiveMipmapLevel = 0;\n\t\t_currentRenderTarget = null;\n\n\t\tstate.reset();\n\t\tbindingStates.reset();\n\n\t};\n\n\tif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) ); // eslint-disable-line no-undef\n\n\t}\n\n}\n\nWebGLRenderer.prototype.isWebGLRenderer = true;\n\nclass WebGL1Renderer extends WebGLRenderer {}\n\nWebGL1Renderer.prototype.isWebGL1Renderer = true;\n\nclass FogExp2 {\n\n\tconstructor( color, density = 0.00025 ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\t\tthis.density = density;\n\n\t}\n\n\tclone() {\n\n\t\treturn new FogExp2( this.color, this.density );\n\n\t}\n\n\ttoJSON( /* meta */ ) {\n\n\t\treturn {\n\t\t\ttype: 'FogExp2',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tdensity: this.density\n\t\t};\n\n\t}\n\n}\n\nFogExp2.prototype.isFogExp2 = true;\n\nclass Fog {\n\n\tconstructor( color, near = 1, far = 1000 ) {\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\n\t}\n\n\tclone() {\n\n\t\treturn new Fog( this.color, this.near, this.far );\n\n\t}\n\n\ttoJSON( /* meta */ ) {\n\n\t\treturn {\n\t\t\ttype: 'Fog',\n\t\t\tcolor: this.color.getHex(),\n\t\t\tnear: this.near,\n\t\t\tfar: this.far\n\t\t};\n\n\t}\n\n}\n\nFog.prototype.isFog = true;\n\nclass Scene extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'Scene';\n\n\t\tthis.background = null;\n\t\tthis.environment = null;\n\t\tthis.fog = null;\n\n\t\tthis.overrideMaterial = null;\n\n\t\tthis.autoUpdate = true; // checked by the renderer\n\n\t\tif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t\t\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) ); // eslint-disable-line no-undef\n\n\t\t}\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tif ( source.background !== null ) this.background = source.background.clone();\n\t\tif ( source.environment !== null ) this.environment = source.environment.clone();\n\t\tif ( source.fog !== null ) this.fog = source.fog.clone();\n\n\t\tif ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone();\n\n\t\tthis.autoUpdate = source.autoUpdate;\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tif ( this.fog !== null ) data.object.fog = this.fog.toJSON();\n\n\t\treturn data;\n\n\t}\n\n}\n\nScene.prototype.isScene = true;\n\nclass InterleavedBuffer {\n\n\tconstructor( array, stride ) {\n\n\t\tthis.array = array;\n\t\tthis.stride = stride;\n\t\tthis.count = array !== undefined ? array.length / stride : 0;\n\n\t\tthis.usage = StaticDrawUsage;\n\t\tthis.updateRange = { offset: 0, count: - 1 };\n\n\t\tthis.version = 0;\n\n\t\tthis.uuid = generateUUID();\n\n\t}\n\n\tonUploadCallback() {}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tsetUsage( value ) {\n\n\t\tthis.usage = value;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.array = new source.array.constructor( source.array );\n\t\tthis.count = source.count;\n\t\tthis.stride = source.stride;\n\t\tthis.usage = source.usage;\n\n\t\treturn this;\n\n\t}\n\n\tcopyAt( index1, attribute, index2 ) {\n\n\t\tindex1 *= this.stride;\n\t\tindex2 *= attribute.stride;\n\n\t\tfor ( let i = 0, l = this.stride; i < l; i ++ ) {\n\n\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tset( value, offset = 0 ) {\n\n\t\tthis.array.set( value, offset );\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tif ( data.arrayBuffers === undefined ) {\n\n\t\t\tdata.arrayBuffers = {};\n\n\t\t}\n\n\t\tif ( this.array.buffer._uuid === undefined ) {\n\n\t\t\tthis.array.buffer._uuid = generateUUID();\n\n\t\t}\n\n\t\tif ( data.arrayBuffers[ this.array.buffer._uuid ] === undefined ) {\n\n\t\t\tdata.arrayBuffers[ this.array.buffer._uuid ] = this.array.slice( 0 ).buffer;\n\n\t\t}\n\n\t\tconst array = new this.array.constructor( data.arrayBuffers[ this.array.buffer._uuid ] );\n\n\t\tconst ib = new this.constructor( array, this.stride );\n\t\tib.setUsage( this.usage );\n\n\t\treturn ib;\n\n\t}\n\n\tonUpload( callback ) {\n\n\t\tthis.onUploadCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tif ( data.arrayBuffers === undefined ) {\n\n\t\t\tdata.arrayBuffers = {};\n\n\t\t}\n\n\t\t// generate UUID for array buffer if necessary\n\n\t\tif ( this.array.buffer._uuid === undefined ) {\n\n\t\t\tthis.array.buffer._uuid = generateUUID();\n\n\t\t}\n\n\t\tif ( data.arrayBuffers[ this.array.buffer._uuid ] === undefined ) {\n\n\t\t\tdata.arrayBuffers[ this.array.buffer._uuid ] = Array.prototype.slice.call( new Uint32Array( this.array.buffer ) );\n\n\t\t}\n\n\t\t//\n\n\t\treturn {\n\t\t\tuuid: this.uuid,\n\t\t\tbuffer: this.array.buffer._uuid,\n\t\t\ttype: this.array.constructor.name,\n\t\t\tstride: this.stride\n\t\t};\n\n\t}\n\n}\n\nInterleavedBuffer.prototype.isInterleavedBuffer = true;\n\nconst _vector$6 = /*@__PURE__*/ new Vector3();\n\nclass InterleavedBufferAttribute {\n\n\tconstructor( interleavedBuffer, itemSize, offset, normalized = false ) {\n\n\t\tthis.name = '';\n\n\t\tthis.data = interleavedBuffer;\n\t\tthis.itemSize = itemSize;\n\t\tthis.offset = offset;\n\n\t\tthis.normalized = normalized === true;\n\n\t}\n\n\tget count() {\n\n\t\treturn this.data.count;\n\n\t}\n\n\tget array() {\n\n\t\treturn this.data.array;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tthis.data.needsUpdate = value;\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tfor ( let i = 0, l = this.data.count; i < l; i ++ ) {\n\n\t\t\t_vector$6.x = this.getX( i );\n\t\t\t_vector$6.y = this.getY( i );\n\t\t\t_vector$6.z = this.getZ( i );\n\n\t\t\t_vector$6.applyMatrix4( m );\n\n\t\t\tthis.setXYZ( i, _vector$6.x, _vector$6.y, _vector$6.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyNormalMatrix( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$6.x = this.getX( i );\n\t\t\t_vector$6.y = this.getY( i );\n\t\t\t_vector$6.z = this.getZ( i );\n\n\t\t\t_vector$6.applyNormalMatrix( m );\n\n\t\t\tthis.setXYZ( i, _vector$6.x, _vector$6.y, _vector$6.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttransformDirection( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$6.x = this.getX( i );\n\t\t\t_vector$6.y = this.getY( i );\n\t\t\t_vector$6.z = this.getZ( i );\n\n\t\t\t_vector$6.transformDirection( m );\n\n\t\t\tthis.setXYZ( i, _vector$6.x, _vector$6.y, _vector$6.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetX( index, x ) {\n\n\t\tthis.data.array[ index * this.data.stride + this.offset ] = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( index, y ) {\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetZ( index, z ) {\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetW( index, w ) {\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tgetX( index ) {\n\n\t\treturn this.data.array[ index * this.data.stride + this.offset ];\n\n\t}\n\n\tgetY( index ) {\n\n\t\treturn this.data.array[ index * this.data.stride + this.offset + 1 ];\n\n\t}\n\n\tgetZ( index ) {\n\n\t\treturn this.data.array[ index * this.data.stride + this.offset + 2 ];\n\n\t}\n\n\tgetW( index ) {\n\n\t\treturn this.data.array[ index * this.data.stride + this.offset + 3 ];\n\n\t}\n\n\tsetXY( index, x, y ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZ( index, x, y, z ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\t\tthis.data.array[ index + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZW( index, x, y, z, w ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\t\tthis.data.array[ index + 2 ] = z;\n\t\tthis.data.array[ index + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tif ( data === undefined ) {\n\n\t\t\tconsole.log( 'THREE.InterleavedBufferAttribute.clone(): Cloning an interlaved buffer attribute will deinterleave buffer data.' );\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0; i < this.count; i ++ ) {\n\n\t\t\t\tconst index = i * this.data.stride + this.offset;\n\n\t\t\t\tfor ( let j = 0; j < this.itemSize; j ++ ) {\n\n\t\t\t\t\tarray.push( this.data.array[ index + j ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn new BufferAttribute( new this.array.constructor( array ), this.itemSize, this.normalized );\n\n\t\t} else {\n\n\t\t\tif ( data.interleavedBuffers === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers = {};\n\n\t\t\t}\n\n\t\t\tif ( data.interleavedBuffers[ this.data.uuid ] === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers[ this.data.uuid ] = this.data.clone( data );\n\n\t\t\t}\n\n\t\t\treturn new InterleavedBufferAttribute( data.interleavedBuffers[ this.data.uuid ], this.itemSize, this.offset, this.normalized );\n\n\t\t}\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tif ( data === undefined ) {\n\n\t\t\tconsole.log( 'THREE.InterleavedBufferAttribute.toJSON(): Serializing an interlaved buffer attribute will deinterleave buffer data.' );\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0; i < this.count; i ++ ) {\n\n\t\t\t\tconst index = i * this.data.stride + this.offset;\n\n\t\t\t\tfor ( let j = 0; j < this.itemSize; j ++ ) {\n\n\t\t\t\t\tarray.push( this.data.array[ index + j ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// deinterleave data and save it as an ordinary buffer attribute for now\n\n\t\t\treturn {\n\t\t\t\titemSize: this.itemSize,\n\t\t\t\ttype: this.array.constructor.name,\n\t\t\t\tarray: array,\n\t\t\t\tnormalized: this.normalized\n\t\t\t};\n\n\t\t} else {\n\n\t\t\t// save as true interlaved attribtue\n\n\t\t\tif ( data.interleavedBuffers === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers = {};\n\n\t\t\t}\n\n\t\t\tif ( data.interleavedBuffers[ this.data.uuid ] === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers[ this.data.uuid ] = this.data.toJSON( data );\n\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\tisInterleavedBufferAttribute: true,\n\t\t\t\titemSize: this.itemSize,\n\t\t\t\tdata: this.data.uuid,\n\t\t\t\toffset: this.offset,\n\t\t\t\tnormalized: this.normalized\n\t\t\t};\n\n\t\t}\n\n\t}\n\n}\n\nInterleavedBufferAttribute.prototype.isInterleavedBufferAttribute = true;\n\n/**\n * parameters = {\n * color: ,\n * map: new THREE.Texture( ),\n * alphaMap: new THREE.Texture( ),\n * rotation: ,\n * sizeAttenuation: \n * }\n */\n\nclass SpriteMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'SpriteMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.rotation = 0;\n\n\t\tthis.sizeAttenuation = true;\n\n\t\tthis.transparent = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.rotation = source.rotation;\n\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\treturn this;\n\n\t}\n\n}\n\nSpriteMaterial.prototype.isSpriteMaterial = true;\n\nlet _geometry;\n\nconst _intersectPoint = /*@__PURE__*/ new Vector3();\nconst _worldScale = /*@__PURE__*/ new Vector3();\nconst _mvPosition = /*@__PURE__*/ new Vector3();\n\nconst _alignedPosition = /*@__PURE__*/ new Vector2();\nconst _rotatedPosition = /*@__PURE__*/ new Vector2();\nconst _viewWorldMatrix = /*@__PURE__*/ new Matrix4();\n\nconst _vA = /*@__PURE__*/ new Vector3();\nconst _vB = /*@__PURE__*/ new Vector3();\nconst _vC = /*@__PURE__*/ new Vector3();\n\nconst _uvA = /*@__PURE__*/ new Vector2();\nconst _uvB = /*@__PURE__*/ new Vector2();\nconst _uvC = /*@__PURE__*/ new Vector2();\n\nclass Sprite extends Object3D {\n\n\tconstructor( material ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Sprite';\n\n\t\tif ( _geometry === undefined ) {\n\n\t\t\t_geometry = new BufferGeometry();\n\n\t\t\tconst float32Array = new Float32Array( [\n\t\t\t\t- 0.5, - 0.5, 0, 0, 0,\n\t\t\t\t0.5, - 0.5, 0, 1, 0,\n\t\t\t\t0.5, 0.5, 0, 1, 1,\n\t\t\t\t- 0.5, 0.5, 0, 0, 1\n\t\t\t] );\n\n\t\t\tconst interleavedBuffer = new InterleavedBuffer( float32Array, 5 );\n\n\t\t\t_geometry.setIndex( [ 0, 1, 2,\t0, 2, 3 ] );\n\t\t\t_geometry.setAttribute( 'position', new InterleavedBufferAttribute( interleavedBuffer, 3, 0, false ) );\n\t\t\t_geometry.setAttribute( 'uv', new InterleavedBufferAttribute( interleavedBuffer, 2, 3, false ) );\n\n\t\t}\n\n\t\tthis.geometry = _geometry;\n\t\tthis.material = ( material !== undefined ) ? material : new SpriteMaterial();\n\n\t\tthis.center = new Vector2( 0.5, 0.5 );\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tif ( raycaster.camera === null ) {\n\n\t\t\tconsole.error( 'THREE.Sprite: \"Raycaster.camera\" needs to be set in order to raycast against sprites.' );\n\n\t\t}\n\n\t\t_worldScale.setFromMatrixScale( this.matrixWorld );\n\n\t\t_viewWorldMatrix.copy( raycaster.camera.matrixWorld );\n\t\tthis.modelViewMatrix.multiplyMatrices( raycaster.camera.matrixWorldInverse, this.matrixWorld );\n\n\t\t_mvPosition.setFromMatrixPosition( this.modelViewMatrix );\n\n\t\tif ( raycaster.camera.isPerspectiveCamera && this.material.sizeAttenuation === false ) {\n\n\t\t\t_worldScale.multiplyScalar( - _mvPosition.z );\n\n\t\t}\n\n\t\tconst rotation = this.material.rotation;\n\t\tlet sin, cos;\n\n\t\tif ( rotation !== 0 ) {\n\n\t\t\tcos = Math.cos( rotation );\n\t\t\tsin = Math.sin( rotation );\n\n\t\t}\n\n\t\tconst center = this.center;\n\n\t\ttransformVertex( _vA.set( - 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\ttransformVertex( _vB.set( 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\ttransformVertex( _vC.set( 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\n\t\t_uvA.set( 0, 0 );\n\t\t_uvB.set( 1, 0 );\n\t\t_uvC.set( 1, 1 );\n\n\t\t// check first triangle\n\t\tlet intersect = raycaster.ray.intersectTriangle( _vA, _vB, _vC, false, _intersectPoint );\n\n\t\tif ( intersect === null ) {\n\n\t\t\t// check second triangle\n\t\t\ttransformVertex( _vB.set( - 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\t\t_uvB.set( 0, 1 );\n\n\t\t\tintersect = raycaster.ray.intersectTriangle( _vA, _vC, _vB, false, _intersectPoint );\n\t\t\tif ( intersect === null ) {\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst distance = raycaster.ray.origin.distanceTo( _intersectPoint );\n\n\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\tintersects.push( {\n\n\t\t\tdistance: distance,\n\t\t\tpoint: _intersectPoint.clone(),\n\t\t\tuv: Triangle.getUV( _intersectPoint, _vA, _vB, _vC, _uvA, _uvB, _uvC, new Vector2() ),\n\t\t\tface: null,\n\t\t\tobject: this\n\n\t\t} );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tif ( source.center !== undefined ) this.center.copy( source.center );\n\n\t\tthis.material = source.material;\n\n\t\treturn this;\n\n\t}\n\n}\n\nSprite.prototype.isSprite = true;\n\nfunction transformVertex( vertexPosition, mvPosition, center, scale, sin, cos ) {\n\n\t// compute position in camera space\n\t_alignedPosition.subVectors( vertexPosition, center ).addScalar( 0.5 ).multiply( scale );\n\n\t// to check if rotation is not zero\n\tif ( sin !== undefined ) {\n\n\t\t_rotatedPosition.x = ( cos * _alignedPosition.x ) - ( sin * _alignedPosition.y );\n\t\t_rotatedPosition.y = ( sin * _alignedPosition.x ) + ( cos * _alignedPosition.y );\n\n\t} else {\n\n\t\t_rotatedPosition.copy( _alignedPosition );\n\n\t}\n\n\n\tvertexPosition.copy( mvPosition );\n\tvertexPosition.x += _rotatedPosition.x;\n\tvertexPosition.y += _rotatedPosition.y;\n\n\t// transform to world space\n\tvertexPosition.applyMatrix4( _viewWorldMatrix );\n\n}\n\nconst _v1$2 = /*@__PURE__*/ new Vector3();\nconst _v2$1 = /*@__PURE__*/ new Vector3();\n\nclass LOD extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis._currentLevel = 0;\n\n\t\tthis.type = 'LOD';\n\n\t\tObject.defineProperties( this, {\n\t\t\tlevels: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: []\n\t\t\t},\n\t\t\tisLOD: {\n\t\t\t\tvalue: true,\n\t\t\t}\n\t\t} );\n\n\t\tthis.autoUpdate = true;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source, false );\n\n\t\tconst levels = source.levels;\n\n\t\tfor ( let i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\tconst level = levels[ i ];\n\n\t\t\tthis.addLevel( level.object.clone(), level.distance );\n\n\t\t}\n\n\t\tthis.autoUpdate = source.autoUpdate;\n\n\t\treturn this;\n\n\t}\n\n\taddLevel( object, distance = 0 ) {\n\n\t\tdistance = Math.abs( distance );\n\n\t\tconst levels = this.levels;\n\n\t\tlet l;\n\n\t\tfor ( l = 0; l < levels.length; l ++ ) {\n\n\t\t\tif ( distance < levels[ l ].distance ) {\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tlevels.splice( l, 0, { distance: distance, object: object } );\n\n\t\tthis.add( object );\n\n\t\treturn this;\n\n\t}\n\n\tgetCurrentLevel() {\n\n\t\treturn this._currentLevel;\n\n\t}\n\n\tgetObjectForDistance( distance ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 0 ) {\n\n\t\t\tlet i, l;\n\n\t\t\tfor ( i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tif ( distance < levels[ i ].distance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn levels[ i - 1 ].object;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 0 ) {\n\n\t\t\t_v1$2.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\tconst distance = raycaster.ray.origin.distanceTo( _v1$2 );\n\n\t\t\tthis.getObjectForDistance( distance ).raycast( raycaster, intersects );\n\n\t\t}\n\n\t}\n\n\tupdate( camera ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 1 ) {\n\n\t\t\t_v1$2.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t_v2$1.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\tconst distance = _v1$2.distanceTo( _v2$1 ) / camera.zoom;\n\n\t\t\tlevels[ 0 ].object.visible = true;\n\n\t\t\tlet i, l;\n\n\t\t\tfor ( i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tif ( distance >= levels[ i ].distance ) {\n\n\t\t\t\t\tlevels[ i - 1 ].object.visible = false;\n\t\t\t\t\tlevels[ i ].object.visible = true;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._currentLevel = i - 1;\n\n\t\t\tfor ( ; i < l; i ++ ) {\n\n\t\t\t\tlevels[ i ].object.visible = false;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tif ( this.autoUpdate === false ) data.object.autoUpdate = false;\n\n\t\tdata.object.levels = [];\n\n\t\tconst levels = this.levels;\n\n\t\tfor ( let i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\tconst level = levels[ i ];\n\n\t\t\tdata.object.levels.push( {\n\t\t\t\tobject: level.object.uuid,\n\t\t\t\tdistance: level.distance\n\t\t\t} );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n}\n\nconst _basePosition = /*@__PURE__*/ new Vector3();\n\nconst _skinIndex = /*@__PURE__*/ new Vector4();\nconst _skinWeight = /*@__PURE__*/ new Vector4();\n\nconst _vector$5 = /*@__PURE__*/ new Vector3();\nconst _matrix = /*@__PURE__*/ new Matrix4();\n\nclass SkinnedMesh extends Mesh {\n\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'SkinnedMesh';\n\n\t\tthis.bindMode = 'attached';\n\t\tthis.bindMatrix = new Matrix4();\n\t\tthis.bindMatrixInverse = new Matrix4();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.bindMode = source.bindMode;\n\t\tthis.bindMatrix.copy( source.bindMatrix );\n\t\tthis.bindMatrixInverse.copy( source.bindMatrixInverse );\n\n\t\tthis.skeleton = source.skeleton;\n\n\t\treturn this;\n\n\t}\n\n\tbind( skeleton, bindMatrix ) {\n\n\t\tthis.skeleton = skeleton;\n\n\t\tif ( bindMatrix === undefined ) {\n\n\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\tthis.skeleton.calculateInverses();\n\n\t\t\tbindMatrix = this.matrixWorld;\n\n\t\t}\n\n\t\tthis.bindMatrix.copy( bindMatrix );\n\t\tthis.bindMatrixInverse.copy( bindMatrix ).invert();\n\n\t}\n\n\tpose() {\n\n\t\tthis.skeleton.pose();\n\n\t}\n\n\tnormalizeSkinWeights() {\n\n\t\tconst vector = new Vector4();\n\n\t\tconst skinWeight = this.geometry.attributes.skinWeight;\n\n\t\tfor ( let i = 0, l = skinWeight.count; i < l; i ++ ) {\n\n\t\t\tvector.x = skinWeight.getX( i );\n\t\t\tvector.y = skinWeight.getY( i );\n\t\t\tvector.z = skinWeight.getZ( i );\n\t\t\tvector.w = skinWeight.getW( i );\n\n\t\t\tconst scale = 1.0 / vector.manhattanLength();\n\n\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\tvector.multiplyScalar( scale );\n\n\t\t\t} else {\n\n\t\t\t\tvector.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t}\n\n\t\t\tskinWeight.setXYZW( i, vector.x, vector.y, vector.z, vector.w );\n\n\t\t}\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tif ( this.bindMode === 'attached' ) {\n\n\t\t\tthis.bindMatrixInverse.copy( this.matrixWorld ).invert();\n\n\t\t} else if ( this.bindMode === 'detached' ) {\n\n\t\t\tthis.bindMatrixInverse.copy( this.bindMatrix ).invert();\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.SkinnedMesh: Unrecognized bindMode: ' + this.bindMode );\n\n\t\t}\n\n\t}\n\n\tboneTransform( index, target ) {\n\n\t\tconst skeleton = this.skeleton;\n\t\tconst geometry = this.geometry;\n\n\t\t_skinIndex.fromBufferAttribute( geometry.attributes.skinIndex, index );\n\t\t_skinWeight.fromBufferAttribute( geometry.attributes.skinWeight, index );\n\n\t\t_basePosition.copy( target ).applyMatrix4( this.bindMatrix );\n\n\t\ttarget.set( 0, 0, 0 );\n\n\t\tfor ( let i = 0; i < 4; i ++ ) {\n\n\t\t\tconst weight = _skinWeight.getComponent( i );\n\n\t\t\tif ( weight !== 0 ) {\n\n\t\t\t\tconst boneIndex = _skinIndex.getComponent( i );\n\n\t\t\t\t_matrix.multiplyMatrices( skeleton.bones[ boneIndex ].matrixWorld, skeleton.boneInverses[ boneIndex ] );\n\n\t\t\t\ttarget.addScaledVector( _vector$5.copy( _basePosition ).applyMatrix4( _matrix ), weight );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn target.applyMatrix4( this.bindMatrixInverse );\n\n\t}\n\n}\n\nSkinnedMesh.prototype.isSkinnedMesh = true;\n\nclass Bone extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'Bone';\n\n\t}\n\n}\n\nBone.prototype.isBone = true;\n\nclass DataTexture extends Texture {\n\n\tconstructor( data = null, width = 1, height = 1, format, type, mapping, wrapS, wrapT, magFilter = NearestFilter, minFilter = NearestFilter, anisotropy, encoding ) {\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { data: data, width: width, height: height };\n\n\t\tthis.magFilter = magFilter;\n\t\tthis.minFilter = minFilter;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nDataTexture.prototype.isDataTexture = true;\n\nconst _offsetMatrix = /*@__PURE__*/ new Matrix4();\nconst _identityMatrix = /*@__PURE__*/ new Matrix4();\n\nclass Skeleton {\n\n\tconstructor( bones = [], boneInverses = [] ) {\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.bones = bones.slice( 0 );\n\t\tthis.boneInverses = boneInverses;\n\t\tthis.boneMatrices = null;\n\n\t\tthis.boneTexture = null;\n\t\tthis.boneTextureSize = 0;\n\n\t\tthis.frame = - 1;\n\n\t\tthis.init();\n\n\t}\n\n\tinit() {\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\n\t\tthis.boneMatrices = new Float32Array( bones.length * 16 );\n\n\t\t// calculate inverse bone matrices if necessary\n\n\t\tif ( boneInverses.length === 0 ) {\n\n\t\t\tthis.calculateInverses();\n\n\t\t} else {\n\n\t\t\t// handle special case\n\n\t\t\tif ( bones.length !== boneInverses.length ) {\n\n\t\t\t\tconsole.warn( 'THREE.Skeleton: Number of inverse bone matrices does not match amount of bones.' );\n\n\t\t\t\tthis.boneInverses = [];\n\n\t\t\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\t\t\tthis.boneInverses.push( new Matrix4() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcalculateInverses() {\n\n\t\tthis.boneInverses.length = 0;\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst inverse = new Matrix4();\n\n\t\t\tif ( this.bones[ i ] ) {\n\n\t\t\t\tinverse.copy( this.bones[ i ].matrixWorld ).invert();\n\n\t\t\t}\n\n\t\t\tthis.boneInverses.push( inverse );\n\n\t\t}\n\n\t}\n\n\tpose() {\n\n\t\t// recover the bind-time world matrices\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone ) {\n\n\t\t\t\tbone.matrixWorld.copy( this.boneInverses[ i ] ).invert();\n\n\t\t\t}\n\n\t\t}\n\n\t\t// compute the local matrices, positions, rotations and scales\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone ) {\n\n\t\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\t\tbone.matrix.copy( bone.parent.matrixWorld ).invert();\n\t\t\t\t\tbone.matrix.multiply( bone.matrixWorld );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbone.matrix.copy( bone.matrixWorld );\n\n\t\t\t\t}\n\n\t\t\t\tbone.matrix.decompose( bone.position, bone.quaternion, bone.scale );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tupdate() {\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\t\tconst boneMatrices = this.boneMatrices;\n\t\tconst boneTexture = this.boneTexture;\n\n\t\t// flatten bone matrices to array\n\n\t\tfor ( let i = 0, il = bones.length; i < il; i ++ ) {\n\n\t\t\t// compute the offset between the current and the original transform\n\n\t\t\tconst matrix = bones[ i ] ? bones[ i ].matrixWorld : _identityMatrix;\n\n\t\t\t_offsetMatrix.multiplyMatrices( matrix, boneInverses[ i ] );\n\t\t\t_offsetMatrix.toArray( boneMatrices, i * 16 );\n\n\t\t}\n\n\t\tif ( boneTexture !== null ) {\n\n\t\t\tboneTexture.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new Skeleton( this.bones, this.boneInverses );\n\n\t}\n\n\tcomputeBoneTexture() {\n\n\t\t// layout (1 matrix = 4 pixels)\n\t\t// RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4)\n\t\t// with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8)\n\t\t// 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16)\n\t\t// 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32)\n\t\t// 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64)\n\n\t\tlet size = Math.sqrt( this.bones.length * 4 ); // 4 pixels needed for 1 matrix\n\t\tsize = ceilPowerOfTwo( size );\n\t\tsize = Math.max( size, 4 );\n\n\t\tconst boneMatrices = new Float32Array( size * size * 4 ); // 4 floats per RGBA pixel\n\t\tboneMatrices.set( this.boneMatrices ); // copy current values\n\n\t\tconst boneTexture = new DataTexture( boneMatrices, size, size, RGBAFormat, FloatType );\n\n\t\tthis.boneMatrices = boneMatrices;\n\t\tthis.boneTexture = boneTexture;\n\t\tthis.boneTextureSize = size;\n\n\t\treturn this;\n\n\t}\n\n\tgetBoneByName( name ) {\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone.name === name ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn undefined;\n\n\t}\n\n\tdispose( ) {\n\n\t\tif ( this.boneTexture !== null ) {\n\n\t\t\tthis.boneTexture.dispose();\n\n\t\t\tthis.boneTexture = null;\n\n\t\t}\n\n\t}\n\n\tfromJSON( json, bones ) {\n\n\t\tthis.uuid = json.uuid;\n\n\t\tfor ( let i = 0, l = json.bones.length; i < l; i ++ ) {\n\n\t\t\tconst uuid = json.bones[ i ];\n\t\t\tlet bone = bones[ uuid ];\n\n\t\t\tif ( bone === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Skeleton: No bone found with UUID:', uuid );\n\t\t\t\tbone = new Bone();\n\n\t\t\t}\n\n\t\t\tthis.bones.push( bone );\n\t\t\tthis.boneInverses.push( new Matrix4().fromArray( json.boneInverses[ i ] ) );\n\n\t\t}\n\n\t\tthis.init();\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Skeleton',\n\t\t\t\tgenerator: 'Skeleton.toJSON'\n\t\t\t},\n\t\t\tbones: [],\n\t\t\tboneInverses: []\n\t\t};\n\n\t\tdata.uuid = this.uuid;\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\n\t\tfor ( let i = 0, l = bones.length; i < l; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\t\t\tdata.bones.push( bone.uuid );\n\n\t\t\tconst boneInverse = boneInverses[ i ];\n\t\t\tdata.boneInverses.push( boneInverse.toArray() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass InstancedBufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized, meshPerAttribute = 1 ) {\n\n\t\tif ( typeof normalized === 'number' ) {\n\n\t\t\tmeshPerAttribute = normalized;\n\n\t\t\tnormalized = false;\n\n\t\t\tconsole.error( 'THREE.InstancedBufferAttribute: The constructor now expects normalized as the third argument.' );\n\n\t\t}\n\n\t\tsuper( array, itemSize, normalized );\n\n\t\tthis.meshPerAttribute = meshPerAttribute;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.meshPerAttribute = this.meshPerAttribute;\n\n\t\tdata.isInstancedBufferAttribute = true;\n\n\t\treturn data;\n\n\t}\n\n}\n\nInstancedBufferAttribute.prototype.isInstancedBufferAttribute = true;\n\nconst _instanceLocalMatrix = /*@__PURE__*/ new Matrix4();\nconst _instanceWorldMatrix = /*@__PURE__*/ new Matrix4();\n\nconst _instanceIntersects = [];\n\nconst _mesh = /*@__PURE__*/ new Mesh();\n\nclass InstancedMesh extends Mesh {\n\n\tconstructor( geometry, material, count ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.instanceMatrix = new InstancedBufferAttribute( new Float32Array( count * 16 ), 16 );\n\t\tthis.instanceColor = null;\n\n\t\tthis.count = count;\n\n\t\tthis.frustumCulled = false;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.instanceMatrix.copy( source.instanceMatrix );\n\n\t\tif ( source.instanceColor !== null ) this.instanceColor = source.instanceColor.clone();\n\n\t\tthis.count = source.count;\n\n\t\treturn this;\n\n\t}\n\n\tgetColorAt( index, color ) {\n\n\t\tcolor.fromArray( this.instanceColor.array, index * 3 );\n\n\t}\n\n\tgetMatrixAt( index, matrix ) {\n\n\t\tmatrix.fromArray( this.instanceMatrix.array, index * 16 );\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst raycastTimes = this.count;\n\n\t\t_mesh.geometry = this.geometry;\n\t\t_mesh.material = this.material;\n\n\t\tif ( _mesh.material === undefined ) return;\n\n\t\tfor ( let instanceId = 0; instanceId < raycastTimes; instanceId ++ ) {\n\n\t\t\t// calculate the world matrix for each instance\n\n\t\t\tthis.getMatrixAt( instanceId, _instanceLocalMatrix );\n\n\t\t\t_instanceWorldMatrix.multiplyMatrices( matrixWorld, _instanceLocalMatrix );\n\n\t\t\t// the mesh represents this single instance\n\n\t\t\t_mesh.matrixWorld = _instanceWorldMatrix;\n\n\t\t\t_mesh.raycast( raycaster, _instanceIntersects );\n\n\t\t\t// process the result of raycast\n\n\t\t\tfor ( let i = 0, l = _instanceIntersects.length; i < l; i ++ ) {\n\n\t\t\t\tconst intersect = _instanceIntersects[ i ];\n\t\t\t\tintersect.instanceId = instanceId;\n\t\t\t\tintersect.object = this;\n\t\t\t\tintersects.push( intersect );\n\n\t\t\t}\n\n\t\t\t_instanceIntersects.length = 0;\n\n\t\t}\n\n\t}\n\n\tsetColorAt( index, color ) {\n\n\t\tif ( this.instanceColor === null ) {\n\n\t\t\tthis.instanceColor = new InstancedBufferAttribute( new Float32Array( this.instanceMatrix.count * 3 ), 3 );\n\n\t\t}\n\n\t\tcolor.toArray( this.instanceColor.array, index * 3 );\n\n\t}\n\n\tsetMatrixAt( index, matrix ) {\n\n\t\tmatrix.toArray( this.instanceMatrix.array, index * 16 );\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n}\n\nInstancedMesh.prototype.isInstancedMesh = true;\n\n/**\n * parameters = {\n * color: ,\n * opacity: ,\n *\n * linewidth: ,\n * linecap: \"round\",\n * linejoin: \"round\"\n * }\n */\n\nclass LineBasicMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LineBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.linewidth = 1;\n\t\tthis.linecap = 'round';\n\t\tthis.linejoin = 'round';\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.linewidth = source.linewidth;\n\t\tthis.linecap = source.linecap;\n\t\tthis.linejoin = source.linejoin;\n\n\t\treturn this;\n\n\t}\n\n}\n\nLineBasicMaterial.prototype.isLineBasicMaterial = true;\n\nconst _start$1 = /*@__PURE__*/ new Vector3();\nconst _end$1 = /*@__PURE__*/ new Vector3();\nconst _inverseMatrix$1 = /*@__PURE__*/ new Matrix4();\nconst _ray$1 = /*@__PURE__*/ new Ray();\nconst _sphere$1 = /*@__PURE__*/ new Sphere();\n\nclass Line extends Object3D {\n\n\tconstructor( geometry = new BufferGeometry(), material = new LineBasicMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Line';\n\n\t\tthis.geometry = geometry;\n\t\tthis.material = material;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.material = source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\tcomputeLineDistances() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\t// we assume non-indexed geometry\n\n\t\t\tif ( geometry.index === null ) {\n\n\t\t\t\tconst positionAttribute = geometry.attributes.position;\n\t\t\t\tconst lineDistances = [ 0 ];\n\n\t\t\t\tfor ( let i = 1, l = positionAttribute.count; i < l; i ++ ) {\n\n\t\t\t\t\t_start$1.fromBufferAttribute( positionAttribute, i - 1 );\n\t\t\t\t\t_end$1.fromBufferAttribute( positionAttribute, i );\n\n\t\t\t\t\tlineDistances[ i ] = lineDistances[ i - 1 ];\n\t\t\t\t\tlineDistances[ i ] += _start$1.distanceTo( _end$1 );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' );\n\n\t\t\t}\n\n\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\tconsole.error( 'THREE.Line.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst threshold = raycaster.params.Line.threshold;\n\t\tconst drawRange = geometry.drawRange;\n\n\t\t// Checking boundingSphere distance to ray\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere$1.copy( geometry.boundingSphere );\n\t\t_sphere$1.applyMatrix4( matrixWorld );\n\t\t_sphere$1.radius += threshold;\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere$1 ) === false ) return;\n\n\t\t//\n\n\t\t_inverseMatrix$1.copy( matrixWorld ).invert();\n\t\t_ray$1.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$1 );\n\n\t\tconst localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\tconst localThresholdSq = localThreshold * localThreshold;\n\n\t\tconst vStart = new Vector3();\n\t\tconst vEnd = new Vector3();\n\t\tconst interSegment = new Vector3();\n\t\tconst interRay = new Vector3();\n\t\tconst step = this.isLineSegments ? 2 : 1;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst index = geometry.index;\n\t\t\tconst attributes = geometry.attributes;\n\t\t\tconst positionAttribute = attributes.position;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, l = end - 1; i < l; i += step ) {\n\n\t\t\t\t\tconst a = index.getX( i );\n\t\t\t\t\tconst b = index.getX( i + 1 );\n\n\t\t\t\t\tvStart.fromBufferAttribute( positionAttribute, a );\n\t\t\t\t\tvEnd.fromBufferAttribute( positionAttribute, b );\n\n\t\t\t\t\tconst distSq = _ray$1.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\tif ( distSq > localThresholdSq ) continue;\n\n\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\tconst distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\tface: null,\n\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, l = end - 1; i < l; i += step ) {\n\n\t\t\t\t\tvStart.fromBufferAttribute( positionAttribute, i );\n\t\t\t\t\tvEnd.fromBufferAttribute( positionAttribute, i + 1 );\n\n\t\t\t\t\tconst distSq = _ray$1.distanceSqToSegment( vStart, vEnd, interRay, interSegment );\n\n\t\t\t\t\tif ( distSq > localThresholdSq ) continue;\n\n\t\t\t\t\tinterRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation\n\n\t\t\t\t\tconst distance = raycaster.ray.origin.distanceTo( interRay );\n\n\t\t\t\t\tif ( distance < raycaster.near || distance > raycaster.far ) continue;\n\n\t\t\t\t\tintersects.push( {\n\n\t\t\t\t\t\tdistance: distance,\n\t\t\t\t\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t\t\t\t\t// point: raycaster.ray.at( distance ),\n\t\t\t\t\t\tpoint: interSegment.clone().applyMatrix4( this.matrixWorld ),\n\t\t\t\t\t\tindex: i,\n\t\t\t\t\t\tface: null,\n\t\t\t\t\t\tfaceIndex: null,\n\t\t\t\t\t\tobject: this\n\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\tconsole.error( 'THREE.Line.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t}\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst morphAttributes = geometry.morphAttributes;\n\t\t\tconst keys = Object.keys( morphAttributes );\n\n\t\t\tif ( keys.length > 0 ) {\n\n\t\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst morphTargets = geometry.morphTargets;\n\n\t\t\tif ( morphTargets !== undefined && morphTargets.length > 0 ) {\n\n\t\t\t\tconsole.error( 'THREE.Line.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nLine.prototype.isLine = true;\n\nconst _start = /*@__PURE__*/ new Vector3();\nconst _end = /*@__PURE__*/ new Vector3();\n\nclass LineSegments extends Line {\n\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'LineSegments';\n\n\t}\n\n\tcomputeLineDistances() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\t// we assume non-indexed geometry\n\n\t\t\tif ( geometry.index === null ) {\n\n\t\t\t\tconst positionAttribute = geometry.attributes.position;\n\t\t\t\tconst lineDistances = [];\n\n\t\t\t\tfor ( let i = 0, l = positionAttribute.count; i < l; i += 2 ) {\n\n\t\t\t\t\t_start.fromBufferAttribute( positionAttribute, i );\n\t\t\t\t\t_end.fromBufferAttribute( positionAttribute, i + 1 );\n\n\t\t\t\t\tlineDistances[ i ] = ( i === 0 ) ? 0 : lineDistances[ i - 1 ];\n\t\t\t\t\tlineDistances[ i + 1 ] = lineDistances[ i ] + _start.distanceTo( _end );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' );\n\n\t\t\t}\n\n\t\t} else if ( geometry.isGeometry ) {\n\n\t\t\tconsole.error( 'THREE.LineSegments.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nLineSegments.prototype.isLineSegments = true;\n\nclass LineLoop extends Line {\n\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'LineLoop';\n\n\t}\n\n}\n\nLineLoop.prototype.isLineLoop = true;\n\n/**\n * parameters = {\n * color: ,\n * opacity: ,\n * map: new THREE.Texture( ),\n * alphaMap: new THREE.Texture( ),\n *\n * size: ,\n * sizeAttenuation: \n *\n * }\n */\n\nclass PointsMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'PointsMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.size = 1;\n\t\tthis.sizeAttenuation = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.size = source.size;\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\treturn this;\n\n\t}\n\n}\n\nPointsMaterial.prototype.isPointsMaterial = true;\n\nconst _inverseMatrix = /*@__PURE__*/ new Matrix4();\nconst _ray = /*@__PURE__*/ new Ray();\nconst _sphere = /*@__PURE__*/ new Sphere();\nconst _position$2 = /*@__PURE__*/ new Vector3();\n\nclass Points extends Object3D {\n\n\tconstructor( geometry = new BufferGeometry(), material = new PointsMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Points';\n\n\t\tthis.geometry = geometry;\n\t\tthis.material = material;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.material = source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst threshold = raycaster.params.Points.threshold;\n\t\tconst drawRange = geometry.drawRange;\n\n\t\t// Checking boundingSphere distance to ray\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere.copy( geometry.boundingSphere );\n\t\t_sphere.applyMatrix4( matrixWorld );\n\t\t_sphere.radius += threshold;\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere ) === false ) return;\n\n\t\t//\n\n\t\t_inverseMatrix.copy( matrixWorld ).invert();\n\t\t_ray.copy( raycaster.ray ).applyMatrix4( _inverseMatrix );\n\n\t\tconst localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\tconst localThresholdSq = localThreshold * localThreshold;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst index = geometry.index;\n\t\t\tconst attributes = geometry.attributes;\n\t\t\tconst positionAttribute = attributes.position;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, il = end; i < il; i ++ ) {\n\n\t\t\t\t\tconst a = index.getX( i );\n\n\t\t\t\t\t_position$2.fromBufferAttribute( positionAttribute, a );\n\n\t\t\t\t\ttestPoint( _position$2, a, localThresholdSq, matrixWorld, raycaster, intersects, this );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, l = end; i < l; i ++ ) {\n\n\t\t\t\t\t_position$2.fromBufferAttribute( positionAttribute, i );\n\n\t\t\t\t\ttestPoint( _position$2, i, localThresholdSq, matrixWorld, raycaster, intersects, this );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconsole.error( 'THREE.Points.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t}\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( geometry.isBufferGeometry ) {\n\n\t\t\tconst morphAttributes = geometry.morphAttributes;\n\t\t\tconst keys = Object.keys( morphAttributes );\n\n\t\t\tif ( keys.length > 0 ) {\n\n\t\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst morphTargets = geometry.morphTargets;\n\n\t\t\tif ( morphTargets !== undefined && morphTargets.length > 0 ) {\n\n\t\t\t\tconsole.error( 'THREE.Points.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.' );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nPoints.prototype.isPoints = true;\n\nfunction testPoint( point, index, localThresholdSq, matrixWorld, raycaster, intersects, object ) {\n\n\tconst rayPointDistanceSq = _ray.distanceSqToPoint( point );\n\n\tif ( rayPointDistanceSq < localThresholdSq ) {\n\n\t\tconst intersectPoint = new Vector3();\n\n\t\t_ray.closestPointToPoint( point, intersectPoint );\n\t\tintersectPoint.applyMatrix4( matrixWorld );\n\n\t\tconst distance = raycaster.ray.origin.distanceTo( intersectPoint );\n\n\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\tintersects.push( {\n\n\t\t\tdistance: distance,\n\t\t\tdistanceToRay: Math.sqrt( rayPointDistanceSq ),\n\t\t\tpoint: intersectPoint,\n\t\t\tindex: index,\n\t\t\tface: null,\n\t\t\tobject: object\n\n\t\t} );\n\n\t}\n\n}\n\nclass VideoTexture extends Texture {\n\n\tconstructor( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tsuper( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.format = format !== undefined ? format : RGBFormat;\n\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : LinearFilter;\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : LinearFilter;\n\n\t\tthis.generateMipmaps = false;\n\n\t\tconst scope = this;\n\n\t\tfunction updateVideo() {\n\n\t\t\tscope.needsUpdate = true;\n\t\t\tvideo.requestVideoFrameCallback( updateVideo );\n\n\t\t}\n\n\t\tif ( 'requestVideoFrameCallback' in video ) {\n\n\t\t\tvideo.requestVideoFrameCallback( updateVideo );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.image ).copy( this );\n\n\t}\n\n\tupdate() {\n\n\t\tconst video = this.image;\n\t\tconst hasVideoFrameCallback = 'requestVideoFrameCallback' in video;\n\n\t\tif ( hasVideoFrameCallback === false && video.readyState >= video.HAVE_CURRENT_DATA ) {\n\n\t\t\tthis.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n}\n\nVideoTexture.prototype.isVideoTexture = true;\n\nclass CompressedTexture extends Texture {\n\n\tconstructor( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) {\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding );\n\n\t\tthis.image = { width: width, height: height };\n\t\tthis.mipmaps = mipmaps;\n\n\t\t// no flipping for cube textures\n\t\t// (also flipping doesn't work for compressed textures )\n\n\t\tthis.flipY = false;\n\n\t\t// can't generate mipmaps for compressed textures\n\t\t// mips must be embedded in DDS files\n\n\t\tthis.generateMipmaps = false;\n\n\t}\n\n}\n\nCompressedTexture.prototype.isCompressedTexture = true;\n\nclass CanvasTexture extends Texture {\n\n\tconstructor( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tsuper( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nCanvasTexture.prototype.isCanvasTexture = true;\n\nclass CircleGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, segments = 8, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CircleGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tsegments = Math.max( 3, segments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\n\t\t// center point\n\n\t\tvertices.push( 0, 0, 0 );\n\t\tnormals.push( 0, 0, 1 );\n\t\tuvs.push( 0.5, 0.5 );\n\n\t\tfor ( let s = 0, i = 3; s <= segments; s ++, i += 3 ) {\n\n\t\t\tconst segment = thetaStart + s / segments * thetaLength;\n\n\t\t\t// vertex\n\n\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\tvertex.y = radius * Math.sin( segment );\n\n\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t// normal\n\n\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t// uvs\n\n\t\t\tuv.x = ( vertices[ i ] / radius + 1 ) / 2;\n\t\t\tuv.y = ( vertices[ i + 1 ] / radius + 1 ) / 2;\n\n\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\tindices.push( i, i + 1, 0 );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new CircleGeometry( data.radius, data.segments, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass CylinderGeometry extends BufferGeometry {\n\n\tconstructor( radiusTop = 1, radiusBottom = 1, height = 1, radialSegments = 8, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\t\tthis.type = 'CylinderGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tconst scope = this;\n\n\t\tradialSegments = Math.floor( radialSegments );\n\t\theightSegments = Math.floor( heightSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet index = 0;\n\t\tconst indexArray = [];\n\t\tconst halfHeight = height / 2;\n\t\tlet groupStart = 0;\n\n\t\t// generate geometry\n\n\t\tgenerateTorso();\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) generateCap( true );\n\t\t\tif ( radiusBottom > 0 ) generateCap( false );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\tfunction generateTorso() {\n\n\t\t\tconst normal = new Vector3();\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tlet groupCount = 0;\n\n\t\t\t// this will be used to calculate the normal\n\t\t\tconst slope = ( radiusBottom - radiusTop ) / height;\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( let y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\t\tconst indexRow = [];\n\n\t\t\t\tconst v = y / heightSegments;\n\n\t\t\t\t// calculate the radius of the current row\n\n\t\t\t\tconst radius = v * ( radiusBottom - radiusTop ) + radiusTop;\n\n\t\t\t\tfor ( let x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\t\tconst u = x / radialSegments;\n\n\t\t\t\t\tconst theta = u * thetaLength + thetaStart;\n\n\t\t\t\t\tconst sinTheta = Math.sin( theta );\n\t\t\t\t\tconst cosTheta = Math.cos( theta );\n\n\t\t\t\t\t// vertex\n\n\t\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\t\tvertex.y = - v * height + halfHeight;\n\t\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t\t// normal\n\n\t\t\t\t\tnormal.set( sinTheta, slope, cosTheta ).normalize();\n\t\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t\t// uv\n\n\t\t\t\t\tuvs.push( u, 1 - v );\n\n\t\t\t\t\t// save index of vertex in respective row\n\n\t\t\t\t\tindexRow.push( index ++ );\n\n\t\t\t\t}\n\n\t\t\t\t// now save vertices of the row in our index array\n\n\t\t\t\tindexArray.push( indexRow );\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( let x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tfor ( let y = 0; y < heightSegments; y ++ ) {\n\n\t\t\t\t\t// we use the index array to access the correct indices\n\n\t\t\t\t\tconst a = indexArray[ y ][ x ];\n\t\t\t\t\tconst b = indexArray[ y + 1 ][ x ];\n\t\t\t\t\tconst c = indexArray[ y + 1 ][ x + 1 ];\n\t\t\t\t\tconst d = indexArray[ y ][ x + 1 ];\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t\t// update group counter\n\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, 0 );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t\tfunction generateCap( top ) {\n\n\t\t\t// save the index of the first center vertex\n\t\t\tconst centerIndexStart = index;\n\n\t\t\tconst uv = new Vector2();\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tlet groupCount = 0;\n\n\t\t\tconst radius = ( top === true ) ? radiusTop : radiusBottom;\n\t\t\tconst sign = ( top === true ) ? 1 : - 1;\n\n\t\t\t// first we generate the center vertex data of the cap.\n\t\t\t// because the geometry needs one set of uvs per face,\n\t\t\t// we must generate a center vertex per face/segment\n\n\t\t\tfor ( let x = 1; x <= radialSegments; x ++ ) {\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertices.push( 0, halfHeight * sign, 0 );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, sign, 0 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( 0.5, 0.5 );\n\n\t\t\t\t// increase index\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// save the index of the last center vertex\n\t\t\tconst centerIndexEnd = index;\n\n\t\t\t// now we generate the surrounding vertices, normals and uvs\n\n\t\t\tfor ( let x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\tconst u = x / radialSegments;\n\t\t\t\tconst theta = u * thetaLength + thetaStart;\n\n\t\t\t\tconst cosTheta = Math.cos( theta );\n\t\t\t\tconst sinTheta = Math.sin( theta );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\tvertex.y = halfHeight * sign;\n\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, sign, 0 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = ( cosTheta * 0.5 ) + 0.5;\n\t\t\t\tuv.y = ( sinTheta * 0.5 * sign ) + 0.5;\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t// increase index\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( let x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tconst c = centerIndexStart + x;\n\t\t\t\tconst i = centerIndexEnd + x;\n\n\t\t\t\tif ( top === true ) {\n\n\t\t\t\t\t// face top\n\n\t\t\t\t\tindices.push( i, i + 1, c );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// face bottom\n\n\t\t\t\t\tindices.push( i + 1, i, c );\n\n\t\t\t\t}\n\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, top === true ? 1 : 2 );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new CylinderGeometry( data.radiusTop, data.radiusBottom, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass ConeGeometry extends CylinderGeometry {\n\n\tconstructor( radius = 1, height = 1, radialSegments = 8, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper( 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new ConeGeometry( data.radius, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass PolyhedronGeometry extends BufferGeometry {\n\n\tconstructor( vertices = [], indices = [], radius = 1, detail = 0 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'PolyhedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\t// default buffer data\n\n\t\tconst vertexBuffer = [];\n\t\tconst uvBuffer = [];\n\n\t\t// the subdivision creates the vertex buffer data\n\n\t\tsubdivide( detail );\n\n\t\t// all vertices should lie on a conceptual sphere with a given radius\n\n\t\tapplyRadius( radius );\n\n\t\t// finally, create the uv data\n\n\t\tgenerateUVs();\n\n\t\t// build non-indexed geometry\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertexBuffer, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( vertexBuffer.slice(), 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvBuffer, 2 ) );\n\n\t\tif ( detail === 0 ) {\n\n\t\t\tthis.computeVertexNormals(); // flat normals\n\n\t\t} else {\n\n\t\t\tthis.normalizeNormals(); // smooth normals\n\n\t\t}\n\n\t\t// helper functions\n\n\t\tfunction subdivide( detail ) {\n\n\t\t\tconst a = new Vector3();\n\t\t\tconst b = new Vector3();\n\t\t\tconst c = new Vector3();\n\n\t\t\t// iterate over all faces and apply a subdivison with the given detail value\n\n\t\t\tfor ( let i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t// get the vertices of the face\n\n\t\t\t\tgetVertexByIndex( indices[ i + 0 ], a );\n\t\t\t\tgetVertexByIndex( indices[ i + 1 ], b );\n\t\t\t\tgetVertexByIndex( indices[ i + 2 ], c );\n\n\t\t\t\t// perform subdivision\n\n\t\t\t\tsubdivideFace( a, b, c, detail );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction subdivideFace( a, b, c, detail ) {\n\n\t\t\tconst cols = detail + 1;\n\n\t\t\t// we use this multidimensional array as a data structure for creating the subdivision\n\n\t\t\tconst v = [];\n\n\t\t\t// construct all of the vertices for this subdivision\n\n\t\t\tfor ( let i = 0; i <= cols; i ++ ) {\n\n\t\t\t\tv[ i ] = [];\n\n\t\t\t\tconst aj = a.clone().lerp( c, i / cols );\n\t\t\t\tconst bj = b.clone().lerp( c, i / cols );\n\n\t\t\t\tconst rows = cols - i;\n\n\t\t\t\tfor ( let j = 0; j <= rows; j ++ ) {\n\n\t\t\t\t\tif ( j === 0 && i === cols ) {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj.clone().lerp( bj, j / rows );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// construct all of the faces\n\n\t\t\tfor ( let i = 0; i < cols; i ++ ) {\n\n\t\t\t\tfor ( let j = 0; j < 2 * ( cols - i ) - 1; j ++ ) {\n\n\t\t\t\t\tconst k = Math.floor( j / 2 );\n\n\t\t\t\t\tif ( j % 2 === 0 ) {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\t\t\t\t\t\tpushVertex( v[ i ][ k ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction applyRadius( radius ) {\n\n\t\t\tconst vertex = new Vector3();\n\n\t\t\t// iterate over the entire buffer and apply the radius to each vertex\n\n\t\t\tfor ( let i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvertex.normalize().multiplyScalar( radius );\n\n\t\t\t\tvertexBuffer[ i + 0 ] = vertex.x;\n\t\t\t\tvertexBuffer[ i + 1 ] = vertex.y;\n\t\t\t\tvertexBuffer[ i + 2 ] = vertex.z;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tfor ( let i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tconst u = azimuth( vertex ) / 2 / Math.PI + 0.5;\n\t\t\t\tconst v = inclination( vertex ) / Math.PI + 0.5;\n\t\t\t\tuvBuffer.push( u, 1 - v );\n\n\t\t\t}\n\n\t\t\tcorrectUVs();\n\n\t\t\tcorrectSeam();\n\n\t\t}\n\n\t\tfunction correctSeam() {\n\n\t\t\t// handle case when face straddles the seam, see #3269\n\n\t\t\tfor ( let i = 0; i < uvBuffer.length; i += 6 ) {\n\n\t\t\t\t// uv data of a single face\n\n\t\t\t\tconst x0 = uvBuffer[ i + 0 ];\n\t\t\t\tconst x1 = uvBuffer[ i + 2 ];\n\t\t\t\tconst x2 = uvBuffer[ i + 4 ];\n\n\t\t\t\tconst max = Math.max( x0, x1, x2 );\n\t\t\t\tconst min = Math.min( x0, x1, x2 );\n\n\t\t\t\t// 0.9 is somewhat arbitrary\n\n\t\t\t\tif ( max > 0.9 && min < 0.1 ) {\n\n\t\t\t\t\tif ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1;\n\t\t\t\t\tif ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1;\n\t\t\t\t\tif ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction pushVertex( vertex ) {\n\n\t\t\tvertexBuffer.push( vertex.x, vertex.y, vertex.z );\n\n\t\t}\n\n\t\tfunction getVertexByIndex( index, vertex ) {\n\n\t\t\tconst stride = index * 3;\n\n\t\t\tvertex.x = vertices[ stride + 0 ];\n\t\t\tvertex.y = vertices[ stride + 1 ];\n\t\t\tvertex.z = vertices[ stride + 2 ];\n\n\t\t}\n\n\t\tfunction correctUVs() {\n\n\t\t\tconst a = new Vector3();\n\t\t\tconst b = new Vector3();\n\t\t\tconst c = new Vector3();\n\n\t\t\tconst centroid = new Vector3();\n\n\t\t\tconst uvA = new Vector2();\n\t\t\tconst uvB = new Vector2();\n\t\t\tconst uvC = new Vector2();\n\n\t\t\tfor ( let i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) {\n\n\t\t\t\ta.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] );\n\t\t\t\tb.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] );\n\t\t\t\tc.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] );\n\n\t\t\t\tuvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] );\n\t\t\t\tuvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] );\n\t\t\t\tuvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] );\n\n\t\t\t\tcentroid.copy( a ).add( b ).add( c ).divideScalar( 3 );\n\n\t\t\t\tconst azi = azimuth( centroid );\n\n\t\t\t\tcorrectUV( uvA, j + 0, a, azi );\n\t\t\t\tcorrectUV( uvB, j + 2, b, azi );\n\t\t\t\tcorrectUV( uvC, j + 4, c, azi );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction correctUV( uv, stride, vector, azimuth ) {\n\n\t\t\tif ( ( azimuth < 0 ) && ( uv.x === 1 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = uv.x - 1;\n\n\t\t\t}\n\n\t\t\tif ( ( vector.x === 0 ) && ( vector.z === 0 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Angle around the Y axis, counter-clockwise when looking from above.\n\n\t\tfunction azimuth( vector ) {\n\n\t\t\treturn Math.atan2( vector.z, - vector.x );\n\n\t\t}\n\n\n\t\t// Angle above the XZ plane.\n\n\t\tfunction inclination( vector ) {\n\n\t\t\treturn Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) );\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new PolyhedronGeometry( data.vertices, data.indices, data.radius, data.details );\n\n\t}\n\n}\n\nclass DodecahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\t\tconst r = 1 / t;\n\n\t\tconst vertices = [\n\n\t\t\t// (\u00B11, \u00B11, \u00B11)\n\t\t\t- 1, - 1, - 1,\t- 1, - 1, 1,\n\t\t\t- 1, 1, - 1, - 1, 1, 1,\n\t\t\t1, - 1, - 1, 1, - 1, 1,\n\t\t\t1, 1, - 1, 1, 1, 1,\n\n\t\t\t// (0, \u00B11/\u03C6, \u00B1\u03C6)\n\t\t\t0, - r, - t, 0, - r, t,\n\t\t\t0, r, - t, 0, r, t,\n\n\t\t\t// (\u00B11/\u03C6, \u00B1\u03C6, 0)\n\t\t\t- r, - t, 0, - r, t, 0,\n\t\t\tr, - t, 0, r, t, 0,\n\n\t\t\t// (\u00B1\u03C6, 0, \u00B11/\u03C6)\n\t\t\t- t, 0, - r, t, 0, - r,\n\t\t\t- t, 0, r, t, 0, r\n\t\t];\n\n\t\tconst indices = [\n\t\t\t3, 11, 7, \t3, 7, 15, \t3, 15, 13,\n\t\t\t7, 19, 17, \t7, 17, 6, \t7, 6, 15,\n\t\t\t17, 4, 8, \t17, 8, 10, \t17, 10, 6,\n\t\t\t8, 0, 16, \t8, 16, 2, \t8, 2, 10,\n\t\t\t0, 12, 1, \t0, 1, 18, \t0, 18, 16,\n\t\t\t6, 10, 2, \t6, 2, 13, \t6, 13, 15,\n\t\t\t2, 16, 18, \t2, 18, 3, \t2, 3, 13,\n\t\t\t18, 1, 9, \t18, 9, 11, \t18, 11, 3,\n\t\t\t4, 14, 12, \t4, 12, 0, \t4, 0, 8,\n\t\t\t11, 9, 5, \t11, 5, 19, \t11, 19, 7,\n\t\t\t19, 5, 14, \t19, 14, 4, \t19, 4, 17,\n\t\t\t1, 12, 14, \t1, 14, 5, \t1, 5, 9\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'DodecahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new DodecahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nconst _v0 = new Vector3();\nconst _v1$1 = new Vector3();\nconst _normal = new Vector3();\nconst _triangle = new Triangle();\n\nclass EdgesGeometry extends BufferGeometry {\n\n\tconstructor( geometry = null, thresholdAngle = 1 ) {\n\n\t\tsuper();\n\t\tthis.type = 'EdgesGeometry';\n\n\t\tthis.parameters = {\n\t\t\tgeometry: geometry,\n\t\t\tthresholdAngle: thresholdAngle\n\t\t};\n\n\t\tif ( geometry !== null ) {\n\n\t\t\tconst precisionPoints = 4;\n\t\t\tconst precision = Math.pow( 10, precisionPoints );\n\t\t\tconst thresholdDot = Math.cos( DEG2RAD * thresholdAngle );\n\n\t\t\tconst indexAttr = geometry.getIndex();\n\t\t\tconst positionAttr = geometry.getAttribute( 'position' );\n\t\t\tconst indexCount = indexAttr ? indexAttr.count : positionAttr.count;\n\n\t\t\tconst indexArr = [ 0, 0, 0 ];\n\t\t\tconst vertKeys = [ 'a', 'b', 'c' ];\n\t\t\tconst hashes = new Array( 3 );\n\n\t\t\tconst edgeData = {};\n\t\t\tconst vertices = [];\n\t\t\tfor ( let i = 0; i < indexCount; i += 3 ) {\n\n\t\t\t\tif ( indexAttr ) {\n\n\t\t\t\t\tindexArr[ 0 ] = indexAttr.getX( i );\n\t\t\t\t\tindexArr[ 1 ] = indexAttr.getX( i + 1 );\n\t\t\t\t\tindexArr[ 2 ] = indexAttr.getX( i + 2 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tindexArr[ 0 ] = i;\n\t\t\t\t\tindexArr[ 1 ] = i + 1;\n\t\t\t\t\tindexArr[ 2 ] = i + 2;\n\n\t\t\t\t}\n\n\t\t\t\tconst { a, b, c } = _triangle;\n\t\t\t\ta.fromBufferAttribute( positionAttr, indexArr[ 0 ] );\n\t\t\t\tb.fromBufferAttribute( positionAttr, indexArr[ 1 ] );\n\t\t\t\tc.fromBufferAttribute( positionAttr, indexArr[ 2 ] );\n\t\t\t\t_triangle.getNormal( _normal );\n\n\t\t\t\t// create hashes for the edge from the vertices\n\t\t\t\thashes[ 0 ] = `${ Math.round( a.x * precision ) },${ Math.round( a.y * precision ) },${ Math.round( a.z * precision ) }`;\n\t\t\t\thashes[ 1 ] = `${ Math.round( b.x * precision ) },${ Math.round( b.y * precision ) },${ Math.round( b.z * precision ) }`;\n\t\t\t\thashes[ 2 ] = `${ Math.round( c.x * precision ) },${ Math.round( c.y * precision ) },${ Math.round( c.z * precision ) }`;\n\n\t\t\t\t// skip degenerate triangles\n\t\t\t\tif ( hashes[ 0 ] === hashes[ 1 ] || hashes[ 1 ] === hashes[ 2 ] || hashes[ 2 ] === hashes[ 0 ] ) {\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\t// iterate over every edge\n\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t// get the first and next vertex making up the edge\n\t\t\t\t\tconst jNext = ( j + 1 ) % 3;\n\t\t\t\t\tconst vecHash0 = hashes[ j ];\n\t\t\t\t\tconst vecHash1 = hashes[ jNext ];\n\t\t\t\t\tconst v0 = _triangle[ vertKeys[ j ] ];\n\t\t\t\t\tconst v1 = _triangle[ vertKeys[ jNext ] ];\n\n\t\t\t\t\tconst hash = `${ vecHash0 }_${ vecHash1 }`;\n\t\t\t\t\tconst reverseHash = `${ vecHash1 }_${ vecHash0 }`;\n\n\t\t\t\t\tif ( reverseHash in edgeData && edgeData[ reverseHash ] ) {\n\n\t\t\t\t\t\t// if we found a sibling edge add it into the vertex array if\n\t\t\t\t\t\t// it meets the angle threshold and delete the edge from the map.\n\t\t\t\t\t\tif ( _normal.dot( edgeData[ reverseHash ].normal ) <= thresholdDot ) {\n\n\t\t\t\t\t\t\tvertices.push( v0.x, v0.y, v0.z );\n\t\t\t\t\t\t\tvertices.push( v1.x, v1.y, v1.z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tedgeData[ reverseHash ] = null;\n\n\t\t\t\t\t} else if ( ! ( hash in edgeData ) ) {\n\n\t\t\t\t\t\t// if we've already got an edge here then skip adding a new one\n\t\t\t\t\t\tedgeData[ hash ] = {\n\n\t\t\t\t\t\t\tindex0: indexArr[ j ],\n\t\t\t\t\t\t\tindex1: indexArr[ jNext ],\n\t\t\t\t\t\t\tnormal: _normal.clone(),\n\n\t\t\t\t\t\t};\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// iterate over all remaining, unmatched edges and add them to the vertex array\n\t\t\tfor ( const key in edgeData ) {\n\n\t\t\t\tif ( edgeData[ key ] ) {\n\n\t\t\t\t\tconst { index0, index1 } = edgeData[ key ];\n\t\t\t\t\t_v0.fromBufferAttribute( positionAttr, index0 );\n\t\t\t\t\t_v1$1.fromBufferAttribute( positionAttr, index1 );\n\n\t\t\t\t\tvertices.push( _v0.x, _v0.y, _v0.z );\n\t\t\t\t\tvertices.push( _v1$1.x, _v1$1.y, _v1$1.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * Extensible curve object.\n *\n * Some common of curve methods:\n * .getPoint( t, optionalTarget ), .getTangent( t, optionalTarget )\n * .getPointAt( u, optionalTarget ), .getTangentAt( u, optionalTarget )\n * .getPoints(), .getSpacedPoints()\n * .getLength()\n * .updateArcLengths()\n *\n * This following curves inherit from THREE.Curve:\n *\n * -- 2D curves --\n * THREE.ArcCurve\n * THREE.CubicBezierCurve\n * THREE.EllipseCurve\n * THREE.LineCurve\n * THREE.QuadraticBezierCurve\n * THREE.SplineCurve\n *\n * -- 3D curves --\n * THREE.CatmullRomCurve3\n * THREE.CubicBezierCurve3\n * THREE.LineCurve3\n * THREE.QuadraticBezierCurve3\n *\n * A series of curves can be represented as a THREE.CurvePath.\n *\n **/\n\nclass Curve {\n\n\tconstructor() {\n\n\t\tthis.type = 'Curve';\n\n\t\tthis.arcLengthDivisions = 200;\n\n\t}\n\n\t// Virtual base class method to overwrite and implement in subclasses\n\t//\t- t [0 .. 1]\n\n\tgetPoint( /* t, optionalTarget */ ) {\n\n\t\tconsole.warn( 'THREE.Curve: .getPoint() not implemented.' );\n\t\treturn null;\n\n\t}\n\n\t// Get point at relative position in curve according to arc length\n\t// - u [0 .. 1]\n\n\tgetPointAt( u, optionalTarget ) {\n\n\t\tconst t = this.getUtoTmapping( u );\n\t\treturn this.getPoint( t, optionalTarget );\n\n\t}\n\n\t// Get sequence of points using getPoint( t )\n\n\tgetPoints( divisions = 5 ) {\n\n\t\tconst points = [];\n\n\t\tfor ( let d = 0; d <= divisions; d ++ ) {\n\n\t\t\tpoints.push( this.getPoint( d / divisions ) );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\t// Get sequence of points using getPointAt( u )\n\n\tgetSpacedPoints( divisions = 5 ) {\n\n\t\tconst points = [];\n\n\t\tfor ( let d = 0; d <= divisions; d ++ ) {\n\n\t\t\tpoints.push( this.getPointAt( d / divisions ) );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\t// Get total curve arc length\n\n\tgetLength() {\n\n\t\tconst lengths = this.getLengths();\n\t\treturn lengths[ lengths.length - 1 ];\n\n\t}\n\n\t// Get list of cumulative segment lengths\n\n\tgetLengths( divisions = this.arcLengthDivisions ) {\n\n\t\tif ( this.cacheArcLengths &&\n\t\t\t( this.cacheArcLengths.length === divisions + 1 ) &&\n\t\t\t! this.needsUpdate ) {\n\n\t\t\treturn this.cacheArcLengths;\n\n\t\t}\n\n\t\tthis.needsUpdate = false;\n\n\t\tconst cache = [];\n\t\tlet current, last = this.getPoint( 0 );\n\t\tlet sum = 0;\n\n\t\tcache.push( 0 );\n\n\t\tfor ( let p = 1; p <= divisions; p ++ ) {\n\n\t\t\tcurrent = this.getPoint( p / divisions );\n\t\t\tsum += current.distanceTo( last );\n\t\t\tcache.push( sum );\n\t\t\tlast = current;\n\n\t\t}\n\n\t\tthis.cacheArcLengths = cache;\n\n\t\treturn cache; // { sums: cache, sum: sum }; Sum is in the last element.\n\n\t}\n\n\tupdateArcLengths() {\n\n\t\tthis.needsUpdate = true;\n\t\tthis.getLengths();\n\n\t}\n\n\t// Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant\n\n\tgetUtoTmapping( u, distance ) {\n\n\t\tconst arcLengths = this.getLengths();\n\n\t\tlet i = 0;\n\t\tconst il = arcLengths.length;\n\n\t\tlet targetArcLength; // The targeted u distance value to get\n\n\t\tif ( distance ) {\n\n\t\t\ttargetArcLength = distance;\n\n\t\t} else {\n\n\t\t\ttargetArcLength = u * arcLengths[ il - 1 ];\n\n\t\t}\n\n\t\t// binary search for the index with largest value smaller than target u distance\n\n\t\tlet low = 0, high = il - 1, comparison;\n\n\t\twhile ( low <= high ) {\n\n\t\t\ti = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats\n\n\t\t\tcomparison = arcLengths[ i ] - targetArcLength;\n\n\t\t\tif ( comparison < 0 ) {\n\n\t\t\t\tlow = i + 1;\n\n\t\t\t} else if ( comparison > 0 ) {\n\n\t\t\t\thigh = i - 1;\n\n\t\t\t} else {\n\n\t\t\t\thigh = i;\n\t\t\t\tbreak;\n\n\t\t\t\t// DONE\n\n\t\t\t}\n\n\t\t}\n\n\t\ti = high;\n\n\t\tif ( arcLengths[ i ] === targetArcLength ) {\n\n\t\t\treturn i / ( il - 1 );\n\n\t\t}\n\n\t\t// we could get finer grain at lengths, or use simple interpolation between two points\n\n\t\tconst lengthBefore = arcLengths[ i ];\n\t\tconst lengthAfter = arcLengths[ i + 1 ];\n\n\t\tconst segmentLength = lengthAfter - lengthBefore;\n\n\t\t// determine where we are between the 'before' and 'after' points\n\n\t\tconst segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength;\n\n\t\t// add that fractional amount to t\n\n\t\tconst t = ( i + segmentFraction ) / ( il - 1 );\n\n\t\treturn t;\n\n\t}\n\n\t// Returns a unit vector tangent at t\n\t// In case any sub curve does not implement its tangent derivation,\n\t// 2 points a small delta apart will be used to find its gradient\n\t// which seems to give a reasonable approximation\n\n\tgetTangent( t, optionalTarget ) {\n\n\t\tconst delta = 0.0001;\n\t\tlet t1 = t - delta;\n\t\tlet t2 = t + delta;\n\n\t\t// Capping in case of danger\n\n\t\tif ( t1 < 0 ) t1 = 0;\n\t\tif ( t2 > 1 ) t2 = 1;\n\n\t\tconst pt1 = this.getPoint( t1 );\n\t\tconst pt2 = this.getPoint( t2 );\n\n\t\tconst tangent = optionalTarget || ( ( pt1.isVector2 ) ? new Vector2() : new Vector3() );\n\n\t\ttangent.copy( pt2 ).sub( pt1 ).normalize();\n\n\t\treturn tangent;\n\n\t}\n\n\tgetTangentAt( u, optionalTarget ) {\n\n\t\tconst t = this.getUtoTmapping( u );\n\t\treturn this.getTangent( t, optionalTarget );\n\n\t}\n\n\tcomputeFrenetFrames( segments, closed ) {\n\n\t\t// see http://www.cs.indiana.edu/pub/techreports/TR425.pdf\n\n\t\tconst normal = new Vector3();\n\n\t\tconst tangents = [];\n\t\tconst normals = [];\n\t\tconst binormals = [];\n\n\t\tconst vec = new Vector3();\n\t\tconst mat = new Matrix4();\n\n\t\t// compute the tangent vectors for each segment on the curve\n\n\t\tfor ( let i = 0; i <= segments; i ++ ) {\n\n\t\t\tconst u = i / segments;\n\n\t\t\ttangents[ i ] = this.getTangentAt( u, new Vector3() );\n\n\t\t}\n\n\t\t// select an initial normal vector perpendicular to the first tangent vector,\n\t\t// and in the direction of the minimum tangent xyz component\n\n\t\tnormals[ 0 ] = new Vector3();\n\t\tbinormals[ 0 ] = new Vector3();\n\t\tlet min = Number.MAX_VALUE;\n\t\tconst tx = Math.abs( tangents[ 0 ].x );\n\t\tconst ty = Math.abs( tangents[ 0 ].y );\n\t\tconst tz = Math.abs( tangents[ 0 ].z );\n\n\t\tif ( tx <= min ) {\n\n\t\t\tmin = tx;\n\t\t\tnormal.set( 1, 0, 0 );\n\n\t\t}\n\n\t\tif ( ty <= min ) {\n\n\t\t\tmin = ty;\n\t\t\tnormal.set( 0, 1, 0 );\n\n\t\t}\n\n\t\tif ( tz <= min ) {\n\n\t\t\tnormal.set( 0, 0, 1 );\n\n\t\t}\n\n\t\tvec.crossVectors( tangents[ 0 ], normal ).normalize();\n\n\t\tnormals[ 0 ].crossVectors( tangents[ 0 ], vec );\n\t\tbinormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] );\n\n\n\t\t// compute the slowly-varying normal and binormal vectors for each segment on the curve\n\n\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\tnormals[ i ] = normals[ i - 1 ].clone();\n\n\t\t\tbinormals[ i ] = binormals[ i - 1 ].clone();\n\n\t\t\tvec.crossVectors( tangents[ i - 1 ], tangents[ i ] );\n\n\t\t\tif ( vec.length() > Number.EPSILON ) {\n\n\t\t\t\tvec.normalize();\n\n\t\t\t\tconst theta = Math.acos( clamp( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors\n\n\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) );\n\n\t\t\t}\n\n\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t}\n\n\t\t// if the curve is closed, postprocess the vectors so the first and last normal vectors are the same\n\n\t\tif ( closed === true ) {\n\n\t\t\tlet theta = Math.acos( clamp( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) );\n\t\t\ttheta /= segments;\n\n\t\t\tif ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) {\n\n\t\t\t\ttheta = - theta;\n\n\t\t\t}\n\n\t\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\t\t// twist a little...\n\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) );\n\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn {\n\t\t\ttangents: tangents,\n\t\t\tnormals: normals,\n\t\t\tbinormals: binormals\n\t\t};\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.arcLengthDivisions = source.arcLengthDivisions;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.5,\n\t\t\t\ttype: 'Curve',\n\t\t\t\tgenerator: 'Curve.toJSON'\n\t\t\t}\n\t\t};\n\n\t\tdata.arcLengthDivisions = this.arcLengthDivisions;\n\t\tdata.type = this.type;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tthis.arcLengthDivisions = json.arcLengthDivisions;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass EllipseCurve extends Curve {\n\n\tconstructor( aX = 0, aY = 0, xRadius = 1, yRadius = 1, aStartAngle = 0, aEndAngle = Math.PI * 2, aClockwise = false, aRotation = 0 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'EllipseCurve';\n\n\t\tthis.aX = aX;\n\t\tthis.aY = aY;\n\n\t\tthis.xRadius = xRadius;\n\t\tthis.yRadius = yRadius;\n\n\t\tthis.aStartAngle = aStartAngle;\n\t\tthis.aEndAngle = aEndAngle;\n\n\t\tthis.aClockwise = aClockwise;\n\n\t\tthis.aRotation = aRotation;\n\n\t}\n\n\tgetPoint( t, optionalTarget ) {\n\n\t\tconst point = optionalTarget || new Vector2();\n\n\t\tconst twoPi = Math.PI * 2;\n\t\tlet deltaAngle = this.aEndAngle - this.aStartAngle;\n\t\tconst samePoints = Math.abs( deltaAngle ) < Number.EPSILON;\n\n\t\t// ensures that deltaAngle is 0 .. 2 PI\n\t\twhile ( deltaAngle < 0 ) deltaAngle += twoPi;\n\t\twhile ( deltaAngle > twoPi ) deltaAngle -= twoPi;\n\n\t\tif ( deltaAngle < Number.EPSILON ) {\n\n\t\t\tif ( samePoints ) {\n\n\t\t\t\tdeltaAngle = 0;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.aClockwise === true && ! samePoints ) {\n\n\t\t\tif ( deltaAngle === twoPi ) {\n\n\t\t\t\tdeltaAngle = - twoPi;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = deltaAngle - twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst angle = this.aStartAngle + t * deltaAngle;\n\t\tlet x = this.aX + this.xRadius * Math.cos( angle );\n\t\tlet y = this.aY + this.yRadius * Math.sin( angle );\n\n\t\tif ( this.aRotation !== 0 ) {\n\n\t\t\tconst cos = Math.cos( this.aRotation );\n\t\t\tconst sin = Math.sin( this.aRotation );\n\n\t\t\tconst tx = x - this.aX;\n\t\t\tconst ty = y - this.aY;\n\n\t\t\t// Rotate the point about the center of the ellipse.\n\t\t\tx = tx * cos - ty * sin + this.aX;\n\t\t\ty = tx * sin + ty * cos + this.aY;\n\n\t\t}\n\n\t\treturn point.set( x, y );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.aX = source.aX;\n\t\tthis.aY = source.aY;\n\n\t\tthis.xRadius = source.xRadius;\n\t\tthis.yRadius = source.yRadius;\n\n\t\tthis.aStartAngle = source.aStartAngle;\n\t\tthis.aEndAngle = source.aEndAngle;\n\n\t\tthis.aClockwise = source.aClockwise;\n\n\t\tthis.aRotation = source.aRotation;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.aX = this.aX;\n\t\tdata.aY = this.aY;\n\n\t\tdata.xRadius = this.xRadius;\n\t\tdata.yRadius = this.yRadius;\n\n\t\tdata.aStartAngle = this.aStartAngle;\n\t\tdata.aEndAngle = this.aEndAngle;\n\n\t\tdata.aClockwise = this.aClockwise;\n\n\t\tdata.aRotation = this.aRotation;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.aX = json.aX;\n\t\tthis.aY = json.aY;\n\n\t\tthis.xRadius = json.xRadius;\n\t\tthis.yRadius = json.yRadius;\n\n\t\tthis.aStartAngle = json.aStartAngle;\n\t\tthis.aEndAngle = json.aEndAngle;\n\n\t\tthis.aClockwise = json.aClockwise;\n\n\t\tthis.aRotation = json.aRotation;\n\n\t\treturn this;\n\n\t}\n\n}\n\nEllipseCurve.prototype.isEllipseCurve = true;\n\nclass ArcCurve extends EllipseCurve {\n\n\tconstructor( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tsuper( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\tthis.type = 'ArcCurve';\n\n\t}\n\n}\n\nArcCurve.prototype.isArcCurve = true;\n\n/**\n * Centripetal CatmullRom Curve - which is useful for avoiding\n * cusps and self-intersections in non-uniform catmull rom curves.\n * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf\n *\n * curve.type accepts centripetal(default), chordal and catmullrom\n * curve.tension is used for catmullrom which defaults to 0.5\n */\n\n\n/*\nBased on an optimized c++ solution in\n - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/\n - http://ideone.com/NoEbVM\n\nThis CubicPoly class could be used for reusing some variables and calculations,\nbut for three.js curve use, it could be possible inlined and flatten into a single function call\nwhich can be placed in CurveUtils.\n*/\n\nfunction CubicPoly() {\n\n\tlet c0 = 0, c1 = 0, c2 = 0, c3 = 0;\n\n\t/*\n\t * Compute coefficients for a cubic polynomial\n\t * p(s) = c0 + c1*s + c2*s^2 + c3*s^3\n\t * such that\n\t * p(0) = x0, p(1) = x1\n\t * and\n\t * p'(0) = t0, p'(1) = t1.\n\t */\n\tfunction init( x0, x1, t0, t1 ) {\n\n\t\tc0 = x0;\n\t\tc1 = t0;\n\t\tc2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1;\n\t\tc3 = 2 * x0 - 2 * x1 + t0 + t1;\n\n\t}\n\n\treturn {\n\n\t\tinitCatmullRom: function ( x0, x1, x2, x3, tension ) {\n\n\t\t\tinit( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) );\n\n\t\t},\n\n\t\tinitNonuniformCatmullRom: function ( x0, x1, x2, x3, dt0, dt1, dt2 ) {\n\n\t\t\t// compute tangents when parameterized in [t1,t2]\n\t\t\tlet t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1;\n\t\t\tlet t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2;\n\n\t\t\t// rescale tangents for parametrization in [0,1]\n\t\t\tt1 *= dt1;\n\t\t\tt2 *= dt1;\n\n\t\t\tinit( x1, x2, t1, t2 );\n\n\t\t},\n\n\t\tcalc: function ( t ) {\n\n\t\t\tconst t2 = t * t;\n\t\t\tconst t3 = t2 * t;\n\t\t\treturn c0 + c1 * t + c2 * t2 + c3 * t3;\n\n\t\t}\n\n\t};\n\n}\n\n//\n\nconst tmp = new Vector3();\nconst px = new CubicPoly(), py = new CubicPoly(), pz = new CubicPoly();\n\nclass CatmullRomCurve3 extends Curve {\n\n\tconstructor( points = [], closed = false, curveType = 'centripetal', tension = 0.5 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CatmullRomCurve3';\n\n\t\tthis.points = points;\n\t\tthis.closed = closed;\n\t\tthis.curveType = curveType;\n\t\tthis.tension = tension;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst points = this.points;\n\t\tconst l = points.length;\n\n\t\tconst p = ( l - ( this.closed ? 0 : 1 ) ) * t;\n\t\tlet intPoint = Math.floor( p );\n\t\tlet weight = p - intPoint;\n\n\t\tif ( this.closed ) {\n\n\t\t\tintPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / l ) + 1 ) * l;\n\n\t\t} else if ( weight === 0 && intPoint === l - 1 ) {\n\n\t\t\tintPoint = l - 2;\n\t\t\tweight = 1;\n\n\t\t}\n\n\t\tlet p0, p3; // 4 points (p1 & p2 defined below)\n\n\t\tif ( this.closed || intPoint > 0 ) {\n\n\t\t\tp0 = points[ ( intPoint - 1 ) % l ];\n\n\t\t} else {\n\n\t\t\t// extrapolate first point\n\t\t\ttmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] );\n\t\t\tp0 = tmp;\n\n\t\t}\n\n\t\tconst p1 = points[ intPoint % l ];\n\t\tconst p2 = points[ ( intPoint + 1 ) % l ];\n\n\t\tif ( this.closed || intPoint + 2 < l ) {\n\n\t\t\tp3 = points[ ( intPoint + 2 ) % l ];\n\n\t\t} else {\n\n\t\t\t// extrapolate last point\n\t\t\ttmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] );\n\t\t\tp3 = tmp;\n\n\t\t}\n\n\t\tif ( this.curveType === 'centripetal' || this.curveType === 'chordal' ) {\n\n\t\t\t// init Centripetal / Chordal Catmull-Rom\n\t\t\tconst pow = this.curveType === 'chordal' ? 0.5 : 0.25;\n\t\t\tlet dt0 = Math.pow( p0.distanceToSquared( p1 ), pow );\n\t\t\tlet dt1 = Math.pow( p1.distanceToSquared( p2 ), pow );\n\t\t\tlet dt2 = Math.pow( p2.distanceToSquared( p3 ), pow );\n\n\t\t\t// safety check for repeated points\n\t\t\tif ( dt1 < 1e-4 ) dt1 = 1.0;\n\t\t\tif ( dt0 < 1e-4 ) dt0 = dt1;\n\t\t\tif ( dt2 < 1e-4 ) dt2 = dt1;\n\n\t\t\tpx.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 );\n\t\t\tpy.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 );\n\t\t\tpz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 );\n\n\t\t} else if ( this.curveType === 'catmullrom' ) {\n\n\t\t\tpx.initCatmullRom( p0.x, p1.x, p2.x, p3.x, this.tension );\n\t\t\tpy.initCatmullRom( p0.y, p1.y, p2.y, p3.y, this.tension );\n\t\t\tpz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, this.tension );\n\n\t\t}\n\n\t\tpoint.set(\n\t\t\tpx.calc( weight ),\n\t\t\tpy.calc( weight ),\n\t\t\tpz.calc( weight )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = source.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = source.points[ i ];\n\n\t\t\tthis.points.push( point.clone() );\n\n\t\t}\n\n\t\tthis.closed = source.closed;\n\t\tthis.curveType = source.curveType;\n\t\tthis.tension = source.tension;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.points = [];\n\n\t\tfor ( let i = 0, l = this.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = this.points[ i ];\n\t\t\tdata.points.push( point.toArray() );\n\n\t\t}\n\n\t\tdata.closed = this.closed;\n\t\tdata.curveType = this.curveType;\n\t\tdata.tension = this.tension;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = json.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = json.points[ i ];\n\t\t\tthis.points.push( new Vector3().fromArray( point ) );\n\n\t\t}\n\n\t\tthis.closed = json.closed;\n\t\tthis.curveType = json.curveType;\n\t\tthis.tension = json.tension;\n\n\t\treturn this;\n\n\t}\n\n}\n\nCatmullRomCurve3.prototype.isCatmullRomCurve3 = true;\n\n/**\n * Bezier Curves formulas obtained from\n * http://en.wikipedia.org/wiki/B\u00E9zier_curve\n */\n\nfunction CatmullRom( t, p0, p1, p2, p3 ) {\n\n\tconst v0 = ( p2 - p0 ) * 0.5;\n\tconst v1 = ( p3 - p1 ) * 0.5;\n\tconst t2 = t * t;\n\tconst t3 = t * t2;\n\treturn ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n}\n\n//\n\nfunction QuadraticBezierP0( t, p ) {\n\n\tconst k = 1 - t;\n\treturn k * k * p;\n\n}\n\nfunction QuadraticBezierP1( t, p ) {\n\n\treturn 2 * ( 1 - t ) * t * p;\n\n}\n\nfunction QuadraticBezierP2( t, p ) {\n\n\treturn t * t * p;\n\n}\n\nfunction QuadraticBezier( t, p0, p1, p2 ) {\n\n\treturn QuadraticBezierP0( t, p0 ) + QuadraticBezierP1( t, p1 ) +\n\t\tQuadraticBezierP2( t, p2 );\n\n}\n\n//\n\nfunction CubicBezierP0( t, p ) {\n\n\tconst k = 1 - t;\n\treturn k * k * k * p;\n\n}\n\nfunction CubicBezierP1( t, p ) {\n\n\tconst k = 1 - t;\n\treturn 3 * k * k * t * p;\n\n}\n\nfunction CubicBezierP2( t, p ) {\n\n\treturn 3 * ( 1 - t ) * t * t * p;\n\n}\n\nfunction CubicBezierP3( t, p ) {\n\n\treturn t * t * t * p;\n\n}\n\nfunction CubicBezier( t, p0, p1, p2, p3 ) {\n\n\treturn CubicBezierP0( t, p0 ) + CubicBezierP1( t, p1 ) + CubicBezierP2( t, p2 ) +\n\t\tCubicBezierP3( t, p3 );\n\n}\n\nclass CubicBezierCurve extends Curve {\n\n\tconstructor( v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2(), v3 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CubicBezierCurve';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\t\tthis.v3 = v3;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3;\n\n\t\tpoint.set(\n\t\t\tCubicBezier( t, v0.x, v1.x, v2.x, v3.x ),\n\t\t\tCubicBezier( t, v0.y, v1.y, v2.y, v3.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\t\tthis.v3.copy( source.v3 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\t\tdata.v3 = this.v3.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\t\tthis.v3.fromArray( json.v3 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nCubicBezierCurve.prototype.isCubicBezierCurve = true;\n\nclass CubicBezierCurve3 extends Curve {\n\n\tconstructor( v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3(), v3 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CubicBezierCurve3';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\t\tthis.v3 = v3;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3;\n\n\t\tpoint.set(\n\t\t\tCubicBezier( t, v0.x, v1.x, v2.x, v3.x ),\n\t\t\tCubicBezier( t, v0.y, v1.y, v2.y, v3.y ),\n\t\t\tCubicBezier( t, v0.z, v1.z, v2.z, v3.z )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\t\tthis.v3.copy( source.v3 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\t\tdata.v3 = this.v3.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\t\tthis.v3.fromArray( json.v3 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nCubicBezierCurve3.prototype.isCubicBezierCurve3 = true;\n\nclass LineCurve extends Curve {\n\n\tconstructor( v1 = new Vector2(), v2 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LineCurve';\n\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tif ( t === 1 ) {\n\n\t\t\tpoint.copy( this.v2 );\n\n\t\t} else {\n\n\t\t\tpoint.copy( this.v2 ).sub( this.v1 );\n\t\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\t}\n\n\t\treturn point;\n\n\t}\n\n\t// Line curve is linear, so we can overwrite default getPointAt\n\tgetPointAt( u, optionalTarget ) {\n\n\t\treturn this.getPoint( u, optionalTarget );\n\n\t}\n\n\tgetTangent( t, optionalTarget ) {\n\n\t\tconst tangent = optionalTarget || new Vector2();\n\n\t\ttangent.copy( this.v2 ).sub( this.v1 ).normalize();\n\n\t\treturn tangent;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nLineCurve.prototype.isLineCurve = true;\n\nclass LineCurve3 extends Curve {\n\n\tconstructor( v1 = new Vector3(), v2 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LineCurve3';\n\t\tthis.isLineCurve3 = true;\n\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tif ( t === 1 ) {\n\n\t\t\tpoint.copy( this.v2 );\n\n\t\t} else {\n\n\t\t\tpoint.copy( this.v2 ).sub( this.v1 );\n\t\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\t}\n\n\t\treturn point;\n\n\t}\n\t// Line curve is linear, so we can overwrite default getPointAt\n\tgetPointAt( u, optionalTarget ) {\n\n\t\treturn this.getPoint( u, optionalTarget );\n\n\t}\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass QuadraticBezierCurve extends Curve {\n\n\tconstructor( v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'QuadraticBezierCurve';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2;\n\n\t\tpoint.set(\n\t\t\tQuadraticBezier( t, v0.x, v1.x, v2.x ),\n\t\t\tQuadraticBezier( t, v0.y, v1.y, v2.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nQuadraticBezierCurve.prototype.isQuadraticBezierCurve = true;\n\nclass QuadraticBezierCurve3 extends Curve {\n\n\tconstructor( v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'QuadraticBezierCurve3';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2;\n\n\t\tpoint.set(\n\t\t\tQuadraticBezier( t, v0.x, v1.x, v2.x ),\n\t\t\tQuadraticBezier( t, v0.y, v1.y, v2.y ),\n\t\t\tQuadraticBezier( t, v0.z, v1.z, v2.z )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nQuadraticBezierCurve3.prototype.isQuadraticBezierCurve3 = true;\n\nclass SplineCurve extends Curve {\n\n\tconstructor( points = [] ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'SplineCurve';\n\n\t\tthis.points = points;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst points = this.points;\n\t\tconst p = ( points.length - 1 ) * t;\n\n\t\tconst intPoint = Math.floor( p );\n\t\tconst weight = p - intPoint;\n\n\t\tconst p0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ];\n\t\tconst p1 = points[ intPoint ];\n\t\tconst p2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\tconst p3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\tpoint.set(\n\t\t\tCatmullRom( weight, p0.x, p1.x, p2.x, p3.x ),\n\t\t\tCatmullRom( weight, p0.y, p1.y, p2.y, p3.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = source.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = source.points[ i ];\n\n\t\t\tthis.points.push( point.clone() );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.points = [];\n\n\t\tfor ( let i = 0, l = this.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = this.points[ i ];\n\t\t\tdata.points.push( point.toArray() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = json.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = json.points[ i ];\n\t\t\tthis.points.push( new Vector2().fromArray( point ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nSplineCurve.prototype.isSplineCurve = true;\n\nvar Curves = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tArcCurve: ArcCurve,\n\tCatmullRomCurve3: CatmullRomCurve3,\n\tCubicBezierCurve: CubicBezierCurve,\n\tCubicBezierCurve3: CubicBezierCurve3,\n\tEllipseCurve: EllipseCurve,\n\tLineCurve: LineCurve,\n\tLineCurve3: LineCurve3,\n\tQuadraticBezierCurve: QuadraticBezierCurve,\n\tQuadraticBezierCurve3: QuadraticBezierCurve3,\n\tSplineCurve: SplineCurve\n});\n\n/**************************************************************\n *\tCurved Path - a curve path is simply a array of connected\n * curves, but retains the api of a curve\n **************************************************************/\n\nclass CurvePath extends Curve {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'CurvePath';\n\n\t\tthis.curves = [];\n\t\tthis.autoClose = false; // Automatically closes the path\n\n\t}\n\n\tadd( curve ) {\n\n\t\tthis.curves.push( curve );\n\n\t}\n\n\tclosePath() {\n\n\t\t// Add a line curve if start and end of lines are not connected\n\t\tconst startPoint = this.curves[ 0 ].getPoint( 0 );\n\t\tconst endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 );\n\n\t\tif ( ! startPoint.equals( endPoint ) ) {\n\n\t\t\tthis.curves.push( new LineCurve( endPoint, startPoint ) );\n\n\t\t}\n\n\t}\n\n\t// To get accurate point with reference to\n\t// entire path distance at time t,\n\t// following has to be done:\n\n\t// 1. Length of each sub path have to be known\n\t// 2. Locate and identify type of curve\n\t// 3. Get t for the curve\n\t// 4. Return curve.getPointAt(t')\n\n\tgetPoint( t, optionalTarget ) {\n\n\t\tconst d = t * this.getLength();\n\t\tconst curveLengths = this.getCurveLengths();\n\t\tlet i = 0;\n\n\t\t// To think about boundaries points.\n\n\t\twhile ( i < curveLengths.length ) {\n\n\t\t\tif ( curveLengths[ i ] >= d ) {\n\n\t\t\t\tconst diff = curveLengths[ i ] - d;\n\t\t\t\tconst curve = this.curves[ i ];\n\n\t\t\t\tconst segmentLength = curve.getLength();\n\t\t\t\tconst u = segmentLength === 0 ? 0 : 1 - diff / segmentLength;\n\n\t\t\t\treturn curve.getPointAt( u, optionalTarget );\n\n\t\t\t}\n\n\t\t\ti ++;\n\n\t\t}\n\n\t\treturn null;\n\n\t\t// loop where sum != 0, sum > d , sum+1 1 && ! points[ points.length - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\tpoints.push( points[ 0 ] );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.curves = [];\n\n\t\tfor ( let i = 0, l = source.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = source.curves[ i ];\n\n\t\t\tthis.curves.push( curve.clone() );\n\n\t\t}\n\n\t\tthis.autoClose = source.autoClose;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.autoClose = this.autoClose;\n\t\tdata.curves = [];\n\n\t\tfor ( let i = 0, l = this.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = this.curves[ i ];\n\t\t\tdata.curves.push( curve.toJSON() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.autoClose = json.autoClose;\n\t\tthis.curves = [];\n\n\t\tfor ( let i = 0, l = json.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = json.curves[ i ];\n\t\t\tthis.curves.push( new Curves[ curve.type ]().fromJSON( curve ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass Path extends CurvePath {\n\n\tconstructor( points ) {\n\n\t\tsuper();\n\t\tthis.type = 'Path';\n\n\t\tthis.currentPoint = new Vector2();\n\n\t\tif ( points ) {\n\n\t\t\tthis.setFromPoints( points );\n\n\t\t}\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tthis.moveTo( points[ 0 ].x, points[ 0 ].y );\n\n\t\tfor ( let i = 1, l = points.length; i < l; i ++ ) {\n\n\t\t\tthis.lineTo( points[ i ].x, points[ i ].y );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tmoveTo( x, y ) {\n\n\t\tthis.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying?\n\n\t\treturn this;\n\n\t}\n\n\tlineTo( x, y ) {\n\n\t\tconst curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) );\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( x, y );\n\n\t\treturn this;\n\n\t}\n\n\tquadraticCurveTo( aCPx, aCPy, aX, aY ) {\n\n\t\tconst curve = new QuadraticBezierCurve(\n\t\t\tthis.currentPoint.clone(),\n\t\t\tnew Vector2( aCPx, aCPy ),\n\t\t\tnew Vector2( aX, aY )\n\t\t);\n\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tbezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\tconst curve = new CubicBezierCurve(\n\t\t\tthis.currentPoint.clone(),\n\t\t\tnew Vector2( aCP1x, aCP1y ),\n\t\t\tnew Vector2( aCP2x, aCP2y ),\n\t\t\tnew Vector2( aX, aY )\n\t\t);\n\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tsplineThru( pts /*Array of Vector*/ ) {\n\n\t\tconst npts = [ this.currentPoint.clone() ].concat( pts );\n\n\t\tconst curve = new SplineCurve( npts );\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.copy( pts[ pts.length - 1 ] );\n\n\t\treturn this;\n\n\t}\n\n\tarc( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tconst x0 = this.currentPoint.x;\n\t\tconst y0 = this.currentPoint.y;\n\n\t\tthis.absarc( aX + x0, aY + y0, aRadius,\n\t\t\taStartAngle, aEndAngle, aClockwise );\n\n\t\treturn this;\n\n\t}\n\n\tabsarc( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tthis.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\treturn this;\n\n\t}\n\n\tellipse( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tconst x0 = this.currentPoint.x;\n\t\tconst y0 = this.currentPoint.y;\n\n\t\tthis.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\treturn this;\n\n\t}\n\n\tabsellipse( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tconst curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\tif ( this.curves.length > 0 ) {\n\n\t\t\t// if a previous curve is present, attempt to join\n\t\t\tconst firstPoint = curve.getPoint( 0 );\n\n\t\t\tif ( ! firstPoint.equals( this.currentPoint ) ) {\n\n\t\t\t\tthis.lineTo( firstPoint.x, firstPoint.y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.curves.push( curve );\n\n\t\tconst lastPoint = curve.getPoint( 1 );\n\t\tthis.currentPoint.copy( lastPoint );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.currentPoint.copy( source.currentPoint );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.currentPoint = this.currentPoint.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.currentPoint.fromArray( json.currentPoint );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass Shape extends Path {\n\n\tconstructor( points ) {\n\n\t\tsuper( points );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.type = 'Shape';\n\n\t\tthis.holes = [];\n\n\t}\n\n\tgetPointsHoles( divisions ) {\n\n\t\tconst holesPts = [];\n\n\t\tfor ( let i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\tholesPts[ i ] = this.holes[ i ].getPoints( divisions );\n\n\t\t}\n\n\t\treturn holesPts;\n\n\t}\n\n\t// get points of shape and holes (keypoints based on segments parameter)\n\n\textractPoints( divisions ) {\n\n\t\treturn {\n\n\t\t\tshape: this.getPoints( divisions ),\n\t\t\tholes: this.getPointsHoles( divisions )\n\n\t\t};\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.holes = [];\n\n\t\tfor ( let i = 0, l = source.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = source.holes[ i ];\n\n\t\t\tthis.holes.push( hole.clone() );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.uuid = this.uuid;\n\t\tdata.holes = [];\n\n\t\tfor ( let i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = this.holes[ i ];\n\t\t\tdata.holes.push( hole.toJSON() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.uuid = json.uuid;\n\t\tthis.holes = [];\n\n\t\tfor ( let i = 0, l = json.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = json.holes[ i ];\n\t\t\tthis.holes.push( new Path().fromJSON( hole ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * Port from https://github.com/mapbox/earcut (v2.2.2)\n */\n\nconst Earcut = {\n\n\ttriangulate: function ( data, holeIndices, dim = 2 ) {\n\n\t\tconst hasHoles = holeIndices && holeIndices.length;\n\t\tconst outerLen = hasHoles ? holeIndices[ 0 ] * dim : data.length;\n\t\tlet outerNode = linkedList( data, 0, outerLen, dim, true );\n\t\tconst triangles = [];\n\n\t\tif ( ! outerNode || outerNode.next === outerNode.prev ) return triangles;\n\n\t\tlet minX, minY, maxX, maxY, x, y, invSize;\n\n\t\tif ( hasHoles ) outerNode = eliminateHoles( data, holeIndices, outerNode, dim );\n\n\t\t// if the shape is not too simple, we'll use z-order curve hash later; calculate polygon bbox\n\t\tif ( data.length > 80 * dim ) {\n\n\t\t\tminX = maxX = data[ 0 ];\n\t\t\tminY = maxY = data[ 1 ];\n\n\t\t\tfor ( let i = dim; i < outerLen; i += dim ) {\n\n\t\t\t\tx = data[ i ];\n\t\t\t\ty = data[ i + 1 ];\n\t\t\t\tif ( x < minX ) minX = x;\n\t\t\t\tif ( y < minY ) minY = y;\n\t\t\t\tif ( x > maxX ) maxX = x;\n\t\t\t\tif ( y > maxY ) maxY = y;\n\n\t\t\t}\n\n\t\t\t// minX, minY and invSize are later used to transform coords into integers for z-order calculation\n\t\t\tinvSize = Math.max( maxX - minX, maxY - minY );\n\t\t\tinvSize = invSize !== 0 ? 1 / invSize : 0;\n\n\t\t}\n\n\t\tearcutLinked( outerNode, triangles, dim, minX, minY, invSize );\n\n\t\treturn triangles;\n\n\t}\n\n};\n\n// create a circular doubly linked list from polygon points in the specified winding order\nfunction linkedList( data, start, end, dim, clockwise ) {\n\n\tlet i, last;\n\n\tif ( clockwise === ( signedArea( data, start, end, dim ) > 0 ) ) {\n\n\t\tfor ( i = start; i < end; i += dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last );\n\n\t} else {\n\n\t\tfor ( i = end - dim; i >= start; i -= dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last );\n\n\t}\n\n\tif ( last && equals( last, last.next ) ) {\n\n\t\tremoveNode( last );\n\t\tlast = last.next;\n\n\t}\n\n\treturn last;\n\n}\n\n// eliminate colinear or duplicate points\nfunction filterPoints( start, end ) {\n\n\tif ( ! start ) return start;\n\tif ( ! end ) end = start;\n\n\tlet p = start,\n\t\tagain;\n\tdo {\n\n\t\tagain = false;\n\n\t\tif ( ! p.steiner && ( equals( p, p.next ) || area( p.prev, p, p.next ) === 0 ) ) {\n\n\t\t\tremoveNode( p );\n\t\t\tp = end = p.prev;\n\t\t\tif ( p === p.next ) break;\n\t\t\tagain = true;\n\n\t\t} else {\n\n\t\t\tp = p.next;\n\n\t\t}\n\n\t} while ( again || p !== end );\n\n\treturn end;\n\n}\n\n// main ear slicing loop which triangulates a polygon (given as a linked list)\nfunction earcutLinked( ear, triangles, dim, minX, minY, invSize, pass ) {\n\n\tif ( ! ear ) return;\n\n\t// interlink polygon nodes in z-order\n\tif ( ! pass && invSize ) indexCurve( ear, minX, minY, invSize );\n\n\tlet stop = ear,\n\t\tprev, next;\n\n\t// iterate through ears, slicing them one by one\n\twhile ( ear.prev !== ear.next ) {\n\n\t\tprev = ear.prev;\n\t\tnext = ear.next;\n\n\t\tif ( invSize ? isEarHashed( ear, minX, minY, invSize ) : isEar( ear ) ) {\n\n\t\t\t// cut off the triangle\n\t\t\ttriangles.push( prev.i / dim );\n\t\t\ttriangles.push( ear.i / dim );\n\t\t\ttriangles.push( next.i / dim );\n\n\t\t\tremoveNode( ear );\n\n\t\t\t// skipping the next vertex leads to less sliver triangles\n\t\t\tear = next.next;\n\t\t\tstop = next.next;\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\tear = next;\n\n\t\t// if we looped through the whole remaining polygon and can't find any more ears\n\t\tif ( ear === stop ) {\n\n\t\t\t// try filtering points and slicing again\n\t\t\tif ( ! pass ) {\n\n\t\t\t\tearcutLinked( filterPoints( ear ), triangles, dim, minX, minY, invSize, 1 );\n\n\t\t\t\t// if this didn't work, try curing all small self-intersections locally\n\n\t\t\t} else if ( pass === 1 ) {\n\n\t\t\t\tear = cureLocalIntersections( filterPoints( ear ), triangles, dim );\n\t\t\t\tearcutLinked( ear, triangles, dim, minX, minY, invSize, 2 );\n\n\t\t\t\t// as a last resort, try splitting the remaining polygon into two\n\n\t\t\t} else if ( pass === 2 ) {\n\n\t\t\t\tsplitEarcut( ear, triangles, dim, minX, minY, invSize );\n\n\t\t\t}\n\n\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n}\n\n// check whether a polygon node forms a valid ear with adjacent nodes\nfunction isEar( ear ) {\n\n\tconst a = ear.prev,\n\t\tb = ear,\n\t\tc = ear.next;\n\n\tif ( area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear\n\n\t// now make sure we don't have other points inside the potential ear\n\tlet p = ear.next.next;\n\n\twhile ( p !== ear.prev ) {\n\n\t\tif ( pointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) &&\n\t\t\tarea( p.prev, p, p.next ) >= 0 ) return false;\n\t\tp = p.next;\n\n\t}\n\n\treturn true;\n\n}\n\nfunction isEarHashed( ear, minX, minY, invSize ) {\n\n\tconst a = ear.prev,\n\t\tb = ear,\n\t\tc = ear.next;\n\n\tif ( area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear\n\n\t// triangle bbox; min & max are calculated like this for speed\n\tconst minTX = a.x < b.x ? ( a.x < c.x ? a.x : c.x ) : ( b.x < c.x ? b.x : c.x ),\n\t\tminTY = a.y < b.y ? ( a.y < c.y ? a.y : c.y ) : ( b.y < c.y ? b.y : c.y ),\n\t\tmaxTX = a.x > b.x ? ( a.x > c.x ? a.x : c.x ) : ( b.x > c.x ? b.x : c.x ),\n\t\tmaxTY = a.y > b.y ? ( a.y > c.y ? a.y : c.y ) : ( b.y > c.y ? b.y : c.y );\n\n\t// z-order range for the current triangle bbox;\n\tconst minZ = zOrder( minTX, minTY, minX, minY, invSize ),\n\t\tmaxZ = zOrder( maxTX, maxTY, minX, minY, invSize );\n\n\tlet p = ear.prevZ,\n\t\tn = ear.nextZ;\n\n\t// look for points inside the triangle in both directions\n\twhile ( p && p.z >= minZ && n && n.z <= maxZ ) {\n\n\t\tif ( p !== ear.prev && p !== ear.next &&\n\t\t\tpointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) &&\n\t\t\tarea( p.prev, p, p.next ) >= 0 ) return false;\n\t\tp = p.prevZ;\n\n\t\tif ( n !== ear.prev && n !== ear.next &&\n\t\t\tpointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, n.x, n.y ) &&\n\t\t\tarea( n.prev, n, n.next ) >= 0 ) return false;\n\t\tn = n.nextZ;\n\n\t}\n\n\t// look for remaining points in decreasing z-order\n\twhile ( p && p.z >= minZ ) {\n\n\t\tif ( p !== ear.prev && p !== ear.next &&\n\t\t\tpointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) &&\n\t\t\tarea( p.prev, p, p.next ) >= 0 ) return false;\n\t\tp = p.prevZ;\n\n\t}\n\n\t// look for remaining points in increasing z-order\n\twhile ( n && n.z <= maxZ ) {\n\n\t\tif ( n !== ear.prev && n !== ear.next &&\n\t\t\tpointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, n.x, n.y ) &&\n\t\t\tarea( n.prev, n, n.next ) >= 0 ) return false;\n\t\tn = n.nextZ;\n\n\t}\n\n\treturn true;\n\n}\n\n// go through all polygon nodes and cure small local self-intersections\nfunction cureLocalIntersections( start, triangles, dim ) {\n\n\tlet p = start;\n\tdo {\n\n\t\tconst a = p.prev,\n\t\t\tb = p.next.next;\n\n\t\tif ( ! equals( a, b ) && intersects( a, p, p.next, b ) && locallyInside( a, b ) && locallyInside( b, a ) ) {\n\n\t\t\ttriangles.push( a.i / dim );\n\t\t\ttriangles.push( p.i / dim );\n\t\t\ttriangles.push( b.i / dim );\n\n\t\t\t// remove two nodes involved\n\t\t\tremoveNode( p );\n\t\t\tremoveNode( p.next );\n\n\t\t\tp = start = b;\n\n\t\t}\n\n\t\tp = p.next;\n\n\t} while ( p !== start );\n\n\treturn filterPoints( p );\n\n}\n\n// try splitting polygon into two and triangulate them independently\nfunction splitEarcut( start, triangles, dim, minX, minY, invSize ) {\n\n\t// look for a valid diagonal that divides the polygon into two\n\tlet a = start;\n\tdo {\n\n\t\tlet b = a.next.next;\n\t\twhile ( b !== a.prev ) {\n\n\t\t\tif ( a.i !== b.i && isValidDiagonal( a, b ) ) {\n\n\t\t\t\t// split the polygon in two by the diagonal\n\t\t\t\tlet c = splitPolygon( a, b );\n\n\t\t\t\t// filter colinear points around the cuts\n\t\t\t\ta = filterPoints( a, a.next );\n\t\t\t\tc = filterPoints( c, c.next );\n\n\t\t\t\t// run earcut on each half\n\t\t\t\tearcutLinked( a, triangles, dim, minX, minY, invSize );\n\t\t\t\tearcutLinked( c, triangles, dim, minX, minY, invSize );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tb = b.next;\n\n\t\t}\n\n\t\ta = a.next;\n\n\t} while ( a !== start );\n\n}\n\n// link every hole into the outer loop, producing a single-ring polygon without holes\nfunction eliminateHoles( data, holeIndices, outerNode, dim ) {\n\n\tconst queue = [];\n\tlet i, len, start, end, list;\n\n\tfor ( i = 0, len = holeIndices.length; i < len; i ++ ) {\n\n\t\tstart = holeIndices[ i ] * dim;\n\t\tend = i < len - 1 ? holeIndices[ i + 1 ] * dim : data.length;\n\t\tlist = linkedList( data, start, end, dim, false );\n\t\tif ( list === list.next ) list.steiner = true;\n\t\tqueue.push( getLeftmost( list ) );\n\n\t}\n\n\tqueue.sort( compareX );\n\n\t// process holes from left to right\n\tfor ( i = 0; i < queue.length; i ++ ) {\n\n\t\teliminateHole( queue[ i ], outerNode );\n\t\touterNode = filterPoints( outerNode, outerNode.next );\n\n\t}\n\n\treturn outerNode;\n\n}\n\nfunction compareX( a, b ) {\n\n\treturn a.x - b.x;\n\n}\n\n// find a bridge between vertices that connects hole with an outer ring and and link it\nfunction eliminateHole( hole, outerNode ) {\n\n\touterNode = findHoleBridge( hole, outerNode );\n\tif ( outerNode ) {\n\n\t\tconst b = splitPolygon( outerNode, hole );\n\n\t\t// filter collinear points around the cuts\n\t\tfilterPoints( outerNode, outerNode.next );\n\t\tfilterPoints( b, b.next );\n\n\t}\n\n}\n\n// David Eberly's algorithm for finding a bridge between hole and outer polygon\nfunction findHoleBridge( hole, outerNode ) {\n\n\tlet p = outerNode;\n\tconst hx = hole.x;\n\tconst hy = hole.y;\n\tlet qx = - Infinity, m;\n\n\t// find a segment intersected by a ray from the hole's leftmost point to the left;\n\t// segment's endpoint with lesser x will be potential connection point\n\tdo {\n\n\t\tif ( hy <= p.y && hy >= p.next.y && p.next.y !== p.y ) {\n\n\t\t\tconst x = p.x + ( hy - p.y ) * ( p.next.x - p.x ) / ( p.next.y - p.y );\n\t\t\tif ( x <= hx && x > qx ) {\n\n\t\t\t\tqx = x;\n\t\t\t\tif ( x === hx ) {\n\n\t\t\t\t\tif ( hy === p.y ) return p;\n\t\t\t\t\tif ( hy === p.next.y ) return p.next;\n\n\t\t\t\t}\n\n\t\t\t\tm = p.x < p.next.x ? p : p.next;\n\n\t\t\t}\n\n\t\t}\n\n\t\tp = p.next;\n\n\t} while ( p !== outerNode );\n\n\tif ( ! m ) return null;\n\n\tif ( hx === qx ) return m; // hole touches outer segment; pick leftmost endpoint\n\n\t// look for points inside the triangle of hole point, segment intersection and endpoint;\n\t// if there are no points found, we have a valid connection;\n\t// otherwise choose the point of the minimum angle with the ray as connection point\n\n\tconst stop = m,\n\t\tmx = m.x,\n\t\tmy = m.y;\n\tlet tanMin = Infinity, tan;\n\n\tp = m;\n\n\tdo {\n\n\t\tif ( hx >= p.x && p.x >= mx && hx !== p.x &&\n\t\t\t\tpointInTriangle( hy < my ? hx : qx, hy, mx, my, hy < my ? qx : hx, hy, p.x, p.y ) ) {\n\n\t\t\ttan = Math.abs( hy - p.y ) / ( hx - p.x ); // tangential\n\n\t\t\tif ( locallyInside( p, hole ) && ( tan < tanMin || ( tan === tanMin && ( p.x > m.x || ( p.x === m.x && sectorContainsSector( m, p ) ) ) ) ) ) {\n\n\t\t\t\tm = p;\n\t\t\t\ttanMin = tan;\n\n\t\t\t}\n\n\t\t}\n\n\t\tp = p.next;\n\n\t} while ( p !== stop );\n\n\treturn m;\n\n}\n\n// whether sector in vertex m contains sector in vertex p in the same coordinates\nfunction sectorContainsSector( m, p ) {\n\n\treturn area( m.prev, m, p.prev ) < 0 && area( p.next, m, m.next ) < 0;\n\n}\n\n// interlink polygon nodes in z-order\nfunction indexCurve( start, minX, minY, invSize ) {\n\n\tlet p = start;\n\tdo {\n\n\t\tif ( p.z === null ) p.z = zOrder( p.x, p.y, minX, minY, invSize );\n\t\tp.prevZ = p.prev;\n\t\tp.nextZ = p.next;\n\t\tp = p.next;\n\n\t} while ( p !== start );\n\n\tp.prevZ.nextZ = null;\n\tp.prevZ = null;\n\n\tsortLinked( p );\n\n}\n\n// Simon Tatham's linked list merge sort algorithm\n// http://www.chiark.greenend.org.uk/~sgtatham/algorithms/listsort.html\nfunction sortLinked( list ) {\n\n\tlet i, p, q, e, tail, numMerges, pSize, qSize,\n\t\tinSize = 1;\n\n\tdo {\n\n\t\tp = list;\n\t\tlist = null;\n\t\ttail = null;\n\t\tnumMerges = 0;\n\n\t\twhile ( p ) {\n\n\t\t\tnumMerges ++;\n\t\t\tq = p;\n\t\t\tpSize = 0;\n\t\t\tfor ( i = 0; i < inSize; i ++ ) {\n\n\t\t\t\tpSize ++;\n\t\t\t\tq = q.nextZ;\n\t\t\t\tif ( ! q ) break;\n\n\t\t\t}\n\n\t\t\tqSize = inSize;\n\n\t\t\twhile ( pSize > 0 || ( qSize > 0 && q ) ) {\n\n\t\t\t\tif ( pSize !== 0 && ( qSize === 0 || ! q || p.z <= q.z ) ) {\n\n\t\t\t\t\te = p;\n\t\t\t\t\tp = p.nextZ;\n\t\t\t\t\tpSize --;\n\n\t\t\t\t} else {\n\n\t\t\t\t\te = q;\n\t\t\t\t\tq = q.nextZ;\n\t\t\t\t\tqSize --;\n\n\t\t\t\t}\n\n\t\t\t\tif ( tail ) tail.nextZ = e;\n\t\t\t\telse list = e;\n\n\t\t\t\te.prevZ = tail;\n\t\t\t\ttail = e;\n\n\t\t\t}\n\n\t\t\tp = q;\n\n\t\t}\n\n\t\ttail.nextZ = null;\n\t\tinSize *= 2;\n\n\t} while ( numMerges > 1 );\n\n\treturn list;\n\n}\n\n// z-order of a point given coords and inverse of the longer side of data bbox\nfunction zOrder( x, y, minX, minY, invSize ) {\n\n\t// coords are transformed into non-negative 15-bit integer range\n\tx = 32767 * ( x - minX ) * invSize;\n\ty = 32767 * ( y - minY ) * invSize;\n\n\tx = ( x | ( x << 8 ) ) & 0x00FF00FF;\n\tx = ( x | ( x << 4 ) ) & 0x0F0F0F0F;\n\tx = ( x | ( x << 2 ) ) & 0x33333333;\n\tx = ( x | ( x << 1 ) ) & 0x55555555;\n\n\ty = ( y | ( y << 8 ) ) & 0x00FF00FF;\n\ty = ( y | ( y << 4 ) ) & 0x0F0F0F0F;\n\ty = ( y | ( y << 2 ) ) & 0x33333333;\n\ty = ( y | ( y << 1 ) ) & 0x55555555;\n\n\treturn x | ( y << 1 );\n\n}\n\n// find the leftmost node of a polygon ring\nfunction getLeftmost( start ) {\n\n\tlet p = start,\n\t\tleftmost = start;\n\tdo {\n\n\t\tif ( p.x < leftmost.x || ( p.x === leftmost.x && p.y < leftmost.y ) ) leftmost = p;\n\t\tp = p.next;\n\n\t} while ( p !== start );\n\n\treturn leftmost;\n\n}\n\n// check if a point lies within a convex triangle\nfunction pointInTriangle( ax, ay, bx, by, cx, cy, px, py ) {\n\n\treturn ( cx - px ) * ( ay - py ) - ( ax - px ) * ( cy - py ) >= 0 &&\n\t\t\t( ax - px ) * ( by - py ) - ( bx - px ) * ( ay - py ) >= 0 &&\n\t\t\t( bx - px ) * ( cy - py ) - ( cx - px ) * ( by - py ) >= 0;\n\n}\n\n// check if a diagonal between two polygon nodes is valid (lies in polygon interior)\nfunction isValidDiagonal( a, b ) {\n\n\treturn a.next.i !== b.i && a.prev.i !== b.i && ! intersectsPolygon( a, b ) && // dones't intersect other edges\n\t\t( locallyInside( a, b ) && locallyInside( b, a ) && middleInside( a, b ) && // locally visible\n\t\t( area( a.prev, a, b.prev ) || area( a, b.prev, b ) ) || // does not create opposite-facing sectors\n\t\tequals( a, b ) && area( a.prev, a, a.next ) > 0 && area( b.prev, b, b.next ) > 0 ); // special zero-length case\n\n}\n\n// signed area of a triangle\nfunction area( p, q, r ) {\n\n\treturn ( q.y - p.y ) * ( r.x - q.x ) - ( q.x - p.x ) * ( r.y - q.y );\n\n}\n\n// check if two points are equal\nfunction equals( p1, p2 ) {\n\n\treturn p1.x === p2.x && p1.y === p2.y;\n\n}\n\n// check if two segments intersect\nfunction intersects( p1, q1, p2, q2 ) {\n\n\tconst o1 = sign( area( p1, q1, p2 ) );\n\tconst o2 = sign( area( p1, q1, q2 ) );\n\tconst o3 = sign( area( p2, q2, p1 ) );\n\tconst o4 = sign( area( p2, q2, q1 ) );\n\n\tif ( o1 !== o2 && o3 !== o4 ) return true; // general case\n\n\tif ( o1 === 0 && onSegment( p1, p2, q1 ) ) return true; // p1, q1 and p2 are collinear and p2 lies on p1q1\n\tif ( o2 === 0 && onSegment( p1, q2, q1 ) ) return true; // p1, q1 and q2 are collinear and q2 lies on p1q1\n\tif ( o3 === 0 && onSegment( p2, p1, q2 ) ) return true; // p2, q2 and p1 are collinear and p1 lies on p2q2\n\tif ( o4 === 0 && onSegment( p2, q1, q2 ) ) return true; // p2, q2 and q1 are collinear and q1 lies on p2q2\n\n\treturn false;\n\n}\n\n// for collinear points p, q, r, check if point q lies on segment pr\nfunction onSegment( p, q, r ) {\n\n\treturn q.x <= Math.max( p.x, r.x ) && q.x >= Math.min( p.x, r.x ) && q.y <= Math.max( p.y, r.y ) && q.y >= Math.min( p.y, r.y );\n\n}\n\nfunction sign( num ) {\n\n\treturn num > 0 ? 1 : num < 0 ? - 1 : 0;\n\n}\n\n// check if a polygon diagonal intersects any polygon segments\nfunction intersectsPolygon( a, b ) {\n\n\tlet p = a;\n\tdo {\n\n\t\tif ( p.i !== a.i && p.next.i !== a.i && p.i !== b.i && p.next.i !== b.i &&\n\t\t\t\tintersects( p, p.next, a, b ) ) return true;\n\t\tp = p.next;\n\n\t} while ( p !== a );\n\n\treturn false;\n\n}\n\n// check if a polygon diagonal is locally inside the polygon\nfunction locallyInside( a, b ) {\n\n\treturn area( a.prev, a, a.next ) < 0 ?\n\t\tarea( a, b, a.next ) >= 0 && area( a, a.prev, b ) >= 0 :\n\t\tarea( a, b, a.prev ) < 0 || area( a, a.next, b ) < 0;\n\n}\n\n// check if the middle point of a polygon diagonal is inside the polygon\nfunction middleInside( a, b ) {\n\n\tlet p = a,\n\t\tinside = false;\n\tconst px = ( a.x + b.x ) / 2,\n\t\tpy = ( a.y + b.y ) / 2;\n\tdo {\n\n\t\tif ( ( ( p.y > py ) !== ( p.next.y > py ) ) && p.next.y !== p.y &&\n\t\t\t\t( px < ( p.next.x - p.x ) * ( py - p.y ) / ( p.next.y - p.y ) + p.x ) )\n\t\t\tinside = ! inside;\n\t\tp = p.next;\n\n\t} while ( p !== a );\n\n\treturn inside;\n\n}\n\n// link two polygon vertices with a bridge; if the vertices belong to the same ring, it splits polygon into two;\n// if one belongs to the outer ring and another to a hole, it merges it into a single ring\nfunction splitPolygon( a, b ) {\n\n\tconst a2 = new Node( a.i, a.x, a.y ),\n\t\tb2 = new Node( b.i, b.x, b.y ),\n\t\tan = a.next,\n\t\tbp = b.prev;\n\n\ta.next = b;\n\tb.prev = a;\n\n\ta2.next = an;\n\tan.prev = a2;\n\n\tb2.next = a2;\n\ta2.prev = b2;\n\n\tbp.next = b2;\n\tb2.prev = bp;\n\n\treturn b2;\n\n}\n\n// create a node and optionally link it with previous one (in a circular doubly linked list)\nfunction insertNode( i, x, y, last ) {\n\n\tconst p = new Node( i, x, y );\n\n\tif ( ! last ) {\n\n\t\tp.prev = p;\n\t\tp.next = p;\n\n\t} else {\n\n\t\tp.next = last.next;\n\t\tp.prev = last;\n\t\tlast.next.prev = p;\n\t\tlast.next = p;\n\n\t}\n\n\treturn p;\n\n}\n\nfunction removeNode( p ) {\n\n\tp.next.prev = p.prev;\n\tp.prev.next = p.next;\n\n\tif ( p.prevZ ) p.prevZ.nextZ = p.nextZ;\n\tif ( p.nextZ ) p.nextZ.prevZ = p.prevZ;\n\n}\n\nfunction Node( i, x, y ) {\n\n\t// vertex index in coordinates array\n\tthis.i = i;\n\n\t// vertex coordinates\n\tthis.x = x;\n\tthis.y = y;\n\n\t// previous and next vertex nodes in a polygon ring\n\tthis.prev = null;\n\tthis.next = null;\n\n\t// z-order curve value\n\tthis.z = null;\n\n\t// previous and next nodes in z-order\n\tthis.prevZ = null;\n\tthis.nextZ = null;\n\n\t// indicates whether this is a steiner point\n\tthis.steiner = false;\n\n}\n\nfunction signedArea( data, start, end, dim ) {\n\n\tlet sum = 0;\n\tfor ( let i = start, j = end - dim; i < end; i += dim ) {\n\n\t\tsum += ( data[ j ] - data[ i ] ) * ( data[ i + 1 ] + data[ j + 1 ] );\n\t\tj = i;\n\n\t}\n\n\treturn sum;\n\n}\n\nclass ShapeUtils {\n\n\t// calculate area of the contour polygon\n\n\tstatic area( contour ) {\n\n\t\tconst n = contour.length;\n\t\tlet a = 0.0;\n\n\t\tfor ( let p = n - 1, q = 0; q < n; p = q ++ ) {\n\n\t\t\ta += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y;\n\n\t\t}\n\n\t\treturn a * 0.5;\n\n\t}\n\n\tstatic isClockWise( pts ) {\n\n\t\treturn ShapeUtils.area( pts ) < 0;\n\n\t}\n\n\tstatic triangulateShape( contour, holes ) {\n\n\t\tconst vertices = []; // flat array of vertices like [ x0,y0, x1,y1, x2,y2, ... ]\n\t\tconst holeIndices = []; // array of hole indices\n\t\tconst faces = []; // final array of vertex indices like [ [ a,b,d ], [ b,c,d ] ]\n\n\t\tremoveDupEndPts( contour );\n\t\taddContour( vertices, contour );\n\n\t\t//\n\n\t\tlet holeIndex = contour.length;\n\n\t\tholes.forEach( removeDupEndPts );\n\n\t\tfor ( let i = 0; i < holes.length; i ++ ) {\n\n\t\t\tholeIndices.push( holeIndex );\n\t\t\tholeIndex += holes[ i ].length;\n\t\t\taddContour( vertices, holes[ i ] );\n\n\t\t}\n\n\t\t//\n\n\t\tconst triangles = Earcut.triangulate( vertices, holeIndices );\n\n\t\t//\n\n\t\tfor ( let i = 0; i < triangles.length; i += 3 ) {\n\n\t\t\tfaces.push( triangles.slice( i, i + 3 ) );\n\n\t\t}\n\n\t\treturn faces;\n\n\t}\n\n}\n\nfunction removeDupEndPts( points ) {\n\n\tconst l = points.length;\n\n\tif ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) {\n\n\t\tpoints.pop();\n\n\t}\n\n}\n\nfunction addContour( vertices, contour ) {\n\n\tfor ( let i = 0; i < contour.length; i ++ ) {\n\n\t\tvertices.push( contour[ i ].x );\n\t\tvertices.push( contour[ i ].y );\n\n\t}\n\n}\n\n/**\n * Creates extruded geometry from a path shape.\n *\n * parameters = {\n *\n * curveSegments: , // number of points on the curves\n * steps: , // number of points for z-side extrusions / used for subdividing segments of extrude spline too\n * depth: , // Depth to extrude the shape\n *\n * bevelEnabled: , // turn on bevel\n * bevelThickness: , // how deep into the original shape bevel goes\n * bevelSize: , // how far from shape outline (including bevelOffset) is bevel\n * bevelOffset: , // how far from shape outline does bevel start\n * bevelSegments: , // number of bevel layers\n *\n * extrudePath: // curve to extrude shape along\n *\n * UVGenerator: // object that provides UV generator functions\n *\n * }\n */\n\nclass ExtrudeGeometry extends BufferGeometry {\n\n\tconstructor( shapes = new Shape( [ new Vector2( 0.5, 0.5 ), new Vector2( - 0.5, 0.5 ), new Vector2( - 0.5, - 0.5 ), new Vector2( 0.5, - 0.5 ) ] ), options = {} ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ExtrudeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tshapes: shapes,\n\t\t\toptions: options\n\t\t};\n\n\t\tshapes = Array.isArray( shapes ) ? shapes : [ shapes ];\n\n\t\tconst scope = this;\n\n\t\tconst verticesArray = [];\n\t\tconst uvArray = [];\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\t\t\taddShape( shape );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( verticesArray, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvArray, 2 ) );\n\n\t\tthis.computeVertexNormals();\n\n\t\t// functions\n\n\t\tfunction addShape( shape ) {\n\n\t\t\tconst placeholder = [];\n\n\t\t\t// options\n\n\t\t\tconst curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\t\t\tconst steps = options.steps !== undefined ? options.steps : 1;\n\t\t\tlet depth = options.depth !== undefined ? options.depth : 1;\n\n\t\t\tlet bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true;\n\t\t\tlet bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 0.2;\n\t\t\tlet bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 0.1;\n\t\t\tlet bevelOffset = options.bevelOffset !== undefined ? options.bevelOffset : 0;\n\t\t\tlet bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3;\n\n\t\t\tconst extrudePath = options.extrudePath;\n\n\t\t\tconst uvgen = options.UVGenerator !== undefined ? options.UVGenerator : WorldUVGenerator;\n\n\t\t\t// deprecated options\n\n\t\t\tif ( options.amount !== undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ExtrudeBufferGeometry: amount has been renamed to depth.' );\n\t\t\t\tdepth = options.amount;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tlet extrudePts, extrudeByPath = false;\n\t\t\tlet splineTube, binormal, normal, position2;\n\n\t\t\tif ( extrudePath ) {\n\n\t\t\t\textrudePts = extrudePath.getSpacedPoints( steps );\n\n\t\t\t\textrudeByPath = true;\n\t\t\t\tbevelEnabled = false; // bevels not supported for path extrusion\n\n\t\t\t\t// SETUP TNB variables\n\n\t\t\t\t// TODO1 - have a .isClosed in spline?\n\n\t\t\t\tsplineTube = extrudePath.computeFrenetFrames( steps, false );\n\n\t\t\t\t// console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length);\n\n\t\t\t\tbinormal = new Vector3();\n\t\t\t\tnormal = new Vector3();\n\t\t\t\tposition2 = new Vector3();\n\n\t\t\t}\n\n\t\t\t// Safeguards if bevels are not enabled\n\n\t\t\tif ( ! bevelEnabled ) {\n\n\t\t\t\tbevelSegments = 0;\n\t\t\t\tbevelThickness = 0;\n\t\t\t\tbevelSize = 0;\n\t\t\t\tbevelOffset = 0;\n\n\t\t\t}\n\n\t\t\t// Variables initialization\n\n\t\t\tconst shapePoints = shape.extractPoints( curveSegments );\n\n\t\t\tlet vertices = shapePoints.shape;\n\t\t\tconst holes = shapePoints.holes;\n\n\t\t\tconst reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\t\tif ( reverse ) {\n\n\t\t\t\tvertices = vertices.reverse();\n\n\t\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe ...\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\t\tif ( ShapeUtils.isClockWise( ahole ) ) {\n\n\t\t\t\t\t\tholes[ h ] = ahole.reverse();\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\tconst faces = ShapeUtils.triangulateShape( vertices, holes );\n\n\t\t\t/* Vertices */\n\n\t\t\tconst contour = vertices; // vertices has all points but contour has only points of circumference\n\n\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\tvertices = vertices.concat( ahole );\n\n\t\t\t}\n\n\n\t\t\tfunction scalePt2( pt, vec, size ) {\n\n\t\t\t\tif ( ! vec ) console.error( 'THREE.ExtrudeGeometry: vec does not exist' );\n\n\t\t\t\treturn vec.clone().multiplyScalar( size ).add( pt );\n\n\t\t\t}\n\n\t\t\tconst vlen = vertices.length, flen = faces.length;\n\n\n\t\t\t// Find directions for point movement\n\n\n\t\t\tfunction getBevelVec( inPt, inPrev, inNext ) {\n\n\t\t\t\t// computes for inPt the corresponding point inPt' on a new contour\n\t\t\t\t// shifted by 1 unit (length of normalized vector) to the left\n\t\t\t\t// if we walk along contour clockwise, this new contour is outside the old one\n\t\t\t\t//\n\t\t\t\t// inPt' is the intersection of the two lines parallel to the two\n\t\t\t\t// adjacent edges of inPt at a distance of 1 unit on the left side.\n\n\t\t\t\tlet v_trans_x, v_trans_y, shrink_by; // resulting translation vector for inPt\n\n\t\t\t\t// good reading for geometry algorithms (here: line-line intersection)\n\t\t\t\t// http://geomalgorithms.com/a05-_intersect-1.html\n\n\t\t\t\tconst v_prev_x = inPt.x - inPrev.x,\n\t\t\t\t\tv_prev_y = inPt.y - inPrev.y;\n\t\t\t\tconst v_next_x = inNext.x - inPt.x,\n\t\t\t\t\tv_next_y = inNext.y - inPt.y;\n\n\t\t\t\tconst v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y );\n\n\t\t\t\t// check for collinear edges\n\t\t\t\tconst collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\tif ( Math.abs( collinear0 ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not collinear\n\n\t\t\t\t\t// length of vectors for normalizing\n\n\t\t\t\t\tconst v_prev_len = Math.sqrt( v_prev_lensq );\n\t\t\t\t\tconst v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y );\n\n\t\t\t\t\t// shift adjacent points by unit vectors to the left\n\n\t\t\t\t\tconst ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len );\n\t\t\t\t\tconst ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len );\n\n\t\t\t\t\tconst ptNextShift_x = ( inNext.x - v_next_y / v_next_len );\n\t\t\t\t\tconst ptNextShift_y = ( inNext.y + v_next_x / v_next_len );\n\n\t\t\t\t\t// scaling factor for v_prev to intersection point\n\n\t\t\t\t\tconst sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y -\n\t\t\t\t\t\t\t( ptNextShift_y - ptPrevShift_y ) * v_next_x ) /\n\t\t\t\t\t\t( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\t\t// vector from inPt to intersection point\n\n\t\t\t\t\tv_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x );\n\t\t\t\t\tv_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y );\n\n\t\t\t\t\t// Don't normalize!, otherwise sharp corners become ugly\n\t\t\t\t\t// but prevent crazy spikes\n\t\t\t\t\tconst v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y );\n\t\t\t\t\tif ( v_trans_lensq <= 2 ) {\n\n\t\t\t\t\t\treturn new Vector2( v_trans_x, v_trans_y );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_trans_lensq / 2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// handle special case of collinear edges\n\n\t\t\t\t\tlet direction_eq = false; // assumes: opposite\n\n\t\t\t\t\tif ( v_prev_x > Number.EPSILON ) {\n\n\t\t\t\t\t\tif ( v_next_x > Number.EPSILON ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( v_prev_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\tif ( v_next_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) {\n\n\t\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( direction_eq ) {\n\n\t\t\t\t\t\t// console.log(\"Warning: lines are a straight sequence\");\n\t\t\t\t\t\tv_trans_x = - v_prev_y;\n\t\t\t\t\t\tv_trans_y = v_prev_x;\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// console.log(\"Warning: lines are a straight spike\");\n\t\t\t\t\t\tv_trans_x = v_prev_x;\n\t\t\t\t\t\tv_trans_y = v_prev_y;\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq / 2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn new Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by );\n\n\t\t\t}\n\n\n\t\t\tconst contourMovements = [];\n\n\t\t\tfor ( let i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t// (j)---(i)---(k)\n\t\t\t\t// console.log('i,j,k', i, j , k)\n\n\t\t\t\tcontourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] );\n\n\t\t\t}\n\n\t\t\tconst holesMovements = [];\n\t\t\tlet oneHoleMovements, verticesMovements = contourMovements.concat();\n\n\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\toneHoleMovements = [];\n\n\t\t\t\tfor ( let i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t\t// (j)---(i)---(k)\n\t\t\t\t\toneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] );\n\n\t\t\t\t}\n\n\t\t\t\tholesMovements.push( oneHoleMovements );\n\t\t\t\tverticesMovements = verticesMovements.concat( oneHoleMovements );\n\n\t\t\t}\n\n\n\t\t\t// Loop bevelSegments, 1 for the front, 1 for the back\n\n\t\t\tfor ( let b = 0; b < bevelSegments; b ++ ) {\n\n\t\t\t\t//for ( b = bevelSegments; b > 0; b -- ) {\n\n\t\t\t\tconst t = b / bevelSegments;\n\t\t\t\tconst z = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\t\tconst bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset;\n\n\t\t\t\t// contract shape\n\n\t\t\t\tfor ( let i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst vert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\n\t\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t\t}\n\n\t\t\t\t// expand holes\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\t\tfor ( let i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst bs = bevelSize + bevelOffset;\n\n\t\t\t// Back facing vertices\n\n\t\t\tfor ( let i = 0; i < vlen; i ++ ) {\n\n\t\t\t\tconst vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\tv( vert.x, vert.y, 0 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x );\n\n\t\t\t\t\tnormal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x );\n\t\t\t\t\tbinormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\tposition2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal );\n\n\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Add stepped vertices...\n\t\t\t// Including front facing vertices\n\n\t\t\tfor ( let s = 1; s <= steps; s ++ ) {\n\n\t\t\t\tfor ( let i = 0; i < vlen; i ++ ) {\n\n\t\t\t\t\tconst vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\tv( vert.x, vert.y, depth / steps * s );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x );\n\n\t\t\t\t\t\tnormal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x );\n\t\t\t\t\t\tbinormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\t\tposition2.copy( extrudePts[ s ] ).add( normal ).add( binormal );\n\n\t\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\t// Add bevel segments planes\n\n\t\t\t//for ( b = 1; b <= bevelSegments; b ++ ) {\n\t\t\tfor ( let b = bevelSegments - 1; b >= 0; b -- ) {\n\n\t\t\t\tconst t = b / bevelSegments;\n\t\t\t\tconst z = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\t\tconst bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset;\n\n\t\t\t\t// contract shape\n\n\t\t\t\tfor ( let i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst vert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\t\t\t\t\tv( vert.x, vert.y, depth + z );\n\n\t\t\t\t}\n\n\t\t\t\t// expand holes\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\t\tfor ( let i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\t\tv( vert.x, vert.y, depth + z );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tv( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t/* Faces */\n\n\t\t\t// Top and bottom faces\n\n\t\t\tbuildLidFaces();\n\n\t\t\t// Sides faces\n\n\t\t\tbuildSideFaces();\n\n\n\t\t\t///// Internal functions\n\n\t\t\tfunction buildLidFaces() {\n\n\t\t\t\tconst start = verticesArray.length / 3;\n\n\t\t\t\tif ( bevelEnabled ) {\n\n\t\t\t\t\tlet layer = 0; // steps + 1\n\t\t\t\t\tlet offset = vlen * layer;\n\n\t\t\t\t\t// Bottom faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tlayer = steps + bevelSegments * 2;\n\t\t\t\t\toffset = vlen * layer;\n\n\t\t\t\t\t// Top faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Bottom faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 2 ], face[ 1 ], face[ 0 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Top faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tscope.addGroup( start, verticesArray.length / 3 - start, 0 );\n\n\t\t\t}\n\n\t\t\t// Create faces for the z-sides of the shape\n\n\t\t\tfunction buildSideFaces() {\n\n\t\t\t\tconst start = verticesArray.length / 3;\n\t\t\t\tlet layeroffset = 0;\n\t\t\t\tsidewalls( contour, layeroffset );\n\t\t\t\tlayeroffset += contour.length;\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\tsidewalls( ahole, layeroffset );\n\n\t\t\t\t\t//, true\n\t\t\t\t\tlayeroffset += ahole.length;\n\n\t\t\t\t}\n\n\n\t\t\t\tscope.addGroup( start, verticesArray.length / 3 - start, 1 );\n\n\n\t\t\t}\n\n\t\t\tfunction sidewalls( contour, layeroffset ) {\n\n\t\t\t\tlet i = contour.length;\n\n\t\t\t\twhile ( -- i >= 0 ) {\n\n\t\t\t\t\tconst j = i;\n\t\t\t\t\tlet k = i - 1;\n\t\t\t\t\tif ( k < 0 ) k = contour.length - 1;\n\n\t\t\t\t\t//console.log('b', i,j, i-1, k,vertices.length);\n\n\t\t\t\t\tfor ( let s = 0, sl = ( steps + bevelSegments * 2 ); s < sl; s ++ ) {\n\n\t\t\t\t\t\tconst slen1 = vlen * s;\n\t\t\t\t\t\tconst slen2 = vlen * ( s + 1 );\n\n\t\t\t\t\t\tconst a = layeroffset + j + slen1,\n\t\t\t\t\t\t\tb = layeroffset + k + slen1,\n\t\t\t\t\t\t\tc = layeroffset + k + slen2,\n\t\t\t\t\t\t\td = layeroffset + j + slen2;\n\n\t\t\t\t\t\tf4( a, b, c, d );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction v( x, y, z ) {\n\n\t\t\t\tplaceholder.push( x );\n\t\t\t\tplaceholder.push( y );\n\t\t\t\tplaceholder.push( z );\n\n\t\t\t}\n\n\n\t\t\tfunction f3( a, b, c ) {\n\n\t\t\t\taddVertex( a );\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( c );\n\n\t\t\t\tconst nextIndex = verticesArray.length / 3;\n\t\t\t\tconst uvs = uvgen.generateTopUV( scope, verticesArray, nextIndex - 3, nextIndex - 2, nextIndex - 1 );\n\n\t\t\t\taddUV( uvs[ 0 ] );\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 2 ] );\n\n\t\t\t}\n\n\t\t\tfunction f4( a, b, c, d ) {\n\n\t\t\t\taddVertex( a );\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( d );\n\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( c );\n\t\t\t\taddVertex( d );\n\n\n\t\t\t\tconst nextIndex = verticesArray.length / 3;\n\t\t\t\tconst uvs = uvgen.generateSideWallUV( scope, verticesArray, nextIndex - 6, nextIndex - 3, nextIndex - 2, nextIndex - 1 );\n\n\t\t\t\taddUV( uvs[ 0 ] );\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 3 ] );\n\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 2 ] );\n\t\t\t\taddUV( uvs[ 3 ] );\n\n\t\t\t}\n\n\t\t\tfunction addVertex( index ) {\n\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 0 ] );\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 1 ] );\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 2 ] );\n\n\t\t\t}\n\n\n\t\t\tfunction addUV( vector2 ) {\n\n\t\t\t\tuvArray.push( vector2.x );\n\t\t\t\tuvArray.push( vector2.y );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tconst shapes = this.parameters.shapes;\n\t\tconst options = this.parameters.options;\n\n\t\treturn toJSON$1( shapes, options, data );\n\n\t}\n\n\tstatic fromJSON( data, shapes ) {\n\n\t\tconst geometryShapes = [];\n\n\t\tfor ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) {\n\n\t\t\tconst shape = shapes[ data.shapes[ j ] ];\n\n\t\t\tgeometryShapes.push( shape );\n\n\t\t}\n\n\t\tconst extrudePath = data.options.extrudePath;\n\n\t\tif ( extrudePath !== undefined ) {\n\n\t\t\tdata.options.extrudePath = new Curves[ extrudePath.type ]().fromJSON( extrudePath );\n\n\t\t}\n\n\t\treturn new ExtrudeGeometry( geometryShapes, data.options );\n\n\t}\n\n}\n\nconst WorldUVGenerator = {\n\n\tgenerateTopUV: function ( geometry, vertices, indexA, indexB, indexC ) {\n\n\t\tconst a_x = vertices[ indexA * 3 ];\n\t\tconst a_y = vertices[ indexA * 3 + 1 ];\n\t\tconst b_x = vertices[ indexB * 3 ];\n\t\tconst b_y = vertices[ indexB * 3 + 1 ];\n\t\tconst c_x = vertices[ indexC * 3 ];\n\t\tconst c_y = vertices[ indexC * 3 + 1 ];\n\n\t\treturn [\n\t\t\tnew Vector2( a_x, a_y ),\n\t\t\tnew Vector2( b_x, b_y ),\n\t\t\tnew Vector2( c_x, c_y )\n\t\t];\n\n\t},\n\n\tgenerateSideWallUV: function ( geometry, vertices, indexA, indexB, indexC, indexD ) {\n\n\t\tconst a_x = vertices[ indexA * 3 ];\n\t\tconst a_y = vertices[ indexA * 3 + 1 ];\n\t\tconst a_z = vertices[ indexA * 3 + 2 ];\n\t\tconst b_x = vertices[ indexB * 3 ];\n\t\tconst b_y = vertices[ indexB * 3 + 1 ];\n\t\tconst b_z = vertices[ indexB * 3 + 2 ];\n\t\tconst c_x = vertices[ indexC * 3 ];\n\t\tconst c_y = vertices[ indexC * 3 + 1 ];\n\t\tconst c_z = vertices[ indexC * 3 + 2 ];\n\t\tconst d_x = vertices[ indexD * 3 ];\n\t\tconst d_y = vertices[ indexD * 3 + 1 ];\n\t\tconst d_z = vertices[ indexD * 3 + 2 ];\n\n\t\tif ( Math.abs( a_y - b_y ) < Math.abs( a_x - b_x ) ) {\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a_x, 1 - a_z ),\n\t\t\t\tnew Vector2( b_x, 1 - b_z ),\n\t\t\t\tnew Vector2( c_x, 1 - c_z ),\n\t\t\t\tnew Vector2( d_x, 1 - d_z )\n\t\t\t];\n\n\t\t} else {\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a_y, 1 - a_z ),\n\t\t\t\tnew Vector2( b_y, 1 - b_z ),\n\t\t\t\tnew Vector2( c_y, 1 - c_z ),\n\t\t\t\tnew Vector2( d_y, 1 - d_z )\n\t\t\t];\n\n\t\t}\n\n\t}\n\n};\n\nfunction toJSON$1( shapes, options, data ) {\n\n\tdata.shapes = [];\n\n\tif ( Array.isArray( shapes ) ) {\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\n\t\t\tdata.shapes.push( shape.uuid );\n\n\t\t}\n\n\t} else {\n\n\t\tdata.shapes.push( shapes.uuid );\n\n\t}\n\n\tif ( options.extrudePath !== undefined ) data.options.extrudePath = options.extrudePath.toJSON();\n\n\treturn data;\n\n}\n\nclass IcosahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\n\t\tconst vertices = [\n\t\t\t- 1, t, 0, \t1, t, 0, \t- 1, - t, 0, \t1, - t, 0,\n\t\t\t0, - 1, t, \t0, 1, t,\t0, - 1, - t, \t0, 1, - t,\n\t\t\tt, 0, - 1, \tt, 0, 1, \t- t, 0, - 1, \t- t, 0, 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t0, 11, 5, \t0, 5, 1, \t0, 1, 7, \t0, 7, 10, \t0, 10, 11,\n\t\t\t1, 5, 9, \t5, 11, 4,\t11, 10, 2,\t10, 7, 6,\t7, 1, 8,\n\t\t\t3, 9, 4, \t3, 4, 2,\t3, 2, 6,\t3, 6, 8,\t3, 8, 9,\n\t\t\t4, 9, 5, \t2, 4, 11,\t6, 2, 10,\t8, 6, 7,\t9, 8, 1\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'IcosahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new IcosahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nclass LatheGeometry extends BufferGeometry {\n\n\tconstructor( points = [ new Vector2( 0, 0.5 ), new Vector2( 0.5, 0 ), new Vector2( 0, - 0.5 ) ], segments = 12, phiStart = 0, phiLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LatheGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tsegments = Math.floor( segments );\n\n\t\t// clamp phiLength so it's in range of [ 0, 2PI ]\n\n\t\tphiLength = clamp( phiLength, 0, Math.PI * 2 );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst inverseSegments = 1.0 / segments;\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\n\t\t// generate vertices and uvs\n\n\t\tfor ( let i = 0; i <= segments; i ++ ) {\n\n\t\t\tconst phi = phiStart + i * inverseSegments * phiLength;\n\n\t\t\tconst sin = Math.sin( phi );\n\t\t\tconst cos = Math.cos( phi );\n\n\t\t\tfor ( let j = 0; j <= ( points.length - 1 ); j ++ ) {\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = points[ j ].x * sin;\n\t\t\t\tvertex.y = points[ j ].y;\n\t\t\t\tvertex.z = points[ j ].x * cos;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = i / segments;\n\t\t\t\tuv.y = j / ( points.length - 1 );\n\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\n\t\t\t}\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let i = 0; i < segments; i ++ ) {\n\n\t\t\tfor ( let j = 0; j < ( points.length - 1 ); j ++ ) {\n\n\t\t\t\tconst base = j + i * points.length;\n\n\t\t\t\tconst a = base;\n\t\t\t\tconst b = base + points.length;\n\t\t\t\tconst c = base + points.length + 1;\n\t\t\t\tconst d = base + 1;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\t// generate normals\n\n\t\tthis.computeVertexNormals();\n\n\t\t// if the geometry is closed, we need to average the normals along the seam.\n\t\t// because the corresponding vertices are identical (but still have different UVs).\n\n\t\tif ( phiLength === Math.PI * 2 ) {\n\n\t\t\tconst normals = this.attributes.normal.array;\n\t\t\tconst n1 = new Vector3();\n\t\t\tconst n2 = new Vector3();\n\t\t\tconst n = new Vector3();\n\n\t\t\t// this is the buffer offset for the last line of vertices\n\n\t\t\tconst base = segments * points.length * 3;\n\n\t\t\tfor ( let i = 0, j = 0; i < points.length; i ++, j += 3 ) {\n\n\t\t\t\t// select the normal of the vertex in the first line\n\n\t\t\t\tn1.x = normals[ j + 0 ];\n\t\t\t\tn1.y = normals[ j + 1 ];\n\t\t\t\tn1.z = normals[ j + 2 ];\n\n\t\t\t\t// select the normal of the vertex in the last line\n\n\t\t\t\tn2.x = normals[ base + j + 0 ];\n\t\t\t\tn2.y = normals[ base + j + 1 ];\n\t\t\t\tn2.z = normals[ base + j + 2 ];\n\n\t\t\t\t// average normals\n\n\t\t\t\tn.addVectors( n1, n2 ).normalize();\n\n\t\t\t\t// assign the new values to both normals\n\n\t\t\t\tnormals[ j + 0 ] = normals[ base + j + 0 ] = n.x;\n\t\t\t\tnormals[ j + 1 ] = normals[ base + j + 1 ] = n.y;\n\t\t\t\tnormals[ j + 2 ] = normals[ base + j + 2 ] = n.z;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new LatheGeometry( data.points, data.segments, data.phiStart, data.phiLength );\n\n\t}\n\n}\n\nclass OctahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst vertices = [\n\t\t\t1, 0, 0, \t- 1, 0, 0,\t0, 1, 0,\n\t\t\t0, - 1, 0, \t0, 0, 1,\t0, 0, - 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t0, 2, 4,\t0, 4, 3,\t0, 3, 5,\n\t\t\t0, 5, 2,\t1, 2, 5,\t1, 5, 3,\n\t\t\t1, 3, 4,\t1, 4, 2\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'OctahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new OctahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nclass RingGeometry extends BufferGeometry {\n\n\tconstructor( innerRadius = 0.5, outerRadius = 1, thetaSegments = 8, phiSegments = 1, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'RingGeometry';\n\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthetaSegments = Math.max( 3, thetaSegments );\n\t\tphiSegments = Math.max( 1, phiSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// some helper variables\n\n\t\tlet radius = innerRadius;\n\t\tconst radiusStep = ( ( outerRadius - innerRadius ) / phiSegments );\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let j = 0; j <= phiSegments; j ++ ) {\n\n\t\t\tfor ( let i = 0; i <= thetaSegments; i ++ ) {\n\n\t\t\t\t// values are generate from the inside of the ring to the outside\n\n\t\t\t\tconst segment = thetaStart + i / thetaSegments * thetaLength;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\t\tvertex.y = radius * Math.sin( segment );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = ( vertex.x / outerRadius + 1 ) / 2;\n\t\t\t\tuv.y = ( vertex.y / outerRadius + 1 ) / 2;\n\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t}\n\n\t\t\t// increase the radius for next row of vertices\n\n\t\t\tradius += radiusStep;\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let j = 0; j < phiSegments; j ++ ) {\n\n\t\t\tconst thetaSegmentLevel = j * ( thetaSegments + 1 );\n\n\t\t\tfor ( let i = 0; i < thetaSegments; i ++ ) {\n\n\t\t\t\tconst segment = i + thetaSegmentLevel;\n\n\t\t\t\tconst a = segment;\n\t\t\t\tconst b = segment + thetaSegments + 1;\n\t\t\t\tconst c = segment + thetaSegments + 2;\n\t\t\t\tconst d = segment + 1;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new RingGeometry( data.innerRadius, data.outerRadius, data.thetaSegments, data.phiSegments, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass ShapeGeometry extends BufferGeometry {\n\n\tconstructor( shapes = new Shape( [ new Vector2( 0, 0.5 ), new Vector2( - 0.5, - 0.5 ), new Vector2( 0.5, - 0.5 ) ] ), curveSegments = 12 ) {\n\n\t\tsuper();\n\t\tthis.type = 'ShapeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tshapes: shapes,\n\t\t\tcurveSegments: curveSegments\n\t\t};\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet groupStart = 0;\n\t\tlet groupCount = 0;\n\n\t\t// allow single and array values for \"shapes\" parameter\n\n\t\tif ( Array.isArray( shapes ) === false ) {\n\n\t\t\taddShape( shapes );\n\n\t\t} else {\n\n\t\t\tfor ( let i = 0; i < shapes.length; i ++ ) {\n\n\t\t\t\taddShape( shapes[ i ] );\n\n\t\t\t\tthis.addGroup( groupStart, groupCount, i ); // enables MultiMaterial support\n\n\t\t\t\tgroupStart += groupCount;\n\t\t\t\tgroupCount = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\n\t\t// helper functions\n\n\t\tfunction addShape( shape ) {\n\n\t\t\tconst indexOffset = vertices.length / 3;\n\t\t\tconst points = shape.extractPoints( curveSegments );\n\n\t\t\tlet shapeVertices = points.shape;\n\t\t\tconst shapeHoles = points.holes;\n\n\t\t\t// check direction of vertices\n\n\t\t\tif ( ShapeUtils.isClockWise( shapeVertices ) === false ) {\n\n\t\t\t\tshapeVertices = shapeVertices.reverse();\n\n\t\t\t}\n\n\t\t\tfor ( let i = 0, l = shapeHoles.length; i < l; i ++ ) {\n\n\t\t\t\tconst shapeHole = shapeHoles[ i ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( shapeHole ) === true ) {\n\n\t\t\t\t\tshapeHoles[ i ] = shapeHole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst faces = ShapeUtils.triangulateShape( shapeVertices, shapeHoles );\n\n\t\t\t// join vertices of inner and outer paths to a single array\n\n\t\t\tfor ( let i = 0, l = shapeHoles.length; i < l; i ++ ) {\n\n\t\t\t\tconst shapeHole = shapeHoles[ i ];\n\t\t\t\tshapeVertices = shapeVertices.concat( shapeHole );\n\n\t\t\t}\n\n\t\t\t// vertices, normals, uvs\n\n\t\t\tfor ( let i = 0, l = shapeVertices.length; i < l; i ++ ) {\n\n\t\t\t\tconst vertex = shapeVertices[ i ];\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, 0 );\n\t\t\t\tnormals.push( 0, 0, 1 );\n\t\t\t\tuvs.push( vertex.x, vertex.y ); // world uvs\n\n\t\t\t}\n\n\t\t\t// incides\n\n\t\t\tfor ( let i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tconst face = faces[ i ];\n\n\t\t\t\tconst a = face[ 0 ] + indexOffset;\n\t\t\t\tconst b = face[ 1 ] + indexOffset;\n\t\t\t\tconst c = face[ 2 ] + indexOffset;\n\n\t\t\t\tindices.push( a, b, c );\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tconst shapes = this.parameters.shapes;\n\n\t\treturn toJSON( shapes, data );\n\n\t}\n\n\tstatic fromJSON( data, shapes ) {\n\n\t\tconst geometryShapes = [];\n\n\t\tfor ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) {\n\n\t\t\tconst shape = shapes[ data.shapes[ j ] ];\n\n\t\t\tgeometryShapes.push( shape );\n\n\t\t}\n\n\t\treturn new ShapeGeometry( geometryShapes, data.curveSegments );\n\n\t}\n\n}\n\nfunction toJSON( shapes, data ) {\n\n\tdata.shapes = [];\n\n\tif ( Array.isArray( shapes ) ) {\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\n\t\t\tdata.shapes.push( shape.uuid );\n\n\t\t}\n\n\t} else {\n\n\t\tdata.shapes.push( shapes.uuid );\n\n\t}\n\n\treturn data;\n\n}\n\nclass SphereGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, widthSegments = 32, heightSegments = 16, phiStart = 0, phiLength = Math.PI * 2, thetaStart = 0, thetaLength = Math.PI ) {\n\n\t\tsuper();\n\t\tthis.type = 'SphereGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\twidthSegments = Math.max( 3, Math.floor( widthSegments ) );\n\t\theightSegments = Math.max( 2, Math.floor( heightSegments ) );\n\n\t\tconst thetaEnd = Math.min( thetaStart + thetaLength, Math.PI );\n\n\t\tlet index = 0;\n\t\tconst grid = [];\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let iy = 0; iy <= heightSegments; iy ++ ) {\n\n\t\t\tconst verticesRow = [];\n\n\t\t\tconst v = iy / heightSegments;\n\n\t\t\t// special case for the poles\n\n\t\t\tlet uOffset = 0;\n\n\t\t\tif ( iy == 0 && thetaStart == 0 ) {\n\n\t\t\t\tuOffset = 0.5 / widthSegments;\n\n\t\t\t} else if ( iy == heightSegments && thetaEnd == Math.PI ) {\n\n\t\t\t\tuOffset = - 0.5 / widthSegments;\n\n\t\t\t}\n\n\t\t\tfor ( let ix = 0; ix <= widthSegments; ix ++ ) {\n\n\t\t\t\tconst u = ix / widthSegments;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\t\t\t\tvertex.y = radius * Math.cos( thetaStart + v * thetaLength );\n\t\t\t\tvertex.z = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.copy( vertex ).normalize();\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( u + uOffset, 1 - v );\n\n\t\t\t\tverticesRow.push( index ++ );\n\n\t\t\t}\n\n\t\t\tgrid.push( verticesRow );\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let iy = 0; iy < heightSegments; iy ++ ) {\n\n\t\t\tfor ( let ix = 0; ix < widthSegments; ix ++ ) {\n\n\t\t\t\tconst a = grid[ iy ][ ix + 1 ];\n\t\t\t\tconst b = grid[ iy ][ ix ];\n\t\t\t\tconst c = grid[ iy + 1 ][ ix ];\n\t\t\t\tconst d = grid[ iy + 1 ][ ix + 1 ];\n\n\t\t\t\tif ( iy !== 0 || thetaStart > 0 ) indices.push( a, b, d );\n\t\t\t\tif ( iy !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new SphereGeometry( data.radius, data.widthSegments, data.heightSegments, data.phiStart, data.phiLength, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass TetrahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst vertices = [\n\t\t\t1, 1, 1, \t- 1, - 1, 1, \t- 1, 1, - 1, \t1, - 1, - 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t2, 1, 0, \t0, 3, 2,\t1, 3, 0,\t2, 3, 1\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'TetrahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new TetrahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nclass TorusGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, tube = 0.4, radialSegments = 8, tubularSegments = 6, arc = Math.PI * 2 ) {\n\n\t\tsuper();\n\t\tthis.type = 'TorusGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tradialSegments = Math.floor( radialSegments );\n\t\ttubularSegments = Math.floor( tubularSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst center = new Vector3();\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( let i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tconst u = i / tubularSegments * arc;\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u );\n\t\t\t\tvertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u );\n\t\t\t\tvertex.z = tube * Math.sin( v );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tcenter.x = radius * Math.cos( u );\n\t\t\t\tcenter.y = radius * Math.sin( u );\n\t\t\t\tnormal.subVectors( vertex, center ).normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( i / tubularSegments );\n\t\t\t\tuvs.push( j / radialSegments );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( let j = 1; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( let i = 1; i <= tubularSegments; i ++ ) {\n\n\t\t\t\t// indices\n\n\t\t\t\tconst a = ( tubularSegments + 1 ) * j + i - 1;\n\t\t\t\tconst b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1;\n\t\t\t\tconst c = ( tubularSegments + 1 ) * ( j - 1 ) + i;\n\t\t\t\tconst d = ( tubularSegments + 1 ) * j + i;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new TorusGeometry( data.radius, data.tube, data.radialSegments, data.tubularSegments, data.arc );\n\n\t}\n\n}\n\nclass TorusKnotGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, tube = 0.4, tubularSegments = 64, radialSegments = 8, p = 2, q = 3 ) {\n\n\t\tsuper();\n\t\tthis.type = 'TorusKnotGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\ttubularSegments = Math.floor( tubularSegments );\n\t\tradialSegments = Math.floor( radialSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\tconst P1 = new Vector3();\n\t\tconst P2 = new Vector3();\n\n\t\tconst B = new Vector3();\n\t\tconst T = new Vector3();\n\t\tconst N = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let i = 0; i <= tubularSegments; ++ i ) {\n\n\t\t\t// the radian \"u\" is used to calculate the position on the torus curve of the current tubular segement\n\n\t\t\tconst u = i / tubularSegments * p * Math.PI * 2;\n\n\t\t\t// now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead.\n\t\t\t// these points are used to create a special \"coordinate space\", which is necessary to calculate the correct vertex positions\n\n\t\t\tcalculatePositionOnCurve( u, p, q, radius, P1 );\n\t\t\tcalculatePositionOnCurve( u + 0.01, p, q, radius, P2 );\n\n\t\t\t// calculate orthonormal basis\n\n\t\t\tT.subVectors( P2, P1 );\n\t\t\tN.addVectors( P2, P1 );\n\t\t\tB.crossVectors( T, N );\n\t\t\tN.crossVectors( B, T );\n\n\t\t\t// normalize B, N. T can be ignored, we don't use it\n\n\t\t\tB.normalize();\n\t\t\tN.normalize();\n\n\t\t\tfor ( let j = 0; j <= radialSegments; ++ j ) {\n\n\t\t\t\t// now calculate the vertices. they are nothing more than an extrusion of the torus curve.\n\t\t\t\t// because we extrude a shape in the xy-plane, there is no need to calculate a z-value.\n\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\t\t\t\tconst cx = - tube * Math.cos( v );\n\t\t\t\tconst cy = tube * Math.sin( v );\n\n\t\t\t\t// now calculate the final vertex position.\n\t\t\t\t// first we orient the extrusion with our basis vectos, then we add it to the current position on the curve\n\n\t\t\t\tvertex.x = P1.x + ( cx * N.x + cy * B.x );\n\t\t\t\tvertex.y = P1.y + ( cx * N.y + cy * B.y );\n\t\t\t\tvertex.z = P1.z + ( cx * N.z + cy * B.z );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal)\n\n\t\t\t\tnormal.subVectors( vertex, P1 ).normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( i / tubularSegments );\n\t\t\t\tuvs.push( j / radialSegments );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( let j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\tfor ( let i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t// indices\n\n\t\t\t\tconst a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\tconst b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\tconst c = ( radialSegments + 1 ) * j + i;\n\t\t\t\tconst d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\t// this function calculates the current position on the torus curve\n\n\t\tfunction calculatePositionOnCurve( u, p, q, radius, position ) {\n\n\t\t\tconst cu = Math.cos( u );\n\t\t\tconst su = Math.sin( u );\n\t\t\tconst quOverP = q / p * u;\n\t\t\tconst cs = Math.cos( quOverP );\n\n\t\t\tposition.x = radius * ( 2 + cs ) * 0.5 * cu;\n\t\t\tposition.y = radius * ( 2 + cs ) * su * 0.5;\n\t\t\tposition.z = radius * Math.sin( quOverP ) * 0.5;\n\n\t\t}\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new TorusKnotGeometry( data.radius, data.tube, data.tubularSegments, data.radialSegments, data.p, data.q );\n\n\t}\n\n}\n\nclass TubeGeometry extends BufferGeometry {\n\n\tconstructor( path = new QuadraticBezierCurve3( new Vector3( - 1, - 1, 0 ), new Vector3( - 1, 1, 0 ), new Vector3( 1, 1, 0 ) ), tubularSegments = 64, radius = 1, radialSegments = 8, closed = false ) {\n\n\t\tsuper();\n\t\tthis.type = 'TubeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\tconst frames = path.computeFrenetFrames( tubularSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = frames.tangents;\n\t\tthis.normals = frames.normals;\n\t\tthis.binormals = frames.binormals;\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\t\tconst uv = new Vector2();\n\t\tlet P = new Vector3();\n\n\t\t// buffer\n\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\t\tconst indices = [];\n\n\t\t// create buffer data\n\n\t\tgenerateBufferData();\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\t// functions\n\n\t\tfunction generateBufferData() {\n\n\t\t\tfor ( let i = 0; i < tubularSegments; i ++ ) {\n\n\t\t\t\tgenerateSegment( i );\n\n\t\t\t}\n\n\t\t\t// if the geometry is not closed, generate the last row of vertices and normals\n\t\t\t// at the regular position on the given path\n\t\t\t//\n\t\t\t// if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ)\n\n\t\t\tgenerateSegment( ( closed === false ) ? tubularSegments : 0 );\n\n\t\t\t// uvs are generated in a separate function.\n\t\t\t// this makes it easy compute correct values for closed geometries\n\n\t\t\tgenerateUVs();\n\n\t\t\t// finally create faces\n\n\t\t\tgenerateIndices();\n\n\t\t}\n\n\t\tfunction generateSegment( i ) {\n\n\t\t\t// we use getPointAt to sample evenly distributed points from the given path\n\n\t\t\tP = path.getPointAt( i / tubularSegments, P );\n\n\t\t\t// retrieve corresponding normal and binormal\n\n\t\t\tconst N = frames.normals[ i ];\n\t\t\tconst B = frames.binormals[ i ];\n\n\t\t\t// generate normals and vertices for the current segment\n\n\t\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\tconst sin = Math.sin( v );\n\t\t\t\tconst cos = - Math.cos( v );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.x = ( cos * N.x + sin * B.x );\n\t\t\t\tnormal.y = ( cos * N.y + sin * B.y );\n\t\t\t\tnormal.z = ( cos * N.z + sin * B.z );\n\t\t\t\tnormal.normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = P.x + radius * normal.x;\n\t\t\t\tvertex.y = P.y + radius * normal.y;\n\t\t\t\tvertex.z = P.z + radius * normal.z;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateIndices() {\n\n\t\t\tfor ( let j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\t\tfor ( let i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t\tconst a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\t\tconst b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\t\tconst c = ( radialSegments + 1 ) * j + i;\n\t\t\t\t\tconst d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tfor ( let i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\t\tuv.y = j / radialSegments;\n\n\t\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.path = this.parameters.path.toJSON();\n\n\t\treturn data;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\t// This only works for built-in curves (e.g. CatmullRomCurve3).\n\t\t// User defined curves or instances of CurvePath will not be deserialized.\n\t\treturn new TubeGeometry(\n\t\t\tnew Curves[ data.path.type ]().fromJSON( data.path ),\n\t\t\tdata.tubularSegments,\n\t\t\tdata.radius,\n\t\t\tdata.radialSegments,\n\t\t\tdata.closed\n\t\t);\n\n\t}\n\n}\n\nclass WireframeGeometry extends BufferGeometry {\n\n\tconstructor( geometry = null ) {\n\n\t\tsuper();\n\t\tthis.type = 'WireframeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tgeometry: geometry\n\t\t};\n\n\t\tif ( geometry !== null ) {\n\n\t\t\t// buffer\n\n\t\t\tconst vertices = [];\n\t\t\tconst edges = new Set();\n\n\t\t\t// helper variables\n\n\t\t\tconst start = new Vector3();\n\t\t\tconst end = new Vector3();\n\n\t\t\tif ( geometry.index !== null ) {\n\n\t\t\t\t// indexed BufferGeometry\n\n\t\t\t\tconst position = geometry.attributes.position;\n\t\t\t\tconst indices = geometry.index;\n\t\t\t\tlet groups = geometry.groups;\n\n\t\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\t\tgroups = [ { start: 0, count: indices.count, materialIndex: 0 } ];\n\n\t\t\t\t}\n\n\t\t\t\t// create a data structure that contains all eges without duplicates\n\n\t\t\t\tfor ( let o = 0, ol = groups.length; o < ol; ++ o ) {\n\n\t\t\t\t\tconst group = groups[ o ];\n\n\t\t\t\t\tconst groupStart = group.start;\n\t\t\t\t\tconst groupCount = group.count;\n\n\t\t\t\t\tfor ( let i = groupStart, l = ( groupStart + groupCount ); i < l; i += 3 ) {\n\n\t\t\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t\tconst index1 = indices.getX( i + j );\n\t\t\t\t\t\t\tconst index2 = indices.getX( i + ( j + 1 ) % 3 );\n\n\t\t\t\t\t\t\tstart.fromBufferAttribute( position, index1 );\n\t\t\t\t\t\t\tend.fromBufferAttribute( position, index2 );\n\n\t\t\t\t\t\t\tif ( isUniqueEdge( start, end, edges ) === true ) {\n\n\t\t\t\t\t\t\t\tvertices.push( start.x, start.y, start.z );\n\t\t\t\t\t\t\t\tvertices.push( end.x, end.y, end.z );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed BufferGeometry\n\n\t\t\t\tconst position = geometry.attributes.position;\n\n\t\t\t\tfor ( let i = 0, l = ( position.count / 3 ); i < l; i ++ ) {\n\n\t\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t// three edges per triangle, an edge is represented as (index1, index2)\n\t\t\t\t\t\t// e.g. the first triangle has the following edges: (0,1),(1,2),(2,0)\n\n\t\t\t\t\t\tconst index1 = 3 * i + j;\n\t\t\t\t\t\tconst index2 = 3 * i + ( ( j + 1 ) % 3 );\n\n\t\t\t\t\t\tstart.fromBufferAttribute( position, index1 );\n\t\t\t\t\t\tend.fromBufferAttribute( position, index2 );\n\n\t\t\t\t\t\tif ( isUniqueEdge( start, end, edges ) === true ) {\n\n\t\t\t\t\t\t\tvertices.push( start.x, start.y, start.z );\n\t\t\t\t\t\t\tvertices.push( end.x, end.y, end.z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// build geometry\n\n\t\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\n\t\t}\n\n\t}\n\n}\n\nfunction isUniqueEdge( start, end, edges ) {\n\n\tconst hash1 = `${start.x},${start.y},${start.z}-${end.x},${end.y},${end.z}`;\n\tconst hash2 = `${end.x},${end.y},${end.z}-${start.x},${start.y},${start.z}`; // coincident edge\n\n\tif ( edges.has( hash1 ) === true || edges.has( hash2 ) === true ) {\n\n\t\treturn false;\n\n\t} else {\n\n\t\tedges.add( hash1, hash2 );\n\t\treturn true;\n\n\t}\n\n}\n\nvar Geometries = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tBoxGeometry: BoxGeometry,\n\tBoxBufferGeometry: BoxGeometry,\n\tCircleGeometry: CircleGeometry,\n\tCircleBufferGeometry: CircleGeometry,\n\tConeGeometry: ConeGeometry,\n\tConeBufferGeometry: ConeGeometry,\n\tCylinderGeometry: CylinderGeometry,\n\tCylinderBufferGeometry: CylinderGeometry,\n\tDodecahedronGeometry: DodecahedronGeometry,\n\tDodecahedronBufferGeometry: DodecahedronGeometry,\n\tEdgesGeometry: EdgesGeometry,\n\tExtrudeGeometry: ExtrudeGeometry,\n\tExtrudeBufferGeometry: ExtrudeGeometry,\n\tIcosahedronGeometry: IcosahedronGeometry,\n\tIcosahedronBufferGeometry: IcosahedronGeometry,\n\tLatheGeometry: LatheGeometry,\n\tLatheBufferGeometry: LatheGeometry,\n\tOctahedronGeometry: OctahedronGeometry,\n\tOctahedronBufferGeometry: OctahedronGeometry,\n\tPlaneGeometry: PlaneGeometry,\n\tPlaneBufferGeometry: PlaneGeometry,\n\tPolyhedronGeometry: PolyhedronGeometry,\n\tPolyhedronBufferGeometry: PolyhedronGeometry,\n\tRingGeometry: RingGeometry,\n\tRingBufferGeometry: RingGeometry,\n\tShapeGeometry: ShapeGeometry,\n\tShapeBufferGeometry: ShapeGeometry,\n\tSphereGeometry: SphereGeometry,\n\tSphereBufferGeometry: SphereGeometry,\n\tTetrahedronGeometry: TetrahedronGeometry,\n\tTetrahedronBufferGeometry: TetrahedronGeometry,\n\tTorusGeometry: TorusGeometry,\n\tTorusBufferGeometry: TorusGeometry,\n\tTorusKnotGeometry: TorusKnotGeometry,\n\tTorusKnotBufferGeometry: TorusKnotGeometry,\n\tTubeGeometry: TubeGeometry,\n\tTubeBufferGeometry: TubeGeometry,\n\tWireframeGeometry: WireframeGeometry\n});\n\n/**\n * parameters = {\n * color: \n * }\n */\n\nclass ShadowMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ShadowMaterial';\n\n\t\tthis.color = new Color( 0x000000 );\n\t\tthis.transparent = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\treturn this;\n\n\t}\n\n}\n\nShadowMaterial.prototype.isShadowMaterial = true;\n\n/**\n * parameters = {\n * color: ,\n * roughness: ,\n * metalness: ,\n * opacity: ,\n *\n * map: new THREE.Texture( ),\n *\n * lightMap: new THREE.Texture( ),\n * lightMapIntensity: \n *\n * aoMap: new THREE.Texture( ),\n * aoMapIntensity: \n *\n * emissive: ,\n * emissiveIntensity: \n * emissiveMap: new THREE.Texture( ),\n *\n * bumpMap: new THREE.Texture( ),\n * bumpScale: ,\n *\n * normalMap: new THREE.Texture( ),\n * normalMapType: THREE.TangentSpaceNormalMap,\n * normalScale: ,\n *\n * displacementMap: new THREE.Texture( ),\n * displacementScale: ,\n * displacementBias: ,\n *\n * roughnessMap: new THREE.Texture( ),\n *\n * metalnessMap: new THREE.Texture( ),\n *\n * alphaMap: new THREE.Texture( ),\n *\n * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n * envMapIntensity: \n *\n * refractionRatio: ,\n *\n * wireframe: ,\n * wireframeLinewidth: ,\n *\n * flatShading: \n * }\n */\n\nclass MeshStandardMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.type = 'MeshStandardMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.roughness = 1.0;\n\t\tthis.metalness = 0.0;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.roughnessMap = null;\n\n\t\tthis.metalnessMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.envMapIntensity = 1.0;\n\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.flatShading = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.color.copy( source.color );\n\t\tthis.roughness = source.roughness;\n\t\tthis.metalness = source.metalness;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.roughnessMap = source.roughnessMap;\n\n\t\tthis.metalnessMap = source.metalnessMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapIntensity = source.envMapIntensity;\n\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshStandardMaterial.prototype.isMeshStandardMaterial = true;\n\n/**\n * parameters = {\n * clearcoat: ,\n * clearcoatMap: new THREE.Texture( ),\n * clearcoatRoughness: ,\n * clearcoatRoughnessMap: new THREE.Texture( ),\n * clearcoatNormalScale: ,\n * clearcoatNormalMap: new THREE.Texture( ),\n *\n * ior: ,\n * reflectivity: ,\n *\n * sheen: ,\n * sheenColor: ,\n * sheenColorMap: new THREE.Texture( ),\n * sheenRoughness: ,\n * sheenRoughnessMap: new THREE.Texture( ),\n *\n * transmission: ,\n * transmissionMap: new THREE.Texture( ),\n *\n * thickness: ,\n * thicknessMap: new THREE.Texture( ),\n * attenuationDistance: ,\n * attenuationColor: ,\n *\n * specularIntensity: ,\n * specularIntensityMap: new THREE.Texture( ),\n * specularColor: ,\n * specularColorMap: new THREE.Texture( )\n * }\n */\n\nclass MeshPhysicalMaterial extends MeshStandardMaterial {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.defines = {\n\n\t\t\t'STANDARD': '',\n\t\t\t'PHYSICAL': ''\n\n\t\t};\n\n\t\tthis.type = 'MeshPhysicalMaterial';\n\n\t\tthis.clearcoatMap = null;\n\t\tthis.clearcoatRoughness = 0.0;\n\t\tthis.clearcoatRoughnessMap = null;\n\t\tthis.clearcoatNormalScale = new Vector2( 1, 1 );\n\t\tthis.clearcoatNormalMap = null;\n\n\t\tthis.ior = 1.5;\n\n\t\tObject.defineProperty( this, 'reflectivity', {\n\t\t\tget: function () {\n\n\t\t\t\treturn ( clamp( 2.5 * ( this.ior - 1 ) / ( this.ior + 1 ), 0, 1 ) );\n\n\t\t\t},\n\t\t\tset: function ( reflectivity ) {\n\n\t\t\t\tthis.ior = ( 1 + 0.4 * reflectivity ) / ( 1 - 0.4 * reflectivity );\n\n\t\t\t}\n\t\t} );\n\n\t\tthis.sheenColor = new Color( 0x000000 );\n\t\tthis.sheenColorMap = null;\n\t\tthis.sheenRoughness = 1.0;\n\t\tthis.sheenRoughnessMap = null;\n\n\t\tthis.transmissionMap = null;\n\n\t\tthis.thickness = 0;\n\t\tthis.thicknessMap = null;\n\t\tthis.attenuationDistance = 0.0;\n\t\tthis.attenuationColor = new Color( 1, 1, 1 );\n\n\t\tthis.specularIntensity = 1.0;\n\t\tthis.specularIntensityMap = null;\n\t\tthis.specularColor = new Color( 1, 1, 1 );\n\t\tthis.specularColorMap = null;\n\n\t\tthis._sheen = 0.0;\n\t\tthis._clearcoat = 0;\n\t\tthis._transmission = 0;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tget sheen() {\n\n\t\treturn this._sheen;\n\n\t}\n\n\tset sheen( value ) {\n\n\t\tif ( this._sheen > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._sheen = value;\n\n\t}\n\n\tget clearcoat() {\n\n\t\treturn this._clearcoat;\n\n\t}\n\n\tset clearcoat( value ) {\n\n\t\tif ( this._clearcoat > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._clearcoat = value;\n\n\t}\n\n\tget transmission() {\n\n\t\treturn this._transmission;\n\n\t}\n\n\tset transmission( value ) {\n\n\t\tif ( this._transmission > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._transmission = value;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = {\n\n\t\t\t'STANDARD': '',\n\t\t\t'PHYSICAL': ''\n\n\t\t};\n\n\t\tthis.clearcoat = source.clearcoat;\n\t\tthis.clearcoatMap = source.clearcoatMap;\n\t\tthis.clearcoatRoughness = source.clearcoatRoughness;\n\t\tthis.clearcoatRoughnessMap = source.clearcoatRoughnessMap;\n\t\tthis.clearcoatNormalMap = source.clearcoatNormalMap;\n\t\tthis.clearcoatNormalScale.copy( source.clearcoatNormalScale );\n\n\t\tthis.ior = source.ior;\n\n\t\tthis.sheen = source.sheen;\n\t\tthis.sheenColor.copy( source.sheenColor );\n\t\tthis.sheenColorMap = source.sheenColorMap;\n\t\tthis.sheenRoughness = source.sheenRoughness;\n\t\tthis.sheenRoughnessMap = source.sheenRoughnessMap;\n\n\t\tthis.transmission = source.transmission;\n\t\tthis.transmissionMap = source.transmissionMap;\n\n\t\tthis.thickness = source.thickness;\n\t\tthis.thicknessMap = source.thicknessMap;\n\t\tthis.attenuationDistance = source.attenuationDistance;\n\t\tthis.attenuationColor.copy( source.attenuationColor );\n\n\t\tthis.specularIntensity = source.specularIntensity;\n\t\tthis.specularIntensityMap = source.specularIntensityMap;\n\t\tthis.specularColor.copy( source.specularColor );\n\t\tthis.specularColorMap = source.specularColorMap;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshPhysicalMaterial.prototype.isMeshPhysicalMaterial = true;\n\n/**\n * parameters = {\n * color: ,\n * specular: ,\n * shininess: ,\n * opacity: ,\n *\n * map: new THREE.Texture( ),\n *\n * lightMap: new THREE.Texture( ),\n * lightMapIntensity: \n *\n * aoMap: new THREE.Texture( ),\n * aoMapIntensity: \n *\n * emissive: ,\n * emissiveIntensity: \n * emissiveMap: new THREE.Texture( ),\n *\n * bumpMap: new THREE.Texture( ),\n * bumpScale: ,\n *\n * normalMap: new THREE.Texture( ),\n * normalMapType: THREE.TangentSpaceNormalMap,\n * normalScale: ,\n *\n * displacementMap: new THREE.Texture( ),\n * displacementScale: ,\n * displacementBias: ,\n *\n * specularMap: new THREE.Texture( ),\n *\n * alphaMap: new THREE.Texture( ),\n *\n * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n * combine: THREE.MultiplyOperation,\n * reflectivity: ,\n * refractionRatio: ,\n *\n * wireframe: ,\n * wireframeLinewidth: ,\n *\n * flatShading: \n * }\n */\n\nclass MeshPhongMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshPhongMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.specular = new Color( 0x111111 );\n\t\tthis.shininess = 30;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.flatShading = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.specular.copy( source.specular );\n\t\tthis.shininess = source.shininess;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshPhongMaterial.prototype.isMeshPhongMaterial = true;\n\n/**\n * parameters = {\n * color: ,\n *\n * map: new THREE.Texture( ),\n * gradientMap: new THREE.Texture( ),\n *\n * lightMap: new THREE.Texture( ),\n * lightMapIntensity: \n *\n * aoMap: new THREE.Texture( ),\n * aoMapIntensity: \n *\n * emissive: ,\n * emissiveIntensity: \n * emissiveMap: new THREE.Texture( ),\n *\n * bumpMap: new THREE.Texture( ),\n * bumpScale: ,\n *\n * normalMap: new THREE.Texture( ),\n * normalMapType: THREE.TangentSpaceNormalMap,\n * normalScale: ,\n *\n * displacementMap: new THREE.Texture( ),\n * displacementScale: ,\n * displacementBias: ,\n *\n * alphaMap: new THREE.Texture( ),\n *\n * wireframe: ,\n * wireframeLinewidth: ,\n *\n * }\n */\n\nclass MeshToonMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.defines = { 'TOON': '' };\n\n\t\tthis.type = 'MeshToonMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\t\tthis.gradientMap = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\t\tthis.gradientMap = source.gradientMap;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshToonMaterial.prototype.isMeshToonMaterial = true;\n\n/**\n * parameters = {\n * opacity: ,\n *\n * bumpMap: new THREE.Texture( ),\n * bumpScale: ,\n *\n * normalMap: new THREE.Texture( ),\n * normalMapType: THREE.TangentSpaceNormalMap,\n * normalScale: ,\n *\n * displacementMap: new THREE.Texture( ),\n * displacementScale: ,\n * displacementBias: ,\n *\n * wireframe: ,\n * wireframeLinewidth: \n *\n * flatShading: \n * }\n */\n\nclass MeshNormalMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshNormalMaterial';\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false;\n\n\t\tthis.flatShading = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshNormalMaterial.prototype.isMeshNormalMaterial = true;\n\n/**\n * parameters = {\n * color: ,\n * opacity: ,\n *\n * map: new THREE.Texture( ),\n *\n * lightMap: new THREE.Texture( ),\n * lightMapIntensity: \n *\n * aoMap: new THREE.Texture( ),\n * aoMapIntensity: \n *\n * emissive: ,\n * emissiveIntensity: \n * emissiveMap: new THREE.Texture( ),\n *\n * specularMap: new THREE.Texture( ),\n *\n * alphaMap: new THREE.Texture( ),\n *\n * envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),\n * combine: THREE.Multiply,\n * reflectivity: ,\n * refractionRatio: ,\n *\n * wireframe: ,\n * wireframeLinewidth: ,\n *\n * }\n */\n\nclass MeshLambertMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'MeshLambertMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshLambertMaterial.prototype.isMeshLambertMaterial = true;\n\n/**\n * parameters = {\n * color: ,\n * opacity: ,\n *\n * matcap: new THREE.Texture( ),\n *\n * map: new THREE.Texture( ),\n *\n * bumpMap: new THREE.Texture( ),\n * bumpScale: ,\n *\n * normalMap: new THREE.Texture( ),\n * normalMapType: THREE.TangentSpaceNormalMap,\n * normalScale: ,\n *\n * displacementMap: new THREE.Texture( ),\n * displacementScale: ,\n * displacementBias: ,\n *\n * alphaMap: new THREE.Texture( ),\n *\n * flatShading: \n * }\n */\n\nclass MeshMatcapMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.defines = { 'MATCAP': '' };\n\n\t\tthis.type = 'MeshMatcapMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\tthis.matcap = null;\n\n\t\tthis.map = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.flatShading = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = { 'MATCAP': '' };\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.matcap = source.matcap;\n\n\t\tthis.map = source.map;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\treturn this;\n\n\t}\n\n}\n\nMeshMatcapMaterial.prototype.isMeshMatcapMaterial = true;\n\n/**\n * parameters = {\n * color: ,\n * opacity: ,\n *\n * linewidth: ,\n *\n * scale: ,\n * dashSize: ,\n * gapSize: \n * }\n */\n\nclass LineDashedMaterial extends LineBasicMaterial {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LineDashedMaterial';\n\n\t\tthis.scale = 1;\n\t\tthis.dashSize = 3;\n\t\tthis.gapSize = 1;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.scale = source.scale;\n\t\tthis.dashSize = source.dashSize;\n\t\tthis.gapSize = source.gapSize;\n\n\t\treturn this;\n\n\t}\n\n}\n\nLineDashedMaterial.prototype.isLineDashedMaterial = true;\n\nvar Materials = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tShadowMaterial: ShadowMaterial,\n\tSpriteMaterial: SpriteMaterial,\n\tRawShaderMaterial: RawShaderMaterial,\n\tShaderMaterial: ShaderMaterial,\n\tPointsMaterial: PointsMaterial,\n\tMeshPhysicalMaterial: MeshPhysicalMaterial,\n\tMeshStandardMaterial: MeshStandardMaterial,\n\tMeshPhongMaterial: MeshPhongMaterial,\n\tMeshToonMaterial: MeshToonMaterial,\n\tMeshNormalMaterial: MeshNormalMaterial,\n\tMeshLambertMaterial: MeshLambertMaterial,\n\tMeshDepthMaterial: MeshDepthMaterial,\n\tMeshDistanceMaterial: MeshDistanceMaterial,\n\tMeshBasicMaterial: MeshBasicMaterial,\n\tMeshMatcapMaterial: MeshMatcapMaterial,\n\tLineDashedMaterial: LineDashedMaterial,\n\tLineBasicMaterial: LineBasicMaterial,\n\tMaterial: Material\n});\n\nconst AnimationUtils = {\n\n\t// same as Array.prototype.slice, but also works on typed arrays\n\tarraySlice: function ( array, from, to ) {\n\n\t\tif ( AnimationUtils.isTypedArray( array ) ) {\n\n\t\t\t// in ios9 array.subarray(from, undefined) will return empty array\n\t\t\t// but array.subarray(from) or array.subarray(from, len) is correct\n\t\t\treturn new array.constructor( array.subarray( from, to !== undefined ? to : array.length ) );\n\n\t\t}\n\n\t\treturn array.slice( from, to );\n\n\t},\n\n\t// converts an array to a specific type\n\tconvertArray: function ( array, type, forceClone ) {\n\n\t\tif ( ! array || // let 'undefined' and 'null' pass\n\t\t\t! forceClone && array.constructor === type ) return array;\n\n\t\tif ( typeof type.BYTES_PER_ELEMENT === 'number' ) {\n\n\t\t\treturn new type( array ); // create typed array\n\n\t\t}\n\n\t\treturn Array.prototype.slice.call( array ); // create Array\n\n\t},\n\n\tisTypedArray: function ( object ) {\n\n\t\treturn ArrayBuffer.isView( object ) &&\n\t\t\t! ( object instanceof DataView );\n\n\t},\n\n\t// returns an array by which times and values can be sorted\n\tgetKeyframeOrder: function ( times ) {\n\n\t\tfunction compareTime( i, j ) {\n\n\t\t\treturn times[ i ] - times[ j ];\n\n\t\t}\n\n\t\tconst n = times.length;\n\t\tconst result = new Array( n );\n\t\tfor ( let i = 0; i !== n; ++ i ) result[ i ] = i;\n\n\t\tresult.sort( compareTime );\n\n\t\treturn result;\n\n\t},\n\n\t// uses the array previously returned by 'getKeyframeOrder' to sort data\n\tsortedArray: function ( values, stride, order ) {\n\n\t\tconst nValues = values.length;\n\t\tconst result = new values.constructor( nValues );\n\n\t\tfor ( let i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) {\n\n\t\t\tconst srcOffset = order[ i ] * stride;\n\n\t\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\t\tresult[ dstOffset ++ ] = values[ srcOffset + j ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn result;\n\n\t},\n\n\t// function for parsing AOS keyframe formats\n\tflattenJSON: function ( jsonKeys, times, values, valuePropertyName ) {\n\n\t\tlet i = 1, key = jsonKeys[ 0 ];\n\n\t\twhile ( key !== undefined && key[ valuePropertyName ] === undefined ) {\n\n\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t}\n\n\t\tif ( key === undefined ) return; // no data\n\n\t\tlet value = key[ valuePropertyName ];\n\t\tif ( value === undefined ) return; // no data\n\n\t\tif ( Array.isArray( value ) ) {\n\n\t\t\tdo {\n\n\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\tvalues.push.apply( values, value ); // push all elements\n\n\t\t\t\t}\n\n\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t} while ( key !== undefined );\n\n\t\t} else if ( value.toArray !== undefined ) {\n\n\t\t\t// ...assume THREE.Math-ish\n\n\t\t\tdo {\n\n\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\tvalue.toArray( values, values.length );\n\n\t\t\t\t}\n\n\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t} while ( key !== undefined );\n\n\t\t} else {\n\n\t\t\t// otherwise push as-is\n\n\t\t\tdo {\n\n\t\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\ttimes.push( key.time );\n\t\t\t\t\tvalues.push( value );\n\n\t\t\t\t}\n\n\t\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t\t} while ( key !== undefined );\n\n\t\t}\n\n\t},\n\n\tsubclip: function ( sourceClip, name, startFrame, endFrame, fps = 30 ) {\n\n\t\tconst clip = sourceClip.clone();\n\n\t\tclip.name = name;\n\n\t\tconst tracks = [];\n\n\t\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\t\tconst track = clip.tracks[ i ];\n\t\t\tconst valueSize = track.getValueSize();\n\n\t\t\tconst times = [];\n\t\t\tconst values = [];\n\n\t\t\tfor ( let j = 0; j < track.times.length; ++ j ) {\n\n\t\t\t\tconst frame = track.times[ j ] * fps;\n\n\t\t\t\tif ( frame < startFrame || frame >= endFrame ) continue;\n\n\t\t\t\ttimes.push( track.times[ j ] );\n\n\t\t\t\tfor ( let k = 0; k < valueSize; ++ k ) {\n\n\t\t\t\t\tvalues.push( track.values[ j * valueSize + k ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( times.length === 0 ) continue;\n\n\t\t\ttrack.times = AnimationUtils.convertArray( times, track.times.constructor );\n\t\t\ttrack.values = AnimationUtils.convertArray( values, track.values.constructor );\n\n\t\t\ttracks.push( track );\n\n\t\t}\n\n\t\tclip.tracks = tracks;\n\n\t\t// find minimum .times value across all tracks in the trimmed clip\n\n\t\tlet minStartTime = Infinity;\n\n\t\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\t\tif ( minStartTime > clip.tracks[ i ].times[ 0 ] ) {\n\n\t\t\t\tminStartTime = clip.tracks[ i ].times[ 0 ];\n\n\t\t\t}\n\n\t\t}\n\n\t\t// shift all tracks such that clip begins at t=0\n\n\t\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\t\tclip.tracks[ i ].shift( - 1 * minStartTime );\n\n\t\t}\n\n\t\tclip.resetDuration();\n\n\t\treturn clip;\n\n\t},\n\n\tmakeClipAdditive: function ( targetClip, referenceFrame = 0, referenceClip = targetClip, fps = 30 ) {\n\n\t\tif ( fps <= 0 ) fps = 30;\n\n\t\tconst numTracks = referenceClip.tracks.length;\n\t\tconst referenceTime = referenceFrame / fps;\n\n\t\t// Make each track's values relative to the values at the reference frame\n\t\tfor ( let i = 0; i < numTracks; ++ i ) {\n\n\t\t\tconst referenceTrack = referenceClip.tracks[ i ];\n\t\t\tconst referenceTrackType = referenceTrack.ValueTypeName;\n\n\t\t\t// Skip this track if it's non-numeric\n\t\t\tif ( referenceTrackType === 'bool' || referenceTrackType === 'string' ) continue;\n\n\t\t\t// Find the track in the target clip whose name and type matches the reference track\n\t\t\tconst targetTrack = targetClip.tracks.find( function ( track ) {\n\n\t\t\t\treturn track.name === referenceTrack.name\n\t\t\t\t\t&& track.ValueTypeName === referenceTrackType;\n\n\t\t\t} );\n\n\t\t\tif ( targetTrack === undefined ) continue;\n\n\t\t\tlet referenceOffset = 0;\n\t\t\tconst referenceValueSize = referenceTrack.getValueSize();\n\n\t\t\tif ( referenceTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline ) {\n\n\t\t\t\treferenceOffset = referenceValueSize / 3;\n\n\t\t\t}\n\n\t\t\tlet targetOffset = 0;\n\t\t\tconst targetValueSize = targetTrack.getValueSize();\n\n\t\t\tif ( targetTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline ) {\n\n\t\t\t\ttargetOffset = targetValueSize / 3;\n\n\t\t\t}\n\n\t\t\tconst lastIndex = referenceTrack.times.length - 1;\n\t\t\tlet referenceValue;\n\n\t\t\t// Find the value to subtract out of the track\n\t\t\tif ( referenceTime <= referenceTrack.times[ 0 ] ) {\n\n\t\t\t\t// Reference frame is earlier than the first keyframe, so just use the first keyframe\n\t\t\t\tconst startIndex = referenceOffset;\n\t\t\t\tconst endIndex = referenceValueSize - referenceOffset;\n\t\t\t\treferenceValue = AnimationUtils.arraySlice( referenceTrack.values, startIndex, endIndex );\n\n\t\t\t} else if ( referenceTime >= referenceTrack.times[ lastIndex ] ) {\n\n\t\t\t\t// Reference frame is after the last keyframe, so just use the last keyframe\n\t\t\t\tconst startIndex = lastIndex * referenceValueSize + referenceOffset;\n\t\t\t\tconst endIndex = startIndex + referenceValueSize - referenceOffset;\n\t\t\t\treferenceValue = AnimationUtils.arraySlice( referenceTrack.values, startIndex, endIndex );\n\n\t\t\t} else {\n\n\t\t\t\t// Interpolate to the reference value\n\t\t\t\tconst interpolant = referenceTrack.createInterpolant();\n\t\t\t\tconst startIndex = referenceOffset;\n\t\t\t\tconst endIndex = referenceValueSize - referenceOffset;\n\t\t\t\tinterpolant.evaluate( referenceTime );\n\t\t\t\treferenceValue = AnimationUtils.arraySlice( interpolant.resultBuffer, startIndex, endIndex );\n\n\t\t\t}\n\n\t\t\t// Conjugate the quaternion\n\t\t\tif ( referenceTrackType === 'quaternion' ) {\n\n\t\t\t\tconst referenceQuat = new Quaternion().fromArray( referenceValue ).normalize().conjugate();\n\t\t\t\treferenceQuat.toArray( referenceValue );\n\n\t\t\t}\n\n\t\t\t// Subtract the reference value from all of the track values\n\n\t\t\tconst numTimes = targetTrack.times.length;\n\t\t\tfor ( let j = 0; j < numTimes; ++ j ) {\n\n\t\t\t\tconst valueStart = j * targetValueSize + targetOffset;\n\n\t\t\t\tif ( referenceTrackType === 'quaternion' ) {\n\n\t\t\t\t\t// Multiply the conjugate for quaternion track types\n\t\t\t\t\tQuaternion.multiplyQuaternionsFlat(\n\t\t\t\t\t\ttargetTrack.values,\n\t\t\t\t\t\tvalueStart,\n\t\t\t\t\t\treferenceValue,\n\t\t\t\t\t\t0,\n\t\t\t\t\t\ttargetTrack.values,\n\t\t\t\t\t\tvalueStart\n\t\t\t\t\t);\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst valueEnd = targetValueSize - targetOffset * 2;\n\n\t\t\t\t\t// Subtract each value for all other numeric track types\n\t\t\t\t\tfor ( let k = 0; k < valueEnd; ++ k ) {\n\n\t\t\t\t\t\ttargetTrack.values[ valueStart + k ] -= referenceValue[ k ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\ttargetClip.blendMode = AdditiveAnimationBlendMode;\n\n\t\treturn targetClip;\n\n\t}\n\n};\n\n/**\n * Abstract base class of interpolants over parametric samples.\n *\n * The parameter domain is one dimensional, typically the time or a path\n * along a curve defined by the data.\n *\n * The sample values can have any dimensionality and derived classes may\n * apply special interpretations to the data.\n *\n * This class provides the interval seek in a Template Method, deferring\n * the actual interpolation to derived classes.\n *\n * Time complexity is O(1) for linear access crossing at most two points\n * and O(log N) for random access, where N is the number of positions.\n *\n * References:\n *\n * \t\thttp://www.oodesign.com/template-method-pattern.html\n *\n */\n\nclass Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tthis.parameterPositions = parameterPositions;\n\t\tthis._cachedIndex = 0;\n\n\t\tthis.resultBuffer = resultBuffer !== undefined ?\n\t\t\tresultBuffer : new sampleValues.constructor( sampleSize );\n\t\tthis.sampleValues = sampleValues;\n\t\tthis.valueSize = sampleSize;\n\n\t\tthis.settings = null;\n\t\tthis.DefaultSettings_ = {};\n\n\t}\n\n\tevaluate( t ) {\n\n\t\tconst pp = this.parameterPositions;\n\t\tlet i1 = this._cachedIndex,\n\t\t\tt1 = pp[ i1 ],\n\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\tvalidate_interval: {\n\n\t\t\tseek: {\n\n\t\t\t\tlet right;\n\n\t\t\t\tlinear_scan: {\n\n\t\t\t\t\t//- See http://jsperf.com/comparison-to-undefined/3\n\t\t\t\t\t//- slower code:\n\t\t\t\t\t//-\n\t\t\t\t\t//- \t\t\t\tif ( t >= t1 || t1 === undefined ) {\n\t\t\t\t\tforward_scan: if ( ! ( t < t1 ) ) {\n\n\t\t\t\t\t\tfor ( let giveUpAt = i1 + 2; ; ) {\n\n\t\t\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\t\t\tif ( t < t0 ) break forward_scan;\n\n\t\t\t\t\t\t\t\t// after end\n\n\t\t\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\t\t\treturn this.afterEnd_( i1 - 1, t, t0 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\tt0 = t1;\n\t\t\t\t\t\t\tt1 = pp[ ++ i1 ];\n\n\t\t\t\t\t\t\tif ( t < t1 ) {\n\n\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// prepare binary search on the right side of the index\n\t\t\t\t\t\tright = pp.length;\n\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t//- slower code:\n\t\t\t\t\t//-\t\t\t\t\tif ( t < t0 || t0 === undefined ) {\n\t\t\t\t\tif ( ! ( t >= t0 ) ) {\n\n\t\t\t\t\t\t// looping?\n\n\t\t\t\t\t\tconst t1global = pp[ 1 ];\n\n\t\t\t\t\t\tif ( t < t1global ) {\n\n\t\t\t\t\t\t\ti1 = 2; // + 1, using the scan for the details\n\t\t\t\t\t\t\tt0 = t1global;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// linear reverse scan\n\n\t\t\t\t\t\tfor ( let giveUpAt = i1 - 2; ; ) {\n\n\t\t\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\t\t\t// before start\n\n\t\t\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\tt1 = t0;\n\t\t\t\t\t\t\tt0 = pp[ -- i1 - 1 ];\n\n\t\t\t\t\t\t\tif ( t >= t0 ) {\n\n\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// prepare binary search on the left side of the index\n\t\t\t\t\t\tright = i1;\n\t\t\t\t\t\ti1 = 0;\n\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// the interval is valid\n\n\t\t\t\t\tbreak validate_interval;\n\n\t\t\t\t} // linear scan\n\n\t\t\t\t// binary search\n\n\t\t\t\twhile ( i1 < right ) {\n\n\t\t\t\t\tconst mid = ( i1 + right ) >>> 1;\n\n\t\t\t\t\tif ( t < pp[ mid ] ) {\n\n\t\t\t\t\t\tright = mid;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ti1 = mid + 1;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tt1 = pp[ i1 ];\n\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\t\t// check boundary cases, again\n\n\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\treturn this.beforeStart_( 0, t, t1 );\n\n\t\t\t\t}\n\n\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\treturn this.afterEnd_( i1 - 1, t0, t );\n\n\t\t\t\t}\n\n\t\t\t} // seek\n\n\t\t\tthis._cachedIndex = i1;\n\n\t\t\tthis.intervalChanged_( i1, t0, t1 );\n\n\t\t} // validate_interval\n\n\t\treturn this.interpolate_( i1, t0, t, t1 );\n\n\t}\n\n\tgetSettings_() {\n\n\t\treturn this.settings || this.DefaultSettings_;\n\n\t}\n\n\tcopySampleValue_( index ) {\n\n\t\t// copies a sample value to the result buffer\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = index * stride;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] = values[ offset + i ];\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n\t// Template methods for derived classes:\n\n\tinterpolate_( /* i1, t0, t, t1 */ ) {\n\n\t\tthrow new Error( 'call to abstract method' );\n\t\t// implementations shall return this.resultBuffer\n\n\t}\n\n\tintervalChanged_( /* i1, t0, t1 */ ) {\n\n\t\t// empty\n\n\t}\n\n}\n\n// ALIAS DEFINITIONS\n\nInterpolant.prototype.beforeStart_ = Interpolant.prototype.copySampleValue_;\nInterpolant.prototype.afterEnd_ = Interpolant.prototype.copySampleValue_;\n\n/**\n * Fast and simple cubic spline interpolant.\n *\n * It was derived from a Hermitian construction setting the first derivative\n * at each sample position to the linear slope between neighboring positions\n * over their parameter interval.\n */\n\nclass CubicInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t\tthis._weightPrev = - 0;\n\t\tthis._offsetPrev = - 0;\n\t\tthis._weightNext = - 0;\n\t\tthis._offsetNext = - 0;\n\n\t\tthis.DefaultSettings_ = {\n\n\t\t\tendingStart: ZeroCurvatureEnding,\n\t\t\tendingEnd: ZeroCurvatureEnding\n\n\t\t};\n\n\t}\n\n\tintervalChanged_( i1, t0, t1 ) {\n\n\t\tconst pp = this.parameterPositions;\n\t\tlet iPrev = i1 - 2,\n\t\t\tiNext = i1 + 1,\n\n\t\t\ttPrev = pp[ iPrev ],\n\t\t\ttNext = pp[ iNext ];\n\n\t\tif ( tPrev === undefined ) {\n\n\t\t\tswitch ( this.getSettings_().endingStart ) {\n\n\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t// f'(t0) = 0\n\t\t\t\t\tiPrev = i1;\n\t\t\t\t\ttPrev = 2 * t0 - t1;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\tiPrev = pp.length - 2;\n\t\t\t\t\ttPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ];\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t// f''(t0) = 0 a.k.a. Natural Spline\n\t\t\t\t\tiPrev = i1;\n\t\t\t\t\ttPrev = t1;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( tNext === undefined ) {\n\n\t\t\tswitch ( this.getSettings_().endingEnd ) {\n\n\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t// f'(tN) = 0\n\t\t\t\t\tiNext = i1;\n\t\t\t\t\ttNext = 2 * t1 - t0;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\tiNext = 1;\n\t\t\t\t\ttNext = t1 + pp[ 1 ] - pp[ 0 ];\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t// f''(tN) = 0, a.k.a. Natural Spline\n\t\t\t\t\tiNext = i1 - 1;\n\t\t\t\t\ttNext = t0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst halfDt = ( t1 - t0 ) * 0.5,\n\t\t\tstride = this.valueSize;\n\n\t\tthis._weightPrev = halfDt / ( t0 - tPrev );\n\t\tthis._weightNext = halfDt / ( tNext - t1 );\n\t\tthis._offsetPrev = iPrev * stride;\n\t\tthis._offsetNext = iNext * stride;\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\to1 = i1 * stride,\t\to0 = o1 - stride,\n\t\t\toP = this._offsetPrev, \toN = this._offsetNext,\n\t\t\twP = this._weightPrev,\twN = this._weightNext,\n\n\t\t\tp = ( t - t0 ) / ( t1 - t0 ),\n\t\t\tpp = p * p,\n\t\t\tppp = pp * p;\n\n\t\t// evaluate polynomials\n\n\t\tconst sP = - wP * ppp + 2 * wP * pp - wP * p;\n\t\tconst s0 = ( 1 + wP ) * ppp + ( - 1.5 - 2 * wP ) * pp + ( - 0.5 + wP ) * p + 1;\n\t\tconst s1 = ( - 1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p;\n\t\tconst sN = wN * ppp - wN * pp;\n\n\t\t// combine data linearly\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] =\n\t\t\t\t\tsP * values[ oP + i ] +\n\t\t\t\t\ts0 * values[ o0 + i ] +\n\t\t\t\t\ts1 * values[ o1 + i ] +\n\t\t\t\t\tsN * values[ oN + i ];\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\nclass LinearInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\toffset1 = i1 * stride,\n\t\t\toffset0 = offset1 - stride,\n\n\t\t\tweight1 = ( t - t0 ) / ( t1 - t0 ),\n\t\t\tweight0 = 1 - weight1;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] =\n\t\t\t\t\tvalues[ offset0 + i ] * weight0 +\n\t\t\t\t\tvalues[ offset1 + i ] * weight1;\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\n/**\n *\n * Interpolant that evaluates to the sample value at the position preceeding\n * the parameter.\n */\n\nclass DiscreteInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1 /*, t0, t, t1 */ ) {\n\n\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t}\n\n}\n\nclass KeyframeTrack {\n\n\tconstructor( name, times, values, interpolation ) {\n\n\t\tif ( name === undefined ) throw new Error( 'THREE.KeyframeTrack: track name is undefined' );\n\t\tif ( times === undefined || times.length === 0 ) throw new Error( 'THREE.KeyframeTrack: no keyframes in track named ' + name );\n\n\t\tthis.name = name;\n\n\t\tthis.times = AnimationUtils.convertArray( times, this.TimeBufferType );\n\t\tthis.values = AnimationUtils.convertArray( values, this.ValueBufferType );\n\n\t\tthis.setInterpolation( interpolation || this.DefaultInterpolation );\n\n\t}\n\n\t// Serialization (in static context, because of constructor invocation\n\t// and automatic invocation of .toJSON):\n\n\tstatic toJSON( track ) {\n\n\t\tconst trackType = track.constructor;\n\n\t\tlet json;\n\n\t\t// derived classes can define a static toJSON method\n\t\tif ( trackType.toJSON !== this.toJSON ) {\n\n\t\t\tjson = trackType.toJSON( track );\n\n\t\t} else {\n\n\t\t\t// by default, we assume the data can be serialized as-is\n\t\t\tjson = {\n\n\t\t\t\t'name': track.name,\n\t\t\t\t'times': AnimationUtils.convertArray( track.times, Array ),\n\t\t\t\t'values': AnimationUtils.convertArray( track.values, Array )\n\n\t\t\t};\n\n\t\t\tconst interpolation = track.getInterpolation();\n\n\t\t\tif ( interpolation !== track.DefaultInterpolation ) {\n\n\t\t\t\tjson.interpolation = interpolation;\n\n\t\t\t}\n\n\t\t}\n\n\t\tjson.type = track.ValueTypeName; // mandatory\n\n\t\treturn json;\n\n\t}\n\n\tInterpolantFactoryMethodDiscrete( result ) {\n\n\t\treturn new DiscreteInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\tInterpolantFactoryMethodLinear( result ) {\n\n\t\treturn new LinearInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\tInterpolantFactoryMethodSmooth( result ) {\n\n\t\treturn new CubicInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\tsetInterpolation( interpolation ) {\n\n\t\tlet factoryMethod;\n\n\t\tswitch ( interpolation ) {\n\n\t\t\tcase InterpolateDiscrete:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodDiscrete;\n\n\t\t\t\tbreak;\n\n\t\t\tcase InterpolateLinear:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodLinear;\n\n\t\t\t\tbreak;\n\n\t\t\tcase InterpolateSmooth:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodSmooth;\n\n\t\t\t\tbreak;\n\n\t\t}\n\n\t\tif ( factoryMethod === undefined ) {\n\n\t\t\tconst message = 'unsupported interpolation for ' +\n\t\t\t\tthis.ValueTypeName + ' keyframe track named ' + this.name;\n\n\t\t\tif ( this.createInterpolant === undefined ) {\n\n\t\t\t\t// fall back to default, unless the default itself is messed up\n\t\t\t\tif ( interpolation !== this.DefaultInterpolation ) {\n\n\t\t\t\t\tthis.setInterpolation( this.DefaultInterpolation );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new Error( message ); // fatal, in this case\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconsole.warn( 'THREE.KeyframeTrack:', message );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tthis.createInterpolant = factoryMethod;\n\n\t\treturn this;\n\n\t}\n\n\tgetInterpolation() {\n\n\t\tswitch ( this.createInterpolant ) {\n\n\t\t\tcase this.InterpolantFactoryMethodDiscrete:\n\n\t\t\t\treturn InterpolateDiscrete;\n\n\t\t\tcase this.InterpolantFactoryMethodLinear:\n\n\t\t\t\treturn InterpolateLinear;\n\n\t\t\tcase this.InterpolantFactoryMethodSmooth:\n\n\t\t\t\treturn InterpolateSmooth;\n\n\t\t}\n\n\t}\n\n\tgetValueSize() {\n\n\t\treturn this.values.length / this.times.length;\n\n\t}\n\n\t// move all keyframes either forwards or backwards in time\n\tshift( timeOffset ) {\n\n\t\tif ( timeOffset !== 0.0 ) {\n\n\t\t\tconst times = this.times;\n\n\t\t\tfor ( let i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\ttimes[ i ] += timeOffset;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// scale all keyframe times by a factor (useful for frame <-> seconds conversions)\n\tscale( timeScale ) {\n\n\t\tif ( timeScale !== 1.0 ) {\n\n\t\t\tconst times = this.times;\n\n\t\t\tfor ( let i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\ttimes[ i ] *= timeScale;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// removes keyframes before and after animation without changing any values within the range [startTime, endTime].\n\t// IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values\n\ttrim( startTime, endTime ) {\n\n\t\tconst times = this.times,\n\t\t\tnKeys = times.length;\n\n\t\tlet from = 0,\n\t\t\tto = nKeys - 1;\n\n\t\twhile ( from !== nKeys && times[ from ] < startTime ) {\n\n\t\t\t++ from;\n\n\t\t}\n\n\t\twhile ( to !== - 1 && times[ to ] > endTime ) {\n\n\t\t\t-- to;\n\n\t\t}\n\n\t\t++ to; // inclusive -> exclusive bound\n\n\t\tif ( from !== 0 || to !== nKeys ) {\n\n\t\t\t// empty tracks are forbidden, so keep at least one keyframe\n\t\t\tif ( from >= to ) {\n\n\t\t\t\tto = Math.max( to, 1 );\n\t\t\t\tfrom = to - 1;\n\n\t\t\t}\n\n\t\t\tconst stride = this.getValueSize();\n\t\t\tthis.times = AnimationUtils.arraySlice( times, from, to );\n\t\t\tthis.values = AnimationUtils.arraySlice( this.values, from * stride, to * stride );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable\n\tvalidate() {\n\n\t\tlet valid = true;\n\n\t\tconst valueSize = this.getValueSize();\n\t\tif ( valueSize - Math.floor( valueSize ) !== 0 ) {\n\n\t\t\tconsole.error( 'THREE.KeyframeTrack: Invalid value size in track.', this );\n\t\t\tvalid = false;\n\n\t\t}\n\n\t\tconst times = this.times,\n\t\t\tvalues = this.values,\n\n\t\t\tnKeys = times.length;\n\n\t\tif ( nKeys === 0 ) {\n\n\t\t\tconsole.error( 'THREE.KeyframeTrack: Track is empty.', this );\n\t\t\tvalid = false;\n\n\t\t}\n\n\t\tlet prevTime = null;\n\n\t\tfor ( let i = 0; i !== nKeys; i ++ ) {\n\n\t\t\tconst currTime = times[ i ];\n\n\t\t\tif ( typeof currTime === 'number' && isNaN( currTime ) ) {\n\n\t\t\t\tconsole.error( 'THREE.KeyframeTrack: Time is not a valid number.', this, i, currTime );\n\t\t\t\tvalid = false;\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( prevTime !== null && prevTime > currTime ) {\n\n\t\t\t\tconsole.error( 'THREE.KeyframeTrack: Out of order keys.', this, i, currTime, prevTime );\n\t\t\t\tvalid = false;\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tprevTime = currTime;\n\n\t\t}\n\n\t\tif ( values !== undefined ) {\n\n\t\t\tif ( AnimationUtils.isTypedArray( values ) ) {\n\n\t\t\t\tfor ( let i = 0, n = values.length; i !== n; ++ i ) {\n\n\t\t\t\t\tconst value = values[ i ];\n\n\t\t\t\t\tif ( isNaN( value ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.KeyframeTrack: Value is not a valid number.', this, i, value );\n\t\t\t\t\t\tvalid = false;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn valid;\n\n\t}\n\n\t// removes equivalent sequential keys as common in morph target sequences\n\t// (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0)\n\toptimize() {\n\n\t\t// times or values may be shared with other tracks, so overwriting is unsafe\n\t\tconst times = AnimationUtils.arraySlice( this.times ),\n\t\t\tvalues = AnimationUtils.arraySlice( this.values ),\n\t\t\tstride = this.getValueSize(),\n\n\t\t\tsmoothInterpolation = this.getInterpolation() === InterpolateSmooth,\n\n\t\t\tlastIndex = times.length - 1;\n\n\t\tlet writeIndex = 1;\n\n\t\tfor ( let i = 1; i < lastIndex; ++ i ) {\n\n\t\t\tlet keep = false;\n\n\t\t\tconst time = times[ i ];\n\t\t\tconst timeNext = times[ i + 1 ];\n\n\t\t\t// remove adjacent keyframes scheduled at the same time\n\n\t\t\tif ( time !== timeNext && ( i !== 1 || time !== times[ 0 ] ) ) {\n\n\t\t\t\tif ( ! smoothInterpolation ) {\n\n\t\t\t\t\t// remove unnecessary keyframes same as their neighbors\n\n\t\t\t\t\tconst offset = i * stride,\n\t\t\t\t\t\toffsetP = offset - stride,\n\t\t\t\t\t\toffsetN = offset + stride;\n\n\t\t\t\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\tconst value = values[ offset + j ];\n\n\t\t\t\t\t\tif ( value !== values[ offsetP + j ] ||\n\t\t\t\t\t\t\tvalue !== values[ offsetN + j ] ) {\n\n\t\t\t\t\t\t\tkeep = true;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tkeep = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// in-place compaction\n\n\t\t\tif ( keep ) {\n\n\t\t\t\tif ( i !== writeIndex ) {\n\n\t\t\t\t\ttimes[ writeIndex ] = times[ i ];\n\n\t\t\t\t\tconst readOffset = i * stride,\n\t\t\t\t\t\twriteOffset = writeIndex * stride;\n\n\t\t\t\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t++ writeIndex;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// flush last keyframe (compaction looks ahead)\n\n\t\tif ( lastIndex > 0 ) {\n\n\t\t\ttimes[ writeIndex ] = times[ lastIndex ];\n\n\t\t\tfor ( let readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j ) {\n\n\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t}\n\n\t\t\t++ writeIndex;\n\n\t\t}\n\n\t\tif ( writeIndex !== times.length ) {\n\n\t\t\tthis.times = AnimationUtils.arraySlice( times, 0, writeIndex );\n\t\t\tthis.values = AnimationUtils.arraySlice( values, 0, writeIndex * stride );\n\n\t\t} else {\n\n\t\t\tthis.times = times;\n\t\t\tthis.values = values;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\tconst times = AnimationUtils.arraySlice( this.times, 0 );\n\t\tconst values = AnimationUtils.arraySlice( this.values, 0 );\n\n\t\tconst TypedKeyframeTrack = this.constructor;\n\t\tconst track = new TypedKeyframeTrack( this.name, times, values );\n\n\t\t// Interpolant argument to constructor is not saved, so copy the factory method directly.\n\t\ttrack.createInterpolant = this.createInterpolant;\n\n\t\treturn track;\n\n\t}\n\n}\n\nKeyframeTrack.prototype.TimeBufferType = Float32Array;\nKeyframeTrack.prototype.ValueBufferType = Float32Array;\nKeyframeTrack.prototype.DefaultInterpolation = InterpolateLinear;\n\n/**\n * A Track of Boolean keyframe values.\n */\nclass BooleanKeyframeTrack extends KeyframeTrack {}\n\nBooleanKeyframeTrack.prototype.ValueTypeName = 'bool';\nBooleanKeyframeTrack.prototype.ValueBufferType = Array;\nBooleanKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete;\nBooleanKeyframeTrack.prototype.InterpolantFactoryMethodLinear = undefined;\nBooleanKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A Track of keyframe values that represent color.\n */\nclass ColorKeyframeTrack extends KeyframeTrack {}\n\nColorKeyframeTrack.prototype.ValueTypeName = 'color';\n\n/**\n * A Track of numeric keyframe values.\n */\nclass NumberKeyframeTrack extends KeyframeTrack {}\n\nNumberKeyframeTrack.prototype.ValueTypeName = 'number';\n\n/**\n * Spherical linear unit quaternion interpolant.\n */\n\nclass QuaternionLinearInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\talpha = ( t - t0 ) / ( t1 - t0 );\n\n\t\tlet offset = i1 * stride;\n\n\t\tfor ( let end = offset + stride; offset !== end; offset += 4 ) {\n\n\t\t\tQuaternion.slerpFlat( result, 0, values, offset - stride, values, offset, alpha );\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\n/**\n * A Track of quaternion keyframe values.\n */\nclass QuaternionKeyframeTrack extends KeyframeTrack {\n\n\tInterpolantFactoryMethodLinear( result ) {\n\n\t\treturn new QuaternionLinearInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n}\n\nQuaternionKeyframeTrack.prototype.ValueTypeName = 'quaternion';\n// ValueBufferType is inherited\nQuaternionKeyframeTrack.prototype.DefaultInterpolation = InterpolateLinear;\nQuaternionKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A Track that interpolates Strings\n */\nclass StringKeyframeTrack extends KeyframeTrack {}\n\nStringKeyframeTrack.prototype.ValueTypeName = 'string';\nStringKeyframeTrack.prototype.ValueBufferType = Array;\nStringKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete;\nStringKeyframeTrack.prototype.InterpolantFactoryMethodLinear = undefined;\nStringKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A Track of vectored keyframe values.\n */\nclass VectorKeyframeTrack extends KeyframeTrack {}\n\nVectorKeyframeTrack.prototype.ValueTypeName = 'vector';\n\nclass AnimationClip {\n\n\tconstructor( name, duration = - 1, tracks, blendMode = NormalAnimationBlendMode ) {\n\n\t\tthis.name = name;\n\t\tthis.tracks = tracks;\n\t\tthis.duration = duration;\n\t\tthis.blendMode = blendMode;\n\n\t\tthis.uuid = generateUUID();\n\n\t\t// this means it should figure out its duration by scanning the tracks\n\t\tif ( this.duration < 0 ) {\n\n\t\t\tthis.resetDuration();\n\n\t\t}\n\n\t}\n\n\n\tstatic parse( json ) {\n\n\t\tconst tracks = [],\n\t\t\tjsonTracks = json.tracks,\n\t\t\tframeTime = 1.0 / ( json.fps || 1.0 );\n\n\t\tfor ( let i = 0, n = jsonTracks.length; i !== n; ++ i ) {\n\n\t\t\ttracks.push( parseKeyframeTrack( jsonTracks[ i ] ).scale( frameTime ) );\n\n\t\t}\n\n\t\tconst clip = new this( json.name, json.duration, tracks, json.blendMode );\n\t\tclip.uuid = json.uuid;\n\n\t\treturn clip;\n\n\t}\n\n\tstatic toJSON( clip ) {\n\n\t\tconst tracks = [],\n\t\t\tclipTracks = clip.tracks;\n\n\t\tconst json = {\n\n\t\t\t'name': clip.name,\n\t\t\t'duration': clip.duration,\n\t\t\t'tracks': tracks,\n\t\t\t'uuid': clip.uuid,\n\t\t\t'blendMode': clip.blendMode\n\n\t\t};\n\n\t\tfor ( let i = 0, n = clipTracks.length; i !== n; ++ i ) {\n\n\t\t\ttracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) );\n\n\t\t}\n\n\t\treturn json;\n\n\t}\n\n\tstatic CreateFromMorphTargetSequence( name, morphTargetSequence, fps, noLoop ) {\n\n\t\tconst numMorphTargets = morphTargetSequence.length;\n\t\tconst tracks = [];\n\n\t\tfor ( let i = 0; i < numMorphTargets; i ++ ) {\n\n\t\t\tlet times = [];\n\t\t\tlet values = [];\n\n\t\t\ttimes.push(\n\t\t\t\t( i + numMorphTargets - 1 ) % numMorphTargets,\n\t\t\t\ti,\n\t\t\t\t( i + 1 ) % numMorphTargets );\n\n\t\t\tvalues.push( 0, 1, 0 );\n\n\t\t\tconst order = AnimationUtils.getKeyframeOrder( times );\n\t\t\ttimes = AnimationUtils.sortedArray( times, 1, order );\n\t\t\tvalues = AnimationUtils.sortedArray( values, 1, order );\n\n\t\t\t// if there is a key at the first frame, duplicate it as the\n\t\t\t// last frame as well for perfect loop.\n\t\t\tif ( ! noLoop && times[ 0 ] === 0 ) {\n\n\t\t\t\ttimes.push( numMorphTargets );\n\t\t\t\tvalues.push( values[ 0 ] );\n\n\t\t\t}\n\n\t\t\ttracks.push(\n\t\t\t\tnew NumberKeyframeTrack(\n\t\t\t\t\t'.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']',\n\t\t\t\t\ttimes, values\n\t\t\t\t).scale( 1.0 / fps ) );\n\n\t\t}\n\n\t\treturn new this( name, - 1, tracks );\n\n\t}\n\n\tstatic findByName( objectOrClipArray, name ) {\n\n\t\tlet clipArray = objectOrClipArray;\n\n\t\tif ( ! Array.isArray( objectOrClipArray ) ) {\n\n\t\t\tconst o = objectOrClipArray;\n\t\t\tclipArray = o.geometry && o.geometry.animations || o.animations;\n\n\t\t}\n\n\t\tfor ( let i = 0; i < clipArray.length; i ++ ) {\n\n\t\t\tif ( clipArray[ i ].name === name ) {\n\n\t\t\t\treturn clipArray[ i ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\tstatic CreateClipsFromMorphTargetSequences( morphTargets, fps, noLoop ) {\n\n\t\tconst animationToMorphTargets = {};\n\n\t\t// tested with https://regex101.com/ on trick sequences\n\t\t// such flamingo_flyA_003, flamingo_run1_003, crdeath0059\n\t\tconst pattern = /^([\\w-]*?)([\\d]+)$/;\n\n\t\t// sort morph target names into animation groups based\n\t\t// patterns like Walk_001, Walk_002, Run_001, Run_002\n\t\tfor ( let i = 0, il = morphTargets.length; i < il; i ++ ) {\n\n\t\t\tconst morphTarget = morphTargets[ i ];\n\t\t\tconst parts = morphTarget.name.match( pattern );\n\n\t\t\tif ( parts && parts.length > 1 ) {\n\n\t\t\t\tconst name = parts[ 1 ];\n\n\t\t\t\tlet animationMorphTargets = animationToMorphTargets[ name ];\n\n\t\t\t\tif ( ! animationMorphTargets ) {\n\n\t\t\t\t\tanimationToMorphTargets[ name ] = animationMorphTargets = [];\n\n\t\t\t\t}\n\n\t\t\t\tanimationMorphTargets.push( morphTarget );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst clips = [];\n\n\t\tfor ( const name in animationToMorphTargets ) {\n\n\t\t\tclips.push( this.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) );\n\n\t\t}\n\n\t\treturn clips;\n\n\t}\n\n\t// parse the animation.hierarchy format\n\tstatic parseAnimation( animation, bones ) {\n\n\t\tif ( ! animation ) {\n\n\t\t\tconsole.error( 'THREE.AnimationClip: No animation in JSONLoader data.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst addNonemptyTrack = function ( trackType, trackName, animationKeys, propertyName, destTracks ) {\n\n\t\t\t// only return track if there are actually keys.\n\t\t\tif ( animationKeys.length !== 0 ) {\n\n\t\t\t\tconst times = [];\n\t\t\t\tconst values = [];\n\n\t\t\t\tAnimationUtils.flattenJSON( animationKeys, times, values, propertyName );\n\n\t\t\t\t// empty keys are filtered out, so check again\n\t\t\t\tif ( times.length !== 0 ) {\n\n\t\t\t\t\tdestTracks.push( new trackType( trackName, times, values ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tconst tracks = [];\n\n\t\tconst clipName = animation.name || 'default';\n\t\tconst fps = animation.fps || 30;\n\t\tconst blendMode = animation.blendMode;\n\n\t\t// automatic length determination in AnimationClip.\n\t\tlet duration = animation.length || - 1;\n\n\t\tconst hierarchyTracks = animation.hierarchy || [];\n\n\t\tfor ( let h = 0; h < hierarchyTracks.length; h ++ ) {\n\n\t\t\tconst animationKeys = hierarchyTracks[ h ].keys;\n\n\t\t\t// skip empty tracks\n\t\t\tif ( ! animationKeys || animationKeys.length === 0 ) continue;\n\n\t\t\t// process morph targets\n\t\t\tif ( animationKeys[ 0 ].morphTargets ) {\n\n\t\t\t\t// figure out all morph targets used in this track\n\t\t\t\tconst morphTargetNames = {};\n\n\t\t\t\tlet k;\n\n\t\t\t\tfor ( k = 0; k < animationKeys.length; k ++ ) {\n\n\t\t\t\t\tif ( animationKeys[ k ].morphTargets ) {\n\n\t\t\t\t\t\tfor ( let m = 0; m < animationKeys[ k ].morphTargets.length; m ++ ) {\n\n\t\t\t\t\t\t\tmorphTargetNames[ animationKeys[ k ].morphTargets[ m ] ] = - 1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// create a track for each morph target with all zero\n\t\t\t\t// morphTargetInfluences except for the keys in which\n\t\t\t\t// the morphTarget is named.\n\t\t\t\tfor ( const morphTargetName in morphTargetNames ) {\n\n\t\t\t\t\tconst times = [];\n\t\t\t\t\tconst values = [];\n\n\t\t\t\t\tfor ( let m = 0; m !== animationKeys[ k ].morphTargets.length; ++ m ) {\n\n\t\t\t\t\t\tconst animationKey = animationKeys[ k ];\n\n\t\t\t\t\t\ttimes.push( animationKey.time );\n\t\t\t\t\t\tvalues.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttracks.push( new NumberKeyframeTrack( '.morphTargetInfluence[' + morphTargetName + ']', times, values ) );\n\n\t\t\t\t}\n\n\t\t\t\tduration = morphTargetNames.length * ( fps || 1.0 );\n\n\t\t\t} else {\n\n\t\t\t\t// ...assume skeletal animation\n\n\t\t\t\tconst boneName = '.bones[' + bones[ h ].name + ']';\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tVectorKeyframeTrack, boneName + '.position',\n\t\t\t\t\tanimationKeys, 'pos', tracks );\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tQuaternionKeyframeTrack, boneName + '.quaternion',\n\t\t\t\t\tanimationKeys, 'rot', tracks );\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tVectorKeyframeTrack, boneName + '.scale',\n\t\t\t\t\tanimationKeys, 'scl', tracks );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( tracks.length === 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst clip = new this( clipName, duration, tracks, blendMode );\n\n\t\treturn clip;\n\n\t}\n\n\tresetDuration() {\n\n\t\tconst tracks = this.tracks;\n\t\tlet duration = 0;\n\n\t\tfor ( let i = 0, n = tracks.length; i !== n; ++ i ) {\n\n\t\t\tconst track = this.tracks[ i ];\n\n\t\t\tduration = Math.max( duration, track.times[ track.times.length - 1 ] );\n\n\t\t}\n\n\t\tthis.duration = duration;\n\n\t\treturn this;\n\n\t}\n\n\ttrim() {\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tthis.tracks[ i ].trim( 0, this.duration );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tvalidate() {\n\n\t\tlet valid = true;\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tvalid = valid && this.tracks[ i ].validate();\n\n\t\t}\n\n\t\treturn valid;\n\n\t}\n\n\toptimize() {\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tthis.tracks[ i ].optimize();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\tconst tracks = [];\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\ttracks.push( this.tracks[ i ].clone() );\n\n\t\t}\n\n\t\treturn new this.constructor( this.name, this.duration, tracks, this.blendMode );\n\n\t}\n\n\ttoJSON() {\n\n\t\treturn this.constructor.toJSON( this );\n\n\t}\n\n}\n\nfunction getTrackTypeForValueTypeName( typeName ) {\n\n\tswitch ( typeName.toLowerCase() ) {\n\n\t\tcase 'scalar':\n\t\tcase 'double':\n\t\tcase 'float':\n\t\tcase 'number':\n\t\tcase 'integer':\n\n\t\t\treturn NumberKeyframeTrack;\n\n\t\tcase 'vector':\n\t\tcase 'vector2':\n\t\tcase 'vector3':\n\t\tcase 'vector4':\n\n\t\t\treturn VectorKeyframeTrack;\n\n\t\tcase 'color':\n\n\t\t\treturn ColorKeyframeTrack;\n\n\t\tcase 'quaternion':\n\n\t\t\treturn QuaternionKeyframeTrack;\n\n\t\tcase 'bool':\n\t\tcase 'boolean':\n\n\t\t\treturn BooleanKeyframeTrack;\n\n\t\tcase 'string':\n\n\t\t\treturn StringKeyframeTrack;\n\n\t}\n\n\tthrow new Error( 'THREE.KeyframeTrack: Unsupported typeName: ' + typeName );\n\n}\n\nfunction parseKeyframeTrack( json ) {\n\n\tif ( json.type === undefined ) {\n\n\t\tthrow new Error( 'THREE.KeyframeTrack: track type undefined, can not parse' );\n\n\t}\n\n\tconst trackType = getTrackTypeForValueTypeName( json.type );\n\n\tif ( json.times === undefined ) {\n\n\t\tconst times = [], values = [];\n\n\t\tAnimationUtils.flattenJSON( json.keys, times, values, 'value' );\n\n\t\tjson.times = times;\n\t\tjson.values = values;\n\n\t}\n\n\t// derived classes can define a static parse method\n\tif ( trackType.parse !== undefined ) {\n\n\t\treturn trackType.parse( json );\n\n\t} else {\n\n\t\t// by default, we assume a constructor compatible with the base\n\t\treturn new trackType( json.name, json.times, json.values, json.interpolation );\n\n\t}\n\n}\n\nconst Cache = {\n\n\tenabled: false,\n\n\tfiles: {},\n\n\tadd: function ( key, file ) {\n\n\t\tif ( this.enabled === false ) return;\n\n\t\t// console.log( 'THREE.Cache', 'Adding key:', key );\n\n\t\tthis.files[ key ] = file;\n\n\t},\n\n\tget: function ( key ) {\n\n\t\tif ( this.enabled === false ) return;\n\n\t\t// console.log( 'THREE.Cache', 'Checking key:', key );\n\n\t\treturn this.files[ key ];\n\n\t},\n\n\tremove: function ( key ) {\n\n\t\tdelete this.files[ key ];\n\n\t},\n\n\tclear: function () {\n\n\t\tthis.files = {};\n\n\t}\n\n};\n\nclass LoadingManager {\n\n\tconstructor( onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tlet isLoading = false;\n\t\tlet itemsLoaded = 0;\n\t\tlet itemsTotal = 0;\n\t\tlet urlModifier = undefined;\n\t\tconst handlers = [];\n\n\t\t// Refer to #5689 for the reason why we don't set .onStart\n\t\t// in the constructor\n\n\t\tthis.onStart = undefined;\n\t\tthis.onLoad = onLoad;\n\t\tthis.onProgress = onProgress;\n\t\tthis.onError = onError;\n\n\t\tthis.itemStart = function ( url ) {\n\n\t\t\titemsTotal ++;\n\n\t\t\tif ( isLoading === false ) {\n\n\t\t\t\tif ( scope.onStart !== undefined ) {\n\n\t\t\t\t\tscope.onStart( url, itemsLoaded, itemsTotal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tisLoading = true;\n\n\t\t};\n\n\t\tthis.itemEnd = function ( url ) {\n\n\t\t\titemsLoaded ++;\n\n\t\t\tif ( scope.onProgress !== undefined ) {\n\n\t\t\t\tscope.onProgress( url, itemsLoaded, itemsTotal );\n\n\t\t\t}\n\n\t\t\tif ( itemsLoaded === itemsTotal ) {\n\n\t\t\t\tisLoading = false;\n\n\t\t\t\tif ( scope.onLoad !== undefined ) {\n\n\t\t\t\t\tscope.onLoad();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.itemError = function ( url ) {\n\n\t\t\tif ( scope.onError !== undefined ) {\n\n\t\t\t\tscope.onError( url );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.resolveURL = function ( url ) {\n\n\t\t\tif ( urlModifier ) {\n\n\t\t\t\treturn urlModifier( url );\n\n\t\t\t}\n\n\t\t\treturn url;\n\n\t\t};\n\n\t\tthis.setURLModifier = function ( transform ) {\n\n\t\t\turlModifier = transform;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\tthis.addHandler = function ( regex, loader ) {\n\n\t\t\thandlers.push( regex, loader );\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\tthis.removeHandler = function ( regex ) {\n\n\t\t\tconst index = handlers.indexOf( regex );\n\n\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\thandlers.splice( index, 2 );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\tthis.getHandler = function ( file ) {\n\n\t\t\tfor ( let i = 0, l = handlers.length; i < l; i += 2 ) {\n\n\t\t\t\tconst regex = handlers[ i ];\n\t\t\t\tconst loader = handlers[ i + 1 ];\n\n\t\t\t\tif ( regex.global ) regex.lastIndex = 0; // see #17920\n\n\t\t\t\tif ( regex.test( file ) ) {\n\n\t\t\t\t\treturn loader;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t};\n\n\t}\n\n}\n\nconst DefaultLoadingManager = new LoadingManager();\n\nclass Loader {\n\n\tconstructor( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\tthis.crossOrigin = 'anonymous';\n\t\tthis.withCredentials = false;\n\t\tthis.path = '';\n\t\tthis.resourcePath = '';\n\t\tthis.requestHeader = {};\n\n\t}\n\n\tload( /* url, onLoad, onProgress, onError */ ) {}\n\n\tloadAsync( url, onProgress ) {\n\n\t\tconst scope = this;\n\n\t\treturn new Promise( function ( resolve, reject ) {\n\n\t\t\tscope.load( url, resolve, onProgress, reject );\n\n\t\t} );\n\n\t}\n\n\tparse( /* data */ ) {}\n\n\tsetCrossOrigin( crossOrigin ) {\n\n\t\tthis.crossOrigin = crossOrigin;\n\t\treturn this;\n\n\t}\n\n\tsetWithCredentials( value ) {\n\n\t\tthis.withCredentials = value;\n\t\treturn this;\n\n\t}\n\n\tsetPath( path ) {\n\n\t\tthis.path = path;\n\t\treturn this;\n\n\t}\n\n\tsetResourcePath( resourcePath ) {\n\n\t\tthis.resourcePath = resourcePath;\n\t\treturn this;\n\n\t}\n\n\tsetRequestHeader( requestHeader ) {\n\n\t\tthis.requestHeader = requestHeader;\n\t\treturn this;\n\n\t}\n\n}\n\nconst loading = {};\n\nclass FileLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( url === undefined ) url = '';\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst cached = Cache.get( url );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tthis.manager.itemStart( url );\n\n\t\t\tsetTimeout( () => {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tthis.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\t// Check if request is duplicate\n\n\t\tif ( loading[ url ] !== undefined ) {\n\n\t\t\tloading[ url ].push( {\n\n\t\t\t\tonLoad: onLoad,\n\t\t\t\tonProgress: onProgress,\n\t\t\t\tonError: onError\n\n\t\t\t} );\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t// Initialise array for duplicate requests\n\t\tloading[ url ] = [];\n\n\t\tloading[ url ].push( {\n\t\t\tonLoad: onLoad,\n\t\t\tonProgress: onProgress,\n\t\t\tonError: onError,\n\t\t} );\n\n\t\t// create request\n\t\tconst req = new Request( url, {\n\t\t\theaders: new Headers( this.requestHeader ),\n\t\t\tcredentials: this.withCredentials ? 'include' : 'same-origin',\n\t\t\t// An abort controller could be added within a future PR\n\t\t} );\n\n\t\t// start the fetch\n\t\tfetch( req )\n\t\t\t.then( response => {\n\n\t\t\t\tif ( response.status === 200 || response.status === 0 ) {\n\n\t\t\t\t\t// Some browsers return HTTP Status 0 when using non-http protocol\n\t\t\t\t\t// e.g. 'file://' or 'data://'. Handle as success.\n\n\t\t\t\t\tif ( response.status === 0 ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.FileLoader: HTTP Status 0 received.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst callbacks = loading[ url ];\n\t\t\t\t\tconst reader = response.body.getReader();\n\t\t\t\t\tconst contentLength = response.headers.get( 'Content-Length' );\n\t\t\t\t\tconst total = contentLength ? parseInt( contentLength ) : 0;\n\t\t\t\t\tconst lengthComputable = total !== 0;\n\t\t\t\t\tlet loaded = 0;\n\n\t\t\t\t\t// periodically read data into the new stream tracking while download progress\n\t\t\t\t\treturn new ReadableStream( {\n\t\t\t\t\t\tstart( controller ) {\n\n\t\t\t\t\t\t\treadData();\n\n\t\t\t\t\t\t\tfunction readData() {\n\n\t\t\t\t\t\t\t\treader.read().then( ( { done, value } ) => {\n\n\t\t\t\t\t\t\t\t\tif ( done ) {\n\n\t\t\t\t\t\t\t\t\t\tcontroller.close();\n\n\t\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\t\tloaded += value.byteLength;\n\n\t\t\t\t\t\t\t\t\t\tconst event = new ProgressEvent( 'progress', { lengthComputable, loaded, total } );\n\t\t\t\t\t\t\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\t\t\t\t\t\t\tif ( callback.onProgress ) callback.onProgress( event );\n\n\t\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t\t\tcontroller.enqueue( value );\n\t\t\t\t\t\t\t\t\t\treadData();\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow Error( `fetch for \"${response.url}\" responded with ${response.status}: ${response.statusText}` );\n\n\t\t\t\t}\n\n\t\t\t} )\n\t\t\t.then( stream => {\n\n\t\t\t\tconst response = new Response( stream );\n\n\t\t\t\tswitch ( this.responseType ) {\n\n\t\t\t\t\tcase 'arraybuffer':\n\n\t\t\t\t\t\treturn response.arrayBuffer();\n\n\t\t\t\t\tcase 'blob':\n\n\t\t\t\t\t\treturn response.blob();\n\n\t\t\t\t\tcase 'document':\n\n\t\t\t\t\t\treturn response.text()\n\t\t\t\t\t\t\t.then( text => {\n\n\t\t\t\t\t\t\t\tconst parser = new DOMParser();\n\t\t\t\t\t\t\t\treturn parser.parseFromString( text, this.mimeType );\n\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\tcase 'json':\n\n\t\t\t\t\t\treturn response.json();\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\treturn response.text();\n\n\t\t\t\t}\n\n\t\t\t} )\n\t\t\t.then( data => {\n\n\t\t\t\t// Add to cache only on HTTP success, so that we do not cache\n\t\t\t\t// error response bodies as proper responses to requests.\n\t\t\t\tCache.add( url, data );\n\n\t\t\t\tconst callbacks = loading[ url ];\n\t\t\t\tdelete loading[ url ];\n\n\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\tif ( callback.onLoad ) callback.onLoad( data );\n\n\t\t\t\t}\n\n\t\t\t\tthis.manager.itemEnd( url );\n\n\t\t\t} )\n\t\t\t.catch( err => {\n\n\t\t\t\t// Abort errors and other errors are handled the same\n\n\t\t\t\tconst callbacks = loading[ url ];\n\t\t\t\tdelete loading[ url ];\n\n\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\tif ( callback.onError ) callback.onError( err );\n\n\t\t\t\t}\n\n\t\t\t\tthis.manager.itemError( url );\n\t\t\t\tthis.manager.itemEnd( url );\n\n\t\t\t} );\n\n\t\tthis.manager.itemStart( url );\n\n\t}\n\n\tsetResponseType( value ) {\n\n\t\tthis.responseType = value;\n\t\treturn this;\n\n\t}\n\n\tsetMimeType( value ) {\n\n\t\tthis.mimeType = value;\n\t\treturn this;\n\n\t}\n\n}\n\nclass AnimationLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\tconst animations = [];\n\n\t\tfor ( let i = 0; i < json.length; i ++ ) {\n\n\t\t\tconst clip = AnimationClip.parse( json[ i ] );\n\n\t\t\tanimations.push( clip );\n\n\t\t}\n\n\t\treturn animations;\n\n\t}\n\n}\n\n/**\n * Abstract Base class to block based textures loader (dds, pvr, ...)\n *\n * Sub classes have to implement the parse() method which will be used in load().\n */\n\nclass CompressedTextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst images = [];\n\n\t\tconst texture = new CompressedTexture();\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\n\t\tlet loaded = 0;\n\n\t\tfunction loadTexture( i ) {\n\n\t\t\tloader.load( url[ i ], function ( buffer ) {\n\n\t\t\t\tconst texDatas = scope.parse( buffer, true );\n\n\t\t\t\timages[ i ] = {\n\t\t\t\t\twidth: texDatas.width,\n\t\t\t\t\theight: texDatas.height,\n\t\t\t\t\tformat: texDatas.format,\n\t\t\t\t\tmipmaps: texDatas.mipmaps\n\t\t\t\t};\n\n\t\t\t\tloaded += 1;\n\n\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\tif ( texDatas.mipmapCount === 1 ) texture.minFilter = LinearFilter;\n\n\t\t\t\t\ttexture.image = images;\n\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t\tif ( Array.isArray( url ) ) {\n\n\t\t\tfor ( let i = 0, il = url.length; i < il; ++ i ) {\n\n\t\t\t\tloadTexture( i );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// compressed cubemap texture stored in a single DDS file\n\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tconst texDatas = scope.parse( buffer, true );\n\n\t\t\t\tif ( texDatas.isCubemap ) {\n\n\t\t\t\t\tconst faces = texDatas.mipmaps.length / texDatas.mipmapCount;\n\n\t\t\t\t\tfor ( let f = 0; f < faces; f ++ ) {\n\n\t\t\t\t\t\timages[ f ] = { mipmaps: [] };\n\n\t\t\t\t\t\tfor ( let i = 0; i < texDatas.mipmapCount; i ++ ) {\n\n\t\t\t\t\t\t\timages[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] );\n\t\t\t\t\t\t\timages[ f ].format = texDatas.format;\n\t\t\t\t\t\t\timages[ f ].width = texDatas.width;\n\t\t\t\t\t\t\timages[ f ].height = texDatas.height;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.image = images;\n\n\t\t\t\t} else {\n\n\t\t\t\t\ttexture.image.width = texDatas.width;\n\t\t\t\t\ttexture.image.height = texDatas.height;\n\t\t\t\t\ttexture.mipmaps = texDatas.mipmaps;\n\n\t\t\t\t}\n\n\t\t\t\tif ( texDatas.mipmapCount === 1 ) {\n\n\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n}\n\nclass ImageLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst scope = this;\n\n\t\tconst cached = Cache.get( url );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\tsetTimeout( function () {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\tconst image = createElementNS( 'img' );\n\n\t\tfunction onImageLoad() {\n\n\t\t\tremoveEventListeners();\n\n\t\t\tCache.add( url, this );\n\n\t\t\tif ( onLoad ) onLoad( this );\n\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t}\n\n\t\tfunction onImageError( event ) {\n\n\t\t\tremoveEventListeners();\n\n\t\t\tif ( onError ) onError( event );\n\n\t\t\tscope.manager.itemError( url );\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t}\n\n\t\tfunction removeEventListeners() {\n\n\t\t\timage.removeEventListener( 'load', onImageLoad, false );\n\t\t\timage.removeEventListener( 'error', onImageError, false );\n\n\t\t}\n\n\t\timage.addEventListener( 'load', onImageLoad, false );\n\t\timage.addEventListener( 'error', onImageError, false );\n\n\t\tif ( url.substr( 0, 5 ) !== 'data:' ) {\n\n\t\t\tif ( this.crossOrigin !== undefined ) image.crossOrigin = this.crossOrigin;\n\n\t\t}\n\n\t\tscope.manager.itemStart( url );\n\n\t\timage.src = url;\n\n\t\treturn image;\n\n\t}\n\n}\n\nclass CubeTextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( urls, onLoad, onProgress, onError ) {\n\n\t\tconst texture = new CubeTexture();\n\n\t\tconst loader = new ImageLoader( this.manager );\n\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\tloader.setPath( this.path );\n\n\t\tlet loaded = 0;\n\n\t\tfunction loadTexture( i ) {\n\n\t\t\tloader.load( urls[ i ], function ( image ) {\n\n\t\t\t\ttexture.images[ i ] = image;\n\n\t\t\t\tloaded ++;\n\n\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, undefined, onError );\n\n\t\t}\n\n\t\tfor ( let i = 0; i < urls.length; ++ i ) {\n\n\t\t\tloadTexture( i );\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n}\n\n/**\n * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...)\n *\n * Sub classes have to implement the parse() method which will be used in load().\n */\n\nclass DataTextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst texture = new DataTexture();\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setPath( this.path );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( buffer ) {\n\n\t\t\tconst texData = scope.parse( buffer );\n\n\t\t\tif ( ! texData ) return;\n\n\t\t\tif ( texData.image !== undefined ) {\n\n\t\t\t\ttexture.image = texData.image;\n\n\t\t\t} else if ( texData.data !== undefined ) {\n\n\t\t\t\ttexture.image.width = texData.width;\n\t\t\t\ttexture.image.height = texData.height;\n\t\t\t\ttexture.image.data = texData.data;\n\n\t\t\t}\n\n\t\t\ttexture.wrapS = texData.wrapS !== undefined ? texData.wrapS : ClampToEdgeWrapping;\n\t\t\ttexture.wrapT = texData.wrapT !== undefined ? texData.wrapT : ClampToEdgeWrapping;\n\n\t\t\ttexture.magFilter = texData.magFilter !== undefined ? texData.magFilter : LinearFilter;\n\t\t\ttexture.minFilter = texData.minFilter !== undefined ? texData.minFilter : LinearFilter;\n\n\t\t\ttexture.anisotropy = texData.anisotropy !== undefined ? texData.anisotropy : 1;\n\n\t\t\tif ( texData.encoding !== undefined ) {\n\n\t\t\t\ttexture.encoding = texData.encoding;\n\n\t\t\t}\n\n\t\t\tif ( texData.flipY !== undefined ) {\n\n\t\t\t\ttexture.flipY = texData.flipY;\n\n\t\t\t}\n\n\t\t\tif ( texData.format !== undefined ) {\n\n\t\t\t\ttexture.format = texData.format;\n\n\t\t\t}\n\n\t\t\tif ( texData.type !== undefined ) {\n\n\t\t\t\ttexture.type = texData.type;\n\n\t\t\t}\n\n\t\t\tif ( texData.mipmaps !== undefined ) {\n\n\t\t\t\ttexture.mipmaps = texData.mipmaps;\n\t\t\t\ttexture.minFilter = LinearMipmapLinearFilter; // presumably...\n\n\t\t\t}\n\n\t\t\tif ( texData.mipmapCount === 1 ) {\n\n\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t}\n\n\t\t\tif ( texData.generateMipmaps !== undefined ) {\n\n\t\t\t\ttexture.generateMipmaps = texData.generateMipmaps;\n\n\t\t\t}\n\n\t\t\ttexture.needsUpdate = true;\n\n\t\t\tif ( onLoad ) onLoad( texture, texData );\n\n\t\t}, onProgress, onError );\n\n\n\t\treturn texture;\n\n\t}\n\n}\n\nclass TextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst texture = new Texture();\n\n\t\tconst loader = new ImageLoader( this.manager );\n\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\tloader.setPath( this.path );\n\n\t\tloader.load( url, function ( image ) {\n\n\t\t\ttexture.image = image;\n\t\t\ttexture.needsUpdate = true;\n\n\t\t\tif ( onLoad !== undefined ) {\n\n\t\t\t\tonLoad( texture );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t\treturn texture;\n\n\t}\n\n}\n\nclass Light extends Object3D {\n\n\tconstructor( color, intensity = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Light';\n\n\t\tthis.color = new Color( color );\n\t\tthis.intensity = intensity;\n\n\t}\n\n\tdispose() {\n\n\t\t// Empty here in base class; some subclasses override.\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.intensity = source.intensity;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.color = this.color.getHex();\n\t\tdata.object.intensity = this.intensity;\n\n\t\tif ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex();\n\n\t\tif ( this.distance !== undefined ) data.object.distance = this.distance;\n\t\tif ( this.angle !== undefined ) data.object.angle = this.angle;\n\t\tif ( this.decay !== undefined ) data.object.decay = this.decay;\n\t\tif ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra;\n\n\t\tif ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON();\n\n\t\treturn data;\n\n\t}\n\n}\n\nLight.prototype.isLight = true;\n\nclass HemisphereLight extends Light {\n\n\tconstructor( skyColor, groundColor, intensity ) {\n\n\t\tsuper( skyColor, intensity );\n\n\t\tthis.type = 'HemisphereLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.groundColor = new Color( groundColor );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tLight.prototype.copy.call( this, source );\n\n\t\tthis.groundColor.copy( source.groundColor );\n\n\t\treturn this;\n\n\t}\n\n}\n\nHemisphereLight.prototype.isHemisphereLight = true;\n\nconst _projScreenMatrix$1 = /*@__PURE__*/ new Matrix4();\nconst _lightPositionWorld$1 = /*@__PURE__*/ new Vector3();\nconst _lookTarget$1 = /*@__PURE__*/ new Vector3();\n\nclass LightShadow {\n\n\tconstructor( camera ) {\n\n\t\tthis.camera = camera;\n\n\t\tthis.bias = 0;\n\t\tthis.normalBias = 0;\n\t\tthis.radius = 1;\n\t\tthis.blurSamples = 8;\n\n\t\tthis.mapSize = new Vector2( 512, 512 );\n\n\t\tthis.map = null;\n\t\tthis.mapPass = null;\n\t\tthis.matrix = new Matrix4();\n\n\t\tthis.autoUpdate = true;\n\t\tthis.needsUpdate = false;\n\n\t\tthis._frustum = new Frustum();\n\t\tthis._frameExtents = new Vector2( 1, 1 );\n\n\t\tthis._viewportCount = 1;\n\n\t\tthis._viewports = [\n\n\t\t\tnew Vector4( 0, 0, 1, 1 )\n\n\t\t];\n\n\t}\n\n\tgetViewportCount() {\n\n\t\treturn this._viewportCount;\n\n\t}\n\n\tgetFrustum() {\n\n\t\treturn this._frustum;\n\n\t}\n\n\tupdateMatrices( light ) {\n\n\t\tconst shadowCamera = this.camera;\n\t\tconst shadowMatrix = this.matrix;\n\n\t\t_lightPositionWorld$1.setFromMatrixPosition( light.matrixWorld );\n\t\tshadowCamera.position.copy( _lightPositionWorld$1 );\n\n\t\t_lookTarget$1.setFromMatrixPosition( light.target.matrixWorld );\n\t\tshadowCamera.lookAt( _lookTarget$1 );\n\t\tshadowCamera.updateMatrixWorld();\n\n\t\t_projScreenMatrix$1.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse );\n\t\tthis._frustum.setFromProjectionMatrix( _projScreenMatrix$1 );\n\n\t\tshadowMatrix.set(\n\t\t\t0.5, 0.0, 0.0, 0.5,\n\t\t\t0.0, 0.5, 0.0, 0.5,\n\t\t\t0.0, 0.0, 0.5, 0.5,\n\t\t\t0.0, 0.0, 0.0, 1.0\n\t\t);\n\n\t\tshadowMatrix.multiply( shadowCamera.projectionMatrix );\n\t\tshadowMatrix.multiply( shadowCamera.matrixWorldInverse );\n\n\t}\n\n\tgetViewport( viewportIndex ) {\n\n\t\treturn this._viewports[ viewportIndex ];\n\n\t}\n\n\tgetFrameExtents() {\n\n\t\treturn this._frameExtents;\n\n\t}\n\n\tdispose() {\n\n\t\tif ( this.map ) {\n\n\t\t\tthis.map.dispose();\n\n\t\t}\n\n\t\tif ( this.mapPass ) {\n\n\t\t\tthis.mapPass.dispose();\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.camera = source.camera.clone();\n\n\t\tthis.bias = source.bias;\n\t\tthis.radius = source.radius;\n\n\t\tthis.mapSize.copy( source.mapSize );\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst object = {};\n\n\t\tif ( this.bias !== 0 ) object.bias = this.bias;\n\t\tif ( this.normalBias !== 0 ) object.normalBias = this.normalBias;\n\t\tif ( this.radius !== 1 ) object.radius = this.radius;\n\t\tif ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray();\n\n\t\tobject.camera = this.camera.toJSON( false ).object;\n\t\tdelete object.camera.matrix;\n\n\t\treturn object;\n\n\t}\n\n}\n\nclass SpotLightShadow extends LightShadow {\n\n\tconstructor() {\n\n\t\tsuper( new PerspectiveCamera( 50, 1, 0.5, 500 ) );\n\n\t\tthis.focus = 1;\n\n\t}\n\n\tupdateMatrices( light ) {\n\n\t\tconst camera = this.camera;\n\n\t\tconst fov = RAD2DEG * 2 * light.angle * this.focus;\n\t\tconst aspect = this.mapSize.width / this.mapSize.height;\n\t\tconst far = light.distance || camera.far;\n\n\t\tif ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) {\n\n\t\t\tcamera.fov = fov;\n\t\t\tcamera.aspect = aspect;\n\t\t\tcamera.far = far;\n\t\t\tcamera.updateProjectionMatrix();\n\n\t\t}\n\n\t\tsuper.updateMatrices( light );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.focus = source.focus;\n\n\t\treturn this;\n\n\t}\n\n}\n\nSpotLightShadow.prototype.isSpotLightShadow = true;\n\nclass SpotLight extends Light {\n\n\tconstructor( color, intensity, distance = 0, angle = Math.PI / 3, penumbra = 0, decay = 1 ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.type = 'SpotLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tthis.distance = distance;\n\t\tthis.angle = angle;\n\t\tthis.penumbra = penumbra;\n\t\tthis.decay = decay; // for physically correct lights, should be 2.\n\n\t\tthis.shadow = new SpotLightShadow();\n\n\t}\n\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in candela)\n\t\t// by convention for a spotlight, luminous power (lm) = \u03C0 * luminous intensity (cd)\n\t\treturn this.intensity * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in candela) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / Math.PI;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.distance = source.distance;\n\t\tthis.angle = source.angle;\n\t\tthis.penumbra = source.penumbra;\n\t\tthis.decay = source.decay;\n\n\t\tthis.target = source.target.clone();\n\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nSpotLight.prototype.isSpotLight = true;\n\nconst _projScreenMatrix = /*@__PURE__*/ new Matrix4();\nconst _lightPositionWorld = /*@__PURE__*/ new Vector3();\nconst _lookTarget = /*@__PURE__*/ new Vector3();\n\nclass PointLightShadow extends LightShadow {\n\n\tconstructor() {\n\n\t\tsuper( new PerspectiveCamera( 90, 1, 0.5, 500 ) );\n\n\t\tthis._frameExtents = new Vector2( 4, 2 );\n\n\t\tthis._viewportCount = 6;\n\n\t\tthis._viewports = [\n\t\t\t// These viewports map a cube-map onto a 2D texture with the\n\t\t\t// following orientation:\n\t\t\t//\n\t\t\t// xzXZ\n\t\t\t// y Y\n\t\t\t//\n\t\t\t// X - Positive x direction\n\t\t\t// x - Negative x direction\n\t\t\t// Y - Positive y direction\n\t\t\t// y - Negative y direction\n\t\t\t// Z - Positive z direction\n\t\t\t// z - Negative z direction\n\n\t\t\t// positive X\n\t\t\tnew Vector4( 2, 1, 1, 1 ),\n\t\t\t// negative X\n\t\t\tnew Vector4( 0, 1, 1, 1 ),\n\t\t\t// positive Z\n\t\t\tnew Vector4( 3, 1, 1, 1 ),\n\t\t\t// negative Z\n\t\t\tnew Vector4( 1, 1, 1, 1 ),\n\t\t\t// positive Y\n\t\t\tnew Vector4( 3, 0, 1, 1 ),\n\t\t\t// negative Y\n\t\t\tnew Vector4( 1, 0, 1, 1 )\n\t\t];\n\n\t\tthis._cubeDirections = [\n\t\t\tnew Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ),\n\t\t\tnew Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 )\n\t\t];\n\n\t\tthis._cubeUps = [\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ),\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ),\tnew Vector3( 0, 0, - 1 )\n\t\t];\n\n\t}\n\n\tupdateMatrices( light, viewportIndex = 0 ) {\n\n\t\tconst camera = this.camera;\n\t\tconst shadowMatrix = this.matrix;\n\n\t\tconst far = light.distance || camera.far;\n\n\t\tif ( far !== camera.far ) {\n\n\t\t\tcamera.far = far;\n\t\t\tcamera.updateProjectionMatrix();\n\n\t\t}\n\n\t\t_lightPositionWorld.setFromMatrixPosition( light.matrixWorld );\n\t\tcamera.position.copy( _lightPositionWorld );\n\n\t\t_lookTarget.copy( camera.position );\n\t\t_lookTarget.add( this._cubeDirections[ viewportIndex ] );\n\t\tcamera.up.copy( this._cubeUps[ viewportIndex ] );\n\t\tcamera.lookAt( _lookTarget );\n\t\tcamera.updateMatrixWorld();\n\n\t\tshadowMatrix.makeTranslation( - _lightPositionWorld.x, - _lightPositionWorld.y, - _lightPositionWorld.z );\n\n\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\tthis._frustum.setFromProjectionMatrix( _projScreenMatrix );\n\n\t}\n\n}\n\nPointLightShadow.prototype.isPointLightShadow = true;\n\nclass PointLight extends Light {\n\n\tconstructor( color, intensity, distance = 0, decay = 1 ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.type = 'PointLight';\n\n\t\tthis.distance = distance;\n\t\tthis.decay = decay; // for physically correct lights, should be 2.\n\n\t\tthis.shadow = new PointLightShadow();\n\n\t}\n\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in candela)\n\t\t// for an isotropic light source, luminous power (lm) = 4 \u03C0 luminous intensity (cd)\n\t\treturn this.intensity * 4 * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in candela) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / ( 4 * Math.PI );\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.distance = source.distance;\n\t\tthis.decay = source.decay;\n\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nPointLight.prototype.isPointLight = true;\n\nclass DirectionalLightShadow extends LightShadow {\n\n\tconstructor() {\n\n\t\tsuper( new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) );\n\n\t}\n\n}\n\nDirectionalLightShadow.prototype.isDirectionalLightShadow = true;\n\nclass DirectionalLight extends Light {\n\n\tconstructor( color, intensity ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.type = 'DirectionalLight';\n\n\t\tthis.position.copy( Object3D.DefaultUp );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tthis.shadow = new DirectionalLightShadow();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.target = source.target.clone();\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nDirectionalLight.prototype.isDirectionalLight = true;\n\nclass AmbientLight extends Light {\n\n\tconstructor( color, intensity ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.type = 'AmbientLight';\n\n\t}\n\n}\n\nAmbientLight.prototype.isAmbientLight = true;\n\nclass RectAreaLight extends Light {\n\n\tconstructor( color, intensity, width = 10, height = 10 ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.type = 'RectAreaLight';\n\n\t\tthis.width = width;\n\t\tthis.height = height;\n\n\t}\n\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in nits)\n\t\treturn this.intensity * this.width * this.height * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in nits) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / ( this.width * this.height * Math.PI );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.width = source.width;\n\t\tthis.height = source.height;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.width = this.width;\n\t\tdata.object.height = this.height;\n\n\t\treturn data;\n\n\t}\n\n}\n\nRectAreaLight.prototype.isRectAreaLight = true;\n\n/**\n * Primary reference:\n * https://graphics.stanford.edu/papers/envmap/envmap.pdf\n *\n * Secondary reference:\n * https://www.ppsloan.org/publications/StupidSH36.pdf\n */\n\n// 3-band SH defined by 9 coefficients\n\nclass SphericalHarmonics3 {\n\n\tconstructor() {\n\n\t\tthis.coefficients = [];\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients.push( new Vector3() );\n\n\t\t}\n\n\t}\n\n\tset( coefficients ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].copy( coefficients[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tzero() {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].set( 0, 0, 0 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// get the radiance in the direction of the normal\n\t// target is a Vector3\n\tgetAt( normal, target ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\tconst coeff = this.coefficients;\n\n\t\t// band 0\n\t\ttarget.copy( coeff[ 0 ] ).multiplyScalar( 0.282095 );\n\n\t\t// band 1\n\t\ttarget.addScaledVector( coeff[ 1 ], 0.488603 * y );\n\t\ttarget.addScaledVector( coeff[ 2 ], 0.488603 * z );\n\t\ttarget.addScaledVector( coeff[ 3 ], 0.488603 * x );\n\n\t\t// band 2\n\t\ttarget.addScaledVector( coeff[ 4 ], 1.092548 * ( x * y ) );\n\t\ttarget.addScaledVector( coeff[ 5 ], 1.092548 * ( y * z ) );\n\t\ttarget.addScaledVector( coeff[ 6 ], 0.315392 * ( 3.0 * z * z - 1.0 ) );\n\t\ttarget.addScaledVector( coeff[ 7 ], 1.092548 * ( x * z ) );\n\t\ttarget.addScaledVector( coeff[ 8 ], 0.546274 * ( x * x - y * y ) );\n\n\t\treturn target;\n\n\t}\n\n\t// get the irradiance (radiance convolved with cosine lobe) in the direction of the normal\n\t// target is a Vector3\n\t// https://graphics.stanford.edu/papers/envmap/envmap.pdf\n\tgetIrradianceAt( normal, target ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\tconst coeff = this.coefficients;\n\n\t\t// band 0\n\t\ttarget.copy( coeff[ 0 ] ).multiplyScalar( 0.886227 ); // \u03C0 * 0.282095\n\n\t\t// band 1\n\t\ttarget.addScaledVector( coeff[ 1 ], 2.0 * 0.511664 * y ); // ( 2 * \u03C0 / 3 ) * 0.488603\n\t\ttarget.addScaledVector( coeff[ 2 ], 2.0 * 0.511664 * z );\n\t\ttarget.addScaledVector( coeff[ 3 ], 2.0 * 0.511664 * x );\n\n\t\t// band 2\n\t\ttarget.addScaledVector( coeff[ 4 ], 2.0 * 0.429043 * x * y ); // ( \u03C0 / 4 ) * 1.092548\n\t\ttarget.addScaledVector( coeff[ 5 ], 2.0 * 0.429043 * y * z );\n\t\ttarget.addScaledVector( coeff[ 6 ], 0.743125 * z * z - 0.247708 ); // ( \u03C0 / 4 ) * 0.315392 * 3\n\t\ttarget.addScaledVector( coeff[ 7 ], 2.0 * 0.429043 * x * z );\n\t\ttarget.addScaledVector( coeff[ 8 ], 0.429043 * ( x * x - y * y ) ); // ( \u03C0 / 4 ) * 0.546274\n\n\t\treturn target;\n\n\t}\n\n\tadd( sh ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].add( sh.coefficients[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\taddScaledSH( sh, s ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].addScaledVector( sh.coefficients[ i ], s );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tscale( s ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].multiplyScalar( s );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tlerp( sh, alpha ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].lerp( sh.coefficients[ i ], alpha );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tequals( sh ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tif ( ! this.coefficients[ i ].equals( sh.coefficients[ i ] ) ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tcopy( sh ) {\n\n\t\treturn this.set( sh.coefficients );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tconst coefficients = this.coefficients;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tcoefficients[ i ].fromArray( array, offset + ( i * 3 ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst coefficients = this.coefficients;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tcoefficients[ i ].toArray( array, offset + ( i * 3 ) );\n\n\t\t}\n\n\t\treturn array;\n\n\t}\n\n\t// evaluate the basis functions\n\t// shBasis is an Array[ 9 ]\n\tstatic getBasisAt( normal, shBasis ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\t// band 0\n\t\tshBasis[ 0 ] = 0.282095;\n\n\t\t// band 1\n\t\tshBasis[ 1 ] = 0.488603 * y;\n\t\tshBasis[ 2 ] = 0.488603 * z;\n\t\tshBasis[ 3 ] = 0.488603 * x;\n\n\t\t// band 2\n\t\tshBasis[ 4 ] = 1.092548 * x * y;\n\t\tshBasis[ 5 ] = 1.092548 * y * z;\n\t\tshBasis[ 6 ] = 0.315392 * ( 3 * z * z - 1 );\n\t\tshBasis[ 7 ] = 1.092548 * x * z;\n\t\tshBasis[ 8 ] = 0.546274 * ( x * x - y * y );\n\n\t}\n\n}\n\nSphericalHarmonics3.prototype.isSphericalHarmonics3 = true;\n\nclass LightProbe extends Light {\n\n\tconstructor( sh = new SphericalHarmonics3(), intensity = 1 ) {\n\n\t\tsuper( undefined, intensity );\n\n\t\tthis.sh = sh;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.sh.copy( source.sh );\n\n\t\treturn this;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tthis.intensity = json.intensity; // TODO: Move this bit to Light.fromJSON();\n\t\tthis.sh.fromArray( json.sh );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.sh = this.sh.toArray();\n\n\t\treturn data;\n\n\t}\n\n}\n\nLightProbe.prototype.isLightProbe = true;\n\nclass MaterialLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\t\tthis.textures = {};\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( scope.manager );\n\t\tloader.setPath( scope.path );\n\t\tloader.setRequestHeader( scope.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\tconst textures = this.textures;\n\n\t\tfunction getTexture( name ) {\n\n\t\t\tif ( textures[ name ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.MaterialLoader: Undefined texture', name );\n\n\t\t\t}\n\n\t\t\treturn textures[ name ];\n\n\t\t}\n\n\t\tconst material = new Materials[ json.type ]();\n\n\t\tif ( json.uuid !== undefined ) material.uuid = json.uuid;\n\t\tif ( json.name !== undefined ) material.name = json.name;\n\t\tif ( json.color !== undefined && material.color !== undefined ) material.color.setHex( json.color );\n\t\tif ( json.roughness !== undefined ) material.roughness = json.roughness;\n\t\tif ( json.metalness !== undefined ) material.metalness = json.metalness;\n\t\tif ( json.sheen !== undefined ) material.sheen = json.sheen;\n\t\tif ( json.sheenColor !== undefined ) material.sheenColor = new Color().setHex( json.sheenColor );\n\t\tif ( json.sheenRoughness !== undefined ) material.sheenRoughness = json.sheenRoughness;\n\t\tif ( json.emissive !== undefined && material.emissive !== undefined ) material.emissive.setHex( json.emissive );\n\t\tif ( json.specular !== undefined && material.specular !== undefined ) material.specular.setHex( json.specular );\n\t\tif ( json.specularIntensity !== undefined ) material.specularIntensity = json.specularIntensity;\n\t\tif ( json.specularColor !== undefined && material.specularColor !== undefined ) material.specularColor.setHex( json.specularColor );\n\t\tif ( json.shininess !== undefined ) material.shininess = json.shininess;\n\t\tif ( json.clearcoat !== undefined ) material.clearcoat = json.clearcoat;\n\t\tif ( json.clearcoatRoughness !== undefined ) material.clearcoatRoughness = json.clearcoatRoughness;\n\t\tif ( json.transmission !== undefined ) material.transmission = json.transmission;\n\t\tif ( json.thickness !== undefined ) material.thickness = json.thickness;\n\t\tif ( json.attenuationDistance !== undefined ) material.attenuationDistance = json.attenuationDistance;\n\t\tif ( json.attenuationColor !== undefined && material.attenuationColor !== undefined ) material.attenuationColor.setHex( json.attenuationColor );\n\t\tif ( json.fog !== undefined ) material.fog = json.fog;\n\t\tif ( json.flatShading !== undefined ) material.flatShading = json.flatShading;\n\t\tif ( json.blending !== undefined ) material.blending = json.blending;\n\t\tif ( json.combine !== undefined ) material.combine = json.combine;\n\t\tif ( json.side !== undefined ) material.side = json.side;\n\t\tif ( json.shadowSide !== undefined ) material.shadowSide = json.shadowSide;\n\t\tif ( json.opacity !== undefined ) material.opacity = json.opacity;\n\t\tif ( json.format !== undefined ) material.format = json.format;\n\t\tif ( json.transparent !== undefined ) material.transparent = json.transparent;\n\t\tif ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest;\n\t\tif ( json.depthTest !== undefined ) material.depthTest = json.depthTest;\n\t\tif ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite;\n\t\tif ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite;\n\n\t\tif ( json.stencilWrite !== undefined ) material.stencilWrite = json.stencilWrite;\n\t\tif ( json.stencilWriteMask !== undefined ) material.stencilWriteMask = json.stencilWriteMask;\n\t\tif ( json.stencilFunc !== undefined ) material.stencilFunc = json.stencilFunc;\n\t\tif ( json.stencilRef !== undefined ) material.stencilRef = json.stencilRef;\n\t\tif ( json.stencilFuncMask !== undefined ) material.stencilFuncMask = json.stencilFuncMask;\n\t\tif ( json.stencilFail !== undefined ) material.stencilFail = json.stencilFail;\n\t\tif ( json.stencilZFail !== undefined ) material.stencilZFail = json.stencilZFail;\n\t\tif ( json.stencilZPass !== undefined ) material.stencilZPass = json.stencilZPass;\n\n\t\tif ( json.wireframe !== undefined ) material.wireframe = json.wireframe;\n\t\tif ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth;\n\t\tif ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap;\n\t\tif ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin;\n\n\t\tif ( json.rotation !== undefined ) material.rotation = json.rotation;\n\n\t\tif ( json.linewidth !== 1 ) material.linewidth = json.linewidth;\n\t\tif ( json.dashSize !== undefined ) material.dashSize = json.dashSize;\n\t\tif ( json.gapSize !== undefined ) material.gapSize = json.gapSize;\n\t\tif ( json.scale !== undefined ) material.scale = json.scale;\n\n\t\tif ( json.polygonOffset !== undefined ) material.polygonOffset = json.polygonOffset;\n\t\tif ( json.polygonOffsetFactor !== undefined ) material.polygonOffsetFactor = json.polygonOffsetFactor;\n\t\tif ( json.polygonOffsetUnits !== undefined ) material.polygonOffsetUnits = json.polygonOffsetUnits;\n\n\t\tif ( json.dithering !== undefined ) material.dithering = json.dithering;\n\n\t\tif ( json.alphaToCoverage !== undefined ) material.alphaToCoverage = json.alphaToCoverage;\n\t\tif ( json.premultipliedAlpha !== undefined ) material.premultipliedAlpha = json.premultipliedAlpha;\n\n\t\tif ( json.visible !== undefined ) material.visible = json.visible;\n\n\t\tif ( json.toneMapped !== undefined ) material.toneMapped = json.toneMapped;\n\n\t\tif ( json.userData !== undefined ) material.userData = json.userData;\n\n\t\tif ( json.vertexColors !== undefined ) {\n\n\t\t\tif ( typeof json.vertexColors === 'number' ) {\n\n\t\t\t\tmaterial.vertexColors = ( json.vertexColors > 0 ) ? true : false;\n\n\t\t\t} else {\n\n\t\t\t\tmaterial.vertexColors = json.vertexColors;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Shader Material\n\n\t\tif ( json.uniforms !== undefined ) {\n\n\t\t\tfor ( const name in json.uniforms ) {\n\n\t\t\t\tconst uniform = json.uniforms[ name ];\n\n\t\t\t\tmaterial.uniforms[ name ] = {};\n\n\t\t\t\tswitch ( uniform.type ) {\n\n\t\t\t\t\tcase 't':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = getTexture( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'c':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Color().setHex( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v2':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector2().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v3':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector3().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v4':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector4().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'm3':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Matrix3().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'm4':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Matrix4().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = uniform.value;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json.defines !== undefined ) material.defines = json.defines;\n\t\tif ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader;\n\t\tif ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader;\n\n\t\tif ( json.extensions !== undefined ) {\n\n\t\t\tfor ( const key in json.extensions ) {\n\n\t\t\t\tmaterial.extensions[ key ] = json.extensions[ key ];\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Deprecated\n\n\t\tif ( json.shading !== undefined ) material.flatShading = json.shading === 1; // THREE.FlatShading\n\n\t\t// for PointsMaterial\n\n\t\tif ( json.size !== undefined ) material.size = json.size;\n\t\tif ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation;\n\n\t\t// maps\n\n\t\tif ( json.map !== undefined ) material.map = getTexture( json.map );\n\t\tif ( json.matcap !== undefined ) material.matcap = getTexture( json.matcap );\n\n\t\tif ( json.alphaMap !== undefined ) material.alphaMap = getTexture( json.alphaMap );\n\n\t\tif ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap );\n\t\tif ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale;\n\n\t\tif ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap );\n\t\tif ( json.normalMapType !== undefined ) material.normalMapType = json.normalMapType;\n\t\tif ( json.normalScale !== undefined ) {\n\n\t\t\tlet normalScale = json.normalScale;\n\n\t\t\tif ( Array.isArray( normalScale ) === false ) {\n\n\t\t\t\t// Blender exporter used to export a scalar. See #7459\n\n\t\t\t\tnormalScale = [ normalScale, normalScale ];\n\n\t\t\t}\n\n\t\t\tmaterial.normalScale = new Vector2().fromArray( normalScale );\n\n\t\t}\n\n\t\tif ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap );\n\t\tif ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale;\n\t\tif ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias;\n\n\t\tif ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap );\n\t\tif ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap );\n\n\t\tif ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap );\n\t\tif ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity;\n\n\t\tif ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap );\n\t\tif ( json.specularIntensityMap !== undefined ) material.specularIntensityMap = getTexture( json.specularIntensityMap );\n\t\tif ( json.specularColorMap !== undefined ) material.specularColorMap = getTexture( json.specularColorMap );\n\n\t\tif ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap );\n\t\tif ( json.envMapIntensity !== undefined ) material.envMapIntensity = json.envMapIntensity;\n\n\t\tif ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity;\n\t\tif ( json.refractionRatio !== undefined ) material.refractionRatio = json.refractionRatio;\n\n\t\tif ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap );\n\t\tif ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity;\n\n\t\tif ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap );\n\t\tif ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity;\n\n\t\tif ( json.gradientMap !== undefined ) material.gradientMap = getTexture( json.gradientMap );\n\n\t\tif ( json.clearcoatMap !== undefined ) material.clearcoatMap = getTexture( json.clearcoatMap );\n\t\tif ( json.clearcoatRoughnessMap !== undefined ) material.clearcoatRoughnessMap = getTexture( json.clearcoatRoughnessMap );\n\t\tif ( json.clearcoatNormalMap !== undefined ) material.clearcoatNormalMap = getTexture( json.clearcoatNormalMap );\n\t\tif ( json.clearcoatNormalScale !== undefined ) material.clearcoatNormalScale = new Vector2().fromArray( json.clearcoatNormalScale );\n\n\t\tif ( json.transmissionMap !== undefined ) material.transmissionMap = getTexture( json.transmissionMap );\n\t\tif ( json.thicknessMap !== undefined ) material.thicknessMap = getTexture( json.thicknessMap );\n\n\t\tif ( json.sheenColorMap !== undefined ) material.sheenColorMap = getTexture( json.sheenColorMap );\n\t\tif ( json.sheenRoughnessMap !== undefined ) material.sheenRoughnessMap = getTexture( json.sheenRoughnessMap );\n\n\t\treturn material;\n\n\t}\n\n\tsetTextures( value ) {\n\n\t\tthis.textures = value;\n\t\treturn this;\n\n\t}\n\n}\n\nclass LoaderUtils {\n\n\tstatic decodeText( array ) {\n\n\t\tif ( typeof TextDecoder !== 'undefined' ) {\n\n\t\t\treturn new TextDecoder().decode( array );\n\n\t\t}\n\n\t\t// Avoid the String.fromCharCode.apply(null, array) shortcut, which\n\t\t// throws a \"maximum call stack size exceeded\" error for large arrays.\n\n\t\tlet s = '';\n\n\t\tfor ( let i = 0, il = array.length; i < il; i ++ ) {\n\n\t\t\t// Implicitly assumes little-endian.\n\t\t\ts += String.fromCharCode( array[ i ] );\n\n\t\t}\n\n\t\ttry {\n\n\t\t\t// merges multi-byte utf-8 characters.\n\n\t\t\treturn decodeURIComponent( escape( s ) );\n\n\t\t} catch ( e ) { // see #16358\n\n\t\t\treturn s;\n\n\t\t}\n\n\t}\n\n\tstatic extractUrlBase( url ) {\n\n\t\tconst index = url.lastIndexOf( '/' );\n\n\t\tif ( index === - 1 ) return './';\n\n\t\treturn url.substr( 0, index + 1 );\n\n\t}\n\n\tstatic resolveURL( url, path ) {\n\n\t\t// Invalid URL\n\t\tif ( typeof url !== 'string' || url === '' ) return '';\n\n\t\t// Host Relative URL\n\t\tif ( /^https?:\\/\\//i.test( path ) && /^\\//.test( url ) ) {\n\n\t\t\tpath = path.replace( /(^https?:\\/\\/[^\\/]+).*/i, '$1' );\n\n\t\t}\n\n\t\t// Absolute URL http://,https://,//\n\t\tif ( /^(https?:)?\\/\\//i.test( url ) ) return url;\n\n\t\t// Data URI\n\t\tif ( /^data:.*,.*$/i.test( url ) ) return url;\n\n\t\t// Blob URL\n\t\tif ( /^blob:.*$/i.test( url ) ) return url;\n\n\t\t// Relative URL\n\t\treturn path + url;\n\n\t}\n\n}\n\nclass InstancedBufferGeometry extends BufferGeometry {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'InstancedBufferGeometry';\n\t\tthis.instanceCount = Infinity;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.instanceCount = source.instanceCount;\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON( this );\n\n\t\tdata.instanceCount = this.instanceCount;\n\n\t\tdata.isInstancedBufferGeometry = true;\n\n\t\treturn data;\n\n\t}\n\n}\n\nInstancedBufferGeometry.prototype.isInstancedBufferGeometry = true;\n\nclass BufferGeometryLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( scope.manager );\n\t\tloader.setPath( scope.path );\n\t\tloader.setRequestHeader( scope.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\tconst interleavedBufferMap = {};\n\t\tconst arrayBufferMap = {};\n\n\t\tfunction getInterleavedBuffer( json, uuid ) {\n\n\t\t\tif ( interleavedBufferMap[ uuid ] !== undefined ) return interleavedBufferMap[ uuid ];\n\n\t\t\tconst interleavedBuffers = json.interleavedBuffers;\n\t\t\tconst interleavedBuffer = interleavedBuffers[ uuid ];\n\n\t\t\tconst buffer = getArrayBuffer( json, interleavedBuffer.buffer );\n\n\t\t\tconst array = getTypedArray( interleavedBuffer.type, buffer );\n\t\t\tconst ib = new InterleavedBuffer( array, interleavedBuffer.stride );\n\t\t\tib.uuid = interleavedBuffer.uuid;\n\n\t\t\tinterleavedBufferMap[ uuid ] = ib;\n\n\t\t\treturn ib;\n\n\t\t}\n\n\t\tfunction getArrayBuffer( json, uuid ) {\n\n\t\t\tif ( arrayBufferMap[ uuid ] !== undefined ) return arrayBufferMap[ uuid ];\n\n\t\t\tconst arrayBuffers = json.arrayBuffers;\n\t\t\tconst arrayBuffer = arrayBuffers[ uuid ];\n\n\t\t\tconst ab = new Uint32Array( arrayBuffer ).buffer;\n\n\t\t\tarrayBufferMap[ uuid ] = ab;\n\n\t\t\treturn ab;\n\n\t\t}\n\n\t\tconst geometry = json.isInstancedBufferGeometry ? new InstancedBufferGeometry() : new BufferGeometry();\n\n\t\tconst index = json.data.index;\n\n\t\tif ( index !== undefined ) {\n\n\t\t\tconst typedArray = getTypedArray( index.type, index.array );\n\t\t\tgeometry.setIndex( new BufferAttribute( typedArray, 1 ) );\n\n\t\t}\n\n\t\tconst attributes = json.data.attributes;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tconst attribute = attributes[ key ];\n\t\t\tlet bufferAttribute;\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\tconst interleavedBuffer = getInterleavedBuffer( json.data, attribute.data );\n\t\t\t\tbufferAttribute = new InterleavedBufferAttribute( interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized );\n\n\t\t\t} else {\n\n\t\t\t\tconst typedArray = getTypedArray( attribute.type, attribute.array );\n\t\t\t\tconst bufferAttributeConstr = attribute.isInstancedBufferAttribute ? InstancedBufferAttribute : BufferAttribute;\n\t\t\t\tbufferAttribute = new bufferAttributeConstr( typedArray, attribute.itemSize, attribute.normalized );\n\n\t\t\t}\n\n\t\t\tif ( attribute.name !== undefined ) bufferAttribute.name = attribute.name;\n\t\t\tif ( attribute.usage !== undefined ) bufferAttribute.setUsage( attribute.usage );\n\n\t\t\tif ( attribute.updateRange !== undefined ) {\n\n\t\t\t\tbufferAttribute.updateRange.offset = attribute.updateRange.offset;\n\t\t\t\tbufferAttribute.updateRange.count = attribute.updateRange.count;\n\n\t\t\t}\n\n\t\t\tgeometry.setAttribute( key, bufferAttribute );\n\n\t\t}\n\n\t\tconst morphAttributes = json.data.morphAttributes;\n\n\t\tif ( morphAttributes ) {\n\n\t\t\tfor ( const key in morphAttributes ) {\n\n\t\t\t\tconst attributeArray = morphAttributes[ key ];\n\n\t\t\t\tconst array = [];\n\n\t\t\t\tfor ( let i = 0, il = attributeArray.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst attribute = attributeArray[ i ];\n\t\t\t\t\tlet bufferAttribute;\n\n\t\t\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\tconst interleavedBuffer = getInterleavedBuffer( json.data, attribute.data );\n\t\t\t\t\t\tbufferAttribute = new InterleavedBufferAttribute( interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst typedArray = getTypedArray( attribute.type, attribute.array );\n\t\t\t\t\t\tbufferAttribute = new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( attribute.name !== undefined ) bufferAttribute.name = attribute.name;\n\t\t\t\t\tarray.push( bufferAttribute );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.morphAttributes[ key ] = array;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst morphTargetsRelative = json.data.morphTargetsRelative;\n\n\t\tif ( morphTargetsRelative ) {\n\n\t\t\tgeometry.morphTargetsRelative = true;\n\n\t\t}\n\n\t\tconst groups = json.data.groups || json.data.drawcalls || json.data.offsets;\n\n\t\tif ( groups !== undefined ) {\n\n\t\t\tfor ( let i = 0, n = groups.length; i !== n; ++ i ) {\n\n\t\t\t\tconst group = groups[ i ];\n\n\t\t\t\tgeometry.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst boundingSphere = json.data.boundingSphere;\n\n\t\tif ( boundingSphere !== undefined ) {\n\n\t\t\tconst center = new Vector3();\n\n\t\t\tif ( boundingSphere.center !== undefined ) {\n\n\t\t\t\tcenter.fromArray( boundingSphere.center );\n\n\t\t\t}\n\n\t\t\tgeometry.boundingSphere = new Sphere( center, boundingSphere.radius );\n\n\t\t}\n\n\t\tif ( json.name ) geometry.name = json.name;\n\t\tif ( json.userData ) geometry.userData = json.userData;\n\n\t\treturn geometry;\n\n\t}\n\n}\n\nclass ObjectLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path;\n\t\tthis.resourcePath = this.resourcePath || path;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\tlet json = null;\n\n\t\t\ttry {\n\n\t\t\t\tjson = JSON.parse( text );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tif ( onError !== undefined ) onError( error );\n\n\t\t\t\tconsole.error( 'THREE:ObjectLoader: Can\\'t parse ' + url + '.', error.message );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tconst metadata = json.metadata;\n\n\t\t\tif ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) {\n\n\t\t\t\tconsole.error( 'THREE.ObjectLoader: Can\\'t load ' + url );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tscope.parse( json, onLoad );\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tasync loadAsync( url, onProgress ) {\n\n\t\tconst scope = this;\n\n\t\tconst path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path;\n\t\tthis.resourcePath = this.resourcePath || path;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\n\t\tconst text = await loader.loadAsync( url, onProgress );\n\n\t\tconst json = JSON.parse( text );\n\n\t\tconst metadata = json.metadata;\n\n\t\tif ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) {\n\n\t\t\tthrow new Error( 'THREE.ObjectLoader: Can\\'t load ' + url );\n\n\t\t}\n\n\t\treturn await scope.parseAsync( json );\n\n\t}\n\n\tparse( json, onLoad ) {\n\n\t\tconst animations = this.parseAnimations( json.animations );\n\t\tconst shapes = this.parseShapes( json.shapes );\n\t\tconst geometries = this.parseGeometries( json.geometries, shapes );\n\n\t\tconst images = this.parseImages( json.images, function () {\n\n\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t} );\n\n\t\tconst textures = this.parseTextures( json.textures, images );\n\t\tconst materials = this.parseMaterials( json.materials, textures );\n\n\t\tconst object = this.parseObject( json.object, geometries, materials, textures, animations );\n\t\tconst skeletons = this.parseSkeletons( json.skeletons, object );\n\n\t\tthis.bindSkeletons( object, skeletons );\n\n\t\t//\n\n\t\tif ( onLoad !== undefined ) {\n\n\t\t\tlet hasImages = false;\n\n\t\t\tfor ( const uuid in images ) {\n\n\t\t\t\tif ( images[ uuid ] instanceof HTMLImageElement ) {\n\n\t\t\t\t\thasImages = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( hasImages === false ) onLoad( object );\n\n\t\t}\n\n\t\treturn object;\n\n\t}\n\n\tasync parseAsync( json ) {\n\n\t\tconst animations = this.parseAnimations( json.animations );\n\t\tconst shapes = this.parseShapes( json.shapes );\n\t\tconst geometries = this.parseGeometries( json.geometries, shapes );\n\n\t\tconst images = await this.parseImagesAsync( json.images );\n\n\t\tconst textures = this.parseTextures( json.textures, images );\n\t\tconst materials = this.parseMaterials( json.materials, textures );\n\n\t\tconst object = this.parseObject( json.object, geometries, materials, textures, animations );\n\t\tconst skeletons = this.parseSkeletons( json.skeletons, object );\n\n\t\tthis.bindSkeletons( object, skeletons );\n\n\t\treturn object;\n\n\t}\n\n\tparseShapes( json ) {\n\n\t\tconst shapes = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst shape = new Shape().fromJSON( json[ i ] );\n\n\t\t\t\tshapes[ shape.uuid ] = shape;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn shapes;\n\n\t}\n\n\tparseSkeletons( json, object ) {\n\n\t\tconst skeletons = {};\n\t\tconst bones = {};\n\n\t\t// generate bone lookup table\n\n\t\tobject.traverse( function ( child ) {\n\n\t\t\tif ( child.isBone ) bones[ child.uuid ] = child;\n\n\t\t} );\n\n\t\t// create skeletons\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst skeleton = new Skeleton().fromJSON( json[ i ], bones );\n\n\t\t\t\tskeletons[ skeleton.uuid ] = skeleton;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn skeletons;\n\n\t}\n\n\tparseGeometries( json, shapes ) {\n\n\t\tconst geometries = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tconst bufferGeometryLoader = new BufferGeometryLoader();\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tlet geometry;\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\tcase 'BufferGeometry':\n\t\t\t\t\tcase 'InstancedBufferGeometry':\n\n\t\t\t\t\t\tgeometry = bufferGeometryLoader.parse( data );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'Geometry':\n\n\t\t\t\t\t\tconsole.error( 'THREE.ObjectLoader: The legacy Geometry type is no longer supported.' );\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tif ( data.type in Geometries ) {\n\n\t\t\t\t\t\t\tgeometry = Geometries[ data.type ].fromJSON( data, shapes );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tconsole.warn( `THREE.ObjectLoader: Unsupported geometry type \"${ data.type }\"` );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) geometry.name = data.name;\n\t\t\t\tif ( geometry.isBufferGeometry === true && data.userData !== undefined ) geometry.userData = data.userData;\n\n\t\t\t\tgeometries[ data.uuid ] = geometry;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn geometries;\n\n\t}\n\n\tparseMaterials( json, textures ) {\n\n\t\tconst cache = {}; // MultiMaterial\n\t\tconst materials = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tconst loader = new MaterialLoader();\n\t\t\tloader.setTextures( textures );\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tif ( data.type === 'MultiMaterial' ) {\n\n\t\t\t\t\t// Deprecated\n\n\t\t\t\t\tconst array = [];\n\n\t\t\t\t\tfor ( let j = 0; j < data.materials.length; j ++ ) {\n\n\t\t\t\t\t\tconst material = data.materials[ j ];\n\n\t\t\t\t\t\tif ( cache[ material.uuid ] === undefined ) {\n\n\t\t\t\t\t\t\tcache[ material.uuid ] = loader.parse( material );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tarray.push( cache[ material.uuid ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tmaterials[ data.uuid ] = array;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( cache[ data.uuid ] === undefined ) {\n\n\t\t\t\t\t\tcache[ data.uuid ] = loader.parse( data );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tmaterials[ data.uuid ] = cache[ data.uuid ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn materials;\n\n\t}\n\n\tparseAnimations( json ) {\n\n\t\tconst animations = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0; i < json.length; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tconst clip = AnimationClip.parse( data );\n\n\t\t\t\tanimations[ clip.uuid ] = clip;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn animations;\n\n\t}\n\n\tparseImages( json, onLoad ) {\n\n\t\tconst scope = this;\n\t\tconst images = {};\n\n\t\tlet loader;\n\n\t\tfunction loadImage( url ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn loader.load( url, function () {\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, undefined, function () {\n\n\t\t\t\tscope.manager.itemError( url );\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t} );\n\n\t\t}\n\n\t\tfunction deserializeImage( image ) {\n\n\t\t\tif ( typeof image === 'string' ) {\n\n\t\t\t\tconst url = image;\n\n\t\t\t\tconst path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( url ) ? url : scope.resourcePath + url;\n\n\t\t\t\treturn loadImage( path );\n\n\t\t\t} else {\n\n\t\t\t\tif ( image.data ) {\n\n\t\t\t\t\treturn {\n\t\t\t\t\t\tdata: getTypedArray( image.type, image.data ),\n\t\t\t\t\t\twidth: image.width,\n\t\t\t\t\t\theight: image.height\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\tconst manager = new LoadingManager( onLoad );\n\n\t\t\tloader = new ImageLoader( manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tfor ( let i = 0, il = json.length; i < il; i ++ ) {\n\n\t\t\t\tconst image = json[ i ];\n\t\t\t\tconst url = image.url;\n\n\t\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\t\t// load array of images e.g CubeTexture\n\n\t\t\t\t\timages[ image.uuid ] = [];\n\n\t\t\t\t\tfor ( let j = 0, jl = url.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tconst currentUrl = url[ j ];\n\n\t\t\t\t\t\tconst deserializedImage = deserializeImage( currentUrl );\n\n\t\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\t\tif ( deserializedImage instanceof HTMLImageElement ) {\n\n\t\t\t\t\t\t\t\timages[ image.uuid ].push( deserializedImage );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// special case: handle array of data textures for cube textures\n\n\t\t\t\t\t\t\t\timages[ image.uuid ].push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// load single image\n\n\t\t\t\t\tconst deserializedImage = deserializeImage( image.url );\n\n\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\timages[ image.uuid ] = deserializedImage;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn images;\n\n\t}\n\n\tasync parseImagesAsync( json ) {\n\n\t\tconst scope = this;\n\t\tconst images = {};\n\n\t\tlet loader;\n\n\t\tasync function deserializeImage( image ) {\n\n\t\t\tif ( typeof image === 'string' ) {\n\n\t\t\t\tconst url = image;\n\n\t\t\t\tconst path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( url ) ? url : scope.resourcePath + url;\n\n\t\t\t\treturn await loader.loadAsync( path );\n\n\t\t\t} else {\n\n\t\t\t\tif ( image.data ) {\n\n\t\t\t\t\treturn {\n\t\t\t\t\t\tdata: getTypedArray( image.type, image.data ),\n\t\t\t\t\t\twidth: image.width,\n\t\t\t\t\t\theight: image.height\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\tloader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tfor ( let i = 0, il = json.length; i < il; i ++ ) {\n\n\t\t\t\tconst image = json[ i ];\n\t\t\t\tconst url = image.url;\n\n\t\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\t\t// load array of images e.g CubeTexture\n\n\t\t\t\t\timages[ image.uuid ] = [];\n\n\t\t\t\t\tfor ( let j = 0, jl = url.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tconst currentUrl = url[ j ];\n\n\t\t\t\t\t\tconst deserializedImage = await deserializeImage( currentUrl );\n\n\t\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\t\tif ( deserializedImage instanceof HTMLImageElement ) {\n\n\t\t\t\t\t\t\t\timages[ image.uuid ].push( deserializedImage );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// special case: handle array of data textures for cube textures\n\n\t\t\t\t\t\t\t\timages[ image.uuid ].push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// load single image\n\n\t\t\t\t\tconst deserializedImage = await deserializeImage( image.url );\n\n\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\timages[ image.uuid ] = deserializedImage;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn images;\n\n\t}\n\n\tparseTextures( json, images ) {\n\n\t\tfunction parseConstant( value, type ) {\n\n\t\t\tif ( typeof value === 'number' ) return value;\n\n\t\t\tconsole.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value );\n\n\t\t\treturn type[ value ];\n\n\t\t}\n\n\t\tconst textures = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tif ( data.image === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: No \"image\" specified for', data.uuid );\n\n\t\t\t\t}\n\n\t\t\t\tif ( images[ data.image ] === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined image', data.image );\n\n\t\t\t\t}\n\n\t\t\t\tlet texture;\n\t\t\t\tconst image = images[ data.image ];\n\n\t\t\t\tif ( Array.isArray( image ) ) {\n\n\t\t\t\t\ttexture = new CubeTexture( image );\n\n\t\t\t\t\tif ( image.length === 6 ) texture.needsUpdate = true;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( image && image.data ) {\n\n\t\t\t\t\t\ttexture = new DataTexture( image.data, image.width, image.height );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttexture = new Texture( image );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( image ) texture.needsUpdate = true; // textures can have undefined image data\n\n\t\t\t\t}\n\n\t\t\t\ttexture.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) texture.name = data.name;\n\n\t\t\t\tif ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TEXTURE_MAPPING );\n\n\t\t\t\tif ( data.offset !== undefined ) texture.offset.fromArray( data.offset );\n\t\t\t\tif ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat );\n\t\t\t\tif ( data.center !== undefined ) texture.center.fromArray( data.center );\n\t\t\t\tif ( data.rotation !== undefined ) texture.rotation = data.rotation;\n\n\t\t\t\tif ( data.wrap !== undefined ) {\n\n\t\t\t\t\ttexture.wrapS = parseConstant( data.wrap[ 0 ], TEXTURE_WRAPPING );\n\t\t\t\t\ttexture.wrapT = parseConstant( data.wrap[ 1 ], TEXTURE_WRAPPING );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.format !== undefined ) texture.format = data.format;\n\t\t\t\tif ( data.type !== undefined ) texture.type = data.type;\n\t\t\t\tif ( data.encoding !== undefined ) texture.encoding = data.encoding;\n\n\t\t\t\tif ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TEXTURE_FILTER );\n\t\t\t\tif ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TEXTURE_FILTER );\n\t\t\t\tif ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy;\n\n\t\t\t\tif ( data.flipY !== undefined ) texture.flipY = data.flipY;\n\n\t\t\t\tif ( data.premultiplyAlpha !== undefined ) texture.premultiplyAlpha = data.premultiplyAlpha;\n\t\t\t\tif ( data.unpackAlignment !== undefined ) texture.unpackAlignment = data.unpackAlignment;\n\n\t\t\t\tif ( data.userData !== undefined ) texture.userData = data.userData;\n\n\t\t\t\ttextures[ data.uuid ] = texture;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn textures;\n\n\t}\n\n\tparseObject( data, geometries, materials, textures, animations ) {\n\n\t\tlet object;\n\n\t\tfunction getGeometry( name ) {\n\n\t\t\tif ( geometries[ name ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined geometry', name );\n\n\t\t\t}\n\n\t\t\treturn geometries[ name ];\n\n\t\t}\n\n\t\tfunction getMaterial( name ) {\n\n\t\t\tif ( name === undefined ) return undefined;\n\n\t\t\tif ( Array.isArray( name ) ) {\n\n\t\t\t\tconst array = [];\n\n\t\t\t\tfor ( let i = 0, l = name.length; i < l; i ++ ) {\n\n\t\t\t\t\tconst uuid = name[ i ];\n\n\t\t\t\t\tif ( materials[ uuid ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined material', uuid );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tarray.push( materials[ uuid ] );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t}\n\n\t\t\tif ( materials[ name ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined material', name );\n\n\t\t\t}\n\n\t\t\treturn materials[ name ];\n\n\t\t}\n\n\t\tfunction getTexture( uuid ) {\n\n\t\t\tif ( textures[ uuid ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined texture', uuid );\n\n\t\t\t}\n\n\t\t\treturn textures[ uuid ];\n\n\t\t}\n\n\t\tlet geometry, material;\n\n\t\tswitch ( data.type ) {\n\n\t\t\tcase 'Scene':\n\n\t\t\t\tobject = new Scene();\n\n\t\t\t\tif ( data.background !== undefined ) {\n\n\t\t\t\t\tif ( Number.isInteger( data.background ) ) {\n\n\t\t\t\t\t\tobject.background = new Color( data.background );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tobject.background = getTexture( data.background );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.environment !== undefined ) {\n\n\t\t\t\t\tobject.environment = getTexture( data.environment );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.fog !== undefined ) {\n\n\t\t\t\t\tif ( data.fog.type === 'Fog' ) {\n\n\t\t\t\t\t\tobject.fog = new Fog( data.fog.color, data.fog.near, data.fog.far );\n\n\t\t\t\t\t} else if ( data.fog.type === 'FogExp2' ) {\n\n\t\t\t\t\t\tobject.fog = new FogExp2( data.fog.color, data.fog.density );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PerspectiveCamera':\n\n\t\t\t\tobject = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far );\n\n\t\t\t\tif ( data.focus !== undefined ) object.focus = data.focus;\n\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\tif ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge;\n\t\t\t\tif ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset;\n\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'OrthographicCamera':\n\n\t\t\t\tobject = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far );\n\n\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'AmbientLight':\n\n\t\t\t\tobject = new AmbientLight( data.color, data.intensity );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'DirectionalLight':\n\n\t\t\t\tobject = new DirectionalLight( data.color, data.intensity );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PointLight':\n\n\t\t\t\tobject = new PointLight( data.color, data.intensity, data.distance, data.decay );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'RectAreaLight':\n\n\t\t\t\tobject = new RectAreaLight( data.color, data.intensity, data.width, data.height );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'SpotLight':\n\n\t\t\t\tobject = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'HemisphereLight':\n\n\t\t\t\tobject = new HemisphereLight( data.color, data.groundColor, data.intensity );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LightProbe':\n\n\t\t\t\tobject = new LightProbe().fromJSON( data );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'SkinnedMesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t \tmaterial = getMaterial( data.material );\n\n\t\t\t\tobject = new SkinnedMesh( geometry, material );\n\n\t\t\t\tif ( data.bindMode !== undefined ) object.bindMode = data.bindMode;\n\t\t\t\tif ( data.bindMatrix !== undefined ) object.bindMatrix.fromArray( data.bindMatrix );\n\t\t\t\tif ( data.skeleton !== undefined ) object.skeleton = data.skeleton;\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Mesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t\tmaterial = getMaterial( data.material );\n\n\t\t\t\tobject = new Mesh( geometry, material );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'InstancedMesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t\tmaterial = getMaterial( data.material );\n\t\t\t\tconst count = data.count;\n\t\t\t\tconst instanceMatrix = data.instanceMatrix;\n\t\t\t\tconst instanceColor = data.instanceColor;\n\n\t\t\t\tobject = new InstancedMesh( geometry, material, count );\n\t\t\t\tobject.instanceMatrix = new InstancedBufferAttribute( new Float32Array( instanceMatrix.array ), 16 );\n\t\t\t\tif ( instanceColor !== undefined ) object.instanceColor = new InstancedBufferAttribute( new Float32Array( instanceColor.array ), instanceColor.itemSize );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LOD':\n\n\t\t\t\tobject = new LOD();\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Line':\n\n\t\t\t\tobject = new Line( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LineLoop':\n\n\t\t\t\tobject = new LineLoop( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LineSegments':\n\n\t\t\t\tobject = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PointCloud':\n\t\t\tcase 'Points':\n\n\t\t\t\tobject = new Points( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Sprite':\n\n\t\t\t\tobject = new Sprite( getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Group':\n\n\t\t\t\tobject = new Group();\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Bone':\n\n\t\t\t\tobject = new Bone();\n\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\n\t\t\t\tobject = new Object3D();\n\n\t\t}\n\n\t\tobject.uuid = data.uuid;\n\n\t\tif ( data.name !== undefined ) object.name = data.name;\n\n\t\tif ( data.matrix !== undefined ) {\n\n\t\t\tobject.matrix.fromArray( data.matrix );\n\n\t\t\tif ( data.matrixAutoUpdate !== undefined ) object.matrixAutoUpdate = data.matrixAutoUpdate;\n\t\t\tif ( object.matrixAutoUpdate ) object.matrix.decompose( object.position, object.quaternion, object.scale );\n\n\t\t} else {\n\n\t\t\tif ( data.position !== undefined ) object.position.fromArray( data.position );\n\t\t\tif ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation );\n\t\t\tif ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion );\n\t\t\tif ( data.scale !== undefined ) object.scale.fromArray( data.scale );\n\n\t\t}\n\n\t\tif ( data.castShadow !== undefined ) object.castShadow = data.castShadow;\n\t\tif ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow;\n\n\t\tif ( data.shadow ) {\n\n\t\t\tif ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias;\n\t\t\tif ( data.shadow.normalBias !== undefined ) object.shadow.normalBias = data.shadow.normalBias;\n\t\t\tif ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius;\n\t\t\tif ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize );\n\t\t\tif ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera );\n\n\t\t}\n\n\t\tif ( data.visible !== undefined ) object.visible = data.visible;\n\t\tif ( data.frustumCulled !== undefined ) object.frustumCulled = data.frustumCulled;\n\t\tif ( data.renderOrder !== undefined ) object.renderOrder = data.renderOrder;\n\t\tif ( data.userData !== undefined ) object.userData = data.userData;\n\t\tif ( data.layers !== undefined ) object.layers.mask = data.layers;\n\n\t\tif ( data.children !== undefined ) {\n\n\t\t\tconst children = data.children;\n\n\t\t\tfor ( let i = 0; i < children.length; i ++ ) {\n\n\t\t\t\tobject.add( this.parseObject( children[ i ], geometries, materials, textures, animations ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( data.animations !== undefined ) {\n\n\t\t\tconst objectAnimations = data.animations;\n\n\t\t\tfor ( let i = 0; i < objectAnimations.length; i ++ ) {\n\n\t\t\t\tconst uuid = objectAnimations[ i ];\n\n\t\t\t\tobject.animations.push( animations[ uuid ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( data.type === 'LOD' ) {\n\n\t\t\tif ( data.autoUpdate !== undefined ) object.autoUpdate = data.autoUpdate;\n\n\t\t\tconst levels = data.levels;\n\n\t\t\tfor ( let l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\tconst level = levels[ l ];\n\t\t\t\tconst child = object.getObjectByProperty( 'uuid', level.object );\n\n\t\t\t\tif ( child !== undefined ) {\n\n\t\t\t\t\tobject.addLevel( child, level.distance );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn object;\n\n\t}\n\n\tbindSkeletons( object, skeletons ) {\n\n\t\tif ( Object.keys( skeletons ).length === 0 ) return;\n\n\t\tobject.traverse( function ( child ) {\n\n\t\t\tif ( child.isSkinnedMesh === true && child.skeleton !== undefined ) {\n\n\t\t\t\tconst skeleton = skeletons[ child.skeleton ];\n\n\t\t\t\tif ( skeleton === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: No skeleton found with UUID:', child.skeleton );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tchild.bind( skeleton, child.bindMatrix );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} );\n\n\t}\n\n\t/* DEPRECATED */\n\n\tsetTexturePath( value ) {\n\n\t\tconsole.warn( 'THREE.ObjectLoader: .setTexturePath() has been renamed to .setResourcePath().' );\n\t\treturn this.setResourcePath( value );\n\n\t}\n\n}\n\nconst TEXTURE_MAPPING = {\n\tUVMapping: UVMapping,\n\tCubeReflectionMapping: CubeReflectionMapping,\n\tCubeRefractionMapping: CubeRefractionMapping,\n\tEquirectangularReflectionMapping: EquirectangularReflectionMapping,\n\tEquirectangularRefractionMapping: EquirectangularRefractionMapping,\n\tCubeUVReflectionMapping: CubeUVReflectionMapping,\n\tCubeUVRefractionMapping: CubeUVRefractionMapping\n};\n\nconst TEXTURE_WRAPPING = {\n\tRepeatWrapping: RepeatWrapping,\n\tClampToEdgeWrapping: ClampToEdgeWrapping,\n\tMirroredRepeatWrapping: MirroredRepeatWrapping\n};\n\nconst TEXTURE_FILTER = {\n\tNearestFilter: NearestFilter,\n\tNearestMipmapNearestFilter: NearestMipmapNearestFilter,\n\tNearestMipmapLinearFilter: NearestMipmapLinearFilter,\n\tLinearFilter: LinearFilter,\n\tLinearMipmapNearestFilter: LinearMipmapNearestFilter,\n\tLinearMipmapLinearFilter: LinearMipmapLinearFilter\n};\n\nclass ImageBitmapLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t\tif ( typeof createImageBitmap === 'undefined' ) {\n\n\t\t\tconsole.warn( 'THREE.ImageBitmapLoader: createImageBitmap() not supported.' );\n\n\t\t}\n\n\t\tif ( typeof fetch === 'undefined' ) {\n\n\t\t\tconsole.warn( 'THREE.ImageBitmapLoader: fetch() not supported.' );\n\n\t\t}\n\n\t\tthis.options = { premultiplyAlpha: 'none' };\n\n\t}\n\n\tsetOptions( options ) {\n\n\t\tthis.options = options;\n\n\t\treturn this;\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( url === undefined ) url = '';\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst scope = this;\n\n\t\tconst cached = Cache.get( url );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\tsetTimeout( function () {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\tconst fetchOptions = {};\n\t\tfetchOptions.credentials = ( this.crossOrigin === 'anonymous' ) ? 'same-origin' : 'include';\n\t\tfetchOptions.headers = this.requestHeader;\n\n\t\tfetch( url, fetchOptions ).then( function ( res ) {\n\n\t\t\treturn res.blob();\n\n\t\t} ).then( function ( blob ) {\n\n\t\t\treturn createImageBitmap( blob, Object.assign( scope.options, { colorSpaceConversion: 'none' } ) );\n\n\t\t} ).then( function ( imageBitmap ) {\n\n\t\t\tCache.add( url, imageBitmap );\n\n\t\t\tif ( onLoad ) onLoad( imageBitmap );\n\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t} ).catch( function ( e ) {\n\n\t\t\tif ( onError ) onError( e );\n\n\t\t\tscope.manager.itemError( url );\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t} );\n\n\t\tscope.manager.itemStart( url );\n\n\t}\n\n}\n\nImageBitmapLoader.prototype.isImageBitmapLoader = true;\n\nlet _context;\n\nconst AudioContext = {\n\n\tgetContext: function () {\n\n\t\tif ( _context === undefined ) {\n\n\t\t\t_context = new ( window.AudioContext || window.webkitAudioContext )();\n\n\t\t}\n\n\t\treturn _context;\n\n\t},\n\n\tsetContext: function ( value ) {\n\n\t\t_context = value;\n\n\t}\n\n};\n\nclass AudioLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( buffer ) {\n\n\t\t\ttry {\n\n\t\t\t\t// Create a copy of the buffer. The `decodeAudioData` method\n\t\t\t\t// detaches the buffer when complete, preventing reuse.\n\t\t\t\tconst bufferCopy = buffer.slice( 0 );\n\n\t\t\t\tconst context = AudioContext.getContext();\n\t\t\t\tcontext.decodeAudioData( bufferCopy, function ( audioBuffer ) {\n\n\t\t\t\t\tonLoad( audioBuffer );\n\n\t\t\t\t} );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n}\n\nclass HemisphereLightProbe extends LightProbe {\n\n\tconstructor( skyColor, groundColor, intensity = 1 ) {\n\n\t\tsuper( undefined, intensity );\n\n\t\tconst color1 = new Color().set( skyColor );\n\t\tconst color2 = new Color().set( groundColor );\n\n\t\tconst sky = new Vector3( color1.r, color1.g, color1.b );\n\t\tconst ground = new Vector3( color2.r, color2.g, color2.b );\n\n\t\t// without extra factor of PI in the shader, should = 1 / Math.sqrt( Math.PI );\n\t\tconst c0 = Math.sqrt( Math.PI );\n\t\tconst c1 = c0 * Math.sqrt( 0.75 );\n\n\t\tthis.sh.coefficients[ 0 ].copy( sky ).add( ground ).multiplyScalar( c0 );\n\t\tthis.sh.coefficients[ 1 ].copy( sky ).sub( ground ).multiplyScalar( c1 );\n\n\t}\n\n}\n\nHemisphereLightProbe.prototype.isHemisphereLightProbe = true;\n\nclass AmbientLightProbe extends LightProbe {\n\n\tconstructor( color, intensity = 1 ) {\n\n\t\tsuper( undefined, intensity );\n\n\t\tconst color1 = new Color().set( color );\n\n\t\t// without extra factor of PI in the shader, would be 2 / Math.sqrt( Math.PI );\n\t\tthis.sh.coefficients[ 0 ].set( color1.r, color1.g, color1.b ).multiplyScalar( 2 * Math.sqrt( Math.PI ) );\n\n\t}\n\n}\n\nAmbientLightProbe.prototype.isAmbientLightProbe = true;\n\nconst _eyeRight = /*@__PURE__*/ new Matrix4();\nconst _eyeLeft = /*@__PURE__*/ new Matrix4();\nconst _projectionMatrix = /*@__PURE__*/ new Matrix4();\n\nclass StereoCamera {\n\n\tconstructor() {\n\n\t\tthis.type = 'StereoCamera';\n\n\t\tthis.aspect = 1;\n\n\t\tthis.eyeSep = 0.064;\n\n\t\tthis.cameraL = new PerspectiveCamera();\n\t\tthis.cameraL.layers.enable( 1 );\n\t\tthis.cameraL.matrixAutoUpdate = false;\n\n\t\tthis.cameraR = new PerspectiveCamera();\n\t\tthis.cameraR.layers.enable( 2 );\n\t\tthis.cameraR.matrixAutoUpdate = false;\n\n\t\tthis._cache = {\n\t\t\tfocus: null,\n\t\t\tfov: null,\n\t\t\taspect: null,\n\t\t\tnear: null,\n\t\t\tfar: null,\n\t\t\tzoom: null,\n\t\t\teyeSep: null\n\t\t};\n\n\t}\n\n\tupdate( camera ) {\n\n\t\tconst cache = this._cache;\n\n\t\tconst needsUpdate = cache.focus !== camera.focus || cache.fov !== camera.fov ||\n\t\t\tcache.aspect !== camera.aspect * this.aspect || cache.near !== camera.near ||\n\t\t\tcache.far !== camera.far || cache.zoom !== camera.zoom || cache.eyeSep !== this.eyeSep;\n\n\t\tif ( needsUpdate ) {\n\n\t\t\tcache.focus = camera.focus;\n\t\t\tcache.fov = camera.fov;\n\t\t\tcache.aspect = camera.aspect * this.aspect;\n\t\t\tcache.near = camera.near;\n\t\t\tcache.far = camera.far;\n\t\t\tcache.zoom = camera.zoom;\n\t\t\tcache.eyeSep = this.eyeSep;\n\n\t\t\t// Off-axis stereoscopic effect based on\n\t\t\t// http://paulbourke.net/stereographics/stereorender/\n\n\t\t\t_projectionMatrix.copy( camera.projectionMatrix );\n\t\t\tconst eyeSepHalf = cache.eyeSep / 2;\n\t\t\tconst eyeSepOnProjection = eyeSepHalf * cache.near / cache.focus;\n\t\t\tconst ymax = ( cache.near * Math.tan( DEG2RAD * cache.fov * 0.5 ) ) / cache.zoom;\n\t\t\tlet xmin, xmax;\n\n\t\t\t// translate xOffset\n\n\t\t\t_eyeLeft.elements[ 12 ] = - eyeSepHalf;\n\t\t\t_eyeRight.elements[ 12 ] = eyeSepHalf;\n\n\t\t\t// for left eye\n\n\t\t\txmin = - ymax * cache.aspect + eyeSepOnProjection;\n\t\t\txmax = ymax * cache.aspect + eyeSepOnProjection;\n\n\t\t\t_projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin );\n\t\t\t_projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\tthis.cameraL.projectionMatrix.copy( _projectionMatrix );\n\n\t\t\t// for right eye\n\n\t\t\txmin = - ymax * cache.aspect - eyeSepOnProjection;\n\t\t\txmax = ymax * cache.aspect - eyeSepOnProjection;\n\n\t\t\t_projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin );\n\t\t\t_projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\tthis.cameraR.projectionMatrix.copy( _projectionMatrix );\n\n\t\t}\n\n\t\tthis.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeLeft );\n\t\tthis.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeRight );\n\n\t}\n\n}\n\nclass Clock {\n\n\tconstructor( autoStart = true ) {\n\n\t\tthis.autoStart = autoStart;\n\n\t\tthis.startTime = 0;\n\t\tthis.oldTime = 0;\n\t\tthis.elapsedTime = 0;\n\n\t\tthis.running = false;\n\n\t}\n\n\tstart() {\n\n\t\tthis.startTime = now();\n\n\t\tthis.oldTime = this.startTime;\n\t\tthis.elapsedTime = 0;\n\t\tthis.running = true;\n\n\t}\n\n\tstop() {\n\n\t\tthis.getElapsedTime();\n\t\tthis.running = false;\n\t\tthis.autoStart = false;\n\n\t}\n\n\tgetElapsedTime() {\n\n\t\tthis.getDelta();\n\t\treturn this.elapsedTime;\n\n\t}\n\n\tgetDelta() {\n\n\t\tlet diff = 0;\n\n\t\tif ( this.autoStart && ! this.running ) {\n\n\t\t\tthis.start();\n\t\t\treturn 0;\n\n\t\t}\n\n\t\tif ( this.running ) {\n\n\t\t\tconst newTime = now();\n\n\t\t\tdiff = ( newTime - this.oldTime ) / 1000;\n\t\t\tthis.oldTime = newTime;\n\n\t\t\tthis.elapsedTime += diff;\n\n\t\t}\n\n\t\treturn diff;\n\n\t}\n\n}\n\nfunction now() {\n\n\treturn ( typeof performance === 'undefined' ? Date : performance ).now(); // see #10732\n\n}\n\nconst _position$1 = /*@__PURE__*/ new Vector3();\nconst _quaternion$1 = /*@__PURE__*/ new Quaternion();\nconst _scale$1 = /*@__PURE__*/ new Vector3();\nconst _orientation$1 = /*@__PURE__*/ new Vector3();\n\nclass AudioListener extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'AudioListener';\n\n\t\tthis.context = AudioContext.getContext();\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( this.context.destination );\n\n\t\tthis.filter = null;\n\n\t\tthis.timeDelta = 0;\n\n\t\t// private\n\n\t\tthis._clock = new Clock();\n\n\t}\n\n\tgetInput() {\n\n\t\treturn this.gain;\n\n\t}\n\n\tremoveFilter() {\n\n\t\tif ( this.filter !== null ) {\n\n\t\t\tthis.gain.disconnect( this.filter );\n\t\t\tthis.filter.disconnect( this.context.destination );\n\t\t\tthis.gain.connect( this.context.destination );\n\t\t\tthis.filter = null;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetFilter() {\n\n\t\treturn this.filter;\n\n\t}\n\n\tsetFilter( value ) {\n\n\t\tif ( this.filter !== null ) {\n\n\t\t\tthis.gain.disconnect( this.filter );\n\t\t\tthis.filter.disconnect( this.context.destination );\n\n\t\t} else {\n\n\t\t\tthis.gain.disconnect( this.context.destination );\n\n\t\t}\n\n\t\tthis.filter = value;\n\t\tthis.gain.connect( this.filter );\n\t\tthis.filter.connect( this.context.destination );\n\n\t\treturn this;\n\n\t}\n\n\tgetMasterVolume() {\n\n\t\treturn this.gain.gain.value;\n\n\t}\n\n\tsetMasterVolume( value ) {\n\n\t\tthis.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 );\n\n\t\treturn this;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tconst listener = this.context.listener;\n\t\tconst up = this.up;\n\n\t\tthis.timeDelta = this._clock.getDelta();\n\n\t\tthis.matrixWorld.decompose( _position$1, _quaternion$1, _scale$1 );\n\n\t\t_orientation$1.set( 0, 0, - 1 ).applyQuaternion( _quaternion$1 );\n\n\t\tif ( listener.positionX ) {\n\n\t\t\t// code path for Chrome (see #14393)\n\n\t\t\tconst endTime = this.context.currentTime + this.timeDelta;\n\n\t\t\tlistener.positionX.linearRampToValueAtTime( _position$1.x, endTime );\n\t\t\tlistener.positionY.linearRampToValueAtTime( _position$1.y, endTime );\n\t\t\tlistener.positionZ.linearRampToValueAtTime( _position$1.z, endTime );\n\t\t\tlistener.forwardX.linearRampToValueAtTime( _orientation$1.x, endTime );\n\t\t\tlistener.forwardY.linearRampToValueAtTime( _orientation$1.y, endTime );\n\t\t\tlistener.forwardZ.linearRampToValueAtTime( _orientation$1.z, endTime );\n\t\t\tlistener.upX.linearRampToValueAtTime( up.x, endTime );\n\t\t\tlistener.upY.linearRampToValueAtTime( up.y, endTime );\n\t\t\tlistener.upZ.linearRampToValueAtTime( up.z, endTime );\n\n\t\t} else {\n\n\t\t\tlistener.setPosition( _position$1.x, _position$1.y, _position$1.z );\n\t\t\tlistener.setOrientation( _orientation$1.x, _orientation$1.y, _orientation$1.z, up.x, up.y, up.z );\n\n\t\t}\n\n\t}\n\n}\n\nclass Audio extends Object3D {\n\n\tconstructor( listener ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Audio';\n\n\t\tthis.listener = listener;\n\t\tthis.context = listener.context;\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( listener.getInput() );\n\n\t\tthis.autoplay = false;\n\n\t\tthis.buffer = null;\n\t\tthis.detune = 0;\n\t\tthis.loop = false;\n\t\tthis.loopStart = 0;\n\t\tthis.loopEnd = 0;\n\t\tthis.offset = 0;\n\t\tthis.duration = undefined;\n\t\tthis.playbackRate = 1;\n\t\tthis.isPlaying = false;\n\t\tthis.hasPlaybackControl = true;\n\t\tthis.source = null;\n\t\tthis.sourceType = 'empty';\n\n\t\tthis._startedAt = 0;\n\t\tthis._progress = 0;\n\t\tthis._connected = false;\n\n\t\tthis.filters = [];\n\n\t}\n\n\tgetOutput() {\n\n\t\treturn this.gain;\n\n\t}\n\n\tsetNodeSource( audioNode ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'audioNode';\n\t\tthis.source = audioNode;\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\tsetMediaElementSource( mediaElement ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'mediaNode';\n\t\tthis.source = this.context.createMediaElementSource( mediaElement );\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\tsetMediaStreamSource( mediaStream ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'mediaStreamNode';\n\t\tthis.source = this.context.createMediaStreamSource( mediaStream );\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\tsetBuffer( audioBuffer ) {\n\n\t\tthis.buffer = audioBuffer;\n\t\tthis.sourceType = 'buffer';\n\n\t\tif ( this.autoplay ) this.play();\n\n\t\treturn this;\n\n\t}\n\n\tplay( delay = 0 ) {\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: Audio is already playing.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis._startedAt = this.context.currentTime + delay;\n\n\t\tconst source = this.context.createBufferSource();\n\t\tsource.buffer = this.buffer;\n\t\tsource.loop = this.loop;\n\t\tsource.loopStart = this.loopStart;\n\t\tsource.loopEnd = this.loopEnd;\n\t\tsource.onended = this.onEnded.bind( this );\n\t\tsource.start( this._startedAt, this._progress + this.offset, this.duration );\n\n\t\tthis.isPlaying = true;\n\n\t\tthis.source = source;\n\n\t\tthis.setDetune( this.detune );\n\t\tthis.setPlaybackRate( this.playbackRate );\n\n\t\treturn this.connect();\n\n\t}\n\n\tpause() {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\t// update current progress\n\n\t\t\tthis._progress += Math.max( this.context.currentTime - this._startedAt, 0 ) * this.playbackRate;\n\n\t\t\tif ( this.loop === true ) {\n\n\t\t\t\t// ensure _progress does not exceed duration with looped audios\n\n\t\t\t\tthis._progress = this._progress % ( this.duration || this.buffer.duration );\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.source.onended = null;\n\n\t\t\tthis.isPlaying = false;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tstop() {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis._progress = 0;\n\n\t\tthis.source.stop();\n\t\tthis.source.onended = null;\n\t\tthis.isPlaying = false;\n\n\t\treturn this;\n\n\t}\n\n\tconnect() {\n\n\t\tif ( this.filters.length > 0 ) {\n\n\t\t\tthis.source.connect( this.filters[ 0 ] );\n\n\t\t\tfor ( let i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\tthis.filters[ i - 1 ].connect( this.filters[ i ] );\n\n\t\t\t}\n\n\t\t\tthis.filters[ this.filters.length - 1 ].connect( this.getOutput() );\n\n\t\t} else {\n\n\t\t\tthis.source.connect( this.getOutput() );\n\n\t\t}\n\n\t\tthis._connected = true;\n\n\t\treturn this;\n\n\t}\n\n\tdisconnect() {\n\n\t\tif ( this.filters.length > 0 ) {\n\n\t\t\tthis.source.disconnect( this.filters[ 0 ] );\n\n\t\t\tfor ( let i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\tthis.filters[ i - 1 ].disconnect( this.filters[ i ] );\n\n\t\t\t}\n\n\t\t\tthis.filters[ this.filters.length - 1 ].disconnect( this.getOutput() );\n\n\t\t} else {\n\n\t\t\tthis.source.disconnect( this.getOutput() );\n\n\t\t}\n\n\t\tthis._connected = false;\n\n\t\treturn this;\n\n\t}\n\n\tgetFilters() {\n\n\t\treturn this.filters;\n\n\t}\n\n\tsetFilters( value ) {\n\n\t\tif ( ! value ) value = [];\n\n\t\tif ( this._connected === true ) {\n\n\t\t\tthis.disconnect();\n\t\t\tthis.filters = value.slice();\n\t\t\tthis.connect();\n\n\t\t} else {\n\n\t\t\tthis.filters = value.slice();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetDetune( value ) {\n\n\t\tthis.detune = value;\n\n\t\tif ( this.source.detune === undefined ) return; // only set detune when available\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tthis.source.detune.setTargetAtTime( this.detune, this.context.currentTime, 0.01 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetDetune() {\n\n\t\treturn this.detune;\n\n\t}\n\n\tgetFilter() {\n\n\t\treturn this.getFilters()[ 0 ];\n\n\t}\n\n\tsetFilter( filter ) {\n\n\t\treturn this.setFilters( filter ? [ filter ] : [] );\n\n\t}\n\n\tsetPlaybackRate( value ) {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis.playbackRate = value;\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tthis.source.playbackRate.setTargetAtTime( this.playbackRate, this.context.currentTime, 0.01 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetPlaybackRate() {\n\n\t\treturn this.playbackRate;\n\n\t}\n\n\tonEnded() {\n\n\t\tthis.isPlaying = false;\n\n\t}\n\n\tgetLoop() {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn false;\n\n\t\t}\n\n\t\treturn this.loop;\n\n\t}\n\n\tsetLoop( value ) {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis.loop = value;\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tthis.source.loop = this.loop;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetLoopStart( value ) {\n\n\t\tthis.loopStart = value;\n\n\t\treturn this;\n\n\t}\n\n\tsetLoopEnd( value ) {\n\n\t\tthis.loopEnd = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetVolume() {\n\n\t\treturn this.gain.gain.value;\n\n\t}\n\n\tsetVolume( value ) {\n\n\t\tthis.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _position = /*@__PURE__*/ new Vector3();\nconst _quaternion = /*@__PURE__*/ new Quaternion();\nconst _scale = /*@__PURE__*/ new Vector3();\nconst _orientation = /*@__PURE__*/ new Vector3();\n\nclass PositionalAudio extends Audio {\n\n\tconstructor( listener ) {\n\n\t\tsuper( listener );\n\n\t\tthis.panner = this.context.createPanner();\n\t\tthis.panner.panningModel = 'HRTF';\n\t\tthis.panner.connect( this.gain );\n\n\t}\n\n\tgetOutput() {\n\n\t\treturn this.panner;\n\n\t}\n\n\tgetRefDistance() {\n\n\t\treturn this.panner.refDistance;\n\n\t}\n\n\tsetRefDistance( value ) {\n\n\t\tthis.panner.refDistance = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetRolloffFactor() {\n\n\t\treturn this.panner.rolloffFactor;\n\n\t}\n\n\tsetRolloffFactor( value ) {\n\n\t\tthis.panner.rolloffFactor = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetDistanceModel() {\n\n\t\treturn this.panner.distanceModel;\n\n\t}\n\n\tsetDistanceModel( value ) {\n\n\t\tthis.panner.distanceModel = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetMaxDistance() {\n\n\t\treturn this.panner.maxDistance;\n\n\t}\n\n\tsetMaxDistance( value ) {\n\n\t\tthis.panner.maxDistance = value;\n\n\t\treturn this;\n\n\t}\n\n\tsetDirectionalCone( coneInnerAngle, coneOuterAngle, coneOuterGain ) {\n\n\t\tthis.panner.coneInnerAngle = coneInnerAngle;\n\t\tthis.panner.coneOuterAngle = coneOuterAngle;\n\t\tthis.panner.coneOuterGain = coneOuterGain;\n\n\t\treturn this;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tif ( this.hasPlaybackControl === true && this.isPlaying === false ) return;\n\n\t\tthis.matrixWorld.decompose( _position, _quaternion, _scale );\n\n\t\t_orientation.set( 0, 0, 1 ).applyQuaternion( _quaternion );\n\n\t\tconst panner = this.panner;\n\n\t\tif ( panner.positionX ) {\n\n\t\t\t// code path for Chrome and Firefox (see #14393)\n\n\t\t\tconst endTime = this.context.currentTime + this.listener.timeDelta;\n\n\t\t\tpanner.positionX.linearRampToValueAtTime( _position.x, endTime );\n\t\t\tpanner.positionY.linearRampToValueAtTime( _position.y, endTime );\n\t\t\tpanner.positionZ.linearRampToValueAtTime( _position.z, endTime );\n\t\t\tpanner.orientationX.linearRampToValueAtTime( _orientation.x, endTime );\n\t\t\tpanner.orientationY.linearRampToValueAtTime( _orientation.y, endTime );\n\t\t\tpanner.orientationZ.linearRampToValueAtTime( _orientation.z, endTime );\n\n\t\t} else {\n\n\t\t\tpanner.setPosition( _position.x, _position.y, _position.z );\n\t\t\tpanner.setOrientation( _orientation.x, _orientation.y, _orientation.z );\n\n\t\t}\n\n\t}\n\n}\n\nclass AudioAnalyser {\n\n\tconstructor( audio, fftSize = 2048 ) {\n\n\t\tthis.analyser = audio.context.createAnalyser();\n\t\tthis.analyser.fftSize = fftSize;\n\n\t\tthis.data = new Uint8Array( this.analyser.frequencyBinCount );\n\n\t\taudio.getOutput().connect( this.analyser );\n\n\t}\n\n\n\tgetFrequencyData() {\n\n\t\tthis.analyser.getByteFrequencyData( this.data );\n\n\t\treturn this.data;\n\n\t}\n\n\tgetAverageFrequency() {\n\n\t\tlet value = 0;\n\t\tconst data = this.getFrequencyData();\n\n\t\tfor ( let i = 0; i < data.length; i ++ ) {\n\n\t\t\tvalue += data[ i ];\n\n\t\t}\n\n\t\treturn value / data.length;\n\n\t}\n\n}\n\nclass PropertyMixer {\n\n\tconstructor( binding, typeName, valueSize ) {\n\n\t\tthis.binding = binding;\n\t\tthis.valueSize = valueSize;\n\n\t\tlet mixFunction,\n\t\t\tmixFunctionAdditive,\n\t\t\tsetIdentity;\n\n\t\t// buffer layout: [ incoming | accu0 | accu1 | orig | addAccu | (optional work) ]\n\t\t//\n\t\t// interpolators can use .buffer as their .result\n\t\t// the data then goes to 'incoming'\n\t\t//\n\t\t// 'accu0' and 'accu1' are used frame-interleaved for\n\t\t// the cumulative result and are compared to detect\n\t\t// changes\n\t\t//\n\t\t// 'orig' stores the original state of the property\n\t\t//\n\t\t// 'add' is used for additive cumulative results\n\t\t//\n\t\t// 'work' is optional and is only present for quaternion types. It is used\n\t\t// to store intermediate quaternion multiplication results\n\n\t\tswitch ( typeName ) {\n\n\t\t\tcase 'quaternion':\n\t\t\t\tmixFunction = this._slerp;\n\t\t\t\tmixFunctionAdditive = this._slerpAdditive;\n\t\t\t\tsetIdentity = this._setAdditiveIdentityQuaternion;\n\n\t\t\t\tthis.buffer = new Float64Array( valueSize * 6 );\n\t\t\t\tthis._workIndex = 5;\n\t\t\t\tbreak;\n\n\t\t\tcase 'string':\n\t\t\tcase 'bool':\n\t\t\t\tmixFunction = this._select;\n\n\t\t\t\t// Use the regular mix function and for additive on these types,\n\t\t\t\t// additive is not relevant for non-numeric types\n\t\t\t\tmixFunctionAdditive = this._select;\n\n\t\t\t\tsetIdentity = this._setAdditiveIdentityOther;\n\n\t\t\t\tthis.buffer = new Array( valueSize * 5 );\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tmixFunction = this._lerp;\n\t\t\t\tmixFunctionAdditive = this._lerpAdditive;\n\t\t\t\tsetIdentity = this._setAdditiveIdentityNumeric;\n\n\t\t\t\tthis.buffer = new Float64Array( valueSize * 5 );\n\n\t\t}\n\n\t\tthis._mixBufferRegion = mixFunction;\n\t\tthis._mixBufferRegionAdditive = mixFunctionAdditive;\n\t\tthis._setIdentity = setIdentity;\n\t\tthis._origIndex = 3;\n\t\tthis._addIndex = 4;\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t\tthis.useCount = 0;\n\t\tthis.referenceCount = 0;\n\n\t}\n\n\t// accumulate data in the 'incoming' region into 'accu'\n\taccumulate( accuIndex, weight ) {\n\n\t\t// note: happily accumulating nothing when weight = 0, the caller knows\n\t\t// the weight and shouldn't have made the call in the first place\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = accuIndex * stride + stride;\n\n\t\tlet currentWeight = this.cumulativeWeight;\n\n\t\tif ( currentWeight === 0 ) {\n\n\t\t\t// accuN := incoming * weight\n\n\t\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tbuffer[ offset + i ] = buffer[ i ];\n\n\t\t\t}\n\n\t\t\tcurrentWeight = weight;\n\n\t\t} else {\n\n\t\t\t// accuN := accuN + incoming * weight\n\n\t\t\tcurrentWeight += weight;\n\t\t\tconst mix = weight / currentWeight;\n\t\t\tthis._mixBufferRegion( buffer, offset, 0, mix, stride );\n\n\t\t}\n\n\t\tthis.cumulativeWeight = currentWeight;\n\n\t}\n\n\t// accumulate data in the 'incoming' region into 'add'\n\taccumulateAdditive( weight ) {\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = stride * this._addIndex;\n\n\t\tif ( this.cumulativeWeightAdditive === 0 ) {\n\n\t\t\t// add = identity\n\n\t\t\tthis._setIdentity();\n\n\t\t}\n\n\t\t// add := add + incoming * weight\n\n\t\tthis._mixBufferRegionAdditive( buffer, offset, 0, weight, stride );\n\t\tthis.cumulativeWeightAdditive += weight;\n\n\t}\n\n\t// apply the state of 'accu' to the binding when accus differ\n\tapply( accuIndex ) {\n\n\t\tconst stride = this.valueSize,\n\t\t\tbuffer = this.buffer,\n\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\tweight = this.cumulativeWeight,\n\t\t\tweightAdditive = this.cumulativeWeightAdditive,\n\n\t\t\tbinding = this.binding;\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t\tif ( weight < 1 ) {\n\n\t\t\t// accuN := accuN + original * ( 1 - cumulativeWeight )\n\n\t\t\tconst originalValueOffset = stride * this._origIndex;\n\n\t\t\tthis._mixBufferRegion(\n\t\t\t\tbuffer, offset, originalValueOffset, 1 - weight, stride );\n\n\t\t}\n\n\t\tif ( weightAdditive > 0 ) {\n\n\t\t\t// accuN := accuN + additive accuN\n\n\t\t\tthis._mixBufferRegionAdditive( buffer, offset, this._addIndex * stride, 1, stride );\n\n\t\t}\n\n\t\tfor ( let i = stride, e = stride + stride; i !== e; ++ i ) {\n\n\t\t\tif ( buffer[ i ] !== buffer[ i + stride ] ) {\n\n\t\t\t\t// value has changed -> update scene graph\n\n\t\t\t\tbinding.setValue( buffer, offset );\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// remember the state of the bound property and copy it to both accus\n\tsaveOriginalState() {\n\n\t\tconst binding = this.binding;\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\n\t\t\toriginalValueOffset = stride * this._origIndex;\n\n\t\tbinding.getValue( buffer, originalValueOffset );\n\n\t\t// accu[0..1] := orig -- initially detect changes against the original\n\t\tfor ( let i = stride, e = originalValueOffset; i !== e; ++ i ) {\n\n\t\t\tbuffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ];\n\n\t\t}\n\n\t\t// Add to identity for additive\n\t\tthis._setIdentity();\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t}\n\n\t// apply the state previously taken via 'saveOriginalState' to the binding\n\trestoreOriginalState() {\n\n\t\tconst originalValueOffset = this.valueSize * 3;\n\t\tthis.binding.setValue( this.buffer, originalValueOffset );\n\n\t}\n\n\t_setAdditiveIdentityNumeric() {\n\n\t\tconst startIndex = this._addIndex * this.valueSize;\n\t\tconst endIndex = startIndex + this.valueSize;\n\n\t\tfor ( let i = startIndex; i < endIndex; i ++ ) {\n\n\t\t\tthis.buffer[ i ] = 0;\n\n\t\t}\n\n\t}\n\n\t_setAdditiveIdentityQuaternion() {\n\n\t\tthis._setAdditiveIdentityNumeric();\n\t\tthis.buffer[ this._addIndex * this.valueSize + 3 ] = 1;\n\n\t}\n\n\t_setAdditiveIdentityOther() {\n\n\t\tconst startIndex = this._origIndex * this.valueSize;\n\t\tconst targetIndex = this._addIndex * this.valueSize;\n\n\t\tfor ( let i = 0; i < this.valueSize; i ++ ) {\n\n\t\t\tthis.buffer[ targetIndex + i ] = this.buffer[ startIndex + i ];\n\n\t\t}\n\n\t}\n\n\n\t// mix functions\n\n\t_select( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tif ( t >= 0.5 ) {\n\n\t\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tbuffer[ dstOffset + i ] = buffer[ srcOffset + i ];\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_slerp( buffer, dstOffset, srcOffset, t ) {\n\n\t\tQuaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, srcOffset, t );\n\n\t}\n\n\t_slerpAdditive( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tconst workOffset = this._workIndex * stride;\n\n\t\t// Store result in intermediate buffer offset\n\t\tQuaternion.multiplyQuaternionsFlat( buffer, workOffset, buffer, dstOffset, buffer, srcOffset );\n\n\t\t// Slerp to the intermediate result\n\t\tQuaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, workOffset, t );\n\n\t}\n\n\t_lerp( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tconst s = 1 - t;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tconst j = dstOffset + i;\n\n\t\t\tbuffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t;\n\n\t\t}\n\n\t}\n\n\t_lerpAdditive( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tconst j = dstOffset + i;\n\n\t\t\tbuffer[ j ] = buffer[ j ] + buffer[ srcOffset + i ] * t;\n\n\t\t}\n\n\t}\n\n}\n\n// Characters [].:/ are reserved for track binding syntax.\nconst _RESERVED_CHARS_RE = '\\\\[\\\\]\\\\.:\\\\/';\nconst _reservedRe = new RegExp( '[' + _RESERVED_CHARS_RE + ']', 'g' );\n\n// Attempts to allow node names from any language. ES5's `\\w` regexp matches\n// only latin characters, and the unicode \\p{L} is not yet supported. So\n// instead, we exclude reserved characters and match everything else.\nconst _wordChar = '[^' + _RESERVED_CHARS_RE + ']';\nconst _wordCharOrDot = '[^' + _RESERVED_CHARS_RE.replace( '\\\\.', '' ) + ']';\n\n// Parent directories, delimited by '/' or ':'. Currently unused, but must\n// be matched to parse the rest of the track name.\nconst _directoryRe = /((?:WC+[\\/:])*)/.source.replace( 'WC', _wordChar );\n\n// Target node. May contain word characters (a-zA-Z0-9_) and '.' or '-'.\nconst _nodeRe = /(WCOD+)?/.source.replace( 'WCOD', _wordCharOrDot );\n\n// Object on target node, and accessor. May not contain reserved\n// characters. Accessor may contain any character except closing bracket.\nconst _objectRe = /(?:\\.(WC+)(?:\\[(.+)\\])?)?/.source.replace( 'WC', _wordChar );\n\n// Property and accessor. May not contain reserved characters. Accessor may\n// contain any non-bracket characters.\nconst _propertyRe = /\\.(WC+)(?:\\[(.+)\\])?/.source.replace( 'WC', _wordChar );\n\nconst _trackRe = new RegExp( ''\n\t+ '^'\n\t+ _directoryRe\n\t+ _nodeRe\n\t+ _objectRe\n\t+ _propertyRe\n\t+ '$'\n);\n\nconst _supportedObjectNames = [ 'material', 'materials', 'bones' ];\n\nclass Composite {\n\n\tconstructor( targetGroup, path, optionalParsedPath ) {\n\n\t\tconst parsedPath = optionalParsedPath || PropertyBinding.parseTrackName( path );\n\n\t\tthis._targetGroup = targetGroup;\n\t\tthis._bindings = targetGroup.subscribe_( path, parsedPath );\n\n\t}\n\n\tgetValue( array, offset ) {\n\n\t\tthis.bind(); // bind all binding\n\n\t\tconst firstValidIndex = this._targetGroup.nCachedObjects_,\n\t\t\tbinding = this._bindings[ firstValidIndex ];\n\n\t\t// and only call .getValue on the first\n\t\tif ( binding !== undefined ) binding.getValue( array, offset );\n\n\t}\n\n\tsetValue( array, offset ) {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].setValue( array, offset );\n\n\t\t}\n\n\t}\n\n\tbind() {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].bind();\n\n\t\t}\n\n\t}\n\n\tunbind() {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].unbind();\n\n\t\t}\n\n\t}\n\n}\n\n// Note: This class uses a State pattern on a per-method basis:\n// 'bind' sets 'this.getValue' / 'setValue' and shadows the\n// prototype version of these methods with one that represents\n// the bound state. When the property is not found, the methods\n// become no-ops.\nclass PropertyBinding {\n\n\tconstructor( rootNode, path, parsedPath ) {\n\n\t\tthis.path = path;\n\t\tthis.parsedPath = parsedPath || PropertyBinding.parseTrackName( path );\n\n\t\tthis.node = PropertyBinding.findNode( rootNode, this.parsedPath.nodeName ) || rootNode;\n\n\t\tthis.rootNode = rootNode;\n\n\t\t// initial state of these methods that calls 'bind'\n\t\tthis.getValue = this._getValue_unbound;\n\t\tthis.setValue = this._setValue_unbound;\n\n\t}\n\n\n\tstatic create( root, path, parsedPath ) {\n\n\t\tif ( ! ( root && root.isAnimationObjectGroup ) ) {\n\n\t\t\treturn new PropertyBinding( root, path, parsedPath );\n\n\t\t} else {\n\n\t\t\treturn new PropertyBinding.Composite( root, path, parsedPath );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Replaces spaces with underscores and removes unsupported characters from\n\t * node names, to ensure compatibility with parseTrackName().\n\t *\n\t * @param {string} name Node name to be sanitized.\n\t * @return {string}\n\t */\n\tstatic sanitizeNodeName( name ) {\n\n\t\treturn name.replace( /\\s/g, '_' ).replace( _reservedRe, '' );\n\n\t}\n\n\tstatic parseTrackName( trackName ) {\n\n\t\tconst matches = _trackRe.exec( trackName );\n\n\t\tif ( ! matches ) {\n\n\t\t\tthrow new Error( 'PropertyBinding: Cannot parse trackName: ' + trackName );\n\n\t\t}\n\n\t\tconst results = {\n\t\t\t// directoryName: matches[ 1 ], // (tschw) currently unused\n\t\t\tnodeName: matches[ 2 ],\n\t\t\tobjectName: matches[ 3 ],\n\t\t\tobjectIndex: matches[ 4 ],\n\t\t\tpropertyName: matches[ 5 ], // required\n\t\t\tpropertyIndex: matches[ 6 ]\n\t\t};\n\n\t\tconst lastDot = results.nodeName && results.nodeName.lastIndexOf( '.' );\n\n\t\tif ( lastDot !== undefined && lastDot !== - 1 ) {\n\n\t\t\tconst objectName = results.nodeName.substring( lastDot + 1 );\n\n\t\t\t// Object names must be checked against an allowlist. Otherwise, there\n\t\t\t// is no way to parse 'foo.bar.baz': 'baz' must be a property, but\n\t\t\t// 'bar' could be the objectName, or part of a nodeName (which can\n\t\t\t// include '.' characters).\n\t\t\tif ( _supportedObjectNames.indexOf( objectName ) !== - 1 ) {\n\n\t\t\t\tresults.nodeName = results.nodeName.substring( 0, lastDot );\n\t\t\t\tresults.objectName = objectName;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( results.propertyName === null || results.propertyName.length === 0 ) {\n\n\t\t\tthrow new Error( 'PropertyBinding: can not parse propertyName from trackName: ' + trackName );\n\n\t\t}\n\n\t\treturn results;\n\n\t}\n\n\tstatic findNode( root, nodeName ) {\n\n\t\tif ( ! nodeName || nodeName === '' || nodeName === '.' || nodeName === - 1 || nodeName === root.name || nodeName === root.uuid ) {\n\n\t\t\treturn root;\n\n\t\t}\n\n\t\t// search into skeleton bones.\n\t\tif ( root.skeleton ) {\n\n\t\t\tconst bone = root.skeleton.getBoneByName( nodeName );\n\n\t\t\tif ( bone !== undefined ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// search into node subtree.\n\t\tif ( root.children ) {\n\n\t\t\tconst searchNodeSubtree = function ( children ) {\n\n\t\t\t\tfor ( let i = 0; i < children.length; i ++ ) {\n\n\t\t\t\t\tconst childNode = children[ i ];\n\n\t\t\t\t\tif ( childNode.name === nodeName || childNode.uuid === nodeName ) {\n\n\t\t\t\t\t\treturn childNode;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst result = searchNodeSubtree( childNode.children );\n\n\t\t\t\t\tif ( result ) return result;\n\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tconst subTreeNode = searchNodeSubtree( root.children );\n\n\t\t\tif ( subTreeNode ) {\n\n\t\t\t\treturn subTreeNode;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\t// these are used to \"bind\" a nonexistent property\n\t_getValue_unavailable() {}\n\t_setValue_unavailable() {}\n\n\t// Getters\n\n\t_getValue_direct( buffer, offset ) {\n\n\t\tbuffer[ offset ] = this.targetObject[ this.propertyName ];\n\n\t}\n\n\t_getValue_array( buffer, offset ) {\n\n\t\tconst source = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = source.length; i !== n; ++ i ) {\n\n\t\t\tbuffer[ offset ++ ] = source[ i ];\n\n\t\t}\n\n\t}\n\n\t_getValue_arrayElement( buffer, offset ) {\n\n\t\tbuffer[ offset ] = this.resolvedProperty[ this.propertyIndex ];\n\n\t}\n\n\t_getValue_toArray( buffer, offset ) {\n\n\t\tthis.resolvedProperty.toArray( buffer, offset );\n\n\t}\n\n\t// Direct\n\n\t_setValue_direct( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\n\t}\n\n\t_setValue_direct_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// EntireArray\n\n\t_setValue_array( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t}\n\n\t_setValue_array_setNeedsUpdate( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// ArrayElement\n\n\t_setValue_arrayElement( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\n\t}\n\n\t_setValue_arrayElement_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// HasToFromArray\n\n\t_setValue_fromArray( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\n\t}\n\n\t_setValue_fromArray_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t_getValue_unbound( targetArray, offset ) {\n\n\t\tthis.bind();\n\t\tthis.getValue( targetArray, offset );\n\n\t}\n\n\t_setValue_unbound( sourceArray, offset ) {\n\n\t\tthis.bind();\n\t\tthis.setValue( sourceArray, offset );\n\n\t}\n\n\t// create getter / setter pair for a property in the scene graph\n\tbind() {\n\n\t\tlet targetObject = this.node;\n\t\tconst parsedPath = this.parsedPath;\n\n\t\tconst objectName = parsedPath.objectName;\n\t\tconst propertyName = parsedPath.propertyName;\n\t\tlet propertyIndex = parsedPath.propertyIndex;\n\n\t\tif ( ! targetObject ) {\n\n\t\t\ttargetObject = PropertyBinding.findNode( this.rootNode, parsedPath.nodeName ) || this.rootNode;\n\n\t\t\tthis.node = targetObject;\n\n\t\t}\n\n\t\t// set fail state so we can just 'return' on error\n\t\tthis.getValue = this._getValue_unavailable;\n\t\tthis.setValue = this._setValue_unavailable;\n\n\t\t// ensure there is a value node\n\t\tif ( ! targetObject ) {\n\n\t\t\tconsole.error( 'THREE.PropertyBinding: Trying to update node for track: ' + this.path + ' but it wasn\\'t found.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( objectName ) {\n\n\t\t\tlet objectIndex = parsedPath.objectIndex;\n\n\t\t\t// special cases were we need to reach deeper into the hierarchy to get the face materials....\n\t\t\tswitch ( objectName ) {\n\n\t\t\t\tcase 'materials':\n\n\t\t\t\t\tif ( ! targetObject.material ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to material as node does not have a material.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! targetObject.material.materials ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject.material.materials;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'bones':\n\n\t\t\t\t\tif ( ! targetObject.skeleton ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// potential future optimization: skip this if propertyIndex is already an integer\n\t\t\t\t\t// and convert the integer string to a true integer.\n\n\t\t\t\t\ttargetObject = targetObject.skeleton.bones;\n\n\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\tfor ( let i = 0; i < targetObject.length; i ++ ) {\n\n\t\t\t\t\t\tif ( targetObject[ i ].name === objectIndex ) {\n\n\t\t\t\t\t\t\tobjectIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tif ( targetObject[ objectName ] === undefined ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to objectName of node undefined.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject[ objectName ];\n\n\t\t\t}\n\n\n\t\t\tif ( objectIndex !== undefined ) {\n\n\t\t\t\tif ( targetObject[ objectIndex ] === undefined ) {\n\n\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.', this, targetObject );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\ttargetObject = targetObject[ objectIndex ];\n\n\t\t\t}\n\n\t\t}\n\n\t\t// resolve property\n\t\tconst nodeProperty = targetObject[ propertyName ];\n\n\t\tif ( nodeProperty === undefined ) {\n\n\t\t\tconst nodeName = parsedPath.nodeName;\n\n\t\t\tconsole.error( 'THREE.PropertyBinding: Trying to update property for track: ' + nodeName +\n\t\t\t\t'.' + propertyName + ' but it wasn\\'t found.', targetObject );\n\t\t\treturn;\n\n\t\t}\n\n\t\t// determine versioning scheme\n\t\tlet versioning = this.Versioning.None;\n\n\t\tthis.targetObject = targetObject;\n\n\t\tif ( targetObject.needsUpdate !== undefined ) { // material\n\n\t\t\tversioning = this.Versioning.NeedsUpdate;\n\n\t\t} else if ( targetObject.matrixWorldNeedsUpdate !== undefined ) { // node transform\n\n\t\t\tversioning = this.Versioning.MatrixWorldNeedsUpdate;\n\n\t\t}\n\n\t\t// determine how the property gets bound\n\t\tlet bindingType = this.BindingType.Direct;\n\n\t\tif ( propertyIndex !== undefined ) {\n\n\t\t\t// access a sub element of the property array (only primitives are supported right now)\n\n\t\t\tif ( propertyName === 'morphTargetInfluences' ) {\n\n\t\t\t\t// potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer.\n\n\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\tif ( ! targetObject.geometry ) {\n\n\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.', this );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tif ( targetObject.geometry.isBufferGeometry ) {\n\n\t\t\t\t\tif ( ! targetObject.geometry.morphAttributes ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( targetObject.morphTargetDictionary[ propertyIndex ] !== undefined ) {\n\n\t\t\t\t\t\tpropertyIndex = targetObject.morphTargetDictionary[ propertyIndex ];\n\n\t\t\t\t\t}\n\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences on THREE.Geometry. Use THREE.BufferGeometry instead.', this );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tbindingType = this.BindingType.ArrayElement;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\t\t\tthis.propertyIndex = propertyIndex;\n\n\t\t} else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) {\n\n\t\t\t// must use copy for Object3D.Euler/Quaternion\n\n\t\t\tbindingType = this.BindingType.HasFromToArray;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t} else if ( Array.isArray( nodeProperty ) ) {\n\n\t\t\tbindingType = this.BindingType.EntireArray;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t} else {\n\n\t\t\tthis.propertyName = propertyName;\n\n\t\t}\n\n\t\t// select getter / setter\n\t\tthis.getValue = this.GetterByBindingType[ bindingType ];\n\t\tthis.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ];\n\n\t}\n\n\tunbind() {\n\n\t\tthis.node = null;\n\n\t\t// back to the prototype version of getValue / setValue\n\t\t// note: avoiding to mutate the shape of 'this' via 'delete'\n\t\tthis.getValue = this._getValue_unbound;\n\t\tthis.setValue = this._setValue_unbound;\n\n\t}\n\n}\n\nPropertyBinding.Composite = Composite;\n\nPropertyBinding.prototype.BindingType = {\n\tDirect: 0,\n\tEntireArray: 1,\n\tArrayElement: 2,\n\tHasFromToArray: 3\n};\n\nPropertyBinding.prototype.Versioning = {\n\tNone: 0,\n\tNeedsUpdate: 1,\n\tMatrixWorldNeedsUpdate: 2\n};\n\nPropertyBinding.prototype.GetterByBindingType = [\n\n\tPropertyBinding.prototype._getValue_direct,\n\tPropertyBinding.prototype._getValue_array,\n\tPropertyBinding.prototype._getValue_arrayElement,\n\tPropertyBinding.prototype._getValue_toArray,\n\n];\n\nPropertyBinding.prototype.SetterByBindingTypeAndVersioning = [\n\n\t[\n\t\t// Direct\n\t\tPropertyBinding.prototype._setValue_direct,\n\t\tPropertyBinding.prototype._setValue_direct_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_direct_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// EntireArray\n\n\t\tPropertyBinding.prototype._setValue_array,\n\t\tPropertyBinding.prototype._setValue_array_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_array_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// ArrayElement\n\t\tPropertyBinding.prototype._setValue_arrayElement,\n\t\tPropertyBinding.prototype._setValue_arrayElement_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// HasToFromArray\n\t\tPropertyBinding.prototype._setValue_fromArray,\n\t\tPropertyBinding.prototype._setValue_fromArray_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate,\n\n\t]\n\n];\n\n/**\n *\n * A group of objects that receives a shared animation state.\n *\n * Usage:\n *\n * - Add objects you would otherwise pass as 'root' to the\n * constructor or the .clipAction method of AnimationMixer.\n *\n * - Instead pass this object as 'root'.\n *\n * - You can also add and remove objects later when the mixer\n * is running.\n *\n * Note:\n *\n * Objects of this class appear as one object to the mixer,\n * so cache control of the individual objects must be done\n * on the group.\n *\n * Limitation:\n *\n * - The animated properties must be compatible among the\n * all objects in the group.\n *\n * - A single property can either be controlled through a\n * target group or directly, but not both.\n */\n\nclass AnimationObjectGroup {\n\n\tconstructor() {\n\n\t\tthis.uuid = generateUUID();\n\n\t\t// cached objects followed by the active ones\n\t\tthis._objects = Array.prototype.slice.call( arguments );\n\n\t\tthis.nCachedObjects_ = 0; // threshold\n\t\t// note: read by PropertyBinding.Composite\n\n\t\tconst indices = {};\n\t\tthis._indicesByUUID = indices; // for bookkeeping\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tindices[ arguments[ i ].uuid ] = i;\n\n\t\t}\n\n\t\tthis._paths = []; // inside: string\n\t\tthis._parsedPaths = []; // inside: { we don't care, here }\n\t\tthis._bindings = []; // inside: Array< PropertyBinding >\n\t\tthis._bindingsIndicesByPath = {}; // inside: indices in these arrays\n\n\t\tconst scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tobjects: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._objects.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn this.total - scope.nCachedObjects_;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tget bindingsPerObject() {\n\n\t\t\t\treturn scope._bindings.length;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tadd() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tpaths = this._paths,\n\t\t\tparsedPaths = this._parsedPaths,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet knownObject = undefined,\n\t\t\tnObjects = objects.length,\n\t\t\tnCachedObjects = this.nCachedObjects_;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid;\n\t\t\tlet index = indicesByUUID[ uuid ];\n\n\t\t\tif ( index === undefined ) {\n\n\t\t\t\t// unknown object -> add it to the ACTIVE region\n\n\t\t\t\tindex = nObjects ++;\n\t\t\t\tindicesByUUID[ uuid ] = index;\n\t\t\t\tobjects.push( object );\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tbindings[ j ].push( new PropertyBinding( object, paths[ j ], parsedPaths[ j ] ) );\n\n\t\t\t\t}\n\n\t\t\t} else if ( index < nCachedObjects ) {\n\n\t\t\t\tknownObject = objects[ index ];\n\n\t\t\t\t// move existing object to the ACTIVE region\n\n\t\t\t\tconst firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ];\n\n\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\tindicesByUUID[ uuid ] = firstActiveIndex;\n\t\t\t\tobjects[ firstActiveIndex ] = object;\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ];\n\n\t\t\t\t\tlet binding = bindingsForPath[ index ];\n\n\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\n\t\t\t\t\tif ( binding === undefined ) {\n\n\t\t\t\t\t\t// since we do not bother to create new bindings\n\t\t\t\t\t\t// for objects that are cached, the binding may\n\t\t\t\t\t\t// or may not exist\n\n\t\t\t\t\t\tbinding = new PropertyBinding( object, paths[ j ], parsedPaths[ j ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = binding;\n\n\t\t\t\t}\n\n\t\t\t} else if ( objects[ index ] !== knownObject ) {\n\n\t\t\t\tconsole.error( 'THREE.AnimationObjectGroup: Different objects with the same UUID ' +\n\t\t\t\t\t'detected. Clean the caches or recreate your infrastructure when reloading scenes.' );\n\n\t\t\t} // else the object is already where we want it to be\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\tremove() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet nCachedObjects = this.nCachedObjects_;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid,\n\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\tif ( index !== undefined && index >= nCachedObjects ) {\n\n\t\t\t\t// move existing object into the CACHED region\n\n\t\t\t\tconst lastCachedIndex = nCachedObjects ++,\n\t\t\t\t\tfirstActiveObject = objects[ lastCachedIndex ];\n\n\t\t\t\tindicesByUUID[ firstActiveObject.uuid ] = index;\n\t\t\t\tobjects[ index ] = firstActiveObject;\n\n\t\t\t\tindicesByUUID[ uuid ] = lastCachedIndex;\n\t\t\t\tobjects[ lastCachedIndex ] = object;\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\tfirstActive = bindingsForPath[ lastCachedIndex ],\n\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\tbindingsForPath[ index ] = firstActive;\n\t\t\t\t\tbindingsForPath[ lastCachedIndex ] = binding;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\t// remove & forget\n\tuncache() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet nCachedObjects = this.nCachedObjects_,\n\t\t\tnObjects = objects.length;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid,\n\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tdelete indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index < nCachedObjects ) {\n\n\t\t\t\t\t// object is cached, shrink the CACHED region\n\n\t\t\t\t\tconst firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ],\n\t\t\t\t\t\tlastIndex = -- nObjects,\n\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t// last cached object takes this object's place\n\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\t// last object goes to the activated slot and pop\n\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = firstActiveIndex;\n\t\t\t\t\tobjects[ firstActiveIndex ] = lastObject;\n\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\tlast = bindingsForPath[ lastIndex ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = last;\n\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// object is active, just swap with the last and pop\n\n\t\t\t\t\tconst lastIndex = -- nObjects,\n\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\tif ( lastIndex > 0 ) {\n\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = index;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tobjects[ index ] = lastObject;\n\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tconst bindingsForPath = bindings[ j ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = bindingsForPath[ lastIndex ];\n\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t}\n\n\t\t\t\t} // cached or active\n\n\t\t\t} // if object is known\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\t// Internal interface used by befriended PropertyBinding.Composite:\n\n\tsubscribe_( path, parsedPath ) {\n\n\t\t// returns an array of bindings for the given path that is changed\n\t\t// according to the contained objects in the group\n\n\t\tconst indicesByPath = this._bindingsIndicesByPath;\n\t\tlet index = indicesByPath[ path ];\n\t\tconst bindings = this._bindings;\n\n\t\tif ( index !== undefined ) return bindings[ index ];\n\n\t\tconst paths = this._paths,\n\t\t\tparsedPaths = this._parsedPaths,\n\t\t\tobjects = this._objects,\n\t\t\tnObjects = objects.length,\n\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\tbindingsForPath = new Array( nObjects );\n\n\t\tindex = bindings.length;\n\n\t\tindicesByPath[ path ] = index;\n\n\t\tpaths.push( path );\n\t\tparsedPaths.push( parsedPath );\n\t\tbindings.push( bindingsForPath );\n\n\t\tfor ( let i = nCachedObjects, n = objects.length; i !== n; ++ i ) {\n\n\t\t\tconst object = objects[ i ];\n\t\t\tbindingsForPath[ i ] = new PropertyBinding( object, path, parsedPath );\n\n\t\t}\n\n\t\treturn bindingsForPath;\n\n\t}\n\n\tunsubscribe_( path ) {\n\n\t\t// tells the group to forget about a property path and no longer\n\t\t// update the array previously obtained with 'subscribe_'\n\n\t\tconst indicesByPath = this._bindingsIndicesByPath,\n\t\t\tindex = indicesByPath[ path ];\n\n\t\tif ( index !== undefined ) {\n\n\t\t\tconst paths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tlastBindingsIndex = bindings.length - 1,\n\t\t\t\tlastBindings = bindings[ lastBindingsIndex ],\n\t\t\t\tlastBindingsPath = path[ lastBindingsIndex ];\n\n\t\t\tindicesByPath[ lastBindingsPath ] = index;\n\n\t\t\tbindings[ index ] = lastBindings;\n\t\t\tbindings.pop();\n\n\t\t\tparsedPaths[ index ] = parsedPaths[ lastBindingsIndex ];\n\t\t\tparsedPaths.pop();\n\n\t\t\tpaths[ index ] = paths[ lastBindingsIndex ];\n\t\t\tpaths.pop();\n\n\t\t}\n\n\t}\n\n}\n\nAnimationObjectGroup.prototype.isAnimationObjectGroup = true;\n\nclass AnimationAction {\n\n\tconstructor( mixer, clip, localRoot = null, blendMode = clip.blendMode ) {\n\n\t\tthis._mixer = mixer;\n\t\tthis._clip = clip;\n\t\tthis._localRoot = localRoot;\n\t\tthis.blendMode = blendMode;\n\n\t\tconst tracks = clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tinterpolants = new Array( nTracks );\n\n\t\tconst interpolantSettings = {\n\t\t\tendingStart: ZeroCurvatureEnding,\n\t\t\tendingEnd: ZeroCurvatureEnding\n\t\t};\n\n\t\tfor ( let i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tconst interpolant = tracks[ i ].createInterpolant( null );\n\t\t\tinterpolants[ i ] = interpolant;\n\t\t\tinterpolant.settings = interpolantSettings;\n\n\t\t}\n\n\t\tthis._interpolantSettings = interpolantSettings;\n\n\t\tthis._interpolants = interpolants; // bound by the mixer\n\n\t\t// inside: PropertyMixer (managed by the mixer)\n\t\tthis._propertyBindings = new Array( nTracks );\n\n\t\tthis._cacheIndex = null; // for the memory manager\n\t\tthis._byClipCacheIndex = null; // for the memory manager\n\n\t\tthis._timeScaleInterpolant = null;\n\t\tthis._weightInterpolant = null;\n\n\t\tthis.loop = LoopRepeat;\n\t\tthis._loopCount = - 1;\n\n\t\t// global mixer time when the action is to be started\n\t\t// it's set back to 'null' upon start of the action\n\t\tthis._startTime = null;\n\n\t\t// scaled local time of the action\n\t\t// gets clamped or wrapped to 0..clip.duration according to loop\n\t\tthis.time = 0;\n\n\t\tthis.timeScale = 1;\n\t\tthis._effectiveTimeScale = 1;\n\n\t\tthis.weight = 1;\n\t\tthis._effectiveWeight = 1;\n\n\t\tthis.repetitions = Infinity; // no. of repetitions when looping\n\n\t\tthis.paused = false; // true -> zero effective time scale\n\t\tthis.enabled = true; // false -> zero effective weight\n\n\t\tthis.clampWhenFinished = false;// keep feeding the last frame?\n\n\t\tthis.zeroSlopeAtStart = true;// for smooth interpolation w/o separate\n\t\tthis.zeroSlopeAtEnd = true;// clips for start, loop and end\n\n\t}\n\n\t// State & Scheduling\n\n\tplay() {\n\n\t\tthis._mixer._activateAction( this );\n\n\t\treturn this;\n\n\t}\n\n\tstop() {\n\n\t\tthis._mixer._deactivateAction( this );\n\n\t\treturn this.reset();\n\n\t}\n\n\treset() {\n\n\t\tthis.paused = false;\n\t\tthis.enabled = true;\n\n\t\tthis.time = 0; // restart clip\n\t\tthis._loopCount = - 1;// forget previous loops\n\t\tthis._startTime = null;// forget scheduling\n\n\t\treturn this.stopFading().stopWarping();\n\n\t}\n\n\tisRunning() {\n\n\t\treturn this.enabled && ! this.paused && this.timeScale !== 0 &&\n\t\t\tthis._startTime === null && this._mixer._isActiveAction( this );\n\n\t}\n\n\t// return true when play has been called\n\tisScheduled() {\n\n\t\treturn this._mixer._isActiveAction( this );\n\n\t}\n\n\tstartAt( time ) {\n\n\t\tthis._startTime = time;\n\n\t\treturn this;\n\n\t}\n\n\tsetLoop( mode, repetitions ) {\n\n\t\tthis.loop = mode;\n\t\tthis.repetitions = repetitions;\n\n\t\treturn this;\n\n\t}\n\n\t// Weight\n\n\t// set the weight stopping any scheduled fading\n\t// although .enabled = false yields an effective weight of zero, this\n\t// method does *not* change .enabled, because it would be confusing\n\tsetEffectiveWeight( weight ) {\n\n\t\tthis.weight = weight;\n\n\t\t// note: same logic as when updated at runtime\n\t\tthis._effectiveWeight = this.enabled ? weight : 0;\n\n\t\treturn this.stopFading();\n\n\t}\n\n\t// return the weight considering fading and .enabled\n\tgetEffectiveWeight() {\n\n\t\treturn this._effectiveWeight;\n\n\t}\n\n\tfadeIn( duration ) {\n\n\t\treturn this._scheduleFading( duration, 0, 1 );\n\n\t}\n\n\tfadeOut( duration ) {\n\n\t\treturn this._scheduleFading( duration, 1, 0 );\n\n\t}\n\n\tcrossFadeFrom( fadeOutAction, duration, warp ) {\n\n\t\tfadeOutAction.fadeOut( duration );\n\t\tthis.fadeIn( duration );\n\n\t\tif ( warp ) {\n\n\t\t\tconst fadeInDuration = this._clip.duration,\n\t\t\t\tfadeOutDuration = fadeOutAction._clip.duration,\n\n\t\t\t\tstartEndRatio = fadeOutDuration / fadeInDuration,\n\t\t\t\tendStartRatio = fadeInDuration / fadeOutDuration;\n\n\t\t\tfadeOutAction.warp( 1.0, startEndRatio, duration );\n\t\t\tthis.warp( endStartRatio, 1.0, duration );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcrossFadeTo( fadeInAction, duration, warp ) {\n\n\t\treturn fadeInAction.crossFadeFrom( this, duration, warp );\n\n\t}\n\n\tstopFading() {\n\n\t\tconst weightInterpolant = this._weightInterpolant;\n\n\t\tif ( weightInterpolant !== null ) {\n\n\t\t\tthis._weightInterpolant = null;\n\t\t\tthis._mixer._takeBackControlInterpolant( weightInterpolant );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// Time Scale Control\n\n\t// set the time scale stopping any scheduled warping\n\t// although .paused = true yields an effective time scale of zero, this\n\t// method does *not* change .paused, because it would be confusing\n\tsetEffectiveTimeScale( timeScale ) {\n\n\t\tthis.timeScale = timeScale;\n\t\tthis._effectiveTimeScale = this.paused ? 0 : timeScale;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\t// return the time scale considering warping and .paused\n\tgetEffectiveTimeScale() {\n\n\t\treturn this._effectiveTimeScale;\n\n\t}\n\n\tsetDuration( duration ) {\n\n\t\tthis.timeScale = this._clip.duration / duration;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\tsyncWith( action ) {\n\n\t\tthis.time = action.time;\n\t\tthis.timeScale = action.timeScale;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\thalt( duration ) {\n\n\t\treturn this.warp( this._effectiveTimeScale, 0, duration );\n\n\t}\n\n\twarp( startTimeScale, endTimeScale, duration ) {\n\n\t\tconst mixer = this._mixer,\n\t\t\tnow = mixer.time,\n\t\t\ttimeScale = this.timeScale;\n\n\t\tlet interpolant = this._timeScaleInterpolant;\n\n\t\tif ( interpolant === null ) {\n\n\t\t\tinterpolant = mixer._lendControlInterpolant();\n\t\t\tthis._timeScaleInterpolant = interpolant;\n\n\t\t}\n\n\t\tconst times = interpolant.parameterPositions,\n\t\t\tvalues = interpolant.sampleValues;\n\n\t\ttimes[ 0 ] = now;\n\t\ttimes[ 1 ] = now + duration;\n\n\t\tvalues[ 0 ] = startTimeScale / timeScale;\n\t\tvalues[ 1 ] = endTimeScale / timeScale;\n\n\t\treturn this;\n\n\t}\n\n\tstopWarping() {\n\n\t\tconst timeScaleInterpolant = this._timeScaleInterpolant;\n\n\t\tif ( timeScaleInterpolant !== null ) {\n\n\t\t\tthis._timeScaleInterpolant = null;\n\t\t\tthis._mixer._takeBackControlInterpolant( timeScaleInterpolant );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// Object Accessors\n\n\tgetMixer() {\n\n\t\treturn this._mixer;\n\n\t}\n\n\tgetClip() {\n\n\t\treturn this._clip;\n\n\t}\n\n\tgetRoot() {\n\n\t\treturn this._localRoot || this._mixer._root;\n\n\t}\n\n\t// Interna\n\n\t_update( time, deltaTime, timeDirection, accuIndex ) {\n\n\t\t// called by the mixer\n\n\t\tif ( ! this.enabled ) {\n\n\t\t\t// call ._updateWeight() to update ._effectiveWeight\n\n\t\t\tthis._updateWeight( time );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst startTime = this._startTime;\n\n\t\tif ( startTime !== null ) {\n\n\t\t\t// check for scheduled start of action\n\n\t\t\tconst timeRunning = ( time - startTime ) * timeDirection;\n\t\t\tif ( timeRunning < 0 || timeDirection === 0 ) {\n\n\t\t\t\treturn; // yet to come / don't decide when delta = 0\n\n\t\t\t}\n\n\t\t\t// start\n\n\t\t\tthis._startTime = null; // unschedule\n\t\t\tdeltaTime = timeDirection * timeRunning;\n\n\t\t}\n\n\t\t// apply time scale and advance time\n\n\t\tdeltaTime *= this._updateTimeScale( time );\n\t\tconst clipTime = this._updateTime( deltaTime );\n\n\t\t// note: _updateTime may disable the action resulting in\n\t\t// an effective weight of 0\n\n\t\tconst weight = this._updateWeight( time );\n\n\t\tif ( weight > 0 ) {\n\n\t\t\tconst interpolants = this._interpolants;\n\t\t\tconst propertyMixers = this._propertyBindings;\n\n\t\t\tswitch ( this.blendMode ) {\n\n\t\t\t\tcase AdditiveAnimationBlendMode:\n\n\t\t\t\t\tfor ( let j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\t\tpropertyMixers[ j ].accumulateAdditive( weight );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase NormalAnimationBlendMode:\n\t\t\t\tdefault:\n\n\t\t\t\t\tfor ( let j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\t\tpropertyMixers[ j ].accumulate( accuIndex, weight );\n\n\t\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_updateWeight( time ) {\n\n\t\tlet weight = 0;\n\n\t\tif ( this.enabled ) {\n\n\t\t\tweight = this.weight;\n\t\t\tconst interpolant = this._weightInterpolant;\n\n\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\tconst interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\tweight *= interpolantValue;\n\n\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\tthis.stopFading();\n\n\t\t\t\t\tif ( interpolantValue === 0 ) {\n\n\t\t\t\t\t\t// faded out, disable\n\t\t\t\t\t\tthis.enabled = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis._effectiveWeight = weight;\n\t\treturn weight;\n\n\t}\n\n\t_updateTimeScale( time ) {\n\n\t\tlet timeScale = 0;\n\n\t\tif ( ! this.paused ) {\n\n\t\t\ttimeScale = this.timeScale;\n\n\t\t\tconst interpolant = this._timeScaleInterpolant;\n\n\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\tconst interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\ttimeScale *= interpolantValue;\n\n\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\tthis.stopWarping();\n\n\t\t\t\t\tif ( timeScale === 0 ) {\n\n\t\t\t\t\t\t// motion has halted, pause\n\t\t\t\t\t\tthis.paused = true;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// warp done - apply final time scale\n\t\t\t\t\t\tthis.timeScale = timeScale;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis._effectiveTimeScale = timeScale;\n\t\treturn timeScale;\n\n\t}\n\n\t_updateTime( deltaTime ) {\n\n\t\tconst duration = this._clip.duration;\n\t\tconst loop = this.loop;\n\n\t\tlet time = this.time + deltaTime;\n\t\tlet loopCount = this._loopCount;\n\n\t\tconst pingPong = ( loop === LoopPingPong );\n\n\t\tif ( deltaTime === 0 ) {\n\n\t\t\tif ( loopCount === - 1 ) return time;\n\n\t\t\treturn ( pingPong && ( loopCount & 1 ) === 1 ) ? duration - time : time;\n\n\t\t}\n\n\t\tif ( loop === LoopOnce ) {\n\n\t\t\tif ( loopCount === - 1 ) {\n\n\t\t\t\t// just started\n\n\t\t\t\tthis._loopCount = 0;\n\t\t\t\tthis._setEndings( true, true, false );\n\n\t\t\t}\n\n\t\t\thandle_stop: {\n\n\t\t\t\tif ( time >= duration ) {\n\n\t\t\t\t\ttime = duration;\n\n\t\t\t\t} else if ( time < 0 ) {\n\n\t\t\t\t\ttime = 0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tbreak handle_stop;\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\telse this.enabled = false;\n\n\t\t\t\tthis.time = time;\n\n\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\tdirection: deltaTime < 0 ? - 1 : 1\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t} else { // repetitive Repeat or PingPong\n\n\t\t\tif ( loopCount === - 1 ) {\n\n\t\t\t\t// just started\n\n\t\t\t\tif ( deltaTime >= 0 ) {\n\n\t\t\t\t\tloopCount = 0;\n\n\t\t\t\t\tthis._setEndings( true, this.repetitions === 0, pingPong );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// when looping in reverse direction, the initial\n\t\t\t\t\t// transition through zero counts as a repetition,\n\t\t\t\t\t// so leave loopCount at -1\n\n\t\t\t\t\tthis._setEndings( this.repetitions === 0, true, pingPong );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( time >= duration || time < 0 ) {\n\n\t\t\t\t// wrap around\n\n\t\t\t\tconst loopDelta = Math.floor( time / duration ); // signed\n\t\t\t\ttime -= duration * loopDelta;\n\n\t\t\t\tloopCount += Math.abs( loopDelta );\n\n\t\t\t\tconst pending = this.repetitions - loopCount;\n\n\t\t\t\tif ( pending <= 0 ) {\n\n\t\t\t\t\t// have to stop (switch state, clamp time, fire event)\n\n\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\ttime = deltaTime > 0 ? duration : 0;\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\tdirection: deltaTime > 0 ? 1 : - 1\n\t\t\t\t\t} );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// keep running\n\n\t\t\t\t\tif ( pending === 1 ) {\n\n\t\t\t\t\t\t// entering the last round\n\n\t\t\t\t\t\tconst atStart = deltaTime < 0;\n\t\t\t\t\t\tthis._setEndings( atStart, ! atStart, pingPong );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthis._setEndings( false, false, pingPong );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis._loopCount = loopCount;\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'loop', action: this, loopDelta: loopDelta\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tthis.time = time;\n\n\t\t\t}\n\n\t\t\tif ( pingPong && ( loopCount & 1 ) === 1 ) {\n\n\t\t\t\t// invert time for the \"pong round\"\n\n\t\t\t\treturn duration - time;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn time;\n\n\t}\n\n\t_setEndings( atStart, atEnd, pingPong ) {\n\n\t\tconst settings = this._interpolantSettings;\n\n\t\tif ( pingPong ) {\n\n\t\t\tsettings.endingStart = ZeroSlopeEnding;\n\t\t\tsettings.endingEnd = ZeroSlopeEnding;\n\n\t\t} else {\n\n\t\t\t// assuming for LoopOnce atStart == atEnd == true\n\n\t\t\tif ( atStart ) {\n\n\t\t\t\tsettings.endingStart = this.zeroSlopeAtStart ? ZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t} else {\n\n\t\t\t\tsettings.endingStart = WrapAroundEnding;\n\n\t\t\t}\n\n\t\t\tif ( atEnd ) {\n\n\t\t\t\tsettings.endingEnd = this.zeroSlopeAtEnd ? ZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t} else {\n\n\t\t\t\tsettings.endingEnd \t = WrapAroundEnding;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_scheduleFading( duration, weightNow, weightThen ) {\n\n\t\tconst mixer = this._mixer, now = mixer.time;\n\t\tlet interpolant = this._weightInterpolant;\n\n\t\tif ( interpolant === null ) {\n\n\t\t\tinterpolant = mixer._lendControlInterpolant();\n\t\t\tthis._weightInterpolant = interpolant;\n\n\t\t}\n\n\t\tconst times = interpolant.parameterPositions,\n\t\t\tvalues = interpolant.sampleValues;\n\n\t\ttimes[ 0 ] = now;\n\t\tvalues[ 0 ] = weightNow;\n\t\ttimes[ 1 ] = now + duration;\n\t\tvalues[ 1 ] = weightThen;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass AnimationMixer extends EventDispatcher {\n\n\tconstructor( root ) {\n\n\t\tsuper();\n\n\t\tthis._root = root;\n\t\tthis._initMemoryManager();\n\t\tthis._accuIndex = 0;\n\t\tthis.time = 0;\n\t\tthis.timeScale = 1.0;\n\n\t}\n\n\t_bindAction( action, prototypeAction ) {\n\n\t\tconst root = action._localRoot || this._root,\n\t\t\ttracks = action._clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tbindings = action._propertyBindings,\n\t\t\tinterpolants = action._interpolants,\n\t\t\trootUuid = root.uuid,\n\t\t\tbindingsByRoot = this._bindingsByRootAndName;\n\n\t\tlet bindingsByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingsByName === undefined ) {\n\n\t\t\tbindingsByName = {};\n\t\t\tbindingsByRoot[ rootUuid ] = bindingsByName;\n\n\t\t}\n\n\t\tfor ( let i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tconst track = tracks[ i ],\n\t\t\t\ttrackName = track.name;\n\n\t\t\tlet binding = bindingsByName[ trackName ];\n\n\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t} else {\n\n\t\t\t\tbinding = bindings[ i ];\n\n\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\t// existing binding, make sure the cache knows\n\n\t\t\t\t\tif ( binding._cacheIndex === null ) {\n\n\t\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tconst path = prototypeAction && prototypeAction.\n\t\t\t\t\t_propertyBindings[ i ].binding.parsedPath;\n\n\t\t\t\tbinding = new PropertyMixer(\n\t\t\t\t\tPropertyBinding.create( root, trackName, path ),\n\t\t\t\t\ttrack.ValueTypeName, track.getValueSize() );\n\n\t\t\t\t++ binding.referenceCount;\n\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t}\n\n\t\t\tinterpolants[ i ].resultBuffer = binding.buffer;\n\n\t\t}\n\n\t}\n\n\t_activateAction( action ) {\n\n\t\tif ( ! this._isActiveAction( action ) ) {\n\n\t\t\tif ( action._cacheIndex === null ) {\n\n\t\t\t\t// this action has been forgotten by the cache, but the user\n\t\t\t\t// appears to be still using it -> rebind\n\n\t\t\t\tconst rootUuid = ( action._localRoot || this._root ).uuid,\n\t\t\t\t\tclipUuid = action._clip.uuid,\n\t\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\t\tthis._bindAction( action,\n\t\t\t\t\tactionsForClip && actionsForClip.knownActions[ 0 ] );\n\n\t\t\t\tthis._addInactiveAction( action, clipUuid, rootUuid );\n\n\t\t\t}\n\n\t\t\tconst bindings = action._propertyBindings;\n\n\t\t\t// increment reference counts / sort out state\n\t\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tconst binding = bindings[ i ];\n\n\t\t\t\tif ( binding.useCount ++ === 0 ) {\n\n\t\t\t\t\tthis._lendBinding( binding );\n\t\t\t\t\tbinding.saveOriginalState();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._lendAction( action );\n\n\t\t}\n\n\t}\n\n\t_deactivateAction( action ) {\n\n\t\tif ( this._isActiveAction( action ) ) {\n\n\t\t\tconst bindings = action._propertyBindings;\n\n\t\t\t// decrement reference counts / sort out state\n\t\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tconst binding = bindings[ i ];\n\n\t\t\t\tif ( -- binding.useCount === 0 ) {\n\n\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\tthis._takeBackBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._takeBackAction( action );\n\n\t\t}\n\n\t}\n\n\t// Memory manager\n\n\t_initMemoryManager() {\n\n\t\tthis._actions = []; // 'nActiveActions' followed by inactive ones\n\t\tthis._nActiveActions = 0;\n\n\t\tthis._actionsByClip = {};\n\t\t// inside:\n\t\t// {\n\t\t// \tknownActions: Array< AnimationAction > - used as prototypes\n\t\t// \tactionByRoot: AnimationAction - lookup\n\t\t// }\n\n\n\t\tthis._bindings = []; // 'nActiveBindings' followed by inactive ones\n\t\tthis._nActiveBindings = 0;\n\n\t\tthis._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer >\n\n\n\t\tthis._controlInterpolants = []; // same game as above\n\t\tthis._nActiveControlInterpolants = 0;\n\n\t\tconst scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tactions: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._actions.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveActions;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tbindings: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._bindings.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveBindings;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tcontrolInterpolants: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._controlInterpolants.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveControlInterpolants;\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t// Memory management for AnimationAction objects\n\n\t_isActiveAction( action ) {\n\n\t\tconst index = action._cacheIndex;\n\t\treturn index !== null && index < this._nActiveActions;\n\n\t}\n\n\t_addInactiveAction( action, clipUuid, rootUuid ) {\n\n\t\tconst actions = this._actions,\n\t\t\tactionsByClip = this._actionsByClip;\n\n\t\tlet actionsForClip = actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip === undefined ) {\n\n\t\t\tactionsForClip = {\n\n\t\t\t\tknownActions: [ action ],\n\t\t\t\tactionByRoot: {}\n\n\t\t\t};\n\n\t\t\taction._byClipCacheIndex = 0;\n\n\t\t\tactionsByClip[ clipUuid ] = actionsForClip;\n\n\t\t} else {\n\n\t\t\tconst knownActions = actionsForClip.knownActions;\n\n\t\t\taction._byClipCacheIndex = knownActions.length;\n\t\t\tknownActions.push( action );\n\n\t\t}\n\n\t\taction._cacheIndex = actions.length;\n\t\tactions.push( action );\n\n\t\tactionsForClip.actionByRoot[ rootUuid ] = action;\n\n\t}\n\n\t_removeInactiveAction( action ) {\n\n\t\tconst actions = this._actions,\n\t\t\tlastInactiveAction = actions[ actions.length - 1 ],\n\t\t\tcacheIndex = action._cacheIndex;\n\n\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\tactions.pop();\n\n\t\taction._cacheIndex = null;\n\n\n\t\tconst clipUuid = action._clip.uuid,\n\t\t\tactionsByClip = this._actionsByClip,\n\t\t\tactionsForClip = actionsByClip[ clipUuid ],\n\t\t\tknownActionsForClip = actionsForClip.knownActions,\n\n\t\t\tlastKnownAction =\n\t\t\t\tknownActionsForClip[ knownActionsForClip.length - 1 ],\n\n\t\t\tbyClipCacheIndex = action._byClipCacheIndex;\n\n\t\tlastKnownAction._byClipCacheIndex = byClipCacheIndex;\n\t\tknownActionsForClip[ byClipCacheIndex ] = lastKnownAction;\n\t\tknownActionsForClip.pop();\n\n\t\taction._byClipCacheIndex = null;\n\n\n\t\tconst actionByRoot = actionsForClip.actionByRoot,\n\t\t\trootUuid = ( action._localRoot || this._root ).uuid;\n\n\t\tdelete actionByRoot[ rootUuid ];\n\n\t\tif ( knownActionsForClip.length === 0 ) {\n\n\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t}\n\n\t\tthis._removeInactiveBindingsForAction( action );\n\n\t}\n\n\t_removeInactiveBindingsForAction( action ) {\n\n\t\tconst bindings = action._propertyBindings;\n\n\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tconst binding = bindings[ i ];\n\n\t\t\tif ( -- binding.referenceCount === 0 ) {\n\n\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_lendAction( action ) {\n\n\t\t// [ active actions | inactive actions ]\n\t\t// [ active actions >| inactive actions ]\n\t\t// s a\n\t\t// <-swap->\n\t\t// a s\n\n\t\tconst actions = this._actions,\n\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\tlastActiveIndex = this._nActiveActions ++,\n\n\t\t\tfirstInactiveAction = actions[ lastActiveIndex ];\n\n\t\taction._cacheIndex = lastActiveIndex;\n\t\tactions[ lastActiveIndex ] = action;\n\n\t\tfirstInactiveAction._cacheIndex = prevIndex;\n\t\tactions[ prevIndex ] = firstInactiveAction;\n\n\t}\n\n\t_takeBackAction( action ) {\n\n\t\t// [ active actions | inactive actions ]\n\t\t// [ active actions |< inactive actions ]\n\t\t// a s\n\t\t// <-swap->\n\t\t// s a\n\n\t\tconst actions = this._actions,\n\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveActions,\n\n\t\t\tlastActiveAction = actions[ firstInactiveIndex ];\n\n\t\taction._cacheIndex = firstInactiveIndex;\n\t\tactions[ firstInactiveIndex ] = action;\n\n\t\tlastActiveAction._cacheIndex = prevIndex;\n\t\tactions[ prevIndex ] = lastActiveAction;\n\n\t}\n\n\t// Memory management for PropertyMixer objects\n\n\t_addInactiveBinding( binding, rootUuid, trackName ) {\n\n\t\tconst bindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindings = this._bindings;\n\n\t\tlet bindingByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingByName === undefined ) {\n\n\t\t\tbindingByName = {};\n\t\t\tbindingsByRoot[ rootUuid ] = bindingByName;\n\n\t\t}\n\n\t\tbindingByName[ trackName ] = binding;\n\n\t\tbinding._cacheIndex = bindings.length;\n\t\tbindings.push( binding );\n\n\t}\n\n\t_removeInactiveBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tpropBinding = binding.binding,\n\t\t\trootUuid = propBinding.rootNode.uuid,\n\t\t\ttrackName = propBinding.path,\n\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\tlastInactiveBinding = bindings[ bindings.length - 1 ],\n\t\t\tcacheIndex = binding._cacheIndex;\n\n\t\tlastInactiveBinding._cacheIndex = cacheIndex;\n\t\tbindings[ cacheIndex ] = lastInactiveBinding;\n\t\tbindings.pop();\n\n\t\tdelete bindingByName[ trackName ];\n\n\t\tif ( Object.keys( bindingByName ).length === 0 ) {\n\n\t\t\tdelete bindingsByRoot[ rootUuid ];\n\n\t\t}\n\n\t}\n\n\t_lendBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\tlastActiveIndex = this._nActiveBindings ++,\n\n\t\t\tfirstInactiveBinding = bindings[ lastActiveIndex ];\n\n\t\tbinding._cacheIndex = lastActiveIndex;\n\t\tbindings[ lastActiveIndex ] = binding;\n\n\t\tfirstInactiveBinding._cacheIndex = prevIndex;\n\t\tbindings[ prevIndex ] = firstInactiveBinding;\n\n\t}\n\n\t_takeBackBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveBindings,\n\n\t\t\tlastActiveBinding = bindings[ firstInactiveIndex ];\n\n\t\tbinding._cacheIndex = firstInactiveIndex;\n\t\tbindings[ firstInactiveIndex ] = binding;\n\n\t\tlastActiveBinding._cacheIndex = prevIndex;\n\t\tbindings[ prevIndex ] = lastActiveBinding;\n\n\t}\n\n\n\t// Memory management of Interpolants for weight and time scale\n\n\t_lendControlInterpolant() {\n\n\t\tconst interpolants = this._controlInterpolants,\n\t\t\tlastActiveIndex = this._nActiveControlInterpolants ++;\n\n\t\tlet interpolant = interpolants[ lastActiveIndex ];\n\n\t\tif ( interpolant === undefined ) {\n\n\t\t\tinterpolant = new LinearInterpolant(\n\t\t\t\tnew Float32Array( 2 ), new Float32Array( 2 ),\n\t\t\t\t1, this._controlInterpolantsResultBuffer );\n\n\t\t\tinterpolant.__cacheIndex = lastActiveIndex;\n\t\t\tinterpolants[ lastActiveIndex ] = interpolant;\n\n\t\t}\n\n\t\treturn interpolant;\n\n\t}\n\n\t_takeBackControlInterpolant( interpolant ) {\n\n\t\tconst interpolants = this._controlInterpolants,\n\t\t\tprevIndex = interpolant.__cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveControlInterpolants,\n\n\t\t\tlastActiveInterpolant = interpolants[ firstInactiveIndex ];\n\n\t\tinterpolant.__cacheIndex = firstInactiveIndex;\n\t\tinterpolants[ firstInactiveIndex ] = interpolant;\n\n\t\tlastActiveInterpolant.__cacheIndex = prevIndex;\n\t\tinterpolants[ prevIndex ] = lastActiveInterpolant;\n\n\t}\n\n\t// return an action for a clip optionally using a custom root target\n\t// object (this method allocates a lot of dynamic memory in case a\n\t// previously unknown clip/root combination is specified)\n\tclipAction( clip, optionalRoot, blendMode ) {\n\n\t\tconst root = optionalRoot || this._root,\n\t\t\trootUuid = root.uuid;\n\n\t\tlet clipObject = typeof clip === 'string' ? AnimationClip.findByName( root, clip ) : clip;\n\n\t\tconst clipUuid = clipObject !== null ? clipObject.uuid : clip;\n\n\t\tconst actionsForClip = this._actionsByClip[ clipUuid ];\n\t\tlet prototypeAction = null;\n\n\t\tif ( blendMode === undefined ) {\n\n\t\t\tif ( clipObject !== null ) {\n\n\t\t\t\tblendMode = clipObject.blendMode;\n\n\t\t\t} else {\n\n\t\t\t\tblendMode = NormalAnimationBlendMode;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\tconst existingAction = actionsForClip.actionByRoot[ rootUuid ];\n\n\t\t\tif ( existingAction !== undefined && existingAction.blendMode === blendMode ) {\n\n\t\t\t\treturn existingAction;\n\n\t\t\t}\n\n\t\t\t// we know the clip, so we don't have to parse all\n\t\t\t// the bindings again but can just copy\n\t\t\tprototypeAction = actionsForClip.knownActions[ 0 ];\n\n\t\t\t// also, take the clip from the prototype action\n\t\t\tif ( clipObject === null )\n\t\t\t\tclipObject = prototypeAction._clip;\n\n\t\t}\n\n\t\t// clip must be known when specified via string\n\t\tif ( clipObject === null ) return null;\n\n\t\t// allocate all resources required to run it\n\t\tconst newAction = new AnimationAction( this, clipObject, optionalRoot, blendMode );\n\n\t\tthis._bindAction( newAction, prototypeAction );\n\n\t\t// and make the action known to the memory manager\n\t\tthis._addInactiveAction( newAction, clipUuid, rootUuid );\n\n\t\treturn newAction;\n\n\t}\n\n\t// get an existing action\n\texistingAction( clip, optionalRoot ) {\n\n\t\tconst root = optionalRoot || this._root,\n\t\t\trootUuid = root.uuid,\n\n\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\tclipUuid = clipObject ? clipObject.uuid : clip,\n\n\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\treturn actionsForClip.actionByRoot[ rootUuid ] || null;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\t// deactivates all previously scheduled actions\n\tstopAllAction() {\n\n\t\tconst actions = this._actions,\n\t\t\tnActions = this._nActiveActions;\n\n\t\tfor ( let i = nActions - 1; i >= 0; -- i ) {\n\n\t\t\tactions[ i ].stop();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// advance the time and update apply the animation\n\tupdate( deltaTime ) {\n\n\t\tdeltaTime *= this.timeScale;\n\n\t\tconst actions = this._actions,\n\t\t\tnActions = this._nActiveActions,\n\n\t\t\ttime = this.time += deltaTime,\n\t\t\ttimeDirection = Math.sign( deltaTime ),\n\n\t\t\taccuIndex = this._accuIndex ^= 1;\n\n\t\t// run active actions\n\n\t\tfor ( let i = 0; i !== nActions; ++ i ) {\n\n\t\t\tconst action = actions[ i ];\n\n\t\t\taction._update( time, deltaTime, timeDirection, accuIndex );\n\n\t\t}\n\n\t\t// update scene graph\n\n\t\tconst bindings = this._bindings,\n\t\t\tnBindings = this._nActiveBindings;\n\n\t\tfor ( let i = 0; i !== nBindings; ++ i ) {\n\n\t\t\tbindings[ i ].apply( accuIndex );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// Allows you to seek to a specific time in an animation.\n\tsetTime( timeInSeconds ) {\n\n\t\tthis.time = 0; // Zero out time attribute for AnimationMixer object;\n\t\tfor ( let i = 0; i < this._actions.length; i ++ ) {\n\n\t\t\tthis._actions[ i ].time = 0; // Zero out time attribute for all associated AnimationAction objects.\n\n\t\t}\n\n\t\treturn this.update( timeInSeconds ); // Update used to set exact time. Returns \"this\" AnimationMixer object.\n\n\t}\n\n\t// return this mixer's root target object\n\tgetRoot() {\n\n\t\treturn this._root;\n\n\t}\n\n\t// free all resources specific to a particular clip\n\tuncacheClip( clip ) {\n\n\t\tconst actions = this._actions,\n\t\t\tclipUuid = clip.uuid,\n\t\t\tactionsByClip = this._actionsByClip,\n\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t// note: just calling _removeInactiveAction would mess up the\n\t\t\t// iteration state and also require updating the state we can\n\t\t\t// just throw away\n\n\t\t\tconst actionsToRemove = actionsForClip.knownActions;\n\n\t\t\tfor ( let i = 0, n = actionsToRemove.length; i !== n; ++ i ) {\n\n\t\t\t\tconst action = actionsToRemove[ i ];\n\n\t\t\t\tthis._deactivateAction( action );\n\n\t\t\t\tconst cacheIndex = action._cacheIndex,\n\t\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ];\n\n\t\t\t\taction._cacheIndex = null;\n\t\t\t\taction._byClipCacheIndex = null;\n\n\t\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\t\tactions.pop();\n\n\t\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t\t}\n\n\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t}\n\n\t}\n\n\t// free all resources specific to a particular root target object\n\tuncacheRoot( root ) {\n\n\t\tconst rootUuid = root.uuid,\n\t\t\tactionsByClip = this._actionsByClip;\n\n\t\tfor ( const clipUuid in actionsByClip ) {\n\n\t\t\tconst actionByRoot = actionsByClip[ clipUuid ].actionByRoot,\n\t\t\t\taction = actionByRoot[ rootUuid ];\n\n\t\t\tif ( action !== undefined ) {\n\n\t\t\t\tthis._deactivateAction( action );\n\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst bindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindingByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingByName !== undefined ) {\n\n\t\t\tfor ( const trackName in bindingByName ) {\n\n\t\t\t\tconst binding = bindingByName[ trackName ];\n\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// remove a targeted clip from the cache\n\tuncacheAction( clip, optionalRoot ) {\n\n\t\tconst action = this.existingAction( clip, optionalRoot );\n\n\t\tif ( action !== null ) {\n\n\t\t\tthis._deactivateAction( action );\n\t\t\tthis._removeInactiveAction( action );\n\n\t\t}\n\n\t}\n\n}\n\nAnimationMixer.prototype._controlInterpolantsResultBuffer = new Float32Array( 1 );\n\nclass Uniform {\n\n\tconstructor( value ) {\n\n\t\tif ( typeof value === 'string' ) {\n\n\t\t\tconsole.warn( 'THREE.Uniform: Type parameter is no longer needed.' );\n\t\t\tvalue = arguments[ 1 ];\n\n\t\t}\n\n\t\tthis.value = value;\n\n\t}\n\n\tclone() {\n\n\t\treturn new Uniform( this.value.clone === undefined ? this.value : this.value.clone() );\n\n\t}\n\n}\n\nclass InstancedInterleavedBuffer extends InterleavedBuffer {\n\n\tconstructor( array, stride, meshPerAttribute = 1 ) {\n\n\t\tsuper( array, stride );\n\n\t\tthis.meshPerAttribute = meshPerAttribute;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tconst ib = super.clone( data );\n\n\t\tib.meshPerAttribute = this.meshPerAttribute;\n\n\t\treturn ib;\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tconst json = super.toJSON( data );\n\n\t\tjson.isInstancedInterleavedBuffer = true;\n\t\tjson.meshPerAttribute = this.meshPerAttribute;\n\n\t\treturn json;\n\n\t}\n\n}\n\nInstancedInterleavedBuffer.prototype.isInstancedInterleavedBuffer = true;\n\nclass GLBufferAttribute {\n\n\tconstructor( buffer, type, itemSize, elementSize, count ) {\n\n\t\tthis.buffer = buffer;\n\t\tthis.type = type;\n\t\tthis.itemSize = itemSize;\n\t\tthis.elementSize = elementSize;\n\t\tthis.count = count;\n\n\t\tthis.version = 0;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tsetBuffer( buffer ) {\n\n\t\tthis.buffer = buffer;\n\n\t\treturn this;\n\n\t}\n\n\tsetType( type, elementSize ) {\n\n\t\tthis.type = type;\n\t\tthis.elementSize = elementSize;\n\n\t\treturn this;\n\n\t}\n\n\tsetItemSize( itemSize ) {\n\n\t\tthis.itemSize = itemSize;\n\n\t\treturn this;\n\n\t}\n\n\tsetCount( count ) {\n\n\t\tthis.count = count;\n\n\t\treturn this;\n\n\t}\n\n}\n\nGLBufferAttribute.prototype.isGLBufferAttribute = true;\n\nclass Raycaster {\n\n\tconstructor( origin, direction, near = 0, far = Infinity ) {\n\n\t\tthis.ray = new Ray( origin, direction );\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\t\tthis.camera = null;\n\t\tthis.layers = new Layers();\n\n\t\tthis.params = {\n\t\t\tMesh: {},\n\t\t\tLine: { threshold: 1 },\n\t\t\tLOD: {},\n\t\t\tPoints: { threshold: 1 },\n\t\t\tSprite: {}\n\t\t};\n\n\t}\n\n\tset( origin, direction ) {\n\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.ray.set( origin, direction );\n\n\t}\n\n\tsetFromCamera( coords, camera ) {\n\n\t\tif ( camera && camera.isPerspectiveCamera ) {\n\n\t\t\tthis.ray.origin.setFromMatrixPosition( camera.matrixWorld );\n\t\t\tthis.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize();\n\t\t\tthis.camera = camera;\n\n\t\t} else if ( camera && camera.isOrthographicCamera ) {\n\n\t\t\tthis.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera\n\t\t\tthis.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld );\n\t\t\tthis.camera = camera;\n\n\t\t} else {\n\n\t\t\tconsole.error( 'THREE.Raycaster: Unsupported camera type: ' + camera.type );\n\n\t\t}\n\n\t}\n\n\tintersectObject( object, recursive = true, intersects = [] ) {\n\n\t\tintersectObject( object, this, intersects, recursive );\n\n\t\tintersects.sort( ascSort );\n\n\t\treturn intersects;\n\n\t}\n\n\tintersectObjects( objects, recursive = true, intersects = [] ) {\n\n\t\tfor ( let i = 0, l = objects.length; i < l; i ++ ) {\n\n\t\t\tintersectObject( objects[ i ], this, intersects, recursive );\n\n\t\t}\n\n\t\tintersects.sort( ascSort );\n\n\t\treturn intersects;\n\n\t}\n\n}\n\nfunction ascSort( a, b ) {\n\n\treturn a.distance - b.distance;\n\n}\n\nfunction intersectObject( object, raycaster, intersects, recursive ) {\n\n\tif ( object.layers.test( raycaster.layers ) ) {\n\n\t\tobject.raycast( raycaster, intersects );\n\n\t}\n\n\tif ( recursive === true ) {\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tintersectObject( children[ i ], raycaster, intersects, true );\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system\n *\n * The polar angle (phi) is measured from the positive y-axis. The positive y-axis is up.\n * The azimuthal angle (theta) is measured from the positive z-axis.\n */\n\nclass Spherical {\n\n\tconstructor( radius = 1, phi = 0, theta = 0 ) {\n\n\t\tthis.radius = radius;\n\t\tthis.phi = phi; // polar angle\n\t\tthis.theta = theta; // azimuthal angle\n\n\t\treturn this;\n\n\t}\n\n\tset( radius, phi, theta ) {\n\n\t\tthis.radius = radius;\n\t\tthis.phi = phi;\n\t\tthis.theta = theta;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( other ) {\n\n\t\tthis.radius = other.radius;\n\t\tthis.phi = other.phi;\n\t\tthis.theta = other.theta;\n\n\t\treturn this;\n\n\t}\n\n\t// restrict phi to be betwee EPS and PI-EPS\n\tmakeSafe() {\n\n\t\tconst EPS = 0.000001;\n\t\tthis.phi = Math.max( EPS, Math.min( Math.PI - EPS, this.phi ) );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromVector3( v ) {\n\n\t\treturn this.setFromCartesianCoords( v.x, v.y, v.z );\n\n\t}\n\n\tsetFromCartesianCoords( x, y, z ) {\n\n\t\tthis.radius = Math.sqrt( x * x + y * y + z * z );\n\n\t\tif ( this.radius === 0 ) {\n\n\t\t\tthis.theta = 0;\n\t\t\tthis.phi = 0;\n\n\t\t} else {\n\n\t\t\tthis.theta = Math.atan2( x, z );\n\t\t\tthis.phi = Math.acos( clamp( y / this.radius, - 1, 1 ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\n/**\n * Ref: https://en.wikipedia.org/wiki/Cylindrical_coordinate_system\n */\n\nclass Cylindrical {\n\n\tconstructor( radius = 1, theta = 0, y = 0 ) {\n\n\t\tthis.radius = radius; // distance from the origin to a point in the x-z plane\n\t\tthis.theta = theta; // counterclockwise angle in the x-z plane measured in radians from the positive z-axis\n\t\tthis.y = y; // height above the x-z plane\n\n\t\treturn this;\n\n\t}\n\n\tset( radius, theta, y ) {\n\n\t\tthis.radius = radius;\n\t\tthis.theta = theta;\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( other ) {\n\n\t\tthis.radius = other.radius;\n\t\tthis.theta = other.theta;\n\t\tthis.y = other.y;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromVector3( v ) {\n\n\t\treturn this.setFromCartesianCoords( v.x, v.y, v.z );\n\n\t}\n\n\tsetFromCartesianCoords( x, y, z ) {\n\n\t\tthis.radius = Math.sqrt( x * x + z * z );\n\t\tthis.theta = Math.atan2( x, z );\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _vector$4 = /*@__PURE__*/ new Vector2();\n\nclass Box2 {\n\n\tconstructor( min = new Vector2( + Infinity, + Infinity ), max = new Vector2( - Infinity, - Infinity ) ) {\n\n\t\tthis.min = min;\n\t\tthis.max = max;\n\n\t}\n\n\tset( min, max ) {\n\n\t\tthis.min.copy( min );\n\t\tthis.max.copy( max );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCenterAndSize( center, size ) {\n\n\t\tconst halfSize = _vector$4.copy( size ).multiplyScalar( 0.5 );\n\t\tthis.min.copy( center ).sub( halfSize );\n\t\tthis.max.copy( center ).add( halfSize );\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( box ) {\n\n\t\tthis.min.copy( box.min );\n\t\tthis.max.copy( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tmakeEmpty() {\n\n\t\tthis.min.x = this.min.y = + Infinity;\n\t\tthis.max.x = this.max.y = - Infinity;\n\n\t\treturn this;\n\n\t}\n\n\tisEmpty() {\n\n\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y );\n\n\t}\n\n\tgetCenter( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t}\n\n\tgetSize( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0 ) : target.subVectors( this.max, this.min );\n\n\t}\n\n\texpandByPoint( point ) {\n\n\t\tthis.min.min( point );\n\t\tthis.max.max( point );\n\n\t\treturn this;\n\n\t}\n\n\texpandByVector( vector ) {\n\n\t\tthis.min.sub( vector );\n\t\tthis.max.add( vector );\n\n\t\treturn this;\n\n\t}\n\n\texpandByScalar( scalar ) {\n\n\t\tthis.min.addScalar( - scalar );\n\t\tthis.max.addScalar( scalar );\n\n\t\treturn this;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn point.x < this.min.x || point.x > this.max.x ||\n\t\t\tpoint.y < this.min.y || point.y > this.max.y ? false : true;\n\n\t}\n\n\tcontainsBox( box ) {\n\n\t\treturn this.min.x <= box.min.x && box.max.x <= this.max.x &&\n\t\t\tthis.min.y <= box.min.y && box.max.y <= this.max.y;\n\n\t}\n\n\tgetParameter( point, target ) {\n\n\t\t// This can potentially have a divide by zero if the box\n\t\t// has a size dimension of 0.\n\n\t\treturn target.set(\n\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y )\n\t\t);\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\t// using 4 splitting planes to rule out intersections\n\n\t\treturn box.max.x < this.min.x || box.min.x > this.max.x ||\n\t\t\tbox.max.y < this.min.y || box.min.y > this.max.y ? false : true;\n\n\t}\n\n\tclampPoint( point, target ) {\n\n\t\treturn target.copy( point ).clamp( this.min, this.max );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\tconst clampedPoint = _vector$4.copy( point ).clamp( this.min, this.max );\n\t\treturn clampedPoint.sub( point ).length();\n\n\t}\n\n\tintersect( box ) {\n\n\t\tthis.min.max( box.min );\n\t\tthis.max.min( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tunion( box ) {\n\n\t\tthis.min.min( box.min );\n\t\tthis.max.max( box.max );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.min.add( offset );\n\t\tthis.max.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\tequals( box ) {\n\n\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t}\n\n}\n\nBox2.prototype.isBox2 = true;\n\nconst _startP = /*@__PURE__*/ new Vector3();\nconst _startEnd = /*@__PURE__*/ new Vector3();\n\nclass Line3 {\n\n\tconstructor( start = new Vector3(), end = new Vector3() ) {\n\n\t\tthis.start = start;\n\t\tthis.end = end;\n\n\t}\n\n\tset( start, end ) {\n\n\t\tthis.start.copy( start );\n\t\tthis.end.copy( end );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( line ) {\n\n\t\tthis.start.copy( line.start );\n\t\tthis.end.copy( line.end );\n\n\t\treturn this;\n\n\t}\n\n\tgetCenter( target ) {\n\n\t\treturn target.addVectors( this.start, this.end ).multiplyScalar( 0.5 );\n\n\t}\n\n\tdelta( target ) {\n\n\t\treturn target.subVectors( this.end, this.start );\n\n\t}\n\n\tdistanceSq() {\n\n\t\treturn this.start.distanceToSquared( this.end );\n\n\t}\n\n\tdistance() {\n\n\t\treturn this.start.distanceTo( this.end );\n\n\t}\n\n\tat( t, target ) {\n\n\t\treturn this.delta( target ).multiplyScalar( t ).add( this.start );\n\n\t}\n\n\tclosestPointToPointParameter( point, clampToLine ) {\n\n\t\t_startP.subVectors( point, this.start );\n\t\t_startEnd.subVectors( this.end, this.start );\n\n\t\tconst startEnd2 = _startEnd.dot( _startEnd );\n\t\tconst startEnd_startP = _startEnd.dot( _startP );\n\n\t\tlet t = startEnd_startP / startEnd2;\n\n\t\tif ( clampToLine ) {\n\n\t\t\tt = clamp( t, 0, 1 );\n\n\t\t}\n\n\t\treturn t;\n\n\t}\n\n\tclosestPointToPoint( point, clampToLine, target ) {\n\n\t\tconst t = this.closestPointToPointParameter( point, clampToLine );\n\n\t\treturn this.delta( target ).multiplyScalar( t ).add( this.start );\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tthis.start.applyMatrix4( matrix );\n\t\tthis.end.applyMatrix4( matrix );\n\n\t\treturn this;\n\n\t}\n\n\tequals( line ) {\n\n\t\treturn line.start.equals( this.start ) && line.end.equals( this.end );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _vector$3 = /*@__PURE__*/ new Vector3();\n\nclass SpotLightHelper extends Object3D {\n\n\tconstructor( light, color ) {\n\n\t\tsuper();\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.color = color;\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tconst positions = [\n\t\t\t0, 0, 0, \t0, 0, 1,\n\t\t\t0, 0, 0, \t1, 0, 1,\n\t\t\t0, 0, 0,\t- 1, 0, 1,\n\t\t\t0, 0, 0, \t0, 1, 1,\n\t\t\t0, 0, 0, \t0, - 1, 1\n\t\t];\n\n\t\tfor ( let i = 0, j = 1, l = 32; i < l; i ++, j ++ ) {\n\n\t\t\tconst p1 = ( i / l ) * Math.PI * 2;\n\t\t\tconst p2 = ( j / l ) * Math.PI * 2;\n\n\t\t\tpositions.push(\n\t\t\t\tMath.cos( p1 ), Math.sin( p1 ), 1,\n\t\t\t\tMath.cos( p2 ), Math.sin( p2 ), 1\n\t\t\t);\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { fog: false, toneMapped: false } );\n\n\t\tthis.cone = new LineSegments( geometry, material );\n\t\tthis.add( this.cone );\n\n\t\tthis.update();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.cone.geometry.dispose();\n\t\tthis.cone.material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tthis.light.updateMatrixWorld();\n\n\t\tconst coneLength = this.light.distance ? this.light.distance : 1000;\n\t\tconst coneWidth = coneLength * Math.tan( this.light.angle );\n\n\t\tthis.cone.scale.set( coneWidth, coneWidth, coneLength );\n\n\t\t_vector$3.setFromMatrixPosition( this.light.target.matrixWorld );\n\n\t\tthis.cone.lookAt( _vector$3 );\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.cone.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.cone.material.color.copy( this.light.color );\n\n\t\t}\n\n\t}\n\n}\n\nconst _vector$2 = /*@__PURE__*/ new Vector3();\nconst _boneMatrix = /*@__PURE__*/ new Matrix4();\nconst _matrixWorldInv = /*@__PURE__*/ new Matrix4();\n\n\nclass SkeletonHelper extends LineSegments {\n\n\tconstructor( object ) {\n\n\t\tconst bones = getBoneList( object );\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\tconst color1 = new Color( 0, 0, 1 );\n\t\tconst color2 = new Color( 0, 1, 0 );\n\n\t\tfor ( let i = 0; i < bones.length; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\n\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\tvertices.push( 0, 0, 0 );\n\t\t\t\tvertices.push( 0, 0, 0 );\n\t\t\t\tcolors.push( color1.r, color1.g, color1.b );\n\t\t\t\tcolors.push( color2.r, color2.g, color2.b );\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, depthTest: false, depthWrite: false, toneMapped: false, transparent: true } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'SkeletonHelper';\n\t\tthis.isSkeletonHelper = true;\n\n\t\tthis.root = object;\n\t\tthis.bones = bones;\n\n\t\tthis.matrix = object.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tconst bones = this.bones;\n\n\t\tconst geometry = this.geometry;\n\t\tconst position = geometry.getAttribute( 'position' );\n\n\t\t_matrixWorldInv.copy( this.root.matrixWorld ).invert();\n\n\t\tfor ( let i = 0, j = 0; i < bones.length; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\n\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\t_boneMatrix.multiplyMatrices( _matrixWorldInv, bone.matrixWorld );\n\t\t\t\t_vector$2.setFromMatrixPosition( _boneMatrix );\n\t\t\t\tposition.setXYZ( j, _vector$2.x, _vector$2.y, _vector$2.z );\n\n\t\t\t\t_boneMatrix.multiplyMatrices( _matrixWorldInv, bone.parent.matrixWorld );\n\t\t\t\t_vector$2.setFromMatrixPosition( _boneMatrix );\n\t\t\t\tposition.setXYZ( j + 1, _vector$2.x, _vector$2.y, _vector$2.z );\n\n\t\t\t\tj += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.getAttribute( 'position' ).needsUpdate = true;\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n}\n\n\nfunction getBoneList( object ) {\n\n\tconst boneList = [];\n\n\tif ( object && object.isBone ) {\n\n\t\tboneList.push( object );\n\n\t}\n\n\tfor ( let i = 0; i < object.children.length; i ++ ) {\n\n\t\tboneList.push.apply( boneList, getBoneList( object.children[ i ] ) );\n\n\t}\n\n\treturn boneList;\n\n}\n\nclass PointLightHelper extends Mesh {\n\n\tconstructor( light, sphereSize, color ) {\n\n\t\tconst geometry = new SphereGeometry( sphereSize, 4, 2 );\n\t\tconst material = new MeshBasicMaterial( { wireframe: true, fog: false, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.color = color;\n\n\t\tthis.type = 'PointLightHelper';\n\n\t\tthis.matrix = this.light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\n\t\t/*\n\t// TODO: delete this comment?\n\tconst distanceGeometry = new THREE.IcosahedronBufferGeometry( 1, 2 );\n\tconst distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } );\n\n\tthis.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial );\n\tthis.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial );\n\n\tconst d = light.distance;\n\n\tif ( d === 0.0 ) {\n\n\t\tthis.lightDistance.visible = false;\n\n\t} else {\n\n\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t}\n\n\tthis.add( this.lightDistance );\n\t*/\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.material.color.copy( this.light.color );\n\n\t\t}\n\n\t\t/*\n\t\tconst d = this.light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.visible = true;\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\t\t*/\n\n\t}\n\n}\n\nconst _vector$1 = /*@__PURE__*/ new Vector3();\nconst _color1 = /*@__PURE__*/ new Color();\nconst _color2 = /*@__PURE__*/ new Color();\n\nclass HemisphereLightHelper extends Object3D {\n\n\tconstructor( light, size, color ) {\n\n\t\tsuper();\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.color = color;\n\n\t\tconst geometry = new OctahedronGeometry( size );\n\t\tgeometry.rotateY( Math.PI * 0.5 );\n\n\t\tthis.material = new MeshBasicMaterial( { wireframe: true, fog: false, toneMapped: false } );\n\t\tif ( this.color === undefined ) this.material.vertexColors = true;\n\n\t\tconst position = geometry.getAttribute( 'position' );\n\t\tconst colors = new Float32Array( position.count * 3 );\n\n\t\tgeometry.setAttribute( 'color', new BufferAttribute( colors, 3 ) );\n\n\t\tthis.add( new Mesh( geometry, this.material ) );\n\n\t\tthis.update();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.children[ 0 ].geometry.dispose();\n\t\tthis.children[ 0 ].material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tconst mesh = this.children[ 0 ];\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tconst colors = mesh.geometry.getAttribute( 'color' );\n\n\t\t\t_color1.copy( this.light.color );\n\t\t\t_color2.copy( this.light.groundColor );\n\n\t\t\tfor ( let i = 0, l = colors.count; i < l; i ++ ) {\n\n\t\t\t\tconst color = ( i < ( l / 2 ) ) ? _color1 : _color2;\n\n\t\t\t\tcolors.setXYZ( i, color.r, color.g, color.b );\n\n\t\t\t}\n\n\t\t\tcolors.needsUpdate = true;\n\n\t\t}\n\n\t\tmesh.lookAt( _vector$1.setFromMatrixPosition( this.light.matrixWorld ).negate() );\n\n\t}\n\n}\n\nclass GridHelper extends LineSegments {\n\n\tconstructor( size = 10, divisions = 10, color1 = 0x444444, color2 = 0x888888 ) {\n\n\t\tcolor1 = new Color( color1 );\n\t\tcolor2 = new Color( color2 );\n\n\t\tconst center = divisions / 2;\n\t\tconst step = size / divisions;\n\t\tconst halfSize = size / 2;\n\n\t\tconst vertices = [], colors = [];\n\n\t\tfor ( let i = 0, j = 0, k = - halfSize; i <= divisions; i ++, k += step ) {\n\n\t\t\tvertices.push( - halfSize, 0, k, halfSize, 0, k );\n\t\t\tvertices.push( k, 0, - halfSize, k, 0, halfSize );\n\n\t\t\tconst color = i === center ? color1 : color2;\n\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\n\t\t}\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'GridHelper';\n\n\t}\n\n}\n\nclass PolarGridHelper extends LineSegments {\n\n\tconstructor( radius = 10, radials = 16, circles = 8, divisions = 64, color1 = 0x444444, color2 = 0x888888 ) {\n\n\t\tcolor1 = new Color( color1 );\n\t\tcolor2 = new Color( color2 );\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\t// create the radials\n\n\t\tfor ( let i = 0; i <= radials; i ++ ) {\n\n\t\t\tconst v = ( i / radials ) * ( Math.PI * 2 );\n\n\t\t\tconst x = Math.sin( v ) * radius;\n\t\t\tconst z = Math.cos( v ) * radius;\n\n\t\t\tvertices.push( 0, 0, 0 );\n\t\t\tvertices.push( x, 0, z );\n\n\t\t\tconst color = ( i & 1 ) ? color1 : color2;\n\n\t\t\tcolors.push( color.r, color.g, color.b );\n\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t}\n\n\t\t// create the circles\n\n\t\tfor ( let i = 0; i <= circles; i ++ ) {\n\n\t\t\tconst color = ( i & 1 ) ? color1 : color2;\n\n\t\t\tconst r = radius - ( radius / circles * i );\n\n\t\t\tfor ( let j = 0; j < divisions; j ++ ) {\n\n\t\t\t\t// first vertex\n\n\t\t\t\tlet v = ( j / divisions ) * ( Math.PI * 2 );\n\n\t\t\t\tlet x = Math.sin( v ) * r;\n\t\t\t\tlet z = Math.cos( v ) * r;\n\n\t\t\t\tvertices.push( x, 0, z );\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\t\t// second vertex\n\n\t\t\t\tv = ( ( j + 1 ) / divisions ) * ( Math.PI * 2 );\n\n\t\t\t\tx = Math.sin( v ) * r;\n\t\t\t\tz = Math.cos( v ) * r;\n\n\t\t\t\tvertices.push( x, 0, z );\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'PolarGridHelper';\n\n\t}\n\n}\n\nconst _v1 = /*@__PURE__*/ new Vector3();\nconst _v2 = /*@__PURE__*/ new Vector3();\nconst _v3 = /*@__PURE__*/ new Vector3();\n\nclass DirectionalLightHelper extends Object3D {\n\n\tconstructor( light, size, color ) {\n\n\t\tsuper();\n\t\tthis.light = light;\n\t\tthis.light.updateMatrixWorld();\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.color = color;\n\n\t\tif ( size === undefined ) size = 1;\n\n\t\tlet geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( [\n\t\t\t- size, size, 0,\n\t\t\tsize, size, 0,\n\t\t\tsize, - size, 0,\n\t\t\t- size, - size, 0,\n\t\t\t- size, size, 0\n\t\t], 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { fog: false, toneMapped: false } );\n\n\t\tthis.lightPlane = new Line( geometry, material );\n\t\tthis.add( this.lightPlane );\n\n\t\tgeometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) );\n\n\t\tthis.targetLine = new Line( geometry, material );\n\t\tthis.add( this.targetLine );\n\n\t\tthis.update();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.lightPlane.geometry.dispose();\n\t\tthis.lightPlane.material.dispose();\n\t\tthis.targetLine.geometry.dispose();\n\t\tthis.targetLine.material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\t_v1.setFromMatrixPosition( this.light.matrixWorld );\n\t\t_v2.setFromMatrixPosition( this.light.target.matrixWorld );\n\t\t_v3.subVectors( _v2, _v1 );\n\n\t\tthis.lightPlane.lookAt( _v2 );\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.lightPlane.material.color.set( this.color );\n\t\t\tthis.targetLine.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.lightPlane.material.color.copy( this.light.color );\n\t\t\tthis.targetLine.material.color.copy( this.light.color );\n\n\t\t}\n\n\t\tthis.targetLine.lookAt( _v2 );\n\t\tthis.targetLine.scale.z = _v3.length();\n\n\t}\n\n}\n\nconst _vector = /*@__PURE__*/ new Vector3();\nconst _camera = /*@__PURE__*/ new Camera();\n\n/**\n *\t- shows frustum, line of sight and up of the camera\n *\t- suitable for fast updates\n * \t- based on frustum visualization in lightgl.js shadowmap example\n *\t\thttp://evanw.github.com/lightgl.js/tests/shadowmap.html\n */\n\nclass CameraHelper extends LineSegments {\n\n\tconstructor( camera ) {\n\n\t\tconst geometry = new BufferGeometry();\n\t\tconst material = new LineBasicMaterial( { color: 0xffffff, vertexColors: true, toneMapped: false } );\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\tconst pointMap = {};\n\n\t\t// colors\n\n\t\tconst colorFrustum = new Color( 0xffaa00 );\n\t\tconst colorCone = new Color( 0xff0000 );\n\t\tconst colorUp = new Color( 0x00aaff );\n\t\tconst colorTarget = new Color( 0xffffff );\n\t\tconst colorCross = new Color( 0x333333 );\n\n\t\t// near\n\n\t\taddLine( 'n1', 'n2', colorFrustum );\n\t\taddLine( 'n2', 'n4', colorFrustum );\n\t\taddLine( 'n4', 'n3', colorFrustum );\n\t\taddLine( 'n3', 'n1', colorFrustum );\n\n\t\t// far\n\n\t\taddLine( 'f1', 'f2', colorFrustum );\n\t\taddLine( 'f2', 'f4', colorFrustum );\n\t\taddLine( 'f4', 'f3', colorFrustum );\n\t\taddLine( 'f3', 'f1', colorFrustum );\n\n\t\t// sides\n\n\t\taddLine( 'n1', 'f1', colorFrustum );\n\t\taddLine( 'n2', 'f2', colorFrustum );\n\t\taddLine( 'n3', 'f3', colorFrustum );\n\t\taddLine( 'n4', 'f4', colorFrustum );\n\n\t\t// cone\n\n\t\taddLine( 'p', 'n1', colorCone );\n\t\taddLine( 'p', 'n2', colorCone );\n\t\taddLine( 'p', 'n3', colorCone );\n\t\taddLine( 'p', 'n4', colorCone );\n\n\t\t// up\n\n\t\taddLine( 'u1', 'u2', colorUp );\n\t\taddLine( 'u2', 'u3', colorUp );\n\t\taddLine( 'u3', 'u1', colorUp );\n\n\t\t// target\n\n\t\taddLine( 'c', 't', colorTarget );\n\t\taddLine( 'p', 'c', colorCross );\n\n\t\t// cross\n\n\t\taddLine( 'cn1', 'cn2', colorCross );\n\t\taddLine( 'cn3', 'cn4', colorCross );\n\n\t\taddLine( 'cf1', 'cf2', colorCross );\n\t\taddLine( 'cf3', 'cf4', colorCross );\n\n\t\tfunction addLine( a, b, color ) {\n\n\t\t\taddPoint( a, color );\n\t\t\taddPoint( b, color );\n\n\t\t}\n\n\t\tfunction addPoint( id, color ) {\n\n\t\t\tvertices.push( 0, 0, 0 );\n\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\tif ( pointMap[ id ] === undefined ) {\n\n\t\t\t\tpointMap[ id ] = [];\n\n\t\t\t}\n\n\t\t\tpointMap[ id ].push( ( vertices.length / 3 ) - 1 );\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'CameraHelper';\n\n\t\tthis.camera = camera;\n\t\tif ( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix();\n\n\t\tthis.matrix = camera.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.pointMap = pointMap;\n\n\t\tthis.update();\n\n\t}\n\n\tupdate() {\n\n\t\tconst geometry = this.geometry;\n\t\tconst pointMap = this.pointMap;\n\n\t\tconst w = 1, h = 1;\n\n\t\t// we need just camera projection matrix inverse\n\t\t// world matrix must be identity\n\n\t\t_camera.projectionMatrixInverse.copy( this.camera.projectionMatrixInverse );\n\n\t\t// center / target\n\n\t\tsetPoint( 'c', pointMap, geometry, _camera, 0, 0, - 1 );\n\t\tsetPoint( 't', pointMap, geometry, _camera, 0, 0, 1 );\n\n\t\t// near\n\n\t\tsetPoint( 'n1', pointMap, geometry, _camera, - w, - h, - 1 );\n\t\tsetPoint( 'n2', pointMap, geometry, _camera, w, - h, - 1 );\n\t\tsetPoint( 'n3', pointMap, geometry, _camera, - w, h, - 1 );\n\t\tsetPoint( 'n4', pointMap, geometry, _camera, w, h, - 1 );\n\n\t\t// far\n\n\t\tsetPoint( 'f1', pointMap, geometry, _camera, - w, - h, 1 );\n\t\tsetPoint( 'f2', pointMap, geometry, _camera, w, - h, 1 );\n\t\tsetPoint( 'f3', pointMap, geometry, _camera, - w, h, 1 );\n\t\tsetPoint( 'f4', pointMap, geometry, _camera, w, h, 1 );\n\n\t\t// up\n\n\t\tsetPoint( 'u1', pointMap, geometry, _camera, w * 0.7, h * 1.1, - 1 );\n\t\tsetPoint( 'u2', pointMap, geometry, _camera, - w * 0.7, h * 1.1, - 1 );\n\t\tsetPoint( 'u3', pointMap, geometry, _camera, 0, h * 2, - 1 );\n\n\t\t// cross\n\n\t\tsetPoint( 'cf1', pointMap, geometry, _camera, - w, 0, 1 );\n\t\tsetPoint( 'cf2', pointMap, geometry, _camera, w, 0, 1 );\n\t\tsetPoint( 'cf3', pointMap, geometry, _camera, 0, - h, 1 );\n\t\tsetPoint( 'cf4', pointMap, geometry, _camera, 0, h, 1 );\n\n\t\tsetPoint( 'cn1', pointMap, geometry, _camera, - w, 0, - 1 );\n\t\tsetPoint( 'cn2', pointMap, geometry, _camera, w, 0, - 1 );\n\t\tsetPoint( 'cn3', pointMap, geometry, _camera, 0, - h, - 1 );\n\t\tsetPoint( 'cn4', pointMap, geometry, _camera, 0, h, - 1 );\n\n\t\tgeometry.getAttribute( 'position' ).needsUpdate = true;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\n\nfunction setPoint( point, pointMap, geometry, camera, x, y, z ) {\n\n\t_vector.set( x, y, z ).unproject( camera );\n\n\tconst points = pointMap[ point ];\n\n\tif ( points !== undefined ) {\n\n\t\tconst position = geometry.getAttribute( 'position' );\n\n\t\tfor ( let i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\tposition.setXYZ( points[ i ], _vector.x, _vector.y, _vector.z );\n\n\t\t}\n\n\t}\n\n}\n\nconst _box = /*@__PURE__*/ new Box3();\n\nclass BoxHelper extends LineSegments {\n\n\tconstructor( object, color = 0xffff00 ) {\n\n\t\tconst indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\t\tconst positions = new Float32Array( 8 * 3 );\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tgeometry.setAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.object = object;\n\t\tthis.type = 'BoxHelper';\n\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\tupdate( object ) {\n\n\t\tif ( object !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.BoxHelper: .update() has no longer arguments.' );\n\n\t\t}\n\n\t\tif ( this.object !== undefined ) {\n\n\t\t\t_box.setFromObject( this.object );\n\n\t\t}\n\n\t\tif ( _box.isEmpty() ) return;\n\n\t\tconst min = _box.min;\n\t\tconst max = _box.max;\n\n\t\t/*\n\t\t\t5____4\n\t\t1/___0/|\n\t\t| 6__|_7\n\t\t2/___3/\n\n\t\t0: max.x, max.y, max.z\n\t\t1: min.x, max.y, max.z\n\t\t2: min.x, min.y, max.z\n\t\t3: max.x, min.y, max.z\n\t\t4: max.x, max.y, min.z\n\t\t5: min.x, max.y, min.z\n\t\t6: min.x, min.y, min.z\n\t\t7: max.x, min.y, min.z\n\t\t*/\n\n\t\tconst position = this.geometry.attributes.position;\n\t\tconst array = position.array;\n\n\t\tarray[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z;\n\t\tarray[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z;\n\t\tarray[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z;\n\t\tarray[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z;\n\t\tarray[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z;\n\t\tarray[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z;\n\t\tarray[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z;\n\t\tarray[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z;\n\n\t\tposition.needsUpdate = true;\n\n\t\tthis.geometry.computeBoundingSphere();\n\n\n\t}\n\n\tsetFromObject( object ) {\n\n\t\tthis.object = object;\n\t\tthis.update();\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tLineSegments.prototype.copy.call( this, source );\n\n\t\tthis.object = source.object;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass Box3Helper extends LineSegments {\n\n\tconstructor( box, color = 0xffff00 ) {\n\n\t\tconst indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\n\t\tconst positions = [ 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, - 1, 1, 1, 1, - 1, - 1, 1, - 1, - 1, - 1, - 1, 1, - 1, - 1 ];\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.box = box;\n\n\t\tthis.type = 'Box3Helper';\n\n\t\tthis.geometry.computeBoundingSphere();\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tconst box = this.box;\n\n\t\tif ( box.isEmpty() ) return;\n\n\t\tbox.getCenter( this.position );\n\n\t\tbox.getSize( this.scale );\n\n\t\tthis.scale.multiplyScalar( 0.5 );\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n}\n\nclass PlaneHelper extends Line {\n\n\tconstructor( plane, size = 1, hex = 0xffff00 ) {\n\n\t\tconst color = hex;\n\n\t\tconst positions = [ 1, - 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, - 1, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0 ];\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\t\tgeometry.computeBoundingSphere();\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.type = 'PlaneHelper';\n\n\t\tthis.plane = plane;\n\n\t\tthis.size = size;\n\n\t\tconst positions2 = [ 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, 1, 1, - 1, - 1, 1, 1, - 1, 1 ];\n\n\t\tconst geometry2 = new BufferGeometry();\n\t\tgeometry2.setAttribute( 'position', new Float32BufferAttribute( positions2, 3 ) );\n\t\tgeometry2.computeBoundingSphere();\n\n\t\tthis.add( new Mesh( geometry2, new MeshBasicMaterial( { color: color, opacity: 0.2, transparent: true, depthWrite: false, toneMapped: false } ) ) );\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tlet scale = - this.plane.constant;\n\n\t\tif ( Math.abs( scale ) < 1e-8 ) scale = 1e-8; // sign does not matter\n\n\t\tthis.scale.set( 0.5 * this.size, 0.5 * this.size, scale );\n\n\t\tthis.children[ 0 ].material.side = ( scale < 0 ) ? BackSide : FrontSide; // renderer flips side when determinant < 0; flipping not wanted here\n\n\t\tthis.lookAt( this.plane.normal );\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n}\n\nconst _axis = /*@__PURE__*/ new Vector3();\nlet _lineGeometry, _coneGeometry;\n\nclass ArrowHelper extends Object3D {\n\n\t// dir is assumed to be normalized\n\n\tconstructor( dir = new Vector3( 0, 0, 1 ), origin = new Vector3( 0, 0, 0 ), length = 1, color = 0xffff00, headLength = length * 0.2, headWidth = headLength * 0.2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ArrowHelper';\n\n\t\tif ( _lineGeometry === undefined ) {\n\n\t\t\t_lineGeometry = new BufferGeometry();\n\t\t\t_lineGeometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) );\n\n\t\t\t_coneGeometry = new CylinderGeometry( 0, 0.5, 1, 5, 1 );\n\t\t\t_coneGeometry.translate( 0, - 0.5, 0 );\n\n\t\t}\n\n\t\tthis.position.copy( origin );\n\n\t\tthis.line = new Line( _lineGeometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\t\tthis.line.matrixAutoUpdate = false;\n\t\tthis.add( this.line );\n\n\t\tthis.cone = new Mesh( _coneGeometry, new MeshBasicMaterial( { color: color, toneMapped: false } ) );\n\t\tthis.cone.matrixAutoUpdate = false;\n\t\tthis.add( this.cone );\n\n\t\tthis.setDirection( dir );\n\t\tthis.setLength( length, headLength, headWidth );\n\n\t}\n\n\tsetDirection( dir ) {\n\n\t\t// dir is assumed to be normalized\n\n\t\tif ( dir.y > 0.99999 ) {\n\n\t\t\tthis.quaternion.set( 0, 0, 0, 1 );\n\n\t\t} else if ( dir.y < - 0.99999 ) {\n\n\t\t\tthis.quaternion.set( 1, 0, 0, 0 );\n\n\t\t} else {\n\n\t\t\t_axis.set( dir.z, 0, - dir.x ).normalize();\n\n\t\t\tconst radians = Math.acos( dir.y );\n\n\t\t\tthis.quaternion.setFromAxisAngle( _axis, radians );\n\n\t\t}\n\n\t}\n\n\tsetLength( length, headLength = length * 0.2, headWidth = headLength * 0.2 ) {\n\n\t\tthis.line.scale.set( 1, Math.max( 0.0001, length - headLength ), 1 ); // see #17458\n\t\tthis.line.updateMatrix();\n\n\t\tthis.cone.scale.set( headWidth, headLength, headWidth );\n\t\tthis.cone.position.y = length;\n\t\tthis.cone.updateMatrix();\n\n\t}\n\n\tsetColor( color ) {\n\n\t\tthis.line.material.color.set( color );\n\t\tthis.cone.material.color.set( color );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source, false );\n\n\t\tthis.line.copy( source.line );\n\t\tthis.cone.copy( source.cone );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass AxesHelper extends LineSegments {\n\n\tconstructor( size = 1 ) {\n\n\t\tconst vertices = [\n\t\t\t0, 0, 0,\tsize, 0, 0,\n\t\t\t0, 0, 0,\t0, size, 0,\n\t\t\t0, 0, 0,\t0, 0, size\n\t\t];\n\n\t\tconst colors = [\n\t\t\t1, 0, 0,\t1, 0.6, 0,\n\t\t\t0, 1, 0,\t0.6, 1, 0,\n\t\t\t0, 0, 1,\t0, 0.6, 1\n\t\t];\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'AxesHelper';\n\n\t}\n\n\tsetColors( xAxisColor, yAxisColor, zAxisColor ) {\n\n\t\tconst color = new Color();\n\t\tconst array = this.geometry.attributes.color.array;\n\n\t\tcolor.set( xAxisColor );\n\t\tcolor.toArray( array, 0 );\n\t\tcolor.toArray( array, 3 );\n\n\t\tcolor.set( yAxisColor );\n\t\tcolor.toArray( array, 6 );\n\t\tcolor.toArray( array, 9 );\n\n\t\tcolor.set( zAxisColor );\n\t\tcolor.toArray( array, 12 );\n\t\tcolor.toArray( array, 15 );\n\n\t\tthis.geometry.attributes.color.needsUpdate = true;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\nclass ShapePath {\n\n\tconstructor() {\n\n\t\tthis.type = 'ShapePath';\n\n\t\tthis.color = new Color();\n\n\t\tthis.subPaths = [];\n\t\tthis.currentPath = null;\n\n\t}\n\n\tmoveTo( x, y ) {\n\n\t\tthis.currentPath = new Path();\n\t\tthis.subPaths.push( this.currentPath );\n\t\tthis.currentPath.moveTo( x, y );\n\n\t\treturn this;\n\n\t}\n\n\tlineTo( x, y ) {\n\n\t\tthis.currentPath.lineTo( x, y );\n\n\t\treturn this;\n\n\t}\n\n\tquadraticCurveTo( aCPx, aCPy, aX, aY ) {\n\n\t\tthis.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tbezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\tthis.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tsplineThru( pts ) {\n\n\t\tthis.currentPath.splineThru( pts );\n\n\t\treturn this;\n\n\t}\n\n\ttoShapes( isCCW, noHoles ) {\n\n\t\tfunction toShapesNoHoles( inSubpaths ) {\n\n\t\t\tconst shapes = [];\n\n\t\t\tfor ( let i = 0, l = inSubpaths.length; i < l; i ++ ) {\n\n\t\t\t\tconst tmpPath = inSubpaths[ i ];\n\n\t\t\t\tconst tmpShape = new Shape();\n\t\t\t\ttmpShape.curves = tmpPath.curves;\n\n\t\t\t\tshapes.push( tmpShape );\n\n\t\t\t}\n\n\t\t\treturn shapes;\n\n\t\t}\n\n\t\tfunction isPointInsidePolygon( inPt, inPolygon ) {\n\n\t\t\tconst polyLen = inPolygon.length;\n\n\t\t\t// inPt on polygon contour => immediate success or\n\t\t\t// toggling of inside/outside at every single! intersection point of an edge\n\t\t\t// with the horizontal line through inPt, left of inPt\n\t\t\t// not counting lowerY endpoints of edges and whole edges on that line\n\t\t\tlet inside = false;\n\t\t\tfor ( let p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) {\n\n\t\t\t\tlet edgeLowPt = inPolygon[ p ];\n\t\t\t\tlet edgeHighPt = inPolygon[ q ];\n\n\t\t\t\tlet edgeDx = edgeHighPt.x - edgeLowPt.x;\n\t\t\t\tlet edgeDy = edgeHighPt.y - edgeLowPt.y;\n\n\t\t\t\tif ( Math.abs( edgeDy ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not parallel\n\t\t\t\t\tif ( edgeDy < 0 ) {\n\n\t\t\t\t\t\tedgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx;\n\t\t\t\t\t\tedgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) \t\tcontinue;\n\n\t\t\t\t\tif ( inPt.y === edgeLowPt.y ) {\n\n\t\t\t\t\t\tif ( inPt.x === edgeLowPt.x )\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t// continue;\t\t\t\t// no intersection or edgeLowPt => doesn't count !!!\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y );\n\t\t\t\t\t\tif ( perpEdge === 0 )\t\t\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\tif ( perpEdge < 0 ) \t\t\t\tcontinue;\n\t\t\t\t\t\tinside = ! inside;\t\t// true intersection left of inPt\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// parallel or collinear\n\t\t\t\t\tif ( inPt.y !== edgeLowPt.y ) \t\tcontinue;\t\t\t// parallel\n\t\t\t\t\t// edge lies on the same horizontal line as inPt\n\t\t\t\t\tif ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) ||\n\t\t\t\t\t\t ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) )\t\treturn\ttrue;\t// inPt: Point on contour !\n\t\t\t\t\t// continue;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn\tinside;\n\n\t\t}\n\n\t\tconst isClockWise = ShapeUtils.isClockWise;\n\n\t\tconst subPaths = this.subPaths;\n\t\tif ( subPaths.length === 0 ) return [];\n\n\t\tif ( noHoles === true )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\tlet solid, tmpPath, tmpShape;\n\t\tconst shapes = [];\n\n\t\tif ( subPaths.length === 1 ) {\n\n\t\t\ttmpPath = subPaths[ 0 ];\n\t\t\ttmpShape = new Shape();\n\t\t\ttmpShape.curves = tmpPath.curves;\n\t\t\tshapes.push( tmpShape );\n\t\t\treturn shapes;\n\n\t\t}\n\n\t\tlet holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() );\n\t\tholesFirst = isCCW ? ! holesFirst : holesFirst;\n\n\t\t// console.log(\"Holes first\", holesFirst);\n\n\t\tconst betterShapeHoles = [];\n\t\tconst newShapes = [];\n\t\tlet newShapeHoles = [];\n\t\tlet mainIdx = 0;\n\t\tlet tmpPoints;\n\n\t\tnewShapes[ mainIdx ] = undefined;\n\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\tfor ( let i = 0, l = subPaths.length; i < l; i ++ ) {\n\n\t\t\ttmpPath = subPaths[ i ];\n\t\t\ttmpPoints = tmpPath.getPoints();\n\t\t\tsolid = isClockWise( tmpPoints );\n\t\t\tsolid = isCCW ? ! solid : solid;\n\n\t\t\tif ( solid ) {\n\n\t\t\t\tif ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) )\tmainIdx ++;\n\n\t\t\t\tnewShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints };\n\t\t\t\tnewShapes[ mainIdx ].s.curves = tmpPath.curves;\n\n\t\t\t\tif ( holesFirst )\tmainIdx ++;\n\t\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\t\t//console.log('cw', i);\n\n\t\t\t} else {\n\n\t\t\t\tnewShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } );\n\n\t\t\t\t//console.log('ccw', i);\n\n\t\t\t}\n\n\t\t}\n\n\t\t// only Holes? -> probably all Shapes with wrong orientation\n\t\tif ( ! newShapes[ 0 ] )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\tif ( newShapes.length > 1 ) {\n\n\t\t\tlet ambiguous = false;\n\t\t\tconst toChange = [];\n\n\t\t\tfor ( let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\tbetterShapeHoles[ sIdx ] = [];\n\n\t\t\t}\n\n\t\t\tfor ( let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\tconst sho = newShapeHoles[ sIdx ];\n\n\t\t\t\tfor ( let hIdx = 0; hIdx < sho.length; hIdx ++ ) {\n\n\t\t\t\t\tconst ho = sho[ hIdx ];\n\t\t\t\t\tlet hole_unassigned = true;\n\n\t\t\t\t\tfor ( let s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) {\n\n\t\t\t\t\t\tif ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) {\n\n\t\t\t\t\t\t\tif ( sIdx !== s2Idx )\ttoChange.push( { froms: sIdx, tos: s2Idx, hole: hIdx } );\n\t\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\t\thole_unassigned = false;\n\t\t\t\t\t\t\t\tbetterShapeHoles[ s2Idx ].push( ho );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tambiguous = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\tbetterShapeHoles[ sIdx ].push( ho );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t\t// console.log(\"ambiguous: \", ambiguous);\n\n\t\t\tif ( toChange.length > 0 ) {\n\n\t\t\t\t// console.log(\"to change: \", toChange);\n\t\t\t\tif ( ! ambiguous )\tnewShapeHoles = betterShapeHoles;\n\n\t\t\t}\n\n\t\t}\n\n\t\tlet tmpHoles;\n\n\t\tfor ( let i = 0, il = newShapes.length; i < il; i ++ ) {\n\n\t\t\ttmpShape = newShapes[ i ].s;\n\t\t\tshapes.push( tmpShape );\n\t\t\ttmpHoles = newShapeHoles[ i ];\n\n\t\t\tfor ( let j = 0, jl = tmpHoles.length; j < jl; j ++ ) {\n\n\t\t\t\ttmpShape.holes.push( tmpHoles[ j ].h );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//console.log(\"shape\", shapes);\n\n\t\treturn shapes;\n\n\t}\n\n}\n\nconst _floatView = new Float32Array( 1 );\nconst _int32View = new Int32Array( _floatView.buffer );\n\nclass DataUtils {\n\n\t// Converts float32 to float16 (stored as uint16 value).\n\n\tstatic toHalfFloat( val ) {\n\n\t\tif ( val > 65504 ) {\n\n\t\t\tconsole.warn( 'THREE.DataUtils.toHalfFloat(): value exceeds 65504.' );\n\n\t\t\tval = 65504; // maximum representable value in float16\n\n\t\t}\n\n\t\t// Source: http://gamedev.stackexchange.com/questions/17326/conversion-of-a-number-from-single-precision-floating-point-representation-to-a/17410#17410\n\n\t\t/* This method is faster than the OpenEXR implementation (very often\n\t\t* used, eg. in Ogre), with the additional benefit of rounding, inspired\n\t\t* by James Tursa?s half-precision code. */\n\n\t\t_floatView[ 0 ] = val;\n\t\tconst x = _int32View[ 0 ];\n\n\t\tlet bits = ( x >> 16 ) & 0x8000; /* Get the sign */\n\t\tlet m = ( x >> 12 ) & 0x07ff; /* Keep one extra bit for rounding */\n\t\tconst e = ( x >> 23 ) & 0xff; /* Using int is faster here */\n\n\t\t/* If zero, or denormal, or exponent underflows too much for a denormal\n\t\t\t* half, return signed zero. */\n\t\tif ( e < 103 ) return bits;\n\n\t\t/* If NaN, return NaN. If Inf or exponent overflow, return Inf. */\n\t\tif ( e > 142 ) {\n\n\t\t\tbits |= 0x7c00;\n\t\t\t/* If exponent was 0xff and one mantissa bit was set, it means NaN,\n\t\t\t\t\t\t* not Inf, so make sure we set one mantissa bit too. */\n\t\t\tbits |= ( ( e == 255 ) ? 0 : 1 ) && ( x & 0x007fffff );\n\t\t\treturn bits;\n\n\t\t}\n\n\t\t/* If exponent underflows but not too much, return a denormal */\n\t\tif ( e < 113 ) {\n\n\t\t\tm |= 0x0800;\n\t\t\t/* Extra rounding may overflow and set mantissa to 0 and exponent\n\t\t\t\t* to 1, which is OK. */\n\t\t\tbits |= ( m >> ( 114 - e ) ) + ( ( m >> ( 113 - e ) ) & 1 );\n\t\t\treturn bits;\n\n\t\t}\n\n\t\tbits |= ( ( e - 112 ) << 10 ) | ( m >> 1 );\n\t\t/* Extra rounding. An overflow will set mantissa to 0 and increment\n\t\t\t* the exponent, which is OK. */\n\t\tbits += m & 1;\n\t\treturn bits;\n\n\t}\n\n}\n\nconst LineStrip = 0;\nconst LinePieces = 1;\nconst NoColors = 0;\nconst FaceColors = 1;\nconst VertexColors = 2;\n\nfunction MeshFaceMaterial( materials ) {\n\n\tconsole.warn( 'THREE.MeshFaceMaterial has been removed. Use an Array instead.' );\n\treturn materials;\n\n}\n\nfunction MultiMaterial( materials = [] ) {\n\n\tconsole.warn( 'THREE.MultiMaterial has been removed. Use an Array instead.' );\n\tmaterials.isMultiMaterial = true;\n\tmaterials.materials = materials;\n\tmaterials.clone = function () {\n\n\t\treturn materials.slice();\n\n\t};\n\n\treturn materials;\n\n}\n\nfunction PointCloud( geometry, material ) {\n\n\tconsole.warn( 'THREE.PointCloud has been renamed to THREE.Points.' );\n\treturn new Points( geometry, material );\n\n}\n\nfunction Particle( material ) {\n\n\tconsole.warn( 'THREE.Particle has been renamed to THREE.Sprite.' );\n\treturn new Sprite( material );\n\n}\n\nfunction ParticleSystem( geometry, material ) {\n\n\tconsole.warn( 'THREE.ParticleSystem has been renamed to THREE.Points.' );\n\treturn new Points( geometry, material );\n\n}\n\nfunction PointCloudMaterial( parameters ) {\n\n\tconsole.warn( 'THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial.' );\n\treturn new PointsMaterial( parameters );\n\n}\n\nfunction ParticleBasicMaterial( parameters ) {\n\n\tconsole.warn( 'THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial.' );\n\treturn new PointsMaterial( parameters );\n\n}\n\nfunction ParticleSystemMaterial( parameters ) {\n\n\tconsole.warn( 'THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial.' );\n\treturn new PointsMaterial( parameters );\n\n}\n\nfunction Vertex( x, y, z ) {\n\n\tconsole.warn( 'THREE.Vertex has been removed. Use THREE.Vector3 instead.' );\n\treturn new Vector3( x, y, z );\n\n}\n\n//\n\nfunction DynamicBufferAttribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setUsage( THREE.DynamicDrawUsage ) instead.' );\n\treturn new BufferAttribute( array, itemSize ).setUsage( DynamicDrawUsage );\n\n}\n\nfunction Int8Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Int8Attribute has been removed. Use new THREE.Int8BufferAttribute() instead.' );\n\treturn new Int8BufferAttribute( array, itemSize );\n\n}\n\nfunction Uint8Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Uint8Attribute has been removed. Use new THREE.Uint8BufferAttribute() instead.' );\n\treturn new Uint8BufferAttribute( array, itemSize );\n\n}\n\nfunction Uint8ClampedAttribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Uint8ClampedAttribute has been removed. Use new THREE.Uint8ClampedBufferAttribute() instead.' );\n\treturn new Uint8ClampedBufferAttribute( array, itemSize );\n\n}\n\nfunction Int16Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Int16Attribute has been removed. Use new THREE.Int16BufferAttribute() instead.' );\n\treturn new Int16BufferAttribute( array, itemSize );\n\n}\n\nfunction Uint16Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Uint16Attribute has been removed. Use new THREE.Uint16BufferAttribute() instead.' );\n\treturn new Uint16BufferAttribute( array, itemSize );\n\n}\n\nfunction Int32Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Int32Attribute has been removed. Use new THREE.Int32BufferAttribute() instead.' );\n\treturn new Int32BufferAttribute( array, itemSize );\n\n}\n\nfunction Uint32Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Uint32Attribute has been removed. Use new THREE.Uint32BufferAttribute() instead.' );\n\treturn new Uint32BufferAttribute( array, itemSize );\n\n}\n\nfunction Float32Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Float32Attribute has been removed. Use new THREE.Float32BufferAttribute() instead.' );\n\treturn new Float32BufferAttribute( array, itemSize );\n\n}\n\nfunction Float64Attribute( array, itemSize ) {\n\n\tconsole.warn( 'THREE.Float64Attribute has been removed. Use new THREE.Float64BufferAttribute() instead.' );\n\treturn new Float64BufferAttribute( array, itemSize );\n\n}\n\n//\n\nCurve.create = function ( construct, getPoint ) {\n\n\tconsole.log( 'THREE.Curve.create() has been deprecated' );\n\n\tconstruct.prototype = Object.create( Curve.prototype );\n\tconstruct.prototype.constructor = construct;\n\tconstruct.prototype.getPoint = getPoint;\n\n\treturn construct;\n\n};\n\n//\n\nPath.prototype.fromPoints = function ( points ) {\n\n\tconsole.warn( 'THREE.Path: .fromPoints() has been renamed to .setFromPoints().' );\n\treturn this.setFromPoints( points );\n\n};\n\n//\n\nfunction AxisHelper( size ) {\n\n\tconsole.warn( 'THREE.AxisHelper has been renamed to THREE.AxesHelper.' );\n\treturn new AxesHelper( size );\n\n}\n\nfunction BoundingBoxHelper( object, color ) {\n\n\tconsole.warn( 'THREE.BoundingBoxHelper has been deprecated. Creating a THREE.BoxHelper instead.' );\n\treturn new BoxHelper( object, color );\n\n}\n\nfunction EdgesHelper( object, hex ) {\n\n\tconsole.warn( 'THREE.EdgesHelper has been removed. Use THREE.EdgesGeometry instead.' );\n\treturn new LineSegments( new EdgesGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\n}\n\nGridHelper.prototype.setColors = function () {\n\n\tconsole.error( 'THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.' );\n\n};\n\nSkeletonHelper.prototype.update = function () {\n\n\tconsole.error( 'THREE.SkeletonHelper: update() no longer needs to be called.' );\n\n};\n\nfunction WireframeHelper( object, hex ) {\n\n\tconsole.warn( 'THREE.WireframeHelper has been removed. Use THREE.WireframeGeometry instead.' );\n\treturn new LineSegments( new WireframeGeometry( object.geometry ), new LineBasicMaterial( { color: hex !== undefined ? hex : 0xffffff } ) );\n\n}\n\n//\n\nLoader.prototype.extractUrlBase = function ( url ) {\n\n\tconsole.warn( 'THREE.Loader: .extractUrlBase() has been deprecated. Use THREE.LoaderUtils.extractUrlBase() instead.' );\n\treturn LoaderUtils.extractUrlBase( url );\n\n};\n\nLoader.Handlers = {\n\n\tadd: function ( /* regex, loader */ ) {\n\n\t\tconsole.error( 'THREE.Loader: Handlers.add() has been removed. Use LoadingManager.addHandler() instead.' );\n\n\t},\n\n\tget: function ( /* file */ ) {\n\n\t\tconsole.error( 'THREE.Loader: Handlers.get() has been removed. Use LoadingManager.getHandler() instead.' );\n\n\t}\n\n};\n\nfunction XHRLoader( manager ) {\n\n\tconsole.warn( 'THREE.XHRLoader has been renamed to THREE.FileLoader.' );\n\treturn new FileLoader( manager );\n\n}\n\nfunction BinaryTextureLoader( manager ) {\n\n\tconsole.warn( 'THREE.BinaryTextureLoader has been renamed to THREE.DataTextureLoader.' );\n\treturn new DataTextureLoader( manager );\n\n}\n\n//\n\nBox2.prototype.center = function ( optionalTarget ) {\n\n\tconsole.warn( 'THREE.Box2: .center() has been renamed to .getCenter().' );\n\treturn this.getCenter( optionalTarget );\n\n};\n\nBox2.prototype.empty = function () {\n\n\tconsole.warn( 'THREE.Box2: .empty() has been renamed to .isEmpty().' );\n\treturn this.isEmpty();\n\n};\n\nBox2.prototype.isIntersectionBox = function ( box ) {\n\n\tconsole.warn( 'THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\treturn this.intersectsBox( box );\n\n};\n\nBox2.prototype.size = function ( optionalTarget ) {\n\n\tconsole.warn( 'THREE.Box2: .size() has been renamed to .getSize().' );\n\treturn this.getSize( optionalTarget );\n\n};\n\n//\n\nBox3.prototype.center = function ( optionalTarget ) {\n\n\tconsole.warn( 'THREE.Box3: .center() has been renamed to .getCenter().' );\n\treturn this.getCenter( optionalTarget );\n\n};\n\nBox3.prototype.empty = function () {\n\n\tconsole.warn( 'THREE.Box3: .empty() has been renamed to .isEmpty().' );\n\treturn this.isEmpty();\n\n};\n\nBox3.prototype.isIntersectionBox = function ( box ) {\n\n\tconsole.warn( 'THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\treturn this.intersectsBox( box );\n\n};\n\nBox3.prototype.isIntersectionSphere = function ( sphere ) {\n\n\tconsole.warn( 'THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\treturn this.intersectsSphere( sphere );\n\n};\n\nBox3.prototype.size = function ( optionalTarget ) {\n\n\tconsole.warn( 'THREE.Box3: .size() has been renamed to .getSize().' );\n\treturn this.getSize( optionalTarget );\n\n};\n\n//\n\nSphere.prototype.empty = function () {\n\n\tconsole.warn( 'THREE.Sphere: .empty() has been renamed to .isEmpty().' );\n\treturn this.isEmpty();\n\n};\n\n//\n\nFrustum.prototype.setFromMatrix = function ( m ) {\n\n\tconsole.warn( 'THREE.Frustum: .setFromMatrix() has been renamed to .setFromProjectionMatrix().' );\n\treturn this.setFromProjectionMatrix( m );\n\n};\n\n//\n\nLine3.prototype.center = function ( optionalTarget ) {\n\n\tconsole.warn( 'THREE.Line3: .center() has been renamed to .getCenter().' );\n\treturn this.getCenter( optionalTarget );\n\n};\n\n//\n\nMatrix3.prototype.flattenToArrayOffset = function ( array, offset ) {\n\n\tconsole.warn( 'THREE.Matrix3: .flattenToArrayOffset() has been deprecated. Use .toArray() instead.' );\n\treturn this.toArray( array, offset );\n\n};\n\nMatrix3.prototype.multiplyVector3 = function ( vector ) {\n\n\tconsole.warn( 'THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead.' );\n\treturn vector.applyMatrix3( this );\n\n};\n\nMatrix3.prototype.multiplyVector3Array = function ( /* a */ ) {\n\n\tconsole.error( 'THREE.Matrix3: .multiplyVector3Array() has been removed.' );\n\n};\n\nMatrix3.prototype.applyToBufferAttribute = function ( attribute ) {\n\n\tconsole.warn( 'THREE.Matrix3: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix3( matrix ) instead.' );\n\treturn attribute.applyMatrix3( this );\n\n};\n\nMatrix3.prototype.applyToVector3Array = function ( /* array, offset, length */ ) {\n\n\tconsole.error( 'THREE.Matrix3: .applyToVector3Array() has been removed.' );\n\n};\n\nMatrix3.prototype.getInverse = function ( matrix ) {\n\n\tconsole.warn( 'THREE.Matrix3: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead.' );\n\treturn this.copy( matrix ).invert();\n\n};\n\n//\n\nMatrix4.prototype.extractPosition = function ( m ) {\n\n\tconsole.warn( 'THREE.Matrix4: .extractPosition() has been renamed to .copyPosition().' );\n\treturn this.copyPosition( m );\n\n};\n\nMatrix4.prototype.flattenToArrayOffset = function ( array, offset ) {\n\n\tconsole.warn( 'THREE.Matrix4: .flattenToArrayOffset() has been deprecated. Use .toArray() instead.' );\n\treturn this.toArray( array, offset );\n\n};\n\nMatrix4.prototype.getPosition = function () {\n\n\tconsole.warn( 'THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead.' );\n\treturn new Vector3().setFromMatrixColumn( this, 3 );\n\n};\n\nMatrix4.prototype.setRotationFromQuaternion = function ( q ) {\n\n\tconsole.warn( 'THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion().' );\n\treturn this.makeRotationFromQuaternion( q );\n\n};\n\nMatrix4.prototype.multiplyToArray = function () {\n\n\tconsole.warn( 'THREE.Matrix4: .multiplyToArray() has been removed.' );\n\n};\n\nMatrix4.prototype.multiplyVector3 = function ( vector ) {\n\n\tconsole.warn( 'THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\treturn vector.applyMatrix4( this );\n\n};\n\nMatrix4.prototype.multiplyVector4 = function ( vector ) {\n\n\tconsole.warn( 'THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\treturn vector.applyMatrix4( this );\n\n};\n\nMatrix4.prototype.multiplyVector3Array = function ( /* a */ ) {\n\n\tconsole.error( 'THREE.Matrix4: .multiplyVector3Array() has been removed.' );\n\n};\n\nMatrix4.prototype.rotateAxis = function ( v ) {\n\n\tconsole.warn( 'THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead.' );\n\tv.transformDirection( this );\n\n};\n\nMatrix4.prototype.crossVector = function ( vector ) {\n\n\tconsole.warn( 'THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead.' );\n\treturn vector.applyMatrix4( this );\n\n};\n\nMatrix4.prototype.translate = function () {\n\n\tconsole.error( 'THREE.Matrix4: .translate() has been removed.' );\n\n};\n\nMatrix4.prototype.rotateX = function () {\n\n\tconsole.error( 'THREE.Matrix4: .rotateX() has been removed.' );\n\n};\n\nMatrix4.prototype.rotateY = function () {\n\n\tconsole.error( 'THREE.Matrix4: .rotateY() has been removed.' );\n\n};\n\nMatrix4.prototype.rotateZ = function () {\n\n\tconsole.error( 'THREE.Matrix4: .rotateZ() has been removed.' );\n\n};\n\nMatrix4.prototype.rotateByAxis = function () {\n\n\tconsole.error( 'THREE.Matrix4: .rotateByAxis() has been removed.' );\n\n};\n\nMatrix4.prototype.applyToBufferAttribute = function ( attribute ) {\n\n\tconsole.warn( 'THREE.Matrix4: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix4( matrix ) instead.' );\n\treturn attribute.applyMatrix4( this );\n\n};\n\nMatrix4.prototype.applyToVector3Array = function ( /* array, offset, length */ ) {\n\n\tconsole.error( 'THREE.Matrix4: .applyToVector3Array() has been removed.' );\n\n};\n\nMatrix4.prototype.makeFrustum = function ( left, right, bottom, top, near, far ) {\n\n\tconsole.warn( 'THREE.Matrix4: .makeFrustum() has been removed. Use .makePerspective( left, right, top, bottom, near, far ) instead.' );\n\treturn this.makePerspective( left, right, top, bottom, near, far );\n\n};\n\nMatrix4.prototype.getInverse = function ( matrix ) {\n\n\tconsole.warn( 'THREE.Matrix4: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead.' );\n\treturn this.copy( matrix ).invert();\n\n};\n\n//\n\nPlane.prototype.isIntersectionLine = function ( line ) {\n\n\tconsole.warn( 'THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine().' );\n\treturn this.intersectsLine( line );\n\n};\n\n//\n\nQuaternion.prototype.multiplyVector3 = function ( vector ) {\n\n\tconsole.warn( 'THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead.' );\n\treturn vector.applyQuaternion( this );\n\n};\n\nQuaternion.prototype.inverse = function ( ) {\n\n\tconsole.warn( 'THREE.Quaternion: .inverse() has been renamed to invert().' );\n\treturn this.invert();\n\n};\n\n//\n\nRay.prototype.isIntersectionBox = function ( box ) {\n\n\tconsole.warn( 'THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox().' );\n\treturn this.intersectsBox( box );\n\n};\n\nRay.prototype.isIntersectionPlane = function ( plane ) {\n\n\tconsole.warn( 'THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane().' );\n\treturn this.intersectsPlane( plane );\n\n};\n\nRay.prototype.isIntersectionSphere = function ( sphere ) {\n\n\tconsole.warn( 'THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere().' );\n\treturn this.intersectsSphere( sphere );\n\n};\n\n//\n\nTriangle.prototype.area = function () {\n\n\tconsole.warn( 'THREE.Triangle: .area() has been renamed to .getArea().' );\n\treturn this.getArea();\n\n};\n\nTriangle.prototype.barycoordFromPoint = function ( point, target ) {\n\n\tconsole.warn( 'THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord().' );\n\treturn this.getBarycoord( point, target );\n\n};\n\nTriangle.prototype.midpoint = function ( target ) {\n\n\tconsole.warn( 'THREE.Triangle: .midpoint() has been renamed to .getMidpoint().' );\n\treturn this.getMidpoint( target );\n\n};\n\nTriangle.prototypenormal = function ( target ) {\n\n\tconsole.warn( 'THREE.Triangle: .normal() has been renamed to .getNormal().' );\n\treturn this.getNormal( target );\n\n};\n\nTriangle.prototype.plane = function ( target ) {\n\n\tconsole.warn( 'THREE.Triangle: .plane() has been renamed to .getPlane().' );\n\treturn this.getPlane( target );\n\n};\n\nTriangle.barycoordFromPoint = function ( point, a, b, c, target ) {\n\n\tconsole.warn( 'THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord().' );\n\treturn Triangle.getBarycoord( point, a, b, c, target );\n\n};\n\nTriangle.normal = function ( a, b, c, target ) {\n\n\tconsole.warn( 'THREE.Triangle: .normal() has been renamed to .getNormal().' );\n\treturn Triangle.getNormal( a, b, c, target );\n\n};\n\n//\n\nShape.prototype.extractAllPoints = function ( divisions ) {\n\n\tconsole.warn( 'THREE.Shape: .extractAllPoints() has been removed. Use .extractPoints() instead.' );\n\treturn this.extractPoints( divisions );\n\n};\n\nShape.prototype.extrude = function ( options ) {\n\n\tconsole.warn( 'THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead.' );\n\treturn new ExtrudeGeometry( this, options );\n\n};\n\nShape.prototype.makeGeometry = function ( options ) {\n\n\tconsole.warn( 'THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead.' );\n\treturn new ShapeGeometry( this, options );\n\n};\n\n//\n\nVector2.prototype.fromAttribute = function ( attribute, index, offset ) {\n\n\tconsole.warn( 'THREE.Vector2: .fromAttribute() has been renamed to .fromBufferAttribute().' );\n\treturn this.fromBufferAttribute( attribute, index, offset );\n\n};\n\nVector2.prototype.distanceToManhattan = function ( v ) {\n\n\tconsole.warn( 'THREE.Vector2: .distanceToManhattan() has been renamed to .manhattanDistanceTo().' );\n\treturn this.manhattanDistanceTo( v );\n\n};\n\nVector2.prototype.lengthManhattan = function () {\n\n\tconsole.warn( 'THREE.Vector2: .lengthManhattan() has been renamed to .manhattanLength().' );\n\treturn this.manhattanLength();\n\n};\n\n//\n\nVector3.prototype.setEulerFromRotationMatrix = function () {\n\n\tconsole.error( 'THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.' );\n\n};\n\nVector3.prototype.setEulerFromQuaternion = function () {\n\n\tconsole.error( 'THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.' );\n\n};\n\nVector3.prototype.getPositionFromMatrix = function ( m ) {\n\n\tconsole.warn( 'THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition().' );\n\treturn this.setFromMatrixPosition( m );\n\n};\n\nVector3.prototype.getScaleFromMatrix = function ( m ) {\n\n\tconsole.warn( 'THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale().' );\n\treturn this.setFromMatrixScale( m );\n\n};\n\nVector3.prototype.getColumnFromMatrix = function ( index, matrix ) {\n\n\tconsole.warn( 'THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn().' );\n\treturn this.setFromMatrixColumn( matrix, index );\n\n};\n\nVector3.prototype.applyProjection = function ( m ) {\n\n\tconsole.warn( 'THREE.Vector3: .applyProjection() has been removed. Use .applyMatrix4( m ) instead.' );\n\treturn this.applyMatrix4( m );\n\n};\n\nVector3.prototype.fromAttribute = function ( attribute, index, offset ) {\n\n\tconsole.warn( 'THREE.Vector3: .fromAttribute() has been renamed to .fromBufferAttribute().' );\n\treturn this.fromBufferAttribute( attribute, index, offset );\n\n};\n\nVector3.prototype.distanceToManhattan = function ( v ) {\n\n\tconsole.warn( 'THREE.Vector3: .distanceToManhattan() has been renamed to .manhattanDistanceTo().' );\n\treturn this.manhattanDistanceTo( v );\n\n};\n\nVector3.prototype.lengthManhattan = function () {\n\n\tconsole.warn( 'THREE.Vector3: .lengthManhattan() has been renamed to .manhattanLength().' );\n\treturn this.manhattanLength();\n\n};\n\n//\n\nVector4.prototype.fromAttribute = function ( attribute, index, offset ) {\n\n\tconsole.warn( 'THREE.Vector4: .fromAttribute() has been renamed to .fromBufferAttribute().' );\n\treturn this.fromBufferAttribute( attribute, index, offset );\n\n};\n\nVector4.prototype.lengthManhattan = function () {\n\n\tconsole.warn( 'THREE.Vector4: .lengthManhattan() has been renamed to .manhattanLength().' );\n\treturn this.manhattanLength();\n\n};\n\n//\n\nObject3D.prototype.getChildByName = function ( name ) {\n\n\tconsole.warn( 'THREE.Object3D: .getChildByName() has been renamed to .getObjectByName().' );\n\treturn this.getObjectByName( name );\n\n};\n\nObject3D.prototype.renderDepth = function () {\n\n\tconsole.warn( 'THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.' );\n\n};\n\nObject3D.prototype.translate = function ( distance, axis ) {\n\n\tconsole.warn( 'THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead.' );\n\treturn this.translateOnAxis( axis, distance );\n\n};\n\nObject3D.prototype.getWorldRotation = function () {\n\n\tconsole.error( 'THREE.Object3D: .getWorldRotation() has been removed. Use THREE.Object3D.getWorldQuaternion( target ) instead.' );\n\n};\n\nObject3D.prototype.applyMatrix = function ( matrix ) {\n\n\tconsole.warn( 'THREE.Object3D: .applyMatrix() has been renamed to .applyMatrix4().' );\n\treturn this.applyMatrix4( matrix );\n\n};\n\nObject.defineProperties( Object3D.prototype, {\n\n\teulerOrder: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\treturn this.rotation.order;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Object3D: .eulerOrder is now .rotation.order.' );\n\t\t\tthis.rotation.order = value;\n\n\t\t}\n\t},\n\tuseQuaternion: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.' );\n\n\t\t}\n\t}\n\n} );\n\nMesh.prototype.setDrawMode = function () {\n\n\tconsole.error( 'THREE.Mesh: .setDrawMode() has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.' );\n\n};\n\nObject.defineProperties( Mesh.prototype, {\n\n\tdrawMode: {\n\t\tget: function () {\n\n\t\t\tconsole.error( 'THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode.' );\n\t\t\treturn TrianglesDrawMode;\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.error( 'THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.' );\n\n\t\t}\n\t}\n\n} );\n\nSkinnedMesh.prototype.initBones = function () {\n\n\tconsole.error( 'THREE.SkinnedMesh: initBones() has been removed.' );\n\n};\n\n//\n\nPerspectiveCamera.prototype.setLens = function ( focalLength, filmGauge ) {\n\n\tconsole.warn( 'THREE.PerspectiveCamera.setLens is deprecated. ' +\n\t\t\t'Use .setFocalLength and .filmGauge for a photographic setup.' );\n\n\tif ( filmGauge !== undefined ) this.filmGauge = filmGauge;\n\tthis.setFocalLength( focalLength );\n\n};\n\n//\n\nObject.defineProperties( Light.prototype, {\n\tonlyShadow: {\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Light: .onlyShadow has been removed.' );\n\n\t\t}\n\t},\n\tshadowCameraFov: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFov is now .shadow.camera.fov.' );\n\t\t\tthis.shadow.camera.fov = value;\n\n\t\t}\n\t},\n\tshadowCameraLeft: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraLeft is now .shadow.camera.left.' );\n\t\t\tthis.shadow.camera.left = value;\n\n\t\t}\n\t},\n\tshadowCameraRight: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraRight is now .shadow.camera.right.' );\n\t\t\tthis.shadow.camera.right = value;\n\n\t\t}\n\t},\n\tshadowCameraTop: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraTop is now .shadow.camera.top.' );\n\t\t\tthis.shadow.camera.top = value;\n\n\t\t}\n\t},\n\tshadowCameraBottom: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom.' );\n\t\t\tthis.shadow.camera.bottom = value;\n\n\t\t}\n\t},\n\tshadowCameraNear: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraNear is now .shadow.camera.near.' );\n\t\t\tthis.shadow.camera.near = value;\n\n\t\t}\n\t},\n\tshadowCameraFar: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraFar is now .shadow.camera.far.' );\n\t\t\tthis.shadow.camera.far = value;\n\n\t\t}\n\t},\n\tshadowCameraVisible: {\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.' );\n\n\t\t}\n\t},\n\tshadowBias: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowBias is now .shadow.bias.' );\n\t\t\tthis.shadow.bias = value;\n\n\t\t}\n\t},\n\tshadowDarkness: {\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowDarkness has been removed.' );\n\n\t\t}\n\t},\n\tshadowMapWidth: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowMapWidth is now .shadow.mapSize.width.' );\n\t\t\tthis.shadow.mapSize.width = value;\n\n\t\t}\n\t},\n\tshadowMapHeight: {\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.Light: .shadowMapHeight is now .shadow.mapSize.height.' );\n\t\t\tthis.shadow.mapSize.height = value;\n\n\t\t}\n\t}\n} );\n\n//\n\nObject.defineProperties( BufferAttribute.prototype, {\n\n\tlength: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.BufferAttribute: .length has been deprecated. Use .count instead.' );\n\t\t\treturn this.array.length;\n\n\t\t}\n\t},\n\tdynamic: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead.' );\n\t\t\treturn this.usage === DynamicDrawUsage;\n\n\t\t},\n\t\tset: function ( /* value */ ) {\n\n\t\t\tconsole.warn( 'THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead.' );\n\t\t\tthis.setUsage( DynamicDrawUsage );\n\n\t\t}\n\t}\n\n} );\n\nBufferAttribute.prototype.setDynamic = function ( value ) {\n\n\tconsole.warn( 'THREE.BufferAttribute: .setDynamic() has been deprecated. Use .setUsage() instead.' );\n\tthis.setUsage( value === true ? DynamicDrawUsage : StaticDrawUsage );\n\treturn this;\n\n};\n\nBufferAttribute.prototype.copyIndicesArray = function ( /* indices */ ) {\n\n\tconsole.error( 'THREE.BufferAttribute: .copyIndicesArray() has been removed.' );\n\n},\n\nBufferAttribute.prototype.setArray = function ( /* array */ ) {\n\n\tconsole.error( 'THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers' );\n\n};\n\n//\n\nBufferGeometry.prototype.addIndex = function ( index ) {\n\n\tconsole.warn( 'THREE.BufferGeometry: .addIndex() has been renamed to .setIndex().' );\n\tthis.setIndex( index );\n\n};\n\nBufferGeometry.prototype.addAttribute = function ( name, attribute ) {\n\n\tconsole.warn( 'THREE.BufferGeometry: .addAttribute() has been renamed to .setAttribute().' );\n\n\tif ( ! ( attribute && attribute.isBufferAttribute ) && ! ( attribute && attribute.isInterleavedBufferAttribute ) ) {\n\n\t\tconsole.warn( 'THREE.BufferGeometry: .addAttribute() now expects ( name, attribute ).' );\n\n\t\treturn this.setAttribute( name, new BufferAttribute( arguments[ 1 ], arguments[ 2 ] ) );\n\n\t}\n\n\tif ( name === 'index' ) {\n\n\t\tconsole.warn( 'THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute.' );\n\t\tthis.setIndex( attribute );\n\n\t\treturn this;\n\n\t}\n\n\treturn this.setAttribute( name, attribute );\n\n};\n\nBufferGeometry.prototype.addDrawCall = function ( start, count, indexOffset ) {\n\n\tif ( indexOffset !== undefined ) {\n\n\t\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset.' );\n\n\t}\n\n\tconsole.warn( 'THREE.BufferGeometry: .addDrawCall() is now .addGroup().' );\n\tthis.addGroup( start, count );\n\n};\n\nBufferGeometry.prototype.clearDrawCalls = function () {\n\n\tconsole.warn( 'THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups().' );\n\tthis.clearGroups();\n\n};\n\nBufferGeometry.prototype.computeOffsets = function () {\n\n\tconsole.warn( 'THREE.BufferGeometry: .computeOffsets() has been removed.' );\n\n};\n\nBufferGeometry.prototype.removeAttribute = function ( name ) {\n\n\tconsole.warn( 'THREE.BufferGeometry: .removeAttribute() has been renamed to .deleteAttribute().' );\n\n\treturn this.deleteAttribute( name );\n\n};\n\nBufferGeometry.prototype.applyMatrix = function ( matrix ) {\n\n\tconsole.warn( 'THREE.BufferGeometry: .applyMatrix() has been renamed to .applyMatrix4().' );\n\treturn this.applyMatrix4( matrix );\n\n};\n\nObject.defineProperties( BufferGeometry.prototype, {\n\n\tdrawcalls: {\n\t\tget: function () {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry: .drawcalls has been renamed to .groups.' );\n\t\t\treturn this.groups;\n\n\t\t}\n\t},\n\toffsets: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.BufferGeometry: .offsets has been renamed to .groups.' );\n\t\t\treturn this.groups;\n\n\t\t}\n\t}\n\n} );\n\nInterleavedBuffer.prototype.setDynamic = function ( value ) {\n\n\tconsole.warn( 'THREE.InterleavedBuffer: .setDynamic() has been deprecated. Use .setUsage() instead.' );\n\tthis.setUsage( value === true ? DynamicDrawUsage : StaticDrawUsage );\n\treturn this;\n\n};\n\nInterleavedBuffer.prototype.setArray = function ( /* array */ ) {\n\n\tconsole.error( 'THREE.InterleavedBuffer: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers' );\n\n};\n\n//\n\nExtrudeGeometry.prototype.getArrays = function () {\n\n\tconsole.error( 'THREE.ExtrudeGeometry: .getArrays() has been removed.' );\n\n};\n\nExtrudeGeometry.prototype.addShapeList = function () {\n\n\tconsole.error( 'THREE.ExtrudeGeometry: .addShapeList() has been removed.' );\n\n};\n\nExtrudeGeometry.prototype.addShape = function () {\n\n\tconsole.error( 'THREE.ExtrudeGeometry: .addShape() has been removed.' );\n\n};\n\n//\n\nScene.prototype.dispose = function () {\n\n\tconsole.error( 'THREE.Scene: .dispose() has been removed.' );\n\n};\n\n//\n\nUniform.prototype.onUpdate = function () {\n\n\tconsole.warn( 'THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead.' );\n\treturn this;\n\n};\n\n//\n\nObject.defineProperties( Material.prototype, {\n\n\twrapAround: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.Material: .wrapAround has been removed.' );\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Material: .wrapAround has been removed.' );\n\n\t\t}\n\t},\n\n\toverdraw: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.Material: .overdraw has been removed.' );\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.Material: .overdraw has been removed.' );\n\n\t\t}\n\t},\n\n\twrapRGB: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.Material: .wrapRGB has been removed.' );\n\t\t\treturn new Color();\n\n\t\t}\n\t},\n\n\tshading: {\n\t\tget: function () {\n\n\t\t\tconsole.error( 'THREE.' + this.type + ': .shading has been removed. Use the boolean .flatShading instead.' );\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.' + this.type + ': .shading has been removed. Use the boolean .flatShading instead.' );\n\t\t\tthis.flatShading = ( value === FlatShading );\n\n\t\t}\n\t},\n\n\tstencilMask: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.' + this.type + ': .stencilMask has been removed. Use .stencilFuncMask instead.' );\n\t\t\treturn this.stencilFuncMask;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.' + this.type + ': .stencilMask has been removed. Use .stencilFuncMask instead.' );\n\t\t\tthis.stencilFuncMask = value;\n\n\t\t}\n\t},\n\n\tvertexTangents: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.' + this.type + ': .vertexTangents has been removed.' );\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.' + this.type + ': .vertexTangents has been removed.' );\n\n\t\t}\n\t},\n\n} );\n\nObject.defineProperties( ShaderMaterial.prototype, {\n\n\tderivatives: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\treturn this.extensions.derivatives;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives.' );\n\t\t\tthis.extensions.derivatives = value;\n\n\t\t}\n\t}\n\n} );\n\n//\n\nWebGLRenderer.prototype.clearTarget = function ( renderTarget, color, depth, stencil ) {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .clearTarget() has been deprecated. Use .setRenderTarget() and .clear() instead.' );\n\tthis.setRenderTarget( renderTarget );\n\tthis.clear( color, depth, stencil );\n\n};\n\nWebGLRenderer.prototype.animate = function ( callback ) {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .animate() is now .setAnimationLoop().' );\n\tthis.setAnimationLoop( callback );\n\n};\n\nWebGLRenderer.prototype.getCurrentRenderTarget = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .getCurrentRenderTarget() is now .getRenderTarget().' );\n\treturn this.getRenderTarget();\n\n};\n\nWebGLRenderer.prototype.getMaxAnisotropy = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .getMaxAnisotropy() is now .capabilities.getMaxAnisotropy().' );\n\treturn this.capabilities.getMaxAnisotropy();\n\n};\n\nWebGLRenderer.prototype.getPrecision = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .getPrecision() is now .capabilities.precision.' );\n\treturn this.capabilities.precision;\n\n};\n\nWebGLRenderer.prototype.resetGLState = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .resetGLState() is now .state.reset().' );\n\treturn this.state.reset();\n\n};\n\nWebGLRenderer.prototype.supportsFloatTextures = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( \\'OES_texture_float\\' ).' );\n\treturn this.extensions.get( 'OES_texture_float' );\n\n};\n\nWebGLRenderer.prototype.supportsHalfFloatTextures = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( \\'OES_texture_half_float\\' ).' );\n\treturn this.extensions.get( 'OES_texture_half_float' );\n\n};\n\nWebGLRenderer.prototype.supportsStandardDerivatives = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( \\'OES_standard_derivatives\\' ).' );\n\treturn this.extensions.get( 'OES_standard_derivatives' );\n\n};\n\nWebGLRenderer.prototype.supportsCompressedTextureS3TC = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( \\'WEBGL_compressed_texture_s3tc\\' ).' );\n\treturn this.extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\n};\n\nWebGLRenderer.prototype.supportsCompressedTexturePVRTC = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( \\'WEBGL_compressed_texture_pvrtc\\' ).' );\n\treturn this.extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\n};\n\nWebGLRenderer.prototype.supportsBlendMinMax = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( \\'EXT_blend_minmax\\' ).' );\n\treturn this.extensions.get( 'EXT_blend_minmax' );\n\n};\n\nWebGLRenderer.prototype.supportsVertexTextures = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsVertexTextures() is now .capabilities.vertexTextures.' );\n\treturn this.capabilities.vertexTextures;\n\n};\n\nWebGLRenderer.prototype.supportsInstancedArrays = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( \\'ANGLE_instanced_arrays\\' ).' );\n\treturn this.extensions.get( 'ANGLE_instanced_arrays' );\n\n};\n\nWebGLRenderer.prototype.enableScissorTest = function ( boolean ) {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest().' );\n\tthis.setScissorTest( boolean );\n\n};\n\nWebGLRenderer.prototype.initMaterial = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .initMaterial() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.addPrePlugin = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .addPrePlugin() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.addPostPlugin = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .addPostPlugin() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.updateShadowMap = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .updateShadowMap() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.setFaceCulling = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .setFaceCulling() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.allocTextureUnit = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .allocTextureUnit() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.setTexture = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .setTexture() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.setTexture2D = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .setTexture2D() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.setTextureCube = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .setTextureCube() has been removed.' );\n\n};\n\nWebGLRenderer.prototype.getActiveMipMapLevel = function () {\n\n\tconsole.warn( 'THREE.WebGLRenderer: .getActiveMipMapLevel() is now .getActiveMipmapLevel().' );\n\treturn this.getActiveMipmapLevel();\n\n};\n\nObject.defineProperties( WebGLRenderer.prototype, {\n\n\tshadowMapEnabled: {\n\t\tget: function () {\n\n\t\t\treturn this.shadowMap.enabled;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled.' );\n\t\t\tthis.shadowMap.enabled = value;\n\n\t\t}\n\t},\n\tshadowMapType: {\n\t\tget: function () {\n\n\t\t\treturn this.shadowMap.type;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type.' );\n\t\t\tthis.shadowMap.type = value;\n\n\t\t}\n\t},\n\tshadowMapCullFace: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.' );\n\t\t\treturn undefined;\n\n\t\t},\n\t\tset: function ( /* value */ ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.' );\n\n\t\t}\n\t},\n\tcontext: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .context has been removed. Use .getContext() instead.' );\n\t\t\treturn this.getContext();\n\n\t\t}\n\t},\n\tvr: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .vr has been renamed to .xr' );\n\t\t\treturn this.xr;\n\n\t\t}\n\t},\n\tgammaInput: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead.' );\n\t\t\treturn false;\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead.' );\n\n\t\t}\n\t},\n\tgammaOutput: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead.' );\n\t\t\treturn false;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead.' );\n\t\t\tthis.outputEncoding = ( value === true ) ? sRGBEncoding : LinearEncoding;\n\n\t\t}\n\t},\n\ttoneMappingWhitePoint: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .toneMappingWhitePoint has been removed.' );\n\t\t\treturn 1.0;\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .toneMappingWhitePoint has been removed.' );\n\n\t\t}\n\t},\n\n} );\n\nObject.defineProperties( WebGLShadowMap.prototype, {\n\n\tcullFace: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.' );\n\t\t\treturn undefined;\n\n\t\t},\n\t\tset: function ( /* cullFace */ ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.' );\n\n\t\t}\n\t},\n\trenderReverseSided: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.' );\n\t\t\treturn undefined;\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.' );\n\n\t\t}\n\t},\n\trenderSingleSided: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.' );\n\t\t\treturn undefined;\n\n\t\t},\n\t\tset: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.' );\n\n\t\t}\n\t}\n\n} );\n\nfunction WebGLRenderTargetCube( width, height, options ) {\n\n\tconsole.warn( 'THREE.WebGLRenderTargetCube( width, height, options ) is now WebGLCubeRenderTarget( size, options ).' );\n\treturn new WebGLCubeRenderTarget( width, options );\n\n}\n\n//\n\nObject.defineProperties( WebGLRenderTarget.prototype, {\n\n\twrapS: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\treturn this.texture.wrapS;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS.' );\n\t\t\tthis.texture.wrapS = value;\n\n\t\t}\n\t},\n\twrapT: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\treturn this.texture.wrapT;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT.' );\n\t\t\tthis.texture.wrapT = value;\n\n\t\t}\n\t},\n\tmagFilter: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\treturn this.texture.magFilter;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter.' );\n\t\t\tthis.texture.magFilter = value;\n\n\t\t}\n\t},\n\tminFilter: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\treturn this.texture.minFilter;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter.' );\n\t\t\tthis.texture.minFilter = value;\n\n\t\t}\n\t},\n\tanisotropy: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\treturn this.texture.anisotropy;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy.' );\n\t\t\tthis.texture.anisotropy = value;\n\n\t\t}\n\t},\n\toffset: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\treturn this.texture.offset;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .offset is now .texture.offset.' );\n\t\t\tthis.texture.offset = value;\n\n\t\t}\n\t},\n\trepeat: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\treturn this.texture.repeat;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .repeat is now .texture.repeat.' );\n\t\t\tthis.texture.repeat = value;\n\n\t\t}\n\t},\n\tformat: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\treturn this.texture.format;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .format is now .texture.format.' );\n\t\t\tthis.texture.format = value;\n\n\t\t}\n\t},\n\ttype: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\treturn this.texture.type;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .type is now .texture.type.' );\n\t\t\tthis.texture.type = value;\n\n\t\t}\n\t},\n\tgenerateMipmaps: {\n\t\tget: function () {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\treturn this.texture.generateMipmaps;\n\n\t\t},\n\t\tset: function ( value ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps.' );\n\t\t\tthis.texture.generateMipmaps = value;\n\n\t\t}\n\t}\n\n} );\n\n//\n\nAudio.prototype.load = function ( file ) {\n\n\tconsole.warn( 'THREE.Audio: .load has been deprecated. Use THREE.AudioLoader instead.' );\n\tconst scope = this;\n\tconst audioLoader = new AudioLoader();\n\taudioLoader.load( file, function ( buffer ) {\n\n\t\tscope.setBuffer( buffer );\n\n\t} );\n\treturn this;\n\n};\n\n\nAudioAnalyser.prototype.getData = function () {\n\n\tconsole.warn( 'THREE.AudioAnalyser: .getData() is now .getFrequencyData().' );\n\treturn this.getFrequencyData();\n\n};\n\n//\n\nCubeCamera.prototype.updateCubeMap = function ( renderer, scene ) {\n\n\tconsole.warn( 'THREE.CubeCamera: .updateCubeMap() is now .update().' );\n\treturn this.update( renderer, scene );\n\n};\n\nCubeCamera.prototype.clear = function ( renderer, color, depth, stencil ) {\n\n\tconsole.warn( 'THREE.CubeCamera: .clear() is now .renderTarget.clear().' );\n\treturn this.renderTarget.clear( renderer, color, depth, stencil );\n\n};\n\nImageUtils.crossOrigin = undefined;\n\nImageUtils.loadTexture = function ( url, mapping, onLoad, onError ) {\n\n\tconsole.warn( 'THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.' );\n\n\tconst loader = new TextureLoader();\n\tloader.setCrossOrigin( this.crossOrigin );\n\n\tconst texture = loader.load( url, onLoad, undefined, onError );\n\n\tif ( mapping ) texture.mapping = mapping;\n\n\treturn texture;\n\n};\n\nImageUtils.loadTextureCube = function ( urls, mapping, onLoad, onError ) {\n\n\tconsole.warn( 'THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.' );\n\n\tconst loader = new CubeTextureLoader();\n\tloader.setCrossOrigin( this.crossOrigin );\n\n\tconst texture = loader.load( urls, onLoad, undefined, onError );\n\n\tif ( mapping ) texture.mapping = mapping;\n\n\treturn texture;\n\n};\n\nImageUtils.loadCompressedTexture = function () {\n\n\tconsole.error( 'THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.' );\n\n};\n\nImageUtils.loadCompressedTextureCube = function () {\n\n\tconsole.error( 'THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.' );\n\n};\n\n//\n\nfunction CanvasRenderer() {\n\n\tconsole.error( 'THREE.CanvasRenderer has been removed' );\n\n}\n\n//\n\nfunction JSONLoader() {\n\n\tconsole.error( 'THREE.JSONLoader has been removed.' );\n\n}\n\n//\n\nconst SceneUtils = {\n\n\tcreateMultiMaterialObject: function ( /* geometry, materials */ ) {\n\n\t\tconsole.error( 'THREE.SceneUtils has been moved to /examples/jsm/utils/SceneUtils.js' );\n\n\t},\n\n\tdetach: function ( /* child, parent, scene */ ) {\n\n\t\tconsole.error( 'THREE.SceneUtils has been moved to /examples/jsm/utils/SceneUtils.js' );\n\n\t},\n\n\tattach: function ( /* child, scene, parent */ ) {\n\n\t\tconsole.error( 'THREE.SceneUtils has been moved to /examples/jsm/utils/SceneUtils.js' );\n\n\t}\n\n};\n\n//\n\nfunction LensFlare() {\n\n\tconsole.error( 'THREE.LensFlare has been moved to /examples/jsm/objects/Lensflare.js' );\n\n}\n\n//\n\nfunction ParametricGeometry() {\n\n\tconsole.error( 'THREE.ParametricGeometry has been moved to /examples/jsm/geometries/ParametricGeometry.js' );\n\treturn new BufferGeometry();\n\n}\n\nfunction TextGeometry() {\n\n\tconsole.error( 'THREE.TextGeometry has been moved to /examples/jsm/geometries/TextGeometry.js' );\n\treturn new BufferGeometry();\n\n}\n\nfunction FontLoader() {\n\n\tconsole.error( 'THREE.FontLoader has been moved to /examples/jsm/loaders/FontLoader.js' );\n\n}\n\nfunction Font() {\n\n\tconsole.error( 'THREE.Font has been moved to /examples/jsm/loaders/FontLoader.js' );\n\n}\n\nfunction ImmediateRenderObject() {\n\n\tconsole.error( 'THREE.ImmediateRenderObject has been removed.' );\n\n}\n\nif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t/* eslint-disable no-undef */\n\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'register', { detail: {\n\t\trevision: REVISION,\n\t} } ) );\n\t/* eslint-enable no-undef */\n\n}\n\nif ( typeof window !== 'undefined' ) {\n\n\tif ( window.__THREE__ ) {\n\n\t\tconsole.warn( 'WARNING: Multiple instances of Three.js being imported.' );\n\n\t} else {\n\n\t\twindow.__THREE__ = REVISION;\n\n\t}\n\n}\n\nexport { ACESFilmicToneMapping, AddEquation, AddOperation, AdditiveAnimationBlendMode, AdditiveBlending, AlphaFormat, AlwaysDepth, AlwaysStencilFunc, AmbientLight, AmbientLightProbe, AnimationClip, AnimationLoader, AnimationMixer, AnimationObjectGroup, AnimationUtils, ArcCurve, ArrayCamera, ArrowHelper, Audio, AudioAnalyser, AudioContext, AudioListener, AudioLoader, AxesHelper, AxisHelper, BackSide, BasicDepthPacking, BasicShadowMap, BinaryTextureLoader, Bone, BooleanKeyframeTrack, BoundingBoxHelper, Box2, Box3, Box3Helper, BoxGeometry as BoxBufferGeometry, BoxGeometry, BoxHelper, BufferAttribute, BufferGeometry, BufferGeometryLoader, ByteType, Cache, Camera, CameraHelper, CanvasRenderer, CanvasTexture, CatmullRomCurve3, CineonToneMapping, CircleGeometry as CircleBufferGeometry, CircleGeometry, ClampToEdgeWrapping, Clock, Color, ColorKeyframeTrack, CompressedTexture, CompressedTextureLoader, ConeGeometry as ConeBufferGeometry, ConeGeometry, CubeCamera, CubeReflectionMapping, CubeRefractionMapping, CubeTexture, CubeTextureLoader, CubeUVReflectionMapping, CubeUVRefractionMapping, CubicBezierCurve, CubicBezierCurve3, CubicInterpolant, CullFaceBack, CullFaceFront, CullFaceFrontBack, CullFaceNone, Curve, CurvePath, CustomBlending, CustomToneMapping, CylinderGeometry as CylinderBufferGeometry, CylinderGeometry, Cylindrical, DataTexture, DataTexture2DArray, DataTexture3D, DataTextureLoader, DataUtils, DecrementStencilOp, DecrementWrapStencilOp, DefaultLoadingManager, DepthFormat, DepthStencilFormat, DepthTexture, DirectionalLight, DirectionalLightHelper, DiscreteInterpolant, DodecahedronGeometry as DodecahedronBufferGeometry, DodecahedronGeometry, DoubleSide, DstAlphaFactor, DstColorFactor, DynamicBufferAttribute, DynamicCopyUsage, DynamicDrawUsage, DynamicReadUsage, EdgesGeometry, EdgesHelper, EllipseCurve, EqualDepth, EqualStencilFunc, EquirectangularReflectionMapping, EquirectangularRefractionMapping, Euler, EventDispatcher, ExtrudeGeometry as ExtrudeBufferGeometry, ExtrudeGeometry, FaceColors, FileLoader, FlatShading, Float16BufferAttribute, Float32Attribute, Float32BufferAttribute, Float64Attribute, Float64BufferAttribute, FloatType, Fog, FogExp2, Font, FontLoader, FrontSide, Frustum, GLBufferAttribute, GLSL1, GLSL3, GammaEncoding, GreaterDepth, GreaterEqualDepth, GreaterEqualStencilFunc, GreaterStencilFunc, GridHelper, Group, HalfFloatType, HemisphereLight, HemisphereLightHelper, HemisphereLightProbe, IcosahedronGeometry as IcosahedronBufferGeometry, IcosahedronGeometry, ImageBitmapLoader, ImageLoader, ImageUtils, ImmediateRenderObject, IncrementStencilOp, IncrementWrapStencilOp, InstancedBufferAttribute, InstancedBufferGeometry, InstancedInterleavedBuffer, InstancedMesh, Int16Attribute, Int16BufferAttribute, Int32Attribute, Int32BufferAttribute, Int8Attribute, Int8BufferAttribute, IntType, InterleavedBuffer, InterleavedBufferAttribute, Interpolant, InterpolateDiscrete, InterpolateLinear, InterpolateSmooth, InvertStencilOp, JSONLoader, KeepStencilOp, KeyframeTrack, LOD, LatheGeometry as LatheBufferGeometry, LatheGeometry, Layers, LensFlare, LessDepth, LessEqualDepth, LessEqualStencilFunc, LessStencilFunc, Light, LightProbe, Line, Line3, LineBasicMaterial, LineCurve, LineCurve3, LineDashedMaterial, LineLoop, LinePieces, LineSegments, LineStrip, LinearEncoding, LinearFilter, LinearInterpolant, LinearMipMapLinearFilter, LinearMipMapNearestFilter, LinearMipmapLinearFilter, LinearMipmapNearestFilter, LinearToneMapping, Loader, LoaderUtils, LoadingManager, LoopOnce, LoopPingPong, LoopRepeat, LuminanceAlphaFormat, LuminanceFormat, MOUSE, Material, MaterialLoader, MathUtils as Math, MathUtils, Matrix3, Matrix4, MaxEquation, Mesh, MeshBasicMaterial, MeshDepthMaterial, MeshDistanceMaterial, MeshFaceMaterial, MeshLambertMaterial, MeshMatcapMaterial, MeshNormalMaterial, MeshPhongMaterial, MeshPhysicalMaterial, MeshStandardMaterial, MeshToonMaterial, MinEquation, MirroredRepeatWrapping, MixOperation, MultiMaterial, MultiplyBlending, MultiplyOperation, NearestFilter, NearestMipMapLinearFilter, NearestMipMapNearestFilter, NearestMipmapLinearFilter, NearestMipmapNearestFilter, NeverDepth, NeverStencilFunc, NoBlending, NoColors, NoToneMapping, NormalAnimationBlendMode, NormalBlending, NotEqualDepth, NotEqualStencilFunc, NumberKeyframeTrack, Object3D, ObjectLoader, ObjectSpaceNormalMap, OctahedronGeometry as OctahedronBufferGeometry, OctahedronGeometry, OneFactor, OneMinusDstAlphaFactor, OneMinusDstColorFactor, OneMinusSrcAlphaFactor, OneMinusSrcColorFactor, OrthographicCamera, PCFShadowMap, PCFSoftShadowMap, PMREMGenerator, ParametricGeometry, Particle, ParticleBasicMaterial, ParticleSystem, ParticleSystemMaterial, Path, PerspectiveCamera, Plane, PlaneGeometry as PlaneBufferGeometry, PlaneGeometry, PlaneHelper, PointCloud, PointCloudMaterial, PointLight, PointLightHelper, Points, PointsMaterial, PolarGridHelper, PolyhedronGeometry as PolyhedronBufferGeometry, PolyhedronGeometry, PositionalAudio, PropertyBinding, PropertyMixer, QuadraticBezierCurve, QuadraticBezierCurve3, Quaternion, QuaternionKeyframeTrack, QuaternionLinearInterpolant, REVISION, RGBADepthPacking, RGBAFormat, RGBAIntegerFormat, RGBA_ASTC_10x10_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_BPTC_Format, RGBA_ETC2_EAC_Format, RGBA_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGBDEncoding, RGBEEncoding, RGBEFormat, RGBFormat, RGBIntegerFormat, RGBM16Encoding, RGBM7Encoding, RGB_ETC1_Format, RGB_ETC2_Format, RGB_PVRTC_2BPPV1_Format, RGB_PVRTC_4BPPV1_Format, RGB_S3TC_DXT1_Format, RGFormat, RGIntegerFormat, RawShaderMaterial, Ray, Raycaster, RectAreaLight, RedFormat, RedIntegerFormat, ReinhardToneMapping, RepeatWrapping, ReplaceStencilOp, ReverseSubtractEquation, RingGeometry as RingBufferGeometry, RingGeometry, SRGB8_ALPHA8_ASTC_10x10_Format, SRGB8_ALPHA8_ASTC_10x5_Format, SRGB8_ALPHA8_ASTC_10x6_Format, SRGB8_ALPHA8_ASTC_10x8_Format, SRGB8_ALPHA8_ASTC_12x10_Format, SRGB8_ALPHA8_ASTC_12x12_Format, SRGB8_ALPHA8_ASTC_4x4_Format, SRGB8_ALPHA8_ASTC_5x4_Format, SRGB8_ALPHA8_ASTC_5x5_Format, SRGB8_ALPHA8_ASTC_6x5_Format, SRGB8_ALPHA8_ASTC_6x6_Format, SRGB8_ALPHA8_ASTC_8x5_Format, SRGB8_ALPHA8_ASTC_8x6_Format, SRGB8_ALPHA8_ASTC_8x8_Format, Scene, SceneUtils, ShaderChunk, ShaderLib, ShaderMaterial, ShadowMaterial, Shape, ShapeGeometry as ShapeBufferGeometry, ShapeGeometry, ShapePath, ShapeUtils, ShortType, Skeleton, SkeletonHelper, SkinnedMesh, SmoothShading, Sphere, SphereGeometry as SphereBufferGeometry, SphereGeometry, Spherical, SphericalHarmonics3, SplineCurve, SpotLight, SpotLightHelper, Sprite, SpriteMaterial, SrcAlphaFactor, SrcAlphaSaturateFactor, SrcColorFactor, StaticCopyUsage, StaticDrawUsage, StaticReadUsage, StereoCamera, StreamCopyUsage, StreamDrawUsage, StreamReadUsage, StringKeyframeTrack, SubtractEquation, SubtractiveBlending, TOUCH, TangentSpaceNormalMap, TetrahedronGeometry as TetrahedronBufferGeometry, TetrahedronGeometry, TextGeometry, Texture, TextureLoader, TorusGeometry as TorusBufferGeometry, TorusGeometry, TorusKnotGeometry as TorusKnotBufferGeometry, TorusKnotGeometry, Triangle, TriangleFanDrawMode, TriangleStripDrawMode, TrianglesDrawMode, TubeGeometry as TubeBufferGeometry, TubeGeometry, UVMapping, Uint16Attribute, Uint16BufferAttribute, Uint32Attribute, Uint32BufferAttribute, Uint8Attribute, Uint8BufferAttribute, Uint8ClampedAttribute, Uint8ClampedBufferAttribute, Uniform, UniformsLib, UniformsUtils, UnsignedByteType, UnsignedInt248Type, UnsignedIntType, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedShort565Type, UnsignedShortType, VSMShadowMap, Vector2, Vector3, Vector4, VectorKeyframeTrack, Vertex, VertexColors, VideoTexture, WebGL1Renderer, WebGLCubeRenderTarget, WebGLMultipleRenderTargets, WebGLMultisampleRenderTarget, WebGLRenderTarget, WebGLRenderTargetCube, WebGLRenderer, WebGLUtils, WireframeGeometry, WireframeHelper, WrapAroundEnding, XHRLoader, ZeroCurvatureEnding, ZeroFactor, ZeroSlopeEnding, ZeroStencilOp, sRGBEncoding };\n", "import {\n\tEventDispatcher,\n\tMOUSE,\n\tQuaternion,\n\tSpherical,\n\tTOUCH,\n\tVector2,\n\tVector3\n} from 'three';\n\n// This set of controls performs orbiting, dollying (zooming), and panning.\n// Unlike TrackballControls, it maintains the \"up\" direction object.up (+Y by default).\n//\n// Orbit - left mouse / touch: one-finger move\n// Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish\n// Pan - right mouse, or left mouse + ctrl/meta/shiftKey, or arrow keys / touch: two-finger move\n\nconst _changeEvent = { type: 'change' };\nconst _startEvent = { type: 'start' };\nconst _endEvent = { type: 'end' };\n\nclass OrbitControls extends EventDispatcher {\n\n\tconstructor( object, domElement ) {\n\n\t\tsuper();\n\n\t\tif ( domElement === undefined ) console.warn( 'THREE.OrbitControls: The second parameter \"domElement\" is now mandatory.' );\n\t\tif ( domElement === document ) console.error( 'THREE.OrbitControls: \"document\" should not be used as the target \"domElement\". Please use \"renderer.domElement\" instead.' );\n\n\t\tthis.object = object;\n\t\tthis.domElement = domElement;\n\t\tthis.domElement.style.touchAction = 'none'; // disable touch scroll\n\n\t\t// Set to false to disable this control\n\t\tthis.enabled = true;\n\n\t\t// \"target\" sets the location of focus, where the object orbits around\n\t\tthis.target = new Vector3();\n\n\t\t// How far you can dolly in and out ( PerspectiveCamera only )\n\t\tthis.minDistance = 0;\n\t\tthis.maxDistance = Infinity;\n\n\t\t// How far you can zoom in and out ( OrthographicCamera only )\n\t\tthis.minZoom = 0;\n\t\tthis.maxZoom = Infinity;\n\n\t\t// How far you can orbit vertically, upper and lower limits.\n\t\t// Range is 0 to Math.PI radians.\n\t\tthis.minPolarAngle = 0; // radians\n\t\tthis.maxPolarAngle = Math.PI; // radians\n\n\t\t// How far you can orbit horizontally, upper and lower limits.\n\t\t// If set, the interval [ min, max ] must be a sub-interval of [ - 2 PI, 2 PI ], with ( max - min < 2 PI )\n\t\tthis.minAzimuthAngle = - Infinity; // radians\n\t\tthis.maxAzimuthAngle = Infinity; // radians\n\n\t\t// Set to true to enable damping (inertia)\n\t\t// If damping is enabled, you must call controls.update() in your animation loop\n\t\tthis.enableDamping = false;\n\t\tthis.dampingFactor = 0.05;\n\n\t\t// This option actually enables dollying in and out; left as \"zoom\" for backwards compatibility.\n\t\t// Set to false to disable zooming\n\t\tthis.enableZoom = true;\n\t\tthis.zoomSpeed = 1.0;\n\n\t\t// Set to false to disable rotating\n\t\tthis.enableRotate = true;\n\t\tthis.rotateSpeed = 1.0;\n\n\t\t// Set to false to disable panning\n\t\tthis.enablePan = true;\n\t\tthis.panSpeed = 1.0;\n\t\tthis.screenSpacePanning = true; // if false, pan orthogonal to world-space direction camera.up\n\t\tthis.keyPanSpeed = 7.0;\t// pixels moved per arrow key push\n\n\t\t// Set to true to automatically rotate around the target\n\t\t// If auto-rotate is enabled, you must call controls.update() in your animation loop\n\t\tthis.autoRotate = false;\n\t\tthis.autoRotateSpeed = 2.0; // 30 seconds per orbit when fps is 60\n\n\t\t// The four arrow keys\n\t\tthis.keys = { LEFT: 'ArrowLeft', UP: 'ArrowUp', RIGHT: 'ArrowRight', BOTTOM: 'ArrowDown' };\n\n\t\t// Mouse buttons\n\t\tthis.mouseButtons = { LEFT: MOUSE.ROTATE, MIDDLE: MOUSE.DOLLY, RIGHT: MOUSE.PAN };\n\n\t\t// Touch fingers\n\t\tthis.touches = { ONE: TOUCH.ROTATE, TWO: TOUCH.DOLLY_PAN };\n\n\t\t// for reset\n\t\tthis.target0 = this.target.clone();\n\t\tthis.position0 = this.object.position.clone();\n\t\tthis.zoom0 = this.object.zoom;\n\n\t\t// the target DOM element for key events\n\t\tthis._domElementKeyEvents = null;\n\n\t\t//\n\t\t// public methods\n\t\t//\n\n\t\tthis.getPolarAngle = function () {\n\n\t\t\treturn spherical.phi;\n\n\t\t};\n\n\t\tthis.getAzimuthalAngle = function () {\n\n\t\t\treturn spherical.theta;\n\n\t\t};\n\n\t\tthis.getDistance = function () {\n\n\t\t\treturn this.object.position.distanceTo( this.target );\n\n\t\t};\n\n\t\tthis.listenToKeyEvents = function ( domElement ) {\n\n\t\t\tdomElement.addEventListener( 'keydown', onKeyDown );\n\t\t\tthis._domElementKeyEvents = domElement;\n\n\t\t};\n\n\t\tthis.saveState = function () {\n\n\t\t\tscope.target0.copy( scope.target );\n\t\t\tscope.position0.copy( scope.object.position );\n\t\t\tscope.zoom0 = scope.object.zoom;\n\n\t\t};\n\n\t\tthis.reset = function () {\n\n\t\t\tscope.target.copy( scope.target0 );\n\t\t\tscope.object.position.copy( scope.position0 );\n\t\t\tscope.object.zoom = scope.zoom0;\n\n\t\t\tscope.object.updateProjectionMatrix();\n\t\t\tscope.dispatchEvent( _changeEvent );\n\n\t\t\tscope.update();\n\n\t\t\tstate = STATE.NONE;\n\n\t\t};\n\n\t\t// this method is exposed, but perhaps it would be better if we can make it private...\n\t\tthis.update = function () {\n\n\t\t\tconst offset = new Vector3();\n\n\t\t\t// so camera.up is the orbit axis\n\t\t\tconst quat = new Quaternion().setFromUnitVectors( object.up, new Vector3( 0, 1, 0 ) );\n\t\t\tconst quatInverse = quat.clone().invert();\n\n\t\t\tconst lastPosition = new Vector3();\n\t\t\tconst lastQuaternion = new Quaternion();\n\n\t\t\tconst twoPI = 2 * Math.PI;\n\n\t\t\treturn function update() {\n\n\t\t\t\tconst position = scope.object.position;\n\n\t\t\t\toffset.copy( position ).sub( scope.target );\n\n\t\t\t\t// rotate offset to \"y-axis-is-up\" space\n\t\t\t\toffset.applyQuaternion( quat );\n\n\t\t\t\t// angle from z-axis around y-axis\n\t\t\t\tspherical.setFromVector3( offset );\n\n\t\t\t\tif ( scope.autoRotate && state === STATE.NONE ) {\n\n\t\t\t\t\trotateLeft( getAutoRotationAngle() );\n\n\t\t\t\t}\n\n\t\t\t\tif ( scope.enableDamping ) {\n\n\t\t\t\t\tspherical.theta += sphericalDelta.theta * scope.dampingFactor;\n\t\t\t\t\tspherical.phi += sphericalDelta.phi * scope.dampingFactor;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tspherical.theta += sphericalDelta.theta;\n\t\t\t\t\tspherical.phi += sphericalDelta.phi;\n\n\t\t\t\t}\n\n\t\t\t\t// restrict theta to be between desired limits\n\n\t\t\t\tlet min = scope.minAzimuthAngle;\n\t\t\t\tlet max = scope.maxAzimuthAngle;\n\n\t\t\t\tif ( isFinite( min ) && isFinite( max ) ) {\n\n\t\t\t\t\tif ( min < - Math.PI ) min += twoPI; else if ( min > Math.PI ) min -= twoPI;\n\n\t\t\t\t\tif ( max < - Math.PI ) max += twoPI; else if ( max > Math.PI ) max -= twoPI;\n\n\t\t\t\t\tif ( min <= max ) {\n\n\t\t\t\t\t\tspherical.theta = Math.max( min, Math.min( max, spherical.theta ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tspherical.theta = ( spherical.theta > ( min + max ) / 2 ) ?\n\t\t\t\t\t\t\tMath.max( min, spherical.theta ) :\n\t\t\t\t\t\t\tMath.min( max, spherical.theta );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// restrict phi to be between desired limits\n\t\t\t\tspherical.phi = Math.max( scope.minPolarAngle, Math.min( scope.maxPolarAngle, spherical.phi ) );\n\n\t\t\t\tspherical.makeSafe();\n\n\n\t\t\t\tspherical.radius *= scale;\n\n\t\t\t\t// restrict radius to be between desired limits\n\t\t\t\tspherical.radius = Math.max( scope.minDistance, Math.min( scope.maxDistance, spherical.radius ) );\n\n\t\t\t\t// move target to panned location\n\n\t\t\t\tif ( scope.enableDamping === true ) {\n\n\t\t\t\t\tscope.target.addScaledVector( panOffset, scope.dampingFactor );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tscope.target.add( panOffset );\n\n\t\t\t\t}\n\n\t\t\t\toffset.setFromSpherical( spherical );\n\n\t\t\t\t// rotate offset back to \"camera-up-vector-is-up\" space\n\t\t\t\toffset.applyQuaternion( quatInverse );\n\n\t\t\t\tposition.copy( scope.target ).add( offset );\n\n\t\t\t\tscope.object.lookAt( scope.target );\n\n\t\t\t\tif ( scope.enableDamping === true ) {\n\n\t\t\t\t\tsphericalDelta.theta *= ( 1 - scope.dampingFactor );\n\t\t\t\t\tsphericalDelta.phi *= ( 1 - scope.dampingFactor );\n\n\t\t\t\t\tpanOffset.multiplyScalar( 1 - scope.dampingFactor );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsphericalDelta.set( 0, 0, 0 );\n\n\t\t\t\t\tpanOffset.set( 0, 0, 0 );\n\n\t\t\t\t}\n\n\t\t\t\tscale = 1;\n\n\t\t\t\t// update condition is:\n\t\t\t\t// min(camera displacement, camera rotation in radians)^2 > EPS\n\t\t\t\t// using small-angle approximation cos(x/2) = 1 - x^2 / 8\n\n\t\t\t\tif ( zoomChanged ||\n\t\t\t\t\tlastPosition.distanceToSquared( scope.object.position ) > EPS ||\n\t\t\t\t\t8 * ( 1 - lastQuaternion.dot( scope.object.quaternion ) ) > EPS ) {\n\n\t\t\t\t\tscope.dispatchEvent( _changeEvent );\n\n\t\t\t\t\tlastPosition.copy( scope.object.position );\n\t\t\t\t\tlastQuaternion.copy( scope.object.quaternion );\n\t\t\t\t\tzoomChanged = false;\n\n\t\t\t\t\treturn true;\n\n\t\t\t\t}\n\n\t\t\t\treturn false;\n\n\t\t\t};\n\n\t\t}();\n\n\t\tthis.dispose = function () {\n\n\t\t\tscope.domElement.removeEventListener( 'contextmenu', onContextMenu );\n\n\t\t\tscope.domElement.removeEventListener( 'pointerdown', onPointerDown );\n\t\t\tscope.domElement.removeEventListener( 'pointercancel', onPointerCancel );\n\t\t\tscope.domElement.removeEventListener( 'wheel', onMouseWheel );\n\n\t\t\tscope.domElement.removeEventListener( 'pointermove', onPointerMove );\n\t\t\tscope.domElement.removeEventListener( 'pointerup', onPointerUp );\n\n\n\t\t\tif ( scope._domElementKeyEvents !== null ) {\n\n\t\t\t\tscope._domElementKeyEvents.removeEventListener( 'keydown', onKeyDown );\n\n\t\t\t}\n\n\t\t\t//scope.dispatchEvent( { type: 'dispose' } ); // should this be added here?\n\n\t\t};\n\n\t\t//\n\t\t// internals\n\t\t//\n\n\t\tconst scope = this;\n\n\t\tconst STATE = {\n\t\t\tNONE: - 1,\n\t\t\tROTATE: 0,\n\t\t\tDOLLY: 1,\n\t\t\tPAN: 2,\n\t\t\tTOUCH_ROTATE: 3,\n\t\t\tTOUCH_PAN: 4,\n\t\t\tTOUCH_DOLLY_PAN: 5,\n\t\t\tTOUCH_DOLLY_ROTATE: 6\n\t\t};\n\n\t\tlet state = STATE.NONE;\n\n\t\tconst EPS = 0.000001;\n\n\t\t// current position in spherical coordinates\n\t\tconst spherical = new Spherical();\n\t\tconst sphericalDelta = new Spherical();\n\n\t\tlet scale = 1;\n\t\tconst panOffset = new Vector3();\n\t\tlet zoomChanged = false;\n\n\t\tconst rotateStart = new Vector2();\n\t\tconst rotateEnd = new Vector2();\n\t\tconst rotateDelta = new Vector2();\n\n\t\tconst panStart = new Vector2();\n\t\tconst panEnd = new Vector2();\n\t\tconst panDelta = new Vector2();\n\n\t\tconst dollyStart = new Vector2();\n\t\tconst dollyEnd = new Vector2();\n\t\tconst dollyDelta = new Vector2();\n\n\t\tconst pointers = [];\n\t\tconst pointerPositions = {};\n\n\t\tfunction getAutoRotationAngle() {\n\n\t\t\treturn 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed;\n\n\t\t}\n\n\t\tfunction getZoomScale() {\n\n\t\t\treturn Math.pow( 0.95, scope.zoomSpeed );\n\n\t\t}\n\n\t\tfunction rotateLeft( angle ) {\n\n\t\t\tsphericalDelta.theta -= angle;\n\n\t\t}\n\n\t\tfunction rotateUp( angle ) {\n\n\t\t\tsphericalDelta.phi -= angle;\n\n\t\t}\n\n\t\tconst panLeft = function () {\n\n\t\t\tconst v = new Vector3();\n\n\t\t\treturn function panLeft( distance, objectMatrix ) {\n\n\t\t\t\tv.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix\n\t\t\t\tv.multiplyScalar( - distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\tconst panUp = function () {\n\n\t\t\tconst v = new Vector3();\n\n\t\t\treturn function panUp( distance, objectMatrix ) {\n\n\t\t\t\tif ( scope.screenSpacePanning === true ) {\n\n\t\t\t\t\tv.setFromMatrixColumn( objectMatrix, 1 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tv.setFromMatrixColumn( objectMatrix, 0 );\n\t\t\t\t\tv.crossVectors( scope.object.up, v );\n\n\t\t\t\t}\n\n\t\t\t\tv.multiplyScalar( distance );\n\n\t\t\t\tpanOffset.add( v );\n\n\t\t\t};\n\n\t\t}();\n\n\t\t// deltaX and deltaY are in pixels; right and down are positive\n\t\tconst pan = function () {\n\n\t\t\tconst offset = new Vector3();\n\n\t\t\treturn function pan( deltaX, deltaY ) {\n\n\t\t\t\tconst element = scope.domElement;\n\n\t\t\t\tif ( scope.object.isPerspectiveCamera ) {\n\n\t\t\t\t\t// perspective\n\t\t\t\t\tconst position = scope.object.position;\n\t\t\t\t\toffset.copy( position ).sub( scope.target );\n\t\t\t\t\tlet targetDistance = offset.length();\n\n\t\t\t\t\t// half of the fov is center to top of screen\n\t\t\t\t\ttargetDistance *= Math.tan( ( scope.object.fov / 2 ) * Math.PI / 180.0 );\n\n\t\t\t\t\t// we use only clientHeight here so aspect ratio does not distort speed\n\t\t\t\t\tpanLeft( 2 * deltaX * targetDistance / element.clientHeight, scope.object.matrix );\n\t\t\t\t\tpanUp( 2 * deltaY * targetDistance / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else if ( scope.object.isOrthographicCamera ) {\n\n\t\t\t\t\t// orthographic\n\t\t\t\t\tpanLeft( deltaX * ( scope.object.right - scope.object.left ) / scope.object.zoom / element.clientWidth, scope.object.matrix );\n\t\t\t\t\tpanUp( deltaY * ( scope.object.top - scope.object.bottom ) / scope.object.zoom / element.clientHeight, scope.object.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// camera neither orthographic nor perspective\n\t\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' );\n\t\t\t\t\tscope.enablePan = false;\n\n\t\t\t\t}\n\n\t\t\t};\n\n\t\t}();\n\n\t\tfunction dollyOut( dollyScale ) {\n\n\t\t\tif ( scope.object.isPerspectiveCamera ) {\n\n\t\t\t\tscale /= dollyScale;\n\n\t\t\t} else if ( scope.object.isOrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom * dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction dollyIn( dollyScale ) {\n\n\t\t\tif ( scope.object.isPerspectiveCamera ) {\n\n\t\t\t\tscale *= dollyScale;\n\n\t\t\t} else if ( scope.object.isOrthographicCamera ) {\n\n\t\t\t\tscope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom / dollyScale ) );\n\t\t\t\tscope.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\t\tscope.enableZoom = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\t\t// event callbacks - update the object state\n\t\t//\n\n\t\tfunction handleMouseDownRotate( event ) {\n\n\t\t\trotateStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownDolly( event ) {\n\n\t\t\tdollyStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseDownPan( event ) {\n\n\t\t\tpanStart.set( event.clientX, event.clientY );\n\n\t\t}\n\n\t\tfunction handleMouseMoveRotate( event ) {\n\n\t\t\trotateEnd.set( event.clientX, event.clientY );\n\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart ).multiplyScalar( scope.rotateSpeed );\n\n\t\t\tconst element = scope.domElement;\n\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientHeight ); // yes, height\n\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMoveDolly( event ) {\n\n\t\t\tdollyEnd.set( event.clientX, event.clientY );\n\n\t\t\tdollyDelta.subVectors( dollyEnd, dollyStart );\n\n\t\t\tif ( dollyDelta.y > 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t} else if ( dollyDelta.y < 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseMovePan( event ) {\n\n\t\t\tpanEnd.set( event.clientX, event.clientY );\n\n\t\t\tpanDelta.subVectors( panEnd, panStart ).multiplyScalar( scope.panSpeed );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleMouseWheel( event ) {\n\n\t\t\tif ( event.deltaY < 0 ) {\n\n\t\t\t\tdollyIn( getZoomScale() );\n\n\t\t\t} else if ( event.deltaY > 0 ) {\n\n\t\t\t\tdollyOut( getZoomScale() );\n\n\t\t\t}\n\n\t\t\tscope.update();\n\n\t\t}\n\n\t\tfunction handleKeyDown( event ) {\n\n\t\t\tlet needsUpdate = false;\n\n\t\t\tswitch ( event.code ) {\n\n\t\t\t\tcase scope.keys.UP:\n\t\t\t\t\tpan( 0, scope.keyPanSpeed );\n\t\t\t\t\tneedsUpdate = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.BOTTOM:\n\t\t\t\t\tpan( 0, - scope.keyPanSpeed );\n\t\t\t\t\tneedsUpdate = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.LEFT:\n\t\t\t\t\tpan( scope.keyPanSpeed, 0 );\n\t\t\t\t\tneedsUpdate = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase scope.keys.RIGHT:\n\t\t\t\t\tpan( - scope.keyPanSpeed, 0 );\n\t\t\t\t\tneedsUpdate = true;\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( needsUpdate ) {\n\n\t\t\t\t// prevent the browser from scrolling on cursor keys\n\t\t\t\tevent.preventDefault();\n\n\t\t\t\tscope.update();\n\n\t\t\t}\n\n\n\t\t}\n\n\t\tfunction handleTouchStartRotate() {\n\n\t\t\tif ( pointers.length === 1 ) {\n\n\t\t\t\trotateStart.set( pointers[ 0 ].pageX, pointers[ 0 ].pageY );\n\n\t\t\t} else {\n\n\t\t\t\tconst x = 0.5 * ( pointers[ 0 ].pageX + pointers[ 1 ].pageX );\n\t\t\t\tconst y = 0.5 * ( pointers[ 0 ].pageY + pointers[ 1 ].pageY );\n\n\t\t\t\trotateStart.set( x, y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction handleTouchStartPan() {\n\n\t\t\tif ( pointers.length === 1 ) {\n\n\t\t\t\tpanStart.set( pointers[ 0 ].pageX, pointers[ 0 ].pageY );\n\n\t\t\t} else {\n\n\t\t\t\tconst x = 0.5 * ( pointers[ 0 ].pageX + pointers[ 1 ].pageX );\n\t\t\t\tconst y = 0.5 * ( pointers[ 0 ].pageY + pointers[ 1 ].pageY );\n\n\t\t\t\tpanStart.set( x, y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction handleTouchStartDolly() {\n\n\t\t\tconst dx = pointers[ 0 ].pageX - pointers[ 1 ].pageX;\n\t\t\tconst dy = pointers[ 0 ].pageY - pointers[ 1 ].pageY;\n\n\t\t\tconst distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyStart.set( 0, distance );\n\n\t\t}\n\n\t\tfunction handleTouchStartDollyPan() {\n\n\t\t\tif ( scope.enableZoom ) handleTouchStartDolly();\n\n\t\t\tif ( scope.enablePan ) handleTouchStartPan();\n\n\t\t}\n\n\t\tfunction handleTouchStartDollyRotate() {\n\n\t\t\tif ( scope.enableZoom ) handleTouchStartDolly();\n\n\t\t\tif ( scope.enableRotate ) handleTouchStartRotate();\n\n\t\t}\n\n\t\tfunction handleTouchMoveRotate( event ) {\n\n\t\t\tif ( pointers.length == 1 ) {\n\n\t\t\t\trotateEnd.set( event.pageX, event.pageY );\n\n\t\t\t} else {\n\n\t\t\t\tconst position = getSecondPointerPosition( event );\n\n\t\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\t\trotateEnd.set( x, y );\n\n\t\t\t}\n\n\t\t\trotateDelta.subVectors( rotateEnd, rotateStart ).multiplyScalar( scope.rotateSpeed );\n\n\t\t\tconst element = scope.domElement;\n\n\t\t\trotateLeft( 2 * Math.PI * rotateDelta.x / element.clientHeight ); // yes, height\n\n\t\t\trotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight );\n\n\t\t\trotateStart.copy( rotateEnd );\n\n\t\t}\n\n\t\tfunction handleTouchMovePan( event ) {\n\n\t\t\tif ( pointers.length === 1 ) {\n\n\t\t\t\tpanEnd.set( event.pageX, event.pageY );\n\n\t\t\t} else {\n\n\t\t\t\tconst position = getSecondPointerPosition( event );\n\n\t\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\t\tpanEnd.set( x, y );\n\n\t\t\t}\n\n\t\t\tpanDelta.subVectors( panEnd, panStart ).multiplyScalar( scope.panSpeed );\n\n\t\t\tpan( panDelta.x, panDelta.y );\n\n\t\t\tpanStart.copy( panEnd );\n\n\t\t}\n\n\t\tfunction handleTouchMoveDolly( event ) {\n\n\t\t\tconst position = getSecondPointerPosition( event );\n\n\t\t\tconst dx = event.pageX - position.x;\n\t\t\tconst dy = event.pageY - position.y;\n\n\t\t\tconst distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\t\tdollyEnd.set( 0, distance );\n\n\t\t\tdollyDelta.set( 0, Math.pow( dollyEnd.y / dollyStart.y, scope.zoomSpeed ) );\n\n\t\t\tdollyOut( dollyDelta.y );\n\n\t\t\tdollyStart.copy( dollyEnd );\n\n\t\t}\n\n\t\tfunction handleTouchMoveDollyPan( event ) {\n\n\t\t\tif ( scope.enableZoom ) handleTouchMoveDolly( event );\n\n\t\t\tif ( scope.enablePan ) handleTouchMovePan( event );\n\n\t\t}\n\n\t\tfunction handleTouchMoveDollyRotate( event ) {\n\n\t\t\tif ( scope.enableZoom ) handleTouchMoveDolly( event );\n\n\t\t\tif ( scope.enableRotate ) handleTouchMoveRotate( event );\n\n\t\t}\n\n\t\t//\n\t\t// event handlers - FSM: listen for events and reset state\n\t\t//\n\n\t\tfunction onPointerDown( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tif ( pointers.length === 0 ) {\n\n\t\t\t\tscope.domElement.setPointerCapture( event.pointerId );\n\n\t\t\t\tscope.domElement.addEventListener( 'pointermove', onPointerMove );\n\t\t\t\tscope.domElement.addEventListener( 'pointerup', onPointerUp );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\taddPointer( event );\n\n\t\t\tif ( event.pointerType === 'touch' ) {\n\n\t\t\t\tonTouchStart( event );\n\n\t\t\t} else {\n\n\t\t\t\tonMouseDown( event );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onPointerMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tif ( event.pointerType === 'touch' ) {\n\n\t\t\t\tonTouchMove( event );\n\n\t\t\t} else {\n\n\t\t\t\tonMouseMove( event );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onPointerUp( event ) {\n\n\t\t removePointer( event );\n\n\t\t if ( pointers.length === 0 ) {\n\n\t\t scope.domElement.releasePointerCapture( event.pointerId );\n\n\t\t scope.domElement.removeEventListener( 'pointermove', onPointerMove );\n\t\t scope.domElement.removeEventListener( 'pointerup', onPointerUp );\n\n\t\t }\n\n\t\t scope.dispatchEvent( _endEvent );\n\n\t\t state = STATE.NONE;\n\n\t\t}\n\n\t\tfunction onPointerCancel( event ) {\n\n\t\t\tremovePointer( event );\n\n\t\t}\n\n\t\tfunction onMouseDown( event ) {\n\n\t\t\tlet mouseAction;\n\n\t\t\tswitch ( event.button ) {\n\n\t\t\t\tcase 0:\n\n\t\t\t\t\tmouseAction = scope.mouseButtons.LEFT;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 1:\n\n\t\t\t\t\tmouseAction = scope.mouseButtons.MIDDLE;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2:\n\n\t\t\t\t\tmouseAction = scope.mouseButtons.RIGHT;\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tmouseAction = - 1;\n\n\t\t\t}\n\n\t\t\tswitch ( mouseAction ) {\n\n\t\t\t\tcase MOUSE.DOLLY:\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\t\thandleMouseDownDolly( event );\n\n\t\t\t\t\tstate = STATE.DOLLY;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MOUSE.ROTATE:\n\n\t\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\t\thandleMouseDownPan( event );\n\n\t\t\t\t\t\tstate = STATE.PAN;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\t\thandleMouseDownRotate( event );\n\n\t\t\t\t\t\tstate = STATE.ROTATE;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MOUSE.PAN:\n\n\t\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\t\thandleMouseDownRotate( event );\n\n\t\t\t\t\t\tstate = STATE.ROTATE;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\t\thandleMouseDownPan( event );\n\n\t\t\t\t\t\tstate = STATE.PAN;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tscope.dispatchEvent( _startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseMove( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tswitch ( state ) {\n\n\t\t\t\tcase STATE.ROTATE:\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\thandleMouseMoveRotate( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.DOLLY:\n\n\t\t\t\t\tif ( scope.enableZoom === false ) return;\n\n\t\t\t\t\thandleMouseMoveDolly( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.PAN:\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\thandleMouseMovePan( event );\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onMouseWheel( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enableZoom === false || state !== STATE.NONE ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t\tscope.dispatchEvent( _startEvent );\n\n\t\t\thandleMouseWheel( event );\n\n\t\t\tscope.dispatchEvent( _endEvent );\n\n\t\t}\n\n\t\tfunction onKeyDown( event ) {\n\n\t\t\tif ( scope.enabled === false || scope.enablePan === false ) return;\n\n\t\t\thandleKeyDown( event );\n\n\t\t}\n\n\t\tfunction onTouchStart( event ) {\n\n\t\t\ttrackPointer( event );\n\n\t\t\tswitch ( pointers.length ) {\n\n\t\t\t\tcase 1:\n\n\t\t\t\t\tswitch ( scope.touches.ONE ) {\n\n\t\t\t\t\t\tcase TOUCH.ROTATE:\n\n\t\t\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\t\t\thandleTouchStartRotate();\n\n\t\t\t\t\t\t\tstate = STATE.TOUCH_ROTATE;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TOUCH.PAN:\n\n\t\t\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\t\t\thandleTouchStartPan();\n\n\t\t\t\t\t\t\tstate = STATE.TOUCH_PAN;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 2:\n\n\t\t\t\t\tswitch ( scope.touches.TWO ) {\n\n\t\t\t\t\t\tcase TOUCH.DOLLY_PAN:\n\n\t\t\t\t\t\t\tif ( scope.enableZoom === false && scope.enablePan === false ) return;\n\n\t\t\t\t\t\t\thandleTouchStartDollyPan();\n\n\t\t\t\t\t\t\tstate = STATE.TOUCH_DOLLY_PAN;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase TOUCH.DOLLY_ROTATE:\n\n\t\t\t\t\t\t\tif ( scope.enableZoom === false && scope.enableRotate === false ) return;\n\n\t\t\t\t\t\t\thandleTouchStartDollyRotate();\n\n\t\t\t\t\t\t\tstate = STATE.TOUCH_DOLLY_ROTATE;\n\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t\tif ( state !== STATE.NONE ) {\n\n\t\t\t\tscope.dispatchEvent( _startEvent );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onTouchMove( event ) {\n\n\t\t\ttrackPointer( event );\n\n\t\t\tswitch ( state ) {\n\n\t\t\t\tcase STATE.TOUCH_ROTATE:\n\n\t\t\t\t\tif ( scope.enableRotate === false ) return;\n\n\t\t\t\t\thandleTouchMoveRotate( event );\n\n\t\t\t\t\tscope.update();\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.TOUCH_PAN:\n\n\t\t\t\t\tif ( scope.enablePan === false ) return;\n\n\t\t\t\t\thandleTouchMovePan( event );\n\n\t\t\t\t\tscope.update();\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.TOUCH_DOLLY_PAN:\n\n\t\t\t\t\tif ( scope.enableZoom === false && scope.enablePan === false ) return;\n\n\t\t\t\t\thandleTouchMoveDollyPan( event );\n\n\t\t\t\t\tscope.update();\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase STATE.TOUCH_DOLLY_ROTATE:\n\n\t\t\t\t\tif ( scope.enableZoom === false && scope.enableRotate === false ) return;\n\n\t\t\t\t\thandleTouchMoveDollyRotate( event );\n\n\t\t\t\t\tscope.update();\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tstate = STATE.NONE;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onContextMenu( event ) {\n\n\t\t\tif ( scope.enabled === false ) return;\n\n\t\t\tevent.preventDefault();\n\n\t\t}\n\n\t\tfunction addPointer( event ) {\n\n\t\t\tpointers.push( event );\n\n\t\t}\n\n\t\tfunction removePointer( event ) {\n\n\t\t\tdelete pointerPositions[ event.pointerId ];\n\n\t\t\tfor ( let i = 0; i < pointers.length; i ++ ) {\n\n\t\t\t\tif ( pointers[ i ].pointerId == event.pointerId ) {\n\n\t\t\t\t\tpointers.splice( i, 1 );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction trackPointer( event ) {\n\n\t\t\tlet position = pointerPositions[ event.pointerId ];\n\n\t\t\tif ( position === undefined ) {\n\n\t\t\t\tposition = new Vector2();\n\t\t\t\tpointerPositions[ event.pointerId ] = position;\n\n\t\t\t}\n\n\t\t\tposition.set( event.pageX, event.pageY );\n\n\t\t}\n\n\t\tfunction getSecondPointerPosition( event ) {\n\n\t\t\tconst pointer = ( event.pointerId === pointers[ 0 ].pointerId ) ? pointers[ 1 ] : pointers[ 0 ];\n\n\t\t\treturn pointerPositions[ pointer.pointerId ];\n\n\t\t}\n\n\t\t//\n\n\t\tscope.domElement.addEventListener( 'contextmenu', onContextMenu );\n\n\t\tscope.domElement.addEventListener( 'pointerdown', onPointerDown );\n\t\tscope.domElement.addEventListener( 'pointercancel', onPointerCancel );\n\t\tscope.domElement.addEventListener( 'wheel', onMouseWheel, { passive: false } );\n\n\t\t// force an update at start\n\n\t\tthis.update();\n\n\t}\n\n}\n\n\n// This set of controls performs orbiting, dollying (zooming), and panning.\n// Unlike TrackballControls, it maintains the \"up\" direction object.up (+Y by default).\n// This is very similar to OrbitControls, another set of touch behavior\n//\n// Orbit - right mouse, or left mouse + ctrl/meta/shiftKey / touch: two-finger rotate\n// Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish\n// Pan - left mouse, or arrow keys / touch: one-finger move\n\nclass MapControls extends OrbitControls {\n\n\tconstructor( object, domElement ) {\n\n\t\tsuper( object, domElement );\n\n\t\tthis.screenSpacePanning = false; // pan orthogonal to world-space direction camera.up\n\n\t\tthis.mouseButtons.LEFT = MOUSE.PAN;\n\t\tthis.mouseButtons.RIGHT = MOUSE.ROTATE;\n\n\t\tthis.touches.ONE = TOUCH.PAN;\n\t\tthis.touches.TWO = TOUCH.DOLLY_ROTATE;\n\n\t}\n\n}\n\nexport { OrbitControls, MapControls };\n", "import type { Vector3 } from 'three';\n\nimport type { Coordinate3d, CoordinateXYZ } from './Coordinates';\n\nlet scaleFactor = 1.0;\n\n/**\n * Set the number of units per AU.\n */\nexport function setScaleFactor(val: number) {\n scaleFactor = val;\n}\n\n/**\n * Get the number of units per AU.\n */\nexport function getScaleFactor(): number {\n return scaleFactor;\n}\n\nexport function rescalePos(pos: CoordinateXYZ): CoordinateXYZ {\n pos.x *= scaleFactor;\n pos.y *= scaleFactor;\n pos.z *= scaleFactor;\n return pos;\n}\n\nexport function rescaleArray(XYZ: Coordinate3d): Coordinate3d {\n return [XYZ[0] * scaleFactor, XYZ[1] * scaleFactor, XYZ[2] * scaleFactor];\n}\n\nexport function rescaleXYZ(X: number, Y: number, Z: number): Coordinate3d {\n return [X * scaleFactor, Y * scaleFactor, Z * scaleFactor];\n}\n\nexport function rescaleVector(vec: Vector3): Vector3 {\n return vec.multiplyScalar(scaleFactor);\n}\n\nexport function rescaleNumber(x: number): number {\n return scaleFactor * x;\n}\n", "import * as THREE from 'three';\nimport { OrbitControls } from 'three/examples/jsm/controls/OrbitControls';\nimport type { PerspectiveCamera } from 'three';\n\nimport { rescaleNumber, rescaleArray } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\nimport type { SimulationContext } from './Simulation';\nimport type { SpaceObject } from './SpaceObject';\n\n/**\n * A wrapper for Three.js camera and controls.\n * TODO(ian): Rename to \"Viewer\"\n */\nexport default class Camera {\n private context: SimulationContext;\n\n private camera: PerspectiveCamera;\n\n private cameraControls: OrbitControls;\n\n private followMesh?: THREE.Object3D;\n\n /**\n * @param {Object} context The simulation context\n */\n constructor(context: SimulationContext) {\n // TODO(ian): Accept either context or container\n this.context = context;\n\n // Optional mesh that we are following.\n this.followMesh = undefined;\n\n const containerWidth = this.context.container.width;\n const containerHeight = this.context.container.height;\n\n const camera = new THREE.PerspectiveCamera(\n 50,\n containerWidth / containerHeight,\n rescaleNumber(0.00001),\n rescaleNumber(2000),\n );\n this.camera = camera;\n\n // Controls\n // TODO(ian): Set maxDistance to prevent camera farplane cutoff.\n // See https://discourse.threejs.org/t/camera-zoom-to-fit-object/936/6\n\n // TODO(ian): Access this better\n const renderer = this.context.simulation.getRenderer();\n\n const controls = new OrbitControls(this.camera, renderer.domElement);\n controls.enableDamping = true;\n controls.dampingFactor = 0.05;\n controls.enablePan = true;\n controls.zoomSpeed = 1.5;\n controls.panSpeed = 2;\n controls.rotateSpeed = 2;\n controls.mouseButtons = {\n LEFT: THREE.MOUSE.ROTATE,\n MIDDLE: THREE.MOUSE.DOLLY,\n RIGHT: THREE.MOUSE.PAN,\n };\n controls.touches = {\n ONE: THREE.TOUCH.ROTATE,\n TWO: THREE.TOUCH.DOLLY_ROTATE,\n };\n this.cameraControls = controls;\n }\n\n /**\n * Move the camera to follow a SpaceObject as it moves. Currently only works\n * for non-particlesystems.\n * @param {SpaceObject} obj SpaceObject to follow.\n * @param {Array.} position Position of the camera with respect to\n * the object.\n */\n followObject(obj: SpaceObject, position: Coordinate3d) {\n const followMesh = obj.get3jsObjects()[0];\n\n this.cameraControls.enablePan = false;\n\n const rescaled = rescaleArray(position);\n this.camera.position.add(\n new THREE.Vector3(rescaled[0], rescaled[1], rescaled[2]),\n );\n\n this.cameraControls.update();\n this.followMesh = followMesh;\n }\n\n /**\n * Stop the camera from following the object.\n */\n stopFollowingObject() {\n if (this.followMesh) {\n this.followMesh.remove(this.camera);\n this.followMesh = undefined;\n this.cameraControls.enablePan = true;\n }\n }\n\n /**\n * @returns {boolean} True if camera is following object.\n */\n isFollowingObject(): boolean {\n return !!this.followMesh;\n }\n\n /**\n * @returns {THREE.PerspectiveCamera} The THREE.js camera object.\n */\n get3jsCamera(): THREE.PerspectiveCamera {\n return this.camera;\n }\n\n /**\n * @returns {THREE.OrbitControls} The THREE.js CameraControls object.\n */\n get3jsCameraControls(): OrbitControls {\n return this.cameraControls;\n }\n\n /**\n * Update the camera position and process control inputs.\n */\n update() {\n if (this.isFollowingObject()) {\n const newpos = this.followMesh!.position.clone();\n\n const offset = newpos.clone().sub(this.cameraControls.target);\n this.camera.position.add(offset);\n\n this.cameraControls.target.set(newpos.x, newpos.y, newpos.z);\n }\n\n // Handle control movements\n this.cameraControls.update();\n\n // Update camera matrix\n this.camera.updateMatrixWorld();\n }\n}\n", "export default class Units {\n static rad(val: number): number {\n return (val * Math.PI) / 180;\n }\n\n static deg(val: number): number {\n return (val * 180) / Math.PI;\n }\n\n static hoursToDeg(val: number): number {\n return val * 15.0;\n }\n\n static sexagesimalToDecimalRa(\n raHour: number,\n raMin: number,\n raSec: number,\n ): number {\n // https://astronomy.stackexchange.com/questions/24518/convert-a-decimal-into-ra-or-dec\n return raHour * 15.0 + raMin / 4.0 + raSec / 240.0;\n }\n\n static sexagesimalToDecimalDec(\n decDeg: number,\n decMin: number,\n decSec: number,\n isObserverBelowEquator: boolean = false,\n ): number {\n const posneg = isObserverBelowEquator ? -1 : 1;\n return decDeg + decMin / 60.0 + (posneg * decSec) / 3600.0;\n }\n\n static valToSexagesimalRa(val: number): [number, number, number] {\n const raHour = Math.trunc(val / 15.0);\n const raMin = Math.trunc((val - raHour * 15.0) * 4.0);\n const raSec = (val - raHour * 15.0 - raMin / 4.0) * 240.0;\n return [raHour, raMin, raSec];\n }\n\n static decimalToSexagesimalDec(\n val: number,\n isObserverBelowEquator: boolean = false,\n ) {\n const posneg = isObserverBelowEquator ? -1 : 1;\n\n const decDeg = Math.trunc(val);\n const decMin = Math.trunc((val - posneg * decDeg) * 60.0 * posneg);\n const decSec =\n (val - posneg * decDeg - (posneg * decMin) / 60.0) * 3600.0 * posneg;\n return [decDeg, decMin, decSec];\n }\n\n static kmToAu(km: number): number {\n return km / 149597870.7;\n }\n\n static auToKm(au: number): number {\n return au * 149597870.7;\n }\n}\n", "import Units from './Units';\n\nexport type Coordinate3d = [number, number, number];\nexport type CoordinateXYZ = {\n x: number;\n y: number;\n z: number;\n};\n\nconst J2000: number = 2451545.0;\n\nexport default class Coordinates {\n static sphericalToCartesian(\n ra: number,\n dec: number,\n dist: number,\n ): Coordinate3d {\n // See http://www.stargazing.net/kepler/rectang.html\n return [\n dist * Math.cos(ra) * Math.cos(dec),\n dist * Math.sin(ra) * Math.cos(dec),\n dist * Math.sin(dec),\n ];\n }\n\n /**\n * See https://en.wikipedia.org/wiki/Ecliptic_coordinate_system#Converting_Cartesian_vector\n */\n static equatorialToEcliptic_Cartesian(\n x: number,\n y: number,\n z: number,\n tilt: number,\n ): Coordinate3d {\n return [\n x,\n Math.cos(tilt) * y + Math.sin(tilt) * z,\n -Math.sin(tilt) * y + Math.cos(tilt) * z,\n ];\n }\n\n static eclipticToEquatorial_Cartesian(\n x: number,\n y: number,\n z: number,\n tilt: number,\n ): Coordinate3d {\n return [\n x,\n Math.cos(tilt) * y + -Math.sin(tilt) * z,\n Math.sin(tilt) * y + Math.cos(tilt) * z,\n ];\n }\n\n /**\n * Get Earth's obliquity and nutation at a given date.\n * @param {Number} jd JD date\n * @return {Object} Object with attributes \"obliquity\" and \"nutation\" provided\n * in radians\n */\n static getNutationAndObliquity(jd: number = J2000): {\n nutation: number;\n obliquity: number;\n } {\n const t = (jd - J2000) / 36525;\n const omega = Units.rad(\n 125.04452 - 1934.136261 * t + 0.0020708 * t * t + (t * t + t) / 450000,\n );\n const Lsun = Units.rad(280.4665 + 36000.7698 * t);\n const Lmoon = Units.rad(218.3165 + 481267.8813 * t);\n\n const nutation =\n (-17.2 / 3600) * Math.sin(omega) -\n (-1.32 / 3600) * Math.sin(2 * Lsun) -\n (0.23 / 3600) * Math.sin(2 * Lmoon) +\n Units.deg((0.21 / 3600) * Math.sin(2 * omega));\n\n const obliquity_zero =\n 23 +\n 26.0 / 60 +\n 21.448 / 3600 -\n (46.815 / 3600) * t -\n (0.00059 / 3600) * t * t +\n (0.001813 / 3600) * t * t * t;\n const obliquity_delta =\n (9.2 / 3600) * Math.cos(omega) +\n (0.57 / 3600) * Math.cos(2 * Lsun) +\n (0.1 / 3600) * Math.cos(2 * Lmoon) -\n (0.09 / 3600) * Math.cos(2 * omega);\n const obliquity = obliquity_zero + obliquity_delta;\n\n return {\n nutation: Units.rad(nutation),\n obliquity: Units.rad(obliquity),\n };\n }\n\n /**\n * Get Earth's obliquity at a given date.\n * @param {Number} jd JD date\n * @return {Number} Obliquity in radians\n */\n static getObliquity(jd: number = J2000): number {\n return this.getNutationAndObliquity(jd).obliquity;\n }\n}\n", "const METERS_IN_AU = 149597870700;\nconst SECONDS_IN_DAY = 86400;\n\ntype EphemAttribute =\n | 'a'\n | 'e'\n | 'i'\n | 'q'\n | 'epoch'\n | 'period'\n | 'tp'\n | 'ma'\n | 'n'\n | 'L'\n | 'om'\n | 'w'\n | 'wBar'\n | 'GM';\n\ninterface EphemAttributes {\n a?: number;\n e?: number;\n i?: number;\n q?: number;\n epoch?: number;\n period?: number;\n tp?: number;\n\n ma?: number;\n n?: number;\n L?: number;\n om?: number;\n w?: number;\n wBar?: number;\n GM?: number;\n}\n\n// TODO(ian): Allow multiple valid attrs for a single quantity and map them\n// internally to a single canonical attribute.\nconst EPHEM_VALID_ATTRS: Set = new Set([\n 'a', // Semi-major axis\n 'e', // Eccentricity\n 'i', // Inclination\n 'q', // Perihelion distance\n\n 'epoch',\n 'period', // in days\n 'tp', // time of perihelion\n\n 'ma', // Mean anomaly\n 'n', // Mean motion\n 'L', // Mean longitude\n\n 'om', // Longitude of Ascending Node\n 'w', // Argument of Perihelion = Longitude of Perihelion - Longitude of Ascending Node\n 'wBar', // Longitude of Perihelion = Longitude of Ascending Node + Argument of Perihelion\n\n 'GM', // Gravitational constant of more massive body\n]);\n\n// Which of these are angular measurements.\nconst ANGLE_UNITS: Set = new Set([\n 'i',\n 'ma',\n 'n',\n 'L',\n 'om',\n 'w',\n 'wBar',\n]);\n\n/**\n * Standard gravitational parameter for objects orbiting these bodies.\n * Units in m^3/s^2\n */\nexport const GM: {\n SUN: number;\n MERCURY: number;\n VENUS: number;\n EARTH_MOON: number;\n MARS: number;\n JUPITER: number;\n SATURN: number;\n URANUS: number;\n NEPTUNE: number;\n PLUTO_CHARON: number;\n} = {\n // See https://space.stackexchange.com/questions/22948/where-to-find-the-best-values-for-standard-gravitational-parameters-of-solar-sys and https://naif.jpl.nasa.gov/pub/naif/generic_kernels/pck/gm_de431.tpc\n SUN: 1.3271244004193938e20,\n MERCURY: 2.2031780000000021e13,\n VENUS: 3.2485859200000006e14,\n EARTH_MOON: 4.0350323550225981e14,\n MARS: 4.2828375214000022e13,\n JUPITER: 1.2671276480000021e17,\n SATURN: 3.7940585200000003e16,\n URANUS: 5.794548600000008e15,\n NEPTUNE: 6.8365271005800236e15,\n PLUTO_CHARON: 9.7700000000000068e11,\n};\n\n// Returns true if object is a number.\nfunction isDef(obj?: number) {\n return typeof obj !== 'undefined' && Number.isFinite(obj);\n}\n\n/**\n * A class representing Kepler ephemerides.\n * @example\n * ```\n * const NEPTUNE = new Ephem({\n * epoch: 2458426.500000000,\n * a: 3.009622263428050E+01,\n * e: 7.362571187193770E-03,\n * i: 1.774569249829094E+00,\n * om: 1.318695882492132E+02,\n * w: 2.586226409499831E+02,\n * ma: 3.152804988924479E+02,\n * }, 'deg'),\n * ```\n */\nexport class Ephem {\n private attrs: EphemAttributes;\n\n private locked: boolean;\n\n /**\n * @param {Object} initialValues A dictionary of initial values. Not all values\n * are required as some may be inferred from others.\n * @param {Number} initialValues.a Semimajor axis\n * @param {Number} initialValues.e Eccentricity\n * @param {Number} initialValues.i Inclination\n * @param {Number} initialValues.epoch Epoch in JD\n * @param {Number} initialValues.period Period in days\n * @param {Number} initialValues.ma Mean anomaly\n * @param {Number} initialValues.n Mean motion\n * @param {Number} initialValues.L Mean longitude\n * @param {Number} initialValues.om Longitude of Ascending Node\n * @param {Number} initialValues.w Argument of Perihelion\n * @param {Number} initialValues.wBar Longitude of Perihelion\n * @param {GM} initialValues.GM Standard gravitational parameter in km^3/s^2.\n * Defaults to GM.SUN. @see {GM}\n * @param {'deg'|'rad'} units The unit of angles in the list of initial values.\n */\n constructor(\n initialValues: EphemAttributes,\n units: 'rad' | 'deg' = 'rad',\n locked: boolean = false,\n ) {\n this.attrs = {};\n this.locked = false;\n\n for (const attr in initialValues) {\n if (initialValues.hasOwnProperty(attr)) {\n const actualUnits = ANGLE_UNITS.has(attr) ? units : null;\n this.set(\n attr as EphemAttribute,\n initialValues[attr as keyof EphemAttributes] as number,\n actualUnits as 'rad' | 'deg',\n );\n }\n }\n\n if (typeof this.attrs.GM === 'undefined') {\n this.attrs.GM = GM.SUN;\n }\n this.fill();\n\n if (this.get('e') >= 0.999 && typeof this.getUnsafe('tp') === 'undefined') {\n console.warn(\n 'You must specify \"tp\" (time of perihelion) for highly eccentric orbits',\n );\n }\n\n this.locked = locked;\n }\n\n /**\n * Sets an ephemerides attribute.\n * @param {String} attr The name of the attribute (e.g. 'a')\n * @param {Number} val The value of the attribute (e.g. 0.5)\n * @param {'deg'|'rad'} units The unit of angle provided, if applicable.\n */\n set(attr: EphemAttribute, val: number, units: 'deg' | 'rad' = 'rad') {\n if (this.locked) {\n throw new Error('Attempted to modify locked (immutable) Ephem object');\n }\n\n if (!EPHEM_VALID_ATTRS.has(attr)) {\n console.warn(`Invalid ephem attr: ${attr}`);\n return false;\n }\n\n // Store everything in radians.\n // TODO(ian): Make sure value can't be set with bogus units.\n if (units === 'deg') {\n this.attrs[attr] = (val * Math.PI) / 180;\n } else {\n this.attrs[attr] = val;\n }\n return true;\n }\n\n /**\n * Gets an ephemerides attribute, but may return undefined if it's not set.\n * @param {String} attr The name of the attribute (e.g. 'a')\n * @param {'deg'|'rad'} units The unit of angle desired, if applicable. This\n * input is ignored for values that are not angle measurements.\n * @return {Number} Ephemeris attribute value, or undefined\n */\n getUnsafe(\n attr: EphemAttribute,\n units: 'deg' | 'rad' = 'rad',\n ): number | undefined {\n if (units === 'deg') {\n const attrVal = this.attrs[attr];\n if (typeof attrVal === 'undefined') {\n return undefined;\n }\n return (attrVal * 180) / Math.PI;\n }\n return this.attrs[attr];\n }\n\n /**\n * Gets an ephemerides attribute.\n * @param {String} attr The name of the attribute (e.g. 'a')\n * @param {'deg'|'rad'} units The unit of angle desired, if applicable. This\n * input is ignored for values that are not angle measurements.\n * @return {Number} Ephemeris attribute value\n */\n get(attr: EphemAttribute, units: 'deg' | 'rad' = 'rad'): number {\n const retVal = this.getUnsafe(attr, units);\n if (typeof retVal === 'undefined') {\n console.info(this.attrs);\n throw new Error(\n `Attempted to get ephemeris value '${attr}' but it was undefined`,\n );\n }\n return retVal;\n }\n\n /**\n * @private\n * Infers values of some ephemerides attributes if the required information\n * is available.\n */\n private fill() {\n // Perihelion distance and semimajor axis\n const e = this.getUnsafe('e');\n if (!isDef(e)) {\n console.info(this.attrs);\n throw new Error('Must define eccentricity \"e\" in an orbit');\n }\n\n // Semimajor axis and perihelion distance\n let a = this.getUnsafe('a');\n let q = this.getUnsafe('q');\n if (isDef(a)) {\n if (!isDef(q)) {\n if (e! >= 1.0) {\n throw new Error(\n 'Must provide perihelion distance \"q\" if eccentricity \"e\" is greater than 1',\n );\n }\n q = a! * (1.0 - e!);\n this.set('q', q);\n }\n } else if (isDef(q)) {\n a = q! / (1.0 - e!);\n this.set('a', a);\n } else {\n throw new Error(\n 'Must define semimajor axis \"a\" or perihelion distance \"q\" in an orbit',\n );\n }\n\n // Longitude/Argument of Perihelion and Long. of Ascending Node\n let w = this.getUnsafe('w');\n let wBar = this.getUnsafe('wBar');\n let om = this.getUnsafe('om');\n if (isDef(w) && isDef(om) && !isDef(wBar)) {\n wBar = w! + om!;\n this.set('wBar', wBar);\n } else if (isDef(wBar) && isDef(om) && !isDef(w)) {\n w = wBar! - om!;\n this.set('w', w);\n } else if (isDef(w) && isDef(wBar) && !isDef(om)) {\n om = wBar! - w!;\n this.set('om', om);\n }\n\n // Mean motion and period\n const aMeters = a! * METERS_IN_AU;\n const n = this.getUnsafe('n');\n const GM = this.getUnsafe('GM');\n let period = this.getUnsafe('period');\n\n if (!isDef(period) && isDef(a)) {\n if (!isDef(GM)) {\n throw new Error('Expected ephemeris attribute GM to be set');\n }\n period =\n (2 * Math.PI * Math.sqrt((aMeters * aMeters * aMeters) / GM!)) /\n SECONDS_IN_DAY;\n this.set('period', period);\n }\n\n if (e! < 1.0) {\n // Only work with mean motion for elliptical orbits.\n if (isDef(period) && !isDef(n)) {\n // Set radians\n const newN = (2.0 * Math.PI) / period!;\n this.set('n', newN);\n } else if (isDef(n) && !isDef(period)) {\n this.set('period', (2.0 * Math.PI) / n!);\n }\n }\n\n // Mean longitude\n const ma = this.getUnsafe('ma');\n let L = this.getUnsafe('L');\n if (!isDef(L) && isDef(om) && isDef(w) && isDef(ma)) {\n L = om! + w! + ma!;\n this.set('L', L);\n }\n\n // Mean anomaly\n if (!isDef(ma)) {\n // MA = Mean longitude - Longitude of perihelion\n this.set('ma', L! - wBar!);\n }\n\n // TODO(ian): Handle no om\n }\n\n /**\n * Make this ephem object immutable.\n */\n lock() {\n this.locked = true;\n }\n\n copy(): Ephem {\n return new Ephem(\n {\n GM: this.getUnsafe('GM'),\n epoch: this.getUnsafe('epoch'),\n a: this.getUnsafe('a'),\n e: this.getUnsafe('e'),\n i: this.getUnsafe('i'),\n om: this.getUnsafe('om'),\n ma: this.getUnsafe('ma'),\n w: this.getUnsafe('w'),\n },\n 'rad',\n );\n }\n}\n", "/**\n * Interpolates the given 2D array of data using a Lagrange Polynomial interpolation. User specifies first/last row\n * versus giving a number of sample points and a starting index. For best performance number of points generally would\n * be between 1 (linear) and 7\n *\n * @param {Array} data array\n * @param {Number} xValue value of x to evaluate for function y = f(x) represented by the data\n * @param {Number} sampleRowMin first row of data to use for the interpolation\n * @param {Number} sampleRowMax last row of data to use for the interpolation\n * @param {Number} xIndex the column of data which represents the 'x' variable of y = f(x)\n * @param {Number} yIndex the column of data which represents the 'y' curve data of y = f(x)\n * @returns {Number} the interpolated value of the function f(x) from the data\n */\nexport function interpolate(\n data: number[][],\n xValue: number,\n sampleRowMin: number,\n sampleRowMax: number,\n xIndex: number,\n yIndex: number,\n): number {\n if (data === undefined) {\n throw 'data object is undefined';\n }\n\n if (!Array.isArray(data)) {\n throw 'data object must be an array';\n }\n\n if (sampleRowMin >= sampleRowMax) {\n throw 'first row must be greater than last row';\n }\n\n if (sampleRowMin < 0) {\n throw 'first row must be greater than zero';\n }\n\n if (sampleRowMax > data.length - 1) {\n throw 'last row must be ';\n }\n\n if (!Array.isArray(data[sampleRowMin])) {\n throw 'data in rows must be array data';\n }\n\n const maxColumn = data[0].length - 1;\n if (xIndex < 0 || xIndex > maxColumn) {\n throw `xIndex has to be between 0 and ${maxColumn}: ${xIndex}`;\n }\n\n if (yIndex < 0 || yIndex > maxColumn) {\n throw `yIndex has to be between 0 and ${maxColumn}: ${yIndex}`;\n }\n\n let sum = 0;\n for (let j = sampleRowMin; j <= sampleRowMax; j++) {\n let prod = 1;\n for (let k = sampleRowMin; k <= sampleRowMax; k++) {\n if (k === j) {\n continue;\n }\n prod *= (xValue - data[k][xIndex]) / (data[j][xIndex] - data[k][xIndex]);\n }\n\n sum += prod * data[j][yIndex];\n }\n\n return sum;\n}\n", "import * as THREE from 'three';\n\nconst DEFAULT_COMPARER_METHOD = (a: any, b: any) => {\n return a - b;\n};\n/**\n * @ignore\n */\nexport const DEFAULT_TEXTURE_URL = '{{assets}}/sprites/fuzzyparticle.png';\n\n/**\n * Returns the complete URL to a texture given a basepath and a template url.\n * @param {String} template URL containing optional template parameters\n * @param {String} basePath Base path\n * @example\n * ```\n * getFullUrl('{{assets}}/images/mysprite.png', '/path/to/assets')\n * => '/path/to/assets/images/mysprite.png'\n * ```\n */\nexport function getFullUrl(template: string, basePath: string) {\n return template\n .replace('{{assets}}', `${basePath}/assets`)\n .replace('{{data}}', `${basePath}/data`);\n}\n\n/**\n * Returns the complete URL to a texture given a basepath and a template url.\n * @param {String} template URL containing optional template parameters\n * @param {String} basePath Base path for simulation data and assets.\n * @example\n * ```\n * getFullTextureUrl('{{assets}}/images/mysprite.png', '/path/to/assets')\n * => '/path/to/assets/images/mysprite.png'\n * ```\n */\nexport function getFullTextureUrl(template: string, basePath: string) {\n return getFullUrl(template || DEFAULT_TEXTURE_URL, basePath);\n}\n\n/*\n * Returns a THREE.js texture given a basepath and a template url.\n * @param {String} template URL containing optional template parameters\n * @param {String} basePath Base path for simulation data and assets.\n */\nexport function getThreeJsTexture(template: string, basePath: string) {\n const fullTextureUrl = getFullTextureUrl(template, basePath);\n return new THREE.TextureLoader().load(fullTextureUrl);\n}\n\nexport function getDefaultBasePath() {\n return window.location.href.indexOf('localhost') > -1\n ? '/src/'\n : 'https://typpo.github.io/spacekit/src';\n}\n\n/**\n * Performs a standard binary search on an array of values returning the index of the found item or the twos complement\n * negative of the closest value if the exact value isn't found. For example for array: [10, 20, 30]\n * * Searching for a value of 20 would return an index of 1\n * * Searching for a value of 12 would return a value of -2 (taking the two's complement back '~' give you 1)\n * @param {Array} data an array of values of the type consistent with the comparer method\n * @param value the value to be searched for in the data array\n * @param {Function} [comparer] a function which takes two arguments: first of same type as data row and second as same\n * time as value to compare. Default method is a numerical comparison\n * @returns {number}\n */\nexport function binarySearch(\n data: any[],\n value: any,\n comparer = DEFAULT_COMPARER_METHOD,\n) {\n if (data === undefined) {\n throw 'data object is undefined';\n }\n\n if (!Array.isArray(data)) {\n throw 'data object must be an array';\n }\n\n if (value === undefined) {\n throw 'value object must be defined';\n }\n\n if (comparer === undefined) {\n throw 'comparer must be defined';\n }\n\n let left = 0;\n let right = data.length;\n\n while (left <= right) {\n let middle = Math.floor((left + right) / 2);\n if (middle === data.length) {\n return middle;\n }\n let comparisonCalc = comparer(data[middle], value);\n if (comparisonCalc < 0) {\n left = middle + 1;\n } else if (comparisonCalc > 0) {\n right = middle - 1;\n } else {\n return middle;\n }\n }\n\n return ~left;\n}\n", "import * as SpacekitMath from './Math';\nimport * as Util from './util';\n\nimport Units from './Units';\n\nimport type { Coordinate3d } from './Coordinates';\n\n/**\n * A class representing an ephemeris look-up table for defining a space object.\n */\n\n// Types\ntype InterpolationType = 'lagrange';\ntype EphemType = 'cartesianposvel';\ntype DistanceUnits = 'au' | 'km';\ntype TimeUnits = 'day' | 'sec';\n\ninterface EphemerisTableUnits {\n distance: DistanceUnits;\n time: TimeUnits;\n}\n\ninterface EphemerisTableData {\n data: number[][];\n // TODO(ian): Add the valid strings to typing.\n ephemerisType: EphemType;\n distanceUnits: DistanceUnits;\n timeUnits: TimeUnits;\n interpolationType: InterpolationType;\n interpolationOrder: number;\n}\n\n// Constants\nconst MAX_INTERPOLATION_ORDER = 20;\nconst INCREASING_JDATE_SEARCH_METHOD = (a: number[], b: number) => a[0] - b;\n\n// Default Values\nconst DEFAULT_UNITS: EphemerisTableUnits = {\n distance: 'au',\n time: 'day',\n};\n\nconst DEFAULT_EPHEM_TYPE = 'cartesianposvel';\nconst DEFAULT_INTERPOLATION_TYPE = 'lagrange';\nconst DEFAULT_INTERPOLATION_ORDER = 5;\n\n// Allowable unit types\nconst DISTANCE_UNITS = new Set(['km', 'au']);\nconst EPHEM_TYPES = new Set(['cartesianposvel']);\nconst INTERPOLATION_TYPES = new Set(['lagrange']);\nconst TIME_UNITS = new Set(['day', 'sec']);\n\n/**\n * This class encapsulates the data and necessary methods for operating with look up ephemeris data.\n * Users of the class pass in their ephemeris data as a data structure with the data and the settings for the ephemeris.\n * The settings include things like the units, and the ephemeris representation. The ephemeris data itself is an array\n * of arrays where each line constitute the necessary components of the line.\n *\n * For 'cartesianposvel' style ephemeris each line of data looks like: [Julian Date, X, Y, Z, Vx, Vy, Vz]\n */\nexport class EphemerisTable {\n private units: EphemerisTableUnits;\n\n private ephemType: EphemType;\n\n private interpolationType: InterpolationType;\n\n private interpolationOrder: number;\n\n private data: number[][];\n\n /**\n * @param {Object} ephemerisData Look up ephemeris data to initialize the table with and the properties of it\n * @param {Array.>} ephemerisData.data the ephemeris data appropriate for the specified ephemeris type\n * @param {String} ephemerisData.ephemerisType the type of ephemeres data here (defaults to 'cartesianposvel')\n * @param {String} ephemerisData.distanceUnits the distance units for this data (defaults to AU\n * @param {String} ephemerisData.timeUnits the distance units for this data (defaults to day)\n * @param {String} ephemerisData.interpolationType the type of interpolater to use (defaults to 'lagrange')\n * @param {Number} ephemerisData.interpolationOrder the order of the interpolator to use (defaults to 5)\n */\n constructor(ephemerisData: EphemerisTableData) {\n this.units = JSON.parse(JSON.stringify(DEFAULT_UNITS));\n this.ephemType = DEFAULT_EPHEM_TYPE;\n this.interpolationType = DEFAULT_INTERPOLATION_TYPE;\n this.interpolationOrder = DEFAULT_INTERPOLATION_ORDER;\n\n if (!ephemerisData) {\n throw new Error(\n 'EphemerisTable must be initialized with an ephemeris data structure',\n );\n }\n\n if (\n !ephemerisData.data ||\n !Array.isArray(ephemerisData.data) ||\n ephemerisData.data.length === 0 ||\n !Array.isArray(ephemerisData.data[0])\n ) {\n throw new Error(\n 'EphemerisTable must be initialized with a structure containing an array of arrays of ephemeris data',\n );\n }\n this.data = JSON.parse(JSON.stringify(ephemerisData.data));\n\n if (ephemerisData.distanceUnits) {\n if (!DISTANCE_UNITS.has(ephemerisData.distanceUnits)) {\n throw new Error(\n `Unknown distance units: ${ephemerisData.distanceUnits}`,\n );\n }\n this.units.distance = ephemerisData.distanceUnits;\n }\n\n if (ephemerisData.timeUnits) {\n if (!TIME_UNITS.has(ephemerisData.timeUnits)) {\n throw new Error(`Unknown time units: ${ephemerisData.timeUnits}`);\n }\n this.units.time = ephemerisData.timeUnits;\n }\n\n if (ephemerisData.ephemerisType) {\n if (!EPHEM_TYPES.has(ephemerisData.ephemerisType)) {\n throw new Error(\n `Unknown ephemeris type: ${ephemerisData.ephemerisType}`,\n );\n }\n this.ephemType = ephemerisData.ephemerisType;\n }\n\n if (ephemerisData.interpolationType) {\n if (!INTERPOLATION_TYPES.has(ephemerisData.interpolationType)) {\n throw new Error(\n `Unknown interpolation type: ${ephemerisData.interpolationType}`,\n );\n }\n this.interpolationType = ephemerisData.interpolationType;\n }\n\n if (ephemerisData.interpolationOrder !== undefined) {\n if (\n ephemerisData.interpolationOrder < 1 ||\n ephemerisData.interpolationOrder > MAX_INTERPOLATION_ORDER\n ) {\n throw new Error(\n `Interpolation order must be >0 and <${MAX_INTERPOLATION_ORDER}: ${ephemerisData.interpolationOrder}`,\n );\n }\n this.interpolationOrder = ephemerisData.interpolationOrder;\n }\n\n if (\n this.units.distance !== DEFAULT_UNITS.distance ||\n this.units.time !== DEFAULT_UNITS.time\n ) {\n const distanceMultiplier = this.calcDistanceMultiplier(\n this.units.distance,\n );\n const timeMultiplier = this.calcTimeMultiplier(this.units.time);\n this.data.forEach((line) => {\n line[1] *= distanceMultiplier;\n line[2] *= distanceMultiplier;\n line[3] *= distanceMultiplier;\n line[4] *= distanceMultiplier * timeMultiplier;\n line[5] *= distanceMultiplier * timeMultiplier;\n line[6] *= distanceMultiplier * timeMultiplier;\n });\n }\n }\n\n /**\n * Calculates the interpolated position for the given requested date. If the requested date is before the first\n * point it returns the first point. If the requested date is after the last point it returns the last point.\n * @param {Number} jd of the requested time\n * @returns {Number[]|*[]} x, y, z position in the ephemeris table's reference frame\n */\n getPositionAtTime(jd: number): Coordinate3d {\n if (jd <= this.data[0][0]) {\n return [this.data[0][1], this.data[0][2], this.data[0][3]];\n }\n\n const last = this.data[this.data.length - 1];\n if (jd >= last[0]) {\n return [last[1], last[2], last[3]];\n }\n\n const { startIndex, stopIndex } = this.calcBoundingIndices(jd);\n const x = SpacekitMath.interpolate(\n this.data,\n jd,\n startIndex,\n stopIndex,\n 0,\n 1,\n );\n const y = SpacekitMath.interpolate(\n this.data,\n jd,\n startIndex,\n stopIndex,\n 0,\n 2,\n );\n const z = SpacekitMath.interpolate(\n this.data,\n jd,\n startIndex,\n stopIndex,\n 0,\n 3,\n );\n\n return [x, y, z];\n }\n\n /**\n * Given the start and stop time returns a uniform ephemeris history.\n * @param {Number} startJd the requested start date\n * @param {Number} stopJd the requested stop date\n * @param {Number} stepDays the step size of the data requested in days (can be fractional days)\n * @returns {number[][]}\n */\n getPositions(\n startJd: number,\n stopJd: number,\n stepDays: number,\n ): Coordinate3d[] {\n if (startJd > stopJd) {\n throw new Error(`Requested start needs to be after requested stop`);\n }\n\n if (stepDays <= 0.0) {\n throw new Error('Step days needs to be greater than zero');\n }\n\n const result: Coordinate3d[] = [];\n for (let t = startJd; t <= stopJd; t += stepDays) {\n result.push(this.getPositionAtTime(t));\n }\n\n return result;\n }\n\n /**\n * @private\n */\n private calcDistanceMultiplier(unitType: DistanceUnits): number {\n switch (unitType) {\n case 'au':\n return 1.0;\n case 'km':\n return Units.kmToAu(1);\n default:\n throw new Error('Unknown distance unit type: ' + unitType);\n }\n }\n\n /**\n * @private\n */\n private calcTimeMultiplier(unitType: TimeUnits): number {\n switch (unitType) {\n case 'day':\n return 1.0;\n case 'sec':\n return 1 / 86400.0;\n default:\n throw new Error('Unknown time unit type: ' + unitType);\n }\n }\n\n /**\n * @private\n */\n private calcBoundingIndices(jd: number): {\n startIndex: number;\n stopIndex: number;\n } {\n const halfSampleSize = Math.floor(this.interpolationOrder / 2);\n let closestIndex = Util.binarySearch(\n this.data,\n jd,\n INCREASING_JDATE_SEARCH_METHOD,\n );\n if (closestIndex < 0) {\n closestIndex = ~closestIndex - 1;\n }\n let startIndex = closestIndex - halfSampleSize;\n if (startIndex < 0) {\n startIndex = 0;\n }\n\n let stopIndex = startIndex + Number(this.interpolationOrder);\n if (stopIndex >= this.data.length) {\n stopIndex = this.data.length - 1;\n if (this.data.length > halfSampleSize) {\n startIndex = stopIndex - halfSampleSize;\n }\n }\n\n return { startIndex: startIndex, stopIndex: stopIndex };\n }\n}\n", "import Units from './Units';\nimport { Ephem, GM } from './Ephem';\nimport { getFullUrl } from './util';\n\nimport type { Simulation, SimulationContext } from './Simulation';\n\n/**\n * A dictionary containing ephemerides of planets and other well-known objects.\n * @example\n * ```\n * const planet1 = viz.createObject('planet1', {\n * ephem: EphemPresets.MERCURY,\n * });\n * ```\n */\nexport const EphemPresets: {\n MERCURY: Ephem;\n VENUS: Ephem;\n EARTH: Ephem;\n MOON: Ephem;\n MARS: Ephem;\n JUPITER: Ephem;\n SATURN: Ephem;\n URANUS: Ephem;\n NEPTUNE: Ephem;\n PLUTO: Ephem;\n} = {\n // See https://ssd.jpl.nasa.gov/?planet_pos and https://ssd.jpl.nasa.gov/txt/p_elem_t1.txt\n MERCURY: new Ephem(\n {\n epoch: 2458426.5,\n a: 3.870968969437096e-1,\n e: 2.056515875393916e-1,\n i: 7.003891682749818,\n om: 4.830774804443502e1,\n w: 2.917940253442659e1,\n ma: 2.56190975209273e2,\n },\n 'deg',\n true /* locked */,\n ),\n VENUS: new Ephem(\n {\n epoch: 2458426.5,\n a: 7.233458663591554e-1,\n e: 6.762510759617694e-3,\n i: 3.394567787211735,\n om: 7.662534150657346e1,\n w: 5.474567447560867e1,\n ma: 2.756687596099721e2,\n },\n 'deg',\n true /* locked */,\n ),\n EARTH: new Ephem(\n {\n // Taken from https://nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html\n /*\n epoch: 2451545.0,\n a: 1.00000011,\n e: 0.01671022,\n i: 0.00005,\n om: -11.26064,\n wBar: 102.94719,\n L: 100.46435,\n */\n\n // https://ssd.jpl.nasa.gov/txt/p_elem_t1.txt\n epoch: 2451545.0,\n a: 1.00000261,\n e: 0.01671123,\n i: -0.00001531,\n om: 0.0,\n wBar: 102.93768193,\n L: 100.46457166,\n\n /*\n epoch: 2458426.500000000,\n a: 1.000618919441359E+00,\n e: 1.676780871638673E-02,\n i: 0,\n om: 1.888900932218542E+02,\n w: 2.718307282052625E+02,\n ma: 3.021792498388233E+02,\n */\n },\n 'deg',\n true /* locked */,\n ),\n MOON: new Ephem(\n {\n // https://nssdc.gsfc.nasa.gov/planetary/factsheet/moonfact.html\n GM: 0.3986e6,\n\n // Geocentric\n // https://ssd.jpl.nasa.gov/horizons.cgi#results\n epoch: 2458621.5,\n a: 2.582517063772124e-3,\n e: 4.582543645168888e-2,\n i: 5.102060246928811,\n om: 1.085916732144811e2,\n w: 6.180561793729225e1,\n ma: 5.053270083636792e1,\n /*\n * heliocentric\n epoch: 2458621.500000000,\n a: 1.078855621785179E+00,\n e: 6.333300212090676E-02,\n i: 7.211217382317713E-02,\n om: 6.722057157026397E+01,\n w: 1.503642883585293E+02,\n ma: 1.666758688084831E+01,\n */\n },\n 'deg',\n true /* locked */,\n ),\n MARS: new Ephem(\n {\n epoch: 2458426.5,\n a: 1.52371401537107,\n e: 9.336741335309606e-2,\n i: 1.848141099825311,\n om: 4.950420572080223e1,\n w: 2.866965847685386e2,\n ma: 2.538237617924876e1,\n },\n 'deg',\n true /* locked */,\n ),\n JUPITER: new Ephem(\n {\n epoch: 2458426.5,\n a: 5.20180355911023,\n e: 4.89912558249006e-2,\n i: 1.303560894624275,\n om: 1.005203828847816e2,\n w: 2.73736301845404e2,\n ma: 2.31939544389401e2,\n },\n 'deg',\n true /* locked */,\n ),\n SATURN: new Ephem(\n {\n epoch: 2458426.5,\n a: 9.577177295536776,\n e: 5.101889921719987e-2,\n i: 2.482782449972317,\n om: 1.136154964073247e2,\n w: 3.394422648650336e2,\n ma: 1.870970898012944e2,\n },\n 'deg',\n true /* locked */,\n ),\n URANUS: new Ephem(\n {\n epoch: 2458426.5,\n a: 1.914496966635462e1,\n e: 4.832662948112808e-2,\n i: 7.697511134483724e-1,\n om: 7.414239045667875e1,\n w: 9.942704504702185e1,\n ma: 2.202603033874267e2,\n },\n 'deg',\n true /* locked */,\n ),\n NEPTUNE: new Ephem(\n {\n epoch: 2458426.5,\n a: 3.00962226342805e1,\n e: 7.36257118719377e-3,\n i: 1.774569249829094,\n om: 1.318695882492132e2,\n w: 2.586226409499831e2,\n ma: 3.152804988924479e2,\n },\n 'deg',\n true /* locked */,\n ),\n PLUTO: new Ephem(\n {\n epoch: 2454000.5,\n a: 39.4450697257,\n e: 0.250248713478,\n i: 17.0890009196,\n om: 110.376957955,\n w: 112.597141677,\n ma: 25.2471897122,\n },\n 'deg',\n true /* locked */,\n ),\n};\n\ninterface NaturalSatelliteRecord {\n Planet: string;\n 'Epoch String': string;\n 'Epoch JD': number;\n 'Element Type': string;\n 'Sat.': string;\n tags: string;\n a: number | string;\n e: number | string;\n w: number | string;\n M: number | string;\n i: number | string;\n node: number | string;\n n: number | string;\n P: number | string;\n Pw: number | string;\n Pnode: number | string;\n RA: number | string;\n Dec: number | string | null;\n Tilt: number | string | null;\n Ref: string;\n}\n\n/**\n * A class for fetching orbital elements of natural satellites in our solar\n * system.\n */\nexport class NaturalSatellites {\n private _simulation: Simulation;\n\n private _context: SimulationContext;\n\n private _satellitesByPlanet: Record<\n string,\n {\n name: string;\n elementType: string;\n tags: Set;\n ephem: Ephem;\n }[]\n >;\n\n private _readyPromise: Promise;\n\n constructor(simulation: Simulation) {\n this._simulation = simulation;\n this._context = simulation.getContext();\n\n this._satellitesByPlanet = {};\n const dataUrl = getFullUrl(\n '{{data}}/processed/natural-satellites.json',\n this._context.options.basePath,\n );\n\n this._readyPromise = new Promise((resolve, reject) => {\n fetch(dataUrl)\n .then((resp) => resp.json())\n .then((moons) => {\n moons.forEach((moon: NaturalSatelliteRecord) => {\n const planetName = moon.Planet.toLowerCase();\n if (!this._satellitesByPlanet[planetName]) {\n this._satellitesByPlanet[planetName] = [];\n }\n\n let ephemType;\n switch (moon['Element Type']) {\n case 'Ecliptic':\n // Don't have to do anything\n break;\n case 'Equatorial':\n // TODO(ian): Convert equatorial coords\n ephemType = 'equatorial';\n /*\n throw new Error(\n `Ephemeris type not yet implemented: ${ephemType}`,\n );\n */\n break;\n case 'Laplace':\n // TODO(ian): Convert laplace coords\n ephemType = 'equatorial';\n /*\n throw new Error(\n `Ephemeris type not yet implemented: ${ephemType}`,\n );\n */\n break;\n default:\n console.warn(\n `Ephemeris type not yet implemented: ${ephemType}`,\n );\n return;\n }\n\n let ephemGM;\n switch (moon.Planet) {\n case 'Earth':\n ephemGM = GM.EARTH_MOON;\n break;\n case 'Pluto':\n ephemGM = GM.PLUTO_CHARON;\n break;\n default:\n ephemGM = GM[moon.Planet.toUpperCase() as keyof typeof GM];\n }\n if (!ephemGM) {\n console.error(`Could not look up GM for ${moon.Planet}`);\n }\n\n const ephem = new Ephem(\n {\n GM: ephemGM,\n epoch: Number(moon['Epoch JD']),\n a: Units.kmToAu(Number(moon.a)),\n e: Number(moon.e),\n i: Number(moon.i),\n w: Number(moon.w),\n om: Number(moon.node),\n ma: Number(moon.M),\n },\n 'deg',\n true /* locked */,\n );\n\n this._satellitesByPlanet[planetName].push({\n name: moon['Sat.'],\n elementType: moon['Element Type'],\n tags: new Set(moon['tags'].split(',')),\n ephem,\n });\n });\n console.info('Loaded', moons.length, 'natural satellites');\n resolve(this);\n })\n .catch((err) => {\n reject(err);\n });\n });\n }\n\n /**\n * Get a list of satellites and their orbital elements for a given planet.\n * @param {String} planetName Name of a planet, e.g. \"Jupiter\"\n * @return {Object} List containing a list of dictionaries with information\n * on each satellite.\n */\n getSatellitesForPlanet(planetName: string) {\n return this._satellitesByPlanet[planetName.toLowerCase()];\n }\n\n load(): Promise {\n return this._readyPromise;\n }\n}\n", "import * as THREE from 'three';\n// @ts-ignore\nimport julian from 'julian';\n\nimport { Ephem } from './Ephem';\nimport { EphemerisTable } from './EphemerisTable';\nimport { rescaleArray, rescaleXYZ } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\n\nimport type { LineBasicMaterial } from 'three';\n\nexport enum OrbitType {\n UNKNOWN = 0,\n PARABOLIC = 1,\n HYPERBOLIC = 2,\n ELLIPTICAL = 3,\n TABLE = 4,\n}\n\ninterface OrbitOptions {\n color?: number;\n eclipticLineColor?: number;\n orbitPathSettings?: {\n leadDurationYears?: number;\n trailDurationYears?: number;\n numberSamplePoints?: number;\n };\n}\n\nconst { sin, cos, sqrt } = Math;\n\nconst DEFAULT_LEAD_TRAIL_YEARS = 10;\nconst DEFAULT_SAMPLE_POINTS = 360;\nconst DEFAULT_ORBIT_PATH_SETTINGS = {\n leadDurationYears: DEFAULT_LEAD_TRAIL_YEARS,\n trailDurationYears: DEFAULT_LEAD_TRAIL_YEARS,\n numberSamplePoints: DEFAULT_SAMPLE_POINTS,\n};\n\n/**\n * Special cube root function that assumes input is always positive.\n */\nfunction cbrt(x: number) {\n return Math.exp(Math.log(x) / 3.0);\n}\n\n/**\n * A class that builds a visual representation of a Kepler orbit.\n * @example\n * ```\n * const orbit = new Spacekit.Orbit({\n * ephem: new Spacekit.Ephem({...}),\n * options: {\n * color: 0xFFFFFF,\n * eclipticLineColor: 0xCCCCCC,\n * },\n * });\n * ```\n */\nexport class Orbit {\n private ephem: Ephem | EphemerisTable;\n\n private options: OrbitOptions;\n\n private orbitPoints?: THREE.Vector3[];\n\n private eclipticDropLines?: THREE.LineSegments;\n\n private orbitShape?: THREE.Line;\n\n private orbitStart: number;\n\n private orbitStop: number;\n\n private orbitType: OrbitType;\n\n /**\n * @param {(Ephem | EphemerisTable)} ephem The ephemeris that define this orbit.\n * @param {Object} options\n * @param {Number} options.color The color of the orbital ellipse.\n * @param {Number} options.eclipticLineColor The color of lines drawn\n * @param {Object} options.orbitPathSettings settings for the path\n * @param {Number} options.orbitPathSettings.leadDurationYears orbit path lead time in years\n * @param {Number} options.orbitPathSettings.trailDurationYears orbit path trail time in years\n * @param {Number} options.orbitPathSettings.numberSamplePoints number of\n * points to use when drawing the orbit line. Only applicable for\n * non-elliptical and ephemeris table orbits. perpendicular to the ecliptic\n * in order to illustrate depth (defaults to 0x333333).\n */\n constructor(ephem: Ephem | EphemerisTable, options: OrbitOptions) {\n /**\n * Ephem object\n * @type {(Ephem | EphemerisTable)}\n */\n this.ephem = ephem;\n\n /**\n * Options (see class definition for details)\n */\n this.options = options || {};\n\n /**\n * configuring orbit path lead/trail data\n */\n if (!this.options.orbitPathSettings) {\n this.options.orbitPathSettings = JSON.parse(\n JSON.stringify(DEFAULT_ORBIT_PATH_SETTINGS),\n );\n }\n\n if (!this.options.orbitPathSettings?.leadDurationYears) {\n this.options.orbitPathSettings!.leadDurationYears =\n DEFAULT_LEAD_TRAIL_YEARS;\n }\n\n if (!this.options.orbitPathSettings?.trailDurationYears) {\n this.options.orbitPathSettings!.trailDurationYears =\n DEFAULT_LEAD_TRAIL_YEARS;\n }\n\n if (!this.options.orbitPathSettings?.numberSamplePoints) {\n this.options.orbitPathSettings!.numberSamplePoints =\n DEFAULT_SAMPLE_POINTS;\n }\n\n /**\n * Cached orbital points.\n * @type {Array.}\n */\n this.orbitPoints = undefined;\n\n /**\n * Cached ecliptic drop lines.\n * @type {Array.}\n */\n this.eclipticDropLines = undefined;\n\n /**\n * Cached orbit shape.\n * @type {THREE.Line}\n */\n this.orbitShape = undefined;\n\n /**\n * Time span of the drawn orbit line\n */\n this.orbitStart = 0;\n this.orbitStop = 0;\n\n /**\n * Orbit type\n * @type {OrbitType}\n */\n this.orbitType = Orbit.getOrbitType(this.ephem);\n }\n\n /**\n * Get heliocentric position of object at a given JD.\n * @param {Number} jd Date value in JD.\n * @param {boolean} debug Set true for debug output.\n * @return {Array.} [X, Y, Z] coordinates\n */\n getPositionAtTime(jd: number, debug: boolean = false): Coordinate3d {\n // Note: logic below must match the vertex shader.\n\n // This position calculation is used to create orbital ellipses.\n switch (this.orbitType) {\n case OrbitType.PARABOLIC:\n return this.getPositionAtTimeNearParabolic(jd, debug);\n case OrbitType.HYPERBOLIC:\n return this.getPositionAtTimeHyperbolic(jd, debug);\n case OrbitType.ELLIPTICAL:\n return this.getPositionAtTimeElliptical(jd, debug);\n case OrbitType.TABLE:\n return this.getPositionAtTimeTable(jd, debug);\n default:\n throw new Error('No handler for this type of orbit');\n }\n }\n\n getPositionAtTimeParabolic(jd: number, debug: boolean = false): Coordinate3d {\n // See https://stjarnhimlen.se/comp/ppcomp.html#17\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // The Guassian gravitational constant\n const k = 0.01720209895;\n\n // Perihelion distance\n const q = eph.get('q');\n\n // Compute time since perihelion\n const d = jd - eph.get('tp');\n\n const H = (d * (k / sqrt(2))) / sqrt(q * q * q);\n const h = 1.5 * H;\n const g = sqrt(1.0 + h * h);\n const s = cbrt(g + h) - cbrt(g - h);\n\n // True anomaly\n const v = 2.0 * Math.atan(s);\n // Heliocentric distance\n const r = q * (1.0 + s * s);\n\n return this.vectorToHeliocentric(v, r);\n }\n\n getPositionAtTimeNearParabolic(\n jd: number,\n debug: boolean = false,\n ): Coordinate3d {\n // See https://stjarnhimlen.se/comp/ppcomp.html#17\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // The Guassian gravitational constant\n const k = 0.01720209895;\n\n // Eccentricity\n const e = eph.get('e');\n\n // Perihelion distance\n const q = eph.get('q');\n\n // Compute time since perihelion\n const d = jd - eph.get('tp');\n\n const a = 0.75 * d * k * sqrt((1 + e) / (q * q * q));\n const b = sqrt(1 + a * a);\n const W = cbrt(b + a) - cbrt(b - a);\n const f = (1 - e) / (1 + e);\n\n const a1 = 2 / 3 + (2 / 5) * W * W;\n const a2 = 7 / 5 + (33 / 35) * W * W + (37 / 175) * W ** 4;\n const a3 =\n W * W * (432 / 175 + (956 / 1125) * W * W + (84 / 1575) * W ** 4);\n\n const C = (W * W) / (1 + W * W);\n const g = f * C * C;\n const w = W * (1 + f * C * (a1 + a2 * g + a3 * g * g));\n\n // True anomaly\n const v = 2 * Math.atan(w);\n // Heliocentric distance\n const r = (q * (1 + w * w)) / (1 + w * w * f);\n\n return this.vectorToHeliocentric(v, r);\n }\n\n getPositionAtTimeHyperbolic(\n jd: number,\n debug: boolean = false,\n ): Coordinate3d {\n // See https://stjarnhimlen.se/comp/ppcomp.html#17\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // Eccentricity\n const e = eph.get('e');\n\n // Semimajor axis\n const a = eph.get('a');\n\n // Mean anomaly\n const ma = eph.get('ma');\n\n // Calculate mean anomaly at jd\n const n = eph.get('n', 'rad');\n const epoch = eph.get('epoch');\n const d = jd - epoch;\n\n const M = ma + n * d;\n\n let F0 = M;\n for (let count = 0; count < 100; count++) {\n const F1 =\n (M + e * (F0 * Math.cosh(F0) - Math.sinh(F0))) /\n (e * Math.cosh(F0) - 1);\n const lastdiff = Math.abs(F1 - F0);\n F0 = F1;\n\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n const F = F0;\n\n const v = 2 * Math.atan(sqrt((e + 1) / (e - 1))) * Math.tanh(F / 2);\n const r = (a * (1 - e * e)) / (1 + e * cos(v));\n\n return this.vectorToHeliocentric(v, r);\n }\n\n getPositionAtTimeElliptical(\n jd: number,\n debug: boolean = false,\n ): Coordinate3d {\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // Eccentricity\n const e = eph.get('e');\n\n // Mean anomaly\n const ma = eph.get('ma', 'rad');\n\n // Calculate mean anomaly at jd\n const n = eph.get('n', 'rad');\n const epoch = eph.get('epoch');\n const d = jd - epoch;\n\n const M = ma + n * d;\n if (debug) {\n console.info('period=', eph.get('period'));\n console.info('n=', n);\n console.info('ma=', ma);\n console.info('d=', d);\n console.info('M=', M);\n }\n\n // Estimate eccentric and true anom using iterative approx\n let E0 = M;\n for (let count = 0; count < 100; count++) {\n const E1 = M + e * sin(E0);\n const lastdiff = Math.abs(E1 - E0);\n E0 = E1;\n\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n const E = E0;\n const v = 2 * Math.atan(sqrt((1 + e) / (1 - e)) * Math.tan(E / 2));\n\n // Radius vector, in AU\n const a = eph.get('a');\n const r = (a * (1 - e * e)) / (1 + e * cos(v));\n\n return this.vectorToHeliocentric(v, r);\n }\n\n getPositionAtTimeTable(jd: number, debug: boolean = false): Coordinate3d {\n if (this.ephem instanceof EphemerisTable) {\n const point = this.ephem.getPositionAtTime(jd);\n return rescaleXYZ(point[0], point[1], point[2]);\n }\n throw new Error('Attempted to read ephemeris table of non-table data');\n }\n\n /**\n * Given true anomaly and heliocentric distance, returns the scaled heliocentric coordinates (X, Y, Z)\n * @param {Number} v True anomaly\n * @param {Number} r Heliocentric distance\n * @return {Array.} Heliocentric coordinates\n */\n vectorToHeliocentric(v: number, r: number): Coordinate3d {\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // Inclination, Longitude of ascending node, Longitude of perihelion\n const i = eph.get('i', 'rad');\n const o = eph.get('om', 'rad');\n const p = eph.get('wBar', 'rad');\n\n // Heliocentric coords\n const X = r * (cos(o) * cos(v + p - o) - sin(o) * sin(v + p - o) * cos(i));\n const Y = r * (sin(o) * cos(v + p - o) + cos(o) * sin(v + p - o) * cos(i));\n const Z = r * (sin(v + p - o) * sin(i));\n\n return rescaleXYZ(X, Y, Z);\n }\n\n /**\n * Returns whether the requested epoch is within the current orbit's\n * definition. Used only for ephemeris tables.\n * @param {Number} jd\n * @return {boolean} true if it is within the orbit span, false if not\n */\n needsUpdateForTime(jd: number): boolean {\n if (this.orbitType === OrbitType.TABLE) {\n return jd < this.orbitStart || jd > this.orbitStop;\n }\n // Renderings for other types are static.\n return false;\n }\n\n /**\n * Calculates, caches, and returns the orbit state for this orbit around this time\n * @param {Number} jd center time of the orbit (only used for ephemeris table ephemeris)\n * @param {boolean} forceCompute forces the recomputing of the orbit on this call\n * @return {THREE.Line}\n */\n getOrbitShape(jd?: number, forceCompute = false): THREE.Line {\n if (forceCompute) {\n if (this.orbitShape) {\n this.orbitShape.geometry.dispose();\n (this.orbitShape.material as LineBasicMaterial).dispose();\n }\n\n this.orbitShape = undefined;\n this.orbitPoints = undefined;\n\n if (this.eclipticDropLines) {\n this.eclipticDropLines.geometry.dispose();\n (this.eclipticDropLines.material as LineBasicMaterial).dispose();\n }\n this.eclipticDropLines = undefined;\n }\n\n if (this.orbitShape) {\n // Orbit shape is already computed.\n return this.orbitShape;\n }\n\n if (this.orbitType === OrbitType.ELLIPTICAL) {\n return this.getEllipse();\n }\n\n // Decide on a time range to draw orbits.\n // TODO(ian): Should we compute around current position, not time of perihelion?\n let tp;\n if (this.ephem instanceof EphemerisTable) {\n tp = jd;\n } else {\n tp = this.ephem.getUnsafe('tp');\n }\n // Use current date as a fallback if time of perihelion is not available.\n const centerDate = tp ? tp : julian.toJulianDay(new Date());\n const startJd =\n centerDate - this.options.orbitPathSettings!.trailDurationYears! * 365.25;\n const endJd =\n centerDate + this.options.orbitPathSettings!.leadDurationYears! * 365.25;\n const step =\n (endJd - startJd) / this.options.orbitPathSettings!.numberSamplePoints!;\n\n this.orbitStart = startJd;\n this.orbitStop = endJd;\n\n switch (this.orbitType) {\n case OrbitType.HYPERBOLIC:\n return this.getLine(\n this.getPositionAtTimeHyperbolic.bind(this),\n startJd,\n endJd,\n step,\n );\n case OrbitType.PARABOLIC:\n return this.getLine(\n this.getPositionAtTimeNearParabolic.bind(this),\n startJd,\n endJd,\n step,\n );\n case OrbitType.TABLE:\n return this.getTableOrbit(startJd, endJd, step);\n default:\n throw new Error('Unknown orbit shape');\n }\n }\n\n /**\n * Compute a line between a given date range.\n * @private\n */\n private getLine(\n orbitFn: (jd: number) => Coordinate3d,\n startJd: number,\n endJd: number,\n step: number,\n ) {\n const points: THREE.Vector3[] = [];\n for (let jd = startJd; jd <= endJd; jd += step) {\n const pos = orbitFn(jd);\n points.push(new THREE.Vector3(pos[0], pos[1], pos[2]));\n }\n return this.generateAndCacheOrbitShape(points);\n }\n\n /**\n * Returns the orbit for a table lookup orbit definition\n * @private\n * @param {Number} startJd start of orbit in JDate format\n * @param {Number} stopJd end of orbit in JDate format\n * @param {Number} step step size in days\n * @return {THREE.Line}\n */\n private getTableOrbit(\n startJd: number,\n stopJd: number,\n step: number,\n ): THREE.Line {\n if (this.ephem instanceof Ephem) {\n throw new Error(\n 'Attempted to compute table orbit on non-table ephemeris',\n );\n }\n const rawPoints = this.ephem.getPositions(startJd, stopJd, step);\n const points = rawPoints\n .map((values) => rescaleArray(values))\n .map((values) => new THREE.Vector3(values[0], values[1], values[2]));\n\n return this.generateAndCacheOrbitShape(points);\n }\n\n /**\n * @private\n * @return {THREE.Line} The ellipse object that represents this orbit.\n */\n private getEllipse() {\n const points = this.getEllipsePoints();\n return this.generateAndCacheOrbitShape(points);\n }\n\n /**\n * @private\n * @return {THREE.Vector3[]} A THREE.js geometry\n */\n private getEllipsePoints(): THREE.Vector3[] {\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n const a = eph.get('a');\n const ecc = eph.get('e');\n\n const twoPi = Math.PI * 2;\n let step = twoPi / 90;\n if (ecc > 0.9) {\n step = twoPi / 360;\n }\n const pts = [];\n for (let E = 0; E < twoPi; E += step) {\n const v = 2 * Math.atan(sqrt((1 + ecc) / (1 - ecc)) * Math.tan(E / 2));\n const r = (a * (1 - ecc * ecc)) / (1 + ecc * cos(v));\n const pos = this.vectorToHeliocentric(v, r);\n\n if (isNaN(pos[0]) || isNaN(pos[1]) || isNaN(pos[2])) {\n console.error(\n 'NaN position value - you may have bad or incomplete data in the following ephemeris:',\n );\n console.error(eph);\n }\n pts.push(new THREE.Vector3(pos[0], pos[1], pos[2]));\n }\n pts.push(pts[0]);\n return pts;\n }\n\n /**\n * @private\n * @return {THREE.Line} Line object\n */\n private generateAndCacheOrbitShape(\n pointVectors: THREE.Vector3[],\n ): THREE.Line {\n this.orbitPoints = pointVectors;\n this.orbitShape = new THREE.Line(\n new THREE.BufferGeometry().setFromPoints(pointVectors),\n new THREE.LineBasicMaterial({\n color: new THREE.Color(this.options.color || 0x444444),\n }),\n );\n return this.orbitShape;\n }\n\n /**\n * A geometry containing line segments that run between the orbit ellipse and\n * the ecliptic plane of the solar system. This is a useful visual effect\n * that makes it easy to tell when an orbit goes below or above the ecliptic\n * plane.\n * @return {THREE.LineSegments} A geometry with many line segments.\n */\n getLinesToEcliptic(): THREE.LineSegments {\n if (this.eclipticDropLines) {\n return this.eclipticDropLines;\n }\n\n if (!this.orbitPoints) {\n // Generate the orbitPoints cache.\n this.getOrbitShape();\n }\n\n // Place a cap on visible lines, for large or highly inclined orbits.\n const points = this.orbitPoints || [];\n let filteredPoints: THREE.Vector3[] = [];\n points.forEach((vertex, idx) => {\n // Drop last point because it's a repeat of the first point.\n if (\n idx === points.length - 1 &&\n this.orbitType === OrbitType.ELLIPTICAL\n ) {\n return;\n }\n filteredPoints.push(vertex);\n filteredPoints.push(new THREE.Vector3(vertex.x, vertex.y, 0));\n });\n const geometry = new THREE.BufferGeometry().setFromPoints(filteredPoints);\n\n this.eclipticDropLines = new THREE.LineSegments(\n geometry,\n new THREE.LineBasicMaterial({\n color: this.options.eclipticLineColor || 0x333333,\n blending: THREE.AdditiveBlending,\n }),\n );\n\n return this.eclipticDropLines;\n }\n\n /**\n * Get the color of this orbit.\n * @return {Number} The hexadecimal color of the orbital ellipse.\n */\n getHexColor(): number {\n return (this.getOrbitShape().material as LineBasicMaterial).color.getHex();\n }\n\n /**\n * @param {Number} hexVal The hexadecimal color of the orbital ellipse.\n */\n setHexColor(hexVal: number) {\n (this.getOrbitShape().material as LineBasicMaterial).color =\n new THREE.Color(hexVal);\n }\n\n /**\n * Get the visibility of this orbit.\n * @return {boolean} Whether the orbital ellipse is visible. Note that\n * although the ellipse may not be visible, it is still present in the\n * underlying Scene and Simultation.\n */\n getVisibility(): boolean {\n return this.getOrbitShape().visible;\n }\n\n /**\n * Change the visibility of this orbit.\n * @param {boolean} val Whether to show the orbital ellipse.\n */\n setVisibility(val: boolean) {\n this.getOrbitShape().visible = val;\n }\n\n /**\n * Get the type of orbit. Returns one of OrbitType.PARABOLIC, HYPERBOLIC,\n * ELLIPTICAL, or UNKNOWN.\n * @param {(Ephem | EphemerisTable)} Ephemeris\n * @return {OrbitType} Name of orbit type\n */\n static getOrbitType(ephem: Ephem | EphemerisTable): OrbitType {\n if (ephem instanceof EphemerisTable) {\n return OrbitType.TABLE;\n }\n\n const e = ephem.get('e');\n if (e >= 0.999 && e < 1.2) {\n return OrbitType.PARABOLIC;\n }\n if (e > 1.2) {\n return OrbitType.HYPERBOLIC;\n }\n return OrbitType.ELLIPTICAL;\n }\n}\n", "import * as THREE from 'three';\n// @ts-ignore\nimport julian from 'julian';\nimport Stats from 'three/examples/jsm/libs/stats.module';\nimport {\n BloomEffect,\n EffectComposer,\n EffectPass,\n RenderPass,\n // @ts-ignore\n} from 'postprocessing';\n\nimport type { Scene, Object3D, Vector3, WebGL1Renderer } from 'three';\n\nimport Camera from './Camera';\nimport { KeplerParticles } from './KeplerParticles';\nimport { NaturalSatellites } from './EphemPresets';\nimport { ShapeObject } from './ShapeObject';\nimport { Skybox } from './Skybox';\nimport { SpaceObject } from './SpaceObject';\nimport { SphereObject } from './SphereObject';\nimport { StaticParticles } from './StaticParticles';\nimport { Stars } from './Stars';\nimport { getDefaultBasePath } from './util';\nimport { setScaleFactor, rescaleArray } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\n\n// TODO(ian): Make this an interface.\nexport interface SimulationObject {\n update: (jd: number, force: boolean) => void;\n get3jsObjects(): THREE.Object3D[];\n getId(): string;\n}\n\ninterface CameraOptions {\n initialPosition?: Coordinate3d;\n enableDrift?: boolean;\n}\n\ninterface DebugOptions {\n showAxes?: boolean;\n showGrid?: boolean;\n showStats?: boolean;\n}\n\ninterface SpacekitOptions {\n basePath: string;\n startDate?: Date;\n jd?: number;\n jdDelta?: number;\n jdPerSecond?: number;\n unitsPerAu?: number;\n startPaused?: boolean;\n maxNumParticles?: number;\n particleTextureUrl?: string;\n particleDefaultSize?: number;\n camera?: CameraOptions;\n debug?: DebugOptions;\n}\n\nexport interface SimulationContext {\n simulation: Simulation;\n options: SpacekitOptions;\n objects: {\n renderer: WebGL1Renderer;\n camera: Camera;\n scene: Scene;\n particles: KeplerParticles;\n composer?: EffectComposer;\n };\n container: {\n width: number;\n height: number;\n };\n}\n\n/**\n * The main entrypoint of a visualization.\n *\n * This class wraps a THREE.js scene, controls, skybox, etc in an animated\n * Simulation.\n *\n * @example\n * ```\n * const sim = new Spacekit.Simulation(document.getElementById('my-container'), {\n * basePath: '../path/to/assets',\n * startDate: Date.now(),\n * jd: 0.0,\n * jdDelta: 10.0,\n * jdPerSecond: 100.0, // overrides jdDelta\n * startPaused: false,\n * unitsPerAu: 1.0,\n * maxNumParticles: 2**16,\n * camera: {\n * initialPosition: [0, -10, 5],\n * enableDrift: false,\n * },\n * debug: {\n * showAxes: false,\n * showGrid: false,\n * showStats: false,\n * },\n * });\n * ```\n */\nexport class Simulation {\n public onTick?: () => void;\n\n private simulationElt: HTMLCanvasElement;\n\n private options: SpacekitOptions;\n\n private jd: number;\n\n private jdDelta?: number;\n\n private jdPerSecond: number;\n\n private isPaused: boolean;\n\n private enableCameraDrift: boolean;\n\n private cameraDefaultPos: Coordinate3d;\n\n private camera: Camera;\n\n private useLightSources: boolean;\n\n private lightPosition?: Vector3;\n\n private subscribedObjects: Record;\n\n private particles: KeplerParticles;\n\n private stats?: Stats;\n\n private fps: number;\n\n private lastUpdatedTime: number;\n\n private lastStaticCameraUpdateTime: number;\n\n private lastResizeUpdateTime: number;\n\n private renderEnabled: boolean;\n\n private initialRenderComplete: boolean;\n\n private scene: Scene;\n\n private renderer: WebGL1Renderer;\n\n private composer?: EffectComposer;\n\n /**\n * @param {HTMLCanvasElement} simulationElt The container for this simulation.\n * @param {Object} options for simulation\n * @param {String} options.basePath Path to simulation assets and data\n * @param {Date} options.startDate The start date and time for this\n * simulation.\n * @param {Number} options.jd The JD date of this simulation.\n * Defaults to 0\n * @param {Number} options.jdDelta The number of JD to add every tick of\n * the simulation.\n * @param {Number} options.jdPerSecond The number of jd to add every second.\n * Use this instead of `jdDelta` for constant motion that does not vary with\n * framerate. Defaults to 100.\n * @param {Number} options.unitsPerAu The number of \"position\" units in the\n * simulation that represent an AU. This is an optional setting that you may\n * use if the default (1 unit = 1 AU) is too small for your simulation (e.g.\n * if you are representing a planetary system). Depending on your graphics\n * card, you may begin to notice inaccuracies at fractional scales of GL\n * units, so it becomes necessary to scale the whole visualization. Defaults\n * to 1.0.\n * @param {boolean} options.startPaused Whether the simulation should start\n * in a paused state.\n * @param {Number} options.maxNumParticles The maximum number of particles in\n * the visualization. Try choosing a number that is larger than your\n * particles, but not too much larger. It's usually good enough to choose the\n * next highest power of 2. If you're not showing many particles (tens of\n * thousands+), you don't need to worry about this.\n * @param {String} options.particleTextureUrl The texture for the default\n * particle system.\n * @param {Number} options.particleDefaultSize The default size for the\n * particle system.\n * @param {Object} options.camera Options for camera\n * @param {Array.} options.camera.initialPosition Initial X, Y, Z\n * coordinates of the camera. Defaults to [0, -10, 5].\n * @param {boolean} options.camera.enableDrift Set true to have the camera\n * float around slightly. False by default.\n * @param {Object} options.debug Options dictating debug state.\n * @param {boolean} options.debug.showAxes Show X, Y, and Z axes\n * @param {boolean} options.debug.showGrid Show grid on XY plane\n * @param {boolean} options.debug.showStats Show FPS and other stats\n * (requires stats.js).\n */\n constructor(simulationElt: HTMLCanvasElement, options: SpacekitOptions) {\n this.simulationElt = simulationElt;\n this.options = options || {};\n this.options.basePath = this.options.basePath || getDefaultBasePath();\n\n this.jd =\n typeof this.options.jd === 'undefined'\n ? Number(julian(this.options.startDate || new Date()))\n : this.options.jd;\n this.jdDelta = this.options.jdDelta;\n this.jdPerSecond = this.options.jdPerSecond || 100;\n this.isPaused = options.startPaused || false;\n this.onTick = undefined;\n\n this.enableCameraDrift = false;\n this.cameraDefaultPos = rescaleArray([0, -10, 5]);\n if (this.options.camera) {\n this.enableCameraDrift = !!this.options.camera.enableDrift;\n if (this.options.camera.initialPosition) {\n this.cameraDefaultPos = rescaleArray(\n this.options.camera.initialPosition,\n );\n }\n }\n\n this.useLightSources = false;\n this.lightPosition = undefined;\n\n this.subscribedObjects = {};\n\n // This makes controls.lookAt and other objects treat the positive Z axis\n // as \"up\" direction.\n THREE.Object3D.DefaultUp = new THREE.Vector3(0, 0, 1);\n\n // Scale\n if (this.options.unitsPerAu) {\n setScaleFactor(this.options.unitsPerAu);\n }\n\n // stats.js panel\n this.stats = undefined;\n this.fps = 1;\n\n this.lastUpdatedTime = Date.now();\n this.lastStaticCameraUpdateTime = Date.now();\n this.lastResizeUpdateTime = Date.now();\n\n // Rendering\n this.renderEnabled = true;\n this.initialRenderComplete = false;\n this.animate = this.animate.bind(this);\n\n this.renderer = this.initRenderer();\n this.scene = new THREE.Scene();\n this.camera = new Camera(this.getContext());\n this.composer = undefined;\n\n // Orbit particle system must be initialized after scene is created and\n // scale is set.\n this.particles = new KeplerParticles(\n {\n textureUrl:\n this.options.particleTextureUrl ||\n '{{assets}}/sprites/smallparticle.png',\n jd: this.jd,\n maxNumParticles: this.options.maxNumParticles,\n defaultSize: this.options.particleDefaultSize,\n },\n this,\n );\n\n this.init();\n this.animate();\n }\n\n /**\n * @private\n */\n private init() {\n // Camera\n this.camera\n .get3jsCamera()\n .position.set(\n this.cameraDefaultPos[0],\n this.cameraDefaultPos[1],\n this.cameraDefaultPos[2],\n );\n // window.cam = camera.get3jsCamera();\n\n // Events\n this.simulationElt.onmousedown = this.simulationElt.ontouchstart = () => {\n // When user begins interacting with the visualization, disable camera\n // drift.\n this.enableCameraDrift = false;\n };\n\n (() => {\n let listenToCameraEvents = false;\n this.camera.get3jsCameraControls().addEventListener('change', () => {\n // Camera will send a few initial events - ignore these.\n if (listenToCameraEvents) {\n this.staticForcedUpdate();\n }\n });\n setTimeout(() => {\n // Send an update when the visualization is done loading.\n this.staticForcedUpdate();\n listenToCameraEvents = true;\n this.initialRenderComplete = true;\n }, 0);\n })();\n\n this.simulationElt.addEventListener('resize', () => {\n this.resizeUpdate();\n });\n\n window.addEventListener('resize', () => {\n this.resizeUpdate();\n });\n\n // Helper\n if (this.options.debug) {\n if (this.options.debug.showGrid) {\n const gridHelper = new THREE.GridHelper(undefined, undefined);\n gridHelper.geometry.rotateX(Math.PI / 2);\n this.scene.add(gridHelper);\n }\n if (this.options.debug.showAxes) {\n this.scene.add(new THREE.AxesHelper(0.5));\n }\n if (this.options.debug.showStats) {\n this.stats = new (Stats as any)();\n this.stats!.showPanel(0);\n this.simulationElt.appendChild(this.stats!.dom);\n }\n }\n\n // Set up effect composer, etc.\n this.initPasses();\n }\n\n /**\n * @private\n */\n private initRenderer(): THREE.WebGL1Renderer {\n // TODO(ian): Upgrade to webgl 2. See https://discourse.threejs.org/t/webgl2-breaking-custom-shader/16603/4\n const renderer = new THREE.WebGL1Renderer({\n antialias: true,\n //logarithmicDepthBuffer: true,\n });\n console.info(\n 'Max texture resolution:',\n renderer.capabilities.maxTextureSize,\n );\n\n const maxPrecision = renderer.capabilities.getMaxPrecision('highp');\n if (maxPrecision !== 'highp') {\n console.warn(\n `Shader maximum precision is \"${maxPrecision}\", GPU rendering may not be accurate.`,\n );\n }\n\n renderer.setPixelRatio(window.devicePixelRatio);\n renderer.setSize(\n this.simulationElt.offsetWidth,\n this.simulationElt.offsetHeight,\n );\n\n this.simulationElt.appendChild(renderer.domElement);\n\n return renderer;\n }\n\n /**\n * @private\n */\n private initPasses() {\n //const smaaEffect = new SMAAEffect(assets.get(\"smaa-search\"), assets.get(\"smaa-area\"));\n //smaaEffect.colorEdgesMaterial.setEdgeDetectionThreshold(0.065);\n\n const camera = this.camera.get3jsCamera();\n\n /*\n const sunGeometry = new THREE.SphereBufferGeometry(\n rescaleNumber(0.004),\n 16,\n );\n const sunMaterial = new THREE.MeshBasicMaterial({\n color: 0xffddaa,\n transparent: true,\n depthWrite: false,\n fog: false,\n });\n const sun = new THREE.Mesh(sunGeometry, sunMaterial);\n const rescaled = rescaleArray([0.1, 0.1, 0.0]);\n sun.position.set(rescaled[0], rescaled[1], rescaled[2]);\n sun.updateMatrix();\n sun.updateMatrixWorld();\n\n const godRaysEffect = new GodRaysEffect(camera, sun, {\n color: 0xfff5f2,\n blur: false,\n });\n */\n //godRaysEffect.dithering = true;\n\n const bloomEffect = new BloomEffect({\n width: 240,\n height: 240,\n luminanceThreshold: 0.2,\n });\n bloomEffect.blendMode.opacity.value = 2.3;\n\n const renderPass = new RenderPass(this.scene, camera);\n renderPass.renderToScreen = false;\n\n const effectPass = new EffectPass(\n camera,\n /*smaaEffect, godRaysEffect*/ bloomEffect,\n );\n effectPass.renderToScreen = true;\n\n const composer = new EffectComposer(this.renderer);\n composer.addPass(renderPass);\n composer.addPass(effectPass);\n this.composer = composer;\n }\n\n /**\n * @private\n */\n private update(force = false) {\n for (const objId in this.subscribedObjects) {\n if (this.subscribedObjects.hasOwnProperty(objId)) {\n this.subscribedObjects[objId].update(this.jd, force);\n }\n }\n }\n\n /**\n * Performs a forced update of all elements in the view. This is used for when the system isn't animating but the\n * objects need to update their data to properly capture things like updated label positions.\n * @private\n */\n private staticForcedUpdate() {\n if (this.isPaused) {\n const now = Date.now();\n const timeDelta = now - this.lastStaticCameraUpdateTime;\n const threshold = 30;\n // TODO(ian): Also do this based on viewport change. Otherwise things like scrolling don't work well.\n if (timeDelta > threshold) {\n this.update(true /* force */);\n this.lastStaticCameraUpdateTime = now;\n }\n }\n }\n\n /**\n * @private\n * Updates the size of the control and forces a refresh of components whenever the control is being resized.\n */\n private resizeUpdate() {\n const now = Date.now();\n const timeDelta = now - this.lastResizeUpdateTime;\n const threshold = 30;\n\n if (timeDelta > threshold) {\n const newWidth = this.simulationElt.offsetWidth;\n const newHeight = this.simulationElt.offsetHeight;\n if (newWidth === 0 && newHeight === 0) {\n return;\n }\n const camera = this.camera.get3jsCamera();\n camera.aspect = newWidth / newHeight;\n camera.updateProjectionMatrix();\n this.renderer.setSize(newWidth, newHeight);\n this.staticForcedUpdate();\n this.lastResizeUpdateTime = now;\n }\n }\n\n /**\n * @private\n * TODO(ian): Move this into Camera\n */\n private doCameraDrift() {\n // Follow floating path around\n const timer = 0.0001 * Date.now();\n const pos = this.cameraDefaultPos;\n const cam = this.camera.get3jsCamera();\n cam.position.x = pos[0] + (pos[0] * (Math.cos(timer) + 1)) / 3;\n cam.position.z = pos[2] + (pos[2] * (Math.sin(timer) + 1)) / 3;\n }\n\n /**\n * @private\n */\n private animate() {\n if (!this.renderEnabled && this.initialRenderComplete) {\n return;\n }\n\n window.requestAnimationFrame(this.animate);\n\n if (this.stats) {\n this.stats.begin();\n }\n\n if (!this.isPaused) {\n if (this.jdDelta) {\n this.jd += this.jdDelta;\n } else {\n // N jd per second\n this.jd += this.jdPerSecond / this.fps;\n }\n\n const timeDelta = (Date.now() - this.lastUpdatedTime) / 1000;\n this.lastUpdatedTime = Date.now();\n this.fps = 1 / timeDelta || 1;\n\n // Update objects in this simulation\n this.update();\n }\n\n // Update camera drifting, if applicable\n if (this.enableCameraDrift) {\n this.doCameraDrift();\n }\n this.camera.update();\n\n // Update three.js scene\n this.renderer.render(this.scene, this.camera.get3jsCamera());\n //this.composer.render(0.1);\n\n if (this.onTick) {\n this.onTick();\n }\n\n if (this.stats) {\n this.stats.end();\n }\n }\n\n /**\n * Add a spacekit object (usually a SpaceObject) to the visualization.\n * @see SpaceObject\n * @param {Object} obj Object to add to visualization\n * @param {boolean} noUpdate Set to true if object does not need to be\n * animated.\n */\n addObject(obj: SimulationObject, noUpdate: boolean = false) {\n obj.get3jsObjects().map((x) => {\n this.scene.add(x);\n });\n\n if (!noUpdate) {\n // Call for updates as time passes.\n const objId = obj.getId();\n if (this.subscribedObjects[objId]) {\n console.error(\n `Object id is not unique: \"${objId}\". This could prevent objects from updating correctly.`,\n );\n }\n this.subscribedObjects[objId] = obj;\n }\n }\n\n /**\n * Removes an object from the visualization.\n * @param {Object} obj Object to remove\n */\n removeObject(obj: SpaceObject) {\n // TODO(ian): test this and avoid memory leaks...\n obj.get3jsObjects().map((x) => {\n this.scene.remove(x);\n });\n\n if (typeof obj.removalCleanup === 'function') {\n obj.removalCleanup();\n }\n delete this.subscribedObjects[obj.getId()];\n }\n\n /**\n * Shortcut for creating a new SpaceObject belonging to this visualization.\n * Takes any SpaceObject arguments.\n * @see SpaceObject\n */\n // @ts-ignore\n createObject(...args): SpaceObject {\n // @ts-ignore\n return new SpaceObject(...args, this);\n }\n\n /**\n * Shortcut for creating a new ShapeObject belonging to this visualization.\n * Takes any ShapeObject arguments.\n * @see ShapeObject\n */\n // @ts-ignore\n createShape(...args): ShapeObject {\n // @ts-ignore\n return new ShapeObject(...args, this);\n }\n\n /**\n * Shortcut for creating a new SphereOjbect belonging to this visualization.\n * Takes any SphereObject arguments.\n * @see SphereObject\n */\n // @ts-ignore\n createSphere(...args): SphereObject {\n // @ts-ignore\n return new SphereObject(...args, this);\n }\n\n /**\n * Shortcut for creating a new StaticParticles object belonging to this visualization.\n * Takes any StaticParticles arguments.\n * @see SphereObject\n */\n // @ts-ignore\n createStaticParticles(...args): StaticParticles {\n // @ts-ignore\n return new StaticParticles(...args, this);\n }\n\n /**\n * Shortcut for creating a new Skybox belonging to this visualization. Takes\n * any Skybox arguments.\n * @see Skybox\n */\n // @ts-ignore\n createSkybox(...args): Skybox {\n // @ts-ignore\n return new Skybox(...args, this);\n }\n\n /**\n * Shortcut for creating a new Stars object belonging to this visualization.\n * Takes any Stars arguments.\n * @see Stars\n */\n // @ts-ignore\n createStars(...args): Stars {\n if (args.length) {\n // @ts-ignore\n return new Stars(...args, this);\n }\n // No arguments supplied\n return new Stars({}, this);\n }\n\n /**\n * Creates an ambient light source. This will dimly light everything in the\n * visualization.\n * @param {Number} color Color of light, default 0x333333\n */\n createAmbientLight(color: number = 0x333333) {\n this.scene.add(new THREE.AmbientLight(color));\n this.useLightSources = true;\n }\n\n /**\n * Creates a light source. This will make the shape of your objects visible\n * and provide some contrast.\n * @param {Array.} pos Position of light source. Defaults to moving\n * with camera.\n * @param {Number} color Color of light, default 0xFFFFFF\n */\n createLight(\n pos: Coordinate3d | undefined = undefined,\n color: number = 0xffffff,\n ) {\n if (this.lightPosition) {\n console.warn(\n \"Spacekit doesn't support more than one light source for SphereObjects\",\n );\n }\n this.lightPosition = new THREE.Vector3();\n\n // Pointlight is for standard meshes created by ShapeObjects.\n // TODO(ian): Remove this point light.\n const pointLight = new THREE.PointLight();\n\n if (typeof pos === 'undefined') {\n // The light comes from the camera.\n // FIXME(ian): This only affects the point source.\n this.camera.get3jsCameraControls().addEventListener('change', () => {\n this.lightPosition!.copy(this.camera.get3jsCamera().position);\n pointLight.position.copy(this.camera.get3jsCamera().position);\n });\n } else {\n const rescaled = rescaleArray(pos);\n this.lightPosition.set(rescaled[0], rescaled[1], rescaled[2]);\n pointLight.position.set(rescaled[0], rescaled[1], rescaled[2]);\n }\n\n this.scene.add(pointLight);\n this.useLightSources = true;\n }\n\n getLightPosition(): Vector3 | undefined {\n return this.lightPosition;\n }\n\n isUsingLightSources(): boolean {\n return this.useLightSources;\n }\n\n /**\n * Returns a promise that receives a NaturalSatellites object when it is\n * resolved.\n * @return {Promise} NaturalSatellites object that is\n * ready to load.\n *\n * @see {NaturalSatellites}\n */\n loadNaturalSatellites(): Promise {\n return new NaturalSatellites(this).load();\n }\n\n /**\n * Installs a scroll handler that only renders the visualization while it is\n * in the user's viewport.\n *\n * The scroll handler currently binds to the window object only.\n */\n renderOnlyInViewport() {\n let previouslyInView = true;\n const isInView = () => {\n const rect = this.simulationElt.getBoundingClientRect();\n const windowHeight =\n window.innerHeight || document.documentElement.clientHeight;\n const windowWidth =\n window.innerWidth || document.documentElement.clientWidth;\n const vertInView =\n rect.top <= windowHeight && rect.top + rect.height >= 0;\n const horInView = rect.left <= windowWidth && rect.left + rect.width >= 0;\n\n return vertInView && horInView;\n };\n\n window.addEventListener('scroll', () => {\n const inView = isInView();\n if (previouslyInView && !inView) {\n // Went out of view\n this.renderEnabled = false;\n previouslyInView = false;\n } else if (!previouslyInView && inView) {\n // Came into view\n this.renderEnabled = true;\n window.requestAnimationFrame(this.animate);\n previouslyInView = true;\n }\n });\n\n if (!isInView()) {\n // Initial state is render enabled, so disable it if currently out of\n // view.\n this.renderEnabled = false;\n previouslyInView = false;\n }\n }\n\n /**\n * Adjust camera position so that the object fits within the viewport. If\n * applicable, this function will fit around the object's orbit.\n * @param {SpaceObject} spaceObj Object to fit within viewport.\n * @param {Number} offset Add some extra room in the viewport. Increase to be\n * further zoomed out, decrease to be closer. Default 3.0.\n */\n async zoomToFit(\n spaceObj: SpaceObject,\n offset: number = 3.0,\n ): Promise {\n const orbit = spaceObj.getOrbit();\n const obj = orbit\n ? orbit.getOrbitShape()\n : await spaceObj.getBoundingObject();\n if (obj) {\n this.doZoomToFit(obj, offset);\n return true;\n }\n return false;\n }\n\n /**\n * @private\n * Perform the actual zoom to fit behavior.\n * @param {Object3D} obj Three.js object to fit within viewport.\n * @param {Number} offset Add some extra room in the viewport. Increase to be\n * further zoomed out, decrease to be closer. Default 3.0.\n */\n private doZoomToFit(obj: Object3D, offset: number) {\n const boundingBox = new THREE.Box3();\n boundingBox.setFromObject(obj);\n\n const center = new THREE.Vector3();\n boundingBox.getCenter(center);\n const size = new THREE.Vector3();\n boundingBox.getSize(size);\n\n // Get the max side of the bounding box (fits to width OR height as needed)\n const camera = this.camera.get3jsCamera();\n const maxDim = Math.max(size.x, size.y, size.z);\n const fov = camera.fov * (Math.PI / 180);\n const cameraZ = Math.abs((maxDim / 2) * Math.tan(fov * 2)) * offset;\n\n const objectWorldPosition = new THREE.Vector3();\n obj.getWorldPosition(objectWorldPosition);\n const directionVector = camera.position.sub(objectWorldPosition); // Get vector from camera to object\n const unitDirectionVector = directionVector.normalize(); // Convert to unit vector\n\n const newpos = unitDirectionVector.multiplyScalar(cameraZ);\n camera.position.x = newpos.x;\n camera.position.y = newpos.y;\n camera.position.z = newpos.z;\n camera.updateProjectionMatrix();\n\n // Update default camera pos so if drift is on, camera will drift around\n // its new position.\n this.cameraDefaultPos = [newpos.x, newpos.y, newpos.z];\n }\n\n /**\n * Run the animation\n */\n start() {\n this.lastUpdatedTime = Date.now();\n this.isPaused = false;\n }\n\n /**\n * Stop the animation\n */\n stop() {\n this.isPaused = true;\n }\n\n /**\n * Gets the current JD date of the simulation\n * @return {Number} JD date\n */\n getJd(): number {\n return this.jd;\n }\n\n /**\n * Sets the JD date of the simulation.\n * @param {Number} val JD date\n */\n setJd(val: number) {\n this.jd = val;\n this.update(true);\n }\n\n /**\n * Get a date object representing local date and time of the simulation.\n * @return {Date} Date of simulation\n */\n getDate(): Date {\n return julian.toDate(this.jd);\n }\n\n /**\n * Set the local date and time of the simulation.\n * @param {Date} date Date of simulation\n */\n setDate(date: Date) {\n this.setJd(Number(julian(date)));\n }\n\n /**\n * Get the JD per frame of the visualization.\n */\n getJdDelta() {\n if (!this.jdDelta) {\n return this.jdPerSecond / this.fps;\n }\n return this.jdDelta;\n }\n\n /**\n * Set the JD per frame of the visualization. This will override any\n * existing \"JD per second\" setting.\n * @param {Number} delta JD per frame\n */\n setJdDelta(delta: number) {\n this.jdDelta = delta;\n }\n\n /**\n * Get the JD change per second of the visualization.\n * @return {Number | undefined} JD per second, undefined if jd per second is\n * not set.\n */\n getJdPerSecond(): number | undefined {\n if (this.jdDelta) {\n // Jd per second can vary\n return undefined;\n }\n return this.jdPerSecond;\n }\n\n /**\n * Set the JD change per second of the visualization.\n * @param {Number} x JD per second\n */\n setJdPerSecond(x: number) {\n // Delta overrides jd per second, so unset it.\n this.jdDelta = undefined;\n\n this.jdPerSecond = x;\n }\n\n /**\n * Get an object that contains useful context for this visualization\n * @return {Object} Context object\n */\n getContext(): SimulationContext {\n return {\n simulation: this,\n options: this.options,\n objects: {\n particles: this.particles,\n camera: this.camera,\n scene: this.scene,\n renderer: this.renderer,\n composer: this.composer,\n },\n container: {\n width: this.simulationElt.offsetWidth,\n height: this.simulationElt.offsetHeight,\n },\n };\n }\n\n /**\n * Get the element containing this simulation\n * @return {HTMLElement} The html container of this simulation\n */\n getSimulationElement(): HTMLCanvasElement {\n return this.simulationElt;\n }\n\n /**\n * Get the Camera and CameraControls wrapper object\n * @return {Camera} The Camera wrapper\n */\n getViewer(): Camera {\n return this.camera;\n }\n\n /**\n * Get the three.js scene object\n * @return {THREE.Scene} The THREE.js scene object\n */\n getScene(): THREE.Scene {\n return this.scene;\n }\n\n /**\n * Get the three.js renderer\n * @return {THREE.WebGL1Renderer} The THREE.js renderer\n */\n getRenderer(): THREE.WebGL1Renderer {\n return this.renderer;\n }\n\n /**\n * Enable or disable camera drift.\n * @param {boolean} driftOn True if you want the camera to float around a bit\n */\n setCameraDrift(driftOn: boolean) {\n this.enableCameraDrift = driftOn;\n }\n}\n\nexport default Simulation;\n", "var Stats = function () {\n\n\tvar mode = 0;\n\n\tvar container = document.createElement( 'div' );\n\tcontainer.style.cssText = 'position:fixed;top:0;left:0;cursor:pointer;opacity:0.9;z-index:10000';\n\tcontainer.addEventListener( 'click', function ( event ) {\n\n\t\tevent.preventDefault();\n\t\tshowPanel( ++ mode % container.children.length );\n\n\t}, false );\n\n\t//\n\n\tfunction addPanel( panel ) {\n\n\t\tcontainer.appendChild( panel.dom );\n\t\treturn panel;\n\n\t}\n\n\tfunction showPanel( id ) {\n\n\t\tfor ( var i = 0; i < container.children.length; i ++ ) {\n\n\t\t\tcontainer.children[ i ].style.display = i === id ? 'block' : 'none';\n\n\t\t}\n\n\t\tmode = id;\n\n\t}\n\n\t//\n\n\tvar beginTime = ( performance || Date ).now(), prevTime = beginTime, frames = 0;\n\n\tvar fpsPanel = addPanel( new Stats.Panel( 'FPS', '#0ff', '#002' ) );\n\tvar msPanel = addPanel( new Stats.Panel( 'MS', '#0f0', '#020' ) );\n\n\tif ( self.performance && self.performance.memory ) {\n\n\t\tvar memPanel = addPanel( new Stats.Panel( 'MB', '#f08', '#201' ) );\n\n\t}\n\n\tshowPanel( 0 );\n\n\treturn {\n\n\t\tREVISION: 16,\n\n\t\tdom: container,\n\n\t\taddPanel: addPanel,\n\t\tshowPanel: showPanel,\n\n\t\tbegin: function () {\n\n\t\t\tbeginTime = ( performance || Date ).now();\n\n\t\t},\n\n\t\tend: function () {\n\n\t\t\tframes ++;\n\n\t\t\tvar time = ( performance || Date ).now();\n\n\t\t\tmsPanel.update( time - beginTime, 200 );\n\n\t\t\tif ( time >= prevTime + 1000 ) {\n\n\t\t\t\tfpsPanel.update( ( frames * 1000 ) / ( time - prevTime ), 100 );\n\n\t\t\t\tprevTime = time;\n\t\t\t\tframes = 0;\n\n\t\t\t\tif ( memPanel ) {\n\n\t\t\t\t\tvar memory = performance.memory;\n\t\t\t\t\tmemPanel.update( memory.usedJSHeapSize / 1048576, memory.jsHeapSizeLimit / 1048576 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn time;\n\n\t\t},\n\n\t\tupdate: function () {\n\n\t\t\tbeginTime = this.end();\n\n\t\t},\n\n\t\t// Backwards Compatibility\n\n\t\tdomElement: container,\n\t\tsetMode: showPanel\n\n\t};\n\n};\n\nStats.Panel = function ( name, fg, bg ) {\n\n\tvar min = Infinity, max = 0, round = Math.round;\n\tvar PR = round( window.devicePixelRatio || 1 );\n\n\tvar WIDTH = 80 * PR, HEIGHT = 48 * PR,\n\t\tTEXT_X = 3 * PR, TEXT_Y = 2 * PR,\n\t\tGRAPH_X = 3 * PR, GRAPH_Y = 15 * PR,\n\t\tGRAPH_WIDTH = 74 * PR, GRAPH_HEIGHT = 30 * PR;\n\n\tvar canvas = document.createElement( 'canvas' );\n\tcanvas.width = WIDTH;\n\tcanvas.height = HEIGHT;\n\tcanvas.style.cssText = 'width:80px;height:48px';\n\n\tvar context = canvas.getContext( '2d' );\n\tcontext.font = 'bold ' + ( 9 * PR ) + 'px Helvetica,Arial,sans-serif';\n\tcontext.textBaseline = 'top';\n\n\tcontext.fillStyle = bg;\n\tcontext.fillRect( 0, 0, WIDTH, HEIGHT );\n\n\tcontext.fillStyle = fg;\n\tcontext.fillText( name, TEXT_X, TEXT_Y );\n\tcontext.fillRect( GRAPH_X, GRAPH_Y, GRAPH_WIDTH, GRAPH_HEIGHT );\n\n\tcontext.fillStyle = bg;\n\tcontext.globalAlpha = 0.9;\n\tcontext.fillRect( GRAPH_X, GRAPH_Y, GRAPH_WIDTH, GRAPH_HEIGHT );\n\n\treturn {\n\n\t\tdom: canvas,\n\n\t\tupdate: function ( value, maxValue ) {\n\n\t\t\tmin = Math.min( min, value );\n\t\t\tmax = Math.max( max, value );\n\n\t\t\tcontext.fillStyle = bg;\n\t\t\tcontext.globalAlpha = 1;\n\t\t\tcontext.fillRect( 0, 0, WIDTH, GRAPH_Y );\n\t\t\tcontext.fillStyle = fg;\n\t\t\tcontext.fillText( round( value ) + ' ' + name + ' (' + round( min ) + '-' + round( max ) + ')', TEXT_X, TEXT_Y );\n\n\t\t\tcontext.drawImage( canvas, GRAPH_X + PR, GRAPH_Y, GRAPH_WIDTH - PR, GRAPH_HEIGHT, GRAPH_X, GRAPH_Y, GRAPH_WIDTH - PR, GRAPH_HEIGHT );\n\n\t\t\tcontext.fillRect( GRAPH_X + GRAPH_WIDTH - PR, GRAPH_Y, PR, GRAPH_HEIGHT );\n\n\t\t\tcontext.fillStyle = bg;\n\t\t\tcontext.globalAlpha = 0.9;\n\t\t\tcontext.fillRect( GRAPH_X + GRAPH_WIDTH - PR, GRAPH_Y, PR, round( ( 1 - ( value / maxValue ) ) * GRAPH_HEIGHT ) );\n\n\t\t}\n\n\t};\n\n};\n\nexport default Stats;\n", "/**\n * postprocessing v6.29.0 build Mon Oct 17 2022\n * https://github.com/pmndrs/postprocessing\n * Copyright 2015-2022 Raoul van R\u00FCschen\n * @license Zlib\n */\n\n// src/core/Disposable.js\nvar Disposable = class {\n dispose() {\n }\n};\n\n// src/core/EffectComposer.js\nimport {\n DepthStencilFormat,\n DepthTexture,\n LinearFilter as LinearFilter2,\n REVISION as REVISION6,\n sRGBEncoding as sRGBEncoding8,\n UnsignedByteType as UnsignedByteType12,\n UnsignedIntType,\n UnsignedInt248Type,\n Vector2 as Vector217,\n WebGLMultisampleRenderTarget,\n WebGLRenderTarget as WebGLRenderTarget13\n} from \"three\";\n\n// src/passes/AdaptiveLuminancePass.js\nimport { NearestFilter, WebGLRenderTarget as WebGLRenderTarget3 } from \"three\";\n\n// src/materials/AdaptiveLuminanceMaterial.js\nimport { NoBlending, REVISION, ShaderMaterial, Uniform } from \"three\";\n\n// src/materials/glsl/adaptive-luminance.frag\nvar adaptive_luminance_default = \"#include \\n#define packFloatToRGBA(v) packDepthToRGBA(v)\\n#define unpackRGBAToFloat(v) unpackRGBAToDepth(v)\\nuniform lowp sampler2D luminanceBuffer0;uniform lowp sampler2D luminanceBuffer1;uniform float minLuminance;uniform float deltaTime;uniform float tau;varying vec2 vUv;void main(){float l0=unpackRGBAToFloat(texture2D(luminanceBuffer0,vUv));\\n#if __VERSION__ < 300\\nfloat l1=texture2DLodEXT(luminanceBuffer1,vUv,MIP_LEVEL_1X1).r;\\n#else\\nfloat l1=textureLod(luminanceBuffer1,vUv,MIP_LEVEL_1X1).r;\\n#endif\\nl0=max(minLuminance,l0);l1=max(minLuminance,l1);float adaptedLum=l0+(l1-l0)*(1.0-exp(-deltaTime*tau));gl_FragColor=(adaptedLum==1.0)?vec4(1.0):packFloatToRGBA(adaptedLum);}\";\n\n// src/materials/glsl/common.vert\nvar common_default = \"varying vec2 vUv;void main(){vUv=position.xy*0.5+0.5;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/AdaptiveLuminanceMaterial.js\nvar AdaptiveLuminanceMaterial = class extends ShaderMaterial {\n constructor() {\n super({\n name: \"AdaptiveLuminanceMaterial\",\n defines: {\n THREE_REVISION: REVISION.replace(/\\D+/g, \"\"),\n MIP_LEVEL_1X1: \"0.0\"\n },\n uniforms: {\n luminanceBuffer0: new Uniform(null),\n luminanceBuffer1: new Uniform(null),\n minLuminance: new Uniform(0.01),\n deltaTime: new Uniform(0),\n tau: new Uniform(1)\n },\n extensions: {\n shaderTextureLOD: true\n },\n blending: NoBlending,\n depthWrite: false,\n depthTest: false,\n fragmentShader: adaptive_luminance_default,\n vertexShader: common_default\n });\n this.toneMapped = false;\n }\n set luminanceBuffer0(value) {\n this.uniforms.luminanceBuffer0.value = value;\n }\n setLuminanceBuffer0(value) {\n this.uniforms.luminanceBuffer0.value = value;\n }\n set luminanceBuffer1(value) {\n this.uniforms.luminanceBuffer1.value = value;\n }\n setLuminanceBuffer1(value) {\n this.uniforms.luminanceBuffer1.value = value;\n }\n set mipLevel1x1(value) {\n this.defines.MIP_LEVEL_1X1 = value.toFixed(1);\n this.needsUpdate = true;\n }\n setMipLevel1x1(value) {\n this.mipLevel1x1 = value;\n }\n set deltaTime(value) {\n this.uniforms.deltaTime.value = value;\n }\n setDeltaTime(value) {\n this.uniforms.deltaTime.value = value;\n }\n get minLuminance() {\n return this.uniforms.minLuminance.value;\n }\n set minLuminance(value) {\n this.uniforms.minLuminance.value = value;\n }\n getMinLuminance() {\n return this.uniforms.minLuminance.value;\n }\n setMinLuminance(value) {\n this.uniforms.minLuminance.value = value;\n }\n get adaptationRate() {\n return this.uniforms.tau.value;\n }\n set adaptationRate(value) {\n this.uniforms.tau.value = value;\n }\n getAdaptationRate() {\n return this.uniforms.tau.value;\n }\n setAdaptationRate(value) {\n this.uniforms.tau.value = value;\n }\n};\n\n// src/materials/BokehMaterial.js\nimport { NoBlending as NoBlending2, ShaderMaterial as ShaderMaterial2, Uniform as Uniform2, Vector2 } from \"three\";\n\n// src/materials/glsl/convolution.bokeh.frag\nvar convolution_bokeh_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#if PASS == 1\\nuniform vec4 kernel64[32];\\n#else\\nuniform vec4 kernel16[8];\\n#endif\\nuniform lowp sampler2D cocBuffer;uniform vec2 texelSize;uniform float scale;varying vec2 vUv;void main(){\\n#ifdef FOREGROUND\\nvec2 CoCNearFar=texture2D(cocBuffer,vUv).rg;float CoC=CoCNearFar.r*scale;\\n#else\\nfloat CoC=texture2D(cocBuffer,vUv).g*scale;\\n#endif\\nif(CoC==0.0){gl_FragColor=texture2D(inputBuffer,vUv);}else{\\n#ifdef FOREGROUND\\nvec2 step=texelSize*max(CoC,CoCNearFar.g*scale);\\n#else\\nvec2 step=texelSize*CoC;\\n#endif\\n#if PASS == 1\\nvec4 acc=vec4(0.0);for(int i=0;i<32;++i){vec4 kernel=kernel64[i];vec2 uv=step*kernel.xy+vUv;acc+=texture2D(inputBuffer,uv);uv=step*kernel.zw+vUv;acc+=texture2D(inputBuffer,uv);}gl_FragColor=acc/64.0;\\n#else\\nvec4 maxValue=texture2D(inputBuffer,vUv);for(int i=0;i<8;++i){vec4 kernel=kernel16[i];vec2 uv=step*kernel.xy+vUv;maxValue=max(texture2D(inputBuffer,uv),maxValue);uv=step*kernel.zw+vUv;maxValue=max(texture2D(inputBuffer,uv),maxValue);}gl_FragColor=maxValue;\\n#endif\\n}}\";\n\n// src/materials/BokehMaterial.js\nvar BokehMaterial = class extends ShaderMaterial2 {\n constructor(fill = false, foreground = false) {\n super({\n name: \"BokehMaterial\",\n defines: {\n PASS: fill ? \"2\" : \"1\"\n },\n uniforms: {\n inputBuffer: new Uniform2(null),\n cocBuffer: new Uniform2(null),\n texelSize: new Uniform2(new Vector2()),\n kernel64: new Uniform2(null),\n kernel16: new Uniform2(null),\n scale: new Uniform2(1)\n },\n blending: NoBlending2,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_bokeh_default,\n vertexShader: common_default\n });\n this.toneMapped = false;\n if (foreground) {\n this.defines.FOREGROUND = \"1\";\n }\n this.generateKernel();\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n set cocBuffer(value) {\n this.uniforms.cocBuffer.value = value;\n }\n setCoCBuffer(value) {\n this.uniforms.cocBuffer.value = value;\n }\n get scale() {\n return this.uniforms.scale.value;\n }\n set scale(value) {\n this.uniforms.scale.value = value;\n }\n getScale(value) {\n return this.scale;\n }\n setScale(value) {\n this.scale = value;\n }\n generateKernel() {\n const GOLDEN_ANGLE = 2.39996323;\n const points64 = new Float64Array(128);\n const points16 = new Float64Array(32);\n let i64 = 0, i16 = 0;\n for (let i = 0, sqrt80 = Math.sqrt(80); i < 80; ++i) {\n const theta = i * GOLDEN_ANGLE;\n const r = Math.sqrt(i) / sqrt80;\n const u = r * Math.cos(theta), v3 = r * Math.sin(theta);\n if (i % 5 === 0) {\n points16[i16++] = u;\n points16[i16++] = v3;\n } else {\n points64[i64++] = u;\n points64[i64++] = v3;\n }\n }\n this.uniforms.kernel64.value = points64;\n this.uniforms.kernel16.value = points16;\n }\n setTexelSize(x, y) {\n this.uniforms.texelSize.value.set(x, y);\n }\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/BoxBlurMaterial.js\nimport { NoBlending as NoBlending3, PerspectiveCamera, ShaderMaterial as ShaderMaterial3, Uniform as Uniform3, Vector2 as Vector22 } from \"three\";\n\n// src/utils/getTextureDecoding.js\nimport {\n LinearEncoding,\n REVISION as REVISION2,\n RGBAFormat,\n sRGBEncoding,\n UnsignedByteType\n} from \"three\";\nfunction getTextureDecoding(texture, isWebGL2) {\n let decoding = \"texel\";\n if (texture !== null) {\n const revision = Number.parseInt(REVISION2);\n const sRGB8Alpha8 = isWebGL2 && revision >= 133 && revision !== 135 && texture.format === RGBAFormat && texture.type === UnsignedByteType && texture.encoding === sRGBEncoding;\n if (!sRGB8Alpha8) {\n switch (texture.encoding) {\n case sRGBEncoding:\n decoding = \"sRGBToLinear(texel)\";\n break;\n case LinearEncoding:\n decoding = \"texel\";\n break;\n default:\n throw new Error(`Unsupported encoding: ${texture.encoding}`);\n }\n }\n }\n return decoding;\n}\n\n// src/utils/orthographicDepthToViewZ.js\nfunction orthographicDepthToViewZ(depth, near, far) {\n return depth * (near - far) - near;\n}\n\n// src/utils/viewZToOrthographicDepth.js\nfunction viewZToOrthographicDepth(viewZ, near, far) {\n return Math.min(Math.max((viewZ + near) / (near - far), 0), 1);\n}\n\n// src/materials/glsl/convolution.box.frag\nvar convolution_box_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#ifdef BILATERAL\\n#include \\nuniform vec2 cameraNearFar;\\n#ifdef NORMAL_DEPTH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){return texture2D(normalDepthBuffer,uv).a;}\\n#else\\n#if DEPTH_PACKING == 3201\\nuniform lowp sampler2D depthBuffer;\\n#elif defined(GL_FRAGMENT_PRECISION_HIGH)\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}\\n#endif\\nfloat getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#endif\\n}\\n#ifdef PERSPECTIVE_CAMERA\\n#define linearDepth(v) viewZToOrthographicDepth(getViewZ(readDepth(v)), cameraNearFar.x, cameraNearFar.y)\\n#else\\n#define linearDepth(v) readDepth(v)\\n#endif\\n#endif\\n#define getTexel(v) texture2D(inputBuffer, v)\\n#if KERNEL_SIZE == 3\\nvarying vec2 vUv00,vUv01,vUv02;varying vec2 vUv03,vUv04,vUv05;varying vec2 vUv06,vUv07,vUv08;\\n#elif KERNEL_SIZE == 5 && MAX_VARYING_VECTORS >= 13\\nvarying vec2 vUv00,vUv01,vUv02,vUv03,vUv04;varying vec2 vUv05,vUv06,vUv07,vUv08,vUv09;varying vec2 vUv10,vUv11,vUv12,vUv13,vUv14;varying vec2 vUv15,vUv16,vUv17,vUv18,vUv19;varying vec2 vUv20,vUv21,vUv22,vUv23,vUv24;\\n#else\\nuniform vec2 texelSize;uniform float scale;varying vec2 vUv;\\n#endif\\nvoid main(){\\n#if KERNEL_SIZE == 3\\nvec4 c[]=vec4[KERNEL_SIZE_SQ](getTexel(vUv00),getTexel(vUv01),getTexel(vUv02),getTexel(vUv03),getTexel(vUv04),getTexel(vUv05),getTexel(vUv06),getTexel(vUv07),getTexel(vUv08));\\n#ifdef BILATERAL\\nfloat z[]=float[KERNEL_SIZE_SQ](linearDepth(vUv00),linearDepth(vUv01),linearDepth(vUv02),linearDepth(vUv03),linearDepth(vUv04),linearDepth(vUv05),linearDepth(vUv06),linearDepth(vUv07),linearDepth(vUv08));\\n#endif\\n#elif KERNEL_SIZE == 5 && MAX_VARYING_VECTORS >= 13\\nvec4 c[]=vec4[KERNEL_SIZE_SQ](getTexel(vUv00),getTexel(vUv01),getTexel(vUv02),getTexel(vUv03),getTexel(vUv04),getTexel(vUv05),getTexel(vUv06),getTexel(vUv07),getTexel(vUv08),getTexel(vUv09),getTexel(vUv10),getTexel(vUv11),getTexel(vUv12),getTexel(vUv13),getTexel(vUv14),getTexel(vUv15),getTexel(vUv16),getTexel(vUv17),getTexel(vUv18),getTexel(vUv19),getTexel(vUv20),getTexel(vUv21),getTexel(vUv22),getTexel(vUv23),getTexel(vUv24));\\n#ifdef BILATERAL\\nfloat z[]=float[KERNEL_SIZE_SQ](linearDepth(vUv00),linearDepth(vUv01),linearDepth(vUv02),linearDepth(vUv03),linearDepth(vUv04),linearDepth(vUv05),linearDepth(vUv06),linearDepth(vUv07),linearDepth(vUv08),linearDepth(vUv09),linearDepth(vUv10),linearDepth(vUv11),linearDepth(vUv12),linearDepth(vUv13),linearDepth(vUv14),linearDepth(vUv15),linearDepth(vUv16),linearDepth(vUv17),linearDepth(vUv18),linearDepth(vUv19),linearDepth(vUv20),linearDepth(vUv21),linearDepth(vUv22),linearDepth(vUv23),linearDepth(vUv24));\\n#endif\\n#endif\\nvec4 result=vec4(0.0);\\n#ifdef BILATERAL\\nfloat w=0.0;\\n#if KERNEL_SIZE == 3 || (KERNEL_SIZE == 5 && MAX_VARYING_VECTORS >= 13)\\nfloat centerDepth=z[KERNEL_SIZE_SQ_HALF];for(int i=0;i= 13)\\nfor(int i=0;i= 13\\nvarying vec2 vUv00,vUv01,vUv02,vUv03,vUv04;varying vec2 vUv05,vUv06,vUv07,vUv08,vUv09;varying vec2 vUv10,vUv11,vUv12,vUv13,vUv14;varying vec2 vUv15,vUv16,vUv17,vUv18,vUv19;varying vec2 vUv20,vUv21,vUv22,vUv23,vUv24;\\n#else\\nvarying vec2 vUv;\\n#endif\\nvoid main(){vec2 uv=position.xy*0.5+0.5;\\n#if KERNEL_SIZE == 3\\nvec2 s=texelSize*scale;vUv00=uv+s*vec2(-1.0,-1.0);vUv01=uv+s*vec2(0.0,-1.0);vUv02=uv+s*vec2(1.0,-1.0);vUv03=uv+s*vec2(-1.0,0.0);vUv04=uv;vUv05=uv+s*vec2(1.0,0.0);vUv06=uv+s*vec2(-1.0,1.0);vUv07=uv+s*vec2(0.0,1.0);vUv08=uv+s*vec2(1.0,1.0);\\n#elif KERNEL_SIZE == 5\\nvec2 s=texelSize*scale;vUv00=uv+s*vec2(-2.0,-2.0);vUv01=uv+s*vec2(-1.0,-2.0);vUv02=uv+s*vec2(0.0,-2.0);vUv03=uv+s*vec2(1.0,-2.0);vUv04=uv+s*vec2(2.0,-2.0);vUv05=uv+s*vec2(-2.0,-1.0);vUv06=uv+s*vec2(-1.0,-1.0);vUv07=uv+s*vec2(0.0,-1.0);vUv08=uv+s*vec2(1.0,-1.0);vUv09=uv+s*vec2(2.0,-1.0);vUv10=uv+s*vec2(-2.0,0.0);vUv11=uv+s*vec2(-1.0,0.0);vUv12=uv;vUv13=uv+s*vec2(1.0,0.0);vUv14=uv+s*vec2(2.0,0.0);vUv15=uv+s*vec2(-2.0,1.0);vUv16=uv+s*vec2(-1.0,1.0);vUv17=uv+s*vec2(0.0,1.0);vUv18=uv+s*vec2(1.0,1.0);vUv19=uv+s*vec2(2.0,1.0);vUv20=uv+s*vec2(-2.0,2.0);vUv21=uv+s*vec2(-1.0,2.0);vUv22=uv+s*vec2(0.0,2.0);vUv23=uv+s*vec2(1.0,2.0);vUv24=uv+s*vec2(2.0,2.0);\\n#else\\nvUv=uv;\\n#endif\\ngl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/BoxBlurMaterial.js\nvar BoxBlurMaterial = class extends ShaderMaterial3 {\n constructor({ bilateral = false, kernelSize = 5 } = {}) {\n super({\n name: \"BoxBlurMaterial\",\n defines: {\n DEPTH_PACKING: \"0\",\n DISTANCE_THRESHOLD: \"0.1\"\n },\n uniforms: {\n inputBuffer: new Uniform3(null),\n depthBuffer: new Uniform3(null),\n normalDepthBuffer: new Uniform3(null),\n texelSize: new Uniform3(new Vector22()),\n cameraNearFar: new Uniform3(new Vector22()),\n scale: new Uniform3(1)\n },\n blending: NoBlending3,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_box_default,\n vertexShader: convolution_box_default2\n });\n this.toneMapped = false;\n this.bilateral = bilateral;\n this.kernelSize = kernelSize;\n this.maxVaryingVectors = 8;\n }\n set maxVaryingVectors(value) {\n this.defines.MAX_VARYING_VECTORS = value.toFixed(0);\n }\n get kernelSize() {\n return Number(this.defines.KERNEL_SIZE);\n }\n set kernelSize(value) {\n if (value % 2 === 0) {\n throw new Error(\"The kernel size must be an odd number\");\n }\n this.defines.KERNEL_SIZE = value.toFixed(0);\n this.defines.KERNEL_SIZE_HALF = Math.floor(value / 2).toFixed(0);\n this.defines.KERNEL_SIZE_SQ = (value ** 2).toFixed(0);\n this.defines.KERNEL_SIZE_SQ_HALF = Math.floor(value ** 2 / 2).toFixed(0);\n this.defines.INV_KERNEL_SIZE_SQ = (1 / value ** 2).toFixed(6);\n this.needsUpdate = true;\n }\n get scale() {\n return this.uniforms.scale.value;\n }\n set scale(value) {\n this.uniforms.scale.value = value;\n }\n get near() {\n return this.uniforms.cameraNearFar.value.x;\n }\n get far() {\n return this.uniforms.cameraNearFar.value.y;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n set normalDepthBuffer(value) {\n this.uniforms.normalDepthBuffer.value = value;\n if (value !== null) {\n this.defines.NORMAL_DEPTH = \"1\";\n } else {\n delete this.defines.NORMAL_DEPTH;\n }\n this.needsUpdate = true;\n }\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n get bilateral() {\n return this.defines.BILATERAL !== void 0;\n }\n set bilateral(value) {\n if (value !== null) {\n this.defines.BILATERAL = \"1\";\n } else {\n delete this.defines.BILATERAL;\n }\n this.needsUpdate = true;\n }\n get worldDistanceThreshold() {\n return -orthographicDepthToViewZ(Number(this.defines.DISTANCE_THRESHOLD), this.near, this.far);\n }\n set worldDistanceThreshold(value) {\n const threshold = viewZToOrthographicDepth(-value, this.near, this.far);\n this.defines.DISTANCE_THRESHOLD = threshold.toFixed(12);\n this.needsUpdate = true;\n }\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNearFar.value.set(camera.near, camera.far);\n if (camera instanceof PerspectiveCamera) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/CircleOfConfusionMaterial.js\nimport { BasicDepthPacking, NoBlending as NoBlending4, PerspectiveCamera as PerspectiveCamera2, ShaderMaterial as ShaderMaterial4, Uniform as Uniform4 } from \"three\";\n\n// src/materials/glsl/circle-of-confusion.frag\nvar circle_of_confusion_default = \"#include \\n#include \\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nuniform float focusDistance;uniform float focusRange;uniform float cameraNear;uniform float cameraFar;varying vec2 vUv;float readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}void main(){float depth=readDepth(vUv);\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(depth,cameraNear,cameraFar);float linearDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearDepth=depth;\\n#endif\\nfloat signedDistance=linearDepth-focusDistance;float magnitude=smoothstep(0.0,focusRange,abs(signedDistance));gl_FragColor.rg=magnitude*vec2(step(signedDistance,0.0),step(0.0,signedDistance));}\";\n\n// src/materials/CircleOfConfusionMaterial.js\nvar CircleOfConfusionMaterial = class extends ShaderMaterial4 {\n constructor(camera) {\n super({\n name: \"CircleOfConfusionMaterial\",\n defines: {\n DEPTH_PACKING: \"0\"\n },\n uniforms: {\n depthBuffer: new Uniform4(null),\n focusDistance: new Uniform4(0),\n focusRange: new Uniform4(0),\n cameraNear: new Uniform4(0.3),\n cameraFar: new Uniform4(1e3)\n },\n blending: NoBlending4,\n depthWrite: false,\n depthTest: false,\n fragmentShader: circle_of_confusion_default,\n vertexShader: common_default\n });\n this.toneMapped = false;\n this.uniforms.focalLength = this.uniforms.focusRange;\n this.copyCameraSettings(camera);\n }\n get near() {\n return this.uniforms.cameraNear.value;\n }\n get far() {\n return this.uniforms.cameraFar.value;\n }\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n setDepthBuffer(buffer, depthPacking = BasicDepthPacking) {\n this.depthBuffer = buffer;\n this.depthPacking = depthPacking;\n }\n get focusDistance() {\n return this.uniforms.focusDistance.value;\n }\n set focusDistance(value) {\n this.uniforms.focusDistance.value = value;\n }\n get worldFocusDistance() {\n return -orthographicDepthToViewZ(this.focusDistance, this.near, this.far);\n }\n set worldFocusDistance(value) {\n this.focusDistance = viewZToOrthographicDepth(-value, this.near, this.far);\n }\n getFocusDistance(value) {\n this.uniforms.focusDistance.value = value;\n }\n setFocusDistance(value) {\n this.uniforms.focusDistance.value = value;\n }\n get focalLength() {\n return this.focusRange;\n }\n set focalLength(value) {\n this.focusRange = value;\n }\n get focusRange() {\n return this.uniforms.focusRange.value;\n }\n set focusRange(value) {\n this.uniforms.focusRange.value = value;\n }\n get worldFocusRange() {\n return -orthographicDepthToViewZ(this.focusRange, this.near, this.far);\n }\n set worldFocusRange(value) {\n this.focusRange = viewZToOrthographicDepth(-value, this.near, this.far);\n }\n getFocalLength(value) {\n return this.focusRange;\n }\n setFocalLength(value) {\n this.focusRange = value;\n }\n adoptCameraSettings(camera) {\n this.copyCameraSettings(camera);\n }\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNear.value = camera.near;\n this.uniforms.cameraFar.value = camera.far;\n if (camera instanceof PerspectiveCamera2) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n};\n\n// src/materials/KawaseBlurMaterial.js\nimport { NoBlending as NoBlending5, ShaderMaterial as ShaderMaterial5, Uniform as Uniform5, Vector4 } from \"three\";\n\n// src/enums/BlendFunction.js\nvar BlendFunction = {\n SKIP: 9,\n SET: 30,\n ADD: 0,\n ALPHA: 1,\n AVERAGE: 2,\n COLOR: 3,\n COLOR_BURN: 4,\n COLOR_DODGE: 5,\n DARKEN: 6,\n DIFFERENCE: 7,\n DIVIDE: 8,\n DST: 9,\n EXCLUSION: 10,\n HARD_LIGHT: 11,\n HARD_MIX: 12,\n HUE: 13,\n INVERT: 14,\n INVERT_RGB: 15,\n LIGHTEN: 16,\n LINEAR_BURN: 17,\n LINEAR_DODGE: 18,\n LINEAR_LIGHT: 19,\n LUMINOSITY: 20,\n MULTIPLY: 21,\n NEGATION: 22,\n NORMAL: 23,\n OVERLAY: 24,\n PIN_LIGHT: 25,\n REFLECT: 26,\n SATURATION: 27,\n SCREEN: 28,\n SOFT_LIGHT: 29,\n SRC: 30,\n SUBTRACT: 31,\n VIVID_LIGHT: 32\n};\n\n// src/enums/ColorChannel.js\nvar ColorChannel = {\n RED: 0,\n GREEN: 1,\n BLUE: 2,\n ALPHA: 3\n};\n\n// src/enums/DepthCopyMode.js\nvar DepthCopyMode = {\n FULL: 0,\n SINGLE: 1\n};\n\n// src/enums/DepthTestStrategy.js\nvar DepthTestStrategy = {\n DEFAULT: 0,\n KEEP_MAX_DEPTH: 1,\n DISCARD_MAX_DEPTH: 2\n};\n\n// src/enums/EdgeDetectionMode.js\nvar EdgeDetectionMode = {\n DEPTH: 0,\n LUMA: 1,\n COLOR: 2\n};\n\n// src/enums/EffectAttribute.js\nvar EffectAttribute = {\n NONE: 0,\n DEPTH: 1,\n CONVOLUTION: 2\n};\n\n// src/enums/EffectShaderSection.js\nvar EffectShaderSection = {\n FRAGMENT_HEAD: \"FRAGMENT_HEAD\",\n FRAGMENT_MAIN_UV: \"FRAGMENT_MAIN_UV\",\n FRAGMENT_MAIN_IMAGE: \"FRAGMENT_MAIN_IMAGE\",\n VERTEX_HEAD: \"VERTEX_HEAD\",\n VERTEX_MAIN_SUPPORT: \"VERTEX_MAIN_SUPPORT\"\n};\n\n// src/enums/GlitchMode.js\nvar GlitchMode = {\n DISABLED: 0,\n SPORADIC: 1,\n CONSTANT_MILD: 2,\n CONSTANT_WILD: 3\n};\n\n// src/enums/KernelSize.js\nvar KernelSize = {\n VERY_SMALL: 0,\n SMALL: 1,\n MEDIUM: 2,\n LARGE: 3,\n VERY_LARGE: 4,\n HUGE: 5\n};\n\n// src/enums/LUTOperation.js\nvar LUTOperation = {\n SCALE_UP: \"lut.scaleup\"\n};\n\n// src/enums/MaskFunction.js\nvar MaskFunction = {\n DISCARD: 0,\n MULTIPLY: 1,\n MULTIPLY_RGB_SET_ALPHA: 2\n};\n\n// src/enums/PredicationMode.js\nvar PredicationMode = {\n DISABLED: 0,\n DEPTH: 1,\n CUSTOM: 2\n};\n\n// src/enums/SMAAPreset.js\nvar SMAAPreset = {\n LOW: 0,\n MEDIUM: 1,\n HIGH: 2,\n ULTRA: 3\n};\n\n// src/enums/ToneMappingMode.js\nvar ToneMappingMode = {\n REINHARD: 0,\n REINHARD2: 1,\n REINHARD2_ADAPTIVE: 2,\n OPTIMIZED_CINEON: 3,\n ACES_FILMIC: 4\n};\n\n// src/enums/VignetteTechnique.js\nvar VignetteTechnique = {\n DEFAULT: 0,\n ESKIL: 1\n};\n\n// src/enums/WebGLExtension.js\nvar WebGLExtension = {\n DERIVATIVES: \"derivatives\",\n FRAG_DEPTH: \"fragDepth\",\n DRAW_BUFFERS: \"drawBuffers\",\n SHADER_TEXTURE_LOD: \"shaderTextureLOD\"\n};\n\n// src/materials/glsl/convolution.kawase.frag\nvar convolution_kawase_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nvarying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec4 sum=texture2D(inputBuffer,vUv0);sum+=texture2D(inputBuffer,vUv1);sum+=texture2D(inputBuffer,vUv2);sum+=texture2D(inputBuffer,vUv3);gl_FragColor=sum*0.25;\\n#include \\n}\";\n\n// src/materials/glsl/convolution.kawase.vert\nvar convolution_kawase_default2 = \"uniform vec4 texelSize;uniform float kernel;uniform float scale;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 uv=position.xy*0.5+0.5;vec2 dUv=(texelSize.xy*vec2(kernel)+texelSize.zw)*scale;vUv0=vec2(uv.x-dUv.x,uv.y+dUv.y);vUv1=vec2(uv.x+dUv.x,uv.y+dUv.y);vUv2=vec2(uv.x+dUv.x,uv.y-dUv.y);vUv3=vec2(uv.x-dUv.x,uv.y-dUv.y);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/KawaseBlurMaterial.js\nvar kernelPresets = [\n new Float32Array([0, 0]),\n new Float32Array([0, 1, 1]),\n new Float32Array([0, 1, 1, 2]),\n new Float32Array([0, 1, 2, 2, 3]),\n new Float32Array([0, 1, 2, 3, 4, 4, 5]),\n new Float32Array([0, 1, 2, 3, 4, 5, 7, 8, 9, 10])\n];\nvar KawaseBlurMaterial = class extends ShaderMaterial5 {\n constructor(texelSize = new Vector4()) {\n super({\n name: \"KawaseBlurMaterial\",\n uniforms: {\n inputBuffer: new Uniform5(null),\n texelSize: new Uniform5(new Vector4()),\n scale: new Uniform5(1),\n kernel: new Uniform5(0)\n },\n blending: NoBlending5,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_kawase_default,\n vertexShader: convolution_kawase_default2\n });\n this.toneMapped = false;\n this.setTexelSize(texelSize.x, texelSize.y);\n this.kernelSize = KernelSize.MEDIUM;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setInputBuffer(value) {\n this.inputBuffer = value;\n }\n get kernelSequence() {\n return kernelPresets[this.kernelSize];\n }\n get scale() {\n return this.uniforms.scale.value;\n }\n set scale(value) {\n this.uniforms.scale.value = value;\n }\n getScale() {\n return this.uniforms.scale.value;\n }\n setScale(value) {\n this.uniforms.scale.value = value;\n }\n getKernel() {\n return null;\n }\n get kernel() {\n return this.uniforms.kernel.value;\n }\n set kernel(value) {\n this.uniforms.kernel.value = value;\n }\n setKernel(value) {\n this.kernel = value;\n }\n setTexelSize(x, y) {\n this.uniforms.texelSize.value.set(x, y, x * 0.5, y * 0.5);\n }\n setSize(width, height) {\n const x = 1 / width, y = 1 / height;\n this.uniforms.texelSize.value.set(x, y, x * 0.5, y * 0.5);\n }\n};\n\n// src/materials/CopyMaterial.js\nimport { NoBlending as NoBlending6, ShaderMaterial as ShaderMaterial6, Uniform as Uniform6 } from \"three\";\n\n// src/materials/glsl/copy.frag\nvar copy_default = \"#include \\n#include \\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform float opacity;varying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);gl_FragColor=opacity*texel;\\n#include \\n#include \\n}\";\n\n// src/materials/CopyMaterial.js\nvar CopyMaterial = class extends ShaderMaterial6 {\n constructor() {\n super({\n name: \"CopyMaterial\",\n uniforms: {\n inputBuffer: new Uniform6(null),\n opacity: new Uniform6(1)\n },\n blending: NoBlending6,\n depthWrite: false,\n depthTest: false,\n fragmentShader: copy_default,\n vertexShader: common_default\n });\n this.toneMapped = false;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n getOpacity(value) {\n return this.uniforms.opacity.value;\n }\n setOpacity(value) {\n this.uniforms.opacity.value = value;\n }\n};\n\n// src/materials/DepthComparisonMaterial.js\nimport { NoBlending as NoBlending7, PerspectiveCamera as PerspectiveCamera3, RGBADepthPacking, ShaderMaterial as ShaderMaterial7, Uniform as Uniform7 } from \"three\";\n\n// src/materials/glsl/depth-comparison.frag\nvar depth_comparison_default = \"#include \\n#include \\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nuniform float cameraNear;uniform float cameraFar;varying float vViewZ;varying vec4 vProjTexCoord;void main(){\\n#include \\nvec2 projTexCoord=(vProjTexCoord.xy/vProjTexCoord.w)*0.5+0.5;projTexCoord=clamp(projTexCoord,0.002,0.998);\\n#if DEPTH_PACKING == 3201\\nfloat fragCoordZ=unpackRGBAToDepth(texture2D(depthBuffer,projTexCoord));\\n#else\\nfloat fragCoordZ=texture2D(depthBuffer,projTexCoord).r;\\n#endif\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(fragCoordZ,cameraNear,cameraFar);\\n#else\\nfloat viewZ=orthographicDepthToViewZ(fragCoordZ,cameraNear,cameraFar);\\n#endif\\nfloat depthTest=(-vViewZ>-viewZ)?1.0:0.0;gl_FragColor.rg=vec2(0.0,depthTest);}\";\n\n// src/materials/glsl/depth-comparison.vert\nvar depth_comparison_default2 = \"#include \\n#include \\n#include \\n#include \\nvarying float vViewZ;varying vec4 vProjTexCoord;void main(){\\n#include \\n#include \\n#include \\n#include \\n#include \\nvViewZ=mvPosition.z;vProjTexCoord=gl_Position;\\n#include \\n}\";\n\n// src/materials/DepthComparisonMaterial.js\nvar DepthComparisonMaterial = class extends ShaderMaterial7 {\n constructor(depthTexture = null, camera) {\n super({\n name: \"DepthComparisonMaterial\",\n defines: {\n DEPTH_PACKING: \"0\"\n },\n uniforms: {\n depthBuffer: new Uniform7(null),\n cameraNear: new Uniform7(0.3),\n cameraFar: new Uniform7(1e3)\n },\n blending: NoBlending7,\n depthWrite: false,\n depthTest: false,\n fragmentShader: depth_comparison_default,\n vertexShader: depth_comparison_default2\n });\n this.toneMapped = false;\n this.depthBuffer = depthTexture;\n this.depthPacking = RGBADepthPacking;\n this.copyCameraSettings(camera);\n }\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n setDepthBuffer(buffer, depthPacking = RGBADepthPacking) {\n this.depthBuffer = buffer;\n this.depthPacking = depthPacking;\n }\n adoptCameraSettings(camera) {\n this.copyCameraSettings(camera);\n }\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNear.value = camera.near;\n this.uniforms.cameraFar.value = camera.far;\n if (camera instanceof PerspectiveCamera3) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n};\n\n// src/materials/DepthCopyMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking2, NoBlending as NoBlending8, ShaderMaterial as ShaderMaterial8, Uniform as Uniform8, Vector2 as Vector23 } from \"three\";\n\n// src/materials/glsl/depth-copy.frag\nvar depth_copy_default = \"#include \\nvarying vec2 vUv;\\n#ifdef NORMAL_DEPTH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){return texture2D(normalDepthBuffer,uv).a;}\\n#else\\n#if INPUT_DEPTH_PACKING == 3201\\nuniform lowp sampler2D depthBuffer;\\n#elif defined(GL_FRAGMENT_PRECISION_HIGH)\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if INPUT_DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}\\n#endif\\nvoid main(){\\n#if INPUT_DEPTH_PACKING == OUTPUT_DEPTH_PACKING\\ngl_FragColor=texture2D(depthBuffer,vUv);\\n#else\\nfloat depth=readDepth(vUv);\\n#if OUTPUT_DEPTH_PACKING == 3201\\ngl_FragColor=(depth==1.0)?vec4(1.0):packDepthToRGBA(depth);\\n#else\\ngl_FragColor=vec4(vec3(depth),1.0);\\n#endif\\n#endif\\n}\";\n\n// src/materials/glsl/depth-copy.vert\nvar depth_copy_default2 = \"varying vec2 vUv;\\n#if DEPTH_COPY_MODE == 1\\nuniform vec2 texelPosition;\\n#endif\\nvoid main(){\\n#if DEPTH_COPY_MODE == 1\\nvUv=texelPosition;\\n#else\\nvUv=position.xy*0.5+0.5;\\n#endif\\ngl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/DepthCopyMaterial.js\nvar DepthCopyMaterial = class extends ShaderMaterial8 {\n constructor() {\n super({\n name: \"DepthCopyMaterial\",\n defines: {\n INPUT_DEPTH_PACKING: \"0\",\n OUTPUT_DEPTH_PACKING: \"0\",\n DEPTH_COPY_MODE: \"0\"\n },\n uniforms: {\n depthBuffer: new Uniform8(null),\n texelPosition: new Uniform8(new Vector23())\n },\n blending: NoBlending8,\n depthWrite: false,\n depthTest: false,\n fragmentShader: depth_copy_default,\n vertexShader: depth_copy_default2\n });\n this.toneMapped = false;\n this.depthCopyMode = DepthCopyMode.FULL;\n }\n get depthBuffer() {\n return this.uniforms.depthBuffer.value;\n }\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n set inputDepthPacking(value) {\n this.defines.INPUT_DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n get outputDepthPacking() {\n return Number(this.defines.OUTPUT_DEPTH_PACKING);\n }\n set outputDepthPacking(value) {\n this.defines.OUTPUT_DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n setDepthBuffer(buffer, depthPacking = BasicDepthPacking2) {\n this.depthBuffer = buffer;\n this.inputDepthPacking = depthPacking;\n }\n getInputDepthPacking() {\n return Number(this.defines.INPUT_DEPTH_PACKING);\n }\n setInputDepthPacking(value) {\n this.defines.INPUT_DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n getOutputDepthPacking() {\n return Number(this.defines.OUTPUT_DEPTH_PACKING);\n }\n setOutputDepthPacking(value) {\n this.defines.OUTPUT_DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n get texelPosition() {\n return this.uniforms.texelPosition.value;\n }\n getTexelPosition() {\n return this.uniforms.texelPosition.value;\n }\n setTexelPosition(value) {\n this.uniforms.texelPosition.value = value;\n }\n get mode() {\n return this.depthCopyMode;\n }\n set mode(value) {\n this.depthCopyMode = value;\n this.defines.DEPTH_COPY_MODE = value.toFixed(0);\n this.needsUpdate = true;\n }\n getMode() {\n return this.mode;\n }\n setMode(value) {\n this.mode = value;\n }\n};\n\n// src/materials/DepthDownsamplingMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking3, NoBlending as NoBlending9, ShaderMaterial as ShaderMaterial9, Uniform as Uniform9, Vector2 as Vector24 } from \"three\";\n\n// src/materials/glsl/depth-downsampling.frag\nvar depth_downsampling_default = \"#include \\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\n#ifdef DOWNSAMPLE_NORMALS\\nuniform lowp sampler2D normalBuffer;\\n#endif\\nvarying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;float readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}int findBestDepth(const in float samples[4]){float c=(samples[0]+samples[1]+samples[2]+samples[3])*0.25;float distances[]=float[4](abs(c-samples[0]),abs(c-samples[1]),abs(c-samples[2]),abs(c-samples[3]));float maxDistance=max(max(distances[0],distances[1]),max(distances[2],distances[3]));int remaining[3];int rejected[3];int i,j,k;for(i=0,j=0,k=0;i<4;++i){if(distances[i]\\n#include \\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer0;uniform highp sampler2D depthBuffer1;\\n#else\\nuniform mediump sampler2D depthBuffer0;uniform mediump sampler2D depthBuffer1;\\n#endif\\nuniform sampler2D inputBuffer;uniform vec2 cameraNearFar;float getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#endif\\n}varying vec2 vUv;void main(){vec2 depth;\\n#if DEPTH_PACKING_0 == 3201\\ndepth.x=unpackRGBAToDepth(texture2D(depthBuffer0,vUv));\\n#else\\ndepth.x=texture2D(depthBuffer0,vUv).r;\\n#endif\\n#if DEPTH_PACKING_1 == 3201\\ndepth.y=unpackRGBAToDepth(texture2D(depthBuffer1,vUv));\\n#else\\ndepth.y=texture2D(depthBuffer1,vUv).r;\\n#endif\\nbool isMaxDepth=(depth.x==1.0);\\n#ifdef PERSPECTIVE_CAMERA\\ndepth.x=viewZToOrthographicDepth(getViewZ(depth.x),cameraNearFar.x,cameraNearFar.y);depth.y=viewZToOrthographicDepth(getViewZ(depth.y),cameraNearFar.x,cameraNearFar.y);\\n#endif\\n#if DEPTH_TEST_STRATEGY == 0\\nbool keep=depthTest(depth.x,depth.y);\\n#elif DEPTH_TEST_STRATEGY == 1\\nbool keep=isMaxDepth||depthTest(depth.x,depth.y);\\n#else\\nbool keep=!isMaxDepth&&depthTest(depth.x,depth.y);\\n#endif\\nif(keep){gl_FragColor=texture2D(inputBuffer,vUv);}else{discard;}}\";\n\n// src/materials/DepthMaskMaterial.js\nvar DepthMaskMaterial = class extends ShaderMaterial10 {\n constructor() {\n super({\n name: \"DepthMaskMaterial\",\n defines: {\n DEPTH_EPSILON: \"0.0001\",\n DEPTH_PACKING_0: \"0\",\n DEPTH_PACKING_1: \"0\",\n DEPTH_TEST_STRATEGY: DepthTestStrategy.KEEP_MAX_DEPTH\n },\n uniforms: {\n inputBuffer: new Uniform10(null),\n depthBuffer0: new Uniform10(null),\n depthBuffer1: new Uniform10(null),\n cameraNearFar: new Uniform10(new Vector25(1, 1))\n },\n blending: NoBlending10,\n depthWrite: false,\n depthTest: false,\n fragmentShader: depth_mask_default,\n vertexShader: common_default\n });\n this.toneMapped = false;\n this.depthMode = LessDepth;\n }\n set depthBuffer0(value) {\n this.uniforms.depthBuffer0.value = value;\n }\n set depthPacking0(value) {\n this.defines.DEPTH_PACKING_0 = value.toFixed(0);\n this.needsUpdate = true;\n }\n setDepthBuffer0(buffer, depthPacking = BasicDepthPacking4) {\n this.depthBuffer0 = buffer;\n this.depthPacking0 = depthPacking;\n }\n set depthBuffer1(value) {\n this.uniforms.depthBuffer1.value = value;\n }\n set depthPacking1(value) {\n this.defines.DEPTH_PACKING_1 = value.toFixed(0);\n this.needsUpdate = true;\n }\n setDepthBuffer1(buffer, depthPacking = BasicDepthPacking4) {\n this.depthBuffer1 = buffer;\n this.depthPacking1 = depthPacking;\n }\n get maxDepthStrategy() {\n return Number(this.defines.DEPTH_TEST_STRATEGY);\n }\n set maxDepthStrategy(value) {\n this.defines.DEPTH_TEST_STRATEGY = value.toFixed(0);\n this.needsUpdate = true;\n }\n get keepFar() {\n return this.maxDepthStrategy;\n }\n set keepFar(value) {\n this.maxDepthStrategy = value ? DepthTestStrategy.KEEP_MAX_DEPTH : DepthTestStrategy.DISCARD_MAX_DEPTH;\n }\n getMaxDepthStrategy() {\n return this.maxDepthStrategy;\n }\n setMaxDepthStrategy(value) {\n this.maxDepthStrategy = value;\n }\n get epsilon() {\n return Number(this.defines.DEPTH_EPSILON);\n }\n set epsilon(value) {\n this.defines.DEPTH_EPSILON = value.toFixed(16);\n this.needsUpdate = true;\n }\n getEpsilon() {\n return this.epsilon;\n }\n setEpsilon(value) {\n this.epsilon = value;\n }\n get depthMode() {\n return Number(this.defines.DEPTH_MODE);\n }\n set depthMode(value) {\n let depthTest;\n switch (value) {\n case NeverDepth:\n depthTest = \"false\";\n break;\n case AlwaysDepth:\n depthTest = \"true\";\n break;\n case EqualDepth:\n depthTest = \"abs(d1 - d0) <= DEPTH_EPSILON\";\n break;\n case NotEqualDepth:\n depthTest = \"abs(d1 - d0) > DEPTH_EPSILON\";\n break;\n case LessDepth:\n depthTest = \"d0 > d1\";\n break;\n case LessEqualDepth:\n depthTest = \"d0 >= d1\";\n break;\n case GreaterEqualDepth:\n depthTest = \"d0 <= d1\";\n break;\n case GreaterDepth:\n default:\n depthTest = \"d0 < d1\";\n break;\n }\n this.defines.DEPTH_MODE = value.toFixed(0);\n this.defines[\"depthTest(d0, d1)\"] = depthTest;\n this.needsUpdate = true;\n }\n getDepthMode() {\n return this.depthMode;\n }\n setDepthMode(mode) {\n this.depthMode = mode;\n }\n adoptCameraSettings(camera) {\n this.copyCameraSettings(camera);\n }\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNearFar.value.set(camera.near, camera.far);\n if (camera instanceof PerspectiveCamera4) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n};\n\n// src/materials/DownsamplingMaterial.js\nimport { NoBlending as NoBlending11, ShaderMaterial as ShaderMaterial11, Uniform as Uniform11, Vector2 as Vector26 } from \"three\";\n\n// src/materials/glsl/convolution.downsampling.frag\nvar convolution_downsampling_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#define WEIGHT_INNER 0.125\\n#define WEIGHT_OUTER 0.0555555\\nvarying vec2 vUv;varying vec2 vUv00;varying vec2 vUv01;varying vec2 vUv02;varying vec2 vUv03;varying vec2 vUv04;varying vec2 vUv05;varying vec2 vUv06;varying vec2 vUv07;varying vec2 vUv08;varying vec2 vUv09;varying vec2 vUv10;varying vec2 vUv11;float clampToBorder(const in vec2 uv){return float(uv.s>=0.0&&uv.s<=1.0&&uv.t>=0.0&&uv.t<=1.0);}void main(){vec4 c=vec4(0.0);vec4 w=WEIGHT_INNER*vec4(clampToBorder(vUv00),clampToBorder(vUv01),clampToBorder(vUv02),clampToBorder(vUv03));c+=w.x*texture2D(inputBuffer,vUv00);c+=w.y*texture2D(inputBuffer,vUv01);c+=w.z*texture2D(inputBuffer,vUv02);c+=w.w*texture2D(inputBuffer,vUv03);w=WEIGHT_OUTER*vec4(clampToBorder(vUv04),clampToBorder(vUv05),clampToBorder(vUv06),clampToBorder(vUv07));c+=w.x*texture2D(inputBuffer,vUv04);c+=w.y*texture2D(inputBuffer,vUv05);c+=w.z*texture2D(inputBuffer,vUv06);c+=w.w*texture2D(inputBuffer,vUv07);w=WEIGHT_OUTER*vec4(clampToBorder(vUv08),clampToBorder(vUv09),clampToBorder(vUv10),clampToBorder(vUv11));c+=w.x*texture2D(inputBuffer,vUv08);c+=w.y*texture2D(inputBuffer,vUv09);c+=w.z*texture2D(inputBuffer,vUv10);c+=w.w*texture2D(inputBuffer,vUv11);c+=WEIGHT_OUTER*texture2D(inputBuffer,vUv);gl_FragColor=c;\\n#include \\n}\";\n\n// src/materials/glsl/convolution.downsampling.vert\nvar convolution_downsampling_default2 = \"uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv00;varying vec2 vUv01;varying vec2 vUv02;varying vec2 vUv03;varying vec2 vUv04;varying vec2 vUv05;varying vec2 vUv06;varying vec2 vUv07;varying vec2 vUv08;varying vec2 vUv09;varying vec2 vUv10;varying vec2 vUv11;void main(){vUv=position.xy*0.5+0.5;vUv00=vUv+texelSize*vec2(-1.0,1.0);vUv01=vUv+texelSize*vec2(1.0,1.0);vUv02=vUv+texelSize*vec2(-1.0,-1.0);vUv03=vUv+texelSize*vec2(1.0,-1.0);vUv04=vUv+texelSize*vec2(-2.0,2.0);vUv05=vUv+texelSize*vec2(0.0,2.0);vUv06=vUv+texelSize*vec2(2.0,2.0);vUv07=vUv+texelSize*vec2(-2.0,0.0);vUv08=vUv+texelSize*vec2(2.0,0.0);vUv09=vUv+texelSize*vec2(-2.0,-2.0);vUv10=vUv+texelSize*vec2(0.0,-2.0);vUv11=vUv+texelSize*vec2(2.0,-2.0);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/DownsamplingMaterial.js\nvar DownsamplingMaterial = class extends ShaderMaterial11 {\n constructor() {\n super({\n name: \"DownsamplingMaterial\",\n uniforms: {\n inputBuffer: new Uniform11(null),\n texelSize: new Uniform11(new Vector26())\n },\n blending: NoBlending11,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_downsampling_default,\n vertexShader: convolution_downsampling_default2\n });\n this.toneMapped = false;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/EdgeDetectionMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking5, NoBlending as NoBlending12, REVISION as REVISION3, ShaderMaterial as ShaderMaterial12, Uniform as Uniform12, Vector2 as Vector27 } from \"three\";\n\n// src/materials/glsl/edge-detection.frag\nvar edge_detection_default = \"varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;\\n#if THREE_REVISION < 143\\n#define luminance(v) linearToRelativeLuminance(v)\\n#endif\\n#if EDGE_DETECTION_MODE != 0\\nvarying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;\\n#endif\\n#if EDGE_DETECTION_MODE == 1\\n#include \\n#endif\\n#if EDGE_DETECTION_MODE == 0 || PREDICATION_MODE == 1\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}vec3 gatherNeighbors(){float p=readDepth(vUv);float pLeft=readDepth(vUv0);float pTop=readDepth(vUv1);return vec3(p,pLeft,pTop);}\\n#elif PREDICATION_MODE == 2\\nuniform sampler2D predicationBuffer;vec3 gatherNeighbors(){float p=texture2D(predicationBuffer,vUv).r;float pLeft=texture2D(predicationBuffer,vUv0).r;float pTop=texture2D(predicationBuffer,vUv1).r;return vec3(p,pLeft,pTop);}\\n#endif\\n#if PREDICATION_MODE != 0\\nvec2 calculatePredicatedThreshold(){vec3 neighbours=gatherNeighbors();vec2 delta=abs(neighbours.xx-neighbours.yz);vec2 edges=step(PREDICATION_THRESHOLD,delta);return PREDICATION_SCALE*EDGE_THRESHOLD*(1.0-PREDICATION_STRENGTH*edges);}\\n#endif\\n#if EDGE_DETECTION_MODE != 0\\nuniform sampler2D inputBuffer;\\n#endif\\nvoid main(){\\n#if EDGE_DETECTION_MODE == 0\\nconst vec2 threshold=vec2(DEPTH_THRESHOLD);\\n#elif PREDICATION_MODE != 0\\nvec2 threshold=calculatePredicatedThreshold();\\n#else\\nconst vec2 threshold=vec2(EDGE_THRESHOLD);\\n#endif\\n#if EDGE_DETECTION_MODE == 0\\nvec3 neighbors=gatherNeighbors();vec2 delta=abs(neighbors.xx-vec2(neighbors.y,neighbors.z));vec2 edges=step(threshold,delta);if(dot(edges,vec2(1.0))==0.0){discard;}gl_FragColor=vec4(edges,0.0,1.0);\\n#elif EDGE_DETECTION_MODE == 1\\nfloat l=luminance(texture2D(inputBuffer,vUv).rgb);float lLeft=luminance(texture2D(inputBuffer,vUv0).rgb);float lTop=luminance(texture2D(inputBuffer,vUv1).rgb);vec4 delta;delta.xy=abs(l-vec2(lLeft,lTop));vec2 edges=step(threshold,delta.xy);if(dot(edges,vec2(1.0))==0.0){discard;}float lRight=luminance(texture2D(inputBuffer,vUv2).rgb);float lBottom=luminance(texture2D(inputBuffer,vUv3).rgb);delta.zw=abs(l-vec2(lRight,lBottom));vec2 maxDelta=max(delta.xy,delta.zw);float lLeftLeft=luminance(texture2D(inputBuffer,vUv4).rgb);float lTopTop=luminance(texture2D(inputBuffer,vUv5).rgb);delta.zw=abs(vec2(lLeft,lTop)-vec2(lLeftLeft,lTopTop));maxDelta=max(maxDelta.xy,delta.zw);float finalDelta=max(maxDelta.x,maxDelta.y);edges.xy*=step(finalDelta,LOCAL_CONTRAST_ADAPTATION_FACTOR*delta.xy);gl_FragColor=vec4(edges,0.0,1.0);\\n#elif EDGE_DETECTION_MODE == 2\\nvec4 delta;vec3 c=texture2D(inputBuffer,vUv).rgb;vec3 cLeft=texture2D(inputBuffer,vUv0).rgb;vec3 t=abs(c-cLeft);delta.x=max(max(t.r,t.g),t.b);vec3 cTop=texture2D(inputBuffer,vUv1).rgb;t=abs(c-cTop);delta.y=max(max(t.r,t.g),t.b);vec2 edges=step(threshold,delta.xy);if(dot(edges,vec2(1.0))==0.0){discard;}vec3 cRight=texture2D(inputBuffer,vUv2).rgb;t=abs(c-cRight);delta.z=max(max(t.r,t.g),t.b);vec3 cBottom=texture2D(inputBuffer,vUv3).rgb;t=abs(c-cBottom);delta.w=max(max(t.r,t.g),t.b);vec2 maxDelta=max(delta.xy,delta.zw);vec3 cLeftLeft=texture2D(inputBuffer,vUv4).rgb;t=abs(c-cLeftLeft);delta.z=max(max(t.r,t.g),t.b);vec3 cTopTop=texture2D(inputBuffer,vUv5).rgb;t=abs(c-cTopTop);delta.w=max(max(t.r,t.g),t.b);maxDelta=max(maxDelta.xy,delta.zw);float finalDelta=max(maxDelta.x,maxDelta.y);edges*=step(finalDelta,LOCAL_CONTRAST_ADAPTATION_FACTOR*delta.xy);gl_FragColor=vec4(edges,0.0,1.0);\\n#endif\\n}\";\n\n// src/materials/glsl/edge-detection.vert\nvar edge_detection_default2 = \"uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;\\n#if EDGE_DETECTION_MODE != 0\\nvarying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;\\n#endif\\nvoid main(){vUv=position.xy*0.5+0.5;vUv0=vUv+texelSize*vec2(-1.0,0.0);vUv1=vUv+texelSize*vec2(0.0,-1.0);\\n#if EDGE_DETECTION_MODE != 0\\nvUv2=vUv+texelSize*vec2(1.0,0.0);vUv3=vUv+texelSize*vec2(0.0,1.0);vUv4=vUv+texelSize*vec2(-2.0,0.0);vUv5=vUv+texelSize*vec2(0.0,-2.0);\\n#endif\\ngl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/EdgeDetectionMaterial.js\nvar EdgeDetectionMaterial = class extends ShaderMaterial12 {\n constructor(texelSize = new Vector27(), mode = EdgeDetectionMode.COLOR) {\n super({\n name: \"EdgeDetectionMaterial\",\n defines: {\n THREE_REVISION: REVISION3.replace(/\\D+/g, \"\"),\n LOCAL_CONTRAST_ADAPTATION_FACTOR: \"2.0\",\n EDGE_THRESHOLD: \"0.1\",\n DEPTH_THRESHOLD: \"0.01\",\n PREDICATION_MODE: \"0\",\n PREDICATION_THRESHOLD: \"0.01\",\n PREDICATION_SCALE: \"2.0\",\n PREDICATION_STRENGTH: \"1.0\",\n DEPTH_PACKING: \"0\"\n },\n uniforms: {\n inputBuffer: new Uniform12(null),\n depthBuffer: new Uniform12(null),\n predicationBuffer: new Uniform12(null),\n texelSize: new Uniform12(texelSize)\n },\n blending: NoBlending12,\n depthWrite: false,\n depthTest: false,\n fragmentShader: edge_detection_default,\n vertexShader: edge_detection_default2\n });\n this.toneMapped = false;\n this.edgeDetectionMode = mode;\n }\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n setDepthBuffer(buffer, depthPacking = BasicDepthPacking5) {\n this.depthBuffer = buffer;\n this.depthPacking = depthPacking;\n }\n get edgeDetectionMode() {\n return Number(this.defines.EDGE_DETECTION_MODE);\n }\n set edgeDetectionMode(value) {\n this.defines.EDGE_DETECTION_MODE = value.toFixed(0);\n this.needsUpdate = true;\n }\n getEdgeDetectionMode() {\n return this.edgeDetectionMode;\n }\n setEdgeDetectionMode(value) {\n this.edgeDetectionMode = value;\n }\n get localContrastAdaptationFactor() {\n return Number(this.defines.LOCAL_CONTRAST_ADAPTATION_FACTOR);\n }\n set localContrastAdaptationFactor(value) {\n this.defines.LOCAL_CONTRAST_ADAPTATION_FACTOR = value.toFixed(\"6\");\n this.needsUpdate = true;\n }\n getLocalContrastAdaptationFactor() {\n return this.localContrastAdaptationFactor;\n }\n setLocalContrastAdaptationFactor(value) {\n this.localContrastAdaptationFactor = value;\n }\n get edgeDetectionThreshold() {\n return Number(this.defines.EDGE_THRESHOLD);\n }\n set edgeDetectionThreshold(value) {\n this.defines.EDGE_THRESHOLD = value.toFixed(\"6\");\n this.defines.DEPTH_THRESHOLD = (value * 0.1).toFixed(\"6\");\n this.needsUpdate = true;\n }\n getEdgeDetectionThreshold() {\n return this.edgeDetectionThreshold;\n }\n setEdgeDetectionThreshold(value) {\n this.edgeDetectionThreshold = value;\n }\n get predicationMode() {\n return Number(this.defines.PREDICATION_MODE);\n }\n set predicationMode(value) {\n this.defines.PREDICATION_MODE = value.toFixed(0);\n this.needsUpdate = true;\n }\n getPredicationMode() {\n return this.predicationMode;\n }\n setPredicationMode(value) {\n this.predicationMode = value;\n }\n set predicationBuffer(value) {\n this.uniforms.predicationBuffer.value = value;\n }\n setPredicationBuffer(value) {\n this.uniforms.predicationBuffer.value = value;\n }\n get predicationThreshold() {\n return Number(this.defines.PREDICATION_THRESHOLD);\n }\n set predicationThreshold(value) {\n this.defines.PREDICATION_THRESHOLD = value.toFixed(\"6\");\n this.needsUpdate = true;\n }\n getPredicationThreshold() {\n return this.predicationThreshold;\n }\n setPredicationThreshold(value) {\n this.predicationThreshold = value;\n }\n get predicationScale() {\n return Number(this.defines.PREDICATION_SCALE);\n }\n set predicationScale(value) {\n this.defines.PREDICATION_SCALE = value.toFixed(\"6\");\n this.needsUpdate = true;\n }\n getPredicationScale() {\n return this.predicationScale;\n }\n setPredicationScale(value) {\n this.predicationScale = value;\n }\n get predicationStrength() {\n return Number(this.defines.PREDICATION_STRENGTH);\n }\n set predicationStrength(value) {\n this.defines.PREDICATION_STRENGTH = value.toFixed(\"6\");\n this.needsUpdate = true;\n }\n getPredicationStrength() {\n return this.predicationStrength;\n }\n setPredicationStrength(value) {\n this.predicationStrength = value;\n }\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/EffectMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking6, NoBlending as NoBlending13, PerspectiveCamera as PerspectiveCamera5, REVISION as REVISION4, ShaderMaterial as ShaderMaterial13, Uniform as Uniform13, Vector2 as Vector28 } from \"three\";\n\n// src/materials/glsl/effect.frag\nvar effect_default = \"#include \\n#include \\n#include \\n#define packFloatToRGBA(v) packDepthToRGBA(v)\\n#define unpackRGBAToFloat(v) unpackRGBAToDepth(v)\\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#if DEPTH_PACKING == 3201\\nuniform lowp sampler2D depthBuffer;\\n#elif defined(GL_FRAGMENT_PRECISION_HIGH)\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nuniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv;\\n#if THREE_REVISION < 143\\n#define luminance(v) linearToRelativeLuminance(v)\\n#endif\\n#if THREE_REVISION >= 137\\nvec4 sRGBToLinear(const in vec4 value){return vec4(mix(pow(value.rgb*0.9478672986+vec3(0.0521327014),vec3(2.4)),value.rgb*0.0773993808,vec3(lessThanEqual(value.rgb,vec3(0.04045)))),value.a);}\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}float getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNear,cameraFar);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNear,cameraFar);\\n#endif\\n}vec3 RGBToHCV(const in vec3 RGB){vec4 P=mix(vec4(RGB.bg,-1.0,2.0/3.0),vec4(RGB.gb,0.0,-1.0/3.0),step(RGB.b,RGB.g));vec4 Q=mix(vec4(P.xyw,RGB.r),vec4(RGB.r,P.yzx),step(P.x,RGB.r));float C=Q.x-min(Q.w,Q.y);float H=abs((Q.w-Q.y)/(6.0*C+EPSILON)+Q.z);return vec3(H,C,Q.x);}vec3 RGBToHSL(const in vec3 RGB){vec3 HCV=RGBToHCV(RGB);float L=HCV.z-HCV.y*0.5;float S=HCV.y/(1.0-abs(L*2.0-1.0)+EPSILON);return vec3(HCV.x,S,L);}vec3 HueToRGB(const in float H){float R=abs(H*6.0-3.0)-1.0;float G=2.0-abs(H*6.0-2.0);float B=2.0-abs(H*6.0-4.0);return clamp(vec3(R,G,B),0.0,1.0);}vec3 HSLToRGB(const in vec3 HSL){vec3 RGB=HueToRGB(HSL.x);float C=(1.0-abs(2.0*HSL.z-1.0))*HSL.y;return(RGB-0.5)*C+HSL.z;}FRAGMENT_HEADvoid main(){FRAGMENT_MAIN_UVvec4 color0=texture2D(inputBuffer,UV);vec4 color1=vec4(0.0);FRAGMENT_MAIN_IMAGEgl_FragColor=color0;\\n#ifdef ENCODE_OUTPUT\\n#include \\n#endif\\n#include \\n}\";\n\n// src/materials/glsl/effect.vert\nvar effect_default2 = \"uniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv;VERTEX_HEADvoid main(){vUv=position.xy*0.5+0.5;VERTEX_MAIN_SUPPORTgl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/EffectMaterial.js\nvar EffectMaterial = class extends ShaderMaterial13 {\n constructor(shaderParts, defines, uniforms, camera, dithering = false) {\n super({\n name: \"EffectMaterial\",\n defines: {\n THREE_REVISION: REVISION4.replace(/\\D+/g, \"\"),\n DEPTH_PACKING: \"0\",\n ENCODE_OUTPUT: \"1\"\n },\n uniforms: {\n inputBuffer: new Uniform13(null),\n depthBuffer: new Uniform13(null),\n resolution: new Uniform13(new Vector28()),\n texelSize: new Uniform13(new Vector28()),\n cameraNear: new Uniform13(0.3),\n cameraFar: new Uniform13(1e3),\n aspect: new Uniform13(1),\n time: new Uniform13(0)\n },\n blending: NoBlending13,\n depthWrite: false,\n depthTest: false,\n dithering\n });\n this.toneMapped = false;\n if (shaderParts) {\n this.setShaderParts(shaderParts);\n }\n if (defines) {\n this.setDefines(defines);\n }\n if (uniforms) {\n this.setUniforms(uniforms);\n }\n this.copyCameraSettings(camera);\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n get depthBuffer() {\n return this.uniforms.depthBuffer.value;\n }\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n get depthPacking() {\n return Number(this.defines.DEPTH_PACKING);\n }\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n setDepthBuffer(buffer, depthPacking = BasicDepthPacking6) {\n this.depthBuffer = buffer;\n this.depthPacking = depthPacking;\n }\n setShaderData(data) {\n this.setShaderParts(data.shaderParts);\n this.setDefines(data.defines);\n this.setUniforms(data.uniforms);\n this.setExtensions(data.extensions);\n }\n setShaderParts(shaderParts) {\n var _a, _b, _c, _d, _e;\n this.fragmentShader = effect_default.replace(EffectShaderSection.FRAGMENT_HEAD, (_a = shaderParts.get(EffectShaderSection.FRAGMENT_HEAD)) != null ? _a : \"\").replace(EffectShaderSection.FRAGMENT_MAIN_UV, (_b = shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_UV)) != null ? _b : \"\").replace(EffectShaderSection.FRAGMENT_MAIN_IMAGE, (_c = shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_IMAGE)) != null ? _c : \"\");\n this.vertexShader = effect_default2.replace(EffectShaderSection.VERTEX_HEAD, (_d = shaderParts.get(EffectShaderSection.VERTEX_HEAD)) != null ? _d : \"\").replace(EffectShaderSection.VERTEX_MAIN_SUPPORT, (_e = shaderParts.get(EffectShaderSection.VERTEX_MAIN_SUPPORT)) != null ? _e : \"\");\n this.needsUpdate = true;\n return this;\n }\n setDefines(defines) {\n for (const entry of defines.entries()) {\n this.defines[entry[0]] = entry[1];\n }\n this.needsUpdate = true;\n return this;\n }\n setUniforms(uniforms) {\n for (const entry of uniforms.entries()) {\n this.uniforms[entry[0]] = entry[1];\n }\n return this;\n }\n setExtensions(extensions) {\n this.extensions = {};\n for (const extension of extensions) {\n this.extensions[extension] = true;\n }\n return this;\n }\n get encodeOutput() {\n return this.defines.ENCODE_OUTPUT !== void 0;\n }\n set encodeOutput(value) {\n if (this.encodeOutput !== value) {\n if (value) {\n this.defines.ENCODE_OUTPUT = \"1\";\n } else {\n delete this.defines.ENCODE_OUTPUT;\n }\n this.needsUpdate = true;\n }\n }\n isOutputEncodingEnabled(value) {\n return this.encodeOutput;\n }\n setOutputEncodingEnabled(value) {\n this.encodeOutput = value;\n }\n get time() {\n return this.uniforms.time.value;\n }\n set time(value) {\n this.uniforms.time.value = value;\n }\n setDeltaTime(value) {\n this.uniforms.time.value += value;\n }\n adoptCameraSettings(camera) {\n this.copyCameraSettings(camera);\n }\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNear.value = camera.near;\n this.uniforms.cameraFar.value = camera.far;\n if (camera instanceof PerspectiveCamera5) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n setSize(width, height) {\n const uniforms = this.uniforms;\n uniforms.resolution.value.set(width, height);\n uniforms.texelSize.value.set(1 / width, 1 / height);\n uniforms.aspect.value = width / height;\n }\n static get Section() {\n return EffectShaderSection;\n }\n};\n\n// src/materials/GaussianBlurMaterial.js\nimport { NoBlending as NoBlending14, ShaderMaterial as ShaderMaterial14, Uniform as Uniform14, Vector2 as Vector29 } from \"three\";\n\n// src/materials/glsl/convolution.gaussian.frag\nvar convolution_gaussian_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform vec2 kernel[STEPS];varying vec2 vOffset;varying vec2 vUv;void main(){vec4 result=texture2D(inputBuffer,vUv)*kernel[0].y;for(int i=1;i\\n}\";\n\n// src/materials/glsl/convolution.gaussian.vert\nvar convolution_gaussian_default2 = \"uniform vec2 texelSize;uniform vec2 direction;uniform float scale;varying vec2 vOffset;varying vec2 vUv;void main(){vOffset=direction*texelSize*scale;vUv=position.xy*0.5+0.5;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/GaussianBlurMaterial.js\nvar GaussianBlurMaterial = class extends ShaderMaterial14 {\n constructor({ kernelSize = 35 } = {}) {\n super({\n name: \"GaussianBlurMaterial\",\n uniforms: {\n inputBuffer: new Uniform14(null),\n texelSize: new Uniform14(new Vector29()),\n direction: new Uniform14(new Vector29()),\n kernel: new Uniform14(null),\n scale: new Uniform14(1)\n },\n blending: NoBlending14,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_gaussian_default,\n vertexShader: convolution_gaussian_default2\n });\n this.toneMapped = false;\n this._kernelSize = 0;\n this.kernelSize = kernelSize;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n get kernelSize() {\n return this._kernelSize;\n }\n set kernelSize(value) {\n this._kernelSize = value;\n this.generateKernel(value);\n }\n get direction() {\n return this.uniforms.direction.value;\n }\n get scale() {\n return this.uniforms.scale.value;\n }\n set scale(value) {\n this.uniforms.scale.value = value;\n }\n generateKernel(kernelSize) {\n const kernel = new GaussKernel(kernelSize);\n const steps = kernel.linearSteps;\n const kernelData = new Float64Array(steps * 2);\n for (let i = 0, j = 0; i < steps; ++i) {\n kernelData[j++] = kernel.linearOffsets[i];\n kernelData[j++] = kernel.linearWeights[i];\n }\n this.uniforms.kernel.value = kernelData;\n this.defines.STEPS = steps.toFixed(0);\n this.needsUpdate = true;\n }\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/GodRaysMaterial.js\nimport { NoBlending as NoBlending15, ShaderMaterial as ShaderMaterial15, Uniform as Uniform15 } from \"three\";\n\n// src/materials/glsl/convolution.god-rays.frag\nvar convolution_god_rays_default = \"#include \\n#include \\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform vec2 lightPosition;uniform float exposure;uniform float decay;uniform float density;uniform float weight;uniform float clampMax;varying vec2 vUv;void main(){vec2 coord=vUv;vec2 delta=lightPosition-coord;delta*=1.0/SAMPLES_FLOAT*density;float illuminationDecay=1.0;vec4 color=vec4(0.0);for(int i=0;i\\n}\";\n\n// src/materials/GodRaysMaterial.js\nvar GodRaysMaterial = class extends ShaderMaterial15 {\n constructor(lightPosition) {\n super({\n name: \"GodRaysMaterial\",\n defines: {\n SAMPLES_INT: \"60\",\n SAMPLES_FLOAT: \"60.0\"\n },\n uniforms: {\n inputBuffer: new Uniform15(null),\n lightPosition: new Uniform15(lightPosition),\n density: new Uniform15(1),\n decay: new Uniform15(1),\n weight: new Uniform15(1),\n exposure: new Uniform15(1),\n clampMax: new Uniform15(1)\n },\n blending: NoBlending15,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_god_rays_default,\n vertexShader: common_default\n });\n this.toneMapped = false;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n get lightPosition() {\n return this.uniforms.lightPosition.value;\n }\n getLightPosition() {\n return this.uniforms.lightPosition.value;\n }\n setLightPosition(value) {\n this.uniforms.lightPosition.value = value;\n }\n get density() {\n return this.uniforms.density.value;\n }\n set density(value) {\n this.uniforms.density.value = value;\n }\n getDensity() {\n return this.uniforms.density.value;\n }\n setDensity(value) {\n this.uniforms.density.value = value;\n }\n get decay() {\n return this.uniforms.decay.value;\n }\n set decay(value) {\n this.uniforms.decay.value = value;\n }\n getDecay() {\n return this.uniforms.decay.value;\n }\n setDecay(value) {\n this.uniforms.decay.value = value;\n }\n get weight() {\n return this.uniforms.weight.value;\n }\n set weight(value) {\n this.uniforms.weight.value = value;\n }\n getWeight() {\n return this.uniforms.weight.value;\n }\n setWeight(value) {\n this.uniforms.weight.value = value;\n }\n get exposure() {\n return this.uniforms.exposure.value;\n }\n set exposure(value) {\n this.uniforms.exposure.value = value;\n }\n getExposure() {\n return this.uniforms.exposure.value;\n }\n setExposure(value) {\n this.uniforms.exposure.value = value;\n }\n get maxIntensity() {\n return this.uniforms.clampMax.value;\n }\n set maxIntensity(value) {\n this.uniforms.clampMax.value = value;\n }\n getMaxIntensity() {\n return this.uniforms.clampMax.value;\n }\n setMaxIntensity(value) {\n this.uniforms.clampMax.value = value;\n }\n get samples() {\n return Number(this.defines.SAMPLES_INT);\n }\n set samples(value) {\n const s = Math.floor(value);\n this.defines.SAMPLES_INT = s.toFixed(0);\n this.defines.SAMPLES_FLOAT = s.toFixed(1);\n this.needsUpdate = true;\n }\n getSamples() {\n return this.samples;\n }\n setSamples(value) {\n this.samples = value;\n }\n};\n\n// src/materials/LuminanceMaterial.js\nimport { NoBlending as NoBlending16, REVISION as REVISION5, ShaderMaterial as ShaderMaterial16, Uniform as Uniform16 } from \"three\";\n\n// src/materials/glsl/luminance.frag\nvar luminance_default = \"#include \\n#if THREE_REVISION < 143\\n#define luminance(v) linearToRelativeLuminance(v)\\n#endif\\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#ifdef RANGE\\nuniform vec2 range;\\n#elif defined(THRESHOLD)\\nuniform float threshold;uniform float smoothing;\\n#endif\\nvarying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);float l=luminance(texel.rgb);\\n#ifdef RANGE\\nfloat low=step(range.x,l);float high=step(l,range.y);l*=low*high;\\n#elif defined(THRESHOLD)\\nl=smoothstep(threshold,threshold+smoothing,l);\\n#endif\\n#ifdef COLOR\\ngl_FragColor=vec4(texel.rgb*l,l);\\n#else\\ngl_FragColor=vec4(l);\\n#endif\\n}\";\n\n// src/materials/LuminanceMaterial.js\nvar LuminanceMaterial = class extends ShaderMaterial16 {\n constructor(colorOutput = false, luminanceRange = null) {\n super({\n name: \"LuminanceMaterial\",\n defines: {\n THREE_REVISION: REVISION5.replace(/\\D+/g, \"\")\n },\n uniforms: {\n inputBuffer: new Uniform16(null),\n threshold: new Uniform16(0),\n smoothing: new Uniform16(1),\n range: new Uniform16(null)\n },\n blending: NoBlending16,\n depthWrite: false,\n depthTest: false,\n fragmentShader: luminance_default,\n vertexShader: common_default\n });\n this.toneMapped = false;\n this.colorOutput = colorOutput;\n this.luminanceRange = luminanceRange;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n get threshold() {\n return this.uniforms.threshold.value;\n }\n set threshold(value) {\n if (this.smoothing > 0 || value > 0) {\n this.defines.THRESHOLD = \"1\";\n } else {\n delete this.defines.THRESHOLD;\n }\n this.uniforms.threshold.value = value;\n }\n getThreshold() {\n return this.threshold;\n }\n setThreshold(value) {\n this.threshold = value;\n }\n get smoothing() {\n return this.uniforms.smoothing.value;\n }\n set smoothing(value) {\n if (this.threshold > 0 || value > 0) {\n this.defines.THRESHOLD = \"1\";\n } else {\n delete this.defines.THRESHOLD;\n }\n this.uniforms.smoothing.value = value;\n }\n getSmoothingFactor() {\n return this.smoothing;\n }\n setSmoothingFactor(value) {\n this.smoothing = value;\n }\n get useThreshold() {\n return this.threshold > 0 || this.smoothing > 0;\n }\n set useThreshold(value) {\n }\n get colorOutput() {\n return this.defines.COLOR !== void 0;\n }\n set colorOutput(value) {\n if (value) {\n this.defines.COLOR = \"1\";\n } else {\n delete this.defines.COLOR;\n }\n this.needsUpdate = true;\n }\n isColorOutputEnabled(value) {\n return this.colorOutput;\n }\n setColorOutputEnabled(value) {\n this.colorOutput = value;\n }\n get useRange() {\n return this.luminanceRange !== null;\n }\n set useRange(value) {\n this.luminanceRange = null;\n }\n get luminanceRange() {\n return this.uniforms.range.value;\n }\n set luminanceRange(value) {\n if (value !== null) {\n this.defines.RANGE = \"1\";\n } else {\n delete this.defines.RANGE;\n }\n this.uniforms.range.value = value;\n this.needsUpdate = true;\n }\n getLuminanceRange() {\n return this.luminanceRange;\n }\n setLuminanceRange(value) {\n this.luminanceRange = value;\n }\n};\n\n// src/materials/MaskMaterial.js\nimport { NoBlending as NoBlending17, ShaderMaterial as ShaderMaterial17, Uniform as Uniform17, UnsignedByteType as UnsignedByteType2 } from \"three\";\n\n// src/materials/glsl/mask.frag\nvar mask_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#ifdef MASK_PRECISION_HIGH\\nuniform mediump sampler2D maskTexture;\\n#else\\nuniform lowp sampler2D maskTexture;\\n#endif\\n#if MASK_FUNCTION != 0\\nuniform float strength;\\n#endif\\nvarying vec2 vUv;void main(){\\n#if COLOR_CHANNEL == 0\\nfloat mask=texture2D(maskTexture,vUv).r;\\n#elif COLOR_CHANNEL == 1\\nfloat mask=texture2D(maskTexture,vUv).g;\\n#elif COLOR_CHANNEL == 2\\nfloat mask=texture2D(maskTexture,vUv).b;\\n#else\\nfloat mask=texture2D(maskTexture,vUv).a;\\n#endif\\n#if MASK_FUNCTION == 0\\n#ifdef INVERTED\\nmask=step(mask,0.0);\\n#else\\nmask=1.0-step(mask,0.0);\\n#endif\\n#else\\nmask=clamp(mask*strength,0.0,1.0);\\n#ifdef INVERTED\\nmask=1.0-mask;\\n#endif\\n#endif\\n#if MASK_FUNCTION == 2\\ngl_FragColor=vec4(mask*texture2D(inputBuffer,vUv).rgb,mask);\\n#else\\ngl_FragColor=mask*texture2D(inputBuffer,vUv);\\n#endif\\n}\";\n\n// src/materials/MaskMaterial.js\nvar MaskMaterial = class extends ShaderMaterial17 {\n constructor(maskTexture = null) {\n super({\n name: \"MaskMaterial\",\n uniforms: {\n maskTexture: new Uniform17(maskTexture),\n inputBuffer: new Uniform17(null),\n strength: new Uniform17(1)\n },\n blending: NoBlending17,\n depthWrite: false,\n depthTest: false,\n fragmentShader: mask_default,\n vertexShader: common_default\n });\n this.toneMapped = false;\n this.setColorChannel(ColorChannel.RED);\n this.setMaskFunction(MaskFunction.DISCARD);\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n set maskTexture(value) {\n this.uniforms.maskTexture.value = value;\n delete this.defines.MASK_PRECISION_HIGH;\n if (value.type !== UnsignedByteType2) {\n this.defines.MASK_PRECISION_HIGH = \"1\";\n }\n this.needsUpdate = true;\n }\n setMaskTexture(value) {\n this.maskTexture = value;\n }\n set colorChannel(value) {\n this.defines.COLOR_CHANNEL = value.toFixed(0);\n this.needsUpdate = true;\n }\n setColorChannel(value) {\n this.colorChannel = value;\n }\n set maskFunction(value) {\n this.defines.MASK_FUNCTION = value.toFixed(0);\n this.needsUpdate = true;\n }\n setMaskFunction(value) {\n this.maskFunction = value;\n }\n get inverted() {\n return this.defines.INVERTED !== void 0;\n }\n set inverted(value) {\n if (this.inverted && !value) {\n delete this.defines.INVERTED;\n } else if (value) {\n this.defines.INVERTED = \"1\";\n }\n this.needsUpdate = true;\n }\n isInverted() {\n return this.inverted;\n }\n setInverted(value) {\n this.inverted = value;\n }\n get strength() {\n return this.uniforms.strength.value;\n }\n set strength(value) {\n this.uniforms.strength.value = value;\n }\n getStrength() {\n return this.strength;\n }\n setStrength(value) {\n this.strength = value;\n }\n};\n\n// src/materials/OutlineMaterial.js\nimport { NoBlending as NoBlending18, ShaderMaterial as ShaderMaterial18, Uniform as Uniform18, Vector2 as Vector210 } from \"three\";\n\n// src/materials/glsl/outline.frag\nvar outline_default = \"uniform lowp sampler2D inputBuffer;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 c0=texture2D(inputBuffer,vUv0).rg;vec2 c1=texture2D(inputBuffer,vUv1).rg;vec2 c2=texture2D(inputBuffer,vUv2).rg;vec2 c3=texture2D(inputBuffer,vUv3).rg;float d0=(c0.x-c1.x)*0.5;float d1=(c2.x-c3.x)*0.5;float d=length(vec2(d0,d1));float a0=min(c0.y,c1.y);float a1=min(c2.y,c3.y);float visibilityFactor=min(a0,a1);gl_FragColor.rg=(1.0-visibilityFactor>0.001)?vec2(d,0.0):vec2(0.0,d);}\";\n\n// src/materials/glsl/outline.vert\nvar outline_default2 = \"uniform vec2 texelSize;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 uv=position.xy*0.5+0.5;vUv0=vec2(uv.x+texelSize.x,uv.y);vUv1=vec2(uv.x-texelSize.x,uv.y);vUv2=vec2(uv.x,uv.y+texelSize.y);vUv3=vec2(uv.x,uv.y-texelSize.y);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/OutlineMaterial.js\nvar OutlineMaterial = class extends ShaderMaterial18 {\n constructor(texelSize = new Vector210()) {\n super({\n name: \"OutlineMaterial\",\n uniforms: {\n inputBuffer: new Uniform18(null),\n texelSize: new Uniform18(new Vector210())\n },\n blending: NoBlending18,\n depthWrite: false,\n depthTest: false,\n fragmentShader: outline_default,\n vertexShader: outline_default2\n });\n this.toneMapped = false;\n this.uniforms.texelSize.value.set(texelSize.x, texelSize.y);\n this.uniforms.maskTexture = this.uniforms.inputBuffer;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setTexelSize(x, y) {\n this.uniforms.texelSize.value.set(x, y);\n }\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/SMAAWeightsMaterial.js\nimport { NoBlending as NoBlending19, ShaderMaterial as ShaderMaterial19, Uniform as Uniform19, Vector2 as Vector211 } from \"three\";\n\n// src/materials/glsl/smaa-weights.frag\nvar smaa_weights_default = \"#define sampleLevelZeroOffset(t, coord, offset) texture2D(t, coord + offset * texelSize)\\n#if __VERSION__ < 300\\n#define round(v) floor(v + 0.5)\\n#endif\\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform lowp sampler2D areaTexture;uniform lowp sampler2D searchTexture;uniform vec2 texelSize;uniform vec2 resolution;varying vec2 vUv;varying vec4 vOffset[3];varying vec2 vPixCoord;void movec(const in bvec2 c,inout vec2 variable,const in vec2 value){if(c.x){variable.x=value.x;}if(c.y){variable.y=value.y;}}void movec(const in bvec4 c,inout vec4 variable,const in vec4 value){movec(c.xy,variable.xy,value.xy);movec(c.zw,variable.zw,value.zw);}vec2 decodeDiagBilinearAccess(in vec2 e){e.r=e.r*abs(5.0*e.r-5.0*0.75);return round(e);}vec4 decodeDiagBilinearAccess(in vec4 e){e.rb=e.rb*abs(5.0*e.rb-5.0*0.75);return round(e);}vec2 searchDiag1(const in vec2 texCoord,const in vec2 dir,out vec2 e){vec4 coord=vec4(texCoord,-1.0,1.0);vec3 t=vec3(texelSize,1.0);for(int i=0;i0.9)){break;}coord.xyz=t*vec3(dir,1.0)+coord.xyz;e=texture2D(inputBuffer,coord.xy).rg;coord.w=dot(e,vec2(0.5));}return coord.zw;}vec2 searchDiag2(const in vec2 texCoord,const in vec2 dir,out vec2 e){vec4 coord=vec4(texCoord,-1.0,1.0);coord.x+=0.25*texelSize.x;vec3 t=vec3(texelSize,1.0);for(int i=0;i0.9)){break;}coord.xyz=t*vec3(dir,1.0)+coord.xyz;e=texture2D(inputBuffer,coord.xy).rg;e=decodeDiagBilinearAccess(e);coord.w=dot(e,vec2(0.5));}return coord.zw;}vec2 areaDiag(const in vec2 dist,const in vec2 e,const in float offset){vec2 texCoord=vec2(AREATEX_MAX_DISTANCE_DIAG,AREATEX_MAX_DISTANCE_DIAG)*e+dist;texCoord=AREATEX_PIXEL_SIZE*texCoord+0.5*AREATEX_PIXEL_SIZE;texCoord.x+=0.5;texCoord.y+=AREATEX_SUBTEX_SIZE*offset;return texture2D(areaTexture,texCoord).rg;}vec2 calculateDiagWeights(const in vec2 texCoord,const in vec2 e,const in vec4 subsampleIndices){vec2 weights=vec2(0.0);vec4 d;vec2 end;if(e.r>0.0){d.xz=searchDiag1(texCoord,vec2(-1.0,1.0),end);d.x+=float(end.y>0.9);}else{d.xz=vec2(0.0);}d.yw=searchDiag1(texCoord,vec2(1.0,-1.0),end);if(d.x+d.y>2.0){vec4 coords=vec4(-d.x+0.25,d.x,d.y,-d.y-0.25)*texelSize.xyxy+texCoord.xyxy;vec4 c;c.xy=sampleLevelZeroOffset(inputBuffer,coords.xy,vec2(-1,0)).rg;c.zw=sampleLevelZeroOffset(inputBuffer,coords.zw,vec2(1,0)).rg;c.yxwz=decodeDiagBilinearAccess(c.xyzw);vec2 cc=vec2(2.0)*c.xz+c.yw;movec(bvec2(step(0.9,d.zw)),cc,vec2(0.0));weights+=areaDiag(d.xy,cc,subsampleIndices.z);}d.xz=searchDiag2(texCoord,vec2(-1.0,-1.0),end);if(sampleLevelZeroOffset(inputBuffer,texCoord,vec2(1,0)).r>0.0){d.yw=searchDiag2(texCoord,vec2(1.0),end);d.y+=float(end.y>0.9);}else{d.yw=vec2(0.0);}if(d.x+d.y>2.0){vec4 coords=vec4(-d.x,-d.x,d.y,d.y)*texelSize.xyxy+texCoord.xyxy;vec4 c;c.x=sampleLevelZeroOffset(inputBuffer,coords.xy,vec2(-1,0)).g;c.y=sampleLevelZeroOffset(inputBuffer,coords.xy,vec2(0,-1)).r;c.zw=sampleLevelZeroOffset(inputBuffer,coords.zw,vec2(1,0)).gr;vec2 cc=vec2(2.0)*c.xz+c.yw;movec(bvec2(step(0.9,d.zw)),cc,vec2(0.0));weights+=areaDiag(d.xy,cc,subsampleIndices.w).gr;}return weights;}float searchLength(const in vec2 e,const in float offset){vec2 scale=SEARCHTEX_SIZE*vec2(0.5,-1.0);vec2 bias=SEARCHTEX_SIZE*vec2(offset,1.0);scale+=vec2(-1.0,1.0);bias+=vec2(0.5,-0.5);scale*=1.0/SEARCHTEX_PACKED_SIZE;bias*=1.0/SEARCHTEX_PACKED_SIZE;return texture2D(searchTexture,scale*e+bias).r;}float searchXLeft(in vec2 texCoord,const in float end){vec2 e=vec2(0.0,1.0);for(int i=0;iend&&e.g>0.8281&&e.r==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=vec2(-2.0,0.0)*texelSize+texCoord;}float offset=-(255.0/127.0)*searchLength(e,0.0)+3.25;return texelSize.x*offset+texCoord.x;}float searchXRight(vec2 texCoord,const in float end){vec2 e=vec2(0.0,1.0);for(int i=0;i0.8281&&e.r==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=vec2(2.0,0.0)*texelSize.xy+texCoord;}float offset=-(255.0/127.0)*searchLength(e,0.5)+3.25;return-texelSize.x*offset+texCoord.x;}float searchYUp(vec2 texCoord,const in float end){vec2 e=vec2(1.0,0.0);for(int i=0;iend&&e.r>0.8281&&e.g==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=-vec2(0.0,2.0)*texelSize.xy+texCoord;}float offset=-(255.0/127.0)*searchLength(e.gr,0.0)+3.25;return texelSize.y*offset+texCoord.y;}float searchYDown(vec2 texCoord,const in float end){vec2 e=vec2(1.0,0.0);for(int i=0;i0.8281&&e.g==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=vec2(0.0,2.0)*texelSize.xy+texCoord;}float offset=-(255.0/127.0)*searchLength(e.gr,0.5)+3.25;return-texelSize.y*offset+texCoord.y;}vec2 area(const in vec2 dist,const in float e1,const in float e2,const in float offset){vec2 texCoord=vec2(AREATEX_MAX_DISTANCE)*round(4.0*vec2(e1,e2))+dist;texCoord=AREATEX_PIXEL_SIZE*texCoord+0.5*AREATEX_PIXEL_SIZE;texCoord.y=AREATEX_SUBTEX_SIZE*offset+texCoord.y;return texture2D(areaTexture,texCoord).rg;}void detectHorizontalCornerPattern(inout vec2 weights,const in vec4 texCoord,const in vec2 d){\\n#if !defined(DISABLE_CORNER_DETECTION)\\nvec2 leftRight=step(d.xy,d.yx);vec2 rounding=(1.0-CORNER_ROUNDING_NORM)*leftRight;rounding/=leftRight.x+leftRight.y;vec2 factor=vec2(1.0);factor.x-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(0,1)).r;factor.x-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(1,1)).r;factor.y-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(0,-2)).r;factor.y-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(1,-2)).r;weights*=clamp(factor,0.0,1.0);\\n#endif\\n}void detectVerticalCornerPattern(inout vec2 weights,const in vec4 texCoord,const in vec2 d){\\n#if !defined(DISABLE_CORNER_DETECTION)\\nvec2 leftRight=step(d.xy,d.yx);vec2 rounding=(1.0-CORNER_ROUNDING_NORM)*leftRight;rounding/=leftRight.x+leftRight.y;vec2 factor=vec2(1.0);factor.x-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(1,0)).g;factor.x-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(1,1)).g;factor.y-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(-2,0)).g;factor.y-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(-2,1)).g;weights*=clamp(factor,0.0,1.0);\\n#endif\\n}void main(){vec4 weights=vec4(0.0);vec4 subsampleIndices=vec4(0.0);vec2 e=texture2D(inputBuffer,vUv).rg;if(e.g>0.0){\\n#if !defined(DISABLE_DIAG_DETECTION)\\nweights.rg=calculateDiagWeights(vUv,e,subsampleIndices);if(weights.r==-weights.g){\\n#endif\\nvec2 d;vec3 coords;coords.x=searchXLeft(vOffset[0].xy,vOffset[2].x);coords.y=vOffset[1].y;d.x=coords.x;float e1=texture2D(inputBuffer,coords.xy).r;coords.z=searchXRight(vOffset[0].zw,vOffset[2].y);d.y=coords.z;d=round(resolution.xx*d+-vPixCoord.xx);vec2 sqrtD=sqrt(abs(d));float e2=sampleLevelZeroOffset(inputBuffer,coords.zy,vec2(1,0)).r;weights.rg=area(sqrtD,e1,e2,subsampleIndices.y);coords.y=vUv.y;detectHorizontalCornerPattern(weights.rg,coords.xyzy,d);\\n#if !defined(DISABLE_DIAG_DETECTION)\\n}else{e.r=0.0;}\\n#endif\\n}if(e.r>0.0){vec2 d;vec3 coords;coords.y=searchYUp(vOffset[1].xy,vOffset[2].z);coords.x=vOffset[0].x;d.x=coords.y;float e1=texture2D(inputBuffer,coords.xy).g;coords.z=searchYDown(vOffset[1].zw,vOffset[2].w);d.y=coords.z;d=round(resolution.yy*d-vPixCoord.yy);vec2 sqrtD=sqrt(abs(d));float e2=sampleLevelZeroOffset(inputBuffer,coords.xz,vec2(0,1)).g;weights.ba=area(sqrtD,e1,e2,subsampleIndices.x);coords.x=vUv.x;detectVerticalCornerPattern(weights.ba,coords.xyxz,d);}gl_FragColor=weights;}\";\n\n// src/materials/glsl/smaa-weights.vert\nvar smaa_weights_default2 = \"uniform vec2 texelSize;uniform vec2 resolution;varying vec2 vUv;varying vec4 vOffset[3];varying vec2 vPixCoord;void main(){vUv=position.xy*0.5+0.5;vPixCoord=vUv*resolution;vOffset[0]=vUv.xyxy+texelSize.xyxy*vec4(-0.25,-0.125,1.25,-0.125);vOffset[1]=vUv.xyxy+texelSize.xyxy*vec4(-0.125,-0.25,-0.125,1.25);vOffset[2]=vec4(vOffset[0].xz,vOffset[1].yw)+vec4(-2.0,2.0,-2.0,2.0)*texelSize.xxyy*MAX_SEARCH_STEPS_FLOAT;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/SMAAWeightsMaterial.js\nvar SMAAWeightsMaterial = class extends ShaderMaterial19 {\n constructor(texelSize = new Vector211(), resolution = new Vector211()) {\n super({\n name: \"SMAAWeightsMaterial\",\n defines: {\n MAX_SEARCH_STEPS_INT: \"16\",\n MAX_SEARCH_STEPS_FLOAT: \"16.0\",\n MAX_SEARCH_STEPS_DIAG_INT: \"8\",\n MAX_SEARCH_STEPS_DIAG_FLOAT: \"8.0\",\n CORNER_ROUNDING: \"25\",\n CORNER_ROUNDING_NORM: \"0.25\",\n AREATEX_MAX_DISTANCE: \"16.0\",\n AREATEX_MAX_DISTANCE_DIAG: \"20.0\",\n AREATEX_PIXEL_SIZE: \"(1.0 / vec2(160.0, 560.0))\",\n AREATEX_SUBTEX_SIZE: \"(1.0 / 7.0)\",\n SEARCHTEX_SIZE: \"vec2(66.0, 33.0)\",\n SEARCHTEX_PACKED_SIZE: \"vec2(64.0, 16.0)\"\n },\n uniforms: {\n inputBuffer: new Uniform19(null),\n searchTexture: new Uniform19(null),\n areaTexture: new Uniform19(null),\n resolution: new Uniform19(resolution),\n texelSize: new Uniform19(texelSize)\n },\n blending: NoBlending19,\n depthWrite: false,\n depthTest: false,\n fragmentShader: smaa_weights_default,\n vertexShader: smaa_weights_default2\n });\n this.toneMapped = false;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n get searchTexture() {\n return this.uniforms.searchTexture.value;\n }\n set searchTexture(value) {\n this.uniforms.searchTexture.value = value;\n }\n get areaTexture() {\n return this.uniforms.areaTexture.value;\n }\n set areaTexture(value) {\n this.uniforms.areaTexture.value = value;\n }\n setLookupTextures(search, area2) {\n this.searchTexture = search;\n this.areaTexture = area2;\n }\n get orthogonalSearchSteps() {\n return Number(this.defines.MAX_SEARCH_STEPS_INT);\n }\n set orthogonalSearchSteps(value) {\n const s = Math.min(Math.max(value, 0), 112);\n this.defines.MAX_SEARCH_STEPS_INT = s.toFixed(\"0\");\n this.defines.MAX_SEARCH_STEPS_FLOAT = s.toFixed(\"1\");\n this.needsUpdate = true;\n }\n setOrthogonalSearchSteps(value) {\n this.orthogonalSearchSteps = value;\n }\n get diagonalSearchSteps() {\n return Number(this.defines.MAX_SEARCH_STEPS_DIAG_INT);\n }\n set diagonalSearchSteps(value) {\n const s = Math.min(Math.max(value, 0), 20);\n this.defines.MAX_SEARCH_STEPS_DIAG_INT = s.toFixed(\"0\");\n this.defines.MAX_SEARCH_STEPS_DIAG_FLOAT = s.toFixed(\"1\");\n this.needsUpdate = true;\n }\n setDiagonalSearchSteps(value) {\n this.diagonalSearchSteps = value;\n }\n get diagonalDetection() {\n return this.defines.DISABLE_DIAG_DETECTION === void 0;\n }\n set diagonalDetection(value) {\n if (value) {\n delete this.defines.DISABLE_DIAG_DETECTION;\n } else {\n this.defines.DISABLE_DIAG_DETECTION = \"1\";\n }\n this.needsUpdate = true;\n }\n isDiagonalDetectionEnabled() {\n return this.diagonalDetection;\n }\n setDiagonalDetectionEnabled(value) {\n this.diagonalDetection = value;\n }\n get cornerRounding() {\n return Number(this.defines.CORNER_ROUNDING);\n }\n set cornerRounding(value) {\n const r = Math.min(Math.max(value, 0), 100);\n this.defines.CORNER_ROUNDING = r.toFixed(\"4\");\n this.defines.CORNER_ROUNDING_NORM = (r / 100).toFixed(\"4\");\n this.needsUpdate = true;\n }\n setCornerRounding(value) {\n this.cornerRounding = value;\n }\n get cornerDetection() {\n return this.defines.DISABLE_CORNER_DETECTION === void 0;\n }\n set cornerDetection(value) {\n if (value) {\n delete this.defines.DISABLE_CORNER_DETECTION;\n } else {\n this.defines.DISABLE_CORNER_DETECTION = \"1\";\n }\n this.needsUpdate = true;\n }\n isCornerRoundingEnabled() {\n return this.cornerDetection;\n }\n setCornerRoundingEnabled(value) {\n this.cornerDetection = value;\n }\n setSize(width, height) {\n const uniforms = this.uniforms;\n uniforms.texelSize.value.set(1 / width, 1 / height);\n uniforms.resolution.value.set(width, height);\n }\n};\n\n// src/materials/SSAOMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking7, Matrix4, NoBlending as NoBlending20, PerspectiveCamera as PerspectiveCamera6, ShaderMaterial as ShaderMaterial20, Uniform as Uniform20, Vector2 as Vector212 } from \"three\";\n\n// src/materials/glsl/ssao.frag\nvar ssao_default = \"#include \\n#include \\n#ifdef NORMAL_DEPTH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){return texture2D(normalDepthBuffer,uv).a;}\\n#else\\nuniform lowp sampler2D normalBuffer;\\n#if DEPTH_PACKING == 3201\\nuniform lowp sampler2D depthBuffer;\\n#elif defined(GL_FRAGMENT_PRECISION_HIGH)\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}\\n#endif\\nuniform lowp sampler2D noiseTexture;uniform mat4 inverseProjectionMatrix;uniform mat4 projectionMatrix;uniform vec2 texelSize;uniform vec2 cameraNearFar;uniform float intensity;uniform float minRadiusScale;uniform float fade;uniform float bias;uniform vec2 distanceCutoff;uniform vec2 proximityCutoff;varying vec2 vUv;varying vec2 vUv2;float getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#endif\\n}vec3 getViewPosition(const in vec2 screenPosition,const in float depth,const in float viewZ){vec4 clipPosition=vec4(vec3(screenPosition,depth)*2.0-1.0,1.0);float clipW=projectionMatrix[2][3]*viewZ+projectionMatrix[3][3];clipPosition*=clipW;return(inverseProjectionMatrix*clipPosition).xyz;}float getAmbientOcclusion(const in vec3 p,const in vec3 n,const in float depth,const in vec2 uv){float radiusScale=1.0-smoothstep(0.0,distanceCutoff.y,depth);radiusScale=radiusScale*(1.0-minRadiusScale)+minRadiusScale;float radius=RADIUS*radiusScale;float noise=texture2D(noiseTexture,vUv2).r;float baseAngle=noise*PI2;float rings=SPIRAL_TURNS*PI2;float occlusion=0.0;int taps=0;for(int i=0;i1.0||coords.t<0.0||coords.t>1.0){continue;}float sampleDepth=readDepth(coords);float viewZ=getViewZ(sampleDepth);\\n#ifdef PERSPECTIVE_CAMERA\\nfloat linearSampleDepth=viewZToOrthographicDepth(viewZ,cameraNearFar.x,cameraNearFar.y);\\n#else\\nfloat linearSampleDepth=sampleDepth;\\n#endif\\nfloat proximity=abs(depth-linearSampleDepth);if(proximity\\n}\";\n\n// src/materials/glsl/convolution.tilt-shift.vert\nvar convolution_tilt_shift_default2 = \"uniform vec4 texelSize;uniform float kernel;uniform float scale;uniform float aspect;uniform vec2 rotation;varying vec2 vUv;varying vec2 vUv2;varying vec2 vOffset;void main(){vec2 uv=position.xy*0.5+0.5;vUv=uv;vUv2=(uv-0.5)*2.0*vec2(aspect,1.0);vUv2=vec2(dot(rotation,vUv2),dot(rotation,vec2(vUv2.y,-vUv2.x)));vOffset=(texelSize.xy*vec2(kernel)+texelSize.zw)*scale;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/TiltShiftBlurMaterial.js\nvar TiltShiftBlurMaterial = class extends KawaseBlurMaterial {\n constructor({\n kernelSize = KernelSize.MEDIUM,\n offset = 0,\n rotation = 0,\n focusArea = 0.4,\n feather = 0.3\n } = {}) {\n super();\n this.fragmentShader = convolution_tilt_shift_default;\n this.vertexShader = convolution_tilt_shift_default2;\n this.kernelSize = kernelSize;\n this.uniforms.aspect = new Uniform21(1);\n this.uniforms.rotation = new Uniform21(new Vector213());\n this.uniforms.maskParams = new Uniform21(new Vector42());\n this._offset = offset;\n this._focusArea = focusArea;\n this._feather = feather;\n this.rotation = rotation;\n this.updateParams();\n }\n updateParams() {\n const params = this.uniforms.maskParams.value;\n const a = Math.max(this.focusArea, 0);\n const b = Math.max(a - this.feather, 0);\n params.set(\n this.offset - a,\n this.offset - b,\n this.offset + a,\n this.offset + b\n );\n }\n get rotation() {\n return Math.acos(this.uniforms.rotation.value.x);\n }\n set rotation(value) {\n this.uniforms.rotation.value.set(Math.cos(value), Math.sin(value));\n }\n get offset() {\n return this._offset;\n }\n set offset(value) {\n this._offset = value;\n this.updateParams();\n }\n get focusArea() {\n return this._focusArea;\n }\n set focusArea(value) {\n this._focusArea = value;\n this.updateParams();\n }\n get feather() {\n return this._feather;\n }\n set feather(value) {\n this._feather = value;\n this.updateParams();\n }\n setSize(width, height) {\n super.setSize(width, height);\n this.uniforms.aspect.value = width / height;\n }\n};\n\n// src/materials/UpsamplingMaterial.js\nimport { NoBlending as NoBlending21, ShaderMaterial as ShaderMaterial21, Uniform as Uniform22, Vector2 as Vector214 } from \"three\";\n\n// src/materials/glsl/convolution.upsampling.frag\nvar convolution_upsampling_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;uniform mediump sampler2D supportBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;uniform lowp sampler2D supportBuffer;\\n#endif\\nuniform float radius;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;varying vec2 vUv6;varying vec2 vUv7;void main(){vec4 c=vec4(0.0);c+=texture2D(inputBuffer,vUv0)*0.0625;c+=texture2D(inputBuffer,vUv1)*0.125;c+=texture2D(inputBuffer,vUv2)*0.0625;c+=texture2D(inputBuffer,vUv3)*0.125;c+=texture2D(inputBuffer,vUv)*0.25;c+=texture2D(inputBuffer,vUv4)*0.125;c+=texture2D(inputBuffer,vUv5)*0.0625;c+=texture2D(inputBuffer,vUv6)*0.125;c+=texture2D(inputBuffer,vUv7)*0.0625;vec4 baseColor=texture2D(supportBuffer,vUv);gl_FragColor=mix(baseColor,c,radius);\\n#include \\n}\";\n\n// src/materials/glsl/convolution.upsampling.vert\nvar convolution_upsampling_default2 = \"uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;varying vec2 vUv6;varying vec2 vUv7;void main(){vUv=position.xy*0.5+0.5;vUv0=vUv+texelSize*vec2(-1.0,1.0);vUv1=vUv+texelSize*vec2(0.0,1.0);vUv2=vUv+texelSize*vec2(1.0,1.0);vUv3=vUv+texelSize*vec2(-1.0,0.0);vUv4=vUv+texelSize*vec2(1.0,0.0);vUv5=vUv+texelSize*vec2(-1.0,-1.0);vUv6=vUv+texelSize*vec2(0.0,-1.0);vUv7=vUv+texelSize*vec2(1.0,-1.0);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/UpsamplingMaterial.js\nvar UpsamplingMaterial = class extends ShaderMaterial21 {\n constructor() {\n super({\n name: \"UpsamplingMaterial\",\n uniforms: {\n inputBuffer: new Uniform22(null),\n supportBuffer: new Uniform22(null),\n texelSize: new Uniform22(new Vector214()),\n radius: new Uniform22(0.85)\n },\n blending: NoBlending21,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_upsampling_default,\n vertexShader: convolution_upsampling_default2\n });\n this.toneMapped = false;\n }\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n set supportBuffer(value) {\n this.uniforms.supportBuffer.value = value;\n }\n get radius() {\n return this.uniforms.radius.value;\n }\n set radius(value) {\n this.uniforms.radius.value = value;\n }\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/passes/CopyPass.js\nimport { LinearFilter, sRGBEncoding as sRGBEncoding2, UnsignedByteType as UnsignedByteType3, WebGLRenderTarget as WebGLRenderTarget2 } from \"three\";\n\n// src/passes/Pass.js\nimport {\n BasicDepthPacking as BasicDepthPacking8,\n BufferAttribute,\n BufferGeometry,\n Camera,\n Material,\n Mesh,\n Scene,\n Texture,\n WebGLRenderTarget\n} from \"three\";\nvar dummyCamera = new Camera();\nvar geometry = null;\nfunction getFullscreenTriangle() {\n if (geometry === null) {\n const vertices = new Float32Array([-1, -1, 0, 3, -1, 0, -1, 3, 0]);\n const uvs = new Float32Array([0, 0, 2, 0, 0, 2]);\n geometry = new BufferGeometry();\n if (geometry.setAttribute !== void 0) {\n geometry.setAttribute(\"position\", new BufferAttribute(vertices, 3));\n geometry.setAttribute(\"uv\", new BufferAttribute(uvs, 2));\n } else {\n geometry.addAttribute(\"position\", new BufferAttribute(vertices, 3));\n geometry.addAttribute(\"uv\", new BufferAttribute(uvs, 2));\n }\n }\n return geometry;\n}\nvar Pass = class {\n constructor(name = \"Pass\", scene = new Scene(), camera = dummyCamera) {\n this.name = name;\n this.renderer = null;\n this.scene = scene;\n this.camera = camera;\n this.screen = null;\n this.rtt = true;\n this.needsSwap = true;\n this.needsDepthTexture = false;\n this.enabled = true;\n }\n get renderToScreen() {\n return !this.rtt;\n }\n set renderToScreen(value) {\n if (this.rtt === value) {\n const material = this.fullscreenMaterial;\n if (material !== null) {\n material.needsUpdate = true;\n }\n this.rtt = !value;\n }\n }\n set mainScene(value) {\n }\n set mainCamera(value) {\n }\n setRenderer(renderer) {\n this.renderer = renderer;\n }\n isEnabled() {\n return this.enabled;\n }\n setEnabled(value) {\n this.enabled = value;\n }\n get fullscreenMaterial() {\n return this.screen !== null ? this.screen.material : null;\n }\n set fullscreenMaterial(value) {\n let screen = this.screen;\n if (screen !== null) {\n screen.material = value;\n } else {\n screen = new Mesh(getFullscreenTriangle(), value);\n screen.frustumCulled = false;\n if (this.scene === null) {\n this.scene = new Scene();\n }\n this.scene.add(screen);\n this.screen = screen;\n }\n }\n getFullscreenMaterial() {\n return this.fullscreenMaterial;\n }\n setFullscreenMaterial(value) {\n this.fullscreenMaterial = value;\n }\n getDepthTexture() {\n return null;\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking8) {\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n throw new Error(\"Render method not implemented!\");\n }\n setSize(width, height) {\n }\n initialize(renderer, alpha, frameBufferType) {\n }\n dispose() {\n for (const key of Object.keys(this)) {\n const property = this[key];\n const isDisposable = property instanceof WebGLRenderTarget || property instanceof Material || property instanceof Texture || property instanceof Pass;\n if (isDisposable) {\n this[key].dispose();\n }\n }\n }\n};\n\n// src/passes/CopyPass.js\nvar CopyPass = class extends Pass {\n constructor(renderTarget, autoResize = true) {\n super(\"CopyPass\");\n this.fullscreenMaterial = new CopyMaterial();\n this.needsSwap = false;\n this.renderTarget = renderTarget;\n if (renderTarget === void 0) {\n this.renderTarget = new WebGLRenderTarget2(1, 1, {\n minFilter: LinearFilter,\n magFilter: LinearFilter,\n stencilBuffer: false,\n depthBuffer: false\n });\n this.renderTarget.texture.name = \"CopyPass.Target\";\n }\n this.autoResize = autoResize;\n }\n get resize() {\n return this.autoResize;\n }\n set resize(value) {\n this.autoResize = value;\n }\n get texture() {\n return this.renderTarget.texture;\n }\n getTexture() {\n return this.renderTarget.texture;\n }\n setAutoResizeEnabled(value) {\n this.autoResize = value;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n this.fullscreenMaterial.inputBuffer = inputBuffer.texture;\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n renderer.render(this.scene, this.camera);\n }\n setSize(width, height) {\n if (this.autoResize) {\n this.renderTarget.setSize(width, height);\n }\n }\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0) {\n this.renderTarget.texture.type = frameBufferType;\n if (frameBufferType !== UnsignedByteType3) {\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer.outputEncoding === sRGBEncoding2) {\n this.renderTarget.texture.encoding = sRGBEncoding2;\n }\n }\n }\n};\n\n// src/passes/AdaptiveLuminancePass.js\nvar AdaptiveLuminancePass = class extends Pass {\n constructor(luminanceBuffer, { minLuminance = 0.01, adaptationRate = 1 } = {}) {\n super(\"AdaptiveLuminancePass\");\n this.fullscreenMaterial = new AdaptiveLuminanceMaterial();\n this.needsSwap = false;\n this.renderTargetPrevious = new WebGLRenderTarget3(1, 1, {\n minFilter: NearestFilter,\n magFilter: NearestFilter,\n depthBuffer: false\n });\n this.renderTargetPrevious.texture.name = \"Luminance.Previous\";\n const material = this.fullscreenMaterial;\n material.luminanceBuffer0 = this.renderTargetPrevious.texture;\n material.luminanceBuffer1 = luminanceBuffer;\n material.minLuminance = minLuminance;\n material.adaptationRate = adaptationRate;\n this.renderTargetAdapted = this.renderTargetPrevious.clone();\n this.renderTargetAdapted.texture.name = \"Luminance.Adapted\";\n this.copyPass = new CopyPass(this.renderTargetPrevious, false);\n }\n get texture() {\n return this.renderTargetAdapted.texture;\n }\n getTexture() {\n return this.renderTargetAdapted.texture;\n }\n set mipLevel1x1(value) {\n this.fullscreenMaterial.mipLevel1x1 = value;\n }\n get adaptationRate() {\n return this.fullscreenMaterial.adaptationRate;\n }\n set adaptationRate(value) {\n this.fullscreenMaterial.adaptationRate = value;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n this.fullscreenMaterial.deltaTime = deltaTime;\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTargetAdapted);\n renderer.render(this.scene, this.camera);\n this.copyPass.render(renderer, this.renderTargetAdapted);\n }\n};\n\n// src/passes/BoxBlurPass.js\nimport { BasicDepthPacking as BasicDepthPacking9, sRGBEncoding as sRGBEncoding3, UnsignedByteType as UnsignedByteType4, WebGLRenderTarget as WebGLRenderTarget4 } from \"three\";\nvar BoxBlurPass = class extends Pass {\n constructor({\n kernelSize = 5,\n iterations = 1,\n bilateral = false,\n resolutionScale = 1,\n resolutionX = Resolution.AUTO_SIZE,\n resolutionY = Resolution.AUTO_SIZE\n } = {}) {\n super(\"BoxBlurPass\");\n this.needsDepthTexture = bilateral;\n this.renderTargetA = new WebGLRenderTarget4(1, 1, { depthBuffer: false });\n this.renderTargetA.texture.name = \"Blur.Target.A\";\n this.renderTargetB = new WebGLRenderTarget4(1, 1, { depthBuffer: false });\n this.renderTargetB.texture.name = \"Blur.Target.B\";\n this.blurMaterial = new BoxBlurMaterial({ bilateral, kernelSize });\n this.copyMaterial = new CopyMaterial();\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.iterations = iterations;\n }\n set mainCamera(value) {\n this.blurMaterial.copyCameraSettings(value);\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking9) {\n this.blurMaterial.depthBuffer = depthTexture;\n this.blurMaterial.depthPacking = depthPacking;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const scene = this.scene;\n const camera = this.camera;\n const renderTargetA = this.renderTargetA;\n const renderTargetB = this.renderTargetB;\n const blurMaterial = this.blurMaterial;\n this.fullscreenMaterial = blurMaterial;\n let previousBuffer = inputBuffer;\n for (let i = 0, l = Math.max(this.iterations, 1); i < l; ++i) {\n const buffer = (i & 1) === 0 ? renderTargetA : renderTargetB;\n blurMaterial.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(buffer);\n renderer.render(scene, camera);\n previousBuffer = buffer;\n }\n this.copyMaterial.inputBuffer = previousBuffer.texture;\n this.fullscreenMaterial = this.copyMaterial;\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(scene, camera);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.renderTargetA.setSize(w, h);\n this.renderTargetB.setSize(w, h);\n this.blurMaterial.setSize(width, height);\n }\n initialize(renderer, alpha, frameBufferType) {\n this.blurMaterial.maxVaryingVectors = renderer.capabilities.maxVaryings;\n if (frameBufferType !== void 0) {\n this.renderTargetA.texture.type = frameBufferType;\n this.renderTargetB.texture.type = frameBufferType;\n if (frameBufferType !== UnsignedByteType4) {\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer.outputEncoding === sRGBEncoding3) {\n this.renderTargetA.texture.encoding = sRGBEncoding3;\n this.renderTargetB.texture.encoding = sRGBEncoding3;\n }\n }\n }\n};\n\n// src/passes/ClearMaskPass.js\nvar ClearMaskPass = class extends Pass {\n constructor() {\n super(\"ClearMaskPass\", null, null);\n this.needsSwap = false;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const stencil = renderer.state.buffers.stencil;\n stencil.setLocked(false);\n stencil.setTest(false);\n }\n};\n\n// src/passes/ClearPass.js\nimport { Color } from \"three\";\nvar color = new Color();\nvar ClearPass = class extends Pass {\n constructor(color2 = true, depth = true, stencil = false) {\n super(\"ClearPass\", null, null);\n this.needsSwap = false;\n this.color = color2;\n this.depth = depth;\n this.stencil = stencil;\n this.overrideClearColor = null;\n this.overrideClearAlpha = -1;\n }\n setClearFlags(color2, depth, stencil) {\n this.color = color2;\n this.depth = depth;\n this.stencil = stencil;\n }\n getOverrideClearColor() {\n return this.overrideClearColor;\n }\n setOverrideClearColor(value) {\n this.overrideClearColor = value;\n }\n getOverrideClearAlpha() {\n return this.overrideClearAlpha;\n }\n setOverrideClearAlpha(value) {\n this.overrideClearAlpha = value;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const overrideClearColor = this.overrideClearColor;\n const overrideClearAlpha = this.overrideClearAlpha;\n const clearAlpha = renderer.getClearAlpha();\n const hasOverrideClearColor = overrideClearColor !== null;\n const hasOverrideClearAlpha = overrideClearAlpha >= 0;\n if (hasOverrideClearColor) {\n renderer.getClearColor(color);\n renderer.setClearColor(overrideClearColor, hasOverrideClearAlpha ? overrideClearAlpha : clearAlpha);\n } else if (hasOverrideClearAlpha) {\n renderer.setClearAlpha(overrideClearAlpha);\n }\n renderer.setRenderTarget(this.renderToScreen ? null : inputBuffer);\n renderer.clear(this.color, this.depth, this.stencil);\n if (hasOverrideClearColor) {\n renderer.setClearColor(color, clearAlpha);\n } else if (hasOverrideClearAlpha) {\n renderer.setClearAlpha(clearAlpha);\n }\n }\n};\n\n// src/passes/DepthPass.js\nimport { Color as Color2, MeshDepthMaterial, NearestFilter as NearestFilter2, RGBADepthPacking as RGBADepthPacking2, WebGLRenderTarget as WebGLRenderTarget5 } from \"three\";\n\n// src/core/Resolution.js\nimport { EventDispatcher, Vector2 as Vector215 } from \"three\";\nvar AUTO_SIZE = -1;\nvar Resolution = class extends EventDispatcher {\n constructor(resizable, width = AUTO_SIZE, height = AUTO_SIZE, scale = 1) {\n super();\n this.resizable = resizable;\n this.baseSize = new Vector215(1, 1);\n this.preferredSize = new Vector215(width, height);\n this.target = this.preferredSize;\n this.s = scale;\n this.effectiveSize = new Vector215();\n this.addEventListener(\"change\", () => this.updateEffectiveSize());\n this.updateEffectiveSize();\n }\n updateEffectiveSize() {\n const base = this.baseSize;\n const preferred = this.preferredSize;\n const effective = this.effectiveSize;\n const scale = this.scale;\n if (preferred.width !== AUTO_SIZE) {\n effective.width = preferred.width;\n } else if (preferred.height !== AUTO_SIZE) {\n effective.width = Math.round(preferred.height * (base.width / Math.max(base.height, 1)));\n } else {\n effective.width = Math.round(base.width * scale);\n }\n if (preferred.height !== AUTO_SIZE) {\n effective.height = preferred.height;\n } else if (preferred.width !== AUTO_SIZE) {\n effective.height = Math.round(preferred.width / Math.max(base.width / Math.max(base.height, 1), 1));\n } else {\n effective.height = Math.round(base.height * scale);\n }\n }\n get width() {\n return this.effectiveSize.width;\n }\n set width(value) {\n this.preferredWidth = value;\n }\n get height() {\n return this.effectiveSize.height;\n }\n set height(value) {\n this.preferredHeight = value;\n }\n getWidth() {\n return this.width;\n }\n getHeight() {\n return this.height;\n }\n get scale() {\n return this.s;\n }\n set scale(value) {\n if (this.s !== value) {\n this.s = value;\n this.preferredSize.setScalar(AUTO_SIZE);\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n getScale() {\n return this.scale;\n }\n setScale(value) {\n this.scale = value;\n }\n get baseWidth() {\n return this.baseSize.width;\n }\n set baseWidth(value) {\n if (this.baseSize.width !== value) {\n this.baseSize.width = value;\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n getBaseWidth() {\n return this.baseWidth;\n }\n setBaseWidth(value) {\n this.baseWidth = value;\n }\n get baseHeight() {\n return this.baseSize.height;\n }\n set baseHeight(value) {\n if (this.baseSize.height !== value) {\n this.baseSize.height = value;\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n getBaseHeight() {\n return this.baseHeight;\n }\n setBaseHeight(value) {\n this.baseHeight = value;\n }\n setBaseSize(width, height) {\n if (this.baseSize.width !== width || this.baseSize.height !== height) {\n this.baseSize.set(width, height);\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n get preferredWidth() {\n return this.preferredSize.width;\n }\n set preferredWidth(value) {\n if (this.preferredSize.width !== value) {\n this.preferredSize.width = value;\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n getPreferredWidth() {\n return this.preferredWidth;\n }\n setPreferredWidth(value) {\n this.preferredWidth = value;\n }\n get preferredHeight() {\n return this.preferredSize.height;\n }\n set preferredHeight(value) {\n if (this.preferredSize.height !== value) {\n this.preferredSize.height = value;\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n getPreferredHeight() {\n return this.preferredHeight;\n }\n setPreferredHeight(value) {\n this.preferredHeight = value;\n }\n setPreferredSize(width, height) {\n if (this.preferredSize.width !== width || this.preferredSize.height !== height) {\n this.preferredSize.set(width, height);\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n copy(resolution) {\n this.s = resolution.scale;\n this.baseSize.set(resolution.baseWidth, resolution.baseHeight);\n this.preferredSize.set(resolution.preferredWidth, resolution.preferredHeight);\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n static get AUTO_SIZE() {\n return AUTO_SIZE;\n }\n};\n\n// src/core/OverrideMaterialManager.js\nimport { BackSide, DoubleSide, FrontSide } from \"three\";\nvar workaroundEnabled = false;\nvar OverrideMaterialManager = class {\n constructor(material = null) {\n this.originalMaterials = /* @__PURE__ */ new Map();\n this.material = null;\n this.materials = null;\n this.materialsBackSide = null;\n this.materialsDoubleSide = null;\n this.materialsFlatShaded = null;\n this.materialsFlatShadedBackSide = null;\n this.materialsFlatShadedDoubleSide = null;\n this.setMaterial(material);\n this.meshCount = 0;\n this.replaceMaterial = (node) => {\n if (node.isMesh) {\n let materials;\n if (node.material.flatShading) {\n switch (node.material.side) {\n case DoubleSide:\n materials = this.materialsFlatShadedDoubleSide;\n break;\n case BackSide:\n materials = this.materialsFlatShadedBackSide;\n break;\n default:\n materials = this.materialsFlatShaded;\n break;\n }\n } else {\n switch (node.material.side) {\n case DoubleSide:\n materials = this.materialsDoubleSide;\n break;\n case BackSide:\n materials = this.materialsBackSide;\n break;\n default:\n materials = this.materials;\n break;\n }\n }\n this.originalMaterials.set(node, node.material);\n if (node.isSkinnedMesh) {\n node.material = materials[2];\n } else if (node.isInstancedMesh) {\n node.material = materials[1];\n } else {\n node.material = materials[0];\n }\n ++this.meshCount;\n }\n };\n }\n setMaterial(material) {\n this.disposeMaterials();\n this.material = material;\n if (material !== null) {\n const materials = this.materials = [\n material.clone(),\n material.clone(),\n material.clone()\n ];\n for (const m2 of materials) {\n m2.uniforms = Object.assign({}, material.uniforms);\n m2.side = FrontSide;\n }\n materials[2].skinning = true;\n this.materialsBackSide = materials.map((m2) => {\n const c2 = m2.clone();\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.side = BackSide;\n return c2;\n });\n this.materialsDoubleSide = materials.map((m2) => {\n const c2 = m2.clone();\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.side = DoubleSide;\n return c2;\n });\n this.materialsFlatShaded = materials.map((m2) => {\n const c2 = m2.clone();\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.flatShading = true;\n return c2;\n });\n this.materialsFlatShadedBackSide = materials.map((m2) => {\n const c2 = m2.clone();\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.flatShading = true;\n c2.side = BackSide;\n return c2;\n });\n this.materialsFlatShadedDoubleSide = materials.map((m2) => {\n const c2 = m2.clone();\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.flatShading = true;\n c2.side = DoubleSide;\n return c2;\n });\n }\n }\n render(renderer, scene, camera) {\n const shadowMapEnabled = renderer.shadowMap.enabled;\n renderer.shadowMap.enabled = false;\n if (workaroundEnabled) {\n const originalMaterials = this.originalMaterials;\n this.meshCount = 0;\n scene.traverse(this.replaceMaterial);\n renderer.render(scene, camera);\n for (const entry of originalMaterials) {\n entry[0].material = entry[1];\n }\n if (this.meshCount !== originalMaterials.size) {\n originalMaterials.clear();\n }\n } else {\n const overrideMaterial = scene.overrideMaterial;\n scene.overrideMaterial = this.material;\n renderer.render(scene, camera);\n scene.overrideMaterial = overrideMaterial;\n }\n renderer.shadowMap.enabled = shadowMapEnabled;\n }\n disposeMaterials() {\n if (this.material !== null) {\n const materials = this.materials.concat(this.materialsBackSide).concat(this.materialsDoubleSide).concat(this.materialsFlatShaded).concat(this.materialsFlatShadedBackSide).concat(this.materialsFlatShadedDoubleSide);\n for (const m2 of materials) {\n m2.dispose();\n }\n }\n }\n dispose() {\n this.originalMaterials.clear();\n this.disposeMaterials();\n }\n static get workaroundEnabled() {\n return workaroundEnabled;\n }\n static set workaroundEnabled(value) {\n workaroundEnabled = value;\n }\n};\n\n// src/passes/RenderPass.js\nvar RenderPass = class extends Pass {\n constructor(scene, camera, overrideMaterial = null) {\n super(\"RenderPass\", scene, camera);\n this.needsSwap = false;\n this.clearPass = new ClearPass();\n this.overrideMaterialManager = overrideMaterial === null ? null : new OverrideMaterialManager(overrideMaterial);\n this.ignoreBackground = false;\n this.skipShadowMapUpdate = false;\n this.selection = null;\n }\n set mainScene(value) {\n this.scene = value;\n }\n set mainCamera(value) {\n this.camera = value;\n }\n get renderToScreen() {\n return super.renderToScreen;\n }\n set renderToScreen(value) {\n super.renderToScreen = value;\n this.clearPass.renderToScreen = value;\n }\n get overrideMaterial() {\n const manager = this.overrideMaterialManager;\n return manager !== null ? manager.material : null;\n }\n set overrideMaterial(value) {\n const manager = this.overrideMaterialManager;\n if (value !== null) {\n if (manager !== null) {\n manager.setMaterial(value);\n } else {\n this.overrideMaterialManager = new OverrideMaterialManager(value);\n }\n } else if (manager !== null) {\n manager.dispose();\n this.overrideMaterialManager = null;\n }\n }\n getOverrideMaterial() {\n return this.overrideMaterial;\n }\n setOverrideMaterial(value) {\n this.overrideMaterial = value;\n }\n get clear() {\n return this.clearPass.enabled;\n }\n set clear(value) {\n this.clearPass.enabled = value;\n }\n getSelection() {\n return this.selection;\n }\n setSelection(value) {\n this.selection = value;\n }\n isBackgroundDisabled() {\n return this.ignoreBackground;\n }\n setBackgroundDisabled(value) {\n this.ignoreBackground = value;\n }\n isShadowMapDisabled() {\n return this.skipShadowMapUpdate;\n }\n setShadowMapDisabled(value) {\n this.skipShadowMapUpdate = value;\n }\n getClearPass() {\n return this.clearPass;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const scene = this.scene;\n const camera = this.camera;\n const selection = this.selection;\n const mask = camera.layers.mask;\n const background = scene.background;\n const shadowMapAutoUpdate = renderer.shadowMap.autoUpdate;\n const renderTarget = this.renderToScreen ? null : inputBuffer;\n if (selection !== null) {\n camera.layers.set(selection.getLayer());\n }\n if (this.skipShadowMapUpdate) {\n renderer.shadowMap.autoUpdate = false;\n }\n if (this.ignoreBackground || this.clearPass.overrideClearColor !== null) {\n scene.background = null;\n }\n if (this.clearPass.enabled) {\n this.clearPass.render(renderer, inputBuffer);\n }\n renderer.setRenderTarget(renderTarget);\n if (this.overrideMaterialManager !== null) {\n this.overrideMaterialManager.render(renderer, scene, camera);\n } else {\n renderer.render(scene, camera);\n }\n camera.layers.mask = mask;\n scene.background = background;\n renderer.shadowMap.autoUpdate = shadowMapAutoUpdate;\n }\n};\n\n// src/passes/DepthPass.js\nvar DepthPass = class extends Pass {\n constructor(scene, camera, {\n renderTarget,\n resolutionScale = 1,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"DepthPass\");\n this.needsSwap = false;\n this.renderPass = new RenderPass(scene, camera, new MeshDepthMaterial({\n depthPacking: RGBADepthPacking2\n }));\n const renderPass = this.renderPass;\n renderPass.skipShadowMapUpdate = true;\n renderPass.ignoreBackground = true;\n const clearPass = renderPass.getClearPass();\n clearPass.overrideClearColor = new Color2(16777215);\n clearPass.overrideClearAlpha = 1;\n this.renderTarget = renderTarget;\n if (this.renderTarget === void 0) {\n this.renderTarget = new WebGLRenderTarget5(1, 1, {\n minFilter: NearestFilter2,\n magFilter: NearestFilter2\n });\n this.renderTarget.texture.name = \"DepthPass.Target\";\n }\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n set mainScene(value) {\n this.renderPass.mainScene = value;\n }\n set mainCamera(value) {\n this.renderPass.mainCamera = value;\n }\n get texture() {\n return this.renderTarget.texture;\n }\n getTexture() {\n return this.renderTarget.texture;\n }\n getResolution() {\n return this.resolution;\n }\n getResolutionScale() {\n return this.resolution.scale;\n }\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const renderTarget = this.renderToScreen ? null : this.renderTarget;\n this.renderPass.render(renderer, renderTarget);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n }\n};\n\n// src/passes/DepthDownsamplingPass.js\nimport { BasicDepthPacking as BasicDepthPacking10, FloatType, NearestFilter as NearestFilter3, WebGLRenderTarget as WebGLRenderTarget6 } from \"three\";\nvar DepthDownsamplingPass = class extends Pass {\n constructor({\n normalBuffer = null,\n resolutionScale = 0.5,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"DepthDownsamplingPass\");\n const material = new DepthDownsamplingMaterial();\n material.normalBuffer = normalBuffer;\n this.fullscreenMaterial = material;\n this.needsDepthTexture = true;\n this.needsSwap = false;\n this.renderTarget = new WebGLRenderTarget6(1, 1, {\n minFilter: NearestFilter3,\n magFilter: NearestFilter3,\n depthBuffer: false,\n type: FloatType\n });\n this.renderTarget.texture.name = \"DepthDownsamplingPass.Target\";\n this.renderTarget.texture.generateMipmaps = false;\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n get texture() {\n return this.renderTarget.texture;\n }\n getTexture() {\n return this.renderTarget.texture;\n }\n getResolution() {\n return this.resolution;\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking10) {\n this.fullscreenMaterial.depthBuffer = depthTexture;\n this.fullscreenMaterial.depthPacking = depthPacking;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n renderer.render(this.scene, this.camera);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n this.fullscreenMaterial.setSize(width, height);\n }\n initialize(renderer, alpha, frameBufferType) {\n const gl = renderer.getContext();\n const renderable = gl.getExtension(\"EXT_color_buffer_float\") || gl.getExtension(\"EXT_color_buffer_half_float\");\n if (!renderable) {\n throw new Error(\"Rendering to float texture is not supported.\");\n }\n }\n};\n\n// src/passes/DepthPickingPass.js\nimport { FloatType as FloatType3, RGBADepthPacking as RGBADepthPacking4 } from \"three\";\n\n// src/passes/DepthCopyPass.js\nimport {\n BasicDepthPacking as BasicDepthPacking11,\n FloatType as FloatType2,\n NearestFilter as NearestFilter4,\n RGBADepthPacking as RGBADepthPacking3,\n UnsignedByteType as UnsignedByteType5,\n WebGLRenderTarget as WebGLRenderTarget7\n} from \"three\";\nvar DepthCopyPass = class extends Pass {\n constructor({ depthPacking = RGBADepthPacking3 } = {}) {\n super(\"DepthCopyPass\");\n const material = new DepthCopyMaterial();\n material.outputDepthPacking = depthPacking;\n this.fullscreenMaterial = material;\n this.needsDepthTexture = true;\n this.needsSwap = false;\n this.renderTarget = new WebGLRenderTarget7(1, 1, {\n type: depthPacking === RGBADepthPacking3 ? UnsignedByteType5 : FloatType2,\n minFilter: NearestFilter4,\n magFilter: NearestFilter4,\n depthBuffer: false\n });\n this.renderTarget.texture.name = \"DepthCopyPass.Target\";\n }\n get texture() {\n return this.renderTarget.texture;\n }\n getTexture() {\n return this.renderTarget.texture;\n }\n get depthPacking() {\n return this.fullscreenMaterial.outputDepthPacking;\n }\n getDepthPacking() {\n return this.fullscreenMaterial.outputDepthPacking;\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking11) {\n this.fullscreenMaterial.depthBuffer = depthTexture;\n this.fullscreenMaterial.inputDepthPacking = depthPacking;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n renderer.render(this.scene, this.camera);\n }\n setSize(width, height) {\n this.renderTarget.setSize(width, height);\n }\n};\n\n// src/passes/DepthPickingPass.js\nvar unpackFactors = new Float32Array([\n 255 / 256 / 256 ** 3,\n 255 / 256 / 256 ** 2,\n 255 / 256 / 256,\n 255 / 256\n]);\nfunction unpackRGBAToDepth(packedDepth) {\n return (packedDepth[0] * unpackFactors[0] + packedDepth[1] * unpackFactors[1] + packedDepth[2] * unpackFactors[2] + packedDepth[3] * unpackFactors[3]) / 255;\n}\nvar DepthPickingPass = class extends DepthCopyPass {\n constructor({ depthPacking = RGBADepthPacking4, mode = DepthCopyMode.SINGLE } = {}) {\n super({ depthPacking });\n this.name = \"DepthPickingPass\";\n this.fullscreenMaterial.mode = mode;\n this.pixelBuffer = depthPacking === RGBADepthPacking4 ? new Uint8Array(4) : new Float32Array(4);\n this.callback = null;\n }\n readDepth(ndc) {\n this.fullscreenMaterial.texelPosition.set(ndc.x * 0.5 + 0.5, ndc.y * 0.5 + 0.5);\n return new Promise((resolve) => {\n this.callback = resolve;\n });\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const material = this.fullscreenMaterial;\n const mode = material.mode;\n if (mode === DepthCopyMode.FULL) {\n super.render(renderer);\n }\n if (this.callback !== null) {\n const renderTarget = this.renderTarget;\n const pixelBuffer = this.pixelBuffer;\n const packed = renderTarget.texture.type !== FloatType3;\n let x = 0, y = 0;\n if (mode === DepthCopyMode.SINGLE) {\n super.render(renderer);\n } else {\n const texelPosition = material.texelPosition;\n x = Math.round(texelPosition.x * renderTarget.width);\n y = Math.round(texelPosition.y * renderTarget.height);\n }\n renderer.readRenderTargetPixels(renderTarget, x, y, 1, 1, pixelBuffer);\n this.callback(packed ? unpackRGBAToDepth(pixelBuffer) : pixelBuffer[0]);\n this.callback = null;\n }\n }\n setSize(width, height) {\n if (this.fullscreenMaterial.mode === DepthCopyMode.FULL) {\n super.setSize(width, height);\n }\n }\n};\n\n// src/passes/EffectPass.js\nimport { BasicDepthPacking as BasicDepthPacking12, UnsignedByteType as UnsignedByteType6, sRGBEncoding as sRGBEncoding4 } from \"three\";\nfunction prefixSubstrings(prefix, substrings, strings) {\n for (const substring of substrings) {\n const prefixed = \"$1\" + prefix + substring.charAt(0).toUpperCase() + substring.slice(1);\n const regExp = new RegExp(\"([^\\\\.])(\\\\b\" + substring + \"\\\\b)\", \"g\");\n for (const entry of strings.entries()) {\n if (entry[1] !== null) {\n strings.set(entry[0], entry[1].replace(regExp, prefixed));\n }\n }\n }\n}\nfunction integrateEffect(prefix, effect, data) {\n var _a, _b, _c, _d, _e;\n let fragmentShader = effect.getFragmentShader();\n let vertexShader = effect.getVertexShader();\n const mainImageExists = fragmentShader !== void 0 && /mainImage/.test(fragmentShader);\n const mainUvExists = fragmentShader !== void 0 && /mainUv/.test(fragmentShader);\n data.attributes |= effect.getAttributes();\n if (fragmentShader === void 0) {\n throw new Error(`Missing fragment shader (${effect.name})`);\n } else if (mainUvExists && (data.attributes & EffectAttribute.CONVOLUTION) !== 0) {\n throw new Error(`Effects that transform UVs are incompatible with convolution effects (${effect.name})`);\n } else if (!mainImageExists && !mainUvExists) {\n throw new Error(`Could not find mainImage or mainUv function (${effect.name})`);\n } else {\n const functionRegExp = /\\w+\\s+(\\w+)\\([\\w\\s,]*\\)\\s*{/g;\n const shaderParts = data.shaderParts;\n let fragmentHead = (_a = shaderParts.get(EffectShaderSection.FRAGMENT_HEAD)) != null ? _a : \"\";\n let fragmentMainUv = (_b = shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_UV)) != null ? _b : \"\";\n let fragmentMainImage = (_c = shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_IMAGE)) != null ? _c : \"\";\n let vertexHead = (_d = shaderParts.get(EffectShaderSection.VERTEX_HEAD)) != null ? _d : \"\";\n let vertexMainSupport = (_e = shaderParts.get(EffectShaderSection.VERTEX_MAIN_SUPPORT)) != null ? _e : \"\";\n const varyings = /* @__PURE__ */ new Set();\n const names = /* @__PURE__ */ new Set();\n if (mainUvExists) {\n fragmentMainUv += `\t${prefix}MainUv(UV);\n`;\n data.uvTransformation = true;\n }\n if (vertexShader !== null && /mainSupport/.test(vertexShader)) {\n const needsUv = /mainSupport *\\([\\w\\s]*?uv\\s*?\\)/.test(vertexShader);\n vertexMainSupport += `\t${prefix}MainSupport(`;\n vertexMainSupport += needsUv ? \"vUv);\\n\" : \");\\n\";\n for (const m2 of vertexShader.matchAll(/(?:varying\\s+\\w+\\s+([\\S\\s]*?);)/g)) {\n for (const n of m2[1].split(/\\s*,\\s*/)) {\n data.varyings.add(n);\n varyings.add(n);\n names.add(n);\n }\n }\n for (const m2 of vertexShader.matchAll(functionRegExp)) {\n names.add(m2[1]);\n }\n }\n for (const m2 of fragmentShader.matchAll(functionRegExp)) {\n names.add(m2[1]);\n }\n for (const d of effect.defines.keys()) {\n names.add(d.replace(/\\([\\w\\s,]*\\)/g, \"\"));\n }\n for (const u of effect.uniforms.keys()) {\n names.add(u);\n }\n names.delete(\"while\");\n names.delete(\"for\");\n names.delete(\"if\");\n effect.uniforms.forEach((val, key) => data.uniforms.set(prefix + key.charAt(0).toUpperCase() + key.slice(1), val));\n effect.defines.forEach((val, key) => data.defines.set(prefix + key.charAt(0).toUpperCase() + key.slice(1), val));\n const shaders = /* @__PURE__ */ new Map([[\"fragment\", fragmentShader], [\"vertex\", vertexShader]]);\n prefixSubstrings(prefix, names, data.defines);\n prefixSubstrings(prefix, names, shaders);\n fragmentShader = shaders.get(\"fragment\");\n vertexShader = shaders.get(\"vertex\");\n const blendMode = effect.blendMode;\n data.blendModes.set(blendMode.blendFunction, blendMode);\n if (mainImageExists) {\n if (effect.inputColorSpace !== null && effect.inputColorSpace !== data.colorSpace) {\n fragmentMainImage += effect.inputColorSpace === sRGBEncoding4 ? \"color0 = LinearTosRGB(color0);\\n\t\" : \"color0 = sRGBToLinear(color0);\\n\t\";\n }\n if (effect.outputColorSpace !== null) {\n data.colorSpace = effect.outputColorSpace;\n } else if (effect.inputColorSpace !== null) {\n data.colorSpace = effect.inputColorSpace;\n }\n const depthParamRegExp = /MainImage *\\([\\w\\s,]*?depth[\\w\\s,]*?\\)/;\n fragmentMainImage += `${prefix}MainImage(color0, UV, `;\n if ((data.attributes & EffectAttribute.DEPTH) !== 0 && depthParamRegExp.test(fragmentShader)) {\n fragmentMainImage += \"depth, \";\n data.readDepth = true;\n }\n fragmentMainImage += \"color1);\\n\t\";\n const blendOpacity = prefix + \"BlendOpacity\";\n data.uniforms.set(blendOpacity, blendMode.opacity);\n fragmentMainImage += `color0 = blend${blendMode.blendFunction}(color0, color1, ${blendOpacity});\n\n\t`;\n fragmentHead += `uniform float ${blendOpacity};\n\n`;\n }\n fragmentHead += fragmentShader + \"\\n\";\n if (vertexShader !== null) {\n vertexHead += vertexShader + \"\\n\";\n }\n shaderParts.set(EffectShaderSection.FRAGMENT_HEAD, fragmentHead);\n shaderParts.set(EffectShaderSection.FRAGMENT_MAIN_UV, fragmentMainUv);\n shaderParts.set(EffectShaderSection.FRAGMENT_MAIN_IMAGE, fragmentMainImage);\n shaderParts.set(EffectShaderSection.VERTEX_HEAD, vertexHead);\n shaderParts.set(EffectShaderSection.VERTEX_MAIN_SUPPORT, vertexMainSupport);\n if (effect.extensions !== null) {\n for (const extension of effect.extensions) {\n data.extensions.add(extension);\n }\n }\n }\n}\nvar EffectPass = class extends Pass {\n constructor(camera, ...effects) {\n super(\"EffectPass\");\n this.fullscreenMaterial = new EffectMaterial(null, null, null, camera);\n this.listener = (event) => this.handleEvent(event);\n this.effects = [];\n this.setEffects(effects);\n this.skipRendering = false;\n this.minTime = 1;\n this.maxTime = Number.POSITIVE_INFINITY;\n this.timeScale = 1;\n }\n set mainScene(value) {\n for (const effect of this.effects) {\n effect.mainScene = value;\n }\n }\n set mainCamera(value) {\n this.fullscreenMaterial.copyCameraSettings(value);\n for (const effect of this.effects) {\n effect.mainCamera = value;\n }\n }\n get encodeOutput() {\n return this.fullscreenMaterial.encodeOutput;\n }\n set encodeOutput(value) {\n this.fullscreenMaterial.encodeOutput = value;\n }\n get dithering() {\n return this.fullscreenMaterial.dithering;\n }\n set dithering(value) {\n const material = this.fullscreenMaterial;\n material.dithering = value;\n material.needsUpdate = true;\n }\n setEffects(effects) {\n for (const effect of this.effects) {\n effect.removeEventListener(\"change\", this.listener);\n }\n this.effects = effects.sort((a, b) => b.attributes - a.attributes);\n for (const effect of this.effects) {\n effect.addEventListener(\"change\", this.listener);\n }\n }\n updateMaterial() {\n const data = new EffectShaderData();\n let id = 0;\n for (const effect of this.effects) {\n if (effect.blendMode.blendFunction === BlendFunction.DST) {\n data.attributes |= effect.getAttributes() & EffectAttribute.DEPTH;\n } else if ((data.attributes & effect.getAttributes() & EffectAttribute.CONVOLUTION) !== 0) {\n throw new Error(`Convolution effects cannot be merged (${effect.name})`);\n } else {\n integrateEffect(\"e\" + id++, effect, data);\n }\n }\n let fragmentHead = data.shaderParts.get(EffectShaderSection.FRAGMENT_HEAD);\n let fragmentMainImage = data.shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_IMAGE);\n let fragmentMainUv = data.shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_UV);\n const blendRegExp = /\\bblend\\b/g;\n for (const blendMode of data.blendModes.values()) {\n fragmentHead += blendMode.getShaderCode().replace(blendRegExp, `blend${blendMode.blendFunction}`) + \"\\n\";\n }\n if ((data.attributes & EffectAttribute.DEPTH) !== 0) {\n if (data.readDepth) {\n fragmentMainImage = \"float depth = readDepth(UV);\\n\\n\t\" + fragmentMainImage;\n }\n this.needsDepthTexture = this.getDepthTexture() === null;\n } else {\n this.needsDepthTexture = false;\n }\n if (data.colorSpace === sRGBEncoding4) {\n fragmentMainImage += \"color0 = sRGBToLinear(color0);\\n\t\";\n }\n if (data.uvTransformation) {\n fragmentMainUv = \"vec2 transformedUv = vUv;\\n\" + fragmentMainUv;\n data.defines.set(\"UV\", \"transformedUv\");\n } else {\n data.defines.set(\"UV\", \"vUv\");\n }\n data.shaderParts.set(EffectShaderSection.FRAGMENT_HEAD, fragmentHead);\n data.shaderParts.set(EffectShaderSection.FRAGMENT_MAIN_IMAGE, fragmentMainImage);\n data.shaderParts.set(EffectShaderSection.FRAGMENT_MAIN_UV, fragmentMainUv);\n data.shaderParts.forEach((value, key, map) => map.set(key, value == null ? void 0 : value.trim().replace(/^#/, \"\\n#\")));\n this.skipRendering = id === 0;\n this.needsSwap = !this.skipRendering;\n this.fullscreenMaterial.setShaderData(data);\n }\n recompile() {\n this.updateMaterial();\n }\n getDepthTexture() {\n return this.fullscreenMaterial.depthBuffer;\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking12) {\n this.fullscreenMaterial.depthBuffer = depthTexture;\n this.fullscreenMaterial.depthPacking = depthPacking;\n for (const effect of this.effects) {\n effect.setDepthTexture(depthTexture, depthPacking);\n }\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n for (const effect of this.effects) {\n effect.update(renderer, inputBuffer, deltaTime);\n }\n if (!this.skipRendering || this.renderToScreen) {\n const material = this.fullscreenMaterial;\n material.inputBuffer = inputBuffer.texture;\n material.time += deltaTime * this.timeScale;\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(this.scene, this.camera);\n }\n }\n setSize(width, height) {\n this.fullscreenMaterial.setSize(width, height);\n for (const effect of this.effects) {\n effect.setSize(width, height);\n }\n }\n initialize(renderer, alpha, frameBufferType) {\n this.renderer = renderer;\n for (const effect of this.effects) {\n effect.initialize(renderer, alpha, frameBufferType);\n }\n this.updateMaterial();\n if (frameBufferType !== void 0 && frameBufferType !== UnsignedByteType6) {\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n }\n }\n dispose() {\n super.dispose();\n for (const effect of this.effects) {\n effect.removeEventListener(\"change\", this.listener);\n effect.dispose();\n }\n }\n handleEvent(event) {\n switch (event.type) {\n case \"change\":\n this.recompile();\n break;\n }\n }\n};\n\n// src/passes/GaussianBlurPass.js\nimport { sRGBEncoding as sRGBEncoding5, UnsignedByteType as UnsignedByteType7, WebGLRenderTarget as WebGLRenderTarget8 } from \"three\";\nvar GaussianBlurPass = class extends Pass {\n constructor({\n kernelSize = 35,\n iterations = 1,\n resolutionScale = 1,\n resolutionX = Resolution.AUTO_SIZE,\n resolutionY = Resolution.AUTO_SIZE\n } = {}) {\n super(\"GaussianBlurPass\");\n this.renderTargetA = new WebGLRenderTarget8(1, 1, { depthBuffer: false });\n this.renderTargetA.texture.name = \"Blur.Target.A\";\n this.renderTargetB = this.renderTargetA.clone();\n this.renderTargetB.texture.name = \"Blur.Target.B\";\n this.blurMaterial = new GaussianBlurMaterial({ kernelSize });\n this.copyMaterial = new CopyMaterial();\n this.copyMaterial.inputBuffer = this.renderTargetB.texture;\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.iterations = iterations;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const scene = this.scene;\n const camera = this.camera;\n const renderTargetA = this.renderTargetA;\n const renderTargetB = this.renderTargetB;\n const blurMaterial = this.blurMaterial;\n this.fullscreenMaterial = blurMaterial;\n let previousBuffer = inputBuffer;\n for (let i = 0, l = Math.max(this.iterations, 1); i < l; ++i) {\n blurMaterial.direction.set(1, 0);\n blurMaterial.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(renderTargetA);\n renderer.render(scene, camera);\n blurMaterial.direction.set(0, 1);\n blurMaterial.inputBuffer = renderTargetA.texture;\n renderer.setRenderTarget(renderTargetB);\n renderer.render(scene, camera);\n if (i === 0 && l > 1) {\n previousBuffer = renderTargetB;\n }\n }\n this.fullscreenMaterial = this.copyMaterial;\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(scene, camera);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.renderTargetA.setSize(w, h);\n this.renderTargetB.setSize(w, h);\n this.blurMaterial.setSize(width, height);\n }\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0) {\n this.renderTargetA.texture.type = frameBufferType;\n this.renderTargetB.texture.type = frameBufferType;\n if (frameBufferType !== UnsignedByteType7) {\n this.blurMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n this.copyMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer.outputEncoding === sRGBEncoding5) {\n this.renderTargetA.texture.encoding = sRGBEncoding5;\n this.renderTargetB.texture.encoding = sRGBEncoding5;\n }\n }\n }\n};\n\n// src/passes/KawaseBlurPass.js\nimport { sRGBEncoding as sRGBEncoding6, UnsignedByteType as UnsignedByteType8, WebGLRenderTarget as WebGLRenderTarget9 } from \"three\";\nvar KawaseBlurPass = class extends Pass {\n constructor({\n kernelSize = KernelSize.MEDIUM,\n resolutionScale = 0.5,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"KawaseBlurPass\");\n this.renderTargetA = new WebGLRenderTarget9(1, 1, { depthBuffer: false });\n this.renderTargetA.texture.name = \"Blur.Target.A\";\n this.renderTargetB = this.renderTargetA.clone();\n this.renderTargetB.texture.name = \"Blur.Target.B\";\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this._blurMaterial = new KawaseBlurMaterial();\n this._blurMaterial.kernelSize = kernelSize;\n this.copyMaterial = new CopyMaterial();\n }\n getResolution() {\n return this.resolution;\n }\n get blurMaterial() {\n return this._blurMaterial;\n }\n set blurMaterial(value) {\n this._blurMaterial = value;\n }\n get dithering() {\n return this.copyMaterial.dithering;\n }\n set dithering(value) {\n this.copyMaterial.dithering = value;\n }\n get kernelSize() {\n return this.blurMaterial.kernelSize;\n }\n set kernelSize(value) {\n this.blurMaterial.kernelSize = value;\n }\n get width() {\n return this.resolution.width;\n }\n set width(value) {\n this.resolution.preferredWidth = value;\n }\n get height() {\n return this.resolution.height;\n }\n set height(value) {\n this.resolution.preferredHeight = value;\n }\n get scale() {\n return this.blurMaterial.scale;\n }\n set scale(value) {\n this.blurMaterial.scale = value;\n }\n getScale() {\n return this.blurMaterial.scale;\n }\n setScale(value) {\n this.blurMaterial.scale = value;\n }\n getKernelSize() {\n return this.kernelSize;\n }\n setKernelSize(value) {\n this.kernelSize = value;\n }\n getResolutionScale() {\n return this.resolution.scale;\n }\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const scene = this.scene;\n const camera = this.camera;\n const renderTargetA = this.renderTargetA;\n const renderTargetB = this.renderTargetB;\n const material = this.blurMaterial;\n const kernelSequence = material.kernelSequence;\n let previousBuffer = inputBuffer;\n this.fullscreenMaterial = material;\n for (let i = 0, l = kernelSequence.length; i < l; ++i) {\n const buffer = (i & 1) === 0 ? renderTargetA : renderTargetB;\n material.kernel = kernelSequence[i];\n material.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(buffer);\n renderer.render(scene, camera);\n previousBuffer = buffer;\n }\n this.fullscreenMaterial = this.copyMaterial;\n this.copyMaterial.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(scene, camera);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.renderTargetA.setSize(w, h);\n this.renderTargetB.setSize(w, h);\n this.blurMaterial.setSize(width, height);\n }\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0) {\n this.renderTargetA.texture.type = frameBufferType;\n this.renderTargetB.texture.type = frameBufferType;\n if (frameBufferType !== UnsignedByteType8) {\n this.blurMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n this.copyMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer.outputEncoding === sRGBEncoding6) {\n this.renderTargetA.texture.encoding = sRGBEncoding6;\n this.renderTargetB.texture.encoding = sRGBEncoding6;\n }\n }\n }\n static get AUTO_SIZE() {\n return Resolution.AUTO_SIZE;\n }\n};\n\n// src/passes/LambdaPass.js\nvar LambdaPass = class extends Pass {\n constructor(f) {\n super(\"LambdaPass\", null, null);\n this.needsSwap = false;\n this.f = f;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n this.f();\n }\n};\n\n// src/passes/LuminancePass.js\nimport { UnsignedByteType as UnsignedByteType9, WebGLRenderTarget as WebGLRenderTarget10 } from \"three\";\nvar LuminancePass = class extends Pass {\n constructor({\n renderTarget,\n luminanceRange,\n colorOutput,\n resolutionScale = 1,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"LuminancePass\");\n this.fullscreenMaterial = new LuminanceMaterial(colorOutput, luminanceRange);\n this.needsSwap = false;\n this.renderTarget = renderTarget;\n if (this.renderTarget === void 0) {\n this.renderTarget = new WebGLRenderTarget10(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"LuminancePass.Target\";\n }\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n get texture() {\n return this.renderTarget.texture;\n }\n getTexture() {\n return this.renderTarget.texture;\n }\n getResolution() {\n return this.resolution;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const material = this.fullscreenMaterial;\n material.inputBuffer = inputBuffer.texture;\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n renderer.render(this.scene, this.camera);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n }\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0 && frameBufferType !== UnsignedByteType9) {\n this.renderTarget.texture.type = frameBufferType;\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n }\n }\n};\n\n// src/passes/MaskPass.js\nvar MaskPass = class extends Pass {\n constructor(scene, camera) {\n super(\"MaskPass\", scene, camera);\n this.needsSwap = false;\n this.clearPass = new ClearPass(false, false, true);\n this.inverse = false;\n }\n set mainScene(value) {\n this.scene = value;\n }\n set mainCamera(value) {\n this.camera = value;\n }\n get inverted() {\n return this.inverse;\n }\n set inverted(value) {\n this.inverse = value;\n }\n get clear() {\n return this.clearPass.enabled;\n }\n set clear(value) {\n this.clearPass.enabled = value;\n }\n getClearPass() {\n return this.clearPass;\n }\n isInverted() {\n return this.inverted;\n }\n setInverted(value) {\n this.inverted = value;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const context = renderer.getContext();\n const buffers = renderer.state.buffers;\n const scene = this.scene;\n const camera = this.camera;\n const clearPass = this.clearPass;\n const writeValue = this.inverted ? 0 : 1;\n const clearValue = 1 - writeValue;\n buffers.color.setMask(false);\n buffers.depth.setMask(false);\n buffers.color.setLocked(true);\n buffers.depth.setLocked(true);\n buffers.stencil.setTest(true);\n buffers.stencil.setOp(context.REPLACE, context.REPLACE, context.REPLACE);\n buffers.stencil.setFunc(context.ALWAYS, writeValue, 4294967295);\n buffers.stencil.setClear(clearValue);\n buffers.stencil.setLocked(true);\n if (this.clearPass.enabled) {\n if (this.renderToScreen) {\n clearPass.render(renderer, null);\n } else {\n clearPass.render(renderer, inputBuffer);\n clearPass.render(renderer, outputBuffer);\n }\n }\n if (this.renderToScreen) {\n renderer.setRenderTarget(null);\n renderer.render(scene, camera);\n } else {\n renderer.setRenderTarget(inputBuffer);\n renderer.render(scene, camera);\n renderer.setRenderTarget(outputBuffer);\n renderer.render(scene, camera);\n }\n buffers.color.setLocked(false);\n buffers.depth.setLocked(false);\n buffers.stencil.setLocked(false);\n buffers.stencil.setFunc(context.EQUAL, 1, 4294967295);\n buffers.stencil.setOp(context.KEEP, context.KEEP, context.KEEP);\n buffers.stencil.setLocked(true);\n }\n};\n\n// src/passes/MipmapBlurPass.js\nimport { sRGBEncoding as sRGBEncoding7, UnsignedByteType as UnsignedByteType10, Vector2 as Vector216, WebGLRenderTarget as WebGLRenderTarget11 } from \"three\";\nvar MipmapBlurPass = class extends Pass {\n constructor() {\n super(\"MipmapBlurPass\");\n this.needsSwap = false;\n this.renderTarget = new WebGLRenderTarget11(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"Upsampling.Mipmap0\";\n this.downsamplingMipmaps = [];\n this.upsamplingMipmaps = [];\n this.downsamplingMaterial = new DownsamplingMaterial();\n this.upsamplingMaterial = new UpsamplingMaterial();\n this.resolution = new Vector216();\n }\n get texture() {\n return this.renderTarget.texture;\n }\n get levels() {\n return this.downsamplingMipmaps.length;\n }\n set levels(value) {\n if (this.levels !== value) {\n const renderTarget = this.renderTarget;\n this.dispose();\n this.downsamplingMipmaps = [];\n this.upsamplingMipmaps = [];\n for (let i = 0; i < value; ++i) {\n const mipmap = renderTarget.clone();\n mipmap.texture.name = \"Downsampling.Mipmap\" + i;\n this.downsamplingMipmaps.push(mipmap);\n }\n this.upsamplingMipmaps.push(renderTarget);\n for (let i = 1, l = value - 1; i < l; ++i) {\n const mipmap = renderTarget.clone();\n mipmap.texture.name = \"Upsampling.Mipmap\" + i;\n this.upsamplingMipmaps.push(mipmap);\n }\n this.setSize(this.resolution.x, this.resolution.y);\n }\n }\n get radius() {\n return this.upsamplingMaterial.radius;\n }\n set radius(value) {\n this.upsamplingMaterial.radius = value;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const { scene, camera } = this;\n const { downsamplingMaterial, upsamplingMaterial } = this;\n const { downsamplingMipmaps, upsamplingMipmaps } = this;\n let previousBuffer = inputBuffer;\n this.fullscreenMaterial = downsamplingMaterial;\n for (let i = 0, l = downsamplingMipmaps.length; i < l; ++i) {\n const mipmap = downsamplingMipmaps[i];\n downsamplingMaterial.setSize(previousBuffer.width, previousBuffer.height);\n downsamplingMaterial.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(mipmap);\n renderer.render(scene, camera);\n previousBuffer = mipmap;\n }\n this.fullscreenMaterial = upsamplingMaterial;\n for (let i = upsamplingMipmaps.length - 1; i >= 0; --i) {\n const mipmap = upsamplingMipmaps[i];\n upsamplingMaterial.setSize(previousBuffer.width, previousBuffer.height);\n upsamplingMaterial.inputBuffer = previousBuffer.texture;\n upsamplingMaterial.supportBuffer = downsamplingMipmaps[i].texture;\n renderer.setRenderTarget(mipmap);\n renderer.render(scene, camera);\n previousBuffer = mipmap;\n }\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.set(width, height);\n let w = resolution.width, h = resolution.height;\n for (let i = 0, l = this.downsamplingMipmaps.length; i < l; ++i) {\n w = Math.round(w * 0.5);\n h = Math.round(h * 0.5);\n this.downsamplingMipmaps[i].setSize(w, h);\n if (i < this.upsamplingMipmaps.length) {\n this.upsamplingMipmaps[i].setSize(w, h);\n }\n }\n }\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0) {\n const mipmaps = this.downsamplingMipmaps.concat(this.upsamplingMipmaps);\n for (const mipmap of mipmaps) {\n mipmap.texture.type = frameBufferType;\n }\n if (frameBufferType !== UnsignedByteType10) {\n this.downsamplingMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n this.upsamplingMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer.outputEncoding === sRGBEncoding7) {\n for (const mipmap of mipmaps) {\n mipmap.texture.encoding = sRGBEncoding7;\n }\n }\n }\n }\n dispose() {\n super.dispose();\n for (const mipmap of this.downsamplingMipmaps.concat(this.upsamplingMipmaps)) {\n mipmap.dispose();\n }\n }\n};\n\n// src/passes/NormalPass.js\nimport { Color as Color3, MeshNormalMaterial, NearestFilter as NearestFilter5, WebGLRenderTarget as WebGLRenderTarget12 } from \"three\";\nvar NormalPass = class extends Pass {\n constructor(scene, camera, {\n renderTarget,\n resolutionScale = 1,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"NormalPass\");\n this.needsSwap = false;\n this.renderPass = new RenderPass(scene, camera, new MeshNormalMaterial());\n const renderPass = this.renderPass;\n renderPass.ignoreBackground = true;\n renderPass.skipShadowMapUpdate = true;\n const clearPass = renderPass.getClearPass();\n clearPass.overrideClearColor = new Color3(7829503);\n clearPass.overrideClearAlpha = 1;\n this.renderTarget = renderTarget;\n if (this.renderTarget === void 0) {\n this.renderTarget = new WebGLRenderTarget12(1, 1, {\n minFilter: NearestFilter5,\n magFilter: NearestFilter5\n });\n this.renderTarget.texture.name = \"NormalPass.Target\";\n }\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n set mainScene(value) {\n this.renderPass.mainScene = value;\n }\n set mainCamera(value) {\n this.renderPass.mainCamera = value;\n }\n get texture() {\n return this.renderTarget.texture;\n }\n getTexture() {\n return this.renderTarget.texture;\n }\n getResolution() {\n return this.resolution;\n }\n getResolutionScale() {\n return this.resolution.scale;\n }\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const renderTarget = this.renderToScreen ? null : this.renderTarget;\n this.renderPass.render(renderer, renderTarget, renderTarget);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n }\n};\n\n// src/passes/ShaderPass.js\nimport { UnsignedByteType as UnsignedByteType11 } from \"three\";\nvar ShaderPass = class extends Pass {\n constructor(material, input = \"inputBuffer\") {\n super(\"ShaderPass\");\n this.fullscreenMaterial = material;\n this.input = input;\n }\n setInput(input) {\n this.input = input;\n }\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const uniforms = this.fullscreenMaterial.uniforms;\n if (inputBuffer !== null && uniforms !== void 0 && uniforms[this.input] !== void 0) {\n uniforms[this.input].value = inputBuffer.texture;\n }\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(this.scene, this.camera);\n }\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0 && frameBufferType !== UnsignedByteType11) {\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n }\n }\n};\n\n// src/passes/TiltShiftBlurPass.js\nvar TiltShiftBlurPass = class extends KawaseBlurPass {\n constructor({\n offset = 0,\n rotation = 0,\n focusArea = 0.4,\n feather = 0.3,\n kernelSize = KernelSize.MEDIUM,\n resolutionScale = 0.5,\n resolutionX = Resolution.AUTO_SIZE,\n resolutionY = Resolution.AUTO_SIZE\n } = {}) {\n super({ kernelSize, resolutionScale, resolutionX, resolutionY });\n this.blurMaterial = new TiltShiftBlurMaterial({ kernelSize, offset, rotation, focusArea, feather });\n }\n};\n\n// src/core/Timer.js\nvar MILLISECONDS_TO_SECONDS = 1 / 1e3;\nvar SECONDS_TO_MILLISECONDS = 1e3;\nvar Timer = class {\n constructor() {\n this.previousTime = 0;\n this.currentTime = 0;\n this.delta = 0;\n this.fixedDelta = 1e3 / 60;\n this.elapsed = 0;\n this.timescale = 1;\n this.fixedDeltaEnabled = false;\n this.autoReset = false;\n }\n setFixedDeltaEnabled(enabled) {\n this.fixedDeltaEnabled = enabled;\n return this;\n }\n isAutoResetEnabled(enabled) {\n return this.autoReset;\n }\n setAutoResetEnabled(enabled) {\n if (typeof document !== \"undefined\" && document.hidden !== void 0) {\n if (enabled) {\n document.addEventListener(\"visibilitychange\", this);\n } else {\n document.removeEventListener(\"visibilitychange\", this);\n }\n this.autoReset = enabled;\n }\n return this;\n }\n getDelta() {\n return this.delta * MILLISECONDS_TO_SECONDS;\n }\n getFixedDelta() {\n return this.fixedDelta * MILLISECONDS_TO_SECONDS;\n }\n setFixedDelta(fixedDelta) {\n this.fixedDelta = fixedDelta * SECONDS_TO_MILLISECONDS;\n return this;\n }\n getElapsed() {\n return this.elapsed * MILLISECONDS_TO_SECONDS;\n }\n getTimescale() {\n return this.timescale;\n }\n setTimescale(timescale) {\n this.timescale = timescale;\n return this;\n }\n update(timestamp) {\n if (this.fixedDeltaEnabled) {\n this.delta = this.fixedDelta;\n } else {\n this.previousTime = this.currentTime;\n this.currentTime = timestamp !== void 0 ? timestamp : performance.now();\n this.delta = this.currentTime - this.previousTime;\n }\n this.delta *= this.timescale;\n this.elapsed += this.delta;\n return this;\n }\n reset() {\n this.delta = 0;\n this.elapsed = 0;\n this.currentTime = performance.now();\n return this;\n }\n handleEvent(event) {\n if (!document.hidden) {\n this.currentTime = performance.now();\n }\n }\n dispose() {\n this.setAutoResetEnabled(false);\n }\n};\n\n// src/core/EffectComposer.js\nvar EffectComposer = class {\n constructor(renderer = null, {\n depthBuffer = true,\n stencilBuffer = false,\n multisampling = 0,\n frameBufferType\n } = {}) {\n this.renderer = null;\n this.inputBuffer = this.createBuffer(depthBuffer, stencilBuffer, frameBufferType, multisampling);\n this.outputBuffer = this.inputBuffer.clone();\n this.copyPass = new CopyPass();\n this.depthTexture = null;\n this.passes = [];\n this.timer = new Timer();\n this.autoRenderToScreen = true;\n this.setRenderer(renderer);\n }\n get multisampling() {\n return this.inputBuffer.samples || 0;\n }\n set multisampling(value) {\n const buffer = this.inputBuffer;\n const multisampling = this.multisampling;\n if (multisampling > 0 && value > 0) {\n this.inputBuffer.samples = value;\n this.outputBuffer.samples = value;\n this.inputBuffer.dispose();\n this.outputBuffer.dispose();\n } else if (multisampling !== value) {\n this.inputBuffer.dispose();\n this.outputBuffer.dispose();\n this.inputBuffer = this.createBuffer(\n buffer.depthBuffer,\n buffer.stencilBuffer,\n buffer.texture.type,\n value\n );\n this.inputBuffer.depthTexture = this.depthTexture;\n this.outputBuffer = this.inputBuffer.clone();\n }\n }\n getTimer() {\n return this.timer;\n }\n getRenderer() {\n return this.renderer;\n }\n setRenderer(renderer) {\n this.renderer = renderer;\n if (renderer !== null) {\n const size = renderer.getSize(new Vector217());\n const alpha = renderer.getContext().getContextAttributes().alpha;\n const frameBufferType = this.inputBuffer.texture.type;\n if (frameBufferType === UnsignedByteType12 && renderer.outputEncoding === sRGBEncoding8) {\n this.inputBuffer.texture.encoding = sRGBEncoding8;\n this.outputBuffer.texture.encoding = sRGBEncoding8;\n this.inputBuffer.dispose();\n this.outputBuffer.dispose();\n }\n renderer.autoClear = false;\n this.setSize(size.width, size.height);\n for (const pass of this.passes) {\n pass.initialize(renderer, alpha, frameBufferType);\n }\n }\n }\n replaceRenderer(renderer, updateDOM = true) {\n const oldRenderer = this.renderer;\n const parent = oldRenderer.domElement.parentNode;\n this.setRenderer(renderer);\n if (updateDOM && parent !== null) {\n parent.removeChild(oldRenderer.domElement);\n parent.appendChild(renderer.domElement);\n }\n return oldRenderer;\n }\n createDepthTexture() {\n const depthTexture = this.depthTexture = new DepthTexture();\n this.inputBuffer.depthTexture = depthTexture;\n this.inputBuffer.dispose();\n if (this.inputBuffer.stencilBuffer) {\n depthTexture.format = DepthStencilFormat;\n depthTexture.type = UnsignedInt248Type;\n } else {\n depthTexture.type = UnsignedIntType;\n }\n return depthTexture;\n }\n deleteDepthTexture() {\n if (this.depthTexture !== null) {\n this.depthTexture.dispose();\n this.depthTexture = null;\n this.inputBuffer.depthTexture = null;\n this.inputBuffer.dispose();\n for (const pass of this.passes) {\n pass.setDepthTexture(null);\n }\n }\n }\n createBuffer(depthBuffer, stencilBuffer, type, multisampling) {\n const renderer = this.renderer;\n const size = renderer === null ? new Vector217() : renderer.getDrawingBufferSize(new Vector217());\n const options = {\n minFilter: LinearFilter2,\n magFilter: LinearFilter2,\n stencilBuffer,\n depthBuffer,\n type\n };\n let renderTarget;\n if (multisampling > 0) {\n renderTarget = Number(REVISION6.replace(/\\D+/g, \"\")) < 138 ? new WebGLMultisampleRenderTarget(size.width, size.height, options) : new WebGLRenderTarget13(size.width, size.height, options);\n renderTarget.ignoreDepthForMultisampleCopy = false;\n renderTarget.samples = multisampling;\n } else {\n renderTarget = new WebGLRenderTarget13(size.width, size.height, options);\n }\n if (type === UnsignedByteType12 && renderer !== null && renderer.outputEncoding === sRGBEncoding8) {\n renderTarget.texture.encoding = sRGBEncoding8;\n }\n renderTarget.texture.name = \"EffectComposer.Buffer\";\n renderTarget.texture.generateMipmaps = false;\n return renderTarget;\n }\n setMainScene(scene) {\n for (const pass of this.passes) {\n pass.mainScene = scene;\n }\n }\n setMainCamera(camera) {\n for (const pass of this.passes) {\n pass.mainCamera = camera;\n }\n }\n addPass(pass, index) {\n const passes = this.passes;\n const renderer = this.renderer;\n const drawingBufferSize = renderer.getDrawingBufferSize(new Vector217());\n const alpha = renderer.getContext().getContextAttributes().alpha;\n const frameBufferType = this.inputBuffer.texture.type;\n pass.setRenderer(renderer);\n pass.setSize(drawingBufferSize.width, drawingBufferSize.height);\n pass.initialize(renderer, alpha, frameBufferType);\n if (this.autoRenderToScreen) {\n if (passes.length > 0) {\n passes[passes.length - 1].renderToScreen = false;\n }\n if (pass.renderToScreen) {\n this.autoRenderToScreen = false;\n }\n }\n if (index !== void 0) {\n passes.splice(index, 0, pass);\n } else {\n passes.push(pass);\n }\n if (this.autoRenderToScreen) {\n passes[passes.length - 1].renderToScreen = true;\n }\n if (pass.needsDepthTexture || this.depthTexture !== null) {\n if (this.depthTexture === null) {\n const depthTexture = this.createDepthTexture();\n for (pass of passes) {\n pass.setDepthTexture(depthTexture);\n }\n } else {\n pass.setDepthTexture(this.depthTexture);\n }\n }\n }\n removePass(pass) {\n const passes = this.passes;\n const index = passes.indexOf(pass);\n const exists = index !== -1;\n const removed = exists && passes.splice(index, 1).length > 0;\n if (removed) {\n if (this.depthTexture !== null) {\n const reducer = (a, b) => a || b.needsDepthTexture;\n const depthTextureRequired = passes.reduce(reducer, false);\n if (!depthTextureRequired) {\n if (pass.getDepthTexture() === this.depthTexture) {\n pass.setDepthTexture(null);\n }\n this.deleteDepthTexture();\n }\n }\n if (this.autoRenderToScreen) {\n if (index === passes.length) {\n pass.renderToScreen = false;\n if (passes.length > 0) {\n passes[passes.length - 1].renderToScreen = true;\n }\n }\n }\n }\n }\n removeAllPasses() {\n const passes = this.passes;\n this.deleteDepthTexture();\n if (passes.length > 0) {\n if (this.autoRenderToScreen) {\n passes[passes.length - 1].renderToScreen = false;\n }\n this.passes = [];\n }\n }\n render(deltaTime) {\n const renderer = this.renderer;\n const copyPass = this.copyPass;\n let inputBuffer = this.inputBuffer;\n let outputBuffer = this.outputBuffer;\n let stencilTest = false;\n let context, stencil, buffer;\n if (deltaTime === void 0) {\n deltaTime = this.timer.update().getDelta();\n }\n for (const pass of this.passes) {\n if (pass.enabled) {\n pass.render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest);\n if (pass.needsSwap) {\n if (stencilTest) {\n copyPass.renderToScreen = pass.renderToScreen;\n context = renderer.getContext();\n stencil = renderer.state.buffers.stencil;\n stencil.setFunc(context.NOTEQUAL, 1, 4294967295);\n copyPass.render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest);\n stencil.setFunc(context.EQUAL, 1, 4294967295);\n }\n buffer = inputBuffer;\n inputBuffer = outputBuffer;\n outputBuffer = buffer;\n }\n if (pass instanceof MaskPass) {\n stencilTest = true;\n } else if (pass instanceof ClearMaskPass) {\n stencilTest = false;\n }\n }\n }\n }\n setSize(width, height, updateStyle) {\n const renderer = this.renderer;\n const currentSize = renderer.getSize(new Vector217());\n if (width === void 0 || height === void 0) {\n width = currentSize.width;\n height = currentSize.height;\n }\n if (currentSize.width !== width || currentSize.height !== height) {\n renderer.setSize(width, height, updateStyle);\n }\n const drawingBufferSize = renderer.getDrawingBufferSize(new Vector217());\n this.inputBuffer.setSize(drawingBufferSize.width, drawingBufferSize.height);\n this.outputBuffer.setSize(drawingBufferSize.width, drawingBufferSize.height);\n for (const pass of this.passes) {\n pass.setSize(drawingBufferSize.width, drawingBufferSize.height);\n }\n }\n reset() {\n const autoReset = this.timer.isAutoResetEnabled();\n this.dispose();\n this.autoRenderToScreen = true;\n this.timer.setAutoResetEnabled(autoReset);\n }\n dispose() {\n for (const pass of this.passes) {\n pass.dispose();\n }\n this.passes = [];\n if (this.inputBuffer !== null) {\n this.inputBuffer.dispose();\n }\n if (this.outputBuffer !== null) {\n this.outputBuffer.dispose();\n }\n this.deleteDepthTexture();\n this.copyPass.dispose();\n this.timer.dispose();\n }\n};\n\n// src/core/EffectShaderData.js\nimport { LinearEncoding as LinearEncoding2 } from \"three\";\nvar EffectShaderData = class {\n constructor() {\n this.shaderParts = /* @__PURE__ */ new Map([\n [EffectShaderSection.FRAGMENT_HEAD, null],\n [EffectShaderSection.FRAGMENT_MAIN_UV, null],\n [EffectShaderSection.FRAGMENT_MAIN_IMAGE, null],\n [EffectShaderSection.VERTEX_HEAD, null],\n [EffectShaderSection.VERTEX_MAIN_SUPPORT, null]\n ]);\n this.defines = /* @__PURE__ */ new Map();\n this.uniforms = /* @__PURE__ */ new Map();\n this.blendModes = /* @__PURE__ */ new Map();\n this.extensions = /* @__PURE__ */ new Set();\n this.attributes = EffectAttribute.NONE;\n this.varyings = /* @__PURE__ */ new Set();\n this.uvTransformation = false;\n this.readDepth = false;\n this.colorSpace = LinearEncoding2;\n }\n};\n\n// src/core/GaussKernel.js\nfunction getCoefficients(n) {\n let result;\n if (n === 0) {\n result = new Float64Array(0);\n } else if (n === 1) {\n result = new Float64Array([1]);\n } else if (n > 1) {\n let row0 = new Float64Array(n);\n let row1 = new Float64Array(n);\n for (let y = 1; y <= n; ++y) {\n for (let x = 0; x < y; ++x) {\n row1[x] = x === 0 || x === y - 1 ? 1 : row0[x - 1] + row0[x];\n }\n result = row1;\n row1 = row0;\n row0 = result;\n }\n }\n return result;\n}\nvar GaussKernel = class {\n constructor(kernelSize, edgeBias = 2) {\n this.weights = null;\n this.offsets = null;\n this.linearWeights = null;\n this.linearOffsets = null;\n this.generate(kernelSize, edgeBias);\n }\n get steps() {\n return this.offsets === null ? 0 : this.offsets.length;\n }\n get linearSteps() {\n return this.linearOffsets === null ? 0 : this.linearOffsets.length;\n }\n generate(kernelSize, edgeBias) {\n if (kernelSize < 3 || kernelSize > 1020) {\n throw new Error(\"The kernel size must be in the range [3, 1020]\");\n }\n const n = kernelSize + edgeBias * 2;\n const coefficients = edgeBias > 0 ? getCoefficients(n).slice(edgeBias, -edgeBias) : getCoefficients(n);\n const mid = Math.floor((coefficients.length - 1) / 2);\n const sum = coefficients.reduce((a, b) => a + b, 0);\n const weights = coefficients.slice(mid);\n const offsets = [...Array(mid + 1).keys()];\n const linearWeights = new Float64Array(Math.floor(offsets.length / 2));\n const linearOffsets = new Float64Array(linearWeights.length);\n linearWeights[0] = weights[0] / sum;\n for (let i = 1, j = 1, l = offsets.length - 1; i < l; i += 2, ++j) {\n const offset0 = offsets[i], offset1 = offsets[i + 1];\n const weight0 = weights[i], weight1 = weights[i + 1];\n const w = weight0 + weight1;\n const o = (offset0 * weight0 + offset1 * weight1) / w;\n linearWeights[j] = w / sum;\n linearOffsets[j] = o;\n }\n for (let i = 0, l = weights.length, s = 1 / sum; i < l; ++i) {\n weights[i] *= s;\n }\n const linearWeightSum = (linearWeights.reduce((a, b) => a + b, 0) - linearWeights[0] * 0.5) * 2;\n if (linearWeightSum !== 0) {\n for (let i = 0, l = linearWeights.length, s = 1 / linearWeightSum; i < l; ++i) {\n linearWeights[i] *= s;\n }\n }\n this.offsets = offsets;\n this.weights = weights;\n this.linearOffsets = linearOffsets;\n this.linearWeights = linearWeights;\n }\n};\n\n// src/core/Initializable.js\nvar Initializable = class {\n initialize(renderer, alpha, frameBufferType) {\n }\n};\n\n// src/core/Resizable.js\nvar Resizable = class {\n setSize(width, height) {\n }\n};\n\n// src/core/Selection.js\nvar Selection = class extends Set {\n constructor(iterable, layer = 10) {\n super();\n this.l = layer;\n this.exclusive = false;\n if (iterable !== void 0) {\n this.set(iterable);\n }\n }\n get layer() {\n return this.l;\n }\n set layer(value) {\n const currentLayer = this.l;\n for (const object of this) {\n object.layers.disable(currentLayer);\n object.layers.enable(value);\n }\n this.l = value;\n }\n getLayer() {\n return this.layer;\n }\n setLayer(value) {\n this.layer = value;\n }\n isExclusive() {\n return this.exclusive;\n }\n setExclusive(value) {\n this.exclusive = value;\n }\n clear() {\n const layer = this.layer;\n for (const object of this) {\n object.layers.disable(layer);\n }\n return super.clear();\n }\n set(objects) {\n this.clear();\n for (const object of objects) {\n this.add(object);\n }\n return this;\n }\n indexOf(object) {\n return this.has(object) ? 0 : -1;\n }\n add(object) {\n if (this.exclusive) {\n object.layers.set(this.layer);\n } else {\n object.layers.enable(this.layer);\n }\n return super.add(object);\n }\n delete(object) {\n if (this.has(object)) {\n object.layers.disable(this.layer);\n }\n return super.delete(object);\n }\n toggle(object) {\n let result;\n if (this.has(object)) {\n this.delete(object);\n result = false;\n } else {\n this.add(object);\n result = true;\n }\n return result;\n }\n setVisible(visible) {\n for (const object of this) {\n if (visible) {\n object.layers.enable(0);\n } else {\n object.layers.disable(0);\n }\n }\n return this;\n }\n};\n\n// src/effects/blending/BlendMode.js\nimport { EventDispatcher as EventDispatcher2, Uniform as Uniform23 } from \"three\";\n\n// src/effects/blending/glsl/add.frag\nvar add_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x+y,opacity);}\";\n\n// src/effects/blending/glsl/alpha.frag\nvar alpha_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y,min(y.a,opacity));}\";\n\n// src/effects/blending/glsl/average.frag\nvar average_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,(x+y)*0.5,opacity);}\";\n\n// src/effects/blending/glsl/color.frag\nvar color_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(yHSL.rg,xHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}\";\n\n// src/effects/blending/glsl/color-burn.frag\nvar color_burn_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(step(0.0,y)*(1.0-min(vec4(1.0),(1.0-x)/y)),vec4(1.0),step(1.0,x));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/color-dodge.frag\nvar color_dodge_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=step(0.0,x)*mix(min(vec4(1.0),x/max(1.0-y,1e-9)),vec4(1.0),step(1.0,y));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/darken.frag\nvar darken_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,min(x,y),opacity);}\";\n\n// src/effects/blending/glsl/difference.frag\nvar difference_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,abs(x-y),opacity);}\";\n\n// src/effects/blending/glsl/divide.frag\nvar divide_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x/max(y,1e-12),opacity);}\";\n\n// src/effects/blending/glsl/exclusion.frag\nvar exclusion_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,(x+y-2.0*x*y),opacity);}\";\n\n// src/effects/blending/glsl/hard-light.frag\nvar hard_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 a=min(x,1.0),b=min(y,1.0);vec4 z=mix(2.0*a*b,1.0-2.0*(1.0-a)*(1.0-b),step(0.5,y));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/hard-mix.frag\nvar hard_mix_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,step(1.0,x+y),opacity);}\";\n\n// src/effects/blending/glsl/hue.frag\nvar hue_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(yHSL.r,xHSL.gb));return vec4(mix(x.rgb,z,opacity),y.a);}\";\n\n// src/effects/blending/glsl/invert.frag\nvar invert_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,1.0-y,opacity);}\";\n\n// src/effects/blending/glsl/invert-rgb.frag\nvar invert_rgb_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y*(1.0-x),opacity);}\";\n\n// src/effects/blending/glsl/lighten.frag\nvar lighten_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,max(x,y),opacity);}\";\n\n// src/effects/blending/glsl/linear-burn.frag\nvar linear_burn_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,clamp(y+x-1.0,0.0,1.0),opacity);}\";\n\n// src/effects/blending/glsl/linear-dodge.frag\nvar linear_dodge_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,min(x+y,1.0),opacity);}\";\n\n// src/effects/blending/glsl/linear-light.frag\nvar linear_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,clamp(2.0*y+x-1.0,0.0,1.0),opacity);}\";\n\n// src/effects/blending/glsl/luminosity.frag\nvar luminosity_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(xHSL.rg,yHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}\";\n\n// src/effects/blending/glsl/multiply.frag\nvar multiply_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x*y,opacity);}\";\n\n// src/effects/blending/glsl/negation.frag\nvar negation_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,1.0-abs(1.0-x-y),opacity);}\";\n\n// src/effects/blending/glsl/normal.frag\nvar normal_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y,opacity);}\";\n\n// src/effects/blending/glsl/overlay.frag\nvar overlay_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(2.0*y*x,1.0-2.0*(1.0-y)*(1.0-x),step(0.5,x));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/pin-light.frag\nvar pin_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 y2=2.0*y;vec4 z=mix(mix(y2,x,step(0.5*x,y)),max(vec4(0.0),y2-1.0),step(x,(y2-1.0)));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/reflect.frag\nvar reflect_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(min(x*x/max(1.0-y,1e-12),1.0),y,step(1.0,y));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/saturation.frag\nvar saturation_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(xHSL.r,yHSL.g,xHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}\";\n\n// src/effects/blending/glsl/screen.frag\nvar screen_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x+y-min(x*y,1.0),opacity);}\";\n\n// src/effects/blending/glsl/soft-light.frag\nvar soft_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 y2=2.0*y;vec4 w=step(0.5,y);vec4 z=mix(x-(1.0-y2)*x*(1.0-x),mix(x+(y2-1.0)*(sqrt(x)-x),x+(y2-1.0)*x*((16.0*x-12.0)*x+3.0),w*(1.0-step(0.25,x))),w);return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/src.frag\nvar src_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return y;}\";\n\n// src/effects/blending/glsl/subtract.frag\nvar subtract_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,max(x+y-1.0,0.0),opacity);}\";\n\n// src/effects/blending/glsl/vivid-light.frag\nvar vivid_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(max(1.0-min((1.0-x)/(2.0*y),1.0),0.0),min(x/(2.0*(1.0-y)),1.0),step(0.5,y));return mix(x,z,opacity);}\";\n\n// src/effects/blending/BlendMode.js\nvar blendFunctions = /* @__PURE__ */ new Map([\n [BlendFunction.ADD, add_default],\n [BlendFunction.ALPHA, alpha_default],\n [BlendFunction.AVERAGE, average_default],\n [BlendFunction.COLOR, color_default],\n [BlendFunction.COLOR_BURN, color_burn_default],\n [BlendFunction.COLOR_DODGE, color_dodge_default],\n [BlendFunction.DARKEN, darken_default],\n [BlendFunction.DIFFERENCE, difference_default],\n [BlendFunction.DIVIDE, divide_default],\n [BlendFunction.DST, null],\n [BlendFunction.EXCLUSION, exclusion_default],\n [BlendFunction.HARD_LIGHT, hard_light_default],\n [BlendFunction.HARD_MIX, hard_mix_default],\n [BlendFunction.HUE, hue_default],\n [BlendFunction.INVERT, invert_default],\n [BlendFunction.INVERT_RGB, invert_rgb_default],\n [BlendFunction.LIGHTEN, lighten_default],\n [BlendFunction.LINEAR_BURN, linear_burn_default],\n [BlendFunction.LINEAR_DODGE, linear_dodge_default],\n [BlendFunction.LINEAR_LIGHT, linear_light_default],\n [BlendFunction.LUMINOSITY, luminosity_default],\n [BlendFunction.MULTIPLY, multiply_default],\n [BlendFunction.NEGATION, negation_default],\n [BlendFunction.NORMAL, normal_default],\n [BlendFunction.OVERLAY, overlay_default],\n [BlendFunction.PIN_LIGHT, pin_light_default],\n [BlendFunction.REFLECT, reflect_default],\n [BlendFunction.SATURATION, saturation_default],\n [BlendFunction.SCREEN, screen_default],\n [BlendFunction.SOFT_LIGHT, soft_light_default],\n [BlendFunction.SRC, src_default],\n [BlendFunction.SUBTRACT, subtract_default],\n [BlendFunction.VIVID_LIGHT, vivid_light_default]\n]);\nvar BlendMode = class extends EventDispatcher2 {\n constructor(blendFunction, opacity = 1) {\n super();\n this._blendFunction = blendFunction;\n this.opacity = new Uniform23(opacity);\n }\n getOpacity() {\n return this.opacity.value;\n }\n setOpacity(value) {\n this.opacity.value = value;\n }\n get blendFunction() {\n return this._blendFunction;\n }\n set blendFunction(value) {\n this._blendFunction = value;\n this.dispatchEvent({ type: \"change\" });\n }\n getBlendFunction() {\n return this.blendFunction;\n }\n setBlendFunction(value) {\n this.blendFunction = value;\n }\n getShaderCode() {\n return blendFunctions.get(this.blendFunction);\n }\n};\n\n// src/effects/BloomEffect.js\nimport { sRGBEncoding as sRGBEncoding9, Uniform as Uniform24, WebGLRenderTarget as WebGLRenderTarget15 } from \"three\";\n\n// src/effects/Effect.js\nimport { BasicDepthPacking as BasicDepthPacking13, EventDispatcher as EventDispatcher3, LinearEncoding as LinearEncoding3, Material as Material2, Texture as Texture2, WebGLRenderTarget as WebGLRenderTarget14 } from \"three\";\nvar Effect = class extends EventDispatcher3 {\n constructor(name, fragmentShader, {\n attributes = EffectAttribute.NONE,\n blendFunction = BlendFunction.NORMAL,\n defines = /* @__PURE__ */ new Map(),\n uniforms = /* @__PURE__ */ new Map(),\n extensions = null,\n vertexShader = null\n } = {}) {\n super();\n this.name = name;\n this.renderer = null;\n this.attributes = attributes;\n this.fragmentShader = fragmentShader;\n this.vertexShader = vertexShader;\n this.defines = defines;\n this.uniforms = uniforms;\n this.extensions = extensions;\n this.blendMode = new BlendMode(blendFunction);\n this.blendMode.addEventListener(\"change\", (event) => this.setChanged());\n this._inputColorSpace = LinearEncoding3;\n this._outputColorSpace = null;\n }\n get inputColorSpace() {\n return this._inputColorSpace;\n }\n set inputColorSpace(value) {\n this._inputColorSpace = value;\n this.setChanged();\n }\n get outputColorSpace() {\n return this._outputColorSpace;\n }\n set outputColorSpace(value) {\n this._outputColorSpace = value;\n this.setChanged();\n }\n set mainScene(value) {\n }\n set mainCamera(value) {\n }\n getName() {\n return this.name;\n }\n setRenderer(renderer) {\n this.renderer = renderer;\n }\n getDefines() {\n return this.defines;\n }\n getUniforms() {\n return this.uniforms;\n }\n getExtensions() {\n return this.extensions;\n }\n getBlendMode() {\n return this.blendMode;\n }\n getAttributes() {\n return this.attributes;\n }\n setAttributes(attributes) {\n this.attributes = attributes;\n this.setChanged();\n }\n getFragmentShader() {\n return this.fragmentShader;\n }\n setFragmentShader(fragmentShader) {\n this.fragmentShader = fragmentShader;\n this.setChanged();\n }\n getVertexShader() {\n return this.vertexShader;\n }\n setVertexShader(vertexShader) {\n this.vertexShader = vertexShader;\n this.setChanged();\n }\n setChanged() {\n this.dispatchEvent({ type: \"change\" });\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking13) {\n }\n update(renderer, inputBuffer, deltaTime) {\n }\n setSize(width, height) {\n }\n initialize(renderer, alpha, frameBufferType) {\n }\n dispose() {\n for (const key of Object.keys(this)) {\n const property = this[key];\n const isDisposable = property instanceof WebGLRenderTarget14 || property instanceof Material2 || property instanceof Texture2 || property instanceof Pass;\n if (isDisposable) {\n this[key].dispose();\n }\n }\n }\n};\n\n// src/effects/glsl/bloom.frag\nvar bloom_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nuniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=texture2D(map,uv)*intensity;}\";\n\n// src/effects/BloomEffect.js\nvar BloomEffect = class extends Effect {\n constructor({\n blendFunction = BlendFunction.SCREEN,\n luminanceThreshold = 0.9,\n luminanceSmoothing = 0.025,\n mipmapBlur = false,\n intensity = 1,\n radius = 0.85,\n levels = 8,\n kernelSize = KernelSize.LARGE,\n resolutionScale = 0.5,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"BloomEffect\", bloom_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"map\", new Uniform24(null)],\n [\"intensity\", new Uniform24(intensity)]\n ])\n });\n this.renderTarget = new WebGLRenderTarget15(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"Bloom.Target\";\n this.blurPass = new KawaseBlurPass({ kernelSize });\n this.luminancePass = new LuminancePass({ colorOutput: true });\n this.luminanceMaterial.threshold = luminanceThreshold;\n this.luminanceMaterial.smoothing = luminanceSmoothing;\n this.mipmapBlurPass = new MipmapBlurPass();\n this.mipmapBlurPass.enabled = mipmapBlur;\n this.mipmapBlurPass.radius = radius;\n this.mipmapBlurPass.levels = levels;\n this.uniforms.get(\"map\").value = mipmapBlur ? this.mipmapBlurPass.texture : this.renderTarget.texture;\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n get texture() {\n return this.mipmapBlurPass.enabled ? this.mipmapBlurPass.texture : this.renderTarget.texture;\n }\n getTexture() {\n return this.texture;\n }\n getResolution() {\n return this.resolution;\n }\n getBlurPass() {\n return this.blurPass;\n }\n getLuminancePass() {\n return this.luminancePass;\n }\n get luminanceMaterial() {\n return this.luminancePass.fullscreenMaterial;\n }\n getLuminanceMaterial() {\n return this.luminancePass.fullscreenMaterial;\n }\n get width() {\n return this.resolution.width;\n }\n set width(value) {\n this.resolution.preferredWidth = value;\n }\n get height() {\n return this.resolution.height;\n }\n set height(value) {\n this.resolution.preferredHeight = value;\n }\n get dithering() {\n return this.blurPass.dithering;\n }\n set dithering(value) {\n this.blurPass.dithering = value;\n }\n get kernelSize() {\n return this.blurPass.kernelSize;\n }\n set kernelSize(value) {\n this.blurPass.kernelSize = value;\n }\n get distinction() {\n console.warn(this.name, \"distinction was removed\");\n return 1;\n }\n set distinction(value) {\n console.warn(this.name, \"distinction was removed\");\n }\n get intensity() {\n return this.uniforms.get(\"intensity\").value;\n }\n set intensity(value) {\n this.uniforms.get(\"intensity\").value = value;\n }\n getIntensity() {\n return this.intensity;\n }\n setIntensity(value) {\n this.intensity = value;\n }\n getResolutionScale() {\n return this.resolution.scale;\n }\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n update(renderer, inputBuffer, deltaTime) {\n const renderTarget = this.renderTarget;\n const luminancePass = this.luminancePass;\n if (luminancePass.enabled) {\n luminancePass.render(renderer, inputBuffer);\n if (this.mipmapBlurPass.enabled) {\n this.mipmapBlurPass.render(renderer, luminancePass.renderTarget);\n } else {\n this.blurPass.render(renderer, luminancePass.renderTarget, renderTarget);\n }\n } else {\n if (this.mipmapBlurPass.enabled) {\n this.mipmapBlurPass.render(renderer, inputBuffer);\n } else {\n this.blurPass.render(renderer, inputBuffer, renderTarget);\n }\n }\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n this.blurPass.resolution.copy(resolution);\n this.luminancePass.setSize(width, height);\n this.mipmapBlurPass.setSize(width, height);\n }\n initialize(renderer, alpha, frameBufferType) {\n this.blurPass.initialize(renderer, alpha, frameBufferType);\n this.luminancePass.initialize(renderer, alpha, frameBufferType);\n this.mipmapBlurPass.initialize(renderer, alpha, frameBufferType);\n if (frameBufferType !== void 0) {\n this.renderTarget.texture.type = frameBufferType;\n if (renderer.outputEncoding === sRGBEncoding9) {\n this.renderTarget.texture.encoding = sRGBEncoding9;\n }\n }\n }\n};\n\n// src/effects/BokehEffect.js\nimport { Uniform as Uniform25 } from \"three\";\n\n// src/effects/glsl/bokeh.frag\nvar bokeh_default = \"uniform float focus;uniform float dof;uniform float aperture;uniform float maxBlur;void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){vec2 aspectCorrection=vec2(1.0,aspect);\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(depth,cameraNear,cameraFar);float linearDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearDepth=depth;\\n#endif\\nfloat focusNear=clamp(focus-dof,0.0,1.0);float focusFar=clamp(focus+dof,0.0,1.0);float low=step(linearDepth,focusNear);float high=step(focusFar,linearDepth);float factor=(linearDepth-focusNear)*low+(linearDepth-focusFar)*high;vec2 dofBlur=vec2(clamp(factor*aperture,-maxBlur,maxBlur));vec2 dofblur9=dofBlur*0.9;vec2 dofblur7=dofBlur*0.7;vec2 dofblur4=dofBlur*0.4;vec4 color=inputColor;color+=texture2D(inputBuffer,uv+(vec2(0.0,0.4)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.15,0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.29,0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.37,0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.40,0.0)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.37,-0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.29,-0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.15,-0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.0,-0.4)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.15,0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.29,0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.37,0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.4,0.0)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.37,-0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.29,-0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.15,-0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.15,0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.37,0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.37,-0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.15,-0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.15,0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.37,0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.37,-0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.15,-0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.29,0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.40,0.0)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.29,-0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.0,-0.4)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(-0.29,0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(-0.4,0.0)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(-0.29,-0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.0,0.4)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.29,0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.4,0.0)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.29,-0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.0,-0.4)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(-0.29,0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(-0.4,0.0)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(-0.29,-0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.0,0.4)*aspectCorrection)*dofblur4);outputColor=color/41.0;}\";\n\n// src/effects/BokehEffect.js\nvar BokehEffect = class extends Effect {\n constructor({\n blendFunction,\n focus = 0.5,\n dof = 0.02,\n aperture = 0.015,\n maxBlur = 1\n } = {}) {\n super(\"BokehEffect\", bokeh_default, {\n blendFunction,\n attributes: EffectAttribute.CONVOLUTION | EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"focus\", new Uniform25(focus)],\n [\"dof\", new Uniform25(dof)],\n [\"aperture\", new Uniform25(aperture)],\n [\"maxBlur\", new Uniform25(maxBlur)]\n ])\n });\n }\n};\n\n// src/effects/BrightnessContrastEffect.js\nimport { sRGBEncoding as sRGBEncoding10, Uniform as Uniform26 } from \"three\";\n\n// src/effects/glsl/brightness-contrast.frag\nvar brightness_contrast_default = \"uniform float brightness;uniform float contrast;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=inputColor.rgb+vec3(brightness-0.5);if(contrast>0.0){color/=vec3(1.0-contrast);}else{color*=vec3(1.0+contrast);}outputColor=vec4(color+vec3(0.5),inputColor.a);}\";\n\n// src/effects/BrightnessContrastEffect.js\nvar BrightnessContrastEffect = class extends Effect {\n constructor({ blendFunction = BlendFunction.SRC, brightness = 0, contrast = 0 } = {}) {\n super(\"BrightnessContrastEffect\", brightness_contrast_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"brightness\", new Uniform26(brightness)],\n [\"contrast\", new Uniform26(contrast)]\n ])\n });\n this.inputColorSpace = sRGBEncoding10;\n }\n get brightness() {\n return this.uniforms.get(\"brightness\").value;\n }\n set brightness(value) {\n this.uniforms.get(\"brightness\").value = value;\n }\n getBrightness(value) {\n return this.brightness;\n }\n setBrightness(value) {\n this.brightness = value;\n }\n get contrast() {\n return this.uniforms.get(\"contrast\").value;\n }\n set contrast(value) {\n this.uniforms.get(\"contrast\").value = value;\n }\n getContrast(value) {\n return this.contrast;\n }\n setContrast(value) {\n this.contrast = value;\n }\n};\n\n// src/effects/glsl/color-average.frag\nvar color_average_default = \"void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=vec4(vec3(average(inputColor.rgb)),inputColor.a);}\";\n\n// src/effects/ColorAverageEffect.js\nvar ColorAverageEffect = class extends Effect {\n constructor(blendFunction) {\n super(\"ColorAverageEffect\", color_average_default, { blendFunction });\n }\n};\n\n// src/effects/ColorDepthEffect.js\nimport { Uniform as Uniform27 } from \"three\";\n\n// src/effects/glsl/color-depth.frag\nvar color_depth_default = \"uniform float factor;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=vec4(floor(inputColor.rgb*factor+0.5)/factor,inputColor.a);}\";\n\n// src/effects/ColorDepthEffect.js\nvar ColorDepthEffect = class extends Effect {\n constructor({ blendFunction, bits = 16 } = {}) {\n super(\"ColorDepthEffect\", color_depth_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"factor\", new Uniform27(1)]\n ])\n });\n this.bits = 0;\n this.bitDepth = bits;\n }\n get bitDepth() {\n return this.bits;\n }\n set bitDepth(value) {\n this.bits = value;\n this.uniforms.get(\"factor\").value = Math.pow(2, value / 3);\n }\n getBitDepth() {\n return this.bitDepth;\n }\n setBitDepth(value) {\n this.bitDepth = value;\n }\n};\n\n// src/effects/ChromaticAberrationEffect.js\nimport { Uniform as Uniform28, Vector2 as Vector218 } from \"three\";\n\n// src/effects/glsl/chromatic-aberration.frag\nvar chromatic_aberration_default = \"#ifdef RADIAL_MODULATION\\nuniform float modulationOffset;\\n#endif\\nvarying float vActive;varying vec2 vUvR;varying vec2 vUvB;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec2 ra=inputColor.ra;vec2 ba=inputColor.ba;\\n#ifdef RADIAL_MODULATION\\nconst vec2 center=vec2(0.5);float d=distance(uv,center)*2.0;d=max(d-modulationOffset,0.0);if(vActive>0.0&&d>0.0){ra=texture2D(inputBuffer,mix(uv,vUvR,d)).ra;ba=texture2D(inputBuffer,mix(uv,vUvB,d)).ba;}\\n#else\\nif(vActive>0.0){ra=texture2D(inputBuffer,vUvR).ra;ba=texture2D(inputBuffer,vUvB).ba;}\\n#endif\\noutputColor=vec4(ra.x,inputColor.g,ba.x,max(max(ra.y,ba.y),inputColor.a));}\";\n\n// src/effects/glsl/chromatic-aberration.vert\nvar chromatic_aberration_default2 = \"uniform vec2 offset;varying float vActive;varying vec2 vUvR;varying vec2 vUvB;void mainSupport(const in vec2 uv){vec2 shift=offset*vec2(1.0,aspect);vActive=(shift.x!=0.0||shift.y!=0.0)?1.0:0.0;vUvR=uv+shift;vUvB=uv-shift;}\";\n\n// src/effects/ChromaticAberrationEffect.js\nvar ChromaticAberrationEffect = class extends Effect {\n constructor({\n offset = new Vector218(1e-3, 5e-4),\n radialModulation = false,\n modulationOffset = 0.15\n } = {}) {\n super(\"ChromaticAberrationEffect\", chromatic_aberration_default, {\n vertexShader: chromatic_aberration_default2,\n attributes: EffectAttribute.CONVOLUTION,\n uniforms: /* @__PURE__ */ new Map([\n [\"offset\", new Uniform28(offset)],\n [\"modulationOffset\", new Uniform28(modulationOffset)]\n ])\n });\n this.radialModulation = radialModulation;\n }\n get offset() {\n return this.uniforms.get(\"offset\").value;\n }\n set offset(value) {\n this.uniforms.get(\"offset\").value = value;\n }\n get radialModulation() {\n return this.defines.has(\"RADIAL_MODULATION\");\n }\n set radialModulation(value) {\n if (value) {\n this.defines.set(\"RADIAL_MODULATION\", \"1\");\n } else {\n this.defines.delete(\"RADIAL_MODULATION\");\n }\n this.setChanged();\n }\n get modulationOffset() {\n return this.uniforms.get(\"modulationOffset\").value;\n }\n set modulationOffset(value) {\n this.uniforms.get(\"modulationOffset\").value = value;\n }\n getOffset() {\n return this.offset;\n }\n setOffset(value) {\n this.offset = value;\n }\n};\n\n// src/effects/glsl/depth.frag\nvar depth_default = \"void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){\\n#ifdef INVERTED\\nvec3 color=vec3(1.0-depth);\\n#else\\nvec3 color=vec3(depth);\\n#endif\\noutputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/DepthEffect.js\nvar DepthEffect = class extends Effect {\n constructor({ blendFunction = BlendFunction.SRC, inverted = false } = {}) {\n super(\"DepthEffect\", depth_default, {\n blendFunction,\n attributes: EffectAttribute.DEPTH\n });\n this.inverted = inverted;\n }\n get inverted() {\n return this.defines.has(\"INVERTED\");\n }\n set inverted(value) {\n if (this.inverted !== value) {\n if (value) {\n this.defines.set(\"INVERTED\", \"1\");\n } else {\n this.defines.delete(\"INVERTED\");\n }\n this.setChanged();\n }\n }\n isInverted() {\n return this.inverted;\n }\n setInverted(value) {\n this.inverted = value;\n }\n};\n\n// src/effects/DepthOfFieldEffect.js\nimport { BasicDepthPacking as BasicDepthPacking14, sRGBEncoding as sRGBEncoding11, Uniform as Uniform29, UnsignedByteType as UnsignedByteType13, WebGLRenderTarget as WebGLRenderTarget16 } from \"three\";\n\n// src/effects/glsl/depth-of-field.frag\nvar depth_of_field_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D nearColorBuffer;uniform mediump sampler2D farColorBuffer;\\n#else\\nuniform lowp sampler2D nearColorBuffer;uniform lowp sampler2D farColorBuffer;\\n#endif\\nuniform lowp sampler2D nearCoCBuffer;uniform float scale;void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){vec4 colorNear=texture2D(nearColorBuffer,uv);vec4 colorFar=texture2D(farColorBuffer,uv);float cocNear=texture2D(nearCoCBuffer,uv).r;cocNear=min(cocNear*scale,1.0);vec4 result=inputColor*(1.0-colorFar.a)+colorFar;result=mix(result,colorNear,cocNear);outputColor=result;}\";\n\n// src/effects/DepthOfFieldEffect.js\nvar DepthOfFieldEffect = class extends Effect {\n constructor(camera, {\n blendFunction,\n worldFocusDistance,\n worldFocusRange,\n focusDistance = 0,\n focalLength = 0.1,\n focusRange = focalLength,\n bokehScale = 1,\n resolutionScale = 1,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"DepthOfFieldEffect\", depth_of_field_default, {\n blendFunction,\n attributes: EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"nearColorBuffer\", new Uniform29(null)],\n [\"farColorBuffer\", new Uniform29(null)],\n [\"nearCoCBuffer\", new Uniform29(null)],\n [\"scale\", new Uniform29(1)]\n ])\n });\n this.camera = camera;\n this.renderTarget = new WebGLRenderTarget16(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"DoF.Intermediate\";\n this.renderTargetMasked = this.renderTarget.clone();\n this.renderTargetMasked.texture.name = \"DoF.Masked.Far\";\n this.renderTargetNear = this.renderTarget.clone();\n this.renderTargetNear.texture.name = \"DoF.Bokeh.Near\";\n this.uniforms.get(\"nearColorBuffer\").value = this.renderTargetNear.texture;\n this.renderTargetFar = this.renderTarget.clone();\n this.renderTargetFar.texture.name = \"DoF.Bokeh.Far\";\n this.uniforms.get(\"farColorBuffer\").value = this.renderTargetFar.texture;\n this.renderTargetCoC = this.renderTarget.clone();\n this.renderTargetCoC.texture.name = \"DoF.CoC\";\n this.renderTargetCoCBlurred = this.renderTargetCoC.clone();\n this.renderTargetCoCBlurred.texture.name = \"DoF.CoC.Blurred\";\n this.uniforms.get(\"nearCoCBuffer\").value = this.renderTargetCoCBlurred.texture;\n this.cocPass = new ShaderPass(new CircleOfConfusionMaterial(camera));\n const cocMaterial = this.cocMaterial;\n cocMaterial.focusDistance = focusDistance;\n cocMaterial.focusRange = focusRange;\n if (worldFocusDistance !== void 0) {\n cocMaterial.worldFocusDistance = worldFocusDistance;\n }\n if (worldFocusRange !== void 0) {\n cocMaterial.worldFocusRange = worldFocusRange;\n }\n this.blurPass = new KawaseBlurPass({ resolutionScale, resolutionX, resolutionY, kernelSize: KernelSize.MEDIUM });\n this.maskPass = new ShaderPass(new MaskMaterial(this.renderTargetCoC.texture));\n const maskMaterial = this.maskPass.fullscreenMaterial;\n maskMaterial.maskFunction = MaskFunction.MULTIPLY;\n maskMaterial.colorChannel = ColorChannel.GREEN;\n this.bokehNearBasePass = new ShaderPass(new BokehMaterial(false, true));\n this.bokehNearBasePass.fullscreenMaterial.cocBuffer = this.renderTargetCoCBlurred.texture;\n this.bokehNearFillPass = new ShaderPass(new BokehMaterial(true, true));\n this.bokehNearFillPass.fullscreenMaterial.cocBuffer = this.renderTargetCoCBlurred.texture;\n this.bokehFarBasePass = new ShaderPass(new BokehMaterial(false, false));\n this.bokehFarBasePass.fullscreenMaterial.cocBuffer = this.renderTargetCoC.texture;\n this.bokehFarFillPass = new ShaderPass(new BokehMaterial(true, false));\n this.bokehFarFillPass.fullscreenMaterial.cocBuffer = this.renderTargetCoC.texture;\n this.target = null;\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.bokehScale = bokehScale;\n }\n set mainCamera(value) {\n this.camera = value;\n this.cocMaterial.copyCameraSettings(value);\n }\n get cocTexture() {\n return this.renderTargetCoC.texture;\n }\n get cocMaterial() {\n return this.cocPass.fullscreenMaterial;\n }\n get circleOfConfusionMaterial() {\n return this.cocMaterial;\n }\n getCircleOfConfusionMaterial() {\n return this.circleOfConfusionMaterial;\n }\n getBlurPass() {\n return this.blurPass;\n }\n getResolution() {\n return this.resolution;\n }\n get bokehScale() {\n return this.uniforms.get(\"scale\").value;\n }\n set bokehScale(value) {\n this.bokehNearBasePass.fullscreenMaterial.scale = value;\n this.bokehNearFillPass.fullscreenMaterial.scale = value;\n this.bokehFarBasePass.fullscreenMaterial.scale = value;\n this.bokehFarFillPass.fullscreenMaterial.scale = value;\n this.maskPass.fullscreenMaterial.strength = value;\n this.uniforms.get(\"scale\").value = value;\n }\n getBokehScale() {\n return this.bokehScale;\n }\n setBokehScale(value) {\n this.bokehScale = value;\n }\n getTarget() {\n return this.target;\n }\n setTarget(value) {\n this.target = value;\n }\n calculateFocusDistance(target) {\n const camera = this.camera;\n const distance = camera.position.distanceTo(target);\n return viewZToOrthographicDepth(-distance, camera.near, camera.far);\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking14) {\n this.circleOfConfusionMaterial.depthBuffer = depthTexture;\n this.circleOfConfusionMaterial.depthPacking = depthPacking;\n }\n update(renderer, inputBuffer, deltaTime) {\n const renderTarget = this.renderTarget;\n const renderTargetCoC = this.renderTargetCoC;\n const renderTargetCoCBlurred = this.renderTargetCoCBlurred;\n const renderTargetMasked = this.renderTargetMasked;\n if (this.target !== null) {\n const distance = this.calculateFocusDistance(this.target);\n this.circleOfConfusionMaterial.focusDistance = distance;\n }\n this.cocPass.render(renderer, null, renderTargetCoC);\n this.blurPass.render(renderer, renderTargetCoC, renderTargetCoCBlurred);\n this.maskPass.render(renderer, inputBuffer, renderTargetMasked);\n this.bokehFarBasePass.render(renderer, renderTargetMasked, renderTarget);\n this.bokehFarFillPass.render(renderer, renderTarget, this.renderTargetFar);\n this.bokehNearBasePass.render(renderer, inputBuffer, renderTarget);\n this.bokehNearFillPass.render(renderer, renderTarget, this.renderTargetNear);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.cocPass.setSize(width, height);\n this.blurPass.setSize(width, height);\n this.maskPass.setSize(width, height);\n this.renderTargetCoC.setSize(width, height);\n this.renderTargetMasked.setSize(width, height);\n this.renderTarget.setSize(w, h);\n this.renderTargetNear.setSize(w, h);\n this.renderTargetFar.setSize(w, h);\n this.renderTargetCoCBlurred.setSize(w, h);\n this.bokehNearBasePass.fullscreenMaterial.setSize(width, height);\n this.bokehNearFillPass.fullscreenMaterial.setSize(width, height);\n this.bokehFarBasePass.fullscreenMaterial.setSize(width, height);\n this.bokehFarFillPass.fullscreenMaterial.setSize(width, height);\n }\n initialize(renderer, alpha, frameBufferType) {\n this.cocPass.initialize(renderer, alpha, frameBufferType);\n this.maskPass.initialize(renderer, alpha, frameBufferType);\n this.bokehNearBasePass.initialize(renderer, alpha, frameBufferType);\n this.bokehNearFillPass.initialize(renderer, alpha, frameBufferType);\n this.bokehFarBasePass.initialize(renderer, alpha, frameBufferType);\n this.bokehFarFillPass.initialize(renderer, alpha, frameBufferType);\n this.blurPass.initialize(renderer, alpha, UnsignedByteType13);\n if (frameBufferType !== void 0) {\n this.renderTarget.texture.type = frameBufferType;\n this.renderTargetNear.texture.type = frameBufferType;\n this.renderTargetFar.texture.type = frameBufferType;\n this.renderTargetMasked.texture.type = frameBufferType;\n if (renderer.outputEncoding === sRGBEncoding11) {\n this.renderTarget.texture.encoding = sRGBEncoding11;\n this.renderTargetNear.texture.encoding = sRGBEncoding11;\n this.renderTargetFar.texture.encoding = sRGBEncoding11;\n this.renderTargetMasked.texture.encoding = sRGBEncoding11;\n }\n }\n }\n};\n\n// src/effects/DotScreenEffect.js\nimport { Uniform as Uniform30, Vector2 as Vector219 } from \"three\";\n\n// src/effects/glsl/dot-screen.frag\nvar dot_screen_default = \"uniform vec2 angle;uniform float scale;float pattern(const in vec2 uv){vec2 point=scale*vec2(dot(angle.yx,vec2(uv.x,-uv.y)),dot(angle,uv));return(sin(point.x)*sin(point.y))*4.0;}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=vec3(inputColor.rgb*10.0-5.0+pattern(uv*resolution));outputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/DotScreenEffect.js\nvar DotScreenEffect = class extends Effect {\n constructor({ blendFunction, angle = Math.PI * 0.5, scale = 1 } = {}) {\n super(\"DotScreenEffect\", dot_screen_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"angle\", new Uniform30(new Vector219())],\n [\"scale\", new Uniform30(scale)]\n ])\n });\n this.angle = angle;\n }\n get angle() {\n return Math.acos(this.uniforms.get(\"angle\").value.y);\n }\n set angle(value) {\n this.uniforms.get(\"angle\").value.set(Math.sin(value), Math.cos(value));\n }\n getAngle() {\n return this.angle;\n }\n setAngle(value) {\n this.angle = value;\n }\n get scale() {\n return this.uniforms.get(\"scale\").value;\n }\n set scale(value) {\n this.uniforms.get(\"scale\").value = value;\n }\n};\n\n// src/effects/glsl/fxaa.frag\nvar fxaa_default = \"\\n#if THREE_REVISION < 143\\n#define luminance(v) linearToRelativeLuminance(v)\\n#endif\\n#define QUALITY(q) ((q) < 5 ? 1.0 : ((q) > 5 ? ((q) < 10 ? 2.0 : ((q) < 11 ? 4.0 : 8.0)) : 1.5))\\n#define ONE_OVER_TWELVE 0.08333333333333333\\nvarying vec2 vUvDown;varying vec2 vUvUp;varying vec2 vUvLeft;varying vec2 vUvRight;varying vec2 vUvDownLeft;varying vec2 vUvUpRight;varying vec2 vUvUpLeft;varying vec2 vUvDownRight;vec4 fxaa(const in vec4 inputColor,const in vec2 uv){float lumaCenter=luminance(inputColor.rgb);float lumaDown=luminance(texture2D(inputBuffer,vUvDown).rgb);float lumaUp=luminance(texture2D(inputBuffer,vUvUp).rgb);float lumaLeft=luminance(texture2D(inputBuffer,vUvLeft).rgb);float lumaRight=luminance(texture2D(inputBuffer,vUvRight).rgb);float lumaMin=min(lumaCenter,min(min(lumaDown,lumaUp),min(lumaLeft,lumaRight)));float lumaMax=max(lumaCenter,max(max(lumaDown,lumaUp),max(lumaLeft,lumaRight)));float lumaRange=lumaMax-lumaMin;if(lumaRange=edgeVertical);float stepLength=isHorizontal?texelSize.y:texelSize.x;float luma1=isHorizontal?lumaDown:lumaLeft;float luma2=isHorizontal?lumaUp:lumaRight;float gradient1=abs(luma1-lumaCenter);float gradient2=abs(luma2-lumaCenter);bool is1Steepest=gradient1>=gradient2;float gradientScaled=0.25*max(gradient1,gradient2);float lumaLocalAverage=0.0;if(is1Steepest){stepLength=-stepLength;lumaLocalAverage=0.5*(luma1+lumaCenter);}else{lumaLocalAverage=0.5*(luma2+lumaCenter);}vec2 currentUv=uv;if(isHorizontal){currentUv.y+=stepLength*0.5;}else{currentUv.x+=stepLength*0.5;}vec2 offset=isHorizontal?vec2(texelSize.x,0.0):vec2(0.0,texelSize.y);vec2 uv1=currentUv-offset*QUALITY(0);vec2 uv2=currentUv+offset*QUALITY(0);float lumaEnd1=luminance(texture2D(inputBuffer,uv1).rgb);float lumaEnd2=luminance(texture2D(inputBuffer,uv2).rgb);lumaEnd1-=lumaLocalAverage;lumaEnd2-=lumaLocalAverage;bool reached1=abs(lumaEnd1)>=gradientScaled;bool reached2=abs(lumaEnd2)>=gradientScaled;bool reachedBoth=reached1&&reached2;if(!reached1){uv1-=offset*QUALITY(1);}if(!reached2){uv2+=offset*QUALITY(1);}if(!reachedBoth){for(int i=2;i=gradientScaled;reached2=abs(lumaEnd2)>=gradientScaled;reachedBoth=reached1&&reached2;if(!reached1){uv1-=offset*QUALITY(i);}if(!reached2){uv2+=offset*QUALITY(i);}if(reachedBoth){break;}}}float distance1=isHorizontal?(uv.x-uv1.x):(uv.y-uv1.y);float distance2=isHorizontal?(uv2.x-uv.x):(uv2.y-uv.y);bool isDirection1=distance1distortion.x-columns*random){float sx=clamp(ceil(seeds.x),0.0,1.0);uv.y=sx*(1.0-(uv.y+distortion.y))+(1.0-sx)*distortion.y;}if(uv.xdistortion.y-columns*random){float sy=clamp(ceil(seeds.y),0.0,1.0);uv.x=sy*distortion.x+(1.0-sy)*(1.0-(uv.x+distortion.x));}vec2 normal=texture2D(perturbationMap,uv*random*random).rg;uv+=normal*seeds*(random*0.2);}}\";\n\n// src/effects/GlitchEffect.js\nvar textureTag = \"Glitch.Generated\";\nfunction randomFloat(low, high) {\n return low + Math.random() * (high - low);\n}\nvar GlitchEffect = class extends Effect {\n constructor({\n chromaticAberrationOffset = null,\n delay = new Vector220(1.5, 3.5),\n duration = new Vector220(0.6, 1),\n strength = new Vector220(0.3, 1),\n columns = 0.05,\n ratio = 0.85,\n perturbationMap = null,\n dtSize = 64\n } = {}) {\n super(\"GlitchEffect\", glitch_default, {\n uniforms: /* @__PURE__ */ new Map([\n [\"perturbationMap\", new Uniform32(null)],\n [\"columns\", new Uniform32(columns)],\n [\"active\", new Uniform32(false)],\n [\"random\", new Uniform32(1)],\n [\"seeds\", new Uniform32(new Vector220())],\n [\"distortion\", new Uniform32(new Vector220())]\n ])\n });\n if (perturbationMap === null) {\n const map = new NoiseTexture(dtSize, dtSize, RGBAFormat3);\n map.name = textureTag;\n this.perturbationMap = map;\n } else {\n this.perturbationMap = perturbationMap;\n }\n this.time = 0;\n this.distortion = this.uniforms.get(\"distortion\").value;\n this.delay = delay;\n this.duration = duration;\n this.breakPoint = new Vector220(\n randomFloat(this.delay.x, this.delay.y),\n randomFloat(this.duration.x, this.duration.y)\n );\n this.strength = strength;\n this.mode = GlitchMode.SPORADIC;\n this.ratio = ratio;\n this.chromaticAberrationOffset = chromaticAberrationOffset;\n }\n get seeds() {\n return this.uniforms.get(\"seeds\").value;\n }\n get active() {\n return this.uniforms.get(\"active\").value;\n }\n isActive() {\n return this.active;\n }\n get minDelay() {\n return this.delay.x;\n }\n set minDelay(value) {\n this.delay.x = value;\n }\n getMinDelay() {\n return this.delay.x;\n }\n setMinDelay(value) {\n this.delay.x = value;\n }\n get maxDelay() {\n return this.delay.y;\n }\n set maxDelay(value) {\n this.delay.y = value;\n }\n getMaxDelay() {\n return this.delay.y;\n }\n setMaxDelay(value) {\n this.delay.y = value;\n }\n get minDuration() {\n return this.duration.x;\n }\n set minDuration(value) {\n this.duration.x = value;\n }\n getMinDuration() {\n return this.duration.x;\n }\n setMinDuration(value) {\n this.duration.x = value;\n }\n get maxDuration() {\n return this.duration.y;\n }\n set maxDuration(value) {\n this.duration.y = value;\n }\n getMaxDuration() {\n return this.duration.y;\n }\n setMaxDuration(value) {\n this.duration.y = value;\n }\n get minStrength() {\n return this.strength.x;\n }\n set minStrength(value) {\n this.strength.x = value;\n }\n getMinStrength() {\n return this.strength.x;\n }\n setMinStrength(value) {\n this.strength.x = value;\n }\n get maxStrength() {\n return this.strength.y;\n }\n set maxStrength(value) {\n this.strength.y = value;\n }\n getMaxStrength() {\n return this.strength.y;\n }\n setMaxStrength(value) {\n this.strength.y = value;\n }\n getMode() {\n return this.mode;\n }\n setMode(value) {\n this.mode = value;\n }\n getGlitchRatio() {\n return 1 - this.ratio;\n }\n setGlitchRatio(value) {\n this.ratio = Math.min(Math.max(1 - value, 0), 1);\n }\n get columns() {\n return this.uniforms.get(\"columns\").value;\n }\n set columns(value) {\n this.uniforms.get(\"columns\").value = value;\n }\n getGlitchColumns() {\n return this.columns;\n }\n setGlitchColumns(value) {\n this.columns = value;\n }\n getChromaticAberrationOffset() {\n return this.chromaticAberrationOffset;\n }\n setChromaticAberrationOffset(value) {\n this.chromaticAberrationOffset = value;\n }\n get perturbationMap() {\n return this.uniforms.get(\"perturbationMap\").value;\n }\n set perturbationMap(value) {\n const currentMap = this.perturbationMap;\n if (currentMap !== null && currentMap.name === textureTag) {\n currentMap.dispose();\n }\n value.minFilter = value.magFilter = NearestFilter6;\n value.wrapS = value.wrapT = RepeatWrapping;\n value.generateMipmaps = false;\n this.uniforms.get(\"perturbationMap\").value = value;\n }\n getPerturbationMap() {\n return this.perturbationMap;\n }\n setPerturbationMap(value) {\n this.perturbationMap = value;\n }\n generatePerturbationMap(value = 64) {\n const map = new NoiseTexture(value, value, RGBAFormat3);\n map.name = textureTag;\n return map;\n }\n update(renderer, inputBuffer, deltaTime) {\n const mode = this.mode;\n const breakPoint = this.breakPoint;\n const offset = this.chromaticAberrationOffset;\n const s = this.strength;\n let time = this.time;\n let active = false;\n let r = 0, a = 0;\n let trigger;\n if (mode !== GlitchMode.DISABLED) {\n if (mode === GlitchMode.SPORADIC) {\n time += deltaTime;\n trigger = time > breakPoint.x;\n if (time >= breakPoint.x + breakPoint.y) {\n breakPoint.set(\n randomFloat(this.delay.x, this.delay.y),\n randomFloat(this.duration.x, this.duration.y)\n );\n time = 0;\n }\n }\n r = Math.random();\n this.uniforms.get(\"random\").value = r;\n if (trigger && r > this.ratio || mode === GlitchMode.CONSTANT_WILD) {\n active = true;\n r *= s.y * 0.03;\n a = randomFloat(-Math.PI, Math.PI);\n this.seeds.set(randomFloat(-s.y, s.y), randomFloat(-s.y, s.y));\n this.distortion.set(randomFloat(0, 1), randomFloat(0, 1));\n } else if (trigger || mode === GlitchMode.CONSTANT_MILD) {\n active = true;\n r *= s.x * 0.03;\n a = randomFloat(-Math.PI, Math.PI);\n this.seeds.set(randomFloat(-s.x, s.x), randomFloat(-s.x, s.x));\n this.distortion.set(randomFloat(0, 1), randomFloat(0, 1));\n }\n this.time = time;\n }\n if (offset !== null) {\n if (active) {\n offset.set(Math.cos(a), Math.sin(a)).multiplyScalar(r);\n } else {\n offset.set(0, 0);\n }\n }\n this.uniforms.get(\"active\").value = active;\n }\n dispose() {\n const map = this.perturbationMap;\n if (map !== null && map.name === textureTag) {\n map.dispose();\n }\n }\n};\n\n// src/effects/GodRaysEffect.js\nimport {\n BasicDepthPacking as BasicDepthPacking15,\n Color as Color4,\n DepthTexture as DepthTexture2,\n Matrix4 as Matrix42,\n Scene as Scene2,\n sRGBEncoding as sRGBEncoding12,\n Uniform as Uniform33,\n Vector2 as Vector221,\n Vector3,\n WebGLRenderTarget as WebGLRenderTarget17\n} from \"three\";\n\n// src/effects/glsl/god-rays.frag\nvar god_rays_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=texture2D(map,uv);}\";\n\n// src/effects/GodRaysEffect.js\nvar v = new Vector3();\nvar m = new Matrix42();\nvar GodRaysEffect = class extends Effect {\n constructor(camera, lightSource, {\n blendFunction = BlendFunction.SCREEN,\n samples = 60,\n density = 0.96,\n decay = 0.9,\n weight = 0.4,\n exposure = 0.6,\n clampMax = 1,\n blur = true,\n kernelSize = KernelSize.SMALL,\n resolutionScale = 0.5,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"GodRaysEffect\", god_rays_default, {\n blendFunction,\n attributes: EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"map\", new Uniform33(null)]\n ])\n });\n this.camera = camera;\n this.lightSource = lightSource;\n this.lightSource.material.depthWrite = false;\n this.lightSource.material.transparent = true;\n this.lightScene = new Scene2();\n this.screenPosition = new Vector221();\n this.renderTargetA = new WebGLRenderTarget17(1, 1, { depthBuffer: false });\n this.renderTargetA.texture.name = \"GodRays.Target.A\";\n this.renderTargetB = this.renderTargetA.clone();\n this.renderTargetB.texture.name = \"GodRays.Target.B\";\n this.uniforms.get(\"map\").value = this.renderTargetB.texture;\n this.renderTargetLight = new WebGLRenderTarget17(1, 1);\n this.renderTargetLight.texture.name = \"GodRays.Light\";\n this.renderTargetLight.depthTexture = new DepthTexture2();\n this.renderPassLight = new RenderPass(this.lightScene, camera);\n this.renderPassLight.clearPass.overrideClearColor = new Color4(0);\n this.clearPass = new ClearPass(true, false, false);\n this.clearPass.overrideClearColor = new Color4(0);\n this.blurPass = new KawaseBlurPass({ kernelSize });\n this.blurPass.enabled = blur;\n this.depthMaskPass = new ShaderPass(new DepthMaskMaterial());\n const depthMaskMaterial = this.depthMaskMaterial;\n depthMaskMaterial.depthBuffer1 = this.renderTargetLight.depthTexture;\n depthMaskMaterial.copyCameraSettings(camera);\n this.godRaysPass = new ShaderPass(new GodRaysMaterial(this.screenPosition));\n const godRaysMaterial = this.godRaysMaterial;\n godRaysMaterial.density = density;\n godRaysMaterial.decay = decay;\n godRaysMaterial.weight = weight;\n godRaysMaterial.exposure = exposure;\n godRaysMaterial.maxIntensity = clampMax;\n godRaysMaterial.samples = samples;\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n set mainCamera(value) {\n this.camera = value;\n this.renderPassLight.mainCamera = value;\n this.depthMaskMaterial.copyCameraSettings(value);\n }\n getBlurPass() {\n return this.blurPass;\n }\n get texture() {\n return this.renderTargetB.texture;\n }\n getTexture() {\n return this.texture;\n }\n get depthMaskMaterial() {\n return this.depthMaskPass.fullscreenMaterial;\n }\n get godRaysMaterial() {\n return this.godRaysPass.fullscreenMaterial;\n }\n getGodRaysMaterial() {\n return this.godRaysMaterial;\n }\n getResolution() {\n return this.resolution;\n }\n get width() {\n return this.resolution.width;\n }\n set width(value) {\n this.resolution.preferredWidth = value;\n }\n get height() {\n return this.resolution.height;\n }\n set height(value) {\n this.resolution.preferredHeight = value;\n }\n get dithering() {\n return this.godRaysMaterial.dithering;\n }\n set dithering(value) {\n const material = this.godRaysMaterial;\n material.dithering = value;\n material.needsUpdate = true;\n }\n get blur() {\n return this.blurPass.enabled;\n }\n set blur(value) {\n this.blurPass.enabled = value;\n }\n get kernelSize() {\n return this.blurPass.kernelSize;\n }\n set kernelSize(value) {\n this.blurPass.kernelSize = value;\n }\n getResolutionScale() {\n return this.resolution.scale;\n }\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n get samples() {\n return this.godRaysMaterial.samples;\n }\n set samples(value) {\n this.godRaysMaterial.samples = value;\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking15) {\n this.depthMaskPass.fullscreenMaterial.depthBuffer0 = depthTexture;\n this.depthMaskPass.fullscreenMaterial.depthPacking0 = depthPacking;\n }\n update(renderer, inputBuffer, deltaTime) {\n const lightSource = this.lightSource;\n const parent = lightSource.parent;\n const matrixAutoUpdate = lightSource.matrixAutoUpdate;\n const renderTargetA = this.renderTargetA;\n const renderTargetLight = this.renderTargetLight;\n lightSource.material.depthWrite = true;\n lightSource.matrixAutoUpdate = false;\n lightSource.updateWorldMatrix(true, false);\n if (parent !== null) {\n if (!matrixAutoUpdate) {\n m.copy(lightSource.matrix);\n }\n lightSource.matrix.copy(lightSource.matrixWorld);\n }\n this.lightScene.add(lightSource);\n this.renderPassLight.render(renderer, renderTargetLight);\n this.clearPass.render(renderer, renderTargetA);\n this.depthMaskPass.render(renderer, renderTargetLight, renderTargetA);\n lightSource.material.depthWrite = false;\n lightSource.matrixAutoUpdate = matrixAutoUpdate;\n if (parent !== null) {\n if (!matrixAutoUpdate) {\n lightSource.matrix.copy(m);\n }\n parent.add(lightSource);\n }\n v.setFromMatrixPosition(lightSource.matrixWorld).project(this.camera);\n this.screenPosition.set(\n Math.min(Math.max((v.x + 1) * 0.5, -1), 2),\n Math.min(Math.max((v.y + 1) * 0.5, -1), 2)\n );\n if (this.blurPass.enabled) {\n this.blurPass.render(renderer, renderTargetA, renderTargetA);\n }\n this.godRaysPass.render(renderer, renderTargetA, this.renderTargetB);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.renderTargetA.setSize(w, h);\n this.renderTargetB.setSize(w, h);\n this.renderTargetLight.setSize(w, h);\n this.blurPass.resolution.copy(resolution);\n }\n initialize(renderer, alpha, frameBufferType) {\n this.blurPass.initialize(renderer, alpha, frameBufferType);\n this.renderPassLight.initialize(renderer, alpha, frameBufferType);\n this.depthMaskPass.initialize(renderer, alpha, frameBufferType);\n this.godRaysPass.initialize(renderer, alpha, frameBufferType);\n if (frameBufferType !== void 0) {\n this.renderTargetA.texture.type = frameBufferType;\n this.renderTargetB.texture.type = frameBufferType;\n this.renderTargetLight.texture.type = frameBufferType;\n if (renderer.outputEncoding === sRGBEncoding12) {\n this.renderTargetA.texture.encoding = sRGBEncoding12;\n this.renderTargetB.texture.encoding = sRGBEncoding12;\n this.renderTargetLight.texture.encoding = sRGBEncoding12;\n }\n }\n }\n};\n\n// src/effects/GridEffect.js\nimport { Uniform as Uniform34, Vector2 as Vector222 } from \"three\";\n\n// src/effects/glsl/grid.frag\nvar grid_default = \"uniform vec2 scale;uniform float lineWidth;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){float grid=0.5-max(abs(mod(uv.x*scale.x,1.0)-0.5),abs(mod(uv.y*scale.y,1.0)-0.5));outputColor=vec4(vec3(smoothstep(0.0,lineWidth,grid)),inputColor.a);}\";\n\n// src/effects/GridEffect.js\nvar GridEffect = class extends Effect {\n constructor({ blendFunction = BlendFunction.OVERLAY, scale = 1, lineWidth = 0 } = {}) {\n super(\"GridEffect\", grid_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"scale\", new Uniform34(new Vector222())],\n [\"lineWidth\", new Uniform34(lineWidth)]\n ])\n });\n this.resolution = new Vector222();\n this.s = 0;\n this.scale = scale;\n this.l = 0;\n this.lineWidth = lineWidth;\n }\n get scale() {\n return this.s;\n }\n set scale(value) {\n this.s = Math.max(value, 1e-6);\n this.setSize(this.resolution.width, this.resolution.height);\n }\n getScale() {\n return this.scale;\n }\n setScale(value) {\n this.scale = value;\n }\n get lineWidth() {\n return this.l;\n }\n set lineWidth(value) {\n this.l = value;\n this.setSize(this.resolution.width, this.resolution.height);\n }\n getLineWidth() {\n return this.lineWidth;\n }\n setLineWidth(value) {\n this.lineWidth = value;\n }\n setSize(width, height) {\n this.resolution.set(width, height);\n const aspect = width / height;\n const scale = this.scale * (height * 0.125);\n this.uniforms.get(\"scale\").value.set(aspect * scale, scale);\n this.uniforms.get(\"lineWidth\").value = scale / height + this.lineWidth;\n }\n};\n\n// src/effects/HueSaturationEffect.js\nimport { Uniform as Uniform35, Vector3 as Vector32 } from \"three\";\n\n// src/effects/glsl/hue-saturation.frag\nvar hue_saturation_default = \"uniform vec3 hue;uniform float saturation;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=vec3(dot(inputColor.rgb,hue.xyz),dot(inputColor.rgb,hue.zxy),dot(inputColor.rgb,hue.yzx));float average=(color.r+color.g+color.b)/3.0;vec3 diff=average-color;if(saturation>0.0){color+=diff*(1.0-1.0/(1.001-saturation));}else{color+=diff*-saturation;}outputColor=vec4(min(color,1.0),inputColor.a);}\";\n\n// src/effects/HueSaturationEffect.js\nvar HueSaturationEffect = class extends Effect {\n constructor({ blendFunction = BlendFunction.SRC, hue = 0, saturation = 0 } = {}) {\n super(\"HueSaturationEffect\", hue_saturation_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"hue\", new Uniform35(new Vector32())],\n [\"saturation\", new Uniform35(saturation)]\n ])\n });\n this.hue = hue;\n }\n get saturation() {\n return this.uniforms.get(\"saturation\").value;\n }\n set saturation(value) {\n this.uniforms.get(\"saturation\").value = value;\n }\n getSaturation() {\n return this.saturation;\n }\n setSaturation(value) {\n this.saturation = value;\n }\n get hue() {\n const hue = this.uniforms.get(\"hue\").value;\n return Math.acos((hue.x * 3 - 1) / 2);\n }\n set hue(value) {\n const s = Math.sin(value), c2 = Math.cos(value);\n this.uniforms.get(\"hue\").value.set(\n (2 * c2 + 1) / 3,\n (-Math.sqrt(3) * s - c2 + 1) / 3,\n (Math.sqrt(3) * s - c2 + 1) / 3\n );\n }\n getHue() {\n return this.hue;\n }\n setHue(value) {\n this.hue = value;\n }\n};\n\n// src/effects/LUT1DEffect.js\nimport { FloatType as FloatType4, HalfFloatType, Uniform as Uniform36 } from \"three\";\n\n// src/effects/glsl/lut-1d.frag\nvar lut_1d_default = \"#ifdef LUT_PRECISION_HIGH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D lut;\\n#else\\nuniform mediump sampler2D lut;\\n#endif\\n#else\\nuniform lowp sampler2D lut;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=vec4(texture2D(lut,vec2(inputColor.r,0.5)).r,texture2D(lut,vec2(inputColor.g,0.5)).r,texture2D(lut,vec2(inputColor.b,0.5)).r,inputColor.a);}\";\n\n// src/effects/LUT1DEffect.js\nvar LUT1DEffect = class extends Effect {\n constructor(lut, { blendFunction = BlendFunction.SRC } = {}) {\n super(\"LUT1DEffect\", lut_1d_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([[\"lut\", new Uniform36(null)]])\n });\n this.lut = lut;\n }\n get lut() {\n return this.uniforms.get(\"lut\").value;\n }\n set lut(value) {\n this.uniforms.get(\"lut\").value = value;\n if (value !== null && (value.type === FloatType4 || value.type === HalfFloatType)) {\n this.defines.set(\"LUT_PRECISION_HIGH\", \"1\");\n }\n }\n};\n\n// src/effects/LUT3DEffect.js\nimport {\n DataTexture3D as DataTexture3D2,\n FloatType as FloatType6,\n HalfFloatType as HalfFloatType2,\n LinearFilter as LinearFilter4,\n NearestFilter as NearestFilter7,\n sRGBEncoding as sRGBEncoding14,\n Uniform as Uniform37,\n Vector3 as Vector34\n} from \"three\";\n\n// src/textures/lut/LookupTexture.js\nimport {\n Color as Color5,\n ClampToEdgeWrapping,\n DataTexture as DataTexture2,\n DataTexture3D,\n FloatType as FloatType5,\n LinearFilter as LinearFilter3,\n LinearEncoding as LinearEncoding4,\n RGBAFormat as RGBAFormat4,\n sRGBEncoding as sRGBEncoding13,\n UnsignedByteType as UnsignedByteType15,\n Vector3 as Vector33\n} from \"three\";\n\n// src/textures/RawImageData.js\nfunction createCanvas(width, height, data) {\n const canvas = document.createElement(\"canvas\");\n const context = canvas.getContext(\"2d\");\n canvas.width = width;\n canvas.height = height;\n if (data instanceof Image) {\n context.drawImage(data, 0, 0);\n } else {\n const imageData = context.createImageData(width, height);\n imageData.data.set(data);\n context.putImageData(imageData, 0, 0);\n }\n return canvas;\n}\nvar RawImageData = class {\n constructor(width = 0, height = 0, data = null) {\n this.width = width;\n this.height = height;\n this.data = data;\n }\n toCanvas() {\n return typeof document === \"undefined\" ? null : createCanvas(this.width, this.height, this.data);\n }\n static from(image) {\n const { width, height } = image;\n let data;\n if (image instanceof Image) {\n const canvas = createCanvas(width, height, image);\n if (canvas !== null) {\n const context = canvas.getContext(\"2d\");\n data = context.getImageData(0, 0, width, height).data;\n }\n } else {\n data = image.data;\n }\n return new RawImageData(width, height, data);\n }\n};\n\n// tmp/lut/worker.txt\nvar worker_default = '\"use strict\";(()=>{var O=Math.pow;var _={SCALE_UP:\"lut.scaleup\"};var k=[new Float32Array(3),new Float32Array(3)],n=[new Float32Array(3),new Float32Array(3),new Float32Array(3),new Float32Array(3)],Z=[[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([0,1,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([0,1,1]),new Float32Array([1,1,1])]];function d(a,t,r,m){let i=r[0]-t[0],e=r[1]-t[1],y=r[2]-t[2],h=a[0]-t[0],A=a[1]-t[1],w=a[2]-t[2],c=e*w-y*A,l=y*h-i*w,x=i*A-e*h,u=Math.sqrt(c*c+l*l+x*x),b=u*.5,s=c/u,F=l/u,f=x/u,p=-(a[0]*s+a[1]*F+a[2]*f),M=m[0]*s+m[1]*F+m[2]*f;return Math.abs(M+p)*b/3}function V(a,t,r,m,i,e){let y=(r+m*t+i*t*t)*4;e[0]=a[y+0],e[1]=a[y+1],e[2]=a[y+2]}function j(a,t,r,m,i,e){let y=r*(t-1),h=m*(t-1),A=i*(t-1),w=Math.floor(y),c=Math.floor(h),l=Math.floor(A),x=Math.ceil(y),u=Math.ceil(h),b=Math.ceil(A),s=y-w,F=h-c,f=A-l;if(w===y&&c===h&&l===A)V(a,t,y,h,A,e);else{let p;s>=F&&F>=f?p=Z[0]:s>=f&&f>=F?p=Z[1]:f>=s&&s>=F?p=Z[2]:F>=s&&s>=f?p=Z[3]:F>=f&&f>=s?p=Z[4]:f>=F&&F>=s&&(p=Z[5]);let[M,g,X,Y]=p,P=k[0];P[0]=s,P[1]=F,P[2]=f;let o=k[1],L=x-w,S=u-c,U=b-l;o[0]=L*M[0]+w,o[1]=S*M[1]+c,o[2]=U*M[2]+l,V(a,t,o[0],o[1],o[2],n[0]),o[0]=L*g[0]+w,o[1]=S*g[1]+c,o[2]=U*g[2]+l,V(a,t,o[0],o[1],o[2],n[1]),o[0]=L*X[0]+w,o[1]=S*X[1]+c,o[2]=U*X[2]+l,V(a,t,o[0],o[1],o[2],n[2]),o[0]=L*Y[0]+w,o[1]=S*Y[1]+c,o[2]=U*Y[2]+l,V(a,t,o[0],o[1],o[2],n[3]);let T=d(g,X,Y,P)*6,q=d(M,X,Y,P)*6,C=d(M,g,Y,P)*6,E=d(M,g,X,P)*6;n[0][0]*=T,n[0][1]*=T,n[0][2]*=T,n[1][0]*=q,n[1][1]*=q,n[1][2]*=q,n[2][0]*=C,n[2][1]*=C,n[2][2]*=C,n[3][0]*=E,n[3][1]*=E,n[3][2]*=E,e[0]=n[0][0]+n[1][0]+n[2][0]+n[3][0],e[1]=n[0][1]+n[1][1]+n[2][1]+n[3][1],e[2]=n[0][2]+n[1][2]+n[2][2]+n[3][2]}}var v=class{static expand(t,r){let m=Math.cbrt(t.length/4),i=new Float32Array(3),e=new t.constructor(O(r,3)*4),y=t instanceof Uint8Array?255:1,h=O(r,2),A=1/(r-1);for(let w=0;w{let t=a.data,r=t.data;switch(t.operation){case _.SCALE_UP:r=v.expand(r,t.size);break}postMessage(r,[r.buffer]),close()});})();\\n';\n\n// src/textures/lut/LookupTexture.js\nvar c = new Color5();\nvar LookupTexture = class extends DataTexture3D {\n constructor(data, size) {\n super(data, size, size, size);\n this.type = FloatType5;\n this.format = RGBAFormat4;\n this.encoding = LinearEncoding4;\n this.minFilter = LinearFilter3;\n this.magFilter = LinearFilter3;\n this.wrapS = ClampToEdgeWrapping;\n this.wrapT = ClampToEdgeWrapping;\n this.wrapR = ClampToEdgeWrapping;\n this.unpackAlignment = 1;\n this.needsUpdate = true;\n this.domainMin = new Vector33(0, 0, 0);\n this.domainMax = new Vector33(1, 1, 1);\n }\n get isLookupTexture3D() {\n return true;\n }\n scaleUp(size, transferData = true) {\n const image = this.image;\n let promise;\n if (size <= image.width) {\n promise = Promise.reject(new Error(\"The target size must be greater than the current size\"));\n } else {\n promise = new Promise((resolve, reject) => {\n const workerURL = URL.createObjectURL(new Blob([worker_default], {\n type: \"text/javascript\"\n }));\n const worker = new Worker(workerURL);\n worker.addEventListener(\"error\", (event) => reject(event.error));\n worker.addEventListener(\"message\", (event) => {\n const lut = new LookupTexture(event.data, size);\n lut.encoding = this.encoding;\n lut.type = this.type;\n lut.name = this.name;\n URL.revokeObjectURL(workerURL);\n resolve(lut);\n });\n const transferList = transferData ? [image.data.buffer] : [];\n worker.postMessage({\n operation: LUTOperation.SCALE_UP,\n data: image.data,\n size\n }, transferList);\n });\n }\n return promise;\n }\n applyLUT(lut) {\n const img0 = this.image;\n const img1 = lut.image;\n const size0 = Math.min(img0.width, img0.height, img0.depth);\n const size1 = Math.min(img1.width, img1.height, img1.depth);\n if (size0 !== size1) {\n console.error(\"Size mismatch\");\n } else if (lut.type !== FloatType5 || this.type !== FloatType5) {\n console.error(\"Both LUTs must be FloatType textures\");\n } else if (lut.format !== RGBAFormat4 || this.format !== RGBAFormat4) {\n console.error(\"Both LUTs must be RGBA textures\");\n } else {\n const data0 = img0.data;\n const data1 = img1.data;\n const size = size0;\n const sizeSq = size ** 2;\n const s = size - 1;\n for (let i = 0, l = size ** 3; i < l; ++i) {\n const i4 = i * 4;\n const r = data0[i4 + 0] * s;\n const g = data0[i4 + 1] * s;\n const b = data0[i4 + 2] * s;\n const iRGB = Math.round(r + g * size + b * sizeSq) * 4;\n data0[i4 + 0] = data1[iRGB + 0];\n data0[i4 + 1] = data1[iRGB + 1];\n data0[i4 + 2] = data1[iRGB + 2];\n }\n this.needsUpdate = true;\n }\n return this;\n }\n convertToUint8() {\n if (this.type === FloatType5) {\n const floatData = this.image.data;\n const uint8Data = new Uint8Array(floatData.length);\n for (let i = 0, l = floatData.length; i < l; ++i) {\n uint8Data[i] = floatData[i] * 255 + 0.5;\n }\n this.image.data = uint8Data;\n this.type = UnsignedByteType15;\n this.needsUpdate = true;\n }\n return this;\n }\n convertToFloat() {\n if (this.type === UnsignedByteType15) {\n const uint8Data = this.image.data;\n const floatData = new Float32Array(uint8Data.length);\n for (let i = 0, l = uint8Data.length; i < l; ++i) {\n floatData[i] = uint8Data[i] / 255;\n }\n this.image.data = floatData;\n this.type = FloatType5;\n this.needsUpdate = true;\n }\n return this;\n }\n convertToRGBA() {\n console.warn(\"LookupTexture\", \"convertToRGBA() is deprecated, LUTs are now RGBA by default\");\n return this;\n }\n convertLinearToSRGB() {\n const data = this.image.data;\n if (this.type === FloatType5) {\n for (let i = 0, l = data.length; i < l; i += 4) {\n c.fromArray(data, i).convertLinearToSRGB().toArray(data, i);\n }\n this.encoding = sRGBEncoding13;\n this.needsUpdate = true;\n } else {\n console.error(\"Color space conversion requires FloatType data\");\n }\n return this;\n }\n convertSRGBToLinear() {\n const data = this.image.data;\n if (this.type === FloatType5) {\n for (let i = 0, l = data.length; i < l; i += 4) {\n c.fromArray(data, i).convertSRGBToLinear().toArray(data, i);\n }\n this.encoding = LinearEncoding4;\n this.needsUpdate = true;\n } else {\n console.error(\"Color space conversion requires FloatType data\");\n }\n return this;\n }\n toDataTexture() {\n const width = this.image.width;\n const height = this.image.height * this.image.depth;\n const texture = new DataTexture2(this.image.data, width, height);\n texture.name = this.name;\n texture.type = this.type;\n texture.format = this.format;\n texture.encoding = this.encoding;\n texture.minFilter = LinearFilter3;\n texture.magFilter = LinearFilter3;\n texture.wrapS = this.wrapS;\n texture.wrapT = this.wrapT;\n texture.generateMipmaps = false;\n texture.needsUpdate = true;\n return texture;\n }\n static from(texture) {\n const image = texture.image;\n const { width, height } = image;\n const size = Math.min(width, height);\n let data;\n if (image instanceof Image) {\n const rawImageData = RawImageData.from(image);\n const src = rawImageData.data;\n if (width > height) {\n data = new Uint8Array(src.length);\n for (let z = 0; z < size; ++z) {\n for (let y = 0; y < size; ++y) {\n for (let x = 0; x < size; ++x) {\n const i4 = (x + z * size + y * size * size) * 4;\n const j4 = (x + y * size + z * size * size) * 4;\n data[j4 + 0] = src[i4 + 0];\n data[j4 + 1] = src[i4 + 1];\n data[j4 + 2] = src[i4 + 2];\n data[j4 + 3] = src[i4 + 3];\n }\n }\n }\n } else {\n data = new Uint8Array(src.buffer);\n }\n } else {\n data = image.data.slice();\n }\n const lut = new LookupTexture(data, size);\n lut.encoding = texture.encoding;\n lut.type = texture.type;\n lut.name = texture.name;\n return lut;\n }\n static createNeutral(size) {\n const data = new Float32Array(size ** 3 * 4);\n const sizeSq = size ** 2;\n const s = 1 / (size - 1);\n for (let r = 0; r < size; ++r) {\n for (let g = 0; g < size; ++g) {\n for (let b = 0; b < size; ++b) {\n const i4 = (r + g * size + b * sizeSq) * 4;\n data[i4 + 0] = r * s;\n data[i4 + 1] = g * s;\n data[i4 + 2] = b * s;\n data[i4 + 3] = 1;\n }\n }\n }\n const lut = new LookupTexture(data, size);\n lut.name = \"neutral\";\n return lut;\n }\n};\n\n// src/textures/lut/TetrahedralUpscaler.js\nvar P = [\n new Float32Array(3),\n new Float32Array(3)\n];\nvar C = [\n new Float32Array(3),\n new Float32Array(3),\n new Float32Array(3),\n new Float32Array(3)\n];\nvar T = [\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([1, 0, 0]),\n new Float32Array([1, 1, 0]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([1, 0, 0]),\n new Float32Array([1, 0, 1]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([0, 0, 1]),\n new Float32Array([1, 0, 1]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([0, 1, 0]),\n new Float32Array([1, 1, 0]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([0, 1, 0]),\n new Float32Array([0, 1, 1]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([0, 0, 1]),\n new Float32Array([0, 1, 1]),\n new Float32Array([1, 1, 1])\n ]\n];\nfunction calculateTetrahedronVolume(a, b, c2, d) {\n const bcX = c2[0] - b[0];\n const bcY = c2[1] - b[1];\n const bcZ = c2[2] - b[2];\n const baX = a[0] - b[0];\n const baY = a[1] - b[1];\n const baZ = a[2] - b[2];\n const crossX = bcY * baZ - bcZ * baY;\n const crossY = bcZ * baX - bcX * baZ;\n const crossZ = bcX * baY - bcY * baX;\n const length = Math.sqrt(crossX * crossX + crossY * crossY + crossZ * crossZ);\n const triangleArea = length * 0.5;\n const normalX = crossX / length;\n const normalY = crossY / length;\n const normalZ = crossZ / length;\n const constant = -(a[0] * normalX + a[1] * normalY + a[2] * normalZ);\n const dot = d[0] * normalX + d[1] * normalY + d[2] * normalZ;\n const height = Math.abs(dot + constant);\n return height * triangleArea / 3;\n}\nfunction sample(data, size, x, y, z, color2) {\n const i4 = (x + y * size + z * size * size) * 4;\n color2[0] = data[i4 + 0];\n color2[1] = data[i4 + 1];\n color2[2] = data[i4 + 2];\n}\nfunction tetrahedralSample(data, size, u, v3, w, color2) {\n const px = u * (size - 1);\n const py = v3 * (size - 1);\n const pz = w * (size - 1);\n const minX = Math.floor(px);\n const minY = Math.floor(py);\n const minZ = Math.floor(pz);\n const maxX = Math.ceil(px);\n const maxY = Math.ceil(py);\n const maxZ = Math.ceil(pz);\n const su = px - minX;\n const sv = py - minY;\n const sw = pz - minZ;\n if (minX === px && minY === py && minZ === pz) {\n sample(data, size, px, py, pz, color2);\n } else {\n let vertices;\n if (su >= sv && sv >= sw) {\n vertices = T[0];\n } else if (su >= sw && sw >= sv) {\n vertices = T[1];\n } else if (sw >= su && su >= sv) {\n vertices = T[2];\n } else if (sv >= su && su >= sw) {\n vertices = T[3];\n } else if (sv >= sw && sw >= su) {\n vertices = T[4];\n } else if (sw >= sv && sv >= su) {\n vertices = T[5];\n }\n const [P0, P1, P2, P3] = vertices;\n const coords = P[0];\n coords[0] = su;\n coords[1] = sv;\n coords[2] = sw;\n const tmp = P[1];\n const diffX = maxX - minX;\n const diffY = maxY - minY;\n const diffZ = maxZ - minZ;\n tmp[0] = diffX * P0[0] + minX;\n tmp[1] = diffY * P0[1] + minY;\n tmp[2] = diffZ * P0[2] + minZ;\n sample(data, size, tmp[0], tmp[1], tmp[2], C[0]);\n tmp[0] = diffX * P1[0] + minX;\n tmp[1] = diffY * P1[1] + minY;\n tmp[2] = diffZ * P1[2] + minZ;\n sample(data, size, tmp[0], tmp[1], tmp[2], C[1]);\n tmp[0] = diffX * P2[0] + minX;\n tmp[1] = diffY * P2[1] + minY;\n tmp[2] = diffZ * P2[2] + minZ;\n sample(data, size, tmp[0], tmp[1], tmp[2], C[2]);\n tmp[0] = diffX * P3[0] + minX;\n tmp[1] = diffY * P3[1] + minY;\n tmp[2] = diffZ * P3[2] + minZ;\n sample(data, size, tmp[0], tmp[1], tmp[2], C[3]);\n const V0 = calculateTetrahedronVolume(P1, P2, P3, coords) * 6;\n const V1 = calculateTetrahedronVolume(P0, P2, P3, coords) * 6;\n const V2 = calculateTetrahedronVolume(P0, P1, P3, coords) * 6;\n const V3 = calculateTetrahedronVolume(P0, P1, P2, coords) * 6;\n C[0][0] *= V0;\n C[0][1] *= V0;\n C[0][2] *= V0;\n C[1][0] *= V1;\n C[1][1] *= V1;\n C[1][2] *= V1;\n C[2][0] *= V2;\n C[2][1] *= V2;\n C[2][2] *= V2;\n C[3][0] *= V3;\n C[3][1] *= V3;\n C[3][2] *= V3;\n color2[0] = C[0][0] + C[1][0] + C[2][0] + C[3][0];\n color2[1] = C[0][1] + C[1][1] + C[2][1] + C[3][1];\n color2[2] = C[0][2] + C[1][2] + C[2][2] + C[3][2];\n }\n}\nvar TetrahedralUpscaler = class {\n static expand(data, size) {\n const originalSize = Math.cbrt(data.length / 4);\n const rgb = new Float32Array(3);\n const array = new data.constructor(size ** 3 * 4);\n const maxValue = data instanceof Uint8Array ? 255 : 1;\n const sizeSq = size ** 2;\n const s = 1 / (size - 1);\n for (let z = 0; z < size; ++z) {\n for (let y = 0; y < size; ++y) {\n for (let x = 0; x < size; ++x) {\n const u = x * s;\n const v3 = y * s;\n const w = z * s;\n const i4 = Math.round(x + y * size + z * sizeSq) * 4;\n tetrahedralSample(data, originalSize, u, v3, w, rgb);\n array[i4 + 0] = rgb[0];\n array[i4 + 1] = rgb[1];\n array[i4 + 2] = rgb[2];\n array[i4 + 3] = maxValue;\n }\n }\n }\n return array;\n }\n};\n\n// src/textures/smaa/SMAAAreaImageData.js\nvar area = [\n new Float32Array(2),\n new Float32Array(2)\n];\nvar ORTHOGONAL_SIZE = 16;\nvar DIAGONAL_SIZE = 20;\nvar DIAGONAL_SAMPLES = 30;\nvar SMOOTH_MAX_DISTANCE = 32;\nvar orthogonalSubsamplingOffsets = new Float32Array([\n 0,\n -0.25,\n 0.25,\n -0.125,\n 0.125,\n -0.375,\n 0.375\n]);\nvar diagonalSubsamplingOffsets = [\n new Float32Array([0, 0]),\n new Float32Array([0.25, -0.25]),\n new Float32Array([-0.25, 0.25]),\n new Float32Array([0.125, -0.125]),\n new Float32Array([-0.125, 0.125])\n];\nvar orthogonalEdges = [\n new Uint8Array([0, 0]),\n new Uint8Array([3, 0]),\n new Uint8Array([0, 3]),\n new Uint8Array([3, 3]),\n new Uint8Array([1, 0]),\n new Uint8Array([4, 0]),\n new Uint8Array([1, 3]),\n new Uint8Array([4, 3]),\n new Uint8Array([0, 1]),\n new Uint8Array([3, 1]),\n new Uint8Array([0, 4]),\n new Uint8Array([3, 4]),\n new Uint8Array([1, 1]),\n new Uint8Array([4, 1]),\n new Uint8Array([1, 4]),\n new Uint8Array([4, 4])\n];\nvar diagonalEdges = [\n new Uint8Array([0, 0]),\n new Uint8Array([1, 0]),\n new Uint8Array([0, 2]),\n new Uint8Array([1, 2]),\n new Uint8Array([2, 0]),\n new Uint8Array([3, 0]),\n new Uint8Array([2, 2]),\n new Uint8Array([3, 2]),\n new Uint8Array([0, 1]),\n new Uint8Array([1, 1]),\n new Uint8Array([0, 3]),\n new Uint8Array([1, 3]),\n new Uint8Array([2, 1]),\n new Uint8Array([3, 1]),\n new Uint8Array([2, 3]),\n new Uint8Array([3, 3])\n];\nfunction lerp(a, b, p) {\n return a + (b - a) * p;\n}\nfunction saturate(a) {\n return Math.min(Math.max(a, 0), 1);\n}\nfunction smoothArea(d) {\n const a1 = area[0];\n const a2 = area[1];\n const b1X = Math.sqrt(a1[0] * 2) * 0.5;\n const b1Y = Math.sqrt(a1[1] * 2) * 0.5;\n const b2X = Math.sqrt(a2[0] * 2) * 0.5;\n const b2Y = Math.sqrt(a2[1] * 2) * 0.5;\n const p = saturate(d / SMOOTH_MAX_DISTANCE);\n a1[0] = lerp(b1X, a1[0], p);\n a1[1] = lerp(b1Y, a1[1], p);\n a2[0] = lerp(b2X, a2[0], p);\n a2[1] = lerp(b2Y, a2[1], p);\n}\nfunction getOrthArea(p1X, p1Y, p2X, p2Y, x, result) {\n const dX = p2X - p1X;\n const dY = p2Y - p1Y;\n const x1 = x;\n const x2 = x + 1;\n const y1 = p1Y + dY * (x1 - p1X) / dX;\n const y2 = p1Y + dY * (x2 - p1X) / dX;\n if (x1 >= p1X && x1 < p2X || x2 > p1X && x2 <= p2X) {\n if (Math.sign(y1) === Math.sign(y2) || Math.abs(y1) < 1e-4 || Math.abs(y2) < 1e-4) {\n const a = (y1 + y2) / 2;\n if (a < 0) {\n result[0] = Math.abs(a);\n result[1] = 0;\n } else {\n result[0] = 0;\n result[1] = Math.abs(a);\n }\n } else {\n const t = -p1Y * dX / dY + p1X;\n const tInt = Math.trunc(t);\n const a1 = t > p1X ? y1 * (t - tInt) / 2 : 0;\n const a2 = t < p2X ? y2 * (1 - (t - tInt)) / 2 : 0;\n const a = Math.abs(a1) > Math.abs(a2) ? a1 : -a2;\n if (a < 0) {\n result[0] = Math.abs(a1);\n result[1] = Math.abs(a2);\n } else {\n result[0] = Math.abs(a2);\n result[1] = Math.abs(a1);\n }\n }\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n return result;\n}\nfunction getOrthAreaForPattern(pattern, left, right, offset, result) {\n const a1 = area[0];\n const a2 = area[1];\n const o1 = 0.5 + offset;\n const o2 = 0.5 + offset - 1;\n const d = left + right + 1;\n switch (pattern) {\n case 0: {\n result[0] = 0;\n result[1] = 0;\n break;\n }\n case 1: {\n if (left <= right) {\n getOrthArea(0, o2, d / 2, 0, left, result);\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n break;\n }\n case 2: {\n if (left >= right) {\n getOrthArea(d / 2, 0, d, o2, left, result);\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n break;\n }\n case 3: {\n getOrthArea(0, o2, d / 2, 0, left, a1);\n getOrthArea(d / 2, 0, d, o2, left, a2);\n smoothArea(d, area);\n result[0] = a1[0] + a2[0];\n result[1] = a1[1] + a2[1];\n break;\n }\n case 4: {\n if (left <= right) {\n getOrthArea(0, o1, d / 2, 0, left, result);\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n break;\n }\n case 5: {\n result[0] = 0;\n result[1] = 0;\n break;\n }\n case 6: {\n if (Math.abs(offset) > 0) {\n getOrthArea(0, o1, d, o2, left, a1);\n getOrthArea(0, o1, d / 2, 0, left, a2);\n getOrthArea(d / 2, 0, d, o2, left, result);\n a2[0] = a2[0] + result[0];\n a2[1] = a2[1] + result[1];\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n } else {\n getOrthArea(0, o1, d, o2, left, result);\n }\n break;\n }\n case 7: {\n getOrthArea(0, o1, d, o2, left, result);\n break;\n }\n case 8: {\n if (left >= right) {\n getOrthArea(d / 2, 0, d, o1, left, result);\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n break;\n }\n case 9: {\n if (Math.abs(offset) > 0) {\n getOrthArea(0, o2, d, o1, left, a1);\n getOrthArea(0, o2, d / 2, 0, left, a2);\n getOrthArea(d / 2, 0, d, o1, left, result);\n a2[0] = a2[0] + result[0];\n a2[1] = a2[1] + result[1];\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n } else {\n getOrthArea(0, o2, d, o1, left, result);\n }\n break;\n }\n case 10: {\n result[0] = 0;\n result[1] = 0;\n break;\n }\n case 11: {\n getOrthArea(0, o2, d, o1, left, result);\n break;\n }\n case 12: {\n getOrthArea(0, o1, d / 2, 0, left, a1);\n getOrthArea(d / 2, 0, d, o1, left, a2);\n smoothArea(d, area);\n result[0] = a1[0] + a2[0];\n result[1] = a1[1] + a2[1];\n break;\n }\n case 13: {\n getOrthArea(0, o2, d, o1, left, result);\n break;\n }\n case 14: {\n getOrthArea(0, o1, d, o2, left, result);\n break;\n }\n case 15: {\n result[0] = 0;\n result[1] = 0;\n break;\n }\n }\n return result;\n}\nfunction isInsideArea(a1X, a1Y, a2X, a2Y, x, y) {\n let result = a1X === a2X && a1Y === a2Y;\n if (!result) {\n const xm = (a1X + a2X) / 2;\n const ym = (a1Y + a2Y) / 2;\n const a = a2Y - a1Y;\n const b = a1X - a2X;\n const c2 = a * (x - xm) + b * (y - ym);\n result = c2 > 0;\n }\n return result;\n}\nfunction getDiagAreaForPixel(a1X, a1Y, a2X, a2Y, pX, pY) {\n let n = 0;\n for (let y = 0; y < DIAGONAL_SAMPLES; ++y) {\n for (let x = 0; x < DIAGONAL_SAMPLES; ++x) {\n const offsetX = x / (DIAGONAL_SAMPLES - 1);\n const offsetY = y / (DIAGONAL_SAMPLES - 1);\n if (isInsideArea(a1X, a1Y, a2X, a2Y, pX + offsetX, pY + offsetY)) {\n ++n;\n }\n }\n }\n return n / (DIAGONAL_SAMPLES * DIAGONAL_SAMPLES);\n}\nfunction getDiagArea(pattern, a1X, a1Y, a2X, a2Y, left, offset, result) {\n const e = diagonalEdges[pattern];\n const e1 = e[0];\n const e2 = e[1];\n if (e1 > 0) {\n a1X += offset[0];\n a1Y += offset[1];\n }\n if (e2 > 0) {\n a2X += offset[0];\n a2Y += offset[1];\n }\n result[0] = 1 - getDiagAreaForPixel(a1X, a1Y, a2X, a2Y, 1 + left, 0 + left);\n result[1] = getDiagAreaForPixel(a1X, a1Y, a2X, a2Y, 1 + left, 1 + left);\n return result;\n}\nfunction getDiagAreaForPattern(pattern, left, right, offset, result) {\n const a1 = area[0];\n const a2 = area[1];\n const d = left + right + 1;\n switch (pattern) {\n case 0: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 1: {\n getDiagArea(pattern, 1, 0, 0 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 2: {\n getDiagArea(pattern, 0, 0, 1 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 3: {\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, result);\n break;\n }\n case 4: {\n getDiagArea(pattern, 1, 1, 0 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 5: {\n getDiagArea(pattern, 1, 1, 0 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 6: {\n getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, result);\n break;\n }\n case 7: {\n getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 8: {\n getDiagArea(pattern, 0, 0, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 9: {\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, result);\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, result);\n break;\n }\n case 10: {\n getDiagArea(pattern, 0, 0, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 11: {\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 12: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, result);\n break;\n }\n case 13: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 14: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 15: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n }\n return result;\n}\nfunction generatePatterns(patterns, offset, orthogonal) {\n const result = new Float32Array(2);\n for (let i = 0, l = patterns.length; i < l; ++i) {\n const pattern = patterns[i];\n const data = pattern.data;\n const size = pattern.width;\n for (let y = 0; y < size; ++y) {\n for (let x = 0; x < size; ++x) {\n if (orthogonal) {\n getOrthAreaForPattern(i, x, y, offset, result);\n } else {\n getDiagAreaForPattern(i, x, y, offset, result);\n }\n const c2 = (y * size + x) * 2;\n data[c2] = result[0] * 255;\n data[c2 + 1] = result[1] * 255;\n }\n }\n }\n}\nfunction assemble(baseX, baseY, patterns, edges2, size, orthogonal, target) {\n const dstData = target.data;\n const dstWidth = target.width;\n for (let i = 0, l = patterns.length; i < l; ++i) {\n const edge = edges2[i];\n const pattern = patterns[i];\n const srcData = pattern.data;\n const srcWidth = pattern.width;\n for (let y = 0; y < size; ++y) {\n for (let x = 0; x < size; ++x) {\n const pX = edge[0] * size + baseX + x;\n const pY = edge[1] * size + baseY + y;\n const c2 = (pY * dstWidth + pX) * 4;\n const d = orthogonal ? (y * y * srcWidth + x * x) * 2 : (y * srcWidth + x) * 2;\n dstData[c2] = srcData[d];\n dstData[c2 + 1] = srcData[d + 1];\n dstData[c2 + 2] = 0;\n dstData[c2 + 3] = 255;\n }\n }\n }\n}\nvar SMAAAreaImageData = class {\n static generate() {\n const width = 2 * 5 * ORTHOGONAL_SIZE;\n const height = orthogonalSubsamplingOffsets.length * 5 * ORTHOGONAL_SIZE;\n const data = new Uint8ClampedArray(width * height * 4);\n const result = new RawImageData(width, height, data);\n const orthPatternSize = Math.pow(ORTHOGONAL_SIZE - 1, 2) + 1;\n const diagPatternSize = DIAGONAL_SIZE;\n const orthogonalPatterns = [];\n const diagonalPatterns = [];\n for (let i = 3, l = data.length; i < l; i += 4) {\n data[i] = 255;\n }\n for (let i = 0; i < 16; ++i) {\n orthogonalPatterns.push(new RawImageData(\n orthPatternSize,\n orthPatternSize,\n new Uint8ClampedArray(orthPatternSize * orthPatternSize * 2),\n 2\n ));\n diagonalPatterns.push(new RawImageData(\n diagPatternSize,\n diagPatternSize,\n new Uint8ClampedArray(diagPatternSize * diagPatternSize * 2),\n 2\n ));\n }\n for (let i = 0, l = orthogonalSubsamplingOffsets.length; i < l; ++i) {\n generatePatterns(orthogonalPatterns, orthogonalSubsamplingOffsets[i], true);\n assemble(\n 0,\n 5 * ORTHOGONAL_SIZE * i,\n orthogonalPatterns,\n orthogonalEdges,\n ORTHOGONAL_SIZE,\n true,\n result\n );\n }\n for (let i = 0, l = diagonalSubsamplingOffsets.length; i < l; ++i) {\n generatePatterns(diagonalPatterns, diagonalSubsamplingOffsets[i], false);\n assemble(\n 5 * ORTHOGONAL_SIZE,\n 4 * DIAGONAL_SIZE * i,\n diagonalPatterns,\n diagonalEdges,\n DIAGONAL_SIZE,\n false,\n result\n );\n }\n return result;\n }\n};\n\n// src/textures/smaa/SMAAImageGenerator.js\nimport { LoadingManager } from \"three\";\n\n// tmp/smaa/worker.txt\nvar worker_default2 = '\"use strict\";(()=>{function q(t,a,s){let e=document.createElement(\"canvas\"),n=e.getContext(\"2d\");if(e.width=t,e.height=a,s instanceof Image)n.drawImage(s,0,0);else{let r=n.createImageData(t,a);r.data.set(s),n.putImageData(r,0,0)}return e}var m=class{constructor(a=0,s=0,e=null){this.width=a,this.height=s,this.data=e}toCanvas(){return typeof document==\"undefined\"?null:q(this.width,this.height,this.data)}static from(a){let{width:s,height:e}=a,n;if(a instanceof Image){let r=q(s,e,a);r!==null&&(n=r.getContext(\"2d\").getImageData(0,0,s,e).data)}else n=a.data;return new m(s,e,n)}};var M=[new Float32Array(2),new Float32Array(2)],D=16,W=20,I=30,j=32,v=new Float32Array([0,-.25,.25,-.125,.125,-.375,.375]),N=[new Float32Array([0,0]),new Float32Array([.25,-.25]),new Float32Array([-.25,.25]),new Float32Array([.125,-.125]),new Float32Array([-.125,.125])],z=[new Uint8Array([0,0]),new Uint8Array([3,0]),new Uint8Array([0,3]),new Uint8Array([3,3]),new Uint8Array([1,0]),new Uint8Array([4,0]),new Uint8Array([1,3]),new Uint8Array([4,3]),new Uint8Array([0,1]),new Uint8Array([3,1]),new Uint8Array([0,4]),new Uint8Array([3,4]),new Uint8Array([1,1]),new Uint8Array([4,1]),new Uint8Array([1,4]),new Uint8Array([4,4])],R=[new Uint8Array([0,0]),new Uint8Array([1,0]),new Uint8Array([0,2]),new Uint8Array([1,2]),new Uint8Array([2,0]),new Uint8Array([3,0]),new Uint8Array([2,2]),new Uint8Array([3,2]),new Uint8Array([0,1]),new Uint8Array([1,1]),new Uint8Array([0,3]),new Uint8Array([1,3]),new Uint8Array([2,1]),new Uint8Array([3,1]),new Uint8Array([2,3]),new Uint8Array([3,3])];function C(t,a,s){return t+(a-t)*s}function B(t){return Math.min(Math.max(t,0),1)}function _(t){let a=M[0],s=M[1],e=Math.sqrt(a[0]*2)*.5,n=Math.sqrt(a[1]*2)*.5,r=Math.sqrt(s[0]*2)*.5,o=Math.sqrt(s[1]*2)*.5,c=B(t/j);a[0]=C(e,a[0],c),a[1]=C(n,a[1],c),s[0]=C(r,s[0],c),s[1]=C(o,s[1],c)}function d(t,a,s,e,n,r){let o=s-t,c=e-a,h=n,i=n+1,w=a+c*(h-t)/o,g=a+c*(i-t)/o;if(h>=t&&ht&&i<=s)if(Math.sign(w)===Math.sign(g)||Math.abs(w)<1e-4||Math.abs(g)<1e-4){let b=(w+g)/2;b<0?(r[0]=Math.abs(b),r[1]=0):(r[0]=0,r[1]=Math.abs(b))}else{let b=-a*o/c+t,F=Math.trunc(b),k=b>t?w*(b-F)/2:0,U=bMath.abs(U)?k:-U)<0?(r[0]=Math.abs(k),r[1]=Math.abs(U)):(r[0]=Math.abs(U),r[1]=Math.abs(k))}else r[0]=0,r[1]=0;return r}function J(t,a,s,e,n){let r=M[0],o=M[1],c=.5+e,h=.5+e-1,i=a+s+1;switch(t){case 0:{n[0]=0,n[1]=0;break}case 1:{a<=s?d(0,h,i/2,0,a,n):(n[0]=0,n[1]=0);break}case 2:{a>=s?d(i/2,0,i,h,a,n):(n[0]=0,n[1]=0);break}case 3:{d(0,h,i/2,0,a,r),d(i/2,0,i,h,a,o),_(i,M),n[0]=r[0]+o[0],n[1]=r[1]+o[1];break}case 4:{a<=s?d(0,c,i/2,0,a,n):(n[0]=0,n[1]=0);break}case 5:{n[0]=0,n[1]=0;break}case 6:{Math.abs(e)>0?(d(0,c,i,h,a,r),d(0,c,i/2,0,a,o),d(i/2,0,i,h,a,n),o[0]=o[0]+n[0],o[1]=o[1]+n[1],n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2):d(0,c,i,h,a,n);break}case 7:{d(0,c,i,h,a,n);break}case 8:{a>=s?d(i/2,0,i,c,a,n):(n[0]=0,n[1]=0);break}case 9:{Math.abs(e)>0?(d(0,h,i,c,a,r),d(0,h,i/2,0,a,o),d(i/2,0,i,c,a,n),o[0]=o[0]+n[0],o[1]=o[1]+n[1],n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2):d(0,h,i,c,a,n);break}case 10:{n[0]=0,n[1]=0;break}case 11:{d(0,h,i,c,a,n);break}case 12:{d(0,c,i/2,0,a,r),d(i/2,0,i,c,a,o),_(i,M),n[0]=r[0]+o[0],n[1]=r[1]+o[1];break}case 13:{d(0,h,i,c,a,n);break}case 14:{d(0,c,i,h,a,n);break}case 15:{n[0]=0,n[1]=0;break}}return n}function K(t,a,s,e,n,r){let o=t===s&&a===e;if(!o){let c=(t+s)/2,h=(a+e)/2,i=e-a,w=t-s;o=i*(n-c)+w*(r-h)>0}return o}function G(t,a,s,e,n,r){let o=0;for(let c=0;c0&&(a+=o[0],s+=o[1]),w>0&&(e+=o[0],n+=o[1]),c[0]=1-G(a,s,e,n,1+r,0+r),c[1]=G(a,s,e,n,1+r,1+r),c}function Q(t,a,s,e,n){let r=M[0],o=M[1],c=a+s+1;switch(t){case 0:{A(t,1,1,1+c,1+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 1:{A(t,1,0,0+c,0+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 2:{A(t,0,0,1+c,0+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 3:{A(t,1,0,1+c,0+c,a,e,n);break}case 4:{A(t,1,1,0+c,0+c,a,e,r),A(t,1,1,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 5:{A(t,1,1,0+c,0+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 6:{A(t,1,1,1+c,0+c,a,e,n);break}case 7:{A(t,1,1,1+c,0+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 8:{A(t,0,0,1+c,1+c,a,e,r),A(t,1,0,1+c,1+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 9:{A(t,1,0,1+c,1+c,a,e,n),A(t,1,0,1+c,1+c,a,e,n);break}case 10:{A(t,0,0,1+c,1+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 11:{A(t,1,0,1+c,1+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 12:{A(t,1,1,1+c,1+c,a,e,n);break}case 13:{A(t,1,1,1+c,1+c,a,e,r),A(t,1,0,1+c,1+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 14:{A(t,1,1,1+c,1+c,a,e,r),A(t,1,1,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 15:{A(t,1,1,1+c,1+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}}return n}function T(t,a,s){let e=new Float32Array(2);for(let n=0,r=t.length;n{let a=S.generate(),s=E.generate();postMessage({areaImageData:a,searchImageData:s},[a.data.buffer,s.data.buffer]),close()});})();\\n';\n\n// src/textures/smaa/SMAAImageGenerator.js\nfunction generate(useCache = true) {\n const workerURL = URL.createObjectURL(new Blob([worker_default2], {\n type: \"text/javascript\"\n }));\n const worker = new Worker(workerURL);\n URL.revokeObjectURL(workerURL);\n return new Promise((resolve, reject) => {\n worker.addEventListener(\"error\", (event) => reject(event.error));\n worker.addEventListener(\"message\", (event) => {\n const searchImageData = RawImageData.from(event.data.searchImageData);\n const areaImageData = RawImageData.from(event.data.areaImageData);\n const urls = [\n searchImageData.toCanvas().toDataURL(\"image/png\", 1),\n areaImageData.toCanvas().toDataURL(\"image/png\", 1)\n ];\n if (useCache) {\n localStorage.setItem(\"smaa-search\", urls[0]);\n localStorage.setItem(\"smaa-area\", urls[1]);\n }\n resolve(urls);\n });\n worker.postMessage(null);\n });\n}\nvar SMAAImageGenerator = class {\n constructor() {\n this.disableCache = false;\n }\n setCacheEnabled(value) {\n this.disableCache = !value;\n }\n generate() {\n const useCache = !this.disableCache && window.localStorage !== void 0;\n const cachedURLs = useCache ? [\n localStorage.getItem(\"smaa-search\"),\n localStorage.getItem(\"smaa-area\")\n ] : [null, null];\n const promise = cachedURLs[0] !== null && cachedURLs[1] !== null ? Promise.resolve(cachedURLs) : generate(useCache);\n return promise.then((urls) => {\n return new Promise((resolve, reject) => {\n const searchImage = new Image();\n const areaImage = new Image();\n const manager = new LoadingManager();\n manager.onLoad = () => resolve([searchImage, areaImage]);\n manager.onError = reject;\n searchImage.addEventListener(\"error\", (e) => manager.itemError(\"smaa-search\"));\n areaImage.addEventListener(\"error\", (e) => manager.itemError(\"smaa-area\"));\n searchImage.addEventListener(\"load\", () => manager.itemEnd(\"smaa-search\"));\n areaImage.addEventListener(\"load\", () => manager.itemEnd(\"smaa-area\"));\n manager.itemStart(\"smaa-search\");\n manager.itemStart(\"smaa-area\");\n searchImage.src = urls[0];\n areaImage.src = urls[1];\n });\n });\n }\n};\n\n// src/textures/smaa/SMAASearchImageData.js\nvar edges = /* @__PURE__ */ new Map([\n [bilinear(0, 0, 0, 0), new Float32Array([0, 0, 0, 0])],\n [bilinear(0, 0, 0, 1), new Float32Array([0, 0, 0, 1])],\n [bilinear(0, 0, 1, 0), new Float32Array([0, 0, 1, 0])],\n [bilinear(0, 0, 1, 1), new Float32Array([0, 0, 1, 1])],\n [bilinear(0, 1, 0, 0), new Float32Array([0, 1, 0, 0])],\n [bilinear(0, 1, 0, 1), new Float32Array([0, 1, 0, 1])],\n [bilinear(0, 1, 1, 0), new Float32Array([0, 1, 1, 0])],\n [bilinear(0, 1, 1, 1), new Float32Array([0, 1, 1, 1])],\n [bilinear(1, 0, 0, 0), new Float32Array([1, 0, 0, 0])],\n [bilinear(1, 0, 0, 1), new Float32Array([1, 0, 0, 1])],\n [bilinear(1, 0, 1, 0), new Float32Array([1, 0, 1, 0])],\n [bilinear(1, 0, 1, 1), new Float32Array([1, 0, 1, 1])],\n [bilinear(1, 1, 0, 0), new Float32Array([1, 1, 0, 0])],\n [bilinear(1, 1, 0, 1), new Float32Array([1, 1, 0, 1])],\n [bilinear(1, 1, 1, 0), new Float32Array([1, 1, 1, 0])],\n [bilinear(1, 1, 1, 1), new Float32Array([1, 1, 1, 1])]\n]);\nfunction lerp2(a, b, p) {\n return a + (b - a) * p;\n}\nfunction bilinear(e0, e1, e2, e3) {\n const a = lerp2(e0, e1, 1 - 0.25);\n const b = lerp2(e2, e3, 1 - 0.25);\n return lerp2(a, b, 1 - 0.125);\n}\nfunction deltaLeft(left, top) {\n let d = 0;\n if (top[3] === 1) {\n d += 1;\n }\n if (d === 1 && top[2] === 1 && left[1] !== 1 && left[3] !== 1) {\n d += 1;\n }\n return d;\n}\nfunction deltaRight(left, top) {\n let d = 0;\n if (top[3] === 1 && left[1] !== 1 && left[3] !== 1) {\n d += 1;\n }\n if (d === 1 && top[2] === 1 && left[0] !== 1 && left[2] !== 1) {\n d += 1;\n }\n return d;\n}\nvar SMAASearchImageData = class {\n static generate() {\n const width = 66;\n const height = 33;\n const halfWidth = width / 2;\n const croppedWidth = 64;\n const croppedHeight = 16;\n const data = new Uint8ClampedArray(width * height);\n const croppedData = new Uint8ClampedArray(croppedWidth * croppedHeight * 4);\n for (let y = 0; y < height; ++y) {\n for (let x = 0; x < width; ++x) {\n const s = 0.03125 * x;\n const t = 0.03125 * y;\n if (edges.has(s) && edges.has(t)) {\n const e1 = edges.get(s);\n const e2 = edges.get(t);\n const i = y * width + x;\n data[i] = 127 * deltaLeft(e1, e2);\n data[i + halfWidth] = 127 * deltaRight(e1, e2);\n }\n }\n }\n for (let i = 0, y = height - croppedHeight; y < height; ++y) {\n for (let x = 0; x < croppedWidth; ++x, i += 4) {\n croppedData[i] = data[y * width + x];\n croppedData[i + 3] = 255;\n }\n }\n return new RawImageData(croppedWidth, croppedHeight, croppedData);\n }\n};\n\n// src/effects/glsl/lut-3d.frag\nvar lut_3d_default = \"uniform vec3 scale;uniform vec3 offset;\\n#ifdef CUSTOM_INPUT_DOMAIN\\nuniform vec3 domainMin;uniform vec3 domainMax;\\n#endif\\n#ifdef LUT_3D\\n#ifdef LUT_PRECISION_HIGH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler3D lut;\\n#else\\nuniform mediump sampler3D lut;\\n#endif\\n#else\\nuniform lowp sampler3D lut;\\n#endif\\nvec4 applyLUT(const in vec3 rgb){\\n#ifdef TETRAHEDRAL_INTERPOLATION\\nvec3 p=floor(rgb);vec3 f=rgb-p;vec3 v1=(p+0.5)*LUT_TEXEL_WIDTH;vec3 v4=(p+1.5)*LUT_TEXEL_WIDTH;vec3 v2,v3;vec3 frac;if(f.r>=f.g){if(f.g>f.b){frac=f.rgb;v2=vec3(v4.x,v1.y,v1.z);v3=vec3(v4.x,v4.y,v1.z);}else if(f.r>=f.b){frac=f.rbg;v2=vec3(v4.x,v1.y,v1.z);v3=vec3(v4.x,v1.y,v4.z);}else{frac=f.brg;v2=vec3(v1.x,v1.y,v4.z);v3=vec3(v4.x,v1.y,v4.z);}}else{if(f.b>f.g){frac=f.bgr;v2=vec3(v1.x,v1.y,v4.z);v3=vec3(v1.x,v4.y,v4.z);}else if(f.r>=f.b){frac=f.grb;v2=vec3(v1.x,v4.y,v1.z);v3=vec3(v4.x,v4.y,v1.z);}else{frac=f.gbr;v2=vec3(v1.x,v4.y,v1.z);v3=vec3(v1.x,v4.y,v4.z);}}vec4 n1=texture(lut,v1);vec4 n2=texture(lut,v2);vec4 n3=texture(lut,v3);vec4 n4=texture(lut,v4);vec4 weights=vec4(1.0-frac.x,frac.x-frac.y,frac.y-frac.z,frac.z);vec4 result=weights*mat4(vec4(n1.r,n2.r,n3.r,n4.r),vec4(n1.g,n2.g,n3.g,n4.g),vec4(n1.b,n2.b,n3.b,n4.b),vec4(1.0));return vec4(result.rgb,1.0);\\n#else\\nreturn texture(lut,rgb);\\n#endif\\n}\\n#else\\n#ifdef LUT_PRECISION_HIGH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D lut;\\n#else\\nuniform mediump sampler2D lut;\\n#endif\\n#else\\nuniform lowp sampler2D lut;\\n#endif\\nvec4 applyLUT(const in vec3 rgb){float slice=rgb.b*LUT_SIZE;float slice0=floor(slice);float interp=slice-slice0;float centeredInterp=interp-0.5;float slice1=slice0+sign(centeredInterp);\\n#ifdef LUT_STRIP_HORIZONTAL\\nfloat xOffset=clamp(rgb.r*LUT_TEXEL_HEIGHT,LUT_TEXEL_WIDTH*0.5,LUT_TEXEL_HEIGHT-LUT_TEXEL_WIDTH*0.5);vec2 uv0=vec2(slice0*LUT_TEXEL_HEIGHT+xOffset,rgb.g);vec2 uv1=vec2(slice1*LUT_TEXEL_HEIGHT+xOffset,rgb.g);\\n#else\\nfloat yOffset=clamp(rgb.g*LUT_TEXEL_WIDTH,LUT_TEXEL_HEIGHT*0.5,LUT_TEXEL_WIDTH-LUT_TEXEL_HEIGHT*0.5);vec2 uv0=vec2(rgb.r,slice0*LUT_TEXEL_WIDTH+yOffset);vec2 uv1=vec2(rgb.r,slice1*LUT_TEXEL_WIDTH+yOffset);\\n#endif\\nvec4 sample0=texture2D(lut,uv0);vec4 sample1=texture2D(lut,uv1);return mix(sample0,sample1,abs(centeredInterp));}\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 c=inputColor.rgb;\\n#ifdef CUSTOM_INPUT_DOMAIN\\nif(c.r>=domainMin.r&&c.g>=domainMin.g&&c.b>=domainMin.b&&c.r<=domainMax.r&&c.g<=domainMax.g&&c.b<=domainMax.b){c=applyLUT(scale*c+offset).rgb;}else{c=inputColor.rgb;}\\n#else\\n#if !defined(LUT_3D) || defined(TETRAHEDRAL_INTERPOLATION)\\nc=clamp(c,0.0,1.0);\\n#endif\\nc=applyLUT(scale*c+offset).rgb;\\n#endif\\noutputColor=vec4(c,inputColor.a);}\";\n\n// src/effects/LUT3DEffect.js\nvar LUT3DEffect = class extends Effect {\n constructor(lut, {\n blendFunction = BlendFunction.SRC,\n tetrahedralInterpolation = false,\n inputEncoding = sRGBEncoding14\n } = {}) {\n super(\"LUT3DEffect\", lut_3d_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"lut\", new Uniform37(null)],\n [\"scale\", new Uniform37(new Vector34())],\n [\"offset\", new Uniform37(new Vector34())],\n [\"domainMin\", new Uniform37(null)],\n [\"domainMax\", new Uniform37(null)]\n ])\n });\n this.tetrahedralInterpolation = tetrahedralInterpolation;\n this.inputColorSpace = inputEncoding;\n this.lut = lut;\n }\n get inputEncoding() {\n return this.inputColorSpace;\n }\n set inputEncoding(value) {\n this.inputColorSpace = value;\n }\n getInputEncoding() {\n return this.inputColorSpace;\n }\n setInputEncoding(value) {\n this.inputColorSpace = value;\n }\n getOutputEncoding() {\n return this.outputColorSpace;\n }\n get lut() {\n return this.uniforms.get(\"lut\").value;\n }\n set lut(value) {\n const defines = this.defines;\n const uniforms = this.uniforms;\n if (this.lut !== value) {\n uniforms.get(\"lut\").value = value;\n if (value !== null) {\n const image = value.image;\n const tetrahedralInterpolation = this.tetrahedralInterpolation;\n defines.clear();\n defines.set(\"LUT_SIZE\", Math.min(image.width, image.height).toFixed(16));\n defines.set(\"LUT_TEXEL_WIDTH\", (1 / image.width).toFixed(16));\n defines.set(\"LUT_TEXEL_HEIGHT\", (1 / image.height).toFixed(16));\n uniforms.get(\"domainMin\").value = null;\n uniforms.get(\"domainMax\").value = null;\n if (value.type === FloatType6 || value.type === HalfFloatType2) {\n defines.set(\"LUT_PRECISION_HIGH\", \"1\");\n }\n if (image.width > image.height) {\n defines.set(\"LUT_STRIP_HORIZONTAL\", \"1\");\n } else if (value instanceof DataTexture3D2) {\n defines.set(\"LUT_3D\", \"1\");\n }\n if (value instanceof LookupTexture) {\n const min = value.domainMin;\n const max = value.domainMax;\n if (min.x !== 0 || min.y !== 0 || min.z !== 0 || max.x !== 1 || max.y !== 1 || max.z !== 1) {\n defines.set(\"CUSTOM_INPUT_DOMAIN\", \"1\");\n uniforms.get(\"domainMin\").value = min.clone();\n uniforms.get(\"domainMax\").value = max.clone();\n }\n }\n this.tetrahedralInterpolation = tetrahedralInterpolation;\n }\n }\n }\n getLUT() {\n return this.lut;\n }\n setLUT(value) {\n this.lut = value;\n }\n updateScaleOffset() {\n const lut = this.lut;\n if (lut !== null) {\n const size = Math.min(lut.image.width, lut.image.height);\n const scale = this.uniforms.get(\"scale\").value;\n const offset = this.uniforms.get(\"offset\").value;\n if (this.tetrahedralInterpolation && lut instanceof DataTexture3D2) {\n if (this.defines.has(\"CUSTOM_INPUT_DOMAIN\")) {\n const domainScale = lut.domainMax.clone().sub(lut.domainMin);\n scale.setScalar(size - 1).divide(domainScale);\n offset.copy(lut.domainMin).negate().multiply(scale);\n } else {\n scale.setScalar(size - 1);\n offset.setScalar(0);\n }\n } else {\n if (this.defines.has(\"CUSTOM_INPUT_DOMAIN\")) {\n const domainScale = lut.domainMax.clone().sub(lut.domainMin).multiplyScalar(size);\n scale.setScalar(size - 1).divide(domainScale);\n offset.copy(lut.domainMin).negate().multiply(scale).addScalar(1 / (2 * size));\n } else {\n scale.setScalar((size - 1) / size);\n offset.setScalar(1 / (2 * size));\n }\n }\n }\n }\n configureTetrahedralInterpolation() {\n const lut = this.lut;\n if (lut !== null) {\n lut.minFilter = LinearFilter4;\n lut.magFilter = LinearFilter4;\n if (this.tetrahedralInterpolation) {\n if (lut instanceof DataTexture3D2) {\n lut.minFilter = NearestFilter7;\n lut.magFilter = NearestFilter7;\n } else {\n console.warn(\"Tetrahedral interpolation requires a 3D texture\");\n }\n }\n if (lut.source === void 0) {\n lut.needsUpdate = true;\n }\n }\n }\n get tetrahedralInterpolation() {\n return this.defines.has(\"TETRAHEDRAL_INTERPOLATION\");\n }\n set tetrahedralInterpolation(value) {\n if (value) {\n this.defines.set(\"TETRAHEDRAL_INTERPOLATION\", \"1\");\n } else {\n this.defines.delete(\"TETRAHEDRAL_INTERPOLATION\");\n }\n this.configureTetrahedralInterpolation();\n this.updateScaleOffset();\n this.setChanged();\n }\n setTetrahedralInterpolationEnabled(value) {\n this.tetrahedralInterpolation = value;\n }\n};\n\n// src/effects/glsl/noise.frag\nvar noise_default = \"void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 noise=vec3(rand(uv*time));\\n#ifdef PREMULTIPLY\\noutputColor=vec4(min(inputColor.rgb*noise,vec3(1.0)),inputColor.a);\\n#else\\noutputColor=vec4(noise,inputColor.a);\\n#endif\\n}\";\n\n// src/effects/NoiseEffect.js\nvar NoiseEffect = class extends Effect {\n constructor({ blendFunction = BlendFunction.SCREEN, premultiply = false } = {}) {\n super(\"NoiseEffect\", noise_default, { blendFunction });\n this.premultiply = premultiply;\n }\n get premultiply() {\n return this.defines.has(\"PREMULTIPLY\");\n }\n set premultiply(value) {\n if (this.premultiply !== value) {\n if (value) {\n this.defines.set(\"PREMULTIPLY\", \"1\");\n } else {\n this.defines.delete(\"PREMULTIPLY\");\n }\n this.setChanged();\n }\n }\n isPremultiplied() {\n return this.premultiply;\n }\n setPremultiplied(value) {\n this.premultiply = value;\n }\n};\n\n// src/effects/OutlineEffect.js\nimport { Color as Color6, RepeatWrapping as RepeatWrapping2, Uniform as Uniform38, UnsignedByteType as UnsignedByteType16, WebGLRenderTarget as WebGLRenderTarget18 } from \"three\";\n\n// src/effects/glsl/outline.frag\nvar outline_default3 = \"uniform lowp sampler2D edgeTexture;uniform lowp sampler2D maskTexture;uniform vec3 visibleEdgeColor;uniform vec3 hiddenEdgeColor;uniform float pulse;uniform float edgeStrength;\\n#ifdef USE_PATTERN\\nuniform lowp sampler2D patternTexture;varying vec2 vUvPattern;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec2 edge=texture2D(edgeTexture,uv).rg;vec2 mask=texture2D(maskTexture,uv).rg;\\n#ifndef X_RAY\\nedge.y=0.0;\\n#endif\\nedge*=(edgeStrength*mask.x*pulse);vec3 color=edge.x*visibleEdgeColor+edge.y*hiddenEdgeColor;float visibilityFactor=0.0;\\n#ifdef USE_PATTERN\\nvec4 patternColor=texelToLinear(texture2D(patternTexture,vUvPattern));\\n#ifdef X_RAY\\nfloat hiddenFactor=0.5;\\n#else\\nfloat hiddenFactor=0.0;\\n#endif\\nvisibilityFactor=(1.0-mask.y>0.0)?1.0:hiddenFactor;visibilityFactor*=(1.0-mask.x)*patternColor.a;color+=visibilityFactor*patternColor.rgb;\\n#endif\\nfloat alpha=max(max(edge.x,edge.y),visibilityFactor);\\n#ifdef ALPHA\\noutputColor=vec4(color,alpha);\\n#else\\noutputColor=vec4(color,max(alpha,inputColor.a));\\n#endif\\n}\";\n\n// src/effects/glsl/outline.vert\nvar outline_default4 = \"uniform float patternScale;varying vec2 vUvPattern;void mainSupport(const in vec2 uv){vUvPattern=uv*vec2(aspect,1.0)*patternScale;}\";\n\n// src/effects/OutlineEffect.js\nvar OutlineEffect = class extends Effect {\n constructor(scene, camera, {\n blendFunction = BlendFunction.SCREEN,\n patternTexture = null,\n patternScale = 1,\n edgeStrength = 1,\n pulseSpeed = 0,\n visibleEdgeColor = 16777215,\n hiddenEdgeColor = 2230538,\n kernelSize = KernelSize.VERY_SMALL,\n blur = false,\n xRay = true,\n multisampling = 0,\n resolutionScale = 0.5,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"OutlineEffect\", outline_default3, {\n uniforms: /* @__PURE__ */ new Map([\n [\"maskTexture\", new Uniform38(null)],\n [\"edgeTexture\", new Uniform38(null)],\n [\"edgeStrength\", new Uniform38(edgeStrength)],\n [\"visibleEdgeColor\", new Uniform38(new Color6(visibleEdgeColor))],\n [\"hiddenEdgeColor\", new Uniform38(new Color6(hiddenEdgeColor))],\n [\"pulse\", new Uniform38(1)],\n [\"patternScale\", new Uniform38(patternScale)],\n [\"patternTexture\", new Uniform38(null)]\n ])\n });\n this.blendMode.addEventListener(\"change\", (event) => {\n if (this.blendMode.getBlendFunction() === BlendFunction.ALPHA) {\n this.defines.set(\"ALPHA\", \"1\");\n } else {\n this.defines.delete(\"ALPHA\");\n }\n this.setChanged();\n });\n this.blendMode.setBlendFunction(blendFunction);\n this.patternTexture = patternTexture;\n this.xRay = xRay;\n this.scene = scene;\n this.camera = camera;\n this.renderTargetMask = new WebGLRenderTarget18(1, 1);\n this.renderTargetMask.samples = multisampling;\n this.renderTargetMask.texture.name = \"Outline.Mask\";\n this.uniforms.get(\"maskTexture\").value = this.renderTargetMask.texture;\n this.renderTargetOutline = new WebGLRenderTarget18(1, 1, { depthBuffer: false });\n this.renderTargetOutline.texture.name = \"Outline.Edges\";\n this.uniforms.get(\"edgeTexture\").value = this.renderTargetOutline.texture;\n this.clearPass = new ClearPass();\n this.clearPass.overrideClearColor = new Color6(0);\n this.clearPass.overrideClearAlpha = 1;\n this.depthPass = new DepthPass(scene, camera);\n this.maskPass = new RenderPass(scene, camera, new DepthComparisonMaterial(this.depthPass.texture, camera));\n const clearPass = this.maskPass.clearPass;\n clearPass.overrideClearColor = new Color6(16777215);\n clearPass.overrideClearAlpha = 1;\n this.blurPass = new KawaseBlurPass({ resolutionScale, resolutionX, resolutionY, kernelSize });\n this.blurPass.enabled = blur;\n const resolution = this.blurPass.resolution;\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.outlinePass = new ShaderPass(new OutlineMaterial());\n const outlineMaterial = this.outlinePass.fullscreenMaterial;\n outlineMaterial.inputBuffer = this.renderTargetMask.texture;\n this.time = 0;\n this.active = false;\n this.selection = new Selection();\n this.selection.layer = 10;\n this.pulseSpeed = pulseSpeed;\n }\n set mainScene(value) {\n this.scene = value;\n this.depthPass.mainScene = value;\n this.maskPass.mainScene = value;\n }\n set mainCamera(value) {\n this.camera = value;\n this.depthPass.mainCamera = value;\n this.maskPass.mainCamera = value;\n this.maskPass.overrideMaterial.copyCameraSettings(value);\n }\n get resolution() {\n return this.blurPass.resolution;\n }\n getResolution() {\n return this.blurPass.getResolution();\n }\n get multisampling() {\n return this.renderTargetMask.samples;\n }\n set multisampling(value) {\n this.renderTargetMask.samples = value;\n this.renderTargetMask.dispose();\n }\n get patternScale() {\n return this.uniforms.get(\"patternScale\").value;\n }\n set patternScale(value) {\n this.uniforms.get(\"patternScale\").value = value;\n }\n get edgeStrength() {\n return this.uniforms.get(\"edgeStrength\").value;\n }\n set edgeStrength(value) {\n this.uniforms.get(\"edgeStrength\").value = value;\n }\n get visibleEdgeColor() {\n return this.uniforms.get(\"visibleEdgeColor\").value;\n }\n set visibleEdgeColor(value) {\n this.uniforms.get(\"visibleEdgeColor\").value = value;\n }\n get hiddenEdgeColor() {\n return this.uniforms.get(\"hiddenEdgeColor\").value;\n }\n set hiddenEdgeColor(value) {\n this.uniforms.get(\"hiddenEdgeColor\").value = value;\n }\n getBlurPass() {\n return this.blurPass;\n }\n getSelection() {\n return this.selection;\n }\n getPulseSpeed() {\n return this.pulseSpeed;\n }\n setPulseSpeed(value) {\n this.pulseSpeed = value;\n }\n get width() {\n return this.resolution.width;\n }\n set width(value) {\n this.resolution.preferredWidth = value;\n }\n get height() {\n return this.resolution.height;\n }\n set height(value) {\n this.resolution.preferredHeight = value;\n }\n get selectionLayer() {\n return this.selection.layer;\n }\n set selectionLayer(value) {\n this.selection.layer = value;\n }\n get dithering() {\n return this.blurPass.dithering;\n }\n set dithering(value) {\n this.blurPass.dithering = value;\n }\n get kernelSize() {\n return this.blurPass.kernelSize;\n }\n set kernelSize(value) {\n this.blurPass.kernelSize = value;\n }\n get blur() {\n return this.blurPass.enabled;\n }\n set blur(value) {\n this.blurPass.enabled = value;\n }\n get xRay() {\n return this.defines.has(\"X_RAY\");\n }\n set xRay(value) {\n if (this.xRay !== value) {\n if (value) {\n this.defines.set(\"X_RAY\", \"1\");\n } else {\n this.defines.delete(\"X_RAY\");\n }\n this.setChanged();\n }\n }\n isXRayEnabled() {\n return this.xRay;\n }\n setXRayEnabled(value) {\n this.xRay = value;\n }\n get patternTexture() {\n return this.uniforms.get(\"patternTexture\").value;\n }\n set patternTexture(value) {\n if (value !== null) {\n value.wrapS = value.wrapT = RepeatWrapping2;\n this.defines.set(\"USE_PATTERN\", \"1\");\n this.setVertexShader(outline_default4);\n } else {\n this.defines.delete(\"USE_PATTERN\");\n this.setVertexShader(null);\n }\n if (this.renderer !== null) {\n const decoding = getTextureDecoding(value, this.renderer.capabilities.isWebGL2);\n this.defines.set(\"texelToLinear(texel)\", decoding);\n }\n this.uniforms.get(\"patternTexture\").value = value;\n this.setChanged();\n }\n setPatternTexture(value) {\n this.patternTexture = value;\n }\n getResolutionScale() {\n return this.resolution.scale;\n }\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n setSelection(objects) {\n this.selection.set(objects);\n return this;\n }\n clearSelection() {\n this.selection.clear();\n return this;\n }\n selectObject(object) {\n this.selection.add(object);\n return this;\n }\n deselectObject(object) {\n this.selection.delete(object);\n return this;\n }\n update(renderer, inputBuffer, deltaTime) {\n const scene = this.scene;\n const camera = this.camera;\n const selection = this.selection;\n const uniforms = this.uniforms;\n const pulse = uniforms.get(\"pulse\");\n const background = scene.background;\n const mask = camera.layers.mask;\n if (selection.size > 0) {\n scene.background = null;\n pulse.value = 1;\n if (this.pulseSpeed > 0) {\n pulse.value = Math.cos(this.time * this.pulseSpeed * 10) * 0.375 + 0.625;\n }\n this.active = true;\n this.time += deltaTime;\n selection.setVisible(false);\n this.depthPass.render(renderer);\n selection.setVisible(true);\n camera.layers.set(selection.layer);\n this.maskPass.render(renderer, this.renderTargetMask);\n camera.layers.mask = mask;\n scene.background = background;\n this.outlinePass.render(renderer, null, this.renderTargetOutline);\n if (this.blurPass.enabled) {\n this.blurPass.render(renderer, this.renderTargetOutline, this.renderTargetOutline);\n }\n } else if (this.active) {\n this.clearPass.render(renderer, this.renderTargetOutline);\n this.active = false;\n }\n }\n setSize(width, height) {\n this.blurPass.setSize(width, height);\n this.renderTargetMask.setSize(width, height);\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.depthPass.setSize(w, h);\n this.renderTargetOutline.setSize(w, h);\n this.outlinePass.fullscreenMaterial.setSize(w, h);\n }\n initialize(renderer, alpha, frameBufferType) {\n const texture = this.patternTexture;\n const decoding = getTextureDecoding(texture, renderer.capabilities.isWebGL2);\n this.defines.set(\"texelToLinear(texel)\", decoding);\n this.blurPass.initialize(renderer, alpha, UnsignedByteType16);\n if (frameBufferType !== void 0) {\n this.depthPass.initialize(renderer, alpha, frameBufferType);\n this.maskPass.initialize(renderer, alpha, frameBufferType);\n this.outlinePass.initialize(renderer, alpha, frameBufferType);\n }\n }\n};\n\n// src/effects/PixelationEffect.js\nimport { Uniform as Uniform39, Vector2 as Vector223, Vector4 as Vector43 } from \"three\";\n\n// src/effects/glsl/pixelation.frag\nvar pixelation_default = \"uniform bool active;uniform vec4 d;void mainUv(inout vec2 uv){if(active){uv=d.xy*(floor(uv*d.zw)+0.5);}}\";\n\n// src/effects/PixelationEffect.js\nvar PixelationEffect = class extends Effect {\n constructor(granularity = 30) {\n super(\"PixelationEffect\", pixelation_default, {\n uniforms: /* @__PURE__ */ new Map([\n [\"active\", new Uniform39(false)],\n [\"d\", new Uniform39(new Vector43())]\n ])\n });\n this.resolution = new Vector223();\n this._granularity = 0;\n this.granularity = granularity;\n }\n get granularity() {\n return this._granularity;\n }\n set granularity(value) {\n let d = Math.floor(value);\n if (d % 2 > 0) {\n d += 1;\n }\n this._granularity = d;\n this.uniforms.get(\"active\").value = d > 0;\n this.setSize(this.resolution.width, this.resolution.height);\n }\n getGranularity() {\n return this.granularity;\n }\n setGranularity(value) {\n this.granularity = value;\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.set(width, height);\n const d = this.granularity;\n const x = d / resolution.x;\n const y = d / resolution.y;\n this.uniforms.get(\"d\").value.set(x, y, 1 / x, 1 / y);\n }\n};\n\n// src/effects/RealisticBokehEffect.js\nimport { Uniform as Uniform40, Vector4 as Vector44 } from \"three\";\n\n// src/effects/glsl/realistic-bokeh.frag\nvar realistic_bokeh_default = \"uniform float focus;uniform float focalLength;uniform float fStop;uniform float maxBlur;uniform float luminanceThreshold;uniform float luminanceGain;uniform float bias;uniform float fringe;\\n#ifdef MANUAL_DOF\\nuniform vec4 dof;\\n#endif\\n#ifdef PENTAGON\\nfloat pentagon(const in vec2 coords){const vec4 HS0=vec4(1.0,0.0,0.0,1.0);const vec4 HS1=vec4(0.309016994,0.951056516,0.0,1.0);const vec4 HS2=vec4(-0.809016994,0.587785252,0.0,1.0);const vec4 HS3=vec4(-0.809016994,-0.587785252,0.0,1.0);const vec4 HS4=vec4(0.309016994,-0.951056516,0.0,1.0);const vec4 HS5=vec4(0.0,0.0,1.0,1.0);const vec4 ONE=vec4(1.0);const float P_FEATHER=0.4;const float N_FEATHER=-P_FEATHER;float inOrOut=-4.0;vec4 P=vec4(coords,vec2(RINGS_FLOAT-1.3));vec4 dist=vec4(dot(P,HS0),dot(P,HS1),dot(P,HS2),dot(P,HS3));dist=smoothstep(N_FEATHER,P_FEATHER,dist);inOrOut+=dot(dist,ONE);dist.x=dot(P,HS4);dist.y=HS5.w-abs(P.z);dist=smoothstep(N_FEATHER,P_FEATHER,dist);inOrOut+=dist.x;return clamp(inOrOut,0.0,1.0);}\\n#endif\\nvec3 processTexel(const in vec2 coords,const in float blur){vec2 scale=texelSize*fringe*blur;vec3 c=vec3(texture2D(inputBuffer,coords+vec2(0.0,1.0)*scale).r,texture2D(inputBuffer,coords+vec2(-0.866,-0.5)*scale).g,texture2D(inputBuffer,coords+vec2(0.866,-0.5)*scale).b);float luminance=linearToRelativeLuminance(c);float threshold=max((luminance-luminanceThreshold)*luminanceGain,0.0);return c+mix(vec3(0.0),c,threshold*blur);}float gather(const in float i,const in float j,const in float ringSamples,const in vec2 uv,const in vec2 blurFactor,const in float blur,inout vec3 color){float step=PI2/ringSamples;vec2 wh=vec2(cos(j*step)*i,sin(j*step)*i);\\n#ifdef PENTAGON\\nfloat p=pentagon(wh);\\n#else\\nfloat p=1.0;\\n#endif\\ncolor+=processTexel(wh*blurFactor+uv,blur)*mix(1.0,i/RINGS_FLOAT,bias)*p;return mix(1.0,i/RINGS_FLOAT,bias)*p;}void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(depth,cameraNear,cameraFar);float linearDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearDepth=depth;\\n#endif\\n#ifdef MANUAL_DOF\\nfloat focalPlane=linearDepth-focus;float farDoF=(focalPlane-dof.z)/dof.w;float nearDoF=(-focalPlane-dof.x)/dof.y;float blur=(focalPlane>0.0)?farDoF:nearDoF;\\n#else\\nconst float CIRCLE_OF_CONFUSION=0.03;float focalPlaneMM=focus*1000.0;float depthMM=linearDepth*1000.0;float focalPlane=(depthMM*focalLength)/(depthMM-focalLength);float farDoF=(focalPlaneMM*focalLength)/(focalPlaneMM-focalLength);float nearDoF=(focalPlaneMM-focalLength)/(focalPlaneMM*fStop*CIRCLE_OF_CONFUSION);float blur=abs(focalPlane-farDoF)*nearDoF;\\n#endif\\nconst int MAX_RING_SAMPLES=RINGS_INT*SAMPLES_INT;blur=clamp(blur,0.0,1.0);vec3 color=inputColor.rgb;if(blur>=0.05){vec2 blurFactor=blur*maxBlur*texelSize;float s=1.0;int ringSamples;for(int i=1;i<=RINGS_INT;i++){ringSamples=i*SAMPLES_INT;for(int j=0;j=ringSamples){break;}s+=gather(float(i),float(j),float(ringSamples),uv,blurFactor,blur,color);}}color/=s;}\\n#ifdef SHOW_FOCUS\\nfloat edge=0.002*linearDepth;float m=clamp(smoothstep(0.0,edge,blur),0.0,1.0);float e=clamp(smoothstep(1.0-edge,1.0,blur),0.0,1.0);color=mix(color,vec3(1.0,0.5,0.0),(1.0-m)*0.6);color=mix(color,vec3(0.0,0.5,1.0),((1.0-e)-(1.0-m))*0.2);\\n#endif\\noutputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/RealisticBokehEffect.js\nvar RealisticBokehEffect = class extends Effect {\n constructor({\n blendFunction,\n focus = 1,\n focalLength = 24,\n fStop = 0.9,\n luminanceThreshold = 0.5,\n luminanceGain = 2,\n bias = 0.5,\n fringe = 0.7,\n maxBlur = 1,\n rings = 3,\n samples = 2,\n showFocus = false,\n manualDoF = false,\n pentagon = false\n } = {}) {\n super(\"RealisticBokehEffect\", realistic_bokeh_default, {\n blendFunction,\n attributes: EffectAttribute.CONVOLUTION | EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"focus\", new Uniform40(focus)],\n [\"focalLength\", new Uniform40(focalLength)],\n [\"fStop\", new Uniform40(fStop)],\n [\"luminanceThreshold\", new Uniform40(luminanceThreshold)],\n [\"luminanceGain\", new Uniform40(luminanceGain)],\n [\"bias\", new Uniform40(bias)],\n [\"fringe\", new Uniform40(fringe)],\n [\"maxBlur\", new Uniform40(maxBlur)],\n [\"dof\", new Uniform40(null)]\n ])\n });\n this.rings = rings;\n this.samples = samples;\n this.showFocus = showFocus;\n this.manualDoF = manualDoF;\n this.pentagon = pentagon;\n }\n get rings() {\n return Number.parseInt(this.defines.get(\"RINGS_INT\"));\n }\n set rings(value) {\n const r = Math.floor(value);\n this.defines.set(\"RINGS_INT\", r.toFixed(0));\n this.defines.set(\"RINGS_FLOAT\", r.toFixed(1));\n this.setChanged();\n }\n get samples() {\n return Number.parseInt(this.defines.get(\"SAMPLES_INT\"));\n }\n set samples(value) {\n const s = Math.floor(value);\n this.defines.set(\"SAMPLES_INT\", s.toFixed(0));\n this.defines.set(\"SAMPLES_FLOAT\", s.toFixed(1));\n this.setChanged();\n }\n get showFocus() {\n return this.defines.has(\"SHOW_FOCUS\");\n }\n set showFocus(value) {\n if (this.showFocus !== value) {\n if (value) {\n this.defines.set(\"SHOW_FOCUS\", \"1\");\n } else {\n this.defines.delete(\"SHOW_FOCUS\");\n }\n this.setChanged();\n }\n }\n get manualDoF() {\n return this.defines.has(\"MANUAL_DOF\");\n }\n set manualDoF(value) {\n if (this.manualDoF !== value) {\n if (value) {\n this.defines.set(\"MANUAL_DOF\", \"1\");\n this.uniforms.get(\"dof\").value = new Vector44(0.2, 1, 0.2, 2);\n } else {\n this.defines.delete(\"MANUAL_DOF\");\n this.uniforms.get(\"dof\").value = null;\n }\n this.setChanged();\n }\n }\n get pentagon() {\n return this.defines.has(\"PENTAGON\");\n }\n set pentagon(value) {\n if (this.pentagon !== value) {\n if (value) {\n this.defines.set(\"PENTAGON\", \"1\");\n } else {\n this.defines.delete(\"PENTAGON\");\n }\n this.setChanged();\n }\n }\n};\n\n// src/effects/ScanlineEffect.js\nimport { Uniform as Uniform41, Vector2 as Vector224 } from \"three\";\n\n// src/effects/glsl/scanlines.frag\nvar scanlines_default = \"uniform float count;\\n#ifdef SCROLL\\nuniform float scrollSpeed;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){float y=uv.y;\\n#ifdef SCROLL\\ny+=time*scrollSpeed;\\n#endif\\nvec2 sl=vec2(sin(y*count),cos(y*count));outputColor=vec4(sl.xyx,inputColor.a);}\";\n\n// src/effects/ScanlineEffect.js\nvar ScanlineEffect = class extends Effect {\n constructor({ blendFunction = BlendFunction.OVERLAY, density = 1.25, scrollSpeed = 0 } = {}) {\n super(\"ScanlineEffect\", scanlines_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"count\", new Uniform41(0)],\n [\"scrollSpeed\", new Uniform41(0)]\n ])\n });\n this.resolution = new Vector224();\n this.d = density;\n this.scrollSpeed = scrollSpeed;\n }\n get density() {\n return this.d;\n }\n set density(value) {\n this.d = value;\n this.setSize(this.resolution.width, this.resolution.height);\n }\n getDensity() {\n return this.density;\n }\n setDensity(value) {\n this.density = value;\n }\n get scrollSpeed() {\n return this.uniforms.get(\"scrollSpeed\").value;\n }\n set scrollSpeed(value) {\n this.uniforms.get(\"scrollSpeed\").value = value;\n if (value === 0) {\n if (this.defines.delete(\"SCROLL\")) {\n this.setChanged();\n }\n } else if (!this.defines.has(\"SCROLL\")) {\n this.defines.set(\"SCROLL\", \"1\");\n this.setChanged();\n }\n }\n setSize(width, height) {\n this.resolution.set(width, height);\n this.uniforms.get(\"count\").value = Math.round(height * this.density);\n }\n};\n\n// src/effects/ShockWaveEffect.js\nimport { Uniform as Uniform42, Vector2 as Vector225, Vector3 as Vector35 } from \"three\";\n\n// src/effects/glsl/shock-wave.frag\nvar shock_wave_default = \"uniform bool active;uniform vec2 center;uniform float waveSize;uniform float radius;uniform float maxRadius;uniform float amplitude;varying float vSize;void mainUv(inout vec2 uv){if(active){vec2 aspectCorrection=vec2(aspect,1.0);vec2 difference=uv*aspectCorrection-center*aspectCorrection;float distance=sqrt(dot(difference,difference))*vSize;if(distance>radius){if(distance HALF_PI;\n if (uActive.value) {\n uniforms.get(\"cameraDistance\").value = camera.position.distanceTo(position);\n v2.copy(position).project(camera);\n this.screenPosition.set((v2.x + 1) * 0.5, (v2.y + 1) * 0.5);\n }\n this.time += delta * this.speed;\n const radius = this.time - waveSize;\n uniforms.get(\"radius\").value = radius;\n if (radius >= (uniforms.get(\"maxRadius\").value + waveSize) * 2) {\n this.active = false;\n uActive.value = false;\n }\n }\n }\n};\n\n// src/effects/SelectiveBloomEffect.js\nimport {\n BasicDepthPacking as BasicDepthPacking16,\n Color as Color7,\n NotEqualDepth as NotEqualDepth2,\n EqualDepth as EqualDepth2,\n RGBADepthPacking as RGBADepthPacking5,\n sRGBEncoding as sRGBEncoding15,\n WebGLRenderTarget as WebGLRenderTarget19\n} from \"three\";\nvar SelectiveBloomEffect = class extends BloomEffect {\n constructor(scene, camera, options) {\n super(options);\n this.setAttributes(this.getAttributes() | EffectAttribute.DEPTH);\n this.camera = camera;\n this.depthPass = new DepthPass(scene, camera);\n this.clearPass = new ClearPass(true, false, false);\n this.clearPass.overrideClearColor = new Color7(0);\n this.depthMaskPass = new ShaderPass(new DepthMaskMaterial());\n const depthMaskMaterial = this.depthMaskMaterial;\n depthMaskMaterial.copyCameraSettings(camera);\n depthMaskMaterial.depthBuffer1 = this.depthPass.texture;\n depthMaskMaterial.depthPacking1 = RGBADepthPacking5;\n depthMaskMaterial.depthMode = EqualDepth2;\n this.renderTargetMasked = new WebGLRenderTarget19(1, 1, { depthBuffer: false });\n this.renderTargetMasked.texture.name = \"Bloom.Masked\";\n this.selection = new Selection();\n this.selection.layer = 11;\n this._inverted = false;\n this._ignoreBackground = false;\n }\n set mainScene(value) {\n this.depthPass.mainScene = value;\n }\n set mainCamera(value) {\n this.camera = value;\n this.depthPass.mainCamera = value;\n this.depthMaskMaterial.copyCameraSettings(value);\n }\n getSelection() {\n return this.selection;\n }\n get depthMaskMaterial() {\n return this.depthMaskPass.fullscreenMaterial;\n }\n get inverted() {\n return this._inverted;\n }\n set inverted(value) {\n this._inverted = value;\n this.depthMaskMaterial.depthMode = value ? NotEqualDepth2 : EqualDepth2;\n }\n isInverted() {\n return this.inverted;\n }\n setInverted(value) {\n this.inverted = value;\n }\n get ignoreBackground() {\n return this._ignoreBackground;\n }\n set ignoreBackground(value) {\n this._ignoreBackground = value;\n this.depthMaskMaterial.maxDepthStrategy = value ? DepthTestStrategy.DISCARD_MAX_DEPTH : DepthTestStrategy.KEEP_MAX_DEPTH;\n }\n isBackgroundDisabled() {\n return this.ignoreBackground;\n }\n setBackgroundDisabled(value) {\n this.ignoreBackground = value;\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking16) {\n this.depthMaskMaterial.depthBuffer0 = depthTexture;\n this.depthMaskMaterial.depthPacking0 = depthPacking;\n }\n update(renderer, inputBuffer, deltaTime) {\n const camera = this.camera;\n const selection = this.selection;\n const inverted = this.inverted;\n let renderTarget = inputBuffer;\n if (this.ignoreBackground || !inverted || selection.size > 0) {\n const mask = camera.layers.mask;\n camera.layers.set(selection.layer);\n this.depthPass.render(renderer);\n camera.layers.mask = mask;\n renderTarget = this.renderTargetMasked;\n this.clearPass.render(renderer, renderTarget);\n this.depthMaskPass.render(renderer, inputBuffer, renderTarget);\n }\n super.update(renderer, renderTarget, deltaTime);\n }\n setSize(width, height) {\n super.setSize(width, height);\n this.renderTargetMasked.setSize(width, height);\n this.depthPass.setSize(width, height);\n }\n initialize(renderer, alpha, frameBufferType) {\n super.initialize(renderer, alpha, frameBufferType);\n this.clearPass.initialize(renderer, alpha, frameBufferType);\n this.depthPass.initialize(renderer, alpha, frameBufferType);\n this.depthMaskPass.initialize(renderer, alpha, frameBufferType);\n if (frameBufferType !== void 0) {\n this.renderTargetMasked.texture.type = frameBufferType;\n if (renderer.outputEncoding === sRGBEncoding15) {\n this.renderTargetMasked.texture.encoding = sRGBEncoding15;\n }\n }\n }\n};\n\n// src/effects/SepiaEffect.js\nimport { Uniform as Uniform43, Vector3 as Vector36 } from \"three\";\n\n// src/effects/glsl/sepia.frag\nvar sepia_default = \"uniform vec3 weightsR;uniform vec3 weightsG;uniform vec3 weightsB;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=vec3(dot(inputColor.rgb,weightsR),dot(inputColor.rgb,weightsG),dot(inputColor.rgb,weightsB));outputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/SepiaEffect.js\nvar SepiaEffect = class extends Effect {\n constructor({ blendFunction, intensity = 1 } = {}) {\n super(\"SepiaEffect\", sepia_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"weightsR\", new Uniform43(new Vector36(0.393, 0.769, 0.189))],\n [\"weightsG\", new Uniform43(new Vector36(0.349, 0.686, 0.168))],\n [\"weightsB\", new Uniform43(new Vector36(0.272, 0.534, 0.131))]\n ])\n });\n }\n get intensity() {\n return this.blendMode.opacity.value;\n }\n set intensity(value) {\n this.blendMode.opacity.value = value;\n }\n getIntensity() {\n return this.intensity;\n }\n setIntensity(value) {\n this.intensity = value;\n }\n get weightsR() {\n return this.uniforms.get(\"weightsR\").value;\n }\n get weightsG() {\n return this.uniforms.get(\"weightsG\").value;\n }\n get weightsB() {\n return this.uniforms.get(\"weightsB\").value;\n }\n};\n\n// src/effects/SMAAEffect.js\nimport {\n BasicDepthPacking as BasicDepthPacking17,\n Color as Color8,\n LinearFilter as LinearFilter5,\n LoadingManager as LoadingManager2,\n NearestFilter as NearestFilter8,\n Texture as Texture3,\n Uniform as Uniform44,\n WebGLRenderTarget as WebGLRenderTarget20\n} from \"three\";\n\n// src/textures/smaa/searchImageDataURL.js\nvar searchImageDataURL_default = \"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEAAAAAQCAYAAACm53kpAAAAeElEQVRYR+2XSwqAMAxEJ168ePEqwRSKhIIiuHjJqiU0gWE+1CQdApcVAMUAuARaMGCX1MIL/Ow13++9lW2s3mW9MWvsnWc/2fvGygwPAN4E8QzAA4CXAB6AHjG4JTHYI1ey3pcx6FHnEfhLDOIBKAmUBK6/ANUDTlROXAHd9EC1AAAAAElFTkSuQmCC\";\n\n// src/textures/smaa/areaImageDataURL.js\nvar areaImageDataURL_default = \"data:image/png;base64,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\";\n\n// src/effects/glsl/smaa.frag\nvar smaa_default = \"uniform sampler2D weightMap;varying vec2 vOffset0;varying vec2 vOffset1;void movec(const in bvec2 c,inout vec2 variable,const in vec2 value){if(c.x){variable.x=value.x;}if(c.y){variable.y=value.y;}}void movec(const in bvec4 c,inout vec4 variable,const in vec4 value){movec(c.xy,variable.xy,value.xy);movec(c.zw,variable.zw,value.zw);}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec4 a;a.x=texture2D(weightMap,vOffset0).a;a.y=texture2D(weightMap,vOffset1).g;a.wz=texture2D(weightMap,uv).rb;vec4 color=inputColor;if(dot(a,vec4(1.0))>=1e-5){bool h=max(a.x,a.z)>max(a.y,a.w);vec4 blendingOffset=vec4(0.0,a.y,0.0,a.w);vec2 blendingWeight=a.yw;movec(bvec4(h),blendingOffset,vec4(a.x,0.0,a.z,0.0));movec(bvec2(h),blendingWeight,a.xz);blendingWeight/=dot(blendingWeight,vec2(1.0));vec4 blendingCoord=blendingOffset*vec4(texelSize,-texelSize)+uv.xyxy;color=blendingWeight.x*texture2D(inputBuffer,blendingCoord.xy);color+=blendingWeight.y*texture2D(inputBuffer,blendingCoord.zw);}outputColor=color;}\";\n\n// src/effects/glsl/smaa.vert\nvar smaa_default2 = \"varying vec2 vOffset0;varying vec2 vOffset1;void mainSupport(const in vec2 uv){vOffset0=uv+texelSize*vec2(1.0,0.0);vOffset1=uv+texelSize*vec2(0.0,1.0);}\";\n\n// src/effects/SMAAEffect.js\nvar SMAAEffect = class extends Effect {\n constructor({\n blendFunction = BlendFunction.SRC,\n preset = SMAAPreset.MEDIUM,\n edgeDetectionMode = EdgeDetectionMode.COLOR,\n predicationMode = PredicationMode.DISABLED\n } = {}) {\n super(\"SMAAEffect\", smaa_default, {\n vertexShader: smaa_default2,\n blendFunction,\n attributes: EffectAttribute.CONVOLUTION | EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"weightMap\", new Uniform44(null)]\n ])\n });\n let searchImage, areaImage;\n if (arguments.length > 1) {\n searchImage = arguments[0];\n areaImage = arguments[1];\n if (arguments.length > 2) {\n preset = arguments[2];\n }\n if (arguments.length > 3) {\n edgeDetectionMode = arguments[3];\n }\n }\n this.renderTargetEdges = new WebGLRenderTarget20(1, 1, { depthBuffer: false });\n this.renderTargetEdges.texture.name = \"SMAA.Edges\";\n this.renderTargetWeights = this.renderTargetEdges.clone();\n this.renderTargetWeights.texture.name = \"SMAA.Weights\";\n this.uniforms.get(\"weightMap\").value = this.renderTargetWeights.texture;\n this.clearPass = new ClearPass(true, false, false);\n this.clearPass.overrideClearColor = new Color8(0);\n this.clearPass.overrideClearAlpha = 1;\n this.edgeDetectionPass = new ShaderPass(new EdgeDetectionMaterial());\n this.edgeDetectionMaterial.edgeDetectionMode = edgeDetectionMode;\n this.edgeDetectionMaterial.predicationMode = predicationMode;\n this.weightsPass = new ShaderPass(new SMAAWeightsMaterial());\n const loadingManager = new LoadingManager2();\n loadingManager.onLoad = () => {\n const searchTexture = new Texture3(searchImage);\n searchTexture.name = \"SMAA.Search\";\n searchTexture.magFilter = NearestFilter8;\n searchTexture.minFilter = NearestFilter8;\n searchTexture.generateMipmaps = false;\n searchTexture.needsUpdate = true;\n searchTexture.flipY = true;\n this.weightsMaterial.searchTexture = searchTexture;\n const areaTexture = new Texture3(areaImage);\n areaTexture.name = \"SMAA.Area\";\n areaTexture.magFilter = LinearFilter5;\n areaTexture.minFilter = LinearFilter5;\n areaTexture.generateMipmaps = false;\n areaTexture.needsUpdate = true;\n areaTexture.flipY = false;\n this.weightsMaterial.areaTexture = areaTexture;\n this.dispatchEvent({ type: \"load\" });\n };\n loadingManager.itemStart(\"search\");\n loadingManager.itemStart(\"area\");\n if (searchImage !== void 0 && areaImage !== void 0) {\n loadingManager.itemEnd(\"search\");\n loadingManager.itemEnd(\"area\");\n } else if (typeof Image !== \"undefined\") {\n searchImage = new Image();\n areaImage = new Image();\n searchImage.addEventListener(\"load\", () => loadingManager.itemEnd(\"search\"));\n areaImage.addEventListener(\"load\", () => loadingManager.itemEnd(\"area\"));\n searchImage.src = searchImageDataURL_default;\n areaImage.src = areaImageDataURL_default;\n }\n this.applyPreset(preset);\n }\n get edgesTexture() {\n return this.renderTargetEdges.texture;\n }\n getEdgesTexture() {\n return this.edgesTexture;\n }\n get weightsTexture() {\n return this.renderTargetWeights.texture;\n }\n getWeightsTexture() {\n return this.weightsTexture;\n }\n get edgeDetectionMaterial() {\n return this.edgeDetectionPass.fullscreenMaterial;\n }\n get colorEdgesMaterial() {\n return this.edgeDetectionMaterial;\n }\n getEdgeDetectionMaterial() {\n return this.edgeDetectionMaterial;\n }\n get weightsMaterial() {\n return this.weightsPass.fullscreenMaterial;\n }\n getWeightsMaterial() {\n return this.weightsMaterial;\n }\n setEdgeDetectionThreshold(threshold) {\n this.edgeDetectionMaterial.edgeDetectionThreshold = threshold;\n }\n setOrthogonalSearchSteps(steps) {\n this.weightsMaterial.orthogonalSearchSteps = steps;\n }\n applyPreset(preset) {\n const edgeDetectionMaterial = this.edgeDetectionMaterial;\n const weightsMaterial = this.weightsMaterial;\n switch (preset) {\n case SMAAPreset.LOW:\n edgeDetectionMaterial.edgeDetectionThreshold = 0.15;\n weightsMaterial.orthogonalSearchSteps = 4;\n weightsMaterial.diagonalDetection = false;\n weightsMaterial.cornerDetection = false;\n break;\n case SMAAPreset.MEDIUM:\n edgeDetectionMaterial.edgeDetectionThreshold = 0.1;\n weightsMaterial.orthogonalSearchSteps = 8;\n weightsMaterial.diagonalDetection = false;\n weightsMaterial.cornerDetection = false;\n break;\n case SMAAPreset.HIGH:\n edgeDetectionMaterial.edgeDetectionThreshold = 0.1;\n weightsMaterial.orthogonalSearchSteps = 16;\n weightsMaterial.diagonalSearchSteps = 8;\n weightsMaterial.cornerRounding = 25;\n weightsMaterial.diagonalDetection = true;\n weightsMaterial.cornerDetection = true;\n break;\n case SMAAPreset.ULTRA:\n edgeDetectionMaterial.edgeDetectionThreshold = 0.05;\n weightsMaterial.orthogonalSearchSteps = 32;\n weightsMaterial.diagonalSearchSteps = 16;\n weightsMaterial.cornerRounding = 25;\n weightsMaterial.diagonalDetection = true;\n weightsMaterial.cornerDetection = true;\n break;\n }\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking17) {\n this.edgeDetectionMaterial.depthBuffer = depthTexture;\n this.edgeDetectionMaterial.depthPacking = depthPacking;\n }\n update(renderer, inputBuffer, deltaTime) {\n this.clearPass.render(renderer, this.renderTargetEdges);\n this.edgeDetectionPass.render(renderer, inputBuffer, this.renderTargetEdges);\n this.weightsPass.render(renderer, this.renderTargetEdges, this.renderTargetWeights);\n }\n setSize(width, height) {\n this.edgeDetectionMaterial.setSize(width, height);\n this.weightsMaterial.setSize(width, height);\n this.renderTargetEdges.setSize(width, height);\n this.renderTargetWeights.setSize(width, height);\n }\n dispose() {\n const { searchTexture, areaTexture } = this.weightsMaterial;\n if (searchTexture !== null && areaTexture !== null) {\n searchTexture.dispose();\n areaTexture.dispose();\n }\n super.dispose();\n }\n static get searchImageDataURL() {\n return searchImageDataURL_default;\n }\n static get areaImageDataURL() {\n return areaImageDataURL_default;\n }\n};\n\n// src/effects/SSAOEffect.js\nimport { BasicDepthPacking as BasicDepthPacking18, Color as Color9, RepeatWrapping as RepeatWrapping3, RGBAFormat as RGBAFormat5, Uniform as Uniform45, WebGLRenderTarget as WebGLRenderTarget21 } from \"three\";\n\n// src/effects/glsl/ssao.frag\nvar ssao_default3 = \"uniform lowp sampler2D aoBuffer;uniform float luminanceInfluence;uniform float intensity;\\n#if THREE_REVISION < 143\\n#define luminance(v) linearToRelativeLuminance(v)\\n#endif\\n#if defined(DEPTH_AWARE_UPSAMPLING) && defined(NORMAL_DEPTH)\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\n#endif\\n#ifdef COLORIZE\\nuniform vec3 color;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){float aoLinear=texture2D(aoBuffer,uv).r;\\n#if defined(DEPTH_AWARE_UPSAMPLING) && defined(NORMAL_DEPTH) && __VERSION__ == 300\\nvec4 normalDepth[4];normalDepth[0]=textureOffset(normalDepthBuffer,uv,ivec2(0,0));normalDepth[1]=textureOffset(normalDepthBuffer,uv,ivec2(0,1));normalDepth[2]=textureOffset(normalDepthBuffer,uv,ivec2(1,0));normalDepth[3]=textureOffset(normalDepthBuffer,uv,ivec2(1,1));float dot01=dot(normalDepth[0].rgb,normalDepth[1].rgb);float dot02=dot(normalDepth[0].rgb,normalDepth[2].rgb);float dot03=dot(normalDepth[0].rgb,normalDepth[3].rgb);float minDot=min(dot01,min(dot02,dot03));float s=step(THRESHOLD,minDot);float smallestDistance=1.0;int index;for(int i=0;i<4;++i){float distance=abs(depth-normalDepth[i].a);if(distance this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.camera = camera;\n this.depthDownsamplingPass = new DepthDownsamplingPass({ normalBuffer, resolutionScale });\n this.depthDownsamplingPass.enabled = normalDepthBuffer === null;\n this.ssaoPass = new ShaderPass(new SSAOMaterial(camera));\n const noiseTexture = new NoiseTexture(NOISE_TEXTURE_SIZE, NOISE_TEXTURE_SIZE, RGBAFormat5);\n noiseTexture.wrapS = noiseTexture.wrapT = RepeatWrapping3;\n const ssaoMaterial = this.ssaoMaterial;\n ssaoMaterial.normalBuffer = normalBuffer;\n ssaoMaterial.noiseTexture = noiseTexture;\n ssaoMaterial.minRadiusScale = minRadiusScale;\n ssaoMaterial.samples = samples;\n ssaoMaterial.radius = radius;\n ssaoMaterial.rings = rings;\n ssaoMaterial.fade = fade;\n ssaoMaterial.bias = bias;\n ssaoMaterial.distanceThreshold = distanceThreshold;\n ssaoMaterial.distanceFalloff = distanceFalloff;\n ssaoMaterial.proximityThreshold = rangeThreshold;\n ssaoMaterial.proximityFalloff = rangeFalloff;\n if (worldDistanceThreshold !== void 0) {\n ssaoMaterial.worldDistanceThreshold = worldDistanceThreshold;\n }\n if (worldDistanceFalloff !== void 0) {\n ssaoMaterial.worldDistanceFalloff = worldDistanceFalloff;\n }\n if (worldProximityThreshold !== void 0) {\n ssaoMaterial.worldProximityThreshold = worldProximityThreshold;\n }\n if (worldProximityFalloff !== void 0) {\n ssaoMaterial.worldProximityFalloff = worldProximityFalloff;\n }\n if (normalDepthBuffer !== null) {\n this.ssaoMaterial.normalDepthBuffer = normalDepthBuffer;\n this.defines.set(\"NORMAL_DEPTH\", \"1\");\n }\n this.depthAwareUpsampling = depthAwareUpsampling;\n this.color = color2;\n }\n set mainCamera(value) {\n this.camera = value;\n this.ssaoMaterial.copyCameraSettings(value);\n }\n getResolution() {\n return this.resolution;\n }\n get ssaoMaterial() {\n return this.ssaoPass.fullscreenMaterial;\n }\n getSSAOMaterial() {\n return this.ssaoMaterial;\n }\n get samples() {\n return this.ssaoMaterial.samples;\n }\n set samples(value) {\n this.ssaoMaterial.samples = value;\n }\n get rings() {\n return this.ssaoMaterial.rings;\n }\n set rings(value) {\n this.ssaoMaterial.rings = value;\n }\n get radius() {\n return this.ssaoMaterial.radius;\n }\n set radius(value) {\n this.ssaoMaterial.radius = value;\n }\n get depthAwareUpsampling() {\n return this.defines.has(\"DEPTH_AWARE_UPSAMPLING\");\n }\n set depthAwareUpsampling(value) {\n if (this.depthAwareUpsampling !== value) {\n if (value) {\n this.defines.set(\"DEPTH_AWARE_UPSAMPLING\", \"1\");\n } else {\n this.defines.delete(\"DEPTH_AWARE_UPSAMPLING\");\n }\n this.setChanged();\n }\n }\n isDepthAwareUpsamplingEnabled() {\n return this.depthAwareUpsampling;\n }\n setDepthAwareUpsamplingEnabled(value) {\n this.depthAwareUpsampling = value;\n }\n get distanceScaling() {\n return true;\n }\n set distanceScaling(value) {\n }\n get color() {\n return this.uniforms.get(\"color\").value;\n }\n set color(value) {\n const uniforms = this.uniforms;\n const defines = this.defines;\n if (value !== null) {\n if (defines.has(\"COLORIZE\")) {\n uniforms.get(\"color\").value.set(value);\n } else {\n defines.set(\"COLORIZE\", \"1\");\n uniforms.get(\"color\").value = new Color9(value);\n this.setChanged();\n }\n } else if (defines.has(\"COLORIZE\")) {\n defines.delete(\"COLORIZE\");\n uniforms.get(\"color\").value = null;\n this.setChanged();\n }\n }\n get luminanceInfluence() {\n return this.uniforms.get(\"luminanceInfluence\").value;\n }\n set luminanceInfluence(value) {\n this.uniforms.get(\"luminanceInfluence\").value = value;\n }\n get intensity() {\n return this.uniforms.get(\"intensity\").value;\n }\n set intensity(value) {\n this.uniforms.get(\"intensity\").value = value;\n }\n getColor() {\n return this.color;\n }\n setColor(value) {\n this.color = value;\n }\n setDistanceCutoff(threshold, falloff) {\n this.ssaoMaterial.distanceThreshold = threshold;\n this.ssaoMaterial.distanceFalloff = falloff;\n }\n setProximityCutoff(threshold, falloff) {\n this.ssaoMaterial.proximityThreshold = threshold;\n this.ssaoMaterial.proximityFalloff = falloff;\n }\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking18) {\n this.depthDownsamplingPass.setDepthTexture(depthTexture, depthPacking);\n this.ssaoMaterial.depthBuffer = depthTexture;\n this.ssaoMaterial.depthPacking = depthPacking;\n }\n update(renderer, inputBuffer, deltaTime) {\n const renderTarget = this.renderTarget;\n if (this.depthDownsamplingPass.enabled) {\n this.depthDownsamplingPass.render(renderer);\n }\n this.ssaoPass.render(renderer, null, renderTarget);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.ssaoMaterial.copyCameraSettings(this.camera);\n this.ssaoMaterial.setSize(w, h);\n this.renderTarget.setSize(w, h);\n this.depthDownsamplingPass.resolution.scale = resolution.scale;\n this.depthDownsamplingPass.setSize(width, height);\n }\n initialize(renderer, alpha, frameBufferType) {\n try {\n let normalDepthBuffer = this.uniforms.get(\"normalDepthBuffer\").value;\n if (normalDepthBuffer === null) {\n this.depthDownsamplingPass.initialize(renderer, alpha, frameBufferType);\n normalDepthBuffer = this.depthDownsamplingPass.texture;\n this.uniforms.get(\"normalDepthBuffer\").value = normalDepthBuffer;\n this.ssaoMaterial.normalDepthBuffer = normalDepthBuffer;\n this.defines.set(\"NORMAL_DEPTH\", \"1\");\n }\n } catch (e) {\n this.depthDownsamplingPass.enabled = false;\n }\n }\n};\n\n// src/effects/TextureEffect.js\nimport { Uniform as Uniform46, UnsignedByteType as UnsignedByteType17 } from \"three\";\n\n// src/effects/glsl/texture.frag\nvar texture_default = \"#ifdef TEXTURE_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nvarying vec2 vUv2;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){\\n#ifdef UV_TRANSFORM\\nvec4 texel=texelToLinear(texture2D(map,vUv2));\\n#else\\nvec4 texel=texelToLinear(texture2D(map,uv));\\n#endif\\noutputColor=TEXEL;}\";\n\n// src/effects/glsl/texture.vert\nvar texture_default2 = \"#ifdef ASPECT_CORRECTION\\nuniform float scale;\\n#else\\nuniform mat3 uvTransform;\\n#endif\\nvarying vec2 vUv2;void mainSupport(const in vec2 uv){\\n#ifdef ASPECT_CORRECTION\\nvUv2=uv*vec2(aspect,1.0)*scale;\\n#else\\nvUv2=(uvTransform*vec3(uv,1.0)).xy;\\n#endif\\n}\";\n\n// src/effects/TextureEffect.js\nvar TextureEffect = class extends Effect {\n constructor({ blendFunction, texture = null, aspectCorrection = false } = {}) {\n super(\"TextureEffect\", texture_default, {\n blendFunction,\n defines: /* @__PURE__ */ new Map([\n [\"TEXEL\", \"texel\"]\n ]),\n uniforms: /* @__PURE__ */ new Map([\n [\"map\", new Uniform46(null)],\n [\"scale\", new Uniform46(1)],\n [\"uvTransform\", new Uniform46(null)]\n ])\n });\n this.texture = texture;\n this.aspectCorrection = aspectCorrection;\n }\n get texture() {\n return this.uniforms.get(\"map\").value;\n }\n set texture(value) {\n const prevTexture = this.texture;\n const uniforms = this.uniforms;\n const defines = this.defines;\n if (prevTexture !== value) {\n uniforms.get(\"map\").value = value;\n uniforms.get(\"uvTransform\").value = value.matrix;\n defines.delete(\"TEXTURE_PRECISION_HIGH\");\n if (this.renderer !== null) {\n const decoding = getTextureDecoding(value, this.renderer.capabilities.isWebGL2);\n defines.set(\"texelToLinear(texel)\", decoding);\n }\n if (value !== null) {\n if (value.matrixAutoUpdate) {\n defines.set(\"UV_TRANSFORM\", \"1\");\n this.setVertexShader(texture_default2);\n } else {\n defines.delete(\"UV_TRANSFORM\");\n this.setVertexShader(null);\n }\n if (value.type !== UnsignedByteType17) {\n defines.set(\"TEXTURE_PRECISION_HIGH\", \"1\");\n }\n if (prevTexture === null || prevTexture.type !== value.type || prevTexture.encoding !== value.encoding) {\n this.setChanged();\n }\n }\n }\n }\n getTexture() {\n return this.texture;\n }\n setTexture(value) {\n this.texture = value;\n }\n get aspectCorrection() {\n return this.defines.has(\"ASPECT_CORRECTION\");\n }\n set aspectCorrection(value) {\n if (this.aspectCorrection !== value) {\n if (value) {\n this.defines.set(\"ASPECT_CORRECTION\", \"1\");\n } else {\n this.defines.delete(\"ASPECT_CORRECTION\");\n }\n this.setChanged();\n }\n }\n get uvTransform() {\n const texture = this.texture;\n return texture !== null && texture.matrixAutoUpdate;\n }\n set uvTransform(value) {\n const texture = this.texture;\n if (texture !== null) {\n texture.matrixAutoUpdate = value;\n }\n }\n setTextureSwizzleRGBA(r, g = r, b = r, a = r) {\n const rgba = \"rgba\";\n let swizzle = \"\";\n if (r !== ColorChannel.RED || g !== ColorChannel.GREEN || b !== ColorChannel.BLUE || a !== ColorChannel.ALPHA) {\n swizzle = [\".\", rgba[r], rgba[g], rgba[b], rgba[a]].join(\"\");\n }\n this.defines.set(\"TEXEL\", \"texel\" + swizzle);\n this.setChanged();\n }\n update(renderer, inputBuffer, deltaTime) {\n if (this.texture.matrixAutoUpdate) {\n this.texture.updateMatrix();\n }\n }\n initialize(renderer, alpha, frameBufferType) {\n const decoding = getTextureDecoding(this.texture, renderer.capabilities.isWebGL2);\n this.defines.set(\"texelToLinear(texel)\", decoding);\n this.renderer = renderer;\n }\n};\n\n// src/effects/TiltShiftEffect.js\nimport { sRGBEncoding as sRGBEncoding16, Uniform as Uniform47, Vector2 as Vector226, Vector4 as Vector45, WebGLRenderTarget as WebGLRenderTarget22 } from \"three\";\n\n// src/effects/glsl/tilt-shift.frag\nvar tilt_shift_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nuniform vec4 maskParams;varying vec2 vUv2;float linearGradientMask(const in float x){return smoothstep(maskParams.x,maskParams.y,x)-smoothstep(maskParams.w,maskParams.z,x);}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){float mask=linearGradientMask(vUv2.y);vec4 texel=texture2D(map,uv);outputColor=mix(texel,inputColor,mask);}\";\n\n// src/effects/glsl/tilt-shift.vert\nvar tilt_shift_default2 = \"uniform vec2 rotation;varying vec2 vUv2;void mainSupport(const in vec2 uv){vUv2=(uv-0.5)*2.0*vec2(aspect,1.0);vUv2=vec2(dot(rotation,vUv2),dot(rotation,vec2(vUv2.y,-vUv2.x)));}\";\n\n// src/effects/TiltShiftEffect.js\nvar TiltShiftEffect = class extends Effect {\n constructor({\n blendFunction,\n offset = 0,\n rotation = 0,\n focusArea = 0.4,\n feather = 0.3,\n bias = 0.06,\n kernelSize = KernelSize.MEDIUM,\n resolutionScale = 0.5,\n resolutionX = Resolution.AUTO_SIZE,\n resolutionY = Resolution.AUTO_SIZE\n } = {}) {\n super(\"TiltShiftEffect\", tilt_shift_default, {\n vertexShader: tilt_shift_default2,\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"rotation\", new Uniform47(new Vector226())],\n [\"maskParams\", new Uniform47(new Vector45())],\n [\"map\", new Uniform47(null)]\n ])\n });\n this._offset = offset;\n this._focusArea = focusArea;\n this._feather = feather;\n this._bias = bias;\n this.renderTarget = new WebGLRenderTarget22(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"TiltShift.Target\";\n this.uniforms.get(\"map\").value = this.renderTarget.texture;\n this.blurPass = new TiltShiftBlurPass({\n kernelSize,\n resolutionScale,\n resolutionX,\n resolutionY,\n offset,\n rotation,\n focusArea,\n feather\n });\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.rotation = rotation;\n this.updateParams();\n }\n updateParams() {\n const params = this.uniforms.get(\"maskParams\").value;\n const a = Math.max(this.focusArea - this.bias, 0);\n const b = Math.max(a - Math.max(this.feather - this.bias, 0), 0);\n params.set(\n this.offset - a,\n this.offset - b,\n this.offset + a,\n this.offset + b\n );\n }\n get rotation() {\n return Math.acos(this.uniforms.get(\"rotation\").value.x);\n }\n set rotation(value) {\n this.uniforms.get(\"rotation\").value.set(Math.cos(value), Math.sin(value));\n this.blurPass.blurMaterial.rotation = value;\n }\n get offset() {\n return this._offset;\n }\n set offset(value) {\n this._offset = value;\n this.blurPass.blurMaterial.offset = value;\n this.updateParams();\n }\n get focusArea() {\n return this._focusArea;\n }\n set focusArea(value) {\n this._focusArea = value;\n this.blurPass.blurMaterial.focusArea = value;\n this.updateParams();\n }\n get feather() {\n return this._feather;\n }\n set feather(value) {\n this._feather = value;\n this.blurPass.blurMaterial.feather = value;\n this.updateParams();\n }\n get bias() {\n return this._bias;\n }\n set bias(value) {\n this._bias = value;\n this.updateParams();\n }\n update(renderer, inputBuffer, deltaTime) {\n this.blurPass.render(renderer, inputBuffer, this.renderTarget);\n }\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n this.blurPass.resolution.copy(resolution);\n }\n initialize(renderer, alpha, frameBufferType) {\n this.blurPass.initialize(renderer, alpha, frameBufferType);\n if (frameBufferType !== void 0) {\n this.renderTarget.texture.type = frameBufferType;\n if (renderer.outputEncoding === sRGBEncoding16) {\n this.renderTarget.texture.encoding = sRGBEncoding16;\n }\n }\n }\n};\n\n// src/effects/ToneMappingEffect.js\nimport { LinearMipmapLinearFilter, Uniform as Uniform48, WebGLRenderTarget as WebGLRenderTarget23 } from \"three\";\n\n// src/effects/glsl/tone-mapping.frag\nvar tone_mapping_default = \"#include \\n#if THREE_REVISION < 143\\n#define luminance(v) linearToRelativeLuminance(v)\\n#endif\\nuniform lowp sampler2D luminanceBuffer;uniform float whitePoint;uniform float middleGrey;\\n#if TONE_MAPPING_MODE != 2\\nuniform float averageLuminance;\\n#endif\\nvec3 Reinhard2ToneMapping(vec3 color){color*=toneMappingExposure;float l=luminance(color);\\n#if TONE_MAPPING_MODE == 2\\nfloat lumAvg=unpackRGBAToFloat(texture2D(luminanceBuffer,vec2(0.5)));\\n#else\\nfloat lumAvg=averageLuminance;\\n#endif\\nfloat lumScaled=(l*middleGrey)/max(lumAvg,1e-6);float lumCompressed=lumScaled*(1.0+lumScaled/(whitePoint*whitePoint));lumCompressed/=(1.0+lumScaled);return clamp(lumCompressed*color,0.0,1.0);}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){\\n#if TONE_MAPPING_MODE == 1 || TONE_MAPPING_MODE == 2\\noutputColor=vec4(Reinhard2ToneMapping(inputColor.rgb),inputColor.a);\\n#else\\noutputColor=vec4(toneMapping(inputColor.rgb),inputColor.a);\\n#endif\\n}\";\n\n// src/effects/ToneMappingEffect.js\nvar ToneMappingEffect = class extends Effect {\n constructor({\n blendFunction = BlendFunction.SRC,\n adaptive = true,\n mode = adaptive ? ToneMappingMode.REINHARD2_ADAPTIVE : ToneMappingMode.REINHARD2,\n resolution = 256,\n maxLuminance = 16,\n whitePoint = maxLuminance,\n middleGrey = 0.6,\n minLuminance = 0.01,\n averageLuminance = 1,\n adaptationRate = 1\n } = {}) {\n super(\"ToneMappingEffect\", tone_mapping_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"luminanceBuffer\", new Uniform48(null)],\n [\"maxLuminance\", new Uniform48(maxLuminance)],\n [\"whitePoint\", new Uniform48(whitePoint)],\n [\"middleGrey\", new Uniform48(middleGrey)],\n [\"averageLuminance\", new Uniform48(averageLuminance)]\n ])\n });\n this.renderTargetLuminance = new WebGLRenderTarget23(1, 1, {\n minFilter: LinearMipmapLinearFilter,\n depthBuffer: false\n });\n this.renderTargetLuminance.texture.generateMipmaps = true;\n this.renderTargetLuminance.texture.name = \"Luminance\";\n this.luminancePass = new LuminancePass({\n renderTarget: this.renderTargetLuminance\n });\n this.adaptiveLuminancePass = new AdaptiveLuminancePass(this.luminancePass.texture, {\n minLuminance,\n adaptationRate\n });\n this.uniforms.get(\"luminanceBuffer\").value = this.adaptiveLuminancePass.texture;\n this.resolution = resolution;\n this.mode = mode;\n }\n get mode() {\n return Number(this.defines.get(\"TONE_MAPPING_MODE\"));\n }\n set mode(value) {\n if (this.mode !== value) {\n this.defines.clear();\n this.defines.set(\"TONE_MAPPING_MODE\", value.toFixed(0));\n switch (value) {\n case ToneMappingMode.REINHARD:\n this.defines.set(\"toneMapping(texel)\", \"ReinhardToneMapping(texel)\");\n break;\n case ToneMappingMode.OPTIMIZED_CINEON:\n this.defines.set(\"toneMapping(texel)\", \"OptimizedCineonToneMapping(texel)\");\n break;\n case ToneMappingMode.ACES_FILMIC:\n this.defines.set(\"toneMapping(texel)\", \"ACESFilmicToneMapping(texel)\");\n break;\n default:\n this.defines.set(\"toneMapping(texel)\", \"texel\");\n break;\n }\n this.adaptiveLuminancePass.enabled = value === ToneMappingMode.REINHARD2_ADAPTIVE;\n this.setChanged();\n }\n }\n getMode() {\n return this.mode;\n }\n setMode(value) {\n this.mode = value;\n }\n get whitePoint() {\n return this.uniforms.get(\"whitePoint\").value;\n }\n set whitePoint(value) {\n this.uniforms.get(\"whitePoint\").value = value;\n }\n get middleGrey() {\n return this.uniforms.get(\"middleGrey\").value;\n }\n set middleGrey(value) {\n this.uniforms.get(\"middleGrey\").value = value;\n }\n get averageLuminance() {\n return this.uniforms.get(\"averageLuminance\").value;\n }\n set averageLuminance(value) {\n this.uniforms.get(\"averageLuminance\").value = value;\n }\n get adaptiveLuminanceMaterial() {\n return this.adaptiveLuminancePass.fullscreenMaterial;\n }\n getAdaptiveLuminanceMaterial() {\n return this.adaptiveLuminanceMaterial;\n }\n get resolution() {\n return this.luminancePass.resolution.width;\n }\n set resolution(value) {\n const exponent = Math.max(0, Math.ceil(Math.log2(value)));\n const size = Math.pow(2, exponent);\n this.luminancePass.resolution.setPreferredSize(size, size);\n this.adaptiveLuminanceMaterial.mipLevel1x1 = exponent;\n }\n getResolution() {\n return this.resolution;\n }\n setResolution(value) {\n this.resolution = value;\n }\n get adaptive() {\n return this.mode === ToneMappingMode.REINHARD2_ADAPTIVE;\n }\n set adaptive(value) {\n this.mode = value ? ToneMappingMode.REINHARD2_ADAPTIVE : ToneMappingMode.REINHARD2;\n }\n get adaptationRate() {\n return this.adaptiveLuminanceMaterial.adaptationRate;\n }\n set adaptationRate(value) {\n this.adaptiveLuminanceMaterial.adaptationRate = value;\n }\n get distinction() {\n console.warn(this.name, \"distinction was removed.\");\n return 1;\n }\n set distinction(value) {\n console.warn(this.name, \"distinction was removed.\");\n }\n update(renderer, inputBuffer, deltaTime) {\n if (this.adaptiveLuminancePass.enabled) {\n this.luminancePass.render(renderer, inputBuffer);\n this.adaptiveLuminancePass.render(renderer, null, null, deltaTime);\n }\n }\n initialize(renderer, alpha, frameBufferType) {\n this.adaptiveLuminancePass.initialize(renderer, alpha, frameBufferType);\n }\n};\n\n// src/effects/VignetteEffect.js\nimport { Uniform as Uniform49 } from \"three\";\n\n// src/effects/glsl/vignette.frag\nvar vignette_default = \"uniform float offset;uniform float darkness;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){const vec2 center=vec2(0.5);vec3 color=inputColor.rgb;\\n#if VIGNETTE_TECHNIQUE == 0\\nfloat d=distance(uv,center);color*=smoothstep(0.8,offset*0.799,d*(darkness+offset));\\n#else\\nvec2 coord=(uv-center)*vec2(offset);color=mix(color,vec3(1.0-darkness),dot(coord,coord));\\n#endif\\noutputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/VignetteEffect.js\nvar VignetteEffect = class extends Effect {\n constructor({\n blendFunction,\n technique = VignetteTechnique.DEFAULT,\n eskil = false,\n offset = 0.5,\n darkness = 0.5\n } = {}) {\n super(\"VignetteEffect\", vignette_default, {\n blendFunction,\n defines: /* @__PURE__ */ new Map([\n [\"VIGNETTE_TECHNIQUE\", technique.toFixed(0)]\n ]),\n uniforms: /* @__PURE__ */ new Map([\n [\"offset\", new Uniform49(offset)],\n [\"darkness\", new Uniform49(darkness)]\n ])\n });\n }\n get technique() {\n return Number(this.defines.get(\"VIGNETTE_TECHNIQUE\"));\n }\n set technique(value) {\n if (this.technique !== value) {\n this.defines.set(\"VIGNETTE_TECHNIQUE\", value.toFixed(0));\n this.setChanged();\n }\n }\n get eskil() {\n return this.technique === VignetteTechnique.ESKIL;\n }\n set eskil(value) {\n this.technique = value ? VignetteTechnique.ESKIL : VignetteTechnique.DEFAULT;\n }\n getTechnique() {\n return this.technique;\n }\n setTechnique(value) {\n this.technique = value;\n }\n get offset() {\n return this.uniforms.get(\"offset\").value;\n }\n set offset(value) {\n this.uniforms.get(\"offset\").value = value;\n }\n getOffset() {\n return this.offset;\n }\n setOffset(value) {\n this.offset = value;\n }\n get darkness() {\n return this.uniforms.get(\"darkness\").value;\n }\n set darkness(value) {\n this.uniforms.get(\"darkness\").value = value;\n }\n getDarkness() {\n return this.darkness;\n }\n setDarkness(value) {\n this.darkness = value;\n }\n};\n\n// src/loaders/LUT3dlLoader.js\nimport { FileLoader, Loader, LoadingManager as LoadingManager3 } from \"three\";\nvar LUT3dlLoader = class extends Loader {\n load(url, onLoad = () => {\n }, onProgress = () => {\n }, onError = null) {\n const externalManager = this.manager;\n const internalManager = new LoadingManager3();\n const loader = new FileLoader(internalManager);\n loader.setPath(this.path);\n loader.setResponseType(\"text\");\n return new Promise((resolve, reject) => {\n internalManager.onError = (url2) => {\n externalManager.itemError(url2);\n if (onError !== null) {\n onError(`Failed to load ${url2}`);\n resolve();\n } else {\n reject(`Failed to load ${url2}`);\n }\n };\n externalManager.itemStart(url);\n loader.load(url, (data) => {\n try {\n const result = this.parse(data);\n externalManager.itemEnd(url);\n onLoad(result);\n resolve(result);\n } catch (e) {\n console.error(e);\n internalManager.onError(url);\n }\n }, onProgress);\n });\n }\n parse(input) {\n const regExpGridInfo = /^[\\d ]+$/m;\n const regExpDataPoints = /^([\\d.e+-]+) +([\\d.e+-]+) +([\\d.e+-]+) *$/gm;\n let result = regExpGridInfo.exec(input);\n if (result === null) {\n throw new Error(\"Missing grid information\");\n }\n const gridLines = result[0].trim().split(/\\s+/g).map((n) => Number(n));\n const gridStep = gridLines[1] - gridLines[0];\n const size = gridLines.length;\n const sizeSq = size ** 2;\n for (let i = 1, l = gridLines.length; i < l; ++i) {\n if (gridStep !== gridLines[i] - gridLines[i - 1]) {\n throw new Error(\"Inconsistent grid size\");\n }\n }\n const data = new Float32Array(size ** 3 * 4);\n let maxValue = 0;\n let index = 0;\n while ((result = regExpDataPoints.exec(input)) !== null) {\n const r = Number(result[1]);\n const g = Number(result[2]);\n const b = Number(result[3]);\n maxValue = Math.max(maxValue, r, g, b);\n const bLayer = index % size;\n const gLayer = Math.floor(index / size) % size;\n const rLayer = Math.floor(index / sizeSq) % size;\n const d4 = (bLayer * sizeSq + gLayer * size + rLayer) * 4;\n data[d4 + 0] = r;\n data[d4 + 1] = g;\n data[d4 + 2] = b;\n data[d4 + 3] = 1;\n ++index;\n }\n const bits = Math.ceil(Math.log2(maxValue));\n const maxBitValue = Math.pow(2, bits);\n for (let i = 0, l = data.length; i < l; i += 4) {\n data[i + 0] /= maxBitValue;\n data[i + 1] /= maxBitValue;\n data[i + 2] /= maxBitValue;\n }\n return new LookupTexture(data, size);\n }\n};\n\n// src/loaders/LUTCubeLoader.js\nimport { FileLoader as FileLoader2, Loader as Loader2, LoadingManager as LoadingManager4, Vector3 as Vector37 } from \"three\";\nvar LUTCubeLoader = class extends Loader2 {\n load(url, onLoad = () => {\n }, onProgress = () => {\n }, onError = null) {\n const externalManager = this.manager;\n const internalManager = new LoadingManager4();\n const loader = new FileLoader2(internalManager);\n loader.setPath(this.path);\n loader.setResponseType(\"text\");\n return new Promise((resolve, reject) => {\n internalManager.onError = (url2) => {\n externalManager.itemError(url2);\n if (onError !== null) {\n onError(`Failed to load ${url2}`);\n resolve();\n } else {\n reject(`Failed to load ${url2}`);\n }\n };\n externalManager.itemStart(url);\n loader.load(url, (data) => {\n try {\n const result = this.parse(data);\n externalManager.itemEnd(url);\n onLoad(result);\n resolve(result);\n } catch (e) {\n console.error(e);\n internalManager.onError(url);\n }\n }, onProgress);\n });\n }\n parse(input) {\n const regExpTitle = /TITLE +\"([^\"]*)\"/;\n const regExpSize = /LUT_3D_SIZE +(\\d+)/;\n const regExpDomainMin = /DOMAIN_MIN +([\\d.]+) +([\\d.]+) +([\\d.]+)/;\n const regExpDomainMax = /DOMAIN_MAX +([\\d.]+) +([\\d.]+) +([\\d.]+)/;\n const regExpDataPoints = /^([\\d.e+-]+) +([\\d.e+-]+) +([\\d.e+-]+) *$/gm;\n let result = regExpTitle.exec(input);\n const title = result !== null ? result[1] : null;\n result = regExpSize.exec(input);\n if (result === null) {\n throw new Error(\"Missing LUT_3D_SIZE information\");\n }\n const size = Number(result[1]);\n const data = new Float32Array(size ** 3 * 4);\n const domainMin = new Vector37(0, 0, 0);\n const domainMax = new Vector37(1, 1, 1);\n result = regExpDomainMin.exec(input);\n if (result !== null) {\n domainMin.set(Number(result[1]), Number(result[2]), Number(result[3]));\n }\n result = regExpDomainMax.exec(input);\n if (result !== null) {\n domainMax.set(Number(result[1]), Number(result[2]), Number(result[3]));\n }\n if (domainMin.x > domainMax.x || domainMin.y > domainMax.y || domainMin.z > domainMax.z) {\n domainMin.set(0, 0, 0);\n domainMax.set(1, 1, 1);\n throw new Error(\"Invalid input domain\");\n }\n let i = 0;\n while ((result = regExpDataPoints.exec(input)) !== null) {\n data[i++] = Number(result[1]);\n data[i++] = Number(result[2]);\n data[i++] = Number(result[3]);\n data[i++] = 1;\n }\n const lut = new LookupTexture(data, size);\n lut.domainMin.copy(domainMin);\n lut.domainMax.copy(domainMax);\n if (title !== null) {\n lut.name = title;\n }\n return lut;\n }\n};\n\n// src/loaders/SMAAImageLoader.js\nimport { Loader as Loader3, LoadingManager as LoadingManager5 } from \"three\";\nvar SMAAImageLoader = class extends Loader3 {\n load(onLoad = () => {\n }, onError = null) {\n if (arguments.length === 4) {\n onLoad = arguments[1];\n onError = arguments[3];\n } else if (arguments.length === 3 || typeof arguments[0] !== \"function\") {\n onLoad = arguments[1];\n onError = null;\n }\n const externalManager = this.manager;\n const internalManager = new LoadingManager5();\n return new Promise((resolve, reject) => {\n const searchImage = new Image();\n const areaImage = new Image();\n internalManager.onError = (url) => {\n externalManager.itemError(url);\n if (onError !== null) {\n onError(`Failed to load ${url}`);\n resolve();\n } else {\n reject(`Failed to load ${url}`);\n }\n };\n internalManager.onLoad = () => {\n const result = [searchImage, areaImage];\n onLoad(result);\n resolve(result);\n };\n searchImage.addEventListener(\"error\", (e) => {\n internalManager.itemError(\"smaa-search\");\n });\n areaImage.addEventListener(\"error\", (e) => {\n internalManager.itemError(\"smaa-area\");\n });\n searchImage.addEventListener(\"load\", () => {\n externalManager.itemEnd(\"smaa-search\");\n internalManager.itemEnd(\"smaa-search\");\n });\n areaImage.addEventListener(\"load\", () => {\n externalManager.itemEnd(\"smaa-area\");\n internalManager.itemEnd(\"smaa-area\");\n });\n externalManager.itemStart(\"smaa-search\");\n externalManager.itemStart(\"smaa-area\");\n internalManager.itemStart(\"smaa-search\");\n internalManager.itemStart(\"smaa-area\");\n searchImage.src = searchImageDataURL_default;\n areaImage.src = areaImageDataURL_default;\n });\n }\n};\nexport {\n AdaptiveLuminanceMaterial,\n AdaptiveLuminancePass,\n BlendFunction,\n BlendMode,\n BloomEffect,\n KawaseBlurPass as BlurPass,\n BokehEffect,\n BokehMaterial,\n BoxBlurMaterial,\n BoxBlurPass,\n BrightnessContrastEffect,\n ChromaticAberrationEffect,\n CircleOfConfusionMaterial,\n ClearMaskPass,\n ClearPass,\n ColorAverageEffect,\n ColorChannel,\n ColorDepthEffect,\n EdgeDetectionMaterial as ColorEdgesMaterial,\n KawaseBlurMaterial as ConvolutionMaterial,\n CopyMaterial,\n CopyPass,\n DepthComparisonMaterial,\n DepthCopyMaterial,\n DepthCopyMode,\n DepthCopyPass,\n DepthDownsamplingMaterial,\n DepthDownsamplingPass,\n DepthEffect,\n DepthMaskMaterial,\n DepthOfFieldEffect,\n DepthPass,\n DepthPickingPass,\n DepthCopyPass as DepthSavePass,\n DepthTestStrategy,\n Disposable,\n DotScreenEffect,\n DownsamplingMaterial,\n EdgeDetectionMaterial,\n EdgeDetectionMode,\n Effect,\n EffectAttribute,\n EffectComposer,\n EffectMaterial,\n EffectPass,\n EffectShaderData,\n EffectShaderSection,\n FXAAEffect,\n GammaCorrectionEffect,\n GaussKernel,\n GaussianBlurMaterial,\n GaussianBlurPass,\n GlitchEffect,\n GlitchMode,\n GodRaysEffect,\n GodRaysMaterial,\n GridEffect,\n HueSaturationEffect,\n Initializable,\n KawaseBlurMaterial,\n KawaseBlurPass,\n KernelSize,\n LUT1DEffect,\n LUT3DEffect,\n LUT3dlLoader,\n LUTCubeLoader,\n LUT3DEffect as LUTEffect,\n LUTOperation,\n LambdaPass,\n LookupTexture,\n LookupTexture as LookupTexture3D,\n LuminanceMaterial,\n LuminancePass,\n MaskFunction,\n MaskMaterial,\n MaskPass,\n MipmapBlurPass,\n NoiseEffect,\n NoiseTexture,\n NormalPass,\n OutlineMaterial as OutlineEdgesMaterial,\n OutlineEffect,\n OutlineMaterial,\n OverrideMaterialManager,\n Pass,\n PixelationEffect,\n PredicationMode,\n RawImageData,\n RealisticBokehEffect,\n RenderPass,\n Resizable,\n Resolution as Resizer,\n Resolution,\n SMAAAreaImageData,\n SMAAEffect,\n SMAAImageGenerator,\n SMAAImageLoader,\n SMAAPreset,\n SMAASearchImageData,\n SMAAWeightsMaterial,\n SSAOEffect,\n SSAOMaterial,\n CopyPass as SavePass,\n ScanlineEffect,\n EffectShaderSection as Section,\n Selection,\n SelectiveBloomEffect,\n SepiaEffect,\n ShaderPass,\n ShockWaveEffect,\n TetrahedralUpscaler,\n TextureEffect,\n TiltShiftBlurMaterial,\n TiltShiftBlurPass,\n TiltShiftEffect,\n Timer,\n ToneMappingEffect,\n ToneMappingMode,\n UpsamplingMaterial,\n VignetteEffect,\n VignetteTechnique,\n WebGLExtension\n};\n", "import { getScaleFactor } from './Scale';\n\n/**\n * @ignore\n */\nexport function getOrbitShaderFragment() {\n return `\n varying vec3 vColor;\n uniform sampler2D texture;\n\n void main() {\n gl_FragColor = vec4(vColor, 1.0) * texture2D(texture, gl_PointCoord);\n }\n `;\n}\n\n/**\n * @ignore\n */\nexport function getOrbitShaderVertex() {\n return `\n attribute vec3 fuzzColor;\n attribute vec3 origin;\n varying vec3 vColor;\n\n attribute float size;\n\n attribute float a;\n attribute float e;\n attribute float i;\n attribute float om;\n attribute float wBar;\n attribute float M;\n\n // Perihelion distance\n attribute float q;\n\n // CPU-computed term for parabolic orbits\n attribute float a0;\n\n // COSH Function (Hyperbolic Cosine)\n float cosh(float val) {\n float tmp = exp(val);\n float cosH = (tmp + 1.0 / tmp) / 2.0;\n return cosH;\n }\n\n // TANH Function (Hyperbolic Tangent)\n float tanh(float val) {\n float tmp = exp(val);\n float tanH = (tmp - 1.0 / tmp) / (tmp + 1.0 / tmp);\n return tanH;\n }\n\n // SINH Function (Hyperbolic Sine)\n float sinh(float val) {\n float tmp = exp(val);\n float sinH = (tmp - 1.0 / tmp) / 2.0;\n return sinH;\n }\n\n // Cube root helper that assumes param is positive\n float cbrt(float x) {\n return exp(log(x) / 3.0);\n }\n\n vec3 getPosNearParabolic() {\n // See https://stjarnhimlen.se/comp/ppcomp.html#17\n float b = sqrt(1.0 + a0 * a0);\n float W = cbrt(b + a0) - cbrt(b - a0);\n float f = (1.0 - e) / (1.0 + e);\n\n float a1 = 2.0 / 3.0 + (2.0 / 5.0) * W * W;\n float a2 = 7.0 / 5.0 + (33.0 / 35.0) * W * W + (37.0 / 175.0) * pow(W, 4.0);\n float a3 =\n W * W * (432.0 / 175.0 + (956.0 / 1125.0) * W * W + (84.0 / 1575.0) * pow(W, 4.0));\n\n float C = (W * W) / (1.0 + W * W);\n float g = f * C * C;\n float w = W * (1.0 + f * C * (a1 + a2 * g + a3 * g * g));\n\n // True anomaly\n float v = 2.0 * atan(w);\n // Heliocentric distance\n float r = (q * (1.0 + w * w)) / (1.0 + w * w * f);\n\n // Compute heliocentric coords.\n float i_rad = i;\n float o_rad = om;\n float p_rad = wBar;\n float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n return vec3(X, Y, Z);\n }\n\n vec3 getPosHyperbolic() {\n float F0 = M;\n for (int count = 0; count < 100; count++) {\n float F1 = (M + e * (F0 * cosh(F0) - sinh(F0))) / (e * cosh(F0) - 1.0);\n float lastdiff = abs(F1 - F0);\n F0 = F1;\n\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n float F = F0;\n\n float v = 2.0 * atan(sqrt((e + 1.0) / (e - 1.0))) * tanh(F / 2.0);\n float r = ${getScaleFactor().toFixed(\n 1,\n )} * (a * (1.0 - e * e)) / (1.0 + e * cos(v));\n\n // Compute heliocentric coords.\n float i_rad = i;\n float o_rad = om;\n float p_rad = wBar;\n float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n return vec3(X, Y, Z);\n }\n\n vec3 getPosEllipsoid() {\n float i_rad = i;\n float o_rad = om;\n float p_rad = wBar;\n\n // Estimate eccentric and true anom using iterative approximation (this\n // is normally an intergral).\n float E0 = M;\n float E1 = M + e * sin(E0);\n float lastdiff = abs(E1-E0);\n E0 = E1;\n\n for (int count = 0; count < 100; count++) {\n E1 = M + e * sin(E0);\n lastdiff = abs(E1-E0);\n E0 = E1;\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n\n float E = E0;\n float v = 2.0 * atan(sqrt((1.0+e)/(1.0-e)) * tan(E/2.0));\n\n // Compute radius vector.\n float r = ${getScaleFactor().toFixed(\n 1,\n )} * a * (1.0 - e * e) / (1.0 + e * cos(v));\n\n // Compute heliocentric coords.\n float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n return vec3(X, Y, Z);\n }\n\n vec3 getPos() {\n if (e > 0.9 && e < 1.2) {\n return getPosNearParabolic();\n } else if (e > 1.2) {\n return getPosHyperbolic();\n }\n return getPosEllipsoid();\n }\n\n void main() {\n vColor = fuzzColor;\n\n vec3 newpos = getPos() + origin;\n vec4 mvPosition = modelViewMatrix * vec4(newpos, 1.0);\n gl_Position = projectionMatrix * mvPosition;\n gl_PointSize = size;\n }\n `;\n}\n\nexport const STAR_SHADER_FRAGMENT = `\n varying vec3 vColor;\n\n void main() {\n float a = 1.0 - 2.0 * length(gl_PointCoord - vec2(0.5, 0.5));\n gl_FragColor = vec4(vColor, a);\n }\n`;\n\nexport const STAR_SHADER_VERTEX = `\n attribute float size;\n varying vec3 vColor;\n\n void main() {\n vColor = color;\n vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);\n gl_PointSize = size;\n gl_Position = projectionMatrix * mvPosition;\n }\n`;\n\nexport const GENERIC_PARTICLE_SHADER_VERTEX = `\n attribute float size;\n attribute vec3 customColor;\n varying vec3 vColor;\n void main() {\n vColor = customColor;\n vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);\n gl_PointSize = size * (300.0 / -mvPosition.z);\n gl_Position = projectionMatrix * mvPosition;\n }\n`;\n\nexport const GENERIC_PARTICLE_SHADER_FRAGMENT = `\n uniform vec3 color;\n uniform sampler2D texture;\n varying vec3 vColor;\n void main() {\n gl_FragColor = vec4(color * vColor, 1.0);\n gl_FragColor = gl_FragColor * texture2D(texture, gl_PointCoord);\n if (gl_FragColor.a < ALPHATEST) discard;\n }\n`;\n\nexport const ATMOSPHERE_SHADER_VERTEX = `\n uniform vec3 lightPos;\n\n varying vec2 vUv;\n varying vec3 vecPos;\n varying vec3 vecNormal;\n //varying vec3 vNormal;\n\n varying vec3 vViewLightPos;\n\n void main() {\n //vNormal = normalize(normalMatrix * normal);\n //gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\n\n vUv = uv;\n // Since the light is in camera coordinates,\n // I'll need the vertex position in camera coords too\n vecPos = (modelViewMatrix * vec4(position, 1.0)).xyz;\n // That's NOT exacly how you should transform your\n // normals but this will work fine, since my model\n // matrix is pretty basic\n vecNormal = (modelViewMatrix * vec4(normal, 0.0)).xyz;\n vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz;\n gl_Position = projectionMatrix * vec4(vecPos, 1.0);\n }\n`;\n\n// With help from https://stackoverflow.com/questions/43621274/how-to-correctly-set-lighting-for-custom-shader-material\nexport const ATMOSPHERE_SHADER_FRAGMENT = `\n uniform float c;\n uniform float p;\n uniform vec3 color;\n\n varying vec2 vUv;\n varying vec3 vecPos;\n varying vec3 vecNormal;\n varying vec3 vViewLightPos;\n\n void main() {\n float intensity = pow(c - dot(vecNormal, vec3(0.0, 0.0, 1.0)), p);\n\n vec4 addedLights = vec4(0.0, 0.0, 0.0, 1.0);\n vec3 lightDirection = normalize(vecPos - vViewLightPos);\n addedLights.rgb += clamp(dot(-lightDirection, vecNormal), 0.0, 1.0)\n * 1.0 /* intensity */;\n // * pointLights[i].color\n\n gl_FragColor = vec4(color, 1.0) * intensity * addedLights;\n }\n`;\n\nexport const SPHERE_SHADER_VERTEX = `\n uniform vec3 lightPos;\n\n varying vec2 vUv;\n varying vec3 vViewPosition;\n varying vec3 vViewLightPos;\n varying vec3 vNormal;\n\n void main() {\n vUv = uv;\n vec4 vViewPosition4 = modelViewMatrix * vec4(position, 1.0);\n vViewPosition = vViewPosition4.xyz;\n vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz;\n vNormal = normalMatrix * normal;\n\n gl_Position = projectionMatrix * vViewPosition4;\n }\n`;\n\nexport const SPHERE_SHADER_FRAGMENT = `\n uniform sampler2D sphereTexture;\n\n varying vec2 vUv;\n varying vec3 vNormal;\n varying vec3 vViewPosition;\n varying vec3 vViewLightPos;\n\n void main() {\n vec3 normal = normalize(vNormal);\n vec3 lightDir = normalize(vViewLightPos - vViewPosition);\n float lambertian = max(dot(normal, lightDir), 0.0);\n gl_FragColor = texture2D(sphereTexture, vUv) * vec4(vec3(1.0) * lambertian, 1.0);\n }\n`;\n\nexport const RING_SHADER_VERTEX = `\n varying vec3 vPos;\n varying vec3 vWorldPosition;\n varying vec3 vNormal;\n\n void main() {\n vPos = position;\n vec4 worldPosition = (modelMatrix * vec4(position, 1.));\n gl_Position = projectionMatrix * viewMatrix * vec4(worldPosition.xyz, 1.);\n\n vNormal = normalMatrix * normal;\n vWorldPosition = worldPosition.xyz;\n }\n`;\n\nexport const RING_SHADER_FRAGMENT = `\n uniform sampler2D ringTexture;\n uniform float innerRadius;\n uniform float outerRadius;\n uniform vec3 lightPos;\n\n varying vec3 vNormal;\n varying vec3 vPos;\n varying vec3 vWorldPosition;\n\n vec4 color() {\n vec2 uv = vec2(0);\n uv.x = (length(vPos) - innerRadius) / (outerRadius - innerRadius);\n if (uv.x < 0.0 || uv.x > 1.0) {\n discard;\n }\n\n vec4 pixel = texture2D(ringTexture, uv);\n return pixel;\n }\n\n vec3 shadow() {\n vec3 lightDir = normalize(vPos - lightPos);\n vec3 planetPos = vec3(0);\n\n vec3 ringPos = vPos - planetPos;\n float posDotLightDir = dot(ringPos, lightDir);\n float posDotLightDir2 = posDotLightDir * posDotLightDir;\n\n // TODO(ian): Generalize this line.\n float radius = 0.0389259903; // radius of saturn in coordinate system\n float radius2 = radius * radius;\n\n if (posDotLightDir > 0.0 && dot(ringPos, ringPos) - posDotLightDir2 < radius2) {\n return vec3(0.0);\n }\n return vec3(1.0);\n }\n\n vec3 lights() {\n vec3 lightDirection = normalize(vWorldPosition - lightPos);\n float c = 0.35 + max(0.0, dot(vNormal, lightDirection)) * 0.4;\n\n return vec3(c);\n }\n\n void main() {\n // NOTE: The order of multiplication matters here. color() may call\n // discard, which would cause problems on some Windows graphics drivers if\n // it is a left operand.\n // https://github.com/typpo/spacekit/issues/22\n gl_FragColor = vec4(lights() * shadow(), 1.0) * color();\n }\n`;\n", "import * as THREE from 'three';\n\nimport { getThreeJsTexture } from './util';\n\nimport { Coordinate3d } from './Coordinates';\nimport { getOrbitShaderVertex, getOrbitShaderFragment } from './shaders';\nimport { Orbit, OrbitType } from './Orbit';\n\nimport type { Ephem } from './Ephem';\nimport type { Simulation, SimulationContext } from './Simulation';\n\ninterface BaseKeplerParticleOptions {\n color?: number;\n textureUrl?: string;\n basePath?: string;\n jd?: number;\n maxNumParticles?: number;\n}\n\n// TODO(ian): Clean this up - we probably don't need a separate type.\ntype KeplerParticlesOptions = BaseKeplerParticleOptions & {\n defaultSize?: number;\n};\n\ntype KeplerParticleOptions = BaseKeplerParticleOptions & {\n particleSize?: number;\n};\n\ninterface ShaderAttributes {\n size: THREE.BufferAttribute;\n origin: THREE.BufferAttribute;\n position: THREE.BufferAttribute;\n fuzzColor: THREE.BufferAttribute;\n a: THREE.BufferAttribute;\n e: THREE.BufferAttribute;\n i: THREE.BufferAttribute;\n om: THREE.BufferAttribute;\n ma: THREE.BufferAttribute;\n n: THREE.BufferAttribute;\n w: THREE.BufferAttribute;\n wBar: THREE.BufferAttribute;\n q: THREE.BufferAttribute;\n M: THREE.BufferAttribute;\n a0: THREE.BufferAttribute;\n}\n\nconst DEFAULT_PARTICLE_COUNT = 4096;\n\n/**\n * Compute mean anomaly at date. Used for elliptical and hyperbolic orbits.\n */\nfunction getM(ephem: Ephem, jd: number): number {\n const d = jd - ephem.get('epoch');\n return ephem.get('ma') + ephem.get('n') * d;\n}\n\nconst PARABOLIC_K = 0.01720209895;\nfunction getA0(ephem: Ephem, jd: number): number {\n const tp = ephem.get('tp');\n const e = ephem.get('e');\n const q = ephem.get('q');\n const d = jd - tp;\n return 0.75 * d * PARABOLIC_K * Math.sqrt((1 + e) / (q * q * q));\n}\n\n/**\n * An efficient way to render many objects in space with Kepler orbits.\n * Primarily used by Simulation to render all non-static objects.\n * @see Simulation\n */\nexport class KeplerParticles {\n static instanceCount: number;\n\n private id: string;\n\n private options: KeplerParticlesOptions;\n\n private simulation: Simulation;\n\n private context: SimulationContext;\n\n private addedToScene: boolean;\n\n private particleCount: number;\n\n private elements: Ephem[];\n\n private uniforms: {\n texture: { value: THREE.Texture };\n };\n\n private geometry: THREE.BufferGeometry;\n\n private shaderMaterial: THREE.ShaderMaterial;\n\n private particleSystem: THREE.Points;\n\n private attributes: ShaderAttributes;\n\n /**\n * @param {Object} options Options container\n * @param {Object} options.textureUrl Template url for sprite\n * @param {Object} options.basePath Base path for simulation supporting files\n * @param {Number} options.jd JD date value\n * @param {Number} options.maxNumParticles Maximum number of particles to display. Defaults to 4096\n * @param {Number} options.defaultSize Default size of particles. Note this\n * can be overriden by SpaceObject particleSize. Defaults to 25\n * @param {Object} contextOrSimulation Simulation context or object\n */\n constructor(\n options: KeplerParticlesOptions,\n contextOrSimulation: Simulation,\n ) {\n this.options = options;\n\n this.id = `KeplerParticles__${KeplerParticles.instanceCount}`;\n\n this.simulation = contextOrSimulation;\n this.context = contextOrSimulation.getContext();\n\n // Whether Points object has been added to the Simulation/Scene. This\n // happens lazily when the first data point is added in order to prevent\n // WebGL render warnings.\n this.addedToScene = false;\n\n // Number of particles in the scene.\n this.particleCount = 0;\n\n if (!this.options.textureUrl) {\n throw new Error('ParticleSystem requires textureUrl to be set');\n }\n\n const defaultMapTexture = getThreeJsTexture(\n this.options.textureUrl,\n this.context.options.basePath,\n );\n\n this.uniforms = {\n texture: { value: defaultMapTexture },\n };\n\n const particleCount =\n this.options.maxNumParticles || DEFAULT_PARTICLE_COUNT;\n this.elements = [];\n this.attributes = {\n size: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n origin: new THREE.BufferAttribute(new Float32Array(particleCount * 3), 3),\n position: new THREE.BufferAttribute(\n new Float32Array(particleCount * 3),\n 3,\n ),\n fuzzColor: new THREE.BufferAttribute(\n new Float32Array(particleCount * 3),\n 3,\n ),\n\n a: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n e: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n i: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n om: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n ma: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n n: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n w: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n wBar: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n q: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n\n M: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n a0: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n };\n this.attributes.M.setUsage(THREE.DynamicDrawUsage);\n this.attributes.a0.setUsage(THREE.DynamicDrawUsage);\n\n const geometry = new THREE.BufferGeometry();\n geometry.setDrawRange(0, 0);\n Object.keys(this.attributes).forEach((attributeName) => {\n const attribute =\n this.attributes[attributeName as keyof ShaderAttributes];\n geometry.setAttribute(attributeName, attribute);\n });\n\n const shader = new THREE.ShaderMaterial({\n uniforms: this.uniforms,\n vertexShader: getOrbitShaderVertex(),\n fragmentShader: getOrbitShaderFragment(),\n\n depthTest: true,\n depthWrite: false,\n transparent: true,\n });\n\n this.shaderMaterial = shader;\n this.geometry = geometry;\n this.particleSystem = new THREE.Points(geometry, shader);\n }\n\n /**\n * Add a particle to this particle system.\n * @param {Ephem} ephem Kepler ephemeris\n * @param {Object} options Options container\n * @param {Number} options.particleSize Size of particles\n * @param {Number} options.color Color of particles\n * @return {Number} The index of this article in the attribute list.\n */\n addParticle(ephem: Ephem, options: KeplerParticleOptions = {}): number {\n this.elements.push(ephem);\n const attributes = this.attributes;\n const offset = this.particleCount++;\n\n attributes.size.set(\n [options.particleSize || this.options.defaultSize || 15],\n offset,\n );\n const color = new THREE.Color(options.color || 0xffffff);\n attributes.fuzzColor.set([color.r, color.g, color.b], offset * 3);\n\n attributes.origin.set([0, 0, 0], offset * 3);\n\n attributes.a.set([ephem.get('a')], offset);\n attributes.e.set([ephem.get('e')], offset);\n attributes.i.set([ephem.get('i', 'rad')], offset);\n attributes.om.set([ephem.get('om', 'rad')], offset);\n attributes.wBar.set([ephem.get('wBar', 'rad')], offset);\n attributes.q.set([ephem.get('q')], offset);\n\n if (Orbit.getOrbitType(ephem) === OrbitType.PARABOLIC) {\n attributes.a0.set([getA0(ephem, this.options.jd || 0)], offset);\n } else {\n attributes.M.set([getM(ephem, this.options.jd || 0)], offset);\n }\n\n // TODO(ian): Set the update range\n for (const attributeKey in attributes) {\n if (attributes.hasOwnProperty(attributeKey)) {\n attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n }\n }\n this.geometry.setDrawRange(0, this.particleCount);\n\n if (!this.addedToScene && this.simulation) {\n // This happens lazily when the first data point is added in order to\n // prevent WebGL render warnings.\n this.simulation.addObject(this);\n this.addedToScene = true;\n }\n\n return offset;\n }\n\n /**\n * Hides the particle at the given offset so it is no longer drawn. The particle still takes up space in the array\n * though.\n * @param offset\n */\n hideParticle(offset: number) {\n const attributes = this.attributes;\n attributes.size.set([0], offset);\n\n for (const attributeKey in attributes) {\n if (attributes.hasOwnProperty(attributeKey)) {\n attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n }\n }\n }\n\n /**\n * Changes the size of the particle at the given offset to the given size. Setting the size to 0 hides the particle.\n * @param {Number} size The new size of this particle\n * @param {Number} offset The location of this particle in the attributes * array\n */\n setParticleSize(size: number, offset: number) {\n const attributes = this.attributes;\n attributes.size.set([size], offset);\n\n for (const attributeKey in attributes) {\n if (attributes.hasOwnProperty(attributeKey)) {\n attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n }\n }\n }\n\n /**\n * Changes the color of the particle at the given offset to the given color.\n * @param {Number} colorValue The new color of this particle (e.g. hex number)\n * @param {Number} offset The location of this particle in the attributes * array\n */\n setParticleColor(colorValue: number, offset: number) {\n const attributes = this.attributes;\n const { r, g, b } = new THREE.Color(colorValue);\n attributes.fuzzColor.set([r, g, b], offset * 3);\n\n for (const attributeKey in attributes) {\n if (attributes.hasOwnProperty(attributeKey)) {\n attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n }\n }\n }\n\n /**\n * Change the `origin` attribute of a particle.\n * @param {Number} offset The location of this particle in the attributes * array.\n * @param {Array.} newOrigin The new XYZ coordinates of the body that this particle orbits.\n */\n setParticleOrigin(offset: number, newOrigin: Coordinate3d) {\n this.attributes.origin.set(newOrigin, offset * 3);\n this.attributes.origin.needsUpdate = true;\n }\n\n /**\n * Update the position for all particles\n * @param {Number} jd JD date\n */\n update(jd: number) {\n const Ms: number[] = [];\n const a0s: number[] = [];\n for (let i = 0; i < this.elements.length; i++) {\n const ephem = this.elements[i];\n\n let M, a0;\n if (Orbit.getOrbitType(ephem) === OrbitType.PARABOLIC) {\n a0 = getA0(ephem, jd);\n M = 0;\n } else {\n a0 = 0;\n M = getM(ephem, jd);\n }\n\n Ms.push(M);\n a0s.push(a0);\n }\n\n this.attributes.M.set(Ms);\n this.attributes.M.needsUpdate = true;\n\n this.attributes.a0.set(a0s);\n this.attributes.a0.needsUpdate = true;\n }\n\n /**\n * Get THREE.js objects that comprise this point cloud\n * @return {Array.} List of objects to add to THREE.js scene\n */\n get3jsObjects(): THREE.Object3D[] {\n return [this.particleSystem];\n }\n\n /**\n * Get unique id for this object.\n * @return {String} Unique id\n */\n getId(): string {\n return this.id;\n }\n}\n\nKeplerParticles.instanceCount = 0;\n", "import {\n\tBufferGeometry,\n\tFileLoader,\n\tFloat32BufferAttribute,\n\tGroup,\n\tLineBasicMaterial,\n\tLineSegments,\n\tLoader,\n\tMaterial,\n\tMesh,\n\tMeshPhongMaterial,\n\tPoints,\n\tPointsMaterial,\n\tVector3\n} from 'three';\n\n// o object_name | g group_name\nconst _object_pattern = /^[og]\\s*(.+)?/;\n// mtllib file_reference\nconst _material_library_pattern = /^mtllib /;\n// usemtl material_name\nconst _material_use_pattern = /^usemtl /;\n// usemap map_name\nconst _map_use_pattern = /^usemap /;\n\nconst _vA = new Vector3();\nconst _vB = new Vector3();\nconst _vC = new Vector3();\n\nconst _ab = new Vector3();\nconst _cb = new Vector3();\n\nfunction ParserState() {\n\n\tconst state = {\n\t\tobjects: [],\n\t\tobject: {},\n\n\t\tvertices: [],\n\t\tnormals: [],\n\t\tcolors: [],\n\t\tuvs: [],\n\n\t\tmaterials: {},\n\t\tmaterialLibraries: [],\n\n\t\tstartObject: function ( name, fromDeclaration ) {\n\n\t\t\t// If the current object (initial from reset) is not from a g/o declaration in the parsed\n\t\t\t// file. We need to use it for the first parsed g/o to keep things in sync.\n\t\t\tif ( this.object && this.object.fromDeclaration === false ) {\n\n\t\t\t\tthis.object.name = name;\n\t\t\t\tthis.object.fromDeclaration = ( fromDeclaration !== false );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tconst previousMaterial = ( this.object && typeof this.object.currentMaterial === 'function' ? this.object.currentMaterial() : undefined );\n\n\t\t\tif ( this.object && typeof this.object._finalize === 'function' ) {\n\n\t\t\t\tthis.object._finalize( true );\n\n\t\t\t}\n\n\t\t\tthis.object = {\n\t\t\t\tname: name || '',\n\t\t\t\tfromDeclaration: ( fromDeclaration !== false ),\n\n\t\t\t\tgeometry: {\n\t\t\t\t\tvertices: [],\n\t\t\t\t\tnormals: [],\n\t\t\t\t\tcolors: [],\n\t\t\t\t\tuvs: [],\n\t\t\t\t\thasUVIndices: false\n\t\t\t\t},\n\t\t\t\tmaterials: [],\n\t\t\t\tsmooth: true,\n\n\t\t\t\tstartMaterial: function ( name, libraries ) {\n\n\t\t\t\t\tconst previous = this._finalize( false );\n\n\t\t\t\t\t// New usemtl declaration overwrites an inherited material, except if faces were declared\n\t\t\t\t\t// after the material, then it must be preserved for proper MultiMaterial continuation.\n\t\t\t\t\tif ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {\n\n\t\t\t\t\t\tthis.materials.splice( previous.index, 1 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst material = {\n\t\t\t\t\t\tindex: this.materials.length,\n\t\t\t\t\t\tname: name || '',\n\t\t\t\t\t\tmtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),\n\t\t\t\t\t\tsmooth: ( previous !== undefined ? previous.smooth : this.smooth ),\n\t\t\t\t\t\tgroupStart: ( previous !== undefined ? previous.groupEnd : 0 ),\n\t\t\t\t\t\tgroupEnd: - 1,\n\t\t\t\t\t\tgroupCount: - 1,\n\t\t\t\t\t\tinherited: false,\n\n\t\t\t\t\t\tclone: function ( index ) {\n\n\t\t\t\t\t\t\tconst cloned = {\n\t\t\t\t\t\t\t\tindex: ( typeof index === 'number' ? index : this.index ),\n\t\t\t\t\t\t\t\tname: this.name,\n\t\t\t\t\t\t\t\tmtllib: this.mtllib,\n\t\t\t\t\t\t\t\tsmooth: this.smooth,\n\t\t\t\t\t\t\t\tgroupStart: 0,\n\t\t\t\t\t\t\t\tgroupEnd: - 1,\n\t\t\t\t\t\t\t\tgroupCount: - 1,\n\t\t\t\t\t\t\t\tinherited: false\n\t\t\t\t\t\t\t};\n\t\t\t\t\t\t\tcloned.clone = this.clone.bind( cloned );\n\t\t\t\t\t\t\treturn cloned;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t};\n\n\t\t\t\t\tthis.materials.push( material );\n\n\t\t\t\t\treturn material;\n\n\t\t\t\t},\n\n\t\t\t\tcurrentMaterial: function () {\n\n\t\t\t\t\tif ( this.materials.length > 0 ) {\n\n\t\t\t\t\t\treturn this.materials[ this.materials.length - 1 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t},\n\n\t\t\t\t_finalize: function ( end ) {\n\n\t\t\t\t\tconst lastMultiMaterial = this.currentMaterial();\n\t\t\t\t\tif ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {\n\n\t\t\t\t\t\tlastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;\n\t\t\t\t\t\tlastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;\n\t\t\t\t\t\tlastMultiMaterial.inherited = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Ignore objects tail materials if no face declarations followed them before a new o/g started.\n\t\t\t\t\tif ( end && this.materials.length > 1 ) {\n\n\t\t\t\t\t\tfor ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {\n\n\t\t\t\t\t\t\tif ( this.materials[ mi ].groupCount <= 0 ) {\n\n\t\t\t\t\t\t\t\tthis.materials.splice( mi, 1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Guarantee at least one empty material, this makes the creation later more straight forward.\n\t\t\t\t\tif ( end && this.materials.length === 0 ) {\n\n\t\t\t\t\t\tthis.materials.push( {\n\t\t\t\t\t\t\tname: '',\n\t\t\t\t\t\t\tsmooth: this.smooth\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn lastMultiMaterial;\n\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// Inherit previous objects material.\n\t\t\t// Spec tells us that a declared material must be set to all objects until a new material is declared.\n\t\t\t// If a usemtl declaration is encountered while this new object is being parsed, it will\n\t\t\t// overwrite the inherited material. Exception being that there was already face declarations\n\t\t\t// to the inherited material, then it will be preserved for proper MultiMaterial continuation.\n\n\t\t\tif ( previousMaterial && previousMaterial.name && typeof previousMaterial.clone === 'function' ) {\n\n\t\t\t\tconst declared = previousMaterial.clone( 0 );\n\t\t\t\tdeclared.inherited = true;\n\t\t\t\tthis.object.materials.push( declared );\n\n\t\t\t}\n\n\t\t\tthis.objects.push( this.object );\n\n\t\t},\n\n\t\tfinalize: function () {\n\n\t\t\tif ( this.object && typeof this.object._finalize === 'function' ) {\n\n\t\t\t\tthis.object._finalize( true );\n\n\t\t\t}\n\n\t\t},\n\n\t\tparseVertexIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 3 ) * 3;\n\n\t\t},\n\n\t\tparseNormalIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 3 ) * 3;\n\n\t\t},\n\n\t\tparseUVIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 2 ) * 2;\n\n\t\t},\n\n\t\taddVertex: function ( a, b, c ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddVertexPoint: function ( a ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\n\t\t},\n\n\t\taddVertexLine: function ( a ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\n\t\t},\n\n\t\taddNormal: function ( a, b, c ) {\n\n\t\t\tconst src = this.normals;\n\t\t\tconst dst = this.object.geometry.normals;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddFaceNormal: function ( a, b, c ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.normals;\n\n\t\t\t_vA.fromArray( src, a );\n\t\t\t_vB.fromArray( src, b );\n\t\t\t_vC.fromArray( src, c );\n\n\t\t\t_cb.subVectors( _vC, _vB );\n\t\t\t_ab.subVectors( _vA, _vB );\n\t\t\t_cb.cross( _ab );\n\n\t\t\t_cb.normalize();\n\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\n\t\t},\n\n\t\taddColor: function ( a, b, c ) {\n\n\t\t\tconst src = this.colors;\n\t\t\tconst dst = this.object.geometry.colors;\n\n\t\t\tif ( src[ a ] !== undefined ) dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tif ( src[ b ] !== undefined ) dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tif ( src[ c ] !== undefined ) dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddUV: function ( a, b, c ) {\n\n\t\t\tconst src = this.uvs;\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ] );\n\n\t\t},\n\n\t\taddDefaultUV: function () {\n\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( 0, 0 );\n\t\t\tdst.push( 0, 0 );\n\t\t\tdst.push( 0, 0 );\n\n\t\t},\n\n\t\taddUVLine: function ( a ) {\n\n\t\t\tconst src = this.uvs;\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ] );\n\n\t\t},\n\n\t\taddFace: function ( a, b, c, ua, ub, uc, na, nb, nc ) {\n\n\t\t\tconst vLen = this.vertices.length;\n\n\t\t\tlet ia = this.parseVertexIndex( a, vLen );\n\t\t\tlet ib = this.parseVertexIndex( b, vLen );\n\t\t\tlet ic = this.parseVertexIndex( c, vLen );\n\n\t\t\tthis.addVertex( ia, ib, ic );\n\t\t\tthis.addColor( ia, ib, ic );\n\n\t\t\t// normals\n\n\t\t\tif ( na !== undefined && na !== '' ) {\n\n\t\t\t\tconst nLen = this.normals.length;\n\n\t\t\t\tia = this.parseNormalIndex( na, nLen );\n\t\t\t\tib = this.parseNormalIndex( nb, nLen );\n\t\t\t\tic = this.parseNormalIndex( nc, nLen );\n\n\t\t\t\tthis.addNormal( ia, ib, ic );\n\n\t\t\t} else {\n\n\t\t\t\tthis.addFaceNormal( ia, ib, ic );\n\n\t\t\t}\n\n\t\t\t// uvs\n\n\t\t\tif ( ua !== undefined && ua !== '' ) {\n\n\t\t\t\tconst uvLen = this.uvs.length;\n\n\t\t\t\tia = this.parseUVIndex( ua, uvLen );\n\t\t\t\tib = this.parseUVIndex( ub, uvLen );\n\t\t\t\tic = this.parseUVIndex( uc, uvLen );\n\n\t\t\t\tthis.addUV( ia, ib, ic );\n\n\t\t\t\tthis.object.geometry.hasUVIndices = true;\n\n\t\t\t} else {\n\n\t\t\t\t// add placeholder values (for inconsistent face definitions)\n\n\t\t\t\tthis.addDefaultUV();\n\n\t\t\t}\n\n\t\t},\n\n\t\taddPointGeometry: function ( vertices ) {\n\n\t\t\tthis.object.geometry.type = 'Points';\n\n\t\t\tconst vLen = this.vertices.length;\n\n\t\t\tfor ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {\n\n\t\t\t\tconst index = this.parseVertexIndex( vertices[ vi ], vLen );\n\n\t\t\t\tthis.addVertexPoint( index );\n\t\t\t\tthis.addColor( index );\n\n\t\t\t}\n\n\t\t},\n\n\t\taddLineGeometry: function ( vertices, uvs ) {\n\n\t\t\tthis.object.geometry.type = 'Line';\n\n\t\t\tconst vLen = this.vertices.length;\n\t\t\tconst uvLen = this.uvs.length;\n\n\t\t\tfor ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {\n\n\t\t\t\tthis.addVertexLine( this.parseVertexIndex( vertices[ vi ], vLen ) );\n\n\t\t\t}\n\n\t\t\tfor ( let uvi = 0, l = uvs.length; uvi < l; uvi ++ ) {\n\n\t\t\t\tthis.addUVLine( this.parseUVIndex( uvs[ uvi ], uvLen ) );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tstate.startObject( '', false );\n\n\treturn state;\n\n}\n\n//\n\nclass OBJLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t\tthis.materials = null;\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( text ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tsetMaterials( materials ) {\n\n\t\tthis.materials = materials;\n\n\t\treturn this;\n\n\t}\n\n\tparse( text ) {\n\n\t\tconst state = new ParserState();\n\n\t\tif ( text.indexOf( '\\r\\n' ) !== - 1 ) {\n\n\t\t\t// This is faster than String.split with regex that splits on both\n\t\t\ttext = text.replace( /\\r\\n/g, '\\n' );\n\n\t\t}\n\n\t\tif ( text.indexOf( '\\\\\\n' ) !== - 1 ) {\n\n\t\t\t// join lines separated by a line continuation character (\\)\n\t\t\ttext = text.replace( /\\\\\\n/g, '' );\n\n\t\t}\n\n\t\tconst lines = text.split( '\\n' );\n\t\tlet line = '', lineFirstChar = '';\n\t\tlet lineLength = 0;\n\t\tlet result = [];\n\n\t\t// Faster to just trim left side of the line. Use if available.\n\t\tconst trimLeft = ( typeof ''.trimLeft === 'function' );\n\n\t\tfor ( let i = 0, l = lines.length; i < l; i ++ ) {\n\n\t\t\tline = lines[ i ];\n\n\t\t\tline = trimLeft ? line.trimLeft() : line.trim();\n\n\t\t\tlineLength = line.length;\n\n\t\t\tif ( lineLength === 0 ) continue;\n\n\t\t\tlineFirstChar = line.charAt( 0 );\n\n\t\t\t// @todo invoke passed in handler if any\n\t\t\tif ( lineFirstChar === '#' ) continue;\n\n\t\t\tif ( lineFirstChar === 'v' ) {\n\n\t\t\t\tconst data = line.split( /\\s+/ );\n\n\t\t\t\tswitch ( data[ 0 ] ) {\n\n\t\t\t\t\tcase 'v':\n\t\t\t\t\t\tstate.vertices.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 3 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tif ( data.length >= 7 ) {\n\n\t\t\t\t\t\t\tstate.colors.push(\n\t\t\t\t\t\t\t\tparseFloat( data[ 4 ] ),\n\t\t\t\t\t\t\t\tparseFloat( data[ 5 ] ),\n\t\t\t\t\t\t\t\tparseFloat( data[ 6 ] )\n\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// if no colors are defined, add placeholders so color and vertex indices match\n\n\t\t\t\t\t\t\tstate.colors.push( undefined, undefined, undefined );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'vn':\n\t\t\t\t\t\tstate.normals.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 3 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'vt':\n\t\t\t\t\t\tstate.uvs.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t} else if ( lineFirstChar === 'f' ) {\n\n\t\t\t\tconst lineData = line.substr( 1 ).trim();\n\t\t\t\tconst vertexData = lineData.split( /\\s+/ );\n\t\t\t\tconst faceVertices = [];\n\n\t\t\t\t// Parse the face vertex data into an easy to work with format\n\n\t\t\t\tfor ( let j = 0, jl = vertexData.length; j < jl; j ++ ) {\n\n\t\t\t\t\tconst vertex = vertexData[ j ];\n\n\t\t\t\t\tif ( vertex.length > 0 ) {\n\n\t\t\t\t\t\tconst vertexParts = vertex.split( '/' );\n\t\t\t\t\t\tfaceVertices.push( vertexParts );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// Draw an edge between the first vertex and all subsequent vertices to form an n-gon\n\n\t\t\t\tconst v1 = faceVertices[ 0 ];\n\n\t\t\t\tfor ( let j = 1, jl = faceVertices.length - 1; j < jl; j ++ ) {\n\n\t\t\t\t\tconst v2 = faceVertices[ j ];\n\t\t\t\t\tconst v3 = faceVertices[ j + 1 ];\n\n\t\t\t\t\tstate.addFace(\n\t\t\t\t\t\tv1[ 0 ], v2[ 0 ], v3[ 0 ],\n\t\t\t\t\t\tv1[ 1 ], v2[ 1 ], v3[ 1 ],\n\t\t\t\t\t\tv1[ 2 ], v2[ 2 ], v3[ 2 ]\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t} else if ( lineFirstChar === 'l' ) {\n\n\t\t\t\tconst lineParts = line.substring( 1 ).trim().split( ' ' );\n\t\t\t\tlet lineVertices = [];\n\t\t\t\tconst lineUVs = [];\n\n\t\t\t\tif ( line.indexOf( '/' ) === - 1 ) {\n\n\t\t\t\t\tlineVertices = lineParts;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( let li = 0, llen = lineParts.length; li < llen; li ++ ) {\n\n\t\t\t\t\t\tconst parts = lineParts[ li ].split( '/' );\n\n\t\t\t\t\t\tif ( parts[ 0 ] !== '' ) lineVertices.push( parts[ 0 ] );\n\t\t\t\t\t\tif ( parts[ 1 ] !== '' ) lineUVs.push( parts[ 1 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tstate.addLineGeometry( lineVertices, lineUVs );\n\n\t\t\t} else if ( lineFirstChar === 'p' ) {\n\n\t\t\t\tconst lineData = line.substr( 1 ).trim();\n\t\t\t\tconst pointData = lineData.split( ' ' );\n\n\t\t\t\tstate.addPointGeometry( pointData );\n\n\t\t\t} else if ( ( result = _object_pattern.exec( line ) ) !== null ) {\n\n\t\t\t\t// o object_name\n\t\t\t\t// or\n\t\t\t\t// g group_name\n\n\t\t\t\t// WORKAROUND: https://bugs.chromium.org/p/v8/issues/detail?id=2869\n\t\t\t\t// let name = result[ 0 ].substr( 1 ).trim();\n\t\t\t\tconst name = ( ' ' + result[ 0 ].substr( 1 ).trim() ).substr( 1 );\n\n\t\t\t\tstate.startObject( name );\n\n\t\t\t} else if ( _material_use_pattern.test( line ) ) {\n\n\t\t\t\t// material\n\n\t\t\t\tstate.object.startMaterial( line.substring( 7 ).trim(), state.materialLibraries );\n\n\t\t\t} else if ( _material_library_pattern.test( line ) ) {\n\n\t\t\t\t// mtl file\n\n\t\t\t\tstate.materialLibraries.push( line.substring( 7 ).trim() );\n\n\t\t\t} else if ( _map_use_pattern.test( line ) ) {\n\n\t\t\t\t// the line is parsed but ignored since the loader assumes textures are defined MTL files\n\t\t\t\t// (according to https://www.okino.com/conv/imp_wave.htm, 'usemap' is the old-style Wavefront texture reference method)\n\n\t\t\t\tconsole.warn( 'THREE.OBJLoader: Rendering identifier \"usemap\" not supported. Textures must be defined in MTL files.' );\n\n\t\t\t} else if ( lineFirstChar === 's' ) {\n\n\t\t\t\tresult = line.split( ' ' );\n\n\t\t\t\t// smooth shading\n\n\t\t\t\t// @todo Handle files that have varying smooth values for a set of faces inside one geometry,\n\t\t\t\t// but does not define a usemtl for each face set.\n\t\t\t\t// This should be detected and a dummy material created (later MultiMaterial and geometry groups).\n\t\t\t\t// This requires some care to not create extra material on each smooth value for \"normal\" obj files.\n\t\t\t\t// where explicit usemtl defines geometry groups.\n\t\t\t\t// Example asset: examples/models/obj/cerberus/Cerberus.obj\n\n\t\t\t\t/*\n\t\t\t\t\t * http://paulbourke.net/dataformats/obj/\n\t\t\t\t\t * or\n\t\t\t\t\t * http://www.cs.utah.edu/~boulos/cs3505/obj_spec.pdf\n\t\t\t\t\t *\n\t\t\t\t\t * From chapter \"Grouping\" Syntax explanation \"s group_number\":\n\t\t\t\t\t * \"group_number is the smoothing group number. To turn off smoothing groups, use a value of 0 or off.\n\t\t\t\t\t * Polygonal elements use group numbers to put elements in different smoothing groups. For free-form\n\t\t\t\t\t * surfaces, smoothing groups are either turned on or off; there is no difference between values greater\n\t\t\t\t\t * than 0.\"\n\t\t\t\t\t */\n\t\t\t\tif ( result.length > 1 ) {\n\n\t\t\t\t\tconst value = result[ 1 ].trim().toLowerCase();\n\t\t\t\t\tstate.object.smooth = ( value !== '0' && value !== 'off' );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// ZBrush can produce \"s\" lines #11707\n\t\t\t\t\tstate.object.smooth = true;\n\n\t\t\t\t}\n\n\t\t\t\tconst material = state.object.currentMaterial();\n\t\t\t\tif ( material ) material.smooth = state.object.smooth;\n\n\t\t\t} else {\n\n\t\t\t\t// Handle null terminated files without exception\n\t\t\t\tif ( line === '\\0' ) continue;\n\n\t\t\t\tconsole.warn( 'THREE.OBJLoader: Unexpected line: \"' + line + '\"' );\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.finalize();\n\n\t\tconst container = new Group();\n\t\tcontainer.materialLibraries = [].concat( state.materialLibraries );\n\n\t\tconst hasPrimitives = ! ( state.objects.length === 1 && state.objects[ 0 ].geometry.vertices.length === 0 );\n\n\t\tif ( hasPrimitives === true ) {\n\n\t\t\tfor ( let i = 0, l = state.objects.length; i < l; i ++ ) {\n\n\t\t\t\tconst object = state.objects[ i ];\n\t\t\t\tconst geometry = object.geometry;\n\t\t\t\tconst materials = object.materials;\n\t\t\t\tconst isLine = ( geometry.type === 'Line' );\n\t\t\t\tconst isPoints = ( geometry.type === 'Points' );\n\t\t\t\tlet hasVertexColors = false;\n\n\t\t\t\t// Skip o/g line declarations that did not follow with any faces\n\t\t\t\tif ( geometry.vertices.length === 0 ) continue;\n\n\t\t\t\tconst buffergeometry = new BufferGeometry();\n\n\t\t\t\tbuffergeometry.setAttribute( 'position', new Float32BufferAttribute( geometry.vertices, 3 ) );\n\n\t\t\t\tif ( geometry.normals.length > 0 ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'normal', new Float32BufferAttribute( geometry.normals, 3 ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.colors.length > 0 ) {\n\n\t\t\t\t\thasVertexColors = true;\n\t\t\t\t\tbuffergeometry.setAttribute( 'color', new Float32BufferAttribute( geometry.colors, 3 ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.hasUVIndices === true ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'uv', new Float32BufferAttribute( geometry.uvs, 2 ) );\n\n\t\t\t\t}\n\n\t\t\t\t// Create materials\n\n\t\t\t\tconst createdMaterials = [];\n\n\t\t\t\tfor ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {\n\n\t\t\t\t\tconst sourceMaterial = materials[ mi ];\n\t\t\t\t\tconst materialHash = sourceMaterial.name + '_' + sourceMaterial.smooth + '_' + hasVertexColors;\n\t\t\t\t\tlet material = state.materials[ materialHash ];\n\n\t\t\t\t\tif ( this.materials !== null ) {\n\n\t\t\t\t\t\tmaterial = this.materials.create( sourceMaterial.name );\n\n\t\t\t\t\t\t// mtl etc. loaders probably can't create line materials correctly, copy properties to a line material.\n\t\t\t\t\t\tif ( isLine && material && ! ( material instanceof LineBasicMaterial ) ) {\n\n\t\t\t\t\t\t\tconst materialLine = new LineBasicMaterial();\n\t\t\t\t\t\t\tMaterial.prototype.copy.call( materialLine, material );\n\t\t\t\t\t\t\tmaterialLine.color.copy( material.color );\n\t\t\t\t\t\t\tmaterial = materialLine;\n\n\t\t\t\t\t\t} else if ( isPoints && material && ! ( material instanceof PointsMaterial ) ) {\n\n\t\t\t\t\t\t\tconst materialPoints = new PointsMaterial( { size: 10, sizeAttenuation: false } );\n\t\t\t\t\t\t\tMaterial.prototype.copy.call( materialPoints, material );\n\t\t\t\t\t\t\tmaterialPoints.color.copy( material.color );\n\t\t\t\t\t\t\tmaterialPoints.map = material.map;\n\t\t\t\t\t\t\tmaterial = materialPoints;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( material === undefined ) {\n\n\t\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\t\tmaterial = new LineBasicMaterial();\n\n\t\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\t\tmaterial = new PointsMaterial( { size: 1, sizeAttenuation: false } );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tmaterial = new MeshPhongMaterial();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tmaterial.name = sourceMaterial.name;\n\t\t\t\t\t\tmaterial.flatShading = sourceMaterial.smooth ? false : true;\n\t\t\t\t\t\tmaterial.vertexColors = hasVertexColors;\n\n\t\t\t\t\t\tstate.materials[ materialHash ] = material;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcreatedMaterials.push( material );\n\n\t\t\t\t}\n\n\t\t\t\t// Create mesh\n\n\t\t\t\tlet mesh;\n\n\t\t\t\tif ( createdMaterials.length > 1 ) {\n\n\t\t\t\t\tfor ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {\n\n\t\t\t\t\t\tconst sourceMaterial = materials[ mi ];\n\t\t\t\t\t\tbuffergeometry.addGroup( sourceMaterial.groupStart, sourceMaterial.groupCount, mi );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\tmesh = new LineSegments( buffergeometry, createdMaterials );\n\n\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\tmesh = new Points( buffergeometry, createdMaterials );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tmesh = new Mesh( buffergeometry, createdMaterials );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\tmesh = new LineSegments( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\tmesh = new Points( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tmesh = new Mesh( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tmesh.name = object.name;\n\n\t\t\t\tcontainer.add( mesh );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// if there is only the default parser state object with no geometry data, interpret data as point cloud\n\n\t\t\tif ( state.vertices.length > 0 ) {\n\n\t\t\t\tconst material = new PointsMaterial( { size: 1, sizeAttenuation: false } );\n\n\t\t\t\tconst buffergeometry = new BufferGeometry();\n\n\t\t\t\tbuffergeometry.setAttribute( 'position', new Float32BufferAttribute( state.vertices, 3 ) );\n\n\t\t\t\tif ( state.colors.length > 0 && state.colors[ 0 ] !== undefined ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'color', new Float32BufferAttribute( state.colors, 3 ) );\n\t\t\t\t\tmaterial.vertexColors = true;\n\n\t\t\t\t}\n\n\t\t\t\tconst points = new Points( buffergeometry, material );\n\t\t\t\tcontainer.add( points );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn container;\n\n\t}\n\n}\n\nexport { OBJLoader };\n", "import * as THREE from 'three';\n\nimport type { PerspectiveCamera } from 'three';\n\nimport { EphemPresets } from './EphemPresets';\nimport { Orbit } from './Orbit';\nimport { getFullTextureUrl } from './util';\nimport { rescaleArray, rescaleNumber } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\nimport type { Ephem } from './Ephem';\nimport type { EphemerisTable } from './EphemerisTable';\nimport type {\n Simulation,\n SimulationContext,\n SimulationObject,\n} from './Simulation';\n\nexport interface SpaceObjectOptions {\n position?: Coordinate3d;\n scale?: [number, number, number];\n particleSize?: number;\n labelText?: string;\n labelUrl?: string;\n hideOrbit?: boolean;\n axialTilt?: number;\n color?: number;\n radius?: number;\n levelsOfDetail?: { radii: number; segments: number }[];\n atmosphere?: {\n color?: number;\n innerSizeRatio?: number;\n outerSizeRatio?: number;\n enable?: boolean;\n };\n orbitPathSettings?: {\n leadDurationYears?: number;\n trailDurationYears?: number;\n numberSamplePoints?: number;\n };\n ephem?: Ephem;\n ephemTable?: EphemerisTable;\n textureUrl?: string;\n basePath?: string;\n rotation?: {\n enable: boolean;\n period: number;\n speed?: number;\n lambdaDeg?: number;\n betaDeg?: number;\n yorp?: number;\n phi0?: number;\n jd0?: number;\n };\n shape?: {\n shapeUrl?: string;\n color?: number;\n };\n ecliptic?: {\n lineColor?: number;\n displayLines?: boolean;\n };\n theme?: {\n color?: number;\n orbitColor?: number;\n };\n debug?: {\n showAxes: boolean;\n showGrid: boolean;\n };\n}\n\n/**\n * @private\n * Minimum number of degrees per day an object must move in order for its\n * position to be updated in the visualization.\n */\n// const MIN_DEG_MOVE_PER_DAY: number = 0.05;\n\n/**\n * @private\n * Number of milliseconds between label position updates.\n */\nconst LABEL_UPDATE_MS: number = 30;\n\n/**\n * @private\n * Converts [X, Y, Z] position in visualization to pixel coordinates.\n */\nfunction toScreenXY(\n position: Coordinate3d,\n camera: PerspectiveCamera,\n canvas: HTMLCanvasElement,\n): { x: number; y: number } {\n const pos = new THREE.Vector3(position[0], position[1], position[2]);\n pos.project(camera);\n return {\n x: ((pos.x + 1) * canvas.clientWidth) / 2,\n y: ((-pos.y + 1) * canvas.clientHeight) / 2,\n };\n}\n\n/**\n * An object that can be added to a visualization.\n * @example\n * ```\n * const myObject = viz.addObject('planet1', {\n * position: [0, 0, 0],\n * scale: [1, 1, 1],\n * particleSize: 5,\n * labelText: 'My object',\n * labelUrl: 'http://...',\n * hideOrbit: false,\n * ephem: new Spacekit.Ephem({...}),\n * textureUrl: '/path/to/spriteTexture.png',\n * basePath: '/base',\n * ecliptic: {\n * lineColor: 0xCCCCCC,\n * displayLines: false,\n * },\n * theme: {\n * color: 0xFFFFFF,\n * orbitColor: 0x888888,\n * },\n * });\n * ```\n */\nexport class SpaceObject implements SimulationObject {\n protected _id: string;\n\n protected _options: SpaceObjectOptions;\n\n protected _simulation: Simulation;\n\n protected _context: SimulationContext;\n\n protected _renderMethod?:\n | 'SPRITE'\n | 'PARTICLESYSTEM'\n | 'ROTATING_OBJECT'\n | 'SPHERE';\n\n protected _initialized: boolean;\n\n private _object3js?: THREE.Object3D;\n\n private _useEphemTable: boolean;\n\n private _isStaticObject: boolean;\n\n private _label?: HTMLElement;\n\n private _showLabel: boolean;\n\n private _lastLabelUpdate: number;\n\n // private _lastPositionUpdate: number;\n\n private _position: Coordinate3d;\n\n private _orbitAround?: SpaceObject;\n\n private _scale: [number, number, number];\n\n private _particleIndex?: number;\n\n // private _degreesPerDay?: number;\n\n private _orbitPath?: THREE.Object3D;\n\n private _eclipticLines?: THREE.Object3D;\n\n private _orbit?: Orbit;\n\n /**\n * @param {String} id Unique id of this object\n * @param {Object} options Options container\n * @param {Array.} options.position [X, Y, Z] heliocentric coordinates of object. Defaults to [0, 0, 0]\n * @param {Array.} options.scale Scale of object on each [X, Y, Z] axis. Defaults to [1, 1, 1]\n * @param {Number} options.particleSize Size of particle if this object is a Kepler object being represented as a particle.\n * @param {String} options.labelText Text label to display above object (set undefined for no label)\n * @param {String} options.labelUrl Label becomes a link that goes to this url.\n * @param {boolean} options.hideOrbit If true, don't show an orbital ellipse. Defaults false.\n * @param {Object} options.orbitPathSettings Contains settings for defining the orbit path\n * @param {Object} options.orbitPathSettings.leadDurationYears orbit path lead time in years\n * @param {Object} options.orbitPathSettings.trailDurationYears orbit path trail time in years\n * @param {Object} options.orbitPathSettings.numberSamplePoints number of\n * points to use when drawing the orbit line. Only applicable for\n * non-elliptical and ephemeris table orbits.\n * @param {Ephem} options.ephem Ephemerides for this orbit\n * @param {EphemerisTable} options.ephemTable ephemeris table object which represents look up ephemeris\n * @param {String} options.textureUrl Texture for sprite\n * @param {String} options.basePath Base path for simulation assets and data\n * @param {Object} options.ecliptic Contains settings related to ecliptic\n * @param {Number} options.ecliptic.lineColor Hex color of lines that run perpendicular to ecliptic. @see Orbit\n * @param {boolean} options.ecliptic.displayLines Whether to show ecliptic lines. Defaults false.\n * @param {Object} options.theme Contains settings related to appearance of orbit\n * @param {Number} options.theme.color Hex color of the object, if applicable\n * @param {Number} options.theme.orbitColor Hex color of the orbit\n * @param {Simulation} contextOrSimulation Simulation context or simulation object\n * @param {boolean} autoInit Automatically initialize this object. If false\n * you must call init() manually.\n */\n constructor(\n id: string,\n options: SpaceObjectOptions,\n simulation: Simulation,\n autoInit: boolean = true,\n ) {\n this._id = id;\n this._options = options || {};\n this._object3js = undefined;\n this._useEphemTable = this._options.ephemTable !== undefined;\n this._isStaticObject = !this._options.ephem && !this._useEphemTable;\n\n this._simulation = simulation;\n this._context = simulation.getContext();\n\n this._label = undefined;\n this._showLabel = false;\n this._lastLabelUpdate = 0;\n // this._lastPositionUpdate = 0;\n\n this._position = rescaleArray(this._options.position || [0, 0, 0]);\n this._orbitAround = undefined;\n this._scale = this._options.scale || [1, 1, 1];\n\n // The method of rendering used for this object (e.g. SPRITE, PARTICLESYSTEM).\n this._renderMethod = undefined;\n\n // The index of this particle in the KeplerParticles system, if applicable.\n this._particleIndex = undefined;\n\n // Number of degrees moved per day. Used to limit the number of orbit\n // updates for very slow moving objects.\n /*\n this._degreesPerDay = this._options.ephem\n ? this._options.ephem.get('n', 'deg')\n : undefined;\n */\n\n this._initialized = false;\n if (autoInit && !this.init()) {\n console.warn(`SpaceObject ${id}: failed to initialize`);\n }\n }\n\n /**\n * Initializes label and three.js objects. Called automatically unless you've\n * set autoInit to false in constructor (this init is suppressed by some\n * child classes).\n */\n init(): boolean {\n this.renderObject();\n\n if (this._options.labelText) {\n const labelElt = this.createLabel();\n this._simulation.getSimulationElement().appendChild(labelElt);\n this._label = labelElt;\n this._showLabel = true;\n }\n\n /**\n * Caching of THREE.js objects for orbitPath\n */\n this._orbitPath = undefined;\n this._eclipticLines = undefined;\n\n this.update(this._simulation.getJd(), true /* force */);\n\n this._initialized = true;\n return true;\n }\n\n /**\n * @protected\n * Used by child classes to set the object that gets its position updated.\n * @param {THREE.Object3D} obj Any THREE.js object\n */\n protected setPositionedObject(obj: THREE.Object3D) {\n this._object3js = obj;\n }\n\n /**\n * @private\n * Build the THREE.js object for this SpaceObject.\n */\n private renderObject() {\n if (this.isStaticObject()) {\n if (!this._renderMethod) {\n // TODO(ian): It kinda sucks to have SpaceObject care about\n // renderMethod, which is set by children.\n\n // Create a stationary sprite.\n this._object3js = this.createSprite();\n if (this._simulation) {\n // Add it all to visualization.\n this._simulation.addObject(this, false /* noUpdate */);\n }\n this._renderMethod = 'SPRITE';\n }\n } else {\n // Create the orbit no matter what - it's used to get current position\n // for CPU-positioned objects (e.g. child RotatingObjects, SphereObjects,\n // ShapeObjects).\n // TODO(ian): Only do this if we need to compute orbit position on the\n // CPU or display an orbit path.\n this._orbit = this.createOrbit();\n\n if (!this._options.hideOrbit && this._simulation) {\n // Add it all to visualization.\n this._simulation.addObject(this, false /* noUpdate */);\n }\n\n if (this._useEphemTable) {\n if (!this._renderMethod) {\n this._object3js = this.createSprite();\n if (this._simulation) {\n this._simulation.addObject(this, true);\n }\n this._renderMethod = 'SPRITE';\n }\n }\n\n if (!this._renderMethod) {\n if (!this._options.ephem) {\n throw new Error(\n 'Attempting to create a particle system, but ephemeris are not available.',\n );\n }\n // Create a particle representing this object on the GPU.\n this._particleIndex = this._context.objects.particles.addParticle(\n this._options.ephem,\n {\n particleSize: this._options.particleSize,\n color: this.getColor(),\n },\n );\n this._renderMethod = 'PARTICLESYSTEM';\n }\n }\n }\n\n /**\n * @private\n * Builds the label div and adds it to the visualization\n * @return {HTMLElement} A div that contains the label for this object\n */\n private createLabel(): HTMLElement {\n const text = document.createElement('div');\n text.className = 'spacekit__object-label';\n\n const { labelText, labelUrl } = this._options;\n if (this._options.labelUrl) {\n text.innerHTML = ``;\n } else {\n text.innerHTML = `
${labelText}
`;\n }\n text.style.fontFamily = 'Arial';\n text.style.fontSize = '12px';\n text.style.color = '#fff';\n text.style.position = 'absolute';\n\n text.style.backgroundColor = '#0009';\n text.style.outline = '1px solid #5f5f5f';\n\n return text;\n }\n\n /**\n * @private\n * Updates the label's position\n * @param {Array.Number} newpos Position of the label in the visualization's\n * coordinate system\n */\n private updateLabelPosition(newpos: Coordinate3d) {\n if (!this._label) {\n throw new Error('Attempted to update label position without a label');\n }\n\n const label = this._label;\n const simulationElt = this._simulation.getSimulationElement();\n const pos = toScreenXY(\n newpos,\n this._simulation.getViewer().get3jsCamera(),\n simulationElt,\n );\n const loc = {\n left: pos.x,\n top: pos.y,\n right: pos.x + label.clientWidth,\n bottom: pos.y + label.clientHeight,\n };\n if (\n loc.left - 30 > 0 &&\n loc.right + 20 < simulationElt.clientWidth &&\n loc.top - 25 > 0 &&\n loc.bottom < simulationElt.clientHeight\n ) {\n label.style.left = `${loc.left - label.clientWidth / 2}px`;\n label.style.top = `${loc.top - label.clientHeight - 8}px`;\n label.style.visibility = 'visible';\n } else {\n label.style.visibility = 'hidden';\n }\n }\n\n /**\n * @private\n * Builds the sprite for this object\n * @return {THREE.Sprite} A sprite object\n */\n private createSprite(): THREE.Sprite {\n if (!this._options.textureUrl) {\n throw new Error('Cannot create sprite without a textureUrl');\n }\n const fullTextureUrl = getFullTextureUrl(\n this._options.textureUrl,\n this._context.options.basePath,\n );\n const texture = new THREE.TextureLoader().load(fullTextureUrl);\n texture.encoding = THREE.LinearEncoding;\n const sprite = new THREE.Sprite(\n new THREE.SpriteMaterial({\n map: texture,\n blending: THREE.AdditiveBlending,\n depthWrite: false,\n color: this._options.theme ? this._options.theme.color : 0xffffff,\n }),\n );\n const scale = rescaleArray(this._scale);\n sprite.scale.set(scale[0], scale[1], scale[2]);\n const position = this.getPosition(this._simulation.getJd());\n sprite.position.set(position[0], position[1], position[2]);\n\n if (this.isStaticObject()) {\n sprite.updateMatrix();\n sprite.matrixAutoUpdate = false;\n }\n\n return sprite;\n }\n\n /**\n * @private\n * Builds the {Orbit} for this object\n * @return {Orbit} An orbit object\n */\n private createOrbit(): Orbit {\n if (this._orbit) {\n return this._orbit;\n }\n\n const ephem = this._useEphemTable\n ? this._options.ephemTable\n : this._options.ephem;\n if (!ephem) {\n throw new Error('Cannot create orbit without Ephem or EphemerisTable');\n }\n return new Orbit(ephem, {\n orbitPathSettings: this._options.orbitPathSettings,\n color: this._options.theme ? this._options.theme.orbitColor : undefined,\n eclipticLineColor: this._options.ecliptic\n ? this._options.ecliptic.lineColor\n : undefined,\n });\n }\n\n /**\n * @private\n * Determines whether to update the position of an update. Don't update if JD\n * threshold is less than a certain amount.\n * @param {Number} afterJd Next JD\n * @return {boolean} Whether to update\n */\n private shouldUpdateObjectPosition(afterJd: number): boolean {\n // TODO(ian): Reenable this as a function of zoom level, because as you get\n // closer the chopiness gets more noticeable.\n return true;\n /*\n if (!this._degreesPerDay || !this._lastPositionUpdate) {\n return true;\n }\n const degMove = this._degreesPerDay * (afterJd - this._lastPositionUpdate);\n if (degMove < MIN_DEG_MOVE_PER_DAY) {\n return false;\n }\n return true;\n */\n }\n\n /**\n * Make this object orbit another orbit.\n * @param {Object} spaceObj The SpaceObject that will serve as the origin of this object's orbit.\n */\n orbitAround(spaceObj: SpaceObject) {\n this._orbitAround = spaceObj;\n }\n\n /**\n * Updates the position of this object. Applicable only if this object is a\n * sprite and not a particle type.\n * @param {Number} x X position\n * @param {Number} y Y position\n * @param {Number} z Z position\n */\n setPosition(x: number, y: number, z: number) {\n this._position[0] = rescaleNumber(x);\n this._position[1] = rescaleNumber(y);\n this._position[2] = rescaleNumber(z);\n }\n\n /**\n * Gets the visualization coordinates of this object at a given time.\n * @param {Number} jd JD date\n * @return {Array.} [X, Y,Z] coordinates\n */\n getPosition(jd: number): Coordinate3d {\n const pos = this._position;\n if (!this._orbit) {\n // Default implementation, a static object.\n return pos;\n }\n\n const posModified = this._orbit.getPositionAtTime(jd);\n if (this._orbitAround) {\n const parentPos = this._orbitAround.getPosition(jd);\n return [\n pos[0] + posModified[0] + parentPos[0],\n pos[1] + posModified[1] + parentPos[1],\n pos[2] + posModified[2] + parentPos[2],\n ];\n }\n return [\n pos[0] + posModified[0],\n pos[1] + posModified[1],\n pos[2] + posModified[2],\n ];\n }\n\n /**\n * Updates the object and its label positions for a given time.\n * @param {Number} jd JD date\n * @param {boolean} force Whether to force an update regardless of checks for\n * movement.\n */\n update(jd: number, force: boolean = false) {\n let newpos;\n if (this._label) {\n // Labels must update, even for static objects.\n // TODO(ian): Determine this based on orbit and camera position change.\n const meetsLabelUpdateThreshold =\n +new Date() - this._lastLabelUpdate > LABEL_UPDATE_MS;\n const shouldUpdateLabelPos =\n force || (this._showLabel && meetsLabelUpdateThreshold);\n if (shouldUpdateLabelPos) {\n if (!newpos) {\n newpos = this.getPosition(jd);\n }\n this.updateLabelPosition(newpos);\n this._lastLabelUpdate = +new Date();\n }\n }\n\n if (this.isStaticObject() && !force) {\n return;\n }\n\n let shouldUpdateObjectPosition = false;\n if (this._object3js || this._label) {\n shouldUpdateObjectPosition = force || this.shouldUpdateObjectPosition(jd);\n }\n if (this._object3js && shouldUpdateObjectPosition) {\n newpos = this.getPosition(jd);\n this._object3js.position.set(newpos[0], newpos[1], newpos[2]);\n // this._lastPositionUpdate = jd;\n }\n\n const orbitNeedsRefreshing =\n !this._orbitPath || this._orbit?.needsUpdateForTime(jd);\n if (this._orbit && !this._options.hideOrbit && orbitNeedsRefreshing) {\n if (this._orbitPath) {\n this._simulation.getScene().remove(this._orbitPath);\n }\n this._orbitPath = this._orbit.getOrbitShape(jd, true);\n this._simulation.getScene().add(this._orbitPath);\n }\n\n const eclipticNeedsRefreshing =\n !this._eclipticLines || orbitNeedsRefreshing;\n if (\n this._orbit &&\n this._options.ecliptic &&\n this._options.ecliptic.displayLines &&\n eclipticNeedsRefreshing\n ) {\n if (this._eclipticLines) {\n this._simulation.getScene().remove(this._eclipticLines);\n }\n this._eclipticLines = this._orbit.getLinesToEcliptic();\n this._simulation.getScene().add(this._eclipticLines);\n }\n\n if (this._orbitAround) {\n const parentPos = this._orbitAround.getPosition(jd);\n if (this._renderMethod === 'PARTICLESYSTEM') {\n // TODO(ian): Only do this when the origin changes\n this._context.objects.particles?.setParticleOrigin(\n this._particleIndex!,\n parentPos,\n );\n }\n\n if (!this._options.hideOrbit) {\n this._orbitPath?.position.set(parentPos[0], parentPos[1], parentPos[2]);\n }\n if (!newpos) {\n newpos = this.getPosition(jd);\n }\n }\n }\n\n /**\n * Gets the THREE.js objects that represent this SpaceObject. The first\n * object returned is the primary object. Other objects may be returned,\n * such as rings, ellipses, etc.\n * @return {Array.} A list of THREE.js objects\n */\n get3jsObjects(): THREE.Object3D[] {\n const ret = [];\n if (this._object3js) {\n ret.push(this._object3js);\n }\n if (this._orbit) {\n if (this._orbitPath) {\n ret.push(this._orbitPath);\n }\n\n if (this._eclipticLines) {\n ret.push(this._eclipticLines);\n }\n }\n return ret;\n }\n\n /**\n * Specifies the object that is used to compute the bounding box. By default,\n * this will be the first THREE.js object in this class's list of objects.\n * @return {THREE.Object3D} THREE.js object\n */\n async getBoundingObject(): Promise {\n return Promise.resolve(this.get3jsObjects()[0]);\n }\n\n /**\n * Gets the color of this object. Usually this corresponds to the color of\n * the dot representing the object as well as its orbit.\n * @return {Number} A hexidecimal color value, e.g. 0xFFFFFF\n */\n getColor(): number {\n if (this._options.theme) {\n return this._options.theme.color || 0xffffff;\n }\n return 0xffffff;\n }\n\n /**\n * Gets the {Orbit} object for this SpaceObject.\n * @return {Orbit} Orbit object\n */\n getOrbit(): Orbit | undefined {\n return this._orbit;\n }\n\n /**\n * Gets label visilibity status.\n * @return {boolean} Whether label is visible.\n */\n getLabelVisibility(): boolean {\n return this._showLabel;\n }\n\n /**\n * Toggle the visilibity of the label.\n * @param {boolean} val Whether to show or hide.\n */\n setLabelVisibility(val: boolean) {\n if (!this._label) {\n throw new Error('Attempted to set label visibility without a label');\n }\n\n if (val) {\n this._showLabel = true;\n this._label.style.display = 'block';\n } else {\n this._showLabel = false;\n this._label.style.display = 'none';\n }\n }\n\n /**\n * Gets the unique ID of this object.\n * @return {String} Unique ID\n */\n getId(): string {\n return this._id;\n }\n\n /**\n * Determines whether object is static (can't change its position) or whether\n * its position can be updated (ie, it has ephemeris)\n * @return {boolean} Whether this object can change its position.\n */\n isStaticObject(): boolean {\n return this._isStaticObject;\n }\n\n /**\n * Determines whether object is ready to be measured or added to scene.\n * @return {boolean} True if ready\n */\n isReady(): boolean {\n return this._initialized;\n }\n\n removalCleanup() {\n if (this._label) {\n this._simulation.getSimulationElement().removeChild(this._label);\n this._label = undefined;\n }\n\n if (this._particleIndex !== undefined) {\n this._context?.objects.particles.hideParticle(this._particleIndex);\n }\n }\n}\n\nconst DEFAULT_PLANET_TEXTURE_URL = '{{assets}}/sprites/smallparticle.png';\n\n/**\n * Useful presets for creating SpaceObjects.\n * @example\n * ```\n * const myobject = viz.addObject('planet1', Spacekit.SpaceObjectPresets.MERCURY);\n * ```\n */\nexport const SpaceObjectPresets = {\n SUN: {\n textureUrl: '{{assets}}/sprites/lensflare0.png',\n position: [0, 0, 0],\n },\n MERCURY: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x913cee,\n },\n ephem: EphemPresets.MERCURY,\n },\n VENUS: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xff7733,\n },\n ephem: EphemPresets.VENUS,\n },\n EARTH: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x009acd,\n },\n ephem: EphemPresets.EARTH,\n },\n MOON: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xffd700,\n },\n ephem: EphemPresets.MOON,\n\n // Special params\n particleSize: 6,\n },\n MARS: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xa63a3a,\n },\n ephem: EphemPresets.MARS,\n },\n JUPITER: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xffb90f,\n },\n ephem: EphemPresets.JUPITER,\n },\n SATURN: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x336633,\n },\n ephem: EphemPresets.SATURN,\n },\n URANUS: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x0099ff,\n },\n ephem: EphemPresets.URANUS,\n },\n NEPTUNE: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x3333ff,\n },\n ephem: EphemPresets.NEPTUNE,\n },\n PLUTO: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xccc0b0,\n },\n ephem: EphemPresets.PLUTO,\n },\n};\n", "import * as THREE from 'three';\n\nimport Units from './Units';\nimport { SpaceObject } from './SpaceObject';\nimport { rescaleVector } from './Scale';\n\nimport type { Simulation } from './Simulation';\nimport type { SpaceObjectOptions } from './SpaceObject';\n\nfunction getAxis(src: THREE.Vector3, dst: THREE.Vector3, color: number) {\n const mat = new THREE.LineBasicMaterial({ linewidth: 3, color });\n const geom = new THREE.BufferGeometry().setFromPoints([\n rescaleVector(src).clone(),\n rescaleVector(dst).clone(),\n ]);\n\n const axis = new THREE.Line(geom, mat);\n axis.computeLineDistances();\n return axis;\n}\n\nfunction getAxes() {\n return [\n getAxis(new THREE.Vector3(0, 0, 0), new THREE.Vector3(3, 0, 0), 0xff0000),\n getAxis(new THREE.Vector3(0, 0, 0), new THREE.Vector3(0, 3, 0), 0x00ff00),\n getAxis(new THREE.Vector3(0, 0, 0), new THREE.Vector3(0, 0, 3), 0x0000ff),\n ];\n}\n\n/**\n * This class simulates an object that spins according to provided rotational\n * parameters.\n */\nexport class RotatingObject extends SpaceObject {\n protected _obj: THREE.Object3D;\n\n protected _materials: THREE.Material[];\n\n private _objectIsRotatable: boolean;\n\n // private _axisRotationAngleOffset: number;\n\n private _axisOfRotation?: THREE.Vector3;\n\n /*\n * FIXME(ian): This implementation is still WIP! Rotational parameters are not\n * used right now.\n * @param {boolean} options.rotation.enable Rotate the object\n * @param {Number} options.rotation.speed Factor that determines speed of rotation\n * @param {Number} options.rotation.lambdaDeg Ecliptic longitude lambda, in degrees\n * @param {Number} options.rotation.betaDeg Ecliptic longitude beta, in degrees\n * @param {Number} options.rotation.period Rotational period, in JD\n * @param {Number} options.rotation.yorp YORP coefficient, if any (defaults to 0)\n * @param {Number} options.rotation.phi0 Initial rotation phi, in degrees (defaults to 0)\n * @param {Number} options.rotation.jd0 JD epoch of rotational parameters\n * @see SpaceObject\n */\n constructor(\n id: string,\n options: SpaceObjectOptions,\n simulation: Simulation,\n autoInit: boolean = true,\n ) {\n super(id, options, simulation, false /* autoInit */);\n\n // The THREE.js object\n this._obj = new THREE.Object3D();\n this._renderMethod = 'ROTATING_OBJECT';\n super.setPositionedObject(this._obj);\n\n this._objectIsRotatable = false;\n if (this._options.rotation) {\n this._objectIsRotatable = true;\n }\n\n // Offset of axis angle\n // this._axisRotationAngleOffset = 0;\n this._axisOfRotation = undefined;\n\n // Keep track of materials that comprise this object.\n this._materials = [];\n\n if (autoInit) {\n this.init();\n }\n }\n\n override init(): boolean {\n if (this._objectIsRotatable) {\n this.initRotation();\n }\n\n if (this._options.debug) {\n if (this._options.debug.showAxes) {\n getAxes().forEach((axis) => this._obj.add(axis));\n }\n\n if (this._options.debug.showGrid) {\n const gridHelper = new THREE.GridHelper(3, 3, 0xff0000, 0xffeeee);\n gridHelper.geometry.rotateX(Math.PI / 2);\n this._obj.add(gridHelper);\n }\n }\n\n return super.init();\n }\n\n initRotation() {\n if (!this._options.rotation) {\n throw new Error(\n 'Must specify `rotation` option when creating a RotatingObject',\n );\n }\n\n const { rotation } = this._options;\n if (typeof rotation.jd0 === 'undefined') {\n return;\n }\n\n // Formula\n // https://astro.troja.mff.cuni.cz/projects/asteroids3D/web.php?page=db_description\n\n // Testing this asteroid:\n // http://astro.troja.mff.cuni.cz/projects/asteroids3D/web.php?page=db_asteroid_detail&asteroid_id=1504\n // Model 2691\n const { PI } = Math;\n\n // Cacus\n // http://astro.troja.mff.cuni.cz/projects/asteroids3D/web.php?page=db_asteroid_detail&asteroid_id=1046\n // http://astro.troja.mff.cuni.cz/projects/asteroids3D/php.php?script=db_sky_projection&model_id=1863&jd=2443568.0\n\n // Latitude\n const lambda = Units.rad(rotation.lambdaDeg || 0);\n\n // Longitude\n const beta = Units.rad(rotation.betaDeg || 0);\n\n // Other\n const P = rotation.period;\n const YORP = rotation.yorp || 0;\n const phi0 = Units.rad(rotation.phi0 || 0);\n const JD = this._simulation.getJd();\n const JD0 = rotation.jd0;\n\n // Asteroid rotation\n // this._obj.rotateOnWorldAxis(new THREE.Vector3(0, 0, 1), lambda);\n // this._obj.rotateOnWorldAxis(new THREE.Vector3(0, 1, 0), beta);\n\n // Adjust Z axis according to time.\n const zAdjust =\n phi0 +\n ((2 * PI) / P) * (JD - JD0) +\n (1 / 2) * YORP * Math.pow(JD - JD0, 2);\n this._obj.rotateY(-(PI / 2 - beta));\n this._obj.rotateZ(-lambda);\n this._obj.rotateZ(zAdjust);\n }\n\n /**\n * Updates the object and its label positions for a given time.\n * @param {Number} jd JD date\n */\n override update(jd: number, force: boolean = false) {\n if (\n this._obj &&\n this._objectIsRotatable &&\n this._options.rotation &&\n this._options.rotation.enable\n ) {\n // For now, just rotate on X axis.\n const speed = this._options.rotation.speed || 0.5;\n this._obj.rotation.z += speed * (Math.PI / 180);\n this._obj.rotation.z %= 360;\n }\n if (this._axisOfRotation) {\n // this._obj.rotateOnAxis(this._axisOfRotation, 0.01);\n }\n // this._obj.rotateZ(0.015)\n // this._obj.rotateOnWorldAxis(new THREE.Vector3(0, 0, 1), 0.01);\n\n // Update position\n super.update(jd, force);\n }\n\n /**\n * Gets the THREE.js objects that represent this SpaceObject.\n * @return {Array.} A list of THREE.js objects\n */\n override get3jsObjects(): THREE.Object3D[] {\n const ret = super.get3jsObjects();\n // Add to the front, because this is the primary object.\n ret.unshift(this._obj);\n return ret;\n }\n\n /**\n * Begin rotating this object.\n */\n startRotation() {\n if (!this._options.rotation) {\n throw new Error(\n 'Must specify `rotation` option when creating a RotatingObject',\n );\n }\n this._options.rotation.enable = true;\n }\n\n /**\n * Stop rotation of this object.\n */\n stopRotation() {\n if (!this._options.rotation) {\n throw new Error(\n 'Must specify `rotation` option when creating a RotatingObject',\n );\n }\n this._options.rotation.enable = false;\n }\n}\n", "import * as THREE from 'three';\nimport { OBJLoader } from 'three/examples/jsm/loaders/OBJLoader';\n\nimport { RotatingObject } from './RotatingObject';\n\nimport type { Simulation } from './Simulation';\nimport type { SpaceObjectOptions } from './SpaceObject';\n\nexport class ShapeObject extends RotatingObject {\n private shapeObj: THREE.Object3D | undefined;\n\n private loadingPromise: Promise;\n\n /**\n * @param {Object} options.shape Shape specification\n * @param {String} options.shape.type Type of object (\"custom\" or \"sphere\")\n * @param {String} options.shape.shapeUrl Path to shapefile if type is \"custom\"\n * @param {Number} options.shape.textureUrl Optional texture map for shape\n * @param {Number} options.shape.color Color of shape materials. Default 0xcccccc\n * @param {Number} options.shape.radius Radius, if applicable. Defaults to 1\n * @param {Object} options.shape.debug Debug options\n * @param {boolean} options.shape.debug.showAxes Show axes\n * rotation speed. Default 0.5\n * @see SpaceObject\n * @see RotatingObject\n */\n constructor(id: string, options: SpaceObjectOptions, simulation: Simulation) {\n super(id, options, simulation, false /* autoInit */);\n if (!options.shape) {\n throw new Error('ShapeObject requires an options.shape object');\n }\n if (!options.shape?.shapeUrl) {\n throw new Error(\n 'Must specify shape.shapeUrl when creating a ShapeObject',\n );\n }\n\n this.shapeObj = undefined;\n\n const manager = new THREE.LoadingManager();\n manager.onProgress = (item: string, loaded: number, total: number) => {\n console.info(this._id, item, 'loading progress:', loaded, '/', total);\n };\n this.loadingPromise = new Promise((resolve) => {\n const loader = new OBJLoader(manager);\n // TODO(ian): Make shapeurl follow assetpath logic.\n loader.load(options.shape!.shapeUrl!, (object) => {\n object.traverse((child) => {\n if (child instanceof THREE.Mesh) {\n const material = new THREE.MeshStandardMaterial({\n color: this._options.shape!.color || 0xcccccc,\n });\n child.material = material;\n child.geometry.scale(0.05, 0.05, 0.05);\n /*\n child.geometry.computeFaceNormals();\n child.geometry.computeVertexNormals();\n child.geometry.computeBoundingBox();\n */\n this._materials.push(material);\n }\n });\n\n this.shapeObj = object;\n this._obj.add(object);\n\n if (this._simulation) {\n // Add it all to visualization.\n this._simulation.addObject(this, false /* noUpdate */);\n }\n\n this._initialized = true;\n resolve(this.shapeObj);\n });\n });\n\n // TODO(ian): Create an orbit if applicable\n super.init();\n }\n\n /**\n * Specifies the object that is used to compute the bounding box.\n * @return {THREE.Object3D} THREE.js object\n */\n override async getBoundingObject(): Promise {\n return this.loadingPromise;\n }\n}\n", "import * as THREE from 'three';\n\nimport type {\n Simulation,\n SimulationContext,\n SimulationObject,\n} from './Simulation';\nimport { getFullTextureUrl } from './util';\n\ninterface SkyboxOptions {\n textureUrl: string;\n basePath: string;\n}\n\n/**\n * A class that adds a skybox (technically a skysphere) to a visualization.\n */\nexport class Skybox implements SimulationObject {\n private simulation: Simulation;\n\n private context: SimulationContext;\n\n private id: string;\n\n private options: SkyboxOptions;\n\n private mesh?: THREE.Mesh;\n\n /**\n * @param {Object} options Options\n * @param {String} options.textureUrl Texture to use\n * @param {String} options.basePath Base path to simulation supporting files\n * @param {Simulation} simulation Simulation object\n */\n constructor(options: SkyboxOptions, simulation: Simulation) {\n // TODO(ian): Support for actual box instead of sphere...\n this.options = options;\n this.id = `__skybox_${new Date().getTime()}`;\n\n // User passed in Simulation\n this.simulation = simulation;\n this.context = simulation.getContext();\n\n this.mesh = undefined;\n\n this.init();\n }\n\n /**\n * @private\n */\n private init() {\n const geometry = new THREE.SphereBufferGeometry(1e10, 32, 32);\n\n const fullTextureUrl = getFullTextureUrl(\n this.options.textureUrl,\n this.context.options.basePath,\n );\n const texture = new THREE.TextureLoader().load(fullTextureUrl);\n\n const material = new THREE.MeshBasicMaterial({\n map: texture,\n side: THREE.BackSide,\n });\n\n const sky = new THREE.Mesh(geometry, material);\n\n // See this thread on orientation of milky way:\n // https://www.physicsforums.com/threads/orientation-of-the-earth-sun-and-solar-system-in-the-milky-way.888643/\n sky.rotation.x = 0;\n sky.rotation.y = (-1 / 12) * Math.PI;\n sky.rotation.z = (8 / 5) * Math.PI;\n\n // We're on the inside of the skybox, so invert it to correct it.\n sky.scale.set(-1, 1, 1);\n\n this.mesh = sky;\n\n if (this.simulation) {\n this.simulation.addObject(this, true /* noUpdate */);\n }\n }\n\n /**\n * A list of THREE.js objects that are used to compose the skybox.\n * @return {THREE.Object3D[]} Skybox mesh\n */\n get3jsObjects(): THREE.Object3D[] {\n if (this.mesh) {\n return [this.mesh];\n }\n return [];\n }\n\n /**\n * Get the unique ID of this object.\n * @return {String} id\n */\n getId(): string {\n return this.id;\n }\n\n update() {\n // Skyboxes don't update\n }\n}\n\n/**\n * Preset skybox objects that you can use to add a skybox to your\n * visualization.\n * @example\n * ```\n * const skybox = viz.createSkybox(Spacekit.SkyboxPresets.NASA_TYCHO);\n * ```\n */\nexport const SkyboxPresets: Record = {\n ESO_GIGAGALAXY: {\n textureUrl: '{{assets}}/skybox/eso_milkyway.jpg',\n },\n ESO_LITE: {\n textureUrl: '{{assets}}/skybox/eso_lite.png',\n },\n NASA_TYCHO: {\n // from https://svs.gsfc.nasa.gov/3895\n textureUrl: '{{assets}}/skybox/nasa_tycho.jpg',\n },\n};\n", "import * as THREE from 'three';\n//import { TranslucentShader } from 'three/examples/jsm/shaders/TranslucentShader.js';\n\nimport Units from './Units';\nimport { RotatingObject } from './RotatingObject';\nimport { rescaleNumber } from './Scale';\nimport {\n ATMOSPHERE_SHADER_VERTEX,\n ATMOSPHERE_SHADER_FRAGMENT,\n RING_SHADER_VERTEX,\n RING_SHADER_FRAGMENT,\n SPHERE_SHADER_VERTEX,\n SPHERE_SHADER_FRAGMENT,\n} from './shaders';\n\nimport type { IUniform } from 'three';\nimport type { Simulation } from './Simulation';\nimport type { SpaceObjectOptions } from './SpaceObject';\n\n/**\n * Simulates a planet or other object as a perfect sphere.\n */\nexport class SphereObject extends RotatingObject {\n /**\n * @param {String} options.textureUrl Path to basic texture (optional)\n * @param {String} options.bumpMapUrl Path to bump map (optional)\n * @param {String} options.specularMapUrl Path to specular map (optional)\n * @param {Number} options.color Hex color of the sphere\n * @param {Number} options.axialTilt Axial tilt in degrees\n * @param {Number} options.radius Radius of sphere. Defaults to 1\n * @param {Object} options.levelsOfDetail List of {threshold: x, segments:\n * y}, where `threshold` is radii distance and `segments` is the number\n * number of sphere faces to render.\n * @param {Object} options.atmosphere Atmosphere options\n * @param {Object} options.atmosphere.enable Show atmosphere\n * @param {Object} options.atmosphere.color Atmosphere color\n * @param {Object} options.atmosphere.innerSizeRatio Size ratio of the inner\n * atmosphere to the radius of the sphere. Defaults to 0.025\n * @param {Object} options.atmosphere.outerSizeRatio Size ratio of the outer\n * atmosphere to the radius of the sphere. Defaults to 0.15\n * @param {Object} options.debug Debug options\n * @param {boolean} options.debug.showAxes Show axes\n * @see SpaceObject\n * @see RotatingObject\n */\n constructor(id: string, options: SpaceObjectOptions, simulation: Simulation) {\n super(id, options, simulation, false /* autoInit */);\n\n this.init();\n }\n\n override init(): boolean {\n let map: THREE.Texture | null = null;\n if (this._options.textureUrl) {\n map = new THREE.TextureLoader().load(this._options.textureUrl);\n }\n\n const detailedObj = new THREE.LOD();\n const levelsOfDetail = this._options.levelsOfDetail || [\n { radii: 0, segments: 64 },\n ];\n const radius = this.getScaledRadius();\n\n for (let i = 0; i < levelsOfDetail.length; i += 1) {\n const level = levelsOfDetail[i];\n const sphereGeometry = new THREE.SphereGeometry(\n radius,\n level.segments,\n level.segments,\n );\n\n let material: THREE.ShaderMaterial | THREE.MeshBasicMaterial;\n if (this._simulation.isUsingLightSources()) {\n console.warn(`SphereObject ${this._id} requires a texture when using a light source.`);\n const uniforms: Record = {\n sphereTexture: {\n value: undefined,\n },\n lightPos: {\n value: new THREE.Vector3(),\n },\n };\n // TODO(ian): Handle if no map\n uniforms.sphereTexture.value = map;\n uniforms.lightPos.value.copy(this._simulation.getLightPosition());\n material = new THREE.ShaderMaterial({\n uniforms,\n vertexShader: SPHERE_SHADER_VERTEX,\n fragmentShader: SPHERE_SHADER_FRAGMENT,\n transparent: true,\n });\n } else {\n const color = this._options.color ?? 0xbbbbbb;\n material = new THREE.MeshBasicMaterial({\n map,\n color,\n });\n }\n\n const mesh = new THREE.Mesh(sphereGeometry, material);\n mesh.receiveShadow = true;\n mesh.castShadow = true;\n\n // Change the coordinate system to have Z-axis pointed up.\n mesh.rotation.x = Math.PI / 2;\n\n // Show this number of segments at distance >= radii * level.radii.\n detailedObj.addLevel(mesh, radius * level.radii);\n }\n\n // Add to the parent base object.\n this._obj.add(detailedObj);\n\n if (this._options.atmosphere && this._options.atmosphere.enable) {\n const atmosphere = this.renderFullAtmosphere();\n if (atmosphere) {\n this._obj.add(atmosphere);\n }\n }\n\n if (this._options.axialTilt) {\n this._obj.rotation.y += Units.rad(this._options.axialTilt);\n }\n\n this._renderMethod = 'SPHERE';\n\n if (this._simulation) {\n // Add it all to visualization.\n this._simulation.addObject(this, false /* noUpdate */);\n }\n\n return super.init();\n }\n\n /**\n * @private\n */\n private getScaledRadius(): number {\n return rescaleNumber(this._options.radius || 1);\n }\n\n /**\n * @private\n * Model the atmosphere as two layers - a thick inner layer and a diffuse\n * outer one.\n */\n private renderFullAtmosphere() {\n if (!this._simulation.isUsingLightSources()) {\n console.warn('Cannot render atmosphere without a light source');\n return null;\n }\n\n const radius = this.getScaledRadius();\n const color = new THREE.Color(this._options?.atmosphere?.color ?? 0xffffff);\n\n const innerSize =\n radius * (this._options?.atmosphere?.innerSizeRatio ?? 0.025);\n const outerSize =\n radius * (this._options?.atmosphere?.outerSizeRatio ?? 0.15);\n\n const detailedObj = new THREE.Object3D();\n detailedObj.add(\n this.renderAtmosphereComponent(radius, innerSize, 0.8, 2.0, color),\n );\n detailedObj.add(\n this.renderAtmosphereComponent(radius, outerSize, 0.5, 4.0, color),\n );\n\n // Hide atmosphere beyond some multiple of radius distance.\n // TODO(ian): This effect is somewhat jarring when the atmosphere first\n // appears, also arbitrary...\n const ret = new THREE.LOD();\n ret.addLevel(detailedObj, 0);\n ret.addLevel(new THREE.Object3D(), radius * 24);\n return ret;\n }\n\n /**\n * @private\n * @param {Number} radius Radius of object\n * @param {Number} size Size of atmosphere\n * @param {Number} coefficient Coefficient value\n * @param {Number} power Power value\n * @param {THREE.Color} colorObj Color of atmosphere\n */\n private renderAtmosphereComponent(\n radius: number,\n size: number,\n coefficient: number,\n power: number,\n colorObj: THREE.Color,\n ) {\n const geometry = new THREE.SphereGeometry(radius + size, 32, 32);\n const uniforms = {\n c: { value: coefficient },\n p: { value: power },\n color: { value: colorObj },\n lightPos: { value: new THREE.Vector3() },\n };\n const lightPosition = this._simulation.getLightPosition();\n if (lightPosition) {\n uniforms.lightPos.value.copy(lightPosition);\n }\n // TODO(ian): Handle case where there is no light.\n\n const material = new THREE.ShaderMaterial({\n uniforms,\n vertexShader: ATMOSPHERE_SHADER_VERTEX,\n fragmentShader: ATMOSPHERE_SHADER_FRAGMENT,\n side: THREE.BackSide,\n transparent: true,\n depthWrite: false,\n });\n\n return new THREE.Mesh(geometry, material);\n }\n\n /**\n * Add rings around this object.\n * @param {Number} innerRadiusKm Inner radius of ring.\n * @param {Number} outerRadiusKm Outer radius of ring.\n * @param {String} texturePath Full path to 1xN ring texture. (each pixel\n * represents the color of a full circle within the ring)\n * @param {Number} segments Number of segments to use to render ring.\n * (optional)\n */\n addRings(\n innerRadiusKm: number,\n outerRadiusKm: number,\n texturePath: string,\n segments: number = 128,\n ) {\n const innerRadiusSize = rescaleNumber(Units.kmToAu(innerRadiusKm));\n const outerRadiusSize = rescaleNumber(Units.kmToAu(outerRadiusKm));\n\n const geometry = new THREE.RingGeometry(\n innerRadiusSize,\n outerRadiusSize,\n segments,\n 5,\n 0,\n Math.PI * 2,\n );\n // TODO(ian): Load from base path.\n const map = new THREE.TextureLoader().load(texturePath);\n\n let material;\n if (this._simulation.isUsingLightSources()) {\n // TODO(ian): Follow recommendation for defining ShaderMaterials here:\n // https://discourse.threejs.org/t/cant-get-a-sampler2d-uniform-to-work-from-datatexture/6366/14?u=ianw\n const uniforms = THREE.UniformsUtils.merge([\n // TODO(ian): These failed due to type check. Remove?\n // THREE.UniformsLib.ambient,\n THREE.UniformsLib.lights,\n // THREE.UniformsLib.shadowmap,\n {\n ringTexture: { value: null },\n innerRadius: { value: innerRadiusSize },\n outerRadius: { value: outerRadiusSize },\n lightPos: { value: new THREE.Vector3() },\n },\n ]);\n uniforms.ringTexture.value = map;\n uniforms.lightPos.value.copy(this._simulation.getLightPosition());\n\n material = new THREE.ShaderMaterial({\n uniforms,\n lights: true,\n vertexShader: RING_SHADER_VERTEX,\n fragmentShader: RING_SHADER_FRAGMENT,\n transparent: true,\n alphaTest: 0.1,\n side: THREE.DoubleSide,\n });\n } else {\n material = new THREE.MeshBasicMaterial({\n map,\n side: THREE.DoubleSide,\n transparent: true,\n alphaTest: 0.1,\n opacity: 0.8,\n });\n }\n\n const mesh = new THREE.Mesh(geometry, material);\n mesh.receiveShadow = true;\n mesh.castShadow = true;\n\n this._obj.add(mesh);\n }\n}\n", "import * as THREE from 'three';\n\nimport { STAR_SHADER_VERTEX, STAR_SHADER_FRAGMENT } from './shaders';\n\nimport type { Coordinate3d } from './Coordinates';\nimport type { Simulation, SimulationObject } from './Simulation';\n\ninterface StaticParticleOptions {\n defaultColor: number;\n size: number;\n}\n\nconst DEFAULT_PARTICLE_SIZE = 4;\nconst DEFAULT_COLOR = 0xffffff;\n\n/**\n * Simulates a static particle field in whichever base reference the simulation is in.\n */\nexport class StaticParticles implements SimulationObject {\n private id: string;\n\n private options: StaticParticleOptions;\n\n private simulation: Simulation;\n\n private points: Coordinate3d[];\n\n private pointObject?: THREE.Points;\n\n /**\n *\n * @param {String} id Unique ID for this object\n * @param {Array.Array.} points an array of X,Y,Z cartesian points, one for each particle\n * @param {Object} options container\n * @param {Color} options.defaultColor color to use for all particles can be a THREE string color name or hex value\n * @param {Number} options.size the size of each particle\n * @param {Simulation} simulation Simulation object\n */\n constructor(\n id: string,\n points: Coordinate3d[],\n options: StaticParticleOptions,\n simulation: Simulation,\n ) {\n this.options = options;\n\n this.id = id;\n\n // User passed in Simulation\n this.simulation = simulation;\n\n this.points = points;\n this.pointObject = undefined;\n\n this.init();\n this.simulation.addObject(this, true);\n }\n\n init() {\n const positions = new Float32Array(this.points.length * 3);\n const colors = new Float32Array(this.points.length * 3);\n const sizes = new Float32Array(this.points.length);\n let color = new THREE.Color(DEFAULT_COLOR);\n\n if (this.options.defaultColor) {\n color = new THREE.Color(this.options.defaultColor);\n }\n\n let size = DEFAULT_PARTICLE_SIZE;\n\n if (this.options.size) {\n size = this.options.size;\n }\n\n for (let i = 0, l = this.points.length; i < l; i++) {\n const vertex = this.points[i];\n positions.set(vertex, i * 3);\n color.toArray(colors, i * 3);\n sizes[i] = size;\n }\n\n const geometry = new THREE.BufferGeometry();\n geometry.setAttribute('position', new THREE.BufferAttribute(positions, 3));\n geometry.setAttribute('color', new THREE.BufferAttribute(colors, 3));\n geometry.setAttribute('size', new THREE.BufferAttribute(sizes, 1));\n\n const material = new THREE.ShaderMaterial({\n vertexColors: true,\n vertexShader: STAR_SHADER_VERTEX,\n fragmentShader: STAR_SHADER_FRAGMENT,\n transparent: true,\n });\n\n this.pointObject = new THREE.Points(geometry, material);\n }\n\n /**\n * A list of THREE.js objects that are used to compose the particle system.\n * @return {THREE.Object3D} Point geometry\n */\n get3jsObjects(): THREE.Object3D[] {\n if (this.pointObject) {\n return [this.pointObject];\n }\n return [];\n }\n\n /**\n * Get the unique ID of this object.\n * @return {String} id\n */\n getId(): string {\n return this.id;\n }\n\n update() {\n // Static particles don't update\n }\n}\n", "import * as THREE from 'three';\n\nimport Coordinates from './Coordinates';\nimport Units from './Units';\nimport { STAR_SHADER_VERTEX, STAR_SHADER_FRAGMENT } from './shaders';\nimport { getFullUrl } from './util';\n\nimport type {\n Simulation,\n SimulationContext,\n SimulationObject,\n} from './Simulation';\n\ninterface StarOptions {\n minSize?: number;\n}\n\ntype StarRecord = [number, number, number, number];\n\n/**\n * Maps spectral class to star color\n * @param temp {Number} Star temperature in Kelvin\n * @return {Number} Color for star of given spectral class\n */\nfunction getColorForStar(temp: number): number {\n if (temp >= 30000) return 0x92b5ff;\n if (temp >= 10000) return 0xa2c0ff;\n if (temp >= 7500) return 0xd5e0ff;\n if (temp >= 6000) return 0xf9f5ff;\n if (temp >= 5200) return 0xffede3;\n if (temp >= 3700) return 0xffdab5;\n if (temp >= 2400) return 0xffb56c;\n return 0xffb56c;\n}\n\n/**\n * Returns the pixel size of a star.\n * @param mag {Number} Absolute magnitude of star\n * @param minSize {Number} Pixel size of the smallest star\n * @return {Number} Pixel size of star.\n */\nfunction getSizeForStar(mag: number, minSize: number): number {\n if (mag < 2.0) return minSize * 4;\n if (mag < 4.0) return minSize * 2;\n if (mag < 6.0) return minSize;\n return 1;\n}\n\n/**\n * Builds a starry background that is accurate for the Earth's position in\n * space.\n */\nexport class Stars implements SimulationObject {\n private _id: string;\n\n private _options: StarOptions;\n\n private _simulation: Simulation;\n\n private _context: SimulationContext;\n\n private _stars?: THREE.Points;\n\n /**\n * @param {Number} options.minSize The size of the smallest star.\n * Defaults to 0.75\n */\n constructor(options: StarOptions, simulation: Simulation) {\n this._options = options;\n this._id = `__stars_${new Date().getTime()}`;\n\n this._simulation = simulation;\n this._context = simulation.getContext();\n\n this._stars = undefined;\n\n this.init();\n }\n\n init() {\n const dataUrl = getFullUrl(\n '{{data}}/processed/bsc.json',\n this._context.options.basePath,\n );\n\n fetch(dataUrl)\n .then((resp) => resp.json())\n .then((library) => {\n const n = library.length;\n\n const geometry = new THREE.BufferGeometry();\n\n const positions = new Float32Array(n * 3);\n const colors = new Float32Array(n * 3);\n const sizes = new Float32Array(n);\n\n geometry.setAttribute(\n 'position',\n new THREE.BufferAttribute(positions, 3),\n );\n geometry.setAttribute('color', new THREE.BufferAttribute(colors, 3));\n geometry.setAttribute('size', new THREE.BufferAttribute(sizes, 1));\n\n library.forEach((star: StarRecord, idx: number) => {\n const [ra, dec, temp, mag] = star;\n\n const raRad = Units.rad(Units.hoursToDeg(ra));\n const decRad = Units.rad(dec);\n\n const cartesianSpherical = Coordinates.sphericalToCartesian(\n raRad,\n decRad,\n 1e9,\n );\n const pos = Coordinates.equatorialToEcliptic_Cartesian(\n cartesianSpherical[0],\n cartesianSpherical[1],\n cartesianSpherical[2],\n Coordinates.getObliquity(), // defaults to J2000 value\n );\n\n positions.set(pos, idx * 3);\n\n const color = new THREE.Color(getColorForStar(temp));\n colors.set(color.toArray(), idx * 3);\n\n sizes[idx] = getSizeForStar(\n mag,\n this._options.minSize || 3.0 /* minSize */,\n );\n });\n\n const material = new THREE.ShaderMaterial({\n uniforms: {},\n vertexColors: true,\n vertexShader: STAR_SHADER_VERTEX,\n fragmentShader: STAR_SHADER_FRAGMENT,\n\n transparent: true,\n });\n\n this._stars = new THREE.Points(geometry, material);\n\n if (this._simulation) {\n this._simulation.addObject(this, true /* noUpdate */);\n }\n });\n }\n\n /**\n * A list of THREE.js objects that are used to compose this object\n * @return {THREE.Object3D[]} Star objects\n */\n get3jsObjects(): THREE.Object3D[] {\n if (this._stars) {\n return [this._stars];\n }\n return [];\n }\n\n /**\n * Get the unique ID of this object.\n * @return {String} id\n */\n getId(): string {\n return this._id;\n }\n\n update() {\n // 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+ "sources": ["../node_modules/julian/index.js", "../src/index.ts", "../node_modules/three/build/three.module.js", "../node_modules/three/build/three.core.js", "../node_modules/three/examples/jsm/controls/OrbitControls.js", "../src/Scale.ts", "../src/Camera.ts", "../src/Units.ts", "../src/Coordinates.ts", "../src/Ephem.ts", "../src/Math.ts", "../src/util.ts", "../src/EphemerisTable.ts", "../src/EphemPresets.ts", "../src/Orbit.ts", "../src/Simulation.ts", "../node_modules/three/examples/jsm/libs/stats.module.js", "../node_modules/postprocessing/build/index.js", "../src/shaders.ts", "../src/KeplerParticles.ts", "../node_modules/three/examples/jsm/loaders/OBJLoader.js", "../src/SpaceObject.ts", "../src/RotatingObject.ts", "../src/ShapeObject.ts", "../src/Skybox.ts", "../src/SphereObject.ts", "../src/StaticParticles.ts", "../src/Stars.ts"], + "sourcesContent": ["module.exports = convert;\nmodule.exports.toDate = convertToDate;\n\nmodule.exports.toJulianDay = toJulianDay;\nmodule.exports.toMillisecondsInJulianDay = toMillisecondsInJulianDay;\nmodule.exports.fromJulianDayAndMilliseconds = fromJulianDayAndMilliseconds;\n\nvar DAY = 86400000;\nvar HALF_DAY = DAY / 2;\nvar UNIX_EPOCH_JULIAN_DATE = 2440587.5;\nvar UNIX_EPOCH_JULIAN_DAY = 2440587;\n\nfunction convert(date) {\n return (toJulianDay(date) + (toMillisecondsInJulianDay(date) / DAY)).toFixed(6);\n};\n\nfunction convertToDate(julian) {\n return new Date((Number(julian) - UNIX_EPOCH_JULIAN_DATE) * DAY);\n};\n\nfunction toJulianDay(date) {\n return ~~((+date + HALF_DAY) / DAY) + UNIX_EPOCH_JULIAN_DAY;\n};\n\nfunction toMillisecondsInJulianDay(date) {\n return (+date + HALF_DAY) % DAY;\n};\n\nfunction fromJulianDayAndMilliseconds(day, ms) {\n return (day - UNIX_EPOCH_JULIAN_DATE) * DAY + ms;\n};\n", "export * from './Camera';\nexport * from './Coordinates';\nexport * from './Ephem';\nexport * from './EphemerisTable';\nexport * from './EphemPresets';\nexport * from './Orbit';\nexport * from './Simulation';\nexport * from './Skybox';\nexport * from './SpaceObject';\nexport * from './RotatingObject';\nexport * from './ShapeObject';\nexport * from './SphereObject';\nexport * from './StaticParticles';\nexport * from './KeplerParticles';\nexport * from './Stars';\nexport * from './Units';\n\nimport * as _THREE from 'three';\nexport const THREE = _THREE;\n", "/**\n * @license\n * Copyright 2010-2025 Three.js Authors\n * SPDX-License-Identifier: MIT\n */\nimport { Color, Matrix3, Vector2, mergeUniforms, Vector3, CubeUVReflectionMapping, Mesh, BoxGeometry, ShaderMaterial, cloneUniforms, BackSide, ColorManagement, SRGBTransfer, PlaneGeometry, FrontSide, getUnlitUniformColorSpace, Euler, Matrix4, IntType, RGBAFormat, HalfFloatType, UnsignedByteType, FloatType, Plane, EquirectangularReflectionMapping, EquirectangularRefractionMapping, WebGLCubeRenderTarget, CubeReflectionMapping, CubeRefractionMapping, PerspectiveCamera, NoToneMapping, MeshBasicMaterial, BufferGeometry, BufferAttribute, WebGLRenderTarget, NoBlending, OrthographicCamera, LinearFilter, LinearSRGBColorSpace, warnOnce, arrayNeedsUint32, Uint32BufferAttribute, Uint16BufferAttribute, Vector4, DataArrayTexture, LessEqualCompare, Texture, DepthTexture, Data3DTexture, CubeTexture, GLSL3, CustomToneMapping, NeutralToneMapping, AgXToneMapping, ACESFilmicToneMapping, CineonToneMapping, ReinhardToneMapping, LinearToneMapping, PCFShadowMap, PCFSoftShadowMap, VSMShadowMap, LinearTransfer, AddOperation, MixOperation, MultiplyOperation, ObjectSpaceNormalMap, TangentSpaceNormalMap, NormalBlending, DoubleSide, UniformsUtils, Layers, Frustum, MeshDepthMaterial, RGBADepthPacking, MeshDistanceMaterial, NearestFilter, LessEqualDepth, AddEquation, SubtractEquation, ReverseSubtractEquation, ZeroFactor, OneFactor, SrcColorFactor, SrcAlphaFactor, SrcAlphaSaturateFactor, DstColorFactor, DstAlphaFactor, OneMinusSrcColorFactor, OneMinusSrcAlphaFactor, OneMinusDstColorFactor, OneMinusDstAlphaFactor, ConstantColorFactor, OneMinusConstantColorFactor, ConstantAlphaFactor, OneMinusConstantAlphaFactor, CustomBlending, MultiplyBlending, SubtractiveBlending, AdditiveBlending, CullFaceNone, CullFaceBack, CullFaceFront, NotEqualDepth, GreaterDepth, GreaterEqualDepth, EqualDepth, LessDepth, AlwaysDepth, NeverDepth, MinEquation, MaxEquation, RepeatWrapping, ClampToEdgeWrapping, MirroredRepeatWrapping, NearestMipmapNearestFilter, NearestMipmapLinearFilter, LinearMipmapNearestFilter, LinearMipmapLinearFilter, NeverCompare, AlwaysCompare, LessCompare, EqualCompare, GreaterEqualCompare, GreaterCompare, NotEqualCompare, NoColorSpace, DepthStencilFormat, getByteLength, UnsignedIntType, UnsignedInt248Type, UnsignedShortType, DepthFormat, createElementNS, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedInt5999Type, ByteType, ShortType, AlphaFormat, RGBFormat, LuminanceFormat, LuminanceAlphaFormat, RedFormat, RedIntegerFormat, RGFormat, RGIntegerFormat, RGBAIntegerFormat, RGB_S3TC_DXT1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGB_PVRTC_4BPPV1_Format, RGB_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_PVRTC_2BPPV1_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGBA_ETC2_EAC_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_10x10_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_BPTC_Format, RGB_BPTC_SIGNED_Format, RGB_BPTC_UNSIGNED_Format, RED_RGTC1_Format, SIGNED_RED_RGTC1_Format, RED_GREEN_RGTC2_Format, SIGNED_RED_GREEN_RGTC2_Format, EventDispatcher, ArrayCamera, WebXRController, RAD2DEG, createCanvasElement, SRGBColorSpace, REVISION, toNormalizedProjectionMatrix, toReversedProjectionMatrix, probeAsync, WebGLCoordinateSystem } from './three.core.js';\nexport { AdditiveAnimationBlendMode, AlwaysStencilFunc, AmbientLight, AnimationAction, AnimationClip, AnimationLoader, AnimationMixer, AnimationObjectGroup, AnimationUtils, ArcCurve, ArrowHelper, AttachedBindMode, Audio, AudioAnalyser, AudioContext, AudioListener, AudioLoader, AxesHelper, BasicDepthPacking, BasicShadowMap, BatchedMesh, Bone, BooleanKeyframeTrack, Box2, Box3, Box3Helper, BoxHelper, BufferGeometryLoader, Cache, Camera, CameraHelper, CanvasTexture, CapsuleGeometry, CatmullRomCurve3, CircleGeometry, Clock, ColorKeyframeTrack, CompressedArrayTexture, CompressedCubeTexture, CompressedTexture, CompressedTextureLoader, ConeGeometry, Controls, CubeCamera, CubeTextureLoader, CubicBezierCurve, CubicBezierCurve3, CubicInterpolant, CullFaceFrontBack, Curve, CurvePath, CylinderGeometry, Cylindrical, DataTexture, DataTextureLoader, DataUtils, DecrementStencilOp, DecrementWrapStencilOp, DefaultLoadingManager, DetachedBindMode, DirectionalLight, DirectionalLightHelper, DiscreteInterpolant, DodecahedronGeometry, DynamicCopyUsage, DynamicDrawUsage, DynamicReadUsage, EdgesGeometry, EllipseCurve, EqualStencilFunc, ExtrudeGeometry, FileLoader, Float16BufferAttribute, Float32BufferAttribute, Fog, FogExp2, FramebufferTexture, GLBufferAttribute, GLSL1, GreaterEqualStencilFunc, GreaterStencilFunc, GridHelper, Group, HemisphereLight, HemisphereLightHelper, IcosahedronGeometry, ImageBitmapLoader, ImageLoader, ImageUtils, IncrementStencilOp, IncrementWrapStencilOp, InstancedBufferAttribute, InstancedBufferGeometry, InstancedInterleavedBuffer, InstancedMesh, Int16BufferAttribute, Int32BufferAttribute, Int8BufferAttribute, InterleavedBuffer, InterleavedBufferAttribute, Interpolant, InterpolateDiscrete, InterpolateLinear, InterpolateSmooth, InvertStencilOp, KeepStencilOp, KeyframeTrack, LOD, LatheGeometry, LessEqualStencilFunc, LessStencilFunc, Light, LightProbe, Line, Line3, LineBasicMaterial, LineCurve, LineCurve3, LineDashedMaterial, LineLoop, LineSegments, LinearInterpolant, LinearMipMapLinearFilter, LinearMipMapNearestFilter, Loader, LoaderUtils, LoadingManager, LoopOnce, LoopPingPong, LoopRepeat, MOUSE, Material, MaterialLoader, MathUtils, Matrix2, MeshLambertMaterial, MeshMatcapMaterial, MeshNormalMaterial, MeshPhongMaterial, MeshPhysicalMaterial, MeshStandardMaterial, MeshToonMaterial, NearestMipMapLinearFilter, NearestMipMapNearestFilter, NeverStencilFunc, NormalAnimationBlendMode, NotEqualStencilFunc, NumberKeyframeTrack, Object3D, ObjectLoader, OctahedronGeometry, Path, PlaneHelper, PointLight, PointLightHelper, Points, PointsMaterial, PolarGridHelper, PolyhedronGeometry, PositionalAudio, PropertyBinding, PropertyMixer, QuadraticBezierCurve, QuadraticBezierCurve3, Quaternion, QuaternionKeyframeTrack, QuaternionLinearInterpolant, RGBDepthPacking, RGBIntegerFormat, RGDepthPacking, RawShaderMaterial, Ray, Raycaster, RectAreaLight, RenderTarget, RenderTarget3D, RenderTargetArray, ReplaceStencilOp, RingGeometry, Scene, ShadowMaterial, Shape, ShapeGeometry, ShapePath, ShapeUtils, Skeleton, SkeletonHelper, SkinnedMesh, Source, Sphere, SphereGeometry, Spherical, SphericalHarmonics3, SplineCurve, SpotLight, SpotLightHelper, Sprite, SpriteMaterial, StaticCopyUsage, StaticDrawUsage, StaticReadUsage, StereoCamera, StreamCopyUsage, StreamDrawUsage, StreamReadUsage, StringKeyframeTrack, TOUCH, TetrahedronGeometry, TextureLoader, TextureUtils, TimestampQuery, TorusGeometry, TorusKnotGeometry, Triangle, TriangleFanDrawMode, TriangleStripDrawMode, TrianglesDrawMode, TubeGeometry, UVMapping, Uint8BufferAttribute, Uint8ClampedBufferAttribute, Uniform, UniformsGroup, VectorKeyframeTrack, VideoFrameTexture, VideoTexture, WebGL3DRenderTarget, WebGLArrayRenderTarget, WebGPUCoordinateSystem, WireframeGeometry, WrapAroundEnding, ZeroCurvatureEnding, ZeroSlopeEnding, ZeroStencilOp } from './three.core.js';\n\nfunction WebGLAnimation() {\n\n\tlet context = null;\n\tlet isAnimating = false;\n\tlet animationLoop = null;\n\tlet requestId = null;\n\n\tfunction onAnimationFrame( time, frame ) {\n\n\t\tanimationLoop( time, frame );\n\n\t\trequestId = context.requestAnimationFrame( onAnimationFrame );\n\n\t}\n\n\treturn {\n\n\t\tstart: function () {\n\n\t\t\tif ( isAnimating === true ) return;\n\t\t\tif ( animationLoop === null ) return;\n\n\t\t\trequestId = context.requestAnimationFrame( onAnimationFrame );\n\n\t\t\tisAnimating = true;\n\n\t\t},\n\n\t\tstop: function () {\n\n\t\t\tcontext.cancelAnimationFrame( requestId );\n\n\t\t\tisAnimating = false;\n\n\t\t},\n\n\t\tsetAnimationLoop: function ( callback ) {\n\n\t\t\tanimationLoop = callback;\n\n\t\t},\n\n\t\tsetContext: function ( value ) {\n\n\t\t\tcontext = value;\n\n\t\t}\n\n\t};\n\n}\n\nfunction WebGLAttributes( gl ) {\n\n\tconst buffers = new WeakMap();\n\n\tfunction createBuffer( attribute, bufferType ) {\n\n\t\tconst array = attribute.array;\n\t\tconst usage = attribute.usage;\n\t\tconst size = array.byteLength;\n\n\t\tconst buffer = gl.createBuffer();\n\n\t\tgl.bindBuffer( bufferType, buffer );\n\t\tgl.bufferData( bufferType, array, usage );\n\n\t\tattribute.onUploadCallback();\n\n\t\tlet type;\n\n\t\tif ( array instanceof Float32Array ) {\n\n\t\t\ttype = gl.FLOAT;\n\n\t\t} else if ( array instanceof Uint16Array ) {\n\n\t\t\tif ( attribute.isFloat16BufferAttribute ) {\n\n\t\t\t\ttype = gl.HALF_FLOAT;\n\n\t\t\t} else {\n\n\t\t\t\ttype = gl.UNSIGNED_SHORT;\n\n\t\t\t}\n\n\t\t} else if ( array instanceof Int16Array ) {\n\n\t\t\ttype = gl.SHORT;\n\n\t\t} else if ( array instanceof Uint32Array ) {\n\n\t\t\ttype = gl.UNSIGNED_INT;\n\n\t\t} else if ( array instanceof Int32Array ) {\n\n\t\t\ttype = gl.INT;\n\n\t\t} else if ( array instanceof Int8Array ) {\n\n\t\t\ttype = gl.BYTE;\n\n\t\t} else if ( array instanceof Uint8Array ) {\n\n\t\t\ttype = gl.UNSIGNED_BYTE;\n\n\t\t} else if ( array instanceof Uint8ClampedArray ) {\n\n\t\t\ttype = gl.UNSIGNED_BYTE;\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'THREE.WebGLAttributes: Unsupported buffer data format: ' + array );\n\n\t\t}\n\n\t\treturn {\n\t\t\tbuffer: buffer,\n\t\t\ttype: type,\n\t\t\tbytesPerElement: array.BYTES_PER_ELEMENT,\n\t\t\tversion: attribute.version,\n\t\t\tsize: size\n\t\t};\n\n\t}\n\n\tfunction updateBuffer( buffer, attribute, bufferType ) {\n\n\t\tconst array = attribute.array;\n\t\tconst updateRanges = attribute.updateRanges;\n\n\t\tgl.bindBuffer( bufferType, buffer );\n\n\t\tif ( updateRanges.length === 0 ) {\n\n\t\t\t// Not using update ranges\n\t\t\tgl.bufferSubData( bufferType, 0, array );\n\n\t\t} else {\n\n\t\t\t// Before applying update ranges, we merge any adjacent / overlapping\n\t\t\t// ranges to reduce load on `gl.bufferSubData`. Empirically, this has led\n\t\t\t// to performance improvements for applications which make heavy use of\n\t\t\t// update ranges. Likely due to GPU command overhead.\n\t\t\t//\n\t\t\t// Note that to reduce garbage collection between frames, we merge the\n\t\t\t// update ranges in-place. This is safe because this method will clear the\n\t\t\t// update ranges once updated.\n\n\t\t\tupdateRanges.sort( ( a, b ) => a.start - b.start );\n\n\t\t\t// To merge the update ranges in-place, we work from left to right in the\n\t\t\t// existing updateRanges array, merging ranges. This may result in a final\n\t\t\t// array which is smaller than the original. This index tracks the last\n\t\t\t// index representing a merged range, any data after this index can be\n\t\t\t// trimmed once the merge algorithm is completed.\n\t\t\tlet mergeIndex = 0;\n\n\t\t\tfor ( let i = 1; i < updateRanges.length; i ++ ) {\n\n\t\t\t\tconst previousRange = updateRanges[ mergeIndex ];\n\t\t\t\tconst range = updateRanges[ i ];\n\n\t\t\t\t// We add one here to merge adjacent ranges. This is safe because ranges\n\t\t\t\t// operate over positive integers.\n\t\t\t\tif ( range.start <= previousRange.start + previousRange.count + 1 ) {\n\n\t\t\t\t\tpreviousRange.count = Math.max(\n\t\t\t\t\t\tpreviousRange.count,\n\t\t\t\t\t\trange.start + range.count - previousRange.start\n\t\t\t\t\t);\n\n\t\t\t\t} else {\n\n\t\t\t\t\t++ mergeIndex;\n\t\t\t\t\tupdateRanges[ mergeIndex ] = range;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Trim the array to only contain the merged ranges.\n\t\t\tupdateRanges.length = mergeIndex + 1;\n\n\t\t\tfor ( let i = 0, l = updateRanges.length; i < l; i ++ ) {\n\n\t\t\t\tconst range = updateRanges[ i ];\n\n\t\t\t\tgl.bufferSubData( bufferType, range.start * array.BYTES_PER_ELEMENT,\n\t\t\t\t\tarray, range.start, range.count );\n\n\t\t\t}\n\n\t\t\tattribute.clearUpdateRanges();\n\n\t\t}\n\n\t\tattribute.onUploadCallback();\n\n\t}\n\n\t//\n\n\tfunction get( attribute ) {\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\treturn buffers.get( attribute );\n\n\t}\n\n\tfunction remove( attribute ) {\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\tconst data = buffers.get( attribute );\n\n\t\tif ( data ) {\n\n\t\t\tgl.deleteBuffer( data.buffer );\n\n\t\t\tbuffers.delete( attribute );\n\n\t\t}\n\n\t}\n\n\tfunction update( attribute, bufferType ) {\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data;\n\n\t\tif ( attribute.isGLBufferAttribute ) {\n\n\t\t\tconst cached = buffers.get( attribute );\n\n\t\t\tif ( ! cached || cached.version < attribute.version ) {\n\n\t\t\t\tbuffers.set( attribute, {\n\t\t\t\t\tbuffer: attribute.buffer,\n\t\t\t\t\ttype: attribute.type,\n\t\t\t\t\tbytesPerElement: attribute.elementSize,\n\t\t\t\t\tversion: attribute.version\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst data = buffers.get( attribute );\n\n\t\tif ( data === undefined ) {\n\n\t\t\tbuffers.set( attribute, createBuffer( attribute, bufferType ) );\n\n\t\t} else if ( data.version < attribute.version ) {\n\n\t\t\tif ( data.size !== attribute.array.byteLength ) {\n\n\t\t\t\tthrow new Error( 'THREE.WebGLAttributes: The size of the buffer attribute\\'s array buffer does not match the original size. Resizing buffer attributes is not supported.' );\n\n\t\t\t}\n\n\t\t\tupdateBuffer( data.buffer, attribute, bufferType );\n\n\t\t\tdata.version = attribute.version;\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\tget: get,\n\t\tremove: remove,\n\t\tupdate: update\n\n\t};\n\n}\n\nvar alphahash_fragment = \"#ifdef USE_ALPHAHASH\\n\\tif ( diffuseColor.a < getAlphaHashThreshold( vPosition ) ) discard;\\n#endif\";\n\nvar alphahash_pars_fragment = \"#ifdef USE_ALPHAHASH\\n\\tconst float ALPHA_HASH_SCALE = 0.05;\\n\\tfloat hash2D( vec2 value ) {\\n\\t\\treturn fract( 1.0e4 * sin( 17.0 * value.x + 0.1 * value.y ) * ( 0.1 + abs( sin( 13.0 * value.y + value.x ) ) ) );\\n\\t}\\n\\tfloat hash3D( vec3 value ) {\\n\\t\\treturn hash2D( vec2( hash2D( value.xy ), value.z ) );\\n\\t}\\n\\tfloat getAlphaHashThreshold( vec3 position ) {\\n\\t\\tfloat maxDeriv = max(\\n\\t\\t\\tlength( dFdx( position.xyz ) ),\\n\\t\\t\\tlength( dFdy( position.xyz ) )\\n\\t\\t);\\n\\t\\tfloat pixScale = 1.0 / ( ALPHA_HASH_SCALE * maxDeriv );\\n\\t\\tvec2 pixScales = vec2(\\n\\t\\t\\texp2( floor( log2( pixScale ) ) ),\\n\\t\\t\\texp2( ceil( log2( pixScale ) ) )\\n\\t\\t);\\n\\t\\tvec2 alpha = vec2(\\n\\t\\t\\thash3D( floor( pixScales.x * position.xyz ) ),\\n\\t\\t\\thash3D( floor( pixScales.y * position.xyz ) )\\n\\t\\t);\\n\\t\\tfloat lerpFactor = fract( log2( pixScale ) );\\n\\t\\tfloat x = ( 1.0 - lerpFactor ) * alpha.x + lerpFactor * alpha.y;\\n\\t\\tfloat a = min( lerpFactor, 1.0 - lerpFactor );\\n\\t\\tvec3 cases = vec3(\\n\\t\\t\\tx * x / ( 2.0 * a * ( 1.0 - a ) ),\\n\\t\\t\\t( x - 0.5 * a ) / ( 1.0 - a ),\\n\\t\\t\\t1.0 - ( ( 1.0 - x ) * ( 1.0 - x ) / ( 2.0 * a * ( 1.0 - a ) ) )\\n\\t\\t);\\n\\t\\tfloat threshold = ( x < ( 1.0 - a ) )\\n\\t\\t\\t? ( ( x < a ) ? cases.x : cases.y )\\n\\t\\t\\t: cases.z;\\n\\t\\treturn clamp( threshold , 1.0e-6, 1.0 );\\n\\t}\\n#endif\";\n\nvar alphamap_fragment = \"#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, vAlphaMapUv ).g;\\n#endif\";\n\nvar alphamap_pars_fragment = \"#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\";\n\nvar alphatest_fragment = \"#ifdef USE_ALPHATEST\\n\\t#ifdef ALPHA_TO_COVERAGE\\n\\tdiffuseColor.a = smoothstep( alphaTest, alphaTest + fwidth( diffuseColor.a ), diffuseColor.a );\\n\\tif ( diffuseColor.a == 0.0 ) discard;\\n\\t#else\\n\\tif ( diffuseColor.a < alphaTest ) discard;\\n\\t#endif\\n#endif\";\n\nvar alphatest_pars_fragment = \"#ifdef USE_ALPHATEST\\n\\tuniform float alphaTest;\\n#endif\";\n\nvar aomap_fragment = \"#ifdef USE_AOMAP\\n\\tfloat ambientOcclusion = ( texture2D( aoMap, vAoMapUv ).r - 1.0 ) * aoMapIntensity + 1.0;\\n\\treflectedLight.indirectDiffuse *= ambientOcclusion;\\n\\t#if defined( USE_CLEARCOAT ) \\n\\t\\tclearcoatSpecularIndirect *= ambientOcclusion;\\n\\t#endif\\n\\t#if defined( USE_SHEEN ) \\n\\t\\tsheenSpecularIndirect *= ambientOcclusion;\\n\\t#endif\\n\\t#if defined( USE_ENVMAP ) && defined( STANDARD )\\n\\t\\tfloat dotNV = saturate( dot( geometryNormal, geometryViewDir ) );\\n\\t\\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\\n\\t#endif\\n#endif\";\n\nvar aomap_pars_fragment = \"#ifdef USE_AOMAP\\n\\tuniform sampler2D aoMap;\\n\\tuniform float aoMapIntensity;\\n#endif\";\n\nvar batching_pars_vertex = \"#ifdef USE_BATCHING\\n\\t#if ! defined( GL_ANGLE_multi_draw )\\n\\t#define gl_DrawID _gl_DrawID\\n\\tuniform int _gl_DrawID;\\n\\t#endif\\n\\tuniform highp sampler2D batchingTexture;\\n\\tuniform highp usampler2D batchingIdTexture;\\n\\tmat4 getBatchingMatrix( const in float i ) {\\n\\t\\tint size = textureSize( batchingTexture, 0 ).x;\\n\\t\\tint j = int( i ) * 4;\\n\\t\\tint x = j % size;\\n\\t\\tint y = j / size;\\n\\t\\tvec4 v1 = texelFetch( batchingTexture, ivec2( x, y ), 0 );\\n\\t\\tvec4 v2 = texelFetch( batchingTexture, ivec2( x + 1, y ), 0 );\\n\\t\\tvec4 v3 = texelFetch( batchingTexture, ivec2( x + 2, y ), 0 );\\n\\t\\tvec4 v4 = texelFetch( batchingTexture, ivec2( x + 3, y ), 0 );\\n\\t\\treturn mat4( v1, v2, v3, v4 );\\n\\t}\\n\\tfloat getIndirectIndex( const in int i ) {\\n\\t\\tint size = textureSize( batchingIdTexture, 0 ).x;\\n\\t\\tint x = i % size;\\n\\t\\tint y = i / size;\\n\\t\\treturn float( texelFetch( batchingIdTexture, ivec2( x, y ), 0 ).r );\\n\\t}\\n#endif\\n#ifdef USE_BATCHING_COLOR\\n\\tuniform sampler2D batchingColorTexture;\\n\\tvec3 getBatchingColor( const in float i ) {\\n\\t\\tint size = textureSize( batchingColorTexture, 0 ).x;\\n\\t\\tint j = int( i );\\n\\t\\tint x = j % size;\\n\\t\\tint y = j / size;\\n\\t\\treturn texelFetch( batchingColorTexture, ivec2( x, y ), 0 ).rgb;\\n\\t}\\n#endif\";\n\nvar batching_vertex = \"#ifdef USE_BATCHING\\n\\tmat4 batchingMatrix = getBatchingMatrix( getIndirectIndex( gl_DrawID ) );\\n#endif\";\n\nvar begin_vertex = \"vec3 transformed = vec3( position );\\n#ifdef USE_ALPHAHASH\\n\\tvPosition = vec3( position );\\n#endif\";\n\nvar beginnormal_vertex = \"vec3 objectNormal = vec3( normal );\\n#ifdef USE_TANGENT\\n\\tvec3 objectTangent = vec3( tangent.xyz );\\n#endif\";\n\nvar bsdfs = \"float G_BlinnPhong_Implicit( ) {\\n\\treturn 0.25;\\n}\\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\\n\\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\\n}\\nvec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\\n\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\\n\\tvec3 F = F_Schlick( specularColor, 1.0, dotVH );\\n\\tfloat G = G_BlinnPhong_Implicit( );\\n\\tfloat D = D_BlinnPhong( shininess, dotNH );\\n\\treturn F * ( G * D );\\n} // validated\";\n\nvar iridescence_fragment = \"#ifdef USE_IRIDESCENCE\\n\\tconst mat3 XYZ_TO_REC709 = mat3(\\n\\t\\t 3.2404542, -0.9692660, 0.0556434,\\n\\t\\t-1.5371385, 1.8760108, -0.2040259,\\n\\t\\t-0.4985314, 0.0415560, 1.0572252\\n\\t);\\n\\tvec3 Fresnel0ToIor( vec3 fresnel0 ) {\\n\\t\\tvec3 sqrtF0 = sqrt( fresnel0 );\\n\\t\\treturn ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );\\n\\t}\\n\\tvec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {\\n\\t\\treturn pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );\\n\\t}\\n\\tfloat IorToFresnel0( float transmittedIor, float incidentIor ) {\\n\\t\\treturn pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));\\n\\t}\\n\\tvec3 evalSensitivity( float OPD, vec3 shift ) {\\n\\t\\tfloat phase = 2.0 * PI * OPD * 1.0e-9;\\n\\t\\tvec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );\\n\\t\\tvec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );\\n\\t\\tvec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );\\n\\t\\tvec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );\\n\\t\\txyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) );\\n\\t\\txyz /= 1.0685e-7;\\n\\t\\tvec3 rgb = XYZ_TO_REC709 * xyz;\\n\\t\\treturn rgb;\\n\\t}\\n\\tvec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {\\n\\t\\tvec3 I;\\n\\t\\tfloat iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );\\n\\t\\tfloat sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );\\n\\t\\tfloat cosTheta2Sq = 1.0 - sinTheta2Sq;\\n\\t\\tif ( cosTheta2Sq < 0.0 ) {\\n\\t\\t\\treturn vec3( 1.0 );\\n\\t\\t}\\n\\t\\tfloat cosTheta2 = sqrt( cosTheta2Sq );\\n\\t\\tfloat R0 = IorToFresnel0( iridescenceIOR, outsideIOR );\\n\\t\\tfloat R12 = F_Schlick( R0, 1.0, cosTheta1 );\\n\\t\\tfloat T121 = 1.0 - R12;\\n\\t\\tfloat phi12 = 0.0;\\n\\t\\tif ( iridescenceIOR < outsideIOR ) phi12 = PI;\\n\\t\\tfloat phi21 = PI - phi12;\\n\\t\\tvec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) );\\t\\tvec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );\\n\\t\\tvec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );\\n\\t\\tvec3 phi23 = vec3( 0.0 );\\n\\t\\tif ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI;\\n\\t\\tif ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI;\\n\\t\\tif ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI;\\n\\t\\tfloat OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;\\n\\t\\tvec3 phi = vec3( phi21 ) + phi23;\\n\\t\\tvec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );\\n\\t\\tvec3 r123 = sqrt( R123 );\\n\\t\\tvec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );\\n\\t\\tvec3 C0 = R12 + Rs;\\n\\t\\tI = C0;\\n\\t\\tvec3 Cm = Rs - T121;\\n\\t\\tfor ( int m = 1; m <= 2; ++ m ) {\\n\\t\\t\\tCm *= r123;\\n\\t\\t\\tvec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );\\n\\t\\t\\tI += Cm * Sm;\\n\\t\\t}\\n\\t\\treturn max( I, vec3( 0.0 ) );\\n\\t}\\n#endif\";\n\nvar bumpmap_pars_fragment = \"#ifdef USE_BUMPMAP\\n\\tuniform sampler2D bumpMap;\\n\\tuniform float bumpScale;\\n\\tvec2 dHdxy_fwd() {\\n\\t\\tvec2 dSTdx = dFdx( vBumpMapUv );\\n\\t\\tvec2 dSTdy = dFdy( vBumpMapUv );\\n\\t\\tfloat Hll = bumpScale * texture2D( bumpMap, vBumpMapUv ).x;\\n\\t\\tfloat dBx = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdx ).x - Hll;\\n\\t\\tfloat dBy = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdy ).x - Hll;\\n\\t\\treturn vec2( dBx, dBy );\\n\\t}\\n\\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\\n\\t\\tvec3 vSigmaX = normalize( dFdx( surf_pos.xyz ) );\\n\\t\\tvec3 vSigmaY = normalize( dFdy( surf_pos.xyz ) );\\n\\t\\tvec3 vN = surf_norm;\\n\\t\\tvec3 R1 = cross( vSigmaY, vN );\\n\\t\\tvec3 R2 = cross( vN, vSigmaX );\\n\\t\\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\\n\\t\\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\\n\\t\\treturn normalize( abs( fDet ) * surf_norm - vGrad );\\n\\t}\\n#endif\";\n\nvar clipping_planes_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvec4 plane;\\n\\t#ifdef ALPHA_TO_COVERAGE\\n\\t\\tfloat distanceToPlane, distanceGradient;\\n\\t\\tfloat clipOpacity = 1.0;\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\\n\\t\\t\\tplane = clippingPlanes[ i ];\\n\\t\\t\\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\\n\\t\\t\\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\\n\\t\\t\\tclipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\\n\\t\\t\\tif ( clipOpacity == 0.0 ) discard;\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t\\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\\n\\t\\t\\tfloat unionClipOpacity = 1.0;\\n\\t\\t\\t#pragma unroll_loop_start\\n\\t\\t\\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\\n\\t\\t\\t\\tplane = clippingPlanes[ i ];\\n\\t\\t\\t\\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\\n\\t\\t\\t\\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\\n\\t\\t\\t\\tunionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\\n\\t\\t\\t}\\n\\t\\t\\t#pragma unroll_loop_end\\n\\t\\t\\tclipOpacity *= 1.0 - unionClipOpacity;\\n\\t\\t#endif\\n\\t\\tdiffuseColor.a *= clipOpacity;\\n\\t\\tif ( diffuseColor.a == 0.0 ) discard;\\n\\t#else\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\\n\\t\\t\\tplane = clippingPlanes[ i ];\\n\\t\\t\\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t\\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\\n\\t\\t\\tbool clipped = true;\\n\\t\\t\\t#pragma unroll_loop_start\\n\\t\\t\\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\\n\\t\\t\\t\\tplane = clippingPlanes[ i ];\\n\\t\\t\\t\\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\\n\\t\\t\\t}\\n\\t\\t\\t#pragma unroll_loop_end\\n\\t\\t\\tif ( clipped ) discard;\\n\\t\\t#endif\\n\\t#endif\\n#endif\";\n\nvar clipping_planes_pars_fragment = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvarying vec3 vClipPosition;\\n\\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\\n#endif\";\n\nvar clipping_planes_pars_vertex = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvarying vec3 vClipPosition;\\n#endif\";\n\nvar clipping_planes_vertex = \"#if NUM_CLIPPING_PLANES > 0\\n\\tvClipPosition = - mvPosition.xyz;\\n#endif\";\n\nvar color_fragment = \"#if defined( USE_COLOR_ALPHA )\\n\\tdiffuseColor *= vColor;\\n#elif defined( USE_COLOR )\\n\\tdiffuseColor.rgb *= vColor;\\n#endif\";\n\nvar color_pars_fragment = \"#if defined( USE_COLOR_ALPHA )\\n\\tvarying vec4 vColor;\\n#elif defined( USE_COLOR )\\n\\tvarying vec3 vColor;\\n#endif\";\n\nvar color_pars_vertex = \"#if defined( USE_COLOR_ALPHA )\\n\\tvarying vec4 vColor;\\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\\n\\tvarying vec3 vColor;\\n#endif\";\n\nvar color_vertex = \"#if defined( USE_COLOR_ALPHA )\\n\\tvColor = vec4( 1.0 );\\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\\n\\tvColor = vec3( 1.0 );\\n#endif\\n#ifdef USE_COLOR\\n\\tvColor *= color;\\n#endif\\n#ifdef USE_INSTANCING_COLOR\\n\\tvColor.xyz *= instanceColor.xyz;\\n#endif\\n#ifdef USE_BATCHING_COLOR\\n\\tvec3 batchingColor = getBatchingColor( getIndirectIndex( gl_DrawID ) );\\n\\tvColor.xyz *= batchingColor.xyz;\\n#endif\";\n\nvar common = \"#define PI 3.141592653589793\\n#define PI2 6.283185307179586\\n#define PI_HALF 1.5707963267948966\\n#define RECIPROCAL_PI 0.3183098861837907\\n#define RECIPROCAL_PI2 0.15915494309189535\\n#define EPSILON 1e-6\\n#ifndef saturate\\n#define saturate( a ) clamp( a, 0.0, 1.0 )\\n#endif\\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\\nfloat pow2( const in float x ) { return x*x; }\\nvec3 pow2( const in vec3 x ) { return x*x; }\\nfloat pow3( const in float x ) { return x*x*x; }\\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\\nfloat average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }\\nhighp float rand( const in vec2 uv ) {\\n\\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\\n\\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\\n\\treturn fract( sin( sn ) * c );\\n}\\n#ifdef HIGH_PRECISION\\n\\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\\n#else\\n\\tfloat precisionSafeLength( vec3 v ) {\\n\\t\\tfloat maxComponent = max3( abs( v ) );\\n\\t\\treturn length( v / maxComponent ) * maxComponent;\\n\\t}\\n#endif\\nstruct IncidentLight {\\n\\tvec3 color;\\n\\tvec3 direction;\\n\\tbool visible;\\n};\\nstruct ReflectedLight {\\n\\tvec3 directDiffuse;\\n\\tvec3 directSpecular;\\n\\tvec3 indirectDiffuse;\\n\\tvec3 indirectSpecular;\\n};\\n#ifdef USE_ALPHAHASH\\n\\tvarying vec3 vPosition;\\n#endif\\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\\n}\\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\\n\\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\\n}\\nmat3 transposeMat3( const in mat3 m ) {\\n\\tmat3 tmp;\\n\\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\\n\\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\\n\\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\\n\\treturn tmp;\\n}\\nbool isPerspectiveMatrix( mat4 m ) {\\n\\treturn m[ 2 ][ 3 ] == - 1.0;\\n}\\nvec2 equirectUv( in vec3 dir ) {\\n\\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\\n\\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\\n\\treturn vec2( u, v );\\n}\\nvec3 BRDF_Lambert( const in vec3 diffuseColor ) {\\n\\treturn RECIPROCAL_PI * diffuseColor;\\n}\\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\\n\\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\\n\\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\\n}\\nfloat F_Schlick( const in float f0, const in float f90, const in float dotVH ) {\\n\\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\\n\\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\\n} // validated\";\n\nvar cube_uv_reflection_fragment = \"#ifdef ENVMAP_TYPE_CUBE_UV\\n\\t#define cubeUV_minMipLevel 4.0\\n\\t#define cubeUV_minTileSize 16.0\\n\\tfloat getFace( vec3 direction ) {\\n\\t\\tvec3 absDirection = abs( direction );\\n\\t\\tfloat face = - 1.0;\\n\\t\\tif ( absDirection.x > absDirection.z ) {\\n\\t\\t\\tif ( absDirection.x > absDirection.y )\\n\\t\\t\\t\\tface = direction.x > 0.0 ? 0.0 : 3.0;\\n\\t\\t\\telse\\n\\t\\t\\t\\tface = direction.y > 0.0 ? 1.0 : 4.0;\\n\\t\\t} else {\\n\\t\\t\\tif ( absDirection.z > absDirection.y )\\n\\t\\t\\t\\tface = direction.z > 0.0 ? 2.0 : 5.0;\\n\\t\\t\\telse\\n\\t\\t\\t\\tface = direction.y > 0.0 ? 1.0 : 4.0;\\n\\t\\t}\\n\\t\\treturn face;\\n\\t}\\n\\tvec2 getUV( vec3 direction, float face ) {\\n\\t\\tvec2 uv;\\n\\t\\tif ( face == 0.0 ) {\\n\\t\\t\\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\\n\\t\\t} else if ( face == 1.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\\n\\t\\t} else if ( face == 2.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\\n\\t\\t} else if ( face == 3.0 ) {\\n\\t\\t\\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\\n\\t\\t} else if ( face == 4.0 ) {\\n\\t\\t\\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\\n\\t\\t} else {\\n\\t\\t\\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\\n\\t\\t}\\n\\t\\treturn 0.5 * ( uv + 1.0 );\\n\\t}\\n\\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\\n\\t\\tfloat face = getFace( direction );\\n\\t\\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\\n\\t\\tmipInt = max( mipInt, cubeUV_minMipLevel );\\n\\t\\tfloat faceSize = exp2( mipInt );\\n\\t\\thighp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\\n\\t\\tif ( face > 2.0 ) {\\n\\t\\t\\tuv.y += faceSize;\\n\\t\\t\\tface -= 3.0;\\n\\t\\t}\\n\\t\\tuv.x += face * faceSize;\\n\\t\\tuv.x += filterInt * 3.0 * cubeUV_minTileSize;\\n\\t\\tuv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\\n\\t\\tuv.x *= CUBEUV_TEXEL_WIDTH;\\n\\t\\tuv.y *= CUBEUV_TEXEL_HEIGHT;\\n\\t\\t#ifdef texture2DGradEXT\\n\\t\\t\\treturn texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\\n\\t\\t#else\\n\\t\\t\\treturn texture2D( envMap, uv ).rgb;\\n\\t\\t#endif\\n\\t}\\n\\t#define cubeUV_r0 1.0\\n\\t#define cubeUV_m0 - 2.0\\n\\t#define cubeUV_r1 0.8\\n\\t#define cubeUV_m1 - 1.0\\n\\t#define cubeUV_r4 0.4\\n\\t#define cubeUV_m4 2.0\\n\\t#define cubeUV_r5 0.305\\n\\t#define cubeUV_m5 3.0\\n\\t#define cubeUV_r6 0.21\\n\\t#define cubeUV_m6 4.0\\n\\tfloat roughnessToMip( float roughness ) {\\n\\t\\tfloat mip = 0.0;\\n\\t\\tif ( roughness >= cubeUV_r1 ) {\\n\\t\\t\\tmip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;\\n\\t\\t} else if ( roughness >= cubeUV_r4 ) {\\n\\t\\t\\tmip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;\\n\\t\\t} else if ( roughness >= cubeUV_r5 ) {\\n\\t\\t\\tmip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;\\n\\t\\t} else if ( roughness >= cubeUV_r6 ) {\\n\\t\\t\\tmip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;\\n\\t\\t} else {\\n\\t\\t\\tmip = - 2.0 * log2( 1.16 * roughness );\\t\\t}\\n\\t\\treturn mip;\\n\\t}\\n\\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\\n\\t\\tfloat mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );\\n\\t\\tfloat mipF = fract( mip );\\n\\t\\tfloat mipInt = floor( mip );\\n\\t\\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\\n\\t\\tif ( mipF == 0.0 ) {\\n\\t\\t\\treturn vec4( color0, 1.0 );\\n\\t\\t} else {\\n\\t\\t\\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\\n\\t\\t\\treturn vec4( mix( color0, color1, mipF ), 1.0 );\\n\\t\\t}\\n\\t}\\n#endif\";\n\nvar defaultnormal_vertex = \"vec3 transformedNormal = objectNormal;\\n#ifdef USE_TANGENT\\n\\tvec3 transformedTangent = objectTangent;\\n#endif\\n#ifdef USE_BATCHING\\n\\tmat3 bm = mat3( batchingMatrix );\\n\\ttransformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) );\\n\\ttransformedNormal = bm * transformedNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\ttransformedTangent = bm * transformedTangent;\\n\\t#endif\\n#endif\\n#ifdef USE_INSTANCING\\n\\tmat3 im = mat3( instanceMatrix );\\n\\ttransformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) );\\n\\ttransformedNormal = im * transformedNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\ttransformedTangent = im * transformedTangent;\\n\\t#endif\\n#endif\\ntransformedNormal = normalMatrix * transformedNormal;\\n#ifdef FLIP_SIDED\\n\\ttransformedNormal = - transformedNormal;\\n#endif\\n#ifdef USE_TANGENT\\n\\ttransformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz;\\n\\t#ifdef FLIP_SIDED\\n\\t\\ttransformedTangent = - transformedTangent;\\n\\t#endif\\n#endif\";\n\nvar displacementmap_pars_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\tuniform sampler2D displacementMap;\\n\\tuniform float displacementScale;\\n\\tuniform float displacementBias;\\n#endif\";\n\nvar displacementmap_vertex = \"#ifdef USE_DISPLACEMENTMAP\\n\\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias );\\n#endif\";\n\nvar emissivemap_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tvec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv );\\n\\t#ifdef DECODE_VIDEO_TEXTURE_EMISSIVE\\n\\t\\temissiveColor = sRGBTransferEOTF( emissiveColor );\\n\\t#endif\\n\\ttotalEmissiveRadiance *= emissiveColor.rgb;\\n#endif\";\n\nvar emissivemap_pars_fragment = \"#ifdef USE_EMISSIVEMAP\\n\\tuniform sampler2D emissiveMap;\\n#endif\";\n\nvar colorspace_fragment = \"gl_FragColor = linearToOutputTexel( gl_FragColor );\";\n\nvar colorspace_pars_fragment = \"vec4 LinearTransferOETF( in vec4 value ) {\\n\\treturn value;\\n}\\nvec4 sRGBTransferEOTF( in vec4 value ) {\\n\\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\\n}\\nvec4 sRGBTransferOETF( in vec4 value ) {\\n\\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\\n}\";\n\nvar envmap_fragment = \"#ifdef USE_ENVMAP\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvec3 cameraToFrag;\\n\\t\\tif ( isOrthographic ) {\\n\\t\\t\\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\\n\\t\\t} else {\\n\\t\\t\\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\\n\\t\\t}\\n\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#else\\n\\t\\tvec3 reflectVec = vReflect;\\n\\t#endif\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tvec4 envColor = textureCube( envMap, envMapRotation * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\\n\\t#else\\n\\t\\tvec4 envColor = vec4( 0.0 );\\n\\t#endif\\n\\t#ifdef ENVMAP_BLENDING_MULTIPLY\\n\\t\\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_MIX )\\n\\t\\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\\n\\t#elif defined( ENVMAP_BLENDING_ADD )\\n\\t\\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\\n\\t#endif\\n#endif\";\n\nvar envmap_common_pars_fragment = \"#ifdef USE_ENVMAP\\n\\tuniform float envMapIntensity;\\n\\tuniform float flipEnvMap;\\n\\tuniform mat3 envMapRotation;\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tuniform samplerCube envMap;\\n\\t#else\\n\\t\\tuniform sampler2D envMap;\\n\\t#endif\\n\\t\\n#endif\";\n\nvar envmap_pars_fragment = \"#ifdef USE_ENVMAP\\n\\tuniform float reflectivity;\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\\n\\t\\t#define ENV_WORLDPOS\\n\\t#endif\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t\\tuniform float refractionRatio;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t#endif\\n#endif\";\n\nvar envmap_pars_vertex = \"#ifdef USE_ENVMAP\\n\\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\\n\\t\\t#define ENV_WORLDPOS\\n\\t#endif\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\t\\n\\t\\tvarying vec3 vWorldPosition;\\n\\t#else\\n\\t\\tvarying vec3 vReflect;\\n\\t\\tuniform float refractionRatio;\\n\\t#endif\\n#endif\";\n\nvar envmap_vertex = \"#ifdef USE_ENVMAP\\n\\t#ifdef ENV_WORLDPOS\\n\\t\\tvWorldPosition = worldPosition.xyz;\\n\\t#else\\n\\t\\tvec3 cameraToVertex;\\n\\t\\tif ( isOrthographic ) {\\n\\t\\t\\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\\n\\t\\t} else {\\n\\t\\t\\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\\n\\t\\t}\\n\\t\\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\t\\t#ifdef ENVMAP_MODE_REFLECTION\\n\\t\\t\\tvReflect = reflect( cameraToVertex, worldNormal );\\n\\t\\t#else\\n\\t\\t\\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\\n\\t\\t#endif\\n\\t#endif\\n#endif\";\n\nvar fog_vertex = \"#ifdef USE_FOG\\n\\tvFogDepth = - mvPosition.z;\\n#endif\";\n\nvar fog_pars_vertex = \"#ifdef USE_FOG\\n\\tvarying float vFogDepth;\\n#endif\";\n\nvar fog_fragment = \"#ifdef USE_FOG\\n\\t#ifdef FOG_EXP2\\n\\t\\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\\n\\t#else\\n\\t\\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\\n\\t#endif\\n\\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\\n#endif\";\n\nvar fog_pars_fragment = \"#ifdef USE_FOG\\n\\tuniform vec3 fogColor;\\n\\tvarying float vFogDepth;\\n\\t#ifdef FOG_EXP2\\n\\t\\tuniform float fogDensity;\\n\\t#else\\n\\t\\tuniform float fogNear;\\n\\t\\tuniform float fogFar;\\n\\t#endif\\n#endif\";\n\nvar gradientmap_pars_fragment = \"#ifdef USE_GRADIENTMAP\\n\\tuniform sampler2D gradientMap;\\n#endif\\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\\n\\tfloat dotNL = dot( normal, lightDirection );\\n\\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\\n\\t#ifdef USE_GRADIENTMAP\\n\\t\\treturn vec3( texture2D( gradientMap, coord ).r );\\n\\t#else\\n\\t\\tvec2 fw = fwidth( coord ) * 0.5;\\n\\t\\treturn mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );\\n\\t#endif\\n}\";\n\nvar lightmap_pars_fragment = \"#ifdef USE_LIGHTMAP\\n\\tuniform sampler2D lightMap;\\n\\tuniform float lightMapIntensity;\\n#endif\";\n\nvar lights_lambert_fragment = \"LambertMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\\nmaterial.specularStrength = specularStrength;\";\n\nvar lights_lambert_pars_fragment = \"varying vec3 vViewPosition;\\nstruct LambertMaterial {\\n\\tvec3 diffuseColor;\\n\\tfloat specularStrength;\\n};\\nvoid RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Lambert\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Lambert\";\n\nvar lights_pars_begin = \"uniform bool receiveShadow;\\nuniform vec3 ambientLightColor;\\n#if defined( USE_LIGHT_PROBES )\\n\\tuniform vec3 lightProbe[ 9 ];\\n#endif\\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\\n\\tfloat x = normal.x, y = normal.y, z = normal.z;\\n\\tvec3 result = shCoefficients[ 0 ] * 0.886227;\\n\\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\\n\\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\\n\\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\\n\\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\\n\\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\\n\\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\\n\\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\\n\\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\\n\\treturn result;\\n}\\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\\n\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\\n\\treturn irradiance;\\n}\\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\\n\\tvec3 irradiance = ambientLightColor;\\n\\treturn irradiance;\\n}\\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\\n\\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\\n\\tif ( cutoffDistance > 0.0 ) {\\n\\t\\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\\n\\t}\\n\\treturn distanceFalloff;\\n}\\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\\n\\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\\n}\\n#if NUM_DIR_LIGHTS > 0\\n\\tstruct DirectionalLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t};\\n\\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\\n\\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) {\\n\\t\\tlight.color = directionalLight.color;\\n\\t\\tlight.direction = directionalLight.direction;\\n\\t\\tlight.visible = true;\\n\\t}\\n#endif\\n#if NUM_POINT_LIGHTS > 0\\n\\tstruct PointLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t};\\n\\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\\n\\tvoid getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) {\\n\\t\\tvec3 lVector = pointLight.position - geometryPosition;\\n\\t\\tlight.direction = normalize( lVector );\\n\\t\\tfloat lightDistance = length( lVector );\\n\\t\\tlight.color = pointLight.color;\\n\\t\\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\\n\\t\\tlight.visible = ( light.color != vec3( 0.0 ) );\\n\\t}\\n#endif\\n#if NUM_SPOT_LIGHTS > 0\\n\\tstruct SpotLight {\\n\\t\\tvec3 position;\\n\\t\\tvec3 direction;\\n\\t\\tvec3 color;\\n\\t\\tfloat distance;\\n\\t\\tfloat decay;\\n\\t\\tfloat coneCos;\\n\\t\\tfloat penumbraCos;\\n\\t};\\n\\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\\n\\tvoid getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) {\\n\\t\\tvec3 lVector = spotLight.position - geometryPosition;\\n\\t\\tlight.direction = normalize( lVector );\\n\\t\\tfloat angleCos = dot( light.direction, spotLight.direction );\\n\\t\\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\\n\\t\\tif ( spotAttenuation > 0.0 ) {\\n\\t\\t\\tfloat lightDistance = length( lVector );\\n\\t\\t\\tlight.color = spotLight.color * spotAttenuation;\\n\\t\\t\\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\\n\\t\\t\\tlight.visible = ( light.color != vec3( 0.0 ) );\\n\\t\\t} else {\\n\\t\\t\\tlight.color = vec3( 0.0 );\\n\\t\\t\\tlight.visible = false;\\n\\t\\t}\\n\\t}\\n#endif\\n#if NUM_RECT_AREA_LIGHTS > 0\\n\\tstruct RectAreaLight {\\n\\t\\tvec3 color;\\n\\t\\tvec3 position;\\n\\t\\tvec3 halfWidth;\\n\\t\\tvec3 halfHeight;\\n\\t};\\n\\tuniform sampler2D ltc_1;\\tuniform sampler2D ltc_2;\\n\\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\\n#endif\\n#if NUM_HEMI_LIGHTS > 0\\n\\tstruct HemisphereLight {\\n\\t\\tvec3 direction;\\n\\t\\tvec3 skyColor;\\n\\t\\tvec3 groundColor;\\n\\t};\\n\\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\\n\\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\\n\\t\\tfloat dotNL = dot( normal, hemiLight.direction );\\n\\t\\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\\n\\t\\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\\n\\t\\treturn irradiance;\\n\\t}\\n#endif\";\n\nvar envmap_physical_pars_fragment = \"#ifdef USE_ENVMAP\\n\\tvec3 getIBLIrradiance( const in vec3 normal ) {\\n\\t\\t#ifdef ENVMAP_TYPE_CUBE_UV\\n\\t\\t\\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * worldNormal, 1.0 );\\n\\t\\t\\treturn PI * envMapColor.rgb * envMapIntensity;\\n\\t\\t#else\\n\\t\\t\\treturn vec3( 0.0 );\\n\\t\\t#endif\\n\\t}\\n\\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\\n\\t\\t#ifdef ENVMAP_TYPE_CUBE_UV\\n\\t\\t\\tvec3 reflectVec = reflect( - viewDir, normal );\\n\\t\\t\\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\\n\\t\\t\\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\\n\\t\\t\\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * reflectVec, roughness );\\n\\t\\t\\treturn envMapColor.rgb * envMapIntensity;\\n\\t\\t#else\\n\\t\\t\\treturn vec3( 0.0 );\\n\\t\\t#endif\\n\\t}\\n\\t#ifdef USE_ANISOTROPY\\n\\t\\tvec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) {\\n\\t\\t\\t#ifdef ENVMAP_TYPE_CUBE_UV\\n\\t\\t\\t\\tvec3 bentNormal = cross( bitangent, viewDir );\\n\\t\\t\\t\\tbentNormal = normalize( cross( bentNormal, bitangent ) );\\n\\t\\t\\t\\tbentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) );\\n\\t\\t\\t\\treturn getIBLRadiance( viewDir, bentNormal, roughness );\\n\\t\\t\\t#else\\n\\t\\t\\t\\treturn vec3( 0.0 );\\n\\t\\t\\t#endif\\n\\t\\t}\\n\\t#endif\\n#endif\";\n\nvar lights_toon_fragment = \"ToonMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\";\n\nvar lights_toon_pars_fragment = \"varying vec3 vViewPosition;\\nstruct ToonMaterial {\\n\\tvec3 diffuseColor;\\n};\\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tvec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color;\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Toon\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Toon\";\n\nvar lights_phong_fragment = \"BlinnPhongMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb;\\nmaterial.specularColor = specular;\\nmaterial.specularShininess = shininess;\\nmaterial.specularStrength = specularStrength;\";\n\nvar lights_phong_pars_fragment = \"varying vec3 vViewPosition;\\nstruct BlinnPhongMaterial {\\n\\tvec3 diffuseColor;\\n\\tvec3 specularColor;\\n\\tfloat specularShininess;\\n\\tfloat specularStrength;\\n};\\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n\\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength;\\n}\\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_BlinnPhong\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_BlinnPhong\";\n\nvar lights_physical_fragment = \"PhysicalMaterial material;\\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\\nvec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) );\\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\\nmaterial.roughness = min( material.roughness, 1.0 );\\n#ifdef IOR\\n\\tmaterial.ior = ior;\\n\\t#ifdef USE_SPECULAR\\n\\t\\tfloat specularIntensityFactor = specularIntensity;\\n\\t\\tvec3 specularColorFactor = specularColor;\\n\\t\\t#ifdef USE_SPECULAR_COLORMAP\\n\\t\\t\\tspecularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb;\\n\\t\\t#endif\\n\\t\\t#ifdef USE_SPECULAR_INTENSITYMAP\\n\\t\\t\\tspecularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a;\\n\\t\\t#endif\\n\\t\\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\\n\\t#else\\n\\t\\tfloat specularIntensityFactor = 1.0;\\n\\t\\tvec3 specularColorFactor = vec3( 1.0 );\\n\\t\\tmaterial.specularF90 = 1.0;\\n\\t#endif\\n\\tmaterial.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\\n#else\\n\\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\\n\\tmaterial.specularF90 = 1.0;\\n#endif\\n#ifdef USE_CLEARCOAT\\n\\tmaterial.clearcoat = clearcoat;\\n\\tmaterial.clearcoatRoughness = clearcoatRoughness;\\n\\tmaterial.clearcoatF0 = vec3( 0.04 );\\n\\tmaterial.clearcoatF90 = 1.0;\\n\\t#ifdef USE_CLEARCOATMAP\\n\\t\\tmaterial.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x;\\n\\t#endif\\n\\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\t\\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y;\\n\\t#endif\\n\\tmaterial.clearcoat = saturate( material.clearcoat );\\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\\n\\tmaterial.clearcoatRoughness += geometryRoughness;\\n\\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\\n#endif\\n#ifdef USE_DISPERSION\\n\\tmaterial.dispersion = dispersion;\\n#endif\\n#ifdef USE_IRIDESCENCE\\n\\tmaterial.iridescence = iridescence;\\n\\tmaterial.iridescenceIOR = iridescenceIOR;\\n\\t#ifdef USE_IRIDESCENCEMAP\\n\\t\\tmaterial.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r;\\n\\t#endif\\n\\t#ifdef USE_IRIDESCENCE_THICKNESSMAP\\n\\t\\tmaterial.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum;\\n\\t#else\\n\\t\\tmaterial.iridescenceThickness = iridescenceThicknessMaximum;\\n\\t#endif\\n#endif\\n#ifdef USE_SHEEN\\n\\tmaterial.sheenColor = sheenColor;\\n\\t#ifdef USE_SHEEN_COLORMAP\\n\\t\\tmaterial.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb;\\n\\t#endif\\n\\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\\n\\t#ifdef USE_SHEEN_ROUGHNESSMAP\\n\\t\\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a;\\n\\t#endif\\n#endif\\n#ifdef USE_ANISOTROPY\\n\\t#ifdef USE_ANISOTROPYMAP\\n\\t\\tmat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x );\\n\\t\\tvec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb;\\n\\t\\tvec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b;\\n\\t#else\\n\\t\\tvec2 anisotropyV = anisotropyVector;\\n\\t#endif\\n\\tmaterial.anisotropy = length( anisotropyV );\\n\\tif( material.anisotropy == 0.0 ) {\\n\\t\\tanisotropyV = vec2( 1.0, 0.0 );\\n\\t} else {\\n\\t\\tanisotropyV /= material.anisotropy;\\n\\t\\tmaterial.anisotropy = saturate( material.anisotropy );\\n\\t}\\n\\tmaterial.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) );\\n\\tmaterial.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y;\\n\\tmaterial.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y;\\n#endif\";\n\nvar lights_physical_pars_fragment = \"struct PhysicalMaterial {\\n\\tvec3 diffuseColor;\\n\\tfloat roughness;\\n\\tvec3 specularColor;\\n\\tfloat specularF90;\\n\\tfloat dispersion;\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat clearcoat;\\n\\t\\tfloat clearcoatRoughness;\\n\\t\\tvec3 clearcoatF0;\\n\\t\\tfloat clearcoatF90;\\n\\t#endif\\n\\t#ifdef USE_IRIDESCENCE\\n\\t\\tfloat iridescence;\\n\\t\\tfloat iridescenceIOR;\\n\\t\\tfloat iridescenceThickness;\\n\\t\\tvec3 iridescenceFresnel;\\n\\t\\tvec3 iridescenceF0;\\n\\t#endif\\n\\t#ifdef USE_SHEEN\\n\\t\\tvec3 sheenColor;\\n\\t\\tfloat sheenRoughness;\\n\\t#endif\\n\\t#ifdef IOR\\n\\t\\tfloat ior;\\n\\t#endif\\n\\t#ifdef USE_TRANSMISSION\\n\\t\\tfloat transmission;\\n\\t\\tfloat transmissionAlpha;\\n\\t\\tfloat thickness;\\n\\t\\tfloat attenuationDistance;\\n\\t\\tvec3 attenuationColor;\\n\\t#endif\\n\\t#ifdef USE_ANISOTROPY\\n\\t\\tfloat anisotropy;\\n\\t\\tfloat alphaT;\\n\\t\\tvec3 anisotropyT;\\n\\t\\tvec3 anisotropyB;\\n\\t#endif\\n};\\nvec3 clearcoatSpecularDirect = vec3( 0.0 );\\nvec3 clearcoatSpecularIndirect = vec3( 0.0 );\\nvec3 sheenSpecularDirect = vec3( 0.0 );\\nvec3 sheenSpecularIndirect = vec3(0.0 );\\nvec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {\\n float x = clamp( 1.0 - dotVH, 0.0, 1.0 );\\n float x2 = x * x;\\n float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\\n return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\\n}\\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\\n\\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\\n\\treturn 0.5 / max( gv + gl, EPSILON );\\n}\\nfloat D_GGX( const in float alpha, const in float dotNH ) {\\n\\tfloat a2 = pow2( alpha );\\n\\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\\n\\treturn RECIPROCAL_PI * a2 / pow2( denom );\\n}\\n#ifdef USE_ANISOTROPY\\n\\tfloat V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) {\\n\\t\\tfloat gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) );\\n\\t\\tfloat gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );\\n\\t\\tfloat v = 0.5 / ( gv + gl );\\n\\t\\treturn saturate(v);\\n\\t}\\n\\tfloat D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {\\n\\t\\tfloat a2 = alphaT * alphaB;\\n\\t\\thighp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );\\n\\t\\thighp float v2 = dot( v, v );\\n\\t\\tfloat w2 = a2 / v2;\\n\\t\\treturn RECIPROCAL_PI * a2 * pow2 ( w2 );\\n\\t}\\n#endif\\n#ifdef USE_CLEARCOAT\\n\\tvec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {\\n\\t\\tvec3 f0 = material.clearcoatF0;\\n\\t\\tfloat f90 = material.clearcoatF90;\\n\\t\\tfloat roughness = material.clearcoatRoughness;\\n\\t\\tfloat alpha = pow2( roughness );\\n\\t\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\t\\tfloat dotNL = saturate( dot( normal, lightDir ) );\\n\\t\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\t\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\t\\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\\n\\t\\tvec3 F = F_Schlick( f0, f90, dotVH );\\n\\t\\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\\n\\t\\tfloat D = D_GGX( alpha, dotNH );\\n\\t\\treturn F * ( V * D );\\n\\t}\\n#endif\\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\\n\\tvec3 f0 = material.specularColor;\\n\\tfloat f90 = material.specularF90;\\n\\tfloat roughness = material.roughness;\\n\\tfloat alpha = pow2( roughness );\\n\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\tfloat dotNL = saturate( dot( normal, lightDir ) );\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\\n\\tvec3 F = F_Schlick( f0, f90, dotVH );\\n\\t#ifdef USE_IRIDESCENCE\\n\\t\\tF = mix( F, material.iridescenceFresnel, material.iridescence );\\n\\t#endif\\n\\t#ifdef USE_ANISOTROPY\\n\\t\\tfloat dotTL = dot( material.anisotropyT, lightDir );\\n\\t\\tfloat dotTV = dot( material.anisotropyT, viewDir );\\n\\t\\tfloat dotTH = dot( material.anisotropyT, halfDir );\\n\\t\\tfloat dotBL = dot( material.anisotropyB, lightDir );\\n\\t\\tfloat dotBV = dot( material.anisotropyB, viewDir );\\n\\t\\tfloat dotBH = dot( material.anisotropyB, halfDir );\\n\\t\\tfloat V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );\\n\\t\\tfloat D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );\\n\\t#else\\n\\t\\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\\n\\t\\tfloat D = D_GGX( alpha, dotNH );\\n\\t#endif\\n\\treturn F * ( V * D );\\n}\\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\\n\\tconst float LUT_SIZE = 64.0;\\n\\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\\n\\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\\n\\tfloat dotNV = saturate( dot( N, V ) );\\n\\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\\n\\tuv = uv * LUT_SCALE + LUT_BIAS;\\n\\treturn uv;\\n}\\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\\n\\tfloat l = length( f );\\n\\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\\n}\\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\\n\\tfloat x = dot( v1, v2 );\\n\\tfloat y = abs( x );\\n\\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\\n\\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\\n\\tfloat v = a / b;\\n\\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\\n\\treturn cross( v1, v2 ) * theta_sintheta;\\n}\\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\\n\\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\\n\\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\\n\\tvec3 lightNormal = cross( v1, v2 );\\n\\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\\n\\tvec3 T1, T2;\\n\\tT1 = normalize( V - N * dot( V, N ) );\\n\\tT2 = - cross( N, T1 );\\n\\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\\n\\tvec3 coords[ 4 ];\\n\\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\\n\\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\\n\\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\\n\\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\\n\\tcoords[ 0 ] = normalize( coords[ 0 ] );\\n\\tcoords[ 1 ] = normalize( coords[ 1 ] );\\n\\tcoords[ 2 ] = normalize( coords[ 2 ] );\\n\\tcoords[ 3 ] = normalize( coords[ 3 ] );\\n\\tvec3 vectorFormFactor = vec3( 0.0 );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\\n\\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\\n\\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\\n\\treturn vec3( result );\\n}\\n#if defined( USE_SHEEN )\\nfloat D_Charlie( float roughness, float dotNH ) {\\n\\tfloat alpha = pow2( roughness );\\n\\tfloat invAlpha = 1.0 / alpha;\\n\\tfloat cos2h = dotNH * dotNH;\\n\\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\\n\\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\\n}\\nfloat V_Neubelt( float dotNV, float dotNL ) {\\n\\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\\n}\\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\\n\\tvec3 halfDir = normalize( lightDir + viewDir );\\n\\tfloat dotNL = saturate( dot( normal, lightDir ) );\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tfloat dotNH = saturate( dot( normal, halfDir ) );\\n\\tfloat D = D_Charlie( sheenRoughness, dotNH );\\n\\tfloat V = V_Neubelt( dotNV, dotNL );\\n\\treturn sheenColor * ( D * V );\\n}\\n#endif\\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tfloat r2 = roughness * roughness;\\n\\tfloat a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\\n\\tfloat b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\\n\\tfloat DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\\n\\treturn saturate( DG * RECIPROCAL_PI );\\n}\\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\\n\\tfloat dotNV = saturate( dot( normal, viewDir ) );\\n\\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\\n\\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\\n\\tvec4 r = roughness * c0 + c1;\\n\\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\\n\\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\\n\\treturn fab;\\n}\\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\\n\\tvec2 fab = DFGApprox( normal, viewDir, roughness );\\n\\treturn specularColor * fab.x + specularF90 * fab.y;\\n}\\n#ifdef USE_IRIDESCENCE\\nvoid computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\\n#else\\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\\n#endif\\n\\tvec2 fab = DFGApprox( normal, viewDir, roughness );\\n\\t#ifdef USE_IRIDESCENCE\\n\\t\\tvec3 Fr = mix( specularColor, iridescenceF0, iridescence );\\n\\t#else\\n\\t\\tvec3 Fr = specularColor;\\n\\t#endif\\n\\tvec3 FssEss = Fr * fab.x + specularF90 * fab.y;\\n\\tfloat Ess = fab.x + fab.y;\\n\\tfloat Ems = 1.0 - Ess;\\n\\tvec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;\\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\\n\\tsingleScatter += FssEss;\\n\\tmultiScatter += Fms * Ems;\\n}\\n#if NUM_RECT_AREA_LIGHTS > 0\\n\\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\t\\tvec3 normal = geometryNormal;\\n\\t\\tvec3 viewDir = geometryViewDir;\\n\\t\\tvec3 position = geometryPosition;\\n\\t\\tvec3 lightPos = rectAreaLight.position;\\n\\t\\tvec3 halfWidth = rectAreaLight.halfWidth;\\n\\t\\tvec3 halfHeight = rectAreaLight.halfHeight;\\n\\t\\tvec3 lightColor = rectAreaLight.color;\\n\\t\\tfloat roughness = material.roughness;\\n\\t\\tvec3 rectCoords[ 4 ];\\n\\t\\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\\t\\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\\n\\t\\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\\n\\t\\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\\n\\t\\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\\n\\t\\tvec4 t1 = texture2D( ltc_1, uv );\\n\\t\\tvec4 t2 = texture2D( ltc_2, uv );\\n\\t\\tmat3 mInv = mat3(\\n\\t\\t\\tvec3( t1.x, 0, t1.y ),\\n\\t\\t\\tvec3( 0, 1, 0 ),\\n\\t\\t\\tvec3( t1.z, 0, t1.w )\\n\\t\\t);\\n\\t\\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\\n\\t\\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\\n\\t\\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\\n\\t}\\n#endif\\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\\n\\tvec3 irradiance = dotNL * directLight.color;\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );\\n\\t\\tvec3 ccIrradiance = dotNLcc * directLight.color;\\n\\t\\tclearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );\\n\\t#endif\\n\\t#ifdef USE_SHEEN\\n\\t\\tsheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );\\n\\t#endif\\n\\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometryViewDir, geometryNormal, material );\\n\\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\\n\\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\\n}\\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tclearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\\n\\t#endif\\n\\t#ifdef USE_SHEEN\\n\\t\\tsheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\\n\\t#endif\\n\\tvec3 singleScattering = vec3( 0.0 );\\n\\tvec3 multiScattering = vec3( 0.0 );\\n\\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\\n\\t#ifdef USE_IRIDESCENCE\\n\\t\\tcomputeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );\\n\\t#else\\n\\t\\tcomputeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\\n\\t#endif\\n\\tvec3 totalScattering = singleScattering + multiScattering;\\n\\tvec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );\\n\\treflectedLight.indirectSpecular += radiance * singleScattering;\\n\\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\\n\\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\\n}\\n#define RE_Direct\\t\\t\\t\\tRE_Direct_Physical\\n#define RE_Direct_RectArea\\t\\tRE_Direct_RectArea_Physical\\n#define RE_IndirectDiffuse\\t\\tRE_IndirectDiffuse_Physical\\n#define RE_IndirectSpecular\\t\\tRE_IndirectSpecular_Physical\\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\\n\\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\\n}\";\n\nvar lights_fragment_begin = \"\\nvec3 geometryPosition = - vViewPosition;\\nvec3 geometryNormal = normal;\\nvec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\\nvec3 geometryClearcoatNormal = vec3( 0.0 );\\n#ifdef USE_CLEARCOAT\\n\\tgeometryClearcoatNormal = clearcoatNormal;\\n#endif\\n#ifdef USE_IRIDESCENCE\\n\\tfloat dotNVi = saturate( dot( normal, geometryViewDir ) );\\n\\tif ( material.iridescenceThickness == 0.0 ) {\\n\\t\\tmaterial.iridescence = 0.0;\\n\\t} else {\\n\\t\\tmaterial.iridescence = saturate( material.iridescence );\\n\\t}\\n\\tif ( material.iridescence > 0.0 ) {\\n\\t\\tmaterial.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\\n\\t\\tmaterial.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\\n\\t}\\n#endif\\nIncidentLight directLight;\\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tPointLight pointLight;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\\n\\tPointLightShadow pointLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\\n\\t\\tpointLight = pointLights[ i ];\\n\\t\\tgetPointLightInfo( pointLight, geometryPosition, directLight );\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\\n\\t\\tpointLightShadow = pointLightShadows[ i ];\\n\\t\\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowIntensity, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tSpotLight spotLight;\\n\\tvec4 spotColor;\\n\\tvec3 spotLightCoord;\\n\\tbool inSpotLightMap;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\\n\\tSpotLightShadow spotLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\\n\\t\\tspotLight = spotLights[ i ];\\n\\t\\tgetSpotLightInfo( spotLight, geometryPosition, directLight );\\n\\t\\t#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\\n\\t\\t#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX\\n\\t\\t#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\\n\\t\\t#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS\\n\\t\\t#else\\n\\t\\t#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\\n\\t\\t#endif\\n\\t\\t#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )\\n\\t\\t\\tspotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;\\n\\t\\t\\tinSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );\\n\\t\\t\\tspotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );\\n\\t\\t\\tdirectLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;\\n\\t\\t#endif\\n\\t\\t#undef SPOT_LIGHT_MAP_INDEX\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\\n\\t\\tspotLightShadow = spotLightShadows[ i ];\\n\\t\\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowIntensity, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\\n\\tDirectionalLight directionalLight;\\n\\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\\n\\tDirectionalLightShadow directionalLightShadow;\\n\\t#endif\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLights[ i ];\\n\\t\\tgetDirectionalLightInfo( directionalLight, directLight );\\n\\t\\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\\n\\t\\tdirectionalLightShadow = directionalLightShadows[ i ];\\n\\t\\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowIntensity, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t\\t#endif\\n\\t\\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\\n\\tRectAreaLight rectAreaLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\\n\\t\\trectAreaLight = rectAreaLights[ i ];\\n\\t\\tRE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\\n#if defined( RE_IndirectDiffuse )\\n\\tvec3 iblIrradiance = vec3( 0.0 );\\n\\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\\n\\t#if defined( USE_LIGHT_PROBES )\\n\\t\\tirradiance += getLightProbeIrradiance( lightProbe, geometryNormal );\\n\\t#endif\\n\\t#if ( NUM_HEMI_LIGHTS > 0 )\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\\n\\t\\t\\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal );\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t#endif\\n#endif\\n#if defined( RE_IndirectSpecular )\\n\\tvec3 radiance = vec3( 0.0 );\\n\\tvec3 clearcoatRadiance = vec3( 0.0 );\\n#endif\";\n\nvar lights_fragment_maps = \"#if defined( RE_IndirectDiffuse )\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\\n\\t\\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\\n\\t\\tirradiance += lightMapIrradiance;\\n\\t#endif\\n\\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\tiblIrradiance += getIBLIrradiance( geometryNormal );\\n\\t#endif\\n#endif\\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\\n\\t#ifdef USE_ANISOTROPY\\n\\t\\tradiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy );\\n\\t#else\\n\\t\\tradiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness );\\n\\t#endif\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tclearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness );\\n\\t#endif\\n#endif\";\n\nvar lights_fragment_end = \"#if defined( RE_IndirectDiffuse )\\n\\tRE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\\n#endif\\n#if defined( RE_IndirectSpecular )\\n\\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\\n#endif\";\n\nvar logdepthbuf_fragment = \"#if defined( USE_LOGDEPTHBUF )\\n\\tgl_FragDepth = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\\n#endif\";\n\nvar logdepthbuf_pars_fragment = \"#if defined( USE_LOGDEPTHBUF )\\n\\tuniform float logDepthBufFC;\\n\\tvarying float vFragDepth;\\n\\tvarying float vIsPerspective;\\n#endif\";\n\nvar logdepthbuf_pars_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\tvarying float vFragDepth;\\n\\tvarying float vIsPerspective;\\n#endif\";\n\nvar logdepthbuf_vertex = \"#ifdef USE_LOGDEPTHBUF\\n\\tvFragDepth = 1.0 + gl_Position.w;\\n\\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\\n#endif\";\n\nvar map_fragment = \"#ifdef USE_MAP\\n\\tvec4 sampledDiffuseColor = texture2D( map, vMapUv );\\n\\t#ifdef DECODE_VIDEO_TEXTURE\\n\\t\\tsampledDiffuseColor = sRGBTransferEOTF( sampledDiffuseColor );\\n\\t#endif\\n\\tdiffuseColor *= sampledDiffuseColor;\\n#endif\";\n\nvar map_pars_fragment = \"#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\";\n\nvar map_particle_fragment = \"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\\n\\t#if defined( USE_POINTS_UV )\\n\\t\\tvec2 uv = vUv;\\n\\t#else\\n\\t\\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\\n\\t#endif\\n#endif\\n#ifdef USE_MAP\\n\\tdiffuseColor *= texture2D( map, uv );\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\\n#endif\";\n\nvar map_particle_pars_fragment = \"#if defined( USE_POINTS_UV )\\n\\tvarying vec2 vUv;\\n#else\\n\\t#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\\n\\t\\tuniform mat3 uvTransform;\\n\\t#endif\\n#endif\\n#ifdef USE_MAP\\n\\tuniform sampler2D map;\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tuniform sampler2D alphaMap;\\n#endif\";\n\nvar metalnessmap_fragment = \"float metalnessFactor = metalness;\\n#ifdef USE_METALNESSMAP\\n\\tvec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv );\\n\\tmetalnessFactor *= texelMetalness.b;\\n#endif\";\n\nvar metalnessmap_pars_fragment = \"#ifdef USE_METALNESSMAP\\n\\tuniform sampler2D metalnessMap;\\n#endif\";\n\nvar morphinstance_vertex = \"#ifdef USE_INSTANCING_MORPH\\n\\tfloat morphTargetInfluences[ MORPHTARGETS_COUNT ];\\n\\tfloat morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r;\\n\\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\\n\\t\\tmorphTargetInfluences[i] = texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r;\\n\\t}\\n#endif\";\n\nvar morphcolor_vertex = \"#if defined( USE_MORPHCOLORS )\\n\\tvColor *= morphTargetBaseInfluence;\\n\\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\\n\\t\\t#if defined( USE_COLOR_ALPHA )\\n\\t\\t\\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\\n\\t\\t#elif defined( USE_COLOR )\\n\\t\\t\\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\\n\\t\\t#endif\\n\\t}\\n#endif\";\n\nvar morphnormal_vertex = \"#ifdef USE_MORPHNORMALS\\n\\tobjectNormal *= morphTargetBaseInfluence;\\n\\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\\n\\t\\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\\n\\t}\\n#endif\";\n\nvar morphtarget_pars_vertex = \"#ifdef USE_MORPHTARGETS\\n\\t#ifndef USE_INSTANCING_MORPH\\n\\t\\tuniform float morphTargetBaseInfluence;\\n\\t\\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\\n\\t#endif\\n\\tuniform sampler2DArray morphTargetsTexture;\\n\\tuniform ivec2 morphTargetsTextureSize;\\n\\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\\n\\t\\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\\n\\t\\tint y = texelIndex / morphTargetsTextureSize.x;\\n\\t\\tint x = texelIndex - y * morphTargetsTextureSize.x;\\n\\t\\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\\n\\t\\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\\n\\t}\\n#endif\";\n\nvar morphtarget_vertex = \"#ifdef USE_MORPHTARGETS\\n\\ttransformed *= morphTargetBaseInfluence;\\n\\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\\n\\t\\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\\n\\t}\\n#endif\";\n\nvar normal_fragment_begin = \"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\\n#ifdef FLAT_SHADED\\n\\tvec3 fdx = dFdx( vViewPosition );\\n\\tvec3 fdy = dFdy( vViewPosition );\\n\\tvec3 normal = normalize( cross( fdx, fdy ) );\\n#else\\n\\tvec3 normal = normalize( vNormal );\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\tnormal *= faceDirection;\\n\\t#endif\\n#endif\\n#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY )\\n\\t#ifdef USE_TANGENT\\n\\t\\tmat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\\n\\t#else\\n\\t\\tmat3 tbn = getTangentFrame( - vViewPosition, normal,\\n\\t\\t#if defined( USE_NORMALMAP )\\n\\t\\t\\tvNormalMapUv\\n\\t\\t#elif defined( USE_CLEARCOAT_NORMALMAP )\\n\\t\\t\\tvClearcoatNormalMapUv\\n\\t\\t#else\\n\\t\\t\\tvUv\\n\\t\\t#endif\\n\\t\\t);\\n\\t#endif\\n\\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\\n\\t\\ttbn[0] *= faceDirection;\\n\\t\\ttbn[1] *= faceDirection;\\n\\t#endif\\n#endif\\n#ifdef USE_CLEARCOAT_NORMALMAP\\n\\t#ifdef USE_TANGENT\\n\\t\\tmat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\\n\\t#else\\n\\t\\tmat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv );\\n\\t#endif\\n\\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\\n\\t\\ttbn2[0] *= faceDirection;\\n\\t\\ttbn2[1] *= faceDirection;\\n\\t#endif\\n#endif\\nvec3 nonPerturbedNormal = normal;\";\n\nvar normal_fragment_maps = \"#ifdef USE_NORMALMAP_OBJECTSPACE\\n\\tnormal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\\n\\t#ifdef FLIP_SIDED\\n\\t\\tnormal = - normal;\\n\\t#endif\\n\\t#ifdef DOUBLE_SIDED\\n\\t\\tnormal = normal * faceDirection;\\n\\t#endif\\n\\tnormal = normalize( normalMatrix * normal );\\n#elif defined( USE_NORMALMAP_TANGENTSPACE )\\n\\tvec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\\n\\tmapN.xy *= normalScale;\\n\\tnormal = normalize( tbn * mapN );\\n#elif defined( USE_BUMPMAP )\\n\\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\\n#endif\";\n\nvar normal_pars_fragment = \"#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\tvarying vec3 vTangent;\\n\\t\\tvarying vec3 vBitangent;\\n\\t#endif\\n#endif\";\n\nvar normal_pars_vertex = \"#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n\\t#ifdef USE_TANGENT\\n\\t\\tvarying vec3 vTangent;\\n\\t\\tvarying vec3 vBitangent;\\n\\t#endif\\n#endif\";\n\nvar normal_vertex = \"#ifndef FLAT_SHADED\\n\\tvNormal = normalize( transformedNormal );\\n\\t#ifdef USE_TANGENT\\n\\t\\tvTangent = normalize( transformedTangent );\\n\\t\\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\\n\\t#endif\\n#endif\";\n\nvar normalmap_pars_fragment = \"#ifdef USE_NORMALMAP\\n\\tuniform sampler2D normalMap;\\n\\tuniform vec2 normalScale;\\n#endif\\n#ifdef USE_NORMALMAP_OBJECTSPACE\\n\\tuniform mat3 normalMatrix;\\n#endif\\n#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) )\\n\\tmat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {\\n\\t\\tvec3 q0 = dFdx( eye_pos.xyz );\\n\\t\\tvec3 q1 = dFdy( eye_pos.xyz );\\n\\t\\tvec2 st0 = dFdx( uv.st );\\n\\t\\tvec2 st1 = dFdy( uv.st );\\n\\t\\tvec3 N = surf_norm;\\n\\t\\tvec3 q1perp = cross( q1, N );\\n\\t\\tvec3 q0perp = cross( N, q0 );\\n\\t\\tvec3 T = q1perp * st0.x + q0perp * st1.x;\\n\\t\\tvec3 B = q1perp * st0.y + q0perp * st1.y;\\n\\t\\tfloat det = max( dot( T, T ), dot( B, B ) );\\n\\t\\tfloat scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det );\\n\\t\\treturn mat3( T * scale, B * scale, N );\\n\\t}\\n#endif\";\n\nvar clearcoat_normal_fragment_begin = \"#ifdef USE_CLEARCOAT\\n\\tvec3 clearcoatNormal = nonPerturbedNormal;\\n#endif\";\n\nvar clearcoat_normal_fragment_maps = \"#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0;\\n\\tclearcoatMapN.xy *= clearcoatNormalScale;\\n\\tclearcoatNormal = normalize( tbn2 * clearcoatMapN );\\n#endif\";\n\nvar clearcoat_pars_fragment = \"#ifdef USE_CLEARCOATMAP\\n\\tuniform sampler2D clearcoatMap;\\n#endif\\n#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tuniform sampler2D clearcoatNormalMap;\\n\\tuniform vec2 clearcoatNormalScale;\\n#endif\\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\tuniform sampler2D clearcoatRoughnessMap;\\n#endif\";\n\nvar iridescence_pars_fragment = \"#ifdef USE_IRIDESCENCEMAP\\n\\tuniform sampler2D iridescenceMap;\\n#endif\\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\\n\\tuniform sampler2D iridescenceThicknessMap;\\n#endif\";\n\nvar opaque_fragment = \"#ifdef OPAQUE\\ndiffuseColor.a = 1.0;\\n#endif\\n#ifdef USE_TRANSMISSION\\ndiffuseColor.a *= material.transmissionAlpha;\\n#endif\\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );\";\n\nvar packing = \"vec3 packNormalToRGB( const in vec3 normal ) {\\n\\treturn normalize( normal ) * 0.5 + 0.5;\\n}\\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\\n\\treturn 2.0 * rgb.xyz - 1.0;\\n}\\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;const float ShiftRight8 = 1. / 256.;\\nconst float Inv255 = 1. / 255.;\\nconst vec4 PackFactors = vec4( 1.0, 256.0, 256.0 * 256.0, 256.0 * 256.0 * 256.0 );\\nconst vec2 UnpackFactors2 = vec2( UnpackDownscale, 1.0 / PackFactors.g );\\nconst vec3 UnpackFactors3 = vec3( UnpackDownscale / PackFactors.rg, 1.0 / PackFactors.b );\\nconst vec4 UnpackFactors4 = vec4( UnpackDownscale / PackFactors.rgb, 1.0 / PackFactors.a );\\nvec4 packDepthToRGBA( const in float v ) {\\n\\tif( v <= 0.0 )\\n\\t\\treturn vec4( 0., 0., 0., 0. );\\n\\tif( v >= 1.0 )\\n\\t\\treturn vec4( 1., 1., 1., 1. );\\n\\tfloat vuf;\\n\\tfloat af = modf( v * PackFactors.a, vuf );\\n\\tfloat bf = modf( vuf * ShiftRight8, vuf );\\n\\tfloat gf = modf( vuf * ShiftRight8, vuf );\\n\\treturn vec4( vuf * Inv255, gf * PackUpscale, bf * PackUpscale, af );\\n}\\nvec3 packDepthToRGB( const in float v ) {\\n\\tif( v <= 0.0 )\\n\\t\\treturn vec3( 0., 0., 0. );\\n\\tif( v >= 1.0 )\\n\\t\\treturn vec3( 1., 1., 1. );\\n\\tfloat vuf;\\n\\tfloat bf = modf( v * PackFactors.b, vuf );\\n\\tfloat gf = modf( vuf * ShiftRight8, vuf );\\n\\treturn vec3( vuf * Inv255, gf * PackUpscale, bf );\\n}\\nvec2 packDepthToRG( const in float v ) {\\n\\tif( v <= 0.0 )\\n\\t\\treturn vec2( 0., 0. );\\n\\tif( v >= 1.0 )\\n\\t\\treturn vec2( 1., 1. );\\n\\tfloat vuf;\\n\\tfloat gf = modf( v * 256., vuf );\\n\\treturn vec2( vuf * Inv255, gf );\\n}\\nfloat unpackRGBAToDepth( const in vec4 v ) {\\n\\treturn dot( v, UnpackFactors4 );\\n}\\nfloat unpackRGBToDepth( const in vec3 v ) {\\n\\treturn dot( v, UnpackFactors3 );\\n}\\nfloat unpackRGToDepth( const in vec2 v ) {\\n\\treturn v.r * UnpackFactors2.r + v.g * UnpackFactors2.g;\\n}\\nvec4 pack2HalfToRGBA( const in vec2 v ) {\\n\\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\\n\\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\\n}\\nvec2 unpackRGBATo2Half( const in vec4 v ) {\\n\\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\\n}\\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\\n\\treturn ( viewZ + near ) / ( near - far );\\n}\\nfloat orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) {\\n\\treturn depth * ( near - far ) - near;\\n}\\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\\n\\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\\n}\\nfloat perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) {\\n\\treturn ( near * far ) / ( ( far - near ) * depth - far );\\n}\";\n\nvar premultiplied_alpha_fragment = \"#ifdef PREMULTIPLIED_ALPHA\\n\\tgl_FragColor.rgb *= gl_FragColor.a;\\n#endif\";\n\nvar project_vertex = \"vec4 mvPosition = vec4( transformed, 1.0 );\\n#ifdef USE_BATCHING\\n\\tmvPosition = batchingMatrix * mvPosition;\\n#endif\\n#ifdef USE_INSTANCING\\n\\tmvPosition = instanceMatrix * mvPosition;\\n#endif\\nmvPosition = modelViewMatrix * mvPosition;\\ngl_Position = projectionMatrix * mvPosition;\";\n\nvar dithering_fragment = \"#ifdef DITHERING\\n\\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\\n#endif\";\n\nvar dithering_pars_fragment = \"#ifdef DITHERING\\n\\tvec3 dithering( vec3 color ) {\\n\\t\\tfloat grid_position = rand( gl_FragCoord.xy );\\n\\t\\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\\n\\t\\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\\n\\t\\treturn color + dither_shift_RGB;\\n\\t}\\n#endif\";\n\nvar roughnessmap_fragment = \"float roughnessFactor = roughness;\\n#ifdef USE_ROUGHNESSMAP\\n\\tvec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv );\\n\\troughnessFactor *= texelRoughness.g;\\n#endif\";\n\nvar roughnessmap_pars_fragment = \"#ifdef USE_ROUGHNESSMAP\\n\\tuniform sampler2D roughnessMap;\\n#endif\";\n\nvar shadowmap_pars_fragment = \"#if NUM_SPOT_LIGHT_COORDS > 0\\n\\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\\n#endif\\n#if NUM_SPOT_LIGHT_MAPS > 0\\n\\tuniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];\\n#endif\\n#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tstruct DirectionalLightShadow {\\n\\t\\t\\tfloat shadowIntensity;\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t\\tstruct SpotLightShadow {\\n\\t\\t\\tfloat shadowIntensity;\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tstruct PointLightShadow {\\n\\t\\t\\tfloat shadowIntensity;\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t\\tfloat shadowCameraNear;\\n\\t\\t\\tfloat shadowCameraFar;\\n\\t\\t};\\n\\t\\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\\n\\t\\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\\n\\t}\\n\\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\\n\\t\\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\\n\\t}\\n\\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\\n\\t\\tfloat occlusion = 1.0;\\n\\t\\tvec2 distribution = texture2DDistribution( shadow, uv );\\n\\t\\tfloat hard_shadow = step( compare , distribution.x );\\n\\t\\tif (hard_shadow != 1.0 ) {\\n\\t\\t\\tfloat distance = compare - distribution.x ;\\n\\t\\t\\tfloat variance = max( 0.00000, distribution.y * distribution.y );\\n\\t\\t\\tfloat softness_probability = variance / (variance + distance * distance );\\t\\t\\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\\t\\t\\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\\n\\t\\t}\\n\\t\\treturn occlusion;\\n\\t}\\n\\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\\n\\t\\tfloat shadow = 1.0;\\n\\t\\tshadowCoord.xyz /= shadowCoord.w;\\n\\t\\tshadowCoord.z += shadowBias;\\n\\t\\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\\n\\t\\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\\n\\t\\tif ( frustumTest ) {\\n\\t\\t#if defined( SHADOWMAP_TYPE_PCF )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx0 = - texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy0 = - texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx1 = + texelSize.x * shadowRadius;\\n\\t\\t\\tfloat dy1 = + texelSize.y * shadowRadius;\\n\\t\\t\\tfloat dx2 = dx0 / 2.0;\\n\\t\\t\\tfloat dy2 = dy0 / 2.0;\\n\\t\\t\\tfloat dx3 = dx1 / 2.0;\\n\\t\\t\\tfloat dy3 = dy1 / 2.0;\\n\\t\\t\\tshadow = (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\\n\\t\\t\\t) * ( 1.0 / 17.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\\n\\t\\t\\tfloat dx = texelSize.x;\\n\\t\\t\\tfloat dy = texelSize.y;\\n\\t\\t\\tvec2 uv = shadowCoord.xy;\\n\\t\\t\\tvec2 f = fract( uv * shadowMapSize + 0.5 );\\n\\t\\t\\tuv -= f * texelSize;\\n\\t\\t\\tshadow = (\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\\n\\t\\t\\t\\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.x ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.x ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.y ) +\\n\\t\\t\\t\\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t f.y ) +\\n\\t\\t\\t\\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t f.x ),\\n\\t\\t\\t\\t\\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\\n\\t\\t\\t\\t\\t\\t f.x ),\\n\\t\\t\\t\\t\\t f.y )\\n\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t#elif defined( SHADOWMAP_TYPE_VSM )\\n\\t\\t\\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#else\\n\\t\\t\\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\\n\\t\\t#endif\\n\\t\\t}\\n\\t\\treturn mix( 1.0, shadow, shadowIntensity );\\n\\t}\\n\\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\\n\\t\\tvec3 absV = abs( v );\\n\\t\\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\\n\\t\\tabsV *= scaleToCube;\\n\\t\\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\\n\\t\\tvec2 planar = v.xy;\\n\\t\\tfloat almostATexel = 1.5 * texelSizeY;\\n\\t\\tfloat almostOne = 1.0 - almostATexel;\\n\\t\\tif ( absV.z >= almostOne ) {\\n\\t\\t\\tif ( v.z > 0.0 )\\n\\t\\t\\t\\tplanar.x = 4.0 - v.x;\\n\\t\\t} else if ( absV.x >= almostOne ) {\\n\\t\\t\\tfloat signX = sign( v.x );\\n\\t\\t\\tplanar.x = v.z * signX + 2.0 * signX;\\n\\t\\t} else if ( absV.y >= almostOne ) {\\n\\t\\t\\tfloat signY = sign( v.y );\\n\\t\\t\\tplanar.x = v.x + 2.0 * signY + 2.0;\\n\\t\\t\\tplanar.y = v.z * signY - 2.0;\\n\\t\\t}\\n\\t\\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\\n\\t}\\n\\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\\n\\t\\tfloat shadow = 1.0;\\n\\t\\tvec3 lightToPosition = shadowCoord.xyz;\\n\\t\\t\\n\\t\\tfloat lightToPositionLength = length( lightToPosition );\\n\\t\\tif ( lightToPositionLength - shadowCameraFar <= 0.0 && lightToPositionLength - shadowCameraNear >= 0.0 ) {\\n\\t\\t\\tfloat dp = ( lightToPositionLength - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\\t\\t\\tdp += shadowBias;\\n\\t\\t\\tvec3 bd3D = normalize( lightToPosition );\\n\\t\\t\\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\\n\\t\\t\\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\\n\\t\\t\\t\\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\\n\\t\\t\\t\\tshadow = (\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\\n\\t\\t\\t\\t\\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\\n\\t\\t\\t\\t) * ( 1.0 / 9.0 );\\n\\t\\t\\t#else\\n\\t\\t\\t\\tshadow = texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\\n\\t\\t\\t#endif\\n\\t\\t}\\n\\t\\treturn mix( 1.0, shadow, shadowIntensity );\\n\\t}\\n#endif\";\n\nvar shadowmap_pars_vertex = \"#if NUM_SPOT_LIGHT_COORDS > 0\\n\\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\\n\\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\\n#endif\\n#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t\\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t\\tstruct DirectionalLightShadow {\\n\\t\\t\\tfloat shadowIntensity;\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\t\\tstruct SpotLightShadow {\\n\\t\\t\\tfloat shadowIntensity;\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t};\\n\\t\\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t\\tstruct PointLightShadow {\\n\\t\\t\\tfloat shadowIntensity;\\n\\t\\t\\tfloat shadowBias;\\n\\t\\t\\tfloat shadowNormalBias;\\n\\t\\t\\tfloat shadowRadius;\\n\\t\\t\\tvec2 shadowMapSize;\\n\\t\\t\\tfloat shadowCameraNear;\\n\\t\\t\\tfloat shadowCameraFar;\\n\\t\\t};\\n\\t\\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\\n\\t#endif\\n#endif\";\n\nvar shadowmap_vertex = \"#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )\\n\\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\\n\\tvec4 shadowWorldPosition;\\n#endif\\n#if defined( USE_SHADOWMAP )\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\\n\\t\\t\\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\\n\\t\\t\\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\t\\t#pragma unroll_loop_start\\n\\t\\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\t\\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\\n\\t\\t\\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\\n\\t\\t}\\n\\t\\t#pragma unroll_loop_end\\n\\t#endif\\n#endif\\n#if NUM_SPOT_LIGHT_COORDS > 0\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {\\n\\t\\tshadowWorldPosition = worldPosition;\\n\\t\\t#if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\\n\\t\\t\\tshadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;\\n\\t\\t#endif\\n\\t\\tvSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;\\n\\t}\\n\\t#pragma unroll_loop_end\\n#endif\";\n\nvar shadowmask_pars_fragment = \"float getShadowMask() {\\n\\tfloat shadow = 1.0;\\n\\t#ifdef USE_SHADOWMAP\\n\\t#if NUM_DIR_LIGHT_SHADOWS > 0\\n\\tDirectionalLightShadow directionalLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tdirectionalLight = directionalLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowIntensity, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_SPOT_LIGHT_SHADOWS > 0\\n\\tSpotLightShadow spotLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tspotLight = spotLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowIntensity, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#if NUM_POINT_LIGHT_SHADOWS > 0\\n\\tPointLightShadow pointLight;\\n\\t#pragma unroll_loop_start\\n\\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\\n\\t\\tpointLight = pointLightShadows[ i ];\\n\\t\\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowIntensity, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\\n\\t}\\n\\t#pragma unroll_loop_end\\n\\t#endif\\n\\t#endif\\n\\treturn shadow;\\n}\";\n\nvar skinbase_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\\n\\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\\n\\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\\n\\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\\n#endif\";\n\nvar skinning_pars_vertex = \"#ifdef USE_SKINNING\\n\\tuniform mat4 bindMatrix;\\n\\tuniform mat4 bindMatrixInverse;\\n\\tuniform highp sampler2D boneTexture;\\n\\tmat4 getBoneMatrix( const in float i ) {\\n\\t\\tint size = textureSize( boneTexture, 0 ).x;\\n\\t\\tint j = int( i ) * 4;\\n\\t\\tint x = j % size;\\n\\t\\tint y = j / size;\\n\\t\\tvec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 );\\n\\t\\tvec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 );\\n\\t\\tvec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 );\\n\\t\\tvec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 );\\n\\t\\treturn mat4( v1, v2, v3, v4 );\\n\\t}\\n#endif\";\n\nvar skinning_vertex = \"#ifdef USE_SKINNING\\n\\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\\n\\tvec4 skinned = vec4( 0.0 );\\n\\tskinned += boneMatX * skinVertex * skinWeight.x;\\n\\tskinned += boneMatY * skinVertex * skinWeight.y;\\n\\tskinned += boneMatZ * skinVertex * skinWeight.z;\\n\\tskinned += boneMatW * skinVertex * skinWeight.w;\\n\\ttransformed = ( bindMatrixInverse * skinned ).xyz;\\n#endif\";\n\nvar skinnormal_vertex = \"#ifdef USE_SKINNING\\n\\tmat4 skinMatrix = mat4( 0.0 );\\n\\tskinMatrix += skinWeight.x * boneMatX;\\n\\tskinMatrix += skinWeight.y * boneMatY;\\n\\tskinMatrix += skinWeight.z * boneMatZ;\\n\\tskinMatrix += skinWeight.w * boneMatW;\\n\\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\\n\\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\\n\\t#ifdef USE_TANGENT\\n\\t\\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\\n\\t#endif\\n#endif\";\n\nvar specularmap_fragment = \"float specularStrength;\\n#ifdef USE_SPECULARMAP\\n\\tvec4 texelSpecular = texture2D( specularMap, vSpecularMapUv );\\n\\tspecularStrength = texelSpecular.r;\\n#else\\n\\tspecularStrength = 1.0;\\n#endif\";\n\nvar specularmap_pars_fragment = \"#ifdef USE_SPECULARMAP\\n\\tuniform sampler2D specularMap;\\n#endif\";\n\nvar tonemapping_fragment = \"#if defined( TONE_MAPPING )\\n\\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\\n#endif\";\n\nvar tonemapping_pars_fragment = \"#ifndef saturate\\n#define saturate( a ) clamp( a, 0.0, 1.0 )\\n#endif\\nuniform float toneMappingExposure;\\nvec3 LinearToneMapping( vec3 color ) {\\n\\treturn saturate( toneMappingExposure * color );\\n}\\nvec3 ReinhardToneMapping( vec3 color ) {\\n\\tcolor *= toneMappingExposure;\\n\\treturn saturate( color / ( vec3( 1.0 ) + color ) );\\n}\\nvec3 CineonToneMapping( vec3 color ) {\\n\\tcolor *= toneMappingExposure;\\n\\tcolor = max( vec3( 0.0 ), color - 0.004 );\\n\\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\\n}\\nvec3 RRTAndODTFit( vec3 v ) {\\n\\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\\n\\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\\n\\treturn a / b;\\n}\\nvec3 ACESFilmicToneMapping( vec3 color ) {\\n\\tconst mat3 ACESInputMat = mat3(\\n\\t\\tvec3( 0.59719, 0.07600, 0.02840 ),\\t\\tvec3( 0.35458, 0.90834, 0.13383 ),\\n\\t\\tvec3( 0.04823, 0.01566, 0.83777 )\\n\\t);\\n\\tconst mat3 ACESOutputMat = mat3(\\n\\t\\tvec3( 1.60475, -0.10208, -0.00327 ),\\t\\tvec3( -0.53108, 1.10813, -0.07276 ),\\n\\t\\tvec3( -0.07367, -0.00605, 1.07602 )\\n\\t);\\n\\tcolor *= toneMappingExposure / 0.6;\\n\\tcolor = ACESInputMat * color;\\n\\tcolor = RRTAndODTFit( color );\\n\\tcolor = ACESOutputMat * color;\\n\\treturn saturate( color );\\n}\\nconst mat3 LINEAR_REC2020_TO_LINEAR_SRGB = mat3(\\n\\tvec3( 1.6605, - 0.1246, - 0.0182 ),\\n\\tvec3( - 0.5876, 1.1329, - 0.1006 ),\\n\\tvec3( - 0.0728, - 0.0083, 1.1187 )\\n);\\nconst mat3 LINEAR_SRGB_TO_LINEAR_REC2020 = mat3(\\n\\tvec3( 0.6274, 0.0691, 0.0164 ),\\n\\tvec3( 0.3293, 0.9195, 0.0880 ),\\n\\tvec3( 0.0433, 0.0113, 0.8956 )\\n);\\nvec3 agxDefaultContrastApprox( vec3 x ) {\\n\\tvec3 x2 = x * x;\\n\\tvec3 x4 = x2 * x2;\\n\\treturn + 15.5 * x4 * x2\\n\\t\\t- 40.14 * x4 * x\\n\\t\\t+ 31.96 * x4\\n\\t\\t- 6.868 * x2 * x\\n\\t\\t+ 0.4298 * x2\\n\\t\\t+ 0.1191 * x\\n\\t\\t- 0.00232;\\n}\\nvec3 AgXToneMapping( vec3 color ) {\\n\\tconst mat3 AgXInsetMatrix = mat3(\\n\\t\\tvec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ),\\n\\t\\tvec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ),\\n\\t\\tvec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 )\\n\\t);\\n\\tconst mat3 AgXOutsetMatrix = mat3(\\n\\t\\tvec3( 1.1271005818144368, - 0.1413297634984383, - 0.14132976349843826 ),\\n\\t\\tvec3( - 0.11060664309660323, 1.157823702216272, - 0.11060664309660294 ),\\n\\t\\tvec3( - 0.016493938717834573, - 0.016493938717834257, 1.2519364065950405 )\\n\\t);\\n\\tconst float AgxMinEv = - 12.47393;\\tconst float AgxMaxEv = 4.026069;\\n\\tcolor *= toneMappingExposure;\\n\\tcolor = LINEAR_SRGB_TO_LINEAR_REC2020 * color;\\n\\tcolor = AgXInsetMatrix * color;\\n\\tcolor = max( color, 1e-10 );\\tcolor = log2( color );\\n\\tcolor = ( color - AgxMinEv ) / ( AgxMaxEv - AgxMinEv );\\n\\tcolor = clamp( color, 0.0, 1.0 );\\n\\tcolor = agxDefaultContrastApprox( color );\\n\\tcolor = AgXOutsetMatrix * color;\\n\\tcolor = pow( max( vec3( 0.0 ), color ), vec3( 2.2 ) );\\n\\tcolor = LINEAR_REC2020_TO_LINEAR_SRGB * color;\\n\\tcolor = clamp( color, 0.0, 1.0 );\\n\\treturn color;\\n}\\nvec3 NeutralToneMapping( vec3 color ) {\\n\\tconst float StartCompression = 0.8 - 0.04;\\n\\tconst float Desaturation = 0.15;\\n\\tcolor *= toneMappingExposure;\\n\\tfloat x = min( color.r, min( color.g, color.b ) );\\n\\tfloat offset = x < 0.08 ? x - 6.25 * x * x : 0.04;\\n\\tcolor -= offset;\\n\\tfloat peak = max( color.r, max( color.g, color.b ) );\\n\\tif ( peak < StartCompression ) return color;\\n\\tfloat d = 1. - StartCompression;\\n\\tfloat newPeak = 1. - d * d / ( peak + d - StartCompression );\\n\\tcolor *= newPeak / peak;\\n\\tfloat g = 1. - 1. / ( Desaturation * ( peak - newPeak ) + 1. );\\n\\treturn mix( color, vec3( newPeak ), g );\\n}\\nvec3 CustomToneMapping( vec3 color ) { return color; }\";\n\nvar transmission_fragment = \"#ifdef USE_TRANSMISSION\\n\\tmaterial.transmission = transmission;\\n\\tmaterial.transmissionAlpha = 1.0;\\n\\tmaterial.thickness = thickness;\\n\\tmaterial.attenuationDistance = attenuationDistance;\\n\\tmaterial.attenuationColor = attenuationColor;\\n\\t#ifdef USE_TRANSMISSIONMAP\\n\\t\\tmaterial.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r;\\n\\t#endif\\n\\t#ifdef USE_THICKNESSMAP\\n\\t\\tmaterial.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g;\\n\\t#endif\\n\\tvec3 pos = vWorldPosition;\\n\\tvec3 v = normalize( cameraPosition - pos );\\n\\tvec3 n = inverseTransformDirection( normal, viewMatrix );\\n\\tvec4 transmitted = getIBLVolumeRefraction(\\n\\t\\tn, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90,\\n\\t\\tpos, modelMatrix, viewMatrix, projectionMatrix, material.dispersion, material.ior, material.thickness,\\n\\t\\tmaterial.attenuationColor, material.attenuationDistance );\\n\\tmaterial.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission );\\n\\ttotalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission );\\n#endif\";\n\nvar transmission_pars_fragment = \"#ifdef USE_TRANSMISSION\\n\\tuniform float transmission;\\n\\tuniform float thickness;\\n\\tuniform float attenuationDistance;\\n\\tuniform vec3 attenuationColor;\\n\\t#ifdef USE_TRANSMISSIONMAP\\n\\t\\tuniform sampler2D transmissionMap;\\n\\t#endif\\n\\t#ifdef USE_THICKNESSMAP\\n\\t\\tuniform sampler2D thicknessMap;\\n\\t#endif\\n\\tuniform vec2 transmissionSamplerSize;\\n\\tuniform sampler2D transmissionSamplerMap;\\n\\tuniform mat4 modelMatrix;\\n\\tuniform mat4 projectionMatrix;\\n\\tvarying vec3 vWorldPosition;\\n\\tfloat w0( float a ) {\\n\\t\\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 );\\n\\t}\\n\\tfloat w1( float a ) {\\n\\t\\treturn ( 1.0 / 6.0 ) * ( a * a * ( 3.0 * a - 6.0 ) + 4.0 );\\n\\t}\\n\\tfloat w2( float a ){\\n\\t\\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 );\\n\\t}\\n\\tfloat w3( float a ) {\\n\\t\\treturn ( 1.0 / 6.0 ) * ( a * a * a );\\n\\t}\\n\\tfloat g0( float a ) {\\n\\t\\treturn w0( a ) + w1( a );\\n\\t}\\n\\tfloat g1( float a ) {\\n\\t\\treturn w2( a ) + w3( a );\\n\\t}\\n\\tfloat h0( float a ) {\\n\\t\\treturn - 1.0 + w1( a ) / ( w0( a ) + w1( a ) );\\n\\t}\\n\\tfloat h1( float a ) {\\n\\t\\treturn 1.0 + w3( a ) / ( w2( a ) + w3( a ) );\\n\\t}\\n\\tvec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) {\\n\\t\\tuv = uv * texelSize.zw + 0.5;\\n\\t\\tvec2 iuv = floor( uv );\\n\\t\\tvec2 fuv = fract( uv );\\n\\t\\tfloat g0x = g0( fuv.x );\\n\\t\\tfloat g1x = g1( fuv.x );\\n\\t\\tfloat h0x = h0( fuv.x );\\n\\t\\tfloat h1x = h1( fuv.x );\\n\\t\\tfloat h0y = h0( fuv.y );\\n\\t\\tfloat h1y = h1( fuv.y );\\n\\t\\tvec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\\n\\t\\tvec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\\n\\t\\tvec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\\n\\t\\tvec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\\n\\t\\treturn g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) +\\n\\t\\t\\tg1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) );\\n\\t}\\n\\tvec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) {\\n\\t\\tvec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) );\\n\\t\\tvec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) );\\n\\t\\tvec2 fLodSizeInv = 1.0 / fLodSize;\\n\\t\\tvec2 cLodSizeInv = 1.0 / cLodSize;\\n\\t\\tvec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) );\\n\\t\\tvec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) );\\n\\t\\treturn mix( fSample, cSample, fract( lod ) );\\n\\t}\\n\\tvec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\\n\\t\\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\\n\\t\\tvec3 modelScale;\\n\\t\\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\\n\\t\\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\\n\\t\\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\\n\\t\\treturn normalize( refractionVector ) * thickness * modelScale;\\n\\t}\\n\\tfloat applyIorToRoughness( const in float roughness, const in float ior ) {\\n\\t\\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\\n\\t}\\n\\tvec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\\n\\t\\tfloat lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\\n\\t\\treturn textureBicubic( transmissionSamplerMap, fragCoord.xy, lod );\\n\\t}\\n\\tvec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\\n\\t\\tif ( isinf( attenuationDistance ) ) {\\n\\t\\t\\treturn vec3( 1.0 );\\n\\t\\t} else {\\n\\t\\t\\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\\n\\t\\t\\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\\t\\t\\treturn transmittance;\\n\\t\\t}\\n\\t}\\n\\tvec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\\n\\t\\tconst in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\\n\\t\\tconst in mat4 viewMatrix, const in mat4 projMatrix, const in float dispersion, const in float ior, const in float thickness,\\n\\t\\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\\n\\t\\tvec4 transmittedLight;\\n\\t\\tvec3 transmittance;\\n\\t\\t#ifdef USE_DISPERSION\\n\\t\\t\\tfloat halfSpread = ( ior - 1.0 ) * 0.025 * dispersion;\\n\\t\\t\\tvec3 iors = vec3( ior - halfSpread, ior, ior + halfSpread );\\n\\t\\t\\tfor ( int i = 0; i < 3; i ++ ) {\\n\\t\\t\\t\\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, iors[ i ], modelMatrix );\\n\\t\\t\\t\\tvec3 refractedRayExit = position + transmissionRay;\\n\\t\\t\\t\\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\\n\\t\\t\\t\\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\\n\\t\\t\\t\\trefractionCoords += 1.0;\\n\\t\\t\\t\\trefractionCoords /= 2.0;\\n\\t\\t\\t\\tvec4 transmissionSample = getTransmissionSample( refractionCoords, roughness, iors[ i ] );\\n\\t\\t\\t\\ttransmittedLight[ i ] = transmissionSample[ i ];\\n\\t\\t\\t\\ttransmittedLight.a += transmissionSample.a;\\n\\t\\t\\t\\ttransmittance[ i ] = diffuseColor[ i ] * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance )[ i ];\\n\\t\\t\\t}\\n\\t\\t\\ttransmittedLight.a /= 3.0;\\n\\t\\t#else\\n\\t\\t\\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\\n\\t\\t\\tvec3 refractedRayExit = position + transmissionRay;\\n\\t\\t\\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\\n\\t\\t\\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\\n\\t\\t\\trefractionCoords += 1.0;\\n\\t\\t\\trefractionCoords /= 2.0;\\n\\t\\t\\ttransmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\\n\\t\\t\\ttransmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );\\n\\t\\t#endif\\n\\t\\tvec3 attenuatedColor = transmittance * transmittedLight.rgb;\\n\\t\\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\\n\\t\\tfloat transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0;\\n\\t\\treturn vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor );\\n\\t}\\n#endif\";\n\nvar uv_pars_fragment = \"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\\n\\tvarying vec2 vUv;\\n#endif\\n#ifdef USE_MAP\\n\\tvarying vec2 vMapUv;\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tvarying vec2 vAlphaMapUv;\\n#endif\\n#ifdef USE_LIGHTMAP\\n\\tvarying vec2 vLightMapUv;\\n#endif\\n#ifdef USE_AOMAP\\n\\tvarying vec2 vAoMapUv;\\n#endif\\n#ifdef USE_BUMPMAP\\n\\tvarying vec2 vBumpMapUv;\\n#endif\\n#ifdef USE_NORMALMAP\\n\\tvarying vec2 vNormalMapUv;\\n#endif\\n#ifdef USE_EMISSIVEMAP\\n\\tvarying vec2 vEmissiveMapUv;\\n#endif\\n#ifdef USE_METALNESSMAP\\n\\tvarying vec2 vMetalnessMapUv;\\n#endif\\n#ifdef USE_ROUGHNESSMAP\\n\\tvarying vec2 vRoughnessMapUv;\\n#endif\\n#ifdef USE_ANISOTROPYMAP\\n\\tvarying vec2 vAnisotropyMapUv;\\n#endif\\n#ifdef USE_CLEARCOATMAP\\n\\tvarying vec2 vClearcoatMapUv;\\n#endif\\n#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tvarying vec2 vClearcoatNormalMapUv;\\n#endif\\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\tvarying vec2 vClearcoatRoughnessMapUv;\\n#endif\\n#ifdef USE_IRIDESCENCEMAP\\n\\tvarying vec2 vIridescenceMapUv;\\n#endif\\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\\n\\tvarying vec2 vIridescenceThicknessMapUv;\\n#endif\\n#ifdef USE_SHEEN_COLORMAP\\n\\tvarying vec2 vSheenColorMapUv;\\n#endif\\n#ifdef USE_SHEEN_ROUGHNESSMAP\\n\\tvarying vec2 vSheenRoughnessMapUv;\\n#endif\\n#ifdef USE_SPECULARMAP\\n\\tvarying vec2 vSpecularMapUv;\\n#endif\\n#ifdef USE_SPECULAR_COLORMAP\\n\\tvarying vec2 vSpecularColorMapUv;\\n#endif\\n#ifdef USE_SPECULAR_INTENSITYMAP\\n\\tvarying vec2 vSpecularIntensityMapUv;\\n#endif\\n#ifdef USE_TRANSMISSIONMAP\\n\\tuniform mat3 transmissionMapTransform;\\n\\tvarying vec2 vTransmissionMapUv;\\n#endif\\n#ifdef USE_THICKNESSMAP\\n\\tuniform mat3 thicknessMapTransform;\\n\\tvarying vec2 vThicknessMapUv;\\n#endif\";\n\nvar uv_pars_vertex = \"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\\n\\tvarying vec2 vUv;\\n#endif\\n#ifdef USE_MAP\\n\\tuniform mat3 mapTransform;\\n\\tvarying vec2 vMapUv;\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tuniform mat3 alphaMapTransform;\\n\\tvarying vec2 vAlphaMapUv;\\n#endif\\n#ifdef USE_LIGHTMAP\\n\\tuniform mat3 lightMapTransform;\\n\\tvarying vec2 vLightMapUv;\\n#endif\\n#ifdef USE_AOMAP\\n\\tuniform mat3 aoMapTransform;\\n\\tvarying vec2 vAoMapUv;\\n#endif\\n#ifdef USE_BUMPMAP\\n\\tuniform mat3 bumpMapTransform;\\n\\tvarying vec2 vBumpMapUv;\\n#endif\\n#ifdef USE_NORMALMAP\\n\\tuniform mat3 normalMapTransform;\\n\\tvarying vec2 vNormalMapUv;\\n#endif\\n#ifdef USE_DISPLACEMENTMAP\\n\\tuniform mat3 displacementMapTransform;\\n\\tvarying vec2 vDisplacementMapUv;\\n#endif\\n#ifdef USE_EMISSIVEMAP\\n\\tuniform mat3 emissiveMapTransform;\\n\\tvarying vec2 vEmissiveMapUv;\\n#endif\\n#ifdef USE_METALNESSMAP\\n\\tuniform mat3 metalnessMapTransform;\\n\\tvarying vec2 vMetalnessMapUv;\\n#endif\\n#ifdef USE_ROUGHNESSMAP\\n\\tuniform mat3 roughnessMapTransform;\\n\\tvarying vec2 vRoughnessMapUv;\\n#endif\\n#ifdef USE_ANISOTROPYMAP\\n\\tuniform mat3 anisotropyMapTransform;\\n\\tvarying vec2 vAnisotropyMapUv;\\n#endif\\n#ifdef USE_CLEARCOATMAP\\n\\tuniform mat3 clearcoatMapTransform;\\n\\tvarying vec2 vClearcoatMapUv;\\n#endif\\n#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tuniform mat3 clearcoatNormalMapTransform;\\n\\tvarying vec2 vClearcoatNormalMapUv;\\n#endif\\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\tuniform mat3 clearcoatRoughnessMapTransform;\\n\\tvarying vec2 vClearcoatRoughnessMapUv;\\n#endif\\n#ifdef USE_SHEEN_COLORMAP\\n\\tuniform mat3 sheenColorMapTransform;\\n\\tvarying vec2 vSheenColorMapUv;\\n#endif\\n#ifdef USE_SHEEN_ROUGHNESSMAP\\n\\tuniform mat3 sheenRoughnessMapTransform;\\n\\tvarying vec2 vSheenRoughnessMapUv;\\n#endif\\n#ifdef USE_IRIDESCENCEMAP\\n\\tuniform mat3 iridescenceMapTransform;\\n\\tvarying vec2 vIridescenceMapUv;\\n#endif\\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\\n\\tuniform mat3 iridescenceThicknessMapTransform;\\n\\tvarying vec2 vIridescenceThicknessMapUv;\\n#endif\\n#ifdef USE_SPECULARMAP\\n\\tuniform mat3 specularMapTransform;\\n\\tvarying vec2 vSpecularMapUv;\\n#endif\\n#ifdef USE_SPECULAR_COLORMAP\\n\\tuniform mat3 specularColorMapTransform;\\n\\tvarying vec2 vSpecularColorMapUv;\\n#endif\\n#ifdef USE_SPECULAR_INTENSITYMAP\\n\\tuniform mat3 specularIntensityMapTransform;\\n\\tvarying vec2 vSpecularIntensityMapUv;\\n#endif\\n#ifdef USE_TRANSMISSIONMAP\\n\\tuniform mat3 transmissionMapTransform;\\n\\tvarying vec2 vTransmissionMapUv;\\n#endif\\n#ifdef USE_THICKNESSMAP\\n\\tuniform mat3 thicknessMapTransform;\\n\\tvarying vec2 vThicknessMapUv;\\n#endif\";\n\nvar uv_vertex = \"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\\n\\tvUv = vec3( uv, 1 ).xy;\\n#endif\\n#ifdef USE_MAP\\n\\tvMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_ALPHAMAP\\n\\tvAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_LIGHTMAP\\n\\tvLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_AOMAP\\n\\tvAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_BUMPMAP\\n\\tvBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_NORMALMAP\\n\\tvNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_DISPLACEMENTMAP\\n\\tvDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_EMISSIVEMAP\\n\\tvEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_METALNESSMAP\\n\\tvMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_ROUGHNESSMAP\\n\\tvRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_ANISOTROPYMAP\\n\\tvAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_CLEARCOATMAP\\n\\tvClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_CLEARCOAT_NORMALMAP\\n\\tvClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\\n\\tvClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_IRIDESCENCEMAP\\n\\tvIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\\n\\tvIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_SHEEN_COLORMAP\\n\\tvSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_SHEEN_ROUGHNESSMAP\\n\\tvSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_SPECULARMAP\\n\\tvSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_SPECULAR_COLORMAP\\n\\tvSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_SPECULAR_INTENSITYMAP\\n\\tvSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_TRANSMISSIONMAP\\n\\tvTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy;\\n#endif\\n#ifdef USE_THICKNESSMAP\\n\\tvThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy;\\n#endif\";\n\nvar worldpos_vertex = \"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0\\n\\tvec4 worldPosition = vec4( transformed, 1.0 );\\n\\t#ifdef USE_BATCHING\\n\\t\\tworldPosition = batchingMatrix * worldPosition;\\n\\t#endif\\n\\t#ifdef USE_INSTANCING\\n\\t\\tworldPosition = instanceMatrix * worldPosition;\\n\\t#endif\\n\\tworldPosition = modelMatrix * worldPosition;\\n#endif\";\n\nconst vertex$h = \"varying vec2 vUv;\\nuniform mat3 uvTransform;\\nvoid main() {\\n\\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\\n\\tgl_Position = vec4( position.xy, 1.0, 1.0 );\\n}\";\n\nconst fragment$h = \"uniform sampler2D t2D;\\nuniform float backgroundIntensity;\\nvarying vec2 vUv;\\nvoid main() {\\n\\tvec4 texColor = texture2D( t2D, vUv );\\n\\t#ifdef DECODE_VIDEO_TEXTURE\\n\\t\\ttexColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w );\\n\\t#endif\\n\\ttexColor.rgb *= backgroundIntensity;\\n\\tgl_FragColor = texColor;\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$g = \"varying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvWorldDirection = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n\\tgl_Position.z = gl_Position.w;\\n}\";\n\nconst fragment$g = \"#ifdef ENVMAP_TYPE_CUBE\\n\\tuniform samplerCube envMap;\\n#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\tuniform sampler2D envMap;\\n#endif\\nuniform float flipEnvMap;\\nuniform float backgroundBlurriness;\\nuniform float backgroundIntensity;\\nuniform mat3 backgroundRotation;\\nvarying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\t#ifdef ENVMAP_TYPE_CUBE\\n\\t\\tvec4 texColor = textureCube( envMap, backgroundRotation * vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) );\\n\\t#elif defined( ENVMAP_TYPE_CUBE_UV )\\n\\t\\tvec4 texColor = textureCubeUV( envMap, backgroundRotation * vWorldDirection, backgroundBlurriness );\\n\\t#else\\n\\t\\tvec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );\\n\\t#endif\\n\\ttexColor.rgb *= backgroundIntensity;\\n\\tgl_FragColor = texColor;\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$f = \"varying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvWorldDirection = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n\\tgl_Position.z = gl_Position.w;\\n}\";\n\nconst fragment$f = \"uniform samplerCube tCube;\\nuniform float tFlip;\\nuniform float opacity;\\nvarying vec3 vWorldDirection;\\nvoid main() {\\n\\tvec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );\\n\\tgl_FragColor = texColor;\\n\\tgl_FragColor.a *= opacity;\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$e = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvarying vec2 vHighPrecisionZW;\\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef USE_DISPLACEMENTMAP\\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvHighPrecisionZW = gl_Position.zw;\\n}\";\n\nconst fragment$e = \"#if DEPTH_PACKING == 3200\\n\\tuniform float opacity;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvarying vec2 vHighPrecisionZW;\\nvoid main() {\\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#include \\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tdiffuseColor.a = opacity;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\\n\\t#if DEPTH_PACKING == 3200\\n\\t\\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\\n\\t#elif DEPTH_PACKING == 3201\\n\\t\\tgl_FragColor = packDepthToRGBA( fragCoordZ );\\n\\t#elif DEPTH_PACKING == 3202\\n\\t\\tgl_FragColor = vec4( packDepthToRGB( fragCoordZ ), 1.0 );\\n\\t#elif DEPTH_PACKING == 3203\\n\\t\\tgl_FragColor = vec4( packDepthToRG( fragCoordZ ), 0.0, 1.0 );\\n\\t#endif\\n}\";\n\nconst vertex$d = \"#define DISTANCE\\nvarying vec3 vWorldPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#ifdef USE_DISPLACEMENTMAP\\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvWorldPosition = worldPosition.xyz;\\n}\";\n\nconst fragment$d = \"#define DISTANCE\\nuniform vec3 referencePosition;\\nuniform float nearDistance;\\nuniform float farDistance;\\nvarying vec3 vWorldPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main () {\\n\\tvec4 diffuseColor = vec4( 1.0 );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tfloat dist = length( vWorldPosition - referencePosition );\\n\\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\\n\\tdist = saturate( dist );\\n\\tgl_FragColor = packDepthToRGBA( dist );\\n}\";\n\nconst vertex$c = \"varying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvWorldDirection = transformDirection( position, modelMatrix );\\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$c = \"uniform sampler2D tEquirect;\\nvarying vec3 vWorldDirection;\\n#include \\nvoid main() {\\n\\tvec3 direction = normalize( vWorldDirection );\\n\\tvec2 sampleUV = equirectUv( direction );\\n\\tgl_FragColor = texture2D( tEquirect, sampleUV );\\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$b = \"uniform float scale;\\nattribute float lineDistance;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvLineDistance = scale * lineDistance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$b = \"uniform vec3 diffuse;\\nuniform float opacity;\\nuniform float dashSize;\\nuniform float totalSize;\\nvarying float vLineDistance;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\\n\\t\\tdiscard;\\n\\t}\\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$a = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t\\t#include \\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$a = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#ifndef FLAT_SHADED\\n\\tvarying vec3 vNormal;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\t#ifdef USE_LIGHTMAP\\n\\t\\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\\n\\t\\treflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\\n\\t#else\\n\\t\\treflectedLight.indirectDiffuse += vec3( 1.0 );\\n\\t#endif\\n\\t#include \\n\\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\\n\\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$9 = \"#define LAMBERT\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$9 = \"#define LAMBERT\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$8 = \"#define MATCAP\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n}\";\n\nconst fragment$8 = \"#define MATCAP\\nuniform vec3 diffuse;\\nuniform float opacity;\\nuniform sampler2D matcap;\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 viewDir = normalize( vViewPosition );\\n\\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\\n\\tvec3 y = cross( viewDir, x );\\n\\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\\n\\t#ifdef USE_MATCAP\\n\\t\\tvec4 matcapColor = texture2D( matcap, uv );\\n\\t#else\\n\\t\\tvec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\\n\\t#endif\\n\\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$7 = \"#define NORMAL\\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\\n\\tvViewPosition = - mvPosition.xyz;\\n#endif\\n}\";\n\nconst fragment$7 = \"#define NORMAL\\nuniform float opacity;\\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\\n\\tvarying vec3 vViewPosition;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( 0.0, 0.0, 0.0, opacity );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tgl_FragColor = vec4( packNormalToRGB( normal ), diffuseColor.a );\\n\\t#ifdef OPAQUE\\n\\t\\tgl_FragColor.a = 1.0;\\n\\t#endif\\n}\";\n\nconst vertex$6 = \"#define PHONG\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$6 = \"#define PHONG\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform vec3 specular;\\nuniform float shininess;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$5 = \"#define STANDARD\\nvarying vec3 vViewPosition;\\n#ifdef USE_TRANSMISSION\\n\\tvarying vec3 vWorldPosition;\\n#endif\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n#ifdef USE_TRANSMISSION\\n\\tvWorldPosition = worldPosition.xyz;\\n#endif\\n}\";\n\nconst fragment$5 = \"#define STANDARD\\n#ifdef PHYSICAL\\n\\t#define IOR\\n\\t#define USE_SPECULAR\\n#endif\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float roughness;\\nuniform float metalness;\\nuniform float opacity;\\n#ifdef IOR\\n\\tuniform float ior;\\n#endif\\n#ifdef USE_SPECULAR\\n\\tuniform float specularIntensity;\\n\\tuniform vec3 specularColor;\\n\\t#ifdef USE_SPECULAR_COLORMAP\\n\\t\\tuniform sampler2D specularColorMap;\\n\\t#endif\\n\\t#ifdef USE_SPECULAR_INTENSITYMAP\\n\\t\\tuniform sampler2D specularIntensityMap;\\n\\t#endif\\n#endif\\n#ifdef USE_CLEARCOAT\\n\\tuniform float clearcoat;\\n\\tuniform float clearcoatRoughness;\\n#endif\\n#ifdef USE_DISPERSION\\n\\tuniform float dispersion;\\n#endif\\n#ifdef USE_IRIDESCENCE\\n\\tuniform float iridescence;\\n\\tuniform float iridescenceIOR;\\n\\tuniform float iridescenceThicknessMinimum;\\n\\tuniform float iridescenceThicknessMaximum;\\n#endif\\n#ifdef USE_SHEEN\\n\\tuniform vec3 sheenColor;\\n\\tuniform float sheenRoughness;\\n\\t#ifdef USE_SHEEN_COLORMAP\\n\\t\\tuniform sampler2D sheenColorMap;\\n\\t#endif\\n\\t#ifdef USE_SHEEN_ROUGHNESSMAP\\n\\t\\tuniform sampler2D sheenRoughnessMap;\\n\\t#endif\\n#endif\\n#ifdef USE_ANISOTROPY\\n\\tuniform vec2 anisotropyVector;\\n\\t#ifdef USE_ANISOTROPYMAP\\n\\t\\tuniform sampler2D anisotropyMap;\\n\\t#endif\\n#endif\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\\n\\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\\n\\t#include \\n\\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\\n\\t#ifdef USE_SHEEN\\n\\t\\tfloat sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor );\\n\\t\\toutgoingLight = outgoingLight * sheenEnergyComp + sheenSpecularDirect + sheenSpecularIndirect;\\n\\t#endif\\n\\t#ifdef USE_CLEARCOAT\\n\\t\\tfloat dotNVcc = saturate( dot( geometryClearcoatNormal, geometryViewDir ) );\\n\\t\\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\\n\\t\\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + ( clearcoatSpecularDirect + clearcoatSpecularIndirect ) * material.clearcoat;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$4 = \"#define TOON\\nvarying vec3 vViewPosition;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvViewPosition = - mvPosition.xyz;\\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$4 = \"#define TOON\\nuniform vec3 diffuse;\\nuniform vec3 emissive;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\\n\\tvec3 totalEmissiveRadiance = emissive;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$3 = \"uniform float size;\\nuniform float scale;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#ifdef USE_POINTS_UV\\n\\tvarying vec2 vUv;\\n\\tuniform mat3 uvTransform;\\n#endif\\nvoid main() {\\n\\t#ifdef USE_POINTS_UV\\n\\t\\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\tgl_PointSize = size;\\n\\t#ifdef USE_SIZEATTENUATION\\n\\t\\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\\n\\t\\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\\n\\t#endif\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$3 = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$2 = \"#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$2 = \"uniform vec3 color;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst vertex$1 = \"uniform float rotation;\\nuniform vec2 center;\\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\t#include \\n\\tvec4 mvPosition = modelViewMatrix[ 3 ];\\n\\tvec2 scale = vec2( length( modelMatrix[ 0 ].xyz ), length( modelMatrix[ 1 ].xyz ) );\\n\\t#ifndef USE_SIZEATTENUATION\\n\\t\\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\\n\\t\\tif ( isPerspective ) scale *= - mvPosition.z;\\n\\t#endif\\n\\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\\n\\tvec2 rotatedPosition;\\n\\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\\n\\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\\n\\tmvPosition.xy += rotatedPosition;\\n\\tgl_Position = projectionMatrix * mvPosition;\\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst fragment$1 = \"uniform vec3 diffuse;\\nuniform float opacity;\\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\n#include \\nvoid main() {\\n\\tvec4 diffuseColor = vec4( diffuse, opacity );\\n\\t#include \\n\\tvec3 outgoingLight = vec3( 0.0 );\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n\\toutgoingLight = diffuseColor.rgb;\\n\\t#include \\n\\t#include \\n\\t#include \\n\\t#include \\n}\";\n\nconst ShaderChunk = {\n\talphahash_fragment: alphahash_fragment,\n\talphahash_pars_fragment: alphahash_pars_fragment,\n\talphamap_fragment: alphamap_fragment,\n\talphamap_pars_fragment: alphamap_pars_fragment,\n\talphatest_fragment: alphatest_fragment,\n\talphatest_pars_fragment: alphatest_pars_fragment,\n\taomap_fragment: aomap_fragment,\n\taomap_pars_fragment: aomap_pars_fragment,\n\tbatching_pars_vertex: batching_pars_vertex,\n\tbatching_vertex: batching_vertex,\n\tbegin_vertex: begin_vertex,\n\tbeginnormal_vertex: beginnormal_vertex,\n\tbsdfs: bsdfs,\n\tiridescence_fragment: iridescence_fragment,\n\tbumpmap_pars_fragment: bumpmap_pars_fragment,\n\tclipping_planes_fragment: clipping_planes_fragment,\n\tclipping_planes_pars_fragment: clipping_planes_pars_fragment,\n\tclipping_planes_pars_vertex: clipping_planes_pars_vertex,\n\tclipping_planes_vertex: clipping_planes_vertex,\n\tcolor_fragment: color_fragment,\n\tcolor_pars_fragment: color_pars_fragment,\n\tcolor_pars_vertex: color_pars_vertex,\n\tcolor_vertex: color_vertex,\n\tcommon: common,\n\tcube_uv_reflection_fragment: cube_uv_reflection_fragment,\n\tdefaultnormal_vertex: defaultnormal_vertex,\n\tdisplacementmap_pars_vertex: displacementmap_pars_vertex,\n\tdisplacementmap_vertex: displacementmap_vertex,\n\temissivemap_fragment: emissivemap_fragment,\n\temissivemap_pars_fragment: emissivemap_pars_fragment,\n\tcolorspace_fragment: colorspace_fragment,\n\tcolorspace_pars_fragment: colorspace_pars_fragment,\n\tenvmap_fragment: envmap_fragment,\n\tenvmap_common_pars_fragment: envmap_common_pars_fragment,\n\tenvmap_pars_fragment: envmap_pars_fragment,\n\tenvmap_pars_vertex: envmap_pars_vertex,\n\tenvmap_physical_pars_fragment: envmap_physical_pars_fragment,\n\tenvmap_vertex: envmap_vertex,\n\tfog_vertex: fog_vertex,\n\tfog_pars_vertex: fog_pars_vertex,\n\tfog_fragment: fog_fragment,\n\tfog_pars_fragment: fog_pars_fragment,\n\tgradientmap_pars_fragment: gradientmap_pars_fragment,\n\tlightmap_pars_fragment: lightmap_pars_fragment,\n\tlights_lambert_fragment: lights_lambert_fragment,\n\tlights_lambert_pars_fragment: lights_lambert_pars_fragment,\n\tlights_pars_begin: lights_pars_begin,\n\tlights_toon_fragment: lights_toon_fragment,\n\tlights_toon_pars_fragment: lights_toon_pars_fragment,\n\tlights_phong_fragment: lights_phong_fragment,\n\tlights_phong_pars_fragment: lights_phong_pars_fragment,\n\tlights_physical_fragment: lights_physical_fragment,\n\tlights_physical_pars_fragment: lights_physical_pars_fragment,\n\tlights_fragment_begin: lights_fragment_begin,\n\tlights_fragment_maps: lights_fragment_maps,\n\tlights_fragment_end: lights_fragment_end,\n\tlogdepthbuf_fragment: logdepthbuf_fragment,\n\tlogdepthbuf_pars_fragment: logdepthbuf_pars_fragment,\n\tlogdepthbuf_pars_vertex: logdepthbuf_pars_vertex,\n\tlogdepthbuf_vertex: logdepthbuf_vertex,\n\tmap_fragment: map_fragment,\n\tmap_pars_fragment: map_pars_fragment,\n\tmap_particle_fragment: map_particle_fragment,\n\tmap_particle_pars_fragment: map_particle_pars_fragment,\n\tmetalnessmap_fragment: metalnessmap_fragment,\n\tmetalnessmap_pars_fragment: metalnessmap_pars_fragment,\n\tmorphinstance_vertex: morphinstance_vertex,\n\tmorphcolor_vertex: morphcolor_vertex,\n\tmorphnormal_vertex: morphnormal_vertex,\n\tmorphtarget_pars_vertex: morphtarget_pars_vertex,\n\tmorphtarget_vertex: morphtarget_vertex,\n\tnormal_fragment_begin: normal_fragment_begin,\n\tnormal_fragment_maps: normal_fragment_maps,\n\tnormal_pars_fragment: normal_pars_fragment,\n\tnormal_pars_vertex: normal_pars_vertex,\n\tnormal_vertex: normal_vertex,\n\tnormalmap_pars_fragment: normalmap_pars_fragment,\n\tclearcoat_normal_fragment_begin: clearcoat_normal_fragment_begin,\n\tclearcoat_normal_fragment_maps: clearcoat_normal_fragment_maps,\n\tclearcoat_pars_fragment: clearcoat_pars_fragment,\n\tiridescence_pars_fragment: iridescence_pars_fragment,\n\topaque_fragment: opaque_fragment,\n\tpacking: packing,\n\tpremultiplied_alpha_fragment: premultiplied_alpha_fragment,\n\tproject_vertex: project_vertex,\n\tdithering_fragment: dithering_fragment,\n\tdithering_pars_fragment: dithering_pars_fragment,\n\troughnessmap_fragment: roughnessmap_fragment,\n\troughnessmap_pars_fragment: roughnessmap_pars_fragment,\n\tshadowmap_pars_fragment: shadowmap_pars_fragment,\n\tshadowmap_pars_vertex: shadowmap_pars_vertex,\n\tshadowmap_vertex: shadowmap_vertex,\n\tshadowmask_pars_fragment: shadowmask_pars_fragment,\n\tskinbase_vertex: skinbase_vertex,\n\tskinning_pars_vertex: skinning_pars_vertex,\n\tskinning_vertex: skinning_vertex,\n\tskinnormal_vertex: skinnormal_vertex,\n\tspecularmap_fragment: specularmap_fragment,\n\tspecularmap_pars_fragment: specularmap_pars_fragment,\n\ttonemapping_fragment: tonemapping_fragment,\n\ttonemapping_pars_fragment: tonemapping_pars_fragment,\n\ttransmission_fragment: transmission_fragment,\n\ttransmission_pars_fragment: transmission_pars_fragment,\n\tuv_pars_fragment: uv_pars_fragment,\n\tuv_pars_vertex: uv_pars_vertex,\n\tuv_vertex: uv_vertex,\n\tworldpos_vertex: worldpos_vertex,\n\n\tbackground_vert: vertex$h,\n\tbackground_frag: fragment$h,\n\tbackgroundCube_vert: vertex$g,\n\tbackgroundCube_frag: fragment$g,\n\tcube_vert: vertex$f,\n\tcube_frag: fragment$f,\n\tdepth_vert: vertex$e,\n\tdepth_frag: fragment$e,\n\tdistanceRGBA_vert: vertex$d,\n\tdistanceRGBA_frag: fragment$d,\n\tequirect_vert: vertex$c,\n\tequirect_frag: fragment$c,\n\tlinedashed_vert: vertex$b,\n\tlinedashed_frag: fragment$b,\n\tmeshbasic_vert: vertex$a,\n\tmeshbasic_frag: fragment$a,\n\tmeshlambert_vert: vertex$9,\n\tmeshlambert_frag: fragment$9,\n\tmeshmatcap_vert: vertex$8,\n\tmeshmatcap_frag: fragment$8,\n\tmeshnormal_vert: vertex$7,\n\tmeshnormal_frag: fragment$7,\n\tmeshphong_vert: vertex$6,\n\tmeshphong_frag: fragment$6,\n\tmeshphysical_vert: vertex$5,\n\tmeshphysical_frag: fragment$5,\n\tmeshtoon_vert: vertex$4,\n\tmeshtoon_frag: fragment$4,\n\tpoints_vert: vertex$3,\n\tpoints_frag: fragment$3,\n\tshadow_vert: vertex$2,\n\tshadow_frag: fragment$2,\n\tsprite_vert: vertex$1,\n\tsprite_frag: fragment$1\n};\n\n/**\n * Uniforms library for shared webgl shaders\n */\n\nconst UniformsLib = {\n\n\tcommon: {\n\n\t\tdiffuse: { value: /*@__PURE__*/ new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\n\t\tmap: { value: null },\n\t\tmapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\n\t\talphaMap: { value: null },\n\t\talphaMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\n\t\talphaTest: { value: 0 }\n\n\t},\n\n\tspecularmap: {\n\n\t\tspecularMap: { value: null },\n\t\tspecularMapTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\tenvmap: {\n\n\t\tenvMap: { value: null },\n\t\tenvMapRotation: { value: /*@__PURE__*/ new Matrix3() },\n\t\tflipEnvMap: { value: - 1 },\n\t\treflectivity: { value: 1.0 }, // basic, lambert, phong\n\t\tior: { value: 1.5 }, // physical\n\t\trefractionRatio: { value: 0.98 }, // basic, lambert, phong\n\n\t},\n\n\taomap: {\n\n\t\taoMap: { value: null },\n\t\taoMapIntensity: { value: 1 },\n\t\taoMapTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\tlightmap: {\n\n\t\tlightMap: { value: null },\n\t\tlightMapIntensity: { value: 1 },\n\t\tlightMapTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\tbumpmap: {\n\n\t\tbumpMap: { value: null },\n\t\tbumpMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\tbumpScale: { value: 1 }\n\n\t},\n\n\tnormalmap: {\n\n\t\tnormalMap: { value: null },\n\t\tnormalMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\tnormalScale: { value: /*@__PURE__*/ new Vector2( 1, 1 ) }\n\n\t},\n\n\tdisplacementmap: {\n\n\t\tdisplacementMap: { value: null },\n\t\tdisplacementMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\tdisplacementScale: { value: 1 },\n\t\tdisplacementBias: { value: 0 }\n\n\t},\n\n\temissivemap: {\n\n\t\temissiveMap: { value: null },\n\t\temissiveMapTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\tmetalnessmap: {\n\n\t\tmetalnessMap: { value: null },\n\t\tmetalnessMapTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\troughnessmap: {\n\n\t\troughnessMap: { value: null },\n\t\troughnessMapTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\tgradientmap: {\n\n\t\tgradientMap: { value: null }\n\n\t},\n\n\tfog: {\n\n\t\tfogDensity: { value: 0.00025 },\n\t\tfogNear: { value: 1 },\n\t\tfogFar: { value: 2000 },\n\t\tfogColor: { value: /*@__PURE__*/ new Color( 0xffffff ) }\n\n\t},\n\n\tlights: {\n\n\t\tambientLightColor: { value: [] },\n\n\t\tlightProbe: { value: [] },\n\n\t\tdirectionalLights: { value: [], properties: {\n\t\t\tdirection: {},\n\t\t\tcolor: {}\n\t\t} },\n\n\t\tdirectionalLightShadows: { value: [], properties: {\n\t\t\tshadowIntensity: 1,\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {}\n\t\t} },\n\n\t\tdirectionalShadowMap: { value: [] },\n\t\tdirectionalShadowMatrix: { value: [] },\n\n\t\tspotLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\tdirection: {},\n\t\t\tdistance: {},\n\t\t\tconeCos: {},\n\t\t\tpenumbraCos: {},\n\t\t\tdecay: {}\n\t\t} },\n\n\t\tspotLightShadows: { value: [], properties: {\n\t\t\tshadowIntensity: 1,\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {}\n\t\t} },\n\n\t\tspotLightMap: { value: [] },\n\t\tspotShadowMap: { value: [] },\n\t\tspotLightMatrix: { value: [] },\n\n\t\tpointLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\tdecay: {},\n\t\t\tdistance: {}\n\t\t} },\n\n\t\tpointLightShadows: { value: [], properties: {\n\t\t\tshadowIntensity: 1,\n\t\t\tshadowBias: {},\n\t\t\tshadowNormalBias: {},\n\t\t\tshadowRadius: {},\n\t\t\tshadowMapSize: {},\n\t\t\tshadowCameraNear: {},\n\t\t\tshadowCameraFar: {}\n\t\t} },\n\n\t\tpointShadowMap: { value: [] },\n\t\tpointShadowMatrix: { value: [] },\n\n\t\themisphereLights: { value: [], properties: {\n\t\t\tdirection: {},\n\t\t\tskyColor: {},\n\t\t\tgroundColor: {}\n\t\t} },\n\n\t\t// TODO (abelnation): RectAreaLight BRDF data needs to be moved from example to main src\n\t\trectAreaLights: { value: [], properties: {\n\t\t\tcolor: {},\n\t\t\tposition: {},\n\t\t\twidth: {},\n\t\t\theight: {}\n\t\t} },\n\n\t\tltc_1: { value: null },\n\t\tltc_2: { value: null }\n\n\t},\n\n\tpoints: {\n\n\t\tdiffuse: { value: /*@__PURE__*/ new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\t\tsize: { value: 1.0 },\n\t\tscale: { value: 1.0 },\n\t\tmap: { value: null },\n\t\talphaMap: { value: null },\n\t\talphaMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\talphaTest: { value: 0 },\n\t\tuvTransform: { value: /*@__PURE__*/ new Matrix3() }\n\n\t},\n\n\tsprite: {\n\n\t\tdiffuse: { value: /*@__PURE__*/ new Color( 0xffffff ) },\n\t\topacity: { value: 1.0 },\n\t\tcenter: { value: /*@__PURE__*/ new Vector2( 0.5, 0.5 ) },\n\t\trotation: { value: 0.0 },\n\t\tmap: { value: null },\n\t\tmapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\talphaMap: { value: null },\n\t\talphaMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\talphaTest: { value: 0 }\n\n\t}\n\n};\n\nconst ShaderLib = {\n\n\tbasic: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshbasic_vert,\n\t\tfragmentShader: ShaderChunk.meshbasic_frag\n\n\t},\n\n\tlambert: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: /*@__PURE__*/ new Color( 0x000000 ) }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshlambert_vert,\n\t\tfragmentShader: ShaderChunk.meshlambert_frag\n\n\t},\n\n\tphong: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.specularmap,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: /*@__PURE__*/ new Color( 0x000000 ) },\n\t\t\t\tspecular: { value: /*@__PURE__*/ new Color( 0x111111 ) },\n\t\t\t\tshininess: { value: 30 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphong_vert,\n\t\tfragmentShader: ShaderChunk.meshphong_frag\n\n\t},\n\n\tstandard: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.envmap,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.roughnessmap,\n\t\t\tUniformsLib.metalnessmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: /*@__PURE__*/ new Color( 0x000000 ) },\n\t\t\t\troughness: { value: 1.0 },\n\t\t\t\tmetalness: { value: 0.0 },\n\t\t\t\tenvMapIntensity: { value: 1 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshphysical_vert,\n\t\tfragmentShader: ShaderChunk.meshphysical_frag\n\n\t},\n\n\ttoon: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.aomap,\n\t\t\tUniformsLib.lightmap,\n\t\t\tUniformsLib.emissivemap,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.gradientmap,\n\t\t\tUniformsLib.fog,\n\t\t\tUniformsLib.lights,\n\t\t\t{\n\t\t\t\temissive: { value: /*@__PURE__*/ new Color( 0x000000 ) }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshtoon_vert,\n\t\tfragmentShader: ShaderChunk.meshtoon_frag\n\n\t},\n\n\tmatcap: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tmatcap: { value: null }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshmatcap_vert,\n\t\tfragmentShader: ShaderChunk.meshmatcap_frag\n\n\t},\n\n\tpoints: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.points,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.points_vert,\n\t\tfragmentShader: ShaderChunk.points_frag\n\n\t},\n\n\tdashed: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tscale: { value: 1 },\n\t\t\t\tdashSize: { value: 1 },\n\t\t\t\ttotalSize: { value: 2 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.linedashed_vert,\n\t\tfragmentShader: ShaderChunk.linedashed_frag\n\n\t},\n\n\tdepth: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.displacementmap\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.depth_vert,\n\t\tfragmentShader: ShaderChunk.depth_frag\n\n\t},\n\n\tnormal: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.bumpmap,\n\t\t\tUniformsLib.normalmap,\n\t\t\tUniformsLib.displacementmap,\n\t\t\t{\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.meshnormal_vert,\n\t\tfragmentShader: ShaderChunk.meshnormal_frag\n\n\t},\n\n\tsprite: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.sprite,\n\t\t\tUniformsLib.fog\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.sprite_vert,\n\t\tfragmentShader: ShaderChunk.sprite_frag\n\n\t},\n\n\tbackground: {\n\n\t\tuniforms: {\n\t\t\tuvTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tt2D: { value: null },\n\t\t\tbackgroundIntensity: { value: 1 }\n\t\t},\n\n\t\tvertexShader: ShaderChunk.background_vert,\n\t\tfragmentShader: ShaderChunk.background_frag\n\n\t},\n\n\tbackgroundCube: {\n\n\t\tuniforms: {\n\t\t\tenvMap: { value: null },\n\t\t\tflipEnvMap: { value: - 1 },\n\t\t\tbackgroundBlurriness: { value: 0 },\n\t\t\tbackgroundIntensity: { value: 1 },\n\t\t\tbackgroundRotation: { value: /*@__PURE__*/ new Matrix3() }\n\t\t},\n\n\t\tvertexShader: ShaderChunk.backgroundCube_vert,\n\t\tfragmentShader: ShaderChunk.backgroundCube_frag\n\n\t},\n\n\tcube: {\n\n\t\tuniforms: {\n\t\t\ttCube: { value: null },\n\t\t\ttFlip: { value: - 1 },\n\t\t\topacity: { value: 1.0 }\n\t\t},\n\n\t\tvertexShader: ShaderChunk.cube_vert,\n\t\tfragmentShader: ShaderChunk.cube_frag\n\n\t},\n\n\tequirect: {\n\n\t\tuniforms: {\n\t\t\ttEquirect: { value: null },\n\t\t},\n\n\t\tvertexShader: ShaderChunk.equirect_vert,\n\t\tfragmentShader: ShaderChunk.equirect_frag\n\n\t},\n\n\tdistanceRGBA: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.common,\n\t\t\tUniformsLib.displacementmap,\n\t\t\t{\n\t\t\t\treferencePosition: { value: /*@__PURE__*/ new Vector3() },\n\t\t\t\tnearDistance: { value: 1 },\n\t\t\t\tfarDistance: { value: 1000 }\n\t\t\t}\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.distanceRGBA_vert,\n\t\tfragmentShader: ShaderChunk.distanceRGBA_frag\n\n\t},\n\n\tshadow: {\n\n\t\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\t\tUniformsLib.lights,\n\t\t\tUniformsLib.fog,\n\t\t\t{\n\t\t\t\tcolor: { value: /*@__PURE__*/ new Color( 0x00000 ) },\n\t\t\t\topacity: { value: 1.0 }\n\t\t\t},\n\t\t] ),\n\n\t\tvertexShader: ShaderChunk.shadow_vert,\n\t\tfragmentShader: ShaderChunk.shadow_frag\n\n\t}\n\n};\n\nShaderLib.physical = {\n\n\tuniforms: /*@__PURE__*/ mergeUniforms( [\n\t\tShaderLib.standard.uniforms,\n\t\t{\n\t\t\tclearcoat: { value: 0 },\n\t\t\tclearcoatMap: { value: null },\n\t\t\tclearcoatMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tclearcoatNormalMap: { value: null },\n\t\t\tclearcoatNormalMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tclearcoatNormalScale: { value: /*@__PURE__*/ new Vector2( 1, 1 ) },\n\t\t\tclearcoatRoughness: { value: 0 },\n\t\t\tclearcoatRoughnessMap: { value: null },\n\t\t\tclearcoatRoughnessMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tdispersion: { value: 0 },\n\t\t\tiridescence: { value: 0 },\n\t\t\tiridescenceMap: { value: null },\n\t\t\tiridescenceMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tiridescenceIOR: { value: 1.3 },\n\t\t\tiridescenceThicknessMinimum: { value: 100 },\n\t\t\tiridescenceThicknessMaximum: { value: 400 },\n\t\t\tiridescenceThicknessMap: { value: null },\n\t\t\tiridescenceThicknessMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tsheen: { value: 0 },\n\t\t\tsheenColor: { value: /*@__PURE__*/ new Color( 0x000000 ) },\n\t\t\tsheenColorMap: { value: null },\n\t\t\tsheenColorMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tsheenRoughness: { value: 1 },\n\t\t\tsheenRoughnessMap: { value: null },\n\t\t\tsheenRoughnessMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\ttransmission: { value: 0 },\n\t\t\ttransmissionMap: { value: null },\n\t\t\ttransmissionMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\ttransmissionSamplerSize: { value: /*@__PURE__*/ new Vector2() },\n\t\t\ttransmissionSamplerMap: { value: null },\n\t\t\tthickness: { value: 0 },\n\t\t\tthicknessMap: { value: null },\n\t\t\tthicknessMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tattenuationDistance: { value: 0 },\n\t\t\tattenuationColor: { value: /*@__PURE__*/ new Color( 0x000000 ) },\n\t\t\tspecularColor: { value: /*@__PURE__*/ new Color( 1, 1, 1 ) },\n\t\t\tspecularColorMap: { value: null },\n\t\t\tspecularColorMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tspecularIntensity: { value: 1 },\n\t\t\tspecularIntensityMap: { value: null },\n\t\t\tspecularIntensityMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t\tanisotropyVector: { value: /*@__PURE__*/ new Vector2() },\n\t\t\tanisotropyMap: { value: null },\n\t\t\tanisotropyMapTransform: { value: /*@__PURE__*/ new Matrix3() },\n\t\t}\n\t] ),\n\n\tvertexShader: ShaderChunk.meshphysical_vert,\n\tfragmentShader: ShaderChunk.meshphysical_frag\n\n};\n\nconst _rgb = { r: 0, b: 0, g: 0 };\nconst _e1$1 = /*@__PURE__*/ new Euler();\nconst _m1$1 = /*@__PURE__*/ new Matrix4();\n\nfunction WebGLBackground( renderer, cubemaps, cubeuvmaps, state, objects, alpha, premultipliedAlpha ) {\n\n\tconst clearColor = new Color( 0x000000 );\n\tlet clearAlpha = alpha === true ? 0 : 1;\n\n\tlet planeMesh;\n\tlet boxMesh;\n\n\tlet currentBackground = null;\n\tlet currentBackgroundVersion = 0;\n\tlet currentTonemapping = null;\n\n\tfunction getBackground( scene ) {\n\n\t\tlet background = scene.isScene === true ? scene.background : null;\n\n\t\tif ( background && background.isTexture ) {\n\n\t\t\tconst usePMREM = scene.backgroundBlurriness > 0; // use PMREM if the user wants to blur the background\n\t\t\tbackground = ( usePMREM ? cubeuvmaps : cubemaps ).get( background );\n\n\t\t}\n\n\t\treturn background;\n\n\t}\n\n\tfunction render( scene ) {\n\n\t\tlet forceClear = false;\n\t\tconst background = getBackground( scene );\n\n\t\tif ( background === null ) {\n\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t} else if ( background && background.isColor ) {\n\n\t\t\tsetClear( background, 1 );\n\t\t\tforceClear = true;\n\n\t\t}\n\n\t\tconst environmentBlendMode = renderer.xr.getEnvironmentBlendMode();\n\n\t\tif ( environmentBlendMode === 'additive' ) {\n\n\t\t\tstate.buffers.color.setClear( 0, 0, 0, 1, premultipliedAlpha );\n\n\t\t} else if ( environmentBlendMode === 'alpha-blend' ) {\n\n\t\t\tstate.buffers.color.setClear( 0, 0, 0, 0, premultipliedAlpha );\n\n\t\t}\n\n\t\tif ( renderer.autoClear || forceClear ) {\n\n\t\t\t// buffers might not be writable which is required to ensure a correct clear\n\n\t\t\tstate.buffers.depth.setTest( true );\n\t\t\tstate.buffers.depth.setMask( true );\n\t\t\tstate.buffers.color.setMask( true );\n\n\t\t\trenderer.clear( renderer.autoClearColor, renderer.autoClearDepth, renderer.autoClearStencil );\n\n\t\t}\n\n\t}\n\n\tfunction addToRenderList( renderList, scene ) {\n\n\t\tconst background = getBackground( scene );\n\n\t\tif ( background && ( background.isCubeTexture || background.mapping === CubeUVReflectionMapping ) ) {\n\n\t\t\tif ( boxMesh === undefined ) {\n\n\t\t\t\tboxMesh = new Mesh(\n\t\t\t\t\tnew BoxGeometry( 1, 1, 1 ),\n\t\t\t\t\tnew ShaderMaterial( {\n\t\t\t\t\t\tname: 'BackgroundCubeMaterial',\n\t\t\t\t\t\tuniforms: cloneUniforms( ShaderLib.backgroundCube.uniforms ),\n\t\t\t\t\t\tvertexShader: ShaderLib.backgroundCube.vertexShader,\n\t\t\t\t\t\tfragmentShader: ShaderLib.backgroundCube.fragmentShader,\n\t\t\t\t\t\tside: BackSide,\n\t\t\t\t\t\tdepthTest: false,\n\t\t\t\t\t\tdepthWrite: false,\n\t\t\t\t\t\tfog: false\n\t\t\t\t\t} )\n\t\t\t\t);\n\n\t\t\t\tboxMesh.geometry.deleteAttribute( 'normal' );\n\t\t\t\tboxMesh.geometry.deleteAttribute( 'uv' );\n\n\t\t\t\tboxMesh.onBeforeRender = function ( renderer, scene, camera ) {\n\n\t\t\t\t\tthis.matrixWorld.copyPosition( camera.matrixWorld );\n\n\t\t\t\t};\n\n\t\t\t\t// add \"envMap\" material property so the renderer can evaluate it like for built-in materials\n\t\t\t\tObject.defineProperty( boxMesh.material, 'envMap', {\n\n\t\t\t\t\tget: function () {\n\n\t\t\t\t\t\treturn this.uniforms.envMap.value;\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\tobjects.update( boxMesh );\n\n\t\t\t}\n\n\t\t\t_e1$1.copy( scene.backgroundRotation );\n\n\t\t\t// accommodate left-handed frame\n\t\t\t_e1$1.x *= - 1; _e1$1.y *= - 1; _e1$1.z *= - 1;\n\n\t\t\tif ( background.isCubeTexture && background.isRenderTargetTexture === false ) {\n\n\t\t\t\t// environment maps which are not cube render targets or PMREMs follow a different convention\n\t\t\t\t_e1$1.y *= - 1;\n\t\t\t\t_e1$1.z *= - 1;\n\n\t\t\t}\n\n\t\t\tboxMesh.material.uniforms.envMap.value = background;\n\t\t\tboxMesh.material.uniforms.flipEnvMap.value = ( background.isCubeTexture && background.isRenderTargetTexture === false ) ? - 1 : 1;\n\t\t\tboxMesh.material.uniforms.backgroundBlurriness.value = scene.backgroundBlurriness;\n\t\t\tboxMesh.material.uniforms.backgroundIntensity.value = scene.backgroundIntensity;\n\t\t\tboxMesh.material.uniforms.backgroundRotation.value.setFromMatrix4( _m1$1.makeRotationFromEuler( _e1$1 ) );\n\t\t\tboxMesh.material.toneMapped = ColorManagement.getTransfer( background.colorSpace ) !== SRGBTransfer;\n\n\t\t\tif ( currentBackground !== background ||\n\t\t\t\tcurrentBackgroundVersion !== background.version ||\n\t\t\t\tcurrentTonemapping !== renderer.toneMapping ) {\n\n\t\t\t\tboxMesh.material.needsUpdate = true;\n\n\t\t\t\tcurrentBackground = background;\n\t\t\t\tcurrentBackgroundVersion = background.version;\n\t\t\t\tcurrentTonemapping = renderer.toneMapping;\n\n\t\t\t}\n\n\t\t\tboxMesh.layers.enableAll();\n\n\t\t\t// push to the pre-sorted opaque render list\n\t\t\trenderList.unshift( boxMesh, boxMesh.geometry, boxMesh.material, 0, 0, null );\n\n\t\t} else if ( background && background.isTexture ) {\n\n\t\t\tif ( planeMesh === undefined ) {\n\n\t\t\t\tplaneMesh = new Mesh(\n\t\t\t\t\tnew PlaneGeometry( 2, 2 ),\n\t\t\t\t\tnew ShaderMaterial( {\n\t\t\t\t\t\tname: 'BackgroundMaterial',\n\t\t\t\t\t\tuniforms: cloneUniforms( ShaderLib.background.uniforms ),\n\t\t\t\t\t\tvertexShader: ShaderLib.background.vertexShader,\n\t\t\t\t\t\tfragmentShader: ShaderLib.background.fragmentShader,\n\t\t\t\t\t\tside: FrontSide,\n\t\t\t\t\t\tdepthTest: false,\n\t\t\t\t\t\tdepthWrite: false,\n\t\t\t\t\t\tfog: false\n\t\t\t\t\t} )\n\t\t\t\t);\n\n\t\t\t\tplaneMesh.geometry.deleteAttribute( 'normal' );\n\n\t\t\t\t// add \"map\" material property so the renderer can evaluate it like for built-in materials\n\t\t\t\tObject.defineProperty( planeMesh.material, 'map', {\n\n\t\t\t\t\tget: function () {\n\n\t\t\t\t\t\treturn this.uniforms.t2D.value;\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\tobjects.update( planeMesh );\n\n\t\t\t}\n\n\t\t\tplaneMesh.material.uniforms.t2D.value = background;\n\t\t\tplaneMesh.material.uniforms.backgroundIntensity.value = scene.backgroundIntensity;\n\t\t\tplaneMesh.material.toneMapped = ColorManagement.getTransfer( background.colorSpace ) !== SRGBTransfer;\n\n\t\t\tif ( background.matrixAutoUpdate === true ) {\n\n\t\t\t\tbackground.updateMatrix();\n\n\t\t\t}\n\n\t\t\tplaneMesh.material.uniforms.uvTransform.value.copy( background.matrix );\n\n\t\t\tif ( currentBackground !== background ||\n\t\t\t\tcurrentBackgroundVersion !== background.version ||\n\t\t\t\tcurrentTonemapping !== renderer.toneMapping ) {\n\n\t\t\t\tplaneMesh.material.needsUpdate = true;\n\n\t\t\t\tcurrentBackground = background;\n\t\t\t\tcurrentBackgroundVersion = background.version;\n\t\t\t\tcurrentTonemapping = renderer.toneMapping;\n\n\t\t\t}\n\n\t\t\tplaneMesh.layers.enableAll();\n\n\t\t\t// push to the pre-sorted opaque render list\n\t\t\trenderList.unshift( planeMesh, planeMesh.geometry, planeMesh.material, 0, 0, null );\n\n\t\t}\n\n\t}\n\n\tfunction setClear( color, alpha ) {\n\n\t\tcolor.getRGB( _rgb, getUnlitUniformColorSpace( renderer ) );\n\n\t\tstate.buffers.color.setClear( _rgb.r, _rgb.g, _rgb.b, alpha, premultipliedAlpha );\n\n\t}\n\n\tfunction dispose() {\n\n\t\tif ( boxMesh !== undefined ) {\n\n\t\t\tboxMesh.geometry.dispose();\n\t\t\tboxMesh.material.dispose();\n\n\t\t\tboxMesh = undefined;\n\n\t\t}\n\n\t\tif ( planeMesh !== undefined ) {\n\n\t\t\tplaneMesh.geometry.dispose();\n\t\t\tplaneMesh.material.dispose();\n\n\t\t\tplaneMesh = undefined;\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\tgetClearColor: function () {\n\n\t\t\treturn clearColor;\n\n\t\t},\n\t\tsetClearColor: function ( color, alpha = 1 ) {\n\n\t\t\tclearColor.set( color );\n\t\t\tclearAlpha = alpha;\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t},\n\t\tgetClearAlpha: function () {\n\n\t\t\treturn clearAlpha;\n\n\t\t},\n\t\tsetClearAlpha: function ( alpha ) {\n\n\t\t\tclearAlpha = alpha;\n\t\t\tsetClear( clearColor, clearAlpha );\n\n\t\t},\n\t\trender: render,\n\t\taddToRenderList: addToRenderList,\n\t\tdispose: dispose\n\n\t};\n\n}\n\nfunction WebGLBindingStates( gl, attributes ) {\n\n\tconst maxVertexAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );\n\n\tconst bindingStates = {};\n\n\tconst defaultState = createBindingState( null );\n\tlet currentState = defaultState;\n\tlet forceUpdate = false;\n\n\tfunction setup( object, material, program, geometry, index ) {\n\n\t\tlet updateBuffers = false;\n\n\t\tconst state = getBindingState( geometry, program, material );\n\n\t\tif ( currentState !== state ) {\n\n\t\t\tcurrentState = state;\n\t\t\tbindVertexArrayObject( currentState.object );\n\n\t\t}\n\n\t\tupdateBuffers = needsUpdate( object, geometry, program, index );\n\n\t\tif ( updateBuffers ) saveCache( object, geometry, program, index );\n\n\t\tif ( index !== null ) {\n\n\t\t\tattributes.update( index, gl.ELEMENT_ARRAY_BUFFER );\n\n\t\t}\n\n\t\tif ( updateBuffers || forceUpdate ) {\n\n\t\t\tforceUpdate = false;\n\n\t\t\tsetupVertexAttributes( object, material, program, geometry );\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tgl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, attributes.get( index ).buffer );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction createVertexArrayObject() {\n\n\t\treturn gl.createVertexArray();\n\n\t}\n\n\tfunction bindVertexArrayObject( vao ) {\n\n\t\treturn gl.bindVertexArray( vao );\n\n\t}\n\n\tfunction deleteVertexArrayObject( vao ) {\n\n\t\treturn gl.deleteVertexArray( vao );\n\n\t}\n\n\tfunction getBindingState( geometry, program, material ) {\n\n\t\tconst wireframe = ( material.wireframe === true );\n\n\t\tlet programMap = bindingStates[ geometry.id ];\n\n\t\tif ( programMap === undefined ) {\n\n\t\t\tprogramMap = {};\n\t\t\tbindingStates[ geometry.id ] = programMap;\n\n\t\t}\n\n\t\tlet stateMap = programMap[ program.id ];\n\n\t\tif ( stateMap === undefined ) {\n\n\t\t\tstateMap = {};\n\t\t\tprogramMap[ program.id ] = stateMap;\n\n\t\t}\n\n\t\tlet state = stateMap[ wireframe ];\n\n\t\tif ( state === undefined ) {\n\n\t\t\tstate = createBindingState( createVertexArrayObject() );\n\t\t\tstateMap[ wireframe ] = state;\n\n\t\t}\n\n\t\treturn state;\n\n\t}\n\n\tfunction createBindingState( vao ) {\n\n\t\tconst newAttributes = [];\n\t\tconst enabledAttributes = [];\n\t\tconst attributeDivisors = [];\n\n\t\tfor ( let i = 0; i < maxVertexAttributes; i ++ ) {\n\n\t\t\tnewAttributes[ i ] = 0;\n\t\t\tenabledAttributes[ i ] = 0;\n\t\t\tattributeDivisors[ i ] = 0;\n\n\t\t}\n\n\t\treturn {\n\n\t\t\t// for backward compatibility on non-VAO support browser\n\t\t\tgeometry: null,\n\t\t\tprogram: null,\n\t\t\twireframe: false,\n\n\t\t\tnewAttributes: newAttributes,\n\t\t\tenabledAttributes: enabledAttributes,\n\t\t\tattributeDivisors: attributeDivisors,\n\t\t\tobject: vao,\n\t\t\tattributes: {},\n\t\t\tindex: null\n\n\t\t};\n\n\t}\n\n\tfunction needsUpdate( object, geometry, program, index ) {\n\n\t\tconst cachedAttributes = currentState.attributes;\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\tlet attributesNum = 0;\n\n\t\tconst programAttributes = program.getAttributes();\n\n\t\tfor ( const name in programAttributes ) {\n\n\t\t\tconst programAttribute = programAttributes[ name ];\n\n\t\t\tif ( programAttribute.location >= 0 ) {\n\n\t\t\t\tconst cachedAttribute = cachedAttributes[ name ];\n\t\t\t\tlet geometryAttribute = geometryAttributes[ name ];\n\n\t\t\t\tif ( geometryAttribute === undefined ) {\n\n\t\t\t\t\tif ( name === 'instanceMatrix' && object.instanceMatrix ) geometryAttribute = object.instanceMatrix;\n\t\t\t\t\tif ( name === 'instanceColor' && object.instanceColor ) geometryAttribute = object.instanceColor;\n\n\t\t\t\t}\n\n\t\t\t\tif ( cachedAttribute === undefined ) return true;\n\n\t\t\t\tif ( cachedAttribute.attribute !== geometryAttribute ) return true;\n\n\t\t\t\tif ( geometryAttribute && cachedAttribute.data !== geometryAttribute.data ) return true;\n\n\t\t\t\tattributesNum ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( currentState.attributesNum !== attributesNum ) return true;\n\n\t\tif ( currentState.index !== index ) return true;\n\n\t\treturn false;\n\n\t}\n\n\tfunction saveCache( object, geometry, program, index ) {\n\n\t\tconst cache = {};\n\t\tconst attributes = geometry.attributes;\n\t\tlet attributesNum = 0;\n\n\t\tconst programAttributes = program.getAttributes();\n\n\t\tfor ( const name in programAttributes ) {\n\n\t\t\tconst programAttribute = programAttributes[ name ];\n\n\t\t\tif ( programAttribute.location >= 0 ) {\n\n\t\t\t\tlet attribute = attributes[ name ];\n\n\t\t\t\tif ( attribute === undefined ) {\n\n\t\t\t\t\tif ( name === 'instanceMatrix' && object.instanceMatrix ) attribute = object.instanceMatrix;\n\t\t\t\t\tif ( name === 'instanceColor' && object.instanceColor ) attribute = object.instanceColor;\n\n\t\t\t\t}\n\n\t\t\t\tconst data = {};\n\t\t\t\tdata.attribute = attribute;\n\n\t\t\t\tif ( attribute && attribute.data ) {\n\n\t\t\t\t\tdata.data = attribute.data;\n\n\t\t\t\t}\n\n\t\t\t\tcache[ name ] = data;\n\n\t\t\t\tattributesNum ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\tcurrentState.attributes = cache;\n\t\tcurrentState.attributesNum = attributesNum;\n\n\t\tcurrentState.index = index;\n\n\t}\n\n\tfunction initAttributes() {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\n\t\tfor ( let i = 0, il = newAttributes.length; i < il; i ++ ) {\n\n\t\t\tnewAttributes[ i ] = 0;\n\n\t\t}\n\n\t}\n\n\tfunction enableAttribute( attribute ) {\n\n\t\tenableAttributeAndDivisor( attribute, 0 );\n\n\t}\n\n\tfunction enableAttributeAndDivisor( attribute, meshPerAttribute ) {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\t\tconst enabledAttributes = currentState.enabledAttributes;\n\t\tconst attributeDivisors = currentState.attributeDivisors;\n\n\t\tnewAttributes[ attribute ] = 1;\n\n\t\tif ( enabledAttributes[ attribute ] === 0 ) {\n\n\t\t\tgl.enableVertexAttribArray( attribute );\n\t\t\tenabledAttributes[ attribute ] = 1;\n\n\t\t}\n\n\t\tif ( attributeDivisors[ attribute ] !== meshPerAttribute ) {\n\n\t\t\tgl.vertexAttribDivisor( attribute, meshPerAttribute );\n\t\t\tattributeDivisors[ attribute ] = meshPerAttribute;\n\n\t\t}\n\n\t}\n\n\tfunction disableUnusedAttributes() {\n\n\t\tconst newAttributes = currentState.newAttributes;\n\t\tconst enabledAttributes = currentState.enabledAttributes;\n\n\t\tfor ( let i = 0, il = enabledAttributes.length; i < il; i ++ ) {\n\n\t\t\tif ( enabledAttributes[ i ] !== newAttributes[ i ] ) {\n\n\t\t\t\tgl.disableVertexAttribArray( i );\n\t\t\t\tenabledAttributes[ i ] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction vertexAttribPointer( index, size, type, normalized, stride, offset, integer ) {\n\n\t\tif ( integer === true ) {\n\n\t\t\tgl.vertexAttribIPointer( index, size, type, stride, offset );\n\n\t\t} else {\n\n\t\t\tgl.vertexAttribPointer( index, size, type, normalized, stride, offset );\n\n\t\t}\n\n\t}\n\n\tfunction setupVertexAttributes( object, material, program, geometry ) {\n\n\t\tinitAttributes();\n\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\tconst programAttributes = program.getAttributes();\n\n\t\tconst materialDefaultAttributeValues = material.defaultAttributeValues;\n\n\t\tfor ( const name in programAttributes ) {\n\n\t\t\tconst programAttribute = programAttributes[ name ];\n\n\t\t\tif ( programAttribute.location >= 0 ) {\n\n\t\t\t\tlet geometryAttribute = geometryAttributes[ name ];\n\n\t\t\t\tif ( geometryAttribute === undefined ) {\n\n\t\t\t\t\tif ( name === 'instanceMatrix' && object.instanceMatrix ) geometryAttribute = object.instanceMatrix;\n\t\t\t\t\tif ( name === 'instanceColor' && object.instanceColor ) geometryAttribute = object.instanceColor;\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometryAttribute !== undefined ) {\n\n\t\t\t\t\tconst normalized = geometryAttribute.normalized;\n\t\t\t\t\tconst size = geometryAttribute.itemSize;\n\n\t\t\t\t\tconst attribute = attributes.get( geometryAttribute );\n\n\t\t\t\t\t// TODO Attribute may not be available on context restore\n\n\t\t\t\t\tif ( attribute === undefined ) continue;\n\n\t\t\t\t\tconst buffer = attribute.buffer;\n\t\t\t\t\tconst type = attribute.type;\n\t\t\t\t\tconst bytesPerElement = attribute.bytesPerElement;\n\n\t\t\t\t\t// check for integer attributes\n\n\t\t\t\t\tconst integer = ( type === gl.INT || type === gl.UNSIGNED_INT || geometryAttribute.gpuType === IntType );\n\n\t\t\t\t\tif ( geometryAttribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\tconst data = geometryAttribute.data;\n\t\t\t\t\t\tconst stride = data.stride;\n\t\t\t\t\t\tconst offset = geometryAttribute.offset;\n\n\t\t\t\t\t\tif ( data.isInstancedInterleavedBuffer ) {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttributeAndDivisor( programAttribute.location + i, data.meshPerAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( object.isInstancedMesh !== true && geometry._maxInstanceCount === undefined ) {\n\n\t\t\t\t\t\t\t\tgeometry._maxInstanceCount = data.meshPerAttribute * data.count;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttribute( programAttribute.location + i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, buffer );\n\n\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\tvertexAttribPointer(\n\t\t\t\t\t\t\t\tprogramAttribute.location + i,\n\t\t\t\t\t\t\t\tsize / programAttribute.locationSize,\n\t\t\t\t\t\t\t\ttype,\n\t\t\t\t\t\t\t\tnormalized,\n\t\t\t\t\t\t\t\tstride * bytesPerElement,\n\t\t\t\t\t\t\t\t( offset + ( size / programAttribute.locationSize ) * i ) * bytesPerElement,\n\t\t\t\t\t\t\t\tinteger\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( geometryAttribute.isInstancedBufferAttribute ) {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttributeAndDivisor( programAttribute.location + i, geometryAttribute.meshPerAttribute );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( object.isInstancedMesh !== true && geometry._maxInstanceCount === undefined ) {\n\n\t\t\t\t\t\t\t\tgeometry._maxInstanceCount = geometryAttribute.meshPerAttribute * geometryAttribute.count;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\t\tenableAttribute( programAttribute.location + i );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tgl.bindBuffer( gl.ARRAY_BUFFER, buffer );\n\n\t\t\t\t\t\tfor ( let i = 0; i < programAttribute.locationSize; i ++ ) {\n\n\t\t\t\t\t\t\tvertexAttribPointer(\n\t\t\t\t\t\t\t\tprogramAttribute.location + i,\n\t\t\t\t\t\t\t\tsize / programAttribute.locationSize,\n\t\t\t\t\t\t\t\ttype,\n\t\t\t\t\t\t\t\tnormalized,\n\t\t\t\t\t\t\t\tsize * bytesPerElement,\n\t\t\t\t\t\t\t\t( size / programAttribute.locationSize ) * i * bytesPerElement,\n\t\t\t\t\t\t\t\tinteger\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( materialDefaultAttributeValues !== undefined ) {\n\n\t\t\t\t\tconst value = materialDefaultAttributeValues[ name ];\n\n\t\t\t\t\tif ( value !== undefined ) {\n\n\t\t\t\t\t\tswitch ( value.length ) {\n\n\t\t\t\t\t\t\tcase 2:\n\t\t\t\t\t\t\t\tgl.vertexAttrib2fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 3:\n\t\t\t\t\t\t\t\tgl.vertexAttrib3fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tcase 4:\n\t\t\t\t\t\t\t\tgl.vertexAttrib4fv( programAttribute.location, value );\n\t\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\tgl.vertexAttrib1fv( programAttribute.location, value );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tdisableUnusedAttributes();\n\n\t}\n\n\tfunction dispose() {\n\n\t\treset();\n\n\t\tfor ( const geometryId in bindingStates ) {\n\n\t\t\tconst programMap = bindingStates[ geometryId ];\n\n\t\t\tfor ( const programId in programMap ) {\n\n\t\t\t\tconst stateMap = programMap[ programId ];\n\n\t\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t\t}\n\n\t\t\t\tdelete programMap[ programId ];\n\n\t\t\t}\n\n\t\t\tdelete bindingStates[ geometryId ];\n\n\t\t}\n\n\t}\n\n\tfunction releaseStatesOfGeometry( geometry ) {\n\n\t\tif ( bindingStates[ geometry.id ] === undefined ) return;\n\n\t\tconst programMap = bindingStates[ geometry.id ];\n\n\t\tfor ( const programId in programMap ) {\n\n\t\t\tconst stateMap = programMap[ programId ];\n\n\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t}\n\n\t\t\tdelete programMap[ programId ];\n\n\t\t}\n\n\t\tdelete bindingStates[ geometry.id ];\n\n\t}\n\n\tfunction releaseStatesOfProgram( program ) {\n\n\t\tfor ( const geometryId in bindingStates ) {\n\n\t\t\tconst programMap = bindingStates[ geometryId ];\n\n\t\t\tif ( programMap[ program.id ] === undefined ) continue;\n\n\t\t\tconst stateMap = programMap[ program.id ];\n\n\t\t\tfor ( const wireframe in stateMap ) {\n\n\t\t\t\tdeleteVertexArrayObject( stateMap[ wireframe ].object );\n\n\t\t\t\tdelete stateMap[ wireframe ];\n\n\t\t\t}\n\n\t\t\tdelete programMap[ program.id ];\n\n\t\t}\n\n\t}\n\n\tfunction reset() {\n\n\t\tresetDefaultState();\n\t\tforceUpdate = true;\n\n\t\tif ( currentState === defaultState ) return;\n\n\t\tcurrentState = defaultState;\n\t\tbindVertexArrayObject( currentState.object );\n\n\t}\n\n\t// for backward-compatibility\n\n\tfunction resetDefaultState() {\n\n\t\tdefaultState.geometry = null;\n\t\tdefaultState.program = null;\n\t\tdefaultState.wireframe = false;\n\n\t}\n\n\treturn {\n\n\t\tsetup: setup,\n\t\treset: reset,\n\t\tresetDefaultState: resetDefaultState,\n\t\tdispose: dispose,\n\t\treleaseStatesOfGeometry: releaseStatesOfGeometry,\n\t\treleaseStatesOfProgram: releaseStatesOfProgram,\n\n\t\tinitAttributes: initAttributes,\n\t\tenableAttribute: enableAttribute,\n\t\tdisableUnusedAttributes: disableUnusedAttributes\n\n\t};\n\n}\n\nfunction WebGLBufferRenderer( gl, extensions, info ) {\n\n\tlet mode;\n\n\tfunction setMode( value ) {\n\n\t\tmode = value;\n\n\t}\n\n\tfunction render( start, count ) {\n\n\t\tgl.drawArrays( mode, start, count );\n\n\t\tinfo.update( count, mode, 1 );\n\n\t}\n\n\tfunction renderInstances( start, count, primcount ) {\n\n\t\tif ( primcount === 0 ) return;\n\n\t\tgl.drawArraysInstanced( mode, start, count, primcount );\n\n\t\tinfo.update( count, mode, primcount );\n\n\t}\n\n\tfunction renderMultiDraw( starts, counts, drawCount ) {\n\n\t\tif ( drawCount === 0 ) return;\n\n\t\tconst extension = extensions.get( 'WEBGL_multi_draw' );\n\t\textension.multiDrawArraysWEBGL( mode, starts, 0, counts, 0, drawCount );\n\n\t\tlet elementCount = 0;\n\t\tfor ( let i = 0; i < drawCount; i ++ ) {\n\n\t\t\telementCount += counts[ i ];\n\n\t\t}\n\n\t\tinfo.update( elementCount, mode, 1 );\n\n\t}\n\n\tfunction renderMultiDrawInstances( starts, counts, drawCount, primcount ) {\n\n\t\tif ( drawCount === 0 ) return;\n\n\t\tconst extension = extensions.get( 'WEBGL_multi_draw' );\n\n\t\tif ( extension === null ) {\n\n\t\t\tfor ( let i = 0; i < starts.length; i ++ ) {\n\n\t\t\t\trenderInstances( starts[ i ], counts[ i ], primcount[ i ] );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\textension.multiDrawArraysInstancedWEBGL( mode, starts, 0, counts, 0, primcount, 0, drawCount );\n\n\t\t\tlet elementCount = 0;\n\t\t\tfor ( let i = 0; i < drawCount; i ++ ) {\n\n\t\t\t\telementCount += counts[ i ] * primcount[ i ];\n\n\t\t\t}\n\n\t\t\tinfo.update( elementCount, mode, 1 );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tthis.setMode = setMode;\n\tthis.render = render;\n\tthis.renderInstances = renderInstances;\n\tthis.renderMultiDraw = renderMultiDraw;\n\tthis.renderMultiDrawInstances = renderMultiDrawInstances;\n\n}\n\nfunction WebGLCapabilities( gl, extensions, parameters, utils ) {\n\n\tlet maxAnisotropy;\n\n\tfunction getMaxAnisotropy() {\n\n\t\tif ( maxAnisotropy !== undefined ) return maxAnisotropy;\n\n\t\tif ( extensions.has( 'EXT_texture_filter_anisotropic' ) === true ) {\n\n\t\t\tconst extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\n\t\t\tmaxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT );\n\n\t\t} else {\n\n\t\t\tmaxAnisotropy = 0;\n\n\t\t}\n\n\t\treturn maxAnisotropy;\n\n\t}\n\n\tfunction textureFormatReadable( textureFormat ) {\n\n\t\tif ( textureFormat !== RGBAFormat && utils.convert( textureFormat ) !== gl.getParameter( gl.IMPLEMENTATION_COLOR_READ_FORMAT ) ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tfunction textureTypeReadable( textureType ) {\n\n\t\tconst halfFloatSupportedByExt = ( textureType === HalfFloatType ) && ( extensions.has( 'EXT_color_buffer_half_float' ) || extensions.has( 'EXT_color_buffer_float' ) );\n\n\t\tif ( textureType !== UnsignedByteType && utils.convert( textureType ) !== gl.getParameter( gl.IMPLEMENTATION_COLOR_READ_TYPE ) && // Edge and Chrome Mac < 52 (#9513)\n\t\t\ttextureType !== FloatType && ! halfFloatSupportedByExt ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tfunction getMaxPrecision( precision ) {\n\n\t\tif ( precision === 'highp' ) {\n\n\t\t\tif ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.HIGH_FLOAT ).precision > 0 &&\n\t\t\t\tgl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.HIGH_FLOAT ).precision > 0 ) {\n\n\t\t\t\treturn 'highp';\n\n\t\t\t}\n\n\t\t\tprecision = 'mediump';\n\n\t\t}\n\n\t\tif ( precision === 'mediump' ) {\n\n\t\t\tif ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.MEDIUM_FLOAT ).precision > 0 &&\n\t\t\t\tgl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.MEDIUM_FLOAT ).precision > 0 ) {\n\n\t\t\t\treturn 'mediump';\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn 'lowp';\n\n\t}\n\n\tlet precision = parameters.precision !== undefined ? parameters.precision : 'highp';\n\tconst maxPrecision = getMaxPrecision( precision );\n\n\tif ( maxPrecision !== precision ) {\n\n\t\tconsole.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' );\n\t\tprecision = maxPrecision;\n\n\t}\n\n\tconst logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true;\n\tconst reverseDepthBuffer = parameters.reverseDepthBuffer === true && extensions.has( 'EXT_clip_control' );\n\n\tconst maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS );\n\tconst maxVertexTextures = gl.getParameter( gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS );\n\tconst maxTextureSize = gl.getParameter( gl.MAX_TEXTURE_SIZE );\n\tconst maxCubemapSize = gl.getParameter( gl.MAX_CUBE_MAP_TEXTURE_SIZE );\n\n\tconst maxAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS );\n\tconst maxVertexUniforms = gl.getParameter( gl.MAX_VERTEX_UNIFORM_VECTORS );\n\tconst maxVaryings = gl.getParameter( gl.MAX_VARYING_VECTORS );\n\tconst maxFragmentUniforms = gl.getParameter( gl.MAX_FRAGMENT_UNIFORM_VECTORS );\n\n\tconst vertexTextures = maxVertexTextures > 0;\n\n\tconst maxSamples = gl.getParameter( gl.MAX_SAMPLES );\n\n\treturn {\n\n\t\tisWebGL2: true, // keeping this for backwards compatibility\n\n\t\tgetMaxAnisotropy: getMaxAnisotropy,\n\t\tgetMaxPrecision: getMaxPrecision,\n\n\t\ttextureFormatReadable: textureFormatReadable,\n\t\ttextureTypeReadable: textureTypeReadable,\n\n\t\tprecision: precision,\n\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\t\treverseDepthBuffer: reverseDepthBuffer,\n\n\t\tmaxTextures: maxTextures,\n\t\tmaxVertexTextures: maxVertexTextures,\n\t\tmaxTextureSize: maxTextureSize,\n\t\tmaxCubemapSize: maxCubemapSize,\n\n\t\tmaxAttributes: maxAttributes,\n\t\tmaxVertexUniforms: maxVertexUniforms,\n\t\tmaxVaryings: maxVaryings,\n\t\tmaxFragmentUniforms: maxFragmentUniforms,\n\n\t\tvertexTextures: vertexTextures,\n\n\t\tmaxSamples: maxSamples\n\n\t};\n\n}\n\nfunction WebGLClipping( properties ) {\n\n\tconst scope = this;\n\n\tlet globalState = null,\n\t\tnumGlobalPlanes = 0,\n\t\tlocalClippingEnabled = false,\n\t\trenderingShadows = false;\n\n\tconst plane = new Plane(),\n\t\tviewNormalMatrix = new Matrix3(),\n\n\t\tuniform = { value: null, needsUpdate: false };\n\n\tthis.uniform = uniform;\n\tthis.numPlanes = 0;\n\tthis.numIntersection = 0;\n\n\tthis.init = function ( planes, enableLocalClipping ) {\n\n\t\tconst enabled =\n\t\t\tplanes.length !== 0 ||\n\t\t\tenableLocalClipping ||\n\t\t\t// enable state of previous frame - the clipping code has to\n\t\t\t// run another frame in order to reset the state:\n\t\t\tnumGlobalPlanes !== 0 ||\n\t\t\tlocalClippingEnabled;\n\n\t\tlocalClippingEnabled = enableLocalClipping;\n\n\t\tnumGlobalPlanes = planes.length;\n\n\t\treturn enabled;\n\n\t};\n\n\tthis.beginShadows = function () {\n\n\t\trenderingShadows = true;\n\t\tprojectPlanes( null );\n\n\t};\n\n\tthis.endShadows = function () {\n\n\t\trenderingShadows = false;\n\n\t};\n\n\tthis.setGlobalState = function ( planes, camera ) {\n\n\t\tglobalState = projectPlanes( planes, camera, 0 );\n\n\t};\n\n\tthis.setState = function ( material, camera, useCache ) {\n\n\t\tconst planes = material.clippingPlanes,\n\t\t\tclipIntersection = material.clipIntersection,\n\t\t\tclipShadows = material.clipShadows;\n\n\t\tconst materialProperties = properties.get( material );\n\n\t\tif ( ! localClippingEnabled || planes === null || planes.length === 0 || renderingShadows && ! clipShadows ) {\n\n\t\t\t// there's no local clipping\n\n\t\t\tif ( renderingShadows ) {\n\n\t\t\t\t// there's no global clipping\n\n\t\t\t\tprojectPlanes( null );\n\n\t\t\t} else {\n\n\t\t\t\tresetGlobalState();\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst nGlobal = renderingShadows ? 0 : numGlobalPlanes,\n\t\t\t\tlGlobal = nGlobal * 4;\n\n\t\t\tlet dstArray = materialProperties.clippingState || null;\n\n\t\t\tuniform.value = dstArray; // ensure unique state\n\n\t\t\tdstArray = projectPlanes( planes, camera, lGlobal, useCache );\n\n\t\t\tfor ( let i = 0; i !== lGlobal; ++ i ) {\n\n\t\t\t\tdstArray[ i ] = globalState[ i ];\n\n\t\t\t}\n\n\t\t\tmaterialProperties.clippingState = dstArray;\n\t\t\tthis.numIntersection = clipIntersection ? this.numPlanes : 0;\n\t\t\tthis.numPlanes += nGlobal;\n\n\t\t}\n\n\n\t};\n\n\tfunction resetGlobalState() {\n\n\t\tif ( uniform.value !== globalState ) {\n\n\t\t\tuniform.value = globalState;\n\t\t\tuniform.needsUpdate = numGlobalPlanes > 0;\n\n\t\t}\n\n\t\tscope.numPlanes = numGlobalPlanes;\n\t\tscope.numIntersection = 0;\n\n\t}\n\n\tfunction projectPlanes( planes, camera, dstOffset, skipTransform ) {\n\n\t\tconst nPlanes = planes !== null ? planes.length : 0;\n\t\tlet dstArray = null;\n\n\t\tif ( nPlanes !== 0 ) {\n\n\t\t\tdstArray = uniform.value;\n\n\t\t\tif ( skipTransform !== true || dstArray === null ) {\n\n\t\t\t\tconst flatSize = dstOffset + nPlanes * 4,\n\t\t\t\t\tviewMatrix = camera.matrixWorldInverse;\n\n\t\t\t\tviewNormalMatrix.getNormalMatrix( viewMatrix );\n\n\t\t\t\tif ( dstArray === null || dstArray.length < flatSize ) {\n\n\t\t\t\t\tdstArray = new Float32Array( flatSize );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0, i4 = dstOffset; i !== nPlanes; ++ i, i4 += 4 ) {\n\n\t\t\t\t\tplane.copy( planes[ i ] ).applyMatrix4( viewMatrix, viewNormalMatrix );\n\n\t\t\t\t\tplane.normal.toArray( dstArray, i4 );\n\t\t\t\t\tdstArray[ i4 + 3 ] = plane.constant;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tuniform.value = dstArray;\n\t\t\tuniform.needsUpdate = true;\n\n\t\t}\n\n\t\tscope.numPlanes = nPlanes;\n\t\tscope.numIntersection = 0;\n\n\t\treturn dstArray;\n\n\t}\n\n}\n\nfunction WebGLCubeMaps( renderer ) {\n\n\tlet cubemaps = new WeakMap();\n\n\tfunction mapTextureMapping( texture, mapping ) {\n\n\t\tif ( mapping === EquirectangularReflectionMapping ) {\n\n\t\t\ttexture.mapping = CubeReflectionMapping;\n\n\t\t} else if ( mapping === EquirectangularRefractionMapping ) {\n\n\t\t\ttexture.mapping = CubeRefractionMapping;\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction get( texture ) {\n\n\t\tif ( texture && texture.isTexture ) {\n\n\t\t\tconst mapping = texture.mapping;\n\n\t\t\tif ( mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping ) {\n\n\t\t\t\tif ( cubemaps.has( texture ) ) {\n\n\t\t\t\t\tconst cubemap = cubemaps.get( texture ).texture;\n\t\t\t\t\treturn mapTextureMapping( cubemap, texture.mapping );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconst image = texture.image;\n\n\t\t\t\t\tif ( image && image.height > 0 ) {\n\n\t\t\t\t\t\tconst renderTarget = new WebGLCubeRenderTarget( image.height );\n\t\t\t\t\t\trenderTarget.fromEquirectangularTexture( renderer, texture );\n\t\t\t\t\t\tcubemaps.set( texture, renderTarget );\n\n\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\treturn mapTextureMapping( renderTarget.texture, texture.mapping );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// image not yet ready. try the conversion next frame\n\n\t\t\t\t\t\treturn null;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tconst cubemap = cubemaps.get( texture );\n\n\t\tif ( cubemap !== undefined ) {\n\n\t\t\tcubemaps.delete( texture );\n\t\t\tcubemap.dispose();\n\n\t\t}\n\n\t}\n\n\tfunction dispose() {\n\n\t\tcubemaps = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nconst LOD_MIN = 4;\n\n// The standard deviations (radians) associated with the extra mips. These are\n// chosen to approximate a Trowbridge-Reitz distribution function times the\n// geometric shadowing function. These sigma values squared must match the\n// variance #defines in cube_uv_reflection_fragment.glsl.js.\nconst EXTRA_LOD_SIGMA = [ 0.125, 0.215, 0.35, 0.446, 0.526, 0.582 ];\n\n// The maximum length of the blur for loop. Smaller sigmas will use fewer\n// samples and exit early, but not recompile the shader.\nconst MAX_SAMPLES = 20;\n\nconst _flatCamera = /*@__PURE__*/ new OrthographicCamera();\nconst _clearColor = /*@__PURE__*/ new Color();\nlet _oldTarget = null;\nlet _oldActiveCubeFace = 0;\nlet _oldActiveMipmapLevel = 0;\nlet _oldXrEnabled = false;\n\n// Golden Ratio\nconst PHI = ( 1 + Math.sqrt( 5 ) ) / 2;\nconst INV_PHI = 1 / PHI;\n\n// Vertices of a dodecahedron (except the opposites, which represent the\n// same axis), used as axis directions evenly spread on a sphere.\nconst _axisDirections = [\n\t/*@__PURE__*/ new Vector3( - PHI, INV_PHI, 0 ),\n\t/*@__PURE__*/ new Vector3( PHI, INV_PHI, 0 ),\n\t/*@__PURE__*/ new Vector3( - INV_PHI, 0, PHI ),\n\t/*@__PURE__*/ new Vector3( INV_PHI, 0, PHI ),\n\t/*@__PURE__*/ new Vector3( 0, PHI, - INV_PHI ),\n\t/*@__PURE__*/ new Vector3( 0, PHI, INV_PHI ),\n\t/*@__PURE__*/ new Vector3( - 1, 1, - 1 ),\n\t/*@__PURE__*/ new Vector3( 1, 1, - 1 ),\n\t/*@__PURE__*/ new Vector3( - 1, 1, 1 ),\n\t/*@__PURE__*/ new Vector3( 1, 1, 1 ) ];\n\n/**\n * This class generates a Prefiltered, Mipmapped Radiance Environment Map\n * (PMREM) from a cubeMap environment texture. This allows different levels of\n * blur to be quickly accessed based on material roughness. It is packed into a\n * special CubeUV format that allows us to perform custom interpolation so that\n * we can support nonlinear formats such as RGBE. Unlike a traditional mipmap\n * chain, it only goes down to the LOD_MIN level (above), and then creates extra\n * even more filtered 'mips' at the same LOD_MIN resolution, associated with\n * higher roughness levels. In this way we maintain resolution to smoothly\n * interpolate diffuse lighting while limiting sampling computation.\n *\n * Paper: Fast, Accurate Image-Based Lighting\n * https://drive.google.com/file/d/15y8r_UpKlU9SvV4ILb0C3qCPecS8pvLz/view\n*/\n\nclass PMREMGenerator {\n\n\tconstructor( renderer ) {\n\n\t\tthis._renderer = renderer;\n\t\tthis._pingPongRenderTarget = null;\n\n\t\tthis._lodMax = 0;\n\t\tthis._cubeSize = 0;\n\t\tthis._lodPlanes = [];\n\t\tthis._sizeLods = [];\n\t\tthis._sigmas = [];\n\n\t\tthis._blurMaterial = null;\n\t\tthis._cubemapMaterial = null;\n\t\tthis._equirectMaterial = null;\n\n\t\tthis._compileMaterial( this._blurMaterial );\n\n\t}\n\n\t/**\n\t * Generates a PMREM from a supplied Scene, which can be faster than using an\n\t * image if networking bandwidth is low. Optional sigma specifies a blur radius\n\t * in radians to be applied to the scene before PMREM generation. Optional near\n\t * and far planes ensure the scene is rendered in its entirety (the cubeCamera\n\t * is placed at the origin).\n\t *\n\t * @param {Scene} scene\n\t * @param {number} sigma\n\t * @param {number} near\n\t * @param {number} far\n\t * @return {WebGLRenderTarget}\n\t */\n\tfromScene( scene, sigma = 0, near = 0.1, far = 100 ) {\n\n\t\t_oldTarget = this._renderer.getRenderTarget();\n\t\t_oldActiveCubeFace = this._renderer.getActiveCubeFace();\n\t\t_oldActiveMipmapLevel = this._renderer.getActiveMipmapLevel();\n\t\t_oldXrEnabled = this._renderer.xr.enabled;\n\n\t\tthis._renderer.xr.enabled = false;\n\n\t\tthis._setSize( 256 );\n\n\t\tconst cubeUVRenderTarget = this._allocateTargets();\n\t\tcubeUVRenderTarget.depthBuffer = true;\n\n\t\tthis._sceneToCubeUV( scene, near, far, cubeUVRenderTarget );\n\n\t\tif ( sigma > 0 ) {\n\n\t\t\tthis._blur( cubeUVRenderTarget, 0, 0, sigma );\n\n\t\t}\n\n\t\tthis._applyPMREM( cubeUVRenderTarget );\n\t\tthis._cleanup( cubeUVRenderTarget );\n\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t/**\n\t * Generates a PMREM from an equirectangular texture, which can be either LDR\n\t * or HDR. The ideal input image size is 1k (1024 x 512),\n\t * as this matches best with the 256 x 256 cubemap output.\n\t * The smallest supported equirectangular image size is 64 x 32.\n\t *\n\t * @param {Texture} equirectangular\n\t * @param {WebGLRenderTarget} [renderTarget=null] - Optional render target.\n\t * @return {WebGLRenderTarget}\n\t */\n\tfromEquirectangular( equirectangular, renderTarget = null ) {\n\n\t\treturn this._fromTexture( equirectangular, renderTarget );\n\n\t}\n\n\t/**\n\t * Generates a PMREM from an cubemap texture, which can be either LDR\n\t * or HDR. The ideal input cube size is 256 x 256,\n\t * as this matches best with the 256 x 256 cubemap output.\n\t * The smallest supported cube size is 16 x 16.\n\t *\n\t * @param {Texture} cubemap\n\t * @param {null} [renderTarget=null] - Optional render target.\n\t * @return {WebGLRenderTarget}\n\t */\n\tfromCubemap( cubemap, renderTarget = null ) {\n\n\t\treturn this._fromTexture( cubemap, renderTarget );\n\n\t}\n\n\t/**\n\t * Pre-compiles the cubemap shader. You can get faster start-up by invoking this method during\n\t * your texture's network fetch for increased concurrency.\n\t */\n\tcompileCubemapShader() {\n\n\t\tif ( this._cubemapMaterial === null ) {\n\n\t\t\tthis._cubemapMaterial = _getCubemapMaterial();\n\t\t\tthis._compileMaterial( this._cubemapMaterial );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Pre-compiles the equirectangular shader. You can get faster start-up by invoking this method during\n\t * your texture's network fetch for increased concurrency.\n\t */\n\tcompileEquirectangularShader() {\n\n\t\tif ( this._equirectMaterial === null ) {\n\n\t\t\tthis._equirectMaterial = _getEquirectMaterial();\n\t\t\tthis._compileMaterial( this._equirectMaterial );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Disposes of the PMREMGenerator's internal memory. Note that PMREMGenerator is a static class,\n\t * so you should not need more than one PMREMGenerator object. If you do, calling dispose() on\n\t * one of them will cause any others to also become unusable.\n\t */\n\tdispose() {\n\n\t\tthis._dispose();\n\n\t\tif ( this._cubemapMaterial !== null ) this._cubemapMaterial.dispose();\n\t\tif ( this._equirectMaterial !== null ) this._equirectMaterial.dispose();\n\n\t}\n\n\t// private interface\n\n\t_setSize( cubeSize ) {\n\n\t\tthis._lodMax = Math.floor( Math.log2( cubeSize ) );\n\t\tthis._cubeSize = Math.pow( 2, this._lodMax );\n\n\t}\n\n\t_dispose() {\n\n\t\tif ( this._blurMaterial !== null ) this._blurMaterial.dispose();\n\n\t\tif ( this._pingPongRenderTarget !== null ) this._pingPongRenderTarget.dispose();\n\n\t\tfor ( let i = 0; i < this._lodPlanes.length; i ++ ) {\n\n\t\t\tthis._lodPlanes[ i ].dispose();\n\n\t\t}\n\n\t}\n\n\t_cleanup( outputTarget ) {\n\n\t\tthis._renderer.setRenderTarget( _oldTarget, _oldActiveCubeFace, _oldActiveMipmapLevel );\n\t\tthis._renderer.xr.enabled = _oldXrEnabled;\n\n\t\toutputTarget.scissorTest = false;\n\t\t_setViewport( outputTarget, 0, 0, outputTarget.width, outputTarget.height );\n\n\t}\n\n\t_fromTexture( texture, renderTarget ) {\n\n\t\tif ( texture.mapping === CubeReflectionMapping || texture.mapping === CubeRefractionMapping ) {\n\n\t\t\tthis._setSize( texture.image.length === 0 ? 16 : ( texture.image[ 0 ].width || texture.image[ 0 ].image.width ) );\n\n\t\t} else { // Equirectangular\n\n\t\t\tthis._setSize( texture.image.width / 4 );\n\n\t\t}\n\n\t\t_oldTarget = this._renderer.getRenderTarget();\n\t\t_oldActiveCubeFace = this._renderer.getActiveCubeFace();\n\t\t_oldActiveMipmapLevel = this._renderer.getActiveMipmapLevel();\n\t\t_oldXrEnabled = this._renderer.xr.enabled;\n\n\t\tthis._renderer.xr.enabled = false;\n\n\t\tconst cubeUVRenderTarget = renderTarget || this._allocateTargets();\n\t\tthis._textureToCubeUV( texture, cubeUVRenderTarget );\n\t\tthis._applyPMREM( cubeUVRenderTarget );\n\t\tthis._cleanup( cubeUVRenderTarget );\n\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t_allocateTargets() {\n\n\t\tconst width = 3 * Math.max( this._cubeSize, 16 * 7 );\n\t\tconst height = 4 * this._cubeSize;\n\n\t\tconst params = {\n\t\t\tmagFilter: LinearFilter,\n\t\t\tminFilter: LinearFilter,\n\t\t\tgenerateMipmaps: false,\n\t\t\ttype: HalfFloatType,\n\t\t\tformat: RGBAFormat,\n\t\t\tcolorSpace: LinearSRGBColorSpace,\n\t\t\tdepthBuffer: false\n\t\t};\n\n\t\tconst cubeUVRenderTarget = _createRenderTarget( width, height, params );\n\n\t\tif ( this._pingPongRenderTarget === null || this._pingPongRenderTarget.width !== width || this._pingPongRenderTarget.height !== height ) {\n\n\t\t\tif ( this._pingPongRenderTarget !== null ) {\n\n\t\t\t\tthis._dispose();\n\n\t\t\t}\n\n\t\t\tthis._pingPongRenderTarget = _createRenderTarget( width, height, params );\n\n\t\t\tconst { _lodMax } = this;\n\t\t\t( { sizeLods: this._sizeLods, lodPlanes: this._lodPlanes, sigmas: this._sigmas } = _createPlanes( _lodMax ) );\n\n\t\t\tthis._blurMaterial = _getBlurShader( _lodMax, width, height );\n\n\t\t}\n\n\t\treturn cubeUVRenderTarget;\n\n\t}\n\n\t_compileMaterial( material ) {\n\n\t\tconst tmpMesh = new Mesh( this._lodPlanes[ 0 ], material );\n\t\tthis._renderer.compile( tmpMesh, _flatCamera );\n\n\t}\n\n\t_sceneToCubeUV( scene, near, far, cubeUVRenderTarget ) {\n\n\t\tconst fov = 90;\n\t\tconst aspect = 1;\n\t\tconst cubeCamera = new PerspectiveCamera( fov, aspect, near, far );\n\t\tconst upSign = [ 1, - 1, 1, 1, 1, 1 ];\n\t\tconst forwardSign = [ 1, 1, 1, - 1, - 1, - 1 ];\n\t\tconst renderer = this._renderer;\n\n\t\tconst originalAutoClear = renderer.autoClear;\n\t\tconst toneMapping = renderer.toneMapping;\n\t\trenderer.getClearColor( _clearColor );\n\n\t\trenderer.toneMapping = NoToneMapping;\n\t\trenderer.autoClear = false;\n\n\t\tconst backgroundMaterial = new MeshBasicMaterial( {\n\t\t\tname: 'PMREM.Background',\n\t\t\tside: BackSide,\n\t\t\tdepthWrite: false,\n\t\t\tdepthTest: false,\n\t\t} );\n\n\t\tconst backgroundBox = new Mesh( new BoxGeometry(), backgroundMaterial );\n\n\t\tlet useSolidColor = false;\n\t\tconst background = scene.background;\n\n\t\tif ( background ) {\n\n\t\t\tif ( background.isColor ) {\n\n\t\t\t\tbackgroundMaterial.color.copy( background );\n\t\t\t\tscene.background = null;\n\t\t\t\tuseSolidColor = true;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tbackgroundMaterial.color.copy( _clearColor );\n\t\t\tuseSolidColor = true;\n\n\t\t}\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst col = i % 3;\n\n\t\t\tif ( col === 0 ) {\n\n\t\t\t\tcubeCamera.up.set( 0, upSign[ i ], 0 );\n\t\t\t\tcubeCamera.lookAt( forwardSign[ i ], 0, 0 );\n\n\t\t\t} else if ( col === 1 ) {\n\n\t\t\t\tcubeCamera.up.set( 0, 0, upSign[ i ] );\n\t\t\t\tcubeCamera.lookAt( 0, forwardSign[ i ], 0 );\n\n\t\t\t} else {\n\n\t\t\t\tcubeCamera.up.set( 0, upSign[ i ], 0 );\n\t\t\t\tcubeCamera.lookAt( 0, 0, forwardSign[ i ] );\n\n\t\t\t}\n\n\t\t\tconst size = this._cubeSize;\n\n\t\t\t_setViewport( cubeUVRenderTarget, col * size, i > 2 ? size : 0, size, size );\n\n\t\t\trenderer.setRenderTarget( cubeUVRenderTarget );\n\n\t\t\tif ( useSolidColor ) {\n\n\t\t\t\trenderer.render( backgroundBox, cubeCamera );\n\n\t\t\t}\n\n\t\t\trenderer.render( scene, cubeCamera );\n\n\t\t}\n\n\t\tbackgroundBox.geometry.dispose();\n\t\tbackgroundBox.material.dispose();\n\n\t\trenderer.toneMapping = toneMapping;\n\t\trenderer.autoClear = originalAutoClear;\n\t\tscene.background = background;\n\n\t}\n\n\t_textureToCubeUV( texture, cubeUVRenderTarget ) {\n\n\t\tconst renderer = this._renderer;\n\n\t\tconst isCubeTexture = ( texture.mapping === CubeReflectionMapping || texture.mapping === CubeRefractionMapping );\n\n\t\tif ( isCubeTexture ) {\n\n\t\t\tif ( this._cubemapMaterial === null ) {\n\n\t\t\t\tthis._cubemapMaterial = _getCubemapMaterial();\n\n\t\t\t}\n\n\t\t\tthis._cubemapMaterial.uniforms.flipEnvMap.value = ( texture.isRenderTargetTexture === false ) ? - 1 : 1;\n\n\t\t} else {\n\n\t\t\tif ( this._equirectMaterial === null ) {\n\n\t\t\t\tthis._equirectMaterial = _getEquirectMaterial();\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst material = isCubeTexture ? this._cubemapMaterial : this._equirectMaterial;\n\t\tconst mesh = new Mesh( this._lodPlanes[ 0 ], material );\n\n\t\tconst uniforms = material.uniforms;\n\n\t\tuniforms[ 'envMap' ].value = texture;\n\n\t\tconst size = this._cubeSize;\n\n\t\t_setViewport( cubeUVRenderTarget, 0, 0, 3 * size, 2 * size );\n\n\t\trenderer.setRenderTarget( cubeUVRenderTarget );\n\t\trenderer.render( mesh, _flatCamera );\n\n\t}\n\n\t_applyPMREM( cubeUVRenderTarget ) {\n\n\t\tconst renderer = this._renderer;\n\t\tconst autoClear = renderer.autoClear;\n\t\trenderer.autoClear = false;\n\t\tconst n = this._lodPlanes.length;\n\n\t\tfor ( let i = 1; i < n; i ++ ) {\n\n\t\t\tconst sigma = Math.sqrt( this._sigmas[ i ] * this._sigmas[ i ] - this._sigmas[ i - 1 ] * this._sigmas[ i - 1 ] );\n\n\t\t\tconst poleAxis = _axisDirections[ ( n - i - 1 ) % _axisDirections.length ];\n\n\t\t\tthis._blur( cubeUVRenderTarget, i - 1, i, sigma, poleAxis );\n\n\t\t}\n\n\t\trenderer.autoClear = autoClear;\n\n\t}\n\n\t/**\n\t * This is a two-pass Gaussian blur for a cubemap. Normally this is done\n\t * vertically and horizontally, but this breaks down on a cube. Here we apply\n\t * the blur latitudinally (around the poles), and then longitudinally (towards\n\t * the poles) to approximate the orthogonally-separable blur. It is least\n\t * accurate at the poles, but still does a decent job.\n\t *\n\t * @param {WebGLRenderTarget} cubeUVRenderTarget\n\t * @param {number} lodIn\n\t * @param {number} lodOut\n\t * @param {number} sigma\n\t * @param {Vector3} [poleAxis]\n\t */\n\t_blur( cubeUVRenderTarget, lodIn, lodOut, sigma, poleAxis ) {\n\n\t\tconst pingPongRenderTarget = this._pingPongRenderTarget;\n\n\t\tthis._halfBlur(\n\t\t\tcubeUVRenderTarget,\n\t\t\tpingPongRenderTarget,\n\t\t\tlodIn,\n\t\t\tlodOut,\n\t\t\tsigma,\n\t\t\t'latitudinal',\n\t\t\tpoleAxis );\n\n\t\tthis._halfBlur(\n\t\t\tpingPongRenderTarget,\n\t\t\tcubeUVRenderTarget,\n\t\t\tlodOut,\n\t\t\tlodOut,\n\t\t\tsigma,\n\t\t\t'longitudinal',\n\t\t\tpoleAxis );\n\n\t}\n\n\t_halfBlur( targetIn, targetOut, lodIn, lodOut, sigmaRadians, direction, poleAxis ) {\n\n\t\tconst renderer = this._renderer;\n\t\tconst blurMaterial = this._blurMaterial;\n\n\t\tif ( direction !== 'latitudinal' && direction !== 'longitudinal' ) {\n\n\t\t\tconsole.error(\n\t\t\t\t'blur direction must be either latitudinal or longitudinal!' );\n\n\t\t}\n\n\t\t// Number of standard deviations at which to cut off the discrete approximation.\n\t\tconst STANDARD_DEVIATIONS = 3;\n\n\t\tconst blurMesh = new Mesh( this._lodPlanes[ lodOut ], blurMaterial );\n\t\tconst blurUniforms = blurMaterial.uniforms;\n\n\t\tconst pixels = this._sizeLods[ lodIn ] - 1;\n\t\tconst radiansPerPixel = isFinite( sigmaRadians ) ? Math.PI / ( 2 * pixels ) : 2 * Math.PI / ( 2 * MAX_SAMPLES - 1 );\n\t\tconst sigmaPixels = sigmaRadians / radiansPerPixel;\n\t\tconst samples = isFinite( sigmaRadians ) ? 1 + Math.floor( STANDARD_DEVIATIONS * sigmaPixels ) : MAX_SAMPLES;\n\n\t\tif ( samples > MAX_SAMPLES ) {\n\n\t\t\tconsole.warn( `sigmaRadians, ${\n\t\t\t\tsigmaRadians}, is too large and will clip, as it requested ${\n\t\t\t\tsamples} samples when the maximum is set to ${MAX_SAMPLES}` );\n\n\t\t}\n\n\t\tconst weights = [];\n\t\tlet sum = 0;\n\n\t\tfor ( let i = 0; i < MAX_SAMPLES; ++ i ) {\n\n\t\t\tconst x = i / sigmaPixels;\n\t\t\tconst weight = Math.exp( - x * x / 2 );\n\t\t\tweights.push( weight );\n\n\t\t\tif ( i === 0 ) {\n\n\t\t\t\tsum += weight;\n\n\t\t\t} else if ( i < samples ) {\n\n\t\t\t\tsum += 2 * weight;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfor ( let i = 0; i < weights.length; i ++ ) {\n\n\t\t\tweights[ i ] = weights[ i ] / sum;\n\n\t\t}\n\n\t\tblurUniforms[ 'envMap' ].value = targetIn.texture;\n\t\tblurUniforms[ 'samples' ].value = samples;\n\t\tblurUniforms[ 'weights' ].value = weights;\n\t\tblurUniforms[ 'latitudinal' ].value = direction === 'latitudinal';\n\n\t\tif ( poleAxis ) {\n\n\t\t\tblurUniforms[ 'poleAxis' ].value = poleAxis;\n\n\t\t}\n\n\t\tconst { _lodMax } = this;\n\t\tblurUniforms[ 'dTheta' ].value = radiansPerPixel;\n\t\tblurUniforms[ 'mipInt' ].value = _lodMax - lodIn;\n\n\t\tconst outputSize = this._sizeLods[ lodOut ];\n\t\tconst x = 3 * outputSize * ( lodOut > _lodMax - LOD_MIN ? lodOut - _lodMax + LOD_MIN : 0 );\n\t\tconst y = 4 * ( this._cubeSize - outputSize );\n\n\t\t_setViewport( targetOut, x, y, 3 * outputSize, 2 * outputSize );\n\t\trenderer.setRenderTarget( targetOut );\n\t\trenderer.render( blurMesh, _flatCamera );\n\n\t}\n\n}\n\n\n\nfunction _createPlanes( lodMax ) {\n\n\tconst lodPlanes = [];\n\tconst sizeLods = [];\n\tconst sigmas = [];\n\n\tlet lod = lodMax;\n\n\tconst totalLods = lodMax - LOD_MIN + 1 + EXTRA_LOD_SIGMA.length;\n\n\tfor ( let i = 0; i < totalLods; i ++ ) {\n\n\t\tconst sizeLod = Math.pow( 2, lod );\n\t\tsizeLods.push( sizeLod );\n\t\tlet sigma = 1.0 / sizeLod;\n\n\t\tif ( i > lodMax - LOD_MIN ) {\n\n\t\t\tsigma = EXTRA_LOD_SIGMA[ i - lodMax + LOD_MIN - 1 ];\n\n\t\t} else if ( i === 0 ) {\n\n\t\t\tsigma = 0;\n\n\t\t}\n\n\t\tsigmas.push( sigma );\n\n\t\tconst texelSize = 1.0 / ( sizeLod - 2 );\n\t\tconst min = - texelSize;\n\t\tconst max = 1 + texelSize;\n\t\tconst uv1 = [ min, min, max, min, max, max, min, min, max, max, min, max ];\n\n\t\tconst cubeFaces = 6;\n\t\tconst vertices = 6;\n\t\tconst positionSize = 3;\n\t\tconst uvSize = 2;\n\t\tconst faceIndexSize = 1;\n\n\t\tconst position = new Float32Array( positionSize * vertices * cubeFaces );\n\t\tconst uv = new Float32Array( uvSize * vertices * cubeFaces );\n\t\tconst faceIndex = new Float32Array( faceIndexSize * vertices * cubeFaces );\n\n\t\tfor ( let face = 0; face < cubeFaces; face ++ ) {\n\n\t\t\tconst x = ( face % 3 ) * 2 / 3 - 1;\n\t\t\tconst y = face > 2 ? 0 : - 1;\n\t\t\tconst coordinates = [\n\t\t\t\tx, y, 0,\n\t\t\t\tx + 2 / 3, y, 0,\n\t\t\t\tx + 2 / 3, y + 1, 0,\n\t\t\t\tx, y, 0,\n\t\t\t\tx + 2 / 3, y + 1, 0,\n\t\t\t\tx, y + 1, 0\n\t\t\t];\n\t\t\tposition.set( coordinates, positionSize * vertices * face );\n\t\t\tuv.set( uv1, uvSize * vertices * face );\n\t\t\tconst fill = [ face, face, face, face, face, face ];\n\t\t\tfaceIndex.set( fill, faceIndexSize * vertices * face );\n\n\t\t}\n\n\t\tconst planes = new BufferGeometry();\n\t\tplanes.setAttribute( 'position', new BufferAttribute( position, positionSize ) );\n\t\tplanes.setAttribute( 'uv', new BufferAttribute( uv, uvSize ) );\n\t\tplanes.setAttribute( 'faceIndex', new BufferAttribute( faceIndex, faceIndexSize ) );\n\t\tlodPlanes.push( planes );\n\n\t\tif ( lod > LOD_MIN ) {\n\n\t\t\tlod --;\n\n\t\t}\n\n\t}\n\n\treturn { lodPlanes, sizeLods, sigmas };\n\n}\n\nfunction _createRenderTarget( width, height, params ) {\n\n\tconst cubeUVRenderTarget = new WebGLRenderTarget( width, height, params );\n\tcubeUVRenderTarget.texture.mapping = CubeUVReflectionMapping;\n\tcubeUVRenderTarget.texture.name = 'PMREM.cubeUv';\n\tcubeUVRenderTarget.scissorTest = true;\n\treturn cubeUVRenderTarget;\n\n}\n\nfunction _setViewport( target, x, y, width, height ) {\n\n\ttarget.viewport.set( x, y, width, height );\n\ttarget.scissor.set( x, y, width, height );\n\n}\n\nfunction _getBlurShader( lodMax, width, height ) {\n\n\tconst weights = new Float32Array( MAX_SAMPLES );\n\tconst poleAxis = new Vector3( 0, 1, 0 );\n\tconst shaderMaterial = new ShaderMaterial( {\n\n\t\tname: 'SphericalGaussianBlur',\n\n\t\tdefines: {\n\t\t\t'n': MAX_SAMPLES,\n\t\t\t'CUBEUV_TEXEL_WIDTH': 1.0 / width,\n\t\t\t'CUBEUV_TEXEL_HEIGHT': 1.0 / height,\n\t\t\t'CUBEUV_MAX_MIP': `${lodMax}.0`,\n\t\t},\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null },\n\t\t\t'samples': { value: 1 },\n\t\t\t'weights': { value: weights },\n\t\t\t'latitudinal': { value: false },\n\t\t\t'dTheta': { value: 0 },\n\t\t\t'mipInt': { value: 0 },\n\t\t\t'poleAxis': { value: poleAxis }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include \n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n\treturn shaderMaterial;\n\n}\n\nfunction _getEquirectMaterial() {\n\n\treturn new ShaderMaterial( {\n\n\t\tname: 'EquirectangularToCubeUV',\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\n\t\t\t#include \n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tgl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 );\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n}\n\nfunction _getCubemapMaterial() {\n\n\treturn new ShaderMaterial( {\n\n\t\tname: 'CubemapToCubeUV',\n\n\t\tuniforms: {\n\t\t\t'envMap': { value: null },\n\t\t\t'flipEnvMap': { value: - 1 }\n\t\t},\n\n\t\tvertexShader: _getCommonVertexShader(),\n\n\t\tfragmentShader: /* glsl */`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tuniform float flipEnvMap;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) );\n\n\t\t\t}\n\t\t`,\n\n\t\tblending: NoBlending,\n\t\tdepthTest: false,\n\t\tdepthWrite: false\n\n\t} );\n\n}\n\nfunction _getCommonVertexShader() {\n\n\treturn /* glsl */`\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t`;\n\n}\n\nfunction WebGLCubeUVMaps( renderer ) {\n\n\tlet cubeUVmaps = new WeakMap();\n\n\tlet pmremGenerator = null;\n\n\tfunction get( texture ) {\n\n\t\tif ( texture && texture.isTexture ) {\n\n\t\t\tconst mapping = texture.mapping;\n\n\t\t\tconst isEquirectMap = ( mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping );\n\t\t\tconst isCubeMap = ( mapping === CubeReflectionMapping || mapping === CubeRefractionMapping );\n\n\t\t\t// equirect/cube map to cubeUV conversion\n\n\t\t\tif ( isEquirectMap || isCubeMap ) {\n\n\t\t\t\tlet renderTarget = cubeUVmaps.get( texture );\n\n\t\t\t\tconst currentPMREMVersion = renderTarget !== undefined ? renderTarget.texture.pmremVersion : 0;\n\n\t\t\t\tif ( texture.isRenderTargetTexture && texture.pmremVersion !== currentPMREMVersion ) {\n\n\t\t\t\t\tif ( pmremGenerator === null ) pmremGenerator = new PMREMGenerator( renderer );\n\n\t\t\t\t\trenderTarget = isEquirectMap ? pmremGenerator.fromEquirectangular( texture, renderTarget ) : pmremGenerator.fromCubemap( texture, renderTarget );\n\t\t\t\t\trenderTarget.texture.pmremVersion = texture.pmremVersion;\n\n\t\t\t\t\tcubeUVmaps.set( texture, renderTarget );\n\n\t\t\t\t\treturn renderTarget.texture;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( renderTarget !== undefined ) {\n\n\t\t\t\t\t\treturn renderTarget.texture;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst image = texture.image;\n\n\t\t\t\t\t\tif ( ( isEquirectMap && image && image.height > 0 ) || ( isCubeMap && image && isCubeTextureComplete( image ) ) ) {\n\n\t\t\t\t\t\t\tif ( pmremGenerator === null ) pmremGenerator = new PMREMGenerator( renderer );\n\n\t\t\t\t\t\t\trenderTarget = isEquirectMap ? pmremGenerator.fromEquirectangular( texture ) : pmremGenerator.fromCubemap( texture );\n\t\t\t\t\t\t\trenderTarget.texture.pmremVersion = texture.pmremVersion;\n\n\t\t\t\t\t\t\tcubeUVmaps.set( texture, renderTarget );\n\n\t\t\t\t\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t\t\t\t\t\treturn renderTarget.texture;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// image not yet ready. try the conversion next frame\n\n\t\t\t\t\t\t\treturn null;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tfunction isCubeTextureComplete( image ) {\n\n\t\tlet count = 0;\n\t\tconst length = 6;\n\n\t\tfor ( let i = 0; i < length; i ++ ) {\n\n\t\t\tif ( image[ i ] !== undefined ) count ++;\n\n\t\t}\n\n\t\treturn count === length;\n\n\n\t}\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tconst cubemapUV = cubeUVmaps.get( texture );\n\n\t\tif ( cubemapUV !== undefined ) {\n\n\t\t\tcubeUVmaps.delete( texture );\n\t\t\tcubemapUV.dispose();\n\n\t\t}\n\n\t}\n\n\tfunction dispose() {\n\n\t\tcubeUVmaps = new WeakMap();\n\n\t\tif ( pmremGenerator !== null ) {\n\n\t\t\tpmremGenerator.dispose();\n\t\t\tpmremGenerator = null;\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction WebGLExtensions( gl ) {\n\n\tconst extensions = {};\n\n\tfunction getExtension( name ) {\n\n\t\tif ( extensions[ name ] !== undefined ) {\n\n\t\t\treturn extensions[ name ];\n\n\t\t}\n\n\t\tlet extension;\n\n\t\tswitch ( name ) {\n\n\t\t\tcase 'WEBGL_depth_texture':\n\t\t\t\textension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' );\n\t\t\t\tbreak;\n\n\t\t\tcase 'EXT_texture_filter_anisotropic':\n\t\t\t\textension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' );\n\t\t\t\tbreak;\n\n\t\t\tcase 'WEBGL_compressed_texture_s3tc':\n\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' );\n\t\t\t\tbreak;\n\n\t\t\tcase 'WEBGL_compressed_texture_pvrtc':\n\t\t\t\textension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' );\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\textension = gl.getExtension( name );\n\n\t\t}\n\n\t\textensions[ name ] = extension;\n\n\t\treturn extension;\n\n\t}\n\n\treturn {\n\n\t\thas: function ( name ) {\n\n\t\t\treturn getExtension( name ) !== null;\n\n\t\t},\n\n\t\tinit: function () {\n\n\t\t\tgetExtension( 'EXT_color_buffer_float' );\n\t\t\tgetExtension( 'WEBGL_clip_cull_distance' );\n\t\t\tgetExtension( 'OES_texture_float_linear' );\n\t\t\tgetExtension( 'EXT_color_buffer_half_float' );\n\t\t\tgetExtension( 'WEBGL_multisampled_render_to_texture' );\n\t\t\tgetExtension( 'WEBGL_render_shared_exponent' );\n\n\t\t},\n\n\t\tget: function ( name ) {\n\n\t\t\tconst extension = getExtension( name );\n\n\t\t\tif ( extension === null ) {\n\n\t\t\t\twarnOnce( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' );\n\n\t\t\t}\n\n\t\t\treturn extension;\n\n\t\t}\n\n\t};\n\n}\n\nfunction WebGLGeometries( gl, attributes, info, bindingStates ) {\n\n\tconst geometries = {};\n\tconst wireframeAttributes = new WeakMap();\n\n\tfunction onGeometryDispose( event ) {\n\n\t\tconst geometry = event.target;\n\n\t\tif ( geometry.index !== null ) {\n\n\t\t\tattributes.remove( geometry.index );\n\n\t\t}\n\n\t\tfor ( const name in geometry.attributes ) {\n\n\t\t\tattributes.remove( geometry.attributes[ name ] );\n\n\t\t}\n\n\t\tgeometry.removeEventListener( 'dispose', onGeometryDispose );\n\n\t\tdelete geometries[ geometry.id ];\n\n\t\tconst attribute = wireframeAttributes.get( geometry );\n\n\t\tif ( attribute ) {\n\n\t\t\tattributes.remove( attribute );\n\t\t\twireframeAttributes.delete( geometry );\n\n\t\t}\n\n\t\tbindingStates.releaseStatesOfGeometry( geometry );\n\n\t\tif ( geometry.isInstancedBufferGeometry === true ) {\n\n\t\t\tdelete geometry._maxInstanceCount;\n\n\t\t}\n\n\t\t//\n\n\t\tinfo.memory.geometries --;\n\n\t}\n\n\tfunction get( object, geometry ) {\n\n\t\tif ( geometries[ geometry.id ] === true ) return geometry;\n\n\t\tgeometry.addEventListener( 'dispose', onGeometryDispose );\n\n\t\tgeometries[ geometry.id ] = true;\n\n\t\tinfo.memory.geometries ++;\n\n\t\treturn geometry;\n\n\t}\n\n\tfunction update( geometry ) {\n\n\t\tconst geometryAttributes = geometry.attributes;\n\n\t\t// Updating index buffer in VAO now. See WebGLBindingStates.\n\n\t\tfor ( const name in geometryAttributes ) {\n\n\t\t\tattributes.update( geometryAttributes[ name ], gl.ARRAY_BUFFER );\n\n\t\t}\n\n\t}\n\n\tfunction updateWireframeAttribute( geometry ) {\n\n\t\tconst indices = [];\n\n\t\tconst geometryIndex = geometry.index;\n\t\tconst geometryPosition = geometry.attributes.position;\n\t\tlet version = 0;\n\n\t\tif ( geometryIndex !== null ) {\n\n\t\t\tconst array = geometryIndex.array;\n\t\t\tversion = geometryIndex.version;\n\n\t\t\tfor ( let i = 0, l = array.length; i < l; i += 3 ) {\n\n\t\t\t\tconst a = array[ i + 0 ];\n\t\t\t\tconst b = array[ i + 1 ];\n\t\t\t\tconst c = array[ i + 2 ];\n\n\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t}\n\n\t\t} else if ( geometryPosition !== undefined ) {\n\n\t\t\tconst array = geometryPosition.array;\n\t\t\tversion = geometryPosition.version;\n\n\t\t\tfor ( let i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) {\n\n\t\t\t\tconst a = i + 0;\n\t\t\t\tconst b = i + 1;\n\t\t\t\tconst c = i + 2;\n\n\t\t\t\tindices.push( a, b, b, c, c, a );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst attribute = new ( arrayNeedsUint32( indices ) ? Uint32BufferAttribute : Uint16BufferAttribute )( indices, 1 );\n\t\tattribute.version = version;\n\n\t\t// Updating index buffer in VAO now. See WebGLBindingStates\n\n\t\t//\n\n\t\tconst previousAttribute = wireframeAttributes.get( geometry );\n\n\t\tif ( previousAttribute ) attributes.remove( previousAttribute );\n\n\t\t//\n\n\t\twireframeAttributes.set( geometry, attribute );\n\n\t}\n\n\tfunction getWireframeAttribute( geometry ) {\n\n\t\tconst currentAttribute = wireframeAttributes.get( geometry );\n\n\t\tif ( currentAttribute ) {\n\n\t\t\tconst geometryIndex = geometry.index;\n\n\t\t\tif ( geometryIndex !== null ) {\n\n\t\t\t\t// if the attribute is obsolete, create a new one\n\n\t\t\t\tif ( currentAttribute.version < geometryIndex.version ) {\n\n\t\t\t\t\tupdateWireframeAttribute( geometry );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tupdateWireframeAttribute( geometry );\n\n\t\t}\n\n\t\treturn wireframeAttributes.get( geometry );\n\n\t}\n\n\treturn {\n\n\t\tget: get,\n\t\tupdate: update,\n\n\t\tgetWireframeAttribute: getWireframeAttribute\n\n\t};\n\n}\n\nfunction WebGLIndexedBufferRenderer( gl, extensions, info ) {\n\n\tlet mode;\n\n\tfunction setMode( value ) {\n\n\t\tmode = value;\n\n\t}\n\n\tlet type, bytesPerElement;\n\n\tfunction setIndex( value ) {\n\n\t\ttype = value.type;\n\t\tbytesPerElement = value.bytesPerElement;\n\n\t}\n\n\tfunction render( start, count ) {\n\n\t\tgl.drawElements( mode, count, type, start * bytesPerElement );\n\n\t\tinfo.update( count, mode, 1 );\n\n\t}\n\n\tfunction renderInstances( start, count, primcount ) {\n\n\t\tif ( primcount === 0 ) return;\n\n\t\tgl.drawElementsInstanced( mode, count, type, start * bytesPerElement, primcount );\n\n\t\tinfo.update( count, mode, primcount );\n\n\t}\n\n\tfunction renderMultiDraw( starts, counts, drawCount ) {\n\n\t\tif ( drawCount === 0 ) return;\n\n\t\tconst extension = extensions.get( 'WEBGL_multi_draw' );\n\t\textension.multiDrawElementsWEBGL( mode, counts, 0, type, starts, 0, drawCount );\n\n\t\tlet elementCount = 0;\n\t\tfor ( let i = 0; i < drawCount; i ++ ) {\n\n\t\t\telementCount += counts[ i ];\n\n\t\t}\n\n\t\tinfo.update( elementCount, mode, 1 );\n\n\n\t}\n\n\tfunction renderMultiDrawInstances( starts, counts, drawCount, primcount ) {\n\n\t\tif ( drawCount === 0 ) return;\n\n\t\tconst extension = extensions.get( 'WEBGL_multi_draw' );\n\n\t\tif ( extension === null ) {\n\n\t\t\tfor ( let i = 0; i < starts.length; i ++ ) {\n\n\t\t\t\trenderInstances( starts[ i ] / bytesPerElement, counts[ i ], primcount[ i ] );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\textension.multiDrawElementsInstancedWEBGL( mode, counts, 0, type, starts, 0, primcount, 0, drawCount );\n\n\t\t\tlet elementCount = 0;\n\t\t\tfor ( let i = 0; i < drawCount; i ++ ) {\n\n\t\t\t\telementCount += counts[ i ] * primcount[ i ];\n\n\t\t\t}\n\n\t\t\tinfo.update( elementCount, mode, 1 );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tthis.setMode = setMode;\n\tthis.setIndex = setIndex;\n\tthis.render = render;\n\tthis.renderInstances = renderInstances;\n\tthis.renderMultiDraw = renderMultiDraw;\n\tthis.renderMultiDrawInstances = renderMultiDrawInstances;\n\n}\n\nfunction WebGLInfo( gl ) {\n\n\tconst memory = {\n\t\tgeometries: 0,\n\t\ttextures: 0\n\t};\n\n\tconst render = {\n\t\tframe: 0,\n\t\tcalls: 0,\n\t\ttriangles: 0,\n\t\tpoints: 0,\n\t\tlines: 0\n\t};\n\n\tfunction update( count, mode, instanceCount ) {\n\n\t\trender.calls ++;\n\n\t\tswitch ( mode ) {\n\n\t\t\tcase gl.TRIANGLES:\n\t\t\t\trender.triangles += instanceCount * ( count / 3 );\n\t\t\t\tbreak;\n\n\t\t\tcase gl.LINES:\n\t\t\t\trender.lines += instanceCount * ( count / 2 );\n\t\t\t\tbreak;\n\n\t\t\tcase gl.LINE_STRIP:\n\t\t\t\trender.lines += instanceCount * ( count - 1 );\n\t\t\t\tbreak;\n\n\t\t\tcase gl.LINE_LOOP:\n\t\t\t\trender.lines += instanceCount * count;\n\t\t\t\tbreak;\n\n\t\t\tcase gl.POINTS:\n\t\t\t\trender.points += instanceCount * count;\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tconsole.error( 'THREE.WebGLInfo: Unknown draw mode:', mode );\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\tfunction reset() {\n\n\t\trender.calls = 0;\n\t\trender.triangles = 0;\n\t\trender.points = 0;\n\t\trender.lines = 0;\n\n\t}\n\n\treturn {\n\t\tmemory: memory,\n\t\trender: render,\n\t\tprograms: null,\n\t\tautoReset: true,\n\t\treset: reset,\n\t\tupdate: update\n\t};\n\n}\n\nfunction WebGLMorphtargets( gl, capabilities, textures ) {\n\n\tconst morphTextures = new WeakMap();\n\tconst morph = new Vector4();\n\n\tfunction update( object, geometry, program ) {\n\n\t\tconst objectInfluences = object.morphTargetInfluences;\n\n\t\t// the following encodes morph targets into an array of data textures. Each layer represents a single morph target.\n\n\t\tconst morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color;\n\t\tconst morphTargetsCount = ( morphAttribute !== undefined ) ? morphAttribute.length : 0;\n\n\t\tlet entry = morphTextures.get( geometry );\n\n\t\tif ( entry === undefined || entry.count !== morphTargetsCount ) {\n\n\t\t\tif ( entry !== undefined ) entry.texture.dispose();\n\n\t\t\tconst hasMorphPosition = geometry.morphAttributes.position !== undefined;\n\t\t\tconst hasMorphNormals = geometry.morphAttributes.normal !== undefined;\n\t\t\tconst hasMorphColors = geometry.morphAttributes.color !== undefined;\n\n\t\t\tconst morphTargets = geometry.morphAttributes.position || [];\n\t\t\tconst morphNormals = geometry.morphAttributes.normal || [];\n\t\t\tconst morphColors = geometry.morphAttributes.color || [];\n\n\t\t\tlet vertexDataCount = 0;\n\n\t\t\tif ( hasMorphPosition === true ) vertexDataCount = 1;\n\t\t\tif ( hasMorphNormals === true ) vertexDataCount = 2;\n\t\t\tif ( hasMorphColors === true ) vertexDataCount = 3;\n\n\t\t\tlet width = geometry.attributes.position.count * vertexDataCount;\n\t\t\tlet height = 1;\n\n\t\t\tif ( width > capabilities.maxTextureSize ) {\n\n\t\t\t\theight = Math.ceil( width / capabilities.maxTextureSize );\n\t\t\t\twidth = capabilities.maxTextureSize;\n\n\t\t\t}\n\n\t\t\tconst buffer = new Float32Array( width * height * 4 * morphTargetsCount );\n\n\t\t\tconst texture = new DataArrayTexture( buffer, width, height, morphTargetsCount );\n\t\t\ttexture.type = FloatType;\n\t\t\ttexture.needsUpdate = true;\n\n\t\t\t// fill buffer\n\n\t\t\tconst vertexDataStride = vertexDataCount * 4;\n\n\t\t\tfor ( let i = 0; i < morphTargetsCount; i ++ ) {\n\n\t\t\t\tconst morphTarget = morphTargets[ i ];\n\t\t\t\tconst morphNormal = morphNormals[ i ];\n\t\t\t\tconst morphColor = morphColors[ i ];\n\n\t\t\t\tconst offset = width * height * 4 * i;\n\n\t\t\t\tfor ( let j = 0; j < morphTarget.count; j ++ ) {\n\n\t\t\t\t\tconst stride = j * vertexDataStride;\n\n\t\t\t\t\tif ( hasMorphPosition === true ) {\n\n\t\t\t\t\t\tmorph.fromBufferAttribute( morphTarget, j );\n\n\t\t\t\t\t\tbuffer[ offset + stride + 0 ] = morph.x;\n\t\t\t\t\t\tbuffer[ offset + stride + 1 ] = morph.y;\n\t\t\t\t\t\tbuffer[ offset + stride + 2 ] = morph.z;\n\t\t\t\t\t\tbuffer[ offset + stride + 3 ] = 0;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( hasMorphNormals === true ) {\n\n\t\t\t\t\t\tmorph.fromBufferAttribute( morphNormal, j );\n\n\t\t\t\t\t\tbuffer[ offset + stride + 4 ] = morph.x;\n\t\t\t\t\t\tbuffer[ offset + stride + 5 ] = morph.y;\n\t\t\t\t\t\tbuffer[ offset + stride + 6 ] = morph.z;\n\t\t\t\t\t\tbuffer[ offset + stride + 7 ] = 0;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( hasMorphColors === true ) {\n\n\t\t\t\t\t\tmorph.fromBufferAttribute( morphColor, j );\n\n\t\t\t\t\t\tbuffer[ offset + stride + 8 ] = morph.x;\n\t\t\t\t\t\tbuffer[ offset + stride + 9 ] = morph.y;\n\t\t\t\t\t\tbuffer[ offset + stride + 10 ] = morph.z;\n\t\t\t\t\t\tbuffer[ offset + stride + 11 ] = ( morphColor.itemSize === 4 ) ? morph.w : 1;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tentry = {\n\t\t\t\tcount: morphTargetsCount,\n\t\t\t\ttexture: texture,\n\t\t\t\tsize: new Vector2( width, height )\n\t\t\t};\n\n\t\t\tmorphTextures.set( geometry, entry );\n\n\t\t\tfunction disposeTexture() {\n\n\t\t\t\ttexture.dispose();\n\n\t\t\t\tmorphTextures.delete( geometry );\n\n\t\t\t\tgeometry.removeEventListener( 'dispose', disposeTexture );\n\n\t\t\t}\n\n\t\t\tgeometry.addEventListener( 'dispose', disposeTexture );\n\n\t\t}\n\n\t\t//\n\t\tif ( object.isInstancedMesh === true && object.morphTexture !== null ) {\n\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTexture', object.morphTexture, textures );\n\n\t\t} else {\n\n\t\t\tlet morphInfluencesSum = 0;\n\n\t\t\tfor ( let i = 0; i < objectInfluences.length; i ++ ) {\n\n\t\t\t\tmorphInfluencesSum += objectInfluences[ i ];\n\n\t\t\t}\n\n\t\t\tconst morphBaseInfluence = geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum;\n\n\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetBaseInfluence', morphBaseInfluence );\n\t\t\tprogram.getUniforms().setValue( gl, 'morphTargetInfluences', objectInfluences );\n\n\t\t}\n\n\t\tprogram.getUniforms().setValue( gl, 'morphTargetsTexture', entry.texture, textures );\n\t\tprogram.getUniforms().setValue( gl, 'morphTargetsTextureSize', entry.size );\n\n\t}\n\n\treturn {\n\n\t\tupdate: update\n\n\t};\n\n}\n\nfunction WebGLObjects( gl, geometries, attributes, info ) {\n\n\tlet updateMap = new WeakMap();\n\n\tfunction update( object ) {\n\n\t\tconst frame = info.render.frame;\n\n\t\tconst geometry = object.geometry;\n\t\tconst buffergeometry = geometries.get( object, geometry );\n\n\t\t// Update once per frame\n\n\t\tif ( updateMap.get( buffergeometry ) !== frame ) {\n\n\t\t\tgeometries.update( buffergeometry );\n\n\t\t\tupdateMap.set( buffergeometry, frame );\n\n\t\t}\n\n\t\tif ( object.isInstancedMesh ) {\n\n\t\t\tif ( object.hasEventListener( 'dispose', onInstancedMeshDispose ) === false ) {\n\n\t\t\t\tobject.addEventListener( 'dispose', onInstancedMeshDispose );\n\n\t\t\t}\n\n\t\t\tif ( updateMap.get( object ) !== frame ) {\n\n\t\t\t\tattributes.update( object.instanceMatrix, gl.ARRAY_BUFFER );\n\n\t\t\t\tif ( object.instanceColor !== null ) {\n\n\t\t\t\t\tattributes.update( object.instanceColor, gl.ARRAY_BUFFER );\n\n\t\t\t\t}\n\n\t\t\t\tupdateMap.set( object, frame );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\tconst skeleton = object.skeleton;\n\n\t\t\tif ( updateMap.get( skeleton ) !== frame ) {\n\n\t\t\t\tskeleton.update();\n\n\t\t\t\tupdateMap.set( skeleton, frame );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn buffergeometry;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tupdateMap = new WeakMap();\n\n\t}\n\n\tfunction onInstancedMeshDispose( event ) {\n\n\t\tconst instancedMesh = event.target;\n\n\t\tinstancedMesh.removeEventListener( 'dispose', onInstancedMeshDispose );\n\n\t\tattributes.remove( instancedMesh.instanceMatrix );\n\n\t\tif ( instancedMesh.instanceColor !== null ) attributes.remove( instancedMesh.instanceColor );\n\n\t}\n\n\treturn {\n\n\t\tupdate: update,\n\t\tdispose: dispose\n\n\t};\n\n}\n\n/**\n * Uniforms of a program.\n * Those form a tree structure with a special top-level container for the root,\n * which you get by calling 'new WebGLUniforms( gl, program )'.\n *\n *\n * Properties of inner nodes including the top-level container:\n *\n * .seq - array of nested uniforms\n * .map - nested uniforms by name\n *\n *\n * Methods of all nodes except the top-level container:\n *\n * .setValue( gl, value, [textures] )\n *\n * \t\tuploads a uniform value(s)\n * \tthe 'textures' parameter is needed for sampler uniforms\n *\n *\n * Static methods of the top-level container (textures factorizations):\n *\n * .upload( gl, seq, values, textures )\n *\n * \t\tsets uniforms in 'seq' to 'values[id].value'\n *\n * .seqWithValue( seq, values ) : filteredSeq\n *\n * \t\tfilters 'seq' entries with corresponding entry in values\n *\n *\n * Methods of the top-level container (textures factorizations):\n *\n * .setValue( gl, name, value, textures )\n *\n * \t\tsets uniform with name 'name' to 'value'\n *\n * .setOptional( gl, obj, prop )\n *\n * \t\tlike .set for an optional property of the object\n *\n */\n\n\nconst emptyTexture = /*@__PURE__*/ new Texture();\n\nconst emptyShadowTexture = /*@__PURE__*/ new DepthTexture( 1, 1 );\n\nconst emptyArrayTexture = /*@__PURE__*/ new DataArrayTexture();\nconst empty3dTexture = /*@__PURE__*/ new Data3DTexture();\nconst emptyCubeTexture = /*@__PURE__*/ new CubeTexture();\n\n// --- Utilities ---\n\n// Array Caches (provide typed arrays for temporary by size)\n\nconst arrayCacheF32 = [];\nconst arrayCacheI32 = [];\n\n// Float32Array caches used for uploading Matrix uniforms\n\nconst mat4array = new Float32Array( 16 );\nconst mat3array = new Float32Array( 9 );\nconst mat2array = new Float32Array( 4 );\n\n// Flattening for arrays of vectors and matrices\n\nfunction flatten( array, nBlocks, blockSize ) {\n\n\tconst firstElem = array[ 0 ];\n\n\tif ( firstElem <= 0 || firstElem > 0 ) return array;\n\t// unoptimized: ! isNaN( firstElem )\n\t// see http://jacksondunstan.com/articles/983\n\n\tconst n = nBlocks * blockSize;\n\tlet r = arrayCacheF32[ n ];\n\n\tif ( r === undefined ) {\n\n\t\tr = new Float32Array( n );\n\t\tarrayCacheF32[ n ] = r;\n\n\t}\n\n\tif ( nBlocks !== 0 ) {\n\n\t\tfirstElem.toArray( r, 0 );\n\n\t\tfor ( let i = 1, offset = 0; i !== nBlocks; ++ i ) {\n\n\t\t\toffset += blockSize;\n\t\t\tarray[ i ].toArray( r, offset );\n\n\t\t}\n\n\t}\n\n\treturn r;\n\n}\n\nfunction arraysEqual( a, b ) {\n\n\tif ( a.length !== b.length ) return false;\n\n\tfor ( let i = 0, l = a.length; i < l; i ++ ) {\n\n\t\tif ( a[ i ] !== b[ i ] ) return false;\n\n\t}\n\n\treturn true;\n\n}\n\nfunction copyArray( a, b ) {\n\n\tfor ( let i = 0, l = b.length; i < l; i ++ ) {\n\n\t\ta[ i ] = b[ i ];\n\n\t}\n\n}\n\n// Texture unit allocation\n\nfunction allocTexUnits( textures, n ) {\n\n\tlet r = arrayCacheI32[ n ];\n\n\tif ( r === undefined ) {\n\n\t\tr = new Int32Array( n );\n\t\tarrayCacheI32[ n ] = r;\n\n\t}\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\tr[ i ] = textures.allocateTextureUnit();\n\n\t}\n\n\treturn r;\n\n}\n\n// --- Setters ---\n\n// Note: Defining these methods externally, because they come in a bunch\n// and this way their names minify.\n\n// Single scalar\n\nfunction setValueV1f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1f( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single float vector (from flat array or THREE.VectorN)\n\nfunction setValueV2f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y ) {\n\n\t\t\tgl.uniform2f( this.addr, v.x, v.y );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform2fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV3f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z ) {\n\n\t\t\tgl.uniform3f( this.addr, v.x, v.y, v.z );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\n\t\t}\n\n\t} else if ( v.r !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.r || cache[ 1 ] !== v.g || cache[ 2 ] !== v.b ) {\n\n\t\t\tgl.uniform3f( this.addr, v.r, v.g, v.b );\n\n\t\t\tcache[ 0 ] = v.r;\n\t\t\tcache[ 1 ] = v.g;\n\t\t\tcache[ 2 ] = v.b;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform3fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV4f( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z || cache[ 3 ] !== v.w ) {\n\n\t\t\tgl.uniform4f( this.addr, v.x, v.y, v.z, v.w );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\t\t\tcache[ 3 ] = v.w;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform4fv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\n// Single matrix (from flat array or THREE.MatrixN)\n\nfunction setValueM2( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix2fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat2array.set( elements );\n\n\t\tgl.uniformMatrix2fv( this.addr, false, mat2array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\nfunction setValueM3( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix3fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat3array.set( elements );\n\n\t\tgl.uniformMatrix3fv( this.addr, false, mat3array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\nfunction setValueM4( gl, v ) {\n\n\tconst cache = this.cache;\n\tconst elements = v.elements;\n\n\tif ( elements === undefined ) {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniformMatrix4fv( this.addr, false, v );\n\n\t\tcopyArray( cache, v );\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, elements ) ) return;\n\n\t\tmat4array.set( elements );\n\n\t\tgl.uniformMatrix4fv( this.addr, false, mat4array );\n\n\t\tcopyArray( cache, elements );\n\n\t}\n\n}\n\n// Single integer / boolean\n\nfunction setValueV1i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1i( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single integer / boolean vector (from flat array or THREE.VectorN)\n\nfunction setValueV2i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y ) {\n\n\t\t\tgl.uniform2i( this.addr, v.x, v.y );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform2iv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV3i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z ) {\n\n\t\t\tgl.uniform3i( this.addr, v.x, v.y, v.z );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform3iv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV4i( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z || cache[ 3 ] !== v.w ) {\n\n\t\t\tgl.uniform4i( this.addr, v.x, v.y, v.z, v.w );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\t\t\tcache[ 3 ] = v.w;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform4iv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\n// Single unsigned integer\n\nfunction setValueV1ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( cache[ 0 ] === v ) return;\n\n\tgl.uniform1ui( this.addr, v );\n\n\tcache[ 0 ] = v;\n\n}\n\n// Single unsigned integer vector (from flat array or THREE.VectorN)\n\nfunction setValueV2ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y ) {\n\n\t\t\tgl.uniform2ui( this.addr, v.x, v.y );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform2uiv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV3ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z ) {\n\n\t\t\tgl.uniform3ui( this.addr, v.x, v.y, v.z );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform3uiv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\nfunction setValueV4ui( gl, v ) {\n\n\tconst cache = this.cache;\n\n\tif ( v.x !== undefined ) {\n\n\t\tif ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z || cache[ 3 ] !== v.w ) {\n\n\t\t\tgl.uniform4ui( this.addr, v.x, v.y, v.z, v.w );\n\n\t\t\tcache[ 0 ] = v.x;\n\t\t\tcache[ 1 ] = v.y;\n\t\t\tcache[ 2 ] = v.z;\n\t\t\tcache[ 3 ] = v.w;\n\n\t\t}\n\n\t} else {\n\n\t\tif ( arraysEqual( cache, v ) ) return;\n\n\t\tgl.uniform4uiv( this.addr, v );\n\n\t\tcopyArray( cache, v );\n\n\t}\n\n}\n\n\n// Single texture (2D / Cube)\n\nfunction setValueT1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\tlet emptyTexture2D;\n\n\tif ( this.type === gl.SAMPLER_2D_SHADOW ) {\n\n\t\temptyShadowTexture.compareFunction = LessEqualCompare; // #28670\n\t\temptyTexture2D = emptyShadowTexture;\n\n\t} else {\n\n\t\temptyTexture2D = emptyTexture;\n\n\t}\n\n\ttextures.setTexture2D( v || emptyTexture2D, unit );\n\n}\n\nfunction setValueT3D1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.setTexture3D( v || empty3dTexture, unit );\n\n}\n\nfunction setValueT6( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.setTextureCube( v || emptyCubeTexture, unit );\n\n}\n\nfunction setValueT2DArray1( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\tconst unit = textures.allocateTextureUnit();\n\n\tif ( cache[ 0 ] !== unit ) {\n\n\t\tgl.uniform1i( this.addr, unit );\n\t\tcache[ 0 ] = unit;\n\n\t}\n\n\ttextures.setTexture2DArray( v || emptyArrayTexture, unit );\n\n}\n\n// Helper to pick the right setter for the singular case\n\nfunction getSingularSetter( type ) {\n\n\tswitch ( type ) {\n\n\t\tcase 0x1406: return setValueV1f; // FLOAT\n\t\tcase 0x8b50: return setValueV2f; // _VEC2\n\t\tcase 0x8b51: return setValueV3f; // _VEC3\n\t\tcase 0x8b52: return setValueV4f; // _VEC4\n\n\t\tcase 0x8b5a: return setValueM2; // _MAT2\n\t\tcase 0x8b5b: return setValueM3; // _MAT3\n\t\tcase 0x8b5c: return setValueM4; // _MAT4\n\n\t\tcase 0x1404: case 0x8b56: return setValueV1i; // INT, BOOL\n\t\tcase 0x8b53: case 0x8b57: return setValueV2i; // _VEC2\n\t\tcase 0x8b54: case 0x8b58: return setValueV3i; // _VEC3\n\t\tcase 0x8b55: case 0x8b59: return setValueV4i; // _VEC4\n\n\t\tcase 0x1405: return setValueV1ui; // UINT\n\t\tcase 0x8dc6: return setValueV2ui; // _VEC2\n\t\tcase 0x8dc7: return setValueV3ui; // _VEC3\n\t\tcase 0x8dc8: return setValueV4ui; // _VEC4\n\n\t\tcase 0x8b5e: // SAMPLER_2D\n\t\tcase 0x8d66: // SAMPLER_EXTERNAL_OES\n\t\tcase 0x8dca: // INT_SAMPLER_2D\n\t\tcase 0x8dd2: // UNSIGNED_INT_SAMPLER_2D\n\t\tcase 0x8b62: // SAMPLER_2D_SHADOW\n\t\t\treturn setValueT1;\n\n\t\tcase 0x8b5f: // SAMPLER_3D\n\t\tcase 0x8dcb: // INT_SAMPLER_3D\n\t\tcase 0x8dd3: // UNSIGNED_INT_SAMPLER_3D\n\t\t\treturn setValueT3D1;\n\n\t\tcase 0x8b60: // SAMPLER_CUBE\n\t\tcase 0x8dcc: // INT_SAMPLER_CUBE\n\t\tcase 0x8dd4: // UNSIGNED_INT_SAMPLER_CUBE\n\t\tcase 0x8dc5: // SAMPLER_CUBE_SHADOW\n\t\t\treturn setValueT6;\n\n\t\tcase 0x8dc1: // SAMPLER_2D_ARRAY\n\t\tcase 0x8dcf: // INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dd7: // UNSIGNED_INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dc4: // SAMPLER_2D_ARRAY_SHADOW\n\t\t\treturn setValueT2DArray1;\n\n\t}\n\n}\n\n\n// Array of scalars\n\nfunction setValueV1fArray( gl, v ) {\n\n\tgl.uniform1fv( this.addr, v );\n\n}\n\n// Array of vectors (from flat array or array of THREE.VectorN)\n\nfunction setValueV2fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 2 );\n\n\tgl.uniform2fv( this.addr, data );\n\n}\n\nfunction setValueV3fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 3 );\n\n\tgl.uniform3fv( this.addr, data );\n\n}\n\nfunction setValueV4fArray( gl, v ) {\n\n\tconst data = flatten( v, this.size, 4 );\n\n\tgl.uniform4fv( this.addr, data );\n\n}\n\n// Array of matrices (from flat array or array of THREE.MatrixN)\n\nfunction setValueM2Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 4 );\n\n\tgl.uniformMatrix2fv( this.addr, false, data );\n\n}\n\nfunction setValueM3Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 9 );\n\n\tgl.uniformMatrix3fv( this.addr, false, data );\n\n}\n\nfunction setValueM4Array( gl, v ) {\n\n\tconst data = flatten( v, this.size, 16 );\n\n\tgl.uniformMatrix4fv( this.addr, false, data );\n\n}\n\n// Array of integer / boolean\n\nfunction setValueV1iArray( gl, v ) {\n\n\tgl.uniform1iv( this.addr, v );\n\n}\n\n// Array of integer / boolean vectors (from flat array)\n\nfunction setValueV2iArray( gl, v ) {\n\n\tgl.uniform2iv( this.addr, v );\n\n}\n\nfunction setValueV3iArray( gl, v ) {\n\n\tgl.uniform3iv( this.addr, v );\n\n}\n\nfunction setValueV4iArray( gl, v ) {\n\n\tgl.uniform4iv( this.addr, v );\n\n}\n\n// Array of unsigned integer\n\nfunction setValueV1uiArray( gl, v ) {\n\n\tgl.uniform1uiv( this.addr, v );\n\n}\n\n// Array of unsigned integer vectors (from flat array)\n\nfunction setValueV2uiArray( gl, v ) {\n\n\tgl.uniform2uiv( this.addr, v );\n\n}\n\nfunction setValueV3uiArray( gl, v ) {\n\n\tgl.uniform3uiv( this.addr, v );\n\n}\n\nfunction setValueV4uiArray( gl, v ) {\n\n\tgl.uniform4uiv( this.addr, v );\n\n}\n\n\n// Array of textures (2D / 3D / Cube / 2DArray)\n\nfunction setValueT1Array( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tif ( ! arraysEqual( cache, units ) ) {\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tcopyArray( cache, units );\n\n\t}\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTexture2D( v[ i ] || emptyTexture, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT3DArray( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tif ( ! arraysEqual( cache, units ) ) {\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tcopyArray( cache, units );\n\n\t}\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTexture3D( v[ i ] || empty3dTexture, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT6Array( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tif ( ! arraysEqual( cache, units ) ) {\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tcopyArray( cache, units );\n\n\t}\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTextureCube( v[ i ] || emptyCubeTexture, units[ i ] );\n\n\t}\n\n}\n\nfunction setValueT2DArrayArray( gl, v, textures ) {\n\n\tconst cache = this.cache;\n\n\tconst n = v.length;\n\n\tconst units = allocTexUnits( textures, n );\n\n\tif ( ! arraysEqual( cache, units ) ) {\n\n\t\tgl.uniform1iv( this.addr, units );\n\n\t\tcopyArray( cache, units );\n\n\t}\n\n\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\ttextures.setTexture2DArray( v[ i ] || emptyArrayTexture, units[ i ] );\n\n\t}\n\n}\n\n\n// Helper to pick the right setter for a pure (bottom-level) array\n\nfunction getPureArraySetter( type ) {\n\n\tswitch ( type ) {\n\n\t\tcase 0x1406: return setValueV1fArray; // FLOAT\n\t\tcase 0x8b50: return setValueV2fArray; // _VEC2\n\t\tcase 0x8b51: return setValueV3fArray; // _VEC3\n\t\tcase 0x8b52: return setValueV4fArray; // _VEC4\n\n\t\tcase 0x8b5a: return setValueM2Array; // _MAT2\n\t\tcase 0x8b5b: return setValueM3Array; // _MAT3\n\t\tcase 0x8b5c: return setValueM4Array; // _MAT4\n\n\t\tcase 0x1404: case 0x8b56: return setValueV1iArray; // INT, BOOL\n\t\tcase 0x8b53: case 0x8b57: return setValueV2iArray; // _VEC2\n\t\tcase 0x8b54: case 0x8b58: return setValueV3iArray; // _VEC3\n\t\tcase 0x8b55: case 0x8b59: return setValueV4iArray; // _VEC4\n\n\t\tcase 0x1405: return setValueV1uiArray; // UINT\n\t\tcase 0x8dc6: return setValueV2uiArray; // _VEC2\n\t\tcase 0x8dc7: return setValueV3uiArray; // _VEC3\n\t\tcase 0x8dc8: return setValueV4uiArray; // _VEC4\n\n\t\tcase 0x8b5e: // SAMPLER_2D\n\t\tcase 0x8d66: // SAMPLER_EXTERNAL_OES\n\t\tcase 0x8dca: // INT_SAMPLER_2D\n\t\tcase 0x8dd2: // UNSIGNED_INT_SAMPLER_2D\n\t\tcase 0x8b62: // SAMPLER_2D_SHADOW\n\t\t\treturn setValueT1Array;\n\n\t\tcase 0x8b5f: // SAMPLER_3D\n\t\tcase 0x8dcb: // INT_SAMPLER_3D\n\t\tcase 0x8dd3: // UNSIGNED_INT_SAMPLER_3D\n\t\t\treturn setValueT3DArray;\n\n\t\tcase 0x8b60: // SAMPLER_CUBE\n\t\tcase 0x8dcc: // INT_SAMPLER_CUBE\n\t\tcase 0x8dd4: // UNSIGNED_INT_SAMPLER_CUBE\n\t\tcase 0x8dc5: // SAMPLER_CUBE_SHADOW\n\t\t\treturn setValueT6Array;\n\n\t\tcase 0x8dc1: // SAMPLER_2D_ARRAY\n\t\tcase 0x8dcf: // INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dd7: // UNSIGNED_INT_SAMPLER_2D_ARRAY\n\t\tcase 0x8dc4: // SAMPLER_2D_ARRAY_SHADOW\n\t\t\treturn setValueT2DArrayArray;\n\n\t}\n\n}\n\n// --- Uniform Classes ---\n\nclass SingleUniform {\n\n\tconstructor( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.cache = [];\n\t\tthis.type = activeInfo.type;\n\t\tthis.setValue = getSingularSetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n}\n\nclass PureArrayUniform {\n\n\tconstructor( id, activeInfo, addr ) {\n\n\t\tthis.id = id;\n\t\tthis.addr = addr;\n\t\tthis.cache = [];\n\t\tthis.type = activeInfo.type;\n\t\tthis.size = activeInfo.size;\n\t\tthis.setValue = getPureArraySetter( activeInfo.type );\n\n\t\t// this.path = activeInfo.name; // DEBUG\n\n\t}\n\n}\n\nclass StructuredUniform {\n\n\tconstructor( id ) {\n\n\t\tthis.id = id;\n\n\t\tthis.seq = [];\n\t\tthis.map = {};\n\n\t}\n\n\tsetValue( gl, value, textures ) {\n\n\t\tconst seq = this.seq;\n\n\t\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tconst u = seq[ i ];\n\t\t\tu.setValue( gl, value[ u.id ], textures );\n\n\t\t}\n\n\t}\n\n}\n\n// --- Top-level ---\n\n// Parser - builds up the property tree from the path strings\n\nconst RePathPart = /(\\w+)(\\])?(\\[|\\.)?/g;\n\n// extracts\n// \t- the identifier (member name or array index)\n// - followed by an optional right bracket (found when array index)\n// - followed by an optional left bracket or dot (type of subscript)\n//\n// Note: These portions can be read in a non-overlapping fashion and\n// allow straightforward parsing of the hierarchy that WebGL encodes\n// in the uniform names.\n\nfunction addUniform( container, uniformObject ) {\n\n\tcontainer.seq.push( uniformObject );\n\tcontainer.map[ uniformObject.id ] = uniformObject;\n\n}\n\nfunction parseUniform( activeInfo, addr, container ) {\n\n\tconst path = activeInfo.name,\n\t\tpathLength = path.length;\n\n\t// reset RegExp object, because of the early exit of a previous run\n\tRePathPart.lastIndex = 0;\n\n\twhile ( true ) {\n\n\t\tconst match = RePathPart.exec( path ),\n\t\t\tmatchEnd = RePathPart.lastIndex;\n\n\t\tlet id = match[ 1 ];\n\t\tconst idIsIndex = match[ 2 ] === ']',\n\t\t\tsubscript = match[ 3 ];\n\n\t\tif ( idIsIndex ) id = id | 0; // convert to integer\n\n\t\tif ( subscript === undefined || subscript === '[' && matchEnd + 2 === pathLength ) {\n\n\t\t\t// bare name or \"pure\" bottom-level array \"[0]\" suffix\n\n\t\t\taddUniform( container, subscript === undefined ?\n\t\t\t\tnew SingleUniform( id, activeInfo, addr ) :\n\t\t\t\tnew PureArrayUniform( id, activeInfo, addr ) );\n\n\t\t\tbreak;\n\n\t\t} else {\n\n\t\t\t// step into inner node / create it in case it doesn't exist\n\n\t\t\tconst map = container.map;\n\t\t\tlet next = map[ id ];\n\n\t\t\tif ( next === undefined ) {\n\n\t\t\t\tnext = new StructuredUniform( id );\n\t\t\t\taddUniform( container, next );\n\n\t\t\t}\n\n\t\t\tcontainer = next;\n\n\t\t}\n\n\t}\n\n}\n\n// Root Container\n\nclass WebGLUniforms {\n\n\tconstructor( gl, program ) {\n\n\t\tthis.seq = [];\n\t\tthis.map = {};\n\n\t\tconst n = gl.getProgramParameter( program, gl.ACTIVE_UNIFORMS );\n\n\t\tfor ( let i = 0; i < n; ++ i ) {\n\n\t\t\tconst info = gl.getActiveUniform( program, i ),\n\t\t\t\taddr = gl.getUniformLocation( program, info.name );\n\n\t\t\tparseUniform( info, addr, this );\n\n\t\t}\n\n\t}\n\n\tsetValue( gl, name, value, textures ) {\n\n\t\tconst u = this.map[ name ];\n\n\t\tif ( u !== undefined ) u.setValue( gl, value, textures );\n\n\t}\n\n\tsetOptional( gl, object, name ) {\n\n\t\tconst v = object[ name ];\n\n\t\tif ( v !== undefined ) this.setValue( gl, name, v );\n\n\t}\n\n\tstatic upload( gl, seq, values, textures ) {\n\n\t\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tconst u = seq[ i ],\n\t\t\t\tv = values[ u.id ];\n\n\t\t\tif ( v.needsUpdate !== false ) {\n\n\t\t\t\t// note: always updating when .needsUpdate is undefined\n\t\t\t\tu.setValue( gl, v.value, textures );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tstatic seqWithValue( seq, values ) {\n\n\t\tconst r = [];\n\n\t\tfor ( let i = 0, n = seq.length; i !== n; ++ i ) {\n\n\t\t\tconst u = seq[ i ];\n\t\t\tif ( u.id in values ) r.push( u );\n\n\t\t}\n\n\t\treturn r;\n\n\t}\n\n}\n\nfunction WebGLShader( gl, type, string ) {\n\n\tconst shader = gl.createShader( type );\n\n\tgl.shaderSource( shader, string );\n\tgl.compileShader( shader );\n\n\treturn shader;\n\n}\n\n// From https://www.khronos.org/registry/webgl/extensions/KHR_parallel_shader_compile/\nconst COMPLETION_STATUS_KHR = 0x91B1;\n\nlet programIdCount = 0;\n\nfunction handleSource( string, errorLine ) {\n\n\tconst lines = string.split( '\\n' );\n\tconst lines2 = [];\n\n\tconst from = Math.max( errorLine - 6, 0 );\n\tconst to = Math.min( errorLine + 6, lines.length );\n\n\tfor ( let i = from; i < to; i ++ ) {\n\n\t\tconst line = i + 1;\n\t\tlines2.push( `${line === errorLine ? '>' : ' '} ${line}: ${lines[ i ]}` );\n\n\t}\n\n\treturn lines2.join( '\\n' );\n\n}\n\nconst _m0 = /*@__PURE__*/ new Matrix3();\n\nfunction getEncodingComponents( colorSpace ) {\n\n\tColorManagement._getMatrix( _m0, ColorManagement.workingColorSpace, colorSpace );\n\n\tconst encodingMatrix = `mat3( ${ _m0.elements.map( ( v ) => v.toFixed( 4 ) ) } )`;\n\n\tswitch ( ColorManagement.getTransfer( colorSpace ) ) {\n\n\t\tcase LinearTransfer:\n\t\t\treturn [ encodingMatrix, 'LinearTransferOETF' ];\n\n\t\tcase SRGBTransfer:\n\t\t\treturn [ encodingMatrix, 'sRGBTransferOETF' ];\n\n\t\tdefault:\n\t\t\tconsole.warn( 'THREE.WebGLProgram: Unsupported color space: ', colorSpace );\n\t\t\treturn [ encodingMatrix, 'LinearTransferOETF' ];\n\n\t}\n\n}\n\nfunction getShaderErrors( gl, shader, type ) {\n\n\tconst status = gl.getShaderParameter( shader, gl.COMPILE_STATUS );\n\tconst errors = gl.getShaderInfoLog( shader ).trim();\n\n\tif ( status && errors === '' ) return '';\n\n\tconst errorMatches = /ERROR: 0:(\\d+)/.exec( errors );\n\tif ( errorMatches ) {\n\n\t\t// --enable-privileged-webgl-extension\n\t\t// console.log( '**' + type + '**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) );\n\n\t\tconst errorLine = parseInt( errorMatches[ 1 ] );\n\t\treturn type.toUpperCase() + '\\n\\n' + errors + '\\n\\n' + handleSource( gl.getShaderSource( shader ), errorLine );\n\n\t} else {\n\n\t\treturn errors;\n\n\t}\n\n}\n\nfunction getTexelEncodingFunction( functionName, colorSpace ) {\n\n\tconst components = getEncodingComponents( colorSpace );\n\n\treturn [\n\n\t\t`vec4 ${functionName}( vec4 value ) {`,\n\n\t\t`\treturn ${components[ 1 ]}( vec4( value.rgb * ${components[ 0 ]}, value.a ) );`,\n\n\t\t'}',\n\n\t].join( '\\n' );\n\n}\n\nfunction getToneMappingFunction( functionName, toneMapping ) {\n\n\tlet toneMappingName;\n\n\tswitch ( toneMapping ) {\n\n\t\tcase LinearToneMapping:\n\t\t\ttoneMappingName = 'Linear';\n\t\t\tbreak;\n\n\t\tcase ReinhardToneMapping:\n\t\t\ttoneMappingName = 'Reinhard';\n\t\t\tbreak;\n\n\t\tcase CineonToneMapping:\n\t\t\ttoneMappingName = 'Cineon';\n\t\t\tbreak;\n\n\t\tcase ACESFilmicToneMapping:\n\t\t\ttoneMappingName = 'ACESFilmic';\n\t\t\tbreak;\n\n\t\tcase AgXToneMapping:\n\t\t\ttoneMappingName = 'AgX';\n\t\t\tbreak;\n\n\t\tcase NeutralToneMapping:\n\t\t\ttoneMappingName = 'Neutral';\n\t\t\tbreak;\n\n\t\tcase CustomToneMapping:\n\t\t\ttoneMappingName = 'Custom';\n\t\t\tbreak;\n\n\t\tdefault:\n\t\t\tconsole.warn( 'THREE.WebGLProgram: Unsupported toneMapping:', toneMapping );\n\t\t\ttoneMappingName = 'Linear';\n\n\t}\n\n\treturn 'vec3 ' + functionName + '( vec3 color ) { return ' + toneMappingName + 'ToneMapping( color ); }';\n\n}\n\nconst _v0 = /*@__PURE__*/ new Vector3();\n\nfunction getLuminanceFunction() {\n\n\tColorManagement.getLuminanceCoefficients( _v0 );\n\n\tconst r = _v0.x.toFixed( 4 );\n\tconst g = _v0.y.toFixed( 4 );\n\tconst b = _v0.z.toFixed( 4 );\n\n\treturn [\n\n\t\t'float luminance( const in vec3 rgb ) {',\n\n\t\t`\tconst vec3 weights = vec3( ${ r }, ${ g }, ${ b } );`,\n\n\t\t'\treturn dot( weights, rgb );',\n\n\t\t'}'\n\n\t].join( '\\n' );\n\n}\n\nfunction generateVertexExtensions( parameters ) {\n\n\tconst chunks = [\n\t\tparameters.extensionClipCullDistance ? '#extension GL_ANGLE_clip_cull_distance : require' : '',\n\t\tparameters.extensionMultiDraw ? '#extension GL_ANGLE_multi_draw : require' : '',\n\t];\n\n\treturn chunks.filter( filterEmptyLine ).join( '\\n' );\n\n}\n\nfunction generateDefines( defines ) {\n\n\tconst chunks = [];\n\n\tfor ( const name in defines ) {\n\n\t\tconst value = defines[ name ];\n\n\t\tif ( value === false ) continue;\n\n\t\tchunks.push( '#define ' + name + ' ' + value );\n\n\t}\n\n\treturn chunks.join( '\\n' );\n\n}\n\nfunction fetchAttributeLocations( gl, program ) {\n\n\tconst attributes = {};\n\n\tconst n = gl.getProgramParameter( program, gl.ACTIVE_ATTRIBUTES );\n\n\tfor ( let i = 0; i < n; i ++ ) {\n\n\t\tconst info = gl.getActiveAttrib( program, i );\n\t\tconst name = info.name;\n\n\t\tlet locationSize = 1;\n\t\tif ( info.type === gl.FLOAT_MAT2 ) locationSize = 2;\n\t\tif ( info.type === gl.FLOAT_MAT3 ) locationSize = 3;\n\t\tif ( info.type === gl.FLOAT_MAT4 ) locationSize = 4;\n\n\t\t// console.log( 'THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:', name, i );\n\n\t\tattributes[ name ] = {\n\t\t\ttype: info.type,\n\t\t\tlocation: gl.getAttribLocation( program, name ),\n\t\t\tlocationSize: locationSize\n\t\t};\n\n\t}\n\n\treturn attributes;\n\n}\n\nfunction filterEmptyLine( string ) {\n\n\treturn string !== '';\n\n}\n\nfunction replaceLightNums( string, parameters ) {\n\n\tconst numSpotLightCoords = parameters.numSpotLightShadows + parameters.numSpotLightMaps - parameters.numSpotLightShadowsWithMaps;\n\n\treturn string\n\t\t.replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights )\n\t\t.replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights )\n\t\t.replace( /NUM_SPOT_LIGHT_MAPS/g, parameters.numSpotLightMaps )\n\t\t.replace( /NUM_SPOT_LIGHT_COORDS/g, numSpotLightCoords )\n\t\t.replace( /NUM_RECT_AREA_LIGHTS/g, parameters.numRectAreaLights )\n\t\t.replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights )\n\t\t.replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights )\n\t\t.replace( /NUM_DIR_LIGHT_SHADOWS/g, parameters.numDirLightShadows )\n\t\t.replace( /NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS/g, parameters.numSpotLightShadowsWithMaps )\n\t\t.replace( /NUM_SPOT_LIGHT_SHADOWS/g, parameters.numSpotLightShadows )\n\t\t.replace( /NUM_POINT_LIGHT_SHADOWS/g, parameters.numPointLightShadows );\n\n}\n\nfunction replaceClippingPlaneNums( string, parameters ) {\n\n\treturn string\n\t\t.replace( /NUM_CLIPPING_PLANES/g, parameters.numClippingPlanes )\n\t\t.replace( /UNION_CLIPPING_PLANES/g, ( parameters.numClippingPlanes - parameters.numClipIntersection ) );\n\n}\n\n// Resolve Includes\n\nconst includePattern = /^[ \\t]*#include +<([\\w\\d./]+)>/gm;\n\nfunction resolveIncludes( string ) {\n\n\treturn string.replace( includePattern, includeReplacer );\n\n}\n\nconst shaderChunkMap = new Map();\n\nfunction includeReplacer( match, include ) {\n\n\tlet string = ShaderChunk[ include ];\n\n\tif ( string === undefined ) {\n\n\t\tconst newInclude = shaderChunkMap.get( include );\n\n\t\tif ( newInclude !== undefined ) {\n\n\t\t\tstring = ShaderChunk[ newInclude ];\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Shader chunk \"%s\" has been deprecated. Use \"%s\" instead.', include, newInclude );\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'Can not resolve #include <' + include + '>' );\n\n\t\t}\n\n\t}\n\n\treturn resolveIncludes( string );\n\n}\n\n// Unroll Loops\n\nconst unrollLoopPattern = /#pragma unroll_loop_start\\s+for\\s*\\(\\s*int\\s+i\\s*=\\s*(\\d+)\\s*;\\s*i\\s*<\\s*(\\d+)\\s*;\\s*i\\s*\\+\\+\\s*\\)\\s*{([\\s\\S]+?)}\\s+#pragma unroll_loop_end/g;\n\nfunction unrollLoops( string ) {\n\n\treturn string.replace( unrollLoopPattern, loopReplacer );\n\n}\n\nfunction loopReplacer( match, start, end, snippet ) {\n\n\tlet string = '';\n\n\tfor ( let i = parseInt( start ); i < parseInt( end ); i ++ ) {\n\n\t\tstring += snippet\n\t\t\t.replace( /\\[\\s*i\\s*\\]/g, '[ ' + i + ' ]' )\n\t\t\t.replace( /UNROLLED_LOOP_INDEX/g, i );\n\n\t}\n\n\treturn string;\n\n}\n\n//\n\nfunction generatePrecision( parameters ) {\n\n\tlet precisionstring = `precision ${parameters.precision} float;\n\tprecision ${parameters.precision} int;\n\tprecision ${parameters.precision} sampler2D;\n\tprecision ${parameters.precision} samplerCube;\n\tprecision ${parameters.precision} sampler3D;\n\tprecision ${parameters.precision} sampler2DArray;\n\tprecision ${parameters.precision} sampler2DShadow;\n\tprecision ${parameters.precision} samplerCubeShadow;\n\tprecision ${parameters.precision} sampler2DArrayShadow;\n\tprecision ${parameters.precision} isampler2D;\n\tprecision ${parameters.precision} isampler3D;\n\tprecision ${parameters.precision} isamplerCube;\n\tprecision ${parameters.precision} isampler2DArray;\n\tprecision ${parameters.precision} usampler2D;\n\tprecision ${parameters.precision} usampler3D;\n\tprecision ${parameters.precision} usamplerCube;\n\tprecision ${parameters.precision} usampler2DArray;\n\t`;\n\n\tif ( parameters.precision === 'highp' ) {\n\n\t\tprecisionstring += '\\n#define HIGH_PRECISION';\n\n\t} else if ( parameters.precision === 'mediump' ) {\n\n\t\tprecisionstring += '\\n#define MEDIUM_PRECISION';\n\n\t} else if ( parameters.precision === 'lowp' ) {\n\n\t\tprecisionstring += '\\n#define LOW_PRECISION';\n\n\t}\n\n\treturn precisionstring;\n\n}\n\nfunction generateShadowMapTypeDefine( parameters ) {\n\n\tlet shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC';\n\n\tif ( parameters.shadowMapType === PCFShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF';\n\n\t} else if ( parameters.shadowMapType === PCFSoftShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT';\n\n\t} else if ( parameters.shadowMapType === VSMShadowMap ) {\n\n\t\tshadowMapTypeDefine = 'SHADOWMAP_TYPE_VSM';\n\n\t}\n\n\treturn shadowMapTypeDefine;\n\n}\n\nfunction generateEnvMapTypeDefine( parameters ) {\n\n\tlet envMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.envMapMode ) {\n\n\t\t\tcase CubeReflectionMapping:\n\t\t\tcase CubeRefractionMapping:\n\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE';\n\t\t\t\tbreak;\n\n\t\t\tcase CubeUVReflectionMapping:\n\t\t\t\tenvMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapTypeDefine;\n\n}\n\nfunction generateEnvMapModeDefine( parameters ) {\n\n\tlet envMapModeDefine = 'ENVMAP_MODE_REFLECTION';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.envMapMode ) {\n\n\t\t\tcase CubeRefractionMapping:\n\n\t\t\t\tenvMapModeDefine = 'ENVMAP_MODE_REFRACTION';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapModeDefine;\n\n}\n\nfunction generateEnvMapBlendingDefine( parameters ) {\n\n\tlet envMapBlendingDefine = 'ENVMAP_BLENDING_NONE';\n\n\tif ( parameters.envMap ) {\n\n\t\tswitch ( parameters.combine ) {\n\n\t\t\tcase MultiplyOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY';\n\t\t\t\tbreak;\n\n\t\t\tcase MixOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_MIX';\n\t\t\t\tbreak;\n\n\t\t\tcase AddOperation:\n\t\t\t\tenvMapBlendingDefine = 'ENVMAP_BLENDING_ADD';\n\t\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\treturn envMapBlendingDefine;\n\n}\n\nfunction generateCubeUVSize( parameters ) {\n\n\tconst imageHeight = parameters.envMapCubeUVHeight;\n\n\tif ( imageHeight === null ) return null;\n\n\tconst maxMip = Math.log2( imageHeight ) - 2;\n\n\tconst texelHeight = 1.0 / imageHeight;\n\n\tconst texelWidth = 1.0 / ( 3 * Math.max( Math.pow( 2, maxMip ), 7 * 16 ) );\n\n\treturn { texelWidth, texelHeight, maxMip };\n\n}\n\nfunction WebGLProgram( renderer, cacheKey, parameters, bindingStates ) {\n\n\t// TODO Send this event to Three.js DevTools\n\t// console.log( 'WebGLProgram', cacheKey );\n\n\tconst gl = renderer.getContext();\n\n\tconst defines = parameters.defines;\n\n\tlet vertexShader = parameters.vertexShader;\n\tlet fragmentShader = parameters.fragmentShader;\n\n\tconst shadowMapTypeDefine = generateShadowMapTypeDefine( parameters );\n\tconst envMapTypeDefine = generateEnvMapTypeDefine( parameters );\n\tconst envMapModeDefine = generateEnvMapModeDefine( parameters );\n\tconst envMapBlendingDefine = generateEnvMapBlendingDefine( parameters );\n\tconst envMapCubeUVSize = generateCubeUVSize( parameters );\n\n\tconst customVertexExtensions = generateVertexExtensions( parameters );\n\n\tconst customDefines = generateDefines( defines );\n\n\tconst program = gl.createProgram();\n\n\tlet prefixVertex, prefixFragment;\n\tlet versionString = parameters.glslVersion ? '#version ' + parameters.glslVersion + '\\n' : '';\n\n\tif ( parameters.isRawShaderMaterial ) {\n\n\t\tprefixVertex = [\n\n\t\t\t'#define SHADER_TYPE ' + parameters.shaderType,\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tif ( prefixVertex.length > 0 ) {\n\n\t\t\tprefixVertex += '\\n';\n\n\t\t}\n\n\t\tprefixFragment = [\n\n\t\t\t'#define SHADER_TYPE ' + parameters.shaderType,\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tif ( prefixFragment.length > 0 ) {\n\n\t\t\tprefixFragment += '\\n';\n\n\t\t}\n\n\t} else {\n\n\t\tprefixVertex = [\n\n\t\t\tgeneratePrecision( parameters ),\n\n\t\t\t'#define SHADER_TYPE ' + parameters.shaderType,\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines,\n\n\t\t\tparameters.extensionClipCullDistance ? '#define USE_CLIP_DISTANCE' : '',\n\t\t\tparameters.batching ? '#define USE_BATCHING' : '',\n\t\t\tparameters.batchingColor ? '#define USE_BATCHING_COLOR' : '',\n\t\t\tparameters.instancing ? '#define USE_INSTANCING' : '',\n\t\t\tparameters.instancingColor ? '#define USE_INSTANCING_COLOR' : '',\n\t\t\tparameters.instancingMorph ? '#define USE_INSTANCING_MORPH' : '',\n\n\t\t\tparameters.useFog && parameters.fog ? '#define USE_FOG' : '',\n\t\t\tparameters.useFog && parameters.fogExp2 ? '#define FOG_EXP2' : '',\n\n\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\tparameters.normalMapObjectSpace ? '#define USE_NORMALMAP_OBJECTSPACE' : '',\n\t\t\tparameters.normalMapTangentSpace ? '#define USE_NORMALMAP_TANGENTSPACE' : '',\n\t\t\tparameters.displacementMap ? '#define USE_DISPLACEMENTMAP' : '',\n\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\n\t\t\tparameters.anisotropy ? '#define USE_ANISOTROPY' : '',\n\t\t\tparameters.anisotropyMap ? '#define USE_ANISOTROPYMAP' : '',\n\n\t\t\tparameters.clearcoatMap ? '#define USE_CLEARCOATMAP' : '',\n\t\t\tparameters.clearcoatRoughnessMap ? '#define USE_CLEARCOAT_ROUGHNESSMAP' : '',\n\t\t\tparameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '',\n\n\t\t\tparameters.iridescenceMap ? '#define USE_IRIDESCENCEMAP' : '',\n\t\t\tparameters.iridescenceThicknessMap ? '#define USE_IRIDESCENCE_THICKNESSMAP' : '',\n\n\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\tparameters.specularColorMap ? '#define USE_SPECULAR_COLORMAP' : '',\n\t\t\tparameters.specularIntensityMap ? '#define USE_SPECULAR_INTENSITYMAP' : '',\n\n\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\tparameters.alphaHash ? '#define USE_ALPHAHASH' : '',\n\n\t\t\tparameters.transmission ? '#define USE_TRANSMISSION' : '',\n\t\t\tparameters.transmissionMap ? '#define USE_TRANSMISSIONMAP' : '',\n\t\t\tparameters.thicknessMap ? '#define USE_THICKNESSMAP' : '',\n\n\t\t\tparameters.sheenColorMap ? '#define USE_SHEEN_COLORMAP' : '',\n\t\t\tparameters.sheenRoughnessMap ? '#define USE_SHEEN_ROUGHNESSMAP' : '',\n\n\t\t\t//\n\n\t\t\tparameters.mapUv ? '#define MAP_UV ' + parameters.mapUv : '',\n\t\t\tparameters.alphaMapUv ? '#define ALPHAMAP_UV ' + parameters.alphaMapUv : '',\n\t\t\tparameters.lightMapUv ? '#define LIGHTMAP_UV ' + parameters.lightMapUv : '',\n\t\t\tparameters.aoMapUv ? '#define AOMAP_UV ' + parameters.aoMapUv : '',\n\t\t\tparameters.emissiveMapUv ? '#define EMISSIVEMAP_UV ' + parameters.emissiveMapUv : '',\n\t\t\tparameters.bumpMapUv ? '#define BUMPMAP_UV ' + parameters.bumpMapUv : '',\n\t\t\tparameters.normalMapUv ? '#define NORMALMAP_UV ' + parameters.normalMapUv : '',\n\t\t\tparameters.displacementMapUv ? '#define DISPLACEMENTMAP_UV ' + parameters.displacementMapUv : '',\n\n\t\t\tparameters.metalnessMapUv ? '#define METALNESSMAP_UV ' + parameters.metalnessMapUv : '',\n\t\t\tparameters.roughnessMapUv ? '#define ROUGHNESSMAP_UV ' + parameters.roughnessMapUv : '',\n\n\t\t\tparameters.anisotropyMapUv ? '#define ANISOTROPYMAP_UV ' + parameters.anisotropyMapUv : '',\n\n\t\t\tparameters.clearcoatMapUv ? '#define CLEARCOATMAP_UV ' + parameters.clearcoatMapUv : '',\n\t\t\tparameters.clearcoatNormalMapUv ? '#define CLEARCOAT_NORMALMAP_UV ' + parameters.clearcoatNormalMapUv : '',\n\t\t\tparameters.clearcoatRoughnessMapUv ? '#define CLEARCOAT_ROUGHNESSMAP_UV ' + parameters.clearcoatRoughnessMapUv : '',\n\n\t\t\tparameters.iridescenceMapUv ? '#define IRIDESCENCEMAP_UV ' + parameters.iridescenceMapUv : '',\n\t\t\tparameters.iridescenceThicknessMapUv ? '#define IRIDESCENCE_THICKNESSMAP_UV ' + parameters.iridescenceThicknessMapUv : '',\n\n\t\t\tparameters.sheenColorMapUv ? '#define SHEEN_COLORMAP_UV ' + parameters.sheenColorMapUv : '',\n\t\t\tparameters.sheenRoughnessMapUv ? '#define SHEEN_ROUGHNESSMAP_UV ' + parameters.sheenRoughnessMapUv : '',\n\n\t\t\tparameters.specularMapUv ? '#define SPECULARMAP_UV ' + parameters.specularMapUv : '',\n\t\t\tparameters.specularColorMapUv ? '#define SPECULAR_COLORMAP_UV ' + parameters.specularColorMapUv : '',\n\t\t\tparameters.specularIntensityMapUv ? '#define SPECULAR_INTENSITYMAP_UV ' + parameters.specularIntensityMapUv : '',\n\n\t\t\tparameters.transmissionMapUv ? '#define TRANSMISSIONMAP_UV ' + parameters.transmissionMapUv : '',\n\t\t\tparameters.thicknessMapUv ? '#define THICKNESSMAP_UV ' + parameters.thicknessMapUv : '',\n\n\t\t\t//\n\n\t\t\tparameters.vertexTangents && parameters.flatShading === false ? '#define USE_TANGENT' : '',\n\t\t\tparameters.vertexColors ? '#define USE_COLOR' : '',\n\t\t\tparameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '',\n\t\t\tparameters.vertexUv1s ? '#define USE_UV1' : '',\n\t\t\tparameters.vertexUv2s ? '#define USE_UV2' : '',\n\t\t\tparameters.vertexUv3s ? '#define USE_UV3' : '',\n\n\t\t\tparameters.pointsUvs ? '#define USE_POINTS_UV' : '',\n\n\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\tparameters.skinning ? '#define USE_SKINNING' : '',\n\n\t\t\tparameters.morphTargets ? '#define USE_MORPHTARGETS' : '',\n\t\t\tparameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '',\n\t\t\t( parameters.morphColors ) ? '#define USE_MORPHCOLORS' : '',\n\t\t\t( parameters.morphTargetsCount > 0 ) ? '#define MORPHTARGETS_TEXTURE_STRIDE ' + parameters.morphTextureStride : '',\n\t\t\t( parameters.morphTargetsCount > 0 ) ? '#define MORPHTARGETS_COUNT ' + parameters.morphTargetsCount : '',\n\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\tparameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '',\n\n\t\t\tparameters.numLightProbes > 0 ? '#define USE_LIGHT_PROBES' : '',\n\n\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\tparameters.reverseDepthBuffer ? '#define USE_REVERSEDEPTHBUF' : '',\n\n\t\t\t'uniform mat4 modelMatrix;',\n\t\t\t'uniform mat4 modelViewMatrix;',\n\t\t\t'uniform mat4 projectionMatrix;',\n\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t'uniform mat3 normalMatrix;',\n\t\t\t'uniform vec3 cameraPosition;',\n\t\t\t'uniform bool isOrthographic;',\n\n\t\t\t'#ifdef USE_INSTANCING',\n\n\t\t\t'\tattribute mat4 instanceMatrix;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_INSTANCING_COLOR',\n\n\t\t\t'\tattribute vec3 instanceColor;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_INSTANCING_MORPH',\n\n\t\t\t'\tuniform sampler2D morphTexture;',\n\n\t\t\t'#endif',\n\n\t\t\t'attribute vec3 position;',\n\t\t\t'attribute vec3 normal;',\n\t\t\t'attribute vec2 uv;',\n\n\t\t\t'#ifdef USE_UV1',\n\n\t\t\t'\tattribute vec2 uv1;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_UV2',\n\n\t\t\t'\tattribute vec2 uv2;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_UV3',\n\n\t\t\t'\tattribute vec2 uv3;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_TANGENT',\n\n\t\t\t'\tattribute vec4 tangent;',\n\n\t\t\t'#endif',\n\n\t\t\t'#if defined( USE_COLOR_ALPHA )',\n\n\t\t\t'\tattribute vec4 color;',\n\n\t\t\t'#elif defined( USE_COLOR )',\n\n\t\t\t'\tattribute vec3 color;',\n\n\t\t\t'#endif',\n\n\t\t\t'#ifdef USE_SKINNING',\n\n\t\t\t'\tattribute vec4 skinIndex;',\n\t\t\t'\tattribute vec4 skinWeight;',\n\n\t\t\t'#endif',\n\n\t\t\t'\\n'\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t\tprefixFragment = [\n\n\t\t\tgeneratePrecision( parameters ),\n\n\t\t\t'#define SHADER_TYPE ' + parameters.shaderType,\n\t\t\t'#define SHADER_NAME ' + parameters.shaderName,\n\n\t\t\tcustomDefines,\n\n\t\t\tparameters.useFog && parameters.fog ? '#define USE_FOG' : '',\n\t\t\tparameters.useFog && parameters.fogExp2 ? '#define FOG_EXP2' : '',\n\n\t\t\tparameters.alphaToCoverage ? '#define ALPHA_TO_COVERAGE' : '',\n\t\t\tparameters.map ? '#define USE_MAP' : '',\n\t\t\tparameters.matcap ? '#define USE_MATCAP' : '',\n\t\t\tparameters.envMap ? '#define USE_ENVMAP' : '',\n\t\t\tparameters.envMap ? '#define ' + envMapTypeDefine : '',\n\t\t\tparameters.envMap ? '#define ' + envMapModeDefine : '',\n\t\t\tparameters.envMap ? '#define ' + envMapBlendingDefine : '',\n\t\t\tenvMapCubeUVSize ? '#define CUBEUV_TEXEL_WIDTH ' + envMapCubeUVSize.texelWidth : '',\n\t\t\tenvMapCubeUVSize ? '#define CUBEUV_TEXEL_HEIGHT ' + envMapCubeUVSize.texelHeight : '',\n\t\t\tenvMapCubeUVSize ? '#define CUBEUV_MAX_MIP ' + envMapCubeUVSize.maxMip + '.0' : '',\n\t\t\tparameters.lightMap ? '#define USE_LIGHTMAP' : '',\n\t\t\tparameters.aoMap ? '#define USE_AOMAP' : '',\n\t\t\tparameters.bumpMap ? '#define USE_BUMPMAP' : '',\n\t\t\tparameters.normalMap ? '#define USE_NORMALMAP' : '',\n\t\t\tparameters.normalMapObjectSpace ? '#define USE_NORMALMAP_OBJECTSPACE' : '',\n\t\t\tparameters.normalMapTangentSpace ? '#define USE_NORMALMAP_TANGENTSPACE' : '',\n\t\t\tparameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '',\n\n\t\t\tparameters.anisotropy ? '#define USE_ANISOTROPY' : '',\n\t\t\tparameters.anisotropyMap ? '#define USE_ANISOTROPYMAP' : '',\n\n\t\t\tparameters.clearcoat ? '#define USE_CLEARCOAT' : '',\n\t\t\tparameters.clearcoatMap ? '#define USE_CLEARCOATMAP' : '',\n\t\t\tparameters.clearcoatRoughnessMap ? '#define USE_CLEARCOAT_ROUGHNESSMAP' : '',\n\t\t\tparameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '',\n\n\t\t\tparameters.dispersion ? '#define USE_DISPERSION' : '',\n\n\t\t\tparameters.iridescence ? '#define USE_IRIDESCENCE' : '',\n\t\t\tparameters.iridescenceMap ? '#define USE_IRIDESCENCEMAP' : '',\n\t\t\tparameters.iridescenceThicknessMap ? '#define USE_IRIDESCENCE_THICKNESSMAP' : '',\n\n\t\t\tparameters.specularMap ? '#define USE_SPECULARMAP' : '',\n\t\t\tparameters.specularColorMap ? '#define USE_SPECULAR_COLORMAP' : '',\n\t\t\tparameters.specularIntensityMap ? '#define USE_SPECULAR_INTENSITYMAP' : '',\n\n\t\t\tparameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '',\n\t\t\tparameters.metalnessMap ? '#define USE_METALNESSMAP' : '',\n\n\t\t\tparameters.alphaMap ? '#define USE_ALPHAMAP' : '',\n\t\t\tparameters.alphaTest ? '#define USE_ALPHATEST' : '',\n\t\t\tparameters.alphaHash ? '#define USE_ALPHAHASH' : '',\n\n\t\t\tparameters.sheen ? '#define USE_SHEEN' : '',\n\t\t\tparameters.sheenColorMap ? '#define USE_SHEEN_COLORMAP' : '',\n\t\t\tparameters.sheenRoughnessMap ? '#define USE_SHEEN_ROUGHNESSMAP' : '',\n\n\t\t\tparameters.transmission ? '#define USE_TRANSMISSION' : '',\n\t\t\tparameters.transmissionMap ? '#define USE_TRANSMISSIONMAP' : '',\n\t\t\tparameters.thicknessMap ? '#define USE_THICKNESSMAP' : '',\n\n\t\t\tparameters.vertexTangents && parameters.flatShading === false ? '#define USE_TANGENT' : '',\n\t\t\tparameters.vertexColors || parameters.instancingColor || parameters.batchingColor ? '#define USE_COLOR' : '',\n\t\t\tparameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '',\n\t\t\tparameters.vertexUv1s ? '#define USE_UV1' : '',\n\t\t\tparameters.vertexUv2s ? '#define USE_UV2' : '',\n\t\t\tparameters.vertexUv3s ? '#define USE_UV3' : '',\n\n\t\t\tparameters.pointsUvs ? '#define USE_POINTS_UV' : '',\n\n\t\t\tparameters.gradientMap ? '#define USE_GRADIENTMAP' : '',\n\n\t\t\tparameters.flatShading ? '#define FLAT_SHADED' : '',\n\n\t\t\tparameters.doubleSided ? '#define DOUBLE_SIDED' : '',\n\t\t\tparameters.flipSided ? '#define FLIP_SIDED' : '',\n\n\t\t\tparameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '',\n\t\t\tparameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '',\n\n\t\t\tparameters.premultipliedAlpha ? '#define PREMULTIPLIED_ALPHA' : '',\n\n\t\t\tparameters.numLightProbes > 0 ? '#define USE_LIGHT_PROBES' : '',\n\n\t\t\tparameters.decodeVideoTexture ? '#define DECODE_VIDEO_TEXTURE' : '',\n\t\t\tparameters.decodeVideoTextureEmissive ? '#define DECODE_VIDEO_TEXTURE_EMISSIVE' : '',\n\n\t\t\tparameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '',\n\t\t\tparameters.reverseDepthBuffer ? '#define USE_REVERSEDEPTHBUF' : '',\n\n\t\t\t'uniform mat4 viewMatrix;',\n\t\t\t'uniform vec3 cameraPosition;',\n\t\t\t'uniform bool isOrthographic;',\n\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? '#define TONE_MAPPING' : '',\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below\n\t\t\t( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( 'toneMapping', parameters.toneMapping ) : '',\n\n\t\t\tparameters.dithering ? '#define DITHERING' : '',\n\t\t\tparameters.opaque ? '#define OPAQUE' : '',\n\n\t\t\tShaderChunk[ 'colorspace_pars_fragment' ], // this code is required here because it is used by the various encoding/decoding function defined below\n\t\t\tgetTexelEncodingFunction( 'linearToOutputTexel', parameters.outputColorSpace ),\n\t\t\tgetLuminanceFunction(),\n\n\t\t\tparameters.useDepthPacking ? '#define DEPTH_PACKING ' + parameters.depthPacking : '',\n\n\t\t\t'\\n'\n\n\t\t].filter( filterEmptyLine ).join( '\\n' );\n\n\t}\n\n\tvertexShader = resolveIncludes( vertexShader );\n\tvertexShader = replaceLightNums( vertexShader, parameters );\n\tvertexShader = replaceClippingPlaneNums( vertexShader, parameters );\n\n\tfragmentShader = resolveIncludes( fragmentShader );\n\tfragmentShader = replaceLightNums( fragmentShader, parameters );\n\tfragmentShader = replaceClippingPlaneNums( fragmentShader, parameters );\n\n\tvertexShader = unrollLoops( vertexShader );\n\tfragmentShader = unrollLoops( fragmentShader );\n\n\tif ( parameters.isRawShaderMaterial !== true ) {\n\n\t\t// GLSL 3.0 conversion for built-in materials and ShaderMaterial\n\n\t\tversionString = '#version 300 es\\n';\n\n\t\tprefixVertex = [\n\t\t\tcustomVertexExtensions,\n\t\t\t'#define attribute in',\n\t\t\t'#define varying out',\n\t\t\t'#define texture2D texture'\n\t\t].join( '\\n' ) + '\\n' + prefixVertex;\n\n\t\tprefixFragment = [\n\t\t\t'#define varying in',\n\t\t\t( parameters.glslVersion === GLSL3 ) ? '' : 'layout(location = 0) out highp vec4 pc_fragColor;',\n\t\t\t( parameters.glslVersion === GLSL3 ) ? '' : '#define gl_FragColor pc_fragColor',\n\t\t\t'#define gl_FragDepthEXT gl_FragDepth',\n\t\t\t'#define texture2D texture',\n\t\t\t'#define textureCube texture',\n\t\t\t'#define texture2DProj textureProj',\n\t\t\t'#define texture2DLodEXT textureLod',\n\t\t\t'#define texture2DProjLodEXT textureProjLod',\n\t\t\t'#define textureCubeLodEXT textureLod',\n\t\t\t'#define texture2DGradEXT textureGrad',\n\t\t\t'#define texture2DProjGradEXT textureProjGrad',\n\t\t\t'#define textureCubeGradEXT textureGrad'\n\t\t].join( '\\n' ) + '\\n' + prefixFragment;\n\n\t}\n\n\tconst vertexGlsl = versionString + prefixVertex + vertexShader;\n\tconst fragmentGlsl = versionString + prefixFragment + fragmentShader;\n\n\t// console.log( '*VERTEX*', vertexGlsl );\n\t// console.log( '*FRAGMENT*', fragmentGlsl );\n\n\tconst glVertexShader = WebGLShader( gl, gl.VERTEX_SHADER, vertexGlsl );\n\tconst glFragmentShader = WebGLShader( gl, gl.FRAGMENT_SHADER, fragmentGlsl );\n\n\tgl.attachShader( program, glVertexShader );\n\tgl.attachShader( program, glFragmentShader );\n\n\t// Force a particular attribute to index 0.\n\n\tif ( parameters.index0AttributeName !== undefined ) {\n\n\t\tgl.bindAttribLocation( program, 0, parameters.index0AttributeName );\n\n\t} else if ( parameters.morphTargets === true ) {\n\n\t\t// programs with morphTargets displace position out of attribute 0\n\t\tgl.bindAttribLocation( program, 0, 'position' );\n\n\t}\n\n\tgl.linkProgram( program );\n\n\tfunction onFirstUse( self ) {\n\n\t\t// check for link errors\n\t\tif ( renderer.debug.checkShaderErrors ) {\n\n\t\t\tconst programLog = gl.getProgramInfoLog( program ).trim();\n\t\t\tconst vertexLog = gl.getShaderInfoLog( glVertexShader ).trim();\n\t\t\tconst fragmentLog = gl.getShaderInfoLog( glFragmentShader ).trim();\n\n\t\t\tlet runnable = true;\n\t\t\tlet haveDiagnostics = true;\n\n\t\t\tif ( gl.getProgramParameter( program, gl.LINK_STATUS ) === false ) {\n\n\t\t\t\trunnable = false;\n\n\t\t\t\tif ( typeof renderer.debug.onShaderError === 'function' ) {\n\n\t\t\t\t\trenderer.debug.onShaderError( gl, program, glVertexShader, glFragmentShader );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// default error reporting\n\n\t\t\t\t\tconst vertexErrors = getShaderErrors( gl, glVertexShader, 'vertex' );\n\t\t\t\t\tconst fragmentErrors = getShaderErrors( gl, glFragmentShader, 'fragment' );\n\n\t\t\t\t\tconsole.error(\n\t\t\t\t\t\t'THREE.WebGLProgram: Shader Error ' + gl.getError() + ' - ' +\n\t\t\t\t\t\t'VALIDATE_STATUS ' + gl.getProgramParameter( program, gl.VALIDATE_STATUS ) + '\\n\\n' +\n\t\t\t\t\t\t'Material Name: ' + self.name + '\\n' +\n\t\t\t\t\t\t'Material Type: ' + self.type + '\\n\\n' +\n\t\t\t\t\t\t'Program Info Log: ' + programLog + '\\n' +\n\t\t\t\t\t\tvertexErrors + '\\n' +\n\t\t\t\t\t\tfragmentErrors\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t} else if ( programLog !== '' ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLProgram: Program Info Log:', programLog );\n\n\t\t\t} else if ( vertexLog === '' || fragmentLog === '' ) {\n\n\t\t\t\thaveDiagnostics = false;\n\n\t\t\t}\n\n\t\t\tif ( haveDiagnostics ) {\n\n\t\t\t\tself.diagnostics = {\n\n\t\t\t\t\trunnable: runnable,\n\n\t\t\t\t\tprogramLog: programLog,\n\n\t\t\t\t\tvertexShader: {\n\n\t\t\t\t\t\tlog: vertexLog,\n\t\t\t\t\t\tprefix: prefixVertex\n\n\t\t\t\t\t},\n\n\t\t\t\t\tfragmentShader: {\n\n\t\t\t\t\t\tlog: fragmentLog,\n\t\t\t\t\t\tprefix: prefixFragment\n\n\t\t\t\t\t}\n\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Clean up\n\n\t\t// Crashes in iOS9 and iOS10. #18402\n\t\t// gl.detachShader( program, glVertexShader );\n\t\t// gl.detachShader( program, glFragmentShader );\n\n\t\tgl.deleteShader( glVertexShader );\n\t\tgl.deleteShader( glFragmentShader );\n\n\t\tcachedUniforms = new WebGLUniforms( gl, program );\n\t\tcachedAttributes = fetchAttributeLocations( gl, program );\n\n\t}\n\n\t// set up caching for uniform locations\n\n\tlet cachedUniforms;\n\n\tthis.getUniforms = function () {\n\n\t\tif ( cachedUniforms === undefined ) {\n\n\t\t\t// Populates cachedUniforms and cachedAttributes\n\t\t\tonFirstUse( this );\n\n\t\t}\n\n\t\treturn cachedUniforms;\n\n\t};\n\n\t// set up caching for attribute locations\n\n\tlet cachedAttributes;\n\n\tthis.getAttributes = function () {\n\n\t\tif ( cachedAttributes === undefined ) {\n\n\t\t\t// Populates cachedAttributes and cachedUniforms\n\t\t\tonFirstUse( this );\n\n\t\t}\n\n\t\treturn cachedAttributes;\n\n\t};\n\n\t// indicate when the program is ready to be used. if the KHR_parallel_shader_compile extension isn't supported,\n\t// flag the program as ready immediately. It may cause a stall when it's first used.\n\n\tlet programReady = ( parameters.rendererExtensionParallelShaderCompile === false );\n\n\tthis.isReady = function () {\n\n\t\tif ( programReady === false ) {\n\n\t\t\tprogramReady = gl.getProgramParameter( program, COMPLETION_STATUS_KHR );\n\n\t\t}\n\n\t\treturn programReady;\n\n\t};\n\n\t// free resource\n\n\tthis.destroy = function () {\n\n\t\tbindingStates.releaseStatesOfProgram( this );\n\n\t\tgl.deleteProgram( program );\n\t\tthis.program = undefined;\n\n\t};\n\n\t//\n\n\tthis.type = parameters.shaderType;\n\tthis.name = parameters.shaderName;\n\tthis.id = programIdCount ++;\n\tthis.cacheKey = cacheKey;\n\tthis.usedTimes = 1;\n\tthis.program = program;\n\tthis.vertexShader = glVertexShader;\n\tthis.fragmentShader = glFragmentShader;\n\n\treturn this;\n\n}\n\nlet _id = 0;\n\nclass WebGLShaderCache {\n\n\tconstructor() {\n\n\t\tthis.shaderCache = new Map();\n\t\tthis.materialCache = new Map();\n\n\t}\n\n\tupdate( material ) {\n\n\t\tconst vertexShader = material.vertexShader;\n\t\tconst fragmentShader = material.fragmentShader;\n\n\t\tconst vertexShaderStage = this._getShaderStage( vertexShader );\n\t\tconst fragmentShaderStage = this._getShaderStage( fragmentShader );\n\n\t\tconst materialShaders = this._getShaderCacheForMaterial( material );\n\n\t\tif ( materialShaders.has( vertexShaderStage ) === false ) {\n\n\t\t\tmaterialShaders.add( vertexShaderStage );\n\t\t\tvertexShaderStage.usedTimes ++;\n\n\t\t}\n\n\t\tif ( materialShaders.has( fragmentShaderStage ) === false ) {\n\n\t\t\tmaterialShaders.add( fragmentShaderStage );\n\t\t\tfragmentShaderStage.usedTimes ++;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tremove( material ) {\n\n\t\tconst materialShaders = this.materialCache.get( material );\n\n\t\tfor ( const shaderStage of materialShaders ) {\n\n\t\t\tshaderStage.usedTimes --;\n\n\t\t\tif ( shaderStage.usedTimes === 0 ) this.shaderCache.delete( shaderStage.code );\n\n\t\t}\n\n\t\tthis.materialCache.delete( material );\n\n\t\treturn this;\n\n\t}\n\n\tgetVertexShaderID( material ) {\n\n\t\treturn this._getShaderStage( material.vertexShader ).id;\n\n\t}\n\n\tgetFragmentShaderID( material ) {\n\n\t\treturn this._getShaderStage( material.fragmentShader ).id;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shaderCache.clear();\n\t\tthis.materialCache.clear();\n\n\t}\n\n\t_getShaderCacheForMaterial( material ) {\n\n\t\tconst cache = this.materialCache;\n\t\tlet set = cache.get( material );\n\n\t\tif ( set === undefined ) {\n\n\t\t\tset = new Set();\n\t\t\tcache.set( material, set );\n\n\t\t}\n\n\t\treturn set;\n\n\t}\n\n\t_getShaderStage( code ) {\n\n\t\tconst cache = this.shaderCache;\n\t\tlet stage = cache.get( code );\n\n\t\tif ( stage === undefined ) {\n\n\t\t\tstage = new WebGLShaderStage( code );\n\t\t\tcache.set( code, stage );\n\n\t\t}\n\n\t\treturn stage;\n\n\t}\n\n}\n\nclass WebGLShaderStage {\n\n\tconstructor( code ) {\n\n\t\tthis.id = _id ++;\n\n\t\tthis.code = code;\n\t\tthis.usedTimes = 0;\n\n\t}\n\n}\n\nfunction WebGLPrograms( renderer, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping ) {\n\n\tconst _programLayers = new Layers();\n\tconst _customShaders = new WebGLShaderCache();\n\tconst _activeChannels = new Set();\n\tconst programs = [];\n\n\tconst logarithmicDepthBuffer = capabilities.logarithmicDepthBuffer;\n\tconst SUPPORTS_VERTEX_TEXTURES = capabilities.vertexTextures;\n\n\tlet precision = capabilities.precision;\n\n\tconst shaderIDs = {\n\t\tMeshDepthMaterial: 'depth',\n\t\tMeshDistanceMaterial: 'distanceRGBA',\n\t\tMeshNormalMaterial: 'normal',\n\t\tMeshBasicMaterial: 'basic',\n\t\tMeshLambertMaterial: 'lambert',\n\t\tMeshPhongMaterial: 'phong',\n\t\tMeshToonMaterial: 'toon',\n\t\tMeshStandardMaterial: 'physical',\n\t\tMeshPhysicalMaterial: 'physical',\n\t\tMeshMatcapMaterial: 'matcap',\n\t\tLineBasicMaterial: 'basic',\n\t\tLineDashedMaterial: 'dashed',\n\t\tPointsMaterial: 'points',\n\t\tShadowMaterial: 'shadow',\n\t\tSpriteMaterial: 'sprite'\n\t};\n\n\tfunction getChannel( value ) {\n\n\t\t_activeChannels.add( value );\n\n\t\tif ( value === 0 ) return 'uv';\n\n\t\treturn `uv${ value }`;\n\n\t}\n\n\tfunction getParameters( material, lights, shadows, scene, object ) {\n\n\t\tconst fog = scene.fog;\n\t\tconst geometry = object.geometry;\n\t\tconst environment = material.isMeshStandardMaterial ? scene.environment : null;\n\n\t\tconst envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || environment );\n\t\tconst envMapCubeUVHeight = ( !! envMap ) && ( envMap.mapping === CubeUVReflectionMapping ) ? envMap.image.height : null;\n\n\t\tconst shaderID = shaderIDs[ material.type ];\n\n\t\t// heuristics to create shader parameters according to lights in the scene\n\t\t// (not to blow over maxLights budget)\n\n\t\tif ( material.precision !== null ) {\n\n\t\t\tprecision = capabilities.getMaxPrecision( material.precision );\n\n\t\t\tif ( precision !== material.precision ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tconst morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color;\n\t\tconst morphTargetsCount = ( morphAttribute !== undefined ) ? morphAttribute.length : 0;\n\n\t\tlet morphTextureStride = 0;\n\n\t\tif ( geometry.morphAttributes.position !== undefined ) morphTextureStride = 1;\n\t\tif ( geometry.morphAttributes.normal !== undefined ) morphTextureStride = 2;\n\t\tif ( geometry.morphAttributes.color !== undefined ) morphTextureStride = 3;\n\n\t\t//\n\n\t\tlet vertexShader, fragmentShader;\n\t\tlet customVertexShaderID, customFragmentShaderID;\n\n\t\tif ( shaderID ) {\n\n\t\t\tconst shader = ShaderLib[ shaderID ];\n\n\t\t\tvertexShader = shader.vertexShader;\n\t\t\tfragmentShader = shader.fragmentShader;\n\n\t\t} else {\n\n\t\t\tvertexShader = material.vertexShader;\n\t\t\tfragmentShader = material.fragmentShader;\n\n\t\t\t_customShaders.update( material );\n\n\t\t\tcustomVertexShaderID = _customShaders.getVertexShaderID( material );\n\t\t\tcustomFragmentShaderID = _customShaders.getFragmentShaderID( material );\n\n\t\t}\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\t\tconst reverseDepthBuffer = renderer.state.buffers.depth.getReversed();\n\n\t\tconst IS_INSTANCEDMESH = object.isInstancedMesh === true;\n\t\tconst IS_BATCHEDMESH = object.isBatchedMesh === true;\n\n\t\tconst HAS_MAP = !! material.map;\n\t\tconst HAS_MATCAP = !! material.matcap;\n\t\tconst HAS_ENVMAP = !! envMap;\n\t\tconst HAS_AOMAP = !! material.aoMap;\n\t\tconst HAS_LIGHTMAP = !! material.lightMap;\n\t\tconst HAS_BUMPMAP = !! material.bumpMap;\n\t\tconst HAS_NORMALMAP = !! material.normalMap;\n\t\tconst HAS_DISPLACEMENTMAP = !! material.displacementMap;\n\t\tconst HAS_EMISSIVEMAP = !! material.emissiveMap;\n\n\t\tconst HAS_METALNESSMAP = !! material.metalnessMap;\n\t\tconst HAS_ROUGHNESSMAP = !! material.roughnessMap;\n\n\t\tconst HAS_ANISOTROPY = material.anisotropy > 0;\n\t\tconst HAS_CLEARCOAT = material.clearcoat > 0;\n\t\tconst HAS_DISPERSION = material.dispersion > 0;\n\t\tconst HAS_IRIDESCENCE = material.iridescence > 0;\n\t\tconst HAS_SHEEN = material.sheen > 0;\n\t\tconst HAS_TRANSMISSION = material.transmission > 0;\n\n\t\tconst HAS_ANISOTROPYMAP = HAS_ANISOTROPY && !! material.anisotropyMap;\n\n\t\tconst HAS_CLEARCOATMAP = HAS_CLEARCOAT && !! material.clearcoatMap;\n\t\tconst HAS_CLEARCOAT_NORMALMAP = HAS_CLEARCOAT && !! material.clearcoatNormalMap;\n\t\tconst HAS_CLEARCOAT_ROUGHNESSMAP = HAS_CLEARCOAT && !! material.clearcoatRoughnessMap;\n\n\t\tconst HAS_IRIDESCENCEMAP = HAS_IRIDESCENCE && !! material.iridescenceMap;\n\t\tconst HAS_IRIDESCENCE_THICKNESSMAP = HAS_IRIDESCENCE && !! material.iridescenceThicknessMap;\n\n\t\tconst HAS_SHEEN_COLORMAP = HAS_SHEEN && !! material.sheenColorMap;\n\t\tconst HAS_SHEEN_ROUGHNESSMAP = HAS_SHEEN && !! material.sheenRoughnessMap;\n\n\t\tconst HAS_SPECULARMAP = !! material.specularMap;\n\t\tconst HAS_SPECULAR_COLORMAP = !! material.specularColorMap;\n\t\tconst HAS_SPECULAR_INTENSITYMAP = !! material.specularIntensityMap;\n\n\t\tconst HAS_TRANSMISSIONMAP = HAS_TRANSMISSION && !! material.transmissionMap;\n\t\tconst HAS_THICKNESSMAP = HAS_TRANSMISSION && !! material.thicknessMap;\n\n\t\tconst HAS_GRADIENTMAP = !! material.gradientMap;\n\n\t\tconst HAS_ALPHAMAP = !! material.alphaMap;\n\n\t\tconst HAS_ALPHATEST = material.alphaTest > 0;\n\n\t\tconst HAS_ALPHAHASH = !! material.alphaHash;\n\n\t\tconst HAS_EXTENSIONS = !! material.extensions;\n\n\t\tlet toneMapping = NoToneMapping;\n\n\t\tif ( material.toneMapped ) {\n\n\t\t\tif ( currentRenderTarget === null || currentRenderTarget.isXRRenderTarget === true ) {\n\n\t\t\t\ttoneMapping = renderer.toneMapping;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst parameters = {\n\n\t\t\tshaderID: shaderID,\n\t\t\tshaderType: material.type,\n\t\t\tshaderName: material.name,\n\n\t\t\tvertexShader: vertexShader,\n\t\t\tfragmentShader: fragmentShader,\n\t\t\tdefines: material.defines,\n\n\t\t\tcustomVertexShaderID: customVertexShaderID,\n\t\t\tcustomFragmentShaderID: customFragmentShaderID,\n\n\t\t\tisRawShaderMaterial: material.isRawShaderMaterial === true,\n\t\t\tglslVersion: material.glslVersion,\n\n\t\t\tprecision: precision,\n\n\t\t\tbatching: IS_BATCHEDMESH,\n\t\t\tbatchingColor: IS_BATCHEDMESH && object._colorsTexture !== null,\n\t\t\tinstancing: IS_INSTANCEDMESH,\n\t\t\tinstancingColor: IS_INSTANCEDMESH && object.instanceColor !== null,\n\t\t\tinstancingMorph: IS_INSTANCEDMESH && object.morphTexture !== null,\n\n\t\t\tsupportsVertexTextures: SUPPORTS_VERTEX_TEXTURES,\n\t\t\toutputColorSpace: ( currentRenderTarget === null ) ? renderer.outputColorSpace : ( currentRenderTarget.isXRRenderTarget === true ? currentRenderTarget.texture.colorSpace : LinearSRGBColorSpace ),\n\t\t\talphaToCoverage: !! material.alphaToCoverage,\n\n\t\t\tmap: HAS_MAP,\n\t\t\tmatcap: HAS_MATCAP,\n\t\t\tenvMap: HAS_ENVMAP,\n\t\t\tenvMapMode: HAS_ENVMAP && envMap.mapping,\n\t\t\tenvMapCubeUVHeight: envMapCubeUVHeight,\n\t\t\taoMap: HAS_AOMAP,\n\t\t\tlightMap: HAS_LIGHTMAP,\n\t\t\tbumpMap: HAS_BUMPMAP,\n\t\t\tnormalMap: HAS_NORMALMAP,\n\t\t\tdisplacementMap: SUPPORTS_VERTEX_TEXTURES && HAS_DISPLACEMENTMAP,\n\t\t\temissiveMap: HAS_EMISSIVEMAP,\n\n\t\t\tnormalMapObjectSpace: HAS_NORMALMAP && material.normalMapType === ObjectSpaceNormalMap,\n\t\t\tnormalMapTangentSpace: HAS_NORMALMAP && material.normalMapType === TangentSpaceNormalMap,\n\n\t\t\tmetalnessMap: HAS_METALNESSMAP,\n\t\t\troughnessMap: HAS_ROUGHNESSMAP,\n\n\t\t\tanisotropy: HAS_ANISOTROPY,\n\t\t\tanisotropyMap: HAS_ANISOTROPYMAP,\n\n\t\t\tclearcoat: HAS_CLEARCOAT,\n\t\t\tclearcoatMap: HAS_CLEARCOATMAP,\n\t\t\tclearcoatNormalMap: HAS_CLEARCOAT_NORMALMAP,\n\t\t\tclearcoatRoughnessMap: HAS_CLEARCOAT_ROUGHNESSMAP,\n\n\t\t\tdispersion: HAS_DISPERSION,\n\n\t\t\tiridescence: HAS_IRIDESCENCE,\n\t\t\tiridescenceMap: HAS_IRIDESCENCEMAP,\n\t\t\tiridescenceThicknessMap: HAS_IRIDESCENCE_THICKNESSMAP,\n\n\t\t\tsheen: HAS_SHEEN,\n\t\t\tsheenColorMap: HAS_SHEEN_COLORMAP,\n\t\t\tsheenRoughnessMap: HAS_SHEEN_ROUGHNESSMAP,\n\n\t\t\tspecularMap: HAS_SPECULARMAP,\n\t\t\tspecularColorMap: HAS_SPECULAR_COLORMAP,\n\t\t\tspecularIntensityMap: HAS_SPECULAR_INTENSITYMAP,\n\n\t\t\ttransmission: HAS_TRANSMISSION,\n\t\t\ttransmissionMap: HAS_TRANSMISSIONMAP,\n\t\t\tthicknessMap: HAS_THICKNESSMAP,\n\n\t\t\tgradientMap: HAS_GRADIENTMAP,\n\n\t\t\topaque: material.transparent === false && material.blending === NormalBlending && material.alphaToCoverage === false,\n\n\t\t\talphaMap: HAS_ALPHAMAP,\n\t\t\talphaTest: HAS_ALPHATEST,\n\t\t\talphaHash: HAS_ALPHAHASH,\n\n\t\t\tcombine: material.combine,\n\n\t\t\t//\n\n\t\t\tmapUv: HAS_MAP && getChannel( material.map.channel ),\n\t\t\taoMapUv: HAS_AOMAP && getChannel( material.aoMap.channel ),\n\t\t\tlightMapUv: HAS_LIGHTMAP && getChannel( material.lightMap.channel ),\n\t\t\tbumpMapUv: HAS_BUMPMAP && getChannel( material.bumpMap.channel ),\n\t\t\tnormalMapUv: HAS_NORMALMAP && getChannel( material.normalMap.channel ),\n\t\t\tdisplacementMapUv: HAS_DISPLACEMENTMAP && getChannel( material.displacementMap.channel ),\n\t\t\temissiveMapUv: HAS_EMISSIVEMAP && getChannel( material.emissiveMap.channel ),\n\n\t\t\tmetalnessMapUv: HAS_METALNESSMAP && getChannel( material.metalnessMap.channel ),\n\t\t\troughnessMapUv: HAS_ROUGHNESSMAP && getChannel( material.roughnessMap.channel ),\n\n\t\t\tanisotropyMapUv: HAS_ANISOTROPYMAP && getChannel( material.anisotropyMap.channel ),\n\n\t\t\tclearcoatMapUv: HAS_CLEARCOATMAP && getChannel( material.clearcoatMap.channel ),\n\t\t\tclearcoatNormalMapUv: HAS_CLEARCOAT_NORMALMAP && getChannel( material.clearcoatNormalMap.channel ),\n\t\t\tclearcoatRoughnessMapUv: HAS_CLEARCOAT_ROUGHNESSMAP && getChannel( material.clearcoatRoughnessMap.channel ),\n\n\t\t\tiridescenceMapUv: HAS_IRIDESCENCEMAP && getChannel( material.iridescenceMap.channel ),\n\t\t\tiridescenceThicknessMapUv: HAS_IRIDESCENCE_THICKNESSMAP && getChannel( material.iridescenceThicknessMap.channel ),\n\n\t\t\tsheenColorMapUv: HAS_SHEEN_COLORMAP && getChannel( material.sheenColorMap.channel ),\n\t\t\tsheenRoughnessMapUv: HAS_SHEEN_ROUGHNESSMAP && getChannel( material.sheenRoughnessMap.channel ),\n\n\t\t\tspecularMapUv: HAS_SPECULARMAP && getChannel( material.specularMap.channel ),\n\t\t\tspecularColorMapUv: HAS_SPECULAR_COLORMAP && getChannel( material.specularColorMap.channel ),\n\t\t\tspecularIntensityMapUv: HAS_SPECULAR_INTENSITYMAP && getChannel( material.specularIntensityMap.channel ),\n\n\t\t\ttransmissionMapUv: HAS_TRANSMISSIONMAP && getChannel( material.transmissionMap.channel ),\n\t\t\tthicknessMapUv: HAS_THICKNESSMAP && getChannel( material.thicknessMap.channel ),\n\n\t\t\talphaMapUv: HAS_ALPHAMAP && getChannel( material.alphaMap.channel ),\n\n\t\t\t//\n\n\t\t\tvertexTangents: !! geometry.attributes.tangent && ( HAS_NORMALMAP || HAS_ANISOTROPY ),\n\t\t\tvertexColors: material.vertexColors,\n\t\t\tvertexAlphas: material.vertexColors === true && !! geometry.attributes.color && geometry.attributes.color.itemSize === 4,\n\n\t\t\tpointsUvs: object.isPoints === true && !! geometry.attributes.uv && ( HAS_MAP || HAS_ALPHAMAP ),\n\n\t\t\tfog: !! fog,\n\t\t\tuseFog: material.fog === true,\n\t\t\tfogExp2: ( !! fog && fog.isFogExp2 ),\n\n\t\t\tflatShading: material.flatShading === true,\n\n\t\t\tsizeAttenuation: material.sizeAttenuation === true,\n\t\t\tlogarithmicDepthBuffer: logarithmicDepthBuffer,\n\t\t\treverseDepthBuffer: reverseDepthBuffer,\n\n\t\t\tskinning: object.isSkinnedMesh === true,\n\n\t\t\tmorphTargets: geometry.morphAttributes.position !== undefined,\n\t\t\tmorphNormals: geometry.morphAttributes.normal !== undefined,\n\t\t\tmorphColors: geometry.morphAttributes.color !== undefined,\n\t\t\tmorphTargetsCount: morphTargetsCount,\n\t\t\tmorphTextureStride: morphTextureStride,\n\n\t\t\tnumDirLights: lights.directional.length,\n\t\t\tnumPointLights: lights.point.length,\n\t\t\tnumSpotLights: lights.spot.length,\n\t\t\tnumSpotLightMaps: lights.spotLightMap.length,\n\t\t\tnumRectAreaLights: lights.rectArea.length,\n\t\t\tnumHemiLights: lights.hemi.length,\n\n\t\t\tnumDirLightShadows: lights.directionalShadowMap.length,\n\t\t\tnumPointLightShadows: lights.pointShadowMap.length,\n\t\t\tnumSpotLightShadows: lights.spotShadowMap.length,\n\t\t\tnumSpotLightShadowsWithMaps: lights.numSpotLightShadowsWithMaps,\n\n\t\t\tnumLightProbes: lights.numLightProbes,\n\n\t\t\tnumClippingPlanes: clipping.numPlanes,\n\t\t\tnumClipIntersection: clipping.numIntersection,\n\n\t\t\tdithering: material.dithering,\n\n\t\t\tshadowMapEnabled: renderer.shadowMap.enabled && shadows.length > 0,\n\t\t\tshadowMapType: renderer.shadowMap.type,\n\n\t\t\ttoneMapping: toneMapping,\n\n\t\t\tdecodeVideoTexture: HAS_MAP && ( material.map.isVideoTexture === true ) && ( ColorManagement.getTransfer( material.map.colorSpace ) === SRGBTransfer ),\n\t\t\tdecodeVideoTextureEmissive: HAS_EMISSIVEMAP && ( material.emissiveMap.isVideoTexture === true ) && ( ColorManagement.getTransfer( material.emissiveMap.colorSpace ) === SRGBTransfer ),\n\n\t\t\tpremultipliedAlpha: material.premultipliedAlpha,\n\n\t\t\tdoubleSided: material.side === DoubleSide,\n\t\t\tflipSided: material.side === BackSide,\n\n\t\t\tuseDepthPacking: material.depthPacking >= 0,\n\t\t\tdepthPacking: material.depthPacking || 0,\n\n\t\t\tindex0AttributeName: material.index0AttributeName,\n\n\t\t\textensionClipCullDistance: HAS_EXTENSIONS && material.extensions.clipCullDistance === true && extensions.has( 'WEBGL_clip_cull_distance' ),\n\t\t\textensionMultiDraw: ( HAS_EXTENSIONS && material.extensions.multiDraw === true || IS_BATCHEDMESH ) && extensions.has( 'WEBGL_multi_draw' ),\n\n\t\t\trendererExtensionParallelShaderCompile: extensions.has( 'KHR_parallel_shader_compile' ),\n\n\t\t\tcustomProgramCacheKey: material.customProgramCacheKey()\n\n\t\t};\n\n\t\t// the usage of getChannel() determines the active texture channels for this shader\n\n\t\tparameters.vertexUv1s = _activeChannels.has( 1 );\n\t\tparameters.vertexUv2s = _activeChannels.has( 2 );\n\t\tparameters.vertexUv3s = _activeChannels.has( 3 );\n\n\t\t_activeChannels.clear();\n\n\t\treturn parameters;\n\n\t}\n\n\tfunction getProgramCacheKey( parameters ) {\n\n\t\tconst array = [];\n\n\t\tif ( parameters.shaderID ) {\n\n\t\t\tarray.push( parameters.shaderID );\n\n\t\t} else {\n\n\t\t\tarray.push( parameters.customVertexShaderID );\n\t\t\tarray.push( parameters.customFragmentShaderID );\n\n\t\t}\n\n\t\tif ( parameters.defines !== undefined ) {\n\n\t\t\tfor ( const name in parameters.defines ) {\n\n\t\t\t\tarray.push( name );\n\t\t\t\tarray.push( parameters.defines[ name ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( parameters.isRawShaderMaterial === false ) {\n\n\t\t\tgetProgramCacheKeyParameters( array, parameters );\n\t\t\tgetProgramCacheKeyBooleans( array, parameters );\n\t\t\tarray.push( renderer.outputColorSpace );\n\n\t\t}\n\n\t\tarray.push( parameters.customProgramCacheKey );\n\n\t\treturn array.join();\n\n\t}\n\n\tfunction getProgramCacheKeyParameters( array, parameters ) {\n\n\t\tarray.push( parameters.precision );\n\t\tarray.push( parameters.outputColorSpace );\n\t\tarray.push( parameters.envMapMode );\n\t\tarray.push( parameters.envMapCubeUVHeight );\n\t\tarray.push( parameters.mapUv );\n\t\tarray.push( parameters.alphaMapUv );\n\t\tarray.push( parameters.lightMapUv );\n\t\tarray.push( parameters.aoMapUv );\n\t\tarray.push( parameters.bumpMapUv );\n\t\tarray.push( parameters.normalMapUv );\n\t\tarray.push( parameters.displacementMapUv );\n\t\tarray.push( parameters.emissiveMapUv );\n\t\tarray.push( parameters.metalnessMapUv );\n\t\tarray.push( parameters.roughnessMapUv );\n\t\tarray.push( parameters.anisotropyMapUv );\n\t\tarray.push( parameters.clearcoatMapUv );\n\t\tarray.push( parameters.clearcoatNormalMapUv );\n\t\tarray.push( parameters.clearcoatRoughnessMapUv );\n\t\tarray.push( parameters.iridescenceMapUv );\n\t\tarray.push( parameters.iridescenceThicknessMapUv );\n\t\tarray.push( parameters.sheenColorMapUv );\n\t\tarray.push( parameters.sheenRoughnessMapUv );\n\t\tarray.push( parameters.specularMapUv );\n\t\tarray.push( parameters.specularColorMapUv );\n\t\tarray.push( parameters.specularIntensityMapUv );\n\t\tarray.push( parameters.transmissionMapUv );\n\t\tarray.push( parameters.thicknessMapUv );\n\t\tarray.push( parameters.combine );\n\t\tarray.push( parameters.fogExp2 );\n\t\tarray.push( parameters.sizeAttenuation );\n\t\tarray.push( parameters.morphTargetsCount );\n\t\tarray.push( parameters.morphAttributeCount );\n\t\tarray.push( parameters.numDirLights );\n\t\tarray.push( parameters.numPointLights );\n\t\tarray.push( parameters.numSpotLights );\n\t\tarray.push( parameters.numSpotLightMaps );\n\t\tarray.push( parameters.numHemiLights );\n\t\tarray.push( parameters.numRectAreaLights );\n\t\tarray.push( parameters.numDirLightShadows );\n\t\tarray.push( parameters.numPointLightShadows );\n\t\tarray.push( parameters.numSpotLightShadows );\n\t\tarray.push( parameters.numSpotLightShadowsWithMaps );\n\t\tarray.push( parameters.numLightProbes );\n\t\tarray.push( parameters.shadowMapType );\n\t\tarray.push( parameters.toneMapping );\n\t\tarray.push( parameters.numClippingPlanes );\n\t\tarray.push( parameters.numClipIntersection );\n\t\tarray.push( parameters.depthPacking );\n\n\t}\n\n\tfunction getProgramCacheKeyBooleans( array, parameters ) {\n\n\t\t_programLayers.disableAll();\n\n\t\tif ( parameters.supportsVertexTextures )\n\t\t\t_programLayers.enable( 0 );\n\t\tif ( parameters.instancing )\n\t\t\t_programLayers.enable( 1 );\n\t\tif ( parameters.instancingColor )\n\t\t\t_programLayers.enable( 2 );\n\t\tif ( parameters.instancingMorph )\n\t\t\t_programLayers.enable( 3 );\n\t\tif ( parameters.matcap )\n\t\t\t_programLayers.enable( 4 );\n\t\tif ( parameters.envMap )\n\t\t\t_programLayers.enable( 5 );\n\t\tif ( parameters.normalMapObjectSpace )\n\t\t\t_programLayers.enable( 6 );\n\t\tif ( parameters.normalMapTangentSpace )\n\t\t\t_programLayers.enable( 7 );\n\t\tif ( parameters.clearcoat )\n\t\t\t_programLayers.enable( 8 );\n\t\tif ( parameters.iridescence )\n\t\t\t_programLayers.enable( 9 );\n\t\tif ( parameters.alphaTest )\n\t\t\t_programLayers.enable( 10 );\n\t\tif ( parameters.vertexColors )\n\t\t\t_programLayers.enable( 11 );\n\t\tif ( parameters.vertexAlphas )\n\t\t\t_programLayers.enable( 12 );\n\t\tif ( parameters.vertexUv1s )\n\t\t\t_programLayers.enable( 13 );\n\t\tif ( parameters.vertexUv2s )\n\t\t\t_programLayers.enable( 14 );\n\t\tif ( parameters.vertexUv3s )\n\t\t\t_programLayers.enable( 15 );\n\t\tif ( parameters.vertexTangents )\n\t\t\t_programLayers.enable( 16 );\n\t\tif ( parameters.anisotropy )\n\t\t\t_programLayers.enable( 17 );\n\t\tif ( parameters.alphaHash )\n\t\t\t_programLayers.enable( 18 );\n\t\tif ( parameters.batching )\n\t\t\t_programLayers.enable( 19 );\n\t\tif ( parameters.dispersion )\n\t\t\t_programLayers.enable( 20 );\n\t\tif ( parameters.batchingColor )\n\t\t\t_programLayers.enable( 21 );\n\n\t\tarray.push( _programLayers.mask );\n\t\t_programLayers.disableAll();\n\n\t\tif ( parameters.fog )\n\t\t\t_programLayers.enable( 0 );\n\t\tif ( parameters.useFog )\n\t\t\t_programLayers.enable( 1 );\n\t\tif ( parameters.flatShading )\n\t\t\t_programLayers.enable( 2 );\n\t\tif ( parameters.logarithmicDepthBuffer )\n\t\t\t_programLayers.enable( 3 );\n\t\tif ( parameters.reverseDepthBuffer )\n\t\t\t_programLayers.enable( 4 );\n\t\tif ( parameters.skinning )\n\t\t\t_programLayers.enable( 5 );\n\t\tif ( parameters.morphTargets )\n\t\t\t_programLayers.enable( 6 );\n\t\tif ( parameters.morphNormals )\n\t\t\t_programLayers.enable( 7 );\n\t\tif ( parameters.morphColors )\n\t\t\t_programLayers.enable( 8 );\n\t\tif ( parameters.premultipliedAlpha )\n\t\t\t_programLayers.enable( 9 );\n\t\tif ( parameters.shadowMapEnabled )\n\t\t\t_programLayers.enable( 10 );\n\t\tif ( parameters.doubleSided )\n\t\t\t_programLayers.enable( 11 );\n\t\tif ( parameters.flipSided )\n\t\t\t_programLayers.enable( 12 );\n\t\tif ( parameters.useDepthPacking )\n\t\t\t_programLayers.enable( 13 );\n\t\tif ( parameters.dithering )\n\t\t\t_programLayers.enable( 14 );\n\t\tif ( parameters.transmission )\n\t\t\t_programLayers.enable( 15 );\n\t\tif ( parameters.sheen )\n\t\t\t_programLayers.enable( 16 );\n\t\tif ( parameters.opaque )\n\t\t\t_programLayers.enable( 17 );\n\t\tif ( parameters.pointsUvs )\n\t\t\t_programLayers.enable( 18 );\n\t\tif ( parameters.decodeVideoTexture )\n\t\t\t_programLayers.enable( 19 );\n\t\tif ( parameters.decodeVideoTextureEmissive )\n\t\t\t_programLayers.enable( 20 );\n\t\tif ( parameters.alphaToCoverage )\n\t\t\t_programLayers.enable( 21 );\n\n\t\tarray.push( _programLayers.mask );\n\n\t}\n\n\tfunction getUniforms( material ) {\n\n\t\tconst shaderID = shaderIDs[ material.type ];\n\t\tlet uniforms;\n\n\t\tif ( shaderID ) {\n\n\t\t\tconst shader = ShaderLib[ shaderID ];\n\t\t\tuniforms = UniformsUtils.clone( shader.uniforms );\n\n\t\t} else {\n\n\t\t\tuniforms = material.uniforms;\n\n\t\t}\n\n\t\treturn uniforms;\n\n\t}\n\n\tfunction acquireProgram( parameters, cacheKey ) {\n\n\t\tlet program;\n\n\t\t// Check if code has been already compiled\n\t\tfor ( let p = 0, pl = programs.length; p < pl; p ++ ) {\n\n\t\t\tconst preexistingProgram = programs[ p ];\n\n\t\t\tif ( preexistingProgram.cacheKey === cacheKey ) {\n\n\t\t\t\tprogram = preexistingProgram;\n\t\t\t\t++ program.usedTimes;\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( program === undefined ) {\n\n\t\t\tprogram = new WebGLProgram( renderer, cacheKey, parameters, bindingStates );\n\t\t\tprograms.push( program );\n\n\t\t}\n\n\t\treturn program;\n\n\t}\n\n\tfunction releaseProgram( program ) {\n\n\t\tif ( -- program.usedTimes === 0 ) {\n\n\t\t\t// Remove from unordered set\n\t\t\tconst i = programs.indexOf( program );\n\t\t\tprograms[ i ] = programs[ programs.length - 1 ];\n\t\t\tprograms.pop();\n\n\t\t\t// Free WebGL resources\n\t\t\tprogram.destroy();\n\n\t\t}\n\n\t}\n\n\tfunction releaseShaderCache( material ) {\n\n\t\t_customShaders.remove( material );\n\n\t}\n\n\tfunction dispose() {\n\n\t\t_customShaders.dispose();\n\n\t}\n\n\treturn {\n\t\tgetParameters: getParameters,\n\t\tgetProgramCacheKey: getProgramCacheKey,\n\t\tgetUniforms: getUniforms,\n\t\tacquireProgram: acquireProgram,\n\t\treleaseProgram: releaseProgram,\n\t\treleaseShaderCache: releaseShaderCache,\n\t\t// Exposed for resource monitoring & error feedback via renderer.info:\n\t\tprograms: programs,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction WebGLProperties() {\n\n\tlet properties = new WeakMap();\n\n\tfunction has( object ) {\n\n\t\treturn properties.has( object );\n\n\t}\n\n\tfunction get( object ) {\n\n\t\tlet map = properties.get( object );\n\n\t\tif ( map === undefined ) {\n\n\t\t\tmap = {};\n\t\t\tproperties.set( object, map );\n\n\t\t}\n\n\t\treturn map;\n\n\t}\n\n\tfunction remove( object ) {\n\n\t\tproperties.delete( object );\n\n\t}\n\n\tfunction update( object, key, value ) {\n\n\t\tproperties.get( object )[ key ] = value;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tproperties = new WeakMap();\n\n\t}\n\n\treturn {\n\t\thas: has,\n\t\tget: get,\n\t\tremove: remove,\n\t\tupdate: update,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction painterSortStable( a, b ) {\n\n\tif ( a.groupOrder !== b.groupOrder ) {\n\n\t\treturn a.groupOrder - b.groupOrder;\n\n\t} else if ( a.renderOrder !== b.renderOrder ) {\n\n\t\treturn a.renderOrder - b.renderOrder;\n\n\t} else if ( a.material.id !== b.material.id ) {\n\n\t\treturn a.material.id - b.material.id;\n\n\t} else if ( a.z !== b.z ) {\n\n\t\treturn a.z - b.z;\n\n\t} else {\n\n\t\treturn a.id - b.id;\n\n\t}\n\n}\n\nfunction reversePainterSortStable( a, b ) {\n\n\tif ( a.groupOrder !== b.groupOrder ) {\n\n\t\treturn a.groupOrder - b.groupOrder;\n\n\t} else if ( a.renderOrder !== b.renderOrder ) {\n\n\t\treturn a.renderOrder - b.renderOrder;\n\n\t} else if ( a.z !== b.z ) {\n\n\t\treturn b.z - a.z;\n\n\t} else {\n\n\t\treturn a.id - b.id;\n\n\t}\n\n}\n\n\nfunction WebGLRenderList() {\n\n\tconst renderItems = [];\n\tlet renderItemsIndex = 0;\n\n\tconst opaque = [];\n\tconst transmissive = [];\n\tconst transparent = [];\n\n\tfunction init() {\n\n\t\trenderItemsIndex = 0;\n\n\t\topaque.length = 0;\n\t\ttransmissive.length = 0;\n\t\ttransparent.length = 0;\n\n\t}\n\n\tfunction getNextRenderItem( object, geometry, material, groupOrder, z, group ) {\n\n\t\tlet renderItem = renderItems[ renderItemsIndex ];\n\n\t\tif ( renderItem === undefined ) {\n\n\t\t\trenderItem = {\n\t\t\t\tid: object.id,\n\t\t\t\tobject: object,\n\t\t\t\tgeometry: geometry,\n\t\t\t\tmaterial: material,\n\t\t\t\tgroupOrder: groupOrder,\n\t\t\t\trenderOrder: object.renderOrder,\n\t\t\t\tz: z,\n\t\t\t\tgroup: group\n\t\t\t};\n\n\t\t\trenderItems[ renderItemsIndex ] = renderItem;\n\n\t\t} else {\n\n\t\t\trenderItem.id = object.id;\n\t\t\trenderItem.object = object;\n\t\t\trenderItem.geometry = geometry;\n\t\t\trenderItem.material = material;\n\t\t\trenderItem.groupOrder = groupOrder;\n\t\t\trenderItem.renderOrder = object.renderOrder;\n\t\t\trenderItem.z = z;\n\t\t\trenderItem.group = group;\n\n\t\t}\n\n\t\trenderItemsIndex ++;\n\n\t\treturn renderItem;\n\n\t}\n\n\tfunction push( object, geometry, material, groupOrder, z, group ) {\n\n\t\tconst renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group );\n\n\t\tif ( material.transmission > 0.0 ) {\n\n\t\t\ttransmissive.push( renderItem );\n\n\t\t} else if ( material.transparent === true ) {\n\n\t\t\ttransparent.push( renderItem );\n\n\t\t} else {\n\n\t\t\topaque.push( renderItem );\n\n\t\t}\n\n\t}\n\n\tfunction unshift( object, geometry, material, groupOrder, z, group ) {\n\n\t\tconst renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group );\n\n\t\tif ( material.transmission > 0.0 ) {\n\n\t\t\ttransmissive.unshift( renderItem );\n\n\t\t} else if ( material.transparent === true ) {\n\n\t\t\ttransparent.unshift( renderItem );\n\n\t\t} else {\n\n\t\t\topaque.unshift( renderItem );\n\n\t\t}\n\n\t}\n\n\tfunction sort( customOpaqueSort, customTransparentSort ) {\n\n\t\tif ( opaque.length > 1 ) opaque.sort( customOpaqueSort || painterSortStable );\n\t\tif ( transmissive.length > 1 ) transmissive.sort( customTransparentSort || reversePainterSortStable );\n\t\tif ( transparent.length > 1 ) transparent.sort( customTransparentSort || reversePainterSortStable );\n\n\t}\n\n\tfunction finish() {\n\n\t\t// Clear references from inactive renderItems in the list\n\n\t\tfor ( let i = renderItemsIndex, il = renderItems.length; i < il; i ++ ) {\n\n\t\t\tconst renderItem = renderItems[ i ];\n\n\t\t\tif ( renderItem.id === null ) break;\n\n\t\t\trenderItem.id = null;\n\t\t\trenderItem.object = null;\n\t\t\trenderItem.geometry = null;\n\t\t\trenderItem.material = null;\n\t\t\trenderItem.group = null;\n\n\t\t}\n\n\t}\n\n\treturn {\n\n\t\topaque: opaque,\n\t\ttransmissive: transmissive,\n\t\ttransparent: transparent,\n\n\t\tinit: init,\n\t\tpush: push,\n\t\tunshift: unshift,\n\t\tfinish: finish,\n\n\t\tsort: sort\n\t};\n\n}\n\nfunction WebGLRenderLists() {\n\n\tlet lists = new WeakMap();\n\n\tfunction get( scene, renderCallDepth ) {\n\n\t\tconst listArray = lists.get( scene );\n\t\tlet list;\n\n\t\tif ( listArray === undefined ) {\n\n\t\t\tlist = new WebGLRenderList();\n\t\t\tlists.set( scene, [ list ] );\n\n\t\t} else {\n\n\t\t\tif ( renderCallDepth >= listArray.length ) {\n\n\t\t\t\tlist = new WebGLRenderList();\n\t\t\t\tlistArray.push( list );\n\n\t\t\t} else {\n\n\t\t\t\tlist = listArray[ renderCallDepth ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn list;\n\n\t}\n\n\tfunction dispose() {\n\n\t\tlists = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nfunction UniformsCache() {\n\n\tconst lights = {};\n\n\treturn {\n\n\t\tget: function ( light ) {\n\n\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\treturn lights[ light.id ];\n\n\t\t\t}\n\n\t\t\tlet uniforms;\n\n\t\t\tswitch ( light.type ) {\n\n\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tcolor: new Color()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'SpotLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\tconeCos: 0,\n\t\t\t\t\t\tpenumbraCos: 0,\n\t\t\t\t\t\tdecay: 0\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'PointLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tdistance: 0,\n\t\t\t\t\t\tdecay: 0\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'HemisphereLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tdirection: new Vector3(),\n\t\t\t\t\t\tskyColor: new Color(),\n\t\t\t\t\t\tgroundColor: new Color()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'RectAreaLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tcolor: new Color(),\n\t\t\t\t\t\tposition: new Vector3(),\n\t\t\t\t\t\thalfWidth: new Vector3(),\n\t\t\t\t\t\thalfHeight: new Vector3()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\treturn uniforms;\n\n\t\t}\n\n\t};\n\n}\n\nfunction ShadowUniformsCache() {\n\n\tconst lights = {};\n\n\treturn {\n\n\t\tget: function ( light ) {\n\n\t\t\tif ( lights[ light.id ] !== undefined ) {\n\n\t\t\t\treturn lights[ light.id ];\n\n\t\t\t}\n\n\t\t\tlet uniforms;\n\n\t\t\tswitch ( light.type ) {\n\n\t\t\t\tcase 'DirectionalLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowIntensity: 1,\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'SpotLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowIntensity: 1,\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2()\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'PointLight':\n\t\t\t\t\tuniforms = {\n\t\t\t\t\t\tshadowIntensity: 1,\n\t\t\t\t\t\tshadowBias: 0,\n\t\t\t\t\t\tshadowNormalBias: 0,\n\t\t\t\t\t\tshadowRadius: 1,\n\t\t\t\t\t\tshadowMapSize: new Vector2(),\n\t\t\t\t\t\tshadowCameraNear: 1,\n\t\t\t\t\t\tshadowCameraFar: 1000\n\t\t\t\t\t};\n\t\t\t\t\tbreak;\n\n\t\t\t\t// TODO (abelnation): set RectAreaLight shadow uniforms\n\n\t\t\t}\n\n\t\t\tlights[ light.id ] = uniforms;\n\n\t\t\treturn uniforms;\n\n\t\t}\n\n\t};\n\n}\n\n\n\nlet nextVersion = 0;\n\nfunction shadowCastingAndTexturingLightsFirst( lightA, lightB ) {\n\n\treturn ( lightB.castShadow ? 2 : 0 ) - ( lightA.castShadow ? 2 : 0 ) + ( lightB.map ? 1 : 0 ) - ( lightA.map ? 1 : 0 );\n\n}\n\nfunction WebGLLights( extensions ) {\n\n\tconst cache = new UniformsCache();\n\n\tconst shadowCache = ShadowUniformsCache();\n\n\tconst state = {\n\n\t\tversion: 0,\n\n\t\thash: {\n\t\t\tdirectionalLength: - 1,\n\t\t\tpointLength: - 1,\n\t\t\tspotLength: - 1,\n\t\t\trectAreaLength: - 1,\n\t\t\themiLength: - 1,\n\n\t\t\tnumDirectionalShadows: - 1,\n\t\t\tnumPointShadows: - 1,\n\t\t\tnumSpotShadows: - 1,\n\t\t\tnumSpotMaps: - 1,\n\n\t\t\tnumLightProbes: - 1\n\t\t},\n\n\t\tambient: [ 0, 0, 0 ],\n\t\tprobe: [],\n\t\tdirectional: [],\n\t\tdirectionalShadow: [],\n\t\tdirectionalShadowMap: [],\n\t\tdirectionalShadowMatrix: [],\n\t\tspot: [],\n\t\tspotLightMap: [],\n\t\tspotShadow: [],\n\t\tspotShadowMap: [],\n\t\tspotLightMatrix: [],\n\t\trectArea: [],\n\t\trectAreaLTC1: null,\n\t\trectAreaLTC2: null,\n\t\tpoint: [],\n\t\tpointShadow: [],\n\t\tpointShadowMap: [],\n\t\tpointShadowMatrix: [],\n\t\themi: [],\n\t\tnumSpotLightShadowsWithMaps: 0,\n\t\tnumLightProbes: 0\n\n\t};\n\n\tfor ( let i = 0; i < 9; i ++ ) state.probe.push( new Vector3() );\n\n\tconst vector3 = new Vector3();\n\tconst matrix4 = new Matrix4();\n\tconst matrix42 = new Matrix4();\n\n\tfunction setup( lights ) {\n\n\t\tlet r = 0, g = 0, b = 0;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) state.probe[ i ].set( 0, 0, 0 );\n\n\t\tlet directionalLength = 0;\n\t\tlet pointLength = 0;\n\t\tlet spotLength = 0;\n\t\tlet rectAreaLength = 0;\n\t\tlet hemiLength = 0;\n\n\t\tlet numDirectionalShadows = 0;\n\t\tlet numPointShadows = 0;\n\t\tlet numSpotShadows = 0;\n\t\tlet numSpotMaps = 0;\n\t\tlet numSpotShadowsWithMaps = 0;\n\n\t\tlet numLightProbes = 0;\n\n\t\t// ordering : [shadow casting + map texturing, map texturing, shadow casting, none ]\n\t\tlights.sort( shadowCastingAndTexturingLightsFirst );\n\n\t\tfor ( let i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\n\t\t\tconst color = light.color;\n\t\t\tconst intensity = light.intensity;\n\t\t\tconst distance = light.distance;\n\n\t\t\tconst shadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null;\n\n\t\t\tif ( light.isAmbientLight ) {\n\n\t\t\t\tr += color.r * intensity;\n\t\t\t\tg += color.g * intensity;\n\t\t\t\tb += color.b * intensity;\n\n\t\t\t} else if ( light.isLightProbe ) {\n\n\t\t\t\tfor ( let j = 0; j < 9; j ++ ) {\n\n\t\t\t\t\tstate.probe[ j ].addScaledVector( light.sh.coefficients[ j ], intensity );\n\n\t\t\t\t}\n\n\t\t\t\tnumLightProbes ++;\n\n\t\t\t} else if ( light.isDirectionalLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity );\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowIntensity = shadow.intensity;\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\n\t\t\t\t\tstate.directionalShadow[ directionalLength ] = shadowUniforms;\n\t\t\t\t\tstate.directionalShadowMap[ directionalLength ] = shadowMap;\n\t\t\t\t\tstate.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix;\n\n\t\t\t\t\tnumDirectionalShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.directional[ directionalLength ] = uniforms;\n\n\t\t\t\tdirectionalLength ++;\n\n\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\n\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity );\n\t\t\t\tuniforms.distance = distance;\n\n\t\t\t\tuniforms.coneCos = Math.cos( light.angle );\n\t\t\t\tuniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) );\n\t\t\t\tuniforms.decay = light.decay;\n\n\t\t\t\tstate.spot[ spotLength ] = uniforms;\n\n\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\tif ( light.map ) {\n\n\t\t\t\t\tstate.spotLightMap[ numSpotMaps ] = light.map;\n\t\t\t\t\tnumSpotMaps ++;\n\n\t\t\t\t\t// make sure the lightMatrix is up to date\n\t\t\t\t\t// TODO : do it if required only\n\t\t\t\t\tshadow.updateMatrices( light );\n\n\t\t\t\t\tif ( light.castShadow ) numSpotShadowsWithMaps ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.spotLightMatrix[ spotLength ] = shadow.matrix;\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowIntensity = shadow.intensity;\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\n\t\t\t\t\tstate.spotShadow[ spotLength ] = shadowUniforms;\n\t\t\t\t\tstate.spotShadowMap[ spotLength ] = shadowMap;\n\n\t\t\t\t\tnumSpotShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tspotLength ++;\n\n\t\t\t} else if ( light.isRectAreaLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.color.copy( color ).multiplyScalar( intensity );\n\n\t\t\t\tuniforms.halfWidth.set( light.width * 0.5, 0.0, 0.0 );\n\t\t\t\tuniforms.halfHeight.set( 0.0, light.height * 0.5, 0.0 );\n\n\t\t\t\tstate.rectArea[ rectAreaLength ] = uniforms;\n\n\t\t\t\trectAreaLength ++;\n\n\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.color.copy( light.color ).multiplyScalar( light.intensity );\n\t\t\t\tuniforms.distance = light.distance;\n\t\t\t\tuniforms.decay = light.decay;\n\n\t\t\t\tif ( light.castShadow ) {\n\n\t\t\t\t\tconst shadow = light.shadow;\n\n\t\t\t\t\tconst shadowUniforms = shadowCache.get( light );\n\n\t\t\t\t\tshadowUniforms.shadowIntensity = shadow.intensity;\n\t\t\t\t\tshadowUniforms.shadowBias = shadow.bias;\n\t\t\t\t\tshadowUniforms.shadowNormalBias = shadow.normalBias;\n\t\t\t\t\tshadowUniforms.shadowRadius = shadow.radius;\n\t\t\t\t\tshadowUniforms.shadowMapSize = shadow.mapSize;\n\t\t\t\t\tshadowUniforms.shadowCameraNear = shadow.camera.near;\n\t\t\t\t\tshadowUniforms.shadowCameraFar = shadow.camera.far;\n\n\t\t\t\t\tstate.pointShadow[ pointLength ] = shadowUniforms;\n\t\t\t\t\tstate.pointShadowMap[ pointLength ] = shadowMap;\n\t\t\t\t\tstate.pointShadowMatrix[ pointLength ] = light.shadow.matrix;\n\n\t\t\t\t\tnumPointShadows ++;\n\n\t\t\t\t}\n\n\t\t\t\tstate.point[ pointLength ] = uniforms;\n\n\t\t\t\tpointLength ++;\n\n\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\tconst uniforms = cache.get( light );\n\n\t\t\t\tuniforms.skyColor.copy( light.color ).multiplyScalar( intensity );\n\t\t\t\tuniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity );\n\n\t\t\t\tstate.hemi[ hemiLength ] = uniforms;\n\n\t\t\t\themiLength ++;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( rectAreaLength > 0 ) {\n\n\t\t\tif ( extensions.has( 'OES_texture_float_linear' ) === true ) {\n\n\t\t\t\tstate.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1;\n\t\t\t\tstate.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2;\n\n\t\t\t} else {\n\n\t\t\t\tstate.rectAreaLTC1 = UniformsLib.LTC_HALF_1;\n\t\t\t\tstate.rectAreaLTC2 = UniformsLib.LTC_HALF_2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.ambient[ 0 ] = r;\n\t\tstate.ambient[ 1 ] = g;\n\t\tstate.ambient[ 2 ] = b;\n\n\t\tconst hash = state.hash;\n\n\t\tif ( hash.directionalLength !== directionalLength ||\n\t\t\thash.pointLength !== pointLength ||\n\t\t\thash.spotLength !== spotLength ||\n\t\t\thash.rectAreaLength !== rectAreaLength ||\n\t\t\thash.hemiLength !== hemiLength ||\n\t\t\thash.numDirectionalShadows !== numDirectionalShadows ||\n\t\t\thash.numPointShadows !== numPointShadows ||\n\t\t\thash.numSpotShadows !== numSpotShadows ||\n\t\t\thash.numSpotMaps !== numSpotMaps ||\n\t\t\thash.numLightProbes !== numLightProbes ) {\n\n\t\t\tstate.directional.length = directionalLength;\n\t\t\tstate.spot.length = spotLength;\n\t\t\tstate.rectArea.length = rectAreaLength;\n\t\t\tstate.point.length = pointLength;\n\t\t\tstate.hemi.length = hemiLength;\n\n\t\t\tstate.directionalShadow.length = numDirectionalShadows;\n\t\t\tstate.directionalShadowMap.length = numDirectionalShadows;\n\t\t\tstate.pointShadow.length = numPointShadows;\n\t\t\tstate.pointShadowMap.length = numPointShadows;\n\t\t\tstate.spotShadow.length = numSpotShadows;\n\t\t\tstate.spotShadowMap.length = numSpotShadows;\n\t\t\tstate.directionalShadowMatrix.length = numDirectionalShadows;\n\t\t\tstate.pointShadowMatrix.length = numPointShadows;\n\t\t\tstate.spotLightMatrix.length = numSpotShadows + numSpotMaps - numSpotShadowsWithMaps;\n\t\t\tstate.spotLightMap.length = numSpotMaps;\n\t\t\tstate.numSpotLightShadowsWithMaps = numSpotShadowsWithMaps;\n\t\t\tstate.numLightProbes = numLightProbes;\n\n\t\t\thash.directionalLength = directionalLength;\n\t\t\thash.pointLength = pointLength;\n\t\t\thash.spotLength = spotLength;\n\t\t\thash.rectAreaLength = rectAreaLength;\n\t\t\thash.hemiLength = hemiLength;\n\n\t\t\thash.numDirectionalShadows = numDirectionalShadows;\n\t\t\thash.numPointShadows = numPointShadows;\n\t\t\thash.numSpotShadows = numSpotShadows;\n\t\t\thash.numSpotMaps = numSpotMaps;\n\n\t\t\thash.numLightProbes = numLightProbes;\n\n\t\t\tstate.version = nextVersion ++;\n\n\t\t}\n\n\t}\n\n\tfunction setupView( lights, camera ) {\n\n\t\tlet directionalLength = 0;\n\t\tlet pointLength = 0;\n\t\tlet spotLength = 0;\n\t\tlet rectAreaLength = 0;\n\t\tlet hemiLength = 0;\n\n\t\tconst viewMatrix = camera.matrixWorldInverse;\n\n\t\tfor ( let i = 0, l = lights.length; i < l; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\n\t\t\tif ( light.isDirectionalLight ) {\n\n\t\t\t\tconst uniforms = state.directional[ directionalLength ];\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tvector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\tuniforms.direction.sub( vector3 );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\tdirectionalLength ++;\n\n\t\t\t} else if ( light.isSpotLight ) {\n\n\t\t\t\tconst uniforms = state.spot[ spotLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tvector3.setFromMatrixPosition( light.target.matrixWorld );\n\t\t\t\tuniforms.direction.sub( vector3 );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\tspotLength ++;\n\n\t\t\t} else if ( light.isRectAreaLight ) {\n\n\t\t\t\tconst uniforms = state.rectArea[ rectAreaLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\t// extract local rotation of light to derive width/height half vectors\n\t\t\t\tmatrix42.identity();\n\t\t\t\tmatrix4.copy( light.matrixWorld );\n\t\t\t\tmatrix4.premultiply( viewMatrix );\n\t\t\t\tmatrix42.extractRotation( matrix4 );\n\n\t\t\t\tuniforms.halfWidth.set( light.width * 0.5, 0.0, 0.0 );\n\t\t\t\tuniforms.halfHeight.set( 0.0, light.height * 0.5, 0.0 );\n\n\t\t\t\tuniforms.halfWidth.applyMatrix4( matrix42 );\n\t\t\t\tuniforms.halfHeight.applyMatrix4( matrix42 );\n\n\t\t\t\trectAreaLength ++;\n\n\t\t\t} else if ( light.isPointLight ) {\n\n\t\t\t\tconst uniforms = state.point[ pointLength ];\n\n\t\t\t\tuniforms.position.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.position.applyMatrix4( viewMatrix );\n\n\t\t\t\tpointLength ++;\n\n\t\t\t} else if ( light.isHemisphereLight ) {\n\n\t\t\t\tconst uniforms = state.hemi[ hemiLength ];\n\n\t\t\t\tuniforms.direction.setFromMatrixPosition( light.matrixWorld );\n\t\t\t\tuniforms.direction.transformDirection( viewMatrix );\n\n\t\t\t\themiLength ++;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tsetup: setup,\n\t\tsetupView: setupView,\n\t\tstate: state\n\t};\n\n}\n\nfunction WebGLRenderState( extensions ) {\n\n\tconst lights = new WebGLLights( extensions );\n\n\tconst lightsArray = [];\n\tconst shadowsArray = [];\n\n\tfunction init( camera ) {\n\n\t\tstate.camera = camera;\n\n\t\tlightsArray.length = 0;\n\t\tshadowsArray.length = 0;\n\n\t}\n\n\tfunction pushLight( light ) {\n\n\t\tlightsArray.push( light );\n\n\t}\n\n\tfunction pushShadow( shadowLight ) {\n\n\t\tshadowsArray.push( shadowLight );\n\n\t}\n\n\tfunction setupLights() {\n\n\t\tlights.setup( lightsArray );\n\n\t}\n\n\tfunction setupLightsView( camera ) {\n\n\t\tlights.setupView( lightsArray, camera );\n\n\t}\n\n\tconst state = {\n\t\tlightsArray: lightsArray,\n\t\tshadowsArray: shadowsArray,\n\n\t\tcamera: null,\n\n\t\tlights: lights,\n\n\t\ttransmissionRenderTarget: {}\n\t};\n\n\treturn {\n\t\tinit: init,\n\t\tstate: state,\n\t\tsetupLights: setupLights,\n\t\tsetupLightsView: setupLightsView,\n\n\t\tpushLight: pushLight,\n\t\tpushShadow: pushShadow\n\t};\n\n}\n\nfunction WebGLRenderStates( extensions ) {\n\n\tlet renderStates = new WeakMap();\n\n\tfunction get( scene, renderCallDepth = 0 ) {\n\n\t\tconst renderStateArray = renderStates.get( scene );\n\t\tlet renderState;\n\n\t\tif ( renderStateArray === undefined ) {\n\n\t\t\trenderState = new WebGLRenderState( extensions );\n\t\t\trenderStates.set( scene, [ renderState ] );\n\n\t\t} else {\n\n\t\t\tif ( renderCallDepth >= renderStateArray.length ) {\n\n\t\t\t\trenderState = new WebGLRenderState( extensions );\n\t\t\t\trenderStateArray.push( renderState );\n\n\t\t\t} else {\n\n\t\t\t\trenderState = renderStateArray[ renderCallDepth ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn renderState;\n\n\t}\n\n\tfunction dispose() {\n\n\t\trenderStates = new WeakMap();\n\n\t}\n\n\treturn {\n\t\tget: get,\n\t\tdispose: dispose\n\t};\n\n}\n\nconst vertex = \"void main() {\\n\\tgl_Position = vec4( position, 1.0 );\\n}\";\n\nconst fragment = \"uniform sampler2D shadow_pass;\\nuniform vec2 resolution;\\nuniform float radius;\\n#include \\nvoid main() {\\n\\tconst float samples = float( VSM_SAMPLES );\\n\\tfloat mean = 0.0;\\n\\tfloat squared_mean = 0.0;\\n\\tfloat uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\\n\\tfloat uvStart = samples <= 1.0 ? 0.0 : - 1.0;\\n\\tfor ( float i = 0.0; i < samples; i ++ ) {\\n\\t\\tfloat uvOffset = uvStart + i * uvStride;\\n\\t\\t#ifdef HORIZONTAL_PASS\\n\\t\\t\\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\\n\\t\\t\\tmean += distribution.x;\\n\\t\\t\\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\\n\\t\\t#else\\n\\t\\t\\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\\n\\t\\t\\tmean += depth;\\n\\t\\t\\tsquared_mean += depth * depth;\\n\\t\\t#endif\\n\\t}\\n\\tmean = mean / samples;\\n\\tsquared_mean = squared_mean / samples;\\n\\tfloat std_dev = sqrt( squared_mean - mean * mean );\\n\\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\\n}\";\n\nfunction WebGLShadowMap( renderer, objects, capabilities ) {\n\n\tlet _frustum = new Frustum();\n\n\tconst _shadowMapSize = new Vector2(),\n\t\t_viewportSize = new Vector2(),\n\n\t\t_viewport = new Vector4(),\n\n\t\t_depthMaterial = new MeshDepthMaterial( { depthPacking: RGBADepthPacking } ),\n\t\t_distanceMaterial = new MeshDistanceMaterial(),\n\n\t\t_materialCache = {},\n\n\t\t_maxTextureSize = capabilities.maxTextureSize;\n\n\tconst shadowSide = { [ FrontSide ]: BackSide, [ BackSide ]: FrontSide, [ DoubleSide ]: DoubleSide };\n\n\tconst shadowMaterialVertical = new ShaderMaterial( {\n\t\tdefines: {\n\t\t\tVSM_SAMPLES: 8\n\t\t},\n\t\tuniforms: {\n\t\t\tshadow_pass: { value: null },\n\t\t\tresolution: { value: new Vector2() },\n\t\t\tradius: { value: 4.0 }\n\t\t},\n\n\t\tvertexShader: vertex,\n\t\tfragmentShader: fragment\n\n\t} );\n\n\tconst shadowMaterialHorizontal = shadowMaterialVertical.clone();\n\tshadowMaterialHorizontal.defines.HORIZONTAL_PASS = 1;\n\n\tconst fullScreenTri = new BufferGeometry();\n\tfullScreenTri.setAttribute(\n\t\t'position',\n\t\tnew BufferAttribute(\n\t\t\tnew Float32Array( [ - 1, - 1, 0.5, 3, - 1, 0.5, - 1, 3, 0.5 ] ),\n\t\t\t3\n\t\t)\n\t);\n\n\tconst fullScreenMesh = new Mesh( fullScreenTri, shadowMaterialVertical );\n\n\tconst scope = this;\n\n\tthis.enabled = false;\n\n\tthis.autoUpdate = true;\n\tthis.needsUpdate = false;\n\n\tthis.type = PCFShadowMap;\n\tlet _previousType = this.type;\n\n\tthis.render = function ( lights, scene, camera ) {\n\n\t\tif ( scope.enabled === false ) return;\n\t\tif ( scope.autoUpdate === false && scope.needsUpdate === false ) return;\n\n\t\tif ( lights.length === 0 ) return;\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\t\tconst activeCubeFace = renderer.getActiveCubeFace();\n\t\tconst activeMipmapLevel = renderer.getActiveMipmapLevel();\n\n\t\tconst _state = renderer.state;\n\n\t\t// Set GL state for depth map.\n\t\t_state.setBlending( NoBlending );\n\t\t_state.buffers.color.setClear( 1, 1, 1, 1 );\n\t\t_state.buffers.depth.setTest( true );\n\t\t_state.setScissorTest( false );\n\n\t\t// check for shadow map type changes\n\n\t\tconst toVSM = ( _previousType !== VSMShadowMap && this.type === VSMShadowMap );\n\t\tconst fromVSM = ( _previousType === VSMShadowMap && this.type !== VSMShadowMap );\n\n\t\t// render depth map\n\n\t\tfor ( let i = 0, il = lights.length; i < il; i ++ ) {\n\n\t\t\tconst light = lights[ i ];\n\t\t\tconst shadow = light.shadow;\n\n\t\t\tif ( shadow === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tif ( shadow.autoUpdate === false && shadow.needsUpdate === false ) continue;\n\n\t\t\t_shadowMapSize.copy( shadow.mapSize );\n\n\t\t\tconst shadowFrameExtents = shadow.getFrameExtents();\n\n\t\t\t_shadowMapSize.multiply( shadowFrameExtents );\n\n\t\t\t_viewportSize.copy( shadow.mapSize );\n\n\t\t\tif ( _shadowMapSize.x > _maxTextureSize || _shadowMapSize.y > _maxTextureSize ) {\n\n\t\t\t\tif ( _shadowMapSize.x > _maxTextureSize ) {\n\n\t\t\t\t\t_viewportSize.x = Math.floor( _maxTextureSize / shadowFrameExtents.x );\n\t\t\t\t\t_shadowMapSize.x = _viewportSize.x * shadowFrameExtents.x;\n\t\t\t\t\tshadow.mapSize.x = _viewportSize.x;\n\n\t\t\t\t}\n\n\t\t\t\tif ( _shadowMapSize.y > _maxTextureSize ) {\n\n\t\t\t\t\t_viewportSize.y = Math.floor( _maxTextureSize / shadowFrameExtents.y );\n\t\t\t\t\t_shadowMapSize.y = _viewportSize.y * shadowFrameExtents.y;\n\t\t\t\t\tshadow.mapSize.y = _viewportSize.y;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( shadow.map === null || toVSM === true || fromVSM === true ) {\n\n\t\t\t\tconst pars = ( this.type !== VSMShadowMap ) ? { minFilter: NearestFilter, magFilter: NearestFilter } : {};\n\n\t\t\t\tif ( shadow.map !== null ) {\n\n\t\t\t\t\tshadow.map.dispose();\n\n\t\t\t\t}\n\n\t\t\t\tshadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars );\n\t\t\t\tshadow.map.texture.name = light.name + '.shadowMap';\n\n\t\t\t\tshadow.camera.updateProjectionMatrix();\n\n\t\t\t}\n\n\t\t\trenderer.setRenderTarget( shadow.map );\n\t\t\trenderer.clear();\n\n\t\t\tconst viewportCount = shadow.getViewportCount();\n\n\t\t\tfor ( let vp = 0; vp < viewportCount; vp ++ ) {\n\n\t\t\t\tconst viewport = shadow.getViewport( vp );\n\n\t\t\t\t_viewport.set(\n\t\t\t\t\t_viewportSize.x * viewport.x,\n\t\t\t\t\t_viewportSize.y * viewport.y,\n\t\t\t\t\t_viewportSize.x * viewport.z,\n\t\t\t\t\t_viewportSize.y * viewport.w\n\t\t\t\t);\n\n\t\t\t\t_state.viewport( _viewport );\n\n\t\t\t\tshadow.updateMatrices( light, vp );\n\n\t\t\t\t_frustum = shadow.getFrustum();\n\n\t\t\t\trenderObject( scene, camera, shadow.camera, light, this.type );\n\n\t\t\t}\n\n\t\t\t// do blur pass for VSM\n\n\t\t\tif ( shadow.isPointLightShadow !== true && this.type === VSMShadowMap ) {\n\n\t\t\t\tVSMPass( shadow, camera );\n\n\t\t\t}\n\n\t\t\tshadow.needsUpdate = false;\n\n\t\t}\n\n\t\t_previousType = this.type;\n\n\t\tscope.needsUpdate = false;\n\n\t\trenderer.setRenderTarget( currentRenderTarget, activeCubeFace, activeMipmapLevel );\n\n\t};\n\n\tfunction VSMPass( shadow, camera ) {\n\n\t\tconst geometry = objects.update( fullScreenMesh );\n\n\t\tif ( shadowMaterialVertical.defines.VSM_SAMPLES !== shadow.blurSamples ) {\n\n\t\t\tshadowMaterialVertical.defines.VSM_SAMPLES = shadow.blurSamples;\n\t\t\tshadowMaterialHorizontal.defines.VSM_SAMPLES = shadow.blurSamples;\n\n\t\t\tshadowMaterialVertical.needsUpdate = true;\n\t\t\tshadowMaterialHorizontal.needsUpdate = true;\n\n\t\t}\n\n\t\tif ( shadow.mapPass === null ) {\n\n\t\t\tshadow.mapPass = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y );\n\n\t\t}\n\n\t\t// vertical pass\n\n\t\tshadowMaterialVertical.uniforms.shadow_pass.value = shadow.map.texture;\n\t\tshadowMaterialVertical.uniforms.resolution.value = shadow.mapSize;\n\t\tshadowMaterialVertical.uniforms.radius.value = shadow.radius;\n\t\trenderer.setRenderTarget( shadow.mapPass );\n\t\trenderer.clear();\n\t\trenderer.renderBufferDirect( camera, null, geometry, shadowMaterialVertical, fullScreenMesh, null );\n\n\t\t// horizontal pass\n\n\t\tshadowMaterialHorizontal.uniforms.shadow_pass.value = shadow.mapPass.texture;\n\t\tshadowMaterialHorizontal.uniforms.resolution.value = shadow.mapSize;\n\t\tshadowMaterialHorizontal.uniforms.radius.value = shadow.radius;\n\t\trenderer.setRenderTarget( shadow.map );\n\t\trenderer.clear();\n\t\trenderer.renderBufferDirect( camera, null, geometry, shadowMaterialHorizontal, fullScreenMesh, null );\n\n\t}\n\n\tfunction getDepthMaterial( object, material, light, type ) {\n\n\t\tlet result = null;\n\n\t\tconst customMaterial = ( light.isPointLight === true ) ? object.customDistanceMaterial : object.customDepthMaterial;\n\n\t\tif ( customMaterial !== undefined ) {\n\n\t\t\tresult = customMaterial;\n\n\t\t} else {\n\n\t\t\tresult = ( light.isPointLight === true ) ? _distanceMaterial : _depthMaterial;\n\n\t\t\tif ( ( renderer.localClippingEnabled && material.clipShadows === true && Array.isArray( material.clippingPlanes ) && material.clippingPlanes.length !== 0 ) ||\n\t\t\t\t( material.displacementMap && material.displacementScale !== 0 ) ||\n\t\t\t\t( material.alphaMap && material.alphaTest > 0 ) ||\n\t\t\t\t( material.map && material.alphaTest > 0 ) ) {\n\n\t\t\t\t// in this case we need a unique material instance reflecting the\n\t\t\t\t// appropriate state\n\n\t\t\t\tconst keyA = result.uuid, keyB = material.uuid;\n\n\t\t\t\tlet materialsForVariant = _materialCache[ keyA ];\n\n\t\t\t\tif ( materialsForVariant === undefined ) {\n\n\t\t\t\t\tmaterialsForVariant = {};\n\t\t\t\t\t_materialCache[ keyA ] = materialsForVariant;\n\n\t\t\t\t}\n\n\t\t\t\tlet cachedMaterial = materialsForVariant[ keyB ];\n\n\t\t\t\tif ( cachedMaterial === undefined ) {\n\n\t\t\t\t\tcachedMaterial = result.clone();\n\t\t\t\t\tmaterialsForVariant[ keyB ] = cachedMaterial;\n\t\t\t\t\tmaterial.addEventListener( 'dispose', onMaterialDispose );\n\n\t\t\t\t}\n\n\t\t\t\tresult = cachedMaterial;\n\n\t\t\t}\n\n\t\t}\n\n\t\tresult.visible = material.visible;\n\t\tresult.wireframe = material.wireframe;\n\n\t\tif ( type === VSMShadowMap ) {\n\n\t\t\tresult.side = ( material.shadowSide !== null ) ? material.shadowSide : material.side;\n\n\t\t} else {\n\n\t\t\tresult.side = ( material.shadowSide !== null ) ? material.shadowSide : shadowSide[ material.side ];\n\n\t\t}\n\n\t\tresult.alphaMap = material.alphaMap;\n\t\tresult.alphaTest = material.alphaTest;\n\t\tresult.map = material.map;\n\n\t\tresult.clipShadows = material.clipShadows;\n\t\tresult.clippingPlanes = material.clippingPlanes;\n\t\tresult.clipIntersection = material.clipIntersection;\n\n\t\tresult.displacementMap = material.displacementMap;\n\t\tresult.displacementScale = material.displacementScale;\n\t\tresult.displacementBias = material.displacementBias;\n\n\t\tresult.wireframeLinewidth = material.wireframeLinewidth;\n\t\tresult.linewidth = material.linewidth;\n\n\t\tif ( light.isPointLight === true && result.isMeshDistanceMaterial === true ) {\n\n\t\t\tconst materialProperties = renderer.properties.get( result );\n\t\t\tmaterialProperties.light = light;\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n\tfunction renderObject( object, camera, shadowCamera, light, type ) {\n\n\t\tif ( object.visible === false ) return;\n\n\t\tconst visible = object.layers.test( camera.layers );\n\n\t\tif ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) {\n\n\t\t\tif ( ( object.castShadow || ( object.receiveShadow && type === VSMShadowMap ) ) && ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) ) {\n\n\t\t\t\tobject.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld );\n\n\t\t\t\tconst geometry = objects.update( object );\n\t\t\t\tconst material = object.material;\n\n\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\tconst groups = geometry.groups;\n\n\t\t\t\t\tfor ( let k = 0, kl = groups.length; k < kl; k ++ ) {\n\n\t\t\t\t\t\tconst group = groups[ k ];\n\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\tif ( groupMaterial && groupMaterial.visible ) {\n\n\t\t\t\t\t\t\tconst depthMaterial = getDepthMaterial( object, groupMaterial, light, type );\n\n\t\t\t\t\t\t\tobject.onBeforeShadow( renderer, object, camera, shadowCamera, geometry, depthMaterial, group );\n\n\t\t\t\t\t\t\trenderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group );\n\n\t\t\t\t\t\t\tobject.onAfterShadow( renderer, object, camera, shadowCamera, geometry, depthMaterial, group );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( material.visible ) {\n\n\t\t\t\t\tconst depthMaterial = getDepthMaterial( object, material, light, type );\n\n\t\t\t\t\tobject.onBeforeShadow( renderer, object, camera, shadowCamera, geometry, depthMaterial, null );\n\n\t\t\t\t\trenderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null );\n\n\t\t\t\t\tobject.onAfterShadow( renderer, object, camera, shadowCamera, geometry, depthMaterial, null );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\trenderObject( children[ i ], camera, shadowCamera, light, type );\n\n\t\t}\n\n\t}\n\n\tfunction onMaterialDispose( event ) {\n\n\t\tconst material = event.target;\n\n\t\tmaterial.removeEventListener( 'dispose', onMaterialDispose );\n\n\t\t// make sure to remove the unique distance/depth materials used for shadow map rendering\n\n\t\tfor ( const id in _materialCache ) {\n\n\t\t\tconst cache = _materialCache[ id ];\n\n\t\t\tconst uuid = event.target.uuid;\n\n\t\t\tif ( uuid in cache ) {\n\n\t\t\t\tconst shadowMaterial = cache[ uuid ];\n\t\t\t\tshadowMaterial.dispose();\n\t\t\t\tdelete cache[ uuid ];\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nconst reversedFuncs = {\n\t[ NeverDepth ]: AlwaysDepth,\n\t[ LessDepth ]: GreaterDepth,\n\t[ EqualDepth ]: NotEqualDepth,\n\t[ LessEqualDepth ]: GreaterEqualDepth,\n\n\t[ AlwaysDepth ]: NeverDepth,\n\t[ GreaterDepth ]: LessDepth,\n\t[ NotEqualDepth ]: EqualDepth,\n\t[ GreaterEqualDepth ]: LessEqualDepth,\n};\n\nfunction WebGLState( gl, extensions ) {\n\n\tfunction ColorBuffer() {\n\n\t\tlet locked = false;\n\n\t\tconst color = new Vector4();\n\t\tlet currentColorMask = null;\n\t\tconst currentColorClear = new Vector4( 0, 0, 0, 0 );\n\n\t\treturn {\n\n\t\t\tsetMask: function ( colorMask ) {\n\n\t\t\t\tif ( currentColorMask !== colorMask && ! locked ) {\n\n\t\t\t\t\tgl.colorMask( colorMask, colorMask, colorMask, colorMask );\n\t\t\t\t\tcurrentColorMask = colorMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( r, g, b, a, premultipliedAlpha ) {\n\n\t\t\t\tif ( premultipliedAlpha === true ) {\n\n\t\t\t\t\tr *= a; g *= a; b *= a;\n\n\t\t\t\t}\n\n\t\t\t\tcolor.set( r, g, b, a );\n\n\t\t\t\tif ( currentColorClear.equals( color ) === false ) {\n\n\t\t\t\t\tgl.clearColor( r, g, b, a );\n\t\t\t\t\tcurrentColorClear.copy( color );\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentColorMask = null;\n\t\t\t\tcurrentColorClear.set( - 1, 0, 0, 0 ); // set to invalid state\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tfunction DepthBuffer() {\n\n\t\tlet locked = false;\n\t\tlet reversed = false;\n\n\t\tlet currentDepthMask = null;\n\t\tlet currentDepthFunc = null;\n\t\tlet currentDepthClear = null;\n\n\t\treturn {\n\n\t\t\tsetReversed: function ( value ) {\n\n\t\t\t\tif ( reversed !== value ) {\n\n\t\t\t\t\tconst ext = extensions.get( 'EXT_clip_control' );\n\n\t\t\t\t\tif ( reversed ) {\n\n\t\t\t\t\t\text.clipControlEXT( ext.LOWER_LEFT_EXT, ext.ZERO_TO_ONE_EXT );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\text.clipControlEXT( ext.LOWER_LEFT_EXT, ext.NEGATIVE_ONE_TO_ONE_EXT );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst oldDepth = currentDepthClear;\n\t\t\t\t\tcurrentDepthClear = null;\n\t\t\t\t\tthis.setClear( oldDepth );\n\n\t\t\t\t}\n\n\t\t\t\treversed = value;\n\n\t\t\t},\n\n\t\t\tgetReversed: function () {\n\n\t\t\t\treturn reversed;\n\n\t\t\t},\n\n\t\t\tsetTest: function ( depthTest ) {\n\n\t\t\t\tif ( depthTest ) {\n\n\t\t\t\t\tenable( gl.DEPTH_TEST );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tdisable( gl.DEPTH_TEST );\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetMask: function ( depthMask ) {\n\n\t\t\t\tif ( currentDepthMask !== depthMask && ! locked ) {\n\n\t\t\t\t\tgl.depthMask( depthMask );\n\t\t\t\t\tcurrentDepthMask = depthMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetFunc: function ( depthFunc ) {\n\n\t\t\t\tif ( reversed ) depthFunc = reversedFuncs[ depthFunc ];\n\n\t\t\t\tif ( currentDepthFunc !== depthFunc ) {\n\n\t\t\t\t\tswitch ( depthFunc ) {\n\n\t\t\t\t\t\tcase NeverDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.NEVER );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase AlwaysDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.ALWAYS );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase LessDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.LESS );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase LessEqualDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase EqualDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.EQUAL );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase GreaterEqualDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.GEQUAL );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase GreaterDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.GREATER );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase NotEqualDepth:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.NOTEQUAL );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\n\t\t\t\t\t\t\tgl.depthFunc( gl.LEQUAL );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcurrentDepthFunc = depthFunc;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( depth ) {\n\n\t\t\t\tif ( currentDepthClear !== depth ) {\n\n\t\t\t\t\tif ( reversed ) {\n\n\t\t\t\t\t\tdepth = 1 - depth;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tgl.clearDepth( depth );\n\t\t\t\t\tcurrentDepthClear = depth;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentDepthMask = null;\n\t\t\t\tcurrentDepthFunc = null;\n\t\t\t\tcurrentDepthClear = null;\n\t\t\t\treversed = false;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tfunction StencilBuffer() {\n\n\t\tlet locked = false;\n\n\t\tlet currentStencilMask = null;\n\t\tlet currentStencilFunc = null;\n\t\tlet currentStencilRef = null;\n\t\tlet currentStencilFuncMask = null;\n\t\tlet currentStencilFail = null;\n\t\tlet currentStencilZFail = null;\n\t\tlet currentStencilZPass = null;\n\t\tlet currentStencilClear = null;\n\n\t\treturn {\n\n\t\t\tsetTest: function ( stencilTest ) {\n\n\t\t\t\tif ( ! locked ) {\n\n\t\t\t\t\tif ( stencilTest ) {\n\n\t\t\t\t\t\tenable( gl.STENCIL_TEST );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tdisable( gl.STENCIL_TEST );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetMask: function ( stencilMask ) {\n\n\t\t\t\tif ( currentStencilMask !== stencilMask && ! locked ) {\n\n\t\t\t\t\tgl.stencilMask( stencilMask );\n\t\t\t\t\tcurrentStencilMask = stencilMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetFunc: function ( stencilFunc, stencilRef, stencilMask ) {\n\n\t\t\t\tif ( currentStencilFunc !== stencilFunc ||\n\t\t\t\t currentStencilRef !== stencilRef ||\n\t\t\t\t currentStencilFuncMask !== stencilMask ) {\n\n\t\t\t\t\tgl.stencilFunc( stencilFunc, stencilRef, stencilMask );\n\n\t\t\t\t\tcurrentStencilFunc = stencilFunc;\n\t\t\t\t\tcurrentStencilRef = stencilRef;\n\t\t\t\t\tcurrentStencilFuncMask = stencilMask;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetOp: function ( stencilFail, stencilZFail, stencilZPass ) {\n\n\t\t\t\tif ( currentStencilFail !== stencilFail ||\n\t\t\t\t currentStencilZFail !== stencilZFail ||\n\t\t\t\t currentStencilZPass !== stencilZPass ) {\n\n\t\t\t\t\tgl.stencilOp( stencilFail, stencilZFail, stencilZPass );\n\n\t\t\t\t\tcurrentStencilFail = stencilFail;\n\t\t\t\t\tcurrentStencilZFail = stencilZFail;\n\t\t\t\t\tcurrentStencilZPass = stencilZPass;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\tsetLocked: function ( lock ) {\n\n\t\t\t\tlocked = lock;\n\n\t\t\t},\n\n\t\t\tsetClear: function ( stencil ) {\n\n\t\t\t\tif ( currentStencilClear !== stencil ) {\n\n\t\t\t\t\tgl.clearStencil( stencil );\n\t\t\t\t\tcurrentStencilClear = stencil;\n\n\t\t\t\t}\n\n\t\t\t},\n\n\t\t\treset: function () {\n\n\t\t\t\tlocked = false;\n\n\t\t\t\tcurrentStencilMask = null;\n\t\t\t\tcurrentStencilFunc = null;\n\t\t\t\tcurrentStencilRef = null;\n\t\t\t\tcurrentStencilFuncMask = null;\n\t\t\t\tcurrentStencilFail = null;\n\t\t\t\tcurrentStencilZFail = null;\n\t\t\t\tcurrentStencilZPass = null;\n\t\t\t\tcurrentStencilClear = null;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t//\n\n\tconst colorBuffer = new ColorBuffer();\n\tconst depthBuffer = new DepthBuffer();\n\tconst stencilBuffer = new StencilBuffer();\n\n\tconst uboBindings = new WeakMap();\n\tconst uboProgramMap = new WeakMap();\n\n\tlet enabledCapabilities = {};\n\n\tlet currentBoundFramebuffers = {};\n\tlet currentDrawbuffers = new WeakMap();\n\tlet defaultDrawbuffers = [];\n\n\tlet currentProgram = null;\n\n\tlet currentBlendingEnabled = false;\n\tlet currentBlending = null;\n\tlet currentBlendEquation = null;\n\tlet currentBlendSrc = null;\n\tlet currentBlendDst = null;\n\tlet currentBlendEquationAlpha = null;\n\tlet currentBlendSrcAlpha = null;\n\tlet currentBlendDstAlpha = null;\n\tlet currentBlendColor = new Color( 0, 0, 0 );\n\tlet currentBlendAlpha = 0;\n\tlet currentPremultipledAlpha = false;\n\n\tlet currentFlipSided = null;\n\tlet currentCullFace = null;\n\n\tlet currentLineWidth = null;\n\n\tlet currentPolygonOffsetFactor = null;\n\tlet currentPolygonOffsetUnits = null;\n\n\tconst maxTextures = gl.getParameter( gl.MAX_COMBINED_TEXTURE_IMAGE_UNITS );\n\n\tlet lineWidthAvailable = false;\n\tlet version = 0;\n\tconst glVersion = gl.getParameter( gl.VERSION );\n\n\tif ( glVersion.indexOf( 'WebGL' ) !== - 1 ) {\n\n\t\tversion = parseFloat( /^WebGL (\\d)/.exec( glVersion )[ 1 ] );\n\t\tlineWidthAvailable = ( version >= 1.0 );\n\n\t} else if ( glVersion.indexOf( 'OpenGL ES' ) !== - 1 ) {\n\n\t\tversion = parseFloat( /^OpenGL ES (\\d)/.exec( glVersion )[ 1 ] );\n\t\tlineWidthAvailable = ( version >= 2.0 );\n\n\t}\n\n\tlet currentTextureSlot = null;\n\tlet currentBoundTextures = {};\n\n\tconst scissorParam = gl.getParameter( gl.SCISSOR_BOX );\n\tconst viewportParam = gl.getParameter( gl.VIEWPORT );\n\n\tconst currentScissor = new Vector4().fromArray( scissorParam );\n\tconst currentViewport = new Vector4().fromArray( viewportParam );\n\n\tfunction createTexture( type, target, count, dimensions ) {\n\n\t\tconst data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4.\n\t\tconst texture = gl.createTexture();\n\n\t\tgl.bindTexture( type, texture );\n\t\tgl.texParameteri( type, gl.TEXTURE_MIN_FILTER, gl.NEAREST );\n\t\tgl.texParameteri( type, gl.TEXTURE_MAG_FILTER, gl.NEAREST );\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tif ( type === gl.TEXTURE_3D || type === gl.TEXTURE_2D_ARRAY ) {\n\n\t\t\t\tgl.texImage3D( target, 0, gl.RGBA, 1, 1, dimensions, 0, gl.RGBA, gl.UNSIGNED_BYTE, data );\n\n\t\t\t} else {\n\n\t\t\t\tgl.texImage2D( target + i, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, data );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n\tconst emptyTextures = {};\n\temptyTextures[ gl.TEXTURE_2D ] = createTexture( gl.TEXTURE_2D, gl.TEXTURE_2D, 1 );\n\temptyTextures[ gl.TEXTURE_CUBE_MAP ] = createTexture( gl.TEXTURE_CUBE_MAP, gl.TEXTURE_CUBE_MAP_POSITIVE_X, 6 );\n\temptyTextures[ gl.TEXTURE_2D_ARRAY ] = createTexture( gl.TEXTURE_2D_ARRAY, gl.TEXTURE_2D_ARRAY, 1, 1 );\n\temptyTextures[ gl.TEXTURE_3D ] = createTexture( gl.TEXTURE_3D, gl.TEXTURE_3D, 1, 1 );\n\n\t// init\n\n\tcolorBuffer.setClear( 0, 0, 0, 1 );\n\tdepthBuffer.setClear( 1 );\n\tstencilBuffer.setClear( 0 );\n\n\tenable( gl.DEPTH_TEST );\n\tdepthBuffer.setFunc( LessEqualDepth );\n\n\tsetFlipSided( false );\n\tsetCullFace( CullFaceBack );\n\tenable( gl.CULL_FACE );\n\n\tsetBlending( NoBlending );\n\n\t//\n\n\tfunction enable( id ) {\n\n\t\tif ( enabledCapabilities[ id ] !== true ) {\n\n\t\t\tgl.enable( id );\n\t\t\tenabledCapabilities[ id ] = true;\n\n\t\t}\n\n\t}\n\n\tfunction disable( id ) {\n\n\t\tif ( enabledCapabilities[ id ] !== false ) {\n\n\t\t\tgl.disable( id );\n\t\t\tenabledCapabilities[ id ] = false;\n\n\t\t}\n\n\t}\n\n\tfunction bindFramebuffer( target, framebuffer ) {\n\n\t\tif ( currentBoundFramebuffers[ target ] !== framebuffer ) {\n\n\t\t\tgl.bindFramebuffer( target, framebuffer );\n\n\t\t\tcurrentBoundFramebuffers[ target ] = framebuffer;\n\n\t\t\t// gl.DRAW_FRAMEBUFFER is equivalent to gl.FRAMEBUFFER\n\n\t\t\tif ( target === gl.DRAW_FRAMEBUFFER ) {\n\n\t\t\t\tcurrentBoundFramebuffers[ gl.FRAMEBUFFER ] = framebuffer;\n\n\t\t\t}\n\n\t\t\tif ( target === gl.FRAMEBUFFER ) {\n\n\t\t\t\tcurrentBoundFramebuffers[ gl.DRAW_FRAMEBUFFER ] = framebuffer;\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tfunction drawBuffers( renderTarget, framebuffer ) {\n\n\t\tlet drawBuffers = defaultDrawbuffers;\n\n\t\tlet needsUpdate = false;\n\n\t\tif ( renderTarget ) {\n\n\t\t\tdrawBuffers = currentDrawbuffers.get( framebuffer );\n\n\t\t\tif ( drawBuffers === undefined ) {\n\n\t\t\t\tdrawBuffers = [];\n\t\t\t\tcurrentDrawbuffers.set( framebuffer, drawBuffers );\n\n\t\t\t}\n\n\t\t\tconst textures = renderTarget.textures;\n\n\t\t\tif ( drawBuffers.length !== textures.length || drawBuffers[ 0 ] !== gl.COLOR_ATTACHMENT0 ) {\n\n\t\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\t\tdrawBuffers[ i ] = gl.COLOR_ATTACHMENT0 + i;\n\n\t\t\t\t}\n\n\t\t\t\tdrawBuffers.length = textures.length;\n\n\t\t\t\tneedsUpdate = true;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tif ( drawBuffers[ 0 ] !== gl.BACK ) {\n\n\t\t\t\tdrawBuffers[ 0 ] = gl.BACK;\n\n\t\t\t\tneedsUpdate = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( needsUpdate ) {\n\n\t\t\tgl.drawBuffers( drawBuffers );\n\n\t\t}\n\n\t}\n\n\tfunction useProgram( program ) {\n\n\t\tif ( currentProgram !== program ) {\n\n\t\t\tgl.useProgram( program );\n\n\t\t\tcurrentProgram = program;\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tconst equationToGL = {\n\t\t[ AddEquation ]: gl.FUNC_ADD,\n\t\t[ SubtractEquation ]: gl.FUNC_SUBTRACT,\n\t\t[ ReverseSubtractEquation ]: gl.FUNC_REVERSE_SUBTRACT\n\t};\n\n\tequationToGL[ MinEquation ] = gl.MIN;\n\tequationToGL[ MaxEquation ] = gl.MAX;\n\n\tconst factorToGL = {\n\t\t[ ZeroFactor ]: gl.ZERO,\n\t\t[ OneFactor ]: gl.ONE,\n\t\t[ SrcColorFactor ]: gl.SRC_COLOR,\n\t\t[ SrcAlphaFactor ]: gl.SRC_ALPHA,\n\t\t[ SrcAlphaSaturateFactor ]: gl.SRC_ALPHA_SATURATE,\n\t\t[ DstColorFactor ]: gl.DST_COLOR,\n\t\t[ DstAlphaFactor ]: gl.DST_ALPHA,\n\t\t[ OneMinusSrcColorFactor ]: gl.ONE_MINUS_SRC_COLOR,\n\t\t[ OneMinusSrcAlphaFactor ]: gl.ONE_MINUS_SRC_ALPHA,\n\t\t[ OneMinusDstColorFactor ]: gl.ONE_MINUS_DST_COLOR,\n\t\t[ OneMinusDstAlphaFactor ]: gl.ONE_MINUS_DST_ALPHA,\n\t\t[ ConstantColorFactor ]: gl.CONSTANT_COLOR,\n\t\t[ OneMinusConstantColorFactor ]: gl.ONE_MINUS_CONSTANT_COLOR,\n\t\t[ ConstantAlphaFactor ]: gl.CONSTANT_ALPHA,\n\t\t[ OneMinusConstantAlphaFactor ]: gl.ONE_MINUS_CONSTANT_ALPHA\n\t};\n\n\tfunction setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, blendColor, blendAlpha, premultipliedAlpha ) {\n\n\t\tif ( blending === NoBlending ) {\n\n\t\t\tif ( currentBlendingEnabled === true ) {\n\n\t\t\t\tdisable( gl.BLEND );\n\t\t\t\tcurrentBlendingEnabled = false;\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( currentBlendingEnabled === false ) {\n\n\t\t\tenable( gl.BLEND );\n\t\t\tcurrentBlendingEnabled = true;\n\n\t\t}\n\n\t\tif ( blending !== CustomBlending ) {\n\n\t\t\tif ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) {\n\n\t\t\t\tif ( currentBlendEquation !== AddEquation || currentBlendEquationAlpha !== AddEquation ) {\n\n\t\t\t\t\tgl.blendEquation( gl.FUNC_ADD );\n\n\t\t\t\t\tcurrentBlendEquation = AddEquation;\n\t\t\t\t\tcurrentBlendEquationAlpha = AddEquation;\n\n\t\t\t\t}\n\n\t\t\t\tif ( premultipliedAlpha ) {\n\n\t\t\t\t\tswitch ( blending ) {\n\n\t\t\t\t\t\tcase NormalBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( gl.ONE, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase AdditiveBlending:\n\t\t\t\t\t\t\tgl.blendFunc( gl.ONE, gl.ONE );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase SubtractiveBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ZERO, gl.ONE );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase MultiplyBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.SRC_COLOR, gl.ZERO, gl.SRC_ALPHA );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.error( 'THREE.WebGLState: Invalid blending: ', blending );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tswitch ( blending ) {\n\n\t\t\t\t\t\tcase NormalBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase AdditiveBlending:\n\t\t\t\t\t\t\tgl.blendFunc( gl.SRC_ALPHA, gl.ONE );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase SubtractiveBlending:\n\t\t\t\t\t\t\tgl.blendFuncSeparate( gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ZERO, gl.ONE );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tcase MultiplyBlending:\n\t\t\t\t\t\t\tgl.blendFunc( gl.ZERO, gl.SRC_COLOR );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tconsole.error( 'THREE.WebGLState: Invalid blending: ', blending );\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tcurrentBlendSrc = null;\n\t\t\t\tcurrentBlendDst = null;\n\t\t\t\tcurrentBlendSrcAlpha = null;\n\t\t\t\tcurrentBlendDstAlpha = null;\n\t\t\t\tcurrentBlendColor.set( 0, 0, 0 );\n\t\t\t\tcurrentBlendAlpha = 0;\n\n\t\t\t\tcurrentBlending = blending;\n\t\t\t\tcurrentPremultipledAlpha = premultipliedAlpha;\n\n\t\t\t}\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t// custom blending\n\n\t\tblendEquationAlpha = blendEquationAlpha || blendEquation;\n\t\tblendSrcAlpha = blendSrcAlpha || blendSrc;\n\t\tblendDstAlpha = blendDstAlpha || blendDst;\n\n\t\tif ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) {\n\n\t\t\tgl.blendEquationSeparate( equationToGL[ blendEquation ], equationToGL[ blendEquationAlpha ] );\n\n\t\t\tcurrentBlendEquation = blendEquation;\n\t\t\tcurrentBlendEquationAlpha = blendEquationAlpha;\n\n\t\t}\n\n\t\tif ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) {\n\n\t\t\tgl.blendFuncSeparate( factorToGL[ blendSrc ], factorToGL[ blendDst ], factorToGL[ blendSrcAlpha ], factorToGL[ blendDstAlpha ] );\n\n\t\t\tcurrentBlendSrc = blendSrc;\n\t\t\tcurrentBlendDst = blendDst;\n\t\t\tcurrentBlendSrcAlpha = blendSrcAlpha;\n\t\t\tcurrentBlendDstAlpha = blendDstAlpha;\n\n\t\t}\n\n\t\tif ( blendColor.equals( currentBlendColor ) === false || blendAlpha !== currentBlendAlpha ) {\n\n\t\t\tgl.blendColor( blendColor.r, blendColor.g, blendColor.b, blendAlpha );\n\n\t\t\tcurrentBlendColor.copy( blendColor );\n\t\t\tcurrentBlendAlpha = blendAlpha;\n\n\t\t}\n\n\t\tcurrentBlending = blending;\n\t\tcurrentPremultipledAlpha = false;\n\n\t}\n\n\tfunction setMaterial( material, frontFaceCW ) {\n\n\t\tmaterial.side === DoubleSide\n\t\t\t? disable( gl.CULL_FACE )\n\t\t\t: enable( gl.CULL_FACE );\n\n\t\tlet flipSided = ( material.side === BackSide );\n\t\tif ( frontFaceCW ) flipSided = ! flipSided;\n\n\t\tsetFlipSided( flipSided );\n\n\t\t( material.blending === NormalBlending && material.transparent === false )\n\t\t\t? setBlending( NoBlending )\n\t\t\t: setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.blendColor, material.blendAlpha, material.premultipliedAlpha );\n\n\t\tdepthBuffer.setFunc( material.depthFunc );\n\t\tdepthBuffer.setTest( material.depthTest );\n\t\tdepthBuffer.setMask( material.depthWrite );\n\t\tcolorBuffer.setMask( material.colorWrite );\n\n\t\tconst stencilWrite = material.stencilWrite;\n\t\tstencilBuffer.setTest( stencilWrite );\n\t\tif ( stencilWrite ) {\n\n\t\t\tstencilBuffer.setMask( material.stencilWriteMask );\n\t\t\tstencilBuffer.setFunc( material.stencilFunc, material.stencilRef, material.stencilFuncMask );\n\t\t\tstencilBuffer.setOp( material.stencilFail, material.stencilZFail, material.stencilZPass );\n\n\t\t}\n\n\t\tsetPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits );\n\n\t\tmaterial.alphaToCoverage === true\n\t\t\t? enable( gl.SAMPLE_ALPHA_TO_COVERAGE )\n\t\t\t: disable( gl.SAMPLE_ALPHA_TO_COVERAGE );\n\n\t}\n\n\t//\n\n\tfunction setFlipSided( flipSided ) {\n\n\t\tif ( currentFlipSided !== flipSided ) {\n\n\t\t\tif ( flipSided ) {\n\n\t\t\t\tgl.frontFace( gl.CW );\n\n\t\t\t} else {\n\n\t\t\t\tgl.frontFace( gl.CCW );\n\n\t\t\t}\n\n\t\t\tcurrentFlipSided = flipSided;\n\n\t\t}\n\n\t}\n\n\tfunction setCullFace( cullFace ) {\n\n\t\tif ( cullFace !== CullFaceNone ) {\n\n\t\t\tenable( gl.CULL_FACE );\n\n\t\t\tif ( cullFace !== currentCullFace ) {\n\n\t\t\t\tif ( cullFace === CullFaceBack ) {\n\n\t\t\t\t\tgl.cullFace( gl.BACK );\n\n\t\t\t\t} else if ( cullFace === CullFaceFront ) {\n\n\t\t\t\t\tgl.cullFace( gl.FRONT );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tgl.cullFace( gl.FRONT_AND_BACK );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tdisable( gl.CULL_FACE );\n\n\t\t}\n\n\t\tcurrentCullFace = cullFace;\n\n\t}\n\n\tfunction setLineWidth( width ) {\n\n\t\tif ( width !== currentLineWidth ) {\n\n\t\t\tif ( lineWidthAvailable ) gl.lineWidth( width );\n\n\t\t\tcurrentLineWidth = width;\n\n\t\t}\n\n\t}\n\n\tfunction setPolygonOffset( polygonOffset, factor, units ) {\n\n\t\tif ( polygonOffset ) {\n\n\t\t\tenable( gl.POLYGON_OFFSET_FILL );\n\n\t\t\tif ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) {\n\n\t\t\t\tgl.polygonOffset( factor, units );\n\n\t\t\t\tcurrentPolygonOffsetFactor = factor;\n\t\t\t\tcurrentPolygonOffsetUnits = units;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tdisable( gl.POLYGON_OFFSET_FILL );\n\n\t\t}\n\n\t}\n\n\tfunction setScissorTest( scissorTest ) {\n\n\t\tif ( scissorTest ) {\n\n\t\t\tenable( gl.SCISSOR_TEST );\n\n\t\t} else {\n\n\t\t\tdisable( gl.SCISSOR_TEST );\n\n\t\t}\n\n\t}\n\n\t// texture\n\n\tfunction activeTexture( webglSlot ) {\n\n\t\tif ( webglSlot === undefined ) webglSlot = gl.TEXTURE0 + maxTextures - 1;\n\n\t\tif ( currentTextureSlot !== webglSlot ) {\n\n\t\t\tgl.activeTexture( webglSlot );\n\t\t\tcurrentTextureSlot = webglSlot;\n\n\t\t}\n\n\t}\n\n\tfunction bindTexture( webglType, webglTexture, webglSlot ) {\n\n\t\tif ( webglSlot === undefined ) {\n\n\t\t\tif ( currentTextureSlot === null ) {\n\n\t\t\t\twebglSlot = gl.TEXTURE0 + maxTextures - 1;\n\n\t\t\t} else {\n\n\t\t\t\twebglSlot = currentTextureSlot;\n\n\t\t\t}\n\n\t\t}\n\n\t\tlet boundTexture = currentBoundTextures[ webglSlot ];\n\n\t\tif ( boundTexture === undefined ) {\n\n\t\t\tboundTexture = { type: undefined, texture: undefined };\n\t\t\tcurrentBoundTextures[ webglSlot ] = boundTexture;\n\n\t\t}\n\n\t\tif ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) {\n\n\t\t\tif ( currentTextureSlot !== webglSlot ) {\n\n\t\t\t\tgl.activeTexture( webglSlot );\n\t\t\t\tcurrentTextureSlot = webglSlot;\n\n\t\t\t}\n\n\t\t\tgl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] );\n\n\t\t\tboundTexture.type = webglType;\n\t\t\tboundTexture.texture = webglTexture;\n\n\t\t}\n\n\t}\n\n\tfunction unbindTexture() {\n\n\t\tconst boundTexture = currentBoundTextures[ currentTextureSlot ];\n\n\t\tif ( boundTexture !== undefined && boundTexture.type !== undefined ) {\n\n\t\t\tgl.bindTexture( boundTexture.type, null );\n\n\t\t\tboundTexture.type = undefined;\n\t\t\tboundTexture.texture = undefined;\n\n\t\t}\n\n\t}\n\n\tfunction compressedTexImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.compressedTexImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction compressedTexImage3D() {\n\n\t\ttry {\n\n\t\t\tgl.compressedTexImage3D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texSubImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texSubImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texSubImage3D() {\n\n\t\ttry {\n\n\t\t\tgl.texSubImage3D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction compressedTexSubImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.compressedTexSubImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction compressedTexSubImage3D() {\n\n\t\ttry {\n\n\t\t\tgl.compressedTexSubImage3D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texStorage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texStorage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texStorage3D() {\n\n\t\ttry {\n\n\t\t\tgl.texStorage3D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texImage2D() {\n\n\t\ttry {\n\n\t\t\tgl.texImage2D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\tfunction texImage3D() {\n\n\t\ttry {\n\n\t\t\tgl.texImage3D.apply( gl, arguments );\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLState:', error );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction scissor( scissor ) {\n\n\t\tif ( currentScissor.equals( scissor ) === false ) {\n\n\t\t\tgl.scissor( scissor.x, scissor.y, scissor.z, scissor.w );\n\t\t\tcurrentScissor.copy( scissor );\n\n\t\t}\n\n\t}\n\n\tfunction viewport( viewport ) {\n\n\t\tif ( currentViewport.equals( viewport ) === false ) {\n\n\t\t\tgl.viewport( viewport.x, viewport.y, viewport.z, viewport.w );\n\t\t\tcurrentViewport.copy( viewport );\n\n\t\t}\n\n\t}\n\n\tfunction updateUBOMapping( uniformsGroup, program ) {\n\n\t\tlet mapping = uboProgramMap.get( program );\n\n\t\tif ( mapping === undefined ) {\n\n\t\t\tmapping = new WeakMap();\n\n\t\t\tuboProgramMap.set( program, mapping );\n\n\t\t}\n\n\t\tlet blockIndex = mapping.get( uniformsGroup );\n\n\t\tif ( blockIndex === undefined ) {\n\n\t\t\tblockIndex = gl.getUniformBlockIndex( program, uniformsGroup.name );\n\n\t\t\tmapping.set( uniformsGroup, blockIndex );\n\n\t\t}\n\n\t}\n\n\tfunction uniformBlockBinding( uniformsGroup, program ) {\n\n\t\tconst mapping = uboProgramMap.get( program );\n\t\tconst blockIndex = mapping.get( uniformsGroup );\n\n\t\tif ( uboBindings.get( program ) !== blockIndex ) {\n\n\t\t\t// bind shader specific block index to global block point\n\t\t\tgl.uniformBlockBinding( program, blockIndex, uniformsGroup.__bindingPointIndex );\n\n\t\t\tuboBindings.set( program, blockIndex );\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction reset() {\n\n\t\t// reset state\n\n\t\tgl.disable( gl.BLEND );\n\t\tgl.disable( gl.CULL_FACE );\n\t\tgl.disable( gl.DEPTH_TEST );\n\t\tgl.disable( gl.POLYGON_OFFSET_FILL );\n\t\tgl.disable( gl.SCISSOR_TEST );\n\t\tgl.disable( gl.STENCIL_TEST );\n\t\tgl.disable( gl.SAMPLE_ALPHA_TO_COVERAGE );\n\n\t\tgl.blendEquation( gl.FUNC_ADD );\n\t\tgl.blendFunc( gl.ONE, gl.ZERO );\n\t\tgl.blendFuncSeparate( gl.ONE, gl.ZERO, gl.ONE, gl.ZERO );\n\t\tgl.blendColor( 0, 0, 0, 0 );\n\n\t\tgl.colorMask( true, true, true, true );\n\t\tgl.clearColor( 0, 0, 0, 0 );\n\n\t\tgl.depthMask( true );\n\t\tgl.depthFunc( gl.LESS );\n\n\t\tdepthBuffer.setReversed( false );\n\n\t\tgl.clearDepth( 1 );\n\n\t\tgl.stencilMask( 0xffffffff );\n\t\tgl.stencilFunc( gl.ALWAYS, 0, 0xffffffff );\n\t\tgl.stencilOp( gl.KEEP, gl.KEEP, gl.KEEP );\n\t\tgl.clearStencil( 0 );\n\n\t\tgl.cullFace( gl.BACK );\n\t\tgl.frontFace( gl.CCW );\n\n\t\tgl.polygonOffset( 0, 0 );\n\n\t\tgl.activeTexture( gl.TEXTURE0 );\n\n\t\tgl.bindFramebuffer( gl.FRAMEBUFFER, null );\n\t\tgl.bindFramebuffer( gl.DRAW_FRAMEBUFFER, null );\n\t\tgl.bindFramebuffer( gl.READ_FRAMEBUFFER, null );\n\n\t\tgl.useProgram( null );\n\n\t\tgl.lineWidth( 1 );\n\n\t\tgl.scissor( 0, 0, gl.canvas.width, gl.canvas.height );\n\t\tgl.viewport( 0, 0, gl.canvas.width, gl.canvas.height );\n\n\t\t// reset internals\n\n\t\tenabledCapabilities = {};\n\n\t\tcurrentTextureSlot = null;\n\t\tcurrentBoundTextures = {};\n\n\t\tcurrentBoundFramebuffers = {};\n\t\tcurrentDrawbuffers = new WeakMap();\n\t\tdefaultDrawbuffers = [];\n\n\t\tcurrentProgram = null;\n\n\t\tcurrentBlendingEnabled = false;\n\t\tcurrentBlending = null;\n\t\tcurrentBlendEquation = null;\n\t\tcurrentBlendSrc = null;\n\t\tcurrentBlendDst = null;\n\t\tcurrentBlendEquationAlpha = null;\n\t\tcurrentBlendSrcAlpha = null;\n\t\tcurrentBlendDstAlpha = null;\n\t\tcurrentBlendColor = new Color( 0, 0, 0 );\n\t\tcurrentBlendAlpha = 0;\n\t\tcurrentPremultipledAlpha = false;\n\n\t\tcurrentFlipSided = null;\n\t\tcurrentCullFace = null;\n\n\t\tcurrentLineWidth = null;\n\n\t\tcurrentPolygonOffsetFactor = null;\n\t\tcurrentPolygonOffsetUnits = null;\n\n\t\tcurrentScissor.set( 0, 0, gl.canvas.width, gl.canvas.height );\n\t\tcurrentViewport.set( 0, 0, gl.canvas.width, gl.canvas.height );\n\n\t\tcolorBuffer.reset();\n\t\tdepthBuffer.reset();\n\t\tstencilBuffer.reset();\n\n\t}\n\n\treturn {\n\n\t\tbuffers: {\n\t\t\tcolor: colorBuffer,\n\t\t\tdepth: depthBuffer,\n\t\t\tstencil: stencilBuffer\n\t\t},\n\n\t\tenable: enable,\n\t\tdisable: disable,\n\n\t\tbindFramebuffer: bindFramebuffer,\n\t\tdrawBuffers: drawBuffers,\n\n\t\tuseProgram: useProgram,\n\n\t\tsetBlending: setBlending,\n\t\tsetMaterial: setMaterial,\n\n\t\tsetFlipSided: setFlipSided,\n\t\tsetCullFace: setCullFace,\n\n\t\tsetLineWidth: setLineWidth,\n\t\tsetPolygonOffset: setPolygonOffset,\n\n\t\tsetScissorTest: setScissorTest,\n\n\t\tactiveTexture: activeTexture,\n\t\tbindTexture: bindTexture,\n\t\tunbindTexture: unbindTexture,\n\t\tcompressedTexImage2D: compressedTexImage2D,\n\t\tcompressedTexImage3D: compressedTexImage3D,\n\t\ttexImage2D: texImage2D,\n\t\ttexImage3D: texImage3D,\n\n\t\tupdateUBOMapping: updateUBOMapping,\n\t\tuniformBlockBinding: uniformBlockBinding,\n\n\t\ttexStorage2D: texStorage2D,\n\t\ttexStorage3D: texStorage3D,\n\t\ttexSubImage2D: texSubImage2D,\n\t\ttexSubImage3D: texSubImage3D,\n\t\tcompressedTexSubImage2D: compressedTexSubImage2D,\n\t\tcompressedTexSubImage3D: compressedTexSubImage3D,\n\n\t\tscissor: scissor,\n\t\tviewport: viewport,\n\n\t\treset: reset\n\n\t};\n\n}\n\nfunction WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info ) {\n\n\tconst multisampledRTTExt = extensions.has( 'WEBGL_multisampled_render_to_texture' ) ? extensions.get( 'WEBGL_multisampled_render_to_texture' ) : null;\n\tconst supportsInvalidateFramebuffer = typeof navigator === 'undefined' ? false : /OculusBrowser/g.test( navigator.userAgent );\n\n\tconst _imageDimensions = new Vector2();\n\tconst _videoTextures = new WeakMap();\n\tlet _canvas;\n\n\tconst _sources = new WeakMap(); // maps WebglTexture objects to instances of Source\n\n\t// cordova iOS (as of 5.0) still uses UIWebView, which provides OffscreenCanvas,\n\t// also OffscreenCanvas.getContext(\"webgl\"), but not OffscreenCanvas.getContext(\"2d\")!\n\t// Some implementations may only implement OffscreenCanvas partially (e.g. lacking 2d).\n\n\tlet useOffscreenCanvas = false;\n\n\ttry {\n\n\t\tuseOffscreenCanvas = typeof OffscreenCanvas !== 'undefined'\n\t\t\t// eslint-disable-next-line compat/compat\n\t\t\t&& ( new OffscreenCanvas( 1, 1 ).getContext( '2d' ) ) !== null;\n\n\t} catch ( err ) {\n\n\t\t// Ignore any errors\n\n\t}\n\n\tfunction createCanvas( width, height ) {\n\n\t\t// Use OffscreenCanvas when available. Specially needed in web workers\n\n\t\treturn useOffscreenCanvas ?\n\t\t\t// eslint-disable-next-line compat/compat\n\t\t\tnew OffscreenCanvas( width, height ) : createElementNS( 'canvas' );\n\n\t}\n\n\tfunction resizeImage( image, needsNewCanvas, maxSize ) {\n\n\t\tlet scale = 1;\n\n\t\tconst dimensions = getDimensions( image );\n\n\t\t// handle case if texture exceeds max size\n\n\t\tif ( dimensions.width > maxSize || dimensions.height > maxSize ) {\n\n\t\t\tscale = maxSize / Math.max( dimensions.width, dimensions.height );\n\n\t\t}\n\n\t\t// only perform resize if necessary\n\n\t\tif ( scale < 1 ) {\n\n\t\t\t// only perform resize for certain image types\n\n\t\t\tif ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) ||\n\t\t\t\t( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) ||\n\t\t\t\t( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ||\n\t\t\t\t( typeof VideoFrame !== 'undefined' && image instanceof VideoFrame ) ) {\n\n\t\t\t\tconst width = Math.floor( scale * dimensions.width );\n\t\t\t\tconst height = Math.floor( scale * dimensions.height );\n\n\t\t\t\tif ( _canvas === undefined ) _canvas = createCanvas( width, height );\n\n\t\t\t\t// cube textures can't reuse the same canvas\n\n\t\t\t\tconst canvas = needsNewCanvas ? createCanvas( width, height ) : _canvas;\n\n\t\t\t\tcanvas.width = width;\n\t\t\t\tcanvas.height = height;\n\n\t\t\t\tconst context = canvas.getContext( '2d' );\n\t\t\t\tcontext.drawImage( image, 0, 0, width, height );\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture has been resized from (' + dimensions.width + 'x' + dimensions.height + ') to (' + width + 'x' + height + ').' );\n\n\t\t\t\treturn canvas;\n\n\t\t\t} else {\n\n\t\t\t\tif ( 'data' in image ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Image in DataTexture is too big (' + dimensions.width + 'x' + dimensions.height + ').' );\n\n\t\t\t\t}\n\n\t\t\t\treturn image;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn image;\n\n\t}\n\n\tfunction textureNeedsGenerateMipmaps( texture ) {\n\n\t\treturn texture.generateMipmaps;\n\n\t}\n\n\tfunction generateMipmap( target ) {\n\n\t\t_gl.generateMipmap( target );\n\n\t}\n\n\tfunction getTargetType( texture ) {\n\n\t\tif ( texture.isWebGLCubeRenderTarget ) return _gl.TEXTURE_CUBE_MAP;\n\t\tif ( texture.isWebGL3DRenderTarget ) return _gl.TEXTURE_3D;\n\t\tif ( texture.isWebGLArrayRenderTarget || texture.isCompressedArrayTexture ) return _gl.TEXTURE_2D_ARRAY;\n\t\treturn _gl.TEXTURE_2D;\n\n\t}\n\n\tfunction getInternalFormat( internalFormatName, glFormat, glType, colorSpace, forceLinearTransfer = false ) {\n\n\t\tif ( internalFormatName !== null ) {\n\n\t\t\tif ( _gl[ internalFormatName ] !== undefined ) return _gl[ internalFormatName ];\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format \\'' + internalFormatName + '\\'' );\n\n\t\t}\n\n\t\tlet internalFormat = glFormat;\n\n\t\tif ( glFormat === _gl.RED ) {\n\n\t\t\tif ( glType === _gl.FLOAT ) internalFormat = _gl.R32F;\n\t\t\tif ( glType === _gl.HALF_FLOAT ) internalFormat = _gl.R16F;\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.R8;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RED_INTEGER ) {\n\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.R8UI;\n\t\t\tif ( glType === _gl.UNSIGNED_SHORT ) internalFormat = _gl.R16UI;\n\t\t\tif ( glType === _gl.UNSIGNED_INT ) internalFormat = _gl.R32UI;\n\t\t\tif ( glType === _gl.BYTE ) internalFormat = _gl.R8I;\n\t\t\tif ( glType === _gl.SHORT ) internalFormat = _gl.R16I;\n\t\t\tif ( glType === _gl.INT ) internalFormat = _gl.R32I;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RG ) {\n\n\t\t\tif ( glType === _gl.FLOAT ) internalFormat = _gl.RG32F;\n\t\t\tif ( glType === _gl.HALF_FLOAT ) internalFormat = _gl.RG16F;\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.RG8;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RG_INTEGER ) {\n\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.RG8UI;\n\t\t\tif ( glType === _gl.UNSIGNED_SHORT ) internalFormat = _gl.RG16UI;\n\t\t\tif ( glType === _gl.UNSIGNED_INT ) internalFormat = _gl.RG32UI;\n\t\t\tif ( glType === _gl.BYTE ) internalFormat = _gl.RG8I;\n\t\t\tif ( glType === _gl.SHORT ) internalFormat = _gl.RG16I;\n\t\t\tif ( glType === _gl.INT ) internalFormat = _gl.RG32I;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RGB_INTEGER ) {\n\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.RGB8UI;\n\t\t\tif ( glType === _gl.UNSIGNED_SHORT ) internalFormat = _gl.RGB16UI;\n\t\t\tif ( glType === _gl.UNSIGNED_INT ) internalFormat = _gl.RGB32UI;\n\t\t\tif ( glType === _gl.BYTE ) internalFormat = _gl.RGB8I;\n\t\t\tif ( glType === _gl.SHORT ) internalFormat = _gl.RGB16I;\n\t\t\tif ( glType === _gl.INT ) internalFormat = _gl.RGB32I;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RGBA_INTEGER ) {\n\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.RGBA8UI;\n\t\t\tif ( glType === _gl.UNSIGNED_SHORT ) internalFormat = _gl.RGBA16UI;\n\t\t\tif ( glType === _gl.UNSIGNED_INT ) internalFormat = _gl.RGBA32UI;\n\t\t\tif ( glType === _gl.BYTE ) internalFormat = _gl.RGBA8I;\n\t\t\tif ( glType === _gl.SHORT ) internalFormat = _gl.RGBA16I;\n\t\t\tif ( glType === _gl.INT ) internalFormat = _gl.RGBA32I;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RGB ) {\n\n\t\t\tif ( glType === _gl.UNSIGNED_INT_5_9_9_9_REV ) internalFormat = _gl.RGB9_E5;\n\n\t\t}\n\n\t\tif ( glFormat === _gl.RGBA ) {\n\n\t\t\tconst transfer = forceLinearTransfer ? LinearTransfer : ColorManagement.getTransfer( colorSpace );\n\n\t\t\tif ( glType === _gl.FLOAT ) internalFormat = _gl.RGBA32F;\n\t\t\tif ( glType === _gl.HALF_FLOAT ) internalFormat = _gl.RGBA16F;\n\t\t\tif ( glType === _gl.UNSIGNED_BYTE ) internalFormat = ( transfer === SRGBTransfer ) ? _gl.SRGB8_ALPHA8 : _gl.RGBA8;\n\t\t\tif ( glType === _gl.UNSIGNED_SHORT_4_4_4_4 ) internalFormat = _gl.RGBA4;\n\t\t\tif ( glType === _gl.UNSIGNED_SHORT_5_5_5_1 ) internalFormat = _gl.RGB5_A1;\n\n\t\t}\n\n\t\tif ( internalFormat === _gl.R16F || internalFormat === _gl.R32F ||\n\t\t\tinternalFormat === _gl.RG16F || internalFormat === _gl.RG32F ||\n\t\t\tinternalFormat === _gl.RGBA16F || internalFormat === _gl.RGBA32F ) {\n\n\t\t\textensions.get( 'EXT_color_buffer_float' );\n\n\t\t}\n\n\t\treturn internalFormat;\n\n\t}\n\n\tfunction getInternalDepthFormat( useStencil, depthType ) {\n\n\t\tlet glInternalFormat;\n\t\tif ( useStencil ) {\n\n\t\t\tif ( depthType === null || depthType === UnsignedIntType || depthType === UnsignedInt248Type ) {\n\n\t\t\t\tglInternalFormat = _gl.DEPTH24_STENCIL8;\n\n\t\t\t} else if ( depthType === FloatType ) {\n\n\t\t\t\tglInternalFormat = _gl.DEPTH32F_STENCIL8;\n\n\t\t\t} else if ( depthType === UnsignedShortType ) {\n\n\t\t\t\tglInternalFormat = _gl.DEPTH24_STENCIL8;\n\t\t\t\tconsole.warn( 'DepthTexture: 16 bit depth attachment is not supported with stencil. Using 24-bit attachment.' );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tif ( depthType === null || depthType === UnsignedIntType || depthType === UnsignedInt248Type ) {\n\n\t\t\t\tglInternalFormat = _gl.DEPTH_COMPONENT24;\n\n\t\t\t} else if ( depthType === FloatType ) {\n\n\t\t\t\tglInternalFormat = _gl.DEPTH_COMPONENT32F;\n\n\t\t\t} else if ( depthType === UnsignedShortType ) {\n\n\t\t\t\tglInternalFormat = _gl.DEPTH_COMPONENT16;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn glInternalFormat;\n\n\t}\n\n\tfunction getMipLevels( texture, image ) {\n\n\t\tif ( textureNeedsGenerateMipmaps( texture ) === true || ( texture.isFramebufferTexture && texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) ) {\n\n\t\t\treturn Math.log2( Math.max( image.width, image.height ) ) + 1;\n\n\t\t} else if ( texture.mipmaps !== undefined && texture.mipmaps.length > 0 ) {\n\n\t\t\t// user-defined mipmaps\n\n\t\t\treturn texture.mipmaps.length;\n\n\t\t} else if ( texture.isCompressedTexture && Array.isArray( texture.image ) ) {\n\n\t\t\treturn image.mipmaps.length;\n\n\t\t} else {\n\n\t\t\t// texture without mipmaps (only base level)\n\n\t\t\treturn 1;\n\n\t\t}\n\n\t}\n\n\t//\n\n\tfunction onTextureDispose( event ) {\n\n\t\tconst texture = event.target;\n\n\t\ttexture.removeEventListener( 'dispose', onTextureDispose );\n\n\t\tdeallocateTexture( texture );\n\n\t\tif ( texture.isVideoTexture ) {\n\n\t\t\t_videoTextures.delete( texture );\n\n\t\t}\n\n\t}\n\n\tfunction onRenderTargetDispose( event ) {\n\n\t\tconst renderTarget = event.target;\n\n\t\trenderTarget.removeEventListener( 'dispose', onRenderTargetDispose );\n\n\t\tdeallocateRenderTarget( renderTarget );\n\n\t}\n\n\t//\n\n\tfunction deallocateTexture( texture ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( textureProperties.__webglInit === undefined ) return;\n\n\t\t// check if it's necessary to remove the WebGLTexture object\n\n\t\tconst source = texture.source;\n\t\tconst webglTextures = _sources.get( source );\n\n\t\tif ( webglTextures ) {\n\n\t\t\tconst webglTexture = webglTextures[ textureProperties.__cacheKey ];\n\t\t\twebglTexture.usedTimes --;\n\n\t\t\t// the WebGLTexture object is not used anymore, remove it\n\n\t\t\tif ( webglTexture.usedTimes === 0 ) {\n\n\t\t\t\tdeleteTexture( texture );\n\n\t\t\t}\n\n\t\t\t// remove the weak map entry if no WebGLTexture uses the source anymore\n\n\t\t\tif ( Object.keys( webglTextures ).length === 0 ) {\n\n\t\t\t\t_sources.delete( source );\n\n\t\t\t}\n\n\t\t}\n\n\t\tproperties.remove( texture );\n\n\t}\n\n\tfunction deleteTexture( texture ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\t\t_gl.deleteTexture( textureProperties.__webglTexture );\n\n\t\tconst source = texture.source;\n\t\tconst webglTextures = _sources.get( source );\n\t\tdelete webglTextures[ textureProperties.__cacheKey ];\n\n\t\tinfo.memory.textures --;\n\n\t}\n\n\tfunction deallocateRenderTarget( renderTarget ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\tif ( renderTarget.depthTexture ) {\n\n\t\t\trenderTarget.depthTexture.dispose();\n\n\t\t\tproperties.remove( renderTarget.depthTexture );\n\n\t\t}\n\n\t\tif ( renderTarget.isWebGLCubeRenderTarget ) {\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( Array.isArray( renderTargetProperties.__webglFramebuffer[ i ] ) ) {\n\n\t\t\t\t\tfor ( let level = 0; level < renderTargetProperties.__webglFramebuffer[ i ].length; level ++ ) _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ][ level ] );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tif ( Array.isArray( renderTargetProperties.__webglFramebuffer ) ) {\n\n\t\t\t\tfor ( let level = 0; level < renderTargetProperties.__webglFramebuffer.length; level ++ ) _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ level ] );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer );\n\n\t\t\t}\n\n\t\t\tif ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer );\n\t\t\tif ( renderTargetProperties.__webglMultisampledFramebuffer ) _gl.deleteFramebuffer( renderTargetProperties.__webglMultisampledFramebuffer );\n\n\t\t\tif ( renderTargetProperties.__webglColorRenderbuffer ) {\n\n\t\t\t\tfor ( let i = 0; i < renderTargetProperties.__webglColorRenderbuffer.length; i ++ ) {\n\n\t\t\t\t\tif ( renderTargetProperties.__webglColorRenderbuffer[ i ] ) _gl.deleteRenderbuffer( renderTargetProperties.__webglColorRenderbuffer[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( renderTargetProperties.__webglDepthRenderbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthRenderbuffer );\n\n\t\t}\n\n\t\tconst textures = renderTarget.textures;\n\n\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\tconst attachmentProperties = properties.get( textures[ i ] );\n\n\t\t\tif ( attachmentProperties.__webglTexture ) {\n\n\t\t\t\t_gl.deleteTexture( attachmentProperties.__webglTexture );\n\n\t\t\t\tinfo.memory.textures --;\n\n\t\t\t}\n\n\t\t\tproperties.remove( textures[ i ] );\n\n\t\t}\n\n\t\tproperties.remove( renderTarget );\n\n\t}\n\n\t//\n\n\tlet textureUnits = 0;\n\n\tfunction resetTextureUnits() {\n\n\t\ttextureUnits = 0;\n\n\t}\n\n\tfunction allocateTextureUnit() {\n\n\t\tconst textureUnit = textureUnits;\n\n\t\tif ( textureUnit >= capabilities.maxTextures ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLTextures: Trying to use ' + textureUnit + ' texture units while this GPU supports only ' + capabilities.maxTextures );\n\n\t\t}\n\n\t\ttextureUnits += 1;\n\n\t\treturn textureUnit;\n\n\t}\n\n\tfunction getTextureCacheKey( texture ) {\n\n\t\tconst array = [];\n\n\t\tarray.push( texture.wrapS );\n\t\tarray.push( texture.wrapT );\n\t\tarray.push( texture.wrapR || 0 );\n\t\tarray.push( texture.magFilter );\n\t\tarray.push( texture.minFilter );\n\t\tarray.push( texture.anisotropy );\n\t\tarray.push( texture.internalFormat );\n\t\tarray.push( texture.format );\n\t\tarray.push( texture.type );\n\t\tarray.push( texture.generateMipmaps );\n\t\tarray.push( texture.premultiplyAlpha );\n\t\tarray.push( texture.flipY );\n\t\tarray.push( texture.unpackAlignment );\n\t\tarray.push( texture.colorSpace );\n\n\t\treturn array.join();\n\n\t}\n\n\t//\n\n\tfunction setTexture2D( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.isVideoTexture ) updateVideoTexture( texture );\n\n\t\tif ( texture.isRenderTargetTexture === false && texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tconst image = texture.image;\n\n\t\t\tif ( image === null ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but no image data found.' );\n\n\t\t\t} else if ( image.complete === false ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete' );\n\n\t\t\t} else {\n\n\t\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture, _gl.TEXTURE0 + slot );\n\n\t}\n\n\tfunction setTexture2DArray( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.bindTexture( _gl.TEXTURE_2D_ARRAY, textureProperties.__webglTexture, _gl.TEXTURE0 + slot );\n\n\t}\n\n\tfunction setTexture3D( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.bindTexture( _gl.TEXTURE_3D, textureProperties.__webglTexture, _gl.TEXTURE0 + slot );\n\n\t}\n\n\tfunction setTextureCube( texture, slot ) {\n\n\t\tconst textureProperties = properties.get( texture );\n\n\t\tif ( texture.version > 0 && textureProperties.__version !== texture.version ) {\n\n\t\t\tuploadCubeTexture( textureProperties, texture, slot );\n\t\t\treturn;\n\n\t\t}\n\n\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture, _gl.TEXTURE0 + slot );\n\n\t}\n\n\tconst wrappingToGL = {\n\t\t[ RepeatWrapping ]: _gl.REPEAT,\n\t\t[ ClampToEdgeWrapping ]: _gl.CLAMP_TO_EDGE,\n\t\t[ MirroredRepeatWrapping ]: _gl.MIRRORED_REPEAT\n\t};\n\n\tconst filterToGL = {\n\t\t[ NearestFilter ]: _gl.NEAREST,\n\t\t[ NearestMipmapNearestFilter ]: _gl.NEAREST_MIPMAP_NEAREST,\n\t\t[ NearestMipmapLinearFilter ]: _gl.NEAREST_MIPMAP_LINEAR,\n\n\t\t[ LinearFilter ]: _gl.LINEAR,\n\t\t[ LinearMipmapNearestFilter ]: _gl.LINEAR_MIPMAP_NEAREST,\n\t\t[ LinearMipmapLinearFilter ]: _gl.LINEAR_MIPMAP_LINEAR\n\t};\n\n\tconst compareToGL = {\n\t\t[ NeverCompare ]: _gl.NEVER,\n\t\t[ AlwaysCompare ]: _gl.ALWAYS,\n\t\t[ LessCompare ]: _gl.LESS,\n\t\t[ LessEqualCompare ]: _gl.LEQUAL,\n\t\t[ EqualCompare ]: _gl.EQUAL,\n\t\t[ GreaterEqualCompare ]: _gl.GEQUAL,\n\t\t[ GreaterCompare ]: _gl.GREATER,\n\t\t[ NotEqualCompare ]: _gl.NOTEQUAL\n\t};\n\n\tfunction setTextureParameters( textureType, texture ) {\n\n\t\tif ( texture.type === FloatType && extensions.has( 'OES_texture_float_linear' ) === false &&\n\t\t\t( texture.magFilter === LinearFilter || texture.magFilter === LinearMipmapNearestFilter || texture.magFilter === NearestMipmapLinearFilter || texture.magFilter === LinearMipmapLinearFilter ||\n\t\t\ttexture.minFilter === LinearFilter || texture.minFilter === LinearMipmapNearestFilter || texture.minFilter === NearestMipmapLinearFilter || texture.minFilter === LinearMipmapLinearFilter ) ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Unable to use linear filtering with floating point textures. OES_texture_float_linear not supported on this device.' );\n\n\t\t}\n\n\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, wrappingToGL[ texture.wrapS ] );\n\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, wrappingToGL[ texture.wrapT ] );\n\n\t\tif ( textureType === _gl.TEXTURE_3D || textureType === _gl.TEXTURE_2D_ARRAY ) {\n\n\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_R, wrappingToGL[ texture.wrapR ] );\n\n\t\t}\n\n\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, filterToGL[ texture.magFilter ] );\n\t\t_gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, filterToGL[ texture.minFilter ] );\n\n\t\tif ( texture.compareFunction ) {\n\n\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_COMPARE_MODE, _gl.COMPARE_REF_TO_TEXTURE );\n\t\t\t_gl.texParameteri( textureType, _gl.TEXTURE_COMPARE_FUNC, compareToGL[ texture.compareFunction ] );\n\n\t\t}\n\n\t\tif ( extensions.has( 'EXT_texture_filter_anisotropic' ) === true ) {\n\n\t\t\tif ( texture.magFilter === NearestFilter ) return;\n\t\t\tif ( texture.minFilter !== NearestMipmapLinearFilter && texture.minFilter !== LinearMipmapLinearFilter ) return;\n\t\t\tif ( texture.type === FloatType && extensions.has( 'OES_texture_float_linear' ) === false ) return; // verify extension\n\n\t\t\tif ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) {\n\n\t\t\t\tconst extension = extensions.get( 'EXT_texture_filter_anisotropic' );\n\t\t\t\t_gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) );\n\t\t\t\tproperties.get( texture ).__currentAnisotropy = texture.anisotropy;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction initTexture( textureProperties, texture ) {\n\n\t\tlet forceUpload = false;\n\n\t\tif ( textureProperties.__webglInit === undefined ) {\n\n\t\t\ttextureProperties.__webglInit = true;\n\n\t\t\ttexture.addEventListener( 'dispose', onTextureDispose );\n\n\t\t}\n\n\t\t// create Source <-> WebGLTextures mapping if necessary\n\n\t\tconst source = texture.source;\n\t\tlet webglTextures = _sources.get( source );\n\n\t\tif ( webglTextures === undefined ) {\n\n\t\t\twebglTextures = {};\n\t\t\t_sources.set( source, webglTextures );\n\n\t\t}\n\n\t\t// check if there is already a WebGLTexture object for the given texture parameters\n\n\t\tconst textureCacheKey = getTextureCacheKey( texture );\n\n\t\tif ( textureCacheKey !== textureProperties.__cacheKey ) {\n\n\t\t\t// if not, create a new instance of WebGLTexture\n\n\t\t\tif ( webglTextures[ textureCacheKey ] === undefined ) {\n\n\t\t\t\t// create new entry\n\n\t\t\t\twebglTextures[ textureCacheKey ] = {\n\t\t\t\t\ttexture: _gl.createTexture(),\n\t\t\t\t\tusedTimes: 0\n\t\t\t\t};\n\n\t\t\t\tinfo.memory.textures ++;\n\n\t\t\t\t// when a new instance of WebGLTexture was created, a texture upload is required\n\t\t\t\t// even if the image contents are identical\n\n\t\t\t\tforceUpload = true;\n\n\t\t\t}\n\n\t\t\twebglTextures[ textureCacheKey ].usedTimes ++;\n\n\t\t\t// every time the texture cache key changes, it's necessary to check if an instance of\n\t\t\t// WebGLTexture can be deleted in order to avoid a memory leak.\n\n\t\t\tconst webglTexture = webglTextures[ textureProperties.__cacheKey ];\n\n\t\t\tif ( webglTexture !== undefined ) {\n\n\t\t\t\twebglTextures[ textureProperties.__cacheKey ].usedTimes --;\n\n\t\t\t\tif ( webglTexture.usedTimes === 0 ) {\n\n\t\t\t\t\tdeleteTexture( texture );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// store references to cache key and WebGLTexture object\n\n\t\t\ttextureProperties.__cacheKey = textureCacheKey;\n\t\t\ttextureProperties.__webglTexture = webglTextures[ textureCacheKey ].texture;\n\n\t\t}\n\n\t\treturn forceUpload;\n\n\t}\n\n\tfunction uploadTexture( textureProperties, texture, slot ) {\n\n\t\tlet textureType = _gl.TEXTURE_2D;\n\n\t\tif ( texture.isDataArrayTexture || texture.isCompressedArrayTexture ) textureType = _gl.TEXTURE_2D_ARRAY;\n\t\tif ( texture.isData3DTexture ) textureType = _gl.TEXTURE_3D;\n\n\t\tconst forceUpload = initTexture( textureProperties, texture );\n\t\tconst source = texture.source;\n\n\t\tstate.bindTexture( textureType, textureProperties.__webglTexture, _gl.TEXTURE0 + slot );\n\n\t\tconst sourceProperties = properties.get( source );\n\n\t\tif ( source.version !== sourceProperties.__version || forceUpload === true ) {\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\n\t\t\tconst workingPrimaries = ColorManagement.getPrimaries( ColorManagement.workingColorSpace );\n\t\t\tconst texturePrimaries = texture.colorSpace === NoColorSpace ? null : ColorManagement.getPrimaries( texture.colorSpace );\n\t\t\tconst unpackConversion = texture.colorSpace === NoColorSpace || workingPrimaries === texturePrimaries ? _gl.NONE : _gl.BROWSER_DEFAULT_WEBGL;\n\n\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ALIGNMENT, texture.unpackAlignment );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, unpackConversion );\n\n\t\t\tlet image = resizeImage( texture.image, false, capabilities.maxTextureSize );\n\t\t\timage = verifyColorSpace( texture, image );\n\n\t\t\tconst glFormat = utils.convert( texture.format, texture.colorSpace );\n\n\t\t\tconst glType = utils.convert( texture.type );\n\t\t\tlet glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.colorSpace, texture.isVideoTexture );\n\n\t\t\tsetTextureParameters( textureType, texture );\n\n\t\t\tlet mipmap;\n\t\t\tconst mipmaps = texture.mipmaps;\n\n\t\t\tconst useTexStorage = ( texture.isVideoTexture !== true );\n\t\t\tconst allocateMemory = ( sourceProperties.__version === undefined ) || ( forceUpload === true );\n\t\t\tconst dataReady = source.dataReady;\n\t\t\tconst levels = getMipLevels( texture, image );\n\n\t\t\tif ( texture.isDepthTexture ) {\n\n\t\t\t\tglInternalFormat = getInternalDepthFormat( texture.format === DepthStencilFormat, texture.type );\n\n\t\t\t\t//\n\n\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, 1, glInternalFormat, image.width, image.height );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, null );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( texture.isDataTexture ) {\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 ) {\n\n\t\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, mipmaps[ 0 ].width, mipmaps[ 0 ].height );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_2D, i, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, image.width, image.height );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_2D, 0, 0, 0, image.width, image.height, glFormat, glType, image.data );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, image.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( texture.isCompressedTexture ) {\n\n\t\t\t\tif ( texture.isCompressedArrayTexture ) {\n\n\t\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage3D( _gl.TEXTURE_2D_ARRAY, levels, glInternalFormat, mipmaps[ 0 ].width, mipmaps[ 0 ].height, image.depth );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\t\tif ( texture.format !== RGBAFormat ) {\n\n\t\t\t\t\t\t\tif ( glFormat !== null ) {\n\n\t\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\t\tif ( texture.layerUpdates.size > 0 ) {\n\n\t\t\t\t\t\t\t\t\t\t\tconst layerByteLength = getByteLength( mipmap.width, mipmap.height, texture.format, texture.type );\n\n\t\t\t\t\t\t\t\t\t\t\tfor ( const layerIndex of texture.layerUpdates ) {\n\n\t\t\t\t\t\t\t\t\t\t\t\tconst layerData = mipmap.data.subarray(\n\t\t\t\t\t\t\t\t\t\t\t\t\tlayerIndex * layerByteLength / mipmap.data.BYTES_PER_ELEMENT,\n\t\t\t\t\t\t\t\t\t\t\t\t\t( layerIndex + 1 ) * layerByteLength / mipmap.data.BYTES_PER_ELEMENT\n\t\t\t\t\t\t\t\t\t\t\t\t);\n\t\t\t\t\t\t\t\t\t\t\t\tstate.compressedTexSubImage3D( _gl.TEXTURE_2D_ARRAY, i, 0, 0, layerIndex, mipmap.width, mipmap.height, 1, glFormat, layerData );\n\n\t\t\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t\t\t\ttexture.clearLayerUpdates();\n\n\t\t\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\t\t\tstate.compressedTexSubImage3D( _gl.TEXTURE_2D_ARRAY, i, 0, 0, 0, mipmap.width, mipmap.height, image.depth, glFormat, mipmap.data );\n\n\t\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tstate.compressedTexImage3D( _gl.TEXTURE_2D_ARRAY, i, glInternalFormat, mipmap.width, mipmap.height, image.depth, 0, mipmap.data, 0, 0 );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()' );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\tstate.texSubImage3D( _gl.TEXTURE_2D_ARRAY, i, 0, 0, 0, mipmap.width, mipmap.height, image.depth, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage3D( _gl.TEXTURE_2D_ARRAY, i, glInternalFormat, mipmap.width, mipmap.height, image.depth, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, mipmaps[ 0 ].width, mipmaps[ 0 ].height );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\t\tif ( texture.format !== RGBAFormat ) {\n\n\t\t\t\t\t\t\tif ( glFormat !== null ) {\n\n\t\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\t\tstate.compressedTexSubImage2D( _gl.TEXTURE_2D, i, 0, 0, mipmap.width, mipmap.height, glFormat, mipmap.data );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tstate.compressedTexImage2D( _gl.TEXTURE_2D, i, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()' );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_2D, i, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( texture.isDataArrayTexture ) {\n\n\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage3D( _gl.TEXTURE_2D_ARRAY, levels, glInternalFormat, image.width, image.height, image.depth );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\tif ( texture.layerUpdates.size > 0 ) {\n\n\t\t\t\t\t\t\tconst layerByteLength = getByteLength( image.width, image.height, texture.format, texture.type );\n\n\t\t\t\t\t\t\tfor ( const layerIndex of texture.layerUpdates ) {\n\n\t\t\t\t\t\t\t\tconst layerData = image.data.subarray(\n\t\t\t\t\t\t\t\t\tlayerIndex * layerByteLength / image.data.BYTES_PER_ELEMENT,\n\t\t\t\t\t\t\t\t\t( layerIndex + 1 ) * layerByteLength / image.data.BYTES_PER_ELEMENT\n\t\t\t\t\t\t\t\t);\n\t\t\t\t\t\t\t\tstate.texSubImage3D( _gl.TEXTURE_2D_ARRAY, 0, 0, 0, layerIndex, image.width, image.height, 1, glFormat, glType, layerData );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\ttexture.clearLayerUpdates();\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tstate.texSubImage3D( _gl.TEXTURE_2D_ARRAY, 0, 0, 0, 0, image.width, image.height, image.depth, glFormat, glType, image.data );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage3D( _gl.TEXTURE_2D_ARRAY, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data );\n\n\t\t\t\t}\n\n\t\t\t} else if ( texture.isData3DTexture ) {\n\n\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\t\tstate.texStorage3D( _gl.TEXTURE_3D, levels, glInternalFormat, image.width, image.height, image.depth );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\tstate.texSubImage3D( _gl.TEXTURE_3D, 0, 0, 0, 0, image.width, image.height, image.depth, glFormat, glType, image.data );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tstate.texImage3D( _gl.TEXTURE_3D, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data );\n\n\t\t\t\t}\n\n\t\t\t} else if ( texture.isFramebufferTexture ) {\n\n\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, image.width, image.height );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tlet width = image.width, height = image.height;\n\n\t\t\t\t\t\tfor ( let i = 0; i < levels; i ++ ) {\n\n\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glInternalFormat, width, height, 0, glFormat, glType, null );\n\n\t\t\t\t\t\t\twidth >>= 1;\n\t\t\t\t\t\t\theight >>= 1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// regular Texture (image, video, canvas)\n\n\t\t\t\t// use manually created mipmaps if available\n\t\t\t\t// if there are no manual mipmaps\n\t\t\t\t// set 0 level mipmap and then use GL to generate other mipmap levels\n\n\t\t\t\tif ( mipmaps.length > 0 ) {\n\n\t\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\t\tconst dimensions = getDimensions( mipmaps[ 0 ] );\n\n\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, dimensions.width, dimensions.height );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor ( let i = 0, il = mipmaps.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tmipmap = mipmaps[ i ];\n\n\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_2D, i, 0, 0, glFormat, glType, mipmap );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, i, glInternalFormat, glFormat, glType, mipmap );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.generateMipmaps = false;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\tif ( allocateMemory ) {\n\n\t\t\t\t\t\t\tconst dimensions = getDimensions( image );\n\n\t\t\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, dimensions.width, dimensions.height );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_2D, 0, 0, 0, glFormat, glType, image );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_2D, 0, glInternalFormat, glFormat, glType, image );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture ) ) {\n\n\t\t\t\tgenerateMipmap( textureType );\n\n\t\t\t}\n\n\t\t\tsourceProperties.__version = source.version;\n\n\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t}\n\n\t\ttextureProperties.__version = texture.version;\n\n\t}\n\n\tfunction uploadCubeTexture( textureProperties, texture, slot ) {\n\n\t\tif ( texture.image.length !== 6 ) return;\n\n\t\tconst forceUpload = initTexture( textureProperties, texture );\n\t\tconst source = texture.source;\n\n\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture, _gl.TEXTURE0 + slot );\n\n\t\tconst sourceProperties = properties.get( source );\n\n\t\tif ( source.version !== sourceProperties.__version || forceUpload === true ) {\n\n\t\t\tstate.activeTexture( _gl.TEXTURE0 + slot );\n\n\t\t\tconst workingPrimaries = ColorManagement.getPrimaries( ColorManagement.workingColorSpace );\n\t\t\tconst texturePrimaries = texture.colorSpace === NoColorSpace ? null : ColorManagement.getPrimaries( texture.colorSpace );\n\t\t\tconst unpackConversion = texture.colorSpace === NoColorSpace || workingPrimaries === texturePrimaries ? _gl.NONE : _gl.BROWSER_DEFAULT_WEBGL;\n\n\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ALIGNMENT, texture.unpackAlignment );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, unpackConversion );\n\n\t\t\tconst isCompressed = ( texture.isCompressedTexture || texture.image[ 0 ].isCompressedTexture );\n\t\t\tconst isDataTexture = ( texture.image[ 0 ] && texture.image[ 0 ].isDataTexture );\n\n\t\t\tconst cubeImage = [];\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( ! isCompressed && ! isDataTexture ) {\n\n\t\t\t\t\tcubeImage[ i ] = resizeImage( texture.image[ i ], true, capabilities.maxCubemapSize );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tcubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ];\n\n\t\t\t\t}\n\n\t\t\t\tcubeImage[ i ] = verifyColorSpace( texture, cubeImage[ i ] );\n\n\t\t\t}\n\n\t\t\tconst image = cubeImage[ 0 ],\n\t\t\t\tglFormat = utils.convert( texture.format, texture.colorSpace ),\n\t\t\t\tglType = utils.convert( texture.type ),\n\t\t\t\tglInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.colorSpace );\n\n\t\t\tconst useTexStorage = ( texture.isVideoTexture !== true );\n\t\t\tconst allocateMemory = ( sourceProperties.__version === undefined ) || ( forceUpload === true );\n\t\t\tconst dataReady = source.dataReady;\n\t\t\tlet levels = getMipLevels( texture, image );\n\n\t\t\tsetTextureParameters( _gl.TEXTURE_CUBE_MAP, texture );\n\n\t\t\tlet mipmaps;\n\n\t\t\tif ( isCompressed ) {\n\n\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_CUBE_MAP, levels, glInternalFormat, image.width, image.height );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tmipmaps = cubeImage[ i ].mipmaps;\n\n\t\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\n\t\t\t\t\t\tif ( texture.format !== RGBAFormat ) {\n\n\t\t\t\t\t\t\tif ( glFormat !== null ) {\n\n\t\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\t\tstate.compressedTexSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, 0, 0, mipmap.width, mipmap.height, glFormat, mipmap.data );\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\tstate.compressedTexImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()' );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tmipmaps = texture.mipmaps;\n\n\t\t\t\tif ( useTexStorage && allocateMemory ) {\n\n\t\t\t\t\t// TODO: Uniformly handle mipmap definitions\n\t\t\t\t\t// Normal textures and compressed cube textures define base level + mips with their mipmap array\n\t\t\t\t\t// Uncompressed cube textures use their mipmap array only for mips (no base level)\n\n\t\t\t\t\tif ( mipmaps.length > 0 ) levels ++;\n\n\t\t\t\t\tconst dimensions = getDimensions( cubeImage[ 0 ] );\n\n\t\t\t\t\tstate.texStorage2D( _gl.TEXTURE_CUBE_MAP, levels, glInternalFormat, dimensions.width, dimensions.height );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tif ( isDataTexture ) {\n\n\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, 0, 0, cubeImage[ i ].width, cubeImage[ i ].height, glFormat, glType, cubeImage[ i ].data );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glInternalFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\t\t\t\t\t\t\tconst mipmapImage = mipmap.image[ i ].image;\n\n\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, 0, 0, mipmapImage.width, mipmapImage.height, glFormat, glType, mipmapImage.data );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, glInternalFormat, mipmapImage.width, mipmapImage.height, 0, glFormat, glType, mipmapImage.data );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, 0, 0, glFormat, glType, cubeImage[ i ] );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glInternalFormat, glFormat, glType, cubeImage[ i ] );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tfor ( let j = 0; j < mipmaps.length; j ++ ) {\n\n\t\t\t\t\t\t\tconst mipmap = mipmaps[ j ];\n\n\t\t\t\t\t\t\tif ( useTexStorage ) {\n\n\t\t\t\t\t\t\t\tif ( dataReady ) {\n\n\t\t\t\t\t\t\t\t\tstate.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, 0, 0, glFormat, glType, mipmap.image[ i ] );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tstate.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, glInternalFormat, glFormat, glType, mipmap.image[ i ] );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture ) ) {\n\n\t\t\t\t// We assume images for cube map have the same size.\n\t\t\t\tgenerateMipmap( _gl.TEXTURE_CUBE_MAP );\n\n\t\t\t}\n\n\t\t\tsourceProperties.__version = source.version;\n\n\t\t\tif ( texture.onUpdate ) texture.onUpdate( texture );\n\n\t\t}\n\n\t\ttextureProperties.__version = texture.version;\n\n\t}\n\n\t// Render targets\n\n\t// Setup storage for target texture and bind it to correct framebuffer\n\tfunction setupFrameBufferTexture( framebuffer, renderTarget, texture, attachment, textureTarget, level ) {\n\n\t\tconst glFormat = utils.convert( texture.format, texture.colorSpace );\n\t\tconst glType = utils.convert( texture.type );\n\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.colorSpace );\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst textureProperties = properties.get( texture );\n\n\t\ttextureProperties.__renderTarget = renderTarget;\n\n\t\tif ( ! renderTargetProperties.__hasExternalTextures ) {\n\n\t\t\tconst width = Math.max( 1, renderTarget.width >> level );\n\t\t\tconst height = Math.max( 1, renderTarget.height >> level );\n\n\t\t\tif ( textureTarget === _gl.TEXTURE_3D || textureTarget === _gl.TEXTURE_2D_ARRAY ) {\n\n\t\t\t\tstate.texImage3D( textureTarget, level, glInternalFormat, width, height, renderTarget.depth, 0, glFormat, glType, null );\n\n\t\t\t} else {\n\n\t\t\t\tstate.texImage2D( textureTarget, level, glInternalFormat, width, height, 0, glFormat, glType, null );\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\tif ( useMultisampledRTT( renderTarget ) ) {\n\n\t\t\tmultisampledRTTExt.framebufferTexture2DMultisampleEXT( _gl.FRAMEBUFFER, attachment, textureTarget, textureProperties.__webglTexture, 0, getRenderTargetSamples( renderTarget ) );\n\n\t\t} else if ( textureTarget === _gl.TEXTURE_2D || ( textureTarget >= _gl.TEXTURE_CUBE_MAP_POSITIVE_X && textureTarget <= _gl.TEXTURE_CUBE_MAP_NEGATIVE_Z ) ) { // see #24753\n\n\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, attachment, textureTarget, textureProperties.__webglTexture, level );\n\n\t\t}\n\n\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t}\n\n\t// Setup storage for internal depth/stencil buffers and bind to correct framebuffer\n\tfunction setupRenderBufferStorage( renderbuffer, renderTarget, isMultisample ) {\n\n\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer );\n\n\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t// retrieve the depth attachment types\n\t\t\tconst depthTexture = renderTarget.depthTexture;\n\t\t\tconst depthType = depthTexture && depthTexture.isDepthTexture ? depthTexture.type : null;\n\t\t\tconst glInternalFormat = getInternalDepthFormat( renderTarget.stencilBuffer, depthType );\n\t\t\tconst glAttachmentType = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT;\n\n\t\t\t// set up the attachment\n\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\t\t\tconst isUseMultisampledRTT = useMultisampledRTT( renderTarget );\n\t\t\tif ( isUseMultisampledRTT ) {\n\n\t\t\t\tmultisampledRTTExt.renderbufferStorageMultisampleEXT( _gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t} else if ( isMultisample ) {\n\n\t\t\t\t_gl.renderbufferStorageMultisample( _gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t}\n\n\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, glAttachmentType, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t} else {\n\n\t\t\tconst textures = renderTarget.textures;\n\n\t\t\tfor ( let i = 0; i < textures.length; i ++ ) {\n\n\t\t\t\tconst texture = textures[ i ];\n\n\t\t\t\tconst glFormat = utils.convert( texture.format, texture.colorSpace );\n\t\t\t\tconst glType = utils.convert( texture.type );\n\t\t\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.colorSpace );\n\t\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\t\t\tif ( isMultisample && useMultisampledRTT( renderTarget ) === false ) {\n\n\t\t\t\t\t_gl.renderbufferStorageMultisample( _gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t} else if ( useMultisampledRTT( renderTarget ) ) {\n\n\t\t\t\t\tmultisampledRTTExt.renderbufferStorageMultisampleEXT( _gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_gl.renderbufferStorage( _gl.RENDERBUFFER, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, null );\n\n\t}\n\n\t// Setup resources for a Depth Texture for a FBO (needs an extension)\n\tfunction setupDepthTexture( framebuffer, renderTarget ) {\n\n\t\tconst isCube = ( renderTarget && renderTarget.isWebGLCubeRenderTarget );\n\t\tif ( isCube ) throw new Error( 'Depth Texture with cube render targets is not supported' );\n\n\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\tif ( ! ( renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture ) ) {\n\n\t\t\tthrow new Error( 'renderTarget.depthTexture must be an instance of THREE.DepthTexture' );\n\n\t\t}\n\n\t\tconst textureProperties = properties.get( renderTarget.depthTexture );\n\t\ttextureProperties.__renderTarget = renderTarget;\n\n\t\t// upload an empty depth texture with framebuffer size\n\t\tif ( ! textureProperties.__webglTexture ||\n\t\t\t\trenderTarget.depthTexture.image.width !== renderTarget.width ||\n\t\t\t\trenderTarget.depthTexture.image.height !== renderTarget.height ) {\n\n\t\t\trenderTarget.depthTexture.image.width = renderTarget.width;\n\t\t\trenderTarget.depthTexture.image.height = renderTarget.height;\n\t\t\trenderTarget.depthTexture.needsUpdate = true;\n\n\t\t}\n\n\t\tsetTexture2D( renderTarget.depthTexture, 0 );\n\n\t\tconst webglDepthTexture = textureProperties.__webglTexture;\n\t\tconst samples = getRenderTargetSamples( renderTarget );\n\n\t\tif ( renderTarget.depthTexture.format === DepthFormat ) {\n\n\t\t\tif ( useMultisampledRTT( renderTarget ) ) {\n\n\t\t\t\tmultisampledRTTExt.framebufferTexture2DMultisampleEXT( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0, samples );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );\n\n\t\t\t}\n\n\t\t} else if ( renderTarget.depthTexture.format === DepthStencilFormat ) {\n\n\t\t\tif ( useMultisampledRTT( renderTarget ) ) {\n\n\t\t\t\tmultisampledRTTExt.framebufferTexture2DMultisampleEXT( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0, samples );\n\n\t\t\t} else {\n\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'Unknown depthTexture format' );\n\n\t\t}\n\n\t}\n\n\t// Setup GL resources for a non-texture depth buffer\n\tfunction setupDepthRenderbuffer( renderTarget ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst isCube = ( renderTarget.isWebGLCubeRenderTarget === true );\n\n\t\t// if the bound depth texture has changed\n\t\tif ( renderTargetProperties.__boundDepthTexture !== renderTarget.depthTexture ) {\n\n\t\t\t// fire the dispose event to get rid of stored state associated with the previously bound depth buffer\n\t\t\tconst depthTexture = renderTarget.depthTexture;\n\t\t\tif ( renderTargetProperties.__depthDisposeCallback ) {\n\n\t\t\t\trenderTargetProperties.__depthDisposeCallback();\n\n\t\t\t}\n\n\t\t\t// set up dispose listeners to track when the currently attached buffer is implicitly unbound\n\t\t\tif ( depthTexture ) {\n\n\t\t\t\tconst disposeEvent = () => {\n\n\t\t\t\t\tdelete renderTargetProperties.__boundDepthTexture;\n\t\t\t\t\tdelete renderTargetProperties.__depthDisposeCallback;\n\t\t\t\t\tdepthTexture.removeEventListener( 'dispose', disposeEvent );\n\n\t\t\t\t};\n\n\t\t\t\tdepthTexture.addEventListener( 'dispose', disposeEvent );\n\t\t\t\trenderTargetProperties.__depthDisposeCallback = disposeEvent;\n\n\t\t\t}\n\n\t\t\trenderTargetProperties.__boundDepthTexture = depthTexture;\n\n\t\t}\n\n\t\tif ( renderTarget.depthTexture && ! renderTargetProperties.__autoAllocateDepthBuffer ) {\n\n\t\t\tif ( isCube ) throw new Error( 'target.depthTexture not supported in Cube render targets' );\n\n\t\t\tsetupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget );\n\n\t\t} else {\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\trenderTargetProperties.__webglDepthbuffer = [];\n\n\t\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[ i ] );\n\n\t\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer[ i ] === undefined ) {\n\n\t\t\t\t\t\trenderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer();\n\t\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget, false );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// attach buffer if it's been created already\n\t\t\t\t\t\tconst glAttachmentType = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT;\n\t\t\t\t\t\tconst renderbuffer = renderTargetProperties.__webglDepthbuffer[ i ];\n\t\t\t\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer );\n\t\t\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, glAttachmentType, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer );\n\n\t\t\t\tif ( renderTargetProperties.__webglDepthbuffer === undefined ) {\n\n\t\t\t\t\trenderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer();\n\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget, false );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// attach buffer if it's been created already\n\t\t\t\t\tconst glAttachmentType = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT;\n\t\t\t\t\tconst renderbuffer = renderTargetProperties.__webglDepthbuffer;\n\t\t\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer );\n\t\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, glAttachmentType, _gl.RENDERBUFFER, renderbuffer );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t}\n\n\t// rebind framebuffer with external textures\n\tfunction rebindTextures( renderTarget, colorTexture, depthTexture ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\tif ( colorTexture !== undefined ) {\n\n\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, renderTarget.texture, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, 0 );\n\n\t\t}\n\n\t\tif ( depthTexture !== undefined ) {\n\n\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t}\n\n\t}\n\n\t// Set up GL resources for the render target\n\tfunction setupRenderTarget( renderTarget ) {\n\n\t\tconst texture = renderTarget.texture;\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\tconst textureProperties = properties.get( texture );\n\n\t\trenderTarget.addEventListener( 'dispose', onRenderTargetDispose );\n\n\t\tconst textures = renderTarget.textures;\n\n\t\tconst isCube = ( renderTarget.isWebGLCubeRenderTarget === true );\n\t\tconst isMultipleRenderTargets = ( textures.length > 1 );\n\n\t\tif ( ! isMultipleRenderTargets ) {\n\n\t\t\tif ( textureProperties.__webglTexture === undefined ) {\n\n\t\t\t\ttextureProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t}\n\n\t\t\ttextureProperties.__version = texture.version;\n\t\t\tinfo.memory.textures ++;\n\n\t\t}\n\n\t\t// Setup framebuffer\n\n\t\tif ( isCube ) {\n\n\t\t\trenderTargetProperties.__webglFramebuffer = [];\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( texture.mipmaps && texture.mipmaps.length > 0 ) {\n\n\t\t\t\t\trenderTargetProperties.__webglFramebuffer[ i ] = [];\n\n\t\t\t\t\tfor ( let level = 0; level < texture.mipmaps.length; level ++ ) {\n\n\t\t\t\t\t\trenderTargetProperties.__webglFramebuffer[ i ][ level ] = _gl.createFramebuffer();\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tif ( texture.mipmaps && texture.mipmaps.length > 0 ) {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer = [];\n\n\t\t\t\tfor ( let level = 0; level < texture.mipmaps.length; level ++ ) {\n\n\t\t\t\t\trenderTargetProperties.__webglFramebuffer[ level ] = _gl.createFramebuffer();\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\trenderTargetProperties.__webglFramebuffer = _gl.createFramebuffer();\n\n\t\t\t}\n\n\t\t\tif ( isMultipleRenderTargets ) {\n\n\t\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst attachmentProperties = properties.get( textures[ i ] );\n\n\t\t\t\t\tif ( attachmentProperties.__webglTexture === undefined ) {\n\n\t\t\t\t\t\tattachmentProperties.__webglTexture = _gl.createTexture();\n\n\t\t\t\t\t\tinfo.memory.textures ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( ( renderTarget.samples > 0 ) && useMultisampledRTT( renderTarget ) === false ) {\n\n\t\t\t\trenderTargetProperties.__webglMultisampledFramebuffer = _gl.createFramebuffer();\n\t\t\t\trenderTargetProperties.__webglColorRenderbuffer = [];\n\n\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer );\n\n\t\t\t\tfor ( let i = 0; i < textures.length; i ++ ) {\n\n\t\t\t\t\tconst texture = textures[ i ];\n\t\t\t\t\trenderTargetProperties.__webglColorRenderbuffer[ i ] = _gl.createRenderbuffer();\n\n\t\t\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[ i ] );\n\n\t\t\t\t\tconst glFormat = utils.convert( texture.format, texture.colorSpace );\n\t\t\t\t\tconst glType = utils.convert( texture.type );\n\t\t\t\t\tconst glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.colorSpace, renderTarget.isXRRenderTarget === true );\n\t\t\t\t\tconst samples = getRenderTargetSamples( renderTarget );\n\t\t\t\t\t_gl.renderbufferStorageMultisample( _gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height );\n\n\t\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[ i ] );\n\n\t\t\t\t}\n\n\t\t\t\t_gl.bindRenderbuffer( _gl.RENDERBUFFER, null );\n\n\t\t\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\t\t\trenderTargetProperties.__webglDepthRenderbuffer = _gl.createRenderbuffer();\n\t\t\t\t\tsetupRenderBufferStorage( renderTargetProperties.__webglDepthRenderbuffer, renderTarget, true );\n\n\t\t\t\t}\n\n\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Setup color buffer\n\n\t\tif ( isCube ) {\n\n\t\t\tstate.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture );\n\t\t\tsetTextureParameters( _gl.TEXTURE_CUBE_MAP, texture );\n\n\t\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\t\tif ( texture.mipmaps && texture.mipmaps.length > 0 ) {\n\n\t\t\t\t\tfor ( let level = 0; level < texture.mipmaps.length; level ++ ) {\n\n\t\t\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ][ level ], renderTarget, texture, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, level );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, texture, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture ) ) {\n\n\t\t\t\tgenerateMipmap( _gl.TEXTURE_CUBE_MAP );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t} else if ( isMultipleRenderTargets ) {\n\n\t\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\t\tconst attachment = textures[ i ];\n\t\t\t\tconst attachmentProperties = properties.get( attachment );\n\n\t\t\t\tstate.bindTexture( _gl.TEXTURE_2D, attachmentProperties.__webglTexture );\n\t\t\t\tsetTextureParameters( _gl.TEXTURE_2D, attachment );\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, attachment, _gl.COLOR_ATTACHMENT0 + i, _gl.TEXTURE_2D, 0 );\n\n\t\t\t\tif ( textureNeedsGenerateMipmaps( attachment ) ) {\n\n\t\t\t\t\tgenerateMipmap( _gl.TEXTURE_2D );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t} else {\n\n\t\t\tlet glTextureType = _gl.TEXTURE_2D;\n\n\t\t\tif ( renderTarget.isWebGL3DRenderTarget || renderTarget.isWebGLArrayRenderTarget ) {\n\n\t\t\t\tglTextureType = renderTarget.isWebGL3DRenderTarget ? _gl.TEXTURE_3D : _gl.TEXTURE_2D_ARRAY;\n\n\t\t\t}\n\n\t\t\tstate.bindTexture( glTextureType, textureProperties.__webglTexture );\n\t\t\tsetTextureParameters( glTextureType, texture );\n\n\t\t\tif ( texture.mipmaps && texture.mipmaps.length > 0 ) {\n\n\t\t\t\tfor ( let level = 0; level < texture.mipmaps.length; level ++ ) {\n\n\t\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ level ], renderTarget, texture, _gl.COLOR_ATTACHMENT0, glTextureType, level );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tsetupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, texture, _gl.COLOR_ATTACHMENT0, glTextureType, 0 );\n\n\t\t\t}\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture ) ) {\n\n\t\t\t\tgenerateMipmap( glTextureType );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t}\n\n\t\t// Setup depth and stencil buffers\n\n\t\tif ( renderTarget.depthBuffer ) {\n\n\t\t\tsetupDepthRenderbuffer( renderTarget );\n\n\t\t}\n\n\t}\n\n\tfunction updateRenderTargetMipmap( renderTarget ) {\n\n\t\tconst textures = renderTarget.textures;\n\n\t\tfor ( let i = 0, il = textures.length; i < il; i ++ ) {\n\n\t\t\tconst texture = textures[ i ];\n\n\t\t\tif ( textureNeedsGenerateMipmaps( texture ) ) {\n\n\t\t\t\tconst targetType = getTargetType( renderTarget );\n\t\t\t\tconst webglTexture = properties.get( texture ).__webglTexture;\n\n\t\t\t\tstate.bindTexture( targetType, webglTexture );\n\t\t\t\tgenerateMipmap( targetType );\n\t\t\t\tstate.unbindTexture();\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tconst invalidationArrayRead = [];\n\tconst invalidationArrayDraw = [];\n\n\tfunction updateMultisampleRenderTarget( renderTarget ) {\n\n\t\tif ( renderTarget.samples > 0 ) {\n\n\t\t\tif ( useMultisampledRTT( renderTarget ) === false ) {\n\n\t\t\t\tconst textures = renderTarget.textures;\n\t\t\t\tconst width = renderTarget.width;\n\t\t\t\tconst height = renderTarget.height;\n\t\t\t\tlet mask = _gl.COLOR_BUFFER_BIT;\n\t\t\t\tconst depthStyle = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT;\n\t\t\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\t\t\tconst isMultipleRenderTargets = ( textures.length > 1 );\n\n\t\t\t\t// If MRT we need to remove FBO attachments\n\t\t\t\tif ( isMultipleRenderTargets ) {\n\n\t\t\t\t\tfor ( let i = 0; i < textures.length; i ++ ) {\n\n\t\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.RENDERBUFFER, null );\n\n\t\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer );\n\t\t\t\t\t\t_gl.framebufferTexture2D( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.TEXTURE_2D, null, 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tstate.bindFramebuffer( _gl.READ_FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, renderTargetProperties.__webglFramebuffer );\n\n\t\t\t\tfor ( let i = 0; i < textures.length; i ++ ) {\n\n\t\t\t\t\tif ( renderTarget.resolveDepthBuffer ) {\n\n\t\t\t\t\t\tif ( renderTarget.depthBuffer ) mask |= _gl.DEPTH_BUFFER_BIT;\n\n\t\t\t\t\t\t// resolving stencil is slow with a D3D backend. disable it for all transmission render targets (see #27799)\n\n\t\t\t\t\t\tif ( renderTarget.stencilBuffer && renderTarget.resolveStencilBuffer ) mask |= _gl.STENCIL_BUFFER_BIT;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( isMultipleRenderTargets ) {\n\n\t\t\t\t\t\t_gl.framebufferRenderbuffer( _gl.READ_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[ i ] );\n\n\t\t\t\t\t\tconst webglTexture = properties.get( textures[ i ] ).__webglTexture;\n\t\t\t\t\t\t_gl.framebufferTexture2D( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, webglTexture, 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_gl.blitFramebuffer( 0, 0, width, height, 0, 0, width, height, mask, _gl.NEAREST );\n\n\t\t\t\t\tif ( supportsInvalidateFramebuffer === true ) {\n\n\t\t\t\t\t\tinvalidationArrayRead.length = 0;\n\t\t\t\t\t\tinvalidationArrayDraw.length = 0;\n\n\t\t\t\t\t\tinvalidationArrayRead.push( _gl.COLOR_ATTACHMENT0 + i );\n\n\t\t\t\t\t\tif ( renderTarget.depthBuffer && renderTarget.resolveDepthBuffer === false ) {\n\n\t\t\t\t\t\t\tinvalidationArrayRead.push( depthStyle );\n\t\t\t\t\t\t\tinvalidationArrayDraw.push( depthStyle );\n\n\t\t\t\t\t\t\t_gl.invalidateFramebuffer( _gl.DRAW_FRAMEBUFFER, invalidationArrayDraw );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t_gl.invalidateFramebuffer( _gl.READ_FRAMEBUFFER, invalidationArrayRead );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tstate.bindFramebuffer( _gl.READ_FRAMEBUFFER, null );\n\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, null );\n\n\t\t\t\t// If MRT since pre-blit we removed the FBO we need to reconstruct the attachments\n\t\t\t\tif ( isMultipleRenderTargets ) {\n\n\t\t\t\t\tfor ( let i = 0; i < textures.length; i ++ ) {\n\n\t\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer );\n\t\t\t\t\t\t_gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[ i ] );\n\n\t\t\t\t\t\tconst webglTexture = properties.get( textures[ i ] ).__webglTexture;\n\n\t\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer );\n\t\t\t\t\t\t_gl.framebufferTexture2D( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.TEXTURE_2D, webglTexture, 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer );\n\n\t\t\t} else {\n\n\t\t\t\tif ( renderTarget.depthBuffer && renderTarget.resolveDepthBuffer === false && supportsInvalidateFramebuffer ) {\n\n\t\t\t\t\tconst depthStyle = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT;\n\n\t\t\t\t\t_gl.invalidateFramebuffer( _gl.DRAW_FRAMEBUFFER, [ depthStyle ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfunction getRenderTargetSamples( renderTarget ) {\n\n\t\treturn Math.min( capabilities.maxSamples, renderTarget.samples );\n\n\t}\n\n\tfunction useMultisampledRTT( renderTarget ) {\n\n\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\treturn renderTarget.samples > 0 && extensions.has( 'WEBGL_multisampled_render_to_texture' ) === true && renderTargetProperties.__useRenderToTexture !== false;\n\n\t}\n\n\tfunction updateVideoTexture( texture ) {\n\n\t\tconst frame = info.render.frame;\n\n\t\t// Check the last frame we updated the VideoTexture\n\n\t\tif ( _videoTextures.get( texture ) !== frame ) {\n\n\t\t\t_videoTextures.set( texture, frame );\n\t\t\ttexture.update();\n\n\t\t}\n\n\t}\n\n\tfunction verifyColorSpace( texture, image ) {\n\n\t\tconst colorSpace = texture.colorSpace;\n\t\tconst format = texture.format;\n\t\tconst type = texture.type;\n\n\t\tif ( texture.isCompressedTexture === true || texture.isVideoTexture === true ) return image;\n\n\t\tif ( colorSpace !== LinearSRGBColorSpace && colorSpace !== NoColorSpace ) {\n\n\t\t\t// sRGB\n\n\t\t\tif ( ColorManagement.getTransfer( colorSpace ) === SRGBTransfer ) {\n\n\t\t\t\t// in WebGL 2 uncompressed textures can only be sRGB encoded if they have the RGBA8 format\n\n\t\t\t\tif ( format !== RGBAFormat || type !== UnsignedByteType ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLTextures: sRGB encoded textures have to use RGBAFormat and UnsignedByteType.' );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( 'THREE.WebGLTextures: Unsupported texture color space:', colorSpace );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn image;\n\n\t}\n\n\tfunction getDimensions( image ) {\n\n\t\tif ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) {\n\n\t\t\t// if intrinsic data are not available, fallback to width/height\n\n\t\t\t_imageDimensions.width = image.naturalWidth || image.width;\n\t\t\t_imageDimensions.height = image.naturalHeight || image.height;\n\n\t\t} else if ( typeof VideoFrame !== 'undefined' && image instanceof VideoFrame ) {\n\n\t\t\t_imageDimensions.width = image.displayWidth;\n\t\t\t_imageDimensions.height = image.displayHeight;\n\n\t\t} else {\n\n\t\t\t_imageDimensions.width = image.width;\n\t\t\t_imageDimensions.height = image.height;\n\n\t\t}\n\n\t\treturn _imageDimensions;\n\n\t}\n\n\t//\n\n\tthis.allocateTextureUnit = allocateTextureUnit;\n\tthis.resetTextureUnits = resetTextureUnits;\n\n\tthis.setTexture2D = setTexture2D;\n\tthis.setTexture2DArray = setTexture2DArray;\n\tthis.setTexture3D = setTexture3D;\n\tthis.setTextureCube = setTextureCube;\n\tthis.rebindTextures = rebindTextures;\n\tthis.setupRenderTarget = setupRenderTarget;\n\tthis.updateRenderTargetMipmap = updateRenderTargetMipmap;\n\tthis.updateMultisampleRenderTarget = updateMultisampleRenderTarget;\n\tthis.setupDepthRenderbuffer = setupDepthRenderbuffer;\n\tthis.setupFrameBufferTexture = setupFrameBufferTexture;\n\tthis.useMultisampledRTT = useMultisampledRTT;\n\n}\n\nfunction WebGLUtils( gl, extensions ) {\n\n\tfunction convert( p, colorSpace = NoColorSpace ) {\n\n\t\tlet extension;\n\n\t\tconst transfer = ColorManagement.getTransfer( colorSpace );\n\n\t\tif ( p === UnsignedByteType ) return gl.UNSIGNED_BYTE;\n\t\tif ( p === UnsignedShort4444Type ) return gl.UNSIGNED_SHORT_4_4_4_4;\n\t\tif ( p === UnsignedShort5551Type ) return gl.UNSIGNED_SHORT_5_5_5_1;\n\t\tif ( p === UnsignedInt5999Type ) return gl.UNSIGNED_INT_5_9_9_9_REV;\n\n\t\tif ( p === ByteType ) return gl.BYTE;\n\t\tif ( p === ShortType ) return gl.SHORT;\n\t\tif ( p === UnsignedShortType ) return gl.UNSIGNED_SHORT;\n\t\tif ( p === IntType ) return gl.INT;\n\t\tif ( p === UnsignedIntType ) return gl.UNSIGNED_INT;\n\t\tif ( p === FloatType ) return gl.FLOAT;\n\t\tif ( p === HalfFloatType ) return gl.HALF_FLOAT;\n\n\t\tif ( p === AlphaFormat ) return gl.ALPHA;\n\t\tif ( p === RGBFormat ) return gl.RGB;\n\t\tif ( p === RGBAFormat ) return gl.RGBA;\n\t\tif ( p === LuminanceFormat ) return gl.LUMINANCE;\n\t\tif ( p === LuminanceAlphaFormat ) return gl.LUMINANCE_ALPHA;\n\t\tif ( p === DepthFormat ) return gl.DEPTH_COMPONENT;\n\t\tif ( p === DepthStencilFormat ) return gl.DEPTH_STENCIL;\n\n\t\t// WebGL2 formats.\n\n\t\tif ( p === RedFormat ) return gl.RED;\n\t\tif ( p === RedIntegerFormat ) return gl.RED_INTEGER;\n\t\tif ( p === RGFormat ) return gl.RG;\n\t\tif ( p === RGIntegerFormat ) return gl.RG_INTEGER;\n\t\tif ( p === RGBAIntegerFormat ) return gl.RGBA_INTEGER;\n\n\t\t// S3TC\n\n\t\tif ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format || p === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) {\n\n\t\t\tif ( transfer === SRGBTransfer ) {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_s3tc_srgb' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_SRGB_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT;\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\textension = extensions.get( 'WEBGL_compressed_texture_s3tc' );\n\n\t\t\t\tif ( extension !== null ) {\n\n\t\t\t\t\tif ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT;\n\t\t\t\t\tif ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT;\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// PVRTC\n\n\t\tif ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format || p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_pvrtc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;\n\t\t\t\tif ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;\n\t\t\t\tif ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;\n\t\t\t\tif ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// ETC\n\n\t\tif ( p === RGB_ETC1_Format || p === RGB_ETC2_Format || p === RGBA_ETC2_EAC_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_etc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGB_ETC1_Format || p === RGB_ETC2_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ETC2 : extension.COMPRESSED_RGB8_ETC2;\n\t\t\t\tif ( p === RGBA_ETC2_EAC_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC : extension.COMPRESSED_RGBA8_ETC2_EAC;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// ASTC\n\n\t\tif ( p === RGBA_ASTC_4x4_Format || p === RGBA_ASTC_5x4_Format || p === RGBA_ASTC_5x5_Format ||\n\t\t\tp === RGBA_ASTC_6x5_Format || p === RGBA_ASTC_6x6_Format || p === RGBA_ASTC_8x5_Format ||\n\t\t\tp === RGBA_ASTC_8x6_Format || p === RGBA_ASTC_8x8_Format || p === RGBA_ASTC_10x5_Format ||\n\t\t\tp === RGBA_ASTC_10x6_Format || p === RGBA_ASTC_10x8_Format || p === RGBA_ASTC_10x10_Format ||\n\t\t\tp === RGBA_ASTC_12x10_Format || p === RGBA_ASTC_12x12_Format ) {\n\n\t\t\textension = extensions.get( 'WEBGL_compressed_texture_astc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGBA_ASTC_4x4_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR : extension.COMPRESSED_RGBA_ASTC_4x4_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_5x4_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR : extension.COMPRESSED_RGBA_ASTC_5x4_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_5x5_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR : extension.COMPRESSED_RGBA_ASTC_5x5_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_6x5_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR : extension.COMPRESSED_RGBA_ASTC_6x5_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_6x6_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR : extension.COMPRESSED_RGBA_ASTC_6x6_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_8x5_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR : extension.COMPRESSED_RGBA_ASTC_8x5_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_8x6_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR : extension.COMPRESSED_RGBA_ASTC_8x6_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_8x8_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR : extension.COMPRESSED_RGBA_ASTC_8x8_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_10x5_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR : extension.COMPRESSED_RGBA_ASTC_10x5_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_10x6_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR : extension.COMPRESSED_RGBA_ASTC_10x6_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_10x8_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR : extension.COMPRESSED_RGBA_ASTC_10x8_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_10x10_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR : extension.COMPRESSED_RGBA_ASTC_10x10_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_12x10_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR : extension.COMPRESSED_RGBA_ASTC_12x10_KHR;\n\t\t\t\tif ( p === RGBA_ASTC_12x12_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR : extension.COMPRESSED_RGBA_ASTC_12x12_KHR;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// BPTC\n\n\t\tif ( p === RGBA_BPTC_Format || p === RGB_BPTC_SIGNED_Format || p === RGB_BPTC_UNSIGNED_Format ) {\n\n\t\t\textension = extensions.get( 'EXT_texture_compression_bptc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGBA_BPTC_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT : extension.COMPRESSED_RGBA_BPTC_UNORM_EXT;\n\t\t\t\tif ( p === RGB_BPTC_SIGNED_Format ) return extension.COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT;\n\t\t\t\tif ( p === RGB_BPTC_UNSIGNED_Format ) return extension.COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// RGTC\n\n\t\tif ( p === RED_RGTC1_Format || p === SIGNED_RED_RGTC1_Format || p === RED_GREEN_RGTC2_Format || p === SIGNED_RED_GREEN_RGTC2_Format ) {\n\n\t\t\textension = extensions.get( 'EXT_texture_compression_rgtc' );\n\n\t\t\tif ( extension !== null ) {\n\n\t\t\t\tif ( p === RGBA_BPTC_Format ) return extension.COMPRESSED_RED_RGTC1_EXT;\n\t\t\t\tif ( p === SIGNED_RED_RGTC1_Format ) return extension.COMPRESSED_SIGNED_RED_RGTC1_EXT;\n\t\t\t\tif ( p === RED_GREEN_RGTC2_Format ) return extension.COMPRESSED_RED_GREEN_RGTC2_EXT;\n\t\t\t\tif ( p === SIGNED_RED_GREEN_RGTC2_Format ) return extension.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT;\n\n\t\t\t} else {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tif ( p === UnsignedInt248Type ) return gl.UNSIGNED_INT_24_8;\n\n\t\t// if \"p\" can't be resolved, assume the user defines a WebGL constant as a string (fallback/workaround for packed RGB formats)\n\n\t\treturn ( gl[ p ] !== undefined ) ? gl[ p ] : null;\n\n\t}\n\n\treturn { convert: convert };\n\n}\n\nconst _occlusion_vertex = `\nvoid main() {\n\n\tgl_Position = vec4( position, 1.0 );\n\n}`;\n\nconst _occlusion_fragment = `\nuniform sampler2DArray depthColor;\nuniform float depthWidth;\nuniform float depthHeight;\n\nvoid main() {\n\n\tvec2 coord = vec2( gl_FragCoord.x / depthWidth, gl_FragCoord.y / depthHeight );\n\n\tif ( coord.x >= 1.0 ) {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x - 1.0, coord.y, 1 ) ).r;\n\n\t} else {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x, coord.y, 0 ) ).r;\n\n\t}\n\n}`;\n\nclass WebXRDepthSensing {\n\n\tconstructor() {\n\n\t\tthis.texture = null;\n\t\tthis.mesh = null;\n\n\t\tthis.depthNear = 0;\n\t\tthis.depthFar = 0;\n\n\t}\n\n\tinit( renderer, depthData, renderState ) {\n\n\t\tif ( this.texture === null ) {\n\n\t\t\tconst texture = new Texture();\n\n\t\t\tconst texProps = renderer.properties.get( texture );\n\t\t\ttexProps.__webglTexture = depthData.texture;\n\n\t\t\tif ( ( depthData.depthNear !== renderState.depthNear ) || ( depthData.depthFar !== renderState.depthFar ) ) {\n\n\t\t\t\tthis.depthNear = depthData.depthNear;\n\t\t\t\tthis.depthFar = depthData.depthFar;\n\n\t\t\t}\n\n\t\t\tthis.texture = texture;\n\n\t\t}\n\n\t}\n\n\tgetMesh( cameraXR ) {\n\n\t\tif ( this.texture !== null ) {\n\n\t\t\tif ( this.mesh === null ) {\n\n\t\t\t\tconst viewport = cameraXR.cameras[ 0 ].viewport;\n\t\t\t\tconst material = new ShaderMaterial( {\n\t\t\t\t\tvertexShader: _occlusion_vertex,\n\t\t\t\t\tfragmentShader: _occlusion_fragment,\n\t\t\t\t\tuniforms: {\n\t\t\t\t\t\tdepthColor: { value: this.texture },\n\t\t\t\t\t\tdepthWidth: { value: viewport.z },\n\t\t\t\t\t\tdepthHeight: { value: viewport.w }\n\t\t\t\t\t}\n\t\t\t\t} );\n\n\t\t\t\tthis.mesh = new Mesh( new PlaneGeometry( 20, 20 ), material );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this.mesh;\n\n\t}\n\n\treset() {\n\n\t\tthis.texture = null;\n\t\tthis.mesh = null;\n\n\t}\n\n\tgetDepthTexture() {\n\n\t\treturn this.texture;\n\n\t}\n\n}\n\nclass WebXRManager extends EventDispatcher {\n\n\tconstructor( renderer, gl ) {\n\n\t\tsuper();\n\n\t\tconst scope = this;\n\n\t\tlet session = null;\n\n\t\tlet framebufferScaleFactor = 1.0;\n\n\t\tlet referenceSpace = null;\n\t\tlet referenceSpaceType = 'local-floor';\n\t\t// Set default foveation to maximum.\n\t\tlet foveation = 1.0;\n\t\tlet customReferenceSpace = null;\n\n\t\tlet pose = null;\n\t\tlet glBinding = null;\n\t\tlet glProjLayer = null;\n\t\tlet glBaseLayer = null;\n\t\tlet xrFrame = null;\n\n\t\tconst depthSensing = new WebXRDepthSensing();\n\t\tconst attributes = gl.getContextAttributes();\n\n\t\tlet initialRenderTarget = null;\n\t\tlet newRenderTarget = null;\n\n\t\tconst controllers = [];\n\t\tconst controllerInputSources = [];\n\n\t\tconst currentSize = new Vector2();\n\t\tlet currentPixelRatio = null;\n\n\t\t//\n\n\t\tconst cameraL = new PerspectiveCamera();\n\t\tcameraL.viewport = new Vector4();\n\n\t\tconst cameraR = new PerspectiveCamera();\n\t\tcameraR.viewport = new Vector4();\n\n\t\tconst cameras = [ cameraL, cameraR ];\n\n\t\tconst cameraXR = new ArrayCamera();\n\n\t\tlet _currentDepthNear = null;\n\t\tlet _currentDepthFar = null;\n\n\t\t//\n\n\t\tthis.cameraAutoUpdate = true;\n\t\tthis.enabled = false;\n\n\t\tthis.isPresenting = false;\n\n\t\tthis.getController = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getTargetRaySpace();\n\n\t\t};\n\n\t\tthis.getControllerGrip = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getGripSpace();\n\n\t\t};\n\n\t\tthis.getHand = function ( index ) {\n\n\t\t\tlet controller = controllers[ index ];\n\n\t\t\tif ( controller === undefined ) {\n\n\t\t\t\tcontroller = new WebXRController();\n\t\t\t\tcontrollers[ index ] = controller;\n\n\t\t\t}\n\n\t\t\treturn controller.getHandSpace();\n\n\t\t};\n\n\t\t//\n\n\t\tfunction onSessionEvent( event ) {\n\n\t\t\tconst controllerIndex = controllerInputSources.indexOf( event.inputSource );\n\n\t\t\tif ( controllerIndex === - 1 ) {\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tconst controller = controllers[ controllerIndex ];\n\n\t\t\tif ( controller !== undefined ) {\n\n\t\t\t\tcontroller.update( event.inputSource, event.frame, customReferenceSpace || referenceSpace );\n\t\t\t\tcontroller.dispatchEvent( { type: event.type, data: event.inputSource } );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction onSessionEnd() {\n\n\t\t\tsession.removeEventListener( 'select', onSessionEvent );\n\t\t\tsession.removeEventListener( 'selectstart', onSessionEvent );\n\t\t\tsession.removeEventListener( 'selectend', onSessionEvent );\n\t\t\tsession.removeEventListener( 'squeeze', onSessionEvent );\n\t\t\tsession.removeEventListener( 'squeezestart', onSessionEvent );\n\t\t\tsession.removeEventListener( 'squeezeend', onSessionEvent );\n\t\t\tsession.removeEventListener( 'end', onSessionEnd );\n\t\t\tsession.removeEventListener( 'inputsourceschange', onInputSourcesChange );\n\n\t\t\tfor ( let i = 0; i < controllers.length; i ++ ) {\n\n\t\t\t\tconst inputSource = controllerInputSources[ i ];\n\n\t\t\t\tif ( inputSource === null ) continue;\n\n\t\t\t\tcontrollerInputSources[ i ] = null;\n\n\t\t\t\tcontrollers[ i ].disconnect( inputSource );\n\n\t\t\t}\n\n\t\t\t_currentDepthNear = null;\n\t\t\t_currentDepthFar = null;\n\n\t\t\tdepthSensing.reset();\n\n\t\t\t// restore framebuffer/rendering state\n\n\t\t\trenderer.setRenderTarget( initialRenderTarget );\n\n\t\t\tglBaseLayer = null;\n\t\t\tglProjLayer = null;\n\t\t\tglBinding = null;\n\t\t\tsession = null;\n\t\t\tnewRenderTarget = null;\n\n\t\t\t//\n\n\t\t\tanimation.stop();\n\n\t\t\tscope.isPresenting = false;\n\n\t\t\trenderer.setPixelRatio( currentPixelRatio );\n\t\t\trenderer.setSize( currentSize.width, currentSize.height, false );\n\n\t\t\tscope.dispatchEvent( { type: 'sessionend' } );\n\n\t\t}\n\n\t\tthis.setFramebufferScaleFactor = function ( value ) {\n\n\t\t\tframebufferScaleFactor = value;\n\n\t\t\tif ( scope.isPresenting === true ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebXRManager: Cannot change framebuffer scale while presenting.' );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.setReferenceSpaceType = function ( value ) {\n\n\t\t\treferenceSpaceType = value;\n\n\t\t\tif ( scope.isPresenting === true ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebXRManager: Cannot change reference space type while presenting.' );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getReferenceSpace = function () {\n\n\t\t\treturn customReferenceSpace || referenceSpace;\n\n\t\t};\n\n\t\tthis.setReferenceSpace = function ( space ) {\n\n\t\t\tcustomReferenceSpace = space;\n\n\t\t};\n\n\t\tthis.getBaseLayer = function () {\n\n\t\t\treturn glProjLayer !== null ? glProjLayer : glBaseLayer;\n\n\t\t};\n\n\t\tthis.getBinding = function () {\n\n\t\t\treturn glBinding;\n\n\t\t};\n\n\t\tthis.getFrame = function () {\n\n\t\t\treturn xrFrame;\n\n\t\t};\n\n\t\tthis.getSession = function () {\n\n\t\t\treturn session;\n\n\t\t};\n\n\t\tthis.setSession = async function ( value ) {\n\n\t\t\tsession = value;\n\n\t\t\tif ( session !== null ) {\n\n\t\t\t\tinitialRenderTarget = renderer.getRenderTarget();\n\n\t\t\t\tsession.addEventListener( 'select', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'selectstart', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'selectend', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeeze', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeezestart', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'squeezeend', onSessionEvent );\n\t\t\t\tsession.addEventListener( 'end', onSessionEnd );\n\t\t\t\tsession.addEventListener( 'inputsourceschange', onInputSourcesChange );\n\n\t\t\t\tif ( attributes.xrCompatible !== true ) {\n\n\t\t\t\t\tawait gl.makeXRCompatible();\n\n\t\t\t\t}\n\n\t\t\t\tcurrentPixelRatio = renderer.getPixelRatio();\n\t\t\t\trenderer.getSize( currentSize );\n\n\t\t\t\t// Check that the browser implements the necessary APIs to use an\n\t\t\t\t// XRProjectionLayer rather than an XRWebGLLayer\n\t\t\t\tconst useLayers = typeof XRWebGLBinding !== 'undefined' && 'createProjectionLayer' in XRWebGLBinding.prototype;\n\n\t\t\t\tif ( ! useLayers ) {\n\n\t\t\t\t\tconst layerInit = {\n\t\t\t\t\t\tantialias: attributes.antialias,\n\t\t\t\t\t\talpha: true,\n\t\t\t\t\t\tdepth: attributes.depth,\n\t\t\t\t\t\tstencil: attributes.stencil,\n\t\t\t\t\t\tframebufferScaleFactor: framebufferScaleFactor\n\t\t\t\t\t};\n\n\t\t\t\t\tglBaseLayer = new XRWebGLLayer( session, gl, layerInit );\n\n\t\t\t\t\tsession.updateRenderState( { baseLayer: glBaseLayer } );\n\n\t\t\t\t\trenderer.setPixelRatio( 1 );\n\t\t\t\t\trenderer.setSize( glBaseLayer.framebufferWidth, glBaseLayer.framebufferHeight, false );\n\n\t\t\t\t\tnewRenderTarget = new WebGLRenderTarget(\n\t\t\t\t\t\tglBaseLayer.framebufferWidth,\n\t\t\t\t\t\tglBaseLayer.framebufferHeight,\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tformat: RGBAFormat,\n\t\t\t\t\t\t\ttype: UnsignedByteType,\n\t\t\t\t\t\t\tcolorSpace: renderer.outputColorSpace,\n\t\t\t\t\t\t\tstencilBuffer: attributes.stencil\n\t\t\t\t\t\t}\n\t\t\t\t\t);\n\n\t\t\t\t} else {\n\n\t\t\t\t\tlet depthFormat = null;\n\t\t\t\t\tlet depthType = null;\n\t\t\t\t\tlet glDepthFormat = null;\n\n\t\t\t\t\tif ( attributes.depth ) {\n\n\t\t\t\t\t\tglDepthFormat = attributes.stencil ? gl.DEPTH24_STENCIL8 : gl.DEPTH_COMPONENT24;\n\t\t\t\t\t\tdepthFormat = attributes.stencil ? DepthStencilFormat : DepthFormat;\n\t\t\t\t\t\tdepthType = attributes.stencil ? UnsignedInt248Type : UnsignedIntType;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst projectionlayerInit = {\n\t\t\t\t\t\tcolorFormat: gl.RGBA8,\n\t\t\t\t\t\tdepthFormat: glDepthFormat,\n\t\t\t\t\t\tscaleFactor: framebufferScaleFactor\n\t\t\t\t\t};\n\n\t\t\t\t\tglBinding = new XRWebGLBinding( session, gl );\n\n\t\t\t\t\tglProjLayer = glBinding.createProjectionLayer( projectionlayerInit );\n\n\t\t\t\t\tsession.updateRenderState( { layers: [ glProjLayer ] } );\n\n\t\t\t\t\trenderer.setPixelRatio( 1 );\n\t\t\t\t\trenderer.setSize( glProjLayer.textureWidth, glProjLayer.textureHeight, false );\n\n\t\t\t\t\tnewRenderTarget = new WebGLRenderTarget(\n\t\t\t\t\t\tglProjLayer.textureWidth,\n\t\t\t\t\t\tglProjLayer.textureHeight,\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tformat: RGBAFormat,\n\t\t\t\t\t\t\ttype: UnsignedByteType,\n\t\t\t\t\t\t\tdepthTexture: new DepthTexture( glProjLayer.textureWidth, glProjLayer.textureHeight, depthType, undefined, undefined, undefined, undefined, undefined, undefined, depthFormat ),\n\t\t\t\t\t\t\tstencilBuffer: attributes.stencil,\n\t\t\t\t\t\t\tcolorSpace: renderer.outputColorSpace,\n\t\t\t\t\t\t\tsamples: attributes.antialias ? 4 : 0,\n\t\t\t\t\t\t\tresolveDepthBuffer: ( glProjLayer.ignoreDepthValues === false )\n\t\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t\tnewRenderTarget.isXRRenderTarget = true; // TODO Remove this when possible, see #23278\n\n\t\t\t\tthis.setFoveation( foveation );\n\n\t\t\t\tcustomReferenceSpace = null;\n\t\t\t\treferenceSpace = await session.requestReferenceSpace( referenceSpaceType );\n\n\t\t\t\tanimation.setContext( session );\n\t\t\t\tanimation.start();\n\n\t\t\t\tscope.isPresenting = true;\n\n\t\t\t\tscope.dispatchEvent( { type: 'sessionstart' } );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getEnvironmentBlendMode = function () {\n\n\t\t\tif ( session !== null ) {\n\n\t\t\t\treturn session.environmentBlendMode;\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.getDepthTexture = function () {\n\n\t\t\treturn depthSensing.getDepthTexture();\n\n\t\t};\n\n\t\tfunction onInputSourcesChange( event ) {\n\n\t\t\t// Notify disconnected\n\n\t\t\tfor ( let i = 0; i < event.removed.length; i ++ ) {\n\n\t\t\t\tconst inputSource = event.removed[ i ];\n\t\t\t\tconst index = controllerInputSources.indexOf( inputSource );\n\n\t\t\t\tif ( index >= 0 ) {\n\n\t\t\t\t\tcontrollerInputSources[ index ] = null;\n\t\t\t\t\tcontrollers[ index ].disconnect( inputSource );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Notify connected\n\n\t\t\tfor ( let i = 0; i < event.added.length; i ++ ) {\n\n\t\t\t\tconst inputSource = event.added[ i ];\n\n\t\t\t\tlet controllerIndex = controllerInputSources.indexOf( inputSource );\n\n\t\t\t\tif ( controllerIndex === - 1 ) {\n\n\t\t\t\t\t// Assign input source a controller that currently has no input source\n\n\t\t\t\t\tfor ( let i = 0; i < controllers.length; i ++ ) {\n\n\t\t\t\t\t\tif ( i >= controllerInputSources.length ) {\n\n\t\t\t\t\t\t\tcontrollerInputSources.push( inputSource );\n\t\t\t\t\t\t\tcontrollerIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t} else if ( controllerInputSources[ i ] === null ) {\n\n\t\t\t\t\t\t\tcontrollerInputSources[ i ] = inputSource;\n\t\t\t\t\t\t\tcontrollerIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// If all controllers do currently receive input we ignore new ones\n\n\t\t\t\t\tif ( controllerIndex === - 1 ) break;\n\n\t\t\t\t}\n\n\t\t\t\tconst controller = controllers[ controllerIndex ];\n\n\t\t\t\tif ( controller ) {\n\n\t\t\t\t\tcontroller.connect( inputSource );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tconst cameraLPos = new Vector3();\n\t\tconst cameraRPos = new Vector3();\n\n\t\t/**\n\t\t * Assumes 2 cameras that are parallel and share an X-axis, and that\n\t\t * the cameras' projection and world matrices have already been set.\n\t\t * And that near and far planes are identical for both cameras.\n\t\t * Visualization of this technique: https://computergraphics.stackexchange.com/a/4765\n\t\t *\n\t\t * @param {ArrayCamera} camera - The camera to update.\n\t\t * @param {PerspectiveCamera} cameraL - The left camera.\n\t\t * @param {PerspectiveCamera} cameraR - The right camera.\n\t\t */\n\t\tfunction setProjectionFromUnion( camera, cameraL, cameraR ) {\n\n\t\t\tcameraLPos.setFromMatrixPosition( cameraL.matrixWorld );\n\t\t\tcameraRPos.setFromMatrixPosition( cameraR.matrixWorld );\n\n\t\t\tconst ipd = cameraLPos.distanceTo( cameraRPos );\n\n\t\t\tconst projL = cameraL.projectionMatrix.elements;\n\t\t\tconst projR = cameraR.projectionMatrix.elements;\n\n\t\t\t// VR systems will have identical far and near planes, and\n\t\t\t// most likely identical top and bottom frustum extents.\n\t\t\t// Use the left camera for these values.\n\t\t\tconst near = projL[ 14 ] / ( projL[ 10 ] - 1 );\n\t\t\tconst far = projL[ 14 ] / ( projL[ 10 ] + 1 );\n\t\t\tconst topFov = ( projL[ 9 ] + 1 ) / projL[ 5 ];\n\t\t\tconst bottomFov = ( projL[ 9 ] - 1 ) / projL[ 5 ];\n\n\t\t\tconst leftFov = ( projL[ 8 ] - 1 ) / projL[ 0 ];\n\t\t\tconst rightFov = ( projR[ 8 ] + 1 ) / projR[ 0 ];\n\t\t\tconst left = near * leftFov;\n\t\t\tconst right = near * rightFov;\n\n\t\t\t// Calculate the new camera's position offset from the\n\t\t\t// left camera. xOffset should be roughly half `ipd`.\n\t\t\tconst zOffset = ipd / ( - leftFov + rightFov );\n\t\t\tconst xOffset = zOffset * - leftFov;\n\n\t\t\t// TODO: Better way to apply this offset?\n\t\t\tcameraL.matrixWorld.decompose( camera.position, camera.quaternion, camera.scale );\n\t\t\tcamera.translateX( xOffset );\n\t\t\tcamera.translateZ( zOffset );\n\t\t\tcamera.matrixWorld.compose( camera.position, camera.quaternion, camera.scale );\n\t\t\tcamera.matrixWorldInverse.copy( camera.matrixWorld ).invert();\n\n\t\t\t// Check if the projection uses an infinite far plane.\n\t\t\tif ( projL[ 10 ] === - 1.0 ) {\n\n\t\t\t\t// Use the projection matrix from the left eye.\n\t\t\t\t// The camera offset is sufficient to include the view volumes\n\t\t\t\t// of both eyes (assuming symmetric projections).\n\t\t\t\tcamera.projectionMatrix.copy( cameraL.projectionMatrix );\n\t\t\t\tcamera.projectionMatrixInverse.copy( cameraL.projectionMatrixInverse );\n\n\t\t\t} else {\n\n\t\t\t\t// Find the union of the frustum values of the cameras and scale\n\t\t\t\t// the values so that the near plane's position does not change in world space,\n\t\t\t\t// although must now be relative to the new union camera.\n\t\t\t\tconst near2 = near + zOffset;\n\t\t\t\tconst far2 = far + zOffset;\n\t\t\t\tconst left2 = left - xOffset;\n\t\t\t\tconst right2 = right + ( ipd - xOffset );\n\t\t\t\tconst top2 = topFov * far / far2 * near2;\n\t\t\t\tconst bottom2 = bottomFov * far / far2 * near2;\n\n\t\t\t\tcamera.projectionMatrix.makePerspective( left2, right2, top2, bottom2, near2, far2 );\n\t\t\t\tcamera.projectionMatrixInverse.copy( camera.projectionMatrix ).invert();\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction updateCamera( camera, parent ) {\n\n\t\t\tif ( parent === null ) {\n\n\t\t\t\tcamera.matrixWorld.copy( camera.matrix );\n\n\t\t\t} else {\n\n\t\t\t\tcamera.matrixWorld.multiplyMatrices( parent.matrixWorld, camera.matrix );\n\n\t\t\t}\n\n\t\t\tcamera.matrixWorldInverse.copy( camera.matrixWorld ).invert();\n\n\t\t}\n\n\t\tthis.updateCamera = function ( camera ) {\n\n\t\t\tif ( session === null ) return;\n\n\t\t\tlet depthNear = camera.near;\n\t\t\tlet depthFar = camera.far;\n\n\t\t\tif ( depthSensing.texture !== null ) {\n\n\t\t\t\tif ( depthSensing.depthNear > 0 ) depthNear = depthSensing.depthNear;\n\t\t\t\tif ( depthSensing.depthFar > 0 ) depthFar = depthSensing.depthFar;\n\n\t\t\t}\n\n\t\t\tcameraXR.near = cameraR.near = cameraL.near = depthNear;\n\t\t\tcameraXR.far = cameraR.far = cameraL.far = depthFar;\n\n\t\t\tif ( _currentDepthNear !== cameraXR.near || _currentDepthFar !== cameraXR.far ) {\n\n\t\t\t\t// Note that the new renderState won't apply until the next frame. See #18320\n\n\t\t\t\tsession.updateRenderState( {\n\t\t\t\t\tdepthNear: cameraXR.near,\n\t\t\t\t\tdepthFar: cameraXR.far\n\t\t\t\t} );\n\n\t\t\t\t_currentDepthNear = cameraXR.near;\n\t\t\t\t_currentDepthFar = cameraXR.far;\n\n\t\t\t}\n\n\t\t\tcameraL.layers.mask = camera.layers.mask | 0b010;\n\t\t\tcameraR.layers.mask = camera.layers.mask | 0b100;\n\t\t\tcameraXR.layers.mask = cameraL.layers.mask | cameraR.layers.mask;\n\n\t\t\tconst parent = camera.parent;\n\t\t\tconst cameras = cameraXR.cameras;\n\n\t\t\tupdateCamera( cameraXR, parent );\n\n\t\t\tfor ( let i = 0; i < cameras.length; i ++ ) {\n\n\t\t\t\tupdateCamera( cameras[ i ], parent );\n\n\t\t\t}\n\n\t\t\t// update projection matrix for proper view frustum culling\n\n\t\t\tif ( cameras.length === 2 ) {\n\n\t\t\t\tsetProjectionFromUnion( cameraXR, cameraL, cameraR );\n\n\t\t\t} else {\n\n\t\t\t\t// assume single camera setup (AR)\n\n\t\t\t\tcameraXR.projectionMatrix.copy( cameraL.projectionMatrix );\n\n\t\t\t}\n\n\t\t\t// update user camera and its children\n\n\t\t\tupdateUserCamera( camera, cameraXR, parent );\n\n\t\t};\n\n\t\tfunction updateUserCamera( camera, cameraXR, parent ) {\n\n\t\t\tif ( parent === null ) {\n\n\t\t\t\tcamera.matrix.copy( cameraXR.matrixWorld );\n\n\t\t\t} else {\n\n\t\t\t\tcamera.matrix.copy( parent.matrixWorld );\n\t\t\t\tcamera.matrix.invert();\n\t\t\t\tcamera.matrix.multiply( cameraXR.matrixWorld );\n\n\t\t\t}\n\n\t\t\tcamera.matrix.decompose( camera.position, camera.quaternion, camera.scale );\n\t\t\tcamera.updateMatrixWorld( true );\n\n\t\t\tcamera.projectionMatrix.copy( cameraXR.projectionMatrix );\n\t\t\tcamera.projectionMatrixInverse.copy( cameraXR.projectionMatrixInverse );\n\n\t\t\tif ( camera.isPerspectiveCamera ) {\n\n\t\t\t\tcamera.fov = RAD2DEG * 2 * Math.atan( 1 / camera.projectionMatrix.elements[ 5 ] );\n\t\t\t\tcamera.zoom = 1;\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.getCamera = function () {\n\n\t\t\treturn cameraXR;\n\n\t\t};\n\n\t\tthis.getFoveation = function () {\n\n\t\t\tif ( glProjLayer === null && glBaseLayer === null ) {\n\n\t\t\t\treturn undefined;\n\n\t\t\t}\n\n\t\t\treturn foveation;\n\n\t\t};\n\n\t\tthis.setFoveation = function ( value ) {\n\n\t\t\t// 0 = no foveation = full resolution\n\t\t\t// 1 = maximum foveation = the edges render at lower resolution\n\n\t\t\tfoveation = value;\n\n\t\t\tif ( glProjLayer !== null ) {\n\n\t\t\t\tglProjLayer.fixedFoveation = value;\n\n\t\t\t}\n\n\t\t\tif ( glBaseLayer !== null && glBaseLayer.fixedFoveation !== undefined ) {\n\n\t\t\t\tglBaseLayer.fixedFoveation = value;\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.hasDepthSensing = function () {\n\n\t\t\treturn depthSensing.texture !== null;\n\n\t\t};\n\n\t\tthis.getDepthSensingMesh = function () {\n\n\t\t\treturn depthSensing.getMesh( cameraXR );\n\n\t\t};\n\n\t\t// Animation Loop\n\n\t\tlet onAnimationFrameCallback = null;\n\n\t\tfunction onAnimationFrame( time, frame ) {\n\n\t\t\tpose = frame.getViewerPose( customReferenceSpace || referenceSpace );\n\t\t\txrFrame = frame;\n\n\t\t\tif ( pose !== null ) {\n\n\t\t\t\tconst views = pose.views;\n\n\t\t\t\tif ( glBaseLayer !== null ) {\n\n\t\t\t\t\trenderer.setRenderTargetFramebuffer( newRenderTarget, glBaseLayer.framebuffer );\n\t\t\t\t\trenderer.setRenderTarget( newRenderTarget );\n\n\t\t\t\t}\n\n\t\t\t\tlet cameraXRNeedsUpdate = false;\n\n\t\t\t\t// check if it's necessary to rebuild cameraXR's camera list\n\n\t\t\t\tif ( views.length !== cameraXR.cameras.length ) {\n\n\t\t\t\t\tcameraXR.cameras.length = 0;\n\t\t\t\t\tcameraXRNeedsUpdate = true;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0; i < views.length; i ++ ) {\n\n\t\t\t\t\tconst view = views[ i ];\n\n\t\t\t\t\tlet viewport = null;\n\n\t\t\t\t\tif ( glBaseLayer !== null ) {\n\n\t\t\t\t\t\tviewport = glBaseLayer.getViewport( view );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst glSubImage = glBinding.getViewSubImage( glProjLayer, view );\n\t\t\t\t\t\tviewport = glSubImage.viewport;\n\n\t\t\t\t\t\t// For side-by-side projection, we only produce a single texture for both eyes.\n\t\t\t\t\t\tif ( i === 0 ) {\n\n\t\t\t\t\t\t\trenderer.setRenderTargetTextures(\n\t\t\t\t\t\t\t\tnewRenderTarget,\n\t\t\t\t\t\t\t\tglSubImage.colorTexture,\n\t\t\t\t\t\t\t\tglProjLayer.ignoreDepthValues ? undefined : glSubImage.depthStencilTexture );\n\n\t\t\t\t\t\t\trenderer.setRenderTarget( newRenderTarget );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tlet camera = cameras[ i ];\n\n\t\t\t\t\tif ( camera === undefined ) {\n\n\t\t\t\t\t\tcamera = new PerspectiveCamera();\n\t\t\t\t\t\tcamera.layers.enable( i );\n\t\t\t\t\t\tcamera.viewport = new Vector4();\n\t\t\t\t\t\tcameras[ i ] = camera;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcamera.matrix.fromArray( view.transform.matrix );\n\t\t\t\t\tcamera.matrix.decompose( camera.position, camera.quaternion, camera.scale );\n\t\t\t\t\tcamera.projectionMatrix.fromArray( view.projectionMatrix );\n\t\t\t\t\tcamera.projectionMatrixInverse.copy( camera.projectionMatrix ).invert();\n\t\t\t\t\tcamera.viewport.set( viewport.x, viewport.y, viewport.width, viewport.height );\n\n\t\t\t\t\tif ( i === 0 ) {\n\n\t\t\t\t\t\tcameraXR.matrix.copy( camera.matrix );\n\t\t\t\t\t\tcameraXR.matrix.decompose( cameraXR.position, cameraXR.quaternion, cameraXR.scale );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( cameraXRNeedsUpdate === true ) {\n\n\t\t\t\t\t\tcameraXR.cameras.push( camera );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t//\n\n\t\t\t\tconst enabledFeatures = session.enabledFeatures;\n\t\t\t\tconst gpuDepthSensingEnabled = enabledFeatures &&\n\t\t\t\t\tenabledFeatures.includes( 'depth-sensing' ) &&\n\t\t\t\t\tsession.depthUsage == 'gpu-optimized';\n\n\t\t\t\tif ( gpuDepthSensingEnabled && glBinding ) {\n\n\t\t\t\t\tconst depthData = glBinding.getDepthInformation( views[ 0 ] );\n\n\t\t\t\t\tif ( depthData && depthData.isValid && depthData.texture ) {\n\n\t\t\t\t\t\tdepthSensing.init( renderer, depthData, session.renderState );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tfor ( let i = 0; i < controllers.length; i ++ ) {\n\n\t\t\t\tconst inputSource = controllerInputSources[ i ];\n\t\t\t\tconst controller = controllers[ i ];\n\n\t\t\t\tif ( inputSource !== null && controller !== undefined ) {\n\n\t\t\t\t\tcontroller.update( inputSource, frame, customReferenceSpace || referenceSpace );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( onAnimationFrameCallback ) onAnimationFrameCallback( time, frame );\n\n\t\t\tif ( frame.detectedPlanes ) {\n\n\t\t\t\tscope.dispatchEvent( { type: 'planesdetected', data: frame } );\n\n\t\t\t}\n\n\t\t\txrFrame = null;\n\n\t\t}\n\n\t\tconst animation = new WebGLAnimation();\n\n\t\tanimation.setAnimationLoop( onAnimationFrame );\n\n\t\tthis.setAnimationLoop = function ( callback ) {\n\n\t\t\tonAnimationFrameCallback = callback;\n\n\t\t};\n\n\t\tthis.dispose = function () {};\n\n\t}\n\n}\n\nconst _e1 = /*@__PURE__*/ new Euler();\nconst _m1 = /*@__PURE__*/ new Matrix4();\n\nfunction WebGLMaterials( renderer, properties ) {\n\n\tfunction refreshTransformUniform( map, uniform ) {\n\n\t\tif ( map.matrixAutoUpdate === true ) {\n\n\t\t\tmap.updateMatrix();\n\n\t\t}\n\n\t\tuniform.value.copy( map.matrix );\n\n\t}\n\n\tfunction refreshFogUniforms( uniforms, fog ) {\n\n\t\tfog.color.getRGB( uniforms.fogColor.value, getUnlitUniformColorSpace( renderer ) );\n\n\t\tif ( fog.isFog ) {\n\n\t\t\tuniforms.fogNear.value = fog.near;\n\t\t\tuniforms.fogFar.value = fog.far;\n\n\t\t} else if ( fog.isFogExp2 ) {\n\n\t\t\tuniforms.fogDensity.value = fog.density;\n\n\t\t}\n\n\t}\n\n\tfunction refreshMaterialUniforms( uniforms, material, pixelRatio, height, transmissionRenderTarget ) {\n\n\t\tif ( material.isMeshBasicMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t} else if ( material.isMeshLambertMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t} else if ( material.isMeshToonMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsToon( uniforms, material );\n\n\t\t} else if ( material.isMeshPhongMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsPhong( uniforms, material );\n\n\t\t} else if ( material.isMeshStandardMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsStandard( uniforms, material );\n\n\t\t\tif ( material.isMeshPhysicalMaterial ) {\n\n\t\t\t\trefreshUniformsPhysical( uniforms, material, transmissionRenderTarget );\n\n\t\t\t}\n\n\t\t} else if ( material.isMeshMatcapMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsMatcap( uniforms, material );\n\n\t\t} else if ( material.isMeshDepthMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t} else if ( material.isMeshDistanceMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\t\t\trefreshUniformsDistance( uniforms, material );\n\n\t\t} else if ( material.isMeshNormalMaterial ) {\n\n\t\t\trefreshUniformsCommon( uniforms, material );\n\n\t\t} else if ( material.isLineBasicMaterial ) {\n\n\t\t\trefreshUniformsLine( uniforms, material );\n\n\t\t\tif ( material.isLineDashedMaterial ) {\n\n\t\t\t\trefreshUniformsDash( uniforms, material );\n\n\t\t\t}\n\n\t\t} else if ( material.isPointsMaterial ) {\n\n\t\t\trefreshUniformsPoints( uniforms, material, pixelRatio, height );\n\n\t\t} else if ( material.isSpriteMaterial ) {\n\n\t\t\trefreshUniformsSprites( uniforms, material );\n\n\t\t} else if ( material.isShadowMaterial ) {\n\n\t\t\tuniforms.color.value.copy( material.color );\n\t\t\tuniforms.opacity.value = material.opacity;\n\n\t\t} else if ( material.isShaderMaterial ) {\n\n\t\t\tmaterial.uniformsNeedUpdate = false; // #15581\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsCommon( uniforms, material ) {\n\n\t\tuniforms.opacity.value = material.opacity;\n\n\t\tif ( material.color ) {\n\n\t\t\tuniforms.diffuse.value.copy( material.color );\n\n\t\t}\n\n\t\tif ( material.emissive ) {\n\n\t\t\tuniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity );\n\n\t\t}\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t\trefreshTransformUniform( material.map, uniforms.mapTransform );\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t\trefreshTransformUniform( material.alphaMap, uniforms.alphaMapTransform );\n\n\t\t}\n\n\t\tif ( material.bumpMap ) {\n\n\t\t\tuniforms.bumpMap.value = material.bumpMap;\n\n\t\t\trefreshTransformUniform( material.bumpMap, uniforms.bumpMapTransform );\n\n\t\t\tuniforms.bumpScale.value = material.bumpScale;\n\n\t\t\tif ( material.side === BackSide ) {\n\n\t\t\t\tuniforms.bumpScale.value *= - 1;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.normalMap ) {\n\n\t\t\tuniforms.normalMap.value = material.normalMap;\n\n\t\t\trefreshTransformUniform( material.normalMap, uniforms.normalMapTransform );\n\n\t\t\tuniforms.normalScale.value.copy( material.normalScale );\n\n\t\t\tif ( material.side === BackSide ) {\n\n\t\t\t\tuniforms.normalScale.value.negate();\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.displacementMap ) {\n\n\t\t\tuniforms.displacementMap.value = material.displacementMap;\n\n\t\t\trefreshTransformUniform( material.displacementMap, uniforms.displacementMapTransform );\n\n\t\t\tuniforms.displacementScale.value = material.displacementScale;\n\t\t\tuniforms.displacementBias.value = material.displacementBias;\n\n\t\t}\n\n\t\tif ( material.emissiveMap ) {\n\n\t\t\tuniforms.emissiveMap.value = material.emissiveMap;\n\n\t\t\trefreshTransformUniform( material.emissiveMap, uniforms.emissiveMapTransform );\n\n\t\t}\n\n\t\tif ( material.specularMap ) {\n\n\t\t\tuniforms.specularMap.value = material.specularMap;\n\n\t\t\trefreshTransformUniform( material.specularMap, uniforms.specularMapTransform );\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t\tconst materialProperties = properties.get( material );\n\n\t\tconst envMap = materialProperties.envMap;\n\t\tconst envMapRotation = materialProperties.envMapRotation;\n\n\t\tif ( envMap ) {\n\n\t\t\tuniforms.envMap.value = envMap;\n\n\t\t\t_e1.copy( envMapRotation );\n\n\t\t\t// accommodate left-handed frame\n\t\t\t_e1.x *= - 1; _e1.y *= - 1; _e1.z *= - 1;\n\n\t\t\tif ( envMap.isCubeTexture && envMap.isRenderTargetTexture === false ) {\n\n\t\t\t\t// environment maps which are not cube render targets or PMREMs follow a different convention\n\t\t\t\t_e1.y *= - 1;\n\t\t\t\t_e1.z *= - 1;\n\n\t\t\t}\n\n\t\t\tuniforms.envMapRotation.value.setFromMatrix4( _m1.makeRotationFromEuler( _e1 ) );\n\n\t\t\tuniforms.flipEnvMap.value = ( envMap.isCubeTexture && envMap.isRenderTargetTexture === false ) ? - 1 : 1;\n\n\t\t\tuniforms.reflectivity.value = material.reflectivity;\n\t\t\tuniforms.ior.value = material.ior;\n\t\t\tuniforms.refractionRatio.value = material.refractionRatio;\n\n\t\t}\n\n\t\tif ( material.lightMap ) {\n\n\t\t\tuniforms.lightMap.value = material.lightMap;\n\t\t\tuniforms.lightMapIntensity.value = material.lightMapIntensity;\n\n\t\t\trefreshTransformUniform( material.lightMap, uniforms.lightMapTransform );\n\n\t\t}\n\n\t\tif ( material.aoMap ) {\n\n\t\t\tuniforms.aoMap.value = material.aoMap;\n\t\t\tuniforms.aoMapIntensity.value = material.aoMapIntensity;\n\n\t\t\trefreshTransformUniform( material.aoMap, uniforms.aoMapTransform );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsLine( uniforms, material ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t\trefreshTransformUniform( material.map, uniforms.mapTransform );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsDash( uniforms, material ) {\n\n\t\tuniforms.dashSize.value = material.dashSize;\n\t\tuniforms.totalSize.value = material.dashSize + material.gapSize;\n\t\tuniforms.scale.value = material.scale;\n\n\t}\n\n\tfunction refreshUniformsPoints( uniforms, material, pixelRatio, height ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\t\tuniforms.size.value = material.size * pixelRatio;\n\t\tuniforms.scale.value = height * 0.5;\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t\trefreshTransformUniform( material.map, uniforms.uvTransform );\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t\trefreshTransformUniform( material.alphaMap, uniforms.alphaMapTransform );\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsSprites( uniforms, material ) {\n\n\t\tuniforms.diffuse.value.copy( material.color );\n\t\tuniforms.opacity.value = material.opacity;\n\t\tuniforms.rotation.value = material.rotation;\n\n\t\tif ( material.map ) {\n\n\t\t\tuniforms.map.value = material.map;\n\n\t\t\trefreshTransformUniform( material.map, uniforms.mapTransform );\n\n\t\t}\n\n\t\tif ( material.alphaMap ) {\n\n\t\t\tuniforms.alphaMap.value = material.alphaMap;\n\n\t\t\trefreshTransformUniform( material.alphaMap, uniforms.alphaMapTransform );\n\n\t\t}\n\n\t\tif ( material.alphaTest > 0 ) {\n\n\t\t\tuniforms.alphaTest.value = material.alphaTest;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsPhong( uniforms, material ) {\n\n\t\tuniforms.specular.value.copy( material.specular );\n\t\tuniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 )\n\n\t}\n\n\tfunction refreshUniformsToon( uniforms, material ) {\n\n\t\tif ( material.gradientMap ) {\n\n\t\t\tuniforms.gradientMap.value = material.gradientMap;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsStandard( uniforms, material ) {\n\n\t\tuniforms.metalness.value = material.metalness;\n\n\t\tif ( material.metalnessMap ) {\n\n\t\t\tuniforms.metalnessMap.value = material.metalnessMap;\n\n\t\t\trefreshTransformUniform( material.metalnessMap, uniforms.metalnessMapTransform );\n\n\t\t}\n\n\t\tuniforms.roughness.value = material.roughness;\n\n\t\tif ( material.roughnessMap ) {\n\n\t\t\tuniforms.roughnessMap.value = material.roughnessMap;\n\n\t\t\trefreshTransformUniform( material.roughnessMap, uniforms.roughnessMapTransform );\n\n\t\t}\n\n\t\tif ( material.envMap ) {\n\n\t\t\t//uniforms.envMap.value = material.envMap; // part of uniforms common\n\n\t\t\tuniforms.envMapIntensity.value = material.envMapIntensity;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsPhysical( uniforms, material, transmissionRenderTarget ) {\n\n\t\tuniforms.ior.value = material.ior; // also part of uniforms common\n\n\t\tif ( material.sheen > 0 ) {\n\n\t\t\tuniforms.sheenColor.value.copy( material.sheenColor ).multiplyScalar( material.sheen );\n\n\t\t\tuniforms.sheenRoughness.value = material.sheenRoughness;\n\n\t\t\tif ( material.sheenColorMap ) {\n\n\t\t\t\tuniforms.sheenColorMap.value = material.sheenColorMap;\n\n\t\t\t\trefreshTransformUniform( material.sheenColorMap, uniforms.sheenColorMapTransform );\n\n\t\t\t}\n\n\t\t\tif ( material.sheenRoughnessMap ) {\n\n\t\t\t\tuniforms.sheenRoughnessMap.value = material.sheenRoughnessMap;\n\n\t\t\t\trefreshTransformUniform( material.sheenRoughnessMap, uniforms.sheenRoughnessMapTransform );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.clearcoat > 0 ) {\n\n\t\t\tuniforms.clearcoat.value = material.clearcoat;\n\t\t\tuniforms.clearcoatRoughness.value = material.clearcoatRoughness;\n\n\t\t\tif ( material.clearcoatMap ) {\n\n\t\t\t\tuniforms.clearcoatMap.value = material.clearcoatMap;\n\n\t\t\t\trefreshTransformUniform( material.clearcoatMap, uniforms.clearcoatMapTransform );\n\n\t\t\t}\n\n\t\t\tif ( material.clearcoatRoughnessMap ) {\n\n\t\t\t\tuniforms.clearcoatRoughnessMap.value = material.clearcoatRoughnessMap;\n\n\t\t\t\trefreshTransformUniform( material.clearcoatRoughnessMap, uniforms.clearcoatRoughnessMapTransform );\n\n\t\t\t}\n\n\t\t\tif ( material.clearcoatNormalMap ) {\n\n\t\t\t\tuniforms.clearcoatNormalMap.value = material.clearcoatNormalMap;\n\n\t\t\t\trefreshTransformUniform( material.clearcoatNormalMap, uniforms.clearcoatNormalMapTransform );\n\n\t\t\t\tuniforms.clearcoatNormalScale.value.copy( material.clearcoatNormalScale );\n\n\t\t\t\tif ( material.side === BackSide ) {\n\n\t\t\t\t\tuniforms.clearcoatNormalScale.value.negate();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.dispersion > 0 ) {\n\n\t\t\tuniforms.dispersion.value = material.dispersion;\n\n\t\t}\n\n\t\tif ( material.iridescence > 0 ) {\n\n\t\t\tuniforms.iridescence.value = material.iridescence;\n\t\t\tuniforms.iridescenceIOR.value = material.iridescenceIOR;\n\t\t\tuniforms.iridescenceThicknessMinimum.value = material.iridescenceThicknessRange[ 0 ];\n\t\t\tuniforms.iridescenceThicknessMaximum.value = material.iridescenceThicknessRange[ 1 ];\n\n\t\t\tif ( material.iridescenceMap ) {\n\n\t\t\t\tuniforms.iridescenceMap.value = material.iridescenceMap;\n\n\t\t\t\trefreshTransformUniform( material.iridescenceMap, uniforms.iridescenceMapTransform );\n\n\t\t\t}\n\n\t\t\tif ( material.iridescenceThicknessMap ) {\n\n\t\t\t\tuniforms.iridescenceThicknessMap.value = material.iridescenceThicknessMap;\n\n\t\t\t\trefreshTransformUniform( material.iridescenceThicknessMap, uniforms.iridescenceThicknessMapTransform );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( material.transmission > 0 ) {\n\n\t\t\tuniforms.transmission.value = material.transmission;\n\t\t\tuniforms.transmissionSamplerMap.value = transmissionRenderTarget.texture;\n\t\t\tuniforms.transmissionSamplerSize.value.set( transmissionRenderTarget.width, transmissionRenderTarget.height );\n\n\t\t\tif ( material.transmissionMap ) {\n\n\t\t\t\tuniforms.transmissionMap.value = material.transmissionMap;\n\n\t\t\t\trefreshTransformUniform( material.transmissionMap, uniforms.transmissionMapTransform );\n\n\t\t\t}\n\n\t\t\tuniforms.thickness.value = material.thickness;\n\n\t\t\tif ( material.thicknessMap ) {\n\n\t\t\t\tuniforms.thicknessMap.value = material.thicknessMap;\n\n\t\t\t\trefreshTransformUniform( material.thicknessMap, uniforms.thicknessMapTransform );\n\n\t\t\t}\n\n\t\t\tuniforms.attenuationDistance.value = material.attenuationDistance;\n\t\t\tuniforms.attenuationColor.value.copy( material.attenuationColor );\n\n\t\t}\n\n\t\tif ( material.anisotropy > 0 ) {\n\n\t\t\tuniforms.anisotropyVector.value.set( material.anisotropy * Math.cos( material.anisotropyRotation ), material.anisotropy * Math.sin( material.anisotropyRotation ) );\n\n\t\t\tif ( material.anisotropyMap ) {\n\n\t\t\t\tuniforms.anisotropyMap.value = material.anisotropyMap;\n\n\t\t\t\trefreshTransformUniform( material.anisotropyMap, uniforms.anisotropyMapTransform );\n\n\t\t\t}\n\n\t\t}\n\n\t\tuniforms.specularIntensity.value = material.specularIntensity;\n\t\tuniforms.specularColor.value.copy( material.specularColor );\n\n\t\tif ( material.specularColorMap ) {\n\n\t\t\tuniforms.specularColorMap.value = material.specularColorMap;\n\n\t\t\trefreshTransformUniform( material.specularColorMap, uniforms.specularColorMapTransform );\n\n\t\t}\n\n\t\tif ( material.specularIntensityMap ) {\n\n\t\t\tuniforms.specularIntensityMap.value = material.specularIntensityMap;\n\n\t\t\trefreshTransformUniform( material.specularIntensityMap, uniforms.specularIntensityMapTransform );\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsMatcap( uniforms, material ) {\n\n\t\tif ( material.matcap ) {\n\n\t\t\tuniforms.matcap.value = material.matcap;\n\n\t\t}\n\n\t}\n\n\tfunction refreshUniformsDistance( uniforms, material ) {\n\n\t\tconst light = properties.get( material ).light;\n\n\t\tuniforms.referencePosition.value.setFromMatrixPosition( light.matrixWorld );\n\t\tuniforms.nearDistance.value = light.shadow.camera.near;\n\t\tuniforms.farDistance.value = light.shadow.camera.far;\n\n\t}\n\n\treturn {\n\t\trefreshFogUniforms: refreshFogUniforms,\n\t\trefreshMaterialUniforms: refreshMaterialUniforms\n\t};\n\n}\n\nfunction WebGLUniformsGroups( gl, info, capabilities, state ) {\n\n\tlet buffers = {};\n\tlet updateList = {};\n\tlet allocatedBindingPoints = [];\n\n\tconst maxBindingPoints = gl.getParameter( gl.MAX_UNIFORM_BUFFER_BINDINGS ); // binding points are global whereas block indices are per shader program\n\n\tfunction bind( uniformsGroup, program ) {\n\n\t\tconst webglProgram = program.program;\n\t\tstate.uniformBlockBinding( uniformsGroup, webglProgram );\n\n\t}\n\n\tfunction update( uniformsGroup, program ) {\n\n\t\tlet buffer = buffers[ uniformsGroup.id ];\n\n\t\tif ( buffer === undefined ) {\n\n\t\t\tprepareUniformsGroup( uniformsGroup );\n\n\t\t\tbuffer = createBuffer( uniformsGroup );\n\t\t\tbuffers[ uniformsGroup.id ] = buffer;\n\n\t\t\tuniformsGroup.addEventListener( 'dispose', onUniformsGroupsDispose );\n\n\t\t}\n\n\t\t// ensure to update the binding points/block indices mapping for this program\n\n\t\tconst webglProgram = program.program;\n\t\tstate.updateUBOMapping( uniformsGroup, webglProgram );\n\n\t\t// update UBO once per frame\n\n\t\tconst frame = info.render.frame;\n\n\t\tif ( updateList[ uniformsGroup.id ] !== frame ) {\n\n\t\t\tupdateBufferData( uniformsGroup );\n\n\t\t\tupdateList[ uniformsGroup.id ] = frame;\n\n\t\t}\n\n\t}\n\n\tfunction createBuffer( uniformsGroup ) {\n\n\t\t// the setup of an UBO is independent of a particular shader program but global\n\n\t\tconst bindingPointIndex = allocateBindingPointIndex();\n\t\tuniformsGroup.__bindingPointIndex = bindingPointIndex;\n\n\t\tconst buffer = gl.createBuffer();\n\t\tconst size = uniformsGroup.__size;\n\t\tconst usage = uniformsGroup.usage;\n\n\t\tgl.bindBuffer( gl.UNIFORM_BUFFER, buffer );\n\t\tgl.bufferData( gl.UNIFORM_BUFFER, size, usage );\n\t\tgl.bindBuffer( gl.UNIFORM_BUFFER, null );\n\t\tgl.bindBufferBase( gl.UNIFORM_BUFFER, bindingPointIndex, buffer );\n\n\t\treturn buffer;\n\n\t}\n\n\tfunction allocateBindingPointIndex() {\n\n\t\tfor ( let i = 0; i < maxBindingPoints; i ++ ) {\n\n\t\t\tif ( allocatedBindingPoints.indexOf( i ) === - 1 ) {\n\n\t\t\t\tallocatedBindingPoints.push( i );\n\t\t\t\treturn i;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconsole.error( 'THREE.WebGLRenderer: Maximum number of simultaneously usable uniforms groups reached.' );\n\n\t\treturn 0;\n\n\t}\n\n\tfunction updateBufferData( uniformsGroup ) {\n\n\t\tconst buffer = buffers[ uniformsGroup.id ];\n\t\tconst uniforms = uniformsGroup.uniforms;\n\t\tconst cache = uniformsGroup.__cache;\n\n\t\tgl.bindBuffer( gl.UNIFORM_BUFFER, buffer );\n\n\t\tfor ( let i = 0, il = uniforms.length; i < il; i ++ ) {\n\n\t\t\tconst uniformArray = Array.isArray( uniforms[ i ] ) ? uniforms[ i ] : [ uniforms[ i ] ];\n\n\t\t\tfor ( let j = 0, jl = uniformArray.length; j < jl; j ++ ) {\n\n\t\t\t\tconst uniform = uniformArray[ j ];\n\n\t\t\t\tif ( hasUniformChanged( uniform, i, j, cache ) === true ) {\n\n\t\t\t\t\tconst offset = uniform.__offset;\n\n\t\t\t\t\tconst values = Array.isArray( uniform.value ) ? uniform.value : [ uniform.value ];\n\n\t\t\t\t\tlet arrayOffset = 0;\n\n\t\t\t\t\tfor ( let k = 0; k < values.length; k ++ ) {\n\n\t\t\t\t\t\tconst value = values[ k ];\n\n\t\t\t\t\t\tconst info = getUniformSize( value );\n\n\t\t\t\t\t\t// TODO add integer and struct support\n\t\t\t\t\t\tif ( typeof value === 'number' || typeof value === 'boolean' ) {\n\n\t\t\t\t\t\t\tuniform.__data[ 0 ] = value;\n\t\t\t\t\t\t\tgl.bufferSubData( gl.UNIFORM_BUFFER, offset + arrayOffset, uniform.__data );\n\n\t\t\t\t\t\t} else if ( value.isMatrix3 ) {\n\n\t\t\t\t\t\t\t// manually converting 3x3 to 3x4\n\n\t\t\t\t\t\t\tuniform.__data[ 0 ] = value.elements[ 0 ];\n\t\t\t\t\t\t\tuniform.__data[ 1 ] = value.elements[ 1 ];\n\t\t\t\t\t\t\tuniform.__data[ 2 ] = value.elements[ 2 ];\n\t\t\t\t\t\t\tuniform.__data[ 3 ] = 0;\n\t\t\t\t\t\t\tuniform.__data[ 4 ] = value.elements[ 3 ];\n\t\t\t\t\t\t\tuniform.__data[ 5 ] = value.elements[ 4 ];\n\t\t\t\t\t\t\tuniform.__data[ 6 ] = value.elements[ 5 ];\n\t\t\t\t\t\t\tuniform.__data[ 7 ] = 0;\n\t\t\t\t\t\t\tuniform.__data[ 8 ] = value.elements[ 6 ];\n\t\t\t\t\t\t\tuniform.__data[ 9 ] = value.elements[ 7 ];\n\t\t\t\t\t\t\tuniform.__data[ 10 ] = value.elements[ 8 ];\n\t\t\t\t\t\t\tuniform.__data[ 11 ] = 0;\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tvalue.toArray( uniform.__data, arrayOffset );\n\n\t\t\t\t\t\t\tarrayOffset += info.storage / Float32Array.BYTES_PER_ELEMENT;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tgl.bufferSubData( gl.UNIFORM_BUFFER, offset, uniform.__data );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tgl.bindBuffer( gl.UNIFORM_BUFFER, null );\n\n\t}\n\n\tfunction hasUniformChanged( uniform, index, indexArray, cache ) {\n\n\t\tconst value = uniform.value;\n\t\tconst indexString = index + '_' + indexArray;\n\n\t\tif ( cache[ indexString ] === undefined ) {\n\n\t\t\t// cache entry does not exist so far\n\n\t\t\tif ( typeof value === 'number' || typeof value === 'boolean' ) {\n\n\t\t\t\tcache[ indexString ] = value;\n\n\t\t\t} else {\n\n\t\t\t\tcache[ indexString ] = value.clone();\n\n\t\t\t}\n\n\t\t\treturn true;\n\n\t\t} else {\n\n\t\t\tconst cachedObject = cache[ indexString ];\n\n\t\t\t// compare current value with cached entry\n\n\t\t\tif ( typeof value === 'number' || typeof value === 'boolean' ) {\n\n\t\t\t\tif ( cachedObject !== value ) {\n\n\t\t\t\t\tcache[ indexString ] = value;\n\t\t\t\t\treturn true;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( cachedObject.equals( value ) === false ) {\n\n\t\t\t\t\tcachedObject.copy( value );\n\t\t\t\t\treturn true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tfunction prepareUniformsGroup( uniformsGroup ) {\n\n\t\t// determine total buffer size according to the STD140 layout\n\t\t// Hint: STD140 is the only supported layout in WebGL 2\n\n\t\tconst uniforms = uniformsGroup.uniforms;\n\n\t\tlet offset = 0; // global buffer offset in bytes\n\t\tconst chunkSize = 16; // size of a chunk in bytes\n\n\t\tfor ( let i = 0, l = uniforms.length; i < l; i ++ ) {\n\n\t\t\tconst uniformArray = Array.isArray( uniforms[ i ] ) ? uniforms[ i ] : [ uniforms[ i ] ];\n\n\t\t\tfor ( let j = 0, jl = uniformArray.length; j < jl; j ++ ) {\n\n\t\t\t\tconst uniform = uniformArray[ j ];\n\n\t\t\t\tconst values = Array.isArray( uniform.value ) ? uniform.value : [ uniform.value ];\n\n\t\t\t\tfor ( let k = 0, kl = values.length; k < kl; k ++ ) {\n\n\t\t\t\t\tconst value = values[ k ];\n\n\t\t\t\t\tconst info = getUniformSize( value );\n\n\t\t\t\t\tconst chunkOffset = offset % chunkSize; // offset in the current chunk\n\t\t\t\t\tconst chunkPadding = chunkOffset % info.boundary; // required padding to match boundary\n\t\t\t\t\tconst chunkStart = chunkOffset + chunkPadding; // the start position in the current chunk for the data\n\n\t\t\t\t\toffset += chunkPadding;\n\n\t\t\t\t\t// Check for chunk overflow\n\t\t\t\t\tif ( chunkStart !== 0 && ( chunkSize - chunkStart ) < info.storage ) {\n\n\t\t\t\t\t\t// Add padding and adjust offset\n\t\t\t\t\t\toffset += ( chunkSize - chunkStart );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// the following two properties will be used for partial buffer updates\n\t\t\t\t\tuniform.__data = new Float32Array( info.storage / Float32Array.BYTES_PER_ELEMENT );\n\t\t\t\t\tuniform.__offset = offset;\n\n\t\t\t\t\t// Update the global offset\n\t\t\t\t\toffset += info.storage;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// ensure correct final padding\n\n\t\tconst chunkOffset = offset % chunkSize;\n\n\t\tif ( chunkOffset > 0 ) offset += ( chunkSize - chunkOffset );\n\n\t\t//\n\n\t\tuniformsGroup.__size = offset;\n\t\tuniformsGroup.__cache = {};\n\n\t\treturn this;\n\n\t}\n\n\tfunction getUniformSize( value ) {\n\n\t\tconst info = {\n\t\t\tboundary: 0, // bytes\n\t\t\tstorage: 0 // bytes\n\t\t};\n\n\t\t// determine sizes according to STD140\n\n\t\tif ( typeof value === 'number' || typeof value === 'boolean' ) {\n\n\t\t\t// float/int/bool\n\n\t\t\tinfo.boundary = 4;\n\t\t\tinfo.storage = 4;\n\n\t\t} else if ( value.isVector2 ) {\n\n\t\t\t// vec2\n\n\t\t\tinfo.boundary = 8;\n\t\t\tinfo.storage = 8;\n\n\t\t} else if ( value.isVector3 || value.isColor ) {\n\n\t\t\t// vec3\n\n\t\t\tinfo.boundary = 16;\n\t\t\tinfo.storage = 12; // evil: vec3 must start on a 16-byte boundary but it only consumes 12 bytes\n\n\t\t} else if ( value.isVector4 ) {\n\n\t\t\t// vec4\n\n\t\t\tinfo.boundary = 16;\n\t\t\tinfo.storage = 16;\n\n\t\t} else if ( value.isMatrix3 ) {\n\n\t\t\t// mat3 (in STD140 a 3x3 matrix is represented as 3x4)\n\n\t\t\tinfo.boundary = 48;\n\t\t\tinfo.storage = 48;\n\n\t\t} else if ( value.isMatrix4 ) {\n\n\t\t\t// mat4\n\n\t\t\tinfo.boundary = 64;\n\t\t\tinfo.storage = 64;\n\n\t\t} else if ( value.isTexture ) {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Texture samplers can not be part of an uniforms group.' );\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.WebGLRenderer: Unsupported uniform value type.', value );\n\n\t\t}\n\n\t\treturn info;\n\n\t}\n\n\tfunction onUniformsGroupsDispose( event ) {\n\n\t\tconst uniformsGroup = event.target;\n\n\t\tuniformsGroup.removeEventListener( 'dispose', onUniformsGroupsDispose );\n\n\t\tconst index = allocatedBindingPoints.indexOf( uniformsGroup.__bindingPointIndex );\n\t\tallocatedBindingPoints.splice( index, 1 );\n\n\t\tgl.deleteBuffer( buffers[ uniformsGroup.id ] );\n\n\t\tdelete buffers[ uniformsGroup.id ];\n\t\tdelete updateList[ uniformsGroup.id ];\n\n\t}\n\n\tfunction dispose() {\n\n\t\tfor ( const id in buffers ) {\n\n\t\t\tgl.deleteBuffer( buffers[ id ] );\n\n\t\t}\n\n\t\tallocatedBindingPoints = [];\n\t\tbuffers = {};\n\t\tupdateList = {};\n\n\t}\n\n\treturn {\n\n\t\tbind: bind,\n\t\tupdate: update,\n\n\t\tdispose: dispose\n\n\t};\n\n}\n\nclass WebGLRenderer {\n\n\tconstructor( parameters = {} ) {\n\n\t\tconst {\n\t\t\tcanvas = createCanvasElement(),\n\t\t\tcontext = null,\n\t\t\tdepth = true,\n\t\t\tstencil = false,\n\t\t\talpha = false,\n\t\t\tantialias = false,\n\t\t\tpremultipliedAlpha = true,\n\t\t\tpreserveDrawingBuffer = false,\n\t\t\tpowerPreference = 'default',\n\t\t\tfailIfMajorPerformanceCaveat = false,\n\t\t\treverseDepthBuffer = false,\n\t\t} = parameters;\n\n\t\tthis.isWebGLRenderer = true;\n\n\t\tlet _alpha;\n\n\t\tif ( context !== null ) {\n\n\t\t\tif ( typeof WebGLRenderingContext !== 'undefined' && context instanceof WebGLRenderingContext ) {\n\n\t\t\t\tthrow new Error( 'THREE.WebGLRenderer: WebGL 1 is not supported since r163.' );\n\n\t\t\t}\n\n\t\t\t_alpha = context.getContextAttributes().alpha;\n\n\t\t} else {\n\n\t\t\t_alpha = alpha;\n\n\t\t}\n\n\t\tconst uintClearColor = new Uint32Array( 4 );\n\t\tconst intClearColor = new Int32Array( 4 );\n\n\t\tlet currentRenderList = null;\n\t\tlet currentRenderState = null;\n\n\t\t// render() can be called from within a callback triggered by another render.\n\t\t// We track this so that the nested render call gets its list and state isolated from the parent render call.\n\n\t\tconst renderListStack = [];\n\t\tconst renderStateStack = [];\n\n\t\t// public properties\n\n\t\tthis.domElement = canvas;\n\n\t\t// Debug configuration container\n\t\tthis.debug = {\n\n\t\t\t/**\n\t\t\t * Enables error checking and reporting when shader programs are being compiled\n\t\t\t * @type {boolean}\n\t\t\t */\n\t\t\tcheckShaderErrors: true,\n\t\t\t/**\n\t\t\t * Callback for custom error reporting.\n\t\t\t * @type {?Function}\n\t\t\t */\n\t\t\tonShaderError: null\n\t\t};\n\n\t\t// clearing\n\n\t\tthis.autoClear = true;\n\t\tthis.autoClearColor = true;\n\t\tthis.autoClearDepth = true;\n\t\tthis.autoClearStencil = true;\n\n\t\t// scene graph\n\n\t\tthis.sortObjects = true;\n\n\t\t// user-defined clipping\n\n\t\tthis.clippingPlanes = [];\n\t\tthis.localClippingEnabled = false;\n\n\t\t// physically based shading\n\n\t\tthis._outputColorSpace = SRGBColorSpace;\n\n\t\t// tone mapping\n\n\t\tthis.toneMapping = NoToneMapping;\n\t\tthis.toneMappingExposure = 1.0;\n\n\t\t// internal properties\n\n\t\tconst _this = this;\n\n\t\tlet _isContextLost = false;\n\n\t\t// internal state cache\n\n\t\tlet _currentActiveCubeFace = 0;\n\t\tlet _currentActiveMipmapLevel = 0;\n\t\tlet _currentRenderTarget = null;\n\t\tlet _currentMaterialId = - 1;\n\n\t\tlet _currentCamera = null;\n\n\t\tconst _currentViewport = new Vector4();\n\t\tconst _currentScissor = new Vector4();\n\t\tlet _currentScissorTest = null;\n\n\t\tconst _currentClearColor = new Color( 0x000000 );\n\t\tlet _currentClearAlpha = 0;\n\n\t\t//\n\n\t\tlet _width = canvas.width;\n\t\tlet _height = canvas.height;\n\n\t\tlet _pixelRatio = 1;\n\t\tlet _opaqueSort = null;\n\t\tlet _transparentSort = null;\n\n\t\tconst _viewport = new Vector4( 0, 0, _width, _height );\n\t\tconst _scissor = new Vector4( 0, 0, _width, _height );\n\t\tlet _scissorTest = false;\n\n\t\t// frustum\n\n\t\tconst _frustum = new Frustum();\n\n\t\t// clipping\n\n\t\tlet _clippingEnabled = false;\n\t\tlet _localClippingEnabled = false;\n\n\t\t// transmission render target scale\n\t\tthis.transmissionResolutionScale = 1.0;\n\n\t\t// camera matrices cache\n\n\t\tconst _currentProjectionMatrix = new Matrix4();\n\t\tconst _projScreenMatrix = new Matrix4();\n\n\t\tconst _vector3 = new Vector3();\n\n\t\tconst _vector4 = new Vector4();\n\n\t\tconst _emptyScene = { background: null, fog: null, environment: null, overrideMaterial: null, isScene: true };\n\n\t\tlet _renderBackground = false;\n\n\t\tfunction getTargetPixelRatio() {\n\n\t\t\treturn _currentRenderTarget === null ? _pixelRatio : 1;\n\n\t\t}\n\n\t\t// initialize\n\n\t\tlet _gl = context;\n\n\t\tfunction getContext( contextName, contextAttributes ) {\n\n\t\t\treturn canvas.getContext( contextName, contextAttributes );\n\n\t\t}\n\n\t\ttry {\n\n\t\t\tconst contextAttributes = {\n\t\t\t\talpha: true,\n\t\t\t\tdepth,\n\t\t\t\tstencil,\n\t\t\t\tantialias,\n\t\t\t\tpremultipliedAlpha,\n\t\t\t\tpreserveDrawingBuffer,\n\t\t\t\tpowerPreference,\n\t\t\t\tfailIfMajorPerformanceCaveat,\n\t\t\t};\n\n\t\t\t// OffscreenCanvas does not have setAttribute, see #22811\n\t\t\tif ( 'setAttribute' in canvas ) canvas.setAttribute( 'data-engine', `three.js r${REVISION}` );\n\n\t\t\t// event listeners must be registered before WebGL context is created, see #12753\n\t\t\tcanvas.addEventListener( 'webglcontextlost', onContextLost, false );\n\t\t\tcanvas.addEventListener( 'webglcontextrestored', onContextRestore, false );\n\t\t\tcanvas.addEventListener( 'webglcontextcreationerror', onContextCreationError, false );\n\n\t\t\tif ( _gl === null ) {\n\n\t\t\t\tconst contextName = 'webgl2';\n\n\t\t\t\t_gl = getContext( contextName, contextAttributes );\n\n\t\t\t\tif ( _gl === null ) {\n\n\t\t\t\t\tif ( getContext( contextName ) ) {\n\n\t\t\t\t\t\tthrow new Error( 'Error creating WebGL context with your selected attributes.' );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthrow new Error( 'Error creating WebGL context.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} catch ( error ) {\n\n\t\t\tconsole.error( 'THREE.WebGLRenderer: ' + error.message );\n\t\t\tthrow error;\n\n\t\t}\n\n\t\tlet extensions, capabilities, state, info;\n\t\tlet properties, textures, cubemaps, cubeuvmaps, attributes, geometries, objects;\n\t\tlet programCache, materials, renderLists, renderStates, clipping, shadowMap;\n\n\t\tlet background, morphtargets, bufferRenderer, indexedBufferRenderer;\n\n\t\tlet utils, bindingStates, uniformsGroups;\n\n\t\tfunction initGLContext() {\n\n\t\t\textensions = new WebGLExtensions( _gl );\n\t\t\textensions.init();\n\n\t\t\tutils = new WebGLUtils( _gl, extensions );\n\n\t\t\tcapabilities = new WebGLCapabilities( _gl, extensions, parameters, utils );\n\n\t\t\tstate = new WebGLState( _gl, extensions );\n\n\t\t\tif ( capabilities.reverseDepthBuffer && reverseDepthBuffer ) {\n\n\t\t\t\tstate.buffers.depth.setReversed( true );\n\n\t\t\t}\n\n\t\t\tinfo = new WebGLInfo( _gl );\n\t\t\tproperties = new WebGLProperties();\n\t\t\ttextures = new WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info );\n\t\t\tcubemaps = new WebGLCubeMaps( _this );\n\t\t\tcubeuvmaps = new WebGLCubeUVMaps( _this );\n\t\t\tattributes = new WebGLAttributes( _gl );\n\t\t\tbindingStates = new WebGLBindingStates( _gl, attributes );\n\t\t\tgeometries = new WebGLGeometries( _gl, attributes, info, bindingStates );\n\t\t\tobjects = new WebGLObjects( _gl, geometries, attributes, info );\n\t\t\tmorphtargets = new WebGLMorphtargets( _gl, capabilities, textures );\n\t\t\tclipping = new WebGLClipping( properties );\n\t\t\tprogramCache = new WebGLPrograms( _this, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping );\n\t\t\tmaterials = new WebGLMaterials( _this, properties );\n\t\t\trenderLists = new WebGLRenderLists();\n\t\t\trenderStates = new WebGLRenderStates( extensions );\n\t\t\tbackground = new WebGLBackground( _this, cubemaps, cubeuvmaps, state, objects, _alpha, premultipliedAlpha );\n\t\t\tshadowMap = new WebGLShadowMap( _this, objects, capabilities );\n\t\t\tuniformsGroups = new WebGLUniformsGroups( _gl, info, capabilities, state );\n\n\t\t\tbufferRenderer = new WebGLBufferRenderer( _gl, extensions, info );\n\t\t\tindexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, info );\n\n\t\t\tinfo.programs = programCache.programs;\n\n\t\t\t_this.capabilities = capabilities;\n\t\t\t_this.extensions = extensions;\n\t\t\t_this.properties = properties;\n\t\t\t_this.renderLists = renderLists;\n\t\t\t_this.shadowMap = shadowMap;\n\t\t\t_this.state = state;\n\t\t\t_this.info = info;\n\n\t\t}\n\n\t\tinitGLContext();\n\n\t\t// xr\n\n\t\tconst xr = new WebXRManager( _this, _gl );\n\n\t\tthis.xr = xr;\n\n\t\t// API\n\n\t\tthis.getContext = function () {\n\n\t\t\treturn _gl;\n\n\t\t};\n\n\t\tthis.getContextAttributes = function () {\n\n\t\t\treturn _gl.getContextAttributes();\n\n\t\t};\n\n\t\tthis.forceContextLoss = function () {\n\n\t\t\tconst extension = extensions.get( 'WEBGL_lose_context' );\n\t\t\tif ( extension ) extension.loseContext();\n\n\t\t};\n\n\t\tthis.forceContextRestore = function () {\n\n\t\t\tconst extension = extensions.get( 'WEBGL_lose_context' );\n\t\t\tif ( extension ) extension.restoreContext();\n\n\t\t};\n\n\t\tthis.getPixelRatio = function () {\n\n\t\t\treturn _pixelRatio;\n\n\t\t};\n\n\t\tthis.setPixelRatio = function ( value ) {\n\n\t\t\tif ( value === undefined ) return;\n\n\t\t\t_pixelRatio = value;\n\n\t\t\tthis.setSize( _width, _height, false );\n\n\t\t};\n\n\t\tthis.getSize = function ( target ) {\n\n\t\t\treturn target.set( _width, _height );\n\n\t\t};\n\n\t\tthis.setSize = function ( width, height, updateStyle = true ) {\n\n\t\t\tif ( xr.isPresenting ) {\n\n\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Can\\'t change size while VR device is presenting.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\t_width = width;\n\t\t\t_height = height;\n\n\t\t\tcanvas.width = Math.floor( width * _pixelRatio );\n\t\t\tcanvas.height = Math.floor( height * _pixelRatio );\n\n\t\t\tif ( updateStyle === true ) {\n\n\t\t\t\tcanvas.style.width = width + 'px';\n\t\t\t\tcanvas.style.height = height + 'px';\n\n\t\t\t}\n\n\t\t\tthis.setViewport( 0, 0, width, height );\n\n\t\t};\n\n\t\tthis.getDrawingBufferSize = function ( target ) {\n\n\t\t\treturn target.set( _width * _pixelRatio, _height * _pixelRatio ).floor();\n\n\t\t};\n\n\t\tthis.setDrawingBufferSize = function ( width, height, pixelRatio ) {\n\n\t\t\t_width = width;\n\t\t\t_height = height;\n\n\t\t\t_pixelRatio = pixelRatio;\n\n\t\t\tcanvas.width = Math.floor( width * pixelRatio );\n\t\t\tcanvas.height = Math.floor( height * pixelRatio );\n\n\t\t\tthis.setViewport( 0, 0, width, height );\n\n\t\t};\n\n\t\tthis.getCurrentViewport = function ( target ) {\n\n\t\t\treturn target.copy( _currentViewport );\n\n\t\t};\n\n\t\tthis.getViewport = function ( target ) {\n\n\t\t\treturn target.copy( _viewport );\n\n\t\t};\n\n\t\tthis.setViewport = function ( x, y, width, height ) {\n\n\t\t\tif ( x.isVector4 ) {\n\n\t\t\t\t_viewport.set( x.x, x.y, x.z, x.w );\n\n\t\t\t} else {\n\n\t\t\t\t_viewport.set( x, y, width, height );\n\n\t\t\t}\n\n\t\t\tstate.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).round() );\n\n\t\t};\n\n\t\tthis.getScissor = function ( target ) {\n\n\t\t\treturn target.copy( _scissor );\n\n\t\t};\n\n\t\tthis.setScissor = function ( x, y, width, height ) {\n\n\t\t\tif ( x.isVector4 ) {\n\n\t\t\t\t_scissor.set( x.x, x.y, x.z, x.w );\n\n\t\t\t} else {\n\n\t\t\t\t_scissor.set( x, y, width, height );\n\n\t\t\t}\n\n\t\t\tstate.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).round() );\n\n\t\t};\n\n\t\tthis.getScissorTest = function () {\n\n\t\t\treturn _scissorTest;\n\n\t\t};\n\n\t\tthis.setScissorTest = function ( boolean ) {\n\n\t\t\tstate.setScissorTest( _scissorTest = boolean );\n\n\t\t};\n\n\t\tthis.setOpaqueSort = function ( method ) {\n\n\t\t\t_opaqueSort = method;\n\n\t\t};\n\n\t\tthis.setTransparentSort = function ( method ) {\n\n\t\t\t_transparentSort = method;\n\n\t\t};\n\n\t\t// Clearing\n\n\t\tthis.getClearColor = function ( target ) {\n\n\t\t\treturn target.copy( background.getClearColor() );\n\n\t\t};\n\n\t\tthis.setClearColor = function () {\n\n\t\t\tbackground.setClearColor.apply( background, arguments );\n\n\t\t};\n\n\t\tthis.getClearAlpha = function () {\n\n\t\t\treturn background.getClearAlpha();\n\n\t\t};\n\n\t\tthis.setClearAlpha = function () {\n\n\t\t\tbackground.setClearAlpha.apply( background, arguments );\n\n\t\t};\n\n\t\tthis.clear = function ( color = true, depth = true, stencil = true ) {\n\n\t\t\tlet bits = 0;\n\n\t\t\tif ( color ) {\n\n\t\t\t\t// check if we're trying to clear an integer target\n\t\t\t\tlet isIntegerFormat = false;\n\t\t\t\tif ( _currentRenderTarget !== null ) {\n\n\t\t\t\t\tconst targetFormat = _currentRenderTarget.texture.format;\n\t\t\t\t\tisIntegerFormat = targetFormat === RGBAIntegerFormat ||\n\t\t\t\t\t\ttargetFormat === RGIntegerFormat ||\n\t\t\t\t\t\ttargetFormat === RedIntegerFormat;\n\n\t\t\t\t}\n\n\t\t\t\t// use the appropriate clear functions to clear the target if it's a signed\n\t\t\t\t// or unsigned integer target\n\t\t\t\tif ( isIntegerFormat ) {\n\n\t\t\t\t\tconst targetType = _currentRenderTarget.texture.type;\n\t\t\t\t\tconst isUnsignedType = targetType === UnsignedByteType ||\n\t\t\t\t\t\ttargetType === UnsignedIntType ||\n\t\t\t\t\t\ttargetType === UnsignedShortType ||\n\t\t\t\t\t\ttargetType === UnsignedInt248Type ||\n\t\t\t\t\t\ttargetType === UnsignedShort4444Type ||\n\t\t\t\t\t\ttargetType === UnsignedShort5551Type;\n\n\t\t\t\t\tconst clearColor = background.getClearColor();\n\t\t\t\t\tconst a = background.getClearAlpha();\n\t\t\t\t\tconst r = clearColor.r;\n\t\t\t\t\tconst g = clearColor.g;\n\t\t\t\t\tconst b = clearColor.b;\n\n\t\t\t\t\tif ( isUnsignedType ) {\n\n\t\t\t\t\t\tuintClearColor[ 0 ] = r;\n\t\t\t\t\t\tuintClearColor[ 1 ] = g;\n\t\t\t\t\t\tuintClearColor[ 2 ] = b;\n\t\t\t\t\t\tuintClearColor[ 3 ] = a;\n\t\t\t\t\t\t_gl.clearBufferuiv( _gl.COLOR, 0, uintClearColor );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tintClearColor[ 0 ] = r;\n\t\t\t\t\t\tintClearColor[ 1 ] = g;\n\t\t\t\t\t\tintClearColor[ 2 ] = b;\n\t\t\t\t\t\tintClearColor[ 3 ] = a;\n\t\t\t\t\t\t_gl.clearBufferiv( _gl.COLOR, 0, intClearColor );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbits |= _gl.COLOR_BUFFER_BIT;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( depth ) {\n\n\t\t\t\tbits |= _gl.DEPTH_BUFFER_BIT;\n\n\t\t\t}\n\n\t\t\tif ( stencil ) {\n\n\t\t\t\tbits |= _gl.STENCIL_BUFFER_BIT;\n\t\t\t\tthis.state.buffers.stencil.setMask( 0xffffffff );\n\n\t\t\t}\n\n\t\t\t_gl.clear( bits );\n\n\t\t};\n\n\t\tthis.clearColor = function () {\n\n\t\t\tthis.clear( true, false, false );\n\n\t\t};\n\n\t\tthis.clearDepth = function () {\n\n\t\t\tthis.clear( false, true, false );\n\n\t\t};\n\n\t\tthis.clearStencil = function () {\n\n\t\t\tthis.clear( false, false, true );\n\n\t\t};\n\n\t\t//\n\n\t\tthis.dispose = function () {\n\n\t\t\tcanvas.removeEventListener( 'webglcontextlost', onContextLost, false );\n\t\t\tcanvas.removeEventListener( 'webglcontextrestored', onContextRestore, false );\n\t\t\tcanvas.removeEventListener( 'webglcontextcreationerror', onContextCreationError, false );\n\n\t\t\tbackground.dispose();\n\t\t\trenderLists.dispose();\n\t\t\trenderStates.dispose();\n\t\t\tproperties.dispose();\n\t\t\tcubemaps.dispose();\n\t\t\tcubeuvmaps.dispose();\n\t\t\tobjects.dispose();\n\t\t\tbindingStates.dispose();\n\t\t\tuniformsGroups.dispose();\n\t\t\tprogramCache.dispose();\n\n\t\t\txr.dispose();\n\n\t\t\txr.removeEventListener( 'sessionstart', onXRSessionStart );\n\t\t\txr.removeEventListener( 'sessionend', onXRSessionEnd );\n\n\t\t\tanimation.stop();\n\n\t\t};\n\n\t\t// Events\n\n\t\tfunction onContextLost( event ) {\n\n\t\t\tevent.preventDefault();\n\n\t\t\tconsole.log( 'THREE.WebGLRenderer: Context Lost.' );\n\n\t\t\t_isContextLost = true;\n\n\t\t}\n\n\t\tfunction onContextRestore( /* event */ ) {\n\n\t\t\tconsole.log( 'THREE.WebGLRenderer: Context Restored.' );\n\n\t\t\t_isContextLost = false;\n\n\t\t\tconst infoAutoReset = info.autoReset;\n\t\t\tconst shadowMapEnabled = shadowMap.enabled;\n\t\t\tconst shadowMapAutoUpdate = shadowMap.autoUpdate;\n\t\t\tconst shadowMapNeedsUpdate = shadowMap.needsUpdate;\n\t\t\tconst shadowMapType = shadowMap.type;\n\n\t\t\tinitGLContext();\n\n\t\t\tinfo.autoReset = infoAutoReset;\n\t\t\tshadowMap.enabled = shadowMapEnabled;\n\t\t\tshadowMap.autoUpdate = shadowMapAutoUpdate;\n\t\t\tshadowMap.needsUpdate = shadowMapNeedsUpdate;\n\t\t\tshadowMap.type = shadowMapType;\n\n\t\t}\n\n\t\tfunction onContextCreationError( event ) {\n\n\t\t\tconsole.error( 'THREE.WebGLRenderer: A WebGL context could not be created. Reason: ', event.statusMessage );\n\n\t\t}\n\n\t\tfunction onMaterialDispose( event ) {\n\n\t\t\tconst material = event.target;\n\n\t\t\tmaterial.removeEventListener( 'dispose', onMaterialDispose );\n\n\t\t\tdeallocateMaterial( material );\n\n\t\t}\n\n\t\t// Buffer deallocation\n\n\t\tfunction deallocateMaterial( material ) {\n\n\t\t\treleaseMaterialProgramReferences( material );\n\n\t\t\tproperties.remove( material );\n\n\t\t}\n\n\n\t\tfunction releaseMaterialProgramReferences( material ) {\n\n\t\t\tconst programs = properties.get( material ).programs;\n\n\t\t\tif ( programs !== undefined ) {\n\n\t\t\t\tprograms.forEach( function ( program ) {\n\n\t\t\t\t\tprogramCache.releaseProgram( program );\n\n\t\t\t\t} );\n\n\t\t\t\tif ( material.isShaderMaterial ) {\n\n\t\t\t\t\tprogramCache.releaseShaderCache( material );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Buffer rendering\n\n\t\tthis.renderBufferDirect = function ( camera, scene, geometry, material, object, group ) {\n\n\t\t\tif ( scene === null ) scene = _emptyScene; // renderBufferDirect second parameter used to be fog (could be null)\n\n\t\t\tconst frontFaceCW = ( object.isMesh && object.matrixWorld.determinant() < 0 );\n\n\t\t\tconst program = setProgram( camera, scene, geometry, material, object );\n\n\t\t\tstate.setMaterial( material, frontFaceCW );\n\n\t\t\t//\n\n\t\t\tlet index = geometry.index;\n\t\t\tlet rangeFactor = 1;\n\n\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\tindex = geometries.getWireframeAttribute( geometry );\n\n\t\t\t\tif ( index === undefined ) return;\n\n\t\t\t\trangeFactor = 2;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tconst drawRange = geometry.drawRange;\n\t\t\tconst position = geometry.attributes.position;\n\n\t\t\tlet drawStart = drawRange.start * rangeFactor;\n\t\t\tlet drawEnd = ( drawRange.start + drawRange.count ) * rangeFactor;\n\n\t\t\tif ( group !== null ) {\n\n\t\t\t\tdrawStart = Math.max( drawStart, group.start * rangeFactor );\n\t\t\t\tdrawEnd = Math.min( drawEnd, ( group.start + group.count ) * rangeFactor );\n\n\t\t\t}\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tdrawStart = Math.max( drawStart, 0 );\n\t\t\t\tdrawEnd = Math.min( drawEnd, index.count );\n\n\t\t\t} else if ( position !== undefined && position !== null ) {\n\n\t\t\t\tdrawStart = Math.max( drawStart, 0 );\n\t\t\t\tdrawEnd = Math.min( drawEnd, position.count );\n\n\t\t\t}\n\n\t\t\tconst drawCount = drawEnd - drawStart;\n\n\t\t\tif ( drawCount < 0 || drawCount === Infinity ) return;\n\n\t\t\t//\n\n\t\t\tbindingStates.setup( object, material, program, geometry, index );\n\n\t\t\tlet attribute;\n\t\t\tlet renderer = bufferRenderer;\n\n\t\t\tif ( index !== null ) {\n\n\t\t\t\tattribute = attributes.get( index );\n\n\t\t\t\trenderer = indexedBufferRenderer;\n\t\t\t\trenderer.setIndex( attribute );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( object.isMesh ) {\n\n\t\t\t\tif ( material.wireframe === true ) {\n\n\t\t\t\t\tstate.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() );\n\t\t\t\t\trenderer.setMode( _gl.LINES );\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderer.setMode( _gl.TRIANGLES );\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isLine ) {\n\n\t\t\t\tlet lineWidth = material.linewidth;\n\n\t\t\t\tif ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material\n\n\t\t\t\tstate.setLineWidth( lineWidth * getTargetPixelRatio() );\n\n\t\t\t\tif ( object.isLineSegments ) {\n\n\t\t\t\t\trenderer.setMode( _gl.LINES );\n\n\t\t\t\t} else if ( object.isLineLoop ) {\n\n\t\t\t\t\trenderer.setMode( _gl.LINE_LOOP );\n\n\t\t\t\t} else {\n\n\t\t\t\t\trenderer.setMode( _gl.LINE_STRIP );\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isPoints ) {\n\n\t\t\t\trenderer.setMode( _gl.POINTS );\n\n\t\t\t} else if ( object.isSprite ) {\n\n\t\t\t\trenderer.setMode( _gl.TRIANGLES );\n\n\t\t\t}\n\n\t\t\tif ( object.isBatchedMesh ) {\n\n\t\t\t\tif ( object._multiDrawInstances !== null ) {\n\n\t\t\t\t\trenderer.renderMultiDrawInstances( object._multiDrawStarts, object._multiDrawCounts, object._multiDrawCount, object._multiDrawInstances );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( ! extensions.get( 'WEBGL_multi_draw' ) ) {\n\n\t\t\t\t\t\tconst starts = object._multiDrawStarts;\n\t\t\t\t\t\tconst counts = object._multiDrawCounts;\n\t\t\t\t\t\tconst drawCount = object._multiDrawCount;\n\t\t\t\t\t\tconst bytesPerElement = index ? attributes.get( index ).bytesPerElement : 1;\n\t\t\t\t\t\tconst uniforms = properties.get( material ).currentProgram.getUniforms();\n\t\t\t\t\t\tfor ( let i = 0; i < drawCount; i ++ ) {\n\n\t\t\t\t\t\t\tuniforms.setValue( _gl, '_gl_DrawID', i );\n\t\t\t\t\t\t\trenderer.render( starts[ i ] / bytesPerElement, counts[ i ] );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\trenderer.renderMultiDraw( object._multiDrawStarts, object._multiDrawCounts, object._multiDrawCount );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else if ( object.isInstancedMesh ) {\n\n\t\t\t\trenderer.renderInstances( drawStart, drawCount, object.count );\n\n\t\t\t} else if ( geometry.isInstancedBufferGeometry ) {\n\n\t\t\t\tconst maxInstanceCount = geometry._maxInstanceCount !== undefined ? geometry._maxInstanceCount : Infinity;\n\t\t\t\tconst instanceCount = Math.min( geometry.instanceCount, maxInstanceCount );\n\n\t\t\t\trenderer.renderInstances( drawStart, drawCount, instanceCount );\n\n\t\t\t} else {\n\n\t\t\t\trenderer.render( drawStart, drawCount );\n\n\t\t\t}\n\n\t\t};\n\n\t\t// Compile\n\n\t\tfunction prepareMaterial( material, scene, object ) {\n\n\t\t\tif ( material.transparent === true && material.side === DoubleSide && material.forceSinglePass === false ) {\n\n\t\t\t\tmaterial.side = BackSide;\n\t\t\t\tmaterial.needsUpdate = true;\n\t\t\t\tgetProgram( material, scene, object );\n\n\t\t\t\tmaterial.side = FrontSide;\n\t\t\t\tmaterial.needsUpdate = true;\n\t\t\t\tgetProgram( material, scene, object );\n\n\t\t\t\tmaterial.side = DoubleSide;\n\n\t\t\t} else {\n\n\t\t\t\tgetProgram( material, scene, object );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.compile = function ( scene, camera, targetScene = null ) {\n\n\t\t\tif ( targetScene === null ) targetScene = scene;\n\n\t\t\tcurrentRenderState = renderStates.get( targetScene );\n\t\t\tcurrentRenderState.init( camera );\n\n\t\t\trenderStateStack.push( currentRenderState );\n\n\t\t\t// gather lights from both the target scene and the new object that will be added to the scene.\n\n\t\t\ttargetScene.traverseVisible( function ( object ) {\n\n\t\t\t\tif ( object.isLight && object.layers.test( camera.layers ) ) {\n\n\t\t\t\t\tcurrentRenderState.pushLight( object );\n\n\t\t\t\t\tif ( object.castShadow ) {\n\n\t\t\t\t\t\tcurrentRenderState.pushShadow( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} );\n\n\t\t\tif ( scene !== targetScene ) {\n\n\t\t\t\tscene.traverseVisible( function ( object ) {\n\n\t\t\t\t\tif ( object.isLight && object.layers.test( camera.layers ) ) {\n\n\t\t\t\t\t\tcurrentRenderState.pushLight( object );\n\n\t\t\t\t\t\tif ( object.castShadow ) {\n\n\t\t\t\t\t\t\tcurrentRenderState.pushShadow( object );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\tcurrentRenderState.setupLights();\n\n\t\t\t// Only initialize materials in the new scene, not the targetScene.\n\n\t\t\tconst materials = new Set();\n\n\t\t\tscene.traverse( function ( object ) {\n\n\t\t\t\tif ( ! ( object.isMesh || object.isPoints || object.isLine || object.isSprite ) ) {\n\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tconst material = object.material;\n\n\t\t\t\tif ( material ) {\n\n\t\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\t\tfor ( let i = 0; i < material.length; i ++ ) {\n\n\t\t\t\t\t\t\tconst material2 = material[ i ];\n\n\t\t\t\t\t\t\tprepareMaterial( material2, targetScene, object );\n\t\t\t\t\t\t\tmaterials.add( material2 );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tprepareMaterial( material, targetScene, object );\n\t\t\t\t\t\tmaterials.add( material );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} );\n\n\t\t\trenderStateStack.pop();\n\t\t\tcurrentRenderState = null;\n\n\t\t\treturn materials;\n\n\t\t};\n\n\t\t// compileAsync\n\n\t\tthis.compileAsync = function ( scene, camera, targetScene = null ) {\n\n\t\t\tconst materials = this.compile( scene, camera, targetScene );\n\n\t\t\t// Wait for all the materials in the new object to indicate that they're\n\t\t\t// ready to be used before resolving the promise.\n\n\t\t\treturn new Promise( ( resolve ) => {\n\n\t\t\t\tfunction checkMaterialsReady() {\n\n\t\t\t\t\tmaterials.forEach( function ( material ) {\n\n\t\t\t\t\t\tconst materialProperties = properties.get( material );\n\t\t\t\t\t\tconst program = materialProperties.currentProgram;\n\n\t\t\t\t\t\tif ( program.isReady() ) {\n\n\t\t\t\t\t\t\t// remove any programs that report they're ready to use from the list\n\t\t\t\t\t\t\tmaterials.delete( material );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} );\n\n\t\t\t\t\t// once the list of compiling materials is empty, call the callback\n\n\t\t\t\t\tif ( materials.size === 0 ) {\n\n\t\t\t\t\t\tresolve( scene );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// if some materials are still not ready, wait a bit and check again\n\n\t\t\t\t\tsetTimeout( checkMaterialsReady, 10 );\n\n\t\t\t\t}\n\n\t\t\t\tif ( extensions.get( 'KHR_parallel_shader_compile' ) !== null ) {\n\n\t\t\t\t\t// If we can check the compilation status of the materials without\n\t\t\t\t\t// blocking then do so right away.\n\n\t\t\t\t\tcheckMaterialsReady();\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Otherwise start by waiting a bit to give the materials we just\n\t\t\t\t\t// initialized a chance to finish.\n\n\t\t\t\t\tsetTimeout( checkMaterialsReady, 10 );\n\n\t\t\t\t}\n\n\t\t\t} );\n\n\t\t};\n\n\t\t// Animation Loop\n\n\t\tlet onAnimationFrameCallback = null;\n\n\t\tfunction onAnimationFrame( time ) {\n\n\t\t\tif ( onAnimationFrameCallback ) onAnimationFrameCallback( time );\n\n\t\t}\n\n\t\tfunction onXRSessionStart() {\n\n\t\t\tanimation.stop();\n\n\t\t}\n\n\t\tfunction onXRSessionEnd() {\n\n\t\t\tanimation.start();\n\n\t\t}\n\n\t\tconst animation = new WebGLAnimation();\n\t\tanimation.setAnimationLoop( onAnimationFrame );\n\n\t\tif ( typeof self !== 'undefined' ) animation.setContext( self );\n\n\t\tthis.setAnimationLoop = function ( callback ) {\n\n\t\t\tonAnimationFrameCallback = callback;\n\t\t\txr.setAnimationLoop( callback );\n\n\t\t\t( callback === null ) ? animation.stop() : animation.start();\n\n\t\t};\n\n\t\txr.addEventListener( 'sessionstart', onXRSessionStart );\n\t\txr.addEventListener( 'sessionend', onXRSessionEnd );\n\n\t\t// Rendering\n\n\t\tthis.render = function ( scene, camera ) {\n\n\t\t\tif ( camera !== undefined && camera.isCamera !== true ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( _isContextLost === true ) return;\n\n\t\t\t// update scene graph\n\n\t\t\tif ( scene.matrixWorldAutoUpdate === true ) scene.updateMatrixWorld();\n\n\t\t\t// update camera matrices and frustum\n\n\t\t\tif ( camera.parent === null && camera.matrixWorldAutoUpdate === true ) camera.updateMatrixWorld();\n\n\t\t\tif ( xr.enabled === true && xr.isPresenting === true ) {\n\n\t\t\t\tif ( xr.cameraAutoUpdate === true ) xr.updateCamera( camera );\n\n\t\t\t\tcamera = xr.getCamera(); // use XR camera for rendering\n\n\t\t\t}\n\n\t\t\t//\n\t\t\tif ( scene.isScene === true ) scene.onBeforeRender( _this, scene, camera, _currentRenderTarget );\n\n\t\t\tcurrentRenderState = renderStates.get( scene, renderStateStack.length );\n\t\t\tcurrentRenderState.init( camera );\n\n\t\t\trenderStateStack.push( currentRenderState );\n\n\t\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\t\t_frustum.setFromProjectionMatrix( _projScreenMatrix );\n\n\t\t\t_localClippingEnabled = this.localClippingEnabled;\n\t\t\t_clippingEnabled = clipping.init( this.clippingPlanes, _localClippingEnabled );\n\n\t\t\tcurrentRenderList = renderLists.get( scene, renderListStack.length );\n\t\t\tcurrentRenderList.init();\n\n\t\t\trenderListStack.push( currentRenderList );\n\n\t\t\tif ( xr.enabled === true && xr.isPresenting === true ) {\n\n\t\t\t\tconst depthSensingMesh = _this.xr.getDepthSensingMesh();\n\n\t\t\t\tif ( depthSensingMesh !== null ) {\n\n\t\t\t\t\tprojectObject( depthSensingMesh, camera, - Infinity, _this.sortObjects );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tprojectObject( scene, camera, 0, _this.sortObjects );\n\n\t\t\tcurrentRenderList.finish();\n\n\t\t\tif ( _this.sortObjects === true ) {\n\n\t\t\t\tcurrentRenderList.sort( _opaqueSort, _transparentSort );\n\n\t\t\t}\n\n\t\t\t_renderBackground = xr.enabled === false || xr.isPresenting === false || xr.hasDepthSensing() === false;\n\t\t\tif ( _renderBackground ) {\n\n\t\t\t\tbackground.addToRenderList( currentRenderList, scene );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tthis.info.render.frame ++;\n\n\t\t\tif ( _clippingEnabled === true ) clipping.beginShadows();\n\n\t\t\tconst shadowsArray = currentRenderState.state.shadowsArray;\n\n\t\t\tshadowMap.render( shadowsArray, scene, camera );\n\n\t\t\tif ( _clippingEnabled === true ) clipping.endShadows();\n\n\t\t\t//\n\n\t\t\tif ( this.info.autoReset === true ) this.info.reset();\n\n\t\t\t// render scene\n\n\t\t\tconst opaqueObjects = currentRenderList.opaque;\n\t\t\tconst transmissiveObjects = currentRenderList.transmissive;\n\n\t\t\tcurrentRenderState.setupLights();\n\n\t\t\tif ( camera.isArrayCamera ) {\n\n\t\t\t\tconst cameras = camera.cameras;\n\n\t\t\t\tif ( transmissiveObjects.length > 0 ) {\n\n\t\t\t\t\tfor ( let i = 0, l = cameras.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tconst camera2 = cameras[ i ];\n\n\t\t\t\t\t\trenderTransmissionPass( opaqueObjects, transmissiveObjects, scene, camera2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( _renderBackground ) background.render( scene );\n\n\t\t\t\tfor ( let i = 0, l = cameras.length; i < l; i ++ ) {\n\n\t\t\t\t\tconst camera2 = cameras[ i ];\n\n\t\t\t\t\trenderScene( currentRenderList, scene, camera2, camera2.viewport );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( transmissiveObjects.length > 0 ) renderTransmissionPass( opaqueObjects, transmissiveObjects, scene, camera );\n\n\t\t\t\tif ( _renderBackground ) background.render( scene );\n\n\t\t\t\trenderScene( currentRenderList, scene, camera );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( _currentRenderTarget !== null && _currentActiveMipmapLevel === 0 ) {\n\n\t\t\t\t// resolve multisample renderbuffers to a single-sample texture if necessary\n\n\t\t\t\ttextures.updateMultisampleRenderTarget( _currentRenderTarget );\n\n\t\t\t\t// Generate mipmap if we're using any kind of mipmap filtering\n\n\t\t\t\ttextures.updateRenderTargetMipmap( _currentRenderTarget );\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tif ( scene.isScene === true ) scene.onAfterRender( _this, scene, camera );\n\n\t\t\t// _gl.finish();\n\n\t\t\tbindingStates.resetDefaultState();\n\t\t\t_currentMaterialId = - 1;\n\t\t\t_currentCamera = null;\n\n\t\t\trenderStateStack.pop();\n\n\t\t\tif ( renderStateStack.length > 0 ) {\n\n\t\t\t\tcurrentRenderState = renderStateStack[ renderStateStack.length - 1 ];\n\n\t\t\t\tif ( _clippingEnabled === true ) clipping.setGlobalState( _this.clippingPlanes, currentRenderState.state.camera );\n\n\t\t\t} else {\n\n\t\t\t\tcurrentRenderState = null;\n\n\t\t\t}\n\n\t\t\trenderListStack.pop();\n\n\t\t\tif ( renderListStack.length > 0 ) {\n\n\t\t\t\tcurrentRenderList = renderListStack[ renderListStack.length - 1 ];\n\n\t\t\t} else {\n\n\t\t\t\tcurrentRenderList = null;\n\n\t\t\t}\n\n\t\t};\n\n\t\tfunction projectObject( object, camera, groupOrder, sortObjects ) {\n\n\t\t\tif ( object.visible === false ) return;\n\n\t\t\tconst visible = object.layers.test( camera.layers );\n\n\t\t\tif ( visible ) {\n\n\t\t\t\tif ( object.isGroup ) {\n\n\t\t\t\t\tgroupOrder = object.renderOrder;\n\n\t\t\t\t} else if ( object.isLOD ) {\n\n\t\t\t\t\tif ( object.autoUpdate === true ) object.update( camera );\n\n\t\t\t\t} else if ( object.isLight ) {\n\n\t\t\t\t\tcurrentRenderState.pushLight( object );\n\n\t\t\t\t\tif ( object.castShadow ) {\n\n\t\t\t\t\t\tcurrentRenderState.pushShadow( object );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( object.isSprite ) {\n\n\t\t\t\t\tif ( ! object.frustumCulled || _frustum.intersectsSprite( object ) ) {\n\n\t\t\t\t\t\tif ( sortObjects ) {\n\n\t\t\t\t\t\t\t_vector4.setFromMatrixPosition( object.matrixWorld )\n\t\t\t\t\t\t\t\t.applyMatrix4( _projScreenMatrix );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tconst geometry = objects.update( object );\n\t\t\t\t\t\tconst material = object.material;\n\n\t\t\t\t\t\tif ( material.visible ) {\n\n\t\t\t\t\t\t\tcurrentRenderList.push( object, geometry, material, groupOrder, _vector4.z, null );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( object.isMesh || object.isLine || object.isPoints ) {\n\n\t\t\t\t\tif ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) {\n\n\t\t\t\t\t\tconst geometry = objects.update( object );\n\t\t\t\t\t\tconst material = object.material;\n\n\t\t\t\t\t\tif ( sortObjects ) {\n\n\t\t\t\t\t\t\tif ( object.boundingSphere !== undefined ) {\n\n\t\t\t\t\t\t\t\tif ( object.boundingSphere === null ) object.computeBoundingSphere();\n\t\t\t\t\t\t\t\t_vector4.copy( object.boundingSphere.center );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\t\t\t\t\t\t\t\t_vector4.copy( geometry.boundingSphere.center );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t_vector4\n\t\t\t\t\t\t\t\t.applyMatrix4( object.matrixWorld )\n\t\t\t\t\t\t\t\t.applyMatrix4( _projScreenMatrix );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\t\t\t\tconst groups = geometry.groups;\n\n\t\t\t\t\t\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\t\t\t\tif ( groupMaterial && groupMaterial.visible ) {\n\n\t\t\t\t\t\t\t\t\tcurrentRenderList.push( object, geometry, groupMaterial, groupOrder, _vector4.z, group );\n\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else if ( material.visible ) {\n\n\t\t\t\t\t\t\tcurrentRenderList.push( object, geometry, material, groupOrder, _vector4.z, null );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst children = object.children;\n\n\t\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tprojectObject( children[ i ], camera, groupOrder, sortObjects );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction renderScene( currentRenderList, scene, camera, viewport ) {\n\n\t\t\tconst opaqueObjects = currentRenderList.opaque;\n\t\t\tconst transmissiveObjects = currentRenderList.transmissive;\n\t\t\tconst transparentObjects = currentRenderList.transparent;\n\n\t\t\tcurrentRenderState.setupLightsView( camera );\n\n\t\t\tif ( _clippingEnabled === true ) clipping.setGlobalState( _this.clippingPlanes, camera );\n\n\t\t\tif ( viewport ) state.viewport( _currentViewport.copy( viewport ) );\n\n\t\t\tif ( opaqueObjects.length > 0 ) renderObjects( opaqueObjects, scene, camera );\n\t\t\tif ( transmissiveObjects.length > 0 ) renderObjects( transmissiveObjects, scene, camera );\n\t\t\tif ( transparentObjects.length > 0 ) renderObjects( transparentObjects, scene, camera );\n\n\t\t\t// Ensure depth buffer writing is enabled so it can be cleared on next render\n\n\t\t\tstate.buffers.depth.setTest( true );\n\t\t\tstate.buffers.depth.setMask( true );\n\t\t\tstate.buffers.color.setMask( true );\n\n\t\t\tstate.setPolygonOffset( false );\n\n\t\t}\n\n\t\tfunction renderTransmissionPass( opaqueObjects, transmissiveObjects, scene, camera ) {\n\n\t\t\tconst overrideMaterial = scene.isScene === true ? scene.overrideMaterial : null;\n\n\t\t\tif ( overrideMaterial !== null ) {\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tif ( currentRenderState.state.transmissionRenderTarget[ camera.id ] === undefined ) {\n\n\t\t\t\tcurrentRenderState.state.transmissionRenderTarget[ camera.id ] = new WebGLRenderTarget( 1, 1, {\n\t\t\t\t\tgenerateMipmaps: true,\n\t\t\t\t\ttype: ( extensions.has( 'EXT_color_buffer_half_float' ) || extensions.has( 'EXT_color_buffer_float' ) ) ? HalfFloatType : UnsignedByteType,\n\t\t\t\t\tminFilter: LinearMipmapLinearFilter,\n\t\t\t\t\tsamples: 4,\n\t\t\t\t\tstencilBuffer: stencil,\n\t\t\t\t\tresolveDepthBuffer: false,\n\t\t\t\t\tresolveStencilBuffer: false,\n\t\t\t\t\tcolorSpace: ColorManagement.workingColorSpace,\n\t\t\t\t} );\n\n\t\t\t\t// debug\n\n\t\t\t\t/*\n\t\t\t\tconst geometry = new PlaneGeometry();\n\t\t\t\tconst material = new MeshBasicMaterial( { map: _transmissionRenderTarget.texture } );\n\n\t\t\t\tconst mesh = new Mesh( geometry, material );\n\t\t\t\tscene.add( mesh );\n\t\t\t\t*/\n\n\t\t\t}\n\n\t\t\tconst transmissionRenderTarget = currentRenderState.state.transmissionRenderTarget[ camera.id ];\n\n\t\t\tconst activeViewport = camera.viewport || _currentViewport;\n\t\t\ttransmissionRenderTarget.setSize( activeViewport.z * _this.transmissionResolutionScale, activeViewport.w * _this.transmissionResolutionScale );\n\n\t\t\t//\n\n\t\t\tconst currentRenderTarget = _this.getRenderTarget();\n\t\t\t_this.setRenderTarget( transmissionRenderTarget );\n\n\t\t\t_this.getClearColor( _currentClearColor );\n\t\t\t_currentClearAlpha = _this.getClearAlpha();\n\t\t\tif ( _currentClearAlpha < 1 ) _this.setClearColor( 0xffffff, 0.5 );\n\n\t\t\t_this.clear();\n\n\t\t\tif ( _renderBackground ) background.render( scene );\n\n\t\t\t// Turn off the features which can affect the frag color for opaque objects pass.\n\t\t\t// Otherwise they are applied twice in opaque objects pass and transmission objects pass.\n\t\t\tconst currentToneMapping = _this.toneMapping;\n\t\t\t_this.toneMapping = NoToneMapping;\n\n\t\t\t// Remove viewport from camera to avoid nested render calls resetting viewport to it (e.g Reflector).\n\t\t\t// Transmission render pass requires viewport to match the transmissionRenderTarget.\n\t\t\tconst currentCameraViewport = camera.viewport;\n\t\t\tif ( camera.viewport !== undefined ) camera.viewport = undefined;\n\n\t\t\tcurrentRenderState.setupLightsView( camera );\n\n\t\t\tif ( _clippingEnabled === true ) clipping.setGlobalState( _this.clippingPlanes, camera );\n\n\t\t\trenderObjects( opaqueObjects, scene, camera );\n\n\t\t\ttextures.updateMultisampleRenderTarget( transmissionRenderTarget );\n\t\t\ttextures.updateRenderTargetMipmap( transmissionRenderTarget );\n\n\t\t\tif ( extensions.has( 'WEBGL_multisampled_render_to_texture' ) === false ) { // see #28131\n\n\t\t\t\tlet renderTargetNeedsUpdate = false;\n\n\t\t\t\tfor ( let i = 0, l = transmissiveObjects.length; i < l; i ++ ) {\n\n\t\t\t\t\tconst renderItem = transmissiveObjects[ i ];\n\n\t\t\t\t\tconst object = renderItem.object;\n\t\t\t\t\tconst geometry = renderItem.geometry;\n\t\t\t\t\tconst material = renderItem.material;\n\t\t\t\t\tconst group = renderItem.group;\n\n\t\t\t\t\tif ( material.side === DoubleSide && object.layers.test( camera.layers ) ) {\n\n\t\t\t\t\t\tconst currentSide = material.side;\n\n\t\t\t\t\t\tmaterial.side = BackSide;\n\t\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t\t\trenderObject( object, scene, camera, geometry, material, group );\n\n\t\t\t\t\t\tmaterial.side = currentSide;\n\t\t\t\t\t\tmaterial.needsUpdate = true;\n\n\t\t\t\t\t\trenderTargetNeedsUpdate = true;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( renderTargetNeedsUpdate === true ) {\n\n\t\t\t\t\ttextures.updateMultisampleRenderTarget( transmissionRenderTarget );\n\t\t\t\t\ttextures.updateRenderTargetMipmap( transmissionRenderTarget );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_this.setRenderTarget( currentRenderTarget );\n\n\t\t\t_this.setClearColor( _currentClearColor, _currentClearAlpha );\n\n\t\t\tif ( currentCameraViewport !== undefined ) camera.viewport = currentCameraViewport;\n\n\t\t\t_this.toneMapping = currentToneMapping;\n\n\t\t}\n\n\t\tfunction renderObjects( renderList, scene, camera ) {\n\n\t\t\tconst overrideMaterial = scene.isScene === true ? scene.overrideMaterial : null;\n\n\t\t\tfor ( let i = 0, l = renderList.length; i < l; i ++ ) {\n\n\t\t\t\tconst renderItem = renderList[ i ];\n\n\t\t\t\tconst object = renderItem.object;\n\t\t\t\tconst geometry = renderItem.geometry;\n\t\t\t\tconst material = overrideMaterial === null ? renderItem.material : overrideMaterial;\n\t\t\t\tconst group = renderItem.group;\n\n\t\t\t\tif ( object.layers.test( camera.layers ) ) {\n\n\t\t\t\t\trenderObject( object, scene, camera, geometry, material, group );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction renderObject( object, scene, camera, geometry, material, group ) {\n\n\t\t\tobject.onBeforeRender( _this, scene, camera, geometry, material, group );\n\n\t\t\tobject.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld );\n\t\t\tobject.normalMatrix.getNormalMatrix( object.modelViewMatrix );\n\n\t\t\tmaterial.onBeforeRender( _this, scene, camera, geometry, object, group );\n\n\t\t\tif ( material.transparent === true && material.side === DoubleSide && material.forceSinglePass === false ) {\n\n\t\t\t\tmaterial.side = BackSide;\n\t\t\t\tmaterial.needsUpdate = true;\n\t\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t\t\tmaterial.side = FrontSide;\n\t\t\t\tmaterial.needsUpdate = true;\n\t\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t\t\tmaterial.side = DoubleSide;\n\n\t\t\t} else {\n\n\t\t\t\t_this.renderBufferDirect( camera, scene, geometry, material, object, group );\n\n\t\t\t}\n\n\t\t\tobject.onAfterRender( _this, scene, camera, geometry, material, group );\n\n\t\t}\n\n\t\tfunction getProgram( material, scene, object ) {\n\n\t\t\tif ( scene.isScene !== true ) scene = _emptyScene; // scene could be a Mesh, Line, Points, ...\n\n\t\t\tconst materialProperties = properties.get( material );\n\n\t\t\tconst lights = currentRenderState.state.lights;\n\t\t\tconst shadowsArray = currentRenderState.state.shadowsArray;\n\n\t\t\tconst lightsStateVersion = lights.state.version;\n\n\t\t\tconst parameters = programCache.getParameters( material, lights.state, shadowsArray, scene, object );\n\t\t\tconst programCacheKey = programCache.getProgramCacheKey( parameters );\n\n\t\t\tlet programs = materialProperties.programs;\n\n\t\t\t// always update environment and fog - changing these trigger an getProgram call, but it's possible that the program doesn't change\n\n\t\t\tmaterialProperties.environment = material.isMeshStandardMaterial ? scene.environment : null;\n\t\t\tmaterialProperties.fog = scene.fog;\n\t\t\tmaterialProperties.envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || materialProperties.environment );\n\t\t\tmaterialProperties.envMapRotation = ( materialProperties.environment !== null && material.envMap === null ) ? scene.environmentRotation : material.envMapRotation;\n\n\t\t\tif ( programs === undefined ) {\n\n\t\t\t\t// new material\n\n\t\t\t\tmaterial.addEventListener( 'dispose', onMaterialDispose );\n\n\t\t\t\tprograms = new Map();\n\t\t\t\tmaterialProperties.programs = programs;\n\n\t\t\t}\n\n\t\t\tlet program = programs.get( programCacheKey );\n\n\t\t\tif ( program !== undefined ) {\n\n\t\t\t\t// early out if program and light state is identical\n\n\t\t\t\tif ( materialProperties.currentProgram === program && materialProperties.lightsStateVersion === lightsStateVersion ) {\n\n\t\t\t\t\tupdateCommonMaterialProperties( material, parameters );\n\n\t\t\t\t\treturn program;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tparameters.uniforms = programCache.getUniforms( material );\n\n\t\t\t\tmaterial.onBeforeCompile( parameters, _this );\n\n\t\t\t\tprogram = programCache.acquireProgram( parameters, programCacheKey );\n\t\t\t\tprograms.set( programCacheKey, program );\n\n\t\t\t\tmaterialProperties.uniforms = parameters.uniforms;\n\n\t\t\t}\n\n\t\t\tconst uniforms = materialProperties.uniforms;\n\n\t\t\tif ( ( ! material.isShaderMaterial && ! material.isRawShaderMaterial ) || material.clipping === true ) {\n\n\t\t\t\tuniforms.clippingPlanes = clipping.uniform;\n\n\t\t\t}\n\n\t\t\tupdateCommonMaterialProperties( material, parameters );\n\n\t\t\t// store the light setup it was created for\n\n\t\t\tmaterialProperties.needsLights = materialNeedsLights( material );\n\t\t\tmaterialProperties.lightsStateVersion = lightsStateVersion;\n\n\t\t\tif ( materialProperties.needsLights ) {\n\n\t\t\t\t// wire up the material to this renderer's lighting state\n\n\t\t\t\tuniforms.ambientLightColor.value = lights.state.ambient;\n\t\t\t\tuniforms.lightProbe.value = lights.state.probe;\n\t\t\t\tuniforms.directionalLights.value = lights.state.directional;\n\t\t\t\tuniforms.directionalLightShadows.value = lights.state.directionalShadow;\n\t\t\t\tuniforms.spotLights.value = lights.state.spot;\n\t\t\t\tuniforms.spotLightShadows.value = lights.state.spotShadow;\n\t\t\t\tuniforms.rectAreaLights.value = lights.state.rectArea;\n\t\t\t\tuniforms.ltc_1.value = lights.state.rectAreaLTC1;\n\t\t\t\tuniforms.ltc_2.value = lights.state.rectAreaLTC2;\n\t\t\t\tuniforms.pointLights.value = lights.state.point;\n\t\t\t\tuniforms.pointLightShadows.value = lights.state.pointShadow;\n\t\t\t\tuniforms.hemisphereLights.value = lights.state.hemi;\n\n\t\t\t\tuniforms.directionalShadowMap.value = lights.state.directionalShadowMap;\n\t\t\t\tuniforms.directionalShadowMatrix.value = lights.state.directionalShadowMatrix;\n\t\t\t\tuniforms.spotShadowMap.value = lights.state.spotShadowMap;\n\t\t\t\tuniforms.spotLightMatrix.value = lights.state.spotLightMatrix;\n\t\t\t\tuniforms.spotLightMap.value = lights.state.spotLightMap;\n\t\t\t\tuniforms.pointShadowMap.value = lights.state.pointShadowMap;\n\t\t\t\tuniforms.pointShadowMatrix.value = lights.state.pointShadowMatrix;\n\t\t\t\t// TODO (abelnation): add area lights shadow info to uniforms\n\n\t\t\t}\n\n\t\t\tmaterialProperties.currentProgram = program;\n\t\t\tmaterialProperties.uniformsList = null;\n\n\t\t\treturn program;\n\n\t\t}\n\n\t\tfunction getUniformList( materialProperties ) {\n\n\t\t\tif ( materialProperties.uniformsList === null ) {\n\n\t\t\t\tconst progUniforms = materialProperties.currentProgram.getUniforms();\n\t\t\t\tmaterialProperties.uniformsList = WebGLUniforms.seqWithValue( progUniforms.seq, materialProperties.uniforms );\n\n\t\t\t}\n\n\t\t\treturn materialProperties.uniformsList;\n\n\t\t}\n\n\t\tfunction updateCommonMaterialProperties( material, parameters ) {\n\n\t\t\tconst materialProperties = properties.get( material );\n\n\t\t\tmaterialProperties.outputColorSpace = parameters.outputColorSpace;\n\t\t\tmaterialProperties.batching = parameters.batching;\n\t\t\tmaterialProperties.batchingColor = parameters.batchingColor;\n\t\t\tmaterialProperties.instancing = parameters.instancing;\n\t\t\tmaterialProperties.instancingColor = parameters.instancingColor;\n\t\t\tmaterialProperties.instancingMorph = parameters.instancingMorph;\n\t\t\tmaterialProperties.skinning = parameters.skinning;\n\t\t\tmaterialProperties.morphTargets = parameters.morphTargets;\n\t\t\tmaterialProperties.morphNormals = parameters.morphNormals;\n\t\t\tmaterialProperties.morphColors = parameters.morphColors;\n\t\t\tmaterialProperties.morphTargetsCount = parameters.morphTargetsCount;\n\t\t\tmaterialProperties.numClippingPlanes = parameters.numClippingPlanes;\n\t\t\tmaterialProperties.numIntersection = parameters.numClipIntersection;\n\t\t\tmaterialProperties.vertexAlphas = parameters.vertexAlphas;\n\t\t\tmaterialProperties.vertexTangents = parameters.vertexTangents;\n\t\t\tmaterialProperties.toneMapping = parameters.toneMapping;\n\n\t\t}\n\n\t\tfunction setProgram( camera, scene, geometry, material, object ) {\n\n\t\t\tif ( scene.isScene !== true ) scene = _emptyScene; // scene could be a Mesh, Line, Points, ...\n\n\t\t\ttextures.resetTextureUnits();\n\n\t\t\tconst fog = scene.fog;\n\t\t\tconst environment = material.isMeshStandardMaterial ? scene.environment : null;\n\t\t\tconst colorSpace = ( _currentRenderTarget === null ) ? _this.outputColorSpace : ( _currentRenderTarget.isXRRenderTarget === true ? _currentRenderTarget.texture.colorSpace : LinearSRGBColorSpace );\n\t\t\tconst envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || environment );\n\t\t\tconst vertexAlphas = material.vertexColors === true && !! geometry.attributes.color && geometry.attributes.color.itemSize === 4;\n\t\t\tconst vertexTangents = !! geometry.attributes.tangent && ( !! material.normalMap || material.anisotropy > 0 );\n\t\t\tconst morphTargets = !! geometry.morphAttributes.position;\n\t\t\tconst morphNormals = !! geometry.morphAttributes.normal;\n\t\t\tconst morphColors = !! geometry.morphAttributes.color;\n\n\t\t\tlet toneMapping = NoToneMapping;\n\n\t\t\tif ( material.toneMapped ) {\n\n\t\t\t\tif ( _currentRenderTarget === null || _currentRenderTarget.isXRRenderTarget === true ) {\n\n\t\t\t\t\ttoneMapping = _this.toneMapping;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color;\n\t\t\tconst morphTargetsCount = ( morphAttribute !== undefined ) ? morphAttribute.length : 0;\n\n\t\t\tconst materialProperties = properties.get( material );\n\t\t\tconst lights = currentRenderState.state.lights;\n\n\t\t\tif ( _clippingEnabled === true ) {\n\n\t\t\t\tif ( _localClippingEnabled === true || camera !== _currentCamera ) {\n\n\t\t\t\t\tconst useCache =\n\t\t\t\t\t\tcamera === _currentCamera &&\n\t\t\t\t\t\tmaterial.id === _currentMaterialId;\n\n\t\t\t\t\t// we might want to call this function with some ClippingGroup\n\t\t\t\t\t// object instead of the material, once it becomes feasible\n\t\t\t\t\t// (#8465, #8379)\n\t\t\t\t\tclipping.setState( material, camera, useCache );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tlet needsProgramChange = false;\n\n\t\t\tif ( material.version === materialProperties.__version ) {\n\n\t\t\t\tif ( materialProperties.needsLights && ( materialProperties.lightsStateVersion !== lights.state.version ) ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.outputColorSpace !== colorSpace ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isBatchedMesh && materialProperties.batching === false ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( ! object.isBatchedMesh && materialProperties.batching === true ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isBatchedMesh && materialProperties.batchingColor === true && object.colorTexture === null ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isBatchedMesh && materialProperties.batchingColor === false && object.colorTexture !== null ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isInstancedMesh && materialProperties.instancing === false ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( ! object.isInstancedMesh && materialProperties.instancing === true ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isSkinnedMesh && materialProperties.skinning === false ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( ! object.isSkinnedMesh && materialProperties.skinning === true ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isInstancedMesh && materialProperties.instancingColor === true && object.instanceColor === null ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isInstancedMesh && materialProperties.instancingColor === false && object.instanceColor !== null ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isInstancedMesh && materialProperties.instancingMorph === true && object.morphTexture === null ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( object.isInstancedMesh && materialProperties.instancingMorph === false && object.morphTexture !== null ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.envMap !== envMap ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( material.fog === true && materialProperties.fog !== fog ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.numClippingPlanes !== undefined &&\n\t\t\t\t\t( materialProperties.numClippingPlanes !== clipping.numPlanes ||\n\t\t\t\t\tmaterialProperties.numIntersection !== clipping.numIntersection ) ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.vertexAlphas !== vertexAlphas ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.vertexTangents !== vertexTangents ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.morphTargets !== morphTargets ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.morphNormals !== morphNormals ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.morphColors !== morphColors ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.toneMapping !== toneMapping ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t} else if ( materialProperties.morphTargetsCount !== morphTargetsCount ) {\n\n\t\t\t\t\tneedsProgramChange = true;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tneedsProgramChange = true;\n\t\t\t\tmaterialProperties.__version = material.version;\n\n\t\t\t}\n\n\t\t\t//\n\n\t\t\tlet program = materialProperties.currentProgram;\n\n\t\t\tif ( needsProgramChange === true ) {\n\n\t\t\t\tprogram = getProgram( material, scene, object );\n\n\t\t\t}\n\n\t\t\tlet refreshProgram = false;\n\t\t\tlet refreshMaterial = false;\n\t\t\tlet refreshLights = false;\n\n\t\t\tconst p_uniforms = program.getUniforms(),\n\t\t\t\tm_uniforms = materialProperties.uniforms;\n\n\t\t\tif ( state.useProgram( program.program ) ) {\n\n\t\t\t\trefreshProgram = true;\n\t\t\t\trefreshMaterial = true;\n\t\t\t\trefreshLights = true;\n\n\t\t\t}\n\n\t\t\tif ( material.id !== _currentMaterialId ) {\n\n\t\t\t\t_currentMaterialId = material.id;\n\n\t\t\t\trefreshMaterial = true;\n\n\t\t\t}\n\n\t\t\tif ( refreshProgram || _currentCamera !== camera ) {\n\n\t\t\t\t// common camera uniforms\n\n\t\t\t\tconst reverseDepthBuffer = state.buffers.depth.getReversed();\n\n\t\t\t\tif ( reverseDepthBuffer ) {\n\n\t\t\t\t\t_currentProjectionMatrix.copy( camera.projectionMatrix );\n\n\t\t\t\t\ttoNormalizedProjectionMatrix( _currentProjectionMatrix );\n\t\t\t\t\ttoReversedProjectionMatrix( _currentProjectionMatrix );\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'projectionMatrix', _currentProjectionMatrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'projectionMatrix', camera.projectionMatrix );\n\n\t\t\t\t}\n\n\t\t\t\tp_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse );\n\n\t\t\t\tconst uCamPos = p_uniforms.map.cameraPosition;\n\n\t\t\t\tif ( uCamPos !== undefined ) {\n\n\t\t\t\t\tuCamPos.setValue( _gl, _vector3.setFromMatrixPosition( camera.matrixWorld ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( capabilities.logarithmicDepthBuffer ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'logDepthBufFC',\n\t\t\t\t\t\t2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) );\n\n\t\t\t\t}\n\n\t\t\t\t// consider moving isOrthographic to UniformLib and WebGLMaterials, see https://github.com/mrdoob/three.js/pull/26467#issuecomment-1645185067\n\n\t\t\t\tif ( material.isMeshPhongMaterial ||\n\t\t\t\t\tmaterial.isMeshToonMaterial ||\n\t\t\t\t\tmaterial.isMeshLambertMaterial ||\n\t\t\t\t\tmaterial.isMeshBasicMaterial ||\n\t\t\t\t\tmaterial.isMeshStandardMaterial ||\n\t\t\t\t\tmaterial.isShaderMaterial ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'isOrthographic', camera.isOrthographicCamera === true );\n\n\t\t\t\t}\n\n\t\t\t\tif ( _currentCamera !== camera ) {\n\n\t\t\t\t\t_currentCamera = camera;\n\n\t\t\t\t\t// lighting uniforms depend on the camera so enforce an update\n\t\t\t\t\t// now, in case this material supports lights - or later, when\n\t\t\t\t\t// the next material that does gets activated:\n\n\t\t\t\t\trefreshMaterial = true;\t\t// set to true on material change\n\t\t\t\t\trefreshLights = true;\t\t// remains set until update done\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// skinning and morph target uniforms must be set even if material didn't change\n\t\t\t// auto-setting of texture unit for bone and morph texture must go before other textures\n\t\t\t// otherwise textures used for skinning and morphing can take over texture units reserved for other material textures\n\n\t\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrix' );\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'bindMatrixInverse' );\n\n\t\t\t\tconst skeleton = object.skeleton;\n\n\t\t\t\tif ( skeleton ) {\n\n\t\t\t\t\tif ( skeleton.boneTexture === null ) skeleton.computeBoneTexture();\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'boneTexture', skeleton.boneTexture, textures );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( object.isBatchedMesh ) {\n\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'batchingTexture' );\n\t\t\t\tp_uniforms.setValue( _gl, 'batchingTexture', object._matricesTexture, textures );\n\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'batchingIdTexture' );\n\t\t\t\tp_uniforms.setValue( _gl, 'batchingIdTexture', object._indirectTexture, textures );\n\n\t\t\t\tp_uniforms.setOptional( _gl, object, 'batchingColorTexture' );\n\t\t\t\tif ( object._colorsTexture !== null ) {\n\n\t\t\t\t\tp_uniforms.setValue( _gl, 'batchingColorTexture', object._colorsTexture, textures );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst morphAttributes = geometry.morphAttributes;\n\n\t\t\tif ( morphAttributes.position !== undefined || morphAttributes.normal !== undefined || ( morphAttributes.color !== undefined ) ) {\n\n\t\t\t\tmorphtargets.update( object, geometry, program );\n\n\t\t\t}\n\n\t\t\tif ( refreshMaterial || materialProperties.receiveShadow !== object.receiveShadow ) {\n\n\t\t\t\tmaterialProperties.receiveShadow = object.receiveShadow;\n\t\t\t\tp_uniforms.setValue( _gl, 'receiveShadow', object.receiveShadow );\n\n\t\t\t}\n\n\t\t\t// https://github.com/mrdoob/three.js/pull/24467#issuecomment-1209031512\n\n\t\t\tif ( material.isMeshGouraudMaterial && material.envMap !== null ) {\n\n\t\t\t\tm_uniforms.envMap.value = envMap;\n\n\t\t\t\tm_uniforms.flipEnvMap.value = ( envMap.isCubeTexture && envMap.isRenderTargetTexture === false ) ? - 1 : 1;\n\n\t\t\t}\n\n\t\t\tif ( material.isMeshStandardMaterial && material.envMap === null && scene.environment !== null ) {\n\n\t\t\t\tm_uniforms.envMapIntensity.value = scene.environmentIntensity;\n\n\t\t\t}\n\n\t\t\tif ( refreshMaterial ) {\n\n\t\t\t\tp_uniforms.setValue( _gl, 'toneMappingExposure', _this.toneMappingExposure );\n\n\t\t\t\tif ( materialProperties.needsLights ) {\n\n\t\t\t\t\t// the current material requires lighting info\n\n\t\t\t\t\t// note: all lighting uniforms are always set correctly\n\t\t\t\t\t// they simply reference the renderer's state for their\n\t\t\t\t\t// values\n\t\t\t\t\t//\n\t\t\t\t\t// use the current material's .needsUpdate flags to set\n\t\t\t\t\t// the GL state when required\n\n\t\t\t\t\tmarkUniformsLightsNeedsUpdate( m_uniforms, refreshLights );\n\n\t\t\t\t}\n\n\t\t\t\t// refresh uniforms common to several materials\n\n\t\t\t\tif ( fog && material.fog === true ) {\n\n\t\t\t\t\tmaterials.refreshFogUniforms( m_uniforms, fog );\n\n\t\t\t\t}\n\n\t\t\t\tmaterials.refreshMaterialUniforms( m_uniforms, material, _pixelRatio, _height, currentRenderState.state.transmissionRenderTarget[ camera.id ] );\n\n\t\t\t\tWebGLUniforms.upload( _gl, getUniformList( materialProperties ), m_uniforms, textures );\n\n\t\t\t}\n\n\t\t\tif ( material.isShaderMaterial && material.uniformsNeedUpdate === true ) {\n\n\t\t\t\tWebGLUniforms.upload( _gl, getUniformList( materialProperties ), m_uniforms, textures );\n\t\t\t\tmaterial.uniformsNeedUpdate = false;\n\n\t\t\t}\n\n\t\t\tif ( material.isSpriteMaterial ) {\n\n\t\t\t\tp_uniforms.setValue( _gl, 'center', object.center );\n\n\t\t\t}\n\n\t\t\t// common matrices\n\n\t\t\tp_uniforms.setValue( _gl, 'modelViewMatrix', object.modelViewMatrix );\n\t\t\tp_uniforms.setValue( _gl, 'normalMatrix', object.normalMatrix );\n\t\t\tp_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld );\n\n\t\t\t// UBOs\n\n\t\t\tif ( material.isShaderMaterial || material.isRawShaderMaterial ) {\n\n\t\t\t\tconst groups = material.uniformsGroups;\n\n\t\t\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\t\t\tconst group = groups[ i ];\n\n\t\t\t\t\tuniformsGroups.update( group, program );\n\t\t\t\t\tuniformsGroups.bind( group, program );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn program;\n\n\t\t}\n\n\t\t// If uniforms are marked as clean, they don't need to be loaded to the GPU.\n\n\t\tfunction markUniformsLightsNeedsUpdate( uniforms, value ) {\n\n\t\t\tuniforms.ambientLightColor.needsUpdate = value;\n\t\t\tuniforms.lightProbe.needsUpdate = value;\n\n\t\t\tuniforms.directionalLights.needsUpdate = value;\n\t\t\tuniforms.directionalLightShadows.needsUpdate = value;\n\t\t\tuniforms.pointLights.needsUpdate = value;\n\t\t\tuniforms.pointLightShadows.needsUpdate = value;\n\t\t\tuniforms.spotLights.needsUpdate = value;\n\t\t\tuniforms.spotLightShadows.needsUpdate = value;\n\t\t\tuniforms.rectAreaLights.needsUpdate = value;\n\t\t\tuniforms.hemisphereLights.needsUpdate = value;\n\n\t\t}\n\n\t\tfunction materialNeedsLights( material ) {\n\n\t\t\treturn material.isMeshLambertMaterial || material.isMeshToonMaterial || material.isMeshPhongMaterial ||\n\t\t\t\tmaterial.isMeshStandardMaterial || material.isShadowMaterial ||\n\t\t\t\t( material.isShaderMaterial && material.lights === true );\n\n\t\t}\n\n\t\tthis.getActiveCubeFace = function () {\n\n\t\t\treturn _currentActiveCubeFace;\n\n\t\t};\n\n\t\tthis.getActiveMipmapLevel = function () {\n\n\t\t\treturn _currentActiveMipmapLevel;\n\n\t\t};\n\n\t\tthis.getRenderTarget = function () {\n\n\t\t\treturn _currentRenderTarget;\n\n\t\t};\n\n\t\tthis.setRenderTargetTextures = function ( renderTarget, colorTexture, depthTexture ) {\n\n\t\t\tproperties.get( renderTarget.texture ).__webglTexture = colorTexture;\n\t\t\tproperties.get( renderTarget.depthTexture ).__webglTexture = depthTexture;\n\n\t\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\t\trenderTargetProperties.__hasExternalTextures = true;\n\n\t\t\trenderTargetProperties.__autoAllocateDepthBuffer = depthTexture === undefined;\n\n\t\t\tif ( ! renderTargetProperties.__autoAllocateDepthBuffer ) {\n\n\t\t\t\t// The multisample_render_to_texture extension doesn't work properly if there\n\t\t\t\t// are midframe flushes and an external depth buffer. Disable use of the extension.\n\t\t\t\tif ( extensions.has( 'WEBGL_multisampled_render_to_texture' ) === true ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.WebGLRenderer: Render-to-texture extension was disabled because an external texture was provided' );\n\t\t\t\t\trenderTargetProperties.__useRenderToTexture = false;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.setRenderTargetFramebuffer = function ( renderTarget, defaultFramebuffer ) {\n\n\t\t\tconst renderTargetProperties = properties.get( renderTarget );\n\t\t\trenderTargetProperties.__webglFramebuffer = defaultFramebuffer;\n\t\t\trenderTargetProperties.__useDefaultFramebuffer = defaultFramebuffer === undefined;\n\n\t\t};\n\n\t\tconst _scratchFrameBuffer = _gl.createFramebuffer();\n\t\tthis.setRenderTarget = function ( renderTarget, activeCubeFace = 0, activeMipmapLevel = 0 ) {\n\n\t\t\t_currentRenderTarget = renderTarget;\n\t\t\t_currentActiveCubeFace = activeCubeFace;\n\t\t\t_currentActiveMipmapLevel = activeMipmapLevel;\n\n\t\t\tlet useDefaultFramebuffer = true;\n\t\t\tlet framebuffer = null;\n\t\t\tlet isCube = false;\n\t\t\tlet isRenderTarget3D = false;\n\n\t\t\tif ( renderTarget ) {\n\n\t\t\t\tconst renderTargetProperties = properties.get( renderTarget );\n\n\t\t\t\tif ( renderTargetProperties.__useDefaultFramebuffer !== undefined ) {\n\n\t\t\t\t\t// We need to make sure to rebind the framebuffer.\n\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, null );\n\t\t\t\t\tuseDefaultFramebuffer = false;\n\n\t\t\t\t} else if ( renderTargetProperties.__webglFramebuffer === undefined ) {\n\n\t\t\t\t\ttextures.setupRenderTarget( renderTarget );\n\n\t\t\t\t} else if ( renderTargetProperties.__hasExternalTextures ) {\n\n\t\t\t\t\t// Color and depth texture must be rebound in order for the swapchain to update.\n\t\t\t\t\ttextures.rebindTextures( renderTarget, properties.get( renderTarget.texture ).__webglTexture, properties.get( renderTarget.depthTexture ).__webglTexture );\n\n\t\t\t\t} else if ( renderTarget.depthBuffer ) {\n\n\t\t\t\t\t// check if the depth texture is already bound to the frame buffer and that it's been initialized\n\t\t\t\t\tconst depthTexture = renderTarget.depthTexture;\n\t\t\t\t\tif ( renderTargetProperties.__boundDepthTexture !== depthTexture ) {\n\n\t\t\t\t\t\t// check if the depth texture is compatible\n\t\t\t\t\t\tif (\n\t\t\t\t\t\t\tdepthTexture !== null &&\n\t\t\t\t\t\t\tproperties.has( depthTexture ) &&\n\t\t\t\t\t\t\t( renderTarget.width !== depthTexture.image.width || renderTarget.height !== depthTexture.image.height )\n\t\t\t\t\t\t) {\n\n\t\t\t\t\t\t\tthrow new Error( 'WebGLRenderTarget: Attached DepthTexture is initialized to the incorrect size.' );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// Swap the depth buffer to the currently attached one\n\t\t\t\t\t\ttextures.setupDepthRenderbuffer( renderTarget );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tconst texture = renderTarget.texture;\n\n\t\t\t\tif ( texture.isData3DTexture || texture.isDataArrayTexture || texture.isCompressedArrayTexture ) {\n\n\t\t\t\t\tisRenderTarget3D = true;\n\n\t\t\t\t}\n\n\t\t\t\tconst __webglFramebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\t\t\tif ( renderTarget.isWebGLCubeRenderTarget ) {\n\n\t\t\t\t\tif ( Array.isArray( __webglFramebuffer[ activeCubeFace ] ) ) {\n\n\t\t\t\t\t\tframebuffer = __webglFramebuffer[ activeCubeFace ][ activeMipmapLevel ];\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tframebuffer = __webglFramebuffer[ activeCubeFace ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\tisCube = true;\n\n\t\t\t\t} else if ( ( renderTarget.samples > 0 ) && textures.useMultisampledRTT( renderTarget ) === false ) {\n\n\t\t\t\t\tframebuffer = properties.get( renderTarget ).__webglMultisampledFramebuffer;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( Array.isArray( __webglFramebuffer ) ) {\n\n\t\t\t\t\t\tframebuffer = __webglFramebuffer[ activeMipmapLevel ];\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tframebuffer = __webglFramebuffer;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t_currentViewport.copy( renderTarget.viewport );\n\t\t\t\t_currentScissor.copy( renderTarget.scissor );\n\t\t\t\t_currentScissorTest = renderTarget.scissorTest;\n\n\t\t\t} else {\n\n\t\t\t\t_currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).floor();\n\t\t\t\t_currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).floor();\n\t\t\t\t_currentScissorTest = _scissorTest;\n\n\t\t\t}\n\n\t\t\t// Use a scratch frame buffer if rendering to a mip level to avoid depth buffers\n\t\t\t// being bound that are different sizes.\n\t\t\tif ( activeMipmapLevel !== 0 ) {\n\n\t\t\t\tframebuffer = _scratchFrameBuffer;\n\n\t\t\t}\n\n\t\t\tconst framebufferBound = state.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\tif ( framebufferBound && useDefaultFramebuffer ) {\n\n\t\t\t\tstate.drawBuffers( renderTarget, framebuffer );\n\n\t\t\t}\n\n\t\t\tstate.viewport( _currentViewport );\n\t\t\tstate.scissor( _currentScissor );\n\t\t\tstate.setScissorTest( _currentScissorTest );\n\n\t\t\tif ( isCube ) {\n\n\t\t\t\tconst textureProperties = properties.get( renderTarget.texture );\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + activeCubeFace, textureProperties.__webglTexture, activeMipmapLevel );\n\n\t\t\t} else if ( isRenderTarget3D ) {\n\n\t\t\t\tconst textureProperties = properties.get( renderTarget.texture );\n\t\t\t\tconst layer = activeCubeFace;\n\t\t\t\t_gl.framebufferTextureLayer( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, textureProperties.__webglTexture, activeMipmapLevel, layer );\n\n\t\t\t} else if ( renderTarget !== null && activeMipmapLevel !== 0 ) {\n\n\t\t\t\t// Only bind the frame buffer if we are using a scratch frame buffer to render to a mipmap.\n\t\t\t\t// If we rebind the texture when using a multi sample buffer then an error about inconsistent samples will be thrown.\n\t\t\t\tconst textureProperties = properties.get( renderTarget.texture );\n\t\t\t\t_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, textureProperties.__webglTexture, activeMipmapLevel );\n\n\t\t\t}\n\n\t\t\t_currentMaterialId = - 1; // reset current material to ensure correct uniform bindings\n\n\t\t};\n\n\t\tthis.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer, activeCubeFaceIndex ) {\n\n\t\t\tif ( ! ( renderTarget && renderTarget.isWebGLRenderTarget ) ) {\n\n\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tlet framebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\n\t\t\tif ( renderTarget.isWebGLCubeRenderTarget && activeCubeFaceIndex !== undefined ) {\n\n\t\t\t\tframebuffer = framebuffer[ activeCubeFaceIndex ];\n\n\t\t\t}\n\n\t\t\tif ( framebuffer ) {\n\n\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\t\ttry {\n\n\t\t\t\t\tconst texture = renderTarget.texture;\n\t\t\t\t\tconst textureFormat = texture.format;\n\t\t\t\t\tconst textureType = texture.type;\n\n\t\t\t\t\tif ( ! capabilities.textureFormatReadable( textureFormat ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! capabilities.textureTypeReadable( textureType ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604)\n\n\t\t\t\t\tif ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) {\n\n\t\t\t\t\t\t_gl.readPixels( x, y, width, height, utils.convert( textureFormat ), utils.convert( textureType ), buffer );\n\n\t\t\t\t\t}\n\n\t\t\t\t} finally {\n\n\t\t\t\t\t// restore framebuffer of current render target if necessary\n\n\t\t\t\t\tconst framebuffer = ( _currentRenderTarget !== null ) ? properties.get( _currentRenderTarget ).__webglFramebuffer : null;\n\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.readRenderTargetPixelsAsync = async function ( renderTarget, x, y, width, height, buffer, activeCubeFaceIndex ) {\n\n\t\t\tif ( ! ( renderTarget && renderTarget.isWebGLRenderTarget ) ) {\n\n\t\t\t\tthrow new Error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' );\n\n\t\t\t}\n\n\t\t\tlet framebuffer = properties.get( renderTarget ).__webglFramebuffer;\n\t\t\tif ( renderTarget.isWebGLCubeRenderTarget && activeCubeFaceIndex !== undefined ) {\n\n\t\t\t\tframebuffer = framebuffer[ activeCubeFaceIndex ];\n\n\t\t\t}\n\n\t\t\tif ( framebuffer ) {\n\n\t\t\t\tconst texture = renderTarget.texture;\n\t\t\t\tconst textureFormat = texture.format;\n\t\t\t\tconst textureType = texture.type;\n\n\t\t\t\tif ( ! capabilities.textureFormatReadable( textureFormat ) ) {\n\n\t\t\t\t\tthrow new Error( 'THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in RGBA or implementation defined format.' );\n\n\t\t\t\t}\n\n\t\t\t\tif ( ! capabilities.textureTypeReadable( textureType ) ) {\n\n\t\t\t\t\tthrow new Error( 'THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in UnsignedByteType or implementation defined type.' );\n\n\t\t\t\t}\n\n\t\t\t\t// the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604)\n\t\t\t\tif ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) {\n\n\t\t\t\t\t// set the active frame buffer to the one we want to read\n\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer );\n\n\t\t\t\t\tconst glBuffer = _gl.createBuffer();\n\t\t\t\t\t_gl.bindBuffer( _gl.PIXEL_PACK_BUFFER, glBuffer );\n\t\t\t\t\t_gl.bufferData( _gl.PIXEL_PACK_BUFFER, buffer.byteLength, _gl.STREAM_READ );\n\t\t\t\t\t_gl.readPixels( x, y, width, height, utils.convert( textureFormat ), utils.convert( textureType ), 0 );\n\n\t\t\t\t\t// reset the frame buffer to the currently set buffer before waiting\n\t\t\t\t\tconst currFramebuffer = _currentRenderTarget !== null ? properties.get( _currentRenderTarget ).__webglFramebuffer : null;\n\t\t\t\t\tstate.bindFramebuffer( _gl.FRAMEBUFFER, currFramebuffer );\n\n\t\t\t\t\t// check if the commands have finished every 8 ms\n\t\t\t\t\tconst sync = _gl.fenceSync( _gl.SYNC_GPU_COMMANDS_COMPLETE, 0 );\n\n\t\t\t\t\t_gl.flush();\n\n\t\t\t\t\tawait probeAsync( _gl, sync, 4 );\n\n\t\t\t\t\t// read the data and delete the buffer\n\t\t\t\t\t_gl.bindBuffer( _gl.PIXEL_PACK_BUFFER, glBuffer );\n\t\t\t\t\t_gl.getBufferSubData( _gl.PIXEL_PACK_BUFFER, 0, buffer );\n\t\t\t\t\t_gl.deleteBuffer( glBuffer );\n\t\t\t\t\t_gl.deleteSync( sync );\n\n\t\t\t\t\treturn buffer;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new Error( 'THREE.WebGLRenderer.readRenderTargetPixelsAsync: requested read bounds are out of range.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.copyFramebufferToTexture = function ( texture, position = null, level = 0 ) {\n\n\t\t\t// support previous signature with position first\n\t\t\tif ( texture.isTexture !== true ) {\n\n\t\t\t\t// @deprecated, r165\n\t\t\t\twarnOnce( 'WebGLRenderer: copyFramebufferToTexture function signature has changed.' );\n\n\t\t\t\tposition = arguments[ 0 ] || null;\n\t\t\t\ttexture = arguments[ 1 ];\n\n\t\t\t}\n\n\t\t\tconst levelScale = Math.pow( 2, - level );\n\t\t\tconst width = Math.floor( texture.image.width * levelScale );\n\t\t\tconst height = Math.floor( texture.image.height * levelScale );\n\n\t\t\tconst x = position !== null ? position.x : 0;\n\t\t\tconst y = position !== null ? position.y : 0;\n\n\t\t\ttextures.setTexture2D( texture, 0 );\n\n\t\t\t_gl.copyTexSubImage2D( _gl.TEXTURE_2D, level, 0, 0, x, y, width, height );\n\n\t\t\tstate.unbindTexture();\n\n\t\t};\n\n\t\tconst _srcFramebuffer = _gl.createFramebuffer();\n\t\tconst _dstFramebuffer = _gl.createFramebuffer();\n\t\tthis.copyTextureToTexture = function ( srcTexture, dstTexture, srcRegion = null, dstPosition = null, srcLevel = 0, dstLevel = null ) {\n\n\t\t\t// support previous signature with dstPosition first\n\t\t\tif ( srcTexture.isTexture !== true ) {\n\n\t\t\t\t// @deprecated, r165\n\t\t\t\twarnOnce( 'WebGLRenderer: copyTextureToTexture function signature has changed.' );\n\n\t\t\t\tdstPosition = arguments[ 0 ] || null;\n\t\t\t\tsrcTexture = arguments[ 1 ];\n\t\t\t\tdstTexture = arguments[ 2 ];\n\t\t\t\tdstLevel = arguments[ 3 ] || 0;\n\t\t\t\tsrcRegion = null;\n\n\t\t\t}\n\n\t\t\t// support the previous signature with just a single dst mipmap level\n\t\t\tif ( dstLevel === null ) {\n\n\t\t\t\tif ( srcLevel !== 0 ) {\n\n\t\t\t\t\t// @deprecated, r171\n\t\t\t\t\twarnOnce( 'WebGLRenderer: copyTextureToTexture function signature has changed to support src and dst mipmap levels.' );\n\t\t\t\t\tdstLevel = srcLevel;\n\t\t\t\t\tsrcLevel = 0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tdstLevel = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// gather the necessary dimensions to copy\n\t\t\tlet width, height, depth, minX, minY, minZ;\n\t\t\tlet dstX, dstY, dstZ;\n\t\t\tconst image = srcTexture.isCompressedTexture ? srcTexture.mipmaps[ dstLevel ] : srcTexture.image;\n\t\t\tif ( srcRegion !== null ) {\n\n\t\t\t\twidth = srcRegion.max.x - srcRegion.min.x;\n\t\t\t\theight = srcRegion.max.y - srcRegion.min.y;\n\t\t\t\tdepth = srcRegion.isBox3 ? srcRegion.max.z - srcRegion.min.z : 1;\n\t\t\t\tminX = srcRegion.min.x;\n\t\t\t\tminY = srcRegion.min.y;\n\t\t\t\tminZ = srcRegion.isBox3 ? srcRegion.min.z : 0;\n\n\t\t\t} else {\n\n\t\t\t\tconst levelScale = Math.pow( 2, - srcLevel );\n\t\t\t\twidth = Math.floor( image.width * levelScale );\n\t\t\t\theight = Math.floor( image.height * levelScale );\n\t\t\t\tif ( srcTexture.isDataArrayTexture ) {\n\n\t\t\t\t\tdepth = image.depth;\n\n\t\t\t\t} else if ( srcTexture.isData3DTexture ) {\n\n\t\t\t\t\tdepth = Math.floor( image.depth * levelScale );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tdepth = 1;\n\n\t\t\t\t}\n\n\t\t\t\tminX = 0;\n\t\t\t\tminY = 0;\n\t\t\t\tminZ = 0;\n\n\t\t\t}\n\n\t\t\tif ( dstPosition !== null ) {\n\n\t\t\t\tdstX = dstPosition.x;\n\t\t\t\tdstY = dstPosition.y;\n\t\t\t\tdstZ = dstPosition.z;\n\n\t\t\t} else {\n\n\t\t\t\tdstX = 0;\n\t\t\t\tdstY = 0;\n\t\t\t\tdstZ = 0;\n\n\t\t\t}\n\n\t\t\t// Set up the destination target\n\t\t\tconst glFormat = utils.convert( dstTexture.format );\n\t\t\tconst glType = utils.convert( dstTexture.type );\n\t\t\tlet glTarget;\n\n\t\t\tif ( dstTexture.isData3DTexture ) {\n\n\t\t\t\ttextures.setTexture3D( dstTexture, 0 );\n\t\t\t\tglTarget = _gl.TEXTURE_3D;\n\n\t\t\t} else if ( dstTexture.isDataArrayTexture || dstTexture.isCompressedArrayTexture ) {\n\n\t\t\t\ttextures.setTexture2DArray( dstTexture, 0 );\n\t\t\t\tglTarget = _gl.TEXTURE_2D_ARRAY;\n\n\t\t\t} else {\n\n\t\t\t\ttextures.setTexture2D( dstTexture, 0 );\n\t\t\t\tglTarget = _gl.TEXTURE_2D;\n\n\t\t\t}\n\n\t\t\t_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, dstTexture.flipY );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, dstTexture.premultiplyAlpha );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ALIGNMENT, dstTexture.unpackAlignment );\n\n\t\t\t// used for copying data from cpu\n\t\t\tconst currentUnpackRowLen = _gl.getParameter( _gl.UNPACK_ROW_LENGTH );\n\t\t\tconst currentUnpackImageHeight = _gl.getParameter( _gl.UNPACK_IMAGE_HEIGHT );\n\t\t\tconst currentUnpackSkipPixels = _gl.getParameter( _gl.UNPACK_SKIP_PIXELS );\n\t\t\tconst currentUnpackSkipRows = _gl.getParameter( _gl.UNPACK_SKIP_ROWS );\n\t\t\tconst currentUnpackSkipImages = _gl.getParameter( _gl.UNPACK_SKIP_IMAGES );\n\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ROW_LENGTH, image.width );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_IMAGE_HEIGHT, image.height );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_PIXELS, minX );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_ROWS, minY );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_IMAGES, minZ );\n\n\t\t\t// set up the src texture\n\t\t\tconst isSrc3D = srcTexture.isDataArrayTexture || srcTexture.isData3DTexture;\n\t\t\tconst isDst3D = dstTexture.isDataArrayTexture || dstTexture.isData3DTexture;\n\t\t\tif ( srcTexture.isDepthTexture ) {\n\n\t\t\t\tconst srcTextureProperties = properties.get( srcTexture );\n\t\t\t\tconst dstTextureProperties = properties.get( dstTexture );\n\t\t\t\tconst srcRenderTargetProperties = properties.get( srcTextureProperties.__renderTarget );\n\t\t\t\tconst dstRenderTargetProperties = properties.get( dstTextureProperties.__renderTarget );\n\t\t\t\tstate.bindFramebuffer( _gl.READ_FRAMEBUFFER, srcRenderTargetProperties.__webglFramebuffer );\n\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, dstRenderTargetProperties.__webglFramebuffer );\n\n\t\t\t\tfor ( let i = 0; i < depth; i ++ ) {\n\n\t\t\t\t\t// if the source or destination are a 3d target then a layer needs to be bound\n\t\t\t\t\tif ( isSrc3D ) {\n\n\t\t\t\t\t\t_gl.framebufferTextureLayer( _gl.READ_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, properties.get( srcTexture ).__webglTexture, srcLevel, minZ + i );\n\t\t\t\t\t\t_gl.framebufferTextureLayer( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, properties.get( dstTexture ).__webglTexture, dstLevel, dstZ + i );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_gl.blitFramebuffer( minX, minY, width, height, dstX, dstY, width, height, _gl.DEPTH_BUFFER_BIT, _gl.NEAREST );\n\n\t\t\t\t}\n\n\t\t\t\tstate.bindFramebuffer( _gl.READ_FRAMEBUFFER, null );\n\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, null );\n\n\t\t\t} else if ( srcLevel !== 0 || srcTexture.isRenderTargetTexture || properties.has( srcTexture ) ) {\n\n\t\t\t\t// get the appropriate frame buffers\n\t\t\t\tconst srcTextureProperties = properties.get( srcTexture );\n\t\t\t\tconst dstTextureProperties = properties.get( dstTexture );\n\n\t\t\t\t// bind the frame buffer targets\n\t\t\t\tstate.bindFramebuffer( _gl.READ_FRAMEBUFFER, _srcFramebuffer );\n\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, _dstFramebuffer );\n\n\t\t\t\tfor ( let i = 0; i < depth; i ++ ) {\n\n\t\t\t\t\t// assign the correct layers and mip maps to the frame buffers\n\t\t\t\t\tif ( isSrc3D ) {\n\n\t\t\t\t\t\t_gl.framebufferTextureLayer( _gl.READ_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, srcTextureProperties.__webglTexture, srcLevel, minZ + i );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_gl.framebufferTexture2D( _gl.READ_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, srcTextureProperties.__webglTexture, srcLevel );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( isDst3D ) {\n\n\t\t\t\t\t\t_gl.framebufferTextureLayer( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, dstTextureProperties.__webglTexture, dstLevel, dstZ + i );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_gl.framebufferTexture2D( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, dstTextureProperties.__webglTexture, dstLevel );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// copy the data using the fastest function that can achieve the copy\n\t\t\t\t\tif ( srcLevel !== 0 ) {\n\n\t\t\t\t\t\t_gl.blitFramebuffer( minX, minY, width, height, dstX, dstY, width, height, _gl.COLOR_BUFFER_BIT, _gl.NEAREST );\n\n\t\t\t\t\t} else if ( isDst3D ) {\n\n\t\t\t\t\t\t_gl.copyTexSubImage3D( glTarget, dstLevel, dstX, dstY, dstZ + i, minX, minY, width, height );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_gl.copyTexSubImage2D( glTarget, dstLevel, dstX, dstY, minX, minY, width, height );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// unbind read, draw buffers\n\t\t\t\tstate.bindFramebuffer( _gl.READ_FRAMEBUFFER, null );\n\t\t\t\tstate.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, null );\n\n\t\t\t} else {\n\n\t\t\t\tif ( isDst3D ) {\n\n\t\t\t\t\t// copy data into the 3d texture\n\t\t\t\t\tif ( srcTexture.isDataTexture || srcTexture.isData3DTexture ) {\n\n\t\t\t\t\t\t_gl.texSubImage3D( glTarget, dstLevel, dstX, dstY, dstZ, width, height, depth, glFormat, glType, image.data );\n\n\t\t\t\t\t} else if ( dstTexture.isCompressedArrayTexture ) {\n\n\t\t\t\t\t\t_gl.compressedTexSubImage3D( glTarget, dstLevel, dstX, dstY, dstZ, width, height, depth, glFormat, image.data );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_gl.texSubImage3D( glTarget, dstLevel, dstX, dstY, dstZ, width, height, depth, glFormat, glType, image );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// copy data into the 2d texture\n\t\t\t\t\tif ( srcTexture.isDataTexture ) {\n\n\t\t\t\t\t\t_gl.texSubImage2D( _gl.TEXTURE_2D, dstLevel, dstX, dstY, width, height, glFormat, glType, image.data );\n\n\t\t\t\t\t} else if ( srcTexture.isCompressedTexture ) {\n\n\t\t\t\t\t\t_gl.compressedTexSubImage2D( _gl.TEXTURE_2D, dstLevel, dstX, dstY, image.width, image.height, glFormat, image.data );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_gl.texSubImage2D( _gl.TEXTURE_2D, dstLevel, dstX, dstY, width, height, glFormat, glType, image );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// reset values\n\t\t\t_gl.pixelStorei( _gl.UNPACK_ROW_LENGTH, currentUnpackRowLen );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_IMAGE_HEIGHT, currentUnpackImageHeight );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_PIXELS, currentUnpackSkipPixels );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_ROWS, currentUnpackSkipRows );\n\t\t\t_gl.pixelStorei( _gl.UNPACK_SKIP_IMAGES, currentUnpackSkipImages );\n\n\t\t\t// Generate mipmaps only when copying level 0\n\t\t\tif ( dstLevel === 0 && dstTexture.generateMipmaps ) {\n\n\t\t\t\t_gl.generateMipmap( glTarget );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t};\n\n\t\tthis.copyTextureToTexture3D = function ( srcTexture, dstTexture, srcRegion = null, dstPosition = null, level = 0 ) {\n\n\t\t\t// support previous signature with source box first\n\t\t\tif ( srcTexture.isTexture !== true ) {\n\n\t\t\t\t// @deprecated, r165\n\t\t\t\twarnOnce( 'WebGLRenderer: copyTextureToTexture3D function signature has changed.' );\n\n\t\t\t\tsrcRegion = arguments[ 0 ] || null;\n\t\t\t\tdstPosition = arguments[ 1 ] || null;\n\t\t\t\tsrcTexture = arguments[ 2 ];\n\t\t\t\tdstTexture = arguments[ 3 ];\n\t\t\t\tlevel = arguments[ 4 ] || 0;\n\n\t\t\t}\n\n\t\t\t// @deprecated, r170\n\t\t\twarnOnce( 'WebGLRenderer: copyTextureToTexture3D function has been deprecated. Use \"copyTextureToTexture\" instead.' );\n\n\t\t\treturn this.copyTextureToTexture( srcTexture, dstTexture, srcRegion, dstPosition, level );\n\n\t\t};\n\n\t\tthis.initRenderTarget = function ( target ) {\n\n\t\t\tif ( properties.get( target ).__webglFramebuffer === undefined ) {\n\n\t\t\t\ttextures.setupRenderTarget( target );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.initTexture = function ( texture ) {\n\n\t\t\tif ( texture.isCubeTexture ) {\n\n\t\t\t\ttextures.setTextureCube( texture, 0 );\n\n\t\t\t} else if ( texture.isData3DTexture ) {\n\n\t\t\t\ttextures.setTexture3D( texture, 0 );\n\n\t\t\t} else if ( texture.isDataArrayTexture || texture.isCompressedArrayTexture ) {\n\n\t\t\t\ttextures.setTexture2DArray( texture, 0 );\n\n\t\t\t} else {\n\n\t\t\t\ttextures.setTexture2D( texture, 0 );\n\n\t\t\t}\n\n\t\t\tstate.unbindTexture();\n\n\t\t};\n\n\t\tthis.resetState = function () {\n\n\t\t\t_currentActiveCubeFace = 0;\n\t\t\t_currentActiveMipmapLevel = 0;\n\t\t\t_currentRenderTarget = null;\n\n\t\t\tstate.reset();\n\t\t\tbindingStates.reset();\n\n\t\t};\n\n\t\tif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t\t\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) );\n\n\t\t}\n\n\t}\n\n\tget coordinateSystem() {\n\n\t\treturn WebGLCoordinateSystem;\n\n\t}\n\n\tget outputColorSpace() {\n\n\t\treturn this._outputColorSpace;\n\n\t}\n\n\tset outputColorSpace( colorSpace ) {\n\n\t\tthis._outputColorSpace = colorSpace;\n\n\t\tconst gl = this.getContext();\n\t\tgl.drawingBufferColorspace = ColorManagement._getDrawingBufferColorSpace( colorSpace );\n\t\tgl.unpackColorSpace = ColorManagement._getUnpackColorSpace();\n\n\t}\n\n}\n\nexport { ACESFilmicToneMapping, AddEquation, AddOperation, AdditiveBlending, AgXToneMapping, AlphaFormat, AlwaysCompare, AlwaysDepth, ArrayCamera, BackSide, BoxGeometry, BufferAttribute, BufferGeometry, ByteType, CineonToneMapping, ClampToEdgeWrapping, Color, ColorManagement, ConstantAlphaFactor, ConstantColorFactor, CubeReflectionMapping, CubeRefractionMapping, CubeTexture, CubeUVReflectionMapping, CullFaceBack, CullFaceFront, CullFaceNone, CustomBlending, CustomToneMapping, Data3DTexture, DataArrayTexture, DepthFormat, DepthStencilFormat, DepthTexture, DoubleSide, DstAlphaFactor, DstColorFactor, EqualCompare, EqualDepth, EquirectangularReflectionMapping, EquirectangularRefractionMapping, Euler, EventDispatcher, FloatType, FrontSide, Frustum, GLSL3, GreaterCompare, GreaterDepth, GreaterEqualCompare, GreaterEqualDepth, HalfFloatType, IntType, Layers, LessCompare, LessDepth, LessEqualCompare, LessEqualDepth, LinearFilter, LinearMipmapLinearFilter, LinearMipmapNearestFilter, LinearSRGBColorSpace, LinearToneMapping, LinearTransfer, LuminanceAlphaFormat, LuminanceFormat, Matrix3, Matrix4, MaxEquation, Mesh, MeshBasicMaterial, MeshDepthMaterial, MeshDistanceMaterial, MinEquation, MirroredRepeatWrapping, MixOperation, MultiplyBlending, MultiplyOperation, NearestFilter, NearestMipmapLinearFilter, NearestMipmapNearestFilter, NeutralToneMapping, NeverCompare, NeverDepth, NoBlending, NoColorSpace, NoToneMapping, NormalBlending, NotEqualCompare, NotEqualDepth, ObjectSpaceNormalMap, OneFactor, OneMinusConstantAlphaFactor, OneMinusConstantColorFactor, OneMinusDstAlphaFactor, OneMinusDstColorFactor, OneMinusSrcAlphaFactor, OneMinusSrcColorFactor, OrthographicCamera, PCFShadowMap, PCFSoftShadowMap, PMREMGenerator, PerspectiveCamera, Plane, PlaneGeometry, RED_GREEN_RGTC2_Format, RED_RGTC1_Format, REVISION, RGBADepthPacking, RGBAFormat, RGBAIntegerFormat, RGBA_ASTC_10x10_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_BPTC_Format, RGBA_ETC2_EAC_Format, RGBA_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGBFormat, RGB_BPTC_SIGNED_Format, RGB_BPTC_UNSIGNED_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGB_PVRTC_2BPPV1_Format, RGB_PVRTC_4BPPV1_Format, RGB_S3TC_DXT1_Format, RGFormat, RGIntegerFormat, RedFormat, RedIntegerFormat, ReinhardToneMapping, RepeatWrapping, ReverseSubtractEquation, SIGNED_RED_GREEN_RGTC2_Format, SIGNED_RED_RGTC1_Format, SRGBColorSpace, SRGBTransfer, ShaderChunk, ShaderLib, ShaderMaterial, ShortType, SrcAlphaFactor, SrcAlphaSaturateFactor, SrcColorFactor, SubtractEquation, SubtractiveBlending, TangentSpaceNormalMap, Texture, Uint16BufferAttribute, Uint32BufferAttribute, UniformsLib, UniformsUtils, UnsignedByteType, UnsignedInt248Type, UnsignedInt5999Type, UnsignedIntType, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedShortType, VSMShadowMap, Vector2, Vector3, Vector4, WebGLCoordinateSystem, WebGLCubeRenderTarget, WebGLRenderTarget, WebGLRenderer, WebGLUtils, WebXRController, ZeroFactor, createCanvasElement };\n", "/**\n * @license\n * Copyright 2010-2025 Three.js Authors\n * SPDX-License-Identifier: MIT\n */\nconst REVISION = '173';\n\nconst MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2, ROTATE: 0, DOLLY: 1, PAN: 2 };\nconst TOUCH = { ROTATE: 0, PAN: 1, DOLLY_PAN: 2, DOLLY_ROTATE: 3 };\nconst CullFaceNone = 0;\nconst CullFaceBack = 1;\nconst CullFaceFront = 2;\nconst CullFaceFrontBack = 3;\nconst BasicShadowMap = 0;\nconst PCFShadowMap = 1;\nconst PCFSoftShadowMap = 2;\nconst VSMShadowMap = 3;\nconst FrontSide = 0;\nconst BackSide = 1;\nconst DoubleSide = 2;\nconst NoBlending = 0;\nconst NormalBlending = 1;\nconst AdditiveBlending = 2;\nconst SubtractiveBlending = 3;\nconst MultiplyBlending = 4;\nconst CustomBlending = 5;\nconst AddEquation = 100;\nconst SubtractEquation = 101;\nconst ReverseSubtractEquation = 102;\nconst MinEquation = 103;\nconst MaxEquation = 104;\nconst ZeroFactor = 200;\nconst OneFactor = 201;\nconst SrcColorFactor = 202;\nconst OneMinusSrcColorFactor = 203;\nconst SrcAlphaFactor = 204;\nconst OneMinusSrcAlphaFactor = 205;\nconst DstAlphaFactor = 206;\nconst OneMinusDstAlphaFactor = 207;\nconst DstColorFactor = 208;\nconst OneMinusDstColorFactor = 209;\nconst SrcAlphaSaturateFactor = 210;\nconst ConstantColorFactor = 211;\nconst OneMinusConstantColorFactor = 212;\nconst ConstantAlphaFactor = 213;\nconst OneMinusConstantAlphaFactor = 214;\nconst NeverDepth = 0;\nconst AlwaysDepth = 1;\nconst LessDepth = 2;\nconst LessEqualDepth = 3;\nconst EqualDepth = 4;\nconst GreaterEqualDepth = 5;\nconst GreaterDepth = 6;\nconst NotEqualDepth = 7;\nconst MultiplyOperation = 0;\nconst MixOperation = 1;\nconst AddOperation = 2;\nconst NoToneMapping = 0;\nconst LinearToneMapping = 1;\nconst ReinhardToneMapping = 2;\nconst CineonToneMapping = 3;\nconst ACESFilmicToneMapping = 4;\nconst CustomToneMapping = 5;\nconst AgXToneMapping = 6;\nconst NeutralToneMapping = 7;\nconst AttachedBindMode = 'attached';\nconst DetachedBindMode = 'detached';\n\nconst UVMapping = 300;\nconst CubeReflectionMapping = 301;\nconst CubeRefractionMapping = 302;\nconst EquirectangularReflectionMapping = 303;\nconst EquirectangularRefractionMapping = 304;\nconst CubeUVReflectionMapping = 306;\nconst RepeatWrapping = 1000;\nconst ClampToEdgeWrapping = 1001;\nconst MirroredRepeatWrapping = 1002;\nconst NearestFilter = 1003;\nconst NearestMipmapNearestFilter = 1004;\nconst NearestMipMapNearestFilter = 1004;\nconst NearestMipmapLinearFilter = 1005;\nconst NearestMipMapLinearFilter = 1005;\nconst LinearFilter = 1006;\nconst LinearMipmapNearestFilter = 1007;\nconst LinearMipMapNearestFilter = 1007;\nconst LinearMipmapLinearFilter = 1008;\nconst LinearMipMapLinearFilter = 1008;\nconst UnsignedByteType = 1009;\nconst ByteType = 1010;\nconst ShortType = 1011;\nconst UnsignedShortType = 1012;\nconst IntType = 1013;\nconst UnsignedIntType = 1014;\nconst FloatType = 1015;\nconst HalfFloatType = 1016;\nconst UnsignedShort4444Type = 1017;\nconst UnsignedShort5551Type = 1018;\nconst UnsignedInt248Type = 1020;\nconst UnsignedInt5999Type = 35902;\nconst AlphaFormat = 1021;\nconst RGBFormat = 1022;\nconst RGBAFormat = 1023;\nconst LuminanceFormat = 1024;\nconst LuminanceAlphaFormat = 1025;\nconst DepthFormat = 1026;\nconst DepthStencilFormat = 1027;\nconst RedFormat = 1028;\nconst RedIntegerFormat = 1029;\nconst RGFormat = 1030;\nconst RGIntegerFormat = 1031;\nconst RGBIntegerFormat = 1032;\nconst RGBAIntegerFormat = 1033;\n\nconst RGB_S3TC_DXT1_Format = 33776;\nconst RGBA_S3TC_DXT1_Format = 33777;\nconst RGBA_S3TC_DXT3_Format = 33778;\nconst RGBA_S3TC_DXT5_Format = 33779;\nconst RGB_PVRTC_4BPPV1_Format = 35840;\nconst RGB_PVRTC_2BPPV1_Format = 35841;\nconst RGBA_PVRTC_4BPPV1_Format = 35842;\nconst RGBA_PVRTC_2BPPV1_Format = 35843;\nconst RGB_ETC1_Format = 36196;\nconst RGB_ETC2_Format = 37492;\nconst RGBA_ETC2_EAC_Format = 37496;\nconst RGBA_ASTC_4x4_Format = 37808;\nconst RGBA_ASTC_5x4_Format = 37809;\nconst RGBA_ASTC_5x5_Format = 37810;\nconst RGBA_ASTC_6x5_Format = 37811;\nconst RGBA_ASTC_6x6_Format = 37812;\nconst RGBA_ASTC_8x5_Format = 37813;\nconst RGBA_ASTC_8x6_Format = 37814;\nconst RGBA_ASTC_8x8_Format = 37815;\nconst RGBA_ASTC_10x5_Format = 37816;\nconst RGBA_ASTC_10x6_Format = 37817;\nconst RGBA_ASTC_10x8_Format = 37818;\nconst RGBA_ASTC_10x10_Format = 37819;\nconst RGBA_ASTC_12x10_Format = 37820;\nconst RGBA_ASTC_12x12_Format = 37821;\nconst RGBA_BPTC_Format = 36492;\nconst RGB_BPTC_SIGNED_Format = 36494;\nconst RGB_BPTC_UNSIGNED_Format = 36495;\nconst RED_RGTC1_Format = 36283;\nconst SIGNED_RED_RGTC1_Format = 36284;\nconst RED_GREEN_RGTC2_Format = 36285;\nconst SIGNED_RED_GREEN_RGTC2_Format = 36286;\nconst LoopOnce = 2200;\nconst LoopRepeat = 2201;\nconst LoopPingPong = 2202;\nconst InterpolateDiscrete = 2300;\nconst InterpolateLinear = 2301;\nconst InterpolateSmooth = 2302;\nconst ZeroCurvatureEnding = 2400;\nconst ZeroSlopeEnding = 2401;\nconst WrapAroundEnding = 2402;\nconst NormalAnimationBlendMode = 2500;\nconst AdditiveAnimationBlendMode = 2501;\nconst TrianglesDrawMode = 0;\nconst TriangleStripDrawMode = 1;\nconst TriangleFanDrawMode = 2;\nconst BasicDepthPacking = 3200;\nconst RGBADepthPacking = 3201;\nconst RGBDepthPacking = 3202;\nconst RGDepthPacking = 3203;\nconst TangentSpaceNormalMap = 0;\nconst ObjectSpaceNormalMap = 1;\n\n// Color space string identifiers, matching CSS Color Module Level 4 and WebGPU names where available.\nconst NoColorSpace = '';\nconst SRGBColorSpace = 'srgb';\nconst LinearSRGBColorSpace = 'srgb-linear';\n\nconst LinearTransfer = 'linear';\nconst SRGBTransfer = 'srgb';\n\nconst ZeroStencilOp = 0;\nconst KeepStencilOp = 7680;\nconst ReplaceStencilOp = 7681;\nconst IncrementStencilOp = 7682;\nconst DecrementStencilOp = 7683;\nconst IncrementWrapStencilOp = 34055;\nconst DecrementWrapStencilOp = 34056;\nconst InvertStencilOp = 5386;\n\nconst NeverStencilFunc = 512;\nconst LessStencilFunc = 513;\nconst EqualStencilFunc = 514;\nconst LessEqualStencilFunc = 515;\nconst GreaterStencilFunc = 516;\nconst NotEqualStencilFunc = 517;\nconst GreaterEqualStencilFunc = 518;\nconst AlwaysStencilFunc = 519;\n\nconst NeverCompare = 512;\nconst LessCompare = 513;\nconst EqualCompare = 514;\nconst LessEqualCompare = 515;\nconst GreaterCompare = 516;\nconst NotEqualCompare = 517;\nconst GreaterEqualCompare = 518;\nconst AlwaysCompare = 519;\n\nconst StaticDrawUsage = 35044;\nconst DynamicDrawUsage = 35048;\nconst StreamDrawUsage = 35040;\nconst StaticReadUsage = 35045;\nconst DynamicReadUsage = 35049;\nconst StreamReadUsage = 35041;\nconst StaticCopyUsage = 35046;\nconst DynamicCopyUsage = 35050;\nconst StreamCopyUsage = 35042;\n\nconst GLSL1 = '100';\nconst GLSL3 = '300 es';\n\nconst WebGLCoordinateSystem = 2000;\nconst WebGPUCoordinateSystem = 2001;\n\nconst TimestampQuery = {\n\tCOMPUTE: 'compute',\n\tRENDER: 'render'\n};\n\n/**\n * https://github.com/mrdoob/eventdispatcher.js/\n */\n\nclass EventDispatcher {\n\n\taddEventListener( type, listener ) {\n\n\t\tif ( this._listeners === undefined ) this._listeners = {};\n\n\t\tconst listeners = this._listeners;\n\n\t\tif ( listeners[ type ] === undefined ) {\n\n\t\t\tlisteners[ type ] = [];\n\n\t\t}\n\n\t\tif ( listeners[ type ].indexOf( listener ) === - 1 ) {\n\n\t\t\tlisteners[ type ].push( listener );\n\n\t\t}\n\n\t}\n\n\thasEventListener( type, listener ) {\n\n\t\tconst listeners = this._listeners;\n\n\t\tif ( listeners === undefined ) return false;\n\n\t\treturn listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1;\n\n\t}\n\n\tremoveEventListener( type, listener ) {\n\n\t\tconst listeners = this._listeners;\n\n\t\tif ( listeners === undefined ) return;\n\n\t\tconst listenerArray = listeners[ type ];\n\n\t\tif ( listenerArray !== undefined ) {\n\n\t\t\tconst index = listenerArray.indexOf( listener );\n\n\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\tlistenerArray.splice( index, 1 );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tdispatchEvent( event ) {\n\n\t\tconst listeners = this._listeners;\n\n\t\tif ( listeners === undefined ) return;\n\n\t\tconst listenerArray = listeners[ event.type ];\n\n\t\tif ( listenerArray !== undefined ) {\n\n\t\t\tevent.target = this;\n\n\t\t\t// Make a copy, in case listeners are removed while iterating.\n\t\t\tconst array = listenerArray.slice( 0 );\n\n\t\t\tfor ( let i = 0, l = array.length; i < l; i ++ ) {\n\n\t\t\t\tarray[ i ].call( this, event );\n\n\t\t\t}\n\n\t\t\tevent.target = null;\n\n\t\t}\n\n\t}\n\n}\n\nconst _lut = [ '00', '01', '02', '03', '04', '05', '06', '07', '08', '09', '0a', '0b', '0c', '0d', '0e', '0f', '10', '11', '12', '13', '14', '15', '16', '17', '18', '19', '1a', '1b', '1c', '1d', '1e', '1f', '20', '21', '22', '23', '24', '25', '26', '27', '28', '29', '2a', '2b', '2c', '2d', '2e', '2f', '30', '31', '32', '33', '34', '35', '36', '37', '38', '39', '3a', '3b', '3c', '3d', '3e', '3f', '40', '41', '42', '43', '44', '45', '46', '47', '48', '49', '4a', '4b', '4c', '4d', '4e', '4f', '50', '51', '52', '53', '54', '55', '56', '57', '58', '59', '5a', '5b', '5c', '5d', '5e', '5f', '60', '61', '62', '63', '64', '65', '66', '67', '68', '69', '6a', '6b', '6c', '6d', '6e', '6f', '70', '71', '72', '73', '74', '75', '76', '77', '78', '79', '7a', '7b', '7c', '7d', '7e', '7f', '80', '81', '82', '83', '84', '85', '86', '87', '88', '89', '8a', '8b', '8c', '8d', '8e', '8f', '90', '91', '92', '93', '94', '95', '96', '97', '98', '99', '9a', '9b', '9c', '9d', '9e', '9f', 'a0', 'a1', 'a2', 'a3', 'a4', 'a5', 'a6', 'a7', 'a8', 'a9', 'aa', 'ab', 'ac', 'ad', 'ae', 'af', 'b0', 'b1', 'b2', 'b3', 'b4', 'b5', 'b6', 'b7', 'b8', 'b9', 'ba', 'bb', 'bc', 'bd', 'be', 'bf', 'c0', 'c1', 'c2', 'c3', 'c4', 'c5', 'c6', 'c7', 'c8', 'c9', 'ca', 'cb', 'cc', 'cd', 'ce', 'cf', 'd0', 'd1', 'd2', 'd3', 'd4', 'd5', 'd6', 'd7', 'd8', 'd9', 'da', 'db', 'dc', 'dd', 'de', 'df', 'e0', 'e1', 'e2', 'e3', 'e4', 'e5', 'e6', 'e7', 'e8', 'e9', 'ea', 'eb', 'ec', 'ed', 'ee', 'ef', 'f0', 'f1', 'f2', 'f3', 'f4', 'f5', 'f6', 'f7', 'f8', 'f9', 'fa', 'fb', 'fc', 'fd', 'fe', 'ff' ];\n\nlet _seed = 1234567;\n\n\nconst DEG2RAD = Math.PI / 180;\nconst RAD2DEG = 180 / Math.PI;\n\n// http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/21963136#21963136\nfunction generateUUID() {\n\n\tconst d0 = Math.random() * 0xffffffff | 0;\n\tconst d1 = Math.random() * 0xffffffff | 0;\n\tconst d2 = Math.random() * 0xffffffff | 0;\n\tconst d3 = Math.random() * 0xffffffff | 0;\n\tconst uuid = _lut[ d0 & 0xff ] + _lut[ d0 >> 8 & 0xff ] + _lut[ d0 >> 16 & 0xff ] + _lut[ d0 >> 24 & 0xff ] + '-' +\n\t\t\t_lut[ d1 & 0xff ] + _lut[ d1 >> 8 & 0xff ] + '-' + _lut[ d1 >> 16 & 0x0f | 0x40 ] + _lut[ d1 >> 24 & 0xff ] + '-' +\n\t\t\t_lut[ d2 & 0x3f | 0x80 ] + _lut[ d2 >> 8 & 0xff ] + '-' + _lut[ d2 >> 16 & 0xff ] + _lut[ d2 >> 24 & 0xff ] +\n\t\t\t_lut[ d3 & 0xff ] + _lut[ d3 >> 8 & 0xff ] + _lut[ d3 >> 16 & 0xff ] + _lut[ d3 >> 24 & 0xff ];\n\n\t// .toLowerCase() here flattens concatenated strings to save heap memory space.\n\treturn uuid.toLowerCase();\n\n}\n\nfunction clamp( value, min, max ) {\n\n\treturn Math.max( min, Math.min( max, value ) );\n\n}\n\n// compute euclidean modulo of m % n\n// https://en.wikipedia.org/wiki/Modulo_operation\nfunction euclideanModulo( n, m ) {\n\n\treturn ( ( n % m ) + m ) % m;\n\n}\n\n// Linear mapping from range to range \nfunction mapLinear( x, a1, a2, b1, b2 ) {\n\n\treturn b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 );\n\n}\n\n// https://www.gamedev.net/tutorials/programming/general-and-gameplay-programming/inverse-lerp-a-super-useful-yet-often-overlooked-function-r5230/\nfunction inverseLerp( x, y, value ) {\n\n\tif ( x !== y ) {\n\n\t\treturn ( value - x ) / ( y - x );\n\n\t} else {\n\n\t\treturn 0;\n\n\t}\n\n}\n\n// https://en.wikipedia.org/wiki/Linear_interpolation\nfunction lerp( x, y, t ) {\n\n\treturn ( 1 - t ) * x + t * y;\n\n}\n\n// http://www.rorydriscoll.com/2016/03/07/frame-rate-independent-damping-using-lerp/\nfunction damp( x, y, lambda, dt ) {\n\n\treturn lerp( x, y, 1 - Math.exp( - lambda * dt ) );\n\n}\n\n// https://www.desmos.com/calculator/vcsjnyz7x4\nfunction pingpong( x, length = 1 ) {\n\n\treturn length - Math.abs( euclideanModulo( x, length * 2 ) - length );\n\n}\n\n// http://en.wikipedia.org/wiki/Smoothstep\nfunction smoothstep( x, min, max ) {\n\n\tif ( x <= min ) return 0;\n\tif ( x >= max ) return 1;\n\n\tx = ( x - min ) / ( max - min );\n\n\treturn x * x * ( 3 - 2 * x );\n\n}\n\nfunction smootherstep( x, min, max ) {\n\n\tif ( x <= min ) return 0;\n\tif ( x >= max ) return 1;\n\n\tx = ( x - min ) / ( max - min );\n\n\treturn x * x * x * ( x * ( x * 6 - 15 ) + 10 );\n\n}\n\n// Random integer from interval\nfunction randInt( low, high ) {\n\n\treturn low + Math.floor( Math.random() * ( high - low + 1 ) );\n\n}\n\n// Random float from interval\nfunction randFloat( low, high ) {\n\n\treturn low + Math.random() * ( high - low );\n\n}\n\n// Random float from <-range/2, range/2> interval\nfunction randFloatSpread( range ) {\n\n\treturn range * ( 0.5 - Math.random() );\n\n}\n\n// Deterministic pseudo-random float in the interval [ 0, 1 ]\nfunction seededRandom( s ) {\n\n\tif ( s !== undefined ) _seed = s;\n\n\t// Mulberry32 generator\n\n\tlet t = _seed += 0x6D2B79F5;\n\n\tt = Math.imul( t ^ t >>> 15, t | 1 );\n\n\tt ^= t + Math.imul( t ^ t >>> 7, t | 61 );\n\n\treturn ( ( t ^ t >>> 14 ) >>> 0 ) / 4294967296;\n\n}\n\nfunction degToRad( degrees ) {\n\n\treturn degrees * DEG2RAD;\n\n}\n\nfunction radToDeg( radians ) {\n\n\treturn radians * RAD2DEG;\n\n}\n\nfunction isPowerOfTwo( value ) {\n\n\treturn ( value & ( value - 1 ) ) === 0 && value !== 0;\n\n}\n\nfunction ceilPowerOfTwo( value ) {\n\n\treturn Math.pow( 2, Math.ceil( Math.log( value ) / Math.LN2 ) );\n\n}\n\nfunction floorPowerOfTwo( value ) {\n\n\treturn Math.pow( 2, Math.floor( Math.log( value ) / Math.LN2 ) );\n\n}\n\nfunction setQuaternionFromProperEuler( q, a, b, c, order ) {\n\n\t// Intrinsic Proper Euler Angles - see https://en.wikipedia.org/wiki/Euler_angles\n\n\t// rotations are applied to the axes in the order specified by 'order'\n\t// rotation by angle 'a' is applied first, then by angle 'b', then by angle 'c'\n\t// angles are in radians\n\n\tconst cos = Math.cos;\n\tconst sin = Math.sin;\n\n\tconst c2 = cos( b / 2 );\n\tconst s2 = sin( b / 2 );\n\n\tconst c13 = cos( ( a + c ) / 2 );\n\tconst s13 = sin( ( a + c ) / 2 );\n\n\tconst c1_3 = cos( ( a - c ) / 2 );\n\tconst s1_3 = sin( ( a - c ) / 2 );\n\n\tconst c3_1 = cos( ( c - a ) / 2 );\n\tconst s3_1 = sin( ( c - a ) / 2 );\n\n\tswitch ( order ) {\n\n\t\tcase 'XYX':\n\t\t\tq.set( c2 * s13, s2 * c1_3, s2 * s1_3, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'YZY':\n\t\t\tq.set( s2 * s1_3, c2 * s13, s2 * c1_3, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'ZXZ':\n\t\t\tq.set( s2 * c1_3, s2 * s1_3, c2 * s13, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'XZX':\n\t\t\tq.set( c2 * s13, s2 * s3_1, s2 * c3_1, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'YXY':\n\t\t\tq.set( s2 * c3_1, c2 * s13, s2 * s3_1, c2 * c13 );\n\t\t\tbreak;\n\n\t\tcase 'ZYZ':\n\t\t\tq.set( s2 * s3_1, s2 * c3_1, c2 * s13, c2 * c13 );\n\t\t\tbreak;\n\n\t\tdefault:\n\t\t\tconsole.warn( 'THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: ' + order );\n\n\t}\n\n}\n\nfunction denormalize( value, array ) {\n\n\tswitch ( array.constructor ) {\n\n\t\tcase Float32Array:\n\n\t\t\treturn value;\n\n\t\tcase Uint32Array:\n\n\t\t\treturn value / 4294967295.0;\n\n\t\tcase Uint16Array:\n\n\t\t\treturn value / 65535.0;\n\n\t\tcase Uint8Array:\n\n\t\t\treturn value / 255.0;\n\n\t\tcase Int32Array:\n\n\t\t\treturn Math.max( value / 2147483647.0, - 1.0 );\n\n\t\tcase Int16Array:\n\n\t\t\treturn Math.max( value / 32767.0, - 1.0 );\n\n\t\tcase Int8Array:\n\n\t\t\treturn Math.max( value / 127.0, - 1.0 );\n\n\t\tdefault:\n\n\t\t\tthrow new Error( 'Invalid component type.' );\n\n\t}\n\n}\n\nfunction normalize( value, array ) {\n\n\tswitch ( array.constructor ) {\n\n\t\tcase Float32Array:\n\n\t\t\treturn value;\n\n\t\tcase Uint32Array:\n\n\t\t\treturn Math.round( value * 4294967295.0 );\n\n\t\tcase Uint16Array:\n\n\t\t\treturn Math.round( value * 65535.0 );\n\n\t\tcase Uint8Array:\n\n\t\t\treturn Math.round( value * 255.0 );\n\n\t\tcase Int32Array:\n\n\t\t\treturn Math.round( value * 2147483647.0 );\n\n\t\tcase Int16Array:\n\n\t\t\treturn Math.round( value * 32767.0 );\n\n\t\tcase Int8Array:\n\n\t\t\treturn Math.round( value * 127.0 );\n\n\t\tdefault:\n\n\t\t\tthrow new Error( 'Invalid component type.' );\n\n\t}\n\n}\n\nconst MathUtils = {\n\tDEG2RAD: DEG2RAD,\n\tRAD2DEG: RAD2DEG,\n\tgenerateUUID: generateUUID,\n\tclamp: clamp,\n\teuclideanModulo: euclideanModulo,\n\tmapLinear: mapLinear,\n\tinverseLerp: inverseLerp,\n\tlerp: lerp,\n\tdamp: damp,\n\tpingpong: pingpong,\n\tsmoothstep: smoothstep,\n\tsmootherstep: smootherstep,\n\trandInt: randInt,\n\trandFloat: randFloat,\n\trandFloatSpread: randFloatSpread,\n\tseededRandom: seededRandom,\n\tdegToRad: degToRad,\n\tradToDeg: radToDeg,\n\tisPowerOfTwo: isPowerOfTwo,\n\tceilPowerOfTwo: ceilPowerOfTwo,\n\tfloorPowerOfTwo: floorPowerOfTwo,\n\tsetQuaternionFromProperEuler: setQuaternionFromProperEuler,\n\tnormalize: normalize,\n\tdenormalize: denormalize\n};\n\nclass Vector2 {\n\n\tconstructor( x = 0, y = 0 ) {\n\n\t\tVector2.prototype.isVector2 = true;\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\n\t}\n\n\tget width() {\n\n\t\treturn this.x;\n\n\t}\n\n\tset width( value ) {\n\n\t\tthis.x = value;\n\n\t}\n\n\tget height() {\n\n\t\treturn this.y;\n\n\t}\n\n\tset height( value ) {\n\n\t\tthis.y = value;\n\n\t}\n\n\tset( x, y ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y );\n\n\t}\n\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\n\t\treturn this;\n\n\t}\n\n\tadd( v ) {\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\n\t\treturn this;\n\n\t}\n\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\n\t\treturn this;\n\n\t}\n\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( v ) {\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\n\t\treturn this;\n\n\t}\n\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\n\t\treturn this;\n\n\t}\n\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( v ) {\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\tdivide( v ) {\n\n\t\tthis.x /= v.x;\n\t\tthis.y /= v.y;\n\n\t\treturn this;\n\n\t}\n\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tconst x = this.x, y = this.y;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ];\n\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ];\n\n\t\treturn this;\n\n\t}\n\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\n\t\treturn this;\n\n\t}\n\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\n\t\treturn this;\n\n\t}\n\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = clamp( this.x, min.x, max.x );\n\t\tthis.y = clamp( this.y, min.y, max.y );\n\n\t\treturn this;\n\n\t}\n\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = clamp( this.x, minVal, maxVal );\n\t\tthis.y = clamp( this.y, minVal, maxVal );\n\n\t\treturn this;\n\n\t}\n\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( clamp( length, min, max ) );\n\n\t}\n\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\n\t\treturn this;\n\n\t}\n\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\n\t\treturn this;\n\n\t}\n\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\n\t\treturn this;\n\n\t}\n\n\troundToZero() {\n\n\t\tthis.x = Math.trunc( this.x );\n\t\tthis.y = Math.trunc( this.y );\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y;\n\n\t}\n\n\tcross( v ) {\n\n\t\treturn this.x * v.y - this.y * v.x;\n\n\t}\n\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y );\n\n\t}\n\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y );\n\n\t}\n\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\tangle() {\n\n\t\t// computes the angle in radians with respect to the positive x-axis\n\n\t\tconst angle = Math.atan2( - this.y, - this.x ) + Math.PI;\n\n\t\treturn angle;\n\n\t}\n\n\tangleTo( v ) {\n\n\t\tconst denominator = Math.sqrt( this.lengthSq() * v.lengthSq() );\n\n\t\tif ( denominator === 0 ) return Math.PI / 2;\n\n\t\tconst theta = this.dot( v ) / denominator;\n\n\t\t// clamp, to handle numerical problems\n\n\t\treturn Math.acos( clamp( theta, - 1, 1 ) );\n\n\t}\n\n\tdistanceTo( v ) {\n\n\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t}\n\n\tdistanceToSquared( v ) {\n\n\t\tconst dx = this.x - v.x, dy = this.y - v.y;\n\t\treturn dx * dx + dy * dy;\n\n\t}\n\n\tmanhattanDistanceTo( v ) {\n\n\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y );\n\n\t}\n\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\n\t\treturn this;\n\n\t}\n\n\trotateAround( center, angle ) {\n\n\t\tconst c = Math.cos( angle ), s = Math.sin( angle );\n\n\t\tconst x = this.x - center.x;\n\t\tconst y = this.y - center.y;\n\n\t\tthis.x = x * c - y * s + center.x;\n\t\tthis.y = x * s + y * c + center.y;\n\n\t\treturn this;\n\n\t}\n\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\n\t\treturn this;\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.x;\n\t\tyield this.y;\n\n\t}\n\n}\n\nclass Matrix3 {\n\n\tconstructor( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) {\n\n\t\tMatrix3.prototype.isMatrix3 = true;\n\n\t\tthis.elements = [\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t];\n\n\t\tif ( n11 !== undefined ) {\n\n\t\t\tthis.set( n11, n12, n13, n21, n22, n23, n31, n32, n33 );\n\n\t\t}\n\n\t}\n\n\tset( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31;\n\t\tte[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32;\n\t\tte[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33;\n\n\t\treturn this;\n\n\t}\n\n\tidentity() {\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0,\n\t\t\t0, 1, 0,\n\t\t\t0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tcopy( m ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tte[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ];\n\t\tte[ 3 ] = me[ 3 ]; te[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ];\n\t\tte[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ]; te[ 8 ] = me[ 8 ];\n\n\t\treturn this;\n\n\t}\n\n\textractBasis( xAxis, yAxis, zAxis ) {\n\n\t\txAxis.setFromMatrix3Column( this, 0 );\n\t\tyAxis.setFromMatrix3Column( this, 1 );\n\t\tzAxis.setFromMatrix3Column( this, 2 );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrix4( m ) {\n\n\t\tconst me = m.elements;\n\n\t\tthis.set(\n\n\t\t\tme[ 0 ], me[ 4 ], me[ 8 ],\n\t\t\tme[ 1 ], me[ 5 ], me[ 9 ],\n\t\t\tme[ 2 ], me[ 6 ], me[ 10 ]\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( m ) {\n\n\t\treturn this.multiplyMatrices( this, m );\n\n\t}\n\n\tpremultiply( m ) {\n\n\t\treturn this.multiplyMatrices( m, this );\n\n\t}\n\n\tmultiplyMatrices( a, b ) {\n\n\t\tconst ae = a.elements;\n\t\tconst be = b.elements;\n\t\tconst te = this.elements;\n\n\t\tconst a11 = ae[ 0 ], a12 = ae[ 3 ], a13 = ae[ 6 ];\n\t\tconst a21 = ae[ 1 ], a22 = ae[ 4 ], a23 = ae[ 7 ];\n\t\tconst a31 = ae[ 2 ], a32 = ae[ 5 ], a33 = ae[ 8 ];\n\n\t\tconst b11 = be[ 0 ], b12 = be[ 3 ], b13 = be[ 6 ];\n\t\tconst b21 = be[ 1 ], b22 = be[ 4 ], b23 = be[ 7 ];\n\t\tconst b31 = be[ 2 ], b32 = be[ 5 ], b33 = be[ 8 ];\n\n\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31;\n\t\tte[ 3 ] = a11 * b12 + a12 * b22 + a13 * b32;\n\t\tte[ 6 ] = a11 * b13 + a12 * b23 + a13 * b33;\n\n\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31;\n\t\tte[ 4 ] = a21 * b12 + a22 * b22 + a23 * b32;\n\t\tte[ 7 ] = a21 * b13 + a22 * b23 + a23 * b33;\n\n\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31;\n\t\tte[ 5 ] = a31 * b12 + a32 * b22 + a33 * b32;\n\t\tte[ 8 ] = a31 * b13 + a32 * b23 + a33 * b33;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( s ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s;\n\t\tte[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s;\n\t\tte[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s;\n\n\t\treturn this;\n\n\t}\n\n\tdeterminant() {\n\n\t\tconst te = this.elements;\n\n\t\tconst a = te[ 0 ], b = te[ 1 ], c = te[ 2 ],\n\t\t\td = te[ 3 ], e = te[ 4 ], f = te[ 5 ],\n\t\t\tg = te[ 6 ], h = te[ 7 ], i = te[ 8 ];\n\n\t\treturn a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g;\n\n\t}\n\n\tinvert() {\n\n\t\tconst te = this.elements,\n\n\t\t\tn11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ],\n\t\t\tn12 = te[ 3 ], n22 = te[ 4 ], n32 = te[ 5 ],\n\t\t\tn13 = te[ 6 ], n23 = te[ 7 ], n33 = te[ 8 ],\n\n\t\t\tt11 = n33 * n22 - n32 * n23,\n\t\t\tt12 = n32 * n13 - n33 * n12,\n\t\t\tt13 = n23 * n12 - n22 * n13,\n\n\t\t\tdet = n11 * t11 + n21 * t12 + n31 * t13;\n\n\t\tif ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0 );\n\n\t\tconst detInv = 1 / det;\n\n\t\tte[ 0 ] = t11 * detInv;\n\t\tte[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv;\n\t\tte[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv;\n\n\t\tte[ 3 ] = t12 * detInv;\n\t\tte[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv;\n\t\tte[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv;\n\n\t\tte[ 6 ] = t13 * detInv;\n\t\tte[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv;\n\t\tte[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv;\n\n\t\treturn this;\n\n\t}\n\n\ttranspose() {\n\n\t\tlet tmp;\n\t\tconst m = this.elements;\n\n\t\ttmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp;\n\t\ttmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp;\n\t\ttmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp;\n\n\t\treturn this;\n\n\t}\n\n\tgetNormalMatrix( matrix4 ) {\n\n\t\treturn this.setFromMatrix4( matrix4 ).invert().transpose();\n\n\t}\n\n\ttransposeIntoArray( r ) {\n\n\t\tconst m = this.elements;\n\n\t\tr[ 0 ] = m[ 0 ];\n\t\tr[ 1 ] = m[ 3 ];\n\t\tr[ 2 ] = m[ 6 ];\n\t\tr[ 3 ] = m[ 1 ];\n\t\tr[ 4 ] = m[ 4 ];\n\t\tr[ 5 ] = m[ 7 ];\n\t\tr[ 6 ] = m[ 2 ];\n\t\tr[ 7 ] = m[ 5 ];\n\t\tr[ 8 ] = m[ 8 ];\n\n\t\treturn this;\n\n\t}\n\n\tsetUvTransform( tx, ty, sx, sy, rotation, cx, cy ) {\n\n\t\tconst c = Math.cos( rotation );\n\t\tconst s = Math.sin( rotation );\n\n\t\tthis.set(\n\t\t\tsx * c, sx * s, - sx * ( c * cx + s * cy ) + cx + tx,\n\t\t\t- sy * s, sy * c, - sy * ( - s * cx + c * cy ) + cy + ty,\n\t\t\t0, 0, 1\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\t//\n\n\tscale( sx, sy ) {\n\n\t\tthis.premultiply( _m3.makeScale( sx, sy ) );\n\n\t\treturn this;\n\n\t}\n\n\trotate( theta ) {\n\n\t\tthis.premultiply( _m3.makeRotation( - theta ) );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( tx, ty ) {\n\n\t\tthis.premultiply( _m3.makeTranslation( tx, ty ) );\n\n\t\treturn this;\n\n\t}\n\n\t// for 2D Transforms\n\n\tmakeTranslation( x, y ) {\n\n\t\tif ( x.isVector2 ) {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, x.x,\n\t\t\t\t0, 1, x.y,\n\t\t\t\t0, 0, 1\n\n\t\t\t);\n\n\t\t} else {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, x,\n\t\t\t\t0, 1, y,\n\t\t\t\t0, 0, 1\n\n\t\t\t);\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotation( theta ) {\n\n\t\t// counterclockwise\n\n\t\tconst c = Math.cos( theta );\n\t\tconst s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\tc, - s, 0,\n\t\t\ts, c, 0,\n\t\t\t0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeScale( x, y ) {\n\n\t\tthis.set(\n\n\t\t\tx, 0, 0,\n\t\t\t0, y, 0,\n\t\t\t0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\t//\n\n\tequals( matrix ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = matrix.elements;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst te = this.elements;\n\n\t\tarray[ offset ] = te[ 0 ];\n\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\tarray[ offset + 2 ] = te[ 2 ];\n\n\t\tarray[ offset + 3 ] = te[ 3 ];\n\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\tarray[ offset + 5 ] = te[ 5 ];\n\n\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\tarray[ offset + 7 ] = te[ 7 ];\n\t\tarray[ offset + 8 ] = te[ 8 ];\n\n\t\treturn array;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().fromArray( this.elements );\n\n\t}\n\n}\n\nconst _m3 = /*@__PURE__*/ new Matrix3();\n\nfunction arrayNeedsUint32( array ) {\n\n\t// assumes larger values usually on last\n\n\tfor ( let i = array.length - 1; i >= 0; -- i ) {\n\n\t\tif ( array[ i ] >= 65535 ) return true; // account for PRIMITIVE_RESTART_FIXED_INDEX, #24565\n\n\t}\n\n\treturn false;\n\n}\n\nconst TYPED_ARRAYS = {\n\tInt8Array: Int8Array,\n\tUint8Array: Uint8Array,\n\tUint8ClampedArray: Uint8ClampedArray,\n\tInt16Array: Int16Array,\n\tUint16Array: Uint16Array,\n\tInt32Array: Int32Array,\n\tUint32Array: Uint32Array,\n\tFloat32Array: Float32Array,\n\tFloat64Array: Float64Array\n};\n\nfunction getTypedArray( type, buffer ) {\n\n\treturn new TYPED_ARRAYS[ type ]( buffer );\n\n}\n\nfunction createElementNS( name ) {\n\n\treturn document.createElementNS( 'http://www.w3.org/1999/xhtml', name );\n\n}\n\nfunction createCanvasElement() {\n\n\tconst canvas = createElementNS( 'canvas' );\n\tcanvas.style.display = 'block';\n\treturn canvas;\n\n}\n\nconst _cache = {};\n\nfunction warnOnce( message ) {\n\n\tif ( message in _cache ) return;\n\n\t_cache[ message ] = true;\n\n\tconsole.warn( message );\n\n}\n\nfunction probeAsync( gl, sync, interval ) {\n\n\treturn new Promise( function ( resolve, reject ) {\n\n\t\tfunction probe() {\n\n\t\t\tswitch ( gl.clientWaitSync( sync, gl.SYNC_FLUSH_COMMANDS_BIT, 0 ) ) {\n\n\t\t\t\tcase gl.WAIT_FAILED:\n\t\t\t\t\treject();\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase gl.TIMEOUT_EXPIRED:\n\t\t\t\t\tsetTimeout( probe, interval );\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\t\t\t\t\tresolve();\n\n\t\t\t}\n\n\t\t}\n\n\t\tsetTimeout( probe, interval );\n\n\t} );\n\n}\n\nfunction toNormalizedProjectionMatrix( projectionMatrix ) {\n\n\tconst m = projectionMatrix.elements;\n\n\t// Convert [-1, 1] to [0, 1] projection matrix\n\tm[ 2 ] = 0.5 * m[ 2 ] + 0.5 * m[ 3 ];\n\tm[ 6 ] = 0.5 * m[ 6 ] + 0.5 * m[ 7 ];\n\tm[ 10 ] = 0.5 * m[ 10 ] + 0.5 * m[ 11 ];\n\tm[ 14 ] = 0.5 * m[ 14 ] + 0.5 * m[ 15 ];\n\n}\n\nfunction toReversedProjectionMatrix( projectionMatrix ) {\n\n\tconst m = projectionMatrix.elements;\n\tconst isPerspectiveMatrix = m[ 11 ] === - 1;\n\n\t// Reverse [0, 1] projection matrix\n\tif ( isPerspectiveMatrix ) {\n\n\t\tm[ 10 ] = - m[ 10 ] - 1;\n\t\tm[ 14 ] = - m[ 14 ];\n\n\t} else {\n\n\t\tm[ 10 ] = - m[ 10 ];\n\t\tm[ 14 ] = - m[ 14 ] + 1;\n\n\t}\n\n}\n\nconst LINEAR_REC709_TO_XYZ = /*@__PURE__*/ new Matrix3().set(\n\t0.4123908, 0.3575843, 0.1804808,\n\t0.2126390, 0.7151687, 0.0721923,\n\t0.0193308, 0.1191948, 0.9505322\n);\n\nconst XYZ_TO_LINEAR_REC709 = /*@__PURE__*/ new Matrix3().set(\n\t3.2409699, - 1.5373832, - 0.4986108,\n\t- 0.9692436, 1.8759675, 0.0415551,\n\t0.0556301, - 0.2039770, 1.0569715\n);\n\nfunction createColorManagement() {\n\n\tconst ColorManagement = {\n\n\t\tenabled: true,\n\n\t\tworkingColorSpace: LinearSRGBColorSpace,\n\n\t\t/**\n\t\t * Implementations of supported color spaces.\n\t\t *\n\t\t * Required:\n\t\t *\t- primaries: chromaticity coordinates [ rx ry gx gy bx by ]\n\t\t *\t- whitePoint: reference white [ x y ]\n\t\t *\t- transfer: transfer function (pre-defined)\n\t\t *\t- toXYZ: Matrix3 RGB to XYZ transform\n\t\t *\t- fromXYZ: Matrix3 XYZ to RGB transform\n\t\t *\t- luminanceCoefficients: RGB luminance coefficients\n\t\t *\n\t\t * Optional:\n\t\t * - outputColorSpaceConfig: { drawingBufferColorSpace: ColorSpace }\n\t\t * - workingColorSpaceConfig: { unpackColorSpace: ColorSpace }\n\t\t *\n\t\t * Reference:\n\t\t * - https://www.russellcottrell.com/photo/matrixCalculator.htm\n\t\t */\n\t\tspaces: {},\n\n\t\tconvert: function ( color, sourceColorSpace, targetColorSpace ) {\n\n\t\t\tif ( this.enabled === false || sourceColorSpace === targetColorSpace || ! sourceColorSpace || ! targetColorSpace ) {\n\n\t\t\t\treturn color;\n\n\t\t\t}\n\n\t\t\tif ( this.spaces[ sourceColorSpace ].transfer === SRGBTransfer ) {\n\n\t\t\t\tcolor.r = SRGBToLinear( color.r );\n\t\t\t\tcolor.g = SRGBToLinear( color.g );\n\t\t\t\tcolor.b = SRGBToLinear( color.b );\n\n\t\t\t}\n\n\t\t\tif ( this.spaces[ sourceColorSpace ].primaries !== this.spaces[ targetColorSpace ].primaries ) {\n\n\t\t\t\tcolor.applyMatrix3( this.spaces[ sourceColorSpace ].toXYZ );\n\t\t\t\tcolor.applyMatrix3( this.spaces[ targetColorSpace ].fromXYZ );\n\n\t\t\t}\n\n\t\t\tif ( this.spaces[ targetColorSpace ].transfer === SRGBTransfer ) {\n\n\t\t\t\tcolor.r = LinearToSRGB( color.r );\n\t\t\t\tcolor.g = LinearToSRGB( color.g );\n\t\t\t\tcolor.b = LinearToSRGB( color.b );\n\n\t\t\t}\n\n\t\t\treturn color;\n\n\t\t},\n\n\t\tfromWorkingColorSpace: function ( color, targetColorSpace ) {\n\n\t\t\treturn this.convert( color, this.workingColorSpace, targetColorSpace );\n\n\t\t},\n\n\t\ttoWorkingColorSpace: function ( color, sourceColorSpace ) {\n\n\t\t\treturn this.convert( color, sourceColorSpace, this.workingColorSpace );\n\n\t\t},\n\n\t\tgetPrimaries: function ( colorSpace ) {\n\n\t\t\treturn this.spaces[ colorSpace ].primaries;\n\n\t\t},\n\n\t\tgetTransfer: function ( colorSpace ) {\n\n\t\t\tif ( colorSpace === NoColorSpace ) return LinearTransfer;\n\n\t\t\treturn this.spaces[ colorSpace ].transfer;\n\n\t\t},\n\n\t\tgetLuminanceCoefficients: function ( target, colorSpace = this.workingColorSpace ) {\n\n\t\t\treturn target.fromArray( this.spaces[ colorSpace ].luminanceCoefficients );\n\n\t\t},\n\n\t\tdefine: function ( colorSpaces ) {\n\n\t\t\tObject.assign( this.spaces, colorSpaces );\n\n\t\t},\n\n\t\t// Internal APIs\n\n\t\t_getMatrix: function ( targetMatrix, sourceColorSpace, targetColorSpace ) {\n\n\t\t\treturn targetMatrix\n\t\t\t\t.copy( this.spaces[ sourceColorSpace ].toXYZ )\n\t\t\t\t.multiply( this.spaces[ targetColorSpace ].fromXYZ );\n\n\t\t},\n\n\t\t_getDrawingBufferColorSpace: function ( colorSpace ) {\n\n\t\t\treturn this.spaces[ colorSpace ].outputColorSpaceConfig.drawingBufferColorSpace;\n\n\t\t},\n\n\t\t_getUnpackColorSpace: function ( colorSpace = this.workingColorSpace ) {\n\n\t\t\treturn this.spaces[ colorSpace ].workingColorSpaceConfig.unpackColorSpace;\n\n\t\t}\n\n\t};\n\n\t/******************************************************************************\n\t * sRGB definitions\n\t */\n\n\tconst REC709_PRIMARIES = [ 0.640, 0.330, 0.300, 0.600, 0.150, 0.060 ];\n\tconst REC709_LUMINANCE_COEFFICIENTS = [ 0.2126, 0.7152, 0.0722 ];\n\tconst D65 = [ 0.3127, 0.3290 ];\n\n\tColorManagement.define( {\n\n\t\t[ LinearSRGBColorSpace ]: {\n\t\t\tprimaries: REC709_PRIMARIES,\n\t\t\twhitePoint: D65,\n\t\t\ttransfer: LinearTransfer,\n\t\t\ttoXYZ: LINEAR_REC709_TO_XYZ,\n\t\t\tfromXYZ: XYZ_TO_LINEAR_REC709,\n\t\t\tluminanceCoefficients: REC709_LUMINANCE_COEFFICIENTS,\n\t\t\tworkingColorSpaceConfig: { unpackColorSpace: SRGBColorSpace },\n\t\t\toutputColorSpaceConfig: { drawingBufferColorSpace: SRGBColorSpace }\n\t\t},\n\n\t\t[ SRGBColorSpace ]: {\n\t\t\tprimaries: REC709_PRIMARIES,\n\t\t\twhitePoint: D65,\n\t\t\ttransfer: SRGBTransfer,\n\t\t\ttoXYZ: LINEAR_REC709_TO_XYZ,\n\t\t\tfromXYZ: XYZ_TO_LINEAR_REC709,\n\t\t\tluminanceCoefficients: REC709_LUMINANCE_COEFFICIENTS,\n\t\t\toutputColorSpaceConfig: { drawingBufferColorSpace: SRGBColorSpace }\n\t\t},\n\n\t} );\n\n\treturn ColorManagement;\n\n}\n\nconst ColorManagement = /*@__PURE__*/ createColorManagement();\n\nfunction SRGBToLinear( c ) {\n\n\treturn ( c < 0.04045 ) ? c * 0.0773993808 : Math.pow( c * 0.9478672986 + 0.0521327014, 2.4 );\n\n}\n\nfunction LinearToSRGB( c ) {\n\n\treturn ( c < 0.0031308 ) ? c * 12.92 : 1.055 * ( Math.pow( c, 0.41666 ) ) - 0.055;\n\n}\n\nlet _canvas;\n\nclass ImageUtils {\n\n\tstatic getDataURL( image ) {\n\n\t\tif ( /^data:/i.test( image.src ) ) {\n\n\t\t\treturn image.src;\n\n\t\t}\n\n\t\tif ( typeof HTMLCanvasElement === 'undefined' ) {\n\n\t\t\treturn image.src;\n\n\t\t}\n\n\t\tlet canvas;\n\n\t\tif ( image instanceof HTMLCanvasElement ) {\n\n\t\t\tcanvas = image;\n\n\t\t} else {\n\n\t\t\tif ( _canvas === undefined ) _canvas = createElementNS( 'canvas' );\n\n\t\t\t_canvas.width = image.width;\n\t\t\t_canvas.height = image.height;\n\n\t\t\tconst context = _canvas.getContext( '2d' );\n\n\t\t\tif ( image instanceof ImageData ) {\n\n\t\t\t\tcontext.putImageData( image, 0, 0 );\n\n\t\t\t} else {\n\n\t\t\t\tcontext.drawImage( image, 0, 0, image.width, image.height );\n\n\t\t\t}\n\n\t\t\tcanvas = _canvas;\n\n\t\t}\n\n\t\treturn canvas.toDataURL( 'image/png' );\n\n\t}\n\n\tstatic sRGBToLinear( image ) {\n\n\t\tif ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) ||\n\t\t\t( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) ||\n\t\t\t( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) {\n\n\t\t\tconst canvas = createElementNS( 'canvas' );\n\n\t\t\tcanvas.width = image.width;\n\t\t\tcanvas.height = image.height;\n\n\t\t\tconst context = canvas.getContext( '2d' );\n\t\t\tcontext.drawImage( image, 0, 0, image.width, image.height );\n\n\t\t\tconst imageData = context.getImageData( 0, 0, image.width, image.height );\n\t\t\tconst data = imageData.data;\n\n\t\t\tfor ( let i = 0; i < data.length; i ++ ) {\n\n\t\t\t\tdata[ i ] = SRGBToLinear( data[ i ] / 255 ) * 255;\n\n\t\t\t}\n\n\t\t\tcontext.putImageData( imageData, 0, 0 );\n\n\t\t\treturn canvas;\n\n\t\t} else if ( image.data ) {\n\n\t\t\tconst data = image.data.slice( 0 );\n\n\t\t\tfor ( let i = 0; i < data.length; i ++ ) {\n\n\t\t\t\tif ( data instanceof Uint8Array || data instanceof Uint8ClampedArray ) {\n\n\t\t\t\t\tdata[ i ] = Math.floor( SRGBToLinear( data[ i ] / 255 ) * 255 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// assuming float\n\n\t\t\t\t\tdata[ i ] = SRGBToLinear( data[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\tdata: data,\n\t\t\t\twidth: image.width,\n\t\t\t\theight: image.height\n\t\t\t};\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied.' );\n\t\t\treturn image;\n\n\t\t}\n\n\t}\n\n}\n\nlet _sourceId = 0;\n\nclass Source {\n\n\tconstructor( data = null ) {\n\n\t\tthis.isSource = true;\n\n\t\tObject.defineProperty( this, 'id', { value: _sourceId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.data = data;\n\t\tthis.dataReady = true;\n\n\t\tthis.version = 0;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tif ( ! isRootObject && meta.images[ this.uuid ] !== undefined ) {\n\n\t\t\treturn meta.images[ this.uuid ];\n\n\t\t}\n\n\t\tconst output = {\n\t\t\tuuid: this.uuid,\n\t\t\turl: ''\n\t\t};\n\n\t\tconst data = this.data;\n\n\t\tif ( data !== null ) {\n\n\t\t\tlet url;\n\n\t\t\tif ( Array.isArray( data ) ) {\n\n\t\t\t\t// cube texture\n\n\t\t\t\turl = [];\n\n\t\t\t\tfor ( let i = 0, l = data.length; i < l; i ++ ) {\n\n\t\t\t\t\tif ( data[ i ].isDataTexture ) {\n\n\t\t\t\t\t\turl.push( serializeImage( data[ i ].image ) );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\turl.push( serializeImage( data[ i ] ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// texture\n\n\t\t\t\turl = serializeImage( data );\n\n\t\t\t}\n\n\t\t\toutput.url = url;\n\n\t\t}\n\n\t\tif ( ! isRootObject ) {\n\n\t\t\tmeta.images[ this.uuid ] = output;\n\n\t\t}\n\n\t\treturn output;\n\n\t}\n\n}\n\nfunction serializeImage( image ) {\n\n\tif ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) ||\n\t\t( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) ||\n\t\t( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) {\n\n\t\t// default images\n\n\t\treturn ImageUtils.getDataURL( image );\n\n\t} else {\n\n\t\tif ( image.data ) {\n\n\t\t\t// images of DataTexture\n\n\t\t\treturn {\n\t\t\t\tdata: Array.from( image.data ),\n\t\t\t\twidth: image.width,\n\t\t\t\theight: image.height,\n\t\t\t\ttype: image.data.constructor.name\n\t\t\t};\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.Texture: Unable to serialize Texture.' );\n\t\t\treturn {};\n\n\t\t}\n\n\t}\n\n}\n\nlet _textureId = 0;\n\nclass Texture extends EventDispatcher {\n\n\tconstructor( image = Texture.DEFAULT_IMAGE, mapping = Texture.DEFAULT_MAPPING, wrapS = ClampToEdgeWrapping, wrapT = ClampToEdgeWrapping, magFilter = LinearFilter, minFilter = LinearMipmapLinearFilter, format = RGBAFormat, type = UnsignedByteType, anisotropy = Texture.DEFAULT_ANISOTROPY, colorSpace = NoColorSpace ) {\n\n\t\tsuper();\n\n\t\tthis.isTexture = true;\n\n\t\tObject.defineProperty( this, 'id', { value: _textureId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\n\t\tthis.source = new Source( image );\n\t\tthis.mipmaps = [];\n\n\t\tthis.mapping = mapping;\n\t\tthis.channel = 0;\n\n\t\tthis.wrapS = wrapS;\n\t\tthis.wrapT = wrapT;\n\n\t\tthis.magFilter = magFilter;\n\t\tthis.minFilter = minFilter;\n\n\t\tthis.anisotropy = anisotropy;\n\n\t\tthis.format = format;\n\t\tthis.internalFormat = null;\n\t\tthis.type = type;\n\n\t\tthis.offset = new Vector2( 0, 0 );\n\t\tthis.repeat = new Vector2( 1, 1 );\n\t\tthis.center = new Vector2( 0, 0 );\n\t\tthis.rotation = 0;\n\n\t\tthis.matrixAutoUpdate = true;\n\t\tthis.matrix = new Matrix3();\n\n\t\tthis.generateMipmaps = true;\n\t\tthis.premultiplyAlpha = false;\n\t\tthis.flipY = true;\n\t\tthis.unpackAlignment = 4;\t// valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml)\n\n\t\tthis.colorSpace = colorSpace;\n\n\t\tthis.userData = {};\n\n\t\tthis.version = 0;\n\t\tthis.onUpdate = null;\n\n\t\tthis.renderTarget = null; // assign texture to a render target\n\t\tthis.isRenderTargetTexture = false; // indicates whether a texture belongs to a render target or not\n\t\tthis.pmremVersion = 0; // indicates whether this texture should be processed by PMREMGenerator or not (only relevant for render target textures)\n\n\t}\n\n\tget image() {\n\n\t\treturn this.source.data;\n\n\t}\n\n\tset image( value = null ) {\n\n\t\tthis.source.data = value;\n\n\t}\n\n\tupdateMatrix() {\n\n\t\tthis.matrix.setUvTransform( this.offset.x, this.offset.y, this.repeat.x, this.repeat.y, this.rotation, this.center.x, this.center.y );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.source = source.source;\n\t\tthis.mipmaps = source.mipmaps.slice( 0 );\n\n\t\tthis.mapping = source.mapping;\n\t\tthis.channel = source.channel;\n\n\t\tthis.wrapS = source.wrapS;\n\t\tthis.wrapT = source.wrapT;\n\n\t\tthis.magFilter = source.magFilter;\n\t\tthis.minFilter = source.minFilter;\n\n\t\tthis.anisotropy = source.anisotropy;\n\n\t\tthis.format = source.format;\n\t\tthis.internalFormat = source.internalFormat;\n\t\tthis.type = source.type;\n\n\t\tthis.offset.copy( source.offset );\n\t\tthis.repeat.copy( source.repeat );\n\t\tthis.center.copy( source.center );\n\t\tthis.rotation = source.rotation;\n\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\t\tthis.matrix.copy( source.matrix );\n\n\t\tthis.generateMipmaps = source.generateMipmaps;\n\t\tthis.premultiplyAlpha = source.premultiplyAlpha;\n\t\tthis.flipY = source.flipY;\n\t\tthis.unpackAlignment = source.unpackAlignment;\n\t\tthis.colorSpace = source.colorSpace;\n\n\t\tthis.renderTarget = source.renderTarget;\n\t\tthis.isRenderTargetTexture = source.isRenderTargetTexture;\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\tthis.needsUpdate = true;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tif ( ! isRootObject && meta.textures[ this.uuid ] !== undefined ) {\n\n\t\t\treturn meta.textures[ this.uuid ];\n\n\t\t}\n\n\t\tconst output = {\n\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.6,\n\t\t\t\ttype: 'Texture',\n\t\t\t\tgenerator: 'Texture.toJSON'\n\t\t\t},\n\n\t\t\tuuid: this.uuid,\n\t\t\tname: this.name,\n\n\t\t\timage: this.source.toJSON( meta ).uuid,\n\n\t\t\tmapping: this.mapping,\n\t\t\tchannel: this.channel,\n\n\t\t\trepeat: [ this.repeat.x, this.repeat.y ],\n\t\t\toffset: [ this.offset.x, this.offset.y ],\n\t\t\tcenter: [ this.center.x, this.center.y ],\n\t\t\trotation: this.rotation,\n\n\t\t\twrap: [ this.wrapS, this.wrapT ],\n\n\t\t\tformat: this.format,\n\t\t\tinternalFormat: this.internalFormat,\n\t\t\ttype: this.type,\n\t\t\tcolorSpace: this.colorSpace,\n\n\t\t\tminFilter: this.minFilter,\n\t\t\tmagFilter: this.magFilter,\n\t\t\tanisotropy: this.anisotropy,\n\n\t\t\tflipY: this.flipY,\n\n\t\t\tgenerateMipmaps: this.generateMipmaps,\n\t\t\tpremultiplyAlpha: this.premultiplyAlpha,\n\t\t\tunpackAlignment: this.unpackAlignment\n\n\t\t};\n\n\t\tif ( Object.keys( this.userData ).length > 0 ) output.userData = this.userData;\n\n\t\tif ( ! isRootObject ) {\n\n\t\t\tmeta.textures[ this.uuid ] = output;\n\n\t\t}\n\n\t\treturn output;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n\ttransformUv( uv ) {\n\n\t\tif ( this.mapping !== UVMapping ) return uv;\n\n\t\tuv.applyMatrix3( this.matrix );\n\n\t\tif ( uv.x < 0 || uv.x > 1 ) {\n\n\t\t\tswitch ( this.wrapS ) {\n\n\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\tuv.x = uv.x < 0 ? 0 : 1;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\tif ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\tuv.x = Math.ceil( uv.x ) - uv.x;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuv.x = uv.x - Math.floor( uv.x );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( uv.y < 0 || uv.y > 1 ) {\n\n\t\t\tswitch ( this.wrapT ) {\n\n\t\t\t\tcase RepeatWrapping:\n\n\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase ClampToEdgeWrapping:\n\n\t\t\t\t\tuv.y = uv.y < 0 ? 0 : 1;\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase MirroredRepeatWrapping:\n\n\t\t\t\t\tif ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) {\n\n\t\t\t\t\t\tuv.y = Math.ceil( uv.y ) - uv.y;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tuv.y = uv.y - Math.floor( uv.y );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.flipY ) {\n\n\t\t\tuv.y = 1 - uv.y;\n\n\t\t}\n\n\t\treturn uv;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) {\n\n\t\t\tthis.version ++;\n\t\t\tthis.source.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n\tset needsPMREMUpdate( value ) {\n\n\t\tif ( value === true ) {\n\n\t\t\tthis.pmremVersion ++;\n\n\t\t}\n\n\t}\n\n}\n\nTexture.DEFAULT_IMAGE = null;\nTexture.DEFAULT_MAPPING = UVMapping;\nTexture.DEFAULT_ANISOTROPY = 1;\n\nclass Vector4 {\n\n\tconstructor( x = 0, y = 0, z = 0, w = 1 ) {\n\n\t\tVector4.prototype.isVector4 = true;\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\t\tthis.w = w;\n\n\t}\n\n\tget width() {\n\n\t\treturn this.z;\n\n\t}\n\n\tset width( value ) {\n\n\t\tthis.z = value;\n\n\t}\n\n\tget height() {\n\n\t\treturn this.w;\n\n\t}\n\n\tset height( value ) {\n\n\t\tthis.w = value;\n\n\t}\n\n\tset( x, y, z, w ) {\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\t\tthis.w = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\t\tthis.z = scalar;\n\t\tthis.w = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetZ( z ) {\n\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetW( w ) {\n\n\t\tthis.w = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tcase 2: this.z = value; break;\n\t\t\tcase 3: this.w = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tcase 2: return this.z;\n\t\t\tcase 3: return this.w;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y, this.z, this.w );\n\n\t}\n\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\t\tthis.z = v.z;\n\t\tthis.w = ( v.w !== undefined ) ? v.w : 1;\n\n\t\treturn this;\n\n\t}\n\n\tadd( v ) {\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\t\tthis.z += v.z;\n\t\tthis.w += v.w;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\t\tthis.z += s;\n\t\tthis.w += s;\n\n\t\treturn this;\n\n\t}\n\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\t\tthis.z = a.z + b.z;\n\t\tthis.w = a.w + b.w;\n\n\t\treturn this;\n\n\t}\n\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\t\tthis.z += v.z * s;\n\t\tthis.w += v.w * s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( v ) {\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\t\tthis.z -= v.z;\n\t\tthis.w -= v.w;\n\n\t\treturn this;\n\n\t}\n\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\t\tthis.z -= s;\n\t\tthis.w -= s;\n\n\t\treturn this;\n\n\t}\n\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\t\tthis.z = a.z - b.z;\n\t\tthis.w = a.w - b.w;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( v ) {\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\t\tthis.z *= v.z;\n\t\tthis.w *= v.w;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\t\tthis.z *= scalar;\n\t\tthis.w *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z, w = this.w;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w;\n\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w;\n\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w;\n\t\tthis.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w;\n\n\t\treturn this;\n\n\t}\n\n\tdivide( v ) {\n\n\t\tthis.x /= v.x;\n\t\tthis.y /= v.y;\n\t\tthis.z /= v.z;\n\t\tthis.w /= v.w;\n\n\t\treturn this;\n\n\t}\n\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\tsetAxisAngleFromQuaternion( q ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm\n\n\t\t// q is assumed to be normalized\n\n\t\tthis.w = 2 * Math.acos( q.w );\n\n\t\tconst s = Math.sqrt( 1 - q.w * q.w );\n\n\t\tif ( s < 0.0001 ) {\n\n\t\t\tthis.x = 1;\n\t\t\tthis.y = 0;\n\t\t\tthis.z = 0;\n\n\t\t} else {\n\n\t\t\tthis.x = q.x / s;\n\t\t\tthis.y = q.y / s;\n\t\t\tthis.z = q.z / s;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetAxisAngleFromRotationMatrix( m ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tlet angle, x, y, z; // variables for result\n\t\tconst epsilon = 0.01,\t\t// margin to allow for rounding errors\n\t\t\tepsilon2 = 0.1,\t\t// margin to distinguish between 0 and 180 degrees\n\n\t\t\tte = m.elements,\n\n\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\tif ( ( Math.abs( m12 - m21 ) < epsilon ) &&\n\t\t ( Math.abs( m13 - m31 ) < epsilon ) &&\n\t\t ( Math.abs( m23 - m32 ) < epsilon ) ) {\n\n\t\t\t// singularity found\n\t\t\t// first check for identity matrix which must have +1 for all terms\n\t\t\t// in leading diagonal and zero in other terms\n\n\t\t\tif ( ( Math.abs( m12 + m21 ) < epsilon2 ) &&\n\t\t\t ( Math.abs( m13 + m31 ) < epsilon2 ) &&\n\t\t\t ( Math.abs( m23 + m32 ) < epsilon2 ) &&\n\t\t\t ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) {\n\n\t\t\t\t// this singularity is identity matrix so angle = 0\n\n\t\t\t\tthis.set( 1, 0, 0, 0 );\n\n\t\t\t\treturn this; // zero angle, arbitrary axis\n\n\t\t\t}\n\n\t\t\t// otherwise this singularity is angle = 180\n\n\t\t\tangle = Math.PI;\n\n\t\t\tconst xx = ( m11 + 1 ) / 2;\n\t\t\tconst yy = ( m22 + 1 ) / 2;\n\t\t\tconst zz = ( m33 + 1 ) / 2;\n\t\t\tconst xy = ( m12 + m21 ) / 4;\n\t\t\tconst xz = ( m13 + m31 ) / 4;\n\t\t\tconst yz = ( m23 + m32 ) / 4;\n\n\t\t\tif ( ( xx > yy ) && ( xx > zz ) ) {\n\n\t\t\t\t// m11 is the largest diagonal term\n\n\t\t\t\tif ( xx < epsilon ) {\n\n\t\t\t\t\tx = 0;\n\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tx = Math.sqrt( xx );\n\t\t\t\t\ty = xy / x;\n\t\t\t\t\tz = xz / x;\n\n\t\t\t\t}\n\n\t\t\t} else if ( yy > zz ) {\n\n\t\t\t\t// m22 is the largest diagonal term\n\n\t\t\t\tif ( yy < epsilon ) {\n\n\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\ty = 0;\n\t\t\t\t\tz = 0.707106781;\n\n\t\t\t\t} else {\n\n\t\t\t\t\ty = Math.sqrt( yy );\n\t\t\t\t\tx = xy / y;\n\t\t\t\t\tz = yz / y;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// m33 is the largest diagonal term so base result on this\n\n\t\t\t\tif ( zz < epsilon ) {\n\n\t\t\t\t\tx = 0.707106781;\n\t\t\t\t\ty = 0.707106781;\n\t\t\t\t\tz = 0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tz = Math.sqrt( zz );\n\t\t\t\t\tx = xz / z;\n\t\t\t\t\ty = yz / z;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.set( x, y, z, angle );\n\n\t\t\treturn this; // return 180 deg rotation\n\n\t\t}\n\n\t\t// as we have reached here there are no singularities so we can handle normally\n\n\t\tlet s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) +\n\t\t\t( m13 - m31 ) * ( m13 - m31 ) +\n\t\t\t( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize\n\n\t\tif ( Math.abs( s ) < 0.001 ) s = 1;\n\n\t\t// prevent divide by zero, should not happen if matrix is orthogonal and should be\n\t\t// caught by singularity test above, but I've left it in just in case\n\n\t\tthis.x = ( m32 - m23 ) / s;\n\t\tthis.y = ( m13 - m31 ) / s;\n\t\tthis.z = ( m21 - m12 ) / s;\n\t\tthis.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixPosition( m ) {\n\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 12 ];\n\t\tthis.y = e[ 13 ];\n\t\tthis.z = e[ 14 ];\n\t\tthis.w = e[ 15 ];\n\n\t\treturn this;\n\n\t}\n\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\t\tthis.z = Math.min( this.z, v.z );\n\t\tthis.w = Math.min( this.w, v.w );\n\n\t\treturn this;\n\n\t}\n\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\t\tthis.z = Math.max( this.z, v.z );\n\t\tthis.w = Math.max( this.w, v.w );\n\n\t\treturn this;\n\n\t}\n\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = clamp( this.x, min.x, max.x );\n\t\tthis.y = clamp( this.y, min.y, max.y );\n\t\tthis.z = clamp( this.z, min.z, max.z );\n\t\tthis.w = clamp( this.w, min.w, max.w );\n\n\t\treturn this;\n\n\t}\n\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = clamp( this.x, minVal, maxVal );\n\t\tthis.y = clamp( this.y, minVal, maxVal );\n\t\tthis.z = clamp( this.z, minVal, maxVal );\n\t\tthis.w = clamp( this.w, minVal, maxVal );\n\n\t\treturn this;\n\n\t}\n\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( clamp( length, min, max ) );\n\n\t}\n\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\t\tthis.z = Math.floor( this.z );\n\t\tthis.w = Math.floor( this.w );\n\n\t\treturn this;\n\n\t}\n\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\t\tthis.z = Math.ceil( this.z );\n\t\tthis.w = Math.ceil( this.w );\n\n\t\treturn this;\n\n\t}\n\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\t\tthis.z = Math.round( this.z );\n\t\tthis.w = Math.round( this.w );\n\n\t\treturn this;\n\n\t}\n\n\troundToZero() {\n\n\t\tthis.x = Math.trunc( this.x );\n\t\tthis.y = Math.trunc( this.y );\n\t\tthis.z = Math.trunc( this.z );\n\t\tthis.w = Math.trunc( this.w );\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\t\tthis.z = - this.z;\n\t\tthis.w = - this.w;\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w;\n\n\t}\n\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w );\n\n\t}\n\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w );\n\n\t}\n\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\tthis.z += ( v.z - this.z ) * alpha;\n\t\tthis.w += ( v.w - this.w ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\t\tthis.z = v1.z + ( v2.z - v1.z ) * alpha;\n\t\tthis.w = v1.w + ( v2.w - v1.w ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\t\tthis.z = array[ offset + 2 ];\n\t\tthis.w = array[ offset + 3 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\t\tarray[ offset + 2 ] = this.z;\n\t\tarray[ offset + 3 ] = this.w;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\t\tthis.z = attribute.getZ( index );\n\t\tthis.w = attribute.getW( index );\n\n\t\treturn this;\n\n\t}\n\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\t\tthis.z = Math.random();\n\t\tthis.w = Math.random();\n\n\t\treturn this;\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.x;\n\t\tyield this.y;\n\t\tyield this.z;\n\t\tyield this.w;\n\n\t}\n\n}\n\n/*\n In options, we can specify:\n * Texture parameters for an auto-generated target texture\n * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers\n*/\nclass RenderTarget extends EventDispatcher {\n\n\tconstructor( width = 1, height = 1, options = {} ) {\n\n\t\tsuper();\n\n\t\tthis.isRenderTarget = true;\n\n\t\tthis.width = width;\n\t\tthis.height = height;\n\t\tthis.depth = 1;\n\n\t\tthis.scissor = new Vector4( 0, 0, width, height );\n\t\tthis.scissorTest = false;\n\n\t\tthis.viewport = new Vector4( 0, 0, width, height );\n\n\t\tconst image = { width: width, height: height, depth: 1 };\n\n\t\toptions = Object.assign( {\n\t\t\tgenerateMipmaps: false,\n\t\t\tinternalFormat: null,\n\t\t\tminFilter: LinearFilter,\n\t\t\tdepthBuffer: true,\n\t\t\tstencilBuffer: false,\n\t\t\tresolveDepthBuffer: true,\n\t\t\tresolveStencilBuffer: true,\n\t\t\tdepthTexture: null,\n\t\t\tsamples: 0,\n\t\t\tcount: 1\n\t\t}, options );\n\n\t\tconst texture = new Texture( image, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.colorSpace );\n\n\t\ttexture.flipY = false;\n\t\ttexture.generateMipmaps = options.generateMipmaps;\n\t\ttexture.internalFormat = options.internalFormat;\n\n\t\tthis.textures = [];\n\n\t\tconst count = options.count;\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tthis.textures[ i ] = texture.clone();\n\t\t\tthis.textures[ i ].isRenderTargetTexture = true;\n\t\t\tthis.textures[ i ].renderTarget = this;\n\n\t\t}\n\n\t\tthis.depthBuffer = options.depthBuffer;\n\t\tthis.stencilBuffer = options.stencilBuffer;\n\n\t\tthis.resolveDepthBuffer = options.resolveDepthBuffer;\n\t\tthis.resolveStencilBuffer = options.resolveStencilBuffer;\n\n\t\tthis._depthTexture = null;\n\t\tthis.depthTexture = options.depthTexture;\n\n\t\tthis.samples = options.samples;\n\n\t}\n\n\tget texture() {\n\n\t\treturn this.textures[ 0 ];\n\n\t}\n\n\tset texture( value ) {\n\n\t\tthis.textures[ 0 ] = value;\n\n\t}\n\n\tset depthTexture( current ) {\n\n\t\tif ( this._depthTexture !== null ) this._depthTexture.renderTarget = null;\n\t\tif ( current !== null ) current.renderTarget = this;\n\n\t\tthis._depthTexture = current;\n\n\t}\n\n\tget depthTexture() {\n\n\t\treturn this._depthTexture;\n\n\t}\n\n\tsetSize( width, height, depth = 1 ) {\n\n\t\tif ( this.width !== width || this.height !== height || this.depth !== depth ) {\n\n\t\t\tthis.width = width;\n\t\t\tthis.height = height;\n\t\t\tthis.depth = depth;\n\n\t\t\tfor ( let i = 0, il = this.textures.length; i < il; i ++ ) {\n\n\t\t\t\tthis.textures[ i ].image.width = width;\n\t\t\t\tthis.textures[ i ].image.height = height;\n\t\t\t\tthis.textures[ i ].image.depth = depth;\n\n\t\t\t}\n\n\t\t\tthis.dispose();\n\n\t\t}\n\n\t\tthis.viewport.set( 0, 0, width, height );\n\t\tthis.scissor.set( 0, 0, width, height );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.width = source.width;\n\t\tthis.height = source.height;\n\t\tthis.depth = source.depth;\n\n\t\tthis.scissor.copy( source.scissor );\n\t\tthis.scissorTest = source.scissorTest;\n\n\t\tthis.viewport.copy( source.viewport );\n\n\t\tthis.textures.length = 0;\n\n\t\tfor ( let i = 0, il = source.textures.length; i < il; i ++ ) {\n\n\t\t\tthis.textures[ i ] = source.textures[ i ].clone();\n\t\t\tthis.textures[ i ].isRenderTargetTexture = true;\n\t\t\tthis.textures[ i ].renderTarget = this;\n\n\t\t}\n\n\t\t// ensure image object is not shared, see #20328\n\n\t\tconst image = Object.assign( {}, source.texture.image );\n\t\tthis.texture.source = new Source( image );\n\n\t\tthis.depthBuffer = source.depthBuffer;\n\t\tthis.stencilBuffer = source.stencilBuffer;\n\n\t\tthis.resolveDepthBuffer = source.resolveDepthBuffer;\n\t\tthis.resolveStencilBuffer = source.resolveStencilBuffer;\n\n\t\tif ( source.depthTexture !== null ) this.depthTexture = source.depthTexture.clone();\n\n\t\tthis.samples = source.samples;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n}\n\nclass WebGLRenderTarget extends RenderTarget {\n\n\tconstructor( width = 1, height = 1, options = {} ) {\n\n\t\tsuper( width, height, options );\n\n\t\tthis.isWebGLRenderTarget = true;\n\n\t}\n\n}\n\nclass DataArrayTexture extends Texture {\n\n\tconstructor( data = null, width = 1, height = 1, depth = 1 ) {\n\n\t\tsuper( null );\n\n\t\tthis.isDataArrayTexture = true;\n\n\t\tthis.image = { data, width, height, depth };\n\n\t\tthis.magFilter = NearestFilter;\n\t\tthis.minFilter = NearestFilter;\n\n\t\tthis.wrapR = ClampToEdgeWrapping;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t\tthis.layerUpdates = new Set();\n\n\t}\n\n\taddLayerUpdate( layerIndex ) {\n\n\t\tthis.layerUpdates.add( layerIndex );\n\n\t}\n\n\tclearLayerUpdates() {\n\n\t\tthis.layerUpdates.clear();\n\n\t}\n\n}\n\nclass WebGLArrayRenderTarget extends WebGLRenderTarget {\n\n\tconstructor( width = 1, height = 1, depth = 1, options = {} ) {\n\n\t\tsuper( width, height, options );\n\n\t\tthis.isWebGLArrayRenderTarget = true;\n\n\t\tthis.depth = depth;\n\n\t\tthis.texture = new DataArrayTexture( null, width, height, depth );\n\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t}\n\n}\n\nclass Data3DTexture extends Texture {\n\n\tconstructor( data = null, width = 1, height = 1, depth = 1 ) {\n\n\t\t// We're going to add .setXXX() methods for setting properties later.\n\t\t// Users can still set in Data3DTexture directly.\n\t\t//\n\t\t//\tconst texture = new THREE.Data3DTexture( data, width, height, depth );\n\t\t// \ttexture.anisotropy = 16;\n\t\t//\n\t\t// See #14839\n\n\t\tsuper( null );\n\n\t\tthis.isData3DTexture = true;\n\n\t\tthis.image = { data, width, height, depth };\n\n\t\tthis.magFilter = NearestFilter;\n\t\tthis.minFilter = NearestFilter;\n\n\t\tthis.wrapR = ClampToEdgeWrapping;\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t}\n\n}\n\nclass WebGL3DRenderTarget extends WebGLRenderTarget {\n\n\tconstructor( width = 1, height = 1, depth = 1, options = {} ) {\n\n\t\tsuper( width, height, options );\n\n\t\tthis.isWebGL3DRenderTarget = true;\n\n\t\tthis.depth = depth;\n\n\t\tthis.texture = new Data3DTexture( null, width, height, depth );\n\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t}\n\n}\n\nclass Quaternion {\n\n\tconstructor( x = 0, y = 0, z = 0, w = 1 ) {\n\n\t\tthis.isQuaternion = true;\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._w = w;\n\n\t}\n\n\tstatic slerpFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) {\n\n\t\t// fuzz-free, array-based Quaternion SLERP operation\n\n\t\tlet x0 = src0[ srcOffset0 + 0 ],\n\t\t\ty0 = src0[ srcOffset0 + 1 ],\n\t\t\tz0 = src0[ srcOffset0 + 2 ],\n\t\t\tw0 = src0[ srcOffset0 + 3 ];\n\n\t\tconst x1 = src1[ srcOffset1 + 0 ],\n\t\t\ty1 = src1[ srcOffset1 + 1 ],\n\t\t\tz1 = src1[ srcOffset1 + 2 ],\n\t\t\tw1 = src1[ srcOffset1 + 3 ];\n\n\t\tif ( t === 0 ) {\n\n\t\t\tdst[ dstOffset + 0 ] = x0;\n\t\t\tdst[ dstOffset + 1 ] = y0;\n\t\t\tdst[ dstOffset + 2 ] = z0;\n\t\t\tdst[ dstOffset + 3 ] = w0;\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( t === 1 ) {\n\n\t\t\tdst[ dstOffset + 0 ] = x1;\n\t\t\tdst[ dstOffset + 1 ] = y1;\n\t\t\tdst[ dstOffset + 2 ] = z1;\n\t\t\tdst[ dstOffset + 3 ] = w1;\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) {\n\n\t\t\tlet s = 1 - t;\n\t\t\tconst cos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1,\n\t\t\t\tdir = ( cos >= 0 ? 1 : - 1 ),\n\t\t\t\tsqrSin = 1 - cos * cos;\n\n\t\t\t// Skip the Slerp for tiny steps to avoid numeric problems:\n\t\t\tif ( sqrSin > Number.EPSILON ) {\n\n\t\t\t\tconst sin = Math.sqrt( sqrSin ),\n\t\t\t\t\tlen = Math.atan2( sin, cos * dir );\n\n\t\t\t\ts = Math.sin( s * len ) / sin;\n\t\t\t\tt = Math.sin( t * len ) / sin;\n\n\t\t\t}\n\n\t\t\tconst tDir = t * dir;\n\n\t\t\tx0 = x0 * s + x1 * tDir;\n\t\t\ty0 = y0 * s + y1 * tDir;\n\t\t\tz0 = z0 * s + z1 * tDir;\n\t\t\tw0 = w0 * s + w1 * tDir;\n\n\t\t\t// Normalize in case we just did a lerp:\n\t\t\tif ( s === 1 - t ) {\n\n\t\t\t\tconst f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 );\n\n\t\t\t\tx0 *= f;\n\t\t\t\ty0 *= f;\n\t\t\t\tz0 *= f;\n\t\t\t\tw0 *= f;\n\n\t\t\t}\n\n\t\t}\n\n\t\tdst[ dstOffset ] = x0;\n\t\tdst[ dstOffset + 1 ] = y0;\n\t\tdst[ dstOffset + 2 ] = z0;\n\t\tdst[ dstOffset + 3 ] = w0;\n\n\t}\n\n\tstatic multiplyQuaternionsFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1 ) {\n\n\t\tconst x0 = src0[ srcOffset0 ];\n\t\tconst y0 = src0[ srcOffset0 + 1 ];\n\t\tconst z0 = src0[ srcOffset0 + 2 ];\n\t\tconst w0 = src0[ srcOffset0 + 3 ];\n\n\t\tconst x1 = src1[ srcOffset1 ];\n\t\tconst y1 = src1[ srcOffset1 + 1 ];\n\t\tconst z1 = src1[ srcOffset1 + 2 ];\n\t\tconst w1 = src1[ srcOffset1 + 3 ];\n\n\t\tdst[ dstOffset ] = x0 * w1 + w0 * x1 + y0 * z1 - z0 * y1;\n\t\tdst[ dstOffset + 1 ] = y0 * w1 + w0 * y1 + z0 * x1 - x0 * z1;\n\t\tdst[ dstOffset + 2 ] = z0 * w1 + w0 * z1 + x0 * y1 - y0 * x1;\n\t\tdst[ dstOffset + 3 ] = w0 * w1 - x0 * x1 - y0 * y1 - z0 * z1;\n\n\t\treturn dst;\n\n\t}\n\n\tget x() {\n\n\t\treturn this._x;\n\n\t}\n\n\tset x( value ) {\n\n\t\tthis._x = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget y() {\n\n\t\treturn this._y;\n\n\t}\n\n\tset y( value ) {\n\n\t\tthis._y = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget z() {\n\n\t\treturn this._z;\n\n\t}\n\n\tset z( value ) {\n\n\t\tthis._z = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget w() {\n\n\t\treturn this._w;\n\n\t}\n\n\tset w( value ) {\n\n\t\tthis._w = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tset( x, y, z, w ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._w = w;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this._x, this._y, this._z, this._w );\n\n\t}\n\n\tcopy( quaternion ) {\n\n\t\tthis._x = quaternion.x;\n\t\tthis._y = quaternion.y;\n\t\tthis._z = quaternion.z;\n\t\tthis._w = quaternion.w;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromEuler( euler, update = true ) {\n\n\t\tconst x = euler._x, y = euler._y, z = euler._z, order = euler._order;\n\n\t\t// http://www.mathworks.com/matlabcentral/fileexchange/\n\t\t// \t20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/\n\t\t//\tcontent/SpinCalc.m\n\n\t\tconst cos = Math.cos;\n\t\tconst sin = Math.sin;\n\n\t\tconst c1 = cos( x / 2 );\n\t\tconst c2 = cos( y / 2 );\n\t\tconst c3 = cos( z / 2 );\n\n\t\tconst s1 = sin( x / 2 );\n\t\tconst s2 = sin( y / 2 );\n\t\tconst s3 = sin( z / 2 );\n\n\t\tswitch ( order ) {\n\n\t\t\tcase 'XYZ':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'YXZ':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZXY':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZYX':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'YZX':\n\t\t\t\tthis._x = s1 * c2 * c3 + c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 + s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 - s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 - s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tcase 'XZY':\n\t\t\t\tthis._x = s1 * c2 * c3 - c1 * s2 * s3;\n\t\t\t\tthis._y = c1 * s2 * c3 - s1 * c2 * s3;\n\t\t\t\tthis._z = c1 * c2 * s3 + s1 * s2 * c3;\n\t\t\t\tthis._w = c1 * c2 * c3 + s1 * s2 * s3;\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tconsole.warn( 'THREE.Quaternion: .setFromEuler() encountered an unknown order: ' + order );\n\n\t\t}\n\n\t\tif ( update === true ) this._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromAxisAngle( axis, angle ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm\n\n\t\t// assumes axis is normalized\n\n\t\tconst halfAngle = angle / 2, s = Math.sin( halfAngle );\n\n\t\tthis._x = axis.x * s;\n\t\tthis._y = axis.y * s;\n\t\tthis._z = axis.z * s;\n\t\tthis._w = Math.cos( halfAngle );\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromRotationMatrix( m ) {\n\n\t\t// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tconst te = m.elements,\n\n\t\t\tm11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ],\n\t\t\tm21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ],\n\t\t\tm31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ],\n\n\t\t\ttrace = m11 + m22 + m33;\n\n\t\tif ( trace > 0 ) {\n\n\t\t\tconst s = 0.5 / Math.sqrt( trace + 1.0 );\n\n\t\t\tthis._w = 0.25 / s;\n\t\t\tthis._x = ( m32 - m23 ) * s;\n\t\t\tthis._y = ( m13 - m31 ) * s;\n\t\t\tthis._z = ( m21 - m12 ) * s;\n\n\t\t} else if ( m11 > m22 && m11 > m33 ) {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 );\n\n\t\t\tthis._w = ( m32 - m23 ) / s;\n\t\t\tthis._x = 0.25 * s;\n\t\t\tthis._y = ( m12 + m21 ) / s;\n\t\t\tthis._z = ( m13 + m31 ) / s;\n\n\t\t} else if ( m22 > m33 ) {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 );\n\n\t\t\tthis._w = ( m13 - m31 ) / s;\n\t\t\tthis._x = ( m12 + m21 ) / s;\n\t\t\tthis._y = 0.25 * s;\n\t\t\tthis._z = ( m23 + m32 ) / s;\n\n\t\t} else {\n\n\t\t\tconst s = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 );\n\n\t\t\tthis._w = ( m21 - m12 ) / s;\n\t\t\tthis._x = ( m13 + m31 ) / s;\n\t\t\tthis._y = ( m23 + m32 ) / s;\n\t\t\tthis._z = 0.25 * s;\n\n\t\t}\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromUnitVectors( vFrom, vTo ) {\n\n\t\t// assumes direction vectors vFrom and vTo are normalized\n\n\t\tlet r = vFrom.dot( vTo ) + 1;\n\n\t\tif ( r < Number.EPSILON ) {\n\n\t\t\t// vFrom and vTo point in opposite directions\n\n\t\t\tr = 0;\n\n\t\t\tif ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) {\n\n\t\t\t\tthis._x = - vFrom.y;\n\t\t\t\tthis._y = vFrom.x;\n\t\t\t\tthis._z = 0;\n\t\t\t\tthis._w = r;\n\n\t\t\t} else {\n\n\t\t\t\tthis._x = 0;\n\t\t\t\tthis._y = - vFrom.z;\n\t\t\t\tthis._z = vFrom.y;\n\t\t\t\tthis._w = r;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// crossVectors( vFrom, vTo ); // inlined to avoid cyclic dependency on Vector3\n\n\t\t\tthis._x = vFrom.y * vTo.z - vFrom.z * vTo.y;\n\t\t\tthis._y = vFrom.z * vTo.x - vFrom.x * vTo.z;\n\t\t\tthis._z = vFrom.x * vTo.y - vFrom.y * vTo.x;\n\t\t\tthis._w = r;\n\n\t\t}\n\n\t\treturn this.normalize();\n\n\t}\n\n\tangleTo( q ) {\n\n\t\treturn 2 * Math.acos( Math.abs( clamp( this.dot( q ), - 1, 1 ) ) );\n\n\t}\n\n\trotateTowards( q, step ) {\n\n\t\tconst angle = this.angleTo( q );\n\n\t\tif ( angle === 0 ) return this;\n\n\t\tconst t = Math.min( 1, step / angle );\n\n\t\tthis.slerp( q, t );\n\n\t\treturn this;\n\n\t}\n\n\tidentity() {\n\n\t\treturn this.set( 0, 0, 0, 1 );\n\n\t}\n\n\tinvert() {\n\n\t\t// quaternion is assumed to have unit length\n\n\t\treturn this.conjugate();\n\n\t}\n\n\tconjugate() {\n\n\t\tthis._x *= - 1;\n\t\tthis._y *= - 1;\n\t\tthis._z *= - 1;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w;\n\n\t}\n\n\tlengthSq() {\n\n\t\treturn this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w );\n\n\t}\n\n\tnormalize() {\n\n\t\tlet l = this.length();\n\n\t\tif ( l === 0 ) {\n\n\t\t\tthis._x = 0;\n\t\t\tthis._y = 0;\n\t\t\tthis._z = 0;\n\t\t\tthis._w = 1;\n\n\t\t} else {\n\n\t\t\tl = 1 / l;\n\n\t\t\tthis._x = this._x * l;\n\t\t\tthis._y = this._y * l;\n\t\t\tthis._z = this._z * l;\n\t\t\tthis._w = this._w * l;\n\n\t\t}\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( q ) {\n\n\t\treturn this.multiplyQuaternions( this, q );\n\n\t}\n\n\tpremultiply( q ) {\n\n\t\treturn this.multiplyQuaternions( q, this );\n\n\t}\n\n\tmultiplyQuaternions( a, b ) {\n\n\t\t// from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm\n\n\t\tconst qax = a._x, qay = a._y, qaz = a._z, qaw = a._w;\n\t\tconst qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w;\n\n\t\tthis._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby;\n\t\tthis._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz;\n\t\tthis._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx;\n\t\tthis._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tslerp( qb, t ) {\n\n\t\tif ( t === 0 ) return this;\n\t\tif ( t === 1 ) return this.copy( qb );\n\n\t\tconst x = this._x, y = this._y, z = this._z, w = this._w;\n\n\t\t// http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/\n\n\t\tlet cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z;\n\n\t\tif ( cosHalfTheta < 0 ) {\n\n\t\t\tthis._w = - qb._w;\n\t\t\tthis._x = - qb._x;\n\t\t\tthis._y = - qb._y;\n\t\t\tthis._z = - qb._z;\n\n\t\t\tcosHalfTheta = - cosHalfTheta;\n\n\t\t} else {\n\n\t\t\tthis.copy( qb );\n\n\t\t}\n\n\t\tif ( cosHalfTheta >= 1.0 ) {\n\n\t\t\tthis._w = w;\n\t\t\tthis._x = x;\n\t\t\tthis._y = y;\n\t\t\tthis._z = z;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst sqrSinHalfTheta = 1.0 - cosHalfTheta * cosHalfTheta;\n\n\t\tif ( sqrSinHalfTheta <= Number.EPSILON ) {\n\n\t\t\tconst s = 1 - t;\n\t\t\tthis._w = s * w + t * this._w;\n\t\t\tthis._x = s * x + t * this._x;\n\t\t\tthis._y = s * y + t * this._y;\n\t\t\tthis._z = s * z + t * this._z;\n\n\t\t\tthis.normalize(); // normalize calls _onChangeCallback()\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst sinHalfTheta = Math.sqrt( sqrSinHalfTheta );\n\t\tconst halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta );\n\t\tconst ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta,\n\t\t\tratioB = Math.sin( t * halfTheta ) / sinHalfTheta;\n\n\t\tthis._w = ( w * ratioA + this._w * ratioB );\n\t\tthis._x = ( x * ratioA + this._x * ratioB );\n\t\tthis._y = ( y * ratioA + this._y * ratioB );\n\t\tthis._z = ( z * ratioA + this._z * ratioB );\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tslerpQuaternions( qa, qb, t ) {\n\n\t\treturn this.copy( qa ).slerp( qb, t );\n\n\t}\n\n\trandom() {\n\n\t\t// sets this quaternion to a uniform random unit quaternnion\n\n\t\t// Ken Shoemake\n\t\t// Uniform random rotations\n\t\t// D. Kirk, editor, Graphics Gems III, pages 124-132. Academic Press, New York, 1992.\n\n\t\tconst theta1 = 2 * Math.PI * Math.random();\n\t\tconst theta2 = 2 * Math.PI * Math.random();\n\n\t\tconst x0 = Math.random();\n\t\tconst r1 = Math.sqrt( 1 - x0 );\n\t\tconst r2 = Math.sqrt( x0 );\n\n\t\treturn this.set(\n\t\t\tr1 * Math.sin( theta1 ),\n\t\t\tr1 * Math.cos( theta1 ),\n\t\t\tr2 * Math.sin( theta2 ),\n\t\t\tr2 * Math.cos( theta2 ),\n\t\t);\n\n\t}\n\n\tequals( quaternion ) {\n\n\t\treturn ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis._x = array[ offset ];\n\t\tthis._y = array[ offset + 1 ];\n\t\tthis._z = array[ offset + 2 ];\n\t\tthis._w = array[ offset + 3 ];\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this._x;\n\t\tarray[ offset + 1 ] = this._y;\n\t\tarray[ offset + 2 ] = this._z;\n\t\tarray[ offset + 3 ] = this._w;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis._x = attribute.getX( index );\n\t\tthis._y = attribute.getY( index );\n\t\tthis._z = attribute.getZ( index );\n\t\tthis._w = attribute.getW( index );\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\treturn this.toArray();\n\n\t}\n\n\t_onChange( callback ) {\n\n\t\tthis._onChangeCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\t_onChangeCallback() {}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this._x;\n\t\tyield this._y;\n\t\tyield this._z;\n\t\tyield this._w;\n\n\t}\n\n}\n\nclass Vector3 {\n\n\tconstructor( x = 0, y = 0, z = 0 ) {\n\n\t\tVector3.prototype.isVector3 = true;\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\n\t}\n\n\tset( x, y, z ) {\n\n\t\tif ( z === undefined ) z = this.z; // sprite.scale.set(x,y)\n\n\t\tthis.x = x;\n\t\tthis.y = y;\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.x = scalar;\n\t\tthis.y = scalar;\n\t\tthis.z = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( x ) {\n\n\t\tthis.x = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( y ) {\n\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetZ( z ) {\n\n\t\tthis.z = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponent( index, value ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: this.x = value; break;\n\t\t\tcase 1: this.y = value; break;\n\t\t\tcase 2: this.z = value; break;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index ) {\n\n\t\tswitch ( index ) {\n\n\t\t\tcase 0: return this.x;\n\t\t\tcase 1: return this.y;\n\t\t\tcase 2: return this.z;\n\t\t\tdefault: throw new Error( 'index is out of range: ' + index );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.x, this.y, this.z );\n\n\t}\n\n\tcopy( v ) {\n\n\t\tthis.x = v.x;\n\t\tthis.y = v.y;\n\t\tthis.z = v.z;\n\n\t\treturn this;\n\n\t}\n\n\tadd( v ) {\n\n\t\tthis.x += v.x;\n\t\tthis.y += v.y;\n\t\tthis.z += v.z;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.x += s;\n\t\tthis.y += s;\n\t\tthis.z += s;\n\n\t\treturn this;\n\n\t}\n\n\taddVectors( a, b ) {\n\n\t\tthis.x = a.x + b.x;\n\t\tthis.y = a.y + b.y;\n\t\tthis.z = a.z + b.z;\n\n\t\treturn this;\n\n\t}\n\n\taddScaledVector( v, s ) {\n\n\t\tthis.x += v.x * s;\n\t\tthis.y += v.y * s;\n\t\tthis.z += v.z * s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( v ) {\n\n\t\tthis.x -= v.x;\n\t\tthis.y -= v.y;\n\t\tthis.z -= v.z;\n\n\t\treturn this;\n\n\t}\n\n\tsubScalar( s ) {\n\n\t\tthis.x -= s;\n\t\tthis.y -= s;\n\t\tthis.z -= s;\n\n\t\treturn this;\n\n\t}\n\n\tsubVectors( a, b ) {\n\n\t\tthis.x = a.x - b.x;\n\t\tthis.y = a.y - b.y;\n\t\tthis.z = a.z - b.z;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( v ) {\n\n\t\tthis.x *= v.x;\n\t\tthis.y *= v.y;\n\t\tthis.z *= v.z;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( scalar ) {\n\n\t\tthis.x *= scalar;\n\t\tthis.y *= scalar;\n\t\tthis.z *= scalar;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyVectors( a, b ) {\n\n\t\tthis.x = a.x * b.x;\n\t\tthis.y = a.y * b.y;\n\t\tthis.z = a.z * b.z;\n\n\t\treturn this;\n\n\t}\n\n\tapplyEuler( euler ) {\n\n\t\treturn this.applyQuaternion( _quaternion$4.setFromEuler( euler ) );\n\n\t}\n\n\tapplyAxisAngle( axis, angle ) {\n\n\t\treturn this.applyQuaternion( _quaternion$4.setFromAxisAngle( axis, angle ) );\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z;\n\t\tthis.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z;\n\t\tthis.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z;\n\n\t\treturn this;\n\n\t}\n\n\tapplyNormalMatrix( m ) {\n\n\t\treturn this.applyMatrix3( m ).normalize();\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tconst w = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] );\n\n\t\tthis.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * w;\n\t\tthis.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * w;\n\t\tthis.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * w;\n\n\t\treturn this;\n\n\t}\n\n\tapplyQuaternion( q ) {\n\n\t\t// quaternion q is assumed to have unit length\n\n\t\tconst vx = this.x, vy = this.y, vz = this.z;\n\t\tconst qx = q.x, qy = q.y, qz = q.z, qw = q.w;\n\n\t\t// t = 2 * cross( q.xyz, v );\n\t\tconst tx = 2 * ( qy * vz - qz * vy );\n\t\tconst ty = 2 * ( qz * vx - qx * vz );\n\t\tconst tz = 2 * ( qx * vy - qy * vx );\n\n\t\t// v + q.w * t + cross( q.xyz, t );\n\t\tthis.x = vx + qw * tx + qy * tz - qz * ty;\n\t\tthis.y = vy + qw * ty + qz * tx - qx * tz;\n\t\tthis.z = vz + qw * tz + qx * ty - qy * tx;\n\n\t\treturn this;\n\n\t}\n\n\tproject( camera ) {\n\n\t\treturn this.applyMatrix4( camera.matrixWorldInverse ).applyMatrix4( camera.projectionMatrix );\n\n\t}\n\n\tunproject( camera ) {\n\n\t\treturn this.applyMatrix4( camera.projectionMatrixInverse ).applyMatrix4( camera.matrixWorld );\n\n\t}\n\n\ttransformDirection( m ) {\n\n\t\t// input: THREE.Matrix4 affine matrix\n\t\t// vector interpreted as a direction\n\n\t\tconst x = this.x, y = this.y, z = this.z;\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z;\n\t\tthis.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z;\n\t\tthis.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z;\n\n\t\treturn this.normalize();\n\n\t}\n\n\tdivide( v ) {\n\n\t\tthis.x /= v.x;\n\t\tthis.y /= v.y;\n\t\tthis.z /= v.z;\n\n\t\treturn this;\n\n\t}\n\n\tdivideScalar( scalar ) {\n\n\t\treturn this.multiplyScalar( 1 / scalar );\n\n\t}\n\n\tmin( v ) {\n\n\t\tthis.x = Math.min( this.x, v.x );\n\t\tthis.y = Math.min( this.y, v.y );\n\t\tthis.z = Math.min( this.z, v.z );\n\n\t\treturn this;\n\n\t}\n\n\tmax( v ) {\n\n\t\tthis.x = Math.max( this.x, v.x );\n\t\tthis.y = Math.max( this.y, v.y );\n\t\tthis.z = Math.max( this.z, v.z );\n\n\t\treturn this;\n\n\t}\n\n\tclamp( min, max ) {\n\n\t\t// assumes min < max, componentwise\n\n\t\tthis.x = clamp( this.x, min.x, max.x );\n\t\tthis.y = clamp( this.y, min.y, max.y );\n\t\tthis.z = clamp( this.z, min.z, max.z );\n\n\t\treturn this;\n\n\t}\n\n\tclampScalar( minVal, maxVal ) {\n\n\t\tthis.x = clamp( this.x, minVal, maxVal );\n\t\tthis.y = clamp( this.y, minVal, maxVal );\n\t\tthis.z = clamp( this.z, minVal, maxVal );\n\n\t\treturn this;\n\n\t}\n\n\tclampLength( min, max ) {\n\n\t\tconst length = this.length();\n\n\t\treturn this.divideScalar( length || 1 ).multiplyScalar( clamp( length, min, max ) );\n\n\t}\n\n\tfloor() {\n\n\t\tthis.x = Math.floor( this.x );\n\t\tthis.y = Math.floor( this.y );\n\t\tthis.z = Math.floor( this.z );\n\n\t\treturn this;\n\n\t}\n\n\tceil() {\n\n\t\tthis.x = Math.ceil( this.x );\n\t\tthis.y = Math.ceil( this.y );\n\t\tthis.z = Math.ceil( this.z );\n\n\t\treturn this;\n\n\t}\n\n\tround() {\n\n\t\tthis.x = Math.round( this.x );\n\t\tthis.y = Math.round( this.y );\n\t\tthis.z = Math.round( this.z );\n\n\t\treturn this;\n\n\t}\n\n\troundToZero() {\n\n\t\tthis.x = Math.trunc( this.x );\n\t\tthis.y = Math.trunc( this.y );\n\t\tthis.z = Math.trunc( this.z );\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.x = - this.x;\n\t\tthis.y = - this.y;\n\t\tthis.z = - this.z;\n\n\t\treturn this;\n\n\t}\n\n\tdot( v ) {\n\n\t\treturn this.x * v.x + this.y * v.y + this.z * v.z;\n\n\t}\n\n\t// TODO lengthSquared?\n\n\tlengthSq() {\n\n\t\treturn this.x * this.x + this.y * this.y + this.z * this.z;\n\n\t}\n\n\tlength() {\n\n\t\treturn Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z );\n\n\t}\n\n\tmanhattanLength() {\n\n\t\treturn Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z );\n\n\t}\n\n\tnormalize() {\n\n\t\treturn this.divideScalar( this.length() || 1 );\n\n\t}\n\n\tsetLength( length ) {\n\n\t\treturn this.normalize().multiplyScalar( length );\n\n\t}\n\n\tlerp( v, alpha ) {\n\n\t\tthis.x += ( v.x - this.x ) * alpha;\n\t\tthis.y += ( v.y - this.y ) * alpha;\n\t\tthis.z += ( v.z - this.z ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpVectors( v1, v2, alpha ) {\n\n\t\tthis.x = v1.x + ( v2.x - v1.x ) * alpha;\n\t\tthis.y = v1.y + ( v2.y - v1.y ) * alpha;\n\t\tthis.z = v1.z + ( v2.z - v1.z ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tcross( v ) {\n\n\t\treturn this.crossVectors( this, v );\n\n\t}\n\n\tcrossVectors( a, b ) {\n\n\t\tconst ax = a.x, ay = a.y, az = a.z;\n\t\tconst bx = b.x, by = b.y, bz = b.z;\n\n\t\tthis.x = ay * bz - az * by;\n\t\tthis.y = az * bx - ax * bz;\n\t\tthis.z = ax * by - ay * bx;\n\n\t\treturn this;\n\n\t}\n\n\tprojectOnVector( v ) {\n\n\t\tconst denominator = v.lengthSq();\n\n\t\tif ( denominator === 0 ) return this.set( 0, 0, 0 );\n\n\t\tconst scalar = v.dot( this ) / denominator;\n\n\t\treturn this.copy( v ).multiplyScalar( scalar );\n\n\t}\n\n\tprojectOnPlane( planeNormal ) {\n\n\t\t_vector$c.copy( this ).projectOnVector( planeNormal );\n\n\t\treturn this.sub( _vector$c );\n\n\t}\n\n\treflect( normal ) {\n\n\t\t// reflect incident vector off plane orthogonal to normal\n\t\t// normal is assumed to have unit length\n\n\t\treturn this.sub( _vector$c.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) );\n\n\t}\n\n\tangleTo( v ) {\n\n\t\tconst denominator = Math.sqrt( this.lengthSq() * v.lengthSq() );\n\n\t\tif ( denominator === 0 ) return Math.PI / 2;\n\n\t\tconst theta = this.dot( v ) / denominator;\n\n\t\t// clamp, to handle numerical problems\n\n\t\treturn Math.acos( clamp( theta, - 1, 1 ) );\n\n\t}\n\n\tdistanceTo( v ) {\n\n\t\treturn Math.sqrt( this.distanceToSquared( v ) );\n\n\t}\n\n\tdistanceToSquared( v ) {\n\n\t\tconst dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z;\n\n\t\treturn dx * dx + dy * dy + dz * dz;\n\n\t}\n\n\tmanhattanDistanceTo( v ) {\n\n\t\treturn Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z );\n\n\t}\n\n\tsetFromSpherical( s ) {\n\n\t\treturn this.setFromSphericalCoords( s.radius, s.phi, s.theta );\n\n\t}\n\n\tsetFromSphericalCoords( radius, phi, theta ) {\n\n\t\tconst sinPhiRadius = Math.sin( phi ) * radius;\n\n\t\tthis.x = sinPhiRadius * Math.sin( theta );\n\t\tthis.y = Math.cos( phi ) * radius;\n\t\tthis.z = sinPhiRadius * Math.cos( theta );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCylindrical( c ) {\n\n\t\treturn this.setFromCylindricalCoords( c.radius, c.theta, c.y );\n\n\t}\n\n\tsetFromCylindricalCoords( radius, theta, y ) {\n\n\t\tthis.x = radius * Math.sin( theta );\n\t\tthis.y = y;\n\t\tthis.z = radius * Math.cos( theta );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixPosition( m ) {\n\n\t\tconst e = m.elements;\n\n\t\tthis.x = e[ 12 ];\n\t\tthis.y = e[ 13 ];\n\t\tthis.z = e[ 14 ];\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixScale( m ) {\n\n\t\tconst sx = this.setFromMatrixColumn( m, 0 ).length();\n\t\tconst sy = this.setFromMatrixColumn( m, 1 ).length();\n\t\tconst sz = this.setFromMatrixColumn( m, 2 ).length();\n\n\t\tthis.x = sx;\n\t\tthis.y = sy;\n\t\tthis.z = sz;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrixColumn( m, index ) {\n\n\t\treturn this.fromArray( m.elements, index * 4 );\n\n\t}\n\n\tsetFromMatrix3Column( m, index ) {\n\n\t\treturn this.fromArray( m.elements, index * 3 );\n\n\t}\n\n\tsetFromEuler( e ) {\n\n\t\tthis.x = e._x;\n\t\tthis.y = e._y;\n\t\tthis.z = e._z;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromColor( c ) {\n\n\t\tthis.x = c.r;\n\t\tthis.y = c.g;\n\t\tthis.z = c.b;\n\n\t\treturn this;\n\n\t}\n\n\tequals( v ) {\n\n\t\treturn ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.x = array[ offset ];\n\t\tthis.y = array[ offset + 1 ];\n\t\tthis.z = array[ offset + 2 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.x;\n\t\tarray[ offset + 1 ] = this.y;\n\t\tarray[ offset + 2 ] = this.z;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis.x = attribute.getX( index );\n\t\tthis.y = attribute.getY( index );\n\t\tthis.z = attribute.getZ( index );\n\n\t\treturn this;\n\n\t}\n\n\trandom() {\n\n\t\tthis.x = Math.random();\n\t\tthis.y = Math.random();\n\t\tthis.z = Math.random();\n\n\t\treturn this;\n\n\t}\n\n\trandomDirection() {\n\n\t\t// https://mathworld.wolfram.com/SpherePointPicking.html\n\n\t\tconst theta = Math.random() * Math.PI * 2;\n\t\tconst u = Math.random() * 2 - 1;\n\t\tconst c = Math.sqrt( 1 - u * u );\n\n\t\tthis.x = c * Math.cos( theta );\n\t\tthis.y = u;\n\t\tthis.z = c * Math.sin( theta );\n\n\t\treturn this;\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.x;\n\t\tyield this.y;\n\t\tyield this.z;\n\n\t}\n\n}\n\nconst _vector$c = /*@__PURE__*/ new Vector3();\nconst _quaternion$4 = /*@__PURE__*/ new Quaternion();\n\nclass Box3 {\n\n\tconstructor( min = new Vector3( + Infinity, + Infinity, + Infinity ), max = new Vector3( - Infinity, - Infinity, - Infinity ) ) {\n\n\t\tthis.isBox3 = true;\n\n\t\tthis.min = min;\n\t\tthis.max = max;\n\n\t}\n\n\tset( min, max ) {\n\n\t\tthis.min.copy( min );\n\t\tthis.max.copy( max );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromArray( array ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = array.length; i < il; i += 3 ) {\n\n\t\t\tthis.expandByPoint( _vector$b.fromArray( array, i ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromBufferAttribute( attribute ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = attribute.count; i < il; i ++ ) {\n\n\t\t\tthis.expandByPoint( _vector$b.fromBufferAttribute( attribute, i ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCenterAndSize( center, size ) {\n\n\t\tconst halfSize = _vector$b.copy( size ).multiplyScalar( 0.5 );\n\n\t\tthis.min.copy( center ).sub( halfSize );\n\t\tthis.max.copy( center ).add( halfSize );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromObject( object, precise = false ) {\n\n\t\tthis.makeEmpty();\n\n\t\treturn this.expandByObject( object, precise );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( box ) {\n\n\t\tthis.min.copy( box.min );\n\t\tthis.max.copy( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tmakeEmpty() {\n\n\t\tthis.min.x = this.min.y = this.min.z = + Infinity;\n\t\tthis.max.x = this.max.y = this.max.z = - Infinity;\n\n\t\treturn this;\n\n\t}\n\n\tisEmpty() {\n\n\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z );\n\n\t}\n\n\tgetCenter( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t}\n\n\tgetSize( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0, 0 ) : target.subVectors( this.max, this.min );\n\n\t}\n\n\texpandByPoint( point ) {\n\n\t\tthis.min.min( point );\n\t\tthis.max.max( point );\n\n\t\treturn this;\n\n\t}\n\n\texpandByVector( vector ) {\n\n\t\tthis.min.sub( vector );\n\t\tthis.max.add( vector );\n\n\t\treturn this;\n\n\t}\n\n\texpandByScalar( scalar ) {\n\n\t\tthis.min.addScalar( - scalar );\n\t\tthis.max.addScalar( scalar );\n\n\t\treturn this;\n\n\t}\n\n\texpandByObject( object, precise = false ) {\n\n\t\t// Computes the world-axis-aligned bounding box of an object (including its children),\n\t\t// accounting for both the object's, and children's, world transforms\n\n\t\tobject.updateWorldMatrix( false, false );\n\n\t\tconst geometry = object.geometry;\n\n\t\tif ( geometry !== undefined ) {\n\n\t\t\tconst positionAttribute = geometry.getAttribute( 'position' );\n\n\t\t\t// precise AABB computation based on vertex data requires at least a position attribute.\n\t\t\t// instancing isn't supported so far and uses the normal (conservative) code path.\n\n\t\t\tif ( precise === true && positionAttribute !== undefined && object.isInstancedMesh !== true ) {\n\n\t\t\t\tfor ( let i = 0, l = positionAttribute.count; i < l; i ++ ) {\n\n\t\t\t\t\tif ( object.isMesh === true ) {\n\n\t\t\t\t\t\tobject.getVertexPosition( i, _vector$b );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_vector$b.fromBufferAttribute( positionAttribute, i );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_vector$b.applyMatrix4( object.matrixWorld );\n\t\t\t\t\tthis.expandByPoint( _vector$b );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( object.boundingBox !== undefined ) {\n\n\t\t\t\t\t// object-level bounding box\n\n\t\t\t\t\tif ( object.boundingBox === null ) {\n\n\t\t\t\t\t\tobject.computeBoundingBox();\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_box$4.copy( object.boundingBox );\n\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// geometry-level bounding box\n\n\t\t\t\t\tif ( geometry.boundingBox === null ) {\n\n\t\t\t\t\t\tgeometry.computeBoundingBox();\n\n\t\t\t\t\t}\n\n\t\t\t\t\t_box$4.copy( geometry.boundingBox );\n\n\t\t\t\t}\n\n\t\t\t\t_box$4.applyMatrix4( object.matrixWorld );\n\n\t\t\t\tthis.union( _box$4 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tthis.expandByObject( children[ i ], precise );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn point.x >= this.min.x && point.x <= this.max.x &&\n\t\t\tpoint.y >= this.min.y && point.y <= this.max.y &&\n\t\t\tpoint.z >= this.min.z && point.z <= this.max.z;\n\n\t}\n\n\tcontainsBox( box ) {\n\n\t\treturn this.min.x <= box.min.x && box.max.x <= this.max.x &&\n\t\t\tthis.min.y <= box.min.y && box.max.y <= this.max.y &&\n\t\t\tthis.min.z <= box.min.z && box.max.z <= this.max.z;\n\n\t}\n\n\tgetParameter( point, target ) {\n\n\t\t// This can potentially have a divide by zero if the box\n\t\t// has a size dimension of 0.\n\n\t\treturn target.set(\n\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y ),\n\t\t\t( point.z - this.min.z ) / ( this.max.z - this.min.z )\n\t\t);\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\t// using 6 splitting planes to rule out intersections.\n\t\treturn box.max.x >= this.min.x && box.min.x <= this.max.x &&\n\t\t\tbox.max.y >= this.min.y && box.min.y <= this.max.y &&\n\t\t\tbox.max.z >= this.min.z && box.min.z <= this.max.z;\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\t// Find the point on the AABB closest to the sphere center.\n\t\tthis.clampPoint( sphere.center, _vector$b );\n\n\t\t// If that point is inside the sphere, the AABB and sphere intersect.\n\t\treturn _vector$b.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t}\n\n\tintersectsPlane( plane ) {\n\n\t\t// We compute the minimum and maximum dot product values. If those values\n\t\t// are on the same side (back or front) of the plane, then there is no intersection.\n\n\t\tlet min, max;\n\n\t\tif ( plane.normal.x > 0 ) {\n\n\t\t\tmin = plane.normal.x * this.min.x;\n\t\t\tmax = plane.normal.x * this.max.x;\n\n\t\t} else {\n\n\t\t\tmin = plane.normal.x * this.max.x;\n\t\t\tmax = plane.normal.x * this.min.x;\n\n\t\t}\n\n\t\tif ( plane.normal.y > 0 ) {\n\n\t\t\tmin += plane.normal.y * this.min.y;\n\t\t\tmax += plane.normal.y * this.max.y;\n\n\t\t} else {\n\n\t\t\tmin += plane.normal.y * this.max.y;\n\t\t\tmax += plane.normal.y * this.min.y;\n\n\t\t}\n\n\t\tif ( plane.normal.z > 0 ) {\n\n\t\t\tmin += plane.normal.z * this.min.z;\n\t\t\tmax += plane.normal.z * this.max.z;\n\n\t\t} else {\n\n\t\t\tmin += plane.normal.z * this.max.z;\n\t\t\tmax += plane.normal.z * this.min.z;\n\n\t\t}\n\n\t\treturn ( min <= - plane.constant && max >= - plane.constant );\n\n\t}\n\n\tintersectsTriangle( triangle ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// compute box center and extents\n\t\tthis.getCenter( _center );\n\t\t_extents.subVectors( this.max, _center );\n\n\t\t// translate triangle to aabb origin\n\t\t_v0$2.subVectors( triangle.a, _center );\n\t\t_v1$7.subVectors( triangle.b, _center );\n\t\t_v2$4.subVectors( triangle.c, _center );\n\n\t\t// compute edge vectors for triangle\n\t\t_f0.subVectors( _v1$7, _v0$2 );\n\t\t_f1.subVectors( _v2$4, _v1$7 );\n\t\t_f2.subVectors( _v0$2, _v2$4 );\n\n\t\t// test against axes that are given by cross product combinations of the edges of the triangle and the edges of the aabb\n\t\t// make an axis testing of each of the 3 sides of the aabb against each of the 3 sides of the triangle = 9 axis of separation\n\t\t// axis_ij = u_i x f_j (u0, u1, u2 = face normals of aabb = x,y,z axes vectors since aabb is axis aligned)\n\t\tlet axes = [\n\t\t\t0, - _f0.z, _f0.y, 0, - _f1.z, _f1.y, 0, - _f2.z, _f2.y,\n\t\t\t_f0.z, 0, - _f0.x, _f1.z, 0, - _f1.x, _f2.z, 0, - _f2.x,\n\t\t\t- _f0.y, _f0.x, 0, - _f1.y, _f1.x, 0, - _f2.y, _f2.x, 0\n\t\t];\n\t\tif ( ! satForAxes( axes, _v0$2, _v1$7, _v2$4, _extents ) ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// test 3 face normals from the aabb\n\t\taxes = [ 1, 0, 0, 0, 1, 0, 0, 0, 1 ];\n\t\tif ( ! satForAxes( axes, _v0$2, _v1$7, _v2$4, _extents ) ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\t// finally testing the face normal of the triangle\n\t\t// use already existing triangle edge vectors here\n\t\t_triangleNormal.crossVectors( _f0, _f1 );\n\t\taxes = [ _triangleNormal.x, _triangleNormal.y, _triangleNormal.z ];\n\n\t\treturn satForAxes( axes, _v0$2, _v1$7, _v2$4, _extents );\n\n\t}\n\n\tclampPoint( point, target ) {\n\n\t\treturn target.copy( point ).clamp( this.min, this.max );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn this.clampPoint( point, _vector$b ).distanceTo( point );\n\n\t}\n\n\tgetBoundingSphere( target ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\ttarget.makeEmpty();\n\n\t\t} else {\n\n\t\t\tthis.getCenter( target.center );\n\n\t\t\ttarget.radius = this.getSize( _vector$b ).length() * 0.5;\n\n\t\t}\n\n\t\treturn target;\n\n\t}\n\n\tintersect( box ) {\n\n\t\tthis.min.max( box.min );\n\t\tthis.max.min( box.max );\n\n\t\t// ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values.\n\t\tif ( this.isEmpty() ) this.makeEmpty();\n\n\t\treturn this;\n\n\t}\n\n\tunion( box ) {\n\n\t\tthis.min.min( box.min );\n\t\tthis.max.max( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\t// transform of empty box is an empty box.\n\t\tif ( this.isEmpty() ) return this;\n\n\t\t// NOTE: I am using a binary pattern to specify all 2^3 combinations below\n\t\t_points[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000\n\t\t_points[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001\n\t\t_points[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010\n\t\t_points[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011\n\t\t_points[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100\n\t\t_points[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101\n\t\t_points[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110\n\t\t_points[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 111\n\n\t\tthis.setFromPoints( _points );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.min.add( offset );\n\t\tthis.max.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\tequals( box ) {\n\n\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t}\n\n}\n\nconst _points = [\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3(),\n\t/*@__PURE__*/ new Vector3()\n];\n\nconst _vector$b = /*@__PURE__*/ new Vector3();\n\nconst _box$4 = /*@__PURE__*/ new Box3();\n\n// triangle centered vertices\n\nconst _v0$2 = /*@__PURE__*/ new Vector3();\nconst _v1$7 = /*@__PURE__*/ new Vector3();\nconst _v2$4 = /*@__PURE__*/ new Vector3();\n\n// triangle edge vectors\n\nconst _f0 = /*@__PURE__*/ new Vector3();\nconst _f1 = /*@__PURE__*/ new Vector3();\nconst _f2 = /*@__PURE__*/ new Vector3();\n\nconst _center = /*@__PURE__*/ new Vector3();\nconst _extents = /*@__PURE__*/ new Vector3();\nconst _triangleNormal = /*@__PURE__*/ new Vector3();\nconst _testAxis = /*@__PURE__*/ new Vector3();\n\nfunction satForAxes( axes, v0, v1, v2, extents ) {\n\n\tfor ( let i = 0, j = axes.length - 3; i <= j; i += 3 ) {\n\n\t\t_testAxis.fromArray( axes, i );\n\t\t// project the aabb onto the separating axis\n\t\tconst r = extents.x * Math.abs( _testAxis.x ) + extents.y * Math.abs( _testAxis.y ) + extents.z * Math.abs( _testAxis.z );\n\t\t// project all 3 vertices of the triangle onto the separating axis\n\t\tconst p0 = v0.dot( _testAxis );\n\t\tconst p1 = v1.dot( _testAxis );\n\t\tconst p2 = v2.dot( _testAxis );\n\t\t// actual test, basically see if either of the most extreme of the triangle points intersects r\n\t\tif ( Math.max( - Math.max( p0, p1, p2 ), Math.min( p0, p1, p2 ) ) > r ) {\n\n\t\t\t// points of the projected triangle are outside the projected half-length of the aabb\n\t\t\t// the axis is separating and we can exit\n\t\t\treturn false;\n\n\t\t}\n\n\t}\n\n\treturn true;\n\n}\n\nconst _box$3 = /*@__PURE__*/ new Box3();\nconst _v1$6 = /*@__PURE__*/ new Vector3();\nconst _v2$3 = /*@__PURE__*/ new Vector3();\n\nclass Sphere {\n\n\tconstructor( center = new Vector3(), radius = - 1 ) {\n\n\t\tthis.isSphere = true;\n\n\t\tthis.center = center;\n\t\tthis.radius = radius;\n\n\t}\n\n\tset( center, radius ) {\n\n\t\tthis.center.copy( center );\n\t\tthis.radius = radius;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points, optionalCenter ) {\n\n\t\tconst center = this.center;\n\n\t\tif ( optionalCenter !== undefined ) {\n\n\t\t\tcenter.copy( optionalCenter );\n\n\t\t} else {\n\n\t\t\t_box$3.setFromPoints( points ).getCenter( center );\n\n\t\t}\n\n\t\tlet maxRadiusSq = 0;\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) );\n\n\t\t}\n\n\t\tthis.radius = Math.sqrt( maxRadiusSq );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( sphere ) {\n\n\t\tthis.center.copy( sphere.center );\n\t\tthis.radius = sphere.radius;\n\n\t\treturn this;\n\n\t}\n\n\tisEmpty() {\n\n\t\treturn ( this.radius < 0 );\n\n\t}\n\n\tmakeEmpty() {\n\n\t\tthis.center.set( 0, 0, 0 );\n\t\tthis.radius = - 1;\n\n\t\treturn this;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn ( point.distanceTo( this.center ) - this.radius );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\tconst radiusSum = this.radius + sphere.radius;\n\n\t\treturn sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsSphere( this );\n\n\t}\n\n\tintersectsPlane( plane ) {\n\n\t\treturn Math.abs( plane.distanceToPoint( this.center ) ) <= this.radius;\n\n\t}\n\n\tclampPoint( point, target ) {\n\n\t\tconst deltaLengthSq = this.center.distanceToSquared( point );\n\n\t\ttarget.copy( point );\n\n\t\tif ( deltaLengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\ttarget.sub( this.center ).normalize();\n\t\t\ttarget.multiplyScalar( this.radius ).add( this.center );\n\n\t\t}\n\n\t\treturn target;\n\n\t}\n\n\tgetBoundingBox( target ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\t// Empty sphere produces empty bounding box\n\t\t\ttarget.makeEmpty();\n\t\t\treturn target;\n\n\t\t}\n\n\t\ttarget.set( this.center, this.center );\n\t\ttarget.expandByScalar( this.radius );\n\n\t\treturn target;\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tthis.center.applyMatrix4( matrix );\n\t\tthis.radius = this.radius * matrix.getMaxScaleOnAxis();\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.center.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\texpandByPoint( point ) {\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\tthis.center.copy( point );\n\n\t\t\tthis.radius = 0;\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\t_v1$6.subVectors( point, this.center );\n\n\t\tconst lengthSq = _v1$6.lengthSq();\n\n\t\tif ( lengthSq > ( this.radius * this.radius ) ) {\n\n\t\t\t// calculate the minimal sphere\n\n\t\t\tconst length = Math.sqrt( lengthSq );\n\n\t\t\tconst delta = ( length - this.radius ) * 0.5;\n\n\t\t\tthis.center.addScaledVector( _v1$6, delta / length );\n\n\t\t\tthis.radius += delta;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tunion( sphere ) {\n\n\t\tif ( sphere.isEmpty() ) {\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( this.isEmpty() ) {\n\n\t\t\tthis.copy( sphere );\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( this.center.equals( sphere.center ) === true ) {\n\n\t\t\t this.radius = Math.max( this.radius, sphere.radius );\n\n\t\t} else {\n\n\t\t\t_v2$3.subVectors( sphere.center, this.center ).setLength( sphere.radius );\n\n\t\t\tthis.expandByPoint( _v1$6.copy( sphere.center ).add( _v2$3 ) );\n\n\t\t\tthis.expandByPoint( _v1$6.copy( sphere.center ).sub( _v2$3 ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tequals( sphere ) {\n\n\t\treturn sphere.center.equals( this.center ) && ( sphere.radius === this.radius );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _vector$a = /*@__PURE__*/ new Vector3();\nconst _segCenter = /*@__PURE__*/ new Vector3();\nconst _segDir = /*@__PURE__*/ new Vector3();\nconst _diff = /*@__PURE__*/ new Vector3();\n\nconst _edge1 = /*@__PURE__*/ new Vector3();\nconst _edge2 = /*@__PURE__*/ new Vector3();\nconst _normal$1 = /*@__PURE__*/ new Vector3();\n\nclass Ray {\n\n\tconstructor( origin = new Vector3(), direction = new Vector3( 0, 0, - 1 ) ) {\n\n\t\tthis.origin = origin;\n\t\tthis.direction = direction;\n\n\t}\n\n\tset( origin, direction ) {\n\n\t\tthis.origin.copy( origin );\n\t\tthis.direction.copy( direction );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( ray ) {\n\n\t\tthis.origin.copy( ray.origin );\n\t\tthis.direction.copy( ray.direction );\n\n\t\treturn this;\n\n\t}\n\n\tat( t, target ) {\n\n\t\treturn target.copy( this.origin ).addScaledVector( this.direction, t );\n\n\t}\n\n\tlookAt( v ) {\n\n\t\tthis.direction.copy( v ).sub( this.origin ).normalize();\n\n\t\treturn this;\n\n\t}\n\n\trecast( t ) {\n\n\t\tthis.origin.copy( this.at( t, _vector$a ) );\n\n\t\treturn this;\n\n\t}\n\n\tclosestPointToPoint( point, target ) {\n\n\t\ttarget.subVectors( point, this.origin );\n\n\t\tconst directionDistance = target.dot( this.direction );\n\n\t\tif ( directionDistance < 0 ) {\n\n\t\t\treturn target.copy( this.origin );\n\n\t\t}\n\n\t\treturn target.copy( this.origin ).addScaledVector( this.direction, directionDistance );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn Math.sqrt( this.distanceSqToPoint( point ) );\n\n\t}\n\n\tdistanceSqToPoint( point ) {\n\n\t\tconst directionDistance = _vector$a.subVectors( point, this.origin ).dot( this.direction );\n\n\t\t// point behind the ray\n\n\t\tif ( directionDistance < 0 ) {\n\n\t\t\treturn this.origin.distanceToSquared( point );\n\n\t\t}\n\n\t\t_vector$a.copy( this.origin ).addScaledVector( this.direction, directionDistance );\n\n\t\treturn _vector$a.distanceToSquared( point );\n\n\t}\n\n\tdistanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) {\n\n\t\t// from https://github.com/pmjoniak/GeometricTools/blob/master/GTEngine/Include/Mathematics/GteDistRaySegment.h\n\t\t// It returns the min distance between the ray and the segment\n\t\t// defined by v0 and v1\n\t\t// It can also set two optional targets :\n\t\t// - The closest point on the ray\n\t\t// - The closest point on the segment\n\n\t\t_segCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 );\n\t\t_segDir.copy( v1 ).sub( v0 ).normalize();\n\t\t_diff.copy( this.origin ).sub( _segCenter );\n\n\t\tconst segExtent = v0.distanceTo( v1 ) * 0.5;\n\t\tconst a01 = - this.direction.dot( _segDir );\n\t\tconst b0 = _diff.dot( this.direction );\n\t\tconst b1 = - _diff.dot( _segDir );\n\t\tconst c = _diff.lengthSq();\n\t\tconst det = Math.abs( 1 - a01 * a01 );\n\t\tlet s0, s1, sqrDist, extDet;\n\n\t\tif ( det > 0 ) {\n\n\t\t\t// The ray and segment are not parallel.\n\n\t\t\ts0 = a01 * b1 - b0;\n\t\t\ts1 = a01 * b0 - b1;\n\t\t\textDet = segExtent * det;\n\n\t\t\tif ( s0 >= 0 ) {\n\n\t\t\t\tif ( s1 >= - extDet ) {\n\n\t\t\t\t\tif ( s1 <= extDet ) {\n\n\t\t\t\t\t\t// region 0\n\t\t\t\t\t\t// Minimum at interior points of ray and segment.\n\n\t\t\t\t\t\tconst invDet = 1 / det;\n\t\t\t\t\t\ts0 *= invDet;\n\t\t\t\t\t\ts1 *= invDet;\n\t\t\t\t\t\tsqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// region 1\n\n\t\t\t\t\t\ts1 = segExtent;\n\t\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// region 5\n\n\t\t\t\t\ts1 = - segExtent;\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( s1 <= - extDet ) {\n\n\t\t\t\t\t// region 4\n\n\t\t\t\t\ts0 = Math.max( 0, - ( - a01 * segExtent + b0 ) );\n\t\t\t\t\ts1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t} else if ( s1 <= extDet ) {\n\n\t\t\t\t\t// region 3\n\n\t\t\t\t\ts0 = 0;\n\t\t\t\t\ts1 = Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// region 2\n\n\t\t\t\t\ts0 = Math.max( 0, - ( a01 * segExtent + b0 ) );\n\t\t\t\t\ts1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent );\n\t\t\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// Ray and segment are parallel.\n\n\t\t\ts1 = ( a01 > 0 ) ? - segExtent : segExtent;\n\t\t\ts0 = Math.max( 0, - ( a01 * s1 + b0 ) );\n\t\t\tsqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c;\n\n\t\t}\n\n\t\tif ( optionalPointOnRay ) {\n\n\t\t\toptionalPointOnRay.copy( this.origin ).addScaledVector( this.direction, s0 );\n\n\t\t}\n\n\t\tif ( optionalPointOnSegment ) {\n\n\t\t\toptionalPointOnSegment.copy( _segCenter ).addScaledVector( _segDir, s1 );\n\n\t\t}\n\n\t\treturn sqrDist;\n\n\t}\n\n\tintersectSphere( sphere, target ) {\n\n\t\t_vector$a.subVectors( sphere.center, this.origin );\n\t\tconst tca = _vector$a.dot( this.direction );\n\t\tconst d2 = _vector$a.dot( _vector$a ) - tca * tca;\n\t\tconst radius2 = sphere.radius * sphere.radius;\n\n\t\tif ( d2 > radius2 ) return null;\n\n\t\tconst thc = Math.sqrt( radius2 - d2 );\n\n\t\t// t0 = first intersect point - entrance on front of sphere\n\t\tconst t0 = tca - thc;\n\n\t\t// t1 = second intersect point - exit point on back of sphere\n\t\tconst t1 = tca + thc;\n\n\t\t// test to see if t1 is behind the ray - if so, return null\n\t\tif ( t1 < 0 ) return null;\n\n\t\t// test to see if t0 is behind the ray:\n\t\t// if it is, the ray is inside the sphere, so return the second exit point scaled by t1,\n\t\t// in order to always return an intersect point that is in front of the ray.\n\t\tif ( t0 < 0 ) return this.at( t1, target );\n\n\t\t// else t0 is in front of the ray, so return the first collision point scaled by t0\n\t\treturn this.at( t0, target );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\treturn this.distanceSqToPoint( sphere.center ) <= ( sphere.radius * sphere.radius );\n\n\t}\n\n\tdistanceToPlane( plane ) {\n\n\t\tconst denominator = plane.normal.dot( this.direction );\n\n\t\tif ( denominator === 0 ) {\n\n\t\t\t// line is coplanar, return origin\n\t\t\tif ( plane.distanceToPoint( this.origin ) === 0 ) {\n\n\t\t\t\treturn 0;\n\n\t\t\t}\n\n\t\t\t// Null is preferable to undefined since undefined means.... it is undefined\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator;\n\n\t\t// Return if the ray never intersects the plane\n\n\t\treturn t >= 0 ? t : null;\n\n\t}\n\n\tintersectPlane( plane, target ) {\n\n\t\tconst t = this.distanceToPlane( plane );\n\n\t\tif ( t === null ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\treturn this.at( t, target );\n\n\t}\n\n\tintersectsPlane( plane ) {\n\n\t\t// check if the ray lies on the plane first\n\n\t\tconst distToPoint = plane.distanceToPoint( this.origin );\n\n\t\tif ( distToPoint === 0 ) {\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\tconst denominator = plane.normal.dot( this.direction );\n\n\t\tif ( denominator * distToPoint < 0 ) {\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\t// ray origin is behind the plane (and is pointing behind it)\n\n\t\treturn false;\n\n\t}\n\n\tintersectBox( box, target ) {\n\n\t\tlet tmin, tmax, tymin, tymax, tzmin, tzmax;\n\n\t\tconst invdirx = 1 / this.direction.x,\n\t\t\tinvdiry = 1 / this.direction.y,\n\t\t\tinvdirz = 1 / this.direction.z;\n\n\t\tconst origin = this.origin;\n\n\t\tif ( invdirx >= 0 ) {\n\n\t\t\ttmin = ( box.min.x - origin.x ) * invdirx;\n\t\t\ttmax = ( box.max.x - origin.x ) * invdirx;\n\n\t\t} else {\n\n\t\t\ttmin = ( box.max.x - origin.x ) * invdirx;\n\t\t\ttmax = ( box.min.x - origin.x ) * invdirx;\n\n\t\t}\n\n\t\tif ( invdiry >= 0 ) {\n\n\t\t\ttymin = ( box.min.y - origin.y ) * invdiry;\n\t\t\ttymax = ( box.max.y - origin.y ) * invdiry;\n\n\t\t} else {\n\n\t\t\ttymin = ( box.max.y - origin.y ) * invdiry;\n\t\t\ttymax = ( box.min.y - origin.y ) * invdiry;\n\n\t\t}\n\n\t\tif ( ( tmin > tymax ) || ( tymin > tmax ) ) return null;\n\n\t\tif ( tymin > tmin || isNaN( tmin ) ) tmin = tymin;\n\n\t\tif ( tymax < tmax || isNaN( tmax ) ) tmax = tymax;\n\n\t\tif ( invdirz >= 0 ) {\n\n\t\t\ttzmin = ( box.min.z - origin.z ) * invdirz;\n\t\t\ttzmax = ( box.max.z - origin.z ) * invdirz;\n\n\t\t} else {\n\n\t\t\ttzmin = ( box.max.z - origin.z ) * invdirz;\n\t\t\ttzmax = ( box.min.z - origin.z ) * invdirz;\n\n\t\t}\n\n\t\tif ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null;\n\n\t\tif ( tzmin > tmin || tmin !== tmin ) tmin = tzmin;\n\n\t\tif ( tzmax < tmax || tmax !== tmax ) tmax = tzmax;\n\n\t\t//return point closest to the ray (positive side)\n\n\t\tif ( tmax < 0 ) return null;\n\n\t\treturn this.at( tmin >= 0 ? tmin : tmax, target );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn this.intersectBox( box, _vector$a ) !== null;\n\n\t}\n\n\tintersectTriangle( a, b, c, backfaceCulling, target ) {\n\n\t\t// Compute the offset origin, edges, and normal.\n\n\t\t// from https://github.com/pmjoniak/GeometricTools/blob/master/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h\n\n\t\t_edge1.subVectors( b, a );\n\t\t_edge2.subVectors( c, a );\n\t\t_normal$1.crossVectors( _edge1, _edge2 );\n\n\t\t// Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction,\n\t\t// E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by\n\t\t// |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2))\n\t\t// |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q))\n\t\t// |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N)\n\t\tlet DdN = this.direction.dot( _normal$1 );\n\t\tlet sign;\n\n\t\tif ( DdN > 0 ) {\n\n\t\t\tif ( backfaceCulling ) return null;\n\t\t\tsign = 1;\n\n\t\t} else if ( DdN < 0 ) {\n\n\t\t\tsign = - 1;\n\t\t\tDdN = - DdN;\n\n\t\t} else {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t_diff.subVectors( this.origin, a );\n\t\tconst DdQxE2 = sign * this.direction.dot( _edge2.crossVectors( _diff, _edge2 ) );\n\n\t\t// b1 < 0, no intersection\n\t\tif ( DdQxE2 < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst DdE1xQ = sign * this.direction.dot( _edge1.cross( _diff ) );\n\n\t\t// b2 < 0, no intersection\n\t\tif ( DdE1xQ < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// b1+b2 > 1, no intersection\n\t\tif ( DdQxE2 + DdE1xQ > DdN ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// Line intersects triangle, check if ray does.\n\t\tconst QdN = - sign * _diff.dot( _normal$1 );\n\n\t\t// t < 0, no intersection\n\t\tif ( QdN < 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// Ray intersects triangle.\n\t\treturn this.at( QdN / DdN, target );\n\n\t}\n\n\tapplyMatrix4( matrix4 ) {\n\n\t\tthis.origin.applyMatrix4( matrix4 );\n\t\tthis.direction.transformDirection( matrix4 );\n\n\t\treturn this;\n\n\t}\n\n\tequals( ray ) {\n\n\t\treturn ray.origin.equals( this.origin ) && ray.direction.equals( this.direction );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nclass Matrix4 {\n\n\tconstructor( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {\n\n\t\tMatrix4.prototype.isMatrix4 = true;\n\n\t\tthis.elements = [\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t];\n\n\t\tif ( n11 !== undefined ) {\n\n\t\t\tthis.set( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 );\n\n\t\t}\n\n\t}\n\n\tset( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14;\n\t\tte[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24;\n\t\tte[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34;\n\t\tte[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44;\n\n\t\treturn this;\n\n\t}\n\n\tidentity() {\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, 1, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new Matrix4().fromArray( this.elements );\n\n\t}\n\n\tcopy( m ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tte[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ]; te[ 3 ] = me[ 3 ];\n\t\tte[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ]; te[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ];\n\t\tte[ 8 ] = me[ 8 ]; te[ 9 ] = me[ 9 ]; te[ 10 ] = me[ 10 ]; te[ 11 ] = me[ 11 ];\n\t\tte[ 12 ] = me[ 12 ]; te[ 13 ] = me[ 13 ]; te[ 14 ] = me[ 14 ]; te[ 15 ] = me[ 15 ];\n\n\t\treturn this;\n\n\t}\n\n\tcopyPosition( m ) {\n\n\t\tconst te = this.elements, me = m.elements;\n\n\t\tte[ 12 ] = me[ 12 ];\n\t\tte[ 13 ] = me[ 13 ];\n\t\tte[ 14 ] = me[ 14 ];\n\n\t\treturn this;\n\n\t}\n\n\tsetFromMatrix3( m ) {\n\n\t\tconst me = m.elements;\n\n\t\tthis.set(\n\n\t\t\tme[ 0 ], me[ 3 ], me[ 6 ], 0,\n\t\t\tme[ 1 ], me[ 4 ], me[ 7 ], 0,\n\t\t\tme[ 2 ], me[ 5 ], me[ 8 ], 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\textractBasis( xAxis, yAxis, zAxis ) {\n\n\t\txAxis.setFromMatrixColumn( this, 0 );\n\t\tyAxis.setFromMatrixColumn( this, 1 );\n\t\tzAxis.setFromMatrixColumn( this, 2 );\n\n\t\treturn this;\n\n\t}\n\n\tmakeBasis( xAxis, yAxis, zAxis ) {\n\n\t\tthis.set(\n\t\t\txAxis.x, yAxis.x, zAxis.x, 0,\n\t\t\txAxis.y, yAxis.y, zAxis.y, 0,\n\t\t\txAxis.z, yAxis.z, zAxis.z, 0,\n\t\t\t0, 0, 0, 1\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\textractRotation( m ) {\n\n\t\t// this method does not support reflection matrices\n\n\t\tconst te = this.elements;\n\t\tconst me = m.elements;\n\n\t\tconst scaleX = 1 / _v1$5.setFromMatrixColumn( m, 0 ).length();\n\t\tconst scaleY = 1 / _v1$5.setFromMatrixColumn( m, 1 ).length();\n\t\tconst scaleZ = 1 / _v1$5.setFromMatrixColumn( m, 2 ).length();\n\n\t\tte[ 0 ] = me[ 0 ] * scaleX;\n\t\tte[ 1 ] = me[ 1 ] * scaleX;\n\t\tte[ 2 ] = me[ 2 ] * scaleX;\n\t\tte[ 3 ] = 0;\n\n\t\tte[ 4 ] = me[ 4 ] * scaleY;\n\t\tte[ 5 ] = me[ 5 ] * scaleY;\n\t\tte[ 6 ] = me[ 6 ] * scaleY;\n\t\tte[ 7 ] = 0;\n\n\t\tte[ 8 ] = me[ 8 ] * scaleZ;\n\t\tte[ 9 ] = me[ 9 ] * scaleZ;\n\t\tte[ 10 ] = me[ 10 ] * scaleZ;\n\t\tte[ 11 ] = 0;\n\n\t\tte[ 12 ] = 0;\n\t\tte[ 13 ] = 0;\n\t\tte[ 14 ] = 0;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationFromEuler( euler ) {\n\n\t\tconst te = this.elements;\n\n\t\tconst x = euler.x, y = euler.y, z = euler.z;\n\t\tconst a = Math.cos( x ), b = Math.sin( x );\n\t\tconst c = Math.cos( y ), d = Math.sin( y );\n\t\tconst e = Math.cos( z ), f = Math.sin( z );\n\n\t\tif ( euler.order === 'XYZ' ) {\n\n\t\t\tconst ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = - c * f;\n\t\t\tte[ 8 ] = d;\n\n\t\t\tte[ 1 ] = af + be * d;\n\t\t\tte[ 5 ] = ae - bf * d;\n\t\t\tte[ 9 ] = - b * c;\n\n\t\t\tte[ 2 ] = bf - ae * d;\n\t\t\tte[ 6 ] = be + af * d;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'YXZ' ) {\n\n\t\t\tconst ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\tte[ 0 ] = ce + df * b;\n\t\t\tte[ 4 ] = de * b - cf;\n\t\t\tte[ 8 ] = a * d;\n\n\t\t\tte[ 1 ] = a * f;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = - b;\n\n\t\t\tte[ 2 ] = cf * b - de;\n\t\t\tte[ 6 ] = df + ce * b;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'ZXY' ) {\n\n\t\t\tconst ce = c * e, cf = c * f, de = d * e, df = d * f;\n\n\t\t\tte[ 0 ] = ce - df * b;\n\t\t\tte[ 4 ] = - a * f;\n\t\t\tte[ 8 ] = de + cf * b;\n\n\t\t\tte[ 1 ] = cf + de * b;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = df - ce * b;\n\n\t\t\tte[ 2 ] = - a * d;\n\t\t\tte[ 6 ] = b;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'ZYX' ) {\n\n\t\t\tconst ae = a * e, af = a * f, be = b * e, bf = b * f;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = be * d - af;\n\t\t\tte[ 8 ] = ae * d + bf;\n\n\t\t\tte[ 1 ] = c * f;\n\t\t\tte[ 5 ] = bf * d + ae;\n\t\t\tte[ 9 ] = af * d - be;\n\n\t\t\tte[ 2 ] = - d;\n\t\t\tte[ 6 ] = b * c;\n\t\t\tte[ 10 ] = a * c;\n\n\t\t} else if ( euler.order === 'YZX' ) {\n\n\t\t\tconst ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = bd - ac * f;\n\t\t\tte[ 8 ] = bc * f + ad;\n\n\t\t\tte[ 1 ] = f;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = - b * e;\n\n\t\t\tte[ 2 ] = - d * e;\n\t\t\tte[ 6 ] = ad * f + bc;\n\t\t\tte[ 10 ] = ac - bd * f;\n\n\t\t} else if ( euler.order === 'XZY' ) {\n\n\t\t\tconst ac = a * c, ad = a * d, bc = b * c, bd = b * d;\n\n\t\t\tte[ 0 ] = c * e;\n\t\t\tte[ 4 ] = - f;\n\t\t\tte[ 8 ] = d * e;\n\n\t\t\tte[ 1 ] = ac * f + bd;\n\t\t\tte[ 5 ] = a * e;\n\t\t\tte[ 9 ] = ad * f - bc;\n\n\t\t\tte[ 2 ] = bc * f - ad;\n\t\t\tte[ 6 ] = b * e;\n\t\t\tte[ 10 ] = bd * f + ac;\n\n\t\t}\n\n\t\t// bottom row\n\t\tte[ 3 ] = 0;\n\t\tte[ 7 ] = 0;\n\t\tte[ 11 ] = 0;\n\n\t\t// last column\n\t\tte[ 12 ] = 0;\n\t\tte[ 13 ] = 0;\n\t\tte[ 14 ] = 0;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationFromQuaternion( q ) {\n\n\t\treturn this.compose( _zero, q, _one );\n\n\t}\n\n\tlookAt( eye, target, up ) {\n\n\t\tconst te = this.elements;\n\n\t\t_z.subVectors( eye, target );\n\n\t\tif ( _z.lengthSq() === 0 ) {\n\n\t\t\t// eye and target are in the same position\n\n\t\t\t_z.z = 1;\n\n\t\t}\n\n\t\t_z.normalize();\n\t\t_x.crossVectors( up, _z );\n\n\t\tif ( _x.lengthSq() === 0 ) {\n\n\t\t\t// up and z are parallel\n\n\t\t\tif ( Math.abs( up.z ) === 1 ) {\n\n\t\t\t\t_z.x += 0.0001;\n\n\t\t\t} else {\n\n\t\t\t\t_z.z += 0.0001;\n\n\t\t\t}\n\n\t\t\t_z.normalize();\n\t\t\t_x.crossVectors( up, _z );\n\n\t\t}\n\n\t\t_x.normalize();\n\t\t_y.crossVectors( _z, _x );\n\n\t\tte[ 0 ] = _x.x; te[ 4 ] = _y.x; te[ 8 ] = _z.x;\n\t\tte[ 1 ] = _x.y; te[ 5 ] = _y.y; te[ 9 ] = _z.y;\n\t\tte[ 2 ] = _x.z; te[ 6 ] = _y.z; te[ 10 ] = _z.z;\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( m ) {\n\n\t\treturn this.multiplyMatrices( this, m );\n\n\t}\n\n\tpremultiply( m ) {\n\n\t\treturn this.multiplyMatrices( m, this );\n\n\t}\n\n\tmultiplyMatrices( a, b ) {\n\n\t\tconst ae = a.elements;\n\t\tconst be = b.elements;\n\t\tconst te = this.elements;\n\n\t\tconst a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ];\n\t\tconst a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ];\n\t\tconst a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ];\n\t\tconst a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ];\n\n\t\tconst b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ];\n\t\tconst b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ];\n\t\tconst b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ];\n\t\tconst b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ];\n\n\t\tte[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41;\n\t\tte[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42;\n\t\tte[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43;\n\t\tte[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44;\n\n\t\tte[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41;\n\t\tte[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42;\n\t\tte[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43;\n\t\tte[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44;\n\n\t\tte[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41;\n\t\tte[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42;\n\t\tte[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43;\n\t\tte[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44;\n\n\t\tte[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41;\n\t\tte[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42;\n\t\tte[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43;\n\t\tte[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( s ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s;\n\t\tte[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s;\n\t\tte[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s;\n\t\tte[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s;\n\n\t\treturn this;\n\n\t}\n\n\tdeterminant() {\n\n\t\tconst te = this.elements;\n\n\t\tconst n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ];\n\t\tconst n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ];\n\t\tconst n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ];\n\t\tconst n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ];\n\n\t\t//TODO: make this more efficient\n\t\t//( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm )\n\n\t\treturn (\n\t\t\tn41 * (\n\t\t\t\t+ n14 * n23 * n32\n\t\t\t\t - n13 * n24 * n32\n\t\t\t\t - n14 * n22 * n33\n\t\t\t\t + n12 * n24 * n33\n\t\t\t\t + n13 * n22 * n34\n\t\t\t\t - n12 * n23 * n34\n\t\t\t) +\n\t\t\tn42 * (\n\t\t\t\t+ n11 * n23 * n34\n\t\t\t\t - n11 * n24 * n33\n\t\t\t\t + n14 * n21 * n33\n\t\t\t\t - n13 * n21 * n34\n\t\t\t\t + n13 * n24 * n31\n\t\t\t\t - n14 * n23 * n31\n\t\t\t) +\n\t\t\tn43 * (\n\t\t\t\t+ n11 * n24 * n32\n\t\t\t\t - n11 * n22 * n34\n\t\t\t\t - n14 * n21 * n32\n\t\t\t\t + n12 * n21 * n34\n\t\t\t\t + n14 * n22 * n31\n\t\t\t\t - n12 * n24 * n31\n\t\t\t) +\n\t\t\tn44 * (\n\t\t\t\t- n13 * n22 * n31\n\t\t\t\t - n11 * n23 * n32\n\t\t\t\t + n11 * n22 * n33\n\t\t\t\t + n13 * n21 * n32\n\t\t\t\t - n12 * n21 * n33\n\t\t\t\t + n12 * n23 * n31\n\t\t\t)\n\n\t\t);\n\n\t}\n\n\ttranspose() {\n\n\t\tconst te = this.elements;\n\t\tlet tmp;\n\n\t\ttmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp;\n\t\ttmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp;\n\t\ttmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp;\n\n\t\ttmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp;\n\t\ttmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp;\n\t\ttmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp;\n\n\t\treturn this;\n\n\t}\n\n\tsetPosition( x, y, z ) {\n\n\t\tconst te = this.elements;\n\n\t\tif ( x.isVector3 ) {\n\n\t\t\tte[ 12 ] = x.x;\n\t\t\tte[ 13 ] = x.y;\n\t\t\tte[ 14 ] = x.z;\n\n\t\t} else {\n\n\t\t\tte[ 12 ] = x;\n\t\t\tte[ 13 ] = y;\n\t\t\tte[ 14 ] = z;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tinvert() {\n\n\t\t// based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm\n\t\tconst te = this.elements,\n\n\t\t\tn11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ], n41 = te[ 3 ],\n\t\t\tn12 = te[ 4 ], n22 = te[ 5 ], n32 = te[ 6 ], n42 = te[ 7 ],\n\t\t\tn13 = te[ 8 ], n23 = te[ 9 ], n33 = te[ 10 ], n43 = te[ 11 ],\n\t\t\tn14 = te[ 12 ], n24 = te[ 13 ], n34 = te[ 14 ], n44 = te[ 15 ],\n\n\t\t\tt11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44,\n\t\t\tt12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44,\n\t\t\tt13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44,\n\t\t\tt14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34;\n\n\t\tconst det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14;\n\n\t\tif ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 );\n\n\t\tconst detInv = 1 / det;\n\n\t\tte[ 0 ] = t11 * detInv;\n\t\tte[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv;\n\t\tte[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv;\n\t\tte[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv;\n\n\t\tte[ 4 ] = t12 * detInv;\n\t\tte[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv;\n\t\tte[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv;\n\t\tte[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv;\n\n\t\tte[ 8 ] = t13 * detInv;\n\t\tte[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv;\n\t\tte[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv;\n\t\tte[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv;\n\n\t\tte[ 12 ] = t14 * detInv;\n\t\tte[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv;\n\t\tte[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv;\n\t\tte[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv;\n\n\t\treturn this;\n\n\t}\n\n\tscale( v ) {\n\n\t\tconst te = this.elements;\n\t\tconst x = v.x, y = v.y, z = v.z;\n\n\t\tte[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z;\n\t\tte[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z;\n\t\tte[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z;\n\t\tte[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z;\n\n\t\treturn this;\n\n\t}\n\n\tgetMaxScaleOnAxis() {\n\n\t\tconst te = this.elements;\n\n\t\tconst scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ];\n\t\tconst scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ];\n\t\tconst scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ];\n\n\t\treturn Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) );\n\n\t}\n\n\tmakeTranslation( x, y, z ) {\n\n\t\tif ( x.isVector3 ) {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, x.x,\n\t\t\t\t0, 1, 0, x.y,\n\t\t\t\t0, 0, 1, x.z,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t} else {\n\n\t\t\tthis.set(\n\n\t\t\t\t1, 0, 0, x,\n\t\t\t\t0, 1, 0, y,\n\t\t\t\t0, 0, 1, z,\n\t\t\t\t0, 0, 0, 1\n\n\t\t\t);\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationX( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\t1, 0, 0, 0,\n\t\t\t0, c, - s, 0,\n\t\t\t0, s, c, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationY( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\t c, 0, s, 0,\n\t\t\t 0, 1, 0, 0,\n\t\t\t- s, 0, c, 0,\n\t\t\t 0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationZ( theta ) {\n\n\t\tconst c = Math.cos( theta ), s = Math.sin( theta );\n\n\t\tthis.set(\n\n\t\t\tc, - s, 0, 0,\n\t\t\ts, c, 0, 0,\n\t\t\t0, 0, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeRotationAxis( axis, angle ) {\n\n\t\t// Based on http://www.gamedev.net/reference/articles/article1199.asp\n\n\t\tconst c = Math.cos( angle );\n\t\tconst s = Math.sin( angle );\n\t\tconst t = 1 - c;\n\t\tconst x = axis.x, y = axis.y, z = axis.z;\n\t\tconst tx = t * x, ty = t * y;\n\n\t\tthis.set(\n\n\t\t\ttx * x + c, tx * y - s * z, tx * z + s * y, 0,\n\t\t\ttx * y + s * z, ty * y + c, ty * z - s * x, 0,\n\t\t\ttx * z - s * y, ty * z + s * x, t * z * z + c, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeScale( x, y, z ) {\n\n\t\tthis.set(\n\n\t\t\tx, 0, 0, 0,\n\t\t\t0, y, 0, 0,\n\t\t\t0, 0, z, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tmakeShear( xy, xz, yx, yz, zx, zy ) {\n\n\t\tthis.set(\n\n\t\t\t1, yx, zx, 0,\n\t\t\txy, 1, zy, 0,\n\t\t\txz, yz, 1, 0,\n\t\t\t0, 0, 0, 1\n\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tcompose( position, quaternion, scale ) {\n\n\t\tconst te = this.elements;\n\n\t\tconst x = quaternion._x, y = quaternion._y, z = quaternion._z, w = quaternion._w;\n\t\tconst x2 = x + x,\ty2 = y + y, z2 = z + z;\n\t\tconst xx = x * x2, xy = x * y2, xz = x * z2;\n\t\tconst yy = y * y2, yz = y * z2, zz = z * z2;\n\t\tconst wx = w * x2, wy = w * y2, wz = w * z2;\n\n\t\tconst sx = scale.x, sy = scale.y, sz = scale.z;\n\n\t\tte[ 0 ] = ( 1 - ( yy + zz ) ) * sx;\n\t\tte[ 1 ] = ( xy + wz ) * sx;\n\t\tte[ 2 ] = ( xz - wy ) * sx;\n\t\tte[ 3 ] = 0;\n\n\t\tte[ 4 ] = ( xy - wz ) * sy;\n\t\tte[ 5 ] = ( 1 - ( xx + zz ) ) * sy;\n\t\tte[ 6 ] = ( yz + wx ) * sy;\n\t\tte[ 7 ] = 0;\n\n\t\tte[ 8 ] = ( xz + wy ) * sz;\n\t\tte[ 9 ] = ( yz - wx ) * sz;\n\t\tte[ 10 ] = ( 1 - ( xx + yy ) ) * sz;\n\t\tte[ 11 ] = 0;\n\n\t\tte[ 12 ] = position.x;\n\t\tte[ 13 ] = position.y;\n\t\tte[ 14 ] = position.z;\n\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tdecompose( position, quaternion, scale ) {\n\n\t\tconst te = this.elements;\n\n\t\tlet sx = _v1$5.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length();\n\t\tconst sy = _v1$5.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length();\n\t\tconst sz = _v1$5.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length();\n\n\t\t// if determine is negative, we need to invert one scale\n\t\tconst det = this.determinant();\n\t\tif ( det < 0 ) sx = - sx;\n\n\t\tposition.x = te[ 12 ];\n\t\tposition.y = te[ 13 ];\n\t\tposition.z = te[ 14 ];\n\n\t\t// scale the rotation part\n\t\t_m1$2.copy( this );\n\n\t\tconst invSX = 1 / sx;\n\t\tconst invSY = 1 / sy;\n\t\tconst invSZ = 1 / sz;\n\n\t\t_m1$2.elements[ 0 ] *= invSX;\n\t\t_m1$2.elements[ 1 ] *= invSX;\n\t\t_m1$2.elements[ 2 ] *= invSX;\n\n\t\t_m1$2.elements[ 4 ] *= invSY;\n\t\t_m1$2.elements[ 5 ] *= invSY;\n\t\t_m1$2.elements[ 6 ] *= invSY;\n\n\t\t_m1$2.elements[ 8 ] *= invSZ;\n\t\t_m1$2.elements[ 9 ] *= invSZ;\n\t\t_m1$2.elements[ 10 ] *= invSZ;\n\n\t\tquaternion.setFromRotationMatrix( _m1$2 );\n\n\t\tscale.x = sx;\n\t\tscale.y = sy;\n\t\tscale.z = sz;\n\n\t\treturn this;\n\n\t}\n\n\tmakePerspective( left, right, top, bottom, near, far, coordinateSystem = WebGLCoordinateSystem ) {\n\n\t\tconst te = this.elements;\n\t\tconst x = 2 * near / ( right - left );\n\t\tconst y = 2 * near / ( top - bottom );\n\n\t\tconst a = ( right + left ) / ( right - left );\n\t\tconst b = ( top + bottom ) / ( top - bottom );\n\n\t\tlet c, d;\n\n\t\tif ( coordinateSystem === WebGLCoordinateSystem ) {\n\n\t\t\tc = - ( far + near ) / ( far - near );\n\t\t\td = ( - 2 * far * near ) / ( far - near );\n\n\t\t} else if ( coordinateSystem === WebGPUCoordinateSystem ) {\n\n\t\t\tc = - far / ( far - near );\n\t\t\td = ( - far * near ) / ( far - near );\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'THREE.Matrix4.makePerspective(): Invalid coordinate system: ' + coordinateSystem );\n\n\t\t}\n\n\t\tte[ 0 ] = x;\tte[ 4 ] = 0;\tte[ 8 ] = a; \tte[ 12 ] = 0;\n\t\tte[ 1 ] = 0;\tte[ 5 ] = y;\tte[ 9 ] = b; \tte[ 13 ] = 0;\n\t\tte[ 2 ] = 0;\tte[ 6 ] = 0;\tte[ 10 ] = c; \tte[ 14 ] = d;\n\t\tte[ 3 ] = 0;\tte[ 7 ] = 0;\tte[ 11 ] = - 1;\tte[ 15 ] = 0;\n\n\t\treturn this;\n\n\t}\n\n\tmakeOrthographic( left, right, top, bottom, near, far, coordinateSystem = WebGLCoordinateSystem ) {\n\n\t\tconst te = this.elements;\n\t\tconst w = 1.0 / ( right - left );\n\t\tconst h = 1.0 / ( top - bottom );\n\t\tconst p = 1.0 / ( far - near );\n\n\t\tconst x = ( right + left ) * w;\n\t\tconst y = ( top + bottom ) * h;\n\n\t\tlet z, zInv;\n\n\t\tif ( coordinateSystem === WebGLCoordinateSystem ) {\n\n\t\t\tz = ( far + near ) * p;\n\t\t\tzInv = - 2 * p;\n\n\t\t} else if ( coordinateSystem === WebGPUCoordinateSystem ) {\n\n\t\t\tz = near * p;\n\t\t\tzInv = - 1 * p;\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'THREE.Matrix4.makeOrthographic(): Invalid coordinate system: ' + coordinateSystem );\n\n\t\t}\n\n\t\tte[ 0 ] = 2 * w;\tte[ 4 ] = 0;\t\tte[ 8 ] = 0; \t\tte[ 12 ] = - x;\n\t\tte[ 1 ] = 0; \t\tte[ 5 ] = 2 * h;\tte[ 9 ] = 0; \t\tte[ 13 ] = - y;\n\t\tte[ 2 ] = 0; \t\tte[ 6 ] = 0;\t\tte[ 10 ] = zInv;\tte[ 14 ] = - z;\n\t\tte[ 3 ] = 0; \t\tte[ 7 ] = 0;\t\tte[ 11 ] = 0;\t\tte[ 15 ] = 1;\n\n\t\treturn this;\n\n\t}\n\n\tequals( matrix ) {\n\n\t\tconst te = this.elements;\n\t\tconst me = matrix.elements;\n\n\t\tfor ( let i = 0; i < 16; i ++ ) {\n\n\t\t\tif ( te[ i ] !== me[ i ] ) return false;\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tfor ( let i = 0; i < 16; i ++ ) {\n\n\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst te = this.elements;\n\n\t\tarray[ offset ] = te[ 0 ];\n\t\tarray[ offset + 1 ] = te[ 1 ];\n\t\tarray[ offset + 2 ] = te[ 2 ];\n\t\tarray[ offset + 3 ] = te[ 3 ];\n\n\t\tarray[ offset + 4 ] = te[ 4 ];\n\t\tarray[ offset + 5 ] = te[ 5 ];\n\t\tarray[ offset + 6 ] = te[ 6 ];\n\t\tarray[ offset + 7 ] = te[ 7 ];\n\n\t\tarray[ offset + 8 ] = te[ 8 ];\n\t\tarray[ offset + 9 ] = te[ 9 ];\n\t\tarray[ offset + 10 ] = te[ 10 ];\n\t\tarray[ offset + 11 ] = te[ 11 ];\n\n\t\tarray[ offset + 12 ] = te[ 12 ];\n\t\tarray[ offset + 13 ] = te[ 13 ];\n\t\tarray[ offset + 14 ] = te[ 14 ];\n\t\tarray[ offset + 15 ] = te[ 15 ];\n\n\t\treturn array;\n\n\t}\n\n}\n\nconst _v1$5 = /*@__PURE__*/ new Vector3();\nconst _m1$2 = /*@__PURE__*/ new Matrix4();\nconst _zero = /*@__PURE__*/ new Vector3( 0, 0, 0 );\nconst _one = /*@__PURE__*/ new Vector3( 1, 1, 1 );\nconst _x = /*@__PURE__*/ new Vector3();\nconst _y = /*@__PURE__*/ new Vector3();\nconst _z = /*@__PURE__*/ new Vector3();\n\nconst _matrix$2 = /*@__PURE__*/ new Matrix4();\nconst _quaternion$3 = /*@__PURE__*/ new Quaternion();\n\nclass Euler {\n\n\tconstructor( x = 0, y = 0, z = 0, order = Euler.DEFAULT_ORDER ) {\n\n\t\tthis.isEuler = true;\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._order = order;\n\n\t}\n\n\tget x() {\n\n\t\treturn this._x;\n\n\t}\n\n\tset x( value ) {\n\n\t\tthis._x = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget y() {\n\n\t\treturn this._y;\n\n\t}\n\n\tset y( value ) {\n\n\t\tthis._y = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget z() {\n\n\t\treturn this._z;\n\n\t}\n\n\tset z( value ) {\n\n\t\tthis._z = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tget order() {\n\n\t\treturn this._order;\n\n\t}\n\n\tset order( value ) {\n\n\t\tthis._order = value;\n\t\tthis._onChangeCallback();\n\n\t}\n\n\tset( x, y, z, order = this._order ) {\n\n\t\tthis._x = x;\n\t\tthis._y = y;\n\t\tthis._z = z;\n\t\tthis._order = order;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this._x, this._y, this._z, this._order );\n\n\t}\n\n\tcopy( euler ) {\n\n\t\tthis._x = euler._x;\n\t\tthis._y = euler._y;\n\t\tthis._z = euler._z;\n\t\tthis._order = euler._order;\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromRotationMatrix( m, order = this._order, update = true ) {\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tconst te = m.elements;\n\t\tconst m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ];\n\t\tconst m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ];\n\t\tconst m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ];\n\n\t\tswitch ( order ) {\n\n\t\t\tcase 'XYZ':\n\n\t\t\t\tthis._y = Math.asin( clamp( m13, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m13 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'YXZ':\n\n\t\t\t\tthis._x = Math.asin( - clamp( m23, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m23 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\t\t\t\t\tthis._z = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZXY':\n\n\t\t\t\tthis._x = Math.asin( clamp( m32, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m32 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._y = Math.atan2( - m31, m33 );\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._y = 0;\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'ZYX':\n\n\t\t\t\tthis._y = Math.asin( - clamp( m31, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m31 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m33 );\n\t\t\t\t\tthis._z = Math.atan2( m21, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._z = Math.atan2( - m12, m22 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'YZX':\n\n\t\t\t\tthis._z = Math.asin( clamp( m21, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m21 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m22 );\n\t\t\t\t\tthis._y = Math.atan2( - m31, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = 0;\n\t\t\t\t\tthis._y = Math.atan2( m13, m33 );\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'XZY':\n\n\t\t\t\tthis._z = Math.asin( - clamp( m12, - 1, 1 ) );\n\n\t\t\t\tif ( Math.abs( m12 ) < 0.9999999 ) {\n\n\t\t\t\t\tthis._x = Math.atan2( m32, m22 );\n\t\t\t\t\tthis._y = Math.atan2( m13, m11 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis._x = Math.atan2( - m23, m33 );\n\t\t\t\t\tthis._y = 0;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\n\t\t\t\tconsole.warn( 'THREE.Euler: .setFromRotationMatrix() encountered an unknown order: ' + order );\n\n\t\t}\n\n\t\tthis._order = order;\n\n\t\tif ( update === true ) this._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\tsetFromQuaternion( q, order, update ) {\n\n\t\t_matrix$2.makeRotationFromQuaternion( q );\n\n\t\treturn this.setFromRotationMatrix( _matrix$2, order, update );\n\n\t}\n\n\tsetFromVector3( v, order = this._order ) {\n\n\t\treturn this.set( v.x, v.y, v.z, order );\n\n\t}\n\n\treorder( newOrder ) {\n\n\t\t// WARNING: this discards revolution information -bhouston\n\n\t\t_quaternion$3.setFromEuler( this );\n\n\t\treturn this.setFromQuaternion( _quaternion$3, newOrder );\n\n\t}\n\n\tequals( euler ) {\n\n\t\treturn ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order );\n\n\t}\n\n\tfromArray( array ) {\n\n\t\tthis._x = array[ 0 ];\n\t\tthis._y = array[ 1 ];\n\t\tthis._z = array[ 2 ];\n\t\tif ( array[ 3 ] !== undefined ) this._order = array[ 3 ];\n\n\t\tthis._onChangeCallback();\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this._x;\n\t\tarray[ offset + 1 ] = this._y;\n\t\tarray[ offset + 2 ] = this._z;\n\t\tarray[ offset + 3 ] = this._order;\n\n\t\treturn array;\n\n\t}\n\n\t_onChange( callback ) {\n\n\t\tthis._onChangeCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\t_onChangeCallback() {}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this._x;\n\t\tyield this._y;\n\t\tyield this._z;\n\t\tyield this._order;\n\n\t}\n\n}\n\nEuler.DEFAULT_ORDER = 'XYZ';\n\nclass Layers {\n\n\tconstructor() {\n\n\t\tthis.mask = 1 | 0;\n\n\t}\n\n\tset( channel ) {\n\n\t\tthis.mask = ( 1 << channel | 0 ) >>> 0;\n\n\t}\n\n\tenable( channel ) {\n\n\t\tthis.mask |= 1 << channel | 0;\n\n\t}\n\n\tenableAll() {\n\n\t\tthis.mask = 0xffffffff | 0;\n\n\t}\n\n\ttoggle( channel ) {\n\n\t\tthis.mask ^= 1 << channel | 0;\n\n\t}\n\n\tdisable( channel ) {\n\n\t\tthis.mask &= ~ ( 1 << channel | 0 );\n\n\t}\n\n\tdisableAll() {\n\n\t\tthis.mask = 0;\n\n\t}\n\n\ttest( layers ) {\n\n\t\treturn ( this.mask & layers.mask ) !== 0;\n\n\t}\n\n\tisEnabled( channel ) {\n\n\t\treturn ( this.mask & ( 1 << channel | 0 ) ) !== 0;\n\n\t}\n\n}\n\nlet _object3DId = 0;\n\nconst _v1$4 = /*@__PURE__*/ new Vector3();\nconst _q1 = /*@__PURE__*/ new Quaternion();\nconst _m1$1 = /*@__PURE__*/ new Matrix4();\nconst _target = /*@__PURE__*/ new Vector3();\n\nconst _position$3 = /*@__PURE__*/ new Vector3();\nconst _scale$2 = /*@__PURE__*/ new Vector3();\nconst _quaternion$2 = /*@__PURE__*/ new Quaternion();\n\nconst _xAxis = /*@__PURE__*/ new Vector3( 1, 0, 0 );\nconst _yAxis = /*@__PURE__*/ new Vector3( 0, 1, 0 );\nconst _zAxis = /*@__PURE__*/ new Vector3( 0, 0, 1 );\n\nconst _addedEvent = { type: 'added' };\nconst _removedEvent = { type: 'removed' };\n\nconst _childaddedEvent = { type: 'childadded', child: null };\nconst _childremovedEvent = { type: 'childremoved', child: null };\n\nclass Object3D extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isObject3D = true;\n\n\t\tObject.defineProperty( this, 'id', { value: _object3DId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Object3D';\n\n\t\tthis.parent = null;\n\t\tthis.children = [];\n\n\t\tthis.up = Object3D.DEFAULT_UP.clone();\n\n\t\tconst position = new Vector3();\n\t\tconst rotation = new Euler();\n\t\tconst quaternion = new Quaternion();\n\t\tconst scale = new Vector3( 1, 1, 1 );\n\n\t\tfunction onRotationChange() {\n\n\t\t\tquaternion.setFromEuler( rotation, false );\n\n\t\t}\n\n\t\tfunction onQuaternionChange() {\n\n\t\t\trotation.setFromQuaternion( quaternion, undefined, false );\n\n\t\t}\n\n\t\trotation._onChange( onRotationChange );\n\t\tquaternion._onChange( onQuaternionChange );\n\n\t\tObject.defineProperties( this, {\n\t\t\tposition: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: position\n\t\t\t},\n\t\t\trotation: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: rotation\n\t\t\t},\n\t\t\tquaternion: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: quaternion\n\t\t\t},\n\t\t\tscale: {\n\t\t\t\tconfigurable: true,\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: scale\n\t\t\t},\n\t\t\tmodelViewMatrix: {\n\t\t\t\tvalue: new Matrix4()\n\t\t\t},\n\t\t\tnormalMatrix: {\n\t\t\t\tvalue: new Matrix3()\n\t\t\t}\n\t\t} );\n\n\t\tthis.matrix = new Matrix4();\n\t\tthis.matrixWorld = new Matrix4();\n\n\t\tthis.matrixAutoUpdate = Object3D.DEFAULT_MATRIX_AUTO_UPDATE;\n\n\t\tthis.matrixWorldAutoUpdate = Object3D.DEFAULT_MATRIX_WORLD_AUTO_UPDATE; // checked by the renderer\n\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\tthis.layers = new Layers();\n\t\tthis.visible = true;\n\n\t\tthis.castShadow = false;\n\t\tthis.receiveShadow = false;\n\n\t\tthis.frustumCulled = true;\n\t\tthis.renderOrder = 0;\n\n\t\tthis.animations = [];\n\n\t\tthis.userData = {};\n\n\t}\n\n\tonBeforeShadow( /* renderer, object, camera, shadowCamera, geometry, depthMaterial, group */ ) {}\n\n\tonAfterShadow( /* renderer, object, camera, shadowCamera, geometry, depthMaterial, group */ ) {}\n\n\tonBeforeRender( /* renderer, scene, camera, geometry, material, group */ ) {}\n\n\tonAfterRender( /* renderer, scene, camera, geometry, material, group */ ) {}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tthis.matrix.premultiply( matrix );\n\n\t\tthis.matrix.decompose( this.position, this.quaternion, this.scale );\n\n\t}\n\n\tapplyQuaternion( q ) {\n\n\t\tthis.quaternion.premultiply( q );\n\n\t\treturn this;\n\n\t}\n\n\tsetRotationFromAxisAngle( axis, angle ) {\n\n\t\t// assumes axis is normalized\n\n\t\tthis.quaternion.setFromAxisAngle( axis, angle );\n\n\t}\n\n\tsetRotationFromEuler( euler ) {\n\n\t\tthis.quaternion.setFromEuler( euler, true );\n\n\t}\n\n\tsetRotationFromMatrix( m ) {\n\n\t\t// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n\n\t\tthis.quaternion.setFromRotationMatrix( m );\n\n\t}\n\n\tsetRotationFromQuaternion( q ) {\n\n\t\t// assumes q is normalized\n\n\t\tthis.quaternion.copy( q );\n\n\t}\n\n\trotateOnAxis( axis, angle ) {\n\n\t\t// rotate object on axis in object space\n\t\t// axis is assumed to be normalized\n\n\t\t_q1.setFromAxisAngle( axis, angle );\n\n\t\tthis.quaternion.multiply( _q1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateOnWorldAxis( axis, angle ) {\n\n\t\t// rotate object on axis in world space\n\t\t// axis is assumed to be normalized\n\t\t// method assumes no rotated parent\n\n\t\t_q1.setFromAxisAngle( axis, angle );\n\n\t\tthis.quaternion.premultiply( _q1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateX( angle ) {\n\n\t\treturn this.rotateOnAxis( _xAxis, angle );\n\n\t}\n\n\trotateY( angle ) {\n\n\t\treturn this.rotateOnAxis( _yAxis, angle );\n\n\t}\n\n\trotateZ( angle ) {\n\n\t\treturn this.rotateOnAxis( _zAxis, angle );\n\n\t}\n\n\ttranslateOnAxis( axis, distance ) {\n\n\t\t// translate object by distance along axis in object space\n\t\t// axis is assumed to be normalized\n\n\t\t_v1$4.copy( axis ).applyQuaternion( this.quaternion );\n\n\t\tthis.position.add( _v1$4.multiplyScalar( distance ) );\n\n\t\treturn this;\n\n\t}\n\n\ttranslateX( distance ) {\n\n\t\treturn this.translateOnAxis( _xAxis, distance );\n\n\t}\n\n\ttranslateY( distance ) {\n\n\t\treturn this.translateOnAxis( _yAxis, distance );\n\n\t}\n\n\ttranslateZ( distance ) {\n\n\t\treturn this.translateOnAxis( _zAxis, distance );\n\n\t}\n\n\tlocalToWorld( vector ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\treturn vector.applyMatrix4( this.matrixWorld );\n\n\t}\n\n\tworldToLocal( vector ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\treturn vector.applyMatrix4( _m1$1.copy( this.matrixWorld ).invert() );\n\n\t}\n\n\tlookAt( x, y, z ) {\n\n\t\t// This method does not support objects having non-uniformly-scaled parent(s)\n\n\t\tif ( x.isVector3 ) {\n\n\t\t\t_target.copy( x );\n\n\t\t} else {\n\n\t\t\t_target.set( x, y, z );\n\n\t\t}\n\n\t\tconst parent = this.parent;\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\t_position$3.setFromMatrixPosition( this.matrixWorld );\n\n\t\tif ( this.isCamera || this.isLight ) {\n\n\t\t\t_m1$1.lookAt( _position$3, _target, this.up );\n\n\t\t} else {\n\n\t\t\t_m1$1.lookAt( _target, _position$3, this.up );\n\n\t\t}\n\n\t\tthis.quaternion.setFromRotationMatrix( _m1$1 );\n\n\t\tif ( parent ) {\n\n\t\t\t_m1$1.extractRotation( parent.matrixWorld );\n\t\t\t_q1.setFromRotationMatrix( _m1$1 );\n\t\t\tthis.quaternion.premultiply( _q1.invert() );\n\n\t\t}\n\n\t}\n\n\tadd( object ) {\n\n\t\tif ( arguments.length > 1 ) {\n\n\t\t\tfor ( let i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\tthis.add( arguments[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( object === this ) {\n\n\t\t\tconsole.error( 'THREE.Object3D.add: object can\\'t be added as a child of itself.', object );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tif ( object && object.isObject3D ) {\n\n\t\t\tobject.removeFromParent();\n\t\t\tobject.parent = this;\n\t\t\tthis.children.push( object );\n\n\t\t\tobject.dispatchEvent( _addedEvent );\n\n\t\t\t_childaddedEvent.child = object;\n\t\t\tthis.dispatchEvent( _childaddedEvent );\n\t\t\t_childaddedEvent.child = null;\n\n\t\t} else {\n\n\t\t\tconsole.error( 'THREE.Object3D.add: object not an instance of THREE.Object3D.', object );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tremove( object ) {\n\n\t\tif ( arguments.length > 1 ) {\n\n\t\t\tfor ( let i = 0; i < arguments.length; i ++ ) {\n\n\t\t\t\tthis.remove( arguments[ i ] );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst index = this.children.indexOf( object );\n\n\t\tif ( index !== - 1 ) {\n\n\t\t\tobject.parent = null;\n\t\t\tthis.children.splice( index, 1 );\n\n\t\t\tobject.dispatchEvent( _removedEvent );\n\n\t\t\t_childremovedEvent.child = object;\n\t\t\tthis.dispatchEvent( _childremovedEvent );\n\t\t\t_childremovedEvent.child = null;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tremoveFromParent() {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( parent !== null ) {\n\n\t\t\tparent.remove( this );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclear() {\n\n\t\treturn this.remove( ... this.children );\n\n\t}\n\n\tattach( object ) {\n\n\t\t// adds object as a child of this, while maintaining the object's world transform\n\n\t\t// Note: This method does not support scene graphs having non-uniformly-scaled nodes(s)\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\t_m1$1.copy( this.matrixWorld ).invert();\n\n\t\tif ( object.parent !== null ) {\n\n\t\t\tobject.parent.updateWorldMatrix( true, false );\n\n\t\t\t_m1$1.multiply( object.parent.matrixWorld );\n\n\t\t}\n\n\t\tobject.applyMatrix4( _m1$1 );\n\n\t\tobject.removeFromParent();\n\t\tobject.parent = this;\n\t\tthis.children.push( object );\n\n\t\tobject.updateWorldMatrix( false, true );\n\n\t\tobject.dispatchEvent( _addedEvent );\n\n\t\t_childaddedEvent.child = object;\n\t\tthis.dispatchEvent( _childaddedEvent );\n\t\t_childaddedEvent.child = null;\n\n\t\treturn this;\n\n\t}\n\n\tgetObjectById( id ) {\n\n\t\treturn this.getObjectByProperty( 'id', id );\n\n\t}\n\n\tgetObjectByName( name ) {\n\n\t\treturn this.getObjectByProperty( 'name', name );\n\n\t}\n\n\tgetObjectByProperty( name, value ) {\n\n\t\tif ( this[ name ] === value ) return this;\n\n\t\tfor ( let i = 0, l = this.children.length; i < l; i ++ ) {\n\n\t\t\tconst child = this.children[ i ];\n\t\t\tconst object = child.getObjectByProperty( name, value );\n\n\t\t\tif ( object !== undefined ) {\n\n\t\t\t\treturn object;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn undefined;\n\n\t}\n\n\tgetObjectsByProperty( name, value, result = [] ) {\n\n\t\tif ( this[ name ] === value ) result.push( this );\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].getObjectsByProperty( name, value, result );\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n\tgetWorldPosition( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\treturn target.setFromMatrixPosition( this.matrixWorld );\n\n\t}\n\n\tgetWorldQuaternion( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tthis.matrixWorld.decompose( _position$3, target, _scale$2 );\n\n\t\treturn target;\n\n\t}\n\n\tgetWorldScale( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tthis.matrixWorld.decompose( _position$3, _quaternion$2, target );\n\n\t\treturn target;\n\n\t}\n\n\tgetWorldDirection( target ) {\n\n\t\tthis.updateWorldMatrix( true, false );\n\n\t\tconst e = this.matrixWorld.elements;\n\n\t\treturn target.set( e[ 8 ], e[ 9 ], e[ 10 ] ).normalize();\n\n\t}\n\n\traycast( /* raycaster, intersects */ ) {}\n\n\ttraverse( callback ) {\n\n\t\tcallback( this );\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].traverse( callback );\n\n\t\t}\n\n\t}\n\n\ttraverseVisible( callback ) {\n\n\t\tif ( this.visible === false ) return;\n\n\t\tcallback( this );\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tchildren[ i ].traverseVisible( callback );\n\n\t\t}\n\n\t}\n\n\ttraverseAncestors( callback ) {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( parent !== null ) {\n\n\t\t\tcallback( parent );\n\n\t\t\tparent.traverseAncestors( callback );\n\n\t\t}\n\n\t}\n\n\tupdateMatrix() {\n\n\t\tthis.matrix.compose( this.position, this.quaternion, this.scale );\n\n\t\tthis.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tif ( this.matrixWorldNeedsUpdate || force ) {\n\n\t\t\tif ( this.matrixWorldAutoUpdate === true ) {\n\n\t\t\t\tif ( this.parent === null ) {\n\n\t\t\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.matrixWorldNeedsUpdate = false;\n\n\t\t\tforce = true;\n\n\t\t}\n\n\t\t// make sure descendants are updated if required\n\n\t\tconst children = this.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tconst child = children[ i ];\n\n\t\t\tchild.updateMatrixWorld( force );\n\n\t\t}\n\n\t}\n\n\tupdateWorldMatrix( updateParents, updateChildren ) {\n\n\t\tconst parent = this.parent;\n\n\t\tif ( updateParents === true && parent !== null ) {\n\n\t\t\tparent.updateWorldMatrix( true, false );\n\n\t\t}\n\n\t\tif ( this.matrixAutoUpdate ) this.updateMatrix();\n\n\t\tif ( this.matrixWorldAutoUpdate === true ) {\n\n\t\t\tif ( this.parent === null ) {\n\n\t\t\t\tthis.matrixWorld.copy( this.matrix );\n\n\t\t\t} else {\n\n\t\t\t\tthis.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// make sure descendants are updated\n\n\t\tif ( updateChildren === true ) {\n\n\t\t\tconst children = this.children;\n\n\t\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\t\tconst child = children[ i ];\n\n\t\t\t\tchild.updateWorldMatrix( false, true );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\t// meta is a string when called from JSON.stringify\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tconst output = {};\n\n\t\t// meta is a hash used to collect geometries, materials.\n\t\t// not providing it implies that this is the root object\n\t\t// being serialized.\n\t\tif ( isRootObject ) {\n\n\t\t\t// initialize meta obj\n\t\t\tmeta = {\n\t\t\t\tgeometries: {},\n\t\t\t\tmaterials: {},\n\t\t\t\ttextures: {},\n\t\t\t\timages: {},\n\t\t\t\tshapes: {},\n\t\t\t\tskeletons: {},\n\t\t\t\tanimations: {},\n\t\t\t\tnodes: {}\n\t\t\t};\n\n\t\t\toutput.metadata = {\n\t\t\t\tversion: 4.6,\n\t\t\t\ttype: 'Object',\n\t\t\t\tgenerator: 'Object3D.toJSON'\n\t\t\t};\n\n\t\t}\n\n\t\t// standard Object3D serialization\n\n\t\tconst object = {};\n\n\t\tobject.uuid = this.uuid;\n\t\tobject.type = this.type;\n\n\t\tif ( this.name !== '' ) object.name = this.name;\n\t\tif ( this.castShadow === true ) object.castShadow = true;\n\t\tif ( this.receiveShadow === true ) object.receiveShadow = true;\n\t\tif ( this.visible === false ) object.visible = false;\n\t\tif ( this.frustumCulled === false ) object.frustumCulled = false;\n\t\tif ( this.renderOrder !== 0 ) object.renderOrder = this.renderOrder;\n\t\tif ( Object.keys( this.userData ).length > 0 ) object.userData = this.userData;\n\n\t\tobject.layers = this.layers.mask;\n\t\tobject.matrix = this.matrix.toArray();\n\t\tobject.up = this.up.toArray();\n\n\t\tif ( this.matrixAutoUpdate === false ) object.matrixAutoUpdate = false;\n\n\t\t// object specific properties\n\n\t\tif ( this.isInstancedMesh ) {\n\n\t\t\tobject.type = 'InstancedMesh';\n\t\t\tobject.count = this.count;\n\t\t\tobject.instanceMatrix = this.instanceMatrix.toJSON();\n\t\t\tif ( this.instanceColor !== null ) object.instanceColor = this.instanceColor.toJSON();\n\n\t\t}\n\n\t\tif ( this.isBatchedMesh ) {\n\n\t\t\tobject.type = 'BatchedMesh';\n\t\t\tobject.perObjectFrustumCulled = this.perObjectFrustumCulled;\n\t\t\tobject.sortObjects = this.sortObjects;\n\n\t\t\tobject.drawRanges = this._drawRanges;\n\t\t\tobject.reservedRanges = this._reservedRanges;\n\n\t\t\tobject.visibility = this._visibility;\n\t\t\tobject.active = this._active;\n\t\t\tobject.bounds = this._bounds.map( bound => ( {\n\t\t\t\tboxInitialized: bound.boxInitialized,\n\t\t\t\tboxMin: bound.box.min.toArray(),\n\t\t\t\tboxMax: bound.box.max.toArray(),\n\n\t\t\t\tsphereInitialized: bound.sphereInitialized,\n\t\t\t\tsphereRadius: bound.sphere.radius,\n\t\t\t\tsphereCenter: bound.sphere.center.toArray()\n\t\t\t} ) );\n\n\t\t\tobject.maxInstanceCount = this._maxInstanceCount;\n\t\t\tobject.maxVertexCount = this._maxVertexCount;\n\t\t\tobject.maxIndexCount = this._maxIndexCount;\n\n\t\t\tobject.geometryInitialized = this._geometryInitialized;\n\t\t\tobject.geometryCount = this._geometryCount;\n\n\t\t\tobject.matricesTexture = this._matricesTexture.toJSON( meta );\n\n\t\t\tif ( this._colorsTexture !== null ) object.colorsTexture = this._colorsTexture.toJSON( meta );\n\n\t\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\t\tobject.boundingSphere = {\n\t\t\t\t\tcenter: object.boundingSphere.center.toArray(),\n\t\t\t\t\tradius: object.boundingSphere.radius\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t\tif ( this.boundingBox !== null ) {\n\n\t\t\t\tobject.boundingBox = {\n\t\t\t\t\tmin: object.boundingBox.min.toArray(),\n\t\t\t\t\tmax: object.boundingBox.max.toArray()\n\t\t\t\t};\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tfunction serialize( library, element ) {\n\n\t\t\tif ( library[ element.uuid ] === undefined ) {\n\n\t\t\t\tlibrary[ element.uuid ] = element.toJSON( meta );\n\n\t\t\t}\n\n\t\t\treturn element.uuid;\n\n\t\t}\n\n\t\tif ( this.isScene ) {\n\n\t\t\tif ( this.background ) {\n\n\t\t\t\tif ( this.background.isColor ) {\n\n\t\t\t\t\tobject.background = this.background.toJSON();\n\n\t\t\t\t} else if ( this.background.isTexture ) {\n\n\t\t\t\t\tobject.background = this.background.toJSON( meta ).uuid;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.environment && this.environment.isTexture && this.environment.isRenderTargetTexture !== true ) {\n\n\t\t\t\tobject.environment = this.environment.toJSON( meta ).uuid;\n\n\t\t\t}\n\n\t\t} else if ( this.isMesh || this.isLine || this.isPoints ) {\n\n\t\t\tobject.geometry = serialize( meta.geometries, this.geometry );\n\n\t\t\tconst parameters = this.geometry.parameters;\n\n\t\t\tif ( parameters !== undefined && parameters.shapes !== undefined ) {\n\n\t\t\t\tconst shapes = parameters.shapes;\n\n\t\t\t\tif ( Array.isArray( shapes ) ) {\n\n\t\t\t\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\t\t\t\tconst shape = shapes[ i ];\n\n\t\t\t\t\t\tserialize( meta.shapes, shape );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tserialize( meta.shapes, shapes );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.isSkinnedMesh ) {\n\n\t\t\tobject.bindMode = this.bindMode;\n\t\t\tobject.bindMatrix = this.bindMatrix.toArray();\n\n\t\t\tif ( this.skeleton !== undefined ) {\n\n\t\t\t\tserialize( meta.skeletons, this.skeleton );\n\n\t\t\t\tobject.skeleton = this.skeleton.uuid;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.material !== undefined ) {\n\n\t\t\tif ( Array.isArray( this.material ) ) {\n\n\t\t\t\tconst uuids = [];\n\n\t\t\t\tfor ( let i = 0, l = this.material.length; i < l; i ++ ) {\n\n\t\t\t\t\tuuids.push( serialize( meta.materials, this.material[ i ] ) );\n\n\t\t\t\t}\n\n\t\t\t\tobject.material = uuids;\n\n\t\t\t} else {\n\n\t\t\t\tobject.material = serialize( meta.materials, this.material );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.children.length > 0 ) {\n\n\t\t\tobject.children = [];\n\n\t\t\tfor ( let i = 0; i < this.children.length; i ++ ) {\n\n\t\t\t\tobject.children.push( this.children[ i ].toJSON( meta ).object );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.animations.length > 0 ) {\n\n\t\t\tobject.animations = [];\n\n\t\t\tfor ( let i = 0; i < this.animations.length; i ++ ) {\n\n\t\t\t\tconst animation = this.animations[ i ];\n\n\t\t\t\tobject.animations.push( serialize( meta.animations, animation ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( isRootObject ) {\n\n\t\t\tconst geometries = extractFromCache( meta.geometries );\n\t\t\tconst materials = extractFromCache( meta.materials );\n\t\t\tconst textures = extractFromCache( meta.textures );\n\t\t\tconst images = extractFromCache( meta.images );\n\t\t\tconst shapes = extractFromCache( meta.shapes );\n\t\t\tconst skeletons = extractFromCache( meta.skeletons );\n\t\t\tconst animations = extractFromCache( meta.animations );\n\t\t\tconst nodes = extractFromCache( meta.nodes );\n\n\t\t\tif ( geometries.length > 0 ) output.geometries = geometries;\n\t\t\tif ( materials.length > 0 ) output.materials = materials;\n\t\t\tif ( textures.length > 0 ) output.textures = textures;\n\t\t\tif ( images.length > 0 ) output.images = images;\n\t\t\tif ( shapes.length > 0 ) output.shapes = shapes;\n\t\t\tif ( skeletons.length > 0 ) output.skeletons = skeletons;\n\t\t\tif ( animations.length > 0 ) output.animations = animations;\n\t\t\tif ( nodes.length > 0 ) output.nodes = nodes;\n\n\t\t}\n\n\t\toutput.object = object;\n\n\t\treturn output;\n\n\t\t// extract data from the cache hash\n\t\t// remove metadata on each item\n\t\t// and return as array\n\t\tfunction extractFromCache( cache ) {\n\n\t\t\tconst values = [];\n\t\t\tfor ( const key in cache ) {\n\n\t\t\t\tconst data = cache[ key ];\n\t\t\t\tdelete data.metadata;\n\t\t\t\tvalues.push( data );\n\n\t\t\t}\n\n\t\t\treturn values;\n\n\t\t}\n\n\t}\n\n\tclone( recursive ) {\n\n\t\treturn new this.constructor().copy( this, recursive );\n\n\t}\n\n\tcopy( source, recursive = true ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.up.copy( source.up );\n\n\t\tthis.position.copy( source.position );\n\t\tthis.rotation.order = source.rotation.order;\n\t\tthis.quaternion.copy( source.quaternion );\n\t\tthis.scale.copy( source.scale );\n\n\t\tthis.matrix.copy( source.matrix );\n\t\tthis.matrixWorld.copy( source.matrixWorld );\n\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\n\t\tthis.matrixWorldAutoUpdate = source.matrixWorldAutoUpdate;\n\t\tthis.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate;\n\n\t\tthis.layers.mask = source.layers.mask;\n\t\tthis.visible = source.visible;\n\n\t\tthis.castShadow = source.castShadow;\n\t\tthis.receiveShadow = source.receiveShadow;\n\n\t\tthis.frustumCulled = source.frustumCulled;\n\t\tthis.renderOrder = source.renderOrder;\n\n\t\tthis.animations = source.animations.slice();\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\tif ( recursive === true ) {\n\n\t\t\tfor ( let i = 0; i < source.children.length; i ++ ) {\n\n\t\t\t\tconst child = source.children[ i ];\n\t\t\t\tthis.add( child.clone() );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nObject3D.DEFAULT_UP = /*@__PURE__*/ new Vector3( 0, 1, 0 );\nObject3D.DEFAULT_MATRIX_AUTO_UPDATE = true;\nObject3D.DEFAULT_MATRIX_WORLD_AUTO_UPDATE = true;\n\nconst _v0$1 = /*@__PURE__*/ new Vector3();\nconst _v1$3 = /*@__PURE__*/ new Vector3();\nconst _v2$2 = /*@__PURE__*/ new Vector3();\nconst _v3$2 = /*@__PURE__*/ new Vector3();\n\nconst _vab = /*@__PURE__*/ new Vector3();\nconst _vac = /*@__PURE__*/ new Vector3();\nconst _vbc = /*@__PURE__*/ new Vector3();\nconst _vap = /*@__PURE__*/ new Vector3();\nconst _vbp = /*@__PURE__*/ new Vector3();\nconst _vcp = /*@__PURE__*/ new Vector3();\n\nconst _v40 = /*@__PURE__*/ new Vector4();\nconst _v41 = /*@__PURE__*/ new Vector4();\nconst _v42 = /*@__PURE__*/ new Vector4();\n\nclass Triangle {\n\n\tconstructor( a = new Vector3(), b = new Vector3(), c = new Vector3() ) {\n\n\t\tthis.a = a;\n\t\tthis.b = b;\n\t\tthis.c = c;\n\n\t}\n\n\tstatic getNormal( a, b, c, target ) {\n\n\t\ttarget.subVectors( c, b );\n\t\t_v0$1.subVectors( a, b );\n\t\ttarget.cross( _v0$1 );\n\n\t\tconst targetLengthSq = target.lengthSq();\n\t\tif ( targetLengthSq > 0 ) {\n\n\t\t\treturn target.multiplyScalar( 1 / Math.sqrt( targetLengthSq ) );\n\n\t\t}\n\n\t\treturn target.set( 0, 0, 0 );\n\n\t}\n\n\t// static/instance method to calculate barycentric coordinates\n\t// based on: http://www.blackpawn.com/texts/pointinpoly/default.html\n\tstatic getBarycoord( point, a, b, c, target ) {\n\n\t\t_v0$1.subVectors( c, a );\n\t\t_v1$3.subVectors( b, a );\n\t\t_v2$2.subVectors( point, a );\n\n\t\tconst dot00 = _v0$1.dot( _v0$1 );\n\t\tconst dot01 = _v0$1.dot( _v1$3 );\n\t\tconst dot02 = _v0$1.dot( _v2$2 );\n\t\tconst dot11 = _v1$3.dot( _v1$3 );\n\t\tconst dot12 = _v1$3.dot( _v2$2 );\n\n\t\tconst denom = ( dot00 * dot11 - dot01 * dot01 );\n\n\t\t// collinear or singular triangle\n\t\tif ( denom === 0 ) {\n\n\t\t\ttarget.set( 0, 0, 0 );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst invDenom = 1 / denom;\n\t\tconst u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom;\n\t\tconst v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom;\n\n\t\t// barycentric coordinates must always sum to 1\n\t\treturn target.set( 1 - u - v, v, u );\n\n\t}\n\n\tstatic containsPoint( point, a, b, c ) {\n\n\t\t// if the triangle is degenerate then we can't contain a point\n\t\tif ( this.getBarycoord( point, a, b, c, _v3$2 ) === null ) {\n\n\t\t\treturn false;\n\n\t\t}\n\n\t\treturn ( _v3$2.x >= 0 ) && ( _v3$2.y >= 0 ) && ( ( _v3$2.x + _v3$2.y ) <= 1 );\n\n\t}\n\n\tstatic getInterpolation( point, p1, p2, p3, v1, v2, v3, target ) {\n\n\t\tif ( this.getBarycoord( point, p1, p2, p3, _v3$2 ) === null ) {\n\n\t\t\ttarget.x = 0;\n\t\t\ttarget.y = 0;\n\t\t\tif ( 'z' in target ) target.z = 0;\n\t\t\tif ( 'w' in target ) target.w = 0;\n\t\t\treturn null;\n\n\t\t}\n\n\t\ttarget.setScalar( 0 );\n\t\ttarget.addScaledVector( v1, _v3$2.x );\n\t\ttarget.addScaledVector( v2, _v3$2.y );\n\t\ttarget.addScaledVector( v3, _v3$2.z );\n\n\t\treturn target;\n\n\t}\n\n\tstatic getInterpolatedAttribute( attr, i1, i2, i3, barycoord, target ) {\n\n\t\t_v40.setScalar( 0 );\n\t\t_v41.setScalar( 0 );\n\t\t_v42.setScalar( 0 );\n\n\t\t_v40.fromBufferAttribute( attr, i1 );\n\t\t_v41.fromBufferAttribute( attr, i2 );\n\t\t_v42.fromBufferAttribute( attr, i3 );\n\n\t\ttarget.setScalar( 0 );\n\t\ttarget.addScaledVector( _v40, barycoord.x );\n\t\ttarget.addScaledVector( _v41, barycoord.y );\n\t\ttarget.addScaledVector( _v42, barycoord.z );\n\n\t\treturn target;\n\n\t}\n\n\tstatic isFrontFacing( a, b, c, direction ) {\n\n\t\t_v0$1.subVectors( c, b );\n\t\t_v1$3.subVectors( a, b );\n\n\t\t// strictly front facing\n\t\treturn ( _v0$1.cross( _v1$3 ).dot( direction ) < 0 ) ? true : false;\n\n\t}\n\n\tset( a, b, c ) {\n\n\t\tthis.a.copy( a );\n\t\tthis.b.copy( b );\n\t\tthis.c.copy( c );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPointsAndIndices( points, i0, i1, i2 ) {\n\n\t\tthis.a.copy( points[ i0 ] );\n\t\tthis.b.copy( points[ i1 ] );\n\t\tthis.c.copy( points[ i2 ] );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromAttributeAndIndices( attribute, i0, i1, i2 ) {\n\n\t\tthis.a.fromBufferAttribute( attribute, i0 );\n\t\tthis.b.fromBufferAttribute( attribute, i1 );\n\t\tthis.c.fromBufferAttribute( attribute, i2 );\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( triangle ) {\n\n\t\tthis.a.copy( triangle.a );\n\t\tthis.b.copy( triangle.b );\n\t\tthis.c.copy( triangle.c );\n\n\t\treturn this;\n\n\t}\n\n\tgetArea() {\n\n\t\t_v0$1.subVectors( this.c, this.b );\n\t\t_v1$3.subVectors( this.a, this.b );\n\n\t\treturn _v0$1.cross( _v1$3 ).length() * 0.5;\n\n\t}\n\n\tgetMidpoint( target ) {\n\n\t\treturn target.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 );\n\n\t}\n\n\tgetNormal( target ) {\n\n\t\treturn Triangle.getNormal( this.a, this.b, this.c, target );\n\n\t}\n\n\tgetPlane( target ) {\n\n\t\treturn target.setFromCoplanarPoints( this.a, this.b, this.c );\n\n\t}\n\n\tgetBarycoord( point, target ) {\n\n\t\treturn Triangle.getBarycoord( point, this.a, this.b, this.c, target );\n\n\t}\n\n\tgetInterpolation( point, v1, v2, v3, target ) {\n\n\t\treturn Triangle.getInterpolation( point, this.a, this.b, this.c, v1, v2, v3, target );\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn Triangle.containsPoint( point, this.a, this.b, this.c );\n\n\t}\n\n\tisFrontFacing( direction ) {\n\n\t\treturn Triangle.isFrontFacing( this.a, this.b, this.c, direction );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsTriangle( this );\n\n\t}\n\n\tclosestPointToPoint( p, target ) {\n\n\t\tconst a = this.a, b = this.b, c = this.c;\n\t\tlet v, w;\n\n\t\t// algorithm thanks to Real-Time Collision Detection by Christer Ericson,\n\t\t// published by Morgan Kaufmann Publishers, (c) 2005 Elsevier Inc.,\n\t\t// under the accompanying license; see chapter 5.1.5 for detailed explanation.\n\t\t// basically, we're distinguishing which of the voronoi regions of the triangle\n\t\t// the point lies in with the minimum amount of redundant computation.\n\n\t\t_vab.subVectors( b, a );\n\t\t_vac.subVectors( c, a );\n\t\t_vap.subVectors( p, a );\n\t\tconst d1 = _vab.dot( _vap );\n\t\tconst d2 = _vac.dot( _vap );\n\t\tif ( d1 <= 0 && d2 <= 0 ) {\n\n\t\t\t// vertex region of A; barycentric coords (1, 0, 0)\n\t\t\treturn target.copy( a );\n\n\t\t}\n\n\t\t_vbp.subVectors( p, b );\n\t\tconst d3 = _vab.dot( _vbp );\n\t\tconst d4 = _vac.dot( _vbp );\n\t\tif ( d3 >= 0 && d4 <= d3 ) {\n\n\t\t\t// vertex region of B; barycentric coords (0, 1, 0)\n\t\t\treturn target.copy( b );\n\n\t\t}\n\n\t\tconst vc = d1 * d4 - d3 * d2;\n\t\tif ( vc <= 0 && d1 >= 0 && d3 <= 0 ) {\n\n\t\t\tv = d1 / ( d1 - d3 );\n\t\t\t// edge region of AB; barycentric coords (1-v, v, 0)\n\t\t\treturn target.copy( a ).addScaledVector( _vab, v );\n\n\t\t}\n\n\t\t_vcp.subVectors( p, c );\n\t\tconst d5 = _vab.dot( _vcp );\n\t\tconst d6 = _vac.dot( _vcp );\n\t\tif ( d6 >= 0 && d5 <= d6 ) {\n\n\t\t\t// vertex region of C; barycentric coords (0, 0, 1)\n\t\t\treturn target.copy( c );\n\n\t\t}\n\n\t\tconst vb = d5 * d2 - d1 * d6;\n\t\tif ( vb <= 0 && d2 >= 0 && d6 <= 0 ) {\n\n\t\t\tw = d2 / ( d2 - d6 );\n\t\t\t// edge region of AC; barycentric coords (1-w, 0, w)\n\t\t\treturn target.copy( a ).addScaledVector( _vac, w );\n\n\t\t}\n\n\t\tconst va = d3 * d6 - d5 * d4;\n\t\tif ( va <= 0 && ( d4 - d3 ) >= 0 && ( d5 - d6 ) >= 0 ) {\n\n\t\t\t_vbc.subVectors( c, b );\n\t\t\tw = ( d4 - d3 ) / ( ( d4 - d3 ) + ( d5 - d6 ) );\n\t\t\t// edge region of BC; barycentric coords (0, 1-w, w)\n\t\t\treturn target.copy( b ).addScaledVector( _vbc, w ); // edge region of BC\n\n\t\t}\n\n\t\t// face region\n\t\tconst denom = 1 / ( va + vb + vc );\n\t\t// u = va * denom\n\t\tv = vb * denom;\n\t\tw = vc * denom;\n\n\t\treturn target.copy( a ).addScaledVector( _vab, v ).addScaledVector( _vac, w );\n\n\t}\n\n\tequals( triangle ) {\n\n\t\treturn triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c );\n\n\t}\n\n}\n\nconst _colorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF,\n\t'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2,\n\t'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50,\n\t'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B,\n\t'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B,\n\t'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F,\n\t'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3,\n\t'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222,\n\t'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700,\n\t'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4,\n\t'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00,\n\t'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3,\n\t'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA,\n\t'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32,\n\t'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3,\n\t'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC,\n\t'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD,\n\t'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6,\n\t'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9,\n\t'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'rebeccapurple': 0x663399, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F,\n\t'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE,\n\t'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA,\n\t'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0,\n\t'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 };\n\nconst _hslA = { h: 0, s: 0, l: 0 };\nconst _hslB = { h: 0, s: 0, l: 0 };\n\nfunction hue2rgb( p, q, t ) {\n\n\tif ( t < 0 ) t += 1;\n\tif ( t > 1 ) t -= 1;\n\tif ( t < 1 / 6 ) return p + ( q - p ) * 6 * t;\n\tif ( t < 1 / 2 ) return q;\n\tif ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t );\n\treturn p;\n\n}\n\nclass Color {\n\n\tconstructor( r, g, b ) {\n\n\t\tthis.isColor = true;\n\n\t\tthis.r = 1;\n\t\tthis.g = 1;\n\t\tthis.b = 1;\n\n\t\treturn this.set( r, g, b );\n\n\t}\n\n\tset( r, g, b ) {\n\n\t\tif ( g === undefined && b === undefined ) {\n\n\t\t\t// r is THREE.Color, hex or string\n\n\t\t\tconst value = r;\n\n\t\t\tif ( value && value.isColor ) {\n\n\t\t\t\tthis.copy( value );\n\n\t\t\t} else if ( typeof value === 'number' ) {\n\n\t\t\t\tthis.setHex( value );\n\n\t\t\t} else if ( typeof value === 'string' ) {\n\n\t\t\t\tthis.setStyle( value );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tthis.setRGB( r, g, b );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetScalar( scalar ) {\n\n\t\tthis.r = scalar;\n\t\tthis.g = scalar;\n\t\tthis.b = scalar;\n\n\t\treturn this;\n\n\t}\n\n\tsetHex( hex, colorSpace = SRGBColorSpace ) {\n\n\t\thex = Math.floor( hex );\n\n\t\tthis.r = ( hex >> 16 & 255 ) / 255;\n\t\tthis.g = ( hex >> 8 & 255 ) / 255;\n\t\tthis.b = ( hex & 255 ) / 255;\n\n\t\tColorManagement.toWorkingColorSpace( this, colorSpace );\n\n\t\treturn this;\n\n\t}\n\n\tsetRGB( r, g, b, colorSpace = ColorManagement.workingColorSpace ) {\n\n\t\tthis.r = r;\n\t\tthis.g = g;\n\t\tthis.b = b;\n\n\t\tColorManagement.toWorkingColorSpace( this, colorSpace );\n\n\t\treturn this;\n\n\t}\n\n\tsetHSL( h, s, l, colorSpace = ColorManagement.workingColorSpace ) {\n\n\t\t// h,s,l ranges are in 0.0 - 1.0\n\t\th = euclideanModulo( h, 1 );\n\t\ts = clamp( s, 0, 1 );\n\t\tl = clamp( l, 0, 1 );\n\n\t\tif ( s === 0 ) {\n\n\t\t\tthis.r = this.g = this.b = l;\n\n\t\t} else {\n\n\t\t\tconst p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s );\n\t\t\tconst q = ( 2 * l ) - p;\n\n\t\t\tthis.r = hue2rgb( q, p, h + 1 / 3 );\n\t\t\tthis.g = hue2rgb( q, p, h );\n\t\t\tthis.b = hue2rgb( q, p, h - 1 / 3 );\n\n\t\t}\n\n\t\tColorManagement.toWorkingColorSpace( this, colorSpace );\n\n\t\treturn this;\n\n\t}\n\n\tsetStyle( style, colorSpace = SRGBColorSpace ) {\n\n\t\tfunction handleAlpha( string ) {\n\n\t\t\tif ( string === undefined ) return;\n\n\t\t\tif ( parseFloat( string ) < 1 ) {\n\n\t\t\t\tconsole.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' );\n\n\t\t\t}\n\n\t\t}\n\n\n\t\tlet m;\n\n\t\tif ( m = /^(\\w+)\\(([^\\)]*)\\)/.exec( style ) ) {\n\n\t\t\t// rgb / hsl\n\n\t\t\tlet color;\n\t\t\tconst name = m[ 1 ];\n\t\t\tconst components = m[ 2 ];\n\n\t\t\tswitch ( name ) {\n\n\t\t\t\tcase 'rgb':\n\t\t\t\tcase 'rgba':\n\n\t\t\t\t\tif ( color = /^\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// rgb(255,0,0) rgba(255,0,0,0.5)\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this.setRGB(\n\t\t\t\t\t\t\tMath.min( 255, parseInt( color[ 1 ], 10 ) ) / 255,\n\t\t\t\t\t\t\tMath.min( 255, parseInt( color[ 2 ], 10 ) ) / 255,\n\t\t\t\t\t\t\tMath.min( 255, parseInt( color[ 3 ], 10 ) ) / 255,\n\t\t\t\t\t\t\tcolorSpace\n\t\t\t\t\t\t);\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( color = /^\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*,\\s*(\\d+)\\%\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// rgb(100%,0%,0%) rgba(100%,0%,0%,0.5)\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this.setRGB(\n\t\t\t\t\t\t\tMath.min( 100, parseInt( color[ 1 ], 10 ) ) / 100,\n\t\t\t\t\t\t\tMath.min( 100, parseInt( color[ 2 ], 10 ) ) / 100,\n\t\t\t\t\t\t\tMath.min( 100, parseInt( color[ 3 ], 10 ) ) / 100,\n\t\t\t\t\t\t\tcolorSpace\n\t\t\t\t\t\t);\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'hsl':\n\t\t\t\tcase 'hsla':\n\n\t\t\t\t\tif ( color = /^\\s*(\\d*\\.?\\d+)\\s*,\\s*(\\d*\\.?\\d+)\\%\\s*,\\s*(\\d*\\.?\\d+)\\%\\s*(?:,\\s*(\\d*\\.?\\d+)\\s*)?$/.exec( components ) ) {\n\n\t\t\t\t\t\t// hsl(120,50%,50%) hsla(120,50%,50%,0.5)\n\n\t\t\t\t\t\thandleAlpha( color[ 4 ] );\n\n\t\t\t\t\t\treturn this.setHSL(\n\t\t\t\t\t\t\tparseFloat( color[ 1 ] ) / 360,\n\t\t\t\t\t\t\tparseFloat( color[ 2 ] ) / 100,\n\t\t\t\t\t\t\tparseFloat( color[ 3 ] ) / 100,\n\t\t\t\t\t\t\tcolorSpace\n\t\t\t\t\t\t);\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tconsole.warn( 'THREE.Color: Unknown color model ' + style );\n\n\t\t\t}\n\n\t\t} else if ( m = /^\\#([A-Fa-f\\d]+)$/.exec( style ) ) {\n\n\t\t\t// hex color\n\n\t\t\tconst hex = m[ 1 ];\n\t\t\tconst size = hex.length;\n\n\t\t\tif ( size === 3 ) {\n\n\t\t\t\t// #ff0\n\t\t\t\treturn this.setRGB(\n\t\t\t\t\tparseInt( hex.charAt( 0 ), 16 ) / 15,\n\t\t\t\t\tparseInt( hex.charAt( 1 ), 16 ) / 15,\n\t\t\t\t\tparseInt( hex.charAt( 2 ), 16 ) / 15,\n\t\t\t\t\tcolorSpace\n\t\t\t\t);\n\n\t\t\t} else if ( size === 6 ) {\n\n\t\t\t\t// #ff0000\n\t\t\t\treturn this.setHex( parseInt( hex, 16 ), colorSpace );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'THREE.Color: Invalid hex color ' + style );\n\n\t\t\t}\n\n\t\t} else if ( style && style.length > 0 ) {\n\n\t\t\treturn this.setColorName( style, colorSpace );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetColorName( style, colorSpace = SRGBColorSpace ) {\n\n\t\t// color keywords\n\t\tconst hex = _colorKeywords[ style.toLowerCase() ];\n\n\t\tif ( hex !== undefined ) {\n\n\t\t\t// red\n\t\t\tthis.setHex( hex, colorSpace );\n\n\t\t} else {\n\n\t\t\t// unknown color\n\t\t\tconsole.warn( 'THREE.Color: Unknown color ' + style );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.r, this.g, this.b );\n\n\t}\n\n\tcopy( color ) {\n\n\t\tthis.r = color.r;\n\t\tthis.g = color.g;\n\t\tthis.b = color.b;\n\n\t\treturn this;\n\n\t}\n\n\tcopySRGBToLinear( color ) {\n\n\t\tthis.r = SRGBToLinear( color.r );\n\t\tthis.g = SRGBToLinear( color.g );\n\t\tthis.b = SRGBToLinear( color.b );\n\n\t\treturn this;\n\n\t}\n\n\tcopyLinearToSRGB( color ) {\n\n\t\tthis.r = LinearToSRGB( color.r );\n\t\tthis.g = LinearToSRGB( color.g );\n\t\tthis.b = LinearToSRGB( color.b );\n\n\t\treturn this;\n\n\t}\n\n\tconvertSRGBToLinear() {\n\n\t\tthis.copySRGBToLinear( this );\n\n\t\treturn this;\n\n\t}\n\n\tconvertLinearToSRGB() {\n\n\t\tthis.copyLinearToSRGB( this );\n\n\t\treturn this;\n\n\t}\n\n\tgetHex( colorSpace = SRGBColorSpace ) {\n\n\t\tColorManagement.fromWorkingColorSpace( _color.copy( this ), colorSpace );\n\n\t\treturn Math.round( clamp( _color.r * 255, 0, 255 ) ) * 65536 + Math.round( clamp( _color.g * 255, 0, 255 ) ) * 256 + Math.round( clamp( _color.b * 255, 0, 255 ) );\n\n\t}\n\n\tgetHexString( colorSpace = SRGBColorSpace ) {\n\n\t\treturn ( '000000' + this.getHex( colorSpace ).toString( 16 ) ).slice( - 6 );\n\n\t}\n\n\tgetHSL( target, colorSpace = ColorManagement.workingColorSpace ) {\n\n\t\t// h,s,l ranges are in 0.0 - 1.0\n\n\t\tColorManagement.fromWorkingColorSpace( _color.copy( this ), colorSpace );\n\n\t\tconst r = _color.r, g = _color.g, b = _color.b;\n\n\t\tconst max = Math.max( r, g, b );\n\t\tconst min = Math.min( r, g, b );\n\n\t\tlet hue, saturation;\n\t\tconst lightness = ( min + max ) / 2.0;\n\n\t\tif ( min === max ) {\n\n\t\t\thue = 0;\n\t\t\tsaturation = 0;\n\n\t\t} else {\n\n\t\t\tconst delta = max - min;\n\n\t\t\tsaturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min );\n\n\t\t\tswitch ( max ) {\n\n\t\t\t\tcase r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break;\n\t\t\t\tcase g: hue = ( b - r ) / delta + 2; break;\n\t\t\t\tcase b: hue = ( r - g ) / delta + 4; break;\n\n\t\t\t}\n\n\t\t\thue /= 6;\n\n\t\t}\n\n\t\ttarget.h = hue;\n\t\ttarget.s = saturation;\n\t\ttarget.l = lightness;\n\n\t\treturn target;\n\n\t}\n\n\tgetRGB( target, colorSpace = ColorManagement.workingColorSpace ) {\n\n\t\tColorManagement.fromWorkingColorSpace( _color.copy( this ), colorSpace );\n\n\t\ttarget.r = _color.r;\n\t\ttarget.g = _color.g;\n\t\ttarget.b = _color.b;\n\n\t\treturn target;\n\n\t}\n\n\tgetStyle( colorSpace = SRGBColorSpace ) {\n\n\t\tColorManagement.fromWorkingColorSpace( _color.copy( this ), colorSpace );\n\n\t\tconst r = _color.r, g = _color.g, b = _color.b;\n\n\t\tif ( colorSpace !== SRGBColorSpace ) {\n\n\t\t\t// Requires CSS Color Module Level 4 (https://www.w3.org/TR/css-color-4/).\n\t\t\treturn `color(${ colorSpace } ${ r.toFixed( 3 ) } ${ g.toFixed( 3 ) } ${ b.toFixed( 3 ) })`;\n\n\t\t}\n\n\t\treturn `rgb(${ Math.round( r * 255 ) },${ Math.round( g * 255 ) },${ Math.round( b * 255 ) })`;\n\n\t}\n\n\toffsetHSL( h, s, l ) {\n\n\t\tthis.getHSL( _hslA );\n\n\t\treturn this.setHSL( _hslA.h + h, _hslA.s + s, _hslA.l + l );\n\n\t}\n\n\tadd( color ) {\n\n\t\tthis.r += color.r;\n\t\tthis.g += color.g;\n\t\tthis.b += color.b;\n\n\t\treturn this;\n\n\t}\n\n\taddColors( color1, color2 ) {\n\n\t\tthis.r = color1.r + color2.r;\n\t\tthis.g = color1.g + color2.g;\n\t\tthis.b = color1.b + color2.b;\n\n\t\treturn this;\n\n\t}\n\n\taddScalar( s ) {\n\n\t\tthis.r += s;\n\t\tthis.g += s;\n\t\tthis.b += s;\n\n\t\treturn this;\n\n\t}\n\n\tsub( color ) {\n\n\t\tthis.r = Math.max( 0, this.r - color.r );\n\t\tthis.g = Math.max( 0, this.g - color.g );\n\t\tthis.b = Math.max( 0, this.b - color.b );\n\n\t\treturn this;\n\n\t}\n\n\tmultiply( color ) {\n\n\t\tthis.r *= color.r;\n\t\tthis.g *= color.g;\n\t\tthis.b *= color.b;\n\n\t\treturn this;\n\n\t}\n\n\tmultiplyScalar( s ) {\n\n\t\tthis.r *= s;\n\t\tthis.g *= s;\n\t\tthis.b *= s;\n\n\t\treturn this;\n\n\t}\n\n\tlerp( color, alpha ) {\n\n\t\tthis.r += ( color.r - this.r ) * alpha;\n\t\tthis.g += ( color.g - this.g ) * alpha;\n\t\tthis.b += ( color.b - this.b ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpColors( color1, color2, alpha ) {\n\n\t\tthis.r = color1.r + ( color2.r - color1.r ) * alpha;\n\t\tthis.g = color1.g + ( color2.g - color1.g ) * alpha;\n\t\tthis.b = color1.b + ( color2.b - color1.b ) * alpha;\n\n\t\treturn this;\n\n\t}\n\n\tlerpHSL( color, alpha ) {\n\n\t\tthis.getHSL( _hslA );\n\t\tcolor.getHSL( _hslB );\n\n\t\tconst h = lerp( _hslA.h, _hslB.h, alpha );\n\t\tconst s = lerp( _hslA.s, _hslB.s, alpha );\n\t\tconst l = lerp( _hslA.l, _hslB.l, alpha );\n\n\t\tthis.setHSL( h, s, l );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromVector3( v ) {\n\n\t\tthis.r = v.x;\n\t\tthis.g = v.y;\n\t\tthis.b = v.z;\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tconst r = this.r, g = this.g, b = this.b;\n\t\tconst e = m.elements;\n\n\t\tthis.r = e[ 0 ] * r + e[ 3 ] * g + e[ 6 ] * b;\n\t\tthis.g = e[ 1 ] * r + e[ 4 ] * g + e[ 7 ] * b;\n\t\tthis.b = e[ 2 ] * r + e[ 5 ] * g + e[ 8 ] * b;\n\n\t\treturn this;\n\n\t}\n\n\tequals( c ) {\n\n\t\treturn ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tthis.r = array[ offset ];\n\t\tthis.g = array[ offset + 1 ];\n\t\tthis.b = array[ offset + 2 ];\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tarray[ offset ] = this.r;\n\t\tarray[ offset + 1 ] = this.g;\n\t\tarray[ offset + 2 ] = this.b;\n\n\t\treturn array;\n\n\t}\n\n\tfromBufferAttribute( attribute, index ) {\n\n\t\tthis.r = attribute.getX( index );\n\t\tthis.g = attribute.getY( index );\n\t\tthis.b = attribute.getZ( index );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\treturn this.getHex();\n\n\t}\n\n\t*[ Symbol.iterator ]() {\n\n\t\tyield this.r;\n\t\tyield this.g;\n\t\tyield this.b;\n\n\t}\n\n}\n\nconst _color = /*@__PURE__*/ new Color();\n\nColor.NAMES = _colorKeywords;\n\nlet _materialId = 0;\n\nclass Material extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isMaterial = true;\n\n\t\tObject.defineProperty( this, 'id', { value: _materialId ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'Material';\n\n\t\tthis.blending = NormalBlending;\n\t\tthis.side = FrontSide;\n\t\tthis.vertexColors = false;\n\n\t\tthis.opacity = 1;\n\t\tthis.transparent = false;\n\t\tthis.alphaHash = false;\n\n\t\tthis.blendSrc = SrcAlphaFactor;\n\t\tthis.blendDst = OneMinusSrcAlphaFactor;\n\t\tthis.blendEquation = AddEquation;\n\t\tthis.blendSrcAlpha = null;\n\t\tthis.blendDstAlpha = null;\n\t\tthis.blendEquationAlpha = null;\n\t\tthis.blendColor = new Color( 0, 0, 0 );\n\t\tthis.blendAlpha = 0;\n\n\t\tthis.depthFunc = LessEqualDepth;\n\t\tthis.depthTest = true;\n\t\tthis.depthWrite = true;\n\n\t\tthis.stencilWriteMask = 0xff;\n\t\tthis.stencilFunc = AlwaysStencilFunc;\n\t\tthis.stencilRef = 0;\n\t\tthis.stencilFuncMask = 0xff;\n\t\tthis.stencilFail = KeepStencilOp;\n\t\tthis.stencilZFail = KeepStencilOp;\n\t\tthis.stencilZPass = KeepStencilOp;\n\t\tthis.stencilWrite = false;\n\n\t\tthis.clippingPlanes = null;\n\t\tthis.clipIntersection = false;\n\t\tthis.clipShadows = false;\n\n\t\tthis.shadowSide = null;\n\n\t\tthis.colorWrite = true;\n\n\t\tthis.precision = null; // override the renderer's default precision for this material\n\n\t\tthis.polygonOffset = false;\n\t\tthis.polygonOffsetFactor = 0;\n\t\tthis.polygonOffsetUnits = 0;\n\n\t\tthis.dithering = false;\n\n\t\tthis.alphaToCoverage = false;\n\t\tthis.premultipliedAlpha = false;\n\t\tthis.forceSinglePass = false;\n\n\t\tthis.visible = true;\n\n\t\tthis.toneMapped = true;\n\n\t\tthis.userData = {};\n\n\t\tthis.version = 0;\n\n\t\tthis._alphaTest = 0;\n\n\t}\n\n\tget alphaTest() {\n\n\t\treturn this._alphaTest;\n\n\t}\n\n\tset alphaTest( value ) {\n\n\t\tif ( this._alphaTest > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._alphaTest = value;\n\n\t}\n\n\t// onBeforeRender and onBeforeCompile only supported in WebGLRenderer\n\n\tonBeforeRender( /* renderer, scene, camera, geometry, object, group */ ) {}\n\n\tonBeforeCompile( /* shaderobject, renderer */ ) {}\n\n\tcustomProgramCacheKey() {\n\n\t\treturn this.onBeforeCompile.toString();\n\n\t}\n\n\tsetValues( values ) {\n\n\t\tif ( values === undefined ) return;\n\n\t\tfor ( const key in values ) {\n\n\t\t\tconst newValue = values[ key ];\n\n\t\t\tif ( newValue === undefined ) {\n\n\t\t\t\tconsole.warn( `THREE.Material: parameter '${ key }' has value of undefined.` );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tconst currentValue = this[ key ];\n\n\t\t\tif ( currentValue === undefined ) {\n\n\t\t\t\tconsole.warn( `THREE.Material: '${ key }' is not a property of THREE.${ this.type }.` );\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tif ( currentValue && currentValue.isColor ) {\n\n\t\t\t\tcurrentValue.set( newValue );\n\n\t\t\t} else if ( ( currentValue && currentValue.isVector3 ) && ( newValue && newValue.isVector3 ) ) {\n\n\t\t\t\tcurrentValue.copy( newValue );\n\n\t\t\t} else {\n\n\t\t\t\tthis[ key ] = newValue;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst isRootObject = ( meta === undefined || typeof meta === 'string' );\n\n\t\tif ( isRootObject ) {\n\n\t\t\tmeta = {\n\t\t\t\ttextures: {},\n\t\t\t\timages: {}\n\t\t\t};\n\n\t\t}\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.6,\n\t\t\t\ttype: 'Material',\n\t\t\t\tgenerator: 'Material.toJSON'\n\t\t\t}\n\t\t};\n\n\t\t// standard Material serialization\n\t\tdata.uuid = this.uuid;\n\t\tdata.type = this.type;\n\n\t\tif ( this.name !== '' ) data.name = this.name;\n\n\t\tif ( this.color && this.color.isColor ) data.color = this.color.getHex();\n\n\t\tif ( this.roughness !== undefined ) data.roughness = this.roughness;\n\t\tif ( this.metalness !== undefined ) data.metalness = this.metalness;\n\n\t\tif ( this.sheen !== undefined ) data.sheen = this.sheen;\n\t\tif ( this.sheenColor && this.sheenColor.isColor ) data.sheenColor = this.sheenColor.getHex();\n\t\tif ( this.sheenRoughness !== undefined ) data.sheenRoughness = this.sheenRoughness;\n\t\tif ( this.emissive && this.emissive.isColor ) data.emissive = this.emissive.getHex();\n\t\tif ( this.emissiveIntensity !== undefined && this.emissiveIntensity !== 1 ) data.emissiveIntensity = this.emissiveIntensity;\n\n\t\tif ( this.specular && this.specular.isColor ) data.specular = this.specular.getHex();\n\t\tif ( this.specularIntensity !== undefined ) data.specularIntensity = this.specularIntensity;\n\t\tif ( this.specularColor && this.specularColor.isColor ) data.specularColor = this.specularColor.getHex();\n\t\tif ( this.shininess !== undefined ) data.shininess = this.shininess;\n\t\tif ( this.clearcoat !== undefined ) data.clearcoat = this.clearcoat;\n\t\tif ( this.clearcoatRoughness !== undefined ) data.clearcoatRoughness = this.clearcoatRoughness;\n\n\t\tif ( this.clearcoatMap && this.clearcoatMap.isTexture ) {\n\n\t\t\tdata.clearcoatMap = this.clearcoatMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.clearcoatRoughnessMap && this.clearcoatRoughnessMap.isTexture ) {\n\n\t\t\tdata.clearcoatRoughnessMap = this.clearcoatRoughnessMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.clearcoatNormalMap && this.clearcoatNormalMap.isTexture ) {\n\n\t\t\tdata.clearcoatNormalMap = this.clearcoatNormalMap.toJSON( meta ).uuid;\n\t\t\tdata.clearcoatNormalScale = this.clearcoatNormalScale.toArray();\n\n\t\t}\n\n\t\tif ( this.dispersion !== undefined ) data.dispersion = this.dispersion;\n\n\t\tif ( this.iridescence !== undefined ) data.iridescence = this.iridescence;\n\t\tif ( this.iridescenceIOR !== undefined ) data.iridescenceIOR = this.iridescenceIOR;\n\t\tif ( this.iridescenceThicknessRange !== undefined ) data.iridescenceThicknessRange = this.iridescenceThicknessRange;\n\n\t\tif ( this.iridescenceMap && this.iridescenceMap.isTexture ) {\n\n\t\t\tdata.iridescenceMap = this.iridescenceMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.iridescenceThicknessMap && this.iridescenceThicknessMap.isTexture ) {\n\n\t\t\tdata.iridescenceThicknessMap = this.iridescenceThicknessMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.anisotropy !== undefined ) data.anisotropy = this.anisotropy;\n\t\tif ( this.anisotropyRotation !== undefined ) data.anisotropyRotation = this.anisotropyRotation;\n\n\t\tif ( this.anisotropyMap && this.anisotropyMap.isTexture ) {\n\n\t\t\tdata.anisotropyMap = this.anisotropyMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.map && this.map.isTexture ) data.map = this.map.toJSON( meta ).uuid;\n\t\tif ( this.matcap && this.matcap.isTexture ) data.matcap = this.matcap.toJSON( meta ).uuid;\n\t\tif ( this.alphaMap && this.alphaMap.isTexture ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid;\n\n\t\tif ( this.lightMap && this.lightMap.isTexture ) {\n\n\t\t\tdata.lightMap = this.lightMap.toJSON( meta ).uuid;\n\t\t\tdata.lightMapIntensity = this.lightMapIntensity;\n\n\t\t}\n\n\t\tif ( this.aoMap && this.aoMap.isTexture ) {\n\n\t\t\tdata.aoMap = this.aoMap.toJSON( meta ).uuid;\n\t\t\tdata.aoMapIntensity = this.aoMapIntensity;\n\n\t\t}\n\n\t\tif ( this.bumpMap && this.bumpMap.isTexture ) {\n\n\t\t\tdata.bumpMap = this.bumpMap.toJSON( meta ).uuid;\n\t\t\tdata.bumpScale = this.bumpScale;\n\n\t\t}\n\n\t\tif ( this.normalMap && this.normalMap.isTexture ) {\n\n\t\t\tdata.normalMap = this.normalMap.toJSON( meta ).uuid;\n\t\t\tdata.normalMapType = this.normalMapType;\n\t\t\tdata.normalScale = this.normalScale.toArray();\n\n\t\t}\n\n\t\tif ( this.displacementMap && this.displacementMap.isTexture ) {\n\n\t\t\tdata.displacementMap = this.displacementMap.toJSON( meta ).uuid;\n\t\t\tdata.displacementScale = this.displacementScale;\n\t\t\tdata.displacementBias = this.displacementBias;\n\n\t\t}\n\n\t\tif ( this.roughnessMap && this.roughnessMap.isTexture ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid;\n\t\tif ( this.metalnessMap && this.metalnessMap.isTexture ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid;\n\n\t\tif ( this.emissiveMap && this.emissiveMap.isTexture ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid;\n\t\tif ( this.specularMap && this.specularMap.isTexture ) data.specularMap = this.specularMap.toJSON( meta ).uuid;\n\t\tif ( this.specularIntensityMap && this.specularIntensityMap.isTexture ) data.specularIntensityMap = this.specularIntensityMap.toJSON( meta ).uuid;\n\t\tif ( this.specularColorMap && this.specularColorMap.isTexture ) data.specularColorMap = this.specularColorMap.toJSON( meta ).uuid;\n\n\t\tif ( this.envMap && this.envMap.isTexture ) {\n\n\t\t\tdata.envMap = this.envMap.toJSON( meta ).uuid;\n\n\t\t\tif ( this.combine !== undefined ) data.combine = this.combine;\n\n\t\t}\n\n\t\tif ( this.envMapRotation !== undefined ) data.envMapRotation = this.envMapRotation.toArray();\n\t\tif ( this.envMapIntensity !== undefined ) data.envMapIntensity = this.envMapIntensity;\n\t\tif ( this.reflectivity !== undefined ) data.reflectivity = this.reflectivity;\n\t\tif ( this.refractionRatio !== undefined ) data.refractionRatio = this.refractionRatio;\n\n\t\tif ( this.gradientMap && this.gradientMap.isTexture ) {\n\n\t\t\tdata.gradientMap = this.gradientMap.toJSON( meta ).uuid;\n\n\t\t}\n\n\t\tif ( this.transmission !== undefined ) data.transmission = this.transmission;\n\t\tif ( this.transmissionMap && this.transmissionMap.isTexture ) data.transmissionMap = this.transmissionMap.toJSON( meta ).uuid;\n\t\tif ( this.thickness !== undefined ) data.thickness = this.thickness;\n\t\tif ( this.thicknessMap && this.thicknessMap.isTexture ) data.thicknessMap = this.thicknessMap.toJSON( meta ).uuid;\n\t\tif ( this.attenuationDistance !== undefined && this.attenuationDistance !== Infinity ) data.attenuationDistance = this.attenuationDistance;\n\t\tif ( this.attenuationColor !== undefined ) data.attenuationColor = this.attenuationColor.getHex();\n\n\t\tif ( this.size !== undefined ) data.size = this.size;\n\t\tif ( this.shadowSide !== null ) data.shadowSide = this.shadowSide;\n\t\tif ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation;\n\n\t\tif ( this.blending !== NormalBlending ) data.blending = this.blending;\n\t\tif ( this.side !== FrontSide ) data.side = this.side;\n\t\tif ( this.vertexColors === true ) data.vertexColors = true;\n\n\t\tif ( this.opacity < 1 ) data.opacity = this.opacity;\n\t\tif ( this.transparent === true ) data.transparent = true;\n\n\t\tif ( this.blendSrc !== SrcAlphaFactor ) data.blendSrc = this.blendSrc;\n\t\tif ( this.blendDst !== OneMinusSrcAlphaFactor ) data.blendDst = this.blendDst;\n\t\tif ( this.blendEquation !== AddEquation ) data.blendEquation = this.blendEquation;\n\t\tif ( this.blendSrcAlpha !== null ) data.blendSrcAlpha = this.blendSrcAlpha;\n\t\tif ( this.blendDstAlpha !== null ) data.blendDstAlpha = this.blendDstAlpha;\n\t\tif ( this.blendEquationAlpha !== null ) data.blendEquationAlpha = this.blendEquationAlpha;\n\t\tif ( this.blendColor && this.blendColor.isColor ) data.blendColor = this.blendColor.getHex();\n\t\tif ( this.blendAlpha !== 0 ) data.blendAlpha = this.blendAlpha;\n\n\t\tif ( this.depthFunc !== LessEqualDepth ) data.depthFunc = this.depthFunc;\n\t\tif ( this.depthTest === false ) data.depthTest = this.depthTest;\n\t\tif ( this.depthWrite === false ) data.depthWrite = this.depthWrite;\n\t\tif ( this.colorWrite === false ) data.colorWrite = this.colorWrite;\n\n\t\tif ( this.stencilWriteMask !== 0xff ) data.stencilWriteMask = this.stencilWriteMask;\n\t\tif ( this.stencilFunc !== AlwaysStencilFunc ) data.stencilFunc = this.stencilFunc;\n\t\tif ( this.stencilRef !== 0 ) data.stencilRef = this.stencilRef;\n\t\tif ( this.stencilFuncMask !== 0xff ) data.stencilFuncMask = this.stencilFuncMask;\n\t\tif ( this.stencilFail !== KeepStencilOp ) data.stencilFail = this.stencilFail;\n\t\tif ( this.stencilZFail !== KeepStencilOp ) data.stencilZFail = this.stencilZFail;\n\t\tif ( this.stencilZPass !== KeepStencilOp ) data.stencilZPass = this.stencilZPass;\n\t\tif ( this.stencilWrite === true ) data.stencilWrite = this.stencilWrite;\n\n\t\t// rotation (SpriteMaterial)\n\t\tif ( this.rotation !== undefined && this.rotation !== 0 ) data.rotation = this.rotation;\n\n\t\tif ( this.polygonOffset === true ) data.polygonOffset = true;\n\t\tif ( this.polygonOffsetFactor !== 0 ) data.polygonOffsetFactor = this.polygonOffsetFactor;\n\t\tif ( this.polygonOffsetUnits !== 0 ) data.polygonOffsetUnits = this.polygonOffsetUnits;\n\n\t\tif ( this.linewidth !== undefined && this.linewidth !== 1 ) data.linewidth = this.linewidth;\n\t\tif ( this.dashSize !== undefined ) data.dashSize = this.dashSize;\n\t\tif ( this.gapSize !== undefined ) data.gapSize = this.gapSize;\n\t\tif ( this.scale !== undefined ) data.scale = this.scale;\n\n\t\tif ( this.dithering === true ) data.dithering = true;\n\n\t\tif ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest;\n\t\tif ( this.alphaHash === true ) data.alphaHash = true;\n\t\tif ( this.alphaToCoverage === true ) data.alphaToCoverage = true;\n\t\tif ( this.premultipliedAlpha === true ) data.premultipliedAlpha = true;\n\t\tif ( this.forceSinglePass === true ) data.forceSinglePass = true;\n\n\t\tif ( this.wireframe === true ) data.wireframe = true;\n\t\tif ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth;\n\t\tif ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap;\n\t\tif ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin;\n\n\t\tif ( this.flatShading === true ) data.flatShading = true;\n\n\t\tif ( this.visible === false ) data.visible = false;\n\n\t\tif ( this.toneMapped === false ) data.toneMapped = false;\n\n\t\tif ( this.fog === false ) data.fog = false;\n\n\t\tif ( Object.keys( this.userData ).length > 0 ) data.userData = this.userData;\n\n\t\t// TODO: Copied from Object3D.toJSON\n\n\t\tfunction extractFromCache( cache ) {\n\n\t\t\tconst values = [];\n\n\t\t\tfor ( const key in cache ) {\n\n\t\t\t\tconst data = cache[ key ];\n\t\t\t\tdelete data.metadata;\n\t\t\t\tvalues.push( data );\n\n\t\t\t}\n\n\t\t\treturn values;\n\n\t\t}\n\n\t\tif ( isRootObject ) {\n\n\t\t\tconst textures = extractFromCache( meta.textures );\n\t\t\tconst images = extractFromCache( meta.images );\n\n\t\t\tif ( textures.length > 0 ) data.textures = textures;\n\t\t\tif ( images.length > 0 ) data.images = images;\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\n\t\tthis.blending = source.blending;\n\t\tthis.side = source.side;\n\t\tthis.vertexColors = source.vertexColors;\n\n\t\tthis.opacity = source.opacity;\n\t\tthis.transparent = source.transparent;\n\n\t\tthis.blendSrc = source.blendSrc;\n\t\tthis.blendDst = source.blendDst;\n\t\tthis.blendEquation = source.blendEquation;\n\t\tthis.blendSrcAlpha = source.blendSrcAlpha;\n\t\tthis.blendDstAlpha = source.blendDstAlpha;\n\t\tthis.blendEquationAlpha = source.blendEquationAlpha;\n\t\tthis.blendColor.copy( source.blendColor );\n\t\tthis.blendAlpha = source.blendAlpha;\n\n\t\tthis.depthFunc = source.depthFunc;\n\t\tthis.depthTest = source.depthTest;\n\t\tthis.depthWrite = source.depthWrite;\n\n\t\tthis.stencilWriteMask = source.stencilWriteMask;\n\t\tthis.stencilFunc = source.stencilFunc;\n\t\tthis.stencilRef = source.stencilRef;\n\t\tthis.stencilFuncMask = source.stencilFuncMask;\n\t\tthis.stencilFail = source.stencilFail;\n\t\tthis.stencilZFail = source.stencilZFail;\n\t\tthis.stencilZPass = source.stencilZPass;\n\t\tthis.stencilWrite = source.stencilWrite;\n\n\t\tconst srcPlanes = source.clippingPlanes;\n\t\tlet dstPlanes = null;\n\n\t\tif ( srcPlanes !== null ) {\n\n\t\t\tconst n = srcPlanes.length;\n\t\t\tdstPlanes = new Array( n );\n\n\t\t\tfor ( let i = 0; i !== n; ++ i ) {\n\n\t\t\t\tdstPlanes[ i ] = srcPlanes[ i ].clone();\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.clippingPlanes = dstPlanes;\n\t\tthis.clipIntersection = source.clipIntersection;\n\t\tthis.clipShadows = source.clipShadows;\n\n\t\tthis.shadowSide = source.shadowSide;\n\n\t\tthis.colorWrite = source.colorWrite;\n\n\t\tthis.precision = source.precision;\n\n\t\tthis.polygonOffset = source.polygonOffset;\n\t\tthis.polygonOffsetFactor = source.polygonOffsetFactor;\n\t\tthis.polygonOffsetUnits = source.polygonOffsetUnits;\n\n\t\tthis.dithering = source.dithering;\n\n\t\tthis.alphaTest = source.alphaTest;\n\t\tthis.alphaHash = source.alphaHash;\n\t\tthis.alphaToCoverage = source.alphaToCoverage;\n\t\tthis.premultipliedAlpha = source.premultipliedAlpha;\n\t\tthis.forceSinglePass = source.forceSinglePass;\n\n\t\tthis.visible = source.visible;\n\n\t\tthis.toneMapped = source.toneMapped;\n\n\t\tthis.userData = JSON.parse( JSON.stringify( source.userData ) );\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tonBuild( /* shaderobject, renderer */ ) {\n\n\t\tconsole.warn( 'Material: onBuild() has been removed.' ); // @deprecated, r166\n\n\t}\n\n}\n\nclass MeshBasicMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshBasicMaterial = true;\n\n\t\tthis.type = 'MeshBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // emissive\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.envMapRotation = new Euler();\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapRotation.copy( source.envMapRotation );\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\n// Fast Half Float Conversions, http://www.fox-toolkit.org/ftp/fasthalffloatconversion.pdf\n\nconst _tables = /*@__PURE__*/ _generateTables();\n\nfunction _generateTables() {\n\n\t// float32 to float16 helpers\n\n\tconst buffer = new ArrayBuffer( 4 );\n\tconst floatView = new Float32Array( buffer );\n\tconst uint32View = new Uint32Array( buffer );\n\n\tconst baseTable = new Uint32Array( 512 );\n\tconst shiftTable = new Uint32Array( 512 );\n\n\tfor ( let i = 0; i < 256; ++ i ) {\n\n\t\tconst e = i - 127;\n\n\t\t// very small number (0, -0)\n\n\t\tif ( e < - 27 ) {\n\n\t\t\tbaseTable[ i ] = 0x0000;\n\t\t\tbaseTable[ i | 0x100 ] = 0x8000;\n\t\t\tshiftTable[ i ] = 24;\n\t\t\tshiftTable[ i | 0x100 ] = 24;\n\n\t\t\t// small number (denorm)\n\n\t\t} else if ( e < - 14 ) {\n\n\t\t\tbaseTable[ i ] = 0x0400 >> ( - e - 14 );\n\t\t\tbaseTable[ i | 0x100 ] = ( 0x0400 >> ( - e - 14 ) ) | 0x8000;\n\t\t\tshiftTable[ i ] = - e - 1;\n\t\t\tshiftTable[ i | 0x100 ] = - e - 1;\n\n\t\t\t// normal number\n\n\t\t} else if ( e <= 15 ) {\n\n\t\t\tbaseTable[ i ] = ( e + 15 ) << 10;\n\t\t\tbaseTable[ i | 0x100 ] = ( ( e + 15 ) << 10 ) | 0x8000;\n\t\t\tshiftTable[ i ] = 13;\n\t\t\tshiftTable[ i | 0x100 ] = 13;\n\n\t\t\t// large number (Infinity, -Infinity)\n\n\t\t} else if ( e < 128 ) {\n\n\t\t\tbaseTable[ i ] = 0x7c00;\n\t\t\tbaseTable[ i | 0x100 ] = 0xfc00;\n\t\t\tshiftTable[ i ] = 24;\n\t\t\tshiftTable[ i | 0x100 ] = 24;\n\n\t\t\t// stay (NaN, Infinity, -Infinity)\n\n\t\t} else {\n\n\t\t\tbaseTable[ i ] = 0x7c00;\n\t\t\tbaseTable[ i | 0x100 ] = 0xfc00;\n\t\t\tshiftTable[ i ] = 13;\n\t\t\tshiftTable[ i | 0x100 ] = 13;\n\n\t\t}\n\n\t}\n\n\t// float16 to float32 helpers\n\n\tconst mantissaTable = new Uint32Array( 2048 );\n\tconst exponentTable = new Uint32Array( 64 );\n\tconst offsetTable = new Uint32Array( 64 );\n\n\tfor ( let i = 1; i < 1024; ++ i ) {\n\n\t\tlet m = i << 13; // zero pad mantissa bits\n\t\tlet e = 0; // zero exponent\n\n\t\t// normalized\n\t\twhile ( ( m & 0x00800000 ) === 0 ) {\n\n\t\t\tm <<= 1;\n\t\t\te -= 0x00800000; // decrement exponent\n\n\t\t}\n\n\t\tm &= ~ 0x00800000; // clear leading 1 bit\n\t\te += 0x38800000; // adjust bias\n\n\t\tmantissaTable[ i ] = m | e;\n\n\t}\n\n\tfor ( let i = 1024; i < 2048; ++ i ) {\n\n\t\tmantissaTable[ i ] = 0x38000000 + ( ( i - 1024 ) << 13 );\n\n\t}\n\n\tfor ( let i = 1; i < 31; ++ i ) {\n\n\t\texponentTable[ i ] = i << 23;\n\n\t}\n\n\texponentTable[ 31 ] = 0x47800000;\n\texponentTable[ 32 ] = 0x80000000;\n\n\tfor ( let i = 33; i < 63; ++ i ) {\n\n\t\texponentTable[ i ] = 0x80000000 + ( ( i - 32 ) << 23 );\n\n\t}\n\n\texponentTable[ 63 ] = 0xc7800000;\n\n\tfor ( let i = 1; i < 64; ++ i ) {\n\n\t\tif ( i !== 32 ) {\n\n\t\t\toffsetTable[ i ] = 1024;\n\n\t\t}\n\n\t}\n\n\treturn {\n\t\tfloatView: floatView,\n\t\tuint32View: uint32View,\n\t\tbaseTable: baseTable,\n\t\tshiftTable: shiftTable,\n\t\tmantissaTable: mantissaTable,\n\t\texponentTable: exponentTable,\n\t\toffsetTable: offsetTable\n\t};\n\n}\n\n// float32 to float16\n\nfunction toHalfFloat( val ) {\n\n\tif ( Math.abs( val ) > 65504 ) console.warn( 'THREE.DataUtils.toHalfFloat(): Value out of range.' );\n\n\tval = clamp( val, - 65504, 65504 );\n\n\t_tables.floatView[ 0 ] = val;\n\tconst f = _tables.uint32View[ 0 ];\n\tconst e = ( f >> 23 ) & 0x1ff;\n\treturn _tables.baseTable[ e ] + ( ( f & 0x007fffff ) >> _tables.shiftTable[ e ] );\n\n}\n\n// float16 to float32\n\nfunction fromHalfFloat( val ) {\n\n\tconst m = val >> 10;\n\t_tables.uint32View[ 0 ] = _tables.mantissaTable[ _tables.offsetTable[ m ] + ( val & 0x3ff ) ] + _tables.exponentTable[ m ];\n\treturn _tables.floatView[ 0 ];\n\n}\n\nconst DataUtils = {\n\ttoHalfFloat: toHalfFloat,\n\tfromHalfFloat: fromHalfFloat,\n};\n\nconst _vector$9 = /*@__PURE__*/ new Vector3();\nconst _vector2$1 = /*@__PURE__*/ new Vector2();\n\nlet _id$2 = 0;\n\nclass BufferAttribute {\n\n\tconstructor( array, itemSize, normalized = false ) {\n\n\t\tif ( Array.isArray( array ) ) {\n\n\t\t\tthrow new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' );\n\n\t\t}\n\n\t\tthis.isBufferAttribute = true;\n\n\t\tObject.defineProperty( this, 'id', { value: _id$2 ++ } );\n\n\t\tthis.name = '';\n\n\t\tthis.array = array;\n\t\tthis.itemSize = itemSize;\n\t\tthis.count = array !== undefined ? array.length / itemSize : 0;\n\t\tthis.normalized = normalized;\n\n\t\tthis.usage = StaticDrawUsage;\n\t\tthis.updateRanges = [];\n\t\tthis.gpuType = FloatType;\n\n\t\tthis.version = 0;\n\n\t}\n\n\tonUploadCallback() {}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tsetUsage( value ) {\n\n\t\tthis.usage = value;\n\n\t\treturn this;\n\n\t}\n\n\taddUpdateRange( start, count ) {\n\n\t\tthis.updateRanges.push( { start, count } );\n\n\t}\n\n\tclearUpdateRanges() {\n\n\t\tthis.updateRanges.length = 0;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\t\tthis.array = new source.array.constructor( source.array );\n\t\tthis.itemSize = source.itemSize;\n\t\tthis.count = source.count;\n\t\tthis.normalized = source.normalized;\n\n\t\tthis.usage = source.usage;\n\t\tthis.gpuType = source.gpuType;\n\n\t\treturn this;\n\n\t}\n\n\tcopyAt( index1, attribute, index2 ) {\n\n\t\tindex1 *= this.itemSize;\n\t\tindex2 *= attribute.itemSize;\n\n\t\tfor ( let i = 0, l = this.itemSize; i < l; i ++ ) {\n\n\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcopyArray( array ) {\n\n\t\tthis.array.set( array );\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix3( m ) {\n\n\t\tif ( this.itemSize === 2 ) {\n\n\t\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t\t_vector2$1.fromBufferAttribute( this, i );\n\t\t\t\t_vector2$1.applyMatrix3( m );\n\n\t\t\t\tthis.setXY( i, _vector2$1.x, _vector2$1.y );\n\n\t\t\t}\n\n\t\t} else if ( this.itemSize === 3 ) {\n\n\t\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t\t_vector$9.fromBufferAttribute( this, i );\n\t\t\t\t_vector$9.applyMatrix3( m );\n\n\t\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.fromBufferAttribute( this, i );\n\n\t\t\t_vector$9.applyMatrix4( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyNormalMatrix( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.fromBufferAttribute( this, i );\n\n\t\t\t_vector$9.applyNormalMatrix( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttransformDirection( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$9.fromBufferAttribute( this, i );\n\n\t\t\t_vector$9.transformDirection( m );\n\n\t\t\tthis.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tset( value, offset = 0 ) {\n\n\t\t// Matching BufferAttribute constructor, do not normalize the array.\n\t\tthis.array.set( value, offset );\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index, component ) {\n\n\t\tlet value = this.array[ index * this.itemSize + component ];\n\n\t\tif ( this.normalized ) value = denormalize( value, this.array );\n\n\t\treturn value;\n\n\t}\n\n\tsetComponent( index, component, value ) {\n\n\t\tif ( this.normalized ) value = normalize( value, this.array );\n\n\t\tthis.array[ index * this.itemSize + component ] = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetX( index ) {\n\n\t\tlet x = this.array[ index * this.itemSize ];\n\n\t\tif ( this.normalized ) x = denormalize( x, this.array );\n\n\t\treturn x;\n\n\t}\n\n\tsetX( index, x ) {\n\n\t\tif ( this.normalized ) x = normalize( x, this.array );\n\n\t\tthis.array[ index * this.itemSize ] = x;\n\n\t\treturn this;\n\n\t}\n\n\tgetY( index ) {\n\n\t\tlet y = this.array[ index * this.itemSize + 1 ];\n\n\t\tif ( this.normalized ) y = denormalize( y, this.array );\n\n\t\treturn y;\n\n\t}\n\n\tsetY( index, y ) {\n\n\t\tif ( this.normalized ) y = normalize( y, this.array );\n\n\t\tthis.array[ index * this.itemSize + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tgetZ( index ) {\n\n\t\tlet z = this.array[ index * this.itemSize + 2 ];\n\n\t\tif ( this.normalized ) z = denormalize( z, this.array );\n\n\t\treturn z;\n\n\t}\n\n\tsetZ( index, z ) {\n\n\t\tif ( this.normalized ) z = normalize( z, this.array );\n\n\t\tthis.array[ index * this.itemSize + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tgetW( index ) {\n\n\t\tlet w = this.array[ index * this.itemSize + 3 ];\n\n\t\tif ( this.normalized ) w = denormalize( w, this.array );\n\n\t\treturn w;\n\n\t}\n\n\tsetW( index, w ) {\n\n\t\tif ( this.normalized ) w = normalize( w, this.array );\n\n\t\tthis.array[ index * this.itemSize + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetXY( index, x, y ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\n\t\t}\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZ( index, x, y, z ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\t\t\tz = normalize( z, this.array );\n\n\t\t}\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\t\tthis.array[ index + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZW( index, x, y, z, w ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\t\t\tz = normalize( z, this.array );\n\t\t\tw = normalize( w, this.array );\n\n\t\t}\n\n\t\tthis.array[ index + 0 ] = x;\n\t\tthis.array[ index + 1 ] = y;\n\t\tthis.array[ index + 2 ] = z;\n\t\tthis.array[ index + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tonUpload( callback ) {\n\n\t\tthis.onUploadCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.array, this.itemSize ).copy( this );\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\titemSize: this.itemSize,\n\t\t\ttype: this.array.constructor.name,\n\t\t\tarray: Array.from( this.array ),\n\t\t\tnormalized: this.normalized\n\t\t};\n\n\t\tif ( this.name !== '' ) data.name = this.name;\n\t\tif ( this.usage !== StaticDrawUsage ) data.usage = this.usage;\n\n\t\treturn data;\n\n\t}\n\n}\n\n//\n\nclass Int8BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int8Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint8BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint8Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint8ClampedBufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint8ClampedArray( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Int16BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int16Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint16BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint16Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Int32BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Int32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Uint32BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nclass Float16BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Uint16Array( array ), itemSize, normalized );\n\n\t\tthis.isFloat16BufferAttribute = true;\n\n\t}\n\n\tgetX( index ) {\n\n\t\tlet x = fromHalfFloat( this.array[ index * this.itemSize ] );\n\n\t\tif ( this.normalized ) x = denormalize( x, this.array );\n\n\t\treturn x;\n\n\t}\n\n\tsetX( index, x ) {\n\n\t\tif ( this.normalized ) x = normalize( x, this.array );\n\n\t\tthis.array[ index * this.itemSize ] = toHalfFloat( x );\n\n\t\treturn this;\n\n\t}\n\n\tgetY( index ) {\n\n\t\tlet y = fromHalfFloat( this.array[ index * this.itemSize + 1 ] );\n\n\t\tif ( this.normalized ) y = denormalize( y, this.array );\n\n\t\treturn y;\n\n\t}\n\n\tsetY( index, y ) {\n\n\t\tif ( this.normalized ) y = normalize( y, this.array );\n\n\t\tthis.array[ index * this.itemSize + 1 ] = toHalfFloat( y );\n\n\t\treturn this;\n\n\t}\n\n\tgetZ( index ) {\n\n\t\tlet z = fromHalfFloat( this.array[ index * this.itemSize + 2 ] );\n\n\t\tif ( this.normalized ) z = denormalize( z, this.array );\n\n\t\treturn z;\n\n\t}\n\n\tsetZ( index, z ) {\n\n\t\tif ( this.normalized ) z = normalize( z, this.array );\n\n\t\tthis.array[ index * this.itemSize + 2 ] = toHalfFloat( z );\n\n\t\treturn this;\n\n\t}\n\n\tgetW( index ) {\n\n\t\tlet w = fromHalfFloat( this.array[ index * this.itemSize + 3 ] );\n\n\t\tif ( this.normalized ) w = denormalize( w, this.array );\n\n\t\treturn w;\n\n\t}\n\n\tsetW( index, w ) {\n\n\t\tif ( this.normalized ) w = normalize( w, this.array );\n\n\t\tthis.array[ index * this.itemSize + 3 ] = toHalfFloat( w );\n\n\t\treturn this;\n\n\t}\n\n\tsetXY( index, x, y ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\n\t\t}\n\n\t\tthis.array[ index + 0 ] = toHalfFloat( x );\n\t\tthis.array[ index + 1 ] = toHalfFloat( y );\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZ( index, x, y, z ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\t\t\tz = normalize( z, this.array );\n\n\t\t}\n\n\t\tthis.array[ index + 0 ] = toHalfFloat( x );\n\t\tthis.array[ index + 1 ] = toHalfFloat( y );\n\t\tthis.array[ index + 2 ] = toHalfFloat( z );\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZW( index, x, y, z, w ) {\n\n\t\tindex *= this.itemSize;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\t\t\tz = normalize( z, this.array );\n\t\t\tw = normalize( w, this.array );\n\n\t\t}\n\n\t\tthis.array[ index + 0 ] = toHalfFloat( x );\n\t\tthis.array[ index + 1 ] = toHalfFloat( y );\n\t\tthis.array[ index + 2 ] = toHalfFloat( z );\n\t\tthis.array[ index + 3 ] = toHalfFloat( w );\n\n\t\treturn this;\n\n\t}\n\n}\n\n\nclass Float32BufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized ) {\n\n\t\tsuper( new Float32Array( array ), itemSize, normalized );\n\n\t}\n\n}\n\nlet _id$1 = 0;\n\nconst _m1 = /*@__PURE__*/ new Matrix4();\nconst _obj = /*@__PURE__*/ new Object3D();\nconst _offset = /*@__PURE__*/ new Vector3();\nconst _box$2 = /*@__PURE__*/ new Box3();\nconst _boxMorphTargets = /*@__PURE__*/ new Box3();\nconst _vector$8 = /*@__PURE__*/ new Vector3();\n\nclass BufferGeometry extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isBufferGeometry = true;\n\n\t\tObject.defineProperty( this, 'id', { value: _id$1 ++ } );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.name = '';\n\t\tthis.type = 'BufferGeometry';\n\n\t\tthis.index = null;\n\t\tthis.indirect = null;\n\t\tthis.attributes = {};\n\n\t\tthis.morphAttributes = {};\n\t\tthis.morphTargetsRelative = false;\n\n\t\tthis.groups = [];\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\tthis.drawRange = { start: 0, count: Infinity };\n\n\t\tthis.userData = {};\n\n\t}\n\n\tgetIndex() {\n\n\t\treturn this.index;\n\n\t}\n\n\tsetIndex( index ) {\n\n\t\tif ( Array.isArray( index ) ) {\n\n\t\t\tthis.index = new ( arrayNeedsUint32( index ) ? Uint32BufferAttribute : Uint16BufferAttribute )( index, 1 );\n\n\t\t} else {\n\n\t\t\tthis.index = index;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetIndirect( indirect ) {\n\n\t\tthis.indirect = indirect;\n\n\t\treturn this;\n\n\t}\n\n\tgetIndirect() {\n\n\t\treturn this.indirect;\n\n\t}\n\n\tgetAttribute( name ) {\n\n\t\treturn this.attributes[ name ];\n\n\t}\n\n\tsetAttribute( name, attribute ) {\n\n\t\tthis.attributes[ name ] = attribute;\n\n\t\treturn this;\n\n\t}\n\n\tdeleteAttribute( name ) {\n\n\t\tdelete this.attributes[ name ];\n\n\t\treturn this;\n\n\t}\n\n\thasAttribute( name ) {\n\n\t\treturn this.attributes[ name ] !== undefined;\n\n\t}\n\n\taddGroup( start, count, materialIndex = 0 ) {\n\n\t\tthis.groups.push( {\n\n\t\t\tstart: start,\n\t\t\tcount: count,\n\t\t\tmaterialIndex: materialIndex\n\n\t\t} );\n\n\t}\n\n\tclearGroups() {\n\n\t\tthis.groups = [];\n\n\t}\n\n\tsetDrawRange( start, count ) {\n\n\t\tthis.drawRange.start = start;\n\t\tthis.drawRange.count = count;\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tconst position = this.attributes.position;\n\n\t\tif ( position !== undefined ) {\n\n\t\t\tposition.applyMatrix4( matrix );\n\n\t\t\tposition.needsUpdate = true;\n\n\t\t}\n\n\t\tconst normal = this.attributes.normal;\n\n\t\tif ( normal !== undefined ) {\n\n\t\t\tconst normalMatrix = new Matrix3().getNormalMatrix( matrix );\n\n\t\t\tnormal.applyNormalMatrix( normalMatrix );\n\n\t\t\tnormal.needsUpdate = true;\n\n\t\t}\n\n\t\tconst tangent = this.attributes.tangent;\n\n\t\tif ( tangent !== undefined ) {\n\n\t\t\ttangent.transformDirection( matrix );\n\n\t\t\ttangent.needsUpdate = true;\n\n\t\t}\n\n\t\tif ( this.boundingBox !== null ) {\n\n\t\t\tthis.computeBoundingBox();\n\n\t\t}\n\n\t\tif ( this.boundingSphere !== null ) {\n\n\t\t\tthis.computeBoundingSphere();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyQuaternion( q ) {\n\n\t\t_m1.makeRotationFromQuaternion( q );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateX( angle ) {\n\n\t\t// rotate geometry around world x-axis\n\n\t\t_m1.makeRotationX( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateY( angle ) {\n\n\t\t// rotate geometry around world y-axis\n\n\t\t_m1.makeRotationY( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\trotateZ( angle ) {\n\n\t\t// rotate geometry around world z-axis\n\n\t\t_m1.makeRotationZ( angle );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( x, y, z ) {\n\n\t\t// translate geometry\n\n\t\t_m1.makeTranslation( x, y, z );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\tscale( x, y, z ) {\n\n\t\t// scale geometry\n\n\t\t_m1.makeScale( x, y, z );\n\n\t\tthis.applyMatrix4( _m1 );\n\n\t\treturn this;\n\n\t}\n\n\tlookAt( vector ) {\n\n\t\t_obj.lookAt( vector );\n\n\t\t_obj.updateMatrix();\n\n\t\tthis.applyMatrix4( _obj.matrix );\n\n\t\treturn this;\n\n\t}\n\n\tcenter() {\n\n\t\tthis.computeBoundingBox();\n\n\t\tthis.boundingBox.getCenter( _offset ).negate();\n\n\t\tthis.translate( _offset.x, _offset.y, _offset.z );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tconst positionAttribute = this.getAttribute( 'position' );\n\n\t\tif ( positionAttribute === undefined ) {\n\n\t\t\tconst position = [];\n\n\t\t\tfor ( let i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\t\tconst point = points[ i ];\n\t\t\t\tposition.push( point.x, point.y, point.z || 0 );\n\n\t\t\t}\n\n\t\t\tthis.setAttribute( 'position', new Float32BufferAttribute( position, 3 ) );\n\n\t\t} else {\n\n\t\t\tconst l = Math.min( points.length, positionAttribute.count ); // make sure data do not exceed buffer size\n\n\t\t\tfor ( let i = 0; i < l; i ++ ) {\n\n\t\t\t\tconst point = points[ i ];\n\t\t\t\tpositionAttribute.setXYZ( i, point.x, point.y, point.z || 0 );\n\n\t\t\t}\n\n\t\t\tif ( points.length > positionAttribute.count ) {\n\n\t\t\t\tconsole.warn( 'THREE.BufferGeometry: Buffer size too small for points data. Use .dispose() and create a new geometry.' );\n\n\t\t\t}\n\n\t\t\tpositionAttribute.needsUpdate = true;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcomputeBoundingBox() {\n\n\t\tif ( this.boundingBox === null ) {\n\n\t\t\tthis.boundingBox = new Box3();\n\n\t\t}\n\n\t\tconst position = this.attributes.position;\n\t\tconst morphAttributesPosition = this.morphAttributes.position;\n\n\t\tif ( position && position.isGLBufferAttribute ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box.', this );\n\n\t\t\tthis.boundingBox.set(\n\t\t\t\tnew Vector3( - Infinity, - Infinity, - Infinity ),\n\t\t\t\tnew Vector3( + Infinity, + Infinity, + Infinity )\n\t\t\t);\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( position !== undefined ) {\n\n\t\t\tthis.boundingBox.setFromBufferAttribute( position );\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\t_box$2.setFromBufferAttribute( morphAttribute );\n\n\t\t\t\t\tif ( this.morphTargetsRelative ) {\n\n\t\t\t\t\t\t_vector$8.addVectors( this.boundingBox.min, _box$2.min );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _vector$8 );\n\n\t\t\t\t\t\t_vector$8.addVectors( this.boundingBox.max, _box$2.max );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _vector$8 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _box$2.min );\n\t\t\t\t\t\tthis.boundingBox.expandByPoint( _box$2.max );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tthis.boundingBox.makeEmpty();\n\n\t\t}\n\n\t\tif ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t}\n\n\t}\n\n\tcomputeBoundingSphere() {\n\n\t\tif ( this.boundingSphere === null ) {\n\n\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t}\n\n\t\tconst position = this.attributes.position;\n\t\tconst morphAttributesPosition = this.morphAttributes.position;\n\n\t\tif ( position && position.isGLBufferAttribute ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere.', this );\n\n\t\t\tthis.boundingSphere.set( new Vector3(), Infinity );\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( position ) {\n\n\t\t\t// first, find the center of the bounding sphere\n\n\t\t\tconst center = this.boundingSphere.center;\n\n\t\t\t_box$2.setFromBufferAttribute( position );\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\t_boxMorphTargets.setFromBufferAttribute( morphAttribute );\n\n\t\t\t\t\tif ( this.morphTargetsRelative ) {\n\n\t\t\t\t\t\t_vector$8.addVectors( _box$2.min, _boxMorphTargets.min );\n\t\t\t\t\t\t_box$2.expandByPoint( _vector$8 );\n\n\t\t\t\t\t\t_vector$8.addVectors( _box$2.max, _boxMorphTargets.max );\n\t\t\t\t\t\t_box$2.expandByPoint( _vector$8 );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_box$2.expandByPoint( _boxMorphTargets.min );\n\t\t\t\t\t\t_box$2.expandByPoint( _boxMorphTargets.max );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_box$2.getCenter( center );\n\n\t\t\t// second, try to find a boundingSphere with a radius smaller than the\n\t\t\t// boundingSphere of the boundingBox: sqrt(3) smaller in the best case\n\n\t\t\tlet maxRadiusSq = 0;\n\n\t\t\tfor ( let i = 0, il = position.count; i < il; i ++ ) {\n\n\t\t\t\t_vector$8.fromBufferAttribute( position, i );\n\n\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$8 ) );\n\n\t\t\t}\n\n\t\t\t// process morph attributes if present\n\n\t\t\tif ( morphAttributesPosition ) {\n\n\t\t\t\tfor ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst morphAttribute = morphAttributesPosition[ i ];\n\t\t\t\t\tconst morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t\t\t\tfor ( let j = 0, jl = morphAttribute.count; j < jl; j ++ ) {\n\n\t\t\t\t\t\t_vector$8.fromBufferAttribute( morphAttribute, j );\n\n\t\t\t\t\t\tif ( morphTargetsRelative ) {\n\n\t\t\t\t\t\t\t_offset.fromBufferAttribute( position, j );\n\t\t\t\t\t\t\t_vector$8.add( _offset );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$8 ) );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.boundingSphere.radius = Math.sqrt( maxRadiusSq );\n\n\t\t\tif ( isNaN( this.boundingSphere.radius ) ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The \"position\" attribute is likely to have NaN values.', this );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcomputeTangents() {\n\n\t\tconst index = this.index;\n\t\tconst attributes = this.attributes;\n\n\t\t// based on http://www.terathon.com/code/tangent.html\n\t\t// (per vertex tangents)\n\n\t\tif ( index === null ||\n\t\t\t attributes.position === undefined ||\n\t\t\t attributes.normal === undefined ||\n\t\t\t attributes.uv === undefined ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst positionAttribute = attributes.position;\n\t\tconst normalAttribute = attributes.normal;\n\t\tconst uvAttribute = attributes.uv;\n\n\t\tif ( this.hasAttribute( 'tangent' ) === false ) {\n\n\t\t\tthis.setAttribute( 'tangent', new BufferAttribute( new Float32Array( 4 * positionAttribute.count ), 4 ) );\n\n\t\t}\n\n\t\tconst tangentAttribute = this.getAttribute( 'tangent' );\n\n\t\tconst tan1 = [], tan2 = [];\n\n\t\tfor ( let i = 0; i < positionAttribute.count; i ++ ) {\n\n\t\t\ttan1[ i ] = new Vector3();\n\t\t\ttan2[ i ] = new Vector3();\n\n\t\t}\n\n\t\tconst vA = new Vector3(),\n\t\t\tvB = new Vector3(),\n\t\t\tvC = new Vector3(),\n\n\t\t\tuvA = new Vector2(),\n\t\t\tuvB = new Vector2(),\n\t\t\tuvC = new Vector2(),\n\n\t\t\tsdir = new Vector3(),\n\t\t\ttdir = new Vector3();\n\n\t\tfunction handleTriangle( a, b, c ) {\n\n\t\t\tvA.fromBufferAttribute( positionAttribute, a );\n\t\t\tvB.fromBufferAttribute( positionAttribute, b );\n\t\t\tvC.fromBufferAttribute( positionAttribute, c );\n\n\t\t\tuvA.fromBufferAttribute( uvAttribute, a );\n\t\t\tuvB.fromBufferAttribute( uvAttribute, b );\n\t\t\tuvC.fromBufferAttribute( uvAttribute, c );\n\n\t\t\tvB.sub( vA );\n\t\t\tvC.sub( vA );\n\n\t\t\tuvB.sub( uvA );\n\t\t\tuvC.sub( uvA );\n\n\t\t\tconst r = 1.0 / ( uvB.x * uvC.y - uvC.x * uvB.y );\n\n\t\t\t// silently ignore degenerate uv triangles having coincident or colinear vertices\n\n\t\t\tif ( ! isFinite( r ) ) return;\n\n\t\t\tsdir.copy( vB ).multiplyScalar( uvC.y ).addScaledVector( vC, - uvB.y ).multiplyScalar( r );\n\t\t\ttdir.copy( vC ).multiplyScalar( uvB.x ).addScaledVector( vB, - uvC.x ).multiplyScalar( r );\n\n\t\t\ttan1[ a ].add( sdir );\n\t\t\ttan1[ b ].add( sdir );\n\t\t\ttan1[ c ].add( sdir );\n\n\t\t\ttan2[ a ].add( tdir );\n\t\t\ttan2[ b ].add( tdir );\n\t\t\ttan2[ c ].add( tdir );\n\n\t\t}\n\n\t\tlet groups = this.groups;\n\n\t\tif ( groups.length === 0 ) {\n\n\t\t\tgroups = [ {\n\t\t\t\tstart: 0,\n\t\t\t\tcount: index.count\n\t\t\t} ];\n\n\t\t}\n\n\t\tfor ( let i = 0, il = groups.length; i < il; ++ i ) {\n\n\t\t\tconst group = groups[ i ];\n\n\t\t\tconst start = group.start;\n\t\t\tconst count = group.count;\n\n\t\t\tfor ( let j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\thandleTriangle(\n\t\t\t\t\tindex.getX( j + 0 ),\n\t\t\t\t\tindex.getX( j + 1 ),\n\t\t\t\t\tindex.getX( j + 2 )\n\t\t\t\t);\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst tmp = new Vector3(), tmp2 = new Vector3();\n\t\tconst n = new Vector3(), n2 = new Vector3();\n\n\t\tfunction handleVertex( v ) {\n\n\t\t\tn.fromBufferAttribute( normalAttribute, v );\n\t\t\tn2.copy( n );\n\n\t\t\tconst t = tan1[ v ];\n\n\t\t\t// Gram-Schmidt orthogonalize\n\n\t\t\ttmp.copy( t );\n\t\t\ttmp.sub( n.multiplyScalar( n.dot( t ) ) ).normalize();\n\n\t\t\t// Calculate handedness\n\n\t\t\ttmp2.crossVectors( n2, t );\n\t\t\tconst test = tmp2.dot( tan2[ v ] );\n\t\t\tconst w = ( test < 0.0 ) ? - 1.0 : 1.0;\n\n\t\t\ttangentAttribute.setXYZW( v, tmp.x, tmp.y, tmp.z, w );\n\n\t\t}\n\n\t\tfor ( let i = 0, il = groups.length; i < il; ++ i ) {\n\n\t\t\tconst group = groups[ i ];\n\n\t\t\tconst start = group.start;\n\t\t\tconst count = group.count;\n\n\t\t\tfor ( let j = start, jl = start + count; j < jl; j += 3 ) {\n\n\t\t\t\thandleVertex( index.getX( j + 0 ) );\n\t\t\t\thandleVertex( index.getX( j + 1 ) );\n\t\t\t\thandleVertex( index.getX( j + 2 ) );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcomputeVertexNormals() {\n\n\t\tconst index = this.index;\n\t\tconst positionAttribute = this.getAttribute( 'position' );\n\n\t\tif ( positionAttribute !== undefined ) {\n\n\t\t\tlet normalAttribute = this.getAttribute( 'normal' );\n\n\t\t\tif ( normalAttribute === undefined ) {\n\n\t\t\t\tnormalAttribute = new BufferAttribute( new Float32Array( positionAttribute.count * 3 ), 3 );\n\t\t\t\tthis.setAttribute( 'normal', normalAttribute );\n\n\t\t\t} else {\n\n\t\t\t\t// reset existing normals to zero\n\n\t\t\t\tfor ( let i = 0, il = normalAttribute.count; i < il; i ++ ) {\n\n\t\t\t\t\tnormalAttribute.setXYZ( i, 0, 0, 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst pA = new Vector3(), pB = new Vector3(), pC = new Vector3();\n\t\t\tconst nA = new Vector3(), nB = new Vector3(), nC = new Vector3();\n\t\t\tconst cb = new Vector3(), ab = new Vector3();\n\n\t\t\t// indexed elements\n\n\t\t\tif ( index ) {\n\n\t\t\t\tfor ( let i = 0, il = index.count; i < il; i += 3 ) {\n\n\t\t\t\t\tconst vA = index.getX( i + 0 );\n\t\t\t\t\tconst vB = index.getX( i + 1 );\n\t\t\t\t\tconst vC = index.getX( i + 2 );\n\n\t\t\t\t\tpA.fromBufferAttribute( positionAttribute, vA );\n\t\t\t\t\tpB.fromBufferAttribute( positionAttribute, vB );\n\t\t\t\t\tpC.fromBufferAttribute( positionAttribute, vC );\n\n\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tnA.fromBufferAttribute( normalAttribute, vA );\n\t\t\t\t\tnB.fromBufferAttribute( normalAttribute, vB );\n\t\t\t\t\tnC.fromBufferAttribute( normalAttribute, vC );\n\n\t\t\t\t\tnA.add( cb );\n\t\t\t\t\tnB.add( cb );\n\t\t\t\t\tnC.add( cb );\n\n\t\t\t\t\tnormalAttribute.setXYZ( vA, nA.x, nA.y, nA.z );\n\t\t\t\t\tnormalAttribute.setXYZ( vB, nB.x, nB.y, nB.z );\n\t\t\t\t\tnormalAttribute.setXYZ( vC, nC.x, nC.y, nC.z );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed elements (unconnected triangle soup)\n\n\t\t\t\tfor ( let i = 0, il = positionAttribute.count; i < il; i += 3 ) {\n\n\t\t\t\t\tpA.fromBufferAttribute( positionAttribute, i + 0 );\n\t\t\t\t\tpB.fromBufferAttribute( positionAttribute, i + 1 );\n\t\t\t\t\tpC.fromBufferAttribute( positionAttribute, i + 2 );\n\n\t\t\t\t\tcb.subVectors( pC, pB );\n\t\t\t\t\tab.subVectors( pA, pB );\n\t\t\t\t\tcb.cross( ab );\n\n\t\t\t\t\tnormalAttribute.setXYZ( i + 0, cb.x, cb.y, cb.z );\n\t\t\t\t\tnormalAttribute.setXYZ( i + 1, cb.x, cb.y, cb.z );\n\t\t\t\t\tnormalAttribute.setXYZ( i + 2, cb.x, cb.y, cb.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.normalizeNormals();\n\n\t\t\tnormalAttribute.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n\tnormalizeNormals() {\n\n\t\tconst normals = this.attributes.normal;\n\n\t\tfor ( let i = 0, il = normals.count; i < il; i ++ ) {\n\n\t\t\t_vector$8.fromBufferAttribute( normals, i );\n\n\t\t\t_vector$8.normalize();\n\n\t\t\tnormals.setXYZ( i, _vector$8.x, _vector$8.y, _vector$8.z );\n\n\t\t}\n\n\t}\n\n\ttoNonIndexed() {\n\n\t\tfunction convertBufferAttribute( attribute, indices ) {\n\n\t\t\tconst array = attribute.array;\n\t\t\tconst itemSize = attribute.itemSize;\n\t\t\tconst normalized = attribute.normalized;\n\n\t\t\tconst array2 = new array.constructor( indices.length * itemSize );\n\n\t\t\tlet index = 0, index2 = 0;\n\n\t\t\tfor ( let i = 0, l = indices.length; i < l; i ++ ) {\n\n\t\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\tindex = indices[ i ] * attribute.data.stride + attribute.offset;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tindex = indices[ i ] * itemSize;\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let j = 0; j < itemSize; j ++ ) {\n\n\t\t\t\t\tarray2[ index2 ++ ] = array[ index ++ ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn new BufferAttribute( array2, itemSize, normalized );\n\n\t\t}\n\n\t\t//\n\n\t\tif ( this.index === null ) {\n\n\t\t\tconsole.warn( 'THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed.' );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tconst geometry2 = new BufferGeometry();\n\n\t\tconst indices = this.index.array;\n\t\tconst attributes = this.attributes;\n\n\t\t// attributes\n\n\t\tfor ( const name in attributes ) {\n\n\t\t\tconst attribute = attributes[ name ];\n\n\t\t\tconst newAttribute = convertBufferAttribute( attribute, indices );\n\n\t\t\tgeometry2.setAttribute( name, newAttribute );\n\n\t\t}\n\n\t\t// morph attributes\n\n\t\tconst morphAttributes = this.morphAttributes;\n\n\t\tfor ( const name in morphAttributes ) {\n\n\t\t\tconst morphArray = [];\n\t\t\tconst morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes\n\n\t\t\tfor ( let i = 0, il = morphAttribute.length; i < il; i ++ ) {\n\n\t\t\t\tconst attribute = morphAttribute[ i ];\n\n\t\t\t\tconst newAttribute = convertBufferAttribute( attribute, indices );\n\n\t\t\t\tmorphArray.push( newAttribute );\n\n\t\t\t}\n\n\t\t\tgeometry2.morphAttributes[ name ] = morphArray;\n\n\t\t}\n\n\t\tgeometry2.morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t// groups\n\n\t\tconst groups = this.groups;\n\n\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tconst group = groups[ i ];\n\t\t\tgeometry2.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\treturn geometry2;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.6,\n\t\t\t\ttype: 'BufferGeometry',\n\t\t\t\tgenerator: 'BufferGeometry.toJSON'\n\t\t\t}\n\t\t};\n\n\t\t// standard BufferGeometry serialization\n\n\t\tdata.uuid = this.uuid;\n\t\tdata.type = this.type;\n\t\tif ( this.name !== '' ) data.name = this.name;\n\t\tif ( Object.keys( this.userData ).length > 0 ) data.userData = this.userData;\n\n\t\tif ( this.parameters !== undefined ) {\n\n\t\t\tconst parameters = this.parameters;\n\n\t\t\tfor ( const key in parameters ) {\n\n\t\t\t\tif ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ];\n\n\t\t\t}\n\n\t\t\treturn data;\n\n\t\t}\n\n\t\t// for simplicity the code assumes attributes are not shared across geometries, see #15811\n\n\t\tdata.data = { attributes: {} };\n\n\t\tconst index = this.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tdata.data.index = {\n\t\t\t\ttype: index.array.constructor.name,\n\t\t\t\tarray: Array.prototype.slice.call( index.array )\n\t\t\t};\n\n\t\t}\n\n\t\tconst attributes = this.attributes;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tconst attribute = attributes[ key ];\n\n\t\t\tdata.data.attributes[ key ] = attribute.toJSON( data.data );\n\n\t\t}\n\n\t\tconst morphAttributes = {};\n\t\tlet hasMorphAttributes = false;\n\n\t\tfor ( const key in this.morphAttributes ) {\n\n\t\t\tconst attributeArray = this.morphAttributes[ key ];\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0, il = attributeArray.length; i < il; i ++ ) {\n\n\t\t\t\tconst attribute = attributeArray[ i ];\n\n\t\t\t\tarray.push( attribute.toJSON( data.data ) );\n\n\t\t\t}\n\n\t\t\tif ( array.length > 0 ) {\n\n\t\t\t\tmorphAttributes[ key ] = array;\n\n\t\t\t\thasMorphAttributes = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( hasMorphAttributes ) {\n\n\t\t\tdata.data.morphAttributes = morphAttributes;\n\t\t\tdata.data.morphTargetsRelative = this.morphTargetsRelative;\n\n\t\t}\n\n\t\tconst groups = this.groups;\n\n\t\tif ( groups.length > 0 ) {\n\n\t\t\tdata.data.groups = JSON.parse( JSON.stringify( groups ) );\n\n\t\t}\n\n\t\tconst boundingSphere = this.boundingSphere;\n\n\t\tif ( boundingSphere !== null ) {\n\n\t\t\tdata.data.boundingSphere = {\n\t\t\t\tcenter: boundingSphere.center.toArray(),\n\t\t\t\tradius: boundingSphere.radius\n\t\t\t};\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\t// reset\n\n\t\tthis.index = null;\n\t\tthis.attributes = {};\n\t\tthis.morphAttributes = {};\n\t\tthis.groups = [];\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\t// used for storing cloned, shared data\n\n\t\tconst data = {};\n\n\t\t// name\n\n\t\tthis.name = source.name;\n\n\t\t// index\n\n\t\tconst index = source.index;\n\n\t\tif ( index !== null ) {\n\n\t\t\tthis.setIndex( index.clone( data ) );\n\n\t\t}\n\n\t\t// attributes\n\n\t\tconst attributes = source.attributes;\n\n\t\tfor ( const name in attributes ) {\n\n\t\t\tconst attribute = attributes[ name ];\n\t\t\tthis.setAttribute( name, attribute.clone( data ) );\n\n\t\t}\n\n\t\t// morph attributes\n\n\t\tconst morphAttributes = source.morphAttributes;\n\n\t\tfor ( const name in morphAttributes ) {\n\n\t\t\tconst array = [];\n\t\t\tconst morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes\n\n\t\t\tfor ( let i = 0, l = morphAttribute.length; i < l; i ++ ) {\n\n\t\t\t\tarray.push( morphAttribute[ i ].clone( data ) );\n\n\t\t\t}\n\n\t\t\tthis.morphAttributes[ name ] = array;\n\n\t\t}\n\n\t\tthis.morphTargetsRelative = source.morphTargetsRelative;\n\n\t\t// groups\n\n\t\tconst groups = source.groups;\n\n\t\tfor ( let i = 0, l = groups.length; i < l; i ++ ) {\n\n\t\t\tconst group = groups[ i ];\n\t\t\tthis.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t}\n\n\t\t// bounding box\n\n\t\tconst boundingBox = source.boundingBox;\n\n\t\tif ( boundingBox !== null ) {\n\n\t\t\tthis.boundingBox = boundingBox.clone();\n\n\t\t}\n\n\t\t// bounding sphere\n\n\t\tconst boundingSphere = source.boundingSphere;\n\n\t\tif ( boundingSphere !== null ) {\n\n\t\t\tthis.boundingSphere = boundingSphere.clone();\n\n\t\t}\n\n\t\t// draw range\n\n\t\tthis.drawRange.start = source.drawRange.start;\n\t\tthis.drawRange.count = source.drawRange.count;\n\n\t\t// user data\n\n\t\tthis.userData = source.userData;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t}\n\n}\n\nconst _inverseMatrix$3 = /*@__PURE__*/ new Matrix4();\nconst _ray$3 = /*@__PURE__*/ new Ray();\nconst _sphere$6 = /*@__PURE__*/ new Sphere();\nconst _sphereHitAt = /*@__PURE__*/ new Vector3();\n\nconst _vA$1 = /*@__PURE__*/ new Vector3();\nconst _vB$1 = /*@__PURE__*/ new Vector3();\nconst _vC$1 = /*@__PURE__*/ new Vector3();\n\nconst _tempA = /*@__PURE__*/ new Vector3();\nconst _morphA = /*@__PURE__*/ new Vector3();\n\nconst _intersectionPoint = /*@__PURE__*/ new Vector3();\nconst _intersectionPointWorld = /*@__PURE__*/ new Vector3();\n\nclass Mesh extends Object3D {\n\n\tconstructor( geometry = new BufferGeometry(), material = new MeshBasicMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.isMesh = true;\n\n\t\tthis.type = 'Mesh';\n\n\t\tthis.geometry = geometry;\n\t\tthis.material = material;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tif ( source.morphTargetInfluences !== undefined ) {\n\n\t\t\tthis.morphTargetInfluences = source.morphTargetInfluences.slice();\n\n\t\t}\n\n\t\tif ( source.morphTargetDictionary !== undefined ) {\n\n\t\t\tthis.morphTargetDictionary = Object.assign( {}, source.morphTargetDictionary );\n\n\t\t}\n\n\t\tthis.material = Array.isArray( source.material ) ? source.material.slice() : source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tconst morphAttributes = geometry.morphAttributes;\n\t\tconst keys = Object.keys( morphAttributes );\n\n\t\tif ( keys.length > 0 ) {\n\n\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tgetVertexPosition( index, target ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst position = geometry.attributes.position;\n\t\tconst morphPosition = geometry.morphAttributes.position;\n\t\tconst morphTargetsRelative = geometry.morphTargetsRelative;\n\n\t\ttarget.fromBufferAttribute( position, index );\n\n\t\tconst morphInfluences = this.morphTargetInfluences;\n\n\t\tif ( morphPosition && morphInfluences ) {\n\n\t\t\t_morphA.set( 0, 0, 0 );\n\n\t\t\tfor ( let i = 0, il = morphPosition.length; i < il; i ++ ) {\n\n\t\t\t\tconst influence = morphInfluences[ i ];\n\t\t\t\tconst morphAttribute = morphPosition[ i ];\n\n\t\t\t\tif ( influence === 0 ) continue;\n\n\t\t\t\t_tempA.fromBufferAttribute( morphAttribute, index );\n\n\t\t\t\tif ( morphTargetsRelative ) {\n\n\t\t\t\t\t_morphA.addScaledVector( _tempA, influence );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_morphA.addScaledVector( _tempA.sub( target ), influence );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\ttarget.add( _morphA );\n\n\t\t}\n\n\t\treturn target;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst material = this.material;\n\t\tconst matrixWorld = this.matrixWorld;\n\n\t\tif ( material === undefined ) return;\n\n\t\t// test with bounding sphere in world space\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere$6.copy( geometry.boundingSphere );\n\t\t_sphere$6.applyMatrix4( matrixWorld );\n\n\t\t// check distance from ray origin to bounding sphere\n\n\t\t_ray$3.copy( raycaster.ray ).recast( raycaster.near );\n\n\t\tif ( _sphere$6.containsPoint( _ray$3.origin ) === false ) {\n\n\t\t\tif ( _ray$3.intersectSphere( _sphere$6, _sphereHitAt ) === null ) return;\n\n\t\t\tif ( _ray$3.origin.distanceToSquared( _sphereHitAt ) > ( raycaster.far - raycaster.near ) ** 2 ) return;\n\n\t\t}\n\n\t\t// convert ray to local space of mesh\n\n\t\t_inverseMatrix$3.copy( matrixWorld ).invert();\n\t\t_ray$3.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$3 );\n\n\t\t// test with bounding box in local space\n\n\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\tif ( _ray$3.intersectsBox( geometry.boundingBox ) === false ) return;\n\n\t\t}\n\n\t\t// test for intersections with geometry\n\n\t\tthis._computeIntersections( raycaster, intersects, _ray$3 );\n\n\t}\n\n\t_computeIntersections( raycaster, intersects, rayLocalSpace ) {\n\n\t\tlet intersection;\n\n\t\tconst geometry = this.geometry;\n\t\tconst material = this.material;\n\n\t\tconst index = geometry.index;\n\t\tconst position = geometry.attributes.position;\n\t\tconst uv = geometry.attributes.uv;\n\t\tconst uv1 = geometry.attributes.uv1;\n\t\tconst normal = geometry.attributes.normal;\n\t\tconst groups = geometry.groups;\n\t\tconst drawRange = geometry.drawRange;\n\n\t\tif ( index !== null ) {\n\n\t\t\t// indexed buffer geometry\n\n\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\tfor ( let i = 0, il = groups.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\tconst start = Math.max( group.start, drawRange.start );\n\t\t\t\t\tconst end = Math.min( index.count, Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ) );\n\n\t\t\t\t\tfor ( let j = start, jl = end; j < jl; j += 3 ) {\n\n\t\t\t\t\t\tconst a = index.getX( j );\n\t\t\t\t\t\tconst b = index.getX( j + 1 );\n\t\t\t\t\t\tconst c = index.getX( j + 2 );\n\n\t\t\t\t\t\tintersection = checkGeometryIntersection( this, groupMaterial, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( j / 3 ); // triangle number in indexed buffer semantics\n\t\t\t\t\t\t\tintersection.face.materialIndex = group.materialIndex;\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, il = end; i < il; i += 3 ) {\n\n\t\t\t\t\tconst a = index.getX( i );\n\t\t\t\t\tconst b = index.getX( i + 1 );\n\t\t\t\t\tconst c = index.getX( i + 2 );\n\n\t\t\t\t\tintersection = checkGeometryIntersection( this, material, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c );\n\n\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in indexed buffer semantics\n\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else if ( position !== undefined ) {\n\n\t\t\t// non-indexed buffer geometry\n\n\t\t\tif ( Array.isArray( material ) ) {\n\n\t\t\t\tfor ( let i = 0, il = groups.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst group = groups[ i ];\n\t\t\t\t\tconst groupMaterial = material[ group.materialIndex ];\n\n\t\t\t\t\tconst start = Math.max( group.start, drawRange.start );\n\t\t\t\t\tconst end = Math.min( position.count, Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ) );\n\n\t\t\t\t\tfor ( let j = start, jl = end; j < jl; j += 3 ) {\n\n\t\t\t\t\t\tconst a = j;\n\t\t\t\t\t\tconst b = j + 1;\n\t\t\t\t\t\tconst c = j + 2;\n\n\t\t\t\t\t\tintersection = checkGeometryIntersection( this, groupMaterial, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c );\n\n\t\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\t\tintersection.faceIndex = Math.floor( j / 3 ); // triangle number in non-indexed buffer semantics\n\t\t\t\t\t\t\tintersection.face.materialIndex = group.materialIndex;\n\t\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\t\tconst end = Math.min( position.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( let i = start, il = end; i < il; i += 3 ) {\n\n\t\t\t\t\tconst a = i;\n\t\t\t\t\tconst b = i + 1;\n\t\t\t\t\tconst c = i + 2;\n\n\t\t\t\t\tintersection = checkGeometryIntersection( this, material, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c );\n\n\t\t\t\t\tif ( intersection ) {\n\n\t\t\t\t\t\tintersection.faceIndex = Math.floor( i / 3 ); // triangle number in non-indexed buffer semantics\n\t\t\t\t\t\tintersects.push( intersection );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nfunction checkIntersection$1( object, material, raycaster, ray, pA, pB, pC, point ) {\n\n\tlet intersect;\n\n\tif ( material.side === BackSide ) {\n\n\t\tintersect = ray.intersectTriangle( pC, pB, pA, true, point );\n\n\t} else {\n\n\t\tintersect = ray.intersectTriangle( pA, pB, pC, ( material.side === FrontSide ), point );\n\n\t}\n\n\tif ( intersect === null ) return null;\n\n\t_intersectionPointWorld.copy( point );\n\t_intersectionPointWorld.applyMatrix4( object.matrixWorld );\n\n\tconst distance = raycaster.ray.origin.distanceTo( _intersectionPointWorld );\n\n\tif ( distance < raycaster.near || distance > raycaster.far ) return null;\n\n\treturn {\n\t\tdistance: distance,\n\t\tpoint: _intersectionPointWorld.clone(),\n\t\tobject: object\n\t};\n\n}\n\nfunction checkGeometryIntersection( object, material, raycaster, ray, uv, uv1, normal, a, b, c ) {\n\n\tobject.getVertexPosition( a, _vA$1 );\n\tobject.getVertexPosition( b, _vB$1 );\n\tobject.getVertexPosition( c, _vC$1 );\n\n\tconst intersection = checkIntersection$1( object, material, raycaster, ray, _vA$1, _vB$1, _vC$1, _intersectionPoint );\n\n\tif ( intersection ) {\n\n\t\tconst barycoord = new Vector3();\n\t\tTriangle.getBarycoord( _intersectionPoint, _vA$1, _vB$1, _vC$1, barycoord );\n\n\t\tif ( uv ) {\n\n\t\t\tintersection.uv = Triangle.getInterpolatedAttribute( uv, a, b, c, barycoord, new Vector2() );\n\n\t\t}\n\n\t\tif ( uv1 ) {\n\n\t\t\tintersection.uv1 = Triangle.getInterpolatedAttribute( uv1, a, b, c, barycoord, new Vector2() );\n\n\t\t}\n\n\t\tif ( normal ) {\n\n\t\t\tintersection.normal = Triangle.getInterpolatedAttribute( normal, a, b, c, barycoord, new Vector3() );\n\n\t\t\tif ( intersection.normal.dot( ray.direction ) > 0 ) {\n\n\t\t\t\tintersection.normal.multiplyScalar( - 1 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst face = {\n\t\t\ta: a,\n\t\t\tb: b,\n\t\t\tc: c,\n\t\t\tnormal: new Vector3(),\n\t\t\tmaterialIndex: 0\n\t\t};\n\n\t\tTriangle.getNormal( _vA$1, _vB$1, _vC$1, face.normal );\n\n\t\tintersection.face = face;\n\t\tintersection.barycoord = barycoord;\n\n\t}\n\n\treturn intersection;\n\n}\n\nclass BoxGeometry extends BufferGeometry {\n\n\tconstructor( width = 1, height = 1, depth = 1, widthSegments = 1, heightSegments = 1, depthSegments = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'BoxGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\tdepth: depth,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tdepthSegments: depthSegments\n\t\t};\n\n\t\tconst scope = this;\n\n\t\t// segments\n\n\t\twidthSegments = Math.floor( widthSegments );\n\t\theightSegments = Math.floor( heightSegments );\n\t\tdepthSegments = Math.floor( depthSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet numberOfVertices = 0;\n\t\tlet groupStart = 0;\n\n\t\t// build each side of the box geometry\n\n\t\tbuildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px\n\t\tbuildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx\n\t\tbuildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py\n\t\tbuildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny\n\t\tbuildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz\n\t\tbuildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\tfunction buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) {\n\n\t\t\tconst segmentWidth = width / gridX;\n\t\t\tconst segmentHeight = height / gridY;\n\n\t\t\tconst widthHalf = width / 2;\n\t\t\tconst heightHalf = height / 2;\n\t\t\tconst depthHalf = depth / 2;\n\n\t\t\tconst gridX1 = gridX + 1;\n\t\t\tconst gridY1 = gridY + 1;\n\n\t\t\tlet vertexCounter = 0;\n\t\t\tlet groupCount = 0;\n\n\t\t\tconst vector = new Vector3();\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( let iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\t\tconst y = iy * segmentHeight - heightHalf;\n\n\t\t\t\tfor ( let ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\t\tconst x = ix * segmentWidth - widthHalf;\n\n\t\t\t\t\t// set values to correct vector component\n\n\t\t\t\t\tvector[ u ] = x * udir;\n\t\t\t\t\tvector[ v ] = y * vdir;\n\t\t\t\t\tvector[ w ] = depthHalf;\n\n\t\t\t\t\t// now apply vector to vertex buffer\n\n\t\t\t\t\tvertices.push( vector.x, vector.y, vector.z );\n\n\t\t\t\t\t// set values to correct vector component\n\n\t\t\t\t\tvector[ u ] = 0;\n\t\t\t\t\tvector[ v ] = 0;\n\t\t\t\t\tvector[ w ] = depth > 0 ? 1 : - 1;\n\n\t\t\t\t\t// now apply vector to normal buffer\n\n\t\t\t\t\tnormals.push( vector.x, vector.y, vector.z );\n\n\t\t\t\t\t// uvs\n\n\t\t\t\t\tuvs.push( ix / gridX );\n\t\t\t\t\tuvs.push( 1 - ( iy / gridY ) );\n\n\t\t\t\t\t// counters\n\n\t\t\t\t\tvertexCounter += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// indices\n\n\t\t\t// 1. you need three indices to draw a single face\n\t\t\t// 2. a single segment consists of two faces\n\t\t\t// 3. so we need to generate six (2*3) indices per segment\n\n\t\t\tfor ( let iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\t\tfor ( let ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\t\tconst a = numberOfVertices + ix + gridX1 * iy;\n\t\t\t\t\tconst b = numberOfVertices + ix + gridX1 * ( iy + 1 );\n\t\t\t\t\tconst c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\t\tconst d = numberOfVertices + ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t\t// increase counter\n\n\t\t\t\t\tgroupCount += 6;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, materialIndex );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t\t// update total number of vertices\n\n\t\t\tnumberOfVertices += vertexCounter;\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new BoxGeometry( data.width, data.height, data.depth, data.widthSegments, data.heightSegments, data.depthSegments );\n\n\t}\n\n}\n\n/**\n * Uniform Utilities\n */\n\nfunction cloneUniforms( src ) {\n\n\tconst dst = {};\n\n\tfor ( const u in src ) {\n\n\t\tdst[ u ] = {};\n\n\t\tfor ( const p in src[ u ] ) {\n\n\t\t\tconst property = src[ u ][ p ];\n\n\t\t\tif ( property && ( property.isColor ||\n\t\t\t\tproperty.isMatrix3 || property.isMatrix4 ||\n\t\t\t\tproperty.isVector2 || property.isVector3 || property.isVector4 ||\n\t\t\t\tproperty.isTexture || property.isQuaternion ) ) {\n\n\t\t\t\tif ( property.isRenderTargetTexture ) {\n\n\t\t\t\t\tconsole.warn( 'UniformsUtils: Textures of render targets cannot be cloned via cloneUniforms() or mergeUniforms().' );\n\t\t\t\t\tdst[ u ][ p ] = null;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tdst[ u ][ p ] = property.clone();\n\n\t\t\t\t}\n\n\t\t\t} else if ( Array.isArray( property ) ) {\n\n\t\t\t\tdst[ u ][ p ] = property.slice();\n\n\t\t\t} else {\n\n\t\t\t\tdst[ u ][ p ] = property;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn dst;\n\n}\n\nfunction mergeUniforms( uniforms ) {\n\n\tconst merged = {};\n\n\tfor ( let u = 0; u < uniforms.length; u ++ ) {\n\n\t\tconst tmp = cloneUniforms( uniforms[ u ] );\n\n\t\tfor ( const p in tmp ) {\n\n\t\t\tmerged[ p ] = tmp[ p ];\n\n\t\t}\n\n\t}\n\n\treturn merged;\n\n}\n\nfunction cloneUniformsGroups( src ) {\n\n\tconst dst = [];\n\n\tfor ( let u = 0; u < src.length; u ++ ) {\n\n\t\tdst.push( src[ u ].clone() );\n\n\t}\n\n\treturn dst;\n\n}\n\nfunction getUnlitUniformColorSpace( renderer ) {\n\n\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\tif ( currentRenderTarget === null ) {\n\n\t\t// https://github.com/mrdoob/three.js/pull/23937#issuecomment-1111067398\n\t\treturn renderer.outputColorSpace;\n\n\t}\n\n\t// https://github.com/mrdoob/three.js/issues/27868\n\tif ( currentRenderTarget.isXRRenderTarget === true ) {\n\n\t\treturn currentRenderTarget.texture.colorSpace;\n\n\t}\n\n\treturn ColorManagement.workingColorSpace;\n\n}\n\n// Legacy\n\nconst UniformsUtils = { clone: cloneUniforms, merge: mergeUniforms };\n\nvar default_vertex = \"void main() {\\n\\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\\n}\";\n\nvar default_fragment = \"void main() {\\n\\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\\n}\";\n\nclass ShaderMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isShaderMaterial = true;\n\n\t\tthis.type = 'ShaderMaterial';\n\n\t\tthis.defines = {};\n\t\tthis.uniforms = {};\n\t\tthis.uniformsGroups = [];\n\n\t\tthis.vertexShader = default_vertex;\n\t\tthis.fragmentShader = default_fragment;\n\n\t\tthis.linewidth = 1;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.fog = false; // set to use scene fog\n\t\tthis.lights = false; // set to use scene lights\n\t\tthis.clipping = false; // set to use user-defined clipping planes\n\n\t\tthis.forceSinglePass = true;\n\n\t\tthis.extensions = {\n\t\t\tclipCullDistance: false, // set to use vertex shader clipping\n\t\t\tmultiDraw: false // set to use vertex shader multi_draw / enable gl_DrawID\n\t\t};\n\n\t\t// When rendered geometry doesn't include these attributes but the material does,\n\t\t// use these default values in WebGL. This avoids errors when buffer data is missing.\n\t\tthis.defaultAttributeValues = {\n\t\t\t'color': [ 1, 1, 1 ],\n\t\t\t'uv': [ 0, 0 ],\n\t\t\t'uv1': [ 0, 0 ]\n\t\t};\n\n\t\tthis.index0AttributeName = undefined;\n\t\tthis.uniformsNeedUpdate = false;\n\n\t\tthis.glslVersion = null;\n\n\t\tif ( parameters !== undefined ) {\n\n\t\t\tthis.setValues( parameters );\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.fragmentShader = source.fragmentShader;\n\t\tthis.vertexShader = source.vertexShader;\n\n\t\tthis.uniforms = cloneUniforms( source.uniforms );\n\t\tthis.uniformsGroups = cloneUniformsGroups( source.uniformsGroups );\n\n\t\tthis.defines = Object.assign( {}, source.defines );\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.fog = source.fog;\n\t\tthis.lights = source.lights;\n\t\tthis.clipping = source.clipping;\n\n\t\tthis.extensions = Object.assign( {}, source.extensions );\n\n\t\tthis.glslVersion = source.glslVersion;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.glslVersion = this.glslVersion;\n\t\tdata.uniforms = {};\n\n\t\tfor ( const name in this.uniforms ) {\n\n\t\t\tconst uniform = this.uniforms[ name ];\n\t\t\tconst value = uniform.value;\n\n\t\t\tif ( value && value.isTexture ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 't',\n\t\t\t\t\tvalue: value.toJSON( meta ).uuid\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isColor ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'c',\n\t\t\t\t\tvalue: value.getHex()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector2 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v2',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector3 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v3',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isVector4 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'v4',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isMatrix3 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'm3',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else if ( value && value.isMatrix4 ) {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\ttype: 'm4',\n\t\t\t\t\tvalue: value.toArray()\n\t\t\t\t};\n\n\t\t\t} else {\n\n\t\t\t\tdata.uniforms[ name ] = {\n\t\t\t\t\tvalue: value\n\t\t\t\t};\n\n\t\t\t\t// note: the array variants v2v, v3v, v4v, m4v and tv are not supported so far\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( Object.keys( this.defines ).length > 0 ) data.defines = this.defines;\n\n\t\tdata.vertexShader = this.vertexShader;\n\t\tdata.fragmentShader = this.fragmentShader;\n\n\t\tdata.lights = this.lights;\n\t\tdata.clipping = this.clipping;\n\n\t\tconst extensions = {};\n\n\t\tfor ( const key in this.extensions ) {\n\n\t\t\tif ( this.extensions[ key ] === true ) extensions[ key ] = true;\n\n\t\t}\n\n\t\tif ( Object.keys( extensions ).length > 0 ) data.extensions = extensions;\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass Camera extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isCamera = true;\n\n\t\tthis.type = 'Camera';\n\n\t\tthis.matrixWorldInverse = new Matrix4();\n\n\t\tthis.projectionMatrix = new Matrix4();\n\t\tthis.projectionMatrixInverse = new Matrix4();\n\n\t\tthis.coordinateSystem = WebGLCoordinateSystem;\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.matrixWorldInverse.copy( source.matrixWorldInverse );\n\n\t\tthis.projectionMatrix.copy( source.projectionMatrix );\n\t\tthis.projectionMatrixInverse.copy( source.projectionMatrixInverse );\n\n\t\tthis.coordinateSystem = source.coordinateSystem;\n\n\t\treturn this;\n\n\t}\n\n\tgetWorldDirection( target ) {\n\n\t\treturn super.getWorldDirection( target ).negate();\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tthis.matrixWorldInverse.copy( this.matrixWorld ).invert();\n\n\t}\n\n\tupdateWorldMatrix( updateParents, updateChildren ) {\n\n\t\tsuper.updateWorldMatrix( updateParents, updateChildren );\n\n\t\tthis.matrixWorldInverse.copy( this.matrixWorld ).invert();\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _v3$1 = /*@__PURE__*/ new Vector3();\nconst _minTarget = /*@__PURE__*/ new Vector2();\nconst _maxTarget = /*@__PURE__*/ new Vector2();\n\n\nclass PerspectiveCamera extends Camera {\n\n\tconstructor( fov = 50, aspect = 1, near = 0.1, far = 2000 ) {\n\n\t\tsuper();\n\n\t\tthis.isPerspectiveCamera = true;\n\n\t\tthis.type = 'PerspectiveCamera';\n\n\t\tthis.fov = fov;\n\t\tthis.zoom = 1;\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\t\tthis.focus = 10;\n\n\t\tthis.aspect = aspect;\n\t\tthis.view = null;\n\n\t\tthis.filmGauge = 35;\t// width of the film (default in millimeters)\n\t\tthis.filmOffset = 0;\t// horizontal film offset (same unit as gauge)\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.fov = source.fov;\n\t\tthis.zoom = source.zoom;\n\n\t\tthis.near = source.near;\n\t\tthis.far = source.far;\n\t\tthis.focus = source.focus;\n\n\t\tthis.aspect = source.aspect;\n\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\tthis.filmGauge = source.filmGauge;\n\t\tthis.filmOffset = source.filmOffset;\n\n\t\treturn this;\n\n\t}\n\n\t/**\n\t * Sets the FOV by focal length in respect to the current .filmGauge.\n\t *\n\t * The default film gauge is 35, so that the focal length can be specified for\n\t * a 35mm (full frame) camera.\n\t *\n\t * @param {number} focalLength - Values for focal length and film gauge must have the same unit.\n\t */\n\tsetFocalLength( focalLength ) {\n\n\t\t/** see {@link http://www.bobatkins.com/photography/technical/field_of_view.html} */\n\t\tconst vExtentSlope = 0.5 * this.getFilmHeight() / focalLength;\n\n\t\tthis.fov = RAD2DEG * 2 * Math.atan( vExtentSlope );\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\t/**\n\t * Calculates the focal length from the current .fov and .filmGauge.\n\t *\n\t * @returns {number}\n\t */\n\tgetFocalLength() {\n\n\t\tconst vExtentSlope = Math.tan( DEG2RAD * 0.5 * this.fov );\n\n\t\treturn 0.5 * this.getFilmHeight() / vExtentSlope;\n\n\t}\n\n\tgetEffectiveFOV() {\n\n\t\treturn RAD2DEG * 2 * Math.atan(\n\t\t\tMath.tan( DEG2RAD * 0.5 * this.fov ) / this.zoom );\n\n\t}\n\n\tgetFilmWidth() {\n\n\t\t// film not completely covered in portrait format (aspect < 1)\n\t\treturn this.filmGauge * Math.min( this.aspect, 1 );\n\n\t}\n\n\tgetFilmHeight() {\n\n\t\t// film not completely covered in landscape format (aspect > 1)\n\t\treturn this.filmGauge / Math.max( this.aspect, 1 );\n\n\t}\n\n\t/**\n\t * Computes the 2D bounds of the camera's viewable rectangle at a given distance along the viewing direction.\n\t * Sets minTarget and maxTarget to the coordinates of the lower-left and upper-right corners of the view rectangle.\n\t *\n\t * @param {number} distance\n\t * @param {Vector2} minTarget\n\t * @param {Vector2} maxTarget\n\t */\n\tgetViewBounds( distance, minTarget, maxTarget ) {\n\n\t\t_v3$1.set( - 1, - 1, 0.5 ).applyMatrix4( this.projectionMatrixInverse );\n\n\t\tminTarget.set( _v3$1.x, _v3$1.y ).multiplyScalar( - distance / _v3$1.z );\n\n\t\t_v3$1.set( 1, 1, 0.5 ).applyMatrix4( this.projectionMatrixInverse );\n\n\t\tmaxTarget.set( _v3$1.x, _v3$1.y ).multiplyScalar( - distance / _v3$1.z );\n\n\t}\n\n\t/**\n\t * Computes the width and height of the camera's viewable rectangle at a given distance along the viewing direction.\n\t *\n\t * @param {number} distance\n\t * @param {Vector2} target - Vector2 target used to store result where x is width and y is height.\n\t * @returns {Vector2}\n\t */\n\tgetViewSize( distance, target ) {\n\n\t\tthis.getViewBounds( distance, _minTarget, _maxTarget );\n\n\t\treturn target.subVectors( _maxTarget, _minTarget );\n\n\t}\n\n\t/**\n\t * Sets an offset in a larger frustum. This is useful for multi-window or\n\t * multi-monitor/multi-machine setups.\n\t *\n\t * For example, if you have 3x2 monitors and each monitor is 1920x1080 and\n\t * the monitors are in grid like this\n\t *\n\t * +---+---+---+\n\t * | A | B | C |\n\t * +---+---+---+\n\t * | D | E | F |\n\t * +---+---+---+\n\t *\n\t * then for each monitor you would call it like this\n\t *\n\t * const w = 1920;\n\t * const h = 1080;\n\t * const fullWidth = w * 3;\n\t * const fullHeight = h * 2;\n\t *\n\t * --A--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 0, w, h );\n\t * --B--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 0, w, h );\n\t * --C--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 0, w, h );\n\t * --D--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 1, w, h );\n\t * --E--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 1, w, h );\n\t * --F--\n\t * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 1, w, h );\n\t *\n\t * Note there is no reason monitors have to be the same size or in a grid.\n\t *\n\t * @param {number} fullWidth\n\t * @param {number} fullHeight\n\t * @param {number} x\n\t * @param {number} y\n\t * @param {number} width\n\t * @param {number} height\n\t */\n\tsetViewOffset( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\tthis.aspect = fullWidth / fullHeight;\n\n\t\tif ( this.view === null ) {\n\n\t\t\tthis.view = {\n\t\t\t\tenabled: true,\n\t\t\t\tfullWidth: 1,\n\t\t\t\tfullHeight: 1,\n\t\t\t\toffsetX: 0,\n\t\t\t\toffsetY: 0,\n\t\t\t\twidth: 1,\n\t\t\t\theight: 1\n\t\t\t};\n\n\t\t}\n\n\t\tthis.view.enabled = true;\n\t\tthis.view.fullWidth = fullWidth;\n\t\tthis.view.fullHeight = fullHeight;\n\t\tthis.view.offsetX = x;\n\t\tthis.view.offsetY = y;\n\t\tthis.view.width = width;\n\t\tthis.view.height = height;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tclearViewOffset() {\n\n\t\tif ( this.view !== null ) {\n\n\t\t\tthis.view.enabled = false;\n\n\t\t}\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tupdateProjectionMatrix() {\n\n\t\tconst near = this.near;\n\t\tlet top = near * Math.tan( DEG2RAD * 0.5 * this.fov ) / this.zoom;\n\t\tlet height = 2 * top;\n\t\tlet width = this.aspect * height;\n\t\tlet left = - 0.5 * width;\n\t\tconst view = this.view;\n\n\t\tif ( this.view !== null && this.view.enabled ) {\n\n\t\t\tconst fullWidth = view.fullWidth,\n\t\t\t\tfullHeight = view.fullHeight;\n\n\t\t\tleft += view.offsetX * width / fullWidth;\n\t\t\ttop -= view.offsetY * height / fullHeight;\n\t\t\twidth *= view.width / fullWidth;\n\t\t\theight *= view.height / fullHeight;\n\n\t\t}\n\n\t\tconst skew = this.filmOffset;\n\t\tif ( skew !== 0 ) left += near * skew / this.getFilmWidth();\n\n\t\tthis.projectionMatrix.makePerspective( left, left + width, top, top - height, near, this.far, this.coordinateSystem );\n\n\t\tthis.projectionMatrixInverse.copy( this.projectionMatrix ).invert();\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.fov = this.fov;\n\t\tdata.object.zoom = this.zoom;\n\n\t\tdata.object.near = this.near;\n\t\tdata.object.far = this.far;\n\t\tdata.object.focus = this.focus;\n\n\t\tdata.object.aspect = this.aspect;\n\n\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\tdata.object.filmGauge = this.filmGauge;\n\t\tdata.object.filmOffset = this.filmOffset;\n\n\t\treturn data;\n\n\t}\n\n}\n\nconst fov = - 90; // negative fov is not an error\nconst aspect = 1;\n\nclass CubeCamera extends Object3D {\n\n\tconstructor( near, far, renderTarget ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CubeCamera';\n\n\t\tthis.renderTarget = renderTarget;\n\t\tthis.coordinateSystem = null;\n\t\tthis.activeMipmapLevel = 0;\n\n\t\tconst cameraPX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPX.layers = this.layers;\n\t\tthis.add( cameraPX );\n\n\t\tconst cameraNX = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNX.layers = this.layers;\n\t\tthis.add( cameraNX );\n\n\t\tconst cameraPY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPY.layers = this.layers;\n\t\tthis.add( cameraPY );\n\n\t\tconst cameraNY = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNY.layers = this.layers;\n\t\tthis.add( cameraNY );\n\n\t\tconst cameraPZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraPZ.layers = this.layers;\n\t\tthis.add( cameraPZ );\n\n\t\tconst cameraNZ = new PerspectiveCamera( fov, aspect, near, far );\n\t\tcameraNZ.layers = this.layers;\n\t\tthis.add( cameraNZ );\n\n\t}\n\n\tupdateCoordinateSystem() {\n\n\t\tconst coordinateSystem = this.coordinateSystem;\n\n\t\tconst cameras = this.children.concat();\n\n\t\tconst [ cameraPX, cameraNX, cameraPY, cameraNY, cameraPZ, cameraNZ ] = cameras;\n\n\t\tfor ( const camera of cameras ) this.remove( camera );\n\n\t\tif ( coordinateSystem === WebGLCoordinateSystem ) {\n\n\t\t\tcameraPX.up.set( 0, 1, 0 );\n\t\t\tcameraPX.lookAt( 1, 0, 0 );\n\n\t\t\tcameraNX.up.set( 0, 1, 0 );\n\t\t\tcameraNX.lookAt( - 1, 0, 0 );\n\n\t\t\tcameraPY.up.set( 0, 0, - 1 );\n\t\t\tcameraPY.lookAt( 0, 1, 0 );\n\n\t\t\tcameraNY.up.set( 0, 0, 1 );\n\t\t\tcameraNY.lookAt( 0, - 1, 0 );\n\n\t\t\tcameraPZ.up.set( 0, 1, 0 );\n\t\t\tcameraPZ.lookAt( 0, 0, 1 );\n\n\t\t\tcameraNZ.up.set( 0, 1, 0 );\n\t\t\tcameraNZ.lookAt( 0, 0, - 1 );\n\n\t\t} else if ( coordinateSystem === WebGPUCoordinateSystem ) {\n\n\t\t\tcameraPX.up.set( 0, - 1, 0 );\n\t\t\tcameraPX.lookAt( - 1, 0, 0 );\n\n\t\t\tcameraNX.up.set( 0, - 1, 0 );\n\t\t\tcameraNX.lookAt( 1, 0, 0 );\n\n\t\t\tcameraPY.up.set( 0, 0, 1 );\n\t\t\tcameraPY.lookAt( 0, 1, 0 );\n\n\t\t\tcameraNY.up.set( 0, 0, - 1 );\n\t\t\tcameraNY.lookAt( 0, - 1, 0 );\n\n\t\t\tcameraPZ.up.set( 0, - 1, 0 );\n\t\t\tcameraPZ.lookAt( 0, 0, 1 );\n\n\t\t\tcameraNZ.up.set( 0, - 1, 0 );\n\t\t\tcameraNZ.lookAt( 0, 0, - 1 );\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: ' + coordinateSystem );\n\n\t\t}\n\n\t\tfor ( const camera of cameras ) {\n\n\t\t\tthis.add( camera );\n\n\t\t\tcamera.updateMatrixWorld();\n\n\t\t}\n\n\t}\n\n\tupdate( renderer, scene ) {\n\n\t\tif ( this.parent === null ) this.updateMatrixWorld();\n\n\t\tconst { renderTarget, activeMipmapLevel } = this;\n\n\t\tif ( this.coordinateSystem !== renderer.coordinateSystem ) {\n\n\t\t\tthis.coordinateSystem = renderer.coordinateSystem;\n\n\t\t\tthis.updateCoordinateSystem();\n\n\t\t}\n\n\t\tconst [ cameraPX, cameraNX, cameraPY, cameraNY, cameraPZ, cameraNZ ] = this.children;\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\t\tconst currentActiveCubeFace = renderer.getActiveCubeFace();\n\t\tconst currentActiveMipmapLevel = renderer.getActiveMipmapLevel();\n\n\t\tconst currentXrEnabled = renderer.xr.enabled;\n\n\t\trenderer.xr.enabled = false;\n\n\t\tconst generateMipmaps = renderTarget.texture.generateMipmaps;\n\n\t\trenderTarget.texture.generateMipmaps = false;\n\n\t\trenderer.setRenderTarget( renderTarget, 0, activeMipmapLevel );\n\t\trenderer.render( scene, cameraPX );\n\n\t\trenderer.setRenderTarget( renderTarget, 1, activeMipmapLevel );\n\t\trenderer.render( scene, cameraNX );\n\n\t\trenderer.setRenderTarget( renderTarget, 2, activeMipmapLevel );\n\t\trenderer.render( scene, cameraPY );\n\n\t\trenderer.setRenderTarget( renderTarget, 3, activeMipmapLevel );\n\t\trenderer.render( scene, cameraNY );\n\n\t\trenderer.setRenderTarget( renderTarget, 4, activeMipmapLevel );\n\t\trenderer.render( scene, cameraPZ );\n\n\t\t// mipmaps are generated during the last call of render()\n\t\t// at this point, all sides of the cube render target are defined\n\n\t\trenderTarget.texture.generateMipmaps = generateMipmaps;\n\n\t\trenderer.setRenderTarget( renderTarget, 5, activeMipmapLevel );\n\t\trenderer.render( scene, cameraNZ );\n\n\t\trenderer.setRenderTarget( currentRenderTarget, currentActiveCubeFace, currentActiveMipmapLevel );\n\n\t\trenderer.xr.enabled = currentXrEnabled;\n\n\t\trenderTarget.texture.needsPMREMUpdate = true;\n\n\t}\n\n}\n\nclass CubeTexture extends Texture {\n\n\tconstructor( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace ) {\n\n\t\timages = images !== undefined ? images : [];\n\t\tmapping = mapping !== undefined ? mapping : CubeReflectionMapping;\n\n\t\tsuper( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace );\n\n\t\tthis.isCubeTexture = true;\n\n\t\tthis.flipY = false;\n\n\t}\n\n\tget images() {\n\n\t\treturn this.image;\n\n\t}\n\n\tset images( value ) {\n\n\t\tthis.image = value;\n\n\t}\n\n}\n\nclass WebGLCubeRenderTarget extends WebGLRenderTarget {\n\n\tconstructor( size = 1, options = {} ) {\n\n\t\tsuper( size, size, options );\n\n\t\tthis.isWebGLCubeRenderTarget = true;\n\n\t\tconst image = { width: size, height: size, depth: 1 };\n\t\tconst images = [ image, image, image, image, image, image ];\n\n\t\tthis.texture = new CubeTexture( images, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.colorSpace );\n\n\t\t// By convention -- likely based on the RenderMan spec from the 1990's -- cube maps are specified by WebGL (and three.js)\n\t\t// in a coordinate system in which positive-x is to the right when looking up the positive-z axis -- in other words,\n\t\t// in a left-handed coordinate system. By continuing this convention, preexisting cube maps continued to render correctly.\n\n\t\t// three.js uses a right-handed coordinate system. So environment maps used in three.js appear to have px and nx swapped\n\t\t// and the flag isRenderTargetTexture controls this conversion. The flip is not required when using WebGLCubeRenderTarget.texture\n\t\t// as a cube texture (this is detected when isRenderTargetTexture is set to true for cube textures).\n\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t\tthis.texture.generateMipmaps = options.generateMipmaps !== undefined ? options.generateMipmaps : false;\n\t\tthis.texture.minFilter = options.minFilter !== undefined ? options.minFilter : LinearFilter;\n\n\t}\n\n\tfromEquirectangularTexture( renderer, texture ) {\n\n\t\tthis.texture.type = texture.type;\n\t\tthis.texture.colorSpace = texture.colorSpace;\n\n\t\tthis.texture.generateMipmaps = texture.generateMipmaps;\n\t\tthis.texture.minFilter = texture.minFilter;\n\t\tthis.texture.magFilter = texture.magFilter;\n\n\t\tconst shader = {\n\n\t\t\tuniforms: {\n\t\t\t\ttEquirect: { value: null },\n\t\t\t},\n\n\t\t\tvertexShader: /* glsl */`\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include \n\t\t\t\t\t#include \n\n\t\t\t\t}\n\t\t\t`,\n\n\t\t\tfragmentShader: /* glsl */`\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include \n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t`\n\t\t};\n\n\t\tconst geometry = new BoxGeometry( 5, 5, 5 );\n\n\t\tconst material = new ShaderMaterial( {\n\n\t\t\tname: 'CubemapFromEquirect',\n\n\t\t\tuniforms: cloneUniforms( shader.uniforms ),\n\t\t\tvertexShader: shader.vertexShader,\n\t\t\tfragmentShader: shader.fragmentShader,\n\t\t\tside: BackSide,\n\t\t\tblending: NoBlending\n\n\t\t} );\n\n\t\tmaterial.uniforms.tEquirect.value = texture;\n\n\t\tconst mesh = new Mesh( geometry, material );\n\n\t\tconst currentMinFilter = texture.minFilter;\n\n\t\t// Avoid blurred poles\n\t\tif ( texture.minFilter === LinearMipmapLinearFilter ) texture.minFilter = LinearFilter;\n\n\t\tconst camera = new CubeCamera( 1, 10, this );\n\t\tcamera.update( renderer, mesh );\n\n\t\ttexture.minFilter = currentMinFilter;\n\n\t\tmesh.geometry.dispose();\n\t\tmesh.material.dispose();\n\n\t\treturn this;\n\n\t}\n\n\tclear( renderer, color, depth, stencil ) {\n\n\t\tconst currentRenderTarget = renderer.getRenderTarget();\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\trenderer.setRenderTarget( this, i );\n\n\t\t\trenderer.clear( color, depth, stencil );\n\n\t\t}\n\n\t\trenderer.setRenderTarget( currentRenderTarget );\n\n\t}\n\n}\n\nclass Group extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isGroup = true;\n\n\t\tthis.type = 'Group';\n\n\t}\n\n}\n\nconst _moveEvent = { type: 'move' };\n\nclass WebXRController {\n\n\tconstructor() {\n\n\t\tthis._targetRay = null;\n\t\tthis._grip = null;\n\t\tthis._hand = null;\n\n\t}\n\n\tgetHandSpace() {\n\n\t\tif ( this._hand === null ) {\n\n\t\t\tthis._hand = new Group();\n\t\t\tthis._hand.matrixAutoUpdate = false;\n\t\t\tthis._hand.visible = false;\n\n\t\t\tthis._hand.joints = {};\n\t\t\tthis._hand.inputState = { pinching: false };\n\n\t\t}\n\n\t\treturn this._hand;\n\n\t}\n\n\tgetTargetRaySpace() {\n\n\t\tif ( this._targetRay === null ) {\n\n\t\t\tthis._targetRay = new Group();\n\t\t\tthis._targetRay.matrixAutoUpdate = false;\n\t\t\tthis._targetRay.visible = false;\n\t\t\tthis._targetRay.hasLinearVelocity = false;\n\t\t\tthis._targetRay.linearVelocity = new Vector3();\n\t\t\tthis._targetRay.hasAngularVelocity = false;\n\t\t\tthis._targetRay.angularVelocity = new Vector3();\n\n\t\t}\n\n\t\treturn this._targetRay;\n\n\t}\n\n\tgetGripSpace() {\n\n\t\tif ( this._grip === null ) {\n\n\t\t\tthis._grip = new Group();\n\t\t\tthis._grip.matrixAutoUpdate = false;\n\t\t\tthis._grip.visible = false;\n\t\t\tthis._grip.hasLinearVelocity = false;\n\t\t\tthis._grip.linearVelocity = new Vector3();\n\t\t\tthis._grip.hasAngularVelocity = false;\n\t\t\tthis._grip.angularVelocity = new Vector3();\n\n\t\t}\n\n\t\treturn this._grip;\n\n\t}\n\n\tdispatchEvent( event ) {\n\n\t\tif ( this._targetRay !== null ) {\n\n\t\t\tthis._targetRay.dispatchEvent( event );\n\n\t\t}\n\n\t\tif ( this._grip !== null ) {\n\n\t\t\tthis._grip.dispatchEvent( event );\n\n\t\t}\n\n\t\tif ( this._hand !== null ) {\n\n\t\t\tthis._hand.dispatchEvent( event );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tconnect( inputSource ) {\n\n\t\tif ( inputSource && inputSource.hand ) {\n\n\t\t\tconst hand = this._hand;\n\n\t\t\tif ( hand ) {\n\n\t\t\t\tfor ( const inputjoint of inputSource.hand.values() ) {\n\n\t\t\t\t\t// Initialize hand with joints when connected\n\t\t\t\t\tthis._getHandJoint( hand, inputjoint );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.dispatchEvent( { type: 'connected', data: inputSource } );\n\n\t\treturn this;\n\n\t}\n\n\tdisconnect( inputSource ) {\n\n\t\tthis.dispatchEvent( { type: 'disconnected', data: inputSource } );\n\n\t\tif ( this._targetRay !== null ) {\n\n\t\t\tthis._targetRay.visible = false;\n\n\t\t}\n\n\t\tif ( this._grip !== null ) {\n\n\t\t\tthis._grip.visible = false;\n\n\t\t}\n\n\t\tif ( this._hand !== null ) {\n\n\t\t\tthis._hand.visible = false;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tupdate( inputSource, frame, referenceSpace ) {\n\n\t\tlet inputPose = null;\n\t\tlet gripPose = null;\n\t\tlet handPose = null;\n\n\t\tconst targetRay = this._targetRay;\n\t\tconst grip = this._grip;\n\t\tconst hand = this._hand;\n\n\t\tif ( inputSource && frame.session.visibilityState !== 'visible-blurred' ) {\n\n\t\t\tif ( hand && inputSource.hand ) {\n\n\t\t\t\thandPose = true;\n\n\t\t\t\tfor ( const inputjoint of inputSource.hand.values() ) {\n\n\t\t\t\t\t// Update the joints groups with the XRJoint poses\n\t\t\t\t\tconst jointPose = frame.getJointPose( inputjoint, referenceSpace );\n\n\t\t\t\t\t// The transform of this joint will be updated with the joint pose on each frame\n\t\t\t\t\tconst joint = this._getHandJoint( hand, inputjoint );\n\n\t\t\t\t\tif ( jointPose !== null ) {\n\n\t\t\t\t\t\tjoint.matrix.fromArray( jointPose.transform.matrix );\n\t\t\t\t\t\tjoint.matrix.decompose( joint.position, joint.rotation, joint.scale );\n\t\t\t\t\t\tjoint.matrixWorldNeedsUpdate = true;\n\t\t\t\t\t\tjoint.jointRadius = jointPose.radius;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tjoint.visible = jointPose !== null;\n\n\t\t\t\t}\n\n\t\t\t\t// Custom events\n\n\t\t\t\t// Check pinchz\n\t\t\t\tconst indexTip = hand.joints[ 'index-finger-tip' ];\n\t\t\t\tconst thumbTip = hand.joints[ 'thumb-tip' ];\n\t\t\t\tconst distance = indexTip.position.distanceTo( thumbTip.position );\n\n\t\t\t\tconst distanceToPinch = 0.02;\n\t\t\t\tconst threshold = 0.005;\n\n\t\t\t\tif ( hand.inputState.pinching && distance > distanceToPinch + threshold ) {\n\n\t\t\t\t\thand.inputState.pinching = false;\n\t\t\t\t\tthis.dispatchEvent( {\n\t\t\t\t\t\ttype: 'pinchend',\n\t\t\t\t\t\thandedness: inputSource.handedness,\n\t\t\t\t\t\ttarget: this\n\t\t\t\t\t} );\n\n\t\t\t\t} else if ( ! hand.inputState.pinching && distance <= distanceToPinch - threshold ) {\n\n\t\t\t\t\thand.inputState.pinching = true;\n\t\t\t\t\tthis.dispatchEvent( {\n\t\t\t\t\t\ttype: 'pinchstart',\n\t\t\t\t\t\thandedness: inputSource.handedness,\n\t\t\t\t\t\ttarget: this\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tif ( grip !== null && inputSource.gripSpace ) {\n\n\t\t\t\t\tgripPose = frame.getPose( inputSource.gripSpace, referenceSpace );\n\n\t\t\t\t\tif ( gripPose !== null ) {\n\n\t\t\t\t\t\tgrip.matrix.fromArray( gripPose.transform.matrix );\n\t\t\t\t\t\tgrip.matrix.decompose( grip.position, grip.rotation, grip.scale );\n\t\t\t\t\t\tgrip.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t\t\tif ( gripPose.linearVelocity ) {\n\n\t\t\t\t\t\t\tgrip.hasLinearVelocity = true;\n\t\t\t\t\t\t\tgrip.linearVelocity.copy( gripPose.linearVelocity );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgrip.hasLinearVelocity = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif ( gripPose.angularVelocity ) {\n\n\t\t\t\t\t\t\tgrip.hasAngularVelocity = true;\n\t\t\t\t\t\t\tgrip.angularVelocity.copy( gripPose.angularVelocity );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tgrip.hasAngularVelocity = false;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( targetRay !== null ) {\n\n\t\t\t\tinputPose = frame.getPose( inputSource.targetRaySpace, referenceSpace );\n\n\t\t\t\t// Some runtimes (namely Vive Cosmos with Vive OpenXR Runtime) have only grip space and ray space is equal to it\n\t\t\t\tif ( inputPose === null && gripPose !== null ) {\n\n\t\t\t\t\tinputPose = gripPose;\n\n\t\t\t\t}\n\n\t\t\t\tif ( inputPose !== null ) {\n\n\t\t\t\t\ttargetRay.matrix.fromArray( inputPose.transform.matrix );\n\t\t\t\t\ttargetRay.matrix.decompose( targetRay.position, targetRay.rotation, targetRay.scale );\n\t\t\t\t\ttargetRay.matrixWorldNeedsUpdate = true;\n\n\t\t\t\t\tif ( inputPose.linearVelocity ) {\n\n\t\t\t\t\t\ttargetRay.hasLinearVelocity = true;\n\t\t\t\t\t\ttargetRay.linearVelocity.copy( inputPose.linearVelocity );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttargetRay.hasLinearVelocity = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( inputPose.angularVelocity ) {\n\n\t\t\t\t\t\ttargetRay.hasAngularVelocity = true;\n\t\t\t\t\t\ttargetRay.angularVelocity.copy( inputPose.angularVelocity );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttargetRay.hasAngularVelocity = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.dispatchEvent( _moveEvent );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t}\n\n\t\tif ( targetRay !== null ) {\n\n\t\t\ttargetRay.visible = ( inputPose !== null );\n\n\t\t}\n\n\t\tif ( grip !== null ) {\n\n\t\t\tgrip.visible = ( gripPose !== null );\n\n\t\t}\n\n\t\tif ( hand !== null ) {\n\n\t\t\thand.visible = ( handPose !== null );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// private method\n\n\t_getHandJoint( hand, inputjoint ) {\n\n\t\tif ( hand.joints[ inputjoint.jointName ] === undefined ) {\n\n\t\t\tconst joint = new Group();\n\t\t\tjoint.matrixAutoUpdate = false;\n\t\t\tjoint.visible = false;\n\t\t\thand.joints[ inputjoint.jointName ] = joint;\n\n\t\t\thand.add( joint );\n\n\t\t}\n\n\t\treturn hand.joints[ inputjoint.jointName ];\n\n\t}\n\n}\n\nclass FogExp2 {\n\n\tconstructor( color, density = 0.00025 ) {\n\n\t\tthis.isFogExp2 = true;\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\t\tthis.density = density;\n\n\t}\n\n\tclone() {\n\n\t\treturn new FogExp2( this.color, this.density );\n\n\t}\n\n\ttoJSON( /* meta */ ) {\n\n\t\treturn {\n\t\t\ttype: 'FogExp2',\n\t\t\tname: this.name,\n\t\t\tcolor: this.color.getHex(),\n\t\t\tdensity: this.density\n\t\t};\n\n\t}\n\n}\n\nclass Fog {\n\n\tconstructor( color, near = 1, far = 1000 ) {\n\n\t\tthis.isFog = true;\n\n\t\tthis.name = '';\n\n\t\tthis.color = new Color( color );\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\n\t}\n\n\tclone() {\n\n\t\treturn new Fog( this.color, this.near, this.far );\n\n\t}\n\n\ttoJSON( /* meta */ ) {\n\n\t\treturn {\n\t\t\ttype: 'Fog',\n\t\t\tname: this.name,\n\t\t\tcolor: this.color.getHex(),\n\t\t\tnear: this.near,\n\t\t\tfar: this.far\n\t\t};\n\n\t}\n\n}\n\nclass Scene extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isScene = true;\n\n\t\tthis.type = 'Scene';\n\n\t\tthis.background = null;\n\t\tthis.environment = null;\n\t\tthis.fog = null;\n\n\t\tthis.backgroundBlurriness = 0;\n\t\tthis.backgroundIntensity = 1;\n\t\tthis.backgroundRotation = new Euler();\n\n\t\tthis.environmentIntensity = 1;\n\t\tthis.environmentRotation = new Euler();\n\n\t\tthis.overrideMaterial = null;\n\n\t\tif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t\t\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) );\n\n\t\t}\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tif ( source.background !== null ) this.background = source.background.clone();\n\t\tif ( source.environment !== null ) this.environment = source.environment.clone();\n\t\tif ( source.fog !== null ) this.fog = source.fog.clone();\n\n\t\tthis.backgroundBlurriness = source.backgroundBlurriness;\n\t\tthis.backgroundIntensity = source.backgroundIntensity;\n\t\tthis.backgroundRotation.copy( source.backgroundRotation );\n\n\t\tthis.environmentIntensity = source.environmentIntensity;\n\t\tthis.environmentRotation.copy( source.environmentRotation );\n\n\t\tif ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone();\n\n\t\tthis.matrixAutoUpdate = source.matrixAutoUpdate;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tif ( this.fog !== null ) data.object.fog = this.fog.toJSON();\n\n\t\tif ( this.backgroundBlurriness > 0 ) data.object.backgroundBlurriness = this.backgroundBlurriness;\n\t\tif ( this.backgroundIntensity !== 1 ) data.object.backgroundIntensity = this.backgroundIntensity;\n\t\tdata.object.backgroundRotation = this.backgroundRotation.toArray();\n\n\t\tif ( this.environmentIntensity !== 1 ) data.object.environmentIntensity = this.environmentIntensity;\n\t\tdata.object.environmentRotation = this.environmentRotation.toArray();\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass InterleavedBuffer {\n\n\tconstructor( array, stride ) {\n\n\t\tthis.isInterleavedBuffer = true;\n\n\t\tthis.array = array;\n\t\tthis.stride = stride;\n\t\tthis.count = array !== undefined ? array.length / stride : 0;\n\n\t\tthis.usage = StaticDrawUsage;\n\t\tthis.updateRanges = [];\n\n\t\tthis.version = 0;\n\n\t\tthis.uuid = generateUUID();\n\n\t}\n\n\tonUploadCallback() {}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tsetUsage( value ) {\n\n\t\tthis.usage = value;\n\n\t\treturn this;\n\n\t}\n\n\taddUpdateRange( start, count ) {\n\n\t\tthis.updateRanges.push( { start, count } );\n\n\t}\n\n\tclearUpdateRanges() {\n\n\t\tthis.updateRanges.length = 0;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.array = new source.array.constructor( source.array );\n\t\tthis.count = source.count;\n\t\tthis.stride = source.stride;\n\t\tthis.usage = source.usage;\n\n\t\treturn this;\n\n\t}\n\n\tcopyAt( index1, attribute, index2 ) {\n\n\t\tindex1 *= this.stride;\n\t\tindex2 *= attribute.stride;\n\n\t\tfor ( let i = 0, l = this.stride; i < l; i ++ ) {\n\n\t\t\tthis.array[ index1 + i ] = attribute.array[ index2 + i ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tset( value, offset = 0 ) {\n\n\t\tthis.array.set( value, offset );\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tif ( data.arrayBuffers === undefined ) {\n\n\t\t\tdata.arrayBuffers = {};\n\n\t\t}\n\n\t\tif ( this.array.buffer._uuid === undefined ) {\n\n\t\t\tthis.array.buffer._uuid = generateUUID();\n\n\t\t}\n\n\t\tif ( data.arrayBuffers[ this.array.buffer._uuid ] === undefined ) {\n\n\t\t\tdata.arrayBuffers[ this.array.buffer._uuid ] = this.array.slice( 0 ).buffer;\n\n\t\t}\n\n\t\tconst array = new this.array.constructor( data.arrayBuffers[ this.array.buffer._uuid ] );\n\n\t\tconst ib = new this.constructor( array, this.stride );\n\t\tib.setUsage( this.usage );\n\n\t\treturn ib;\n\n\t}\n\n\tonUpload( callback ) {\n\n\t\tthis.onUploadCallback = callback;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tif ( data.arrayBuffers === undefined ) {\n\n\t\t\tdata.arrayBuffers = {};\n\n\t\t}\n\n\t\t// generate UUID for array buffer if necessary\n\n\t\tif ( this.array.buffer._uuid === undefined ) {\n\n\t\t\tthis.array.buffer._uuid = generateUUID();\n\n\t\t}\n\n\t\tif ( data.arrayBuffers[ this.array.buffer._uuid ] === undefined ) {\n\n\t\t\tdata.arrayBuffers[ this.array.buffer._uuid ] = Array.from( new Uint32Array( this.array.buffer ) );\n\n\t\t}\n\n\t\t//\n\n\t\treturn {\n\t\t\tuuid: this.uuid,\n\t\t\tbuffer: this.array.buffer._uuid,\n\t\t\ttype: this.array.constructor.name,\n\t\t\tstride: this.stride\n\t\t};\n\n\t}\n\n}\n\nconst _vector$7 = /*@__PURE__*/ new Vector3();\n\nclass InterleavedBufferAttribute {\n\n\tconstructor( interleavedBuffer, itemSize, offset, normalized = false ) {\n\n\t\tthis.isInterleavedBufferAttribute = true;\n\n\t\tthis.name = '';\n\n\t\tthis.data = interleavedBuffer;\n\t\tthis.itemSize = itemSize;\n\t\tthis.offset = offset;\n\n\t\tthis.normalized = normalized;\n\n\t}\n\n\tget count() {\n\n\t\treturn this.data.count;\n\n\t}\n\n\tget array() {\n\n\t\treturn this.data.array;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tthis.data.needsUpdate = value;\n\n\t}\n\n\tapplyMatrix4( m ) {\n\n\t\tfor ( let i = 0, l = this.data.count; i < l; i ++ ) {\n\n\t\t\t_vector$7.fromBufferAttribute( this, i );\n\n\t\t\t_vector$7.applyMatrix4( m );\n\n\t\t\tthis.setXYZ( i, _vector$7.x, _vector$7.y, _vector$7.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tapplyNormalMatrix( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$7.fromBufferAttribute( this, i );\n\n\t\t\t_vector$7.applyNormalMatrix( m );\n\n\t\t\tthis.setXYZ( i, _vector$7.x, _vector$7.y, _vector$7.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttransformDirection( m ) {\n\n\t\tfor ( let i = 0, l = this.count; i < l; i ++ ) {\n\n\t\t\t_vector$7.fromBufferAttribute( this, i );\n\n\t\t\t_vector$7.transformDirection( m );\n\n\t\t\tthis.setXYZ( i, _vector$7.x, _vector$7.y, _vector$7.z );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetComponent( index, component ) {\n\n\t\tlet value = this.array[ index * this.data.stride + this.offset + component ];\n\n\t\tif ( this.normalized ) value = denormalize( value, this.array );\n\n\t\treturn value;\n\n\t}\n\n\tsetComponent( index, component, value ) {\n\n\t\tif ( this.normalized ) value = normalize( value, this.array );\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + component ] = value;\n\n\t\treturn this;\n\n\t}\n\n\tsetX( index, x ) {\n\n\t\tif ( this.normalized ) x = normalize( x, this.array );\n\n\t\tthis.data.array[ index * this.data.stride + this.offset ] = x;\n\n\t\treturn this;\n\n\t}\n\n\tsetY( index, y ) {\n\n\t\tif ( this.normalized ) y = normalize( y, this.array );\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetZ( index, z ) {\n\n\t\tif ( this.normalized ) z = normalize( z, this.array );\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetW( index, w ) {\n\n\t\tif ( this.normalized ) w = normalize( w, this.array );\n\n\t\tthis.data.array[ index * this.data.stride + this.offset + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tgetX( index ) {\n\n\t\tlet x = this.data.array[ index * this.data.stride + this.offset ];\n\n\t\tif ( this.normalized ) x = denormalize( x, this.array );\n\n\t\treturn x;\n\n\t}\n\n\tgetY( index ) {\n\n\t\tlet y = this.data.array[ index * this.data.stride + this.offset + 1 ];\n\n\t\tif ( this.normalized ) y = denormalize( y, this.array );\n\n\t\treturn y;\n\n\t}\n\n\tgetZ( index ) {\n\n\t\tlet z = this.data.array[ index * this.data.stride + this.offset + 2 ];\n\n\t\tif ( this.normalized ) z = denormalize( z, this.array );\n\n\t\treturn z;\n\n\t}\n\n\tgetW( index ) {\n\n\t\tlet w = this.data.array[ index * this.data.stride + this.offset + 3 ];\n\n\t\tif ( this.normalized ) w = denormalize( w, this.array );\n\n\t\treturn w;\n\n\t}\n\n\tsetXY( index, x, y ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\n\t\t}\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZ( index, x, y, z ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\t\t\tz = normalize( z, this.array );\n\n\t\t}\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\t\tthis.data.array[ index + 2 ] = z;\n\n\t\treturn this;\n\n\t}\n\n\tsetXYZW( index, x, y, z, w ) {\n\n\t\tindex = index * this.data.stride + this.offset;\n\n\t\tif ( this.normalized ) {\n\n\t\t\tx = normalize( x, this.array );\n\t\t\ty = normalize( y, this.array );\n\t\t\tz = normalize( z, this.array );\n\t\t\tw = normalize( w, this.array );\n\n\t\t}\n\n\t\tthis.data.array[ index + 0 ] = x;\n\t\tthis.data.array[ index + 1 ] = y;\n\t\tthis.data.array[ index + 2 ] = z;\n\t\tthis.data.array[ index + 3 ] = w;\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tif ( data === undefined ) {\n\n\t\t\tconsole.log( 'THREE.InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will de-interleave buffer data.' );\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0; i < this.count; i ++ ) {\n\n\t\t\t\tconst index = i * this.data.stride + this.offset;\n\n\t\t\t\tfor ( let j = 0; j < this.itemSize; j ++ ) {\n\n\t\t\t\t\tarray.push( this.data.array[ index + j ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn new BufferAttribute( new this.array.constructor( array ), this.itemSize, this.normalized );\n\n\t\t} else {\n\n\t\t\tif ( data.interleavedBuffers === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers = {};\n\n\t\t\t}\n\n\t\t\tif ( data.interleavedBuffers[ this.data.uuid ] === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers[ this.data.uuid ] = this.data.clone( data );\n\n\t\t\t}\n\n\t\t\treturn new InterleavedBufferAttribute( data.interleavedBuffers[ this.data.uuid ], this.itemSize, this.offset, this.normalized );\n\n\t\t}\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tif ( data === undefined ) {\n\n\t\t\tconsole.log( 'THREE.InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will de-interleave buffer data.' );\n\n\t\t\tconst array = [];\n\n\t\t\tfor ( let i = 0; i < this.count; i ++ ) {\n\n\t\t\t\tconst index = i * this.data.stride + this.offset;\n\n\t\t\t\tfor ( let j = 0; j < this.itemSize; j ++ ) {\n\n\t\t\t\t\tarray.push( this.data.array[ index + j ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// de-interleave data and save it as an ordinary buffer attribute for now\n\n\t\t\treturn {\n\t\t\t\titemSize: this.itemSize,\n\t\t\t\ttype: this.array.constructor.name,\n\t\t\t\tarray: array,\n\t\t\t\tnormalized: this.normalized\n\t\t\t};\n\n\t\t} else {\n\n\t\t\t// save as true interleaved attribute\n\n\t\t\tif ( data.interleavedBuffers === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers = {};\n\n\t\t\t}\n\n\t\t\tif ( data.interleavedBuffers[ this.data.uuid ] === undefined ) {\n\n\t\t\t\tdata.interleavedBuffers[ this.data.uuid ] = this.data.toJSON( data );\n\n\t\t\t}\n\n\t\t\treturn {\n\t\t\t\tisInterleavedBufferAttribute: true,\n\t\t\t\titemSize: this.itemSize,\n\t\t\t\tdata: this.data.uuid,\n\t\t\t\toffset: this.offset,\n\t\t\t\tnormalized: this.normalized\n\t\t\t};\n\n\t\t}\n\n\t}\n\n}\n\nclass SpriteMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isSpriteMaterial = true;\n\n\t\tthis.type = 'SpriteMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.rotation = 0;\n\n\t\tthis.sizeAttenuation = true;\n\n\t\tthis.transparent = true;\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.rotation = source.rotation;\n\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nlet _geometry;\n\nconst _intersectPoint = /*@__PURE__*/ new Vector3();\nconst _worldScale = /*@__PURE__*/ new Vector3();\nconst _mvPosition = /*@__PURE__*/ new Vector3();\n\nconst _alignedPosition = /*@__PURE__*/ new Vector2();\nconst _rotatedPosition = /*@__PURE__*/ new Vector2();\nconst _viewWorldMatrix = /*@__PURE__*/ new Matrix4();\n\nconst _vA = /*@__PURE__*/ new Vector3();\nconst _vB = /*@__PURE__*/ new Vector3();\nconst _vC = /*@__PURE__*/ new Vector3();\n\nconst _uvA = /*@__PURE__*/ new Vector2();\nconst _uvB = /*@__PURE__*/ new Vector2();\nconst _uvC = /*@__PURE__*/ new Vector2();\n\nclass Sprite extends Object3D {\n\n\tconstructor( material = new SpriteMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.isSprite = true;\n\n\t\tthis.type = 'Sprite';\n\n\t\tif ( _geometry === undefined ) {\n\n\t\t\t_geometry = new BufferGeometry();\n\n\t\t\tconst float32Array = new Float32Array( [\n\t\t\t\t- 0.5, - 0.5, 0, 0, 0,\n\t\t\t\t0.5, - 0.5, 0, 1, 0,\n\t\t\t\t0.5, 0.5, 0, 1, 1,\n\t\t\t\t- 0.5, 0.5, 0, 0, 1\n\t\t\t] );\n\n\t\t\tconst interleavedBuffer = new InterleavedBuffer( float32Array, 5 );\n\n\t\t\t_geometry.setIndex( [ 0, 1, 2,\t0, 2, 3 ] );\n\t\t\t_geometry.setAttribute( 'position', new InterleavedBufferAttribute( interleavedBuffer, 3, 0, false ) );\n\t\t\t_geometry.setAttribute( 'uv', new InterleavedBufferAttribute( interleavedBuffer, 2, 3, false ) );\n\n\t\t}\n\n\t\tthis.geometry = _geometry;\n\t\tthis.material = material;\n\n\t\tthis.center = new Vector2( 0.5, 0.5 );\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tif ( raycaster.camera === null ) {\n\n\t\t\tconsole.error( 'THREE.Sprite: \"Raycaster.camera\" needs to be set in order to raycast against sprites.' );\n\n\t\t}\n\n\t\t_worldScale.setFromMatrixScale( this.matrixWorld );\n\n\t\t_viewWorldMatrix.copy( raycaster.camera.matrixWorld );\n\t\tthis.modelViewMatrix.multiplyMatrices( raycaster.camera.matrixWorldInverse, this.matrixWorld );\n\n\t\t_mvPosition.setFromMatrixPosition( this.modelViewMatrix );\n\n\t\tif ( raycaster.camera.isPerspectiveCamera && this.material.sizeAttenuation === false ) {\n\n\t\t\t_worldScale.multiplyScalar( - _mvPosition.z );\n\n\t\t}\n\n\t\tconst rotation = this.material.rotation;\n\t\tlet sin, cos;\n\n\t\tif ( rotation !== 0 ) {\n\n\t\t\tcos = Math.cos( rotation );\n\t\t\tsin = Math.sin( rotation );\n\n\t\t}\n\n\t\tconst center = this.center;\n\n\t\ttransformVertex( _vA.set( - 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\ttransformVertex( _vB.set( 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\ttransformVertex( _vC.set( 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\n\t\t_uvA.set( 0, 0 );\n\t\t_uvB.set( 1, 0 );\n\t\t_uvC.set( 1, 1 );\n\n\t\t// check first triangle\n\t\tlet intersect = raycaster.ray.intersectTriangle( _vA, _vB, _vC, false, _intersectPoint );\n\n\t\tif ( intersect === null ) {\n\n\t\t\t// check second triangle\n\t\t\ttransformVertex( _vB.set( - 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos );\n\t\t\t_uvB.set( 0, 1 );\n\n\t\t\tintersect = raycaster.ray.intersectTriangle( _vA, _vC, _vB, false, _intersectPoint );\n\t\t\tif ( intersect === null ) {\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst distance = raycaster.ray.origin.distanceTo( _intersectPoint );\n\n\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\tintersects.push( {\n\n\t\t\tdistance: distance,\n\t\t\tpoint: _intersectPoint.clone(),\n\t\t\tuv: Triangle.getInterpolation( _intersectPoint, _vA, _vB, _vC, _uvA, _uvB, _uvC, new Vector2() ),\n\t\t\tface: null,\n\t\t\tobject: this\n\n\t\t} );\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tif ( source.center !== undefined ) this.center.copy( source.center );\n\n\t\tthis.material = source.material;\n\n\t\treturn this;\n\n\t}\n\n}\n\nfunction transformVertex( vertexPosition, mvPosition, center, scale, sin, cos ) {\n\n\t// compute position in camera space\n\t_alignedPosition.subVectors( vertexPosition, center ).addScalar( 0.5 ).multiply( scale );\n\n\t// to check if rotation is not zero\n\tif ( sin !== undefined ) {\n\n\t\t_rotatedPosition.x = ( cos * _alignedPosition.x ) - ( sin * _alignedPosition.y );\n\t\t_rotatedPosition.y = ( sin * _alignedPosition.x ) + ( cos * _alignedPosition.y );\n\n\t} else {\n\n\t\t_rotatedPosition.copy( _alignedPosition );\n\n\t}\n\n\n\tvertexPosition.copy( mvPosition );\n\tvertexPosition.x += _rotatedPosition.x;\n\tvertexPosition.y += _rotatedPosition.y;\n\n\t// transform to world space\n\tvertexPosition.applyMatrix4( _viewWorldMatrix );\n\n}\n\nconst _v1$2 = /*@__PURE__*/ new Vector3();\nconst _v2$1 = /*@__PURE__*/ new Vector3();\n\nclass LOD extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis._currentLevel = 0;\n\n\t\tthis.type = 'LOD';\n\n\t\tObject.defineProperties( this, {\n\t\t\tlevels: {\n\t\t\t\tenumerable: true,\n\t\t\t\tvalue: []\n\t\t\t},\n\t\t\tisLOD: {\n\t\t\t\tvalue: true,\n\t\t\t}\n\t\t} );\n\n\t\tthis.autoUpdate = true;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source, false );\n\n\t\tconst levels = source.levels;\n\n\t\tfor ( let i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\tconst level = levels[ i ];\n\n\t\t\tthis.addLevel( level.object.clone(), level.distance, level.hysteresis );\n\n\t\t}\n\n\t\tthis.autoUpdate = source.autoUpdate;\n\n\t\treturn this;\n\n\t}\n\n\taddLevel( object, distance = 0, hysteresis = 0 ) {\n\n\t\tdistance = Math.abs( distance );\n\n\t\tconst levels = this.levels;\n\n\t\tlet l;\n\n\t\tfor ( l = 0; l < levels.length; l ++ ) {\n\n\t\t\tif ( distance < levels[ l ].distance ) {\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tlevels.splice( l, 0, { distance: distance, hysteresis: hysteresis, object: object } );\n\n\t\tthis.add( object );\n\n\t\treturn this;\n\n\t}\n\n\tremoveLevel( distance ) {\n\n\t\tconst levels = this.levels;\n\n\t\tfor ( let i = 0; i < levels.length; i ++ ) {\n\n\t\t\tif ( levels[ i ].distance === distance ) {\n\n\t\t\t\tconst removedElements = levels.splice( i, 1 );\n\t\t\t\tthis.remove( removedElements[ 0 ].object );\n\n\t\t\t\treturn true;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\tgetCurrentLevel() {\n\n\t\treturn this._currentLevel;\n\n\t}\n\n\n\n\tgetObjectForDistance( distance ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 0 ) {\n\n\t\t\tlet i, l;\n\n\t\t\tfor ( i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tlet levelDistance = levels[ i ].distance;\n\n\t\t\t\tif ( levels[ i ].object.visible ) {\n\n\t\t\t\t\tlevelDistance -= levelDistance * levels[ i ].hysteresis;\n\n\t\t\t\t}\n\n\t\t\t\tif ( distance < levelDistance ) {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn levels[ i - 1 ].object;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 0 ) {\n\n\t\t\t_v1$2.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\tconst distance = raycaster.ray.origin.distanceTo( _v1$2 );\n\n\t\t\tthis.getObjectForDistance( distance ).raycast( raycaster, intersects );\n\n\t\t}\n\n\t}\n\n\tupdate( camera ) {\n\n\t\tconst levels = this.levels;\n\n\t\tif ( levels.length > 1 ) {\n\n\t\t\t_v1$2.setFromMatrixPosition( camera.matrixWorld );\n\t\t\t_v2$1.setFromMatrixPosition( this.matrixWorld );\n\n\t\t\tconst distance = _v1$2.distanceTo( _v2$1 ) / camera.zoom;\n\n\t\t\tlevels[ 0 ].object.visible = true;\n\n\t\t\tlet i, l;\n\n\t\t\tfor ( i = 1, l = levels.length; i < l; i ++ ) {\n\n\t\t\t\tlet levelDistance = levels[ i ].distance;\n\n\t\t\t\tif ( levels[ i ].object.visible ) {\n\n\t\t\t\t\tlevelDistance -= levelDistance * levels[ i ].hysteresis;\n\n\t\t\t\t}\n\n\t\t\t\tif ( distance >= levelDistance ) {\n\n\t\t\t\t\tlevels[ i - 1 ].object.visible = false;\n\t\t\t\t\tlevels[ i ].object.visible = true;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._currentLevel = i - 1;\n\n\t\t\tfor ( ; i < l; i ++ ) {\n\n\t\t\t\tlevels[ i ].object.visible = false;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tif ( this.autoUpdate === false ) data.object.autoUpdate = false;\n\n\t\tdata.object.levels = [];\n\n\t\tconst levels = this.levels;\n\n\t\tfor ( let i = 0, l = levels.length; i < l; i ++ ) {\n\n\t\t\tconst level = levels[ i ];\n\n\t\t\tdata.object.levels.push( {\n\t\t\t\tobject: level.object.uuid,\n\t\t\t\tdistance: level.distance,\n\t\t\t\thysteresis: level.hysteresis\n\t\t\t} );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n}\n\nconst _basePosition = /*@__PURE__*/ new Vector3();\n\nconst _skinIndex = /*@__PURE__*/ new Vector4();\nconst _skinWeight = /*@__PURE__*/ new Vector4();\n\nconst _vector3 = /*@__PURE__*/ new Vector3();\nconst _matrix4 = /*@__PURE__*/ new Matrix4();\nconst _vertex = /*@__PURE__*/ new Vector3();\n\nconst _sphere$5 = /*@__PURE__*/ new Sphere();\nconst _inverseMatrix$2 = /*@__PURE__*/ new Matrix4();\nconst _ray$2 = /*@__PURE__*/ new Ray();\n\nclass SkinnedMesh extends Mesh {\n\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.isSkinnedMesh = true;\n\n\t\tthis.type = 'SkinnedMesh';\n\n\t\tthis.bindMode = AttachedBindMode;\n\t\tthis.bindMatrix = new Matrix4();\n\t\tthis.bindMatrixInverse = new Matrix4();\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t}\n\n\tcomputeBoundingBox() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( this.boundingBox === null ) {\n\n\t\t\tthis.boundingBox = new Box3();\n\n\t\t}\n\n\t\tthis.boundingBox.makeEmpty();\n\n\t\tconst positionAttribute = geometry.getAttribute( 'position' );\n\n\t\tfor ( let i = 0; i < positionAttribute.count; i ++ ) {\n\n\t\t\tthis.getVertexPosition( i, _vertex );\n\t\t\tthis.boundingBox.expandByPoint( _vertex );\n\n\t\t}\n\n\t}\n\n\tcomputeBoundingSphere() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tif ( this.boundingSphere === null ) {\n\n\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t}\n\n\t\tthis.boundingSphere.makeEmpty();\n\n\t\tconst positionAttribute = geometry.getAttribute( 'position' );\n\n\t\tfor ( let i = 0; i < positionAttribute.count; i ++ ) {\n\n\t\t\tthis.getVertexPosition( i, _vertex );\n\t\t\tthis.boundingSphere.expandByPoint( _vertex );\n\n\t\t}\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.bindMode = source.bindMode;\n\t\tthis.bindMatrix.copy( source.bindMatrix );\n\t\tthis.bindMatrixInverse.copy( source.bindMatrixInverse );\n\n\t\tthis.skeleton = source.skeleton;\n\n\t\tif ( source.boundingBox !== null ) this.boundingBox = source.boundingBox.clone();\n\t\tif ( source.boundingSphere !== null ) this.boundingSphere = source.boundingSphere.clone();\n\n\t\treturn this;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst material = this.material;\n\t\tconst matrixWorld = this.matrixWorld;\n\n\t\tif ( material === undefined ) return;\n\n\t\t// test with bounding sphere in world space\n\n\t\tif ( this.boundingSphere === null ) this.computeBoundingSphere();\n\n\t\t_sphere$5.copy( this.boundingSphere );\n\t\t_sphere$5.applyMatrix4( matrixWorld );\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere$5 ) === false ) return;\n\n\t\t// convert ray to local space of skinned mesh\n\n\t\t_inverseMatrix$2.copy( matrixWorld ).invert();\n\t\t_ray$2.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$2 );\n\n\t\t// test with bounding box in local space\n\n\t\tif ( this.boundingBox !== null ) {\n\n\t\t\tif ( _ray$2.intersectsBox( this.boundingBox ) === false ) return;\n\n\t\t}\n\n\t\t// test for intersections with geometry\n\n\t\tthis._computeIntersections( raycaster, intersects, _ray$2 );\n\n\t}\n\n\tgetVertexPosition( index, target ) {\n\n\t\tsuper.getVertexPosition( index, target );\n\n\t\tthis.applyBoneTransform( index, target );\n\n\t\treturn target;\n\n\t}\n\n\tbind( skeleton, bindMatrix ) {\n\n\t\tthis.skeleton = skeleton;\n\n\t\tif ( bindMatrix === undefined ) {\n\n\t\t\tthis.updateMatrixWorld( true );\n\n\t\t\tthis.skeleton.calculateInverses();\n\n\t\t\tbindMatrix = this.matrixWorld;\n\n\t\t}\n\n\t\tthis.bindMatrix.copy( bindMatrix );\n\t\tthis.bindMatrixInverse.copy( bindMatrix ).invert();\n\n\t}\n\n\tpose() {\n\n\t\tthis.skeleton.pose();\n\n\t}\n\n\tnormalizeSkinWeights() {\n\n\t\tconst vector = new Vector4();\n\n\t\tconst skinWeight = this.geometry.attributes.skinWeight;\n\n\t\tfor ( let i = 0, l = skinWeight.count; i < l; i ++ ) {\n\n\t\t\tvector.fromBufferAttribute( skinWeight, i );\n\n\t\t\tconst scale = 1.0 / vector.manhattanLength();\n\n\t\t\tif ( scale !== Infinity ) {\n\n\t\t\t\tvector.multiplyScalar( scale );\n\n\t\t\t} else {\n\n\t\t\t\tvector.set( 1, 0, 0, 0 ); // do something reasonable\n\n\t\t\t}\n\n\t\t\tskinWeight.setXYZW( i, vector.x, vector.y, vector.z, vector.w );\n\n\t\t}\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tif ( this.bindMode === AttachedBindMode ) {\n\n\t\t\tthis.bindMatrixInverse.copy( this.matrixWorld ).invert();\n\n\t\t} else if ( this.bindMode === DetachedBindMode ) {\n\n\t\t\tthis.bindMatrixInverse.copy( this.bindMatrix ).invert();\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.SkinnedMesh: Unrecognized bindMode: ' + this.bindMode );\n\n\t\t}\n\n\t}\n\n\tapplyBoneTransform( index, vector ) {\n\n\t\tconst skeleton = this.skeleton;\n\t\tconst geometry = this.geometry;\n\n\t\t_skinIndex.fromBufferAttribute( geometry.attributes.skinIndex, index );\n\t\t_skinWeight.fromBufferAttribute( geometry.attributes.skinWeight, index );\n\n\t\t_basePosition.copy( vector ).applyMatrix4( this.bindMatrix );\n\n\t\tvector.set( 0, 0, 0 );\n\n\t\tfor ( let i = 0; i < 4; i ++ ) {\n\n\t\t\tconst weight = _skinWeight.getComponent( i );\n\n\t\t\tif ( weight !== 0 ) {\n\n\t\t\t\tconst boneIndex = _skinIndex.getComponent( i );\n\n\t\t\t\t_matrix4.multiplyMatrices( skeleton.bones[ boneIndex ].matrixWorld, skeleton.boneInverses[ boneIndex ] );\n\n\t\t\t\tvector.addScaledVector( _vector3.copy( _basePosition ).applyMatrix4( _matrix4 ), weight );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn vector.applyMatrix4( this.bindMatrixInverse );\n\n\t}\n\n}\n\nclass Bone extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isBone = true;\n\n\t\tthis.type = 'Bone';\n\n\t}\n\n}\n\nclass DataTexture extends Texture {\n\n\tconstructor( data = null, width = 1, height = 1, format, type, mapping, wrapS, wrapT, magFilter = NearestFilter, minFilter = NearestFilter, anisotropy, colorSpace ) {\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace );\n\n\t\tthis.isDataTexture = true;\n\n\t\tthis.image = { data: data, width: width, height: height };\n\n\t\tthis.generateMipmaps = false;\n\t\tthis.flipY = false;\n\t\tthis.unpackAlignment = 1;\n\n\t}\n\n}\n\nconst _offsetMatrix = /*@__PURE__*/ new Matrix4();\nconst _identityMatrix = /*@__PURE__*/ new Matrix4();\n\nclass Skeleton {\n\n\tconstructor( bones = [], boneInverses = [] ) {\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.bones = bones.slice( 0 );\n\t\tthis.boneInverses = boneInverses;\n\t\tthis.boneMatrices = null;\n\n\t\tthis.boneTexture = null;\n\n\t\tthis.init();\n\n\t}\n\n\tinit() {\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\n\t\tthis.boneMatrices = new Float32Array( bones.length * 16 );\n\n\t\t// calculate inverse bone matrices if necessary\n\n\t\tif ( boneInverses.length === 0 ) {\n\n\t\t\tthis.calculateInverses();\n\n\t\t} else {\n\n\t\t\t// handle special case\n\n\t\t\tif ( bones.length !== boneInverses.length ) {\n\n\t\t\t\tconsole.warn( 'THREE.Skeleton: Number of inverse bone matrices does not match amount of bones.' );\n\n\t\t\t\tthis.boneInverses = [];\n\n\t\t\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\t\t\tthis.boneInverses.push( new Matrix4() );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcalculateInverses() {\n\n\t\tthis.boneInverses.length = 0;\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst inverse = new Matrix4();\n\n\t\t\tif ( this.bones[ i ] ) {\n\n\t\t\t\tinverse.copy( this.bones[ i ].matrixWorld ).invert();\n\n\t\t\t}\n\n\t\t\tthis.boneInverses.push( inverse );\n\n\t\t}\n\n\t}\n\n\tpose() {\n\n\t\t// recover the bind-time world matrices\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone ) {\n\n\t\t\t\tbone.matrixWorld.copy( this.boneInverses[ i ] ).invert();\n\n\t\t\t}\n\n\t\t}\n\n\t\t// compute the local matrices, positions, rotations and scales\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone ) {\n\n\t\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\t\tbone.matrix.copy( bone.parent.matrixWorld ).invert();\n\t\t\t\t\tbone.matrix.multiply( bone.matrixWorld );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tbone.matrix.copy( bone.matrixWorld );\n\n\t\t\t\t}\n\n\t\t\t\tbone.matrix.decompose( bone.position, bone.quaternion, bone.scale );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tupdate() {\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\t\tconst boneMatrices = this.boneMatrices;\n\t\tconst boneTexture = this.boneTexture;\n\n\t\t// flatten bone matrices to array\n\n\t\tfor ( let i = 0, il = bones.length; i < il; i ++ ) {\n\n\t\t\t// compute the offset between the current and the original transform\n\n\t\t\tconst matrix = bones[ i ] ? bones[ i ].matrixWorld : _identityMatrix;\n\n\t\t\t_offsetMatrix.multiplyMatrices( matrix, boneInverses[ i ] );\n\t\t\t_offsetMatrix.toArray( boneMatrices, i * 16 );\n\n\t\t}\n\n\t\tif ( boneTexture !== null ) {\n\n\t\t\tboneTexture.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new Skeleton( this.bones, this.boneInverses );\n\n\t}\n\n\tcomputeBoneTexture() {\n\n\t\t// layout (1 matrix = 4 pixels)\n\t\t// RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4)\n\t\t// with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8)\n\t\t// 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16)\n\t\t// 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32)\n\t\t// 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64)\n\n\t\tlet size = Math.sqrt( this.bones.length * 4 ); // 4 pixels needed for 1 matrix\n\t\tsize = Math.ceil( size / 4 ) * 4;\n\t\tsize = Math.max( size, 4 );\n\n\t\tconst boneMatrices = new Float32Array( size * size * 4 ); // 4 floats per RGBA pixel\n\t\tboneMatrices.set( this.boneMatrices ); // copy current values\n\n\t\tconst boneTexture = new DataTexture( boneMatrices, size, size, RGBAFormat, FloatType );\n\t\tboneTexture.needsUpdate = true;\n\n\t\tthis.boneMatrices = boneMatrices;\n\t\tthis.boneTexture = boneTexture;\n\n\t\treturn this;\n\n\t}\n\n\tgetBoneByName( name ) {\n\n\t\tfor ( let i = 0, il = this.bones.length; i < il; i ++ ) {\n\n\t\t\tconst bone = this.bones[ i ];\n\n\t\t\tif ( bone.name === name ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn undefined;\n\n\t}\n\n\tdispose( ) {\n\n\t\tif ( this.boneTexture !== null ) {\n\n\t\t\tthis.boneTexture.dispose();\n\n\t\t\tthis.boneTexture = null;\n\n\t\t}\n\n\t}\n\n\tfromJSON( json, bones ) {\n\n\t\tthis.uuid = json.uuid;\n\n\t\tfor ( let i = 0, l = json.bones.length; i < l; i ++ ) {\n\n\t\t\tconst uuid = json.bones[ i ];\n\t\t\tlet bone = bones[ uuid ];\n\n\t\t\tif ( bone === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.Skeleton: No bone found with UUID:', uuid );\n\t\t\t\tbone = new Bone();\n\n\t\t\t}\n\n\t\t\tthis.bones.push( bone );\n\t\t\tthis.boneInverses.push( new Matrix4().fromArray( json.boneInverses[ i ] ) );\n\n\t\t}\n\n\t\tthis.init();\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.6,\n\t\t\t\ttype: 'Skeleton',\n\t\t\t\tgenerator: 'Skeleton.toJSON'\n\t\t\t},\n\t\t\tbones: [],\n\t\t\tboneInverses: []\n\t\t};\n\n\t\tdata.uuid = this.uuid;\n\n\t\tconst bones = this.bones;\n\t\tconst boneInverses = this.boneInverses;\n\n\t\tfor ( let i = 0, l = bones.length; i < l; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\t\t\tdata.bones.push( bone.uuid );\n\n\t\t\tconst boneInverse = boneInverses[ i ];\n\t\t\tdata.boneInverses.push( boneInverse.toArray() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass InstancedBufferAttribute extends BufferAttribute {\n\n\tconstructor( array, itemSize, normalized, meshPerAttribute = 1 ) {\n\n\t\tsuper( array, itemSize, normalized );\n\n\t\tthis.isInstancedBufferAttribute = true;\n\n\t\tthis.meshPerAttribute = meshPerAttribute;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.meshPerAttribute = this.meshPerAttribute;\n\n\t\tdata.isInstancedBufferAttribute = true;\n\n\t\treturn data;\n\n\t}\n\n}\n\nconst _instanceLocalMatrix = /*@__PURE__*/ new Matrix4();\nconst _instanceWorldMatrix = /*@__PURE__*/ new Matrix4();\n\nconst _instanceIntersects = [];\n\nconst _box3 = /*@__PURE__*/ new Box3();\nconst _identity = /*@__PURE__*/ new Matrix4();\nconst _mesh$1 = /*@__PURE__*/ new Mesh();\nconst _sphere$4 = /*@__PURE__*/ new Sphere();\n\nclass InstancedMesh extends Mesh {\n\n\tconstructor( geometry, material, count ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.isInstancedMesh = true;\n\n\t\tthis.instanceMatrix = new InstancedBufferAttribute( new Float32Array( count * 16 ), 16 );\n\t\tthis.instanceColor = null;\n\t\tthis.morphTexture = null;\n\n\t\tthis.count = count;\n\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tthis.setMatrixAt( i, _identity );\n\n\t\t}\n\n\t}\n\n\tcomputeBoundingBox() {\n\n\t\tconst geometry = this.geometry;\n\t\tconst count = this.count;\n\n\t\tif ( this.boundingBox === null ) {\n\n\t\t\tthis.boundingBox = new Box3();\n\n\t\t}\n\n\t\tif ( geometry.boundingBox === null ) {\n\n\t\t\tgeometry.computeBoundingBox();\n\n\t\t}\n\n\t\tthis.boundingBox.makeEmpty();\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tthis.getMatrixAt( i, _instanceLocalMatrix );\n\n\t\t\t_box3.copy( geometry.boundingBox ).applyMatrix4( _instanceLocalMatrix );\n\n\t\t\tthis.boundingBox.union( _box3 );\n\n\t\t}\n\n\t}\n\n\tcomputeBoundingSphere() {\n\n\t\tconst geometry = this.geometry;\n\t\tconst count = this.count;\n\n\t\tif ( this.boundingSphere === null ) {\n\n\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t}\n\n\t\tif ( geometry.boundingSphere === null ) {\n\n\t\t\tgeometry.computeBoundingSphere();\n\n\t\t}\n\n\t\tthis.boundingSphere.makeEmpty();\n\n\t\tfor ( let i = 0; i < count; i ++ ) {\n\n\t\t\tthis.getMatrixAt( i, _instanceLocalMatrix );\n\n\t\t\t_sphere$4.copy( geometry.boundingSphere ).applyMatrix4( _instanceLocalMatrix );\n\n\t\t\tthis.boundingSphere.union( _sphere$4 );\n\n\t\t}\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.instanceMatrix.copy( source.instanceMatrix );\n\n\t\tif ( source.morphTexture !== null ) this.morphTexture = source.morphTexture.clone();\n\t\tif ( source.instanceColor !== null ) this.instanceColor = source.instanceColor.clone();\n\n\t\tthis.count = source.count;\n\n\t\tif ( source.boundingBox !== null ) this.boundingBox = source.boundingBox.clone();\n\t\tif ( source.boundingSphere !== null ) this.boundingSphere = source.boundingSphere.clone();\n\n\t\treturn this;\n\n\t}\n\n\tgetColorAt( index, color ) {\n\n\t\tcolor.fromArray( this.instanceColor.array, index * 3 );\n\n\t}\n\n\tgetMatrixAt( index, matrix ) {\n\n\t\tmatrix.fromArray( this.instanceMatrix.array, index * 16 );\n\n\t}\n\n\tgetMorphAt( index, object ) {\n\n\t\tconst objectInfluences = object.morphTargetInfluences;\n\n\t\tconst array = this.morphTexture.source.data.data;\n\n\t\tconst len = objectInfluences.length + 1; // All influences + the baseInfluenceSum\n\n\t\tconst dataIndex = index * len + 1; // Skip the baseInfluenceSum at the beginning\n\n\t\tfor ( let i = 0; i < objectInfluences.length; i ++ ) {\n\n\t\t\tobjectInfluences[ i ] = array[ dataIndex + i ];\n\n\t\t}\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst raycastTimes = this.count;\n\n\t\t_mesh$1.geometry = this.geometry;\n\t\t_mesh$1.material = this.material;\n\n\t\tif ( _mesh$1.material === undefined ) return;\n\n\t\t// test with bounding sphere first\n\n\t\tif ( this.boundingSphere === null ) this.computeBoundingSphere();\n\n\t\t_sphere$4.copy( this.boundingSphere );\n\t\t_sphere$4.applyMatrix4( matrixWorld );\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere$4 ) === false ) return;\n\n\t\t// now test each instance\n\n\t\tfor ( let instanceId = 0; instanceId < raycastTimes; instanceId ++ ) {\n\n\t\t\t// calculate the world matrix for each instance\n\n\t\t\tthis.getMatrixAt( instanceId, _instanceLocalMatrix );\n\n\t\t\t_instanceWorldMatrix.multiplyMatrices( matrixWorld, _instanceLocalMatrix );\n\n\t\t\t// the mesh represents this single instance\n\n\t\t\t_mesh$1.matrixWorld = _instanceWorldMatrix;\n\n\t\t\t_mesh$1.raycast( raycaster, _instanceIntersects );\n\n\t\t\t// process the result of raycast\n\n\t\t\tfor ( let i = 0, l = _instanceIntersects.length; i < l; i ++ ) {\n\n\t\t\t\tconst intersect = _instanceIntersects[ i ];\n\t\t\t\tintersect.instanceId = instanceId;\n\t\t\t\tintersect.object = this;\n\t\t\t\tintersects.push( intersect );\n\n\t\t\t}\n\n\t\t\t_instanceIntersects.length = 0;\n\n\t\t}\n\n\t}\n\n\tsetColorAt( index, color ) {\n\n\t\tif ( this.instanceColor === null ) {\n\n\t\t\tthis.instanceColor = new InstancedBufferAttribute( new Float32Array( this.instanceMatrix.count * 3 ).fill( 1 ), 3 );\n\n\t\t}\n\n\t\tcolor.toArray( this.instanceColor.array, index * 3 );\n\n\t}\n\n\tsetMatrixAt( index, matrix ) {\n\n\t\tmatrix.toArray( this.instanceMatrix.array, index * 16 );\n\n\t}\n\n\tsetMorphAt( index, object ) {\n\n\t\tconst objectInfluences = object.morphTargetInfluences;\n\n\t\tconst len = objectInfluences.length + 1; // morphBaseInfluence + all influences\n\n\t\tif ( this.morphTexture === null ) {\n\n\t\t\tthis.morphTexture = new DataTexture( new Float32Array( len * this.count ), len, this.count, RedFormat, FloatType );\n\n\t\t}\n\n\t\tconst array = this.morphTexture.source.data.data;\n\n\t\tlet morphInfluencesSum = 0;\n\n\t\tfor ( let i = 0; i < objectInfluences.length; i ++ ) {\n\n\t\t\tmorphInfluencesSum += objectInfluences[ i ];\n\n\t\t}\n\n\t\tconst morphBaseInfluence = this.geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum;\n\n\t\tconst dataIndex = len * index;\n\n\t\tarray[ dataIndex ] = morphBaseInfluence;\n\n\t\tarray.set( objectInfluences, dataIndex + 1 );\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\tif ( this.morphTexture !== null ) {\n\n\t\t\tthis.morphTexture.dispose();\n\t\t\tthis.morphTexture = null;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _vector1 = /*@__PURE__*/ new Vector3();\nconst _vector2 = /*@__PURE__*/ new Vector3();\nconst _normalMatrix = /*@__PURE__*/ new Matrix3();\n\nclass Plane {\n\n\tconstructor( normal = new Vector3( 1, 0, 0 ), constant = 0 ) {\n\n\t\tthis.isPlane = true;\n\n\t\t// normal is assumed to be normalized\n\n\t\tthis.normal = normal;\n\t\tthis.constant = constant;\n\n\t}\n\n\tset( normal, constant ) {\n\n\t\tthis.normal.copy( normal );\n\t\tthis.constant = constant;\n\n\t\treturn this;\n\n\t}\n\n\tsetComponents( x, y, z, w ) {\n\n\t\tthis.normal.set( x, y, z );\n\t\tthis.constant = w;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromNormalAndCoplanarPoint( normal, point ) {\n\n\t\tthis.normal.copy( normal );\n\t\tthis.constant = - point.dot( this.normal );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCoplanarPoints( a, b, c ) {\n\n\t\tconst normal = _vector1.subVectors( c, b ).cross( _vector2.subVectors( a, b ) ).normalize();\n\n\t\t// Q: should an error be thrown if normal is zero (e.g. degenerate plane)?\n\n\t\tthis.setFromNormalAndCoplanarPoint( normal, a );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( plane ) {\n\n\t\tthis.normal.copy( plane.normal );\n\t\tthis.constant = plane.constant;\n\n\t\treturn this;\n\n\t}\n\n\tnormalize() {\n\n\t\t// Note: will lead to a divide by zero if the plane is invalid.\n\n\t\tconst inverseNormalLength = 1.0 / this.normal.length();\n\t\tthis.normal.multiplyScalar( inverseNormalLength );\n\t\tthis.constant *= inverseNormalLength;\n\n\t\treturn this;\n\n\t}\n\n\tnegate() {\n\n\t\tthis.constant *= - 1;\n\t\tthis.normal.negate();\n\n\t\treturn this;\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn this.normal.dot( point ) + this.constant;\n\n\t}\n\n\tdistanceToSphere( sphere ) {\n\n\t\treturn this.distanceToPoint( sphere.center ) - sphere.radius;\n\n\t}\n\n\tprojectPoint( point, target ) {\n\n\t\treturn target.copy( point ).addScaledVector( this.normal, - this.distanceToPoint( point ) );\n\n\t}\n\n\tintersectLine( line, target ) {\n\n\t\tconst direction = line.delta( _vector1 );\n\n\t\tconst denominator = this.normal.dot( direction );\n\n\t\tif ( denominator === 0 ) {\n\n\t\t\t// line is coplanar, return origin\n\t\t\tif ( this.distanceToPoint( line.start ) === 0 ) {\n\n\t\t\t\treturn target.copy( line.start );\n\n\t\t\t}\n\n\t\t\t// Unsure if this is the correct method to handle this case.\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst t = - ( line.start.dot( this.normal ) + this.constant ) / denominator;\n\n\t\tif ( t < 0 || t > 1 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\treturn target.copy( line.start ).addScaledVector( direction, t );\n\n\t}\n\n\tintersectsLine( line ) {\n\n\t\t// Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it.\n\n\t\tconst startSign = this.distanceToPoint( line.start );\n\t\tconst endSign = this.distanceToPoint( line.end );\n\n\t\treturn ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 );\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\treturn box.intersectsPlane( this );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\treturn sphere.intersectsPlane( this );\n\n\t}\n\n\tcoplanarPoint( target ) {\n\n\t\treturn target.copy( this.normal ).multiplyScalar( - this.constant );\n\n\t}\n\n\tapplyMatrix4( matrix, optionalNormalMatrix ) {\n\n\t\tconst normalMatrix = optionalNormalMatrix || _normalMatrix.getNormalMatrix( matrix );\n\n\t\tconst referencePoint = this.coplanarPoint( _vector1 ).applyMatrix4( matrix );\n\n\t\tconst normal = this.normal.applyMatrix3( normalMatrix ).normalize();\n\n\t\tthis.constant = - referencePoint.dot( normal );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.constant -= offset.dot( this.normal );\n\n\t\treturn this;\n\n\t}\n\n\tequals( plane ) {\n\n\t\treturn plane.normal.equals( this.normal ) && ( plane.constant === this.constant );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _sphere$3 = /*@__PURE__*/ new Sphere();\nconst _vector$6 = /*@__PURE__*/ new Vector3();\n\nclass Frustum {\n\n\tconstructor( p0 = new Plane(), p1 = new Plane(), p2 = new Plane(), p3 = new Plane(), p4 = new Plane(), p5 = new Plane() ) {\n\n\t\tthis.planes = [ p0, p1, p2, p3, p4, p5 ];\n\n\t}\n\n\tset( p0, p1, p2, p3, p4, p5 ) {\n\n\t\tconst planes = this.planes;\n\n\t\tplanes[ 0 ].copy( p0 );\n\t\tplanes[ 1 ].copy( p1 );\n\t\tplanes[ 2 ].copy( p2 );\n\t\tplanes[ 3 ].copy( p3 );\n\t\tplanes[ 4 ].copy( p4 );\n\t\tplanes[ 5 ].copy( p5 );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( frustum ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tplanes[ i ].copy( frustum.planes[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromProjectionMatrix( m, coordinateSystem = WebGLCoordinateSystem ) {\n\n\t\tconst planes = this.planes;\n\t\tconst me = m.elements;\n\t\tconst me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ];\n\t\tconst me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ];\n\t\tconst me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ];\n\t\tconst me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ];\n\n\t\tplanes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize();\n\t\tplanes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize();\n\t\tplanes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize();\n\t\tplanes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize();\n\t\tplanes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize();\n\n\t\tif ( coordinateSystem === WebGLCoordinateSystem ) {\n\n\t\t\tplanes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize();\n\n\t\t} else if ( coordinateSystem === WebGPUCoordinateSystem ) {\n\n\t\t\tplanes[ 5 ].setComponents( me2, me6, me10, me14 ).normalize();\n\n\t\t} else {\n\n\t\t\tthrow new Error( 'THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: ' + coordinateSystem );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tintersectsObject( object ) {\n\n\t\tif ( object.boundingSphere !== undefined ) {\n\n\t\t\tif ( object.boundingSphere === null ) object.computeBoundingSphere();\n\n\t\t\t_sphere$3.copy( object.boundingSphere ).applyMatrix4( object.matrixWorld );\n\n\t\t} else {\n\n\t\t\tconst geometry = object.geometry;\n\n\t\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t\t_sphere$3.copy( geometry.boundingSphere ).applyMatrix4( object.matrixWorld );\n\n\t\t}\n\n\t\treturn this.intersectsSphere( _sphere$3 );\n\n\t}\n\n\tintersectsSprite( sprite ) {\n\n\t\t_sphere$3.center.set( 0, 0, 0 );\n\t\t_sphere$3.radius = 0.7071067811865476;\n\t\t_sphere$3.applyMatrix4( sprite.matrixWorld );\n\n\t\treturn this.intersectsSphere( _sphere$3 );\n\n\t}\n\n\tintersectsSphere( sphere ) {\n\n\t\tconst planes = this.planes;\n\t\tconst center = sphere.center;\n\t\tconst negRadius = - sphere.radius;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst distance = planes[ i ].distanceToPoint( center );\n\n\t\t\tif ( distance < negRadius ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tconst plane = planes[ i ];\n\n\t\t\t// corner at max distance\n\n\t\t\t_vector$6.x = plane.normal.x > 0 ? box.max.x : box.min.x;\n\t\t\t_vector$6.y = plane.normal.y > 0 ? box.max.y : box.min.y;\n\t\t\t_vector$6.z = plane.normal.z > 0 ? box.max.z : box.min.z;\n\n\t\t\tif ( plane.distanceToPoint( _vector$6 ) < 0 ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\tconst planes = this.planes;\n\n\t\tfor ( let i = 0; i < 6; i ++ ) {\n\n\t\t\tif ( planes[ i ].distanceToPoint( point ) < 0 ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nfunction ascIdSort( a, b ) {\n\n\treturn a - b;\n\n}\n\nfunction sortOpaque( a, b ) {\n\n\treturn a.z - b.z;\n\n}\n\nfunction sortTransparent( a, b ) {\n\n\treturn b.z - a.z;\n\n}\n\nclass MultiDrawRenderList {\n\n\tconstructor() {\n\n\t\tthis.index = 0;\n\t\tthis.pool = [];\n\t\tthis.list = [];\n\n\t}\n\n\tpush( start, count, z, index ) {\n\n\t\tconst pool = this.pool;\n\t\tconst list = this.list;\n\t\tif ( this.index >= pool.length ) {\n\n\t\t\tpool.push( {\n\n\t\t\t\tstart: - 1,\n\t\t\t\tcount: - 1,\n\t\t\t\tz: - 1,\n\t\t\t\tindex: - 1,\n\n\t\t\t} );\n\n\t\t}\n\n\t\tconst item = pool[ this.index ];\n\t\tlist.push( item );\n\t\tthis.index ++;\n\n\t\titem.start = start;\n\t\titem.count = count;\n\t\titem.z = z;\n\t\titem.index = index;\n\n\t}\n\n\treset() {\n\n\t\tthis.list.length = 0;\n\t\tthis.index = 0;\n\n\t}\n\n}\n\nconst _matrix$1 = /*@__PURE__*/ new Matrix4();\nconst _whiteColor = /*@__PURE__*/ new Color( 1, 1, 1 );\nconst _frustum = /*@__PURE__*/ new Frustum();\nconst _box$1 = /*@__PURE__*/ new Box3();\nconst _sphere$2 = /*@__PURE__*/ new Sphere();\nconst _vector$5 = /*@__PURE__*/ new Vector3();\nconst _forward = /*@__PURE__*/ new Vector3();\nconst _temp = /*@__PURE__*/ new Vector3();\nconst _renderList = /*@__PURE__*/ new MultiDrawRenderList();\nconst _mesh = /*@__PURE__*/ new Mesh();\nconst _batchIntersects = [];\n\n// copies data from attribute \"src\" into \"target\" starting at \"targetOffset\"\nfunction copyAttributeData( src, target, targetOffset = 0 ) {\n\n\tconst itemSize = target.itemSize;\n\tif ( src.isInterleavedBufferAttribute || src.array.constructor !== target.array.constructor ) {\n\n\t\t// use the component getters and setters if the array data cannot\n\t\t// be copied directly\n\t\tconst vertexCount = src.count;\n\t\tfor ( let i = 0; i < vertexCount; i ++ ) {\n\n\t\t\tfor ( let c = 0; c < itemSize; c ++ ) {\n\n\t\t\t\ttarget.setComponent( i + targetOffset, c, src.getComponent( i, c ) );\n\n\t\t\t}\n\n\t\t}\n\n\t} else {\n\n\t\t// faster copy approach using typed array set function\n\t\ttarget.array.set( src.array, targetOffset * itemSize );\n\n\t}\n\n\ttarget.needsUpdate = true;\n\n}\n\n// safely copies array contents to a potentially smaller array\nfunction copyArrayContents( src, target ) {\n\n\tif ( src.constructor !== target.constructor ) {\n\n\t\t// if arrays are of a different type (eg due to index size increasing) then data must be per-element copied\n\t\tconst len = Math.min( src.length, target.length );\n\t\tfor ( let i = 0; i < len; i ++ ) {\n\n\t\t\ttarget[ i ] = src[ i ];\n\n\t\t}\n\n\t} else {\n\n\t\t// if the arrays use the same data layout we can use a fast block copy\n\t\tconst len = Math.min( src.length, target.length );\n\t\ttarget.set( new src.constructor( src.buffer, 0, len ) );\n\n\t}\n\n}\n\nclass BatchedMesh extends Mesh {\n\n\tget maxInstanceCount() {\n\n\t\treturn this._maxInstanceCount;\n\n\t}\n\n\tget instanceCount() {\n\n\t\treturn this._instanceInfo.length - this._availableInstanceIds.length;\n\n\t}\n\n\tget unusedVertexCount() {\n\n\t\treturn this._maxVertexCount - this._nextVertexStart;\n\n\t}\n\n\tget unusedIndexCount() {\n\n\t\treturn this._maxIndexCount - this._nextIndexStart;\n\n\t}\n\n\tconstructor( maxInstanceCount, maxVertexCount, maxIndexCount = maxVertexCount * 2, material ) {\n\n\t\tsuper( new BufferGeometry(), material );\n\n\t\tthis.isBatchedMesh = true;\n\t\tthis.perObjectFrustumCulled = true;\n\t\tthis.sortObjects = true;\n\t\tthis.boundingBox = null;\n\t\tthis.boundingSphere = null;\n\t\tthis.customSort = null;\n\n\t\t// stores visible, active, and geometry id per instance and reserved buffer ranges for geometries\n\t\tthis._instanceInfo = [];\n\t\tthis._geometryInfo = [];\n\n\t\t// instance, geometry ids that have been set as inactive, and are available to be overwritten\n\t\tthis._availableInstanceIds = [];\n\t\tthis._availableGeometryIds = [];\n\n\t\t// used to track where the next point is that geometry should be inserted\n\t\tthis._nextIndexStart = 0;\n\t\tthis._nextVertexStart = 0;\n\t\tthis._geometryCount = 0;\n\n\t\t// flags\n\t\tthis._visibilityChanged = true;\n\t\tthis._geometryInitialized = false;\n\n\t\t// cached user options\n\t\tthis._maxInstanceCount = maxInstanceCount;\n\t\tthis._maxVertexCount = maxVertexCount;\n\t\tthis._maxIndexCount = maxIndexCount;\n\n\t\t// buffers for multi draw\n\t\tthis._multiDrawCounts = new Int32Array( maxInstanceCount );\n\t\tthis._multiDrawStarts = new Int32Array( maxInstanceCount );\n\t\tthis._multiDrawCount = 0;\n\t\tthis._multiDrawInstances = null;\n\n\t\t// Local matrix per geometry by using data texture\n\t\tthis._matricesTexture = null;\n\t\tthis._indirectTexture = null;\n\t\tthis._colorsTexture = null;\n\n\t\tthis._initMatricesTexture();\n\t\tthis._initIndirectTexture();\n\n\t}\n\n\t_initMatricesTexture() {\n\n\t\t// layout (1 matrix = 4 pixels)\n\t\t// RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4)\n\t\t// with 8x8 pixel texture max 16 matrices * 4 pixels = (8 * 8)\n\t\t// 16x16 pixel texture max 64 matrices * 4 pixels = (16 * 16)\n\t\t// 32x32 pixel texture max 256 matrices * 4 pixels = (32 * 32)\n\t\t// 64x64 pixel texture max 1024 matrices * 4 pixels = (64 * 64)\n\n\t\tlet size = Math.sqrt( this._maxInstanceCount * 4 ); // 4 pixels needed for 1 matrix\n\t\tsize = Math.ceil( size / 4 ) * 4;\n\t\tsize = Math.max( size, 4 );\n\n\t\tconst matricesArray = new Float32Array( size * size * 4 ); // 4 floats per RGBA pixel\n\t\tconst matricesTexture = new DataTexture( matricesArray, size, size, RGBAFormat, FloatType );\n\n\t\tthis._matricesTexture = matricesTexture;\n\n\t}\n\n\t_initIndirectTexture() {\n\n\t\tlet size = Math.sqrt( this._maxInstanceCount );\n\t\tsize = Math.ceil( size );\n\n\t\tconst indirectArray = new Uint32Array( size * size );\n\t\tconst indirectTexture = new DataTexture( indirectArray, size, size, RedIntegerFormat, UnsignedIntType );\n\n\t\tthis._indirectTexture = indirectTexture;\n\n\t}\n\n\t_initColorsTexture() {\n\n\t\tlet size = Math.sqrt( this._maxInstanceCount );\n\t\tsize = Math.ceil( size );\n\n\t\t// 4 floats per RGBA pixel initialized to white\n\t\tconst colorsArray = new Float32Array( size * size * 4 ).fill( 1 );\n\t\tconst colorsTexture = new DataTexture( colorsArray, size, size, RGBAFormat, FloatType );\n\t\tcolorsTexture.colorSpace = ColorManagement.workingColorSpace;\n\n\t\tthis._colorsTexture = colorsTexture;\n\n\t}\n\n\t_initializeGeometry( reference ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst maxVertexCount = this._maxVertexCount;\n\t\tconst maxIndexCount = this._maxIndexCount;\n\t\tif ( this._geometryInitialized === false ) {\n\n\t\t\tfor ( const attributeName in reference.attributes ) {\n\n\t\t\t\tconst srcAttribute = reference.getAttribute( attributeName );\n\t\t\t\tconst { array, itemSize, normalized } = srcAttribute;\n\n\t\t\t\tconst dstArray = new array.constructor( maxVertexCount * itemSize );\n\t\t\t\tconst dstAttribute = new BufferAttribute( dstArray, itemSize, normalized );\n\n\t\t\t\tgeometry.setAttribute( attributeName, dstAttribute );\n\n\t\t\t}\n\n\t\t\tif ( reference.getIndex() !== null ) {\n\n\t\t\t\t// Reserve last u16 index for primitive restart.\n\t\t\t\tconst indexArray = maxVertexCount > 65535\n\t\t\t\t\t? new Uint32Array( maxIndexCount )\n\t\t\t\t\t: new Uint16Array( maxIndexCount );\n\n\t\t\t\tgeometry.setIndex( new BufferAttribute( indexArray, 1 ) );\n\n\t\t\t}\n\n\t\t\tthis._geometryInitialized = true;\n\n\t\t}\n\n\t}\n\n\t// Make sure the geometry is compatible with the existing combined geometry attributes\n\t_validateGeometry( geometry ) {\n\n\t\t// check to ensure the geometries are using consistent attributes and indices\n\t\tconst batchGeometry = this.geometry;\n\t\tif ( Boolean( geometry.getIndex() ) !== Boolean( batchGeometry.getIndex() ) ) {\n\n\t\t\tthrow new Error( 'THREE.BatchedMesh: All geometries must consistently have \"index\".' );\n\n\t\t}\n\n\t\tfor ( const attributeName in batchGeometry.attributes ) {\n\n\t\t\tif ( ! geometry.hasAttribute( attributeName ) ) {\n\n\t\t\t\tthrow new Error( `THREE.BatchedMesh: Added geometry missing \"${ attributeName }\". All geometries must have consistent attributes.` );\n\n\t\t\t}\n\n\t\t\tconst srcAttribute = geometry.getAttribute( attributeName );\n\t\t\tconst dstAttribute = batchGeometry.getAttribute( attributeName );\n\t\t\tif ( srcAttribute.itemSize !== dstAttribute.itemSize || srcAttribute.normalized !== dstAttribute.normalized ) {\n\n\t\t\t\tthrow new Error( 'THREE.BatchedMesh: All attributes must have a consistent itemSize and normalized value.' );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tvalidateInstanceId( instanceId ) {\n\n\t\tconst instanceInfo = this._instanceInfo;\n\t\tif ( instanceId < 0 || instanceId >= instanceInfo.length || instanceInfo[ instanceId ].active === false ) {\n\n\t\t\tthrow new Error( `THREE.BatchedMesh: Invalid instanceId ${instanceId}. Instance is either out of range or has been deleted.` );\n\n\t\t}\n\n\t}\n\n\tvalidateGeometryId( geometryId ) {\n\n\t\tconst geometryInfoList = this._geometryInfo;\n\t\tif ( geometryId < 0 || geometryId >= geometryInfoList.length || geometryInfoList[ geometryId ].active === false ) {\n\n\t\t\tthrow new Error( `THREE.BatchedMesh: Invalid geometryId ${geometryId}. Geometry is either out of range or has been deleted.` );\n\n\t\t}\n\n\t}\n\n\n\tsetCustomSort( func ) {\n\n\t\tthis.customSort = func;\n\t\treturn this;\n\n\t}\n\n\tcomputeBoundingBox() {\n\n\t\tif ( this.boundingBox === null ) {\n\n\t\t\tthis.boundingBox = new Box3();\n\n\t\t}\n\n\t\tconst boundingBox = this.boundingBox;\n\t\tconst instanceInfo = this._instanceInfo;\n\n\t\tboundingBox.makeEmpty();\n\t\tfor ( let i = 0, l = instanceInfo.length; i < l; i ++ ) {\n\n\t\t\tif ( instanceInfo[ i ].active === false ) continue;\n\n\t\t\tconst geometryId = instanceInfo[ i ].geometryIndex;\n\t\t\tthis.getMatrixAt( i, _matrix$1 );\n\t\t\tthis.getBoundingBoxAt( geometryId, _box$1 ).applyMatrix4( _matrix$1 );\n\t\t\tboundingBox.union( _box$1 );\n\n\t\t}\n\n\t}\n\n\tcomputeBoundingSphere() {\n\n\t\tif ( this.boundingSphere === null ) {\n\n\t\t\tthis.boundingSphere = new Sphere();\n\n\t\t}\n\n\t\tconst boundingSphere = this.boundingSphere;\n\t\tconst instanceInfo = this._instanceInfo;\n\n\t\tboundingSphere.makeEmpty();\n\t\tfor ( let i = 0, l = instanceInfo.length; i < l; i ++ ) {\n\n\t\t\tif ( instanceInfo[ i ].active === false ) continue;\n\n\t\t\tconst geometryId = instanceInfo[ i ].geometryIndex;\n\t\t\tthis.getMatrixAt( i, _matrix$1 );\n\t\t\tthis.getBoundingSphereAt( geometryId, _sphere$2 ).applyMatrix4( _matrix$1 );\n\t\t\tboundingSphere.union( _sphere$2 );\n\n\t\t}\n\n\t}\n\n\taddInstance( geometryId ) {\n\n\t\tconst atCapacity = this._instanceInfo.length >= this.maxInstanceCount;\n\n\t\t// ensure we're not over geometry\n\t\tif ( atCapacity && this._availableInstanceIds.length === 0 ) {\n\n\t\t\tthrow new Error( 'THREE.BatchedMesh: Maximum item count reached.' );\n\n\t\t}\n\n\t\tconst instanceInfo = {\n\t\t\tvisible: true,\n\t\t\tactive: true,\n\t\t\tgeometryIndex: geometryId,\n\t\t};\n\n\t\tlet drawId = null;\n\n\t\t// Prioritize using previously freed instance ids\n\t\tif ( this._availableInstanceIds.length > 0 ) {\n\n\t\t\tthis._availableInstanceIds.sort( ascIdSort );\n\n\t\t\tdrawId = this._availableInstanceIds.shift();\n\t\t\tthis._instanceInfo[ drawId ] = instanceInfo;\n\n\t\t} else {\n\n\t\t\tdrawId = this._instanceInfo.length;\n\t\t\tthis._instanceInfo.push( instanceInfo );\n\n\t\t}\n\n\t\tconst matricesTexture = this._matricesTexture;\n\t\t_matrix$1.identity().toArray( matricesTexture.image.data, drawId * 16 );\n\t\tmatricesTexture.needsUpdate = true;\n\n\t\tconst colorsTexture = this._colorsTexture;\n\t\tif ( colorsTexture ) {\n\n\t\t\t_whiteColor.toArray( colorsTexture.image.data, drawId * 4 );\n\t\t\tcolorsTexture.needsUpdate = true;\n\n\t\t}\n\n\t\tthis._visibilityChanged = true;\n\t\treturn drawId;\n\n\t}\n\n\taddGeometry( geometry, reservedVertexCount = - 1, reservedIndexCount = - 1 ) {\n\n\t\tthis._initializeGeometry( geometry );\n\n\t\tthis._validateGeometry( geometry );\n\n\t\tconst geometryInfo = {\n\t\t\t// geometry information\n\t\t\tvertexStart: - 1,\n\t\t\tvertexCount: - 1,\n\t\t\treservedVertexCount: - 1,\n\n\t\t\tindexStart: - 1,\n\t\t\tindexCount: - 1,\n\t\t\treservedIndexCount: - 1,\n\n\t\t\t// draw range information\n\t\t\tstart: - 1,\n\t\t\tcount: - 1,\n\n\t\t\t// state\n\t\t\tboundingBox: null,\n\t\t\tboundingSphere: null,\n\t\t\tactive: true,\n\t\t};\n\n\t\tconst geometryInfoList = this._geometryInfo;\n\t\tgeometryInfo.vertexStart = this._nextVertexStart;\n\t\tgeometryInfo.reservedVertexCount = reservedVertexCount === - 1 ? geometry.getAttribute( 'position' ).count : reservedVertexCount;\n\n\t\tconst index = geometry.getIndex();\n\t\tconst hasIndex = index !== null;\n\t\tif ( hasIndex ) {\n\n\t\t\tgeometryInfo.indexStart = this._nextIndexStart;\n\t\t\tgeometryInfo.reservedIndexCount = reservedIndexCount === - 1 ? index.count : reservedIndexCount;\n\n\t\t}\n\n\t\tif (\n\t\t\tgeometryInfo.indexStart !== - 1 &&\n\t\t\tgeometryInfo.indexStart + geometryInfo.reservedIndexCount > this._maxIndexCount ||\n\t\t\tgeometryInfo.vertexStart + geometryInfo.reservedVertexCount > this._maxVertexCount\n\t\t) {\n\n\t\t\tthrow new Error( 'THREE.BatchedMesh: Reserved space request exceeds the maximum buffer size.' );\n\n\t\t}\n\n\t\t// update id\n\t\tlet geometryId;\n\t\tif ( this._availableGeometryIds.length > 0 ) {\n\n\t\t\tthis._availableGeometryIds.sort( ascIdSort );\n\n\t\t\tgeometryId = this._availableGeometryIds.shift();\n\t\t\tgeometryInfoList[ geometryId ] = geometryInfo;\n\n\n\t\t} else {\n\n\t\t\tgeometryId = this._geometryCount;\n\t\t\tthis._geometryCount ++;\n\t\t\tgeometryInfoList.push( geometryInfo );\n\n\t\t}\n\n\t\t// update the geometry\n\t\tthis.setGeometryAt( geometryId, geometry );\n\n\t\t// increment the next geometry position\n\t\tthis._nextIndexStart = geometryInfo.indexStart + geometryInfo.reservedIndexCount;\n\t\tthis._nextVertexStart = geometryInfo.vertexStart + geometryInfo.reservedVertexCount;\n\n\t\treturn geometryId;\n\n\t}\n\n\tsetGeometryAt( geometryId, geometry ) {\n\n\t\tif ( geometryId >= this._geometryCount ) {\n\n\t\t\tthrow new Error( 'THREE.BatchedMesh: Maximum geometry count reached.' );\n\n\t\t}\n\n\t\tthis._validateGeometry( geometry );\n\n\t\tconst batchGeometry = this.geometry;\n\t\tconst hasIndex = batchGeometry.getIndex() !== null;\n\t\tconst dstIndex = batchGeometry.getIndex();\n\t\tconst srcIndex = geometry.getIndex();\n\t\tconst geometryInfo = this._geometryInfo[ geometryId ];\n\t\tif (\n\t\t\thasIndex &&\n\t\t\tsrcIndex.count > geometryInfo.reservedIndexCount ||\n\t\t\tgeometry.attributes.position.count > geometryInfo.reservedVertexCount\n\t\t) {\n\n\t\t\tthrow new Error( 'THREE.BatchedMesh: Reserved space not large enough for provided geometry.' );\n\n\t\t}\n\n\t\t// copy geometry buffer data over\n\t\tconst vertexStart = geometryInfo.vertexStart;\n\t\tconst reservedVertexCount = geometryInfo.reservedVertexCount;\n\t\tgeometryInfo.vertexCount = geometry.getAttribute( 'position' ).count;\n\n\t\tfor ( const attributeName in batchGeometry.attributes ) {\n\n\t\t\t// copy attribute data\n\t\t\tconst srcAttribute = geometry.getAttribute( attributeName );\n\t\t\tconst dstAttribute = batchGeometry.getAttribute( attributeName );\n\t\t\tcopyAttributeData( srcAttribute, dstAttribute, vertexStart );\n\n\t\t\t// fill the rest in with zeroes\n\t\t\tconst itemSize = srcAttribute.itemSize;\n\t\t\tfor ( let i = srcAttribute.count, l = reservedVertexCount; i < l; i ++ ) {\n\n\t\t\t\tconst index = vertexStart + i;\n\t\t\t\tfor ( let c = 0; c < itemSize; c ++ ) {\n\n\t\t\t\t\tdstAttribute.setComponent( index, c, 0 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tdstAttribute.needsUpdate = true;\n\t\t\tdstAttribute.addUpdateRange( vertexStart * itemSize, reservedVertexCount * itemSize );\n\n\t\t}\n\n\t\t// copy index\n\t\tif ( hasIndex ) {\n\n\t\t\tconst indexStart = geometryInfo.indexStart;\n\t\t\tconst reservedIndexCount = geometryInfo.reservedIndexCount;\n\t\t\tgeometryInfo.indexCount = geometry.getIndex().count;\n\n\t\t\t// copy index data over\n\t\t\tfor ( let i = 0; i < srcIndex.count; i ++ ) {\n\n\t\t\t\tdstIndex.setX( indexStart + i, vertexStart + srcIndex.getX( i ) );\n\n\t\t\t}\n\n\t\t\t// fill the rest in with zeroes\n\t\t\tfor ( let i = srcIndex.count, l = reservedIndexCount; i < l; i ++ ) {\n\n\t\t\t\tdstIndex.setX( indexStart + i, vertexStart );\n\n\t\t\t}\n\n\t\t\tdstIndex.needsUpdate = true;\n\t\t\tdstIndex.addUpdateRange( indexStart, geometryInfo.reservedIndexCount );\n\n\t\t}\n\n\t\t// update the draw range\n\t\tgeometryInfo.start = hasIndex ? geometryInfo.indexStart : geometryInfo.vertexStart;\n\t\tgeometryInfo.count = hasIndex ? geometryInfo.indexCount : geometryInfo.vertexCount;\n\n\t\t// store the bounding boxes\n\t\tgeometryInfo.boundingBox = null;\n\t\tif ( geometry.boundingBox !== null ) {\n\n\t\t\tgeometryInfo.boundingBox = geometry.boundingBox.clone();\n\n\t\t}\n\n\t\tgeometryInfo.boundingSphere = null;\n\t\tif ( geometry.boundingSphere !== null ) {\n\n\t\t\tgeometryInfo.boundingSphere = geometry.boundingSphere.clone();\n\n\t\t}\n\n\t\tthis._visibilityChanged = true;\n\t\treturn geometryId;\n\n\t}\n\n\tdeleteGeometry( geometryId ) {\n\n\t\tconst geometryInfoList = this._geometryInfo;\n\t\tif ( geometryId >= geometryInfoList.length || geometryInfoList[ geometryId ].active === false ) {\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\t// delete any instances associated with this geometry\n\t\tconst instanceInfo = this._instanceInfo;\n\t\tfor ( let i = 0, l = instanceInfo.length; i < l; i ++ ) {\n\n\t\t\tif ( instanceInfo[ i ].active && instanceInfo[ i ].geometryIndex === geometryId ) {\n\n\t\t\t\tthis.deleteInstance( i );\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometryInfoList[ geometryId ].active = false;\n\t\tthis._availableGeometryIds.push( geometryId );\n\t\tthis._visibilityChanged = true;\n\n\t\treturn this;\n\n\t}\n\n\tdeleteInstance( instanceId ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\n\t\tthis._instanceInfo[ instanceId ].active = false;\n\t\tthis._availableInstanceIds.push( instanceId );\n\t\tthis._visibilityChanged = true;\n\n\t\treturn this;\n\n\t}\n\n\toptimize() {\n\n\t\t// track the next indices to copy data to\n\t\tlet nextVertexStart = 0;\n\t\tlet nextIndexStart = 0;\n\n\t\t// Iterate over all geometry ranges in order sorted from earliest in the geometry buffer to latest\n\t\t// in the geometry buffer. Because draw range objects can be reused there is no guarantee of their order.\n\t\tconst geometryInfoList = this._geometryInfo;\n\t\tconst indices = geometryInfoList\n\t\t\t.map( ( e, i ) => i )\n\t\t\t.sort( ( a, b ) => {\n\n\t\t\t\treturn geometryInfoList[ a ].vertexStart - geometryInfoList[ b ].vertexStart;\n\n\t\t\t} );\n\n\t\tconst geometry = this.geometry;\n\t\tfor ( let i = 0, l = geometryInfoList.length; i < l; i ++ ) {\n\n\t\t\t// if a geometry range is inactive then don't copy anything\n\t\t\tconst index = indices[ i ];\n\t\t\tconst geometryInfo = geometryInfoList[ index ];\n\t\t\tif ( geometryInfo.active === false ) {\n\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\t// if a geometry contains an index buffer then shift it, as well\n\t\t\tif ( geometry.index !== null ) {\n\n\t\t\t\tif ( geometryInfo.indexStart !== nextIndexStart ) {\n\n\t\t\t\t\tconst { indexStart, vertexStart, reservedIndexCount } = geometryInfo;\n\t\t\t\t\tconst index = geometry.index;\n\t\t\t\t\tconst array = index.array;\n\n\t\t\t\t\t// shift the index pointers based on how the vertex data will shift\n\t\t\t\t\t// adjusting the index must happen first so the original vertex start value is available\n\t\t\t\t\tconst elementDelta = nextVertexStart - vertexStart;\n\t\t\t\t\tfor ( let j = indexStart; j < indexStart + reservedIndexCount; j ++ ) {\n\n\t\t\t\t\t\tarray[ j ] = array[ j ] + elementDelta;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tindex.array.copyWithin( nextIndexStart, indexStart, indexStart + reservedIndexCount );\n\t\t\t\t\tindex.addUpdateRange( nextIndexStart, reservedIndexCount );\n\n\t\t\t\t\tgeometryInfo.indexStart = nextIndexStart;\n\n\t\t\t\t}\n\n\t\t\t\tnextIndexStart += geometryInfo.reservedIndexCount;\n\n\t\t\t}\n\n\t\t\t// if a geometry needs to be moved then copy attribute data to overwrite unused space\n\t\t\tif ( geometryInfo.vertexStart !== nextVertexStart ) {\n\n\t\t\t\tconst { vertexStart, reservedVertexCount } = geometryInfo;\n\t\t\t\tconst attributes = geometry.attributes;\n\t\t\t\tfor ( const key in attributes ) {\n\n\t\t\t\t\tconst attribute = attributes[ key ];\n\t\t\t\t\tconst { array, itemSize } = attribute;\n\t\t\t\t\tarray.copyWithin( nextVertexStart * itemSize, vertexStart * itemSize, ( vertexStart + reservedVertexCount ) * itemSize );\n\t\t\t\t\tattribute.addUpdateRange( nextVertexStart * itemSize, reservedVertexCount * itemSize );\n\n\t\t\t\t}\n\n\t\t\t\tgeometryInfo.vertexStart = nextVertexStart;\n\n\t\t\t}\n\n\t\t\tnextVertexStart += geometryInfo.reservedVertexCount;\n\t\t\tgeometryInfo.start = geometry.index ? geometryInfo.indexStart : geometryInfo.vertexStart;\n\n\t\t\t// step the next geometry points to the shifted position\n\t\t\tthis._nextIndexStart = geometry.index ? geometryInfo.indexStart + geometryInfo.reservedIndexCount : 0;\n\t\t\tthis._nextVertexStart = geometryInfo.vertexStart + geometryInfo.reservedVertexCount;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// get bounding box and compute it if it doesn't exist\n\tgetBoundingBoxAt( geometryId, target ) {\n\n\t\tif ( geometryId >= this._geometryCount ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// compute bounding box\n\t\tconst geometry = this.geometry;\n\t\tconst geometryInfo = this._geometryInfo[ geometryId ];\n\t\tif ( geometryInfo.boundingBox === null ) {\n\n\t\t\tconst box = new Box3();\n\t\t\tconst index = geometry.index;\n\t\t\tconst position = geometry.attributes.position;\n\t\t\tfor ( let i = geometryInfo.start, l = geometryInfo.start + geometryInfo.count; i < l; i ++ ) {\n\n\t\t\t\tlet iv = i;\n\t\t\t\tif ( index ) {\n\n\t\t\t\t\tiv = index.getX( iv );\n\n\t\t\t\t}\n\n\t\t\t\tbox.expandByPoint( _vector$5.fromBufferAttribute( position, iv ) );\n\n\t\t\t}\n\n\t\t\tgeometryInfo.boundingBox = box;\n\n\t\t}\n\n\t\ttarget.copy( geometryInfo.boundingBox );\n\t\treturn target;\n\n\t}\n\n\t// get bounding sphere and compute it if it doesn't exist\n\tgetBoundingSphereAt( geometryId, target ) {\n\n\t\tif ( geometryId >= this._geometryCount ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// compute bounding sphere\n\t\tconst geometry = this.geometry;\n\t\tconst geometryInfo = this._geometryInfo[ geometryId ];\n\t\tif ( geometryInfo.boundingSphere === null ) {\n\n\t\t\tconst sphere = new Sphere();\n\t\t\tthis.getBoundingBoxAt( geometryId, _box$1 );\n\t\t\t_box$1.getCenter( sphere.center );\n\n\t\t\tconst index = geometry.index;\n\t\t\tconst position = geometry.attributes.position;\n\n\t\t\tlet maxRadiusSq = 0;\n\t\t\tfor ( let i = geometryInfo.start, l = geometryInfo.start + geometryInfo.count; i < l; i ++ ) {\n\n\t\t\t\tlet iv = i;\n\t\t\t\tif ( index ) {\n\n\t\t\t\t\tiv = index.getX( iv );\n\n\t\t\t\t}\n\n\t\t\t\t_vector$5.fromBufferAttribute( position, iv );\n\t\t\t\tmaxRadiusSq = Math.max( maxRadiusSq, sphere.center.distanceToSquared( _vector$5 ) );\n\n\t\t\t}\n\n\t\t\tsphere.radius = Math.sqrt( maxRadiusSq );\n\t\t\tgeometryInfo.boundingSphere = sphere;\n\n\t\t}\n\n\t\ttarget.copy( geometryInfo.boundingSphere );\n\t\treturn target;\n\n\t}\n\n\tsetMatrixAt( instanceId, matrix ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\n\t\tconst matricesTexture = this._matricesTexture;\n\t\tconst matricesArray = this._matricesTexture.image.data;\n\t\tmatrix.toArray( matricesArray, instanceId * 16 );\n\t\tmatricesTexture.needsUpdate = true;\n\n\t\treturn this;\n\n\t}\n\n\tgetMatrixAt( instanceId, matrix ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\t\treturn matrix.fromArray( this._matricesTexture.image.data, instanceId * 16 );\n\n\t}\n\n\tsetColorAt( instanceId, color ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\n\t\tif ( this._colorsTexture === null ) {\n\n\t\t\tthis._initColorsTexture();\n\n\t\t}\n\n\t\tcolor.toArray( this._colorsTexture.image.data, instanceId * 4 );\n\t\tthis._colorsTexture.needsUpdate = true;\n\n\t\treturn this;\n\n\t}\n\n\tgetColorAt( instanceId, color ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\t\treturn color.fromArray( this._colorsTexture.image.data, instanceId * 4 );\n\n\t}\n\n\tsetVisibleAt( instanceId, value ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\n\t\tif ( this._instanceInfo[ instanceId ].visible === value ) {\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tthis._instanceInfo[ instanceId ].visible = value;\n\t\tthis._visibilityChanged = true;\n\n\t\treturn this;\n\n\t}\n\n\tgetVisibleAt( instanceId ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\n\t\treturn this._instanceInfo[ instanceId ].visible;\n\n\t}\n\n\tsetGeometryIdAt( instanceId, geometryId ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\t\tthis.validateGeometryId( geometryId );\n\n\t\tthis._instanceInfo[ instanceId ].geometryIndex = geometryId;\n\n\t\treturn this;\n\n\t}\n\n\tgetGeometryIdAt( instanceId ) {\n\n\t\tthis.validateInstanceId( instanceId );\n\n\t\treturn this._instanceInfo[ instanceId ].geometryIndex;\n\n\t}\n\n\tgetGeometryRangeAt( geometryId, target = {} ) {\n\n\t\tthis.validateGeometryId( geometryId );\n\n\t\tconst geometryInfo = this._geometryInfo[ geometryId ];\n\t\ttarget.vertexStart = geometryInfo.vertexStart;\n\t\ttarget.vertexCount = geometryInfo.vertexCount;\n\t\ttarget.reservedVertexCount = geometryInfo.reservedVertexCount;\n\n\t\ttarget.indexStart = geometryInfo.indexStart;\n\t\ttarget.indexCount = geometryInfo.indexCount;\n\t\ttarget.reservedIndexCount = geometryInfo.reservedIndexCount;\n\n\t\ttarget.start = geometryInfo.start;\n\t\ttarget.count = geometryInfo.count;\n\n\t\treturn target;\n\n\t}\n\n\tsetInstanceCount( maxInstanceCount ) {\n\n\t\t// shrink the available instances as much as possible\n\t\tconst availableInstanceIds = this._availableInstanceIds;\n\t\tconst instanceInfo = this._instanceInfo;\n\t\tavailableInstanceIds.sort( ascIdSort );\n\t\twhile ( availableInstanceIds[ availableInstanceIds.length - 1 ] === instanceInfo.length ) {\n\n\t\t\tinstanceInfo.pop();\n\t\t\tavailableInstanceIds.pop();\n\n\t\t}\n\n\t\t// throw an error if it can't be shrunk to the desired size\n\t\tif ( maxInstanceCount < instanceInfo.length ) {\n\n\t\t\tthrow new Error( `BatchedMesh: Instance ids outside the range ${ maxInstanceCount } are being used. Cannot shrink instance count.` );\n\n\t\t}\n\n\t\t// copy the multi draw counts\n\t\tconst multiDrawCounts = new Int32Array( maxInstanceCount );\n\t\tconst multiDrawStarts = new Int32Array( maxInstanceCount );\n\t\tcopyArrayContents( this._multiDrawCounts, multiDrawCounts );\n\t\tcopyArrayContents( this._multiDrawStarts, multiDrawStarts );\n\n\t\tthis._multiDrawCounts = multiDrawCounts;\n\t\tthis._multiDrawStarts = multiDrawStarts;\n\t\tthis._maxInstanceCount = maxInstanceCount;\n\n\t\t// update texture data for instance sampling\n\t\tconst indirectTexture = this._indirectTexture;\n\t\tconst matricesTexture = this._matricesTexture;\n\t\tconst colorsTexture = this._colorsTexture;\n\n\t\tindirectTexture.dispose();\n\t\tthis._initIndirectTexture();\n\t\tcopyArrayContents( indirectTexture.image.data, this._indirectTexture.image.data );\n\n\t\tmatricesTexture.dispose();\n\t\tthis._initMatricesTexture();\n\t\tcopyArrayContents( matricesTexture.image.data, this._matricesTexture.image.data );\n\n\t\tif ( colorsTexture ) {\n\n\t\t\tcolorsTexture.dispose();\n\t\t\tthis._initColorsTexture();\n\t\t\tcopyArrayContents( colorsTexture.image.data, this._colorsTexture.image.data );\n\n\t\t}\n\n\t}\n\n\tsetGeometrySize( maxVertexCount, maxIndexCount ) {\n\n\t\t// Check if we can shrink to the requested vertex attribute size\n\t\tconst validRanges = [ ...this._geometryInfo ].filter( info => info.active );\n\t\tconst requiredVertexLength = Math.max( ...validRanges.map( range => range.vertexStart + range.reservedVertexCount ) );\n\t\tif ( requiredVertexLength > maxVertexCount ) {\n\n\t\t\tthrow new Error( `BatchedMesh: Geometry vertex values are being used outside the range ${ maxIndexCount }. Cannot shrink further.` );\n\n\t\t}\n\n\t\t// Check if we can shrink to the requested index attribute size\n\t\tif ( this.geometry.index ) {\n\n\t\t\tconst requiredIndexLength = Math.max( ...validRanges.map( range => range.indexStart + range.reservedIndexCount ) );\n\t\t\tif ( requiredIndexLength > maxIndexCount ) {\n\n\t\t\t\tthrow new Error( `BatchedMesh: Geometry index values are being used outside the range ${ maxIndexCount }. Cannot shrink further.` );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\t// dispose of the previous geometry\n\t\tconst oldGeometry = this.geometry;\n\t\toldGeometry.dispose();\n\n\t\t// recreate the geometry needed based on the previous variant\n\t\tthis._maxVertexCount = maxVertexCount;\n\t\tthis._maxIndexCount = maxIndexCount;\n\n\t\tif ( this._geometryInitialized ) {\n\n\t\t\tthis._geometryInitialized = false;\n\t\t\tthis.geometry = new BufferGeometry();\n\t\t\tthis._initializeGeometry( oldGeometry );\n\n\t\t}\n\n\t\t// copy data from the previous geometry\n\t\tconst geometry = this.geometry;\n\t\tif ( oldGeometry.index ) {\n\n\t\t\tcopyArrayContents( oldGeometry.index.array, geometry.index.array );\n\n\t\t}\n\n\t\tfor ( const key in oldGeometry.attributes ) {\n\n\t\t\tcopyArrayContents( oldGeometry.attributes[ key ].array, geometry.attributes[ key ].array );\n\n\t\t}\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst instanceInfo = this._instanceInfo;\n\t\tconst geometryInfoList = this._geometryInfo;\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst batchGeometry = this.geometry;\n\n\t\t// iterate over each geometry\n\t\t_mesh.material = this.material;\n\t\t_mesh.geometry.index = batchGeometry.index;\n\t\t_mesh.geometry.attributes = batchGeometry.attributes;\n\t\tif ( _mesh.geometry.boundingBox === null ) {\n\n\t\t\t_mesh.geometry.boundingBox = new Box3();\n\n\t\t}\n\n\t\tif ( _mesh.geometry.boundingSphere === null ) {\n\n\t\t\t_mesh.geometry.boundingSphere = new Sphere();\n\n\t\t}\n\n\t\tfor ( let i = 0, l = instanceInfo.length; i < l; i ++ ) {\n\n\t\t\tif ( ! instanceInfo[ i ].visible || ! instanceInfo[ i ].active ) {\n\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tconst geometryId = instanceInfo[ i ].geometryIndex;\n\t\t\tconst geometryInfo = geometryInfoList[ geometryId ];\n\t\t\t_mesh.geometry.setDrawRange( geometryInfo.start, geometryInfo.count );\n\n\t\t\t// get the intersects\n\t\t\tthis.getMatrixAt( i, _mesh.matrixWorld ).premultiply( matrixWorld );\n\t\t\tthis.getBoundingBoxAt( geometryId, _mesh.geometry.boundingBox );\n\t\t\tthis.getBoundingSphereAt( geometryId, _mesh.geometry.boundingSphere );\n\t\t\t_mesh.raycast( raycaster, _batchIntersects );\n\n\t\t\t// add batch id to the intersects\n\t\t\tfor ( let j = 0, l = _batchIntersects.length; j < l; j ++ ) {\n\n\t\t\t\tconst intersect = _batchIntersects[ j ];\n\t\t\t\tintersect.object = this;\n\t\t\t\tintersect.batchId = i;\n\t\t\t\tintersects.push( intersect );\n\n\t\t\t}\n\n\t\t\t_batchIntersects.length = 0;\n\n\t\t}\n\n\t\t_mesh.material = null;\n\t\t_mesh.geometry.index = null;\n\t\t_mesh.geometry.attributes = {};\n\t\t_mesh.geometry.setDrawRange( 0, Infinity );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.geometry = source.geometry.clone();\n\t\tthis.perObjectFrustumCulled = source.perObjectFrustumCulled;\n\t\tthis.sortObjects = source.sortObjects;\n\t\tthis.boundingBox = source.boundingBox !== null ? source.boundingBox.clone() : null;\n\t\tthis.boundingSphere = source.boundingSphere !== null ? source.boundingSphere.clone() : null;\n\n\t\tthis._geometryInfo = source._geometryInfo.map( info => ( {\n\t\t\t...info,\n\n\t\t\tboundingBox: info.boundingBox !== null ? info.boundingBox.clone() : null,\n\t\t\tboundingSphere: info.boundingSphere !== null ? info.boundingSphere.clone() : null,\n\t\t} ) );\n\t\tthis._instanceInfo = source._instanceInfo.map( info => ( { ...info } ) );\n\n\t\tthis._maxInstanceCount = source._maxInstanceCount;\n\t\tthis._maxVertexCount = source._maxVertexCount;\n\t\tthis._maxIndexCount = source._maxIndexCount;\n\n\t\tthis._geometryInitialized = source._geometryInitialized;\n\t\tthis._geometryCount = source._geometryCount;\n\t\tthis._multiDrawCounts = source._multiDrawCounts.slice();\n\t\tthis._multiDrawStarts = source._multiDrawStarts.slice();\n\n\t\tthis._matricesTexture = source._matricesTexture.clone();\n\t\tthis._matricesTexture.image.data = this._matricesTexture.image.data.slice();\n\n\t\tif ( this._colorsTexture !== null ) {\n\n\t\t\tthis._colorsTexture = source._colorsTexture.clone();\n\t\t\tthis._colorsTexture.image.data = this._colorsTexture.image.data.slice();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\t// Assuming the geometry is not shared with other meshes\n\t\tthis.geometry.dispose();\n\n\t\tthis._matricesTexture.dispose();\n\t\tthis._matricesTexture = null;\n\n\t\tthis._indirectTexture.dispose();\n\t\tthis._indirectTexture = null;\n\n\t\tif ( this._colorsTexture !== null ) {\n\n\t\t\tthis._colorsTexture.dispose();\n\t\t\tthis._colorsTexture = null;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tonBeforeRender( renderer, scene, camera, geometry, material/*, _group*/ ) {\n\n\t\t// if visibility has not changed and frustum culling and object sorting is not required\n\t\t// then skip iterating over all items\n\t\tif ( ! this._visibilityChanged && ! this.perObjectFrustumCulled && ! this.sortObjects ) {\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t// the indexed version of the multi draw function requires specifying the start\n\t\t// offset in bytes.\n\t\tconst index = geometry.getIndex();\n\t\tconst bytesPerElement = index === null ? 1 : index.array.BYTES_PER_ELEMENT;\n\n\t\tconst instanceInfo = this._instanceInfo;\n\t\tconst multiDrawStarts = this._multiDrawStarts;\n\t\tconst multiDrawCounts = this._multiDrawCounts;\n\t\tconst geometryInfoList = this._geometryInfo;\n\t\tconst perObjectFrustumCulled = this.perObjectFrustumCulled;\n\t\tconst indirectTexture = this._indirectTexture;\n\t\tconst indirectArray = indirectTexture.image.data;\n\n\t\t// prepare the frustum in the local frame\n\t\tif ( perObjectFrustumCulled ) {\n\n\t\t\t_matrix$1\n\t\t\t\t.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse )\n\t\t\t\t.multiply( this.matrixWorld );\n\t\t\t_frustum.setFromProjectionMatrix(\n\t\t\t\t_matrix$1,\n\t\t\t\trenderer.coordinateSystem\n\t\t\t);\n\n\t\t}\n\n\t\tlet multiDrawCount = 0;\n\t\tif ( this.sortObjects ) {\n\n\t\t\t// get the camera position in the local frame\n\t\t\t_matrix$1.copy( this.matrixWorld ).invert();\n\t\t\t_vector$5.setFromMatrixPosition( camera.matrixWorld ).applyMatrix4( _matrix$1 );\n\t\t\t_forward.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld ).transformDirection( _matrix$1 );\n\n\t\t\tfor ( let i = 0, l = instanceInfo.length; i < l; i ++ ) {\n\n\t\t\t\tif ( instanceInfo[ i ].visible && instanceInfo[ i ].active ) {\n\n\t\t\t\t\tconst geometryId = instanceInfo[ i ].geometryIndex;\n\n\t\t\t\t\t// get the bounds in world space\n\t\t\t\t\tthis.getMatrixAt( i, _matrix$1 );\n\t\t\t\t\tthis.getBoundingSphereAt( geometryId, _sphere$2 ).applyMatrix4( _matrix$1 );\n\n\t\t\t\t\t// determine whether the batched geometry is within the frustum\n\t\t\t\t\tlet culled = false;\n\t\t\t\t\tif ( perObjectFrustumCulled ) {\n\n\t\t\t\t\t\tculled = ! _frustum.intersectsSphere( _sphere$2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! culled ) {\n\n\t\t\t\t\t\t// get the distance from camera used for sorting\n\t\t\t\t\t\tconst geometryInfo = geometryInfoList[ geometryId ];\n\t\t\t\t\t\tconst z = _temp.subVectors( _sphere$2.center, _vector$5 ).dot( _forward );\n\t\t\t\t\t\t_renderList.push( geometryInfo.start, geometryInfo.count, z, i );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Sort the draw ranges and prep for rendering\n\t\t\tconst list = _renderList.list;\n\t\t\tconst customSort = this.customSort;\n\t\t\tif ( customSort === null ) {\n\n\t\t\t\tlist.sort( material.transparent ? sortTransparent : sortOpaque );\n\n\t\t\t} else {\n\n\t\t\t\tcustomSort.call( this, list, camera );\n\n\t\t\t}\n\n\t\t\tfor ( let i = 0, l = list.length; i < l; i ++ ) {\n\n\t\t\t\tconst item = list[ i ];\n\t\t\t\tmultiDrawStarts[ multiDrawCount ] = item.start * bytesPerElement;\n\t\t\t\tmultiDrawCounts[ multiDrawCount ] = item.count;\n\t\t\t\tindirectArray[ multiDrawCount ] = item.index;\n\t\t\t\tmultiDrawCount ++;\n\n\t\t\t}\n\n\t\t\t_renderList.reset();\n\n\t\t} else {\n\n\t\t\tfor ( let i = 0, l = instanceInfo.length; i < l; i ++ ) {\n\n\t\t\t\tif ( instanceInfo[ i ].visible && instanceInfo[ i ].active ) {\n\n\t\t\t\t\tconst geometryId = instanceInfo[ i ].geometryIndex;\n\n\t\t\t\t\t// determine whether the batched geometry is within the frustum\n\t\t\t\t\tlet culled = false;\n\t\t\t\t\tif ( perObjectFrustumCulled ) {\n\n\t\t\t\t\t\t// get the bounds in world space\n\t\t\t\t\t\tthis.getMatrixAt( i, _matrix$1 );\n\t\t\t\t\t\tthis.getBoundingSphereAt( geometryId, _sphere$2 ).applyMatrix4( _matrix$1 );\n\t\t\t\t\t\tculled = ! _frustum.intersectsSphere( _sphere$2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! culled ) {\n\n\t\t\t\t\t\tconst geometryInfo = geometryInfoList[ geometryId ];\n\t\t\t\t\t\tmultiDrawStarts[ multiDrawCount ] = geometryInfo.start * bytesPerElement;\n\t\t\t\t\t\tmultiDrawCounts[ multiDrawCount ] = geometryInfo.count;\n\t\t\t\t\t\tindirectArray[ multiDrawCount ] = i;\n\t\t\t\t\t\tmultiDrawCount ++;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tindirectTexture.needsUpdate = true;\n\t\tthis._multiDrawCount = multiDrawCount;\n\t\tthis._visibilityChanged = false;\n\n\t}\n\n\tonBeforeShadow( renderer, object, camera, shadowCamera, geometry, depthMaterial/* , group */ ) {\n\n\t\tthis.onBeforeRender( renderer, null, shadowCamera, geometry, depthMaterial );\n\n\t}\n\n}\n\nclass LineBasicMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isLineBasicMaterial = true;\n\n\t\tthis.type = 'LineBasicMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.linewidth = 1;\n\t\tthis.linecap = 'round';\n\t\tthis.linejoin = 'round';\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.linewidth = source.linewidth;\n\t\tthis.linecap = source.linecap;\n\t\tthis.linejoin = source.linejoin;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _vStart = /*@__PURE__*/ new Vector3();\nconst _vEnd = /*@__PURE__*/ new Vector3();\n\nconst _inverseMatrix$1 = /*@__PURE__*/ new Matrix4();\nconst _ray$1 = /*@__PURE__*/ new Ray();\nconst _sphere$1 = /*@__PURE__*/ new Sphere();\n\nconst _intersectPointOnRay = /*@__PURE__*/ new Vector3();\nconst _intersectPointOnSegment = /*@__PURE__*/ new Vector3();\n\nclass Line extends Object3D {\n\n\tconstructor( geometry = new BufferGeometry(), material = new LineBasicMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.isLine = true;\n\n\t\tthis.type = 'Line';\n\n\t\tthis.geometry = geometry;\n\t\tthis.material = material;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.material = Array.isArray( source.material ) ? source.material.slice() : source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\tcomputeLineDistances() {\n\n\t\tconst geometry = this.geometry;\n\n\t\t// we assume non-indexed geometry\n\n\t\tif ( geometry.index === null ) {\n\n\t\t\tconst positionAttribute = geometry.attributes.position;\n\t\t\tconst lineDistances = [ 0 ];\n\n\t\t\tfor ( let i = 1, l = positionAttribute.count; i < l; i ++ ) {\n\n\t\t\t\t_vStart.fromBufferAttribute( positionAttribute, i - 1 );\n\t\t\t\t_vEnd.fromBufferAttribute( positionAttribute, i );\n\n\t\t\t\tlineDistances[ i ] = lineDistances[ i - 1 ];\n\t\t\t\tlineDistances[ i ] += _vStart.distanceTo( _vEnd );\n\n\t\t\t}\n\n\t\t\tgeometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) );\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst threshold = raycaster.params.Line.threshold;\n\t\tconst drawRange = geometry.drawRange;\n\n\t\t// Checking boundingSphere distance to ray\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere$1.copy( geometry.boundingSphere );\n\t\t_sphere$1.applyMatrix4( matrixWorld );\n\t\t_sphere$1.radius += threshold;\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere$1 ) === false ) return;\n\n\t\t//\n\n\t\t_inverseMatrix$1.copy( matrixWorld ).invert();\n\t\t_ray$1.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$1 );\n\n\t\tconst localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\tconst localThresholdSq = localThreshold * localThreshold;\n\n\t\tconst step = this.isLineSegments ? 2 : 1;\n\n\t\tconst index = geometry.index;\n\t\tconst attributes = geometry.attributes;\n\t\tconst positionAttribute = attributes.position;\n\n\t\tif ( index !== null ) {\n\n\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\tfor ( let i = start, l = end - 1; i < l; i += step ) {\n\n\t\t\t\tconst a = index.getX( i );\n\t\t\t\tconst b = index.getX( i + 1 );\n\n\t\t\t\tconst intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, a, b, i );\n\n\t\t\t\tif ( intersect ) {\n\n\t\t\t\t\tintersects.push( intersect );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.isLineLoop ) {\n\n\t\t\t\tconst a = index.getX( end - 1 );\n\t\t\t\tconst b = index.getX( start );\n\n\t\t\t\tconst intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, a, b, end - 1 );\n\n\t\t\t\tif ( intersect ) {\n\n\t\t\t\t\tintersects.push( intersect );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\tconst end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\tfor ( let i = start, l = end - 1; i < l; i += step ) {\n\n\t\t\t\tconst intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, i, i + 1, i );\n\n\t\t\t\tif ( intersect ) {\n\n\t\t\t\t\tintersects.push( intersect );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( this.isLineLoop ) {\n\n\t\t\t\tconst intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, end - 1, start, end - 1 );\n\n\t\t\t\tif ( intersect ) {\n\n\t\t\t\t\tintersects.push( intersect );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tconst morphAttributes = geometry.morphAttributes;\n\t\tconst keys = Object.keys( morphAttributes );\n\n\t\tif ( keys.length > 0 ) {\n\n\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nfunction checkIntersection( object, raycaster, ray, thresholdSq, a, b, i ) {\n\n\tconst positionAttribute = object.geometry.attributes.position;\n\n\t_vStart.fromBufferAttribute( positionAttribute, a );\n\t_vEnd.fromBufferAttribute( positionAttribute, b );\n\n\tconst distSq = ray.distanceSqToSegment( _vStart, _vEnd, _intersectPointOnRay, _intersectPointOnSegment );\n\n\tif ( distSq > thresholdSq ) return;\n\n\t_intersectPointOnRay.applyMatrix4( object.matrixWorld ); // Move back to world space for distance calculation\n\n\tconst distance = raycaster.ray.origin.distanceTo( _intersectPointOnRay );\n\n\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\treturn {\n\n\t\tdistance: distance,\n\t\t// What do we want? intersection point on the ray or on the segment??\n\t\t// point: raycaster.ray.at( distance ),\n\t\tpoint: _intersectPointOnSegment.clone().applyMatrix4( object.matrixWorld ),\n\t\tindex: i,\n\t\tface: null,\n\t\tfaceIndex: null,\n\t\tbarycoord: null,\n\t\tobject: object\n\n\t};\n\n}\n\nconst _start = /*@__PURE__*/ new Vector3();\nconst _end = /*@__PURE__*/ new Vector3();\n\nclass LineSegments extends Line {\n\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.isLineSegments = true;\n\n\t\tthis.type = 'LineSegments';\n\n\t}\n\n\tcomputeLineDistances() {\n\n\t\tconst geometry = this.geometry;\n\n\t\t// we assume non-indexed geometry\n\n\t\tif ( geometry.index === null ) {\n\n\t\t\tconst positionAttribute = geometry.attributes.position;\n\t\t\tconst lineDistances = [];\n\n\t\t\tfor ( let i = 0, l = positionAttribute.count; i < l; i += 2 ) {\n\n\t\t\t\t_start.fromBufferAttribute( positionAttribute, i );\n\t\t\t\t_end.fromBufferAttribute( positionAttribute, i + 1 );\n\n\t\t\t\tlineDistances[ i ] = ( i === 0 ) ? 0 : lineDistances[ i - 1 ];\n\t\t\t\tlineDistances[ i + 1 ] = lineDistances[ i ] + _start.distanceTo( _end );\n\n\t\t\t}\n\n\t\t\tgeometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) );\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass LineLoop extends Line {\n\n\tconstructor( geometry, material ) {\n\n\t\tsuper( geometry, material );\n\n\t\tthis.isLineLoop = true;\n\n\t\tthis.type = 'LineLoop';\n\n\t}\n\n}\n\nclass PointsMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isPointsMaterial = true;\n\n\t\tthis.type = 'PointsMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.size = 1;\n\t\tthis.sizeAttenuation = true;\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.size = source.size;\n\t\tthis.sizeAttenuation = source.sizeAttenuation;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _inverseMatrix = /*@__PURE__*/ new Matrix4();\nconst _ray = /*@__PURE__*/ new Ray();\nconst _sphere = /*@__PURE__*/ new Sphere();\nconst _position$2 = /*@__PURE__*/ new Vector3();\n\nclass Points extends Object3D {\n\n\tconstructor( geometry = new BufferGeometry(), material = new PointsMaterial() ) {\n\n\t\tsuper();\n\n\t\tthis.isPoints = true;\n\n\t\tthis.type = 'Points';\n\n\t\tthis.geometry = geometry;\n\t\tthis.material = material;\n\n\t\tthis.updateMorphTargets();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.material = Array.isArray( source.material ) ? source.material.slice() : source.material;\n\t\tthis.geometry = source.geometry;\n\n\t\treturn this;\n\n\t}\n\n\traycast( raycaster, intersects ) {\n\n\t\tconst geometry = this.geometry;\n\t\tconst matrixWorld = this.matrixWorld;\n\t\tconst threshold = raycaster.params.Points.threshold;\n\t\tconst drawRange = geometry.drawRange;\n\n\t\t// Checking boundingSphere distance to ray\n\n\t\tif ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();\n\n\t\t_sphere.copy( geometry.boundingSphere );\n\t\t_sphere.applyMatrix4( matrixWorld );\n\t\t_sphere.radius += threshold;\n\n\t\tif ( raycaster.ray.intersectsSphere( _sphere ) === false ) return;\n\n\t\t//\n\n\t\t_inverseMatrix.copy( matrixWorld ).invert();\n\t\t_ray.copy( raycaster.ray ).applyMatrix4( _inverseMatrix );\n\n\t\tconst localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );\n\t\tconst localThresholdSq = localThreshold * localThreshold;\n\n\t\tconst index = geometry.index;\n\t\tconst attributes = geometry.attributes;\n\t\tconst positionAttribute = attributes.position;\n\n\t\tif ( index !== null ) {\n\n\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\tconst end = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\tfor ( let i = start, il = end; i < il; i ++ ) {\n\n\t\t\t\tconst a = index.getX( i );\n\n\t\t\t\t_position$2.fromBufferAttribute( positionAttribute, a );\n\n\t\t\t\ttestPoint( _position$2, a, localThresholdSq, matrixWorld, raycaster, intersects, this );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconst start = Math.max( 0, drawRange.start );\n\t\t\tconst end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\tfor ( let i = start, l = end; i < l; i ++ ) {\n\n\t\t\t\t_position$2.fromBufferAttribute( positionAttribute, i );\n\n\t\t\t\ttestPoint( _position$2, i, localThresholdSq, matrixWorld, raycaster, intersects, this );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tupdateMorphTargets() {\n\n\t\tconst geometry = this.geometry;\n\n\t\tconst morphAttributes = geometry.morphAttributes;\n\t\tconst keys = Object.keys( morphAttributes );\n\n\t\tif ( keys.length > 0 ) {\n\n\t\t\tconst morphAttribute = morphAttributes[ keys[ 0 ] ];\n\n\t\t\tif ( morphAttribute !== undefined ) {\n\n\t\t\t\tthis.morphTargetInfluences = [];\n\t\t\t\tthis.morphTargetDictionary = {};\n\n\t\t\t\tfor ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {\n\n\t\t\t\t\tconst name = morphAttribute[ m ].name || String( m );\n\n\t\t\t\t\tthis.morphTargetInfluences.push( 0 );\n\t\t\t\t\tthis.morphTargetDictionary[ name ] = m;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}\n\nfunction testPoint( point, index, localThresholdSq, matrixWorld, raycaster, intersects, object ) {\n\n\tconst rayPointDistanceSq = _ray.distanceSqToPoint( point );\n\n\tif ( rayPointDistanceSq < localThresholdSq ) {\n\n\t\tconst intersectPoint = new Vector3();\n\n\t\t_ray.closestPointToPoint( point, intersectPoint );\n\t\tintersectPoint.applyMatrix4( matrixWorld );\n\n\t\tconst distance = raycaster.ray.origin.distanceTo( intersectPoint );\n\n\t\tif ( distance < raycaster.near || distance > raycaster.far ) return;\n\n\t\tintersects.push( {\n\n\t\t\tdistance: distance,\n\t\t\tdistanceToRay: Math.sqrt( rayPointDistanceSq ),\n\t\t\tpoint: intersectPoint,\n\t\t\tindex: index,\n\t\t\tface: null,\n\t\t\tfaceIndex: null,\n\t\t\tbarycoord: null,\n\t\t\tobject: object\n\n\t\t} );\n\n\t}\n\n}\n\nclass VideoTexture extends Texture {\n\n\tconstructor( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tsuper( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.isVideoTexture = true;\n\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : LinearFilter;\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : LinearFilter;\n\n\t\tthis.generateMipmaps = false;\n\n\t\tconst scope = this;\n\n\t\tfunction updateVideo() {\n\n\t\t\tscope.needsUpdate = true;\n\t\t\tvideo.requestVideoFrameCallback( updateVideo );\n\n\t\t}\n\n\t\tif ( 'requestVideoFrameCallback' in video ) {\n\n\t\t\tvideo.requestVideoFrameCallback( updateVideo );\n\n\t\t}\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor( this.image ).copy( this );\n\n\t}\n\n\tupdate() {\n\n\t\tconst video = this.image;\n\t\tconst hasVideoFrameCallback = 'requestVideoFrameCallback' in video;\n\n\t\tif ( hasVideoFrameCallback === false && video.readyState >= video.HAVE_CURRENT_DATA ) {\n\n\t\t\tthis.needsUpdate = true;\n\n\t\t}\n\n\t}\n\n}\n\nclass VideoFrameTexture extends VideoTexture {\n\n\tconstructor( mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tsuper( {}, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.isVideoFrameTexture = true;\n\n\t}\n\n\tupdate() {\n\n\t\t// overwrites `VideoTexture.update()` with an empty method since\n\t\t// this type of texture is updated via `setFrame()`.\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this ); // restoring Texture.clone()\n\n\t}\n\n\tsetFrame( frame ) {\n\n\t\tthis.image = frame;\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nclass FramebufferTexture extends Texture {\n\n\tconstructor( width, height ) {\n\n\t\tsuper( { width, height } );\n\n\t\tthis.isFramebufferTexture = true;\n\n\t\tthis.magFilter = NearestFilter;\n\t\tthis.minFilter = NearestFilter;\n\n\t\tthis.generateMipmaps = false;\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nclass CompressedTexture extends Texture {\n\n\tconstructor( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, colorSpace ) {\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace );\n\n\t\tthis.isCompressedTexture = true;\n\n\t\tthis.image = { width: width, height: height };\n\t\tthis.mipmaps = mipmaps;\n\n\t\t// no flipping for cube textures\n\t\t// (also flipping doesn't work for compressed textures )\n\n\t\tthis.flipY = false;\n\n\t\t// can't generate mipmaps for compressed textures\n\t\t// mips must be embedded in DDS files\n\n\t\tthis.generateMipmaps = false;\n\n\t}\n\n}\n\nclass CompressedArrayTexture extends CompressedTexture {\n\n\tconstructor( mipmaps, width, height, depth, format, type ) {\n\n\t\tsuper( mipmaps, width, height, format, type );\n\n\t\tthis.isCompressedArrayTexture = true;\n\t\tthis.image.depth = depth;\n\t\tthis.wrapR = ClampToEdgeWrapping;\n\n\t\tthis.layerUpdates = new Set();\n\n\t}\n\n\taddLayerUpdate( layerIndex ) {\n\n\t\tthis.layerUpdates.add( layerIndex );\n\n\t}\n\n\tclearLayerUpdates() {\n\n\t\tthis.layerUpdates.clear();\n\n\t}\n\n}\n\nclass CompressedCubeTexture extends CompressedTexture {\n\n\tconstructor( images, format, type ) {\n\n\t\tsuper( undefined, images[ 0 ].width, images[ 0 ].height, format, type, CubeReflectionMapping );\n\n\t\tthis.isCompressedCubeTexture = true;\n\t\tthis.isCubeTexture = true;\n\n\t\tthis.image = images;\n\n\t}\n\n}\n\nclass CanvasTexture extends Texture {\n\n\tconstructor( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {\n\n\t\tsuper( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.isCanvasTexture = true;\n\n\t\tthis.needsUpdate = true;\n\n\t}\n\n}\n\nclass DepthTexture extends Texture {\n\n\tconstructor( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format = DepthFormat ) {\n\n\t\tif ( format !== DepthFormat && format !== DepthStencilFormat ) {\n\n\t\t\tthrow new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' );\n\n\t\t}\n\n\t\tif ( type === undefined && format === DepthFormat ) type = UnsignedIntType;\n\t\tif ( type === undefined && format === DepthStencilFormat ) type = UnsignedInt248Type;\n\n\t\tsuper( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );\n\n\t\tthis.isDepthTexture = true;\n\n\t\tthis.image = { width: width, height: height };\n\n\t\tthis.magFilter = magFilter !== undefined ? magFilter : NearestFilter;\n\t\tthis.minFilter = minFilter !== undefined ? minFilter : NearestFilter;\n\n\t\tthis.flipY = false;\n\t\tthis.generateMipmaps = false;\n\n\t\tthis.compareFunction = null;\n\n\t}\n\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.compareFunction = source.compareFunction;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tif ( this.compareFunction !== null ) data.compareFunction = this.compareFunction;\n\n\t\treturn data;\n\n\t}\n\n}\n\n/**\n * Extensible curve object.\n *\n * Some common of curve methods:\n * .getPoint( t, optionalTarget ), .getTangent( t, optionalTarget )\n * .getPointAt( u, optionalTarget ), .getTangentAt( u, optionalTarget )\n * .getPoints(), .getSpacedPoints()\n * .getLength()\n * .updateArcLengths()\n *\n * This following curves inherit from THREE.Curve:\n *\n * -- 2D curves --\n * THREE.ArcCurve\n * THREE.CubicBezierCurve\n * THREE.EllipseCurve\n * THREE.LineCurve\n * THREE.QuadraticBezierCurve\n * THREE.SplineCurve\n *\n * -- 3D curves --\n * THREE.CatmullRomCurve3\n * THREE.CubicBezierCurve3\n * THREE.LineCurve3\n * THREE.QuadraticBezierCurve3\n *\n * A series of curves can be represented as a THREE.CurvePath.\n *\n **/\n\nclass Curve {\n\n\tconstructor() {\n\n\t\tthis.type = 'Curve';\n\n\t\tthis.arcLengthDivisions = 200;\n\n\t}\n\n\t// Virtual base class method to overwrite and implement in subclasses\n\t//\t- t [0 .. 1]\n\n\tgetPoint( /* t, optionalTarget */ ) {\n\n\t\tconsole.warn( 'THREE.Curve: .getPoint() not implemented.' );\n\t\treturn null;\n\n\t}\n\n\t// Get point at relative position in curve according to arc length\n\t// - u [0 .. 1]\n\n\tgetPointAt( u, optionalTarget ) {\n\n\t\tconst t = this.getUtoTmapping( u );\n\t\treturn this.getPoint( t, optionalTarget );\n\n\t}\n\n\t// Get sequence of points using getPoint( t )\n\n\tgetPoints( divisions = 5 ) {\n\n\t\tconst points = [];\n\n\t\tfor ( let d = 0; d <= divisions; d ++ ) {\n\n\t\t\tpoints.push( this.getPoint( d / divisions ) );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\t// Get sequence of points using getPointAt( u )\n\n\tgetSpacedPoints( divisions = 5 ) {\n\n\t\tconst points = [];\n\n\t\tfor ( let d = 0; d <= divisions; d ++ ) {\n\n\t\t\tpoints.push( this.getPointAt( d / divisions ) );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\t// Get total curve arc length\n\n\tgetLength() {\n\n\t\tconst lengths = this.getLengths();\n\t\treturn lengths[ lengths.length - 1 ];\n\n\t}\n\n\t// Get list of cumulative segment lengths\n\n\tgetLengths( divisions = this.arcLengthDivisions ) {\n\n\t\tif ( this.cacheArcLengths &&\n\t\t\t( this.cacheArcLengths.length === divisions + 1 ) &&\n\t\t\t! this.needsUpdate ) {\n\n\t\t\treturn this.cacheArcLengths;\n\n\t\t}\n\n\t\tthis.needsUpdate = false;\n\n\t\tconst cache = [];\n\t\tlet current, last = this.getPoint( 0 );\n\t\tlet sum = 0;\n\n\t\tcache.push( 0 );\n\n\t\tfor ( let p = 1; p <= divisions; p ++ ) {\n\n\t\t\tcurrent = this.getPoint( p / divisions );\n\t\t\tsum += current.distanceTo( last );\n\t\t\tcache.push( sum );\n\t\t\tlast = current;\n\n\t\t}\n\n\t\tthis.cacheArcLengths = cache;\n\n\t\treturn cache; // { sums: cache, sum: sum }; Sum is in the last element.\n\n\t}\n\n\tupdateArcLengths() {\n\n\t\tthis.needsUpdate = true;\n\t\tthis.getLengths();\n\n\t}\n\n\t// Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant\n\n\tgetUtoTmapping( u, distance ) {\n\n\t\tconst arcLengths = this.getLengths();\n\n\t\tlet i = 0;\n\t\tconst il = arcLengths.length;\n\n\t\tlet targetArcLength; // The targeted u distance value to get\n\n\t\tif ( distance ) {\n\n\t\t\ttargetArcLength = distance;\n\n\t\t} else {\n\n\t\t\ttargetArcLength = u * arcLengths[ il - 1 ];\n\n\t\t}\n\n\t\t// binary search for the index with largest value smaller than target u distance\n\n\t\tlet low = 0, high = il - 1, comparison;\n\n\t\twhile ( low <= high ) {\n\n\t\t\ti = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats\n\n\t\t\tcomparison = arcLengths[ i ] - targetArcLength;\n\n\t\t\tif ( comparison < 0 ) {\n\n\t\t\t\tlow = i + 1;\n\n\t\t\t} else if ( comparison > 0 ) {\n\n\t\t\t\thigh = i - 1;\n\n\t\t\t} else {\n\n\t\t\t\thigh = i;\n\t\t\t\tbreak;\n\n\t\t\t\t// DONE\n\n\t\t\t}\n\n\t\t}\n\n\t\ti = high;\n\n\t\tif ( arcLengths[ i ] === targetArcLength ) {\n\n\t\t\treturn i / ( il - 1 );\n\n\t\t}\n\n\t\t// we could get finer grain at lengths, or use simple interpolation between two points\n\n\t\tconst lengthBefore = arcLengths[ i ];\n\t\tconst lengthAfter = arcLengths[ i + 1 ];\n\n\t\tconst segmentLength = lengthAfter - lengthBefore;\n\n\t\t// determine where we are between the 'before' and 'after' points\n\n\t\tconst segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength;\n\n\t\t// add that fractional amount to t\n\n\t\tconst t = ( i + segmentFraction ) / ( il - 1 );\n\n\t\treturn t;\n\n\t}\n\n\t// Returns a unit vector tangent at t\n\t// In case any sub curve does not implement its tangent derivation,\n\t// 2 points a small delta apart will be used to find its gradient\n\t// which seems to give a reasonable approximation\n\n\tgetTangent( t, optionalTarget ) {\n\n\t\tconst delta = 0.0001;\n\t\tlet t1 = t - delta;\n\t\tlet t2 = t + delta;\n\n\t\t// Capping in case of danger\n\n\t\tif ( t1 < 0 ) t1 = 0;\n\t\tif ( t2 > 1 ) t2 = 1;\n\n\t\tconst pt1 = this.getPoint( t1 );\n\t\tconst pt2 = this.getPoint( t2 );\n\n\t\tconst tangent = optionalTarget || ( ( pt1.isVector2 ) ? new Vector2() : new Vector3() );\n\n\t\ttangent.copy( pt2 ).sub( pt1 ).normalize();\n\n\t\treturn tangent;\n\n\t}\n\n\tgetTangentAt( u, optionalTarget ) {\n\n\t\tconst t = this.getUtoTmapping( u );\n\t\treturn this.getTangent( t, optionalTarget );\n\n\t}\n\n\tcomputeFrenetFrames( segments, closed ) {\n\n\t\t// see http://www.cs.indiana.edu/pub/techreports/TR425.pdf\n\n\t\tconst normal = new Vector3();\n\n\t\tconst tangents = [];\n\t\tconst normals = [];\n\t\tconst binormals = [];\n\n\t\tconst vec = new Vector3();\n\t\tconst mat = new Matrix4();\n\n\t\t// compute the tangent vectors for each segment on the curve\n\n\t\tfor ( let i = 0; i <= segments; i ++ ) {\n\n\t\t\tconst u = i / segments;\n\n\t\t\ttangents[ i ] = this.getTangentAt( u, new Vector3() );\n\n\t\t}\n\n\t\t// select an initial normal vector perpendicular to the first tangent vector,\n\t\t// and in the direction of the minimum tangent xyz component\n\n\t\tnormals[ 0 ] = new Vector3();\n\t\tbinormals[ 0 ] = new Vector3();\n\t\tlet min = Number.MAX_VALUE;\n\t\tconst tx = Math.abs( tangents[ 0 ].x );\n\t\tconst ty = Math.abs( tangents[ 0 ].y );\n\t\tconst tz = Math.abs( tangents[ 0 ].z );\n\n\t\tif ( tx <= min ) {\n\n\t\t\tmin = tx;\n\t\t\tnormal.set( 1, 0, 0 );\n\n\t\t}\n\n\t\tif ( ty <= min ) {\n\n\t\t\tmin = ty;\n\t\t\tnormal.set( 0, 1, 0 );\n\n\t\t}\n\n\t\tif ( tz <= min ) {\n\n\t\t\tnormal.set( 0, 0, 1 );\n\n\t\t}\n\n\t\tvec.crossVectors( tangents[ 0 ], normal ).normalize();\n\n\t\tnormals[ 0 ].crossVectors( tangents[ 0 ], vec );\n\t\tbinormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] );\n\n\n\t\t// compute the slowly-varying normal and binormal vectors for each segment on the curve\n\n\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\tnormals[ i ] = normals[ i - 1 ].clone();\n\n\t\t\tbinormals[ i ] = binormals[ i - 1 ].clone();\n\n\t\t\tvec.crossVectors( tangents[ i - 1 ], tangents[ i ] );\n\n\t\t\tif ( vec.length() > Number.EPSILON ) {\n\n\t\t\t\tvec.normalize();\n\n\t\t\t\tconst theta = Math.acos( clamp( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors\n\n\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) );\n\n\t\t\t}\n\n\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t}\n\n\t\t// if the curve is closed, postprocess the vectors so the first and last normal vectors are the same\n\n\t\tif ( closed === true ) {\n\n\t\t\tlet theta = Math.acos( clamp( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) );\n\t\t\ttheta /= segments;\n\n\t\t\tif ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) {\n\n\t\t\t\ttheta = - theta;\n\n\t\t\t}\n\n\t\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\t\t// twist a little...\n\t\t\t\tnormals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) );\n\t\t\t\tbinormals[ i ].crossVectors( tangents[ i ], normals[ i ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn {\n\t\t\ttangents: tangents,\n\t\t\tnormals: normals,\n\t\t\tbinormals: binormals\n\t\t};\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.arcLengthDivisions = source.arcLengthDivisions;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = {\n\t\t\tmetadata: {\n\t\t\t\tversion: 4.6,\n\t\t\t\ttype: 'Curve',\n\t\t\t\tgenerator: 'Curve.toJSON'\n\t\t\t}\n\t\t};\n\n\t\tdata.arcLengthDivisions = this.arcLengthDivisions;\n\t\tdata.type = this.type;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tthis.arcLengthDivisions = json.arcLengthDivisions;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass EllipseCurve extends Curve {\n\n\tconstructor( aX = 0, aY = 0, xRadius = 1, yRadius = 1, aStartAngle = 0, aEndAngle = Math.PI * 2, aClockwise = false, aRotation = 0 ) {\n\n\t\tsuper();\n\n\t\tthis.isEllipseCurve = true;\n\n\t\tthis.type = 'EllipseCurve';\n\n\t\tthis.aX = aX;\n\t\tthis.aY = aY;\n\n\t\tthis.xRadius = xRadius;\n\t\tthis.yRadius = yRadius;\n\n\t\tthis.aStartAngle = aStartAngle;\n\t\tthis.aEndAngle = aEndAngle;\n\n\t\tthis.aClockwise = aClockwise;\n\n\t\tthis.aRotation = aRotation;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst twoPi = Math.PI * 2;\n\t\tlet deltaAngle = this.aEndAngle - this.aStartAngle;\n\t\tconst samePoints = Math.abs( deltaAngle ) < Number.EPSILON;\n\n\t\t// ensures that deltaAngle is 0 .. 2 PI\n\t\twhile ( deltaAngle < 0 ) deltaAngle += twoPi;\n\t\twhile ( deltaAngle > twoPi ) deltaAngle -= twoPi;\n\n\t\tif ( deltaAngle < Number.EPSILON ) {\n\n\t\t\tif ( samePoints ) {\n\n\t\t\t\tdeltaAngle = 0;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( this.aClockwise === true && ! samePoints ) {\n\n\t\t\tif ( deltaAngle === twoPi ) {\n\n\t\t\t\tdeltaAngle = - twoPi;\n\n\t\t\t} else {\n\n\t\t\t\tdeltaAngle = deltaAngle - twoPi;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst angle = this.aStartAngle + t * deltaAngle;\n\t\tlet x = this.aX + this.xRadius * Math.cos( angle );\n\t\tlet y = this.aY + this.yRadius * Math.sin( angle );\n\n\t\tif ( this.aRotation !== 0 ) {\n\n\t\t\tconst cos = Math.cos( this.aRotation );\n\t\t\tconst sin = Math.sin( this.aRotation );\n\n\t\t\tconst tx = x - this.aX;\n\t\t\tconst ty = y - this.aY;\n\n\t\t\t// Rotate the point about the center of the ellipse.\n\t\t\tx = tx * cos - ty * sin + this.aX;\n\t\t\ty = tx * sin + ty * cos + this.aY;\n\n\t\t}\n\n\t\treturn point.set( x, y );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.aX = source.aX;\n\t\tthis.aY = source.aY;\n\n\t\tthis.xRadius = source.xRadius;\n\t\tthis.yRadius = source.yRadius;\n\n\t\tthis.aStartAngle = source.aStartAngle;\n\t\tthis.aEndAngle = source.aEndAngle;\n\n\t\tthis.aClockwise = source.aClockwise;\n\n\t\tthis.aRotation = source.aRotation;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.aX = this.aX;\n\t\tdata.aY = this.aY;\n\n\t\tdata.xRadius = this.xRadius;\n\t\tdata.yRadius = this.yRadius;\n\n\t\tdata.aStartAngle = this.aStartAngle;\n\t\tdata.aEndAngle = this.aEndAngle;\n\n\t\tdata.aClockwise = this.aClockwise;\n\n\t\tdata.aRotation = this.aRotation;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.aX = json.aX;\n\t\tthis.aY = json.aY;\n\n\t\tthis.xRadius = json.xRadius;\n\t\tthis.yRadius = json.yRadius;\n\n\t\tthis.aStartAngle = json.aStartAngle;\n\t\tthis.aEndAngle = json.aEndAngle;\n\n\t\tthis.aClockwise = json.aClockwise;\n\n\t\tthis.aRotation = json.aRotation;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass ArcCurve extends EllipseCurve {\n\n\tconstructor( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tsuper( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\tthis.isArcCurve = true;\n\n\t\tthis.type = 'ArcCurve';\n\n\t}\n\n}\n\n/**\n * Centripetal CatmullRom Curve - which is useful for avoiding\n * cusps and self-intersections in non-uniform catmull rom curves.\n * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf\n *\n * curve.type accepts centripetal(default), chordal and catmullrom\n * curve.tension is used for catmullrom which defaults to 0.5\n */\n\n\n/*\nBased on an optimized c++ solution in\n - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/\n - http://ideone.com/NoEbVM\n\nThis CubicPoly class could be used for reusing some variables and calculations,\nbut for three.js curve use, it could be possible inlined and flatten into a single function call\nwhich can be placed in CurveUtils.\n*/\n\nfunction CubicPoly() {\n\n\tlet c0 = 0, c1 = 0, c2 = 0, c3 = 0;\n\n\t/*\n\t * Compute coefficients for a cubic polynomial\n\t * p(s) = c0 + c1*s + c2*s^2 + c3*s^3\n\t * such that\n\t * p(0) = x0, p(1) = x1\n\t * and\n\t * p'(0) = t0, p'(1) = t1.\n\t */\n\tfunction init( x0, x1, t0, t1 ) {\n\n\t\tc0 = x0;\n\t\tc1 = t0;\n\t\tc2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1;\n\t\tc3 = 2 * x0 - 2 * x1 + t0 + t1;\n\n\t}\n\n\treturn {\n\n\t\tinitCatmullRom: function ( x0, x1, x2, x3, tension ) {\n\n\t\t\tinit( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) );\n\n\t\t},\n\n\t\tinitNonuniformCatmullRom: function ( x0, x1, x2, x3, dt0, dt1, dt2 ) {\n\n\t\t\t// compute tangents when parameterized in [t1,t2]\n\t\t\tlet t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1;\n\t\t\tlet t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2;\n\n\t\t\t// rescale tangents for parametrization in [0,1]\n\t\t\tt1 *= dt1;\n\t\t\tt2 *= dt1;\n\n\t\t\tinit( x1, x2, t1, t2 );\n\n\t\t},\n\n\t\tcalc: function ( t ) {\n\n\t\t\tconst t2 = t * t;\n\t\t\tconst t3 = t2 * t;\n\t\t\treturn c0 + c1 * t + c2 * t2 + c3 * t3;\n\n\t\t}\n\n\t};\n\n}\n\n//\n\nconst tmp = /*@__PURE__*/ new Vector3();\nconst px = /*@__PURE__*/ new CubicPoly();\nconst py = /*@__PURE__*/ new CubicPoly();\nconst pz = /*@__PURE__*/ new CubicPoly();\n\nclass CatmullRomCurve3 extends Curve {\n\n\tconstructor( points = [], closed = false, curveType = 'centripetal', tension = 0.5 ) {\n\n\t\tsuper();\n\n\t\tthis.isCatmullRomCurve3 = true;\n\n\t\tthis.type = 'CatmullRomCurve3';\n\n\t\tthis.points = points;\n\t\tthis.closed = closed;\n\t\tthis.curveType = curveType;\n\t\tthis.tension = tension;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst points = this.points;\n\t\tconst l = points.length;\n\n\t\tconst p = ( l - ( this.closed ? 0 : 1 ) ) * t;\n\t\tlet intPoint = Math.floor( p );\n\t\tlet weight = p - intPoint;\n\n\t\tif ( this.closed ) {\n\n\t\t\tintPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / l ) + 1 ) * l;\n\n\t\t} else if ( weight === 0 && intPoint === l - 1 ) {\n\n\t\t\tintPoint = l - 2;\n\t\t\tweight = 1;\n\n\t\t}\n\n\t\tlet p0, p3; // 4 points (p1 & p2 defined below)\n\n\t\tif ( this.closed || intPoint > 0 ) {\n\n\t\t\tp0 = points[ ( intPoint - 1 ) % l ];\n\n\t\t} else {\n\n\t\t\t// extrapolate first point\n\t\t\ttmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] );\n\t\t\tp0 = tmp;\n\n\t\t}\n\n\t\tconst p1 = points[ intPoint % l ];\n\t\tconst p2 = points[ ( intPoint + 1 ) % l ];\n\n\t\tif ( this.closed || intPoint + 2 < l ) {\n\n\t\t\tp3 = points[ ( intPoint + 2 ) % l ];\n\n\t\t} else {\n\n\t\t\t// extrapolate last point\n\t\t\ttmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] );\n\t\t\tp3 = tmp;\n\n\t\t}\n\n\t\tif ( this.curveType === 'centripetal' || this.curveType === 'chordal' ) {\n\n\t\t\t// init Centripetal / Chordal Catmull-Rom\n\t\t\tconst pow = this.curveType === 'chordal' ? 0.5 : 0.25;\n\t\t\tlet dt0 = Math.pow( p0.distanceToSquared( p1 ), pow );\n\t\t\tlet dt1 = Math.pow( p1.distanceToSquared( p2 ), pow );\n\t\t\tlet dt2 = Math.pow( p2.distanceToSquared( p3 ), pow );\n\n\t\t\t// safety check for repeated points\n\t\t\tif ( dt1 < 1e-4 ) dt1 = 1.0;\n\t\t\tif ( dt0 < 1e-4 ) dt0 = dt1;\n\t\t\tif ( dt2 < 1e-4 ) dt2 = dt1;\n\n\t\t\tpx.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 );\n\t\t\tpy.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 );\n\t\t\tpz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 );\n\n\t\t} else if ( this.curveType === 'catmullrom' ) {\n\n\t\t\tpx.initCatmullRom( p0.x, p1.x, p2.x, p3.x, this.tension );\n\t\t\tpy.initCatmullRom( p0.y, p1.y, p2.y, p3.y, this.tension );\n\t\t\tpz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, this.tension );\n\n\t\t}\n\n\t\tpoint.set(\n\t\t\tpx.calc( weight ),\n\t\t\tpy.calc( weight ),\n\t\t\tpz.calc( weight )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = source.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = source.points[ i ];\n\n\t\t\tthis.points.push( point.clone() );\n\n\t\t}\n\n\t\tthis.closed = source.closed;\n\t\tthis.curveType = source.curveType;\n\t\tthis.tension = source.tension;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.points = [];\n\n\t\tfor ( let i = 0, l = this.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = this.points[ i ];\n\t\t\tdata.points.push( point.toArray() );\n\n\t\t}\n\n\t\tdata.closed = this.closed;\n\t\tdata.curveType = this.curveType;\n\t\tdata.tension = this.tension;\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = json.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = json.points[ i ];\n\t\t\tthis.points.push( new Vector3().fromArray( point ) );\n\n\t\t}\n\n\t\tthis.closed = json.closed;\n\t\tthis.curveType = json.curveType;\n\t\tthis.tension = json.tension;\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * Bezier Curves formulas obtained from\n * https://en.wikipedia.org/wiki/B%C3%A9zier_curve\n */\n\nfunction CatmullRom( t, p0, p1, p2, p3 ) {\n\n\tconst v0 = ( p2 - p0 ) * 0.5;\n\tconst v1 = ( p3 - p1 ) * 0.5;\n\tconst t2 = t * t;\n\tconst t3 = t * t2;\n\treturn ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1;\n\n}\n\n//\n\nfunction QuadraticBezierP0( t, p ) {\n\n\tconst k = 1 - t;\n\treturn k * k * p;\n\n}\n\nfunction QuadraticBezierP1( t, p ) {\n\n\treturn 2 * ( 1 - t ) * t * p;\n\n}\n\nfunction QuadraticBezierP2( t, p ) {\n\n\treturn t * t * p;\n\n}\n\nfunction QuadraticBezier( t, p0, p1, p2 ) {\n\n\treturn QuadraticBezierP0( t, p0 ) + QuadraticBezierP1( t, p1 ) +\n\t\tQuadraticBezierP2( t, p2 );\n\n}\n\n//\n\nfunction CubicBezierP0( t, p ) {\n\n\tconst k = 1 - t;\n\treturn k * k * k * p;\n\n}\n\nfunction CubicBezierP1( t, p ) {\n\n\tconst k = 1 - t;\n\treturn 3 * k * k * t * p;\n\n}\n\nfunction CubicBezierP2( t, p ) {\n\n\treturn 3 * ( 1 - t ) * t * t * p;\n\n}\n\nfunction CubicBezierP3( t, p ) {\n\n\treturn t * t * t * p;\n\n}\n\nfunction CubicBezier( t, p0, p1, p2, p3 ) {\n\n\treturn CubicBezierP0( t, p0 ) + CubicBezierP1( t, p1 ) + CubicBezierP2( t, p2 ) +\n\t\tCubicBezierP3( t, p3 );\n\n}\n\nclass CubicBezierCurve extends Curve {\n\n\tconstructor( v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2(), v3 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\tthis.isCubicBezierCurve = true;\n\n\t\tthis.type = 'CubicBezierCurve';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\t\tthis.v3 = v3;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3;\n\n\t\tpoint.set(\n\t\t\tCubicBezier( t, v0.x, v1.x, v2.x, v3.x ),\n\t\t\tCubicBezier( t, v0.y, v1.y, v2.y, v3.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\t\tthis.v3.copy( source.v3 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\t\tdata.v3 = this.v3.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\t\tthis.v3.fromArray( json.v3 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass CubicBezierCurve3 extends Curve {\n\n\tconstructor( v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3(), v3 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\tthis.isCubicBezierCurve3 = true;\n\n\t\tthis.type = 'CubicBezierCurve3';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\t\tthis.v3 = v3;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3;\n\n\t\tpoint.set(\n\t\t\tCubicBezier( t, v0.x, v1.x, v2.x, v3.x ),\n\t\t\tCubicBezier( t, v0.y, v1.y, v2.y, v3.y ),\n\t\t\tCubicBezier( t, v0.z, v1.z, v2.z, v3.z )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\t\tthis.v3.copy( source.v3 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\t\tdata.v3 = this.v3.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\t\tthis.v3.fromArray( json.v3 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass LineCurve extends Curve {\n\n\tconstructor( v1 = new Vector2(), v2 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\tthis.isLineCurve = true;\n\n\t\tthis.type = 'LineCurve';\n\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tif ( t === 1 ) {\n\n\t\t\tpoint.copy( this.v2 );\n\n\t\t} else {\n\n\t\t\tpoint.copy( this.v2 ).sub( this.v1 );\n\t\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\t}\n\n\t\treturn point;\n\n\t}\n\n\t// Line curve is linear, so we can overwrite default getPointAt\n\tgetPointAt( u, optionalTarget ) {\n\n\t\treturn this.getPoint( u, optionalTarget );\n\n\t}\n\n\tgetTangent( t, optionalTarget = new Vector2() ) {\n\n\t\treturn optionalTarget.subVectors( this.v2, this.v1 ).normalize();\n\n\t}\n\n\tgetTangentAt( u, optionalTarget ) {\n\n\t\treturn this.getTangent( u, optionalTarget );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass LineCurve3 extends Curve {\n\n\tconstructor( v1 = new Vector3(), v2 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\tthis.isLineCurve3 = true;\n\n\t\tthis.type = 'LineCurve3';\n\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tif ( t === 1 ) {\n\n\t\t\tpoint.copy( this.v2 );\n\n\t\t} else {\n\n\t\t\tpoint.copy( this.v2 ).sub( this.v1 );\n\t\t\tpoint.multiplyScalar( t ).add( this.v1 );\n\n\t\t}\n\n\t\treturn point;\n\n\t}\n\n\t// Line curve is linear, so we can overwrite default getPointAt\n\tgetPointAt( u, optionalTarget ) {\n\n\t\treturn this.getPoint( u, optionalTarget );\n\n\t}\n\n\tgetTangent( t, optionalTarget = new Vector3() ) {\n\n\t\treturn optionalTarget.subVectors( this.v2, this.v1 ).normalize();\n\n\t}\n\n\tgetTangentAt( u, optionalTarget ) {\n\n\t\treturn this.getTangent( u, optionalTarget );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass QuadraticBezierCurve extends Curve {\n\n\tconstructor( v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2() ) {\n\n\t\tsuper();\n\n\t\tthis.isQuadraticBezierCurve = true;\n\n\t\tthis.type = 'QuadraticBezierCurve';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2;\n\n\t\tpoint.set(\n\t\t\tQuadraticBezier( t, v0.x, v1.x, v2.x ),\n\t\t\tQuadraticBezier( t, v0.y, v1.y, v2.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass QuadraticBezierCurve3 extends Curve {\n\n\tconstructor( v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3() ) {\n\n\t\tsuper();\n\n\t\tthis.isQuadraticBezierCurve3 = true;\n\n\t\tthis.type = 'QuadraticBezierCurve3';\n\n\t\tthis.v0 = v0;\n\t\tthis.v1 = v1;\n\t\tthis.v2 = v2;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector3() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst v0 = this.v0, v1 = this.v1, v2 = this.v2;\n\n\t\tpoint.set(\n\t\t\tQuadraticBezier( t, v0.x, v1.x, v2.x ),\n\t\t\tQuadraticBezier( t, v0.y, v1.y, v2.y ),\n\t\t\tQuadraticBezier( t, v0.z, v1.z, v2.z )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.v0.copy( source.v0 );\n\t\tthis.v1.copy( source.v1 );\n\t\tthis.v2.copy( source.v2 );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.v0 = this.v0.toArray();\n\t\tdata.v1 = this.v1.toArray();\n\t\tdata.v2 = this.v2.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.v0.fromArray( json.v0 );\n\t\tthis.v1.fromArray( json.v1 );\n\t\tthis.v2.fromArray( json.v2 );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass SplineCurve extends Curve {\n\n\tconstructor( points = [] ) {\n\n\t\tsuper();\n\n\t\tthis.isSplineCurve = true;\n\n\t\tthis.type = 'SplineCurve';\n\n\t\tthis.points = points;\n\n\t}\n\n\tgetPoint( t, optionalTarget = new Vector2() ) {\n\n\t\tconst point = optionalTarget;\n\n\t\tconst points = this.points;\n\t\tconst p = ( points.length - 1 ) * t;\n\n\t\tconst intPoint = Math.floor( p );\n\t\tconst weight = p - intPoint;\n\n\t\tconst p0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ];\n\t\tconst p1 = points[ intPoint ];\n\t\tconst p2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ];\n\t\tconst p3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ];\n\n\t\tpoint.set(\n\t\t\tCatmullRom( weight, p0.x, p1.x, p2.x, p3.x ),\n\t\t\tCatmullRom( weight, p0.y, p1.y, p2.y, p3.y )\n\t\t);\n\n\t\treturn point;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = source.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = source.points[ i ];\n\n\t\t\tthis.points.push( point.clone() );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.points = [];\n\n\t\tfor ( let i = 0, l = this.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = this.points[ i ];\n\t\t\tdata.points.push( point.toArray() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.points = [];\n\n\t\tfor ( let i = 0, l = json.points.length; i < l; i ++ ) {\n\n\t\t\tconst point = json.points[ i ];\n\t\t\tthis.points.push( new Vector2().fromArray( point ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nvar Curves = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tArcCurve: ArcCurve,\n\tCatmullRomCurve3: CatmullRomCurve3,\n\tCubicBezierCurve: CubicBezierCurve,\n\tCubicBezierCurve3: CubicBezierCurve3,\n\tEllipseCurve: EllipseCurve,\n\tLineCurve: LineCurve,\n\tLineCurve3: LineCurve3,\n\tQuadraticBezierCurve: QuadraticBezierCurve,\n\tQuadraticBezierCurve3: QuadraticBezierCurve3,\n\tSplineCurve: SplineCurve\n});\n\n/**************************************************************\n *\tCurved Path - a curve path is simply a array of connected\n * curves, but retains the api of a curve\n **************************************************************/\n\nclass CurvePath extends Curve {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'CurvePath';\n\n\t\tthis.curves = [];\n\t\tthis.autoClose = false; // Automatically closes the path\n\n\t}\n\n\tadd( curve ) {\n\n\t\tthis.curves.push( curve );\n\n\t}\n\n\tclosePath() {\n\n\t\t// Add a line curve if start and end of lines are not connected\n\t\tconst startPoint = this.curves[ 0 ].getPoint( 0 );\n\t\tconst endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 );\n\n\t\tif ( ! startPoint.equals( endPoint ) ) {\n\n\t\t\tconst lineType = ( startPoint.isVector2 === true ) ? 'LineCurve' : 'LineCurve3';\n\t\t\tthis.curves.push( new Curves[ lineType ]( endPoint, startPoint ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// To get accurate point with reference to\n\t// entire path distance at time t,\n\t// following has to be done:\n\n\t// 1. Length of each sub path have to be known\n\t// 2. Locate and identify type of curve\n\t// 3. Get t for the curve\n\t// 4. Return curve.getPointAt(t')\n\n\tgetPoint( t, optionalTarget ) {\n\n\t\tconst d = t * this.getLength();\n\t\tconst curveLengths = this.getCurveLengths();\n\t\tlet i = 0;\n\n\t\t// To think about boundaries points.\n\n\t\twhile ( i < curveLengths.length ) {\n\n\t\t\tif ( curveLengths[ i ] >= d ) {\n\n\t\t\t\tconst diff = curveLengths[ i ] - d;\n\t\t\t\tconst curve = this.curves[ i ];\n\n\t\t\t\tconst segmentLength = curve.getLength();\n\t\t\t\tconst u = segmentLength === 0 ? 0 : 1 - diff / segmentLength;\n\n\t\t\t\treturn curve.getPointAt( u, optionalTarget );\n\n\t\t\t}\n\n\t\t\ti ++;\n\n\t\t}\n\n\t\treturn null;\n\n\t\t// loop where sum != 0, sum > d , sum+1 1 && ! points[ points.length - 1 ].equals( points[ 0 ] ) ) {\n\n\t\t\tpoints.push( points[ 0 ] );\n\n\t\t}\n\n\t\treturn points;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.curves = [];\n\n\t\tfor ( let i = 0, l = source.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = source.curves[ i ];\n\n\t\t\tthis.curves.push( curve.clone() );\n\n\t\t}\n\n\t\tthis.autoClose = source.autoClose;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.autoClose = this.autoClose;\n\t\tdata.curves = [];\n\n\t\tfor ( let i = 0, l = this.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = this.curves[ i ];\n\t\t\tdata.curves.push( curve.toJSON() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.autoClose = json.autoClose;\n\t\tthis.curves = [];\n\n\t\tfor ( let i = 0, l = json.curves.length; i < l; i ++ ) {\n\n\t\t\tconst curve = json.curves[ i ];\n\t\t\tthis.curves.push( new Curves[ curve.type ]().fromJSON( curve ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass Path extends CurvePath {\n\n\tconstructor( points ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Path';\n\n\t\tthis.currentPoint = new Vector2();\n\n\t\tif ( points ) {\n\n\t\t\tthis.setFromPoints( points );\n\n\t\t}\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tthis.moveTo( points[ 0 ].x, points[ 0 ].y );\n\n\t\tfor ( let i = 1, l = points.length; i < l; i ++ ) {\n\n\t\t\tthis.lineTo( points[ i ].x, points[ i ].y );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tmoveTo( x, y ) {\n\n\t\tthis.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying?\n\n\t\treturn this;\n\n\t}\n\n\tlineTo( x, y ) {\n\n\t\tconst curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) );\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( x, y );\n\n\t\treturn this;\n\n\t}\n\n\tquadraticCurveTo( aCPx, aCPy, aX, aY ) {\n\n\t\tconst curve = new QuadraticBezierCurve(\n\t\t\tthis.currentPoint.clone(),\n\t\t\tnew Vector2( aCPx, aCPy ),\n\t\t\tnew Vector2( aX, aY )\n\t\t);\n\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tbezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\tconst curve = new CubicBezierCurve(\n\t\t\tthis.currentPoint.clone(),\n\t\t\tnew Vector2( aCP1x, aCP1y ),\n\t\t\tnew Vector2( aCP2x, aCP2y ),\n\t\t\tnew Vector2( aX, aY )\n\t\t);\n\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.set( aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tsplineThru( pts /*Array of Vector*/ ) {\n\n\t\tconst npts = [ this.currentPoint.clone() ].concat( pts );\n\n\t\tconst curve = new SplineCurve( npts );\n\t\tthis.curves.push( curve );\n\n\t\tthis.currentPoint.copy( pts[ pts.length - 1 ] );\n\n\t\treturn this;\n\n\t}\n\n\tarc( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tconst x0 = this.currentPoint.x;\n\t\tconst y0 = this.currentPoint.y;\n\n\t\tthis.absarc( aX + x0, aY + y0, aRadius,\n\t\t\taStartAngle, aEndAngle, aClockwise );\n\n\t\treturn this;\n\n\t}\n\n\tabsarc( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) {\n\n\t\tthis.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise );\n\n\t\treturn this;\n\n\t}\n\n\tellipse( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tconst x0 = this.currentPoint.x;\n\t\tconst y0 = this.currentPoint.y;\n\n\t\tthis.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\treturn this;\n\n\t}\n\n\tabsellipse( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) {\n\n\t\tconst curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation );\n\n\t\tif ( this.curves.length > 0 ) {\n\n\t\t\t// if a previous curve is present, attempt to join\n\t\t\tconst firstPoint = curve.getPoint( 0 );\n\n\t\t\tif ( ! firstPoint.equals( this.currentPoint ) ) {\n\n\t\t\t\tthis.lineTo( firstPoint.x, firstPoint.y );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.curves.push( curve );\n\n\t\tconst lastPoint = curve.getPoint( 1 );\n\t\tthis.currentPoint.copy( lastPoint );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.currentPoint.copy( source.currentPoint );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.currentPoint = this.currentPoint.toArray();\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.currentPoint.fromArray( json.currentPoint );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass LatheGeometry extends BufferGeometry {\n\n\tconstructor( points = [ new Vector2( 0, - 0.5 ), new Vector2( 0.5, 0 ), new Vector2( 0, 0.5 ) ], segments = 12, phiStart = 0, phiLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'LatheGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpoints: points,\n\t\t\tsegments: segments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength\n\t\t};\n\n\t\tsegments = Math.floor( segments );\n\n\t\t// clamp phiLength so it's in range of [ 0, 2PI ]\n\n\t\tphiLength = clamp( phiLength, 0, Math.PI * 2 );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst uvs = [];\n\t\tconst initNormals = [];\n\t\tconst normals = [];\n\n\t\t// helper variables\n\n\t\tconst inverseSegments = 1.0 / segments;\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\t\tconst normal = new Vector3();\n\t\tconst curNormal = new Vector3();\n\t\tconst prevNormal = new Vector3();\n\t\tlet dx = 0;\n\t\tlet dy = 0;\n\n\t\t// pre-compute normals for initial \"meridian\"\n\n\t\tfor ( let j = 0; j <= ( points.length - 1 ); j ++ ) {\n\n\t\t\tswitch ( j ) {\n\n\t\t\t\tcase 0:\t\t\t\t// special handling for 1st vertex on path\n\n\t\t\t\t\tdx = points[ j + 1 ].x - points[ j ].x;\n\t\t\t\t\tdy = points[ j + 1 ].y - points[ j ].y;\n\n\t\t\t\t\tnormal.x = dy * 1.0;\n\t\t\t\t\tnormal.y = - dx;\n\t\t\t\t\tnormal.z = dy * 0.0;\n\n\t\t\t\t\tprevNormal.copy( normal );\n\n\t\t\t\t\tnormal.normalize();\n\n\t\t\t\t\tinitNormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase ( points.length - 1 ):\t// special handling for last Vertex on path\n\n\t\t\t\t\tinitNormals.push( prevNormal.x, prevNormal.y, prevNormal.z );\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\t\t\t// default handling for all vertices in between\n\n\t\t\t\t\tdx = points[ j + 1 ].x - points[ j ].x;\n\t\t\t\t\tdy = points[ j + 1 ].y - points[ j ].y;\n\n\t\t\t\t\tnormal.x = dy * 1.0;\n\t\t\t\t\tnormal.y = - dx;\n\t\t\t\t\tnormal.z = dy * 0.0;\n\n\t\t\t\t\tcurNormal.copy( normal );\n\n\t\t\t\t\tnormal.x += prevNormal.x;\n\t\t\t\t\tnormal.y += prevNormal.y;\n\t\t\t\t\tnormal.z += prevNormal.z;\n\n\t\t\t\t\tnormal.normalize();\n\n\t\t\t\t\tinitNormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t\tprevNormal.copy( curNormal );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate vertices, uvs and normals\n\n\t\tfor ( let i = 0; i <= segments; i ++ ) {\n\n\t\t\tconst phi = phiStart + i * inverseSegments * phiLength;\n\n\t\t\tconst sin = Math.sin( phi );\n\t\t\tconst cos = Math.cos( phi );\n\n\t\t\tfor ( let j = 0; j <= ( points.length - 1 ); j ++ ) {\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = points[ j ].x * sin;\n\t\t\t\tvertex.y = points[ j ].y;\n\t\t\t\tvertex.z = points[ j ].x * cos;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = i / segments;\n\t\t\t\tuv.y = j / ( points.length - 1 );\n\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t// normal\n\n\t\t\t\tconst x = initNormals[ 3 * j + 0 ] * sin;\n\t\t\t\tconst y = initNormals[ 3 * j + 1 ];\n\t\t\t\tconst z = initNormals[ 3 * j + 0 ] * cos;\n\n\t\t\t\tnormals.push( x, y, z );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let i = 0; i < segments; i ++ ) {\n\n\t\t\tfor ( let j = 0; j < ( points.length - 1 ); j ++ ) {\n\n\t\t\t\tconst base = j + i * points.length;\n\n\t\t\t\tconst a = base;\n\t\t\t\tconst b = base + points.length;\n\t\t\t\tconst c = base + points.length + 1;\n\t\t\t\tconst d = base + 1;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( c, d, b );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new LatheGeometry( data.points, data.segments, data.phiStart, data.phiLength );\n\n\t}\n\n}\n\nclass CapsuleGeometry extends LatheGeometry {\n\n\tconstructor( radius = 1, length = 1, capSegments = 4, radialSegments = 8 ) {\n\n\t\tconst path = new Path();\n\t\tpath.absarc( 0, - length / 2, radius, Math.PI * 1.5, 0 );\n\t\tpath.absarc( 0, length / 2, radius, 0, Math.PI * 0.5 );\n\n\t\tsuper( path.getPoints( capSegments ), radialSegments );\n\n\t\tthis.type = 'CapsuleGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tlength: length,\n\t\t\tcapSegments: capSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new CapsuleGeometry( data.radius, data.length, data.capSegments, data.radialSegments );\n\n\t}\n\n}\n\nclass CircleGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, segments = 32, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CircleGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tsegments: segments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tsegments = Math.max( 3, segments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\n\t\t// center point\n\n\t\tvertices.push( 0, 0, 0 );\n\t\tnormals.push( 0, 0, 1 );\n\t\tuvs.push( 0.5, 0.5 );\n\n\t\tfor ( let s = 0, i = 3; s <= segments; s ++, i += 3 ) {\n\n\t\t\tconst segment = thetaStart + s / segments * thetaLength;\n\n\t\t\t// vertex\n\n\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\tvertex.y = radius * Math.sin( segment );\n\n\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t// normal\n\n\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t// uvs\n\n\t\t\tuv.x = ( vertices[ i ] / radius + 1 ) / 2;\n\t\t\tuv.y = ( vertices[ i + 1 ] / radius + 1 ) / 2;\n\n\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let i = 1; i <= segments; i ++ ) {\n\n\t\t\tindices.push( i, i + 1, 0 );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new CircleGeometry( data.radius, data.segments, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass CylinderGeometry extends BufferGeometry {\n\n\tconstructor( radiusTop = 1, radiusBottom = 1, height = 1, radialSegments = 32, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'CylinderGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradiusTop: radiusTop,\n\t\t\tradiusBottom: radiusBottom,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tconst scope = this;\n\n\t\tradialSegments = Math.floor( radialSegments );\n\t\theightSegments = Math.floor( heightSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet index = 0;\n\t\tconst indexArray = [];\n\t\tconst halfHeight = height / 2;\n\t\tlet groupStart = 0;\n\n\t\t// generate geometry\n\n\t\tgenerateTorso();\n\n\t\tif ( openEnded === false ) {\n\n\t\t\tif ( radiusTop > 0 ) generateCap( true );\n\t\t\tif ( radiusBottom > 0 ) generateCap( false );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\tfunction generateTorso() {\n\n\t\t\tconst normal = new Vector3();\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tlet groupCount = 0;\n\n\t\t\t// this will be used to calculate the normal\n\t\t\tconst slope = ( radiusBottom - radiusTop ) / height;\n\n\t\t\t// generate vertices, normals and uvs\n\n\t\t\tfor ( let y = 0; y <= heightSegments; y ++ ) {\n\n\t\t\t\tconst indexRow = [];\n\n\t\t\t\tconst v = y / heightSegments;\n\n\t\t\t\t// calculate the radius of the current row\n\n\t\t\t\tconst radius = v * ( radiusBottom - radiusTop ) + radiusTop;\n\n\t\t\t\tfor ( let x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\t\tconst u = x / radialSegments;\n\n\t\t\t\t\tconst theta = u * thetaLength + thetaStart;\n\n\t\t\t\t\tconst sinTheta = Math.sin( theta );\n\t\t\t\t\tconst cosTheta = Math.cos( theta );\n\n\t\t\t\t\t// vertex\n\n\t\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\t\tvertex.y = - v * height + halfHeight;\n\t\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t\t// normal\n\n\t\t\t\t\tnormal.set( sinTheta, slope, cosTheta ).normalize();\n\t\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t\t// uv\n\n\t\t\t\t\tuvs.push( u, 1 - v );\n\n\t\t\t\t\t// save index of vertex in respective row\n\n\t\t\t\t\tindexRow.push( index ++ );\n\n\t\t\t\t}\n\n\t\t\t\t// now save vertices of the row in our index array\n\n\t\t\t\tindexArray.push( indexRow );\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( let x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tfor ( let y = 0; y < heightSegments; y ++ ) {\n\n\t\t\t\t\t// we use the index array to access the correct indices\n\n\t\t\t\t\tconst a = indexArray[ y ][ x ];\n\t\t\t\t\tconst b = indexArray[ y + 1 ][ x ];\n\t\t\t\t\tconst c = indexArray[ y + 1 ][ x + 1 ];\n\t\t\t\t\tconst d = indexArray[ y ][ x + 1 ];\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tif ( radiusTop > 0 || y !== 0 ) {\n\n\t\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\t\tgroupCount += 3;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( radiusBottom > 0 || y !== heightSegments - 1 ) {\n\n\t\t\t\t\t\tindices.push( b, c, d );\n\t\t\t\t\t\tgroupCount += 3;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, 0 );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t\tfunction generateCap( top ) {\n\n\t\t\t// save the index of the first center vertex\n\t\t\tconst centerIndexStart = index;\n\n\t\t\tconst uv = new Vector2();\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tlet groupCount = 0;\n\n\t\t\tconst radius = ( top === true ) ? radiusTop : radiusBottom;\n\t\t\tconst sign = ( top === true ) ? 1 : - 1;\n\n\t\t\t// first we generate the center vertex data of the cap.\n\t\t\t// because the geometry needs one set of uvs per face,\n\t\t\t// we must generate a center vertex per face/segment\n\n\t\t\tfor ( let x = 1; x <= radialSegments; x ++ ) {\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertices.push( 0, halfHeight * sign, 0 );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, sign, 0 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( 0.5, 0.5 );\n\n\t\t\t\t// increase index\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// save the index of the last center vertex\n\t\t\tconst centerIndexEnd = index;\n\n\t\t\t// now we generate the surrounding vertices, normals and uvs\n\n\t\t\tfor ( let x = 0; x <= radialSegments; x ++ ) {\n\n\t\t\t\tconst u = x / radialSegments;\n\t\t\t\tconst theta = u * thetaLength + thetaStart;\n\n\t\t\t\tconst cosTheta = Math.cos( theta );\n\t\t\t\tconst sinTheta = Math.sin( theta );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = radius * sinTheta;\n\t\t\t\tvertex.y = halfHeight * sign;\n\t\t\t\tvertex.z = radius * cosTheta;\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, sign, 0 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = ( cosTheta * 0.5 ) + 0.5;\n\t\t\t\tuv.y = ( sinTheta * 0.5 * sign ) + 0.5;\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t// increase index\n\n\t\t\t\tindex ++;\n\n\t\t\t}\n\n\t\t\t// generate indices\n\n\t\t\tfor ( let x = 0; x < radialSegments; x ++ ) {\n\n\t\t\t\tconst c = centerIndexStart + x;\n\t\t\t\tconst i = centerIndexEnd + x;\n\n\t\t\t\tif ( top === true ) {\n\n\t\t\t\t\t// face top\n\n\t\t\t\t\tindices.push( i, i + 1, c );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// face bottom\n\n\t\t\t\t\tindices.push( i + 1, i, c );\n\n\t\t\t\t}\n\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t\t// add a group to the geometry. this will ensure multi material support\n\n\t\t\tscope.addGroup( groupStart, groupCount, top === true ? 1 : 2 );\n\n\t\t\t// calculate new start value for groups\n\n\t\t\tgroupStart += groupCount;\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new CylinderGeometry( data.radiusTop, data.radiusBottom, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass ConeGeometry extends CylinderGeometry {\n\n\tconstructor( radius = 1, height = 1, radialSegments = 32, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper( 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength );\n\n\t\tthis.type = 'ConeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\theight: height,\n\t\t\tradialSegments: radialSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\topenEnded: openEnded,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new ConeGeometry( data.radius, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass PolyhedronGeometry extends BufferGeometry {\n\n\tconstructor( vertices = [], indices = [], radius = 1, detail = 0 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'PolyhedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tvertices: vertices,\n\t\t\tindices: indices,\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t\t// default buffer data\n\n\t\tconst vertexBuffer = [];\n\t\tconst uvBuffer = [];\n\n\t\t// the subdivision creates the vertex buffer data\n\n\t\tsubdivide( detail );\n\n\t\t// all vertices should lie on a conceptual sphere with a given radius\n\n\t\tapplyRadius( radius );\n\n\t\t// finally, create the uv data\n\n\t\tgenerateUVs();\n\n\t\t// build non-indexed geometry\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertexBuffer, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( vertexBuffer.slice(), 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvBuffer, 2 ) );\n\n\t\tif ( detail === 0 ) {\n\n\t\t\tthis.computeVertexNormals(); // flat normals\n\n\t\t} else {\n\n\t\t\tthis.normalizeNormals(); // smooth normals\n\n\t\t}\n\n\t\t// helper functions\n\n\t\tfunction subdivide( detail ) {\n\n\t\t\tconst a = new Vector3();\n\t\t\tconst b = new Vector3();\n\t\t\tconst c = new Vector3();\n\n\t\t\t// iterate over all faces and apply a subdivision with the given detail value\n\n\t\t\tfor ( let i = 0; i < indices.length; i += 3 ) {\n\n\t\t\t\t// get the vertices of the face\n\n\t\t\t\tgetVertexByIndex( indices[ i + 0 ], a );\n\t\t\t\tgetVertexByIndex( indices[ i + 1 ], b );\n\t\t\t\tgetVertexByIndex( indices[ i + 2 ], c );\n\n\t\t\t\t// perform subdivision\n\n\t\t\t\tsubdivideFace( a, b, c, detail );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction subdivideFace( a, b, c, detail ) {\n\n\t\t\tconst cols = detail + 1;\n\n\t\t\t// we use this multidimensional array as a data structure for creating the subdivision\n\n\t\t\tconst v = [];\n\n\t\t\t// construct all of the vertices for this subdivision\n\n\t\t\tfor ( let i = 0; i <= cols; i ++ ) {\n\n\t\t\t\tv[ i ] = [];\n\n\t\t\t\tconst aj = a.clone().lerp( c, i / cols );\n\t\t\t\tconst bj = b.clone().lerp( c, i / cols );\n\n\t\t\t\tconst rows = cols - i;\n\n\t\t\t\tfor ( let j = 0; j <= rows; j ++ ) {\n\n\t\t\t\t\tif ( j === 0 && i === cols ) {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tv[ i ][ j ] = aj.clone().lerp( bj, j / rows );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// construct all of the faces\n\n\t\t\tfor ( let i = 0; i < cols; i ++ ) {\n\n\t\t\t\tfor ( let j = 0; j < 2 * ( cols - i ) - 1; j ++ ) {\n\n\t\t\t\t\tconst k = Math.floor( j / 2 );\n\n\t\t\t\t\tif ( j % 2 === 0 ) {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\t\t\t\t\t\tpushVertex( v[ i ][ k ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tpushVertex( v[ i ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k + 1 ] );\n\t\t\t\t\t\tpushVertex( v[ i + 1 ][ k ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction applyRadius( radius ) {\n\n\t\t\tconst vertex = new Vector3();\n\n\t\t\t// iterate over the entire buffer and apply the radius to each vertex\n\n\t\t\tfor ( let i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tvertex.normalize().multiplyScalar( radius );\n\n\t\t\t\tvertexBuffer[ i + 0 ] = vertex.x;\n\t\t\t\tvertexBuffer[ i + 1 ] = vertex.y;\n\t\t\t\tvertexBuffer[ i + 2 ] = vertex.z;\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tconst vertex = new Vector3();\n\n\t\t\tfor ( let i = 0; i < vertexBuffer.length; i += 3 ) {\n\n\t\t\t\tvertex.x = vertexBuffer[ i + 0 ];\n\t\t\t\tvertex.y = vertexBuffer[ i + 1 ];\n\t\t\t\tvertex.z = vertexBuffer[ i + 2 ];\n\n\t\t\t\tconst u = azimuth( vertex ) / 2 / Math.PI + 0.5;\n\t\t\t\tconst v = inclination( vertex ) / Math.PI + 0.5;\n\t\t\t\tuvBuffer.push( u, 1 - v );\n\n\t\t\t}\n\n\t\t\tcorrectUVs();\n\n\t\t\tcorrectSeam();\n\n\t\t}\n\n\t\tfunction correctSeam() {\n\n\t\t\t// handle case when face straddles the seam, see #3269\n\n\t\t\tfor ( let i = 0; i < uvBuffer.length; i += 6 ) {\n\n\t\t\t\t// uv data of a single face\n\n\t\t\t\tconst x0 = uvBuffer[ i + 0 ];\n\t\t\t\tconst x1 = uvBuffer[ i + 2 ];\n\t\t\t\tconst x2 = uvBuffer[ i + 4 ];\n\n\t\t\t\tconst max = Math.max( x0, x1, x2 );\n\t\t\t\tconst min = Math.min( x0, x1, x2 );\n\n\t\t\t\t// 0.9 is somewhat arbitrary\n\n\t\t\t\tif ( max > 0.9 && min < 0.1 ) {\n\n\t\t\t\t\tif ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1;\n\t\t\t\t\tif ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1;\n\t\t\t\t\tif ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction pushVertex( vertex ) {\n\n\t\t\tvertexBuffer.push( vertex.x, vertex.y, vertex.z );\n\n\t\t}\n\n\t\tfunction getVertexByIndex( index, vertex ) {\n\n\t\t\tconst stride = index * 3;\n\n\t\t\tvertex.x = vertices[ stride + 0 ];\n\t\t\tvertex.y = vertices[ stride + 1 ];\n\t\t\tvertex.z = vertices[ stride + 2 ];\n\n\t\t}\n\n\t\tfunction correctUVs() {\n\n\t\t\tconst a = new Vector3();\n\t\t\tconst b = new Vector3();\n\t\t\tconst c = new Vector3();\n\n\t\t\tconst centroid = new Vector3();\n\n\t\t\tconst uvA = new Vector2();\n\t\t\tconst uvB = new Vector2();\n\t\t\tconst uvC = new Vector2();\n\n\t\t\tfor ( let i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) {\n\n\t\t\t\ta.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] );\n\t\t\t\tb.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] );\n\t\t\t\tc.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] );\n\n\t\t\t\tuvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] );\n\t\t\t\tuvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] );\n\t\t\t\tuvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] );\n\n\t\t\t\tcentroid.copy( a ).add( b ).add( c ).divideScalar( 3 );\n\n\t\t\t\tconst azi = azimuth( centroid );\n\n\t\t\t\tcorrectUV( uvA, j + 0, a, azi );\n\t\t\t\tcorrectUV( uvB, j + 2, b, azi );\n\t\t\t\tcorrectUV( uvC, j + 4, c, azi );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction correctUV( uv, stride, vector, azimuth ) {\n\n\t\t\tif ( ( azimuth < 0 ) && ( uv.x === 1 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = uv.x - 1;\n\n\t\t\t}\n\n\t\t\tif ( ( vector.x === 0 ) && ( vector.z === 0 ) ) {\n\n\t\t\t\tuvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Angle around the Y axis, counter-clockwise when looking from above.\n\n\t\tfunction azimuth( vector ) {\n\n\t\t\treturn Math.atan2( vector.z, - vector.x );\n\n\t\t}\n\n\n\t\t// Angle above the XZ plane.\n\n\t\tfunction inclination( vector ) {\n\n\t\t\treturn Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) );\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new PolyhedronGeometry( data.vertices, data.indices, data.radius, data.details );\n\n\t}\n\n}\n\nclass DodecahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\t\tconst r = 1 / t;\n\n\t\tconst vertices = [\n\n\t\t\t// (\u00B11, \u00B11, \u00B11)\n\t\t\t- 1, - 1, - 1,\t- 1, - 1, 1,\n\t\t\t- 1, 1, - 1, - 1, 1, 1,\n\t\t\t1, - 1, - 1, 1, - 1, 1,\n\t\t\t1, 1, - 1, 1, 1, 1,\n\n\t\t\t// (0, \u00B11/\u03C6, \u00B1\u03C6)\n\t\t\t0, - r, - t, 0, - r, t,\n\t\t\t0, r, - t, 0, r, t,\n\n\t\t\t// (\u00B11/\u03C6, \u00B1\u03C6, 0)\n\t\t\t- r, - t, 0, - r, t, 0,\n\t\t\tr, - t, 0, r, t, 0,\n\n\t\t\t// (\u00B1\u03C6, 0, \u00B11/\u03C6)\n\t\t\t- t, 0, - r, t, 0, - r,\n\t\t\t- t, 0, r, t, 0, r\n\t\t];\n\n\t\tconst indices = [\n\t\t\t3, 11, 7, \t3, 7, 15, \t3, 15, 13,\n\t\t\t7, 19, 17, \t7, 17, 6, \t7, 6, 15,\n\t\t\t17, 4, 8, \t17, 8, 10, \t17, 10, 6,\n\t\t\t8, 0, 16, \t8, 16, 2, \t8, 2, 10,\n\t\t\t0, 12, 1, \t0, 1, 18, \t0, 18, 16,\n\t\t\t6, 10, 2, \t6, 2, 13, \t6, 13, 15,\n\t\t\t2, 16, 18, \t2, 18, 3, \t2, 3, 13,\n\t\t\t18, 1, 9, \t18, 9, 11, \t18, 11, 3,\n\t\t\t4, 14, 12, \t4, 12, 0, \t4, 0, 8,\n\t\t\t11, 9, 5, \t11, 5, 19, \t11, 19, 7,\n\t\t\t19, 5, 14, \t19, 14, 4, \t19, 4, 17,\n\t\t\t1, 12, 14, \t1, 14, 5, \t1, 5, 9\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'DodecahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new DodecahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nconst _v0 = /*@__PURE__*/ new Vector3();\nconst _v1$1 = /*@__PURE__*/ new Vector3();\nconst _normal = /*@__PURE__*/ new Vector3();\nconst _triangle = /*@__PURE__*/ new Triangle();\n\nclass EdgesGeometry extends BufferGeometry {\n\n\tconstructor( geometry = null, thresholdAngle = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'EdgesGeometry';\n\n\t\tthis.parameters = {\n\t\t\tgeometry: geometry,\n\t\t\tthresholdAngle: thresholdAngle\n\t\t};\n\n\t\tif ( geometry !== null ) {\n\n\t\t\tconst precisionPoints = 4;\n\t\t\tconst precision = Math.pow( 10, precisionPoints );\n\t\t\tconst thresholdDot = Math.cos( DEG2RAD * thresholdAngle );\n\n\t\t\tconst indexAttr = geometry.getIndex();\n\t\t\tconst positionAttr = geometry.getAttribute( 'position' );\n\t\t\tconst indexCount = indexAttr ? indexAttr.count : positionAttr.count;\n\n\t\t\tconst indexArr = [ 0, 0, 0 ];\n\t\t\tconst vertKeys = [ 'a', 'b', 'c' ];\n\t\t\tconst hashes = new Array( 3 );\n\n\t\t\tconst edgeData = {};\n\t\t\tconst vertices = [];\n\t\t\tfor ( let i = 0; i < indexCount; i += 3 ) {\n\n\t\t\t\tif ( indexAttr ) {\n\n\t\t\t\t\tindexArr[ 0 ] = indexAttr.getX( i );\n\t\t\t\t\tindexArr[ 1 ] = indexAttr.getX( i + 1 );\n\t\t\t\t\tindexArr[ 2 ] = indexAttr.getX( i + 2 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tindexArr[ 0 ] = i;\n\t\t\t\t\tindexArr[ 1 ] = i + 1;\n\t\t\t\t\tindexArr[ 2 ] = i + 2;\n\n\t\t\t\t}\n\n\t\t\t\tconst { a, b, c } = _triangle;\n\t\t\t\ta.fromBufferAttribute( positionAttr, indexArr[ 0 ] );\n\t\t\t\tb.fromBufferAttribute( positionAttr, indexArr[ 1 ] );\n\t\t\t\tc.fromBufferAttribute( positionAttr, indexArr[ 2 ] );\n\t\t\t\t_triangle.getNormal( _normal );\n\n\t\t\t\t// create hashes for the edge from the vertices\n\t\t\t\thashes[ 0 ] = `${ Math.round( a.x * precision ) },${ Math.round( a.y * precision ) },${ Math.round( a.z * precision ) }`;\n\t\t\t\thashes[ 1 ] = `${ Math.round( b.x * precision ) },${ Math.round( b.y * precision ) },${ Math.round( b.z * precision ) }`;\n\t\t\t\thashes[ 2 ] = `${ Math.round( c.x * precision ) },${ Math.round( c.y * precision ) },${ Math.round( c.z * precision ) }`;\n\n\t\t\t\t// skip degenerate triangles\n\t\t\t\tif ( hashes[ 0 ] === hashes[ 1 ] || hashes[ 1 ] === hashes[ 2 ] || hashes[ 2 ] === hashes[ 0 ] ) {\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\t// iterate over every edge\n\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t// get the first and next vertex making up the edge\n\t\t\t\t\tconst jNext = ( j + 1 ) % 3;\n\t\t\t\t\tconst vecHash0 = hashes[ j ];\n\t\t\t\t\tconst vecHash1 = hashes[ jNext ];\n\t\t\t\t\tconst v0 = _triangle[ vertKeys[ j ] ];\n\t\t\t\t\tconst v1 = _triangle[ vertKeys[ jNext ] ];\n\n\t\t\t\t\tconst hash = `${ vecHash0 }_${ vecHash1 }`;\n\t\t\t\t\tconst reverseHash = `${ vecHash1 }_${ vecHash0 }`;\n\n\t\t\t\t\tif ( reverseHash in edgeData && edgeData[ reverseHash ] ) {\n\n\t\t\t\t\t\t// if we found a sibling edge add it into the vertex array if\n\t\t\t\t\t\t// it meets the angle threshold and delete the edge from the map.\n\t\t\t\t\t\tif ( _normal.dot( edgeData[ reverseHash ].normal ) <= thresholdDot ) {\n\n\t\t\t\t\t\t\tvertices.push( v0.x, v0.y, v0.z );\n\t\t\t\t\t\t\tvertices.push( v1.x, v1.y, v1.z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tedgeData[ reverseHash ] = null;\n\n\t\t\t\t\t} else if ( ! ( hash in edgeData ) ) {\n\n\t\t\t\t\t\t// if we've already got an edge here then skip adding a new one\n\t\t\t\t\t\tedgeData[ hash ] = {\n\n\t\t\t\t\t\t\tindex0: indexArr[ j ],\n\t\t\t\t\t\t\tindex1: indexArr[ jNext ],\n\t\t\t\t\t\t\tnormal: _normal.clone(),\n\n\t\t\t\t\t\t};\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// iterate over all remaining, unmatched edges and add them to the vertex array\n\t\t\tfor ( const key in edgeData ) {\n\n\t\t\t\tif ( edgeData[ key ] ) {\n\n\t\t\t\t\tconst { index0, index1 } = edgeData[ key ];\n\t\t\t\t\t_v0.fromBufferAttribute( positionAttr, index0 );\n\t\t\t\t\t_v1$1.fromBufferAttribute( positionAttr, index1 );\n\n\t\t\t\t\tvertices.push( _v0.x, _v0.y, _v0.z );\n\t\t\t\t\tvertices.push( _v1$1.x, _v1$1.y, _v1$1.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass Shape extends Path {\n\n\tconstructor( points ) {\n\n\t\tsuper( points );\n\n\t\tthis.uuid = generateUUID();\n\n\t\tthis.type = 'Shape';\n\n\t\tthis.holes = [];\n\n\t}\n\n\tgetPointsHoles( divisions ) {\n\n\t\tconst holesPts = [];\n\n\t\tfor ( let i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\tholesPts[ i ] = this.holes[ i ].getPoints( divisions );\n\n\t\t}\n\n\t\treturn holesPts;\n\n\t}\n\n\t// get points of shape and holes (keypoints based on segments parameter)\n\n\textractPoints( divisions ) {\n\n\t\treturn {\n\n\t\t\tshape: this.getPoints( divisions ),\n\t\t\tholes: this.getPointsHoles( divisions )\n\n\t\t};\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.holes = [];\n\n\t\tfor ( let i = 0, l = source.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = source.holes[ i ];\n\n\t\t\tthis.holes.push( hole.clone() );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.uuid = this.uuid;\n\t\tdata.holes = [];\n\n\t\tfor ( let i = 0, l = this.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = this.holes[ i ];\n\t\t\tdata.holes.push( hole.toJSON() );\n\n\t\t}\n\n\t\treturn data;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tsuper.fromJSON( json );\n\n\t\tthis.uuid = json.uuid;\n\t\tthis.holes = [];\n\n\t\tfor ( let i = 0, l = json.holes.length; i < l; i ++ ) {\n\n\t\t\tconst hole = json.holes[ i ];\n\t\t\tthis.holes.push( new Path().fromJSON( hole ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n}\n\n/**\n * Port from https://github.com/mapbox/earcut (v2.2.4)\n */\n\nconst Earcut = {\n\n\ttriangulate: function ( data, holeIndices, dim = 2 ) {\n\n\t\tconst hasHoles = holeIndices && holeIndices.length;\n\t\tconst outerLen = hasHoles ? holeIndices[ 0 ] * dim : data.length;\n\t\tlet outerNode = linkedList( data, 0, outerLen, dim, true );\n\t\tconst triangles = [];\n\n\t\tif ( ! outerNode || outerNode.next === outerNode.prev ) return triangles;\n\n\t\tlet minX, minY, maxX, maxY, x, y, invSize;\n\n\t\tif ( hasHoles ) outerNode = eliminateHoles( data, holeIndices, outerNode, dim );\n\n\t\t// if the shape is not too simple, we'll use z-order curve hash later; calculate polygon bbox\n\t\tif ( data.length > 80 * dim ) {\n\n\t\t\tminX = maxX = data[ 0 ];\n\t\t\tminY = maxY = data[ 1 ];\n\n\t\t\tfor ( let i = dim; i < outerLen; i += dim ) {\n\n\t\t\t\tx = data[ i ];\n\t\t\t\ty = data[ i + 1 ];\n\t\t\t\tif ( x < minX ) minX = x;\n\t\t\t\tif ( y < minY ) minY = y;\n\t\t\t\tif ( x > maxX ) maxX = x;\n\t\t\t\tif ( y > maxY ) maxY = y;\n\n\t\t\t}\n\n\t\t\t// minX, minY and invSize are later used to transform coords into integers for z-order calculation\n\t\t\tinvSize = Math.max( maxX - minX, maxY - minY );\n\t\t\tinvSize = invSize !== 0 ? 32767 / invSize : 0;\n\n\t\t}\n\n\t\tearcutLinked( outerNode, triangles, dim, minX, minY, invSize, 0 );\n\n\t\treturn triangles;\n\n\t}\n\n};\n\n// create a circular doubly linked list from polygon points in the specified winding order\nfunction linkedList( data, start, end, dim, clockwise ) {\n\n\tlet i, last;\n\n\tif ( clockwise === ( signedArea( data, start, end, dim ) > 0 ) ) {\n\n\t\tfor ( i = start; i < end; i += dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last );\n\n\t} else {\n\n\t\tfor ( i = end - dim; i >= start; i -= dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last );\n\n\t}\n\n\tif ( last && equals( last, last.next ) ) {\n\n\t\tremoveNode( last );\n\t\tlast = last.next;\n\n\t}\n\n\treturn last;\n\n}\n\n// eliminate colinear or duplicate points\nfunction filterPoints( start, end ) {\n\n\tif ( ! start ) return start;\n\tif ( ! end ) end = start;\n\n\tlet p = start,\n\t\tagain;\n\tdo {\n\n\t\tagain = false;\n\n\t\tif ( ! p.steiner && ( equals( p, p.next ) || area( p.prev, p, p.next ) === 0 ) ) {\n\n\t\t\tremoveNode( p );\n\t\t\tp = end = p.prev;\n\t\t\tif ( p === p.next ) break;\n\t\t\tagain = true;\n\n\t\t} else {\n\n\t\t\tp = p.next;\n\n\t\t}\n\n\t} while ( again || p !== end );\n\n\treturn end;\n\n}\n\n// main ear slicing loop which triangulates a polygon (given as a linked list)\nfunction earcutLinked( ear, triangles, dim, minX, minY, invSize, pass ) {\n\n\tif ( ! ear ) return;\n\n\t// interlink polygon nodes in z-order\n\tif ( ! pass && invSize ) indexCurve( ear, minX, minY, invSize );\n\n\tlet stop = ear,\n\t\tprev, next;\n\n\t// iterate through ears, slicing them one by one\n\twhile ( ear.prev !== ear.next ) {\n\n\t\tprev = ear.prev;\n\t\tnext = ear.next;\n\n\t\tif ( invSize ? isEarHashed( ear, minX, minY, invSize ) : isEar( ear ) ) {\n\n\t\t\t// cut off the triangle\n\t\t\ttriangles.push( prev.i / dim | 0 );\n\t\t\ttriangles.push( ear.i / dim | 0 );\n\t\t\ttriangles.push( next.i / dim | 0 );\n\n\t\t\tremoveNode( ear );\n\n\t\t\t// skipping the next vertex leads to less sliver triangles\n\t\t\tear = next.next;\n\t\t\tstop = next.next;\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\tear = next;\n\n\t\t// if we looped through the whole remaining polygon and can't find any more ears\n\t\tif ( ear === stop ) {\n\n\t\t\t// try filtering points and slicing again\n\t\t\tif ( ! pass ) {\n\n\t\t\t\tearcutLinked( filterPoints( ear ), triangles, dim, minX, minY, invSize, 1 );\n\n\t\t\t\t// if this didn't work, try curing all small self-intersections locally\n\n\t\t\t} else if ( pass === 1 ) {\n\n\t\t\t\tear = cureLocalIntersections( filterPoints( ear ), triangles, dim );\n\t\t\t\tearcutLinked( ear, triangles, dim, minX, minY, invSize, 2 );\n\n\t\t\t\t// as a last resort, try splitting the remaining polygon into two\n\n\t\t\t} else if ( pass === 2 ) {\n\n\t\t\t\tsplitEarcut( ear, triangles, dim, minX, minY, invSize );\n\n\t\t\t}\n\n\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n}\n\n// check whether a polygon node forms a valid ear with adjacent nodes\nfunction isEar( ear ) {\n\n\tconst a = ear.prev,\n\t\tb = ear,\n\t\tc = ear.next;\n\n\tif ( area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear\n\n\t// now make sure we don't have other points inside the potential ear\n\tconst ax = a.x, bx = b.x, cx = c.x, ay = a.y, by = b.y, cy = c.y;\n\n\t// triangle bbox; min & max are calculated like this for speed\n\tconst x0 = ax < bx ? ( ax < cx ? ax : cx ) : ( bx < cx ? bx : cx ),\n\t\ty0 = ay < by ? ( ay < cy ? ay : cy ) : ( by < cy ? by : cy ),\n\t\tx1 = ax > bx ? ( ax > cx ? ax : cx ) : ( bx > cx ? bx : cx ),\n\t\ty1 = ay > by ? ( ay > cy ? ay : cy ) : ( by > cy ? by : cy );\n\n\tlet p = c.next;\n\twhile ( p !== a ) {\n\n\t\tif ( p.x >= x0 && p.x <= x1 && p.y >= y0 && p.y <= y1 &&\n\t\t\tpointInTriangle( ax, ay, bx, by, cx, cy, p.x, p.y ) &&\n\t\t\tarea( p.prev, p, p.next ) >= 0 ) return false;\n\t\tp = p.next;\n\n\t}\n\n\treturn true;\n\n}\n\nfunction isEarHashed( ear, minX, minY, invSize ) {\n\n\tconst a = ear.prev,\n\t\tb = ear,\n\t\tc = ear.next;\n\n\tif ( area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear\n\n\tconst ax = a.x, bx = b.x, cx = c.x, ay = a.y, by = b.y, cy = c.y;\n\n\t// triangle bbox; min & max are calculated like this for speed\n\tconst x0 = ax < bx ? ( ax < cx ? ax : cx ) : ( bx < cx ? bx : cx ),\n\t\ty0 = ay < by ? ( ay < cy ? ay : cy ) : ( by < cy ? by : cy ),\n\t\tx1 = ax > bx ? ( ax > cx ? ax : cx ) : ( bx > cx ? bx : cx ),\n\t\ty1 = ay > by ? ( ay > cy ? ay : cy ) : ( by > cy ? by : cy );\n\n\t// z-order range for the current triangle bbox;\n\tconst minZ = zOrder( x0, y0, minX, minY, invSize ),\n\t\tmaxZ = zOrder( x1, y1, minX, minY, invSize );\n\n\tlet p = ear.prevZ,\n\t\tn = ear.nextZ;\n\n\t// look for points inside the triangle in both directions\n\twhile ( p && p.z >= minZ && n && n.z <= maxZ ) {\n\n\t\tif ( p.x >= x0 && p.x <= x1 && p.y >= y0 && p.y <= y1 && p !== a && p !== c &&\n\t\t\tpointInTriangle( ax, ay, bx, by, cx, cy, p.x, p.y ) && area( p.prev, p, p.next ) >= 0 ) return false;\n\t\tp = p.prevZ;\n\n\t\tif ( n.x >= x0 && n.x <= x1 && n.y >= y0 && n.y <= y1 && n !== a && n !== c &&\n\t\t\tpointInTriangle( ax, ay, bx, by, cx, cy, n.x, n.y ) && area( n.prev, n, n.next ) >= 0 ) return false;\n\t\tn = n.nextZ;\n\n\t}\n\n\t// look for remaining points in decreasing z-order\n\twhile ( p && p.z >= minZ ) {\n\n\t\tif ( p.x >= x0 && p.x <= x1 && p.y >= y0 && p.y <= y1 && p !== a && p !== c &&\n\t\t\tpointInTriangle( ax, ay, bx, by, cx, cy, p.x, p.y ) && area( p.prev, p, p.next ) >= 0 ) return false;\n\t\tp = p.prevZ;\n\n\t}\n\n\t// look for remaining points in increasing z-order\n\twhile ( n && n.z <= maxZ ) {\n\n\t\tif ( n.x >= x0 && n.x <= x1 && n.y >= y0 && n.y <= y1 && n !== a && n !== c &&\n\t\t\tpointInTriangle( ax, ay, bx, by, cx, cy, n.x, n.y ) && area( n.prev, n, n.next ) >= 0 ) return false;\n\t\tn = n.nextZ;\n\n\t}\n\n\treturn true;\n\n}\n\n// go through all polygon nodes and cure small local self-intersections\nfunction cureLocalIntersections( start, triangles, dim ) {\n\n\tlet p = start;\n\tdo {\n\n\t\tconst a = p.prev,\n\t\t\tb = p.next.next;\n\n\t\tif ( ! equals( a, b ) && intersects( a, p, p.next, b ) && locallyInside( a, b ) && locallyInside( b, a ) ) {\n\n\t\t\ttriangles.push( a.i / dim | 0 );\n\t\t\ttriangles.push( p.i / dim | 0 );\n\t\t\ttriangles.push( b.i / dim | 0 );\n\n\t\t\t// remove two nodes involved\n\t\t\tremoveNode( p );\n\t\t\tremoveNode( p.next );\n\n\t\t\tp = start = b;\n\n\t\t}\n\n\t\tp = p.next;\n\n\t} while ( p !== start );\n\n\treturn filterPoints( p );\n\n}\n\n// try splitting polygon into two and triangulate them independently\nfunction splitEarcut( start, triangles, dim, minX, minY, invSize ) {\n\n\t// look for a valid diagonal that divides the polygon into two\n\tlet a = start;\n\tdo {\n\n\t\tlet b = a.next.next;\n\t\twhile ( b !== a.prev ) {\n\n\t\t\tif ( a.i !== b.i && isValidDiagonal( a, b ) ) {\n\n\t\t\t\t// split the polygon in two by the diagonal\n\t\t\t\tlet c = splitPolygon( a, b );\n\n\t\t\t\t// filter colinear points around the cuts\n\t\t\t\ta = filterPoints( a, a.next );\n\t\t\t\tc = filterPoints( c, c.next );\n\n\t\t\t\t// run earcut on each half\n\t\t\t\tearcutLinked( a, triangles, dim, minX, minY, invSize, 0 );\n\t\t\t\tearcutLinked( c, triangles, dim, minX, minY, invSize, 0 );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tb = b.next;\n\n\t\t}\n\n\t\ta = a.next;\n\n\t} while ( a !== start );\n\n}\n\n// link every hole into the outer loop, producing a single-ring polygon without holes\nfunction eliminateHoles( data, holeIndices, outerNode, dim ) {\n\n\tconst queue = [];\n\tlet i, len, start, end, list;\n\n\tfor ( i = 0, len = holeIndices.length; i < len; i ++ ) {\n\n\t\tstart = holeIndices[ i ] * dim;\n\t\tend = i < len - 1 ? holeIndices[ i + 1 ] * dim : data.length;\n\t\tlist = linkedList( data, start, end, dim, false );\n\t\tif ( list === list.next ) list.steiner = true;\n\t\tqueue.push( getLeftmost( list ) );\n\n\t}\n\n\tqueue.sort( compareX );\n\n\t// process holes from left to right\n\tfor ( i = 0; i < queue.length; i ++ ) {\n\n\t\touterNode = eliminateHole( queue[ i ], outerNode );\n\n\t}\n\n\treturn outerNode;\n\n}\n\nfunction compareX( a, b ) {\n\n\treturn a.x - b.x;\n\n}\n\n// find a bridge between vertices that connects hole with an outer ring and link it\nfunction eliminateHole( hole, outerNode ) {\n\n\tconst bridge = findHoleBridge( hole, outerNode );\n\tif ( ! bridge ) {\n\n\t\treturn outerNode;\n\n\t}\n\n\tconst bridgeReverse = splitPolygon( bridge, hole );\n\n\t// filter collinear points around the cuts\n\tfilterPoints( bridgeReverse, bridgeReverse.next );\n\treturn filterPoints( bridge, bridge.next );\n\n}\n\n// David Eberly's algorithm for finding a bridge between hole and outer polygon\nfunction findHoleBridge( hole, outerNode ) {\n\n\tlet p = outerNode,\n\t\tqx = - Infinity,\n\t\tm;\n\n\tconst hx = hole.x, hy = hole.y;\n\n\t// find a segment intersected by a ray from the hole's leftmost point to the left;\n\t// segment's endpoint with lesser x will be potential connection point\n\tdo {\n\n\t\tif ( hy <= p.y && hy >= p.next.y && p.next.y !== p.y ) {\n\n\t\t\tconst x = p.x + ( hy - p.y ) * ( p.next.x - p.x ) / ( p.next.y - p.y );\n\t\t\tif ( x <= hx && x > qx ) {\n\n\t\t\t\tqx = x;\n\t\t\t\tm = p.x < p.next.x ? p : p.next;\n\t\t\t\tif ( x === hx ) return m; // hole touches outer segment; pick leftmost endpoint\n\n\t\t\t}\n\n\t\t}\n\n\t\tp = p.next;\n\n\t} while ( p !== outerNode );\n\n\tif ( ! m ) return null;\n\n\t// look for points inside the triangle of hole point, segment intersection and endpoint;\n\t// if there are no points found, we have a valid connection;\n\t// otherwise choose the point of the minimum angle with the ray as connection point\n\n\tconst stop = m,\n\t\tmx = m.x,\n\t\tmy = m.y;\n\tlet tanMin = Infinity, tan;\n\n\tp = m;\n\n\tdo {\n\n\t\tif ( hx >= p.x && p.x >= mx && hx !== p.x &&\n\t\t\t\tpointInTriangle( hy < my ? hx : qx, hy, mx, my, hy < my ? qx : hx, hy, p.x, p.y ) ) {\n\n\t\t\ttan = Math.abs( hy - p.y ) / ( hx - p.x ); // tangential\n\n\t\t\tif ( locallyInside( p, hole ) && ( tan < tanMin || ( tan === tanMin && ( p.x > m.x || ( p.x === m.x && sectorContainsSector( m, p ) ) ) ) ) ) {\n\n\t\t\t\tm = p;\n\t\t\t\ttanMin = tan;\n\n\t\t\t}\n\n\t\t}\n\n\t\tp = p.next;\n\n\t} while ( p !== stop );\n\n\treturn m;\n\n}\n\n// whether sector in vertex m contains sector in vertex p in the same coordinates\nfunction sectorContainsSector( m, p ) {\n\n\treturn area( m.prev, m, p.prev ) < 0 && area( p.next, m, m.next ) < 0;\n\n}\n\n// interlink polygon nodes in z-order\nfunction indexCurve( start, minX, minY, invSize ) {\n\n\tlet p = start;\n\tdo {\n\n\t\tif ( p.z === 0 ) p.z = zOrder( p.x, p.y, minX, minY, invSize );\n\t\tp.prevZ = p.prev;\n\t\tp.nextZ = p.next;\n\t\tp = p.next;\n\n\t} while ( p !== start );\n\n\tp.prevZ.nextZ = null;\n\tp.prevZ = null;\n\n\tsortLinked( p );\n\n}\n\n// Simon Tatham's linked list merge sort algorithm\n// http://www.chiark.greenend.org.uk/~sgtatham/algorithms/listsort.html\nfunction sortLinked( list ) {\n\n\tlet i, p, q, e, tail, numMerges, pSize, qSize,\n\t\tinSize = 1;\n\n\tdo {\n\n\t\tp = list;\n\t\tlist = null;\n\t\ttail = null;\n\t\tnumMerges = 0;\n\n\t\twhile ( p ) {\n\n\t\t\tnumMerges ++;\n\t\t\tq = p;\n\t\t\tpSize = 0;\n\t\t\tfor ( i = 0; i < inSize; i ++ ) {\n\n\t\t\t\tpSize ++;\n\t\t\t\tq = q.nextZ;\n\t\t\t\tif ( ! q ) break;\n\n\t\t\t}\n\n\t\t\tqSize = inSize;\n\n\t\t\twhile ( pSize > 0 || ( qSize > 0 && q ) ) {\n\n\t\t\t\tif ( pSize !== 0 && ( qSize === 0 || ! q || p.z <= q.z ) ) {\n\n\t\t\t\t\te = p;\n\t\t\t\t\tp = p.nextZ;\n\t\t\t\t\tpSize --;\n\n\t\t\t\t} else {\n\n\t\t\t\t\te = q;\n\t\t\t\t\tq = q.nextZ;\n\t\t\t\t\tqSize --;\n\n\t\t\t\t}\n\n\t\t\t\tif ( tail ) tail.nextZ = e;\n\t\t\t\telse list = e;\n\n\t\t\t\te.prevZ = tail;\n\t\t\t\ttail = e;\n\n\t\t\t}\n\n\t\t\tp = q;\n\n\t\t}\n\n\t\ttail.nextZ = null;\n\t\tinSize *= 2;\n\n\t} while ( numMerges > 1 );\n\n\treturn list;\n\n}\n\n// z-order of a point given coords and inverse of the longer side of data bbox\nfunction zOrder( x, y, minX, minY, invSize ) {\n\n\t// coords are transformed into non-negative 15-bit integer range\n\tx = ( x - minX ) * invSize | 0;\n\ty = ( y - minY ) * invSize | 0;\n\n\tx = ( x | ( x << 8 ) ) & 0x00FF00FF;\n\tx = ( x | ( x << 4 ) ) & 0x0F0F0F0F;\n\tx = ( x | ( x << 2 ) ) & 0x33333333;\n\tx = ( x | ( x << 1 ) ) & 0x55555555;\n\n\ty = ( y | ( y << 8 ) ) & 0x00FF00FF;\n\ty = ( y | ( y << 4 ) ) & 0x0F0F0F0F;\n\ty = ( y | ( y << 2 ) ) & 0x33333333;\n\ty = ( y | ( y << 1 ) ) & 0x55555555;\n\n\treturn x | ( y << 1 );\n\n}\n\n// find the leftmost node of a polygon ring\nfunction getLeftmost( start ) {\n\n\tlet p = start,\n\t\tleftmost = start;\n\tdo {\n\n\t\tif ( p.x < leftmost.x || ( p.x === leftmost.x && p.y < leftmost.y ) ) leftmost = p;\n\t\tp = p.next;\n\n\t} while ( p !== start );\n\n\treturn leftmost;\n\n}\n\n// check if a point lies within a convex triangle\nfunction pointInTriangle( ax, ay, bx, by, cx, cy, px, py ) {\n\n\treturn ( cx - px ) * ( ay - py ) >= ( ax - px ) * ( cy - py ) &&\n ( ax - px ) * ( by - py ) >= ( bx - px ) * ( ay - py ) &&\n ( bx - px ) * ( cy - py ) >= ( cx - px ) * ( by - py );\n\n}\n\n// check if a diagonal between two polygon nodes is valid (lies in polygon interior)\nfunction isValidDiagonal( a, b ) {\n\n\treturn a.next.i !== b.i && a.prev.i !== b.i && ! intersectsPolygon( a, b ) && // doesn't intersect other edges\n ( locallyInside( a, b ) && locallyInside( b, a ) && middleInside( a, b ) && // locally visible\n ( area( a.prev, a, b.prev ) || area( a, b.prev, b ) ) || // does not create opposite-facing sectors\n equals( a, b ) && area( a.prev, a, a.next ) > 0 && area( b.prev, b, b.next ) > 0 ); // special zero-length case\n\n}\n\n// signed area of a triangle\nfunction area( p, q, r ) {\n\n\treturn ( q.y - p.y ) * ( r.x - q.x ) - ( q.x - p.x ) * ( r.y - q.y );\n\n}\n\n// check if two points are equal\nfunction equals( p1, p2 ) {\n\n\treturn p1.x === p2.x && p1.y === p2.y;\n\n}\n\n// check if two segments intersect\nfunction intersects( p1, q1, p2, q2 ) {\n\n\tconst o1 = sign( area( p1, q1, p2 ) );\n\tconst o2 = sign( area( p1, q1, q2 ) );\n\tconst o3 = sign( area( p2, q2, p1 ) );\n\tconst o4 = sign( area( p2, q2, q1 ) );\n\n\tif ( o1 !== o2 && o3 !== o4 ) return true; // general case\n\n\tif ( o1 === 0 && onSegment( p1, p2, q1 ) ) return true; // p1, q1 and p2 are collinear and p2 lies on p1q1\n\tif ( o2 === 0 && onSegment( p1, q2, q1 ) ) return true; // p1, q1 and q2 are collinear and q2 lies on p1q1\n\tif ( o3 === 0 && onSegment( p2, p1, q2 ) ) return true; // p2, q2 and p1 are collinear and p1 lies on p2q2\n\tif ( o4 === 0 && onSegment( p2, q1, q2 ) ) return true; // p2, q2 and q1 are collinear and q1 lies on p2q2\n\n\treturn false;\n\n}\n\n// for collinear points p, q, r, check if point q lies on segment pr\nfunction onSegment( p, q, r ) {\n\n\treturn q.x <= Math.max( p.x, r.x ) && q.x >= Math.min( p.x, r.x ) && q.y <= Math.max( p.y, r.y ) && q.y >= Math.min( p.y, r.y );\n\n}\n\nfunction sign( num ) {\n\n\treturn num > 0 ? 1 : num < 0 ? - 1 : 0;\n\n}\n\n// check if a polygon diagonal intersects any polygon segments\nfunction intersectsPolygon( a, b ) {\n\n\tlet p = a;\n\tdo {\n\n\t\tif ( p.i !== a.i && p.next.i !== a.i && p.i !== b.i && p.next.i !== b.i &&\n\t\t\tintersects( p, p.next, a, b ) ) return true;\n\t\tp = p.next;\n\n\t} while ( p !== a );\n\n\treturn false;\n\n}\n\n// check if a polygon diagonal is locally inside the polygon\nfunction locallyInside( a, b ) {\n\n\treturn area( a.prev, a, a.next ) < 0 ?\n\t\tarea( a, b, a.next ) >= 0 && area( a, a.prev, b ) >= 0 :\n\t\tarea( a, b, a.prev ) < 0 || area( a, a.next, b ) < 0;\n\n}\n\n// check if the middle point of a polygon diagonal is inside the polygon\nfunction middleInside( a, b ) {\n\n\tlet p = a,\n\t\tinside = false;\n\tconst px = ( a.x + b.x ) / 2,\n\t\tpy = ( a.y + b.y ) / 2;\n\tdo {\n\n\t\tif ( ( ( p.y > py ) !== ( p.next.y > py ) ) && p.next.y !== p.y &&\n\t\t\t( px < ( p.next.x - p.x ) * ( py - p.y ) / ( p.next.y - p.y ) + p.x ) )\n\t\t\tinside = ! inside;\n\t\tp = p.next;\n\n\t} while ( p !== a );\n\n\treturn inside;\n\n}\n\n// link two polygon vertices with a bridge; if the vertices belong to the same ring, it splits polygon into two;\n// if one belongs to the outer ring and another to a hole, it merges it into a single ring\nfunction splitPolygon( a, b ) {\n\n\tconst a2 = new Node( a.i, a.x, a.y ),\n\t\tb2 = new Node( b.i, b.x, b.y ),\n\t\tan = a.next,\n\t\tbp = b.prev;\n\n\ta.next = b;\n\tb.prev = a;\n\n\ta2.next = an;\n\tan.prev = a2;\n\n\tb2.next = a2;\n\ta2.prev = b2;\n\n\tbp.next = b2;\n\tb2.prev = bp;\n\n\treturn b2;\n\n}\n\n// create a node and optionally link it with previous one (in a circular doubly linked list)\nfunction insertNode( i, x, y, last ) {\n\n\tconst p = new Node( i, x, y );\n\n\tif ( ! last ) {\n\n\t\tp.prev = p;\n\t\tp.next = p;\n\n\t} else {\n\n\t\tp.next = last.next;\n\t\tp.prev = last;\n\t\tlast.next.prev = p;\n\t\tlast.next = p;\n\n\t}\n\n\treturn p;\n\n}\n\nfunction removeNode( p ) {\n\n\tp.next.prev = p.prev;\n\tp.prev.next = p.next;\n\n\tif ( p.prevZ ) p.prevZ.nextZ = p.nextZ;\n\tif ( p.nextZ ) p.nextZ.prevZ = p.prevZ;\n\n}\n\nfunction Node( i, x, y ) {\n\n\t// vertex index in coordinates array\n\tthis.i = i;\n\n\t// vertex coordinates\n\tthis.x = x;\n\tthis.y = y;\n\n\t// previous and next vertex nodes in a polygon ring\n\tthis.prev = null;\n\tthis.next = null;\n\n\t// z-order curve value\n\tthis.z = 0;\n\n\t// previous and next nodes in z-order\n\tthis.prevZ = null;\n\tthis.nextZ = null;\n\n\t// indicates whether this is a steiner point\n\tthis.steiner = false;\n\n}\n\nfunction signedArea( data, start, end, dim ) {\n\n\tlet sum = 0;\n\tfor ( let i = start, j = end - dim; i < end; i += dim ) {\n\n\t\tsum += ( data[ j ] - data[ i ] ) * ( data[ i + 1 ] + data[ j + 1 ] );\n\t\tj = i;\n\n\t}\n\n\treturn sum;\n\n}\n\nclass ShapeUtils {\n\n\t// calculate area of the contour polygon\n\n\tstatic area( contour ) {\n\n\t\tconst n = contour.length;\n\t\tlet a = 0.0;\n\n\t\tfor ( let p = n - 1, q = 0; q < n; p = q ++ ) {\n\n\t\t\ta += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y;\n\n\t\t}\n\n\t\treturn a * 0.5;\n\n\t}\n\n\tstatic isClockWise( pts ) {\n\n\t\treturn ShapeUtils.area( pts ) < 0;\n\n\t}\n\n\tstatic triangulateShape( contour, holes ) {\n\n\t\tconst vertices = []; // flat array of vertices like [ x0,y0, x1,y1, x2,y2, ... ]\n\t\tconst holeIndices = []; // array of hole indices\n\t\tconst faces = []; // final array of vertex indices like [ [ a,b,d ], [ b,c,d ] ]\n\n\t\tremoveDupEndPts( contour );\n\t\taddContour( vertices, contour );\n\n\t\t//\n\n\t\tlet holeIndex = contour.length;\n\n\t\tholes.forEach( removeDupEndPts );\n\n\t\tfor ( let i = 0; i < holes.length; i ++ ) {\n\n\t\t\tholeIndices.push( holeIndex );\n\t\t\tholeIndex += holes[ i ].length;\n\t\t\taddContour( vertices, holes[ i ] );\n\n\t\t}\n\n\t\t//\n\n\t\tconst triangles = Earcut.triangulate( vertices, holeIndices );\n\n\t\t//\n\n\t\tfor ( let i = 0; i < triangles.length; i += 3 ) {\n\n\t\t\tfaces.push( triangles.slice( i, i + 3 ) );\n\n\t\t}\n\n\t\treturn faces;\n\n\t}\n\n}\n\nfunction removeDupEndPts( points ) {\n\n\tconst l = points.length;\n\n\tif ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) {\n\n\t\tpoints.pop();\n\n\t}\n\n}\n\nfunction addContour( vertices, contour ) {\n\n\tfor ( let i = 0; i < contour.length; i ++ ) {\n\n\t\tvertices.push( contour[ i ].x );\n\t\tvertices.push( contour[ i ].y );\n\n\t}\n\n}\n\n/**\n * Creates extruded geometry from a path shape.\n *\n * parameters = {\n *\n * curveSegments: , // number of points on the curves\n * steps: , // number of points for z-side extrusions / used for subdividing segments of extrude spline too\n * depth: , // Depth to extrude the shape\n *\n * bevelEnabled: , // turn on bevel\n * bevelThickness: , // how deep into the original shape bevel goes\n * bevelSize: , // how far from shape outline (including bevelOffset) is bevel\n * bevelOffset: , // how far from shape outline does bevel start\n * bevelSegments: , // number of bevel layers\n *\n * extrudePath: // curve to extrude shape along\n *\n * UVGenerator: // object that provides UV generator functions\n *\n * }\n */\n\n\nclass ExtrudeGeometry extends BufferGeometry {\n\n\tconstructor( shapes = new Shape( [ new Vector2( 0.5, 0.5 ), new Vector2( - 0.5, 0.5 ), new Vector2( - 0.5, - 0.5 ), new Vector2( 0.5, - 0.5 ) ] ), options = {} ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ExtrudeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tshapes: shapes,\n\t\t\toptions: options\n\t\t};\n\n\t\tshapes = Array.isArray( shapes ) ? shapes : [ shapes ];\n\n\t\tconst scope = this;\n\n\t\tconst verticesArray = [];\n\t\tconst uvArray = [];\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\t\t\taddShape( shape );\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( verticesArray, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvArray, 2 ) );\n\n\t\tthis.computeVertexNormals();\n\n\t\t// functions\n\n\t\tfunction addShape( shape ) {\n\n\t\t\tconst placeholder = [];\n\n\t\t\t// options\n\n\t\t\tconst curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12;\n\t\t\tconst steps = options.steps !== undefined ? options.steps : 1;\n\t\t\tconst depth = options.depth !== undefined ? options.depth : 1;\n\n\t\t\tlet bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true;\n\t\t\tlet bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 0.2;\n\t\t\tlet bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 0.1;\n\t\t\tlet bevelOffset = options.bevelOffset !== undefined ? options.bevelOffset : 0;\n\t\t\tlet bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3;\n\n\t\t\tconst extrudePath = options.extrudePath;\n\n\t\t\tconst uvgen = options.UVGenerator !== undefined ? options.UVGenerator : WorldUVGenerator;\n\n\t\t\t//\n\n\t\t\tlet extrudePts, extrudeByPath = false;\n\t\t\tlet splineTube, binormal, normal, position2;\n\n\t\t\tif ( extrudePath ) {\n\n\t\t\t\textrudePts = extrudePath.getSpacedPoints( steps );\n\n\t\t\t\textrudeByPath = true;\n\t\t\t\tbevelEnabled = false; // bevels not supported for path extrusion\n\n\t\t\t\t// SETUP TNB variables\n\n\t\t\t\t// TODO1 - have a .isClosed in spline?\n\n\t\t\t\tsplineTube = extrudePath.computeFrenetFrames( steps, false );\n\n\t\t\t\t// console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length);\n\n\t\t\t\tbinormal = new Vector3();\n\t\t\t\tnormal = new Vector3();\n\t\t\t\tposition2 = new Vector3();\n\n\t\t\t}\n\n\t\t\t// Safeguards if bevels are not enabled\n\n\t\t\tif ( ! bevelEnabled ) {\n\n\t\t\t\tbevelSegments = 0;\n\t\t\t\tbevelThickness = 0;\n\t\t\t\tbevelSize = 0;\n\t\t\t\tbevelOffset = 0;\n\n\t\t\t}\n\n\t\t\t// Variables initialization\n\n\t\t\tconst shapePoints = shape.extractPoints( curveSegments );\n\n\t\t\tlet vertices = shapePoints.shape;\n\t\t\tconst holes = shapePoints.holes;\n\n\t\t\tconst reverse = ! ShapeUtils.isClockWise( vertices );\n\n\t\t\tif ( reverse ) {\n\n\t\t\t\tvertices = vertices.reverse();\n\n\t\t\t\t// Maybe we should also check if holes are in the opposite direction, just to be safe ...\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\t\tif ( ShapeUtils.isClockWise( ahole ) ) {\n\n\t\t\t\t\t\tholes[ h ] = ahole.reverse();\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\tconst faces = ShapeUtils.triangulateShape( vertices, holes );\n\n\t\t\t/* Vertices */\n\n\t\t\tconst contour = vertices; // vertices has all points but contour has only points of circumference\n\n\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\tvertices = vertices.concat( ahole );\n\n\t\t\t}\n\n\n\t\t\tfunction scalePt2( pt, vec, size ) {\n\n\t\t\t\tif ( ! vec ) console.error( 'THREE.ExtrudeGeometry: vec does not exist' );\n\n\t\t\t\treturn pt.clone().addScaledVector( vec, size );\n\n\t\t\t}\n\n\t\t\tconst vlen = vertices.length, flen = faces.length;\n\n\n\t\t\t// Find directions for point movement\n\n\n\t\t\tfunction getBevelVec( inPt, inPrev, inNext ) {\n\n\t\t\t\t// computes for inPt the corresponding point inPt' on a new contour\n\t\t\t\t// shifted by 1 unit (length of normalized vector) to the left\n\t\t\t\t// if we walk along contour clockwise, this new contour is outside the old one\n\t\t\t\t//\n\t\t\t\t// inPt' is the intersection of the two lines parallel to the two\n\t\t\t\t// adjacent edges of inPt at a distance of 1 unit on the left side.\n\n\t\t\t\tlet v_trans_x, v_trans_y, shrink_by; // resulting translation vector for inPt\n\n\t\t\t\t// good reading for geometry algorithms (here: line-line intersection)\n\t\t\t\t// http://geomalgorithms.com/a05-_intersect-1.html\n\n\t\t\t\tconst v_prev_x = inPt.x - inPrev.x,\n\t\t\t\t\tv_prev_y = inPt.y - inPrev.y;\n\t\t\t\tconst v_next_x = inNext.x - inPt.x,\n\t\t\t\t\tv_next_y = inNext.y - inPt.y;\n\n\t\t\t\tconst v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y );\n\n\t\t\t\t// check for collinear edges\n\t\t\t\tconst collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\tif ( Math.abs( collinear0 ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not collinear\n\n\t\t\t\t\t// length of vectors for normalizing\n\n\t\t\t\t\tconst v_prev_len = Math.sqrt( v_prev_lensq );\n\t\t\t\t\tconst v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y );\n\n\t\t\t\t\t// shift adjacent points by unit vectors to the left\n\n\t\t\t\t\tconst ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len );\n\t\t\t\t\tconst ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len );\n\n\t\t\t\t\tconst ptNextShift_x = ( inNext.x - v_next_y / v_next_len );\n\t\t\t\t\tconst ptNextShift_y = ( inNext.y + v_next_x / v_next_len );\n\n\t\t\t\t\t// scaling factor for v_prev to intersection point\n\n\t\t\t\t\tconst sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y -\n\t\t\t\t\t\t\t( ptNextShift_y - ptPrevShift_y ) * v_next_x ) /\n\t\t\t\t\t\t( v_prev_x * v_next_y - v_prev_y * v_next_x );\n\n\t\t\t\t\t// vector from inPt to intersection point\n\n\t\t\t\t\tv_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x );\n\t\t\t\t\tv_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y );\n\n\t\t\t\t\t// Don't normalize!, otherwise sharp corners become ugly\n\t\t\t\t\t// but prevent crazy spikes\n\t\t\t\t\tconst v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y );\n\t\t\t\t\tif ( v_trans_lensq <= 2 ) {\n\n\t\t\t\t\t\treturn new Vector2( v_trans_x, v_trans_y );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_trans_lensq / 2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// handle special case of collinear edges\n\n\t\t\t\t\tlet direction_eq = false; // assumes: opposite\n\n\t\t\t\t\tif ( v_prev_x > Number.EPSILON ) {\n\n\t\t\t\t\t\tif ( v_next_x > Number.EPSILON ) {\n\n\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tif ( v_prev_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\tif ( v_next_x < - Number.EPSILON ) {\n\n\t\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tif ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) {\n\n\t\t\t\t\t\t\t\tdirection_eq = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( direction_eq ) {\n\n\t\t\t\t\t\t// console.log(\"Warning: lines are a straight sequence\");\n\t\t\t\t\t\tv_trans_x = - v_prev_y;\n\t\t\t\t\t\tv_trans_y = v_prev_x;\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// console.log(\"Warning: lines are a straight spike\");\n\t\t\t\t\t\tv_trans_x = v_prev_x;\n\t\t\t\t\t\tv_trans_y = v_prev_y;\n\t\t\t\t\t\tshrink_by = Math.sqrt( v_prev_lensq / 2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\treturn new Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by );\n\n\t\t\t}\n\n\n\t\t\tconst contourMovements = [];\n\n\t\t\tfor ( let i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t// (j)---(i)---(k)\n\t\t\t\t// console.log('i,j,k', i, j , k)\n\n\t\t\t\tcontourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] );\n\n\t\t\t}\n\n\t\t\tconst holesMovements = [];\n\t\t\tlet oneHoleMovements, verticesMovements = contourMovements.concat();\n\n\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\tconst ahole = holes[ h ];\n\n\t\t\t\toneHoleMovements = [];\n\n\t\t\t\tfor ( let i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) {\n\n\t\t\t\t\tif ( j === il ) j = 0;\n\t\t\t\t\tif ( k === il ) k = 0;\n\n\t\t\t\t\t// (j)---(i)---(k)\n\t\t\t\t\toneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] );\n\n\t\t\t\t}\n\n\t\t\t\tholesMovements.push( oneHoleMovements );\n\t\t\t\tverticesMovements = verticesMovements.concat( oneHoleMovements );\n\n\t\t\t}\n\n\n\t\t\t// Loop bevelSegments, 1 for the front, 1 for the back\n\n\t\t\tfor ( let b = 0; b < bevelSegments; b ++ ) {\n\n\t\t\t\t//for ( b = bevelSegments; b > 0; b -- ) {\n\n\t\t\t\tconst t = b / bevelSegments;\n\t\t\t\tconst z = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\t\tconst bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset;\n\n\t\t\t\t// contract shape\n\n\t\t\t\tfor ( let i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst vert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\n\t\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t\t}\n\n\t\t\t\t// expand holes\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\t\tfor ( let i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\t\tv( vert.x, vert.y, - z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst bs = bevelSize + bevelOffset;\n\n\t\t\t// Back facing vertices\n\n\t\t\tfor ( let i = 0; i < vlen; i ++ ) {\n\n\t\t\t\tconst vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\tv( vert.x, vert.y, 0 );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x );\n\n\t\t\t\t\tnormal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x );\n\t\t\t\t\tbinormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\tposition2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal );\n\n\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Add stepped vertices...\n\t\t\t// Including front facing vertices\n\n\t\t\tfor ( let s = 1; s <= steps; s ++ ) {\n\n\t\t\t\tfor ( let i = 0; i < vlen; i ++ ) {\n\n\t\t\t\t\tconst vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ];\n\n\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\tv( vert.x, vert.y, depth / steps * s );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x );\n\n\t\t\t\t\t\tnormal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x );\n\t\t\t\t\t\tbinormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y );\n\n\t\t\t\t\t\tposition2.copy( extrudePts[ s ] ).add( normal ).add( binormal );\n\n\t\t\t\t\t\tv( position2.x, position2.y, position2.z );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\t\t\t// Add bevel segments planes\n\n\t\t\t//for ( b = 1; b <= bevelSegments; b ++ ) {\n\t\t\tfor ( let b = bevelSegments - 1; b >= 0; b -- ) {\n\n\t\t\t\tconst t = b / bevelSegments;\n\t\t\t\tconst z = bevelThickness * Math.cos( t * Math.PI / 2 );\n\t\t\t\tconst bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset;\n\n\t\t\t\t// contract shape\n\n\t\t\t\tfor ( let i = 0, il = contour.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst vert = scalePt2( contour[ i ], contourMovements[ i ], bs );\n\t\t\t\t\tv( vert.x, vert.y, depth + z );\n\n\t\t\t\t}\n\n\t\t\t\t// expand holes\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\toneHoleMovements = holesMovements[ h ];\n\n\t\t\t\t\tfor ( let i = 0, il = ahole.length; i < il; i ++ ) {\n\n\t\t\t\t\t\tconst vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs );\n\n\t\t\t\t\t\tif ( ! extrudeByPath ) {\n\n\t\t\t\t\t\t\tv( vert.x, vert.y, depth + z );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tv( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t/* Faces */\n\n\t\t\t// Top and bottom faces\n\n\t\t\tbuildLidFaces();\n\n\t\t\t// Sides faces\n\n\t\t\tbuildSideFaces();\n\n\n\t\t\t///// Internal functions\n\n\t\t\tfunction buildLidFaces() {\n\n\t\t\t\tconst start = verticesArray.length / 3;\n\n\t\t\t\tif ( bevelEnabled ) {\n\n\t\t\t\t\tlet layer = 0; // steps + 1\n\t\t\t\t\tlet offset = vlen * layer;\n\n\t\t\t\t\t// Bottom faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tlayer = steps + bevelSegments * 2;\n\t\t\t\t\toffset = vlen * layer;\n\n\t\t\t\t\t// Top faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Bottom faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 2 ], face[ 1 ], face[ 0 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Top faces\n\n\t\t\t\t\tfor ( let i = 0; i < flen; i ++ ) {\n\n\t\t\t\t\t\tconst face = faces[ i ];\n\t\t\t\t\t\tf3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tscope.addGroup( start, verticesArray.length / 3 - start, 0 );\n\n\t\t\t}\n\n\t\t\t// Create faces for the z-sides of the shape\n\n\t\t\tfunction buildSideFaces() {\n\n\t\t\t\tconst start = verticesArray.length / 3;\n\t\t\t\tlet layeroffset = 0;\n\t\t\t\tsidewalls( contour, layeroffset );\n\t\t\t\tlayeroffset += contour.length;\n\n\t\t\t\tfor ( let h = 0, hl = holes.length; h < hl; h ++ ) {\n\n\t\t\t\t\tconst ahole = holes[ h ];\n\t\t\t\t\tsidewalls( ahole, layeroffset );\n\n\t\t\t\t\t//, true\n\t\t\t\t\tlayeroffset += ahole.length;\n\n\t\t\t\t}\n\n\n\t\t\t\tscope.addGroup( start, verticesArray.length / 3 - start, 1 );\n\n\n\t\t\t}\n\n\t\t\tfunction sidewalls( contour, layeroffset ) {\n\n\t\t\t\tlet i = contour.length;\n\n\t\t\t\twhile ( -- i >= 0 ) {\n\n\t\t\t\t\tconst j = i;\n\t\t\t\t\tlet k = i - 1;\n\t\t\t\t\tif ( k < 0 ) k = contour.length - 1;\n\n\t\t\t\t\t//console.log('b', i,j, i-1, k,vertices.length);\n\n\t\t\t\t\tfor ( let s = 0, sl = ( steps + bevelSegments * 2 ); s < sl; s ++ ) {\n\n\t\t\t\t\t\tconst slen1 = vlen * s;\n\t\t\t\t\t\tconst slen2 = vlen * ( s + 1 );\n\n\t\t\t\t\t\tconst a = layeroffset + j + slen1,\n\t\t\t\t\t\t\tb = layeroffset + k + slen1,\n\t\t\t\t\t\t\tc = layeroffset + k + slen2,\n\t\t\t\t\t\t\td = layeroffset + j + slen2;\n\n\t\t\t\t\t\tf4( a, b, c, d );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tfunction v( x, y, z ) {\n\n\t\t\t\tplaceholder.push( x );\n\t\t\t\tplaceholder.push( y );\n\t\t\t\tplaceholder.push( z );\n\n\t\t\t}\n\n\n\t\t\tfunction f3( a, b, c ) {\n\n\t\t\t\taddVertex( a );\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( c );\n\n\t\t\t\tconst nextIndex = verticesArray.length / 3;\n\t\t\t\tconst uvs = uvgen.generateTopUV( scope, verticesArray, nextIndex - 3, nextIndex - 2, nextIndex - 1 );\n\n\t\t\t\taddUV( uvs[ 0 ] );\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 2 ] );\n\n\t\t\t}\n\n\t\t\tfunction f4( a, b, c, d ) {\n\n\t\t\t\taddVertex( a );\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( d );\n\n\t\t\t\taddVertex( b );\n\t\t\t\taddVertex( c );\n\t\t\t\taddVertex( d );\n\n\n\t\t\t\tconst nextIndex = verticesArray.length / 3;\n\t\t\t\tconst uvs = uvgen.generateSideWallUV( scope, verticesArray, nextIndex - 6, nextIndex - 3, nextIndex - 2, nextIndex - 1 );\n\n\t\t\t\taddUV( uvs[ 0 ] );\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 3 ] );\n\n\t\t\t\taddUV( uvs[ 1 ] );\n\t\t\t\taddUV( uvs[ 2 ] );\n\t\t\t\taddUV( uvs[ 3 ] );\n\n\t\t\t}\n\n\t\t\tfunction addVertex( index ) {\n\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 0 ] );\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 1 ] );\n\t\t\t\tverticesArray.push( placeholder[ index * 3 + 2 ] );\n\n\t\t\t}\n\n\n\t\t\tfunction addUV( vector2 ) {\n\n\t\t\t\tuvArray.push( vector2.x );\n\t\t\t\tuvArray.push( vector2.y );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tconst shapes = this.parameters.shapes;\n\t\tconst options = this.parameters.options;\n\n\t\treturn toJSON$1( shapes, options, data );\n\n\t}\n\n\tstatic fromJSON( data, shapes ) {\n\n\t\tconst geometryShapes = [];\n\n\t\tfor ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) {\n\n\t\t\tconst shape = shapes[ data.shapes[ j ] ];\n\n\t\t\tgeometryShapes.push( shape );\n\n\t\t}\n\n\t\tconst extrudePath = data.options.extrudePath;\n\n\t\tif ( extrudePath !== undefined ) {\n\n\t\t\tdata.options.extrudePath = new Curves[ extrudePath.type ]().fromJSON( extrudePath );\n\n\t\t}\n\n\t\treturn new ExtrudeGeometry( geometryShapes, data.options );\n\n\t}\n\n}\n\nconst WorldUVGenerator = {\n\n\tgenerateTopUV: function ( geometry, vertices, indexA, indexB, indexC ) {\n\n\t\tconst a_x = vertices[ indexA * 3 ];\n\t\tconst a_y = vertices[ indexA * 3 + 1 ];\n\t\tconst b_x = vertices[ indexB * 3 ];\n\t\tconst b_y = vertices[ indexB * 3 + 1 ];\n\t\tconst c_x = vertices[ indexC * 3 ];\n\t\tconst c_y = vertices[ indexC * 3 + 1 ];\n\n\t\treturn [\n\t\t\tnew Vector2( a_x, a_y ),\n\t\t\tnew Vector2( b_x, b_y ),\n\t\t\tnew Vector2( c_x, c_y )\n\t\t];\n\n\t},\n\n\tgenerateSideWallUV: function ( geometry, vertices, indexA, indexB, indexC, indexD ) {\n\n\t\tconst a_x = vertices[ indexA * 3 ];\n\t\tconst a_y = vertices[ indexA * 3 + 1 ];\n\t\tconst a_z = vertices[ indexA * 3 + 2 ];\n\t\tconst b_x = vertices[ indexB * 3 ];\n\t\tconst b_y = vertices[ indexB * 3 + 1 ];\n\t\tconst b_z = vertices[ indexB * 3 + 2 ];\n\t\tconst c_x = vertices[ indexC * 3 ];\n\t\tconst c_y = vertices[ indexC * 3 + 1 ];\n\t\tconst c_z = vertices[ indexC * 3 + 2 ];\n\t\tconst d_x = vertices[ indexD * 3 ];\n\t\tconst d_y = vertices[ indexD * 3 + 1 ];\n\t\tconst d_z = vertices[ indexD * 3 + 2 ];\n\n\t\tif ( Math.abs( a_y - b_y ) < Math.abs( a_x - b_x ) ) {\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a_x, 1 - a_z ),\n\t\t\t\tnew Vector2( b_x, 1 - b_z ),\n\t\t\t\tnew Vector2( c_x, 1 - c_z ),\n\t\t\t\tnew Vector2( d_x, 1 - d_z )\n\t\t\t];\n\n\t\t} else {\n\n\t\t\treturn [\n\t\t\t\tnew Vector2( a_y, 1 - a_z ),\n\t\t\t\tnew Vector2( b_y, 1 - b_z ),\n\t\t\t\tnew Vector2( c_y, 1 - c_z ),\n\t\t\t\tnew Vector2( d_y, 1 - d_z )\n\t\t\t];\n\n\t\t}\n\n\t}\n\n};\n\nfunction toJSON$1( shapes, options, data ) {\n\n\tdata.shapes = [];\n\n\tif ( Array.isArray( shapes ) ) {\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\n\t\t\tdata.shapes.push( shape.uuid );\n\n\t\t}\n\n\t} else {\n\n\t\tdata.shapes.push( shapes.uuid );\n\n\t}\n\n\tdata.options = Object.assign( {}, options );\n\n\tif ( options.extrudePath !== undefined ) data.options.extrudePath = options.extrudePath.toJSON();\n\n\treturn data;\n\n}\n\nclass IcosahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst t = ( 1 + Math.sqrt( 5 ) ) / 2;\n\n\t\tconst vertices = [\n\t\t\t- 1, t, 0, \t1, t, 0, \t- 1, - t, 0, \t1, - t, 0,\n\t\t\t0, - 1, t, \t0, 1, t,\t0, - 1, - t, \t0, 1, - t,\n\t\t\tt, 0, - 1, \tt, 0, 1, \t- t, 0, - 1, \t- t, 0, 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t0, 11, 5, \t0, 5, 1, \t0, 1, 7, \t0, 7, 10, \t0, 10, 11,\n\t\t\t1, 5, 9, \t5, 11, 4,\t11, 10, 2,\t10, 7, 6,\t7, 1, 8,\n\t\t\t3, 9, 4, \t3, 4, 2,\t3, 2, 6,\t3, 6, 8,\t3, 8, 9,\n\t\t\t4, 9, 5, \t2, 4, 11,\t6, 2, 10,\t8, 6, 7,\t9, 8, 1\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'IcosahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new IcosahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nclass OctahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst vertices = [\n\t\t\t1, 0, 0, \t- 1, 0, 0,\t0, 1, 0,\n\t\t\t0, - 1, 0, \t0, 0, 1,\t0, 0, - 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t0, 2, 4,\t0, 4, 3,\t0, 3, 5,\n\t\t\t0, 5, 2,\t1, 2, 5,\t1, 5, 3,\n\t\t\t1, 3, 4,\t1, 4, 2\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'OctahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new OctahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nclass PlaneGeometry extends BufferGeometry {\n\n\tconstructor( width = 1, height = 1, widthSegments = 1, heightSegments = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'PlaneGeometry';\n\n\t\tthis.parameters = {\n\t\t\twidth: width,\n\t\t\theight: height,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments\n\t\t};\n\n\t\tconst width_half = width / 2;\n\t\tconst height_half = height / 2;\n\n\t\tconst gridX = Math.floor( widthSegments );\n\t\tconst gridY = Math.floor( heightSegments );\n\n\t\tconst gridX1 = gridX + 1;\n\t\tconst gridY1 = gridY + 1;\n\n\t\tconst segment_width = width / gridX;\n\t\tconst segment_height = height / gridY;\n\n\t\t//\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\tfor ( let iy = 0; iy < gridY1; iy ++ ) {\n\n\t\t\tconst y = iy * segment_height - height_half;\n\n\t\t\tfor ( let ix = 0; ix < gridX1; ix ++ ) {\n\n\t\t\t\tconst x = ix * segment_width - width_half;\n\n\t\t\t\tvertices.push( x, - y, 0 );\n\n\t\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t\tuvs.push( ix / gridX );\n\t\t\t\tuvs.push( 1 - ( iy / gridY ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfor ( let iy = 0; iy < gridY; iy ++ ) {\n\n\t\t\tfor ( let ix = 0; ix < gridX; ix ++ ) {\n\n\t\t\t\tconst a = ix + gridX1 * iy;\n\t\t\t\tconst b = ix + gridX1 * ( iy + 1 );\n\t\t\t\tconst c = ( ix + 1 ) + gridX1 * ( iy + 1 );\n\t\t\t\tconst d = ( ix + 1 ) + gridX1 * iy;\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new PlaneGeometry( data.width, data.height, data.widthSegments, data.heightSegments );\n\n\t}\n\n}\n\nclass RingGeometry extends BufferGeometry {\n\n\tconstructor( innerRadius = 0.5, outerRadius = 1, thetaSegments = 32, phiSegments = 1, thetaStart = 0, thetaLength = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'RingGeometry';\n\n\t\tthis.parameters = {\n\t\t\tinnerRadius: innerRadius,\n\t\t\touterRadius: outerRadius,\n\t\t\tthetaSegments: thetaSegments,\n\t\t\tphiSegments: phiSegments,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\tthetaSegments = Math.max( 3, thetaSegments );\n\t\tphiSegments = Math.max( 1, phiSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// some helper variables\n\n\t\tlet radius = innerRadius;\n\t\tconst radiusStep = ( ( outerRadius - innerRadius ) / phiSegments );\n\t\tconst vertex = new Vector3();\n\t\tconst uv = new Vector2();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let j = 0; j <= phiSegments; j ++ ) {\n\n\t\t\tfor ( let i = 0; i <= thetaSegments; i ++ ) {\n\n\t\t\t\t// values are generate from the inside of the ring to the outside\n\n\t\t\t\tconst segment = thetaStart + i / thetaSegments * thetaLength;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = radius * Math.cos( segment );\n\t\t\t\tvertex.y = radius * Math.sin( segment );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormals.push( 0, 0, 1 );\n\n\t\t\t\t// uv\n\n\t\t\t\tuv.x = ( vertex.x / outerRadius + 1 ) / 2;\n\t\t\t\tuv.y = ( vertex.y / outerRadius + 1 ) / 2;\n\n\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t}\n\n\t\t\t// increase the radius for next row of vertices\n\n\t\t\tradius += radiusStep;\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let j = 0; j < phiSegments; j ++ ) {\n\n\t\t\tconst thetaSegmentLevel = j * ( thetaSegments + 1 );\n\n\t\t\tfor ( let i = 0; i < thetaSegments; i ++ ) {\n\n\t\t\t\tconst segment = i + thetaSegmentLevel;\n\n\t\t\t\tconst a = segment;\n\t\t\t\tconst b = segment + thetaSegments + 1;\n\t\t\t\tconst c = segment + thetaSegments + 2;\n\t\t\t\tconst d = segment + 1;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new RingGeometry( data.innerRadius, data.outerRadius, data.thetaSegments, data.phiSegments, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass ShapeGeometry extends BufferGeometry {\n\n\tconstructor( shapes = new Shape( [ new Vector2( 0, 0.5 ), new Vector2( - 0.5, - 0.5 ), new Vector2( 0.5, - 0.5 ) ] ), curveSegments = 12 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ShapeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tshapes: shapes,\n\t\t\tcurveSegments: curveSegments\n\t\t};\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tlet groupStart = 0;\n\t\tlet groupCount = 0;\n\n\t\t// allow single and array values for \"shapes\" parameter\n\n\t\tif ( Array.isArray( shapes ) === false ) {\n\n\t\t\taddShape( shapes );\n\n\t\t} else {\n\n\t\t\tfor ( let i = 0; i < shapes.length; i ++ ) {\n\n\t\t\t\taddShape( shapes[ i ] );\n\n\t\t\t\tthis.addGroup( groupStart, groupCount, i ); // enables MultiMaterial support\n\n\t\t\t\tgroupStart += groupCount;\n\t\t\t\tgroupCount = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\n\t\t// helper functions\n\n\t\tfunction addShape( shape ) {\n\n\t\t\tconst indexOffset = vertices.length / 3;\n\t\t\tconst points = shape.extractPoints( curveSegments );\n\n\t\t\tlet shapeVertices = points.shape;\n\t\t\tconst shapeHoles = points.holes;\n\n\t\t\t// check direction of vertices\n\n\t\t\tif ( ShapeUtils.isClockWise( shapeVertices ) === false ) {\n\n\t\t\t\tshapeVertices = shapeVertices.reverse();\n\n\t\t\t}\n\n\t\t\tfor ( let i = 0, l = shapeHoles.length; i < l; i ++ ) {\n\n\t\t\t\tconst shapeHole = shapeHoles[ i ];\n\n\t\t\t\tif ( ShapeUtils.isClockWise( shapeHole ) === true ) {\n\n\t\t\t\t\tshapeHoles[ i ] = shapeHole.reverse();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconst faces = ShapeUtils.triangulateShape( shapeVertices, shapeHoles );\n\n\t\t\t// join vertices of inner and outer paths to a single array\n\n\t\t\tfor ( let i = 0, l = shapeHoles.length; i < l; i ++ ) {\n\n\t\t\t\tconst shapeHole = shapeHoles[ i ];\n\t\t\t\tshapeVertices = shapeVertices.concat( shapeHole );\n\n\t\t\t}\n\n\t\t\t// vertices, normals, uvs\n\n\t\t\tfor ( let i = 0, l = shapeVertices.length; i < l; i ++ ) {\n\n\t\t\t\tconst vertex = shapeVertices[ i ];\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, 0 );\n\t\t\t\tnormals.push( 0, 0, 1 );\n\t\t\t\tuvs.push( vertex.x, vertex.y ); // world uvs\n\n\t\t\t}\n\n\t\t\t// indices\n\n\t\t\tfor ( let i = 0, l = faces.length; i < l; i ++ ) {\n\n\t\t\t\tconst face = faces[ i ];\n\n\t\t\t\tconst a = face[ 0 ] + indexOffset;\n\t\t\t\tconst b = face[ 1 ] + indexOffset;\n\t\t\t\tconst c = face[ 2 ] + indexOffset;\n\n\t\t\t\tindices.push( a, b, c );\n\t\t\t\tgroupCount += 3;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tconst shapes = this.parameters.shapes;\n\n\t\treturn toJSON( shapes, data );\n\n\t}\n\n\tstatic fromJSON( data, shapes ) {\n\n\t\tconst geometryShapes = [];\n\n\t\tfor ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) {\n\n\t\t\tconst shape = shapes[ data.shapes[ j ] ];\n\n\t\t\tgeometryShapes.push( shape );\n\n\t\t}\n\n\t\treturn new ShapeGeometry( geometryShapes, data.curveSegments );\n\n\t}\n\n}\n\nfunction toJSON( shapes, data ) {\n\n\tdata.shapes = [];\n\n\tif ( Array.isArray( shapes ) ) {\n\n\t\tfor ( let i = 0, l = shapes.length; i < l; i ++ ) {\n\n\t\t\tconst shape = shapes[ i ];\n\n\t\t\tdata.shapes.push( shape.uuid );\n\n\t\t}\n\n\t} else {\n\n\t\tdata.shapes.push( shapes.uuid );\n\n\t}\n\n\treturn data;\n\n}\n\nclass SphereGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, widthSegments = 32, heightSegments = 16, phiStart = 0, phiLength = Math.PI * 2, thetaStart = 0, thetaLength = Math.PI ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'SphereGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\twidthSegments: widthSegments,\n\t\t\theightSegments: heightSegments,\n\t\t\tphiStart: phiStart,\n\t\t\tphiLength: phiLength,\n\t\t\tthetaStart: thetaStart,\n\t\t\tthetaLength: thetaLength\n\t\t};\n\n\t\twidthSegments = Math.max( 3, Math.floor( widthSegments ) );\n\t\theightSegments = Math.max( 2, Math.floor( heightSegments ) );\n\n\t\tconst thetaEnd = Math.min( thetaStart + thetaLength, Math.PI );\n\n\t\tlet index = 0;\n\t\tconst grid = [];\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let iy = 0; iy <= heightSegments; iy ++ ) {\n\n\t\t\tconst verticesRow = [];\n\n\t\t\tconst v = iy / heightSegments;\n\n\t\t\t// special case for the poles\n\n\t\t\tlet uOffset = 0;\n\n\t\t\tif ( iy === 0 && thetaStart === 0 ) {\n\n\t\t\t\tuOffset = 0.5 / widthSegments;\n\n\t\t\t} else if ( iy === heightSegments && thetaEnd === Math.PI ) {\n\n\t\t\t\tuOffset = - 0.5 / widthSegments;\n\n\t\t\t}\n\n\t\t\tfor ( let ix = 0; ix <= widthSegments; ix ++ ) {\n\n\t\t\t\tconst u = ix / widthSegments;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\t\t\t\tvertex.y = radius * Math.cos( thetaStart + v * thetaLength );\n\t\t\t\tvertex.z = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.copy( vertex ).normalize();\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( u + uOffset, 1 - v );\n\n\t\t\t\tverticesRow.push( index ++ );\n\n\t\t\t}\n\n\t\t\tgrid.push( verticesRow );\n\n\t\t}\n\n\t\t// indices\n\n\t\tfor ( let iy = 0; iy < heightSegments; iy ++ ) {\n\n\t\t\tfor ( let ix = 0; ix < widthSegments; ix ++ ) {\n\n\t\t\t\tconst a = grid[ iy ][ ix + 1 ];\n\t\t\t\tconst b = grid[ iy ][ ix ];\n\t\t\t\tconst c = grid[ iy + 1 ][ ix ];\n\t\t\t\tconst d = grid[ iy + 1 ][ ix + 1 ];\n\n\t\t\t\tif ( iy !== 0 || thetaStart > 0 ) indices.push( a, b, d );\n\t\t\t\tif ( iy !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new SphereGeometry( data.radius, data.widthSegments, data.heightSegments, data.phiStart, data.phiLength, data.thetaStart, data.thetaLength );\n\n\t}\n\n}\n\nclass TetrahedronGeometry extends PolyhedronGeometry {\n\n\tconstructor( radius = 1, detail = 0 ) {\n\n\t\tconst vertices = [\n\t\t\t1, 1, 1, \t- 1, - 1, 1, \t- 1, 1, - 1, \t1, - 1, - 1\n\t\t];\n\n\t\tconst indices = [\n\t\t\t2, 1, 0, \t0, 3, 2,\t1, 3, 0,\t2, 3, 1\n\t\t];\n\n\t\tsuper( vertices, indices, radius, detail );\n\n\t\tthis.type = 'TetrahedronGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\tdetail: detail\n\t\t};\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new TetrahedronGeometry( data.radius, data.detail );\n\n\t}\n\n}\n\nclass TorusGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, tube = 0.4, radialSegments = 12, tubularSegments = 48, arc = Math.PI * 2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'TorusGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\tradialSegments: radialSegments,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tarc: arc\n\t\t};\n\n\t\tradialSegments = Math.floor( radialSegments );\n\t\ttubularSegments = Math.floor( tubularSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst center = new Vector3();\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( let i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tconst u = i / tubularSegments * arc;\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u );\n\t\t\t\tvertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u );\n\t\t\t\tvertex.z = tube * Math.sin( v );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal\n\n\t\t\t\tcenter.x = radius * Math.cos( u );\n\t\t\t\tcenter.y = radius * Math.sin( u );\n\t\t\t\tnormal.subVectors( vertex, center ).normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( i / tubularSegments );\n\t\t\t\tuvs.push( j / radialSegments );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( let j = 1; j <= radialSegments; j ++ ) {\n\n\t\t\tfor ( let i = 1; i <= tubularSegments; i ++ ) {\n\n\t\t\t\t// indices\n\n\t\t\t\tconst a = ( tubularSegments + 1 ) * j + i - 1;\n\t\t\t\tconst b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1;\n\t\t\t\tconst c = ( tubularSegments + 1 ) * ( j - 1 ) + i;\n\t\t\t\tconst d = ( tubularSegments + 1 ) * j + i;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new TorusGeometry( data.radius, data.tube, data.radialSegments, data.tubularSegments, data.arc );\n\n\t}\n\n}\n\nclass TorusKnotGeometry extends BufferGeometry {\n\n\tconstructor( radius = 1, tube = 0.4, tubularSegments = 64, radialSegments = 8, p = 2, q = 3 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'TorusKnotGeometry';\n\n\t\tthis.parameters = {\n\t\t\tradius: radius,\n\t\t\ttube: tube,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradialSegments: radialSegments,\n\t\t\tp: p,\n\t\t\tq: q\n\t\t};\n\n\t\ttubularSegments = Math.floor( tubularSegments );\n\t\tradialSegments = Math.floor( radialSegments );\n\n\t\t// buffers\n\n\t\tconst indices = [];\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\n\t\tconst P1 = new Vector3();\n\t\tconst P2 = new Vector3();\n\n\t\tconst B = new Vector3();\n\t\tconst T = new Vector3();\n\t\tconst N = new Vector3();\n\n\t\t// generate vertices, normals and uvs\n\n\t\tfor ( let i = 0; i <= tubularSegments; ++ i ) {\n\n\t\t\t// the radian \"u\" is used to calculate the position on the torus curve of the current tubular segment\n\n\t\t\tconst u = i / tubularSegments * p * Math.PI * 2;\n\n\t\t\t// now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead.\n\t\t\t// these points are used to create a special \"coordinate space\", which is necessary to calculate the correct vertex positions\n\n\t\t\tcalculatePositionOnCurve( u, p, q, radius, P1 );\n\t\t\tcalculatePositionOnCurve( u + 0.01, p, q, radius, P2 );\n\n\t\t\t// calculate orthonormal basis\n\n\t\t\tT.subVectors( P2, P1 );\n\t\t\tN.addVectors( P2, P1 );\n\t\t\tB.crossVectors( T, N );\n\t\t\tN.crossVectors( B, T );\n\n\t\t\t// normalize B, N. T can be ignored, we don't use it\n\n\t\t\tB.normalize();\n\t\t\tN.normalize();\n\n\t\t\tfor ( let j = 0; j <= radialSegments; ++ j ) {\n\n\t\t\t\t// now calculate the vertices. they are nothing more than an extrusion of the torus curve.\n\t\t\t\t// because we extrude a shape in the xy-plane, there is no need to calculate a z-value.\n\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\t\t\t\tconst cx = - tube * Math.cos( v );\n\t\t\t\tconst cy = tube * Math.sin( v );\n\n\t\t\t\t// now calculate the final vertex position.\n\t\t\t\t// first we orient the extrusion with our basis vectors, then we add it to the current position on the curve\n\n\t\t\t\tvertex.x = P1.x + ( cx * N.x + cy * B.x );\n\t\t\t\tvertex.y = P1.y + ( cx * N.y + cy * B.y );\n\t\t\t\tvertex.z = P1.z + ( cx * N.z + cy * B.z );\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t\t// normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal)\n\n\t\t\t\tnormal.subVectors( vertex, P1 ).normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// uv\n\n\t\t\t\tuvs.push( i / tubularSegments );\n\t\t\t\tuvs.push( j / radialSegments );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// generate indices\n\n\t\tfor ( let j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\tfor ( let i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t// indices\n\n\t\t\t\tconst a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\tconst b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\tconst c = ( radialSegments + 1 ) * j + i;\n\t\t\t\tconst d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t// faces\n\n\t\t\t\tindices.push( a, b, d );\n\t\t\t\tindices.push( b, c, d );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\t// this function calculates the current position on the torus curve\n\n\t\tfunction calculatePositionOnCurve( u, p, q, radius, position ) {\n\n\t\t\tconst cu = Math.cos( u );\n\t\t\tconst su = Math.sin( u );\n\t\t\tconst quOverP = q / p * u;\n\t\t\tconst cs = Math.cos( quOverP );\n\n\t\t\tposition.x = radius * ( 2 + cs ) * 0.5 * cu;\n\t\t\tposition.y = radius * ( 2 + cs ) * su * 0.5;\n\t\t\tposition.z = radius * Math.sin( quOverP ) * 0.5;\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\treturn new TorusKnotGeometry( data.radius, data.tube, data.tubularSegments, data.radialSegments, data.p, data.q );\n\n\t}\n\n}\n\nclass TubeGeometry extends BufferGeometry {\n\n\tconstructor( path = new QuadraticBezierCurve3( new Vector3( - 1, - 1, 0 ), new Vector3( - 1, 1, 0 ), new Vector3( 1, 1, 0 ) ), tubularSegments = 64, radius = 1, radialSegments = 8, closed = false ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'TubeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tpath: path,\n\t\t\ttubularSegments: tubularSegments,\n\t\t\tradius: radius,\n\t\t\tradialSegments: radialSegments,\n\t\t\tclosed: closed\n\t\t};\n\n\t\tconst frames = path.computeFrenetFrames( tubularSegments, closed );\n\n\t\t// expose internals\n\n\t\tthis.tangents = frames.tangents;\n\t\tthis.normals = frames.normals;\n\t\tthis.binormals = frames.binormals;\n\n\t\t// helper variables\n\n\t\tconst vertex = new Vector3();\n\t\tconst normal = new Vector3();\n\t\tconst uv = new Vector2();\n\t\tlet P = new Vector3();\n\n\t\t// buffer\n\n\t\tconst vertices = [];\n\t\tconst normals = [];\n\t\tconst uvs = [];\n\t\tconst indices = [];\n\n\t\t// create buffer data\n\n\t\tgenerateBufferData();\n\n\t\t// build geometry\n\n\t\tthis.setIndex( indices );\n\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tthis.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) );\n\t\tthis.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );\n\n\t\t// functions\n\n\t\tfunction generateBufferData() {\n\n\t\t\tfor ( let i = 0; i < tubularSegments; i ++ ) {\n\n\t\t\t\tgenerateSegment( i );\n\n\t\t\t}\n\n\t\t\t// if the geometry is not closed, generate the last row of vertices and normals\n\t\t\t// at the regular position on the given path\n\t\t\t//\n\t\t\t// if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ)\n\n\t\t\tgenerateSegment( ( closed === false ) ? tubularSegments : 0 );\n\n\t\t\t// uvs are generated in a separate function.\n\t\t\t// this makes it easy compute correct values for closed geometries\n\n\t\t\tgenerateUVs();\n\n\t\t\t// finally create faces\n\n\t\t\tgenerateIndices();\n\n\t\t}\n\n\t\tfunction generateSegment( i ) {\n\n\t\t\t// we use getPointAt to sample evenly distributed points from the given path\n\n\t\t\tP = path.getPointAt( i / tubularSegments, P );\n\n\t\t\t// retrieve corresponding normal and binormal\n\n\t\t\tconst N = frames.normals[ i ];\n\t\t\tconst B = frames.binormals[ i ];\n\n\t\t\t// generate normals and vertices for the current segment\n\n\t\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\tconst v = j / radialSegments * Math.PI * 2;\n\n\t\t\t\tconst sin = Math.sin( v );\n\t\t\t\tconst cos = - Math.cos( v );\n\n\t\t\t\t// normal\n\n\t\t\t\tnormal.x = ( cos * N.x + sin * B.x );\n\t\t\t\tnormal.y = ( cos * N.y + sin * B.y );\n\t\t\t\tnormal.z = ( cos * N.z + sin * B.z );\n\t\t\t\tnormal.normalize();\n\n\t\t\t\tnormals.push( normal.x, normal.y, normal.z );\n\n\t\t\t\t// vertex\n\n\t\t\t\tvertex.x = P.x + radius * normal.x;\n\t\t\t\tvertex.y = P.y + radius * normal.y;\n\t\t\t\tvertex.z = P.z + radius * normal.z;\n\n\t\t\t\tvertices.push( vertex.x, vertex.y, vertex.z );\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateIndices() {\n\n\t\t\tfor ( let j = 1; j <= tubularSegments; j ++ ) {\n\n\t\t\t\tfor ( let i = 1; i <= radialSegments; i ++ ) {\n\n\t\t\t\t\tconst a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 );\n\t\t\t\t\tconst b = ( radialSegments + 1 ) * j + ( i - 1 );\n\t\t\t\t\tconst c = ( radialSegments + 1 ) * j + i;\n\t\t\t\t\tconst d = ( radialSegments + 1 ) * ( j - 1 ) + i;\n\n\t\t\t\t\t// faces\n\n\t\t\t\t\tindices.push( a, b, d );\n\t\t\t\t\tindices.push( b, c, d );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfunction generateUVs() {\n\n\t\t\tfor ( let i = 0; i <= tubularSegments; i ++ ) {\n\n\t\t\t\tfor ( let j = 0; j <= radialSegments; j ++ ) {\n\n\t\t\t\t\tuv.x = i / tubularSegments;\n\t\t\t\t\tuv.y = j / radialSegments;\n\n\t\t\t\t\tuvs.push( uv.x, uv.y );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.path = this.parameters.path.toJSON();\n\n\t\treturn data;\n\n\t}\n\n\tstatic fromJSON( data ) {\n\n\t\t// This only works for built-in curves (e.g. CatmullRomCurve3).\n\t\t// User defined curves or instances of CurvePath will not be deserialized.\n\t\treturn new TubeGeometry(\n\t\t\tnew Curves[ data.path.type ]().fromJSON( data.path ),\n\t\t\tdata.tubularSegments,\n\t\t\tdata.radius,\n\t\t\tdata.radialSegments,\n\t\t\tdata.closed\n\t\t);\n\n\t}\n\n}\n\nclass WireframeGeometry extends BufferGeometry {\n\n\tconstructor( geometry = null ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'WireframeGeometry';\n\n\t\tthis.parameters = {\n\t\t\tgeometry: geometry\n\t\t};\n\n\t\tif ( geometry !== null ) {\n\n\t\t\t// buffer\n\n\t\t\tconst vertices = [];\n\t\t\tconst edges = new Set();\n\n\t\t\t// helper variables\n\n\t\t\tconst start = new Vector3();\n\t\t\tconst end = new Vector3();\n\n\t\t\tif ( geometry.index !== null ) {\n\n\t\t\t\t// indexed BufferGeometry\n\n\t\t\t\tconst position = geometry.attributes.position;\n\t\t\t\tconst indices = geometry.index;\n\t\t\t\tlet groups = geometry.groups;\n\n\t\t\t\tif ( groups.length === 0 ) {\n\n\t\t\t\t\tgroups = [ { start: 0, count: indices.count, materialIndex: 0 } ];\n\n\t\t\t\t}\n\n\t\t\t\t// create a data structure that contains all edges without duplicates\n\n\t\t\t\tfor ( let o = 0, ol = groups.length; o < ol; ++ o ) {\n\n\t\t\t\t\tconst group = groups[ o ];\n\n\t\t\t\t\tconst groupStart = group.start;\n\t\t\t\t\tconst groupCount = group.count;\n\n\t\t\t\t\tfor ( let i = groupStart, l = ( groupStart + groupCount ); i < l; i += 3 ) {\n\n\t\t\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t\tconst index1 = indices.getX( i + j );\n\t\t\t\t\t\t\tconst index2 = indices.getX( i + ( j + 1 ) % 3 );\n\n\t\t\t\t\t\t\tstart.fromBufferAttribute( position, index1 );\n\t\t\t\t\t\t\tend.fromBufferAttribute( position, index2 );\n\n\t\t\t\t\t\t\tif ( isUniqueEdge( start, end, edges ) === true ) {\n\n\t\t\t\t\t\t\t\tvertices.push( start.x, start.y, start.z );\n\t\t\t\t\t\t\t\tvertices.push( end.x, end.y, end.z );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\t// non-indexed BufferGeometry\n\n\t\t\t\tconst position = geometry.attributes.position;\n\n\t\t\t\tfor ( let i = 0, l = ( position.count / 3 ); i < l; i ++ ) {\n\n\t\t\t\t\tfor ( let j = 0; j < 3; j ++ ) {\n\n\t\t\t\t\t\t// three edges per triangle, an edge is represented as (index1, index2)\n\t\t\t\t\t\t// e.g. the first triangle has the following edges: (0,1),(1,2),(2,0)\n\n\t\t\t\t\t\tconst index1 = 3 * i + j;\n\t\t\t\t\t\tconst index2 = 3 * i + ( ( j + 1 ) % 3 );\n\n\t\t\t\t\t\tstart.fromBufferAttribute( position, index1 );\n\t\t\t\t\t\tend.fromBufferAttribute( position, index2 );\n\n\t\t\t\t\t\tif ( isUniqueEdge( start, end, edges ) === true ) {\n\n\t\t\t\t\t\t\tvertices.push( start.x, start.y, start.z );\n\t\t\t\t\t\t\tvertices.push( end.x, end.y, end.z );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// build geometry\n\n\t\t\tthis.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.parameters = Object.assign( {}, source.parameters );\n\n\t\treturn this;\n\n\t}\n\n}\n\nfunction isUniqueEdge( start, end, edges ) {\n\n\tconst hash1 = `${start.x},${start.y},${start.z}-${end.x},${end.y},${end.z}`;\n\tconst hash2 = `${end.x},${end.y},${end.z}-${start.x},${start.y},${start.z}`; // coincident edge\n\n\tif ( edges.has( hash1 ) === true || edges.has( hash2 ) === true ) {\n\n\t\treturn false;\n\n\t} else {\n\n\t\tedges.add( hash1 );\n\t\tedges.add( hash2 );\n\t\treturn true;\n\n\t}\n\n}\n\nvar Geometries = /*#__PURE__*/Object.freeze({\n\t__proto__: null,\n\tBoxGeometry: BoxGeometry,\n\tCapsuleGeometry: CapsuleGeometry,\n\tCircleGeometry: CircleGeometry,\n\tConeGeometry: ConeGeometry,\n\tCylinderGeometry: CylinderGeometry,\n\tDodecahedronGeometry: DodecahedronGeometry,\n\tEdgesGeometry: EdgesGeometry,\n\tExtrudeGeometry: ExtrudeGeometry,\n\tIcosahedronGeometry: IcosahedronGeometry,\n\tLatheGeometry: LatheGeometry,\n\tOctahedronGeometry: OctahedronGeometry,\n\tPlaneGeometry: PlaneGeometry,\n\tPolyhedronGeometry: PolyhedronGeometry,\n\tRingGeometry: RingGeometry,\n\tShapeGeometry: ShapeGeometry,\n\tSphereGeometry: SphereGeometry,\n\tTetrahedronGeometry: TetrahedronGeometry,\n\tTorusGeometry: TorusGeometry,\n\tTorusKnotGeometry: TorusKnotGeometry,\n\tTubeGeometry: TubeGeometry,\n\tWireframeGeometry: WireframeGeometry\n});\n\nclass ShadowMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isShadowMaterial = true;\n\n\t\tthis.type = 'ShadowMaterial';\n\n\t\tthis.color = new Color( 0x000000 );\n\t\tthis.transparent = true;\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass RawShaderMaterial extends ShaderMaterial {\n\n\tconstructor( parameters ) {\n\n\t\tsuper( parameters );\n\n\t\tthis.isRawShaderMaterial = true;\n\n\t\tthis.type = 'RawShaderMaterial';\n\n\t}\n\n}\n\nclass MeshStandardMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshStandardMaterial = true;\n\n\t\tthis.type = 'MeshStandardMaterial';\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.roughness = 1.0;\n\t\tthis.metalness = 0.0;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.roughnessMap = null;\n\n\t\tthis.metalnessMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.envMapRotation = new Euler();\n\t\tthis.envMapIntensity = 1.0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.flatShading = false;\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = { 'STANDARD': '' };\n\n\t\tthis.color.copy( source.color );\n\t\tthis.roughness = source.roughness;\n\t\tthis.metalness = source.metalness;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.roughnessMap = source.roughnessMap;\n\n\t\tthis.metalnessMap = source.metalnessMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapRotation.copy( source.envMapRotation );\n\t\tthis.envMapIntensity = source.envMapIntensity;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshPhysicalMaterial extends MeshStandardMaterial {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshPhysicalMaterial = true;\n\n\t\tthis.defines = {\n\n\t\t\t'STANDARD': '',\n\t\t\t'PHYSICAL': ''\n\n\t\t};\n\n\t\tthis.type = 'MeshPhysicalMaterial';\n\n\t\tthis.anisotropyRotation = 0;\n\t\tthis.anisotropyMap = null;\n\n\t\tthis.clearcoatMap = null;\n\t\tthis.clearcoatRoughness = 0.0;\n\t\tthis.clearcoatRoughnessMap = null;\n\t\tthis.clearcoatNormalScale = new Vector2( 1, 1 );\n\t\tthis.clearcoatNormalMap = null;\n\n\t\tthis.ior = 1.5;\n\n\t\tObject.defineProperty( this, 'reflectivity', {\n\t\t\tget: function () {\n\n\t\t\t\treturn ( clamp( 2.5 * ( this.ior - 1 ) / ( this.ior + 1 ), 0, 1 ) );\n\n\t\t\t},\n\t\t\tset: function ( reflectivity ) {\n\n\t\t\t\tthis.ior = ( 1 + 0.4 * reflectivity ) / ( 1 - 0.4 * reflectivity );\n\n\t\t\t}\n\t\t} );\n\n\t\tthis.iridescenceMap = null;\n\t\tthis.iridescenceIOR = 1.3;\n\t\tthis.iridescenceThicknessRange = [ 100, 400 ];\n\t\tthis.iridescenceThicknessMap = null;\n\n\t\tthis.sheenColor = new Color( 0x000000 );\n\t\tthis.sheenColorMap = null;\n\t\tthis.sheenRoughness = 1.0;\n\t\tthis.sheenRoughnessMap = null;\n\n\t\tthis.transmissionMap = null;\n\n\t\tthis.thickness = 0;\n\t\tthis.thicknessMap = null;\n\t\tthis.attenuationDistance = Infinity;\n\t\tthis.attenuationColor = new Color( 1, 1, 1 );\n\n\t\tthis.specularIntensity = 1.0;\n\t\tthis.specularIntensityMap = null;\n\t\tthis.specularColor = new Color( 1, 1, 1 );\n\t\tthis.specularColorMap = null;\n\n\t\tthis._anisotropy = 0;\n\t\tthis._clearcoat = 0;\n\t\tthis._dispersion = 0;\n\t\tthis._iridescence = 0;\n\t\tthis._sheen = 0.0;\n\t\tthis._transmission = 0;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tget anisotropy() {\n\n\t\treturn this._anisotropy;\n\n\t}\n\n\tset anisotropy( value ) {\n\n\t\tif ( this._anisotropy > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._anisotropy = value;\n\n\t}\n\n\tget clearcoat() {\n\n\t\treturn this._clearcoat;\n\n\t}\n\n\tset clearcoat( value ) {\n\n\t\tif ( this._clearcoat > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._clearcoat = value;\n\n\t}\n\n\tget iridescence() {\n\n\t\treturn this._iridescence;\n\n\t}\n\n\tset iridescence( value ) {\n\n\t\tif ( this._iridescence > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._iridescence = value;\n\n\t}\n\n\tget dispersion() {\n\n\t\treturn this._dispersion;\n\n\t}\n\n\tset dispersion( value ) {\n\n\t\tif ( this._dispersion > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._dispersion = value;\n\n\t}\n\n\tget sheen() {\n\n\t\treturn this._sheen;\n\n\t}\n\n\tset sheen( value ) {\n\n\t\tif ( this._sheen > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._sheen = value;\n\n\t}\n\n\tget transmission() {\n\n\t\treturn this._transmission;\n\n\t}\n\n\tset transmission( value ) {\n\n\t\tif ( this._transmission > 0 !== value > 0 ) {\n\n\t\t\tthis.version ++;\n\n\t\t}\n\n\t\tthis._transmission = value;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = {\n\n\t\t\t'STANDARD': '',\n\t\t\t'PHYSICAL': ''\n\n\t\t};\n\n\t\tthis.anisotropy = source.anisotropy;\n\t\tthis.anisotropyRotation = source.anisotropyRotation;\n\t\tthis.anisotropyMap = source.anisotropyMap;\n\n\t\tthis.clearcoat = source.clearcoat;\n\t\tthis.clearcoatMap = source.clearcoatMap;\n\t\tthis.clearcoatRoughness = source.clearcoatRoughness;\n\t\tthis.clearcoatRoughnessMap = source.clearcoatRoughnessMap;\n\t\tthis.clearcoatNormalMap = source.clearcoatNormalMap;\n\t\tthis.clearcoatNormalScale.copy( source.clearcoatNormalScale );\n\n\t\tthis.dispersion = source.dispersion;\n\t\tthis.ior = source.ior;\n\n\t\tthis.iridescence = source.iridescence;\n\t\tthis.iridescenceMap = source.iridescenceMap;\n\t\tthis.iridescenceIOR = source.iridescenceIOR;\n\t\tthis.iridescenceThicknessRange = [ ...source.iridescenceThicknessRange ];\n\t\tthis.iridescenceThicknessMap = source.iridescenceThicknessMap;\n\n\t\tthis.sheen = source.sheen;\n\t\tthis.sheenColor.copy( source.sheenColor );\n\t\tthis.sheenColorMap = source.sheenColorMap;\n\t\tthis.sheenRoughness = source.sheenRoughness;\n\t\tthis.sheenRoughnessMap = source.sheenRoughnessMap;\n\n\t\tthis.transmission = source.transmission;\n\t\tthis.transmissionMap = source.transmissionMap;\n\n\t\tthis.thickness = source.thickness;\n\t\tthis.thicknessMap = source.thicknessMap;\n\t\tthis.attenuationDistance = source.attenuationDistance;\n\t\tthis.attenuationColor.copy( source.attenuationColor );\n\n\t\tthis.specularIntensity = source.specularIntensity;\n\t\tthis.specularIntensityMap = source.specularIntensityMap;\n\t\tthis.specularColor.copy( source.specularColor );\n\t\tthis.specularColorMap = source.specularColorMap;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshPhongMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshPhongMaterial = true;\n\n\t\tthis.type = 'MeshPhongMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\t\tthis.specular = new Color( 0x111111 );\n\t\tthis.shininess = 30;\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.envMapRotation = new Euler();\n\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.flatShading = false;\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.specular.copy( source.specular );\n\t\tthis.shininess = source.shininess;\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapRotation.copy( source.envMapRotation );\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshToonMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshToonMaterial = true;\n\n\t\tthis.defines = { 'TOON': '' };\n\n\t\tthis.type = 'MeshToonMaterial';\n\n\t\tthis.color = new Color( 0xffffff );\n\n\t\tthis.map = null;\n\t\tthis.gradientMap = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\t\tthis.gradientMap = source.gradientMap;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshNormalMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshNormalMaterial = true;\n\n\t\tthis.type = 'MeshNormalMaterial';\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.flatShading = false;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshLambertMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshLambertMaterial = true;\n\n\t\tthis.type = 'MeshLambertMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\tthis.map = null;\n\n\t\tthis.lightMap = null;\n\t\tthis.lightMapIntensity = 1.0;\n\n\t\tthis.aoMap = null;\n\t\tthis.aoMapIntensity = 1.0;\n\n\t\tthis.emissive = new Color( 0x000000 );\n\t\tthis.emissiveIntensity = 1.0;\n\t\tthis.emissiveMap = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.specularMap = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.envMap = null;\n\t\tthis.envMapRotation = new Euler();\n\t\tthis.combine = MultiplyOperation;\n\t\tthis.reflectivity = 1;\n\t\tthis.refractionRatio = 0.98;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\t\tthis.wireframeLinecap = 'round';\n\t\tthis.wireframeLinejoin = 'round';\n\n\t\tthis.flatShading = false;\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.map = source.map;\n\n\t\tthis.lightMap = source.lightMap;\n\t\tthis.lightMapIntensity = source.lightMapIntensity;\n\n\t\tthis.aoMap = source.aoMap;\n\t\tthis.aoMapIntensity = source.aoMapIntensity;\n\n\t\tthis.emissive.copy( source.emissive );\n\t\tthis.emissiveMap = source.emissiveMap;\n\t\tthis.emissiveIntensity = source.emissiveIntensity;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.specularMap = source.specularMap;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.envMap = source.envMap;\n\t\tthis.envMapRotation.copy( source.envMapRotation );\n\t\tthis.combine = source.combine;\n\t\tthis.reflectivity = source.reflectivity;\n\t\tthis.refractionRatio = source.refractionRatio;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\t\tthis.wireframeLinecap = source.wireframeLinecap;\n\t\tthis.wireframeLinejoin = source.wireframeLinejoin;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshDepthMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshDepthMaterial = true;\n\n\t\tthis.type = 'MeshDepthMaterial';\n\n\t\tthis.depthPacking = BasicDepthPacking;\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.wireframe = false;\n\t\tthis.wireframeLinewidth = 1;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.depthPacking = source.depthPacking;\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.wireframe = source.wireframe;\n\t\tthis.wireframeLinewidth = source.wireframeLinewidth;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshDistanceMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshDistanceMaterial = true;\n\n\t\tthis.type = 'MeshDistanceMaterial';\n\n\t\tthis.map = null;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.map = source.map;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass MeshMatcapMaterial extends Material {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isMeshMatcapMaterial = true;\n\n\t\tthis.defines = { 'MATCAP': '' };\n\n\t\tthis.type = 'MeshMatcapMaterial';\n\n\t\tthis.color = new Color( 0xffffff ); // diffuse\n\n\t\tthis.matcap = null;\n\n\t\tthis.map = null;\n\n\t\tthis.bumpMap = null;\n\t\tthis.bumpScale = 1;\n\n\t\tthis.normalMap = null;\n\t\tthis.normalMapType = TangentSpaceNormalMap;\n\t\tthis.normalScale = new Vector2( 1, 1 );\n\n\t\tthis.displacementMap = null;\n\t\tthis.displacementScale = 1;\n\t\tthis.displacementBias = 0;\n\n\t\tthis.alphaMap = null;\n\n\t\tthis.flatShading = false;\n\n\t\tthis.fog = true;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.defines = { 'MATCAP': '' };\n\n\t\tthis.color.copy( source.color );\n\n\t\tthis.matcap = source.matcap;\n\n\t\tthis.map = source.map;\n\n\t\tthis.bumpMap = source.bumpMap;\n\t\tthis.bumpScale = source.bumpScale;\n\n\t\tthis.normalMap = source.normalMap;\n\t\tthis.normalMapType = source.normalMapType;\n\t\tthis.normalScale.copy( source.normalScale );\n\n\t\tthis.displacementMap = source.displacementMap;\n\t\tthis.displacementScale = source.displacementScale;\n\t\tthis.displacementBias = source.displacementBias;\n\n\t\tthis.alphaMap = source.alphaMap;\n\n\t\tthis.flatShading = source.flatShading;\n\n\t\tthis.fog = source.fog;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass LineDashedMaterial extends LineBasicMaterial {\n\n\tconstructor( parameters ) {\n\n\t\tsuper();\n\n\t\tthis.isLineDashedMaterial = true;\n\t\tthis.type = 'LineDashedMaterial';\n\n\t\tthis.scale = 1;\n\t\tthis.dashSize = 3;\n\t\tthis.gapSize = 1;\n\n\t\tthis.setValues( parameters );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.scale = source.scale;\n\t\tthis.dashSize = source.dashSize;\n\t\tthis.gapSize = source.gapSize;\n\n\t\treturn this;\n\n\t}\n\n}\n\n// converts an array to a specific type\nfunction convertArray( array, type, forceClone ) {\n\n\tif ( ! array || // let 'undefined' and 'null' pass\n\t\t! forceClone && array.constructor === type ) return array;\n\n\tif ( typeof type.BYTES_PER_ELEMENT === 'number' ) {\n\n\t\treturn new type( array ); // create typed array\n\n\t}\n\n\treturn Array.prototype.slice.call( array ); // create Array\n\n}\n\nfunction isTypedArray( object ) {\n\n\treturn ArrayBuffer.isView( object ) &&\n\t\t! ( object instanceof DataView );\n\n}\n\n// returns an array by which times and values can be sorted\nfunction getKeyframeOrder( times ) {\n\n\tfunction compareTime( i, j ) {\n\n\t\treturn times[ i ] - times[ j ];\n\n\t}\n\n\tconst n = times.length;\n\tconst result = new Array( n );\n\tfor ( let i = 0; i !== n; ++ i ) result[ i ] = i;\n\n\tresult.sort( compareTime );\n\n\treturn result;\n\n}\n\n// uses the array previously returned by 'getKeyframeOrder' to sort data\nfunction sortedArray( values, stride, order ) {\n\n\tconst nValues = values.length;\n\tconst result = new values.constructor( nValues );\n\n\tfor ( let i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) {\n\n\t\tconst srcOffset = order[ i ] * stride;\n\n\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\tresult[ dstOffset ++ ] = values[ srcOffset + j ];\n\n\t\t}\n\n\t}\n\n\treturn result;\n\n}\n\n// function for parsing AOS keyframe formats\nfunction flattenJSON( jsonKeys, times, values, valuePropertyName ) {\n\n\tlet i = 1, key = jsonKeys[ 0 ];\n\n\twhile ( key !== undefined && key[ valuePropertyName ] === undefined ) {\n\n\t\tkey = jsonKeys[ i ++ ];\n\n\t}\n\n\tif ( key === undefined ) return; // no data\n\n\tlet value = key[ valuePropertyName ];\n\tif ( value === undefined ) return; // no data\n\n\tif ( Array.isArray( value ) ) {\n\n\t\tdo {\n\n\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\tif ( value !== undefined ) {\n\n\t\t\t\ttimes.push( key.time );\n\t\t\t\tvalues.push.apply( values, value ); // push all elements\n\n\t\t\t}\n\n\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t} while ( key !== undefined );\n\n\t} else if ( value.toArray !== undefined ) {\n\n\t\t// ...assume THREE.Math-ish\n\n\t\tdo {\n\n\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\tif ( value !== undefined ) {\n\n\t\t\t\ttimes.push( key.time );\n\t\t\t\tvalue.toArray( values, values.length );\n\n\t\t\t}\n\n\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t} while ( key !== undefined );\n\n\t} else {\n\n\t\t// otherwise push as-is\n\n\t\tdo {\n\n\t\t\tvalue = key[ valuePropertyName ];\n\n\t\t\tif ( value !== undefined ) {\n\n\t\t\t\ttimes.push( key.time );\n\t\t\t\tvalues.push( value );\n\n\t\t\t}\n\n\t\t\tkey = jsonKeys[ i ++ ];\n\n\t\t} while ( key !== undefined );\n\n\t}\n\n}\n\nfunction subclip( sourceClip, name, startFrame, endFrame, fps = 30 ) {\n\n\tconst clip = sourceClip.clone();\n\n\tclip.name = name;\n\n\tconst tracks = [];\n\n\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\tconst track = clip.tracks[ i ];\n\t\tconst valueSize = track.getValueSize();\n\n\t\tconst times = [];\n\t\tconst values = [];\n\n\t\tfor ( let j = 0; j < track.times.length; ++ j ) {\n\n\t\t\tconst frame = track.times[ j ] * fps;\n\n\t\t\tif ( frame < startFrame || frame >= endFrame ) continue;\n\n\t\t\ttimes.push( track.times[ j ] );\n\n\t\t\tfor ( let k = 0; k < valueSize; ++ k ) {\n\n\t\t\t\tvalues.push( track.values[ j * valueSize + k ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( times.length === 0 ) continue;\n\n\t\ttrack.times = convertArray( times, track.times.constructor );\n\t\ttrack.values = convertArray( values, track.values.constructor );\n\n\t\ttracks.push( track );\n\n\t}\n\n\tclip.tracks = tracks;\n\n\t// find minimum .times value across all tracks in the trimmed clip\n\n\tlet minStartTime = Infinity;\n\n\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\tif ( minStartTime > clip.tracks[ i ].times[ 0 ] ) {\n\n\t\t\tminStartTime = clip.tracks[ i ].times[ 0 ];\n\n\t\t}\n\n\t}\n\n\t// shift all tracks such that clip begins at t=0\n\n\tfor ( let i = 0; i < clip.tracks.length; ++ i ) {\n\n\t\tclip.tracks[ i ].shift( - 1 * minStartTime );\n\n\t}\n\n\tclip.resetDuration();\n\n\treturn clip;\n\n}\n\nfunction makeClipAdditive( targetClip, referenceFrame = 0, referenceClip = targetClip, fps = 30 ) {\n\n\tif ( fps <= 0 ) fps = 30;\n\n\tconst numTracks = referenceClip.tracks.length;\n\tconst referenceTime = referenceFrame / fps;\n\n\t// Make each track's values relative to the values at the reference frame\n\tfor ( let i = 0; i < numTracks; ++ i ) {\n\n\t\tconst referenceTrack = referenceClip.tracks[ i ];\n\t\tconst referenceTrackType = referenceTrack.ValueTypeName;\n\n\t\t// Skip this track if it's non-numeric\n\t\tif ( referenceTrackType === 'bool' || referenceTrackType === 'string' ) continue;\n\n\t\t// Find the track in the target clip whose name and type matches the reference track\n\t\tconst targetTrack = targetClip.tracks.find( function ( track ) {\n\n\t\t\treturn track.name === referenceTrack.name\n\t\t\t\t&& track.ValueTypeName === referenceTrackType;\n\n\t\t} );\n\n\t\tif ( targetTrack === undefined ) continue;\n\n\t\tlet referenceOffset = 0;\n\t\tconst referenceValueSize = referenceTrack.getValueSize();\n\n\t\tif ( referenceTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline ) {\n\n\t\t\treferenceOffset = referenceValueSize / 3;\n\n\t\t}\n\n\t\tlet targetOffset = 0;\n\t\tconst targetValueSize = targetTrack.getValueSize();\n\n\t\tif ( targetTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline ) {\n\n\t\t\ttargetOffset = targetValueSize / 3;\n\n\t\t}\n\n\t\tconst lastIndex = referenceTrack.times.length - 1;\n\t\tlet referenceValue;\n\n\t\t// Find the value to subtract out of the track\n\t\tif ( referenceTime <= referenceTrack.times[ 0 ] ) {\n\n\t\t\t// Reference frame is earlier than the first keyframe, so just use the first keyframe\n\t\t\tconst startIndex = referenceOffset;\n\t\t\tconst endIndex = referenceValueSize - referenceOffset;\n\t\t\treferenceValue = referenceTrack.values.slice( startIndex, endIndex );\n\n\t\t} else if ( referenceTime >= referenceTrack.times[ lastIndex ] ) {\n\n\t\t\t// Reference frame is after the last keyframe, so just use the last keyframe\n\t\t\tconst startIndex = lastIndex * referenceValueSize + referenceOffset;\n\t\t\tconst endIndex = startIndex + referenceValueSize - referenceOffset;\n\t\t\treferenceValue = referenceTrack.values.slice( startIndex, endIndex );\n\n\t\t} else {\n\n\t\t\t// Interpolate to the reference value\n\t\t\tconst interpolant = referenceTrack.createInterpolant();\n\t\t\tconst startIndex = referenceOffset;\n\t\t\tconst endIndex = referenceValueSize - referenceOffset;\n\t\t\tinterpolant.evaluate( referenceTime );\n\t\t\treferenceValue = interpolant.resultBuffer.slice( startIndex, endIndex );\n\n\t\t}\n\n\t\t// Conjugate the quaternion\n\t\tif ( referenceTrackType === 'quaternion' ) {\n\n\t\t\tconst referenceQuat = new Quaternion().fromArray( referenceValue ).normalize().conjugate();\n\t\t\treferenceQuat.toArray( referenceValue );\n\n\t\t}\n\n\t\t// Subtract the reference value from all of the track values\n\n\t\tconst numTimes = targetTrack.times.length;\n\t\tfor ( let j = 0; j < numTimes; ++ j ) {\n\n\t\t\tconst valueStart = j * targetValueSize + targetOffset;\n\n\t\t\tif ( referenceTrackType === 'quaternion' ) {\n\n\t\t\t\t// Multiply the conjugate for quaternion track types\n\t\t\t\tQuaternion.multiplyQuaternionsFlat(\n\t\t\t\t\ttargetTrack.values,\n\t\t\t\t\tvalueStart,\n\t\t\t\t\treferenceValue,\n\t\t\t\t\t0,\n\t\t\t\t\ttargetTrack.values,\n\t\t\t\t\tvalueStart\n\t\t\t\t);\n\n\t\t\t} else {\n\n\t\t\t\tconst valueEnd = targetValueSize - targetOffset * 2;\n\n\t\t\t\t// Subtract each value for all other numeric track types\n\t\t\t\tfor ( let k = 0; k < valueEnd; ++ k ) {\n\n\t\t\t\t\ttargetTrack.values[ valueStart + k ] -= referenceValue[ k ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\ttargetClip.blendMode = AdditiveAnimationBlendMode;\n\n\treturn targetClip;\n\n}\n\nconst AnimationUtils = {\n\tconvertArray: convertArray,\n\tisTypedArray: isTypedArray,\n\tgetKeyframeOrder: getKeyframeOrder,\n\tsortedArray: sortedArray,\n\tflattenJSON: flattenJSON,\n\tsubclip: subclip,\n\tmakeClipAdditive: makeClipAdditive\n};\n\n/**\n * Abstract base class of interpolants over parametric samples.\n *\n * The parameter domain is one dimensional, typically the time or a path\n * along a curve defined by the data.\n *\n * The sample values can have any dimensionality and derived classes may\n * apply special interpretations to the data.\n *\n * This class provides the interval seek in a Template Method, deferring\n * the actual interpolation to derived classes.\n *\n * Time complexity is O(1) for linear access crossing at most two points\n * and O(log N) for random access, where N is the number of positions.\n *\n * References:\n *\n * \t\thttp://www.oodesign.com/template-method-pattern.html\n *\n */\n\nclass Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tthis.parameterPositions = parameterPositions;\n\t\tthis._cachedIndex = 0;\n\n\t\tthis.resultBuffer = resultBuffer !== undefined ?\n\t\t\tresultBuffer : new sampleValues.constructor( sampleSize );\n\t\tthis.sampleValues = sampleValues;\n\t\tthis.valueSize = sampleSize;\n\n\t\tthis.settings = null;\n\t\tthis.DefaultSettings_ = {};\n\n\t}\n\n\tevaluate( t ) {\n\n\t\tconst pp = this.parameterPositions;\n\t\tlet i1 = this._cachedIndex,\n\t\t\tt1 = pp[ i1 ],\n\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\tvalidate_interval: {\n\n\t\t\tseek: {\n\n\t\t\t\tlet right;\n\n\t\t\t\tlinear_scan: {\n\n\t\t\t\t\t//- See http://jsperf.com/comparison-to-undefined/3\n\t\t\t\t\t//- slower code:\n\t\t\t\t\t//-\n\t\t\t\t\t//- \t\t\t\tif ( t >= t1 || t1 === undefined ) {\n\t\t\t\t\tforward_scan: if ( ! ( t < t1 ) ) {\n\n\t\t\t\t\t\tfor ( let giveUpAt = i1 + 2; ; ) {\n\n\t\t\t\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\t\t\t\tif ( t < t0 ) break forward_scan;\n\n\t\t\t\t\t\t\t\t// after end\n\n\t\t\t\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\t\t\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\tt0 = t1;\n\t\t\t\t\t\t\tt1 = pp[ ++ i1 ];\n\n\t\t\t\t\t\t\tif ( t < t1 ) {\n\n\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// prepare binary search on the right side of the index\n\t\t\t\t\t\tright = pp.length;\n\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t//- slower code:\n\t\t\t\t\t//-\t\t\t\t\tif ( t < t0 || t0 === undefined ) {\n\t\t\t\t\tif ( ! ( t >= t0 ) ) {\n\n\t\t\t\t\t\t// looping?\n\n\t\t\t\t\t\tconst t1global = pp[ 1 ];\n\n\t\t\t\t\t\tif ( t < t1global ) {\n\n\t\t\t\t\t\t\ti1 = 2; // + 1, using the scan for the details\n\t\t\t\t\t\t\tt0 = t1global;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// linear reverse scan\n\n\t\t\t\t\t\tfor ( let giveUpAt = i1 - 2; ; ) {\n\n\t\t\t\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\t\t\t\t// before start\n\n\t\t\t\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\t\t\t\treturn this.copySampleValue_( 0 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\tif ( i1 === giveUpAt ) break; // this loop\n\n\t\t\t\t\t\t\tt1 = t0;\n\t\t\t\t\t\t\tt0 = pp[ -- i1 - 1 ];\n\n\t\t\t\t\t\t\tif ( t >= t0 ) {\n\n\t\t\t\t\t\t\t\t// we have arrived at the sought interval\n\t\t\t\t\t\t\t\tbreak seek;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// prepare binary search on the left side of the index\n\t\t\t\t\t\tright = i1;\n\t\t\t\t\t\ti1 = 0;\n\t\t\t\t\t\tbreak linear_scan;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// the interval is valid\n\n\t\t\t\t\tbreak validate_interval;\n\n\t\t\t\t} // linear scan\n\n\t\t\t\t// binary search\n\n\t\t\t\twhile ( i1 < right ) {\n\n\t\t\t\t\tconst mid = ( i1 + right ) >>> 1;\n\n\t\t\t\t\tif ( t < pp[ mid ] ) {\n\n\t\t\t\t\t\tright = mid;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ti1 = mid + 1;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tt1 = pp[ i1 ];\n\t\t\t\tt0 = pp[ i1 - 1 ];\n\n\t\t\t\t// check boundary cases, again\n\n\t\t\t\tif ( t0 === undefined ) {\n\n\t\t\t\t\tthis._cachedIndex = 0;\n\t\t\t\t\treturn this.copySampleValue_( 0 );\n\n\t\t\t\t}\n\n\t\t\t\tif ( t1 === undefined ) {\n\n\t\t\t\t\ti1 = pp.length;\n\t\t\t\t\tthis._cachedIndex = i1;\n\t\t\t\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t\t\t\t}\n\n\t\t\t} // seek\n\n\t\t\tthis._cachedIndex = i1;\n\n\t\t\tthis.intervalChanged_( i1, t0, t1 );\n\n\t\t} // validate_interval\n\n\t\treturn this.interpolate_( i1, t0, t, t1 );\n\n\t}\n\n\tgetSettings_() {\n\n\t\treturn this.settings || this.DefaultSettings_;\n\n\t}\n\n\tcopySampleValue_( index ) {\n\n\t\t// copies a sample value to the result buffer\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = index * stride;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] = values[ offset + i ];\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n\t// Template methods for derived classes:\n\n\tinterpolate_( /* i1, t0, t, t1 */ ) {\n\n\t\tthrow new Error( 'call to abstract method' );\n\t\t// implementations shall return this.resultBuffer\n\n\t}\n\n\tintervalChanged_( /* i1, t0, t1 */ ) {\n\n\t\t// empty\n\n\t}\n\n}\n\n/**\n * Fast and simple cubic spline interpolant.\n *\n * It was derived from a Hermitian construction setting the first derivative\n * at each sample position to the linear slope between neighboring positions\n * over their parameter interval.\n */\n\nclass CubicInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t\tthis._weightPrev = - 0;\n\t\tthis._offsetPrev = - 0;\n\t\tthis._weightNext = - 0;\n\t\tthis._offsetNext = - 0;\n\n\t\tthis.DefaultSettings_ = {\n\n\t\t\tendingStart: ZeroCurvatureEnding,\n\t\t\tendingEnd: ZeroCurvatureEnding\n\n\t\t};\n\n\t}\n\n\tintervalChanged_( i1, t0, t1 ) {\n\n\t\tconst pp = this.parameterPositions;\n\t\tlet iPrev = i1 - 2,\n\t\t\tiNext = i1 + 1,\n\n\t\t\ttPrev = pp[ iPrev ],\n\t\t\ttNext = pp[ iNext ];\n\n\t\tif ( tPrev === undefined ) {\n\n\t\t\tswitch ( this.getSettings_().endingStart ) {\n\n\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t// f'(t0) = 0\n\t\t\t\t\tiPrev = i1;\n\t\t\t\t\ttPrev = 2 * t0 - t1;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\tiPrev = pp.length - 2;\n\t\t\t\t\ttPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ];\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t// f''(t0) = 0 a.k.a. Natural Spline\n\t\t\t\t\tiPrev = i1;\n\t\t\t\t\ttPrev = t1;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( tNext === undefined ) {\n\n\t\t\tswitch ( this.getSettings_().endingEnd ) {\n\n\t\t\t\tcase ZeroSlopeEnding:\n\n\t\t\t\t\t// f'(tN) = 0\n\t\t\t\t\tiNext = i1;\n\t\t\t\t\ttNext = 2 * t1 - t0;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase WrapAroundEnding:\n\n\t\t\t\t\t// use the other end of the curve\n\t\t\t\t\tiNext = 1;\n\t\t\t\t\ttNext = t1 + pp[ 1 ] - pp[ 0 ];\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault: // ZeroCurvatureEnding\n\n\t\t\t\t\t// f''(tN) = 0, a.k.a. Natural Spline\n\t\t\t\t\tiNext = i1 - 1;\n\t\t\t\t\ttNext = t0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst halfDt = ( t1 - t0 ) * 0.5,\n\t\t\tstride = this.valueSize;\n\n\t\tthis._weightPrev = halfDt / ( t0 - tPrev );\n\t\tthis._weightNext = halfDt / ( tNext - t1 );\n\t\tthis._offsetPrev = iPrev * stride;\n\t\tthis._offsetNext = iNext * stride;\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\to1 = i1 * stride,\t\to0 = o1 - stride,\n\t\t\toP = this._offsetPrev, \toN = this._offsetNext,\n\t\t\twP = this._weightPrev,\twN = this._weightNext,\n\n\t\t\tp = ( t - t0 ) / ( t1 - t0 ),\n\t\t\tpp = p * p,\n\t\t\tppp = pp * p;\n\n\t\t// evaluate polynomials\n\n\t\tconst sP = - wP * ppp + 2 * wP * pp - wP * p;\n\t\tconst s0 = ( 1 + wP ) * ppp + ( - 1.5 - 2 * wP ) * pp + ( - 0.5 + wP ) * p + 1;\n\t\tconst s1 = ( - 1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p;\n\t\tconst sN = wN * ppp - wN * pp;\n\n\t\t// combine data linearly\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] =\n\t\t\t\t\tsP * values[ oP + i ] +\n\t\t\t\t\ts0 * values[ o0 + i ] +\n\t\t\t\t\ts1 * values[ o1 + i ] +\n\t\t\t\t\tsN * values[ oN + i ];\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\nclass LinearInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\toffset1 = i1 * stride,\n\t\t\toffset0 = offset1 - stride,\n\n\t\t\tweight1 = ( t - t0 ) / ( t1 - t0 ),\n\t\t\tweight0 = 1 - weight1;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tresult[ i ] =\n\t\t\t\t\tvalues[ offset0 + i ] * weight0 +\n\t\t\t\t\tvalues[ offset1 + i ] * weight1;\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\n/**\n *\n * Interpolant that evaluates to the sample value at the position preceding\n * the parameter.\n */\n\nclass DiscreteInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1 /*, t0, t, t1 */ ) {\n\n\t\treturn this.copySampleValue_( i1 - 1 );\n\n\t}\n\n}\n\nclass KeyframeTrack {\n\n\tconstructor( name, times, values, interpolation ) {\n\n\t\tif ( name === undefined ) throw new Error( 'THREE.KeyframeTrack: track name is undefined' );\n\t\tif ( times === undefined || times.length === 0 ) throw new Error( 'THREE.KeyframeTrack: no keyframes in track named ' + name );\n\n\t\tthis.name = name;\n\n\t\tthis.times = convertArray( times, this.TimeBufferType );\n\t\tthis.values = convertArray( values, this.ValueBufferType );\n\n\t\tthis.setInterpolation( interpolation || this.DefaultInterpolation );\n\n\t}\n\n\t// Serialization (in static context, because of constructor invocation\n\t// and automatic invocation of .toJSON):\n\n\tstatic toJSON( track ) {\n\n\t\tconst trackType = track.constructor;\n\n\t\tlet json;\n\n\t\t// derived classes can define a static toJSON method\n\t\tif ( trackType.toJSON !== this.toJSON ) {\n\n\t\t\tjson = trackType.toJSON( track );\n\n\t\t} else {\n\n\t\t\t// by default, we assume the data can be serialized as-is\n\t\t\tjson = {\n\n\t\t\t\t'name': track.name,\n\t\t\t\t'times': convertArray( track.times, Array ),\n\t\t\t\t'values': convertArray( track.values, Array )\n\n\t\t\t};\n\n\t\t\tconst interpolation = track.getInterpolation();\n\n\t\t\tif ( interpolation !== track.DefaultInterpolation ) {\n\n\t\t\t\tjson.interpolation = interpolation;\n\n\t\t\t}\n\n\t\t}\n\n\t\tjson.type = track.ValueTypeName; // mandatory\n\n\t\treturn json;\n\n\t}\n\n\tInterpolantFactoryMethodDiscrete( result ) {\n\n\t\treturn new DiscreteInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\tInterpolantFactoryMethodLinear( result ) {\n\n\t\treturn new LinearInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\tInterpolantFactoryMethodSmooth( result ) {\n\n\t\treturn new CubicInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n\tsetInterpolation( interpolation ) {\n\n\t\tlet factoryMethod;\n\n\t\tswitch ( interpolation ) {\n\n\t\t\tcase InterpolateDiscrete:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodDiscrete;\n\n\t\t\t\tbreak;\n\n\t\t\tcase InterpolateLinear:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodLinear;\n\n\t\t\t\tbreak;\n\n\t\t\tcase InterpolateSmooth:\n\n\t\t\t\tfactoryMethod = this.InterpolantFactoryMethodSmooth;\n\n\t\t\t\tbreak;\n\n\t\t}\n\n\t\tif ( factoryMethod === undefined ) {\n\n\t\t\tconst message = 'unsupported interpolation for ' +\n\t\t\t\tthis.ValueTypeName + ' keyframe track named ' + this.name;\n\n\t\t\tif ( this.createInterpolant === undefined ) {\n\n\t\t\t\t// fall back to default, unless the default itself is messed up\n\t\t\t\tif ( interpolation !== this.DefaultInterpolation ) {\n\n\t\t\t\t\tthis.setInterpolation( this.DefaultInterpolation );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new Error( message ); // fatal, in this case\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tconsole.warn( 'THREE.KeyframeTrack:', message );\n\t\t\treturn this;\n\n\t\t}\n\n\t\tthis.createInterpolant = factoryMethod;\n\n\t\treturn this;\n\n\t}\n\n\tgetInterpolation() {\n\n\t\tswitch ( this.createInterpolant ) {\n\n\t\t\tcase this.InterpolantFactoryMethodDiscrete:\n\n\t\t\t\treturn InterpolateDiscrete;\n\n\t\t\tcase this.InterpolantFactoryMethodLinear:\n\n\t\t\t\treturn InterpolateLinear;\n\n\t\t\tcase this.InterpolantFactoryMethodSmooth:\n\n\t\t\t\treturn InterpolateSmooth;\n\n\t\t}\n\n\t}\n\n\tgetValueSize() {\n\n\t\treturn this.values.length / this.times.length;\n\n\t}\n\n\t// move all keyframes either forwards or backwards in time\n\tshift( timeOffset ) {\n\n\t\tif ( timeOffset !== 0.0 ) {\n\n\t\t\tconst times = this.times;\n\n\t\t\tfor ( let i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\ttimes[ i ] += timeOffset;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// scale all keyframe times by a factor (useful for frame <-> seconds conversions)\n\tscale( timeScale ) {\n\n\t\tif ( timeScale !== 1.0 ) {\n\n\t\t\tconst times = this.times;\n\n\t\t\tfor ( let i = 0, n = times.length; i !== n; ++ i ) {\n\n\t\t\t\ttimes[ i ] *= timeScale;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// removes keyframes before and after animation without changing any values within the range [startTime, endTime].\n\t// IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values\n\ttrim( startTime, endTime ) {\n\n\t\tconst times = this.times,\n\t\t\tnKeys = times.length;\n\n\t\tlet from = 0,\n\t\t\tto = nKeys - 1;\n\n\t\twhile ( from !== nKeys && times[ from ] < startTime ) {\n\n\t\t\t++ from;\n\n\t\t}\n\n\t\twhile ( to !== - 1 && times[ to ] > endTime ) {\n\n\t\t\t-- to;\n\n\t\t}\n\n\t\t++ to; // inclusive -> exclusive bound\n\n\t\tif ( from !== 0 || to !== nKeys ) {\n\n\t\t\t// empty tracks are forbidden, so keep at least one keyframe\n\t\t\tif ( from >= to ) {\n\n\t\t\t\tto = Math.max( to, 1 );\n\t\t\t\tfrom = to - 1;\n\n\t\t\t}\n\n\t\t\tconst stride = this.getValueSize();\n\t\t\tthis.times = times.slice( from, to );\n\t\t\tthis.values = this.values.slice( from * stride, to * stride );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable\n\tvalidate() {\n\n\t\tlet valid = true;\n\n\t\tconst valueSize = this.getValueSize();\n\t\tif ( valueSize - Math.floor( valueSize ) !== 0 ) {\n\n\t\t\tconsole.error( 'THREE.KeyframeTrack: Invalid value size in track.', this );\n\t\t\tvalid = false;\n\n\t\t}\n\n\t\tconst times = this.times,\n\t\t\tvalues = this.values,\n\n\t\t\tnKeys = times.length;\n\n\t\tif ( nKeys === 0 ) {\n\n\t\t\tconsole.error( 'THREE.KeyframeTrack: Track is empty.', this );\n\t\t\tvalid = false;\n\n\t\t}\n\n\t\tlet prevTime = null;\n\n\t\tfor ( let i = 0; i !== nKeys; i ++ ) {\n\n\t\t\tconst currTime = times[ i ];\n\n\t\t\tif ( typeof currTime === 'number' && isNaN( currTime ) ) {\n\n\t\t\t\tconsole.error( 'THREE.KeyframeTrack: Time is not a valid number.', this, i, currTime );\n\t\t\t\tvalid = false;\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif ( prevTime !== null && prevTime > currTime ) {\n\n\t\t\t\tconsole.error( 'THREE.KeyframeTrack: Out of order keys.', this, i, currTime, prevTime );\n\t\t\t\tvalid = false;\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tprevTime = currTime;\n\n\t\t}\n\n\t\tif ( values !== undefined ) {\n\n\t\t\tif ( isTypedArray( values ) ) {\n\n\t\t\t\tfor ( let i = 0, n = values.length; i !== n; ++ i ) {\n\n\t\t\t\t\tconst value = values[ i ];\n\n\t\t\t\t\tif ( isNaN( value ) ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.KeyframeTrack: Value is not a valid number.', this, i, value );\n\t\t\t\t\t\tvalid = false;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn valid;\n\n\t}\n\n\t// removes equivalent sequential keys as common in morph target sequences\n\t// (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0)\n\toptimize() {\n\n\t\t// times or values may be shared with other tracks, so overwriting is unsafe\n\t\tconst times = this.times.slice(),\n\t\t\tvalues = this.values.slice(),\n\t\t\tstride = this.getValueSize(),\n\n\t\t\tsmoothInterpolation = this.getInterpolation() === InterpolateSmooth,\n\n\t\t\tlastIndex = times.length - 1;\n\n\t\tlet writeIndex = 1;\n\n\t\tfor ( let i = 1; i < lastIndex; ++ i ) {\n\n\t\t\tlet keep = false;\n\n\t\t\tconst time = times[ i ];\n\t\t\tconst timeNext = times[ i + 1 ];\n\n\t\t\t// remove adjacent keyframes scheduled at the same time\n\n\t\t\tif ( time !== timeNext && ( i !== 1 || time !== times[ 0 ] ) ) {\n\n\t\t\t\tif ( ! smoothInterpolation ) {\n\n\t\t\t\t\t// remove unnecessary keyframes same as their neighbors\n\n\t\t\t\t\tconst offset = i * stride,\n\t\t\t\t\t\toffsetP = offset - stride,\n\t\t\t\t\t\toffsetN = offset + stride;\n\n\t\t\t\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\tconst value = values[ offset + j ];\n\n\t\t\t\t\t\tif ( value !== values[ offsetP + j ] ||\n\t\t\t\t\t\t\tvalue !== values[ offsetN + j ] ) {\n\n\t\t\t\t\t\t\tkeep = true;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tkeep = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// in-place compaction\n\n\t\t\tif ( keep ) {\n\n\t\t\t\tif ( i !== writeIndex ) {\n\n\t\t\t\t\ttimes[ writeIndex ] = times[ i ];\n\n\t\t\t\t\tconst readOffset = i * stride,\n\t\t\t\t\t\twriteOffset = writeIndex * stride;\n\n\t\t\t\t\tfor ( let j = 0; j !== stride; ++ j ) {\n\n\t\t\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t++ writeIndex;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// flush last keyframe (compaction looks ahead)\n\n\t\tif ( lastIndex > 0 ) {\n\n\t\t\ttimes[ writeIndex ] = times[ lastIndex ];\n\n\t\t\tfor ( let readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j ) {\n\n\t\t\t\tvalues[ writeOffset + j ] = values[ readOffset + j ];\n\n\t\t\t}\n\n\t\t\t++ writeIndex;\n\n\t\t}\n\n\t\tif ( writeIndex !== times.length ) {\n\n\t\t\tthis.times = times.slice( 0, writeIndex );\n\t\t\tthis.values = values.slice( 0, writeIndex * stride );\n\n\t\t} else {\n\n\t\t\tthis.times = times;\n\t\t\tthis.values = values;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\tconst times = this.times.slice();\n\t\tconst values = this.values.slice();\n\n\t\tconst TypedKeyframeTrack = this.constructor;\n\t\tconst track = new TypedKeyframeTrack( this.name, times, values );\n\n\t\t// Interpolant argument to constructor is not saved, so copy the factory method directly.\n\t\ttrack.createInterpolant = this.createInterpolant;\n\n\t\treturn track;\n\n\t}\n\n}\n\nKeyframeTrack.prototype.TimeBufferType = Float32Array;\nKeyframeTrack.prototype.ValueBufferType = Float32Array;\nKeyframeTrack.prototype.DefaultInterpolation = InterpolateLinear;\n\n/**\n * A Track of Boolean keyframe values.\n */\nclass BooleanKeyframeTrack extends KeyframeTrack {\n\n\t// No interpolation parameter because only InterpolateDiscrete is valid.\n\tconstructor( name, times, values ) {\n\n\t\tsuper( name, times, values );\n\n\t}\n\n}\n\nBooleanKeyframeTrack.prototype.ValueTypeName = 'bool';\nBooleanKeyframeTrack.prototype.ValueBufferType = Array;\nBooleanKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete;\nBooleanKeyframeTrack.prototype.InterpolantFactoryMethodLinear = undefined;\nBooleanKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A Track of keyframe values that represent color.\n */\nclass ColorKeyframeTrack extends KeyframeTrack {}\n\nColorKeyframeTrack.prototype.ValueTypeName = 'color';\n\n/**\n * A Track of numeric keyframe values.\n */\nclass NumberKeyframeTrack extends KeyframeTrack {}\n\nNumberKeyframeTrack.prototype.ValueTypeName = 'number';\n\n/**\n * Spherical linear unit quaternion interpolant.\n */\n\nclass QuaternionLinearInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tstride = this.valueSize,\n\n\t\t\talpha = ( t - t0 ) / ( t1 - t0 );\n\n\t\tlet offset = i1 * stride;\n\n\t\tfor ( let end = offset + stride; offset !== end; offset += 4 ) {\n\n\t\t\tQuaternion.slerpFlat( result, 0, values, offset - stride, values, offset, alpha );\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\n/**\n * A Track of quaternion keyframe values.\n */\nclass QuaternionKeyframeTrack extends KeyframeTrack {\n\n\tInterpolantFactoryMethodLinear( result ) {\n\n\t\treturn new QuaternionLinearInterpolant( this.times, this.values, this.getValueSize(), result );\n\n\t}\n\n}\n\nQuaternionKeyframeTrack.prototype.ValueTypeName = 'quaternion';\n// ValueBufferType is inherited\n// DefaultInterpolation is inherited;\nQuaternionKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A Track that interpolates Strings\n */\nclass StringKeyframeTrack extends KeyframeTrack {\n\n\t// No interpolation parameter because only InterpolateDiscrete is valid.\n\tconstructor( name, times, values ) {\n\n\t\tsuper( name, times, values );\n\n\t}\n\n}\n\nStringKeyframeTrack.prototype.ValueTypeName = 'string';\nStringKeyframeTrack.prototype.ValueBufferType = Array;\nStringKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete;\nStringKeyframeTrack.prototype.InterpolantFactoryMethodLinear = undefined;\nStringKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;\n\n/**\n * A Track of vectored keyframe values.\n */\nclass VectorKeyframeTrack extends KeyframeTrack {}\n\nVectorKeyframeTrack.prototype.ValueTypeName = 'vector';\n\nclass AnimationClip {\n\n\tconstructor( name = '', duration = - 1, tracks = [], blendMode = NormalAnimationBlendMode ) {\n\n\t\tthis.name = name;\n\t\tthis.tracks = tracks;\n\t\tthis.duration = duration;\n\t\tthis.blendMode = blendMode;\n\n\t\tthis.uuid = generateUUID();\n\n\t\t// this means it should figure out its duration by scanning the tracks\n\t\tif ( this.duration < 0 ) {\n\n\t\t\tthis.resetDuration();\n\n\t\t}\n\n\t}\n\n\n\tstatic parse( json ) {\n\n\t\tconst tracks = [],\n\t\t\tjsonTracks = json.tracks,\n\t\t\tframeTime = 1.0 / ( json.fps || 1.0 );\n\n\t\tfor ( let i = 0, n = jsonTracks.length; i !== n; ++ i ) {\n\n\t\t\ttracks.push( parseKeyframeTrack( jsonTracks[ i ] ).scale( frameTime ) );\n\n\t\t}\n\n\t\tconst clip = new this( json.name, json.duration, tracks, json.blendMode );\n\t\tclip.uuid = json.uuid;\n\n\t\treturn clip;\n\n\t}\n\n\tstatic toJSON( clip ) {\n\n\t\tconst tracks = [],\n\t\t\tclipTracks = clip.tracks;\n\n\t\tconst json = {\n\n\t\t\t'name': clip.name,\n\t\t\t'duration': clip.duration,\n\t\t\t'tracks': tracks,\n\t\t\t'uuid': clip.uuid,\n\t\t\t'blendMode': clip.blendMode\n\n\t\t};\n\n\t\tfor ( let i = 0, n = clipTracks.length; i !== n; ++ i ) {\n\n\t\t\ttracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) );\n\n\t\t}\n\n\t\treturn json;\n\n\t}\n\n\tstatic CreateFromMorphTargetSequence( name, morphTargetSequence, fps, noLoop ) {\n\n\t\tconst numMorphTargets = morphTargetSequence.length;\n\t\tconst tracks = [];\n\n\t\tfor ( let i = 0; i < numMorphTargets; i ++ ) {\n\n\t\t\tlet times = [];\n\t\t\tlet values = [];\n\n\t\t\ttimes.push(\n\t\t\t\t( i + numMorphTargets - 1 ) % numMorphTargets,\n\t\t\t\ti,\n\t\t\t\t( i + 1 ) % numMorphTargets );\n\n\t\t\tvalues.push( 0, 1, 0 );\n\n\t\t\tconst order = getKeyframeOrder( times );\n\t\t\ttimes = sortedArray( times, 1, order );\n\t\t\tvalues = sortedArray( values, 1, order );\n\n\t\t\t// if there is a key at the first frame, duplicate it as the\n\t\t\t// last frame as well for perfect loop.\n\t\t\tif ( ! noLoop && times[ 0 ] === 0 ) {\n\n\t\t\t\ttimes.push( numMorphTargets );\n\t\t\t\tvalues.push( values[ 0 ] );\n\n\t\t\t}\n\n\t\t\ttracks.push(\n\t\t\t\tnew NumberKeyframeTrack(\n\t\t\t\t\t'.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']',\n\t\t\t\t\ttimes, values\n\t\t\t\t).scale( 1.0 / fps ) );\n\n\t\t}\n\n\t\treturn new this( name, - 1, tracks );\n\n\t}\n\n\tstatic findByName( objectOrClipArray, name ) {\n\n\t\tlet clipArray = objectOrClipArray;\n\n\t\tif ( ! Array.isArray( objectOrClipArray ) ) {\n\n\t\t\tconst o = objectOrClipArray;\n\t\t\tclipArray = o.geometry && o.geometry.animations || o.animations;\n\n\t\t}\n\n\t\tfor ( let i = 0; i < clipArray.length; i ++ ) {\n\n\t\t\tif ( clipArray[ i ].name === name ) {\n\n\t\t\t\treturn clipArray[ i ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\tstatic CreateClipsFromMorphTargetSequences( morphTargets, fps, noLoop ) {\n\n\t\tconst animationToMorphTargets = {};\n\n\t\t// tested with https://regex101.com/ on trick sequences\n\t\t// such flamingo_flyA_003, flamingo_run1_003, crdeath0059\n\t\tconst pattern = /^([\\w-]*?)([\\d]+)$/;\n\n\t\t// sort morph target names into animation groups based\n\t\t// patterns like Walk_001, Walk_002, Run_001, Run_002\n\t\tfor ( let i = 0, il = morphTargets.length; i < il; i ++ ) {\n\n\t\t\tconst morphTarget = morphTargets[ i ];\n\t\t\tconst parts = morphTarget.name.match( pattern );\n\n\t\t\tif ( parts && parts.length > 1 ) {\n\n\t\t\t\tconst name = parts[ 1 ];\n\n\t\t\t\tlet animationMorphTargets = animationToMorphTargets[ name ];\n\n\t\t\t\tif ( ! animationMorphTargets ) {\n\n\t\t\t\t\tanimationToMorphTargets[ name ] = animationMorphTargets = [];\n\n\t\t\t\t}\n\n\t\t\t\tanimationMorphTargets.push( morphTarget );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst clips = [];\n\n\t\tfor ( const name in animationToMorphTargets ) {\n\n\t\t\tclips.push( this.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) );\n\n\t\t}\n\n\t\treturn clips;\n\n\t}\n\n\t// parse the animation.hierarchy format\n\tstatic parseAnimation( animation, bones ) {\n\n\t\tif ( ! animation ) {\n\n\t\t\tconsole.error( 'THREE.AnimationClip: No animation in JSONLoader data.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst addNonemptyTrack = function ( trackType, trackName, animationKeys, propertyName, destTracks ) {\n\n\t\t\t// only return track if there are actually keys.\n\t\t\tif ( animationKeys.length !== 0 ) {\n\n\t\t\t\tconst times = [];\n\t\t\t\tconst values = [];\n\n\t\t\t\tflattenJSON( animationKeys, times, values, propertyName );\n\n\t\t\t\t// empty keys are filtered out, so check again\n\t\t\t\tif ( times.length !== 0 ) {\n\n\t\t\t\t\tdestTracks.push( new trackType( trackName, times, values ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tconst tracks = [];\n\n\t\tconst clipName = animation.name || 'default';\n\t\tconst fps = animation.fps || 30;\n\t\tconst blendMode = animation.blendMode;\n\n\t\t// automatic length determination in AnimationClip.\n\t\tlet duration = animation.length || - 1;\n\n\t\tconst hierarchyTracks = animation.hierarchy || [];\n\n\t\tfor ( let h = 0; h < hierarchyTracks.length; h ++ ) {\n\n\t\t\tconst animationKeys = hierarchyTracks[ h ].keys;\n\n\t\t\t// skip empty tracks\n\t\t\tif ( ! animationKeys || animationKeys.length === 0 ) continue;\n\n\t\t\t// process morph targets\n\t\t\tif ( animationKeys[ 0 ].morphTargets ) {\n\n\t\t\t\t// figure out all morph targets used in this track\n\t\t\t\tconst morphTargetNames = {};\n\n\t\t\t\tlet k;\n\n\t\t\t\tfor ( k = 0; k < animationKeys.length; k ++ ) {\n\n\t\t\t\t\tif ( animationKeys[ k ].morphTargets ) {\n\n\t\t\t\t\t\tfor ( let m = 0; m < animationKeys[ k ].morphTargets.length; m ++ ) {\n\n\t\t\t\t\t\t\tmorphTargetNames[ animationKeys[ k ].morphTargets[ m ] ] = - 1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// create a track for each morph target with all zero\n\t\t\t\t// morphTargetInfluences except for the keys in which\n\t\t\t\t// the morphTarget is named.\n\t\t\t\tfor ( const morphTargetName in morphTargetNames ) {\n\n\t\t\t\t\tconst times = [];\n\t\t\t\t\tconst values = [];\n\n\t\t\t\t\tfor ( let m = 0; m !== animationKeys[ k ].morphTargets.length; ++ m ) {\n\n\t\t\t\t\t\tconst animationKey = animationKeys[ k ];\n\n\t\t\t\t\t\ttimes.push( animationKey.time );\n\t\t\t\t\t\tvalues.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttracks.push( new NumberKeyframeTrack( '.morphTargetInfluence[' + morphTargetName + ']', times, values ) );\n\n\t\t\t\t}\n\n\t\t\t\tduration = morphTargetNames.length * fps;\n\n\t\t\t} else {\n\n\t\t\t\t// ...assume skeletal animation\n\n\t\t\t\tconst boneName = '.bones[' + bones[ h ].name + ']';\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tVectorKeyframeTrack, boneName + '.position',\n\t\t\t\t\tanimationKeys, 'pos', tracks );\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tQuaternionKeyframeTrack, boneName + '.quaternion',\n\t\t\t\t\tanimationKeys, 'rot', tracks );\n\n\t\t\t\taddNonemptyTrack(\n\t\t\t\t\tVectorKeyframeTrack, boneName + '.scale',\n\t\t\t\t\tanimationKeys, 'scl', tracks );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( tracks.length === 0 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst clip = new this( clipName, duration, tracks, blendMode );\n\n\t\treturn clip;\n\n\t}\n\n\tresetDuration() {\n\n\t\tconst tracks = this.tracks;\n\t\tlet duration = 0;\n\n\t\tfor ( let i = 0, n = tracks.length; i !== n; ++ i ) {\n\n\t\t\tconst track = this.tracks[ i ];\n\n\t\t\tduration = Math.max( duration, track.times[ track.times.length - 1 ] );\n\n\t\t}\n\n\t\tthis.duration = duration;\n\n\t\treturn this;\n\n\t}\n\n\ttrim() {\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tthis.tracks[ i ].trim( 0, this.duration );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tvalidate() {\n\n\t\tlet valid = true;\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tvalid = valid && this.tracks[ i ].validate();\n\n\t\t}\n\n\t\treturn valid;\n\n\t}\n\n\toptimize() {\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\tthis.tracks[ i ].optimize();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\tconst tracks = [];\n\n\t\tfor ( let i = 0; i < this.tracks.length; i ++ ) {\n\n\t\t\ttracks.push( this.tracks[ i ].clone() );\n\n\t\t}\n\n\t\treturn new this.constructor( this.name, this.duration, tracks, this.blendMode );\n\n\t}\n\n\ttoJSON() {\n\n\t\treturn this.constructor.toJSON( this );\n\n\t}\n\n}\n\nfunction getTrackTypeForValueTypeName( typeName ) {\n\n\tswitch ( typeName.toLowerCase() ) {\n\n\t\tcase 'scalar':\n\t\tcase 'double':\n\t\tcase 'float':\n\t\tcase 'number':\n\t\tcase 'integer':\n\n\t\t\treturn NumberKeyframeTrack;\n\n\t\tcase 'vector':\n\t\tcase 'vector2':\n\t\tcase 'vector3':\n\t\tcase 'vector4':\n\n\t\t\treturn VectorKeyframeTrack;\n\n\t\tcase 'color':\n\n\t\t\treturn ColorKeyframeTrack;\n\n\t\tcase 'quaternion':\n\n\t\t\treturn QuaternionKeyframeTrack;\n\n\t\tcase 'bool':\n\t\tcase 'boolean':\n\n\t\t\treturn BooleanKeyframeTrack;\n\n\t\tcase 'string':\n\n\t\t\treturn StringKeyframeTrack;\n\n\t}\n\n\tthrow new Error( 'THREE.KeyframeTrack: Unsupported typeName: ' + typeName );\n\n}\n\nfunction parseKeyframeTrack( json ) {\n\n\tif ( json.type === undefined ) {\n\n\t\tthrow new Error( 'THREE.KeyframeTrack: track type undefined, can not parse' );\n\n\t}\n\n\tconst trackType = getTrackTypeForValueTypeName( json.type );\n\n\tif ( json.times === undefined ) {\n\n\t\tconst times = [], values = [];\n\n\t\tflattenJSON( json.keys, times, values, 'value' );\n\n\t\tjson.times = times;\n\t\tjson.values = values;\n\n\t}\n\n\t// derived classes can define a static parse method\n\tif ( trackType.parse !== undefined ) {\n\n\t\treturn trackType.parse( json );\n\n\t} else {\n\n\t\t// by default, we assume a constructor compatible with the base\n\t\treturn new trackType( json.name, json.times, json.values, json.interpolation );\n\n\t}\n\n}\n\nconst Cache = {\n\n\tenabled: false,\n\n\tfiles: {},\n\n\tadd: function ( key, file ) {\n\n\t\tif ( this.enabled === false ) return;\n\n\t\t// console.log( 'THREE.Cache', 'Adding key:', key );\n\n\t\tthis.files[ key ] = file;\n\n\t},\n\n\tget: function ( key ) {\n\n\t\tif ( this.enabled === false ) return;\n\n\t\t// console.log( 'THREE.Cache', 'Checking key:', key );\n\n\t\treturn this.files[ key ];\n\n\t},\n\n\tremove: function ( key ) {\n\n\t\tdelete this.files[ key ];\n\n\t},\n\n\tclear: function () {\n\n\t\tthis.files = {};\n\n\t}\n\n};\n\nclass LoadingManager {\n\n\tconstructor( onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tlet isLoading = false;\n\t\tlet itemsLoaded = 0;\n\t\tlet itemsTotal = 0;\n\t\tlet urlModifier = undefined;\n\t\tconst handlers = [];\n\n\t\t// Refer to #5689 for the reason why we don't set .onStart\n\t\t// in the constructor\n\n\t\tthis.onStart = undefined;\n\t\tthis.onLoad = onLoad;\n\t\tthis.onProgress = onProgress;\n\t\tthis.onError = onError;\n\n\t\tthis.itemStart = function ( url ) {\n\n\t\t\titemsTotal ++;\n\n\t\t\tif ( isLoading === false ) {\n\n\t\t\t\tif ( scope.onStart !== undefined ) {\n\n\t\t\t\t\tscope.onStart( url, itemsLoaded, itemsTotal );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tisLoading = true;\n\n\t\t};\n\n\t\tthis.itemEnd = function ( url ) {\n\n\t\t\titemsLoaded ++;\n\n\t\t\tif ( scope.onProgress !== undefined ) {\n\n\t\t\t\tscope.onProgress( url, itemsLoaded, itemsTotal );\n\n\t\t\t}\n\n\t\t\tif ( itemsLoaded === itemsTotal ) {\n\n\t\t\t\tisLoading = false;\n\n\t\t\t\tif ( scope.onLoad !== undefined ) {\n\n\t\t\t\t\tscope.onLoad();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.itemError = function ( url ) {\n\n\t\t\tif ( scope.onError !== undefined ) {\n\n\t\t\t\tscope.onError( url );\n\n\t\t\t}\n\n\t\t};\n\n\t\tthis.resolveURL = function ( url ) {\n\n\t\t\tif ( urlModifier ) {\n\n\t\t\t\treturn urlModifier( url );\n\n\t\t\t}\n\n\t\t\treturn url;\n\n\t\t};\n\n\t\tthis.setURLModifier = function ( transform ) {\n\n\t\t\turlModifier = transform;\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\tthis.addHandler = function ( regex, loader ) {\n\n\t\t\thandlers.push( regex, loader );\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\tthis.removeHandler = function ( regex ) {\n\n\t\t\tconst index = handlers.indexOf( regex );\n\n\t\t\tif ( index !== - 1 ) {\n\n\t\t\t\thandlers.splice( index, 2 );\n\n\t\t\t}\n\n\t\t\treturn this;\n\n\t\t};\n\n\t\tthis.getHandler = function ( file ) {\n\n\t\t\tfor ( let i = 0, l = handlers.length; i < l; i += 2 ) {\n\n\t\t\t\tconst regex = handlers[ i ];\n\t\t\t\tconst loader = handlers[ i + 1 ];\n\n\t\t\t\tif ( regex.global ) regex.lastIndex = 0; // see #17920\n\n\t\t\t\tif ( regex.test( file ) ) {\n\n\t\t\t\t\treturn loader;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn null;\n\n\t\t};\n\n\t}\n\n}\n\nconst DefaultLoadingManager = /*@__PURE__*/ new LoadingManager();\n\nclass Loader {\n\n\tconstructor( manager ) {\n\n\t\tthis.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;\n\n\t\tthis.crossOrigin = 'anonymous';\n\t\tthis.withCredentials = false;\n\t\tthis.path = '';\n\t\tthis.resourcePath = '';\n\t\tthis.requestHeader = {};\n\n\t}\n\n\tload( /* url, onLoad, onProgress, onError */ ) {}\n\n\tloadAsync( url, onProgress ) {\n\n\t\tconst scope = this;\n\n\t\treturn new Promise( function ( resolve, reject ) {\n\n\t\t\tscope.load( url, resolve, onProgress, reject );\n\n\t\t} );\n\n\t}\n\n\tparse( /* data */ ) {}\n\n\tsetCrossOrigin( crossOrigin ) {\n\n\t\tthis.crossOrigin = crossOrigin;\n\t\treturn this;\n\n\t}\n\n\tsetWithCredentials( value ) {\n\n\t\tthis.withCredentials = value;\n\t\treturn this;\n\n\t}\n\n\tsetPath( path ) {\n\n\t\tthis.path = path;\n\t\treturn this;\n\n\t}\n\n\tsetResourcePath( resourcePath ) {\n\n\t\tthis.resourcePath = resourcePath;\n\t\treturn this;\n\n\t}\n\n\tsetRequestHeader( requestHeader ) {\n\n\t\tthis.requestHeader = requestHeader;\n\t\treturn this;\n\n\t}\n\n}\n\nLoader.DEFAULT_MATERIAL_NAME = '__DEFAULT';\n\nconst loading = {};\n\nclass HttpError extends Error {\n\n\tconstructor( message, response ) {\n\n\t\tsuper( message );\n\t\tthis.response = response;\n\n\t}\n\n}\n\nclass FileLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( url === undefined ) url = '';\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst cached = Cache.get( url );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tthis.manager.itemStart( url );\n\n\t\t\tsetTimeout( () => {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tthis.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\t// Check if request is duplicate\n\n\t\tif ( loading[ url ] !== undefined ) {\n\n\t\t\tloading[ url ].push( {\n\n\t\t\t\tonLoad: onLoad,\n\t\t\t\tonProgress: onProgress,\n\t\t\t\tonError: onError\n\n\t\t\t} );\n\n\t\t\treturn;\n\n\t\t}\n\n\t\t// Initialise array for duplicate requests\n\t\tloading[ url ] = [];\n\n\t\tloading[ url ].push( {\n\t\t\tonLoad: onLoad,\n\t\t\tonProgress: onProgress,\n\t\t\tonError: onError,\n\t\t} );\n\n\t\t// create request\n\t\tconst req = new Request( url, {\n\t\t\theaders: new Headers( this.requestHeader ),\n\t\t\tcredentials: this.withCredentials ? 'include' : 'same-origin',\n\t\t\t// An abort controller could be added within a future PR\n\t\t} );\n\n\t\t// record states ( avoid data race )\n\t\tconst mimeType = this.mimeType;\n\t\tconst responseType = this.responseType;\n\n\t\t// start the fetch\n\t\tfetch( req )\n\t\t\t.then( response => {\n\n\t\t\t\tif ( response.status === 200 || response.status === 0 ) {\n\n\t\t\t\t\t// Some browsers return HTTP Status 0 when using non-http protocol\n\t\t\t\t\t// e.g. 'file://' or 'data://'. Handle as success.\n\n\t\t\t\t\tif ( response.status === 0 ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.FileLoader: HTTP Status 0 received.' );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Workaround: Checking if response.body === undefined for Alipay browser #23548\n\n\t\t\t\t\tif ( typeof ReadableStream === 'undefined' || response.body === undefined || response.body.getReader === undefined ) {\n\n\t\t\t\t\t\treturn response;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst callbacks = loading[ url ];\n\t\t\t\t\tconst reader = response.body.getReader();\n\n\t\t\t\t\t// Nginx needs X-File-Size check\n\t\t\t\t\t// https://serverfault.com/questions/482875/why-does-nginx-remove-content-length-header-for-chunked-content\n\t\t\t\t\tconst contentLength = response.headers.get( 'X-File-Size' ) || response.headers.get( 'Content-Length' );\n\t\t\t\t\tconst total = contentLength ? parseInt( contentLength ) : 0;\n\t\t\t\t\tconst lengthComputable = total !== 0;\n\t\t\t\t\tlet loaded = 0;\n\n\t\t\t\t\t// periodically read data into the new stream tracking while download progress\n\t\t\t\t\tconst stream = new ReadableStream( {\n\t\t\t\t\t\tstart( controller ) {\n\n\t\t\t\t\t\t\treadData();\n\n\t\t\t\t\t\t\tfunction readData() {\n\n\t\t\t\t\t\t\t\treader.read().then( ( { done, value } ) => {\n\n\t\t\t\t\t\t\t\t\tif ( done ) {\n\n\t\t\t\t\t\t\t\t\t\tcontroller.close();\n\n\t\t\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t\t\tloaded += value.byteLength;\n\n\t\t\t\t\t\t\t\t\t\tconst event = new ProgressEvent( 'progress', { lengthComputable, loaded, total } );\n\t\t\t\t\t\t\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\t\t\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\t\t\t\t\t\t\tif ( callback.onProgress ) callback.onProgress( event );\n\n\t\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t\t\tcontroller.enqueue( value );\n\t\t\t\t\t\t\t\t\t\treadData();\n\n\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t}, ( e ) => {\n\n\t\t\t\t\t\t\t\t\tcontroller.error( e );\n\n\t\t\t\t\t\t\t\t} );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t} );\n\n\t\t\t\t\treturn new Response( stream );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new HttpError( `fetch for \"${response.url}\" responded with ${response.status}: ${response.statusText}`, response );\n\n\t\t\t\t}\n\n\t\t\t} )\n\t\t\t.then( response => {\n\n\t\t\t\tswitch ( responseType ) {\n\n\t\t\t\t\tcase 'arraybuffer':\n\n\t\t\t\t\t\treturn response.arrayBuffer();\n\n\t\t\t\t\tcase 'blob':\n\n\t\t\t\t\t\treturn response.blob();\n\n\t\t\t\t\tcase 'document':\n\n\t\t\t\t\t\treturn response.text()\n\t\t\t\t\t\t\t.then( text => {\n\n\t\t\t\t\t\t\t\tconst parser = new DOMParser();\n\t\t\t\t\t\t\t\treturn parser.parseFromString( text, mimeType );\n\n\t\t\t\t\t\t\t} );\n\n\t\t\t\t\tcase 'json':\n\n\t\t\t\t\t\treturn response.json();\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tif ( mimeType === undefined ) {\n\n\t\t\t\t\t\t\treturn response.text();\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// sniff encoding\n\t\t\t\t\t\t\tconst re = /charset=\"?([^;\"\\s]*)\"?/i;\n\t\t\t\t\t\t\tconst exec = re.exec( mimeType );\n\t\t\t\t\t\t\tconst label = exec && exec[ 1 ] ? exec[ 1 ].toLowerCase() : undefined;\n\t\t\t\t\t\t\tconst decoder = new TextDecoder( label );\n\t\t\t\t\t\t\treturn response.arrayBuffer().then( ab => decoder.decode( ab ) );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t} )\n\t\t\t.then( data => {\n\n\t\t\t\t// Add to cache only on HTTP success, so that we do not cache\n\t\t\t\t// error response bodies as proper responses to requests.\n\t\t\t\tCache.add( url, data );\n\n\t\t\t\tconst callbacks = loading[ url ];\n\t\t\t\tdelete loading[ url ];\n\n\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\tif ( callback.onLoad ) callback.onLoad( data );\n\n\t\t\t\t}\n\n\t\t\t} )\n\t\t\t.catch( err => {\n\n\t\t\t\t// Abort errors and other errors are handled the same\n\n\t\t\t\tconst callbacks = loading[ url ];\n\n\t\t\t\tif ( callbacks === undefined ) {\n\n\t\t\t\t\t// When onLoad was called and url was deleted in `loading`\n\t\t\t\t\tthis.manager.itemError( url );\n\t\t\t\t\tthrow err;\n\n\t\t\t\t}\n\n\t\t\t\tdelete loading[ url ];\n\n\t\t\t\tfor ( let i = 0, il = callbacks.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst callback = callbacks[ i ];\n\t\t\t\t\tif ( callback.onError ) callback.onError( err );\n\n\t\t\t\t}\n\n\t\t\t\tthis.manager.itemError( url );\n\n\t\t\t} )\n\t\t\t.finally( () => {\n\n\t\t\t\tthis.manager.itemEnd( url );\n\n\t\t\t} );\n\n\t\tthis.manager.itemStart( url );\n\n\t}\n\n\tsetResponseType( value ) {\n\n\t\tthis.responseType = value;\n\t\treturn this;\n\n\t}\n\n\tsetMimeType( value ) {\n\n\t\tthis.mimeType = value;\n\t\treturn this;\n\n\t}\n\n}\n\nclass AnimationLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\tconst animations = [];\n\n\t\tfor ( let i = 0; i < json.length; i ++ ) {\n\n\t\t\tconst clip = AnimationClip.parse( json[ i ] );\n\n\t\t\tanimations.push( clip );\n\n\t\t}\n\n\t\treturn animations;\n\n\t}\n\n}\n\n/**\n * Abstract Base class to block based textures loader (dds, pvr, ...)\n *\n * Sub classes have to implement the parse() method which will be used in load().\n */\n\nclass CompressedTextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst images = [];\n\n\t\tconst texture = new CompressedTexture();\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\n\t\tlet loaded = 0;\n\n\t\tfunction loadTexture( i ) {\n\n\t\t\tloader.load( url[ i ], function ( buffer ) {\n\n\t\t\t\tconst texDatas = scope.parse( buffer, true );\n\n\t\t\t\timages[ i ] = {\n\t\t\t\t\twidth: texDatas.width,\n\t\t\t\t\theight: texDatas.height,\n\t\t\t\t\tformat: texDatas.format,\n\t\t\t\t\tmipmaps: texDatas.mipmaps\n\t\t\t\t};\n\n\t\t\t\tloaded += 1;\n\n\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\tif ( texDatas.mipmapCount === 1 ) texture.minFilter = LinearFilter;\n\n\t\t\t\t\ttexture.image = images;\n\t\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t\tif ( Array.isArray( url ) ) {\n\n\t\t\tfor ( let i = 0, il = url.length; i < il; ++ i ) {\n\n\t\t\t\tloadTexture( i );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// compressed cubemap texture stored in a single DDS file\n\n\t\t\tloader.load( url, function ( buffer ) {\n\n\t\t\t\tconst texDatas = scope.parse( buffer, true );\n\n\t\t\t\tif ( texDatas.isCubemap ) {\n\n\t\t\t\t\tconst faces = texDatas.mipmaps.length / texDatas.mipmapCount;\n\n\t\t\t\t\tfor ( let f = 0; f < faces; f ++ ) {\n\n\t\t\t\t\t\timages[ f ] = { mipmaps: [] };\n\n\t\t\t\t\t\tfor ( let i = 0; i < texDatas.mipmapCount; i ++ ) {\n\n\t\t\t\t\t\t\timages[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] );\n\t\t\t\t\t\t\timages[ f ].format = texDatas.format;\n\t\t\t\t\t\t\timages[ f ].width = texDatas.width;\n\t\t\t\t\t\t\timages[ f ].height = texDatas.height;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttexture.image = images;\n\n\t\t\t\t} else {\n\n\t\t\t\t\ttexture.image.width = texDatas.width;\n\t\t\t\t\ttexture.image.height = texDatas.height;\n\t\t\t\t\ttexture.mipmaps = texDatas.mipmaps;\n\n\t\t\t\t}\n\n\t\t\t\tif ( texDatas.mipmapCount === 1 ) {\n\n\t\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t\t}\n\n\t\t\t\ttexture.format = texDatas.format;\n\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t}, onProgress, onError );\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n}\n\nclass ImageLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst scope = this;\n\n\t\tconst cached = Cache.get( url );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\tsetTimeout( function () {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\tconst image = createElementNS( 'img' );\n\n\t\tfunction onImageLoad() {\n\n\t\t\tremoveEventListeners();\n\n\t\t\tCache.add( url, this );\n\n\t\t\tif ( onLoad ) onLoad( this );\n\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t}\n\n\t\tfunction onImageError( event ) {\n\n\t\t\tremoveEventListeners();\n\n\t\t\tif ( onError ) onError( event );\n\n\t\t\tscope.manager.itemError( url );\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t}\n\n\t\tfunction removeEventListeners() {\n\n\t\t\timage.removeEventListener( 'load', onImageLoad, false );\n\t\t\timage.removeEventListener( 'error', onImageError, false );\n\n\t\t}\n\n\t\timage.addEventListener( 'load', onImageLoad, false );\n\t\timage.addEventListener( 'error', onImageError, false );\n\n\t\tif ( url.slice( 0, 5 ) !== 'data:' ) {\n\n\t\t\tif ( this.crossOrigin !== undefined ) image.crossOrigin = this.crossOrigin;\n\n\t\t}\n\n\t\tscope.manager.itemStart( url );\n\n\t\timage.src = url;\n\n\t\treturn image;\n\n\t}\n\n}\n\nclass CubeTextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( urls, onLoad, onProgress, onError ) {\n\n\t\tconst texture = new CubeTexture();\n\t\ttexture.colorSpace = SRGBColorSpace;\n\n\t\tconst loader = new ImageLoader( this.manager );\n\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\tloader.setPath( this.path );\n\n\t\tlet loaded = 0;\n\n\t\tfunction loadTexture( i ) {\n\n\t\t\tloader.load( urls[ i ], function ( image ) {\n\n\t\t\t\ttexture.images[ i ] = image;\n\n\t\t\t\tloaded ++;\n\n\t\t\t\tif ( loaded === 6 ) {\n\n\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\tif ( onLoad ) onLoad( texture );\n\n\t\t\t\t}\n\n\t\t\t}, undefined, onError );\n\n\t\t}\n\n\t\tfor ( let i = 0; i < urls.length; ++ i ) {\n\n\t\t\tloadTexture( i );\n\n\t\t}\n\n\t\treturn texture;\n\n\t}\n\n}\n\n/**\n * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...)\n *\n * Sub classes have to implement the parse() method which will be used in load().\n */\n\nclass DataTextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst texture = new DataTexture();\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setPath( this.path );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( buffer ) {\n\n\t\t\tlet texData;\n\n\t\t\ttry {\n\n\t\t\t\ttexData = scope.parse( buffer );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tif ( onError !== undefined ) {\n\n\t\t\t\t\tonError( error );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( error );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( texData.image !== undefined ) {\n\n\t\t\t\ttexture.image = texData.image;\n\n\t\t\t} else if ( texData.data !== undefined ) {\n\n\t\t\t\ttexture.image.width = texData.width;\n\t\t\t\ttexture.image.height = texData.height;\n\t\t\t\ttexture.image.data = texData.data;\n\n\t\t\t}\n\n\t\t\ttexture.wrapS = texData.wrapS !== undefined ? texData.wrapS : ClampToEdgeWrapping;\n\t\t\ttexture.wrapT = texData.wrapT !== undefined ? texData.wrapT : ClampToEdgeWrapping;\n\n\t\t\ttexture.magFilter = texData.magFilter !== undefined ? texData.magFilter : LinearFilter;\n\t\t\ttexture.minFilter = texData.minFilter !== undefined ? texData.minFilter : LinearFilter;\n\n\t\t\ttexture.anisotropy = texData.anisotropy !== undefined ? texData.anisotropy : 1;\n\n\t\t\tif ( texData.colorSpace !== undefined ) {\n\n\t\t\t\ttexture.colorSpace = texData.colorSpace;\n\n\t\t\t}\n\n\t\t\tif ( texData.flipY !== undefined ) {\n\n\t\t\t\ttexture.flipY = texData.flipY;\n\n\t\t\t}\n\n\t\t\tif ( texData.format !== undefined ) {\n\n\t\t\t\ttexture.format = texData.format;\n\n\t\t\t}\n\n\t\t\tif ( texData.type !== undefined ) {\n\n\t\t\t\ttexture.type = texData.type;\n\n\t\t\t}\n\n\t\t\tif ( texData.mipmaps !== undefined ) {\n\n\t\t\t\ttexture.mipmaps = texData.mipmaps;\n\t\t\t\ttexture.minFilter = LinearMipmapLinearFilter; // presumably...\n\n\t\t\t}\n\n\t\t\tif ( texData.mipmapCount === 1 ) {\n\n\t\t\t\ttexture.minFilter = LinearFilter;\n\n\t\t\t}\n\n\t\t\tif ( texData.generateMipmaps !== undefined ) {\n\n\t\t\t\ttexture.generateMipmaps = texData.generateMipmaps;\n\n\t\t\t}\n\n\t\t\ttexture.needsUpdate = true;\n\n\t\t\tif ( onLoad ) onLoad( texture, texData );\n\n\t\t}, onProgress, onError );\n\n\n\t\treturn texture;\n\n\t}\n\n}\n\nclass TextureLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst texture = new Texture();\n\n\t\tconst loader = new ImageLoader( this.manager );\n\t\tloader.setCrossOrigin( this.crossOrigin );\n\t\tloader.setPath( this.path );\n\n\t\tloader.load( url, function ( image ) {\n\n\t\t\ttexture.image = image;\n\t\t\ttexture.needsUpdate = true;\n\n\t\t\tif ( onLoad !== undefined ) {\n\n\t\t\t\tonLoad( texture );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t\treturn texture;\n\n\t}\n\n}\n\nclass Light extends Object3D {\n\n\tconstructor( color, intensity = 1 ) {\n\n\t\tsuper();\n\n\t\tthis.isLight = true;\n\n\t\tthis.type = 'Light';\n\n\t\tthis.color = new Color( color );\n\t\tthis.intensity = intensity;\n\n\t}\n\n\tdispose() {\n\n\t\t// Empty here in base class; some subclasses override.\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.color.copy( source.color );\n\t\tthis.intensity = source.intensity;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.color = this.color.getHex();\n\t\tdata.object.intensity = this.intensity;\n\n\t\tif ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex();\n\n\t\tif ( this.distance !== undefined ) data.object.distance = this.distance;\n\t\tif ( this.angle !== undefined ) data.object.angle = this.angle;\n\t\tif ( this.decay !== undefined ) data.object.decay = this.decay;\n\t\tif ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra;\n\n\t\tif ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON();\n\t\tif ( this.target !== undefined ) data.object.target = this.target.uuid;\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass HemisphereLight extends Light {\n\n\tconstructor( skyColor, groundColor, intensity ) {\n\n\t\tsuper( skyColor, intensity );\n\n\t\tthis.isHemisphereLight = true;\n\n\t\tthis.type = 'HemisphereLight';\n\n\t\tthis.position.copy( Object3D.DEFAULT_UP );\n\t\tthis.updateMatrix();\n\n\t\tthis.groundColor = new Color( groundColor );\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.groundColor.copy( source.groundColor );\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _projScreenMatrix$1 = /*@__PURE__*/ new Matrix4();\nconst _lightPositionWorld$1 = /*@__PURE__*/ new Vector3();\nconst _lookTarget$1 = /*@__PURE__*/ new Vector3();\n\nclass LightShadow {\n\n\tconstructor( camera ) {\n\n\t\tthis.camera = camera;\n\n\t\tthis.intensity = 1;\n\n\t\tthis.bias = 0;\n\t\tthis.normalBias = 0;\n\t\tthis.radius = 1;\n\t\tthis.blurSamples = 8;\n\n\t\tthis.mapSize = new Vector2( 512, 512 );\n\n\t\tthis.map = null;\n\t\tthis.mapPass = null;\n\t\tthis.matrix = new Matrix4();\n\n\t\tthis.autoUpdate = true;\n\t\tthis.needsUpdate = false;\n\n\t\tthis._frustum = new Frustum();\n\t\tthis._frameExtents = new Vector2( 1, 1 );\n\n\t\tthis._viewportCount = 1;\n\n\t\tthis._viewports = [\n\n\t\t\tnew Vector4( 0, 0, 1, 1 )\n\n\t\t];\n\n\t}\n\n\tgetViewportCount() {\n\n\t\treturn this._viewportCount;\n\n\t}\n\n\tgetFrustum() {\n\n\t\treturn this._frustum;\n\n\t}\n\n\tupdateMatrices( light ) {\n\n\t\tconst shadowCamera = this.camera;\n\t\tconst shadowMatrix = this.matrix;\n\n\t\t_lightPositionWorld$1.setFromMatrixPosition( light.matrixWorld );\n\t\tshadowCamera.position.copy( _lightPositionWorld$1 );\n\n\t\t_lookTarget$1.setFromMatrixPosition( light.target.matrixWorld );\n\t\tshadowCamera.lookAt( _lookTarget$1 );\n\t\tshadowCamera.updateMatrixWorld();\n\n\t\t_projScreenMatrix$1.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse );\n\t\tthis._frustum.setFromProjectionMatrix( _projScreenMatrix$1 );\n\n\t\tshadowMatrix.set(\n\t\t\t0.5, 0.0, 0.0, 0.5,\n\t\t\t0.0, 0.5, 0.0, 0.5,\n\t\t\t0.0, 0.0, 0.5, 0.5,\n\t\t\t0.0, 0.0, 0.0, 1.0\n\t\t);\n\n\t\tshadowMatrix.multiply( _projScreenMatrix$1 );\n\n\t}\n\n\tgetViewport( viewportIndex ) {\n\n\t\treturn this._viewports[ viewportIndex ];\n\n\t}\n\n\tgetFrameExtents() {\n\n\t\treturn this._frameExtents;\n\n\t}\n\n\tdispose() {\n\n\t\tif ( this.map ) {\n\n\t\t\tthis.map.dispose();\n\n\t\t}\n\n\t\tif ( this.mapPass ) {\n\n\t\t\tthis.mapPass.dispose();\n\n\t\t}\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.camera = source.camera.clone();\n\n\t\tthis.intensity = source.intensity;\n\n\t\tthis.bias = source.bias;\n\t\tthis.radius = source.radius;\n\n\t\tthis.mapSize.copy( source.mapSize );\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst object = {};\n\n\t\tif ( this.intensity !== 1 ) object.intensity = this.intensity;\n\t\tif ( this.bias !== 0 ) object.bias = this.bias;\n\t\tif ( this.normalBias !== 0 ) object.normalBias = this.normalBias;\n\t\tif ( this.radius !== 1 ) object.radius = this.radius;\n\t\tif ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray();\n\n\t\tobject.camera = this.camera.toJSON( false ).object;\n\t\tdelete object.camera.matrix;\n\n\t\treturn object;\n\n\t}\n\n}\n\nclass SpotLightShadow extends LightShadow {\n\n\tconstructor() {\n\n\t\tsuper( new PerspectiveCamera( 50, 1, 0.5, 500 ) );\n\n\t\tthis.isSpotLightShadow = true;\n\n\t\tthis.focus = 1;\n\n\t}\n\n\tupdateMatrices( light ) {\n\n\t\tconst camera = this.camera;\n\n\t\tconst fov = RAD2DEG * 2 * light.angle * this.focus;\n\t\tconst aspect = this.mapSize.width / this.mapSize.height;\n\t\tconst far = light.distance || camera.far;\n\n\t\tif ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) {\n\n\t\t\tcamera.fov = fov;\n\t\t\tcamera.aspect = aspect;\n\t\t\tcamera.far = far;\n\t\t\tcamera.updateProjectionMatrix();\n\n\t\t}\n\n\t\tsuper.updateMatrices( light );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.focus = source.focus;\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass SpotLight extends Light {\n\n\tconstructor( color, intensity, distance = 0, angle = Math.PI / 3, penumbra = 0, decay = 2 ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.isSpotLight = true;\n\n\t\tthis.type = 'SpotLight';\n\n\t\tthis.position.copy( Object3D.DEFAULT_UP );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tthis.distance = distance;\n\t\tthis.angle = angle;\n\t\tthis.penumbra = penumbra;\n\t\tthis.decay = decay;\n\n\t\tthis.map = null;\n\n\t\tthis.shadow = new SpotLightShadow();\n\n\t}\n\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in candela)\n\t\t// by convention for a spotlight, luminous power (lm) = \u03C0 * luminous intensity (cd)\n\t\treturn this.intensity * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in candela) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / Math.PI;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.distance = source.distance;\n\t\tthis.angle = source.angle;\n\t\tthis.penumbra = source.penumbra;\n\t\tthis.decay = source.decay;\n\n\t\tthis.target = source.target.clone();\n\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _projScreenMatrix = /*@__PURE__*/ new Matrix4();\nconst _lightPositionWorld = /*@__PURE__*/ new Vector3();\nconst _lookTarget = /*@__PURE__*/ new Vector3();\n\nclass PointLightShadow extends LightShadow {\n\n\tconstructor() {\n\n\t\tsuper( new PerspectiveCamera( 90, 1, 0.5, 500 ) );\n\n\t\tthis.isPointLightShadow = true;\n\n\t\tthis._frameExtents = new Vector2( 4, 2 );\n\n\t\tthis._viewportCount = 6;\n\n\t\tthis._viewports = [\n\t\t\t// These viewports map a cube-map onto a 2D texture with the\n\t\t\t// following orientation:\n\t\t\t//\n\t\t\t// xzXZ\n\t\t\t// y Y\n\t\t\t//\n\t\t\t// X - Positive x direction\n\t\t\t// x - Negative x direction\n\t\t\t// Y - Positive y direction\n\t\t\t// y - Negative y direction\n\t\t\t// Z - Positive z direction\n\t\t\t// z - Negative z direction\n\n\t\t\t// positive X\n\t\t\tnew Vector4( 2, 1, 1, 1 ),\n\t\t\t// negative X\n\t\t\tnew Vector4( 0, 1, 1, 1 ),\n\t\t\t// positive Z\n\t\t\tnew Vector4( 3, 1, 1, 1 ),\n\t\t\t// negative Z\n\t\t\tnew Vector4( 1, 1, 1, 1 ),\n\t\t\t// positive Y\n\t\t\tnew Vector4( 3, 0, 1, 1 ),\n\t\t\t// negative Y\n\t\t\tnew Vector4( 1, 0, 1, 1 )\n\t\t];\n\n\t\tthis._cubeDirections = [\n\t\t\tnew Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ),\n\t\t\tnew Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 )\n\t\t];\n\n\t\tthis._cubeUps = [\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ),\n\t\t\tnew Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ),\tnew Vector3( 0, 0, - 1 )\n\t\t];\n\n\t}\n\n\tupdateMatrices( light, viewportIndex = 0 ) {\n\n\t\tconst camera = this.camera;\n\t\tconst shadowMatrix = this.matrix;\n\n\t\tconst far = light.distance || camera.far;\n\n\t\tif ( far !== camera.far ) {\n\n\t\t\tcamera.far = far;\n\t\t\tcamera.updateProjectionMatrix();\n\n\t\t}\n\n\t\t_lightPositionWorld.setFromMatrixPosition( light.matrixWorld );\n\t\tcamera.position.copy( _lightPositionWorld );\n\n\t\t_lookTarget.copy( camera.position );\n\t\t_lookTarget.add( this._cubeDirections[ viewportIndex ] );\n\t\tcamera.up.copy( this._cubeUps[ viewportIndex ] );\n\t\tcamera.lookAt( _lookTarget );\n\t\tcamera.updateMatrixWorld();\n\n\t\tshadowMatrix.makeTranslation( - _lightPositionWorld.x, - _lightPositionWorld.y, - _lightPositionWorld.z );\n\n\t\t_projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );\n\t\tthis._frustum.setFromProjectionMatrix( _projScreenMatrix );\n\n\t}\n\n}\n\nclass PointLight extends Light {\n\n\tconstructor( color, intensity, distance = 0, decay = 2 ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.isPointLight = true;\n\n\t\tthis.type = 'PointLight';\n\n\t\tthis.distance = distance;\n\t\tthis.decay = decay;\n\n\t\tthis.shadow = new PointLightShadow();\n\n\t}\n\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in candela)\n\t\t// for an isotropic light source, luminous power (lm) = 4 \u03C0 luminous intensity (cd)\n\t\treturn this.intensity * 4 * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in candela) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / ( 4 * Math.PI );\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.distance = source.distance;\n\t\tthis.decay = source.decay;\n\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass OrthographicCamera extends Camera {\n\n\tconstructor( left = - 1, right = 1, top = 1, bottom = - 1, near = 0.1, far = 2000 ) {\n\n\t\tsuper();\n\n\t\tthis.isOrthographicCamera = true;\n\n\t\tthis.type = 'OrthographicCamera';\n\n\t\tthis.zoom = 1;\n\t\tthis.view = null;\n\n\t\tthis.left = left;\n\t\tthis.right = right;\n\t\tthis.top = top;\n\t\tthis.bottom = bottom;\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.left = source.left;\n\t\tthis.right = source.right;\n\t\tthis.top = source.top;\n\t\tthis.bottom = source.bottom;\n\t\tthis.near = source.near;\n\t\tthis.far = source.far;\n\n\t\tthis.zoom = source.zoom;\n\t\tthis.view = source.view === null ? null : Object.assign( {}, source.view );\n\n\t\treturn this;\n\n\t}\n\n\tsetViewOffset( fullWidth, fullHeight, x, y, width, height ) {\n\n\t\tif ( this.view === null ) {\n\n\t\t\tthis.view = {\n\t\t\t\tenabled: true,\n\t\t\t\tfullWidth: 1,\n\t\t\t\tfullHeight: 1,\n\t\t\t\toffsetX: 0,\n\t\t\t\toffsetY: 0,\n\t\t\t\twidth: 1,\n\t\t\t\theight: 1\n\t\t\t};\n\n\t\t}\n\n\t\tthis.view.enabled = true;\n\t\tthis.view.fullWidth = fullWidth;\n\t\tthis.view.fullHeight = fullHeight;\n\t\tthis.view.offsetX = x;\n\t\tthis.view.offsetY = y;\n\t\tthis.view.width = width;\n\t\tthis.view.height = height;\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tclearViewOffset() {\n\n\t\tif ( this.view !== null ) {\n\n\t\t\tthis.view.enabled = false;\n\n\t\t}\n\n\t\tthis.updateProjectionMatrix();\n\n\t}\n\n\tupdateProjectionMatrix() {\n\n\t\tconst dx = ( this.right - this.left ) / ( 2 * this.zoom );\n\t\tconst dy = ( this.top - this.bottom ) / ( 2 * this.zoom );\n\t\tconst cx = ( this.right + this.left ) / 2;\n\t\tconst cy = ( this.top + this.bottom ) / 2;\n\n\t\tlet left = cx - dx;\n\t\tlet right = cx + dx;\n\t\tlet top = cy + dy;\n\t\tlet bottom = cy - dy;\n\n\t\tif ( this.view !== null && this.view.enabled ) {\n\n\t\t\tconst scaleW = ( this.right - this.left ) / this.view.fullWidth / this.zoom;\n\t\t\tconst scaleH = ( this.top - this.bottom ) / this.view.fullHeight / this.zoom;\n\n\t\t\tleft += scaleW * this.view.offsetX;\n\t\t\tright = left + scaleW * this.view.width;\n\t\t\ttop -= scaleH * this.view.offsetY;\n\t\t\tbottom = top - scaleH * this.view.height;\n\n\t\t}\n\n\t\tthis.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far, this.coordinateSystem );\n\n\t\tthis.projectionMatrixInverse.copy( this.projectionMatrix ).invert();\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.zoom = this.zoom;\n\t\tdata.object.left = this.left;\n\t\tdata.object.right = this.right;\n\t\tdata.object.top = this.top;\n\t\tdata.object.bottom = this.bottom;\n\t\tdata.object.near = this.near;\n\t\tdata.object.far = this.far;\n\n\t\tif ( this.view !== null ) data.object.view = Object.assign( {}, this.view );\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass DirectionalLightShadow extends LightShadow {\n\n\tconstructor() {\n\n\t\tsuper( new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) );\n\n\t\tthis.isDirectionalLightShadow = true;\n\n\t}\n\n}\n\nclass DirectionalLight extends Light {\n\n\tconstructor( color, intensity ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.isDirectionalLight = true;\n\n\t\tthis.type = 'DirectionalLight';\n\n\t\tthis.position.copy( Object3D.DEFAULT_UP );\n\t\tthis.updateMatrix();\n\n\t\tthis.target = new Object3D();\n\n\t\tthis.shadow = new DirectionalLightShadow();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.shadow.dispose();\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.target = source.target.clone();\n\t\tthis.shadow = source.shadow.clone();\n\n\t\treturn this;\n\n\t}\n\n}\n\nclass AmbientLight extends Light {\n\n\tconstructor( color, intensity ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.isAmbientLight = true;\n\n\t\tthis.type = 'AmbientLight';\n\n\t}\n\n}\n\nclass RectAreaLight extends Light {\n\n\tconstructor( color, intensity, width = 10, height = 10 ) {\n\n\t\tsuper( color, intensity );\n\n\t\tthis.isRectAreaLight = true;\n\n\t\tthis.type = 'RectAreaLight';\n\n\t\tthis.width = width;\n\t\tthis.height = height;\n\n\t}\n\n\tget power() {\n\n\t\t// compute the light's luminous power (in lumens) from its intensity (in nits)\n\t\treturn this.intensity * this.width * this.height * Math.PI;\n\n\t}\n\n\tset power( power ) {\n\n\t\t// set the light's intensity (in nits) from the desired luminous power (in lumens)\n\t\tthis.intensity = power / ( this.width * this.height * Math.PI );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.width = source.width;\n\t\tthis.height = source.height;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.width = this.width;\n\t\tdata.object.height = this.height;\n\n\t\treturn data;\n\n\t}\n\n}\n\n/**\n * Primary reference:\n * https://graphics.stanford.edu/papers/envmap/envmap.pdf\n *\n * Secondary reference:\n * https://www.ppsloan.org/publications/StupidSH36.pdf\n */\n\n// 3-band SH defined by 9 coefficients\n\nclass SphericalHarmonics3 {\n\n\tconstructor() {\n\n\t\tthis.isSphericalHarmonics3 = true;\n\n\t\tthis.coefficients = [];\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients.push( new Vector3() );\n\n\t\t}\n\n\t}\n\n\tset( coefficients ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].copy( coefficients[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tzero() {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].set( 0, 0, 0 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// get the radiance in the direction of the normal\n\t// target is a Vector3\n\tgetAt( normal, target ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\tconst coeff = this.coefficients;\n\n\t\t// band 0\n\t\ttarget.copy( coeff[ 0 ] ).multiplyScalar( 0.282095 );\n\n\t\t// band 1\n\t\ttarget.addScaledVector( coeff[ 1 ], 0.488603 * y );\n\t\ttarget.addScaledVector( coeff[ 2 ], 0.488603 * z );\n\t\ttarget.addScaledVector( coeff[ 3 ], 0.488603 * x );\n\n\t\t// band 2\n\t\ttarget.addScaledVector( coeff[ 4 ], 1.092548 * ( x * y ) );\n\t\ttarget.addScaledVector( coeff[ 5 ], 1.092548 * ( y * z ) );\n\t\ttarget.addScaledVector( coeff[ 6 ], 0.315392 * ( 3.0 * z * z - 1.0 ) );\n\t\ttarget.addScaledVector( coeff[ 7 ], 1.092548 * ( x * z ) );\n\t\ttarget.addScaledVector( coeff[ 8 ], 0.546274 * ( x * x - y * y ) );\n\n\t\treturn target;\n\n\t}\n\n\t// get the irradiance (radiance convolved with cosine lobe) in the direction of the normal\n\t// target is a Vector3\n\t// https://graphics.stanford.edu/papers/envmap/envmap.pdf\n\tgetIrradianceAt( normal, target ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\tconst coeff = this.coefficients;\n\n\t\t// band 0\n\t\ttarget.copy( coeff[ 0 ] ).multiplyScalar( 0.886227 ); // \u03C0 * 0.282095\n\n\t\t// band 1\n\t\ttarget.addScaledVector( coeff[ 1 ], 2.0 * 0.511664 * y ); // ( 2 * \u03C0 / 3 ) * 0.488603\n\t\ttarget.addScaledVector( coeff[ 2 ], 2.0 * 0.511664 * z );\n\t\ttarget.addScaledVector( coeff[ 3 ], 2.0 * 0.511664 * x );\n\n\t\t// band 2\n\t\ttarget.addScaledVector( coeff[ 4 ], 2.0 * 0.429043 * x * y ); // ( \u03C0 / 4 ) * 1.092548\n\t\ttarget.addScaledVector( coeff[ 5 ], 2.0 * 0.429043 * y * z );\n\t\ttarget.addScaledVector( coeff[ 6 ], 0.743125 * z * z - 0.247708 ); // ( \u03C0 / 4 ) * 0.315392 * 3\n\t\ttarget.addScaledVector( coeff[ 7 ], 2.0 * 0.429043 * x * z );\n\t\ttarget.addScaledVector( coeff[ 8 ], 0.429043 * ( x * x - y * y ) ); // ( \u03C0 / 4 ) * 0.546274\n\n\t\treturn target;\n\n\t}\n\n\tadd( sh ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].add( sh.coefficients[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\taddScaledSH( sh, s ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].addScaledVector( sh.coefficients[ i ], s );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tscale( s ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].multiplyScalar( s );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tlerp( sh, alpha ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tthis.coefficients[ i ].lerp( sh.coefficients[ i ], alpha );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tequals( sh ) {\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tif ( ! this.coefficients[ i ].equals( sh.coefficients[ i ] ) ) {\n\n\t\t\t\treturn false;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn true;\n\n\t}\n\n\tcopy( sh ) {\n\n\t\treturn this.set( sh.coefficients );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tconst coefficients = this.coefficients;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tcoefficients[ i ].fromArray( array, offset + ( i * 3 ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\ttoArray( array = [], offset = 0 ) {\n\n\t\tconst coefficients = this.coefficients;\n\n\t\tfor ( let i = 0; i < 9; i ++ ) {\n\n\t\t\tcoefficients[ i ].toArray( array, offset + ( i * 3 ) );\n\n\t\t}\n\n\t\treturn array;\n\n\t}\n\n\t// evaluate the basis functions\n\t// shBasis is an Array[ 9 ]\n\tstatic getBasisAt( normal, shBasis ) {\n\n\t\t// normal is assumed to be unit length\n\n\t\tconst x = normal.x, y = normal.y, z = normal.z;\n\n\t\t// band 0\n\t\tshBasis[ 0 ] = 0.282095;\n\n\t\t// band 1\n\t\tshBasis[ 1 ] = 0.488603 * y;\n\t\tshBasis[ 2 ] = 0.488603 * z;\n\t\tshBasis[ 3 ] = 0.488603 * x;\n\n\t\t// band 2\n\t\tshBasis[ 4 ] = 1.092548 * x * y;\n\t\tshBasis[ 5 ] = 1.092548 * y * z;\n\t\tshBasis[ 6 ] = 0.315392 * ( 3 * z * z - 1 );\n\t\tshBasis[ 7 ] = 1.092548 * x * z;\n\t\tshBasis[ 8 ] = 0.546274 * ( x * x - y * y );\n\n\t}\n\n}\n\nclass LightProbe extends Light {\n\n\tconstructor( sh = new SphericalHarmonics3(), intensity = 1 ) {\n\n\t\tsuper( undefined, intensity );\n\n\t\tthis.isLightProbe = true;\n\n\t\tthis.sh = sh;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.sh.copy( source.sh );\n\n\t\treturn this;\n\n\t}\n\n\tfromJSON( json ) {\n\n\t\tthis.intensity = json.intensity; // TODO: Move this bit to Light.fromJSON();\n\t\tthis.sh.fromArray( json.sh );\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON( meta ) {\n\n\t\tconst data = super.toJSON( meta );\n\n\t\tdata.object.sh = this.sh.toArray();\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass MaterialLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\t\tthis.textures = {};\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( scope.manager );\n\t\tloader.setPath( scope.path );\n\t\tloader.setRequestHeader( scope.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\tconst textures = this.textures;\n\n\t\tfunction getTexture( name ) {\n\n\t\t\tif ( textures[ name ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.MaterialLoader: Undefined texture', name );\n\n\t\t\t}\n\n\t\t\treturn textures[ name ];\n\n\t\t}\n\n\t\tconst material = this.createMaterialFromType( json.type );\n\n\t\tif ( json.uuid !== undefined ) material.uuid = json.uuid;\n\t\tif ( json.name !== undefined ) material.name = json.name;\n\t\tif ( json.color !== undefined && material.color !== undefined ) material.color.setHex( json.color );\n\t\tif ( json.roughness !== undefined ) material.roughness = json.roughness;\n\t\tif ( json.metalness !== undefined ) material.metalness = json.metalness;\n\t\tif ( json.sheen !== undefined ) material.sheen = json.sheen;\n\t\tif ( json.sheenColor !== undefined ) material.sheenColor = new Color().setHex( json.sheenColor );\n\t\tif ( json.sheenRoughness !== undefined ) material.sheenRoughness = json.sheenRoughness;\n\t\tif ( json.emissive !== undefined && material.emissive !== undefined ) material.emissive.setHex( json.emissive );\n\t\tif ( json.specular !== undefined && material.specular !== undefined ) material.specular.setHex( json.specular );\n\t\tif ( json.specularIntensity !== undefined ) material.specularIntensity = json.specularIntensity;\n\t\tif ( json.specularColor !== undefined && material.specularColor !== undefined ) material.specularColor.setHex( json.specularColor );\n\t\tif ( json.shininess !== undefined ) material.shininess = json.shininess;\n\t\tif ( json.clearcoat !== undefined ) material.clearcoat = json.clearcoat;\n\t\tif ( json.clearcoatRoughness !== undefined ) material.clearcoatRoughness = json.clearcoatRoughness;\n\t\tif ( json.dispersion !== undefined ) material.dispersion = json.dispersion;\n\t\tif ( json.iridescence !== undefined ) material.iridescence = json.iridescence;\n\t\tif ( json.iridescenceIOR !== undefined ) material.iridescenceIOR = json.iridescenceIOR;\n\t\tif ( json.iridescenceThicknessRange !== undefined ) material.iridescenceThicknessRange = json.iridescenceThicknessRange;\n\t\tif ( json.transmission !== undefined ) material.transmission = json.transmission;\n\t\tif ( json.thickness !== undefined ) material.thickness = json.thickness;\n\t\tif ( json.attenuationDistance !== undefined ) material.attenuationDistance = json.attenuationDistance;\n\t\tif ( json.attenuationColor !== undefined && material.attenuationColor !== undefined ) material.attenuationColor.setHex( json.attenuationColor );\n\t\tif ( json.anisotropy !== undefined ) material.anisotropy = json.anisotropy;\n\t\tif ( json.anisotropyRotation !== undefined ) material.anisotropyRotation = json.anisotropyRotation;\n\t\tif ( json.fog !== undefined ) material.fog = json.fog;\n\t\tif ( json.flatShading !== undefined ) material.flatShading = json.flatShading;\n\t\tif ( json.blending !== undefined ) material.blending = json.blending;\n\t\tif ( json.combine !== undefined ) material.combine = json.combine;\n\t\tif ( json.side !== undefined ) material.side = json.side;\n\t\tif ( json.shadowSide !== undefined ) material.shadowSide = json.shadowSide;\n\t\tif ( json.opacity !== undefined ) material.opacity = json.opacity;\n\t\tif ( json.transparent !== undefined ) material.transparent = json.transparent;\n\t\tif ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest;\n\t\tif ( json.alphaHash !== undefined ) material.alphaHash = json.alphaHash;\n\t\tif ( json.depthFunc !== undefined ) material.depthFunc = json.depthFunc;\n\t\tif ( json.depthTest !== undefined ) material.depthTest = json.depthTest;\n\t\tif ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite;\n\t\tif ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite;\n\t\tif ( json.blendSrc !== undefined ) material.blendSrc = json.blendSrc;\n\t\tif ( json.blendDst !== undefined ) material.blendDst = json.blendDst;\n\t\tif ( json.blendEquation !== undefined ) material.blendEquation = json.blendEquation;\n\t\tif ( json.blendSrcAlpha !== undefined ) material.blendSrcAlpha = json.blendSrcAlpha;\n\t\tif ( json.blendDstAlpha !== undefined ) material.blendDstAlpha = json.blendDstAlpha;\n\t\tif ( json.blendEquationAlpha !== undefined ) material.blendEquationAlpha = json.blendEquationAlpha;\n\t\tif ( json.blendColor !== undefined && material.blendColor !== undefined ) material.blendColor.setHex( json.blendColor );\n\t\tif ( json.blendAlpha !== undefined ) material.blendAlpha = json.blendAlpha;\n\t\tif ( json.stencilWriteMask !== undefined ) material.stencilWriteMask = json.stencilWriteMask;\n\t\tif ( json.stencilFunc !== undefined ) material.stencilFunc = json.stencilFunc;\n\t\tif ( json.stencilRef !== undefined ) material.stencilRef = json.stencilRef;\n\t\tif ( json.stencilFuncMask !== undefined ) material.stencilFuncMask = json.stencilFuncMask;\n\t\tif ( json.stencilFail !== undefined ) material.stencilFail = json.stencilFail;\n\t\tif ( json.stencilZFail !== undefined ) material.stencilZFail = json.stencilZFail;\n\t\tif ( json.stencilZPass !== undefined ) material.stencilZPass = json.stencilZPass;\n\t\tif ( json.stencilWrite !== undefined ) material.stencilWrite = json.stencilWrite;\n\n\t\tif ( json.wireframe !== undefined ) material.wireframe = json.wireframe;\n\t\tif ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth;\n\t\tif ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap;\n\t\tif ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin;\n\n\t\tif ( json.rotation !== undefined ) material.rotation = json.rotation;\n\n\t\tif ( json.linewidth !== undefined ) material.linewidth = json.linewidth;\n\t\tif ( json.dashSize !== undefined ) material.dashSize = json.dashSize;\n\t\tif ( json.gapSize !== undefined ) material.gapSize = json.gapSize;\n\t\tif ( json.scale !== undefined ) material.scale = json.scale;\n\n\t\tif ( json.polygonOffset !== undefined ) material.polygonOffset = json.polygonOffset;\n\t\tif ( json.polygonOffsetFactor !== undefined ) material.polygonOffsetFactor = json.polygonOffsetFactor;\n\t\tif ( json.polygonOffsetUnits !== undefined ) material.polygonOffsetUnits = json.polygonOffsetUnits;\n\n\t\tif ( json.dithering !== undefined ) material.dithering = json.dithering;\n\n\t\tif ( json.alphaToCoverage !== undefined ) material.alphaToCoverage = json.alphaToCoverage;\n\t\tif ( json.premultipliedAlpha !== undefined ) material.premultipliedAlpha = json.premultipliedAlpha;\n\t\tif ( json.forceSinglePass !== undefined ) material.forceSinglePass = json.forceSinglePass;\n\n\t\tif ( json.visible !== undefined ) material.visible = json.visible;\n\n\t\tif ( json.toneMapped !== undefined ) material.toneMapped = json.toneMapped;\n\n\t\tif ( json.userData !== undefined ) material.userData = json.userData;\n\n\t\tif ( json.vertexColors !== undefined ) {\n\n\t\t\tif ( typeof json.vertexColors === 'number' ) {\n\n\t\t\t\tmaterial.vertexColors = ( json.vertexColors > 0 ) ? true : false;\n\n\t\t\t} else {\n\n\t\t\t\tmaterial.vertexColors = json.vertexColors;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Shader Material\n\n\t\tif ( json.uniforms !== undefined ) {\n\n\t\t\tfor ( const name in json.uniforms ) {\n\n\t\t\t\tconst uniform = json.uniforms[ name ];\n\n\t\t\t\tmaterial.uniforms[ name ] = {};\n\n\t\t\t\tswitch ( uniform.type ) {\n\n\t\t\t\t\tcase 't':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = getTexture( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'c':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Color().setHex( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v2':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector2().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v3':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector3().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'v4':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Vector4().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'm3':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Matrix3().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase 'm4':\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = new Matrix4().fromArray( uniform.value );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tmaterial.uniforms[ name ].value = uniform.value;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json.defines !== undefined ) material.defines = json.defines;\n\t\tif ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader;\n\t\tif ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader;\n\t\tif ( json.glslVersion !== undefined ) material.glslVersion = json.glslVersion;\n\n\t\tif ( json.extensions !== undefined ) {\n\n\t\t\tfor ( const key in json.extensions ) {\n\n\t\t\t\tmaterial.extensions[ key ] = json.extensions[ key ];\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json.lights !== undefined ) material.lights = json.lights;\n\t\tif ( json.clipping !== undefined ) material.clipping = json.clipping;\n\n\t\t// for PointsMaterial\n\n\t\tif ( json.size !== undefined ) material.size = json.size;\n\t\tif ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation;\n\n\t\t// maps\n\n\t\tif ( json.map !== undefined ) material.map = getTexture( json.map );\n\t\tif ( json.matcap !== undefined ) material.matcap = getTexture( json.matcap );\n\n\t\tif ( json.alphaMap !== undefined ) material.alphaMap = getTexture( json.alphaMap );\n\n\t\tif ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap );\n\t\tif ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale;\n\n\t\tif ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap );\n\t\tif ( json.normalMapType !== undefined ) material.normalMapType = json.normalMapType;\n\t\tif ( json.normalScale !== undefined ) {\n\n\t\t\tlet normalScale = json.normalScale;\n\n\t\t\tif ( Array.isArray( normalScale ) === false ) {\n\n\t\t\t\t// Blender exporter used to export a scalar. See #7459\n\n\t\t\t\tnormalScale = [ normalScale, normalScale ];\n\n\t\t\t}\n\n\t\t\tmaterial.normalScale = new Vector2().fromArray( normalScale );\n\n\t\t}\n\n\t\tif ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap );\n\t\tif ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale;\n\t\tif ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias;\n\n\t\tif ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap );\n\t\tif ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap );\n\n\t\tif ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap );\n\t\tif ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity;\n\n\t\tif ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap );\n\t\tif ( json.specularIntensityMap !== undefined ) material.specularIntensityMap = getTexture( json.specularIntensityMap );\n\t\tif ( json.specularColorMap !== undefined ) material.specularColorMap = getTexture( json.specularColorMap );\n\n\t\tif ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap );\n\t\tif ( json.envMapRotation !== undefined ) material.envMapRotation.fromArray( json.envMapRotation );\n\t\tif ( json.envMapIntensity !== undefined ) material.envMapIntensity = json.envMapIntensity;\n\n\t\tif ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity;\n\t\tif ( json.refractionRatio !== undefined ) material.refractionRatio = json.refractionRatio;\n\n\t\tif ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap );\n\t\tif ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity;\n\n\t\tif ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap );\n\t\tif ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity;\n\n\t\tif ( json.gradientMap !== undefined ) material.gradientMap = getTexture( json.gradientMap );\n\n\t\tif ( json.clearcoatMap !== undefined ) material.clearcoatMap = getTexture( json.clearcoatMap );\n\t\tif ( json.clearcoatRoughnessMap !== undefined ) material.clearcoatRoughnessMap = getTexture( json.clearcoatRoughnessMap );\n\t\tif ( json.clearcoatNormalMap !== undefined ) material.clearcoatNormalMap = getTexture( json.clearcoatNormalMap );\n\t\tif ( json.clearcoatNormalScale !== undefined ) material.clearcoatNormalScale = new Vector2().fromArray( json.clearcoatNormalScale );\n\n\t\tif ( json.iridescenceMap !== undefined ) material.iridescenceMap = getTexture( json.iridescenceMap );\n\t\tif ( json.iridescenceThicknessMap !== undefined ) material.iridescenceThicknessMap = getTexture( json.iridescenceThicknessMap );\n\n\t\tif ( json.transmissionMap !== undefined ) material.transmissionMap = getTexture( json.transmissionMap );\n\t\tif ( json.thicknessMap !== undefined ) material.thicknessMap = getTexture( json.thicknessMap );\n\n\t\tif ( json.anisotropyMap !== undefined ) material.anisotropyMap = getTexture( json.anisotropyMap );\n\n\t\tif ( json.sheenColorMap !== undefined ) material.sheenColorMap = getTexture( json.sheenColorMap );\n\t\tif ( json.sheenRoughnessMap !== undefined ) material.sheenRoughnessMap = getTexture( json.sheenRoughnessMap );\n\n\t\treturn material;\n\n\t}\n\n\tsetTextures( value ) {\n\n\t\tthis.textures = value;\n\t\treturn this;\n\n\t}\n\n\tcreateMaterialFromType( type ) {\n\n\t\treturn MaterialLoader.createMaterialFromType( type );\n\n\t}\n\n\tstatic createMaterialFromType( type ) {\n\n\t\tconst materialLib = {\n\t\t\tShadowMaterial,\n\t\t\tSpriteMaterial,\n\t\t\tRawShaderMaterial,\n\t\t\tShaderMaterial,\n\t\t\tPointsMaterial,\n\t\t\tMeshPhysicalMaterial,\n\t\t\tMeshStandardMaterial,\n\t\t\tMeshPhongMaterial,\n\t\t\tMeshToonMaterial,\n\t\t\tMeshNormalMaterial,\n\t\t\tMeshLambertMaterial,\n\t\t\tMeshDepthMaterial,\n\t\t\tMeshDistanceMaterial,\n\t\t\tMeshBasicMaterial,\n\t\t\tMeshMatcapMaterial,\n\t\t\tLineDashedMaterial,\n\t\t\tLineBasicMaterial,\n\t\t\tMaterial\n\t\t};\n\n\t\treturn new materialLib[ type ]();\n\n\t}\n\n}\n\nclass LoaderUtils {\n\n\tstatic decodeText( array ) { // @deprecated, r165\n\n\t\tconsole.warn( 'THREE.LoaderUtils: decodeText() has been deprecated with r165 and will be removed with r175. Use TextDecoder instead.' );\n\n\t\tif ( typeof TextDecoder !== 'undefined' ) {\n\n\t\t\treturn new TextDecoder().decode( array );\n\n\t\t}\n\n\t\t// Avoid the String.fromCharCode.apply(null, array) shortcut, which\n\t\t// throws a \"maximum call stack size exceeded\" error for large arrays.\n\n\t\tlet s = '';\n\n\t\tfor ( let i = 0, il = array.length; i < il; i ++ ) {\n\n\t\t\t// Implicitly assumes little-endian.\n\t\t\ts += String.fromCharCode( array[ i ] );\n\n\t\t}\n\n\t\ttry {\n\n\t\t\t// merges multi-byte utf-8 characters.\n\n\t\t\treturn decodeURIComponent( escape( s ) );\n\n\t\t} catch ( e ) { // see #16358\n\n\t\t\treturn s;\n\n\t\t}\n\n\t}\n\n\tstatic extractUrlBase( url ) {\n\n\t\tconst index = url.lastIndexOf( '/' );\n\n\t\tif ( index === - 1 ) return './';\n\n\t\treturn url.slice( 0, index + 1 );\n\n\t}\n\n\tstatic resolveURL( url, path ) {\n\n\t\t// Invalid URL\n\t\tif ( typeof url !== 'string' || url === '' ) return '';\n\n\t\t// Host Relative URL\n\t\tif ( /^https?:\\/\\//i.test( path ) && /^\\//.test( url ) ) {\n\n\t\t\tpath = path.replace( /(^https?:\\/\\/[^\\/]+).*/i, '$1' );\n\n\t\t}\n\n\t\t// Absolute URL http://,https://,//\n\t\tif ( /^(https?:)?\\/\\//i.test( url ) ) return url;\n\n\t\t// Data URI\n\t\tif ( /^data:.*,.*$/i.test( url ) ) return url;\n\n\t\t// Blob URL\n\t\tif ( /^blob:.*$/i.test( url ) ) return url;\n\n\t\t// Relative URL\n\t\treturn path + url;\n\n\t}\n\n}\n\nclass InstancedBufferGeometry extends BufferGeometry {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isInstancedBufferGeometry = true;\n\n\t\tthis.type = 'InstancedBufferGeometry';\n\t\tthis.instanceCount = Infinity;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.instanceCount = source.instanceCount;\n\n\t\treturn this;\n\n\t}\n\n\ttoJSON() {\n\n\t\tconst data = super.toJSON();\n\n\t\tdata.instanceCount = this.instanceCount;\n\n\t\tdata.isInstancedBufferGeometry = true;\n\n\t\treturn data;\n\n\t}\n\n}\n\nclass BufferGeometryLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( scope.manager );\n\t\tloader.setPath( scope.path );\n\t\tloader.setRequestHeader( scope.requestHeader );\n\t\tloader.setWithCredentials( scope.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( JSON.parse( text ) ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tparse( json ) {\n\n\t\tconst interleavedBufferMap = {};\n\t\tconst arrayBufferMap = {};\n\n\t\tfunction getInterleavedBuffer( json, uuid ) {\n\n\t\t\tif ( interleavedBufferMap[ uuid ] !== undefined ) return interleavedBufferMap[ uuid ];\n\n\t\t\tconst interleavedBuffers = json.interleavedBuffers;\n\t\t\tconst interleavedBuffer = interleavedBuffers[ uuid ];\n\n\t\t\tconst buffer = getArrayBuffer( json, interleavedBuffer.buffer );\n\n\t\t\tconst array = getTypedArray( interleavedBuffer.type, buffer );\n\t\t\tconst ib = new InterleavedBuffer( array, interleavedBuffer.stride );\n\t\t\tib.uuid = interleavedBuffer.uuid;\n\n\t\t\tinterleavedBufferMap[ uuid ] = ib;\n\n\t\t\treturn ib;\n\n\t\t}\n\n\t\tfunction getArrayBuffer( json, uuid ) {\n\n\t\t\tif ( arrayBufferMap[ uuid ] !== undefined ) return arrayBufferMap[ uuid ];\n\n\t\t\tconst arrayBuffers = json.arrayBuffers;\n\t\t\tconst arrayBuffer = arrayBuffers[ uuid ];\n\n\t\t\tconst ab = new Uint32Array( arrayBuffer ).buffer;\n\n\t\t\tarrayBufferMap[ uuid ] = ab;\n\n\t\t\treturn ab;\n\n\t\t}\n\n\t\tconst geometry = json.isInstancedBufferGeometry ? new InstancedBufferGeometry() : new BufferGeometry();\n\n\t\tconst index = json.data.index;\n\n\t\tif ( index !== undefined ) {\n\n\t\t\tconst typedArray = getTypedArray( index.type, index.array );\n\t\t\tgeometry.setIndex( new BufferAttribute( typedArray, 1 ) );\n\n\t\t}\n\n\t\tconst attributes = json.data.attributes;\n\n\t\tfor ( const key in attributes ) {\n\n\t\t\tconst attribute = attributes[ key ];\n\t\t\tlet bufferAttribute;\n\n\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\tconst interleavedBuffer = getInterleavedBuffer( json.data, attribute.data );\n\t\t\t\tbufferAttribute = new InterleavedBufferAttribute( interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized );\n\n\t\t\t} else {\n\n\t\t\t\tconst typedArray = getTypedArray( attribute.type, attribute.array );\n\t\t\t\tconst bufferAttributeConstr = attribute.isInstancedBufferAttribute ? InstancedBufferAttribute : BufferAttribute;\n\t\t\t\tbufferAttribute = new bufferAttributeConstr( typedArray, attribute.itemSize, attribute.normalized );\n\n\t\t\t}\n\n\t\t\tif ( attribute.name !== undefined ) bufferAttribute.name = attribute.name;\n\t\t\tif ( attribute.usage !== undefined ) bufferAttribute.setUsage( attribute.usage );\n\n\t\t\tgeometry.setAttribute( key, bufferAttribute );\n\n\t\t}\n\n\t\tconst morphAttributes = json.data.morphAttributes;\n\n\t\tif ( morphAttributes ) {\n\n\t\t\tfor ( const key in morphAttributes ) {\n\n\t\t\t\tconst attributeArray = morphAttributes[ key ];\n\n\t\t\t\tconst array = [];\n\n\t\t\t\tfor ( let i = 0, il = attributeArray.length; i < il; i ++ ) {\n\n\t\t\t\t\tconst attribute = attributeArray[ i ];\n\t\t\t\t\tlet bufferAttribute;\n\n\t\t\t\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\t\t\t\tconst interleavedBuffer = getInterleavedBuffer( json.data, attribute.data );\n\t\t\t\t\t\tbufferAttribute = new InterleavedBufferAttribute( interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst typedArray = getTypedArray( attribute.type, attribute.array );\n\t\t\t\t\t\tbufferAttribute = new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( attribute.name !== undefined ) bufferAttribute.name = attribute.name;\n\t\t\t\t\tarray.push( bufferAttribute );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.morphAttributes[ key ] = array;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst morphTargetsRelative = json.data.morphTargetsRelative;\n\n\t\tif ( morphTargetsRelative ) {\n\n\t\t\tgeometry.morphTargetsRelative = true;\n\n\t\t}\n\n\t\tconst groups = json.data.groups || json.data.drawcalls || json.data.offsets;\n\n\t\tif ( groups !== undefined ) {\n\n\t\t\tfor ( let i = 0, n = groups.length; i !== n; ++ i ) {\n\n\t\t\t\tconst group = groups[ i ];\n\n\t\t\t\tgeometry.addGroup( group.start, group.count, group.materialIndex );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst boundingSphere = json.data.boundingSphere;\n\n\t\tif ( boundingSphere !== undefined ) {\n\n\t\t\tconst center = new Vector3();\n\n\t\t\tif ( boundingSphere.center !== undefined ) {\n\n\t\t\t\tcenter.fromArray( boundingSphere.center );\n\n\t\t\t}\n\n\t\t\tgeometry.boundingSphere = new Sphere( center, boundingSphere.radius );\n\n\t\t}\n\n\t\tif ( json.name ) geometry.name = json.name;\n\t\tif ( json.userData ) geometry.userData = json.userData;\n\n\t\treturn geometry;\n\n\t}\n\n}\n\nclass ObjectLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path;\n\t\tthis.resourcePath = this.resourcePath || path;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\tlet json = null;\n\n\t\t\ttry {\n\n\t\t\t\tjson = JSON.parse( text );\n\n\t\t\t} catch ( error ) {\n\n\t\t\t\tif ( onError !== undefined ) onError( error );\n\n\t\t\t\tconsole.error( 'THREE:ObjectLoader: Can\\'t parse ' + url + '.', error.message );\n\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tconst metadata = json.metadata;\n\n\t\t\tif ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) {\n\n\t\t\t\tif ( onError !== undefined ) onError( new Error( 'THREE.ObjectLoader: Can\\'t load ' + url ) );\n\n\t\t\t\tconsole.error( 'THREE.ObjectLoader: Can\\'t load ' + url );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tscope.parse( json, onLoad );\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tasync loadAsync( url, onProgress ) {\n\n\t\tconst scope = this;\n\n\t\tconst path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path;\n\t\tthis.resourcePath = this.resourcePath || path;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\n\t\tconst text = await loader.loadAsync( url, onProgress );\n\n\t\tconst json = JSON.parse( text );\n\n\t\tconst metadata = json.metadata;\n\n\t\tif ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) {\n\n\t\t\tthrow new Error( 'THREE.ObjectLoader: Can\\'t load ' + url );\n\n\t\t}\n\n\t\treturn await scope.parseAsync( json );\n\n\t}\n\n\tparse( json, onLoad ) {\n\n\t\tconst animations = this.parseAnimations( json.animations );\n\t\tconst shapes = this.parseShapes( json.shapes );\n\t\tconst geometries = this.parseGeometries( json.geometries, shapes );\n\n\t\tconst images = this.parseImages( json.images, function () {\n\n\t\t\tif ( onLoad !== undefined ) onLoad( object );\n\n\t\t} );\n\n\t\tconst textures = this.parseTextures( json.textures, images );\n\t\tconst materials = this.parseMaterials( json.materials, textures );\n\n\t\tconst object = this.parseObject( json.object, geometries, materials, textures, animations );\n\t\tconst skeletons = this.parseSkeletons( json.skeletons, object );\n\n\t\tthis.bindSkeletons( object, skeletons );\n\t\tthis.bindLightTargets( object );\n\n\t\t//\n\n\t\tif ( onLoad !== undefined ) {\n\n\t\t\tlet hasImages = false;\n\n\t\t\tfor ( const uuid in images ) {\n\n\t\t\t\tif ( images[ uuid ].data instanceof HTMLImageElement ) {\n\n\t\t\t\t\thasImages = true;\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( hasImages === false ) onLoad( object );\n\n\t\t}\n\n\t\treturn object;\n\n\t}\n\n\tasync parseAsync( json ) {\n\n\t\tconst animations = this.parseAnimations( json.animations );\n\t\tconst shapes = this.parseShapes( json.shapes );\n\t\tconst geometries = this.parseGeometries( json.geometries, shapes );\n\n\t\tconst images = await this.parseImagesAsync( json.images );\n\n\t\tconst textures = this.parseTextures( json.textures, images );\n\t\tconst materials = this.parseMaterials( json.materials, textures );\n\n\t\tconst object = this.parseObject( json.object, geometries, materials, textures, animations );\n\t\tconst skeletons = this.parseSkeletons( json.skeletons, object );\n\n\t\tthis.bindSkeletons( object, skeletons );\n\t\tthis.bindLightTargets( object );\n\n\t\treturn object;\n\n\t}\n\n\tparseShapes( json ) {\n\n\t\tconst shapes = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst shape = new Shape().fromJSON( json[ i ] );\n\n\t\t\t\tshapes[ shape.uuid ] = shape;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn shapes;\n\n\t}\n\n\tparseSkeletons( json, object ) {\n\n\t\tconst skeletons = {};\n\t\tconst bones = {};\n\n\t\t// generate bone lookup table\n\n\t\tobject.traverse( function ( child ) {\n\n\t\t\tif ( child.isBone ) bones[ child.uuid ] = child;\n\n\t\t} );\n\n\t\t// create skeletons\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst skeleton = new Skeleton().fromJSON( json[ i ], bones );\n\n\t\t\t\tskeletons[ skeleton.uuid ] = skeleton;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn skeletons;\n\n\t}\n\n\tparseGeometries( json, shapes ) {\n\n\t\tconst geometries = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tconst bufferGeometryLoader = new BufferGeometryLoader();\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tlet geometry;\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tswitch ( data.type ) {\n\n\t\t\t\t\tcase 'BufferGeometry':\n\t\t\t\t\tcase 'InstancedBufferGeometry':\n\n\t\t\t\t\t\tgeometry = bufferGeometryLoader.parse( data );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tif ( data.type in Geometries ) {\n\n\t\t\t\t\t\t\tgeometry = Geometries[ data.type ].fromJSON( data, shapes );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tconsole.warn( `THREE.ObjectLoader: Unsupported geometry type \"${ data.type }\"` );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) geometry.name = data.name;\n\t\t\t\tif ( data.userData !== undefined ) geometry.userData = data.userData;\n\n\t\t\t\tgeometries[ data.uuid ] = geometry;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn geometries;\n\n\t}\n\n\tparseMaterials( json, textures ) {\n\n\t\tconst cache = {}; // MultiMaterial\n\t\tconst materials = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tconst loader = new MaterialLoader();\n\t\t\tloader.setTextures( textures );\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tif ( cache[ data.uuid ] === undefined ) {\n\n\t\t\t\t\tcache[ data.uuid ] = loader.parse( data );\n\n\t\t\t\t}\n\n\t\t\t\tmaterials[ data.uuid ] = cache[ data.uuid ];\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn materials;\n\n\t}\n\n\tparseAnimations( json ) {\n\n\t\tconst animations = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0; i < json.length; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tconst clip = AnimationClip.parse( data );\n\n\t\t\t\tanimations[ clip.uuid ] = clip;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn animations;\n\n\t}\n\n\tparseImages( json, onLoad ) {\n\n\t\tconst scope = this;\n\t\tconst images = {};\n\n\t\tlet loader;\n\n\t\tfunction loadImage( url ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\treturn loader.load( url, function () {\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, undefined, function () {\n\n\t\t\t\tscope.manager.itemError( url );\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t} );\n\n\t\t}\n\n\t\tfunction deserializeImage( image ) {\n\n\t\t\tif ( typeof image === 'string' ) {\n\n\t\t\t\tconst url = image;\n\n\t\t\t\tconst path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( url ) ? url : scope.resourcePath + url;\n\n\t\t\t\treturn loadImage( path );\n\n\t\t\t} else {\n\n\t\t\t\tif ( image.data ) {\n\n\t\t\t\t\treturn {\n\t\t\t\t\t\tdata: getTypedArray( image.type, image.data ),\n\t\t\t\t\t\twidth: image.width,\n\t\t\t\t\t\theight: image.height\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\tconst manager = new LoadingManager( onLoad );\n\n\t\t\tloader = new ImageLoader( manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tfor ( let i = 0, il = json.length; i < il; i ++ ) {\n\n\t\t\t\tconst image = json[ i ];\n\t\t\t\tconst url = image.url;\n\n\t\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\t\t// load array of images e.g CubeTexture\n\n\t\t\t\t\tconst imageArray = [];\n\n\t\t\t\t\tfor ( let j = 0, jl = url.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tconst currentUrl = url[ j ];\n\n\t\t\t\t\t\tconst deserializedImage = deserializeImage( currentUrl );\n\n\t\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\t\tif ( deserializedImage instanceof HTMLImageElement ) {\n\n\t\t\t\t\t\t\t\timageArray.push( deserializedImage );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// special case: handle array of data textures for cube textures\n\n\t\t\t\t\t\t\t\timageArray.push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\timages[ image.uuid ] = new Source( imageArray );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// load single image\n\n\t\t\t\t\tconst deserializedImage = deserializeImage( image.url );\n\t\t\t\t\timages[ image.uuid ] = new Source( deserializedImage );\n\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn images;\n\n\t}\n\n\tasync parseImagesAsync( json ) {\n\n\t\tconst scope = this;\n\t\tconst images = {};\n\n\t\tlet loader;\n\n\t\tasync function deserializeImage( image ) {\n\n\t\t\tif ( typeof image === 'string' ) {\n\n\t\t\t\tconst url = image;\n\n\t\t\t\tconst path = /^(\\/\\/)|([a-z]+:(\\/\\/)?)/i.test( url ) ? url : scope.resourcePath + url;\n\n\t\t\t\treturn await loader.loadAsync( path );\n\n\t\t\t} else {\n\n\t\t\t\tif ( image.data ) {\n\n\t\t\t\t\treturn {\n\t\t\t\t\t\tdata: getTypedArray( image.type, image.data ),\n\t\t\t\t\t\twidth: image.width,\n\t\t\t\t\t\theight: image.height\n\t\t\t\t\t};\n\n\t\t\t\t} else {\n\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( json !== undefined && json.length > 0 ) {\n\n\t\t\tloader = new ImageLoader( this.manager );\n\t\t\tloader.setCrossOrigin( this.crossOrigin );\n\n\t\t\tfor ( let i = 0, il = json.length; i < il; i ++ ) {\n\n\t\t\t\tconst image = json[ i ];\n\t\t\t\tconst url = image.url;\n\n\t\t\t\tif ( Array.isArray( url ) ) {\n\n\t\t\t\t\t// load array of images e.g CubeTexture\n\n\t\t\t\t\tconst imageArray = [];\n\n\t\t\t\t\tfor ( let j = 0, jl = url.length; j < jl; j ++ ) {\n\n\t\t\t\t\t\tconst currentUrl = url[ j ];\n\n\t\t\t\t\t\tconst deserializedImage = await deserializeImage( currentUrl );\n\n\t\t\t\t\t\tif ( deserializedImage !== null ) {\n\n\t\t\t\t\t\t\tif ( deserializedImage instanceof HTMLImageElement ) {\n\n\t\t\t\t\t\t\t\timageArray.push( deserializedImage );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\t// special case: handle array of data textures for cube textures\n\n\t\t\t\t\t\t\t\timageArray.push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\timages[ image.uuid ] = new Source( imageArray );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// load single image\n\n\t\t\t\t\tconst deserializedImage = await deserializeImage( image.url );\n\t\t\t\t\timages[ image.uuid ] = new Source( deserializedImage );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn images;\n\n\t}\n\n\tparseTextures( json, images ) {\n\n\t\tfunction parseConstant( value, type ) {\n\n\t\t\tif ( typeof value === 'number' ) return value;\n\n\t\t\tconsole.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value );\n\n\t\t\treturn type[ value ];\n\n\t\t}\n\n\t\tconst textures = {};\n\n\t\tif ( json !== undefined ) {\n\n\t\t\tfor ( let i = 0, l = json.length; i < l; i ++ ) {\n\n\t\t\t\tconst data = json[ i ];\n\n\t\t\t\tif ( data.image === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: No \"image\" specified for', data.uuid );\n\n\t\t\t\t}\n\n\t\t\t\tif ( images[ data.image ] === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined image', data.image );\n\n\t\t\t\t}\n\n\t\t\t\tconst source = images[ data.image ];\n\t\t\t\tconst image = source.data;\n\n\t\t\t\tlet texture;\n\n\t\t\t\tif ( Array.isArray( image ) ) {\n\n\t\t\t\t\ttexture = new CubeTexture();\n\n\t\t\t\t\tif ( image.length === 6 ) texture.needsUpdate = true;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( image && image.data ) {\n\n\t\t\t\t\t\ttexture = new DataTexture();\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\ttexture = new Texture();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( image ) texture.needsUpdate = true; // textures can have undefined image data\n\n\t\t\t\t}\n\n\t\t\t\ttexture.source = source;\n\n\t\t\t\ttexture.uuid = data.uuid;\n\n\t\t\t\tif ( data.name !== undefined ) texture.name = data.name;\n\n\t\t\t\tif ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TEXTURE_MAPPING );\n\t\t\t\tif ( data.channel !== undefined ) texture.channel = data.channel;\n\n\t\t\t\tif ( data.offset !== undefined ) texture.offset.fromArray( data.offset );\n\t\t\t\tif ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat );\n\t\t\t\tif ( data.center !== undefined ) texture.center.fromArray( data.center );\n\t\t\t\tif ( data.rotation !== undefined ) texture.rotation = data.rotation;\n\n\t\t\t\tif ( data.wrap !== undefined ) {\n\n\t\t\t\t\ttexture.wrapS = parseConstant( data.wrap[ 0 ], TEXTURE_WRAPPING );\n\t\t\t\t\ttexture.wrapT = parseConstant( data.wrap[ 1 ], TEXTURE_WRAPPING );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.format !== undefined ) texture.format = data.format;\n\t\t\t\tif ( data.internalFormat !== undefined ) texture.internalFormat = data.internalFormat;\n\t\t\t\tif ( data.type !== undefined ) texture.type = data.type;\n\t\t\t\tif ( data.colorSpace !== undefined ) texture.colorSpace = data.colorSpace;\n\n\t\t\t\tif ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TEXTURE_FILTER );\n\t\t\t\tif ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TEXTURE_FILTER );\n\t\t\t\tif ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy;\n\n\t\t\t\tif ( data.flipY !== undefined ) texture.flipY = data.flipY;\n\n\t\t\t\tif ( data.generateMipmaps !== undefined ) texture.generateMipmaps = data.generateMipmaps;\n\t\t\t\tif ( data.premultiplyAlpha !== undefined ) texture.premultiplyAlpha = data.premultiplyAlpha;\n\t\t\t\tif ( data.unpackAlignment !== undefined ) texture.unpackAlignment = data.unpackAlignment;\n\t\t\t\tif ( data.compareFunction !== undefined ) texture.compareFunction = data.compareFunction;\n\n\t\t\t\tif ( data.userData !== undefined ) texture.userData = data.userData;\n\n\t\t\t\ttextures[ data.uuid ] = texture;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn textures;\n\n\t}\n\n\tparseObject( data, geometries, materials, textures, animations ) {\n\n\t\tlet object;\n\n\t\tfunction getGeometry( name ) {\n\n\t\t\tif ( geometries[ name ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined geometry', name );\n\n\t\t\t}\n\n\t\t\treturn geometries[ name ];\n\n\t\t}\n\n\t\tfunction getMaterial( name ) {\n\n\t\t\tif ( name === undefined ) return undefined;\n\n\t\t\tif ( Array.isArray( name ) ) {\n\n\t\t\t\tconst array = [];\n\n\t\t\t\tfor ( let i = 0, l = name.length; i < l; i ++ ) {\n\n\t\t\t\t\tconst uuid = name[ i ];\n\n\t\t\t\t\tif ( materials[ uuid ] === undefined ) {\n\n\t\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined material', uuid );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tarray.push( materials[ uuid ] );\n\n\t\t\t\t}\n\n\t\t\t\treturn array;\n\n\t\t\t}\n\n\t\t\tif ( materials[ name ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined material', name );\n\n\t\t\t}\n\n\t\t\treturn materials[ name ];\n\n\t\t}\n\n\t\tfunction getTexture( uuid ) {\n\n\t\t\tif ( textures[ uuid ] === undefined ) {\n\n\t\t\t\tconsole.warn( 'THREE.ObjectLoader: Undefined texture', uuid );\n\n\t\t\t}\n\n\t\t\treturn textures[ uuid ];\n\n\t\t}\n\n\t\tlet geometry, material;\n\n\t\tswitch ( data.type ) {\n\n\t\t\tcase 'Scene':\n\n\t\t\t\tobject = new Scene();\n\n\t\t\t\tif ( data.background !== undefined ) {\n\n\t\t\t\t\tif ( Number.isInteger( data.background ) ) {\n\n\t\t\t\t\t\tobject.background = new Color( data.background );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tobject.background = getTexture( data.background );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.environment !== undefined ) {\n\n\t\t\t\t\tobject.environment = getTexture( data.environment );\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.fog !== undefined ) {\n\n\t\t\t\t\tif ( data.fog.type === 'Fog' ) {\n\n\t\t\t\t\t\tobject.fog = new Fog( data.fog.color, data.fog.near, data.fog.far );\n\n\t\t\t\t\t} else if ( data.fog.type === 'FogExp2' ) {\n\n\t\t\t\t\t\tobject.fog = new FogExp2( data.fog.color, data.fog.density );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( data.fog.name !== '' ) {\n\n\t\t\t\t\t\tobject.fog.name = data.fog.name;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tif ( data.backgroundBlurriness !== undefined ) object.backgroundBlurriness = data.backgroundBlurriness;\n\t\t\t\tif ( data.backgroundIntensity !== undefined ) object.backgroundIntensity = data.backgroundIntensity;\n\t\t\t\tif ( data.backgroundRotation !== undefined ) object.backgroundRotation.fromArray( data.backgroundRotation );\n\n\t\t\t\tif ( data.environmentIntensity !== undefined ) object.environmentIntensity = data.environmentIntensity;\n\t\t\t\tif ( data.environmentRotation !== undefined ) object.environmentRotation.fromArray( data.environmentRotation );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PerspectiveCamera':\n\n\t\t\t\tobject = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far );\n\n\t\t\t\tif ( data.focus !== undefined ) object.focus = data.focus;\n\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\tif ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge;\n\t\t\t\tif ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset;\n\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'OrthographicCamera':\n\n\t\t\t\tobject = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far );\n\n\t\t\t\tif ( data.zoom !== undefined ) object.zoom = data.zoom;\n\t\t\t\tif ( data.view !== undefined ) object.view = Object.assign( {}, data.view );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'AmbientLight':\n\n\t\t\t\tobject = new AmbientLight( data.color, data.intensity );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'DirectionalLight':\n\n\t\t\t\tobject = new DirectionalLight( data.color, data.intensity );\n\t\t\t\tobject.target = data.target || '';\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PointLight':\n\n\t\t\t\tobject = new PointLight( data.color, data.intensity, data.distance, data.decay );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'RectAreaLight':\n\n\t\t\t\tobject = new RectAreaLight( data.color, data.intensity, data.width, data.height );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'SpotLight':\n\n\t\t\t\tobject = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay );\n\t\t\t\tobject.target = data.target || '';\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'HemisphereLight':\n\n\t\t\t\tobject = new HemisphereLight( data.color, data.groundColor, data.intensity );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LightProbe':\n\n\t\t\t\tobject = new LightProbe().fromJSON( data );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'SkinnedMesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t \tmaterial = getMaterial( data.material );\n\n\t\t\t\tobject = new SkinnedMesh( geometry, material );\n\n\t\t\t\tif ( data.bindMode !== undefined ) object.bindMode = data.bindMode;\n\t\t\t\tif ( data.bindMatrix !== undefined ) object.bindMatrix.fromArray( data.bindMatrix );\n\t\t\t\tif ( data.skeleton !== undefined ) object.skeleton = data.skeleton;\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Mesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t\tmaterial = getMaterial( data.material );\n\n\t\t\t\tobject = new Mesh( geometry, material );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'InstancedMesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t\tmaterial = getMaterial( data.material );\n\t\t\t\tconst count = data.count;\n\t\t\t\tconst instanceMatrix = data.instanceMatrix;\n\t\t\t\tconst instanceColor = data.instanceColor;\n\n\t\t\t\tobject = new InstancedMesh( geometry, material, count );\n\t\t\t\tobject.instanceMatrix = new InstancedBufferAttribute( new Float32Array( instanceMatrix.array ), 16 );\n\t\t\t\tif ( instanceColor !== undefined ) object.instanceColor = new InstancedBufferAttribute( new Float32Array( instanceColor.array ), instanceColor.itemSize );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'BatchedMesh':\n\n\t\t\t\tgeometry = getGeometry( data.geometry );\n\t\t\t\tmaterial = getMaterial( data.material );\n\n\t\t\t\tobject = new BatchedMesh( data.maxInstanceCount, data.maxVertexCount, data.maxIndexCount, material );\n\t\t\t\tobject.geometry = geometry;\n\t\t\t\tobject.perObjectFrustumCulled = data.perObjectFrustumCulled;\n\t\t\t\tobject.sortObjects = data.sortObjects;\n\n\t\t\t\tobject._drawRanges = data.drawRanges;\n\t\t\t\tobject._reservedRanges = data.reservedRanges;\n\n\t\t\t\tobject._visibility = data.visibility;\n\t\t\t\tobject._active = data.active;\n\t\t\t\tobject._bounds = data.bounds.map( bound => {\n\n\t\t\t\t\tconst box = new Box3();\n\t\t\t\t\tbox.min.fromArray( bound.boxMin );\n\t\t\t\t\tbox.max.fromArray( bound.boxMax );\n\n\t\t\t\t\tconst sphere = new Sphere();\n\t\t\t\t\tsphere.radius = bound.sphereRadius;\n\t\t\t\t\tsphere.center.fromArray( bound.sphereCenter );\n\n\t\t\t\t\treturn {\n\t\t\t\t\t\tboxInitialized: bound.boxInitialized,\n\t\t\t\t\t\tbox: box,\n\n\t\t\t\t\t\tsphereInitialized: bound.sphereInitialized,\n\t\t\t\t\t\tsphere: sphere\n\t\t\t\t\t};\n\n\t\t\t\t} );\n\n\t\t\t\tobject._maxInstanceCount = data.maxInstanceCount;\n\t\t\t\tobject._maxVertexCount = data.maxVertexCount;\n\t\t\t\tobject._maxIndexCount = data.maxIndexCount;\n\n\t\t\t\tobject._geometryInitialized = data.geometryInitialized;\n\t\t\t\tobject._geometryCount = data.geometryCount;\n\n\t\t\t\tobject._matricesTexture = getTexture( data.matricesTexture.uuid );\n\t\t\t\tif ( data.colorsTexture !== undefined ) object._colorsTexture = getTexture( data.colorsTexture.uuid );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LOD':\n\n\t\t\t\tobject = new LOD();\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Line':\n\n\t\t\t\tobject = new Line( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LineLoop':\n\n\t\t\t\tobject = new LineLoop( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'LineSegments':\n\n\t\t\t\tobject = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'PointCloud':\n\t\t\tcase 'Points':\n\n\t\t\t\tobject = new Points( getGeometry( data.geometry ), getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Sprite':\n\n\t\t\t\tobject = new Sprite( getMaterial( data.material ) );\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Group':\n\n\t\t\t\tobject = new Group();\n\n\t\t\t\tbreak;\n\n\t\t\tcase 'Bone':\n\n\t\t\t\tobject = new Bone();\n\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\n\t\t\t\tobject = new Object3D();\n\n\t\t}\n\n\t\tobject.uuid = data.uuid;\n\n\t\tif ( data.name !== undefined ) object.name = data.name;\n\n\t\tif ( data.matrix !== undefined ) {\n\n\t\t\tobject.matrix.fromArray( data.matrix );\n\n\t\t\tif ( data.matrixAutoUpdate !== undefined ) object.matrixAutoUpdate = data.matrixAutoUpdate;\n\t\t\tif ( object.matrixAutoUpdate ) object.matrix.decompose( object.position, object.quaternion, object.scale );\n\n\t\t} else {\n\n\t\t\tif ( data.position !== undefined ) object.position.fromArray( data.position );\n\t\t\tif ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation );\n\t\t\tif ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion );\n\t\t\tif ( data.scale !== undefined ) object.scale.fromArray( data.scale );\n\n\t\t}\n\n\t\tif ( data.up !== undefined ) object.up.fromArray( data.up );\n\n\t\tif ( data.castShadow !== undefined ) object.castShadow = data.castShadow;\n\t\tif ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow;\n\n\t\tif ( data.shadow ) {\n\n\t\t\tif ( data.shadow.intensity !== undefined ) object.shadow.intensity = data.shadow.intensity;\n\t\t\tif ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias;\n\t\t\tif ( data.shadow.normalBias !== undefined ) object.shadow.normalBias = data.shadow.normalBias;\n\t\t\tif ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius;\n\t\t\tif ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize );\n\t\t\tif ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera );\n\n\t\t}\n\n\t\tif ( data.visible !== undefined ) object.visible = data.visible;\n\t\tif ( data.frustumCulled !== undefined ) object.frustumCulled = data.frustumCulled;\n\t\tif ( data.renderOrder !== undefined ) object.renderOrder = data.renderOrder;\n\t\tif ( data.userData !== undefined ) object.userData = data.userData;\n\t\tif ( data.layers !== undefined ) object.layers.mask = data.layers;\n\n\t\tif ( data.children !== undefined ) {\n\n\t\t\tconst children = data.children;\n\n\t\t\tfor ( let i = 0; i < children.length; i ++ ) {\n\n\t\t\t\tobject.add( this.parseObject( children[ i ], geometries, materials, textures, animations ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( data.animations !== undefined ) {\n\n\t\t\tconst objectAnimations = data.animations;\n\n\t\t\tfor ( let i = 0; i < objectAnimations.length; i ++ ) {\n\n\t\t\t\tconst uuid = objectAnimations[ i ];\n\n\t\t\t\tobject.animations.push( animations[ uuid ] );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( data.type === 'LOD' ) {\n\n\t\t\tif ( data.autoUpdate !== undefined ) object.autoUpdate = data.autoUpdate;\n\n\t\t\tconst levels = data.levels;\n\n\t\t\tfor ( let l = 0; l < levels.length; l ++ ) {\n\n\t\t\t\tconst level = levels[ l ];\n\t\t\t\tconst child = object.getObjectByProperty( 'uuid', level.object );\n\n\t\t\t\tif ( child !== undefined ) {\n\n\t\t\t\t\tobject.addLevel( child, level.distance, level.hysteresis );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn object;\n\n\t}\n\n\tbindSkeletons( object, skeletons ) {\n\n\t\tif ( Object.keys( skeletons ).length === 0 ) return;\n\n\t\tobject.traverse( function ( child ) {\n\n\t\t\tif ( child.isSkinnedMesh === true && child.skeleton !== undefined ) {\n\n\t\t\t\tconst skeleton = skeletons[ child.skeleton ];\n\n\t\t\t\tif ( skeleton === undefined ) {\n\n\t\t\t\t\tconsole.warn( 'THREE.ObjectLoader: No skeleton found with UUID:', child.skeleton );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tchild.bind( skeleton, child.bindMatrix );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} );\n\n\t}\n\n\tbindLightTargets( object ) {\n\n\t\tobject.traverse( function ( child ) {\n\n\t\t\tif ( child.isDirectionalLight || child.isSpotLight ) {\n\n\t\t\t\tconst uuid = child.target;\n\n\t\t\t\tconst target = object.getObjectByProperty( 'uuid', uuid );\n\n\t\t\t\tif ( target !== undefined ) {\n\n\t\t\t\t\tchild.target = target;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tchild.target = new Object3D();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} );\n\n\t}\n\n}\n\nconst TEXTURE_MAPPING = {\n\tUVMapping: UVMapping,\n\tCubeReflectionMapping: CubeReflectionMapping,\n\tCubeRefractionMapping: CubeRefractionMapping,\n\tEquirectangularReflectionMapping: EquirectangularReflectionMapping,\n\tEquirectangularRefractionMapping: EquirectangularRefractionMapping,\n\tCubeUVReflectionMapping: CubeUVReflectionMapping\n};\n\nconst TEXTURE_WRAPPING = {\n\tRepeatWrapping: RepeatWrapping,\n\tClampToEdgeWrapping: ClampToEdgeWrapping,\n\tMirroredRepeatWrapping: MirroredRepeatWrapping\n};\n\nconst TEXTURE_FILTER = {\n\tNearestFilter: NearestFilter,\n\tNearestMipmapNearestFilter: NearestMipmapNearestFilter,\n\tNearestMipmapLinearFilter: NearestMipmapLinearFilter,\n\tLinearFilter: LinearFilter,\n\tLinearMipmapNearestFilter: LinearMipmapNearestFilter,\n\tLinearMipmapLinearFilter: LinearMipmapLinearFilter\n};\n\nclass ImageBitmapLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t\tthis.isImageBitmapLoader = true;\n\n\t\tif ( typeof createImageBitmap === 'undefined' ) {\n\n\t\t\tconsole.warn( 'THREE.ImageBitmapLoader: createImageBitmap() not supported.' );\n\n\t\t}\n\n\t\tif ( typeof fetch === 'undefined' ) {\n\n\t\t\tconsole.warn( 'THREE.ImageBitmapLoader: fetch() not supported.' );\n\n\t\t}\n\n\t\tthis.options = { premultiplyAlpha: 'none' };\n\n\t}\n\n\tsetOptions( options ) {\n\n\t\tthis.options = options;\n\n\t\treturn this;\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tif ( url === undefined ) url = '';\n\n\t\tif ( this.path !== undefined ) url = this.path + url;\n\n\t\turl = this.manager.resolveURL( url );\n\n\t\tconst scope = this;\n\n\t\tconst cached = Cache.get( url );\n\n\t\tif ( cached !== undefined ) {\n\n\t\t\tscope.manager.itemStart( url );\n\n\t\t\t// If cached is a promise, wait for it to resolve\n\t\t\tif ( cached.then ) {\n\n\t\t\t\tcached.then( imageBitmap => {\n\n\t\t\t\t\tif ( onLoad ) onLoad( imageBitmap );\n\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t} ).catch( e => {\n\n\t\t\t\t\tif ( onError ) onError( e );\n\n\t\t\t\t} );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\t// If cached is not a promise (i.e., it's already an imageBitmap)\n\t\t\tsetTimeout( function () {\n\n\t\t\t\tif ( onLoad ) onLoad( cached );\n\n\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t}, 0 );\n\n\t\t\treturn cached;\n\n\t\t}\n\n\t\tconst fetchOptions = {};\n\t\tfetchOptions.credentials = ( this.crossOrigin === 'anonymous' ) ? 'same-origin' : 'include';\n\t\tfetchOptions.headers = this.requestHeader;\n\n\t\tconst promise = fetch( url, fetchOptions ).then( function ( res ) {\n\n\t\t\treturn res.blob();\n\n\t\t} ).then( function ( blob ) {\n\n\t\t\treturn createImageBitmap( blob, Object.assign( scope.options, { colorSpaceConversion: 'none' } ) );\n\n\t\t} ).then( function ( imageBitmap ) {\n\n\t\t\tCache.add( url, imageBitmap );\n\n\t\t\tif ( onLoad ) onLoad( imageBitmap );\n\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t\treturn imageBitmap;\n\n\t\t} ).catch( function ( e ) {\n\n\t\t\tif ( onError ) onError( e );\n\n\t\t\tCache.remove( url );\n\n\t\t\tscope.manager.itemError( url );\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t} );\n\n\t\tCache.add( url, promise );\n\t\tscope.manager.itemStart( url );\n\n\t}\n\n}\n\nlet _context;\n\nclass AudioContext {\n\n\tstatic getContext() {\n\n\t\tif ( _context === undefined ) {\n\n\t\t\t_context = new ( window.AudioContext || window.webkitAudioContext )();\n\n\t\t}\n\n\t\treturn _context;\n\n\t}\n\n\tstatic setContext( value ) {\n\n\t\t_context = value;\n\n\t}\n\n}\n\nclass AudioLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( buffer ) {\n\n\t\t\ttry {\n\n\t\t\t\t// Create a copy of the buffer. The `decodeAudioData` method\n\t\t\t\t// detaches the buffer when complete, preventing reuse.\n\t\t\t\tconst bufferCopy = buffer.slice( 0 );\n\n\t\t\t\tconst context = AudioContext.getContext();\n\t\t\t\tcontext.decodeAudioData( bufferCopy, function ( audioBuffer ) {\n\n\t\t\t\t\tonLoad( audioBuffer );\n\n\t\t\t\t} ).catch( handleError );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\thandleError( e );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t\tfunction handleError( e ) {\n\n\t\t\tif ( onError ) {\n\n\t\t\t\tonError( e );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( e );\n\n\t\t\t}\n\n\t\t\tscope.manager.itemError( url );\n\n\t\t}\n\n\t}\n\n}\n\nconst _eyeRight = /*@__PURE__*/ new Matrix4();\nconst _eyeLeft = /*@__PURE__*/ new Matrix4();\nconst _projectionMatrix = /*@__PURE__*/ new Matrix4();\n\nclass StereoCamera {\n\n\tconstructor() {\n\n\t\tthis.type = 'StereoCamera';\n\n\t\tthis.aspect = 1;\n\n\t\tthis.eyeSep = 0.064;\n\n\t\tthis.cameraL = new PerspectiveCamera();\n\t\tthis.cameraL.layers.enable( 1 );\n\t\tthis.cameraL.matrixAutoUpdate = false;\n\n\t\tthis.cameraR = new PerspectiveCamera();\n\t\tthis.cameraR.layers.enable( 2 );\n\t\tthis.cameraR.matrixAutoUpdate = false;\n\n\t\tthis._cache = {\n\t\t\tfocus: null,\n\t\t\tfov: null,\n\t\t\taspect: null,\n\t\t\tnear: null,\n\t\t\tfar: null,\n\t\t\tzoom: null,\n\t\t\teyeSep: null\n\t\t};\n\n\t}\n\n\tupdate( camera ) {\n\n\t\tconst cache = this._cache;\n\n\t\tconst needsUpdate = cache.focus !== camera.focus || cache.fov !== camera.fov ||\n\t\t\tcache.aspect !== camera.aspect * this.aspect || cache.near !== camera.near ||\n\t\t\tcache.far !== camera.far || cache.zoom !== camera.zoom || cache.eyeSep !== this.eyeSep;\n\n\t\tif ( needsUpdate ) {\n\n\t\t\tcache.focus = camera.focus;\n\t\t\tcache.fov = camera.fov;\n\t\t\tcache.aspect = camera.aspect * this.aspect;\n\t\t\tcache.near = camera.near;\n\t\t\tcache.far = camera.far;\n\t\t\tcache.zoom = camera.zoom;\n\t\t\tcache.eyeSep = this.eyeSep;\n\n\t\t\t// Off-axis stereoscopic effect based on\n\t\t\t// http://paulbourke.net/stereographics/stereorender/\n\n\t\t\t_projectionMatrix.copy( camera.projectionMatrix );\n\t\t\tconst eyeSepHalf = cache.eyeSep / 2;\n\t\t\tconst eyeSepOnProjection = eyeSepHalf * cache.near / cache.focus;\n\t\t\tconst ymax = ( cache.near * Math.tan( DEG2RAD * cache.fov * 0.5 ) ) / cache.zoom;\n\t\t\tlet xmin, xmax;\n\n\t\t\t// translate xOffset\n\n\t\t\t_eyeLeft.elements[ 12 ] = - eyeSepHalf;\n\t\t\t_eyeRight.elements[ 12 ] = eyeSepHalf;\n\n\t\t\t// for left eye\n\n\t\t\txmin = - ymax * cache.aspect + eyeSepOnProjection;\n\t\t\txmax = ymax * cache.aspect + eyeSepOnProjection;\n\n\t\t\t_projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin );\n\t\t\t_projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\tthis.cameraL.projectionMatrix.copy( _projectionMatrix );\n\n\t\t\t// for right eye\n\n\t\t\txmin = - ymax * cache.aspect - eyeSepOnProjection;\n\t\t\txmax = ymax * cache.aspect - eyeSepOnProjection;\n\n\t\t\t_projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin );\n\t\t\t_projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin );\n\n\t\t\tthis.cameraR.projectionMatrix.copy( _projectionMatrix );\n\n\t\t}\n\n\t\tthis.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeLeft );\n\t\tthis.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeRight );\n\n\t}\n\n}\n\nclass ArrayCamera extends PerspectiveCamera {\n\n\tconstructor( array = [] ) {\n\n\t\tsuper();\n\n\t\tthis.isArrayCamera = true;\n\n\t\tthis.cameras = array;\n\t\tthis.index = 0;\n\n\t}\n\n}\n\nclass Clock {\n\n\tconstructor( autoStart = true ) {\n\n\t\tthis.autoStart = autoStart;\n\n\t\tthis.startTime = 0;\n\t\tthis.oldTime = 0;\n\t\tthis.elapsedTime = 0;\n\n\t\tthis.running = false;\n\n\t}\n\n\tstart() {\n\n\t\tthis.startTime = now();\n\n\t\tthis.oldTime = this.startTime;\n\t\tthis.elapsedTime = 0;\n\t\tthis.running = true;\n\n\t}\n\n\tstop() {\n\n\t\tthis.getElapsedTime();\n\t\tthis.running = false;\n\t\tthis.autoStart = false;\n\n\t}\n\n\tgetElapsedTime() {\n\n\t\tthis.getDelta();\n\t\treturn this.elapsedTime;\n\n\t}\n\n\tgetDelta() {\n\n\t\tlet diff = 0;\n\n\t\tif ( this.autoStart && ! this.running ) {\n\n\t\t\tthis.start();\n\t\t\treturn 0;\n\n\t\t}\n\n\t\tif ( this.running ) {\n\n\t\t\tconst newTime = now();\n\n\t\t\tdiff = ( newTime - this.oldTime ) / 1000;\n\t\t\tthis.oldTime = newTime;\n\n\t\t\tthis.elapsedTime += diff;\n\n\t\t}\n\n\t\treturn diff;\n\n\t}\n\n}\n\nfunction now() {\n\n\treturn performance.now();\n\n}\n\nconst _position$1 = /*@__PURE__*/ new Vector3();\nconst _quaternion$1 = /*@__PURE__*/ new Quaternion();\nconst _scale$1 = /*@__PURE__*/ new Vector3();\nconst _orientation$1 = /*@__PURE__*/ new Vector3();\n\nclass AudioListener extends Object3D {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.type = 'AudioListener';\n\n\t\tthis.context = AudioContext.getContext();\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( this.context.destination );\n\n\t\tthis.filter = null;\n\n\t\tthis.timeDelta = 0;\n\n\t\t// private\n\n\t\tthis._clock = new Clock();\n\n\t}\n\n\tgetInput() {\n\n\t\treturn this.gain;\n\n\t}\n\n\tremoveFilter() {\n\n\t\tif ( this.filter !== null ) {\n\n\t\t\tthis.gain.disconnect( this.filter );\n\t\t\tthis.filter.disconnect( this.context.destination );\n\t\t\tthis.gain.connect( this.context.destination );\n\t\t\tthis.filter = null;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetFilter() {\n\n\t\treturn this.filter;\n\n\t}\n\n\tsetFilter( value ) {\n\n\t\tif ( this.filter !== null ) {\n\n\t\t\tthis.gain.disconnect( this.filter );\n\t\t\tthis.filter.disconnect( this.context.destination );\n\n\t\t} else {\n\n\t\t\tthis.gain.disconnect( this.context.destination );\n\n\t\t}\n\n\t\tthis.filter = value;\n\t\tthis.gain.connect( this.filter );\n\t\tthis.filter.connect( this.context.destination );\n\n\t\treturn this;\n\n\t}\n\n\tgetMasterVolume() {\n\n\t\treturn this.gain.gain.value;\n\n\t}\n\n\tsetMasterVolume( value ) {\n\n\t\tthis.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 );\n\n\t\treturn this;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tconst listener = this.context.listener;\n\t\tconst up = this.up;\n\n\t\tthis.timeDelta = this._clock.getDelta();\n\n\t\tthis.matrixWorld.decompose( _position$1, _quaternion$1, _scale$1 );\n\n\t\t_orientation$1.set( 0, 0, - 1 ).applyQuaternion( _quaternion$1 );\n\n\t\tif ( listener.positionX ) {\n\n\t\t\t// code path for Chrome (see #14393)\n\n\t\t\tconst endTime = this.context.currentTime + this.timeDelta;\n\n\t\t\tlistener.positionX.linearRampToValueAtTime( _position$1.x, endTime );\n\t\t\tlistener.positionY.linearRampToValueAtTime( _position$1.y, endTime );\n\t\t\tlistener.positionZ.linearRampToValueAtTime( _position$1.z, endTime );\n\t\t\tlistener.forwardX.linearRampToValueAtTime( _orientation$1.x, endTime );\n\t\t\tlistener.forwardY.linearRampToValueAtTime( _orientation$1.y, endTime );\n\t\t\tlistener.forwardZ.linearRampToValueAtTime( _orientation$1.z, endTime );\n\t\t\tlistener.upX.linearRampToValueAtTime( up.x, endTime );\n\t\t\tlistener.upY.linearRampToValueAtTime( up.y, endTime );\n\t\t\tlistener.upZ.linearRampToValueAtTime( up.z, endTime );\n\n\t\t} else {\n\n\t\t\tlistener.setPosition( _position$1.x, _position$1.y, _position$1.z );\n\t\t\tlistener.setOrientation( _orientation$1.x, _orientation$1.y, _orientation$1.z, up.x, up.y, up.z );\n\n\t\t}\n\n\t}\n\n}\n\nclass Audio extends Object3D {\n\n\tconstructor( listener ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'Audio';\n\n\t\tthis.listener = listener;\n\t\tthis.context = listener.context;\n\n\t\tthis.gain = this.context.createGain();\n\t\tthis.gain.connect( listener.getInput() );\n\n\t\tthis.autoplay = false;\n\n\t\tthis.buffer = null;\n\t\tthis.detune = 0;\n\t\tthis.loop = false;\n\t\tthis.loopStart = 0;\n\t\tthis.loopEnd = 0;\n\t\tthis.offset = 0;\n\t\tthis.duration = undefined;\n\t\tthis.playbackRate = 1;\n\t\tthis.isPlaying = false;\n\t\tthis.hasPlaybackControl = true;\n\t\tthis.source = null;\n\t\tthis.sourceType = 'empty';\n\n\t\tthis._startedAt = 0;\n\t\tthis._progress = 0;\n\t\tthis._connected = false;\n\n\t\tthis.filters = [];\n\n\t}\n\n\tgetOutput() {\n\n\t\treturn this.gain;\n\n\t}\n\n\tsetNodeSource( audioNode ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'audioNode';\n\t\tthis.source = audioNode;\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\tsetMediaElementSource( mediaElement ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'mediaNode';\n\t\tthis.source = this.context.createMediaElementSource( mediaElement );\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\tsetMediaStreamSource( mediaStream ) {\n\n\t\tthis.hasPlaybackControl = false;\n\t\tthis.sourceType = 'mediaStreamNode';\n\t\tthis.source = this.context.createMediaStreamSource( mediaStream );\n\t\tthis.connect();\n\n\t\treturn this;\n\n\t}\n\n\tsetBuffer( audioBuffer ) {\n\n\t\tthis.buffer = audioBuffer;\n\t\tthis.sourceType = 'buffer';\n\n\t\tif ( this.autoplay ) this.play();\n\n\t\treturn this;\n\n\t}\n\n\tplay( delay = 0 ) {\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: Audio is already playing.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis._startedAt = this.context.currentTime + delay;\n\n\t\tconst source = this.context.createBufferSource();\n\t\tsource.buffer = this.buffer;\n\t\tsource.loop = this.loop;\n\t\tsource.loopStart = this.loopStart;\n\t\tsource.loopEnd = this.loopEnd;\n\t\tsource.onended = this.onEnded.bind( this );\n\t\tsource.start( this._startedAt, this._progress + this.offset, this.duration );\n\n\t\tthis.isPlaying = true;\n\n\t\tthis.source = source;\n\n\t\tthis.setDetune( this.detune );\n\t\tthis.setPlaybackRate( this.playbackRate );\n\n\t\treturn this.connect();\n\n\t}\n\n\tpause() {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\t// update current progress\n\n\t\t\tthis._progress += Math.max( this.context.currentTime - this._startedAt, 0 ) * this.playbackRate;\n\n\t\t\tif ( this.loop === true ) {\n\n\t\t\t\t// ensure _progress does not exceed duration with looped audios\n\n\t\t\t\tthis._progress = this._progress % ( this.duration || this.buffer.duration );\n\n\t\t\t}\n\n\t\t\tthis.source.stop();\n\t\t\tthis.source.onended = null;\n\n\t\t\tthis.isPlaying = false;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tstop( delay = 0 ) {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis._progress = 0;\n\n\t\tif ( this.source !== null ) {\n\n\t\t\tthis.source.stop( this.context.currentTime + delay );\n\t\t\tthis.source.onended = null;\n\n\t\t}\n\n\t\tthis.isPlaying = false;\n\n\t\treturn this;\n\n\t}\n\n\tconnect() {\n\n\t\tif ( this.filters.length > 0 ) {\n\n\t\t\tthis.source.connect( this.filters[ 0 ] );\n\n\t\t\tfor ( let i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\tthis.filters[ i - 1 ].connect( this.filters[ i ] );\n\n\t\t\t}\n\n\t\t\tthis.filters[ this.filters.length - 1 ].connect( this.getOutput() );\n\n\t\t} else {\n\n\t\t\tthis.source.connect( this.getOutput() );\n\n\t\t}\n\n\t\tthis._connected = true;\n\n\t\treturn this;\n\n\t}\n\n\tdisconnect() {\n\n\t\tif ( this._connected === false ) {\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( this.filters.length > 0 ) {\n\n\t\t\tthis.source.disconnect( this.filters[ 0 ] );\n\n\t\t\tfor ( let i = 1, l = this.filters.length; i < l; i ++ ) {\n\n\t\t\t\tthis.filters[ i - 1 ].disconnect( this.filters[ i ] );\n\n\t\t\t}\n\n\t\t\tthis.filters[ this.filters.length - 1 ].disconnect( this.getOutput() );\n\n\t\t} else {\n\n\t\t\tthis.source.disconnect( this.getOutput() );\n\n\t\t}\n\n\t\tthis._connected = false;\n\n\t\treturn this;\n\n\t}\n\n\tgetFilters() {\n\n\t\treturn this.filters;\n\n\t}\n\n\tsetFilters( value ) {\n\n\t\tif ( ! value ) value = [];\n\n\t\tif ( this._connected === true ) {\n\n\t\t\tthis.disconnect();\n\t\t\tthis.filters = value.slice();\n\t\t\tthis.connect();\n\n\t\t} else {\n\n\t\t\tthis.filters = value.slice();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetDetune( value ) {\n\n\t\tthis.detune = value;\n\n\t\tif ( this.isPlaying === true && this.source.detune !== undefined ) {\n\n\t\t\tthis.source.detune.setTargetAtTime( this.detune, this.context.currentTime, 0.01 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetDetune() {\n\n\t\treturn this.detune;\n\n\t}\n\n\tgetFilter() {\n\n\t\treturn this.getFilters()[ 0 ];\n\n\t}\n\n\tsetFilter( filter ) {\n\n\t\treturn this.setFilters( filter ? [ filter ] : [] );\n\n\t}\n\n\tsetPlaybackRate( value ) {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis.playbackRate = value;\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tthis.source.playbackRate.setTargetAtTime( this.playbackRate, this.context.currentTime, 0.01 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tgetPlaybackRate() {\n\n\t\treturn this.playbackRate;\n\n\t}\n\n\tonEnded() {\n\n\t\tthis.isPlaying = false;\n\t\tthis._progress = 0;\n\n\t}\n\n\tgetLoop() {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn false;\n\n\t\t}\n\n\t\treturn this.loop;\n\n\t}\n\n\tsetLoop( value ) {\n\n\t\tif ( this.hasPlaybackControl === false ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: this Audio has no playback control.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis.loop = value;\n\n\t\tif ( this.isPlaying === true ) {\n\n\t\t\tthis.source.loop = this.loop;\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetLoopStart( value ) {\n\n\t\tthis.loopStart = value;\n\n\t\treturn this;\n\n\t}\n\n\tsetLoopEnd( value ) {\n\n\t\tthis.loopEnd = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetVolume() {\n\n\t\treturn this.gain.gain.value;\n\n\t}\n\n\tsetVolume( value ) {\n\n\t\tthis.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tif ( source.sourceType !== 'buffer' ) {\n\n\t\t\tconsole.warn( 'THREE.Audio: Audio source type cannot be copied.' );\n\n\t\t\treturn this;\n\n\t\t}\n\n\t\tthis.autoplay = source.autoplay;\n\n\t\tthis.buffer = source.buffer;\n\t\tthis.detune = source.detune;\n\t\tthis.loop = source.loop;\n\t\tthis.loopStart = source.loopStart;\n\t\tthis.loopEnd = source.loopEnd;\n\t\tthis.offset = source.offset;\n\t\tthis.duration = source.duration;\n\t\tthis.playbackRate = source.playbackRate;\n\t\tthis.hasPlaybackControl = source.hasPlaybackControl;\n\t\tthis.sourceType = source.sourceType;\n\n\t\tthis.filters = source.filters.slice();\n\n\t\treturn this;\n\n\t}\n\n\tclone( recursive ) {\n\n\t\treturn new this.constructor( this.listener ).copy( this, recursive );\n\n\t}\n\n}\n\nconst _position = /*@__PURE__*/ new Vector3();\nconst _quaternion = /*@__PURE__*/ new Quaternion();\nconst _scale = /*@__PURE__*/ new Vector3();\nconst _orientation = /*@__PURE__*/ new Vector3();\n\nclass PositionalAudio extends Audio {\n\n\tconstructor( listener ) {\n\n\t\tsuper( listener );\n\n\t\tthis.panner = this.context.createPanner();\n\t\tthis.panner.panningModel = 'HRTF';\n\t\tthis.panner.connect( this.gain );\n\n\t}\n\n\tconnect() {\n\n\t\tsuper.connect();\n\n\t\tthis.panner.connect( this.gain );\n\n\t}\n\n\tdisconnect() {\n\n\t\tsuper.disconnect();\n\n\t\tthis.panner.disconnect( this.gain );\n\n\t}\n\n\tgetOutput() {\n\n\t\treturn this.panner;\n\n\t}\n\n\tgetRefDistance() {\n\n\t\treturn this.panner.refDistance;\n\n\t}\n\n\tsetRefDistance( value ) {\n\n\t\tthis.panner.refDistance = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetRolloffFactor() {\n\n\t\treturn this.panner.rolloffFactor;\n\n\t}\n\n\tsetRolloffFactor( value ) {\n\n\t\tthis.panner.rolloffFactor = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetDistanceModel() {\n\n\t\treturn this.panner.distanceModel;\n\n\t}\n\n\tsetDistanceModel( value ) {\n\n\t\tthis.panner.distanceModel = value;\n\n\t\treturn this;\n\n\t}\n\n\tgetMaxDistance() {\n\n\t\treturn this.panner.maxDistance;\n\n\t}\n\n\tsetMaxDistance( value ) {\n\n\t\tthis.panner.maxDistance = value;\n\n\t\treturn this;\n\n\t}\n\n\tsetDirectionalCone( coneInnerAngle, coneOuterAngle, coneOuterGain ) {\n\n\t\tthis.panner.coneInnerAngle = coneInnerAngle;\n\t\tthis.panner.coneOuterAngle = coneOuterAngle;\n\t\tthis.panner.coneOuterGain = coneOuterGain;\n\n\t\treturn this;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t\tif ( this.hasPlaybackControl === true && this.isPlaying === false ) return;\n\n\t\tthis.matrixWorld.decompose( _position, _quaternion, _scale );\n\n\t\t_orientation.set( 0, 0, 1 ).applyQuaternion( _quaternion );\n\n\t\tconst panner = this.panner;\n\n\t\tif ( panner.positionX ) {\n\n\t\t\t// code path for Chrome and Firefox (see #14393)\n\n\t\t\tconst endTime = this.context.currentTime + this.listener.timeDelta;\n\n\t\t\tpanner.positionX.linearRampToValueAtTime( _position.x, endTime );\n\t\t\tpanner.positionY.linearRampToValueAtTime( _position.y, endTime );\n\t\t\tpanner.positionZ.linearRampToValueAtTime( _position.z, endTime );\n\t\t\tpanner.orientationX.linearRampToValueAtTime( _orientation.x, endTime );\n\t\t\tpanner.orientationY.linearRampToValueAtTime( _orientation.y, endTime );\n\t\t\tpanner.orientationZ.linearRampToValueAtTime( _orientation.z, endTime );\n\n\t\t} else {\n\n\t\t\tpanner.setPosition( _position.x, _position.y, _position.z );\n\t\t\tpanner.setOrientation( _orientation.x, _orientation.y, _orientation.z );\n\n\t\t}\n\n\t}\n\n}\n\nclass AudioAnalyser {\n\n\tconstructor( audio, fftSize = 2048 ) {\n\n\t\tthis.analyser = audio.context.createAnalyser();\n\t\tthis.analyser.fftSize = fftSize;\n\n\t\tthis.data = new Uint8Array( this.analyser.frequencyBinCount );\n\n\t\taudio.getOutput().connect( this.analyser );\n\n\t}\n\n\n\tgetFrequencyData() {\n\n\t\tthis.analyser.getByteFrequencyData( this.data );\n\n\t\treturn this.data;\n\n\t}\n\n\tgetAverageFrequency() {\n\n\t\tlet value = 0;\n\t\tconst data = this.getFrequencyData();\n\n\t\tfor ( let i = 0; i < data.length; i ++ ) {\n\n\t\t\tvalue += data[ i ];\n\n\t\t}\n\n\t\treturn value / data.length;\n\n\t}\n\n}\n\nclass PropertyMixer {\n\n\tconstructor( binding, typeName, valueSize ) {\n\n\t\tthis.binding = binding;\n\t\tthis.valueSize = valueSize;\n\n\t\tlet mixFunction,\n\t\t\tmixFunctionAdditive,\n\t\t\tsetIdentity;\n\n\t\t// buffer layout: [ incoming | accu0 | accu1 | orig | addAccu | (optional work) ]\n\t\t//\n\t\t// interpolators can use .buffer as their .result\n\t\t// the data then goes to 'incoming'\n\t\t//\n\t\t// 'accu0' and 'accu1' are used frame-interleaved for\n\t\t// the cumulative result and are compared to detect\n\t\t// changes\n\t\t//\n\t\t// 'orig' stores the original state of the property\n\t\t//\n\t\t// 'add' is used for additive cumulative results\n\t\t//\n\t\t// 'work' is optional and is only present for quaternion types. It is used\n\t\t// to store intermediate quaternion multiplication results\n\n\t\tswitch ( typeName ) {\n\n\t\t\tcase 'quaternion':\n\t\t\t\tmixFunction = this._slerp;\n\t\t\t\tmixFunctionAdditive = this._slerpAdditive;\n\t\t\t\tsetIdentity = this._setAdditiveIdentityQuaternion;\n\n\t\t\t\tthis.buffer = new Float64Array( valueSize * 6 );\n\t\t\t\tthis._workIndex = 5;\n\t\t\t\tbreak;\n\n\t\t\tcase 'string':\n\t\t\tcase 'bool':\n\t\t\t\tmixFunction = this._select;\n\n\t\t\t\t// Use the regular mix function and for additive on these types,\n\t\t\t\t// additive is not relevant for non-numeric types\n\t\t\t\tmixFunctionAdditive = this._select;\n\n\t\t\t\tsetIdentity = this._setAdditiveIdentityOther;\n\n\t\t\t\tthis.buffer = new Array( valueSize * 5 );\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tmixFunction = this._lerp;\n\t\t\t\tmixFunctionAdditive = this._lerpAdditive;\n\t\t\t\tsetIdentity = this._setAdditiveIdentityNumeric;\n\n\t\t\t\tthis.buffer = new Float64Array( valueSize * 5 );\n\n\t\t}\n\n\t\tthis._mixBufferRegion = mixFunction;\n\t\tthis._mixBufferRegionAdditive = mixFunctionAdditive;\n\t\tthis._setIdentity = setIdentity;\n\t\tthis._origIndex = 3;\n\t\tthis._addIndex = 4;\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t\tthis.useCount = 0;\n\t\tthis.referenceCount = 0;\n\n\t}\n\n\t// accumulate data in the 'incoming' region into 'accu'\n\taccumulate( accuIndex, weight ) {\n\n\t\t// note: happily accumulating nothing when weight = 0, the caller knows\n\t\t// the weight and shouldn't have made the call in the first place\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = accuIndex * stride + stride;\n\n\t\tlet currentWeight = this.cumulativeWeight;\n\n\t\tif ( currentWeight === 0 ) {\n\n\t\t\t// accuN := incoming * weight\n\n\t\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tbuffer[ offset + i ] = buffer[ i ];\n\n\t\t\t}\n\n\t\t\tcurrentWeight = weight;\n\n\t\t} else {\n\n\t\t\t// accuN := accuN + incoming * weight\n\n\t\t\tcurrentWeight += weight;\n\t\t\tconst mix = weight / currentWeight;\n\t\t\tthis._mixBufferRegion( buffer, offset, 0, mix, stride );\n\n\t\t}\n\n\t\tthis.cumulativeWeight = currentWeight;\n\n\t}\n\n\t// accumulate data in the 'incoming' region into 'add'\n\taccumulateAdditive( weight ) {\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\t\t\toffset = stride * this._addIndex;\n\n\t\tif ( this.cumulativeWeightAdditive === 0 ) {\n\n\t\t\t// add = identity\n\n\t\t\tthis._setIdentity();\n\n\t\t}\n\n\t\t// add := add + incoming * weight\n\n\t\tthis._mixBufferRegionAdditive( buffer, offset, 0, weight, stride );\n\t\tthis.cumulativeWeightAdditive += weight;\n\n\t}\n\n\t// apply the state of 'accu' to the binding when accus differ\n\tapply( accuIndex ) {\n\n\t\tconst stride = this.valueSize,\n\t\t\tbuffer = this.buffer,\n\t\t\toffset = accuIndex * stride + stride,\n\n\t\t\tweight = this.cumulativeWeight,\n\t\t\tweightAdditive = this.cumulativeWeightAdditive,\n\n\t\t\tbinding = this.binding;\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t\tif ( weight < 1 ) {\n\n\t\t\t// accuN := accuN + original * ( 1 - cumulativeWeight )\n\n\t\t\tconst originalValueOffset = stride * this._origIndex;\n\n\t\t\tthis._mixBufferRegion(\n\t\t\t\tbuffer, offset, originalValueOffset, 1 - weight, stride );\n\n\t\t}\n\n\t\tif ( weightAdditive > 0 ) {\n\n\t\t\t// accuN := accuN + additive accuN\n\n\t\t\tthis._mixBufferRegionAdditive( buffer, offset, this._addIndex * stride, 1, stride );\n\n\t\t}\n\n\t\tfor ( let i = stride, e = stride + stride; i !== e; ++ i ) {\n\n\t\t\tif ( buffer[ i ] !== buffer[ i + stride ] ) {\n\n\t\t\t\t// value has changed -> update scene graph\n\n\t\t\t\tbinding.setValue( buffer, offset );\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// remember the state of the bound property and copy it to both accus\n\tsaveOriginalState() {\n\n\t\tconst binding = this.binding;\n\n\t\tconst buffer = this.buffer,\n\t\t\tstride = this.valueSize,\n\n\t\t\toriginalValueOffset = stride * this._origIndex;\n\n\t\tbinding.getValue( buffer, originalValueOffset );\n\n\t\t// accu[0..1] := orig -- initially detect changes against the original\n\t\tfor ( let i = stride, e = originalValueOffset; i !== e; ++ i ) {\n\n\t\t\tbuffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ];\n\n\t\t}\n\n\t\t// Add to identity for additive\n\t\tthis._setIdentity();\n\n\t\tthis.cumulativeWeight = 0;\n\t\tthis.cumulativeWeightAdditive = 0;\n\n\t}\n\n\t// apply the state previously taken via 'saveOriginalState' to the binding\n\trestoreOriginalState() {\n\n\t\tconst originalValueOffset = this.valueSize * 3;\n\t\tthis.binding.setValue( this.buffer, originalValueOffset );\n\n\t}\n\n\t_setAdditiveIdentityNumeric() {\n\n\t\tconst startIndex = this._addIndex * this.valueSize;\n\t\tconst endIndex = startIndex + this.valueSize;\n\n\t\tfor ( let i = startIndex; i < endIndex; i ++ ) {\n\n\t\t\tthis.buffer[ i ] = 0;\n\n\t\t}\n\n\t}\n\n\t_setAdditiveIdentityQuaternion() {\n\n\t\tthis._setAdditiveIdentityNumeric();\n\t\tthis.buffer[ this._addIndex * this.valueSize + 3 ] = 1;\n\n\t}\n\n\t_setAdditiveIdentityOther() {\n\n\t\tconst startIndex = this._origIndex * this.valueSize;\n\t\tconst targetIndex = this._addIndex * this.valueSize;\n\n\t\tfor ( let i = 0; i < this.valueSize; i ++ ) {\n\n\t\t\tthis.buffer[ targetIndex + i ] = this.buffer[ startIndex + i ];\n\n\t\t}\n\n\t}\n\n\n\t// mix functions\n\n\t_select( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tif ( t >= 0.5 ) {\n\n\t\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\t\tbuffer[ dstOffset + i ] = buffer[ srcOffset + i ];\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_slerp( buffer, dstOffset, srcOffset, t ) {\n\n\t\tQuaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, srcOffset, t );\n\n\t}\n\n\t_slerpAdditive( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tconst workOffset = this._workIndex * stride;\n\n\t\t// Store result in intermediate buffer offset\n\t\tQuaternion.multiplyQuaternionsFlat( buffer, workOffset, buffer, dstOffset, buffer, srcOffset );\n\n\t\t// Slerp to the intermediate result\n\t\tQuaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, workOffset, t );\n\n\t}\n\n\t_lerp( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tconst s = 1 - t;\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tconst j = dstOffset + i;\n\n\t\t\tbuffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t;\n\n\t\t}\n\n\t}\n\n\t_lerpAdditive( buffer, dstOffset, srcOffset, t, stride ) {\n\n\t\tfor ( let i = 0; i !== stride; ++ i ) {\n\n\t\t\tconst j = dstOffset + i;\n\n\t\t\tbuffer[ j ] = buffer[ j ] + buffer[ srcOffset + i ] * t;\n\n\t\t}\n\n\t}\n\n}\n\n// Characters [].:/ are reserved for track binding syntax.\nconst _RESERVED_CHARS_RE = '\\\\[\\\\]\\\\.:\\\\/';\nconst _reservedRe = new RegExp( '[' + _RESERVED_CHARS_RE + ']', 'g' );\n\n// Attempts to allow node names from any language. ES5's `\\w` regexp matches\n// only latin characters, and the unicode \\p{L} is not yet supported. So\n// instead, we exclude reserved characters and match everything else.\nconst _wordChar = '[^' + _RESERVED_CHARS_RE + ']';\nconst _wordCharOrDot = '[^' + _RESERVED_CHARS_RE.replace( '\\\\.', '' ) + ']';\n\n// Parent directories, delimited by '/' or ':'. Currently unused, but must\n// be matched to parse the rest of the track name.\nconst _directoryRe = /*@__PURE__*/ /((?:WC+[\\/:])*)/.source.replace( 'WC', _wordChar );\n\n// Target node. May contain word characters (a-zA-Z0-9_) and '.' or '-'.\nconst _nodeRe = /*@__PURE__*/ /(WCOD+)?/.source.replace( 'WCOD', _wordCharOrDot );\n\n// Object on target node, and accessor. May not contain reserved\n// characters. Accessor may contain any character except closing bracket.\nconst _objectRe = /*@__PURE__*/ /(?:\\.(WC+)(?:\\[(.+)\\])?)?/.source.replace( 'WC', _wordChar );\n\n// Property and accessor. May not contain reserved characters. Accessor may\n// contain any non-bracket characters.\nconst _propertyRe = /*@__PURE__*/ /\\.(WC+)(?:\\[(.+)\\])?/.source.replace( 'WC', _wordChar );\n\nconst _trackRe = new RegExp( ''\n\t+ '^'\n\t+ _directoryRe\n\t+ _nodeRe\n\t+ _objectRe\n\t+ _propertyRe\n\t+ '$'\n);\n\nconst _supportedObjectNames = [ 'material', 'materials', 'bones', 'map' ];\n\nclass Composite {\n\n\tconstructor( targetGroup, path, optionalParsedPath ) {\n\n\t\tconst parsedPath = optionalParsedPath || PropertyBinding.parseTrackName( path );\n\n\t\tthis._targetGroup = targetGroup;\n\t\tthis._bindings = targetGroup.subscribe_( path, parsedPath );\n\n\t}\n\n\tgetValue( array, offset ) {\n\n\t\tthis.bind(); // bind all binding\n\n\t\tconst firstValidIndex = this._targetGroup.nCachedObjects_,\n\t\t\tbinding = this._bindings[ firstValidIndex ];\n\n\t\t// and only call .getValue on the first\n\t\tif ( binding !== undefined ) binding.getValue( array, offset );\n\n\t}\n\n\tsetValue( array, offset ) {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].setValue( array, offset );\n\n\t\t}\n\n\t}\n\n\tbind() {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].bind();\n\n\t\t}\n\n\t}\n\n\tunbind() {\n\n\t\tconst bindings = this._bindings;\n\n\t\tfor ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tbindings[ i ].unbind();\n\n\t\t}\n\n\t}\n\n}\n\n// Note: This class uses a State pattern on a per-method basis:\n// 'bind' sets 'this.getValue' / 'setValue' and shadows the\n// prototype version of these methods with one that represents\n// the bound state. When the property is not found, the methods\n// become no-ops.\nclass PropertyBinding {\n\n\tconstructor( rootNode, path, parsedPath ) {\n\n\t\tthis.path = path;\n\t\tthis.parsedPath = parsedPath || PropertyBinding.parseTrackName( path );\n\n\t\tthis.node = PropertyBinding.findNode( rootNode, this.parsedPath.nodeName );\n\n\t\tthis.rootNode = rootNode;\n\n\t\t// initial state of these methods that calls 'bind'\n\t\tthis.getValue = this._getValue_unbound;\n\t\tthis.setValue = this._setValue_unbound;\n\n\t}\n\n\n\tstatic create( root, path, parsedPath ) {\n\n\t\tif ( ! ( root && root.isAnimationObjectGroup ) ) {\n\n\t\t\treturn new PropertyBinding( root, path, parsedPath );\n\n\t\t} else {\n\n\t\t\treturn new PropertyBinding.Composite( root, path, parsedPath );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Replaces spaces with underscores and removes unsupported characters from\n\t * node names, to ensure compatibility with parseTrackName().\n\t *\n\t * @param {string} name Node name to be sanitized.\n\t * @return {string}\n\t */\n\tstatic sanitizeNodeName( name ) {\n\n\t\treturn name.replace( /\\s/g, '_' ).replace( _reservedRe, '' );\n\n\t}\n\n\tstatic parseTrackName( trackName ) {\n\n\t\tconst matches = _trackRe.exec( trackName );\n\n\t\tif ( matches === null ) {\n\n\t\t\tthrow new Error( 'PropertyBinding: Cannot parse trackName: ' + trackName );\n\n\t\t}\n\n\t\tconst results = {\n\t\t\t// directoryName: matches[ 1 ], // (tschw) currently unused\n\t\t\tnodeName: matches[ 2 ],\n\t\t\tobjectName: matches[ 3 ],\n\t\t\tobjectIndex: matches[ 4 ],\n\t\t\tpropertyName: matches[ 5 ], // required\n\t\t\tpropertyIndex: matches[ 6 ]\n\t\t};\n\n\t\tconst lastDot = results.nodeName && results.nodeName.lastIndexOf( '.' );\n\n\t\tif ( lastDot !== undefined && lastDot !== - 1 ) {\n\n\t\t\tconst objectName = results.nodeName.substring( lastDot + 1 );\n\n\t\t\t// Object names must be checked against an allowlist. Otherwise, there\n\t\t\t// is no way to parse 'foo.bar.baz': 'baz' must be a property, but\n\t\t\t// 'bar' could be the objectName, or part of a nodeName (which can\n\t\t\t// include '.' characters).\n\t\t\tif ( _supportedObjectNames.indexOf( objectName ) !== - 1 ) {\n\n\t\t\t\tresults.nodeName = results.nodeName.substring( 0, lastDot );\n\t\t\t\tresults.objectName = objectName;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( results.propertyName === null || results.propertyName.length === 0 ) {\n\n\t\t\tthrow new Error( 'PropertyBinding: can not parse propertyName from trackName: ' + trackName );\n\n\t\t}\n\n\t\treturn results;\n\n\t}\n\n\tstatic findNode( root, nodeName ) {\n\n\t\tif ( nodeName === undefined || nodeName === '' || nodeName === '.' || nodeName === - 1 || nodeName === root.name || nodeName === root.uuid ) {\n\n\t\t\treturn root;\n\n\t\t}\n\n\t\t// search into skeleton bones.\n\t\tif ( root.skeleton ) {\n\n\t\t\tconst bone = root.skeleton.getBoneByName( nodeName );\n\n\t\t\tif ( bone !== undefined ) {\n\n\t\t\t\treturn bone;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// search into node subtree.\n\t\tif ( root.children ) {\n\n\t\t\tconst searchNodeSubtree = function ( children ) {\n\n\t\t\t\tfor ( let i = 0; i < children.length; i ++ ) {\n\n\t\t\t\t\tconst childNode = children[ i ];\n\n\t\t\t\t\tif ( childNode.name === nodeName || childNode.uuid === nodeName ) {\n\n\t\t\t\t\t\treturn childNode;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst result = searchNodeSubtree( childNode.children );\n\n\t\t\t\t\tif ( result ) return result;\n\n\t\t\t\t}\n\n\t\t\t\treturn null;\n\n\t\t\t};\n\n\t\t\tconst subTreeNode = searchNodeSubtree( root.children );\n\n\t\t\tif ( subTreeNode ) {\n\n\t\t\t\treturn subTreeNode;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\t// these are used to \"bind\" a nonexistent property\n\t_getValue_unavailable() {}\n\t_setValue_unavailable() {}\n\n\t// Getters\n\n\t_getValue_direct( buffer, offset ) {\n\n\t\tbuffer[ offset ] = this.targetObject[ this.propertyName ];\n\n\t}\n\n\t_getValue_array( buffer, offset ) {\n\n\t\tconst source = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = source.length; i !== n; ++ i ) {\n\n\t\t\tbuffer[ offset ++ ] = source[ i ];\n\n\t\t}\n\n\t}\n\n\t_getValue_arrayElement( buffer, offset ) {\n\n\t\tbuffer[ offset ] = this.resolvedProperty[ this.propertyIndex ];\n\n\t}\n\n\t_getValue_toArray( buffer, offset ) {\n\n\t\tthis.resolvedProperty.toArray( buffer, offset );\n\n\t}\n\n\t// Direct\n\n\t_setValue_direct( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\n\t}\n\n\t_setValue_direct_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.targetObject[ this.propertyName ] = buffer[ offset ];\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// EntireArray\n\n\t_setValue_array( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t}\n\n\t_setValue_array_setNeedsUpdate( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tconst dest = this.resolvedProperty;\n\n\t\tfor ( let i = 0, n = dest.length; i !== n; ++ i ) {\n\n\t\t\tdest[ i ] = buffer[ offset ++ ];\n\n\t\t}\n\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// ArrayElement\n\n\t_setValue_arrayElement( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\n\t}\n\n\t_setValue_arrayElement_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty[ this.propertyIndex ] = buffer[ offset ];\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t// HasToFromArray\n\n\t_setValue_fromArray( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\n\t}\n\n\t_setValue_fromArray_setNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\tthis.targetObject.needsUpdate = true;\n\n\t}\n\n\t_setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) {\n\n\t\tthis.resolvedProperty.fromArray( buffer, offset );\n\t\tthis.targetObject.matrixWorldNeedsUpdate = true;\n\n\t}\n\n\t_getValue_unbound( targetArray, offset ) {\n\n\t\tthis.bind();\n\t\tthis.getValue( targetArray, offset );\n\n\t}\n\n\t_setValue_unbound( sourceArray, offset ) {\n\n\t\tthis.bind();\n\t\tthis.setValue( sourceArray, offset );\n\n\t}\n\n\t// create getter / setter pair for a property in the scene graph\n\tbind() {\n\n\t\tlet targetObject = this.node;\n\t\tconst parsedPath = this.parsedPath;\n\n\t\tconst objectName = parsedPath.objectName;\n\t\tconst propertyName = parsedPath.propertyName;\n\t\tlet propertyIndex = parsedPath.propertyIndex;\n\n\t\tif ( ! targetObject ) {\n\n\t\t\ttargetObject = PropertyBinding.findNode( this.rootNode, parsedPath.nodeName );\n\n\t\t\tthis.node = targetObject;\n\n\t\t}\n\n\t\t// set fail state so we can just 'return' on error\n\t\tthis.getValue = this._getValue_unavailable;\n\t\tthis.setValue = this._setValue_unavailable;\n\n\t\t// ensure there is a value node\n\t\tif ( ! targetObject ) {\n\n\t\t\tconsole.warn( 'THREE.PropertyBinding: No target node found for track: ' + this.path + '.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( objectName ) {\n\n\t\t\tlet objectIndex = parsedPath.objectIndex;\n\n\t\t\t// special cases were we need to reach deeper into the hierarchy to get the face materials....\n\t\t\tswitch ( objectName ) {\n\n\t\t\t\tcase 'materials':\n\n\t\t\t\t\tif ( ! targetObject.material ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to material as node does not have a material.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! targetObject.material.materials ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject.material.materials;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'bones':\n\n\t\t\t\t\tif ( ! targetObject.skeleton ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// potential future optimization: skip this if propertyIndex is already an integer\n\t\t\t\t\t// and convert the integer string to a true integer.\n\n\t\t\t\t\ttargetObject = targetObject.skeleton.bones;\n\n\t\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\t\tfor ( let i = 0; i < targetObject.length; i ++ ) {\n\n\t\t\t\t\t\tif ( targetObject[ i ].name === objectIndex ) {\n\n\t\t\t\t\t\t\tobjectIndex = i;\n\t\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'map':\n\n\t\t\t\t\tif ( 'map' in targetObject ) {\n\n\t\t\t\t\t\ttargetObject = targetObject.map;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! targetObject.material ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to material as node does not have a material.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ! targetObject.material.map ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to material.map as node.material does not have a map.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject.material.map;\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tif ( targetObject[ objectName ] === undefined ) {\n\n\t\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to objectName of node undefined.', this );\n\t\t\t\t\t\treturn;\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttargetObject = targetObject[ objectName ];\n\n\t\t\t}\n\n\n\t\t\tif ( objectIndex !== undefined ) {\n\n\t\t\t\tif ( targetObject[ objectIndex ] === undefined ) {\n\n\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.', this, targetObject );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\ttargetObject = targetObject[ objectIndex ];\n\n\t\t\t}\n\n\t\t}\n\n\t\t// resolve property\n\t\tconst nodeProperty = targetObject[ propertyName ];\n\n\t\tif ( nodeProperty === undefined ) {\n\n\t\t\tconst nodeName = parsedPath.nodeName;\n\n\t\t\tconsole.error( 'THREE.PropertyBinding: Trying to update property for track: ' + nodeName +\n\t\t\t\t'.' + propertyName + ' but it wasn\\'t found.', targetObject );\n\t\t\treturn;\n\n\t\t}\n\n\t\t// determine versioning scheme\n\t\tlet versioning = this.Versioning.None;\n\n\t\tthis.targetObject = targetObject;\n\n\t\tif ( targetObject.isMaterial === true ) {\n\n\t\t\tversioning = this.Versioning.NeedsUpdate;\n\n\t\t} else if ( targetObject.isObject3D === true ) {\n\n\t\t\tversioning = this.Versioning.MatrixWorldNeedsUpdate;\n\n\t\t}\n\n\t\t// determine how the property gets bound\n\t\tlet bindingType = this.BindingType.Direct;\n\n\t\tif ( propertyIndex !== undefined ) {\n\n\t\t\t// access a sub element of the property array (only primitives are supported right now)\n\n\t\t\tif ( propertyName === 'morphTargetInfluences' ) {\n\n\t\t\t\t// potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer.\n\n\t\t\t\t// support resolving morphTarget names into indices.\n\t\t\t\tif ( ! targetObject.geometry ) {\n\n\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.', this );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tif ( ! targetObject.geometry.morphAttributes ) {\n\n\t\t\t\t\tconsole.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.', this );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tif ( targetObject.morphTargetDictionary[ propertyIndex ] !== undefined ) {\n\n\t\t\t\t\tpropertyIndex = targetObject.morphTargetDictionary[ propertyIndex ];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tbindingType = this.BindingType.ArrayElement;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\t\t\tthis.propertyIndex = propertyIndex;\n\n\t\t} else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) {\n\n\t\t\t// must use copy for Object3D.Euler/Quaternion\n\n\t\t\tbindingType = this.BindingType.HasFromToArray;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t} else if ( Array.isArray( nodeProperty ) ) {\n\n\t\t\tbindingType = this.BindingType.EntireArray;\n\n\t\t\tthis.resolvedProperty = nodeProperty;\n\n\t\t} else {\n\n\t\t\tthis.propertyName = propertyName;\n\n\t\t}\n\n\t\t// select getter / setter\n\t\tthis.getValue = this.GetterByBindingType[ bindingType ];\n\t\tthis.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ];\n\n\t}\n\n\tunbind() {\n\n\t\tthis.node = null;\n\n\t\t// back to the prototype version of getValue / setValue\n\t\t// note: avoiding to mutate the shape of 'this' via 'delete'\n\t\tthis.getValue = this._getValue_unbound;\n\t\tthis.setValue = this._setValue_unbound;\n\n\t}\n\n}\n\nPropertyBinding.Composite = Composite;\n\nPropertyBinding.prototype.BindingType = {\n\tDirect: 0,\n\tEntireArray: 1,\n\tArrayElement: 2,\n\tHasFromToArray: 3\n};\n\nPropertyBinding.prototype.Versioning = {\n\tNone: 0,\n\tNeedsUpdate: 1,\n\tMatrixWorldNeedsUpdate: 2\n};\n\nPropertyBinding.prototype.GetterByBindingType = [\n\n\tPropertyBinding.prototype._getValue_direct,\n\tPropertyBinding.prototype._getValue_array,\n\tPropertyBinding.prototype._getValue_arrayElement,\n\tPropertyBinding.prototype._getValue_toArray,\n\n];\n\nPropertyBinding.prototype.SetterByBindingTypeAndVersioning = [\n\n\t[\n\t\t// Direct\n\t\tPropertyBinding.prototype._setValue_direct,\n\t\tPropertyBinding.prototype._setValue_direct_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_direct_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// EntireArray\n\n\t\tPropertyBinding.prototype._setValue_array,\n\t\tPropertyBinding.prototype._setValue_array_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_array_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// ArrayElement\n\t\tPropertyBinding.prototype._setValue_arrayElement,\n\t\tPropertyBinding.prototype._setValue_arrayElement_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate,\n\n\t], [\n\n\t\t// HasToFromArray\n\t\tPropertyBinding.prototype._setValue_fromArray,\n\t\tPropertyBinding.prototype._setValue_fromArray_setNeedsUpdate,\n\t\tPropertyBinding.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate,\n\n\t]\n\n];\n\n/**\n *\n * A group of objects that receives a shared animation state.\n *\n * Usage:\n *\n * - Add objects you would otherwise pass as 'root' to the\n * constructor or the .clipAction method of AnimationMixer.\n *\n * - Instead pass this object as 'root'.\n *\n * - You can also add and remove objects later when the mixer\n * is running.\n *\n * Note:\n *\n * Objects of this class appear as one object to the mixer,\n * so cache control of the individual objects must be done\n * on the group.\n *\n * Limitation:\n *\n * - The animated properties must be compatible among the\n * all objects in the group.\n *\n * - A single property can either be controlled through a\n * target group or directly, but not both.\n */\n\nclass AnimationObjectGroup {\n\n\tconstructor() {\n\n\t\tthis.isAnimationObjectGroup = true;\n\n\t\tthis.uuid = generateUUID();\n\n\t\t// cached objects followed by the active ones\n\t\tthis._objects = Array.prototype.slice.call( arguments );\n\n\t\tthis.nCachedObjects_ = 0; // threshold\n\t\t// note: read by PropertyBinding.Composite\n\n\t\tconst indices = {};\n\t\tthis._indicesByUUID = indices; // for bookkeeping\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tindices[ arguments[ i ].uuid ] = i;\n\n\t\t}\n\n\t\tthis._paths = []; // inside: string\n\t\tthis._parsedPaths = []; // inside: { we don't care, here }\n\t\tthis._bindings = []; // inside: Array< PropertyBinding >\n\t\tthis._bindingsIndicesByPath = {}; // inside: indices in these arrays\n\n\t\tconst scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tobjects: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._objects.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn this.total - scope.nCachedObjects_;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tget bindingsPerObject() {\n\n\t\t\t\treturn scope._bindings.length;\n\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\tadd() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tpaths = this._paths,\n\t\t\tparsedPaths = this._parsedPaths,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet knownObject = undefined,\n\t\t\tnObjects = objects.length,\n\t\t\tnCachedObjects = this.nCachedObjects_;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid;\n\t\t\tlet index = indicesByUUID[ uuid ];\n\n\t\t\tif ( index === undefined ) {\n\n\t\t\t\t// unknown object -> add it to the ACTIVE region\n\n\t\t\t\tindex = nObjects ++;\n\t\t\t\tindicesByUUID[ uuid ] = index;\n\t\t\t\tobjects.push( object );\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tbindings[ j ].push( new PropertyBinding( object, paths[ j ], parsedPaths[ j ] ) );\n\n\t\t\t\t}\n\n\t\t\t} else if ( index < nCachedObjects ) {\n\n\t\t\t\tknownObject = objects[ index ];\n\n\t\t\t\t// move existing object to the ACTIVE region\n\n\t\t\t\tconst firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ];\n\n\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\tindicesByUUID[ uuid ] = firstActiveIndex;\n\t\t\t\tobjects[ firstActiveIndex ] = object;\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ];\n\n\t\t\t\t\tlet binding = bindingsForPath[ index ];\n\n\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\n\t\t\t\t\tif ( binding === undefined ) {\n\n\t\t\t\t\t\t// since we do not bother to create new bindings\n\t\t\t\t\t\t// for objects that are cached, the binding may\n\t\t\t\t\t\t// or may not exist\n\n\t\t\t\t\t\tbinding = new PropertyBinding( object, paths[ j ], parsedPaths[ j ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = binding;\n\n\t\t\t\t}\n\n\t\t\t} else if ( objects[ index ] !== knownObject ) {\n\n\t\t\t\tconsole.error( 'THREE.AnimationObjectGroup: Different objects with the same UUID ' +\n\t\t\t\t\t'detected. Clean the caches or recreate your infrastructure when reloading scenes.' );\n\n\t\t\t} // else the object is already where we want it to be\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\tremove() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet nCachedObjects = this.nCachedObjects_;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid,\n\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\tif ( index !== undefined && index >= nCachedObjects ) {\n\n\t\t\t\t// move existing object into the CACHED region\n\n\t\t\t\tconst lastCachedIndex = nCachedObjects ++,\n\t\t\t\t\tfirstActiveObject = objects[ lastCachedIndex ];\n\n\t\t\t\tindicesByUUID[ firstActiveObject.uuid ] = index;\n\t\t\t\tobjects[ index ] = firstActiveObject;\n\n\t\t\t\tindicesByUUID[ uuid ] = lastCachedIndex;\n\t\t\t\tobjects[ lastCachedIndex ] = object;\n\n\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\tfirstActive = bindingsForPath[ lastCachedIndex ],\n\t\t\t\t\t\tbinding = bindingsForPath[ index ];\n\n\t\t\t\t\tbindingsForPath[ index ] = firstActive;\n\t\t\t\t\tbindingsForPath[ lastCachedIndex ] = binding;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\t// remove & forget\n\tuncache() {\n\n\t\tconst objects = this._objects,\n\t\t\tindicesByUUID = this._indicesByUUID,\n\t\t\tbindings = this._bindings,\n\t\t\tnBindings = bindings.length;\n\n\t\tlet nCachedObjects = this.nCachedObjects_,\n\t\t\tnObjects = objects.length;\n\n\t\tfor ( let i = 0, n = arguments.length; i !== n; ++ i ) {\n\n\t\t\tconst object = arguments[ i ],\n\t\t\t\tuuid = object.uuid,\n\t\t\t\tindex = indicesByUUID[ uuid ];\n\n\t\t\tif ( index !== undefined ) {\n\n\t\t\t\tdelete indicesByUUID[ uuid ];\n\n\t\t\t\tif ( index < nCachedObjects ) {\n\n\t\t\t\t\t// object is cached, shrink the CACHED region\n\n\t\t\t\t\tconst firstActiveIndex = -- nCachedObjects,\n\t\t\t\t\t\tlastCachedObject = objects[ firstActiveIndex ],\n\t\t\t\t\t\tlastIndex = -- nObjects,\n\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\t// last cached object takes this object's place\n\t\t\t\t\tindicesByUUID[ lastCachedObject.uuid ] = index;\n\t\t\t\t\tobjects[ index ] = lastCachedObject;\n\n\t\t\t\t\t// last object goes to the activated slot and pop\n\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = firstActiveIndex;\n\t\t\t\t\tobjects[ firstActiveIndex ] = lastObject;\n\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tconst bindingsForPath = bindings[ j ],\n\t\t\t\t\t\t\tlastCached = bindingsForPath[ firstActiveIndex ],\n\t\t\t\t\t\t\tlast = bindingsForPath[ lastIndex ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = lastCached;\n\t\t\t\t\t\tbindingsForPath[ firstActiveIndex ] = last;\n\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// object is active, just swap with the last and pop\n\n\t\t\t\t\tconst lastIndex = -- nObjects,\n\t\t\t\t\t\tlastObject = objects[ lastIndex ];\n\n\t\t\t\t\tif ( lastIndex > 0 ) {\n\n\t\t\t\t\t\tindicesByUUID[ lastObject.uuid ] = index;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tobjects[ index ] = lastObject;\n\t\t\t\t\tobjects.pop();\n\n\t\t\t\t\t// accounting is done, now do the same for all bindings\n\n\t\t\t\t\tfor ( let j = 0, m = nBindings; j !== m; ++ j ) {\n\n\t\t\t\t\t\tconst bindingsForPath = bindings[ j ];\n\n\t\t\t\t\t\tbindingsForPath[ index ] = bindingsForPath[ lastIndex ];\n\t\t\t\t\t\tbindingsForPath.pop();\n\n\t\t\t\t\t}\n\n\t\t\t\t} // cached or active\n\n\t\t\t} // if object is known\n\n\t\t} // for arguments\n\n\t\tthis.nCachedObjects_ = nCachedObjects;\n\n\t}\n\n\t// Internal interface used by befriended PropertyBinding.Composite:\n\n\tsubscribe_( path, parsedPath ) {\n\n\t\t// returns an array of bindings for the given path that is changed\n\t\t// according to the contained objects in the group\n\n\t\tconst indicesByPath = this._bindingsIndicesByPath;\n\t\tlet index = indicesByPath[ path ];\n\t\tconst bindings = this._bindings;\n\n\t\tif ( index !== undefined ) return bindings[ index ];\n\n\t\tconst paths = this._paths,\n\t\t\tparsedPaths = this._parsedPaths,\n\t\t\tobjects = this._objects,\n\t\t\tnObjects = objects.length,\n\t\t\tnCachedObjects = this.nCachedObjects_,\n\t\t\tbindingsForPath = new Array( nObjects );\n\n\t\tindex = bindings.length;\n\n\t\tindicesByPath[ path ] = index;\n\n\t\tpaths.push( path );\n\t\tparsedPaths.push( parsedPath );\n\t\tbindings.push( bindingsForPath );\n\n\t\tfor ( let i = nCachedObjects, n = objects.length; i !== n; ++ i ) {\n\n\t\t\tconst object = objects[ i ];\n\t\t\tbindingsForPath[ i ] = new PropertyBinding( object, path, parsedPath );\n\n\t\t}\n\n\t\treturn bindingsForPath;\n\n\t}\n\n\tunsubscribe_( path ) {\n\n\t\t// tells the group to forget about a property path and no longer\n\t\t// update the array previously obtained with 'subscribe_'\n\n\t\tconst indicesByPath = this._bindingsIndicesByPath,\n\t\t\tindex = indicesByPath[ path ];\n\n\t\tif ( index !== undefined ) {\n\n\t\t\tconst paths = this._paths,\n\t\t\t\tparsedPaths = this._parsedPaths,\n\t\t\t\tbindings = this._bindings,\n\t\t\t\tlastBindingsIndex = bindings.length - 1,\n\t\t\t\tlastBindings = bindings[ lastBindingsIndex ],\n\t\t\t\tlastBindingsPath = path[ lastBindingsIndex ];\n\n\t\t\tindicesByPath[ lastBindingsPath ] = index;\n\n\t\t\tbindings[ index ] = lastBindings;\n\t\t\tbindings.pop();\n\n\t\t\tparsedPaths[ index ] = parsedPaths[ lastBindingsIndex ];\n\t\t\tparsedPaths.pop();\n\n\t\t\tpaths[ index ] = paths[ lastBindingsIndex ];\n\t\t\tpaths.pop();\n\n\t\t}\n\n\t}\n\n}\n\nclass AnimationAction {\n\n\tconstructor( mixer, clip, localRoot = null, blendMode = clip.blendMode ) {\n\n\t\tthis._mixer = mixer;\n\t\tthis._clip = clip;\n\t\tthis._localRoot = localRoot;\n\t\tthis.blendMode = blendMode;\n\n\t\tconst tracks = clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tinterpolants = new Array( nTracks );\n\n\t\tconst interpolantSettings = {\n\t\t\tendingStart: ZeroCurvatureEnding,\n\t\t\tendingEnd: ZeroCurvatureEnding\n\t\t};\n\n\t\tfor ( let i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tconst interpolant = tracks[ i ].createInterpolant( null );\n\t\t\tinterpolants[ i ] = interpolant;\n\t\t\tinterpolant.settings = interpolantSettings;\n\n\t\t}\n\n\t\tthis._interpolantSettings = interpolantSettings;\n\n\t\tthis._interpolants = interpolants; // bound by the mixer\n\n\t\t// inside: PropertyMixer (managed by the mixer)\n\t\tthis._propertyBindings = new Array( nTracks );\n\n\t\tthis._cacheIndex = null; // for the memory manager\n\t\tthis._byClipCacheIndex = null; // for the memory manager\n\n\t\tthis._timeScaleInterpolant = null;\n\t\tthis._weightInterpolant = null;\n\n\t\tthis.loop = LoopRepeat;\n\t\tthis._loopCount = - 1;\n\n\t\t// global mixer time when the action is to be started\n\t\t// it's set back to 'null' upon start of the action\n\t\tthis._startTime = null;\n\n\t\t// scaled local time of the action\n\t\t// gets clamped or wrapped to 0..clip.duration according to loop\n\t\tthis.time = 0;\n\n\t\tthis.timeScale = 1;\n\t\tthis._effectiveTimeScale = 1;\n\n\t\tthis.weight = 1;\n\t\tthis._effectiveWeight = 1;\n\n\t\tthis.repetitions = Infinity; // no. of repetitions when looping\n\n\t\tthis.paused = false; // true -> zero effective time scale\n\t\tthis.enabled = true; // false -> zero effective weight\n\n\t\tthis.clampWhenFinished = false;// keep feeding the last frame?\n\n\t\tthis.zeroSlopeAtStart = true;// for smooth interpolation w/o separate\n\t\tthis.zeroSlopeAtEnd = true;// clips for start, loop and end\n\n\t}\n\n\t// State & Scheduling\n\n\tplay() {\n\n\t\tthis._mixer._activateAction( this );\n\n\t\treturn this;\n\n\t}\n\n\tstop() {\n\n\t\tthis._mixer._deactivateAction( this );\n\n\t\treturn this.reset();\n\n\t}\n\n\treset() {\n\n\t\tthis.paused = false;\n\t\tthis.enabled = true;\n\n\t\tthis.time = 0; // restart clip\n\t\tthis._loopCount = - 1;// forget previous loops\n\t\tthis._startTime = null;// forget scheduling\n\n\t\treturn this.stopFading().stopWarping();\n\n\t}\n\n\tisRunning() {\n\n\t\treturn this.enabled && ! this.paused && this.timeScale !== 0 &&\n\t\t\tthis._startTime === null && this._mixer._isActiveAction( this );\n\n\t}\n\n\t// return true when play has been called\n\tisScheduled() {\n\n\t\treturn this._mixer._isActiveAction( this );\n\n\t}\n\n\tstartAt( time ) {\n\n\t\tthis._startTime = time;\n\n\t\treturn this;\n\n\t}\n\n\tsetLoop( mode, repetitions ) {\n\n\t\tthis.loop = mode;\n\t\tthis.repetitions = repetitions;\n\n\t\treturn this;\n\n\t}\n\n\t// Weight\n\n\t// set the weight stopping any scheduled fading\n\t// although .enabled = false yields an effective weight of zero, this\n\t// method does *not* change .enabled, because it would be confusing\n\tsetEffectiveWeight( weight ) {\n\n\t\tthis.weight = weight;\n\n\t\t// note: same logic as when updated at runtime\n\t\tthis._effectiveWeight = this.enabled ? weight : 0;\n\n\t\treturn this.stopFading();\n\n\t}\n\n\t// return the weight considering fading and .enabled\n\tgetEffectiveWeight() {\n\n\t\treturn this._effectiveWeight;\n\n\t}\n\n\tfadeIn( duration ) {\n\n\t\treturn this._scheduleFading( duration, 0, 1 );\n\n\t}\n\n\tfadeOut( duration ) {\n\n\t\treturn this._scheduleFading( duration, 1, 0 );\n\n\t}\n\n\tcrossFadeFrom( fadeOutAction, duration, warp ) {\n\n\t\tfadeOutAction.fadeOut( duration );\n\t\tthis.fadeIn( duration );\n\n\t\tif ( warp ) {\n\n\t\t\tconst fadeInDuration = this._clip.duration,\n\t\t\t\tfadeOutDuration = fadeOutAction._clip.duration,\n\n\t\t\t\tstartEndRatio = fadeOutDuration / fadeInDuration,\n\t\t\t\tendStartRatio = fadeInDuration / fadeOutDuration;\n\n\t\t\tfadeOutAction.warp( 1.0, startEndRatio, duration );\n\t\t\tthis.warp( endStartRatio, 1.0, duration );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tcrossFadeTo( fadeInAction, duration, warp ) {\n\n\t\treturn fadeInAction.crossFadeFrom( this, duration, warp );\n\n\t}\n\n\tstopFading() {\n\n\t\tconst weightInterpolant = this._weightInterpolant;\n\n\t\tif ( weightInterpolant !== null ) {\n\n\t\t\tthis._weightInterpolant = null;\n\t\t\tthis._mixer._takeBackControlInterpolant( weightInterpolant );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// Time Scale Control\n\n\t// set the time scale stopping any scheduled warping\n\t// although .paused = true yields an effective time scale of zero, this\n\t// method does *not* change .paused, because it would be confusing\n\tsetEffectiveTimeScale( timeScale ) {\n\n\t\tthis.timeScale = timeScale;\n\t\tthis._effectiveTimeScale = this.paused ? 0 : timeScale;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\t// return the time scale considering warping and .paused\n\tgetEffectiveTimeScale() {\n\n\t\treturn this._effectiveTimeScale;\n\n\t}\n\n\tsetDuration( duration ) {\n\n\t\tthis.timeScale = this._clip.duration / duration;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\tsyncWith( action ) {\n\n\t\tthis.time = action.time;\n\t\tthis.timeScale = action.timeScale;\n\n\t\treturn this.stopWarping();\n\n\t}\n\n\thalt( duration ) {\n\n\t\treturn this.warp( this._effectiveTimeScale, 0, duration );\n\n\t}\n\n\twarp( startTimeScale, endTimeScale, duration ) {\n\n\t\tconst mixer = this._mixer,\n\t\t\tnow = mixer.time,\n\t\t\ttimeScale = this.timeScale;\n\n\t\tlet interpolant = this._timeScaleInterpolant;\n\n\t\tif ( interpolant === null ) {\n\n\t\t\tinterpolant = mixer._lendControlInterpolant();\n\t\t\tthis._timeScaleInterpolant = interpolant;\n\n\t\t}\n\n\t\tconst times = interpolant.parameterPositions,\n\t\t\tvalues = interpolant.sampleValues;\n\n\t\ttimes[ 0 ] = now;\n\t\ttimes[ 1 ] = now + duration;\n\n\t\tvalues[ 0 ] = startTimeScale / timeScale;\n\t\tvalues[ 1 ] = endTimeScale / timeScale;\n\n\t\treturn this;\n\n\t}\n\n\tstopWarping() {\n\n\t\tconst timeScaleInterpolant = this._timeScaleInterpolant;\n\n\t\tif ( timeScaleInterpolant !== null ) {\n\n\t\t\tthis._timeScaleInterpolant = null;\n\t\t\tthis._mixer._takeBackControlInterpolant( timeScaleInterpolant );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// Object Accessors\n\n\tgetMixer() {\n\n\t\treturn this._mixer;\n\n\t}\n\n\tgetClip() {\n\n\t\treturn this._clip;\n\n\t}\n\n\tgetRoot() {\n\n\t\treturn this._localRoot || this._mixer._root;\n\n\t}\n\n\t// Interna\n\n\t_update( time, deltaTime, timeDirection, accuIndex ) {\n\n\t\t// called by the mixer\n\n\t\tif ( ! this.enabled ) {\n\n\t\t\t// call ._updateWeight() to update ._effectiveWeight\n\n\t\t\tthis._updateWeight( time );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst startTime = this._startTime;\n\n\t\tif ( startTime !== null ) {\n\n\t\t\t// check for scheduled start of action\n\n\t\t\tconst timeRunning = ( time - startTime ) * timeDirection;\n\t\t\tif ( timeRunning < 0 || timeDirection === 0 ) {\n\n\t\t\t\tdeltaTime = 0;\n\n\t\t\t} else {\n\n\n\t\t\t\tthis._startTime = null; // unschedule\n\t\t\t\tdeltaTime = timeDirection * timeRunning;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// apply time scale and advance time\n\n\t\tdeltaTime *= this._updateTimeScale( time );\n\t\tconst clipTime = this._updateTime( deltaTime );\n\n\t\t// note: _updateTime may disable the action resulting in\n\t\t// an effective weight of 0\n\n\t\tconst weight = this._updateWeight( time );\n\n\t\tif ( weight > 0 ) {\n\n\t\t\tconst interpolants = this._interpolants;\n\t\t\tconst propertyMixers = this._propertyBindings;\n\n\t\t\tswitch ( this.blendMode ) {\n\n\t\t\t\tcase AdditiveAnimationBlendMode:\n\n\t\t\t\t\tfor ( let j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\t\tpropertyMixers[ j ].accumulateAdditive( weight );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase NormalAnimationBlendMode:\n\t\t\t\tdefault:\n\n\t\t\t\t\tfor ( let j = 0, m = interpolants.length; j !== m; ++ j ) {\n\n\t\t\t\t\t\tinterpolants[ j ].evaluate( clipTime );\n\t\t\t\t\t\tpropertyMixers[ j ].accumulate( accuIndex, weight );\n\n\t\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_updateWeight( time ) {\n\n\t\tlet weight = 0;\n\n\t\tif ( this.enabled ) {\n\n\t\t\tweight = this.weight;\n\t\t\tconst interpolant = this._weightInterpolant;\n\n\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\tconst interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\tweight *= interpolantValue;\n\n\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\tthis.stopFading();\n\n\t\t\t\t\tif ( interpolantValue === 0 ) {\n\n\t\t\t\t\t\t// faded out, disable\n\t\t\t\t\t\tthis.enabled = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis._effectiveWeight = weight;\n\t\treturn weight;\n\n\t}\n\n\t_updateTimeScale( time ) {\n\n\t\tlet timeScale = 0;\n\n\t\tif ( ! this.paused ) {\n\n\t\t\ttimeScale = this.timeScale;\n\n\t\t\tconst interpolant = this._timeScaleInterpolant;\n\n\t\t\tif ( interpolant !== null ) {\n\n\t\t\t\tconst interpolantValue = interpolant.evaluate( time )[ 0 ];\n\n\t\t\t\ttimeScale *= interpolantValue;\n\n\t\t\t\tif ( time > interpolant.parameterPositions[ 1 ] ) {\n\n\t\t\t\t\tthis.stopWarping();\n\n\t\t\t\t\tif ( timeScale === 0 ) {\n\n\t\t\t\t\t\t// motion has halted, pause\n\t\t\t\t\t\tthis.paused = true;\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// warp done - apply final time scale\n\t\t\t\t\t\tthis.timeScale = timeScale;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis._effectiveTimeScale = timeScale;\n\t\treturn timeScale;\n\n\t}\n\n\t_updateTime( deltaTime ) {\n\n\t\tconst duration = this._clip.duration;\n\t\tconst loop = this.loop;\n\n\t\tlet time = this.time + deltaTime;\n\t\tlet loopCount = this._loopCount;\n\n\t\tconst pingPong = ( loop === LoopPingPong );\n\n\t\tif ( deltaTime === 0 ) {\n\n\t\t\tif ( loopCount === - 1 ) return time;\n\n\t\t\treturn ( pingPong && ( loopCount & 1 ) === 1 ) ? duration - time : time;\n\n\t\t}\n\n\t\tif ( loop === LoopOnce ) {\n\n\t\t\tif ( loopCount === - 1 ) {\n\n\t\t\t\t// just started\n\n\t\t\t\tthis._loopCount = 0;\n\t\t\t\tthis._setEndings( true, true, false );\n\n\t\t\t}\n\n\t\t\thandle_stop: {\n\n\t\t\t\tif ( time >= duration ) {\n\n\t\t\t\t\ttime = duration;\n\n\t\t\t\t} else if ( time < 0 ) {\n\n\t\t\t\t\ttime = 0;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tbreak handle_stop;\n\n\t\t\t\t}\n\n\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\telse this.enabled = false;\n\n\t\t\t\tthis.time = time;\n\n\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\tdirection: deltaTime < 0 ? - 1 : 1\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t} else { // repetitive Repeat or PingPong\n\n\t\t\tif ( loopCount === - 1 ) {\n\n\t\t\t\t// just started\n\n\t\t\t\tif ( deltaTime >= 0 ) {\n\n\t\t\t\t\tloopCount = 0;\n\n\t\t\t\t\tthis._setEndings( true, this.repetitions === 0, pingPong );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// when looping in reverse direction, the initial\n\t\t\t\t\t// transition through zero counts as a repetition,\n\t\t\t\t\t// so leave loopCount at -1\n\n\t\t\t\t\tthis._setEndings( this.repetitions === 0, true, pingPong );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( time >= duration || time < 0 ) {\n\n\t\t\t\t// wrap around\n\n\t\t\t\tconst loopDelta = Math.floor( time / duration ); // signed\n\t\t\t\ttime -= duration * loopDelta;\n\n\t\t\t\tloopCount += Math.abs( loopDelta );\n\n\t\t\t\tconst pending = this.repetitions - loopCount;\n\n\t\t\t\tif ( pending <= 0 ) {\n\n\t\t\t\t\t// have to stop (switch state, clamp time, fire event)\n\n\t\t\t\t\tif ( this.clampWhenFinished ) this.paused = true;\n\t\t\t\t\telse this.enabled = false;\n\n\t\t\t\t\ttime = deltaTime > 0 ? duration : 0;\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'finished', action: this,\n\t\t\t\t\t\tdirection: deltaTime > 0 ? 1 : - 1\n\t\t\t\t\t} );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// keep running\n\n\t\t\t\t\tif ( pending === 1 ) {\n\n\t\t\t\t\t\t// entering the last round\n\n\t\t\t\t\t\tconst atStart = deltaTime < 0;\n\t\t\t\t\t\tthis._setEndings( atStart, ! atStart, pingPong );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tthis._setEndings( false, false, pingPong );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tthis._loopCount = loopCount;\n\n\t\t\t\t\tthis.time = time;\n\n\t\t\t\t\tthis._mixer.dispatchEvent( {\n\t\t\t\t\t\ttype: 'loop', action: this, loopDelta: loopDelta\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} else {\n\n\t\t\t\tthis.time = time;\n\n\t\t\t}\n\n\t\t\tif ( pingPong && ( loopCount & 1 ) === 1 ) {\n\n\t\t\t\t// invert time for the \"pong round\"\n\n\t\t\t\treturn duration - time;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn time;\n\n\t}\n\n\t_setEndings( atStart, atEnd, pingPong ) {\n\n\t\tconst settings = this._interpolantSettings;\n\n\t\tif ( pingPong ) {\n\n\t\t\tsettings.endingStart = ZeroSlopeEnding;\n\t\t\tsettings.endingEnd = ZeroSlopeEnding;\n\n\t\t} else {\n\n\t\t\t// assuming for LoopOnce atStart == atEnd == true\n\n\t\t\tif ( atStart ) {\n\n\t\t\t\tsettings.endingStart = this.zeroSlopeAtStart ? ZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t} else {\n\n\t\t\t\tsettings.endingStart = WrapAroundEnding;\n\n\t\t\t}\n\n\t\t\tif ( atEnd ) {\n\n\t\t\t\tsettings.endingEnd = this.zeroSlopeAtEnd ? ZeroSlopeEnding : ZeroCurvatureEnding;\n\n\t\t\t} else {\n\n\t\t\t\tsettings.endingEnd \t = WrapAroundEnding;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_scheduleFading( duration, weightNow, weightThen ) {\n\n\t\tconst mixer = this._mixer, now = mixer.time;\n\t\tlet interpolant = this._weightInterpolant;\n\n\t\tif ( interpolant === null ) {\n\n\t\t\tinterpolant = mixer._lendControlInterpolant();\n\t\t\tthis._weightInterpolant = interpolant;\n\n\t\t}\n\n\t\tconst times = interpolant.parameterPositions,\n\t\t\tvalues = interpolant.sampleValues;\n\n\t\ttimes[ 0 ] = now;\n\t\tvalues[ 0 ] = weightNow;\n\t\ttimes[ 1 ] = now + duration;\n\t\tvalues[ 1 ] = weightThen;\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _controlInterpolantsResultBuffer = new Float32Array( 1 );\n\n\nclass AnimationMixer extends EventDispatcher {\n\n\tconstructor( root ) {\n\n\t\tsuper();\n\n\t\tthis._root = root;\n\t\tthis._initMemoryManager();\n\t\tthis._accuIndex = 0;\n\t\tthis.time = 0;\n\t\tthis.timeScale = 1.0;\n\n\t}\n\n\t_bindAction( action, prototypeAction ) {\n\n\t\tconst root = action._localRoot || this._root,\n\t\t\ttracks = action._clip.tracks,\n\t\t\tnTracks = tracks.length,\n\t\t\tbindings = action._propertyBindings,\n\t\t\tinterpolants = action._interpolants,\n\t\t\trootUuid = root.uuid,\n\t\t\tbindingsByRoot = this._bindingsByRootAndName;\n\n\t\tlet bindingsByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingsByName === undefined ) {\n\n\t\t\tbindingsByName = {};\n\t\t\tbindingsByRoot[ rootUuid ] = bindingsByName;\n\n\t\t}\n\n\t\tfor ( let i = 0; i !== nTracks; ++ i ) {\n\n\t\t\tconst track = tracks[ i ],\n\t\t\t\ttrackName = track.name;\n\n\t\t\tlet binding = bindingsByName[ trackName ];\n\n\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t++ binding.referenceCount;\n\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t} else {\n\n\t\t\t\tbinding = bindings[ i ];\n\n\t\t\t\tif ( binding !== undefined ) {\n\n\t\t\t\t\t// existing binding, make sure the cache knows\n\n\t\t\t\t\tif ( binding._cacheIndex === null ) {\n\n\t\t\t\t\t\t++ binding.referenceCount;\n\t\t\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\tconst path = prototypeAction && prototypeAction.\n\t\t\t\t\t_propertyBindings[ i ].binding.parsedPath;\n\n\t\t\t\tbinding = new PropertyMixer(\n\t\t\t\t\tPropertyBinding.create( root, trackName, path ),\n\t\t\t\t\ttrack.ValueTypeName, track.getValueSize() );\n\n\t\t\t\t++ binding.referenceCount;\n\t\t\t\tthis._addInactiveBinding( binding, rootUuid, trackName );\n\n\t\t\t\tbindings[ i ] = binding;\n\n\t\t\t}\n\n\t\t\tinterpolants[ i ].resultBuffer = binding.buffer;\n\n\t\t}\n\n\t}\n\n\t_activateAction( action ) {\n\n\t\tif ( ! this._isActiveAction( action ) ) {\n\n\t\t\tif ( action._cacheIndex === null ) {\n\n\t\t\t\t// this action has been forgotten by the cache, but the user\n\t\t\t\t// appears to be still using it -> rebind\n\n\t\t\t\tconst rootUuid = ( action._localRoot || this._root ).uuid,\n\t\t\t\t\tclipUuid = action._clip.uuid,\n\t\t\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\t\t\tthis._bindAction( action,\n\t\t\t\t\tactionsForClip && actionsForClip.knownActions[ 0 ] );\n\n\t\t\t\tthis._addInactiveAction( action, clipUuid, rootUuid );\n\n\t\t\t}\n\n\t\t\tconst bindings = action._propertyBindings;\n\n\t\t\t// increment reference counts / sort out state\n\t\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tconst binding = bindings[ i ];\n\n\t\t\t\tif ( binding.useCount ++ === 0 ) {\n\n\t\t\t\t\tthis._lendBinding( binding );\n\t\t\t\t\tbinding.saveOriginalState();\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._lendAction( action );\n\n\t\t}\n\n\t}\n\n\t_deactivateAction( action ) {\n\n\t\tif ( this._isActiveAction( action ) ) {\n\n\t\t\tconst bindings = action._propertyBindings;\n\n\t\t\t// decrement reference counts / sort out state\n\t\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\t\tconst binding = bindings[ i ];\n\n\t\t\t\tif ( -- binding.useCount === 0 ) {\n\n\t\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\t\tthis._takeBackBinding( binding );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tthis._takeBackAction( action );\n\n\t\t}\n\n\t}\n\n\t// Memory manager\n\n\t_initMemoryManager() {\n\n\t\tthis._actions = []; // 'nActiveActions' followed by inactive ones\n\t\tthis._nActiveActions = 0;\n\n\t\tthis._actionsByClip = {};\n\t\t// inside:\n\t\t// {\n\t\t// \tknownActions: Array< AnimationAction > - used as prototypes\n\t\t// \tactionByRoot: AnimationAction - lookup\n\t\t// }\n\n\n\t\tthis._bindings = []; // 'nActiveBindings' followed by inactive ones\n\t\tthis._nActiveBindings = 0;\n\n\t\tthis._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer >\n\n\n\t\tthis._controlInterpolants = []; // same game as above\n\t\tthis._nActiveControlInterpolants = 0;\n\n\t\tconst scope = this;\n\n\t\tthis.stats = {\n\n\t\t\tactions: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._actions.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveActions;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tbindings: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._bindings.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveBindings;\n\n\t\t\t\t}\n\t\t\t},\n\t\t\tcontrolInterpolants: {\n\t\t\t\tget total() {\n\n\t\t\t\t\treturn scope._controlInterpolants.length;\n\n\t\t\t\t},\n\t\t\t\tget inUse() {\n\n\t\t\t\t\treturn scope._nActiveControlInterpolants;\n\n\t\t\t\t}\n\t\t\t}\n\n\t\t};\n\n\t}\n\n\t// Memory management for AnimationAction objects\n\n\t_isActiveAction( action ) {\n\n\t\tconst index = action._cacheIndex;\n\t\treturn index !== null && index < this._nActiveActions;\n\n\t}\n\n\t_addInactiveAction( action, clipUuid, rootUuid ) {\n\n\t\tconst actions = this._actions,\n\t\t\tactionsByClip = this._actionsByClip;\n\n\t\tlet actionsForClip = actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip === undefined ) {\n\n\t\t\tactionsForClip = {\n\n\t\t\t\tknownActions: [ action ],\n\t\t\t\tactionByRoot: {}\n\n\t\t\t};\n\n\t\t\taction._byClipCacheIndex = 0;\n\n\t\t\tactionsByClip[ clipUuid ] = actionsForClip;\n\n\t\t} else {\n\n\t\t\tconst knownActions = actionsForClip.knownActions;\n\n\t\t\taction._byClipCacheIndex = knownActions.length;\n\t\t\tknownActions.push( action );\n\n\t\t}\n\n\t\taction._cacheIndex = actions.length;\n\t\tactions.push( action );\n\n\t\tactionsForClip.actionByRoot[ rootUuid ] = action;\n\n\t}\n\n\t_removeInactiveAction( action ) {\n\n\t\tconst actions = this._actions,\n\t\t\tlastInactiveAction = actions[ actions.length - 1 ],\n\t\t\tcacheIndex = action._cacheIndex;\n\n\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\tactions.pop();\n\n\t\taction._cacheIndex = null;\n\n\n\t\tconst clipUuid = action._clip.uuid,\n\t\t\tactionsByClip = this._actionsByClip,\n\t\t\tactionsForClip = actionsByClip[ clipUuid ],\n\t\t\tknownActionsForClip = actionsForClip.knownActions,\n\n\t\t\tlastKnownAction =\n\t\t\t\tknownActionsForClip[ knownActionsForClip.length - 1 ],\n\n\t\t\tbyClipCacheIndex = action._byClipCacheIndex;\n\n\t\tlastKnownAction._byClipCacheIndex = byClipCacheIndex;\n\t\tknownActionsForClip[ byClipCacheIndex ] = lastKnownAction;\n\t\tknownActionsForClip.pop();\n\n\t\taction._byClipCacheIndex = null;\n\n\n\t\tconst actionByRoot = actionsForClip.actionByRoot,\n\t\t\trootUuid = ( action._localRoot || this._root ).uuid;\n\n\t\tdelete actionByRoot[ rootUuid ];\n\n\t\tif ( knownActionsForClip.length === 0 ) {\n\n\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t}\n\n\t\tthis._removeInactiveBindingsForAction( action );\n\n\t}\n\n\t_removeInactiveBindingsForAction( action ) {\n\n\t\tconst bindings = action._propertyBindings;\n\n\t\tfor ( let i = 0, n = bindings.length; i !== n; ++ i ) {\n\n\t\t\tconst binding = bindings[ i ];\n\n\t\t\tif ( -- binding.referenceCount === 0 ) {\n\n\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_lendAction( action ) {\n\n\t\t// [ active actions | inactive actions ]\n\t\t// [ active actions >| inactive actions ]\n\t\t// s a\n\t\t// <-swap->\n\t\t// a s\n\n\t\tconst actions = this._actions,\n\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\tlastActiveIndex = this._nActiveActions ++,\n\n\t\t\tfirstInactiveAction = actions[ lastActiveIndex ];\n\n\t\taction._cacheIndex = lastActiveIndex;\n\t\tactions[ lastActiveIndex ] = action;\n\n\t\tfirstInactiveAction._cacheIndex = prevIndex;\n\t\tactions[ prevIndex ] = firstInactiveAction;\n\n\t}\n\n\t_takeBackAction( action ) {\n\n\t\t// [ active actions | inactive actions ]\n\t\t// [ active actions |< inactive actions ]\n\t\t// a s\n\t\t// <-swap->\n\t\t// s a\n\n\t\tconst actions = this._actions,\n\t\t\tprevIndex = action._cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveActions,\n\n\t\t\tlastActiveAction = actions[ firstInactiveIndex ];\n\n\t\taction._cacheIndex = firstInactiveIndex;\n\t\tactions[ firstInactiveIndex ] = action;\n\n\t\tlastActiveAction._cacheIndex = prevIndex;\n\t\tactions[ prevIndex ] = lastActiveAction;\n\n\t}\n\n\t// Memory management for PropertyMixer objects\n\n\t_addInactiveBinding( binding, rootUuid, trackName ) {\n\n\t\tconst bindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindings = this._bindings;\n\n\t\tlet bindingByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingByName === undefined ) {\n\n\t\t\tbindingByName = {};\n\t\t\tbindingsByRoot[ rootUuid ] = bindingByName;\n\n\t\t}\n\n\t\tbindingByName[ trackName ] = binding;\n\n\t\tbinding._cacheIndex = bindings.length;\n\t\tbindings.push( binding );\n\n\t}\n\n\t_removeInactiveBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tpropBinding = binding.binding,\n\t\t\trootUuid = propBinding.rootNode.uuid,\n\t\t\ttrackName = propBinding.path,\n\t\t\tbindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindingByName = bindingsByRoot[ rootUuid ],\n\n\t\t\tlastInactiveBinding = bindings[ bindings.length - 1 ],\n\t\t\tcacheIndex = binding._cacheIndex;\n\n\t\tlastInactiveBinding._cacheIndex = cacheIndex;\n\t\tbindings[ cacheIndex ] = lastInactiveBinding;\n\t\tbindings.pop();\n\n\t\tdelete bindingByName[ trackName ];\n\n\t\tif ( Object.keys( bindingByName ).length === 0 ) {\n\n\t\t\tdelete bindingsByRoot[ rootUuid ];\n\n\t\t}\n\n\t}\n\n\t_lendBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\tlastActiveIndex = this._nActiveBindings ++,\n\n\t\t\tfirstInactiveBinding = bindings[ lastActiveIndex ];\n\n\t\tbinding._cacheIndex = lastActiveIndex;\n\t\tbindings[ lastActiveIndex ] = binding;\n\n\t\tfirstInactiveBinding._cacheIndex = prevIndex;\n\t\tbindings[ prevIndex ] = firstInactiveBinding;\n\n\t}\n\n\t_takeBackBinding( binding ) {\n\n\t\tconst bindings = this._bindings,\n\t\t\tprevIndex = binding._cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveBindings,\n\n\t\t\tlastActiveBinding = bindings[ firstInactiveIndex ];\n\n\t\tbinding._cacheIndex = firstInactiveIndex;\n\t\tbindings[ firstInactiveIndex ] = binding;\n\n\t\tlastActiveBinding._cacheIndex = prevIndex;\n\t\tbindings[ prevIndex ] = lastActiveBinding;\n\n\t}\n\n\n\t// Memory management of Interpolants for weight and time scale\n\n\t_lendControlInterpolant() {\n\n\t\tconst interpolants = this._controlInterpolants,\n\t\t\tlastActiveIndex = this._nActiveControlInterpolants ++;\n\n\t\tlet interpolant = interpolants[ lastActiveIndex ];\n\n\t\tif ( interpolant === undefined ) {\n\n\t\t\tinterpolant = new LinearInterpolant(\n\t\t\t\tnew Float32Array( 2 ), new Float32Array( 2 ),\n\t\t\t\t1, _controlInterpolantsResultBuffer );\n\n\t\t\tinterpolant.__cacheIndex = lastActiveIndex;\n\t\t\tinterpolants[ lastActiveIndex ] = interpolant;\n\n\t\t}\n\n\t\treturn interpolant;\n\n\t}\n\n\t_takeBackControlInterpolant( interpolant ) {\n\n\t\tconst interpolants = this._controlInterpolants,\n\t\t\tprevIndex = interpolant.__cacheIndex,\n\n\t\t\tfirstInactiveIndex = -- this._nActiveControlInterpolants,\n\n\t\t\tlastActiveInterpolant = interpolants[ firstInactiveIndex ];\n\n\t\tinterpolant.__cacheIndex = firstInactiveIndex;\n\t\tinterpolants[ firstInactiveIndex ] = interpolant;\n\n\t\tlastActiveInterpolant.__cacheIndex = prevIndex;\n\t\tinterpolants[ prevIndex ] = lastActiveInterpolant;\n\n\t}\n\n\t// return an action for a clip optionally using a custom root target\n\t// object (this method allocates a lot of dynamic memory in case a\n\t// previously unknown clip/root combination is specified)\n\tclipAction( clip, optionalRoot, blendMode ) {\n\n\t\tconst root = optionalRoot || this._root,\n\t\t\trootUuid = root.uuid;\n\n\t\tlet clipObject = typeof clip === 'string' ? AnimationClip.findByName( root, clip ) : clip;\n\n\t\tconst clipUuid = clipObject !== null ? clipObject.uuid : clip;\n\n\t\tconst actionsForClip = this._actionsByClip[ clipUuid ];\n\t\tlet prototypeAction = null;\n\n\t\tif ( blendMode === undefined ) {\n\n\t\t\tif ( clipObject !== null ) {\n\n\t\t\t\tblendMode = clipObject.blendMode;\n\n\t\t\t} else {\n\n\t\t\t\tblendMode = NormalAnimationBlendMode;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\tconst existingAction = actionsForClip.actionByRoot[ rootUuid ];\n\n\t\t\tif ( existingAction !== undefined && existingAction.blendMode === blendMode ) {\n\n\t\t\t\treturn existingAction;\n\n\t\t\t}\n\n\t\t\t// we know the clip, so we don't have to parse all\n\t\t\t// the bindings again but can just copy\n\t\t\tprototypeAction = actionsForClip.knownActions[ 0 ];\n\n\t\t\t// also, take the clip from the prototype action\n\t\t\tif ( clipObject === null )\n\t\t\t\tclipObject = prototypeAction._clip;\n\n\t\t}\n\n\t\t// clip must be known when specified via string\n\t\tif ( clipObject === null ) return null;\n\n\t\t// allocate all resources required to run it\n\t\tconst newAction = new AnimationAction( this, clipObject, optionalRoot, blendMode );\n\n\t\tthis._bindAction( newAction, prototypeAction );\n\n\t\t// and make the action known to the memory manager\n\t\tthis._addInactiveAction( newAction, clipUuid, rootUuid );\n\n\t\treturn newAction;\n\n\t}\n\n\t// get an existing action\n\texistingAction( clip, optionalRoot ) {\n\n\t\tconst root = optionalRoot || this._root,\n\t\t\trootUuid = root.uuid,\n\n\t\t\tclipObject = typeof clip === 'string' ?\n\t\t\t\tAnimationClip.findByName( root, clip ) : clip,\n\n\t\t\tclipUuid = clipObject ? clipObject.uuid : clip,\n\n\t\t\tactionsForClip = this._actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\treturn actionsForClip.actionByRoot[ rootUuid ] || null;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\t// deactivates all previously scheduled actions\n\tstopAllAction() {\n\n\t\tconst actions = this._actions,\n\t\t\tnActions = this._nActiveActions;\n\n\t\tfor ( let i = nActions - 1; i >= 0; -- i ) {\n\n\t\t\tactions[ i ].stop();\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// advance the time and update apply the animation\n\tupdate( deltaTime ) {\n\n\t\tdeltaTime *= this.timeScale;\n\n\t\tconst actions = this._actions,\n\t\t\tnActions = this._nActiveActions,\n\n\t\t\ttime = this.time += deltaTime,\n\t\t\ttimeDirection = Math.sign( deltaTime ),\n\n\t\t\taccuIndex = this._accuIndex ^= 1;\n\n\t\t// run active actions\n\n\t\tfor ( let i = 0; i !== nActions; ++ i ) {\n\n\t\t\tconst action = actions[ i ];\n\n\t\t\taction._update( time, deltaTime, timeDirection, accuIndex );\n\n\t\t}\n\n\t\t// update scene graph\n\n\t\tconst bindings = this._bindings,\n\t\t\tnBindings = this._nActiveBindings;\n\n\t\tfor ( let i = 0; i !== nBindings; ++ i ) {\n\n\t\t\tbindings[ i ].apply( accuIndex );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\t// Allows you to seek to a specific time in an animation.\n\tsetTime( timeInSeconds ) {\n\n\t\tthis.time = 0; // Zero out time attribute for AnimationMixer object;\n\t\tfor ( let i = 0; i < this._actions.length; i ++ ) {\n\n\t\t\tthis._actions[ i ].time = 0; // Zero out time attribute for all associated AnimationAction objects.\n\n\t\t}\n\n\t\treturn this.update( timeInSeconds ); // Update used to set exact time. Returns \"this\" AnimationMixer object.\n\n\t}\n\n\t// return this mixer's root target object\n\tgetRoot() {\n\n\t\treturn this._root;\n\n\t}\n\n\t// free all resources specific to a particular clip\n\tuncacheClip( clip ) {\n\n\t\tconst actions = this._actions,\n\t\t\tclipUuid = clip.uuid,\n\t\t\tactionsByClip = this._actionsByClip,\n\t\t\tactionsForClip = actionsByClip[ clipUuid ];\n\n\t\tif ( actionsForClip !== undefined ) {\n\n\t\t\t// note: just calling _removeInactiveAction would mess up the\n\t\t\t// iteration state and also require updating the state we can\n\t\t\t// just throw away\n\n\t\t\tconst actionsToRemove = actionsForClip.knownActions;\n\n\t\t\tfor ( let i = 0, n = actionsToRemove.length; i !== n; ++ i ) {\n\n\t\t\t\tconst action = actionsToRemove[ i ];\n\n\t\t\t\tthis._deactivateAction( action );\n\n\t\t\t\tconst cacheIndex = action._cacheIndex,\n\t\t\t\t\tlastInactiveAction = actions[ actions.length - 1 ];\n\n\t\t\t\taction._cacheIndex = null;\n\t\t\t\taction._byClipCacheIndex = null;\n\n\t\t\t\tlastInactiveAction._cacheIndex = cacheIndex;\n\t\t\t\tactions[ cacheIndex ] = lastInactiveAction;\n\t\t\t\tactions.pop();\n\n\t\t\t\tthis._removeInactiveBindingsForAction( action );\n\n\t\t\t}\n\n\t\t\tdelete actionsByClip[ clipUuid ];\n\n\t\t}\n\n\t}\n\n\t// free all resources specific to a particular root target object\n\tuncacheRoot( root ) {\n\n\t\tconst rootUuid = root.uuid,\n\t\t\tactionsByClip = this._actionsByClip;\n\n\t\tfor ( const clipUuid in actionsByClip ) {\n\n\t\t\tconst actionByRoot = actionsByClip[ clipUuid ].actionByRoot,\n\t\t\t\taction = actionByRoot[ rootUuid ];\n\n\t\t\tif ( action !== undefined ) {\n\n\t\t\t\tthis._deactivateAction( action );\n\t\t\t\tthis._removeInactiveAction( action );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst bindingsByRoot = this._bindingsByRootAndName,\n\t\t\tbindingByName = bindingsByRoot[ rootUuid ];\n\n\t\tif ( bindingByName !== undefined ) {\n\n\t\t\tfor ( const trackName in bindingByName ) {\n\n\t\t\t\tconst binding = bindingByName[ trackName ];\n\t\t\t\tbinding.restoreOriginalState();\n\t\t\t\tthis._removeInactiveBinding( binding );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t// remove a targeted clip from the cache\n\tuncacheAction( clip, optionalRoot ) {\n\n\t\tconst action = this.existingAction( clip, optionalRoot );\n\n\t\tif ( action !== null ) {\n\n\t\t\tthis._deactivateAction( action );\n\t\t\tthis._removeInactiveAction( action );\n\n\t\t}\n\n\t}\n\n}\n\nclass RenderTarget3D extends RenderTarget {\n\n\tconstructor( width = 1, height = 1, depth = 1, options = {} ) {\n\n\t\tsuper( width, height, options );\n\n\t\tthis.isRenderTarget3D = true;\n\n\t\tthis.depth = depth;\n\n\t\tthis.texture = new Data3DTexture( null, width, height, depth );\n\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t}\n\n}\n\nclass RenderTargetArray extends RenderTarget {\n\n\tconstructor( width = 1, height = 1, depth = 1, options = {} ) {\n\n\t\tsuper( width, height, options );\n\n\t\tthis.isRenderTargetArray = true;\n\n\t\tthis.depth = depth;\n\n\t\tthis.texture = new DataArrayTexture( null, width, height, depth );\n\n\t\tthis.texture.isRenderTargetTexture = true;\n\n\t}\n\n}\n\nclass Uniform {\n\n\tconstructor( value ) {\n\n\t\tthis.value = value;\n\n\t}\n\n\tclone() {\n\n\t\treturn new Uniform( this.value.clone === undefined ? this.value : this.value.clone() );\n\n\t}\n\n}\n\nlet _id = 0;\n\nclass UniformsGroup extends EventDispatcher {\n\n\tconstructor() {\n\n\t\tsuper();\n\n\t\tthis.isUniformsGroup = true;\n\n\t\tObject.defineProperty( this, 'id', { value: _id ++ } );\n\n\t\tthis.name = '';\n\n\t\tthis.usage = StaticDrawUsage;\n\t\tthis.uniforms = [];\n\n\t}\n\n\tadd( uniform ) {\n\n\t\tthis.uniforms.push( uniform );\n\n\t\treturn this;\n\n\t}\n\n\tremove( uniform ) {\n\n\t\tconst index = this.uniforms.indexOf( uniform );\n\n\t\tif ( index !== - 1 ) this.uniforms.splice( index, 1 );\n\n\t\treturn this;\n\n\t}\n\n\tsetName( name ) {\n\n\t\tthis.name = name;\n\n\t\treturn this;\n\n\t}\n\n\tsetUsage( value ) {\n\n\t\tthis.usage = value;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.dispatchEvent( { type: 'dispose' } );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tthis.name = source.name;\n\t\tthis.usage = source.usage;\n\n\t\tconst uniformsSource = source.uniforms;\n\n\t\tthis.uniforms.length = 0;\n\n\t\tfor ( let i = 0, l = uniformsSource.length; i < l; i ++ ) {\n\n\t\t\tconst uniforms = Array.isArray( uniformsSource[ i ] ) ? uniformsSource[ i ] : [ uniformsSource[ i ] ];\n\n\t\t\tfor ( let j = 0; j < uniforms.length; j ++ ) {\n\n\t\t\t\tthis.uniforms.push( uniforms[ j ].clone() );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nclass InstancedInterleavedBuffer extends InterleavedBuffer {\n\n\tconstructor( array, stride, meshPerAttribute = 1 ) {\n\n\t\tsuper( array, stride );\n\n\t\tthis.isInstancedInterleavedBuffer = true;\n\n\t\tthis.meshPerAttribute = meshPerAttribute;\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source );\n\n\t\tthis.meshPerAttribute = source.meshPerAttribute;\n\n\t\treturn this;\n\n\t}\n\n\tclone( data ) {\n\n\t\tconst ib = super.clone( data );\n\n\t\tib.meshPerAttribute = this.meshPerAttribute;\n\n\t\treturn ib;\n\n\t}\n\n\ttoJSON( data ) {\n\n\t\tconst json = super.toJSON( data );\n\n\t\tjson.isInstancedInterleavedBuffer = true;\n\t\tjson.meshPerAttribute = this.meshPerAttribute;\n\n\t\treturn json;\n\n\t}\n\n}\n\nclass GLBufferAttribute {\n\n\tconstructor( buffer, type, itemSize, elementSize, count ) {\n\n\t\tthis.isGLBufferAttribute = true;\n\n\t\tthis.name = '';\n\n\t\tthis.buffer = buffer;\n\t\tthis.type = type;\n\t\tthis.itemSize = itemSize;\n\t\tthis.elementSize = elementSize;\n\t\tthis.count = count;\n\n\t\tthis.version = 0;\n\n\t}\n\n\tset needsUpdate( value ) {\n\n\t\tif ( value === true ) this.version ++;\n\n\t}\n\n\tsetBuffer( buffer ) {\n\n\t\tthis.buffer = buffer;\n\n\t\treturn this;\n\n\t}\n\n\tsetType( type, elementSize ) {\n\n\t\tthis.type = type;\n\t\tthis.elementSize = elementSize;\n\n\t\treturn this;\n\n\t}\n\n\tsetItemSize( itemSize ) {\n\n\t\tthis.itemSize = itemSize;\n\n\t\treturn this;\n\n\t}\n\n\tsetCount( count ) {\n\n\t\tthis.count = count;\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _matrix = /*@__PURE__*/ new Matrix4();\n\nclass Raycaster {\n\n\tconstructor( origin, direction, near = 0, far = Infinity ) {\n\n\t\tthis.ray = new Ray( origin, direction );\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.near = near;\n\t\tthis.far = far;\n\t\tthis.camera = null;\n\t\tthis.layers = new Layers();\n\n\t\tthis.params = {\n\t\t\tMesh: {},\n\t\t\tLine: { threshold: 1 },\n\t\t\tLOD: {},\n\t\t\tPoints: { threshold: 1 },\n\t\t\tSprite: {}\n\t\t};\n\n\t}\n\n\tset( origin, direction ) {\n\n\t\t// direction is assumed to be normalized (for accurate distance calculations)\n\n\t\tthis.ray.set( origin, direction );\n\n\t}\n\n\tsetFromCamera( coords, camera ) {\n\n\t\tif ( camera.isPerspectiveCamera ) {\n\n\t\t\tthis.ray.origin.setFromMatrixPosition( camera.matrixWorld );\n\t\t\tthis.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize();\n\t\t\tthis.camera = camera;\n\n\t\t} else if ( camera.isOrthographicCamera ) {\n\n\t\t\tthis.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera\n\t\t\tthis.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld );\n\t\t\tthis.camera = camera;\n\n\t\t} else {\n\n\t\t\tconsole.error( 'THREE.Raycaster: Unsupported camera type: ' + camera.type );\n\n\t\t}\n\n\t}\n\n\tsetFromXRController( controller ) {\n\n\t\t_matrix.identity().extractRotation( controller.matrixWorld );\n\n\t\tthis.ray.origin.setFromMatrixPosition( controller.matrixWorld );\n\t\tthis.ray.direction.set( 0, 0, - 1 ).applyMatrix4( _matrix );\n\n\t\treturn this;\n\n\t}\n\n\tintersectObject( object, recursive = true, intersects = [] ) {\n\n\t\tintersect( object, this, intersects, recursive );\n\n\t\tintersects.sort( ascSort );\n\n\t\treturn intersects;\n\n\t}\n\n\tintersectObjects( objects, recursive = true, intersects = [] ) {\n\n\t\tfor ( let i = 0, l = objects.length; i < l; i ++ ) {\n\n\t\t\tintersect( objects[ i ], this, intersects, recursive );\n\n\t\t}\n\n\t\tintersects.sort( ascSort );\n\n\t\treturn intersects;\n\n\t}\n\n}\n\nfunction ascSort( a, b ) {\n\n\treturn a.distance - b.distance;\n\n}\n\nfunction intersect( object, raycaster, intersects, recursive ) {\n\n\tlet propagate = true;\n\n\tif ( object.layers.test( raycaster.layers ) ) {\n\n\t\tconst result = object.raycast( raycaster, intersects );\n\n\t\tif ( result === false ) propagate = false;\n\n\t}\n\n\tif ( propagate === true && recursive === true ) {\n\n\t\tconst children = object.children;\n\n\t\tfor ( let i = 0, l = children.length; i < l; i ++ ) {\n\n\t\t\tintersect( children[ i ], raycaster, intersects, true );\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system\n *\n * phi (the polar angle) is measured from the positive y-axis. The positive y-axis is up.\n * theta (the azimuthal angle) is measured from the positive z-axis.\n */\nclass Spherical {\n\n\tconstructor( radius = 1, phi = 0, theta = 0 ) {\n\n\t\tthis.radius = radius;\n\t\tthis.phi = phi; // polar angle\n\t\tthis.theta = theta; // azimuthal angle\n\n\t\treturn this;\n\n\t}\n\n\tset( radius, phi, theta ) {\n\n\t\tthis.radius = radius;\n\t\tthis.phi = phi;\n\t\tthis.theta = theta;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( other ) {\n\n\t\tthis.radius = other.radius;\n\t\tthis.phi = other.phi;\n\t\tthis.theta = other.theta;\n\n\t\treturn this;\n\n\t}\n\n\t// restrict phi to be between EPS and PI-EPS\n\tmakeSafe() {\n\n\t\tconst EPS = 0.000001;\n\t\tthis.phi = clamp( this.phi, EPS, Math.PI - EPS );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromVector3( v ) {\n\n\t\treturn this.setFromCartesianCoords( v.x, v.y, v.z );\n\n\t}\n\n\tsetFromCartesianCoords( x, y, z ) {\n\n\t\tthis.radius = Math.sqrt( x * x + y * y + z * z );\n\n\t\tif ( this.radius === 0 ) {\n\n\t\t\tthis.theta = 0;\n\t\t\tthis.phi = 0;\n\n\t\t} else {\n\n\t\t\tthis.theta = Math.atan2( x, z );\n\t\t\tthis.phi = Math.acos( clamp( y / this.radius, - 1, 1 ) );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\n/**\n * Ref: https://en.wikipedia.org/wiki/Cylindrical_coordinate_system\n */\n\nclass Cylindrical {\n\n\tconstructor( radius = 1, theta = 0, y = 0 ) {\n\n\t\tthis.radius = radius; // distance from the origin to a point in the x-z plane\n\t\tthis.theta = theta; // counterclockwise angle in the x-z plane measured in radians from the positive z-axis\n\t\tthis.y = y; // height above the x-z plane\n\n\t\treturn this;\n\n\t}\n\n\tset( radius, theta, y ) {\n\n\t\tthis.radius = radius;\n\t\tthis.theta = theta;\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tcopy( other ) {\n\n\t\tthis.radius = other.radius;\n\t\tthis.theta = other.theta;\n\t\tthis.y = other.y;\n\n\t\treturn this;\n\n\t}\n\n\tsetFromVector3( v ) {\n\n\t\treturn this.setFromCartesianCoords( v.x, v.y, v.z );\n\n\t}\n\n\tsetFromCartesianCoords( x, y, z ) {\n\n\t\tthis.radius = Math.sqrt( x * x + z * z );\n\t\tthis.theta = Math.atan2( x, z );\n\t\tthis.y = y;\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nclass Matrix2 {\n\n\tconstructor( n11, n12, n21, n22 ) {\n\n\t\tMatrix2.prototype.isMatrix2 = true;\n\n\t\tthis.elements = [\n\t\t\t1, 0,\n\t\t\t0, 1,\n\t\t];\n\n\t\tif ( n11 !== undefined ) {\n\n\t\t\tthis.set( n11, n12, n21, n22 );\n\n\t\t}\n\n\t}\n\n\tidentity() {\n\n\t\tthis.set(\n\t\t\t1, 0,\n\t\t\t0, 1,\n\t\t);\n\n\t\treturn this;\n\n\t}\n\n\tfromArray( array, offset = 0 ) {\n\n\t\tfor ( let i = 0; i < 4; i ++ ) {\n\n\t\t\tthis.elements[ i ] = array[ i + offset ];\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tset( n11, n12, n21, n22 ) {\n\n\t\tconst te = this.elements;\n\n\t\tte[ 0 ] = n11; te[ 2 ] = n12;\n\t\tte[ 1 ] = n21; te[ 3 ] = n22;\n\n\t\treturn this;\n\n\t}\n\n}\n\nconst _vector$4 = /*@__PURE__*/ new Vector2();\n\nclass Box2 {\n\n\tconstructor( min = new Vector2( + Infinity, + Infinity ), max = new Vector2( - Infinity, - Infinity ) ) {\n\n\t\tthis.isBox2 = true;\n\n\t\tthis.min = min;\n\t\tthis.max = max;\n\n\t}\n\n\tset( min, max ) {\n\n\t\tthis.min.copy( min );\n\t\tthis.max.copy( max );\n\n\t\treturn this;\n\n\t}\n\n\tsetFromPoints( points ) {\n\n\t\tthis.makeEmpty();\n\n\t\tfor ( let i = 0, il = points.length; i < il; i ++ ) {\n\n\t\t\tthis.expandByPoint( points[ i ] );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tsetFromCenterAndSize( center, size ) {\n\n\t\tconst halfSize = _vector$4.copy( size ).multiplyScalar( 0.5 );\n\t\tthis.min.copy( center ).sub( halfSize );\n\t\tthis.max.copy( center ).add( halfSize );\n\n\t\treturn this;\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n\tcopy( box ) {\n\n\t\tthis.min.copy( box.min );\n\t\tthis.max.copy( box.max );\n\n\t\treturn this;\n\n\t}\n\n\tmakeEmpty() {\n\n\t\tthis.min.x = this.min.y = + Infinity;\n\t\tthis.max.x = this.max.y = - Infinity;\n\n\t\treturn this;\n\n\t}\n\n\tisEmpty() {\n\n\t\t// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes\n\n\t\treturn ( this.max.x < this.min.x ) || ( this.max.y < this.min.y );\n\n\t}\n\n\tgetCenter( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 );\n\n\t}\n\n\tgetSize( target ) {\n\n\t\treturn this.isEmpty() ? target.set( 0, 0 ) : target.subVectors( this.max, this.min );\n\n\t}\n\n\texpandByPoint( point ) {\n\n\t\tthis.min.min( point );\n\t\tthis.max.max( point );\n\n\t\treturn this;\n\n\t}\n\n\texpandByVector( vector ) {\n\n\t\tthis.min.sub( vector );\n\t\tthis.max.add( vector );\n\n\t\treturn this;\n\n\t}\n\n\texpandByScalar( scalar ) {\n\n\t\tthis.min.addScalar( - scalar );\n\t\tthis.max.addScalar( scalar );\n\n\t\treturn this;\n\n\t}\n\n\tcontainsPoint( point ) {\n\n\t\treturn point.x >= this.min.x && point.x <= this.max.x &&\n\t\t\tpoint.y >= this.min.y && point.y <= this.max.y;\n\n\t}\n\n\tcontainsBox( box ) {\n\n\t\treturn this.min.x <= box.min.x && box.max.x <= this.max.x &&\n\t\t\tthis.min.y <= box.min.y && box.max.y <= this.max.y;\n\n\t}\n\n\tgetParameter( point, target ) {\n\n\t\t// This can potentially have a divide by zero if the box\n\t\t// has a size dimension of 0.\n\n\t\treturn target.set(\n\t\t\t( point.x - this.min.x ) / ( this.max.x - this.min.x ),\n\t\t\t( point.y - this.min.y ) / ( this.max.y - this.min.y )\n\t\t);\n\n\t}\n\n\tintersectsBox( box ) {\n\n\t\t// using 4 splitting planes to rule out intersections\n\n\t\treturn box.max.x >= this.min.x && box.min.x <= this.max.x &&\n\t\t\tbox.max.y >= this.min.y && box.min.y <= this.max.y;\n\n\t}\n\n\tclampPoint( point, target ) {\n\n\t\treturn target.copy( point ).clamp( this.min, this.max );\n\n\t}\n\n\tdistanceToPoint( point ) {\n\n\t\treturn this.clampPoint( point, _vector$4 ).distanceTo( point );\n\n\t}\n\n\tintersect( box ) {\n\n\t\tthis.min.max( box.min );\n\t\tthis.max.min( box.max );\n\n\t\tif ( this.isEmpty() ) this.makeEmpty();\n\n\t\treturn this;\n\n\t}\n\n\tunion( box ) {\n\n\t\tthis.min.min( box.min );\n\t\tthis.max.max( box.max );\n\n\t\treturn this;\n\n\t}\n\n\ttranslate( offset ) {\n\n\t\tthis.min.add( offset );\n\t\tthis.max.add( offset );\n\n\t\treturn this;\n\n\t}\n\n\tequals( box ) {\n\n\t\treturn box.min.equals( this.min ) && box.max.equals( this.max );\n\n\t}\n\n}\n\nconst _startP = /*@__PURE__*/ new Vector3();\nconst _startEnd = /*@__PURE__*/ new Vector3();\n\nclass Line3 {\n\n\tconstructor( start = new Vector3(), end = new Vector3() ) {\n\n\t\tthis.start = start;\n\t\tthis.end = end;\n\n\t}\n\n\tset( start, end ) {\n\n\t\tthis.start.copy( start );\n\t\tthis.end.copy( end );\n\n\t\treturn this;\n\n\t}\n\n\tcopy( line ) {\n\n\t\tthis.start.copy( line.start );\n\t\tthis.end.copy( line.end );\n\n\t\treturn this;\n\n\t}\n\n\tgetCenter( target ) {\n\n\t\treturn target.addVectors( this.start, this.end ).multiplyScalar( 0.5 );\n\n\t}\n\n\tdelta( target ) {\n\n\t\treturn target.subVectors( this.end, this.start );\n\n\t}\n\n\tdistanceSq() {\n\n\t\treturn this.start.distanceToSquared( this.end );\n\n\t}\n\n\tdistance() {\n\n\t\treturn this.start.distanceTo( this.end );\n\n\t}\n\n\tat( t, target ) {\n\n\t\treturn this.delta( target ).multiplyScalar( t ).add( this.start );\n\n\t}\n\n\tclosestPointToPointParameter( point, clampToLine ) {\n\n\t\t_startP.subVectors( point, this.start );\n\t\t_startEnd.subVectors( this.end, this.start );\n\n\t\tconst startEnd2 = _startEnd.dot( _startEnd );\n\t\tconst startEnd_startP = _startEnd.dot( _startP );\n\n\t\tlet t = startEnd_startP / startEnd2;\n\n\t\tif ( clampToLine ) {\n\n\t\t\tt = clamp( t, 0, 1 );\n\n\t\t}\n\n\t\treturn t;\n\n\t}\n\n\tclosestPointToPoint( point, clampToLine, target ) {\n\n\t\tconst t = this.closestPointToPointParameter( point, clampToLine );\n\n\t\treturn this.delta( target ).multiplyScalar( t ).add( this.start );\n\n\t}\n\n\tapplyMatrix4( matrix ) {\n\n\t\tthis.start.applyMatrix4( matrix );\n\t\tthis.end.applyMatrix4( matrix );\n\n\t\treturn this;\n\n\t}\n\n\tequals( line ) {\n\n\t\treturn line.start.equals( this.start ) && line.end.equals( this.end );\n\n\t}\n\n\tclone() {\n\n\t\treturn new this.constructor().copy( this );\n\n\t}\n\n}\n\nconst _vector$3 = /*@__PURE__*/ new Vector3();\n\nclass SpotLightHelper extends Object3D {\n\n\tconstructor( light, color ) {\n\n\t\tsuper();\n\n\t\tthis.light = light;\n\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.color = color;\n\n\t\tthis.type = 'SpotLightHelper';\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tconst positions = [\n\t\t\t0, 0, 0, \t0, 0, 1,\n\t\t\t0, 0, 0, \t1, 0, 1,\n\t\t\t0, 0, 0,\t- 1, 0, 1,\n\t\t\t0, 0, 0, \t0, 1, 1,\n\t\t\t0, 0, 0, \t0, - 1, 1\n\t\t];\n\n\t\tfor ( let i = 0, j = 1, l = 32; i < l; i ++, j ++ ) {\n\n\t\t\tconst p1 = ( i / l ) * Math.PI * 2;\n\t\t\tconst p2 = ( j / l ) * Math.PI * 2;\n\n\t\t\tpositions.push(\n\t\t\t\tMath.cos( p1 ), Math.sin( p1 ), 1,\n\t\t\t\tMath.cos( p2 ), Math.sin( p2 ), 1\n\t\t\t);\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { fog: false, toneMapped: false } );\n\n\t\tthis.cone = new LineSegments( geometry, material );\n\t\tthis.add( this.cone );\n\n\t\tthis.update();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.cone.geometry.dispose();\n\t\tthis.cone.material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tthis.light.updateWorldMatrix( true, false );\n\t\tthis.light.target.updateWorldMatrix( true, false );\n\n\t\t// update the local matrix based on the parent and light target transforms\n\t\tif ( this.parent ) {\n\n\t\t\tthis.parent.updateWorldMatrix( true );\n\n\t\t\tthis.matrix\n\t\t\t\t.copy( this.parent.matrixWorld )\n\t\t\t\t.invert()\n\t\t\t\t.multiply( this.light.matrixWorld );\n\n\t\t} else {\n\n\t\t\tthis.matrix.copy( this.light.matrixWorld );\n\n\t\t}\n\n\t\tthis.matrixWorld.copy( this.light.matrixWorld );\n\n\t\tconst coneLength = this.light.distance ? this.light.distance : 1000;\n\t\tconst coneWidth = coneLength * Math.tan( this.light.angle );\n\n\t\tthis.cone.scale.set( coneWidth, coneWidth, coneLength );\n\n\t\t_vector$3.setFromMatrixPosition( this.light.target.matrixWorld );\n\n\t\tthis.cone.lookAt( _vector$3 );\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.cone.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.cone.material.color.copy( this.light.color );\n\n\t\t}\n\n\t}\n\n}\n\nconst _vector$2 = /*@__PURE__*/ new Vector3();\nconst _boneMatrix = /*@__PURE__*/ new Matrix4();\nconst _matrixWorldInv = /*@__PURE__*/ new Matrix4();\n\n\nclass SkeletonHelper extends LineSegments {\n\n\tconstructor( object ) {\n\n\t\tconst bones = getBoneList( object );\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\tconst color1 = new Color( 0, 0, 1 );\n\t\tconst color2 = new Color( 0, 1, 0 );\n\n\t\tfor ( let i = 0; i < bones.length; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\n\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\tvertices.push( 0, 0, 0 );\n\t\t\t\tvertices.push( 0, 0, 0 );\n\t\t\t\tcolors.push( color1.r, color1.g, color1.b );\n\t\t\t\tcolors.push( color2.r, color2.g, color2.b );\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, depthTest: false, depthWrite: false, toneMapped: false, transparent: true } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.isSkeletonHelper = true;\n\n\t\tthis.type = 'SkeletonHelper';\n\n\t\tthis.root = object;\n\t\tthis.bones = bones;\n\n\t\tthis.matrix = object.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tconst bones = this.bones;\n\n\t\tconst geometry = this.geometry;\n\t\tconst position = geometry.getAttribute( 'position' );\n\n\t\t_matrixWorldInv.copy( this.root.matrixWorld ).invert();\n\n\t\tfor ( let i = 0, j = 0; i < bones.length; i ++ ) {\n\n\t\t\tconst bone = bones[ i ];\n\n\t\t\tif ( bone.parent && bone.parent.isBone ) {\n\n\t\t\t\t_boneMatrix.multiplyMatrices( _matrixWorldInv, bone.matrixWorld );\n\t\t\t\t_vector$2.setFromMatrixPosition( _boneMatrix );\n\t\t\t\tposition.setXYZ( j, _vector$2.x, _vector$2.y, _vector$2.z );\n\n\t\t\t\t_boneMatrix.multiplyMatrices( _matrixWorldInv, bone.parent.matrixWorld );\n\t\t\t\t_vector$2.setFromMatrixPosition( _boneMatrix );\n\t\t\t\tposition.setXYZ( j + 1, _vector$2.x, _vector$2.y, _vector$2.z );\n\n\t\t\t\tj += 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tgeometry.getAttribute( 'position' ).needsUpdate = true;\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\n\nfunction getBoneList( object ) {\n\n\tconst boneList = [];\n\n\tif ( object.isBone === true ) {\n\n\t\tboneList.push( object );\n\n\t}\n\n\tfor ( let i = 0; i < object.children.length; i ++ ) {\n\n\t\tboneList.push.apply( boneList, getBoneList( object.children[ i ] ) );\n\n\t}\n\n\treturn boneList;\n\n}\n\nclass PointLightHelper extends Mesh {\n\n\tconstructor( light, sphereSize, color ) {\n\n\t\tconst geometry = new SphereGeometry( sphereSize, 4, 2 );\n\t\tconst material = new MeshBasicMaterial( { wireframe: true, fog: false, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.light = light;\n\n\t\tthis.color = color;\n\n\t\tthis.type = 'PointLightHelper';\n\n\t\tthis.matrix = this.light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\n\t\t/*\n\t// TODO: delete this comment?\n\tconst distanceGeometry = new THREE.IcosahedronGeometry( 1, 2 );\n\tconst distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } );\n\n\tthis.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial );\n\tthis.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial );\n\n\tconst d = light.distance;\n\n\tif ( d === 0.0 ) {\n\n\t\tthis.lightDistance.visible = false;\n\n\t} else {\n\n\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t}\n\n\tthis.add( this.lightDistance );\n\t*/\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tthis.light.updateWorldMatrix( true, false );\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.material.color.copy( this.light.color );\n\n\t\t}\n\n\t\t/*\n\t\tconst d = this.light.distance;\n\n\t\tif ( d === 0.0 ) {\n\n\t\t\tthis.lightDistance.visible = false;\n\n\t\t} else {\n\n\t\t\tthis.lightDistance.visible = true;\n\t\t\tthis.lightDistance.scale.set( d, d, d );\n\n\t\t}\n\t\t*/\n\n\t}\n\n}\n\nconst _vector$1 = /*@__PURE__*/ new Vector3();\nconst _color1 = /*@__PURE__*/ new Color();\nconst _color2 = /*@__PURE__*/ new Color();\n\nclass HemisphereLightHelper extends Object3D {\n\n\tconstructor( light, size, color ) {\n\n\t\tsuper();\n\n\t\tthis.light = light;\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.color = color;\n\n\t\tthis.type = 'HemisphereLightHelper';\n\n\t\tconst geometry = new OctahedronGeometry( size );\n\t\tgeometry.rotateY( Math.PI * 0.5 );\n\n\t\tthis.material = new MeshBasicMaterial( { wireframe: true, fog: false, toneMapped: false } );\n\t\tif ( this.color === undefined ) this.material.vertexColors = true;\n\n\t\tconst position = geometry.getAttribute( 'position' );\n\t\tconst colors = new Float32Array( position.count * 3 );\n\n\t\tgeometry.setAttribute( 'color', new BufferAttribute( colors, 3 ) );\n\n\t\tthis.add( new Mesh( geometry, this.material ) );\n\n\t\tthis.update();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.children[ 0 ].geometry.dispose();\n\t\tthis.children[ 0 ].material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tconst mesh = this.children[ 0 ];\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tconst colors = mesh.geometry.getAttribute( 'color' );\n\n\t\t\t_color1.copy( this.light.color );\n\t\t\t_color2.copy( this.light.groundColor );\n\n\t\t\tfor ( let i = 0, l = colors.count; i < l; i ++ ) {\n\n\t\t\t\tconst color = ( i < ( l / 2 ) ) ? _color1 : _color2;\n\n\t\t\t\tcolors.setXYZ( i, color.r, color.g, color.b );\n\n\t\t\t}\n\n\t\t\tcolors.needsUpdate = true;\n\n\t\t}\n\n\t\tthis.light.updateWorldMatrix( true, false );\n\n\t\tmesh.lookAt( _vector$1.setFromMatrixPosition( this.light.matrixWorld ).negate() );\n\n\t}\n\n}\n\nclass GridHelper extends LineSegments {\n\n\tconstructor( size = 10, divisions = 10, color1 = 0x444444, color2 = 0x888888 ) {\n\n\t\tcolor1 = new Color( color1 );\n\t\tcolor2 = new Color( color2 );\n\n\t\tconst center = divisions / 2;\n\t\tconst step = size / divisions;\n\t\tconst halfSize = size / 2;\n\n\t\tconst vertices = [], colors = [];\n\n\t\tfor ( let i = 0, j = 0, k = - halfSize; i <= divisions; i ++, k += step ) {\n\n\t\t\tvertices.push( - halfSize, 0, k, halfSize, 0, k );\n\t\t\tvertices.push( k, 0, - halfSize, k, 0, halfSize );\n\n\t\t\tconst color = i === center ? color1 : color2;\n\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\t\t\tcolor.toArray( colors, j ); j += 3;\n\n\t\t}\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'GridHelper';\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\nclass PolarGridHelper extends LineSegments {\n\n\tconstructor( radius = 10, sectors = 16, rings = 8, divisions = 64, color1 = 0x444444, color2 = 0x888888 ) {\n\n\t\tcolor1 = new Color( color1 );\n\t\tcolor2 = new Color( color2 );\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\t// create the sectors\n\n\t\tif ( sectors > 1 ) {\n\n\t\t\tfor ( let i = 0; i < sectors; i ++ ) {\n\n\t\t\t\tconst v = ( i / sectors ) * ( Math.PI * 2 );\n\n\t\t\t\tconst x = Math.sin( v ) * radius;\n\t\t\t\tconst z = Math.cos( v ) * radius;\n\n\t\t\t\tvertices.push( 0, 0, 0 );\n\t\t\t\tvertices.push( x, 0, z );\n\n\t\t\t\tconst color = ( i & 1 ) ? color1 : color2;\n\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// create the rings\n\n\t\tfor ( let i = 0; i < rings; i ++ ) {\n\n\t\t\tconst color = ( i & 1 ) ? color1 : color2;\n\n\t\t\tconst r = radius - ( radius / rings * i );\n\n\t\t\tfor ( let j = 0; j < divisions; j ++ ) {\n\n\t\t\t\t// first vertex\n\n\t\t\t\tlet v = ( j / divisions ) * ( Math.PI * 2 );\n\n\t\t\t\tlet x = Math.sin( v ) * r;\n\t\t\t\tlet z = Math.cos( v ) * r;\n\n\t\t\t\tvertices.push( x, 0, z );\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\t\t// second vertex\n\n\t\t\t\tv = ( ( j + 1 ) / divisions ) * ( Math.PI * 2 );\n\n\t\t\t\tx = Math.sin( v ) * r;\n\t\t\t\tz = Math.cos( v ) * r;\n\n\t\t\t\tvertices.push( x, 0, z );\n\t\t\t\tcolors.push( color.r, color.g, color.b );\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'PolarGridHelper';\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\nconst _v1 = /*@__PURE__*/ new Vector3();\nconst _v2 = /*@__PURE__*/ new Vector3();\nconst _v3 = /*@__PURE__*/ new Vector3();\n\nclass DirectionalLightHelper extends Object3D {\n\n\tconstructor( light, size, color ) {\n\n\t\tsuper();\n\n\t\tthis.light = light;\n\n\t\tthis.matrix = light.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.color = color;\n\n\t\tthis.type = 'DirectionalLightHelper';\n\n\t\tif ( size === undefined ) size = 1;\n\n\t\tlet geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( [\n\t\t\t- size, size, 0,\n\t\t\tsize, size, 0,\n\t\t\tsize, - size, 0,\n\t\t\t- size, - size, 0,\n\t\t\t- size, size, 0\n\t\t], 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { fog: false, toneMapped: false } );\n\n\t\tthis.lightPlane = new Line( geometry, material );\n\t\tthis.add( this.lightPlane );\n\n\t\tgeometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) );\n\n\t\tthis.targetLine = new Line( geometry, material );\n\t\tthis.add( this.targetLine );\n\n\t\tthis.update();\n\n\t}\n\n\tdispose() {\n\n\t\tthis.lightPlane.geometry.dispose();\n\t\tthis.lightPlane.material.dispose();\n\t\tthis.targetLine.geometry.dispose();\n\t\tthis.targetLine.material.dispose();\n\n\t}\n\n\tupdate() {\n\n\t\tthis.light.updateWorldMatrix( true, false );\n\t\tthis.light.target.updateWorldMatrix( true, false );\n\n\t\t_v1.setFromMatrixPosition( this.light.matrixWorld );\n\t\t_v2.setFromMatrixPosition( this.light.target.matrixWorld );\n\t\t_v3.subVectors( _v2, _v1 );\n\n\t\tthis.lightPlane.lookAt( _v2 );\n\n\t\tif ( this.color !== undefined ) {\n\n\t\t\tthis.lightPlane.material.color.set( this.color );\n\t\t\tthis.targetLine.material.color.set( this.color );\n\n\t\t} else {\n\n\t\t\tthis.lightPlane.material.color.copy( this.light.color );\n\t\t\tthis.targetLine.material.color.copy( this.light.color );\n\n\t\t}\n\n\t\tthis.targetLine.lookAt( _v2 );\n\t\tthis.targetLine.scale.z = _v3.length();\n\n\t}\n\n}\n\nconst _vector = /*@__PURE__*/ new Vector3();\nconst _camera = /*@__PURE__*/ new Camera();\n\n/**\n *\t- shows frustum, line of sight and up of the camera\n *\t- suitable for fast updates\n * \t- based on frustum visualization in lightgl.js shadowmap example\n *\t\thttps://github.com/evanw/lightgl.js/blob/master/tests/shadowmap.html\n */\n\nclass CameraHelper extends LineSegments {\n\n\tconstructor( camera ) {\n\n\t\tconst geometry = new BufferGeometry();\n\t\tconst material = new LineBasicMaterial( { color: 0xffffff, vertexColors: true, toneMapped: false } );\n\n\t\tconst vertices = [];\n\t\tconst colors = [];\n\n\t\tconst pointMap = {};\n\n\t\t// near\n\n\t\taddLine( 'n1', 'n2' );\n\t\taddLine( 'n2', 'n4' );\n\t\taddLine( 'n4', 'n3' );\n\t\taddLine( 'n3', 'n1' );\n\n\t\t// far\n\n\t\taddLine( 'f1', 'f2' );\n\t\taddLine( 'f2', 'f4' );\n\t\taddLine( 'f4', 'f3' );\n\t\taddLine( 'f3', 'f1' );\n\n\t\t// sides\n\n\t\taddLine( 'n1', 'f1' );\n\t\taddLine( 'n2', 'f2' );\n\t\taddLine( 'n3', 'f3' );\n\t\taddLine( 'n4', 'f4' );\n\n\t\t// cone\n\n\t\taddLine( 'p', 'n1' );\n\t\taddLine( 'p', 'n2' );\n\t\taddLine( 'p', 'n3' );\n\t\taddLine( 'p', 'n4' );\n\n\t\t// up\n\n\t\taddLine( 'u1', 'u2' );\n\t\taddLine( 'u2', 'u3' );\n\t\taddLine( 'u3', 'u1' );\n\n\t\t// target\n\n\t\taddLine( 'c', 't' );\n\t\taddLine( 'p', 'c' );\n\n\t\t// cross\n\n\t\taddLine( 'cn1', 'cn2' );\n\t\taddLine( 'cn3', 'cn4' );\n\n\t\taddLine( 'cf1', 'cf2' );\n\t\taddLine( 'cf3', 'cf4' );\n\n\t\tfunction addLine( a, b ) {\n\n\t\t\taddPoint( a );\n\t\t\taddPoint( b );\n\n\t\t}\n\n\t\tfunction addPoint( id ) {\n\n\t\t\tvertices.push( 0, 0, 0 );\n\t\t\tcolors.push( 0, 0, 0 );\n\n\t\t\tif ( pointMap[ id ] === undefined ) {\n\n\t\t\t\tpointMap[ id ] = [];\n\n\t\t\t}\n\n\t\t\tpointMap[ id ].push( ( vertices.length / 3 ) - 1 );\n\n\t\t}\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'CameraHelper';\n\n\t\tthis.camera = camera;\n\t\tif ( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix();\n\n\t\tthis.matrix = camera.matrixWorld;\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.pointMap = pointMap;\n\n\t\tthis.update();\n\n\t\t// colors\n\n\t\tconst colorFrustum = new Color( 0xffaa00 );\n\t\tconst colorCone = new Color( 0xff0000 );\n\t\tconst colorUp = new Color( 0x00aaff );\n\t\tconst colorTarget = new Color( 0xffffff );\n\t\tconst colorCross = new Color( 0x333333 );\n\n\t\tthis.setColors( colorFrustum, colorCone, colorUp, colorTarget, colorCross );\n\n\t}\n\n\tsetColors( frustum, cone, up, target, cross ) {\n\n\t\tconst geometry = this.geometry;\n\n\t\tconst colorAttribute = geometry.getAttribute( 'color' );\n\n\t\t// near\n\n\t\tcolorAttribute.setXYZ( 0, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 1, frustum.r, frustum.g, frustum.b ); // n1, n2\n\t\tcolorAttribute.setXYZ( 2, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 3, frustum.r, frustum.g, frustum.b ); // n2, n4\n\t\tcolorAttribute.setXYZ( 4, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 5, frustum.r, frustum.g, frustum.b ); // n4, n3\n\t\tcolorAttribute.setXYZ( 6, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 7, frustum.r, frustum.g, frustum.b ); // n3, n1\n\n\t\t// far\n\n\t\tcolorAttribute.setXYZ( 8, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 9, frustum.r, frustum.g, frustum.b ); // f1, f2\n\t\tcolorAttribute.setXYZ( 10, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 11, frustum.r, frustum.g, frustum.b ); // f2, f4\n\t\tcolorAttribute.setXYZ( 12, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 13, frustum.r, frustum.g, frustum.b ); // f4, f3\n\t\tcolorAttribute.setXYZ( 14, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 15, frustum.r, frustum.g, frustum.b ); // f3, f1\n\n\t\t// sides\n\n\t\tcolorAttribute.setXYZ( 16, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 17, frustum.r, frustum.g, frustum.b ); // n1, f1\n\t\tcolorAttribute.setXYZ( 18, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 19, frustum.r, frustum.g, frustum.b ); // n2, f2\n\t\tcolorAttribute.setXYZ( 20, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 21, frustum.r, frustum.g, frustum.b ); // n3, f3\n\t\tcolorAttribute.setXYZ( 22, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 23, frustum.r, frustum.g, frustum.b ); // n4, f4\n\n\t\t// cone\n\n\t\tcolorAttribute.setXYZ( 24, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 25, cone.r, cone.g, cone.b ); // p, n1\n\t\tcolorAttribute.setXYZ( 26, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 27, cone.r, cone.g, cone.b ); // p, n2\n\t\tcolorAttribute.setXYZ( 28, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 29, cone.r, cone.g, cone.b ); // p, n3\n\t\tcolorAttribute.setXYZ( 30, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 31, cone.r, cone.g, cone.b ); // p, n4\n\n\t\t// up\n\n\t\tcolorAttribute.setXYZ( 32, up.r, up.g, up.b ); colorAttribute.setXYZ( 33, up.r, up.g, up.b ); // u1, u2\n\t\tcolorAttribute.setXYZ( 34, up.r, up.g, up.b ); colorAttribute.setXYZ( 35, up.r, up.g, up.b ); // u2, u3\n\t\tcolorAttribute.setXYZ( 36, up.r, up.g, up.b ); colorAttribute.setXYZ( 37, up.r, up.g, up.b ); // u3, u1\n\n\t\t// target\n\n\t\tcolorAttribute.setXYZ( 38, target.r, target.g, target.b ); colorAttribute.setXYZ( 39, target.r, target.g, target.b ); // c, t\n\t\tcolorAttribute.setXYZ( 40, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 41, cross.r, cross.g, cross.b ); // p, c\n\n\t\t// cross\n\n\t\tcolorAttribute.setXYZ( 42, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 43, cross.r, cross.g, cross.b ); // cn1, cn2\n\t\tcolorAttribute.setXYZ( 44, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 45, cross.r, cross.g, cross.b ); // cn3, cn4\n\n\t\tcolorAttribute.setXYZ( 46, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 47, cross.r, cross.g, cross.b ); // cf1, cf2\n\t\tcolorAttribute.setXYZ( 48, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 49, cross.r, cross.g, cross.b ); // cf3, cf4\n\n\t\tcolorAttribute.needsUpdate = true;\n\n\t}\n\n\tupdate() {\n\n\t\tconst geometry = this.geometry;\n\t\tconst pointMap = this.pointMap;\n\n\t\tconst w = 1, h = 1;\n\n\t\t// we need just camera projection matrix inverse\n\t\t// world matrix must be identity\n\n\t\t_camera.projectionMatrixInverse.copy( this.camera.projectionMatrixInverse );\n\n\t\t// Adjust z values based on coordinate system\n\t\tconst nearZ = this.camera.coordinateSystem === WebGLCoordinateSystem ? - 1 : 0;\n\n\t\t// center / target\n\t\tsetPoint( 'c', pointMap, geometry, _camera, 0, 0, nearZ );\n\t\tsetPoint( 't', pointMap, geometry, _camera, 0, 0, 1 );\n\n\t\t// near\n\n\t\tsetPoint( 'n1', pointMap, geometry, _camera, - w, - h, nearZ );\n\t\tsetPoint( 'n2', pointMap, geometry, _camera, w, - h, nearZ );\n\t\tsetPoint( 'n3', pointMap, geometry, _camera, - w, h, nearZ );\n\t\tsetPoint( 'n4', pointMap, geometry, _camera, w, h, nearZ );\n\n\t\t// far\n\n\t\tsetPoint( 'f1', pointMap, geometry, _camera, - w, - h, 1 );\n\t\tsetPoint( 'f2', pointMap, geometry, _camera, w, - h, 1 );\n\t\tsetPoint( 'f3', pointMap, geometry, _camera, - w, h, 1 );\n\t\tsetPoint( 'f4', pointMap, geometry, _camera, w, h, 1 );\n\n\t\t// up\n\n\t\tsetPoint( 'u1', pointMap, geometry, _camera, w * 0.7, h * 1.1, nearZ );\n\t\tsetPoint( 'u2', pointMap, geometry, _camera, - w * 0.7, h * 1.1, nearZ );\n\t\tsetPoint( 'u3', pointMap, geometry, _camera, 0, h * 2, nearZ );\n\n\t\t// cross\n\n\t\tsetPoint( 'cf1', pointMap, geometry, _camera, - w, 0, 1 );\n\t\tsetPoint( 'cf2', pointMap, geometry, _camera, w, 0, 1 );\n\t\tsetPoint( 'cf3', pointMap, geometry, _camera, 0, - h, 1 );\n\t\tsetPoint( 'cf4', pointMap, geometry, _camera, 0, h, 1 );\n\n\t\tsetPoint( 'cn1', pointMap, geometry, _camera, - w, 0, nearZ );\n\t\tsetPoint( 'cn2', pointMap, geometry, _camera, w, 0, nearZ );\n\t\tsetPoint( 'cn3', pointMap, geometry, _camera, 0, - h, nearZ );\n\t\tsetPoint( 'cn4', pointMap, geometry, _camera, 0, h, nearZ );\n\n\t\tgeometry.getAttribute( 'position' ).needsUpdate = true;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\n\nfunction setPoint( point, pointMap, geometry, camera, x, y, z ) {\n\n\t_vector.set( x, y, z ).unproject( camera );\n\n\tconst points = pointMap[ point ];\n\n\tif ( points !== undefined ) {\n\n\t\tconst position = geometry.getAttribute( 'position' );\n\n\t\tfor ( let i = 0, l = points.length; i < l; i ++ ) {\n\n\t\t\tposition.setXYZ( points[ i ], _vector.x, _vector.y, _vector.z );\n\n\t\t}\n\n\t}\n\n}\n\nconst _box = /*@__PURE__*/ new Box3();\n\nclass BoxHelper extends LineSegments {\n\n\tconstructor( object, color = 0xffff00 ) {\n\n\t\tconst indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\t\tconst positions = new Float32Array( 8 * 3 );\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\t\tgeometry.setAttribute( 'position', new BufferAttribute( positions, 3 ) );\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.object = object;\n\t\tthis.type = 'BoxHelper';\n\n\t\tthis.matrixAutoUpdate = false;\n\n\t\tthis.update();\n\n\t}\n\n\tupdate( object ) {\n\n\t\tif ( object !== undefined ) {\n\n\t\t\tconsole.warn( 'THREE.BoxHelper: .update() has no longer arguments.' );\n\n\t\t}\n\n\t\tif ( this.object !== undefined ) {\n\n\t\t\t_box.setFromObject( this.object );\n\n\t\t}\n\n\t\tif ( _box.isEmpty() ) return;\n\n\t\tconst min = _box.min;\n\t\tconst max = _box.max;\n\n\t\t/*\n\t\t\t5____4\n\t\t1/___0/|\n\t\t| 6__|_7\n\t\t2/___3/\n\n\t\t0: max.x, max.y, max.z\n\t\t1: min.x, max.y, max.z\n\t\t2: min.x, min.y, max.z\n\t\t3: max.x, min.y, max.z\n\t\t4: max.x, max.y, min.z\n\t\t5: min.x, max.y, min.z\n\t\t6: min.x, min.y, min.z\n\t\t7: max.x, min.y, min.z\n\t\t*/\n\n\t\tconst position = this.geometry.attributes.position;\n\t\tconst array = position.array;\n\n\t\tarray[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z;\n\t\tarray[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z;\n\t\tarray[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z;\n\t\tarray[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z;\n\t\tarray[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z;\n\t\tarray[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z;\n\t\tarray[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z;\n\t\tarray[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z;\n\n\t\tposition.needsUpdate = true;\n\n\t\tthis.geometry.computeBoundingSphere();\n\n\t}\n\n\tsetFromObject( object ) {\n\n\t\tthis.object = object;\n\t\tthis.update();\n\n\t\treturn this;\n\n\t}\n\n\tcopy( source, recursive ) {\n\n\t\tsuper.copy( source, recursive );\n\n\t\tthis.object = source.object;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\nclass Box3Helper extends LineSegments {\n\n\tconstructor( box, color = 0xffff00 ) {\n\n\t\tconst indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] );\n\n\t\tconst positions = [ 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, - 1, 1, 1, 1, - 1, - 1, 1, - 1, - 1, - 1, - 1, 1, - 1, - 1 ];\n\n\t\tconst geometry = new BufferGeometry();\n\n\t\tgeometry.setIndex( new BufferAttribute( indices, 1 ) );\n\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.box = box;\n\n\t\tthis.type = 'Box3Helper';\n\n\t\tthis.geometry.computeBoundingSphere();\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tconst box = this.box;\n\n\t\tif ( box.isEmpty() ) return;\n\n\t\tbox.getCenter( this.position );\n\n\t\tbox.getSize( this.scale );\n\n\t\tthis.scale.multiplyScalar( 0.5 );\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\nclass PlaneHelper extends Line {\n\n\tconstructor( plane, size = 1, hex = 0xffff00 ) {\n\n\t\tconst color = hex;\n\n\t\tconst positions = [ 1, - 1, 0, - 1, 1, 0, - 1, - 1, 0, 1, 1, 0, - 1, 1, 0, - 1, - 1, 0, 1, - 1, 0, 1, 1, 0 ];\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) );\n\t\tgeometry.computeBoundingSphere();\n\n\t\tsuper( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\n\t\tthis.type = 'PlaneHelper';\n\n\t\tthis.plane = plane;\n\n\t\tthis.size = size;\n\n\t\tconst positions2 = [ 1, 1, 0, - 1, 1, 0, - 1, - 1, 0, 1, 1, 0, - 1, - 1, 0, 1, - 1, 0 ];\n\n\t\tconst geometry2 = new BufferGeometry();\n\t\tgeometry2.setAttribute( 'position', new Float32BufferAttribute( positions2, 3 ) );\n\t\tgeometry2.computeBoundingSphere();\n\n\t\tthis.add( new Mesh( geometry2, new MeshBasicMaterial( { color: color, opacity: 0.2, transparent: true, depthWrite: false, toneMapped: false } ) ) );\n\n\t}\n\n\tupdateMatrixWorld( force ) {\n\n\t\tthis.position.set( 0, 0, 0 );\n\n\t\tthis.scale.set( 0.5 * this.size, 0.5 * this.size, 1 );\n\n\t\tthis.lookAt( this.plane.normal );\n\n\t\tthis.translateZ( - this.plane.constant );\n\n\t\tsuper.updateMatrixWorld( force );\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\t\tthis.children[ 0 ].geometry.dispose();\n\t\tthis.children[ 0 ].material.dispose();\n\n\t}\n\n}\n\nconst _axis = /*@__PURE__*/ new Vector3();\nlet _lineGeometry, _coneGeometry;\n\nclass ArrowHelper extends Object3D {\n\n\t// dir is assumed to be normalized\n\n\tconstructor( dir = new Vector3( 0, 0, 1 ), origin = new Vector3( 0, 0, 0 ), length = 1, color = 0xffff00, headLength = length * 0.2, headWidth = headLength * 0.2 ) {\n\n\t\tsuper();\n\n\t\tthis.type = 'ArrowHelper';\n\n\t\tif ( _lineGeometry === undefined ) {\n\n\t\t\t_lineGeometry = new BufferGeometry();\n\t\t\t_lineGeometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) );\n\n\t\t\t_coneGeometry = new CylinderGeometry( 0, 0.5, 1, 5, 1 );\n\t\t\t_coneGeometry.translate( 0, - 0.5, 0 );\n\n\t\t}\n\n\t\tthis.position.copy( origin );\n\n\t\tthis.line = new Line( _lineGeometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );\n\t\tthis.line.matrixAutoUpdate = false;\n\t\tthis.add( this.line );\n\n\t\tthis.cone = new Mesh( _coneGeometry, new MeshBasicMaterial( { color: color, toneMapped: false } ) );\n\t\tthis.cone.matrixAutoUpdate = false;\n\t\tthis.add( this.cone );\n\n\t\tthis.setDirection( dir );\n\t\tthis.setLength( length, headLength, headWidth );\n\n\t}\n\n\tsetDirection( dir ) {\n\n\t\t// dir is assumed to be normalized\n\n\t\tif ( dir.y > 0.99999 ) {\n\n\t\t\tthis.quaternion.set( 0, 0, 0, 1 );\n\n\t\t} else if ( dir.y < - 0.99999 ) {\n\n\t\t\tthis.quaternion.set( 1, 0, 0, 0 );\n\n\t\t} else {\n\n\t\t\t_axis.set( dir.z, 0, - dir.x ).normalize();\n\n\t\t\tconst radians = Math.acos( dir.y );\n\n\t\t\tthis.quaternion.setFromAxisAngle( _axis, radians );\n\n\t\t}\n\n\t}\n\n\tsetLength( length, headLength = length * 0.2, headWidth = headLength * 0.2 ) {\n\n\t\tthis.line.scale.set( 1, Math.max( 0.0001, length - headLength ), 1 ); // see #17458\n\t\tthis.line.updateMatrix();\n\n\t\tthis.cone.scale.set( headWidth, headLength, headWidth );\n\t\tthis.cone.position.y = length;\n\t\tthis.cone.updateMatrix();\n\n\t}\n\n\tsetColor( color ) {\n\n\t\tthis.line.material.color.set( color );\n\t\tthis.cone.material.color.set( color );\n\n\t}\n\n\tcopy( source ) {\n\n\t\tsuper.copy( source, false );\n\n\t\tthis.line.copy( source.line );\n\t\tthis.cone.copy( source.cone );\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.line.geometry.dispose();\n\t\tthis.line.material.dispose();\n\t\tthis.cone.geometry.dispose();\n\t\tthis.cone.material.dispose();\n\n\t}\n\n}\n\nclass AxesHelper extends LineSegments {\n\n\tconstructor( size = 1 ) {\n\n\t\tconst vertices = [\n\t\t\t0, 0, 0,\tsize, 0, 0,\n\t\t\t0, 0, 0,\t0, size, 0,\n\t\t\t0, 0, 0,\t0, 0, size\n\t\t];\n\n\t\tconst colors = [\n\t\t\t1, 0, 0,\t1, 0.6, 0,\n\t\t\t0, 1, 0,\t0.6, 1, 0,\n\t\t\t0, 0, 1,\t0, 0.6, 1\n\t\t];\n\n\t\tconst geometry = new BufferGeometry();\n\t\tgeometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );\n\t\tgeometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );\n\n\t\tconst material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } );\n\n\t\tsuper( geometry, material );\n\n\t\tthis.type = 'AxesHelper';\n\n\t}\n\n\tsetColors( xAxisColor, yAxisColor, zAxisColor ) {\n\n\t\tconst color = new Color();\n\t\tconst array = this.geometry.attributes.color.array;\n\n\t\tcolor.set( xAxisColor );\n\t\tcolor.toArray( array, 0 );\n\t\tcolor.toArray( array, 3 );\n\n\t\tcolor.set( yAxisColor );\n\t\tcolor.toArray( array, 6 );\n\t\tcolor.toArray( array, 9 );\n\n\t\tcolor.set( zAxisColor );\n\t\tcolor.toArray( array, 12 );\n\t\tcolor.toArray( array, 15 );\n\n\t\tthis.geometry.attributes.color.needsUpdate = true;\n\n\t\treturn this;\n\n\t}\n\n\tdispose() {\n\n\t\tthis.geometry.dispose();\n\t\tthis.material.dispose();\n\n\t}\n\n}\n\nclass ShapePath {\n\n\tconstructor() {\n\n\t\tthis.type = 'ShapePath';\n\n\t\tthis.color = new Color();\n\n\t\tthis.subPaths = [];\n\t\tthis.currentPath = null;\n\n\t}\n\n\tmoveTo( x, y ) {\n\n\t\tthis.currentPath = new Path();\n\t\tthis.subPaths.push( this.currentPath );\n\t\tthis.currentPath.moveTo( x, y );\n\n\t\treturn this;\n\n\t}\n\n\tlineTo( x, y ) {\n\n\t\tthis.currentPath.lineTo( x, y );\n\n\t\treturn this;\n\n\t}\n\n\tquadraticCurveTo( aCPx, aCPy, aX, aY ) {\n\n\t\tthis.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tbezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) {\n\n\t\tthis.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY );\n\n\t\treturn this;\n\n\t}\n\n\tsplineThru( pts ) {\n\n\t\tthis.currentPath.splineThru( pts );\n\n\t\treturn this;\n\n\t}\n\n\ttoShapes( isCCW ) {\n\n\t\tfunction toShapesNoHoles( inSubpaths ) {\n\n\t\t\tconst shapes = [];\n\n\t\t\tfor ( let i = 0, l = inSubpaths.length; i < l; i ++ ) {\n\n\t\t\t\tconst tmpPath = inSubpaths[ i ];\n\n\t\t\t\tconst tmpShape = new Shape();\n\t\t\t\ttmpShape.curves = tmpPath.curves;\n\n\t\t\t\tshapes.push( tmpShape );\n\n\t\t\t}\n\n\t\t\treturn shapes;\n\n\t\t}\n\n\t\tfunction isPointInsidePolygon( inPt, inPolygon ) {\n\n\t\t\tconst polyLen = inPolygon.length;\n\n\t\t\t// inPt on polygon contour => immediate success or\n\t\t\t// toggling of inside/outside at every single! intersection point of an edge\n\t\t\t// with the horizontal line through inPt, left of inPt\n\t\t\t// not counting lowerY endpoints of edges and whole edges on that line\n\t\t\tlet inside = false;\n\t\t\tfor ( let p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) {\n\n\t\t\t\tlet edgeLowPt = inPolygon[ p ];\n\t\t\t\tlet edgeHighPt = inPolygon[ q ];\n\n\t\t\t\tlet edgeDx = edgeHighPt.x - edgeLowPt.x;\n\t\t\t\tlet edgeDy = edgeHighPt.y - edgeLowPt.y;\n\n\t\t\t\tif ( Math.abs( edgeDy ) > Number.EPSILON ) {\n\n\t\t\t\t\t// not parallel\n\t\t\t\t\tif ( edgeDy < 0 ) {\n\n\t\t\t\t\t\tedgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx;\n\t\t\t\t\t\tedgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) \t\tcontinue;\n\n\t\t\t\t\tif ( inPt.y === edgeLowPt.y ) {\n\n\t\t\t\t\t\tif ( inPt.x === edgeLowPt.x )\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\t// continue;\t\t\t\t// no intersection or edgeLowPt => doesn't count !!!\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tconst perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y );\n\t\t\t\t\t\tif ( perpEdge === 0 )\t\t\t\treturn\ttrue;\t\t// inPt is on contour ?\n\t\t\t\t\t\tif ( perpEdge < 0 ) \t\t\t\tcontinue;\n\t\t\t\t\t\tinside = ! inside;\t\t// true intersection left of inPt\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// parallel or collinear\n\t\t\t\t\tif ( inPt.y !== edgeLowPt.y ) \t\tcontinue;\t\t\t// parallel\n\t\t\t\t\t// edge lies on the same horizontal line as inPt\n\t\t\t\t\tif ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) ||\n\t\t\t\t\t\t ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) )\t\treturn\ttrue;\t// inPt: Point on contour !\n\t\t\t\t\t// continue;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn\tinside;\n\n\t\t}\n\n\t\tconst isClockWise = ShapeUtils.isClockWise;\n\n\t\tconst subPaths = this.subPaths;\n\t\tif ( subPaths.length === 0 ) return [];\n\n\t\tlet solid, tmpPath, tmpShape;\n\t\tconst shapes = [];\n\n\t\tif ( subPaths.length === 1 ) {\n\n\t\t\ttmpPath = subPaths[ 0 ];\n\t\t\ttmpShape = new Shape();\n\t\t\ttmpShape.curves = tmpPath.curves;\n\t\t\tshapes.push( tmpShape );\n\t\t\treturn shapes;\n\n\t\t}\n\n\t\tlet holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() );\n\t\tholesFirst = isCCW ? ! holesFirst : holesFirst;\n\n\t\t// console.log(\"Holes first\", holesFirst);\n\n\t\tconst betterShapeHoles = [];\n\t\tconst newShapes = [];\n\t\tlet newShapeHoles = [];\n\t\tlet mainIdx = 0;\n\t\tlet tmpPoints;\n\n\t\tnewShapes[ mainIdx ] = undefined;\n\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\tfor ( let i = 0, l = subPaths.length; i < l; i ++ ) {\n\n\t\t\ttmpPath = subPaths[ i ];\n\t\t\ttmpPoints = tmpPath.getPoints();\n\t\t\tsolid = isClockWise( tmpPoints );\n\t\t\tsolid = isCCW ? ! solid : solid;\n\n\t\t\tif ( solid ) {\n\n\t\t\t\tif ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) )\tmainIdx ++;\n\n\t\t\t\tnewShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints };\n\t\t\t\tnewShapes[ mainIdx ].s.curves = tmpPath.curves;\n\n\t\t\t\tif ( holesFirst )\tmainIdx ++;\n\t\t\t\tnewShapeHoles[ mainIdx ] = [];\n\n\t\t\t\t//console.log('cw', i);\n\n\t\t\t} else {\n\n\t\t\t\tnewShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } );\n\n\t\t\t\t//console.log('ccw', i);\n\n\t\t\t}\n\n\t\t}\n\n\t\t// only Holes? -> probably all Shapes with wrong orientation\n\t\tif ( ! newShapes[ 0 ] )\treturn\ttoShapesNoHoles( subPaths );\n\n\n\t\tif ( newShapes.length > 1 ) {\n\n\t\t\tlet ambiguous = false;\n\t\t\tlet toChange = 0;\n\n\t\t\tfor ( let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\tbetterShapeHoles[ sIdx ] = [];\n\n\t\t\t}\n\n\t\t\tfor ( let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) {\n\n\t\t\t\tconst sho = newShapeHoles[ sIdx ];\n\n\t\t\t\tfor ( let hIdx = 0; hIdx < sho.length; hIdx ++ ) {\n\n\t\t\t\t\tconst ho = sho[ hIdx ];\n\t\t\t\t\tlet hole_unassigned = true;\n\n\t\t\t\t\tfor ( let s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) {\n\n\t\t\t\t\t\tif ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) {\n\n\t\t\t\t\t\t\tif ( sIdx !== s2Idx )\ttoChange ++;\n\n\t\t\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\t\t\thole_unassigned = false;\n\t\t\t\t\t\t\t\tbetterShapeHoles[ s2Idx ].push( ho );\n\n\t\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t\tambiguous = true;\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( hole_unassigned ) {\n\n\t\t\t\t\t\tbetterShapeHoles[ sIdx ].push( ho );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( toChange > 0 && ambiguous === false ) {\n\n\t\t\t\tnewShapeHoles = betterShapeHoles;\n\n\t\t\t}\n\n\t\t}\n\n\t\tlet tmpHoles;\n\n\t\tfor ( let i = 0, il = newShapes.length; i < il; i ++ ) {\n\n\t\t\ttmpShape = newShapes[ i ].s;\n\t\t\tshapes.push( tmpShape );\n\t\t\ttmpHoles = newShapeHoles[ i ];\n\n\t\t\tfor ( let j = 0, jl = tmpHoles.length; j < jl; j ++ ) {\n\n\t\t\t\ttmpShape.holes.push( tmpHoles[ j ].h );\n\n\t\t\t}\n\n\t\t}\n\n\t\t//console.log(\"shape\", shapes);\n\n\t\treturn shapes;\n\n\t}\n\n}\n\nclass Controls extends EventDispatcher {\n\n\tconstructor( object, domElement = null ) {\n\n\t\tsuper();\n\n\t\tthis.object = object;\n\t\tthis.domElement = domElement;\n\n\t\tthis.enabled = true;\n\n\t\tthis.state = - 1;\n\n\t\tthis.keys = {};\n\t\tthis.mouseButtons = { LEFT: null, MIDDLE: null, RIGHT: null };\n\t\tthis.touches = { ONE: null, TWO: null };\n\n\t}\n\n\tconnect() {}\n\n\tdisconnect() {}\n\n\tdispose() {}\n\n\tupdate( /* delta */ ) {}\n\n}\n\nfunction contain( texture, aspect ) {\n\n\tconst imageAspect = ( texture.image && texture.image.width ) ? texture.image.width / texture.image.height : 1;\n\n\tif ( imageAspect > aspect ) {\n\n\t\ttexture.repeat.x = 1;\n\t\ttexture.repeat.y = imageAspect / aspect;\n\n\t\ttexture.offset.x = 0;\n\t\ttexture.offset.y = ( 1 - texture.repeat.y ) / 2;\n\n\t} else {\n\n\t\ttexture.repeat.x = aspect / imageAspect;\n\t\ttexture.repeat.y = 1;\n\n\t\ttexture.offset.x = ( 1 - texture.repeat.x ) / 2;\n\t\ttexture.offset.y = 0;\n\n\t}\n\n\treturn texture;\n\n}\n\nfunction cover( texture, aspect ) {\n\n\tconst imageAspect = ( texture.image && texture.image.width ) ? texture.image.width / texture.image.height : 1;\n\n\tif ( imageAspect > aspect ) {\n\n\t\ttexture.repeat.x = aspect / imageAspect;\n\t\ttexture.repeat.y = 1;\n\n\t\ttexture.offset.x = ( 1 - texture.repeat.x ) / 2;\n\t\ttexture.offset.y = 0;\n\n\t} else {\n\n\t\ttexture.repeat.x = 1;\n\t\ttexture.repeat.y = imageAspect / aspect;\n\n\t\ttexture.offset.x = 0;\n\t\ttexture.offset.y = ( 1 - texture.repeat.y ) / 2;\n\n\t}\n\n\treturn texture;\n\n}\n\nfunction fill( texture ) {\n\n\ttexture.repeat.x = 1;\n\ttexture.repeat.y = 1;\n\n\ttexture.offset.x = 0;\n\ttexture.offset.y = 0;\n\n\treturn texture;\n\n}\n\n\n\n/**\n * Given the width, height, format, and type of a texture. Determines how many\n * bytes must be used to represent the texture.\n *\n * @param {Number} width\n * @param {Number} height\n * @param {Number} format\n * @param {Number} type\n * @return {Number} The number of bytes required to represent the texture.\n */\nfunction getByteLength( width, height, format, type ) {\n\n\tconst typeByteLength = getTextureTypeByteLength( type );\n\n\tswitch ( format ) {\n\n\t\t// https://registry.khronos.org/OpenGL-Refpages/es3.0/html/glTexImage2D.xhtml\n\t\tcase AlphaFormat:\n\t\t\treturn width * height;\n\t\tcase LuminanceFormat:\n\t\t\treturn width * height;\n\t\tcase LuminanceAlphaFormat:\n\t\t\treturn width * height * 2;\n\t\tcase RedFormat:\n\t\t\treturn ( ( width * height ) / typeByteLength.components ) * typeByteLength.byteLength;\n\t\tcase RedIntegerFormat:\n\t\t\treturn ( ( width * height ) / typeByteLength.components ) * typeByteLength.byteLength;\n\t\tcase RGFormat:\n\t\t\treturn ( ( width * height * 2 ) / typeByteLength.components ) * typeByteLength.byteLength;\n\t\tcase RGIntegerFormat:\n\t\t\treturn ( ( width * height * 2 ) / typeByteLength.components ) * typeByteLength.byteLength;\n\t\tcase RGBFormat:\n\t\t\treturn ( ( width * height * 3 ) / typeByteLength.components ) * typeByteLength.byteLength;\n\t\tcase RGBAFormat:\n\t\t\treturn ( ( width * height * 4 ) / typeByteLength.components ) * typeByteLength.byteLength;\n\t\tcase RGBAIntegerFormat:\n\t\t\treturn ( ( width * height * 4 ) / typeByteLength.components ) * typeByteLength.byteLength;\n\n\t\t// https://registry.khronos.org/webgl/extensions/WEBGL_compressed_texture_s3tc_srgb/\n\t\tcase RGB_S3TC_DXT1_Format:\n\t\tcase RGBA_S3TC_DXT1_Format:\n\t\t\treturn Math.floor( ( width + 3 ) / 4 ) * Math.floor( ( height + 3 ) / 4 ) * 8;\n\t\tcase RGBA_S3TC_DXT3_Format:\n\t\tcase RGBA_S3TC_DXT5_Format:\n\t\t\treturn Math.floor( ( width + 3 ) / 4 ) * Math.floor( ( height + 3 ) / 4 ) * 16;\n\n\t\t// https://registry.khronos.org/webgl/extensions/WEBGL_compressed_texture_pvrtc/\n\t\tcase RGB_PVRTC_2BPPV1_Format:\n\t\tcase RGBA_PVRTC_2BPPV1_Format:\n\t\t\treturn ( Math.max( width, 16 ) * Math.max( height, 8 ) ) / 4;\n\t\tcase RGB_PVRTC_4BPPV1_Format:\n\t\tcase RGBA_PVRTC_4BPPV1_Format:\n\t\t\treturn ( Math.max( width, 8 ) * Math.max( height, 8 ) ) / 2;\n\n\t\t// https://registry.khronos.org/webgl/extensions/WEBGL_compressed_texture_etc/\n\t\tcase RGB_ETC1_Format:\n\t\tcase RGB_ETC2_Format:\n\t\t\treturn Math.floor( ( width + 3 ) / 4 ) * Math.floor( ( height + 3 ) / 4 ) * 8;\n\t\tcase RGBA_ETC2_EAC_Format:\n\t\t\treturn Math.floor( ( width + 3 ) / 4 ) * Math.floor( ( height + 3 ) / 4 ) * 16;\n\n\t\t// https://registry.khronos.org/webgl/extensions/WEBGL_compressed_texture_astc/\n\t\tcase RGBA_ASTC_4x4_Format:\n\t\t\treturn Math.floor( ( width + 3 ) / 4 ) * Math.floor( ( height + 3 ) / 4 ) * 16;\n\t\tcase RGBA_ASTC_5x4_Format:\n\t\t\treturn Math.floor( ( width + 4 ) / 5 ) * Math.floor( ( height + 3 ) / 4 ) * 16;\n\t\tcase RGBA_ASTC_5x5_Format:\n\t\t\treturn Math.floor( ( width + 4 ) / 5 ) * Math.floor( ( height + 4 ) / 5 ) * 16;\n\t\tcase RGBA_ASTC_6x5_Format:\n\t\t\treturn Math.floor( ( width + 5 ) / 6 ) * Math.floor( ( height + 4 ) / 5 ) * 16;\n\t\tcase RGBA_ASTC_6x6_Format:\n\t\t\treturn Math.floor( ( width + 5 ) / 6 ) * Math.floor( ( height + 5 ) / 6 ) * 16;\n\t\tcase RGBA_ASTC_8x5_Format:\n\t\t\treturn Math.floor( ( width + 7 ) / 8 ) * Math.floor( ( height + 4 ) / 5 ) * 16;\n\t\tcase RGBA_ASTC_8x6_Format:\n\t\t\treturn Math.floor( ( width + 7 ) / 8 ) * Math.floor( ( height + 5 ) / 6 ) * 16;\n\t\tcase RGBA_ASTC_8x8_Format:\n\t\t\treturn Math.floor( ( width + 7 ) / 8 ) * Math.floor( ( height + 7 ) / 8 ) * 16;\n\t\tcase RGBA_ASTC_10x5_Format:\n\t\t\treturn Math.floor( ( width + 9 ) / 10 ) * Math.floor( ( height + 4 ) / 5 ) * 16;\n\t\tcase RGBA_ASTC_10x6_Format:\n\t\t\treturn Math.floor( ( width + 9 ) / 10 ) * Math.floor( ( height + 5 ) / 6 ) * 16;\n\t\tcase RGBA_ASTC_10x8_Format:\n\t\t\treturn Math.floor( ( width + 9 ) / 10 ) * Math.floor( ( height + 7 ) / 8 ) * 16;\n\t\tcase RGBA_ASTC_10x10_Format:\n\t\t\treturn Math.floor( ( width + 9 ) / 10 ) * Math.floor( ( height + 9 ) / 10 ) * 16;\n\t\tcase RGBA_ASTC_12x10_Format:\n\t\t\treturn Math.floor( ( width + 11 ) / 12 ) * Math.floor( ( height + 9 ) / 10 ) * 16;\n\t\tcase RGBA_ASTC_12x12_Format:\n\t\t\treturn Math.floor( ( width + 11 ) / 12 ) * Math.floor( ( height + 11 ) / 12 ) * 16;\n\n\t\t// https://registry.khronos.org/webgl/extensions/EXT_texture_compression_bptc/\n\t\tcase RGBA_BPTC_Format:\n\t\tcase RGB_BPTC_SIGNED_Format:\n\t\tcase RGB_BPTC_UNSIGNED_Format:\n\t\t\treturn Math.ceil( width / 4 ) * Math.ceil( height / 4 ) * 16;\n\n\t\t// https://registry.khronos.org/webgl/extensions/EXT_texture_compression_rgtc/\n\t\tcase RED_RGTC1_Format:\n\t\tcase SIGNED_RED_RGTC1_Format:\n\t\t\treturn Math.ceil( width / 4 ) * Math.ceil( height / 4 ) * 8;\n\t\tcase RED_GREEN_RGTC2_Format:\n\t\tcase SIGNED_RED_GREEN_RGTC2_Format:\n\t\t\treturn Math.ceil( width / 4 ) * Math.ceil( height / 4 ) * 16;\n\n\t}\n\n\tthrow new Error(\n\t\t`Unable to determine texture byte length for ${format} format.`,\n\t);\n\n}\n\nfunction getTextureTypeByteLength( type ) {\n\n\tswitch ( type ) {\n\n\t\tcase UnsignedByteType:\n\t\tcase ByteType:\n\t\t\treturn { byteLength: 1, components: 1 };\n\t\tcase UnsignedShortType:\n\t\tcase ShortType:\n\t\tcase HalfFloatType:\n\t\t\treturn { byteLength: 2, components: 1 };\n\t\tcase UnsignedShort4444Type:\n\t\tcase UnsignedShort5551Type:\n\t\t\treturn { byteLength: 2, components: 4 };\n\t\tcase UnsignedIntType:\n\t\tcase IntType:\n\t\tcase FloatType:\n\t\t\treturn { byteLength: 4, components: 1 };\n\t\tcase UnsignedInt5999Type:\n\t\t\treturn { byteLength: 4, components: 3 };\n\n\t}\n\n\tthrow new Error( `Unknown texture type ${type}.` );\n\n}\n\nconst TextureUtils = {\n\tcontain,\n\tcover,\n\tfill,\n\tgetByteLength\n};\n\nif ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) {\n\n\t__THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'register', { detail: {\n\t\trevision: REVISION,\n\t} } ) );\n\n}\n\nif ( typeof window !== 'undefined' ) {\n\n\tif ( window.__THREE__ ) {\n\n\t\tconsole.warn( 'WARNING: Multiple instances of Three.js being imported.' );\n\n\t} else {\n\n\t\twindow.__THREE__ = REVISION;\n\n\t}\n\n}\n\nexport { ACESFilmicToneMapping, AddEquation, AddOperation, AdditiveAnimationBlendMode, AdditiveBlending, AgXToneMapping, AlphaFormat, AlwaysCompare, AlwaysDepth, AlwaysStencilFunc, AmbientLight, AnimationAction, AnimationClip, AnimationLoader, AnimationMixer, AnimationObjectGroup, AnimationUtils, ArcCurve, ArrayCamera, ArrowHelper, AttachedBindMode, Audio, AudioAnalyser, AudioContext, AudioListener, AudioLoader, AxesHelper, BackSide, BasicDepthPacking, BasicShadowMap, BatchedMesh, Bone, BooleanKeyframeTrack, Box2, Box3, Box3Helper, BoxGeometry, BoxHelper, BufferAttribute, BufferGeometry, BufferGeometryLoader, ByteType, Cache, Camera, CameraHelper, CanvasTexture, CapsuleGeometry, CatmullRomCurve3, CineonToneMapping, CircleGeometry, ClampToEdgeWrapping, Clock, Color, ColorKeyframeTrack, ColorManagement, CompressedArrayTexture, CompressedCubeTexture, CompressedTexture, CompressedTextureLoader, ConeGeometry, ConstantAlphaFactor, ConstantColorFactor, Controls, CubeCamera, CubeReflectionMapping, CubeRefractionMapping, CubeTexture, CubeTextureLoader, CubeUVReflectionMapping, CubicBezierCurve, CubicBezierCurve3, CubicInterpolant, CullFaceBack, CullFaceFront, CullFaceFrontBack, CullFaceNone, Curve, CurvePath, CustomBlending, CustomToneMapping, CylinderGeometry, Cylindrical, Data3DTexture, DataArrayTexture, DataTexture, DataTextureLoader, DataUtils, DecrementStencilOp, DecrementWrapStencilOp, DefaultLoadingManager, DepthFormat, DepthStencilFormat, DepthTexture, DetachedBindMode, DirectionalLight, DirectionalLightHelper, DiscreteInterpolant, DodecahedronGeometry, DoubleSide, DstAlphaFactor, DstColorFactor, DynamicCopyUsage, DynamicDrawUsage, DynamicReadUsage, EdgesGeometry, EllipseCurve, EqualCompare, EqualDepth, EqualStencilFunc, EquirectangularReflectionMapping, EquirectangularRefractionMapping, Euler, EventDispatcher, ExtrudeGeometry, FileLoader, Float16BufferAttribute, Float32BufferAttribute, FloatType, Fog, FogExp2, FramebufferTexture, FrontSide, Frustum, GLBufferAttribute, GLSL1, GLSL3, GreaterCompare, GreaterDepth, GreaterEqualCompare, GreaterEqualDepth, GreaterEqualStencilFunc, GreaterStencilFunc, GridHelper, Group, HalfFloatType, HemisphereLight, HemisphereLightHelper, IcosahedronGeometry, ImageBitmapLoader, ImageLoader, ImageUtils, IncrementStencilOp, IncrementWrapStencilOp, InstancedBufferAttribute, InstancedBufferGeometry, InstancedInterleavedBuffer, InstancedMesh, Int16BufferAttribute, Int32BufferAttribute, Int8BufferAttribute, IntType, InterleavedBuffer, InterleavedBufferAttribute, Interpolant, InterpolateDiscrete, InterpolateLinear, InterpolateSmooth, InvertStencilOp, KeepStencilOp, KeyframeTrack, LOD, LatheGeometry, Layers, LessCompare, LessDepth, LessEqualCompare, LessEqualDepth, LessEqualStencilFunc, LessStencilFunc, Light, LightProbe, Line, Line3, LineBasicMaterial, LineCurve, LineCurve3, LineDashedMaterial, LineLoop, LineSegments, LinearFilter, LinearInterpolant, LinearMipMapLinearFilter, LinearMipMapNearestFilter, LinearMipmapLinearFilter, LinearMipmapNearestFilter, LinearSRGBColorSpace, LinearToneMapping, LinearTransfer, Loader, LoaderUtils, LoadingManager, LoopOnce, LoopPingPong, LoopRepeat, LuminanceAlphaFormat, LuminanceFormat, MOUSE, Material, MaterialLoader, MathUtils, Matrix2, Matrix3, Matrix4, MaxEquation, Mesh, MeshBasicMaterial, MeshDepthMaterial, MeshDistanceMaterial, MeshLambertMaterial, MeshMatcapMaterial, MeshNormalMaterial, MeshPhongMaterial, MeshPhysicalMaterial, MeshStandardMaterial, MeshToonMaterial, MinEquation, MirroredRepeatWrapping, MixOperation, MultiplyBlending, MultiplyOperation, NearestFilter, NearestMipMapLinearFilter, NearestMipMapNearestFilter, NearestMipmapLinearFilter, NearestMipmapNearestFilter, NeutralToneMapping, NeverCompare, NeverDepth, NeverStencilFunc, NoBlending, NoColorSpace, NoToneMapping, NormalAnimationBlendMode, NormalBlending, NotEqualCompare, NotEqualDepth, NotEqualStencilFunc, NumberKeyframeTrack, Object3D, ObjectLoader, ObjectSpaceNormalMap, OctahedronGeometry, OneFactor, OneMinusConstantAlphaFactor, OneMinusConstantColorFactor, OneMinusDstAlphaFactor, OneMinusDstColorFactor, OneMinusSrcAlphaFactor, OneMinusSrcColorFactor, OrthographicCamera, PCFShadowMap, PCFSoftShadowMap, Path, PerspectiveCamera, Plane, PlaneGeometry, PlaneHelper, PointLight, PointLightHelper, Points, PointsMaterial, PolarGridHelper, PolyhedronGeometry, PositionalAudio, PropertyBinding, PropertyMixer, QuadraticBezierCurve, QuadraticBezierCurve3, Quaternion, QuaternionKeyframeTrack, QuaternionLinearInterpolant, RAD2DEG, RED_GREEN_RGTC2_Format, RED_RGTC1_Format, REVISION, RGBADepthPacking, RGBAFormat, RGBAIntegerFormat, RGBA_ASTC_10x10_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_BPTC_Format, RGBA_ETC2_EAC_Format, RGBA_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGBDepthPacking, RGBFormat, RGBIntegerFormat, RGB_BPTC_SIGNED_Format, RGB_BPTC_UNSIGNED_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGB_PVRTC_2BPPV1_Format, RGB_PVRTC_4BPPV1_Format, RGB_S3TC_DXT1_Format, RGDepthPacking, RGFormat, RGIntegerFormat, RawShaderMaterial, Ray, Raycaster, RectAreaLight, RedFormat, RedIntegerFormat, ReinhardToneMapping, RenderTarget, RenderTarget3D, RenderTargetArray, RepeatWrapping, ReplaceStencilOp, ReverseSubtractEquation, RingGeometry, SIGNED_RED_GREEN_RGTC2_Format, SIGNED_RED_RGTC1_Format, SRGBColorSpace, SRGBTransfer, Scene, ShaderMaterial, ShadowMaterial, Shape, ShapeGeometry, ShapePath, ShapeUtils, ShortType, Skeleton, SkeletonHelper, SkinnedMesh, Source, Sphere, SphereGeometry, Spherical, SphericalHarmonics3, SplineCurve, SpotLight, SpotLightHelper, Sprite, SpriteMaterial, SrcAlphaFactor, SrcAlphaSaturateFactor, SrcColorFactor, StaticCopyUsage, StaticDrawUsage, StaticReadUsage, StereoCamera, StreamCopyUsage, StreamDrawUsage, StreamReadUsage, StringKeyframeTrack, SubtractEquation, SubtractiveBlending, TOUCH, TangentSpaceNormalMap, TetrahedronGeometry, Texture, TextureLoader, TextureUtils, TimestampQuery, TorusGeometry, TorusKnotGeometry, Triangle, TriangleFanDrawMode, TriangleStripDrawMode, TrianglesDrawMode, TubeGeometry, UVMapping, Uint16BufferAttribute, Uint32BufferAttribute, Uint8BufferAttribute, Uint8ClampedBufferAttribute, Uniform, UniformsGroup, UniformsUtils, UnsignedByteType, UnsignedInt248Type, UnsignedInt5999Type, UnsignedIntType, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedShortType, VSMShadowMap, Vector2, Vector3, Vector4, VectorKeyframeTrack, VideoFrameTexture, VideoTexture, WebGL3DRenderTarget, WebGLArrayRenderTarget, WebGLCoordinateSystem, WebGLCubeRenderTarget, WebGLRenderTarget, WebGPUCoordinateSystem, WebXRController, WireframeGeometry, WrapAroundEnding, ZeroCurvatureEnding, ZeroFactor, ZeroSlopeEnding, ZeroStencilOp, arrayNeedsUint32, cloneUniforms, createCanvasElement, createElementNS, getByteLength, getUnlitUniformColorSpace, mergeUniforms, probeAsync, toNormalizedProjectionMatrix, toReversedProjectionMatrix, warnOnce };\n", "import {\n\tControls,\n\tMOUSE,\n\tQuaternion,\n\tSpherical,\n\tTOUCH,\n\tVector2,\n\tVector3,\n\tPlane,\n\tRay,\n\tMathUtils\n} from 'three';\n\n// OrbitControls performs orbiting, dollying (zooming), and panning.\n// Unlike TrackballControls, it maintains the \"up\" direction object.up (+Y by default).\n//\n// Orbit - left mouse / touch: one-finger move\n// Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish\n// Pan - right mouse, or left mouse + ctrl/meta/shiftKey, or arrow keys / touch: two-finger move\n\nconst _changeEvent = { type: 'change' };\nconst _startEvent = { type: 'start' };\nconst _endEvent = { type: 'end' };\nconst _ray = new Ray();\nconst _plane = new Plane();\nconst _TILT_LIMIT = Math.cos( 70 * MathUtils.DEG2RAD );\n\nconst _v = new Vector3();\nconst _twoPI = 2 * Math.PI;\n\nconst _STATE = {\n\tNONE: - 1,\n\tROTATE: 0,\n\tDOLLY: 1,\n\tPAN: 2,\n\tTOUCH_ROTATE: 3,\n\tTOUCH_PAN: 4,\n\tTOUCH_DOLLY_PAN: 5,\n\tTOUCH_DOLLY_ROTATE: 6\n};\nconst _EPS = 0.000001;\n\nclass OrbitControls extends Controls {\n\n\tconstructor( object, domElement = null ) {\n\n\t\tsuper( object, domElement );\n\n\t\tthis.state = _STATE.NONE;\n\n\t\t// Set to false to disable this control\n\t\tthis.enabled = true;\n\n\t\t// \"target\" sets the location of focus, where the object orbits around\n\t\tthis.target = new Vector3();\n\n\t\t// Sets the 3D cursor (similar to Blender), from which the maxTargetRadius takes effect\n\t\tthis.cursor = new Vector3();\n\n\t\t// How far you can dolly in and out ( PerspectiveCamera only )\n\t\tthis.minDistance = 0;\n\t\tthis.maxDistance = Infinity;\n\n\t\t// How far you can zoom in and out ( OrthographicCamera only )\n\t\tthis.minZoom = 0;\n\t\tthis.maxZoom = Infinity;\n\n\t\t// Limit camera target within a spherical area around the cursor\n\t\tthis.minTargetRadius = 0;\n\t\tthis.maxTargetRadius = Infinity;\n\n\t\t// How far you can orbit vertically, upper and lower limits.\n\t\t// Range is 0 to Math.PI radians.\n\t\tthis.minPolarAngle = 0; // radians\n\t\tthis.maxPolarAngle = Math.PI; // radians\n\n\t\t// How far you can orbit horizontally, upper and lower limits.\n\t\t// If set, the interval [ min, max ] must be a sub-interval of [ - 2 PI, 2 PI ], with ( max - min < 2 PI )\n\t\tthis.minAzimuthAngle = - Infinity; // radians\n\t\tthis.maxAzimuthAngle = Infinity; // radians\n\n\t\t// Set to true to enable damping (inertia)\n\t\t// If damping is enabled, you must call controls.update() in your animation loop\n\t\tthis.enableDamping = false;\n\t\tthis.dampingFactor = 0.05;\n\n\t\t// This option actually enables dollying in and out; left as \"zoom\" for backwards compatibility.\n\t\t// Set to false to disable zooming\n\t\tthis.enableZoom = true;\n\t\tthis.zoomSpeed = 1.0;\n\n\t\t// Set to false to disable rotating\n\t\tthis.enableRotate = true;\n\t\tthis.rotateSpeed = 1.0;\n\t\tthis.keyRotateSpeed = 1.0;\n\n\t\t// Set to false to disable panning\n\t\tthis.enablePan = true;\n\t\tthis.panSpeed = 1.0;\n\t\tthis.screenSpacePanning = true; // if false, pan orthogonal to world-space direction camera.up\n\t\tthis.keyPanSpeed = 7.0;\t// pixels moved per arrow key push\n\t\tthis.zoomToCursor = false;\n\n\t\t// Set to true to automatically rotate around the target\n\t\t// If auto-rotate is enabled, you must call controls.update() in your animation loop\n\t\tthis.autoRotate = false;\n\t\tthis.autoRotateSpeed = 2.0; // 30 seconds per orbit when fps is 60\n\n\t\t// The four arrow keys\n\t\tthis.keys = { LEFT: 'ArrowLeft', UP: 'ArrowUp', RIGHT: 'ArrowRight', BOTTOM: 'ArrowDown' };\n\n\t\t// Mouse buttons\n\t\tthis.mouseButtons = { LEFT: MOUSE.ROTATE, MIDDLE: MOUSE.DOLLY, RIGHT: MOUSE.PAN };\n\n\t\t// Touch fingers\n\t\tthis.touches = { ONE: TOUCH.ROTATE, TWO: TOUCH.DOLLY_PAN };\n\n\t\t// for reset\n\t\tthis.target0 = this.target.clone();\n\t\tthis.position0 = this.object.position.clone();\n\t\tthis.zoom0 = this.object.zoom;\n\n\t\t// the target DOM element for key events\n\t\tthis._domElementKeyEvents = null;\n\n\t\t// internals\n\n\t\tthis._lastPosition = new Vector3();\n\t\tthis._lastQuaternion = new Quaternion();\n\t\tthis._lastTargetPosition = new Vector3();\n\n\t\t// so camera.up is the orbit axis\n\t\tthis._quat = new Quaternion().setFromUnitVectors( object.up, new Vector3( 0, 1, 0 ) );\n\t\tthis._quatInverse = this._quat.clone().invert();\n\n\t\t// current position in spherical coordinates\n\t\tthis._spherical = new Spherical();\n\t\tthis._sphericalDelta = new Spherical();\n\n\t\tthis._scale = 1;\n\t\tthis._panOffset = new Vector3();\n\n\t\tthis._rotateStart = new Vector2();\n\t\tthis._rotateEnd = new Vector2();\n\t\tthis._rotateDelta = new Vector2();\n\n\t\tthis._panStart = new Vector2();\n\t\tthis._panEnd = new Vector2();\n\t\tthis._panDelta = new Vector2();\n\n\t\tthis._dollyStart = new Vector2();\n\t\tthis._dollyEnd = new Vector2();\n\t\tthis._dollyDelta = new Vector2();\n\n\t\tthis._dollyDirection = new Vector3();\n\t\tthis._mouse = new Vector2();\n\t\tthis._performCursorZoom = false;\n\n\t\tthis._pointers = [];\n\t\tthis._pointerPositions = {};\n\n\t\tthis._controlActive = false;\n\n\t\t// event listeners\n\n\t\tthis._onPointerMove = onPointerMove.bind( this );\n\t\tthis._onPointerDown = onPointerDown.bind( this );\n\t\tthis._onPointerUp = onPointerUp.bind( this );\n\t\tthis._onContextMenu = onContextMenu.bind( this );\n\t\tthis._onMouseWheel = onMouseWheel.bind( this );\n\t\tthis._onKeyDown = onKeyDown.bind( this );\n\n\t\tthis._onTouchStart = onTouchStart.bind( this );\n\t\tthis._onTouchMove = onTouchMove.bind( this );\n\n\t\tthis._onMouseDown = onMouseDown.bind( this );\n\t\tthis._onMouseMove = onMouseMove.bind( this );\n\n\t\tthis._interceptControlDown = interceptControlDown.bind( this );\n\t\tthis._interceptControlUp = interceptControlUp.bind( this );\n\n\t\t//\n\n\t\tif ( this.domElement !== null ) {\n\n\t\t\tthis.connect();\n\n\t\t}\n\n\t\tthis.update();\n\n\t}\n\n\tconnect() {\n\n\t\tthis.domElement.addEventListener( 'pointerdown', this._onPointerDown );\n\t\tthis.domElement.addEventListener( 'pointercancel', this._onPointerUp );\n\n\t\tthis.domElement.addEventListener( 'contextmenu', this._onContextMenu );\n\t\tthis.domElement.addEventListener( 'wheel', this._onMouseWheel, { passive: false } );\n\n\t\tconst document = this.domElement.getRootNode(); // offscreen canvas compatibility\n\t\tdocument.addEventListener( 'keydown', this._interceptControlDown, { passive: true, capture: true } );\n\n\t\tthis.domElement.style.touchAction = 'none'; // disable touch scroll\n\n\t}\n\n\tdisconnect() {\n\n\t\tthis.domElement.removeEventListener( 'pointerdown', this._onPointerDown );\n\t\tthis.domElement.removeEventListener( 'pointermove', this._onPointerMove );\n\t\tthis.domElement.removeEventListener( 'pointerup', this._onPointerUp );\n\t\tthis.domElement.removeEventListener( 'pointercancel', this._onPointerUp );\n\n\t\tthis.domElement.removeEventListener( 'wheel', this._onMouseWheel );\n\t\tthis.domElement.removeEventListener( 'contextmenu', this._onContextMenu );\n\n\t\tthis.stopListenToKeyEvents();\n\n\t\tconst document = this.domElement.getRootNode(); // offscreen canvas compatibility\n\t\tdocument.removeEventListener( 'keydown', this._interceptControlDown, { capture: true } );\n\n\t\tthis.domElement.style.touchAction = 'auto';\n\n\t}\n\n\tdispose() {\n\n\t\tthis.disconnect();\n\n\t}\n\n\tgetPolarAngle() {\n\n\t\treturn this._spherical.phi;\n\n\t}\n\n\tgetAzimuthalAngle() {\n\n\t\treturn this._spherical.theta;\n\n\t}\n\n\tgetDistance() {\n\n\t\treturn this.object.position.distanceTo( this.target );\n\n\t}\n\n\tlistenToKeyEvents( domElement ) {\n\n\t\tdomElement.addEventListener( 'keydown', this._onKeyDown );\n\t\tthis._domElementKeyEvents = domElement;\n\n\t}\n\n\tstopListenToKeyEvents() {\n\n\t\tif ( this._domElementKeyEvents !== null ) {\n\n\t\t\tthis._domElementKeyEvents.removeEventListener( 'keydown', this._onKeyDown );\n\t\t\tthis._domElementKeyEvents = null;\n\n\t\t}\n\n\t}\n\n\tsaveState() {\n\n\t\tthis.target0.copy( this.target );\n\t\tthis.position0.copy( this.object.position );\n\t\tthis.zoom0 = this.object.zoom;\n\n\t}\n\n\treset() {\n\n\t\tthis.target.copy( this.target0 );\n\t\tthis.object.position.copy( this.position0 );\n\t\tthis.object.zoom = this.zoom0;\n\n\t\tthis.object.updateProjectionMatrix();\n\t\tthis.dispatchEvent( _changeEvent );\n\n\t\tthis.update();\n\n\t\tthis.state = _STATE.NONE;\n\n\t}\n\n\tupdate( deltaTime = null ) {\n\n\t\tconst position = this.object.position;\n\n\t\t_v.copy( position ).sub( this.target );\n\n\t\t// rotate offset to \"y-axis-is-up\" space\n\t\t_v.applyQuaternion( this._quat );\n\n\t\t// angle from z-axis around y-axis\n\t\tthis._spherical.setFromVector3( _v );\n\n\t\tif ( this.autoRotate && this.state === _STATE.NONE ) {\n\n\t\t\tthis._rotateLeft( this._getAutoRotationAngle( deltaTime ) );\n\n\t\t}\n\n\t\tif ( this.enableDamping ) {\n\n\t\t\tthis._spherical.theta += this._sphericalDelta.theta * this.dampingFactor;\n\t\t\tthis._spherical.phi += this._sphericalDelta.phi * this.dampingFactor;\n\n\t\t} else {\n\n\t\t\tthis._spherical.theta += this._sphericalDelta.theta;\n\t\t\tthis._spherical.phi += this._sphericalDelta.phi;\n\n\t\t}\n\n\t\t// restrict theta to be between desired limits\n\n\t\tlet min = this.minAzimuthAngle;\n\t\tlet max = this.maxAzimuthAngle;\n\n\t\tif ( isFinite( min ) && isFinite( max ) ) {\n\n\t\t\tif ( min < - Math.PI ) min += _twoPI; else if ( min > Math.PI ) min -= _twoPI;\n\n\t\t\tif ( max < - Math.PI ) max += _twoPI; else if ( max > Math.PI ) max -= _twoPI;\n\n\t\t\tif ( min <= max ) {\n\n\t\t\t\tthis._spherical.theta = Math.max( min, Math.min( max, this._spherical.theta ) );\n\n\t\t\t} else {\n\n\t\t\t\tthis._spherical.theta = ( this._spherical.theta > ( min + max ) / 2 ) ?\n\t\t\t\t\tMath.max( min, this._spherical.theta ) :\n\t\t\t\t\tMath.min( max, this._spherical.theta );\n\n\t\t\t}\n\n\t\t}\n\n\t\t// restrict phi to be between desired limits\n\t\tthis._spherical.phi = Math.max( this.minPolarAngle, Math.min( this.maxPolarAngle, this._spherical.phi ) );\n\n\t\tthis._spherical.makeSafe();\n\n\n\t\t// move target to panned location\n\n\t\tif ( this.enableDamping === true ) {\n\n\t\t\tthis.target.addScaledVector( this._panOffset, this.dampingFactor );\n\n\t\t} else {\n\n\t\t\tthis.target.add( this._panOffset );\n\n\t\t}\n\n\t\t// Limit the target distance from the cursor to create a sphere around the center of interest\n\t\tthis.target.sub( this.cursor );\n\t\tthis.target.clampLength( this.minTargetRadius, this.maxTargetRadius );\n\t\tthis.target.add( this.cursor );\n\n\t\tlet zoomChanged = false;\n\t\t// adjust the camera position based on zoom only if we're not zooming to the cursor or if it's an ortho camera\n\t\t// we adjust zoom later in these cases\n\t\tif ( this.zoomToCursor && this._performCursorZoom || this.object.isOrthographicCamera ) {\n\n\t\t\tthis._spherical.radius = this._clampDistance( this._spherical.radius );\n\n\t\t} else {\n\n\t\t\tconst prevRadius = this._spherical.radius;\n\t\t\tthis._spherical.radius = this._clampDistance( this._spherical.radius * this._scale );\n\t\t\tzoomChanged = prevRadius != this._spherical.radius;\n\n\t\t}\n\n\t\t_v.setFromSpherical( this._spherical );\n\n\t\t// rotate offset back to \"camera-up-vector-is-up\" space\n\t\t_v.applyQuaternion( this._quatInverse );\n\n\t\tposition.copy( this.target ).add( _v );\n\n\t\tthis.object.lookAt( this.target );\n\n\t\tif ( this.enableDamping === true ) {\n\n\t\t\tthis._sphericalDelta.theta *= ( 1 - this.dampingFactor );\n\t\t\tthis._sphericalDelta.phi *= ( 1 - this.dampingFactor );\n\n\t\t\tthis._panOffset.multiplyScalar( 1 - this.dampingFactor );\n\n\t\t} else {\n\n\t\t\tthis._sphericalDelta.set( 0, 0, 0 );\n\n\t\t\tthis._panOffset.set( 0, 0, 0 );\n\n\t\t}\n\n\t\t// adjust camera position\n\t\tif ( this.zoomToCursor && this._performCursorZoom ) {\n\n\t\t\tlet newRadius = null;\n\t\t\tif ( this.object.isPerspectiveCamera ) {\n\n\t\t\t\t// move the camera down the pointer ray\n\t\t\t\t// this method avoids floating point error\n\t\t\t\tconst prevRadius = _v.length();\n\t\t\t\tnewRadius = this._clampDistance( prevRadius * this._scale );\n\n\t\t\t\tconst radiusDelta = prevRadius - newRadius;\n\t\t\t\tthis.object.position.addScaledVector( this._dollyDirection, radiusDelta );\n\t\t\t\tthis.object.updateMatrixWorld();\n\n\t\t\t\tzoomChanged = !! radiusDelta;\n\n\t\t\t} else if ( this.object.isOrthographicCamera ) {\n\n\t\t\t\t// adjust the ortho camera position based on zoom changes\n\t\t\t\tconst mouseBefore = new Vector3( this._mouse.x, this._mouse.y, 0 );\n\t\t\t\tmouseBefore.unproject( this.object );\n\n\t\t\t\tconst prevZoom = this.object.zoom;\n\t\t\t\tthis.object.zoom = Math.max( this.minZoom, Math.min( this.maxZoom, this.object.zoom / this._scale ) );\n\t\t\t\tthis.object.updateProjectionMatrix();\n\n\t\t\t\tzoomChanged = prevZoom !== this.object.zoom;\n\n\t\t\t\tconst mouseAfter = new Vector3( this._mouse.x, this._mouse.y, 0 );\n\t\t\t\tmouseAfter.unproject( this.object );\n\n\t\t\t\tthis.object.position.sub( mouseAfter ).add( mouseBefore );\n\t\t\t\tthis.object.updateMatrixWorld();\n\n\t\t\t\tnewRadius = _v.length();\n\n\t\t\t} else {\n\n\t\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - zoom to cursor disabled.' );\n\t\t\t\tthis.zoomToCursor = false;\n\n\t\t\t}\n\n\t\t\t// handle the placement of the target\n\t\t\tif ( newRadius !== null ) {\n\n\t\t\t\tif ( this.screenSpacePanning ) {\n\n\t\t\t\t\t// position the orbit target in front of the new camera position\n\t\t\t\t\tthis.target.set( 0, 0, - 1 )\n\t\t\t\t\t\t.transformDirection( this.object.matrix )\n\t\t\t\t\t\t.multiplyScalar( newRadius )\n\t\t\t\t\t\t.add( this.object.position );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// get the ray and translation plane to compute target\n\t\t\t\t\t_ray.origin.copy( this.object.position );\n\t\t\t\t\t_ray.direction.set( 0, 0, - 1 ).transformDirection( this.object.matrix );\n\n\t\t\t\t\t// if the camera is 20 degrees above the horizon then don't adjust the focus target to avoid\n\t\t\t\t\t// extremely large values\n\t\t\t\t\tif ( Math.abs( this.object.up.dot( _ray.direction ) ) < _TILT_LIMIT ) {\n\n\t\t\t\t\t\tthis.object.lookAt( this.target );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t_plane.setFromNormalAndCoplanarPoint( this.object.up, this.target );\n\t\t\t\t\t\t_ray.intersectPlane( _plane, this.target );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else if ( this.object.isOrthographicCamera ) {\n\n\t\t\tconst prevZoom = this.object.zoom;\n\t\t\tthis.object.zoom = Math.max( this.minZoom, Math.min( this.maxZoom, this.object.zoom / this._scale ) );\n\n\t\t\tif ( prevZoom !== this.object.zoom ) {\n\n\t\t\t\tthis.object.updateProjectionMatrix();\n\t\t\t\tzoomChanged = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis._scale = 1;\n\t\tthis._performCursorZoom = false;\n\n\t\t// update condition is:\n\t\t// min(camera displacement, camera rotation in radians)^2 > EPS\n\t\t// using small-angle approximation cos(x/2) = 1 - x^2 / 8\n\n\t\tif ( zoomChanged ||\n\t\t\tthis._lastPosition.distanceToSquared( this.object.position ) > _EPS ||\n\t\t\t8 * ( 1 - this._lastQuaternion.dot( this.object.quaternion ) ) > _EPS ||\n\t\t\tthis._lastTargetPosition.distanceToSquared( this.target ) > _EPS ) {\n\n\t\t\tthis.dispatchEvent( _changeEvent );\n\n\t\t\tthis._lastPosition.copy( this.object.position );\n\t\t\tthis._lastQuaternion.copy( this.object.quaternion );\n\t\t\tthis._lastTargetPosition.copy( this.target );\n\n\t\t\treturn true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\t_getAutoRotationAngle( deltaTime ) {\n\n\t\tif ( deltaTime !== null ) {\n\n\t\t\treturn ( _twoPI / 60 * this.autoRotateSpeed ) * deltaTime;\n\n\t\t} else {\n\n\t\t\treturn _twoPI / 60 / 60 * this.autoRotateSpeed;\n\n\t\t}\n\n\t}\n\n\t_getZoomScale( delta ) {\n\n\t\tconst normalizedDelta = Math.abs( delta * 0.01 );\n\t\treturn Math.pow( 0.95, this.zoomSpeed * normalizedDelta );\n\n\t}\n\n\t_rotateLeft( angle ) {\n\n\t\tthis._sphericalDelta.theta -= angle;\n\n\t}\n\n\t_rotateUp( angle ) {\n\n\t\tthis._sphericalDelta.phi -= angle;\n\n\t}\n\n\t_panLeft( distance, objectMatrix ) {\n\n\t\t_v.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix\n\t\t_v.multiplyScalar( - distance );\n\n\t\tthis._panOffset.add( _v );\n\n\t}\n\n\t_panUp( distance, objectMatrix ) {\n\n\t\tif ( this.screenSpacePanning === true ) {\n\n\t\t\t_v.setFromMatrixColumn( objectMatrix, 1 );\n\n\t\t} else {\n\n\t\t\t_v.setFromMatrixColumn( objectMatrix, 0 );\n\t\t\t_v.crossVectors( this.object.up, _v );\n\n\t\t}\n\n\t\t_v.multiplyScalar( distance );\n\n\t\tthis._panOffset.add( _v );\n\n\t}\n\n\t// deltaX and deltaY are in pixels; right and down are positive\n\t_pan( deltaX, deltaY ) {\n\n\t\tconst element = this.domElement;\n\n\t\tif ( this.object.isPerspectiveCamera ) {\n\n\t\t\t// perspective\n\t\t\tconst position = this.object.position;\n\t\t\t_v.copy( position ).sub( this.target );\n\t\t\tlet targetDistance = _v.length();\n\n\t\t\t// half of the fov is center to top of screen\n\t\t\ttargetDistance *= Math.tan( ( this.object.fov / 2 ) * Math.PI / 180.0 );\n\n\t\t\t// we use only clientHeight here so aspect ratio does not distort speed\n\t\t\tthis._panLeft( 2 * deltaX * targetDistance / element.clientHeight, this.object.matrix );\n\t\t\tthis._panUp( 2 * deltaY * targetDistance / element.clientHeight, this.object.matrix );\n\n\t\t} else if ( this.object.isOrthographicCamera ) {\n\n\t\t\t// orthographic\n\t\t\tthis._panLeft( deltaX * ( this.object.right - this.object.left ) / this.object.zoom / element.clientWidth, this.object.matrix );\n\t\t\tthis._panUp( deltaY * ( this.object.top - this.object.bottom ) / this.object.zoom / element.clientHeight, this.object.matrix );\n\n\t\t} else {\n\n\t\t\t// camera neither orthographic nor perspective\n\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' );\n\t\t\tthis.enablePan = false;\n\n\t\t}\n\n\t}\n\n\t_dollyOut( dollyScale ) {\n\n\t\tif ( this.object.isPerspectiveCamera || this.object.isOrthographicCamera ) {\n\n\t\t\tthis._scale /= dollyScale;\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\tthis.enableZoom = false;\n\n\t\t}\n\n\t}\n\n\t_dollyIn( dollyScale ) {\n\n\t\tif ( this.object.isPerspectiveCamera || this.object.isOrthographicCamera ) {\n\n\t\t\tthis._scale *= dollyScale;\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\n\t\t\tthis.enableZoom = false;\n\n\t\t}\n\n\t}\n\n\t_updateZoomParameters( x, y ) {\n\n\t\tif ( ! this.zoomToCursor ) {\n\n\t\t\treturn;\n\n\t\t}\n\n\t\tthis._performCursorZoom = true;\n\n\t\tconst rect = this.domElement.getBoundingClientRect();\n\t\tconst dx = x - rect.left;\n\t\tconst dy = y - rect.top;\n\t\tconst w = rect.width;\n\t\tconst h = rect.height;\n\n\t\tthis._mouse.x = ( dx / w ) * 2 - 1;\n\t\tthis._mouse.y = - ( dy / h ) * 2 + 1;\n\n\t\tthis._dollyDirection.set( this._mouse.x, this._mouse.y, 1 ).unproject( this.object ).sub( this.object.position ).normalize();\n\n\t}\n\n\t_clampDistance( dist ) {\n\n\t\treturn Math.max( this.minDistance, Math.min( this.maxDistance, dist ) );\n\n\t}\n\n\t//\n\t// event callbacks - update the object state\n\t//\n\n\t_handleMouseDownRotate( event ) {\n\n\t\tthis._rotateStart.set( event.clientX, event.clientY );\n\n\t}\n\n\t_handleMouseDownDolly( event ) {\n\n\t\tthis._updateZoomParameters( event.clientX, event.clientX );\n\t\tthis._dollyStart.set( event.clientX, event.clientY );\n\n\t}\n\n\t_handleMouseDownPan( event ) {\n\n\t\tthis._panStart.set( event.clientX, event.clientY );\n\n\t}\n\n\t_handleMouseMoveRotate( event ) {\n\n\t\tthis._rotateEnd.set( event.clientX, event.clientY );\n\n\t\tthis._rotateDelta.subVectors( this._rotateEnd, this._rotateStart ).multiplyScalar( this.rotateSpeed );\n\n\t\tconst element = this.domElement;\n\n\t\tthis._rotateLeft( _twoPI * this._rotateDelta.x / element.clientHeight ); // yes, height\n\n\t\tthis._rotateUp( _twoPI * this._rotateDelta.y / element.clientHeight );\n\n\t\tthis._rotateStart.copy( this._rotateEnd );\n\n\t\tthis.update();\n\n\t}\n\n\t_handleMouseMoveDolly( event ) {\n\n\t\tthis._dollyEnd.set( event.clientX, event.clientY );\n\n\t\tthis._dollyDelta.subVectors( this._dollyEnd, this._dollyStart );\n\n\t\tif ( this._dollyDelta.y > 0 ) {\n\n\t\t\tthis._dollyOut( this._getZoomScale( this._dollyDelta.y ) );\n\n\t\t} else if ( this._dollyDelta.y < 0 ) {\n\n\t\t\tthis._dollyIn( this._getZoomScale( this._dollyDelta.y ) );\n\n\t\t}\n\n\t\tthis._dollyStart.copy( this._dollyEnd );\n\n\t\tthis.update();\n\n\t}\n\n\t_handleMouseMovePan( event ) {\n\n\t\tthis._panEnd.set( event.clientX, event.clientY );\n\n\t\tthis._panDelta.subVectors( this._panEnd, this._panStart ).multiplyScalar( this.panSpeed );\n\n\t\tthis._pan( this._panDelta.x, this._panDelta.y );\n\n\t\tthis._panStart.copy( this._panEnd );\n\n\t\tthis.update();\n\n\t}\n\n\t_handleMouseWheel( event ) {\n\n\t\tthis._updateZoomParameters( event.clientX, event.clientY );\n\n\t\tif ( event.deltaY < 0 ) {\n\n\t\t\tthis._dollyIn( this._getZoomScale( event.deltaY ) );\n\n\t\t} else if ( event.deltaY > 0 ) {\n\n\t\t\tthis._dollyOut( this._getZoomScale( event.deltaY ) );\n\n\t\t}\n\n\t\tthis.update();\n\n\t}\n\n\t_handleKeyDown( event ) {\n\n\t\tlet needsUpdate = false;\n\n\t\tswitch ( event.code ) {\n\n\t\t\tcase this.keys.UP:\n\n\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\tif ( this.enableRotate ) {\n\n\t\t\t\t\t\tthis._rotateUp( _twoPI * this.keyRotateSpeed / this.domElement.clientHeight );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( this.enablePan ) {\n\n\t\t\t\t\t\tthis._pan( 0, this.keyPanSpeed );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tneedsUpdate = true;\n\t\t\t\tbreak;\n\n\t\t\tcase this.keys.BOTTOM:\n\n\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\tif ( this.enableRotate ) {\n\n\t\t\t\t\t\tthis._rotateUp( - _twoPI * this.keyRotateSpeed / this.domElement.clientHeight );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( this.enablePan ) {\n\n\t\t\t\t\t\tthis._pan( 0, - this.keyPanSpeed );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tneedsUpdate = true;\n\t\t\t\tbreak;\n\n\t\t\tcase this.keys.LEFT:\n\n\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\tif ( this.enableRotate ) {\n\n\t\t\t\t\t\tthis._rotateLeft( _twoPI * this.keyRotateSpeed / this.domElement.clientHeight );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( this.enablePan ) {\n\n\t\t\t\t\t\tthis._pan( this.keyPanSpeed, 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tneedsUpdate = true;\n\t\t\t\tbreak;\n\n\t\t\tcase this.keys.RIGHT:\n\n\t\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\t\tif ( this.enableRotate ) {\n\n\t\t\t\t\t\tthis._rotateLeft( - _twoPI * this.keyRotateSpeed / this.domElement.clientHeight );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( this.enablePan ) {\n\n\t\t\t\t\t\tthis._pan( - this.keyPanSpeed, 0 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tneedsUpdate = true;\n\t\t\t\tbreak;\n\n\t\t}\n\n\t\tif ( needsUpdate ) {\n\n\t\t\t// prevent the browser from scrolling on cursor keys\n\t\t\tevent.preventDefault();\n\n\t\t\tthis.update();\n\n\t\t}\n\n\n\t}\n\n\t_handleTouchStartRotate( event ) {\n\n\t\tif ( this._pointers.length === 1 ) {\n\n\t\t\tthis._rotateStart.set( event.pageX, event.pageY );\n\n\t\t} else {\n\n\t\t\tconst position = this._getSecondPointerPosition( event );\n\n\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\tthis._rotateStart.set( x, y );\n\n\t\t}\n\n\t}\n\n\t_handleTouchStartPan( event ) {\n\n\t\tif ( this._pointers.length === 1 ) {\n\n\t\t\tthis._panStart.set( event.pageX, event.pageY );\n\n\t\t} else {\n\n\t\t\tconst position = this._getSecondPointerPosition( event );\n\n\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\tthis._panStart.set( x, y );\n\n\t\t}\n\n\t}\n\n\t_handleTouchStartDolly( event ) {\n\n\t\tconst position = this._getSecondPointerPosition( event );\n\n\t\tconst dx = event.pageX - position.x;\n\t\tconst dy = event.pageY - position.y;\n\n\t\tconst distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\tthis._dollyStart.set( 0, distance );\n\n\t}\n\n\t_handleTouchStartDollyPan( event ) {\n\n\t\tif ( this.enableZoom ) this._handleTouchStartDolly( event );\n\n\t\tif ( this.enablePan ) this._handleTouchStartPan( event );\n\n\t}\n\n\t_handleTouchStartDollyRotate( event ) {\n\n\t\tif ( this.enableZoom ) this._handleTouchStartDolly( event );\n\n\t\tif ( this.enableRotate ) this._handleTouchStartRotate( event );\n\n\t}\n\n\t_handleTouchMoveRotate( event ) {\n\n\t\tif ( this._pointers.length == 1 ) {\n\n\t\t\tthis._rotateEnd.set( event.pageX, event.pageY );\n\n\t\t} else {\n\n\t\t\tconst position = this._getSecondPointerPosition( event );\n\n\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\tthis._rotateEnd.set( x, y );\n\n\t\t}\n\n\t\tthis._rotateDelta.subVectors( this._rotateEnd, this._rotateStart ).multiplyScalar( this.rotateSpeed );\n\n\t\tconst element = this.domElement;\n\n\t\tthis._rotateLeft( _twoPI * this._rotateDelta.x / element.clientHeight ); // yes, height\n\n\t\tthis._rotateUp( _twoPI * this._rotateDelta.y / element.clientHeight );\n\n\t\tthis._rotateStart.copy( this._rotateEnd );\n\n\t}\n\n\t_handleTouchMovePan( event ) {\n\n\t\tif ( this._pointers.length === 1 ) {\n\n\t\t\tthis._panEnd.set( event.pageX, event.pageY );\n\n\t\t} else {\n\n\t\t\tconst position = this._getSecondPointerPosition( event );\n\n\t\t\tconst x = 0.5 * ( event.pageX + position.x );\n\t\t\tconst y = 0.5 * ( event.pageY + position.y );\n\n\t\t\tthis._panEnd.set( x, y );\n\n\t\t}\n\n\t\tthis._panDelta.subVectors( this._panEnd, this._panStart ).multiplyScalar( this.panSpeed );\n\n\t\tthis._pan( this._panDelta.x, this._panDelta.y );\n\n\t\tthis._panStart.copy( this._panEnd );\n\n\t}\n\n\t_handleTouchMoveDolly( event ) {\n\n\t\tconst position = this._getSecondPointerPosition( event );\n\n\t\tconst dx = event.pageX - position.x;\n\t\tconst dy = event.pageY - position.y;\n\n\t\tconst distance = Math.sqrt( dx * dx + dy * dy );\n\n\t\tthis._dollyEnd.set( 0, distance );\n\n\t\tthis._dollyDelta.set( 0, Math.pow( this._dollyEnd.y / this._dollyStart.y, this.zoomSpeed ) );\n\n\t\tthis._dollyOut( this._dollyDelta.y );\n\n\t\tthis._dollyStart.copy( this._dollyEnd );\n\n\t\tconst centerX = ( event.pageX + position.x ) * 0.5;\n\t\tconst centerY = ( event.pageY + position.y ) * 0.5;\n\n\t\tthis._updateZoomParameters( centerX, centerY );\n\n\t}\n\n\t_handleTouchMoveDollyPan( event ) {\n\n\t\tif ( this.enableZoom ) this._handleTouchMoveDolly( event );\n\n\t\tif ( this.enablePan ) this._handleTouchMovePan( event );\n\n\t}\n\n\t_handleTouchMoveDollyRotate( event ) {\n\n\t\tif ( this.enableZoom ) this._handleTouchMoveDolly( event );\n\n\t\tif ( this.enableRotate ) this._handleTouchMoveRotate( event );\n\n\t}\n\n\t// pointers\n\n\t_addPointer( event ) {\n\n\t\tthis._pointers.push( event.pointerId );\n\n\t}\n\n\t_removePointer( event ) {\n\n\t\tdelete this._pointerPositions[ event.pointerId ];\n\n\t\tfor ( let i = 0; i < this._pointers.length; i ++ ) {\n\n\t\t\tif ( this._pointers[ i ] == event.pointerId ) {\n\n\t\t\t\tthis._pointers.splice( i, 1 );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_isTrackingPointer( event ) {\n\n\t\tfor ( let i = 0; i < this._pointers.length; i ++ ) {\n\n\t\t\tif ( this._pointers[ i ] == event.pointerId ) return true;\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\t_trackPointer( event ) {\n\n\t\tlet position = this._pointerPositions[ event.pointerId ];\n\n\t\tif ( position === undefined ) {\n\n\t\t\tposition = new Vector2();\n\t\t\tthis._pointerPositions[ event.pointerId ] = position;\n\n\t\t}\n\n\t\tposition.set( event.pageX, event.pageY );\n\n\t}\n\n\t_getSecondPointerPosition( event ) {\n\n\t\tconst pointerId = ( event.pointerId === this._pointers[ 0 ] ) ? this._pointers[ 1 ] : this._pointers[ 0 ];\n\n\t\treturn this._pointerPositions[ pointerId ];\n\n\t}\n\n\t//\n\n\t_customWheelEvent( event ) {\n\n\t\tconst mode = event.deltaMode;\n\n\t\t// minimal wheel event altered to meet delta-zoom demand\n\t\tconst newEvent = {\n\t\t\tclientX: event.clientX,\n\t\t\tclientY: event.clientY,\n\t\t\tdeltaY: event.deltaY,\n\t\t};\n\n\t\tswitch ( mode ) {\n\n\t\t\tcase 1: // LINE_MODE\n\t\t\t\tnewEvent.deltaY *= 16;\n\t\t\t\tbreak;\n\n\t\t\tcase 2: // PAGE_MODE\n\t\t\t\tnewEvent.deltaY *= 100;\n\t\t\t\tbreak;\n\n\t\t}\n\n\t\t// detect if event was triggered by pinching\n\t\tif ( event.ctrlKey && ! this._controlActive ) {\n\n\t\t\tnewEvent.deltaY *= 10;\n\n\t\t}\n\n\t\treturn newEvent;\n\n\t}\n\n}\n\nfunction onPointerDown( event ) {\n\n\tif ( this.enabled === false ) return;\n\n\tif ( this._pointers.length === 0 ) {\n\n\t\tthis.domElement.setPointerCapture( event.pointerId );\n\n\t\tthis.domElement.addEventListener( 'pointermove', this._onPointerMove );\n\t\tthis.domElement.addEventListener( 'pointerup', this._onPointerUp );\n\n\t}\n\n\t//\n\n\tif ( this._isTrackingPointer( event ) ) return;\n\n\t//\n\n\tthis._addPointer( event );\n\n\tif ( event.pointerType === 'touch' ) {\n\n\t\tthis._onTouchStart( event );\n\n\t} else {\n\n\t\tthis._onMouseDown( event );\n\n\t}\n\n}\n\nfunction onPointerMove( event ) {\n\n\tif ( this.enabled === false ) return;\n\n\tif ( event.pointerType === 'touch' ) {\n\n\t\tthis._onTouchMove( event );\n\n\t} else {\n\n\t\tthis._onMouseMove( event );\n\n\t}\n\n}\n\nfunction onPointerUp( event ) {\n\n\tthis._removePointer( event );\n\n\tswitch ( this._pointers.length ) {\n\n\t\tcase 0:\n\n\t\t\tthis.domElement.releasePointerCapture( event.pointerId );\n\n\t\t\tthis.domElement.removeEventListener( 'pointermove', this._onPointerMove );\n\t\t\tthis.domElement.removeEventListener( 'pointerup', this._onPointerUp );\n\n\t\t\tthis.dispatchEvent( _endEvent );\n\n\t\t\tthis.state = _STATE.NONE;\n\n\t\t\tbreak;\n\n\t\tcase 1:\n\n\t\t\tconst pointerId = this._pointers[ 0 ];\n\t\t\tconst position = this._pointerPositions[ pointerId ];\n\n\t\t\t// minimal placeholder event - allows state correction on pointer-up\n\t\t\tthis._onTouchStart( { pointerId: pointerId, pageX: position.x, pageY: position.y } );\n\n\t\t\tbreak;\n\n\t}\n\n}\n\nfunction onMouseDown( event ) {\n\n\tlet mouseAction;\n\n\tswitch ( event.button ) {\n\n\t\tcase 0:\n\n\t\t\tmouseAction = this.mouseButtons.LEFT;\n\t\t\tbreak;\n\n\t\tcase 1:\n\n\t\t\tmouseAction = this.mouseButtons.MIDDLE;\n\t\t\tbreak;\n\n\t\tcase 2:\n\n\t\t\tmouseAction = this.mouseButtons.RIGHT;\n\t\t\tbreak;\n\n\t\tdefault:\n\n\t\t\tmouseAction = - 1;\n\n\t}\n\n\tswitch ( mouseAction ) {\n\n\t\tcase MOUSE.DOLLY:\n\n\t\t\tif ( this.enableZoom === false ) return;\n\n\t\t\tthis._handleMouseDownDolly( event );\n\n\t\t\tthis.state = _STATE.DOLLY;\n\n\t\t\tbreak;\n\n\t\tcase MOUSE.ROTATE:\n\n\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\tif ( this.enablePan === false ) return;\n\n\t\t\t\tthis._handleMouseDownPan( event );\n\n\t\t\t\tthis.state = _STATE.PAN;\n\n\t\t\t} else {\n\n\t\t\t\tif ( this.enableRotate === false ) return;\n\n\t\t\t\tthis._handleMouseDownRotate( event );\n\n\t\t\t\tthis.state = _STATE.ROTATE;\n\n\t\t\t}\n\n\t\t\tbreak;\n\n\t\tcase MOUSE.PAN:\n\n\t\t\tif ( event.ctrlKey || event.metaKey || event.shiftKey ) {\n\n\t\t\t\tif ( this.enableRotate === false ) return;\n\n\t\t\t\tthis._handleMouseDownRotate( event );\n\n\t\t\t\tthis.state = _STATE.ROTATE;\n\n\t\t\t} else {\n\n\t\t\t\tif ( this.enablePan === false ) return;\n\n\t\t\t\tthis._handleMouseDownPan( event );\n\n\t\t\t\tthis.state = _STATE.PAN;\n\n\t\t\t}\n\n\t\t\tbreak;\n\n\t\tdefault:\n\n\t\t\tthis.state = _STATE.NONE;\n\n\t}\n\n\tif ( this.state !== _STATE.NONE ) {\n\n\t\tthis.dispatchEvent( _startEvent );\n\n\t}\n\n}\n\nfunction onMouseMove( event ) {\n\n\tswitch ( this.state ) {\n\n\t\tcase _STATE.ROTATE:\n\n\t\t\tif ( this.enableRotate === false ) return;\n\n\t\t\tthis._handleMouseMoveRotate( event );\n\n\t\t\tbreak;\n\n\t\tcase _STATE.DOLLY:\n\n\t\t\tif ( this.enableZoom === false ) return;\n\n\t\t\tthis._handleMouseMoveDolly( event );\n\n\t\t\tbreak;\n\n\t\tcase _STATE.PAN:\n\n\t\t\tif ( this.enablePan === false ) return;\n\n\t\t\tthis._handleMouseMovePan( event );\n\n\t\t\tbreak;\n\n\t}\n\n}\n\nfunction onMouseWheel( event ) {\n\n\tif ( this.enabled === false || this.enableZoom === false || this.state !== _STATE.NONE ) return;\n\n\tevent.preventDefault();\n\n\tthis.dispatchEvent( _startEvent );\n\n\tthis._handleMouseWheel( this._customWheelEvent( event ) );\n\n\tthis.dispatchEvent( _endEvent );\n\n}\n\nfunction onKeyDown( event ) {\n\n\tif ( this.enabled === false ) return;\n\n\tthis._handleKeyDown( event );\n\n}\n\nfunction onTouchStart( event ) {\n\n\tthis._trackPointer( event );\n\n\tswitch ( this._pointers.length ) {\n\n\t\tcase 1:\n\n\t\t\tswitch ( this.touches.ONE ) {\n\n\t\t\t\tcase TOUCH.ROTATE:\n\n\t\t\t\t\tif ( this.enableRotate === false ) return;\n\n\t\t\t\t\tthis._handleTouchStartRotate( event );\n\n\t\t\t\t\tthis.state = _STATE.TOUCH_ROTATE;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase TOUCH.PAN:\n\n\t\t\t\t\tif ( this.enablePan === false ) return;\n\n\t\t\t\t\tthis._handleTouchStartPan( event );\n\n\t\t\t\t\tthis.state = _STATE.TOUCH_PAN;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tthis.state = _STATE.NONE;\n\n\t\t\t}\n\n\t\t\tbreak;\n\n\t\tcase 2:\n\n\t\t\tswitch ( this.touches.TWO ) {\n\n\t\t\t\tcase TOUCH.DOLLY_PAN:\n\n\t\t\t\t\tif ( this.enableZoom === false && this.enablePan === false ) return;\n\n\t\t\t\t\tthis._handleTouchStartDollyPan( event );\n\n\t\t\t\t\tthis.state = _STATE.TOUCH_DOLLY_PAN;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase TOUCH.DOLLY_ROTATE:\n\n\t\t\t\t\tif ( this.enableZoom === false && this.enableRotate === false ) return;\n\n\t\t\t\t\tthis._handleTouchStartDollyRotate( event );\n\n\t\t\t\t\tthis.state = _STATE.TOUCH_DOLLY_ROTATE;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\n\t\t\t\t\tthis.state = _STATE.NONE;\n\n\t\t\t}\n\n\t\t\tbreak;\n\n\t\tdefault:\n\n\t\t\tthis.state = _STATE.NONE;\n\n\t}\n\n\tif ( this.state !== _STATE.NONE ) {\n\n\t\tthis.dispatchEvent( _startEvent );\n\n\t}\n\n}\n\nfunction onTouchMove( event ) {\n\n\tthis._trackPointer( event );\n\n\tswitch ( this.state ) {\n\n\t\tcase _STATE.TOUCH_ROTATE:\n\n\t\t\tif ( this.enableRotate === false ) return;\n\n\t\t\tthis._handleTouchMoveRotate( event );\n\n\t\t\tthis.update();\n\n\t\t\tbreak;\n\n\t\tcase _STATE.TOUCH_PAN:\n\n\t\t\tif ( this.enablePan === false ) return;\n\n\t\t\tthis._handleTouchMovePan( event );\n\n\t\t\tthis.update();\n\n\t\t\tbreak;\n\n\t\tcase _STATE.TOUCH_DOLLY_PAN:\n\n\t\t\tif ( this.enableZoom === false && this.enablePan === false ) return;\n\n\t\t\tthis._handleTouchMoveDollyPan( event );\n\n\t\t\tthis.update();\n\n\t\t\tbreak;\n\n\t\tcase _STATE.TOUCH_DOLLY_ROTATE:\n\n\t\t\tif ( this.enableZoom === false && this.enableRotate === false ) return;\n\n\t\t\tthis._handleTouchMoveDollyRotate( event );\n\n\t\t\tthis.update();\n\n\t\t\tbreak;\n\n\t\tdefault:\n\n\t\t\tthis.state = _STATE.NONE;\n\n\t}\n\n}\n\nfunction onContextMenu( event ) {\n\n\tif ( this.enabled === false ) return;\n\n\tevent.preventDefault();\n\n}\n\nfunction interceptControlDown( event ) {\n\n\tif ( event.key === 'Control' ) {\n\n\t\tthis._controlActive = true;\n\n\t\tconst document = this.domElement.getRootNode(); // offscreen canvas compatibility\n\n\t\tdocument.addEventListener( 'keyup', this._interceptControlUp, { passive: true, capture: true } );\n\n\t}\n\n}\n\nfunction interceptControlUp( event ) {\n\n\tif ( event.key === 'Control' ) {\n\n\t\tthis._controlActive = false;\n\n\t\tconst document = this.domElement.getRootNode(); // offscreen canvas compatibility\n\n\t\tdocument.removeEventListener( 'keyup', this._interceptControlUp, { passive: true, capture: true } );\n\n\t}\n\n}\n\nexport { OrbitControls };\n", "import type { Vector3 } from 'three';\n\nimport type { Coordinate3d, CoordinateXYZ } from './Coordinates';\n\nlet scaleFactor = 1.0;\n\n/**\n * Set the number of units per AU.\n */\nexport function setScaleFactor(val: number) {\n scaleFactor = val;\n}\n\n/**\n * Get the number of units per AU.\n */\nexport function getScaleFactor(): number {\n return scaleFactor;\n}\n\nexport function rescalePos(pos: CoordinateXYZ): CoordinateXYZ {\n pos.x *= scaleFactor;\n pos.y *= scaleFactor;\n pos.z *= scaleFactor;\n return pos;\n}\n\nexport function rescaleArray(XYZ: Coordinate3d): Coordinate3d {\n return [XYZ[0] * scaleFactor, XYZ[1] * scaleFactor, XYZ[2] * scaleFactor];\n}\n\nexport function rescaleXYZ(X: number, Y: number, Z: number): Coordinate3d {\n return [X * scaleFactor, Y * scaleFactor, Z * scaleFactor];\n}\n\nexport function rescaleVector(vec: Vector3): Vector3 {\n return vec.multiplyScalar(scaleFactor);\n}\n\nexport function rescaleNumber(x: number): number {\n return scaleFactor * x;\n}\n", "import * as THREE from 'three';\nimport { OrbitControls } from 'three/examples/jsm/controls/OrbitControls.js';\nimport type { PerspectiveCamera } from 'three';\n\nimport { rescaleNumber, rescaleArray } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\nimport type { SimulationContext } from './Simulation';\nimport type { SpaceObject } from './SpaceObject';\n\n/**\n * A wrapper for Three.js camera and controls.\n * TODO(ian): Rename to \"Viewer\"\n */\nexport default class Camera {\n private context: SimulationContext;\n\n private camera: PerspectiveCamera;\n\n private cameraControls: OrbitControls;\n\n private followMesh?: THREE.Object3D;\n\n /**\n * @param {Object} context The simulation context\n */\n constructor(context: SimulationContext) {\n // TODO(ian): Accept either context or container\n this.context = context;\n\n // Optional mesh that we are following.\n this.followMesh = undefined;\n\n const containerWidth = this.context.container.width;\n const containerHeight = this.context.container.height;\n\n const camera = new THREE.PerspectiveCamera(\n 50,\n containerWidth / containerHeight,\n rescaleNumber(0.00001),\n rescaleNumber(2000),\n );\n this.camera = camera;\n\n // Controls\n // TODO(ian): Set maxDistance to prevent camera farplane cutoff.\n // See https://discourse.threejs.org/t/camera-zoom-to-fit-object/936/6\n\n // TODO(ian): Access this better\n const renderer = this.context.simulation.getRenderer();\n\n const controls = new OrbitControls(this.camera, renderer.domElement);\n controls.enableDamping = true;\n controls.dampingFactor = 0.05;\n controls.enablePan = true;\n controls.zoomSpeed = 1.5;\n controls.panSpeed = 2;\n controls.rotateSpeed = 2;\n controls.mouseButtons = {\n LEFT: THREE.MOUSE.ROTATE,\n MIDDLE: THREE.MOUSE.DOLLY,\n RIGHT: THREE.MOUSE.PAN,\n };\n controls.touches = {\n ONE: THREE.TOUCH.ROTATE,\n TWO: THREE.TOUCH.DOLLY_ROTATE,\n };\n this.cameraControls = controls;\n }\n\n /**\n * Move the camera to follow a SpaceObject as it moves. Currently only works\n * for non-particlesystems.\n * @param {SpaceObject} obj SpaceObject to follow.\n * @param {Array.} position Position of the camera with respect to\n * the object.\n */\n followObject(obj: SpaceObject, position: Coordinate3d) {\n const followMesh = obj.get3jsObjects()[0];\n\n this.cameraControls.enablePan = false;\n\n const rescaled = rescaleArray(position);\n this.camera.position.add(\n new THREE.Vector3(rescaled[0], rescaled[1], rescaled[2]),\n );\n\n this.cameraControls.update();\n this.followMesh = followMesh;\n }\n\n /**\n * Stop the camera from following the object.\n */\n stopFollowingObject() {\n if (this.followMesh) {\n this.followMesh.remove(this.camera);\n this.followMesh = undefined;\n this.cameraControls.enablePan = true;\n }\n }\n\n /**\n * @returns {boolean} True if camera is following object.\n */\n isFollowingObject(): boolean {\n return !!this.followMesh;\n }\n\n /**\n * @returns {THREE.PerspectiveCamera} The THREE.js camera object.\n */\n get3jsCamera(): THREE.PerspectiveCamera {\n return this.camera;\n }\n\n /**\n * @returns {THREE.OrbitControls} The THREE.js CameraControls object.\n */\n get3jsCameraControls(): OrbitControls {\n return this.cameraControls;\n }\n\n /**\n * Update the camera position and process control inputs.\n */\n update() {\n if (this.isFollowingObject()) {\n const newpos = this.followMesh!.position.clone();\n\n const offset = newpos.clone().sub(this.cameraControls.target);\n this.camera.position.add(offset);\n\n this.cameraControls.target.set(newpos.x, newpos.y, newpos.z);\n }\n\n // Handle control movements\n this.cameraControls.update();\n\n // Update camera matrix\n this.camera.updateMatrixWorld();\n }\n}\n", "export default class Units {\n static rad(val: number): number {\n return (val * Math.PI) / 180;\n }\n\n static deg(val: number): number {\n return (val * 180) / Math.PI;\n }\n\n static hoursToDeg(val: number): number {\n return val * 15.0;\n }\n\n static sexagesimalToDecimalRa(\n raHour: number,\n raMin: number,\n raSec: number,\n ): number {\n // https://astronomy.stackexchange.com/questions/24518/convert-a-decimal-into-ra-or-dec\n return raHour * 15.0 + raMin / 4.0 + raSec / 240.0;\n }\n\n static sexagesimalToDecimalDec(\n decDeg: number,\n decMin: number,\n decSec: number,\n isObserverBelowEquator: boolean = false,\n ): number {\n const posneg = isObserverBelowEquator ? -1 : 1;\n return decDeg + decMin / 60.0 + (posneg * decSec) / 3600.0;\n }\n\n static valToSexagesimalRa(val: number): [number, number, number] {\n const raHour = Math.trunc(val / 15.0);\n const raMin = Math.trunc((val - raHour * 15.0) * 4.0);\n const raSec = (val - raHour * 15.0 - raMin / 4.0) * 240.0;\n return [raHour, raMin, raSec];\n }\n\n static decimalToSexagesimalDec(\n val: number,\n isObserverBelowEquator: boolean = false,\n ) {\n const posneg = isObserverBelowEquator ? -1 : 1;\n\n const decDeg = Math.trunc(val);\n const decMin = Math.trunc((val - posneg * decDeg) * 60.0 * posneg);\n const decSec =\n (val - posneg * decDeg - (posneg * decMin) / 60.0) * 3600.0 * posneg;\n return [decDeg, decMin, decSec];\n }\n\n static kmToAu(km: number): number {\n return km / 149597870.7;\n }\n\n static auToKm(au: number): number {\n return au * 149597870.7;\n }\n}\n", "import Units from './Units';\n\nexport type Coordinate3d = [number, number, number];\nexport type CoordinateXYZ = {\n x: number;\n y: number;\n z: number;\n};\n\nconst J2000: number = 2451545.0;\n\nexport default class Coordinates {\n static sphericalToCartesian(\n ra: number,\n dec: number,\n dist: number,\n ): Coordinate3d {\n // See http://www.stargazing.net/kepler/rectang.html\n return [\n dist * Math.cos(ra) * Math.cos(dec),\n dist * Math.sin(ra) * Math.cos(dec),\n dist * Math.sin(dec),\n ];\n }\n\n /**\n * See https://en.wikipedia.org/wiki/Ecliptic_coordinate_system#Converting_Cartesian_vector\n */\n static equatorialToEcliptic_Cartesian(\n x: number,\n y: number,\n z: number,\n tilt: number,\n ): Coordinate3d {\n return [\n x,\n Math.cos(tilt) * y + Math.sin(tilt) * z,\n -Math.sin(tilt) * y + Math.cos(tilt) * z,\n ];\n }\n\n static eclipticToEquatorial_Cartesian(\n x: number,\n y: number,\n z: number,\n tilt: number,\n ): Coordinate3d {\n return [\n x,\n Math.cos(tilt) * y + -Math.sin(tilt) * z,\n Math.sin(tilt) * y + Math.cos(tilt) * z,\n ];\n }\n\n /**\n * Get Earth's obliquity and nutation at a given date.\n * @param {Number} jd JD date\n * @return {Object} Object with attributes \"obliquity\" and \"nutation\" provided\n * in radians\n */\n static getNutationAndObliquity(jd: number = J2000): {\n nutation: number;\n obliquity: number;\n } {\n const t = (jd - J2000) / 36525;\n const omega = Units.rad(\n 125.04452 - 1934.136261 * t + 0.0020708 * t * t + (t * t + t) / 450000,\n );\n const Lsun = Units.rad(280.4665 + 36000.7698 * t);\n const Lmoon = Units.rad(218.3165 + 481267.8813 * t);\n\n const nutation =\n (-17.2 / 3600) * Math.sin(omega) -\n (-1.32 / 3600) * Math.sin(2 * Lsun) -\n (0.23 / 3600) * Math.sin(2 * Lmoon) +\n Units.deg((0.21 / 3600) * Math.sin(2 * omega));\n\n const obliquity_zero =\n 23 +\n 26.0 / 60 +\n 21.448 / 3600 -\n (46.815 / 3600) * t -\n (0.00059 / 3600) * t * t +\n (0.001813 / 3600) * t * t * t;\n const obliquity_delta =\n (9.2 / 3600) * Math.cos(omega) +\n (0.57 / 3600) * Math.cos(2 * Lsun) +\n (0.1 / 3600) * Math.cos(2 * Lmoon) -\n (0.09 / 3600) * Math.cos(2 * omega);\n const obliquity = obliquity_zero + obliquity_delta;\n\n return {\n nutation: Units.rad(nutation),\n obliquity: Units.rad(obliquity),\n };\n }\n\n /**\n * Get Earth's obliquity at a given date.\n * @param {Number} jd JD date\n * @return {Number} Obliquity in radians\n */\n static getObliquity(jd: number = J2000): number {\n return this.getNutationAndObliquity(jd).obliquity;\n }\n}\n", "const METERS_IN_AU = 149597870700;\nconst SECONDS_IN_DAY = 86400;\n\ntype EphemAttribute =\n | 'a'\n | 'e'\n | 'i'\n | 'q'\n | 'epoch'\n | 'period'\n | 'tp'\n | 'ma'\n | 'n'\n | 'L'\n | 'om'\n | 'w'\n | 'wBar'\n | 'GM';\n\ninterface EphemAttributes {\n a?: number;\n e?: number;\n i?: number;\n q?: number;\n epoch?: number;\n period?: number;\n tp?: number;\n\n ma?: number;\n n?: number;\n L?: number;\n om?: number;\n w?: number;\n wBar?: number;\n GM?: number;\n}\n\n// TODO(ian): Allow multiple valid attrs for a single quantity and map them\n// internally to a single canonical attribute.\nconst EPHEM_VALID_ATTRS: Set = new Set([\n 'a', // Semi-major axis\n 'e', // Eccentricity\n 'i', // Inclination\n 'q', // Perihelion distance\n\n 'epoch',\n 'period', // in days\n 'tp', // time of perihelion\n\n 'ma', // Mean anomaly\n 'n', // Mean motion\n 'L', // Mean longitude\n\n 'om', // Longitude of Ascending Node\n 'w', // Argument of Perihelion = Longitude of Perihelion - Longitude of Ascending Node\n 'wBar', // Longitude of Perihelion = Longitude of Ascending Node + Argument of Perihelion\n\n 'GM', // Gravitational constant of more massive body\n]);\n\n// Which of these are angular measurements.\nconst ANGLE_UNITS: Set = new Set([\n 'i',\n 'ma',\n 'n',\n 'L',\n 'om',\n 'w',\n 'wBar',\n]);\n\n/**\n * Standard gravitational parameter for objects orbiting these bodies.\n * Units in m^3/s^2\n */\nexport const GM: {\n SUN: number;\n MERCURY: number;\n VENUS: number;\n EARTH_MOON: number;\n MARS: number;\n JUPITER: number;\n SATURN: number;\n URANUS: number;\n NEPTUNE: number;\n PLUTO_CHARON: number;\n} = {\n // See https://space.stackexchange.com/questions/22948/where-to-find-the-best-values-for-standard-gravitational-parameters-of-solar-sys and https://naif.jpl.nasa.gov/pub/naif/generic_kernels/pck/gm_de431.tpc\n SUN: 1.3271244004193938e20,\n MERCURY: 2.2031780000000021e13,\n VENUS: 3.2485859200000006e14,\n EARTH_MOON: 4.0350323550225981e14,\n MARS: 4.2828375214000022e13,\n JUPITER: 1.2671276480000021e17,\n SATURN: 3.7940585200000003e16,\n URANUS: 5.794548600000008e15,\n NEPTUNE: 6.8365271005800236e15,\n PLUTO_CHARON: 9.7700000000000068e11,\n};\n\n// Returns true if object is a number.\nfunction isDef(obj?: number) {\n return typeof obj !== 'undefined' && Number.isFinite(obj);\n}\n\n/**\n * A class representing Kepler ephemerides.\n * @example\n * ```\n * const NEPTUNE = new Ephem({\n * epoch: 2458426.500000000,\n * a: 3.009622263428050E+01,\n * e: 7.362571187193770E-03,\n * i: 1.774569249829094E+00,\n * om: 1.318695882492132E+02,\n * w: 2.586226409499831E+02,\n * ma: 3.152804988924479E+02,\n * }, 'deg'),\n * ```\n */\nexport class Ephem {\n private attrs: EphemAttributes;\n\n private locked: boolean;\n\n /**\n * @param {Object} initialValues A dictionary of initial values. Not all values\n * are required as some may be inferred from others.\n * @param {Number} initialValues.a Semimajor axis\n * @param {Number} initialValues.e Eccentricity\n * @param {Number} initialValues.i Inclination\n * @param {Number} initialValues.epoch Epoch in JD\n * @param {Number} initialValues.period Period in days\n * @param {Number} initialValues.ma Mean anomaly\n * @param {Number} initialValues.n Mean motion, deg or rad per day (instead of per second)\n * @param {Number} initialValues.L Mean longitude\n * @param {Number} initialValues.om Longitude of Ascending Node\n * @param {Number} initialValues.w Argument of Perihelion\n * @param {Number} initialValues.wBar Longitude of Perihelion\n * @param {GM} initialValues.GM Standard gravitational parameter in m^3/s^2 (instead of km^3/s^2).\n * Defaults to GM.SUN. @see {GM}\n * @param {'deg'|'rad'} units The unit of angles in the list of initial values.\n */\n constructor(\n initialValues: EphemAttributes,\n units: 'rad' | 'deg' = 'rad',\n locked: boolean = false,\n ) {\n this.attrs = {};\n this.locked = false;\n\n for (const attr in initialValues) {\n if (initialValues.hasOwnProperty(attr)) {\n const actualUnits = ANGLE_UNITS.has(attr) ? units : null;\n this.set(\n attr as EphemAttribute,\n initialValues[attr as keyof EphemAttributes] as number,\n actualUnits as 'rad' | 'deg',\n );\n }\n }\n\n if (typeof this.attrs.GM === 'undefined') {\n this.attrs.GM = GM.SUN;\n }\n this.fill();\n\n if (this.get('e') >= 0.999 && typeof this.getUnsafe('tp') === 'undefined') {\n console.warn(\n 'You must specify \"tp\" (time of perihelion) for highly eccentric orbits',\n );\n }\n\n this.locked = locked;\n }\n\n /**\n * Sets an ephemerides attribute.\n * @param {String} attr The name of the attribute (e.g. 'a')\n * @param {Number} val The value of the attribute (e.g. 0.5)\n * @param {'deg'|'rad'} units The unit of angle provided, if applicable.\n */\n set(attr: EphemAttribute, val: number, units: 'deg' | 'rad' = 'rad') {\n if (this.locked) {\n throw new Error('Attempted to modify locked (immutable) Ephem object');\n }\n\n if (!EPHEM_VALID_ATTRS.has(attr)) {\n console.warn(`Invalid ephem attr: ${attr}`);\n return false;\n }\n\n // Store everything in radians.\n // TODO(ian): Make sure value can't be set with bogus units.\n if (units === 'deg') {\n this.attrs[attr] = (val * Math.PI) / 180;\n } else {\n this.attrs[attr] = val;\n }\n return true;\n }\n\n /**\n * Gets an ephemerides attribute, but may return undefined if it's not set.\n * @param {String} attr The name of the attribute (e.g. 'a')\n * @param {'deg'|'rad'} units The unit of angle desired, if applicable. This\n * input is ignored for values that are not angle measurements.\n * @return {Number} Ephemeris attribute value, or undefined\n */\n getUnsafe(\n attr: EphemAttribute,\n units: 'deg' | 'rad' = 'rad',\n ): number | undefined {\n if (units === 'deg') {\n const attrVal = this.attrs[attr];\n if (typeof attrVal === 'undefined') {\n return undefined;\n }\n return (attrVal * 180) / Math.PI;\n }\n return this.attrs[attr];\n }\n\n /**\n * Gets an ephemerides attribute.\n * @param {String} attr The name of the attribute (e.g. 'a')\n * @param {'deg'|'rad'} units The unit of angle desired, if applicable. This\n * input is ignored for values that are not angle measurements.\n * @return {Number} Ephemeris attribute value\n */\n get(attr: EphemAttribute, units: 'deg' | 'rad' = 'rad'): number {\n const retVal = this.getUnsafe(attr, units);\n if (typeof retVal === 'undefined') {\n console.info(this.attrs);\n throw new Error(\n `Attempted to get ephemeris value '${attr}' but it was undefined`,\n );\n }\n return retVal;\n }\n\n /**\n * @private\n * Infers values of some ephemerides attributes if the required information\n * is available.\n */\n private fill() {\n // Perihelion distance and semimajor axis\n const e = this.getUnsafe('e');\n if (!isDef(e)) {\n console.info(this.attrs);\n throw new Error('Must define eccentricity \"e\" in an orbit');\n }\n\n // Semimajor axis and perihelion distance\n let a = this.getUnsafe('a');\n let q = this.getUnsafe('q');\n if (isDef(a)) {\n if (!isDef(q)) {\n if (e! >= 1.0) {\n throw new Error(\n 'Must provide perihelion distance \"q\" if eccentricity \"e\" is greater than 1',\n );\n }\n q = a! * (1.0 - e!);\n this.set('q', q);\n }\n } else if (isDef(q)) {\n a = q! / (1.0 - e!);\n this.set('a', a);\n } else {\n throw new Error(\n 'Must define semimajor axis \"a\" or perihelion distance \"q\" in an orbit',\n );\n }\n\n // Longitude/Argument of Perihelion and Long. of Ascending Node\n let w = this.getUnsafe('w');\n let wBar = this.getUnsafe('wBar');\n let om = this.getUnsafe('om');\n if (isDef(w) && isDef(om) && !isDef(wBar)) {\n wBar = w! + om!;\n this.set('wBar', wBar);\n } else if (isDef(wBar) && isDef(om) && !isDef(w)) {\n w = wBar! - om!;\n this.set('w', w);\n } else if (isDef(w) && isDef(wBar) && !isDef(om)) {\n om = wBar! - w!;\n this.set('om', om);\n }\n\n // Mean motion and period\n const aMeters = a! * METERS_IN_AU;\n const n = this.getUnsafe('n');\n const GM = this.getUnsafe('GM');\n let period = this.getUnsafe('period');\n\n if (!isDef(period) && isDef(a)) {\n if (!isDef(GM)) {\n throw new Error('Expected ephemeris attribute GM to be set');\n }\n period =\n (2 * Math.PI * Math.sqrt((aMeters * aMeters * aMeters) / GM!)) /\n SECONDS_IN_DAY;\n this.set('period', period);\n }\n\n if (e! < 1.0) {\n // Only work with mean motion for elliptical orbits.\n if (isDef(period) && !isDef(n)) {\n // Set radians\n const newN = (2.0 * Math.PI) / period!;\n this.set('n', newN);\n } else if (isDef(n) && !isDef(period)) {\n this.set('period', (2.0 * Math.PI) / n!);\n }\n }\n\n // Mean longitude\n const ma = this.getUnsafe('ma');\n let L = this.getUnsafe('L');\n if (!isDef(L) && isDef(om) && isDef(w) && isDef(ma)) {\n L = om! + w! + ma!;\n this.set('L', L);\n }\n\n // Mean anomaly\n if (!isDef(ma)) {\n // MA = Mean longitude - Longitude of perihelion\n this.set('ma', L! - wBar!);\n }\n\n // TODO(ian): Handle no om\n }\n\n /**\n * Make this ephem object immutable.\n */\n lock() {\n this.locked = true;\n }\n\n copy(): Ephem {\n return new Ephem(\n {\n GM: this.getUnsafe('GM'),\n epoch: this.getUnsafe('epoch'),\n a: this.getUnsafe('a'),\n e: this.getUnsafe('e'),\n i: this.getUnsafe('i'),\n om: this.getUnsafe('om'),\n ma: this.getUnsafe('ma'),\n w: this.getUnsafe('w'),\n period: this.getUnsafe('period'), // save period, if given, more accurate than calculating it from GM & a\n },\n 'rad',\n );\n }\n}\n", "/**\n * Interpolates the given 2D array of data using a Lagrange Polynomial interpolation. User specifies first/last row\n * versus giving a number of sample points and a starting index. For best performance number of points generally would\n * be between 1 (linear) and 7\n *\n * @param {Array} data array\n * @param {Number} xValue value of x to evaluate for function y = f(x) represented by the data\n * @param {Number} sampleRowMin first row of data to use for the interpolation\n * @param {Number} sampleRowMax last row of data to use for the interpolation\n * @param {Number} xIndex the column of data which represents the 'x' variable of y = f(x)\n * @param {Number} yIndex the column of data which represents the 'y' curve data of y = f(x)\n * @returns {Number} the interpolated value of the function f(x) from the data\n */\nexport function interpolate(\n data: number[][],\n xValue: number,\n sampleRowMin: number,\n sampleRowMax: number,\n xIndex: number,\n yIndex: number,\n): number {\n if (data === undefined) {\n throw 'data object is undefined';\n }\n\n if (!Array.isArray(data)) {\n throw 'data object must be an array';\n }\n\n if (sampleRowMin >= sampleRowMax) {\n throw 'first row must be greater than last row';\n }\n\n if (sampleRowMin < 0) {\n throw 'first row must be greater than zero';\n }\n\n if (sampleRowMax > data.length - 1) {\n throw 'last row must be ';\n }\n\n if (!Array.isArray(data[sampleRowMin])) {\n throw 'data in rows must be array data';\n }\n\n const maxColumn = data[0].length - 1;\n if (xIndex < 0 || xIndex > maxColumn) {\n throw `xIndex has to be between 0 and ${maxColumn}: ${xIndex}`;\n }\n\n if (yIndex < 0 || yIndex > maxColumn) {\n throw `yIndex has to be between 0 and ${maxColumn}: ${yIndex}`;\n }\n\n let sum = 0;\n for (let j = sampleRowMin; j <= sampleRowMax; j++) {\n let prod = 1;\n for (let k = sampleRowMin; k <= sampleRowMax; k++) {\n if (k === j) {\n continue;\n }\n prod *= (xValue - data[k][xIndex]) / (data[j][xIndex] - data[k][xIndex]);\n }\n\n sum += prod * data[j][yIndex];\n }\n\n return sum;\n}\n", "import * as THREE from 'three';\n\nconst DEFAULT_COMPARER_METHOD = (a: any, b: any) => {\n return a - b;\n};\n/**\n * @ignore\n */\nexport const DEFAULT_TEXTURE_URL = '{{assets}}/sprites/fuzzyparticle.png';\n\n/**\n * Returns the complete URL to a texture given a basepath and a template url.\n * @param {String} template URL containing optional template parameters\n * @param {String} basePath Base path\n * @example\n * ```\n * getFullUrl('{{assets}}/images/mysprite.png', '/path/to/assets')\n * => '/path/to/assets/images/mysprite.png'\n * ```\n */\nexport function getFullUrl(template: string, basePath: string) {\n return template\n .replace('{{assets}}', `${basePath}/assets`)\n .replace('{{data}}', `${basePath}/data`);\n}\n\n/**\n * Returns the complete URL to a texture given a basepath and a template url.\n * @param {String} template URL containing optional template parameters\n * @param {String} basePath Base path for simulation data and assets.\n * @example\n * ```\n * getFullTextureUrl('{{assets}}/images/mysprite.png', '/path/to/assets')\n * => '/path/to/assets/images/mysprite.png'\n * ```\n */\nexport function getFullTextureUrl(template: string, basePath: string) {\n return getFullUrl(template || DEFAULT_TEXTURE_URL, basePath);\n}\n\n/*\n * Returns a THREE.js texture given a basepath and a template url.\n * @param {String} template URL containing optional template parameters\n * @param {String} basePath Base path for simulation data and assets.\n */\nexport function getThreeJsTexture(template: string, basePath: string) {\n const fullTextureUrl = getFullTextureUrl(template, basePath);\n const texture = new THREE.TextureLoader().load(fullTextureUrl);\n texture.colorSpace = THREE.SRGBColorSpace;\n return texture;\n}\n\nexport function getDefaultBasePath() {\n return window.location.href.indexOf('localhost') > -1\n ? '/src/'\n : 'https://typpo.github.io/spacekit/src';\n}\n\n/**\n * Performs a standard binary search on an array of values returning the index of the found item or the twos complement\n * negative of the closest value if the exact value isn't found. For example for array: [10, 20, 30]\n * * Searching for a value of 20 would return an index of 1\n * * Searching for a value of 12 would return a value of -2 (taking the two's complement back '~' give you 1)\n * @param {Array} data an array of values of the type consistent with the comparer method\n * @param value the value to be searched for in the data array\n * @param {Function} [comparer] a function which takes two arguments: first of same type as data row and second as same\n * time as value to compare. Default method is a numerical comparison\n * @returns {number}\n */\nexport function binarySearch(\n data: any[],\n value: any,\n comparer = DEFAULT_COMPARER_METHOD,\n) {\n if (data === undefined) {\n throw 'data object is undefined';\n }\n\n if (!Array.isArray(data)) {\n throw 'data object must be an array';\n }\n\n if (value === undefined) {\n throw 'value object must be defined';\n }\n\n if (comparer === undefined) {\n throw 'comparer must be defined';\n }\n\n let left = 0;\n let right = data.length;\n\n while (left <= right) {\n let middle = Math.floor((left + right) / 2);\n if (middle === data.length) {\n return middle;\n }\n let comparisonCalc = comparer(data[middle], value);\n if (comparisonCalc < 0) {\n left = middle + 1;\n } else if (comparisonCalc > 0) {\n right = middle - 1;\n } else {\n return middle;\n }\n }\n\n return ~left;\n}\n", "import * as SpacekitMath from './Math';\nimport * as Util from './util';\n\nimport Units from './Units';\n\nimport type { Coordinate3d } from './Coordinates';\n\n/**\n * A class representing an ephemeris look-up table for defining a space object.\n */\n\n// Types\ntype InterpolationType = 'lagrange';\ntype EphemType = 'cartesianposvel';\ntype DistanceUnits = 'au' | 'km';\ntype TimeUnits = 'day' | 'sec';\n\ninterface EphemerisTableUnits {\n distance: DistanceUnits;\n time: TimeUnits;\n}\n\ninterface EphemerisTableData {\n data: number[][];\n ephemerisType?: EphemType;\n distanceUnits: DistanceUnits;\n timeUnits: TimeUnits;\n interpolationType?: InterpolationType;\n interpolationOrder?: number;\n}\n\n// Constants\nconst MAX_INTERPOLATION_ORDER = 20;\nconst INCREASING_JDATE_SEARCH_METHOD = (a: number[], b: number) => a[0] - b;\n\n// Default Values\nconst DEFAULT_UNITS: EphemerisTableUnits = {\n distance: 'au',\n time: 'day',\n};\n\nconst DEFAULT_EPHEM_TYPE = 'cartesianposvel';\nconst DEFAULT_INTERPOLATION_TYPE = 'lagrange';\nconst DEFAULT_INTERPOLATION_ORDER = 5;\n\n// Allowable unit types\nconst DISTANCE_UNITS = new Set(['km', 'au']);\nconst EPHEM_TYPES = new Set(['cartesianposvel']);\nconst INTERPOLATION_TYPES = new Set(['lagrange']);\nconst TIME_UNITS = new Set(['day', 'sec']);\n\n/**\n * This class encapsulates the data and necessary methods for operating with look up ephemeris data.\n * Users of the class pass in their ephemeris data as a data structure with the data and the settings for the ephemeris.\n * The settings include things like the units, and the ephemeris representation. The ephemeris data itself is an array\n * of arrays where each line constitute the necessary components of the line.\n *\n * For 'cartesianposvel' style ephemeris each line of data looks like: [Julian Date, X, Y, Z, Vx, Vy, Vz]\n */\nexport class EphemerisTable {\n private units: EphemerisTableUnits;\n\n private ephemType: EphemType;\n\n private interpolationType: InterpolationType;\n\n private interpolationOrder: number;\n\n private data: number[][];\n\n /**\n * @param {Object} ephemerisData Look up ephemeris data to initialize the table with and the properties of it\n * @param {Array.>} ephemerisData.data the ephemeris data appropriate for the specified ephemeris type\n * @param {String} ephemerisData.ephemerisType the type of ephemeres data here (defaults to 'cartesianposvel')\n * @param {String} ephemerisData.distanceUnits the distance units for this data (defaults to AU\n * @param {String} ephemerisData.timeUnits the distance units for this data (defaults to day)\n * @param {String} ephemerisData.interpolationType the type of interpolater to use (defaults to 'lagrange')\n * @param {Number} ephemerisData.interpolationOrder the order of the interpolator to use (defaults to 5)\n */\n constructor(ephemerisData: EphemerisTableData) {\n this.units = JSON.parse(JSON.stringify(DEFAULT_UNITS));\n this.ephemType = DEFAULT_EPHEM_TYPE;\n this.interpolationType = DEFAULT_INTERPOLATION_TYPE;\n this.interpolationOrder = DEFAULT_INTERPOLATION_ORDER;\n\n if (!ephemerisData) {\n throw new Error(\n 'EphemerisTable must be initialized with an ephemeris data structure',\n );\n }\n\n if (\n !ephemerisData.data ||\n !Array.isArray(ephemerisData.data) ||\n ephemerisData.data.length === 0 ||\n !Array.isArray(ephemerisData.data[0])\n ) {\n throw new Error(\n 'EphemerisTable must be initialized with a structure containing an array of arrays of ephemeris data',\n );\n }\n this.data = JSON.parse(JSON.stringify(ephemerisData.data));\n\n if (ephemerisData.distanceUnits) {\n if (!DISTANCE_UNITS.has(ephemerisData.distanceUnits)) {\n throw new Error(\n `Unknown distance units: ${ephemerisData.distanceUnits}`,\n );\n }\n this.units.distance = ephemerisData.distanceUnits;\n }\n\n if (ephemerisData.timeUnits) {\n if (!TIME_UNITS.has(ephemerisData.timeUnits)) {\n throw new Error(`Unknown time units: ${ephemerisData.timeUnits}`);\n }\n this.units.time = ephemerisData.timeUnits;\n }\n\n if (ephemerisData.ephemerisType) {\n if (!EPHEM_TYPES.has(ephemerisData.ephemerisType)) {\n throw new Error(\n `Unknown ephemeris type: ${ephemerisData.ephemerisType}`,\n );\n }\n this.ephemType = ephemerisData.ephemerisType;\n }\n\n if (ephemerisData.interpolationType) {\n if (!INTERPOLATION_TYPES.has(ephemerisData.interpolationType)) {\n throw new Error(\n `Unknown interpolation type: ${ephemerisData.interpolationType}`,\n );\n }\n this.interpolationType = ephemerisData.interpolationType;\n }\n\n if (ephemerisData.interpolationOrder !== undefined) {\n if (\n ephemerisData.interpolationOrder < 1 ||\n ephemerisData.interpolationOrder > MAX_INTERPOLATION_ORDER\n ) {\n throw new Error(\n `Interpolation order must be >0 and <${MAX_INTERPOLATION_ORDER}: ${ephemerisData.interpolationOrder}`,\n );\n }\n this.interpolationOrder = ephemerisData.interpolationOrder;\n }\n\n if (\n this.units.distance !== DEFAULT_UNITS.distance ||\n this.units.time !== DEFAULT_UNITS.time\n ) {\n const distanceMultiplier = this.calcDistanceMultiplier(\n this.units.distance,\n );\n const timeMultiplier = this.calcTimeMultiplier(this.units.time);\n this.data.forEach((line) => {\n line[1] *= distanceMultiplier;\n line[2] *= distanceMultiplier;\n line[3] *= distanceMultiplier;\n line[4] *= distanceMultiplier * timeMultiplier;\n line[5] *= distanceMultiplier * timeMultiplier;\n line[6] *= distanceMultiplier * timeMultiplier;\n });\n }\n }\n\n /**\n * Returns the first Julian date in the ephemeris table.\n */\n getStartJd(): number {\n return this.data[0][0];\n }\n\n /**\n * Returns the last Julian date in the ephemeris table.\n */\n getStopJd(): number {\n return this.data[this.data.length - 1][0];\n }\n\n /**\n * Calculates the interpolated position for the given requested date. If the requested date is before the first\n * point it returns the first point. If the requested date is after the last point it returns the last point.\n * @param {Number} jd of the requested time\n * @returns {Number[]|*[]} x, y, z position in the ephemeris table's reference frame\n */\n getPositionAtTime(jd: number): Coordinate3d {\n if (jd <= this.data[0][0]) {\n return [this.data[0][1], this.data[0][2], this.data[0][3]];\n }\n\n const last = this.data[this.data.length - 1];\n if (jd >= last[0]) {\n return [last[1], last[2], last[3]];\n }\n\n const { startIndex, stopIndex } = this.calcBoundingIndices(jd);\n const x = SpacekitMath.interpolate(\n this.data,\n jd,\n startIndex,\n stopIndex,\n 0,\n 1,\n );\n const y = SpacekitMath.interpolate(\n this.data,\n jd,\n startIndex,\n stopIndex,\n 0,\n 2,\n );\n const z = SpacekitMath.interpolate(\n this.data,\n jd,\n startIndex,\n stopIndex,\n 0,\n 3,\n );\n\n return [x, y, z];\n }\n\n /**\n * Given the start and stop time returns a uniform ephemeris history.\n * @param {Number} startJd the requested start date\n * @param {Number} stopJd the requested stop date\n * @param {Number} stepDays the step size of the data requested in days (can be fractional days)\n * @returns {number[][]}\n */\n getPositions(\n startJd: number,\n stopJd: number,\n stepDays: number,\n ): Coordinate3d[] {\n if (startJd > stopJd) {\n throw new Error(`Requested start needs to be after requested stop`);\n }\n\n if (stepDays <= 0.0) {\n throw new Error('Step days needs to be greater than zero');\n }\n\n const result: Coordinate3d[] = [];\n for (let t = startJd; t <= stopJd; t += stepDays) {\n result.push(this.getPositionAtTime(t));\n }\n\n return result;\n }\n\n /**\n * @private\n */\n private calcDistanceMultiplier(unitType: DistanceUnits): number {\n switch (unitType) {\n case 'au':\n return 1.0;\n case 'km':\n return Units.kmToAu(1);\n default:\n throw new Error('Unknown distance unit type: ' + unitType);\n }\n }\n\n /**\n * @private\n */\n private calcTimeMultiplier(unitType: TimeUnits): number {\n switch (unitType) {\n case 'day':\n return 1.0;\n case 'sec':\n return 1 / 86400.0;\n default:\n throw new Error('Unknown time unit type: ' + unitType);\n }\n }\n\n /**\n * @private\n */\n private calcBoundingIndices(jd: number): {\n startIndex: number;\n stopIndex: number;\n } {\n const halfSampleSize = Math.floor(this.interpolationOrder / 2);\n let closestIndex = Util.binarySearch(\n this.data,\n jd,\n INCREASING_JDATE_SEARCH_METHOD,\n );\n if (closestIndex < 0) {\n closestIndex = ~closestIndex - 1;\n }\n let startIndex = closestIndex - halfSampleSize;\n if (startIndex < 0) {\n startIndex = 0;\n }\n\n let stopIndex = startIndex + Number(this.interpolationOrder);\n if (stopIndex >= this.data.length) {\n stopIndex = this.data.length - 1;\n if (this.data.length > halfSampleSize) {\n startIndex = stopIndex - halfSampleSize;\n }\n }\n\n return { startIndex: startIndex, stopIndex: stopIndex };\n }\n}\n", "import Units from './Units';\nimport { Ephem, GM } from './Ephem';\nimport { getFullUrl } from './util';\n\nimport type { Simulation, SimulationContext } from './Simulation';\n\n/**\n * A dictionary containing ephemerides of planets and other well-known objects.\n * @example\n * ```\n * const planet1 = viz.createObject('planet1', {\n * ephem: EphemPresets.MERCURY,\n * });\n * ```\n */\nexport const EphemPresets: {\n MERCURY: Ephem;\n VENUS: Ephem;\n EARTH: Ephem;\n MOON: Ephem;\n MARS: Ephem;\n JUPITER: Ephem;\n SATURN: Ephem;\n URANUS: Ephem;\n NEPTUNE: Ephem;\n PLUTO: Ephem;\n} = {\n // See https://ssd.jpl.nasa.gov/?planet_pos and https://ssd.jpl.nasa.gov/txt/p_elem_t1.txt\n MERCURY: new Ephem(\n {\n epoch: 2458426.5,\n a: 3.870968969437096e-1,\n e: 2.056515875393916e-1,\n i: 7.003891682749818,\n om: 4.830774804443502e1,\n w: 2.917940253442659e1,\n ma: 2.56190975209273e2,\n period: 87.969257,\n },\n 'deg',\n true /* locked */,\n ),\n VENUS: new Ephem(\n {\n epoch: 2458426.5,\n a: 7.233458663591554e-1,\n e: 6.762510759617694e-3,\n i: 3.394567787211735,\n om: 7.662534150657346e1,\n w: 5.474567447560867e1,\n ma: 2.756687596099721e2,\n period: 224.70079922,\n },\n 'deg',\n true /* locked */,\n ),\n EARTH: new Ephem(\n {\n // Taken from https://nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html\n /*\n epoch: 2451545.0,\n a: 1.00000011,\n e: 0.01671022,\n i: 0.00005,\n om: -11.26064,\n wBar: 102.94719,\n L: 100.46435,\n */\n\n // https://ssd.jpl.nasa.gov/txt/p_elem_t1.txt\n epoch: 2451545.0,\n a: 1.00000261,\n e: 0.01671123,\n i: -0.00001531,\n om: 0.0,\n wBar: 102.93768193,\n L: 100.46457166,\n period: 365.256363004,\n\n /*\n epoch: 2458426.500000000,\n a: 1.000618919441359E+00,\n e: 1.676780871638673E-02,\n i: 0,\n om: 1.888900932218542E+02,\n w: 2.718307282052625E+02,\n ma: 3.021792498388233E+02,\n */\n },\n 'deg',\n true /* locked */,\n ),\n MOON: new Ephem(\n {\n GM: GM.EARTH_MOON,\n\n // Geocentric\n // https://ssd.jpl.nasa.gov/horizons.cgi#results\n epoch: 2458621.5,\n a: 2.582517063772124e-3, // A, km => AU, Semi-major axis\n e: 4.582543645168888e-2, // EC, Eccentricity\n i: 5.102060246928811, // IN, Inclination deg\n om: 1.085916732144811e2, // OM, Longitude of Ascending Node, deg\n w: 6.180561793729225e1, // W, Argument of Perifocus, deg\n ma: 5.053270083636792e1, // MA, Mean Anomaly, deg\n period: 27.321582, // P, Period in days\n },\n 'deg',\n true /* locked */,\n ),\n MARS: new Ephem(\n {\n epoch: 2458426.5,\n a: 1.52371401537107,\n e: 9.336741335309606e-2,\n i: 1.848141099825311,\n om: 4.950420572080223e1,\n w: 2.866965847685386e2,\n ma: 2.538237617924876e1,\n period: 686.98,\n },\n 'deg',\n true /* locked */,\n ),\n JUPITER: new Ephem(\n {\n epoch: 2458426.5,\n a: 5.20180355911023,\n e: 4.89912558249006e-2,\n i: 1.303560894624275,\n om: 1.005203828847816e2,\n w: 2.73736301845404e2,\n ma: 2.31939544389401e2,\n period: 4332.589,\n },\n 'deg',\n true /* locked */,\n ),\n SATURN: new Ephem(\n {\n epoch: 2458426.5,\n a: 9.577177295536776,\n e: 5.101889921719987e-2,\n i: 2.482782449972317,\n om: 1.136154964073247e2,\n w: 3.394422648650336e2,\n ma: 1.870970898012944e2,\n period: 10755.698,\n },\n 'deg',\n true /* locked */,\n ),\n URANUS: new Ephem(\n {\n epoch: 2458426.5,\n a: 1.914496966635462e1,\n e: 4.832662948112808e-2,\n i: 7.697511134483724e-1,\n om: 7.414239045667875e1,\n w: 9.942704504702185e1,\n ma: 2.202603033874267e2,\n period: 30685.4,\n },\n 'deg',\n true /* locked */,\n ),\n NEPTUNE: new Ephem(\n {\n epoch: 2458426.5,\n a: 3.00962226342805e1,\n e: 7.36257118719377e-3,\n i: 1.774569249829094,\n om: 1.318695882492132e2,\n w: 2.586226409499831e2,\n ma: 3.152804988924479e2,\n period: 60189,\n },\n 'deg',\n true /* locked */,\n ),\n PLUTO: new Ephem(\n {\n epoch: 2454000.5,\n a: 39.4450697257,\n e: 0.250248713478,\n i: 17.0890009196,\n om: 110.376957955,\n w: 112.597141677,\n ma: 25.2471897122,\n },\n 'deg',\n true /* locked */,\n ),\n};\n\ninterface NaturalSatelliteRecord {\n Planet: string;\n 'Epoch String': string;\n 'Epoch JD': number;\n 'Element Type': string;\n 'Sat.': string;\n tags: string;\n a: number | string;\n e: number | string;\n w: number | string;\n M: number | string;\n i: number | string;\n node: number | string;\n n: number | string;\n P: number | string;\n Pw: number | string;\n Pnode: number | string;\n RA: number | string;\n Dec: number | string | null;\n Tilt: number | string | null;\n Ref: string;\n}\n\n/**\n * A class for fetching orbital elements of natural satellites in our solar\n * system.\n */\nexport class NaturalSatellites {\n private _simulation: Simulation;\n\n private _context: SimulationContext;\n\n private _satellitesByPlanet: Record<\n string,\n {\n name: string;\n elementType: string;\n tags: Set;\n ephem: Ephem;\n }[]\n >;\n\n private _readyPromise: Promise;\n\n constructor(simulation: Simulation) {\n this._simulation = simulation;\n this._context = simulation.getContext();\n\n this._satellitesByPlanet = {};\n const dataUrl = getFullUrl(\n '{{data}}/processed/natural-satellites.json',\n this._context.options.basePath,\n );\n\n this._readyPromise = new Promise((resolve, reject) => {\n fetch(dataUrl)\n .then((resp) => resp.json())\n .then((moons) => {\n moons.forEach((moon: NaturalSatelliteRecord) => {\n const planetName = moon.Planet.toLowerCase();\n if (!this._satellitesByPlanet[planetName]) {\n this._satellitesByPlanet[planetName] = [];\n }\n\n let ephemType;\n switch (moon['Element Type']) {\n case 'Ecliptic':\n // Don't have to do anything\n break;\n case 'Equatorial':\n // TODO(ian): Convert equatorial coords\n ephemType = 'equatorial';\n /*\n throw new Error(\n `Ephemeris type not yet implemented: ${ephemType}`,\n );\n */\n break;\n case 'Laplace':\n // TODO(ian): Convert laplace coords\n ephemType = 'equatorial';\n /*\n throw new Error(\n `Ephemeris type not yet implemented: ${ephemType}`,\n );\n */\n break;\n default:\n console.warn(\n `Ephemeris type not yet implemented: ${ephemType}`,\n );\n return;\n }\n\n let ephemGM;\n switch (moon.Planet) {\n case 'Earth':\n ephemGM = GM.EARTH_MOON;\n break;\n case 'Pluto':\n ephemGM = GM.PLUTO_CHARON;\n break;\n default:\n ephemGM = GM[moon.Planet.toUpperCase() as keyof typeof GM];\n }\n if (!ephemGM) {\n console.error(`Could not look up GM for ${moon.Planet}`);\n }\n\n const ephem = new Ephem(\n {\n GM: ephemGM,\n epoch: Number(moon['Epoch JD']),\n a: Units.kmToAu(Number(moon.a)),\n e: Number(moon.e),\n i: Number(moon.i),\n w: Number(moon.w),\n om: Number(moon.node),\n ma: Number(moon.M),\n },\n 'deg',\n true /* locked */,\n );\n\n this._satellitesByPlanet[planetName].push({\n name: moon['Sat.'],\n elementType: moon['Element Type'],\n tags: new Set(moon['tags'].split(',')),\n ephem,\n });\n });\n console.info('Loaded', moons.length, 'natural satellites');\n resolve(this);\n })\n .catch((err) => {\n reject(err);\n });\n });\n }\n\n /**\n * Get a list of satellites and their orbital elements for a given planet.\n * @param {String} planetName Name of a planet, e.g. \"Jupiter\"\n * @return {Object} List containing a list of dictionaries with information\n * on each satellite.\n */\n getSatellitesForPlanet(planetName: string) {\n return this._satellitesByPlanet[planetName.toLowerCase()];\n }\n\n load(): Promise {\n return this._readyPromise;\n }\n}\n", "import * as THREE from 'three';\n// @ts-ignore\nimport julian from 'julian';\n\nimport { Ephem } from './Ephem';\nimport { EphemerisTable } from './EphemerisTable';\nimport { rescaleArray, rescaleXYZ } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\n\nimport type { LineBasicMaterial } from 'three';\nimport { SpaceObject } from \"./SpaceObject\"\n\nexport enum OrbitType {\n UNKNOWN = 0,\n PARABOLIC = 1,\n HYPERBOLIC = 2,\n ELLIPTICAL = 3,\n TABLE = 4,\n}\n\ninterface OrbitOptions {\n color?: number;\n eclipticLineColor?: number;\n orbitPathSettings?: {\n leadDurationYears?: number;\n trailDurationYears?: number;\n numberSamplePoints?: number;\n eclipticLineSparsity?: number;\n drawHeliocentric?: boolean;\n };\n}\n\nconst { sin, cos, sqrt } = Math;\n\nconst DEFAULT_LEAD_TRAIL_YEARS = 10;\nconst DEFAULT_SAMPLE_POINTS = 360;\nconst DEFAULT_ECLIPTIC_LINE_SPARSITY = 1;\nconst DEFAULT_DRAW_HELIOCENTRIC = false;\nconst DEFAULT_ORBIT_PATH_SETTINGS = {\n leadDurationYears: DEFAULT_LEAD_TRAIL_YEARS,\n trailDurationYears: DEFAULT_LEAD_TRAIL_YEARS,\n numberSamplePoints: DEFAULT_SAMPLE_POINTS,\n eclipticLineSparsity: DEFAULT_ECLIPTIC_LINE_SPARSITY,\n drawHeliocentric: DEFAULT_DRAW_HELIOCENTRIC,\n};\n\n/**\n * Special cube root function that assumes input is always positive.\n */\nfunction cbrt(x: number) {\n return Math.exp(Math.log(x) / 3.0);\n}\n\n/**\n * A class that builds a visual representation of a Kepler orbit.\n * @example\n * ```\n * const orbit = new Spacekit.Orbit({\n * ephem: new Spacekit.Ephem({...}),\n * options: {\n * color: 0xFFFFFF,\n * eclipticLineColor: 0xCCCCCC,\n * },\n * });\n * ```\n */\nexport class Orbit {\n private ephem: Ephem | EphemerisTable;\n\n private options: OrbitOptions;\n\n private orbitPoints?: THREE.Vector3[];\n\n private eclipticDropLines?: THREE.LineSegments;\n\n private orbitShape?: THREE.Line;\n\n private orbitStart: number;\n\n private orbitStop: number;\n\n private orbitType: OrbitType;\n\n /**\n * @param {(Ephem | EphemerisTable)} ephem The ephemeris that define this orbit.\n * @param {Object} options\n * @param {Number} options.color The color of the orbital ellipse.\n * @param {Number} options.eclipticLineColor The color of lines drawn\n * @param {Object} options.orbitPathSettings settings for the path\n * @param {Number} options.orbitPathSettings.leadDurationYears orbit path lead time in years\n * @param {Number} options.orbitPathSettings.trailDurationYears orbit path trail time in years\n * @param {Number} options.orbitPathSettings.numberSamplePoints number of\n * points to use when drawing the orbit line. Only applicable for\n * non-elliptical and ephemeris table orbits. perpendicular to the ecliptic\n * in order to illustrate depth (defaults to 0x333333).\n */\n constructor(ephem: Ephem | EphemerisTable, options: OrbitOptions) {\n /**\n * Ephem object\n * @type {(Ephem | EphemerisTable)}\n */\n this.ephem = ephem;\n\n /**\n * Options (see class definition for details)\n */\n this.options = options || {};\n\n /**\n * configuring orbit path lead/trail data\n */\n this.options.orbitPathSettings = Object.assign({}, DEFAULT_ORBIT_PATH_SETTINGS, this.options.orbitPathSettings ?? {});\n\n /**\n * Cached orbital points.\n * @type {Array.}\n */\n this.orbitPoints = undefined;\n\n /**\n * Cached ecliptic drop lines.\n * @type {Array.}\n */\n this.eclipticDropLines = undefined;\n\n /**\n * Cached orbit shape.\n * @type {THREE.Line}\n */\n this.orbitShape = undefined;\n\n /**\n * Time span of the drawn orbit line\n */\n this.orbitStart = 0;\n this.orbitStop = 0;\n\n /**\n * Orbit type\n * @type {OrbitType}\n */\n this.orbitType = Orbit.getOrbitType(this.ephem);\n }\n\n /**\n * Is orbit heliocentric or not\n */\n isHeliocentric(): boolean {\n return this.options.orbitPathSettings?.drawHeliocentric ?? DEFAULT_DRAW_HELIOCENTRIC;\n }\n\n /**\n * Get heliocentric position of object at a given JD.\n * @param {Number} jd Date value in JD.\n * @param {boolean} debug Set true for debug output.\n * @return {Array.} [X, Y, Z] coordinates\n */\n getPositionAtTime(jd: number, debug: boolean = false): Coordinate3d {\n // Note: logic below must match the vertex shader.\n\n // This position calculation is used to create orbital ellipses.\n switch (this.orbitType) {\n case OrbitType.PARABOLIC:\n return this.getPositionAtTimeNearParabolic(jd, debug);\n case OrbitType.HYPERBOLIC:\n return this.getPositionAtTimeHyperbolic(jd, debug);\n case OrbitType.ELLIPTICAL:\n return this.getPositionAtTimeElliptical(jd, debug);\n case OrbitType.TABLE:\n return this.getPositionAtTimeTable(jd, debug);\n default:\n throw new Error('No handler for this type of orbit');\n }\n }\n\n getPositionAtTimeParabolic(jd: number, debug: boolean = false): Coordinate3d {\n // See https://stjarnhimlen.se/comp/ppcomp.html#17\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // The Guassian gravitational constant\n const k = 0.01720209895;\n\n // Perihelion distance\n const q = eph.get('q');\n\n // Compute time since perihelion\n const d = jd - eph.get('tp');\n\n const H = (d * (k / sqrt(2))) / sqrt(q * q * q);\n const h = 1.5 * H;\n const g = sqrt(1.0 + h * h);\n const s = cbrt(g + h) - cbrt(g - h);\n\n // True anomaly\n const v = 2.0 * Math.atan(s);\n // Heliocentric distance\n const r = q * (1.0 + s * s);\n\n return this.vectorToHeliocentric(v, r);\n }\n\n getPositionAtTimeNearParabolic(\n jd: number,\n debug: boolean = false,\n ): Coordinate3d {\n // See https://stjarnhimlen.se/comp/ppcomp.html#17\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // The Guassian gravitational constant\n const k = 0.01720209895;\n\n // Eccentricity\n const e = eph.get('e');\n\n // Perihelion distance\n const q = eph.get('q');\n\n // Compute time since perihelion\n const d = jd - eph.get('tp');\n\n const a = 0.75 * d * k * sqrt((1 + e) / (q * q * q));\n const b = sqrt(1 + a * a);\n const W = cbrt(b + a) - cbrt(b - a);\n const f = (1 - e) / (1 + e);\n\n const a1 = 2 / 3 + (2 / 5) * W * W;\n const a2 = 7 / 5 + (33 / 35) * W * W + (37 / 175) * W ** 4;\n const a3 =\n W * W * (432 / 175 + (956 / 1125) * W * W + (84 / 1575) * W ** 4);\n\n const C = (W * W) / (1 + W * W);\n const g = f * C * C;\n const w = W * (1 + f * C * (a1 + a2 * g + a3 * g * g));\n\n // True anomaly\n const v = 2 * Math.atan(w);\n // Heliocentric distance\n const r = (q * (1 + w * w)) / (1 + w * w * f);\n\n return this.vectorToHeliocentric(v, r);\n }\n\n getPositionAtTimeHyperbolic(\n jd: number,\n debug: boolean = false,\n ): Coordinate3d {\n // See https://stjarnhimlen.se/comp/ppcomp.html#17\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // Eccentricity\n const e = eph.get('e');\n\n // Semimajor axis\n const a = eph.get('a');\n\n // Mean anomaly\n const ma = eph.get('ma');\n\n // Calculate mean anomaly at jd\n const n = eph.get('n', 'rad');\n const epoch = eph.get('epoch');\n const d = jd - epoch;\n\n const M = ma + n * d;\n\n let F0 = M;\n for (let count = 0; count < 100; count++) {\n const F1 =\n (M + e * (F0 * Math.cosh(F0) - Math.sinh(F0))) /\n (e * Math.cosh(F0) - 1);\n const lastdiff = Math.abs(F1 - F0);\n F0 = F1;\n\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n const F = F0;\n\n const v = 2 * Math.atan(sqrt((e + 1) / (e - 1))) * Math.tanh(F / 2);\n const r = (a * (1 - e * e)) / (1 + e * cos(v));\n\n return this.vectorToHeliocentric(v, r);\n }\n\n getPositionAtTimeElliptical(\n jd: number,\n debug: boolean = false,\n ): Coordinate3d {\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // Eccentricity\n const e = eph.get('e');\n\n // Mean anomaly\n const ma = eph.get('ma', 'rad');\n\n // Calculate mean anomaly at jd\n const n = eph.get('n', 'rad');\n const epoch = eph.get('epoch');\n const d = jd - epoch;\n\n const M = ma + n * d;\n if (debug) {\n console.info('period=', eph.get('period'));\n console.info('n=', n);\n console.info('ma=', ma);\n console.info('d=', d);\n console.info('M=', M);\n }\n\n // Estimate eccentric and true anom using iterative approx\n let E0 = M;\n for (let count = 0; count < 100; count++) {\n const E1 = M + e * sin(E0);\n const lastdiff = Math.abs(E1 - E0);\n E0 = E1;\n\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n const E = E0;\n const v = 2 * Math.atan(sqrt((1 + e) / (1 - e)) * Math.tan(E / 2));\n\n // Radius vector, in AU\n const a = eph.get('a');\n const r = (a * (1 - e * e)) / (1 + e * cos(v));\n\n return this.vectorToHeliocentric(v, r);\n }\n\n getPositionAtTimeTable(jd: number, debug: boolean = false): Coordinate3d {\n if (this.ephem instanceof EphemerisTable) {\n const point = this.ephem.getPositionAtTime(jd);\n return rescaleXYZ(point[0], point[1], point[2]);\n }\n throw new Error('Attempted to read ephemeris table of non-table data');\n }\n\n /**\n * Given true anomaly and heliocentric distance, returns the scaled heliocentric coordinates (X, Y, Z)\n * @param {Number} v True anomaly\n * @param {Number} r Heliocentric distance\n * @return {Array.} Heliocentric coordinates\n */\n vectorToHeliocentric(v: number, r: number): Coordinate3d {\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n // Inclination, Longitude of ascending node, Longitude of perihelion\n const i = eph.get('i', 'rad');\n const o = eph.get('om', 'rad');\n const p = eph.get('wBar', 'rad');\n\n // Heliocentric coords\n const X = r * (cos(o) * cos(v + p - o) - sin(o) * sin(v + p - o) * cos(i));\n const Y = r * (sin(o) * cos(v + p - o) + cos(o) * sin(v + p - o) * cos(i));\n const Z = r * (sin(v + p - o) * sin(i));\n\n return rescaleXYZ(X, Y, Z);\n }\n\n /**\n * Returns whether the requested epoch is within the current orbit's\n * definition. Used only for ephemeris tables.\n * @param {Number} jd\n * @return {boolean} true if it is within the orbit span, false if not\n */\n needsUpdateForTime(jd: number): boolean {\n if (this.orbitType === OrbitType.TABLE) {\n return jd < this.orbitStart || jd > this.orbitStop;\n }\n // Renderings for other types are static.\n return false;\n }\n\n /**\n * Calculates, caches, and returns the orbit state for this orbit around this time\n * @param {Number} jd center time of the orbit (only used for ephemeris table ephemeris)\n * @param {boolean} forceCompute forces the recomputing of the orbit on this call\n * @param {SpaceObject} orbitAround the object to orbit around\n * @return {THREE.Line}\n */\n getOrbitShape(jd?: number, forceCompute: boolean = false, orbitAround?: SpaceObject): THREE.Line {\n if (forceCompute) {\n if (this.orbitShape) {\n this.orbitShape.geometry.dispose();\n (this.orbitShape.material as LineBasicMaterial).dispose();\n }\n\n this.orbitShape = undefined;\n this.orbitPoints = undefined;\n\n if (this.eclipticDropLines) {\n this.eclipticDropLines.geometry.dispose();\n (this.eclipticDropLines.material as LineBasicMaterial).dispose();\n }\n this.eclipticDropLines = undefined;\n }\n\n if (this.orbitShape) {\n // Orbit shape is already computed.\n return this.orbitShape;\n }\n\n // Decide on a time range to draw orbits.\n if (this.orbitType === OrbitType.TABLE && this.ephem instanceof EphemerisTable) {\n this.orbitStart = this.ephem.getStartJd();\n this.orbitStop = this.ephem.getStopJd();\n }\n else if (this.orbitType !== OrbitType.TABLE && !(this.ephem instanceof EphemerisTable)) {\n // TODO(ian): Should we compute around current position, not time of perihelion?\n // Use current date as a fallback if time of perihelion is not available.\n const tp = jd ?? this.ephem.getUnsafe('tp') ?? julian.toJulianDay(new Date());\n this.orbitStart = tp - this.options.orbitPathSettings!.trailDurationYears! * 365.25;\n this.orbitStop = tp + this.options.orbitPathSettings!.leadDurationYears! * 365.25;\n }\n else {\n throw new Error(\"if this.orbitType == OrbitType.TABLE, then this.ephem needs to be an instance of EphemerisTable and vice versa\");\n }\n\n const step = (this.orbitStop - this.orbitStart) / this.options.orbitPathSettings!.numberSamplePoints!;\n\n switch (this.orbitType) {\n case OrbitType.ELLIPTICAL:\n if (this.options.orbitPathSettings?.drawHeliocentric && orbitAround) {\n return this.getEllipseAround(this.orbitStart, this.orbitStop, step, orbitAround);\n }\n return this.getEllipse();\n case OrbitType.HYPERBOLIC:\n return this.getLine(\n this.getPositionAtTimeHyperbolic.bind(this),\n this.orbitStart,\n this.orbitStop,\n step,\n this.options.orbitPathSettings?.drawHeliocentric ? orbitAround : undefined,\n );\n case OrbitType.PARABOLIC:\n return this.getLine(\n this.getPositionAtTimeNearParabolic.bind(this),\n this.orbitStart,\n this.orbitStop,\n step,\n this.options.orbitPathSettings?.drawHeliocentric ? orbitAround : undefined,\n );\n case OrbitType.TABLE:\n return this.getTableOrbit(this.orbitStart, this.orbitStop, step,\n this.options.orbitPathSettings?.drawHeliocentric ? orbitAround : undefined);\n default:\n throw new Error('Unknown orbit shape');\n }\n }\n\n /**\n * Compute a line between a given date range.\n * @private\n */\n private getLine(\n orbitFn: (jd: number) => Coordinate3d,\n startJd: number,\n endJd: number,\n step: number,\n orbitAround?: SpaceObject,\n ) {\n const points: THREE.Vector3[] = [];\n for (let jd = startJd; jd <= endJd; jd += step) {\n const pos = orbitFn(jd);\n if (orbitAround) {\n const parentPos = orbitAround.getPosition(jd);\n pos[0] += parentPos[0];\n pos[1] += parentPos[1];\n pos[2] += parentPos[2];\n }\n points.push(new THREE.Vector3(pos[0], pos[1], pos[2]));\n }\n return this.generateAndCacheOrbitShape(points);\n }\n\n /**\n * Returns the orbit for a table lookup orbit definition\n * @private\n * @param {Number} startJd start of orbit in JDate format\n * @param {Number} stopJd end of orbit in JDate format\n * @param {Number} step step size in days\n * @param {SpaceObject} orbitAround the object to orbit around\n * @return {THREE.Line}\n */\n private getTableOrbit(\n startJd: number,\n stopJd: number,\n step: number,\n orbitAround?: SpaceObject,\n ): THREE.Line {\n if (this.ephem instanceof Ephem) {\n throw new Error(\n 'Attempted to compute table orbit on non-table ephemeris',\n );\n }\n const rawPoints = this.ephem.getPositions(startJd, stopJd, step);\n const points = rawPoints\n .map((values) => rescaleArray(values))\n .map((values) => new THREE.Vector3(values[0], values[1], values[2]));\n\n if (orbitAround) {\n points.forEach((point, idx) => {\n const parentPos = orbitAround.getPosition(startJd + idx * step);\n point.x += parentPos[0];\n point.y += parentPos[1];\n point.z += parentPos[2];\n });\n }\n\n return this.generateAndCacheOrbitShape(points);\n }\n\n /**\n * @private\n * @return {THREE.Line} The ellipse object that represents this orbit.\n */\n private getEllipse() {\n const points = this.getEllipsePoints();\n return this.generateAndCacheOrbitShape(points);\n }\n\n /**\n * @private\n * @return {THREE.Line} The ellipse object around an orbit, in heliocentric frame.\n */\n private getEllipseAround(startJd: number, stopJd: number, step: number, orbitAround: SpaceObject) {\n const pts = [];\n for (let jd = startJd; jd <= stopJd; jd += step) {\n const parentPos = orbitAround.getPosition(jd);\n const pos = this.getPositionAtTimeElliptical(jd, false);\n pts.push(new THREE.Vector3(parentPos[0] + pos[0], parentPos[1] + pos[1], parentPos[2] + pos[2]));\n }\n return this.generateAndCacheOrbitShape(pts);\n }\n\n /**\n * @private\n * @return {THREE.Vector3[]} A THREE.js geometry\n */\n private getEllipsePoints(): THREE.Vector3[] {\n const eph = this.ephem;\n if (eph instanceof EphemerisTable) {\n throw new Error('Attempted to compute coordinates from ephemeris table');\n }\n\n const a = eph.get('a');\n const ecc = eph.get('e');\n\n const twoPi = Math.PI * 2;\n const step = twoPi / this.options.orbitPathSettings!.numberSamplePoints!;\n\n const pts = [];\n for (let E = 0; E < twoPi; E += step) {\n const v = 2 * Math.atan(sqrt((1 + ecc) / (1 - ecc)) * Math.tan(E / 2));\n const r = (a * (1 - ecc * ecc)) / (1 + ecc * cos(v));\n const pos = this.vectorToHeliocentric(v, r);\n\n if (isNaN(pos[0]) || isNaN(pos[1]) || isNaN(pos[2])) {\n console.error(\n 'NaN position value - you may have bad or incomplete data in the following ephemeris:',\n );\n console.error(eph);\n }\n pts.push(new THREE.Vector3(pos[0], pos[1], pos[2]));\n }\n pts.push(pts[0]);\n return pts;\n }\n\n /**\n * @private\n * @return {THREE.Line} Line object\n */\n private generateAndCacheOrbitShape(\n pointVectors: THREE.Vector3[],\n ): THREE.Line {\n\n if (this.orbitShape) {\n // clean up before creating new resources\n this.orbitShape.geometry.dispose();\n (this.orbitShape.material as LineBasicMaterial).dispose();\n }\n\n this.orbitPoints = pointVectors;\n this.orbitShape = new THREE.Line(\n new THREE.BufferGeometry().setFromPoints(pointVectors),\n new THREE.LineBasicMaterial({\n color: new THREE.Color(this.options.color || 0x444444),\n }),\n );\n return this.orbitShape;\n }\n\n /**\n * A geometry containing line segments that run between the orbit ellipse and\n * the ecliptic plane of the solar system. This is a useful visual effect\n * that makes it easy to tell when an orbit goes below or above the ecliptic\n * plane.\n * @return {THREE.LineSegments} A geometry with many line segments.\n */\n getLinesToEcliptic(): THREE.LineSegments {\n if (this.eclipticDropLines) {\n return this.eclipticDropLines;\n }\n\n if (!this.orbitPoints) {\n // Generate the orbitPoints cache.\n this.getOrbitShape();\n }\n\n // Place a cap on visible lines, for large or highly inclined orbits.\n const points = this.orbitPoints || [];\n let filteredPoints: THREE.Vector3[] = [];\n points.forEach((vertex, idx) => {\n // Drop last point because it's a repeat of the first point.\n if (\n idx === points.length - 1 &&\n this.orbitType === OrbitType.ELLIPTICAL ||\n (idx % (this.options.orbitPathSettings?.eclipticLineSparsity ?? 1) != 0)\n ) {\n return;\n }\n filteredPoints.push(vertex);\n filteredPoints.push(new THREE.Vector3(vertex.x, vertex.y, 0));\n });\n const geometry = new THREE.BufferGeometry().setFromPoints(filteredPoints);\n\n this.eclipticDropLines = new THREE.LineSegments(\n geometry,\n new THREE.LineBasicMaterial({\n color: this.options.eclipticLineColor || 0x333333,\n blending: THREE.AdditiveBlending,\n }),\n );\n\n return this.eclipticDropLines;\n }\n\n /**\n * Get the color of this orbit.\n * @return {Number} The hexadecimal color of the orbital ellipse.\n */\n getHexColor(): number {\n return (this.getOrbitShape().material as LineBasicMaterial).color.getHex();\n }\n\n /**\n * @param {Number} hexVal The hexadecimal color of the orbital ellipse.\n */\n setHexColor(hexVal: number) {\n (this.getOrbitShape().material as LineBasicMaterial).color =\n new THREE.Color(hexVal);\n }\n\n /**\n * Get the visibility of this orbit.\n * @return {boolean} Whether the orbital ellipse is visible. Note that\n * although the ellipse may not be visible, it is still present in the\n * underlying Scene and Simultation.\n */\n getVisibility(): boolean {\n return this.getOrbitShape().visible;\n }\n\n /**\n * Change the visibility of this orbit.\n * @param {boolean} val Whether to show the orbital ellipse.\n */\n setVisibility(val: boolean) {\n this.getOrbitShape().visible = val;\n this.getLinesToEcliptic().visible = val;\n }\n\n /**\n * Free up GPU resources\n */\n removalCleanup() {\n if (this.orbitShape) {\n this.orbitShape.geometry.dispose();\n (this.orbitShape.material as LineBasicMaterial).dispose();\n }\n if (this.eclipticDropLines) {\n this.eclipticDropLines.geometry.dispose();\n (this.eclipticDropLines.material as LineBasicMaterial).dispose();\n }\n }\n\n /**\n * Get the type of orbit. Returns one of OrbitType.PARABOLIC, HYPERBOLIC,\n * ELLIPTICAL, or UNKNOWN.\n * @param {(Ephem | EphemerisTable)} Ephemeris\n * @return {OrbitType} Name of orbit type\n */\n static getOrbitType(ephem: Ephem | EphemerisTable): OrbitType {\n if (ephem instanceof EphemerisTable) {\n return OrbitType.TABLE;\n }\n\n const e = ephem.get('e');\n if (e >= 0.999 && e < 1.2) {\n return OrbitType.PARABOLIC;\n }\n if (e > 1.2) {\n return OrbitType.HYPERBOLIC;\n }\n return OrbitType.ELLIPTICAL;\n }\n}\n", "import * as THREE from 'three';\n// @ts-ignore\nimport julian from 'julian';\nimport Stats from 'three/examples/jsm/libs/stats.module.js';\nimport {\n BloomEffect,\n EffectComposer,\n EffectPass,\n RenderPass,\n // @ts-ignore\n} from 'postprocessing';\n\nimport type { Scene, Object3D, Vector3, WebGLRenderer } from 'three';\n\nimport Camera from './Camera';\nimport { KeplerParticles } from './KeplerParticles';\nimport { NaturalSatellites } from './EphemPresets';\nimport { ShapeObject } from './ShapeObject';\nimport { Skybox } from './Skybox';\nimport { SpaceObject } from './SpaceObject';\nimport { SphereObject } from './SphereObject';\nimport { StaticParticles } from './StaticParticles';\nimport { Stars } from './Stars';\nimport { getDefaultBasePath } from './util';\nimport { setScaleFactor, rescaleArray } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\n\n// TODO(ian): Make this an interface.\nexport interface SimulationObject {\n update: (jd: number, force: boolean) => void;\n get3jsObjects(): THREE.Object3D[];\n getId(): string;\n removalCleanup: () => void;\n setVisibility: (visible: boolean) => void;\n isVisible: () => boolean;\n}\n\ninterface CameraOptions {\n initialPosition?: Coordinate3d;\n enableDrift?: boolean;\n}\n\ninterface DebugOptions {\n showAxes?: boolean;\n showGrid?: boolean;\n showStats?: boolean;\n}\n\ninterface SpacekitOptions {\n basePath: string;\n startDate?: Date;\n jd?: number;\n jdDelta?: number;\n jdPerSecond?: number;\n unitsPerAu?: number;\n startPaused?: boolean;\n maxNumParticles?: number;\n particleTextureUrl?: string;\n particleDefaultSize?: number;\n camera?: CameraOptions;\n debug?: DebugOptions;\n}\n\nexport interface SimulationContext {\n simulation: Simulation;\n options: SpacekitOptions;\n objects: {\n renderer: WebGLRenderer;\n camera: Camera;\n scene: Scene;\n particles: KeplerParticles;\n composer?: EffectComposer;\n };\n container: {\n width: number;\n height: number;\n };\n}\n\n/**\n * The main entrypoint of a visualization.\n *\n * This class wraps a THREE.js scene, controls, skybox, etc in an animated\n * Simulation.\n *\n * @example\n * ```\n * const sim = new Spacekit.Simulation(document.getElementById('my-container'), {\n * basePath: '../path/to/assets',\n * startDate: Date.now(),\n * jd: 0.0,\n * jdDelta: 10.0,\n * jdPerSecond: 100.0, // overrides jdDelta\n * startPaused: false,\n * unitsPerAu: 1.0,\n * maxNumParticles: 2**16,\n * camera: {\n * initialPosition: [0, -10, 5],\n * enableDrift: false,\n * },\n * debug: {\n * showAxes: false,\n * showGrid: false,\n * showStats: false,\n * },\n * });\n * ```\n */\nexport class Simulation {\n public onTick?: () => void;\n\n private simulationElt: HTMLCanvasElement;\n\n private options: SpacekitOptions;\n\n private jd: number;\n\n private jdDelta?: number;\n\n private jdPerSecond: number;\n\n private isPaused: boolean;\n\n private enableCameraDrift: boolean;\n\n private cameraDefaultPos: Coordinate3d;\n\n private camera: Camera;\n\n private useLightSources: boolean;\n\n private lightPosition?: Vector3;\n\n private subscribedObjects: Record;\n\n private neverUpdatedObjects: Set;\n\n private particles: KeplerParticles;\n\n private stats?: Stats;\n\n private fps: number;\n\n private lastUpdatedTime: number;\n\n private lastStaticCameraUpdateTime: number;\n\n private lastResizeUpdateTime: number;\n\n private renderEnabled: boolean;\n\n private initialRenderComplete: boolean;\n\n private scene: Scene;\n\n private renderer: WebGLRenderer;\n\n private composer?: EffectComposer;\n\n /**\n * @param {HTMLCanvasElement} simulationElt The container for this simulation.\n * @param {Object} options for simulation\n * @param {String} options.basePath Path to simulation assets and data\n * @param {Date} options.startDate The start date and time for this\n * simulation.\n * @param {Number} options.jd The JD date of this simulation.\n * Defaults to 0\n * @param {Number} options.jdDelta The number of JD to add every tick of\n * the simulation.\n * @param {Number} options.jdPerSecond The number of jd to add every second.\n * Use this instead of `jdDelta` for constant motion that does not vary with\n * framerate. Defaults to 100.\n * @param {Number} options.unitsPerAu The number of \"position\" units in the\n * simulation that represent an AU. This is an optional setting that you may\n * use if the default (1 unit = 1 AU) is too small for your simulation (e.g.\n * if you are representing a planetary system). Depending on your graphics\n * card, you may begin to notice inaccuracies at fractional scales of GL\n * units, so it becomes necessary to scale the whole visualization. Defaults\n * to 1.0.\n * @param {boolean} options.startPaused Whether the simulation should start\n * in a paused state.\n * @param {Number} options.maxNumParticles The maximum number of particles in\n * the visualization. Try choosing a number that is larger than your\n * particles, but not too much larger. It's usually good enough to choose the\n * next highest power of 2. If you're not showing many particles (tens of\n * thousands+), you don't need to worry about this.\n * @param {String} options.particleTextureUrl The texture for the default\n * particle system.\n * @param {Number} options.particleDefaultSize The default size for the\n * particle system.\n * @param {Object} options.camera Options for camera\n * @param {Array.} options.camera.initialPosition Initial X, Y, Z\n * coordinates of the camera. Defaults to [0, -10, 5].\n * @param {boolean} options.camera.enableDrift Set true to have the camera\n * float around slightly. False by default.\n * @param {Object} options.debug Options dictating debug state.\n * @param {boolean} options.debug.showAxes Show X, Y, and Z axes\n * @param {boolean} options.debug.showGrid Show grid on XY plane\n * @param {boolean} options.debug.showStats Show FPS and other stats\n * (requires stats.js).\n */\n constructor(simulationElt: HTMLCanvasElement, options: SpacekitOptions) {\n this.simulationElt = simulationElt;\n this.options = options || {};\n this.options.basePath = this.options.basePath || getDefaultBasePath();\n\n this.jd =\n typeof this.options.jd === 'undefined'\n ? Number(julian(this.options.startDate || new Date()))\n : this.options.jd;\n this.jdDelta = this.options.jdDelta;\n this.jdPerSecond = this.options.jdPerSecond || 100;\n this.isPaused = options.startPaused || false;\n this.onTick = undefined;\n\n this.enableCameraDrift = false;\n this.cameraDefaultPos = rescaleArray([0, -10, 5]);\n if (this.options.camera) {\n this.enableCameraDrift = !!this.options.camera.enableDrift;\n if (this.options.camera.initialPosition) {\n this.cameraDefaultPos = rescaleArray(\n this.options.camera.initialPosition,\n );\n }\n }\n\n this.useLightSources = false;\n this.lightPosition = undefined;\n\n this.subscribedObjects = {};\n this.neverUpdatedObjects = new Set();\n\n // This makes controls.lookAt and other objects treat the positive Z axis\n // as \"up\" direction.\n THREE.Object3D.DEFAULT_UP = new THREE.Vector3(0, 0, 1);\n\n // Scale\n if (this.options.unitsPerAu) {\n setScaleFactor(this.options.unitsPerAu);\n }\n\n // stats.js panel\n this.stats = undefined;\n this.fps = 1;\n\n this.lastUpdatedTime = Date.now();\n this.lastStaticCameraUpdateTime = Date.now();\n this.lastResizeUpdateTime = Date.now();\n\n // Rendering\n this.renderEnabled = true;\n this.initialRenderComplete = false;\n this.animate = this.animate.bind(this);\n\n this.renderer = this.initRenderer();\n this.scene = new THREE.Scene();\n this.camera = new Camera(this.getContext());\n this.composer = undefined;\n\n // Orbit particle system must be initialized after scene is created and\n // scale is set.\n this.particles = new KeplerParticles(\n {\n textureUrl:\n this.options.particleTextureUrl ||\n '{{assets}}/sprites/smallparticle.png',\n jd: this.jd,\n maxNumParticles: this.options.maxNumParticles,\n defaultSize: this.options.particleDefaultSize,\n },\n this,\n );\n\n this.init();\n this.animate();\n }\n\n /**\n * @private\n */\n private init() {\n // Camera\n this.camera\n .get3jsCamera()\n .position.set(\n this.cameraDefaultPos[0],\n this.cameraDefaultPos[1],\n this.cameraDefaultPos[2],\n );\n // window.cam = camera.get3jsCamera();\n\n // Events\n this.simulationElt.onmousedown = this.simulationElt.ontouchstart = () => {\n // When user begins interacting with the visualization, disable camera\n // drift.\n this.enableCameraDrift = false;\n };\n\n (() => {\n let listenToCameraEvents = false;\n this.camera.get3jsCameraControls().addEventListener('change', () => {\n // Camera will send a few initial events - ignore these.\n if (listenToCameraEvents) {\n this.staticForcedUpdate();\n }\n });\n setTimeout(() => {\n // Send an update when the visualization is done loading.\n this.staticForcedUpdate();\n listenToCameraEvents = true;\n this.initialRenderComplete = true;\n }, 0);\n })();\n\n this.simulationElt.addEventListener('resize', () => {\n this.resizeUpdate();\n });\n\n window.addEventListener('resize', () => {\n this.resizeUpdate();\n });\n\n // Helper\n if (this.options.debug) {\n if (this.options.debug.showGrid) {\n const gridHelper = new THREE.GridHelper(undefined, undefined);\n gridHelper.geometry.rotateX(Math.PI / 2);\n this.scene.add(gridHelper);\n }\n if (this.options.debug.showAxes) {\n this.scene.add(new THREE.AxesHelper(0.5));\n }\n if (this.options.debug.showStats) {\n this.stats = new (Stats as any)();\n this.stats!.showPanel(0);\n this.simulationElt.appendChild(this.stats!.dom);\n }\n }\n\n // Set up effect composer, etc.\n this.initPasses();\n }\n\n /**\n * @private\n */\n private initRenderer(): THREE.WebGLRenderer {\n // TODO(ian): Upgrade to webgl 2. See https://discourse.threejs.org/t/webgl2-breaking-custom-shader/16603/4\n const renderer = new THREE.WebGLRenderer({\n antialias: true,\n //logarithmicDepthBuffer: true,\n });\n console.info(\n 'Max texture resolution:',\n renderer.capabilities.maxTextureSize,\n );\n\n const maxPrecision = renderer.capabilities.getMaxPrecision('highp');\n if (maxPrecision !== 'highp') {\n console.warn(\n `Shader maximum precision is \"${maxPrecision}\", GPU rendering may not be accurate.`,\n );\n }\n\n renderer.setPixelRatio(window.devicePixelRatio);\n renderer.setSize(\n this.simulationElt.offsetWidth,\n this.simulationElt.offsetHeight,\n );\n\n this.simulationElt.appendChild(renderer.domElement);\n\n return renderer;\n }\n\n /**\n * @private\n */\n private initPasses() {\n //const smaaEffect = new SMAAEffect(assets.get(\"smaa-search\"), assets.get(\"smaa-area\"));\n //smaaEffect.colorEdgesMaterial.setEdgeDetectionThreshold(0.065);\n\n const camera = this.camera.get3jsCamera();\n\n /*\n const sunGeometry = new THREE.SphereBufferGeometry(\n rescaleNumber(0.004),\n 16,\n );\n const sunMaterial = new THREE.MeshBasicMaterial({\n color: 0xffddaa,\n transparent: true,\n depthWrite: false,\n fog: false,\n });\n const sun = new THREE.Mesh(sunGeometry, sunMaterial);\n const rescaled = rescaleArray([0.1, 0.1, 0.0]);\n sun.position.set(rescaled[0], rescaled[1], rescaled[2]);\n sun.updateMatrix();\n sun.updateMatrixWorld();\n\n const godRaysEffect = new GodRaysEffect(camera, sun, {\n color: 0xfff5f2,\n blur: false,\n });\n */\n //godRaysEffect.dithering = true;\n\n const bloomEffect = new BloomEffect({\n width: 240,\n height: 240,\n luminanceThreshold: 0.2,\n });\n bloomEffect.blendMode.opacity.value = 2.3;\n\n const renderPass = new RenderPass(this.scene, camera);\n renderPass.renderToScreen = false;\n\n const effectPass = new EffectPass(\n camera,\n /*smaaEffect, godRaysEffect*/ bloomEffect,\n );\n effectPass.renderToScreen = true;\n\n const composer = new EffectComposer(this.renderer);\n composer.addPass(renderPass);\n composer.addPass(effectPass);\n this.composer = composer;\n }\n\n /**\n * @private\n */\n private update(force = false) {\n for (const objId in this.subscribedObjects) {\n if (this.subscribedObjects.hasOwnProperty(objId) && !this.neverUpdatedObjects.has(objId)) {\n const obj = this.subscribedObjects[objId];\n if (obj.isVisible()) { // dont update if not visible\n obj.update(this.jd, force);\n }\n }\n }\n }\n\n /**\n * Performs a forced update of all elements in the view. This is used for when the system isn't animating but the\n * objects need to update their data to properly capture things like updated label positions.\n * @private\n */\n private staticForcedUpdate() {\n if (this.isPaused) {\n const now = Date.now();\n const timeDelta = now - this.lastStaticCameraUpdateTime;\n const threshold = 30;\n // TODO(ian): Also do this based on viewport change. Otherwise things like scrolling don't work well.\n if (timeDelta > threshold) {\n this.update(true /* force */);\n this.lastStaticCameraUpdateTime = now;\n }\n }\n }\n\n /**\n * @private\n * Updates the size of the control and forces a refresh of components whenever the control is being resized.\n */\n private resizeUpdate() {\n const now = Date.now();\n const timeDelta = now - this.lastResizeUpdateTime;\n const threshold = 30;\n\n if (timeDelta > threshold) {\n const newWidth = this.simulationElt.offsetWidth;\n const newHeight = this.simulationElt.offsetHeight;\n if (newWidth === 0 && newHeight === 0) {\n return;\n }\n const camera = this.camera.get3jsCamera();\n camera.aspect = newWidth / newHeight;\n camera.updateProjectionMatrix();\n this.renderer.setSize(newWidth, newHeight);\n this.staticForcedUpdate();\n this.lastResizeUpdateTime = now;\n }\n }\n\n /**\n * @private\n * TODO(ian): Move this into Camera\n */\n private doCameraDrift() {\n // Follow floating path around\n const timer = 0.0001 * Date.now();\n const pos = this.cameraDefaultPos;\n const cam = this.camera.get3jsCamera();\n cam.position.x = pos[0] + (pos[0] * (Math.cos(timer) + 1)) / 3;\n cam.position.z = pos[2] + (pos[2] * (Math.sin(timer) + 1)) / 3;\n }\n\n /**\n * @private\n */\n private animate() {\n if (!this.renderEnabled && this.initialRenderComplete) {\n return;\n }\n\n window.requestAnimationFrame(this.animate);\n\n if (this.stats) {\n this.stats.begin();\n }\n\n if (!this.isPaused) {\n if (this.jdDelta) {\n this.jd += this.jdDelta;\n } else {\n // N jd per second\n this.jd += this.jdPerSecond / this.fps;\n }\n\n const timeDelta = (Date.now() - this.lastUpdatedTime) / 1000;\n this.lastUpdatedTime = Date.now();\n this.fps = 1 / timeDelta || 1;\n\n // Update objects in this simulation\n this.update();\n }\n\n // Update camera drifting, if applicable\n if (this.enableCameraDrift) {\n this.doCameraDrift();\n }\n this.camera.update();\n\n // Update three.js scene\n this.renderer.render(this.scene, this.camera.get3jsCamera());\n //this.composer.render(0.1);\n\n if (this.onTick) {\n this.onTick();\n }\n\n if (this.stats) {\n this.stats.end();\n }\n }\n\n /**\n * Add a spacekit object (usually a SpaceObject) to the visualization.\n * @see SpaceObject\n * @param {Object} obj Object to add to visualization\n * @param {boolean} noUpdate Set to true if object does not need to be\n * animated.\n */\n addObject(obj: SimulationObject, noUpdate: boolean = false) {\n obj.get3jsObjects().map((x) => {\n this.scene.add(x);\n });\n\n // Call for updates as time passes.\n const objId = obj.getId();\n if (this.subscribedObjects[objId]) {\n console.error(\n `Object id is not unique: \"${objId}\". This could prevent objects from updating correctly.`,\n );\n }\n\n this.subscribedObjects[objId] = obj;\n if (noUpdate) {\n this.neverUpdatedObjects.add(obj.getId());\n }\n }\n\n /**\n * Get an object previously added to the simulation.\n * @return {Object} The SimulationObject.\n */\n getObject(id: string): SimulationObject | undefined {\n return this.subscribedObjects[id];\n }\n\n /**\n * Removes an object from the visualization.\n * @param {Object} obj Object to remove\n */\n removeObject(obj: SimulationObject) {\n if (!this.subscribedObjects[obj.getId()]) {\n return // already removed\n }\n\n // TODO(ian): test this and avoid memory leaks...\n obj.get3jsObjects().map((x) => {\n this.scene.remove(x);\n });\n\n if (typeof obj.removalCleanup === 'function') {\n obj.removalCleanup();\n }\n delete this.subscribedObjects[obj.getId()];\n this.neverUpdatedObjects.delete(obj.getId());\n }\n\n /**\n * Removes all objects from the visualization and free all resources.\n */\n removalCleanup() {\n this.renderEnabled = false;\n\n for (const objId in this.subscribedObjects) {\n if (this.subscribedObjects.hasOwnProperty(objId)) {\n this.removeObject(this.subscribedObjects[objId]);\n }\n }\n\n const renderer = this.getRenderer();\n renderer.dispose();\n renderer.domElement.remove();\n this.scene.clear();\n renderer.forceContextLoss();\n }\n\n /**\n * Shortcut for creating a new SpaceObject belonging to this visualization.\n * Takes any SpaceObject arguments.\n * @see SpaceObject\n */\n // @ts-ignore\n createObject(...args): SpaceObject {\n // @ts-ignore\n return new SpaceObject(...args, this);\n }\n\n /**\n * Shortcut for creating a new ShapeObject belonging to this visualization.\n * Takes any ShapeObject arguments.\n * @see ShapeObject\n */\n // @ts-ignore\n createShape(...args): ShapeObject {\n // @ts-ignore\n return new ShapeObject(...args, this);\n }\n\n /**\n * Shortcut for creating a new SphereOjbect belonging to this visualization.\n * Takes any SphereObject arguments.\n * @see SphereObject\n */\n // @ts-ignore\n createSphere(...args): SphereObject {\n // @ts-ignore\n return new SphereObject(...args, this);\n }\n\n /**\n * Shortcut for creating a new StaticParticles object belonging to this visualization.\n * Takes any StaticParticles arguments.\n * @see SphereObject\n */\n // @ts-ignore\n createStaticParticles(...args): StaticParticles {\n // @ts-ignore\n return new StaticParticles(...args, this);\n }\n\n /**\n * Shortcut for creating a new Skybox belonging to this visualization. Takes\n * any Skybox arguments.\n * @see Skybox\n */\n // @ts-ignore\n createSkybox(...args): Skybox {\n // @ts-ignore\n return new Skybox(...args, this);\n }\n\n /**\n * Shortcut for creating a new Stars object belonging to this visualization.\n * Takes any Stars arguments.\n * @see Stars\n */\n // @ts-ignore\n createStars(...args): Stars {\n if (args.length) {\n // @ts-ignore\n return new Stars(...args, this);\n }\n // No arguments supplied\n return new Stars({}, this);\n }\n\n /**\n * Creates an ambient light source. This will dimly light everything in the\n * visualization.\n * @param {Number} color Color of light, default 0x333333\n */\n createAmbientLight(color: number = 0x333333) {\n const light = new THREE.AmbientLight(color);\n light.name = 'ambient-light';\n this.scene.add(light);\n this.useLightSources = true;\n }\n\n /**\n * Creates a light source. This will make the shape of your objects visible\n * and provide some contrast.\n * @param {Array.} pos Position of light source. Defaults to moving\n * with camera.\n * @param {Number} color Color of light, default 0xFFFFFF\n */\n createLight(\n pos: Coordinate3d | undefined = undefined,\n color: number = 0xffffff,\n ) {\n if (this.lightPosition) {\n console.warn(\n \"Spacekit doesn't support more than one light source for SphereObjects\",\n );\n }\n this.lightPosition = new THREE.Vector3();\n\n // Pointlight is for standard meshes created by ShapeObjects.\n // TODO(ian): Remove this point light.\n const pointLight = new THREE.PointLight();\n\n if (typeof pos === 'undefined') {\n // The light comes from the camera.\n // FIXME(ian): This only affects the point source.\n this.camera.get3jsCameraControls().addEventListener('change', () => {\n this.lightPosition!.copy(this.camera.get3jsCamera().position);\n pointLight.position.copy(this.camera.get3jsCamera().position);\n });\n } else {\n const rescaled = rescaleArray(pos);\n this.lightPosition.set(rescaled[0], rescaled[1], rescaled[2]);\n pointLight.position.set(rescaled[0], rescaled[1], rescaled[2]);\n }\n\n pointLight.name = 'point-light';\n this.scene.add(pointLight);\n this.useLightSources = true;\n }\n\n getLightPosition(): Vector3 | undefined {\n return this.lightPosition;\n }\n\n isUsingLightSources(): boolean {\n return this.useLightSources;\n }\n\n /**\n * Returns a promise that receives a NaturalSatellites object when it is\n * resolved.\n * @return {Promise} NaturalSatellites object that is\n * ready to load.\n *\n * @see {NaturalSatellites}\n */\n loadNaturalSatellites(): Promise {\n return new NaturalSatellites(this).load();\n }\n\n /**\n * Installs a scroll handler that only renders the visualization while it is\n * in the user's viewport.\n *\n * The scroll handler currently binds to the window object only.\n */\n renderOnlyInViewport() {\n let previouslyInView = true;\n const isInView = () => {\n const rect = this.simulationElt.getBoundingClientRect();\n const windowHeight =\n window.innerHeight || document.documentElement.clientHeight;\n const windowWidth =\n window.innerWidth || document.documentElement.clientWidth;\n const vertInView =\n rect.top <= windowHeight && rect.top + rect.height >= 0;\n const horInView = rect.left <= windowWidth && rect.left + rect.width >= 0;\n\n return vertInView && horInView;\n };\n\n window.addEventListener('scroll', () => {\n const inView = isInView();\n if (previouslyInView && !inView) {\n // Went out of view\n this.renderEnabled = false;\n previouslyInView = false;\n } else if (!previouslyInView && inView) {\n // Came into view\n this.renderEnabled = true;\n window.requestAnimationFrame(this.animate);\n previouslyInView = true;\n }\n });\n\n if (!isInView()) {\n // Initial state is render enabled, so disable it if currently out of\n // view.\n this.renderEnabled = false;\n previouslyInView = false;\n }\n }\n\n /**\n * Adjust camera position so that the object fits within the viewport. If\n * applicable, this function will fit around the object's orbit.\n * @param {SpaceObject} spaceObj Object to fit within viewport.\n * @param {Number} offset Add some extra room in the viewport. Increase to be\n * further zoomed out, decrease to be closer. Default 3.0.\n */\n async zoomToFit(\n spaceObj: SpaceObject,\n offset: number = 3.0,\n ): Promise {\n const orbit = spaceObj.getOrbit();\n const obj = orbit\n ? orbit.getOrbitShape()\n : await spaceObj.getBoundingObject();\n if (obj) {\n this.doZoomToFit(obj, offset);\n return true;\n }\n return false;\n }\n\n /**\n * @private\n * Perform the actual zoom to fit behavior.\n * @param {Object3D} obj Three.js object to fit within viewport.\n * @param {Number} offset Add some extra room in the viewport. Increase to be\n * further zoomed out, decrease to be closer. Default 3.0.\n */\n private doZoomToFit(obj: Object3D, offset: number) {\n const boundingBox = new THREE.Box3();\n boundingBox.setFromObject(obj);\n\n const center = new THREE.Vector3();\n boundingBox.getCenter(center);\n const size = new THREE.Vector3();\n boundingBox.getSize(size);\n\n // Get the max side of the bounding box (fits to width OR height as needed)\n const camera = this.camera.get3jsCamera();\n const maxDim = Math.max(size.x, size.y, size.z);\n const fov = camera.fov * (Math.PI / 180);\n const cameraZ = Math.abs((maxDim / 2) * Math.tan(fov * 2)) * offset;\n\n const objectWorldPosition = new THREE.Vector3();\n obj.getWorldPosition(objectWorldPosition);\n const directionVector = camera.position.sub(objectWorldPosition); // Get vector from camera to object\n const unitDirectionVector = directionVector.normalize(); // Convert to unit vector\n\n const newpos = unitDirectionVector.multiplyScalar(cameraZ);\n camera.position.x = newpos.x;\n camera.position.y = newpos.y;\n camera.position.z = newpos.z;\n camera.updateProjectionMatrix();\n\n // Update default camera pos so if drift is on, camera will drift around\n // its new position.\n this.cameraDefaultPos = [newpos.x, newpos.y, newpos.z];\n }\n\n /**\n * Run the animation\n */\n start() {\n this.lastUpdatedTime = Date.now();\n this.isPaused = false;\n }\n\n /**\n * Stop the animation\n */\n stop() {\n this.isPaused = true;\n }\n\n /**\n * Gets the current JD date of the simulation\n * @return {Number} JD date\n */\n getJd(): number {\n return this.jd;\n }\n\n /**\n * Sets the JD date of the simulation.\n * @param {Number} val JD date\n */\n setJd(val: number) {\n this.jd = val;\n this.update(true);\n }\n\n /**\n * Get a date object representing local date and time of the simulation.\n * @return {Date} Date of simulation\n */\n getDate(): Date {\n return julian.toDate(this.jd);\n }\n\n /**\n * Set the local date and time of the simulation.\n * @param {Date} date Date of simulation\n */\n setDate(date: Date) {\n this.setJd(Number(julian(date)));\n }\n\n /**\n * Get the JD per frame of the visualization.\n */\n getJdDelta() {\n if (!this.jdDelta) {\n return this.jdPerSecond / this.fps;\n }\n return this.jdDelta;\n }\n\n /**\n * Set the JD per frame of the visualization. This will override any\n * existing \"JD per second\" setting.\n * @param {Number} delta JD per frame\n */\n setJdDelta(delta: number) {\n this.jdDelta = delta;\n }\n\n /**\n * Get the JD change per second of the visualization.\n * @return {Number | undefined} JD per second, undefined if jd per second is\n * not set.\n */\n getJdPerSecond(): number | undefined {\n if (this.jdDelta) {\n // Jd per second can vary\n return undefined;\n }\n return this.jdPerSecond;\n }\n\n /**\n * Set the JD change per second of the visualization.\n * @param {Number} x JD per second\n */\n setJdPerSecond(x: number) {\n // Delta overrides jd per second, so unset it.\n this.jdDelta = undefined;\n\n this.jdPerSecond = x;\n }\n\n /**\n * Get an object that contains useful context for this visualization\n * @return {Object} Context object\n */\n getContext(): SimulationContext {\n return {\n simulation: this,\n options: this.options,\n objects: {\n particles: this.particles,\n camera: this.camera,\n scene: this.scene,\n renderer: this.renderer,\n composer: this.composer,\n },\n container: {\n width: this.simulationElt.offsetWidth,\n height: this.simulationElt.offsetHeight,\n },\n };\n }\n\n /**\n * Get the element containing this simulation\n * @return {HTMLElement} The html container of this simulation\n */\n getSimulationElement(): HTMLCanvasElement {\n return this.simulationElt;\n }\n\n /**\n * Get the Camera and CameraControls wrapper object\n * @return {Camera} The Camera wrapper\n */\n getViewer(): Camera {\n return this.camera;\n }\n\n /**\n * Get the three.js scene object\n * @return {THREE.Scene} The THREE.js scene object\n */\n getScene(): THREE.Scene {\n return this.scene;\n }\n\n /**\n * Get the three.js renderer\n * @return {THREE.WebGLRenderer} The THREE.js renderer\n */\n getRenderer(): THREE.WebGLRenderer {\n return this.renderer;\n }\n\n /**\n * Enable or disable camera drift.\n * @param {boolean} driftOn True if you want the camera to float around a bit\n */\n setCameraDrift(driftOn: boolean) {\n this.enableCameraDrift = driftOn;\n }\n}\n\nexport default Simulation;\n", "var Stats = function () {\n\n\tvar mode = 0;\n\n\tvar container = document.createElement( 'div' );\n\tcontainer.style.cssText = 'position:fixed;top:0;left:0;cursor:pointer;opacity:0.9;z-index:10000';\n\tcontainer.addEventListener( 'click', function ( event ) {\n\n\t\tevent.preventDefault();\n\t\tshowPanel( ++ mode % container.children.length );\n\n\t}, false );\n\n\t//\n\n\tfunction addPanel( panel ) {\n\n\t\tcontainer.appendChild( panel.dom );\n\t\treturn panel;\n\n\t}\n\n\tfunction showPanel( id ) {\n\n\t\tfor ( var i = 0; i < container.children.length; i ++ ) {\n\n\t\t\tcontainer.children[ i ].style.display = i === id ? 'block' : 'none';\n\n\t\t}\n\n\t\tmode = id;\n\n\t}\n\n\t//\n\n\tvar beginTime = ( performance || Date ).now(), prevTime = beginTime, frames = 0;\n\n\tvar fpsPanel = addPanel( new Stats.Panel( 'FPS', '#0ff', '#002' ) );\n\tvar msPanel = addPanel( new Stats.Panel( 'MS', '#0f0', '#020' ) );\n\n\tif ( self.performance && self.performance.memory ) {\n\n\t\tvar memPanel = addPanel( new Stats.Panel( 'MB', '#f08', '#201' ) );\n\n\t}\n\n\tshowPanel( 0 );\n\n\treturn {\n\n\t\tREVISION: 16,\n\n\t\tdom: container,\n\n\t\taddPanel: addPanel,\n\t\tshowPanel: showPanel,\n\n\t\tbegin: function () {\n\n\t\t\tbeginTime = ( performance || Date ).now();\n\n\t\t},\n\n\t\tend: function () {\n\n\t\t\tframes ++;\n\n\t\t\tvar time = ( performance || Date ).now();\n\n\t\t\tmsPanel.update( time - beginTime, 200 );\n\n\t\t\tif ( time >= prevTime + 1000 ) {\n\n\t\t\t\tfpsPanel.update( ( frames * 1000 ) / ( time - prevTime ), 100 );\n\n\t\t\t\tprevTime = time;\n\t\t\t\tframes = 0;\n\n\t\t\t\tif ( memPanel ) {\n\n\t\t\t\t\tvar memory = performance.memory;\n\t\t\t\t\tmemPanel.update( memory.usedJSHeapSize / 1048576, memory.jsHeapSizeLimit / 1048576 );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn time;\n\n\t\t},\n\n\t\tupdate: function () {\n\n\t\t\tbeginTime = this.end();\n\n\t\t},\n\n\t\t// Backwards Compatibility\n\n\t\tdomElement: container,\n\t\tsetMode: showPanel\n\n\t};\n\n};\n\nStats.Panel = function ( name, fg, bg ) {\n\n\tvar min = Infinity, max = 0, round = Math.round;\n\tvar PR = round( window.devicePixelRatio || 1 );\n\n\tvar WIDTH = 80 * PR, HEIGHT = 48 * PR,\n\t\tTEXT_X = 3 * PR, TEXT_Y = 2 * PR,\n\t\tGRAPH_X = 3 * PR, GRAPH_Y = 15 * PR,\n\t\tGRAPH_WIDTH = 74 * PR, GRAPH_HEIGHT = 30 * PR;\n\n\tvar canvas = document.createElement( 'canvas' );\n\tcanvas.width = WIDTH;\n\tcanvas.height = HEIGHT;\n\tcanvas.style.cssText = 'width:80px;height:48px';\n\n\tvar context = canvas.getContext( '2d' );\n\tcontext.font = 'bold ' + ( 9 * PR ) + 'px Helvetica,Arial,sans-serif';\n\tcontext.textBaseline = 'top';\n\n\tcontext.fillStyle = bg;\n\tcontext.fillRect( 0, 0, WIDTH, HEIGHT );\n\n\tcontext.fillStyle = fg;\n\tcontext.fillText( name, TEXT_X, TEXT_Y );\n\tcontext.fillRect( GRAPH_X, GRAPH_Y, GRAPH_WIDTH, GRAPH_HEIGHT );\n\n\tcontext.fillStyle = bg;\n\tcontext.globalAlpha = 0.9;\n\tcontext.fillRect( GRAPH_X, GRAPH_Y, GRAPH_WIDTH, GRAPH_HEIGHT );\n\n\treturn {\n\n\t\tdom: canvas,\n\n\t\tupdate: function ( value, maxValue ) {\n\n\t\t\tmin = Math.min( min, value );\n\t\t\tmax = Math.max( max, value );\n\n\t\t\tcontext.fillStyle = bg;\n\t\t\tcontext.globalAlpha = 1;\n\t\t\tcontext.fillRect( 0, 0, WIDTH, GRAPH_Y );\n\t\t\tcontext.fillStyle = fg;\n\t\t\tcontext.fillText( round( value ) + ' ' + name + ' (' + round( min ) + '-' + round( max ) + ')', TEXT_X, TEXT_Y );\n\n\t\t\tcontext.drawImage( canvas, GRAPH_X + PR, GRAPH_Y, GRAPH_WIDTH - PR, GRAPH_HEIGHT, GRAPH_X, GRAPH_Y, GRAPH_WIDTH - PR, GRAPH_HEIGHT );\n\n\t\t\tcontext.fillRect( GRAPH_X + GRAPH_WIDTH - PR, GRAPH_Y, PR, GRAPH_HEIGHT );\n\n\t\t\tcontext.fillStyle = bg;\n\t\t\tcontext.globalAlpha = 0.9;\n\t\t\tcontext.fillRect( GRAPH_X + GRAPH_WIDTH - PR, GRAPH_Y, PR, round( ( 1 - ( value / maxValue ) ) * GRAPH_HEIGHT ) );\n\n\t\t}\n\n\t};\n\n};\n\nexport default Stats;\n", "/**\n * postprocessing v6.36.7 build Thu Feb 06 2025\n * https://github.com/pmndrs/postprocessing\n * Copyright 2015-2025 Raoul van R\u00FCschen\n * @license Zlib\n */\n\n// package.json\nvar version = \"6.36.7\";\n\n// src/core/Disposable.js\nvar Disposable = class {\n /**\n * Frees internal resources.\n */\n dispose() {\n }\n};\n\n// src/core/EffectComposer.js\nimport {\n DepthStencilFormat,\n DepthTexture,\n LinearFilter as LinearFilter2,\n SRGBColorSpace as SRGBColorSpace2,\n UnsignedByteType as UnsignedByteType2,\n UnsignedIntType,\n UnsignedInt248Type,\n Vector2,\n WebGLRenderTarget as WebGLRenderTarget3\n} from \"three\";\n\n// src/core/Timer.js\nvar MILLISECONDS_TO_SECONDS = 1 / 1e3;\nvar SECONDS_TO_MILLISECONDS = 1e3;\nvar Timer = class {\n /**\n * Constructs a new timer.\n */\n constructor() {\n this.startTime = performance.now();\n this.previousTime = 0;\n this.currentTime = 0;\n this._delta = 0;\n this._elapsed = 0;\n this._fixedDelta = 1e3 / 60;\n this.timescale = 1;\n this.useFixedDelta = false;\n this._autoReset = false;\n }\n /**\n * Enables or disables auto reset based on page visibility.\n *\n * If enabled, the timer will be reset when the page becomes visible. This effectively pauses the timer when the page\n * is hidden. Has no effect if the API is not supported.\n *\n * @type {Boolean}\n * @see https://developer.mozilla.org/en-US/docs/Web/API/Page_Visibility_API\n */\n get autoReset() {\n return this._autoReset;\n }\n set autoReset(value) {\n if (typeof document !== \"undefined\" && document.hidden !== void 0) {\n if (value) {\n document.addEventListener(\"visibilitychange\", this);\n } else {\n document.removeEventListener(\"visibilitychange\", this);\n }\n this._autoReset = value;\n }\n }\n get delta() {\n return this._delta * MILLISECONDS_TO_SECONDS;\n }\n get fixedDelta() {\n return this._fixedDelta * MILLISECONDS_TO_SECONDS;\n }\n set fixedDelta(value) {\n this._fixedDelta = value * SECONDS_TO_MILLISECONDS;\n }\n get elapsed() {\n return this._elapsed * MILLISECONDS_TO_SECONDS;\n }\n /**\n * Updates this timer.\n *\n * @param {Boolean} [timestamp] - The current time in milliseconds.\n */\n update(timestamp) {\n if (this.useFixedDelta) {\n this._delta = this.fixedDelta;\n } else {\n this.previousTime = this.currentTime;\n this.currentTime = (timestamp !== void 0 ? timestamp : performance.now()) - this.startTime;\n this._delta = this.currentTime - this.previousTime;\n }\n this._delta *= this.timescale;\n this._elapsed += this._delta;\n }\n /**\n * Resets this timer.\n */\n reset() {\n this._delta = 0;\n this._elapsed = 0;\n this.currentTime = performance.now() - this.startTime;\n }\n getDelta() {\n return this.delta;\n }\n getElapsed() {\n return this.elapsed;\n }\n handleEvent(e) {\n if (!document.hidden) {\n this.currentTime = performance.now() - this.startTime;\n }\n }\n dispose() {\n this.autoReset = false;\n }\n};\n\n// src/passes/Pass.js\nimport {\n BasicDepthPacking,\n BufferAttribute,\n BufferGeometry,\n Camera,\n Material,\n Mesh,\n Scene,\n Texture,\n WebGLRenderTarget\n} from \"three\";\nvar fullscreenGeometry = /* @__PURE__ */ (() => {\n const vertices = new Float32Array([-1, -1, 0, 3, -1, 0, -1, 3, 0]);\n const uvs = new Float32Array([0, 0, 2, 0, 0, 2]);\n const geometry = new BufferGeometry();\n geometry.setAttribute(\"position\", new BufferAttribute(vertices, 3));\n geometry.setAttribute(\"uv\", new BufferAttribute(uvs, 2));\n return geometry;\n})();\nvar Pass = class _Pass {\n /**\n * A shared fullscreen triangle.\n *\n * The screen size is 2x2 units (NDC). A triangle needs to be 4x4 units to fill the screen.\n * @see https://michaldrobot.com/2014/04/01/gcn-execution-patterns-in-full-screen-passes/\n * @type {BufferGeometry}\n * @internal\n */\n static get fullscreenGeometry() {\n return fullscreenGeometry;\n }\n /**\n * Constructs a new pass.\n *\n * @param {String} [name] - The name of this pass. Does not have to be unique.\n * @param {Scene} [scene] - The scene to render. The default scene contains a single mesh that fills the screen.\n * @param {Camera} [camera] - A camera. Fullscreen effect passes don't require a camera.\n */\n constructor(name = \"Pass\", scene = new Scene(), camera = new Camera()) {\n this.name = name;\n this.renderer = null;\n this.scene = scene;\n this.camera = camera;\n this.screen = null;\n this.rtt = true;\n this.needsSwap = true;\n this.needsDepthTexture = false;\n this.enabled = true;\n }\n /**\n * Sets the render to screen flag.\n *\n * If this flag is changed, the fullscreen material will be updated as well.\n *\n * @type {Boolean}\n */\n get renderToScreen() {\n return !this.rtt;\n }\n set renderToScreen(value) {\n if (this.rtt === value) {\n const material = this.fullscreenMaterial;\n if (material !== null) {\n material.needsUpdate = true;\n }\n this.rtt = !value;\n }\n }\n /**\n * Sets the main scene.\n *\n * @type {Scene}\n */\n set mainScene(value) {\n }\n /**\n * Sets the main camera.\n *\n * @type {Camera}\n */\n set mainCamera(value) {\n }\n /**\n * Sets the renderer\n *\n * @deprecated\n * @param {WebGLRenderer} renderer - The renderer.\n */\n setRenderer(renderer) {\n this.renderer = renderer;\n }\n /**\n * Indicates whether this pass is enabled.\n *\n * @deprecated Use enabled instead.\n * @return {Boolean} Whether this pass is enabled.\n */\n isEnabled() {\n return this.enabled;\n }\n /**\n * Enables or disables this pass.\n *\n * @deprecated Use enabled instead.\n * @param {Boolean} value - Whether the pass should be enabled.\n */\n setEnabled(value) {\n this.enabled = value;\n }\n /**\n * The fullscreen material.\n *\n * @type {Material}\n */\n get fullscreenMaterial() {\n return this.screen !== null ? this.screen.material : null;\n }\n set fullscreenMaterial(value) {\n let screen = this.screen;\n if (screen !== null) {\n screen.material = value;\n } else {\n screen = new Mesh(_Pass.fullscreenGeometry, value);\n screen.frustumCulled = false;\n if (this.scene === null) {\n this.scene = new Scene();\n }\n this.scene.add(screen);\n this.screen = screen;\n }\n }\n /**\n * Returns the current fullscreen material.\n *\n * @deprecated Use fullscreenMaterial instead.\n * @return {Material} The current fullscreen material, or null if there is none.\n */\n getFullscreenMaterial() {\n return this.fullscreenMaterial;\n }\n /**\n * Sets the fullscreen material.\n *\n * @deprecated Use fullscreenMaterial instead.\n * @protected\n * @param {Material} value - A fullscreen material.\n */\n setFullscreenMaterial(value) {\n this.fullscreenMaterial = value;\n }\n /**\n * Returns the current depth texture.\n *\n * @return {Texture} The current depth texture, or null if there is none.\n */\n getDepthTexture() {\n return null;\n }\n /**\n * Sets the depth texture.\n *\n * This method will be called automatically by the {@link EffectComposer}.\n * You may override this method if your pass relies on the depth information of a preceding {@link RenderPass}.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategy} [depthPacking=BasicDepthPacking] - The depth packing.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking) {\n }\n /**\n * Renders this pass.\n *\n * This is an abstract method that must be overridden.\n *\n * @abstract\n * @throws {Error} An error is thrown if the method is not overridden.\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n throw new Error(\"Render method not implemented!\");\n }\n /**\n * Sets the size.\n *\n * You may override this method if you want to be informed about the size of the backbuffer/canvas.\n * This method is called before {@link initialize} and every time the size of the {@link EffectComposer} changes.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n }\n /**\n * Performs initialization tasks.\n *\n * This method is called when this pass is added to an {@link EffectComposer}.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n }\n /**\n * Performs a shallow search for disposable properties and deletes them.\n *\n * The {@link EffectComposer} calls this method when it is being destroyed. You can use it independently to free\n * memory when you're certain that you don't need this pass anymore.\n */\n dispose() {\n for (const key of Object.keys(this)) {\n const property = this[key];\n const isDisposable = property instanceof WebGLRenderTarget || property instanceof Material || property instanceof Texture || property instanceof _Pass;\n if (isDisposable) {\n this[key].dispose();\n }\n }\n if (this.fullscreenMaterial !== null) {\n this.fullscreenMaterial.dispose();\n }\n }\n};\n\n// src/passes/ClearMaskPass.js\nvar ClearMaskPass = class extends Pass {\n /**\n * Constructs a new clear mask pass.\n */\n constructor() {\n super(\"ClearMaskPass\", null, null);\n this.needsSwap = false;\n }\n /**\n * Disables the global stencil test.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const stencil = renderer.state.buffers.stencil;\n stencil.setLocked(false);\n stencil.setTest(false);\n }\n};\n\n// src/passes/CopyPass.js\nimport { LinearFilter, SRGBColorSpace, UnsignedByteType, WebGLRenderTarget as WebGLRenderTarget2 } from \"three\";\n\n// src/materials/CopyMaterial.js\nimport { NoBlending, ShaderMaterial, Uniform } from \"three\";\n\n// src/materials/glsl/copy.frag\nvar copy_default = \"#include \\n#include \\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform float opacity;varying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);gl_FragColor=opacity*texel;\\n#include \\n#include \\n}\";\n\n// src/materials/glsl/common.vert\nvar common_default = \"varying vec2 vUv;void main(){vUv=position.xy*0.5+0.5;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/CopyMaterial.js\nvar CopyMaterial = class extends ShaderMaterial {\n /**\n * Constructs a new copy material.\n */\n constructor() {\n super({\n name: \"CopyMaterial\",\n uniforms: {\n inputBuffer: new Uniform(null),\n opacity: new Uniform(1)\n },\n blending: NoBlending,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: copy_default,\n vertexShader: common_default\n });\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the input buffer.\n *\n * @deprecated Use inputBuffer instead.\n * @param {Number} value - The buffer.\n */\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Returns the opacity.\n *\n * @deprecated Use opacity instead.\n * @return {Number} The opacity.\n */\n getOpacity(value) {\n return this.uniforms.opacity.value;\n }\n /**\n * Sets the opacity.\n *\n * @deprecated Use opacity instead.\n * @param {Number} value - The opacity.\n */\n setOpacity(value) {\n this.uniforms.opacity.value = value;\n }\n};\n\n// src/passes/CopyPass.js\nvar CopyPass = class extends Pass {\n /**\n * Constructs a new save pass.\n *\n * @param {WebGLRenderTarget} [renderTarget] - A render target.\n * @param {Boolean} [autoResize=true] - Whether the render target size should be updated automatically.\n */\n constructor(renderTarget, autoResize = true) {\n super(\"CopyPass\");\n this.fullscreenMaterial = new CopyMaterial();\n this.needsSwap = false;\n this.renderTarget = renderTarget;\n if (renderTarget === void 0) {\n this.renderTarget = new WebGLRenderTarget2(1, 1, {\n minFilter: LinearFilter,\n magFilter: LinearFilter,\n stencilBuffer: false,\n depthBuffer: false\n });\n this.renderTarget.texture.name = \"CopyPass.Target\";\n }\n this.autoResize = autoResize;\n }\n /**\n * Enables or disables auto resizing of the render target.\n *\n * @deprecated Use autoResize instead.\n * @type {Boolean}\n */\n get resize() {\n return this.autoResize;\n }\n set resize(value) {\n this.autoResize = value;\n }\n /**\n * The output texture.\n *\n * @type {Texture}\n */\n get texture() {\n return this.renderTarget.texture;\n }\n /**\n * Returns the output texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.renderTarget.texture;\n }\n /**\n * Enables or disables auto resizing of the render target.\n *\n * @deprecated Use autoResize instead.\n * @param {Boolean} value - Whether the render target size should be updated automatically.\n */\n setAutoResizeEnabled(value) {\n this.autoResize = value;\n }\n /**\n * Saves the input buffer.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n this.fullscreenMaterial.inputBuffer = inputBuffer.texture;\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n renderer.render(this.scene, this.camera);\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n if (this.autoResize) {\n this.renderTarget.setSize(width, height);\n }\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - A renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0) {\n this.renderTarget.texture.type = frameBufferType;\n if (frameBufferType !== UnsignedByteType) {\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace) {\n this.renderTarget.texture.colorSpace = SRGBColorSpace;\n }\n }\n }\n};\n\n// src/passes/ClearPass.js\nimport { Color } from \"three\";\nvar color = /* @__PURE__ */ new Color();\nvar ClearPass = class extends Pass {\n /**\n * Constructs a new clear pass.\n *\n * @param {Boolean} [color=true] - Determines whether the color buffer should be cleared.\n * @param {Boolean} [depth=true] - Determines whether the depth buffer should be cleared.\n * @param {Boolean} [stencil=false] - Determines whether the stencil buffer should be cleared.\n */\n constructor(color2 = true, depth = true, stencil = false) {\n super(\"ClearPass\", null, null);\n this.needsSwap = false;\n this.color = color2;\n this.depth = depth;\n this.stencil = stencil;\n this.overrideClearColor = null;\n this.overrideClearAlpha = -1;\n }\n /**\n * Sets the clear flags.\n *\n * @param {Boolean} color - Whether the color buffer should be cleared.\n * @param {Boolean} depth - Whether the depth buffer should be cleared.\n * @param {Boolean} stencil - Whether the stencil buffer should be cleared.\n */\n setClearFlags(color2, depth, stencil) {\n this.color = color2;\n this.depth = depth;\n this.stencil = stencil;\n }\n /**\n * Returns the override clear color. Default is null.\n *\n * @deprecated Use overrideClearColor instead.\n * @return {Color} The clear color.\n */\n getOverrideClearColor() {\n return this.overrideClearColor;\n }\n /**\n * Sets the override clear color.\n *\n * @deprecated Use overrideClearColor instead.\n * @param {Color} value - The clear color.\n */\n setOverrideClearColor(value) {\n this.overrideClearColor = value;\n }\n /**\n * Returns the override clear alpha. Default is -1.\n *\n * @deprecated Use overrideClearAlpha instead.\n * @return {Number} The clear alpha.\n */\n getOverrideClearAlpha() {\n return this.overrideClearAlpha;\n }\n /**\n * Sets the override clear alpha.\n *\n * @deprecated Use overrideClearAlpha instead.\n * @param {Number} value - The clear alpha.\n */\n setOverrideClearAlpha(value) {\n this.overrideClearAlpha = value;\n }\n /**\n * Clears the input buffer or the screen.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const overrideClearColor = this.overrideClearColor;\n const overrideClearAlpha = this.overrideClearAlpha;\n const clearAlpha = renderer.getClearAlpha();\n const hasOverrideClearColor = overrideClearColor !== null;\n const hasOverrideClearAlpha = overrideClearAlpha >= 0;\n if (hasOverrideClearColor) {\n renderer.getClearColor(color);\n renderer.setClearColor(overrideClearColor, hasOverrideClearAlpha ? overrideClearAlpha : clearAlpha);\n } else if (hasOverrideClearAlpha) {\n renderer.setClearAlpha(overrideClearAlpha);\n }\n renderer.setRenderTarget(this.renderToScreen ? null : inputBuffer);\n renderer.clear(this.color, this.depth, this.stencil);\n if (hasOverrideClearColor) {\n renderer.setClearColor(color, clearAlpha);\n } else if (hasOverrideClearAlpha) {\n renderer.setClearAlpha(clearAlpha);\n }\n }\n};\n\n// src/passes/MaskPass.js\nvar MaskPass = class extends Pass {\n /**\n * Constructs a new mask pass.\n *\n * @param {Scene} scene - The scene to render.\n * @param {Camera} camera - The camera to use.\n */\n constructor(scene, camera) {\n super(\"MaskPass\", scene, camera);\n this.needsSwap = false;\n this.clearPass = new ClearPass(false, false, true);\n this.inverse = false;\n }\n set mainScene(value) {\n this.scene = value;\n }\n set mainCamera(value) {\n this.camera = value;\n }\n /**\n * Indicates whether the mask should be inverted.\n *\n * @type {Boolean}\n */\n get inverted() {\n return this.inverse;\n }\n set inverted(value) {\n this.inverse = value;\n }\n /**\n * Indicates whether this pass should clear the stencil buffer.\n *\n * @type {Boolean}\n * @deprecated Use clearPass.enabled instead.\n */\n get clear() {\n return this.clearPass.enabled;\n }\n set clear(value) {\n this.clearPass.enabled = value;\n }\n /**\n * Returns the internal clear pass.\n *\n * @deprecated Use clearPass.enabled instead.\n * @return {ClearPass} The clear pass.\n */\n getClearPass() {\n return this.clearPass;\n }\n /**\n * Indicates whether the mask is inverted.\n *\n * @deprecated Use inverted instead.\n * @return {Boolean} Whether the mask is inverted.\n */\n isInverted() {\n return this.inverted;\n }\n /**\n * Enables or disable mask inversion.\n *\n * @deprecated Use inverted instead.\n * @param {Boolean} value - Whether the mask should be inverted.\n */\n setInverted(value) {\n this.inverted = value;\n }\n /**\n * Renders the effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const context = renderer.getContext();\n const buffers = renderer.state.buffers;\n const scene = this.scene;\n const camera = this.camera;\n const clearPass = this.clearPass;\n const writeValue = this.inverted ? 0 : 1;\n const clearValue = 1 - writeValue;\n buffers.color.setMask(false);\n buffers.depth.setMask(false);\n buffers.color.setLocked(true);\n buffers.depth.setLocked(true);\n buffers.stencil.setTest(true);\n buffers.stencil.setOp(context.REPLACE, context.REPLACE, context.REPLACE);\n buffers.stencil.setFunc(context.ALWAYS, writeValue, 4294967295);\n buffers.stencil.setClear(clearValue);\n buffers.stencil.setLocked(true);\n if (this.clearPass.enabled) {\n if (this.renderToScreen) {\n clearPass.render(renderer, null);\n } else {\n clearPass.render(renderer, inputBuffer);\n clearPass.render(renderer, outputBuffer);\n }\n }\n if (this.renderToScreen) {\n renderer.setRenderTarget(null);\n renderer.render(scene, camera);\n } else {\n renderer.setRenderTarget(inputBuffer);\n renderer.render(scene, camera);\n renderer.setRenderTarget(outputBuffer);\n renderer.render(scene, camera);\n }\n buffers.color.setLocked(false);\n buffers.depth.setLocked(false);\n buffers.stencil.setLocked(false);\n buffers.stencil.setFunc(context.EQUAL, 1, 4294967295);\n buffers.stencil.setOp(context.KEEP, context.KEEP, context.KEEP);\n buffers.stencil.setLocked(true);\n }\n};\n\n// src/core/EffectComposer.js\nvar EffectComposer = class {\n /**\n * Constructs a new effect composer.\n *\n * @param {WebGLRenderer} renderer - The renderer that should be used.\n * @param {Object} [options] - The options.\n * @param {Boolean} [options.depthBuffer=true] - Whether the main render targets should have a depth buffer.\n * @param {Boolean} [options.stencilBuffer=false] - Whether the main render targets should have a stencil buffer.\n * @param {Boolean} [options.alpha] - Deprecated. Buffers are always RGBA since three r137.\n * @param {Number} [options.multisampling=0] - The number of samples used for multisample antialiasing. Requires WebGL 2.\n * @param {Number} [options.frameBufferType] - The type of the internal frame buffers. It's recommended to use HalfFloatType if possible.\n */\n constructor(renderer = null, {\n depthBuffer = true,\n stencilBuffer = false,\n multisampling = 0,\n frameBufferType\n } = {}) {\n this.renderer = null;\n this.inputBuffer = this.createBuffer(depthBuffer, stencilBuffer, frameBufferType, multisampling);\n this.outputBuffer = this.inputBuffer.clone();\n this.copyPass = new CopyPass();\n this.depthTexture = null;\n this.passes = [];\n this.timer = new Timer();\n this.autoRenderToScreen = true;\n this.setRenderer(renderer);\n }\n /**\n * The current amount of samples used for multisample anti-aliasing.\n *\n * @type {Number}\n */\n get multisampling() {\n return this.inputBuffer.samples || 0;\n }\n /**\n * Sets the amount of MSAA samples.\n *\n * Requires WebGL 2. Set to zero to disable multisampling.\n *\n * @type {Number}\n */\n set multisampling(value) {\n const buffer = this.inputBuffer;\n const multisampling = this.multisampling;\n if (multisampling > 0 && value > 0) {\n this.inputBuffer.samples = value;\n this.outputBuffer.samples = value;\n this.inputBuffer.dispose();\n this.outputBuffer.dispose();\n } else if (multisampling !== value) {\n this.inputBuffer.dispose();\n this.outputBuffer.dispose();\n this.inputBuffer = this.createBuffer(\n buffer.depthBuffer,\n buffer.stencilBuffer,\n buffer.texture.type,\n value\n );\n this.inputBuffer.depthTexture = this.depthTexture;\n this.outputBuffer = this.inputBuffer.clone();\n }\n }\n /**\n * Returns the internal timer.\n *\n * @return {Timer} The timer.\n */\n getTimer() {\n return this.timer;\n }\n /**\n * Returns the renderer.\n *\n * @return {WebGLRenderer} The renderer.\n */\n getRenderer() {\n return this.renderer;\n }\n /**\n * Sets the renderer.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n */\n setRenderer(renderer) {\n this.renderer = renderer;\n if (renderer !== null) {\n const size = renderer.getSize(new Vector2());\n const alpha = renderer.getContext().getContextAttributes().alpha;\n const frameBufferType = this.inputBuffer.texture.type;\n if (frameBufferType === UnsignedByteType2 && renderer.outputColorSpace === SRGBColorSpace2) {\n this.inputBuffer.texture.colorSpace = SRGBColorSpace2;\n this.outputBuffer.texture.colorSpace = SRGBColorSpace2;\n this.inputBuffer.dispose();\n this.outputBuffer.dispose();\n }\n renderer.autoClear = false;\n this.setSize(size.width, size.height);\n for (const pass of this.passes) {\n pass.initialize(renderer, alpha, frameBufferType);\n }\n }\n }\n /**\n * Replaces the current renderer with the given one.\n *\n * The auto clear mechanism of the provided renderer will be disabled. If the new render size differs from the\n * previous one, all passes will be updated.\n *\n * By default, the DOM element of the current renderer will automatically be removed from its parent node and the DOM\n * element of the new renderer will take its place.\n *\n * @deprecated Use setRenderer instead.\n * @param {WebGLRenderer} renderer - The new renderer.\n * @param {Boolean} updateDOM - Indicates whether the old canvas should be replaced by the new one in the DOM.\n * @return {WebGLRenderer} The old renderer.\n */\n replaceRenderer(renderer, updateDOM = true) {\n const oldRenderer = this.renderer;\n const parent = oldRenderer.domElement.parentNode;\n this.setRenderer(renderer);\n if (updateDOM && parent !== null) {\n parent.removeChild(oldRenderer.domElement);\n parent.appendChild(renderer.domElement);\n }\n return oldRenderer;\n }\n /**\n * Creates a depth texture attachment that will be provided to all passes.\n *\n * Note: When a shader reads from a depth texture and writes to a render target that uses the same depth texture\n * attachment, the depth information will be lost. This happens even if `depthWrite` is disabled.\n *\n * @private\n * @return {DepthTexture} The depth texture.\n */\n createDepthTexture() {\n const depthTexture = this.depthTexture = new DepthTexture();\n this.inputBuffer.depthTexture = depthTexture;\n this.inputBuffer.dispose();\n if (this.inputBuffer.stencilBuffer) {\n depthTexture.format = DepthStencilFormat;\n depthTexture.type = UnsignedInt248Type;\n } else {\n depthTexture.type = UnsignedIntType;\n }\n return depthTexture;\n }\n /**\n * Deletes the current depth texture.\n *\n * @private\n */\n deleteDepthTexture() {\n if (this.depthTexture !== null) {\n this.depthTexture.dispose();\n this.depthTexture = null;\n this.inputBuffer.depthTexture = null;\n this.inputBuffer.dispose();\n for (const pass of this.passes) {\n pass.setDepthTexture(null);\n }\n }\n }\n /**\n * Creates a new render target.\n *\n * @deprecated Create buffers manually via WebGLRenderTarget instead.\n * @param {Boolean} depthBuffer - Whether the render target should have a depth buffer.\n * @param {Boolean} stencilBuffer - Whether the render target should have a stencil buffer.\n * @param {Number} type - The frame buffer type.\n * @param {Number} multisampling - The number of samples to use for antialiasing.\n * @return {WebGLRenderTarget} A new render target that equals the renderer's canvas.\n */\n createBuffer(depthBuffer, stencilBuffer, type, multisampling) {\n const renderer = this.renderer;\n const size = renderer === null ? new Vector2() : renderer.getDrawingBufferSize(new Vector2());\n const options = {\n minFilter: LinearFilter2,\n magFilter: LinearFilter2,\n stencilBuffer,\n depthBuffer,\n type\n };\n const renderTarget = new WebGLRenderTarget3(size.width, size.height, options);\n if (multisampling > 0) {\n renderTarget.ignoreDepthForMultisampleCopy = false;\n renderTarget.samples = multisampling;\n }\n if (type === UnsignedByteType2 && renderer !== null && renderer.outputColorSpace === SRGBColorSpace2) {\n renderTarget.texture.colorSpace = SRGBColorSpace2;\n }\n renderTarget.texture.name = \"EffectComposer.Buffer\";\n renderTarget.texture.generateMipmaps = false;\n return renderTarget;\n }\n /**\n * Can be used to change the main scene for all registered passes and effects.\n *\n * @param {Scene} scene - The scene.\n */\n setMainScene(scene) {\n for (const pass of this.passes) {\n pass.mainScene = scene;\n }\n }\n /**\n * Can be used to change the main camera for all registered passes and effects.\n *\n * @param {Camera} camera - The camera.\n */\n setMainCamera(camera) {\n for (const pass of this.passes) {\n pass.mainCamera = camera;\n }\n }\n /**\n * Adds a pass, optionally at a specific index.\n *\n * @param {Pass} pass - A new pass.\n * @param {Number} [index] - An index at which the pass should be inserted.\n */\n addPass(pass, index) {\n const passes = this.passes;\n const renderer = this.renderer;\n const drawingBufferSize = renderer.getDrawingBufferSize(new Vector2());\n const alpha = renderer.getContext().getContextAttributes().alpha;\n const frameBufferType = this.inputBuffer.texture.type;\n pass.setRenderer(renderer);\n pass.setSize(drawingBufferSize.width, drawingBufferSize.height);\n pass.initialize(renderer, alpha, frameBufferType);\n if (this.autoRenderToScreen) {\n if (passes.length > 0) {\n passes[passes.length - 1].renderToScreen = false;\n }\n if (pass.renderToScreen) {\n this.autoRenderToScreen = false;\n }\n }\n if (index !== void 0) {\n passes.splice(index, 0, pass);\n } else {\n passes.push(pass);\n }\n if (this.autoRenderToScreen) {\n passes[passes.length - 1].renderToScreen = true;\n }\n if (pass.needsDepthTexture || this.depthTexture !== null) {\n if (this.depthTexture === null) {\n const depthTexture = this.createDepthTexture();\n for (pass of passes) {\n pass.setDepthTexture(depthTexture);\n }\n } else {\n pass.setDepthTexture(this.depthTexture);\n }\n }\n }\n /**\n * Removes a pass.\n *\n * @param {Pass} pass - The pass.\n */\n removePass(pass) {\n const passes = this.passes;\n const index = passes.indexOf(pass);\n const exists = index !== -1;\n const removed = exists && passes.splice(index, 1).length > 0;\n if (removed) {\n if (this.depthTexture !== null) {\n const reducer = (a, b) => a || b.needsDepthTexture;\n const depthTextureRequired = passes.reduce(reducer, false);\n if (!depthTextureRequired) {\n if (pass.getDepthTexture() === this.depthTexture) {\n pass.setDepthTexture(null);\n }\n this.deleteDepthTexture();\n }\n }\n if (this.autoRenderToScreen) {\n if (index === passes.length) {\n pass.renderToScreen = false;\n if (passes.length > 0) {\n passes[passes.length - 1].renderToScreen = true;\n }\n }\n }\n }\n }\n /**\n * Removes all passes.\n */\n removeAllPasses() {\n const passes = this.passes;\n this.deleteDepthTexture();\n if (passes.length > 0) {\n if (this.autoRenderToScreen) {\n passes[passes.length - 1].renderToScreen = false;\n }\n this.passes = [];\n }\n }\n /**\n * Renders all enabled passes in the order in which they were added.\n *\n * @param {Number} [deltaTime] - The time since the last frame in seconds.\n */\n render(deltaTime) {\n const renderer = this.renderer;\n const copyPass = this.copyPass;\n let inputBuffer = this.inputBuffer;\n let outputBuffer = this.outputBuffer;\n let stencilTest = false;\n let context, stencil, buffer;\n if (deltaTime === void 0) {\n this.timer.update();\n deltaTime = this.timer.getDelta();\n }\n for (const pass of this.passes) {\n if (pass.enabled) {\n pass.render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest);\n if (pass.needsSwap) {\n if (stencilTest) {\n copyPass.renderToScreen = pass.renderToScreen;\n context = renderer.getContext();\n stencil = renderer.state.buffers.stencil;\n stencil.setFunc(context.NOTEQUAL, 1, 4294967295);\n copyPass.render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest);\n stencil.setFunc(context.EQUAL, 1, 4294967295);\n }\n buffer = inputBuffer;\n inputBuffer = outputBuffer;\n outputBuffer = buffer;\n }\n if (pass instanceof MaskPass) {\n stencilTest = true;\n } else if (pass instanceof ClearMaskPass) {\n stencilTest = false;\n }\n }\n }\n }\n /**\n * Sets the size of the buffers, passes and the renderer.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n * @param {Boolean} [updateStyle] - Determines whether the style of the canvas should be updated.\n */\n setSize(width, height, updateStyle) {\n const renderer = this.renderer;\n const currentSize = renderer.getSize(new Vector2());\n if (width === void 0 || height === void 0) {\n width = currentSize.width;\n height = currentSize.height;\n }\n if (currentSize.width !== width || currentSize.height !== height) {\n renderer.setSize(width, height, updateStyle);\n }\n const drawingBufferSize = renderer.getDrawingBufferSize(new Vector2());\n this.inputBuffer.setSize(drawingBufferSize.width, drawingBufferSize.height);\n this.outputBuffer.setSize(drawingBufferSize.width, drawingBufferSize.height);\n for (const pass of this.passes) {\n pass.setSize(drawingBufferSize.width, drawingBufferSize.height);\n }\n }\n /**\n * Resets this composer by deleting all passes and creating new buffers.\n */\n reset() {\n this.dispose();\n this.autoRenderToScreen = true;\n }\n /**\n * Disposes this composer and all passes.\n */\n dispose() {\n for (const pass of this.passes) {\n pass.dispose();\n }\n this.passes = [];\n if (this.inputBuffer !== null) {\n this.inputBuffer.dispose();\n }\n if (this.outputBuffer !== null) {\n this.outputBuffer.dispose();\n }\n this.deleteDepthTexture();\n this.copyPass.dispose();\n this.timer.dispose();\n Pass.fullscreenGeometry.dispose();\n }\n};\n\n// src/core/EffectShaderData.js\nimport { LinearSRGBColorSpace } from \"three\";\n\n// src/enums/EffectAttribute.js\nvar EffectAttribute = {\n NONE: 0,\n DEPTH: 1,\n CONVOLUTION: 2\n};\n\n// src/enums/EffectShaderSection.js\nvar EffectShaderSection = {\n FRAGMENT_HEAD: \"FRAGMENT_HEAD\",\n FRAGMENT_MAIN_UV: \"FRAGMENT_MAIN_UV\",\n FRAGMENT_MAIN_IMAGE: \"FRAGMENT_MAIN_IMAGE\",\n VERTEX_HEAD: \"VERTEX_HEAD\",\n VERTEX_MAIN_SUPPORT: \"VERTEX_MAIN_SUPPORT\"\n};\n\n// src/core/EffectShaderData.js\nvar EffectShaderData = class {\n /**\n * Constructs new shader data.\n */\n constructor() {\n this.shaderParts = /* @__PURE__ */ new Map([\n [EffectShaderSection.FRAGMENT_HEAD, null],\n [EffectShaderSection.FRAGMENT_MAIN_UV, null],\n [EffectShaderSection.FRAGMENT_MAIN_IMAGE, null],\n [EffectShaderSection.VERTEX_HEAD, null],\n [EffectShaderSection.VERTEX_MAIN_SUPPORT, null]\n ]);\n this.defines = /* @__PURE__ */ new Map();\n this.uniforms = /* @__PURE__ */ new Map();\n this.blendModes = /* @__PURE__ */ new Map();\n this.extensions = /* @__PURE__ */ new Set();\n this.attributes = EffectAttribute.NONE;\n this.varyings = /* @__PURE__ */ new Set();\n this.uvTransformation = false;\n this.readDepth = false;\n this.colorSpace = LinearSRGBColorSpace;\n }\n};\n\n// src/core/GaussKernel.js\nfunction getCoefficients(n) {\n let result;\n if (n === 0) {\n result = new Float64Array(0);\n } else if (n === 1) {\n result = new Float64Array([1]);\n } else if (n > 1) {\n let row0 = new Float64Array(n);\n let row1 = new Float64Array(n);\n for (let y = 1; y <= n; ++y) {\n for (let x = 0; x < y; ++x) {\n row1[x] = x === 0 || x === y - 1 ? 1 : row0[x - 1] + row0[x];\n }\n result = row1;\n row1 = row0;\n row0 = result;\n }\n }\n return result;\n}\nvar GaussKernel = class {\n /**\n * Constructs a new Gauss kernel.\n *\n * @param {Number} kernelSize - The kernel size. Should be an odd number in the range [3, 1020].\n * @param {Number} [edgeBias=2] - Determines how many edge coefficients should be cut off for increased accuracy.\n */\n constructor(kernelSize, edgeBias = 2) {\n this.weights = null;\n this.offsets = null;\n this.linearWeights = null;\n this.linearOffsets = null;\n this.generate(kernelSize, edgeBias);\n }\n /**\n * The number of steps for discrete sampling.\n *\n * @type {Number}\n */\n get steps() {\n return this.offsets === null ? 0 : this.offsets.length;\n }\n /**\n * The number of steps for linear sampling.\n *\n * @type {Number}\n */\n get linearSteps() {\n return this.linearOffsets === null ? 0 : this.linearOffsets.length;\n }\n /**\n * Generates the kernel.\n *\n * @private\n * @param {Number} kernelSize - The kernel size.\n * @param {Number} edgeBias - The amount of edge coefficients to ignore.\n */\n generate(kernelSize, edgeBias) {\n if (kernelSize < 3 || kernelSize > 1020) {\n throw new Error(\"The kernel size must be in the range [3, 1020]\");\n }\n const n = kernelSize + edgeBias * 2;\n const coefficients = edgeBias > 0 ? getCoefficients(n).slice(edgeBias, -edgeBias) : getCoefficients(n);\n const mid = Math.floor((coefficients.length - 1) / 2);\n const sum = coefficients.reduce((a, b) => a + b, 0);\n const weights = coefficients.slice(mid);\n const offsets = [...Array(mid + 1).keys()];\n const linearWeights = new Float64Array(Math.floor(offsets.length / 2));\n const linearOffsets = new Float64Array(linearWeights.length);\n linearWeights[0] = weights[0] / sum;\n for (let i = 1, j = 1, l = offsets.length - 1; i < l; i += 2, ++j) {\n const offset0 = offsets[i], offset1 = offsets[i + 1];\n const weight0 = weights[i], weight1 = weights[i + 1];\n const w = weight0 + weight1;\n const o = (offset0 * weight0 + offset1 * weight1) / w;\n linearWeights[j] = w / sum;\n linearOffsets[j] = o;\n }\n for (let i = 0, l = weights.length, s = 1 / sum; i < l; ++i) {\n weights[i] *= s;\n }\n const linearWeightSum = (linearWeights.reduce((a, b) => a + b, 0) - linearWeights[0] * 0.5) * 2;\n if (linearWeightSum !== 0) {\n for (let i = 0, l = linearWeights.length, s = 1 / linearWeightSum; i < l; ++i) {\n linearWeights[i] *= s;\n }\n }\n this.offsets = offsets;\n this.weights = weights;\n this.linearOffsets = linearOffsets;\n this.linearWeights = linearWeights;\n }\n};\n\n// src/core/ImmutableTimer.js\nvar ImmutableTimer = class {\n /**\n * The current delta time in seconds.\n *\n * @type {Number}\n */\n getDelta() {\n return NaN;\n }\n /**\n * The elapsed time in seconds.\n *\n * @type {Number}\n */\n getElapsed() {\n return NaN;\n }\n};\n\n// src/core/Initializable.js\nvar Initializable = class {\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - A renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n }\n};\n\n// src/core/OverrideMaterialManager.js\nimport { BackSide, DoubleSide, FrontSide, ShaderMaterial as ShaderMaterial2 } from \"three\";\nvar workaroundEnabled = false;\nvar OverrideMaterialManager = class {\n /**\n * Constructs a new override material manager.\n *\n * @param {Material} [material=null] - An override material.\n */\n constructor(material = null) {\n this.originalMaterials = /* @__PURE__ */ new Map();\n this.material = null;\n this.materials = null;\n this.materialsBackSide = null;\n this.materialsDoubleSide = null;\n this.materialsFlatShaded = null;\n this.materialsFlatShadedBackSide = null;\n this.materialsFlatShadedDoubleSide = null;\n this.setMaterial(material);\n this.meshCount = 0;\n this.replaceMaterial = (node) => {\n if (node.isMesh) {\n let materials;\n if (node.material.flatShading) {\n switch (node.material.side) {\n case DoubleSide:\n materials = this.materialsFlatShadedDoubleSide;\n break;\n case BackSide:\n materials = this.materialsFlatShadedBackSide;\n break;\n default:\n materials = this.materialsFlatShaded;\n break;\n }\n } else {\n switch (node.material.side) {\n case DoubleSide:\n materials = this.materialsDoubleSide;\n break;\n case BackSide:\n materials = this.materialsBackSide;\n break;\n default:\n materials = this.materials;\n break;\n }\n }\n this.originalMaterials.set(node, node.material);\n if (node.isSkinnedMesh) {\n node.material = materials[2];\n } else if (node.isInstancedMesh) {\n node.material = materials[1];\n } else {\n node.material = materials[0];\n }\n ++this.meshCount;\n }\n };\n }\n /**\n * Clones the given material.\n *\n * @private\n * @param {Material} material - The material.\n * @return {Material} The cloned material.\n */\n cloneMaterial(material) {\n if (!(material instanceof ShaderMaterial2)) {\n return material.clone();\n }\n const uniforms = material.uniforms;\n const textureUniforms = /* @__PURE__ */ new Map();\n for (const key in uniforms) {\n const value = uniforms[key].value;\n if (value.isRenderTargetTexture) {\n uniforms[key].value = null;\n textureUniforms.set(key, value);\n }\n }\n const clone = material.clone();\n for (const entry of textureUniforms) {\n uniforms[entry[0]].value = entry[1];\n clone.uniforms[entry[0]].value = entry[1];\n }\n return clone;\n }\n /**\n * Sets the override material.\n *\n * @param {Material} material - The material.\n */\n setMaterial(material) {\n this.disposeMaterials();\n this.material = material;\n if (material !== null) {\n const materials = this.materials = [\n this.cloneMaterial(material),\n this.cloneMaterial(material),\n this.cloneMaterial(material)\n ];\n for (const m2 of materials) {\n m2.uniforms = Object.assign({}, material.uniforms);\n m2.side = FrontSide;\n }\n materials[2].skinning = true;\n this.materialsBackSide = materials.map((m2) => {\n const c2 = this.cloneMaterial(m2);\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.side = BackSide;\n return c2;\n });\n this.materialsDoubleSide = materials.map((m2) => {\n const c2 = this.cloneMaterial(m2);\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.side = DoubleSide;\n return c2;\n });\n this.materialsFlatShaded = materials.map((m2) => {\n const c2 = this.cloneMaterial(m2);\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.flatShading = true;\n return c2;\n });\n this.materialsFlatShadedBackSide = materials.map((m2) => {\n const c2 = this.cloneMaterial(m2);\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.flatShading = true;\n c2.side = BackSide;\n return c2;\n });\n this.materialsFlatShadedDoubleSide = materials.map((m2) => {\n const c2 = this.cloneMaterial(m2);\n c2.uniforms = Object.assign({}, material.uniforms);\n c2.flatShading = true;\n c2.side = DoubleSide;\n return c2;\n });\n }\n }\n /**\n * Renders the scene with the override material.\n *\n * @private\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Scene} scene - A scene.\n * @param {Camera} camera - A camera.\n */\n render(renderer, scene, camera) {\n const shadowMapEnabled = renderer.shadowMap.enabled;\n renderer.shadowMap.enabled = false;\n if (workaroundEnabled) {\n const originalMaterials = this.originalMaterials;\n this.meshCount = 0;\n scene.traverse(this.replaceMaterial);\n renderer.render(scene, camera);\n for (const entry of originalMaterials) {\n entry[0].material = entry[1];\n }\n if (this.meshCount !== originalMaterials.size) {\n originalMaterials.clear();\n }\n } else {\n const overrideMaterial = scene.overrideMaterial;\n scene.overrideMaterial = this.material;\n renderer.render(scene, camera);\n scene.overrideMaterial = overrideMaterial;\n }\n renderer.shadowMap.enabled = shadowMapEnabled;\n }\n /**\n * Deletes cloned override materials.\n *\n * @private\n */\n disposeMaterials() {\n if (this.material !== null) {\n const materials = this.materials.concat(this.materialsBackSide).concat(this.materialsDoubleSide).concat(this.materialsFlatShaded).concat(this.materialsFlatShadedBackSide).concat(this.materialsFlatShadedDoubleSide);\n for (const m2 of materials) {\n m2.dispose();\n }\n }\n }\n /**\n * Performs cleanup tasks.\n */\n dispose() {\n this.originalMaterials.clear();\n this.disposeMaterials();\n }\n /**\n * Indicates whether the override material workaround is enabled.\n *\n * @type {Boolean}\n */\n static get workaroundEnabled() {\n return workaroundEnabled;\n }\n /**\n * Enables or disables the override material workaround globally.\n *\n * This only affects post processing passes and effects.\n *\n * @type {Boolean}\n */\n static set workaroundEnabled(value) {\n workaroundEnabled = value;\n }\n};\n\n// src/core/Resizable.js\nvar Resizable = class {\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n }\n};\n\n// src/core/Resolution.js\nimport { EventDispatcher, Vector2 as Vector22 } from \"three\";\nvar AUTO_SIZE = -1;\nvar Resolution = class extends EventDispatcher {\n /**\n * Constructs a new resolution.\n *\n * TODO Remove resizable param.\n * @param {Resizable} resizable - A resizable object.\n * @param {Number} [width=Resolution.AUTO_SIZE] - The preferred width.\n * @param {Number} [height=Resolution.AUTO_SIZE] - The preferred height.\n * @param {Number} [scale=1.0] - A resolution scale.\n */\n constructor(resizable, width = AUTO_SIZE, height = AUTO_SIZE, scale = 1) {\n super();\n this.resizable = resizable;\n this.baseSize = new Vector22(1, 1);\n this.preferredSize = new Vector22(width, height);\n this.target = this.preferredSize;\n this.s = scale;\n this.effectiveSize = new Vector22();\n this.addEventListener(\"change\", () => this.updateEffectiveSize());\n this.updateEffectiveSize();\n }\n /**\n * Calculates the effective size.\n *\n * @private\n */\n updateEffectiveSize() {\n const base = this.baseSize;\n const preferred = this.preferredSize;\n const effective = this.effectiveSize;\n const scale = this.scale;\n if (preferred.width !== AUTO_SIZE) {\n effective.width = preferred.width;\n } else if (preferred.height !== AUTO_SIZE) {\n effective.width = Math.round(preferred.height * (base.width / Math.max(base.height, 1)));\n } else {\n effective.width = Math.round(base.width * scale);\n }\n if (preferred.height !== AUTO_SIZE) {\n effective.height = preferred.height;\n } else if (preferred.width !== AUTO_SIZE) {\n effective.height = Math.round(preferred.width / Math.max(base.width / Math.max(base.height, 1), 1));\n } else {\n effective.height = Math.round(base.height * scale);\n }\n }\n /**\n * The effective width.\n *\n * If the preferred width and height are set to {@link Resizer.AUTO_SIZE}, the base width will be returned.\n *\n * @type {Number}\n */\n get width() {\n return this.effectiveSize.width;\n }\n set width(value) {\n this.preferredWidth = value;\n }\n /**\n * The effective height.\n *\n * If the preferred width and height are set to {@link Resizer.AUTO_SIZE}, the base height will be returned.\n *\n * @type {Number}\n */\n get height() {\n return this.effectiveSize.height;\n }\n set height(value) {\n this.preferredHeight = value;\n }\n /**\n * Returns the effective width.\n *\n * If the preferred width and height are set to {@link Resizer.AUTO_SIZE}, the base width will be returned.\n *\n * @deprecated Use width instead.\n * @return {Number} The effective width.\n */\n getWidth() {\n return this.width;\n }\n /**\n * Returns the effective height.\n *\n * If the preferred width and height are set to {@link Resizer.AUTO_SIZE}, the base height will be returned.\n *\n * @deprecated Use height instead.\n * @return {Number} The effective height.\n */\n getHeight() {\n return this.height;\n }\n /**\n * The resolution scale.\n *\n * @type {Number}\n */\n get scale() {\n return this.s;\n }\n set scale(value) {\n if (this.s !== value) {\n this.s = value;\n this.preferredSize.setScalar(AUTO_SIZE);\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n /**\n * Returns the current resolution scale.\n *\n * @deprecated Use scale instead.\n * @return {Number} The scale.\n */\n getScale() {\n return this.scale;\n }\n /**\n * Sets the resolution scale.\n *\n * Also sets the preferred resolution to {@link Resizer.AUTO_SIZE}.\n *\n * @deprecated Use scale instead.\n * @param {Number} value - The scale.\n */\n setScale(value) {\n this.scale = value;\n }\n /**\n * The base width.\n *\n * @type {Number}\n */\n get baseWidth() {\n return this.baseSize.width;\n }\n set baseWidth(value) {\n if (this.baseSize.width !== value) {\n this.baseSize.width = value;\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n /**\n * Returns the base width.\n *\n * @deprecated Use baseWidth instead.\n * @return {Number} The base width.\n */\n getBaseWidth() {\n return this.baseWidth;\n }\n /**\n * Sets the base width.\n *\n * @deprecated Use baseWidth instead.\n * @param {Number} value - The width.\n */\n setBaseWidth(value) {\n this.baseWidth = value;\n }\n /**\n * The base height.\n *\n * @type {Number}\n */\n get baseHeight() {\n return this.baseSize.height;\n }\n set baseHeight(value) {\n if (this.baseSize.height !== value) {\n this.baseSize.height = value;\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n /**\n * Returns the base height.\n *\n * @deprecated Use baseHeight instead.\n * @return {Number} The base height.\n */\n getBaseHeight() {\n return this.baseHeight;\n }\n /**\n * Sets the base height.\n *\n * @deprecated Use baseHeight instead.\n * @param {Number} value - The height.\n */\n setBaseHeight(value) {\n this.baseHeight = value;\n }\n /**\n * Sets the base size.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setBaseSize(width, height) {\n if (this.baseSize.width !== width || this.baseSize.height !== height) {\n this.baseSize.set(width, height);\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n /**\n * The preferred width.\n *\n * @type {Number}\n */\n get preferredWidth() {\n return this.preferredSize.width;\n }\n set preferredWidth(value) {\n if (this.preferredSize.width !== value) {\n this.preferredSize.width = value;\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n /**\n * Returns the preferred width.\n *\n * @deprecated Use preferredWidth instead.\n * @return {Number} The preferred width.\n */\n getPreferredWidth() {\n return this.preferredWidth;\n }\n /**\n * Sets the preferred width.\n *\n * Use {@link Resizer.AUTO_SIZE} to automatically calculate the width based on the height and aspect ratio.\n *\n * @deprecated Use preferredWidth instead.\n * @param {Number} value - The width.\n */\n setPreferredWidth(value) {\n this.preferredWidth = value;\n }\n /**\n * The preferred height.\n *\n * @type {Number}\n */\n get preferredHeight() {\n return this.preferredSize.height;\n }\n set preferredHeight(value) {\n if (this.preferredSize.height !== value) {\n this.preferredSize.height = value;\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n /**\n * Returns the preferred height.\n *\n * @deprecated Use preferredHeight instead.\n * @return {Number} The preferred height.\n */\n getPreferredHeight() {\n return this.preferredHeight;\n }\n /**\n * Sets the preferred height.\n *\n * Use {@link Resizer.AUTO_SIZE} to automatically calculate the height based on the width and aspect ratio.\n *\n * @deprecated Use preferredHeight instead.\n * @param {Number} value - The height.\n */\n setPreferredHeight(value) {\n this.preferredHeight = value;\n }\n /**\n * Sets the preferred size.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setPreferredSize(width, height) {\n if (this.preferredSize.width !== width || this.preferredSize.height !== height) {\n this.preferredSize.set(width, height);\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n }\n /**\n * Copies the given resolution.\n *\n * @param {Resolution} resolution - The resolution.\n */\n copy(resolution) {\n this.s = resolution.scale;\n this.baseSize.set(resolution.baseWidth, resolution.baseHeight);\n this.preferredSize.set(resolution.preferredWidth, resolution.preferredHeight);\n this.dispatchEvent({ type: \"change\" });\n this.resizable.setSize(this.baseSize.width, this.baseSize.height);\n }\n /**\n * An auto sizing constant.\n *\n * Can be used to automatically calculate the width or height based on the original aspect ratio.\n *\n * @type {Number}\n */\n static get AUTO_SIZE() {\n return AUTO_SIZE;\n }\n};\n\n// src/utils/IdManager.js\nvar IdManager = class {\n /**\n * Constructs a new ID manager.\n *\n * @param initialId - The first ID.\n */\n constructor(initialId = 0) {\n this.nextId = initialId;\n }\n /**\n * Returns the next unique ID.\n *\n * @return The ID.\n */\n getNextId() {\n return this.nextId++;\n }\n /**\n * Resets the ID counter.\n *\n * @param initialId - The first ID.\n * @return This manager.\n */\n reset(initialId = 0) {\n this.nextId = initialId;\n return this;\n }\n};\n\n// src/core/Selection.js\nvar idManager = /* @__PURE__ */ new IdManager(2);\nvar Selection = class extends Set {\n /**\n * Constructs a new selection.\n *\n * @param {Iterable} [iterable] - A collection of objects that should be added to this selection.\n * @param {Number} [layer] - A dedicated render layer for selected objects. Range is `[2, 31]`. Starts at 2 if omitted.\n */\n constructor(iterable, layer = idManager.getNextId()) {\n super();\n this.exclusive = false;\n this._layer = layer;\n if (this._layer < 1 || this._layer > 31) {\n console.warn(\"Layer out of range, resetting to 2\");\n idManager.reset(2);\n this._layer = idManager.getNextId();\n }\n if (iterable !== void 0) {\n this.set(iterable);\n }\n }\n /**\n * The render layer for selected objects.\n *\n * @type {Number}\n */\n get layer() {\n return this._layer;\n }\n set layer(value) {\n const currentLayer = this._layer;\n for (const object of this) {\n object.layers.disable(currentLayer);\n object.layers.enable(value);\n }\n this._layer = value;\n }\n /**\n * Returns the current render layer for selected objects.\n *\n * The default layer is 2. If this collides with your own custom layers, please change it before rendering!\n *\n * @deprecated Use layer instead.\n * @return {Number} The layer.\n */\n getLayer() {\n return this.layer;\n }\n /**\n * Sets the render layer for selected objects.\n *\n * The current selection will be updated accordingly.\n *\n * @deprecated Use layer instead.\n * @param {Number} value - The layer. Range is [0, 31].\n */\n setLayer(value) {\n this.layer = value;\n }\n /**\n * Indicates whether objects that are added to this selection will be removed from all other layers.\n *\n * @deprecated Use exclusive instead.\n * @return {Number} Whether this selection is exclusive. Default is false.\n */\n isExclusive() {\n return this.exclusive;\n }\n /**\n * Controls whether objects that are added to this selection should be removed from all other layers.\n *\n * @deprecated Use exclusive instead.\n * @param {Number} value - Whether this selection should be exclusive.\n */\n setExclusive(value) {\n this.exclusive = value;\n }\n /**\n * Clears this selection.\n *\n * @return {Selection} This selection.\n */\n clear() {\n const layer = this.layer;\n for (const object of this) {\n object.layers.disable(layer);\n }\n return super.clear();\n }\n /**\n * Clears this selection and adds the given objects.\n *\n * @param {Iterable} objects - The objects that should be selected.\n * @return {Selection} This selection.\n */\n set(objects) {\n this.clear();\n for (const object of objects) {\n this.add(object);\n }\n return this;\n }\n /**\n * An alias for {@link has}.\n *\n * @param {Object3D} object - An object.\n * @return {Number} Returns 0 if the given object is currently selected, or -1 otherwise.\n * @deprecated Added for backward-compatibility.\n */\n indexOf(object) {\n return this.has(object) ? 0 : -1;\n }\n /**\n * Adds an object to this selection.\n *\n * If {@link exclusive} is set to `true`, the object will also be removed from all other layers.\n *\n * @param {Object3D} object - The object that should be selected.\n * @return {Selection} This selection.\n */\n add(object) {\n if (this.exclusive) {\n object.layers.set(this.layer);\n } else {\n object.layers.enable(this.layer);\n }\n return super.add(object);\n }\n /**\n * Removes an object from this selection.\n *\n * @param {Object3D} object - The object that should be deselected.\n * @return {Boolean} Returns true if an object has successfully been removed from this selection; otherwise false.\n */\n delete(object) {\n if (this.has(object)) {\n object.layers.disable(this.layer);\n }\n return super.delete(object);\n }\n /**\n * Removes an existing object from the selection. If the object doesn't exist it's added instead.\n *\n * @param {Object3D} object - The object.\n * @return {Boolean} Returns true if the object is added, false otherwise.\n */\n toggle(object) {\n let result;\n if (this.has(object)) {\n this.delete(object);\n result = false;\n } else {\n this.add(object);\n result = true;\n }\n return result;\n }\n /**\n * Sets the visibility of all selected objects.\n *\n * This method enables or disables render layer 0 of all selected objects.\n *\n * @param {Boolean} visible - Whether the selected objects should be visible.\n * @return {Selection} This selection.\n */\n setVisible(visible) {\n for (const object of this) {\n if (visible) {\n object.layers.enable(0);\n } else {\n object.layers.disable(0);\n }\n }\n return this;\n }\n};\n\n// src/effects/blending/BlendMode.js\nimport { EventDispatcher as EventDispatcher2, Uniform as Uniform2 } from \"three\";\n\n// src/enums/BlendFunction.js\nvar BlendFunction = {\n SKIP: 9,\n SET: 30,\n ADD: 0,\n ALPHA: 1,\n AVERAGE: 2,\n COLOR: 3,\n COLOR_BURN: 4,\n COLOR_DODGE: 5,\n DARKEN: 6,\n DIFFERENCE: 7,\n DIVIDE: 8,\n DST: 9,\n EXCLUSION: 10,\n HARD_LIGHT: 11,\n HARD_MIX: 12,\n HUE: 13,\n INVERT: 14,\n INVERT_RGB: 15,\n LIGHTEN: 16,\n LINEAR_BURN: 17,\n LINEAR_DODGE: 18,\n LINEAR_LIGHT: 19,\n LUMINOSITY: 20,\n MULTIPLY: 21,\n NEGATION: 22,\n NORMAL: 23,\n OVERLAY: 24,\n PIN_LIGHT: 25,\n REFLECT: 26,\n SATURATION: 27,\n SCREEN: 28,\n SOFT_LIGHT: 29,\n SRC: 30,\n SUBTRACT: 31,\n VIVID_LIGHT: 32\n};\n\n// src/effects/blending/glsl/add.frag\nvar add_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x+y,opacity);}\";\n\n// src/effects/blending/glsl/alpha.frag\nvar alpha_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y,min(y.a,opacity));}\";\n\n// src/effects/blending/glsl/average.frag\nvar average_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,(x+y)*0.5,opacity);}\";\n\n// src/effects/blending/glsl/color.frag\nvar color_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(yHSL.rg,xHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}\";\n\n// src/effects/blending/glsl/color-burn.frag\nvar color_burn_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(step(0.0,y)*(1.0-min(vec4(1.0),(1.0-x)/y)),vec4(1.0),step(1.0,x));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/color-dodge.frag\nvar color_dodge_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=step(0.0,x)*mix(min(vec4(1.0),x/max(1.0-y,1e-9)),vec4(1.0),step(1.0,y));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/darken.frag\nvar darken_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,min(x,y),opacity);}\";\n\n// src/effects/blending/glsl/difference.frag\nvar difference_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,abs(x-y),opacity);}\";\n\n// src/effects/blending/glsl/divide.frag\nvar divide_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x/max(y,1e-12),opacity);}\";\n\n// src/effects/blending/glsl/exclusion.frag\nvar exclusion_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,(x+y-2.0*x*y),opacity);}\";\n\n// src/effects/blending/glsl/hard-light.frag\nvar hard_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 a=min(x,1.0),b=min(y,1.0);vec4 z=mix(2.0*a*b,1.0-2.0*(1.0-a)*(1.0-b),step(0.5,y));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/hard-mix.frag\nvar hard_mix_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,step(1.0,x+y),opacity);}\";\n\n// src/effects/blending/glsl/hue.frag\nvar hue_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(yHSL.r,xHSL.gb));return vec4(mix(x.rgb,z,opacity),y.a);}\";\n\n// src/effects/blending/glsl/invert.frag\nvar invert_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,1.0-y,opacity);}\";\n\n// src/effects/blending/glsl/invert-rgb.frag\nvar invert_rgb_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y*(1.0-x),opacity);}\";\n\n// src/effects/blending/glsl/lighten.frag\nvar lighten_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,max(x,y),opacity);}\";\n\n// src/effects/blending/glsl/linear-burn.frag\nvar linear_burn_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,clamp(y+x-1.0,0.0,1.0),opacity);}\";\n\n// src/effects/blending/glsl/linear-dodge.frag\nvar linear_dodge_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,min(x+y,1.0),opacity);}\";\n\n// src/effects/blending/glsl/linear-light.frag\nvar linear_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,clamp(2.0*y+x-1.0,0.0,1.0),opacity);}\";\n\n// src/effects/blending/glsl/luminosity.frag\nvar luminosity_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(xHSL.rg,yHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}\";\n\n// src/effects/blending/glsl/multiply.frag\nvar multiply_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x*y,opacity);}\";\n\n// src/effects/blending/glsl/negation.frag\nvar negation_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,1.0-abs(1.0-x-y),opacity);}\";\n\n// src/effects/blending/glsl/normal.frag\nvar normal_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,y,opacity);}\";\n\n// src/effects/blending/glsl/overlay.frag\nvar overlay_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(2.0*y*x,1.0-2.0*(1.0-y)*(1.0-x),step(0.5,x));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/pin-light.frag\nvar pin_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 y2=2.0*y;vec4 z=mix(mix(y2,x,step(0.5*x,y)),max(vec4(0.0),y2-1.0),step(x,(y2-1.0)));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/reflect.frag\nvar reflect_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(min(x*x/max(1.0-y,1e-12),1.0),y,step(1.0,y));return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/saturation.frag\nvar saturation_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec3 xHSL=RGBToHSL(x.rgb);vec3 yHSL=RGBToHSL(y.rgb);vec3 z=HSLToRGB(vec3(xHSL.r,yHSL.g,xHSL.b));return vec4(mix(x.rgb,z,opacity),y.a);}\";\n\n// src/effects/blending/glsl/screen.frag\nvar screen_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,x+y-min(x*y,1.0),opacity);}\";\n\n// src/effects/blending/glsl/soft-light.frag\nvar soft_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 y2=2.0*y;vec4 w=step(0.5,y);vec4 z=mix(x-(1.0-y2)*x*(1.0-x),mix(x+(y2-1.0)*(sqrt(x)-x),x+(y2-1.0)*x*((16.0*x-12.0)*x+3.0),w*(1.0-step(0.25,x))),w);return mix(x,z,opacity);}\";\n\n// src/effects/blending/glsl/src.frag\nvar src_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return y;}\";\n\n// src/effects/blending/glsl/subtract.frag\nvar subtract_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){return mix(x,max(x+y-1.0,0.0),opacity);}\";\n\n// src/effects/blending/glsl/vivid-light.frag\nvar vivid_light_default = \"vec4 blend(const in vec4 x,const in vec4 y,const in float opacity){vec4 z=mix(max(1.0-min((1.0-x)/(2.0*y),1.0),0.0),min(x/(2.0*(1.0-y)),1.0),step(0.5,y));return mix(x,z,opacity);}\";\n\n// src/effects/blending/BlendMode.js\nvar blendFunctions = /* @__PURE__ */ new Map([\n [BlendFunction.ADD, add_default],\n [BlendFunction.ALPHA, alpha_default],\n [BlendFunction.AVERAGE, average_default],\n [BlendFunction.COLOR, color_default],\n [BlendFunction.COLOR_BURN, color_burn_default],\n [BlendFunction.COLOR_DODGE, color_dodge_default],\n [BlendFunction.DARKEN, darken_default],\n [BlendFunction.DIFFERENCE, difference_default],\n [BlendFunction.DIVIDE, divide_default],\n [BlendFunction.DST, null],\n [BlendFunction.EXCLUSION, exclusion_default],\n [BlendFunction.HARD_LIGHT, hard_light_default],\n [BlendFunction.HARD_MIX, hard_mix_default],\n [BlendFunction.HUE, hue_default],\n [BlendFunction.INVERT, invert_default],\n [BlendFunction.INVERT_RGB, invert_rgb_default],\n [BlendFunction.LIGHTEN, lighten_default],\n [BlendFunction.LINEAR_BURN, linear_burn_default],\n [BlendFunction.LINEAR_DODGE, linear_dodge_default],\n [BlendFunction.LINEAR_LIGHT, linear_light_default],\n [BlendFunction.LUMINOSITY, luminosity_default],\n [BlendFunction.MULTIPLY, multiply_default],\n [BlendFunction.NEGATION, negation_default],\n [BlendFunction.NORMAL, normal_default],\n [BlendFunction.OVERLAY, overlay_default],\n [BlendFunction.PIN_LIGHT, pin_light_default],\n [BlendFunction.REFLECT, reflect_default],\n [BlendFunction.SATURATION, saturation_default],\n [BlendFunction.SCREEN, screen_default],\n [BlendFunction.SOFT_LIGHT, soft_light_default],\n [BlendFunction.SRC, src_default],\n [BlendFunction.SUBTRACT, subtract_default],\n [BlendFunction.VIVID_LIGHT, vivid_light_default]\n]);\nvar BlendMode = class extends EventDispatcher2 {\n /**\n * Constructs a new blend mode.\n *\n * @param {BlendFunction} blendFunction - The blend function.\n * @param {Number} opacity - The opacity of the color that will be blended with the base color.\n */\n constructor(blendFunction, opacity = 1) {\n super();\n this._blendFunction = blendFunction;\n this.opacity = new Uniform2(opacity);\n }\n /**\n * Returns the opacity.\n *\n * @return {Number} The opacity.\n */\n getOpacity() {\n return this.opacity.value;\n }\n /**\n * Sets the opacity.\n *\n * @param {Number} value - The opacity.\n */\n setOpacity(value) {\n this.opacity.value = value;\n }\n /**\n * The blend function.\n *\n * @type {BlendFunction}\n */\n get blendFunction() {\n return this._blendFunction;\n }\n set blendFunction(value) {\n this._blendFunction = value;\n this.dispatchEvent({ type: \"change\" });\n }\n /**\n * Returns the blend function.\n *\n * @deprecated Use blendFunction instead.\n * @return {BlendFunction} The blend function.\n */\n getBlendFunction() {\n return this.blendFunction;\n }\n /**\n * Sets the blend function.\n *\n * @deprecated Use blendFunction instead.\n * @param {BlendFunction} value - The blend function.\n */\n setBlendFunction(value) {\n this.blendFunction = value;\n }\n /**\n * Returns the blend function shader code.\n *\n * @return {String} The blend function shader code.\n */\n getShaderCode() {\n return blendFunctions.get(this.blendFunction);\n }\n};\n\n// src/effects/BloomEffect.js\nimport { SRGBColorSpace as SRGBColorSpace5, Uniform as Uniform7, WebGLRenderTarget as WebGLRenderTarget8 } from \"three\";\n\n// src/enums/KernelSize.js\nvar KernelSize = {\n VERY_SMALL: 0,\n SMALL: 1,\n MEDIUM: 2,\n LARGE: 3,\n VERY_LARGE: 4,\n HUGE: 5\n};\n\n// src/passes/KawaseBlurPass.js\nimport { SRGBColorSpace as SRGBColorSpace3, UnsignedByteType as UnsignedByteType3, WebGLRenderTarget as WebGLRenderTarget4 } from \"three\";\n\n// src/materials/KawaseBlurMaterial.js\nimport { NoBlending as NoBlending2, ShaderMaterial as ShaderMaterial3, Uniform as Uniform3, Vector4 } from \"three\";\n\n// src/materials/glsl/convolution.kawase.frag\nvar convolution_kawase_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nvarying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec4 sum=texture2D(inputBuffer,vUv0);sum+=texture2D(inputBuffer,vUv1);sum+=texture2D(inputBuffer,vUv2);sum+=texture2D(inputBuffer,vUv3);gl_FragColor=sum*0.25;\\n#include \\n}\";\n\n// src/materials/glsl/convolution.kawase.vert\nvar convolution_kawase_default2 = \"uniform vec4 texelSize;uniform float kernel;uniform float scale;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 uv=position.xy*0.5+0.5;vec2 dUv=(texelSize.xy*vec2(kernel)+texelSize.zw)*scale;vUv0=vec2(uv.x-dUv.x,uv.y+dUv.y);vUv1=vec2(uv.x+dUv.x,uv.y+dUv.y);vUv2=vec2(uv.x+dUv.x,uv.y-dUv.y);vUv3=vec2(uv.x-dUv.x,uv.y-dUv.y);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/KawaseBlurMaterial.js\nvar kernelPresets = [\n new Float32Array([0, 0]),\n new Float32Array([0, 1, 1]),\n new Float32Array([0, 1, 1, 2]),\n new Float32Array([0, 1, 2, 2, 3]),\n new Float32Array([0, 1, 2, 3, 4, 4, 5]),\n new Float32Array([0, 1, 2, 3, 4, 5, 7, 8, 9, 10])\n];\nvar KawaseBlurMaterial = class extends ShaderMaterial3 {\n /**\n * Constructs a new convolution material.\n *\n * TODO Remove texelSize param.\n * @param {Vector4} [texelSize] - Deprecated.\n */\n constructor(texelSize = new Vector4()) {\n super({\n name: \"KawaseBlurMaterial\",\n uniforms: {\n inputBuffer: new Uniform3(null),\n texelSize: new Uniform3(new Vector4()),\n scale: new Uniform3(1),\n kernel: new Uniform3(0)\n },\n blending: NoBlending2,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_kawase_default,\n vertexShader: convolution_kawase_default2\n });\n this.setTexelSize(texelSize.x, texelSize.y);\n this.kernelSize = KernelSize.MEDIUM;\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the input buffer.\n *\n * @deprecated Use inputBuffer instead.\n * @param {Texture} value - The input buffer.\n */\n setInputBuffer(value) {\n this.inputBuffer = value;\n }\n /**\n * The kernel sequence for the current kernel size.\n *\n * @type {Float32Array}\n */\n get kernelSequence() {\n return kernelPresets[this.kernelSize];\n }\n /**\n * The blur scale.\n *\n * @type {Number}\n */\n get scale() {\n return this.uniforms.scale.value;\n }\n set scale(value) {\n this.uniforms.scale.value = value;\n }\n /**\n * Returns the blur scale.\n *\n * @deprecated Use scale instead.\n * @return {Number} The scale.\n */\n getScale() {\n return this.uniforms.scale.value;\n }\n /**\n * Sets the blur scale.\n *\n * @deprecated Use scale instead.\n * @return {Number} value - The scale.\n */\n setScale(value) {\n this.uniforms.scale.value = value;\n }\n /**\n * Returns the kernel.\n *\n * @return {Float32Array} The kernel.\n * @deprecated Implementation detail, removed with no replacement.\n */\n getKernel() {\n return null;\n }\n /**\n * The current kernel.\n *\n * @type {Number}\n */\n get kernel() {\n return this.uniforms.kernel.value;\n }\n set kernel(value) {\n this.uniforms.kernel.value = value;\n }\n /**\n * Sets the current kernel.\n *\n * @deprecated Use kernel instead.\n * @param {Number} value - The kernel.\n */\n setKernel(value) {\n this.kernel = value;\n }\n /**\n * Sets the texel size.\n *\n * @deprecated Use setSize() instead.\n * @param {Number} x - The texel width.\n * @param {Number} y - The texel height.\n */\n setTexelSize(x, y) {\n this.uniforms.texelSize.value.set(x, y, x * 0.5, y * 0.5);\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const x = 1 / width, y = 1 / height;\n this.uniforms.texelSize.value.set(x, y, x * 0.5, y * 0.5);\n }\n};\n\n// src/passes/KawaseBlurPass.js\nvar KawaseBlurPass = class extends Pass {\n /**\n * Constructs a new Kawase blur pass.\n *\n * @param {Object} [options] - The options.\n * @param {KernelSize} [options.kernelSize=KernelSize.MEDIUM] - The blur kernel size.\n * @param {Number} [options.resolutionScale=0.5] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n * @param {Number} [options.width=Resolution.AUTO_SIZE] - Deprecated. Use resolutionX instead.\n * @param {Number} [options.height=Resolution.AUTO_SIZE] - Deprecated. Use resolutionY instead.\n */\n constructor({\n kernelSize = KernelSize.MEDIUM,\n resolutionScale = 0.5,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"KawaseBlurPass\");\n this.renderTargetA = new WebGLRenderTarget4(1, 1, { depthBuffer: false });\n this.renderTargetA.texture.name = \"Blur.Target.A\";\n this.renderTargetB = this.renderTargetA.clone();\n this.renderTargetB.texture.name = \"Blur.Target.B\";\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this._blurMaterial = new KawaseBlurMaterial();\n this._blurMaterial.kernelSize = kernelSize;\n this.copyMaterial = new CopyMaterial();\n }\n /**\n * Returns the resolution settings.\n *\n * @deprecated Use resolution instead.\n * @return {Resolution} The resolution.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * The blur material.\n *\n * @type {KawaseBlurMaterial}\n */\n get blurMaterial() {\n return this._blurMaterial;\n }\n /**\n * The blur material.\n *\n * @type {KawaseBlurMaterial}\n * @protected\n */\n set blurMaterial(value) {\n this._blurMaterial = value;\n }\n /**\n * Indicates whether dithering is enabled.\n *\n * @type {Boolean}\n * @deprecated Use copyMaterial.dithering instead.\n */\n get dithering() {\n return this.copyMaterial.dithering;\n }\n set dithering(value) {\n this.copyMaterial.dithering = value;\n }\n /**\n * The kernel size.\n *\n * @type {KernelSize}\n * @deprecated Use blurMaterial.kernelSize instead.\n */\n get kernelSize() {\n return this.blurMaterial.kernelSize;\n }\n set kernelSize(value) {\n this.blurMaterial.kernelSize = value;\n }\n /**\n * The current width of the internal render targets.\n *\n * @type {Number}\n * @deprecated Use resolution.width instead.\n */\n get width() {\n return this.resolution.width;\n }\n /**\n * Sets the render width.\n *\n * @type {Number}\n * @deprecated Use resolution.preferredWidth instead.\n */\n set width(value) {\n this.resolution.preferredWidth = value;\n }\n /**\n * The current height of the internal render targets.\n *\n * @type {Number}\n * @deprecated Use resolution.height instead.\n */\n get height() {\n return this.resolution.height;\n }\n /**\n * Sets the render height.\n *\n * @type {Number}\n * @deprecated Use resolution.preferredHeight instead.\n */\n set height(value) {\n this.resolution.preferredHeight = value;\n }\n /**\n * The current blur scale.\n *\n * @type {Number}\n * @deprecated Use blurMaterial.scale instead.\n */\n get scale() {\n return this.blurMaterial.scale;\n }\n set scale(value) {\n this.blurMaterial.scale = value;\n }\n /**\n * Returns the current blur scale.\n *\n * @deprecated Use blurMaterial.scale instead.\n * @return {Number} The scale.\n */\n getScale() {\n return this.blurMaterial.scale;\n }\n /**\n * Sets the blur scale.\n *\n * @deprecated Use blurMaterial.scale instead.\n * @param {Number} value - The scale.\n */\n setScale(value) {\n this.blurMaterial.scale = value;\n }\n /**\n * Returns the kernel size.\n *\n * @deprecated Use blurMaterial.kernelSize instead.\n * @return {KernelSize} The kernel size.\n */\n getKernelSize() {\n return this.kernelSize;\n }\n /**\n * Sets the kernel size.\n *\n * Larger kernels require more processing power but scale well with larger render resolutions.\n *\n * @deprecated Use blurMaterial.kernelSize instead.\n * @param {KernelSize} value - The kernel size.\n */\n setKernelSize(value) {\n this.kernelSize = value;\n }\n /**\n * Returns the current resolution scale.\n *\n * @return {Number} The resolution scale.\n * @deprecated Use resolution instead.\n */\n getResolutionScale() {\n return this.resolution.scale;\n }\n /**\n * Sets the resolution scale.\n *\n * @param {Number} scale - The new resolution scale.\n * @deprecated Use resolution instead.\n */\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n /**\n * Renders the blur.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const scene = this.scene;\n const camera = this.camera;\n const renderTargetA = this.renderTargetA;\n const renderTargetB = this.renderTargetB;\n const material = this.blurMaterial;\n const kernelSequence = material.kernelSequence;\n let previousBuffer = inputBuffer;\n this.fullscreenMaterial = material;\n for (let i = 0, l = kernelSequence.length; i < l; ++i) {\n const buffer = (i & 1) === 0 ? renderTargetA : renderTargetB;\n material.kernel = kernelSequence[i];\n material.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(buffer);\n renderer.render(scene, camera);\n previousBuffer = buffer;\n }\n this.fullscreenMaterial = this.copyMaterial;\n this.copyMaterial.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(scene, camera);\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.renderTargetA.setSize(w, h);\n this.renderTargetB.setSize(w, h);\n this.blurMaterial.setSize(width, height);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0) {\n this.renderTargetA.texture.type = frameBufferType;\n this.renderTargetB.texture.type = frameBufferType;\n if (frameBufferType !== UnsignedByteType3) {\n this.blurMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n this.copyMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace3) {\n this.renderTargetA.texture.colorSpace = SRGBColorSpace3;\n this.renderTargetB.texture.colorSpace = SRGBColorSpace3;\n }\n }\n }\n /**\n * An auto sizing flag.\n *\n * @type {Number}\n * @deprecated Use {@link Resolution.AUTO_SIZE} instead.\n */\n static get AUTO_SIZE() {\n return Resolution.AUTO_SIZE;\n }\n};\n\n// src/passes/LuminancePass.js\nimport { UnsignedByteType as UnsignedByteType4, WebGLRenderTarget as WebGLRenderTarget5 } from \"three\";\n\n// src/materials/LuminanceMaterial.js\nimport { NoBlending as NoBlending3, REVISION, ShaderMaterial as ShaderMaterial4, Uniform as Uniform4 } from \"three\";\n\n// src/materials/glsl/luminance.frag\nvar luminance_default = \"#include \\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#ifdef RANGE\\nuniform vec2 range;\\n#elif defined(THRESHOLD)\\nuniform float threshold;uniform float smoothing;\\n#endif\\nvarying vec2 vUv;void main(){vec4 texel=texture2D(inputBuffer,vUv);float l=luminance(texel.rgb);\\n#ifdef RANGE\\nfloat low=step(range.x,l);float high=step(l,range.y);l*=low*high;\\n#elif defined(THRESHOLD)\\nl=smoothstep(threshold,threshold+smoothing,l)*l;\\n#endif\\n#ifdef COLOR\\ngl_FragColor=vec4(texel.rgb*clamp(l,0.0,1.0),l);\\n#else\\ngl_FragColor=vec4(l);\\n#endif\\n}\";\n\n// src/materials/LuminanceMaterial.js\nvar LuminanceMaterial = class extends ShaderMaterial4 {\n /**\n * Constructs a new luminance material.\n *\n * @param {Boolean} [colorOutput=false] - Defines whether the shader should output colors scaled with their luminance value.\n * @param {Vector2} [luminanceRange] - If provided, the shader will mask out texels that aren't in the specified luminance range.\n */\n constructor(colorOutput = false, luminanceRange = null) {\n super({\n name: \"LuminanceMaterial\",\n defines: {\n THREE_REVISION: REVISION.replace(/\\D+/g, \"\")\n },\n uniforms: {\n inputBuffer: new Uniform4(null),\n threshold: new Uniform4(0),\n smoothing: new Uniform4(1),\n range: new Uniform4(null)\n },\n blending: NoBlending3,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: luminance_default,\n vertexShader: common_default\n });\n this.colorOutput = colorOutput;\n this.luminanceRange = luminanceRange;\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the input buffer.\n *\n * @deprecated Use inputBuffer instead.\n * @param {Texture} value - The input buffer.\n */\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * The luminance threshold.\n *\n * @type {Number}\n */\n get threshold() {\n return this.uniforms.threshold.value;\n }\n set threshold(value) {\n if (this.smoothing > 0 || value > 0) {\n this.defines.THRESHOLD = \"1\";\n } else {\n delete this.defines.THRESHOLD;\n }\n this.uniforms.threshold.value = value;\n }\n /**\n * Returns the luminance threshold.\n *\n * @deprecated Use threshold instead.\n * @return {Number} The threshold.\n */\n getThreshold() {\n return this.threshold;\n }\n /**\n * Sets the luminance threshold.\n *\n * @deprecated Use threshold instead.\n * @param {Number} value - The threshold.\n */\n setThreshold(value) {\n this.threshold = value;\n }\n /**\n * The luminance threshold smoothing.\n *\n * @type {Number}\n */\n get smoothing() {\n return this.uniforms.smoothing.value;\n }\n set smoothing(value) {\n if (this.threshold > 0 || value > 0) {\n this.defines.THRESHOLD = \"1\";\n } else {\n delete this.defines.THRESHOLD;\n }\n this.uniforms.smoothing.value = value;\n }\n /**\n * Returns the luminance threshold smoothing factor.\n *\n * @deprecated Use smoothing instead.\n * @return {Number} The smoothing factor.\n */\n getSmoothingFactor() {\n return this.smoothing;\n }\n /**\n * Sets the luminance threshold smoothing factor.\n *\n * @deprecated Use smoothing instead.\n * @param {Number} value - The smoothing factor.\n */\n setSmoothingFactor(value) {\n this.smoothing = value;\n }\n /**\n * Indicates whether the luminance threshold is enabled.\n *\n * @type {Boolean}\n * @deprecated Adjust the threshold or smoothing factor instead.\n */\n get useThreshold() {\n return this.threshold > 0 || this.smoothing > 0;\n }\n set useThreshold(value) {\n }\n /**\n * Indicates whether color output is enabled.\n *\n * @type {Boolean}\n */\n get colorOutput() {\n return this.defines.COLOR !== void 0;\n }\n set colorOutput(value) {\n if (value) {\n this.defines.COLOR = \"1\";\n } else {\n delete this.defines.COLOR;\n }\n this.needsUpdate = true;\n }\n /**\n * Indicates whether color output is enabled.\n *\n * @deprecated Use colorOutput instead.\n * @return {Boolean} Whether color output is enabled.\n */\n isColorOutputEnabled(value) {\n return this.colorOutput;\n }\n /**\n * Enables or disables color output.\n *\n * @deprecated Use colorOutput instead.\n * @param {Boolean} value - Whether color output should be enabled.\n */\n setColorOutputEnabled(value) {\n this.colorOutput = value;\n }\n /**\n * Indicates whether luminance masking is enabled.\n *\n * @type {Boolean}\n * @deprecated\n */\n get useRange() {\n return this.luminanceRange !== null;\n }\n set useRange(value) {\n this.luminanceRange = null;\n }\n /**\n * The luminance range. Set to null to disable.\n *\n * @type {Boolean}\n */\n get luminanceRange() {\n return this.uniforms.range.value;\n }\n set luminanceRange(value) {\n if (value !== null) {\n this.defines.RANGE = \"1\";\n } else {\n delete this.defines.RANGE;\n }\n this.uniforms.range.value = value;\n this.needsUpdate = true;\n }\n /**\n * Returns the current luminance range.\n *\n * @deprecated Use luminanceRange instead.\n * @return {Vector2} The luminance range.\n */\n getLuminanceRange() {\n return this.luminanceRange;\n }\n /**\n * Sets a luminance range. Set to null to disable.\n *\n * @deprecated Use luminanceRange instead.\n * @param {Vector2} value - The luminance range.\n */\n setLuminanceRange(value) {\n this.luminanceRange = value;\n }\n};\n\n// src/passes/LuminancePass.js\nvar LuminancePass = class extends Pass {\n /**\n * Constructs a new luminance pass.\n *\n * @param {Object} [options] - The options. See {@link LuminanceMaterial} for additional options.\n * @param {WebGLRenderTarget} [options.renderTarget] - A custom render target.\n * @param {Number} [options.resolutionScale=1.0] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n * @param {Number} [options.width=Resolution.AUTO_SIZE] - Deprecated. Use resolutionX instead.\n * @param {Number} [options.height=Resolution.AUTO_SIZE] - Deprecated. Use resolutionY instead.\n */\n constructor({\n renderTarget,\n luminanceRange,\n colorOutput,\n resolutionScale = 1,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"LuminancePass\");\n this.fullscreenMaterial = new LuminanceMaterial(colorOutput, luminanceRange);\n this.needsSwap = false;\n this.renderTarget = renderTarget;\n if (this.renderTarget === void 0) {\n this.renderTarget = new WebGLRenderTarget5(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"LuminancePass.Target\";\n }\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n /**\n * The luminance texture.\n *\n * @type {Texture}\n */\n get texture() {\n return this.renderTarget.texture;\n }\n /**\n * Returns the luminance texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.renderTarget.texture;\n }\n /**\n * Returns the resolution settings.\n *\n * @deprecated Use resolution instead.\n * @return {Resolution} The resolution.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * Renders the luminance.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const material = this.fullscreenMaterial;\n material.inputBuffer = inputBuffer.texture;\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n renderer.render(this.scene, this.camera);\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - A renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0 && frameBufferType !== UnsignedByteType4) {\n this.renderTarget.texture.type = frameBufferType;\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n }\n }\n};\n\n// src/passes/MipmapBlurPass.js\nimport { SRGBColorSpace as SRGBColorSpace4, UnsignedByteType as UnsignedByteType5, Vector2 as Vector25, WebGLRenderTarget as WebGLRenderTarget6 } from \"three\";\n\n// src/materials/DownsamplingMaterial.js\nimport { NoBlending as NoBlending4, ShaderMaterial as ShaderMaterial5, Uniform as Uniform5, Vector2 as Vector23 } from \"three\";\n\n// src/materials/glsl/convolution.downsampling.frag\nvar convolution_downsampling_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#define WEIGHT_INNER 0.125\\n#define WEIGHT_OUTER 0.0555555\\nvarying vec2 vUv;varying vec2 vUv00;varying vec2 vUv01;varying vec2 vUv02;varying vec2 vUv03;varying vec2 vUv04;varying vec2 vUv05;varying vec2 vUv06;varying vec2 vUv07;varying vec2 vUv08;varying vec2 vUv09;varying vec2 vUv10;varying vec2 vUv11;float clampToBorder(const in vec2 uv){return float(uv.s>=0.0&&uv.s<=1.0&&uv.t>=0.0&&uv.t<=1.0);}void main(){vec4 c=vec4(0.0);vec4 w=WEIGHT_INNER*vec4(clampToBorder(vUv00),clampToBorder(vUv01),clampToBorder(vUv02),clampToBorder(vUv03));c+=w.x*texture2D(inputBuffer,vUv00);c+=w.y*texture2D(inputBuffer,vUv01);c+=w.z*texture2D(inputBuffer,vUv02);c+=w.w*texture2D(inputBuffer,vUv03);w=WEIGHT_OUTER*vec4(clampToBorder(vUv04),clampToBorder(vUv05),clampToBorder(vUv06),clampToBorder(vUv07));c+=w.x*texture2D(inputBuffer,vUv04);c+=w.y*texture2D(inputBuffer,vUv05);c+=w.z*texture2D(inputBuffer,vUv06);c+=w.w*texture2D(inputBuffer,vUv07);w=WEIGHT_OUTER*vec4(clampToBorder(vUv08),clampToBorder(vUv09),clampToBorder(vUv10),clampToBorder(vUv11));c+=w.x*texture2D(inputBuffer,vUv08);c+=w.y*texture2D(inputBuffer,vUv09);c+=w.z*texture2D(inputBuffer,vUv10);c+=w.w*texture2D(inputBuffer,vUv11);c+=WEIGHT_OUTER*texture2D(inputBuffer,vUv);gl_FragColor=c;\\n#include \\n}\";\n\n// src/materials/glsl/convolution.downsampling.vert\nvar convolution_downsampling_default2 = \"uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv00;varying vec2 vUv01;varying vec2 vUv02;varying vec2 vUv03;varying vec2 vUv04;varying vec2 vUv05;varying vec2 vUv06;varying vec2 vUv07;varying vec2 vUv08;varying vec2 vUv09;varying vec2 vUv10;varying vec2 vUv11;void main(){vUv=position.xy*0.5+0.5;vUv00=vUv+texelSize*vec2(-1.0,1.0);vUv01=vUv+texelSize*vec2(1.0,1.0);vUv02=vUv+texelSize*vec2(-1.0,-1.0);vUv03=vUv+texelSize*vec2(1.0,-1.0);vUv04=vUv+texelSize*vec2(-2.0,2.0);vUv05=vUv+texelSize*vec2(0.0,2.0);vUv06=vUv+texelSize*vec2(2.0,2.0);vUv07=vUv+texelSize*vec2(-2.0,0.0);vUv08=vUv+texelSize*vec2(2.0,0.0);vUv09=vUv+texelSize*vec2(-2.0,-2.0);vUv10=vUv+texelSize*vec2(0.0,-2.0);vUv11=vUv+texelSize*vec2(2.0,-2.0);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/DownsamplingMaterial.js\nvar DownsamplingMaterial = class extends ShaderMaterial5 {\n /**\n * Constructs a new downsampling material.\n */\n constructor() {\n super({\n name: \"DownsamplingMaterial\",\n uniforms: {\n inputBuffer: new Uniform5(null),\n texelSize: new Uniform5(new Vector23())\n },\n blending: NoBlending4,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_downsampling_default,\n vertexShader: convolution_downsampling_default2\n });\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/UpsamplingMaterial.js\nimport { NoBlending as NoBlending5, ShaderMaterial as ShaderMaterial6, Uniform as Uniform6, Vector2 as Vector24 } from \"three\";\n\n// src/materials/glsl/convolution.upsampling.frag\nvar convolution_upsampling_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;uniform mediump sampler2D supportBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;uniform lowp sampler2D supportBuffer;\\n#endif\\nuniform float radius;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;varying vec2 vUv6;varying vec2 vUv7;void main(){vec4 c=vec4(0.0);c+=texture2D(inputBuffer,vUv0)*0.0625;c+=texture2D(inputBuffer,vUv1)*0.125;c+=texture2D(inputBuffer,vUv2)*0.0625;c+=texture2D(inputBuffer,vUv3)*0.125;c+=texture2D(inputBuffer,vUv)*0.25;c+=texture2D(inputBuffer,vUv4)*0.125;c+=texture2D(inputBuffer,vUv5)*0.0625;c+=texture2D(inputBuffer,vUv6)*0.125;c+=texture2D(inputBuffer,vUv7)*0.0625;vec4 baseColor=texture2D(supportBuffer,vUv);gl_FragColor=mix(baseColor,c,radius);\\n#include \\n}\";\n\n// src/materials/glsl/convolution.upsampling.vert\nvar convolution_upsampling_default2 = \"uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;varying vec2 vUv6;varying vec2 vUv7;void main(){vUv=position.xy*0.5+0.5;vUv0=vUv+texelSize*vec2(-1.0,1.0);vUv1=vUv+texelSize*vec2(0.0,1.0);vUv2=vUv+texelSize*vec2(1.0,1.0);vUv3=vUv+texelSize*vec2(-1.0,0.0);vUv4=vUv+texelSize*vec2(1.0,0.0);vUv5=vUv+texelSize*vec2(-1.0,-1.0);vUv6=vUv+texelSize*vec2(0.0,-1.0);vUv7=vUv+texelSize*vec2(1.0,-1.0);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/UpsamplingMaterial.js\nvar UpsamplingMaterial = class extends ShaderMaterial6 {\n /**\n * Constructs a new upsampling material.\n */\n constructor() {\n super({\n name: \"UpsamplingMaterial\",\n uniforms: {\n inputBuffer: new Uniform6(null),\n supportBuffer: new Uniform6(null),\n texelSize: new Uniform6(new Vector24()),\n radius: new Uniform6(0.85)\n },\n blending: NoBlending5,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_upsampling_default,\n vertexShader: convolution_upsampling_default2\n });\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * A support buffer.\n *\n * @type {Texture}\n */\n set supportBuffer(value) {\n this.uniforms.supportBuffer.value = value;\n }\n /**\n * The blur radius.\n *\n * @type {Number}\n */\n get radius() {\n return this.uniforms.radius.value;\n }\n set radius(value) {\n this.uniforms.radius.value = value;\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/passes/MipmapBlurPass.js\nvar MipmapBlurPass = class extends Pass {\n /**\n * Constructs a new mipmap blur pass.\n *\n * @param {Object} [options] - The options.\n */\n constructor() {\n super(\"MipmapBlurPass\");\n this.needsSwap = false;\n this.renderTarget = new WebGLRenderTarget6(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"Upsampling.Mipmap0\";\n this.downsamplingMipmaps = [];\n this.upsamplingMipmaps = [];\n this.downsamplingMaterial = new DownsamplingMaterial();\n this.upsamplingMaterial = new UpsamplingMaterial();\n this.resolution = new Vector25();\n }\n /**\n * A texture that contains the blurred result.\n *\n * @type {Texture}\n */\n get texture() {\n return this.renderTarget.texture;\n }\n /**\n * The MIP levels. Default is 8.\n *\n * @type {Number}\n */\n get levels() {\n return this.downsamplingMipmaps.length;\n }\n set levels(value) {\n if (this.levels !== value) {\n const renderTarget = this.renderTarget;\n this.dispose();\n this.downsamplingMipmaps = [];\n this.upsamplingMipmaps = [];\n for (let i = 0; i < value; ++i) {\n const mipmap = renderTarget.clone();\n mipmap.texture.name = \"Downsampling.Mipmap\" + i;\n this.downsamplingMipmaps.push(mipmap);\n }\n this.upsamplingMipmaps.push(renderTarget);\n for (let i = 1, l = value - 1; i < l; ++i) {\n const mipmap = renderTarget.clone();\n mipmap.texture.name = \"Upsampling.Mipmap\" + i;\n this.upsamplingMipmaps.push(mipmap);\n }\n this.setSize(this.resolution.x, this.resolution.y);\n }\n }\n /**\n * The blur radius.\n *\n * @type {Number}\n */\n get radius() {\n return this.upsamplingMaterial.radius;\n }\n set radius(value) {\n this.upsamplingMaterial.radius = value;\n }\n /**\n * Renders the blur.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const { scene, camera } = this;\n const { downsamplingMaterial, upsamplingMaterial } = this;\n const { downsamplingMipmaps, upsamplingMipmaps } = this;\n let previousBuffer = inputBuffer;\n this.fullscreenMaterial = downsamplingMaterial;\n for (let i = 0, l = downsamplingMipmaps.length; i < l; ++i) {\n const mipmap = downsamplingMipmaps[i];\n downsamplingMaterial.setSize(previousBuffer.width, previousBuffer.height);\n downsamplingMaterial.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(mipmap);\n renderer.render(scene, camera);\n previousBuffer = mipmap;\n }\n this.fullscreenMaterial = upsamplingMaterial;\n for (let i = upsamplingMipmaps.length - 1; i >= 0; --i) {\n const mipmap = upsamplingMipmaps[i];\n upsamplingMaterial.setSize(previousBuffer.width, previousBuffer.height);\n upsamplingMaterial.inputBuffer = previousBuffer.texture;\n upsamplingMaterial.supportBuffer = downsamplingMipmaps[i].texture;\n renderer.setRenderTarget(mipmap);\n renderer.render(scene, camera);\n previousBuffer = mipmap;\n }\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.set(width, height);\n let w = resolution.width, h = resolution.height;\n for (let i = 0, l = this.downsamplingMipmaps.length; i < l; ++i) {\n w = Math.round(w * 0.5);\n h = Math.round(h * 0.5);\n this.downsamplingMipmaps[i].setSize(w, h);\n if (i < this.upsamplingMipmaps.length) {\n this.upsamplingMipmaps[i].setSize(w, h);\n }\n }\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0) {\n const mipmaps = this.downsamplingMipmaps.concat(this.upsamplingMipmaps);\n for (const mipmap of mipmaps) {\n mipmap.texture.type = frameBufferType;\n }\n if (frameBufferType !== UnsignedByteType5) {\n this.downsamplingMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n this.upsamplingMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace4) {\n for (const mipmap of mipmaps) {\n mipmap.texture.colorSpace = SRGBColorSpace4;\n }\n }\n }\n }\n /**\n * Deletes internal render targets and textures.\n */\n dispose() {\n super.dispose();\n for (const mipmap of this.downsamplingMipmaps.concat(this.upsamplingMipmaps)) {\n mipmap.dispose();\n }\n }\n};\n\n// src/effects/Effect.js\nimport {\n BasicDepthPacking as BasicDepthPacking2,\n EventDispatcher as EventDispatcher3,\n LinearSRGBColorSpace as LinearSRGBColorSpace2,\n Material as Material2,\n NoColorSpace,\n Texture as Texture2,\n WebGLRenderTarget as WebGLRenderTarget7\n} from \"three\";\nvar Effect = class extends EventDispatcher3 {\n /**\n * Constructs a new effect.\n *\n * @param {String} name - The name of this effect. Doesn't have to be unique.\n * @param {String} fragmentShader - The fragment shader. This shader is required.\n * @param {Object} [options] - Additional options.\n * @param {EffectAttribute} [options.attributes=EffectAttribute.NONE] - The effect attributes that determine the execution priority and resource requirements.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.NORMAL] - The blend function of this effect.\n * @param {Map} [options.defines] - Custom preprocessor macro definitions. Keys are names and values are code.\n * @param {Map} [options.uniforms] - Custom shader uniforms. Keys are names and values are uniforms.\n * @param {Set} [options.extensions] - WebGL extensions.\n * @param {String} [options.vertexShader=null] - The vertex shader. Most effects don't need one.\n */\n constructor(name, fragmentShader, {\n attributes = EffectAttribute.NONE,\n blendFunction = BlendFunction.NORMAL,\n defines = /* @__PURE__ */ new Map(),\n uniforms = /* @__PURE__ */ new Map(),\n extensions = null,\n vertexShader = null\n } = {}) {\n super();\n this.name = name;\n this.renderer = null;\n this.attributes = attributes;\n this.fragmentShader = fragmentShader;\n this.vertexShader = vertexShader;\n this.defines = defines;\n this.uniforms = uniforms;\n this.extensions = extensions;\n this.blendMode = new BlendMode(blendFunction);\n this.blendMode.addEventListener(\"change\", (event) => this.setChanged());\n this._inputColorSpace = LinearSRGBColorSpace2;\n this._outputColorSpace = NoColorSpace;\n }\n /**\n * The input color space.\n *\n * @type {ColorSpace}\n * @experimental\n */\n get inputColorSpace() {\n return this._inputColorSpace;\n }\n /**\n * @type {ColorSpace}\n * @protected\n * @experimental\n */\n set inputColorSpace(value) {\n this._inputColorSpace = value;\n this.setChanged();\n }\n /**\n * The output color space.\n *\n * Should only be changed if this effect converts the input colors to a different color space.\n *\n * @type {ColorSpace}\n * @experimental\n */\n get outputColorSpace() {\n return this._outputColorSpace;\n }\n /**\n * @type {ColorSpace}\n * @protected\n * @experimental\n */\n set outputColorSpace(value) {\n this._outputColorSpace = value;\n this.setChanged();\n }\n /**\n * Sets the main scene.\n *\n * @type {Scene}\n */\n set mainScene(value) {\n }\n /**\n * Sets the main camera.\n *\n * @type {Camera}\n */\n set mainCamera(value) {\n }\n /**\n * Returns the name of this effect.\n *\n * @deprecated Use name instead.\n * @return {String} The name.\n */\n getName() {\n return this.name;\n }\n /**\n * Sets the renderer.\n *\n * @deprecated\n * @param {WebGLRenderer} renderer - The renderer.\n */\n setRenderer(renderer) {\n this.renderer = renderer;\n }\n /**\n * Returns the preprocessor macro definitions.\n *\n * @deprecated Use defines instead.\n * @return {Map} The extensions.\n */\n getDefines() {\n return this.defines;\n }\n /**\n * Returns the uniforms of this effect.\n *\n * @deprecated Use uniforms instead.\n * @return {Map} The extensions.\n */\n getUniforms() {\n return this.uniforms;\n }\n /**\n * Returns the WebGL extensions that are required by this effect.\n *\n * @deprecated Use extensions instead.\n * @return {Set} The extensions.\n */\n getExtensions() {\n return this.extensions;\n }\n /**\n * Returns the blend mode.\n *\n * The result of this effect will be blended with the result of the previous effect using this blend mode.\n *\n * @deprecated Use blendMode instead.\n * @return {BlendMode} The blend mode.\n */\n getBlendMode() {\n return this.blendMode;\n }\n /**\n * Returns the effect attributes.\n *\n * @return {EffectAttribute} The attributes.\n */\n getAttributes() {\n return this.attributes;\n }\n /**\n * Sets the effect attributes.\n *\n * Effects that have the same attributes will be executed in the order in which they were registered. Some attributes\n * imply a higher priority.\n *\n * @protected\n * @param {EffectAttribute} attributes - The attributes.\n */\n setAttributes(attributes) {\n this.attributes = attributes;\n this.setChanged();\n }\n /**\n * Returns the fragment shader.\n *\n * @return {String} The fragment shader.\n */\n getFragmentShader() {\n return this.fragmentShader;\n }\n /**\n * Sets the fragment shader.\n *\n * @protected\n * @param {String} fragmentShader - The fragment shader.\n */\n setFragmentShader(fragmentShader) {\n this.fragmentShader = fragmentShader;\n this.setChanged();\n }\n /**\n * Returns the vertex shader.\n *\n * @return {String} The vertex shader.\n */\n getVertexShader() {\n return this.vertexShader;\n }\n /**\n * Sets the vertex shader.\n *\n * @protected\n * @param {String} vertexShader - The vertex shader.\n */\n setVertexShader(vertexShader) {\n this.vertexShader = vertexShader;\n this.setChanged();\n }\n /**\n * Informs the associated {@link EffectPass} that this effect requires a shader recompilation.\n *\n * Should be called after changing macros or extensions and after adding/removing uniforms.\n *\n * @protected\n */\n setChanged() {\n this.dispatchEvent({ type: \"change\" });\n }\n /**\n * Sets the depth texture.\n *\n * You may override this method if your effect requires direct access to the depth texture that is bound to the\n * associated {@link EffectPass}.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking2) {\n }\n /**\n * Updates this effect by performing supporting operations.\n *\n * This method is called by the {@link EffectPass} right before the main fullscreen render operation, even if the\n * blend function is set to `SKIP`.\n *\n * You may override this method if you need to update custom uniforms or render additional off-screen textures.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n }\n /**\n * Updates the size of this effect.\n *\n * You may override this method if you want to be informed about the size of the backbuffer/canvas.\n * This method is called before {@link initialize} and every time the size of the {@link EffectComposer} changes.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n }\n /**\n * Performs initialization tasks.\n *\n * This method is called when the associated {@link EffectPass} is added to an {@link EffectComposer}.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n * @example if(!alpha && frameBufferType === UnsignedByteType) { this.myRenderTarget.texture.format = RGBFormat; }\n */\n initialize(renderer, alpha, frameBufferType) {\n }\n /**\n * Performs a shallow search for properties that define a dispose method and deletes them.\n *\n * The {@link EffectComposer} calls this method when it is being destroyed.\n */\n dispose() {\n for (const key of Object.keys(this)) {\n const property = this[key];\n const isDisposable = property instanceof WebGLRenderTarget7 || property instanceof Material2 || property instanceof Texture2 || property instanceof Pass;\n if (isDisposable) {\n this[key].dispose();\n }\n }\n }\n};\n\n// src/effects/glsl/bloom.frag\nvar bloom_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nuniform float intensity;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec4 texel=texture2D(map,uv);outputColor=vec4(texel.rgb*intensity,texel.a);}\";\n\n// src/effects/BloomEffect.js\nvar BloomEffect = class extends Effect {\n /**\n * Constructs a new bloom effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SCREEN] - The blend function of this effect.\n * @param {Number} [options.luminanceThreshold=0.9] - The luminance threshold. Raise this value to mask out darker elements in the scene.\n * @param {Number} [options.luminanceSmoothing=0.025] - Controls the smoothness of the luminance threshold.\n * @param {Boolean} [options.mipmapBlur=false] - Enables or disables mipmap blur.\n * @param {Number} [options.intensity=1.0] - The bloom intensity.\n * @param {Number} [options.radius=0.85] - The blur radius. Only applies to mipmap blur.\n * @param {Number} [options.levels=8] - The amount of MIP levels. Only applies to mipmap blur.\n * @param {KernelSize} [options.kernelSize=KernelSize.LARGE] - Deprecated. Use mipmapBlur instead.\n * @param {Number} [options.resolutionScale=0.5] - Deprecated. Use mipmapBlur instead.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - Deprecated. Use mipmapBlur instead.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - Deprecated. Use mipmapBlur instead.\n * @param {Number} [options.width=Resolution.AUTO_SIZE] - Deprecated. Use mipmapBlur instead.\n * @param {Number} [options.height=Resolution.AUTO_SIZE] - Deprecated. Use mipmapBlur instead.\n */\n constructor({\n blendFunction = BlendFunction.SCREEN,\n luminanceThreshold = 0.9,\n luminanceSmoothing = 0.025,\n mipmapBlur = false,\n intensity = 1,\n radius = 0.85,\n levels = 8,\n kernelSize = KernelSize.LARGE,\n resolutionScale = 0.5,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"BloomEffect\", bloom_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"map\", new Uniform7(null)],\n [\"intensity\", new Uniform7(intensity)]\n ])\n });\n this.renderTarget = new WebGLRenderTarget8(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"Bloom.Target\";\n this.blurPass = new KawaseBlurPass({ kernelSize });\n this.luminancePass = new LuminancePass({ colorOutput: true });\n this.luminanceMaterial.threshold = luminanceThreshold;\n this.luminanceMaterial.smoothing = luminanceSmoothing;\n this.mipmapBlurPass = new MipmapBlurPass();\n this.mipmapBlurPass.enabled = mipmapBlur;\n this.mipmapBlurPass.radius = radius;\n this.mipmapBlurPass.levels = levels;\n this.uniforms.get(\"map\").value = mipmapBlur ? this.mipmapBlurPass.texture : this.renderTarget.texture;\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n /**\n * A texture that contains the intermediate result of this effect.\n *\n * @type {Texture}\n */\n get texture() {\n return this.mipmapBlurPass.enabled ? this.mipmapBlurPass.texture : this.renderTarget.texture;\n }\n /**\n * Returns the generated bloom texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.texture;\n }\n /**\n * Returns the resolution settings.\n *\n * @deprecated Use resolution instead.\n * @return {Resolution} The resolution.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * Returns the blur pass.\n *\n * @deprecated\n * @return {KawaseBlurPass} The blur pass.\n */\n getBlurPass() {\n return this.blurPass;\n }\n /**\n * Returns the luminance pass.\n *\n * @deprecated Use luminancePass instead.\n * @return {LuminancePass} The luminance pass.\n */\n getLuminancePass() {\n return this.luminancePass;\n }\n /**\n * The luminance material.\n *\n * @type {LuminanceMaterial}\n */\n get luminanceMaterial() {\n return this.luminancePass.fullscreenMaterial;\n }\n /**\n * Returns the luminance material.\n *\n * @deprecated Use luminanceMaterial instead.\n * @return {LuminanceMaterial} The material.\n */\n getLuminanceMaterial() {\n return this.luminancePass.fullscreenMaterial;\n }\n /**\n * The current width of the internal render targets.\n *\n * @type {Number}\n * @deprecated\n */\n get width() {\n return this.resolution.width;\n }\n set width(value) {\n this.resolution.preferredWidth = value;\n }\n /**\n * The current height of the internal render targets.\n *\n * @type {Number}\n * @deprecated\n */\n get height() {\n return this.resolution.height;\n }\n set height(value) {\n this.resolution.preferredHeight = value;\n }\n /**\n * Indicates whether dithering is enabled.\n *\n * @type {Boolean}\n * @deprecated Use EffectPass.dithering instead.\n */\n get dithering() {\n return this.blurPass.dithering;\n }\n set dithering(value) {\n this.blurPass.dithering = value;\n }\n /**\n * The blur kernel size.\n *\n * @type {KernelSize}\n * @deprecated\n */\n get kernelSize() {\n return this.blurPass.kernelSize;\n }\n set kernelSize(value) {\n this.blurPass.kernelSize = value;\n }\n /**\n * @type {Number}\n * @deprecated\n */\n get distinction() {\n console.warn(this.name, \"distinction was removed\");\n return 1;\n }\n set distinction(value) {\n console.warn(this.name, \"distinction was removed\");\n }\n /**\n * The bloom intensity.\n *\n * @type {Number}\n */\n get intensity() {\n return this.uniforms.get(\"intensity\").value;\n }\n set intensity(value) {\n this.uniforms.get(\"intensity\").value = value;\n }\n /**\n * The bloom intensity.\n *\n * @deprecated Use intensity instead.\n * @return {Number} The intensity.\n */\n getIntensity() {\n return this.intensity;\n }\n /**\n * Sets the bloom intensity.\n *\n * @deprecated Use intensity instead.\n * @param {Number} value - The intensity.\n */\n setIntensity(value) {\n this.intensity = value;\n }\n /**\n * Returns the current resolution scale.\n *\n * @return {Number} The resolution scale.\n * @deprecated\n */\n getResolutionScale() {\n return this.resolution.scale;\n }\n /**\n * Sets the resolution scale.\n *\n * @param {Number} scale - The new resolution scale.\n * @deprecated\n */\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n const renderTarget = this.renderTarget;\n const luminancePass = this.luminancePass;\n if (luminancePass.enabled) {\n luminancePass.render(renderer, inputBuffer);\n if (this.mipmapBlurPass.enabled) {\n this.mipmapBlurPass.render(renderer, luminancePass.renderTarget);\n } else {\n this.blurPass.render(renderer, luminancePass.renderTarget, renderTarget);\n }\n } else {\n if (this.mipmapBlurPass.enabled) {\n this.mipmapBlurPass.render(renderer, inputBuffer);\n } else {\n this.blurPass.render(renderer, inputBuffer, renderTarget);\n }\n }\n }\n /**\n * Updates the size of internal render targets.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n this.blurPass.resolution.copy(resolution);\n this.luminancePass.setSize(width, height);\n this.mipmapBlurPass.setSize(width, height);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n this.blurPass.initialize(renderer, alpha, frameBufferType);\n this.luminancePass.initialize(renderer, alpha, frameBufferType);\n this.mipmapBlurPass.initialize(renderer, alpha, frameBufferType);\n if (frameBufferType !== void 0) {\n this.renderTarget.texture.type = frameBufferType;\n if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace5) {\n this.renderTarget.texture.colorSpace = SRGBColorSpace5;\n }\n }\n }\n};\n\n// src/effects/BokehEffect.js\nimport { Uniform as Uniform8 } from \"three\";\n\n// src/effects/glsl/bokeh.frag\nvar bokeh_default = \"uniform float focus;uniform float dof;uniform float aperture;uniform float maxBlur;void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){vec2 aspectCorrection=vec2(1.0,aspect);\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(depth,cameraNear,cameraFar);float linearDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearDepth=depth;\\n#endif\\nfloat focusNear=clamp(focus-dof,0.0,1.0);float focusFar=clamp(focus+dof,0.0,1.0);float low=step(linearDepth,focusNear);float high=step(focusFar,linearDepth);float factor=(linearDepth-focusNear)*low+(linearDepth-focusFar)*high;vec2 dofBlur=vec2(clamp(factor*aperture,-maxBlur,maxBlur));vec2 dofblur9=dofBlur*0.9;vec2 dofblur7=dofBlur*0.7;vec2 dofblur4=dofBlur*0.4;vec4 color=inputColor;color+=texture2D(inputBuffer,uv+(vec2(0.0,0.4)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.15,0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.29,0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.37,0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.40,0.0)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.37,-0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.29,-0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.15,-0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.0,-0.4)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.15,0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.29,0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.37,0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.4,0.0)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.37,-0.15)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(-0.29,-0.29)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.15,-0.37)*aspectCorrection)*dofBlur);color+=texture2D(inputBuffer,uv+(vec2(0.15,0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.37,0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.37,-0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.15,-0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.15,0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.37,0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(-0.37,-0.15)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.15,-0.37)*aspectCorrection)*dofblur9);color+=texture2D(inputBuffer,uv+(vec2(0.29,0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.40,0.0)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.29,-0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.0,-0.4)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(-0.29,0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(-0.4,0.0)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(-0.29,-0.29)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.0,0.4)*aspectCorrection)*dofblur7);color+=texture2D(inputBuffer,uv+(vec2(0.29,0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.4,0.0)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.29,-0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.0,-0.4)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(-0.29,0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(-0.4,0.0)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(-0.29,-0.29)*aspectCorrection)*dofblur4);color+=texture2D(inputBuffer,uv+(vec2(0.0,0.4)*aspectCorrection)*dofblur4);outputColor=color/41.0;}\";\n\n// src/effects/BokehEffect.js\nvar BokehEffect = class extends Effect {\n /**\n * Constructs a new bokeh effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction] - The blend function of this effect.\n * @param {Number} [options.focus=0.5] - The focus distance ratio, ranging from 0.0 to 1.0.\n * @param {Number} [options.dof=0.02] - Depth of field. An area in front of and behind the focal point that still appears sharp.\n * @param {Number} [options.aperture=0.015] - Camera aperture scale. Bigger values for stronger blur and shallower depth of field.\n * @param {Number} [options.maxBlur=1.0] - The maximum blur strength.\n */\n constructor({\n blendFunction,\n focus = 0.5,\n dof = 0.02,\n aperture = 0.015,\n maxBlur = 1\n } = {}) {\n super(\"BokehEffect\", bokeh_default, {\n blendFunction,\n attributes: EffectAttribute.CONVOLUTION | EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"focus\", new Uniform8(focus)],\n [\"dof\", new Uniform8(dof)],\n [\"aperture\", new Uniform8(aperture)],\n [\"maxBlur\", new Uniform8(maxBlur)]\n ])\n });\n }\n};\n\n// src/effects/BrightnessContrastEffect.js\nimport { SRGBColorSpace as SRGBColorSpace6, Uniform as Uniform9 } from \"three\";\n\n// src/effects/glsl/brightness-contrast.frag\nvar brightness_contrast_default = \"uniform float brightness;uniform float contrast;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=inputColor.rgb+vec3(brightness-0.5);if(contrast>0.0){color/=vec3(1.0-contrast);}else{color*=vec3(1.0+contrast);}outputColor=vec4(color+vec3(0.5),inputColor.a);}\";\n\n// src/effects/BrightnessContrastEffect.js\nvar BrightnessContrastEffect = class extends Effect {\n /**\n * Constructs a new brightness/contrast effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SRC] - The blend function of this effect.\n * @param {Number} [options.brightness=0.0] - The brightness factor, ranging from -1 to 1, where 0 means no change.\n * @param {Number} [options.contrast=0.0] - The contrast factor, ranging from -1 to 1, where 0 means no change.\n */\n constructor({ blendFunction = BlendFunction.SRC, brightness = 0, contrast = 0 } = {}) {\n super(\"BrightnessContrastEffect\", brightness_contrast_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"brightness\", new Uniform9(brightness)],\n [\"contrast\", new Uniform9(contrast)]\n ])\n });\n this.inputColorSpace = SRGBColorSpace6;\n }\n /**\n * The brightness.\n *\n * @type {Number}\n */\n get brightness() {\n return this.uniforms.get(\"brightness\").value;\n }\n set brightness(value) {\n this.uniforms.get(\"brightness\").value = value;\n }\n /**\n * Returns the brightness.\n *\n * @deprecated Use brightness instead.\n * @return {Number} The brightness.\n */\n getBrightness() {\n return this.brightness;\n }\n /**\n * Sets the brightness.\n *\n * @deprecated Use brightness instead.\n * @param {Number} value - The brightness.\n */\n setBrightness(value) {\n this.brightness = value;\n }\n /**\n * The contrast.\n *\n * @type {Number}\n */\n get contrast() {\n return this.uniforms.get(\"contrast\").value;\n }\n set contrast(value) {\n this.uniforms.get(\"contrast\").value = value;\n }\n /**\n * Returns the contrast.\n *\n * @deprecated Use contrast instead.\n * @return {Number} The contrast.\n */\n getContrast() {\n return this.contrast;\n }\n /**\n * Sets the contrast.\n *\n * @deprecated Use contrast instead.\n * @param {Number} value - The contrast.\n */\n setContrast(value) {\n this.contrast = value;\n }\n};\n\n// src/effects/glsl/color-average.frag\nvar color_average_default = \"void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=vec4(vec3(average(inputColor.rgb)),inputColor.a);}\";\n\n// src/effects/ColorAverageEffect.js\nvar ColorAverageEffect = class extends Effect {\n /**\n * Constructs a new color average effect.\n *\n * @param {BlendFunction} [blendFunction] - The blend function of this effect.\n */\n constructor(blendFunction) {\n super(\"ColorAverageEffect\", color_average_default, { blendFunction });\n }\n};\n\n// src/effects/ColorDepthEffect.js\nimport { Uniform as Uniform10 } from \"three\";\n\n// src/effects/glsl/color-depth.frag\nvar color_depth_default = \"uniform float factor;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=vec4(floor(inputColor.rgb*factor+0.5)/factor,inputColor.a);}\";\n\n// src/effects/ColorDepthEffect.js\nvar ColorDepthEffect = class extends Effect {\n /**\n * Constructs a new color depth effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction] - The blend function of this effect.\n * @param {Number} [options.bits=16] - The color bit depth.\n */\n constructor({ blendFunction, bits = 16 } = {}) {\n super(\"ColorDepthEffect\", color_depth_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"factor\", new Uniform10(1)]\n ])\n });\n this.bits = 0;\n this.bitDepth = bits;\n }\n /**\n * The virtual amount of color bits.\n *\n * Each color channel effectively uses a fourth of the total amount of bits. Alpha remains unaffected.\n *\n * @type {Number}\n */\n get bitDepth() {\n return this.bits;\n }\n set bitDepth(value) {\n this.bits = value;\n this.uniforms.get(\"factor\").value = Math.pow(2, value / 3);\n }\n /**\n * Returns the current color bit depth.\n *\n * @return {Number} The bit depth.\n */\n getBitDepth() {\n return this.bitDepth;\n }\n /**\n * Sets the virtual amount of color bits.\n *\n * @param {Number} value - The bit depth.\n */\n setBitDepth(value) {\n this.bitDepth = value;\n }\n};\n\n// src/effects/ChromaticAberrationEffect.js\nimport { Uniform as Uniform11, Vector2 as Vector26 } from \"three\";\n\n// src/effects/glsl/chromatic-aberration.frag\nvar chromatic_aberration_default = \"#ifdef RADIAL_MODULATION\\nuniform float modulationOffset;\\n#endif\\nvarying float vActive;varying vec2 vUvR;varying vec2 vUvB;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec2 ra=inputColor.ra;vec2 ba=inputColor.ba;\\n#ifdef RADIAL_MODULATION\\nconst vec2 center=vec2(0.5);float d=distance(uv,center)*2.0;d=max(d-modulationOffset,0.0);if(vActive>0.0&&d>0.0){ra=texture2D(inputBuffer,mix(uv,vUvR,d)).ra;ba=texture2D(inputBuffer,mix(uv,vUvB,d)).ba;}\\n#else\\nif(vActive>0.0){ra=texture2D(inputBuffer,vUvR).ra;ba=texture2D(inputBuffer,vUvB).ba;}\\n#endif\\noutputColor=vec4(ra.x,inputColor.g,ba.x,max(max(ra.y,ba.y),inputColor.a));}\";\n\n// src/effects/glsl/chromatic-aberration.vert\nvar chromatic_aberration_default2 = \"uniform vec2 offset;varying float vActive;varying vec2 vUvR;varying vec2 vUvB;void mainSupport(const in vec2 uv){vec2 shift=offset*vec2(1.0,aspect);vActive=(shift.x!=0.0||shift.y!=0.0)?1.0:0.0;vUvR=uv+shift;vUvB=uv-shift;}\";\n\n// src/effects/ChromaticAberrationEffect.js\nvar ChromaticAberrationEffect = class extends Effect {\n /**\n * Constructs a new chromatic aberration effect.\n *\n * @param {Object} [options] - The options.\n * @param {Vector2} [options.offset] - The color offset.\n * @param {Boolean} [options.radialModulation=false] - Whether the effect should be modulated with a radial gradient.\n * @param {Number} [options.modulationOffset=0.15] - The modulation offset. Only applies if `radialModulation` is enabled.\n */\n constructor({\n offset = new Vector26(1e-3, 5e-4),\n radialModulation = false,\n modulationOffset = 0.15\n } = {}) {\n super(\"ChromaticAberrationEffect\", chromatic_aberration_default, {\n vertexShader: chromatic_aberration_default2,\n attributes: EffectAttribute.CONVOLUTION,\n uniforms: /* @__PURE__ */ new Map([\n [\"offset\", new Uniform11(offset)],\n [\"modulationOffset\", new Uniform11(modulationOffset)]\n ])\n });\n this.radialModulation = radialModulation;\n }\n /**\n * The color offset.\n *\n * @type {Vector2}\n */\n get offset() {\n return this.uniforms.get(\"offset\").value;\n }\n set offset(value) {\n this.uniforms.get(\"offset\").value = value;\n }\n /**\n * Indicates whether radial modulation is enabled.\n *\n * When enabled, the effect will be weaker in the middle and stronger towards the screen edges.\n *\n * @type {Boolean}\n */\n get radialModulation() {\n return this.defines.has(\"RADIAL_MODULATION\");\n }\n set radialModulation(value) {\n if (value) {\n this.defines.set(\"RADIAL_MODULATION\", \"1\");\n } else {\n this.defines.delete(\"RADIAL_MODULATION\");\n }\n this.setChanged();\n }\n /**\n * The modulation offset.\n *\n * @type {Number}\n */\n get modulationOffset() {\n return this.uniforms.get(\"modulationOffset\").value;\n }\n set modulationOffset(value) {\n this.uniforms.get(\"modulationOffset\").value = value;\n }\n /**\n * Returns the color offset vector.\n *\n * @deprecated Use offset instead.\n * @return {Vector2} The offset.\n */\n getOffset() {\n return this.offset;\n }\n /**\n * Sets the color offset vector.\n *\n * @deprecated Use offset instead.\n * @param {Vector2} value - The offset.\n */\n setOffset(value) {\n this.offset = value;\n }\n};\n\n// src/effects/glsl/depth.frag\nvar depth_default = \"void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){\\n#ifdef INVERTED\\nvec3 color=vec3(1.0-depth);\\n#else\\nvec3 color=vec3(depth);\\n#endif\\noutputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/DepthEffect.js\nvar DepthEffect = class extends Effect {\n /**\n * Constructs a new depth effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SRC] - The blend function of this effect.\n * @param {Boolean} [options.inverted=false] - Whether the depth should be inverted.\n */\n constructor({ blendFunction = BlendFunction.SRC, inverted = false } = {}) {\n super(\"DepthEffect\", depth_default, {\n blendFunction,\n attributes: EffectAttribute.DEPTH\n });\n this.inverted = inverted;\n }\n /**\n * Indicates whether depth should be inverted.\n *\n * @type {Boolean}\n */\n get inverted() {\n return this.defines.has(\"INVERTED\");\n }\n set inverted(value) {\n if (this.inverted !== value) {\n if (value) {\n this.defines.set(\"INVERTED\", \"1\");\n } else {\n this.defines.delete(\"INVERTED\");\n }\n this.setChanged();\n }\n }\n /**\n * Indicates whether the rendered depth is inverted.\n *\n * @deprecated Use inverted instead.\n * @return {Boolean} Whether the rendered depth is inverted.\n */\n isInverted() {\n return this.inverted;\n }\n /**\n * Enables or disables depth inversion.\n *\n * @deprecated Use inverted instead.\n * @param {Boolean} value - Whether depth should be inverted.\n */\n setInverted(value) {\n this.inverted = value;\n }\n};\n\n// src/effects/DepthOfFieldEffect.js\nimport { BasicDepthPacking as BasicDepthPacking4, SRGBColorSpace as SRGBColorSpace7, Uniform as Uniform15, UnsignedByteType as UnsignedByteType8, WebGLRenderTarget as WebGLRenderTarget9 } from \"three\";\n\n// src/enums/ColorChannel.js\nvar ColorChannel = {\n RED: 0,\n GREEN: 1,\n BLUE: 2,\n ALPHA: 3\n};\n\n// src/enums/MaskFunction.js\nvar MaskFunction = {\n DISCARD: 0,\n MULTIPLY: 1,\n MULTIPLY_RGB_SET_ALPHA: 2,\n MULTIPLY_RGB: 3\n};\n\n// src/materials/BokehMaterial.js\nimport { NoBlending as NoBlending6, ShaderMaterial as ShaderMaterial7, Uniform as Uniform12, Vector2 as Vector27 } from \"three\";\n\n// src/materials/glsl/convolution.bokeh.frag\nvar convolution_bokeh_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#if PASS == 1\\nuniform vec4 kernel64[32];\\n#else\\nuniform vec4 kernel16[8];\\n#endif\\nuniform lowp sampler2D cocBuffer;uniform vec2 texelSize;uniform float scale;varying vec2 vUv;void main(){\\n#ifdef FOREGROUND\\nvec2 cocNearFar=texture2D(cocBuffer,vUv).rg*scale;float coc=cocNearFar.x;\\n#else\\nfloat coc=texture2D(cocBuffer,vUv).g*scale;\\n#endif\\nif(coc==0.0){gl_FragColor=texture2D(inputBuffer,vUv);}else{\\n#ifdef FOREGROUND\\nvec2 step=texelSize*max(cocNearFar.x,cocNearFar.y);\\n#else\\nvec2 step=texelSize*coc;\\n#endif\\n#if PASS == 1\\nvec4 acc=vec4(0.0);for(int i=0;i<32;++i){vec4 kernel=kernel64[i];vec2 uv=step*kernel.xy+vUv;acc+=texture2D(inputBuffer,uv);uv=step*kernel.zw+vUv;acc+=texture2D(inputBuffer,uv);}gl_FragColor=acc/64.0;\\n#else\\nvec4 maxValue=texture2D(inputBuffer,vUv);for(int i=0;i<8;++i){vec4 kernel=kernel16[i];vec2 uv=step*kernel.xy+vUv;maxValue=max(texture2D(inputBuffer,uv),maxValue);uv=step*kernel.zw+vUv;maxValue=max(texture2D(inputBuffer,uv),maxValue);}gl_FragColor=maxValue;\\n#endif\\n}}\";\n\n// src/materials/BokehMaterial.js\nvar BokehMaterial = class extends ShaderMaterial7 {\n /**\n * Constructs a new bokeh material.\n *\n * @param {Boolean} [fill=false] - Enables or disables the bokeh highlight fill mode.\n * @param {Boolean} [foreground=false] - Determines whether this material will be applied to foreground colors.\n */\n constructor(fill = false, foreground = false) {\n super({\n name: \"BokehMaterial\",\n defines: {\n PASS: fill ? \"2\" : \"1\"\n },\n uniforms: {\n inputBuffer: new Uniform12(null),\n cocBuffer: new Uniform12(null),\n texelSize: new Uniform12(new Vector27()),\n kernel64: new Uniform12(null),\n kernel16: new Uniform12(null),\n scale: new Uniform12(1)\n },\n blending: NoBlending6,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_bokeh_default,\n vertexShader: common_default\n });\n if (foreground) {\n this.defines.FOREGROUND = \"1\";\n }\n this.generateKernel();\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the input buffer.\n *\n * @deprecated Use inputBuffer instead.\n * @param {Texture} value - The buffer.\n */\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * The circle of confusion buffer.\n *\n * @type {Texture}\n */\n set cocBuffer(value) {\n this.uniforms.cocBuffer.value = value;\n }\n /**\n * Sets the circle of confusion buffer.\n *\n * @deprecated Use cocBuffer instead.\n * @param {Texture} value - The buffer.\n */\n setCoCBuffer(value) {\n this.uniforms.cocBuffer.value = value;\n }\n /**\n * The blur scale.\n *\n * @type {Number}\n */\n get scale() {\n return this.uniforms.scale.value;\n }\n set scale(value) {\n this.uniforms.scale.value = value;\n }\n /**\n * Returns the blur scale.\n *\n * @deprecated Use scale instead.\n * @return {Number} The scale.\n */\n getScale(value) {\n return this.scale;\n }\n /**\n * Sets the blur scale.\n *\n * @deprecated Use scale instead.\n * @param {Number} value - The scale.\n */\n setScale(value) {\n this.scale = value;\n }\n /**\n * Generates the blur kernel.\n *\n * @private\n */\n generateKernel() {\n const GOLDEN_ANGLE = 2.39996323;\n const points64 = new Float64Array(128);\n const points16 = new Float64Array(32);\n let i64 = 0, i16 = 0;\n for (let i = 0, sqrt80 = Math.sqrt(80); i < 80; ++i) {\n const theta = i * GOLDEN_ANGLE;\n const r = Math.sqrt(i) / sqrt80;\n const u = r * Math.cos(theta), v3 = r * Math.sin(theta);\n if (i % 5 === 0) {\n points16[i16++] = u;\n points16[i16++] = v3;\n } else {\n points64[i64++] = u;\n points64[i64++] = v3;\n }\n }\n this.uniforms.kernel64.value = points64;\n this.uniforms.kernel16.value = points16;\n }\n /**\n * Sets the texel size.\n *\n * @deprecated Use setSize() instead.\n * @param {Number} x - The texel width.\n * @param {Number} y - The texel height.\n */\n setTexelSize(x, y) {\n this.uniforms.texelSize.value.set(x, y);\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/CircleOfConfusionMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking3, NoBlending as NoBlending7, PerspectiveCamera, ShaderMaterial as ShaderMaterial8, Uniform as Uniform13 } from \"three\";\n\n// src/utils/orthographicDepthToViewZ.js\nfunction orthographicDepthToViewZ(depth, near, far) {\n return depth * (near - far) - near;\n}\n\n// src/utils/viewZToOrthographicDepth.js\nfunction viewZToOrthographicDepth(viewZ, near, far) {\n return Math.min(Math.max((viewZ + near) / (near - far), 0), 1);\n}\n\n// src/materials/glsl/circle-of-confusion.frag\nvar circle_of_confusion_default = \"#include \\n#include \\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nuniform float focusDistance;uniform float focusRange;uniform float cameraNear;uniform float cameraFar;varying vec2 vUv;float readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nfloat depth=unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nfloat depth=texture2D(depthBuffer,uv).r;\\n#endif\\n#ifdef LOG_DEPTH\\nfloat d=pow(2.0,depth*log2(cameraFar+1.0))-1.0;float a=cameraFar/(cameraFar-cameraNear);float b=cameraFar*cameraNear/(cameraNear-cameraFar);depth=a+b/d;\\n#endif\\nreturn depth;}void main(){float depth=readDepth(vUv);\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(depth,cameraNear,cameraFar);float linearDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearDepth=depth;\\n#endif\\nfloat signedDistance=linearDepth-focusDistance;float magnitude=smoothstep(0.0,focusRange,abs(signedDistance));gl_FragColor.rg=magnitude*vec2(step(signedDistance,0.0),step(0.0,signedDistance));}\";\n\n// src/materials/CircleOfConfusionMaterial.js\nvar CircleOfConfusionMaterial = class extends ShaderMaterial8 {\n /**\n * Constructs a new CoC material.\n *\n * @param {Camera} camera - A camera.\n */\n constructor(camera) {\n super({\n name: \"CircleOfConfusionMaterial\",\n defines: {\n DEPTH_PACKING: \"0\"\n },\n uniforms: {\n depthBuffer: new Uniform13(null),\n focusDistance: new Uniform13(0),\n focusRange: new Uniform13(0),\n cameraNear: new Uniform13(0.3),\n cameraFar: new Uniform13(1e3)\n },\n blending: NoBlending7,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: circle_of_confusion_default,\n vertexShader: common_default\n });\n this.uniforms.focalLength = this.uniforms.focusRange;\n this.copyCameraSettings(camera);\n }\n /**\n * The current near plane setting.\n *\n * @type {Number}\n * @private\n */\n get near() {\n return this.uniforms.cameraNear.value;\n }\n /**\n * The current far plane setting.\n *\n * @type {Number}\n * @private\n */\n get far() {\n return this.uniforms.cameraFar.value;\n }\n /**\n * The depth buffer.\n *\n * @type {Texture}\n */\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n /**\n * The depth packing strategy.\n *\n * @type {DepthPackingStrategies}\n */\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the depth buffer.\n *\n * @deprecated Use depthBuffer and depthPacking instead.\n * @param {Texture} buffer - The depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing strategy.\n */\n setDepthBuffer(buffer, depthPacking = BasicDepthPacking3) {\n this.depthBuffer = buffer;\n this.depthPacking = depthPacking;\n }\n /**\n * The focus distance. Range: [0.0, 1.0].\n *\n * @type {Number}\n */\n get focusDistance() {\n return this.uniforms.focusDistance.value;\n }\n set focusDistance(value) {\n this.uniforms.focusDistance.value = value;\n }\n /**\n * The focus distance in world units.\n *\n * @type {Number}\n */\n get worldFocusDistance() {\n return -orthographicDepthToViewZ(this.focusDistance, this.near, this.far);\n }\n set worldFocusDistance(value) {\n this.focusDistance = viewZToOrthographicDepth(-value, this.near, this.far);\n }\n /**\n * Returns the focus distance.\n *\n * @deprecated Use focusDistance instead.\n * @return {Number} The focus distance.\n */\n getFocusDistance(value) {\n this.uniforms.focusDistance.value = value;\n }\n /**\n * Sets the focus distance.\n *\n * @deprecated Use focusDistance instead.\n * @param {Number} value - The focus distance.\n */\n setFocusDistance(value) {\n this.uniforms.focusDistance.value = value;\n }\n /**\n * The focal length.\n *\n * @deprecated Renamed to focusRange.\n * @type {Number}\n */\n get focalLength() {\n return this.focusRange;\n }\n set focalLength(value) {\n this.focusRange = value;\n }\n /**\n * The focus range. Range: [0.0, 1.0].\n *\n * @type {Number}\n */\n get focusRange() {\n return this.uniforms.focusRange.value;\n }\n set focusRange(value) {\n this.uniforms.focusRange.value = value;\n }\n /**\n * The focus range in world units.\n *\n * @type {Number}\n */\n get worldFocusRange() {\n return -orthographicDepthToViewZ(this.focusRange, this.near, this.far);\n }\n set worldFocusRange(value) {\n this.focusRange = viewZToOrthographicDepth(-value, this.near, this.far);\n }\n /**\n * Returns the focal length.\n *\n * @deprecated Use focusRange instead.\n * @return {Number} The focal length.\n */\n getFocalLength(value) {\n return this.focusRange;\n }\n /**\n * Sets the focal length.\n *\n * @deprecated Use focusRange instead.\n * @param {Number} value - The focal length.\n */\n setFocalLength(value) {\n this.focusRange = value;\n }\n /**\n * Copies the settings of the given camera.\n *\n * @deprecated Use copyCameraSettings instead.\n * @param {Camera} camera - A camera.\n */\n adoptCameraSettings(camera) {\n this.copyCameraSettings(camera);\n }\n /**\n * Copies the settings of the given camera.\n *\n * @param {Camera} camera - A camera.\n */\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNear.value = camera.near;\n this.uniforms.cameraFar.value = camera.far;\n if (camera instanceof PerspectiveCamera) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n};\n\n// src/materials/MaskMaterial.js\nimport { NoBlending as NoBlending8, ShaderMaterial as ShaderMaterial9, Uniform as Uniform14, UnsignedByteType as UnsignedByteType6 } from \"three\";\n\n// src/materials/glsl/mask.frag\nvar mask_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#ifdef MASK_PRECISION_HIGH\\nuniform mediump sampler2D maskTexture;\\n#else\\nuniform lowp sampler2D maskTexture;\\n#endif\\n#if MASK_FUNCTION != 0\\nuniform float strength;\\n#endif\\nvarying vec2 vUv;void main(){\\n#if COLOR_CHANNEL == 0\\nfloat mask=texture2D(maskTexture,vUv).r;\\n#elif COLOR_CHANNEL == 1\\nfloat mask=texture2D(maskTexture,vUv).g;\\n#elif COLOR_CHANNEL == 2\\nfloat mask=texture2D(maskTexture,vUv).b;\\n#else\\nfloat mask=texture2D(maskTexture,vUv).a;\\n#endif\\n#if MASK_FUNCTION == 0\\n#ifdef INVERTED\\nmask=step(mask,0.0);\\n#else\\nmask=1.0-step(mask,0.0);\\n#endif\\n#else\\nmask=clamp(mask*strength,0.0,1.0);\\n#ifdef INVERTED\\nmask=1.0-mask;\\n#endif\\n#endif\\n#if MASK_FUNCTION == 3\\nvec4 texel=texture2D(inputBuffer,vUv);gl_FragColor=vec4(mask*texel.rgb,texel.a);\\n#elif MASK_FUNCTION == 2\\ngl_FragColor=vec4(mask*texture2D(inputBuffer,vUv).rgb,mask);\\n#else\\ngl_FragColor=mask*texture2D(inputBuffer,vUv);\\n#endif\\n}\";\n\n// src/materials/MaskMaterial.js\nvar MaskMaterial = class extends ShaderMaterial9 {\n /**\n * Constructs a new mask material.\n *\n * @param {Texture} [maskTexture] - The mask texture.\n */\n constructor(maskTexture = null) {\n super({\n name: \"MaskMaterial\",\n uniforms: {\n maskTexture: new Uniform14(maskTexture),\n inputBuffer: new Uniform14(null),\n strength: new Uniform14(1)\n },\n blending: NoBlending8,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: mask_default,\n vertexShader: common_default\n });\n this.colorChannel = ColorChannel.RED;\n this.maskFunction = MaskFunction.DISCARD;\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the input buffer.\n *\n * @deprecated Use inputBuffer instead.\n * @param {Texture} value - The input buffer.\n */\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * The mask texture.\n *\n * @type {Texture}\n */\n set maskTexture(value) {\n this.uniforms.maskTexture.value = value;\n delete this.defines.MASK_PRECISION_HIGH;\n if (value.type !== UnsignedByteType6) {\n this.defines.MASK_PRECISION_HIGH = \"1\";\n }\n this.needsUpdate = true;\n }\n /**\n * Sets the mask texture.\n *\n * @deprecated Use maskTexture instead.\n * @param {Texture} value - The texture.\n */\n setMaskTexture(value) {\n this.maskTexture = value;\n }\n /**\n * Sets the color channel to use for masking. Default is `ColorChannel.RED`.\n *\n * @type {ColorChannel}\n */\n set colorChannel(value) {\n this.defines.COLOR_CHANNEL = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the color channel to use for masking. Default is `ColorChannel.RED`.\n *\n * @deprecated Use colorChannel instead.\n * @param {ColorChannel} value - The channel.\n */\n setColorChannel(value) {\n this.colorChannel = value;\n }\n /**\n * The masking technique. Default is `MaskFunction.DISCARD`.\n *\n * @type {MaskFunction}\n */\n set maskFunction(value) {\n this.defines.MASK_FUNCTION = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the masking technique. Default is `MaskFunction.DISCARD`.\n *\n * @deprecated Use maskFunction instead.\n * @param {MaskFunction} value - The function.\n */\n setMaskFunction(value) {\n this.maskFunction = value;\n }\n /**\n * Indicates whether the masking is inverted.\n *\n * @type {Boolean}\n */\n get inverted() {\n return this.defines.INVERTED !== void 0;\n }\n set inverted(value) {\n if (this.inverted && !value) {\n delete this.defines.INVERTED;\n } else if (value) {\n this.defines.INVERTED = \"1\";\n }\n this.needsUpdate = true;\n }\n /**\n * Indicates whether the masking is inverted.\n *\n * @deprecated Use inverted instead.\n * @return {Boolean} Whether the masking is inverted.\n */\n isInverted() {\n return this.inverted;\n }\n /**\n * Determines whether the masking should be inverted.\n *\n * @deprecated Use inverted instead.\n * @param {Boolean} value - Whether the masking should be inverted.\n */\n setInverted(value) {\n this.inverted = value;\n }\n /**\n * The current mask strength.\n *\n * Individual mask values will be clamped to [0.0, 1.0]. Has no effect when the mask function is set to `DISCARD`.\n *\n * @type {Number}\n */\n get strength() {\n return this.uniforms.strength.value;\n }\n set strength(value) {\n this.uniforms.strength.value = value;\n }\n /**\n * Returns the current mask strength.\n *\n * @deprecated Use strength instead.\n * @return {Number} The mask strength.\n */\n getStrength() {\n return this.strength;\n }\n /**\n * Sets the mask strength.\n *\n * Has no effect when the mask function is set to `DISCARD`.\n *\n * @deprecated Use strength instead.\n * @param {Number} value - The mask strength.\n */\n setStrength(value) {\n this.strength = value;\n }\n};\n\n// src/passes/ShaderPass.js\nimport { UnsignedByteType as UnsignedByteType7 } from \"three\";\nvar ShaderPass = class extends Pass {\n /**\n * Constructs a new shader pass.\n *\n * @param {ShaderMaterial} material - A shader material.\n * @param {String} [input=\"inputBuffer\"] - The name of the input buffer uniform.\n */\n constructor(material, input = \"inputBuffer\") {\n super(\"ShaderPass\");\n this.fullscreenMaterial = material;\n this.input = input;\n }\n /**\n * Sets the name of the input buffer uniform.\n *\n * @param {String} input - The name of the input buffer uniform.\n * @deprecated Use input instead.\n */\n setInput(input) {\n this.input = input;\n }\n /**\n * Renders the effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const uniforms = this.fullscreenMaterial.uniforms;\n if (inputBuffer !== null && uniforms !== void 0 && uniforms[this.input] !== void 0) {\n uniforms[this.input].value = inputBuffer.texture;\n }\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(this.scene, this.camera);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - A renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0 && frameBufferType !== UnsignedByteType7) {\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n }\n }\n};\n\n// src/effects/glsl/depth-of-field.frag\nvar depth_of_field_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D nearColorBuffer;uniform mediump sampler2D farColorBuffer;\\n#else\\nuniform lowp sampler2D nearColorBuffer;uniform lowp sampler2D farColorBuffer;\\n#endif\\nuniform lowp sampler2D nearCoCBuffer;uniform lowp sampler2D farCoCBuffer;uniform float scale;void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){vec4 colorNear=texture2D(nearColorBuffer,uv);vec4 colorFar=texture2D(farColorBuffer,uv);\\n#if MASK_FUNCTION == 1\\nvec2 cocNearFar=vec2(texture2D(nearCoCBuffer,uv).r,colorFar.a);cocNearFar.x=min(cocNearFar.x*scale,1.0);\\n#else\\nvec2 cocNearFar=vec2(texture2D(nearCoCBuffer,uv).r,texture2D(farCoCBuffer,uv).g);cocNearFar=min(cocNearFar*scale,1.0);\\n#endif\\nvec4 result=inputColor*(1.0-cocNearFar.y)+colorFar;result=mix(result,colorNear,cocNearFar.x);outputColor=result;}\";\n\n// src/effects/DepthOfFieldEffect.js\nvar DepthOfFieldEffect = class extends Effect {\n /**\n * Constructs a new depth of field effect.\n *\n * @param {Camera} camera - The main camera.\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction] - The blend function of this effect.\n * @param {Number} [options.worldFocusDistance] - The focus distance in world units.\n * @param {Number} [options.worldFocusRange] - The focus distance in world units.\n * @param {Number} [options.focusDistance=0.0] - The normalized focus distance. Range is [0.0, 1.0].\n * @param {Number} [options.focusRange=0.1] - The focus range. Range is [0.0, 1.0].\n * @param {Number} [options.focalLength=0.1] - Deprecated.\n * @param {Number} [options.bokehScale=1.0] - The scale of the bokeh blur.\n * @param {Number} [options.resolutionScale=0.5] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n * @param {Number} [options.width=Resolution.AUTO_SIZE] - Deprecated. Use resolutionX instead.\n * @param {Number} [options.height=Resolution.AUTO_SIZE] - Deprecated. Use resolutionY instead.\n */\n constructor(camera, {\n blendFunction,\n worldFocusDistance,\n worldFocusRange,\n focusDistance = 0,\n focalLength = 0.1,\n focusRange = focalLength,\n bokehScale = 1,\n resolutionScale = 1,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"DepthOfFieldEffect\", depth_of_field_default, {\n blendFunction,\n attributes: EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"nearColorBuffer\", new Uniform15(null)],\n [\"farColorBuffer\", new Uniform15(null)],\n [\"nearCoCBuffer\", new Uniform15(null)],\n [\"farCoCBuffer\", new Uniform15(null)],\n [\"scale\", new Uniform15(1)]\n ])\n });\n this.camera = camera;\n this.renderTarget = new WebGLRenderTarget9(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"DoF.Intermediate\";\n this.renderTargetMasked = this.renderTarget.clone();\n this.renderTargetMasked.texture.name = \"DoF.Masked.Far\";\n this.renderTargetNear = this.renderTarget.clone();\n this.renderTargetNear.texture.name = \"DoF.Bokeh.Near\";\n this.uniforms.get(\"nearColorBuffer\").value = this.renderTargetNear.texture;\n this.renderTargetFar = this.renderTarget.clone();\n this.renderTargetFar.texture.name = \"DoF.Bokeh.Far\";\n this.uniforms.get(\"farColorBuffer\").value = this.renderTargetFar.texture;\n this.renderTargetCoC = this.renderTarget.clone();\n this.renderTargetCoC.texture.name = \"DoF.CoC\";\n this.uniforms.get(\"farCoCBuffer\").value = this.renderTargetCoC.texture;\n this.renderTargetCoCBlurred = this.renderTargetCoC.clone();\n this.renderTargetCoCBlurred.texture.name = \"DoF.CoC.Blurred\";\n this.uniforms.get(\"nearCoCBuffer\").value = this.renderTargetCoCBlurred.texture;\n this.cocPass = new ShaderPass(new CircleOfConfusionMaterial(camera));\n const cocMaterial = this.cocMaterial;\n cocMaterial.focusDistance = focusDistance;\n cocMaterial.focusRange = focusRange;\n if (worldFocusDistance !== void 0) {\n cocMaterial.worldFocusDistance = worldFocusDistance;\n }\n if (worldFocusRange !== void 0) {\n cocMaterial.worldFocusRange = worldFocusRange;\n }\n this.blurPass = new KawaseBlurPass({ resolutionScale, resolutionX, resolutionY, kernelSize: KernelSize.MEDIUM });\n this.maskPass = new ShaderPass(new MaskMaterial(this.renderTargetCoC.texture));\n const maskMaterial = this.maskPass.fullscreenMaterial;\n maskMaterial.colorChannel = ColorChannel.GREEN;\n this.maskFunction = MaskFunction.MULTIPLY_RGB;\n this.bokehNearBasePass = new ShaderPass(new BokehMaterial(false, true));\n this.bokehNearBasePass.fullscreenMaterial.cocBuffer = this.renderTargetCoCBlurred.texture;\n this.bokehNearFillPass = new ShaderPass(new BokehMaterial(true, true));\n this.bokehNearFillPass.fullscreenMaterial.cocBuffer = this.renderTargetCoCBlurred.texture;\n this.bokehFarBasePass = new ShaderPass(new BokehMaterial(false, false));\n this.bokehFarBasePass.fullscreenMaterial.cocBuffer = this.renderTargetCoC.texture;\n this.bokehFarFillPass = new ShaderPass(new BokehMaterial(true, false));\n this.bokehFarFillPass.fullscreenMaterial.cocBuffer = this.renderTargetCoC.texture;\n this.target = null;\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.bokehScale = bokehScale;\n }\n set mainCamera(value) {\n this.camera = value;\n this.cocMaterial.copyCameraSettings(value);\n }\n /**\n * The circle of confusion texture.\n *\n * @type {Texture}\n */\n get cocTexture() {\n return this.renderTargetCoC.texture;\n }\n /**\n * The mask function. Default is `MULTIPLY_RGB`.\n *\n * @type {MaskFunction}\n */\n get maskFunction() {\n return this.maskPass.fullscreenMaterial.maskFunction;\n }\n set maskFunction(value) {\n if (this.maskFunction !== value) {\n this.defines.set(\"MASK_FUNCTION\", value.toFixed(0));\n this.maskPass.fullscreenMaterial.maskFunction = value;\n this.setChanged();\n }\n }\n /**\n * The circle of confusion material.\n *\n * @type {CircleOfConfusionMaterial}\n */\n get cocMaterial() {\n return this.cocPass.fullscreenMaterial;\n }\n /**\n * The circle of confusion material.\n *\n * @deprecated Use cocMaterial instead.\n * @type {CircleOfConfusionMaterial}\n */\n get circleOfConfusionMaterial() {\n return this.cocMaterial;\n }\n /**\n * Returns the circle of confusion material.\n *\n * @deprecated Use cocMaterial instead.\n * @return {CircleOfConfusionMaterial} The material.\n */\n getCircleOfConfusionMaterial() {\n return this.cocMaterial;\n }\n /**\n * Returns the pass that blurs the foreground CoC buffer to soften edges.\n *\n * @deprecated Use blurPass instead.\n * @return {KawaseBlurPass} The blur pass.\n */\n getBlurPass() {\n return this.blurPass;\n }\n /**\n * Returns the resolution settings.\n *\n * @deprecated Use resolution instead.\n * @return {Resolution} The resolution.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * The current bokeh scale.\n *\n * @type {Number}\n */\n get bokehScale() {\n return this.uniforms.get(\"scale\").value;\n }\n set bokehScale(value) {\n this.bokehNearBasePass.fullscreenMaterial.scale = value;\n this.bokehNearFillPass.fullscreenMaterial.scale = value;\n this.bokehFarBasePass.fullscreenMaterial.scale = value;\n this.bokehFarFillPass.fullscreenMaterial.scale = value;\n this.maskPass.fullscreenMaterial.strength = value;\n this.uniforms.get(\"scale\").value = value;\n }\n /**\n * Returns the current bokeh scale.\n *\n * @deprecated Use bokehScale instead.\n * @return {Number} The scale.\n */\n getBokehScale() {\n return this.bokehScale;\n }\n /**\n * Sets the bokeh scale.\n *\n * @deprecated Use bokehScale instead.\n * @param {Number} value - The scale.\n */\n setBokehScale(value) {\n this.bokehScale = value;\n }\n /**\n * Returns the current auto focus target.\n *\n * @deprecated Use target instead.\n * @return {Vector3} The target.\n */\n getTarget() {\n return this.target;\n }\n /**\n * Sets the auto focus target.\n *\n * @deprecated Use target instead.\n * @param {Vector3} value - The target.\n */\n setTarget(value) {\n this.target = value;\n }\n /**\n * Calculates the focus distance from the camera to the given position.\n *\n * @param {Vector3} target - The target.\n * @return {Number} The normalized focus distance.\n */\n calculateFocusDistance(target) {\n const camera = this.camera;\n const distance = camera.position.distanceTo(target);\n return viewZToOrthographicDepth(-distance, camera.near, camera.far);\n }\n /**\n * Sets the depth texture.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking4) {\n this.cocMaterial.depthBuffer = depthTexture;\n this.cocMaterial.depthPacking = depthPacking;\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n const renderTarget = this.renderTarget;\n const renderTargetCoC = this.renderTargetCoC;\n const renderTargetCoCBlurred = this.renderTargetCoCBlurred;\n const renderTargetMasked = this.renderTargetMasked;\n if (this.target !== null) {\n const distance = this.calculateFocusDistance(this.target);\n this.cocMaterial.focusDistance = distance;\n }\n this.cocPass.render(renderer, null, renderTargetCoC);\n this.blurPass.render(renderer, renderTargetCoC, renderTargetCoCBlurred);\n this.maskPass.render(renderer, inputBuffer, renderTargetMasked);\n this.bokehFarBasePass.render(renderer, renderTargetMasked, renderTarget);\n this.bokehFarFillPass.render(renderer, renderTarget, this.renderTargetFar);\n this.bokehNearBasePass.render(renderer, inputBuffer, renderTarget);\n this.bokehNearFillPass.render(renderer, renderTarget, this.renderTargetNear);\n }\n /**\n * Updates the size of internal render targets.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.cocPass.setSize(width, height);\n this.blurPass.setSize(width, height);\n this.maskPass.setSize(width, height);\n this.renderTargetFar.setSize(width, height);\n this.renderTargetCoC.setSize(width, height);\n this.renderTargetMasked.setSize(width, height);\n this.renderTarget.setSize(w, h);\n this.renderTargetNear.setSize(w, h);\n this.renderTargetCoCBlurred.setSize(w, h);\n this.bokehNearBasePass.fullscreenMaterial.setSize(width, height);\n this.bokehNearFillPass.fullscreenMaterial.setSize(width, height);\n this.bokehFarBasePass.fullscreenMaterial.setSize(width, height);\n this.bokehFarFillPass.fullscreenMaterial.setSize(width, height);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n this.cocPass.initialize(renderer, alpha, frameBufferType);\n this.maskPass.initialize(renderer, alpha, frameBufferType);\n this.bokehNearBasePass.initialize(renderer, alpha, frameBufferType);\n this.bokehNearFillPass.initialize(renderer, alpha, frameBufferType);\n this.bokehFarBasePass.initialize(renderer, alpha, frameBufferType);\n this.bokehFarFillPass.initialize(renderer, alpha, frameBufferType);\n this.blurPass.initialize(renderer, alpha, UnsignedByteType8);\n if (renderer.capabilities.logarithmicDepthBuffer) {\n this.cocPass.fullscreenMaterial.defines.LOG_DEPTH = \"1\";\n }\n if (frameBufferType !== void 0) {\n this.renderTarget.texture.type = frameBufferType;\n this.renderTargetNear.texture.type = frameBufferType;\n this.renderTargetFar.texture.type = frameBufferType;\n this.renderTargetMasked.texture.type = frameBufferType;\n if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace7) {\n this.renderTarget.texture.colorSpace = SRGBColorSpace7;\n this.renderTargetNear.texture.colorSpace = SRGBColorSpace7;\n this.renderTargetFar.texture.colorSpace = SRGBColorSpace7;\n this.renderTargetMasked.texture.colorSpace = SRGBColorSpace7;\n }\n }\n }\n};\n\n// src/effects/DotScreenEffect.js\nimport { Uniform as Uniform16, Vector2 as Vector28 } from \"three\";\n\n// src/effects/glsl/dot-screen.frag\nvar dot_screen_default = \"uniform vec2 angle;uniform float scale;float pattern(const in vec2 uv){vec2 point=scale*vec2(dot(angle.yx,vec2(uv.x,-uv.y)),dot(angle,uv));return(sin(point.x)*sin(point.y))*4.0;}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=vec3(inputColor.rgb*10.0-5.0+pattern(uv*resolution));outputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/DotScreenEffect.js\nvar DotScreenEffect = class extends Effect {\n /**\n * Constructs a new dot screen effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction] - The blend function of this effect.\n * @param {Number} [options.angle=1.57] - The angle of the dot pattern.\n * @param {Number} [options.scale=1.0] - The scale of the dot pattern.\n */\n constructor({ blendFunction, angle = Math.PI * 0.5, scale = 1 } = {}) {\n super(\"DotScreenEffect\", dot_screen_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"angle\", new Uniform16(new Vector28())],\n [\"scale\", new Uniform16(scale)]\n ])\n });\n this.angle = angle;\n }\n /**\n * The angle.\n *\n * @type {Number}\n */\n get angle() {\n return Math.acos(this.uniforms.get(\"angle\").value.y);\n }\n set angle(value) {\n this.uniforms.get(\"angle\").value.set(Math.sin(value), Math.cos(value));\n }\n /**\n * Returns the pattern angle.\n *\n * @deprecated Use angle instead.\n * @return {Number} The angle in radians.\n */\n getAngle() {\n return this.angle;\n }\n /**\n * Sets the pattern angle.\n *\n * @deprecated Use angle instead.\n * @param {Number} value - The angle in radians.\n */\n setAngle(value) {\n this.angle = value;\n }\n /**\n * The scale.\n *\n * @type {Number}\n */\n get scale() {\n return this.uniforms.get(\"scale\").value;\n }\n set scale(value) {\n this.uniforms.get(\"scale\").value = value;\n }\n};\n\n// src/effects/glsl/fxaa.frag\nvar fxaa_default = \"#define QUALITY(q) ((q) < 5 ? 1.0 : ((q) > 5 ? ((q) < 10 ? 2.0 : ((q) < 11 ? 4.0 : 8.0)) : 1.5))\\n#define ONE_OVER_TWELVE 0.08333333333333333\\nvarying vec2 vUvDown;varying vec2 vUvUp;varying vec2 vUvLeft;varying vec2 vUvRight;varying vec2 vUvDownLeft;varying vec2 vUvUpRight;varying vec2 vUvUpLeft;varying vec2 vUvDownRight;vec4 fxaa(const in vec4 inputColor,const in vec2 uv){float lumaCenter=luminance(inputColor.rgb);float lumaDown=luminance(texture2D(inputBuffer,vUvDown).rgb);float lumaUp=luminance(texture2D(inputBuffer,vUvUp).rgb);float lumaLeft=luminance(texture2D(inputBuffer,vUvLeft).rgb);float lumaRight=luminance(texture2D(inputBuffer,vUvRight).rgb);float lumaMin=min(lumaCenter,min(min(lumaDown,lumaUp),min(lumaLeft,lumaRight)));float lumaMax=max(lumaCenter,max(max(lumaDown,lumaUp),max(lumaLeft,lumaRight)));float lumaRange=lumaMax-lumaMin;if(lumaRange=edgeVertical);float stepLength=isHorizontal?texelSize.y:texelSize.x;float luma1=isHorizontal?lumaDown:lumaLeft;float luma2=isHorizontal?lumaUp:lumaRight;float gradient1=abs(luma1-lumaCenter);float gradient2=abs(luma2-lumaCenter);bool is1Steepest=gradient1>=gradient2;float gradientScaled=0.25*max(gradient1,gradient2);float lumaLocalAverage=0.0;if(is1Steepest){stepLength=-stepLength;lumaLocalAverage=0.5*(luma1+lumaCenter);}else{lumaLocalAverage=0.5*(luma2+lumaCenter);}vec2 currentUv=uv;if(isHorizontal){currentUv.y+=stepLength*0.5;}else{currentUv.x+=stepLength*0.5;}vec2 offset=isHorizontal?vec2(texelSize.x,0.0):vec2(0.0,texelSize.y);vec2 uv1=currentUv-offset*QUALITY(0);vec2 uv2=currentUv+offset*QUALITY(0);float lumaEnd1=luminance(texture2D(inputBuffer,uv1).rgb);float lumaEnd2=luminance(texture2D(inputBuffer,uv2).rgb);lumaEnd1-=lumaLocalAverage;lumaEnd2-=lumaLocalAverage;bool reached1=abs(lumaEnd1)>=gradientScaled;bool reached2=abs(lumaEnd2)>=gradientScaled;bool reachedBoth=reached1&&reached2;if(!reached1){uv1-=offset*QUALITY(1);}if(!reached2){uv2+=offset*QUALITY(1);}if(!reachedBoth){for(int i=2;i=gradientScaled;reached2=abs(lumaEnd2)>=gradientScaled;reachedBoth=reached1&&reached2;if(!reached1){uv1-=offset*QUALITY(i);}if(!reached2){uv2+=offset*QUALITY(i);}if(reachedBoth){break;}}}float distance1=isHorizontal?(uv.x-uv1.x):(uv.y-uv1.y);float distance2=isHorizontal?(uv2.x-uv.x):(uv2.y-uv.y);bool isDirection1=distance1distortion.x-columns*random){float sx=clamp(ceil(seeds.x),0.0,1.0);uv.y=sx*(1.0-(uv.y+distortion.y))+(1.0-sx)*distortion.y;}if(uv.xdistortion.y-columns*random){float sy=clamp(ceil(seeds.y),0.0,1.0);uv.x=sy*distortion.x+(1.0-sy)*(1.0-(uv.x+distortion.x));}vec2 normal=texture2D(perturbationMap,uv*random*random).rg;uv+=normal*seeds*(random*0.2);}}\";\n\n// src/effects/GlitchEffect.js\nvar textureTag = \"Glitch.Generated\";\nfunction randomFloat(low, high) {\n return low + Math.random() * (high - low);\n}\nvar GlitchEffect = class extends Effect {\n /**\n * Constructs a new glitch effect.\n *\n * TODO Change ratio to 0.15.\n * @param {Object} [options] - The options.\n * @param {Vector2} [options.chromaticAberrationOffset] - A chromatic aberration offset. If provided, the glitch effect will influence this offset.\n * @param {Vector2} [options.delay] - The minimum and maximum delay between glitch activations in seconds.\n * @param {Vector2} [options.duration] - The minimum and maximum duration of a glitch in seconds.\n * @param {Vector2} [options.strength] - The strength of weak and strong glitches.\n * @param {Texture} [options.perturbationMap] - A perturbation map. If none is provided, a noise texture will be created.\n * @param {Number} [options.dtSize=64] - The size of the generated noise map. Will be ignored if a perturbation map is provided.\n * @param {Number} [options.columns=0.05] - The scale of the blocky glitch columns.\n * @param {Number} [options.ratio=0.85] - The threshold for strong glitches.\n */\n constructor({\n chromaticAberrationOffset = null,\n delay = new Vector29(1.5, 3.5),\n duration = new Vector29(0.6, 1),\n strength = new Vector29(0.3, 1),\n columns = 0.05,\n ratio = 0.85,\n perturbationMap = null,\n dtSize = 64\n } = {}) {\n super(\"GlitchEffect\", glitch_default, {\n uniforms: /* @__PURE__ */ new Map([\n [\"perturbationMap\", new Uniform18(null)],\n [\"columns\", new Uniform18(columns)],\n [\"active\", new Uniform18(false)],\n [\"random\", new Uniform18(1)],\n [\"seeds\", new Uniform18(new Vector29())],\n [\"distortion\", new Uniform18(new Vector29())]\n ])\n });\n if (perturbationMap === null) {\n const map = new NoiseTexture(dtSize, dtSize, RGBAFormat2);\n map.name = textureTag;\n this.perturbationMap = map;\n } else {\n this.perturbationMap = perturbationMap;\n }\n this.time = 0;\n this.distortion = this.uniforms.get(\"distortion\").value;\n this.delay = delay;\n this.duration = duration;\n this.breakPoint = new Vector29(\n randomFloat(this.delay.x, this.delay.y),\n randomFloat(this.duration.x, this.duration.y)\n );\n this.strength = strength;\n this.mode = GlitchMode.SPORADIC;\n this.ratio = ratio;\n this.chromaticAberrationOffset = chromaticAberrationOffset;\n }\n /**\n * Random number seeds.\n *\n * @type {Vector2}\n * @private\n */\n get seeds() {\n return this.uniforms.get(\"seeds\").value;\n }\n /**\n * Indicates whether the glitch effect is currently active.\n *\n * @type {Boolean}\n */\n get active() {\n return this.uniforms.get(\"active\").value;\n }\n /**\n * Indicates whether the glitch effect is currently active.\n *\n * @deprecated Use active instead.\n * @return {Boolean} Whether the glitch effect is active.\n */\n isActive() {\n return this.active;\n }\n /**\n * The minimum delay between glitch activations.\n *\n * @type {Number}\n */\n get minDelay() {\n return this.delay.x;\n }\n set minDelay(value) {\n this.delay.x = value;\n }\n /**\n * Returns the minimum delay between glitch activations.\n *\n * @deprecated Use minDelay instead.\n * @return {Number} The minimum delay in seconds.\n */\n getMinDelay() {\n return this.delay.x;\n }\n /**\n * Sets the minimum delay between glitch activations.\n *\n * @deprecated Use minDelay instead.\n * @param {Number} value - The minimum delay in seconds.\n */\n setMinDelay(value) {\n this.delay.x = value;\n }\n /**\n * The maximum delay between glitch activations.\n *\n * @type {Number}\n */\n get maxDelay() {\n return this.delay.y;\n }\n set maxDelay(value) {\n this.delay.y = value;\n }\n /**\n * Returns the maximum delay between glitch activations.\n *\n * @deprecated Use maxDelay instead.\n * @return {Number} The maximum delay in seconds.\n */\n getMaxDelay() {\n return this.delay.y;\n }\n /**\n * Sets the maximum delay between glitch activations.\n *\n * @deprecated Use maxDelay instead.\n * @param {Number} value - The maximum delay in seconds.\n */\n setMaxDelay(value) {\n this.delay.y = value;\n }\n /**\n * The minimum duration of sporadic glitches.\n *\n * @type {Number}\n */\n get minDuration() {\n return this.duration.x;\n }\n set minDuration(value) {\n this.duration.x = value;\n }\n /**\n * Returns the minimum duration of sporadic glitches.\n *\n * @deprecated Use minDuration instead.\n * @return {Number} The minimum duration in seconds.\n */\n getMinDuration() {\n return this.duration.x;\n }\n /**\n * Sets the minimum duration of sporadic glitches.\n *\n * @deprecated Use minDuration instead.\n * @param {Number} value - The minimum duration in seconds.\n */\n setMinDuration(value) {\n this.duration.x = value;\n }\n /**\n * The maximum duration of sporadic glitches.\n *\n * @type {Number}\n */\n get maxDuration() {\n return this.duration.y;\n }\n set maxDuration(value) {\n this.duration.y = value;\n }\n /**\n * Returns the maximum duration of sporadic glitches.\n *\n * @deprecated Use maxDuration instead.\n * @return {Number} The maximum duration in seconds.\n */\n getMaxDuration() {\n return this.duration.y;\n }\n /**\n * Sets the maximum duration of sporadic glitches.\n *\n * @deprecated Use maxDuration instead.\n * @param {Number} value - The maximum duration in seconds.\n */\n setMaxDuration(value) {\n this.duration.y = value;\n }\n /**\n * The strength of weak glitches.\n *\n * @type {Number}\n */\n get minStrength() {\n return this.strength.x;\n }\n set minStrength(value) {\n this.strength.x = value;\n }\n /**\n * Returns the strength of weak glitches.\n *\n * @deprecated Use minStrength instead.\n * @return {Number} The strength.\n */\n getMinStrength() {\n return this.strength.x;\n }\n /**\n * Sets the strength of weak glitches.\n *\n * @deprecated Use minStrength instead.\n * @param {Number} value - The strength.\n */\n setMinStrength(value) {\n this.strength.x = value;\n }\n /**\n * The strength of strong glitches.\n *\n * @type {Number}\n */\n get maxStrength() {\n return this.strength.y;\n }\n set maxStrength(value) {\n this.strength.y = value;\n }\n /**\n * Returns the strength of strong glitches.\n *\n * @deprecated Use maxStrength instead.\n * @return {Number} The strength.\n */\n getMaxStrength() {\n return this.strength.y;\n }\n /**\n * Sets the strength of strong glitches.\n *\n * @deprecated Use maxStrength instead.\n * @param {Number} value - The strength.\n */\n setMaxStrength(value) {\n this.strength.y = value;\n }\n /**\n * Returns the current glitch mode.\n *\n * @deprecated Use mode instead.\n * @return {GlitchMode} The mode.\n */\n getMode() {\n return this.mode;\n }\n /**\n * Sets the current glitch mode.\n *\n * @deprecated Use mode instead.\n * @param {GlitchMode} value - The mode.\n */\n setMode(value) {\n this.mode = value;\n }\n /**\n * Returns the glitch ratio.\n *\n * @deprecated Use ratio instead.\n * @return {Number} The ratio.\n */\n getGlitchRatio() {\n return 1 - this.ratio;\n }\n /**\n * Sets the ratio of weak (0.0) and strong (1.0) glitches.\n *\n * @deprecated Use ratio instead.\n * @param {Number} value - The ratio. Range is [0.0, 1.0].\n */\n setGlitchRatio(value) {\n this.ratio = Math.min(Math.max(1 - value, 0), 1);\n }\n /**\n * The glitch column size.\n *\n * @type {Number}\n */\n get columns() {\n return this.uniforms.get(\"columns\").value;\n }\n set columns(value) {\n this.uniforms.get(\"columns\").value = value;\n }\n /**\n * Returns the glitch column size.\n *\n * @deprecated Use columns instead.\n * @return {Number} The glitch column size.\n */\n getGlitchColumns() {\n return this.columns;\n }\n /**\n * Sets the glitch column size.\n *\n * @deprecated Use columns instead.\n * @param {Number} value - The glitch column size.\n */\n setGlitchColumns(value) {\n this.columns = value;\n }\n /**\n * Returns the chromatic aberration offset.\n *\n * @deprecated Use chromaticAberrationOffset instead.\n * @return {Vector2} The offset.\n */\n getChromaticAberrationOffset() {\n return this.chromaticAberrationOffset;\n }\n /**\n * Sets the chromatic aberration offset.\n *\n * @deprecated Use chromaticAberrationOffset instead.\n * @param {Vector2} value - The offset.\n */\n setChromaticAberrationOffset(value) {\n this.chromaticAberrationOffset = value;\n }\n /**\n * The perturbation map.\n *\n * @type {Texture}\n */\n get perturbationMap() {\n return this.uniforms.get(\"perturbationMap\").value;\n }\n set perturbationMap(value) {\n const currentMap = this.perturbationMap;\n if (currentMap !== null && currentMap.name === textureTag) {\n currentMap.dispose();\n }\n value.minFilter = value.magFilter = NearestFilter;\n value.wrapS = value.wrapT = RepeatWrapping;\n value.generateMipmaps = false;\n this.uniforms.get(\"perturbationMap\").value = value;\n }\n /**\n * Returns the current perturbation map.\n *\n * @deprecated Use perturbationMap instead.\n * @return {Texture} The current perturbation map.\n */\n getPerturbationMap() {\n return this.perturbationMap;\n }\n /**\n * Replaces the current perturbation map with the given one.\n *\n * The current map will be disposed if it was generated by this effect.\n *\n * @deprecated Use perturbationMap instead.\n * @param {Texture} value - The new perturbation map.\n */\n setPerturbationMap(value) {\n this.perturbationMap = value;\n }\n /**\n * Generates a perturbation map.\n *\n * @deprecated Use NoiseTexture instead.\n * @param {Number} [value=64] - The texture size.\n * @return {DataTexture} The perturbation map.\n */\n generatePerturbationMap(value = 64) {\n const map = new NoiseTexture(value, value, RGBAFormat2);\n map.name = textureTag;\n return map;\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n const mode = this.mode;\n const breakPoint = this.breakPoint;\n const offset = this.chromaticAberrationOffset;\n const s = this.strength;\n let time = this.time;\n let active = false;\n let r = 0, a = 0;\n let trigger;\n if (mode !== GlitchMode.DISABLED) {\n if (mode === GlitchMode.SPORADIC) {\n time += deltaTime;\n trigger = time > breakPoint.x;\n if (time >= breakPoint.x + breakPoint.y) {\n breakPoint.set(\n randomFloat(this.delay.x, this.delay.y),\n randomFloat(this.duration.x, this.duration.y)\n );\n time = 0;\n }\n }\n r = Math.random();\n this.uniforms.get(\"random\").value = r;\n if (trigger && r > this.ratio || mode === GlitchMode.CONSTANT_WILD) {\n active = true;\n r *= s.y * 0.03;\n a = randomFloat(-Math.PI, Math.PI);\n this.seeds.set(randomFloat(-s.y, s.y), randomFloat(-s.y, s.y));\n this.distortion.set(randomFloat(0, 1), randomFloat(0, 1));\n } else if (trigger || mode === GlitchMode.CONSTANT_MILD) {\n active = true;\n r *= s.x * 0.03;\n a = randomFloat(-Math.PI, Math.PI);\n this.seeds.set(randomFloat(-s.x, s.x), randomFloat(-s.x, s.x));\n this.distortion.set(randomFloat(0, 1), randomFloat(0, 1));\n }\n this.time = time;\n }\n if (offset !== null) {\n if (active) {\n offset.set(Math.cos(a), Math.sin(a)).multiplyScalar(r);\n } else {\n offset.set(0, 0);\n }\n }\n this.uniforms.get(\"active\").value = active;\n }\n /**\n * Deletes generated resources.\n */\n dispose() {\n const map = this.perturbationMap;\n if (map !== null && map.name === textureTag) {\n map.dispose();\n }\n }\n};\n\n// src/effects/GodRaysEffect.js\nimport {\n BasicDepthPacking as BasicDepthPacking6,\n Color as Color2,\n DepthTexture as DepthTexture2,\n Matrix4,\n Scene as Scene2,\n SRGBColorSpace as SRGBColorSpace8,\n Uniform as Uniform21,\n Vector2 as Vector211,\n Vector3,\n WebGLRenderTarget as WebGLRenderTarget10\n} from \"three\";\n\n// src/materials/DepthMaskMaterial.js\nimport {\n AlwaysDepth,\n BasicDepthPacking as BasicDepthPacking5,\n EqualDepth,\n GreaterDepth,\n GreaterEqualDepth,\n LessDepth,\n LessEqualDepth,\n NeverDepth,\n NoBlending as NoBlending9,\n NotEqualDepth,\n PerspectiveCamera as PerspectiveCamera2,\n ShaderMaterial as ShaderMaterial10,\n Uniform as Uniform19,\n Vector2 as Vector210\n} from \"three\";\n\n// src/enums/DepthTestStrategy.js\nvar DepthTestStrategy = {\n DEFAULT: 0,\n KEEP_MAX_DEPTH: 1,\n DISCARD_MAX_DEPTH: 2\n};\n\n// src/materials/glsl/depth-mask.frag\nvar depth_mask_default = \"#include \\n#include \\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer0;uniform highp sampler2D depthBuffer1;\\n#else\\nuniform mediump sampler2D depthBuffer0;uniform mediump sampler2D depthBuffer1;\\n#endif\\nuniform sampler2D inputBuffer;uniform vec2 cameraNearFar;float getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#endif\\n}varying vec2 vUv;void main(){vec2 depth;\\n#if DEPTH_PACKING_0 == 3201\\ndepth.x=unpackRGBAToDepth(texture2D(depthBuffer0,vUv));\\n#else\\ndepth.x=texture2D(depthBuffer0,vUv).r;\\n#ifdef LOG_DEPTH\\nfloat d=pow(2.0,depth.x*log2(cameraNearFar.y+1.0))-1.0;float a=cameraNearFar.y/(cameraNearFar.y-cameraNearFar.x);float b=cameraNearFar.y*cameraNearFar.x/(cameraNearFar.x-cameraNearFar.y);depth.x=a+b/d;\\n#endif\\n#endif\\n#if DEPTH_PACKING_1 == 3201\\ndepth.y=unpackRGBAToDepth(texture2D(depthBuffer1,vUv));\\n#else\\ndepth.y=texture2D(depthBuffer1,vUv).r;\\n#ifdef LOG_DEPTH\\nfloat d=pow(2.0,depth.y*log2(cameraNearFar.y+1.0))-1.0;float a=cameraNearFar.y/(cameraNearFar.y-cameraNearFar.x);float b=cameraNearFar.y*cameraNearFar.x/(cameraNearFar.x-cameraNearFar.y);depth.y=a+b/d;\\n#endif\\n#endif\\nbool isMaxDepth=(depth.x==1.0);\\n#ifdef PERSPECTIVE_CAMERA\\ndepth.x=viewZToOrthographicDepth(getViewZ(depth.x),cameraNearFar.x,cameraNearFar.y);depth.y=viewZToOrthographicDepth(getViewZ(depth.y),cameraNearFar.x,cameraNearFar.y);\\n#endif\\n#if DEPTH_TEST_STRATEGY == 0\\nbool keep=depthTest(depth.x,depth.y);\\n#elif DEPTH_TEST_STRATEGY == 1\\nbool keep=isMaxDepth||depthTest(depth.x,depth.y);\\n#else\\nbool keep=!isMaxDepth&&depthTest(depth.x,depth.y);\\n#endif\\nif(keep){gl_FragColor=texture2D(inputBuffer,vUv);}else{discard;}}\";\n\n// src/materials/DepthMaskMaterial.js\nvar DepthMaskMaterial = class extends ShaderMaterial10 {\n /**\n * Constructs a new depth mask material.\n */\n constructor() {\n super({\n name: \"DepthMaskMaterial\",\n defines: {\n DEPTH_EPSILON: \"0.0001\",\n DEPTH_PACKING_0: \"0\",\n DEPTH_PACKING_1: \"0\",\n DEPTH_TEST_STRATEGY: DepthTestStrategy.KEEP_MAX_DEPTH\n },\n uniforms: {\n inputBuffer: new Uniform19(null),\n depthBuffer0: new Uniform19(null),\n depthBuffer1: new Uniform19(null),\n cameraNearFar: new Uniform19(new Vector210(1, 1))\n },\n blending: NoBlending9,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: depth_mask_default,\n vertexShader: common_default\n });\n this.depthMode = LessDepth;\n }\n /**\n * The primary depth buffer.\n *\n * @type {Texture}\n */\n set depthBuffer0(value) {\n this.uniforms.depthBuffer0.value = value;\n }\n /**\n * The primary depth packing strategy.\n *\n * @type {DepthPackingStrategies}\n */\n set depthPacking0(value) {\n this.defines.DEPTH_PACKING_0 = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the base depth buffer.\n *\n * @deprecated Use depthBuffer0 and depthPacking0 instead.\n * @param {Texture} buffer - The depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing strategy.\n */\n setDepthBuffer0(buffer, depthPacking = BasicDepthPacking5) {\n this.depthBuffer0 = buffer;\n this.depthPacking0 = depthPacking;\n }\n /**\n * The secondary depth buffer.\n *\n * @type {Texture}\n */\n set depthBuffer1(value) {\n this.uniforms.depthBuffer1.value = value;\n }\n /**\n * The secondary depth packing strategy.\n *\n * @type {DepthPackingStrategies}\n */\n set depthPacking1(value) {\n this.defines.DEPTH_PACKING_1 = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the depth buffer that will be compared with the base depth buffer.\n *\n * @deprecated Use depthBuffer1 and depthPacking1 instead.\n * @param {Texture} buffer - The depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing strategy.\n */\n setDepthBuffer1(buffer, depthPacking = BasicDepthPacking5) {\n this.depthBuffer1 = buffer;\n this.depthPacking1 = depthPacking;\n }\n /**\n * The strategy for handling maximum depth.\n *\n * @type {DepthTestStrategy}\n */\n get maxDepthStrategy() {\n return Number(this.defines.DEPTH_TEST_STRATEGY);\n }\n set maxDepthStrategy(value) {\n this.defines.DEPTH_TEST_STRATEGY = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Indicates whether maximum depth values should be preserved.\n *\n * @type {Boolean}\n * @deprecated Use maxDepthStrategy instead.\n */\n get keepFar() {\n return this.maxDepthStrategy;\n }\n set keepFar(value) {\n this.maxDepthStrategy = value ? DepthTestStrategy.KEEP_MAX_DEPTH : DepthTestStrategy.DISCARD_MAX_DEPTH;\n }\n /**\n * Returns the strategy for dealing with maximum depth values.\n *\n * @deprecated Use maxDepthStrategy instead.\n * @return {DepthTestStrategy} The strategy.\n */\n getMaxDepthStrategy() {\n return this.maxDepthStrategy;\n }\n /**\n * Sets the strategy for dealing with maximum depth values.\n *\n * @deprecated Use maxDepthStrategy instead.\n * @param {DepthTestStrategy} value - The strategy.\n */\n setMaxDepthStrategy(value) {\n this.maxDepthStrategy = value;\n }\n /**\n * A small error threshold that is used for `EqualDepth` and `NotEqualDepth` tests. Default is `1e-4`.\n *\n * @type {Number}\n */\n get epsilon() {\n return Number(this.defines.DEPTH_EPSILON);\n }\n set epsilon(value) {\n this.defines.DEPTH_EPSILON = value.toFixed(16);\n this.needsUpdate = true;\n }\n /**\n * Returns the current error threshold for depth comparisons.\n *\n * @deprecated Use epsilon instead.\n * @return {Number} The error threshold.\n */\n getEpsilon() {\n return this.epsilon;\n }\n /**\n * Sets the depth comparison error threshold.\n *\n * @deprecated Use epsilon instead.\n * @param {Number} value - The new error threshold.\n */\n setEpsilon(value) {\n this.epsilon = value;\n }\n /**\n * The depth mode.\n *\n * @see https://threejs.org/docs/#api/en/constants/Materials\n * @type {DepthModes}\n */\n get depthMode() {\n return Number(this.defines.DEPTH_MODE);\n }\n set depthMode(value) {\n let depthTest;\n switch (value) {\n case NeverDepth:\n depthTest = \"false\";\n break;\n case AlwaysDepth:\n depthTest = \"true\";\n break;\n case EqualDepth:\n depthTest = \"abs(d1 - d0) <= DEPTH_EPSILON\";\n break;\n case NotEqualDepth:\n depthTest = \"abs(d1 - d0) > DEPTH_EPSILON\";\n break;\n case LessDepth:\n depthTest = \"d0 > d1\";\n break;\n case LessEqualDepth:\n depthTest = \"d0 >= d1\";\n break;\n case GreaterEqualDepth:\n depthTest = \"d0 <= d1\";\n break;\n case GreaterDepth:\n default:\n depthTest = \"d0 < d1\";\n break;\n }\n this.defines.DEPTH_MODE = value.toFixed(0);\n this.defines[\"depthTest(d0, d1)\"] = depthTest;\n this.needsUpdate = true;\n }\n /**\n * Returns the current depth mode.\n *\n * @deprecated Use depthMode instead.\n * @return {DepthModes} The depth mode. Default is `LessDepth`.\n */\n getDepthMode() {\n return this.depthMode;\n }\n /**\n * Sets the depth mode.\n *\n * @deprecated Use depthMode instead.\n * @param {DepthModes} mode - The depth mode.\n */\n setDepthMode(mode) {\n this.depthMode = mode;\n }\n /**\n * Copies the settings of the given camera.\n *\n * @deprecated Use copyCameraSettings instead.\n * @param {Camera} camera - A camera.\n */\n adoptCameraSettings(camera) {\n this.copyCameraSettings(camera);\n }\n /**\n * Copies the settings of the given camera.\n *\n * @param {Camera} camera - A camera.\n */\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNearFar.value.set(camera.near, camera.far);\n if (camera instanceof PerspectiveCamera2) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n};\n\n// src/materials/GodRaysMaterial.js\nimport { NoBlending as NoBlending10, ShaderMaterial as ShaderMaterial11, Uniform as Uniform20 } from \"three\";\n\n// src/materials/glsl/convolution.god-rays.frag\nvar convolution_god_rays_default = \"#include \\n#include \\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform vec2 lightPosition;uniform float exposure;uniform float decay;uniform float density;uniform float weight;uniform float clampMax;varying vec2 vUv;void main(){vec2 coord=vUv;vec2 delta=lightPosition-coord;delta*=1.0/SAMPLES_FLOAT*density;float illuminationDecay=1.0;vec4 color=vec4(0.0);for(int i=0;i\\n}\";\n\n// src/materials/GodRaysMaterial.js\nvar GodRaysMaterial = class extends ShaderMaterial11 {\n /**\n * Constructs a new god rays material.\n *\n * TODO Remove lightPosition param.\n * @param {Vector2} lightPosition - Deprecated.\n */\n constructor(lightPosition) {\n super({\n name: \"GodRaysMaterial\",\n defines: {\n SAMPLES_INT: \"60\",\n SAMPLES_FLOAT: \"60.0\"\n },\n uniforms: {\n inputBuffer: new Uniform20(null),\n lightPosition: new Uniform20(lightPosition),\n density: new Uniform20(1),\n decay: new Uniform20(1),\n weight: new Uniform20(1),\n exposure: new Uniform20(1),\n clampMax: new Uniform20(1)\n },\n blending: NoBlending10,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_god_rays_default,\n vertexShader: common_default\n });\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the input buffer.\n *\n * @deprecated Use inputBuffer instead.\n * @param {Texture} value - The input buffer.\n */\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * The screen space position of the light source.\n *\n * @type {Vector2}\n */\n get lightPosition() {\n return this.uniforms.lightPosition.value;\n }\n /**\n * Returns the screen space position of the light source.\n *\n * @deprecated Use lightPosition instead.\n * @return {Vector2} The position.\n */\n getLightPosition() {\n return this.uniforms.lightPosition.value;\n }\n /**\n * Sets the screen space position of the light source.\n *\n * @deprecated Use lightPosition instead.\n * @param {Vector2} value - The position.\n */\n setLightPosition(value) {\n this.uniforms.lightPosition.value = value;\n }\n /**\n * The density.\n *\n * @type {Number}\n */\n get density() {\n return this.uniforms.density.value;\n }\n set density(value) {\n this.uniforms.density.value = value;\n }\n /**\n * Returns the density.\n *\n * @deprecated Use density instead.\n * @return {Number} The density.\n */\n getDensity() {\n return this.uniforms.density.value;\n }\n /**\n * Sets the density.\n *\n * @deprecated Use density instead.\n * @param {Number} value - The density.\n */\n setDensity(value) {\n this.uniforms.density.value = value;\n }\n /**\n * The decay.\n *\n * @type {Number}\n */\n get decay() {\n return this.uniforms.decay.value;\n }\n set decay(value) {\n this.uniforms.decay.value = value;\n }\n /**\n * Returns the decay.\n *\n * @deprecated Use decay instead.\n * @return {Number} The decay.\n */\n getDecay() {\n return this.uniforms.decay.value;\n }\n /**\n * Sets the decay.\n *\n * @deprecated Use decay instead.\n * @param {Number} value - The decay.\n */\n setDecay(value) {\n this.uniforms.decay.value = value;\n }\n /**\n * The weight.\n *\n * @type {Number}\n */\n get weight() {\n return this.uniforms.weight.value;\n }\n set weight(value) {\n this.uniforms.weight.value = value;\n }\n /**\n * Returns the weight.\n *\n * @deprecated Use weight instead.\n * @return {Number} The weight.\n */\n getWeight() {\n return this.uniforms.weight.value;\n }\n /**\n * Sets the weight.\n *\n * @deprecated Use weight instead.\n * @param {Number} value - The weight.\n */\n setWeight(value) {\n this.uniforms.weight.value = value;\n }\n /**\n * The exposure.\n *\n * @type {Number}\n */\n get exposure() {\n return this.uniforms.exposure.value;\n }\n set exposure(value) {\n this.uniforms.exposure.value = value;\n }\n /**\n * Returns the exposure.\n *\n * @deprecated Use exposure instead.\n * @return {Number} The exposure.\n */\n getExposure() {\n return this.uniforms.exposure.value;\n }\n /**\n * Sets the exposure.\n *\n * @deprecated Use exposure instead.\n * @param {Number} value - The exposure.\n */\n setExposure(value) {\n this.uniforms.exposure.value = value;\n }\n /**\n * The maximum light intensity.\n *\n * @type {Number}\n */\n get maxIntensity() {\n return this.uniforms.clampMax.value;\n }\n set maxIntensity(value) {\n this.uniforms.clampMax.value = value;\n }\n /**\n * Returns the maximum light intensity.\n *\n * @deprecated Use maxIntensity instead.\n * @return {Number} The maximum light intensity.\n */\n getMaxIntensity() {\n return this.uniforms.clampMax.value;\n }\n /**\n * Sets the maximum light intensity.\n *\n * @deprecated Use maxIntensity instead.\n * @param {Number} value - The maximum light intensity.\n */\n setMaxIntensity(value) {\n this.uniforms.clampMax.value = value;\n }\n /**\n * The amount of samples per pixel.\n *\n * @type {Number}\n */\n get samples() {\n return Number(this.defines.SAMPLES_INT);\n }\n set samples(value) {\n const s = Math.floor(value);\n this.defines.SAMPLES_INT = s.toFixed(0);\n this.defines.SAMPLES_FLOAT = s.toFixed(1);\n this.needsUpdate = true;\n }\n /**\n * Returns the amount of samples per pixel.\n *\n * @deprecated Use samples instead.\n * @return {Number} The sample count.\n */\n getSamples() {\n return this.samples;\n }\n /**\n * Sets the amount of samples per pixel.\n *\n * @deprecated Use samples instead.\n * @param {Number} value - The sample count.\n */\n setSamples(value) {\n this.samples = value;\n }\n};\n\n// src/passes/RenderPass.js\nvar RenderPass = class extends Pass {\n /**\n * Constructs a new render pass.\n *\n * @param {Scene} scene - The scene to render.\n * @param {Camera} camera - The camera to use to render the scene.\n * @param {Material} [overrideMaterial=null] - An override material.\n */\n constructor(scene, camera, overrideMaterial = null) {\n super(\"RenderPass\", scene, camera);\n this.needsSwap = false;\n this.clearPass = new ClearPass();\n this.overrideMaterialManager = overrideMaterial === null ? null : new OverrideMaterialManager(overrideMaterial);\n this.ignoreBackground = false;\n this.skipShadowMapUpdate = false;\n this.selection = null;\n }\n set mainScene(value) {\n this.scene = value;\n }\n set mainCamera(value) {\n this.camera = value;\n }\n get renderToScreen() {\n return super.renderToScreen;\n }\n set renderToScreen(value) {\n super.renderToScreen = value;\n this.clearPass.renderToScreen = value;\n }\n /**\n * The current override material.\n *\n * @type {Material}\n */\n get overrideMaterial() {\n const manager = this.overrideMaterialManager;\n return manager !== null ? manager.material : null;\n }\n set overrideMaterial(value) {\n const manager = this.overrideMaterialManager;\n if (value !== null) {\n if (manager !== null) {\n manager.setMaterial(value);\n } else {\n this.overrideMaterialManager = new OverrideMaterialManager(value);\n }\n } else if (manager !== null) {\n manager.dispose();\n this.overrideMaterialManager = null;\n }\n }\n /**\n * Returns the current override material.\n *\n * @deprecated Use overrideMaterial instead.\n * @return {Material} The material.\n */\n getOverrideMaterial() {\n return this.overrideMaterial;\n }\n /**\n * Sets the override material.\n *\n * @deprecated Use overrideMaterial instead.\n * @return {Material} value - The material.\n */\n setOverrideMaterial(value) {\n this.overrideMaterial = value;\n }\n /**\n * Indicates whether the target buffer should be cleared before rendering.\n *\n * @type {Boolean}\n * @deprecated Use clearPass.enabled instead.\n */\n get clear() {\n return this.clearPass.enabled;\n }\n set clear(value) {\n this.clearPass.enabled = value;\n }\n /**\n * Returns the selection. Default is `null` (no restriction).\n *\n * @deprecated Use selection instead.\n * @return {Selection} The selection.\n */\n getSelection() {\n return this.selection;\n }\n /**\n * Sets the selection. Set to `null` to disable.\n *\n * @deprecated Use selection instead.\n * @param {Selection} value - The selection.\n */\n setSelection(value) {\n this.selection = value;\n }\n /**\n * Indicates whether the scene background is disabled.\n *\n * @deprecated Use ignoreBackground instead.\n * @return {Boolean} Whether the scene background is disabled.\n */\n isBackgroundDisabled() {\n return this.ignoreBackground;\n }\n /**\n * Enables or disables the scene background.\n *\n * @deprecated Use ignoreBackground instead.\n * @param {Boolean} value - Whether the scene background should be disabled.\n */\n setBackgroundDisabled(value) {\n this.ignoreBackground = value;\n }\n /**\n * Indicates whether the shadow map auto update is disabled.\n *\n * @deprecated Use skipShadowMapUpdate instead.\n * @return {Boolean} Whether the shadow map update is disabled.\n */\n isShadowMapDisabled() {\n return this.skipShadowMapUpdate;\n }\n /**\n * Enables or disables the shadow map auto update.\n *\n * @deprecated Use skipShadowMapUpdate instead.\n * @param {Boolean} value - Whether the shadow map auto update should be disabled.\n */\n setShadowMapDisabled(value) {\n this.skipShadowMapUpdate = value;\n }\n /**\n * Returns the clear pass.\n *\n * @deprecated Use clearPass.enabled instead.\n * @return {ClearPass} The clear pass.\n */\n getClearPass() {\n return this.clearPass;\n }\n /**\n * Renders the scene.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const scene = this.scene;\n const camera = this.camera;\n const selection = this.selection;\n const mask = camera.layers.mask;\n const background = scene.background;\n const shadowMapAutoUpdate = renderer.shadowMap.autoUpdate;\n const renderTarget = this.renderToScreen ? null : inputBuffer;\n if (selection !== null) {\n camera.layers.set(selection.getLayer());\n }\n if (this.skipShadowMapUpdate) {\n renderer.shadowMap.autoUpdate = false;\n }\n if (this.ignoreBackground || this.clearPass.overrideClearColor !== null) {\n scene.background = null;\n }\n if (this.clearPass.enabled) {\n this.clearPass.render(renderer, inputBuffer);\n }\n renderer.setRenderTarget(renderTarget);\n if (this.overrideMaterialManager !== null) {\n this.overrideMaterialManager.render(renderer, scene, camera);\n } else {\n renderer.render(scene, camera);\n }\n camera.layers.mask = mask;\n scene.background = background;\n renderer.shadowMap.autoUpdate = shadowMapAutoUpdate;\n }\n};\n\n// src/effects/glsl/god-rays.frag\nvar god_rays_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=texture2D(map,uv);}\";\n\n// src/effects/GodRaysEffect.js\nvar v = /* @__PURE__ */ new Vector3();\nvar m = /* @__PURE__ */ new Matrix4();\nvar GodRaysEffect = class extends Effect {\n /**\n * Constructs a new god rays effect.\n *\n * @param {Camera} [camera] - The main camera.\n * @param {Mesh|Points} [lightSource] - The light source. Must not write depth and has to be flagged as transparent.\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SCREEN] - The blend function of this effect.\n * @param {Number} [options.samples=60.0] - The number of samples per pixel.\n * @param {Number} [options.density=0.96] - The density of the light rays.\n * @param {Number} [options.decay=0.9] - An illumination decay factor.\n * @param {Number} [options.weight=0.4] - A light ray weight factor.\n * @param {Number} [options.exposure=0.6] - A constant attenuation coefficient.\n * @param {Number} [options.clampMax=1.0] - An upper bound for the saturation of the overall effect.\n * @param {Number} [options.resolutionScale=0.5] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n * @param {Number} [options.width=Resolution.AUTO_SIZE] - Deprecated. Use resolutionX instead.\n * @param {Number} [options.height=Resolution.AUTO_SIZE] - Deprecated. Use resolutionY instead.\n * @param {KernelSize} [options.kernelSize=KernelSize.SMALL] - The blur kernel size. Has no effect if blur is disabled.\n * @param {Boolean} [options.blur=true] - Whether the god rays should be blurred to reduce artifacts.\n */\n constructor(camera, lightSource, {\n blendFunction = BlendFunction.SCREEN,\n samples = 60,\n density = 0.96,\n decay = 0.9,\n weight = 0.4,\n exposure = 0.6,\n clampMax = 1,\n blur = true,\n kernelSize = KernelSize.SMALL,\n resolutionScale = 0.5,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"GodRaysEffect\", god_rays_default, {\n blendFunction,\n attributes: EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"map\", new Uniform21(null)]\n ])\n });\n this.camera = camera;\n this._lightSource = lightSource;\n this.lightSource = lightSource;\n this.lightScene = new Scene2();\n this.screenPosition = new Vector211();\n this.renderTargetA = new WebGLRenderTarget10(1, 1, { depthBuffer: false });\n this.renderTargetA.texture.name = \"GodRays.Target.A\";\n this.renderTargetB = this.renderTargetA.clone();\n this.renderTargetB.texture.name = \"GodRays.Target.B\";\n this.uniforms.get(\"map\").value = this.renderTargetB.texture;\n this.renderTargetLight = new WebGLRenderTarget10(1, 1);\n this.renderTargetLight.texture.name = \"GodRays.Light\";\n this.renderTargetLight.depthTexture = new DepthTexture2();\n this.renderPassLight = new RenderPass(this.lightScene, camera);\n this.renderPassLight.clearPass.overrideClearColor = new Color2(0);\n this.clearPass = new ClearPass(true, false, false);\n this.clearPass.overrideClearColor = new Color2(0);\n this.blurPass = new KawaseBlurPass({ kernelSize });\n this.blurPass.enabled = blur;\n this.depthMaskPass = new ShaderPass(new DepthMaskMaterial());\n const depthMaskMaterial = this.depthMaskMaterial;\n depthMaskMaterial.depthBuffer1 = this.renderTargetLight.depthTexture;\n depthMaskMaterial.copyCameraSettings(camera);\n this.godRaysPass = new ShaderPass(new GodRaysMaterial(this.screenPosition));\n const godRaysMaterial = this.godRaysMaterial;\n godRaysMaterial.density = density;\n godRaysMaterial.decay = decay;\n godRaysMaterial.weight = weight;\n godRaysMaterial.exposure = exposure;\n godRaysMaterial.maxIntensity = clampMax;\n godRaysMaterial.samples = samples;\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n set mainCamera(value) {\n this.camera = value;\n this.renderPassLight.mainCamera = value;\n this.depthMaskMaterial.copyCameraSettings(value);\n }\n /**\n * Sets the light source.\n *\n * @type {Mesh|Points}\n */\n get lightSource() {\n return this._lightSource;\n }\n set lightSource(value) {\n this._lightSource = value;\n if (value !== null) {\n value.material.depthWrite = false;\n value.material.transparent = true;\n }\n }\n /**\n * Returns the blur pass that reduces aliasing artifacts and makes the light softer.\n *\n * @deprecated Use blurPass instead.\n * @return {KawaseBlurPass} The blur pass.\n */\n getBlurPass() {\n return this.blurPass;\n }\n /**\n * A texture that contains the intermediate result of this effect.\n *\n * @type {Texture}\n */\n get texture() {\n return this.renderTargetB.texture;\n }\n /**\n * Returns the god rays texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.texture;\n }\n /**\n * The depth mask material.\n *\n * @type {DepthMaskMaterial}\n * @private\n */\n get depthMaskMaterial() {\n return this.depthMaskPass.fullscreenMaterial;\n }\n /**\n * The internal god rays material.\n *\n * @type {GodRaysMaterial}\n */\n get godRaysMaterial() {\n return this.godRaysPass.fullscreenMaterial;\n }\n /**\n * Returns the god rays material.\n *\n * @deprecated Use godRaysMaterial instead.\n * @return {GodRaysMaterial} The material.\n */\n getGodRaysMaterial() {\n return this.godRaysMaterial;\n }\n /**\n * Returns the resolution of this effect.\n *\n * @deprecated Use resolution instead.\n * @return {GodRaysMaterial} The material.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * The current width of the internal render targets.\n *\n * @type {Number}\n * @deprecated Use resolution.width instead.\n */\n get width() {\n return this.resolution.width;\n }\n set width(value) {\n this.resolution.preferredWidth = value;\n }\n /**\n * The current height of the internal render targets.\n *\n * @type {Number}\n * @deprecated Use resolution.height instead.\n */\n get height() {\n return this.resolution.height;\n }\n set height(value) {\n this.resolution.preferredHeight = value;\n }\n /**\n * Indicates whether dithering is enabled.\n *\n * @type {Boolean}\n * @deprecated\n */\n get dithering() {\n return this.godRaysMaterial.dithering;\n }\n set dithering(value) {\n const material = this.godRaysMaterial;\n material.dithering = value;\n material.needsUpdate = true;\n }\n /**\n * Indicates whether the god rays should be blurred to reduce artifacts.\n *\n * @type {Boolean}\n * @deprecated Use blurPass.enabled instead.\n */\n get blur() {\n return this.blurPass.enabled;\n }\n set blur(value) {\n this.blurPass.enabled = value;\n }\n /**\n * The blur kernel size.\n *\n * @type {KernelSize}\n * @deprecated Use blurPass.kernelSize instead.\n */\n get kernelSize() {\n return this.blurPass.kernelSize;\n }\n set kernelSize(value) {\n this.blurPass.kernelSize = value;\n }\n /**\n * Returns the current resolution scale.\n *\n * @return {Number} The resolution scale.\n * @deprecated Use resolution instead.\n */\n getResolutionScale() {\n return this.resolution.scale;\n }\n /**\n * Sets the resolution scale.\n *\n * @param {Number} scale - The new resolution scale.\n * @deprecated Use resolution instead.\n */\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n /**\n * The number of samples per pixel.\n *\n * @type {Number}\n * @deprecated Use godRaysMaterial.samples instead.\n */\n get samples() {\n return this.godRaysMaterial.samples;\n }\n /**\n * A higher sample count improves quality at the cost of performance.\n *\n * @type {Number}\n * @deprecated Use godRaysMaterial.samples instead.\n */\n set samples(value) {\n this.godRaysMaterial.samples = value;\n }\n /**\n * Sets the depth texture.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {Number} [depthPacking=BasicDepthPacking] - The depth packing.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking6) {\n this.depthMaskPass.fullscreenMaterial.depthBuffer0 = depthTexture;\n this.depthMaskPass.fullscreenMaterial.depthPacking0 = depthPacking;\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n const lightSource = this.lightSource;\n const parent = lightSource.parent;\n const matrixAutoUpdate = lightSource.matrixAutoUpdate;\n const renderTargetA = this.renderTargetA;\n const renderTargetLight = this.renderTargetLight;\n lightSource.material.depthWrite = true;\n lightSource.matrixAutoUpdate = false;\n lightSource.updateWorldMatrix(true, false);\n if (parent !== null) {\n if (!matrixAutoUpdate) {\n m.copy(lightSource.matrix);\n }\n lightSource.matrix.copy(lightSource.matrixWorld);\n }\n this.lightScene.add(lightSource);\n this.renderPassLight.render(renderer, renderTargetLight);\n this.clearPass.render(renderer, renderTargetA);\n this.depthMaskPass.render(renderer, renderTargetLight, renderTargetA);\n lightSource.material.depthWrite = false;\n lightSource.matrixAutoUpdate = matrixAutoUpdate;\n if (parent !== null) {\n if (!matrixAutoUpdate) {\n lightSource.matrix.copy(m);\n }\n parent.add(lightSource);\n }\n v.setFromMatrixPosition(lightSource.matrixWorld).project(this.camera);\n this.screenPosition.set(\n Math.min(Math.max((v.x + 1) * 0.5, -1), 2),\n Math.min(Math.max((v.y + 1) * 0.5, -1), 2)\n );\n if (this.blurPass.enabled) {\n this.blurPass.render(renderer, renderTargetA, renderTargetA);\n }\n this.godRaysPass.render(renderer, renderTargetA, this.renderTargetB);\n }\n /**\n * Updates the size of internal render targets.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.renderTargetA.setSize(w, h);\n this.renderTargetB.setSize(w, h);\n this.renderTargetLight.setSize(w, h);\n this.blurPass.resolution.copy(resolution);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n this.blurPass.initialize(renderer, alpha, frameBufferType);\n this.renderPassLight.initialize(renderer, alpha, frameBufferType);\n this.depthMaskPass.initialize(renderer, alpha, frameBufferType);\n this.godRaysPass.initialize(renderer, alpha, frameBufferType);\n if (frameBufferType !== void 0) {\n this.renderTargetA.texture.type = frameBufferType;\n this.renderTargetB.texture.type = frameBufferType;\n this.renderTargetLight.texture.type = frameBufferType;\n if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace8) {\n this.renderTargetA.texture.colorSpace = SRGBColorSpace8;\n this.renderTargetB.texture.colorSpace = SRGBColorSpace8;\n this.renderTargetLight.texture.colorSpace = SRGBColorSpace8;\n }\n }\n }\n};\n\n// src/effects/GridEffect.js\nimport { Uniform as Uniform22, Vector2 as Vector212 } from \"three\";\n\n// src/effects/glsl/grid.frag\nvar grid_default = \"uniform vec2 scale;uniform float lineWidth;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){float grid=0.5-max(abs(mod(uv.x*scale.x,1.0)-0.5),abs(mod(uv.y*scale.y,1.0)-0.5));outputColor=vec4(vec3(smoothstep(0.0,lineWidth,grid)),inputColor.a);}\";\n\n// src/effects/GridEffect.js\nvar GridEffect = class extends Effect {\n /**\n * Constructs a new grid effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.OVERLAY] - The blend function of this effect.\n * @param {Number} [options.scale=1.0] - The scale of the grid pattern.\n * @param {Number} [options.lineWidth=0.0] - The line width of the grid pattern.\n */\n constructor({ blendFunction = BlendFunction.OVERLAY, scale = 1, lineWidth = 0 } = {}) {\n super(\"GridEffect\", grid_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"scale\", new Uniform22(new Vector212())],\n [\"lineWidth\", new Uniform22(lineWidth)]\n ])\n });\n this.resolution = new Vector212();\n this.s = 0;\n this.scale = scale;\n this.l = 0;\n this.lineWidth = lineWidth;\n }\n /**\n * The scale.\n *\n * @type {Number}\n */\n get scale() {\n return this.s;\n }\n set scale(value) {\n this.s = Math.max(value, 1e-6);\n this.setSize(this.resolution.width, this.resolution.height);\n }\n /**\n * Returns the current grid scale.\n *\n * @deprecated Use scale instead.\n * @return {Number} The grid scale.\n */\n getScale() {\n return this.scale;\n }\n /**\n * Sets the grid scale.\n *\n * @deprecated Use scale instead.\n * @param {Number} value - The new grid scale.\n */\n setScale(value) {\n this.scale = value;\n }\n /**\n * The line width.\n *\n * @type {Number}\n */\n get lineWidth() {\n return this.l;\n }\n set lineWidth(value) {\n this.l = value;\n this.setSize(this.resolution.width, this.resolution.height);\n }\n /**\n * Returns the current grid line width.\n *\n * @deprecated Use lineWidth instead.\n * @return {Number} The grid line width.\n */\n getLineWidth() {\n return this.lineWidth;\n }\n /**\n * Sets the grid line width.\n *\n * @deprecated Use lineWidth instead.\n * @param {Number} value - The new grid line width.\n */\n setLineWidth(value) {\n this.lineWidth = value;\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.resolution.set(width, height);\n const aspect = width / height;\n const scale = this.scale * (height * 0.125);\n this.uniforms.get(\"scale\").value.set(aspect * scale, scale);\n this.uniforms.get(\"lineWidth\").value = scale / height + this.lineWidth;\n }\n};\n\n// src/effects/HueSaturationEffect.js\nimport { Uniform as Uniform23, Vector3 as Vector32 } from \"three\";\n\n// src/effects/glsl/hue-saturation.frag\nvar hue_saturation_default = \"uniform vec3 hue;uniform float saturation;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=vec3(dot(inputColor.rgb,hue.xyz),dot(inputColor.rgb,hue.zxy),dot(inputColor.rgb,hue.yzx));float average=(color.r+color.g+color.b)/3.0;vec3 diff=average-color;if(saturation>0.0){color+=diff*(1.0-1.0/(1.001-saturation));}else{color+=diff*-saturation;}outputColor=vec4(min(color,1.0),inputColor.a);}\";\n\n// src/effects/HueSaturationEffect.js\nvar HueSaturationEffect = class extends Effect {\n /**\n * Constructs a new hue/saturation effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SRC] - The blend function of this effect.\n * @param {Number} [options.hue=0.0] - The hue in radians.\n * @param {Number} [options.saturation=0.0] - The saturation factor, ranging from -1 to 1, where 0 means no change.\n */\n constructor({ blendFunction = BlendFunction.SRC, hue = 0, saturation = 0 } = {}) {\n super(\"HueSaturationEffect\", hue_saturation_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"hue\", new Uniform23(new Vector32())],\n [\"saturation\", new Uniform23(saturation)]\n ])\n });\n this.hue = hue;\n }\n /**\n * The saturation.\n *\n * @type {Number}\n */\n get saturation() {\n return this.uniforms.get(\"saturation\").value;\n }\n set saturation(value) {\n this.uniforms.get(\"saturation\").value = value;\n }\n /**\n * Returns the saturation.\n *\n * @deprecated Use saturation instead.\n * @return {Number} The saturation.\n */\n getSaturation() {\n return this.saturation;\n }\n /**\n * Sets the saturation.\n *\n * @deprecated Use saturation instead.\n * @param {Number} value - The saturation.\n */\n setSaturation(value) {\n this.saturation = value;\n }\n /**\n * The hue.\n *\n * @type {Number}\n */\n get hue() {\n const hue = this.uniforms.get(\"hue\").value;\n return Math.acos((hue.x * 3 - 1) / 2);\n }\n set hue(value) {\n const s = Math.sin(value), c2 = Math.cos(value);\n this.uniforms.get(\"hue\").value.set(\n (2 * c2 + 1) / 3,\n (-Math.sqrt(3) * s - c2 + 1) / 3,\n (Math.sqrt(3) * s - c2 + 1) / 3\n );\n }\n /**\n * Returns the hue.\n *\n * @deprecated Use hue instead.\n * @return {Number} The hue in radians.\n */\n getHue() {\n return this.hue;\n }\n /**\n * Sets the hue.\n *\n * @deprecated Use hue instead.\n * @param {Number} value - The hue in radians.\n */\n setHue(value) {\n this.hue = value;\n }\n};\n\n// src/effects/LensDistortionEffect.js\nimport { Uniform as Uniform24, Vector2 as Vector213 } from \"three\";\n\n// src/effects/glsl/lens-distortion.frag\nvar lens_distortion_default = \"uniform vec2 distortion;uniform vec2 principalPoint;uniform vec2 focalLength;uniform float skew;float mask(const in vec2 uv){return float(uv.s>=0.0&&uv.s<=1.0&&uv.t>=0.0&&uv.t<=1.0);}void mainUv(inout vec2 uv){vec2 xn=2.0*(uv.st-0.5);vec3 xDistorted=vec3((1.0+distortion*dot(xn,xn))*xn,1.0);mat3 kk=mat3(vec3(focalLength.x,0.0,0.0),vec3(skew*focalLength.x,focalLength.y,0.0),vec3(principalPoint.x,principalPoint.y,1.0));uv=(kk*xDistorted).xy*0.5+0.5;}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=mask(uv)*inputColor;}\";\n\n// src/effects/LensDistortionEffect.js\nvar LensDistortionEffect = class extends Effect {\n /**\n * Constructs a new lens distortion effect.\n *\n * @param {Object} [options] - The options.\n * @param {Vector2} [options.distortion] - The distortion value.\n * @param {Vector2} [options.principalPoint] - The center point.\n * @param {Vector2} [options.focalLength] - The focal length.\n * @param {Number} [options.skew=0] - The skew value.\n */\n constructor({\n distortion = new Vector213(0, 0),\n principalPoint = new Vector213(0, 0),\n focalLength = new Vector213(1, 1),\n skew = 0\n } = {}) {\n super(\"LensDistortionEffect\", lens_distortion_default, {\n uniforms: /* @__PURE__ */ new Map([\n [\"distortion\", new Uniform24(distortion)],\n [\"principalPoint\", new Uniform24(principalPoint)],\n [\"focalLength\", new Uniform24(focalLength)],\n [\"skew\", new Uniform24(skew)]\n ])\n });\n }\n /**\n * The radial distortion coefficients. Default is (0, 0).\n *\n * @type {Vector2}\n */\n get distortion() {\n return this.uniforms.get(\"distortion\").value;\n }\n set distortion(value) {\n this.uniforms.get(\"distortion\").value = value;\n }\n /**\n * The principal point. Default is (0, 0).\n *\n * @type {Vector2}\n */\n get principalPoint() {\n return this.uniforms.get(\"principalPoint\").value;\n }\n set principalPoint(value) {\n this.uniforms.get(\"principalPoint\").value = value;\n }\n /**\n * The focal length. Default is (1, 1).\n *\n * @type {Vector2}\n */\n get focalLength() {\n return this.uniforms.get(\"focalLength\").value;\n }\n set focalLength(value) {\n this.uniforms.get(\"focalLength\").value = value;\n }\n /**\n * The skew factor in radians.\n *\n * @type {Number}\n */\n get skew() {\n return this.uniforms.get(\"skew\").value;\n }\n set skew(value) {\n this.uniforms.get(\"skew\").value = value;\n }\n};\n\n// src/effects/LUT1DEffect.js\nimport { FloatType, HalfFloatType, Uniform as Uniform25 } from \"three\";\n\n// src/effects/glsl/lut-1d.frag\nvar lut_1d_default = \"#ifdef LUT_PRECISION_HIGH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D lut;\\n#else\\nuniform mediump sampler2D lut;\\n#endif\\n#else\\nuniform lowp sampler2D lut;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){outputColor=vec4(texture2D(lut,vec2(inputColor.r,0.5)).r,texture2D(lut,vec2(inputColor.g,0.5)).r,texture2D(lut,vec2(inputColor.b,0.5)).r,inputColor.a);}\";\n\n// src/effects/LUT1DEffect.js\nvar LUT1DEffect = class extends Effect {\n /**\n * Constructs a new color grading effect.\n *\n * @param {Texture} lut - The lookup texture.\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SRC] - The blend function of this effect.\n */\n constructor(lut, { blendFunction = BlendFunction.SRC } = {}) {\n super(\"LUT1DEffect\", lut_1d_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([[\"lut\", new Uniform25(null)]])\n });\n this.lut = lut;\n }\n /**\n * The LUT.\n *\n * @type {Texture}\n */\n get lut() {\n return this.uniforms.get(\"lut\").value;\n }\n set lut(value) {\n this.uniforms.get(\"lut\").value = value;\n if (value !== null && (value.type === FloatType || value.type === HalfFloatType)) {\n this.defines.set(\"LUT_PRECISION_HIGH\", \"1\");\n }\n }\n};\n\n// src/effects/LUT3DEffect.js\nimport {\n Data3DTexture as Data3DTexture2,\n FloatType as FloatType3,\n HalfFloatType as HalfFloatType2,\n LinearFilter as LinearFilter4,\n NearestFilter as NearestFilter2,\n SRGBColorSpace as SRGBColorSpace10,\n Uniform as Uniform26,\n Vector3 as Vector34\n} from \"three\";\n\n// src/textures/lut/LookupTexture.js\nimport {\n Color as Color3,\n ClampToEdgeWrapping,\n DataTexture as DataTexture2,\n Data3DTexture,\n FloatType as FloatType2,\n LinearFilter as LinearFilter3,\n LinearSRGBColorSpace as LinearSRGBColorSpace3,\n RGBAFormat as RGBAFormat3,\n SRGBColorSpace as SRGBColorSpace9,\n UnsignedByteType as UnsignedByteType10,\n Vector3 as Vector33\n} from \"three\";\n\n// src/enums/LUTOperation.js\nvar LUTOperation = {\n SCALE_UP: \"lut.scaleup\"\n};\n\n// src/textures/RawImageData.js\nfunction createCanvas(width, height, data) {\n const canvas = document.createElement(\"canvas\");\n const context = canvas.getContext(\"2d\");\n canvas.width = width;\n canvas.height = height;\n if (data instanceof Image) {\n context.drawImage(data, 0, 0);\n } else {\n const imageData = context.createImageData(width, height);\n imageData.data.set(data);\n context.putImageData(imageData, 0, 0);\n }\n return canvas;\n}\nvar RawImageData = class _RawImageData {\n /**\n * Constructs a new image data container.\n *\n * @param {Number} [width=0] - The width of the image.\n * @param {Number} [height=0] - The height of the image.\n * @param {Uint8ClampedArray} [data=null] - The image data.\n */\n constructor(width = 0, height = 0, data = null) {\n this.width = width;\n this.height = height;\n this.data = data;\n }\n /**\n * Creates a canvas from this image data.\n *\n * @return {Canvas} The canvas, or null if it couldn't be created.\n */\n toCanvas() {\n return typeof document === \"undefined\" ? null : createCanvas(this.width, this.height, this.data);\n }\n /**\n * Creates a new image data container.\n *\n * @param {ImageData|Image} image - An image or plain image data.\n * @return {RawImageData} The image data.\n */\n static from(image) {\n const { width, height } = image;\n let data;\n if (image instanceof Image) {\n const canvas = createCanvas(width, height, image);\n if (canvas !== null) {\n const context = canvas.getContext(\"2d\");\n data = context.getImageData(0, 0, width, height).data;\n }\n } else {\n data = image.data;\n }\n return new _RawImageData(width, height, data);\n }\n};\n\n// tmp/lut/worker.txt\nvar worker_default = '\"use strict\";(()=>{var O={SCALE_UP:\"lut.scaleup\"};var _=[new Float32Array(3),new Float32Array(3)],n=[new Float32Array(3),new Float32Array(3),new Float32Array(3),new Float32Array(3)],Z=[[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([1,0,0]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([1,0,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([1,1,0]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,1,0]),new Float32Array([0,1,1]),new Float32Array([1,1,1])],[new Float32Array([0,0,0]),new Float32Array([0,0,1]),new Float32Array([0,1,1]),new Float32Array([1,1,1])]];function d(a,t,r,m){let i=r[0]-t[0],e=r[1]-t[1],y=r[2]-t[2],h=a[0]-t[0],A=a[1]-t[1],w=a[2]-t[2],c=e*w-y*A,l=y*h-i*w,x=i*A-e*h,u=Math.sqrt(c*c+l*l+x*x),b=u*.5,s=c/u,F=l/u,f=x/u,p=-(a[0]*s+a[1]*F+a[2]*f),M=m[0]*s+m[1]*F+m[2]*f;return Math.abs(M+p)*b/3}function V(a,t,r,m,i,e){let y=(r+m*t+i*t*t)*4;e[0]=a[y+0],e[1]=a[y+1],e[2]=a[y+2]}function k(a,t,r,m,i,e){let y=r*(t-1),h=m*(t-1),A=i*(t-1),w=Math.floor(y),c=Math.floor(h),l=Math.floor(A),x=Math.ceil(y),u=Math.ceil(h),b=Math.ceil(A),s=y-w,F=h-c,f=A-l;if(w===y&&c===h&&l===A)V(a,t,y,h,A,e);else{let p;s>=F&&F>=f?p=Z[0]:s>=f&&f>=F?p=Z[1]:f>=s&&s>=F?p=Z[2]:F>=s&&s>=f?p=Z[3]:F>=f&&f>=s?p=Z[4]:f>=F&&F>=s&&(p=Z[5]);let[M,g,X,Y]=p,P=_[0];P[0]=s,P[1]=F,P[2]=f;let o=_[1],L=x-w,S=u-c,U=b-l;o[0]=L*M[0]+w,o[1]=S*M[1]+c,o[2]=U*M[2]+l,V(a,t,o[0],o[1],o[2],n[0]),o[0]=L*g[0]+w,o[1]=S*g[1]+c,o[2]=U*g[2]+l,V(a,t,o[0],o[1],o[2],n[1]),o[0]=L*X[0]+w,o[1]=S*X[1]+c,o[2]=U*X[2]+l,V(a,t,o[0],o[1],o[2],n[2]),o[0]=L*Y[0]+w,o[1]=S*Y[1]+c,o[2]=U*Y[2]+l,V(a,t,o[0],o[1],o[2],n[3]);let T=d(g,X,Y,P)*6,q=d(M,X,Y,P)*6,C=d(M,g,Y,P)*6,E=d(M,g,X,P)*6;n[0][0]*=T,n[0][1]*=T,n[0][2]*=T,n[1][0]*=q,n[1][1]*=q,n[1][2]*=q,n[2][0]*=C,n[2][1]*=C,n[2][2]*=C,n[3][0]*=E,n[3][1]*=E,n[3][2]*=E,e[0]=n[0][0]+n[1][0]+n[2][0]+n[3][0],e[1]=n[0][1]+n[1][1]+n[2][1]+n[3][1],e[2]=n[0][2]+n[1][2]+n[2][2]+n[3][2]}}var v=class{static expand(t,r){let m=Math.cbrt(t.length/4),i=new Float32Array(3),e=new t.constructor(r**3*4),y=t instanceof Uint8Array?255:1,h=r**2,A=1/(r-1);for(let w=0;w{let t=a.data,r=t.data;switch(t.operation){case O.SCALE_UP:r=v.expand(r,t.size);break}postMessage(r,[r.buffer]),close()});})();\\n';\n\n// src/textures/lut/LookupTexture.js\nvar c = /* @__PURE__ */ new Color3();\nvar LookupTexture = class _LookupTexture extends Data3DTexture {\n /**\n * Constructs a cubic 3D lookup texture.\n *\n * @param {TypedArray} data - The pixel data. The default format is RGBA.\n * @param {Number} size - The sidelength.\n */\n constructor(data, size) {\n super(data, size, size, size);\n this.type = FloatType2;\n this.format = RGBAFormat3;\n this.minFilter = LinearFilter3;\n this.magFilter = LinearFilter3;\n this.wrapS = ClampToEdgeWrapping;\n this.wrapT = ClampToEdgeWrapping;\n this.wrapR = ClampToEdgeWrapping;\n this.unpackAlignment = 1;\n this.needsUpdate = true;\n this.colorSpace = LinearSRGBColorSpace3;\n this.domainMin = new Vector33(0, 0, 0);\n this.domainMax = new Vector33(1, 1, 1);\n }\n /**\n * Indicates that this is an instance of LookupTexture3D.\n *\n * @type {Boolean}\n * @deprecated\n */\n get isLookupTexture3D() {\n return true;\n }\n /**\n * Scales this LUT up to a given target size using tetrahedral interpolation.\n *\n * @param {Number} size - The target sidelength.\n * @param {Boolean} [transferData=true] - Extra fast mode. Set to false to keep the original data intact.\n * @return {Promise} A promise that resolves with a new LUT upon completion.\n */\n scaleUp(size, transferData = true) {\n const image = this.image;\n let promise;\n if (size <= image.width) {\n promise = Promise.reject(new Error(\"The target size must be greater than the current size\"));\n } else {\n promise = new Promise((resolve, reject) => {\n const workerURL = URL.createObjectURL(new Blob([worker_default], {\n type: \"text/javascript\"\n }));\n const worker = new Worker(workerURL);\n worker.addEventListener(\"error\", (event) => reject(event.error));\n worker.addEventListener(\"message\", (event) => {\n const lut = new _LookupTexture(event.data, size);\n this.colorSpace = lut.colorSpace;\n lut.type = this.type;\n lut.name = this.name;\n URL.revokeObjectURL(workerURL);\n resolve(lut);\n });\n const transferList = transferData ? [image.data.buffer] : [];\n worker.postMessage({\n operation: LUTOperation.SCALE_UP,\n data: image.data,\n size\n }, transferList);\n });\n }\n return promise;\n }\n /**\n * Applies the given LUT to this one.\n *\n * @param {LookupTexture} lut - A LUT. Must have the same dimensions, type and format as this LUT.\n * @return {LookupTexture} This texture.\n */\n applyLUT(lut) {\n const img0 = this.image;\n const img1 = lut.image;\n const size0 = Math.min(img0.width, img0.height, img0.depth);\n const size1 = Math.min(img1.width, img1.height, img1.depth);\n if (size0 !== size1) {\n console.error(\"Size mismatch\");\n } else if (lut.type !== FloatType2 || this.type !== FloatType2) {\n console.error(\"Both LUTs must be FloatType textures\");\n } else if (lut.format !== RGBAFormat3 || this.format !== RGBAFormat3) {\n console.error(\"Both LUTs must be RGBA textures\");\n } else {\n const data0 = img0.data;\n const data1 = img1.data;\n const size = size0;\n const sizeSq = size ** 2;\n const s = size - 1;\n for (let i = 0, l = size ** 3; i < l; ++i) {\n const i4 = i * 4;\n const r = data0[i4 + 0] * s;\n const g = data0[i4 + 1] * s;\n const b = data0[i4 + 2] * s;\n const iRGB = Math.round(r + g * size + b * sizeSq) * 4;\n data0[i4 + 0] = data1[iRGB + 0];\n data0[i4 + 1] = data1[iRGB + 1];\n data0[i4 + 2] = data1[iRGB + 2];\n }\n this.needsUpdate = true;\n }\n return this;\n }\n /**\n * Converts the LUT data into unsigned byte data.\n *\n * This is a lossy operation which should only be performed after all other transformations have been applied.\n *\n * @return {LookupTexture} This texture.\n */\n convertToUint8() {\n if (this.type === FloatType2) {\n const floatData = this.image.data;\n const uint8Data = new Uint8Array(floatData.length);\n for (let i = 0, l = floatData.length; i < l; ++i) {\n uint8Data[i] = floatData[i] * 255 + 0.5;\n }\n this.image.data = uint8Data;\n this.type = UnsignedByteType10;\n this.needsUpdate = true;\n }\n return this;\n }\n /**\n * Converts the LUT data into float data.\n *\n * @return {LookupTexture} This texture.\n */\n convertToFloat() {\n if (this.type === UnsignedByteType10) {\n const uint8Data = this.image.data;\n const floatData = new Float32Array(uint8Data.length);\n for (let i = 0, l = uint8Data.length; i < l; ++i) {\n floatData[i] = uint8Data[i] / 255;\n }\n this.image.data = floatData;\n this.type = FloatType2;\n this.needsUpdate = true;\n }\n return this;\n }\n /**\n * Converts this LUT into RGBA data.\n *\n * @deprecated LUTs are RGBA by default since three r137.\n * @return {LookupTexture} This texture.\n */\n convertToRGBA() {\n console.warn(\"LookupTexture\", \"convertToRGBA() is deprecated, LUTs are now RGBA by default\");\n return this;\n }\n /**\n * Converts the output of this LUT into sRGB color space.\n *\n * @return {LookupTexture} This texture.\n */\n convertLinearToSRGB() {\n const data = this.image.data;\n if (this.type === FloatType2) {\n for (let i = 0, l = data.length; i < l; i += 4) {\n c.fromArray(data, i).convertLinearToSRGB().toArray(data, i);\n }\n this.colorSpace = SRGBColorSpace9;\n this.needsUpdate = true;\n } else {\n console.error(\"Color space conversion requires FloatType data\");\n }\n return this;\n }\n /**\n * Converts the output of this LUT into linear color space.\n *\n * @return {LookupTexture} This texture.\n */\n convertSRGBToLinear() {\n const data = this.image.data;\n if (this.type === FloatType2) {\n for (let i = 0, l = data.length; i < l; i += 4) {\n c.fromArray(data, i).convertSRGBToLinear().toArray(data, i);\n }\n this.colorSpace = LinearSRGBColorSpace3;\n this.needsUpdate = true;\n } else {\n console.error(\"Color space conversion requires FloatType data\");\n }\n return this;\n }\n /**\n * Converts this LUT into a 2D data texture.\n *\n * Please note that custom input domains are not carried over to 2D textures.\n *\n * @return {DataTexture} The texture.\n */\n toDataTexture() {\n const width = this.image.width;\n const height = this.image.height * this.image.depth;\n const texture = new DataTexture2(this.image.data, width, height);\n texture.name = this.name;\n texture.type = this.type;\n texture.format = this.format;\n texture.minFilter = LinearFilter3;\n texture.magFilter = LinearFilter3;\n texture.wrapS = this.wrapS;\n texture.wrapT = this.wrapT;\n texture.generateMipmaps = false;\n texture.needsUpdate = true;\n this.colorSpace = texture.colorSpace;\n return texture;\n }\n /**\n * Creates a new 3D LUT by copying a given LUT.\n *\n * Common image-based textures will be converted into 3D data textures.\n *\n * @param {Texture} texture - The LUT. Assumed to be cubic.\n * @return {LookupTexture} A new 3D LUT.\n */\n static from(texture) {\n const image = texture.image;\n const { width, height } = image;\n const size = Math.min(width, height);\n let data;\n if (image instanceof Image) {\n const rawImageData = RawImageData.from(image);\n const src = rawImageData.data;\n if (width > height) {\n data = new Uint8Array(src.length);\n for (let z = 0; z < size; ++z) {\n for (let y = 0; y < size; ++y) {\n for (let x = 0; x < size; ++x) {\n const i4 = (x + z * size + y * size * size) * 4;\n const j4 = (x + y * size + z * size * size) * 4;\n data[j4 + 0] = src[i4 + 0];\n data[j4 + 1] = src[i4 + 1];\n data[j4 + 2] = src[i4 + 2];\n data[j4 + 3] = src[i4 + 3];\n }\n }\n }\n } else {\n data = new Uint8Array(src.buffer);\n }\n } else {\n data = image.data.slice();\n }\n const lut = new _LookupTexture(data, size);\n lut.type = texture.type;\n lut.name = texture.name;\n texture.colorSpace = lut.colorSpace;\n return lut;\n }\n /**\n * Creates a neutral 3D LUT.\n *\n * @param {Number} size - The sidelength.\n * @return {LookupTexture} A neutral 3D LUT.\n */\n static createNeutral(size) {\n const data = new Float32Array(size ** 3 * 4);\n const sizeSq = size ** 2;\n const s = 1 / (size - 1);\n for (let r = 0; r < size; ++r) {\n for (let g = 0; g < size; ++g) {\n for (let b = 0; b < size; ++b) {\n const i4 = (r + g * size + b * sizeSq) * 4;\n data[i4 + 0] = r * s;\n data[i4 + 1] = g * s;\n data[i4 + 2] = b * s;\n data[i4 + 3] = 1;\n }\n }\n }\n const lut = new _LookupTexture(data, size);\n lut.name = \"neutral\";\n return lut;\n }\n};\n\n// src/effects/glsl/lut-3d.frag\nvar lut_3d_default = \"uniform vec3 scale;uniform vec3 offset;\\n#ifdef CUSTOM_INPUT_DOMAIN\\nuniform vec3 domainMin;uniform vec3 domainMax;\\n#endif\\n#ifdef LUT_3D\\n#ifdef LUT_PRECISION_HIGH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler3D lut;\\n#else\\nuniform mediump sampler3D lut;\\n#endif\\n#else\\nuniform lowp sampler3D lut;\\n#endif\\nvec4 applyLUT(const in vec3 rgb){\\n#ifdef TETRAHEDRAL_INTERPOLATION\\nvec3 p=floor(rgb);vec3 f=rgb-p;vec3 v1=(p+0.5)*LUT_TEXEL_WIDTH;vec3 v4=(p+1.5)*LUT_TEXEL_WIDTH;vec3 v2,v3;vec3 frac;if(f.r>=f.g){if(f.g>f.b){frac=f.rgb;v2=vec3(v4.x,v1.y,v1.z);v3=vec3(v4.x,v4.y,v1.z);}else if(f.r>=f.b){frac=f.rbg;v2=vec3(v4.x,v1.y,v1.z);v3=vec3(v4.x,v1.y,v4.z);}else{frac=f.brg;v2=vec3(v1.x,v1.y,v4.z);v3=vec3(v4.x,v1.y,v4.z);}}else{if(f.b>f.g){frac=f.bgr;v2=vec3(v1.x,v1.y,v4.z);v3=vec3(v1.x,v4.y,v4.z);}else if(f.r>=f.b){frac=f.grb;v2=vec3(v1.x,v4.y,v1.z);v3=vec3(v4.x,v4.y,v1.z);}else{frac=f.gbr;v2=vec3(v1.x,v4.y,v1.z);v3=vec3(v1.x,v4.y,v4.z);}}vec4 n1=texture(lut,v1);vec4 n2=texture(lut,v2);vec4 n3=texture(lut,v3);vec4 n4=texture(lut,v4);vec4 weights=vec4(1.0-frac.x,frac.x-frac.y,frac.y-frac.z,frac.z);vec4 result=weights*mat4(vec4(n1.r,n2.r,n3.r,n4.r),vec4(n1.g,n2.g,n3.g,n4.g),vec4(n1.b,n2.b,n3.b,n4.b),vec4(1.0));return vec4(result.rgb,1.0);\\n#else\\nreturn texture(lut,rgb);\\n#endif\\n}\\n#else\\n#ifdef LUT_PRECISION_HIGH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D lut;\\n#else\\nuniform mediump sampler2D lut;\\n#endif\\n#else\\nuniform lowp sampler2D lut;\\n#endif\\nvec4 applyLUT(const in vec3 rgb){float slice=rgb.b*LUT_SIZE;float slice0=floor(slice);float interp=slice-slice0;float centeredInterp=interp-0.5;float slice1=slice0+sign(centeredInterp);\\n#ifdef LUT_STRIP_HORIZONTAL\\nfloat xOffset=clamp(rgb.r*LUT_TEXEL_HEIGHT,LUT_TEXEL_WIDTH*0.5,LUT_TEXEL_HEIGHT-LUT_TEXEL_WIDTH*0.5);vec2 uv0=vec2(slice0*LUT_TEXEL_HEIGHT+xOffset,rgb.g);vec2 uv1=vec2(slice1*LUT_TEXEL_HEIGHT+xOffset,rgb.g);\\n#else\\nfloat yOffset=clamp(rgb.g*LUT_TEXEL_WIDTH,LUT_TEXEL_HEIGHT*0.5,LUT_TEXEL_WIDTH-LUT_TEXEL_HEIGHT*0.5);vec2 uv0=vec2(rgb.r,slice0*LUT_TEXEL_WIDTH+yOffset);vec2 uv1=vec2(rgb.r,slice1*LUT_TEXEL_WIDTH+yOffset);\\n#endif\\nvec4 sample0=texture2D(lut,uv0);vec4 sample1=texture2D(lut,uv1);return mix(sample0,sample1,abs(centeredInterp));}\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 c=inputColor.rgb;\\n#ifdef CUSTOM_INPUT_DOMAIN\\nif(c.r>=domainMin.r&&c.g>=domainMin.g&&c.b>=domainMin.b&&c.r<=domainMax.r&&c.g<=domainMax.g&&c.b<=domainMax.b){c=applyLUT(scale*c+offset).rgb;}else{c=inputColor.rgb;}\\n#else\\n#if !defined(LUT_3D) || defined(TETRAHEDRAL_INTERPOLATION)\\nc=clamp(c,0.0,1.0);\\n#endif\\nc=applyLUT(scale*c+offset).rgb;\\n#endif\\noutputColor=vec4(c,inputColor.a);}\";\n\n// src/effects/LUT3DEffect.js\nvar LUT3DEffect = class extends Effect {\n /**\n * Constructs a new color grading effect.\n *\n * @param {Texture} lut - The lookup texture.\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SRC] - The blend function of this effect.\n * @param {Boolean} [options.tetrahedralInterpolation=false] - Enables or disables tetrahedral interpolation.\n * @param {ColorSpace} [options.inputColorSpace=SRGBColorSpace] - The input color space.\n */\n constructor(lut, {\n blendFunction = BlendFunction.SRC,\n tetrahedralInterpolation = false,\n inputColorSpace = SRGBColorSpace10\n } = {}) {\n super(\"LUT3DEffect\", lut_3d_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"lut\", new Uniform26(null)],\n [\"scale\", new Uniform26(new Vector34())],\n [\"offset\", new Uniform26(new Vector34())],\n [\"domainMin\", new Uniform26(null)],\n [\"domainMax\", new Uniform26(null)]\n ])\n });\n this.tetrahedralInterpolation = tetrahedralInterpolation;\n this.inputColorSpace = inputColorSpace;\n this.lut = lut;\n }\n /**\n * The LUT.\n *\n * @type {Texture}\n */\n get lut() {\n return this.uniforms.get(\"lut\").value;\n }\n set lut(value) {\n const defines = this.defines;\n const uniforms = this.uniforms;\n if (this.lut !== value) {\n uniforms.get(\"lut\").value = value;\n if (value !== null) {\n const image = value.image;\n const tetrahedralInterpolation = this.tetrahedralInterpolation;\n defines.clear();\n defines.set(\"LUT_SIZE\", Math.min(image.width, image.height).toFixed(16));\n defines.set(\"LUT_TEXEL_WIDTH\", (1 / image.width).toFixed(16));\n defines.set(\"LUT_TEXEL_HEIGHT\", (1 / image.height).toFixed(16));\n uniforms.get(\"domainMin\").value = null;\n uniforms.get(\"domainMax\").value = null;\n if (value.type === FloatType3 || value.type === HalfFloatType2) {\n defines.set(\"LUT_PRECISION_HIGH\", \"1\");\n }\n if (image.width > image.height) {\n defines.set(\"LUT_STRIP_HORIZONTAL\", \"1\");\n } else if (value instanceof Data3DTexture2) {\n defines.set(\"LUT_3D\", \"1\");\n }\n if (value instanceof LookupTexture) {\n const min = value.domainMin;\n const max = value.domainMax;\n if (min.x !== 0 || min.y !== 0 || min.z !== 0 || max.x !== 1 || max.y !== 1 || max.z !== 1) {\n defines.set(\"CUSTOM_INPUT_DOMAIN\", \"1\");\n uniforms.get(\"domainMin\").value = min.clone();\n uniforms.get(\"domainMax\").value = max.clone();\n }\n }\n this.tetrahedralInterpolation = tetrahedralInterpolation;\n }\n }\n }\n /**\n * Returns the current LUT.\n *\n * @deprecated Use lut instead.\n * @return {Texture} The LUT.\n */\n getLUT() {\n return this.lut;\n }\n /**\n * Sets the LUT.\n *\n * @deprecated Use lut instead.\n * @param {Texture} value - The LUT.\n */\n setLUT(value) {\n this.lut = value;\n }\n /**\n * Updates the scale and offset for the LUT sampling coordinates.\n *\n * @private\n */\n updateScaleOffset() {\n const lut = this.lut;\n if (lut !== null) {\n const size = Math.min(lut.image.width, lut.image.height);\n const scale = this.uniforms.get(\"scale\").value;\n const offset = this.uniforms.get(\"offset\").value;\n if (this.tetrahedralInterpolation && lut instanceof Data3DTexture2) {\n if (this.defines.has(\"CUSTOM_INPUT_DOMAIN\")) {\n const domainScale = lut.domainMax.clone().sub(lut.domainMin);\n scale.setScalar(size - 1).divide(domainScale);\n offset.copy(lut.domainMin).negate().multiply(scale);\n } else {\n scale.setScalar(size - 1);\n offset.setScalar(0);\n }\n } else {\n if (this.defines.has(\"CUSTOM_INPUT_DOMAIN\")) {\n const domainScale = lut.domainMax.clone().sub(lut.domainMin).multiplyScalar(size);\n scale.setScalar(size - 1).divide(domainScale);\n offset.copy(lut.domainMin).negate().multiply(scale).addScalar(1 / (2 * size));\n } else {\n scale.setScalar((size - 1) / size);\n offset.setScalar(1 / (2 * size));\n }\n }\n }\n }\n /**\n * Configures parameters for tetrahedral interpolation.\n *\n * @private\n */\n configureTetrahedralInterpolation() {\n const lut = this.lut;\n if (lut !== null) {\n lut.minFilter = LinearFilter4;\n lut.magFilter = LinearFilter4;\n if (this.tetrahedralInterpolation) {\n if (lut instanceof Data3DTexture2) {\n lut.minFilter = NearestFilter2;\n lut.magFilter = NearestFilter2;\n } else {\n console.warn(\"Tetrahedral interpolation requires a 3D texture\");\n }\n }\n lut.needsUpdate = true;\n }\n }\n /**\n * Indicates whether tetrahedral interpolation is enabled. Requires a 3D LUT, disabled by default.\n *\n * Tetrahedral interpolation produces highly accurate results but is slower than hardware interpolation.\n *\n * @type {Boolean}\n */\n get tetrahedralInterpolation() {\n return this.defines.has(\"TETRAHEDRAL_INTERPOLATION\");\n }\n set tetrahedralInterpolation(value) {\n if (value) {\n this.defines.set(\"TETRAHEDRAL_INTERPOLATION\", \"1\");\n } else {\n this.defines.delete(\"TETRAHEDRAL_INTERPOLATION\");\n }\n this.configureTetrahedralInterpolation();\n this.updateScaleOffset();\n this.setChanged();\n }\n /**\n * Enables or disables tetrahedral interpolation.\n *\n * @deprecated Use tetrahedralInterpolation instead.\n * @param {Boolean} value - Whether tetrahedral interpolation should be enabled.\n */\n setTetrahedralInterpolationEnabled(value) {\n this.tetrahedralInterpolation = value;\n }\n};\n\n// src/enums/DepthCopyMode.js\nvar DepthCopyMode = {\n FULL: 0,\n SINGLE: 1\n};\n\n// src/enums/EdgeDetectionMode.js\nvar EdgeDetectionMode = {\n DEPTH: 0,\n LUMA: 1,\n COLOR: 2\n};\n\n// src/enums/PredicationMode.js\nvar PredicationMode = {\n DISABLED: 0,\n DEPTH: 1,\n CUSTOM: 2\n};\n\n// src/enums/SMAAPreset.js\nvar SMAAPreset = {\n LOW: 0,\n MEDIUM: 1,\n HIGH: 2,\n ULTRA: 3\n};\n\n// src/enums/ToneMappingMode.js\nvar ToneMappingMode = {\n LINEAR: 0,\n REINHARD: 1,\n REINHARD2: 2,\n REINHARD2_ADAPTIVE: 3,\n UNCHARTED2: 4,\n OPTIMIZED_CINEON: 5,\n CINEON: 5,\n ACES_FILMIC: 6,\n AGX: 7,\n NEUTRAL: 8\n};\n\n// src/enums/VignetteTechnique.js\nvar VignetteTechnique = {\n DEFAULT: 0,\n ESKIL: 1\n};\n\n// src/enums/WebGLExtension.js\nvar WebGLExtension = {\n DERIVATIVES: \"derivatives\",\n FRAG_DEPTH: \"fragDepth\",\n DRAW_BUFFERS: \"drawBuffers\",\n SHADER_TEXTURE_LOD: \"shaderTextureLOD\"\n};\n\n// src/effects/glsl/noise.frag\nvar noise_default = \"void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 noise=vec3(rand(uv*(1.0+time)));\\n#ifdef PREMULTIPLY\\noutputColor=vec4(min(inputColor.rgb*noise,vec3(1.0)),inputColor.a);\\n#else\\noutputColor=vec4(noise,inputColor.a);\\n#endif\\n}\";\n\n// src/effects/NoiseEffect.js\nvar NoiseEffect = class extends Effect {\n /**\n * Constructs a new noise effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SCREEN] - The blend function of this effect.\n * @param {Boolean} [options.premultiply=false] - Whether the noise should be multiplied with the input colors prior to blending.\n */\n constructor({ blendFunction = BlendFunction.SCREEN, premultiply = false } = {}) {\n super(\"NoiseEffect\", noise_default, { blendFunction });\n this.premultiply = premultiply;\n }\n /**\n * Indicates whether noise will be multiplied with the input colors prior to blending.\n *\n * @type {Boolean}\n */\n get premultiply() {\n return this.defines.has(\"PREMULTIPLY\");\n }\n set premultiply(value) {\n if (this.premultiply !== value) {\n if (value) {\n this.defines.set(\"PREMULTIPLY\", \"1\");\n } else {\n this.defines.delete(\"PREMULTIPLY\");\n }\n this.setChanged();\n }\n }\n /**\n * Indicates whether noise will be multiplied with the input colors prior to blending.\n *\n * @deprecated Use premultiply instead.\n * @return {Boolean} Whether noise is premultiplied.\n */\n isPremultiplied() {\n return this.premultiply;\n }\n /**\n * Controls whether noise should be multiplied with the input colors prior to blending.\n *\n * @deprecated Use premultiply instead.\n * @param {Boolean} value - Whether noise should be premultiplied.\n */\n setPremultiplied(value) {\n this.premultiply = value;\n }\n};\n\n// src/effects/OutlineEffect.js\nimport { Color as Color5, RepeatWrapping as RepeatWrapping2, Uniform as Uniform29, UnsignedByteType as UnsignedByteType11, WebGLRenderTarget as WebGLRenderTarget12 } from \"three\";\n\n// src/materials/DepthComparisonMaterial.js\nimport { NoBlending as NoBlending11, PerspectiveCamera as PerspectiveCamera3, RGBADepthPacking, ShaderMaterial as ShaderMaterial12, Uniform as Uniform27 } from \"three\";\n\n// src/materials/glsl/depth-comparison.frag\nvar depth_comparison_default = \"#include \\n#include \\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nuniform float cameraNear;uniform float cameraFar;centroid varying float vViewZ;centroid varying vec4 vProjTexCoord;void main(){\\n#include \\nvec2 projTexCoord=(vProjTexCoord.xy/vProjTexCoord.w)*0.5+0.5;projTexCoord=clamp(projTexCoord,0.002,0.998);\\n#if DEPTH_PACKING == 3201\\nfloat fragCoordZ=unpackRGBAToDepth(texture2D(depthBuffer,projTexCoord));\\n#else\\nfloat fragCoordZ=texture2D(depthBuffer,projTexCoord).r;\\n#endif\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(fragCoordZ,cameraNear,cameraFar);\\n#else\\nfloat viewZ=orthographicDepthToViewZ(fragCoordZ,cameraNear,cameraFar);\\n#endif\\nfloat depthTest=(-vViewZ>-viewZ)?1.0:0.0;gl_FragColor.rg=vec2(0.0,depthTest);}\";\n\n// src/materials/glsl/depth-comparison.vert\nvar depth_comparison_default2 = \"#include \\n#include \\n#include \\n#include \\nvarying float vViewZ;varying vec4 vProjTexCoord;void main(){\\n#include \\n#include \\n#include \\n#include \\n#include \\nvViewZ=mvPosition.z;vProjTexCoord=gl_Position;\\n#include \\n}\";\n\n// src/materials/DepthComparisonMaterial.js\nvar DepthComparisonMaterial = class extends ShaderMaterial12 {\n /**\n * Constructs a new depth comparison material.\n *\n * @param {Texture} [depthTexture=null] - A depth texture.\n * @param {PerspectiveCamera} [camera] - A camera.\n */\n constructor(depthTexture = null, camera) {\n super({\n name: \"DepthComparisonMaterial\",\n defines: {\n DEPTH_PACKING: \"0\"\n },\n uniforms: {\n depthBuffer: new Uniform27(null),\n cameraNear: new Uniform27(0.3),\n cameraFar: new Uniform27(1e3)\n },\n blending: NoBlending11,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: depth_comparison_default,\n vertexShader: depth_comparison_default2\n });\n this.depthBuffer = depthTexture;\n this.depthPacking = RGBADepthPacking;\n this.copyCameraSettings(camera);\n }\n /**\n * The depth buffer.\n *\n * @type {Texture}\n */\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n /**\n * The depth packing strategy.\n *\n * @type {DepthPackingStrategies}\n */\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the depth buffer.\n *\n * @deprecated Use depthBuffer and depthPacking instead.\n * @param {Texture} buffer - The depth texture.\n * @param {DepthPackingStrategies} [depthPacking=RGBADepthPacking] - The depth packing strategy.\n */\n setDepthBuffer(buffer, depthPacking = RGBADepthPacking) {\n this.depthBuffer = buffer;\n this.depthPacking = depthPacking;\n }\n /**\n * Copies the settings of the given camera.\n *\n * @deprecated Use copyCameraSettings instead.\n * @param {Camera} camera - A camera.\n */\n adoptCameraSettings(camera) {\n this.copyCameraSettings(camera);\n }\n /**\n * Copies the settings of the given camera.\n *\n * @param {Camera} camera - A camera.\n */\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNear.value = camera.near;\n this.uniforms.cameraFar.value = camera.far;\n if (camera instanceof PerspectiveCamera3) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n};\n\n// src/materials/OutlineMaterial.js\nimport { NoBlending as NoBlending12, ShaderMaterial as ShaderMaterial13, Uniform as Uniform28, Vector2 as Vector214 } from \"three\";\n\n// src/materials/glsl/outline.frag\nvar outline_default = \"uniform lowp sampler2D inputBuffer;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 c0=texture2D(inputBuffer,vUv0).rg;vec2 c1=texture2D(inputBuffer,vUv1).rg;vec2 c2=texture2D(inputBuffer,vUv2).rg;vec2 c3=texture2D(inputBuffer,vUv3).rg;float d0=(c0.x-c1.x)*0.5;float d1=(c2.x-c3.x)*0.5;float d=length(vec2(d0,d1));float a0=min(c0.y,c1.y);float a1=min(c2.y,c3.y);float visibilityFactor=min(a0,a1);gl_FragColor.rg=(1.0-visibilityFactor>0.001)?vec2(d,0.0):vec2(0.0,d);}\";\n\n// src/materials/glsl/outline.vert\nvar outline_default2 = \"uniform vec2 texelSize;varying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;void main(){vec2 uv=position.xy*0.5+0.5;vUv0=vec2(uv.x+texelSize.x,uv.y);vUv1=vec2(uv.x-texelSize.x,uv.y);vUv2=vec2(uv.x,uv.y+texelSize.y);vUv3=vec2(uv.x,uv.y-texelSize.y);gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/OutlineMaterial.js\nvar OutlineMaterial = class extends ShaderMaterial13 {\n /**\n * Constructs a new outline material.\n *\n * TODO Remove texelSize param.\n * @param {Vector2} [texelSize] - The screen texel size.\n */\n constructor(texelSize = new Vector214()) {\n super({\n name: \"OutlineMaterial\",\n uniforms: {\n inputBuffer: new Uniform28(null),\n texelSize: new Uniform28(new Vector214())\n },\n blending: NoBlending12,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: outline_default,\n vertexShader: outline_default2\n });\n this.uniforms.texelSize.value.set(texelSize.x, texelSize.y);\n this.uniforms.maskTexture = this.uniforms.inputBuffer;\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the input buffer.\n *\n * @deprecated Use inputBuffer instead.\n * @param {Texture} value - The input buffer.\n */\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the texel size.\n *\n * @deprecated Use setSize() instead.\n * @param {Number} x - The texel width.\n * @param {Number} y - The texel height.\n */\n setTexelSize(x, y) {\n this.uniforms.texelSize.value.set(x, y);\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/passes/DepthPass.js\nimport { Color as Color4, MeshDepthMaterial, NearestFilter as NearestFilter3, RGBADepthPacking as RGBADepthPacking2, WebGLRenderTarget as WebGLRenderTarget11 } from \"three\";\nvar DepthPass = class extends Pass {\n /**\n * Constructs a new depth pass.\n *\n * @param {Scene} scene - The scene to render.\n * @param {Camera} camera - The camera to use to render the scene.\n * @param {Object} [options] - The options.\n * @param {WebGLRenderTarget} [options.renderTarget] - A custom render target.\n * @param {Number} [options.resolutionScale=1.0] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n * @param {Number} [options.width=Resolution.AUTO_SIZE] - Deprecated. Use resolutionX instead.\n * @param {Number} [options.height=Resolution.AUTO_SIZE] - Deprecated. Use resolutionY instead.\n */\n constructor(scene, camera, {\n renderTarget,\n resolutionScale = 1,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"DepthPass\");\n this.needsSwap = false;\n this.renderPass = new RenderPass(scene, camera, new MeshDepthMaterial({\n depthPacking: RGBADepthPacking2\n }));\n const renderPass = this.renderPass;\n renderPass.skipShadowMapUpdate = true;\n renderPass.ignoreBackground = true;\n const clearPass = renderPass.clearPass;\n clearPass.overrideClearColor = new Color4(16777215);\n clearPass.overrideClearAlpha = 1;\n this.renderTarget = renderTarget;\n if (this.renderTarget === void 0) {\n this.renderTarget = new WebGLRenderTarget11(1, 1, {\n minFilter: NearestFilter3,\n magFilter: NearestFilter3\n });\n this.renderTarget.texture.name = \"DepthPass.Target\";\n }\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n set mainScene(value) {\n this.renderPass.mainScene = value;\n }\n set mainCamera(value) {\n this.renderPass.mainCamera = value;\n }\n /**\n * The depth texture.\n *\n * @type {Texture}\n */\n get texture() {\n return this.renderTarget.texture;\n }\n /**\n * Returns the depth texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.renderTarget.texture;\n }\n /**\n * Returns the resolution settings.\n *\n * @deprecated Use resolution instead.\n * @return {Resolution} The resolution.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * Returns the current resolution scale.\n *\n * @return {Number} The resolution scale.\n * @deprecated Use resolution instead.\n */\n getResolutionScale() {\n return this.resolution.scale;\n }\n /**\n * Sets the resolution scale.\n *\n * @param {Number} scale - The new resolution scale.\n * @deprecated Use resolution instead.\n */\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n /**\n * Renders the scene depth.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const renderTarget = this.renderToScreen ? null : this.renderTarget;\n this.renderPass.render(renderer, renderTarget);\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n }\n};\n\n// src/effects/glsl/outline.frag\nvar outline_default3 = \"uniform lowp sampler2D edgeTexture;uniform lowp sampler2D maskTexture;uniform vec3 visibleEdgeColor;uniform vec3 hiddenEdgeColor;uniform float pulse;uniform float edgeStrength;\\n#ifdef USE_PATTERN\\nuniform lowp sampler2D patternTexture;varying vec2 vUvPattern;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec2 edge=texture2D(edgeTexture,uv).rg;vec2 mask=texture2D(maskTexture,uv).rg;\\n#ifndef X_RAY\\nedge.y=0.0;\\n#endif\\nedge*=(edgeStrength*mask.x*pulse);vec3 color=edge.x*visibleEdgeColor+edge.y*hiddenEdgeColor;float visibilityFactor=0.0;\\n#ifdef USE_PATTERN\\nvec4 patternColor=texture2D(patternTexture,vUvPattern);\\n#ifdef X_RAY\\nfloat hiddenFactor=0.5;\\n#else\\nfloat hiddenFactor=0.0;\\n#endif\\nvisibilityFactor=(1.0-mask.y>0.0)?1.0:hiddenFactor;visibilityFactor*=(1.0-mask.x)*patternColor.a;color+=visibilityFactor*patternColor.rgb;\\n#endif\\nfloat alpha=max(max(edge.x,edge.y),visibilityFactor);\\n#ifdef ALPHA\\noutputColor=vec4(color,alpha);\\n#else\\noutputColor=vec4(color,max(alpha,inputColor.a));\\n#endif\\n}\";\n\n// src/effects/glsl/outline.vert\nvar outline_default4 = \"uniform float patternScale;varying vec2 vUvPattern;void mainSupport(const in vec2 uv){vUvPattern=uv*vec2(aspect,1.0)*patternScale;}\";\n\n// src/effects/OutlineEffect.js\nvar OutlineEffect = class extends Effect {\n /**\n * Constructs a new outline effect.\n *\n * @param {Scene} scene - The main scene.\n * @param {Camera} camera - The main camera.\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SCREEN] - The blend function. Use `BlendFunction.ALPHA` for dark outlines.\n * @param {Texture} [options.patternTexture=null] - A pattern texture.\n * @param {Number} [options.patternScale=1.0] - The pattern scale.\n * @param {Number} [options.edgeStrength=1.0] - The edge strength.\n * @param {Number} [options.pulseSpeed=0.0] - The pulse speed. A value of zero disables the pulse effect.\n * @param {Number} [options.visibleEdgeColor=0xffffff] - The color of visible edges.\n * @param {Number} [options.hiddenEdgeColor=0x22090a] - The color of hidden edges.\n * @param {KernelSize} [options.kernelSize=KernelSize.VERY_SMALL] - The blur kernel size.\n * @param {Boolean} [options.blur=false] - Whether the outline should be blurred.\n * @param {Boolean} [options.xRay=true] - Whether occluded parts of selected objects should be visible.\n * @param {Number} [options.multisampling=0] - The number of samples used for multisample antialiasing. Requires WebGL 2.\n * @param {Number} [options.resolutionScale=0.5] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n * @param {Number} [options.width=Resolution.AUTO_SIZE] - Deprecated. Use resolutionX instead.\n * @param {Number} [options.height=Resolution.AUTO_SIZE] - Deprecated. Use resolutionY instead.\n */\n constructor(scene, camera, {\n blendFunction = BlendFunction.SCREEN,\n patternTexture = null,\n patternScale = 1,\n edgeStrength = 1,\n pulseSpeed = 0,\n visibleEdgeColor = 16777215,\n hiddenEdgeColor = 2230538,\n kernelSize = KernelSize.VERY_SMALL,\n blur = false,\n xRay = true,\n multisampling = 0,\n resolutionScale = 0.5,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"OutlineEffect\", outline_default3, {\n uniforms: /* @__PURE__ */ new Map([\n [\"maskTexture\", new Uniform29(null)],\n [\"edgeTexture\", new Uniform29(null)],\n [\"edgeStrength\", new Uniform29(edgeStrength)],\n [\"visibleEdgeColor\", new Uniform29(new Color5(visibleEdgeColor))],\n [\"hiddenEdgeColor\", new Uniform29(new Color5(hiddenEdgeColor))],\n [\"pulse\", new Uniform29(1)],\n [\"patternScale\", new Uniform29(patternScale)],\n [\"patternTexture\", new Uniform29(null)]\n ])\n });\n this.blendMode.addEventListener(\"change\", (event) => {\n if (this.blendMode.blendFunction === BlendFunction.ALPHA) {\n this.defines.set(\"ALPHA\", \"1\");\n } else {\n this.defines.delete(\"ALPHA\");\n }\n this.setChanged();\n });\n this.blendMode.blendFunction = blendFunction;\n this.patternTexture = patternTexture;\n this.xRay = xRay;\n this.scene = scene;\n this.camera = camera;\n this.renderTargetMask = new WebGLRenderTarget12(1, 1);\n this.renderTargetMask.samples = multisampling;\n this.renderTargetMask.texture.name = \"Outline.Mask\";\n this.uniforms.get(\"maskTexture\").value = this.renderTargetMask.texture;\n this.renderTargetOutline = new WebGLRenderTarget12(1, 1, { depthBuffer: false });\n this.renderTargetOutline.texture.name = \"Outline.Edges\";\n this.uniforms.get(\"edgeTexture\").value = this.renderTargetOutline.texture;\n this.clearPass = new ClearPass();\n this.clearPass.overrideClearColor = new Color5(0);\n this.clearPass.overrideClearAlpha = 1;\n this.depthPass = new DepthPass(scene, camera);\n this.maskPass = new RenderPass(scene, camera, new DepthComparisonMaterial(this.depthPass.texture, camera));\n const clearPass = this.maskPass.clearPass;\n clearPass.overrideClearColor = new Color5(16777215);\n clearPass.overrideClearAlpha = 1;\n this.blurPass = new KawaseBlurPass({ resolutionScale, resolutionX, resolutionY, kernelSize });\n this.blurPass.enabled = blur;\n const resolution = this.blurPass.resolution;\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.outlinePass = new ShaderPass(new OutlineMaterial());\n const outlineMaterial = this.outlinePass.fullscreenMaterial;\n outlineMaterial.inputBuffer = this.renderTargetMask.texture;\n this.time = 0;\n this.forceUpdate = true;\n this.selection = new Selection();\n this.pulseSpeed = pulseSpeed;\n }\n set mainScene(value) {\n this.scene = value;\n this.depthPass.mainScene = value;\n this.maskPass.mainScene = value;\n }\n set mainCamera(value) {\n this.camera = value;\n this.depthPass.mainCamera = value;\n this.maskPass.mainCamera = value;\n this.maskPass.overrideMaterial.copyCameraSettings(value);\n }\n /**\n * The resolution of this effect.\n *\n * @type {Resolution}\n */\n get resolution() {\n return this.blurPass.resolution;\n }\n /**\n * Returns the resolution.\n *\n * @return {Resizer} The resolution.\n */\n getResolution() {\n return this.blurPass.getResolution();\n }\n /**\n * The amount of MSAA samples.\n *\n * Requires WebGL 2. Set to zero to disable multisampling.\n *\n * @experimental Requires three >= r138.\n * @type {Number}\n */\n get multisampling() {\n return this.renderTargetMask.samples;\n }\n set multisampling(value) {\n this.renderTargetMask.samples = value;\n this.renderTargetMask.dispose();\n }\n /**\n * The pattern scale.\n *\n * @type {Number}\n */\n get patternScale() {\n return this.uniforms.get(\"patternScale\").value;\n }\n set patternScale(value) {\n this.uniforms.get(\"patternScale\").value = value;\n }\n /**\n * The edge strength.\n *\n * @type {Number}\n */\n get edgeStrength() {\n return this.uniforms.get(\"edgeStrength\").value;\n }\n set edgeStrength(value) {\n this.uniforms.get(\"edgeStrength\").value = value;\n }\n /**\n * The visible edge color.\n *\n * @type {Color}\n */\n get visibleEdgeColor() {\n return this.uniforms.get(\"visibleEdgeColor\").value;\n }\n set visibleEdgeColor(value) {\n this.uniforms.get(\"visibleEdgeColor\").value = value;\n }\n /**\n * The hidden edge color.\n *\n * @type {Color}\n */\n get hiddenEdgeColor() {\n return this.uniforms.get(\"hiddenEdgeColor\").value;\n }\n set hiddenEdgeColor(value) {\n this.uniforms.get(\"hiddenEdgeColor\").value = value;\n }\n /**\n * Returns the blur pass.\n *\n * @deprecated Use blurPass instead.\n * @return {KawaseBlurPass} The blur pass.\n */\n getBlurPass() {\n return this.blurPass;\n }\n /**\n * Returns the selection.\n *\n * @deprecated Use selection instead.\n * @return {Selection} The selection.\n */\n getSelection() {\n return this.selection;\n }\n /**\n * Returns the pulse speed.\n *\n * @deprecated Use pulseSpeed instead.\n * @return {Number} The speed.\n */\n getPulseSpeed() {\n return this.pulseSpeed;\n }\n /**\n * Sets the pulse speed. Set to zero to disable.\n *\n * @deprecated Use pulseSpeed instead.\n * @param {Number} value - The speed.\n */\n setPulseSpeed(value) {\n this.pulseSpeed = value;\n }\n /**\n * The current width of the internal render targets.\n *\n * @type {Number}\n * @deprecated Use resolution.width instead.\n */\n get width() {\n return this.resolution.width;\n }\n set width(value) {\n this.resolution.preferredWidth = value;\n }\n /**\n * The current height of the internal render targets.\n *\n * @type {Number}\n * @deprecated Use resolution.height instead.\n */\n get height() {\n return this.resolution.height;\n }\n set height(value) {\n this.resolution.preferredHeight = value;\n }\n /**\n * The selection layer.\n *\n * @type {Number}\n * @deprecated Use selection.layer instead.\n */\n get selectionLayer() {\n return this.selection.layer;\n }\n set selectionLayer(value) {\n this.selection.layer = value;\n }\n /**\n * Indicates whether dithering is enabled.\n *\n * @type {Boolean}\n * @deprecated\n */\n get dithering() {\n return this.blurPass.dithering;\n }\n set dithering(value) {\n this.blurPass.dithering = value;\n }\n /**\n * The blur kernel size.\n *\n * @type {KernelSize}\n * @deprecated Use blurPass.kernelSize instead.\n */\n get kernelSize() {\n return this.blurPass.kernelSize;\n }\n set kernelSize(value) {\n this.blurPass.kernelSize = value;\n }\n /**\n * Indicates whether the outlines should be blurred.\n *\n * @type {Boolean}\n * @deprecated Use blurPass.enabled instead.\n */\n get blur() {\n return this.blurPass.enabled;\n }\n set blur(value) {\n this.blurPass.enabled = value;\n }\n /**\n * Indicates whether X-ray mode is enabled.\n *\n * @type {Boolean}\n */\n get xRay() {\n return this.defines.has(\"X_RAY\");\n }\n set xRay(value) {\n if (this.xRay !== value) {\n if (value) {\n this.defines.set(\"X_RAY\", \"1\");\n } else {\n this.defines.delete(\"X_RAY\");\n }\n this.setChanged();\n }\n }\n /**\n * Indicates whether X-ray mode is enabled.\n *\n * @deprecated Use xRay instead.\n * @return {Boolean} Whether X-ray mode is enabled.\n */\n isXRayEnabled() {\n return this.xRay;\n }\n /**\n * Enables or disables X-ray outlines.\n *\n * @deprecated Use xRay instead.\n * @param {Boolean} value - Whether X-ray should be enabled.\n */\n setXRayEnabled(value) {\n this.xRay = value;\n }\n /**\n * The pattern texture. Set to `null` to disable.\n *\n * @type {Texture}\n */\n get patternTexture() {\n return this.uniforms.get(\"patternTexture\").value;\n }\n set patternTexture(value) {\n if (value !== null) {\n value.wrapS = value.wrapT = RepeatWrapping2;\n this.defines.set(\"USE_PATTERN\", \"1\");\n this.setVertexShader(outline_default4);\n } else {\n this.defines.delete(\"USE_PATTERN\");\n this.setVertexShader(null);\n }\n this.uniforms.get(\"patternTexture\").value = value;\n this.setChanged();\n }\n /**\n * Sets the pattern texture.\n *\n * @deprecated Use patternTexture instead.\n * @param {Texture} value - The new texture.\n */\n setPatternTexture(value) {\n this.patternTexture = value;\n }\n /**\n * Returns the current resolution scale.\n *\n * @return {Number} The resolution scale.\n * @deprecated Use resolution instead.\n */\n getResolutionScale() {\n return this.resolution.scale;\n }\n /**\n * Sets the resolution scale.\n *\n * @param {Number} scale - The new resolution scale.\n * @deprecated Use resolution instead.\n */\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n /**\n * Clears the current selection and selects a list of objects.\n *\n * @param {Object3D[]} objects - The objects that should be outlined. This array will be copied.\n * @return {OutlinePass} This pass.\n * @deprecated Use selection.set() instead.\n */\n setSelection(objects) {\n this.selection.set(objects);\n return this;\n }\n /**\n * Clears the list of selected objects.\n *\n * @return {OutlinePass} This pass.\n * @deprecated Use selection.clear() instead.\n */\n clearSelection() {\n this.selection.clear();\n return this;\n }\n /**\n * Selects an object.\n *\n * @param {Object3D} object - The object that should be outlined.\n * @return {OutlinePass} This pass.\n * @deprecated Use selection.add() instead.\n */\n selectObject(object) {\n this.selection.add(object);\n return this;\n }\n /**\n * Deselects an object.\n *\n * @param {Object3D} object - The object that should no longer be outlined.\n * @return {OutlinePass} This pass.\n * @deprecated Use selection.delete() instead.\n */\n deselectObject(object) {\n this.selection.delete(object);\n return this;\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n const scene = this.scene;\n const camera = this.camera;\n const selection = this.selection;\n const uniforms = this.uniforms;\n const pulse = uniforms.get(\"pulse\");\n const background = scene.background;\n const mask = camera.layers.mask;\n if (this.forceUpdate || selection.size > 0) {\n scene.background = null;\n pulse.value = 1;\n if (this.pulseSpeed > 0) {\n pulse.value = Math.cos(this.time * this.pulseSpeed * 10) * 0.375 + 0.625;\n }\n this.time += deltaTime;\n selection.setVisible(false);\n this.depthPass.render(renderer);\n selection.setVisible(true);\n camera.layers.set(selection.layer);\n this.maskPass.render(renderer, this.renderTargetMask);\n camera.layers.mask = mask;\n scene.background = background;\n this.outlinePass.render(renderer, null, this.renderTargetOutline);\n if (this.blurPass.enabled) {\n this.blurPass.render(renderer, this.renderTargetOutline, this.renderTargetOutline);\n }\n }\n this.forceUpdate = selection.size > 0;\n }\n /**\n * Updates the size of internal render targets.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.blurPass.setSize(width, height);\n this.renderTargetMask.setSize(width, height);\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.depthPass.setSize(w, h);\n this.renderTargetOutline.setSize(w, h);\n this.outlinePass.fullscreenMaterial.setSize(w, h);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n this.blurPass.initialize(renderer, alpha, UnsignedByteType11);\n if (frameBufferType !== void 0) {\n this.depthPass.initialize(renderer, alpha, frameBufferType);\n this.maskPass.initialize(renderer, alpha, frameBufferType);\n this.outlinePass.initialize(renderer, alpha, frameBufferType);\n }\n }\n};\n\n// src/effects/PixelationEffect.js\nimport { Uniform as Uniform30, Vector2 as Vector215, Vector4 as Vector42 } from \"three\";\n\n// src/effects/glsl/pixelation.frag\nvar pixelation_default = \"uniform bool active;uniform vec4 d;void mainUv(inout vec2 uv){if(active){uv=d.xy*(floor(uv*d.zw)+0.5);}}\";\n\n// src/effects/PixelationEffect.js\nvar PixelationEffect = class extends Effect {\n /**\n * Constructs a new pixelation effect.\n *\n * @param {Object} [granularity=30.0] - The pixel granularity.\n */\n constructor(granularity = 30) {\n super(\"PixelationEffect\", pixelation_default, {\n uniforms: /* @__PURE__ */ new Map([\n [\"active\", new Uniform30(false)],\n [\"d\", new Uniform30(new Vector42())]\n ])\n });\n this.resolution = new Vector215();\n this._granularity = 0;\n this.granularity = granularity;\n }\n /**\n * The pixel granularity.\n *\n * A higher value yields coarser visuals.\n *\n * @type {Number}\n */\n get granularity() {\n return this._granularity;\n }\n set granularity(value) {\n let d = Math.floor(value);\n if (d % 2 > 0) {\n d += 1;\n }\n this._granularity = d;\n this.uniforms.get(\"active\").value = d > 0;\n this.setSize(this.resolution.width, this.resolution.height);\n }\n /**\n * Returns the pixel granularity.\n *\n * @deprecated Use granularity instead.\n * @return {Number} The granularity.\n */\n getGranularity() {\n return this.granularity;\n }\n /**\n * Sets the pixel granularity.\n *\n * @deprecated Use granularity instead.\n * @param {Number} value - The new granularity.\n */\n setGranularity(value) {\n this.granularity = value;\n }\n /**\n * Updates the granularity.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.set(width, height);\n const d = this.granularity;\n const x = d / resolution.x;\n const y = d / resolution.y;\n this.uniforms.get(\"d\").value.set(x, y, 1 / x, 1 / y);\n }\n};\n\n// src/effects/RealisticBokehEffect.js\nimport { Uniform as Uniform31, Vector4 as Vector43 } from \"three\";\n\n// src/effects/glsl/realistic-bokeh.frag\nvar realistic_bokeh_default = \"uniform float focus;uniform float focalLength;uniform float fStop;uniform float maxBlur;uniform float luminanceThreshold;uniform float luminanceGain;uniform float bias;uniform float fringe;\\n#ifdef MANUAL_DOF\\nuniform vec4 dof;\\n#endif\\n#ifdef PENTAGON\\nfloat pentagon(const in vec2 coords){const vec4 HS0=vec4(1.0,0.0,0.0,1.0);const vec4 HS1=vec4(0.309016994,0.951056516,0.0,1.0);const vec4 HS2=vec4(-0.809016994,0.587785252,0.0,1.0);const vec4 HS3=vec4(-0.809016994,-0.587785252,0.0,1.0);const vec4 HS4=vec4(0.309016994,-0.951056516,0.0,1.0);const vec4 HS5=vec4(0.0,0.0,1.0,1.0);const vec4 ONE=vec4(1.0);const float P_FEATHER=0.4;const float N_FEATHER=-P_FEATHER;float inOrOut=-4.0;vec4 P=vec4(coords,vec2(RINGS_FLOAT-1.3));vec4 dist=vec4(dot(P,HS0),dot(P,HS1),dot(P,HS2),dot(P,HS3));dist=smoothstep(N_FEATHER,P_FEATHER,dist);inOrOut+=dot(dist,ONE);dist.x=dot(P,HS4);dist.y=HS5.w-abs(P.z);dist=smoothstep(N_FEATHER,P_FEATHER,dist);inOrOut+=dist.x;return clamp(inOrOut,0.0,1.0);}\\n#endif\\nvec3 processTexel(const in vec2 coords,const in float blur){vec2 scale=texelSize*fringe*blur;vec3 c=vec3(texture2D(inputBuffer,coords+vec2(0.0,1.0)*scale).r,texture2D(inputBuffer,coords+vec2(-0.866,-0.5)*scale).g,texture2D(inputBuffer,coords+vec2(0.866,-0.5)*scale).b);float luminance=linearToRelativeLuminance(c);float threshold=max((luminance-luminanceThreshold)*luminanceGain,0.0);return c+mix(vec3(0.0),c,threshold*blur);}float gather(const in float i,const in float j,const in float ringSamples,const in vec2 uv,const in vec2 blurFactor,const in float blur,inout vec3 color){float step=PI2/ringSamples;vec2 wh=vec2(cos(j*step)*i,sin(j*step)*i);\\n#ifdef PENTAGON\\nfloat p=pentagon(wh);\\n#else\\nfloat p=1.0;\\n#endif\\ncolor+=processTexel(wh*blurFactor+uv,blur)*mix(1.0,i/RINGS_FLOAT,bias)*p;return mix(1.0,i/RINGS_FLOAT,bias)*p;}void mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){\\n#ifdef PERSPECTIVE_CAMERA\\nfloat viewZ=perspectiveDepthToViewZ(depth,cameraNear,cameraFar);float linearDepth=viewZToOrthographicDepth(viewZ,cameraNear,cameraFar);\\n#else\\nfloat linearDepth=depth;\\n#endif\\n#ifdef MANUAL_DOF\\nfloat focalPlane=linearDepth-focus;float farDoF=(focalPlane-dof.z)/dof.w;float nearDoF=(-focalPlane-dof.x)/dof.y;float blur=(focalPlane>0.0)?farDoF:nearDoF;\\n#else\\nconst float CIRCLE_OF_CONFUSION=0.03;float focalPlaneMM=focus*1000.0;float depthMM=linearDepth*1000.0;float focalPlane=(depthMM*focalLength)/(depthMM-focalLength);float farDoF=(focalPlaneMM*focalLength)/(focalPlaneMM-focalLength);float nearDoF=(focalPlaneMM-focalLength)/(focalPlaneMM*fStop*CIRCLE_OF_CONFUSION);float blur=abs(focalPlane-farDoF)*nearDoF;\\n#endif\\nconst int MAX_RING_SAMPLES=RINGS_INT*SAMPLES_INT;blur=clamp(blur,0.0,1.0);vec3 color=inputColor.rgb;if(blur>=0.05){vec2 blurFactor=blur*maxBlur*texelSize;float s=1.0;int ringSamples;for(int i=1;i<=RINGS_INT;i++){ringSamples=i*SAMPLES_INT;for(int j=0;j=ringSamples){break;}s+=gather(float(i),float(j),float(ringSamples),uv,blurFactor,blur,color);}}color/=s;}\\n#ifdef SHOW_FOCUS\\nfloat edge=0.002*linearDepth;float m=clamp(smoothstep(0.0,edge,blur),0.0,1.0);float e=clamp(smoothstep(1.0-edge,1.0,blur),0.0,1.0);color=mix(color,vec3(1.0,0.5,0.0),(1.0-m)*0.6);color=mix(color,vec3(0.0,0.5,1.0),((1.0-e)-(1.0-m))*0.2);\\n#endif\\noutputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/RealisticBokehEffect.js\nvar RealisticBokehEffect = class extends Effect {\n /**\n * Constructs a new bokeh effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction] - The blend function of this effect.\n * @param {Number} [options.focus=1.0] - The focus distance in world units.\n * @param {Number} [options.focalLength=24.0] - The focal length of the main camera.\n * @param {Number} [options.fStop=0.9] - The ratio of the lens focal length to the diameter of the entrance pupil (aperture).\n * @param {Number} [options.luminanceThreshold=0.5] - A luminance threshold.\n * @param {Number} [options.luminanceGain=2.0] - A luminance gain factor.\n * @param {Number} [options.bias=0.5] - A blur bias.\n * @param {Number} [options.fringe=0.7] - A blur offset.\n * @param {Number} [options.maxBlur=1.0] - The maximum blur strength.\n * @param {Boolean} [options.rings=3] - The number of blur iterations.\n * @param {Boolean} [options.samples=2] - The amount of samples taken per ring.\n * @param {Boolean} [options.showFocus=false] - Whether the focal point should be highlighted. Useful for debugging.\n * @param {Boolean} [options.manualDoF=false] - Enables manual control over the depth of field.\n * @param {Boolean} [options.pentagon=false] - Enables pentagonal blur shapes. Requires a high number of rings and samples.\n */\n constructor({\n blendFunction,\n focus = 1,\n focalLength = 24,\n fStop = 0.9,\n luminanceThreshold = 0.5,\n luminanceGain = 2,\n bias = 0.5,\n fringe = 0.7,\n maxBlur = 1,\n rings = 3,\n samples = 2,\n showFocus = false,\n manualDoF = false,\n pentagon = false\n } = {}) {\n super(\"RealisticBokehEffect\", realistic_bokeh_default, {\n blendFunction,\n attributes: EffectAttribute.CONVOLUTION | EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"focus\", new Uniform31(focus)],\n [\"focalLength\", new Uniform31(focalLength)],\n [\"fStop\", new Uniform31(fStop)],\n [\"luminanceThreshold\", new Uniform31(luminanceThreshold)],\n [\"luminanceGain\", new Uniform31(luminanceGain)],\n [\"bias\", new Uniform31(bias)],\n [\"fringe\", new Uniform31(fringe)],\n [\"maxBlur\", new Uniform31(maxBlur)],\n [\"dof\", new Uniform31(null)]\n ])\n });\n this.rings = rings;\n this.samples = samples;\n this.showFocus = showFocus;\n this.manualDoF = manualDoF;\n this.pentagon = pentagon;\n }\n /**\n * The amount of blur iterations.\n *\n * @type {Number}\n */\n get rings() {\n return Number.parseInt(this.defines.get(\"RINGS_INT\"));\n }\n set rings(value) {\n const r = Math.floor(value);\n this.defines.set(\"RINGS_INT\", r.toFixed(0));\n this.defines.set(\"RINGS_FLOAT\", r.toFixed(1));\n this.setChanged();\n }\n /**\n * The amount of blur samples per ring.\n *\n * @type {Number}\n */\n get samples() {\n return Number.parseInt(this.defines.get(\"SAMPLES_INT\"));\n }\n set samples(value) {\n const s = Math.floor(value);\n this.defines.set(\"SAMPLES_INT\", s.toFixed(0));\n this.defines.set(\"SAMPLES_FLOAT\", s.toFixed(1));\n this.setChanged();\n }\n /**\n * Indicates whether the focal point will be highlighted.\n *\n * @type {Boolean}\n */\n get showFocus() {\n return this.defines.has(\"SHOW_FOCUS\");\n }\n set showFocus(value) {\n if (this.showFocus !== value) {\n if (value) {\n this.defines.set(\"SHOW_FOCUS\", \"1\");\n } else {\n this.defines.delete(\"SHOW_FOCUS\");\n }\n this.setChanged();\n }\n }\n /**\n * Indicates whether the Depth of Field should be calculated manually.\n *\n * If enabled, the Depth of Field can be adjusted via the `dof` uniform.\n *\n * @type {Boolean}\n */\n get manualDoF() {\n return this.defines.has(\"MANUAL_DOF\");\n }\n set manualDoF(value) {\n if (this.manualDoF !== value) {\n if (value) {\n this.defines.set(\"MANUAL_DOF\", \"1\");\n this.uniforms.get(\"dof\").value = new Vector43(0.2, 1, 0.2, 2);\n } else {\n this.defines.delete(\"MANUAL_DOF\");\n this.uniforms.get(\"dof\").value = null;\n }\n this.setChanged();\n }\n }\n /**\n * Indicates whether the blur shape should be pentagonal.\n *\n * @type {Boolean}\n */\n get pentagon() {\n return this.defines.has(\"PENTAGON\");\n }\n set pentagon(value) {\n if (this.pentagon !== value) {\n if (value) {\n this.defines.set(\"PENTAGON\", \"1\");\n } else {\n this.defines.delete(\"PENTAGON\");\n }\n this.setChanged();\n }\n }\n};\n\n// src/effects/ScanlineEffect.js\nimport { Uniform as Uniform32, Vector2 as Vector216 } from \"three\";\n\n// src/effects/glsl/scanlines.frag\nvar scanlines_default = \"uniform float count;\\n#ifdef SCROLL\\nuniform float scrollSpeed;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){float y=uv.y;\\n#ifdef SCROLL\\ny+=time*scrollSpeed;\\n#endif\\nvec2 sl=vec2(sin(y*count),cos(y*count));outputColor=vec4(sl.xyx,inputColor.a);}\";\n\n// src/effects/ScanlineEffect.js\nvar ScanlineEffect = class extends Effect {\n /**\n * Constructs a new scanline effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.OVERLAY] - The blend function of this effect.\n * @param {Number} [options.density=1.25] - The scanline density.\n * @param {Number} [options.scrollSpeed=0.0] - The scanline scroll speed.\n */\n constructor({ blendFunction = BlendFunction.OVERLAY, density = 1.25, scrollSpeed = 0 } = {}) {\n super(\"ScanlineEffect\", scanlines_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"count\", new Uniform32(0)],\n [\"scrollSpeed\", new Uniform32(0)]\n ])\n });\n this.resolution = new Vector216();\n this.d = density;\n this.scrollSpeed = scrollSpeed;\n }\n /**\n * The scanline density.\n *\n * @type {Number}\n */\n get density() {\n return this.d;\n }\n set density(value) {\n this.d = value;\n this.setSize(this.resolution.width, this.resolution.height);\n }\n /**\n * Returns the current scanline density.\n *\n * @deprecated Use density instead.\n * @return {Number} The scanline density.\n */\n getDensity() {\n return this.density;\n }\n /**\n * Sets the scanline density.\n *\n * @deprecated Use density instead.\n * @param {Number} value - The new scanline density.\n */\n setDensity(value) {\n this.density = value;\n }\n /**\n * The scanline scroll speed. Default is 0 (disabled).\n *\n * @type {Number}\n */\n get scrollSpeed() {\n return this.uniforms.get(\"scrollSpeed\").value;\n }\n set scrollSpeed(value) {\n this.uniforms.get(\"scrollSpeed\").value = value;\n if (value === 0) {\n if (this.defines.delete(\"SCROLL\")) {\n this.setChanged();\n }\n } else if (!this.defines.has(\"SCROLL\")) {\n this.defines.set(\"SCROLL\", \"1\");\n this.setChanged();\n }\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.resolution.set(width, height);\n this.uniforms.get(\"count\").value = Math.round(height * this.density);\n }\n};\n\n// src/effects/ShockWaveEffect.js\nimport { Uniform as Uniform33, Vector2 as Vector217, Vector3 as Vector35 } from \"three\";\n\n// src/effects/glsl/shock-wave.frag\nvar shock_wave_default = \"uniform bool active;uniform vec2 center;uniform float waveSize;uniform float radius;uniform float maxRadius;uniform float amplitude;varying float vSize;void mainUv(inout vec2 uv){if(active){vec2 aspectCorrection=vec2(aspect,1.0);vec2 difference=uv*aspectCorrection-center*aspectCorrection;float distance=sqrt(dot(difference,difference))*vSize;if(distance>radius){if(distance HALF_PI;\n if (uActive.value) {\n uniforms.get(\"cameraDistance\").value = camera.position.distanceTo(position);\n v2.copy(position).project(camera);\n this.screenPosition.set((v2.x + 1) * 0.5, (v2.y + 1) * 0.5);\n }\n this.time += delta * this.speed;\n const radius = this.time - waveSize;\n uniforms.get(\"radius\").value = radius;\n if (radius >= (uniforms.get(\"maxRadius\").value + waveSize) * 2) {\n this.active = false;\n uActive.value = false;\n }\n }\n }\n};\n\n// src/effects/SelectiveBloomEffect.js\nimport {\n BasicDepthPacking as BasicDepthPacking7,\n Color as Color6,\n NotEqualDepth as NotEqualDepth2,\n EqualDepth as EqualDepth2,\n RGBADepthPacking as RGBADepthPacking3,\n SRGBColorSpace as SRGBColorSpace11,\n WebGLRenderTarget as WebGLRenderTarget13\n} from \"three\";\nvar SelectiveBloomEffect = class extends BloomEffect {\n /**\n * Constructs a new selective bloom effect.\n *\n * @param {Scene} scene - The main scene.\n * @param {Camera} camera - The main camera.\n * @param {Object} [options] - The options. See {@link BloomEffect} for details.\n */\n constructor(scene, camera, options) {\n super(options);\n this.setAttributes(this.getAttributes() | EffectAttribute.DEPTH);\n this.camera = camera;\n this.depthPass = new DepthPass(scene, camera);\n this.clearPass = new ClearPass(true, false, false);\n this.clearPass.overrideClearColor = new Color6(0);\n this.depthMaskPass = new ShaderPass(new DepthMaskMaterial());\n const depthMaskMaterial = this.depthMaskMaterial;\n depthMaskMaterial.copyCameraSettings(camera);\n depthMaskMaterial.depthBuffer1 = this.depthPass.texture;\n depthMaskMaterial.depthPacking1 = RGBADepthPacking3;\n depthMaskMaterial.depthMode = EqualDepth2;\n this.renderTargetMasked = new WebGLRenderTarget13(1, 1, { depthBuffer: false });\n this.renderTargetMasked.texture.name = \"Bloom.Masked\";\n this.selection = new Selection();\n this._inverted = false;\n this._ignoreBackground = false;\n }\n set mainScene(value) {\n this.depthPass.mainScene = value;\n }\n set mainCamera(value) {\n this.camera = value;\n this.depthPass.mainCamera = value;\n this.depthMaskMaterial.copyCameraSettings(value);\n }\n /**\n * Returns the selection.\n *\n * @deprecated Use selection instead.\n * @return {Selection} The selection.\n */\n getSelection() {\n return this.selection;\n }\n /**\n * The depth mask material.\n *\n * @type {DepthMaskMaterial}\n * @private\n */\n get depthMaskMaterial() {\n return this.depthMaskPass.fullscreenMaterial;\n }\n /**\n * Indicates whether the selection should be considered inverted.\n *\n * @type {Boolean}\n */\n get inverted() {\n return this._inverted;\n }\n set inverted(value) {\n this._inverted = value;\n this.depthMaskMaterial.depthMode = value ? NotEqualDepth2 : EqualDepth2;\n }\n /**\n * Indicates whether the mask is inverted.\n *\n * @deprecated Use inverted instead.\n * @return {Boolean} Whether the mask is inverted.\n */\n isInverted() {\n return this.inverted;\n }\n /**\n * Enables or disable mask inversion.\n *\n * @deprecated Use inverted instead.\n * @param {Boolean} value - Whether the mask should be inverted.\n */\n setInverted(value) {\n this.inverted = value;\n }\n /**\n * Indicates whether the background colors will be ignored.\n *\n * @type {Boolean}\n */\n get ignoreBackground() {\n return this._ignoreBackground;\n }\n set ignoreBackground(value) {\n this._ignoreBackground = value;\n this.depthMaskMaterial.maxDepthStrategy = value ? DepthTestStrategy.DISCARD_MAX_DEPTH : DepthTestStrategy.KEEP_MAX_DEPTH;\n }\n /**\n * Indicates whether the background is disabled.\n *\n * @deprecated Use ignoreBackground instead.\n * @return {Boolean} Whether the background is disabled.\n */\n isBackgroundDisabled() {\n return this.ignoreBackground;\n }\n /**\n * Enables or disables the background.\n *\n * @deprecated Use ignoreBackground instead.\n * @param {Boolean} value - Whether the background should be disabled.\n */\n setBackgroundDisabled(value) {\n this.ignoreBackground = value;\n }\n /**\n * Sets the depth texture.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking7) {\n this.depthMaskMaterial.depthBuffer0 = depthTexture;\n this.depthMaskMaterial.depthPacking0 = depthPacking;\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n const camera = this.camera;\n const selection = this.selection;\n const inverted = this.inverted;\n let renderTarget = inputBuffer;\n if (this.ignoreBackground || !inverted || selection.size > 0) {\n const mask = camera.layers.mask;\n camera.layers.set(selection.layer);\n this.depthPass.render(renderer);\n camera.layers.mask = mask;\n renderTarget = this.renderTargetMasked;\n this.clearPass.render(renderer, renderTarget);\n this.depthMaskPass.render(renderer, inputBuffer, renderTarget);\n }\n super.update(renderer, renderTarget, deltaTime);\n }\n /**\n * Updates the size of internal render targets.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n super.setSize(width, height);\n this.renderTargetMasked.setSize(width, height);\n this.depthPass.setSize(width, height);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n super.initialize(renderer, alpha, frameBufferType);\n this.clearPass.initialize(renderer, alpha, frameBufferType);\n this.depthPass.initialize(renderer, alpha, frameBufferType);\n this.depthMaskPass.initialize(renderer, alpha, frameBufferType);\n if (renderer !== null && renderer.capabilities.logarithmicDepthBuffer) {\n this.depthMaskPass.fullscreenMaterial.defines.LOG_DEPTH = \"1\";\n }\n if (frameBufferType !== void 0) {\n this.renderTargetMasked.texture.type = frameBufferType;\n if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace11) {\n this.renderTargetMasked.texture.colorSpace = SRGBColorSpace11;\n }\n }\n }\n};\n\n// src/effects/SepiaEffect.js\nimport { Uniform as Uniform34, Vector3 as Vector36 } from \"three\";\n\n// src/effects/glsl/sepia.frag\nvar sepia_default = \"uniform vec3 weightsR;uniform vec3 weightsG;uniform vec3 weightsB;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec3 color=vec3(dot(inputColor.rgb,weightsR),dot(inputColor.rgb,weightsG),dot(inputColor.rgb,weightsB));outputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/SepiaEffect.js\nvar SepiaEffect = class extends Effect {\n /**\n * Constructs a new sepia effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction] - The blend function of this effect.\n * @param {Number} [options.intensity=1.0] - The intensity of the effect.\n */\n constructor({ blendFunction, intensity = 1 } = {}) {\n super(\"SepiaEffect\", sepia_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"weightsR\", new Uniform34(new Vector36(0.393, 0.769, 0.189))],\n [\"weightsG\", new Uniform34(new Vector36(0.349, 0.686, 0.168))],\n [\"weightsB\", new Uniform34(new Vector36(0.272, 0.534, 0.131))]\n ])\n });\n }\n /**\n * The intensity.\n *\n * @deprecated Use blendMode.opacity instead.\n * @type {Number}\n */\n get intensity() {\n return this.blendMode.opacity.value;\n }\n set intensity(value) {\n this.blendMode.opacity.value = value;\n }\n /**\n * Returns the current sepia intensity.\n *\n * @deprecated Use blendMode.opacity instead.\n * @return {Number} The intensity.\n */\n getIntensity() {\n return this.intensity;\n }\n /**\n * Sets the sepia intensity.\n *\n * @deprecated Use blendMode.opacity instead.\n * @param {Number} value - The intensity.\n */\n setIntensity(value) {\n this.intensity = value;\n }\n /**\n * The weights for the red channel. Default is `(0.393, 0.769, 0.189)`.\n *\n * @type {Vector3}\n */\n get weightsR() {\n return this.uniforms.get(\"weightsR\").value;\n }\n /**\n * The weights for the green channel. Default is `(0.349, 0.686, 0.168)`.\n *\n * @type {Vector3}\n */\n get weightsG() {\n return this.uniforms.get(\"weightsG\").value;\n }\n /**\n * The weights for the blue channel. Default is `(0.272, 0.534, 0.131)`.\n *\n * @type {Vector3}\n */\n get weightsB() {\n return this.uniforms.get(\"weightsB\").value;\n }\n};\n\n// src/effects/SMAAEffect.js\nimport {\n BasicDepthPacking as BasicDepthPacking9,\n Color as Color7,\n LinearFilter as LinearFilter5,\n LoadingManager,\n NearestFilter as NearestFilter4,\n Texture as Texture3,\n Uniform as Uniform37,\n WebGLRenderTarget as WebGLRenderTarget14\n} from \"three\";\n\n// src/materials/EdgeDetectionMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking8, NoBlending as NoBlending13, REVISION as REVISION2, ShaderMaterial as ShaderMaterial14, Uniform as Uniform35, Vector2 as Vector218 } from \"three\";\n\n// src/materials/glsl/edge-detection.frag\nvar edge_detection_default = \"varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;\\n#if EDGE_DETECTION_MODE != 0\\nvarying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;\\n#endif\\n#if EDGE_DETECTION_MODE == 1\\n#include \\n#endif\\n#if EDGE_DETECTION_MODE == 0 || PREDICATION_MODE == 1\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}vec3 gatherNeighbors(){float p=readDepth(vUv);float pLeft=readDepth(vUv0);float pTop=readDepth(vUv1);return vec3(p,pLeft,pTop);}\\n#elif PREDICATION_MODE == 2\\nuniform sampler2D predicationBuffer;vec3 gatherNeighbors(){float p=texture2D(predicationBuffer,vUv).r;float pLeft=texture2D(predicationBuffer,vUv0).r;float pTop=texture2D(predicationBuffer,vUv1).r;return vec3(p,pLeft,pTop);}\\n#endif\\n#if PREDICATION_MODE != 0\\nvec2 calculatePredicatedThreshold(){vec3 neighbours=gatherNeighbors();vec2 delta=abs(neighbours.xx-neighbours.yz);vec2 edges=step(PREDICATION_THRESHOLD,delta);return PREDICATION_SCALE*EDGE_THRESHOLD*(1.0-PREDICATION_STRENGTH*edges);}\\n#endif\\n#if EDGE_DETECTION_MODE != 0\\nuniform sampler2D inputBuffer;\\n#endif\\nvoid main(){\\n#if EDGE_DETECTION_MODE == 0\\nconst vec2 threshold=vec2(DEPTH_THRESHOLD);\\n#elif PREDICATION_MODE != 0\\nvec2 threshold=calculatePredicatedThreshold();\\n#else\\nconst vec2 threshold=vec2(EDGE_THRESHOLD);\\n#endif\\n#if EDGE_DETECTION_MODE == 0\\nvec3 neighbors=gatherNeighbors();vec2 delta=abs(neighbors.xx-vec2(neighbors.y,neighbors.z));vec2 edges=step(threshold,delta);if(dot(edges,vec2(1.0))==0.0){discard;}gl_FragColor=vec4(edges,0.0,1.0);\\n#elif EDGE_DETECTION_MODE == 1\\nfloat l=luminance(texture2D(inputBuffer,vUv).rgb);float lLeft=luminance(texture2D(inputBuffer,vUv0).rgb);float lTop=luminance(texture2D(inputBuffer,vUv1).rgb);vec4 delta;delta.xy=abs(l-vec2(lLeft,lTop));vec2 edges=step(threshold,delta.xy);if(dot(edges,vec2(1.0))==0.0){discard;}float lRight=luminance(texture2D(inputBuffer,vUv2).rgb);float lBottom=luminance(texture2D(inputBuffer,vUv3).rgb);delta.zw=abs(l-vec2(lRight,lBottom));vec2 maxDelta=max(delta.xy,delta.zw);float lLeftLeft=luminance(texture2D(inputBuffer,vUv4).rgb);float lTopTop=luminance(texture2D(inputBuffer,vUv5).rgb);delta.zw=abs(vec2(lLeft,lTop)-vec2(lLeftLeft,lTopTop));maxDelta=max(maxDelta.xy,delta.zw);float finalDelta=max(maxDelta.x,maxDelta.y);edges.xy*=step(finalDelta,LOCAL_CONTRAST_ADAPTATION_FACTOR*delta.xy);gl_FragColor=vec4(edges,0.0,1.0);\\n#elif EDGE_DETECTION_MODE == 2\\nvec4 delta;vec3 c=texture2D(inputBuffer,vUv).rgb;vec3 cLeft=texture2D(inputBuffer,vUv0).rgb;vec3 t=abs(c-cLeft);delta.x=max(max(t.r,t.g),t.b);vec3 cTop=texture2D(inputBuffer,vUv1).rgb;t=abs(c-cTop);delta.y=max(max(t.r,t.g),t.b);vec2 edges=step(threshold,delta.xy);if(dot(edges,vec2(1.0))==0.0){discard;}vec3 cRight=texture2D(inputBuffer,vUv2).rgb;t=abs(c-cRight);delta.z=max(max(t.r,t.g),t.b);vec3 cBottom=texture2D(inputBuffer,vUv3).rgb;t=abs(c-cBottom);delta.w=max(max(t.r,t.g),t.b);vec2 maxDelta=max(delta.xy,delta.zw);vec3 cLeftLeft=texture2D(inputBuffer,vUv4).rgb;t=abs(c-cLeftLeft);delta.z=max(max(t.r,t.g),t.b);vec3 cTopTop=texture2D(inputBuffer,vUv5).rgb;t=abs(c-cTopTop);delta.w=max(max(t.r,t.g),t.b);maxDelta=max(maxDelta.xy,delta.zw);float finalDelta=max(maxDelta.x,maxDelta.y);edges*=step(finalDelta,LOCAL_CONTRAST_ADAPTATION_FACTOR*delta.xy);gl_FragColor=vec4(edges,0.0,1.0);\\n#endif\\n}\";\n\n// src/materials/glsl/edge-detection.vert\nvar edge_detection_default2 = \"uniform vec2 texelSize;varying vec2 vUv;varying vec2 vUv0;varying vec2 vUv1;\\n#if EDGE_DETECTION_MODE != 0\\nvarying vec2 vUv2;varying vec2 vUv3;varying vec2 vUv4;varying vec2 vUv5;\\n#endif\\nvoid main(){vUv=position.xy*0.5+0.5;vUv0=vUv+texelSize*vec2(-1.0,0.0);vUv1=vUv+texelSize*vec2(0.0,-1.0);\\n#if EDGE_DETECTION_MODE != 0\\nvUv2=vUv+texelSize*vec2(1.0,0.0);vUv3=vUv+texelSize*vec2(0.0,1.0);vUv4=vUv+texelSize*vec2(-2.0,0.0);vUv5=vUv+texelSize*vec2(0.0,-2.0);\\n#endif\\ngl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/EdgeDetectionMaterial.js\nvar EdgeDetectionMaterial = class extends ShaderMaterial14 {\n /**\n * Constructs a new edge detection material.\n *\n * TODO Remove parameters.\n * @param {Vector2} [texelSize] - The screen texel size.\n * @param {EdgeDetectionMode} [mode=EdgeDetectionMode.COLOR] - The edge detection mode.\n */\n constructor(texelSize = new Vector218(), mode = EdgeDetectionMode.COLOR) {\n super({\n name: \"EdgeDetectionMaterial\",\n defines: {\n THREE_REVISION: REVISION2.replace(/\\D+/g, \"\"),\n LOCAL_CONTRAST_ADAPTATION_FACTOR: \"2.0\",\n EDGE_THRESHOLD: \"0.1\",\n DEPTH_THRESHOLD: \"0.01\",\n PREDICATION_MODE: \"0\",\n PREDICATION_THRESHOLD: \"0.01\",\n PREDICATION_SCALE: \"2.0\",\n PREDICATION_STRENGTH: \"1.0\",\n DEPTH_PACKING: \"0\"\n },\n uniforms: {\n inputBuffer: new Uniform35(null),\n depthBuffer: new Uniform35(null),\n predicationBuffer: new Uniform35(null),\n texelSize: new Uniform35(texelSize)\n },\n blending: NoBlending13,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: edge_detection_default,\n vertexShader: edge_detection_default2\n });\n this.edgeDetectionMode = mode;\n }\n /**\n * The depth buffer.\n *\n * @type {Texture}\n */\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n /**\n * The depth packing strategy.\n *\n * @type {DepthPackingStrategies}\n */\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the depth buffer.\n *\n * @deprecated Use depthBuffer and depthPacking instead.\n * @param {Texture} buffer - The depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing strategy.\n */\n setDepthBuffer(buffer, depthPacking = BasicDepthPacking8) {\n this.depthBuffer = buffer;\n this.depthPacking = depthPacking;\n }\n /**\n * The edge detection mode.\n *\n * @type {EdgeDetectionMode}\n */\n get edgeDetectionMode() {\n return Number(this.defines.EDGE_DETECTION_MODE);\n }\n set edgeDetectionMode(value) {\n this.defines.EDGE_DETECTION_MODE = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Returns the edge detection mode.\n *\n * @deprecated Use edgeDetectionMode instead.\n * @return {EdgeDetectionMode} The mode.\n */\n getEdgeDetectionMode() {\n return this.edgeDetectionMode;\n }\n /**\n * Sets the edge detection mode.\n *\n * @deprecated Use edgeDetectionMode instead.\n * @param {EdgeDetectionMode} value - The edge detection mode.\n */\n setEdgeDetectionMode(value) {\n this.edgeDetectionMode = value;\n }\n /**\n * The local contrast adaptation factor. Has no effect if the edge detection mode is set to DEPTH. Default is 2.0.\n *\n * If a neighbor edge has _factor_ times bigger contrast than the current edge, the edge will be discarded.\n *\n * This allows to eliminate spurious crossing edges and is based on the fact that if there is too much contrast in a\n * direction, the perceptual contrast in the other neighbors will be hidden.\n *\n * @type {Number}\n */\n get localContrastAdaptationFactor() {\n return Number(this.defines.LOCAL_CONTRAST_ADAPTATION_FACTOR);\n }\n set localContrastAdaptationFactor(value) {\n this.defines.LOCAL_CONTRAST_ADAPTATION_FACTOR = value.toFixed(\"6\");\n this.needsUpdate = true;\n }\n /**\n * Returns the local contrast adaptation factor.\n *\n * @deprecated Use localContrastAdaptationFactor instead.\n * @return {Number} The factor.\n */\n getLocalContrastAdaptationFactor() {\n return this.localContrastAdaptationFactor;\n }\n /**\n * Sets the local contrast adaptation factor. Has no effect if the edge detection mode is set to DEPTH.\n *\n * @deprecated Use localContrastAdaptationFactor instead.\n * @param {Number} value - The local contrast adaptation factor. Default is 2.0.\n */\n setLocalContrastAdaptationFactor(value) {\n this.localContrastAdaptationFactor = value;\n }\n /**\n * The edge detection threshold. Range: [0.0, 0.5].\n *\n * A lower value results in more edges being detected at the expense of performance.\n *\n * For luma- and chroma-based edge detection, 0.1 is a reasonable value and allows to catch most visible edges. 0.05\n * is a rather overkill value that allows to catch 'em all. Darker scenes may require an even lower threshold.\n *\n * If depth-based edge detection is used, the threshold will depend on the scene depth.\n *\n * @type {Number}\n */\n get edgeDetectionThreshold() {\n return Number(this.defines.EDGE_THRESHOLD);\n }\n set edgeDetectionThreshold(value) {\n this.defines.EDGE_THRESHOLD = value.toFixed(\"6\");\n this.defines.DEPTH_THRESHOLD = (value * 0.1).toFixed(\"6\");\n this.needsUpdate = true;\n }\n /**\n * Returns the edge detection threshold.\n *\n * @deprecated Use edgeDetectionThreshold instead.\n * @return {Number} The threshold.\n */\n getEdgeDetectionThreshold() {\n return this.edgeDetectionThreshold;\n }\n /**\n * Sets the edge detection threshold.\n *\n * @deprecated Use edgeDetectionThreshold instead.\n * @param {Number} value - The edge detection threshold. Range: [0.0, 0.5].\n */\n setEdgeDetectionThreshold(value) {\n this.edgeDetectionThreshold = value;\n }\n /**\n * The predication mode.\n *\n * Predicated thresholding allows to better preserve texture details and to improve edge detection using an additional\n * buffer such as a light accumulation or depth buffer.\n *\n * @type {PredicationMode}\n */\n get predicationMode() {\n return Number(this.defines.PREDICATION_MODE);\n }\n set predicationMode(value) {\n this.defines.PREDICATION_MODE = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Returns the predication mode.\n *\n * @deprecated Use predicationMode instead.\n * @return {PredicationMode} The mode.\n */\n getPredicationMode() {\n return this.predicationMode;\n }\n /**\n * Sets the predication mode.\n *\n * @deprecated Use predicationMode instead.\n * @param {PredicationMode} value - The predication mode.\n */\n setPredicationMode(value) {\n this.predicationMode = value;\n }\n /**\n * The predication buffer.\n *\n * @type {Texture}\n */\n set predicationBuffer(value) {\n this.uniforms.predicationBuffer.value = value;\n }\n /**\n * Sets a custom predication buffer.\n *\n * @deprecated Use predicationBuffer instead.\n * @param {Texture} value - The predication buffer.\n */\n setPredicationBuffer(value) {\n this.uniforms.predicationBuffer.value = value;\n }\n /**\n * The predication threshold.\n *\n * @type {Number}\n */\n get predicationThreshold() {\n return Number(this.defines.PREDICATION_THRESHOLD);\n }\n set predicationThreshold(value) {\n this.defines.PREDICATION_THRESHOLD = value.toFixed(\"6\");\n this.needsUpdate = true;\n }\n /**\n * Returns the predication threshold.\n *\n * @deprecated Use predicationThreshold instead.\n * @return {Number} The threshold.\n */\n getPredicationThreshold() {\n return this.predicationThreshold;\n }\n /**\n * Sets the predication threshold.\n *\n * @deprecated Use predicationThreshold instead.\n * @param {Number} value - The threshold.\n */\n setPredicationThreshold(value) {\n this.predicationThreshold = value;\n }\n /**\n * The predication scale. Range: [1.0, 5.0].\n *\n * Determines how much the edge detection threshold should be scaled when using predication.\n *\n * @type {Boolean|Texture|Number}\n */\n get predicationScale() {\n return Number(this.defines.PREDICATION_SCALE);\n }\n set predicationScale(value) {\n this.defines.PREDICATION_SCALE = value.toFixed(\"6\");\n this.needsUpdate = true;\n }\n /**\n * Returns the predication scale.\n *\n * @deprecated Use predicationScale instead.\n * @return {Number} The scale.\n */\n getPredicationScale() {\n return this.predicationScale;\n }\n /**\n * Sets the predication scale.\n *\n * @deprecated Use predicationScale instead.\n * @param {Number} value - The scale. Range: [1.0, 5.0].\n */\n setPredicationScale(value) {\n this.predicationScale = value;\n }\n /**\n * The predication strength. Range: [0.0, 1.0].\n *\n * Determines how much the edge detection threshold should be decreased locally when using predication.\n *\n * @type {Number}\n */\n get predicationStrength() {\n return Number(this.defines.PREDICATION_STRENGTH);\n }\n set predicationStrength(value) {\n this.defines.PREDICATION_STRENGTH = value.toFixed(\"6\");\n this.needsUpdate = true;\n }\n /**\n * Returns the predication strength.\n *\n * @deprecated Use predicationStrength instead.\n * @return {Number} The strength.\n */\n getPredicationStrength() {\n return this.predicationStrength;\n }\n /**\n * Sets the predication strength.\n *\n * @deprecated Use predicationStrength instead.\n * @param {Number} value - The strength. Range: [0.0, 1.0].\n */\n setPredicationStrength(value) {\n this.predicationStrength = value;\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/SMAAWeightsMaterial.js\nimport { NoBlending as NoBlending14, ShaderMaterial as ShaderMaterial15, Uniform as Uniform36, Vector2 as Vector219 } from \"three\";\n\n// src/materials/glsl/smaa-weights.frag\nvar smaa_weights_default = \"#define sampleLevelZeroOffset(t, coord, offset) texture2D(t, coord + offset * texelSize)\\n#if __VERSION__ < 300\\n#define round(v) floor(v + 0.5)\\n#endif\\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform lowp sampler2D areaTexture;uniform lowp sampler2D searchTexture;uniform vec2 texelSize;uniform vec2 resolution;varying vec2 vUv;varying vec4 vOffset[3];varying vec2 vPixCoord;void movec(const in bvec2 c,inout vec2 variable,const in vec2 value){if(c.x){variable.x=value.x;}if(c.y){variable.y=value.y;}}void movec(const in bvec4 c,inout vec4 variable,const in vec4 value){movec(c.xy,variable.xy,value.xy);movec(c.zw,variable.zw,value.zw);}vec2 decodeDiagBilinearAccess(in vec2 e){e.r=e.r*abs(5.0*e.r-5.0*0.75);return round(e);}vec4 decodeDiagBilinearAccess(in vec4 e){e.rb=e.rb*abs(5.0*e.rb-5.0*0.75);return round(e);}vec2 searchDiag1(const in vec2 texCoord,const in vec2 dir,out vec2 e){vec4 coord=vec4(texCoord,-1.0,1.0);vec3 t=vec3(texelSize,1.0);for(int i=0;i0.9)){break;}coord.xyz=t*vec3(dir,1.0)+coord.xyz;e=texture2D(inputBuffer,coord.xy).rg;coord.w=dot(e,vec2(0.5));}return coord.zw;}vec2 searchDiag2(const in vec2 texCoord,const in vec2 dir,out vec2 e){vec4 coord=vec4(texCoord,-1.0,1.0);coord.x+=0.25*texelSize.x;vec3 t=vec3(texelSize,1.0);for(int i=0;i0.9)){break;}coord.xyz=t*vec3(dir,1.0)+coord.xyz;e=texture2D(inputBuffer,coord.xy).rg;e=decodeDiagBilinearAccess(e);coord.w=dot(e,vec2(0.5));}return coord.zw;}vec2 areaDiag(const in vec2 dist,const in vec2 e,const in float offset){vec2 texCoord=vec2(AREATEX_MAX_DISTANCE_DIAG,AREATEX_MAX_DISTANCE_DIAG)*e+dist;texCoord=AREATEX_PIXEL_SIZE*texCoord+0.5*AREATEX_PIXEL_SIZE;texCoord.x+=0.5;texCoord.y+=AREATEX_SUBTEX_SIZE*offset;return texture2D(areaTexture,texCoord).rg;}vec2 calculateDiagWeights(const in vec2 texCoord,const in vec2 e,const in vec4 subsampleIndices){vec2 weights=vec2(0.0);vec4 d;vec2 end;if(e.r>0.0){d.xz=searchDiag1(texCoord,vec2(-1.0,1.0),end);d.x+=float(end.y>0.9);}else{d.xz=vec2(0.0);}d.yw=searchDiag1(texCoord,vec2(1.0,-1.0),end);if(d.x+d.y>2.0){vec4 coords=vec4(-d.x+0.25,d.x,d.y,-d.y-0.25)*texelSize.xyxy+texCoord.xyxy;vec4 c;c.xy=sampleLevelZeroOffset(inputBuffer,coords.xy,vec2(-1,0)).rg;c.zw=sampleLevelZeroOffset(inputBuffer,coords.zw,vec2(1,0)).rg;c.yxwz=decodeDiagBilinearAccess(c.xyzw);vec2 cc=vec2(2.0)*c.xz+c.yw;movec(bvec2(step(0.9,d.zw)),cc,vec2(0.0));weights+=areaDiag(d.xy,cc,subsampleIndices.z);}d.xz=searchDiag2(texCoord,vec2(-1.0,-1.0),end);if(sampleLevelZeroOffset(inputBuffer,texCoord,vec2(1,0)).r>0.0){d.yw=searchDiag2(texCoord,vec2(1.0),end);d.y+=float(end.y>0.9);}else{d.yw=vec2(0.0);}if(d.x+d.y>2.0){vec4 coords=vec4(-d.x,-d.x,d.y,d.y)*texelSize.xyxy+texCoord.xyxy;vec4 c;c.x=sampleLevelZeroOffset(inputBuffer,coords.xy,vec2(-1,0)).g;c.y=sampleLevelZeroOffset(inputBuffer,coords.xy,vec2(0,-1)).r;c.zw=sampleLevelZeroOffset(inputBuffer,coords.zw,vec2(1,0)).gr;vec2 cc=vec2(2.0)*c.xz+c.yw;movec(bvec2(step(0.9,d.zw)),cc,vec2(0.0));weights+=areaDiag(d.xy,cc,subsampleIndices.w).gr;}return weights;}float searchLength(const in vec2 e,const in float offset){vec2 scale=SEARCHTEX_SIZE*vec2(0.5,-1.0);vec2 bias=SEARCHTEX_SIZE*vec2(offset,1.0);scale+=vec2(-1.0,1.0);bias+=vec2(0.5,-0.5);scale*=1.0/SEARCHTEX_PACKED_SIZE;bias*=1.0/SEARCHTEX_PACKED_SIZE;return texture2D(searchTexture,scale*e+bias).r;}float searchXLeft(in vec2 texCoord,const in float end){vec2 e=vec2(0.0,1.0);for(int i=0;iend&&e.g>0.8281&&e.r==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=vec2(-2.0,0.0)*texelSize+texCoord;}float offset=-(255.0/127.0)*searchLength(e,0.0)+3.25;return texelSize.x*offset+texCoord.x;}float searchXRight(vec2 texCoord,const in float end){vec2 e=vec2(0.0,1.0);for(int i=0;i0.8281&&e.r==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=vec2(2.0,0.0)*texelSize.xy+texCoord;}float offset=-(255.0/127.0)*searchLength(e,0.5)+3.25;return-texelSize.x*offset+texCoord.x;}float searchYUp(vec2 texCoord,const in float end){vec2 e=vec2(1.0,0.0);for(int i=0;iend&&e.r>0.8281&&e.g==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=-vec2(0.0,2.0)*texelSize.xy+texCoord;}float offset=-(255.0/127.0)*searchLength(e.gr,0.0)+3.25;return texelSize.y*offset+texCoord.y;}float searchYDown(vec2 texCoord,const in float end){vec2 e=vec2(1.0,0.0);for(int i=0;i0.8281&&e.g==0.0)){break;}e=texture2D(inputBuffer,texCoord).rg;texCoord=vec2(0.0,2.0)*texelSize.xy+texCoord;}float offset=-(255.0/127.0)*searchLength(e.gr,0.5)+3.25;return-texelSize.y*offset+texCoord.y;}vec2 area(const in vec2 dist,const in float e1,const in float e2,const in float offset){vec2 texCoord=vec2(AREATEX_MAX_DISTANCE)*round(4.0*vec2(e1,e2))+dist;texCoord=AREATEX_PIXEL_SIZE*texCoord+0.5*AREATEX_PIXEL_SIZE;texCoord.y=AREATEX_SUBTEX_SIZE*offset+texCoord.y;return texture2D(areaTexture,texCoord).rg;}void detectHorizontalCornerPattern(inout vec2 weights,const in vec4 texCoord,const in vec2 d){\\n#if !defined(DISABLE_CORNER_DETECTION)\\nvec2 leftRight=step(d.xy,d.yx);vec2 rounding=(1.0-CORNER_ROUNDING_NORM)*leftRight;rounding/=leftRight.x+leftRight.y;vec2 factor=vec2(1.0);factor.x-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(0,1)).r;factor.x-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(1,1)).r;factor.y-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(0,-2)).r;factor.y-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(1,-2)).r;weights*=clamp(factor,0.0,1.0);\\n#endif\\n}void detectVerticalCornerPattern(inout vec2 weights,const in vec4 texCoord,const in vec2 d){\\n#if !defined(DISABLE_CORNER_DETECTION)\\nvec2 leftRight=step(d.xy,d.yx);vec2 rounding=(1.0-CORNER_ROUNDING_NORM)*leftRight;rounding/=leftRight.x+leftRight.y;vec2 factor=vec2(1.0);factor.x-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(1,0)).g;factor.x-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(1,1)).g;factor.y-=rounding.x*sampleLevelZeroOffset(inputBuffer,texCoord.xy,vec2(-2,0)).g;factor.y-=rounding.y*sampleLevelZeroOffset(inputBuffer,texCoord.zw,vec2(-2,1)).g;weights*=clamp(factor,0.0,1.0);\\n#endif\\n}void main(){vec4 weights=vec4(0.0);vec4 subsampleIndices=vec4(0.0);vec2 e=texture2D(inputBuffer,vUv).rg;if(e.g>0.0){\\n#if !defined(DISABLE_DIAG_DETECTION)\\nweights.rg=calculateDiagWeights(vUv,e,subsampleIndices);if(weights.r==-weights.g){\\n#endif\\nvec2 d;vec3 coords;coords.x=searchXLeft(vOffset[0].xy,vOffset[2].x);coords.y=vOffset[1].y;d.x=coords.x;float e1=texture2D(inputBuffer,coords.xy).r;coords.z=searchXRight(vOffset[0].zw,vOffset[2].y);d.y=coords.z;d=round(resolution.xx*d+-vPixCoord.xx);vec2 sqrtD=sqrt(abs(d));float e2=sampleLevelZeroOffset(inputBuffer,coords.zy,vec2(1,0)).r;weights.rg=area(sqrtD,e1,e2,subsampleIndices.y);coords.y=vUv.y;detectHorizontalCornerPattern(weights.rg,coords.xyzy,d);\\n#if !defined(DISABLE_DIAG_DETECTION)\\n}else{e.r=0.0;}\\n#endif\\n}if(e.r>0.0){vec2 d;vec3 coords;coords.y=searchYUp(vOffset[1].xy,vOffset[2].z);coords.x=vOffset[0].x;d.x=coords.y;float e1=texture2D(inputBuffer,coords.xy).g;coords.z=searchYDown(vOffset[1].zw,vOffset[2].w);d.y=coords.z;d=round(resolution.yy*d-vPixCoord.yy);vec2 sqrtD=sqrt(abs(d));float e2=sampleLevelZeroOffset(inputBuffer,coords.xz,vec2(0,1)).g;weights.ba=area(sqrtD,e1,e2,subsampleIndices.x);coords.x=vUv.x;detectVerticalCornerPattern(weights.ba,coords.xyxz,d);}gl_FragColor=weights;}\";\n\n// src/materials/glsl/smaa-weights.vert\nvar smaa_weights_default2 = \"uniform vec2 texelSize;uniform vec2 resolution;varying vec2 vUv;varying vec4 vOffset[3];varying vec2 vPixCoord;void main(){vUv=position.xy*0.5+0.5;vPixCoord=vUv*resolution;vOffset[0]=vUv.xyxy+texelSize.xyxy*vec4(-0.25,-0.125,1.25,-0.125);vOffset[1]=vUv.xyxy+texelSize.xyxy*vec4(-0.125,-0.25,-0.125,1.25);vOffset[2]=vec4(vOffset[0].xz,vOffset[1].yw)+vec4(-2.0,2.0,-2.0,2.0)*texelSize.xxyy*MAX_SEARCH_STEPS_FLOAT;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/SMAAWeightsMaterial.js\nvar SMAAWeightsMaterial = class extends ShaderMaterial15 {\n /**\n * Constructs a new SMAA weights material.\n *\n * @param {Vector2} [texelSize] - The absolute screen texel size.\n * @param {Vector2} [resolution] - The resolution.\n */\n constructor(texelSize = new Vector219(), resolution = new Vector219()) {\n super({\n name: \"SMAAWeightsMaterial\",\n defines: {\n // Configurable settings:\n MAX_SEARCH_STEPS_INT: \"16\",\n MAX_SEARCH_STEPS_FLOAT: \"16.0\",\n MAX_SEARCH_STEPS_DIAG_INT: \"8\",\n MAX_SEARCH_STEPS_DIAG_FLOAT: \"8.0\",\n CORNER_ROUNDING: \"25\",\n CORNER_ROUNDING_NORM: \"0.25\",\n // Non-configurable settings:\n AREATEX_MAX_DISTANCE: \"16.0\",\n AREATEX_MAX_DISTANCE_DIAG: \"20.0\",\n AREATEX_PIXEL_SIZE: \"(1.0 / vec2(160.0, 560.0))\",\n AREATEX_SUBTEX_SIZE: \"(1.0 / 7.0)\",\n SEARCHTEX_SIZE: \"vec2(66.0, 33.0)\",\n SEARCHTEX_PACKED_SIZE: \"vec2(64.0, 16.0)\"\n },\n uniforms: {\n inputBuffer: new Uniform36(null),\n searchTexture: new Uniform36(null),\n areaTexture: new Uniform36(null),\n resolution: new Uniform36(resolution),\n texelSize: new Uniform36(texelSize)\n },\n blending: NoBlending14,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: smaa_weights_default,\n vertexShader: smaa_weights_default2\n });\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the input buffer.\n *\n * @deprecated Use inputBuffer instead.\n * @param {Texture} value - The input buffer.\n */\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * The search lookup texture.\n *\n * @type {Texture}\n */\n get searchTexture() {\n return this.uniforms.searchTexture.value;\n }\n set searchTexture(value) {\n this.uniforms.searchTexture.value = value;\n }\n /**\n * The area lookup texture.\n *\n * @type {Texture}\n */\n get areaTexture() {\n return this.uniforms.areaTexture.value;\n }\n set areaTexture(value) {\n this.uniforms.areaTexture.value = value;\n }\n /**\n * Sets the search and area lookup textures.\n *\n * @deprecated Use searchTexture and areaTexture instead.\n * @param {Texture} search - The search lookup texture.\n * @param {Texture} area - The area lookup texture.\n */\n setLookupTextures(search, area2) {\n this.searchTexture = search;\n this.areaTexture = area2;\n }\n /**\n * The maximum amount of steps performed in the horizontal/vertical pattern searches, at each side of the pixel.\n * Range: [0, 112].\n *\n * In number of pixels, it's actually the double. So the maximum line length perfectly handled by, for example 16, is\n * 64 (perfectly means that longer lines won't look as good, but are still antialiased).\n *\n * @type {Number}\n */\n get orthogonalSearchSteps() {\n return Number(this.defines.MAX_SEARCH_STEPS_INT);\n }\n set orthogonalSearchSteps(value) {\n const s = Math.min(Math.max(value, 0), 112);\n this.defines.MAX_SEARCH_STEPS_INT = s.toFixed(\"0\");\n this.defines.MAX_SEARCH_STEPS_FLOAT = s.toFixed(\"1\");\n this.needsUpdate = true;\n }\n /**\n * Sets the maximum amount of steps performed in the horizontal/vertical pattern searches, at each side of the pixel.\n *\n * @deprecated Use orthogonalSearchSteps instead.\n * @param {Number} value - The search steps. Range: [0, 112].\n */\n setOrthogonalSearchSteps(value) {\n this.orthogonalSearchSteps = value;\n }\n /**\n * The maximum steps performed in the diagonal pattern searches, at each side of the pixel. This search\n * jumps one pixel at a time. Range: [0, 20].\n *\n * On high-end machines this search is cheap (between 0.8x and 0.9x slower for 16 steps), but it can have a\n * significant impact on older machines.\n *\n * @type {Number}\n */\n get diagonalSearchSteps() {\n return Number(this.defines.MAX_SEARCH_STEPS_DIAG_INT);\n }\n set diagonalSearchSteps(value) {\n const s = Math.min(Math.max(value, 0), 20);\n this.defines.MAX_SEARCH_STEPS_DIAG_INT = s.toFixed(\"0\");\n this.defines.MAX_SEARCH_STEPS_DIAG_FLOAT = s.toFixed(\"1\");\n this.needsUpdate = true;\n }\n /**\n * Specifies the maximum steps performed in the diagonal pattern searches, at each side of the pixel.\n *\n * @deprecated Use diagonalSearchSteps instead.\n * @param {Number} value - The search steps. Range: [0, 20].\n */\n setDiagonalSearchSteps(value) {\n this.diagonalSearchSteps = value;\n }\n /**\n * Indicates whether diagonal pattern detection is enabled.\n *\n * @type {Boolean}\n */\n get diagonalDetection() {\n return this.defines.DISABLE_DIAG_DETECTION === void 0;\n }\n set diagonalDetection(value) {\n if (value) {\n delete this.defines.DISABLE_DIAG_DETECTION;\n } else {\n this.defines.DISABLE_DIAG_DETECTION = \"1\";\n }\n this.needsUpdate = true;\n }\n /**\n * Indicates whether diagonal pattern detection is enabled.\n *\n * @deprecated Use diagonalDetection instead.\n * @return {Boolean} Whether diagonal pattern detection is enabled.\n */\n isDiagonalDetectionEnabled() {\n return this.diagonalDetection;\n }\n /**\n * Enables or disables diagonal pattern detection.\n *\n * @deprecated Use diagonalDetection instead.\n * @param {Boolean} value - Whether diagonal pattern detection should be enabled.\n */\n setDiagonalDetectionEnabled(value) {\n this.diagonalDetection = value;\n }\n /**\n * Specifies how much sharp corners will be rounded. Range: [0, 100].\n *\n * @type {Number}\n */\n get cornerRounding() {\n return Number(this.defines.CORNER_ROUNDING);\n }\n set cornerRounding(value) {\n const r = Math.min(Math.max(value, 0), 100);\n this.defines.CORNER_ROUNDING = r.toFixed(\"4\");\n this.defines.CORNER_ROUNDING_NORM = (r / 100).toFixed(\"4\");\n this.needsUpdate = true;\n }\n /**\n * Specifies how much sharp corners will be rounded.\n *\n * @deprecated Use cornerRounding instead.\n * @param {Number} value - The corner rounding amount. Range: [0, 100].\n */\n setCornerRounding(value) {\n this.cornerRounding = value;\n }\n /**\n * Indicates whether corner detection is enabled.\n *\n * @type {Number}\n */\n get cornerDetection() {\n return this.defines.DISABLE_CORNER_DETECTION === void 0;\n }\n set cornerDetection(value) {\n if (value) {\n delete this.defines.DISABLE_CORNER_DETECTION;\n } else {\n this.defines.DISABLE_CORNER_DETECTION = \"1\";\n }\n this.needsUpdate = true;\n }\n /**\n * Indicates whether corner rounding is enabled.\n *\n * @deprecated Use cornerDetection instead.\n * @return {Boolean} Whether corner rounding is enabled.\n */\n isCornerRoundingEnabled() {\n return this.cornerDetection;\n }\n /**\n * Enables or disables corner rounding.\n *\n * @deprecated Use cornerDetection instead.\n * @param {Boolean} value - Whether corner rounding should be enabled.\n */\n setCornerRoundingEnabled(value) {\n this.cornerDetection = value;\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const uniforms = this.uniforms;\n uniforms.texelSize.value.set(1 / width, 1 / height);\n uniforms.resolution.value.set(width, height);\n }\n};\n\n// src/textures/smaa/searchImageDataURL.js\nvar searchImageDataURL_default = \"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEAAAAAQCAYAAACm53kpAAAAeElEQVRYR+2XSwqAMAxEJ168ePEqwRSKhIIiuHjJqiU0gWE+1CQdApcVAMUAuARaMGCX1MIL/Ow13++9lW2s3mW9MWvsnWc/2fvGygwPAN4E8QzAA4CXAB6AHjG4JTHYI1ey3pcx6FHnEfhLDOIBKAmUBK6/ANUDTlROXAHd9EC1AAAAAElFTkSuQmCC\";\n\n// src/textures/smaa/areaImageDataURL.js\nvar areaImageDataURL_default = \"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKAAAAIwCAYAAAABNmBHAAAgAElEQVR4Xuy9CbhlV1ktOvbpq09DkiIkUBI6kxASIH0DlAQiIK1wRfSJTx+i4JX7vKIigs8HXpXvqVcvrcC9agQ7IDTSSWgqCQQliDRBJKkkhDSkqVPNqVOnP+8b//rH3P+eZ+199tlznVTlvVrft7+1T7OaueZY42/m37QALKNk2wHg1pITlB17mC+Pp11W3X/LHyT32vhg48/5SOv+PnwpsHA70JoGlueB1iKApeqzvOzn44GatTB76Xzhd7suBR7+WWADgDEAwwCG/L54b/poDLrHuvvm70Z2Avhsc+PVcxscBU8F8C8ADg5+ipIjD/PlGwfgju8B924E5seARUfLsiNmqQW0IjL8+7L2NYD/7COBzfcCm+aB8SVgdAkYIRCXKyDax4EdAanL5PuNPllNvXDlAHwFgP8AcC2AhRIoDXbsYb48dl5WkVFTE3LGDcC9m4CZCWBuFFgeAZaGAYJQQCRqDHT+McJrVb8zwATUXH02MHYfMHEIGFsAxgjApQqACYQORjtd/B7Axt/z79sC0+cMPgjjlwPwVwHcA+DfAHzTxcVgWBroqMN8+cYBeM71wH0TwKExYHYUWCIAHYRLTlkCYgcIBcAgU/n3qy8GRu4HRgnAOWBkERhddPAJhGJDBxkvw7cqimr+zFM/ZLnZF64cgL8BYD+AWwB8x/dlWuWagHiYL984AJ/0RWBy1AE4AizyM1yxYAcTigW55xMbAkxEiwEdkJ/ZCQxPAiOHgBECcKEC4TBZcKkSv+mTieNcNPNC26mLNsj45QD8LQDTAO4GcJt/7iw2bfoG4WG+vAGwm9ExiEg69zpg/wgwPQLMjgALzn4E4aIzoJjQ9g4024uygkj+pyuAoX0VAIfngOH5NgCHMhAm8Sv2y3XDZeBhNIp8OzJE8OsBzAKYBHAXgDt8/4O+MVT0j4f58o0D8Pxrgf3DwMwIMEPQEYRkNwfgsuuDZLskip0No0gWMD/9HGDoADAkAC4Aw/wsAgZAgs2Z0ABI0GU6IVmKv+f28KDnHxkA/G0A8y6G73N9kOCjXnh/Ebb6OvgwX75xAF5wLTA1VIHPADgMLDj4yIA5AAm6aCUnv4oz46eeDwxNAUMzwJAz4BABSNDFTwSfg7DDKHE23MG5PqIY8A1u/dINs9dBdy8AgnGPM2NfUBrsnw7z5RsH4IXXAAcJviFgluAbygBINnSLWOAjGxJ4pgOKDV0v/OSLKp8iGXBovhLBBOCQM2ACoTOhnYrAdItYbCij5JFzRyIAqRccAnDAQUjg6UNQ7hsMXP0cRQAexss3DsCLCECCLwCQzMcPwUi2MwAScAKbfnY/YRLFQ8DHX+IAJAMSfDkAF13kLvleIjhjQQHxUVS3jjgGpKeeNzYVQEjgUS8k+PghONdhIwAP4+XXBYCHKIJbwJyDTgaIAdCBJx3Q2M8tYAHP9m4df/ylQOsQ0JqtRLCx30K1wtLBggScQOgsKBGcWHAJeOwRC0BSM1mQIKRbhh+Bj98JQP6t4U0APEyXXxcAEnxkQAFwoVUxID9kvQg+c1C7vidRbIDkc24B//hTQGumDcCWA5DgMxASdNIFBUI5pCML8v8API5zfEQx4BudgqiczviSnJhQwCP4BMCGl+wO8+U7AJi/W4O4YS6+pmK/2ciADsAOBhTIIiAJnPB7AvNjP+0AnANaYkAHX2JBAc+tYaJXOqBZv24Vc386XW5dtkHGW+4HFAJonpOe+YYQZAShgKjv3PNvPQaxVoI8zJdfFwASfPzMUwS3Kt1v0UFIlos6oDFdAGFcliMAP/ryAEAGNwQRnDOgLbdlIEwrIs6AZ/QgkMMHQF6ZAKQcJAsSYPwIeAIk9wJgoPK1gi7+PwF4GC/fOAAvIQPSs0URTPBJ/Pp3GSEGRHfBCIQ0xowBtUbcAj7ys5X4Jfu1HIAGQrIgQRXEsAFQIORDFhiDY/rMHmrU4QUgR08AkgUjCAW6CD6CkwBsAIQC4GG6fPMA3OXiNzCg2I9gNCMksmAAoemDzoimFwL48M85AKkiuQVMAAp8CYRRDAt8GQiJ67N6GJODAXAHlsGguscA2AJg1IPGYmxOpBxFWkRN9LsATgIwXnNs/v/5z/9XCf8BO3YAtxbc/46/KDt+5+ea1Yku2VUxHz/z0v24FwMGK1gWsK2OUUxHHdCBeRUB6OxHABr4ZICIBd0QWSF+XRdMTAjgCdTrG9cBNwE4F8CpDkICyYLGsuhFt6zs+gISwUen8zEAjgMw4cfx2H6O/90yAFo84Cbg4ID3/9TfLTt+5+ebnRABkODjx0SwPi5ec/FrYpmqSAxM8Dn60CsqAFI6GfhqAMiDE/gokmvEr0C4PgDkBQm40wE8zMFEUDKEVoxIMLl/KS73mE7H9d+vcKHQQcjwW0Yu9nP8m8sAmOIBuWY6wP2/4s0ezjjg8TuvaR6ABJ70vxUApGrm7EbGE+i472BAB+WHfqHS/eoAaEwY2E9+wLSXTqhI7CXgnB6LCoOJ4BiST+hTnG0HcCwAglCx3ARoZEVFXnBPp/O/A/hXACc7CPs9/i1lAOyIB+RDX+P9/+pbQjjjAMfv/PL6AFDs1wFAgs/9fgKfgdE/ZEpuiQlbwAde6QAMBgiRmsSwA9BY0JfjovGRDBMH4TlcXGhcBOc6HkF0gjPhZgchxTLZMAci/04W/B6Ab3t09EPXcPyflgFwRTwgJ2MN9/8bf5qFM67x+B/aW4XQz42FeL0YrRyikztUFw0704mf9kXgxhOAqc3AAsPyRxxQCs/PdXOFY0W1KHy3QIUGtx+6vdnx1vsB+dsTncm2AogglFgVEAlUWrOMB2RyEmMCGQ/Y7/HvKns6tfGAnJQ+r/9b76oJZ1zD8WdyQjYBh8aBhVEHjELouQ8ukQ7VRSCJAALwkr+sALhnGzDD3JAJYJHg9uhoi4bx8ytkWUtvHT/7+Zc4dw1uZ3612fH2dkQf7yxIEEockwkJQn4IQoq8unhAhmPRKKFx0uv4K8ueTs94wD7u//VX9ghn7OP4c+4G7h8HpseB+dF2AKlFLwuAIZ8jD6NPrOhAffmfA9/ZBuzZCkyRWSeqBCWyoYGQ5yQrBpDbum/ME1HoPo0XEkSD2zlfbna8q6+EUJcTCxKEtHL5EQjP6BEPyIgYAZBvYt3xHyx7OqvGA65y/7/9wVXCGVc5/sl7qxD66dEqiYgRzAqhN1A4CBNAAlDyAFI+iZ9/N3DLJuC+jcDUBmCWyUnOrmTYCMIOkNclLg0B8/RsNLg9+UvNjnd1APLmmQpFHyEBROuWACQT8nN+H/GAvY7/VNnT6SsesMf13/CpahGnZzhjj+PPmwX2MYdDIfQexWyBAwEUOQDrRDN/98p3A7dvAO6fAA5sqHJDBEAyoUVGkwEd6HR12XU4kwzfl6fCXTZzjy57vvnR513X7Hj7AyDvggAUi9EyFgiZqNxPQF6345nOWbD1HQ/Y5fpvuLa/2+82/vNHgAPDFQDnhoF5j2C2qBWCI8bw1eRw5CL5l94L3DEOTI4DB8Y9OWmsEu/zBJ3rgsaybqBob/7A4C7jtWcooRrczr+u2fH2D0AOQgAUCxKEP7aGgLy64+m6KdjWFA9Yc/03/Osa4glrjr+AupqHz1sEs0cxG0BC9HIePLoit9eNkVf9L+DuUWByDJgaq4ybGYLPAWgiXmLedUE7dwC7saL7CqfPKXi4NYdaykCD410bAHlDEsNiwZ9wAPYbkJcfz6T2gm3N8YDZ9d/wHxUA+739fPwXPrSKYGb+BuP3jAFDElFH9HIWwbzCIGkBr/or4J4RYO8oMOW6ZVcAuvi1Cgoha04BCwT5gfMKHm7NoRde2+x41w5A3hQZkADk5+cGiAeMx3+/7AENFA8Yrv/G71cAXFM4Yzj+otOAaQLQA0gZxaIIZtMDFTigKJV8H9Iq6aZ59ZXAvSPAvpEKgBTtBODcSCWCZeRYtpzrmLyeGNCAyFl1v+Hei8qeb370Rdc2O97BAMi7EgB/2QG41nhAHU9LuWAbOB7Qr//GPRUA13r7Gv9FZwIMoVcEswEwfDoimEP0shKKtIphaZQAXv1+YM+wA3DEdcvRKkGJADQQEsQuhi1Tjt95vBsh5nx2IO59SsHDrTmUOStNjndwAAqEry0IyCMICkOyiuIBNwBvPFQQT7gBuPjc9oRYAIHyOEL4vIFEYVNaOou5vCGE/tV/A0wOVcnpzI47NOri3QFIBpSeaSDUdYLOSWvYImSGgftpJDa4MWJbAGxivGUA5MAOc0Be6eVLj7/4Mk+hzCOYPYpZDBiNkLh+G/M3yFyv/ltgL3W3YQfgcFUhgRY2PwY+Z7/EhAR1SFyXCOb57r28QfQBsJQBMn5D4y0HYLPje9Cd7RIC0PM3EiMofF4gVCBp1P840ix/gyz56r+vAMjk9Gl375iB4+CzveuZdLkkEPJ8ZEfX/6R73vOjzT5Si9hucLxHAVg4PwJgRwh9CKOXK8YA4ZEqKZXSQWh5P+5AftXfA/uGKvYjCKn72cctbFrZNECka5L5CPwIPtMH3TVz17MLB5gdLgA2Nd6jACycHwLQxFEUSR5ASvARDB0h9AQb9bXIgCGk6lUfAPYTgEPAITKgg1BObk58srTJgG58WMkWMaAbQQT1nc8rHGANAJsc71EAFs4PAagQestgC1lsBJ4BMCSOK6dDUcwqqaFiQr/0QeAAAdjy+jBiQQeeMSBZT3nCPUDIa9z+/MIB1gCwyfEeBWDh/BCAeQSzgkjFfGLBBD5nxQ4DxN0wv3hVxX5TBGDwL5obxvVA5YqYL5BeMLd66YYxJpRB0gK+96LCAdYAsMnxHgVg4fwIgMrhUPKQ2C+Bz0PmBTqBMQehAbDlIjj4F80KJguSVZ0FuXpjoCOgXawLjALhbT9eOMAuAGxqvEcBWDg/l1IE05Ed0ygZnyHdz0VwCqEPIfNyx0QQvvLDFQCp+8nfZk5und8tXwIgWcHSNX0N2CJmnAl3v6RwgNnhl17T7HiPArBwfghAS7mV/hey2JS9FvM3BLpUUi1YwDRMXvkRYJoAlAh2l0dcZ04s6JUTDIjyBcrl4yDc/dLCAdYAsMnxHgVg4fxwKVwJgGEJNmWtxpQMpX9on2eRhVA+O56AjMfnP+e3Xvf3NwG4xIPTleiY55bpGh6UbafNU0l0z0p+5Jh5HqYJ6b51nP6XP8cx12XNHQVgIQB/bFPVg2OC7Q+WgVFWng/FvtWLI06uWh5oguKEcXVS/9sEAF//VGD7t4ETDgJbF4CNi8CGZWBs2fPL/H6Vwp2KEtVk4fJ+v/EIYPN9wKa5qu+IncfPwXHVZe/aOL3EbwS7xv8A1rQvnO0j8PArTgTGZ4BxFv9mIxhOCGsv+0OPYDRghcLfkWkEuq0+G00x4OtfDGz+d2DbHmDLjL8si8AYP/7CGIAiEEMTG92zXqSbH+d9R2aA0XnvO+JjthiIrOVDHHPOkBrzUQAWAPsZp3oPDpa/Xag6EVkLBK+5rAnJC3/nYk/APD704WiEAV8OTHwX2LQH2DgFbJgFNrBhjd8r79deGoEwsllgNBOzy8CdjweG9wBj08AIAci2D6HafmyAk4/Z7SJ72hGYRwFYAMDLTwOGp4FRFgD3HhzqRGQiyeurqOdG6r0Rm8IEZjzRlkiqCWoEgK8Axm4BJu4HJhyAbFhDxmbDGnZO4j0SgLGDkpibgEq66TJw/1nA0F5gdLpq+zDqFfd5LMeWqu5HNST0uJOIllg+qgMWgI+HPv0xwLA3gWHpW2sC441gCECbmKziaGrnUdMO4aHeh6MxAP4SMHI7ML4HGD8AjHvHJGNAgpDgY/ck3stipRemvVhc+uASMPUEYGh/9dIRgGx8Y+MNbR/00uVtH0wEx94j/v0oAxaA8Ed+GBieAYZZg5kADC0QWGOFzGJlcGPzl1BxNLXD8sk4xftwNAbA/wwM3wGMUmxOOQBnHXzetIYvibonmSiuYTNjriVg7glAiwBk0fNZH6+PmX9P6kfNmCXGpftJ7TgKwBIAnln14BAAYxMYm5C6RjCyCoOyr0qkD/c+HI0B8DXA8N3AyCQwesD1VQKH7EcASm1Q+y4CkN9pUKiVF5nLvy+fBbTUd8QBaH1HvNBROiZvfsNnrF4kcvPwpdsBLBeU18Nf7AB23Dp4ecHC8oBgUlJJecLS+7+WOpE3gbE+HKw+yoevCYkMGKqPJrdEKARutaFYRs1fiEZ0wP8CDN8LDO8FRqYq3W10pgKgfYLaYCzootgA6KXaTA90y374TKB1sBozy77xHFZ536utRgAmEaw6g5kUSFZwSXnA330qsOlfgHMPDlZesLA8IOjoLypPWHj/11EnCiVwkz7kAExtsGraYUWdSDX5TmsagL8KDBGA7Bd30JsW0oWivnEOQNP7yGTSBR101AlZSUtGyfgZDkCWY1HnJdcBVe6325hTvelg2CQjZNDygG/2An0j1wKnL6y9vGBheUC8prQ8YeH9X39OVQSc7Mc6fCaKvAeHdCIVf4yMYCynTpX+nb97NJmlSQb8r8DQHm9YOFUZTKOzoXGhs6AxF0HIexcLBvWBuiHN8s2ne98R3qc6L4Vyb2oBVjfm9MIFHbjDCh6kPOBbQoG+oW8CO5bWVl6wsDwgfr20PGHh/X/1iaEIuDcCTIW/1Q4rFv8OnYiW3c+W2iKwUjKbyjQNwL1uuR6sAEgDgq1brXOmV81PxhNB6DUDBSYzQJwFtz623XcktX1Q1VWKaTF/zZhVazBVYA1tX5MazsGvobwe/jQr0Ne6BTh5uf/ygoXlAfG60vKEhff/rSe1i4DnTWDUACY1guFTDqLYdCBvf6DJYSMYATBfOx1kLfj1v1axH10nQ3Sd0GUkBnTfpemtBJgseIKQAHLQcVxa2TnuMW0Aqui5es8xBIegVdVVE8VhzHnLh65WMB9An+X18K6aAn2tO4ETl6vqbKuVFywsDwhevqg8YeH93/Rk70JE90nowxZbIJjvS3WYNSGUwGHJTpPxwwcbBuBrgRYBeKACn7VtpdUu/c0NJxO9BIxcKu4TTODzbkonPLoaL0vyUQRb2y8HsL1ckfWzMeuFi40Qezqi+yiPhyt7FOjr6/gCFwgP7Xb5vssTFt7/nQRg6MGRWmDRoeyTlpgw68GRTwgZgo1gGmXAX6/8dtaylSKY/koyID9BhzML3q1gAos2AcOrZYSoq/pJp1VtODRm9Z3LS/7WjVkvXOzEtOpKyGrlAT+4SoG+VY8vBGCvy/dVnrDw/vee65NBJiAjBIVcAJQjOm+DkCZEeiGAMw6sAwDZsJrAdhFM9rPGhd4904Co5oVuCZPV6kD40Ec6+9W8dBTBsfdc3nkpvnB82fp2RPcs79dHgb51LA9ofsDV6vut5/3PnxcAmLVBiDqgevDaJLkYrpuQxzcNwN8AWgIgRbB8loEBzXDwl4cGiDGft58SCOWGedgjvOJ+bPvgRkiuA+ZjzhnQQOiFNVbloa7l/fos0LdO5QENgEXlCfs8Qbf7HyMA3QVjYihYhLENgjX9y/qwxQmRU/asfd0ZcLU2CHVGyusJQLKfVi98CS12T5f7iECkHpsMkAhCF8+nshWH2I/jXsOYO144GV/9ApAIrS3vt4YCfetQHtAA2G+/4PW4/2PPbzMgmUMi2NoeSCRxIt2/FvuxWURIWCXg357gfTjEDNIHnTRXRCpH5ugKwGl3HpMBXQc0v6WLYVm/5limj04rG762K2uYY9jBkr9+rI03NL5ZbczS/dJ+LQyoga4o77fGAn0NlwdMAOy3vl/T938KAcj121z8Bn+Y9eWQJRz8Y6kNagDh2ey5EvxjxQD8TWdAuneCCO4An1vw5vdzQMmdktwq7pLZQR+dM34+ZumAxvY1Y04uqOAJ6FsExzeto7zfAAX6GiwPaLWR1lrfr8n7f/Rl3QGzmsis+/uO71V9OFgP2gpPhgr7TGRqRUT6dyvr4aIs/pm/2zVUNbBSv6G8e5pEv0Cvec7Po7+bTtjlBRlkvAMBkDeQyvsNWKCvofKACYBrre/X1P0/oWEAnnFD1YdjhtXxR73mX10FfCHHE9pVWcGAI/S0gKsfA2y+twrFZw6Hxf/F0Pk8Ri/kpGSnMuDx5T0iACgQHioo0NdAecBUHW6QdsV2/cL7v/Cyqr5gnc42CCOcfX1VIZ/V8We9IDmTzVXwPDJiXuKXPxtDBma8+lzP4WAgKkPxCUAPE4v5GzEuMX0PYJPLhB6FJsc7MAMmkVxaYC/K9gG+F1++8AQ7Gwbgk78I7GFpXgIwFiRXOwaJZPUbiR0yCUDRk+cHf+YpwMj9HgfI8ClGPyvsSiH0WSKRuYlitLb/zHM/JOSs5C/YIC9cMQDZr/dwxgOW9gtGYUBi0wA8l304vDQvAchilFbpIBQhZ7Ejq6ZQ0/Yhil8y4j89Axie9DAsD6FX9HOK3QtROTFkviN83kG4felIY8DCeLrSeMDSfsEovAECUFsTjHD+tcB+tkFgcXKvBRir7qtFl9owmO4Xy/1G3bAFfPrZHorFNWBFwHjQAFctIghj2kBarw06If/+MM9ZqTN6DgsDojCerjQesLRfMApvoGkAWh8Ob/tgAPSKWCp8ngNQtadjmTdltvNvn3peFYhgQQgh+iUmEaUAUoXM1yRLmWuFLaE9Z+XIAWBhPF1pPGBpv2AU3kDTALzwmqo6qtVh9kJErAudABia38TC5wJgS2xIhAwBn3yhByL4EhzXfRXxYsDTJ4IvrNN2JFMxZcBzVo4cABbG05XGA5b2C0bhDTQNQLZBYH1AVsQSAAU+imI1obHyblnjG/kJk3U8BHz8xVUQAhnQIl5CyNgKAGp5LKSSCoAySh5Jj79vTagcxUaIBeRNe79g9gq+DXig4wGzy+PONfT7RWFA4noAkGXZVAhcBckJQgNgrLiaNb3paIDo1vHHX+oA9LQBi4DxJcOUPJUnTgU2NJUyROs8irGARxQAC+PpCtsFd40H/AEf0gMQkLgeACT41PiGoLOKqyrJq3K/Ya9mNyr5FusN/uPLPIeDa8Bc+w3rtyl4VFHaMZc3i9RWBM9jjzgAFsbTFbYLRmm/YBTeQNMAtD4cBKDXBTQGdAB2MGBo8SCLmEuS1AFVAJ3A/NhPt0PoCcA8bSDG76XI7aySg6JYuGfKwJHFgH0E5B3ueMCe/Y4L+xVHAOZ+9EHcEgQgwbeiEYx6jwTdz4qfu7EhEJqxGqruf/RnHIAEnxgwBM0aC8aUAYWNBRCmoIll4HTqO122QcZbrgMWxtMVtgvuOx6wa7/jwhtoGoDWh4MBJ16WN4lfr8AqI0TVV1O1fa9BbQzovkAy4Ed+NgCQUSxZCFWvCOaOFREXyUwZOPIA2GdA3uGOB6wPaOz+QPv5S+MA3OXiN9aclghW+d3IgupBF2pPqxcxGenDPxfSRh2ASiKKiVP2PaZScvAKoA0VDc6cOlIB2GdA3uGOB1zR77iwX/F6AFB9ONSOQW0frA50sILVcckWJyIDSgwPAVcJgFbYuZ3FJvAlEHbJ3IsgJLGedeBIA+AAAXmHOx6wo99xYb/i9QKg2iAIfDJEJHqj4SExbEty0gkdhB/6P9oZbBZIGiKYVb9GKaN50lRHBLOvhDxh/5EKwDUG5B3ueMB2QGM/grb7/6wHAPNGMAY+GSGUjC52VX2f2CD4+HO0gqkZfegXKgBaHkcWtS0AWii9xG1ImrLlN5XR8L8fmQD05BVrmEENmpYSP9QX+KHiqj2/82+HqqDWwnbBRfGATdzAegGwru2DpRq7Mzq2fpAf0Nq0Rl2wBXzglZ4yUAPAmDSVWDBPHQjLcgTqOZ6zUvdKHh4ruDCerox/Dnu7YqwXAC1NI/QcEQuK6WK/kdgCTGC0PYAP/KIDMBgglq+hIkrOfsaCviLSofcJgJ5AdM7kkSaCj/HqQKVIGvD4swF8bcBjmzjsaQ2H5D/6acBd9wALB4DFWWB5AVherMp4GKIYEOp7+26UF0aSfT/xYuDG7wDjrIpAERytXf2vajj7ueryQXSFl10K/ON3gIWDwCLvjfGB8Z54O+Ee4ve6513uB2R1yzsqC+twbC8HcNVhfAeaBuDP/TvwtS3A/ePAIfYFVlPq2HHTuyulZCTlhbjhETF5yxTQGgPGhoHhIWC4VSXGD3n0tLkMHXHxu+YyB+MlPwDuZs5K6FlsbCzdVO9DuKfkHM8AEkP7B8fOkwDcD+B7np42+JkGOvKdAL4E4K8P0zvQdET0b14D3DgB3D0B7B8HZka9WzrD88N6sFm+YcUjrn7E1ZDvMtF9DBgeAYaHgSGB0PNHCD4BLwLRsByAyX/ij0/dDUxuqlIG5hix7eFhvLcOVUAtyPSydAFmOQNe6EYGV/9ZESiKgIEgtbaD/gHALQC4ovY5r5KwtjOU/XfTAHzzLuCmIeDuMWDvKHBwpMoN0WQzNtAaYSs0K4ZlOSAjGG9kPjCBRwZ0ABKEBJexYAZEAU3A7Oi1BeDym4EDnjQ1TwCGWMW8MXcKks0YOyZNlQOQjcgYIUHllEzYQ0ktm+r6oz8G4F4AXwXwRd8/kO9A0wB8y65KmPxgGJgcqYJTKYpTv2CCzyddQJRDOjKivn+Deh8BF8BnwBtaCUA+YYEyAU8h+c6Az9gNHHRmrgOgmDA3jHQ+iWupCeUAvNSrA9HNwqx+muk9nJVNg/CTfrmbAPwbgK8D+PcHkIibjob5o13A3XypWsAkG1cPA9PDFQDZM1id0i1KxsWfOrKnAFXlifCFFMMRcASigOcs2MGAIfE9iWXplS6On7UbmPaUUTXQrgsVMzcRj5Folg2V5ayUA5BWYKwOxKUafnosWjcJwk+7W5F2EKvlE3xcXaNYfiCYsGkA/smuqug6hcleAnAImPbO6YwRpMgjCAVAm/yQmKTv5hNsAf/i7SyNBSl2a8Qv/4/M1yF+BZSYlNQCnnVrpbC+mToAACAASURBVJcaI7sOSEY2NpaDXLqpR+vE/OVksDgImgGgghHoYJbTWc7oJtFWc65/cg2AYvh2ALsB3AzgVv95nS/f4QdsIkT9T3cBrGtITWZfC5hqtQHInsEGQn3UDDvEDEY/ICf7SxMOrAg8T+c00JGkvHGd2DABUYZIAONzCUDppCFhSukCBsLQrFtZe/IixYQpSyEoJoqnuPWrVRAubQh83HNlZB23z7j1ywmj6CIIqUPxw2Xeu9bx2jx10wz4Z7sqTYZaDD8EIDuoE3hMVEphWg66JIp90k0sBxBcy+iPIIaT1RtEsHS/yIAqw+VSNPWQfe5tlVEk8auXgVa5BUsEJuT5uoliAbE5AGotmIAjCPnR9xDG3TQernYAUupTdBGEFMf83OkApHG+XlvTAPwfuyrgSZOhas3u6cwTsUBVn2gTwyFMi8wjHZAA1M9fYGHDULJD1m8Cpa8fRxDad+l+Ykf/3XNvd11U+qiL39SxXevSsshdDFvgbI1O2AwAtRZMZzTBRuDFjxe1Xg8QEIB8yyj5yYIUxfQIkfkIRnmHCM712JoG4FsdgHHp3ACoMH2G6jM4lWzoQarSvwQ6MSB/vporVaFkh+mCLlpVR8Z+dqDZLoDOpHSiQeAFDkBjPrlgCHgCUaFifg67H/9uYjn4Ai1vpTERTAASBaoQJBAKeNqHlL6mwPDZYAOROag/EYRkPX34MwHIvzW9rQcA+TLpI22G7EcQKlJGsYIJhC6ClUMiXfBTbFUQAej6nPS/OuAl9pOOqIc2BLzg++3VmWgIEUz82cRuCAtLIHQQm0gO52uOAb22sC3JEWgRfPpZf2sQBQIgLydPEIFGwPEj8MlF2bSbsulghLftqsCXq9HGgHysznrGgi5qzTUTFH8FLhAUn3hIJwCN0HLncw37qaF2zoYvuKNivmQIuUNc7GvWt6sHNs26twA6vhyq8NEMAHlyntFrDCcQehyaPTl+FwAbXDcmAKMRThakEk8Q8kPg8SPL0qzLBl+A9QCgR6uZGs3vfHz8TtBZvkgGQrEPBVAUg2Sij50QAOjiVKI3saADJRm7dSLYWfSFDkCem/dhZeMy9pPY5QvSDYQyUJoDIK8qMezh3wY6fSL49PcGgCAA8pScJLIgAUYQEmz8RPA17StvGoBv39W24eREiBoNQSgWNI1HBkdgxJSw1AI+dFIbgOYmkjimQ1r6XXC3rAbCHycAgytohf8vsB/r2KRaRq7zpZ+D37HMX0s3DDcCUGLYaw53MJ4YUODzusqlGCQAOQCejuxA8UULUkxIwAmMAp8Wa3qkN/R9W+sBwOhIEPjk5SLr8HeKFbTQfb77csPIMHGl/4MPbReslPhNe4+MiTpi9AFGV4nI7MfvagNQLh/pfrYnDAS8aJQ42A2w4em2cAyWQUuJVQTGWLs1uL7DG9J1RjhA+jvYk4t3KXeMqijpzrud4At9z3XtP16yGfjKZmCGooYh1tZzvv8xXPFl4PoJYC97k9FlwZWD+Azi/deMZWeP13eQCGEyoERudChIjbb3mJYwH7V0QIKuCwj/gfMj0asn2I0FXRSHXfL/iRkNgLyeVj8ccMY//J1fyxzTAXT2+xoQViKYD/1hDqLxPiYxTgSvQrphphG97tz4Slqafnj7uk1kIQDZrvWTw8B3jwEW+RLxPgSiCERdPwPR7+wCPg/gulFgfruDkOMQkFc5x84e708JAMmCuRNBXi4TIg5CGRzGiBGE/D4E/C2r2vcAYJoify62i0aJSMhB+2IHoNwu0fkcjQ85pu3ack5nIBREqneYFyWLkAXIJHESe00Cyx5QyeL6F/tyEcDcrOW2n7fX8df0mME+/vQ/PQjhoy3gzo3AISYf80MQaQx1peH9wb7v2mrtmCBkIMMejp3jIJD1MsaxaMZ8v5N/67INAsB3BAYU4JL4DSo1J15AFPAEwuQHZJzkKfUAtOHLJSOQRWndBYQvCQA01cfnNopfsaCJaD2baBn79QjSTiOEP1EcawIpkq2kegBTNgHWEpOKF8Uwq2NRFPM4AqCf46/rA2U9/uVDvurB01zvAJpiiwOl3fEeciCGF+Ij11f+QkbSfMPfIzqw57mEFZ9Dl3Ps5HXWAYByHJAJKV7N+s0cCQQhwSlfm4lGZ0KB8C/rABgZUS6ZHITBSEhCowUYAAksF7cStWREyxRwtuPpOlgw+5s9sq6OaIJIIlUgEhA1edoTgHxa9HVw5jibZNF+j/9yGQA/7pbujZ4bwv2+cWB6tFo0NzYnkxFA+cvEAo43VBoEo2e+48EMXEOmD9F6xhCE8RwZEJ80VblKvDlmzwicfqy93/o+8K8TwB2jVSgW138FrJQTXBNlnJgmrjZwanow9CBP/rL9wF0jwAGWDtFyoN9PHutnIHT05mPXz93dMGQAPniJsjiBXiTbxDZFMF9NLUPQxKR5qezz1Y6/YZDH0D6GkdAkYJIvRalAdHAMmPZoYhb6NhDWvEyf/ma737CXN7R1ZC7hUbPgcFgqt/ZZjADnM1xqEVhYBpb4CUk5UsL7jQvj///5buDrLeCOEeD+YQchYwG9VIfyg1NaZszFiCH6DkRGLze5/dgk8IMWcMCjdCiCzR8od1B8OTwvJM8JEShFut1fzMhi+eRJr6LI7hYP2M/xVLwKNoZjUTwRMAQQmYyhWGQxsSADOflZ4kukj7PhZ75bETjBpkAGahMkcrGgwhsXeCyBHBj1wmOBQwvAwqKzoFeRV8ZaerjKYAuirmPY/o9X7q5Cyr7fAvYMAftCPGAEoYlBiVtFwLjtp2U4irj7yOANbi+crHyrfCbTquJV44O0F1FrwQGIMZFqdQDyP/gGSZ8TC0ZRRsOlVzzgasd/u+zpMByLehAfCgMQCDyGZJHFCCgLZ2f8mgI5qauEcVx9e5vACTgCTwEMWr5TdIpWKJb5MvrnoocDswvAPAG4VLGg6UKeqmi4iuDz4er30oX0FP7u5moMvIf7W8B+jwlUNAzFnlZCIhvGFRCeWzrgXSSIBreXTFZSgVLHAp4UHOFuociEEsn2PJwl/XEk0dzfSojeerFg1IOo5BKAveIBex1P67lgUzgWQaJwLAKRH04i14ItgDKEtGsRnWx49b2Vkk9wUefTGrKCF7R0JxZMqxN8cmPAxWcAcxGABKEAKPA5u9lEaAbCmKMI+sDN1X3z+ro24wEZFc0VEE64ABgT180PF9ZdBcDb6JpqcPtPk+1ACbmKjJnllwyuILunEAWjZHkBsrsRUnfD0qEiC5IJfyisgMhzWhcP2O14Ro4WbASgAMQJ48SJwchmBCDFa8qpyBbSP7OvU4PQ0p2W7+LSnSJUFOrI4V7w5IoBTQQTfJ6oTSYk2mQcpGRyH2syGjIF6EM3V/fM++C1CfwUExhCsmzCaQT43lZC3e1hBpEHh36XEqrB7Scmq5dV0XZxmV8WuDFzAF9iwhow9seAGoBcGtKjqAc+1l9rLb/1igesO55ysmCrC8ei6IxRMAKTWNBi6Xw98xNTFUi0jEcmpYgRAPhddpVi9OIEPP5cYD4CcLkCooHPwaW9kV+iwWrQHT8uA1fd3F7DFvgUHUP2k8jTiogAqLoxFpDgbMj9jXSuN7i9dLIdaxzBp5XVBMIMgFEnFAPKT9qPd6A9BIGI7MfPmf4U+40HzI8nWgq2PBxL4FEkjKJixGRRFyQQPzzd1iAUzCAQas1YOmAEoFjwkecDC/PAwhKw6CxIkCXwOdVJLxTobMjBdyIgfvimNvNJ7Evf4jWtdnRYD1YNGVuG93VWuWs4Jf+mlZCCZxwP/cnJ6mXVKk2+tK8lQQVHRTGc64SDAZB3Ey3JcxyACkToJx4wHl+YwqloGDICmYmTFgMQFBET8yyYzyAG/AfWX8mCGQg0BTRoHwt9KVaPE/HQ890AIfgWK+CRAaMRYnVdxHbhdY8Wslw1V93UDsmPIj9GxgiAioRRMIJNvoti+SW/Ikd0gwAU8+XxJcbGITJPDvI6XdCFREFSknTB83xka40H1PGF9dnycCxFwygkK0bASJQSVAbAYeD98xUAe5U3jKIwBosSgNsuABYogl3/IwgFPrOIg1Xc4ZrpAsSrvruykl2ucykapkMMh4CExD5DwJfWAYAxwk4MKPAJgOIjGSEGwuCakRhemw6Yv0UUwRf7L00L9pnsNx6Qx4feY4O8pDEcixOjsoTKKpMYjSFYYjOC8Eq3Wnnr0YYS+0Tmi2HysrPGLqwASNYzBnT2Mz2QD91laxLB0gs12GAh81cf/o/OcHyJ+qj0S/zxnhUZbSyYWaL8+Rq2S29wowiWkJPan4MvgrDDGAlRe7KIywDIgR3meEDWg9HbJgApNTkXo8o0i7oVgxnEgFr8F7jEdnU5GvqfJQKQKyEOPlsNIQvyvupAGHS/Okv4qv9oh+PHxMLk8ggBCRxvAmEN+AiEzz2iQfQBeNmkh4K52hJBKOaNe/FSLobLRXCz43rQnu2yi9oMSMDxs2jo8303ERz1wsCGZECF4kd3DwEYYwJjhoNlQrgIjlYodbBPrwMAZfEmyzcIv27gs6XDzC/IR1DOgA9a6DRz4wZAsZ+LYXvQYsHoD4ziOFklna6YD3+nnU6dZ7bGDAcBUImIAmEUw/zbJ1i/scGNDJiLXmle3RhQ+l/aq57gUQCWzwwBKPeLsZ/LFrGg/ShRXAe64Ajkv30kALAjF8R11Dy3K7KRwJcsUTaqWScARou3w/INVnCH+A36n8RvM3nB5XP4oD6DATBYwGb5ajlOLOh6X8JaBKRG77+7ygGYp1bn+V25/01AzBnwQ1ypanD7KWfA1QDYC3zJIj7KgOUzc9nFbetX/r+O5biwNhyX5uSEDr5o0xsJwLp8/m4A7GaJUv/j3/5+HQFYJ3oFPPkho/hNeqBcMkcB2BAA6XrxmMBkfFAci/m0JpwzXw0TXvXtzrz+PKc/Ml/ugzM9MDqCAbz/keVjjGcQA/YLvjoguo1mRslRI6RwfsiA5nqhL5D6nscF8gfTdfxpS+/hLzvWfzMQCoB1Fq/8b3VWaPIDZqsRV64DALsZHVHs1gEvsqFAeBSApQC8pHK90Oql4UEAyvCwNeGcBXNLOPMLftgZsI75ouUr9ousp2TEyIJ/sU4AzC1e+WIFshyAHPZREVwItrrD3wGAhibTYBhxVpe/xePyrNBuWaoNp3DgFwC81O+RAepK/a5Lfe51jxr7JwA83nPXYgq1asl0yX5N48+f4VEGLATlK1vAo5YB1gBSRmsM+NFE57lcfPD5pPFWCJImtyvGgGfOAacBYO59zFglgHgPefZsXV6/gPXBYeC0RVgyJNOGYuJjPka9eHWgjL9bWzhWk0/n/wPn+k8bgFNmgYcsVflZnBRmIShtJM/m7JGibGBoOIIez9wKPP4AcNpylfbNlGfdI+9NjBjz8JVzppckZuJ+dBw4aQ44drk6j1LIY9JkPD7P4s2lwVEGLHwJnncscNIh4Nh5YMsSsHm5ndOu1BGFThJ8/K6JrZtoslST2+XHA6ftB05ZAE5crgAups5TfaL6EF+UyIif3gAcOwtsXep82eIYY9JkXpMgMp/AeZQBC2b8OduBYw8C2+aALQvARgJwGZhY7swEzbNa88IRvAVO1qkF91J36DNOBE7eD2yfB45fqphLnevzdGeBKBfL8UX5/CZgyyyweRHYsFwxYHzRNK6oetSBMDLjUQAWTPqPngpsnQK2zgKbCMAlYMMSME4ALrcnR6JYQIwsoUnjpDRstOLy7cBJB4CHUGwuAtuW2nUDVH1EFUhycSwWjGD64mZg0xywcaECoI0z5P3X5P6nWlHdgHgUgAUAfOYOYMtBYNMssHEe2LgITBCADkIzSJZXpCOnIg25uPrhgnupO/TyhwLHHwSOmwW2LVSik2pCrDsQskzNIBGIpBdGI+VfNgMb5oENCxX4yPRjPj4xaJ0+WGeEHRXBDUz2Mx4FbDoIbJypADixUAFwzAFI8KUJChMV2SUaAGc1cE/xFJef3FYRti64nkqWDrqqEhbrsm5zvZCdPCd8nHzJOLZuABRz9hTHZwPL7LnLnoNMIY2VyaKcjtZLHOAbNgNPngKe4BacfGF1pnydD+hphQ/8XV5UiEueLGnDN1tWXj/3/4cTwAUzwGPcRcFJiDpPt3FLmf5vjwE2HAQ2zPrEzDv7OQg5OSM+ScYQy5Xbo8465u/ZfLTJ7fKHAdumKxVh8wKwealSE6inEoSy2MWCdbUHIghv3AqMzwHji9VLZuDzD8cXxxWZs5c7apmW0fMBnIHKn5X7d6I5npvRz94O7LgXuGIReJSb+Xl1tzqflybwRwqf9i97BQRWomWJQ7oZVFtJoqDX/b/oGODsvcBTATB9gsfGqmzdjtVz+G+PAyamgYmZCoDjFE2anCVg1CeJwOMnTRB/DmUINVkkgia3y08BtkwDW+YqAFJFMD1VAAw6XG61R31O9/fdrcDYPDDmY0zjc1UjivBuAMx1QdMB+WAYXU8dhEU16dOSkppbcHFSrng8MHwnsGMPcN5ypURHp2xMIa7zDz2z8Gn/kVe0YomO0wEwBYKujL7v/zHA6C3AxfOVh58g5AsZxx4fZM7sf3h6BcDxWWeGBZ+cMEFiwGEHHRnDzun7ONHs/djkRgBunql0VDOSHIDU3cxSD4aEajhFXS4H4S1bgVGN0V8we7E0Fh9jVDG6Obr1LJMRwn+kOCaTEYT0dsfqZHXl/p7PrLi9wIY7gO0H2yAgCAWCWCowKrYE8nMLn/a7PQn9X7zIJPPkCcK+758y7x7guNsB6l98gZjLLYet3Ay5n0sv4R+fCYxPA2MOwLEAQLIDPyP8uBg2cRYmzFweAYilKkn+OC8/Fdh0CNhEA4nGA40kd6FES13WLO8v1qHKAfh9B+DoYjU2Ak/js/8NAIwg7OUb7LCC+WAfB4CpBJoIiTRNRmS1l13kqWh3Adv2A8cdqqp1MB+aIOSxWv6pq5D2kkIAvt8rF7BLJksN/jMqfa7v+7/Ak4B3A6ceqpasKMq5akAmlLWY37t8ZW97PDB2qALg2BxgAFwANEGcnI5JcrDZRPlkaXL4u1KJUAfAjbTQ59x6dSvdLPXAgGYshZWR6JIRaXB/NwFI8C1WwLMXzMeSwLfcXuKrA2G+wrLCDcN/IIg4ERRn0qvyySAQX6mG1XuA4fuAbTOVwktRRr2MLCoQyvEZ/UY/WwjAj3jtFJZkU79g1ghkgEBf98+0Umb/3A2M3lkBl/fOcdMok2EjkZyv8773LAfgHDDKjwNwxEUw9yailpwdxBAEYhBbAuGzG3aKkQEJwAkCkOCjlb7Y6SYyf2UwlAS+vKYnAXjfNmDEX7DEfA5CjUcsnzvbu1nDtUMmCDkRZEEyGdlAk6G6lQTSa6m0MP6HuY73AxNTlcJLZ6WOJYC5/CNxLpHMgdKIKNl69Qvu6/75AjHOiTU87gKOOViJb748BKCWrnK/maTA+58AjM0Ao7PA6Lx/xBAupoYDC9okBRAmPdBZ47lNA/DhwMRsxX7mPgl+SrmK5EaRNRslXFQ9CKB9DkADn79cZtkHFkysJ103eBbqlh97DpmTQTYgk9VNxu+xYbXKU3lhFoJPOgdFGY+lPkgQxokkgF9Xgj4AvfoFs84eX4Ke9x9fIC+tRfDxvvniif358sSir2LCj5wNjBKAc8CIi2AxxLCzIAGY9L7AhGIKgpATw4l8wToB0JjPrfTkp+SLQbHrOqm5jNyajS6VCMIpApDAWwQ4LrGgXqzIfnq5cv0vN0ZXHTInME5GBNLb1DGdOYQsI7AfGKFjlgqve8wJwG4T+fuFAFytXzCLb+VgWnH/fIGYfc46Hs7iHC8ZkPcdXx4VfVXJw8+cA4wIgM6AHSLKWZCTESfLfg7WsIyRF3ckiRQ+HACXkwHptyP4KHrpJvKVGnOhRF9eBF9wE0mUEogz2wC+WGI/vVxiQQIxAs9+rmHA6E1YFYB8DJwQMZl0OrLZ++i7sfT8zroYHLS9df4RACWKxSZvLXzG/fQLZqk2gqn2/vUCUQ9UZaM9wDaPeSPrC4A5C1KV+NITKwCS/SiCR/jRBDlLmP7nHynsxno1IPwJSyRpbiMADXzuPDYfZfBTEoAmcuVQdiaW0zwXwQsCYDYmMaDA1wG8TBSvaoR0G77EcGSET6hjOvVApfRPAUN0zjr45JzVcSqiTxD+VeGzXku/4Nr7JwDJOkxFIwt6j6+RqUrlkO4bXzp1gCAAv04AzgLDDsBhKugLFUvQUhTwCEKbnKCw14HwJ9cDgGQ9WegRgDI8XEcVEDvAl7lVlglAgi+I4CR+Zf1mLGgMmDFhBGFfDCicRJFERviSABjLS7FC0MFKMU+07wOPE0kGvaoQgGvtF9z1/iODkwn3VWoEXxres5ib9xx1wZufBAwLgAQexbAD0JiQwJOuJBA68/H3Zhk6+3CifqqwWNMKN8wjKgbk6gWJgC+FMaBb5vJVmsUbV2vCqo3cRWZcCIACoax53+ulkqNd7iqOcU1WcC9cxEm5kQBUdZ+sTnSL/jEtTWngi21jhJNJBivZBukXvOL+yYBkcOqxKjJ4AGgxzMrBVwdAMmHrZOAYF2l6y/mwV6xD17zmWo6MbRyeWtOHwxJ91IIhr6rqZS70DPPLXDVUrfBwzHKr1EUp6/h0T/6L/GcCqslt4IhoTcwdAqDSs7I60WQH6R329pHuFyuXDJmEjuOSbdB+wSvuP5bGUjmsA5XoUvcvBXKKAQnApUdXwah0b8jXR2YzJTsC0ZHB33FL+2yiX3h/1YeD1fFZGT81g/H6yqkVa9YEpqMhTADle8erHA6t7Mh6j4ZBXdBGjFyO4CSIm9wGBiBvgqxwIAJQlXIyEJLyI/i0SkAG/FbhaEr6BXfcv+5dLKhCg4z1C1HEBJ8+BODQGZXfk/quAZC6ketAZEQCTWAU8PIJt0fgwHzZvVWNaKqi7JLOmtDWFy42g1FxH/XfqGkII0C+a0tnDkfsGxQjn3VPsk7tXmuy+Xp0JhtoJosAaFcUAJUYKiYJxcqHqKAH9rPlG2cMrmCUbMX9guMLpGTcCMKDlZGhMK8IPnPIn1X5PA2AwegwEEYmDGBMjOI5whGQP3NPBT7VJlRNaKvF4t2IWHbDErtDlSk1p4lJ7/zd246tglGZryIfrFhQ7pU8WCAX0ZENG+57U14Z4YrCeLrSxXdev6TfLwrbxT7znMrfKQXfHLQCnyvmRIv0Q3430ezMmL98P393G3wqz6am1NYzzoGn+svqRmTAU2citctqAX/2EI8F9ACEmLHXLZGoFxtSl2xyK2bAYwrj6Xr12+1noL/jUTCD9vvFrn6u0v1/nvGkaoVBAQi0eummMAuXQHMWJAA7gCixG8U0gFfcXdlBKk4Z6zELgAJfZEKrxpC1xOIl/+Sk7jkcdYlSco90y9+gK6vJrRiADD0piad7RuFo3udNCgft94vCdrGXn+tujgV3QAcHLcFnroelivHkchEL8ue0uQ74S3eubAITS3IQhKkMRjBMokgWG3L//2z3VSnP4VDgQWxUEEUxAZFHL0eR3HDfm3IRbDHkBfF0zy4EIKNhSvr9goGEBdvTz/MIYQLQdVsTwRTFDj5jQmdArRDYJQNDSs961R3tPhx5NXoVgoxleHnarjohgLec3D2HI492yQNvIwvqO9fJm9zKGbAwnu6FhaP5pFuMg/b7tTbpBdvTz68cz/zI8azVj8iAHTqgmFHXDUB89R2dtaC7tUGw4kDOgFb0R2wYRDGZ8g9O8aU4XwPOczhiwGlMjqqLWiFYGu570wADFsbTvaxg8nkow7E8nM/atfKzln6/1mS4YHv6BQ4+Z0BbqHcd0NwwYbVD3+1yWhXJxPBrbq8AqE/XApSqAxiBV2MZ/54DMOZwKE00rnDUWcR5KiV/brjtSAMALIyn+/mCyeehjIYp6fdrvVELth8RAClyHXxmhPi6r1m8FM0ucgk8+y4RHC1kAK/5XgW+2hZYofafWcPq1B5AqDqEYsQ3nepR2gqhV2yiol1COkD0C+aOaoGx4aL7DQCwMJ7uVwomn4fm7VrX2u/XAlELth+5sHPtN+l/Ap6sX2dCsZ/phZkIJgv9l++1wbcq+2WFv2NXIjNKAPzuw7MUAV8DTuynFIEsQy83RgTAhiv+NgBABaQOGE/3mwWTLwAqHnaQfr9GnwUbARgDNBUlkpzQboyYCyYDYdILdf0l4NduW9kGoa4geNdazLElKoA3Prx7DofiETtC6XvE7hGEzJlpcis3Qgrj6d5UOJoYDcMglrX2+y0NPtl5UZUjkfx/Hqbecoe0OZzdF1gHQrln9Bhee4s3f3Zxm4MvAk9VSFdUIw0i+Q2PaBtISiBSSFgCYMjMW00MP7pwvvLDmwFgQTzdHxcOSGvBg/b7ZRZByWYAlOERluKM3Ra9CKWc0q73dTBhMFT4ZwIw9l5Lrpes+HjeBiGCUOKXeuBvPcKTiEIOR0f+RhDBMYi0Lhea4GTaa5NbOQAVDzhgPB1La5RssV3rIP1+7yy5OAADoAchEHBkFbKfGRpiweAPtMs5IFNokyOGk/7rAYC9OhBFwNXVY1at5tftCBHaWVS2AJdEcEinrDNC+Lumiyc1B8AB4+muLARAXTDCWvr93lR4/Z0Xt6ODFQkj8WtumEwHTKDLQejAfN3uds/dfjoQdatGLxb8jQBAYz6/boxiFgAVudzNIc2/s3xLk1szAORoB4yn+2DhaATAGJCtbpkCYq9+v4V+aBgAQ4i66XtaC85YkDog/zdZvzUgfN1N7a633Xqv6fe9msDIHfNaB6Ay2JRE1AHAEDIfI5nzZCLeN4Nbm9yaA+CA8XSsul6yqV0rJ2WQfr+splCyCYBR/HJyKX4phs0PKBZ0lqOYTpvniAiUAmAd+HKjo1cvDjHgr+3wPJQsVCymUZrPMuRsRBDG4AQCsunyJtFGHwAAIABJREFUcc0BUJlxQoH62q8ST8cggpKNAFRGwCD9fkuvbwAkyGgJE3C+Nz1P1q9/T3F1EZBxvZh50s6AEYC5yyUHXt5/Q8zI5/KrAmAIkkipkyGPYwXz1aRT8v5ZO6jJrRyAvKOvNXlLazsXs9bo/ztc29Pohgotp5J49Rcj/pzfIwGS//3OM4CNd1dpntQpFUmjEH4LYIgnyn/OLjL8FeDGhwJbNgFjI8DIEDA8BAy1PFK7FSKf43cNKrvHx+8C/vmxwMgmYHgEaA35J0StpvvzL/nP8RbLAfhyT207TChgDRiu/ZL9DsfWNABvYzbhCDBKoBAk/pEobGWTqp819hzQ1/0k0PoaMDEJbJjxVZFgDad0SaUO5LksWVj+XScDmw5UEUDJ6U4d0nVbC91S3ovfVHp5al64cgC+k7mZAP768KCA0WD3A/ieLz090CDceVmlAuhBljLgrfcAw6PAyDAwPFwBkCAbItM4a/FiNtERjBl76W9ffD2AbwJDdwFj+6syImRXrd5Y2FjIYcnzWPLEqnsfC0zsr6qBMQmfIDR/pyJ6xMhKyMrSDiKD2xja6TADTt0/AGAs1KcAUCFrOLF6tbtiRVFavT/wuMCa7MfVTlH098YBeBcwNAIMEYAUlS4uBULOmK3LCnwOPANlEIOSoF9+C4DvVoWXhvdWZVOYqWgi3vOXDUQhgieB0EElViMYJ08HxqeqnG8D4IIDkAzo51DKQQJvBKUmKACzbM4+5hUivwrgiwC4LzvjmgCh6nBcgiMTcv9Abo0D8E6g5eCjfpUA6AxoQIzgi8ALmWwC4z//DxcPPwBak8DQFDB8yJPpPZHeGCyC0KN5DFCByfh9/+OAsekKgEzCTwD047X0SCPM1IYQjCv2E/MJoGVwUUQoPboq0MdqkWVn7RtDDMahB4g+P6qhXFpjVtkDtRGA2nKjos7IyOyHFUbIrXe0FXsTuzIYfNb4O2M3ATGIYQOmPn6hG6gi3eUkQQAeAIYOAUOzALMVh2pAlESqGFBAXAYOMQVjxll03iO/yYKRAT0FQXkwZkjp1pz51LO2XAT3KtD3AIAwj4Wg05kfiuUHYlsXAJLVnP0INLM0OYFx78AzcRySeTsw2AJueI+Dj2Fne4EWKz5MA0MzDkCCkAByUWqsJzarEanzj2zXwjEGFHuGY+pYsMojzZL1G9EBexXou339IRBrC3lJGmNDuSHX+w7WC4Cm6wWxm8DngLTImgC8pBcGBuTXf/1fXnyTugnFwxTQOgi0CECyIFlsvvJfEnh0mhsYI/s5uxFYi1xZof7oOqSAawwYjRGBzYGXbtWXaCIrlvHUagX6SP/ruMVYCEbEqECXAMjfree2HgA0ESur1/0vtnNwGSsG0RsZME20/+/XWH6Mugk/yngPAGy5GDYALjiIHIgRUIrsZjM7Ax+BSx1S4pfffQVIep8dL7dMDsTGjJB+CvQxTHmdtrw4l0CovFruC2NOe975egDQsCXRK/eK634JhBK90q2C7I1i+Gt0jxF40k1cPJAB7UP2m3MGJAAFQrGei9iUTH9yBUDTHfU3B5+BOIKQ43BWtNtPcWIOzEZE8FoK9K0DCGNxLi3FqaKA9gTgeoFwPQAoI0OulWT11oEwiFz7cwbErzNxWtEYBB+VY76Vh4DWrH8IOoGQ7Ocg1CqMRLPltmxvs1/SHaP4dcAJePYyyUCRIzrTB8tE8FoL9DUMwl61kQQ87Rmy2PS2rgB0a1ci18RudEJH57OsY02y/+83/sZdBKr4FXQTApBvprGgQCg9UEAM+h9F6ugJDkC3gJPBEvRGrYoYCBX9IxEcS5K4i6cZAHIw8oXQ4mLBb35YH5d7OekadtTV1UZSjaEIPH4nQzYNwgjAHNwDuWGYpZc7lzPfX1cQur5oBorfzDf+zi0yVTuSkuxBI2Q+PhQDIUEnMLo1TBCZLufGw/ixbQa0KB8CTODjPohdY78IQmfDjmW7Yo/doAX6GqIiAtDHaYswSmeMubV81kp11L6hy2PdAcgblfslOKC1IiKRmyRxZgV/8++DS8BFrxXi5Hd/U6MeSKdqEsEKhpBRsgRMbAtuG4KU/+9ry5brzP/lPVMv1EPOQegharrVcgZUhVHFxNPcp9VFtlOWkL437C0WABWypFRGsV0sb5Hn2zYBwvUGoKl10v1knDgo0y7XA8Pfv0UACnjaK33Co9gJQAOe64FkNvtZAHQdjz9v2Nz2GSa3jYej2W3KGuZ9ixGdIVSoKT13B2s5AHkGheST6qn0erHv5AIgAAU+LVfw/wq3CEAV7clBKDDGZG9/5oVXx/oyYARczcqH5GyH8eFplTawFvAtrtXLGpNrQDGbejupB3omlIHQGc/ErzOcGSRs8zrhAbbuL1Tco/JfbLlNwHOmi2kIcs3owbdwNpYtynDQhsFcgvuG9/YapGFvYX22zZcAU0/GwA2LJ/4AmGF9mwEbBu98Y3cMF+uAGQCj2HVp3BbPuo3IlqxAy5wHAq4OfARmEBXGfNIBa0BIsG0ecwC67merHgRpZLwocrWaovuTxew/V0txJQ2DWeae3WAGbdhb2DB4+wRw7w5g8Qpv88liyGtoWHzMi4C9fAEHbBi8kwUKu2xNAdBxaGBLbJdZux1LwAGECYAEm6wyfpelJrEgFnRDxESwgyUxIUsVMwjVy5AYO0bG89Auu1/5BF38KqjBHlUAYXsteNCGwTeWNuwtk4JMkrlzGNizA1hm69g1Nix+zDOBW0aBeRZZGqBh8M4emfWNADDT+zqMjQyESdQFHfDbZECCLRgdHeCTe8CBaKJY1rDnBRCIAuGW4TYAZeFG8ZuMkGiQ1IEwGCJtHZBmy1obBsvVMnDD3jIAerti3LEBOMjGcOpa3WfD4ic9t6oveDtLfw7QMHjnH6wPAybW6yaG4+8D4HIQfvtDIVtLejpBFsVvUI7NIBHw3DUjRzL3rDVtsYPOkAScuX3coNDynT2VYJCkn+PjqvUD8hVbS8NgjphGxcANe8sAGNoVY/824BCBtIaGxRe8pLKZdpMkTvXiJ2toGHzSNHDPScAyq3er4qPyGaNc7JCRXWLT2TjwGmCOeQashq6+qSpZmp8vojQpheF58ncdZVjLnjWPHr4VWKTKxrHGUqq97qXu3jp0wPy+eEC/DYNZsZAO6IEb9pY9lNCuGPcNV830ZmkM9dmw+OKfbdcXvJMPdY0Ng0/7GnDXKcDMccBS7MwdKz8KCAKQIgY0MWGCtr4TOHAasMwOkTqf6unyuLykfd254nkb7qsw/iVg7jhgmSX31Vpd9yRHeLx+zRhjEGRbB6wDYT8NdymyubzDzCCGfpMJWfSRYfr9HP/aMgBm7YoxNQHMbQHm+ID6aFh8yS93tAvGQb7da2gYfPoXgbtPAqaPA+a3AEubgGU1RM6B060fgkRoCzj+TcD+04CFE4BldZdRc4/YxlxgjJMewSiwN1zWfsOngdljq3EmY08vm5i/7j5yIMqpvupKyGoNg9lngYosl9wY/0dZdrMzYl8Ne8sAWNOu2MA3zw/F2CoNiy99XbvftrcLriz6PhsGn3U9cM9xMODObQYWCMANwPJ49UliuW6SaqqBn/gGYP8pwPyJwNIxwDK76ahDeN6uXYCuYyABkEza4LbpY5WEWdSLxjF26/dQB0SJ6r4ByAN6NQxmkWcqrnQ00x1DEDJFjR8CcNWGvWVPp6ZdMQ6OVOCb3wAscPJ6NCy+7PerkP5Q3tBY1PrT9tEw+JwbgPu2AlNbgVkCcCOwtAFYcgAuiwWlM/XqDjMEbP9t4MB2YO54YJFMo/5gHIcALV1TRZ17FXOhPtvgtvkqf9H4kvHDlyKK4l6VzvVSBF22uwjOb7pbw+CfcwBSkyeFEHAUx/yw9JTyEbo27C17Ol3aFWNuAlgIn9QxO2tYfNlbK6MvaxeMRYquvL9rTcPgJ30TuH8LcHAzMOugX3QALo21WXBZLEHwRF1OgHS2eOgbgIPHA7PHAezNu7QFWFZ7JnXJ5rnqxHEulvlzwyVNN3+wern5Yovl7SXLGwvn4riLWO4fgMRJXcPd/+pmOymELEhRzBxJAo9gVL4kwVnbsLccgHEpWi3epocCAMeBRU5eTcPiy/6qtl0wpvhA+2gYfO7NwOQm4OBGYGaDs+5ExYDGgqP+ccAkINaVpB8GTv4d4OBxwNw2YGFrxYCmV0YxLNYheCXau7EhV3ga3Lb8g4+R45uoGLADgHWqhsBXA8K1AZADyRvuvtkBSArh+i9DsQhCOtf0UUgW/7aiYW/Z0+nRrhizoxXwFhyAi5y4rGHxU66qAFhT3rDSIVdpGHzencDejcDBDcDsBDBP1uX1CMJRwFiQIBzxieL3KIY1YW5MPOxNwLRb8gs0aghAss1GZ1O+SFHsdRPt0i/PLHu++dFb/x4mXfhcbWxhfCtYMFr/uWvKxfDaAcg7ipPCvFOVpuo3HrCjYW/ZA+rRrti6TS6MVQ+L4NPH2nx698GnXF0BsKa8Iab4dFZpGHz+JLBvApieqAA4J8CPOQuOBBAOV0CUYbIskRkAecrvAdNbXc/aDCxSpyT4CEIyTgRgneiLIp3nP6fs+a4A4N8B8/48CUC+ZGJA29fpuLmxJW+5h5kNFg2jiWHSi0r0Uv4pCoZsxw8DUfnhd4Vk0XGdGvaWPaBV2hVjdjgA0BlpkQ/K9bmn/HOVqtClvKEBqlfD4AtmgP3jDsBxB6DA7tdbcvYzJvQJkii2n4NOeMpbgJktbYPGACiF3wFoEx1ZMNe/4jnPLXu+KwD4t/5SO/iMBcXuesHylyACMBPDgzGg7opM8mEHIGdwrfGA1rC37AH10a64Yr4APvvOSdwEPOVbKxu+K2pdKRTmdI3dqkPPVgbSTBGAY8AsATjWniBdx0QxJylOFCcr6HBiw1P/CDgU3EgEIMW52M8YkLolQRddIN1AyKWiBretf9MJQN6HsaCPxe4rvgDdHOcOxDIAcmDFDXvLnk4f7Yqt63gEIB/Yoj+4p9xaAbBHeUPM8qF2aRh84QQwNQYcGgdmx4C50WqCFngNsgSvQ+Dxu4MuiawhwIAXVk1O+e/A7CZgThY1dcno1nHL2oDIyZULpBsAFTBZ9pjT0QQgn2V6ufRicS8QRgbs5ZYpEsENDejBfpoLrwAOjgIzZMBRZ0AHoUC+SOA56xJwNlEyTFw5FxBPeWvlzpnbANCdQ1eSGTRybMuydgMggVBsKmtYoC6Mt8znZxsZMLzAxoAOvsh+ydDqtXx4FIDl8L/omQ7A0QqA82S/ERdTI22mNfaTuBIIxR4BhKe+y61punQC+MytI/Zz/c9EuvyBeetLAfGZ5WOMZ9j2/gqABB1fMLsHAVBqhfTcyH5d9MByEdzs+B50Z7voGZX+NzNSsd8cwUcG5ASRKYbdHRNYwhhDIHRgGmO0gFP+HJh15jOXjnyKblVT5Cbfoq+yJOszF8P8+VnNPlICkMAzds/YLxlYznrJwIpO6egTPMqA5ZNDAB6iCCYAyYBcBqTRQ0e4630SxZyQJQIvMJ8mSeLrYe+p/GzGfnTpEIBy6US/out+K1wg+brs88rHmDOgAVCMnrEfxxMte1Mt6j7u9zzKgIXzczEBOJIB0BnCJoqgIfDEhM58SWzJEPGJe9hfVH42un/Mfxl9bgSiBySIBWnAJBDGEDAB8QWFA8wO3/a+wH4+rg4RLPYLul8tCI8CsJmJMQAOuwFC9qMI9g9Z0CxhZz65K0wfFBPqu7PEyVdWAOTHVlTcpxhXHZLz1w0ZA6EDLhkCskRf0sw4dRYC0PQ/vVSRAYPo7QCdj7GqVOSMeBSAzUzMxZcDMwLgcKX/zbv45SQlHXDIgagJc+bjZBqAWhUoH/Y+B2D0J7rFa6LYDRmzomsAaOeKqxEvbWacHQB08JkRIteSXiSBLYJOLB+X4xrzAzY7vgfd2S4RAKkDDgPzNEAIxMASSWF38WsgkuXLyXTRSRCe/DduSZMBMwe6ObTd8JBj24Aot07uDObPP9XsIzUGFPs5+JJ/M6oT4buxHv9X7BeY8KgOWDg/Z58GTC9Xq5FxTXOw9c3Cm6k5fPcjgbHbgAlvVG2tH1T3Oavoq6BlniZ+12n5u/2sDbOvasqoFg8x2Lnbcd1GdhSAhXN+7qMrAC4sA8sORJ6yHwD28z+Ft4fdv8UyqUDrDmCEBcpZ39kLS6aq9l4D2rLb/KYsFTPWdfbvh86vQu2s1K/K+zIjTsXIVQ9a59Egs4Y6sZfIA/EcSp/jEXv8BWcAhxaA+SVgSQAkGAMICcwVlNLlqTc9Gbv/HAA7MrL4+f1VlXwrUq7SvCoyGcrrWpGhuur2fNGYwM8YT67hT3s1LaZvqn5MLM0bzmHMmIFSgdFNj/mIBct63NhFZwEzDsBFgpDPeanNgATfCtGsX9TIKwNrg9tuVkhlng7TI/YArX1VkXKrEe1l2SynN1RCsFJsqnQv3UIMxhwIRjU5AGN9QUteVz3BUAvahuNgjC3HxLAND7nBp/cgONXF5wCz8xUDGgCjKPbvevlzcKUHH2ag6cnYzepYBB9Zi2FxDJdjoXJv1WDFiLJ6MKqKZUzoQFTfj2HmwTKcTpVWvcxHKm6kKgoORAEvVclPD6NdzLXpMT8IYNPcLV7yJGB2AVhYrAC4SNA5AxKM9ryDPE5fs6eeVKWGZ2M3S3MQfEyJUKV8L1ZpJXpVJ9pLilmlAxWkVJHKwIhjjD9TtVXVm1HdOy/pJiaMFRWM+bo0rWl4yM1N7oPhTJecC8wRgAttBjQWdBBGESwgSiV0Pb9DRgu0TY19N+M1mRKh8niqFx3rRDsLqjgl9yaGXT80vcL1wnE252PAZCzAHQCoiqoW3yYWFIt664fUpKaREr1NPakH6XkuOQ+YDwy4FMSwgU8GSRSz0UJx3Vx/5vFNbrs/EiLRY+v4ACITww6iJEodQKwBIyBRv9vwhKzUW6z66TUGEwhDS3ezqusAyNxnJn8xa1KRPSFts9YfFB/QDZcAm78CnDBT5U8rCqjfc3yh8Gn/hGd/MsKf1+QzYJ4891Jye13iy1cAE9cDJ+6FpYrEkidxDN3OtXR+FwBGMezoMmxJLOumAuD4J4rxJrfdH/XCoLGFVKiUbw+LAPQqWWaMMLrd6/+JycSIm85w9lOpt1j1MwAwFTiqAWEUxeYH5ENn/jInUVHeMXQ/f/jRePvCa4DhTwLHfBc4frGqqaNJzLPw6iZxV+HTplFGvZrXZT45N39+HW3TujlZv8D6fp8HRq8Dts9XIOR5YtakgBgdrrrt5Qsq8Ssd0BhQ4HMwmVitAWHAY/LbLDQNQDaTVJ8Q6W4qVB51OOqDZDPVB3TLOBepW5jmqaLbec3jGgBGMSxvvemDYkQ9GoKF1ShUCSKCqBeQrvmfVZPC1keBjXcCmw911tTJ8q5XgOLaQgA+x/OdWA2EGZ98gbjleTHdQHQN+2iwls3nK3/Zhj3VeQhovYzdxmArSwQgDRA3QiSCJUrTnjfl4KozRCSCCeYmt90EoJJbVCk/1+FiCwFZxLk4dRfLFia6x8LbYkD9v9cXtLG6+O4AYQRfrgPygVIcqyhTXcWFOJH8fh3rz7EKwnUArq8mcGwK2MCC1i7WY7Zenh56feHT/jE3yliE4TZncd636gPFCKWavGhcRx2J+cvs9MlSw0Ty3cCm+c7n0G0MExdW4BMIbTXE9UCynvyCCX+Ovm4gbByA/xisVgJPpXrzLj4EoRJjJIZrWHArS9iprK+KcefgiyB0XVKGjOmCmW9xhRVMUSyRFnNeFGEdI2q+/HFXclkp9WsAbgTG9wGj08CI64WxRk/OTDcUAvBHXSLQxcVCDMQSWbzv+1e7WVbz+k5w2tJtsbcCYV6WJY7hmAsDA7r1Sz3OgOgoM+KTOJbcjSI5yGIaNE1uuwlAAU/MF+tF5/0sIghVLdVdM2S0bSzHx2Mi+FTxXf8X925NC4BycK8QwfmgVX1LlcFiykEMcL2BndJJ7aQfijKfxLGDwAhByM7aC5U4qwPzNwufNnNuOH4VZaCPlPo2AahqFqoPVFc14ga2m+WEEL0cAz9kdPrOmMu8r1o/rTsXz7f9oswFs+jO6LAqkvC3Ggg5Fg6mwW03CUI6X12h8lyfcz3QHqr3DIl64DbqaQKc9mI87QXACD6vpJqY0EVxz2CEyCI5eMSGX2e7VtI5J4yTRyZhscrvt1nQuivOAaNLlYESwcySgiVbr37Bfd0/u31yEgg2FVaiPCeVOguqAfGov0iR0R9JABJ0bnwk9nMxw+fOh55EbgRhzozrBUA1polN9CLwok5HEEUQBjFMQB7D+j656PW+IrJ8O/bBCo4sGFdGejqiyYCx3mKe9/JtTiBvmI5OFiTisg9LtJFF7gZGDrUbHKs79+hyu5hSaUvh1foFr3r/6vZJCiXgCDwVVFJ7MVmRLsrGltuFCc68yFdACMDAflwR4QM3HPoKgIExt4gz42SuaQb8hBOE2oZmlu+KFlKR3QSssMJxDPWbbjpfLoJrxG8CYT8MKGZSVTCxYFTIb84nkCxCIPLDiby30gXFghaF4c2ReR466Uu2fvoFr3r/fKAEFxvpqMcd9yonIrkuK5LLV7MVCM+/uDJCyIC2J8a0z1iwqyESgMl15Sa33QKgmtPEBnp11mwuXgO70Ud4DHWzfgDYC3zBEOk7HlA6XKyHQzb8HgGoCSQLqsxorIy1Bxie7Wx0rFaf+wr9Xv32C+56/7HbJ5VHtRYT+GJrsehHcya57PyKAQk6+vBkBZPpjPEExlwU59awg3C24W6KBsC6tqHR+MidyVG3i3rdAnAsH2T093XT+zLr197MTA80h3SfsZP2UqpCrPQ46oF317VrpeiKXTJ9MhMLkgGdCacKG/mupV9w1/vnwyGgCDCKWzJe3lqsyzLWZWe6/kc/oKzgKH4jC7oolhdC4jiuzM0WPo+cPQ2AsX1obFCTO5Jzn566PwbReiwnfTWjI4KvDoh1juh+aT+WKSYD3i8Aql2rJk+VsVQly5kkddv2FvHT61icqO7Fr71/IkLNXOi0FQjV0046oBy6wZ922Q95ICqDEaL4XWw3COcf9Mw73DFB9AqE6wZAAS8XuzGQIDKf+oVkqxt00ttAc+YT0PJ9qRFSB8xoye5Xu1ZVeCSgCLbYLVNswoncHxoeLwCzBGjBNki/4BX3z9lXgUCyIIGmhova83cRgO5Te9yLgP3MfmsBS8xs8/U67ePQOqy9umBUruDchqo8sHSd3PMfT5ifo+ack8eFHI6QEcnT5GvdOnVdXof+ptJ+BVPWceiaRHA8Us/nkACo8mzqlqmWrbFDppT5A5UIZm7CPA2Vgm3QfsEd909kKIqB1qJAKCBG8ZstZz3xHOAAiwmpDIdng1maZQAkZzsHZ537YfQrwNyxoQ+HakrnS0h1mUA1C96TdJTmORyhC3oeqdwROi+GDhkFI6bYNrcNDEDeAkXwQizPRpmnIs3OdqZPSaRFUcbchHlgie6agq2kX7Dd/+d8lUJVXuUzk8ERmS+2vfd4uvN2VOV5rSwb0y3JhgIh9wJeN3YMQCIgR78Q+nDEVYBYZUrUpbXFnM7COSdf7N4IPvtDnT2BY/h8Chh10MXQeYGS+7GGjaQiABpuNIFiECnzdWJMIUHcazLptC7YivsF8/7FgLFMqpiQL5TuNbKfA/DC46rqqAbAwIKWK+timRUBEiNGsOQsyQm+Gpjd4n046hbT84KPuYjOmHHyp92gcgDS2OoIuVIeh/xyUkaVwyEWdLrewHE3uBUDcKIwnq40HpDXL+n3CzbaKdguel5VnFJl2awaghLQBTzteZ0cjLq2A2n0M6EPh2pC57Wg41poLzZsAZNso0Hw6eVR/J8bF9YjWGmVCpGKwQLBRCcrbiSxNLgVAxCF8XSl8YDHHFPW7xeFBRwv/rGqOKUBkODzqgdWPYAM53vTASMQu4Bx9J+69OHIF+N71F1O1gUB+AsBfFqKC+4Wi4BWX+CYgOTAU36wdMVNVKka3MoBWBhPxyiuko3xkSX9fvGMkqsDlzzHC1N6SQ4DoINOe7KelWWTheziObeKCdARApD1AdVnRH048gKUAmAEYi6Oh4DJV4VoGDWqjq4XLbO5o1jBoimEPhPJmwu9FvnTLgdgYTwd2wyXbMyRKen3i2eXXB245FlVYUpVxUpGiLtmGBlrTEhVUwV8dEkVKAq3MHJ1uzRbRx+OOgDWFX6MsXJU/36lJoEoA2AKvw8+uwTEDIBbStdOs8ddDsDCeDom7ZdszBIs6fcL9ror2C75US9IxJJsEsHdGFBil4yYuUwknofJgF4XcEUfjrz+X7fKo4EJJ//PkMORO6FrVjQMeL5kJhZMMXzLwNZCt1nzDFgYT8cQwpLt4hDON0i/X7ys5OrAJVe0S/ISgFY7j9ZvnQ7I3+lyqpYaL98CWp/N+nDkZdhi6bW8An1kP3fRTLKVWlwF6RZCH2L4zDDR0k1IqeTNb2OQSYNbOQMWxtMxeqtkY6I+ny9VEz6btfb7xc+XXB249AoXv85+tIBVgJJ6n4lf6oV+mfjdDJNMH0wAVFX90GMk1f5TxlS3Fggh92DyN0IORy5665KIfCktsl+K3VsGtpVOWOMiuDCerlSnjQ2rB+n3C+pIBdulz8wqonrNPLKgwKaC5B3s53qhXVq6oDNg6sOhqvqhEr3V2VNLBjmnSSNdrOLJ1zkAu6VPRjFcFz4fXDJ8i45hG94Gt3IGjOFYA8TTlQZ/qGH1oP1+8ZtlT1MAtHK8mQg25zOZUSCLIliWcbw8wfW5Ln04ssqnHX04euiCk6/3de66MPpuAQVZAEFkw2MKFw6a1wEL4+lSBvmAOMhD8vkOkFX77feLNw14YT/ssmc4A6oOdHBEkwXlgjH2k4Nal6wB4fIuX9LzZjAmorNeHMo5Tc0OewHwDTUh9HXxfGJsYkAbAAAgAElEQVS/uvCpoAcew6zBBrdyBlQwwoDxdLZWXLDFkHyF8xGE/fb7xR8XXByAAVC1oB18HQYIT+8uGfP75SCUs1o64he8v4j6cIQ+IqkPhxrBCHjdjBH6AblQkAeY1ondukSiELmsUPpjbyp7XuvDgAXxdNZVvWCLIfmKg6Bbhrjup98v3lVwcQLw8gqA5v9zC9jErutltg8gMxDWWMBaMVkmANWFyEV6R0uH2I1IzW7ypbkQOTP5f2ch9KsFkwp0kQlDAOmxzHpscGuGAQvi6VD4RgmAg/b7xZVlT5MATNXwqQc6KGwf2U2uGV2uzg3D4ua7fDnPwZcKgIdq9GaIBPZb0YdD7hgyIFWMXiH0eQ5vXS5HcMkc++9lz2t9GLAgns7KxxZsCkgdtN8vWD+vYDMAUpcja7lOR9eLVcIP4tcuob/3AOHCdW02VTX62ApB4Mv1v24gnPy9HiH03fJ366KYHYTHsgBBg1s5AxbG0+HLZaOp65i+ln6/YM5EwdYBwGj1cmUkE7+8THLNdAHhwrUOXtcrO/pwhF4cct2oN68BMDCfmsJM/n6PEPoYPp8bH3kCkbtjji2tJJA962YAWBBPZ0WBCrbYsFoOf9pDAiENk179fkuvf9nTXewKcBSjsn7ldonWbgQpx+26otaLIwAlfi2QQSJY3Yjy5i9dmsFM/oEDMM/Z7Uf0RiYUA7J+ToNbOQC3e0WBBm9qLad6HICG1ZK1XB5PoxnuOOIcxSXe/Of8xHV/P+FpwN47gKUpYHmuSve0pKZgCKSq5wqniWE1WZz/xouBm74KTMwBI17lVBXwtWSs+8/vL45Ff3vhpcAnvwos8d48DZX3M2hx9XIAnu0IIO0chu35AOgLL0yuG/jOmwbg028G/mNz1YWdETbm4I5BrFlov+EtD2wIo7l+Atg8D2xY7iw3V5diEqO54mnj6XdMAYcU+6gon7A3NSO2qFjlyZYDkAX6uD5Iam44YaUfVNDNxaJcLIPXcGGpfi6PnZdVD1wPspQBX/wl4OaNwN6Jqg+xwrxslcVFuYJblehkcYYZGPS3L20BxueBcS8nwg5H5kZkx6TQSbXFZcCQKadx5Cz5mPurAFxrRaa17pAR2PFC+ElSHKQ/0QjQcgCyGyM9v3SnsDBRJgL6msWCf6IfWeUJac8UFlpY8500DcCfvgb43hiwZwyYVhd2D/VSrKGAmIDnBkiafEcN9cprHgKMzgNjS1V7rRjRlceyrqif6KAkMgXIM+6tAnDl+zSL36O9+U8p9jGHQo285/2XA/AnXeNnKAorDXH/AILwbSvLEz6Ql2+cAf/3XcCdw8DkKHBwpOpFbE2wadzIdyh3jjNQirYWEwYq+/zJwMh8pf+xKNSwM6DZMmzNRRbM2K+2Ii6TlFrAWfd5V3i/F7IgT2LBF5LbIdkqxLPWvtzlAGQ3RpU3Y7AiixMxLOUB2t7pKQ8M0qCTnp8HkojJgNqaMEJesQv4AR3Iw8DB4QqAs+6SWRiqgJgY0HVDAdBA4Ba4xN7ndlSFAAjAYX4IPO5dBDMAdS2i+Jx7XTf1eEdTDfgAQnR34p/wQkRmjNAoByDT/ugFphXAmjAEn8qaPQAgZCs0lSckCNmVigEbFMsPBBE3DcBX7gLuawH7hoAD7EM8DMw48AhATrjtQwiXoqkTEwWd7LOneXNCbz6Tiq/TInb2M8ZzIFrTQbGiy92oGz7pXl/7jvdAJnb2470IbB3T77Sai+hyAP5voTqW6sKwFAc/TAdc5+3dvcsTrvPVYSK4SQb8xV3+6IaAqSHg0FDVh3iOIFTIFxtit9orL5Z/LD1Q4s+B8OnHVuXwhhdd5DoLGsgCCJ04q66X/Ju/vSaeAxDPvbdtmdtKDV90gVEPIl/xySkviOhmAEjrlzSkwj40SlQZYZ39I+8JBMx8mZryhOsKwqYB+KpdVSDFvhYwPVR9BD7uyX4SwRS59nNI+bRck/DzJ05v12M0nY8fAk8iWL5BB5qASPGRCi8EVjzv3mqpkC9ACrrwhKukB67GhpqRRowQMqCiYbj8oOoHeUWpdYIBAUj8c8WjrjyhNIJ1unzjDPjqXdUjJAAP8TMEzLYq9uOHICQALe/EwWe+QgddAqCzzD8+vgIgg0qp+5nYjaDzCgjmnCYone0klqP4JSgvvK+6LoFPoFMlkPGh+0rPWta4RHTNJJQz4M8EAGoNTPVU8opS64CC9zoAWTFChcq7lCdch6s3L4J/2QFIEBKA1P9mHIBmhPh3Ai354RyAAmWsR/PRs6vOR8Z8FMPS97yxtIlYgVB/I7jC0rIKSfLXF1EEB+BFFjQ3jCLA49OWsRTTEPzvzQEwry7VrZ5KwzAQAPssT9jw1dcHgCrORQCS/bgn+1HsCYQSveaHkzvGv1scgU/6R55Y1YIxhvOm1EZekQWl8wVDxJgwc88QiJc6AKX/meHDawX9z16M/Em7bO8Q08GBP/jEkAEVjMBoAFWXUjRA3KtNwOBXW3EkAZhrALktpC6lKtTV4OU7RHB+3kHWgv/zrnYZl2kCkF4uF8MGQGc+MqEYUCA0n1tkwxbw4ScHAHr71Q7W4++c8czwcBAmHVB/c7Bcek9b3FuwbdD/kjGWgzJjQ3thGmVA3jhfOyU+RxB6FamOFp8NrhsTgLy8Cpzm5QlVptAU+6CiNgXCaIQ0BcDYV8b0P4pi30vfIxD5+w72C9aliegW8MHzqrmh/meuFhYi0pKbs6D9fsh/n1XFMrYMbPgUByCZz6J+uEknDA9AornWFRb01WZEsACoHhOqyC7wdetT0QAK2KqOb5MCUvPyhLE0oQxzqaYNXL5xBvyVXe12vByLADjXAvgxBvSPGFGMIjCmJbEW8HfntxtQmxT0cmxp9UPAdKAZ1upA6EB7qgDo6oCUxXRtPVSpAwJpnUhuxAqWCCYK1MBExZljY5S8SYr+pxAFAuBayhNG26jw8usCQLX0SAAkwwcAEngyQizaXoziIli+Oe7/9kJvNk1LmBMe9ECO3XRB7aPeF0EYHNVPdT8gj016YBcWtBfBVYJuz7mF7VgGY/pO8f5WdQ1/7U67nIKNS7j0wIbDPFZsyNHHY7od/xdlEHj8CcC3TgCWHgGAPSxiSdt4312u/8SPAl8/Dlh4pDeZW2PD4J1c9+uyDaIDkgEJQKnTfG/N8nUAmu5HUnMW5ARbPfEuIHy/ACjRK7FL5pOR4RaxgTHofKl8r/S1ZWBnAGDKefbn3AFIPRPXB7sFiVQimKVgGdl5ooNwLQ1/1U+DQGSXQ9r5Evy1q9rZbP1lGQDZsPpzI8APHgXgod7qUx11YtBbFzC+/C+BL7SAWwhgdoLkONSLqy5oLogYft3ZI1F7EAC+phsAnekokhP4HIzml/PvthQWmPB9LJ7jxkcSr14jWj4/0wFlgJD5eoDw6fe4DzAYPHokWhHJZ3TFSkn4h7YOSOBwEtiMTv1aY0uktFYTmI2/43EMQmCuAJmUE0gmVD8EFdPpdnxhVhqzDr8F4NMtYM9Jfg98EVTeNu9Q2OFZBX7vr9vtgm/lcezczZ61ZNN8DCvilYCdPXqNDQpAlfGTKm0M6AA0PTAyoMSx64cRfPQHXsniOTI+fEWDFGp+Qb9BeySRBV2kpl0QxxGAlHDmkI56X6z+EP7UDYSdRgh/IouwIZ36lHabBE0GJ0r10Rgb/xA/tt/j/6aMAf+7R4CxzuBXWRGULwBfIrY6UNfpvLae7n0I+LO/reoLMqiVMbW38oUhkNkQIzZO7tIweGePcmWlAFTjAYHPVGwXxWoLYblEDkLuTT8MDPhXLJ4jALpaJB+ggU6xfgJknT7IKXIQXh4Y0FZCog+wxiUTwSkXUbSMV1rB/A31OXWuFpPUda/mRHKi1e6U+hA7Zq7l+A+UAfDtHg/LrptkQpZ727cRWOL9542Pa3rOvuOqagUltgtmJM08j4/PILbIDKz6w5PAHsbraTnMGdZWIwIzxIfeK0rn578J3LAVuH8CODRahV/FFQ/1IumIvXP1QudNfyNT8oVqcHviPcBd48A0g2RDuoDqHdb2SalZAdG9dnfDkAE0gXnH5ijWCDbKCq5/MRiV0QD8HgHQ63jG0hdsLGxA3x9Bw1Asli7hO3BwApgng/Gjvq01IHrXJ7q3Cz7E++YziF2rs1ZLZ+8H9jJsSoECWXj6igmR87aLgfbGq4GvbgLu2gjsHwdmCEIPSI1h+SkCRjpfUC3iNWcpoRrcnrYbuGsUOMBo7QBCxSTG/igxVcBIVGPWM1h1JYQPnyKNExGZMDIJ9b66eEBGxPDY1Y5nv+GCjfGAxD+DDpiawphABWZPjwNzNLAEIH4XCH0M7/5c93bBfI8Yk2cgVAdvdT10ifDkBWC/r9lGH51NhIsnsWHOfPmEUKT94WeAG8eAO8aAfWPAwVEHISNQlKQUglJjJExqC+H6Nq93kOpUg9szbwLuHa66QzFWkaFieXxi6hgVHOMCYGRuJ+5V4jYJIDKI9KlsAvFDq8QDrnb8NWVPh9EwdFkQ79TlSMIsN0Mi5s9MoOGno4U6f3YAvefL7Y7rvdoFLxOANSA8f7xSgWmd0kCQbmZ6mTLEnJ0UqWLhUkxlrBn6n3wWuGkYuGukCsufGq2iojnRFpafsU7MDxErJuZhYCsJosHtWTcBe1oeq+hxigJgXBrMmTBPnJKLrr+VED54ibHYvZos8sO+DNcrHrDX8YVVyglAKud0LtMjFPtNMz6QLDY7VomLJd671AEH4Xu+3g7nWq28ISvX58/hguOBg8vtFQvV/hEzxfqOevuTfpjri8vAWz8L3NYCfjBc6ZYHmBcitnFd06pxyb8W4gPlgonBqffTtdTg9pybqiVNBssyUsdUD7eGO9amnf3sXtxQipl7Wg/sD4A8AwHIyZMYky50Tp/xgN2OL8y051qw2hXzwRCEdT2nmck1RxHG+w5jeO9NFQBpR6ldMIMXlFWgVndqF2dVFsJzuOgRwMElB6DcI6rznemD0RnbwQiSRS3g7Z+tVIl7PC9kahiYZm6IizuLigliT/VoUog+p8P9l3wJ7qGEanB77k3VczroUToWLCsABud4ypaLCUoxf9i/9w9ADiICULrQRWuIB6w7nuZrwaZwLBGwClSqSyz3AhHbaRGEFGOmC44D72UVgjW2C2Z4lIF4ArjodODQcqUGqAxfcpG4mJVuVqcL5tbs2z/veV0tYK/nhTAqesYNHdO5PCJZos+WuzxHJIViuXFyJxupNLg976ZK2lizUKodilGUgzyGhokF8yw5Mf+qRkjdjfuDtwkkm7DTkNaBaQ2ox1q3eMD8+B6O3H6em8Kx1Ccx9ptWl9iYIUAAWrI3I3nHgPdOtsO5eOuxXXBdj0V1vOL/so3Cxef60tlSpYwveKf0pAu6ohfdJ8k4CUqgvr5jV6VGTBKALeCAh+VbZLTnh5gu6D44A6H8cVlkNK95O1WkBrfn31R5HSy+JCwPplAxRegE/2T+AloGncNmbQyogUQx/KwB4gHj8YWNTwRAOW0FIIIndoqNkTAxz/bd09XDGLBdMM6/pLKi5whAX60gCK2ujxzEAqGL2pQ1Jis5AJEAFHvTujYAKjRf+SEugm1d2COQLU/DAwQ44caEw8AtZzSIPgAvuKkdrWMM6M7xCMBoiBn4YpCE2NCfxWAA5MEuwvCCEICwlnhAHV+YORfDsWJGgPpMKwg1b9QpFnzHbD2BK2JGul9s8KkYW17vLALQRTCBpzXZpS4gtCXXMAkduuAy8E7PijPWprXJ5CR38ygw1fJDohh2BlRAgq2OeN7uTWc1D0AFNtmL54ESBsCaJcLkDajxj5ZXRiCIGA0waDwgjy8sk5+HY+X9ppUbJSCp6TnFCMXwny1WAFQ8rUAc2wUrRL6mXTAefWnFfnz3FpbagQKLAqAzoZjAKkkpXkNO5GCEvOMLFXOnnC4xIKOjnQGNdWSM+GqHQGd7JSsxUf+JzQLwhTdV4je1nQvr1MkPGtlf9yP2Dy+gAqZ6rQytfvdHSDxgLwBF8AmAYjHWluEDiKGMiqOVvtejXTBOuRSYJwDJAARgZAGWL9Nk+IM3SzgTydE4eec1nZHbtDaNAf1Dpd/SMx2END6kD0oXtFhBXmcY+OY6AFChnKnzl7NfdMR3qCAae2B+VVMYXASvDs3/X/zHJZcB84vuiqABEo0QPnhnwqQLyRURmZBPytnwHde0M1vN2lR6picoKULaxHDIEdHkW2iWg4/7b5zb7DSQAVd0/griV2JYojfpwRGEYsGBrOBmx/OgP5sAKANkcbFzNWTRnX/GSGImMYH/LYlk+gGvdT+bW+SWH+Ig1GqL5QeTtR2EYj5LVHfjw/ZDwL8yJ6TB7UU3VVoTjTYxYDK+Ivv7dzNAZIxpZSiU8jjKgIWTcykZkBawDBBnQdMr5QeTKI5iWCB09AmEb7+ucnOQ/aTPWn6wuzyS4u+R0Ob6CUGqJpIDA97AdqINbgRgBJ69CG4Jp6q/ckjXqB/RKla4WpkO2ODgHoynigA0JiLwaNiEt95YQKJ4FRC+7brKzRH9jZbN6iJYuSHm9I5iOAOhHNJfZkh+gxsBKPbLu3+JgaWDdojhMO5kkDWSlNTg4B6MpyIAjf3IggJgMD4MCARjFMU9QCgAykhSKnUCYHB9JB0wy5aTRUxmup4h+Q1uAmDs+hpXgFLnB6ULONOn5xACNJqxghsc3IPxVBGAiQG9aLeilWUJW1FvVXEN0TKp1C6At19TMSCBpz1dHtT/JH7N9yaxp6QkF73KBxYIr10nAMproB44qQGTj6sjUrtOFPtLeFQHLES9AdDFrq1E6M13MaxVCTNAXNFThIylLcor40zxtgDAPKuVwDMrOKw+SBTbtR2MND7sZwC7Qvm4wqHa4T/uIrhb+7n0EgbQdTijoyg+agWXT8llDsAFWr/B8qP1K7bT0pvtVwHhW6+t2C/m8svvZlawi2CKe37nhFtapkDnILRqBQA+v04AjMyn79EIkXO/DnzyCBwVweX4wxs9B4rRZgyPVFqykgDd+5JSpBU5r0vHyHz+jsc3ub0KABsZMCyQgeExKyFPVIz3lmcM6OfPAGCADYPE67Jfs6h7G0o+xvi7oyK4cLZfOgpsXwC2Lq9MwuuVERonKn4nSJrcXnQKcM7dwMMXgYcsVxkSebJgzOWPqdB1ad2f3gpsnwK2LXWeR9m3danUIV1lBSCPArBwtp+7DThuBti6UDWDmWA/DvXk8LRptfPtNUlihYZTOPCi04GH3wFsnwGOW6iAs5n3GeJJ+KLoE+9VDClQ8R6vOQHYegDYwuY3S6H/iJ8jb11ck0q9Qhoc9QMWgPBZJwFbpoFN88DGRWBiqQIgWyJY3lPozaGJ1KTEPh36zpTkJrcXPRE44S7g+Cng2DlgyyKwaclfFoIwvCwx9Zn3Q1DmIPx/2/sSaMuusszvjfXq1ZRUElJkKsBEGQyYhJCBSkUqAW1tsBdpuxEVaBzowXZqe1g90G2LotjQdmMjKqtBxQERdAWUAkUlZNBGkQRNyIAEMAkxpFKpqjfUG3t9//m/c/+737njPq9uVeqcte66b7jnnn32/s6///3v//++Tz0dmD0KzC4DM6vAFpd/0L3Gh6yTDgnvLwKzAWDGiH/ThcC2OWDrErB1pRgQisIQhAa+AED+HEEY6uNLyrRnZLSl6tSbrgLOeBQ44yiw8ziwfaV4UGbdegmA5QMTLFlqsfn7XecDW+eAmePAltXiXnkuZSBkRcm4UGXtU2uo3xsAZgz6y54JzMwDWzkgBOAqMMVBCSAUObh8QuN/CiTgcWAuyWhL1amvvBbY+VgxbW477paa7gIBqCnUrbUBiQuhAKDUot13IbBlDtiyBEyvtO5VDxvvVfxW/JkWNFrCeK8NAGsY7BsvKQC4hQCkJNaKy2LRIsg6SJ3IQSe1onKKC2CsOYMeN+0Dtj0ObDsGbFsEZmWp5S74g2Ir2uA22BScAJGA+dJFwPQ8ML0ETAUAkgDTPq9zdK/+sMWpPF19NxYwA4g3PtsHxAE4SQC6FdSgmGWRRIJLZJll8EGKjHiX1jwaN10HzD4BbD0GzC4WrsKMW2pNobZoCu6CLCDfCTqzgg6sr+wFphaAKQfgZHKvpRSYg7HN5XCL2AbAZwPrZGaj6ippXhgn0kqmU1woxnHedg5AATuWHig2FE1uVRwoxoX+Wcbg89S3AqCKPONcCi8oPtVP+9++G3j+oSK2xRBFDElUxbTS+3nvc4FpDsjxllXQoJg8FgdCQoGJJTTicLcQ6vPL6wbg9cDM4cJv27oAzFA5ky9/UOSvmg8oP86n0dICBn25JwjARWDSAUgBHN6vfdbv10AbARh8X91vDM2ss+NvAECKPVLCsHoyUgRqrlbnRwB933OBc+4DXrIC0IEmiLnE75di8HsyAcjzWUVGUi6uICMpVwwJVMXdeOk3XAxc+Hng+vV2esAYw+sWoP31r3eLcLwQBeQUrEHh4Jo2h4vDmJPuAyMLGAeEn7uqbgB+I7DlSWBGCwe31Gb9aL20kGDb/EGRxY6WTz8f2wtM8l4pgL1SgM8esHCvsuylME4nn9cfQLtldg6TZ0kUKorAfij23vAPCmqp3fcCl60XFINid1PlZrf41/dnApB6wSQjutUfIDJR8CGIQOwWEH7DywpKrWc8CFzqRLHkVYrB2jS2FQH5vkuBycXCAlIUUAAkCM2iRBA6+ARCe7DjYmQduLYTleiQ/XTTS4DpI+6nLhZW2nzVCEBaMLd+soIGqjD1ampdugiYWCpeBKA9bBJC9ActAk8LES26SqsftInLZ44dQif4Igdhym5WLrPDyuYH/7HTCNwDnPko8LXrBccjQaioe6BiKad3+QY/MGTH6rS3OBvCnQDuAIyqhiDkQ9RX+29yE3on8IwjxQPI8zkTiApGU3oVkD/4fGDieAuAdMw5MFQjEgg1DYsUku+a3uI0TGBfV7PotwHwaOEmbHEATvuDIutni6UAQoFRIFRYhfe/dhEw7tbe9Of0Si1g8HkrwRcevDajz07gIJ7n05rYyWIpb4ya/7vv8PRdFpj/LXDmkQLAnA4jCCOlTBRN/rFMAJKgkkVHpGUjySSBSFeg7/azqk8EgbSEq8UDRACLKDXSyaQ7Br//DcA4LSCtwnKhTEkQcmAIQhtM+Uaajl0uS9NatITXWzpzfcdNB4DpY+6nBgDaCtanYLN6fCj4u1ay0QIqtML/EYC61wSA9tAJeP6eWsAoDysFpg1eB0HIQRCIIkVeCqQf/05P3WCB+UPA+CPAzvmCaFWDKEuYcl1yMN+Y2dckqGTeHPEvvWDSNhOAfbefX0A6rS8CUw8X9066bFIfdqMHJID++DJgLACQumyc3gyAEYRRKFCLD1eu5ODLF6QvXedx0w3A1BwwxdAJLTXjd8seQnGrZ9bPFxLyA7WIKON63tYtCQBN/sv9QPm6BkLp0vl9t/m6ietR6fbyBA4gnXtORwRRpNnTtPpW6gWLH83lKqcOFTEnDiKtoHwy8RNFhrefyeztbnrBfbWfgttsP+kIyO32ELD1cHHvInrlvWs6TsnB7qAUlg/suFtAWkE55zYQ0QpqcALoNCXTEt7A3KoaDwGQfqoAOEUBa7fUbKctltwCajVbxvSiyvoasM0BaBKwwdKb9fN7NfcqBWGiSWykWXER0umeacUEonQgCKRfIgDFjya5yq8Wfsfs8dYgiuMxgpAg/vnMzu6mF0z6Zj5APdvPQec0TEosnvQosGOhaLuIYvnwEYSithE52F1XFAA0p5yigD4otCqygFKnpHUpLYP0OcKURYv6Mj4MNR433QhM0gL6QongawOg+6rl9CswKoSkEIxPyTsuAPigCYBmAXVfYcVf+n0SRYw6dP1YwNgHsgSajiJP429RrpWOM6cxDiJB6NINM4w7LbUGMQUwB/M9mZ3dSy+YVG0EoBiDBST5ddZ+PkCsAiIlQZDa3LVatJ0WXG2PbL98AB+4omB3oP/HgTUhmGgBfRqWf2TTrUSjExDSP/qWzQDgfAFAWyzR8rkFtDAKX75jo6nUguZxZ8NByHbvvqBQ36T1swcsBaBAGGRg40Ir+rt9WUDhQ5ZAU7Es2e9LLzglqHRxNkbeuW+oQRRls5jaMjnK0a9ecNf2R4LAwO829kQB3LTtEYQPUwzQAWgW0AGo8AQH0ljp/V17pm0KRcEifGuNOnocO1rACQbKPXhs8TtNwVr5uh+n6Zf3wDgu29g2FdMtOc8B6PdpFj08ZFrplw+ZA5FTvAQQ0/BT36FPDkRqBT9Jag7xYlQItY0f88j78sZzCcKPZlrAQfSCK9uvB4h577SCotUiEJ8opq8IQFl/PUBPEoBLxbRE62LSqG4dFB8r5bHcOtiOQSqT5T7RKzYDgJx+BUCCTxZQCwhaQc9oKcEnEBKknj5FsJ1LAPo9xoWWPWDy+6IIoqbeaO0VA+zHB0zxIQDKkn1GgtXiRxMIAx0Vn0Db+lkuFjLRCt5WEwD71Qvu2H5OfekD5FaciQay/GIbFgBXriwAyGmJADR1ck3DwTE3TQ4B0LetzBJErTYAr2BBSI3HTS8tLKBZPo/fWQDZp197Z3scjGb5BDp/L3+njMweB6B83Gj9wj3atOsPWin9WgXCFlVO/3ctf4iD8XkBkH5USlAZlNPZAQqARr5vxu1yjmH0givbX0UQKI63o0Wun/xHuR8E4VnPK5JQLd4VNttTBvK2uoiKOUf/f+GjwMNBh0NMV6J0c0NpcRv7mrYv3kh8/uHxYp+bVpwLp3R7sts2YzouSq3KGa+q7+x7Co4nazAerRKsVlV1QitF59dyyFZaYY0HMu9mWL3gtvZXMbymBIFMZ1ov2h0B+LTLisxgW+Eq5uU92iZ72ud9vvR+4JFp4NjkRh2ONi0OB1/UBCkvEYRhfuNs4OmhhiPKnFQlx6aAjMnSXJUAACAASURBVPjmz1w41nnwO4cCIBvBwZgTAOUHRq3gyDExD4zRGVYEnpm5LqmQc0M5esFt7acFl0SlHiBxuTkYxxdaihUC4QVXFu5FCUD5QtJl85sjGA0ziQxqeu/fem+hw0F2fLLQGxFlYMRvo7v1WmIVtpt1DFkXvOR7LwJ2HSkyoZmEypoVVe8p7b6qEMnidGG/Vl/L2aPOIwuA1pAIQE3DAmFa4j9f7CPaFpCHKujr5xzZesGdHqAqKz5X+FLRAl58le+jui+kTBALMcgZ73CDBkpN2/7+bfcWOhwUyCEAjQTcAVhKdjkPc2RajewKyu/n1//qJcA2uhBMRGXQOcn9U6JIOjXHQqSYOsVoQp1HNgAvz8yny80H5PVz9H6RqVd849WtXQ/zA0Ow2ayGLJ474L0G79vvbulwkJi8BGCg4S01SKqofoNvSIC+5zkhFUupV8rUTpJN06KpaBkFQm5M1HlkA3AyM5/u9Zl38zrk6f0iU6/4hmscgK5ISUtCTowyDqb7UxwsqFJW3fo/vbuIBJEZ1YRgyHwQKNi0KEl1OKTCZJdxtPDn//v8ooaDaVgqFyiTD2IKfcjZS4Fo+7g+HXOPv84jG4DIzKfLzQf8KVfI/FNKrQ6h94tfz+vOA9cGAAbrpylY2SDlVTTt+uCnV3/V3a7DQQAysJAwobZJgUXi78Qayhd812WeiOAZzEyUiAkHMeu5BF5FwZQAWLPwknkLQy9CrPMy8+lIHZFzvN3T+YbV+8X7c64OHHix74V6zIxB+RJ0wQ+UU992tYoFy3fcXcTDxQkoPsCUhFIczKVCegSg5B8A/PILN9ZwxBSxtiKiUAOi7JW0dLTustF8AGbm0/1o3vjjnSGdj+lYlGwdRO8XN+c1wABIoHk6k61yuSCJITq3jDY9Vx0BqK++uwAfX6JkI/hME0SC1EGguiQ+isqcQRLrF6/0jO2w+6FMnZhyZYsQ1W50qOHgPX1NXndtODsfgMwHzMin+0+ZN0S9YOllMzWfLwKQSS396P3iY3kNOLDPM1y065H4gOW3p4uTDkB8zWdb7FgbdDhEgJkCUDRvogTmd/vPv3BVAUBuvylNzAAYi4hisVQnEHoIqWblrxqm4Mx8ujfljT+YjsWBYgIOc0oJPsq1slCpH71fKybJOEoAuuVTRSCnYlmU6P/Z4iSJEcbLv+Yu9/1EAh7JKEXDKxq4ChUiKymRbwjgHdcUWTARgLYXHSr2LOU+BV7MVwzxwOfkOWybYAGZD5iRT0edjpxD6VhcOQ6j94tP51wdOHBdMeXa9OqWRcmWXA1XLUIUH6zyCwlAs3z+YBkfs1u+VIejJEF3ckrjI9T0y/aMA2+/tgAg08VURKT8vbKMUgAMIGzzAcOi5HknHQAz8+l+MW/829KxhtH7tTz+jIMAJPCYMULAWd6fvi+EY9ouoZBM/Kx/4LUBgFLgNC5o16FrE8JJVJgkiFhaQQBv3+dVbMrWVsC8UxFRkjjaVsW2DtRdOJ/vAyohVYK7A+bTvTdj8HlqTMcaRu/XxHkzjgNkIOWuDr8jnYYDKDutgpUhra0uAlAyCCUAK8BXcjBXgLCk/h0D/hcByDxFAdAzoFUqUBYRJTUcMWdPP7ONL6i5bLQeALJRQ+bT/W7G4AuAOXq/lsGdcRgAY+glLkYclJVTsa6ptCX3uQjAKINQstFrAZKIwWxQIhIJuovB/Nx+r2LzFCwlj8Y0evl/MYk0kieVtcvrwGUnHQCVjjVkPl3mItQsIPuElx9G79dOzDgMgGkAWlNyBJn8xKprBRC+zgEo4LWRgcdVcOCjjlNvmx84DrzNAahaFZWLygKWxUNibIhTcPD9BMLLa65bzreAMSGVoXvJ/Cgh1WUfO+XTZS5CDYDs9GH1fnOrIDcAkABTTDCCLYK0Cwi/586WcKJUiEpC8CCBYDsiiSplqUIUmOjf+o2tIiKVUJbgU5uSWl4DWwX4+PcXnrQATBNS+8yny1yEopdcay+930y5YhgAg+9n2OoUeI5TdQer+32fdhmGoOBZanBo+g1yEKU4dYgFSvqB//vZBIBt9RshkTbW8ZZZ2hUgvDL3iU3uux4LSBM0ZD7dPRnTH08VAIfV+2XAOucQAMuVcKfFSD/+IAABsEoGwYAoHZIKEEYxRIHwLS8pUuhjFVs6/ZZhIVWyxVKBBIRXnbQATBNS+8ynI4tBzkEACv+chlUVIKE/5cRGsWmlKfIzudc3APLQSlg3E2OCyVRc1kpU3DgBmKoQsWtlBcswjPu+nfTYtBL+GQdgOf16GCZW6pXlBCqWSgqJypoOAFfXXDifbwFJLvi5HAjlnUsiIe6AjOp4iQNQHRlT2PlgJCUbbc2s+v/hFwFb/q7gm6HlYpBbmTV2sscQyy/qFBj2v0/cAdz/HGD7NDA1AUyOOU+1CwWOewNjKj6/O03F1/WuugW4/XJgfBoYmwDGdH7IxB5kLPIB+I8AfNwZgga5ck2fJbEm8V9zNWPfrasbgMuPAcuseJ8Exsb9FdBhA+7gaQNKB6TfcgCYug+YJT+g89aoBDMmIMScP12uTKj13uDv8zsKig/uJ1uQOsnojm3qB5P5ACRBH3OhPuzzRN9DV88HqQLEWPJnvTy5nm/t/1s4BcuSpRZtGAu4fi+wtBVYEyccrYwn6hF8/FkJp9bKxAKVFsn/d8urgbHPA9NPOEOWl4+2cfoFHhfVrJTZPKHSj5daOtup6JyCpPx8rHWRVQ7WOlrYCMx8AHIzlxkALPD9c0VB+x/A3E/+E2fUYHXdF7KTGwdvTd0AHP9r4PgWYG0KWBdfsBdsMPfPrKKsoL9XAVLAvO2fFylCE4cKliyrDVZNcGS1CqEYhWFiAZV+XntaURdTLmpCEbpchTYLqi6NrkMCzLzt5Xc4HwyJmmkJ+Z73jQOh4NWeDUZiK1K08f0EXt7CMHVawIk7gaVpYJUA9LI1Ao8bzKX1cytoFtFfpdCIWz7rgzHgth8u0oPGDwETc8CEMySUzFaikgtlpW1Ta8JqNba7lVljSRgW+Q6ZP/57WQvj6fydBjXfAjKbgEvMLwWCvhNoipgNpnQshlS4IGFWzIk6ylWwAz93ETLxGWB5ClidLABoIOS7pmGfG+33YAG5mND0G8F4678vkiPJczNOAC4UyQm2N8w94kirFlfIAl7i402d6dbPWWAtrsjOFiuCvAJZOQE0pHTFsckHYDeCvhNgipQNxoAz8/8IPr5nbvH2jd+6AThJAE4AqwTdZKEBLDoDgU4+YVkPHIBoPwareOt/BkDexsMFAFnbzNJYm0IDnVwbt4uyur1kwL7Tp+iZM/08WT9Rc7DHUmuYTr/x+6o4ovvu9fjBbgR9JyA+omwwxvZI5ULg6ZW7y9FPf9QNwKm/CgCcKABovh8ByVy/UCtJq2f+X1yYJPGU27lIZLbuEWDsWBHesZeDz4iURLUWa1TE47LqK12fZmd3OXidFctqm92KatVs1jAEsNv6sdymaa2g8+xUL4I+Pn2beCgbLGWHI/h8G3oTr45iK86POlbBU9yKI/AcfLR+ouQwH9BfmmbLlTHboOnZ/T9+5vaf8FUaAThXsFOQ45mUcgZCWTAxe0UQ+urYMO1/37GtxQmoLCBtRSp30LrDp2SFdzYMgk/R+VNwvwR9mwQDsaspGSfJgYDYNTbp8psCQFJxEIBkQjDrxt8dXCUIY+COH5MVFPi8SOn2n/QYLZ9Gp0cxANIP5IvAkzVzxivRydnKNzBa8fddM84b6AFyAriMF2pajk9kYIeoClXmA3AQgr5NQEHMBqMVFMNaIOayNRL/vhlH3RZwmhbQQUcAasrVVGz4EtjCu/3dfb/ID3PbT7uKAZ/MhcIC0vqRTo4W0IBIEAmEtFwCYqjW03bcmdwBYeoWgetUbrR8snrloiR2drpACf+rD4D9EvTVjIJu7HBV+781X752Czj9lwUZkTEgcPoNPp5Nv4oBRhCG6dd+1DkMz1JIhR1BAHJ7zwqO3fIRRM5tmDK5CoQKsSgOeBYBKFZULTqcB9r6Ni5KYmd3WKDUA0BlhNLM8EbT1QBXBU72aI5ZjUcVOxz7WLkQ8d37vsart/uA6RcPsxNSAtAXHDYNC1AEpf9s01kKwuBwGU7HgVt/1jtD1e60fgQigSe/j5bQp+KYpGB+H62jT7P8/ZypBIC8Dhcx8eY9wF015abhmnoAyJ5WSrKeNgKO9SHxnT/LSasJBim5lRjWBEIVeROInKL1qunybRawLgASdEy74qjaNNzJCgqEEYzBGvK0297mAFSHEIB6ebKDgc8J1ksmV8t29f1en6L5v6cxIK5iK6Xne/5jCTiFcTqVn/r/tWDPWwXnEPTVgIKUHU7ljASawKefIwDpMdRxRB+wFgD+RREDJABpwSzz2c0LfxczVjkVKwaYgtBBezu3SvX08d39P5uO3QKahXMQciourZRAGKZWar/YZ1xXRPe8wQr2AUK7TvbOVTZBXx4MBECRnConUBSFEXT6mf/TK+/qmzAF/0UBOPqBZYF52HrTFCw2LH5G8UCzJEko5nZqmRnPh/uCXmpnVpDTsIPPwKApOaSA2QLDLSHf97iPx0tpISLfz7bl4iFfsUsnj+HZWEeOYDCDnDmCvZkEgedcCjxGseIhBYt3vx049HwMLRh8gA9gh2MoH9ABqKJzxf0McO7XlSAU4HzhYYFq+5D7hwBu/98OQLlIBCKnW39SlXNY+nqeiq2dkQg+gnGPb9/ZpT0lq6MV5D96gLCwgDmCwbdnCvZmCgY/dxy47xxg5SWuUjigYPHFbwA+fyGwfr2rXrMvPB+vp3L3GHCgi9JOHQCkRVPppeUBigXLFymyejYTB4YsgfA20ofRAlYB0FfAlvQqP0/TsX5PLOB5DNu471cmIwiBaRww/F01J+mz2pqChxUMZvpJlmBv3iTocsW4dzewfhkGFix+2febXDAeJO/YEILBB7pU1g8LQFo98QASVGYNQ6DZfEG3fnEqrgLhbf/HV15anbkFNCvohWSl9XPQ2XTM/2s3I4DwPIZwBEDfgitH0Ek6N6x+u/iD7T4g/YdBBYPpWHEaHlqwNw+AQa4Yj54JrJO+aQDB4pt+oCAyYvOPEIQDCgYfeF/9U3AbAMX7ItAlVtAspKZdz5SOlvA2pstxjES3wJ+92NgAGK2gwi78QoVfEhBeQACqNNP1RdoA18kKdgDhxkUI/zKIYDCnqyzB3jwAJnLFOEIW7QEEi1/1Y21ywVglCAcQDD5/Efj7M4CVrZ5AKlkhxeQUaxBI4nvFzxf8IfCVC4HV7cC6ZEX5nen3VX1vAGLZq8ysrvHY+QBwbGfI2E6JpLvdX+ksthpUvQrmX/sVDGZVUJZgb17vJHLFeGQcmCdVb5+Cxd/5xjZ6QzzMLOQBBIOfTV2Ps4HFHQ7CLQUQmUrV0rgKJMsCjsxGAqTn/hzw0EXA4tnAyg5gbTYBorKkUyLnkB9YVhTxu+kT13iccwtwdBewPAus+b2ar9xJAafqfgMQO4dh+J9+BHe5gqZZZzYok1JJUcpaR6bp93P+W/N6p0KuGIemgEWKgPQhWPxdP7NBLhiHKYHUp2DwpZ8rLOD8tmJQVplOLxAqmbRKC6EDYC7/CeCRPcCx3cDSrsISrs04CPm9ArZk55UvKAspYLqPaPdR4/H0g8DRHcDyVr/X6VabLHk2PhjpPVZY7d5xwF6CwS9y/4LbbVyQsEKIufGiKe0p2JvXOx3kinF0GjhOQY+oNRtljji9TQPf/fOV9IZY4Gq4D8Hgy/4W+Oo2YG5bUUy04vUcLCqSJVRWszJbNgxSmMau+q/Ao2cBR88EjtOqbgNWWaTkIFz3YiWrF4nAjtN0nBZrJnU+/8PA3CxwfMYB6LUra3oglL0tps6wlVha5rLiqd9AdDfB4Je6U0s/0BXTDYh80Sr2FOzNA2AXuWIszABL1JaKWq1R+nwGeM17OsoFY5XTVw/B4Cv+Djg0C8xvLYqJCECzgsxmZlq9T8e0XGUyaUizavPtxoFr/zvw2BnA0Z3A8e2FVV3x6c4sqwObckeyhiXAowUSADhD1XhceDMwx37lvU4XxVN2n3rJIocygkr/Vbs7fe+EdBLcfaXXQ3IPWIrpBB6XlnwpR76jYG9e7/SQKzarxM7qJFj8mg8UarMV9IZ4gvNDD8HgKx8HDs8A8zMFAFnPYQPDl0Co2g4fpDZLqKCxT0/7fhJ4fCdwbFvhRiwRgJruCOwUgCpeCvUjZmEFxhfk9W969kW/B8xvKQqnVgg+B6CB0MsI7P70AHgmd2n1NQ0rv7FvALIlVYK73MnQCDLThSGZoDpuP7uCeuX5n8zroB5yxThGnQ0CgyBMxY63Aq/5aBHG6EBviDlOLV0Eg1+0AByZLgbl+HRxnZXJoqqttA4ODovlJZVuSjTQFtq+NwNPbHMAzramdVpVs6wEoPtdNg37wJfvsYiJP9NFqvHY+7vAwjSwxAeNxVO8T6aNVRRRlT6hHrJ0Ovaw0WDJCKng7g86APvNB9wg2JvXO33IFWOBgn8EIf2nRLD4tbe1+AU7yAWbZeskGHwVdd2mgAUCcNKnJgLQrZ/V9/Jnn5JUYmnAE3hCmv3+t8AWQfSzyPK/POOgJgDdsgqA5nfJAvLdLV+bz0kK4RqPZ3wQWJxyAPqDVhZQyQr7gyaXI9axWCFVAGLvRUhV46PgLnUWBs0HbBPszeudPuWKsTRZAJDTo8l8ui/42juL5veQC7ZpsEow+OrZQlqVVuH4FLA8WVyDAOTAmHUQCAWQkOlsQAwDt/9/AE8SgPQpNa07+AhAA6HLXbb5Xr4IaAMfv/eGvP5NzyYA7UGjBWTWjh40v9fSyscHLtaxhJWxFVsNNAXH1khw983+DYPmA5aCvXkdNIBccemfceooAfhAAcA+6A2xLuAGucxrzgKOMexDfV9OwbS2BB/BEoqLSrBoYGgJ3E8qLcIEsP/ngCPuUy7S13L3wb6PU56/m/Xj4Ps0TKCXQA6AXuNeZY3HMz5QANAeND1kwcKXlj6wOZQ+b7R+Pi0PD0DeFAfk590CKg8qncfoFzIRVWVqfFfBhgn25vXOAHLFWCDbvPstBsJZ4LUPt+jdesgFg+qVptWq11bg2gtgfuLiRAAgQeg+oEmsOujsXb5SsAoCIN/3vx04OlNM6Yv0tdx1MKvK7/TFjVmeCD4HQQQhf159eV7/pmc/kwCcKABoeYvR0oept7SEoZQ0Tr1lPuPQFlAtO0nyAcWhpzw/FSjFzGjLx+RGvxzoSeC1hwsA9klvaFN5FAy+9mJgnhaQ0qqagglADo4c9AhCDpJPl5ZommQ8738HcGw6AJBW1VecZv0cePwOY0/wl1lAD/WUCx0mMlDLr8bjmb+Dwp3x4nkDYbD0thIO5aNtfmDi/xGEeRawxhs7Vb/q2huABQJwAlhyy2cC0xoggjAAUCWWAkksOiIY978TmOOqeqqwqAx3WGhHK06n7TDwOcAV/iipPAKjwgrZm2o8nkUA0gKmAHTrp+o9MTrEYvq44o9pZIOtgmu8mafCV72YAKT/RwAy5OPOuVlAAk9Oule6xQRTWUKlWtkU/IvAHAHti5oIwDK841ZPFtCmdr0U8PaC9hVultd4CIC8P2Ztt/m5/qC11TJXlJDGGpfGAmYODgFoCxACkLpuWh3KCgqE8gNVZK4KtxgjJAB/2X1Krao1rfN7CWZf3LSBT4uAEIyWBVpipL7GgwA0AW25GbGENBTRx3rm1M2w39mmrFVwjTd1Kn+VAZALEE5LtIDyMWUBvbLNLGHgd5H/V07BDp7r3uU+Jadgn3ptxekA5MBri0/Wp4wzBjDbCnkMWMqVpE8GJwLQqvfc0pqbkVj5aNk7gbCxgJno30cAjntowtXNaZ1suvSKNhsYTcVKmw9F5xGE+94dfEoP+JYhD/8OC8eIPUsUHokVVKB78XszbzAF4Pvd//PCKVGIpOAr78mn4DZOm8YC1jco+w6EFTDDPJqeCEBZBa5GffVbhmQ8DtZW5TYOvPhXip0GTuu22lTMLSw+aAVl9QhEWjurI/aQiLJkTMLsX9R3r/ymZ73fp1+37OU9hunXSkdl7T3QrhKCtlCM59k2i5CMMSIAGdqxEIwrmptzTsCEut5yilKoJLAcxCq3fe8tLCDBFwO+tKjyuxSCMdYEXoeDrHcHvu0tTwLzmwHA4N/Gh6zNCqqeOSxC2lb8tQSiMwbuqXIqAcjFh2JjBKGJyShQG6ygVbfJegULWBYcMR3rvb6oCRaQwFPgl1M5rR7/JtBZOIZWx/0+s4QeY5z/1/X2tFnAxPpFELaVkdLN8MWGVr4pCBsfMHN8bmTKfCjZ0Ncp456/x58zLzfw6Qf3ABd8pUgEYmqk5bGyek06IQl1bkXScnlN/u8L24Gdx1qVq91KQvrpgwaAAw9p+wnXPw1YjyWMGtDo2ASOFGMU7SIEUzdYD34vMPmXwLbHgdkFYAtlGiim6DpxJtvq9LtlVr/aWKEB8pUXAOOPAFPzwBTZ9r04vdQ9Ts4pAZ3cd+yHxgfMAOH+vcA69/9Uxijmz/AerYpdar1lNSMYzV+vWY/34I8DY58Gph8Bpo8A04vAFEFIknIHohGVR62QhFRSYjQE6qFri2z3iaPAhHNNlxKwArI0Q1IAxwfReacbC5gBPp66/5ICgLKCtqnsrKKlrFZUFPKOr7osMTtdsxzqQRZ93Q1MPARMPllohUxRqkEK6gShOP0S+dY2hlRv99y+ovRi7IiTnTvLqmg6xDPYpqAUgRgsoR7MxgJmgHD/c4E1FXu7FRRbvEgd7evXWlbPpp9EgUjiJpwe6zwOMlvpAWCMVusJYPIYMOlSDZRpoGiNxKzbdIQlXONMWJbGtw4svdgz3El47nzTRvPrrKptAJT6ZrzfintvAJgx4vsvdQvIXK5VYF3sUZxmJUvgA1FOvwF8spKyBtM1y6EepI4LqVMedbEaTp0EIKdPKh5FqYYqSxgo2jgFr13j6XXHnOiSZOeBVSvyC8qC2r05FVvVw9cAMAOA178AWPMp2LJaaekiCPXExwHw660n1oB/niGQazwOkkSepbJ/72I1x4CJ+cJ6lYI1riccrVicUuVSmIW82pkwnHHVOKbFsOozQGkFkwewnBES37ABYMaAX39ZAUCCb82nIlo+40p2gNnvsoKunxH1xGwA/LOzdQOQJPIuHzV2GBg7Cow7AI0l33XfjOsv6oVodes6ISbBsAZMX+kJxU56KY7pkmFVhOciuvTzSt05v0+ryuT/9gDrZNe4wPMsI7VJP3GcP7gUOOdvgL1rRYJ0ZI5IV3hV4/wrGYPPU3/AiRhYusy2K7mU999P+z90ObD7LuBZK0Xdkeq9NSX2+o4HLwfWlopFCC0fgciBMtAFC8CGrYXVoVjnU2G7rTXrzh4kfRzLY1kyGwBoeiGcPiXb5eAzdXWnazPCSScb4j3xfmav8Cx2p50lAMW0VXINitCogl2r9H2dcctWwQxQsn6ZTBbMNtcgdKIbiZj51VcBk38CXPxoQcfCUg8pjcYgZScw/momACnXyr4leBhs5QaBTHpf7X8dMPYJYO8XgAv9e8QJlAZZq8D4xSuANYKPJQn0AR2AHKy1MACKe9nfFI6IEqduEWoHIJ9wlsVKLekoMCa9EAegSTYQeM4TXco2SEMkAHEbBZoj4bbYtdyCVrFqGXgTSxgXYTZeHLi9AMjEQRCVUXP/n4KUaaT8vVTi+Rtg7GPAuYcAWlMCgUVkQfJ2Q12yBvPXMwHImhDWwf81imsTiLSEvHZkr+jY/p9CQRD4p8DOBwteItai05qn31FFdfLlFxYWgCDUIkRkj/TxbCEi/89jfPZ3X2VqYSJQbmUNQY3HQT7hbv2sLoerVwKQHNEEoCsm8R4MhPRjXUGzVEIKIoY7yaEYuY4dgGb5RXruoSgtSCLLarkICQ9f6QNykGjFdjsIBaI4kGlt8W+Rg5g0HJ8qAp47nihAzFpuWtPIMBZJlASILvR6fQ0DCVbJCkJOJCqnk4pGpb99tZ8MopyiKDX7WWDiwYKXiEQOehCrgKh+eJQ+EQHo1Lby/zRlyf8TIbf9XS5ftIb8I92YugH4ay2pLusorl7dAoonWtMwQSTdOFuQSLTGHyIC8kxSIQuA4hwU2WUAoO4/grBcDbsfWElSzg+JCoYDoEGM1ixSkHzgF/wG7y8sIa3J7JPAGWuFJSQIaU01iJHUiYP4e33BrPOHmG/JMaOfTZVYRhwGav87vWKPJ9/rSH4IOGO5sITqg/ggxXs4TOaBAECbeoOsgfl+DrQShFqcEIhyyt0MbMusEkx76iAZXKM8BvXiZAGlF+KaIbaadYpem4aDgpJZQz6YJABV5VcHAJZ0v4FxX6KG5UpYs0KnqjhRuagEVgPglYAl9ciHf8mdUrJh0Qx9vkDBzBywfbkYQIGwahA/kglATsHsDzKA0BATiPyZ4NEDwIeoa/uFYKKXL2f24nQoIgd9R3yQCMTFqwIAfdBWI7+yB5ZLECYLETd85YJl+2YAUNosLIel/xYlu4Jsl6bhNhD6it4WJCvA2Zc4Gxo73RcgJeOqFmGR6rcChLYACyGojmEYdj59KnZ+tIQRhH9IvWA2hiREjDeRI9Cly7fMF3EtWRFawhQIf5IJwE56wdTIYdt7tp9ys1K8JnoJvod9Wn682PNkP4hUy1ndWgstAtBDMLYN5/6PAc5DGNoF4SrZfN+4+IhT8jqwg2Cp8ThIJ5vfSWBXAVCrWN9SMxDK+skaOvhoAc8me654pmUB3f0wyt+E8FyRAGmPlOEoiSD2qgvmAKoOm52fAuiTDHSyIRxx+lI0QxxADubfF5vffMmSajrWlP7nmZ3dSy+4r/ZzAUEHnQ8R70HsXlK+PgJsW68G4XYGZj0EY2EYATCAT6tAhmE0DXcC4faapcwMgAIfLb0kuzT9Qmw5uwAAIABJREFUSi+EfeALkSrpBovbrQDnkm8wAo8/E3i+CCsZ98NCpAp8cUekZyBavI4ET/TnaAk/RQCyAXy6uNSPA0i+wMeB6ePA5HFgZq2wpNGK3FUDAHmv3fSCe7afX8CB4UNEEOolVi/3obastNwJ9cO5BOBKEQMsAcifHWzRAigWWAlCn5K2bQYAOe1KMjTIR2kRUhKVS7IrLia0v+3xwHMZMCbYNP0KfG79zAqK5DxOvyEuWu6VD5KSHy2YAEQAfpaRdl5UkuUctIpBnCIIl4psD03FtIIP1ADAlBuJM47EqqUX3LX9kSBQcuuyftK78xUkHyQ+RLqHZ3Fv1KcgLj5kAQ1s0Qo6IA1nHhNLQzA8ZxvBXuNx8DcS5UYpNnoYxsCnUIqvZo0F3wPTMa7Hv53HOJVbS/l+5bumX7d+5WLE44hxIRJB2NMCqj9ixwuE90svWCaIA6bAp959EKeWChAyA0PTOV2unGMQveCO7bfqHbcS4rJR7Ewqnw5AWhLuImg2uFQAXAVs8RGmntW4+g2hB3P79L/EJ9zGvqrxOPibiVihAOgrWQOf/EBfBcsPNBBqW9Hv6zzGqFzmoXz3B9AePgXiq6bgiv4YOB9QHS8AfpkAFMMjrWAcQA0iO9XJiQyAnos2vV7ESHOOQfWCO7Zf7F40mZFQScRKAYBaSU6vAVcTgN7xXHiUFpDTMK2dFh56912BTiDcvpkATIXzCL4g3WXTZ4jpGfjoF/oihL+fx+0yWUABLwIwtYKKIabgCzHQvi2ggBKn0McEQDaKT5cGkIOo6SuyYzEfjQB0EM5nZgAPoxe8of3sgSqCQM3jkdFLvpRvR13+7UVRuhUFSavNO6otwp88ZZ3+t4M6HLtch6OT9AG/q9cmtf//gV1JDYcnQ2zY6/YakfSrU+Pg1M45NqPt3IEtoM7WFHokyrWKkooglCMWLYjiUXMtK3g8Uzd1WL3gDe3vRRCoUEYCwGtYFxxqgA2E/jI20F5hhmQod98BHNnlxOTig1aGiDanO21yV4DygWuB8YeB6fnC9WEtiKVVKeE0ZGiXWczeJoWMIig5a9V5DA1ANoKDeDylZ9NSXxyAsiKawrQqmCv2HVf5e8aRoxfc1n7xs+khItAUvojvyWryxVcWJZksVSyZoQRA3dcAoHzax4Gj2wtu6FVKM7gMgti02jbV476oUJJs1j/AbA1mQ3Pm8eTRsoZDtR+xZKCiEKmMXTIeXHPGdhYArX8FwG4DGMEnAHIK4yvT58nWC2b73cexaZgWWaEKgU1gjNbPP7PvOYGsUSBkv3hBtmRWNzxjTk9RWktvxp6POj0vARjY9sWkFel8RWxegjIF4RjwAOnZWMPBTGjqvHmszxJOBUD3xyznL2bqROvoP3N3q84jG4C7M/PpcvMBef0cvV9k6hXv+2Yno5QfGArRbaCC0mWv2YtF3ecerNDhkNZIIsXQRv5dlTtGADJSz2gEE1EJQM//026HdIEZLC8B6A0tk0g1Ja8DuzJdphS82QBEZj5dbj7gxZN5er/IZI+67pscgE7QaDOUMyC0Wb8+gXjuR4F5J6YsaXnFhBoAGEVvUhb60jISgCQnoh/OLBgvIrL8v7DdFkEYM5dtNg97tvz5zJqzdfIBmJlPl5sP+DJP5xtW7xffnzeh7H+Z+3+RpkyWT1YxuURJYVtx6T0fCTocouQV85VkHRIGegEuEv/YKpkA/JceVmL8kv6t5/9pu62tfiPWcFQVEa0DZ9WcLJEPwMx8uvfnjT9IgZyj94t/ldeA/S9tMaGa9SNdmsIxbvVscVJ1GScoMt4UPwhAsmMZ0aXzQBsvdGRBjQz0FUpEJRAJQOq4KAnBdz+sfiPJ3bOYn8fsykyVWMfiN3BOzckS+QDMzKe7OW/88aqQzsfE5kH1fvGjeQ0wADodmVGwOeiMsUqHrGOnS4UFy9P/wAEojkEnI+IqOIJQNLgpCXhcmLAtD/D+kgQE235L93tj+YBqgTX9BiCeW/NedT4AmQ+YkU/3sbzxBymQuZhm8g1T+QbV+wWFdjKO/Te2mEFNlCb6gPF708VJ1TXHgKd91GnZpDfi1k/gM2vqU3DUnCuBmNQe3P9vw6pe229KOvB0K1k+ZS+rnrfM2AlA3JMZtah/EZKZT3drxuDz1O/yxAwu9JgJxr3lQfR+8aa8Buy/wdWQZAVl+ZzCrG3q9c/YrkmHy3IRYryAAqAkEBIlopJxNNUbER+fA/H+/+AAdP9PmS9dazicJybm7mlB8nR2dI1HvgVkOlZGPt2nM29GCamcGZjAwlQ+vvrV+8X/zGsAAUiLVPp/wd+zaTMFWw+/kAA0GQQnpCw5mDsAMIrcRB5mC/+MAffTwgfwKY2KfmCZ6ZIkUShrxXxBX4yYaV8Hzmcn13jUA8CMfDqWYeQcSkhVOl8U6uxH7xekrsg49h8oiCENgC5TUG5vKxxT8f2aRtOtcAKQ1s8soPuOVUIwpchNlEEIOyNSIrrvv3hwnckWIZPZsnbcDyzTpvg3lU8mpZQqozyfK74aj3wAKh1LgrsD5tMxiz/nkGD1sHq/YNFOxkEAcuW7oqmXlisuQOT7VV2jwi/kTgj1RkoZhBje8Z83SCAEEJZW0C3gff8tADCt4VASaWIBK0HI9q8BF5yUAMzIp8tNx5Jg9bB6v/jdDPSRns0BWIZeUitIo9IhHmhXTvzCPQddccnZ76U1V/IvC4SBCFyg26DFNg7c++Mhhb6qiCikT7WVUmr6lYn2nRKyrdZ51GMBlZIc07GUBdMjny6XCiUmpA6j94vMZbgBMFo552pu27PXAqXTyAUQcitOQjAm9xX0N9pIwIPmSCmH5QuPqER0L4kDYgp9zOUL6fYxkbZcFceyAreAF3GlV+NRDwAz8uksnT3jiILVSmpWNlhMze+k94vMZfgGAPJeHDjpCrgM01Tdry9OzvmYAzAqLVWIwEShwzbRwwSEn+MqP6bQK5tZlWyhjCCCsC19Xv7gOnBRbgp7cu/5AOyVjqVMmA75dJZ9nHF0yohWNlhMxKnS+0XmMtwAmFq4imnYbrEqNJPc+9kfd62RKh0On8qV9hXZ9askEPgAfI56ziocUgVbzGT28lEtRMoKtg7lBHtznfZNA+CQ+XQWM8k4uglWK/NLYKzS+8U9GReXD0g/Tyvh4Ne17Yb4Zbr6g6y7/aNWcoPpjKRTsJIags5IJwkEAv6en05S6GUBfRWsUExZyVZVQCQwrgN7Wfdd41GPBczIp8ODeXfTSbBa6YYxlY8/p3q/udc3C+jTbtvqt2oadnB2m4oNgMn0W0p+hYWHWbwg9yU/0Kb9EIy+5y2hiCit4UgKyTeAkN8Valk4Le/ldlONRz4AWWBRM6fdIPfHstw/G+SE5rMnVQ/kA5AkLHS0ak7V7reXfhgACaBqDtD3e/nmc5k9kA/A80JReq+U38zGVp3ObJo/BvAOD3dtwiWar9zEHsgHIGlFubqSx7+Jja36anLLcDvvgwA+NDpDfILv+qlzuXwAXuSjrkKemlO2e3U1uWUYnL8dwB/5e2apca9LNv+vsQfyAUheX4VguB+mzIsaG9ntqxhF4Xbe3QD+n7/uHLAW9wQ1tblMRQ/UA0CaHC7plXEh+q4T0OWcfhleYTSHBK0EH/mi+fcRuKQn4I6fWpeoB4AevCz3HOOm9yb3F5mBlZBNclYCj1aRfyfrbgPCTR6AzK+vD4CyglX7jpmN7HY66d1E0ctdIrEEE4wEIMlam+Pk7YF6AMj7EwAVbU82vTerCwhAXopJN9zVI+AYrOeULLZgErY2x8nZA/kAJGWr0naUWdFpy2cT+oCWjpdjLFxE5UzYIBBpEUX5nLnlvAktb76SPVAfAOUHpiAMm96bsVtCAMaKALICMyxDq6cXfycA+b/mOLl6oF4AiqBRIEzBp7/X2Af0+fi1XIioMIlAI+AIPIGPmeROWV3j1Zuvyu2B+gHoFfZiDS2lC0LiY52WUADkQoTTMH1BFSYRdHoRfKSu5v9qrizMHYPT+vx6ARhSuDcAzzmDo5ZGHT1PAKYMwQxME2jiSo/gEwBrrq+u41ZOy++oD4BaCcsXTPiSI3ey8s4KGoG8QwCMFM+0ggQhLR0BF19SXuD/ayakz7uR0/TsMcxg3SjfqWNA0hsrga/ojaq/8WPcC+YIk4Ke4CMSuB2XVht1Oj8zIfXlU8BtU8DhmYRXWdfrdF1fgr3+S8At48CD04DVjXQSDO70PTUnaJ5uOCwsIIFHSSFy1pKPWCDsZxCpw8UVgKSPxLXM937OzxxAljzcPAbcswU4Qh4V3UN8mKoeKm/bu78IfKJQa8VD48CylHQiL3O3/qg5Rf30BKACMtJXjXKQcfBSK8Dfqc3KVCwuN2VFGRnm/yKZtq4Re5ifyQQgM2A+BeB3GHaZBo5MAIue0l7Kt3cC4xhw+5eL7TuCkJk1jBtyerbUfYG5ExjZ/pqrxE5fAOrOq5SmowVIrRp1IyT2R6+fg0bgVYG4CsyZe2UsaiOGKXr4Sfp9k8CxCYAFSKyvXeY1o1BxQux91yMtfsHPutgnnyUuUvhc0ZsgUXib+nVkq6+ZKaABIHsgVZnuwD9sVo66rrR4ImdhLGSQ8zPL/JgBQxeU1ouWkO9PTgDzbgmXxrzMkatl3keivfG5x4r4IRcz5BfkO5vEZ0kgpIfBZ8yKjlL17syy0tMNcOn9dl4Fy6dLFabj1Mpvow9Ify+I4Nlo9Xt+ZqU9VdJpqZh4QDDyxUyYOYJwHDg+DhgI/WUVZl7aSEt93+GO9Ia2iuZKOfA7lhp9JpvAVy61w2mOwO5hmCgMHC1H9O24gu6UD9jP+ZmbtLRaSsei9SL4XDPbAEh/kGQ/pSUcc0lbApFWb67lQUhpVnLBsoKqqZclFMmUtrxPcwxl3X7vOCAtYLSCcugFQmqhdssH7HU+RznjiOlYXA8wqkOfkItTAom+oKygca4ES8jY+N3z7fSG4hfUtp3ihUHruVSsFy1iRvNP+1N7A5BdJACmVpAgZPhGOyCigEjlPLudn7kvFtOxuB4g6OjD8UWLRkCZFRwrLCEXJQQhp2K+37lQeBCRX1A7KPQto1prFEmSYn2mB9EAsO+kYfk8KQhZF8yjVz5gp/MztyOUjiW9bCUhEBhKRCCgSis45uQ/PhX/xfFWMgOnWu2gxB0TF/o0kEZ/kCDM1Ts+3RHYnwVUL6XhDFrAswfIB6w6P1MrTulY0sum1VICglKwCEACqvQFCUK3gHcsFQCM/ILayqP1k9JshVqrncMalOYYvgcGAyCvIwuod8YBJQmZpmGJeyRwkGw4n8jJOJQNw3idLFhMRNB0SgASTJyKoy/4ieXCeFfJBUeV2SoAclFyR0bbm1OHTUiN0/DTAwD7zQeM52dqj8VsGEkVE2jKetG7AEhQ0frJAv6RC0trC1skl+IWlNinGLbSaZg7Mc0xfA8MbgF1LQV1z08A2G8+oM7PVF9Ms2GUE0gQyp+Lwu2yagLgR9ZaYpkSypQ6a6Q2DCqzpkvietXIFdoZfuieGmcOD0DeP0HEbBhNwYPmA/L8zJQsATAKnguEqS+XTqkE4YfWWwCUFZTksYAYwZfIBeN9Tw0cjOwu8gDIZqsoSSvhEeQDiiGYFoyWiSDRypWgi69UP5sc5fIcquSCNeXqe2X9ZAHfM7Khe2pcOB+AT41+aO5iRD3QAHBEHd9ctuiBBoANEkbaAw0AR9r9zcUbADYYGGkPNAAcafc3F28A2GBgpD3QAHCk3d9cvAFgg4GR9kADwJF2f3PxBoANBkbaAw0AR9r9zcUbADYYGGkPNAAcafc3F28A2GBgpD3QAHCk3d9cfOxqYJ2au9RdPtdp/khoEOlglDYT39V1PzQFXLsMXAlgt9PCxJKPbufyf8/KHIPfBPAZABf79Xc5XQ0ZQ1Q7360NbxoHrlsDvs5ZRsgo0une06by6X1mZvtP99PNAp4F4LsBXA5gjw8EGTeqaGF4QhzQF80CX7cAvGIdeDYAfhdZ2sTKUcVrpE7nd31N5gj8e2dIo2osk7NZpMdK0Z19tv+bJ4F9K8D1ACj8yfNSikHeg+5Z969m57Y/8/ZP+dPLKZhP/rcA+AYAF7g1oRUhEMUzFMt6eSJfX78b2DkPfM0i8GIAX+uWlAMppreUUErn8p2gzTl+2flg/sDbTkvIOik+CP20//mzwAXzwDcCuNTPJeFXpEpM6QEjIHm/zTF8D7T5gATYNQCe69aAloRTGulfBESBSYNyxR5g/Bhw7hKwZwl4vk9LnM5JmsBzUyDGAX3B8G23Mz/g9BuUa/0IiutfMkj7zwKmngAuXSvOpUvAWYBtF4BTnspIj/O8zPaf7qdvWITw6eZA0JLQEhKEGgxZhUj/dz3NzSKwbR44exnYvVKcy+mM5Km0JhxInUtrGkmzCPicg3W5LMGkQiZZTm9xS9Z3+4m2o8C5c4X15pTKW2Lb+fCx7WLtjYxzqiql29Icw/dA5SqYf6RTTilg+lYCIXmICKQ4IK9wxfSJY8AZK8CuFWDnanEua9ZTAMsaCog3Dt92O/MvnRGBtGwkqKRmMEkqCaa+2k+0LQDTh4rP88UHj74kF1WaATo9QHQ7mmP4HugYhtEKj4PB6ZQ+FS0hQahpldPya1kXTOqNY8DscgG+HavAttUCvBxInitrkgL4lcO33c7spBdM3kAuSnq2nx9gQfAh4JyVwvrxwel2z3p4aMlzH6DM2z/lT+8aB+Q/OT4EEqckWQSBkGD6EQKQnDCLwBSnYgcf32fXioGUFawC4esyu7CXXnDP9tOCsyD4KLB1rmgvX7zfbu2WG/Jtme0/3U/vKxBNAMoi0KcjkATCN3HOEr3UAjDrwOP71rXixYEkeKMFlSX8ocwR6KUXTJ7AaNE2tF8WfA4Ye7Kw1mwvX/yZn+eKnvcrfzC6IK/ObP/pfnpfAGQnySoISBqUXyAASS1AK0JfagWYcRDOrAF66TxZQU7jBOEbM0egH71gcgXSFZAV54NQtj9YcNIpbONCyh8Ygi8CVospApDuB63g92W2/3Q/vW8AsqM4gLIKBBIH8bcJwMCNMX68BTqBb8s6sGWtsIA6jwDk662ZI9CvXjA5A6NVa2t/IAicnC/aGV+8T74IQPm/AmGuBc+8/VP+9IEAyLslAKMV/LgAyIUInfnjwPQqMOOgI/DstQ5Mr7UAqMF8V2YXDqoXXNl+EQQ6N9v29aKdesUpWJZbAPyPme0/3U8fGIDssDid/pUASCvCaXgJmFguAEfgEXT27gDkuwaUg/nbmSMwjF7whvbLhSDL5TwwvdRqo9oqHzACkCB8U2b7T/fThwIgO01T1IMCoAZxGRhbKoAXQUcQTjkI+a4B5e5FzjGsXvCG9gdqrLGFYrpVG/UuHzBOw2/LaXxzbh43DKeoJwlAHqLndSs4udoCoIBHQE45EPk3DuitmYOQoxdctp8+rFwIWsGFYiFFoLGNchcEQC6e+OJC5J2Z7T/dTx/aApYdJ37AyJK/DIwvFxYvWr0IwEn/H1Opco5sveDUhSAAF4HJpQJkWixp6k2n4IYfMGf0amDHev2I8+l4/UbvNw8Eozw72wJePOJ8und7EkKj9ztKGA1/7WwATo44n45pWI3e7/AAGPWZ2QBkYHCU+XTMfGGQmYIxjd7vqOE0+PXzATjifDrKtTZ6v4MP/MlyRj4AR5xPF+VaqZLJF1UzKdPV6P2eLDDr3I58AI44n07ZMARbo/d78gMubWE+AEecT8e9YOn2Uheu0fs9tUCYD8AR59MpG6bR+z21gKfW1gNAz4geRT5dTEZo9H5PPRDmAzBmRM8BJzqfLiYjSKKr0fs9dYBYDwBHmE9XtRfMsIz04aQZ1+j9npygrA+Akqs8wfl0BCCTWRq935MTYL1aVQ8Ao1zlAnAi8+kEQGZTNXq/vYb75Pt/fQAcUT5dBGCj93vyAaxXi+oDoFLyT3A+3Rcavd9eY3xS/z8fgCQX/LPR3SOzkon55jg1eyAfgD8M4NcAPD6aDmBtB1e4NMDNcer1QD4AbwbwxwDe4UvRE9wHZG1gNSXDLlwLNcep1QP5APxzzwj9IIAPnXhT5ORc5EYCA9HNcWr1QD4AmRH6FQBMTSZZH98ZmD5Bh5g1FopiNns1x6nTA/kAvAfAEwDudnI+EvQxPfkEzYfaCXRSBluQMB7YHKdGD+QDsBNBH/9+AkAobqTADGK7Inw1x8nfA/kA7EXQt8kgrGAGMfBxZ5Cv5ji5eyAfgL0I+r68uR0QmUFoBQU8vfNvzXHy9kA9AORoMw7CdGQCjoUZDwL4kv/+8OZ1gJhBIjGDgMh3vTavBc035/RAPgD7JegjODfhiMwgoqeJwNPPTaB6Ezq/hq+sB4AcXeXEP+ZhGVo9vRimIQD5v5oPAZCupgDI9wg8/qz/1Xz55usyeyAfgMMQ9GU2Op4eAchpOIJQQEz/VuPlm6/K7IH6AMjgGzdl6QtyX5jWjpQFevF3lq3xf6yhrOlIAUgQCojR8gmE+l9Nl2++JrMH6gEgR5UA5KYsc+AZmCbQCDi+IvgEQMob1XBEAHIajgBMLV+0kCdws6aGu3zqfkV9AGTwjftg3JRVVRAtHQEXX/wbAcoXP5d5CID8GoJKvqDAloKOoIz/y7x8c3pmD4zhaqwjRzCYyQg5gr2ZgsFTLweWr8XQgsXjbwLWrnNtMlKgNoLBmZAa7PTCAuYIBlMvlWQswwr2UlUw45jdDSx8HbD+Ctd+HVCwePKbgJV9aASDM8Yg59TWFDysYPBtmYK91IbNOHaPA/M7gUXKXA4hWDz79cA8+W0aweCMURj+1HYfcBjBYO54MMY3tGDv8I3nmWSHOzYOLJ0LLPGXAQWLz3oB8MQUsEa16kYwOG8whjh74yJkUMFgbsNlCfYO0epwissVY34bsHw2sEIRkAEEi/dcU0SP5qhF1ggG5w3GEGdXr4L5134Fg4kAjuDQgr1DtDqcUmZETwArZwAru4BVqsv0KVh8/o3F4v0QXZBGMDhvMIY4u3MYhv95Zh+Cu1xBcxuOU/HfeDIq5cv7FuwdotXhlCBXjOXZAnyrO4BV6in0IVh8wStLuWCsUAyvEQzOG5ABz+4eB+R/ewnu/kOP/3G/l4kJTERlljQtIot2e53/IwO2OPl4FLtcnCqAp9cahT56CBZf+LpSLhhz1N5qBIPzBmTAs/sLRHcTDKbiNHdBGGymOC/3hglEvgjAnoK9A7Y4+XgiV4zVWYDAs/etxaubYPFFP1QkLtCIP8neaASD8wZkwLP7AyC/tJNg8L/xLNBu+YBdBXsHbHEFAINcMVamgdWZAoRrfPdXm8KitLdmgYveWAq+2y7iMqfuRjA4b1AGOLt/APJLqwSD3+y5T1yI0AoSbAxMMzGV1o8/My2ro2DvAK2t+GgiV4zj4+3AIwDXtwBrVJeuECze+9aW4Dut4PxkIhYsdetGMDhvoDqcPRgA+SWp4O4veQ5Uv/mAGwR78+6rQq4Yq9PAOi2fA4/vBkKudKVU7VZw77uKvWFuZbtcMNb5v0YwOG9g+jx7cADyi6Pg7gccgIxlcA5TKhaD01yYKBmVFpBZMfx/m2Bvny3t8LGqoqTliZbVI+gMgHwnMAnCIFi897cLAAZ6QyzFzzSCwXkD1OPs4QDIL5XgLmk5JHk/SD5gKdibd38VcsVYGmuBTaAzEHLHgyCcaokB7/1IkUET5IKxwF5pBIPzBqbPs4cHIC/AaeqvPL9pmHxAE+zts6VdLCD/lcgVY3UyWD0Bj1ZwqgCggXA7sPfWAoAJvaEtZBrB4Lyx6efsPADyCtmCvf00s/NnOsgVY3m8BTRZPZuGBUACdArY+5lWDqGmYbIrLHEx0ggG5w1OH2fnA7CPizQfaXqgUw80AGywMdIeaAA40u5vLt4AsMHASHugAeBIu7+5eAPABgMj7YEGgCPt/ubiDQAbDIy0BxoAjrT7m4s3AGwwMNIeaAA40u5vLt4AsMHASHugAeBIu7+5eAPABgMj7YEGgCPt/ubiDQAbDIy0B8ZYNMbkX+ZekpuIiOQrPar+xs889HJg6jZg5jAwvVZ8B+ll9PlO5/Fc/o+ECjnHfi8zYfkvM5ulmp4qJXVqx5deD4zfAkw/CGxdAZgoHfuh131QkaI5hu8Bs4Ds8B0AWLnIRGCBsFfn87JffDMwdjOw5R5g8giwZa34jnQQUwDo99wBfJ4TM7COiNdlaj2rA/jeV/vfDeATAP4UGH8I2Lrc6gc+SHqY4oMZ74VSKM0xfA+UUzB/oBUUCKMl6zSQ/PsXqZD5KQC/A0w/DEwcAcYXgYnVwppwADuBkefnCim90FmBWXwnK87Uen53BI8sbuwqaz9p5UgnQhBS+ZN1zE8Ak0utviCwq8DI8/nx5hi+Bzb4gJzKZE1SEFZZgS9/2pWR/gTAJ4HJQ8DEMWB8ARhfBsaWCwDquwQKvvNgHXvOcYVbPFJPkw+dDxC/W1Y4tWDpw/Rlgo4lo1T4/KxTihDNpJwj3/UiMLXemprjffC7eWpzDN8DlYsQDiKtVxzEqoHkyX9HRizW+nIgaQnvAiaeBCbmC0s4tgSMu2rMePAR9X252jXklaTFU108K0MHav/nvJ6ZxVVk9OI7GR2IZoGQNc/HgbHgIwqILIVujuF7oOMqWFawCoRxkfEIB5CWgkREBCNf9wMTc8A4QciBWyoGz16rwNgaML5eWKpctYZL3N+TWLX0gvtuP0HHk2n16JDyxXmVhfU0qywbJbr5GSuXKxA/sV5Y9UYWdnjwyS3qKKgarWA69Wg6fjQOIK0HadnIjPVFB+AiME4AuiUkCFnESyCSkmAuU7Cjm15wX+2X2ifBRn9A8mKcW2UFjULVQcgVDl80u40SYh763FfvquhLCxitoBYUsoJfjXKttByMq9CKcHn4sPuCbgXNJwyWkECcz5Q376UX3LNncZyQAAADEklEQVT9fFgIJs6lBBwtn3Tt6FpIz4RWnuQxPh2XIGzm4CwQ9hWIFgBTK0gQHiIAJddKq0ELQh+KL1qUR4MvSEsoENIKrgALHNiMox+94K7tl9qnnMio8MSf6SNwGpYVjCDk/Ju7isq496fCqX0BkDeqlWwKwic1gAQSpzGREnFgREz01eALLvvq2Kfi45m6cf3qBXdsfxRbJMho8dimqOhEK8cXQRr9QVpvPoDNMXQP9A3ACELFxPh+jACkP0fLIKFCCRRqKuPUdqjlC9o07JZwKVNHeBC94DQcZO0XAAkmgotAk9QYrR9f/BvByYfMSATDVMzwTXMM3QMDAVAgVHCZ7/MaQK4QZUHiNCbBQlqUw74YCb7gcmYkelC9YFlwvVv7RRAorTuBkECU9asCID9/x9B935zYzyKkqpfiNHxcA0gLQgvBAaPVkCqm3h2AtC5m/RyEqzw/4xhGL3hD++MmslgqCbgUfLKAcRrmTlBzDN0DA1tAXUlWcDm1IOIIJAjlT/Fd05lbFQFwjdtgGcewesFt7Rc/Gx8iWjUCjGCT1YvWT1MwgUqrf3NG45tTbcu0aximWx9xENcEQHGbcYAEwtSXSqY0gnCdgeuMI0cvuGx/FUGgFhwEYrR80QckWN+X0fjm1DwAWv8RgJFilJZBznz0pQg+AZAAlVWh1GvGka0XzB0cCQi30aSGVa9AF62fLOB7MhrfnJoPwPER59Px+o3e76mL5Kwp2G57xPl0kxc3er+nLvyKtLmhfUC78RHn081ONnq/pzcAR5xPR9mRRu/31IVgvgUccT4dNaobvd/TGYAjzqejumqj93s6A3DE+XRUg2VSCjdaGr3fUw+I+VPwiPPpqJjO8J1Nw43e7ymHwHoAKMFd7QErAeEE5NNJMb3R+z3lsGcNzgfgiPPpomJ6o/d76oGwPgCOKJ8uKqY3er+nKwBHmE+noqRG7/fUA199U/AI8+kEwEbv93QHoEhZTnA+nYqSGr3fBoAtaiqBUImdm5hPJwA2er+nKwBHnE+X1gUzSbnR+z11wPj/AeCpPDD3t7rvAAAAAElFTkSuQmCC\";\n\n// src/effects/glsl/smaa.frag\nvar smaa_default = \"uniform sampler2D weightMap;varying vec2 vOffset0;varying vec2 vOffset1;void movec(const in bvec2 c,inout vec2 variable,const in vec2 value){if(c.x){variable.x=value.x;}if(c.y){variable.y=value.y;}}void movec(const in bvec4 c,inout vec4 variable,const in vec4 value){movec(c.xy,variable.xy,value.xy);movec(c.zw,variable.zw,value.zw);}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){vec4 a;a.x=texture2D(weightMap,vOffset0).a;a.y=texture2D(weightMap,vOffset1).g;a.wz=texture2D(weightMap,uv).rb;vec4 color=inputColor;if(dot(a,vec4(1.0))>=1e-5){bool h=max(a.x,a.z)>max(a.y,a.w);vec4 blendingOffset=vec4(0.0,a.y,0.0,a.w);vec2 blendingWeight=a.yw;movec(bvec4(h),blendingOffset,vec4(a.x,0.0,a.z,0.0));movec(bvec2(h),blendingWeight,a.xz);blendingWeight/=dot(blendingWeight,vec2(1.0));vec4 blendingCoord=blendingOffset*vec4(texelSize,-texelSize)+uv.xyxy;color=blendingWeight.x*texture2D(inputBuffer,blendingCoord.xy);color+=blendingWeight.y*texture2D(inputBuffer,blendingCoord.zw);}outputColor=color;}\";\n\n// src/effects/glsl/smaa.vert\nvar smaa_default2 = \"varying vec2 vOffset0;varying vec2 vOffset1;void mainSupport(const in vec2 uv){vOffset0=uv+texelSize*vec2(1.0,0.0);vOffset1=uv+texelSize*vec2(0.0,1.0);}\";\n\n// src/effects/SMAAEffect.js\nvar SMAAEffect = class extends Effect {\n /**\n * Constructs a new SMAA effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SRC] - The blend function of this effect.\n * @param {SMAAPreset} [options.preset=SMAAPreset.MEDIUM] - The quality preset.\n * @param {EdgeDetectionMode} [options.edgeDetectionMode=EdgeDetectionMode.COLOR] - The edge detection mode.\n * @param {PredicationMode} [options.predicationMode=PredicationMode.DISABLED] - The predication mode.\n */\n constructor({\n blendFunction = BlendFunction.SRC,\n preset = SMAAPreset.MEDIUM,\n edgeDetectionMode = EdgeDetectionMode.COLOR,\n predicationMode = PredicationMode.DISABLED\n } = {}) {\n super(\"SMAAEffect\", smaa_default, {\n vertexShader: smaa_default2,\n blendFunction,\n attributes: EffectAttribute.CONVOLUTION | EffectAttribute.DEPTH,\n uniforms: /* @__PURE__ */ new Map([\n [\"weightMap\", new Uniform37(null)]\n ])\n });\n let searchImage, areaImage;\n if (arguments.length > 1) {\n searchImage = arguments[0];\n areaImage = arguments[1];\n if (arguments.length > 2) {\n preset = arguments[2];\n }\n if (arguments.length > 3) {\n edgeDetectionMode = arguments[3];\n }\n }\n this.renderTargetEdges = new WebGLRenderTarget14(1, 1, { depthBuffer: false });\n this.renderTargetEdges.texture.name = \"SMAA.Edges\";\n this.renderTargetWeights = this.renderTargetEdges.clone();\n this.renderTargetWeights.texture.name = \"SMAA.Weights\";\n this.uniforms.get(\"weightMap\").value = this.renderTargetWeights.texture;\n this.clearPass = new ClearPass(true, false, false);\n this.clearPass.overrideClearColor = new Color7(0);\n this.clearPass.overrideClearAlpha = 1;\n this.edgeDetectionPass = new ShaderPass(new EdgeDetectionMaterial());\n this.edgeDetectionMaterial.edgeDetectionMode = edgeDetectionMode;\n this.edgeDetectionMaterial.predicationMode = predicationMode;\n this.weightsPass = new ShaderPass(new SMAAWeightsMaterial());\n const loadingManager = new LoadingManager();\n loadingManager.onLoad = () => {\n const searchTexture = new Texture3(searchImage);\n searchTexture.name = \"SMAA.Search\";\n searchTexture.magFilter = NearestFilter4;\n searchTexture.minFilter = NearestFilter4;\n searchTexture.generateMipmaps = false;\n searchTexture.needsUpdate = true;\n searchTexture.flipY = true;\n this.weightsMaterial.searchTexture = searchTexture;\n const areaTexture = new Texture3(areaImage);\n areaTexture.name = \"SMAA.Area\";\n areaTexture.magFilter = LinearFilter5;\n areaTexture.minFilter = LinearFilter5;\n areaTexture.generateMipmaps = false;\n areaTexture.needsUpdate = true;\n areaTexture.flipY = false;\n this.weightsMaterial.areaTexture = areaTexture;\n this.dispatchEvent({ type: \"load\" });\n };\n loadingManager.itemStart(\"search\");\n loadingManager.itemStart(\"area\");\n if (searchImage !== void 0 && areaImage !== void 0) {\n loadingManager.itemEnd(\"search\");\n loadingManager.itemEnd(\"area\");\n } else if (typeof Image !== \"undefined\") {\n searchImage = new Image();\n areaImage = new Image();\n searchImage.addEventListener(\"load\", () => loadingManager.itemEnd(\"search\"));\n areaImage.addEventListener(\"load\", () => loadingManager.itemEnd(\"area\"));\n searchImage.src = searchImageDataURL_default;\n areaImage.src = areaImageDataURL_default;\n }\n this.applyPreset(preset);\n }\n /**\n * The edges texture.\n *\n * @type {Texture}\n */\n get edgesTexture() {\n return this.renderTargetEdges.texture;\n }\n /**\n * Returns the edges texture.\n *\n * @deprecated Use edgesTexture instead.\n * @return {Texture} The texture.\n */\n getEdgesTexture() {\n return this.edgesTexture;\n }\n /**\n * The edge weights texture.\n *\n * @type {Texture}\n */\n get weightsTexture() {\n return this.renderTargetWeights.texture;\n }\n /**\n * Returns the edge weights texture.\n *\n * @deprecated Use weightsTexture instead.\n * @return {Texture} The texture.\n */\n getWeightsTexture() {\n return this.weightsTexture;\n }\n /**\n * The edge detection material.\n *\n * @type {EdgeDetectionMaterial}\n */\n get edgeDetectionMaterial() {\n return this.edgeDetectionPass.fullscreenMaterial;\n }\n /**\n * The edge detection material.\n *\n * @type {EdgeDetectionMaterial}\n * @deprecated Use edgeDetectionMaterial instead.\n */\n get colorEdgesMaterial() {\n return this.edgeDetectionMaterial;\n }\n /**\n * Returns the edge detection material.\n *\n * @deprecated Use edgeDetectionMaterial instead.\n * @return {EdgeDetectionMaterial} The material.\n */\n getEdgeDetectionMaterial() {\n return this.edgeDetectionMaterial;\n }\n /**\n * The edge weights material.\n *\n * @type {SMAAWeightsMaterial}\n */\n get weightsMaterial() {\n return this.weightsPass.fullscreenMaterial;\n }\n /**\n * Returns the edge weights material.\n *\n * @deprecated Use weightsMaterial instead.\n * @return {SMAAWeightsMaterial} The material.\n */\n getWeightsMaterial() {\n return this.weightsMaterial;\n }\n /**\n * Sets the edge detection sensitivity.\n *\n * See {@link EdgeDetectionMaterial#setEdgeDetectionThreshold} for more details.\n *\n * @deprecated Use edgeDetectionMaterial instead.\n * @param {Number} threshold - The edge detection sensitivity. Range: [0.05, 0.5].\n */\n setEdgeDetectionThreshold(threshold) {\n this.edgeDetectionMaterial.edgeDetectionThreshold = threshold;\n }\n /**\n * Sets the maximum amount of horizontal/vertical search steps.\n *\n * See {@link SMAAWeightsMaterial#setOrthogonalSearchSteps} for more details.\n *\n * @deprecated Use weightsMaterial instead.\n * @param {Number} steps - The search steps. Range: [0, 112].\n */\n setOrthogonalSearchSteps(steps) {\n this.weightsMaterial.orthogonalSearchSteps = steps;\n }\n /**\n * Applies the given quality preset.\n *\n * @param {SMAAPreset} preset - The preset.\n */\n applyPreset(preset) {\n const edgeDetectionMaterial = this.edgeDetectionMaterial;\n const weightsMaterial = this.weightsMaterial;\n switch (preset) {\n case SMAAPreset.LOW:\n edgeDetectionMaterial.edgeDetectionThreshold = 0.15;\n weightsMaterial.orthogonalSearchSteps = 4;\n weightsMaterial.diagonalDetection = false;\n weightsMaterial.cornerDetection = false;\n break;\n case SMAAPreset.MEDIUM:\n edgeDetectionMaterial.edgeDetectionThreshold = 0.1;\n weightsMaterial.orthogonalSearchSteps = 8;\n weightsMaterial.diagonalDetection = false;\n weightsMaterial.cornerDetection = false;\n break;\n case SMAAPreset.HIGH:\n edgeDetectionMaterial.edgeDetectionThreshold = 0.1;\n weightsMaterial.orthogonalSearchSteps = 16;\n weightsMaterial.diagonalSearchSteps = 8;\n weightsMaterial.cornerRounding = 25;\n weightsMaterial.diagonalDetection = true;\n weightsMaterial.cornerDetection = true;\n break;\n case SMAAPreset.ULTRA:\n edgeDetectionMaterial.edgeDetectionThreshold = 0.05;\n weightsMaterial.orthogonalSearchSteps = 32;\n weightsMaterial.diagonalSearchSteps = 16;\n weightsMaterial.cornerRounding = 25;\n weightsMaterial.diagonalDetection = true;\n weightsMaterial.cornerDetection = true;\n break;\n }\n }\n /**\n * Sets the depth texture.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking9) {\n this.edgeDetectionMaterial.depthBuffer = depthTexture;\n this.edgeDetectionMaterial.depthPacking = depthPacking;\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n this.clearPass.render(renderer, this.renderTargetEdges);\n this.edgeDetectionPass.render(renderer, inputBuffer, this.renderTargetEdges);\n this.weightsPass.render(renderer, this.renderTargetEdges, this.renderTargetWeights);\n }\n /**\n * Updates the size of internal render targets.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.edgeDetectionMaterial.setSize(width, height);\n this.weightsMaterial.setSize(width, height);\n this.renderTargetEdges.setSize(width, height);\n this.renderTargetWeights.setSize(width, height);\n }\n /**\n * Deletes internal render targets and textures.\n */\n dispose() {\n const { searchTexture, areaTexture } = this.weightsMaterial;\n if (searchTexture !== null && areaTexture !== null) {\n searchTexture.dispose();\n areaTexture.dispose();\n }\n super.dispose();\n }\n /**\n * The SMAA search image, encoded as a base64 data URL.\n *\n * @type {String}\n * @deprecated\n */\n static get searchImageDataURL() {\n return searchImageDataURL_default;\n }\n /**\n * The SMAA area image, encoded as a base64 data URL.\n *\n * @type {String}\n * @deprecated\n */\n static get areaImageDataURL() {\n return areaImageDataURL_default;\n }\n};\n\n// src/effects/SSAOEffect.js\nimport { BasicDepthPacking as BasicDepthPacking13, Color as Color8, RepeatWrapping as RepeatWrapping3, RGBAFormat as RGBAFormat4, Uniform as Uniform40, WebGLRenderTarget as WebGLRenderTarget16 } from \"three\";\n\n// src/materials/SSAOMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking10, Matrix4 as Matrix42, NoBlending as NoBlending15, PerspectiveCamera as PerspectiveCamera4, ShaderMaterial as ShaderMaterial16, Uniform as Uniform38, Vector2 as Vector220 } from \"three\";\n\n// src/materials/glsl/ssao.frag\nvar ssao_default = \"#include \\n#include \\n#ifdef NORMAL_DEPTH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){return texture2D(normalDepthBuffer,uv).a;}\\n#else\\nuniform lowp sampler2D normalBuffer;\\n#if DEPTH_PACKING == 3201\\nuniform lowp sampler2D depthBuffer;\\n#elif defined(GL_FRAGMENT_PRECISION_HIGH)\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}\\n#endif\\nuniform lowp sampler2D noiseTexture;uniform mat4 inverseProjectionMatrix;uniform mat4 projectionMatrix;uniform vec2 texelSize;uniform vec2 cameraNearFar;uniform float intensity;uniform float minRadiusScale;uniform float fade;uniform float bias;uniform vec2 distanceCutoff;uniform vec2 proximityCutoff;varying vec2 vUv;varying vec2 vUv2;float getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#endif\\n}vec3 getViewPosition(const in vec2 screenPosition,const in float depth,const in float viewZ){vec4 clipPosition=vec4(vec3(screenPosition,depth)*2.0-1.0,1.0);float clipW=projectionMatrix[2][3]*viewZ+projectionMatrix[3][3];clipPosition*=clipW;return(inverseProjectionMatrix*clipPosition).xyz;}float getAmbientOcclusion(const in vec3 p,const in vec3 n,const in float depth,const in vec2 uv){float radiusScale=1.0-smoothstep(0.0,distanceCutoff.y,depth);radiusScale=radiusScale*(1.0-minRadiusScale)+minRadiusScale;float radius=RADIUS*radiusScale;float noise=texture2D(noiseTexture,vUv2).r;float baseAngle=noise*PI2;float rings=SPIRAL_TURNS*PI2;float occlusion=0.0;int taps=0;for(int i=0;i1.0||coords.t<0.0||coords.t>1.0){continue;}float sampleDepth=readDepth(coords);float viewZ=getViewZ(sampleDepth);\\n#ifdef PERSPECTIVE_CAMERA\\nfloat linearSampleDepth=viewZToOrthographicDepth(viewZ,cameraNearFar.x,cameraNearFar.y);\\n#else\\nfloat linearSampleDepth=sampleDepth;\\n#endif\\nfloat proximity=abs(depth-linearSampleDepth);if(proximity\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\n#ifdef DOWNSAMPLE_NORMALS\\nuniform lowp sampler2D normalBuffer;\\n#endif\\nvarying vec2 vUv0;varying vec2 vUv1;varying vec2 vUv2;varying vec2 vUv3;float readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}int findBestDepth(const in float samples[4]){float c=(samples[0]+samples[1]+samples[2]+samples[3])*0.25;float distances[4];distances[0]=abs(c-samples[0]);distances[1]=abs(c-samples[1]);distances[2]=abs(c-samples[2]);distances[3]=abs(c-samples[3]);float maxDistance=max(max(distances[0],distances[1]),max(distances[2],distances[3]));int remaining[3];int rejected[3];int i,j,k;for(i=0,j=0,k=0;i<4;++i){if(distances[i] this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n /**\n * The normal(RGB) + depth(A) texture.\n *\n * @type {Texture}\n */\n get texture() {\n return this.renderTarget.texture;\n }\n /**\n * Returns the normal(RGB) + depth(A) texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.renderTarget.texture;\n }\n /**\n * Returns the resolution settings.\n *\n * @deprecated Use resolution instead.\n * @return {Resolution} The resolution.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * Sets the depth texture.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing strategy.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking12) {\n this.fullscreenMaterial.depthBuffer = depthTexture;\n this.fullscreenMaterial.depthPacking = depthPacking;\n }\n /**\n * Downsamples depth and scene normals.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n renderer.render(this.scene, this.camera);\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n this.fullscreenMaterial.setSize(width, height);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n const gl = renderer.getContext();\n const renderable = gl.getExtension(\"EXT_color_buffer_float\") || gl.getExtension(\"EXT_color_buffer_half_float\");\n if (!renderable) {\n throw new Error(\"Rendering to float texture is not supported.\");\n }\n }\n};\n\n// src/effects/glsl/ssao.frag\nvar ssao_default3 = \"uniform lowp sampler2D aoBuffer;uniform float luminanceInfluence;uniform float intensity;\\n#if defined(DEPTH_AWARE_UPSAMPLING) && defined(NORMAL_DEPTH)\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\n#endif\\n#ifdef COLORIZE\\nuniform vec3 color;\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,const in float depth,out vec4 outputColor){float aoLinear=texture2D(aoBuffer,uv).r;\\n#if defined(DEPTH_AWARE_UPSAMPLING) && defined(NORMAL_DEPTH) && __VERSION__ == 300\\nvec4 normalDepth[4];normalDepth[0]=textureOffset(normalDepthBuffer,uv,ivec2(0,0));normalDepth[1]=textureOffset(normalDepthBuffer,uv,ivec2(0,1));normalDepth[2]=textureOffset(normalDepthBuffer,uv,ivec2(1,0));normalDepth[3]=textureOffset(normalDepthBuffer,uv,ivec2(1,1));float dot01=dot(normalDepth[0].rgb,normalDepth[1].rgb);float dot02=dot(normalDepth[0].rgb,normalDepth[2].rgb);float dot03=dot(normalDepth[0].rgb,normalDepth[3].rgb);float minDot=min(dot01,min(dot02,dot03));float s=step(THRESHOLD,minDot);float smallestDistance=1.0;int index;for(int i=0;i<4;++i){float distance=abs(depth-normalDepth[i].a);if(distance this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.camera = camera;\n this.depthDownsamplingPass = new DepthDownsamplingPass({ normalBuffer, resolutionScale });\n this.depthDownsamplingPass.enabled = normalDepthBuffer === null;\n this.ssaoPass = new ShaderPass(new SSAOMaterial(camera));\n const noiseTexture = new NoiseTexture(NOISE_TEXTURE_SIZE, NOISE_TEXTURE_SIZE, RGBAFormat4);\n noiseTexture.wrapS = noiseTexture.wrapT = RepeatWrapping3;\n const ssaoMaterial = this.ssaoMaterial;\n ssaoMaterial.normalBuffer = normalBuffer;\n ssaoMaterial.noiseTexture = noiseTexture;\n ssaoMaterial.minRadiusScale = minRadiusScale;\n ssaoMaterial.samples = samples;\n ssaoMaterial.radius = radius;\n ssaoMaterial.rings = rings;\n ssaoMaterial.fade = fade;\n ssaoMaterial.bias = bias;\n ssaoMaterial.distanceThreshold = distanceThreshold;\n ssaoMaterial.distanceFalloff = distanceFalloff;\n ssaoMaterial.proximityThreshold = rangeThreshold;\n ssaoMaterial.proximityFalloff = rangeFalloff;\n if (worldDistanceThreshold !== void 0) {\n ssaoMaterial.worldDistanceThreshold = worldDistanceThreshold;\n }\n if (worldDistanceFalloff !== void 0) {\n ssaoMaterial.worldDistanceFalloff = worldDistanceFalloff;\n }\n if (worldProximityThreshold !== void 0) {\n ssaoMaterial.worldProximityThreshold = worldProximityThreshold;\n }\n if (worldProximityFalloff !== void 0) {\n ssaoMaterial.worldProximityFalloff = worldProximityFalloff;\n }\n if (normalDepthBuffer !== null) {\n this.ssaoMaterial.normalDepthBuffer = normalDepthBuffer;\n this.defines.set(\"NORMAL_DEPTH\", \"1\");\n }\n this.depthAwareUpsampling = depthAwareUpsampling;\n this.color = color2;\n }\n set mainCamera(value) {\n this.camera = value;\n this.ssaoMaterial.copyCameraSettings(value);\n }\n /**\n * Sets the normal buffer.\n *\n * @type {Texture}\n */\n get normalBuffer() {\n return this.ssaoMaterial.normalBuffer;\n }\n set normalBuffer(value) {\n this.ssaoMaterial.normalBuffer = value;\n this.depthDownsamplingPass.fullscreenMaterial.normalBuffer = value;\n }\n /**\n * Returns the resolution settings.\n *\n * @deprecated Use resolution instead.\n * @return {Resolution} The resolution.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * The SSAO material.\n *\n * @type {SSAOMaterial}\n */\n get ssaoMaterial() {\n return this.ssaoPass.fullscreenMaterial;\n }\n /**\n * Returns the SSAO material.\n *\n * @deprecated Use ssaoMaterial instead.\n * @return {SSAOMaterial} The material.\n */\n getSSAOMaterial() {\n return this.ssaoMaterial;\n }\n /**\n * The amount of occlusion samples per pixel.\n *\n * @type {Number}\n * @deprecated Use ssaoMaterial.samples instead.\n */\n get samples() {\n return this.ssaoMaterial.samples;\n }\n set samples(value) {\n this.ssaoMaterial.samples = value;\n }\n /**\n * The amount of spiral turns in the occlusion sampling pattern.\n *\n * @type {Number}\n * @deprecated Use ssaoMaterial.rings instead.\n */\n get rings() {\n return this.ssaoMaterial.rings;\n }\n set rings(value) {\n this.ssaoMaterial.rings = value;\n }\n /**\n * The occlusion sampling radius.\n *\n * @type {Number}\n * @deprecated Use ssaoMaterial.radius instead.\n */\n get radius() {\n return this.ssaoMaterial.radius;\n }\n set radius(value) {\n this.ssaoMaterial.radius = value;\n }\n /**\n * Indicates whether depth-aware upsampling is enabled.\n *\n * @type {Boolean}\n */\n get depthAwareUpsampling() {\n return this.defines.has(\"DEPTH_AWARE_UPSAMPLING\");\n }\n set depthAwareUpsampling(value) {\n if (this.depthAwareUpsampling !== value) {\n if (value) {\n this.defines.set(\"DEPTH_AWARE_UPSAMPLING\", \"1\");\n } else {\n this.defines.delete(\"DEPTH_AWARE_UPSAMPLING\");\n }\n this.setChanged();\n }\n }\n /**\n * Indicates whether depth-aware upsampling is enabled.\n *\n * @deprecated Use depthAwareUpsampling instead.\n * @return {Boolean} Whether depth-aware upsampling is enabled.\n */\n isDepthAwareUpsamplingEnabled() {\n return this.depthAwareUpsampling;\n }\n /**\n * Enables or disables depth-aware upsampling.\n *\n * @deprecated Use depthAwareUpsampling instead.\n * @param {Boolean} value - Whether depth-aware upsampling should be enabled.\n */\n setDepthAwareUpsamplingEnabled(value) {\n this.depthAwareUpsampling = value;\n }\n /**\n * Indicates whether distance-based radius scaling is enabled.\n *\n * @type {Boolean}\n * @deprecated\n */\n get distanceScaling() {\n return true;\n }\n set distanceScaling(value) {\n }\n /**\n * The color of the ambient occlusion. Set to `null` to disable.\n *\n * @type {Color}\n */\n get color() {\n return this.uniforms.get(\"color\").value;\n }\n set color(value) {\n const uniforms = this.uniforms;\n const defines = this.defines;\n if (value !== null) {\n if (defines.has(\"COLORIZE\")) {\n uniforms.get(\"color\").value.set(value);\n } else {\n defines.set(\"COLORIZE\", \"1\");\n uniforms.get(\"color\").value = new Color8(value);\n this.setChanged();\n }\n } else if (defines.has(\"COLORIZE\")) {\n defines.delete(\"COLORIZE\");\n uniforms.get(\"color\").value = null;\n this.setChanged();\n }\n }\n /**\n * The luminance influence factor. Range: [0.0, 1.0].\n *\n * @type {Boolean}\n */\n get luminanceInfluence() {\n return this.uniforms.get(\"luminanceInfluence\").value;\n }\n set luminanceInfluence(value) {\n this.uniforms.get(\"luminanceInfluence\").value = value;\n }\n /**\n * The intensity.\n *\n * @type {Number}\n */\n get intensity() {\n return this.uniforms.get(\"intensity\").value;\n }\n set intensity(value) {\n this.uniforms.get(\"intensity\").value = value;\n }\n /**\n * Returns the color of the ambient occlusion.\n *\n * @deprecated Use color instead.\n * @return {Color} The color.\n */\n getColor() {\n return this.color;\n }\n /**\n * Sets the color of the ambient occlusion. Set to `null` to disable colorization.\n *\n * @deprecated Use color instead.\n * @param {Color} value - The color.\n */\n setColor(value) {\n this.color = value;\n }\n /**\n * Sets the occlusion distance cutoff.\n *\n * @deprecated Use ssaoMaterial instead.\n * @param {Number} threshold - The distance threshold. Range [0.0, 1.0].\n * @param {Number} falloff - The falloff. Range [0.0, 1.0].\n */\n setDistanceCutoff(threshold, falloff) {\n this.ssaoMaterial.distanceThreshold = threshold;\n this.ssaoMaterial.distanceFalloff = falloff;\n }\n /**\n * Sets the occlusion proximity cutoff.\n *\n * @deprecated Use ssaoMaterial instead.\n * @param {Number} threshold - The proximity threshold. Range [0.0, 1.0].\n * @param {Number} falloff - The falloff. Range [0.0, 1.0].\n */\n setProximityCutoff(threshold, falloff) {\n this.ssaoMaterial.proximityThreshold = threshold;\n this.ssaoMaterial.proximityFalloff = falloff;\n }\n /**\n * Sets the depth texture.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking13) {\n this.depthDownsamplingPass.setDepthTexture(depthTexture, depthPacking);\n this.ssaoMaterial.depthBuffer = depthTexture;\n this.ssaoMaterial.depthPacking = depthPacking;\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n const renderTarget = this.renderTarget;\n if (this.depthDownsamplingPass.enabled) {\n this.depthDownsamplingPass.render(renderer);\n }\n this.ssaoPass.render(renderer, null, renderTarget);\n }\n /**\n * Sets the size.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.ssaoMaterial.copyCameraSettings(this.camera);\n this.ssaoMaterial.setSize(w, h);\n this.renderTarget.setSize(w, h);\n this.depthDownsamplingPass.resolution.scale = resolution.scale;\n this.depthDownsamplingPass.setSize(width, height);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n try {\n let normalDepthBuffer = this.uniforms.get(\"normalDepthBuffer\").value;\n if (normalDepthBuffer === null) {\n this.depthDownsamplingPass.initialize(renderer, alpha, frameBufferType);\n normalDepthBuffer = this.depthDownsamplingPass.texture;\n this.uniforms.get(\"normalDepthBuffer\").value = normalDepthBuffer;\n this.ssaoMaterial.normalDepthBuffer = normalDepthBuffer;\n this.defines.set(\"NORMAL_DEPTH\", \"1\");\n }\n } catch (e) {\n this.depthDownsamplingPass.enabled = false;\n }\n }\n};\n\n// src/effects/TextureEffect.js\nimport { Uniform as Uniform41, UnsignedByteType as UnsignedByteType12 } from \"three\";\n\n// src/effects/glsl/texture.frag\nvar texture_default = \"#ifdef TEXTURE_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nvarying vec2 vUv2;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){\\n#ifdef UV_TRANSFORM\\nvec4 texel=texture2D(map,vUv2);\\n#else\\nvec4 texel=texture2D(map,uv);\\n#endif\\noutputColor=TEXEL;}\";\n\n// src/effects/glsl/texture.vert\nvar texture_default2 = \"#ifdef ASPECT_CORRECTION\\nuniform float scale;\\n#else\\nuniform mat3 uvTransform;\\n#endif\\nvarying vec2 vUv2;void mainSupport(const in vec2 uv){\\n#ifdef ASPECT_CORRECTION\\nvUv2=uv*vec2(aspect,1.0)*scale;\\n#else\\nvUv2=(uvTransform*vec3(uv,1.0)).xy;\\n#endif\\n}\";\n\n// src/effects/TextureEffect.js\nvar TextureEffect = class extends Effect {\n /**\n * Constructs a new texture effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction] - The blend function of this effect.\n * @param {Texture} [options.texture] - A texture.\n * @param {Boolean} [options.aspectCorrection=false] - Deprecated. Adjust the texture's offset, repeat and center instead.\n */\n constructor({ blendFunction, texture = null, aspectCorrection = false } = {}) {\n super(\"TextureEffect\", texture_default, {\n blendFunction,\n defines: /* @__PURE__ */ new Map([\n [\"TEXEL\", \"texel\"]\n ]),\n uniforms: /* @__PURE__ */ new Map([\n [\"map\", new Uniform41(null)],\n [\"scale\", new Uniform41(1)],\n [\"uvTransform\", new Uniform41(null)]\n ])\n });\n this.texture = texture;\n this.aspectCorrection = aspectCorrection;\n }\n /**\n * The texture.\n *\n * @type {Texture}\n */\n get texture() {\n return this.uniforms.get(\"map\").value;\n }\n set texture(value) {\n const prevTexture = this.texture;\n const uniforms = this.uniforms;\n const defines = this.defines;\n if (prevTexture !== value) {\n uniforms.get(\"map\").value = value;\n uniforms.get(\"uvTransform\").value = value.matrix;\n defines.delete(\"TEXTURE_PRECISION_HIGH\");\n if (value !== null) {\n if (value.matrixAutoUpdate) {\n defines.set(\"UV_TRANSFORM\", \"1\");\n this.setVertexShader(texture_default2);\n } else {\n defines.delete(\"UV_TRANSFORM\");\n this.setVertexShader(null);\n }\n if (value.type !== UnsignedByteType12) {\n defines.set(\"TEXTURE_PRECISION_HIGH\", \"1\");\n }\n if (prevTexture === null || prevTexture.type !== value.type || prevTexture.encoding !== value.encoding) {\n this.setChanged();\n }\n }\n }\n }\n /**\n * Returns the texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.texture;\n }\n /**\n * Sets the texture.\n *\n * @deprecated Use texture instead.\n * @param {Texture} value - The texture.\n */\n setTexture(value) {\n this.texture = value;\n }\n /**\n * Indicates whether aspect correction is enabled.\n *\n * @type {Number}\n * @deprecated Adjust the texture's offset, repeat, rotation and center instead.\n */\n get aspectCorrection() {\n return this.defines.has(\"ASPECT_CORRECTION\");\n }\n set aspectCorrection(value) {\n if (this.aspectCorrection !== value) {\n if (value) {\n this.defines.set(\"ASPECT_CORRECTION\", \"1\");\n } else {\n this.defines.delete(\"ASPECT_CORRECTION\");\n }\n this.setChanged();\n }\n }\n /**\n * Indicates whether the texture UV coordinates will be transformed using the transformation matrix of the texture.\n *\n * @type {Boolean}\n * @deprecated Use texture.matrixAutoUpdate instead.\n */\n get uvTransform() {\n const texture = this.texture;\n return texture !== null && texture.matrixAutoUpdate;\n }\n set uvTransform(value) {\n const texture = this.texture;\n if (texture !== null) {\n texture.matrixAutoUpdate = value;\n }\n }\n /**\n * Sets the swizzles that will be applied to the components of a texel before it is written to the output color.\n *\n * @param {ColorChannel} r - The swizzle for the `r` component.\n * @param {ColorChannel} [g=r] - The swizzle for the `g` component.\n * @param {ColorChannel} [b=r] - The swizzle for the `b` component.\n * @param {ColorChannel} [a=r] - The swizzle for the `a` component.\n */\n setTextureSwizzleRGBA(r, g = r, b = r, a = r) {\n const rgba = \"rgba\";\n let swizzle = \"\";\n if (r !== ColorChannel.RED || g !== ColorChannel.GREEN || b !== ColorChannel.BLUE || a !== ColorChannel.ALPHA) {\n swizzle = [\".\", rgba[r], rgba[g], rgba[b], rgba[a]].join(\"\");\n }\n this.defines.set(\"TEXEL\", \"texel\" + swizzle);\n this.setChanged();\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n if (this.texture.matrixAutoUpdate) {\n this.texture.updateMatrix();\n }\n }\n};\n\n// src/effects/TiltShiftEffect.js\nimport { SRGBColorSpace as SRGBColorSpace12, Uniform as Uniform43, Vector2 as Vector223, WebGLRenderTarget as WebGLRenderTarget17 } from \"three\";\n\n// src/materials/TiltShiftBlurMaterial.js\nimport { Uniform as Uniform42, Vector2 as Vector222, Vector4 as Vector44 } from \"three\";\n\n// src/materials/glsl/convolution.tilt-shift.frag\nvar convolution_tilt_shift_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform vec4 maskParams;varying vec2 vUv;varying vec2 vUv2;varying vec2 vOffset;float linearGradientMask(const in float x){return smoothstep(maskParams.x,maskParams.y,x)-smoothstep(maskParams.w,maskParams.z,x);}void main(){vec2 dUv=vOffset*(1.0-linearGradientMask(vUv2.y));vec4 sum=texture2D(inputBuffer,vec2(vUv.x-dUv.x,vUv.y+dUv.y));sum+=texture2D(inputBuffer,vec2(vUv.x+dUv.x,vUv.y+dUv.y));sum+=texture2D(inputBuffer,vec2(vUv.x+dUv.x,vUv.y-dUv.y));sum+=texture2D(inputBuffer,vec2(vUv.x-dUv.x,vUv.y-dUv.y));gl_FragColor=sum*0.25;\\n#include \\n}\";\n\n// src/materials/glsl/convolution.tilt-shift.vert\nvar convolution_tilt_shift_default2 = \"uniform vec4 texelSize;uniform float kernel;uniform float scale;uniform float aspect;uniform vec2 rotation;varying vec2 vUv;varying vec2 vUv2;varying vec2 vOffset;void main(){vec2 uv=position.xy*0.5+0.5;vUv=uv;vUv2=(uv-0.5)*2.0*vec2(aspect,1.0);vUv2=vec2(dot(rotation,vUv2),dot(rotation,vec2(vUv2.y,-vUv2.x)));vOffset=(texelSize.xy*vec2(kernel)+texelSize.zw)*scale;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/TiltShiftBlurMaterial.js\nvar TiltShiftBlurMaterial = class extends KawaseBlurMaterial {\n /**\n * Constructs a new tilt shift blur material.\n *\n * @param {Object} [options] - The options.\n * @param {Number} [options.offset=0.0] - The relative offset of the focus area.\n * @param {Number} [options.rotation=0.0] - The rotation of the focus area in radians.\n * @param {Number} [options.focusArea=0.4] - The relative size of the focus area.\n * @param {Number} [options.feather=0.3] - The softness of the focus area edges.\n */\n constructor({\n kernelSize = KernelSize.MEDIUM,\n offset = 0,\n rotation = 0,\n focusArea = 0.4,\n feather = 0.3\n } = {}) {\n super();\n this.fragmentShader = convolution_tilt_shift_default;\n this.vertexShader = convolution_tilt_shift_default2;\n this.kernelSize = kernelSize;\n this.uniforms.aspect = new Uniform42(1);\n this.uniforms.rotation = new Uniform42(new Vector222());\n this.uniforms.maskParams = new Uniform42(new Vector44());\n this._offset = offset;\n this._focusArea = focusArea;\n this._feather = feather;\n this.rotation = rotation;\n this.updateParams();\n }\n /**\n * The relative offset of the focus area.\n *\n * @private\n */\n updateParams() {\n const params = this.uniforms.maskParams.value;\n const a = Math.max(this.focusArea, 0);\n const b = Math.max(a - this.feather, 0);\n params.set(\n this.offset - a,\n this.offset - b,\n this.offset + a,\n this.offset + b\n );\n }\n /**\n * The rotation of the focus area in radians.\n *\n * @type {Number}\n */\n get rotation() {\n return Math.acos(this.uniforms.rotation.value.x);\n }\n set rotation(value) {\n this.uniforms.rotation.value.set(Math.cos(value), Math.sin(value));\n }\n /**\n * The relative offset of the focus area.\n *\n * @type {Number}\n */\n get offset() {\n return this._offset;\n }\n set offset(value) {\n this._offset = value;\n this.updateParams();\n }\n /**\n * The relative size of the focus area.\n *\n * @type {Number}\n */\n get focusArea() {\n return this._focusArea;\n }\n set focusArea(value) {\n this._focusArea = value;\n this.updateParams();\n }\n /**\n * The softness of the focus area edges.\n *\n * @type {Number}\n */\n get feather() {\n return this._feather;\n }\n set feather(value) {\n this._feather = value;\n this.updateParams();\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n super.setSize(width, height);\n this.uniforms.aspect.value = width / height;\n }\n};\n\n// src/passes/TiltShiftBlurPass.js\nvar TiltShiftBlurPass = class extends KawaseBlurPass {\n /**\n * Constructs a new Kawase blur pass.\n *\n * @param {Object} [options] - The options.\n * @param {Number} [options.offset=0.0] - The relative offset of the focus area.\n * @param {Number} [options.rotation=0.0] - The rotation of the focus area in radians.\n * @param {Number} [options.focusArea=0.4] - The relative size of the focus area.\n * @param {Number} [options.feather=0.3] - The softness of the focus area edges.\n * @param {KernelSize} [options.kernelSize=KernelSize.MEDIUM] - The blur kernel size.\n * @param {Number} [options.resolutionScale=0.5] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n */\n constructor({\n offset = 0,\n rotation = 0,\n focusArea = 0.4,\n feather = 0.3,\n kernelSize = KernelSize.MEDIUM,\n resolutionScale = 0.5,\n resolutionX = Resolution.AUTO_SIZE,\n resolutionY = Resolution.AUTO_SIZE\n } = {}) {\n super({ kernelSize, resolutionScale, resolutionX, resolutionY });\n this.blurMaterial = new TiltShiftBlurMaterial({ kernelSize, offset, rotation, focusArea, feather });\n }\n};\n\n// src/effects/glsl/tilt-shift.frag\nvar tilt_shift_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D map;\\n#else\\nuniform lowp sampler2D map;\\n#endif\\nuniform vec2 maskParams;varying vec2 vUv2;float linearGradientMask(const in float x){return step(maskParams.x,x)-step(maskParams.y,x);}void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){float mask=linearGradientMask(vUv2.y);vec4 texel=texture2D(map,uv);outputColor=mix(texel,inputColor,mask);}\";\n\n// src/effects/glsl/tilt-shift.vert\nvar tilt_shift_default2 = \"uniform vec2 rotation;varying vec2 vUv2;void mainSupport(const in vec2 uv){vUv2=(uv-0.5)*2.0*vec2(aspect,1.0);vUv2=vec2(dot(rotation,vUv2),dot(rotation,vec2(vUv2.y,-vUv2.x)));}\";\n\n// src/effects/TiltShiftEffect.js\nvar TiltShiftEffect = class extends Effect {\n /**\n * Constructs a new tilt shift Effect\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction] - The blend function of this effect.\n * @param {Number} [options.offset=0.0] - The relative offset of the focus area.\n * @param {Number} [options.rotation=0.0] - The rotation of the focus area in radians.\n * @param {Number} [options.focusArea=0.4] - The relative size of the focus area.\n * @param {Number} [options.feather=0.3] - The softness of the focus area edges.\n * @param {Number} [options.bias=0.06] - Deprecated.\n * @param {KernelSize} [options.kernelSize=KernelSize.MEDIUM] - The blur kernel size.\n * @param {Number} [options.resolutionScale=0.5] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n */\n constructor({\n blendFunction,\n offset = 0,\n rotation = 0,\n focusArea = 0.4,\n feather = 0.3,\n kernelSize = KernelSize.MEDIUM,\n resolutionScale = 0.5,\n resolutionX = Resolution.AUTO_SIZE,\n resolutionY = Resolution.AUTO_SIZE\n } = {}) {\n super(\"TiltShiftEffect\", tilt_shift_default, {\n vertexShader: tilt_shift_default2,\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"rotation\", new Uniform43(new Vector223())],\n [\"maskParams\", new Uniform43(new Vector223())],\n [\"map\", new Uniform43(null)]\n ])\n });\n this._offset = offset;\n this._focusArea = focusArea;\n this._feather = feather;\n this.renderTarget = new WebGLRenderTarget17(1, 1, { depthBuffer: false });\n this.renderTarget.texture.name = \"TiltShift.Target\";\n this.uniforms.get(\"map\").value = this.renderTarget.texture;\n this.blurPass = new TiltShiftBlurPass({\n kernelSize,\n resolutionScale,\n resolutionX,\n resolutionY,\n offset,\n rotation,\n focusArea,\n feather\n });\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.rotation = rotation;\n this.updateParams();\n }\n /**\n * Updates the mask params.\n *\n * @private\n */\n updateParams() {\n const params = this.uniforms.get(\"maskParams\").value;\n const x = Math.max(this.focusArea - this.feather, 0);\n params.set(this.offset - x, this.offset + x);\n }\n /**\n * The rotation of the focus area in radians.\n *\n * @type {Number}\n */\n get rotation() {\n return Math.acos(this.uniforms.get(\"rotation\").value.x);\n }\n set rotation(value) {\n this.uniforms.get(\"rotation\").value.set(Math.cos(value), Math.sin(value));\n this.blurPass.blurMaterial.rotation = value;\n }\n /**\n * The relative offset of the focus area.\n *\n * @type {Number}\n */\n get offset() {\n return this._offset;\n }\n set offset(value) {\n this._offset = value;\n this.blurPass.blurMaterial.offset = value;\n this.updateParams();\n }\n /**\n * The relative size of the focus area.\n *\n * @type {Number}\n */\n get focusArea() {\n return this._focusArea;\n }\n set focusArea(value) {\n this._focusArea = value;\n this.blurPass.blurMaterial.focusArea = value;\n this.updateParams();\n }\n /**\n * The softness of the focus area edges.\n *\n * @type {Number}\n */\n get feather() {\n return this._feather;\n }\n set feather(value) {\n this._feather = value;\n this.blurPass.blurMaterial.feather = value;\n this.updateParams();\n }\n /**\n * A blend bias.\n *\n * @type {Number}\n * @deprecated\n */\n get bias() {\n return 0;\n }\n set bias(value) {\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n this.blurPass.render(renderer, inputBuffer, this.renderTarget);\n }\n /**\n * Updates the size of internal render targets.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n this.blurPass.resolution.copy(resolution);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n this.blurPass.initialize(renderer, alpha, frameBufferType);\n if (frameBufferType !== void 0) {\n this.renderTarget.texture.type = frameBufferType;\n if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace12) {\n this.renderTarget.texture.colorSpace = SRGBColorSpace12;\n }\n }\n }\n};\n\n// src/effects/ToneMappingEffect.js\nimport { LinearMipmapLinearFilter, REVISION as REVISION3, Uniform as Uniform45, WebGLRenderTarget as WebGLRenderTarget19 } from \"three\";\n\n// src/passes/AdaptiveLuminancePass.js\nimport { NearestFilter as NearestFilter6, WebGLRenderTarget as WebGLRenderTarget18 } from \"three\";\n\n// src/materials/AdaptiveLuminanceMaterial.js\nimport { NoBlending as NoBlending17, ShaderMaterial as ShaderMaterial18, Uniform as Uniform44 } from \"three\";\n\n// src/materials/glsl/adaptive-luminance.frag\nvar adaptive_luminance_default = \"#include \\n#define packFloatToRGBA(v) packDepthToRGBA(v)\\n#define unpackRGBAToFloat(v) unpackRGBAToDepth(v)\\nuniform lowp sampler2D luminanceBuffer0;uniform lowp sampler2D luminanceBuffer1;uniform float minLuminance;uniform float deltaTime;uniform float tau;varying vec2 vUv;void main(){float l0=unpackRGBAToFloat(texture2D(luminanceBuffer0,vUv));\\n#if __VERSION__ < 300\\nfloat l1=texture2DLodEXT(luminanceBuffer1,vUv,MIP_LEVEL_1X1).r;\\n#else\\nfloat l1=textureLod(luminanceBuffer1,vUv,MIP_LEVEL_1X1).r;\\n#endif\\nl0=max(minLuminance,l0);l1=max(minLuminance,l1);float adaptedLum=l0+(l1-l0)*(1.0-exp(-deltaTime*tau));gl_FragColor=(adaptedLum==1.0)?vec4(1.0):packFloatToRGBA(adaptedLum);}\";\n\n// src/materials/AdaptiveLuminanceMaterial.js\nvar AdaptiveLuminanceMaterial = class extends ShaderMaterial18 {\n /**\n * Constructs a new adaptive luminance material.\n */\n constructor() {\n super({\n name: \"AdaptiveLuminanceMaterial\",\n defines: {\n MIP_LEVEL_1X1: \"0.0\"\n },\n uniforms: {\n luminanceBuffer0: new Uniform44(null),\n luminanceBuffer1: new Uniform44(null),\n minLuminance: new Uniform44(0.01),\n deltaTime: new Uniform44(0),\n tau: new Uniform44(1)\n },\n extensions: {\n shaderTextureLOD: true\n },\n blending: NoBlending17,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: adaptive_luminance_default,\n vertexShader: common_default\n });\n }\n /**\n * The primary luminance buffer that contains the downsampled average luminance.\n *\n * @type {Texture}\n */\n set luminanceBuffer0(value) {\n this.uniforms.luminanceBuffer0.value = value;\n }\n /**\n * Sets the primary luminance buffer that contains the downsampled average luminance.\n *\n * @deprecated Use luminanceBuffer0 instead.\n * @param {Texture} value - The buffer.\n */\n setLuminanceBuffer0(value) {\n this.uniforms.luminanceBuffer0.value = value;\n }\n /**\n * The secondary luminance buffer.\n *\n * @type {Texture}\n */\n set luminanceBuffer1(value) {\n this.uniforms.luminanceBuffer1.value = value;\n }\n /**\n * Sets the secondary luminance buffer.\n *\n * @deprecated Use luminanceBuffer1 instead.\n * @param {Texture} value - The buffer.\n */\n setLuminanceBuffer1(value) {\n this.uniforms.luminanceBuffer1.value = value;\n }\n /**\n * The 1x1 mipmap level.\n *\n * This level is used to identify the smallest mipmap of the primary luminance buffer.\n *\n * @type {Number}\n */\n set mipLevel1x1(value) {\n this.defines.MIP_LEVEL_1X1 = value.toFixed(1);\n this.needsUpdate = true;\n }\n /**\n * Sets the 1x1 mipmap level.\n *\n * @deprecated Use mipLevel1x1 instead.\n * @param {Number} value - The level.\n */\n setMipLevel1x1(value) {\n this.mipLevel1x1 = value;\n }\n /**\n * The delta time.\n *\n * @type {Number}\n */\n set deltaTime(value) {\n this.uniforms.deltaTime.value = value;\n }\n /**\n * Sets the delta time.\n *\n * @deprecated Use deltaTime instead.\n * @param {Number} value - The delta time.\n */\n setDeltaTime(value) {\n this.uniforms.deltaTime.value = value;\n }\n /**\n * The lowest possible luminance value.\n *\n * @type {Number}\n */\n get minLuminance() {\n return this.uniforms.minLuminance.value;\n }\n set minLuminance(value) {\n this.uniforms.minLuminance.value = value;\n }\n /**\n * Returns the lowest possible luminance value.\n *\n * @deprecated Use minLuminance instead.\n * @return {Number} The minimum luminance.\n */\n getMinLuminance() {\n return this.uniforms.minLuminance.value;\n }\n /**\n * Sets the minimum luminance.\n *\n * @deprecated Use minLuminance instead.\n * @param {Number} value - The minimum luminance.\n */\n setMinLuminance(value) {\n this.uniforms.minLuminance.value = value;\n }\n /**\n * The luminance adaptation rate.\n *\n * @type {Number}\n */\n get adaptationRate() {\n return this.uniforms.tau.value;\n }\n set adaptationRate(value) {\n this.uniforms.tau.value = value;\n }\n /**\n * Returns the luminance adaptation rate.\n *\n * @deprecated Use adaptationRate instead.\n * @return {Number} The adaptation rate.\n */\n getAdaptationRate() {\n return this.uniforms.tau.value;\n }\n /**\n * Sets the luminance adaptation rate.\n *\n * @deprecated Use adaptationRate instead.\n * @param {Number} value - The adaptation rate.\n */\n setAdaptationRate(value) {\n this.uniforms.tau.value = value;\n }\n};\n\n// src/passes/AdaptiveLuminancePass.js\nvar AdaptiveLuminancePass = class extends Pass {\n /**\n * Constructs a new adaptive luminance pass.\n *\n * @param {Texture} luminanceBuffer - A buffer that contains the current scene luminance.\n * @param {Object} [options] - The options.\n * @param {Number} [options.minLuminance=0.01] - The minimum luminance.\n * @param {Number} [options.adaptationRate=1.0] - The luminance adaptation rate.\n */\n constructor(luminanceBuffer, { minLuminance = 0.01, adaptationRate = 1 } = {}) {\n super(\"AdaptiveLuminancePass\");\n this.fullscreenMaterial = new AdaptiveLuminanceMaterial();\n this.needsSwap = false;\n this.renderTargetPrevious = new WebGLRenderTarget18(1, 1, {\n minFilter: NearestFilter6,\n magFilter: NearestFilter6,\n depthBuffer: false\n });\n this.renderTargetPrevious.texture.name = \"Luminance.Previous\";\n const material = this.fullscreenMaterial;\n material.luminanceBuffer0 = this.renderTargetPrevious.texture;\n material.luminanceBuffer1 = luminanceBuffer;\n material.minLuminance = minLuminance;\n material.adaptationRate = adaptationRate;\n this.renderTargetAdapted = this.renderTargetPrevious.clone();\n this.renderTargetAdapted.texture.name = \"Luminance.Adapted\";\n this.copyPass = new CopyPass(this.renderTargetPrevious, false);\n }\n /**\n * The adaptive luminance texture.\n *\n * @type {Texture}\n */\n get texture() {\n return this.renderTargetAdapted.texture;\n }\n /**\n * Returns the adaptive 1x1 luminance texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.renderTargetAdapted.texture;\n }\n /**\n * Sets the 1x1 mipmap level.\n *\n * This level is used to identify the smallest mipmap of the main luminance texture which contains the downsampled\n * average scene luminance.\n *\n * @type {Number}\n * @deprecated Use fullscreenMaterial.mipLevel1x1 instead.\n */\n set mipLevel1x1(value) {\n this.fullscreenMaterial.mipLevel1x1 = value;\n }\n /**\n * The luminance adaptation rate.\n *\n * @type {Number}\n * @deprecated Use fullscreenMaterial.adaptationRate instead.\n */\n get adaptationRate() {\n return this.fullscreenMaterial.adaptationRate;\n }\n /**\n * @type {Number}\n * @deprecated Use fullscreenMaterial.adaptationRate instead.\n */\n set adaptationRate(value) {\n this.fullscreenMaterial.adaptationRate = value;\n }\n /**\n * Renders the scene normals.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n this.fullscreenMaterial.deltaTime = deltaTime;\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTargetAdapted);\n renderer.render(this.scene, this.camera);\n this.copyPass.render(renderer, this.renderTargetAdapted);\n }\n};\n\n// src/effects/glsl/tone-mapping.frag\nvar tone_mapping_default = \"#include \\nuniform float whitePoint;\\n#if TONE_MAPPING_MODE == 2 || TONE_MAPPING_MODE == 3\\nuniform float middleGrey;\\n#if TONE_MAPPING_MODE == 3\\nuniform lowp sampler2D luminanceBuffer;\\n#else\\nuniform float averageLuminance;\\n#endif\\nvec3 Reinhard2ToneMapping(vec3 color){color*=toneMappingExposure;float l=luminance(color);\\n#if TONE_MAPPING_MODE == 3\\nfloat lumAvg=unpackRGBAToFloat(texture2D(luminanceBuffer,vec2(0.5)));\\n#else\\nfloat lumAvg=averageLuminance;\\n#endif\\nfloat lumScaled=(l*middleGrey)/max(lumAvg,1e-6);float lumCompressed=lumScaled*(1.0+lumScaled/(whitePoint*whitePoint));lumCompressed/=(1.0+lumScaled);return clamp(lumCompressed*color,0.0,1.0);}\\n#elif TONE_MAPPING_MODE == 4\\n#define A 0.15\\n#define B 0.50\\n#define C 0.10\\n#define D 0.20\\n#define E 0.02\\n#define F 0.30\\nvec3 Uncharted2Helper(const in vec3 x){return((x*(A*x+C*B)+D*E)/(x*(A*x+B)+D*F))-E/F;}vec3 Uncharted2ToneMapping(vec3 color){color*=toneMappingExposure;return clamp(Uncharted2Helper(color)/Uncharted2Helper(vec3(whitePoint)),0.0,1.0);}\\n#endif\\nvoid mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){\\n#if TONE_MAPPING_MODE == 2 || TONE_MAPPING_MODE == 3\\noutputColor=vec4(Reinhard2ToneMapping(inputColor.rgb),inputColor.a);\\n#elif TONE_MAPPING_MODE == 4\\noutputColor=vec4(Uncharted2ToneMapping(inputColor.rgb),inputColor.a);\\n#else\\noutputColor=vec4(toneMapping(inputColor.rgb),inputColor.a);\\n#endif\\n}\";\n\n// src/effects/ToneMappingEffect.js\nvar ToneMappingEffect = class extends Effect {\n /**\n * Constructs a new tone mapping effect.\n *\n * The additional parameters only affect the Reinhard2 operator.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction=BlendFunction.SRC] - The blend function of this effect.\n * @param {Boolean} [options.adaptive=false] - Deprecated. Use mode instead.\n * @param {ToneMappingMode} [options.mode=ToneMappingMode.AGX] - The tone mapping mode.\n * @param {Number} [options.resolution=256] - The resolution of the luminance texture. Must be a power of two.\n * @param {Number} [options.maxLuminance=4.0] - Deprecated. Same as whitePoint.\n * @param {Number} [options.whitePoint=4.0] - The white point.\n * @param {Number} [options.middleGrey=0.6] - The middle grey factor.\n * @param {Number} [options.minLuminance=0.01] - The minimum luminance. Prevents very high exposure in dark scenes.\n * @param {Number} [options.averageLuminance=1.0] - The average luminance. Used for the non-adaptive Reinhard operator.\n * @param {Number} [options.adaptationRate=1.0] - The luminance adaptation rate.\n */\n constructor({\n blendFunction = BlendFunction.SRC,\n adaptive = false,\n mode = adaptive ? ToneMappingMode.REINHARD2_ADAPTIVE : ToneMappingMode.AGX,\n resolution = 256,\n maxLuminance = 4,\n whitePoint = maxLuminance,\n middleGrey = 0.6,\n minLuminance = 0.01,\n averageLuminance = 1,\n adaptationRate = 1\n } = {}) {\n super(\"ToneMappingEffect\", tone_mapping_default, {\n blendFunction,\n uniforms: /* @__PURE__ */ new Map([\n [\"luminanceBuffer\", new Uniform45(null)],\n [\"maxLuminance\", new Uniform45(maxLuminance)],\n // Unused\n [\"whitePoint\", new Uniform45(whitePoint)],\n [\"middleGrey\", new Uniform45(middleGrey)],\n [\"averageLuminance\", new Uniform45(averageLuminance)]\n ])\n });\n this.renderTargetLuminance = new WebGLRenderTarget19(1, 1, {\n minFilter: LinearMipmapLinearFilter,\n depthBuffer: false\n });\n this.renderTargetLuminance.texture.generateMipmaps = true;\n this.renderTargetLuminance.texture.name = \"Luminance\";\n this.luminancePass = new LuminancePass({\n renderTarget: this.renderTargetLuminance\n });\n this.adaptiveLuminancePass = new AdaptiveLuminancePass(this.luminancePass.texture, {\n minLuminance,\n adaptationRate\n });\n this.uniforms.get(\"luminanceBuffer\").value = this.adaptiveLuminancePass.texture;\n this.resolution = resolution;\n this.mode = mode;\n }\n /**\n * The tone mapping mode.\n *\n * @type {ToneMappingMode}\n */\n get mode() {\n return Number(this.defines.get(\"TONE_MAPPING_MODE\"));\n }\n set mode(value) {\n if (this.mode === value) {\n return;\n }\n const revision = REVISION3.replace(/\\D+/g, \"\");\n const cineonToneMapping = revision >= 168 ? \"CineonToneMapping(texel)\" : \"OptimizedCineonToneMapping(texel)\";\n this.defines.clear();\n this.defines.set(\"TONE_MAPPING_MODE\", value.toFixed(0));\n switch (value) {\n case ToneMappingMode.LINEAR:\n this.defines.set(\"toneMapping(texel)\", \"LinearToneMapping(texel)\");\n break;\n case ToneMappingMode.REINHARD:\n this.defines.set(\"toneMapping(texel)\", \"ReinhardToneMapping(texel)\");\n break;\n case ToneMappingMode.CINEON:\n case ToneMappingMode.OPTIMIZED_CINEON:\n this.defines.set(\"toneMapping(texel)\", cineonToneMapping);\n break;\n case ToneMappingMode.ACES_FILMIC:\n this.defines.set(\"toneMapping(texel)\", \"ACESFilmicToneMapping(texel)\");\n break;\n case ToneMappingMode.AGX:\n this.defines.set(\"toneMapping(texel)\", \"AgXToneMapping(texel)\");\n break;\n case ToneMappingMode.NEUTRAL:\n this.defines.set(\"toneMapping(texel)\", \"NeutralToneMapping(texel)\");\n break;\n default:\n this.defines.set(\"toneMapping(texel)\", \"texel\");\n break;\n }\n this.adaptiveLuminancePass.enabled = value === ToneMappingMode.REINHARD2_ADAPTIVE;\n this.setChanged();\n }\n /**\n * Returns the current tone mapping mode.\n *\n * @deprecated Use mode instead.\n * @return {ToneMappingMode} The tone mapping mode.\n */\n getMode() {\n return this.mode;\n }\n /**\n * Sets the tone mapping mode.\n *\n * @deprecated Use mode instead.\n * @param {ToneMappingMode} value - The tone mapping mode.\n */\n setMode(value) {\n this.mode = value;\n }\n /**\n * The white point. Default is `4.0`.\n *\n * Only applies to Reinhard2 (Modified & Adaptive).\n *\n * @type {Number}\n */\n get whitePoint() {\n return this.uniforms.get(\"whitePoint\").value;\n }\n set whitePoint(value) {\n this.uniforms.get(\"whitePoint\").value = value;\n }\n /**\n * The middle grey factor. Default is `0.6`.\n *\n * Only applies to Reinhard2 (Modified & Adaptive).\n *\n * @type {Number}\n */\n get middleGrey() {\n return this.uniforms.get(\"middleGrey\").value;\n }\n set middleGrey(value) {\n this.uniforms.get(\"middleGrey\").value = value;\n }\n /**\n * The average luminance.\n *\n * Only applies to Reinhard2 (Modified).\n *\n * @type {Number}\n */\n get averageLuminance() {\n return this.uniforms.get(\"averageLuminance\").value;\n }\n set averageLuminance(value) {\n this.uniforms.get(\"averageLuminance\").value = value;\n }\n /**\n * The adaptive luminance material.\n *\n * @type {AdaptiveLuminanceMaterial}\n */\n get adaptiveLuminanceMaterial() {\n return this.adaptiveLuminancePass.fullscreenMaterial;\n }\n /**\n * Returns the adaptive luminance material.\n *\n * @deprecated Use adaptiveLuminanceMaterial instead.\n * @return {AdaptiveLuminanceMaterial} The material.\n */\n getAdaptiveLuminanceMaterial() {\n return this.adaptiveLuminanceMaterial;\n }\n /**\n * The resolution of the luminance texture. Must be a power of two.\n *\n * @type {Number}\n */\n get resolution() {\n return this.luminancePass.resolution.width;\n }\n set resolution(value) {\n const exponent = Math.max(0, Math.ceil(Math.log2(value)));\n const size = Math.pow(2, exponent);\n this.luminancePass.resolution.setPreferredSize(size, size);\n this.adaptiveLuminanceMaterial.mipLevel1x1 = exponent;\n }\n /**\n * Returns the resolution of the luminance texture.\n *\n * @deprecated Use resolution instead.\n * @return {Number} The resolution.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * Sets the resolution of the luminance texture. Must be a power of two.\n *\n * @deprecated Use resolution instead.\n * @param {Number} value - The resolution.\n */\n setResolution(value) {\n this.resolution = value;\n }\n /**\n * Indicates whether this pass uses adaptive luminance.\n *\n * @type {Boolean}\n * @deprecated Use mode instead.\n */\n get adaptive() {\n return this.mode === ToneMappingMode.REINHARD2_ADAPTIVE;\n }\n set adaptive(value) {\n this.mode = value ? ToneMappingMode.REINHARD2_ADAPTIVE : ToneMappingMode.REINHARD2;\n }\n /**\n * The luminance adaptation rate.\n *\n * @type {Number}\n * @deprecated Use adaptiveLuminanceMaterial.adaptationRate instead.\n */\n get adaptationRate() {\n return this.adaptiveLuminanceMaterial.adaptationRate;\n }\n set adaptationRate(value) {\n this.adaptiveLuminanceMaterial.adaptationRate = value;\n }\n /**\n * @type {Number}\n * @deprecated\n */\n get distinction() {\n console.warn(this.name, \"distinction was removed.\");\n return 1;\n }\n set distinction(value) {\n console.warn(this.name, \"distinction was removed.\");\n }\n /**\n * Updates this effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n */\n update(renderer, inputBuffer, deltaTime) {\n if (this.adaptiveLuminancePass.enabled) {\n this.luminancePass.render(renderer, inputBuffer);\n this.adaptiveLuminancePass.render(renderer, null, null, deltaTime);\n }\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n this.adaptiveLuminancePass.initialize(renderer, alpha, frameBufferType);\n }\n};\n\n// src/effects/VignetteEffect.js\nimport { Uniform as Uniform46 } from \"three\";\n\n// src/effects/glsl/vignette.frag\nvar vignette_default = \"uniform float offset;uniform float darkness;void mainImage(const in vec4 inputColor,const in vec2 uv,out vec4 outputColor){const vec2 center=vec2(0.5);vec3 color=inputColor.rgb;\\n#if VIGNETTE_TECHNIQUE == 0\\nfloat d=distance(uv,center);color*=smoothstep(0.8,offset*0.799,d*(darkness+offset));\\n#else\\nvec2 coord=(uv-center)*vec2(offset);color=mix(color,vec3(1.0-darkness),dot(coord,coord));\\n#endif\\noutputColor=vec4(color,inputColor.a);}\";\n\n// src/effects/VignetteEffect.js\nvar VignetteEffect = class extends Effect {\n /**\n * Constructs a new Vignette effect.\n *\n * @param {Object} [options] - The options.\n * @param {BlendFunction} [options.blendFunction] - The blend function of this effect.\n * @param {VignetteTechnique} [options.technique=VignetteTechnique.DEFAULT] - The Vignette technique.\n * @param {Boolean} [options.eskil=false] - Deprecated. Use technique instead.\n * @param {Number} [options.offset=0.5] - The Vignette offset.\n * @param {Number} [options.darkness=0.5] - The Vignette darkness.\n */\n constructor({\n blendFunction,\n eskil = false,\n technique = eskil ? VignetteTechnique.ESKIL : VignetteTechnique.DEFAULT,\n offset = 0.5,\n darkness = 0.5\n } = {}) {\n super(\"VignetteEffect\", vignette_default, {\n blendFunction,\n defines: /* @__PURE__ */ new Map([\n [\"VIGNETTE_TECHNIQUE\", technique.toFixed(0)]\n ]),\n uniforms: /* @__PURE__ */ new Map([\n [\"offset\", new Uniform46(offset)],\n [\"darkness\", new Uniform46(darkness)]\n ])\n });\n }\n /**\n * The Vignette technique.\n *\n * @type {VignetteTechnique}\n */\n get technique() {\n return Number(this.defines.get(\"VIGNETTE_TECHNIQUE\"));\n }\n set technique(value) {\n if (this.technique !== value) {\n this.defines.set(\"VIGNETTE_TECHNIQUE\", value.toFixed(0));\n this.setChanged();\n }\n }\n /**\n * Indicates whether Eskil's Vignette technique is enabled.\n *\n * @type {Boolean}\n * @deprecated Use technique instead.\n */\n get eskil() {\n return this.technique === VignetteTechnique.ESKIL;\n }\n /**\n * Indicates whether Eskil's Vignette technique is enabled.\n *\n * @type {Boolean}\n * @deprecated Use technique instead.\n */\n set eskil(value) {\n this.technique = value ? VignetteTechnique.ESKIL : VignetteTechnique.DEFAULT;\n }\n /**\n * Returns the Vignette technique.\n *\n * @deprecated Use technique instead.\n * @return {VignetteTechnique} The technique.\n */\n getTechnique() {\n return this.technique;\n }\n /**\n * Sets the Vignette technique.\n *\n * @deprecated Use technique instead.\n * @param {VignetteTechnique} value - The technique.\n */\n setTechnique(value) {\n this.technique = value;\n }\n /**\n * The Vignette offset.\n *\n * @type {Number}\n */\n get offset() {\n return this.uniforms.get(\"offset\").value;\n }\n set offset(value) {\n this.uniforms.get(\"offset\").value = value;\n }\n /**\n * Returns the Vignette offset.\n *\n * @deprecated Use offset instead.\n * @return {Number} The offset.\n */\n getOffset() {\n return this.offset;\n }\n /**\n * Sets the Vignette offset.\n *\n * @deprecated Use offset instead.\n * @param {Number} value - The offset.\n */\n setOffset(value) {\n this.offset = value;\n }\n /**\n * The Vignette darkness.\n *\n * @type {Number}\n */\n get darkness() {\n return this.uniforms.get(\"darkness\").value;\n }\n set darkness(value) {\n this.uniforms.get(\"darkness\").value = value;\n }\n /**\n * Returns the Vignette darkness.\n *\n * @deprecated Use darkness instead.\n * @return {Number} The darkness.\n */\n getDarkness() {\n return this.darkness;\n }\n /**\n * Sets the Vignette darkness.\n *\n * @deprecated Use darkness instead.\n * @param {Number} value - The darkness.\n */\n setDarkness(value) {\n this.darkness = value;\n }\n};\n\n// src/loaders/LUT3dlLoader.js\nimport { FileLoader, Loader, LoadingManager as LoadingManager2 } from \"three\";\nvar LUT3dlLoader = class extends Loader {\n /**\n * Loads a LUT.\n *\n * @param {String} url - The URL of the 3dl-file.\n * @param {Function} [onLoad] - A callback that receives the loaded lookup texture.\n * @param {Function} [onProgress] - A progress callback that receives the XMLHttpRequest instance.\n * @param {Function} [onError] - An error callback that receives the URL of the file that failed to load.\n * @return {Promise} A promise that returns the lookup texture.\n */\n load(url, onLoad = () => {\n }, onProgress = () => {\n }, onError = null) {\n const externalManager = this.manager;\n const internalManager = new LoadingManager2();\n const loader = new FileLoader(internalManager);\n loader.setPath(this.path);\n loader.setResponseType(\"text\");\n return new Promise((resolve, reject) => {\n internalManager.onError = (url2) => {\n externalManager.itemError(url2);\n if (onError !== null) {\n onError(`Failed to load ${url2}`);\n resolve();\n } else {\n reject(`Failed to load ${url2}`);\n }\n };\n externalManager.itemStart(url);\n loader.load(url, (data) => {\n try {\n const result = this.parse(data);\n externalManager.itemEnd(url);\n onLoad(result);\n resolve(result);\n } catch (e) {\n console.error(e);\n internalManager.onError(url);\n }\n }, onProgress);\n });\n }\n /**\n * Parses the given data.\n *\n * @param {String} input - The LUT data.\n * @return {LookupTexture} The lookup texture.\n * @throws {Error} Fails if the data is invalid.\n */\n parse(input) {\n const regExpGridInfo = /^[\\d ]+$/m;\n const regExpDataPoints = /^([\\d.e+-]+) +([\\d.e+-]+) +([\\d.e+-]+) *$/gm;\n let result = regExpGridInfo.exec(input);\n if (result === null) {\n throw new Error(\"Missing grid information\");\n }\n const gridLines = result[0].trim().split(/\\s+/g).map((n) => Number(n));\n const gridStep = gridLines[1] - gridLines[0];\n const size = gridLines.length;\n const sizeSq = size ** 2;\n for (let i = 1, l = gridLines.length; i < l; ++i) {\n if (gridStep !== gridLines[i] - gridLines[i - 1]) {\n throw new Error(\"Inconsistent grid size\");\n }\n }\n const data = new Float32Array(size ** 3 * 4);\n let maxValue = 0;\n let index = 0;\n while ((result = regExpDataPoints.exec(input)) !== null) {\n const r = Number(result[1]);\n const g = Number(result[2]);\n const b = Number(result[3]);\n maxValue = Math.max(maxValue, r, g, b);\n const bLayer = index % size;\n const gLayer = Math.floor(index / size) % size;\n const rLayer = Math.floor(index / sizeSq) % size;\n const d4 = (bLayer * sizeSq + gLayer * size + rLayer) * 4;\n data[d4 + 0] = r;\n data[d4 + 1] = g;\n data[d4 + 2] = b;\n data[d4 + 3] = 1;\n ++index;\n }\n const bits = Math.ceil(Math.log2(maxValue));\n const maxBitValue = Math.pow(2, bits);\n for (let i = 0, l = data.length; i < l; i += 4) {\n data[i + 0] /= maxBitValue;\n data[i + 1] /= maxBitValue;\n data[i + 2] /= maxBitValue;\n }\n return new LookupTexture(data, size);\n }\n};\n\n// src/loaders/LUTCubeLoader.js\nimport { FileLoader as FileLoader2, Loader as Loader2, LoadingManager as LoadingManager3, Vector3 as Vector37 } from \"three\";\nvar LUTCubeLoader = class extends Loader2 {\n /**\n * Loads a LUT.\n *\n * @param {String} url - The URL of the CUBE-file.\n * @param {Function} [onLoad] - A callback that receives the loaded lookup texture.\n * @param {Function} [onProgress] - A progress callback that receives the XMLHttpRequest instance.\n * @param {Function} [onError] - An error callback that receives the URL of the file that failed to load.\n * @return {Promise} A promise that returns the lookup texture.\n */\n load(url, onLoad = () => {\n }, onProgress = () => {\n }, onError = null) {\n const externalManager = this.manager;\n const internalManager = new LoadingManager3();\n const loader = new FileLoader2(internalManager);\n loader.setPath(this.path);\n loader.setResponseType(\"text\");\n return new Promise((resolve, reject) => {\n internalManager.onError = (url2) => {\n externalManager.itemError(url2);\n if (onError !== null) {\n onError(`Failed to load ${url2}`);\n resolve();\n } else {\n reject(`Failed to load ${url2}`);\n }\n };\n externalManager.itemStart(url);\n loader.load(url, (data) => {\n try {\n const result = this.parse(data);\n externalManager.itemEnd(url);\n onLoad(result);\n resolve(result);\n } catch (e) {\n console.error(e);\n internalManager.onError(url);\n }\n }, onProgress);\n });\n }\n /**\n * Parses the given data.\n *\n * @param {String} input - The LUT data.\n * @return {LookupTexture} The lookup texture.\n * @throws {Error} Fails if the data is invalid.\n */\n parse(input) {\n const regExpTitle = /TITLE +\"([^\"]*)\"/;\n const regExpSize = /LUT_3D_SIZE +(\\d+)/;\n const regExpDomainMin = /DOMAIN_MIN +([\\d.]+) +([\\d.]+) +([\\d.]+)/;\n const regExpDomainMax = /DOMAIN_MAX +([\\d.]+) +([\\d.]+) +([\\d.]+)/;\n const regExpDataPoints = /^([\\d.e+-]+) +([\\d.e+-]+) +([\\d.e+-]+) *$/gm;\n let result = regExpTitle.exec(input);\n const title = result !== null ? result[1] : null;\n result = regExpSize.exec(input);\n if (result === null) {\n throw new Error(\"Missing LUT_3D_SIZE information\");\n }\n const size = Number(result[1]);\n const data = new Float32Array(size ** 3 * 4);\n const domainMin = new Vector37(0, 0, 0);\n const domainMax = new Vector37(1, 1, 1);\n result = regExpDomainMin.exec(input);\n if (result !== null) {\n domainMin.set(Number(result[1]), Number(result[2]), Number(result[3]));\n }\n result = regExpDomainMax.exec(input);\n if (result !== null) {\n domainMax.set(Number(result[1]), Number(result[2]), Number(result[3]));\n }\n if (domainMin.x > domainMax.x || domainMin.y > domainMax.y || domainMin.z > domainMax.z) {\n domainMin.set(0, 0, 0);\n domainMax.set(1, 1, 1);\n throw new Error(\"Invalid input domain\");\n }\n let i = 0;\n while ((result = regExpDataPoints.exec(input)) !== null) {\n data[i++] = Number(result[1]);\n data[i++] = Number(result[2]);\n data[i++] = Number(result[3]);\n data[i++] = 1;\n }\n const lut = new LookupTexture(data, size);\n lut.domainMin.copy(domainMin);\n lut.domainMax.copy(domainMax);\n if (title !== null) {\n lut.name = title;\n }\n return lut;\n }\n};\n\n// src/loaders/SMAAImageLoader.js\nimport { Loader as Loader3, LoadingManager as LoadingManager4 } from \"three\";\nvar SMAAImageLoader = class extends Loader3 {\n /**\n * Loads the SMAA data images.\n *\n * @param {Function} [onLoad] - A callback that receives the search image and area image as a pair.\n * @param {Function} [onError] - An error callback that receives the URL of the image that failed to load.\n * @return {Promise} A promise that returns the search image and area image as a pair.\n */\n load(onLoad = () => {\n }, onError = null) {\n if (arguments.length === 4) {\n onLoad = arguments[1];\n onError = arguments[3];\n } else if (arguments.length === 3 || typeof arguments[0] !== \"function\") {\n onLoad = arguments[1];\n onError = null;\n }\n const externalManager = this.manager;\n const internalManager = new LoadingManager4();\n return new Promise((resolve, reject) => {\n const searchImage = new Image();\n const areaImage = new Image();\n internalManager.onError = (url) => {\n externalManager.itemError(url);\n if (onError !== null) {\n onError(`Failed to load ${url}`);\n resolve();\n } else {\n reject(`Failed to load ${url}`);\n }\n };\n internalManager.onLoad = () => {\n const result = [searchImage, areaImage];\n onLoad(result);\n resolve(result);\n };\n searchImage.addEventListener(\"error\", (e) => {\n internalManager.itemError(\"smaa-search\");\n });\n areaImage.addEventListener(\"error\", (e) => {\n internalManager.itemError(\"smaa-area\");\n });\n searchImage.addEventListener(\"load\", () => {\n externalManager.itemEnd(\"smaa-search\");\n internalManager.itemEnd(\"smaa-search\");\n });\n areaImage.addEventListener(\"load\", () => {\n externalManager.itemEnd(\"smaa-area\");\n internalManager.itemEnd(\"smaa-area\");\n });\n externalManager.itemStart(\"smaa-search\");\n externalManager.itemStart(\"smaa-area\");\n internalManager.itemStart(\"smaa-search\");\n internalManager.itemStart(\"smaa-area\");\n searchImage.src = searchImageDataURL_default;\n areaImage.src = areaImageDataURL_default;\n });\n }\n};\n\n// src/materials/BoxBlurMaterial.js\nimport { NoBlending as NoBlending18, PerspectiveCamera as PerspectiveCamera5, ShaderMaterial as ShaderMaterial19, Uniform as Uniform47, Vector2 as Vector224 } from \"three\";\n\n// src/materials/glsl/convolution.box.frag\nvar convolution_box_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#ifdef BILATERAL\\n#include \\nuniform vec2 cameraNearFar;\\n#ifdef NORMAL_DEPTH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){return texture2D(normalDepthBuffer,uv).a;}\\n#else\\n#if DEPTH_PACKING == 3201\\nuniform lowp sampler2D depthBuffer;\\n#elif defined(GL_FRAGMENT_PRECISION_HIGH)\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}\\n#endif\\nfloat getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNearFar.x,cameraNearFar.y);\\n#endif\\n}\\n#ifdef PERSPECTIVE_CAMERA\\n#define linearDepth(v) viewZToOrthographicDepth(getViewZ(readDepth(v)), cameraNearFar.x, cameraNearFar.y)\\n#else\\n#define linearDepth(v) readDepth(v)\\n#endif\\n#endif\\n#define getTexel(v) texture2D(inputBuffer, v)\\n#if KERNEL_SIZE == 3\\nvarying vec2 vUv00,vUv01,vUv02;varying vec2 vUv03,vUv04,vUv05;varying vec2 vUv06,vUv07,vUv08;\\n#elif KERNEL_SIZE == 5 && MAX_VARYING_VECTORS >= 13\\nvarying vec2 vUv00,vUv01,vUv02,vUv03,vUv04;varying vec2 vUv05,vUv06,vUv07,vUv08,vUv09;varying vec2 vUv10,vUv11,vUv12,vUv13,vUv14;varying vec2 vUv15,vUv16,vUv17,vUv18,vUv19;varying vec2 vUv20,vUv21,vUv22,vUv23,vUv24;\\n#else\\nuniform vec2 texelSize;uniform float scale;varying vec2 vUv;\\n#endif\\nvoid main(){\\n#if KERNEL_SIZE == 3\\nvec4 c[]=vec4[KERNEL_SIZE_SQ](getTexel(vUv00),getTexel(vUv01),getTexel(vUv02),getTexel(vUv03),getTexel(vUv04),getTexel(vUv05),getTexel(vUv06),getTexel(vUv07),getTexel(vUv08));\\n#ifdef BILATERAL\\nfloat z[]=float[KERNEL_SIZE_SQ](linearDepth(vUv00),linearDepth(vUv01),linearDepth(vUv02),linearDepth(vUv03),linearDepth(vUv04),linearDepth(vUv05),linearDepth(vUv06),linearDepth(vUv07),linearDepth(vUv08));\\n#endif\\n#elif KERNEL_SIZE == 5 && MAX_VARYING_VECTORS >= 13\\nvec4 c[]=vec4[KERNEL_SIZE_SQ](getTexel(vUv00),getTexel(vUv01),getTexel(vUv02),getTexel(vUv03),getTexel(vUv04),getTexel(vUv05),getTexel(vUv06),getTexel(vUv07),getTexel(vUv08),getTexel(vUv09),getTexel(vUv10),getTexel(vUv11),getTexel(vUv12),getTexel(vUv13),getTexel(vUv14),getTexel(vUv15),getTexel(vUv16),getTexel(vUv17),getTexel(vUv18),getTexel(vUv19),getTexel(vUv20),getTexel(vUv21),getTexel(vUv22),getTexel(vUv23),getTexel(vUv24));\\n#ifdef BILATERAL\\nfloat z[]=float[KERNEL_SIZE_SQ](linearDepth(vUv00),linearDepth(vUv01),linearDepth(vUv02),linearDepth(vUv03),linearDepth(vUv04),linearDepth(vUv05),linearDepth(vUv06),linearDepth(vUv07),linearDepth(vUv08),linearDepth(vUv09),linearDepth(vUv10),linearDepth(vUv11),linearDepth(vUv12),linearDepth(vUv13),linearDepth(vUv14),linearDepth(vUv15),linearDepth(vUv16),linearDepth(vUv17),linearDepth(vUv18),linearDepth(vUv19),linearDepth(vUv20),linearDepth(vUv21),linearDepth(vUv22),linearDepth(vUv23),linearDepth(vUv24));\\n#endif\\n#endif\\nvec4 result=vec4(0.0);\\n#ifdef BILATERAL\\nfloat w=0.0;\\n#if KERNEL_SIZE == 3 || (KERNEL_SIZE == 5 && MAX_VARYING_VECTORS >= 13)\\nfloat centerDepth=z[KERNEL_SIZE_SQ_HALF];for(int i=0;i= 13)\\nfor(int i=0;i= 13\\nvarying vec2 vUv00,vUv01,vUv02,vUv03,vUv04;varying vec2 vUv05,vUv06,vUv07,vUv08,vUv09;varying vec2 vUv10,vUv11,vUv12,vUv13,vUv14;varying vec2 vUv15,vUv16,vUv17,vUv18,vUv19;varying vec2 vUv20,vUv21,vUv22,vUv23,vUv24;\\n#else\\nvarying vec2 vUv;\\n#endif\\nvoid main(){vec2 uv=position.xy*0.5+0.5;\\n#if KERNEL_SIZE == 3\\nvec2 s=texelSize*scale;vUv00=uv+s*vec2(-1.0,-1.0);vUv01=uv+s*vec2(0.0,-1.0);vUv02=uv+s*vec2(1.0,-1.0);vUv03=uv+s*vec2(-1.0,0.0);vUv04=uv;vUv05=uv+s*vec2(1.0,0.0);vUv06=uv+s*vec2(-1.0,1.0);vUv07=uv+s*vec2(0.0,1.0);vUv08=uv+s*vec2(1.0,1.0);\\n#elif KERNEL_SIZE == 5\\nvec2 s=texelSize*scale;vUv00=uv+s*vec2(-2.0,-2.0);vUv01=uv+s*vec2(-1.0,-2.0);vUv02=uv+s*vec2(0.0,-2.0);vUv03=uv+s*vec2(1.0,-2.0);vUv04=uv+s*vec2(2.0,-2.0);vUv05=uv+s*vec2(-2.0,-1.0);vUv06=uv+s*vec2(-1.0,-1.0);vUv07=uv+s*vec2(0.0,-1.0);vUv08=uv+s*vec2(1.0,-1.0);vUv09=uv+s*vec2(2.0,-1.0);vUv10=uv+s*vec2(-2.0,0.0);vUv11=uv+s*vec2(-1.0,0.0);vUv12=uv;vUv13=uv+s*vec2(1.0,0.0);vUv14=uv+s*vec2(2.0,0.0);vUv15=uv+s*vec2(-2.0,1.0);vUv16=uv+s*vec2(-1.0,1.0);vUv17=uv+s*vec2(0.0,1.0);vUv18=uv+s*vec2(1.0,1.0);vUv19=uv+s*vec2(2.0,1.0);vUv20=uv+s*vec2(-2.0,2.0);vUv21=uv+s*vec2(-1.0,2.0);vUv22=uv+s*vec2(0.0,2.0);vUv23=uv+s*vec2(1.0,2.0);vUv24=uv+s*vec2(2.0,2.0);\\n#else\\nvUv=uv;\\n#endif\\ngl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/BoxBlurMaterial.js\nvar BoxBlurMaterial = class extends ShaderMaterial19 {\n /**\n * Constructs a new box blur material.\n *\n * @param {Object} [options] - The options.\n * @param {Number} [options.bilateral=false] - Enables or disables bilateral blurring.\n * @param {Number} [options.kernelSize=5] - The kernel size.\n */\n constructor({ bilateral = false, kernelSize = 5 } = {}) {\n super({\n name: \"BoxBlurMaterial\",\n defines: {\n DEPTH_PACKING: \"0\",\n DISTANCE_THRESHOLD: \"0.1\"\n },\n uniforms: {\n inputBuffer: new Uniform47(null),\n depthBuffer: new Uniform47(null),\n normalDepthBuffer: new Uniform47(null),\n texelSize: new Uniform47(new Vector224()),\n cameraNearFar: new Uniform47(new Vector224()),\n scale: new Uniform47(1)\n },\n blending: NoBlending18,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_box_default,\n vertexShader: convolution_box_default2\n });\n this.bilateral = bilateral;\n this.kernelSize = kernelSize;\n this.maxVaryingVectors = 8;\n }\n /**\n * The maximum amount of varying vectors.\n *\n * Should be synced with `renderer.capabilities.maxVaryings`. Default is 8.\n *\n * @type {Number}\n */\n set maxVaryingVectors(value) {\n this.defines.MAX_VARYING_VECTORS = value.toFixed(0);\n }\n /**\n * The kernel size.\n *\n * - Must be an odd number\n * - Kernel size 3 and 5 use optimized code paths\n * - Default is 5\n *\n * @type {Number}\n */\n get kernelSize() {\n return Number(this.defines.KERNEL_SIZE);\n }\n set kernelSize(value) {\n if (value % 2 === 0) {\n throw new Error(\"The kernel size must be an odd number\");\n }\n this.defines.KERNEL_SIZE = value.toFixed(0);\n this.defines.KERNEL_SIZE_HALF = Math.floor(value / 2).toFixed(0);\n this.defines.KERNEL_SIZE_SQ = (value ** 2).toFixed(0);\n this.defines.KERNEL_SIZE_SQ_HALF = Math.floor(value ** 2 / 2).toFixed(0);\n this.defines.INV_KERNEL_SIZE_SQ = (1 / value ** 2).toFixed(6);\n this.needsUpdate = true;\n }\n /**\n * The blur scale.\n *\n * @type {Number}\n */\n get scale() {\n return this.uniforms.scale.value;\n }\n set scale(value) {\n this.uniforms.scale.value = value;\n }\n /**\n * The current near plane setting.\n *\n * @type {Number}\n * @private\n */\n get near() {\n return this.uniforms.cameraNearFar.value.x;\n }\n /**\n * The current far plane setting.\n *\n * @type {Number}\n * @private\n */\n get far() {\n return this.uniforms.cameraNearFar.value.y;\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * The depth buffer.\n *\n * @type {Texture}\n */\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n /**\n * A combined normal-depth buffer. Overrides {@link depthBuffer} if set.\n *\n * @type {Texture}\n */\n set normalDepthBuffer(value) {\n this.uniforms.normalDepthBuffer.value = value;\n if (value !== null) {\n this.defines.NORMAL_DEPTH = \"1\";\n } else {\n delete this.defines.NORMAL_DEPTH;\n }\n this.needsUpdate = true;\n }\n /**\n * The depth packing strategy.\n *\n * @type {DepthPackingStrategies}\n */\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Indicates whether bilateral filtering is enabled.\n *\n * @type {Boolean}\n */\n get bilateral() {\n return this.defines.BILATERAL !== void 0;\n }\n set bilateral(value) {\n if (value !== null) {\n this.defines.BILATERAL = \"1\";\n } else {\n delete this.defines.BILATERAL;\n }\n this.needsUpdate = true;\n }\n /**\n * The bilateral filter distance threshold in world units.\n *\n * @type {Number}\n */\n get worldDistanceThreshold() {\n return -orthographicDepthToViewZ(Number(this.defines.DISTANCE_THRESHOLD), this.near, this.far);\n }\n set worldDistanceThreshold(value) {\n const threshold = viewZToOrthographicDepth(-value, this.near, this.far);\n this.defines.DISTANCE_THRESHOLD = threshold.toFixed(12);\n this.needsUpdate = true;\n }\n /**\n * Copies the settings of the given camera.\n *\n * @param {Camera} camera - A camera.\n */\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNearFar.value.set(camera.near, camera.far);\n if (camera instanceof PerspectiveCamera5) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/materials/DepthCopyMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking14, NoBlending as NoBlending19, ShaderMaterial as ShaderMaterial20, Uniform as Uniform48, Vector2 as Vector225 } from \"three\";\n\n// src/materials/glsl/depth-copy.frag\nvar depth_copy_default = \"#include \\nvarying vec2 vUv;\\n#ifdef NORMAL_DEPTH\\n#ifdef GL_FRAGMENT_PRECISION_HIGH\\nuniform highp sampler2D normalDepthBuffer;\\n#else\\nuniform mediump sampler2D normalDepthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){return texture2D(normalDepthBuffer,uv).a;}\\n#else\\n#if INPUT_DEPTH_PACKING == 3201\\nuniform lowp sampler2D depthBuffer;\\n#elif defined(GL_FRAGMENT_PRECISION_HIGH)\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nfloat readDepth(const in vec2 uv){\\n#if INPUT_DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}\\n#endif\\nvoid main(){\\n#if INPUT_DEPTH_PACKING == OUTPUT_DEPTH_PACKING\\ngl_FragColor=texture2D(depthBuffer,vUv);\\n#else\\nfloat depth=readDepth(vUv);\\n#if OUTPUT_DEPTH_PACKING == 3201\\ngl_FragColor=(depth==1.0)?vec4(1.0):packDepthToRGBA(depth);\\n#else\\ngl_FragColor=vec4(vec3(depth),1.0);\\n#endif\\n#endif\\n}\";\n\n// src/materials/glsl/depth-copy.vert\nvar depth_copy_default2 = \"varying vec2 vUv;\\n#if DEPTH_COPY_MODE == 1\\nuniform vec2 texelPosition;\\n#endif\\nvoid main(){\\n#if DEPTH_COPY_MODE == 1\\nvUv=texelPosition;\\n#else\\nvUv=position.xy*0.5+0.5;\\n#endif\\ngl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/DepthCopyMaterial.js\nvar DepthCopyMaterial = class extends ShaderMaterial20 {\n /**\n * Constructs a new depth copy material.\n */\n constructor() {\n super({\n name: \"DepthCopyMaterial\",\n defines: {\n INPUT_DEPTH_PACKING: \"0\",\n OUTPUT_DEPTH_PACKING: \"0\",\n DEPTH_COPY_MODE: \"0\"\n },\n uniforms: {\n depthBuffer: new Uniform48(null),\n texelPosition: new Uniform48(new Vector225())\n },\n blending: NoBlending19,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: depth_copy_default,\n vertexShader: depth_copy_default2\n });\n this.depthCopyMode = DepthCopyMode.FULL;\n }\n /**\n * The input depth buffer.\n *\n * @type {Texture}\n */\n get depthBuffer() {\n return this.uniforms.depthBuffer.value;\n }\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n /**\n * The input depth packing strategy.\n *\n * @type {DepthPackingStrategies}\n */\n set inputDepthPacking(value) {\n this.defines.INPUT_DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * The output depth packing strategy.\n *\n * @type {DepthPackingStrategies}\n */\n get outputDepthPacking() {\n return Number(this.defines.OUTPUT_DEPTH_PACKING);\n }\n set outputDepthPacking(value) {\n this.defines.OUTPUT_DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the input depth buffer.\n *\n * @deprecated Use depthBuffer and inputDepthPacking instead.\n * @param {Texture} buffer - The depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing strategy.\n */\n setDepthBuffer(buffer, depthPacking = BasicDepthPacking14) {\n this.depthBuffer = buffer;\n this.inputDepthPacking = depthPacking;\n }\n /**\n * Returns the current input depth packing strategy.\n *\n * @deprecated\n * @return {DepthPackingStrategies} The input depth packing strategy.\n */\n getInputDepthPacking() {\n return Number(this.defines.INPUT_DEPTH_PACKING);\n }\n /**\n * Sets the input depth packing strategy.\n *\n * @deprecated Use inputDepthPacking instead.\n * @param {DepthPackingStrategies} value - The new input depth packing strategy.\n */\n setInputDepthPacking(value) {\n this.defines.INPUT_DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Returns the current output depth packing strategy.\n *\n * @deprecated Use outputDepthPacking instead.\n * @return {DepthPackingStrategies} The output depth packing strategy.\n */\n getOutputDepthPacking() {\n return Number(this.defines.OUTPUT_DEPTH_PACKING);\n }\n /**\n * Sets the output depth packing strategy.\n *\n * @deprecated Use outputDepthPacking instead.\n * @param {DepthPackingStrategies} value - The new output depth packing strategy.\n */\n setOutputDepthPacking(value) {\n this.defines.OUTPUT_DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * The screen space position used for single-texel copy operations.\n *\n * @type {Vector2}\n */\n get texelPosition() {\n return this.uniforms.texelPosition.value;\n }\n /**\n * Returns the screen space position used for single-texel copy operations.\n *\n * @deprecated Use texelPosition instead.\n * @return {Vector2} The position.\n */\n getTexelPosition() {\n return this.uniforms.texelPosition.value;\n }\n /**\n * Sets the screen space position used for single-texel copy operations.\n *\n * @deprecated\n * @param {Vector2} value - The position.\n */\n setTexelPosition(value) {\n this.uniforms.texelPosition.value = value;\n }\n /**\n * The depth copy mode.\n *\n * @type {DepthCopyMode}\n */\n get mode() {\n return this.depthCopyMode;\n }\n set mode(value) {\n this.depthCopyMode = value;\n this.defines.DEPTH_COPY_MODE = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Returns the depth copy mode.\n *\n * @deprecated Use mode instead.\n * @return {DepthCopyMode} The depth copy mode.\n */\n getMode() {\n return this.mode;\n }\n /**\n * Sets the depth copy mode.\n *\n * @deprecated Use mode instead.\n * @param {DepthCopyMode} value - The new mode.\n */\n setMode(value) {\n this.mode = value;\n }\n};\n\n// src/materials/EffectMaterial.js\nimport { BasicDepthPacking as BasicDepthPacking15, NoBlending as NoBlending20, PerspectiveCamera as PerspectiveCamera6, REVISION as REVISION4, ShaderMaterial as ShaderMaterial21, Uniform as Uniform49, Vector2 as Vector226 } from \"three\";\n\n// src/materials/glsl/effect.frag\nvar effect_default = \"#include \\n#include \\n#include \\n#define packFloatToRGBA(v) packDepthToRGBA(v)\\n#define unpackRGBAToFloat(v) unpackRGBAToDepth(v)\\n#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\n#if DEPTH_PACKING == 3201\\nuniform lowp sampler2D depthBuffer;\\n#elif defined(GL_FRAGMENT_PRECISION_HIGH)\\nuniform highp sampler2D depthBuffer;\\n#else\\nuniform mediump sampler2D depthBuffer;\\n#endif\\nuniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv;vec4 sRGBToLinear(const in vec4 value){return vec4(mix(pow(value.rgb*0.9478672986+vec3(0.0521327014),vec3(2.4)),value.rgb*0.0773993808,vec3(lessThanEqual(value.rgb,vec3(0.04045)))),value.a);}float readDepth(const in vec2 uv){\\n#if DEPTH_PACKING == 3201\\nreturn unpackRGBAToDepth(texture2D(depthBuffer,uv));\\n#else\\nreturn texture2D(depthBuffer,uv).r;\\n#endif\\n}float getViewZ(const in float depth){\\n#ifdef PERSPECTIVE_CAMERA\\nreturn perspectiveDepthToViewZ(depth,cameraNear,cameraFar);\\n#else\\nreturn orthographicDepthToViewZ(depth,cameraNear,cameraFar);\\n#endif\\n}vec3 RGBToHCV(const in vec3 RGB){vec4 P=mix(vec4(RGB.bg,-1.0,2.0/3.0),vec4(RGB.gb,0.0,-1.0/3.0),step(RGB.b,RGB.g));vec4 Q=mix(vec4(P.xyw,RGB.r),vec4(RGB.r,P.yzx),step(P.x,RGB.r));float C=Q.x-min(Q.w,Q.y);float H=abs((Q.w-Q.y)/(6.0*C+EPSILON)+Q.z);return vec3(H,C,Q.x);}vec3 RGBToHSL(const in vec3 RGB){vec3 HCV=RGBToHCV(RGB);float L=HCV.z-HCV.y*0.5;float S=HCV.y/(1.0-abs(L*2.0-1.0)+EPSILON);return vec3(HCV.x,S,L);}vec3 HueToRGB(const in float H){float R=abs(H*6.0-3.0)-1.0;float G=2.0-abs(H*6.0-2.0);float B=2.0-abs(H*6.0-4.0);return clamp(vec3(R,G,B),0.0,1.0);}vec3 HSLToRGB(const in vec3 HSL){vec3 RGB=HueToRGB(HSL.x);float C=(1.0-abs(2.0*HSL.z-1.0))*HSL.y;return(RGB-0.5)*C+HSL.z;}FRAGMENT_HEAD void main(){FRAGMENT_MAIN_UV vec4 color0=texture2D(inputBuffer,UV);vec4 color1=vec4(0.0);FRAGMENT_MAIN_IMAGE color0.a=clamp(color0.a,0.0,1.0);gl_FragColor=color0;\\n#ifdef ENCODE_OUTPUT\\n#include \\n#endif\\n#include \\n}\";\n\n// src/materials/glsl/effect.vert\nvar effect_default2 = \"uniform vec2 resolution;uniform vec2 texelSize;uniform float cameraNear;uniform float cameraFar;uniform float aspect;uniform float time;varying vec2 vUv;VERTEX_HEAD void main(){vUv=position.xy*0.5+0.5;VERTEX_MAIN_SUPPORT gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/EffectMaterial.js\nvar EffectMaterial = class extends ShaderMaterial21 {\n /**\n * Constructs a new effect material.\n *\n * @param {Map} [shaderParts] - Deprecated. Use setShaderData instead.\n * @param {Map} [defines] - Deprecated. Use setShaderData instead.\n * @param {Map} [uniforms] - Deprecated. Use setShaderData instead.\n * @param {Camera} [camera] - A camera.\n * @param {Boolean} [dithering=false] - Deprecated.\n */\n constructor(shaderParts, defines, uniforms, camera, dithering = false) {\n super({\n name: \"EffectMaterial\",\n defines: {\n THREE_REVISION: REVISION4.replace(/\\D+/g, \"\"),\n DEPTH_PACKING: \"0\",\n ENCODE_OUTPUT: \"1\"\n },\n uniforms: {\n inputBuffer: new Uniform49(null),\n depthBuffer: new Uniform49(null),\n resolution: new Uniform49(new Vector226()),\n texelSize: new Uniform49(new Vector226()),\n cameraNear: new Uniform49(0.3),\n cameraFar: new Uniform49(1e3),\n aspect: new Uniform49(1),\n time: new Uniform49(0)\n },\n blending: NoBlending20,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n dithering\n });\n if (shaderParts) {\n this.setShaderParts(shaderParts);\n }\n if (defines) {\n this.setDefines(defines);\n }\n if (uniforms) {\n this.setUniforms(uniforms);\n }\n this.copyCameraSettings(camera);\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * Sets the input buffer.\n *\n * @deprecated Use inputBuffer instead.\n * @param {Texture} value - The input buffer.\n */\n setInputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * The depth buffer.\n *\n * @type {Texture}\n */\n get depthBuffer() {\n return this.uniforms.depthBuffer.value;\n }\n set depthBuffer(value) {\n this.uniforms.depthBuffer.value = value;\n }\n /**\n * The depth packing strategy.\n *\n * @type {DepthPackingStrategies}\n */\n get depthPacking() {\n return Number(this.defines.DEPTH_PACKING);\n }\n set depthPacking(value) {\n this.defines.DEPTH_PACKING = value.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the depth buffer.\n *\n * @deprecated Use depthBuffer and depthPacking instead.\n * @param {Texture} buffer - The depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing strategy.\n */\n setDepthBuffer(buffer, depthPacking = BasicDepthPacking15) {\n this.depthBuffer = buffer;\n this.depthPacking = depthPacking;\n }\n /**\n * Sets the shader data.\n *\n * @param {EffectShaderData} data - The shader data.\n * @return {EffectMaterial} This material.\n */\n setShaderData(data) {\n this.setShaderParts(data.shaderParts);\n this.setDefines(data.defines);\n this.setUniforms(data.uniforms);\n this.setExtensions(data.extensions);\n }\n /**\n * Sets the shader parts.\n *\n * @deprecated Use setShaderData instead.\n * @param {Map} shaderParts - A collection of shader snippets. See {@link EffectShaderSection}.\n * @return {EffectMaterial} This material.\n */\n setShaderParts(shaderParts) {\n this.fragmentShader = effect_default.replace(EffectShaderSection.FRAGMENT_HEAD, shaderParts.get(EffectShaderSection.FRAGMENT_HEAD) || \"\").replace(EffectShaderSection.FRAGMENT_MAIN_UV, shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_UV) || \"\").replace(EffectShaderSection.FRAGMENT_MAIN_IMAGE, shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_IMAGE) || \"\");\n this.vertexShader = effect_default2.replace(EffectShaderSection.VERTEX_HEAD, shaderParts.get(EffectShaderSection.VERTEX_HEAD) || \"\").replace(EffectShaderSection.VERTEX_MAIN_SUPPORT, shaderParts.get(EffectShaderSection.VERTEX_MAIN_SUPPORT) || \"\");\n this.needsUpdate = true;\n return this;\n }\n /**\n * Sets the shader macros.\n *\n * @deprecated Use setShaderData instead.\n * @param {Map} defines - A collection of preprocessor macro definitions.\n * @return {EffectMaterial} This material.\n */\n setDefines(defines) {\n for (const entry of defines.entries()) {\n this.defines[entry[0]] = entry[1];\n }\n this.needsUpdate = true;\n return this;\n }\n /**\n * Sets the shader uniforms.\n *\n * @deprecated Use setShaderData instead.\n * @param {Map} uniforms - A collection of uniforms.\n * @return {EffectMaterial} This material.\n */\n setUniforms(uniforms) {\n for (const entry of uniforms.entries()) {\n this.uniforms[entry[0]] = entry[1];\n }\n return this;\n }\n /**\n * Sets the required shader extensions.\n *\n * @deprecated Use setShaderData instead.\n * @param {Set} extensions - A collection of extensions.\n * @return {EffectMaterial} This material.\n */\n setExtensions(extensions) {\n this.extensions = {};\n for (const extension of extensions) {\n this.extensions[extension] = true;\n }\n return this;\n }\n /**\n * Indicates whether output encoding is enabled.\n *\n * @type {Boolean}\n */\n get encodeOutput() {\n return this.defines.ENCODE_OUTPUT !== void 0;\n }\n set encodeOutput(value) {\n if (this.encodeOutput !== value) {\n if (value) {\n this.defines.ENCODE_OUTPUT = \"1\";\n } else {\n delete this.defines.ENCODE_OUTPUT;\n }\n this.needsUpdate = true;\n }\n }\n /**\n * Indicates whether output encoding is enabled.\n *\n * @deprecated Use encodeOutput instead.\n * @return {Boolean} Whether output encoding is enabled.\n */\n isOutputEncodingEnabled(value) {\n return this.encodeOutput;\n }\n /**\n * Enables or disables output encoding.\n *\n * @deprecated Use encodeOutput instead.\n * @param {Boolean} value - Whether output encoding should be enabled.\n */\n setOutputEncodingEnabled(value) {\n this.encodeOutput = value;\n }\n /**\n * The time in seconds.\n *\n * @type {Number}\n */\n get time() {\n return this.uniforms.time.value;\n }\n set time(value) {\n this.uniforms.time.value = value;\n }\n /**\n * Sets the delta time.\n *\n * @deprecated Use time instead.\n * @param {Number} value - The delta time in seconds.\n */\n setDeltaTime(value) {\n this.uniforms.time.value += value;\n }\n /**\n * Copies the settings of the given camera.\n *\n * @deprecated Use copyCameraSettings instead.\n * @param {Camera} camera - A camera.\n */\n adoptCameraSettings(camera) {\n this.copyCameraSettings(camera);\n }\n /**\n * Copies the settings of the given camera.\n *\n * @param {Camera} camera - A camera.\n */\n copyCameraSettings(camera) {\n if (camera) {\n this.uniforms.cameraNear.value = camera.near;\n this.uniforms.cameraFar.value = camera.far;\n if (camera instanceof PerspectiveCamera6) {\n this.defines.PERSPECTIVE_CAMERA = \"1\";\n } else {\n delete this.defines.PERSPECTIVE_CAMERA;\n }\n this.needsUpdate = true;\n }\n }\n /**\n * Sets the resolution.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const uniforms = this.uniforms;\n uniforms.resolution.value.set(width, height);\n uniforms.texelSize.value.set(1 / width, 1 / height);\n uniforms.aspect.value = width / height;\n }\n /**\n * An enumeration of shader code placeholders.\n *\n * @deprecated Use EffectShaderSection instead.\n * @type {Object}\n */\n static get Section() {\n return EffectShaderSection;\n }\n};\n\n// src/materials/GaussianBlurMaterial.js\nimport { NoBlending as NoBlending21, ShaderMaterial as ShaderMaterial22, Uniform as Uniform50, Vector2 as Vector227 } from \"three\";\n\n// src/materials/glsl/convolution.gaussian.frag\nvar convolution_gaussian_default = \"#ifdef FRAMEBUFFER_PRECISION_HIGH\\nuniform mediump sampler2D inputBuffer;\\n#else\\nuniform lowp sampler2D inputBuffer;\\n#endif\\nuniform vec2 kernel[STEPS];varying vec2 vOffset;varying vec2 vUv;void main(){vec4 result=texture2D(inputBuffer,vUv)*kernel[0].y;for(int i=1;i\\n}\";\n\n// src/materials/glsl/convolution.gaussian.vert\nvar convolution_gaussian_default2 = \"uniform vec2 texelSize;uniform vec2 direction;uniform float scale;varying vec2 vOffset;varying vec2 vUv;void main(){vOffset=direction*texelSize*scale;vUv=position.xy*0.5+0.5;gl_Position=vec4(position.xy,1.0,1.0);}\";\n\n// src/materials/GaussianBlurMaterial.js\nvar GaussianBlurMaterial = class extends ShaderMaterial22 {\n /**\n * Constructs a new convolution material.\n *\n * @param {Object} [options] - The options.\n * @param {Number} [options.kernelSize=35] - The kernel size.\n */\n constructor({ kernelSize = 35 } = {}) {\n super({\n name: \"GaussianBlurMaterial\",\n uniforms: {\n inputBuffer: new Uniform50(null),\n texelSize: new Uniform50(new Vector227()),\n direction: new Uniform50(new Vector227()),\n kernel: new Uniform50(null),\n scale: new Uniform50(1)\n },\n blending: NoBlending21,\n toneMapped: false,\n depthWrite: false,\n depthTest: false,\n fragmentShader: convolution_gaussian_default,\n vertexShader: convolution_gaussian_default2\n });\n this._kernelSize = 0;\n this.kernelSize = kernelSize;\n }\n /**\n * The input buffer.\n *\n * @type {Texture}\n */\n set inputBuffer(value) {\n this.uniforms.inputBuffer.value = value;\n }\n /**\n * The kernel size.\n *\n * @type {Number}\n */\n get kernelSize() {\n return this._kernelSize;\n }\n set kernelSize(value) {\n this._kernelSize = value;\n this.generateKernel(value);\n }\n /**\n * The blur direction.\n *\n * @type {Vector2}\n */\n get direction() {\n return this.uniforms.direction.value;\n }\n /**\n * The blur kernel scale. Values greater than 1.0 may introduce artifacts.\n *\n * @type {Number}\n */\n get scale() {\n return this.uniforms.scale.value;\n }\n set scale(value) {\n this.uniforms.scale.value = value;\n }\n /**\n * Generates the Gauss kernel.\n *\n * @param {KernelSize} kernelSize - The kernel size. Should be an odd number.\n * @private\n */\n generateKernel(kernelSize) {\n const kernel = new GaussKernel(kernelSize);\n const steps = kernel.linearSteps;\n const kernelData = new Float64Array(steps * 2);\n for (let i = 0, j = 0; i < steps; ++i) {\n kernelData[j++] = kernel.linearOffsets[i];\n kernelData[j++] = kernel.linearWeights[i];\n }\n this.uniforms.kernel.value = kernelData;\n this.defines.STEPS = steps.toFixed(0);\n this.needsUpdate = true;\n }\n /**\n * Sets the size of this object.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.uniforms.texelSize.value.set(1 / width, 1 / height);\n }\n};\n\n// src/passes/BoxBlurPass.js\nimport { BasicDepthPacking as BasicDepthPacking16, SRGBColorSpace as SRGBColorSpace13, UnsignedByteType as UnsignedByteType13, WebGLRenderTarget as WebGLRenderTarget20 } from \"three\";\nvar BoxBlurPass = class extends Pass {\n /**\n * Constructs a new box blur pass.\n *\n * @param {Object} [options] - The options.\n * @param {Number} [options.kernelSize=5] - Must be an odd number. The sizes 3 and 5 use optimized code paths.\n * @param {Number} [options.iterations=1] - The amount of times the blur should be applied.\n * @param {Number} [options.bilateral=false] - Enables or disables bilateral blurring.\n * @param {Number} [options.resolutionScale=1.0] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n */\n constructor({\n kernelSize = 5,\n iterations = 1,\n bilateral = false,\n resolutionScale = 1,\n resolutionX = Resolution.AUTO_SIZE,\n resolutionY = Resolution.AUTO_SIZE\n } = {}) {\n super(\"BoxBlurPass\");\n this.needsDepthTexture = bilateral;\n this.renderTargetA = new WebGLRenderTarget20(1, 1, { depthBuffer: false });\n this.renderTargetA.texture.name = \"Blur.Target.A\";\n this.renderTargetB = new WebGLRenderTarget20(1, 1, { depthBuffer: false });\n this.renderTargetB.texture.name = \"Blur.Target.B\";\n this.blurMaterial = new BoxBlurMaterial({ bilateral, kernelSize });\n this.copyMaterial = new CopyMaterial();\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.iterations = iterations;\n }\n set mainCamera(value) {\n this.blurMaterial.copyCameraSettings(value);\n }\n /**\n * Sets the depth texture.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing strategy.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking16) {\n this.blurMaterial.depthBuffer = depthTexture;\n this.blurMaterial.depthPacking = depthPacking;\n }\n /**\n * Renders the blur.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const scene = this.scene;\n const camera = this.camera;\n const renderTargetA = this.renderTargetA;\n const renderTargetB = this.renderTargetB;\n const blurMaterial = this.blurMaterial;\n this.fullscreenMaterial = blurMaterial;\n let previousBuffer = inputBuffer;\n for (let i = 0, l = Math.max(this.iterations, 1); i < l; ++i) {\n const buffer = (i & 1) === 0 ? renderTargetA : renderTargetB;\n blurMaterial.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(buffer);\n renderer.render(scene, camera);\n previousBuffer = buffer;\n }\n this.copyMaterial.inputBuffer = previousBuffer.texture;\n this.fullscreenMaterial = this.copyMaterial;\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(scene, camera);\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.renderTargetA.setSize(w, h);\n this.renderTargetB.setSize(w, h);\n this.blurMaterial.setSize(width, height);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n if (renderer !== null) {\n this.blurMaterial.maxVaryingVectors = renderer.capabilities.maxVaryings;\n }\n if (frameBufferType !== void 0) {\n this.renderTargetA.texture.type = frameBufferType;\n this.renderTargetB.texture.type = frameBufferType;\n if (frameBufferType !== UnsignedByteType13) {\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace13) {\n this.renderTargetA.texture.colorSpace = SRGBColorSpace13;\n this.renderTargetB.texture.colorSpace = SRGBColorSpace13;\n }\n }\n }\n};\n\n// src/passes/DepthPickingPass.js\nimport { BasicDepthPacking as BasicDepthPacking18, FloatType as FloatType6, REVISION as REVISION5, RGBADepthPacking as RGBADepthPacking5 } from \"three\";\n\n// src/passes/DepthCopyPass.js\nimport {\n BasicDepthPacking as BasicDepthPacking17,\n FloatType as FloatType5,\n NearestFilter as NearestFilter7,\n RGBADepthPacking as RGBADepthPacking4,\n UnsignedByteType as UnsignedByteType14,\n WebGLRenderTarget as WebGLRenderTarget21\n} from \"three\";\nvar DepthCopyPass = class extends Pass {\n /**\n * Constructs a new depth save pass.\n *\n * @param {Object} [options] - The options.\n * @param {DepthPackingStrategies} [options.depthPacking=RGBADepthPacking] - The output depth packing.\n */\n constructor({ depthPacking = RGBADepthPacking4 } = {}) {\n super(\"DepthCopyPass\");\n const material = new DepthCopyMaterial();\n material.outputDepthPacking = depthPacking;\n this.fullscreenMaterial = material;\n this.needsDepthTexture = true;\n this.needsSwap = false;\n this.renderTarget = new WebGLRenderTarget21(1, 1, {\n type: depthPacking === RGBADepthPacking4 ? UnsignedByteType14 : FloatType5,\n minFilter: NearestFilter7,\n magFilter: NearestFilter7,\n depthBuffer: false\n });\n this.renderTarget.texture.name = \"DepthCopyPass.Target\";\n }\n /**\n * The output depth texture.\n *\n * @type {Texture}\n */\n get texture() {\n return this.renderTarget.texture;\n }\n /**\n * Returns the output depth texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.renderTarget.texture;\n }\n /**\n * The output depth packing.\n *\n * @type {DepthPackingStrategies}\n */\n get depthPacking() {\n return this.fullscreenMaterial.outputDepthPacking;\n }\n /**\n * Returns the output depth packing.\n *\n * @deprecated Use depthPacking instead.\n * @return {DepthPackingStrategies} The depth packing.\n */\n getDepthPacking() {\n return this.fullscreenMaterial.outputDepthPacking;\n }\n /**\n * Sets the depth texture.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking17) {\n this.fullscreenMaterial.depthBuffer = depthTexture;\n this.fullscreenMaterial.inputDepthPacking = depthPacking;\n }\n /**\n * Copies depth from a depth texture.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n renderer.setRenderTarget(this.renderToScreen ? null : this.renderTarget);\n renderer.render(this.scene, this.camera);\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.renderTarget.setSize(width, height);\n }\n};\n\n// src/passes/DepthPickingPass.js\nvar threeRevision = Number(REVISION5.replace(/\\D+/g, \"\"));\nvar unpackDownscale = 255 / 256;\nvar unpackFactorsLegacy = new Float32Array([\n unpackDownscale / 256 ** 3,\n unpackDownscale / 256 ** 2,\n unpackDownscale / 256,\n unpackDownscale\n]);\nvar unpackFactors = new Float32Array([\n unpackDownscale,\n unpackDownscale / 256,\n unpackDownscale / 256 ** 2,\n 1 / 256 ** 3\n]);\nfunction unpackRGBAToDepth(packedDepth) {\n const f = threeRevision >= 167 ? unpackFactors : unpackFactorsLegacy;\n return (packedDepth[0] * f[0] + packedDepth[1] * f[1] + packedDepth[2] * f[2] + packedDepth[3] * f[3]) / 255;\n}\nvar DepthPickingPass = class extends DepthCopyPass {\n /**\n * Constructs a new depth picking pass.\n *\n * @param {Object} [options] - The options.\n * @param {DepthPackingStrategies} [options.depthPacking=RGBADepthPacking] - The depth packing.\n * @param {Number} [options.mode=DepthCopyMode.SINGLE] - The depth copy mode.\n */\n constructor({ depthPacking = RGBADepthPacking5, mode = DepthCopyMode.SINGLE } = {}) {\n if (depthPacking !== RGBADepthPacking5 && depthPacking !== BasicDepthPacking18) {\n throw new Error(`Unsupported depth packing: ${depthPacking}`);\n }\n super({ depthPacking });\n this.name = \"DepthPickingPass\";\n this.fullscreenMaterial.mode = mode;\n this.pixelBuffer = depthPacking === RGBADepthPacking5 ? new Uint8Array(4) : new Float32Array(4);\n this.callback = null;\n }\n /**\n * Reads depth at a specific screen position.\n *\n * Only one depth value can be picked per frame. Calling this method multiple times per frame will overwrite the\n * picking coordinates. Unresolved promises will be abandoned.\n *\n * @example\n * const ndc = new Vector3();\n * const clientRect = myViewport.getBoundingClientRect();\n * const clientX = pointerEvent.clientX - clientRect.left;\n * const clientY = pointerEvent.clientY - clientRect.top;\n * ndc.x = (clientX / myViewport.clientWidth) * 2.0 - 1.0;\n * ndc.y = -(clientY / myViewport.clientHeight) * 2.0 + 1.0;\n * const depth = await depthPickingPass.readDepth(ndc);\n * ndc.z = depth * 2.0 - 1.0;\n *\n * const worldPosition = ndc.unproject(camera);\n *\n * @param {Vector2|Vector3} ndc - Normalized device coordinates. Only X and Y are relevant.\n * @return {Promise} A promise that returns the depth on the next frame.\n */\n readDepth(ndc) {\n this.fullscreenMaterial.texelPosition.set(ndc.x * 0.5 + 0.5, ndc.y * 0.5 + 0.5);\n return new Promise((resolve) => {\n this.callback = resolve;\n });\n }\n /**\n * Copies depth and resolves depth picking promises.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const material = this.fullscreenMaterial;\n const mode = material.mode;\n if (mode === DepthCopyMode.FULL) {\n super.render(renderer);\n }\n if (this.callback !== null) {\n const renderTarget = this.renderTarget;\n const pixelBuffer = this.pixelBuffer;\n const packed = renderTarget.texture.type !== FloatType6;\n let x = 0, y = 0;\n if (mode === DepthCopyMode.SINGLE) {\n super.render(renderer);\n } else {\n const texelPosition = material.texelPosition;\n x = Math.round(texelPosition.x * renderTarget.width);\n y = Math.round(texelPosition.y * renderTarget.height);\n }\n renderer.readRenderTargetPixels(renderTarget, x, y, 1, 1, pixelBuffer);\n this.callback(packed ? unpackRGBAToDepth(pixelBuffer) : pixelBuffer[0]);\n this.callback = null;\n }\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n if (this.fullscreenMaterial.mode === DepthCopyMode.FULL) {\n super.setSize(width, height);\n }\n }\n};\n\n// src/passes/EffectPass.js\nimport { BasicDepthPacking as BasicDepthPacking19, NoColorSpace as NoColorSpace2, SRGBColorSpace as SRGBColorSpace14, UnsignedByteType as UnsignedByteType15 } from \"three\";\nfunction prefixSubstrings(prefix, substrings, strings) {\n for (const substring of substrings) {\n const prefixed = \"$1\" + prefix + substring.charAt(0).toUpperCase() + substring.slice(1);\n const regExp = new RegExp(\"([^\\\\.])(\\\\b\" + substring + \"\\\\b)\", \"g\");\n for (const entry of strings.entries()) {\n if (entry[1] !== null) {\n strings.set(entry[0], entry[1].replace(regExp, prefixed));\n }\n }\n }\n}\nfunction integrateEffect(prefix, effect, data) {\n let fragmentShader = effect.getFragmentShader();\n let vertexShader = effect.getVertexShader();\n const mainImageExists = fragmentShader !== void 0 && /mainImage/.test(fragmentShader);\n const mainUvExists = fragmentShader !== void 0 && /mainUv/.test(fragmentShader);\n data.attributes |= effect.getAttributes();\n if (fragmentShader === void 0) {\n throw new Error(`Missing fragment shader (${effect.name})`);\n } else if (mainUvExists && (data.attributes & EffectAttribute.CONVOLUTION) !== 0) {\n throw new Error(`Effects that transform UVs are incompatible with convolution effects (${effect.name})`);\n } else if (!mainImageExists && !mainUvExists) {\n throw new Error(`Could not find mainImage or mainUv function (${effect.name})`);\n } else {\n const functionRegExp = /\\w+\\s+(\\w+)\\([\\w\\s,]*\\)\\s*{/g;\n const shaderParts = data.shaderParts;\n let fragmentHead = shaderParts.get(EffectShaderSection.FRAGMENT_HEAD) || \"\";\n let fragmentMainUv = shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_UV) || \"\";\n let fragmentMainImage = shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_IMAGE) || \"\";\n let vertexHead = shaderParts.get(EffectShaderSection.VERTEX_HEAD) || \"\";\n let vertexMainSupport = shaderParts.get(EffectShaderSection.VERTEX_MAIN_SUPPORT) || \"\";\n const varyings = /* @__PURE__ */ new Set();\n const names = /* @__PURE__ */ new Set();\n if (mainUvExists) {\n fragmentMainUv += `\t${prefix}MainUv(UV);\n`;\n data.uvTransformation = true;\n }\n if (vertexShader !== null && /mainSupport/.test(vertexShader)) {\n const needsUv = /mainSupport *\\([\\w\\s]*?uv\\s*?\\)/.test(vertexShader);\n vertexMainSupport += `\t${prefix}MainSupport(`;\n vertexMainSupport += needsUv ? \"vUv);\\n\" : \");\\n\";\n for (const m2 of vertexShader.matchAll(/(?:varying\\s+\\w+\\s+([\\S\\s]*?);)/g)) {\n for (const n of m2[1].split(/\\s*,\\s*/)) {\n data.varyings.add(n);\n varyings.add(n);\n names.add(n);\n }\n }\n for (const m2 of vertexShader.matchAll(functionRegExp)) {\n names.add(m2[1]);\n }\n }\n for (const m2 of fragmentShader.matchAll(functionRegExp)) {\n names.add(m2[1]);\n }\n for (const d of effect.defines.keys()) {\n names.add(d.replace(/\\([\\w\\s,]*\\)/g, \"\"));\n }\n for (const u of effect.uniforms.keys()) {\n names.add(u);\n }\n names.delete(\"while\");\n names.delete(\"for\");\n names.delete(\"if\");\n effect.uniforms.forEach((val, key) => data.uniforms.set(prefix + key.charAt(0).toUpperCase() + key.slice(1), val));\n effect.defines.forEach((val, key) => data.defines.set(prefix + key.charAt(0).toUpperCase() + key.slice(1), val));\n const shaders = /* @__PURE__ */ new Map([[\"fragment\", fragmentShader], [\"vertex\", vertexShader]]);\n prefixSubstrings(prefix, names, data.defines);\n prefixSubstrings(prefix, names, shaders);\n fragmentShader = shaders.get(\"fragment\");\n vertexShader = shaders.get(\"vertex\");\n const blendMode = effect.blendMode;\n data.blendModes.set(blendMode.blendFunction, blendMode);\n if (mainImageExists) {\n if (effect.inputColorSpace !== null && effect.inputColorSpace !== data.colorSpace) {\n fragmentMainImage += effect.inputColorSpace === SRGBColorSpace14 ? \"color0 = sRGBTransferOETF(color0);\\n\t\" : \"color0 = sRGBToLinear(color0);\\n\t\";\n }\n if (effect.outputColorSpace !== NoColorSpace2) {\n data.colorSpace = effect.outputColorSpace;\n } else if (effect.inputColorSpace !== null) {\n data.colorSpace = effect.inputColorSpace;\n }\n const depthParamRegExp = /MainImage *\\([\\w\\s,]*?depth[\\w\\s,]*?\\)/;\n fragmentMainImage += `${prefix}MainImage(color0, UV, `;\n if ((data.attributes & EffectAttribute.DEPTH) !== 0 && depthParamRegExp.test(fragmentShader)) {\n fragmentMainImage += \"depth, \";\n data.readDepth = true;\n }\n fragmentMainImage += \"color1);\\n\t\";\n const blendOpacity = prefix + \"BlendOpacity\";\n data.uniforms.set(blendOpacity, blendMode.opacity);\n fragmentMainImage += `color0 = blend${blendMode.blendFunction}(color0, color1, ${blendOpacity});\n\n\t`;\n fragmentHead += `uniform float ${blendOpacity};\n\n`;\n }\n fragmentHead += fragmentShader + \"\\n\";\n if (vertexShader !== null) {\n vertexHead += vertexShader + \"\\n\";\n }\n shaderParts.set(EffectShaderSection.FRAGMENT_HEAD, fragmentHead);\n shaderParts.set(EffectShaderSection.FRAGMENT_MAIN_UV, fragmentMainUv);\n shaderParts.set(EffectShaderSection.FRAGMENT_MAIN_IMAGE, fragmentMainImage);\n shaderParts.set(EffectShaderSection.VERTEX_HEAD, vertexHead);\n shaderParts.set(EffectShaderSection.VERTEX_MAIN_SUPPORT, vertexMainSupport);\n if (effect.extensions !== null) {\n for (const extension of effect.extensions) {\n data.extensions.add(extension);\n }\n }\n }\n}\nvar EffectPass = class extends Pass {\n /**\n * Constructs a new effect pass.\n *\n * @param {Camera} camera - The main camera.\n * @param {...Effect} effects - The effects that will be rendered by this pass.\n */\n constructor(camera, ...effects) {\n super(\"EffectPass\");\n this.fullscreenMaterial = new EffectMaterial(null, null, null, camera);\n this.listener = (event) => this.handleEvent(event);\n this.effects = [];\n this.setEffects(effects);\n this.skipRendering = false;\n this.minTime = 1;\n this.maxTime = Number.POSITIVE_INFINITY;\n this.timeScale = 1;\n }\n set mainScene(value) {\n for (const effect of this.effects) {\n effect.mainScene = value;\n }\n }\n set mainCamera(value) {\n this.fullscreenMaterial.copyCameraSettings(value);\n for (const effect of this.effects) {\n effect.mainCamera = value;\n }\n }\n /**\n * Indicates whether this pass encodes its output when rendering to screen.\n *\n * @type {Boolean}\n * @deprecated Use fullscreenMaterial.encodeOutput instead.\n */\n get encodeOutput() {\n return this.fullscreenMaterial.encodeOutput;\n }\n set encodeOutput(value) {\n this.fullscreenMaterial.encodeOutput = value;\n }\n /**\n * Indicates whether dithering is enabled.\n *\n * @type {Boolean}\n */\n get dithering() {\n return this.fullscreenMaterial.dithering;\n }\n set dithering(value) {\n const material = this.fullscreenMaterial;\n material.dithering = value;\n material.needsUpdate = true;\n }\n /**\n * Sets the effects.\n *\n * @param {Effect[]} effects - The effects.\n * @protected\n */\n setEffects(effects) {\n for (const effect of this.effects) {\n effect.removeEventListener(\"change\", this.listener);\n }\n this.effects = effects.sort((a, b) => b.attributes - a.attributes);\n for (const effect of this.effects) {\n effect.addEventListener(\"change\", this.listener);\n }\n }\n /**\n * Updates the compound shader material.\n *\n * @protected\n */\n updateMaterial() {\n const data = new EffectShaderData();\n let id = 0;\n for (const effect of this.effects) {\n if (effect.blendMode.blendFunction === BlendFunction.DST) {\n data.attributes |= effect.getAttributes() & EffectAttribute.DEPTH;\n } else if ((data.attributes & effect.getAttributes() & EffectAttribute.CONVOLUTION) !== 0) {\n throw new Error(`Convolution effects cannot be merged (${effect.name})`);\n } else {\n integrateEffect(\"e\" + id++, effect, data);\n }\n }\n let fragmentHead = data.shaderParts.get(EffectShaderSection.FRAGMENT_HEAD);\n let fragmentMainImage = data.shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_IMAGE);\n let fragmentMainUv = data.shaderParts.get(EffectShaderSection.FRAGMENT_MAIN_UV);\n const blendRegExp = /\\bblend\\b/g;\n for (const blendMode of data.blendModes.values()) {\n fragmentHead += blendMode.getShaderCode().replace(blendRegExp, `blend${blendMode.blendFunction}`) + \"\\n\";\n }\n if ((data.attributes & EffectAttribute.DEPTH) !== 0) {\n if (data.readDepth) {\n fragmentMainImage = \"float depth = readDepth(UV);\\n\\n\t\" + fragmentMainImage;\n }\n this.needsDepthTexture = this.getDepthTexture() === null;\n } else {\n this.needsDepthTexture = false;\n }\n if (data.colorSpace === SRGBColorSpace14) {\n fragmentMainImage += \"color0 = sRGBToLinear(color0);\\n\t\";\n }\n if (data.uvTransformation) {\n fragmentMainUv = \"vec2 transformedUv = vUv;\\n\" + fragmentMainUv;\n data.defines.set(\"UV\", \"transformedUv\");\n } else {\n data.defines.set(\"UV\", \"vUv\");\n }\n data.shaderParts.set(EffectShaderSection.FRAGMENT_HEAD, fragmentHead);\n data.shaderParts.set(EffectShaderSection.FRAGMENT_MAIN_IMAGE, fragmentMainImage);\n data.shaderParts.set(EffectShaderSection.FRAGMENT_MAIN_UV, fragmentMainUv);\n for (const [key, value] of data.shaderParts) {\n if (value !== null) {\n data.shaderParts.set(key, value.trim().replace(/^#/, \"\\n#\"));\n }\n }\n this.skipRendering = id === 0;\n this.needsSwap = !this.skipRendering;\n this.fullscreenMaterial.setShaderData(data);\n }\n /**\n * Rebuilds the shader material.\n */\n recompile() {\n this.updateMaterial();\n }\n /**\n * Returns the current depth texture.\n *\n * @return {Texture} The current depth texture, or null if there is none.\n */\n getDepthTexture() {\n return this.fullscreenMaterial.depthBuffer;\n }\n /**\n * Sets the depth texture.\n *\n * @param {Texture} depthTexture - A depth texture.\n * @param {DepthPackingStrategies} [depthPacking=BasicDepthPacking] - The depth packing.\n */\n setDepthTexture(depthTexture, depthPacking = BasicDepthPacking19) {\n this.fullscreenMaterial.depthBuffer = depthTexture;\n this.fullscreenMaterial.depthPacking = depthPacking;\n for (const effect of this.effects) {\n effect.setDepthTexture(depthTexture, depthPacking);\n }\n }\n /**\n * Renders the effect.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n for (const effect of this.effects) {\n effect.update(renderer, inputBuffer, deltaTime);\n }\n if (!this.skipRendering || this.renderToScreen) {\n const material = this.fullscreenMaterial;\n material.inputBuffer = inputBuffer.texture;\n material.time += deltaTime * this.timeScale;\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(this.scene, this.camera);\n }\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n this.fullscreenMaterial.setSize(width, height);\n for (const effect of this.effects) {\n effect.setSize(width, height);\n }\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n this.renderer = renderer;\n for (const effect of this.effects) {\n effect.initialize(renderer, alpha, frameBufferType);\n }\n this.updateMaterial();\n if (frameBufferType !== void 0 && frameBufferType !== UnsignedByteType15) {\n this.fullscreenMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n }\n }\n /**\n * Deletes disposable objects.\n */\n dispose() {\n super.dispose();\n for (const effect of this.effects) {\n effect.removeEventListener(\"change\", this.listener);\n effect.dispose();\n }\n }\n /**\n * Handles events.\n *\n * @param {Event} event - An event.\n */\n handleEvent(event) {\n switch (event.type) {\n case \"change\":\n this.recompile();\n break;\n }\n }\n};\n\n// src/passes/GaussianBlurPass.js\nimport { SRGBColorSpace as SRGBColorSpace15, UnsignedByteType as UnsignedByteType16, WebGLRenderTarget as WebGLRenderTarget22 } from \"three\";\nvar GaussianBlurPass = class extends Pass {\n /**\n * Constructs a new Gaussian blur pass.\n *\n * @param {Object} [options] - The options.\n * @param {Number} [options.kernelSize=35] - The kernel size. Should be an odd number in the range [3, 1020].\n * @param {Number} [options.iterations=1] - The amount of times the blur should be applied.\n * @param {Number} [options.resolutionScale=1.0] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n */\n constructor({\n kernelSize = 35,\n iterations = 1,\n resolutionScale = 1,\n resolutionX = Resolution.AUTO_SIZE,\n resolutionY = Resolution.AUTO_SIZE\n } = {}) {\n super(\"GaussianBlurPass\");\n this.renderTargetA = new WebGLRenderTarget22(1, 1, { depthBuffer: false });\n this.renderTargetA.texture.name = \"Blur.Target.A\";\n this.renderTargetB = this.renderTargetA.clone();\n this.renderTargetB.texture.name = \"Blur.Target.B\";\n this.blurMaterial = new GaussianBlurMaterial({ kernelSize });\n this.copyMaterial = new CopyMaterial();\n this.copyMaterial.inputBuffer = this.renderTargetB.texture;\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n this.iterations = iterations;\n }\n /**\n * Renders the blur.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const scene = this.scene;\n const camera = this.camera;\n const renderTargetA = this.renderTargetA;\n const renderTargetB = this.renderTargetB;\n const blurMaterial = this.blurMaterial;\n this.fullscreenMaterial = blurMaterial;\n let previousBuffer = inputBuffer;\n for (let i = 0, l = Math.max(this.iterations, 1); i < l; ++i) {\n blurMaterial.direction.set(1, 0);\n blurMaterial.inputBuffer = previousBuffer.texture;\n renderer.setRenderTarget(renderTargetA);\n renderer.render(scene, camera);\n blurMaterial.direction.set(0, 1);\n blurMaterial.inputBuffer = renderTargetA.texture;\n renderer.setRenderTarget(renderTargetB);\n renderer.render(scene, camera);\n if (i === 0 && l > 1) {\n previousBuffer = renderTargetB;\n }\n }\n this.fullscreenMaterial = this.copyMaterial;\n renderer.setRenderTarget(this.renderToScreen ? null : outputBuffer);\n renderer.render(scene, camera);\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n const w = resolution.width, h = resolution.height;\n this.renderTargetA.setSize(w, h);\n this.renderTargetB.setSize(w, h);\n this.blurMaterial.setSize(width, height);\n }\n /**\n * Performs initialization tasks.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {Boolean} alpha - Whether the renderer uses the alpha channel or not.\n * @param {Number} frameBufferType - The type of the main frame buffers.\n */\n initialize(renderer, alpha, frameBufferType) {\n if (frameBufferType !== void 0) {\n this.renderTargetA.texture.type = frameBufferType;\n this.renderTargetB.texture.type = frameBufferType;\n if (frameBufferType !== UnsignedByteType16) {\n this.blurMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n this.copyMaterial.defines.FRAMEBUFFER_PRECISION_HIGH = \"1\";\n } else if (renderer !== null && renderer.outputColorSpace === SRGBColorSpace15) {\n this.renderTargetA.texture.colorSpace = SRGBColorSpace15;\n this.renderTargetB.texture.colorSpace = SRGBColorSpace15;\n }\n }\n }\n};\n\n// src/passes/LambdaPass.js\nvar LambdaPass = class extends Pass {\n /**\n * Constructs a new lambda pass.\n *\n * @param {Function} f - A function.\n */\n constructor(f) {\n super(\"LambdaPass\", null, null);\n this.needsSwap = false;\n this.f = f;\n }\n /**\n * Executes the function.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n this.f();\n }\n};\n\n// src/passes/NormalPass.js\nimport { Color as Color9, MeshNormalMaterial, NearestFilter as NearestFilter8, WebGLRenderTarget as WebGLRenderTarget23 } from \"three\";\nvar NormalPass = class extends Pass {\n /**\n * Constructs a new normal pass.\n *\n * @param {Scene} scene - The scene to render.\n * @param {Camera} camera - The camera to use to render the scene.\n * @param {Object} [options] - The options.\n * @param {WebGLRenderTarget} [options.renderTarget] - A custom render target.\n * @param {Number} [options.resolutionScale=1.0] - The resolution scale.\n * @param {Number} [options.resolutionX=Resolution.AUTO_SIZE] - The horizontal resolution.\n * @param {Number} [options.resolutionY=Resolution.AUTO_SIZE] - The vertical resolution.\n * @param {Number} [options.width=Resolution.AUTO_SIZE] - Deprecated. Use resolutionX instead.\n * @param {Number} [options.height=Resolution.AUTO_SIZE] - Deprecated. Use resolutionY instead.\n */\n constructor(scene, camera, {\n renderTarget,\n resolutionScale = 1,\n width = Resolution.AUTO_SIZE,\n height = Resolution.AUTO_SIZE,\n resolutionX = width,\n resolutionY = height\n } = {}) {\n super(\"NormalPass\");\n this.needsSwap = false;\n this.renderPass = new RenderPass(scene, camera, new MeshNormalMaterial());\n const renderPass = this.renderPass;\n renderPass.ignoreBackground = true;\n renderPass.skipShadowMapUpdate = true;\n const clearPass = renderPass.getClearPass();\n clearPass.overrideClearColor = new Color9(7829503);\n clearPass.overrideClearAlpha = 1;\n this.renderTarget = renderTarget;\n if (this.renderTarget === void 0) {\n this.renderTarget = new WebGLRenderTarget23(1, 1, {\n minFilter: NearestFilter8,\n magFilter: NearestFilter8\n });\n this.renderTarget.texture.name = \"NormalPass.Target\";\n }\n const resolution = this.resolution = new Resolution(this, resolutionX, resolutionY, resolutionScale);\n resolution.addEventListener(\"change\", (e) => this.setSize(resolution.baseWidth, resolution.baseHeight));\n }\n set mainScene(value) {\n this.renderPass.mainScene = value;\n }\n set mainCamera(value) {\n this.renderPass.mainCamera = value;\n }\n /**\n * The normal texture.\n *\n * @type {Texture}\n */\n get texture() {\n return this.renderTarget.texture;\n }\n /**\n * The normal texture.\n *\n * @deprecated Use texture instead.\n * @return {Texture} The texture.\n */\n getTexture() {\n return this.renderTarget.texture;\n }\n /**\n * Returns the resolution settings.\n *\n * @deprecated Use resolution instead.\n * @return {Resolution} The resolution.\n */\n getResolution() {\n return this.resolution;\n }\n /**\n * Returns the current resolution scale.\n *\n * @return {Number} The resolution scale.\n * @deprecated Use resolution.preferredWidth or resolution.preferredHeight instead.\n */\n getResolutionScale() {\n return this.resolution.scale;\n }\n /**\n * Sets the resolution scale.\n *\n * @param {Number} scale - The new resolution scale.\n * @deprecated Use resolution.preferredWidth or resolution.preferredHeight instead.\n */\n setResolutionScale(scale) {\n this.resolution.scale = scale;\n }\n /**\n * Renders the scene normals.\n *\n * @param {WebGLRenderer} renderer - The renderer.\n * @param {WebGLRenderTarget} inputBuffer - A frame buffer that contains the result of the previous pass.\n * @param {WebGLRenderTarget} outputBuffer - A frame buffer that serves as the output render target unless this pass renders to screen.\n * @param {Number} [deltaTime] - The time between the last frame and the current one in seconds.\n * @param {Boolean} [stencilTest] - Indicates whether a stencil mask is active.\n */\n render(renderer, inputBuffer, outputBuffer, deltaTime, stencilTest) {\n const renderTarget = this.renderToScreen ? null : this.renderTarget;\n this.renderPass.render(renderer, renderTarget, renderTarget);\n }\n /**\n * Updates the size of this pass.\n *\n * @param {Number} width - The width.\n * @param {Number} height - The height.\n */\n setSize(width, height) {\n const resolution = this.resolution;\n resolution.setBaseSize(width, height);\n this.renderTarget.setSize(resolution.width, resolution.height);\n }\n};\n\n// src/textures/lut/TetrahedralUpscaler.js\nvar P = [\n new Float32Array(3),\n new Float32Array(3)\n];\nvar C = [\n new Float32Array(3),\n new Float32Array(3),\n new Float32Array(3),\n new Float32Array(3)\n];\nvar T = [\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([1, 0, 0]),\n new Float32Array([1, 1, 0]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([1, 0, 0]),\n new Float32Array([1, 0, 1]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([0, 0, 1]),\n new Float32Array([1, 0, 1]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([0, 1, 0]),\n new Float32Array([1, 1, 0]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([0, 1, 0]),\n new Float32Array([0, 1, 1]),\n new Float32Array([1, 1, 1])\n ],\n [\n new Float32Array([0, 0, 0]),\n new Float32Array([0, 0, 1]),\n new Float32Array([0, 1, 1]),\n new Float32Array([1, 1, 1])\n ]\n];\nfunction calculateTetrahedronVolume(a, b, c2, d) {\n const bcX = c2[0] - b[0];\n const bcY = c2[1] - b[1];\n const bcZ = c2[2] - b[2];\n const baX = a[0] - b[0];\n const baY = a[1] - b[1];\n const baZ = a[2] - b[2];\n const crossX = bcY * baZ - bcZ * baY;\n const crossY = bcZ * baX - bcX * baZ;\n const crossZ = bcX * baY - bcY * baX;\n const length = Math.sqrt(crossX * crossX + crossY * crossY + crossZ * crossZ);\n const triangleArea = length * 0.5;\n const normalX = crossX / length;\n const normalY = crossY / length;\n const normalZ = crossZ / length;\n const constant = -(a[0] * normalX + a[1] * normalY + a[2] * normalZ);\n const dot = d[0] * normalX + d[1] * normalY + d[2] * normalZ;\n const height = Math.abs(dot + constant);\n return height * triangleArea / 3;\n}\nfunction sample(data, size, x, y, z, color2) {\n const i4 = (x + y * size + z * size * size) * 4;\n color2[0] = data[i4 + 0];\n color2[1] = data[i4 + 1];\n color2[2] = data[i4 + 2];\n}\nfunction tetrahedralSample(data, size, u, v3, w, color2) {\n const px = u * (size - 1);\n const py = v3 * (size - 1);\n const pz = w * (size - 1);\n const minX = Math.floor(px);\n const minY = Math.floor(py);\n const minZ = Math.floor(pz);\n const maxX = Math.ceil(px);\n const maxY = Math.ceil(py);\n const maxZ = Math.ceil(pz);\n const su = px - minX;\n const sv = py - minY;\n const sw = pz - minZ;\n if (minX === px && minY === py && minZ === pz) {\n sample(data, size, px, py, pz, color2);\n } else {\n let vertices;\n if (su >= sv && sv >= sw) {\n vertices = T[0];\n } else if (su >= sw && sw >= sv) {\n vertices = T[1];\n } else if (sw >= su && su >= sv) {\n vertices = T[2];\n } else if (sv >= su && su >= sw) {\n vertices = T[3];\n } else if (sv >= sw && sw >= su) {\n vertices = T[4];\n } else if (sw >= sv && sv >= su) {\n vertices = T[5];\n }\n const [P0, P1, P2, P3] = vertices;\n const coords = P[0];\n coords[0] = su;\n coords[1] = sv;\n coords[2] = sw;\n const tmp = P[1];\n const diffX = maxX - minX;\n const diffY = maxY - minY;\n const diffZ = maxZ - minZ;\n tmp[0] = diffX * P0[0] + minX;\n tmp[1] = diffY * P0[1] + minY;\n tmp[2] = diffZ * P0[2] + minZ;\n sample(data, size, tmp[0], tmp[1], tmp[2], C[0]);\n tmp[0] = diffX * P1[0] + minX;\n tmp[1] = diffY * P1[1] + minY;\n tmp[2] = diffZ * P1[2] + minZ;\n sample(data, size, tmp[0], tmp[1], tmp[2], C[1]);\n tmp[0] = diffX * P2[0] + minX;\n tmp[1] = diffY * P2[1] + minY;\n tmp[2] = diffZ * P2[2] + minZ;\n sample(data, size, tmp[0], tmp[1], tmp[2], C[2]);\n tmp[0] = diffX * P3[0] + minX;\n tmp[1] = diffY * P3[1] + minY;\n tmp[2] = diffZ * P3[2] + minZ;\n sample(data, size, tmp[0], tmp[1], tmp[2], C[3]);\n const V0 = calculateTetrahedronVolume(P1, P2, P3, coords) * 6;\n const V1 = calculateTetrahedronVolume(P0, P2, P3, coords) * 6;\n const V2 = calculateTetrahedronVolume(P0, P1, P3, coords) * 6;\n const V3 = calculateTetrahedronVolume(P0, P1, P2, coords) * 6;\n C[0][0] *= V0;\n C[0][1] *= V0;\n C[0][2] *= V0;\n C[1][0] *= V1;\n C[1][1] *= V1;\n C[1][2] *= V1;\n C[2][0] *= V2;\n C[2][1] *= V2;\n C[2][2] *= V2;\n C[3][0] *= V3;\n C[3][1] *= V3;\n C[3][2] *= V3;\n color2[0] = C[0][0] + C[1][0] + C[2][0] + C[3][0];\n color2[1] = C[0][1] + C[1][1] + C[2][1] + C[3][1];\n color2[2] = C[0][2] + C[1][2] + C[2][2] + C[3][2];\n }\n}\nvar TetrahedralUpscaler = class {\n /**\n * Expands the given data to the target size.\n *\n * @param {TypedArray} data - The input RGBA data. Assumed to be cubic.\n * @param {Number} size - The target size.\n * @return {TypedArray} The new data.\n */\n static expand(data, size) {\n const originalSize = Math.cbrt(data.length / 4);\n const rgb = new Float32Array(3);\n const array = new data.constructor(size ** 3 * 4);\n const maxValue = data instanceof Uint8Array ? 255 : 1;\n const sizeSq = size ** 2;\n const s = 1 / (size - 1);\n for (let z = 0; z < size; ++z) {\n for (let y = 0; y < size; ++y) {\n for (let x = 0; x < size; ++x) {\n const u = x * s;\n const v3 = y * s;\n const w = z * s;\n const i4 = Math.round(x + y * size + z * sizeSq) * 4;\n tetrahedralSample(data, originalSize, u, v3, w, rgb);\n array[i4 + 0] = rgb[0];\n array[i4 + 1] = rgb[1];\n array[i4 + 2] = rgb[2];\n array[i4 + 3] = maxValue;\n }\n }\n }\n return array;\n }\n};\n\n// src/textures/smaa/SMAAAreaImageData.js\nvar area = [\n new Float32Array(2),\n new Float32Array(2)\n];\nvar ORTHOGONAL_SIZE = 16;\nvar DIAGONAL_SIZE = 20;\nvar DIAGONAL_SAMPLES = 30;\nvar SMOOTH_MAX_DISTANCE = 32;\nvar orthogonalSubsamplingOffsets = new Float32Array([\n 0,\n -0.25,\n 0.25,\n -0.125,\n 0.125,\n -0.375,\n 0.375\n]);\nvar diagonalSubsamplingOffsets = [\n new Float32Array([0, 0]),\n new Float32Array([0.25, -0.25]),\n new Float32Array([-0.25, 0.25]),\n new Float32Array([0.125, -0.125]),\n new Float32Array([-0.125, 0.125])\n];\nvar orthogonalEdges = [\n new Uint8Array([0, 0]),\n new Uint8Array([3, 0]),\n new Uint8Array([0, 3]),\n new Uint8Array([3, 3]),\n new Uint8Array([1, 0]),\n new Uint8Array([4, 0]),\n new Uint8Array([1, 3]),\n new Uint8Array([4, 3]),\n new Uint8Array([0, 1]),\n new Uint8Array([3, 1]),\n new Uint8Array([0, 4]),\n new Uint8Array([3, 4]),\n new Uint8Array([1, 1]),\n new Uint8Array([4, 1]),\n new Uint8Array([1, 4]),\n new Uint8Array([4, 4])\n];\nvar diagonalEdges = [\n new Uint8Array([0, 0]),\n new Uint8Array([1, 0]),\n new Uint8Array([0, 2]),\n new Uint8Array([1, 2]),\n new Uint8Array([2, 0]),\n new Uint8Array([3, 0]),\n new Uint8Array([2, 2]),\n new Uint8Array([3, 2]),\n new Uint8Array([0, 1]),\n new Uint8Array([1, 1]),\n new Uint8Array([0, 3]),\n new Uint8Array([1, 3]),\n new Uint8Array([2, 1]),\n new Uint8Array([3, 1]),\n new Uint8Array([2, 3]),\n new Uint8Array([3, 3])\n];\nfunction lerp(a, b, p) {\n return a + (b - a) * p;\n}\nfunction saturate(a) {\n return Math.min(Math.max(a, 0), 1);\n}\nfunction smoothArea(d) {\n const a1 = area[0];\n const a2 = area[1];\n const b1X = Math.sqrt(a1[0] * 2) * 0.5;\n const b1Y = Math.sqrt(a1[1] * 2) * 0.5;\n const b2X = Math.sqrt(a2[0] * 2) * 0.5;\n const b2Y = Math.sqrt(a2[1] * 2) * 0.5;\n const p = saturate(d / SMOOTH_MAX_DISTANCE);\n a1[0] = lerp(b1X, a1[0], p);\n a1[1] = lerp(b1Y, a1[1], p);\n a2[0] = lerp(b2X, a2[0], p);\n a2[1] = lerp(b2Y, a2[1], p);\n}\nfunction getOrthArea(p1X, p1Y, p2X, p2Y, x, result) {\n const dX = p2X - p1X;\n const dY = p2Y - p1Y;\n const x1 = x;\n const x2 = x + 1;\n const y1 = p1Y + dY * (x1 - p1X) / dX;\n const y2 = p1Y + dY * (x2 - p1X) / dX;\n if (x1 >= p1X && x1 < p2X || x2 > p1X && x2 <= p2X) {\n if (Math.sign(y1) === Math.sign(y2) || Math.abs(y1) < 1e-4 || Math.abs(y2) < 1e-4) {\n const a = (y1 + y2) / 2;\n if (a < 0) {\n result[0] = Math.abs(a);\n result[1] = 0;\n } else {\n result[0] = 0;\n result[1] = Math.abs(a);\n }\n } else {\n const t = -p1Y * dX / dY + p1X;\n const tInt = Math.trunc(t);\n const a1 = t > p1X ? y1 * (t - tInt) / 2 : 0;\n const a2 = t < p2X ? y2 * (1 - (t - tInt)) / 2 : 0;\n const a = Math.abs(a1) > Math.abs(a2) ? a1 : -a2;\n if (a < 0) {\n result[0] = Math.abs(a1);\n result[1] = Math.abs(a2);\n } else {\n result[0] = Math.abs(a2);\n result[1] = Math.abs(a1);\n }\n }\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n return result;\n}\nfunction getOrthAreaForPattern(pattern, left, right, offset, result) {\n const a1 = area[0];\n const a2 = area[1];\n const o1 = 0.5 + offset;\n const o2 = 0.5 + offset - 1;\n const d = left + right + 1;\n switch (pattern) {\n case 0: {\n result[0] = 0;\n result[1] = 0;\n break;\n }\n case 1: {\n if (left <= right) {\n getOrthArea(0, o2, d / 2, 0, left, result);\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n break;\n }\n case 2: {\n if (left >= right) {\n getOrthArea(d / 2, 0, d, o2, left, result);\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n break;\n }\n case 3: {\n getOrthArea(0, o2, d / 2, 0, left, a1);\n getOrthArea(d / 2, 0, d, o2, left, a2);\n smoothArea(d, area);\n result[0] = a1[0] + a2[0];\n result[1] = a1[1] + a2[1];\n break;\n }\n case 4: {\n if (left <= right) {\n getOrthArea(0, o1, d / 2, 0, left, result);\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n break;\n }\n case 5: {\n result[0] = 0;\n result[1] = 0;\n break;\n }\n case 6: {\n if (Math.abs(offset) > 0) {\n getOrthArea(0, o1, d, o2, left, a1);\n getOrthArea(0, o1, d / 2, 0, left, a2);\n getOrthArea(d / 2, 0, d, o2, left, result);\n a2[0] = a2[0] + result[0];\n a2[1] = a2[1] + result[1];\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n } else {\n getOrthArea(0, o1, d, o2, left, result);\n }\n break;\n }\n case 7: {\n getOrthArea(0, o1, d, o2, left, result);\n break;\n }\n case 8: {\n if (left >= right) {\n getOrthArea(d / 2, 0, d, o1, left, result);\n } else {\n result[0] = 0;\n result[1] = 0;\n }\n break;\n }\n case 9: {\n if (Math.abs(offset) > 0) {\n getOrthArea(0, o2, d, o1, left, a1);\n getOrthArea(0, o2, d / 2, 0, left, a2);\n getOrthArea(d / 2, 0, d, o1, left, result);\n a2[0] = a2[0] + result[0];\n a2[1] = a2[1] + result[1];\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n } else {\n getOrthArea(0, o2, d, o1, left, result);\n }\n break;\n }\n case 10: {\n result[0] = 0;\n result[1] = 0;\n break;\n }\n case 11: {\n getOrthArea(0, o2, d, o1, left, result);\n break;\n }\n case 12: {\n getOrthArea(0, o1, d / 2, 0, left, a1);\n getOrthArea(d / 2, 0, d, o1, left, a2);\n smoothArea(d, area);\n result[0] = a1[0] + a2[0];\n result[1] = a1[1] + a2[1];\n break;\n }\n case 13: {\n getOrthArea(0, o2, d, o1, left, result);\n break;\n }\n case 14: {\n getOrthArea(0, o1, d, o2, left, result);\n break;\n }\n case 15: {\n result[0] = 0;\n result[1] = 0;\n break;\n }\n }\n return result;\n}\nfunction isInsideArea(a1X, a1Y, a2X, a2Y, x, y) {\n let result = a1X === a2X && a1Y === a2Y;\n if (!result) {\n const xm = (a1X + a2X) / 2;\n const ym = (a1Y + a2Y) / 2;\n const a = a2Y - a1Y;\n const b = a1X - a2X;\n const c2 = a * (x - xm) + b * (y - ym);\n result = c2 > 0;\n }\n return result;\n}\nfunction getDiagAreaForPixel(a1X, a1Y, a2X, a2Y, pX, pY) {\n let n = 0;\n for (let y = 0; y < DIAGONAL_SAMPLES; ++y) {\n for (let x = 0; x < DIAGONAL_SAMPLES; ++x) {\n const offsetX = x / (DIAGONAL_SAMPLES - 1);\n const offsetY = y / (DIAGONAL_SAMPLES - 1);\n if (isInsideArea(a1X, a1Y, a2X, a2Y, pX + offsetX, pY + offsetY)) {\n ++n;\n }\n }\n }\n return n / (DIAGONAL_SAMPLES * DIAGONAL_SAMPLES);\n}\nfunction getDiagArea(pattern, a1X, a1Y, a2X, a2Y, left, offset, result) {\n const e = diagonalEdges[pattern];\n const e1 = e[0];\n const e2 = e[1];\n if (e1 > 0) {\n a1X += offset[0];\n a1Y += offset[1];\n }\n if (e2 > 0) {\n a2X += offset[0];\n a2Y += offset[1];\n }\n result[0] = 1 - getDiagAreaForPixel(a1X, a1Y, a2X, a2Y, 1 + left, 0 + left);\n result[1] = getDiagAreaForPixel(a1X, a1Y, a2X, a2Y, 1 + left, 1 + left);\n return result;\n}\nfunction getDiagAreaForPattern(pattern, left, right, offset, result) {\n const a1 = area[0];\n const a2 = area[1];\n const d = left + right + 1;\n switch (pattern) {\n case 0: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 1: {\n getDiagArea(pattern, 1, 0, 0 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 2: {\n getDiagArea(pattern, 0, 0, 1 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 3: {\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, result);\n break;\n }\n case 4: {\n getDiagArea(pattern, 1, 1, 0 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 5: {\n getDiagArea(pattern, 1, 1, 0 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 6: {\n getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, result);\n break;\n }\n case 7: {\n getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 8: {\n getDiagArea(pattern, 0, 0, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 9: {\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, result);\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, result);\n break;\n }\n case 10: {\n getDiagArea(pattern, 0, 0, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 11: {\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 12: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, result);\n break;\n }\n case 13: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 1 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 14: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 1, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n case 15: {\n getDiagArea(pattern, 1, 1, 1 + d, 1 + d, left, offset, a1);\n getDiagArea(pattern, 1, 0, 1 + d, 0 + d, left, offset, a2);\n result[0] = (a1[0] + a2[0]) / 2;\n result[1] = (a1[1] + a2[1]) / 2;\n break;\n }\n }\n return result;\n}\nfunction generatePatterns(patterns, offset, orthogonal) {\n const result = new Float32Array(2);\n for (let i = 0, l = patterns.length; i < l; ++i) {\n const pattern = patterns[i];\n const data = pattern.data;\n const size = pattern.width;\n for (let y = 0; y < size; ++y) {\n for (let x = 0; x < size; ++x) {\n if (orthogonal) {\n getOrthAreaForPattern(i, x, y, offset, result);\n } else {\n getDiagAreaForPattern(i, x, y, offset, result);\n }\n const c2 = (y * size + x) * 2;\n data[c2] = result[0] * 255;\n data[c2 + 1] = result[1] * 255;\n }\n }\n }\n}\nfunction assemble(baseX, baseY, patterns, edges2, size, orthogonal, target) {\n const dstData = target.data;\n const dstWidth = target.width;\n for (let i = 0, l = patterns.length; i < l; ++i) {\n const edge = edges2[i];\n const pattern = patterns[i];\n const srcData = pattern.data;\n const srcWidth = pattern.width;\n for (let y = 0; y < size; ++y) {\n for (let x = 0; x < size; ++x) {\n const pX = edge[0] * size + baseX + x;\n const pY = edge[1] * size + baseY + y;\n const c2 = (pY * dstWidth + pX) * 4;\n const d = orthogonal ? (y * y * srcWidth + x * x) * 2 : (y * srcWidth + x) * 2;\n dstData[c2] = srcData[d];\n dstData[c2 + 1] = srcData[d + 1];\n dstData[c2 + 2] = 0;\n dstData[c2 + 3] = 255;\n }\n }\n }\n}\nvar SMAAAreaImageData = class {\n /**\n * Creates a new area image.\n *\n * @return {RawImageData} The generated image data.\n */\n static generate() {\n const width = 2 * 5 * ORTHOGONAL_SIZE;\n const height = orthogonalSubsamplingOffsets.length * 5 * ORTHOGONAL_SIZE;\n const data = new Uint8ClampedArray(width * height * 4);\n const result = new RawImageData(width, height, data);\n const orthPatternSize = Math.pow(ORTHOGONAL_SIZE - 1, 2) + 1;\n const diagPatternSize = DIAGONAL_SIZE;\n const orthogonalPatterns = [];\n const diagonalPatterns = [];\n for (let i = 3, l = data.length; i < l; i += 4) {\n data[i] = 255;\n }\n for (let i = 0; i < 16; ++i) {\n orthogonalPatterns.push(new RawImageData(\n orthPatternSize,\n orthPatternSize,\n new Uint8ClampedArray(orthPatternSize * orthPatternSize * 2),\n 2\n ));\n diagonalPatterns.push(new RawImageData(\n diagPatternSize,\n diagPatternSize,\n new Uint8ClampedArray(diagPatternSize * diagPatternSize * 2),\n 2\n ));\n }\n for (let i = 0, l = orthogonalSubsamplingOffsets.length; i < l; ++i) {\n generatePatterns(orthogonalPatterns, orthogonalSubsamplingOffsets[i], true);\n assemble(\n 0,\n 5 * ORTHOGONAL_SIZE * i,\n orthogonalPatterns,\n orthogonalEdges,\n ORTHOGONAL_SIZE,\n true,\n result\n );\n }\n for (let i = 0, l = diagonalSubsamplingOffsets.length; i < l; ++i) {\n generatePatterns(diagonalPatterns, diagonalSubsamplingOffsets[i], false);\n assemble(\n 5 * ORTHOGONAL_SIZE,\n 4 * DIAGONAL_SIZE * i,\n diagonalPatterns,\n diagonalEdges,\n DIAGONAL_SIZE,\n false,\n result\n );\n }\n return result;\n }\n};\n\n// src/textures/smaa/SMAAImageGenerator.js\nimport { LoadingManager as LoadingManager5 } from \"three\";\n\n// tmp/smaa/worker.txt\nvar worker_default2 = '\"use strict\";(()=>{function q(t,a,s){let e=document.createElement(\"canvas\"),n=e.getContext(\"2d\");if(e.width=t,e.height=a,s instanceof Image)n.drawImage(s,0,0);else{let r=n.createImageData(t,a);r.data.set(s),n.putImageData(r,0,0)}return e}var F=class t{constructor(a=0,s=0,e=null){this.width=a,this.height=s,this.data=e}toCanvas(){return typeof document==\"undefined\"?null:q(this.width,this.height,this.data)}static from(a){let{width:s,height:e}=a,n;if(a instanceof Image){let r=q(s,e,a);r!==null&&(n=r.getContext(\"2d\").getImageData(0,0,s,e).data)}else n=a.data;return new t(s,e,n)}};var M=[new Float32Array(2),new Float32Array(2)],D=16,W=20,I=30,j=32,v=new Float32Array([0,-.25,.25,-.125,.125,-.375,.375]),N=[new Float32Array([0,0]),new Float32Array([.25,-.25]),new Float32Array([-.25,.25]),new Float32Array([.125,-.125]),new Float32Array([-.125,.125])],z=[new Uint8Array([0,0]),new Uint8Array([3,0]),new Uint8Array([0,3]),new Uint8Array([3,3]),new Uint8Array([1,0]),new Uint8Array([4,0]),new Uint8Array([1,3]),new Uint8Array([4,3]),new Uint8Array([0,1]),new Uint8Array([3,1]),new Uint8Array([0,4]),new Uint8Array([3,4]),new Uint8Array([1,1]),new Uint8Array([4,1]),new Uint8Array([1,4]),new Uint8Array([4,4])],p=[new Uint8Array([0,0]),new Uint8Array([1,0]),new Uint8Array([0,2]),new Uint8Array([1,2]),new Uint8Array([2,0]),new Uint8Array([3,0]),new Uint8Array([2,2]),new Uint8Array([3,2]),new Uint8Array([0,1]),new Uint8Array([1,1]),new Uint8Array([0,3]),new Uint8Array([1,3]),new Uint8Array([2,1]),new Uint8Array([3,1]),new Uint8Array([2,3]),new Uint8Array([3,3])];function C(t,a,s){return t+(a-t)*s}function B(t){return Math.min(Math.max(t,0),1)}function _(t){let a=M[0],s=M[1],e=Math.sqrt(a[0]*2)*.5,n=Math.sqrt(a[1]*2)*.5,r=Math.sqrt(s[0]*2)*.5,o=Math.sqrt(s[1]*2)*.5,c=B(t/j);a[0]=C(e,a[0],c),a[1]=C(n,a[1],c),s[0]=C(r,s[0],c),s[1]=C(o,s[1],c)}function d(t,a,s,e,n,r){let o=s-t,c=e-a,h=n,i=n+1,w=a+c*(h-t)/o,b=a+c*(i-t)/o;if(h>=t&&ht&&i<=s)if(Math.sign(w)===Math.sign(b)||Math.abs(w)<1e-4||Math.abs(b)<1e-4){let g=(w+b)/2;g<0?(r[0]=Math.abs(g),r[1]=0):(r[0]=0,r[1]=Math.abs(g))}else{let g=-a*o/c+t,k=Math.trunc(g),m=g>t?w*(g-k)/2:0,U=gMath.abs(U)?m:-U)<0?(r[0]=Math.abs(m),r[1]=Math.abs(U)):(r[0]=Math.abs(U),r[1]=Math.abs(m))}else r[0]=0,r[1]=0;return r}function J(t,a,s,e,n){let r=M[0],o=M[1],c=.5+e,h=.5+e-1,i=a+s+1;switch(t){case 0:{n[0]=0,n[1]=0;break}case 1:{a<=s?d(0,h,i/2,0,a,n):(n[0]=0,n[1]=0);break}case 2:{a>=s?d(i/2,0,i,h,a,n):(n[0]=0,n[1]=0);break}case 3:{d(0,h,i/2,0,a,r),d(i/2,0,i,h,a,o),_(i,M),n[0]=r[0]+o[0],n[1]=r[1]+o[1];break}case 4:{a<=s?d(0,c,i/2,0,a,n):(n[0]=0,n[1]=0);break}case 5:{n[0]=0,n[1]=0;break}case 6:{Math.abs(e)>0?(d(0,c,i,h,a,r),d(0,c,i/2,0,a,o),d(i/2,0,i,h,a,n),o[0]=o[0]+n[0],o[1]=o[1]+n[1],n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2):d(0,c,i,h,a,n);break}case 7:{d(0,c,i,h,a,n);break}case 8:{a>=s?d(i/2,0,i,c,a,n):(n[0]=0,n[1]=0);break}case 9:{Math.abs(e)>0?(d(0,h,i,c,a,r),d(0,h,i/2,0,a,o),d(i/2,0,i,c,a,n),o[0]=o[0]+n[0],o[1]=o[1]+n[1],n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2):d(0,h,i,c,a,n);break}case 10:{n[0]=0,n[1]=0;break}case 11:{d(0,h,i,c,a,n);break}case 12:{d(0,c,i/2,0,a,r),d(i/2,0,i,c,a,o),_(i,M),n[0]=r[0]+o[0],n[1]=r[1]+o[1];break}case 13:{d(0,h,i,c,a,n);break}case 14:{d(0,c,i,h,a,n);break}case 15:{n[0]=0,n[1]=0;break}}return n}function K(t,a,s,e,n,r){let o=t===s&&a===e;if(!o){let c=(t+s)/2,h=(a+e)/2,i=e-a,w=t-s;o=i*(n-c)+w*(r-h)>0}return o}function G(t,a,s,e,n,r){let o=0;for(let c=0;c0&&(a+=o[0],s+=o[1]),w>0&&(e+=o[0],n+=o[1]),c[0]=1-G(a,s,e,n,1+r,0+r),c[1]=G(a,s,e,n,1+r,1+r),c}function Q(t,a,s,e,n){let r=M[0],o=M[1],c=a+s+1;switch(t){case 0:{A(t,1,1,1+c,1+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 1:{A(t,1,0,0+c,0+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 2:{A(t,0,0,1+c,0+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 3:{A(t,1,0,1+c,0+c,a,e,n);break}case 4:{A(t,1,1,0+c,0+c,a,e,r),A(t,1,1,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 5:{A(t,1,1,0+c,0+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 6:{A(t,1,1,1+c,0+c,a,e,n);break}case 7:{A(t,1,1,1+c,0+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 8:{A(t,0,0,1+c,1+c,a,e,r),A(t,1,0,1+c,1+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 9:{A(t,1,0,1+c,1+c,a,e,n),A(t,1,0,1+c,1+c,a,e,n);break}case 10:{A(t,0,0,1+c,1+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 11:{A(t,1,0,1+c,1+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 12:{A(t,1,1,1+c,1+c,a,e,n);break}case 13:{A(t,1,1,1+c,1+c,a,e,r),A(t,1,0,1+c,1+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 14:{A(t,1,1,1+c,1+c,a,e,r),A(t,1,1,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}case 15:{A(t,1,1,1+c,1+c,a,e,r),A(t,1,0,1+c,0+c,a,e,o),n[0]=(r[0]+o[0])/2,n[1]=(r[1]+o[1])/2;break}}return n}function R(t,a,s){let e=new Float32Array(2);for(let n=0,r=t.length;n{let a=S.generate(),s=E.generate();postMessage({areaImageData:a,searchImageData:s},[a.data.buffer,s.data.buffer]),close()});})();\\n';\n\n// src/textures/smaa/SMAAImageGenerator.js\nfunction generate(useCache = true) {\n const workerURL = URL.createObjectURL(new Blob([worker_default2], {\n type: \"text/javascript\"\n }));\n const worker = new Worker(workerURL);\n URL.revokeObjectURL(workerURL);\n return new Promise((resolve, reject) => {\n worker.addEventListener(\"error\", (event) => reject(event.error));\n worker.addEventListener(\"message\", (event) => {\n const searchImageData = RawImageData.from(event.data.searchImageData);\n const areaImageData = RawImageData.from(event.data.areaImageData);\n const urls = [\n searchImageData.toCanvas().toDataURL(\"image/png\", 1),\n areaImageData.toCanvas().toDataURL(\"image/png\", 1)\n ];\n if (useCache) {\n localStorage.setItem(\"smaa-search\", urls[0]);\n localStorage.setItem(\"smaa-area\", urls[1]);\n }\n resolve(urls);\n });\n worker.postMessage(null);\n });\n}\nvar SMAAImageGenerator = class {\n /**\n * Constructs a new SMAA image generator.\n */\n constructor() {\n this.disableCache = false;\n }\n /**\n * Enables or disables caching via localStorage.\n *\n * @param {Boolean} value - Whether the cache should be enabled.\n */\n setCacheEnabled(value) {\n this.disableCache = !value;\n }\n /**\n * Generates the SMAA data images.\n *\n * @example\n * SMAAImageGenerator.generate().then(([search, area]) => {\n * const smaaEffect = new SMAAEffect(search, area);\n * });\n * @return {Promise} A promise that returns the search image and area image as a pair.\n */\n generate() {\n const useCache = !this.disableCache && window.localStorage !== void 0;\n const cachedURLs = useCache ? [\n localStorage.getItem(\"smaa-search\"),\n localStorage.getItem(\"smaa-area\")\n ] : [null, null];\n const promise = cachedURLs[0] !== null && cachedURLs[1] !== null ? Promise.resolve(cachedURLs) : generate(useCache);\n return promise.then((urls) => {\n return new Promise((resolve, reject) => {\n const searchImage = new Image();\n const areaImage = new Image();\n const manager = new LoadingManager5();\n manager.onLoad = () => resolve([searchImage, areaImage]);\n manager.onError = reject;\n searchImage.addEventListener(\"error\", (e) => manager.itemError(\"smaa-search\"));\n areaImage.addEventListener(\"error\", (e) => manager.itemError(\"smaa-area\"));\n searchImage.addEventListener(\"load\", () => manager.itemEnd(\"smaa-search\"));\n areaImage.addEventListener(\"load\", () => manager.itemEnd(\"smaa-area\"));\n manager.itemStart(\"smaa-search\");\n manager.itemStart(\"smaa-area\");\n searchImage.src = urls[0];\n areaImage.src = urls[1];\n });\n });\n }\n};\n\n// src/textures/smaa/SMAASearchImageData.js\nvar edges = /* @__PURE__ */ new Map([\n [bilinear(0, 0, 0, 0), new Float32Array([0, 0, 0, 0])],\n [bilinear(0, 0, 0, 1), new Float32Array([0, 0, 0, 1])],\n [bilinear(0, 0, 1, 0), new Float32Array([0, 0, 1, 0])],\n [bilinear(0, 0, 1, 1), new Float32Array([0, 0, 1, 1])],\n [bilinear(0, 1, 0, 0), new Float32Array([0, 1, 0, 0])],\n [bilinear(0, 1, 0, 1), new Float32Array([0, 1, 0, 1])],\n [bilinear(0, 1, 1, 0), new Float32Array([0, 1, 1, 0])],\n [bilinear(0, 1, 1, 1), new Float32Array([0, 1, 1, 1])],\n [bilinear(1, 0, 0, 0), new Float32Array([1, 0, 0, 0])],\n [bilinear(1, 0, 0, 1), new Float32Array([1, 0, 0, 1])],\n [bilinear(1, 0, 1, 0), new Float32Array([1, 0, 1, 0])],\n [bilinear(1, 0, 1, 1), new Float32Array([1, 0, 1, 1])],\n [bilinear(1, 1, 0, 0), new Float32Array([1, 1, 0, 0])],\n [bilinear(1, 1, 0, 1), new Float32Array([1, 1, 0, 1])],\n [bilinear(1, 1, 1, 0), new Float32Array([1, 1, 1, 0])],\n [bilinear(1, 1, 1, 1), new Float32Array([1, 1, 1, 1])]\n]);\nfunction lerp2(a, b, p) {\n return a + (b - a) * p;\n}\nfunction bilinear(e0, e1, e2, e3) {\n const a = lerp2(e0, e1, 1 - 0.25);\n const b = lerp2(e2, e3, 1 - 0.25);\n return lerp2(a, b, 1 - 0.125);\n}\nfunction deltaLeft(left, top) {\n let d = 0;\n if (top[3] === 1) {\n d += 1;\n }\n if (d === 1 && top[2] === 1 && left[1] !== 1 && left[3] !== 1) {\n d += 1;\n }\n return d;\n}\nfunction deltaRight(left, top) {\n let d = 0;\n if (top[3] === 1 && left[1] !== 1 && left[3] !== 1) {\n d += 1;\n }\n if (d === 1 && top[2] === 1 && left[0] !== 1 && left[2] !== 1) {\n d += 1;\n }\n return d;\n}\nvar SMAASearchImageData = class {\n /**\n * Creates a new search image.\n *\n * @return {RawImageData} The generated image data.\n */\n static generate() {\n const width = 66;\n const height = 33;\n const halfWidth = width / 2;\n const croppedWidth = 64;\n const croppedHeight = 16;\n const data = new Uint8ClampedArray(width * height);\n const croppedData = new Uint8ClampedArray(croppedWidth * croppedHeight * 4);\n for (let y = 0; y < height; ++y) {\n for (let x = 0; x < width; ++x) {\n const s = 0.03125 * x;\n const t = 0.03125 * y;\n if (edges.has(s) && edges.has(t)) {\n const e1 = edges.get(s);\n const e2 = edges.get(t);\n const i = y * width + x;\n data[i] = 127 * deltaLeft(e1, e2);\n data[i + halfWidth] = 127 * deltaRight(e1, e2);\n }\n }\n }\n for (let i = 0, y = height - croppedHeight; y < height; ++y) {\n for (let x = 0; x < croppedWidth; ++x, i += 4) {\n croppedData[i] = data[y * width + x];\n croppedData[i + 3] = 255;\n }\n }\n return new RawImageData(croppedWidth, croppedHeight, croppedData);\n }\n};\nexport {\n AdaptiveLuminanceMaterial,\n AdaptiveLuminancePass,\n BlendFunction,\n BlendMode,\n BloomEffect,\n KawaseBlurPass as BlurPass,\n BokehEffect,\n BokehMaterial,\n BoxBlurMaterial,\n BoxBlurPass,\n BrightnessContrastEffect,\n ChromaticAberrationEffect,\n CircleOfConfusionMaterial,\n ClearMaskPass,\n ClearPass,\n ColorAverageEffect,\n ColorChannel,\n ColorDepthEffect,\n EdgeDetectionMaterial as ColorEdgesMaterial,\n KawaseBlurMaterial as ConvolutionMaterial,\n CopyMaterial,\n CopyPass,\n DepthComparisonMaterial,\n DepthCopyMaterial,\n DepthCopyMode,\n DepthCopyPass,\n DepthDownsamplingMaterial,\n DepthDownsamplingPass,\n DepthEffect,\n DepthMaskMaterial,\n DepthOfFieldEffect,\n DepthPass,\n DepthPickingPass,\n DepthCopyPass as DepthSavePass,\n DepthTestStrategy,\n Disposable,\n DotScreenEffect,\n DownsamplingMaterial,\n EdgeDetectionMaterial,\n EdgeDetectionMode,\n Effect,\n EffectAttribute,\n EffectComposer,\n EffectMaterial,\n EffectPass,\n EffectShaderData,\n EffectShaderSection,\n FXAAEffect,\n GammaCorrectionEffect,\n GaussKernel,\n GaussianBlurMaterial,\n GaussianBlurPass,\n GlitchEffect,\n GlitchMode,\n GodRaysEffect,\n GodRaysMaterial,\n GridEffect,\n HueSaturationEffect,\n ImmutableTimer,\n Initializable,\n KawaseBlurMaterial,\n KawaseBlurPass,\n KernelSize,\n LUT1DEffect,\n LUT3DEffect,\n LUT3dlLoader,\n LUTCubeLoader,\n LUT3DEffect as LUTEffect,\n LUTOperation,\n LambdaPass,\n LensDistortionEffect,\n LookupTexture,\n LookupTexture as LookupTexture3D,\n LuminanceMaterial,\n LuminancePass,\n MaskFunction,\n MaskMaterial,\n MaskPass,\n MipmapBlurPass,\n NoiseEffect,\n NoiseTexture,\n NormalPass,\n OutlineMaterial as OutlineEdgesMaterial,\n OutlineEffect,\n OutlineMaterial,\n OverrideMaterialManager,\n Pass,\n PixelationEffect,\n PredicationMode,\n RawImageData,\n RealisticBokehEffect,\n RenderPass,\n Resizable,\n Resolution as Resizer,\n Resolution,\n SMAAAreaImageData,\n SMAAEffect,\n SMAAImageGenerator,\n SMAAImageLoader,\n SMAAPreset,\n SMAASearchImageData,\n SMAAWeightsMaterial,\n SSAOEffect,\n SSAOMaterial,\n CopyPass as SavePass,\n ScanlineEffect,\n EffectShaderSection as Section,\n Selection,\n SelectiveBloomEffect,\n SepiaEffect,\n ShaderPass,\n ShockWaveEffect,\n TetrahedralUpscaler,\n TextureEffect,\n TiltShiftBlurMaterial,\n TiltShiftBlurPass,\n TiltShiftEffect,\n Timer,\n ToneMappingEffect,\n ToneMappingMode,\n UpsamplingMaterial,\n VignetteEffect,\n VignetteTechnique,\n WebGLExtension,\n version\n};\n", "import { getScaleFactor } from './Scale';\n\n/**\n * @ignore\n */\nexport function getOrbitShaderFragment() {\n return `\n uniform sampler2D tex;\n\n in vec3 vColor;\n\n void main() {\n gl_FragColor = vec4(vColor, 1.0) * texture(tex, gl_PointCoord);\n }\n `;\n}\n\n/**\n * @ignore\n */\nexport function getOrbitShaderVertex() {\n return `\n in vec3 fuzzColor;\n in vec3 origin;\n \n in float visible;\n in float size;\n\n in float a;\n in float e;\n in float i;\n in float om;\n in float wBar;\n in float M;\n\n // Perihelion distance\n in float q;\n\n // CPU-computed term for parabolic orbits\n in float a0;\n\n out vec3 vColor;\n\n // Cube root helper that assumes param is positive\n float cbrt(float x) {\n return exp(log(x) / 3.0);\n }\n\n vec3 getPosNearParabolic() {\n // See https://stjarnhimlen.se/comp/ppcomp.html#17\n float b = sqrt(1.0 + a0 * a0);\n float W = cbrt(b + a0) - cbrt(b - a0);\n float f = (1.0 - e) / (1.0 + e);\n\n float a1 = 2.0 / 3.0 + (2.0 / 5.0) * W * W;\n float a2 = 7.0 / 5.0 + (33.0 / 35.0) * W * W + (37.0 / 175.0) * pow(W, 4.0);\n float a3 =\n W * W * (432.0 / 175.0 + (956.0 / 1125.0) * W * W + (84.0 / 1575.0) * pow(W, 4.0));\n\n float C = (W * W) / (1.0 + W * W);\n float g = f * C * C;\n float w = W * (1.0 + f * C * (a1 + a2 * g + a3 * g * g));\n\n // True anomaly\n float v = 2.0 * atan(w);\n // Heliocentric distance\n float r = (q * (1.0 + w * w)) / (1.0 + w * w * f);\n\n // Compute heliocentric coords.\n float i_rad = i;\n float o_rad = om;\n float p_rad = wBar;\n float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n return vec3(X, Y, Z);\n }\n\n vec3 getPosHyperbolic() {\n float F0 = M;\n for (int count = 0; count < 100; count++) {\n float F1 = (M + e * (F0 * cosh(F0) - sinh(F0))) / (e * cosh(F0) - 1.0);\n float lastdiff = abs(F1 - F0);\n F0 = F1;\n\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n float F = F0;\n\n float v = 2.0 * atan(sqrt((e + 1.0) / (e - 1.0))) * tanh(F / 2.0);\n float r = ${getScaleFactor().toFixed(\n 1,\n )} * (a * (1.0 - e * e)) / (1.0 + e * cos(v));\n\n // Compute heliocentric coords.\n float i_rad = i;\n float o_rad = om;\n float p_rad = wBar;\n float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n return vec3(X, Y, Z);\n }\n\n vec3 getPosEllipsoid() {\n float i_rad = i;\n float o_rad = om;\n float p_rad = wBar;\n\n // Estimate eccentric and true anom using iterative approximation (this\n // is normally an intergral).\n float E0 = M;\n float E1 = M + e * sin(E0);\n float lastdiff = abs(E1-E0);\n E0 = E1;\n\n for (int count = 0; count < 100; count++) {\n E1 = M + e * sin(E0);\n lastdiff = abs(E1-E0);\n E0 = E1;\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n\n float E = E0;\n float v = 2.0 * atan(sqrt((1.0+e)/(1.0-e)) * tan(E/2.0));\n\n // Compute radius vector.\n float r = ${getScaleFactor().toFixed(\n 1,\n )} * a * (1.0 - e * e) / (1.0 + e * cos(v));\n\n // Compute heliocentric coords.\n float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n return vec3(X, Y, Z);\n }\n\n vec3 getPos() {\n if (e > 0.9 && e < 1.2) {\n return getPosNearParabolic();\n } else if (e > 1.2) {\n return getPosHyperbolic();\n }\n return getPosEllipsoid();\n }\n\n void main() {\n vColor = fuzzColor;\n\n vec3 newpos = getPos() + origin;\n vec4 mvPosition = modelViewMatrix * vec4(newpos, 1.0);\n gl_PointSize = visible > 0.5 ? size : 0.0;\n gl_Position = projectionMatrix * mvPosition;\n }\n `;\n}\n\nexport const STAR_SHADER_FRAGMENT = `\n in vec3 vColor;\n \n void main() {\n float a = 1.0 - 2.0 * length(gl_PointCoord - vec2(0.5, 0.5));\n gl_FragColor = vec4(vColor, a);\n }\n`;\n\nexport const STAR_SHADER_VERTEX = `\n in float size;\n out vec3 vColor;\n\n void main() {\n vColor = color;\n vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);\n gl_PointSize = size;\n gl_Position = projectionMatrix * mvPosition;\n }\n`;\n\nexport const GENERIC_PARTICLE_SHADER_VERTEX = `\n in float size;\n in vec3 customColor;\n \n out vec3 vColor;\n \n void main() {\n vColor = customColor;\n vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);\n gl_PointSize = size * (300.0 / -mvPosition.z);\n gl_Position = projectionMatrix * mvPosition;\n }\n`;\n\nexport const GENERIC_PARTICLE_SHADER_FRAGMENT = `\n uniform vec3 color;\n uniform sampler2D tex;\n \n in vec3 vColor;\n\n void main() {\n gl_FragColor = vec4(color * vColor, 1.0);\n gl_FragColor = gl_FragColor * texture(tex, gl_PointCoord);\n if (gl_FragColor.a < ALPHATEST) discard;\n }\n`;\n\nexport const ATMOSPHERE_SHADER_VERTEX = `\n uniform vec3 lightPos;\n\n out vec2 vUv;\n out vec3 vecPos;\n out vec3 vecNormal;\n //varying vec3 vNormal;\n\n out vec3 vViewLightPos;\n\n void main() {\n //vNormal = normalize(normalMatrix * normal);\n //gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\n\n vUv = uv;\n // Since the light is in camera coordinates,\n // I'll need the vertex position in camera coords too\n vecPos = (modelViewMatrix * vec4(position, 1.0)).xyz;\n // That's NOT exacly how you should transform your\n // normals but this will work fine, since my model\n // matrix is pretty basic\n vecNormal = (modelViewMatrix * vec4(normal, 0.0)).xyz;\n vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz;\n gl_Position = projectionMatrix * vec4(vecPos, 1.0);\n }\n`;\n\n// With help from https://stackoverflow.com/questions/43621274/how-to-correctly-set-lighting-for-custom-shader-material\nexport const ATMOSPHERE_SHADER_FRAGMENT = `\n uniform float c;\n uniform float p;\n uniform vec3 color;\n\n in vec2 vUv;\n in vec3 vecPos;\n in vec3 vecNormal;\n in vec3 vViewLightPos;\n\n void main() {\n float intensity = pow(c - dot(vecNormal, vec3(0.0, 0.0, 1.0)), p);\n\n vec4 addedLights = vec4(0.0, 0.0, 0.0, 1.0);\n vec3 lightDirection = normalize(vecPos - vViewLightPos);\n addedLights.rgb += clamp(dot(-lightDirection, vecNormal), 0.0, 1.0)\n * 1.0 /* intensity */;\n // * pointLights[i].color\n\n gl_FragColor = vec4(color, 1.0) * intensity * addedLights;\n }\n`;\n\nexport const SPHERE_SHADER_VERTEX = `\n uniform vec3 lightPos;\n\n out vec2 vUv;\n out vec3 vNormal;\n out vec3 vViewPosition;\n out vec3 vViewLightPos;\n\n void main() {\n vUv = uv;\n vec4 vViewPosition4 = modelViewMatrix * vec4(position, 1.0);\n vViewPosition = vViewPosition4.xyz;\n vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz;\n vNormal = normalMatrix * normal;\n\n gl_Position = projectionMatrix * vViewPosition4;\n }\n`;\n\nexport const SPHERE_SHADER_FRAGMENT = `\n uniform sampler2D sphereTex;\n\n in vec2 vUv;\n in vec3 vNormal;\n in vec3 vViewPosition;\n in vec3 vViewLightPos;\n\n void main() {\n vec3 normal = normalize(vNormal);\n vec3 lightDir = normalize(vViewLightPos - vViewPosition);\n float lambertian = max(dot(normal, lightDir), 0.0);\n gl_FragColor = texture(sphereTex, vUv) * vec4(vec3(1.0) * lambertian, 1.0);\n }\n`;\n\nexport const RING_SHADER_VERTEX = `\n out vec3 vPos;\n out vec3 vWorldPosition;\n out vec3 vNormal;\n\n void main() {\n vPos = position;\n vec4 worldPosition = (modelMatrix * vec4(position, 1.));\n gl_Position = projectionMatrix * viewMatrix * vec4(worldPosition.xyz, 1.);\n\n vNormal = normalMatrix * normal;\n vWorldPosition = worldPosition.xyz;\n }\n`;\n\nexport const RING_SHADER_FRAGMENT = `\n uniform sampler2D ringTex;\n uniform float innerRadius;\n uniform float outerRadius;\n uniform vec3 lightPos;\n\n in vec3 vNormal;\n in vec3 vPos;\n in vec3 vWorldPosition;\n\n vec4 color() {\n vec2 uv = vec2(0);\n uv.x = (length(vPos) - innerRadius) / (outerRadius - innerRadius);\n if (uv.x < 0.0 || uv.x > 1.0) {\n discard;\n }\n\n vec4 pixel = texture(ringTex, uv);\n return pixel;\n }\n\n vec3 shadow() {\n vec3 lightDir = normalize(vPos - lightPos);\n vec3 planetPos = vec3(0);\n\n vec3 ringPos = vPos - planetPos;\n float posDotLightDir = dot(ringPos, lightDir);\n float posDotLightDir2 = posDotLightDir * posDotLightDir;\n\n // TODO(ian): Generalize this line.\n float radius = 0.0389259903; // radius of saturn in coordinate system\n float radius2 = radius * radius;\n\n if (posDotLightDir > 0.0 && dot(ringPos, ringPos) - posDotLightDir2 < radius2) {\n return vec3(0.0);\n }\n return vec3(1.0);\n }\n\n vec3 lights() {\n vec3 lightDirection = normalize(vWorldPosition - lightPos);\n float c = 0.35 + max(0.0, dot(vNormal, lightDirection)) * 0.4;\n\n return vec3(c);\n }\n\n void main() {\n // NOTE: The order of multiplication matters here. color() may call\n // discard, which would cause problems on some Windows graphics drivers if\n // it is a left operand.\n // https://github.com/typpo/spacekit/issues/22\n gl_FragColor = vec4(lights() * shadow(), 1.0) * color();\n }\n`;\n", "import * as THREE from 'three';\n\nimport { getThreeJsTexture } from './util';\n\nimport { Coordinate3d } from './Coordinates';\nimport { getOrbitShaderVertex, getOrbitShaderFragment } from './shaders';\nimport { Orbit, OrbitType } from './Orbit';\n\nimport type { Ephem } from './Ephem';\nimport { Simulation, SimulationContext, SimulationObject } from \"./Simulation\"\nimport { Box3, Vector3, Sphere } from \"three\"\n\ninterface BaseKeplerParticleOptions {\n color?: number;\n textureUrl?: string;\n basePath?: string;\n jd?: number;\n maxNumParticles?: number;\n}\n\n// TODO(ian): Clean this up - we probably don't need a separate type.\ntype KeplerParticlesOptions = BaseKeplerParticleOptions & {\n defaultSize?: number;\n};\n\ntype KeplerParticleOptions = BaseKeplerParticleOptions & {\n particleSize?: number;\n};\n\ninterface ShaderAttributes {\n visible: THREE.BufferAttribute;\n size: THREE.BufferAttribute;\n origin: THREE.BufferAttribute;\n position: THREE.BufferAttribute;\n fuzzColor: THREE.BufferAttribute;\n a: THREE.BufferAttribute;\n e: THREE.BufferAttribute;\n i: THREE.BufferAttribute;\n om: THREE.BufferAttribute;\n ma: THREE.BufferAttribute;\n n: THREE.BufferAttribute;\n w: THREE.BufferAttribute;\n wBar: THREE.BufferAttribute;\n q: THREE.BufferAttribute;\n M: THREE.BufferAttribute;\n a0: THREE.BufferAttribute;\n}\n\nconst DEFAULT_PARTICLE_COUNT = 4096;\n\n/**\n * Compute mean anomaly at date. Used for elliptical and hyperbolic orbits.\n */\nfunction getM(ephem: Ephem, jd: number): number {\n const d = jd - ephem.get('epoch');\n return ephem.get('ma') + ephem.get('n') * d;\n}\n\nconst PARABOLIC_K = 0.01720209895;\nfunction getA0(ephem: Ephem, jd: number): number {\n const tp = ephem.get('tp');\n const e = ephem.get('e');\n const q = ephem.get('q');\n const d = jd - tp;\n return 0.75 * d * PARABOLIC_K * Math.sqrt((1 + e) / (q * q * q));\n}\n\n/**\n * An efficient way to render many objects in space with Kepler orbits.\n * Primarily used by Simulation to render all non-static objects.\n * @see Simulation\n */\nexport class KeplerParticles implements SimulationObject {\n static instanceCount: number;\n\n private id: string;\n\n private options: KeplerParticlesOptions;\n\n private simulation: Simulation;\n\n private context: SimulationContext;\n\n private addedToScene: boolean;\n\n private particleCount: number;\n\n private elements: Ephem[];\n\n private uniforms: {\n tex: { value: THREE.Texture };\n };\n\n private geometry: THREE.BufferGeometry;\n\n private shaderMaterial: THREE.ShaderMaterial;\n\n private particleSystem: THREE.Points;\n\n private attributes: ShaderAttributes;\n\n /**\n * @param {Object} options Options container\n * @param {Object} options.textureUrl Template url for sprite\n * @param {Object} options.basePath Base path for simulation supporting files\n * @param {Number} options.jd JD date value\n * @param {Number} options.maxNumParticles Maximum number of particles to display. Defaults to 4096\n * @param {Number} options.defaultSize Default size of particles. Note this\n * can be overriden by SpaceObject particleSize. Defaults to 25\n * @param {Object} contextOrSimulation Simulation context or object\n */\n constructor(\n options: KeplerParticlesOptions,\n contextOrSimulation: Simulation,\n ) {\n this.options = options;\n\n this.id = `KeplerParticles__${KeplerParticles.instanceCount}`;\n KeplerParticles.instanceCount++;\n\n this.simulation = contextOrSimulation;\n this.context = contextOrSimulation.getContext();\n\n // Whether Points object has been added to the Simulation/Scene. This\n // happens lazily when the first data point is added in order to prevent\n // WebGL render warnings.\n this.addedToScene = false;\n\n // Number of particles in the scene.\n this.particleCount = 0;\n\n if (!this.options.textureUrl) {\n throw new Error('ParticleSystem requires textureUrl to be set');\n }\n\n const defaultMapTexture = getThreeJsTexture(\n this.options.textureUrl,\n this.context.options.basePath,\n );\n\n this.uniforms = {\n tex: { value: defaultMapTexture },\n };\n\n const particleCount =\n this.options.maxNumParticles || DEFAULT_PARTICLE_COUNT;\n this.elements = [];\n this.attributes = {\n visible: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n size: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n origin: new THREE.BufferAttribute(new Float32Array(particleCount * 3), 3),\n position: new THREE.BufferAttribute(\n new Float32Array(particleCount * 3),\n 3,\n ),\n fuzzColor: new THREE.BufferAttribute(\n new Float32Array(particleCount * 3),\n 3,\n ),\n\n a: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n e: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n i: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n om: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n ma: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n n: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n w: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n wBar: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n q: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n\n M: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n a0: new THREE.BufferAttribute(new Float32Array(particleCount), 1),\n };\n this.attributes.M.setUsage(THREE.DynamicDrawUsage);\n this.attributes.a0.setUsage(THREE.DynamicDrawUsage);\n\n const geometry = new THREE.BufferGeometry();\n geometry.setDrawRange(0, 0);\n Object.keys(this.attributes).forEach((attributeName) => {\n const attribute =\n this.attributes[attributeName as keyof ShaderAttributes];\n geometry.setAttribute(attributeName, attribute);\n });\n\n // needs to be set, otherwise Three will hide the particles when the origin is not in the camera view\n geometry.boundingSphere = new Sphere(new Vector3(0, 0, 0), Infinity);\n\n const shader = new THREE.ShaderMaterial({\n uniforms: this.uniforms,\n vertexShader: getOrbitShaderVertex(),\n fragmentShader: getOrbitShaderFragment(),\n\n depthTest: true,\n depthWrite: false,\n transparent: true,\n });\n\n this.shaderMaterial = shader;\n this.geometry = geometry;\n this.particleSystem = new THREE.Points(geometry, shader);\n this.particleSystem.name = this.id;\n }\n\n /**\n * Add a particle to this particle system.\n * @param {Ephem} ephem Kepler ephemeris\n * @param {Object} options Options container\n * @param {Number} options.particleSize Size of particles\n * @param {Number} options.color Color of particles\n * @return {Number} The index of this article in the attribute list.\n */\n addParticle(ephem: Ephem, options: KeplerParticleOptions = {}): number {\n this.elements.push(ephem);\n const attributes = this.attributes;\n const offset = this.particleCount++;\n\n attributes.visible.set([1.0], offset);\n\n attributes.size.set(\n [options.particleSize || this.options.defaultSize || 15],\n offset,\n );\n const color = new THREE.Color(options.color || 0xffffff);\n attributes.fuzzColor.set([color.r, color.g, color.b], offset * 3);\n\n attributes.origin.set([0, 0, 0], offset * 3);\n\n attributes.a.set([ephem.get('a')], offset);\n attributes.e.set([ephem.get('e')], offset);\n attributes.i.set([ephem.get('i', 'rad')], offset);\n attributes.om.set([ephem.get('om', 'rad')], offset);\n attributes.wBar.set([ephem.get('wBar', 'rad')], offset);\n attributes.q.set([ephem.get('q')], offset);\n\n if (Orbit.getOrbitType(ephem) === OrbitType.PARABOLIC) {\n attributes.a0.set([getA0(ephem, this.options.jd || 0)], offset);\n } else {\n attributes.M.set([getM(ephem, this.options.jd || 0)], offset);\n }\n\n // TODO(ian): Set the update range\n for (const attributeKey in attributes) {\n if (attributes.hasOwnProperty(attributeKey)) {\n attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n }\n }\n this.geometry.setDrawRange(0, this.particleCount);\n\n if (!this.addedToScene && this.simulation) {\n // This happens lazily when the first data point is added in order to\n // prevent WebGL render warnings.\n this.simulation.addObject(this);\n this.addedToScene = true;\n }\n\n return offset;\n }\n\n /**\n * Hides the particle at the given offset so it is no longer drawn. The particle still takes up space in the array\n * though.\n * @param offset\n */\n hideParticle(offset: number) {\n this.setParticleVisibility(false, offset);\n }\n\n /**\n * Shows a previously hidden particle.\n * @param offset\n */\n showParticle(offset: number) {\n this.setParticleVisibility(true, offset);\n }\n\n isParticleVisible(offset: number) {\n return offset>= 0 && offset < this.particleCount && this.attributes.visible.array[offset] > 0.5;\n }\n\n /**\n * Shows a previously hidden particle.\n * @param is_visible\n * @param offset\n */\n setParticleVisibility(is_visible: boolean, offset: number) {\n const attributes = this.attributes;\n attributes.visible.set([is_visible ? 1.0 : 0.0], offset);\n\n for (const attributeKey in attributes) {\n if (attributes.hasOwnProperty(attributeKey)) {\n attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n }\n }\n }\n\n /**\n * Is at least one particle visible?\n */\n isVisible() {\n return this.particleCount > 0\n && this.particleSystem.visible\n && this.attributes.visible.array.slice(0, this.particleCount).some((visible) => visible > 0.5);\n }\n\n /**\n * Hide or show all particles globally using the parent object visible property.\n */\n setVisibility(value: boolean) {\n this.particleSystem.visible = value;\n }\n\n /**\n * Changes the size of the particle at the given offset to the given size. Setting the size to 0 hides the particle.\n * @param {Number} size The new size of this particle\n * @param {Number} offset The location of this particle in the attributes * array\n */\n setParticleSize(size: number, offset: number) {\n const attributes = this.attributes;\n attributes.size.set([size], offset);\n\n for (const attributeKey in attributes) {\n if (attributes.hasOwnProperty(attributeKey)) {\n attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n }\n }\n }\n\n /**\n * Changes the color of the particle at the given offset to the given color.\n * @param {Number} colorValue The new color of this particle (e.g. hex number)\n * @param {Number} offset The location of this particle in the attributes * array\n */\n setParticleColor(colorValue: number, offset: number) {\n const attributes = this.attributes;\n const { r, g, b } = new THREE.Color(colorValue);\n attributes.fuzzColor.set([r, g, b], offset * 3);\n\n for (const attributeKey in attributes) {\n if (attributes.hasOwnProperty(attributeKey)) {\n attributes[attributeKey as keyof ShaderAttributes].needsUpdate = true;\n }\n }\n }\n\n /**\n * Change the `origin` attribute of a particle.\n * @param {Number} offset The location of this particle in the attributes * array.\n * @param {Array.} newOrigin The new XYZ coordinates of the body that this particle orbits.\n */\n setParticleOrigin(offset: number, newOrigin: Coordinate3d) {\n this.attributes.origin.set(newOrigin, offset * 3);\n this.attributes.origin.needsUpdate = true;\n }\n\n /**\n * Update the position for all particles\n * @param {Number} jd JD date\n */\n update(jd: number) {\n const Ms: number[] = [];\n const a0s: number[] = [];\n let max_r = 0;\n\n for (let i = 0; i < this.elements.length; i++) {\n const ephem = this.elements[i];\n\n let M, a0;\n if (Orbit.getOrbitType(ephem) === OrbitType.PARABOLIC) {\n a0 = getA0(ephem, jd);\n M = 0;\n } else {\n a0 = 0;\n M = getM(ephem, jd);\n }\n\n Ms.push(M);\n a0s.push(a0);\n max_r = Math.max(max_r, ephem.get('q') * (1 + ephem.get('e')));\n }\n\n this.attributes.M.set(Ms);\n this.attributes.M.needsUpdate = true;\n\n this.attributes.a0.set(a0s);\n this.attributes.a0.needsUpdate = true;\n }\n\n /**\n * Get THREE.js objects that comprise this point cloud\n * @return {Array.} List of objects to add to THREE.js scene\n */\n get3jsObjects(): THREE.Object3D[] {\n return [this.particleSystem];\n }\n\n /**\n * Get unique id for this object.\n * @return {String} Unique id\n */\n getId(): string {\n return this.id;\n }\n\n /**\n * Free all GPU resources\n */\n removalCleanup() {\n this.geometry.dispose();\n this.shaderMaterial.dispose();\n this.uniforms.tex.value.dispose();\n }\n}\n\nKeplerParticles.instanceCount = 0;\n", "import {\n\tBufferGeometry,\n\tFileLoader,\n\tFloat32BufferAttribute,\n\tGroup,\n\tLineBasicMaterial,\n\tLineSegments,\n\tLoader,\n\tMaterial,\n\tMesh,\n\tMeshPhongMaterial,\n\tPoints,\n\tPointsMaterial,\n\tVector3,\n\tColor,\n\tSRGBColorSpace\n} from 'three';\n\n// o object_name | g group_name\nconst _object_pattern = /^[og]\\s*(.+)?/;\n// mtllib file_reference\nconst _material_library_pattern = /^mtllib /;\n// usemtl material_name\nconst _material_use_pattern = /^usemtl /;\n// usemap map_name\nconst _map_use_pattern = /^usemap /;\nconst _face_vertex_data_separator_pattern = /\\s+/;\n\nconst _vA = new Vector3();\nconst _vB = new Vector3();\nconst _vC = new Vector3();\n\nconst _ab = new Vector3();\nconst _cb = new Vector3();\n\nconst _color = new Color();\n\nfunction ParserState() {\n\n\tconst state = {\n\t\tobjects: [],\n\t\tobject: {},\n\n\t\tvertices: [],\n\t\tnormals: [],\n\t\tcolors: [],\n\t\tuvs: [],\n\n\t\tmaterials: {},\n\t\tmaterialLibraries: [],\n\n\t\tstartObject: function ( name, fromDeclaration ) {\n\n\t\t\t// If the current object (initial from reset) is not from a g/o declaration in the parsed\n\t\t\t// file. We need to use it for the first parsed g/o to keep things in sync.\n\t\t\tif ( this.object && this.object.fromDeclaration === false ) {\n\n\t\t\t\tthis.object.name = name;\n\t\t\t\tthis.object.fromDeclaration = ( fromDeclaration !== false );\n\t\t\t\treturn;\n\n\t\t\t}\n\n\t\t\tconst previousMaterial = ( this.object && typeof this.object.currentMaterial === 'function' ? this.object.currentMaterial() : undefined );\n\n\t\t\tif ( this.object && typeof this.object._finalize === 'function' ) {\n\n\t\t\t\tthis.object._finalize( true );\n\n\t\t\t}\n\n\t\t\tthis.object = {\n\t\t\t\tname: name || '',\n\t\t\t\tfromDeclaration: ( fromDeclaration !== false ),\n\n\t\t\t\tgeometry: {\n\t\t\t\t\tvertices: [],\n\t\t\t\t\tnormals: [],\n\t\t\t\t\tcolors: [],\n\t\t\t\t\tuvs: [],\n\t\t\t\t\thasUVIndices: false\n\t\t\t\t},\n\t\t\t\tmaterials: [],\n\t\t\t\tsmooth: true,\n\n\t\t\t\tstartMaterial: function ( name, libraries ) {\n\n\t\t\t\t\tconst previous = this._finalize( false );\n\n\t\t\t\t\t// New usemtl declaration overwrites an inherited material, except if faces were declared\n\t\t\t\t\t// after the material, then it must be preserved for proper MultiMaterial continuation.\n\t\t\t\t\tif ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {\n\n\t\t\t\t\t\tthis.materials.splice( previous.index, 1 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tconst material = {\n\t\t\t\t\t\tindex: this.materials.length,\n\t\t\t\t\t\tname: name || '',\n\t\t\t\t\t\tmtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),\n\t\t\t\t\t\tsmooth: ( previous !== undefined ? previous.smooth : this.smooth ),\n\t\t\t\t\t\tgroupStart: ( previous !== undefined ? previous.groupEnd : 0 ),\n\t\t\t\t\t\tgroupEnd: - 1,\n\t\t\t\t\t\tgroupCount: - 1,\n\t\t\t\t\t\tinherited: false,\n\n\t\t\t\t\t\tclone: function ( index ) {\n\n\t\t\t\t\t\t\tconst cloned = {\n\t\t\t\t\t\t\t\tindex: ( typeof index === 'number' ? index : this.index ),\n\t\t\t\t\t\t\t\tname: this.name,\n\t\t\t\t\t\t\t\tmtllib: this.mtllib,\n\t\t\t\t\t\t\t\tsmooth: this.smooth,\n\t\t\t\t\t\t\t\tgroupStart: 0,\n\t\t\t\t\t\t\t\tgroupEnd: - 1,\n\t\t\t\t\t\t\t\tgroupCount: - 1,\n\t\t\t\t\t\t\t\tinherited: false\n\t\t\t\t\t\t\t};\n\t\t\t\t\t\t\tcloned.clone = this.clone.bind( cloned );\n\t\t\t\t\t\t\treturn cloned;\n\n\t\t\t\t\t\t}\n\t\t\t\t\t};\n\n\t\t\t\t\tthis.materials.push( material );\n\n\t\t\t\t\treturn material;\n\n\t\t\t\t},\n\n\t\t\t\tcurrentMaterial: function () {\n\n\t\t\t\t\tif ( this.materials.length > 0 ) {\n\n\t\t\t\t\t\treturn this.materials[ this.materials.length - 1 ];\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn undefined;\n\n\t\t\t\t},\n\n\t\t\t\t_finalize: function ( end ) {\n\n\t\t\t\t\tconst lastMultiMaterial = this.currentMaterial();\n\t\t\t\t\tif ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {\n\n\t\t\t\t\t\tlastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;\n\t\t\t\t\t\tlastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;\n\t\t\t\t\t\tlastMultiMaterial.inherited = false;\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Ignore objects tail materials if no face declarations followed them before a new o/g started.\n\t\t\t\t\tif ( end && this.materials.length > 1 ) {\n\n\t\t\t\t\t\tfor ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {\n\n\t\t\t\t\t\t\tif ( this.materials[ mi ].groupCount <= 0 ) {\n\n\t\t\t\t\t\t\t\tthis.materials.splice( mi, 1 );\n\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Guarantee at least one empty material, this makes the creation later more straight forward.\n\t\t\t\t\tif ( end && this.materials.length === 0 ) {\n\n\t\t\t\t\t\tthis.materials.push( {\n\t\t\t\t\t\t\tname: '',\n\t\t\t\t\t\t\tsmooth: this.smooth\n\t\t\t\t\t\t} );\n\n\t\t\t\t\t}\n\n\t\t\t\t\treturn lastMultiMaterial;\n\n\t\t\t\t}\n\t\t\t};\n\n\t\t\t// Inherit previous objects material.\n\t\t\t// Spec tells us that a declared material must be set to all objects until a new material is declared.\n\t\t\t// If a usemtl declaration is encountered while this new object is being parsed, it will\n\t\t\t// overwrite the inherited material. Exception being that there was already face declarations\n\t\t\t// to the inherited material, then it will be preserved for proper MultiMaterial continuation.\n\n\t\t\tif ( previousMaterial && previousMaterial.name && typeof previousMaterial.clone === 'function' ) {\n\n\t\t\t\tconst declared = previousMaterial.clone( 0 );\n\t\t\t\tdeclared.inherited = true;\n\t\t\t\tthis.object.materials.push( declared );\n\n\t\t\t}\n\n\t\t\tthis.objects.push( this.object );\n\n\t\t},\n\n\t\tfinalize: function () {\n\n\t\t\tif ( this.object && typeof this.object._finalize === 'function' ) {\n\n\t\t\t\tthis.object._finalize( true );\n\n\t\t\t}\n\n\t\t},\n\n\t\tparseVertexIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 3 ) * 3;\n\n\t\t},\n\n\t\tparseNormalIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 3 ) * 3;\n\n\t\t},\n\n\t\tparseUVIndex: function ( value, len ) {\n\n\t\t\tconst index = parseInt( value, 10 );\n\t\t\treturn ( index >= 0 ? index - 1 : index + len / 2 ) * 2;\n\n\t\t},\n\n\t\taddVertex: function ( a, b, c ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddVertexPoint: function ( a ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\n\t\t},\n\n\t\taddVertexLine: function ( a ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.vertices;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\n\t\t},\n\n\t\taddNormal: function ( a, b, c ) {\n\n\t\t\tconst src = this.normals;\n\t\t\tconst dst = this.object.geometry.normals;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddFaceNormal: function ( a, b, c ) {\n\n\t\t\tconst src = this.vertices;\n\t\t\tconst dst = this.object.geometry.normals;\n\n\t\t\t_vA.fromArray( src, a );\n\t\t\t_vB.fromArray( src, b );\n\t\t\t_vC.fromArray( src, c );\n\n\t\t\t_cb.subVectors( _vC, _vB );\n\t\t\t_ab.subVectors( _vA, _vB );\n\t\t\t_cb.cross( _ab );\n\n\t\t\t_cb.normalize();\n\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\t\t\tdst.push( _cb.x, _cb.y, _cb.z );\n\n\t\t},\n\n\t\taddColor: function ( a, b, c ) {\n\n\t\t\tconst src = this.colors;\n\t\t\tconst dst = this.object.geometry.colors;\n\n\t\t\tif ( src[ a ] !== undefined ) dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );\n\t\t\tif ( src[ b ] !== undefined ) dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );\n\t\t\tif ( src[ c ] !== undefined ) dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );\n\n\t\t},\n\n\t\taddUV: function ( a, b, c ) {\n\n\t\t\tconst src = this.uvs;\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ] );\n\t\t\tdst.push( src[ b + 0 ], src[ b + 1 ] );\n\t\t\tdst.push( src[ c + 0 ], src[ c + 1 ] );\n\n\t\t},\n\n\t\taddDefaultUV: function () {\n\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( 0, 0 );\n\t\t\tdst.push( 0, 0 );\n\t\t\tdst.push( 0, 0 );\n\n\t\t},\n\n\t\taddUVLine: function ( a ) {\n\n\t\t\tconst src = this.uvs;\n\t\t\tconst dst = this.object.geometry.uvs;\n\n\t\t\tdst.push( src[ a + 0 ], src[ a + 1 ] );\n\n\t\t},\n\n\t\taddFace: function ( a, b, c, ua, ub, uc, na, nb, nc ) {\n\n\t\t\tconst vLen = this.vertices.length;\n\n\t\t\tlet ia = this.parseVertexIndex( a, vLen );\n\t\t\tlet ib = this.parseVertexIndex( b, vLen );\n\t\t\tlet ic = this.parseVertexIndex( c, vLen );\n\n\t\t\tthis.addVertex( ia, ib, ic );\n\t\t\tthis.addColor( ia, ib, ic );\n\n\t\t\t// normals\n\n\t\t\tif ( na !== undefined && na !== '' ) {\n\n\t\t\t\tconst nLen = this.normals.length;\n\n\t\t\t\tia = this.parseNormalIndex( na, nLen );\n\t\t\t\tib = this.parseNormalIndex( nb, nLen );\n\t\t\t\tic = this.parseNormalIndex( nc, nLen );\n\n\t\t\t\tthis.addNormal( ia, ib, ic );\n\n\t\t\t} else {\n\n\t\t\t\tthis.addFaceNormal( ia, ib, ic );\n\n\t\t\t}\n\n\t\t\t// uvs\n\n\t\t\tif ( ua !== undefined && ua !== '' ) {\n\n\t\t\t\tconst uvLen = this.uvs.length;\n\n\t\t\t\tia = this.parseUVIndex( ua, uvLen );\n\t\t\t\tib = this.parseUVIndex( ub, uvLen );\n\t\t\t\tic = this.parseUVIndex( uc, uvLen );\n\n\t\t\t\tthis.addUV( ia, ib, ic );\n\n\t\t\t\tthis.object.geometry.hasUVIndices = true;\n\n\t\t\t} else {\n\n\t\t\t\t// add placeholder values (for inconsistent face definitions)\n\n\t\t\t\tthis.addDefaultUV();\n\n\t\t\t}\n\n\t\t},\n\n\t\taddPointGeometry: function ( vertices ) {\n\n\t\t\tthis.object.geometry.type = 'Points';\n\n\t\t\tconst vLen = this.vertices.length;\n\n\t\t\tfor ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {\n\n\t\t\t\tconst index = this.parseVertexIndex( vertices[ vi ], vLen );\n\n\t\t\t\tthis.addVertexPoint( index );\n\t\t\t\tthis.addColor( index );\n\n\t\t\t}\n\n\t\t},\n\n\t\taddLineGeometry: function ( vertices, uvs ) {\n\n\t\t\tthis.object.geometry.type = 'Line';\n\n\t\t\tconst vLen = this.vertices.length;\n\t\t\tconst uvLen = this.uvs.length;\n\n\t\t\tfor ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {\n\n\t\t\t\tthis.addVertexLine( this.parseVertexIndex( vertices[ vi ], vLen ) );\n\n\t\t\t}\n\n\t\t\tfor ( let uvi = 0, l = uvs.length; uvi < l; uvi ++ ) {\n\n\t\t\t\tthis.addUVLine( this.parseUVIndex( uvs[ uvi ], uvLen ) );\n\n\t\t\t}\n\n\t\t}\n\n\t};\n\n\tstate.startObject( '', false );\n\n\treturn state;\n\n}\n\n//\n\nclass OBJLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t\tthis.materials = null;\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tconst loader = new FileLoader( this.manager );\n\t\tloader.setPath( this.path );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\t\tloader.load( url, function ( text ) {\n\n\t\t\ttry {\n\n\t\t\t\tonLoad( scope.parse( text ) );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\tif ( onError ) {\n\n\t\t\t\t\tonError( e );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.error( e );\n\n\t\t\t\t}\n\n\t\t\t\tscope.manager.itemError( url );\n\n\t\t\t}\n\n\t\t}, onProgress, onError );\n\n\t}\n\n\tsetMaterials( materials ) {\n\n\t\tthis.materials = materials;\n\n\t\treturn this;\n\n\t}\n\n\tparse( text ) {\n\n\t\tconst state = new ParserState();\n\n\t\tif ( text.indexOf( '\\r\\n' ) !== - 1 ) {\n\n\t\t\t// This is faster than String.split with regex that splits on both\n\t\t\ttext = text.replace( /\\r\\n/g, '\\n' );\n\n\t\t}\n\n\t\tif ( text.indexOf( '\\\\\\n' ) !== - 1 ) {\n\n\t\t\t// join lines separated by a line continuation character (\\)\n\t\t\ttext = text.replace( /\\\\\\n/g, '' );\n\n\t\t}\n\n\t\tconst lines = text.split( '\\n' );\n\t\tlet result = [];\n\n\t\tfor ( let i = 0, l = lines.length; i < l; i ++ ) {\n\n\t\t\tconst line = lines[ i ].trimStart();\n\n\t\t\tif ( line.length === 0 ) continue;\n\n\t\t\tconst lineFirstChar = line.charAt( 0 );\n\n\t\t\t// @todo invoke passed in handler if any\n\t\t\tif ( lineFirstChar === '#' ) continue; // skip comments\n\n\t\t\tif ( lineFirstChar === 'v' ) {\n\n\t\t\t\tconst data = line.split( _face_vertex_data_separator_pattern );\n\n\t\t\t\tswitch ( data[ 0 ] ) {\n\n\t\t\t\t\tcase 'v':\n\t\t\t\t\t\tstate.vertices.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 3 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tif ( data.length >= 7 ) {\n\n\t\t\t\t\t\t\t_color.setRGB(\n\t\t\t\t\t\t\t\tparseFloat( data[ 4 ] ),\n\t\t\t\t\t\t\t\tparseFloat( data[ 5 ] ),\n\t\t\t\t\t\t\t\tparseFloat( data[ 6 ] ),\n\t\t\t\t\t\t\t\tSRGBColorSpace\n\t\t\t\t\t\t\t);\n\n\t\t\t\t\t\t\tstate.colors.push( _color.r, _color.g, _color.b );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// if no colors are defined, add placeholders so color and vertex indices match\n\n\t\t\t\t\t\t\tstate.colors.push( undefined, undefined, undefined );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'vn':\n\t\t\t\t\t\tstate.normals.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 3 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'vt':\n\t\t\t\t\t\tstate.uvs.push(\n\t\t\t\t\t\t\tparseFloat( data[ 1 ] ),\n\t\t\t\t\t\t\tparseFloat( data[ 2 ] )\n\t\t\t\t\t\t);\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t} else if ( lineFirstChar === 'f' ) {\n\n\t\t\t\tconst lineData = line.slice( 1 ).trim();\n\t\t\t\tconst vertexData = lineData.split( _face_vertex_data_separator_pattern );\n\t\t\t\tconst faceVertices = [];\n\n\t\t\t\t// Parse the face vertex data into an easy to work with format\n\n\t\t\t\tfor ( let j = 0, jl = vertexData.length; j < jl; j ++ ) {\n\n\t\t\t\t\tconst vertex = vertexData[ j ];\n\n\t\t\t\t\tif ( vertex.length > 0 ) {\n\n\t\t\t\t\t\tconst vertexParts = vertex.split( '/' );\n\t\t\t\t\t\tfaceVertices.push( vertexParts );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// Draw an edge between the first vertex and all subsequent vertices to form an n-gon\n\n\t\t\t\tconst v1 = faceVertices[ 0 ];\n\n\t\t\t\tfor ( let j = 1, jl = faceVertices.length - 1; j < jl; j ++ ) {\n\n\t\t\t\t\tconst v2 = faceVertices[ j ];\n\t\t\t\t\tconst v3 = faceVertices[ j + 1 ];\n\n\t\t\t\t\tstate.addFace(\n\t\t\t\t\t\tv1[ 0 ], v2[ 0 ], v3[ 0 ],\n\t\t\t\t\t\tv1[ 1 ], v2[ 1 ], v3[ 1 ],\n\t\t\t\t\t\tv1[ 2 ], v2[ 2 ], v3[ 2 ]\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t} else if ( lineFirstChar === 'l' ) {\n\n\t\t\t\tconst lineParts = line.substring( 1 ).trim().split( ' ' );\n\t\t\t\tlet lineVertices = [];\n\t\t\t\tconst lineUVs = [];\n\n\t\t\t\tif ( line.indexOf( '/' ) === - 1 ) {\n\n\t\t\t\t\tlineVertices = lineParts;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfor ( let li = 0, llen = lineParts.length; li < llen; li ++ ) {\n\n\t\t\t\t\t\tconst parts = lineParts[ li ].split( '/' );\n\n\t\t\t\t\t\tif ( parts[ 0 ] !== '' ) lineVertices.push( parts[ 0 ] );\n\t\t\t\t\t\tif ( parts[ 1 ] !== '' ) lineUVs.push( parts[ 1 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tstate.addLineGeometry( lineVertices, lineUVs );\n\n\t\t\t} else if ( lineFirstChar === 'p' ) {\n\n\t\t\t\tconst lineData = line.slice( 1 ).trim();\n\t\t\t\tconst pointData = lineData.split( ' ' );\n\n\t\t\t\tstate.addPointGeometry( pointData );\n\n\t\t\t} else if ( ( result = _object_pattern.exec( line ) ) !== null ) {\n\n\t\t\t\t// o object_name\n\t\t\t\t// or\n\t\t\t\t// g group_name\n\n\t\t\t\t// WORKAROUND: https://bugs.chromium.org/p/v8/issues/detail?id=2869\n\t\t\t\t// let name = result[ 0 ].slice( 1 ).trim();\n\t\t\t\tconst name = ( ' ' + result[ 0 ].slice( 1 ).trim() ).slice( 1 );\n\n\t\t\t\tstate.startObject( name );\n\n\t\t\t} else if ( _material_use_pattern.test( line ) ) {\n\n\t\t\t\t// material\n\n\t\t\t\tstate.object.startMaterial( line.substring( 7 ).trim(), state.materialLibraries );\n\n\t\t\t} else if ( _material_library_pattern.test( line ) ) {\n\n\t\t\t\t// mtl file\n\n\t\t\t\tstate.materialLibraries.push( line.substring( 7 ).trim() );\n\n\t\t\t} else if ( _map_use_pattern.test( line ) ) {\n\n\t\t\t\t// the line is parsed but ignored since the loader assumes textures are defined MTL files\n\t\t\t\t// (according to https://www.okino.com/conv/imp_wave.htm, 'usemap' is the old-style Wavefront texture reference method)\n\n\t\t\t\tconsole.warn( 'THREE.OBJLoader: Rendering identifier \"usemap\" not supported. Textures must be defined in MTL files.' );\n\n\t\t\t} else if ( lineFirstChar === 's' ) {\n\n\t\t\t\tresult = line.split( ' ' );\n\n\t\t\t\t// smooth shading\n\n\t\t\t\t// @todo Handle files that have varying smooth values for a set of faces inside one geometry,\n\t\t\t\t// but does not define a usemtl for each face set.\n\t\t\t\t// This should be detected and a dummy material created (later MultiMaterial and geometry groups).\n\t\t\t\t// This requires some care to not create extra material on each smooth value for \"normal\" obj files.\n\t\t\t\t// where explicit usemtl defines geometry groups.\n\t\t\t\t// Example asset: examples/models/obj/cerberus/Cerberus.obj\n\n\t\t\t\t/*\n\t\t\t\t\t * http://paulbourke.net/dataformats/obj/\n\t\t\t\t\t *\n\t\t\t\t\t * From chapter \"Grouping\" Syntax explanation \"s group_number\":\n\t\t\t\t\t * \"group_number is the smoothing group number. To turn off smoothing groups, use a value of 0 or off.\n\t\t\t\t\t * Polygonal elements use group numbers to put elements in different smoothing groups. For free-form\n\t\t\t\t\t * surfaces, smoothing groups are either turned on or off; there is no difference between values greater\n\t\t\t\t\t * than 0.\"\n\t\t\t\t\t */\n\t\t\t\tif ( result.length > 1 ) {\n\n\t\t\t\t\tconst value = result[ 1 ].trim().toLowerCase();\n\t\t\t\t\tstate.object.smooth = ( value !== '0' && value !== 'off' );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// ZBrush can produce \"s\" lines #11707\n\t\t\t\t\tstate.object.smooth = true;\n\n\t\t\t\t}\n\n\t\t\t\tconst material = state.object.currentMaterial();\n\t\t\t\tif ( material ) material.smooth = state.object.smooth;\n\n\t\t\t} else {\n\n\t\t\t\t// Handle null terminated files without exception\n\t\t\t\tif ( line === '\\0' ) continue;\n\n\t\t\t\tconsole.warn( 'THREE.OBJLoader: Unexpected line: \"' + line + '\"' );\n\n\t\t\t}\n\n\t\t}\n\n\t\tstate.finalize();\n\n\t\tconst container = new Group();\n\t\tcontainer.materialLibraries = [].concat( state.materialLibraries );\n\n\t\tconst hasPrimitives = ! ( state.objects.length === 1 && state.objects[ 0 ].geometry.vertices.length === 0 );\n\n\t\tif ( hasPrimitives === true ) {\n\n\t\t\tfor ( let i = 0, l = state.objects.length; i < l; i ++ ) {\n\n\t\t\t\tconst object = state.objects[ i ];\n\t\t\t\tconst geometry = object.geometry;\n\t\t\t\tconst materials = object.materials;\n\t\t\t\tconst isLine = ( geometry.type === 'Line' );\n\t\t\t\tconst isPoints = ( geometry.type === 'Points' );\n\t\t\t\tlet hasVertexColors = false;\n\n\t\t\t\t// Skip o/g line declarations that did not follow with any faces\n\t\t\t\tif ( geometry.vertices.length === 0 ) continue;\n\n\t\t\t\tconst buffergeometry = new BufferGeometry();\n\n\t\t\t\tbuffergeometry.setAttribute( 'position', new Float32BufferAttribute( geometry.vertices, 3 ) );\n\n\t\t\t\tif ( geometry.normals.length > 0 ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'normal', new Float32BufferAttribute( geometry.normals, 3 ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.colors.length > 0 ) {\n\n\t\t\t\t\thasVertexColors = true;\n\t\t\t\t\tbuffergeometry.setAttribute( 'color', new Float32BufferAttribute( geometry.colors, 3 ) );\n\n\t\t\t\t}\n\n\t\t\t\tif ( geometry.hasUVIndices === true ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'uv', new Float32BufferAttribute( geometry.uvs, 2 ) );\n\n\t\t\t\t}\n\n\t\t\t\t// Create materials\n\n\t\t\t\tconst createdMaterials = [];\n\n\t\t\t\tfor ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {\n\n\t\t\t\t\tconst sourceMaterial = materials[ mi ];\n\t\t\t\t\tconst materialHash = sourceMaterial.name + '_' + sourceMaterial.smooth + '_' + hasVertexColors;\n\t\t\t\t\tlet material = state.materials[ materialHash ];\n\n\t\t\t\t\tif ( this.materials !== null ) {\n\n\t\t\t\t\t\tmaterial = this.materials.create( sourceMaterial.name );\n\n\t\t\t\t\t\t// mtl etc. loaders probably can't create line materials correctly, copy properties to a line material.\n\t\t\t\t\t\tif ( isLine && material && ! ( material instanceof LineBasicMaterial ) ) {\n\n\t\t\t\t\t\t\tconst materialLine = new LineBasicMaterial();\n\t\t\t\t\t\t\tMaterial.prototype.copy.call( materialLine, material );\n\t\t\t\t\t\t\tmaterialLine.color.copy( material.color );\n\t\t\t\t\t\t\tmaterial = materialLine;\n\n\t\t\t\t\t\t} else if ( isPoints && material && ! ( material instanceof PointsMaterial ) ) {\n\n\t\t\t\t\t\t\tconst materialPoints = new PointsMaterial( { size: 10, sizeAttenuation: false } );\n\t\t\t\t\t\t\tMaterial.prototype.copy.call( materialPoints, material );\n\t\t\t\t\t\t\tmaterialPoints.color.copy( material.color );\n\t\t\t\t\t\t\tmaterialPoints.map = material.map;\n\t\t\t\t\t\t\tmaterial = materialPoints;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( material === undefined ) {\n\n\t\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\t\tmaterial = new LineBasicMaterial();\n\n\t\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\t\tmaterial = new PointsMaterial( { size: 1, sizeAttenuation: false } );\n\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\tmaterial = new MeshPhongMaterial();\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tmaterial.name = sourceMaterial.name;\n\t\t\t\t\t\tmaterial.flatShading = sourceMaterial.smooth ? false : true;\n\t\t\t\t\t\tmaterial.vertexColors = hasVertexColors;\n\n\t\t\t\t\t\tstate.materials[ materialHash ] = material;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tcreatedMaterials.push( material );\n\n\t\t\t\t}\n\n\t\t\t\t// Create mesh\n\n\t\t\t\tlet mesh;\n\n\t\t\t\tif ( createdMaterials.length > 1 ) {\n\n\t\t\t\t\tfor ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {\n\n\t\t\t\t\t\tconst sourceMaterial = materials[ mi ];\n\t\t\t\t\t\tbuffergeometry.addGroup( sourceMaterial.groupStart, sourceMaterial.groupCount, mi );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\tmesh = new LineSegments( buffergeometry, createdMaterials );\n\n\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\tmesh = new Points( buffergeometry, createdMaterials );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tmesh = new Mesh( buffergeometry, createdMaterials );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif ( isLine ) {\n\n\t\t\t\t\t\tmesh = new LineSegments( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t} else if ( isPoints ) {\n\n\t\t\t\t\t\tmesh = new Points( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\tmesh = new Mesh( buffergeometry, createdMaterials[ 0 ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tmesh.name = object.name;\n\n\t\t\t\tcontainer.add( mesh );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// if there is only the default parser state object with no geometry data, interpret data as point cloud\n\n\t\t\tif ( state.vertices.length > 0 ) {\n\n\t\t\t\tconst material = new PointsMaterial( { size: 1, sizeAttenuation: false } );\n\n\t\t\t\tconst buffergeometry = new BufferGeometry();\n\n\t\t\t\tbuffergeometry.setAttribute( 'position', new Float32BufferAttribute( state.vertices, 3 ) );\n\n\t\t\t\tif ( state.colors.length > 0 && state.colors[ 0 ] !== undefined ) {\n\n\t\t\t\t\tbuffergeometry.setAttribute( 'color', new Float32BufferAttribute( state.colors, 3 ) );\n\t\t\t\t\tmaterial.vertexColors = true;\n\n\t\t\t\t}\n\n\t\t\t\tconst points = new Points( buffergeometry, material );\n\t\t\t\tcontainer.add( points );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn container;\n\n\t}\n\n}\n\nexport { OBJLoader };\n", "import * as THREE from 'three';\n\nimport { Mesh, Object3D, PerspectiveCamera } from \"three\"\n\nimport { EphemPresets } from './EphemPresets';\nimport { Orbit } from './Orbit';\nimport { getFullTextureUrl } from './util';\nimport { rescaleArray, rescaleNumber } from './Scale';\n\nimport type { Coordinate3d } from './Coordinates';\nimport type { Ephem } from './Ephem';\nimport type { EphemerisTable } from './EphemerisTable';\nimport type {\n Simulation,\n SimulationContext,\n SimulationObject,\n} from './Simulation';\nimport { Object3DJSONObject } from \"three/src/core/Object3D\"\n\nexport interface SpaceObjectOptions {\n position?: Coordinate3d;\n scale?: [number, number, number];\n particleSize?: number;\n labelText?: string;\n labelUrl?: string;\n hideOrbit?: boolean;\n axialTilt?: number;\n color?: number;\n radius?: number;\n levelsOfDetail?: { radii: number; segments: number }[];\n atmosphere?: {\n color?: number;\n innerSizeRatio?: number;\n outerSizeRatio?: number;\n enable?: boolean;\n };\n orbitPathSettings?: {\n leadDurationYears?: number;\n trailDurationYears?: number;\n numberSamplePoints?: number;\n };\n ephem?: Ephem;\n ephemTable?: EphemerisTable;\n textureUrl?: string;\n basePath?: string;\n rotation?: {\n enable: boolean;\n period: number; // Rotational period in days\n speed?: number; // Speed of rotation in degrees/rendering tick, do not set if want realistic rotation\n lambdaDeg?: number; // North Pole Ecliptic Longitude\n betaDeg?: number; // North Pole Ecliptic Latitude\n yorp?: number;\n phi0?: number; // Initial rotation angle\n jd0?: number; // JD epoch of rotational parameters\n };\n shape?: {\n shapeUrl?: string;\n color?: number;\n };\n ecliptic?: {\n lineColor?: number;\n displayLines?: boolean;\n };\n theme?: {\n color?: number;\n orbitColor?: number;\n };\n debug?: {\n showAxes: boolean;\n showGrid: boolean;\n };\n}\n\n/**\n * @private\n * Minimum number of degrees per day an object must move in order for its\n * position to be updated in the visualization.\n */\n// const MIN_DEG_MOVE_PER_DAY: number = 0.05;\n\n/**\n * @private\n * Number of milliseconds between label position updates.\n */\nconst LABEL_UPDATE_MS: number = 30;\n\n/**\n * @private\n * Converts [X, Y, Z] position in visualization to pixel coordinates.\n */\nfunction toScreenXY(\n position: Coordinate3d,\n camera: PerspectiveCamera,\n canvas: HTMLCanvasElement,\n): { x: number; y: number } {\n const pos = new THREE.Vector3(position[0], position[1], position[2]);\n pos.project(camera);\n return {\n x: ((pos.x + 1) * canvas.clientWidth) / 2,\n y: ((-pos.y + 1) * canvas.clientHeight) / 2,\n };\n}\n\n/**\n * An object that can be added to a visualization.\n * @example\n * ```\n * const myObject = viz.addObject('planet1', {\n * position: [0, 0, 0],\n * scale: [1, 1, 1],\n * particleSize: 5,\n * labelText: 'My object',\n * labelUrl: 'http://...',\n * hideOrbit: false,\n * ephem: new Spacekit.Ephem({...}),\n * textureUrl: '/path/to/spriteTexture.png',\n * basePath: '/base',\n * ecliptic: {\n * lineColor: 0xCCCCCC,\n * displayLines: false,\n * },\n * theme: {\n * color: 0xFFFFFF,\n * orbitColor: 0x888888,\n * },\n * });\n * ```\n */\nexport class SpaceObject implements SimulationObject {\n protected _id: string;\n\n protected _options: SpaceObjectOptions;\n\n protected _simulation: Simulation;\n\n protected _context: SimulationContext;\n\n protected _materials: THREE.Material[]; // needed for cleanup\n protected _geometries: THREE.BufferGeometry[]; // needed for cleanup\n protected _textures: THREE.Texture[]; // needed for cleanup\n\n protected _renderMethod?:\n | 'SPRITE'\n | 'PARTICLESYSTEM'\n | 'ROTATING_OBJECT'\n | 'SPHERE';\n\n protected _initialized: boolean;\n\n private _object3js?: THREE.Object3D;\n\n private _useEphemTable: boolean;\n\n private _isStaticObject: boolean;\n\n private _label?: HTMLElement;\n\n private _showLabel: boolean;\n\n private _lastLabelUpdate: number;\n\n // private _lastPositionUpdate: number;\n\n private _position: Coordinate3d;\n\n private _orbitAround?: SpaceObject;\n\n private _scale: [number, number, number];\n\n private _particleIndex?: number;\n\n // private _degreesPerDay?: number;\n\n private _orbitPath?: THREE.Object3D;\n\n private _eclipticLines?: THREE.Object3D;\n\n private _orbit?: Orbit;\n\n /**\n * @param {String} id Unique id of this object\n * @param {Object} options Options container\n * @param {Array.} options.position [X, Y, Z] heliocentric coordinates of object. Defaults to [0, 0, 0]\n * @param {Array.} options.scale Scale of object on each [X, Y, Z] axis. Defaults to [1, 1, 1]\n * @param {Number} options.particleSize Size of particle if this object is a Kepler object being represented as a particle.\n * @param {String} options.labelText Text label to display above object (set undefined for no label)\n * @param {String} options.labelUrl Label becomes a link that goes to this url.\n * @param {boolean} options.hideOrbit If true, don't show an orbital ellipse. Defaults false.\n * @param {Object} options.orbitPathSettings Contains settings for defining the orbit path\n * @param {Object} options.orbitPathSettings.leadDurationYears orbit path lead time in years\n * @param {Object} options.orbitPathSettings.trailDurationYears orbit path trail time in years\n * @param {Object} options.orbitPathSettings.numberSamplePoints number of\n * points to use when drawing the orbit line. Only applicable for\n * non-elliptical and ephemeris table orbits.\n * @param {Ephem} options.ephem Ephemerides for this orbit\n * @param {EphemerisTable} options.ephemTable ephemeris table object which represents look up ephemeris\n * @param {String} options.textureUrl Texture for sprite\n * @param {String} options.basePath Base path for simulation assets and data\n * @param {Object} options.ecliptic Contains settings related to ecliptic\n * @param {Number} options.ecliptic.lineColor Hex color of lines that run perpendicular to ecliptic. @see Orbit\n * @param {boolean} options.ecliptic.displayLines Whether to show ecliptic lines. Defaults false.\n * @param {Object} options.theme Contains settings related to appearance of orbit\n * @param {Number} options.theme.color Hex color of the object, if applicable\n * @param {Number} options.theme.orbitColor Hex color of the orbit\n * @param {Simulation} contextOrSimulation Simulation context or simulation object\n * @param {boolean} autoInit Automatically initialize this object. If false\n * you must call init() manually.\n */\n constructor(\n id: string,\n options: SpaceObjectOptions,\n simulation: Simulation,\n autoInit: boolean = true,\n ) {\n this._id = id;\n this._options = options || {};\n this._object3js = undefined;\n this._useEphemTable = this._options.ephemTable !== undefined;\n this._isStaticObject = !this._options.ephem && !this._useEphemTable;\n\n this._simulation = simulation;\n this._context = simulation.getContext();\n\n this._materials = [];\n this._geometries = [];\n this._textures = [];\n\n this._label = undefined;\n this._showLabel = false;\n this._lastLabelUpdate = 0;\n // this._lastPositionUpdate = 0;\n\n this._position = rescaleArray(this._options.position || [0, 0, 0]);\n this._orbitAround = undefined;\n this._scale = this._options.scale || [1, 1, 1];\n\n // The method of rendering used for this object (e.g. SPRITE, PARTICLESYSTEM).\n this._renderMethod = undefined;\n\n // The index of this particle in the KeplerParticles system, if applicable.\n this._particleIndex = undefined;\n\n // Number of degrees moved per day. Used to limit the number of orbit\n // updates for very slow moving objects.\n /*\n this._degreesPerDay = this._options.ephem\n ? this._options.ephem.get('n', 'deg')\n : undefined;\n */\n\n this._initialized = false;\n if (autoInit && !this.init()) {\n console.warn(`SpaceObject ${id}: failed to initialize`);\n }\n }\n\n /**\n * Initializes label and three.js objects. Called automatically unless you've\n * set autoInit to false in constructor (this init is suppressed by some\n * child classes).\n */\n init(): boolean {\n this.renderObject();\n\n if (this._options.labelText) {\n const labelElt = this.createLabel();\n this._simulation.getSimulationElement().appendChild(labelElt);\n this._label = labelElt;\n this._showLabel = true;\n }\n\n /**\n * Caching of THREE.js objects for orbitPath\n */\n this._orbitPath = undefined;\n this._eclipticLines = undefined;\n\n this.update(this._simulation.getJd(), true /* force */);\n\n this._initialized = true;\n return true;\n }\n\n /**\n * @private\n * Build the THREE.js object for this SpaceObject.\n */\n private renderObject() {\n let includeIfMissing = true;\n\n if (!this.isStaticObject()) {\n // Create the orbit no matter what - it's used to get current position\n // for CPU-positioned objects (e.g. child RotatingObjects, SphereObjects,\n // ShapeObjects).\n // TODO(ian): Only do this if we need to compute orbit position on the\n // CPU or display an orbit path.\n this._orbit = this.createOrbit();\n }\n\n if (!this._renderMethod) {\n // TODO(ian): It kinda sucks to have SpaceObject care about\n // renderMethod, which is set by children.\n\n if (this.isStaticObject()) {\n // Create a stationary sprite.\n this._object3js = this.createSprite();\n this._object3js.name = `${this._id}-sprite`;\n this._renderMethod = 'SPRITE';\n } else {\n if (this._useEphemTable) {\n this._object3js = this.createSprite();\n this._object3js.name = `${this._id}-sprite`;\n this._renderMethod = 'SPRITE';\n } else {\n // Create a particle representing this object on the GPU.\n this.addParticle();\n this._renderMethod = 'PARTICLESYSTEM';\n includeIfMissing = false;\n }\n }\n }\n\n if (includeIfMissing && this._simulation.getObject(this._id) === undefined) {\n this._simulation.addObject(this, false /* noUpdate */)\n }\n }\n\n private addParticle() {\n if (!this._options.ephem) {\n throw new Error(\n 'Attempting to create a particle system, but ephemeris are not available.',\n );\n }\n this._particleIndex = this._context.objects.particles.addParticle(\n this._options.ephem,\n {\n particleSize: this._options.particleSize,\n color: this.getColor(),\n },\n );\n }\n\n /**\n * @private\n * Builds the label div and adds it to the visualization\n * @return {HTMLElement} A div that contains the label for this object\n */\n private createLabel(): HTMLElement {\n const text = document.createElement('div');\n text.className = 'spacekit__object-label';\n\n const { labelText, labelUrl } = this._options;\n if (this._options.labelUrl) {\n text.innerHTML = ``;\n } else {\n text.innerHTML = `
${labelText}
`;\n }\n text.style.fontFamily = 'Arial';\n text.style.fontSize = '12px';\n text.style.color = '#fff';\n text.style.position = 'absolute';\n\n text.style.backgroundColor = '#0009';\n text.style.outline = '1px solid #5f5f5f';\n\n return text;\n }\n\n /**\n * @private\n * Updates the label's position\n * @param {Array.Number} newpos Position of the label in the visualization's\n * coordinate system\n */\n private updateLabelPosition(newpos: Coordinate3d) {\n if (!this._label) {\n throw new Error('Attempted to update label position without a label');\n }\n\n const label = this._label;\n const simulationElt = this._simulation.getSimulationElement();\n const pos = toScreenXY(\n newpos,\n this._simulation.getViewer().get3jsCamera(),\n simulationElt,\n );\n const loc = {\n left: pos.x,\n top: pos.y,\n right: pos.x + label.clientWidth,\n bottom: pos.y + label.clientHeight,\n };\n if (\n loc.left - 30 > 0 &&\n loc.right + 20 < simulationElt.clientWidth &&\n loc.top - 25 > 0 &&\n loc.bottom < simulationElt.clientHeight\n ) {\n label.style.left = `${loc.left - label.clientWidth / 2}px`;\n label.style.top = `${loc.top - label.clientHeight - 8}px`;\n label.style.visibility = 'visible';\n } else {\n label.style.visibility = 'hidden';\n }\n }\n\n /**\n * @private\n * Builds the sprite for this object\n * @return {THREE.Sprite} A sprite object\n */\n private createSprite(): THREE.Sprite {\n if (!this._options.textureUrl) {\n throw new Error('Cannot create sprite without a textureUrl');\n }\n const fullTextureUrl = getFullTextureUrl(\n this._options.textureUrl,\n this._context.options.basePath,\n );\n const texture = new THREE.TextureLoader().load(fullTextureUrl);\n texture.colorSpace = THREE.SRGBColorSpace;\n this._textures.push(texture);\n\n const material = new THREE.SpriteMaterial({\n map: texture,\n blending: THREE.AdditiveBlending,\n depthWrite: false,\n color: this._options.color ?? this._options.theme?.color ?? 0xffffff,\n sizeAttenuation: this._options.radius !== undefined,\n });\n this._materials.push(material);\n\n const sprite = new THREE.Sprite(material);\n\n if (this._options.radius !== undefined) {\n const d = this._options.radius * 2;\n const scale = rescaleArray(this._scale);\n sprite.scale.set(scale[0] * d, scale[1] * d, scale[2] * d);\n }\n else {\n const s = (this._options.particleSize ?? this._context.options.particleDefaultSize ?? 15) / 15 * 0.02;\n sprite.scale.set(s, s, s);\n }\n\n const position = this.getPosition(this._simulation.getJd());\n sprite.position.set(position[0], position[1], position[2]);\n\n if (this.isStaticObject()) {\n sprite.updateMatrix();\n sprite.matrixAutoUpdate = false;\n }\n\n return sprite;\n }\n\n /**\n * @private\n * Builds the {Orbit} for this object\n * @return {Orbit} An orbit object\n */\n private createOrbit(): Orbit {\n if (this._orbit) {\n return this._orbit;\n }\n\n const ephem = this._useEphemTable\n ? this._options.ephemTable\n : this._options.ephem;\n if (!ephem) {\n throw new Error('Cannot create orbit without Ephem or EphemerisTable');\n }\n return new Orbit(ephem, {\n orbitPathSettings: this._options.orbitPathSettings,\n color: this._options.theme?.orbitColor,\n eclipticLineColor: this._options.ecliptic?.lineColor,\n });\n }\n\n /**\n * @private\n * Determines whether to update the position of an update. Don't update if JD\n * threshold is less than a certain amount.\n * @param {Number} afterJd Next JD\n * @return {boolean} Whether to update\n */\n private shouldUpdateObjectPosition(afterJd: number): boolean {\n // TODO(ian): Reenable this as a function of zoom level, because as you get\n // closer the chopiness gets more noticeable.\n return true;\n /*\n if (!this._degreesPerDay || !this._lastPositionUpdate) {\n return true;\n }\n const degMove = this._degreesPerDay * (afterJd - this._lastPositionUpdate);\n if (degMove < MIN_DEG_MOVE_PER_DAY) {\n return false;\n }\n return true;\n */\n }\n\n /**\n * @protected\n * Used by child classes to set the object that gets its position updated.\n * @param {THREE.Object3D} obj Any THREE.js object\n */\n protected setPositionedObject(obj: THREE.Object3D) {\n this._object3js = obj;\n }\n\n protected getScale(): [number, number, number] {\n return this._scale;\n }\n\n /**\n * Make this object orbit another orbit.\n * @param {Object} spaceObj The SpaceObject that will serve as the origin of this object's orbit.\n */\n orbitAround(spaceObj: SpaceObject) {\n this._orbitAround = spaceObj;\n\n // force orbit update\n if (this._orbitPath) {\n this._simulation.getScene().remove(this._orbitPath);\n }\n this._orbitPath = undefined;\n this.update(this._simulation.getJd(), true /* force */);\n }\n\n /**\n * Updates the position of this object. Applicable only if this object is a\n * sprite and not a particle type.\n * @param {Number} x X position\n * @param {Number} y Y position\n * @param {Number} z Z position\n */\n setPosition(x: number, y: number, z: number) {\n this._position[0] = rescaleNumber(x);\n this._position[1] = rescaleNumber(y);\n this._position[2] = rescaleNumber(z);\n }\n\n /**\n * Gets the visualization coordinates of this object at a given time.\n * @param {Number} jd JD date\n * @return {Array.} [X, Y,Z] coordinates\n */\n getPosition(jd: number): Coordinate3d {\n const pos = this._position;\n if (!this._orbit) {\n // Default implementation, a static object.\n return pos;\n }\n\n const posModified = this._orbit.getPositionAtTime(jd);\n if (this._orbitAround) {\n const parentPos = this._orbitAround.getPosition(jd);\n return [\n pos[0] + posModified[0] + parentPos[0],\n pos[1] + posModified[1] + parentPos[1],\n pos[2] + posModified[2] + parentPos[2],\n ];\n }\n return [\n pos[0] + posModified[0],\n pos[1] + posModified[1],\n pos[2] + posModified[2],\n ];\n }\n\n /**\n * Updates the object and its label positions for a given time.\n * @param {Number} jd JD date\n * @param {boolean} force Whether to force an update regardless of checks for\n * movement.\n */\n update(jd: number, force: boolean = false) {\n let newpos;\n if (this._label) {\n // Labels must update, even for static objects.\n // TODO(ian): Determine this based on orbit and camera position change.\n const meetsLabelUpdateThreshold =\n +new Date() - this._lastLabelUpdate > LABEL_UPDATE_MS;\n const shouldUpdateLabelPos =\n force || (this._showLabel && meetsLabelUpdateThreshold);\n if (shouldUpdateLabelPos) {\n if (!newpos) {\n newpos = this.getPosition(jd);\n }\n this.updateLabelPosition(newpos);\n this._lastLabelUpdate = +new Date();\n }\n }\n\n if (this.isStaticObject() && !force) {\n return;\n }\n\n let shouldUpdateObjectPosition = false;\n if (this._object3js || this._label) {\n shouldUpdateObjectPosition = force || this.shouldUpdateObjectPosition(jd);\n }\n if (this._object3js && shouldUpdateObjectPosition) {\n newpos = this.getPosition(jd);\n this._object3js.position.set(newpos[0], newpos[1], newpos[2]);\n // this._lastPositionUpdate = jd;\n }\n\n const orbitNeedsRefreshing =\n !this._orbitPath || this._orbit?.needsUpdateForTime(jd);\n if (this._orbit && !this._options.hideOrbit && orbitNeedsRefreshing) {\n if (this._orbitPath) {\n this._simulation.getScene().remove(this._orbitPath);\n }\n this._orbitPath = this._orbit.getOrbitShape(jd, true, this._orbitAround);\n this._orbitPath.name = `${this._id}-orbit`;\n this._simulation.getScene().add(this._orbitPath);\n }\n\n const eclipticNeedsRefreshing =\n !this._eclipticLines || orbitNeedsRefreshing;\n if (\n this._orbit &&\n this._options.ecliptic &&\n this._options.ecliptic.displayLines &&\n eclipticNeedsRefreshing\n ) {\n if (this._eclipticLines) {\n this._simulation.getScene().remove(this._eclipticLines);\n }\n this._eclipticLines = this._orbit.getLinesToEcliptic();\n this._eclipticLines.name = `${this._id}-orbit-ec-lines`;\n this._simulation.getScene().add(this._eclipticLines);\n }\n\n if (this._orbitAround) {\n const parentPos = this._orbitAround.getPosition(jd);\n if (this._particleIndex !== undefined) {\n // TODO(ian): Only do this when the origin changes\n this._context.objects.particles?.setParticleOrigin(\n this._particleIndex!,\n parentPos,\n );\n }\n\n if (!this._options.hideOrbit && !this._orbit?.isHeliocentric()) {\n this._orbitPath?.position.set(parentPos[0], parentPos[1], parentPos[2]);\n this._eclipticLines?.position.set(parentPos[0], parentPos[1], parentPos[2]);\n }\n }\n }\n\n /**\n * Gets the THREE.js objects that represent this SpaceObject. The first\n * object returned is the primary object. Other objects may be returned,\n * such as rings, ellipses, etc.\n * @return {Array.} A list of THREE.js objects\n */\n get3jsObjects(): THREE.Object3D[] {\n const ret = [];\n if (this._object3js) {\n ret.push(this._object3js);\n }\n if (this._orbit) {\n if (this._orbitPath) {\n ret.push(this._orbitPath);\n }\n\n if (this._eclipticLines) {\n ret.push(this._eclipticLines);\n }\n }\n return ret;\n }\n\n /**\n * Specifies the object that is used to compute the bounding box. By default,\n * this will be the first THREE.js object in this class's list of objects.\n * @return {THREE.Object3D} THREE.js object\n */\n async getBoundingObject(): Promise {\n return Promise.resolve(this.get3jsObjects()[0]);\n }\n\n /**\n * Gets the color of this object. Usually this corresponds to the color of\n * the dot representing the object as well as its orbit.\n * @return {Number} A hexidecimal color value, e.g. 0xFFFFFF\n */\n getColor(): number {\n if (this._options.theme) {\n return this._options.theme.color || 0xffffff;\n }\n return 0xffffff;\n }\n\n /**\n * Gets the {Orbit} object for this SpaceObject.\n * @return {Orbit} Orbit object\n */\n getOrbit(): Orbit | undefined {\n return this._orbit;\n }\n\n /**\n * Gets label visilibity status.\n * @return {boolean} Whether label is visible.\n */\n getLabelVisibility(): boolean {\n return this._showLabel;\n }\n\n /**\n * Gets the label HTML Element.\n * @return {HTMLElement | undefined} The label element.\n */\n getLabelElement(): HTMLElement | undefined {\n return this._label;\n }\n\n /**\n * Toggle the visilibity of the label.\n * @param {boolean} val Whether to show or hide.\n */\n setLabelVisibility(val: boolean) {\n if (!this._label) {\n throw new Error('Attempted to set label visibility without a label');\n }\n\n if (val) {\n this._showLabel = true;\n this._label.style.display = 'block';\n } else {\n this._showLabel = false;\n this._label.style.display = 'none';\n }\n }\n\n /**\n * Gets the unique ID of this object.\n * @return {String} Unique ID\n */\n getId(): string {\n return this._id;\n }\n\n /**\n * Determines whether object is static (can't change its position) or whether\n * its position can be updated (ie, it has ephemeris)\n * @return {boolean} Whether this object can change its position.\n */\n isStaticObject(): boolean {\n return this._isStaticObject;\n }\n\n /**\n * Determines whether object is ready to be measured or added to scene.\n * @return {boolean} True if ready\n */\n isReady(): boolean {\n return this._initialized;\n }\n\n setVisibility(val: boolean) {\n this.get3jsObjects().forEach((obj) => {\n obj.visible = val;\n });\n if (this._particleIndex !== undefined) {\n this._context?.objects.particles.setParticleVisibility(val, this._particleIndex);\n }\n this.setLabelVisibility(val);\n }\n\n isVisible(): boolean {\n let visible = this.get3jsObjects().some(obj => obj.visible);\n if (this._particleIndex !== undefined) {\n visible = visible || this._context?.objects.particles.isParticleVisible(this._particleIndex);\n }\n visible = visible || this._showLabel;\n return visible;\n }\n\n removalCleanup() {\n if (this._label) {\n this._simulation.getSimulationElement().removeChild(this._label);\n this._label = undefined;\n }\n\n if (this._particleIndex !== undefined) {\n this._context?.objects.particles.hideParticle(this._particleIndex);\n if (!this._context?.objects.particles.isVisible()) {\n this._simulation.removeObject(this._context?.objects.particles);\n }\n }\n\n this._orbit?.removalCleanup();\n this._geometries.forEach(g => { g.dispose(); });\n this._materials.forEach(m => { m.dispose(); });\n this._textures.forEach(t => { t.dispose(); });\n }\n}\n\nexport const DEFAULT_PLANET_TEXTURE_URL = '{{assets}}/sprites/smallparticle.png';\n\n/**\n * Useful presets for creating SpaceObjects.\n * @example\n * ```\n * const myobject = viz.addObject('planet1', Spacekit.SpaceObjectPresets.MERCURY);\n * ```\n */\nexport const SpaceObjectPresets = {\n SUN: {\n textureUrl: '{{assets}}/sprites/lensflare0.png',\n position: [0, 0, 0],\n radius: 0.5, // massive radius for backwards compatibility, 0.00465 AU is the real value\n },\n MERCURY: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x913cee,\n },\n ephem: EphemPresets.MERCURY,\n },\n VENUS: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xff7733,\n },\n ephem: EphemPresets.VENUS,\n },\n EARTH: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x009acd,\n },\n ephem: EphemPresets.EARTH,\n },\n MOON: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xffd700,\n },\n ephem: EphemPresets.MOON,\n\n // Special params\n particleSize: 6,\n },\n MARS: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xa63a3a,\n },\n ephem: EphemPresets.MARS,\n },\n JUPITER: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xffb90f,\n },\n ephem: EphemPresets.JUPITER,\n },\n SATURN: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x336633,\n },\n ephem: EphemPresets.SATURN,\n },\n URANUS: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x0099ff,\n },\n ephem: EphemPresets.URANUS,\n },\n NEPTUNE: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0x3333ff,\n },\n ephem: EphemPresets.NEPTUNE,\n },\n PLUTO: {\n textureUrl: DEFAULT_PLANET_TEXTURE_URL,\n theme: {\n color: 0xccc0b0,\n },\n ephem: EphemPresets.PLUTO,\n },\n};\n", "import * as THREE from 'three';\n\nimport Units from './Units';\nimport { SpaceObject } from './SpaceObject';\nimport { rescaleVector } from './Scale';\n\nimport type { Simulation } from './Simulation';\nimport type { SpaceObjectOptions } from './SpaceObject';\n\nfunction getAxis(src: THREE.Vector3, dst: THREE.Vector3, color: number) {\n const mat = new THREE.LineBasicMaterial({ linewidth: 3, color });\n const geom = new THREE.BufferGeometry().setFromPoints([\n rescaleVector(src).clone(),\n rescaleVector(dst).clone(),\n ]);\n\n const axis = new THREE.Line(geom, mat);\n axis.computeLineDistances();\n return axis;\n}\n\nfunction getAxes() {\n return [\n getAxis(new THREE.Vector3(0, 0, 0), new THREE.Vector3(3, 0, 0), 0xff0000),\n getAxis(new THREE.Vector3(0, 0, 0), new THREE.Vector3(0, 3, 0), 0x00ff00),\n getAxis(new THREE.Vector3(0, 0, 0), new THREE.Vector3(0, 0, 3), 0x0000ff),\n ];\n}\n\n/**\n * This class simulates an object that spins according to provided rotational\n * parameters.\n */\nexport class RotatingObject extends SpaceObject {\n protected _obj: THREE.Object3D;\n\n private _objectIsRotatable: boolean;\n\n // private _axisRotationAngleOffset: number;\n\n private _axisOfRotation?: THREE.Vector3;\n\n /*\n * FIXME(ian): This implementation is still WIP! Rotational parameters are not\n * used right now.\n * @param {boolean} options.rotation.enable Rotate the object\n * @param {Number} options.rotation.speed Rotates the object even though no time elapsed, degs/rendering tick\n * @param {Number} options.rotation.lambdaDeg Ecliptic longitude lambda, in degrees\n * @param {Number} options.rotation.betaDeg Ecliptic longitude beta, in degrees\n * @param {Number} options.rotation.period Rotational period, in JD\n * @param {Number} options.rotation.yorp YORP coefficient, if any (defaults to 0)\n * @param {Number} options.rotation.phi0 Initial rotation phi, in degrees (defaults to 0)\n * @param {Number} options.rotation.jd0 JD epoch of rotational parameters\n * @see SpaceObject\n */\n constructor(\n id: string,\n options: SpaceObjectOptions,\n simulation: Simulation,\n autoInit: boolean = true,\n ) {\n super(id, options, simulation, false /* autoInit */);\n\n // The THREE.js object\n this._obj = new THREE.Object3D();\n this._obj.name = `${this._id}-rot-obj`;\n this._renderMethod = 'ROTATING_OBJECT';\n super.setPositionedObject(this._obj);\n\n this._objectIsRotatable = !!this._options.rotation;\n\n // Offset of axis angle\n // this._axisRotationAngleOffset = 0;\n this._axisOfRotation = undefined;\n\n if (autoInit) {\n this.init();\n }\n }\n\n override init(): boolean {\n if (this._objectIsRotatable) {\n this.initRotation();\n }\n\n if (this._options.debug) {\n if (this._options.debug.showAxes) {\n getAxes().forEach((axis) => {\n this._materials.push(axis.material as THREE.Material);\n this._geometries.push(axis.geometry as THREE.BufferGeometry);\n this._obj.add(axis);\n });\n }\n\n if (this._options.debug.showGrid) {\n const gridHelper = new THREE.GridHelper(3, 3, 0xff0000, 0xffeeee);\n gridHelper.geometry.rotateX(Math.PI / 2);\n this._materials.push(gridHelper.material);\n this._geometries.push(gridHelper.geometry);\n this._obj.add(gridHelper);\n }\n }\n\n return super.init();\n }\n\n initRotation() {\n if (!this._options.rotation) {\n throw new Error(\n 'Must specify `rotation` option when creating a RotatingObject',\n );\n }\n\n const { rotation } = this._options;\n if (typeof rotation.jd0 === 'undefined') {\n return;\n }\n\n // Formula\n // https://astro.troja.mff.cuni.cz/projects/asteroids3D/web.php?page=db_description\n\n // Testing this asteroid:\n // http://astro.troja.mff.cuni.cz/projects/asteroids3D/web.php?page=db_asteroid_detail&asteroid_id=1504\n // Model 2691\n\n // Cacus\n // http://astro.troja.mff.cuni.cz/projects/asteroids3D/web.php?page=db_asteroid_detail&asteroid_id=1046\n // http://astro.troja.mff.cuni.cz/projects/asteroids3D/php.php?script=db_sky_projection&model_id=1863&jd=2443568.0\n\n // North Pole Ecliptic Longitude\n const eLon = Units.rad(rotation.lambdaDeg || 0);\n\n // North Pole Ecliptic Latitude\n const eLat = Units.rad(rotation.betaDeg || 0);\n\n // Current simulation time in JD\n const JD = this._simulation.getJd();\n\n // Z axis is ecliptic North, X towards the sun at March equinox, Y is 90 deg to the east from X.\n // Assume the object's Z-axis is its rotation axis. Rotate it to point to (lambda, beta).\n // see Fig. 1 from https://astropedia.astrogeology.usgs.gov/download/Docs/WGCCRE/WGCCRE2015reprint.pdf\n // NOTE: the above reference seems to have a mistake as it says 90deg - a0, whereas 90deg + a0 seems to be correct.\n const W = this._z_rotation(JD)\n if (typeof W !== 'undefined') {\n this._obj.rotateZ((Math.PI / 2) + eLon); // Rotate X-axis to the body equator\n this._obj.rotateX((Math.PI / 2) - eLat); // Rotate Z-axis to the correct lat and lon\n this._obj.rotateZ(W); // Rotate around the Z-axis to spin the body the correct amount\n }\n }\n\n _z_rotation(jd: number) {\n if (typeof this._options.rotation === 'undefined') {\n return undefined;\n }\n const { period, yorp, phi0, jd0 } = this._options.rotation;\n if (typeof jd0 === 'undefined') {\n return undefined;\n }\n\n return (Units.rad(phi0 || 0) +\n ((2 * Math.PI) / period) * (jd - jd0) +\n (1 / 2) * (yorp || 0) * Math.pow(jd - jd0, 2)) % (2 * Math.PI);\n }\n\n /**\n * Updates the object and its label positions for a given time.\n * @param {Number} jd JD date\n */\n override update(jd: number, force: boolean = false) {\n if (\n this._obj &&\n this._objectIsRotatable &&\n this._options.rotation &&\n this._options.rotation.enable\n ) {\n if (this._axisOfRotation) {\n // this._obj.rotateOnAxis(this._axisOfRotation, 0.01);\n }\n if (this._options.rotation.speed) {\n this._obj.rotateZ(Units.rad(this._options.rotation.speed))\n }\n else {\n // Rotate the object around the Z axis\n const z_rot = this._z_rotation(jd);\n if (typeof z_rot !== 'undefined') {\n this._obj.rotation.z = z_rot;\n }\n }\n }\n\n // Update position\n super.update(jd, force);\n }\n\n /**\n * Gets the THREE.js objects that represent this SpaceObject.\n * @return {Array.} A list of THREE.js objects\n */\n override get3jsObjects(): THREE.Object3D[] {\n const ret = super.get3jsObjects();\n // NOTE: super.setPositionedObject(this._obj) in constructor already includes this._obj in the list\n return ret;\n }\n\n /**\n * Begin rotating this object.\n */\n startRotation() {\n if (!this._options.rotation) {\n throw new Error(\n 'Must specify `rotation` option when creating a RotatingObject',\n );\n }\n this._options.rotation.enable = true;\n }\n\n /**\n * Stop rotation of this object.\n */\n stopRotation() {\n if (!this._options.rotation) {\n throw new Error(\n 'Must specify `rotation` option when creating a RotatingObject',\n );\n }\n this._options.rotation.enable = false;\n }\n}\n", "import * as THREE from 'three';\nimport { OBJLoader } from 'three/examples/jsm/loaders/OBJLoader.js';\n\nimport { RotatingObject } from './RotatingObject';\n\nimport type { Simulation } from './Simulation';\nimport type { SpaceObjectOptions } from './SpaceObject';\n\nexport class ShapeObject extends RotatingObject {\n private shapeObj: THREE.Object3D | undefined;\n\n private loadingPromise: Promise;\n\n /**\n * @param {Object} options.shape Shape specification\n * @param {String} options.shape.type Type of object (\"custom\" or \"sphere\")\n * @param {String} options.shape.shapeUrl Path to shapefile if type is \"custom\"\n * @param {Number} options.shape.textureUrl Optional texture map for shape\n * @param {Number} options.shape.color Color of shape materials. Default 0xcccccc\n * @param {Number} options.shape.radius Radius, if applicable. Defaults to 1\n * @param {Object} options.shape.debug Debug options\n * @param {boolean} options.shape.debug.showAxes Show axes\n * rotation speed. Default 0.5\n * @see SpaceObject\n * @see RotatingObject\n */\n constructor(id: string, options: SpaceObjectOptions, simulation: Simulation) {\n super(id, options, simulation, false /* autoInit */);\n if (!options.shape) {\n throw new Error('ShapeObject requires an options.shape object');\n }\n if (!options.shape?.shapeUrl) {\n throw new Error(\n 'Must specify shape.shapeUrl when creating a ShapeObject',\n );\n }\n\n this.shapeObj = undefined;\n\n const manager = new THREE.LoadingManager();\n manager.onProgress = (item: string, loaded: number, total: number) => {\n console.info(this._id, item, 'loading progress:', loaded, '/', total);\n };\n this.loadingPromise = new Promise((resolve) => {\n const loader = new OBJLoader(manager);\n // TODO(ian): Make shapeurl follow assetpath logic.\n loader.load(options.shape!.shapeUrl!, (object) => {\n object.traverse((child: unknown) => {\n if (child instanceof THREE.Mesh) {\n const material = new THREE.MeshStandardMaterial({\n color: this._options.shape!.color || 0xcccccc,\n });\n child.material = material;\n child.geometry.scale(0.05, 0.05, 0.05);\n /*\n child.geometry.computeFaceNormals();\n child.geometry.computeVertexNormals();\n child.geometry.computeBoundingBox();\n */\n this._geometries.push(child.geometry);\n this._materials.push(material);\n if (material.map) {\n this._textures.push(material.map as THREE.Texture);\n }\n }\n });\n\n object.name = `${this._id}-shape-obj`;\n this.shapeObj = object;\n this._obj.add(object);\n\n if (this._simulation) {\n // Add it all to visualization.\n this._simulation.addObject(this, false /* noUpdate */);\n }\n\n this._initialized = true;\n resolve(this.shapeObj);\n });\n });\n\n // TODO(ian): Create an orbit if applicable\n super.init();\n }\n\n /**\n * Specifies the object that is used to compute the bounding box.\n * @return {THREE.Object3D} THREE.js object\n */\n override async getBoundingObject(): Promise {\n return this.loadingPromise;\n }\n}\n", "import * as THREE from 'three';\n\nimport type {\n Simulation,\n SimulationContext,\n SimulationObject,\n} from './Simulation';\nimport { getFullTextureUrl } from './util';\nimport { Material } from \"three\"\nimport { MeshBasicMaterial } from \"three/src/materials/MeshBasicMaterial\"\n\ninterface SkyboxOptions {\n textureUrl: string;\n basePath: string;\n}\n\n/**\n * A class that adds a skybox (technically a skysphere) to a visualization.\n */\nexport class Skybox implements SimulationObject {\n private simulation: Simulation;\n\n private context: SimulationContext;\n\n private id: string;\n\n private options: SkyboxOptions;\n\n private mesh?: THREE.Mesh;\n\n /**\n * @param {Object} options Options\n * @param {String} options.textureUrl Texture to use\n * @param {String} options.basePath Base path to simulation supporting files\n * @param {Simulation} simulation Simulation object\n */\n constructor(options: SkyboxOptions, simulation: Simulation) {\n // TODO(ian): Support for actual box instead of sphere...\n this.options = options;\n this.id = `__skybox_${new Date().getTime()}`;\n\n // User passed in Simulation\n this.simulation = simulation;\n this.context = simulation.getContext();\n\n this.mesh = undefined;\n\n this.init();\n }\n\n /**\n * @private\n */\n private init() {\n const geometry = new THREE.SphereGeometry(1e10, 32, 32);\n\n const fullTextureUrl = getFullTextureUrl(\n this.options.textureUrl,\n this.context.options.basePath,\n );\n const texture = new THREE.TextureLoader().load(fullTextureUrl);\n texture.colorSpace = THREE.SRGBColorSpace;\n\n const material = new THREE.MeshBasicMaterial({\n map: texture,\n side: THREE.BackSide,\n });\n\n const sky = new THREE.Mesh(geometry, material);\n sky.name = this.id;\n\n // See this thread on orientation of milky way:\n // https://www.physicsforums.com/threads/orientation-of-the-earth-sun-and-solar-system-in-the-milky-way.888643/\n sky.rotation.x = 0;\n sky.rotation.y = (-1 / 12) * Math.PI;\n sky.rotation.z = (8 / 5) * Math.PI;\n\n // We're on the inside of the skybox, so invert it to correct it.\n sky.scale.set(-1, 1, 1);\n\n this.mesh = sky;\n\n if (this.simulation) {\n this.simulation.addObject(this, true /* noUpdate */);\n }\n }\n\n /**\n * A list of THREE.js objects that are used to compose the skybox.\n * @return {THREE.Object3D[]} Skybox mesh\n */\n get3jsObjects(): THREE.Object3D[] {\n if (this.mesh) {\n return [this.mesh];\n }\n return [];\n }\n\n /**\n * Get the unique ID of this object.\n * @return {String} id\n */\n getId(): string {\n return this.id;\n }\n\n update() {\n // Skyboxes don't update\n }\n\n isVisible() {\n return this.mesh?.visible ?? false;\n }\n\n setVisibility(val: boolean) {\n if (this.mesh) {\n this.mesh.visible = val;\n }\n }\n\n /**\n * Free all GPU resources\n */\n removalCleanup() {\n if (this.mesh) {\n this.mesh.geometry.dispose();\n (this.mesh.material as MeshBasicMaterial).dispose();\n (this.mesh.material as MeshBasicMaterial).map?.dispose();\n }\n }\n}\n\n/**\n * Preset skybox objects that you can use to add a skybox to your\n * visualization.\n * @example\n * ```\n * const skybox = viz.createSkybox(Spacekit.SkyboxPresets.NASA_TYCHO);\n * ```\n */\nexport const SkyboxPresets: Record = {\n ESO_GIGAGALAXY: {\n textureUrl: '{{assets}}/skybox/eso_milkyway.jpg',\n },\n ESO_LITE: {\n textureUrl: '{{assets}}/skybox/eso_lite.png',\n },\n NASA_TYCHO: {\n // from https://svs.gsfc.nasa.gov/3895\n textureUrl: '{{assets}}/skybox/nasa_tycho.jpg',\n },\n};\n", "import * as THREE from 'three';\n//import { TranslucentShader } from 'three/examples/jsm/shaders/TranslucentShader.js';\n\nimport Units from './Units';\nimport { RotatingObject } from './RotatingObject';\nimport { rescaleArray, rescaleNumber } from \"./Scale\"\nimport {\n ATMOSPHERE_SHADER_VERTEX,\n ATMOSPHERE_SHADER_FRAGMENT,\n RING_SHADER_VERTEX,\n RING_SHADER_FRAGMENT,\n SPHERE_SHADER_VERTEX,\n SPHERE_SHADER_FRAGMENT,\n} from './shaders';\n\nimport type { IUniform } from 'three';\nimport type { Simulation } from './Simulation';\nimport type { SpaceObjectOptions } from './SpaceObject';\nimport { DEFAULT_PLANET_TEXTURE_URL } from './SpaceObject';\nimport { getFullTextureUrl } from \"./util\"\n\n/**\n * Simulates a planet or other object as a perfect sphere.\n */\nexport class SphereObject extends RotatingObject {\n /**\n * @param {String} options.textureUrl Path to basic texture (optional)\n * @param {String} options.bumpMapUrl Path to bump map (optional)\n * @param {String} options.specularMapUrl Path to specular map (optional)\n * @param {Number} options.color Hex color of the sphere\n * @param {Number} options.axialTilt Axial tilt in degrees (rotation options will override this)\n * @param {Number} options.radius Radius of sphere. Defaults to 1\n * @param {Object} options.levelsOfDetail List of {threshold: x, segments:\n * y}, where `threshold` is radii distance and `segments` is the number\n * number of sphere faces to render.\n * @param {Object} options.atmosphere Atmosphere options\n * @param {Object} options.atmosphere.enable Show atmosphere\n * @param {Object} options.atmosphere.color Atmosphere color\n * @param {Object} options.atmosphere.innerSizeRatio Size ratio of the inner\n * atmosphere to the radius of the sphere. Defaults to 0.025\n * @param {Object} options.atmosphere.outerSizeRatio Size ratio of the outer\n * atmosphere to the radius of the sphere. Defaults to 0.15\n * @param {Object} options.debug Debug options\n * @param {boolean} options.debug.showAxes Show axes\n * @see SpaceObject\n * @see RotatingObject\n */\n constructor(id: string, options: SpaceObjectOptions, simulation: Simulation) {\n super(id, options, simulation, false /* autoInit */);\n\n this.init();\n }\n\n override init(): boolean {\n let map: THREE.Texture | null = null;\n if (this._options.textureUrl) {\n map = new THREE.TextureLoader().load(this._options.textureUrl);\n map.colorSpace = THREE.SRGBColorSpace;\n this._textures.push(map);\n }\n\n const color = this._options.color ?? this._options.theme?.color ?? 0xbbbbbb;\n const detailedObj = new THREE.LOD();\n const levelsOfDetail = this._options.levelsOfDetail || [\n { radii: 0, segments: 64 },\n ];\n const radius = this.getScaledRadius();\n\n for (let i = 0; i < levelsOfDetail.length; i += 1) {\n const level = levelsOfDetail[i];\n let lodObj: THREE.Object3D;\n\n if (level.segments > 0) {\n const sphereGeometry = new THREE.SphereGeometry(\n radius,\n level.segments,\n level.segments,\n );\n this._geometries.push(sphereGeometry);\n\n let material: THREE.ShaderMaterial | THREE.MeshBasicMaterial;\n if (this._simulation.isUsingLightSources()) {\n if (map === null) {\n console.warn(`SphereObject ${this._id} requires a texture when using a light source.`);\n }\n const uniforms: Record = {\n sphereTex: {\n value: map,\n },\n lightPos: {\n value: new THREE.Vector3(),\n },\n };\n // TODO(ian): Handle if no map\n uniforms.lightPos.value.copy(this._simulation.getLightPosition());\n material = new THREE.ShaderMaterial({\n uniforms,\n vertexShader: SPHERE_SHADER_VERTEX,\n fragmentShader: SPHERE_SHADER_FRAGMENT,\n transparent: true,\n });\n } else {\n material = new THREE.MeshBasicMaterial({ map, color });\n }\n this._materials.push(material);\n\n lodObj = new THREE.Mesh(sphereGeometry, material);\n lodObj.receiveShadow = true;\n lodObj.castShadow = true;\n\n // Change the coordinate system to have Z-axis pointed up.\n lodObj.rotation.x = Math.PI / 2;\n }\n else {\n // create a sprite instead, marking the position of the object when too far away to show otherwise\n const textureUrl = getFullTextureUrl(DEFAULT_PLANET_TEXTURE_URL, this._context.options.basePath);\n const spriteMap = new THREE.TextureLoader().load(textureUrl);\n spriteMap.colorSpace = THREE.SRGBColorSpace;\n this._textures.push(spriteMap);\n\n const spriteMaterial = new THREE.SpriteMaterial({\n map: spriteMap,\n color: color,\n blending: THREE.AdditiveBlending,\n depthWrite: false,\n sizeAttenuation: false,\n });\n this._materials.push(spriteMaterial);\n\n const s = (this._options.particleSize ?? this._context.options.particleDefaultSize ?? 15) / 15 * 0.02;\n lodObj = new THREE.Sprite(spriteMaterial);\n lodObj.scale.set(s, s, s);\n }\n\n // Show this number of segments at distance >= radii * level.radii.\n detailedObj.addLevel(lodObj, radius * level.radii);\n }\n detailedObj.name = `${this._id}-detailed`;\n\n // Add to the parent base object.\n this._obj.add(detailedObj);\n\n if (this._options.atmosphere && this._options.atmosphere.enable) {\n const atmosphere = this.renderFullAtmosphere();\n if (atmosphere) {\n this._obj.add(atmosphere);\n }\n }\n\n if (this._options.axialTilt && this._options.rotation?.lambdaDeg === undefined) {\n this._obj.rotation.y += Units.rad(this._options.axialTilt);\n }\n\n this._renderMethod = 'SPHERE';\n\n return super.init();\n }\n\n /**\n * @private\n */\n private getScaledRadius(): number {\n return rescaleNumber(this._options.radius || 1);\n }\n\n /**\n * @private\n * Model the atmosphere as two layers - a thick inner layer and a diffuse\n * outer one.\n */\n private renderFullAtmosphere() {\n if (!this._simulation.isUsingLightSources()) {\n console.warn('Cannot render atmosphere without a light source');\n return null;\n }\n\n const radius = this.getScaledRadius();\n const color = new THREE.Color(this._options?.atmosphere?.color ?? 0xffffff);\n\n const innerSize =\n radius * (this._options?.atmosphere?.innerSizeRatio ?? 0.025);\n const outerSize =\n radius * (this._options?.atmosphere?.outerSizeRatio ?? 0.15);\n\n const detailedObj = new THREE.Object3D();\n detailedObj.add(\n this.renderAtmosphereComponent(radius, innerSize, 0.8, 2.0, color),\n );\n detailedObj.add(\n this.renderAtmosphereComponent(radius, outerSize, 0.5, 4.0, color),\n );\n\n // Hide atmosphere beyond some multiple of radius distance.\n // TODO(ian): This effect is somewhat jarring when the atmosphere first\n // appears, also arbitrary...\n const ret = new THREE.LOD();\n ret.addLevel(detailedObj, 0);\n ret.addLevel(new THREE.Object3D(), radius * 24);\n ret.name = `${this._id}-atm`;\n return ret;\n }\n\n /**\n * @private\n * @param {Number} radius Radius of object\n * @param {Number} size Size of atmosphere\n * @param {Number} coefficient Coefficient value\n * @param {Number} power Power value\n * @param {THREE.Color} colorObj Color of atmosphere\n */\n private renderAtmosphereComponent(\n radius: number,\n size: number,\n coefficient: number,\n power: number,\n colorObj: THREE.Color,\n ) {\n const geometry = new THREE.SphereGeometry(radius + size, 32, 32);\n const uniforms = {\n c: { value: coefficient },\n p: { value: power },\n color: { value: colorObj },\n lightPos: { value: new THREE.Vector3() },\n };\n const lightPosition = this._simulation.getLightPosition();\n if (lightPosition) {\n uniforms.lightPos.value.copy(lightPosition);\n }\n // TODO(ian): Handle case where there is no light.\n\n const material = new THREE.ShaderMaterial({\n uniforms,\n vertexShader: ATMOSPHERE_SHADER_VERTEX,\n fragmentShader: ATMOSPHERE_SHADER_FRAGMENT,\n side: THREE.BackSide,\n transparent: true,\n depthWrite: false,\n });\n this._geometries.push(geometry)\n this._materials.push(material)\n\n return new THREE.Mesh(geometry, material);\n }\n\n /**\n * Add rings around this object.\n * @param {Number} innerRadiusKm Inner radius of ring.\n * @param {Number} outerRadiusKm Outer radius of ring.\n * @param {String} texturePath Full path to 1xN ring texture. (each pixel\n * represents the color of a full circle within the ring)\n * @param {Number} segments Number of segments to use to render ring.\n * (optional)\n */\n addRings(\n innerRadiusKm: number,\n outerRadiusKm: number,\n texturePath: string,\n segments: number = 128,\n ) {\n const innerRadiusSize = rescaleNumber(Units.kmToAu(innerRadiusKm));\n const outerRadiusSize = rescaleNumber(Units.kmToAu(outerRadiusKm));\n\n const geometry = new THREE.RingGeometry(\n innerRadiusSize,\n outerRadiusSize,\n segments,\n 5,\n 0,\n Math.PI * 2,\n );\n this._geometries.push(geometry);\n\n // TODO(ian): Load from base path.\n const map = new THREE.TextureLoader().load(texturePath);\n map.colorSpace = THREE.SRGBColorSpace;\n this._textures.push(map);\n\n let material;\n if (this._simulation.isUsingLightSources()) {\n // TODO(ian): Follow recommendation for defining ShaderMaterials here:\n // https://discourse.threejs.org/t/cant-get-a-sampler2d-uniform-to-work-from-datatexture/6366/14?u=ianw\n const uniforms = THREE.UniformsUtils.merge([\n // TODO(ian): These failed due to type check. Remove?\n // THREE.UniformsLib.ambient,\n THREE.UniformsLib.lights,\n // THREE.UniformsLib.shadowmap,\n {\n ringTex: { value: null },\n innerRadius: { value: innerRadiusSize },\n outerRadius: { value: outerRadiusSize },\n lightPos: { value: new THREE.Vector3() },\n },\n ]);\n uniforms.ringTex.value = map;\n uniforms.lightPos.value.copy(this._simulation.getLightPosition());\n\n material = new THREE.ShaderMaterial({\n uniforms,\n lights: true,\n vertexShader: RING_SHADER_VERTEX,\n fragmentShader: RING_SHADER_FRAGMENT,\n transparent: true,\n alphaTest: 0.1,\n side: THREE.DoubleSide,\n });\n } else {\n material = new THREE.MeshBasicMaterial({\n map,\n side: THREE.DoubleSide,\n transparent: true,\n alphaTest: 0.1,\n opacity: 0.8,\n });\n }\n this._materials.push(material);\n\n const mesh = new THREE.Mesh(geometry, material);\n mesh.receiveShadow = true;\n mesh.castShadow = true;\n mesh.name = `${this._id}-ring`;\n\n this._obj.add(mesh);\n }\n}\n", "import * as THREE from 'three';\n\nimport { STAR_SHADER_VERTEX, STAR_SHADER_FRAGMENT } from './shaders';\n\nimport type { Coordinate3d } from './Coordinates';\nimport type { Simulation, SimulationObject } from './Simulation';\nimport { MeshBasicMaterial } from \"three/src/materials/MeshBasicMaterial\"\n\ninterface StaticParticleOptions {\n defaultColor: number;\n size: number;\n}\n\nconst DEFAULT_PARTICLE_SIZE = 4;\nconst DEFAULT_COLOR = 0xffffff;\n\n/**\n * Simulates a static particle field in whichever base reference the simulation is in.\n */\nexport class StaticParticles implements SimulationObject {\n private id: string;\n\n private options: StaticParticleOptions;\n\n private simulation: Simulation;\n\n private points: Coordinate3d[];\n\n private pointObject?: THREE.Points;\n\n /**\n *\n * @param {String} id Unique ID for this object\n * @param {Array.Array.} points an array of X,Y,Z cartesian points, one for each particle\n * @param {Object} options container\n * @param {Color} options.defaultColor color to use for all particles can be a THREE string color name or hex value\n * @param {Number} options.size the size of each particle\n * @param {Simulation} simulation Simulation object\n */\n constructor(\n id: string,\n points: Coordinate3d[],\n options: StaticParticleOptions,\n simulation: Simulation,\n ) {\n this.options = options;\n\n this.id = id;\n\n // User passed in Simulation\n this.simulation = simulation;\n\n this.points = points;\n this.pointObject = undefined;\n\n this.init();\n this.simulation.addObject(this, true);\n }\n\n init() {\n const positions = new Float32Array(this.points.length * 3);\n const colors = new Float32Array(this.points.length * 3);\n const sizes = new Float32Array(this.points.length);\n let color = new THREE.Color(DEFAULT_COLOR);\n\n if (this.options.defaultColor) {\n color = new THREE.Color(this.options.defaultColor);\n }\n\n let size = DEFAULT_PARTICLE_SIZE;\n\n if (this.options.size) {\n size = this.options.size;\n }\n\n for (let i = 0, l = this.points.length; i < l; i++) {\n const vertex = this.points[i];\n positions.set(vertex, i * 3);\n color.toArray(colors, i * 3);\n sizes[i] = size;\n }\n\n const geometry = new THREE.BufferGeometry();\n geometry.setAttribute('position', new THREE.BufferAttribute(positions, 3));\n geometry.setAttribute('color', new THREE.BufferAttribute(colors, 3));\n geometry.setAttribute('size', new THREE.BufferAttribute(sizes, 1));\n\n const material = new THREE.ShaderMaterial({\n vertexColors: true,\n vertexShader: STAR_SHADER_VERTEX,\n fragmentShader: STAR_SHADER_FRAGMENT,\n transparent: true,\n });\n\n this.pointObject = new THREE.Points(geometry, material);\n this.pointObject.name = `${this.id}-point-obj`;\n }\n\n /**\n * A list of THREE.js objects that are used to compose the particle system.\n * @return {THREE.Object3D} Point geometry\n */\n get3jsObjects(): THREE.Object3D[] {\n if (this.pointObject) {\n return [this.pointObject];\n }\n return [];\n }\n\n /**\n * Get the unique ID of this object.\n * @return {String} id\n */\n getId(): string {\n return this.id;\n }\n\n update() {\n // Static particles don't update\n }\n\n isVisible() {\n return this.pointObject?.visible ?? false;\n }\n\n setVisibility(val: boolean) {\n if (this.pointObject) {\n this.pointObject.visible = val;\n }\n }\n\n /**\n * Free all GPU resources\n */\n removalCleanup() {\n if (this.pointObject) {\n this.pointObject.geometry.dispose();\n (this.pointObject.material as MeshBasicMaterial).dispose();\n (this.pointObject.material as MeshBasicMaterial).map?.dispose();\n }\n }}\n", "import * as THREE from 'three';\n\nimport Coordinates from './Coordinates';\nimport Units from './Units';\nimport { STAR_SHADER_VERTEX, STAR_SHADER_FRAGMENT } from './shaders';\nimport { getFullUrl } from './util';\n\nimport type {\n Simulation,\n SimulationContext,\n SimulationObject,\n} from './Simulation';\nimport { MeshBasicMaterial } from \"three/src/materials/MeshBasicMaterial\"\n\ninterface StarOptions {\n minSize?: number;\n}\n\ntype StarRecord = [number, number, number, number];\n\n/**\n * Maps spectral class to star color\n * @param temp {Number} Star temperature in Kelvin\n * @return {Number} Color for star of given spectral class\n */\nfunction getColorForStar(temp: number): number {\n if (temp >= 30000) return 0x92b5ff;\n if (temp >= 10000) return 0xa2c0ff;\n if (temp >= 7500) return 0xd5e0ff;\n if (temp >= 6000) return 0xf9f5ff;\n if (temp >= 5200) return 0xffede3;\n if (temp >= 3700) return 0xffdab5;\n if (temp >= 2400) return 0xffb56c;\n return 0xffb56c;\n}\n\n/**\n * Returns the pixel size of a star.\n * @param mag {Number} Absolute magnitude of star\n * @param minSize {Number} Pixel size of the smallest star\n * @return {Number} Pixel size of star.\n */\nfunction getSizeForStar(mag: number, minSize: number): number {\n if (mag < 2.0) return minSize * 4;\n if (mag < 4.0) return minSize * 2;\n if (mag < 6.0) return minSize;\n return 1;\n}\n\n/**\n * Builds a starry background that is accurate for the Earth's position in\n * space.\n */\nexport class Stars implements SimulationObject {\n private _id: string;\n\n private _options: StarOptions;\n\n private _simulation: Simulation;\n\n private _context: SimulationContext;\n\n private _stars?: THREE.Points;\n\n /**\n * @param {Number} options.minSize The size of the smallest star.\n * Defaults to 0.75\n */\n constructor(options: StarOptions, simulation: Simulation) {\n this._options = options;\n this._id = `__stars_${new Date().getTime()}`;\n\n this._simulation = simulation;\n this._context = simulation.getContext();\n\n this._stars = undefined;\n\n this.init();\n }\n\n init() {\n const dataUrl = getFullUrl(\n '{{data}}/processed/bsc.json',\n this._context.options.basePath,\n );\n\n fetch(dataUrl)\n .then((resp) => resp.json())\n .then((library) => {\n const n = library.length;\n\n const geometry = new THREE.BufferGeometry();\n\n const positions = new Float32Array(n * 3);\n const colors = new Float32Array(n * 3);\n const sizes = new Float32Array(n);\n\n geometry.setAttribute(\n 'position',\n new THREE.BufferAttribute(positions, 3),\n );\n geometry.setAttribute('color', new THREE.BufferAttribute(colors, 3));\n geometry.setAttribute('size', new THREE.BufferAttribute(sizes, 1));\n\n library.forEach((star: StarRecord, idx: number) => {\n const [ra, dec, temp, mag] = star;\n\n const raRad = Units.rad(Units.hoursToDeg(ra));\n const decRad = Units.rad(dec);\n\n const cartesianSpherical = Coordinates.sphericalToCartesian(\n raRad,\n decRad,\n 1e9,\n );\n const pos = Coordinates.equatorialToEcliptic_Cartesian(\n cartesianSpherical[0],\n cartesianSpherical[1],\n cartesianSpherical[2],\n Coordinates.getObliquity(), // defaults to J2000 value\n );\n\n positions.set(pos, idx * 3);\n\n const color = new THREE.Color(getColorForStar(temp));\n colors.set(color.toArray(), idx * 3);\n\n sizes[idx] = getSizeForStar(\n mag,\n this._options.minSize || 3.0 /* minSize */,\n );\n });\n\n const material = new THREE.ShaderMaterial({\n uniforms: {},\n vertexColors: true,\n vertexShader: STAR_SHADER_VERTEX,\n fragmentShader: STAR_SHADER_FRAGMENT,\n\n transparent: true,\n });\n\n this._stars = new THREE.Points(geometry, material);\n this._stars.name = this._id\n\n if (this._simulation) {\n this._simulation.addObject(this, true /* noUpdate */);\n }\n });\n }\n\n /**\n * A list of THREE.js objects that are used to compose this object\n * @return {THREE.Object3D[]} Star objects\n */\n get3jsObjects(): THREE.Object3D[] {\n if (this._stars) {\n return [this._stars];\n }\n return [];\n }\n\n /**\n * Get the unique ID of this object.\n * @return {String} id\n */\n getId(): string {\n return this._id;\n }\n\n update() {\n // Stars don't update\n }\n\n isVisible() {\n return this._stars?.visible ?? false;\n }\n\n setVisibility(val: boolean) {\n if (this._stars) {\n this._stars.visible = val;\n }\n }\n\n /**\n * Free all GPU resources\n */\n removalCleanup() {\n if (this._stars) {\n this._stars.geometry.dispose();\n (this._stars.material as MeshBasicMaterial).dispose();\n (this._stars.material as MeshBasicMaterial).map?.dispose();\n }\n }\n}\n"], + "mappings": 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"names": [] } diff --git a/build/typescript/Camera.d.ts b/build/typescript/Camera.d.ts index fa48335..5be325c 100644 --- a/build/typescript/Camera.d.ts +++ b/build/typescript/Camera.d.ts @@ -1,5 +1,5 @@ import * as THREE from 'three'; -import { OrbitControls } from 'three/examples/jsm/controls/OrbitControls'; +import { OrbitControls } from 'three/examples/jsm/controls/OrbitControls.js'; import type { Coordinate3d } from './Coordinates'; import type { SimulationContext } from './Simulation'; import type { SpaceObject } from './SpaceObject'; diff --git a/build/typescript/Camera.js b/build/typescript/Camera.js index 0d35ce1..b375470 100644 --- a/build/typescript/Camera.js +++ b/build/typescript/Camera.js @@ -1,11 +1,7 @@ "use strict"; var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { if (k2 === undefined) k2 = k; - var desc = Object.getOwnPropertyDescriptor(m, k); - if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) { - desc = { enumerable: true, get: function() { return m[k]; } }; - } - Object.defineProperty(o, k2, desc); + Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } }); }) : (function(o, m, k, k2) { if (k2 === undefined) k2 = k; o[k2] = m[k]; @@ -24,7 +20,7 @@ var __importStar = (this && this.__importStar) || function (mod) { }; exports.__esModule = true; var THREE = __importStar(require("three")); -var OrbitControls_1 = require("three/examples/jsm/controls/OrbitControls"); +var OrbitControls_js_1 = require("three/examples/jsm/controls/OrbitControls.js"); var Scale_1 = require("./Scale"); /** * A wrapper for Three.js camera and controls. @@ -48,7 +44,7 @@ var Camera = /** @class */ (function () { // See https://discourse.threejs.org/t/camera-zoom-to-fit-object/936/6 // TODO(ian): Access this better var renderer = this.context.simulation.getRenderer(); - var controls = new OrbitControls_1.OrbitControls(this.camera, renderer.domElement); + var controls = new OrbitControls_js_1.OrbitControls(this.camera, renderer.domElement); controls.enableDamping = true; controls.dampingFactor = 0.05; controls.enablePan = true; diff --git a/build/typescript/Ephem.d.ts b/build/typescript/Ephem.d.ts index 212923f..649869a 100644 --- a/build/typescript/Ephem.d.ts +++ b/build/typescript/Ephem.d.ts @@ -58,12 +58,12 @@ export declare class Ephem { * @param {Number} initialValues.epoch Epoch in JD * @param {Number} initialValues.period Period in days * @param {Number} initialValues.ma Mean anomaly - * @param {Number} initialValues.n Mean motion + * @param {Number} initialValues.n Mean motion, deg or rad per day (instead of per second) * @param {Number} initialValues.L Mean longitude * @param {Number} initialValues.om Longitude of Ascending Node * @param {Number} initialValues.w Argument of Perihelion * @param {Number} initialValues.wBar Longitude of Perihelion - * @param {GM} initialValues.GM Standard gravitational parameter in km^3/s^2. + * @param {GM} initialValues.GM Standard gravitational parameter in m^3/s^2 (instead of km^3/s^2). * Defaults to GM.SUN. @see {GM} * @param {'deg'|'rad'} units The unit of angles in the list of initial values. */ diff --git a/build/typescript/Ephem.js b/build/typescript/Ephem.js index 5a1d583..54203d8 100644 --- a/build/typescript/Ephem.js +++ b/build/typescript/Ephem.js @@ -77,12 +77,12 @@ var Ephem = /** @class */ (function () { * @param {Number} initialValues.epoch Epoch in JD * @param {Number} initialValues.period Period in days * @param {Number} initialValues.ma Mean anomaly - * @param {Number} initialValues.n Mean motion + * @param {Number} initialValues.n Mean motion, deg or rad per day (instead of per second) * @param {Number} initialValues.L Mean longitude * @param {Number} initialValues.om Longitude of Ascending Node * @param {Number} initialValues.w Argument of Perihelion * @param {Number} initialValues.wBar Longitude of Perihelion - * @param {GM} initialValues.GM Standard gravitational parameter in km^3/s^2. + * @param {GM} initialValues.GM Standard gravitational parameter in m^3/s^2 (instead of km^3/s^2). * Defaults to GM.SUN. @see {GM} * @param {'deg'|'rad'} units The unit of angles in the list of initial values. */ @@ -101,7 +101,7 @@ var Ephem = /** @class */ (function () { this.attrs.GM = exports.GM.SUN; } this.fill(); - if (this.get('e') > 0.9 && typeof this.getUnsafe('tp') === 'undefined') { + if (this.get('e') >= 0.999 && typeof this.getUnsafe('tp') === 'undefined') { console.warn('You must specify "tp" (time of perihelion) for highly eccentric orbits'); } this.locked = locked; @@ -118,7 +118,7 @@ var Ephem = /** @class */ (function () { throw new Error('Attempted to modify locked (immutable) Ephem object'); } if (!EPHEM_VALID_ATTRS.has(attr)) { - console.warn("Invalid ephem attr: ".concat(attr)); + console.warn("Invalid ephem attr: " + attr); return false; } // Store everything in radians. @@ -161,7 +161,7 @@ var Ephem = /** @class */ (function () { var retVal = this.getUnsafe(attr, units); if (typeof retVal === 'undefined') { console.info(this.attrs); - throw new Error("Attempted to get ephemeris value '".concat(attr, "' but it was undefined")); + throw new Error("Attempted to get ephemeris value '" + attr + "' but it was undefined"); } return retVal; }; @@ -266,7 +266,8 @@ var Ephem = /** @class */ (function () { i: this.getUnsafe('i'), om: this.getUnsafe('om'), ma: this.getUnsafe('ma'), - w: this.getUnsafe('w') + w: this.getUnsafe('w'), + period: this.getUnsafe('period') }, 'rad'); }; return Ephem; diff --git a/build/typescript/EphemPresets.js b/build/typescript/EphemPresets.js index 7fe0f96..d0dbd7c 100644 --- a/build/typescript/EphemPresets.js +++ b/build/typescript/EphemPresets.js @@ -25,7 +25,8 @@ exports.EphemPresets = { i: 7.003891682749818, om: 4.830774804443502e1, w: 2.917940253442659e1, - ma: 2.56190975209273e2 + ma: 2.56190975209273e2, + period: 87.969257 }, 'deg', true /* locked */), VENUS: new Ephem_1.Ephem({ epoch: 2458426.5, @@ -34,7 +35,8 @@ exports.EphemPresets = { i: 3.394567787211735, om: 7.662534150657346e1, w: 5.474567447560867e1, - ma: 2.756687596099721e2 + ma: 2.756687596099721e2, + period: 224.70079922 }, 'deg', true /* locked */), EARTH: new Ephem_1.Ephem({ // Taken from https://nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html @@ -54,11 +56,11 @@ exports.EphemPresets = { i: -0.00001531, om: 0.0, wBar: 102.93768193, - L: 100.46457166 + L: 100.46457166, + period: 365.256363004 }, 'deg', true /* locked */), MOON: new Ephem_1.Ephem({ - // https://nssdc.gsfc.nasa.gov/planetary/factsheet/moonfact.html - GM: 0.3986e6, + GM: Ephem_1.GM.EARTH_MOON, // Geocentric // https://ssd.jpl.nasa.gov/horizons.cgi#results epoch: 2458621.5, @@ -67,7 +69,8 @@ exports.EphemPresets = { i: 5.102060246928811, om: 1.085916732144811e2, w: 6.180561793729225e1, - ma: 5.053270083636792e1 + ma: 5.053270083636792e1, + period: 27.321582 }, 'deg', true /* locked */), MARS: new Ephem_1.Ephem({ epoch: 2458426.5, @@ -76,7 +79,8 @@ exports.EphemPresets = { i: 1.848141099825311, om: 4.950420572080223e1, w: 2.866965847685386e2, - ma: 2.538237617924876e1 + ma: 2.538237617924876e1, + period: 686.98 }, 'deg', true /* locked */), JUPITER: new Ephem_1.Ephem({ epoch: 2458426.5, @@ -85,7 +89,8 @@ exports.EphemPresets = { i: 1.303560894624275, om: 1.005203828847816e2, w: 2.73736301845404e2, - ma: 2.31939544389401e2 + ma: 2.31939544389401e2, + period: 4332.589 }, 'deg', true /* locked */), SATURN: new Ephem_1.Ephem({ epoch: 2458426.5, @@ -94,7 +99,8 @@ exports.EphemPresets = { i: 2.482782449972317, om: 1.136154964073247e2, w: 3.394422648650336e2, - ma: 1.870970898012944e2 + ma: 1.870970898012944e2, + period: 10755.698 }, 'deg', true /* locked */), URANUS: new Ephem_1.Ephem({ epoch: 2458426.5, @@ -103,7 +109,8 @@ exports.EphemPresets = { i: 7.697511134483724e-1, om: 7.414239045667875e1, w: 9.942704504702185e1, - ma: 2.202603033874267e2 + ma: 2.202603033874267e2, + period: 30685.4 }, 'deg', true /* locked */), NEPTUNE: new Ephem_1.Ephem({ epoch: 2458426.5, @@ -112,7 +119,8 @@ exports.EphemPresets = { i: 1.774569249829094, om: 1.318695882492132e2, w: 2.586226409499831e2, - ma: 3.152804988924479e2 + ma: 3.152804988924479e2, + period: 60189 }, 'deg', true /* locked */), PLUTO: new Ephem_1.Ephem({ epoch: 2454000.5, @@ -168,7 +176,7 @@ var NaturalSatellites = /** @class */ (function () { */ break; default: - console.warn("Ephemeris type not yet implemented: ".concat(ephemType)); + console.warn("Ephemeris type not yet implemented: " + ephemType); return; } var ephemGM; @@ -183,7 +191,7 @@ var NaturalSatellites = /** @class */ (function () { ephemGM = Ephem_1.GM[moon.Planet.toUpperCase()]; } if (!ephemGM) { - console.error("Could not look up GM for ".concat(moon.Planet)); + console.error("Could not look up GM for " + moon.Planet); } var ephem = new Ephem_1.Ephem({ GM: ephemGM, diff --git a/build/typescript/EphemerisTable.d.ts b/build/typescript/EphemerisTable.d.ts index 534f96c..ec2a511 100644 --- a/build/typescript/EphemerisTable.d.ts +++ b/build/typescript/EphemerisTable.d.ts @@ -8,11 +8,11 @@ declare type DistanceUnits = 'au' | 'km'; declare type TimeUnits = 'day' | 'sec'; interface EphemerisTableData { data: number[][]; - ephemerisType: EphemType; + ephemerisType?: EphemType; distanceUnits: DistanceUnits; timeUnits: TimeUnits; - interpolationType: InterpolationType; - interpolationOrder: number; + interpolationType?: InterpolationType; + interpolationOrder?: number; } /** * This class encapsulates the data and necessary methods for operating with look up ephemeris data. @@ -38,6 +38,14 @@ export declare class EphemerisTable { * @param {Number} ephemerisData.interpolationOrder the order of the interpolator to use (defaults to 5) */ constructor(ephemerisData: EphemerisTableData); + /** + * Returns the first Julian date in the ephemeris table. + */ + getStartJd(): number; + /** + * Returns the last Julian date in the ephemeris table. + */ + getStopJd(): number; /** * Calculates the interpolated position for the given requested date. If the requested date is before the first * point it returns the first point. If the requested date is after the last point it returns the last point. diff --git a/build/typescript/EphemerisTable.js b/build/typescript/EphemerisTable.js index b2179f9..0a18beb 100644 --- a/build/typescript/EphemerisTable.js +++ b/build/typescript/EphemerisTable.js @@ -1,11 +1,7 @@ "use strict"; var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { if (k2 === undefined) k2 = k; - var desc = Object.getOwnPropertyDescriptor(m, k); - if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) { - desc = { enumerable: true, get: function() { return m[k]; } }; - } - Object.defineProperty(o, k2, desc); + Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } }); }) : (function(o, m, k, k2) { if (k2 === undefined) k2 = k; o[k2] = m[k]; @@ -81,32 +77,32 @@ var EphemerisTable = /** @class */ (function () { this.data = JSON.parse(JSON.stringify(ephemerisData.data)); if (ephemerisData.distanceUnits) { if (!DISTANCE_UNITS.has(ephemerisData.distanceUnits)) { - throw new Error("Unknown distance units: ".concat(ephemerisData.distanceUnits)); + throw new Error("Unknown distance units: " + ephemerisData.distanceUnits); } this.units.distance = ephemerisData.distanceUnits; } if (ephemerisData.timeUnits) { if (!TIME_UNITS.has(ephemerisData.timeUnits)) { - throw new Error("Unknown time units: ".concat(ephemerisData.timeUnits)); + throw new Error("Unknown time units: " + ephemerisData.timeUnits); } this.units.time = ephemerisData.timeUnits; } if (ephemerisData.ephemerisType) { if (!EPHEM_TYPES.has(ephemerisData.ephemerisType)) { - throw new Error("Unknown ephemeris type: ".concat(ephemerisData.ephemerisType)); + throw new Error("Unknown ephemeris type: " + ephemerisData.ephemerisType); } this.ephemType = ephemerisData.ephemerisType; } if (ephemerisData.interpolationType) { if (!INTERPOLATION_TYPES.has(ephemerisData.interpolationType)) { - throw new Error("Unknown interpolation type: ".concat(ephemerisData.interpolationType)); + throw new Error("Unknown interpolation type: " + ephemerisData.interpolationType); } this.interpolationType = ephemerisData.interpolationType; } if (ephemerisData.interpolationOrder !== undefined) { if (ephemerisData.interpolationOrder < 1 || ephemerisData.interpolationOrder > MAX_INTERPOLATION_ORDER) { - throw new Error("Interpolation order must be >0 and <".concat(MAX_INTERPOLATION_ORDER, ": ").concat(ephemerisData.interpolationOrder)); + throw new Error("Interpolation order must be >0 and <" + MAX_INTERPOLATION_ORDER + ": " + ephemerisData.interpolationOrder); } this.interpolationOrder = ephemerisData.interpolationOrder; } @@ -124,6 +120,18 @@ var EphemerisTable = /** @class */ (function () { }); } } + /** + * Returns the first Julian date in the ephemeris table. + */ + EphemerisTable.prototype.getStartJd = function () { + return this.data[0][0]; + }; + /** + * Returns the last Julian date in the ephemeris table. + */ + EphemerisTable.prototype.getStopJd = function () { + return this.data[this.data.length - 1][0]; + }; /** * Calculates the interpolated position for the given requested date. If the requested date is before the first * point it returns the first point. If the requested date is after the last point it returns the last point. diff --git a/build/typescript/KeplerParticles.d.ts b/build/typescript/KeplerParticles.d.ts index 97fa2c1..e120b36 100644 --- a/build/typescript/KeplerParticles.d.ts +++ b/build/typescript/KeplerParticles.d.ts @@ -1,7 +1,7 @@ import * as THREE from 'three'; import { Coordinate3d } from './Coordinates'; import type { Ephem } from './Ephem'; -import type { Simulation } from './Simulation'; +import { Simulation, SimulationObject } from "./Simulation"; interface BaseKeplerParticleOptions { color?: number; textureUrl?: string; @@ -20,7 +20,7 @@ declare type KeplerParticleOptions = BaseKeplerParticleOptions & { * Primarily used by Simulation to render all non-static objects. * @see Simulation */ -export declare class KeplerParticles { +export declare class KeplerParticles implements SimulationObject { static instanceCount: number; private id; private options; @@ -60,6 +60,26 @@ export declare class KeplerParticles { * @param offset */ hideParticle(offset: number): void; + /** + * Shows a previously hidden particle. + * @param offset + */ + showParticle(offset: number): void; + isParticleVisible(offset: number): boolean; + /** + * Shows a previously hidden particle. + * @param is_visible + * @param offset + */ + setParticleVisibility(is_visible: boolean, offset: number): void; + /** + * Is at least one particle visible? + */ + isVisible(): boolean; + /** + * Hide or show all particles globally using the parent object visible property. + */ + setVisibility(value: boolean): void; /** * Changes the size of the particle at the given offset to the given size. Setting the size to 0 hides the particle. * @param {Number} size The new size of this particle @@ -93,5 +113,9 @@ export declare class KeplerParticles { * @return {String} Unique id */ getId(): string; + /** + * Free all GPU resources + */ + removalCleanup(): void; } export {}; diff --git a/build/typescript/KeplerParticles.js b/build/typescript/KeplerParticles.js index 1823208..b7aba2b 100644 --- a/build/typescript/KeplerParticles.js +++ b/build/typescript/KeplerParticles.js @@ -1,11 +1,7 @@ "use strict"; var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { if (k2 === undefined) k2 = k; - var desc = Object.getOwnPropertyDescriptor(m, k); - if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) { - desc = { enumerable: true, get: function() { return m[k]; } }; - } - Object.defineProperty(o, k2, desc); + Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } }); }) : (function(o, m, k, k2) { if (k2 === undefined) k2 = k; o[k2] = m[k]; @@ -28,6 +24,7 @@ var THREE = __importStar(require("three")); var util_1 = require("./util"); var shaders_1 = require("./shaders"); var Orbit_1 = require("./Orbit"); +var three_1 = require("three"); var DEFAULT_PARTICLE_COUNT = 4096; /** * Compute mean anomaly at date. Used for elliptical and hyperbolic orbits. @@ -63,7 +60,8 @@ var KeplerParticles = /** @class */ (function () { function KeplerParticles(options, contextOrSimulation) { var _this = this; this.options = options; - this.id = "KeplerParticles__".concat(KeplerParticles.instanceCount); + this.id = "KeplerParticles__" + KeplerParticles.instanceCount; + KeplerParticles.instanceCount++; this.simulation = contextOrSimulation; this.context = contextOrSimulation.getContext(); // Whether Points object has been added to the Simulation/Scene. This @@ -77,11 +75,12 @@ var KeplerParticles = /** @class */ (function () { } var defaultMapTexture = (0, util_1.getThreeJsTexture)(this.options.textureUrl, this.context.options.basePath); this.uniforms = { - texture: { value: defaultMapTexture } + tex: { value: defaultMapTexture } }; var particleCount = this.options.maxNumParticles || DEFAULT_PARTICLE_COUNT; this.elements = []; this.attributes = { + visible: new THREE.BufferAttribute(new Float32Array(particleCount), 1), size: new THREE.BufferAttribute(new Float32Array(particleCount), 1), origin: new THREE.BufferAttribute(new Float32Array(particleCount * 3), 3), position: new THREE.BufferAttribute(new Float32Array(particleCount * 3), 3), @@ -106,6 +105,8 @@ var KeplerParticles = /** @class */ (function () { var attribute = _this.attributes[attributeName]; geometry.setAttribute(attributeName, attribute); }); + // needs to be set, otherwise Three will hide the particles when the origin is not in the camera view + geometry.boundingSphere = new three_1.Sphere(new three_1.Vector3(0, 0, 0), Infinity); var shader = new THREE.ShaderMaterial({ uniforms: this.uniforms, vertexShader: (0, shaders_1.getOrbitShaderVertex)(), @@ -117,6 +118,7 @@ var KeplerParticles = /** @class */ (function () { this.shaderMaterial = shader; this.geometry = geometry; this.particleSystem = new THREE.Points(geometry, shader); + this.particleSystem.name = this.id; } /** * Add a particle to this particle system. @@ -131,6 +133,7 @@ var KeplerParticles = /** @class */ (function () { this.elements.push(ephem); var attributes = this.attributes; var offset = this.particleCount++; + attributes.visible.set([1.0], offset); attributes.size.set([options.particleSize || this.options.defaultSize || 15], offset); var color = new THREE.Color(options.color || 0xffffff); attributes.fuzzColor.set([color.r, color.g, color.b], offset * 3); @@ -168,14 +171,46 @@ var KeplerParticles = /** @class */ (function () { * @param offset */ KeplerParticles.prototype.hideParticle = function (offset) { + this.setParticleVisibility(false, offset); + }; + /** + * Shows a previously hidden particle. + * @param offset + */ + KeplerParticles.prototype.showParticle = function (offset) { + this.setParticleVisibility(true, offset); + }; + KeplerParticles.prototype.isParticleVisible = function (offset) { + return offset >= 0 && offset < this.particleCount && this.attributes.visible.array[offset] > 0.5; + }; + /** + * Shows a previously hidden particle. + * @param is_visible + * @param offset + */ + KeplerParticles.prototype.setParticleVisibility = function (is_visible, offset) { var attributes = this.attributes; - attributes.size.set([0], offset); + attributes.visible.set([is_visible ? 1.0 : 0.0], offset); for (var attributeKey in attributes) { if (attributes.hasOwnProperty(attributeKey)) { attributes[attributeKey].needsUpdate = true; } } }; + /** + * Is at least one particle visible? + */ + KeplerParticles.prototype.isVisible = function () { + return this.particleCount > 0 + && this.particleSystem.visible + && this.attributes.visible.array.slice(0, this.particleCount).some(function (visible) { return visible > 0.5; }); + }; + /** + * Hide or show all particles globally using the parent object visible property. + */ + KeplerParticles.prototype.setVisibility = function (value) { + this.particleSystem.visible = value; + }; /** * Changes the size of the particle at the given offset to the given size. Setting the size to 0 hides the particle. * @param {Number} size The new size of this particle @@ -221,6 +256,7 @@ var KeplerParticles = /** @class */ (function () { KeplerParticles.prototype.update = function (jd) { var Ms = []; var a0s = []; + var max_r = 0; for (var i = 0; i < this.elements.length; i++) { var ephem = this.elements[i]; var M = void 0, a0 = void 0; @@ -234,6 +270,7 @@ var KeplerParticles = /** @class */ (function () { } Ms.push(M); a0s.push(a0); + max_r = Math.max(max_r, ephem.get('q') * (1 + ephem.get('e'))); } this.attributes.M.set(Ms); this.attributes.M.needsUpdate = true; @@ -254,6 +291,14 @@ var KeplerParticles = /** @class */ (function () { KeplerParticles.prototype.getId = function () { return this.id; }; + /** + * Free all GPU resources + */ + KeplerParticles.prototype.removalCleanup = function () { + this.geometry.dispose(); + this.shaderMaterial.dispose(); + this.uniforms.tex.value.dispose(); + }; return KeplerParticles; }()); exports.KeplerParticles = KeplerParticles; diff --git a/build/typescript/Math.js b/build/typescript/Math.js index 09c32b8..2075fe9 100644 --- a/build/typescript/Math.js +++ b/build/typescript/Math.js @@ -35,10 +35,10 @@ function interpolate(data, xValue, sampleRowMin, sampleRowMax, xIndex, yIndex) { } var maxColumn = data[0].length - 1; if (xIndex < 0 || xIndex > maxColumn) { - throw "xIndex has to be between 0 and ".concat(maxColumn, ": ").concat(xIndex); + throw "xIndex has to be between 0 and " + maxColumn + ": " + xIndex; } if (yIndex < 0 || yIndex > maxColumn) { - throw "yIndex has to be between 0 and ".concat(maxColumn, ": ").concat(yIndex); + throw "yIndex has to be between 0 and " + maxColumn + ": " + yIndex; } var sum = 0; for (var j = sampleRowMin; j <= sampleRowMax; j++) { diff --git a/build/typescript/Orbit.d.ts b/build/typescript/Orbit.d.ts index 4055d4e..9e681a6 100644 --- a/build/typescript/Orbit.d.ts +++ b/build/typescript/Orbit.d.ts @@ -2,6 +2,7 @@ import * as THREE from 'three'; import { Ephem } from './Ephem'; import { EphemerisTable } from './EphemerisTable'; import type { Coordinate3d } from './Coordinates'; +import { SpaceObject } from "./SpaceObject"; export declare enum OrbitType { UNKNOWN = 0, PARABOLIC = 1, @@ -16,6 +17,8 @@ interface OrbitOptions { leadDurationYears?: number; trailDurationYears?: number; numberSamplePoints?: number; + eclipticLineSparsity?: number; + drawHeliocentric?: boolean; }; } /** @@ -54,6 +57,10 @@ export declare class Orbit { * in order to illustrate depth (defaults to 0x333333). */ constructor(ephem: Ephem | EphemerisTable, options: OrbitOptions); + /** + * Is orbit heliocentric or not + */ + isHeliocentric(): boolean; /** * Get heliocentric position of object at a given JD. * @param {Number} jd Date value in JD. @@ -84,9 +91,10 @@ export declare class Orbit { * Calculates, caches, and returns the orbit state for this orbit around this time * @param {Number} jd center time of the orbit (only used for ephemeris table ephemeris) * @param {boolean} forceCompute forces the recomputing of the orbit on this call + * @param {SpaceObject} orbitAround the object to orbit around * @return {THREE.Line} */ - getOrbitShape(jd?: number, forceCompute?: boolean): THREE.Line; + getOrbitShape(jd?: number, forceCompute?: boolean, orbitAround?: SpaceObject): THREE.Line; /** * Compute a line between a given date range. * @private @@ -98,6 +106,7 @@ export declare class Orbit { * @param {Number} startJd start of orbit in JDate format * @param {Number} stopJd end of orbit in JDate format * @param {Number} step step size in days + * @param {SpaceObject} orbitAround the object to orbit around * @return {THREE.Line} */ private getTableOrbit; @@ -106,6 +115,11 @@ export declare class Orbit { * @return {THREE.Line} The ellipse object that represents this orbit. */ private getEllipse; + /** + * @private + * @return {THREE.Line} The ellipse object around an orbit, in heliocentric frame. + */ + private getEllipseAround; /** * @private * @return {THREE.Vector3[]} A THREE.js geometry @@ -145,6 +159,10 @@ export declare class Orbit { * @param {boolean} val Whether to show the orbital ellipse. */ setVisibility(val: boolean): void; + /** + * Free up GPU resources + */ + removalCleanup(): void; /** * Get the type of orbit. Returns one of OrbitType.PARABOLIC, HYPERBOLIC, * ELLIPTICAL, or UNKNOWN. diff --git a/build/typescript/Orbit.js b/build/typescript/Orbit.js index 2ed62de..dfd5f15 100644 --- a/build/typescript/Orbit.js +++ b/build/typescript/Orbit.js @@ -1,11 +1,7 @@ "use strict"; var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { if (k2 === undefined) k2 = k; - var desc = Object.getOwnPropertyDescriptor(m, k); - if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) { - desc = { enumerable: true, get: function() { return m[k]; } }; - } - Object.defineProperty(o, k2, desc); + Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } }); }) : (function(o, m, k, k2) { if (k2 === undefined) k2 = k; o[k2] = m[k]; @@ -44,10 +40,14 @@ var OrbitType; var sin = Math.sin, cos = Math.cos, sqrt = Math.sqrt; var DEFAULT_LEAD_TRAIL_YEARS = 10; var DEFAULT_SAMPLE_POINTS = 360; +var DEFAULT_ECLIPTIC_LINE_SPARSITY = 1; +var DEFAULT_DRAW_HELIOCENTRIC = false; var DEFAULT_ORBIT_PATH_SETTINGS = { leadDurationYears: DEFAULT_LEAD_TRAIL_YEARS, trailDurationYears: DEFAULT_LEAD_TRAIL_YEARS, - numberSamplePoints: DEFAULT_SAMPLE_POINTS + numberSamplePoints: DEFAULT_SAMPLE_POINTS, + eclipticLineSparsity: DEFAULT_ECLIPTIC_LINE_SPARSITY, + drawHeliocentric: DEFAULT_DRAW_HELIOCENTRIC }; /** * Special cube root function that assumes input is always positive. @@ -83,7 +83,7 @@ var Orbit = /** @class */ (function () { * in order to illustrate depth (defaults to 0x333333). */ function Orbit(ephem, options) { - var _a, _b, _c; + var _a; /** * Ephem object * @type {(Ephem | EphemerisTable)} @@ -96,21 +96,7 @@ var Orbit = /** @class */ (function () { /** * configuring orbit path lead/trail data */ - if (!this.options.orbitPathSettings) { - this.options.orbitPathSettings = JSON.parse(JSON.stringify(DEFAULT_ORBIT_PATH_SETTINGS)); - } - if (!((_a = this.options.orbitPathSettings) === null || _a === void 0 ? void 0 : _a.leadDurationYears)) { - this.options.orbitPathSettings.leadDurationYears = - DEFAULT_LEAD_TRAIL_YEARS; - } - if (!((_b = this.options.orbitPathSettings) === null || _b === void 0 ? void 0 : _b.trailDurationYears)) { - this.options.orbitPathSettings.trailDurationYears = - DEFAULT_LEAD_TRAIL_YEARS; - } - if (!((_c = this.options.orbitPathSettings) === null || _c === void 0 ? void 0 : _c.numberSamplePoints)) { - this.options.orbitPathSettings.numberSamplePoints = - DEFAULT_SAMPLE_POINTS; - } + this.options.orbitPathSettings = Object.assign({}, DEFAULT_ORBIT_PATH_SETTINGS, (_a = this.options.orbitPathSettings) !== null && _a !== void 0 ? _a : {}); /** * Cached orbital points. * @type {Array.} @@ -137,6 +123,13 @@ var Orbit = /** @class */ (function () { */ this.orbitType = Orbit.getOrbitType(this.ephem); } + /** + * Is orbit heliocentric or not + */ + Orbit.prototype.isHeliocentric = function () { + var _a, _b; + return (_b = (_a = this.options.orbitPathSettings) === null || _a === void 0 ? void 0 : _a.drawHeliocentric) !== null && _b !== void 0 ? _b : DEFAULT_DRAW_HELIOCENTRIC; + }; /** * Get heliocentric position of object at a given JD. * @param {Number} jd Date value in JD. @@ -332,9 +325,11 @@ var Orbit = /** @class */ (function () { * Calculates, caches, and returns the orbit state for this orbit around this time * @param {Number} jd center time of the orbit (only used for ephemeris table ephemeris) * @param {boolean} forceCompute forces the recomputing of the orbit on this call + * @param {SpaceObject} orbitAround the object to orbit around * @return {THREE.Line} */ - Orbit.prototype.getOrbitShape = function (jd, forceCompute) { + Orbit.prototype.getOrbitShape = function (jd, forceCompute, orbitAround) { + var _a, _b, _c, _d, _e; if (forceCompute === void 0) { forceCompute = false; } if (forceCompute) { if (this.orbitShape) { @@ -353,32 +348,34 @@ var Orbit = /** @class */ (function () { // Orbit shape is already computed. return this.orbitShape; } - if (this.orbitType === OrbitType.ELLIPTICAL) { - return this.getEllipse(); - } // Decide on a time range to draw orbits. - // TODO(ian): Should we compute around current position, not time of perihelion? - var tp; - if (this.ephem instanceof EphemerisTable_1.EphemerisTable) { - tp = jd; + if (this.orbitType === OrbitType.TABLE && this.ephem instanceof EphemerisTable_1.EphemerisTable) { + this.orbitStart = this.ephem.getStartJd(); + this.orbitStop = this.ephem.getStopJd(); + } + else if (this.orbitType !== OrbitType.TABLE && !(this.ephem instanceof EphemerisTable_1.EphemerisTable)) { + // TODO(ian): Should we compute around current position, not time of perihelion? + // Use current date as a fallback if time of perihelion is not available. + var tp = (_a = jd !== null && jd !== void 0 ? jd : this.ephem.getUnsafe('tp')) !== null && _a !== void 0 ? _a : julian_1["default"].toJulianDay(new Date()); + this.orbitStart = tp - this.options.orbitPathSettings.trailDurationYears * 365.25; + this.orbitStop = tp + this.options.orbitPathSettings.leadDurationYears * 365.25; } else { - tp = this.ephem.getUnsafe('tp'); + throw new Error("if this.orbitType == OrbitType.TABLE, then this.ephem needs to be an instance of EphemerisTable and vice versa"); } - // Use current date as a fallback if time of perihelion is not available. - var centerDate = tp ? tp : julian_1["default"].toJulianDay(new Date()); - var startJd = centerDate - this.options.orbitPathSettings.trailDurationYears * 365.25; - var endJd = centerDate + this.options.orbitPathSettings.leadDurationYears * 365.25; - var step = (endJd - startJd) / this.options.orbitPathSettings.numberSamplePoints; - this.orbitStart = startJd; - this.orbitStop = endJd; + var step = (this.orbitStop - this.orbitStart) / this.options.orbitPathSettings.numberSamplePoints; switch (this.orbitType) { + case OrbitType.ELLIPTICAL: + if (((_b = this.options.orbitPathSettings) === null || _b === void 0 ? void 0 : _b.drawHeliocentric) && orbitAround) { + return this.getEllipseAround(this.orbitStart, this.orbitStop, step, orbitAround); + } + return this.getEllipse(); case OrbitType.HYPERBOLIC: - return this.getLine(this.getPositionAtTimeHyperbolic.bind(this), startJd, endJd, step); + return this.getLine(this.getPositionAtTimeHyperbolic.bind(this), this.orbitStart, this.orbitStop, step, ((_c = this.options.orbitPathSettings) === null || _c === void 0 ? void 0 : _c.drawHeliocentric) ? orbitAround : undefined); case OrbitType.PARABOLIC: - return this.getLine(this.getPositionAtTimeNearParabolic.bind(this), startJd, endJd, step); + return this.getLine(this.getPositionAtTimeNearParabolic.bind(this), this.orbitStart, this.orbitStop, step, ((_d = this.options.orbitPathSettings) === null || _d === void 0 ? void 0 : _d.drawHeliocentric) ? orbitAround : undefined); case OrbitType.TABLE: - return this.getTableOrbit(startJd, endJd, step); + return this.getTableOrbit(this.orbitStart, this.orbitStop, step, ((_e = this.options.orbitPathSettings) === null || _e === void 0 ? void 0 : _e.drawHeliocentric) ? orbitAround : undefined); default: throw new Error('Unknown orbit shape'); } @@ -387,10 +384,16 @@ var Orbit = /** @class */ (function () { * Compute a line between a given date range. * @private */ - Orbit.prototype.getLine = function (orbitFn, startJd, endJd, step) { + Orbit.prototype.getLine = function (orbitFn, startJd, endJd, step, orbitAround) { var points = []; for (var jd = startJd; jd <= endJd; jd += step) { var pos = orbitFn(jd); + if (orbitAround) { + var parentPos = orbitAround.getPosition(jd); + pos[0] += parentPos[0]; + pos[1] += parentPos[1]; + pos[2] += parentPos[2]; + } points.push(new THREE.Vector3(pos[0], pos[1], pos[2])); } return this.generateAndCacheOrbitShape(points); @@ -401,9 +404,10 @@ var Orbit = /** @class */ (function () { * @param {Number} startJd start of orbit in JDate format * @param {Number} stopJd end of orbit in JDate format * @param {Number} step step size in days + * @param {SpaceObject} orbitAround the object to orbit around * @return {THREE.Line} */ - Orbit.prototype.getTableOrbit = function (startJd, stopJd, step) { + Orbit.prototype.getTableOrbit = function (startJd, stopJd, step, orbitAround) { if (this.ephem instanceof Ephem_1.Ephem) { throw new Error('Attempted to compute table orbit on non-table ephemeris'); } @@ -411,6 +415,14 @@ var Orbit = /** @class */ (function () { var points = rawPoints .map(function (values) { return (0, Scale_1.rescaleArray)(values); }) .map(function (values) { return new THREE.Vector3(values[0], values[1], values[2]); }); + if (orbitAround) { + points.forEach(function (point, idx) { + var parentPos = orbitAround.getPosition(startJd + idx * step); + point.x += parentPos[0]; + point.y += parentPos[1]; + point.z += parentPos[2]; + }); + } return this.generateAndCacheOrbitShape(points); }; /** @@ -421,6 +433,19 @@ var Orbit = /** @class */ (function () { var points = this.getEllipsePoints(); return this.generateAndCacheOrbitShape(points); }; + /** + * @private + * @return {THREE.Line} The ellipse object around an orbit, in heliocentric frame. + */ + Orbit.prototype.getEllipseAround = function (startJd, stopJd, step, orbitAround) { + var pts = []; + for (var jd = startJd; jd <= stopJd; jd += step) { + var parentPos = orbitAround.getPosition(jd); + var pos = this.getPositionAtTimeElliptical(jd, false); + pts.push(new THREE.Vector3(parentPos[0] + pos[0], parentPos[1] + pos[1], parentPos[2] + pos[2])); + } + return this.generateAndCacheOrbitShape(pts); + }; /** * @private * @return {THREE.Vector3[]} A THREE.js geometry @@ -433,7 +458,7 @@ var Orbit = /** @class */ (function () { var a = eph.get('a'); var ecc = eph.get('e'); var twoPi = Math.PI * 2; - var step = twoPi / 90; + var step = twoPi / this.options.orbitPathSettings.numberSamplePoints; var pts = []; for (var E = 0; E < twoPi; E += step) { var v = 2 * Math.atan(sqrt((1 + ecc) / (1 - ecc)) * Math.tan(E / 2)); @@ -453,6 +478,11 @@ var Orbit = /** @class */ (function () { * @return {THREE.Line} Line object */ Orbit.prototype.generateAndCacheOrbitShape = function (pointVectors) { + if (this.orbitShape) { + // clean up before creating new resources + this.orbitShape.geometry.dispose(); + this.orbitShape.material.dispose(); + } this.orbitPoints = pointVectors; this.orbitShape = new THREE.Line(new THREE.BufferGeometry().setFromPoints(pointVectors), new THREE.LineBasicMaterial({ color: new THREE.Color(this.options.color || 0x444444) @@ -479,9 +509,11 @@ var Orbit = /** @class */ (function () { var points = this.orbitPoints || []; var filteredPoints = []; points.forEach(function (vertex, idx) { + var _a, _b; // Drop last point because it's a repeat of the first point. if (idx === points.length - 1 && - _this.orbitType === OrbitType.ELLIPTICAL) { + _this.orbitType === OrbitType.ELLIPTICAL || + (idx % ((_b = (_a = _this.options.orbitPathSettings) === null || _a === void 0 ? void 0 : _a.eclipticLineSparsity) !== null && _b !== void 0 ? _b : 1) != 0)) { return; } filteredPoints.push(vertex); @@ -523,6 +555,20 @@ var Orbit = /** @class */ (function () { */ Orbit.prototype.setVisibility = function (val) { this.getOrbitShape().visible = val; + this.getLinesToEcliptic().visible = val; + }; + /** + * Free up GPU resources + */ + Orbit.prototype.removalCleanup = function () { + if (this.orbitShape) { + this.orbitShape.geometry.dispose(); + this.orbitShape.material.dispose(); + } + if (this.eclipticDropLines) { + this.eclipticDropLines.geometry.dispose(); + this.eclipticDropLines.material.dispose(); + } }; /** * Get the type of orbit. Returns one of OrbitType.PARABOLIC, HYPERBOLIC, @@ -535,7 +581,7 @@ var Orbit = /** @class */ (function () { return OrbitType.TABLE; } var e = ephem.get('e'); - if (e > 0.9 && e < 1.2) { + if (e >= 0.999 && e < 1.2) { return OrbitType.PARABOLIC; } if (e > 1.2) { diff --git a/build/typescript/RotatingObject.d.ts b/build/typescript/RotatingObject.d.ts index 883f137..89a8b72 100644 --- a/build/typescript/RotatingObject.d.ts +++ b/build/typescript/RotatingObject.d.ts @@ -8,12 +8,12 @@ import type { SpaceObjectOptions } from './SpaceObject'; */ export declare class RotatingObject extends SpaceObject { protected _obj: THREE.Object3D; - protected _materials: THREE.Material[]; private _objectIsRotatable; private _axisOfRotation?; constructor(id: string, options: SpaceObjectOptions, simulation: Simulation, autoInit?: boolean); init(): boolean; initRotation(): void; + _z_rotation(jd: number): number | undefined; /** * Updates the object and its label positions for a given time. * @param {Number} jd JD date diff --git a/build/typescript/RotatingObject.js b/build/typescript/RotatingObject.js index 1566693..ebfecfd 100644 --- a/build/typescript/RotatingObject.js +++ b/build/typescript/RotatingObject.js @@ -16,11 +16,7 @@ var __extends = (this && this.__extends) || (function () { })(); var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { if (k2 === undefined) k2 = k; - var desc = Object.getOwnPropertyDescriptor(m, k); - if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) { - desc = { enumerable: true, get: function() { return m[k]; } }; - } - Object.defineProperty(o, k2, desc); + Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } }); }) : (function(o, m, k, k2) { if (k2 === undefined) k2 = k; o[k2] = m[k]; @@ -73,7 +69,7 @@ var RotatingObject = /** @class */ (function (_super) { * FIXME(ian): This implementation is still WIP! Rotational parameters are not * used right now. * @param {boolean} options.rotation.enable Rotate the object - * @param {Number} options.rotation.speed Factor that determines speed of rotation + * @param {Number} options.rotation.speed Rotates the object even though no time elapsed, degs/rendering tick * @param {Number} options.rotation.lambdaDeg Ecliptic longitude lambda, in degrees * @param {Number} options.rotation.betaDeg Ecliptic longitude beta, in degrees * @param {Number} options.rotation.period Rotational period, in JD @@ -87,17 +83,13 @@ var RotatingObject = /** @class */ (function (_super) { var _this = _super.call(this, id, options, simulation, false /* autoInit */) || this; // The THREE.js object _this._obj = new THREE.Object3D(); + _this._obj.name = _this._id + "-rot-obj"; _this._renderMethod = 'ROTATING_OBJECT'; _super.prototype.setPositionedObject.call(_this, _this._obj); - _this._objectIsRotatable = false; - if (_this._options.rotation) { - _this._objectIsRotatable = true; - } + _this._objectIsRotatable = !!_this._options.rotation; // Offset of axis angle // this._axisRotationAngleOffset = 0; _this._axisOfRotation = undefined; - // Keep track of materials that comprise this object. - _this._materials = []; if (autoInit) { _this.init(); } @@ -110,11 +102,17 @@ var RotatingObject = /** @class */ (function (_super) { } if (this._options.debug) { if (this._options.debug.showAxes) { - getAxes().forEach(function (axis) { return _this._obj.add(axis); }); + getAxes().forEach(function (axis) { + _this._materials.push(axis.material); + _this._geometries.push(axis.geometry); + _this._obj.add(axis); + }); } if (this._options.debug.showGrid) { var gridHelper = new THREE.GridHelper(3, 3, 0xff0000, 0xffeeee); gridHelper.geometry.rotateX(Math.PI / 2); + this._materials.push(gridHelper.material); + this._geometries.push(gridHelper.geometry); this._obj.add(gridHelper); } } @@ -133,30 +131,37 @@ var RotatingObject = /** @class */ (function (_super) { // Testing this asteroid: // http://astro.troja.mff.cuni.cz/projects/asteroids3D/web.php?page=db_asteroid_detail&asteroid_id=1504 // Model 2691 - var PI = Math.PI; // Cacus // http://astro.troja.mff.cuni.cz/projects/asteroids3D/web.php?page=db_asteroid_detail&asteroid_id=1046 // http://astro.troja.mff.cuni.cz/projects/asteroids3D/php.php?script=db_sky_projection&model_id=1863&jd=2443568.0 - // Latitude - var lambda = Units_1["default"].rad(rotation.lambdaDeg || 0); - // Longitude - var beta = Units_1["default"].rad(rotation.betaDeg || 0); - // Other - var P = rotation.period; - var YORP = rotation.yorp || 0; - var phi0 = Units_1["default"].rad(rotation.phi0 || 0); + // North Pole Ecliptic Longitude + var eLon = Units_1["default"].rad(rotation.lambdaDeg || 0); + // North Pole Ecliptic Latitude + var eLat = Units_1["default"].rad(rotation.betaDeg || 0); + // Current simulation time in JD var JD = this._simulation.getJd(); - var JD0 = rotation.jd0; - // Asteroid rotation - // this._obj.rotateOnWorldAxis(new THREE.Vector3(0, 0, 1), lambda); - // this._obj.rotateOnWorldAxis(new THREE.Vector3(0, 1, 0), beta); - // Adjust Z axis according to time. - var zAdjust = phi0 + - ((2 * PI) / P) * (JD - JD0) + - (1 / 2) * YORP * Math.pow(JD - JD0, 2); - this._obj.rotateY(-(PI / 2 - beta)); - this._obj.rotateZ(-lambda); - this._obj.rotateZ(zAdjust); + // Z axis is ecliptic North, X towards the sun at March equinox, Y is 90 deg to the east from X. + // Assume the object's Z-axis is its rotation axis. Rotate it to point to (lambda, beta). + // see Fig. 1 from https://astropedia.astrogeology.usgs.gov/download/Docs/WGCCRE/WGCCRE2015reprint.pdf + // NOTE: the above reference seems to have a mistake as it says 90deg - a0, whereas 90deg + a0 seems to be correct. + var W = this._z_rotation(JD); + if (typeof W !== 'undefined') { + this._obj.rotateZ((Math.PI / 2) + eLon); // Rotate X-axis to the body equator + this._obj.rotateX((Math.PI / 2) - eLat); // Rotate Z-axis to the correct lat and lon + this._obj.rotateZ(W); // Rotate around the Z-axis to spin the body the correct amount + } + }; + RotatingObject.prototype._z_rotation = function (jd) { + if (typeof this._options.rotation === 'undefined') { + return undefined; + } + var _a = this._options.rotation, period = _a.period, yorp = _a.yorp, phi0 = _a.phi0, jd0 = _a.jd0; + if (typeof jd0 === 'undefined') { + return undefined; + } + return (Units_1["default"].rad(phi0 || 0) + + ((2 * Math.PI) / period) * (jd - jd0) + + (1 / 2) * (yorp || 0) * Math.pow(jd - jd0, 2)) % (2 * Math.PI); }; /** * Updates the object and its label positions for a given time. @@ -168,16 +173,20 @@ var RotatingObject = /** @class */ (function (_super) { this._objectIsRotatable && this._options.rotation && this._options.rotation.enable) { - // For now, just rotate on X axis. - var speed = this._options.rotation.speed || 0.5; - this._obj.rotation.z += speed * (Math.PI / 180); - this._obj.rotation.z %= 360; - } - if (this._axisOfRotation) { - // this._obj.rotateOnAxis(this._axisOfRotation, 0.01); + if (this._axisOfRotation) { + // this._obj.rotateOnAxis(this._axisOfRotation, 0.01); + } + if (this._options.rotation.speed) { + this._obj.rotateZ(Units_1["default"].rad(this._options.rotation.speed)); + } + else { + // Rotate the object around the Z axis + var z_rot = this._z_rotation(jd); + if (typeof z_rot !== 'undefined') { + this._obj.rotation.z = z_rot; + } + } } - // this._obj.rotateZ(0.015) - // this._obj.rotateOnWorldAxis(new THREE.Vector3(0, 0, 1), 0.01); // Update position _super.prototype.update.call(this, jd, force); }; @@ -187,8 +196,7 @@ var RotatingObject = /** @class */ (function (_super) { */ RotatingObject.prototype.get3jsObjects = function () { var ret = _super.prototype.get3jsObjects.call(this); - // Add to the front, because this is the primary object. - ret.unshift(this._obj); + // NOTE: super.setPositionedObject(this._obj) in constructor already includes this._obj in the list return ret; }; /** diff --git a/build/typescript/ShapeObject.js b/build/typescript/ShapeObject.js index 02fd905..ab4e5ce 100644 --- a/build/typescript/ShapeObject.js +++ b/build/typescript/ShapeObject.js @@ -16,11 +16,7 @@ var __extends = (this && this.__extends) || (function () { })(); var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { if (k2 === undefined) k2 = k; - var desc = Object.getOwnPropertyDescriptor(m, k); - if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) { - desc = { enumerable: true, get: function() { return m[k]; } }; - } - Object.defineProperty(o, k2, desc); + Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } }); }) : (function(o, m, k, k2) { if (k2 === undefined) k2 = k; o[k2] = m[k]; @@ -76,7 +72,7 @@ var __generator = (this && this.__generator) || function (thisArg, body) { exports.__esModule = true; exports.ShapeObject = void 0; var THREE = __importStar(require("three")); -var OBJLoader_1 = require("three/examples/jsm/loaders/OBJLoader"); +var OBJLoader_js_1 = require("three/examples/jsm/loaders/OBJLoader.js"); var RotatingObject_1 = require("./RotatingObject"); var ShapeObject = /** @class */ (function (_super) { __extends(ShapeObject, _super); @@ -94,9 +90,8 @@ var ShapeObject = /** @class */ (function (_super) { * @see RotatingObject */ function ShapeObject(id, options, simulation) { - var _this = this; var _a; - _this = _super.call(this, id, options, simulation, false /* autoInit */) || this; + var _this = _super.call(this, id, options, simulation, false /* autoInit */) || this; if (!options.shape) { throw new Error('ShapeObject requires an options.shape object'); } @@ -109,7 +104,7 @@ var ShapeObject = /** @class */ (function (_super) { console.info(_this._id, item, 'loading progress:', loaded, '/', total); }; _this.loadingPromise = new Promise(function (resolve) { - var loader = new OBJLoader_1.OBJLoader(manager); + var loader = new OBJLoader_js_1.OBJLoader(manager); // TODO(ian): Make shapeurl follow assetpath logic. loader.load(options.shape.shapeUrl, function (object) { object.traverse(function (child) { @@ -124,9 +119,14 @@ var ShapeObject = /** @class */ (function (_super) { child.geometry.computeVertexNormals(); child.geometry.computeBoundingBox(); */ + _this._geometries.push(child.geometry); _this._materials.push(material); + if (material.map) { + _this._textures.push(material.map); + } } }); + object.name = _this._id + "-shape-obj"; _this.shapeObj = object; _this._obj.add(object); if (_this._simulation) { diff --git a/build/typescript/Simulation.d.ts b/build/typescript/Simulation.d.ts index 1f374be..9ad0c8d 100644 --- a/build/typescript/Simulation.d.ts +++ b/build/typescript/Simulation.d.ts @@ -1,6 +1,6 @@ import * as THREE from 'three'; import { EffectComposer } from 'postprocessing'; -import type { Scene, Vector3, WebGL1Renderer } from 'three'; +import type { Scene, Vector3, WebGLRenderer } from 'three'; import Camera from './Camera'; import { KeplerParticles } from './KeplerParticles'; import { NaturalSatellites } from './EphemPresets'; @@ -15,6 +15,9 @@ export interface SimulationObject { update: (jd: number, force: boolean) => void; get3jsObjects(): THREE.Object3D[]; getId(): string; + removalCleanup: () => void; + setVisibility: (visible: boolean) => void; + isVisible: () => boolean; } interface CameraOptions { initialPosition?: Coordinate3d; @@ -43,7 +46,7 @@ export interface SimulationContext { simulation: Simulation; options: SpacekitOptions; objects: { - renderer: WebGL1Renderer; + renderer: WebGLRenderer; camera: Camera; scene: Scene; particles: KeplerParticles; @@ -97,6 +100,7 @@ export declare class Simulation { private useLightSources; private lightPosition?; private subscribedObjects; + private neverUpdatedObjects; private particles; private stats?; private fps; @@ -195,11 +199,20 @@ export declare class Simulation { * animated. */ addObject(obj: SimulationObject, noUpdate?: boolean): void; + /** + * Get an object previously added to the simulation. + * @return {Object} The SimulationObject. + */ + getObject(id: string): SimulationObject | undefined; /** * Removes an object from the visualization. * @param {Object} obj Object to remove */ - removeObject(obj: SpaceObject): void; + removeObject(obj: SimulationObject): void; + /** + * Removes all objects from the visualization and free all resources. + */ + removalCleanup(): void; /** * Shortcut for creating a new SpaceObject belonging to this visualization. * Takes any SpaceObject arguments. @@ -355,9 +368,9 @@ export declare class Simulation { getScene(): THREE.Scene; /** * Get the three.js renderer - * @return {THREE.WebGL1Renderer} The THREE.js renderer + * @return {THREE.WebGLRenderer} The THREE.js renderer */ - getRenderer(): THREE.WebGL1Renderer; + getRenderer(): THREE.WebGLRenderer; /** * Enable or disable camera drift. * @param {boolean} driftOn True if you want the camera to float around a bit diff --git a/build/typescript/Simulation.js b/build/typescript/Simulation.js index 5ac45e7..f7554b1 100644 --- a/build/typescript/Simulation.js +++ b/build/typescript/Simulation.js @@ -1,11 +1,7 @@ "use strict"; var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { if (k2 === undefined) k2 = k; - var desc = Object.getOwnPropertyDescriptor(m, k); - if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) { - desc = { enumerable: true, get: function() { return m[k]; } }; - } - Object.defineProperty(o, k2, desc); + Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } }); }) : (function(o, m, k, k2) { if (k2 === undefined) k2 = k; o[k2] = m[k]; @@ -75,7 +71,7 @@ exports.Simulation = void 0; var THREE = __importStar(require("three")); // @ts-ignore var julian_1 = __importDefault(require("julian")); -var stats_module_1 = __importDefault(require("three/examples/jsm/libs/stats.module")); +var stats_module_js_1 = __importDefault(require("three/examples/jsm/libs/stats.module.js")); var postprocessing_1 = require("postprocessing"); var Camera_1 = __importDefault(require("./Camera")); var KeplerParticles_1 = require("./KeplerParticles"); @@ -183,9 +179,10 @@ var Simulation = /** @class */ (function () { this.useLightSources = false; this.lightPosition = undefined; this.subscribedObjects = {}; + this.neverUpdatedObjects = new Set(); // This makes controls.lookAt and other objects treat the positive Z axis // as "up" direction. - THREE.Object3D.DefaultUp = new THREE.Vector3(0, 0, 1); + THREE.Object3D.DEFAULT_UP = new THREE.Vector3(0, 0, 1); // Scale if (this.options.unitsPerAu) { (0, Scale_1.setScaleFactor)(this.options.unitsPerAu); @@ -264,7 +261,7 @@ var Simulation = /** @class */ (function () { this.scene.add(new THREE.AxesHelper(0.5)); } if (this.options.debug.showStats) { - this.stats = new stats_module_1["default"](); + this.stats = new stats_module_js_1["default"](); this.stats.showPanel(0); this.simulationElt.appendChild(this.stats.dom); } @@ -277,13 +274,13 @@ var Simulation = /** @class */ (function () { */ Simulation.prototype.initRenderer = function () { // TODO(ian): Upgrade to webgl 2. See https://discourse.threejs.org/t/webgl2-breaking-custom-shader/16603/4 - var renderer = new THREE.WebGL1Renderer({ + var renderer = new THREE.WebGLRenderer({ antialias: true }); console.info('Max texture resolution:', renderer.capabilities.maxTextureSize); var maxPrecision = renderer.capabilities.getMaxPrecision('highp'); if (maxPrecision !== 'highp') { - console.warn("Shader maximum precision is \"".concat(maxPrecision, "\", GPU rendering may not be accurate.")); + console.warn("Shader maximum precision is \"" + maxPrecision + "\", GPU rendering may not be accurate."); } renderer.setPixelRatio(window.devicePixelRatio); renderer.setSize(this.simulationElt.offsetWidth, this.simulationElt.offsetHeight); @@ -342,8 +339,11 @@ var Simulation = /** @class */ (function () { Simulation.prototype.update = function (force) { if (force === void 0) { force = false; } for (var objId in this.subscribedObjects) { - if (this.subscribedObjects.hasOwnProperty(objId)) { - this.subscribedObjects[objId].update(this.jd, force); + if (this.subscribedObjects.hasOwnProperty(objId) && !this.neverUpdatedObjects.has(objId)) { + var obj = this.subscribedObjects[objId]; + if (obj.isVisible()) { // dont update if not visible + obj.update(this.jd, force); + } } } }; @@ -451,14 +451,22 @@ var Simulation = /** @class */ (function () { obj.get3jsObjects().map(function (x) { _this.scene.add(x); }); - if (!noUpdate) { - // Call for updates as time passes. - var objId = obj.getId(); - if (this.subscribedObjects[objId]) { - console.error("Object id is not unique: \"".concat(objId, "\". This could prevent objects from updating correctly.")); - } - this.subscribedObjects[objId] = obj; + // Call for updates as time passes. + var objId = obj.getId(); + if (this.subscribedObjects[objId]) { + console.error("Object id is not unique: \"" + objId + "\". This could prevent objects from updating correctly."); } + this.subscribedObjects[objId] = obj; + if (noUpdate) { + this.neverUpdatedObjects.add(obj.getId()); + } + }; + /** + * Get an object previously added to the simulation. + * @return {Object} The SimulationObject. + */ + Simulation.prototype.getObject = function (id) { + return this.subscribedObjects[id]; }; /** * Removes an object from the visualization. @@ -466,6 +474,9 @@ var Simulation = /** @class */ (function () { */ Simulation.prototype.removeObject = function (obj) { var _this = this; + if (!this.subscribedObjects[obj.getId()]) { + return; // already removed + } // TODO(ian): test this and avoid memory leaks... obj.get3jsObjects().map(function (x) { _this.scene.remove(x); @@ -474,6 +485,23 @@ var Simulation = /** @class */ (function () { obj.removalCleanup(); } delete this.subscribedObjects[obj.getId()]; + this.neverUpdatedObjects["delete"](obj.getId()); + }; + /** + * Removes all objects from the visualization and free all resources. + */ + Simulation.prototype.removalCleanup = function () { + this.renderEnabled = false; + for (var objId in this.subscribedObjects) { + if (this.subscribedObjects.hasOwnProperty(objId)) { + this.removeObject(this.subscribedObjects[objId]); + } + } + var renderer = this.getRenderer(); + renderer.dispose(); + renderer.domElement.remove(); + this.scene.clear(); + renderer.forceContextLoss(); }; /** * Shortcut for creating a new SpaceObject belonging to this visualization. @@ -570,7 +598,9 @@ var Simulation = /** @class */ (function () { */ Simulation.prototype.createAmbientLight = function (color) { if (color === void 0) { color = 0x333333; } - this.scene.add(new THREE.AmbientLight(color)); + var light = new THREE.AmbientLight(color); + light.name = 'ambient-light'; + this.scene.add(light); this.useLightSources = true; }; /** @@ -604,6 +634,7 @@ var Simulation = /** @class */ (function () { this.lightPosition.set(rescaled[0], rescaled[1], rescaled[2]); pointLight.position.set(rescaled[0], rescaled[1], rescaled[2]); } + pointLight.name = 'point-light'; this.scene.add(pointLight); this.useLightSources = true; }; @@ -851,7 +882,7 @@ var Simulation = /** @class */ (function () { }; /** * Get the three.js renderer - * @return {THREE.WebGL1Renderer} The THREE.js renderer + * @return {THREE.WebGLRenderer} The THREE.js renderer */ Simulation.prototype.getRenderer = function () { return this.renderer; diff --git a/build/typescript/Skybox.d.ts b/build/typescript/Skybox.d.ts index e010763..58219cc 100644 --- a/build/typescript/Skybox.d.ts +++ b/build/typescript/Skybox.d.ts @@ -35,6 +35,12 @@ export declare class Skybox implements SimulationObject { */ getId(): string; update(): void; + isVisible(): boolean; + setVisibility(val: boolean): void; + /** + * Free all GPU resources + */ + removalCleanup(): void; } /** * Preset skybox objects that you can use to add a skybox to your diff --git a/build/typescript/Skybox.js b/build/typescript/Skybox.js index a8c705c..48d3587 100644 --- a/build/typescript/Skybox.js +++ b/build/typescript/Skybox.js @@ -1,11 +1,7 @@ "use strict"; var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { if (k2 === undefined) k2 = k; - var desc = Object.getOwnPropertyDescriptor(m, k); - if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) { - desc = { enumerable: true, get: function() { return m[k]; } }; - } - Object.defineProperty(o, k2, desc); + Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } }); }) : (function(o, m, k, k2) { if (k2 === undefined) k2 = k; o[k2] = m[k]; @@ -39,7 +35,7 @@ var Skybox = /** @class */ (function () { function Skybox(options, simulation) { // TODO(ian): Support for actual box instead of sphere... this.options = options; - this.id = "__skybox_".concat(new Date().getTime()); + this.id = "__skybox_" + new Date().getTime(); // User passed in Simulation this.simulation = simulation; this.context = simulation.getContext(); @@ -50,14 +46,16 @@ var Skybox = /** @class */ (function () { * @private */ Skybox.prototype.init = function () { - var geometry = new THREE.SphereBufferGeometry(1e10, 32, 32); + var geometry = new THREE.SphereGeometry(1e10, 32, 32); var fullTextureUrl = (0, util_1.getFullTextureUrl)(this.options.textureUrl, this.context.options.basePath); var texture = new THREE.TextureLoader().load(fullTextureUrl); + texture.colorSpace = THREE.SRGBColorSpace; var material = new THREE.MeshBasicMaterial({ map: texture, side: THREE.BackSide }); var sky = new THREE.Mesh(geometry, material); + sky.name = this.id; // See this thread on orientation of milky way: // https://www.physicsforums.com/threads/orientation-of-the-earth-sun-and-solar-system-in-the-milky-way.888643/ sky.rotation.x = 0; @@ -90,6 +88,26 @@ var Skybox = /** @class */ (function () { Skybox.prototype.update = function () { // Skyboxes don't update }; + Skybox.prototype.isVisible = function () { + var _a, _b; + return (_b = (_a = this.mesh) === null || _a === void 0 ? void 0 : _a.visible) !== null && _b !== void 0 ? _b : false; + }; + Skybox.prototype.setVisibility = function (val) { + if (this.mesh) { + this.mesh.visible = val; + } + }; + /** + * Free all GPU resources + */ + Skybox.prototype.removalCleanup = function () { + var _a; + if (this.mesh) { + this.mesh.geometry.dispose(); + this.mesh.material.dispose(); + (_a = this.mesh.material.map) === null || _a === void 0 ? void 0 : _a.dispose(); + } + }; return Skybox; }()); exports.Skybox = Skybox; diff --git a/build/typescript/SpaceObject.d.ts b/build/typescript/SpaceObject.d.ts index 53158c0..fe10cb8 100644 --- a/build/typescript/SpaceObject.d.ts +++ b/build/typescript/SpaceObject.d.ts @@ -90,6 +90,9 @@ export declare class SpaceObject implements SimulationObject { protected _options: SpaceObjectOptions; protected _simulation: Simulation; protected _context: SimulationContext; + protected _materials: THREE.Material[]; + protected _geometries: THREE.BufferGeometry[]; + protected _textures: THREE.Texture[]; protected _renderMethod?: 'SPRITE' | 'PARTICLESYSTEM' | 'ROTATING_OBJECT' | 'SPHERE'; protected _initialized: boolean; private _object3js?; @@ -141,17 +144,12 @@ export declare class SpaceObject implements SimulationObject { * child classes). */ init(): boolean; - /** - * @protected - * Used by child classes to set the object that gets its position updated. - * @param {THREE.Object3D} obj Any THREE.js object - */ - protected setPositionedObject(obj: THREE.Object3D): void; /** * @private * Build the THREE.js object for this SpaceObject. */ private renderObject; + private addParticle; /** * @private * Builds the label div and adds it to the visualization @@ -185,6 +183,13 @@ export declare class SpaceObject implements SimulationObject { * @return {boolean} Whether to update */ private shouldUpdateObjectPosition; + /** + * @protected + * Used by child classes to set the object that gets its position updated. + * @param {THREE.Object3D} obj Any THREE.js object + */ + protected setPositionedObject(obj: THREE.Object3D): void; + protected getScale(): [number, number, number]; /** * Make this object orbit another orbit. * @param {Object} spaceObj The SpaceObject that will serve as the origin of this object's orbit. @@ -240,6 +245,11 @@ export declare class SpaceObject implements SimulationObject { * @return {boolean} Whether label is visible. */ getLabelVisibility(): boolean; + /** + * Gets the label HTML Element. + * @return {HTMLElement | undefined} The label element. + */ + getLabelElement(): HTMLElement | undefined; /** * Toggle the visilibity of the label. * @param {boolean} val Whether to show or hide. @@ -261,8 +271,11 @@ export declare class SpaceObject implements SimulationObject { * @return {boolean} True if ready */ isReady(): boolean; + setVisibility(val: boolean): void; + isVisible(): boolean; removalCleanup(): void; } +export declare const DEFAULT_PLANET_TEXTURE_URL = "{{assets}}/sprites/smallparticle.png"; /** * Useful presets for creating SpaceObjects. * @example @@ -274,6 +287,7 @@ export declare const SpaceObjectPresets: { SUN: { textureUrl: string; position: number[]; + radius: number; }; MERCURY: { textureUrl: string; diff --git a/build/typescript/SpaceObject.js b/build/typescript/SpaceObject.js index 32011d9..74246ed 100644 --- a/build/typescript/SpaceObject.js +++ b/build/typescript/SpaceObject.js @@ -1,11 +1,7 @@ "use strict"; var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { if (k2 === undefined) k2 = k; - var desc = Object.getOwnPropertyDescriptor(m, k); - if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) { - desc = { enumerable: true, get: function() { return m[k]; } }; - } - Object.defineProperty(o, k2, desc); + Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } }); }) : (function(o, m, k, k2) { if (k2 === undefined) k2 = k; o[k2] = m[k]; @@ -59,7 +55,7 @@ var __generator = (this && this.__generator) || function (thisArg, body) { } }; exports.__esModule = true; -exports.SpaceObjectPresets = exports.SpaceObject = void 0; +exports.SpaceObjectPresets = exports.DEFAULT_PLANET_TEXTURE_URL = exports.SpaceObject = void 0; var THREE = __importStar(require("three")); var EphemPresets_1 = require("./EphemPresets"); var Orbit_1 = require("./Orbit"); @@ -152,6 +148,9 @@ var SpaceObject = /** @class */ (function () { this._isStaticObject = !this._options.ephem && !this._useEphemTable; this._simulation = simulation; this._context = simulation.getContext(); + this._materials = []; + this._geometries = []; + this._textures = []; this._label = undefined; this._showLabel = false; this._lastLabelUpdate = 0; @@ -172,7 +171,7 @@ var SpaceObject = /** @class */ (function () { */ this._initialized = false; if (autoInit && !this.init()) { - console.warn("SpaceObject ".concat(id, ": failed to initialize")); + console.warn("SpaceObject " + id + ": failed to initialize"); } } /** @@ -197,64 +196,55 @@ var SpaceObject = /** @class */ (function () { this._initialized = true; return true; }; - /** - * @protected - * Used by child classes to set the object that gets its position updated. - * @param {THREE.Object3D} obj Any THREE.js object - */ - SpaceObject.prototype.setPositionedObject = function (obj) { - this._object3js = obj; - }; /** * @private * Build the THREE.js object for this SpaceObject. */ SpaceObject.prototype.renderObject = function () { - if (this.isStaticObject()) { - if (!this._renderMethod) { - // TODO(ian): It kinda sucks to have SpaceObject care about - // renderMethod, which is set by children. - // Create a stationary sprite. - this._object3js = this.createSprite(); - if (this._simulation) { - // Add it all to visualization. - this._simulation.addObject(this, false /* noUpdate */); - } - this._renderMethod = 'SPRITE'; - } - } - else { + var includeIfMissing = true; + if (!this.isStaticObject()) { // Create the orbit no matter what - it's used to get current position // for CPU-positioned objects (e.g. child RotatingObjects, SphereObjects, // ShapeObjects). // TODO(ian): Only do this if we need to compute orbit position on the // CPU or display an orbit path. this._orbit = this.createOrbit(); - if (!this._options.hideOrbit && this._simulation) { - // Add it all to visualization. - this._simulation.addObject(this, false /* noUpdate */); + } + if (!this._renderMethod) { + // TODO(ian): It kinda sucks to have SpaceObject care about + // renderMethod, which is set by children. + if (this.isStaticObject()) { + // Create a stationary sprite. + this._object3js = this.createSprite(); + this._object3js.name = this._id + "-sprite"; + this._renderMethod = 'SPRITE'; } - if (this._useEphemTable) { - if (!this._renderMethod) { + else { + if (this._useEphemTable) { this._object3js = this.createSprite(); - if (this._simulation) { - this._simulation.addObject(this, true); - } + this._object3js.name = this._id + "-sprite"; this._renderMethod = 'SPRITE'; } - } - if (!this._renderMethod) { - if (!this._options.ephem) { - throw new Error('Attempting to create a particle system, but ephemeris are not available.'); + else { + // Create a particle representing this object on the GPU. + this.addParticle(); + this._renderMethod = 'PARTICLESYSTEM'; + includeIfMissing = false; } - // Create a particle representing this object on the GPU. - this._particleIndex = this._context.objects.particles.addParticle(this._options.ephem, { - particleSize: this._options.particleSize, - color: this.getColor() - }); - this._renderMethod = 'PARTICLESYSTEM'; } } + if (includeIfMissing && this._simulation.getObject(this._id) === undefined) { + this._simulation.addObject(this, false /* noUpdate */); + } + }; + SpaceObject.prototype.addParticle = function () { + if (!this._options.ephem) { + throw new Error('Attempting to create a particle system, but ephemeris are not available.'); + } + this._particleIndex = this._context.objects.particles.addParticle(this._options.ephem, { + particleSize: this._options.particleSize, + color: this.getColor() + }); }; /** * @private @@ -266,10 +256,10 @@ var SpaceObject = /** @class */ (function () { text.className = 'spacekit__object-label'; var _a = this._options, labelText = _a.labelText, labelUrl = _a.labelUrl; if (this._options.labelUrl) { - text.innerHTML = ""); + text.innerHTML = ""; } else { - text.innerHTML = "
".concat(labelText, "
"); + text.innerHTML = "
" + labelText + "
"; } text.style.fontFamily = 'Arial'; text.style.fontSize = '12px'; @@ -302,8 +292,8 @@ var SpaceObject = /** @class */ (function () { loc.right + 20 < simulationElt.clientWidth && loc.top - 25 > 0 && loc.bottom < simulationElt.clientHeight) { - label.style.left = "".concat(loc.left - label.clientWidth / 2, "px"); - label.style.top = "".concat(loc.top - label.clientHeight - 8, "px"); + label.style.left = loc.left - label.clientWidth / 2 + "px"; + label.style.top = loc.top - label.clientHeight - 8 + "px"; label.style.visibility = 'visible'; } else { @@ -316,20 +306,32 @@ var SpaceObject = /** @class */ (function () { * @return {THREE.Sprite} A sprite object */ SpaceObject.prototype.createSprite = function () { + var _a, _b, _c, _d, _e; if (!this._options.textureUrl) { throw new Error('Cannot create sprite without a textureUrl'); } var fullTextureUrl = (0, util_1.getFullTextureUrl)(this._options.textureUrl, this._context.options.basePath); var texture = new THREE.TextureLoader().load(fullTextureUrl); - texture.encoding = THREE.LinearEncoding; - var sprite = new THREE.Sprite(new THREE.SpriteMaterial({ + texture.colorSpace = THREE.SRGBColorSpace; + this._textures.push(texture); + var material = new THREE.SpriteMaterial({ map: texture, blending: THREE.AdditiveBlending, depthWrite: false, - color: this._options.theme ? this._options.theme.color : 0xffffff - })); - var scale = (0, Scale_1.rescaleArray)(this._scale); - sprite.scale.set(scale[0], scale[1], scale[2]); + color: (_c = (_a = this._options.color) !== null && _a !== void 0 ? _a : (_b = this._options.theme) === null || _b === void 0 ? void 0 : _b.color) !== null && _c !== void 0 ? _c : 0xffffff, + sizeAttenuation: this._options.radius !== undefined + }); + this._materials.push(material); + var sprite = new THREE.Sprite(material); + if (this._options.radius !== undefined) { + var d = this._options.radius * 2; + var scale = (0, Scale_1.rescaleArray)(this._scale); + sprite.scale.set(scale[0] * d, scale[1] * d, scale[2] * d); + } + else { + var s = ((_e = (_d = this._options.particleSize) !== null && _d !== void 0 ? _d : this._context.options.particleDefaultSize) !== null && _e !== void 0 ? _e : 15) / 15 * 0.02; + sprite.scale.set(s, s, s); + } var position = this.getPosition(this._simulation.getJd()); sprite.position.set(position[0], position[1], position[2]); if (this.isStaticObject()) { @@ -344,6 +346,7 @@ var SpaceObject = /** @class */ (function () { * @return {Orbit} An orbit object */ SpaceObject.prototype.createOrbit = function () { + var _a, _b; if (this._orbit) { return this._orbit; } @@ -355,10 +358,8 @@ var SpaceObject = /** @class */ (function () { } return new Orbit_1.Orbit(ephem, { orbitPathSettings: this._options.orbitPathSettings, - color: this._options.theme ? this._options.theme.orbitColor : undefined, - eclipticLineColor: this._options.ecliptic - ? this._options.ecliptic.lineColor - : undefined + color: (_a = this._options.theme) === null || _a === void 0 ? void 0 : _a.orbitColor, + eclipticLineColor: (_b = this._options.ecliptic) === null || _b === void 0 ? void 0 : _b.lineColor }); }; /** @@ -383,12 +384,29 @@ var SpaceObject = /** @class */ (function () { return true; */ }; + /** + * @protected + * Used by child classes to set the object that gets its position updated. + * @param {THREE.Object3D} obj Any THREE.js object + */ + SpaceObject.prototype.setPositionedObject = function (obj) { + this._object3js = obj; + }; + SpaceObject.prototype.getScale = function () { + return this._scale; + }; /** * Make this object orbit another orbit. * @param {Object} spaceObj The SpaceObject that will serve as the origin of this object's orbit. */ SpaceObject.prototype.orbitAround = function (spaceObj) { this._orbitAround = spaceObj; + // force orbit update + if (this._orbitPath) { + this._simulation.getScene().remove(this._orbitPath); + } + this._orbitPath = undefined; + this.update(this._simulation.getJd(), true /* force */); }; /** * Updates the position of this object. Applicable only if this object is a @@ -435,7 +453,7 @@ var SpaceObject = /** @class */ (function () { * movement. */ SpaceObject.prototype.update = function (jd, force) { - var _a, _b, _c; + var _a, _b, _c, _d, _e; if (force === void 0) { force = false; } var newpos; if (this._label) { @@ -468,7 +486,8 @@ var SpaceObject = /** @class */ (function () { if (this._orbitPath) { this._simulation.getScene().remove(this._orbitPath); } - this._orbitPath = this._orbit.getOrbitShape(jd, true); + this._orbitPath = this._orbit.getOrbitShape(jd, true, this._orbitAround); + this._orbitPath.name = this._id + "-orbit"; this._simulation.getScene().add(this._orbitPath); } var eclipticNeedsRefreshing = !this._eclipticLines || orbitNeedsRefreshing; @@ -480,19 +499,18 @@ var SpaceObject = /** @class */ (function () { this._simulation.getScene().remove(this._eclipticLines); } this._eclipticLines = this._orbit.getLinesToEcliptic(); + this._eclipticLines.name = this._id + "-orbit-ec-lines"; this._simulation.getScene().add(this._eclipticLines); } if (this._orbitAround) { var parentPos = this._orbitAround.getPosition(jd); - if (this._renderMethod === 'PARTICLESYSTEM') { + if (this._particleIndex !== undefined) { // TODO(ian): Only do this when the origin changes (_b = this._context.objects.particles) === null || _b === void 0 ? void 0 : _b.setParticleOrigin(this._particleIndex, parentPos); } - if (!this._options.hideOrbit) { - (_c = this._orbitPath) === null || _c === void 0 ? void 0 : _c.position.set(parentPos[0], parentPos[1], parentPos[2]); - } - if (!newpos) { - newpos = this.getPosition(jd); + if (!this._options.hideOrbit && !((_c = this._orbit) === null || _c === void 0 ? void 0 : _c.isHeliocentric())) { + (_d = this._orbitPath) === null || _d === void 0 ? void 0 : _d.position.set(parentPos[0], parentPos[1], parentPos[2]); + (_e = this._eclipticLines) === null || _e === void 0 ? void 0 : _e.position.set(parentPos[0], parentPos[1], parentPos[2]); } } }; @@ -554,6 +572,13 @@ var SpaceObject = /** @class */ (function () { SpaceObject.prototype.getLabelVisibility = function () { return this._showLabel; }; + /** + * Gets the label HTML Element. + * @return {HTMLElement | undefined} The label element. + */ + SpaceObject.prototype.getLabelElement = function () { + return this._label; + }; /** * Toggle the visilibity of the label. * @param {boolean} val Whether to show or hide. @@ -593,20 +618,46 @@ var SpaceObject = /** @class */ (function () { SpaceObject.prototype.isReady = function () { return this._initialized; }; - SpaceObject.prototype.removalCleanup = function () { + SpaceObject.prototype.setVisibility = function (val) { + var _a; + this.get3jsObjects().forEach(function (obj) { + obj.visible = val; + }); + if (this._particleIndex !== undefined) { + (_a = this._context) === null || _a === void 0 ? void 0 : _a.objects.particles.setParticleVisibility(val, this._particleIndex); + } + this.setLabelVisibility(val); + }; + SpaceObject.prototype.isVisible = function () { var _a; + var visible = this.get3jsObjects().some(function (obj) { return obj.visible; }); + if (this._particleIndex !== undefined) { + visible = visible || ((_a = this._context) === null || _a === void 0 ? void 0 : _a.objects.particles.isParticleVisible(this._particleIndex)); + } + visible = visible || this._showLabel; + return visible; + }; + SpaceObject.prototype.removalCleanup = function () { + var _a, _b, _c, _d; if (this._label) { this._simulation.getSimulationElement().removeChild(this._label); this._label = undefined; } if (this._particleIndex !== undefined) { (_a = this._context) === null || _a === void 0 ? void 0 : _a.objects.particles.hideParticle(this._particleIndex); + if (!((_b = this._context) === null || _b === void 0 ? void 0 : _b.objects.particles.isVisible())) { + this._simulation.removeObject((_c = this._context) === null || _c === void 0 ? void 0 : _c.objects.particles); + } } + (_d = this._orbit) === null || _d === void 0 ? void 0 : _d.removalCleanup(); + this._geometries.forEach(function (g) { g.dispose(); }); + this._materials.forEach(function (m) { m.dispose(); }); + this._textures.forEach(function (t) { t.dispose(); }); }; return SpaceObject; }()); exports.SpaceObject = SpaceObject; -var DEFAULT_PLANET_TEXTURE_URL = '{{assets}}/sprites/smallparticle.png'; +exports.DEFAULT_PLANET_TEXTURE_URL = '{{assets}}/sprites/smallparticle.png'; /** * Useful presets for creating SpaceObjects. * @example @@ -617,31 +668,32 @@ var DEFAULT_PLANET_TEXTURE_URL = '{{assets}}/sprites/smallparticle.png'; exports.SpaceObjectPresets = { SUN: { textureUrl: '{{assets}}/sprites/lensflare0.png', - position: [0, 0, 0] + position: [0, 0, 0], + radius: 0.5 }, MERCURY: { - textureUrl: DEFAULT_PLANET_TEXTURE_URL, + textureUrl: exports.DEFAULT_PLANET_TEXTURE_URL, theme: { color: 0x913cee }, ephem: EphemPresets_1.EphemPresets.MERCURY }, VENUS: { - textureUrl: DEFAULT_PLANET_TEXTURE_URL, + textureUrl: exports.DEFAULT_PLANET_TEXTURE_URL, theme: { color: 0xff7733 }, ephem: EphemPresets_1.EphemPresets.VENUS }, EARTH: { - textureUrl: DEFAULT_PLANET_TEXTURE_URL, + textureUrl: exports.DEFAULT_PLANET_TEXTURE_URL, theme: { color: 0x009acd }, ephem: EphemPresets_1.EphemPresets.EARTH }, MOON: { - textureUrl: DEFAULT_PLANET_TEXTURE_URL, + textureUrl: exports.DEFAULT_PLANET_TEXTURE_URL, theme: { color: 0xffd700 }, @@ -650,42 +702,42 @@ exports.SpaceObjectPresets = { particleSize: 6 }, MARS: { - textureUrl: DEFAULT_PLANET_TEXTURE_URL, + textureUrl: exports.DEFAULT_PLANET_TEXTURE_URL, theme: { color: 0xa63a3a }, ephem: EphemPresets_1.EphemPresets.MARS }, JUPITER: { - textureUrl: DEFAULT_PLANET_TEXTURE_URL, + textureUrl: exports.DEFAULT_PLANET_TEXTURE_URL, theme: { color: 0xffb90f }, ephem: EphemPresets_1.EphemPresets.JUPITER }, SATURN: { - textureUrl: DEFAULT_PLANET_TEXTURE_URL, + textureUrl: exports.DEFAULT_PLANET_TEXTURE_URL, theme: { color: 0x336633 }, ephem: EphemPresets_1.EphemPresets.SATURN }, URANUS: { - textureUrl: DEFAULT_PLANET_TEXTURE_URL, + textureUrl: exports.DEFAULT_PLANET_TEXTURE_URL, theme: { color: 0x0099ff }, ephem: EphemPresets_1.EphemPresets.URANUS }, NEPTUNE: { - textureUrl: DEFAULT_PLANET_TEXTURE_URL, + textureUrl: exports.DEFAULT_PLANET_TEXTURE_URL, theme: { color: 0x3333ff }, ephem: EphemPresets_1.EphemPresets.NEPTUNE }, PLUTO: { - textureUrl: DEFAULT_PLANET_TEXTURE_URL, + textureUrl: exports.DEFAULT_PLANET_TEXTURE_URL, theme: { color: 0xccc0b0 }, diff --git a/build/typescript/SphereObject.d.ts b/build/typescript/SphereObject.d.ts index ffd0701..95c0999 100644 --- a/build/typescript/SphereObject.d.ts +++ b/build/typescript/SphereObject.d.ts @@ -10,7 +10,7 @@ export declare class SphereObject extends RotatingObject { * @param {String} options.bumpMapUrl Path to bump map (optional) * @param {String} options.specularMapUrl Path to specular map (optional) * @param {Number} options.color Hex color of the sphere - * @param {Number} options.axialTilt Axial tilt in degrees + * @param {Number} options.axialTilt Axial tilt in degrees (rotation options will override this) * @param {Number} options.radius Radius of sphere. Defaults to 1 * @param {Object} options.levelsOfDetail List of {threshold: x, segments: * y}, where `threshold` is radii distance and `segments` is the number diff --git a/build/typescript/SphereObject.js b/build/typescript/SphereObject.js index 71b1187..b571368 100644 --- a/build/typescript/SphereObject.js +++ b/build/typescript/SphereObject.js @@ -16,11 +16,7 @@ var __extends = (this && this.__extends) || (function () { })(); var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { if (k2 === undefined) k2 = k; - var desc = Object.getOwnPropertyDescriptor(m, k); - if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) { - desc = { enumerable: true, get: function() { return m[k]; } }; - } - Object.defineProperty(o, k2, desc); + Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } }); }) : (function(o, m, k, k2) { if (k2 === undefined) k2 = k; o[k2] = m[k]; @@ -48,6 +44,8 @@ var Units_1 = __importDefault(require("./Units")); var RotatingObject_1 = require("./RotatingObject"); var Scale_1 = require("./Scale"); var shaders_1 = require("./shaders"); +var SpaceObject_1 = require("./SpaceObject"); +var util_1 = require("./util"); /** * Simulates a planet or other object as a perfect sphere. */ @@ -58,7 +56,7 @@ var SphereObject = /** @class */ (function (_super) { * @param {String} options.bumpMapUrl Path to bump map (optional) * @param {String} options.specularMapUrl Path to specular map (optional) * @param {Number} options.color Hex color of the sphere - * @param {Number} options.axialTilt Axial tilt in degrees + * @param {Number} options.axialTilt Axial tilt in degrees (rotation options will override this) * @param {Number} options.radius Radius of sphere. Defaults to 1 * @param {Object} options.levelsOfDetail List of {threshold: x, segments: * y}, where `threshold` is radii distance and `segments` is the number @@ -81,11 +79,14 @@ var SphereObject = /** @class */ (function (_super) { return _this; } SphereObject.prototype.init = function () { - var _a; + var _a, _b, _c, _d, _e, _f; var map = null; if (this._options.textureUrl) { map = new THREE.TextureLoader().load(this._options.textureUrl); + map.colorSpace = THREE.SRGBColorSpace; + this._textures.push(map); } + var color = (_c = (_a = this._options.color) !== null && _a !== void 0 ? _a : (_b = this._options.theme) === null || _b === void 0 ? void 0 : _b.color) !== null && _c !== void 0 ? _c : 0xbbbbbb; var detailedObj = new THREE.LOD(); var levelsOfDetail = this._options.levelsOfDetail || [ { radii: 0, segments: 64 }, @@ -93,43 +94,64 @@ var SphereObject = /** @class */ (function (_super) { var radius = this.getScaledRadius(); for (var i = 0; i < levelsOfDetail.length; i += 1) { var level = levelsOfDetail[i]; - var sphereGeometry = new THREE.SphereGeometry(radius, level.segments, level.segments); - var material = void 0; - if (this._simulation.isUsingLightSources()) { - console.warn("SphereObject ".concat(this._id, " requires a texture when using a light source.")); - var uniforms = { - sphereTexture: { - value: undefined - }, - lightPos: { - value: new THREE.Vector3() + var lodObj = void 0; + if (level.segments > 0) { + var sphereGeometry = new THREE.SphereGeometry(radius, level.segments, level.segments); + this._geometries.push(sphereGeometry); + var material = void 0; + if (this._simulation.isUsingLightSources()) { + if (map === null) { + console.warn("SphereObject " + this._id + " requires a texture when using a light source."); } - }; - // TODO(ian): Handle if no map - uniforms.sphereTexture.value = map; - uniforms.lightPos.value.copy(this._simulation.getLightPosition()); - material = new THREE.ShaderMaterial({ - uniforms: uniforms, - vertexShader: shaders_1.SPHERE_SHADER_VERTEX, - fragmentShader: shaders_1.SPHERE_SHADER_FRAGMENT, - transparent: true - }); + var uniforms = { + sphereTex: { + value: map + }, + lightPos: { + value: new THREE.Vector3() + } + }; + // TODO(ian): Handle if no map + uniforms.lightPos.value.copy(this._simulation.getLightPosition()); + material = new THREE.ShaderMaterial({ + uniforms: uniforms, + vertexShader: shaders_1.SPHERE_SHADER_VERTEX, + fragmentShader: shaders_1.SPHERE_SHADER_FRAGMENT, + transparent: true + }); + } + else { + material = new THREE.MeshBasicMaterial({ map: map, color: color }); + } + this._materials.push(material); + lodObj = new THREE.Mesh(sphereGeometry, material); + lodObj.receiveShadow = true; + lodObj.castShadow = true; + // Change the coordinate system to have Z-axis pointed up. + lodObj.rotation.x = Math.PI / 2; } else { - var color = (_a = this._options.color) !== null && _a !== void 0 ? _a : 0xbbbbbb; - material = new THREE.MeshBasicMaterial({ - map: map, - color: color + // create a sprite instead, marking the position of the object when too far away to show otherwise + var textureUrl = (0, util_1.getFullTextureUrl)(SpaceObject_1.DEFAULT_PLANET_TEXTURE_URL, this._context.options.basePath); + var spriteMap = new THREE.TextureLoader().load(textureUrl); + spriteMap.colorSpace = THREE.SRGBColorSpace; + this._textures.push(spriteMap); + var spriteMaterial = new THREE.SpriteMaterial({ + map: spriteMap, + color: color, + blending: THREE.AdditiveBlending, + depthWrite: false, + sizeAttenuation: false }); + this._materials.push(spriteMaterial); + var s = ((_e = (_d = this._options.particleSize) !== null && _d !== void 0 ? _d : this._context.options.particleDefaultSize) !== null && _e !== void 0 ? _e : 15) / 15 * 0.02; + lodObj = new THREE.Sprite(spriteMaterial); + lodObj.scale.set(s, s, s); } - var mesh = new THREE.Mesh(sphereGeometry, material); - mesh.receiveShadow = true; - mesh.castShadow = true; - // Change the coordinate system to have Z-axis pointed up. - mesh.rotation.x = Math.PI / 2; // Show this number of segments at distance >= radii * level.radii. - detailedObj.addLevel(mesh, radius * level.radii); + detailedObj.addLevel(lodObj, radius * level.radii); } + detailedObj.name = this._id + "-detailed"; // Add to the parent base object. this._obj.add(detailedObj); if (this._options.atmosphere && this._options.atmosphere.enable) { @@ -138,14 +160,10 @@ var SphereObject = /** @class */ (function (_super) { this._obj.add(atmosphere); } } - if (this._options.axialTilt) { + if (this._options.axialTilt && ((_f = this._options.rotation) === null || _f === void 0 ? void 0 : _f.lambdaDeg) === undefined) { this._obj.rotation.y += Units_1["default"].rad(this._options.axialTilt); } this._renderMethod = 'SPHERE'; - if (this._simulation) { - // Add it all to visualization. - this._simulation.addObject(this, false /* noUpdate */); - } return _super.prototype.init.call(this); }; /** @@ -178,6 +196,7 @@ var SphereObject = /** @class */ (function (_super) { var ret = new THREE.LOD(); ret.addLevel(detailedObj, 0); ret.addLevel(new THREE.Object3D(), radius * 24); + ret.name = this._id + "-atm"; return ret; }; /** @@ -209,6 +228,8 @@ var SphereObject = /** @class */ (function (_super) { transparent: true, depthWrite: false }); + this._geometries.push(geometry); + this._materials.push(material); return new THREE.Mesh(geometry, material); }; /** @@ -225,8 +246,11 @@ var SphereObject = /** @class */ (function (_super) { var innerRadiusSize = (0, Scale_1.rescaleNumber)(Units_1["default"].kmToAu(innerRadiusKm)); var outerRadiusSize = (0, Scale_1.rescaleNumber)(Units_1["default"].kmToAu(outerRadiusKm)); var geometry = new THREE.RingGeometry(innerRadiusSize, outerRadiusSize, segments, 5, 0, Math.PI * 2); + this._geometries.push(geometry); // TODO(ian): Load from base path. var map = new THREE.TextureLoader().load(texturePath); + map.colorSpace = THREE.SRGBColorSpace; + this._textures.push(map); var material; if (this._simulation.isUsingLightSources()) { // TODO(ian): Follow recommendation for defining ShaderMaterials here: @@ -237,13 +261,13 @@ var SphereObject = /** @class */ (function (_super) { THREE.UniformsLib.lights, // THREE.UniformsLib.shadowmap, { - ringTexture: { value: null }, + ringTex: { value: null }, innerRadius: { value: innerRadiusSize }, outerRadius: { value: outerRadiusSize }, lightPos: { value: new THREE.Vector3() } }, ]); - uniforms.ringTexture.value = map; + uniforms.ringTex.value = map; uniforms.lightPos.value.copy(this._simulation.getLightPosition()); material = new THREE.ShaderMaterial({ uniforms: uniforms, @@ -264,9 +288,11 @@ var SphereObject = /** @class */ (function (_super) { opacity: 0.8 }); } + this._materials.push(material); var mesh = new THREE.Mesh(geometry, material); mesh.receiveShadow = true; mesh.castShadow = true; + mesh.name = this._id + "-ring"; this._obj.add(mesh); }; return SphereObject; diff --git a/build/typescript/Stars.d.ts b/build/typescript/Stars.d.ts index 249a855..4fc098c 100644 --- a/build/typescript/Stars.d.ts +++ b/build/typescript/Stars.d.ts @@ -30,5 +30,11 @@ export declare class Stars implements SimulationObject { */ getId(): string; update(): void; + isVisible(): boolean; + setVisibility(val: boolean): void; + /** + * Free all GPU resources + */ + removalCleanup(): void; } export {}; diff --git a/build/typescript/Stars.js b/build/typescript/Stars.js index 64729cb..691e610 100644 --- a/build/typescript/Stars.js +++ b/build/typescript/Stars.js @@ -1,11 +1,7 @@ "use strict"; var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { if (k2 === undefined) k2 = k; - var desc = Object.getOwnPropertyDescriptor(m, k); - if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) { - desc = { enumerable: true, get: function() { return m[k]; } }; - } - Object.defineProperty(o, k2, desc); + Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } }); }) : (function(o, m, k, k2) { if (k2 === undefined) k2 = k; o[k2] = m[k]; @@ -80,7 +76,7 @@ var Stars = /** @class */ (function () { */ function Stars(options, simulation) { this._options = options; - this._id = "__stars_".concat(new Date().getTime()); + this._id = "__stars_" + new Date().getTime(); this._simulation = simulation; this._context = simulation.getContext(); this._stars = undefined; @@ -119,6 +115,7 @@ var Stars = /** @class */ (function () { transparent: true }); _this._stars = new THREE.Points(geometry, material); + _this._stars.name = _this._id; if (_this._simulation) { _this._simulation.addObject(_this, true /* noUpdate */); } @@ -144,6 +141,26 @@ var Stars = /** @class */ (function () { Stars.prototype.update = function () { // Stars don't update }; + Stars.prototype.isVisible = function () { + var _a, _b; + return (_b = (_a = this._stars) === null || _a === void 0 ? void 0 : _a.visible) !== null && _b !== void 0 ? _b : false; + }; + Stars.prototype.setVisibility = function (val) { + if (this._stars) { + this._stars.visible = val; + } + }; + /** + * Free all GPU resources + */ + Stars.prototype.removalCleanup = function () { + var _a; + if (this._stars) { + this._stars.geometry.dispose(); + this._stars.material.dispose(); + (_a = this._stars.material.map) === null || _a === void 0 ? void 0 : _a.dispose(); + } + }; return Stars; }()); exports.Stars = Stars; diff --git a/build/typescript/StaticParticles.d.ts b/build/typescript/StaticParticles.d.ts index 034bfb8..719de04 100644 --- a/build/typescript/StaticParticles.d.ts +++ b/build/typescript/StaticParticles.d.ts @@ -36,5 +36,11 @@ export declare class StaticParticles implements SimulationObject { */ getId(): string; update(): void; + isVisible(): boolean; + setVisibility(val: boolean): void; + /** + * Free all GPU resources + */ + removalCleanup(): void; } export {}; diff --git a/build/typescript/StaticParticles.js b/build/typescript/StaticParticles.js index fe6547c..6bc0300 100644 --- a/build/typescript/StaticParticles.js +++ b/build/typescript/StaticParticles.js @@ -1,11 +1,7 @@ "use strict"; var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { if (k2 === undefined) k2 = k; - var desc = Object.getOwnPropertyDescriptor(m, k); - if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) { - desc = { enumerable: true, get: function() { return m[k]; } }; - } - Object.defineProperty(o, k2, desc); + Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } }); }) : (function(o, m, k, k2) { if (k2 === undefined) k2 = k; o[k2] = m[k]; @@ -80,6 +76,7 @@ var StaticParticles = /** @class */ (function () { transparent: true }); this.pointObject = new THREE.Points(geometry, material); + this.pointObject.name = this.id + "-point-obj"; }; /** * A list of THREE.js objects that are used to compose the particle system. @@ -101,6 +98,26 @@ var StaticParticles = /** @class */ (function () { StaticParticles.prototype.update = function () { // Static particles don't update }; + StaticParticles.prototype.isVisible = function () { + var _a, _b; + return (_b = (_a = this.pointObject) === null || _a === void 0 ? void 0 : _a.visible) !== null && _b !== void 0 ? _b : false; + }; + StaticParticles.prototype.setVisibility = function (val) { + if (this.pointObject) { + this.pointObject.visible = val; + } + }; + /** + * Free all GPU resources + */ + StaticParticles.prototype.removalCleanup = function () { + var _a; + if (this.pointObject) { + this.pointObject.geometry.dispose(); + this.pointObject.material.dispose(); + (_a = this.pointObject.material.map) === null || _a === void 0 ? void 0 : _a.dispose(); + } + }; return StaticParticles; }()); exports.StaticParticles = StaticParticles; diff --git a/build/typescript/index.js b/build/typescript/index.js index 0f86ece..bd5d05f 100644 --- a/build/typescript/index.js +++ b/build/typescript/index.js @@ -1,11 +1,7 @@ "use strict"; var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { if (k2 === undefined) k2 = k; - var desc = Object.getOwnPropertyDescriptor(m, k); - if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) { - desc = { enumerable: true, get: function() { return m[k]; } }; - } - Object.defineProperty(o, k2, desc); + Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } }); }) : (function(o, m, k, k2) { if (k2 === undefined) k2 = k; o[k2] = m[k]; diff --git a/build/typescript/shaders.d.ts b/build/typescript/shaders.d.ts index 2b768b7..d884e0e 100644 --- a/build/typescript/shaders.d.ts +++ b/build/typescript/shaders.d.ts @@ -6,13 +6,13 @@ export declare function getOrbitShaderFragment(): string; * @ignore */ export declare function getOrbitShaderVertex(): string; -export declare const STAR_SHADER_FRAGMENT = "\n varying vec3 vColor;\n\n void main() {\n float a = 1.0 - 2.0 * length(gl_PointCoord - vec2(0.5, 0.5));\n gl_FragColor = vec4(vColor, a);\n }\n"; -export declare const STAR_SHADER_VERTEX = "\n attribute float size;\n varying vec3 vColor;\n\n void main() {\n vColor = color;\n vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);\n gl_PointSize = size;\n gl_Position = projectionMatrix * mvPosition;\n }\n"; -export declare const GENERIC_PARTICLE_SHADER_VERTEX = "\n attribute float size;\n attribute vec3 customColor;\n varying vec3 vColor;\n void main() {\n vColor = customColor;\n vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);\n gl_PointSize = size * (300.0 / -mvPosition.z);\n gl_Position = projectionMatrix * mvPosition;\n }\n"; -export declare const GENERIC_PARTICLE_SHADER_FRAGMENT = "\n uniform vec3 color;\n uniform sampler2D texture;\n varying vec3 vColor;\n void main() {\n gl_FragColor = vec4(color * vColor, 1.0);\n gl_FragColor = gl_FragColor * texture2D(texture, gl_PointCoord);\n if (gl_FragColor.a < ALPHATEST) discard;\n }\n"; -export declare const ATMOSPHERE_SHADER_VERTEX = "\n uniform vec3 lightPos;\n\n varying vec2 vUv;\n varying vec3 vecPos;\n varying vec3 vecNormal;\n //varying vec3 vNormal;\n\n varying vec3 vViewLightPos;\n\n void main() {\n //vNormal = normalize(normalMatrix * normal);\n //gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\n\n vUv = uv;\n // Since the light is in camera coordinates,\n // I'll need the vertex position in camera coords too\n vecPos = (modelViewMatrix * vec4(position, 1.0)).xyz;\n // That's NOT exacly how you should transform your\n // normals but this will work fine, since my model\n // matrix is pretty basic\n vecNormal = (modelViewMatrix * vec4(normal, 0.0)).xyz;\n vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz;\n gl_Position = projectionMatrix * vec4(vecPos, 1.0);\n }\n"; -export declare const ATMOSPHERE_SHADER_FRAGMENT = "\n uniform float c;\n uniform float p;\n uniform vec3 color;\n\n varying vec2 vUv;\n varying vec3 vecPos;\n varying vec3 vecNormal;\n varying vec3 vViewLightPos;\n\n void main() {\n float intensity = pow(c - dot(vecNormal, vec3(0.0, 0.0, 1.0)), p);\n\n vec4 addedLights = vec4(0.0, 0.0, 0.0, 1.0);\n vec3 lightDirection = normalize(vecPos - vViewLightPos);\n addedLights.rgb += clamp(dot(-lightDirection, vecNormal), 0.0, 1.0)\n * 1.0 /* intensity */;\n // * pointLights[i].color\n\n gl_FragColor = vec4(color, 1.0) * intensity * addedLights;\n }\n"; -export declare const SPHERE_SHADER_VERTEX = "\n uniform vec3 lightPos;\n\n varying vec2 vUv;\n varying vec3 vViewPosition;\n varying vec3 vViewLightPos;\n varying vec3 vNormal;\n\n void main() {\n vUv = uv;\n vec4 vViewPosition4 = modelViewMatrix * vec4(position, 1.0);\n vViewPosition = vViewPosition4.xyz;\n vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz;\n vNormal = normalMatrix * normal;\n\n gl_Position = projectionMatrix * vViewPosition4;\n }\n"; -export declare const SPHERE_SHADER_FRAGMENT = "\n uniform sampler2D sphereTexture;\n\n varying vec2 vUv;\n varying vec3 vNormal;\n varying vec3 vViewPosition;\n varying vec3 vViewLightPos;\n\n void main() {\n vec3 normal = normalize(vNormal);\n vec3 lightDir = normalize(vViewLightPos - vViewPosition);\n float lambertian = max(dot(normal, lightDir), 0.0);\n gl_FragColor = texture2D(sphereTexture, vUv) * vec4(vec3(1.0) * lambertian, 1.0);\n }\n"; -export declare const RING_SHADER_VERTEX = "\n varying vec3 vPos;\n varying vec3 vWorldPosition;\n varying vec3 vNormal;\n\n void main() {\n vPos = position;\n vec4 worldPosition = (modelMatrix * vec4(position, 1.));\n gl_Position = projectionMatrix * viewMatrix * vec4(worldPosition.xyz, 1.);\n\n vNormal = normalMatrix * normal;\n vWorldPosition = worldPosition.xyz;\n }\n"; -export declare const RING_SHADER_FRAGMENT = "\n uniform sampler2D ringTexture;\n uniform float innerRadius;\n uniform float outerRadius;\n uniform vec3 lightPos;\n\n varying vec3 vNormal;\n varying vec3 vPos;\n varying vec3 vWorldPosition;\n\n vec4 color() {\n vec2 uv = vec2(0);\n uv.x = (length(vPos) - innerRadius) / (outerRadius - innerRadius);\n if (uv.x < 0.0 || uv.x > 1.0) {\n discard;\n }\n\n vec4 pixel = texture2D(ringTexture, uv);\n return pixel;\n }\n\n vec3 shadow() {\n vec3 lightDir = normalize(vPos - lightPos);\n vec3 planetPos = vec3(0);\n\n vec3 ringPos = vPos - planetPos;\n float posDotLightDir = dot(ringPos, lightDir);\n float posDotLightDir2 = posDotLightDir * posDotLightDir;\n\n // TODO(ian): Generalize this line.\n float radius = 0.0389259903; // radius of saturn in coordinate system\n float radius2 = radius * radius;\n\n if (posDotLightDir > 0.0 && dot(ringPos, ringPos) - posDotLightDir2 < radius2) {\n return vec3(0.0);\n }\n return vec3(1.0);\n }\n\n vec3 lights() {\n vec3 lightDirection = normalize(vWorldPosition - lightPos);\n float c = 0.35 + max(0.0, dot(vNormal, lightDirection)) * 0.4;\n\n return vec3(c);\n }\n\n void main() {\n // NOTE: The order of multiplication matters here. color() may call\n // discard, which would cause problems on some Windows graphics drivers if\n // it is a left operand.\n // https://github.com/typpo/spacekit/issues/22\n gl_FragColor = vec4(lights() * shadow(), 1.0) * color();\n }\n"; +export declare const STAR_SHADER_FRAGMENT = "\n in vec3 vColor;\n \n void main() {\n float a = 1.0 - 2.0 * length(gl_PointCoord - vec2(0.5, 0.5));\n gl_FragColor = vec4(vColor, a);\n }\n"; +export declare const STAR_SHADER_VERTEX = "\n in float size;\n out vec3 vColor;\n\n void main() {\n vColor = color;\n vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);\n gl_PointSize = size;\n gl_Position = projectionMatrix * mvPosition;\n }\n"; +export declare const GENERIC_PARTICLE_SHADER_VERTEX = "\n in float size;\n in vec3 customColor;\n \n out vec3 vColor;\n \n void main() {\n vColor = customColor;\n vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);\n gl_PointSize = size * (300.0 / -mvPosition.z);\n gl_Position = projectionMatrix * mvPosition;\n }\n"; +export declare const GENERIC_PARTICLE_SHADER_FRAGMENT = "\n uniform vec3 color;\n uniform sampler2D tex;\n \n in vec3 vColor;\n\n void main() {\n gl_FragColor = vec4(color * vColor, 1.0);\n gl_FragColor = gl_FragColor * texture(tex, gl_PointCoord);\n if (gl_FragColor.a < ALPHATEST) discard;\n }\n"; +export declare const ATMOSPHERE_SHADER_VERTEX = "\n uniform vec3 lightPos;\n\n out vec2 vUv;\n out vec3 vecPos;\n out vec3 vecNormal;\n //varying vec3 vNormal;\n\n out vec3 vViewLightPos;\n\n void main() {\n //vNormal = normalize(normalMatrix * normal);\n //gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\n\n vUv = uv;\n // Since the light is in camera coordinates,\n // I'll need the vertex position in camera coords too\n vecPos = (modelViewMatrix * vec4(position, 1.0)).xyz;\n // That's NOT exacly how you should transform your\n // normals but this will work fine, since my model\n // matrix is pretty basic\n vecNormal = (modelViewMatrix * vec4(normal, 0.0)).xyz;\n vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz;\n gl_Position = projectionMatrix * vec4(vecPos, 1.0);\n }\n"; +export declare const ATMOSPHERE_SHADER_FRAGMENT = "\n uniform float c;\n uniform float p;\n uniform vec3 color;\n\n in vec2 vUv;\n in vec3 vecPos;\n in vec3 vecNormal;\n in vec3 vViewLightPos;\n\n void main() {\n float intensity = pow(c - dot(vecNormal, vec3(0.0, 0.0, 1.0)), p);\n\n vec4 addedLights = vec4(0.0, 0.0, 0.0, 1.0);\n vec3 lightDirection = normalize(vecPos - vViewLightPos);\n addedLights.rgb += clamp(dot(-lightDirection, vecNormal), 0.0, 1.0)\n * 1.0 /* intensity */;\n // * pointLights[i].color\n\n gl_FragColor = vec4(color, 1.0) * intensity * addedLights;\n }\n"; +export declare const SPHERE_SHADER_VERTEX = "\n uniform vec3 lightPos;\n\n out vec2 vUv;\n out vec3 vNormal;\n out vec3 vViewPosition;\n out vec3 vViewLightPos;\n\n void main() {\n vUv = uv;\n vec4 vViewPosition4 = modelViewMatrix * vec4(position, 1.0);\n vViewPosition = vViewPosition4.xyz;\n vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz;\n vNormal = normalMatrix * normal;\n\n gl_Position = projectionMatrix * vViewPosition4;\n }\n"; +export declare const SPHERE_SHADER_FRAGMENT = "\n uniform sampler2D sphereTex;\n\n in vec2 vUv;\n in vec3 vNormal;\n in vec3 vViewPosition;\n in vec3 vViewLightPos;\n\n void main() {\n vec3 normal = normalize(vNormal);\n vec3 lightDir = normalize(vViewLightPos - vViewPosition);\n float lambertian = max(dot(normal, lightDir), 0.0);\n gl_FragColor = texture(sphereTex, vUv) * vec4(vec3(1.0) * lambertian, 1.0);\n }\n"; +export declare const RING_SHADER_VERTEX = "\n out vec3 vPos;\n out vec3 vWorldPosition;\n out vec3 vNormal;\n\n void main() {\n vPos = position;\n vec4 worldPosition = (modelMatrix * vec4(position, 1.));\n gl_Position = projectionMatrix * viewMatrix * vec4(worldPosition.xyz, 1.);\n\n vNormal = normalMatrix * normal;\n vWorldPosition = worldPosition.xyz;\n }\n"; +export declare const RING_SHADER_FRAGMENT = "\n uniform sampler2D ringTex;\n uniform float innerRadius;\n uniform float outerRadius;\n uniform vec3 lightPos;\n\n in vec3 vNormal;\n in vec3 vPos;\n in vec3 vWorldPosition;\n\n vec4 color() {\n vec2 uv = vec2(0);\n uv.x = (length(vPos) - innerRadius) / (outerRadius - innerRadius);\n if (uv.x < 0.0 || uv.x > 1.0) {\n discard;\n }\n\n vec4 pixel = texture(ringTex, uv);\n return pixel;\n }\n\n vec3 shadow() {\n vec3 lightDir = normalize(vPos - lightPos);\n vec3 planetPos = vec3(0);\n\n vec3 ringPos = vPos - planetPos;\n float posDotLightDir = dot(ringPos, lightDir);\n float posDotLightDir2 = posDotLightDir * posDotLightDir;\n\n // TODO(ian): Generalize this line.\n float radius = 0.0389259903; // radius of saturn in coordinate system\n float radius2 = radius * radius;\n\n if (posDotLightDir > 0.0 && dot(ringPos, ringPos) - posDotLightDir2 < radius2) {\n return vec3(0.0);\n }\n return vec3(1.0);\n }\n\n vec3 lights() {\n vec3 lightDirection = normalize(vWorldPosition - lightPos);\n float c = 0.35 + max(0.0, dot(vNormal, lightDirection)) * 0.4;\n\n return vec3(c);\n }\n\n void main() {\n // NOTE: The order of multiplication matters here. color() may call\n // discard, which would cause problems on some Windows graphics drivers if\n // it is a left operand.\n // https://github.com/typpo/spacekit/issues/22\n gl_FragColor = vec4(lights() * shadow(), 1.0) * color();\n }\n"; diff --git a/build/typescript/shaders.js b/build/typescript/shaders.js index e7d1b6c..df3c5f8 100644 --- a/build/typescript/shaders.js +++ b/build/typescript/shaders.js @@ -6,24 +6,24 @@ var Scale_1 = require("./Scale"); * @ignore */ function getOrbitShaderFragment() { - return "\n varying vec3 vColor;\n uniform sampler2D texture;\n\n void main() {\n gl_FragColor = vec4(vColor, 1.0) * texture2D(texture, gl_PointCoord);\n }\n "; + return "\n uniform sampler2D tex;\n\n in vec3 vColor;\n\n void main() {\n gl_FragColor = vec4(vColor, 1.0) * texture(tex, gl_PointCoord);\n }\n "; } exports.getOrbitShaderFragment = getOrbitShaderFragment; /** * @ignore */ function getOrbitShaderVertex() { - return "\n attribute vec3 fuzzColor;\n attribute vec3 origin;\n varying vec3 vColor;\n\n attribute float size;\n\n attribute float a;\n attribute float e;\n attribute float i;\n attribute float om;\n attribute float wBar;\n attribute float M;\n\n // Perihelion distance\n attribute float q;\n\n // CPU-computed term for parabolic orbits\n attribute float a0;\n\n // COSH Function (Hyperbolic Cosine)\n float cosh(float val) {\n float tmp = exp(val);\n float cosH = (tmp + 1.0 / tmp) / 2.0;\n return cosH;\n }\n\n // TANH Function (Hyperbolic Tangent)\n float tanh(float val) {\n float tmp = exp(val);\n float tanH = (tmp - 1.0 / tmp) / (tmp + 1.0 / tmp);\n return tanH;\n }\n\n // SINH Function (Hyperbolic Sine)\n float sinh(float val) {\n float tmp = exp(val);\n float sinH = (tmp - 1.0 / tmp) / 2.0;\n return sinH;\n }\n\n // Cube root helper that assumes param is positive\n float cbrt(float x) {\n return exp(log(x) / 3.0);\n }\n\n vec3 getPosNearParabolic() {\n // See https://stjarnhimlen.se/comp/ppcomp.html#17\n float b = sqrt(1.0 + a0 * a0);\n float W = cbrt(b + a0) - cbrt(b - a0);\n float f = (1.0 - e) / (1.0 + e);\n\n float a1 = 2.0 / 3.0 + (2.0 / 5.0) * W * W;\n float a2 = 7.0 / 5.0 + (33.0 / 35.0) * W * W + (37.0 / 175.0) * pow(W, 4.0);\n float a3 =\n W * W * (432.0 / 175.0 + (956.0 / 1125.0) * W * W + (84.0 / 1575.0) * pow(W, 4.0));\n\n float C = (W * W) / (1.0 + W * W);\n float g = f * C * C;\n float w = W * (1.0 + f * C * (a1 + a2 * g + a3 * g * g));\n\n // True anomaly\n float v = 2.0 * atan(w);\n // Heliocentric distance\n float r = (q * (1.0 + w * w)) / (1.0 + w * w * f);\n\n // Compute heliocentric coords.\n float i_rad = i;\n float o_rad = om;\n float p_rad = wBar;\n float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n return vec3(X, Y, Z);\n }\n\n vec3 getPosHyperbolic() {\n float F0 = M;\n for (int count = 0; count < 100; count++) {\n float F1 = (M + e * (F0 * cosh(F0) - sinh(F0))) / (e * cosh(F0) - 1.0);\n float lastdiff = abs(F1 - F0);\n F0 = F1;\n\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n float F = F0;\n\n float v = 2.0 * atan(sqrt((e + 1.0) / (e - 1.0))) * tanh(F / 2.0);\n float r = ".concat((0, Scale_1.getScaleFactor)().toFixed(1), " * (a * (1.0 - e * e)) / (1.0 + e * cos(v));\n\n // Compute heliocentric coords.\n float i_rad = i;\n float o_rad = om;\n float p_rad = wBar;\n float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n return vec3(X, Y, Z);\n }\n\n vec3 getPosEllipsoid() {\n float i_rad = i;\n float o_rad = om;\n float p_rad = wBar;\n\n // Estimate eccentric and true anom using iterative approximation (this\n // is normally an intergral).\n float E0 = M;\n float E1 = M + e * sin(E0);\n float lastdiff = abs(E1-E0);\n E0 = E1;\n\n for (int count = 0; count < 100; count++) {\n E1 = M + e * sin(E0);\n lastdiff = abs(E1-E0);\n E0 = E1;\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n\n float E = E0;\n float v = 2.0 * atan(sqrt((1.0+e)/(1.0-e)) * tan(E/2.0));\n\n // Compute radius vector.\n float r = ").concat((0, Scale_1.getScaleFactor)().toFixed(1), " * a * (1.0 - e * e) / (1.0 + e * cos(v));\n\n // Compute heliocentric coords.\n float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n return vec3(X, Y, Z);\n }\n\n vec3 getPos() {\n if (e > 0.9 && e < 1.2) {\n return getPosNearParabolic();\n } else if (e > 1.2) {\n return getPosHyperbolic();\n }\n return getPosEllipsoid();\n }\n\n void main() {\n vColor = fuzzColor;\n\n vec3 newpos = getPos() + origin;\n vec4 mvPosition = modelViewMatrix * vec4(newpos, 1.0);\n gl_Position = projectionMatrix * mvPosition;\n gl_PointSize = size;\n }\n "); + return "\n in vec3 fuzzColor;\n in vec3 origin;\n \n in float visible;\n in float size;\n\n in float a;\n in float e;\n in float i;\n in float om;\n in float wBar;\n in float M;\n\n // Perihelion distance\n in float q;\n\n // CPU-computed term for parabolic orbits\n in float a0;\n\n out vec3 vColor;\n\n // Cube root helper that assumes param is positive\n float cbrt(float x) {\n return exp(log(x) / 3.0);\n }\n\n vec3 getPosNearParabolic() {\n // See https://stjarnhimlen.se/comp/ppcomp.html#17\n float b = sqrt(1.0 + a0 * a0);\n float W = cbrt(b + a0) - cbrt(b - a0);\n float f = (1.0 - e) / (1.0 + e);\n\n float a1 = 2.0 / 3.0 + (2.0 / 5.0) * W * W;\n float a2 = 7.0 / 5.0 + (33.0 / 35.0) * W * W + (37.0 / 175.0) * pow(W, 4.0);\n float a3 =\n W * W * (432.0 / 175.0 + (956.0 / 1125.0) * W * W + (84.0 / 1575.0) * pow(W, 4.0));\n\n float C = (W * W) / (1.0 + W * W);\n float g = f * C * C;\n float w = W * (1.0 + f * C * (a1 + a2 * g + a3 * g * g));\n\n // True anomaly\n float v = 2.0 * atan(w);\n // Heliocentric distance\n float r = (q * (1.0 + w * w)) / (1.0 + w * w * f);\n\n // Compute heliocentric coords.\n float i_rad = i;\n float o_rad = om;\n float p_rad = wBar;\n float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n return vec3(X, Y, Z);\n }\n\n vec3 getPosHyperbolic() {\n float F0 = M;\n for (int count = 0; count < 100; count++) {\n float F1 = (M + e * (F0 * cosh(F0) - sinh(F0))) / (e * cosh(F0) - 1.0);\n float lastdiff = abs(F1 - F0);\n F0 = F1;\n\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n float F = F0;\n\n float v = 2.0 * atan(sqrt((e + 1.0) / (e - 1.0))) * tanh(F / 2.0);\n float r = " + (0, Scale_1.getScaleFactor)().toFixed(1) + " * (a * (1.0 - e * e)) / (1.0 + e * cos(v));\n\n // Compute heliocentric coords.\n float i_rad = i;\n float o_rad = om;\n float p_rad = wBar;\n float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n return vec3(X, Y, Z);\n }\n\n vec3 getPosEllipsoid() {\n float i_rad = i;\n float o_rad = om;\n float p_rad = wBar;\n\n // Estimate eccentric and true anom using iterative approximation (this\n // is normally an intergral).\n float E0 = M;\n float E1 = M + e * sin(E0);\n float lastdiff = abs(E1-E0);\n E0 = E1;\n\n for (int count = 0; count < 100; count++) {\n E1 = M + e * sin(E0);\n lastdiff = abs(E1-E0);\n E0 = E1;\n if (lastdiff < 0.0000001) {\n break;\n }\n }\n\n float E = E0;\n float v = 2.0 * atan(sqrt((1.0+e)/(1.0-e)) * tan(E/2.0));\n\n // Compute radius vector.\n float r = " + (0, Scale_1.getScaleFactor)().toFixed(1) + " * a * (1.0 - e * e) / (1.0 + e * cos(v));\n\n // Compute heliocentric coords.\n float X = r * (cos(o_rad) * cos(v + p_rad - o_rad) - sin(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Y = r * (sin(o_rad) * cos(v + p_rad - o_rad) + cos(o_rad) * sin(v + p_rad - o_rad) * cos(i_rad));\n float Z = r * (sin(v + p_rad - o_rad) * sin(i_rad));\n return vec3(X, Y, Z);\n }\n\n vec3 getPos() {\n if (e > 0.9 && e < 1.2) {\n return getPosNearParabolic();\n } else if (e > 1.2) {\n return getPosHyperbolic();\n }\n return getPosEllipsoid();\n }\n\n void main() {\n vColor = fuzzColor;\n\n vec3 newpos = getPos() + origin;\n vec4 mvPosition = modelViewMatrix * vec4(newpos, 1.0);\n gl_PointSize = visible > 0.5 ? size : 0.0;\n gl_Position = projectionMatrix * mvPosition;\n }\n "; } exports.getOrbitShaderVertex = getOrbitShaderVertex; -exports.STAR_SHADER_FRAGMENT = "\n varying vec3 vColor;\n\n void main() {\n float a = 1.0 - 2.0 * length(gl_PointCoord - vec2(0.5, 0.5));\n gl_FragColor = vec4(vColor, a);\n }\n"; -exports.STAR_SHADER_VERTEX = "\n attribute float size;\n varying vec3 vColor;\n\n void main() {\n vColor = color;\n vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);\n gl_PointSize = size;\n gl_Position = projectionMatrix * mvPosition;\n }\n"; -exports.GENERIC_PARTICLE_SHADER_VERTEX = "\n attribute float size;\n attribute vec3 customColor;\n varying vec3 vColor;\n void main() {\n vColor = customColor;\n vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);\n gl_PointSize = size * (300.0 / -mvPosition.z);\n gl_Position = projectionMatrix * mvPosition;\n }\n"; -exports.GENERIC_PARTICLE_SHADER_FRAGMENT = "\n uniform vec3 color;\n uniform sampler2D texture;\n varying vec3 vColor;\n void main() {\n gl_FragColor = vec4(color * vColor, 1.0);\n gl_FragColor = gl_FragColor * texture2D(texture, gl_PointCoord);\n if (gl_FragColor.a < ALPHATEST) discard;\n }\n"; -exports.ATMOSPHERE_SHADER_VERTEX = "\n uniform vec3 lightPos;\n\n varying vec2 vUv;\n varying vec3 vecPos;\n varying vec3 vecNormal;\n //varying vec3 vNormal;\n\n varying vec3 vViewLightPos;\n\n void main() {\n //vNormal = normalize(normalMatrix * normal);\n //gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\n\n vUv = uv;\n // Since the light is in camera coordinates,\n // I'll need the vertex position in camera coords too\n vecPos = (modelViewMatrix * vec4(position, 1.0)).xyz;\n // That's NOT exacly how you should transform your\n // normals but this will work fine, since my model\n // matrix is pretty basic\n vecNormal = (modelViewMatrix * vec4(normal, 0.0)).xyz;\n vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz;\n gl_Position = projectionMatrix * vec4(vecPos, 1.0);\n }\n"; +exports.STAR_SHADER_FRAGMENT = "\n in vec3 vColor;\n \n void main() {\n float a = 1.0 - 2.0 * length(gl_PointCoord - vec2(0.5, 0.5));\n gl_FragColor = vec4(vColor, a);\n }\n"; +exports.STAR_SHADER_VERTEX = "\n in float size;\n out vec3 vColor;\n\n void main() {\n vColor = color;\n vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);\n gl_PointSize = size;\n gl_Position = projectionMatrix * mvPosition;\n }\n"; +exports.GENERIC_PARTICLE_SHADER_VERTEX = "\n in float size;\n in vec3 customColor;\n \n out vec3 vColor;\n \n void main() {\n vColor = customColor;\n vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);\n gl_PointSize = size * (300.0 / -mvPosition.z);\n gl_Position = projectionMatrix * mvPosition;\n }\n"; +exports.GENERIC_PARTICLE_SHADER_FRAGMENT = "\n uniform vec3 color;\n uniform sampler2D tex;\n \n in vec3 vColor;\n\n void main() {\n gl_FragColor = vec4(color * vColor, 1.0);\n gl_FragColor = gl_FragColor * texture(tex, gl_PointCoord);\n if (gl_FragColor.a < ALPHATEST) discard;\n }\n"; +exports.ATMOSPHERE_SHADER_VERTEX = "\n uniform vec3 lightPos;\n\n out vec2 vUv;\n out vec3 vecPos;\n out vec3 vecNormal;\n //varying vec3 vNormal;\n\n out vec3 vViewLightPos;\n\n void main() {\n //vNormal = normalize(normalMatrix * normal);\n //gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\n\n vUv = uv;\n // Since the light is in camera coordinates,\n // I'll need the vertex position in camera coords too\n vecPos = (modelViewMatrix * vec4(position, 1.0)).xyz;\n // That's NOT exacly how you should transform your\n // normals but this will work fine, since my model\n // matrix is pretty basic\n vecNormal = (modelViewMatrix * vec4(normal, 0.0)).xyz;\n vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz;\n gl_Position = projectionMatrix * vec4(vecPos, 1.0);\n }\n"; // With help from https://stackoverflow.com/questions/43621274/how-to-correctly-set-lighting-for-custom-shader-material -exports.ATMOSPHERE_SHADER_FRAGMENT = "\n uniform float c;\n uniform float p;\n uniform vec3 color;\n\n varying vec2 vUv;\n varying vec3 vecPos;\n varying vec3 vecNormal;\n varying vec3 vViewLightPos;\n\n void main() {\n float intensity = pow(c - dot(vecNormal, vec3(0.0, 0.0, 1.0)), p);\n\n vec4 addedLights = vec4(0.0, 0.0, 0.0, 1.0);\n vec3 lightDirection = normalize(vecPos - vViewLightPos);\n addedLights.rgb += clamp(dot(-lightDirection, vecNormal), 0.0, 1.0)\n * 1.0 /* intensity */;\n // * pointLights[i].color\n\n gl_FragColor = vec4(color, 1.0) * intensity * addedLights;\n }\n"; -exports.SPHERE_SHADER_VERTEX = "\n uniform vec3 lightPos;\n\n varying vec2 vUv;\n varying vec3 vViewPosition;\n varying vec3 vViewLightPos;\n varying vec3 vNormal;\n\n void main() {\n vUv = uv;\n vec4 vViewPosition4 = modelViewMatrix * vec4(position, 1.0);\n vViewPosition = vViewPosition4.xyz;\n vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz;\n vNormal = normalMatrix * normal;\n\n gl_Position = projectionMatrix * vViewPosition4;\n }\n"; -exports.SPHERE_SHADER_FRAGMENT = "\n uniform sampler2D sphereTexture;\n\n varying vec2 vUv;\n varying vec3 vNormal;\n varying vec3 vViewPosition;\n varying vec3 vViewLightPos;\n\n void main() {\n vec3 normal = normalize(vNormal);\n vec3 lightDir = normalize(vViewLightPos - vViewPosition);\n float lambertian = max(dot(normal, lightDir), 0.0);\n gl_FragColor = texture2D(sphereTexture, vUv) * vec4(vec3(1.0) * lambertian, 1.0);\n }\n"; -exports.RING_SHADER_VERTEX = "\n varying vec3 vPos;\n varying vec3 vWorldPosition;\n varying vec3 vNormal;\n\n void main() {\n vPos = position;\n vec4 worldPosition = (modelMatrix * vec4(position, 1.));\n gl_Position = projectionMatrix * viewMatrix * vec4(worldPosition.xyz, 1.);\n\n vNormal = normalMatrix * normal;\n vWorldPosition = worldPosition.xyz;\n }\n"; -exports.RING_SHADER_FRAGMENT = "\n uniform sampler2D ringTexture;\n uniform float innerRadius;\n uniform float outerRadius;\n uniform vec3 lightPos;\n\n varying vec3 vNormal;\n varying vec3 vPos;\n varying vec3 vWorldPosition;\n\n vec4 color() {\n vec2 uv = vec2(0);\n uv.x = (length(vPos) - innerRadius) / (outerRadius - innerRadius);\n if (uv.x < 0.0 || uv.x > 1.0) {\n discard;\n }\n\n vec4 pixel = texture2D(ringTexture, uv);\n return pixel;\n }\n\n vec3 shadow() {\n vec3 lightDir = normalize(vPos - lightPos);\n vec3 planetPos = vec3(0);\n\n vec3 ringPos = vPos - planetPos;\n float posDotLightDir = dot(ringPos, lightDir);\n float posDotLightDir2 = posDotLightDir * posDotLightDir;\n\n // TODO(ian): Generalize this line.\n float radius = 0.0389259903; // radius of saturn in coordinate system\n float radius2 = radius * radius;\n\n if (posDotLightDir > 0.0 && dot(ringPos, ringPos) - posDotLightDir2 < radius2) {\n return vec3(0.0);\n }\n return vec3(1.0);\n }\n\n vec3 lights() {\n vec3 lightDirection = normalize(vWorldPosition - lightPos);\n float c = 0.35 + max(0.0, dot(vNormal, lightDirection)) * 0.4;\n\n return vec3(c);\n }\n\n void main() {\n // NOTE: The order of multiplication matters here. color() may call\n // discard, which would cause problems on some Windows graphics drivers if\n // it is a left operand.\n // https://github.com/typpo/spacekit/issues/22\n gl_FragColor = vec4(lights() * shadow(), 1.0) * color();\n }\n"; +exports.ATMOSPHERE_SHADER_FRAGMENT = "\n uniform float c;\n uniform float p;\n uniform vec3 color;\n\n in vec2 vUv;\n in vec3 vecPos;\n in vec3 vecNormal;\n in vec3 vViewLightPos;\n\n void main() {\n float intensity = pow(c - dot(vecNormal, vec3(0.0, 0.0, 1.0)), p);\n\n vec4 addedLights = vec4(0.0, 0.0, 0.0, 1.0);\n vec3 lightDirection = normalize(vecPos - vViewLightPos);\n addedLights.rgb += clamp(dot(-lightDirection, vecNormal), 0.0, 1.0)\n * 1.0 /* intensity */;\n // * pointLights[i].color\n\n gl_FragColor = vec4(color, 1.0) * intensity * addedLights;\n }\n"; +exports.SPHERE_SHADER_VERTEX = "\n uniform vec3 lightPos;\n\n out vec2 vUv;\n out vec3 vNormal;\n out vec3 vViewPosition;\n out vec3 vViewLightPos;\n\n void main() {\n vUv = uv;\n vec4 vViewPosition4 = modelViewMatrix * vec4(position, 1.0);\n vViewPosition = vViewPosition4.xyz;\n vViewLightPos = (viewMatrix * vec4(lightPos, 1.0)).xyz;\n vNormal = normalMatrix * normal;\n\n gl_Position = projectionMatrix * vViewPosition4;\n }\n"; +exports.SPHERE_SHADER_FRAGMENT = "\n uniform sampler2D sphereTex;\n\n in vec2 vUv;\n in vec3 vNormal;\n in vec3 vViewPosition;\n in vec3 vViewLightPos;\n\n void main() {\n vec3 normal = normalize(vNormal);\n vec3 lightDir = normalize(vViewLightPos - vViewPosition);\n float lambertian = max(dot(normal, lightDir), 0.0);\n gl_FragColor = texture(sphereTex, vUv) * vec4(vec3(1.0) * lambertian, 1.0);\n }\n"; +exports.RING_SHADER_VERTEX = "\n out vec3 vPos;\n out vec3 vWorldPosition;\n out vec3 vNormal;\n\n void main() {\n vPos = position;\n vec4 worldPosition = (modelMatrix * vec4(position, 1.));\n gl_Position = projectionMatrix * viewMatrix * vec4(worldPosition.xyz, 1.);\n\n vNormal = normalMatrix * normal;\n vWorldPosition = worldPosition.xyz;\n }\n"; +exports.RING_SHADER_FRAGMENT = "\n uniform sampler2D ringTex;\n uniform float innerRadius;\n uniform float outerRadius;\n uniform vec3 lightPos;\n\n in vec3 vNormal;\n in vec3 vPos;\n in vec3 vWorldPosition;\n\n vec4 color() {\n vec2 uv = vec2(0);\n uv.x = (length(vPos) - innerRadius) / (outerRadius - innerRadius);\n if (uv.x < 0.0 || uv.x > 1.0) {\n discard;\n }\n\n vec4 pixel = texture(ringTex, uv);\n return pixel;\n }\n\n vec3 shadow() {\n vec3 lightDir = normalize(vPos - lightPos);\n vec3 planetPos = vec3(0);\n\n vec3 ringPos = vPos - planetPos;\n float posDotLightDir = dot(ringPos, lightDir);\n float posDotLightDir2 = posDotLightDir * posDotLightDir;\n\n // TODO(ian): Generalize this line.\n float radius = 0.0389259903; // radius of saturn in coordinate system\n float radius2 = radius * radius;\n\n if (posDotLightDir > 0.0 && dot(ringPos, ringPos) - posDotLightDir2 < radius2) {\n return vec3(0.0);\n }\n return vec3(1.0);\n }\n\n vec3 lights() {\n vec3 lightDirection = normalize(vWorldPosition - lightPos);\n float c = 0.35 + max(0.0, dot(vNormal, lightDirection)) * 0.4;\n\n return vec3(c);\n }\n\n void main() {\n // NOTE: The order of multiplication matters here. color() may call\n // discard, which would cause problems on some Windows graphics drivers if\n // it is a left operand.\n // https://github.com/typpo/spacekit/issues/22\n gl_FragColor = vec4(lights() * shadow(), 1.0) * color();\n }\n"; diff --git a/build/typescript/util.js b/build/typescript/util.js index 2538c37..699aa8c 100644 --- a/build/typescript/util.js +++ b/build/typescript/util.js @@ -1,11 +1,7 @@ "use strict"; var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { if (k2 === undefined) k2 = k; - var desc = Object.getOwnPropertyDescriptor(m, k); - if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) { - desc = { enumerable: true, get: function() { return m[k]; } }; - } - Object.defineProperty(o, k2, desc); + Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } }); }) : (function(o, m, k, k2) { if (k2 === undefined) k2 = k; o[k2] = m[k]; @@ -44,8 +40,8 @@ exports.DEFAULT_TEXTURE_URL = '{{assets}}/sprites/fuzzyparticle.png'; */ function getFullUrl(template, basePath) { return template - .replace('{{assets}}', "".concat(basePath, "/assets")) - .replace('{{data}}', "".concat(basePath, "/data")); + .replace('{{assets}}', basePath + "/assets") + .replace('{{data}}', basePath + "/data"); } exports.getFullUrl = getFullUrl; /** @@ -69,7 +65,9 @@ exports.getFullTextureUrl = getFullTextureUrl; */ function getThreeJsTexture(template, basePath) { var fullTextureUrl = getFullTextureUrl(template, basePath); - return new THREE.TextureLoader().load(fullTextureUrl); + var texture = new THREE.TextureLoader().load(fullTextureUrl); + texture.colorSpace = THREE.SRGBColorSpace; + return texture; } exports.getThreeJsTexture = getThreeJsTexture; function getDefaultBasePath() { diff --git a/docs/classes/Simulation.html b/docs/classes/Simulation.html index a0acbbd..6498953 100644 --- a/docs/classes/Simulation.html +++ b/docs/classes/Simulation.html @@ -432,7 +432,7 @@

Private renderEnabled

Private renderer

-
renderer: WebGL1Renderer
+
renderer: WebGLRenderer
-

Returns WebGL1Renderer

+

Returns WebGLRenderer

diff --git a/docs/interfaces/SimulationContext.html b/docs/interfaces/SimulationContext.html index 90e7a40..072667f 100644 --- a/docs/interfaces/SimulationContext.html +++ b/docs/interfaces/SimulationContext.html @@ -115,7 +115,7 @@
width:

objects

-
objects: { camera: default; composer?: any; particles: KeplerParticles; renderer: WebGL1Renderer; scene: Scene }
+
objects: { camera: default; composer?: any; particles: KeplerParticles; renderer: WebGLRenderer; scene: Scene }